* [PATCH v2 0/3] Improve virtio-blk performance
From: Asias He @ 2012-06-18 6:53 UTC (permalink / raw)
To: kvm, linux-kernel, virtualization
This patchset implements bio-based IO path for virito-blk to improve
performance.
Fio test shows it gives, 28%, 24%, 21%, 16% IOPS boost and 32%, 17%, 21%, 16%
latency improvement for sequential read/write, random read/write respectively.
Asias He (3):
block: Introduce __blk_segment_map_sg() helper
block: Add blk_bio_map_sg() helper
virtio-blk: Add bio-based IO path for virtio-blk
block/blk-merge.c | 117 +++++++++++++++++--------
drivers/block/virtio_blk.c | 203 +++++++++++++++++++++++++++++++++++---------
include/linux/blkdev.h | 2 +
3 files changed, 247 insertions(+), 75 deletions(-)
--
1.7.10.2
^ permalink raw reply
* CFP: The 13th IEEE/ACM Int. Symp. on Cluster, Cloud and Grid Computing (CCGrid) 2013
From: Ioan Raicu @ 2012-06-16 13:31 UTC (permalink / raw)
To: virtualization
[-- Attachment #1.1: Type: text/plain, Size: 7199 bytes --]
**** CALL FOR PAPERS ****
The 13th IEEE/ACM International Symposium on
Cluster, Cloud and Grid Computing
(CCGrid 2013)
Delft University of Technology, Delft, the Netherlands
May 13-16, 2013
http://www.pds.ewi.tudelft.nl/ccgrid2013
Rapid advances in architectures, networks, and systems and middleware technologies
are leading to new concepts in and platforms for computing, ranging from Clusters and
Grids to Clouds and Datacenters. CCGrid is a series of very successful conferences,
sponsored by the IEEE Computer Society Technical Committee on Scalable Computing (TCSC)
and the ACM, with the overarching goal of bringing together international researchers,
developers, and users to provide an international forum to present leading research
activities and results on a broad range of topics related to these concepts and platforms,
and their applications. The conference features keynotes, technical presentations,
workshops, tutorials, and posters, as well as the SCALE challenge featuring live demonstrations.
In 2013, CCGrid will come to the Netherlands for the first time, and will be held in Delft,
a historical, picturesque city that is less than one hour away from Amsterdam-Schiphol airport.
The main conference will be held on May 14-16 (Tuesday to Thursday), with tutorials and
affiliated workshops taking place on May 13 (Monday).
**** IMPORTANT DATES ****
Papers Due: 12 November 2012
Author Notifications: 24 January 2013
Final Papers Due: 22 February 2013
**** TOPICS OF INTEREST ****
CCGrid 2013 will have a focus on important and immediate issues that are significantly
influencing all aspects of cluster, cloud and grid computing. Topics of interest include,
but are not limited to:
* Applications and Experiences: Applications to real and complex problems in science,
engineering, business, and society; User studies; Experiences with large-scale deployments,
systems, or applications
* Architecture: System architectures, design and deployment; Power and cooling; Security
and reliability; High availability solutions
* Autonomic Computing and Cyberinfrastructure: Self-managed behavior, models and technologies;
Autonomic paradigms and systems (control-based, bio-inspired, emergent, etc.); Bio-inspired
optimizations and computing
* Cloud Computing: Cloud architectures; Software tools and techniques for clouds
* Multicore and Accelerator-based Computing: Software and application techniques to utilize
multicore architectures and accelerators in clusters, grids, and clouds
* Performance Modeling and Evaluation: Performance prediction and modeling; Monitoring and
evaluation tools; Analysis of system and application performance; Benchmarks and testbeds
* Programming Models, Systems, and Fault-Tolerant Computing: Programming models and
environments for cluster, cloud, and grid computing; Fault-tolerant systems, programs and
algorithms; Systems software to support efficient computing
* Scheduling and Resource Management: Techniques to schedule jobs and resources on cluster,
cloud, and grid computing platforms; SLA definition and enforcement
**** PAPER SUBMISSION GUIDELINES ****
Authors are invited to submit papers electronically in PDF format. Submitted manuscripts
should be structured as technical papers and may not exceed 8 letter-size (8.5 x 11) pages
including figures, tables and references using the IEEE format for conference proceedings.
Submissions not conforming to these guidelines may be returned without review. Authors
should make sure that their file will print on a printer that uses letter-size (8.5 x 11)
paper. The official language of the conference is English. All manuscripts will be reviewed
and will be judged on correctness, originality, technical strength, significance, quality of
presentation, and interest and relevance to the conference attendees.
Submitted papers must represent original unpublished research that is not currently under
review for any other conference or journal. Papers not following these guidelines will be
rejected without review and further action may be taken, including (but not limited to)
notifications sent to the heads of the institutions of the authors and sponsors of the
conference. Submissions received after the due date, exceeding the page limit, or not
appropriately structured may not be considered. Authors may contact the conference chairs
for more information. The proceedings will be published through the IEEE Computer Society
Press, USA, and will be made available online through the IEEE Digital Library.
**** CALL FOR TUTORIAL AND WORKSHOP PROPOSALS ****
Tutorials and workshops affiliated with CCGrid 2013 will be held on May 13 (Monday). For
more information on the tutorials and workshops and for the complete Call for Tutorial and
Workshop Proposals, please see the conference website.
**** GENERAL CHAIR ****
Dick Epema, Delft University of Technology, the Netherlands
**** PROGRAM CHAIR ****
Thomas Fahringer, University of Innsbruck, Austria
**** PROGRAM VICE-CHAIRS ****
Rosa Badia, Barcelona Supercomputing Center, Spain
Henri Bal, Vrije Universiteit, the Netherlands
Marios Dikaiakos, University of Cyprus, Cyprus
Kirk Cameron, VirginiaTech, USA
Daniel Katz, University of Chicago & Argonne Nat Lab, USA
Kate Keahey, Argonne National Laboratory, USA
Martin Schulz, Lawrence Livermore National Laboratory, USA
Douglas Thain, University of Notre Dame, USA
Cheng-Zhong Xu, Shenzhen Inst. of Advanced Techn, China
**** WORKSHOPS CHAIR ****
Shantenu Jha, Rutgers and Louisana State University, USA
**** DOCTORAL SYMPOSIUM CHAIRS ****
Yogesh Simmhan, University of Southern California, USA
Ana Varbanescu, Delft Univ of Technology, the Netherlands
**** SUBMISSIONS AND PROCEEDINGS CHAIR ****
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**** FINANCE AND REGISTRATION CHAIR ****
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**** PUBLICITY CHAIRS ****
Nazareno Andrade, University Federal de Campina Grance, Brazil
Gabriel Antoniu, INRIA, France
Bahman Javadi, University of Western Sysney, Australia
Ioan Raicu, Illinois Institute of Technology and Argonne National Laboratory, USA
**** CYBER CHAIR ****
Stephen van der Laan, Delft University of Technology, the Netherlands
--
=================================================================
Ioan Raicu, Ph.D.
Assistant Professor, Illinois Institute of Technology (IIT)
Guest Research Faculty, Argonne National Laboratory (ANL)
=================================================================
Data-Intensive Distributed Systems Laboratory, CS/IIT
Distributed Systems Laboratory, MCS/ANL
=================================================================
Cel: 1-847-722-0876
Office: 1-312-567-5704
Email: iraicu@cs.iit.edu
Web: http://www.cs.iit.edu/~iraicu/
Web: http://datasys.cs.iit.edu/
=================================================================
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_______________________________________________
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^ permalink raw reply
* Re: drivers/block/cpqarray.c:938:2: error: too many arguments to function 慴lk_rq_map_sg�
From: Junio C Hamano @ 2012-06-14 17:26 UTC (permalink / raw)
To: Fengguang Wu
Cc: Jens Axboe, linux-raid, git@vger.kernel.org, linux-scsi,
virtualization
In-Reply-To: <20120614092519.GA12482@localhost>
Fengguang Wu <wfg@linux.intel.com> writes:
> If we can somehow tag the whole branch, it would be most convenient.
> Git can add description to a branch with
>
> git branch --edit-description [branch name]
>
> However I don't know how to retrieve that description on a remote
> branch..
The branch description is designed to be a place you leave your
temporary note locally outside the history, until you are ready to
set the contents of the branch in more permanent storage (e.g. by
merging it to an integration branch, or sending pull requests for
it) at which time the information is consumed (e.g. inserted in the
merge commit message or pull request message). The history exchange
via "git push" / "git fetch" is by definition about exchanging the
history, and will not transfer branch descriptions.
For shared and more permanent notes, "git notes" may be more
suitable vehicle.
^ permalink raw reply
* Re: [PATCH RFC V8 0/17] Paravirtualized ticket spinlocks
From: Raghavendra K T @ 2012-06-14 12:21 UTC (permalink / raw)
To: Avi Kivity
Cc: Jeremy Fitzhardinge, Greg Kroah-Hartman, KVM, linux-doc,
Srivatsa Vaddagiri, Andi Kleen, H. Peter Anvin, Ingo Molnar,
Stefano Stabellini, Xen Devel, X86, Ingo Molnar, Peter Zijlstra,
Nikunj A. Dadhania, Konrad Rzeszutek Wilk, Thomas Gleixner,
Virtualization, LKML, Attilio Rao, Andrew Morton, Linus Torvalds,
Stephan Diestelhorst
In-Reply-To: <4FC603D4.20107@linux.vnet.ibm.com>
On 05/30/2012 04:56 PM, Raghavendra K T wrote:
> On 05/16/2012 08:49 AM, Raghavendra K T wrote:
>> On 05/14/2012 12:15 AM, Raghavendra K T wrote:
>>> On 05/07/2012 08:22 PM, Avi Kivity wrote:
>>>
>>> I could not come with pv-flush results (also Nikunj had clarified that
>>> the result was on NOn PLE
>>>
>>>> I'd like to see those numbers, then.
>>>>
>>>> Ingo, please hold on the kvm-specific patches, meanwhile.
> [...]
>> To summarise,
>> with 32 vcpu guest with nr thread=32 we get around 27% improvement. In
>> very low/undercommitted systems we may see very small improvement or
>> small acceptable degradation ( which it deserves).
>>
>
> For large guests, current value SPIN_THRESHOLD, along with ple_window
> needed some of research/experiment.
>
> [Thanks to Jeremy/Nikunj for inputs and help in result analysis ]
>
> I started with debugfs spinlock/histograms, and ran experiments with 32,
> 64 vcpu guests for spin threshold of 2k, 4k, 8k, 16k, and 32k with
> 1vm/2vm/4vm for kernbench, sysbench, ebizzy, hackbench.
> [ spinlock/histogram gives logarithmic view of lockwait times ]
>
> machine: PLE machine with 32 cores.
>
> Here is the result summary.
> The summary includes 2 part,
> (1) %improvement w.r.t 2K spin threshold,
> (2) improvement w.r.t sum of histogram numbers in debugfs (that gives
> rough indication of contention/cpu time wasted)
>
> For e.g 98% for 4k threshold kbench 1 vm would imply, there is a 98%
> reduction in sigma(histogram values) compared to 2k case
>
> Result for 32 vcpu guest
> ==========================
> +----------------+-----------+-----------+-----------+-----------+
> | Base-2k | 4k | 8k | 16k | 32k |
> +----------------+-----------+-----------+-----------+-----------+
> | kbench-1vm | 44 | 50 | 46 | 41 |
> | SPINHisto-1vm | 98 | 99 | 99 | 99 |
> | kbench-2vm | 25 | 45 | 49 | 45 |
> | SPINHisto-2vm | 31 | 91 | 99 | 99 |
> | kbench-4vm | -13 | -27 | -2 | -4 |
> | SPINHisto-4vm | 29 | 66 | 95 | 99 |
> +----------------+-----------+-----------+-----------+-----------+
> | ebizzy-1vm | 954 | 942 | 913 | 915 |
> | SPINHisto-1vm | 96 | 99 | 99 | 99 |
> | ebizzy-2vm | 158 | 135 | 123 | 106 |
> | SPINHisto-2vm | 90 | 98 | 99 | 99 |
> | ebizzy-4vm | -13 | -28 | -33 | -37 |
> | SPINHisto-4vm | 83 | 98 | 99 | 99 |
> +----------------+-----------+-----------+-----------+-----------+
> | hbench-1vm | 48 | 56 | 52 | 64 |
> | SPINHisto-1vm | 92 | 95 | 99 | 99 |
> | hbench-2vm | 32 | 40 | 39 | 21 |
> | SPINHisto-2vm | 74 | 96 | 99 | 99 |
> | hbench-4vm | 27 | 15 | 3 | -57 |
> | SPINHisto-4vm | 68 | 88 | 94 | 97 |
> +----------------+-----------+-----------+-----------+-----------+
> | sysbnch-1vm | 0 | 0 | 1 | 0 |
> | SPINHisto-1vm | 76 | 98 | 99 | 99 |
> | sysbnch-2vm | -1 | 3 | -1 | -4 |
> | SPINHisto-2vm | 82 | 94 | 96 | 99 |
> | sysbnch-4vm | 0 | -2 | -8 | -14 |
> | SPINHisto-4vm | 57 | 79 | 88 | 95 |
> +----------------+-----------+-----------+-----------+-----------+
>
> result for 64 vcpu guest
> =========================
> +----------------+-----------+-----------+-----------+-----------+
> | Base-2k | 4k | 8k | 16k | 32k |
> +----------------+-----------+-----------+-----------+-----------+
> | kbench-1vm | 1 | -11 | -25 | 31 |
> | SPINHisto-1vm | 3 | 10 | 47 | 99 |
> | kbench-2vm | 15 | -9 | -66 | -15 |
> | SPINHisto-2vm | 2 | 11 | 19 | 90 |
> +----------------+-----------+-----------+-----------+-----------+
> | ebizzy-1vm | 784 | 1097 | 978 | 930 |
> | SPINHisto-1vm | 74 | 97 | 98 | 99 |
> | ebizzy-2vm | 43 | 48 | 56 | 32 |
> | SPINHisto-2vm | 58 | 93 | 97 | 98 |
> +----------------+-----------+-----------+-----------+-----------+
> | hbench-1vm | 8 | 55 | 56 | 62 |
> | SPINHisto-1vm | 18 | 69 | 96 | 99 |
> | hbench-2vm | 13 | -14 | -75 | -29 |
> | SPINHisto-2vm | 57 | 74 | 80 | 97 |
> +----------------+-----------+-----------+-----------+-----------+
> | sysbnch-1vm | 9 | 11 | 15 | 10 |
> | SPINHisto-1vm | 80 | 93 | 98 | 99 |
> | sysbnch-2vm | 3 | 3 | 4 | 2 |
> | SPINHisto-2vm | 72 | 89 | 94 | 97 |
> +----------------+-----------+-----------+-----------+-----------+
>
> From this, value around 4k-8k threshold seem to be optimal one. [ This
> is amost inline with ple_window default ]
> (lower the spin threshold, we would cover lesser % of spinlocks, that
> would result in more halt_exit/wakeups.
>
> [ www.xen.org/files/xensummitboston08/LHP.pdf also has good graphical
> detail on covering spinlock waits ]
>
> After 8k threshold, we see no more contention but that would mean we
> have wasted lot of cpu time in busy waits.
>
> Will get a PLE machine again, and 'll continue experimenting with
> further tuning of SPIN_THRESHOLD.
Sorry for delayed response. Was doing too much of analysis and
experiments.
Continued my experiment, with spin threshold. unfortunately could
not settle between which one of 4k/8k threshold is better, since it
depends on load and type of workload.
Here is the result for 32 vcpu guest for sysbench and kernebench for 4
8GB RAM vms on same PLE machine with:
1x: benchmark running on 1 guest
2x: same benchmark running on 2 guest and so on
1x run is taken over 8*3 run averages
2x run was taken with 4*3 runs
3x run was with 6*3
4x run was with 4*3
kernbench
=========
total job=2* number of vcpus
kernbench -f -H -M -o $total_job
+------------+------------+-----------+---------------+---------+
| base | pv_4k | %impr | pv_8k | %impr |
+------------+------------+-----------+---------------+---------+
| 49.98 | 49.147475 | 1.69393 | 50.575567 | -1.17758|
| 106.0051 | 96.668325 | 9.65857 | 91.62165 | 15.6987 |
| 189.82067 | 181.839 | 4.38942 | 188.8595 | 0.508934|
+------------+------------+-----------+---------------+---------+
sysbench
===========
Ran with num_thread=2* number of vcpus
sysbench --num-threads=$num_thread --max-requests=100000 --test=oltp
--oltp-table-size=500000 --db-driver=pgsql --oltp-read-only run
32 vcpu
-------
+------------+------------+-----------+---------------+---------+
| base | pv_4k | %impr | pv_8k | %impr |
+------------+------------+-----------+---------------+---------+
| 16.4109 | 12.109988 | 35.5154 | 12.658113 | 29.6473 |
| 14.232712 | 13.640387 | 4.34244 | 14.16485 | 0.479087|
| 23.49685 | 23.196375 | 1.29535 | 19.024871 | 23.506 |
+------------+------------+-----------+---------------+---------+
and observations are:
1) 8k threshold does better for medium overcommit. But PLE has more
control rather than pv spinlock.
2) 4k does well for no overcommit and high overcommit cases. and also,
for non PLE machine this helps rather than 8k. in medium overcommit
cases, we see less performance benefits due to increase in halt exits
I 'll continue my analysis.
Also I have come-up with directed yield patch where we do directed
yield in vcpu block path, instead of blind schedule. will do some more
experiment with that and post as an RFC.
Let me know if you have any comments/suggestions.
^ permalink raw reply
* Re: drivers/block/cpqarray.c:938:2: error: too many arguments to function lk_rq_map_sg
From: Tomas Carnecky @ 2012-06-14 11:52 UTC (permalink / raw)
To: Fengguang Wu, Jens Axboe
Cc: linux-raid, git@vger.kernel.org, LKML, linux-scsi, virtualization
In-Reply-To: <20120614113142.GA13954@localhost>
On Thu, 14 Jun 2012 19:31:42 +0800, Fengguang Wu <wfg@linux.intel.com> wrote:
> On Thu, Jun 14, 2012 at 12:45:38PM +0200, Jens Axboe wrote:
> > On 06/14/2012 12:02 PM, Fengguang Wu wrote:
> > > OK, I'll add a grep for "Dont-Auto-Build". If it's found in *any*
> > > commit of the branch, the build script will skip the whole branch.
> > > Does this make sense to you?
> >
> > Yeah that'll work for me. A description or tag might be more elegant,
> > but this is easier...
>
> Great, let's settle with the in-commit tag "Dont-Auto-Build" for now :)
>
> "git branch --edit-description" could potentially be the most elegant
> solution, unfortunately for now there seems no way for me to retrieve
> the branch description edited by you..
>
> Another alternative, git tag, has the problem that it goes out of sync
> every time you do rebase, which will sure happen a lot for early RFC
> patches.
Commit notes or a special namespace for branches (refs/heads/wip/...) would
also be an option.
tom
^ permalink raw reply
* Re: [vmw_vmci RFC 00/11] VMCI for Linux
From: Dor Laor @ 2012-06-14 11:52 UTC (permalink / raw)
To: Greg KH
Cc: Andy King, Dmitry Torokhov, linux-kernel, virtualization,
dsouders, Andrew Stiegmann (stieg), akpm, cschamp
In-Reply-To: <20120606050652.GB14065@kroah.com>
On 06/06/2012 08:06 AM, Greg KH wrote:
> On Tue, Jun 05, 2012 at 12:02:51AM -0700, Dmitry Torokhov wrote:
>> Hi Greg,
>>
>> On Mon, Jun 04, 2012 at 03:57:57PM -0700, Greg KH wrote:
>>> On Fri, Jun 01, 2012 at 08:33:02AM -0700, Andy King wrote:
>>>> Greg,
>>>>
>>>> Thanks so much for the comments and apologies for the delayed response.
>>>>
>>>>> Don't we have something like this already for KVM and maybe Xen?
>>>>> virtio? Can't you use that code instead of a new block of code that
>>>>> is only used by vmware users? It has virtual pci devices which
>>>>> should give you what you want/need here, right?
>>>>>
>>>>> If not, why doesn't that work for you? Would it be easier to just
>>>>> extend it?
>>>>
>>>> The VMCI virtual device for which this driver is intended has been
>>>> around a lot longer than this submission might suggest. The virtual
>>>> hardware was released in a product before Rusty sent his RFC and
>>>> quite a bit before it made it to mainline; there was, regrettably,
>>>> no virtio then.
>>>>
>>>> As such, it was designed to be its own transport, and it's something
>>>> that is now very much fixed at the hardware level (enhancements
>>>> not withstanding), and which we have to support all the way back.
>>>
>>> What "hardware" are you refering to here?
>>
>> The virtual hardware that is currently shipping and has been shipping
>> for a few years.
>>
>>>
>>>> In addition to that, our hypervisor endpoints are written using
>>>> the existing device backend; virtio doesn't currently make a lot of
>>>> sense for them, and would require a lot of additional work.
>>>>
>>>> All of this is unfortunate. While I agree that virtio is certainly
>>>> the right approach, and we need to avoid this proliferation, I think
>>>> at this point we'd really like to try and upstream this in its current
>>>> form. There's certainly the possibility going forwards that we could
>>>> add a glue layer, such that other clients could use virtio if they're
>>>> willing to write their own hypervisor endpoints.
>>>>
>>>> Does that sound reasonable?
>>>
>>> Not really, why should we take an interface that is tied to something
>>> that you are saying isn't something we should be using?
>>
>> That is not what Andy said. If virtio was available when we started
>> shipping VMCI then we certainly could have used that, but since it
>> wasn't there we invented something else.
>
> Ok, that makes sense.
>
>>> Don't you also
>>> have control over the hypervisor side of things in order to properly
>>> design this type of thing?
>>
>> We do not have a time machine to go back and change products that we
>> already shipped to the customers. It is probably the same story as with
>> Hyper-V's vmbus which is not virtio.
>>
>> Besides, virtio is not available on non-Linux guests with we have to
>> support as well, and than affected the design decisions in hypervisor
>> layer that have been made several years ago.
Indeed there is no time machine and I definitely agree you won't be able
to port VMCI to virtio-serial w/o major breakage for existing users.
Nevertheless, as I wrote on my previous feedback [1], you can make the
VMCI socket generic in a way that virtio-serial users would be able to
enjoy. This way VMW users will get out of the box experience w/o any
change while KVM users will get socket abstraction layer which carry
some benefit over the virtio-serial ports.
Dor
[1] https://lkml.org/lkml/2012/5/16/126
>
> Ok, thanks for clearing that up, I was confused here.
>
> greg k-h
> _______________________________________________
> Virtualization mailing list
> Virtualization@lists.linux-foundation.org
> https://lists.linuxfoundation.org/mailman/listinfo/virtualization
^ permalink raw reply
* Re: drivers/block/cpqarray.c:938:2: error: too many arguments to function lk_rq_map_sg
From: Fengguang Wu @ 2012-06-14 11:31 UTC (permalink / raw)
To: Jens Axboe
Cc: linux-raid, git@vger.kernel.org, LKML, linux-scsi, virtualization
In-Reply-To: <4FD9C0D2.20500@kernel.dk>
On Thu, Jun 14, 2012 at 12:45:38PM +0200, Jens Axboe wrote:
> On 06/14/2012 12:02 PM, Fengguang Wu wrote:
> > On Thu, Jun 14, 2012 at 11:05:33AM +0200, Jens Axboe wrote:
> >> On 06/14/2012 11:01 AM, Fengguang Wu wrote:
> >>> Hi Jens,
> >>>
> >>> On Thu, Jun 14, 2012 at 08:30:11AM +0200, Jens Axboe wrote:
> >>>> On 06/14/2012 01:03 AM, wfg@linux.intel.com wrote:
> >>>>> FYI, kernel build failed on
> >>>>>
> >>>>> tree: git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git multiqueue
> >>>>> head: e9a6aa8a0b7b93195774a9fcf551632bf3abcd97
> >>>>> commit: 67db7275fa4325d46853a4bfcb79acf32e48eca8 [1/3] multiqueue: a hodge podge of things
> >>>>
> >>>> The multiqueue branch is a private branch, it's known broken on many
> >>>> configs at the moment.
> >>>
> >>> OK. Sorry my script just blindly build tests every new/updated branches
> >>> in the tree. It does try to reduce noise level by remembering all warned
> >>> error messages. However if it still presents a problem to the private
> >>> branches, I can either explicitly blacklist "multiqueue", or let the
> >>> script automatically skip commits whose "^Signed-off-by:" is still missing.
> >>
> >> It's not a problem that you're building various branches, as long as you
> >> are expecting a bit of noise :-). In fact I applaud your effort on
> >> expanding the scope of building others branches.
> >>
> >> But it does raise the question of how do we best signal intermediate
> >> branches like this, so they can be avoided until they are ready. The
> >> blacklist doesn't seem like a great choice, since then I have to
> >> remember to remind you when it _is_ ok to build it.
> >>
> >> How about some arbitrary tag? Instead of checking a Signed-off-by, I
> >> could just add a Dont-Auto-Build or something like that. What do you
> >> think?
> >
> > OK, I'll add a grep for "Dont-Auto-Build". If it's found in *any*
> > commit of the branch, the build script will skip the whole branch.
> > Does this make sense to you?
>
> Yeah that'll work for me. A description or tag might be more elegant,
> but this is easier...
Great, let's settle with the in-commit tag "Dont-Auto-Build" for now :)
"git branch --edit-description" could potentially be the most elegant
solution, unfortunately for now there seems no way for me to retrieve
the branch description edited by you..
Another alternative, git tag, has the problem that it goes out of sync
every time you do rebase, which will sure happen a lot for early RFC
patches.
Thanks,
Fengguang
^ permalink raw reply
* Re: drivers/block/cpqarray.c:938:2: error: too many arguments to function lk_rq_map_sg
From: Jens Axboe @ 2012-06-14 10:45 UTC (permalink / raw)
To: Fengguang Wu; +Cc: linux-raid, LKML, linux-scsi, virtualization
In-Reply-To: <20120614100205.GA13217@localhost>
On 06/14/2012 12:02 PM, Fengguang Wu wrote:
> On Thu, Jun 14, 2012 at 11:05:33AM +0200, Jens Axboe wrote:
>> On 06/14/2012 11:01 AM, Fengguang Wu wrote:
>>> Hi Jens,
>>>
>>> On Thu, Jun 14, 2012 at 08:30:11AM +0200, Jens Axboe wrote:
>>>> On 06/14/2012 01:03 AM, wfg@linux.intel.com wrote:
>>>>> FYI, kernel build failed on
>>>>>
>>>>> tree: git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git multiqueue
>>>>> head: e9a6aa8a0b7b93195774a9fcf551632bf3abcd97
>>>>> commit: 67db7275fa4325d46853a4bfcb79acf32e48eca8 [1/3] multiqueue: a hodge podge of things
>>>>
>>>> The multiqueue branch is a private branch, it's known broken on many
>>>> configs at the moment.
>>>
>>> OK. Sorry my script just blindly build tests every new/updated branches
>>> in the tree. It does try to reduce noise level by remembering all warned
>>> error messages. However if it still presents a problem to the private
>>> branches, I can either explicitly blacklist "multiqueue", or let the
>>> script automatically skip commits whose "^Signed-off-by:" is still missing.
>>
>> It's not a problem that you're building various branches, as long as you
>> are expecting a bit of noise :-). In fact I applaud your effort on
>> expanding the scope of building others branches.
>>
>> But it does raise the question of how do we best signal intermediate
>> branches like this, so they can be avoided until they are ready. The
>> blacklist doesn't seem like a great choice, since then I have to
>> remember to remind you when it _is_ ok to build it.
>>
>> How about some arbitrary tag? Instead of checking a Signed-off-by, I
>> could just add a Dont-Auto-Build or something like that. What do you
>> think?
>
> OK, I'll add a grep for "Dont-Auto-Build". If it's found in *any*
> commit of the branch, the build script will skip the whole branch.
> Does this make sense to you?
Yeah that'll work for me. A description or tag might be more elegant,
but this is easier...
--
Jens Axboe
^ permalink raw reply
* Re: drivers/block/cpqarray.c:938:2: error: too many arguments to function lk_rq_map_sg
From: Fengguang Wu @ 2012-06-14 10:02 UTC (permalink / raw)
To: Jens Axboe; +Cc: linux-raid, LKML, linux-scsi, virtualization
In-Reply-To: <4FD9A95D.40903@kernel.dk>
On Thu, Jun 14, 2012 at 11:05:33AM +0200, Jens Axboe wrote:
> On 06/14/2012 11:01 AM, Fengguang Wu wrote:
> > Hi Jens,
> >
> > On Thu, Jun 14, 2012 at 08:30:11AM +0200, Jens Axboe wrote:
> >> On 06/14/2012 01:03 AM, wfg@linux.intel.com wrote:
> >>> FYI, kernel build failed on
> >>>
> >>> tree: git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git multiqueue
> >>> head: e9a6aa8a0b7b93195774a9fcf551632bf3abcd97
> >>> commit: 67db7275fa4325d46853a4bfcb79acf32e48eca8 [1/3] multiqueue: a hodge podge of things
> >>
> >> The multiqueue branch is a private branch, it's known broken on many
> >> configs at the moment.
> >
> > OK. Sorry my script just blindly build tests every new/updated branches
> > in the tree. It does try to reduce noise level by remembering all warned
> > error messages. However if it still presents a problem to the private
> > branches, I can either explicitly blacklist "multiqueue", or let the
> > script automatically skip commits whose "^Signed-off-by:" is still missing.
>
> It's not a problem that you're building various branches, as long as you
> are expecting a bit of noise :-). In fact I applaud your effort on
> expanding the scope of building others branches.
>
> But it does raise the question of how do we best signal intermediate
> branches like this, so they can be avoided until they are ready. The
> blacklist doesn't seem like a great choice, since then I have to
> remember to remind you when it _is_ ok to build it.
>
> How about some arbitrary tag? Instead of checking a Signed-off-by, I
> could just add a Dont-Auto-Build or something like that. What do you
> think?
OK, I'll add a grep for "Dont-Auto-Build". If it's found in *any*
commit of the branch, the build script will skip the whole branch.
Does this make sense to you?
Thanks,
Fengguang
^ permalink raw reply
* Re: drivers/block/cpqarray.c:938:2: error: too many arguments to function 慴lk_rq_map_sg�
From: Fengguang Wu @ 2012-06-14 9:25 UTC (permalink / raw)
To: Jens Axboe; +Cc: linux-raid, git@vger.kernel.org, linux-scsi, virtualization
In-Reply-To: <4FD9A95D.40903@kernel.dk>
On Thu, Jun 14, 2012 at 11:05:33AM +0200, Jens Axboe wrote:
> On 06/14/2012 11:01 AM, Fengguang Wu wrote:
> > Hi Jens,
> >
> > On Thu, Jun 14, 2012 at 08:30:11AM +0200, Jens Axboe wrote:
> >> On 06/14/2012 01:03 AM, wfg@linux.intel.com wrote:
> >>> FYI, kernel build failed on
> >>>
> >>> tree: git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git multiqueue
> >>> head: e9a6aa8a0b7b93195774a9fcf551632bf3abcd97
> >>> commit: 67db7275fa4325d46853a4bfcb79acf32e48eca8 [1/3] multiqueue: a hodge podge of things
> >>
> >> The multiqueue branch is a private branch, it's known broken on many
> >> configs at the moment.
> >
> > OK. Sorry my script just blindly build tests every new/updated branches
> > in the tree. It does try to reduce noise level by remembering all warned
> > error messages. However if it still presents a problem to the private
> > branches, I can either explicitly blacklist "multiqueue", or let the
> > script automatically skip commits whose "^Signed-off-by:" is still missing.
>
> It's not a problem that you're building various branches, as long as you
> are expecting a bit of noise :-). In fact I applaud your effort on
> expanding the scope of building others branches.
Thank you :-)
> But it does raise the question of how do we best signal intermediate
> branches like this, so they can be avoided until they are ready. The
> blacklist doesn't seem like a great choice, since then I have to
> remember to remind you when it _is_ ok to build it.
>
> How about some arbitrary tag? Instead of checking a Signed-off-by, I
> could just add a Dont-Auto-Build or something like that. What do you
> think?
Anything convenient to you would be fine.
If we can somehow tag the whole branch, it would be most convenient.
Git can add description to a branch with
git branch --edit-description [branch name]
However I don't know how to retrieve that description on a remote
branch..
Thanks,
Fengguang
^ permalink raw reply
* Re: drivers/block/cpqarray.c:938:2: error: too many arguments to function 慴lk_rq_map_sg�
From: Jens Axboe @ 2012-06-14 9:05 UTC (permalink / raw)
To: Fengguang Wu; +Cc: linux-raid, linux-scsi, virtualization
In-Reply-To: <20120614090151.GA12013@localhost>
On 06/14/2012 11:01 AM, Fengguang Wu wrote:
> Hi Jens,
>
> On Thu, Jun 14, 2012 at 08:30:11AM +0200, Jens Axboe wrote:
>> On 06/14/2012 01:03 AM, wfg@linux.intel.com wrote:
>>> FYI, kernel build failed on
>>>
>>> tree: git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git multiqueue
>>> head: e9a6aa8a0b7b93195774a9fcf551632bf3abcd97
>>> commit: 67db7275fa4325d46853a4bfcb79acf32e48eca8 [1/3] multiqueue: a hodge podge of things
>>
>> The multiqueue branch is a private branch, it's known broken on many
>> configs at the moment.
>
> OK. Sorry my script just blindly build tests every new/updated branches
> in the tree. It does try to reduce noise level by remembering all warned
> error messages. However if it still presents a problem to the private
> branches, I can either explicitly blacklist "multiqueue", or let the
> script automatically skip commits whose "^Signed-off-by:" is still missing.
It's not a problem that you're building various branches, as long as you
are expecting a bit of noise :-). In fact I applaud your effort on
expanding the scope of building others branches.
But it does raise the question of how do we best signal intermediate
branches like this, so they can be avoided until they are ready. The
blacklist doesn't seem like a great choice, since then I have to
remember to remind you when it _is_ ok to build it.
How about some arbitrary tag? Instead of checking a Signed-off-by, I
could just add a Dont-Auto-Build or something like that. What do you
think?
--
Jens Axboe
^ permalink raw reply
* Re: drivers/block/cpqarray.c:938:2: error: too many arguments to function 慴lk_rq_map_sg�
From: Fengguang Wu @ 2012-06-14 9:01 UTC (permalink / raw)
To: Jens Axboe; +Cc: linux-raid, linux-scsi, virtualization
In-Reply-To: <4FD984F3.3070502@kernel.dk>
Hi Jens,
On Thu, Jun 14, 2012 at 08:30:11AM +0200, Jens Axboe wrote:
> On 06/14/2012 01:03 AM, wfg@linux.intel.com wrote:
> > FYI, kernel build failed on
> >
> > tree: git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git multiqueue
> > head: e9a6aa8a0b7b93195774a9fcf551632bf3abcd97
> > commit: 67db7275fa4325d46853a4bfcb79acf32e48eca8 [1/3] multiqueue: a hodge podge of things
>
> The multiqueue branch is a private branch, it's known broken on many
> configs at the moment.
OK. Sorry my script just blindly build tests every new/updated branches
in the tree. It does try to reduce noise level by remembering all warned
error messages. However if it still presents a problem to the private
branches, I can either explicitly blacklist "multiqueue", or let the
script automatically skip commits whose "^Signed-off-by:" is still missing.
Thanks,
Fengguang
^ permalink raw reply
* Re: [PATCH RFC 1/2] block: Add blk_bio_map_sg() helper
From: Asias He @ 2012-06-14 8:19 UTC (permalink / raw)
To: Jens Axboe
Cc: kvm, linux-kernel, virtualization, Tejun Heo, Shaohua Li,
Christoph Hellwig
In-Reply-To: <4FD992F7.5050800@kernel.dk>
On 06/14/2012 03:29 PM, Jens Axboe wrote:
> On 2012-06-14 04:31, Tejun Heo wrote:
>> On Wed, Jun 13, 2012 at 03:41:46PM +0800, Asias He wrote:
>>> Add a helper to map a bio to a scatterlist, modelled after
>>> blk_rq_map_sg.
>>>
>>> This helper is useful for any driver that wants to create
>>> a scatterlist from its ->make_request_fn method.
>>
>> This may not be possible but I really wanna avoid having two copies of
>> that complex logic. Any chance blk_rq_map_bio() can be implemented in
>> a way that allows blk_rq_map_sg() can be built on top of it? Also,
>
> Was thinking the same thing, definitely code we don't want to have
> duplicated. We've had mapping bugs in the past.
>
> Asias, this should be trivial to do, except that blk_rq_map_sg()
> potentially maps across bio's as well. The tracking of the prev bio_vec
> does not care about cross bio boundaries.
Sure. I will try this and send v2.
--
Asias
^ permalink raw reply
* Re: [PATCH RFC 1/2] block: Add blk_bio_map_sg() helper
From: Jens Axboe @ 2012-06-14 7:29 UTC (permalink / raw)
To: Tejun Heo
Cc: kvm, linux-kernel, virtualization, Shaohua Li, Christoph Hellwig
In-Reply-To: <20120614023156.GB3766@dhcp-172-17-108-109.mtv.corp.google.com>
On 2012-06-14 04:31, Tejun Heo wrote:
> On Wed, Jun 13, 2012 at 03:41:46PM +0800, Asias He wrote:
>> Add a helper to map a bio to a scatterlist, modelled after
>> blk_rq_map_sg.
>>
>> This helper is useful for any driver that wants to create
>> a scatterlist from its ->make_request_fn method.
>
> This may not be possible but I really wanna avoid having two copies of
> that complex logic. Any chance blk_rq_map_bio() can be implemented in
> a way that allows blk_rq_map_sg() can be built on top of it? Also,
Was thinking the same thing, definitely code we don't want to have
duplicated. We've had mapping bugs in the past.
Asias, this should be trivial to do, except that blk_rq_map_sg()
potentially maps across bio's as well. The tracking of the prev bio_vec
does not care about cross bio boundaries.
--
Jens Axboe
^ permalink raw reply
* Re: drivers/block/cpqarray.c:938:2: error: too many arguments to function ‘blk_rq_map_sg’
From: Jens Axboe @ 2012-06-14 6:30 UTC (permalink / raw)
To: wfg; +Cc: linux-raid, linux-scsi, virtualization
In-Reply-To: <4fd91c3f.KAwMcygw9fFGn9Cx%wfg@linux.intel.com>
On 06/14/2012 01:03 AM, wfg@linux.intel.com wrote:
> FYI, kernel build failed on
>
> tree: git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git multiqueue
> head: e9a6aa8a0b7b93195774a9fcf551632bf3abcd97
> commit: 67db7275fa4325d46853a4bfcb79acf32e48eca8 [1/3] multiqueue: a hodge podge of things
The multiqueue branch is a private branch, it's known broken on many
configs at the moment.
--
Jens Axboe
^ permalink raw reply
* Re: [PATCH RFC 1/2] block: Add blk_bio_map_sg() helper
From: Asias He @ 2012-06-14 2:57 UTC (permalink / raw)
To: Tejun Heo
Cc: Jens Axboe, kvm, linux-kernel, virtualization, Shaohua Li,
Christoph Hellwig
In-Reply-To: <20120614023156.GB3766@dhcp-172-17-108-109.mtv.corp.google.com>
On 06/14/2012 10:31 AM, Tejun Heo wrote:
> On Wed, Jun 13, 2012 at 03:41:46PM +0800, Asias He wrote:
>> Add a helper to map a bio to a scatterlist, modelled after
>> blk_rq_map_sg.
>>
>> This helper is useful for any driver that wants to create
>> a scatterlist from its ->make_request_fn method.
>
> This may not be possible but I really wanna avoid having two copies of
> that complex logic. Any chance blk_rq_map_bio() can be implemented in
> a way that allows blk_rq_map_sg() can be built on top of it? Also,
> please include proper docbook style function comment on new public API
> functions.
OK. Will do. I guess you mean building blk_rq_map_sg() on top of
blk_bio_map_sg().
--
Asias
^ permalink raw reply
* Re: [PATCH RFC 1/2] block: Add blk_bio_map_sg() helper
From: Tejun Heo @ 2012-06-14 2:31 UTC (permalink / raw)
To: Asias He
Cc: Jens Axboe, kvm, linux-kernel, virtualization, Shaohua Li,
Christoph Hellwig
In-Reply-To: <1339573307-11537-2-git-send-email-asias@redhat.com>
On Wed, Jun 13, 2012 at 03:41:46PM +0800, Asias He wrote:
> Add a helper to map a bio to a scatterlist, modelled after
> blk_rq_map_sg.
>
> This helper is useful for any driver that wants to create
> a scatterlist from its ->make_request_fn method.
This may not be possible but I really wanna avoid having two copies of
that complex logic. Any chance blk_rq_map_bio() can be implemented in
a way that allows blk_rq_map_sg() can be built on top of it? Also,
please include proper docbook style function comment on new public API
functions.
Thanks.
--
tejun
^ permalink raw reply
* drivers/block/xen-blkfront.c:317:11: error: too many arguments to function ‘blk_rq_map_sg’
From: wfg @ 2012-06-13 23:03 UTC (permalink / raw)
To: Jens Axboe; +Cc: linux-raid, linux-scsi, virtualization
[-- Attachment #1: Type: text/plain, Size: 9542 bytes --]
FYI, kernel build failed on
tree: git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git multiqueue
head: e9a6aa8a0b7b93195774a9fcf551632bf3abcd97
commit: 67db7275fa4325d46853a4bfcb79acf32e48eca8 [1/3] multiqueue: a hodge podge of things
config: x86_64-allyesdebian (attached as .config)
All related error/warning messages are:
block/blk-core.c: In function ‘attempt_plug_merge’:
block/blk-core.c:1253:9: error: ‘struct request’ has no member named ‘q’
drivers/block/cpqarray.c:938:2: warning: passing argument 1 of ‘blk_rq_map_sg’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:845:12: note: expected ‘struct request *’ but argument is of type ‘struct request_queue *’
drivers/block/cpqarray.c:938:2: warning: passing argument 2 of ‘blk_rq_map_sg’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:845:12: note: expected ‘struct scatterlist *’ but argument is of type ‘struct request *’
drivers/block/cpqarray.c:938:2: error: too many arguments to function ‘blk_rq_map_sg’
include/linux/blkdev.h:845:12: note: declared here
drivers/block/cciss.c:3339:2: warning: passing argument 1 of ‘blk_rq_map_sg’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:845:12: note: expected ‘struct request *’ but argument is of type ‘struct request_queue *’
drivers/block/cciss.c:3339:2: warning: passing argument 2 of ‘blk_rq_map_sg’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:845:12: note: expected ‘struct scatterlist *’ but argument is of type ‘struct request *’
drivers/block/cciss.c:3339:2: error: too many arguments to function ‘blk_rq_map_sg’
include/linux/blkdev.h:845:12: note: declared here
drivers/block/DAC960.c:3355:5: warning: passing argument 1 of ‘blk_rq_map_sg’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:845:12: note: expected ‘struct request *’ but argument is of type ‘struct request_queue *’
drivers/block/DAC960.c:3355:5: warning: passing argument 2 of ‘blk_rq_map_sg’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:845:12: note: expected ‘struct scatterlist *’ but argument is of type ‘struct request *’
drivers/block/DAC960.c:3355:5: error: too many arguments to function ‘blk_rq_map_sg’
include/linux/blkdev.h:845:12: note: declared here
drivers/block/DAC960.c:3433:3: warning: passing argument 1 of ‘blk_rq_map_sg’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:845:12: note: expected ‘struct request *’ but argument is of type ‘struct request_queue *’
drivers/block/DAC960.c:3433:3: warning: passing argument 2 of ‘blk_rq_map_sg’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:845:12: note: expected ‘struct scatterlist *’ but argument is of type ‘struct request *’
drivers/block/DAC960.c:3433:3: error: too many arguments to function ‘blk_rq_map_sg’
include/linux/blkdev.h:845:12: note: declared here
drivers/block/sx8.c:873:2: warning: passing argument 1 of ‘blk_rq_map_sg’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:845:12: note: expected ‘struct request *’ but argument is of type ‘struct request_queue *’
drivers/block/sx8.c:873:2: warning: passing argument 2 of ‘blk_rq_map_sg’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:845:12: note: expected ‘struct scatterlist *’ but argument is of type ‘struct request *’
drivers/block/sx8.c:873:2: error: too many arguments to function ‘blk_rq_map_sg’
include/linux/blkdev.h:845:12: note: declared here
drivers/block/xen-blkfront.c:317:11: warning: passing argument 2 of ‘blk_rq_map_sg’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:845:12: note: expected ‘struct scatterlist *’ but argument is of type ‘struct request *’
drivers/block/xen-blkfront.c:317:11: error: too many arguments to function ‘blk_rq_map_sg’
include/linux/blkdev.h:845:12: note: declared here
drivers/ide/ide-io.c:229:2: warning: passing argument 1 of ‘blk_rq_map_sg’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:845:12: note: expected ‘struct request *’ but argument is of type ‘struct request_queue *’
drivers/ide/ide-io.c:229:2: warning: passing argument 2 of ‘blk_rq_map_sg’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:845:12: note: expected ‘struct scatterlist *’ but argument is of type ‘struct request *’
drivers/ide/ide-io.c:229:2: error: too many arguments to function ‘blk_rq_map_sg’
include/linux/blkdev.h:845:12: note: declared here
include/linux/blkdev.h:794:30: note: declared here
include/linux/elevator.h:115:13: note: expected ‘struct request *’ but argument is of type ‘struct request_queue *’
include/linux/elevator.h:115:13: note: expected ‘int’ but argument is of type ‘struct request *’
include/linux/elevator.h:115:13: note: declared here
include/linux/elevator.h:115:13: note: expected ‘struct request *’ but argument is of type ‘struct request_queue *’
include/linux/elevator.h:115:13: note: expected ‘int’ but argument is of type ‘struct request *’
include/linux/elevator.h:115:13: note: declared here
drivers/mmc/card/queue.c:391:3: warning: passing argument 1 of ‘blk_rq_map_sg’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:845:12: note: expected ‘struct request *’ but argument is of type ‘struct request_queue *’
drivers/mmc/card/queue.c:391:3: warning: passing argument 2 of ‘blk_rq_map_sg’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:845:12: note: expected ‘struct scatterlist *’ but argument is of type ‘struct request *’
drivers/mmc/card/queue.c:391:3: error: too many arguments to function ‘blk_rq_map_sg’
include/linux/blkdev.h:845:12: note: declared here
drivers/mmc/card/queue.c:395:2: warning: passing argument 1 of ‘blk_rq_map_sg’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:845:12: note: expected ‘struct request *’ but argument is of type ‘struct request_queue *’
drivers/mmc/card/queue.c:395:2: warning: passing argument 2 of ‘blk_rq_map_sg’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:845:12: note: expected ‘struct scatterlist *’ but argument is of type ‘struct request *’
drivers/mmc/card/queue.c:395:2: error: too many arguments to function ‘blk_rq_map_sg’
include/linux/blkdev.h:845:12: note: declared here
drivers/memstick/core/mspro_block.c:711:13: warning: passing argument 2 of ‘blk_rq_map_sg’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:845:12: note: expected ‘struct scatterlist *’ but argument is of type ‘struct request *’
drivers/memstick/core/mspro_block.c:711:13: error: too many arguments to function ‘blk_rq_map_sg’
include/linux/blkdev.h:845:12: note: declared here
drivers/message/i2o/i2o_block.c:324:2: warning: passing argument 2 of ‘blk_rq_map_sg’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:845:12: note: expected ‘struct scatterlist *’ but argument is of type ‘struct request *’
drivers/message/i2o/i2o_block.c:324:2: error: too many arguments to function ‘blk_rq_map_sg’
include/linux/blkdev.h:845:12: note: declared here
include/linux/blkdev.h:645:13: note: declared here
include/linux/blkdev.h:645:13: note: declared here
include/linux/blkdev.h:645:13: note: declared here
include/linux/blkdev.h:645:13: note: declared here
include/linux/blkdev.h:645:13: note: declared here
include/linux/blkdev.h:645:13: note: expected ‘struct request *’ but argument is of type ‘struct request_queue *’
include/linux/blkdev.h:645:13: note: declared here
drivers/scsi/scsi_transport_fc.c: In function ‘fc_bsg_map_buffer’:
drivers/scsi/scsi_transport_fc.c:3674:2: warning: passing argument 1 of ‘blk_rq_map_sg’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:845:12: note: expected ‘struct request *’ but argument is of type ‘struct request_queue *’
drivers/scsi/scsi_transport_fc.c:3674:2: warning: passing argument 2 of ‘blk_rq_map_sg’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:845:12: note: expected ‘struct scatterlist *’ but argument is of type ‘struct request *’
drivers/scsi/scsi_transport_fc.c:3674:2: error: too many arguments to function ‘blk_rq_map_sg’
include/linux/blkdev.h:845:12: note: declared here
drivers/scsi/scsi_transport_fc.c: In function ‘fc_bsg_remove’:
drivers/scsi/scsi_transport_fc.c:4145:14: error: ‘struct request_queue’ has no member named ‘rq’
drivers/scsi/scsi_transport_fc.c:4145:31: error: ‘struct request_queue’ has no member named ‘rq’
drivers/scsi/scsi_transport_fc.c:4146:6: error: ‘struct request_queue’ has no member named ‘rq’
drivers/scsi/scsi_transport_fc.c:4146:25: error: ‘struct request_queue’ has no member named ‘rq’
include/linux/blkdev.h:645:13: note: declared here
include/linux/blkdev.h:645:13: note: declared here
---
0-DAY kernel build testing backend Open Source Technology Centre
Fengguang Wu <wfg@linux.intel.com> Intel Corporation
[-- Attachment #2: 0001-multiqueue-a-hodge-podge-of-things.patch --]
[-- Type: text/x-diff, Size: 128104 bytes --]
From 67db7275fa4325d46853a4bfcb79acf32e48eca8 Mon Sep 17 00:00:00 2001
From: Jens Axboe <axboe@kernel.dk>
Date: Fri, 20 Apr 2012 09:08:11 +0200
Subject: [PATCH] multiqueue: a hodge podge of things
Not really interesting yet, this just gets us to the state where
single queue boots on a current kernel.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
block/Kconfig | 5 +
block/Kconfig.iosched | 2 +
block/blk-core.c | 427 ++++++++++++++++++--------------------
block/blk-exec.c | 14 +-
block/blk-flush.c | 13 +-
block/blk-map.c | 2 +-
block/blk-merge.c | 61 +++---
block/blk-settings.c | 1 -
block/blk-softirq.c | 10 +-
block/blk-sysfs.c | 18 +-
block/blk-tag.c | 2 +-
block/blk-timeout.c | 45 ++--
block/blk.h | 22 +-
block/bsg-lib.c | 8 +-
block/elevator.c | 290 ++++++++++++++++----------
block/noop-iosched.c | 78 +++++--
drivers/block/nbd.c | 3 +-
drivers/block/virtio_blk.c | 2 +-
drivers/md/dm.c | 11 +-
drivers/scsi/scsi_error.c | 5 +-
drivers/scsi/scsi_lib.c | 11 +-
drivers/scsi/scsi_transport_fc.c | 3 +-
include/linux/blk-mq.h | 97 +++++++++
include/linux/blkdev.h | 44 +---
include/linux/elevator.h | 58 +++---
include/scsi/scsi_device.h | 1 +
26 files changed, 715 insertions(+), 518 deletions(-)
create mode 100644 include/linux/blk-mq.h
diff --git a/block/Kconfig b/block/Kconfig
index 09acf1b..7f6ca35 100644
--- a/block/Kconfig
+++ b/block/Kconfig
@@ -17,18 +17,23 @@ menuconfig BLOCK
Also, SCSI character devices and USB storage will be disabled since
they make use of various block layer definitions and facilities.
Say Y here unless you know you really don't want to mount disks and
suchlike.
if BLOCK
+config MQ
+ bool "Multiqueue support"
+ help
+ Help catch build/code dependencies
+
config LBDAF
bool "Support for large (2TB+) block devices and files"
depends on !64BIT
default y
help
Enable block devices or files of size 2TB and larger.
This option is required to support the full capacity of large
(2TB+) block devices, including RAID, disk, Network Block Device,
diff --git a/block/Kconfig.iosched b/block/Kconfig.iosched
index 3199b76..283945f 100644
--- a/block/Kconfig.iosched
+++ b/block/Kconfig.iosched
@@ -8,29 +8,31 @@ config IOSCHED_NOOP
---help---
The no-op I/O scheduler is a minimal scheduler that does basic merging
and sorting. Its main uses include non-disk based block devices like
memory devices, and specialised software or hardware environments
that do their own scheduling and require only minimal assistance from
the kernel.
config IOSCHED_DEADLINE
tristate "Deadline I/O scheduler"
+ depends on BLK_MQ=n
default y
---help---
The deadline I/O scheduler is simple and compact. It will provide
CSCAN service with FIFO expiration of requests, switching to
a new point in the service tree and doing a batch of IO from there
in case of expiry.
config IOSCHED_CFQ
tristate "CFQ I/O scheduler"
# If BLK_CGROUP is a module, CFQ has to be built as module.
depends on (BLK_CGROUP=m && m) || !BLK_CGROUP || BLK_CGROUP=y
+ depends on BLK_MQ=n
default y
---help---
The CFQ I/O scheduler tries to distribute bandwidth equally
among all processes in the system. It should provide a fair
and low latency working environment, suitable for both desktop
and server systems.
This is the default I/O scheduler.
diff --git a/block/blk-core.c b/block/blk-core.c
index 1f61b74..e136698 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -121,26 +121,26 @@ struct backing_dev_info *blk_get_backing_dev_info(struct block_device *bdev)
struct backing_dev_info *ret = NULL;
struct request_queue *q = bdev_get_queue(bdev);
if (q)
ret = &q->backing_dev_info;
return ret;
}
EXPORT_SYMBOL(blk_get_backing_dev_info);
-void blk_rq_init(struct request_queue *q, struct request *rq)
+void blk_rq_init(struct blk_queue_ctx *ctx, struct request *rq)
{
memset(rq, 0, sizeof(*rq));
INIT_LIST_HEAD(&rq->queuelist);
INIT_LIST_HEAD(&rq->timeout_list);
rq->cpu = -1;
- rq->q = q;
+ rq->queue_ctx = ctx;
rq->__sector = (sector_t) -1;
INIT_HLIST_NODE(&rq->hash);
RB_CLEAR_NODE(&rq->rb_node);
rq->cmd = rq->__cmd;
rq->cmd_len = BLK_MAX_CDB;
rq->tag = -1;
rq->ref_count = 1;
rq->start_time = jiffies;
set_start_time_ns(rq);
@@ -294,18 +294,20 @@ EXPORT_SYMBOL(blk_sync_queue);
* __blk_run_queue - run a single device queue
* @q: The queue to run
*
* Description:
* See @blk_run_queue. This variant must be called with the queue lock
* held and interrupts disabled.
*/
void __blk_run_queue(struct request_queue *q)
{
+ lockdep_assert_held(q->queue_lock);
+
if (unlikely(blk_queue_stopped(q)))
return;
q->request_fn(q);
}
EXPORT_SYMBOL(__blk_run_queue);
/**
* blk_run_queue_async - run a single device queue in workqueue context
@@ -372,30 +374,30 @@ void blk_drain_queue(struct request_queue *q, bool drain_all)
/*
* This function might be called on a queue which failed
* driver init after queue creation. Some drivers
* (e.g. fd) get unhappy in such cases. Kick queue iff
* dispatch queue has something on it.
*/
if (!list_empty(&q->queue_head))
__blk_run_queue(q);
- drain |= q->rq.elvpriv;
+ drain |= queue_elvpriv(q);
/*
* Unfortunately, requests are queued at and tracked from
* multiple places and there's no single counter which can
* be drained. Check all the queues and counters.
*/
if (drain_all) {
drain |= !list_empty(&q->queue_head);
for (i = 0; i < 2; i++) {
- drain |= q->rq.count[i];
- drain |= q->in_flight[i];
+ drain |= queue_rq_queued(q);
+ drain |= queue_in_flight(q);
drain |= !list_empty(&q->flush_queue[i]);
}
}
spin_unlock_irq(q->queue_lock);
if (!drain)
break;
msleep(10);
@@ -439,56 +441,78 @@ void blk_cleanup_queue(struct request_queue *q)
/* @q won't process any more request, flush async actions */
del_timer_sync(&q->backing_dev_info.laptop_mode_wb_timer);
blk_sync_queue(q);
/* @q is and will stay empty, shutdown and put */
blk_put_queue(q);
}
EXPORT_SYMBOL(blk_cleanup_queue);
-static int blk_init_free_list(struct request_queue *q)
+static int blk_init_queue_ctx(struct request_queue *q, unsigned int nr_queues)
{
- struct request_list *rl = &q->rq;
+ struct blk_queue_ctx *ctx;
+ unsigned int i;
- if (unlikely(rl->rq_pool))
- return 0;
+ q->nr_queues = nr_queues;
+ queue_for_each_ctx(q, ctx, i) {
+ struct request_list *rl = &ctx->rl;
- rl->count[BLK_RW_SYNC] = rl->count[BLK_RW_ASYNC] = 0;
- rl->starved[BLK_RW_SYNC] = rl->starved[BLK_RW_ASYNC] = 0;
- rl->elvpriv = 0;
- init_waitqueue_head(&rl->wait[BLK_RW_SYNC]);
- init_waitqueue_head(&rl->wait[BLK_RW_ASYNC]);
+ memset(ctx, 0, sizeof(*ctx));
+ spin_lock_init(&ctx->lock);
+ ctx->queue = q;
+ init_waitqueue_head(&rl->wait[BLK_RW_SYNC]);
+ init_waitqueue_head(&rl->wait[BLK_RW_ASYNC]);
+ INIT_LIST_HEAD(&ctx->timeout_list);
+ }
- rl->rq_pool = mempool_create_node(BLKDEV_MIN_RQ, mempool_alloc_slab,
- mempool_free_slab, request_cachep, q->node);
+ return 0;
+}
+
+static int blk_init_free_list(struct request_queue *q)
+{
+ if (unlikely(q->rq_pool))
+ return 0;
- if (!rl->rq_pool)
+ q->rq_pool = mempool_create_node(BLKDEV_MIN_RQ, mempool_alloc_slab,
+ mempool_free_slab, request_cachep, q->node);
+ if (!q->rq_pool)
return -ENOMEM;
return 0;
}
struct request_queue *blk_alloc_queue(gfp_t gfp_mask)
{
- return blk_alloc_queue_node(gfp_mask, -1);
+ return blk_alloc_queue_node(gfp_mask, -1, 1);
}
EXPORT_SYMBOL(blk_alloc_queue);
-struct request_queue *blk_alloc_queue_node(gfp_t gfp_mask, int node_id)
+
+struct request_queue *blk_alloc_queue_node(gfp_t gfp_mask, int node_id,
+ unsigned int nr_queues)
{
struct request_queue *q;
int err;
q = kmem_cache_alloc_node(blk_requestq_cachep,
gfp_mask | __GFP_ZERO, node_id);
if (!q)
return NULL;
+ q->queue_ctx = kmalloc_node(nr_queues * sizeof(struct blk_queue_ctx),
+ GFP_KERNEL, node_id);
+ if (!q->queue_ctx) {
+ kmem_cache_free(blk_requestq_cachep, q);
+ return NULL;
+ }
+
+ blk_init_queue_ctx(q, nr_queues);
+
q->id = ida_simple_get(&blk_queue_ida, 0, 0, gfp_mask);
if (q->id < 0)
goto fail_q;
q->backing_dev_info.ra_pages =
(VM_MAX_READAHEAD * 1024) / PAGE_CACHE_SIZE;
q->backing_dev_info.state = 0;
q->backing_dev_info.capabilities = BDI_CAP_MAP_COPY;
q->backing_dev_info.name = "block";
@@ -498,19 +522,18 @@ struct request_queue *blk_alloc_queue_node(gfp_t gfp_mask, int node_id)
if (err)
goto fail_id;
if (blk_throtl_init(q))
goto fail_id;
setup_timer(&q->backing_dev_info.laptop_mode_wb_timer,
laptop_mode_timer_fn, (unsigned long) q);
setup_timer(&q->timeout, blk_rq_timed_out_timer, (unsigned long) q);
- INIT_LIST_HEAD(&q->timeout_list);
INIT_LIST_HEAD(&q->icq_list);
INIT_LIST_HEAD(&q->flush_queue[0]);
INIT_LIST_HEAD(&q->flush_queue[1]);
INIT_LIST_HEAD(&q->flush_data_in_flight);
INIT_DELAYED_WORK(&q->delay_work, blk_delay_work);
kobject_init(&q->kobj, &blk_queue_ktype);
mutex_init(&q->sysfs_lock);
@@ -521,18 +544,19 @@ struct request_queue *blk_alloc_queue_node(gfp_t gfp_mask, int node_id)
* override it later if need be.
*/
q->queue_lock = &q->__queue_lock;
return q;
fail_id:
ida_simple_remove(&blk_queue_ida, q->id);
fail_q:
+ kfree(q->queue_ctx);
kmem_cache_free(blk_requestq_cachep, q);
return NULL;
}
EXPORT_SYMBOL(blk_alloc_queue_node);
/**
* blk_init_queue - prepare a request queue for use with a block device
* @rfn: The function to be called to process requests that have been
* placed on the queue.
@@ -561,28 +585,36 @@ EXPORT_SYMBOL(blk_alloc_queue_node);
* it didn't succeed.
*
* Note:
* blk_init_queue() must be paired with a blk_cleanup_queue() call
* when the block device is deactivated (such as at module unload).
**/
struct request_queue *blk_init_queue(request_fn_proc *rfn, spinlock_t *lock)
{
- return blk_init_queue_node(rfn, lock, -1);
+ return blk_init_queue_node(rfn, lock, -1, 1);
}
EXPORT_SYMBOL(blk_init_queue);
+struct request_queue *blk_init_queue_mq(request_fn_proc *rfn, spinlock_t *lock,
+ unsigned int nr_queues)
+{
+ return blk_init_queue_node(rfn, lock, -1, nr_queues);
+}
+EXPORT_SYMBOL(blk_init_queue_mq);
+
struct request_queue *
-blk_init_queue_node(request_fn_proc *rfn, spinlock_t *lock, int node_id)
+blk_init_queue_node(request_fn_proc *rfn, spinlock_t *lock, int node_id,
+ unsigned int nr_queues)
{
struct request_queue *uninit_q, *q;
- uninit_q = blk_alloc_queue_node(GFP_KERNEL, node_id);
+ uninit_q = blk_alloc_queue_node(GFP_KERNEL, node_id, nr_queues);
if (!uninit_q)
return NULL;
q = blk_init_allocated_queue(uninit_q, rfn, lock);
if (!q)
blk_cleanup_queue(uninit_q);
return q;
}
@@ -631,122 +663,94 @@ bool blk_get_queue(struct request_queue *q)
if (likely(!blk_queue_dead(q))) {
__blk_get_queue(q);
return true;
}
return false;
}
EXPORT_SYMBOL(blk_get_queue);
-static inline void blk_free_request(struct request_queue *q, struct request *rq)
+static inline void blk_free_request(struct blk_queue_ctx *ctx,
+ struct request *rq)
{
+ struct request_queue *q = ctx->queue;
+
if (rq->cmd_flags & REQ_ELVPRIV) {
- elv_put_request(q, rq);
+ elv_put_request(ctx, rq);
if (rq->elv.icq)
put_io_context(rq->elv.icq->ioc);
}
- mempool_free(rq, q->rq.rq_pool);
+ mempool_free(rq, q->rq_pool);
}
static struct request *
-blk_alloc_request(struct request_queue *q, struct io_cq *icq,
+blk_alloc_request(struct blk_queue_ctx *ctx, struct io_cq *icq,
unsigned int flags, gfp_t gfp_mask)
{
- struct request *rq = mempool_alloc(q->rq.rq_pool, gfp_mask);
+ struct request_queue *q = ctx->queue;
+ struct request *rq;
+ rq = mempool_alloc(q->rq_pool, gfp_mask);
if (!rq)
return NULL;
- blk_rq_init(q, rq);
+ blk_rq_init(ctx, rq);
rq->cmd_flags = flags | REQ_ALLOCED;
if (flags & REQ_ELVPRIV) {
rq->elv.icq = icq;
- if (unlikely(elv_set_request(q, rq, gfp_mask))) {
- mempool_free(rq, q->rq.rq_pool);
+ if (unlikely(elv_set_request(ctx, rq, gfp_mask))) {
+ mempool_free(rq, q->rq_pool);
return NULL;
}
/* @rq->elv.icq holds on to io_context until @rq is freed */
if (icq)
get_io_context(icq->ioc);
}
return rq;
}
-/*
- * ioc_batching returns true if the ioc is a valid batching request and
- * should be given priority access to a request.
- */
-static inline int ioc_batching(struct request_queue *q, struct io_context *ioc)
+static void __freed_request(struct blk_queue_ctx *ctx, int sync)
{
- if (!ioc)
- return 0;
-
- /*
- * Make sure the process is able to allocate at least 1 request
- * even if the batch times out, otherwise we could theoretically
- * lose wakeups.
- */
- return ioc->nr_batch_requests == q->nr_batching ||
- (ioc->nr_batch_requests > 0
- && time_before(jiffies, ioc->last_waited + BLK_BATCH_TIME));
-}
-
-/*
- * ioc_set_batching sets ioc to be a new "batcher" if it is not one. This
- * will cause the process to be a "batcher" on all queues in the system. This
- * is the behaviour we want though - once it gets a wakeup it should be given
- * a nice run.
- */
-static void ioc_set_batching(struct request_queue *q, struct io_context *ioc)
-{
- if (!ioc || ioc_batching(q, ioc))
- return;
-
- ioc->nr_batch_requests = q->nr_batching;
- ioc->last_waited = jiffies;
-}
-
-static void __freed_request(struct request_queue *q, int sync)
-{
- struct request_list *rl = &q->rq;
+ struct request_queue *q = ctx->queue;
+ struct request_list *rl = &ctx->rl;
if (rl->count[sync] < queue_congestion_off_threshold(q))
blk_clear_queue_congested(q, sync);
if (rl->count[sync] + 1 <= q->nr_requests) {
if (waitqueue_active(&rl->wait[sync]))
wake_up(&rl->wait[sync]);
blk_clear_queue_full(q, sync);
}
}
/*
* A request has just been released. Account for it, update the full and
- * congestion status, wake up any waiters. Called under q->queue_lock.
+ * congestion status, wake up any waiters. Called under ctx->lock.
*/
-static void freed_request(struct request_queue *q, unsigned int flags)
+static void freed_request(struct blk_queue_ctx *ctx, unsigned int flags)
{
- struct request_list *rl = &q->rq;
+ struct request_list *rl = &ctx->rl;
int sync = rw_is_sync(flags);
rl->count[sync]--;
if (flags & REQ_ELVPRIV)
rl->elvpriv--;
- __freed_request(q, sync);
+ __freed_request(ctx, sync);
if (unlikely(rl->starved[sync ^ 1]))
- __freed_request(q, sync ^ 1);
+ __freed_request(ctx, sync ^ 1);
}
/*
* Determine if elevator data should be initialized when allocating the
* request associated with @bio.
*/
static bool blk_rq_should_init_elevator(struct bio *bio)
{
if (!bio)
@@ -766,82 +770,49 @@ static bool blk_rq_should_init_elevator(struct bio *bio)
* get_request - get a free request
* @q: request_queue to allocate request from
* @rw_flags: RW and SYNC flags
* @bio: bio to allocate request for (can be %NULL)
* @gfp_mask: allocation mask
*
* Get a free request from @q. This function may fail under memory
* pressure or if @q is dead.
*
- * Must be callled with @q->queue_lock held and,
- * Returns %NULL on failure, with @q->queue_lock held.
- * Returns !%NULL on success, with @q->queue_lock *not held*.
+ * Must be callled with @ctx->lock held.
*/
-static struct request *get_request(struct request_queue *q, int rw_flags,
+static struct request *get_request(struct blk_queue_ctx *ctx, int rw_flags,
struct bio *bio, gfp_t gfp_mask)
{
+ struct request_queue *q = ctx->queue;
+ struct request_list *rl = &ctx->rl;
struct request *rq = NULL;
- struct request_list *rl = &q->rq;
struct elevator_type *et;
- struct io_context *ioc;
struct io_cq *icq = NULL;
const bool is_sync = rw_is_sync(rw_flags) != 0;
- bool retried = false;
+ const bool drop_lock = (gfp_mask & __GFP_WAIT) != 0;
+ struct io_context *ioc;
int may_queue;
-retry:
+
et = q->elevator->type;
ioc = current->io_context;
if (unlikely(blk_queue_dead(q)))
return NULL;
may_queue = elv_may_queue(q, rw_flags);
if (may_queue == ELV_MQUEUE_NO)
goto rq_starved;
if (rl->count[is_sync]+1 >= queue_congestion_on_threshold(q)) {
- if (rl->count[is_sync]+1 >= q->nr_requests) {
- /*
- * We want ioc to record batching state. If it's
- * not already there, creating a new one requires
- * dropping queue_lock, which in turn requires
- * retesting conditions to avoid queue hang.
- */
- if (!ioc && !retried) {
- spin_unlock_irq(q->queue_lock);
- create_io_context(current, gfp_mask, q->node);
- spin_lock_irq(q->queue_lock);
- retried = true;
- goto retry;
- }
-
- /*
- * The queue will fill after this allocation, so set
- * it as full, and mark this process as "batching".
- * This process will be allowed to complete a batch of
- * requests, others will be blocked.
- */
- if (!blk_queue_full(q, is_sync)) {
- ioc_set_batching(q, ioc);
- blk_set_queue_full(q, is_sync);
- } else {
- if (may_queue != ELV_MQUEUE_MUST
- && !ioc_batching(q, ioc)) {
- /*
- * The queue is full and the allocating
- * process is not a "batcher", and not
- * exempted by the IO scheduler
- */
- goto out;
- }
- }
- }
blk_set_queue_congested(q, is_sync);
+
+ if (rl->count[is_sync]+1 >= q->nr_requests)
+ if (may_queue != ELV_MQUEUE_MUST)
+ goto out;
}
/*
* Only allow batching queuers to allocate up to 50% over the defined
* limit of requests, otherwise we could have thousands of requests
* allocated with any setting of ->nr_requests
*/
if (rl->count[is_sync] >= (3 * q->nr_requests / 2))
goto out;
@@ -863,137 +834,132 @@ retry:
!test_bit(QUEUE_FLAG_ELVSWITCH, &q->queue_flags)) {
rw_flags |= REQ_ELVPRIV;
rl->elvpriv++;
if (et->icq_cache && ioc)
icq = ioc_lookup_icq(ioc, q);
}
if (blk_queue_io_stat(q))
rw_flags |= REQ_IO_STAT;
- spin_unlock_irq(q->queue_lock);
+
+ if (drop_lock)
+ spin_unlock_irq(&ctx->lock);
/* create icq if missing */
if ((rw_flags & REQ_ELVPRIV) && unlikely(et->icq_cache && !icq)) {
icq = ioc_create_icq(q, gfp_mask);
if (!icq)
goto fail_icq;
}
- rq = blk_alloc_request(q, icq, rw_flags, gfp_mask);
-
+ rq = blk_alloc_request(ctx, icq, rw_flags, gfp_mask);
fail_icq:
if (unlikely(!rq)) {
/*
* Allocation failed presumably due to memory. Undo anything
* we might have messed up.
*
* Allocating task should really be put onto the front of the
* wait queue, but this is pretty rare.
*/
- spin_lock_irq(q->queue_lock);
- freed_request(q, rw_flags);
+ if (drop_lock)
+ spin_lock_irq(&ctx->lock);
+
+ freed_request(ctx, rw_flags);
/*
* in the very unlikely event that allocation failed and no
* requests for this direction was pending, mark us starved
* so that freeing of a request in the other direction will
* notice us. another possible fix would be to split the
* rq mempool into READ and WRITE
*/
rq_starved:
if (unlikely(rl->count[is_sync] == 0))
rl->starved[is_sync] = 1;
goto out;
}
- /*
- * ioc may be NULL here, and ioc_batching will be false. That's
- * OK, if the queue is under the request limit then requests need
- * not count toward the nr_batch_requests limit. There will always
- * be some limit enforced by BLK_BATCH_TIME.
- */
- if (ioc_batching(q, ioc))
- ioc->nr_batch_requests--;
-
trace_block_getrq(q, bio, rw_flags & 1);
+
+ if (drop_lock)
+ spin_lock_irq(&ctx->lock);
out:
return rq;
}
/**
* get_request_wait - get a free request with retry
* @q: request_queue to allocate request from
* @rw_flags: RW and SYNC flags
* @bio: bio to allocate request for (can be %NULL)
*
* Get a free request from @q. This function keeps retrying under memory
* pressure and fails iff @q is dead.
*
- * Must be callled with @q->queue_lock held and,
- * Returns %NULL on failure, with @q->queue_lock held.
- * Returns !%NULL on success, with @q->queue_lock *not held*.
+ * Must be callled with @ctx->lock held.
*/
-static struct request *get_request_wait(struct request_queue *q, int rw_flags,
+static struct request *get_request_wait(struct blk_queue_ctx *ctx, int rw_flags,
struct bio *bio)
{
+ struct request_queue *q = ctx->queue;
const bool is_sync = rw_is_sync(rw_flags) != 0;
struct request *rq;
- rq = get_request(q, rw_flags, bio, GFP_NOIO);
+ rq = get_request(ctx, rw_flags, bio, GFP_NOIO);
while (!rq) {
DEFINE_WAIT(wait);
- struct request_list *rl = &q->rq;
+ struct request_list *rl = &ctx->rl;
if (unlikely(blk_queue_dead(q)))
return NULL;
prepare_to_wait_exclusive(&rl->wait[is_sync], &wait,
TASK_UNINTERRUPTIBLE);
trace_block_sleeprq(q, bio, rw_flags & 1);
- spin_unlock_irq(q->queue_lock);
+ spin_unlock_irq(&ctx->lock);
io_schedule();
/*
* After sleeping, we become a "batching" process and
* will be able to allocate at least one request, and
* up to a big batch of them for a small period time.
* See ioc_batching, ioc_set_batching
*/
create_io_context(current, GFP_NOIO, q->node);
- ioc_set_batching(q, current->io_context);
- spin_lock_irq(q->queue_lock);
+ spin_lock_irq(&ctx->lock);
finish_wait(&rl->wait[is_sync], &wait);
- rq = get_request(q, rw_flags, bio, GFP_NOIO);
+ rq = get_request(ctx, rw_flags, bio, GFP_NOIO);
};
return rq;
}
struct request *blk_get_request(struct request_queue *q, int rw, gfp_t gfp_mask)
{
+ struct blk_queue_ctx *ctx = blk_get_ctx(q, 0);
struct request *rq;
BUG_ON(rw != READ && rw != WRITE);
- spin_lock_irq(q->queue_lock);
+ spin_lock_irq(&ctx->lock);
+
if (gfp_mask & __GFP_WAIT)
- rq = get_request_wait(q, rw, NULL);
+ rq = get_request_wait(ctx, rw, NULL);
else
- rq = get_request(q, rw, NULL, gfp_mask);
- if (!rq)
- spin_unlock_irq(q->queue_lock);
- /* q->queue_lock is unlocked at this point */
+ rq = get_request(ctx, rw, NULL, gfp_mask);
+ spin_unlock_irq(&ctx->lock);
return rq;
}
EXPORT_SYMBOL(blk_get_request);
/**
* blk_make_request - given a bio, allocate a corresponding struct request.
* @q: target request queue
* @bio: The bio describing the memory mappings that will be submitted for IO.
* It may be a chained-bio properly constructed by block/bio layer.
@@ -1066,23 +1032,28 @@ void blk_requeue_request(struct request_queue *q, struct request *rq)
if (blk_rq_tagged(rq))
blk_queue_end_tag(q, rq);
BUG_ON(blk_queued_rq(rq));
elv_requeue_request(q, rq);
}
EXPORT_SYMBOL(blk_requeue_request);
-static void add_acct_request(struct request_queue *q, struct request *rq,
- int where)
+static void add_acct_request(struct request *rq, int where)
{
+ struct blk_queue_ctx *ctx = rq->queue_ctx;
+
+ BUG_ON(!irqs_disabled());
+
drive_stat_acct(rq, 1);
- __elv_add_request(q, rq, where);
+ spin_lock(&ctx->lock);
+ __elv_add_request(rq, where);
+ spin_unlock(&ctx->lock);
}
static void part_round_stats_single(int cpu, struct hd_struct *part,
unsigned long now)
{
if (now == part->stamp)
return;
if (part_in_flight(part)) {
@@ -1116,54 +1087,56 @@ void part_round_stats(int cpu, struct hd_struct *part)
if (part->partno)
part_round_stats_single(cpu, &part_to_disk(part)->part0, now);
part_round_stats_single(cpu, part, now);
}
EXPORT_SYMBOL_GPL(part_round_stats);
/*
* queue lock must be held
*/
-void __blk_put_request(struct request_queue *q, struct request *req)
+void __blk_put_request(struct request *req)
{
- if (unlikely(!q))
+ struct blk_queue_ctx *ctx = req->queue_ctx;
+
+ if (unlikely(!ctx))
return;
if (unlikely(--req->ref_count))
return;
- elv_completed_request(q, req);
+ elv_completed_request(req);
/* this is a bio leak */
WARN_ON(req->bio != NULL);
/*
* Request may not have originated from ll_rw_blk. if not,
* it didn't come out of our reserved rq pools
*/
if (req->cmd_flags & REQ_ALLOCED) {
unsigned int flags = req->cmd_flags;
BUG_ON(!list_empty(&req->queuelist));
BUG_ON(!hlist_unhashed(&req->hash));
- blk_free_request(q, req);
- freed_request(q, flags);
+ blk_free_request(ctx, req);
+ freed_request(ctx, flags);
}
}
EXPORT_SYMBOL_GPL(__blk_put_request);
void blk_put_request(struct request *req)
{
+ struct blk_queue_ctx *ctx = req->queue_ctx;
unsigned long flags;
- struct request_queue *q = req->q;
- spin_lock_irqsave(q->queue_lock, flags);
- __blk_put_request(q, req);
- spin_unlock_irqrestore(q->queue_lock, flags);
+ spin_lock_irqsave(&ctx->lock, flags);
+ __blk_put_request(req);
+ spin_unlock_irqrestore(&ctx->lock, flags);
}
EXPORT_SYMBOL(blk_put_request);
/**
* blk_add_request_payload - add a payload to a request
* @rq: request to update
* @page: page backing the payload
* @len: length of the payload.
*
@@ -1187,49 +1160,49 @@ void blk_add_request_payload(struct request *rq, struct page *page,
bio->bi_vcnt = 1;
bio->bi_phys_segments = 1;
rq->__data_len = rq->resid_len = len;
rq->nr_phys_segments = 1;
rq->buffer = bio_data(bio);
}
EXPORT_SYMBOL_GPL(blk_add_request_payload);
-static bool bio_attempt_back_merge(struct request_queue *q, struct request *req,
+static bool bio_attempt_back_merge(struct blk_queue_ctx *ctx, struct request *req,
struct bio *bio)
{
const int ff = bio->bi_rw & REQ_FAILFAST_MASK;
- if (!ll_back_merge_fn(q, req, bio))
+ if (!ll_back_merge_fn(ctx, req, bio))
return false;
- trace_block_bio_backmerge(q, bio);
+ trace_block_bio_backmerge(ctx->queue, bio);
if ((req->cmd_flags & REQ_FAILFAST_MASK) != ff)
blk_rq_set_mixed_merge(req);
req->biotail->bi_next = bio;
req->biotail = bio;
req->__data_len += bio->bi_size;
req->ioprio = ioprio_best(req->ioprio, bio_prio(bio));
drive_stat_acct(req, 0);
return true;
}
-static bool bio_attempt_front_merge(struct request_queue *q,
+static bool bio_attempt_front_merge(struct blk_queue_ctx *ctx,
struct request *req, struct bio *bio)
{
const int ff = bio->bi_rw & REQ_FAILFAST_MASK;
- if (!ll_front_merge_fn(q, req, bio))
+ if (!ll_front_merge_fn(ctx, req, bio))
return false;
- trace_block_bio_frontmerge(q, bio);
+ trace_block_bio_frontmerge(ctx->queue, bio);
if ((req->cmd_flags & REQ_FAILFAST_MASK) != ff)
blk_rq_set_mixed_merge(req);
bio->bi_next = req->bio;
req->bio = bio;
/*
* may not be valid. if the low level driver said
@@ -1274,28 +1247,28 @@ static bool attempt_plug_merge(struct request_queue *q, struct bio *bio,
goto out;
*request_count = 0;
list_for_each_entry_reverse(rq, &plug->list, queuelist) {
int el_ret;
if (rq->q == q)
(*request_count)++;
- if (rq->q != q || !blk_rq_merge_ok(rq, bio))
+ if (rq->queue_ctx->queue != q || !blk_rq_merge_ok(rq, bio))
continue;
el_ret = blk_try_merge(rq, bio);
if (el_ret == ELEVATOR_BACK_MERGE) {
- ret = bio_attempt_back_merge(q, rq, bio);
+ ret = bio_attempt_back_merge(rq->queue_ctx, rq, bio);
if (ret)
break;
} else if (el_ret == ELEVATOR_FRONT_MERGE) {
- ret = bio_attempt_front_merge(q, rq, bio);
+ ret = bio_attempt_front_merge(rq->queue_ctx, rq, bio);
if (ret)
break;
}
}
out:
return ret;
}
void init_request_from_bio(struct request *req, struct bio *bio)
@@ -1303,88 +1276,93 @@ void init_request_from_bio(struct request *req, struct bio *bio)
req->cmd_type = REQ_TYPE_FS;
req->cmd_flags |= bio->bi_rw & REQ_COMMON_MASK;
if (bio->bi_rw & REQ_RAHEAD)
req->cmd_flags |= REQ_FAILFAST_MASK;
req->errors = 0;
req->__sector = bio->bi_sector;
req->ioprio = bio_prio(bio);
- blk_rq_bio_prep(req->q, req, bio);
+ blk_rq_bio_prep(req->queue_ctx->queue, req, bio);
}
void blk_queue_bio(struct request_queue *q, struct bio *bio)
{
const bool sync = !!(bio->bi_rw & REQ_SYNC);
+ struct blk_queue_ctx *ctx = blk_get_ctx(q, 0);
struct blk_plug *plug;
int el_ret, rw_flags, where = ELEVATOR_INSERT_SORT;
struct request *req;
unsigned int request_count = 0;
/*
* low level driver can indicate that it wants pages above a
* certain limit bounced to low memory (ie for highmem, or even
* ISA dma in theory)
*/
blk_queue_bounce(q, &bio);
if (bio->bi_rw & (REQ_FLUSH | REQ_FUA)) {
- spin_lock_irq(q->queue_lock);
+ spin_lock_irq(&ctx->lock);
where = ELEVATOR_INSERT_FLUSH;
goto get_rq;
}
/*
* Check if we can merge with the plugged list before grabbing
* any locks.
*/
if (attempt_plug_merge(q, bio, &request_count))
return;
- spin_lock_irq(q->queue_lock);
+ spin_lock_irq(&ctx->lock);
- el_ret = elv_merge(q, &req, bio);
+ el_ret = elv_merge(ctx, &req, bio);
if (el_ret == ELEVATOR_BACK_MERGE) {
- if (bio_attempt_back_merge(q, req, bio)) {
- elv_bio_merged(q, req, bio);
- if (!attempt_back_merge(q, req))
- elv_merged_request(q, req, el_ret);
- goto out_unlock;
+ if (bio_attempt_back_merge(ctx, req, bio)) {
+ elv_bio_merged(ctx, req, bio);
+ if (!attempt_back_merge(ctx, req))
+ elv_merged_request(ctx, req, el_ret);
+out_unlock:
+ spin_unlock_irq(&ctx->lock);
+ return;
}
} else if (el_ret == ELEVATOR_FRONT_MERGE) {
- if (bio_attempt_front_merge(q, req, bio)) {
- elv_bio_merged(q, req, bio);
- if (!attempt_front_merge(q, req))
- elv_merged_request(q, req, el_ret);
+ if (bio_attempt_front_merge(ctx, req, bio)) {
+ elv_bio_merged(ctx, req, bio);
+ if (!attempt_front_merge(ctx, req))
+ elv_merged_request(ctx, req, el_ret);
goto out_unlock;
}
}
get_rq:
/*
* This sync check and mask will be re-done in init_request_from_bio(),
* but we need to set it earlier to expose the sync flag to the
* rq allocator and io schedulers.
*/
rw_flags = bio_data_dir(bio);
if (sync)
rw_flags |= REQ_SYNC;
/*
- * Grab a free request. This is might sleep but can not fail.
- * Returns with the queue unlocked.
+ * Grab a free request. Fails if the queue is dead,
+ * otherwise succeeds. May drop lock, but reacquires it.
*/
- req = get_request_wait(q, rw_flags, bio);
+ req = get_request_wait(ctx, rw_flags, bio);
if (unlikely(!req)) {
bio_endio(bio, -ENODEV); /* @q is dead */
goto out_unlock;
}
+ spin_unlock_irq(&ctx->lock);
+
/*
* After dropping the lock and possibly sleeping here, our request
* may now be mergeable after it had proven unmergeable (above).
* We don't worry about that case for efficiency. It won't happen
* often, and the elevators are able to handle it.
*/
init_request_from_bio(req, bio);
if (test_bit(QUEUE_FLAG_SAME_COMP, &q->queue_flags))
@@ -1399,33 +1377,32 @@ get_rq:
* note to sort the list before dispatch.
*/
if (list_empty(&plug->list))
trace_block_plug(q);
else {
if (!plug->should_sort) {
struct request *__rq;
__rq = list_entry_rq(plug->list.prev);
- if (__rq->q != q)
+ if (__rq->queue_ctx->queue != q)
plug->should_sort = 1;
}
if (request_count >= BLK_MAX_REQUEST_COUNT) {
blk_flush_plug_list(plug, false);
trace_block_plug(q);
}
}
list_add_tail(&req->queuelist, &plug->list);
drive_stat_acct(req, 1);
} else {
spin_lock_irq(q->queue_lock);
- add_acct_request(q, req, where);
+ add_acct_request(req, where);
__blk_run_queue(q);
-out_unlock:
spin_unlock_irq(q->queue_lock);
}
}
EXPORT_SYMBOL_GPL(blk_queue_bio); /* for device mapper only */
/*
* If bio->bi_dev is a partition, remap the location
*/
static inline void blk_partition_remap(struct bio *bio)
@@ -1796,19 +1773,19 @@ int blk_insert_cloned_request(struct request_queue *q, struct request *rq)
/*
* Submitting request must be dequeued before calling this function
* because it will be linked to another request_queue
*/
BUG_ON(blk_queued_rq(rq));
if (rq->cmd_flags & (REQ_FLUSH|REQ_FUA))
where = ELEVATOR_INSERT_FLUSH;
- add_acct_request(q, rq, where);
+ add_acct_request(rq, where);
if (where == ELEVATOR_INSERT_FLUSH)
__blk_run_queue(q);
spin_unlock_irqrestore(q->queue_lock, flags);
return 0;
}
EXPORT_SYMBOL_GPL(blk_insert_cloned_request);
/**
@@ -1918,19 +1895,19 @@ struct request *blk_peek_request(struct request_queue *q)
while ((rq = __elv_next_request(q)) != NULL) {
if (!(rq->cmd_flags & REQ_STARTED)) {
/*
* This is the first time the device driver
* sees this request (possibly after
* requeueing). Notify IO scheduler.
*/
if (rq->cmd_flags & REQ_SORTED)
- elv_activate_rq(q, rq);
+ elv_activate_rq(rq);
/*
* just mark as started even if we don't start
* it, a request that has been delayed should
* not be passed by new incoming requests
*/
rq->cmd_flags |= REQ_STARTED;
trace_block_rq_issue(q, rq);
}
@@ -1991,32 +1968,32 @@ struct request *blk_peek_request(struct request_queue *q)
}
}
return rq;
}
EXPORT_SYMBOL(blk_peek_request);
void blk_dequeue_request(struct request *rq)
{
- struct request_queue *q = rq->q;
+ struct blk_queue_ctx *ctx = rq->queue_ctx;
BUG_ON(list_empty(&rq->queuelist));
BUG_ON(ELV_ON_HASH(rq));
list_del_init(&rq->queuelist);
/*
* the time frame between a request being removed from the lists
* and to it is freed is accounted as io that is in progress at
* the driver side.
*/
if (blk_account_rq(rq)) {
- q->in_flight[rq_is_sync(rq)]++;
+ ctx->in_flight[rq_is_sync(rq)]++;
set_io_start_time_ns(rq);
}
}
/**
* blk_start_request - start request processing on the driver
* @req: request to dequeue
*
* Description:
@@ -2095,19 +2072,19 @@ EXPORT_SYMBOL(blk_fetch_request);
**/
bool blk_update_request(struct request *req, int error, unsigned int nr_bytes)
{
int total_bytes, bio_nbytes, next_idx = 0;
struct bio *bio;
if (!req->bio)
return false;
- trace_block_rq_complete(req->q, req);
+ trace_block_rq_complete(req->queue_ctx->queue, req);
/*
* For fs requests, rq is just carrier of independent bio's
* and each partial completion should be handled separately.
* Reset per-request error on each partial completion.
*
* TODO: tj: This is too subtle. It would be better to let
* low level drivers do what they see fit.
*/
@@ -2250,72 +2227,75 @@ static bool blk_update_bidi_request(struct request *rq, int error,
{
if (blk_update_request(rq, error, nr_bytes))
return true;
/* Bidi request must be completed as a whole */
if (unlikely(blk_bidi_rq(rq)) &&
blk_update_request(rq->next_rq, error, bidi_bytes))
return true;
- if (blk_queue_add_random(rq->q))
+ if (blk_queue_add_random(rq->queue_ctx->queue))
add_disk_randomness(rq->rq_disk);
return false;
}
/**
* blk_unprep_request - unprepare a request
* @req: the request
*
* This function makes a request ready for complete resubmission (or
* completion). It happens only after all error handling is complete,
* so represents the appropriate moment to deallocate any resources
* that were allocated to the request in the prep_rq_fn. The queue
* lock is held when calling this.
*/
void blk_unprep_request(struct request *req)
{
- struct request_queue *q = req->q;
+ struct request_queue *q = req->queue_ctx->queue;
req->cmd_flags &= ~REQ_DONTPREP;
if (q->unprep_rq_fn)
q->unprep_rq_fn(q, req);
}
EXPORT_SYMBOL_GPL(blk_unprep_request);
/*
* queue lock must be held
*/
static void blk_finish_request(struct request *req, int error)
{
+ struct blk_queue_ctx *ctx = req->queue_ctx;
+ struct request_queue *q = ctx->queue;
+
if (blk_rq_tagged(req))
- blk_queue_end_tag(req->q, req);
+ blk_queue_end_tag(q, req);
BUG_ON(blk_queued_rq(req));
if (unlikely(laptop_mode) && req->cmd_type == REQ_TYPE_FS)
- laptop_io_completion(&req->q->backing_dev_info);
+ laptop_io_completion(&q->backing_dev_info);
blk_delete_timer(req);
if (req->cmd_flags & REQ_DONTPREP)
blk_unprep_request(req);
blk_account_io_done(req);
if (req->end_io)
req->end_io(req, error);
else {
if (blk_bidi_rq(req))
- __blk_put_request(req->next_rq->q, req->next_rq);
+ __blk_put_request(req->next_rq);
- __blk_put_request(req->q, req);
+ __blk_put_request(req);
}
}
/**
* blk_end_bidi_request - Complete a bidi request
* @rq: the request to complete
* @error: %0 for success, < %0 for error
* @nr_bytes: number of bytes to complete @rq
* @bidi_bytes: number of bytes to complete @rq->next_rq
@@ -2327,27 +2307,27 @@ static void blk_finish_request(struct request *req, int error)
* just ignored.
*
* Return:
* %false - we are done with this request
* %true - still buffers pending for this request
**/
static bool blk_end_bidi_request(struct request *rq, int error,
unsigned int nr_bytes, unsigned int bidi_bytes)
{
- struct request_queue *q = rq->q;
+ struct blk_queue_ctx *ctx = rq->queue_ctx;
unsigned long flags;
if (blk_update_bidi_request(rq, error, nr_bytes, bidi_bytes))
return true;
- spin_lock_irqsave(q->queue_lock, flags);
+ spin_lock_irqsave(&ctx->lock, flags);
blk_finish_request(rq, error);
- spin_unlock_irqrestore(q->queue_lock, flags);
+ spin_unlock_irqrestore(&ctx->lock, flags);
return false;
}
/**
* __blk_end_bidi_request - Complete a bidi request with queue lock held
* @rq: the request to complete
* @error: %0 for success, < %0 for error
* @nr_bytes: number of bytes to complete @rq
@@ -2744,54 +2724,50 @@ void blk_start_plug(struct blk_plug *plug)
}
}
EXPORT_SYMBOL(blk_start_plug);
static int plug_rq_cmp(void *priv, struct list_head *a, struct list_head *b)
{
struct request *rqa = container_of(a, struct request, queuelist);
struct request *rqb = container_of(b, struct request, queuelist);
- return !(rqa->q <= rqb->q);
+ return !(rqa->queue_ctx <= rqb->queue_ctx);
}
/*
* If 'from_schedule' is true, then postpone the dispatch of requests
* until a safe kblockd context. We due this to avoid accidental big
* additional stack usage in driver dispatch, in places where the originally
* plugger did not intend it.
*/
static void queue_unplugged(struct request_queue *q, unsigned int depth,
bool from_schedule)
- __releases(q->queue_lock)
{
trace_block_unplug(q, depth, !from_schedule);
/*
* Don't mess with dead queue.
*/
- if (unlikely(blk_queue_dead(q))) {
- spin_unlock(q->queue_lock);
+ if (unlikely(blk_queue_dead(q)))
return;
- }
/*
* If we are punting this to kblockd, then we can safely drop
* the queue_lock before waking kblockd (which needs to take
* this lock).
*/
- if (from_schedule) {
- spin_unlock(q->queue_lock);
+ if (from_schedule)
blk_run_queue_async(q);
- } else {
+ else {
+ spin_lock(q->queue_lock);
__blk_run_queue(q);
spin_unlock(q->queue_lock);
}
-
}
static void flush_plug_callbacks(struct blk_plug *plug)
{
LIST_HEAD(callbacks);
if (list_empty(&plug->cb_list))
return;
@@ -2802,84 +2778,85 @@ static void flush_plug_callbacks(struct blk_plug *plug)
struct blk_plug_cb,
list);
list_del(&cb->list);
cb->callback(cb);
}
}
void blk_flush_plug_list(struct blk_plug *plug, bool from_schedule)
{
- struct request_queue *q;
+ struct blk_queue_ctx *ctx;
unsigned long flags;
struct request *rq;
LIST_HEAD(list);
unsigned int depth;
BUG_ON(plug->magic != PLUG_MAGIC);
flush_plug_callbacks(plug);
if (list_empty(&plug->list))
return;
list_splice_init(&plug->list, &list);
if (plug->should_sort) {
list_sort(NULL, &list, plug_rq_cmp);
plug->should_sort = 0;
}
- q = NULL;
+ ctx = NULL;
depth = 0;
/*
* Save and disable interrupts here, to avoid doing it for every
* queue lock we have to take.
*/
local_irq_save(flags);
while (!list_empty(&list)) {
rq = list_entry_rq(list.next);
list_del_init(&rq->queuelist);
- BUG_ON(!rq->q);
- if (rq->q != q) {
- /*
- * This drops the queue lock
- */
- if (q)
- queue_unplugged(q, depth, from_schedule);
- q = rq->q;
+ BUG_ON(!rq->queue_ctx);
+ if (rq->queue_ctx != ctx) {
+ if (ctx) {
+ spin_unlock(&ctx->lock);
+ queue_unplugged(ctx->queue, depth, from_schedule);
+ }
+ ctx = rq->queue_ctx;
depth = 0;
- spin_lock(q->queue_lock);
+ spin_lock(&ctx->lock);
}
/*
* Short-circuit if @q is dead
*/
- if (unlikely(blk_queue_dead(q))) {
+ if (unlikely(blk_queue_dead(ctx->queue))) {
__blk_end_request_all(rq, -ENODEV);
continue;
}
/*
* rq is already accounted, so use raw insert
*/
if (rq->cmd_flags & (REQ_FLUSH | REQ_FUA))
- __elv_add_request(q, rq, ELEVATOR_INSERT_FLUSH);
+ __elv_add_request(rq, ELEVATOR_INSERT_FLUSH);
else
- __elv_add_request(q, rq, ELEVATOR_INSERT_SORT_MERGE);
+ __elv_add_request(rq, ELEVATOR_INSERT_SORT_MERGE);
depth++;
}
/*
* This drops the queue lock
*/
- if (q)
- queue_unplugged(q, depth, from_schedule);
+ if (ctx) {
+ spin_unlock(&ctx->lock);
+ queue_unplugged(ctx->queue, depth, from_schedule);
+ }
local_irq_restore(flags);
}
void blk_finish_plug(struct blk_plug *plug)
{
blk_flush_plug_list(plug, false);
if (plug == current->plug)
diff --git a/block/blk-exec.c b/block/blk-exec.c
index fb2cbd5..0711e01 100644
--- a/block/blk-exec.c
+++ b/block/blk-exec.c
@@ -17,19 +17,19 @@
* blk_end_sync_rq - executes a completion event on a request
* @rq: request to complete
* @error: end I/O status of the request
*/
static void blk_end_sync_rq(struct request *rq, int error)
{
struct completion *waiting = rq->end_io_data;
rq->end_io_data = NULL;
- __blk_put_request(rq->q, rq);
+ __blk_put_request(rq);
/*
* complete last, if this is a stack request the process (and thus
* the rq pointer) could be invalid right after this complete()
*/
complete(waiting);
}
/**
@@ -43,33 +43,39 @@ static void blk_end_sync_rq(struct request *rq, int error)
* Description:
* Insert a fully prepared request at the back of the I/O scheduler queue
* for execution. Don't wait for completion.
*/
void blk_execute_rq_nowait(struct request_queue *q, struct gendisk *bd_disk,
struct request *rq, int at_head,
rq_end_io_fn *done)
{
int where = at_head ? ELEVATOR_INSERT_FRONT : ELEVATOR_INSERT_BACK;
+ struct blk_queue_ctx *ctx;
WARN_ON(irqs_disabled());
- spin_lock_irq(q->queue_lock);
+
+ /* FIXME */
+ ctx = blk_get_ctx(q, 0);
if (unlikely(blk_queue_dead(q))) {
- spin_unlock_irq(q->queue_lock);
rq->errors = -ENXIO;
if (rq->end_io)
rq->end_io(rq, rq->errors);
return;
}
rq->rq_disk = bd_disk;
rq->end_io = done;
- __elv_add_request(q, rq, where);
+ spin_lock_irq(&ctx->lock);
+ __elv_add_request(rq, where);
+ spin_unlock(&ctx->lock);
+
+ spin_lock(q->queue_lock);
__blk_run_queue(q);
/* the queue is stopped so it won't be run */
if (rq->cmd_type == REQ_TYPE_PM_RESUME)
q->request_fn(q);
spin_unlock_irq(q->queue_lock);
}
EXPORT_SYMBOL_GPL(blk_execute_rq_nowait);
/**
diff --git a/block/blk-flush.c b/block/blk-flush.c
index 720ad60..971a05e 100644
--- a/block/blk-flush.c
+++ b/block/blk-flush.c
@@ -138,19 +138,19 @@ static void blk_flush_restore_request(struct request *rq)
* CONTEXT:
* spin_lock_irq(q->queue_lock)
*
* RETURNS:
* %true if requests were added to the dispatch queue, %false otherwise.
*/
static bool blk_flush_complete_seq(struct request *rq, unsigned int seq,
int error)
{
- struct request_queue *q = rq->q;
+ struct request_queue *q = rq->queue_ctx->queue;
struct list_head *pending = &q->flush_queue[q->flush_pending_idx];
bool queued = false;
BUG_ON(rq->flush.seq & seq);
rq->flush.seq |= seq;
if (likely(!error))
seq = blk_flush_cur_seq(rq);
else
@@ -187,28 +187,28 @@ static bool blk_flush_complete_seq(struct request *rq, unsigned int seq,
default:
BUG();
}
return blk_kick_flush(q) | queued;
}
static void flush_end_io(struct request *flush_rq, int error)
{
- struct request_queue *q = flush_rq->q;
+ struct request_queue *q = flush_rq->queue_ctx->queue;
struct list_head *running = &q->flush_queue[q->flush_running_idx];
bool queued = false;
struct request *rq, *n;
BUG_ON(q->flush_pending_idx == q->flush_running_idx);
/* account completion of the flush request */
q->flush_running_idx ^= 1;
- elv_completed_request(q, flush_rq);
+ elv_completed_request(flush_rq);
/* and push the waiting requests to the next stage */
list_for_each_entry_safe(rq, n, running, flush.list) {
unsigned int seq = blk_flush_cur_seq(rq);
BUG_ON(seq != REQ_FSEQ_PREFLUSH && seq != REQ_FSEQ_POSTFLUSH);
queued |= blk_flush_complete_seq(rq, seq, error);
}
@@ -240,47 +240,48 @@ static void flush_end_io(struct request *flush_rq, int error)
*
* RETURNS:
* %true if flush was issued, %false otherwise.
*/
static bool blk_kick_flush(struct request_queue *q)
{
struct list_head *pending = &q->flush_queue[q->flush_pending_idx];
struct request *first_rq =
list_first_entry(pending, struct request, flush.list);
+ struct blk_queue_ctx *ctx = first_rq->queue_ctx;
/* C1 described at the top of this file */
if (q->flush_pending_idx != q->flush_running_idx || list_empty(pending))
return false;
/* C2 and C3 */
if (!list_empty(&q->flush_data_in_flight) &&
time_before(jiffies,
q->flush_pending_since + FLUSH_PENDING_TIMEOUT))
return false;
/*
* Issue flush and toggle pending_idx. This makes pending_idx
* different from running_idx, which means flush is in flight.
*/
- blk_rq_init(q, &q->flush_rq);
+ blk_rq_init(ctx, &q->flush_rq);
q->flush_rq.cmd_type = REQ_TYPE_FS;
q->flush_rq.cmd_flags = WRITE_FLUSH | REQ_FLUSH_SEQ;
q->flush_rq.rq_disk = first_rq->rq_disk;
q->flush_rq.end_io = flush_end_io;
q->flush_pending_idx ^= 1;
list_add_tail(&q->flush_rq.queuelist, &q->queue_head);
return true;
}
static void flush_data_end_io(struct request *rq, int error)
{
- struct request_queue *q = rq->q;
+ struct request_queue *q = rq->queue_ctx->queue;
/*
* After populating an empty queue, kick it to avoid stall. Read
* the comment in flush_end_io().
*/
if (blk_flush_complete_seq(rq, REQ_FSEQ_DATA, error))
blk_run_queue_async(q);
}
@@ -291,19 +292,19 @@ static void flush_data_end_io(struct request *rq, int error)
* To be called from __elv_add_request() for %ELEVATOR_INSERT_FLUSH insertions.
* @rq is being submitted. Analyze what needs to be done and put it on the
* right queue.
*
* CONTEXT:
* spin_lock_irq(q->queue_lock)
*/
void blk_insert_flush(struct request *rq)
{
- struct request_queue *q = rq->q;
+ struct request_queue *q = rq->queue_ctx->queue;
unsigned int fflags = q->flush_flags; /* may change, cache */
unsigned int policy = blk_flush_policy(fflags, rq);
/*
* @policy now records what operations need to be done. Adjust
* REQ_FLUSH and FUA for the driver.
*/
rq->cmd_flags &= ~REQ_FLUSH;
if (!(fflags & REQ_FUA))
diff --git a/block/blk-map.c b/block/blk-map.c
index 623e1cd..a7dd895 100644
--- a/block/blk-map.c
+++ b/block/blk-map.c
@@ -8,19 +8,19 @@
#include <scsi/sg.h> /* for struct sg_iovec */
#include "blk.h"
int blk_rq_append_bio(struct request_queue *q, struct request *rq,
struct bio *bio)
{
if (!rq->bio)
blk_rq_bio_prep(q, rq, bio);
- else if (!ll_back_merge_fn(q, rq, bio))
+ else if (!ll_back_merge_fn(rq->queue_ctx, rq, bio))
return -EINVAL;
else {
rq->biotail->bi_next = bio;
rq->biotail = bio;
rq->__data_len += bio->bi_size;
}
return 0;
}
diff --git a/block/blk-merge.c b/block/blk-merge.c
index 160035f..61538b3 100644
--- a/block/blk-merge.c
+++ b/block/blk-merge.c
@@ -64,19 +64,21 @@ new_segment:
fbio->bi_seg_front_size = seg_size;
if (seg_size > bbio->bi_seg_back_size)
bbio->bi_seg_back_size = seg_size;
return nr_phys_segs;
}
void blk_recalc_rq_segments(struct request *rq)
{
- rq->nr_phys_segments = __blk_recalc_rq_segments(rq->q, rq->bio);
+ struct request_queue *q = rq->queue_ctx->queue;
+
+ rq->nr_phys_segments = __blk_recalc_rq_segments(q, rq->bio);
}
void blk_recount_segments(struct request_queue *q, struct bio *bio)
{
struct bio *nxt = bio->bi_next;
bio->bi_next = NULL;
bio->bi_phys_segments = __blk_recalc_rq_segments(q, bio);
bio->bi_next = nxt;
@@ -108,21 +110,21 @@ static int blk_phys_contig_segment(struct request_queue *q, struct bio *bio,
return 1;
return 0;
}
/*
* map a request to scatterlist, return number of sg entries setup. Caller
* must make sure sg can hold rq->nr_phys_segments entries
*/
-int blk_rq_map_sg(struct request_queue *q, struct request *rq,
- struct scatterlist *sglist)
+int blk_rq_map_sg(struct request *rq, struct scatterlist *sglist)
{
+ struct request_queue *q = rq->queue_ctx->queue;
struct bio_vec *bvec, *bvprv;
struct req_iterator iter;
struct scatterlist *sg;
int nsegs, cluster;
nsegs = 0;
cluster = blk_queue_cluster(q);
/*
@@ -194,18 +196,19 @@ new_segment:
if (sg)
sg_mark_end(sg);
return nsegs;
}
EXPORT_SYMBOL(blk_rq_map_sg);
static inline int ll_new_hw_segment(struct request_queue *q,
+ struct blk_queue_ctx *ctx,
struct request *req,
struct bio *bio)
{
int nr_phys_segs = bio_phys_segments(q, bio);
if (req->nr_phys_segments + nr_phys_segs > queue_max_segments(q))
goto no_merge;
if (bio_integrity(bio) && blk_integrity_merge_bio(q, req, bio))
@@ -214,75 +217,77 @@ static inline int ll_new_hw_segment(struct request_queue *q,
/*
* This will form the start of a new hw segment. Bump both
* counters.
*/
req->nr_phys_segments += nr_phys_segs;
return 1;
no_merge:
req->cmd_flags |= REQ_NOMERGE;
- if (req == q->last_merge)
- q->last_merge = NULL;
+ if (req == ctx->last_merge)
+ ctx->last_merge = NULL;
return 0;
}
-int ll_back_merge_fn(struct request_queue *q, struct request *req,
+int ll_back_merge_fn(struct blk_queue_ctx *ctx, struct request *req,
struct bio *bio)
{
+ struct request_queue *q = ctx->queue;
unsigned short max_sectors;
if (unlikely(req->cmd_type == REQ_TYPE_BLOCK_PC))
max_sectors = queue_max_hw_sectors(q);
else
max_sectors = queue_max_sectors(q);
if (blk_rq_sectors(req) + bio_sectors(bio) > max_sectors) {
req->cmd_flags |= REQ_NOMERGE;
- if (req == q->last_merge)
- q->last_merge = NULL;
+ if (req == ctx->last_merge)
+ ctx->last_merge = NULL;
return 0;
}
if (!bio_flagged(req->biotail, BIO_SEG_VALID))
blk_recount_segments(q, req->biotail);
if (!bio_flagged(bio, BIO_SEG_VALID))
blk_recount_segments(q, bio);
- return ll_new_hw_segment(q, req, bio);
+ return ll_new_hw_segment(q, ctx, req, bio);
}
-int ll_front_merge_fn(struct request_queue *q, struct request *req,
+int ll_front_merge_fn(struct blk_queue_ctx *ctx, struct request *req,
struct bio *bio)
{
+ struct request_queue *q = ctx->queue;
unsigned short max_sectors;
if (unlikely(req->cmd_type == REQ_TYPE_BLOCK_PC))
max_sectors = queue_max_hw_sectors(q);
else
max_sectors = queue_max_sectors(q);
-
if (blk_rq_sectors(req) + bio_sectors(bio) > max_sectors) {
req->cmd_flags |= REQ_NOMERGE;
- if (req == q->last_merge)
- q->last_merge = NULL;
+ if (req == ctx->last_merge)
+ ctx->last_merge = NULL;
return 0;
}
if (!bio_flagged(bio, BIO_SEG_VALID))
blk_recount_segments(q, bio);
if (!bio_flagged(req->bio, BIO_SEG_VALID))
blk_recount_segments(q, req->bio);
- return ll_new_hw_segment(q, req, bio);
+ return ll_new_hw_segment(q, ctx, req, bio);
}
-static int ll_merge_requests_fn(struct request_queue *q, struct request *req,
+static int ll_merge_requests_fn(struct blk_queue_ctx *ctx, struct request *req,
struct request *next)
{
+ struct request_queue *q = ctx->queue;
int total_phys_segments;
unsigned int seg_size =
req->biotail->bi_seg_back_size + next->bio->bi_seg_front_size;
/*
* First check if the either of the requests are re-queued
* requests. Can't merge them if they are.
*/
if (req->special || next->special)
@@ -358,20 +363,20 @@ static void blk_account_io_merge(struct request *req)
hd_struct_put(part);
part_stat_unlock();
}
}
/*
* Has to be called with the request spinlock acquired
*/
-static int attempt_merge(struct request_queue *q, struct request *req,
- struct request *next)
+static int attempt_merge(struct blk_queue_ctx *ctx, struct request *req,
+ struct request *next)
{
if (!rq_mergeable(req) || !rq_mergeable(next))
return 0;
/*
* Don't merge file system requests and discard requests
*/
if ((req->cmd_flags & REQ_DISCARD) != (next->cmd_flags & REQ_DISCARD))
return 0;
@@ -393,19 +398,19 @@ static int attempt_merge(struct request_queue *q, struct request *req,
|| next->special)
return 0;
/*
* If we are allowed to merge, then append bio list
* from next to rq and release next. merge_requests_fn
* will have updated segment counts, update sector
* counts here.
*/
- if (!ll_merge_requests_fn(q, req, next))
+ if (!ll_merge_requests_fn(ctx, req, next))
return 0;
/*
* If failfast settings disagree or any of the two is already
* a mixed merge, mark both as mixed before proceeding. This
* makes sure that all involved bios have mixable attributes
* set properly.
*/
if ((req->cmd_flags | next->cmd_flags) & REQ_MIXED_MERGE ||
@@ -423,59 +428,59 @@ static int attempt_merge(struct request_queue *q, struct request *req,
*/
if (time_after(req->start_time, next->start_time))
req->start_time = next->start_time;
req->biotail->bi_next = next->bio;
req->biotail = next->biotail;
req->__data_len += blk_rq_bytes(next);
- elv_merge_requests(q, req, next);
+ elv_merge_requests(ctx, req, next);
/*
* 'next' is going away, so update stats accordingly
*/
blk_account_io_merge(next);
req->ioprio = ioprio_best(req->ioprio, next->ioprio);
if (blk_rq_cpu_valid(next))
req->cpu = next->cpu;
/* owner-ship of bio passed from next to req */
next->bio = NULL;
- __blk_put_request(q, next);
+ __blk_put_request(next);
return 1;
}
-int attempt_back_merge(struct request_queue *q, struct request *rq)
+int attempt_back_merge(struct blk_queue_ctx *ctx, struct request *rq)
{
- struct request *next = elv_latter_request(q, rq);
+ struct request *next = elv_latter_request(ctx, rq);
if (next)
- return attempt_merge(q, rq, next);
+ return attempt_merge(ctx, rq, next);
return 0;
}
-int attempt_front_merge(struct request_queue *q, struct request *rq)
+int attempt_front_merge(struct blk_queue_ctx *ctx, struct request *rq)
{
- struct request *prev = elv_former_request(q, rq);
+ struct request *prev = elv_former_request(ctx, rq);
if (prev)
- return attempt_merge(q, prev, rq);
+ return attempt_merge(ctx, prev, rq);
return 0;
}
-int blk_attempt_req_merge(struct request_queue *q, struct request *rq,
+int blk_attempt_req_merge(struct blk_queue_ctx *ctx, struct request *rq,
struct request *next)
{
- return attempt_merge(q, rq, next);
+ return attempt_merge(ctx, rq, next);
}
bool blk_rq_merge_ok(struct request *rq, struct bio *bio)
{
if (!rq_mergeable(rq))
return false;
/* don't merge file system requests and discard requests */
if ((bio->bi_rw & REQ_DISCARD) != (rq->bio->bi_rw & REQ_DISCARD))
diff --git a/block/blk-settings.c b/block/blk-settings.c
index d3234fc..862b859 100644
--- a/block/blk-settings.c
+++ b/block/blk-settings.c
@@ -174,19 +174,18 @@ void blk_queue_make_request(struct request_queue *q, make_request_fn *mfn)
{
/*
* set defaults
*/
q->nr_requests = BLKDEV_MAX_RQ;
q->make_request_fn = mfn;
blk_queue_dma_alignment(q, 511);
blk_queue_congestion_threshold(q);
- q->nr_batching = BLK_BATCH_REQ;
blk_set_default_limits(&q->limits);
/*
* by default assume old behaviour and bounce for any highmem page
*/
blk_queue_bounce_limit(q, BLK_BOUNCE_HIGH);
}
EXPORT_SYMBOL(blk_queue_make_request);
diff --git a/block/blk-softirq.c b/block/blk-softirq.c
index 467c8de..295665a 100644
--- a/block/blk-softirq.c
+++ b/block/blk-softirq.c
@@ -15,30 +15,32 @@
static DEFINE_PER_CPU(struct list_head, blk_cpu_done);
/*
* Softirq action handler - move entries to local list and loop over them
* while passing them to the queue registered handler.
*/
static void blk_done_softirq(struct softirq_action *h)
{
struct list_head *cpu_list, local_list;
+ struct request_queue *q;
local_irq_disable();
cpu_list = &__get_cpu_var(blk_cpu_done);
list_replace_init(cpu_list, &local_list);
local_irq_enable();
while (!list_empty(&local_list)) {
struct request *rq;
rq = list_entry(local_list.next, struct request, csd.list);
list_del_init(&rq->csd.list);
- rq->q->softirq_done_fn(rq);
+ q = rq->queue_ctx->queue;
+ q->softirq_done_fn(rq);
}
}
#if defined(CONFIG_SMP) && defined(CONFIG_USE_GENERIC_SMP_HELPERS)
static void trigger_softirq(void *data)
{
struct request *rq = data;
unsigned long flags;
struct list_head *list;
@@ -98,20 +100,20 @@ static int __cpuinit blk_cpu_notify(struct notifier_block *self,
return NOTIFY_OK;
}
static struct notifier_block __cpuinitdata blk_cpu_notifier = {
.notifier_call = blk_cpu_notify,
};
void __blk_complete_request(struct request *req)
{
+ struct request_queue *q = req->queue_ctx->queue;
int ccpu, cpu;
- struct request_queue *q = req->q;
unsigned long flags;
bool shared = false;
BUG_ON(!q->softirq_done_fn);
local_irq_save(flags);
cpu = smp_processor_id();
/*
@@ -159,19 +161,21 @@ do_local:
* Description:
* Ends all I/O on a request. It does not handle partial completions,
* unless the driver actually implements this in its completion callback
* through requeueing. The actual completion happens out-of-order,
* through a softirq handler. The user must have registered a completion
* callback through blk_queue_softirq_done().
**/
void blk_complete_request(struct request *req)
{
- if (unlikely(blk_should_fake_timeout(req->q)))
+ struct request_queue *q = req->queue_ctx->queue;
+
+ if (unlikely(blk_should_fake_timeout(q)))
return;
if (!blk_mark_rq_complete(req))
__blk_complete_request(req);
}
EXPORT_SYMBOL(blk_complete_request);
static __init int blk_softirq_init(void)
{
int i;
diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index cf15001..652cf84 100644
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -33,29 +33,36 @@ queue_var_store(unsigned long *var, const char *page, size_t count)
static ssize_t queue_requests_show(struct request_queue *q, char *page)
{
return queue_var_show(q->nr_requests, (page));
}
static ssize_t
queue_requests_store(struct request_queue *q, const char *page, size_t count)
{
- struct request_list *rl = &q->rq;
+ struct blk_queue_ctx *ctx;
+ struct request_list *rl;
unsigned long nr;
int ret;
if (!q->request_fn)
return -EINVAL;
+ /* just ignore it for now */
+ if (q->nr_queues > 1)
+ return count;
ret = queue_var_store(&nr, page, count);
if (nr < BLKDEV_MIN_RQ)
nr = BLKDEV_MIN_RQ;
+ ctx = blk_get_ctx(q, 0);
+ rl = &ctx->rl;
+
spin_lock_irq(q->queue_lock);
q->nr_requests = nr;
blk_queue_congestion_threshold(q);
if (rl->count[BLK_RW_SYNC] >= queue_congestion_on_threshold(q))
blk_set_queue_congested(q, BLK_RW_SYNC);
else if (rl->count[BLK_RW_SYNC] < queue_congestion_off_threshold(q))
blk_clear_queue_congested(q, BLK_RW_SYNC);
@@ -469,33 +476,34 @@ queue_attr_store(struct kobject *kobj, struct attribute *attr,
*
* Caveat:
* Hopefully the low level driver will have finished any
* outstanding requests first...
**/
static void blk_release_queue(struct kobject *kobj)
{
struct request_queue *q =
container_of(kobj, struct request_queue, kobj);
- struct request_list *rl = &q->rq;
blk_sync_queue(q);
if (q->elevator) {
spin_lock_irq(q->queue_lock);
ioc_clear_queue(q);
spin_unlock_irq(q->queue_lock);
- elevator_exit(q->elevator);
+ elevator_exit(q, q->elevator);
}
blk_throtl_exit(q);
- if (rl->rq_pool)
- mempool_destroy(rl->rq_pool);
+ if (q->rq_pool)
+ mempool_destroy(q->rq_pool);
+ if (q->queue_ctx)
+ kfree(q->queue_ctx);
if (q->queue_tags)
__blk_queue_free_tags(q);
blk_throtl_release(q);
blk_trace_shutdown(q);
bdi_destroy(&q->backing_dev_info);
diff --git a/block/blk-tag.c b/block/blk-tag.c
index 4af6f5c..8701a2a 100644
--- a/block/blk-tag.c
+++ b/block/blk-tag.c
@@ -347,19 +347,19 @@ int blk_queue_start_tag(struct request_queue *q, struct request *rq)
*
* We reserve a few tags just for sync IO, since we don't want
* to starve sync IO on behalf of flooding async IO.
*/
max_depth = bqt->max_depth;
if (!rq_is_sync(rq) && max_depth > 1) {
max_depth -= 2;
if (!max_depth)
max_depth = 1;
- if (q->in_flight[BLK_RW_ASYNC] > max_depth)
+ if (__queue_in_flight(q, BLK_RW_ASYNC) > max_depth)
return 1;
}
do {
tag = find_first_zero_bit(bqt->tag_map, max_depth);
if (tag >= max_depth)
return 1;
} while (test_and_set_bit_lock(tag, bqt->tag_map));
diff --git a/block/blk-timeout.c b/block/blk-timeout.c
index 7803548..a6b70fd 100644
--- a/block/blk-timeout.c
+++ b/block/blk-timeout.c
@@ -75,19 +75,19 @@ ssize_t part_timeout_store(struct device *dev, struct device_attribute *attr,
*
*/
void blk_delete_timer(struct request *req)
{
list_del_init(&req->timeout_list);
}
static void blk_rq_timed_out(struct request *req)
{
- struct request_queue *q = req->q;
+ struct request_queue *q = req->queue_ctx->queue;
enum blk_eh_timer_return ret;
ret = q->rq_timed_out_fn(req);
switch (ret) {
case BLK_EH_HANDLED:
__blk_complete_request(req);
break;
case BLK_EH_RESET_TIMER:
blk_clear_rq_complete(req);
@@ -101,42 +101,53 @@ static void blk_rq_timed_out(struct request *req)
* the blk layer.
*/
break;
default:
printk(KERN_ERR "block: bad eh return: %d\n", ret);
break;
}
}
-void blk_rq_timed_out_timer(unsigned long data)
+static void __blk_rq_timed_out(struct request_queue *q,
+ struct blk_queue_ctx *ctx,
+ unsigned long *next, int *next_set)
+
{
- struct request_queue *q = (struct request_queue *) data;
- unsigned long flags, next = 0;
struct request *rq, *tmp;
- int next_set = 0;
- spin_lock_irqsave(q->queue_lock, flags);
-
- list_for_each_entry_safe(rq, tmp, &q->timeout_list, timeout_list) {
+ list_for_each_entry_safe(rq, tmp, &ctx->timeout_list, timeout_list) {
if (time_after_eq(jiffies, rq->deadline)) {
list_del_init(&rq->timeout_list);
/*
* Check if we raced with end io completion
*/
if (blk_mark_rq_complete(rq))
continue;
blk_rq_timed_out(rq);
- } else if (!next_set || time_after(next, rq->deadline)) {
- next = rq->deadline;
- next_set = 1;
+ } else if (!*next_set || time_after(*next, rq->deadline)) {
+ *next = rq->deadline;
+ *next_set = 1;
}
}
+}
+
+void blk_rq_timed_out_timer(unsigned long data)
+{
+ struct request_queue *q = (struct request_queue *) data;
+ struct blk_queue_ctx *ctx;
+ unsigned long flags, next = 0;
+ int next_set = 0, i;
+
+ spin_lock_irqsave(q->queue_lock, flags);
+
+ queue_for_each_ctx(q, ctx, i)
+ __blk_rq_timed_out(q, ctx, &next, &next_set);
if (next_set)
mod_timer(&q->timeout, round_jiffies_up(next));
spin_unlock_irqrestore(q->queue_lock, flags);
}
/**
* blk_abort_request -- Request request recovery for the specified command
@@ -160,36 +171,36 @@ EXPORT_SYMBOL_GPL(blk_abort_request);
* blk_add_timer - Start timeout timer for a single request
* @req: request that is about to start running.
*
* Notes:
* Each request has its own timer, and as it is added to the queue, we
* set up the timer. When the request completes, we cancel the timer.
*/
void blk_add_timer(struct request *req)
{
- struct request_queue *q = req->q;
+ struct request_queue *q = req->queue_ctx->queue;
unsigned long expiry;
if (!q->rq_timed_out_fn)
return;
BUG_ON(!list_empty(&req->timeout_list));
BUG_ON(test_bit(REQ_ATOM_COMPLETE, &req->atomic_flags));
/*
* Some LLDs, like scsi, peek at the timeout to prevent a
* command from being retried forever.
*/
if (!req->timeout)
req->timeout = q->rq_timeout;
req->deadline = jiffies + req->timeout;
- list_add_tail(&req->timeout_list, &q->timeout_list);
+ list_add_tail(&req->timeout_list, &req->queue_ctx->timeout_list);
/*
* If the timer isn't already pending or this timeout is earlier
* than an existing one, modify the timer. Round up to next nearest
* second.
*/
expiry = round_jiffies_up(req->deadline);
if (!timer_pending(&q->timeout) ||
@@ -198,43 +209,47 @@ void blk_add_timer(struct request *req)
}
/**
* blk_abort_queue -- Abort all request on given queue
* @queue: pointer to queue
*
*/
void blk_abort_queue(struct request_queue *q)
{
+ struct blk_queue_ctx *ctx;
unsigned long flags;
struct request *rq, *tmp;
LIST_HEAD(list);
+ unsigned int i;
/*
* Not a request based block device, nothing to abort
*/
if (!q->request_fn)
return;
spin_lock_irqsave(q->queue_lock, flags);
elv_abort_queue(q);
/*
* Splice entries to local list, to avoid deadlocking if entries
* get readded to the timeout list by error handling
*/
- list_splice_init(&q->timeout_list, &list);
+ queue_for_each_ctx(q, ctx, i)
+ list_splice_init(&ctx->timeout_list, &list);
list_for_each_entry_safe(rq, tmp, &list, timeout_list)
blk_abort_request(rq);
/*
* Occasionally, blk_abort_request() will return without
* deleting the element from the list. Make sure we add those back
* instead of leaving them on the local stack list.
*/
- list_splice(&list, &q->timeout_list);
+ list_for_each_entry_safe(rq, tmp, &list, timeout_list)
+ list_move_tail(&rq->timeout_list, &ctx->timeout_list);
spin_unlock_irqrestore(q->queue_lock, flags);
}
EXPORT_SYMBOL_GPL(blk_abort_queue);
diff --git a/block/blk.h b/block/blk.h
index d45be87..0cdae8e 100644
--- a/block/blk.h
+++ b/block/blk.h
@@ -1,19 +1,15 @@
#ifndef BLK_INTERNAL_H
#define BLK_INTERNAL_H
#include <linux/idr.h>
-/* Amount of time in which a process may batch requests */
-#define BLK_BATCH_TIME (HZ/50UL)
-
-/* Number of requests a "batching" process may submit */
-#define BLK_BATCH_REQ 32
+#include <linux/blk-mq.h>
extern struct kmem_cache *blk_requestq_cachep;
extern struct kobj_type blk_queue_ktype;
extern struct ida blk_queue_ida;
static inline void __blk_get_queue(struct request_queue *q)
{
kobject_get(&q->kobj);
}
@@ -93,53 +89,55 @@ static inline struct request *__elv_next_request(struct request_queue *q)
q->flush_queue_delayed = 1;
return NULL;
}
if (unlikely(blk_queue_dead(q)) ||
!q->elevator->type->ops.elevator_dispatch_fn(q, 0))
return NULL;
}
}
-static inline void elv_activate_rq(struct request_queue *q, struct request *rq)
+static inline void elv_activate_rq(struct request *rq)
{
+ struct request_queue *q = rq->queue_ctx->queue;
struct elevator_queue *e = q->elevator;
if (e->type->ops.elevator_activate_req_fn)
e->type->ops.elevator_activate_req_fn(q, rq);
}
-static inline void elv_deactivate_rq(struct request_queue *q, struct request *rq)
+static inline void elv_deactivate_rq(struct request *rq)
{
+ struct request_queue *q = rq->queue_ctx->queue;
struct elevator_queue *e = q->elevator;
if (e->type->ops.elevator_deactivate_req_fn)
e->type->ops.elevator_deactivate_req_fn(q, rq);
}
#ifdef CONFIG_FAIL_IO_TIMEOUT
int blk_should_fake_timeout(struct request_queue *);
ssize_t part_timeout_show(struct device *, struct device_attribute *, char *);
ssize_t part_timeout_store(struct device *, struct device_attribute *,
const char *, size_t);
#else
static inline int blk_should_fake_timeout(struct request_queue *q)
{
return 0;
}
#endif
-int ll_back_merge_fn(struct request_queue *q, struct request *req,
+int ll_back_merge_fn(struct blk_queue_ctx *ctx, struct request *req,
struct bio *bio);
-int ll_front_merge_fn(struct request_queue *q, struct request *req,
+int ll_front_merge_fn(struct blk_queue_ctx *ctx, struct request *req,
struct bio *bio);
-int attempt_back_merge(struct request_queue *q, struct request *rq);
-int attempt_front_merge(struct request_queue *q, struct request *rq);
-int blk_attempt_req_merge(struct request_queue *q, struct request *rq,
+int attempt_back_merge(struct blk_queue_ctx *ctx, struct request *rq);
+int attempt_front_merge(struct blk_queue_ctx *ctx, struct request *rq);
+int blk_attempt_req_merge(struct blk_queue_ctx *ctx, struct request *rq,
struct request *next);
void blk_recalc_rq_segments(struct request *rq);
void blk_rq_set_mixed_merge(struct request *rq);
bool blk_rq_merge_ok(struct request *rq, struct bio *bio);
int blk_try_merge(struct request *rq, struct bio *bio);
void blk_queue_congestion_threshold(struct request_queue *q);
int blk_dev_init(void);
diff --git a/block/bsg-lib.c b/block/bsg-lib.c
index 7ad49c8..5d20741 100644
--- a/block/bsg-lib.c
+++ b/block/bsg-lib.c
@@ -16,18 +16,19 @@
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <linux/slab.h>
#include <linux/blkdev.h>
+#include <linux/blk-mq.h>
#include <linux/delay.h>
#include <linux/scatterlist.h>
#include <linux/bsg-lib.h>
#include <linux/export.h>
#include <scsi/scsi_cmnd.h>
/**
* bsg_destroy_job - routine to teardown/delete a bsg job
* @job: bsg_job that is to be torn down
@@ -91,32 +92,32 @@ static int bsg_map_buffer(struct bsg_buffer *buf, struct request *req)
{
size_t sz = (sizeof(struct scatterlist) * req->nr_phys_segments);
BUG_ON(!req->nr_phys_segments);
buf->sg_list = kzalloc(sz, GFP_KERNEL);
if (!buf->sg_list)
return -ENOMEM;
sg_init_table(buf->sg_list, req->nr_phys_segments);
- buf->sg_cnt = blk_rq_map_sg(req->q, req, buf->sg_list);
+ buf->sg_cnt = blk_rq_map_sg(req, buf->sg_list);
buf->payload_len = blk_rq_bytes(req);
return 0;
}
/**
* bsg_create_job - create the bsg_job structure for the bsg request
* @dev: device that is being sent the bsg request
* @req: BSG request that needs a job structure
*/
static int bsg_create_job(struct device *dev, struct request *req)
{
struct request *rsp = req->next_rq;
- struct request_queue *q = req->q;
+ struct request_queue *q = req->queue_ctx->queue;
struct bsg_job *job;
int ret;
BUG_ON(req->special);
job = kzalloc(sizeof(struct bsg_job) + q->bsg_job_size, GFP_KERNEL);
if (!job)
return -ENOMEM;
@@ -264,20 +265,19 @@ void bsg_remove_queue(struct request_queue *q)
blk_stop_queue(q);
/* drain all requests in the queue */
while (1) {
/* need the lock to fetch a request
* this may fetch the same reqeust as the previous pass
*/
req = blk_fetch_request(q);
/* save requests in use and starved */
- counts = q->rq.count[0] + q->rq.count[1] +
- q->rq.starved[0] + q->rq.starved[1];
+ counts = queue_rq_queued(q) + queue_rq_starved(q);
spin_unlock_irq(q->queue_lock);
/* any requests still outstanding? */
if (counts == 0)
break;
/* This may be the same req as the previous iteration,
* always send the blk_end_request_all after a prefetch.
* It is not okay to not end the request because the
* prefetch started the request.
diff --git a/block/elevator.c b/block/elevator.c
index f016855..0b4e907 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -52,23 +52,23 @@ static const int elv_hash_shift = 6;
#define ELV_HASH_ENTRIES (1 << elv_hash_shift)
#define rq_hash_key(rq) (blk_rq_pos(rq) + blk_rq_sectors(rq))
/*
* Query io scheduler to see if the current process issuing bio may be
* merged with rq.
*/
static int elv_iosched_allow_merge(struct request *rq, struct bio *bio)
{
- struct request_queue *q = rq->q;
- struct elevator_queue *e = q->elevator;
+ struct blk_queue_ctx *ctx = rq->queue_ctx;
+ struct elevator_queue *e = ctx->queue->elevator;
if (e->type->ops.elevator_allow_merge_fn)
- return e->type->ops.elevator_allow_merge_fn(q, rq, bio);
+ return e->type->ops.elevator_allow_merge_fn(ctx, rq, bio);
return 1;
}
/*
* can we safely merge with this request?
*/
bool elv_rq_merge_ok(struct request *rq, struct bio *bio)
{
@@ -116,23 +116,47 @@ static struct elevator_type *elevator_get(const char *name)
if (e && !try_module_get(e->elevator_owner))
e = NULL;
spin_unlock(&elv_list_lock);
return e;
}
static int elevator_init_queue(struct request_queue *q,
- struct elevator_queue *eq)
+ struct elevator_queue *eq,
+ unsigned int nr_queues)
{
- eq->elevator_data = eq->type->ops.elevator_init_fn(q);
- if (eq->elevator_data)
- return 0;
+ unsigned int i, j, hash_size;
+ struct blk_queue_ctx *ctx;
+ int ret;
+
+ ret = eq->type->ops.elevator_init_fn(q, nr_queues);
+ if (ret)
+ return ret;
+
+ hash_size = sizeof(struct hlist_head) * ELV_HASH_ENTRIES;
+ queue_for_each_ctx(q, ctx, i) {
+ ctx->hash = kmalloc_node(hash_size, GFP_KERNEL, q->node);
+ if (!ctx->hash)
+ goto err;
+
+ for (j = 0; j < ELV_HASH_ENTRIES; j++)
+ INIT_HLIST_HEAD(&ctx->hash[j]);
+ }
+
+ q->nr_queues = i;
+ return 0;
+err:
+ while (i--) {
+ ctx = blk_get_ctx(q, i);
+ kfree(ctx->hash);
+ }
+
return -ENOMEM;
}
static char chosen_elevator[ELV_NAME_MAX];
static int __init elevator_setup(char *str)
{
/*
* Be backwards-compatible with previous kernels, so users
@@ -144,64 +168,51 @@ static int __init elevator_setup(char *str)
__setup("elevator=", elevator_setup);
static struct kobj_type elv_ktype;
static struct elevator_queue *elevator_alloc(struct request_queue *q,
struct elevator_type *e)
{
struct elevator_queue *eq;
- int i;
eq = kmalloc_node(sizeof(*eq), GFP_KERNEL | __GFP_ZERO, q->node);
- if (unlikely(!eq))
- goto err;
-
- eq->type = e;
- kobject_init(&eq->kobj, &elv_ktype);
- mutex_init(&eq->sysfs_lock);
-
- eq->hash = kmalloc_node(sizeof(struct hlist_head) * ELV_HASH_ENTRIES,
- GFP_KERNEL, q->node);
- if (!eq->hash)
- goto err;
+ if (eq) {
+ eq->type = e;
+ kobject_init(&eq->kobj, &elv_ktype);
+ mutex_init(&eq->sysfs_lock);
- for (i = 0; i < ELV_HASH_ENTRIES; i++)
- INIT_HLIST_HEAD(&eq->hash[i]);
+ return eq;
+ }
- return eq;
-err:
- kfree(eq);
elevator_put(e);
return NULL;
}
static void elevator_release(struct kobject *kobj)
{
struct elevator_queue *e;
e = container_of(kobj, struct elevator_queue, kobj);
elevator_put(e->type);
- kfree(e->hash);
kfree(e);
}
int elevator_init(struct request_queue *q, char *name)
{
struct elevator_type *e = NULL;
struct elevator_queue *eq;
int err;
if (unlikely(q->elevator))
return 0;
INIT_LIST_HEAD(&q->queue_head);
- q->last_merge = NULL;
q->end_sector = 0;
q->boundary_rq = NULL;
if (name) {
e = elevator_get(name);
if (!e)
return -EINVAL;
}
@@ -220,72 +231,81 @@ int elevator_init(struct request_queue *q, char *name)
"Using noop.\n");
e = elevator_get("noop");
}
}
eq = elevator_alloc(q, e);
if (!eq)
return -ENOMEM;
- err = elevator_init_queue(q, eq);
+ err = elevator_init_queue(q, eq, 1);
if (err) {
kobject_put(&eq->kobj);
return err;
}
q->elevator = eq;
return 0;
}
EXPORT_SYMBOL(elevator_init);
-void elevator_exit(struct elevator_queue *e)
+void elevator_exit(struct request_queue *q, struct elevator_queue *e)
{
+ struct blk_queue_ctx *ctx;
+ unsigned int i;
+
mutex_lock(&e->sysfs_lock);
if (e->type->ops.elevator_exit_fn)
- e->type->ops.elevator_exit_fn(e);
+ e->type->ops.elevator_exit_fn(q, e);
mutex_unlock(&e->sysfs_lock);
+ queue_for_each_ctx(q, ctx, i)
+ kfree(ctx->hash);
+
kobject_put(&e->kobj);
}
EXPORT_SYMBOL(elevator_exit);
static inline void __elv_rqhash_del(struct request *rq)
{
+ lockdep_assert_held(&rq->queue_ctx->lock);
hlist_del_init(&rq->hash);
}
-static void elv_rqhash_del(struct request_queue *q, struct request *rq)
+static void elv_rqhash_del(struct request *rq)
{
if (ELV_ON_HASH(rq))
__elv_rqhash_del(rq);
}
-static void elv_rqhash_add(struct request_queue *q, struct request *rq)
+static void elv_rqhash_add(struct blk_queue_ctx *ctx, struct request *rq)
{
- struct elevator_queue *e = q->elevator;
-
+ lockdep_assert_held(&ctx->lock);
BUG_ON(ELV_ON_HASH(rq));
- hlist_add_head(&rq->hash, &e->hash[ELV_HASH_FN(rq_hash_key(rq))]);
+ hlist_add_head(&rq->hash, &ctx->hash[ELV_HASH_FN(rq_hash_key(rq))]);
}
-static void elv_rqhash_reposition(struct request_queue *q, struct request *rq)
+static void elv_rqhash_reposition(struct blk_queue_ctx *ctx, struct request *rq)
{
+ lockdep_assert_held(&ctx->lock);
__elv_rqhash_del(rq);
- elv_rqhash_add(q, rq);
+ elv_rqhash_add(ctx, rq);
}
-static struct request *elv_rqhash_find(struct request_queue *q, sector_t offset)
+static struct request *elv_rqhash_find(struct blk_queue_ctx *ctx,
+ sector_t offset)
{
- struct elevator_queue *e = q->elevator;
- struct hlist_head *hash_list = &e->hash[ELV_HASH_FN(offset)];
+ struct hlist_head *hash_list = &ctx->hash[ELV_HASH_FN(offset)];
struct hlist_node *entry, *next;
struct request *rq;
+ lockdep_assert_held(&ctx->lock);
+
hlist_for_each_entry_safe(rq, entry, next, hash_list, hash) {
BUG_ON(!ELV_ON_HASH(rq));
if (unlikely(!rq_mergeable(rq))) {
__elv_rqhash_del(rq);
continue;
}
if (rq_hash_key(rq) == offset)
@@ -299,35 +319,39 @@ static struct request *elv_rqhash_find(struct request_queue *q, sector_t offset)
* RB-tree support functions for inserting/lookup/removal of requests
* in a sorted RB tree.
*/
void elv_rb_add(struct rb_root *root, struct request *rq)
{
struct rb_node **p = &root->rb_node;
struct rb_node *parent = NULL;
struct request *__rq;
+ lockdep_assert_held(&rq->queue_ctx->lock);
+
while (*p) {
parent = *p;
__rq = rb_entry(parent, struct request, rb_node);
if (blk_rq_pos(rq) < blk_rq_pos(__rq))
p = &(*p)->rb_left;
else if (blk_rq_pos(rq) >= blk_rq_pos(__rq))
p = &(*p)->rb_right;
}
rb_link_node(&rq->rb_node, parent, p);
rb_insert_color(&rq->rb_node, root);
}
EXPORT_SYMBOL(elv_rb_add);
void elv_rb_del(struct rb_root *root, struct request *rq)
{
+ lockdep_assert_held(&rq->queue_ctx->lock);
+
BUG_ON(RB_EMPTY_NODE(&rq->rb_node));
rb_erase(&rq->rb_node, root);
RB_CLEAR_NODE(&rq->rb_node);
}
EXPORT_SYMBOL(elv_rb_del);
struct request *elv_rb_find(struct rb_root *root, sector_t sector)
{
struct rb_node *n = root->rb_node;
@@ -344,33 +368,37 @@ struct request *elv_rb_find(struct rb_root *root, sector_t sector)
return rq;
}
return NULL;
}
EXPORT_SYMBOL(elv_rb_find);
/*
* Insert rq into dispatch queue of q. Queue lock must be held on
- * entry. rq is sort instead into the dispatch queue. To be used by
+ * entry. rq is sort inserted into the dispatch queue. To be used by
* specific elevators.
*/
-void elv_dispatch_sort(struct request_queue *q, struct request *rq)
+void elv_dispatch_sort(struct request_queue *q, struct blk_queue_ctx *ctx,
+ struct request *rq)
{
sector_t boundary;
struct list_head *entry;
int stop_flags;
- if (q->last_merge == rq)
- q->last_merge = NULL;
+ assert_spin_locked(&ctx->lock);
+ assert_spin_locked(&ctx->lock);
- elv_rqhash_del(q, rq);
+ if (ctx->last_merge == rq)
+ ctx->last_merge = NULL;
- q->nr_sorted--;
+ elv_rqhash_del(rq);
+
+ ctx->nr_sorted--;
boundary = q->end_sector;
stop_flags = REQ_SOFTBARRIER | REQ_STARTED;
list_for_each_prev(entry, &q->queue_head) {
struct request *pos = list_entry_rq(entry);
if ((rq->cmd_flags & REQ_DISCARD) !=
(pos->cmd_flags & REQ_DISCARD))
break;
@@ -392,181 +420,206 @@ void elv_dispatch_sort(struct request_queue *q, struct request *rq)
list_add(&rq->queuelist, entry);
}
EXPORT_SYMBOL(elv_dispatch_sort);
/*
* Insert rq into dispatch queue of q. Queue lock must be held on
* entry. rq is added to the back of the dispatch queue. To be used by
* specific elevators.
*/
-void elv_dispatch_add_tail(struct request_queue *q, struct request *rq)
+void elv_dispatch_add_tail(struct request_queue *q, struct blk_queue_ctx *ctx,
+ struct request *rq)
{
- if (q->last_merge == rq)
- q->last_merge = NULL;
+ assert_spin_locked(q->queue_lock);
+ assert_spin_locked(&ctx->lock);
+
+ if (ctx->last_merge == rq)
+ ctx->last_merge = NULL;
- elv_rqhash_del(q, rq);
+ elv_rqhash_del(rq);
- q->nr_sorted--;
+ ctx->nr_sorted--;
q->end_sector = rq_end_sector(rq);
q->boundary_rq = rq;
list_add_tail(&rq->queuelist, &q->queue_head);
}
EXPORT_SYMBOL(elv_dispatch_add_tail);
-int elv_merge(struct request_queue *q, struct request **req, struct bio *bio)
+int elv_merge(struct blk_queue_ctx *ctx, struct request **req, struct bio *bio)
{
+ struct request_queue *q = ctx->queue;
struct elevator_queue *e = q->elevator;
struct request *__rq;
int ret;
+ assert_spin_locked(&ctx->lock);
+
/*
* Levels of merges:
* nomerges: No merges at all attempted
* noxmerges: Only simple one-hit cache try
* merges: All merge tries attempted
*/
if (blk_queue_nomerges(q))
return ELEVATOR_NO_MERGE;
/*
* First try one-hit cache.
*/
- if (q->last_merge && elv_rq_merge_ok(q->last_merge, bio)) {
- ret = blk_try_merge(q->last_merge, bio);
+ if (ctx->last_merge && elv_rq_merge_ok(ctx->last_merge, bio)) {
+ ret = blk_try_merge(ctx->last_merge, bio);
if (ret != ELEVATOR_NO_MERGE) {
- *req = q->last_merge;
+ *req = ctx->last_merge;
return ret;
}
}
if (blk_queue_noxmerges(q))
return ELEVATOR_NO_MERGE;
/*
* See if our hash lookup can find a potential backmerge.
*/
- __rq = elv_rqhash_find(q, bio->bi_sector);
+ __rq = elv_rqhash_find(ctx, bio->bi_sector);
if (__rq && elv_rq_merge_ok(__rq, bio)) {
*req = __rq;
return ELEVATOR_BACK_MERGE;
}
if (e->type->ops.elevator_merge_fn)
- return e->type->ops.elevator_merge_fn(q, req, bio);
+ return e->type->ops.elevator_merge_fn(ctx, req, bio);
return ELEVATOR_NO_MERGE;
}
/*
* Attempt to do an insertion back merge. Only check for the case where
* we can append 'rq' to an existing request, so we can throw 'rq' away
* afterwards.
*
* Returns true if we merged, false otherwise
*/
-static bool elv_attempt_insert_merge(struct request_queue *q,
+static bool elv_attempt_insert_merge(struct blk_queue_ctx *ctx,
struct request *rq)
{
+ struct request_queue *q = ctx->queue;
struct request *__rq;
if (blk_queue_nomerges(q))
return false;
/*
* First try one-hit cache.
*/
- if (q->last_merge && blk_attempt_req_merge(q, q->last_merge, rq))
+ if (ctx->last_merge && blk_attempt_req_merge(ctx, ctx->last_merge, rq))
return true;
if (blk_queue_noxmerges(q))
return false;
/*
* See if our hash lookup can find a potential backmerge.
*/
- __rq = elv_rqhash_find(q, blk_rq_pos(rq));
- if (__rq && blk_attempt_req_merge(q, __rq, rq))
+ __rq = elv_rqhash_find(ctx, blk_rq_pos(rq));
+ if (__rq && blk_attempt_req_merge(ctx, __rq, rq))
return true;
return false;
}
-void elv_merged_request(struct request_queue *q, struct request *rq, int type)
+void elv_merged_request(struct blk_queue_ctx *ctx, struct request *rq, int type)
{
- struct elevator_queue *e = q->elevator;
+ struct elevator_queue *e = ctx->queue->elevator;
+
+ lockdep_assert_held(&ctx->lock);
if (e->type->ops.elevator_merged_fn)
- e->type->ops.elevator_merged_fn(q, rq, type);
+ e->type->ops.elevator_merged_fn(ctx, rq, type);
if (type == ELEVATOR_BACK_MERGE)
- elv_rqhash_reposition(q, rq);
+ elv_rqhash_reposition(ctx, rq);
- q->last_merge = rq;
+ ctx->last_merge = rq;
}
-void elv_merge_requests(struct request_queue *q, struct request *rq,
+void elv_merge_requests(struct blk_queue_ctx *ctx, struct request *rq,
struct request *next)
{
- struct elevator_queue *e = q->elevator;
+ struct elevator_queue *e = ctx->queue->elevator;
const int next_sorted = next->cmd_flags & REQ_SORTED;
+ BUG_ON(rq->queue_ctx != next->queue_ctx);
+ lockdep_assert_held(&ctx->lock);
+
if (next_sorted && e->type->ops.elevator_merge_req_fn)
- e->type->ops.elevator_merge_req_fn(q, rq, next);
+ e->type->ops.elevator_merge_req_fn(ctx, rq, next);
- elv_rqhash_reposition(q, rq);
+ elv_rqhash_reposition(ctx, rq);
if (next_sorted) {
- elv_rqhash_del(q, next);
- q->nr_sorted--;
+ elv_rqhash_del(next);
+ ctx->nr_sorted--;
}
- q->last_merge = rq;
+ ctx->last_merge = rq;
}
-void elv_bio_merged(struct request_queue *q, struct request *rq,
+void elv_bio_merged(struct blk_queue_ctx *ctx, struct request *rq,
struct bio *bio)
{
- struct elevator_queue *e = q->elevator;
+ struct elevator_queue *e = ctx->queue->elevator;
+
+ lockdep_assert_held(&ctx->lock);
if (e->type->ops.elevator_bio_merged_fn)
- e->type->ops.elevator_bio_merged_fn(q, rq, bio);
+ e->type->ops.elevator_bio_merged_fn(ctx, rq, bio);
}
void elv_requeue_request(struct request_queue *q, struct request *rq)
{
/*
* it already went through dequeue, we need to decrement the
* in_flight count again
*/
if (blk_account_rq(rq)) {
- q->in_flight[rq_is_sync(rq)]--;
+ struct blk_queue_ctx *ctx = rq->queue_ctx;
+
+ spin_lock(&ctx->lock);
+ ctx->in_flight[rq_is_sync(rq)]--;
+ spin_unlock(&ctx->lock);
+
if (rq->cmd_flags & REQ_SORTED)
- elv_deactivate_rq(q, rq);
+ elv_deactivate_rq(rq);
}
rq->cmd_flags &= ~REQ_STARTED;
- __elv_add_request(q, rq, ELEVATOR_INSERT_REQUEUE);
+ __elv_add_request(rq, ELEVATOR_INSERT_REQUEUE);
}
void elv_drain_elevator(struct request_queue *q)
{
+ struct blk_queue_ctx *ctx;
static int printed;
+ int nr_sorted, i;
lockdep_assert_held(q->queue_lock);
while (q->elevator->type->ops.elevator_dispatch_fn(q, 1))
;
- if (q->nr_sorted && printed++ < 10) {
+ nr_sorted = 0;
+ queue_for_each_ctx(q, ctx, i)
+ nr_sorted += ctx->nr_sorted;
+ if (nr_sorted && printed++ < 10) {
printk(KERN_ERR "%s: forced dispatching is broken "
"(nr_sorted=%u), please report this\n",
- q->elevator->type->elevator_name, q->nr_sorted);
+ q->elevator->type->elevator_name, nr_sorted);
}
}
void elv_quiesce_start(struct request_queue *q)
{
if (!q->elevator)
return;
spin_lock_irq(q->queue_lock);
@@ -577,139 +630,149 @@ void elv_quiesce_start(struct request_queue *q)
}
void elv_quiesce_end(struct request_queue *q)
{
spin_lock_irq(q->queue_lock);
queue_flag_clear(QUEUE_FLAG_ELVSWITCH, q);
spin_unlock_irq(q->queue_lock);
}
-void __elv_add_request(struct request_queue *q, struct request *rq, int where)
+void __elv_add_request(struct request *rq, int where)
{
+ struct blk_queue_ctx *ctx = rq->queue_ctx;
+ struct request_queue *q = ctx->queue;
+
+ lockdep_assert_held(&ctx->lock);
+
trace_block_rq_insert(q, rq);
- rq->q = q;
+ BUG_ON(ctx != rq->queue_ctx);
if (rq->cmd_flags & REQ_SOFTBARRIER) {
/* barriers are scheduling boundary, update end_sector */
if (rq->cmd_type == REQ_TYPE_FS ||
(rq->cmd_flags & REQ_DISCARD)) {
q->end_sector = rq_end_sector(rq);
q->boundary_rq = rq;
}
} else if (!(rq->cmd_flags & REQ_ELVPRIV) &&
(where == ELEVATOR_INSERT_SORT ||
where == ELEVATOR_INSERT_SORT_MERGE))
where = ELEVATOR_INSERT_BACK;
switch (where) {
case ELEVATOR_INSERT_REQUEUE:
case ELEVATOR_INSERT_FRONT:
rq->cmd_flags |= REQ_SOFTBARRIER;
+ queue_ctx_lock_queue(q, ctx);
list_add(&rq->queuelist, &q->queue_head);
+ queue_ctx_unlock_queue(q, ctx);
break;
case ELEVATOR_INSERT_BACK:
rq->cmd_flags |= REQ_SOFTBARRIER;
+ queue_ctx_lock_queue(q, ctx);
elv_drain_elevator(q);
list_add_tail(&rq->queuelist, &q->queue_head);
/*
* We kick the queue here for the following reasons.
* - The elevator might have returned NULL previously
* to delay requests and returned them now. As the
* queue wasn't empty before this request, ll_rw_blk
* won't run the queue on return, resulting in hang.
* - Usually, back inserted requests won't be merged
* with anything. There's no point in delaying queue
* processing.
*/
__blk_run_queue(q);
+ queue_ctx_unlock_queue(q, ctx);
break;
case ELEVATOR_INSERT_SORT_MERGE:
/*
* If we succeed in merging this request with one in the
* queue already, we are done - rq has now been freed,
* so no need to do anything further.
*/
- if (elv_attempt_insert_merge(q, rq))
+ if (elv_attempt_insert_merge(ctx, rq))
break;
case ELEVATOR_INSERT_SORT:
BUG_ON(rq->cmd_type != REQ_TYPE_FS &&
!(rq->cmd_flags & REQ_DISCARD));
rq->cmd_flags |= REQ_SORTED;
- q->nr_sorted++;
+ ctx->nr_sorted++;
if (rq_mergeable(rq)) {
- elv_rqhash_add(q, rq);
- if (!q->last_merge)
- q->last_merge = rq;
+ elv_rqhash_add(ctx, rq);
+ if (!ctx->last_merge)
+ ctx->last_merge = rq;
}
/*
* Some ioscheds (cfq) run q->request_fn directly, so
* rq cannot be accessed after calling
* elevator_add_req_fn.
*/
- q->elevator->type->ops.elevator_add_req_fn(q, rq);
+ ctx->queue->elevator->type->ops.elevator_add_req_fn(ctx, rq);
break;
case ELEVATOR_INSERT_FLUSH:
rq->cmd_flags |= REQ_SOFTBARRIER;
blk_insert_flush(rq);
break;
default:
printk(KERN_ERR "%s: bad insertion point %d\n",
__func__, where);
BUG();
}
}
EXPORT_SYMBOL(__elv_add_request);
-void elv_add_request(struct request_queue *q, struct request *rq, int where)
+void elv_add_request(struct request *rq, int where)
{
+ struct blk_queue_ctx *ctx = rq->queue_ctx;
unsigned long flags;
- spin_lock_irqsave(q->queue_lock, flags);
- __elv_add_request(q, rq, where);
- spin_unlock_irqrestore(q->queue_lock, flags);
+ spin_lock_irqsave(&ctx->lock, flags);
+ __elv_add_request(rq, where);
+ spin_unlock_irqrestore(&ctx->lock, flags);
}
EXPORT_SYMBOL(elv_add_request);
-struct request *elv_latter_request(struct request_queue *q, struct request *rq)
+struct request *elv_latter_request(struct blk_queue_ctx *ctx, struct request *rq)
{
- struct elevator_queue *e = q->elevator;
+ struct elevator_queue *e = ctx->queue->elevator;
if (e->type->ops.elevator_latter_req_fn)
- return e->type->ops.elevator_latter_req_fn(q, rq);
+ return e->type->ops.elevator_latter_req_fn(ctx, rq);
return NULL;
}
-struct request *elv_former_request(struct request_queue *q, struct request *rq)
+struct request *elv_former_request(struct blk_queue_ctx *ctx, struct request *rq)
{
- struct elevator_queue *e = q->elevator;
+ struct elevator_queue *e = ctx->queue->elevator;
if (e->type->ops.elevator_former_req_fn)
- return e->type->ops.elevator_former_req_fn(q, rq);
+ return e->type->ops.elevator_former_req_fn(ctx, rq);
return NULL;
}
-int elv_set_request(struct request_queue *q, struct request *rq, gfp_t gfp_mask)
+int elv_set_request(struct blk_queue_ctx *ctx, struct request *rq, gfp_t gfp_mask)
{
- struct elevator_queue *e = q->elevator;
+ struct elevator_queue *e = ctx->queue->elevator;
if (e->type->ops.elevator_set_req_fn)
- return e->type->ops.elevator_set_req_fn(q, rq, gfp_mask);
+ return e->type->ops.elevator_set_req_fn(ctx, rq, gfp_mask);
return 0;
}
-void elv_put_request(struct request_queue *q, struct request *rq)
+void elv_put_request(struct blk_queue_ctx *ctx, struct request *rq)
{
- struct elevator_queue *e = q->elevator;
+ struct elevator_queue *e = ctx->queue->elevator;
if (e->type->ops.elevator_put_req_fn)
e->type->ops.elevator_put_req_fn(rq);
}
int elv_may_queue(struct request_queue *q, int rw)
{
struct elevator_queue *e = q->elevator;
@@ -733,30 +796,31 @@ void elv_abort_queue(struct request_queue *q)
* Mark this request as started so we don't trigger
* any debug logic in the end I/O path.
*/
blk_start_request(rq);
__blk_end_request_all(rq, -EIO);
}
}
EXPORT_SYMBOL(elv_abort_queue);
-void elv_completed_request(struct request_queue *q, struct request *rq)
+void elv_completed_request(struct request *rq)
{
- struct elevator_queue *e = q->elevator;
+ struct blk_queue_ctx *ctx = rq->queue_ctx;
+ struct elevator_queue *e = ctx->queue->elevator;
/*
* request is released from the driver, io must be done
*/
if (blk_account_rq(rq)) {
- q->in_flight[rq_is_sync(rq)]--;
+ ctx->in_flight[rq_is_sync(rq)]--;
if ((rq->cmd_flags & REQ_SORTED) &&
e->type->ops.elevator_completed_req_fn)
- e->type->ops.elevator_completed_req_fn(q, rq);
+ e->type->ops.elevator_completed_req_fn(ctx, rq);
}
}
#define to_elv(atr) container_of((atr), struct elv_fs_entry, attr)
static ssize_t
elv_attr_show(struct kobject *kobj, struct attribute *attr, char *page)
{
struct elv_fs_entry *entry = to_elv(attr);
@@ -909,19 +973,19 @@ static int elevator_switch(struct request_queue *q, struct elevator_type *new_e)
{
struct elevator_queue *old_elevator, *e;
int err;
/* allocate new elevator */
e = elevator_alloc(q, new_e);
if (!e)
return -ENOMEM;
- err = elevator_init_queue(q, e);
+ err = elevator_init_queue(q, e, 1);
if (err) {
kobject_put(&e->kobj);
return err;
}
/* turn on BYPASS and drain all requests w/ elevator private data */
elv_quiesce_start(q);
/* unregister old queue, register new one and kill old elevator */
@@ -933,31 +997,31 @@ static int elevator_switch(struct request_queue *q, struct elevator_type *new_e)
}
/* done, clear io_cq's, switch elevators and turn off BYPASS */
spin_lock_irq(q->queue_lock);
ioc_clear_queue(q);
old_elevator = q->elevator;
q->elevator = e;
spin_unlock_irq(q->queue_lock);
- elevator_exit(old_elevator);
+ elevator_exit(q, old_elevator);
elv_quiesce_end(q);
blk_add_trace_msg(q, "elv switch: %s", e->type->elevator_name);
return 0;
fail_register:
/*
* switch failed, exit the new io scheduler and reattach the old
* one again (along with re-adding the sysfs dir)
*/
- elevator_exit(e);
+ elevator_exit(q, e);
elv_register_queue(q);
elv_quiesce_end(q);
return err;
}
/*
* Switch this queue to the given IO scheduler.
*/
@@ -1020,32 +1084,30 @@ ssize_t elv_iosched_show(struct request_queue *q, char *name)
else
len += sprintf(name+len, "%s ", __e->elevator_name);
}
spin_unlock(&elv_list_lock);
len += sprintf(len+name, "\n");
return len;
}
-struct request *elv_rb_former_request(struct request_queue *q,
- struct request *rq)
+struct request *elv_rb_former_request(struct request *rq)
{
struct rb_node *rbprev = rb_prev(&rq->rb_node);
if (rbprev)
return rb_entry_rq(rbprev);
return NULL;
}
EXPORT_SYMBOL(elv_rb_former_request);
-struct request *elv_rb_latter_request(struct request_queue *q,
- struct request *rq)
+struct request *elv_rb_latter_request(struct request *rq)
{
struct rb_node *rbnext = rb_next(&rq->rb_node);
if (rbnext)
return rb_entry_rq(rbnext);
return NULL;
}
EXPORT_SYMBOL(elv_rb_latter_request);
diff --git a/block/noop-iosched.c b/block/noop-iosched.c
index 413a0b1..d36d867 100644
--- a/block/noop-iosched.c
+++ b/block/noop-iosched.c
@@ -1,87 +1,121 @@
/*
* elevator noop
*/
#include <linux/blkdev.h>
+#include <linux/blk-mq.h>
#include <linux/elevator.h>
#include <linux/bio.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/init.h>
struct noop_data {
struct list_head queue;
};
-static void noop_merged_requests(struct request_queue *q, struct request *rq,
+static void noop_merged_requests(struct blk_queue_ctx *ctx, struct request *rq,
struct request *next)
{
+ lockdep_assert_held(&ctx->lock);
list_del_init(&next->queuelist);
}
static int noop_dispatch(struct request_queue *q, int force)
{
- struct noop_data *nd = q->elevator->elevator_data;
+ struct blk_queue_ctx *ctx;
+ struct noop_data *nd;
+ unsigned int i, dispatched = 0;
- if (!list_empty(&nd->queue)) {
+ /*
+ * This obviously needs to me made more clever...
+ */
+ queue_for_each_ctx(q, ctx, i) {
struct request *rq;
+
+ nd = ctx->elevator_data;
+ if (list_empty(&nd->queue))
+ continue;
+
+ spin_lock(&ctx->lock);
rq = list_entry(nd->queue.next, struct request, queuelist);
list_del_init(&rq->queuelist);
- elv_dispatch_sort(q, rq);
- return 1;
+ BUG_ON(rq->queue_ctx != ctx);
+ elv_dispatch_sort(q, ctx, rq);
+ spin_unlock(&ctx->lock);
+ dispatched++;
}
- return 0;
+
+ return dispatched;
}
-static void noop_add_request(struct request_queue *q, struct request *rq)
+static void noop_add_request(struct blk_queue_ctx *ctx, struct request *rq)
{
- struct noop_data *nd = q->elevator->elevator_data;
+ struct noop_data *nd = ctx->elevator_data;
+ lockdep_assert_held(&ctx->lock);
list_add_tail(&rq->queuelist, &nd->queue);
}
static struct request *
-noop_former_request(struct request_queue *q, struct request *rq)
+noop_former_request(struct blk_queue_ctx *ctx, struct request *rq)
{
- struct noop_data *nd = q->elevator->elevator_data;
+ struct noop_data *nd = ctx->elevator_data;
if (rq->queuelist.prev == &nd->queue)
return NULL;
return list_entry(rq->queuelist.prev, struct request, queuelist);
}
static struct request *
-noop_latter_request(struct request_queue *q, struct request *rq)
+noop_latter_request(struct blk_queue_ctx *ctx, struct request *rq)
{
- struct noop_data *nd = q->elevator->elevator_data;
+ struct noop_data *nd = ctx->elevator_data;
if (rq->queuelist.next == &nd->queue)
return NULL;
return list_entry(rq->queuelist.next, struct request, queuelist);
}
-static void *noop_init_queue(struct request_queue *q)
+static int noop_init_queue(struct request_queue *q, unsigned int nr_queues)
{
struct noop_data *nd;
+ unsigned int i;
- nd = kmalloc_node(sizeof(*nd), GFP_KERNEL, q->node);
- if (!nd)
- return NULL;
- INIT_LIST_HEAD(&nd->queue);
- return nd;
+ for (i = 0; i < nr_queues; i++) {
+ nd = kmalloc_node(sizeof(*nd), GFP_KERNEL, q->node);
+ if (!nd)
+ goto cleanup;
+
+ INIT_LIST_HEAD(&nd->queue);
+ blk_get_ctx(q, i)->elevator_data = nd;
+ }
+
+ return 0;
+
+cleanup:
+ while (i--)
+ kfree(blk_get_ctx(q, i)->elevator_data);
+
+ return -ENOMEM;
}
-static void noop_exit_queue(struct elevator_queue *e)
+static void noop_exit_queue(struct request_queue *q, struct elevator_queue *e)
{
- struct noop_data *nd = e->elevator_data;
+ struct blk_queue_ctx *ctx;
+ unsigned int i;
+
+ queue_for_each_ctx(q, ctx, i) {
+ struct noop_data *nd = ctx->elevator_data;
- BUG_ON(!list_empty(&nd->queue));
- kfree(nd);
+ BUG_ON(!list_empty(&nd->queue));
+ kfree(nd);
+ }
}
static struct elevator_type elevator_noop = {
.ops = {
.elevator_merge_req_fn = noop_merged_requests,
.elevator_dispatch_fn = noop_dispatch,
.elevator_add_req_fn = noop_add_request,
.elevator_former_req_fn = noop_former_request,
.elevator_latter_req_fn = noop_latter_request,
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 061427a..7d07b44 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -9,18 +9,19 @@
*
* This file is released under GPLv2 or later.
*
* (part of code stolen from loop.c)
*/
#include <linux/major.h>
#include <linux/blkdev.h>
+#include <linux/blk-mq.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/sched.h>
#include <linux/fs.h>
#include <linux/bio.h>
#include <linux/stat.h>
#include <linux/errno.h>
#include <linux/file.h>
#include <linux/ioctl.h>
@@ -98,19 +99,19 @@ static const char *nbdcmd_to_ascii(int cmd)
case NBD_CMD_DISC: return "disconnect";
}
return "invalid";
}
#endif /* NDEBUG */
static void nbd_end_request(struct request *req)
{
int error = req->errors ? -EIO : 0;
- struct request_queue *q = req->q;
+ struct request_queue *q = req->queue_ctx->queue;
unsigned long flags;
dprintk(DBG_BLKDEV, "%s: request %p: %s\n", req->rq_disk->disk_name,
req, error ? "failed" : "done");
spin_lock_irqsave(q->queue_lock, flags);
__blk_end_request_all(req, error);
spin_unlock_irqrestore(q->queue_lock, flags);
}
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 0d39f2f..0894e14 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -152,19 +152,19 @@ static bool do_req(struct request_queue *q, struct virtio_blk *vblk,
/*
* If this is a packet command we need a couple of additional headers.
* Behind the normal outhdr we put a segment with the scsi command
* block, and before the normal inhdr we put the sense data and the
* inhdr with additional status information before the normal inhdr.
*/
if (vbr->req->cmd_type == REQ_TYPE_BLOCK_PC)
sg_set_buf(&vblk->sg[out++], vbr->req->cmd, vbr->req->cmd_len);
- num = blk_rq_map_sg(q, vbr->req, vblk->sg + out);
+ num = blk_rq_map_sg(vbr->req, vblk->sg + out);
if (vbr->req->cmd_type == REQ_TYPE_BLOCK_PC) {
sg_set_buf(&vblk->sg[num + out + in++], vbr->req->sense, SCSI_SENSE_BUFFERSIZE);
sg_set_buf(&vblk->sg[num + out + in++], &vbr->in_hdr,
sizeof(vbr->in_hdr));
}
sg_set_buf(&vblk->sg[num + out + in++], &vbr->status,
sizeof(vbr->status));
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index e24143c..b41345b 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -13,18 +13,19 @@
#include <linux/mutex.h>
#include <linux/moduleparam.h>
#include <linux/blkpg.h>
#include <linux/bio.h>
#include <linux/mempool.h>
#include <linux/slab.h>
#include <linux/idr.h>
#include <linux/hdreg.h>
#include <linux/delay.h>
+#include <linux/blk-mq.h>
#include <trace/events/block.h>
#define DM_MSG_PREFIX "core"
#ifdef CONFIG_PRINTK
/*
* ratelimit state to be used in DMXXX_LIMIT().
*/
@@ -813,19 +814,19 @@ static void dm_unprep_request(struct request *rq)
/*
* Requeue the original request of a clone.
*/
void dm_requeue_unmapped_request(struct request *clone)
{
int rw = rq_data_dir(clone);
struct dm_rq_target_io *tio = clone->end_io_data;
struct mapped_device *md = tio->md;
struct request *rq = tio->orig;
- struct request_queue *q = rq->q;
+ struct request_queue *q = rq->queue_ctx->queue;
unsigned long flags;
dm_unprep_request(rq);
spin_lock_irqsave(q->queue_lock, flags);
blk_requeue_request(q, rq);
spin_unlock_irqrestore(q->queue_lock, flags);
rq_completed(md, rw, 0);
@@ -935,19 +936,19 @@ EXPORT_SYMBOL_GPL(dm_kill_unmapped_request);
*/
static void end_clone_request(struct request *clone, int error)
{
/*
* For just cleaning up the information of the queue in which
* the clone was dispatched.
* The clone is *NOT* freed actually here because it is alloced from
* dm own mempool and REQ_ALLOCED isn't set in clone->cmd_flags.
*/
- __blk_put_request(clone->q, clone);
+ __blk_put_request(clone);
/*
* Actual request completion is done in a softirq context which doesn't
* hold the queue lock. Otherwise, deadlock could occur because:
* - another request may be submitted by the upper level driver
* of the stacking during the completion
* - the submission which requires queue lock may be done
* against this queue
*/
@@ -1442,23 +1443,23 @@ static void dm_request(struct request_queue *q, struct bio *bio)
blk_queue_bio(q, bio);
else
_dm_request(q, bio);
}
void dm_dispatch_request(struct request *rq)
{
int r;
- if (blk_queue_io_stat(rq->q))
+ if (blk_queue_io_stat(rq->queue_ctx->queue))
rq->cmd_flags |= REQ_IO_STAT;
rq->start_time = jiffies;
- r = blk_insert_cloned_request(rq->q, rq);
+ r = blk_insert_cloned_request(rq->queue_ctx->queue, rq);
if (r)
dm_complete_request(rq, r);
}
EXPORT_SYMBOL_GPL(dm_dispatch_request);
static void dm_rq_bio_destructor(struct bio *bio)
{
struct dm_rq_clone_bio_info *info = bio->bi_private;
struct mapped_device *md = info->tio->md;
@@ -1577,19 +1578,19 @@ static int map_request(struct dm_target *ti, struct request *clone,
tio->ti = ti;
r = ti->type->map_rq(ti, clone, &tio->info);
switch (r) {
case DM_MAPIO_SUBMITTED:
/* The target has taken the I/O to submit by itself later */
break;
case DM_MAPIO_REMAPPED:
/* The target has remapped the I/O so dispatch it */
- trace_block_rq_remap(clone->q, clone, disk_devt(dm_disk(md)),
+ trace_block_rq_remap(clone->queue_ctx->queue, clone, disk_devt(dm_disk(md)),
blk_rq_pos(tio->orig));
dm_dispatch_request(clone);
break;
case DM_MAPIO_REQUEUE:
/* The target wants to requeue the I/O */
dm_requeue_unmapped_request(clone);
requeued = 1;
break;
default:
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index 386f0c5..f4765eb 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -1594,19 +1594,19 @@ int scsi_decide_disposition(struct scsi_cmnd *scmd)
/*
* no more retries - report this one back to upper level.
*/
return SUCCESS;
}
}
static void eh_lock_door_done(struct request *req, int uptodate)
{
- __blk_put_request(req->q, req);
+ __blk_put_request(req);
}
/**
* scsi_eh_lock_door - Prevent medium removal for the specified device
* @sdev: SCSI device to prevent medium removal
*
* Locking:
* We must be called from process context.
*
@@ -1632,19 +1632,20 @@ static void scsi_eh_lock_door(struct scsi_device *sdev)
req->cmd[5] = 0;
req->cmd_len = COMMAND_SIZE(req->cmd[0]);
req->cmd_type = REQ_TYPE_BLOCK_PC;
req->cmd_flags |= REQ_QUIET;
req->timeout = 10 * HZ;
req->retries = 5;
- blk_execute_rq_nowait(req->q, NULL, req, 1, eh_lock_door_done);
+ blk_execute_rq_nowait(sdev->request_queue, NULL, req, 1,
+ eh_lock_door_done);
}
/**
* scsi_restart_operations - restart io operations to the specified host.
* @shost: Host we are restarting.
*
* Notes:
* When we entered the error handler, we blocked all further i/o to
* this device. we need to 'reverse' this process.
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index ead6405..b3fa509 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -228,19 +228,19 @@ int scsi_execute(struct scsi_device *sdev, const unsigned char *cmd,
req->sense_len = 0;
req->retries = retries;
req->timeout = timeout;
req->cmd_type = REQ_TYPE_BLOCK_PC;
req->cmd_flags |= flags | REQ_QUIET | REQ_PREEMPT;
/*
* head injection *required* here otherwise quiesce won't work
*/
- blk_execute_rq(req->q, NULL, req, 1);
+ blk_execute_rq(sdev->request_queue, NULL, req, 1);
/*
* Some devices (USB mass-storage in particular) may transfer
* garbage data together with a residue indicating that the data
* is invalid. Prevent the garbage from being misinterpreted
* and prevent security leaks by zeroing out the excess data.
*/
if (unlikely(req->resid_len > 0 && req->resid_len <= bufflen))
memset(buffer + (bufflen - req->resid_len), 0, req->resid_len);
@@ -980,19 +980,19 @@ static int scsi_init_sgtable(struct request *req, struct scsi_data_buffer *sdb,
return BLKPREP_DEFER;
}
req->buffer = NULL;
/*
* Next, walk the list, and fill in the addresses and sizes of
* each segment.
*/
- count = blk_rq_map_sg(req->q, req, sdb->table.sgl);
+ count = blk_rq_map_sg(req, sdb->table.sgl);
BUG_ON(count > sdb->table.nents);
sdb->table.nents = count;
sdb->length = blk_rq_bytes(req);
return BLKPREP_OK;
}
/*
* Function: scsi_init_io()
*
@@ -1022,32 +1022,33 @@ int scsi_init_io(struct scsi_cmnd *cmd, gfp_t gfp_mask)
rq->next_rq->special = bidi_sdb;
error = scsi_init_sgtable(rq->next_rq, bidi_sdb, GFP_ATOMIC);
if (error)
goto err_exit;
}
if (blk_integrity_rq(rq)) {
struct scsi_data_buffer *prot_sdb = cmd->prot_sdb;
+ struct request_queue *q = rq->queue_ctx->queue;
int ivecs, count;
BUG_ON(prot_sdb == NULL);
- ivecs = blk_rq_count_integrity_sg(rq->q, rq->bio);
+ ivecs = blk_rq_count_integrity_sg(q, rq->bio);
if (scsi_alloc_sgtable(prot_sdb, ivecs, gfp_mask)) {
error = BLKPREP_DEFER;
goto err_exit;
}
- count = blk_rq_map_integrity_sg(rq->q, rq->bio,
+ count = blk_rq_map_integrity_sg(q, rq->bio,
prot_sdb->table.sgl);
BUG_ON(unlikely(count > ivecs));
- BUG_ON(unlikely(count > queue_max_integrity_segments(rq->q)));
+ BUG_ON(unlikely(count > queue_max_integrity_segments(q)));
cmd->prot_sdb = prot_sdb;
cmd->prot_sdb->table.nents = count;
}
return BLKPREP_OK ;
err_exit:
scsi_release_buffers(cmd);
diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c
index 80fbe2a..d32564a 100644
--- a/drivers/scsi/scsi_transport_fc.c
+++ b/drivers/scsi/scsi_transport_fc.c
@@ -3657,26 +3657,27 @@ fc_bsg_job_timeout(struct request *req)
return BLK_EH_NOT_HANDLED;
else
return BLK_EH_HANDLED;
}
static int
fc_bsg_map_buffer(struct fc_bsg_buffer *buf, struct request *req)
{
size_t sz = (sizeof(struct scatterlist) * req->nr_phys_segments);
+ struct request_queue *q = req->queue_ctx->queue;
BUG_ON(!req->nr_phys_segments);
buf->sg_list = kzalloc(sz, GFP_KERNEL);
if (!buf->sg_list)
return -ENOMEM;
sg_init_table(buf->sg_list, req->nr_phys_segments);
- buf->sg_cnt = blk_rq_map_sg(req->q, req, buf->sg_list);
+ buf->sg_cnt = blk_rq_map_sg(q, req, buf->sg_list);
buf->payload_len = blk_rq_bytes(req);
return 0;
}
/**
* fc_req_to_bsgjob - Allocate/create the fc_bsg_job structure for the
* bsg request
* @shost: SCSI Host corresponding to the bsg object
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
new file mode 100644
index 0000000..a6f6ae4
--- /dev/null
+++ b/include/linux/blk-mq.h
@@ -0,0 +1,97 @@
+#ifndef BLK_MQ_H
+#define BLK_MQ_H
+
+#include <linux/blkdev.h>
+
+struct request_list {
+ /*
+ * count[], starved[], and wait[] are indexed by
+ * BLK_RW_SYNC/BLK_RW_ASYNC
+ */
+ int count[2];
+ int starved[2];
+ int elvpriv;
+ wait_queue_head_t wait[2];
+};
+
+struct blk_queue_ctx {
+ spinlock_t lock;
+ void *elevator_data;
+ struct request_queue *queue;
+ struct hlist_head *hash;
+
+ struct request *last_merge;
+
+ /*
+ * the queue request freelist, one for reads and one for writes
+ */
+ struct request_list rl;
+
+ unsigned int nr_sorted;
+ unsigned int in_flight[2];
+
+ struct list_head timeout_list;
+};
+
+
+static inline struct blk_queue_ctx *blk_get_ctx(struct request_queue *q, int nr)
+{
+ BUG_ON(nr >= q->nr_queues);
+
+ return &q->queue_ctx[nr];
+}
+
+#define queue_for_each_ctx(q, ctx, i) \
+ for (i = 0, ctx = &(q)->queue_ctx[0]; \
+ i < (q)->nr_queues; i++, ctx++) \
+
+#define blk_ctx_sum(q, sum) \
+({ \
+ struct blk_queue_ctx *__ctx; \
+ unsigned int __ret = 0, __i; \
+ \
+ queue_for_each_ctx((q), __ctx, __i) \
+ __ret += sum; \
+ __ret; \
+})
+
+static inline int __queue_in_flight(struct request_queue *q, int index)
+{
+ return blk_ctx_sum(q, __ctx->in_flight[index]);
+}
+
+static inline int queue_in_flight(struct request_queue *q)
+{
+ return blk_ctx_sum(q, __ctx->in_flight[0] + __ctx->in_flight[1]);
+}
+
+static inline int queue_rq_queued(struct request_queue *q)
+{
+ return blk_ctx_sum(q, __ctx->rl.count[0] + __ctx->rl.count[1]);
+}
+
+static inline int queue_rq_starved(struct request_queue *q)
+{
+ return blk_ctx_sum(q, __ctx->rl.starved[0] + __ctx->rl.starved[1]);
+}
+
+static inline int queue_elvpriv(struct request_queue *q)
+{
+ return blk_ctx_sum(q, __ctx->rl.elvpriv);
+}
+
+static inline void queue_ctx_lock_queue(struct request_queue *q,
+ struct blk_queue_ctx *ctx)
+{
+ spin_unlock(&ctx->lock);
+ spin_lock(q->queue_lock);
+}
+
+static inline void queue_ctx_unlock_queue(struct request_queue *q,
+ struct blk_queue_ctx *ctx)
+{
+ spin_unlock(q->queue_lock);
+ spin_lock(&ctx->lock);
+}
+
+#endif
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 2aa2466..6a3ab7a 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -32,30 +32,18 @@ struct request;
struct sg_io_hdr;
struct bsg_job;
#define BLKDEV_MIN_RQ 4
#define BLKDEV_MAX_RQ 128 /* Default maximum */
struct request;
typedef void (rq_end_io_fn)(struct request *, int);
-struct request_list {
- /*
- * count[], starved[], and wait[] are indexed by
- * BLK_RW_SYNC/BLK_RW_ASYNC
- */
- int count[2];
- int starved[2];
- int elvpriv;
- mempool_t *rq_pool;
- wait_queue_head_t wait[2];
-};
-
/*
* request command types
*/
enum rq_cmd_type_bits {
REQ_TYPE_FS = 1, /* fs request */
REQ_TYPE_BLOCK_PC, /* scsi command */
REQ_TYPE_SENSE, /* sense request */
REQ_TYPE_PM_SUSPEND, /* suspend request */
REQ_TYPE_PM_RESUME, /* resume request */
@@ -75,19 +63,19 @@ enum rq_cmd_type_bits {
/*
* try to put the fields that are referenced together in the same cacheline.
* if you modify this structure, be sure to check block/blk-core.c:blk_rq_init()
* as well!
*/
struct request {
struct list_head queuelist;
struct call_single_data csd;
- struct request_queue *q;
+ struct blk_queue_ctx *queue_ctx;
unsigned int cmd_flags;
enum rq_cmd_type_bits cmd_type;
unsigned long atomic_flags;
int cpu;
/* the following two fields are internal, NEVER access directly */
unsigned int __data_len; /* total data len */
@@ -266,25 +254,24 @@ struct queue_limits {
unsigned char cluster;
unsigned char discard_zeroes_data;
};
struct request_queue {
/*
* Together with queue_head for cacheline sharing
*/
struct list_head queue_head;
- struct request *last_merge;
struct elevator_queue *elevator;
- /*
- * the queue request freelist, one for reads and one for writes
- */
- struct request_list rq;
+ struct blk_queue_ctx *queue_ctx;
+ unsigned int nr_queues;
+
+ mempool_t *rq_pool;
request_fn_proc *request_fn;
make_request_fn *make_request_fn;
prep_rq_fn *prep_rq_fn;
unprep_rq_fn *unprep_rq_fn;
merge_bvec_fn *merge_bvec_fn;
softirq_done_fn *softirq_done_fn;
rq_timed_out_fn *rq_timed_out_fn;
dma_drain_needed_fn *dma_drain_needed;
@@ -338,34 +325,29 @@ struct request_queue {
*/
struct kobject kobj;
/*
* queue settings
*/
unsigned long nr_requests; /* Max # of requests */
unsigned int nr_congestion_on;
unsigned int nr_congestion_off;
- unsigned int nr_batching;
unsigned int dma_drain_size;
void *dma_drain_buffer;
unsigned int dma_pad_mask;
unsigned int dma_alignment;
struct blk_queue_tag *queue_tags;
struct list_head tag_busy_list;
- unsigned int nr_sorted;
- unsigned int in_flight[2];
-
unsigned int rq_timeout;
struct timer_list timeout;
- struct list_head timeout_list;
struct list_head icq_list;
struct queue_limits limits;
/*
* sg stuff
*/
unsigned int sg_timeout;
@@ -470,23 +452,18 @@ static inline void queue_flag_set(unsigned int flag, struct request_queue *q)
__set_bit(flag, &q->queue_flags);
}
static inline void queue_flag_clear_unlocked(unsigned int flag,
struct request_queue *q)
{
__clear_bit(flag, &q->queue_flags);
}
-static inline int queue_in_flight(struct request_queue *q)
-{
- return q->in_flight[0] + q->in_flight[1];
-}
-
static inline void queue_flag_clear(unsigned int flag, struct request_queue *q)
{
queue_lockdep_assert_held(q);
__clear_bit(flag, &q->queue_flags);
}
#define blk_queue_tagged(q) test_bit(QUEUE_FLAG_QUEUED, &(q)->queue_flags)
#define blk_queue_stopped(q) test_bit(QUEUE_FLAG_STOPPED, &(q)->queue_flags)
#define blk_queue_dead(q) test_bit(QUEUE_FLAG_DEAD, &(q)->queue_flags)
@@ -657,21 +634,21 @@ extern void rq_flush_dcache_pages(struct request *rq);
#else
static inline void rq_flush_dcache_pages(struct request *rq)
{
}
#endif
extern int blk_register_queue(struct gendisk *disk);
extern void blk_unregister_queue(struct gendisk *disk);
extern void generic_make_request(struct bio *bio);
-extern void blk_rq_init(struct request_queue *q, struct request *rq);
+extern void blk_rq_init(struct blk_queue_ctx *ctx, struct request *rq);
extern void blk_put_request(struct request *);
-extern void __blk_put_request(struct request_queue *, struct request *);
+extern void __blk_put_request(struct request *);
extern struct request *blk_get_request(struct request_queue *, int, gfp_t);
extern struct request *blk_make_request(struct request_queue *, struct bio *,
gfp_t);
extern void blk_requeue_request(struct request_queue *, struct request *);
extern void blk_add_request_payload(struct request *rq, struct page *page,
unsigned int len);
extern int blk_rq_check_limits(struct request_queue *q, struct request *rq);
extern int blk_lld_busy(struct request_queue *q);
extern int blk_rq_prep_clone(struct request *rq, struct request *rq_src,
@@ -809,19 +786,20 @@ extern void blk_complete_request(struct request *);
extern void __blk_complete_request(struct request *);
extern void blk_abort_request(struct request *);
extern void blk_abort_queue(struct request_queue *);
extern void blk_unprep_request(struct request *);
/*
* Access functions for manipulating queue properties
*/
extern struct request_queue *blk_init_queue_node(request_fn_proc *rfn,
- spinlock_t *lock, int node_id);
+ spinlock_t *lock, int node_id,
+ unsigned int nr_queues);
extern struct request_queue *blk_init_queue(request_fn_proc *, spinlock_t *);
extern struct request_queue *blk_init_allocated_queue(struct request_queue *,
request_fn_proc *, spinlock_t *);
extern void blk_cleanup_queue(struct request_queue *);
extern void blk_queue_make_request(struct request_queue *, make_request_fn *);
extern void blk_queue_bounce_limit(struct request_queue *, u64);
extern void blk_limits_max_hw_sectors(struct queue_limits *, unsigned int);
extern void blk_queue_max_hw_sectors(struct request_queue *, unsigned int);
extern void blk_queue_max_segments(struct request_queue *, unsigned short);
@@ -858,25 +836,25 @@ extern void blk_queue_merge_bvec(struct request_queue *, merge_bvec_fn *);
extern void blk_queue_dma_alignment(struct request_queue *, int);
extern void blk_queue_update_dma_alignment(struct request_queue *, int);
extern void blk_queue_softirq_done(struct request_queue *, softirq_done_fn *);
extern void blk_queue_rq_timed_out(struct request_queue *, rq_timed_out_fn *);
extern void blk_queue_rq_timeout(struct request_queue *, unsigned int);
extern void blk_queue_flush(struct request_queue *q, unsigned int flush);
extern void blk_queue_flush_queueable(struct request_queue *q, bool queueable);
extern struct backing_dev_info *blk_get_backing_dev_info(struct block_device *bdev);
-extern int blk_rq_map_sg(struct request_queue *, struct request *, struct scatterlist *);
+extern int blk_rq_map_sg(struct request *, struct scatterlist *);
extern void blk_dump_rq_flags(struct request *, char *);
extern long nr_blockdev_pages(void);
bool __must_check blk_get_queue(struct request_queue *);
struct request_queue *blk_alloc_queue(gfp_t);
-struct request_queue *blk_alloc_queue_node(gfp_t, int);
+struct request_queue *blk_alloc_queue_node(gfp_t, int, unsigned int);
extern void blk_put_queue(struct request_queue *);
/*
* blk_plug permits building a queue of related requests by holding the I/O
* fragments for a short period. This allows merging of sequential requests
* into single larger request. As the requests are moved from a per-task list to
* the device's request_queue in a batch, this results in improved scalability
* as the lock contention for request_queue lock is reduced.
*
diff --git a/include/linux/elevator.h b/include/linux/elevator.h
index 7d4e035..6bb2096 100644
--- a/include/linux/elevator.h
+++ b/include/linux/elevator.h
@@ -1,46 +1,47 @@
#ifndef _LINUX_ELEVATOR_H
#define _LINUX_ELEVATOR_H
#include <linux/percpu.h>
#ifdef CONFIG_BLOCK
struct io_cq;
+struct blk_queue_ctx;
-typedef int (elevator_merge_fn) (struct request_queue *, struct request **,
+typedef int (elevator_merge_fn) (struct blk_queue_ctx *, struct request **,
struct bio *);
-typedef void (elevator_merge_req_fn) (struct request_queue *, struct request *, struct request *);
+typedef void (elevator_merge_req_fn) (struct blk_queue_ctx *, struct request *, struct request *);
-typedef void (elevator_merged_fn) (struct request_queue *, struct request *, int);
+typedef void (elevator_merged_fn) (struct blk_queue_ctx *, struct request *, int);
-typedef int (elevator_allow_merge_fn) (struct request_queue *, struct request *, struct bio *);
+typedef int (elevator_allow_merge_fn) (struct blk_queue_ctx *, struct request *, struct bio *);
-typedef void (elevator_bio_merged_fn) (struct request_queue *,
+typedef void (elevator_bio_merged_fn) (struct blk_queue_ctx *,
struct request *, struct bio *);
typedef int (elevator_dispatch_fn) (struct request_queue *, int);
-typedef void (elevator_add_req_fn) (struct request_queue *, struct request *);
-typedef struct request *(elevator_request_list_fn) (struct request_queue *, struct request *);
-typedef void (elevator_completed_req_fn) (struct request_queue *, struct request *);
+typedef void (elevator_add_req_fn) (struct blk_queue_ctx *, struct request *);
+typedef struct request *(elevator_request_list_fn) (struct blk_queue_ctx *, struct request *);
+typedef void (elevator_completed_req_fn) (struct blk_queue_ctx *, struct request *);
typedef int (elevator_may_queue_fn) (struct request_queue *, int);
typedef void (elevator_init_icq_fn) (struct io_cq *);
typedef void (elevator_exit_icq_fn) (struct io_cq *);
-typedef int (elevator_set_req_fn) (struct request_queue *, struct request *, gfp_t);
+typedef int (elevator_set_req_fn) (struct blk_queue_ctx *, struct request *, gfp_t);
typedef void (elevator_put_req_fn) (struct request *);
typedef void (elevator_activate_req_fn) (struct request_queue *, struct request *);
typedef void (elevator_deactivate_req_fn) (struct request_queue *, struct request *);
-typedef void *(elevator_init_fn) (struct request_queue *);
-typedef void (elevator_exit_fn) (struct elevator_queue *);
+typedef int (elevator_init_fn) (struct request_queue *, unsigned int);
+typedef void (elevator_exit_fn) (struct request_queue *, struct elevator_queue *);
struct elevator_ops
{
elevator_merge_fn *elevator_merge_fn;
elevator_merged_fn *elevator_merged_fn;
elevator_merge_req_fn *elevator_merge_req_fn;
elevator_allow_merge_fn *elevator_allow_merge_fn;
elevator_bio_merged_fn *elevator_bio_merged_fn;
@@ -95,72 +96,71 @@ struct elevator_type
struct list_head list;
};
/*
* each queue has an elevator_queue associated with it
*/
struct elevator_queue
{
struct elevator_type *type;
- void *elevator_data;
struct kobject kobj;
struct mutex sysfs_lock;
- struct hlist_head *hash;
unsigned int registered:1;
};
/*
* block elevator interface
*/
-extern void elv_dispatch_sort(struct request_queue *, struct request *);
-extern void elv_dispatch_add_tail(struct request_queue *, struct request *);
-extern void elv_add_request(struct request_queue *, struct request *, int);
-extern void __elv_add_request(struct request_queue *, struct request *, int);
-extern int elv_merge(struct request_queue *, struct request **, struct bio *);
-extern void elv_merge_requests(struct request_queue *, struct request *,
+extern void elv_dispatch_sort(struct request_queue *, struct blk_queue_ctx *, struct request *);
+extern void elv_dispatch_add_tail(struct request_queue *, struct blk_queue_ctx *, struct request *);
+extern void elv_add_request(struct request *, int);
+extern void __elv_add_request(struct request *, int);
+extern void elv_insert(struct request *, int);
+extern int elv_merge(struct blk_queue_ctx *, struct request **, struct bio *);
+extern void elv_merge_requests(struct blk_queue_ctx *, struct request *,
struct request *);
-extern void elv_merged_request(struct request_queue *, struct request *, int);
-extern void elv_bio_merged(struct request_queue *q, struct request *,
+extern void elv_merged_request(struct blk_queue_ctx *, struct request *, int);
+extern void elv_bio_merged(struct blk_queue_ctx *q, struct request *,
struct bio *);
extern void elv_requeue_request(struct request_queue *, struct request *);
-extern struct request *elv_former_request(struct request_queue *, struct request *);
-extern struct request *elv_latter_request(struct request_queue *, struct request *);
+extern struct request *elv_former_request(struct blk_queue_ctx *, struct request *);
+extern struct request *elv_latter_request(struct blk_queue_ctx *, struct request *);
extern int elv_register_queue(struct request_queue *q);
extern void elv_unregister_queue(struct request_queue *q);
extern int elv_may_queue(struct request_queue *, int);
extern void elv_abort_queue(struct request_queue *);
-extern void elv_completed_request(struct request_queue *, struct request *);
-extern int elv_set_request(struct request_queue *, struct request *, gfp_t);
-extern void elv_put_request(struct request_queue *, struct request *);
+extern void elv_completed_request(struct request *);
+extern int elv_set_request(struct blk_queue_ctx *, struct request *, gfp_t);
+extern void elv_put_request(struct blk_queue_ctx *, struct request *);
extern void elv_drain_elevator(struct request_queue *);
/*
* io scheduler registration
*/
extern int elv_register(struct elevator_type *);
extern void elv_unregister(struct elevator_type *);
/*
* io scheduler sysfs switching
*/
extern ssize_t elv_iosched_show(struct request_queue *, char *);
extern ssize_t elv_iosched_store(struct request_queue *, const char *, size_t);
extern int elevator_init(struct request_queue *, char *);
-extern void elevator_exit(struct elevator_queue *);
+extern void elevator_exit(struct request_queue *, struct elevator_queue *);
extern int elevator_change(struct request_queue *, const char *);
extern bool elv_rq_merge_ok(struct request *, struct bio *);
/*
* Helper functions.
*/
-extern struct request *elv_rb_former_request(struct request_queue *, struct request *);
-extern struct request *elv_rb_latter_request(struct request_queue *, struct request *);
+extern struct request *elv_rb_former_request(struct request *);
+extern struct request *elv_rb_latter_request(struct request *);
/*
* rb support functions.
*/
extern void elv_rb_add(struct rb_root *, struct request *);
extern void elv_rb_del(struct rb_root *, struct request *);
extern struct request *elv_rb_find(struct rb_root *, sector_t);
/*
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index 6efb2e1..279c887 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -1,16 +1,17 @@
#ifndef _SCSI_SCSI_DEVICE_H
#define _SCSI_SCSI_DEVICE_H
#include <linux/list.h>
#include <linux/spinlock.h>
#include <linux/workqueue.h>
#include <linux/blkdev.h>
+#include <linux/blk-mq.h>
#include <scsi/scsi.h>
#include <linux/atomic.h>
struct device;
struct request_queue;
struct scsi_cmnd;
struct scsi_lun;
struct scsi_sense_hdr;
--
1.7.10
[-- Attachment #3: .config --]
[-- Type: text/plain, Size: 134909 bytes --]
#
# Automatically generated file; DO NOT EDIT.
# Linux/x86_64 3.4.0-rc3 Kernel Configuration
#
CONFIG_64BIT=y
# CONFIG_X86_32 is not set
CONFIG_X86_64=y
CONFIG_X86=y
CONFIG_INSTRUCTION_DECODER=y
CONFIG_OUTPUT_FORMAT="elf64-x86-64"
CONFIG_ARCH_DEFCONFIG="arch/x86/configs/x86_64_defconfig"
CONFIG_GENERIC_CMOS_UPDATE=y
CONFIG_CLOCKSOURCE_WATCHDOG=y
CONFIG_GENERIC_CLOCKEVENTS=y
CONFIG_ARCH_CLOCKSOURCE_DATA=y
CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y
CONFIG_LOCKDEP_SUPPORT=y
CONFIG_STACKTRACE_SUPPORT=y
CONFIG_HAVE_LATENCYTOP_SUPPORT=y
CONFIG_MMU=y
CONFIG_NEED_DMA_MAP_STATE=y
CONFIG_NEED_SG_DMA_LENGTH=y
CONFIG_GENERIC_ISA_DMA=y
CONFIG_GENERIC_BUG=y
CONFIG_GENERIC_BUG_RELATIVE_POINTERS=y
CONFIG_GENERIC_HWEIGHT=y
CONFIG_GENERIC_GPIO=y
CONFIG_ARCH_MAY_HAVE_PC_FDC=y
# CONFIG_RWSEM_GENERIC_SPINLOCK is not set
CONFIG_RWSEM_XCHGADD_ALGORITHM=y
CONFIG_ARCH_HAS_CPU_IDLE_WAIT=y
CONFIG_GENERIC_CALIBRATE_DELAY=y
CONFIG_GENERIC_TIME_VSYSCALL=y
CONFIG_ARCH_HAS_CPU_RELAX=y
CONFIG_ARCH_HAS_DEFAULT_IDLE=y
CONFIG_ARCH_HAS_CACHE_LINE_SIZE=y
CONFIG_ARCH_HAS_CPU_AUTOPROBE=y
CONFIG_HAVE_SETUP_PER_CPU_AREA=y
CONFIG_NEED_PER_CPU_EMBED_FIRST_CHUNK=y
CONFIG_NEED_PER_CPU_PAGE_FIRST_CHUNK=y
CONFIG_ARCH_HIBERNATION_POSSIBLE=y
CONFIG_ARCH_SUSPEND_POSSIBLE=y
CONFIG_ZONE_DMA32=y
CONFIG_AUDIT_ARCH=y
CONFIG_ARCH_SUPPORTS_OPTIMIZED_INLINING=y
CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y
CONFIG_HAVE_INTEL_TXT=y
CONFIG_X86_64_SMP=y
CONFIG_X86_HT=y
CONFIG_ARCH_HWEIGHT_CFLAGS="-fcall-saved-rdi -fcall-saved-rsi -fcall-saved-rdx -fcall-saved-rcx -fcall-saved-r8 -fcall-saved-r9 -fcall-saved-r10 -fcall-saved-r11"
# CONFIG_KTIME_SCALAR is not set
CONFIG_ARCH_CPU_PROBE_RELEASE=y
CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
CONFIG_HAVE_IRQ_WORK=y
CONFIG_IRQ_WORK=y
#
# General setup
#
CONFIG_EXPERIMENTAL=y
CONFIG_INIT_ENV_ARG_LIMIT=32
CONFIG_CROSS_COMPILE=""
CONFIG_LOCALVERSION=""
# CONFIG_LOCALVERSION_AUTO is not set
CONFIG_HAVE_KERNEL_GZIP=y
CONFIG_HAVE_KERNEL_BZIP2=y
CONFIG_HAVE_KERNEL_LZMA=y
CONFIG_HAVE_KERNEL_XZ=y
CONFIG_HAVE_KERNEL_LZO=y
CONFIG_KERNEL_GZIP=y
# CONFIG_KERNEL_BZIP2 is not set
# CONFIG_KERNEL_LZMA is not set
# CONFIG_KERNEL_XZ is not set
# CONFIG_KERNEL_LZO is not set
CONFIG_DEFAULT_HOSTNAME="(none)"
CONFIG_SWAP=y
CONFIG_SYSVIPC=y
CONFIG_SYSVIPC_SYSCTL=y
CONFIG_POSIX_MQUEUE=y
CONFIG_POSIX_MQUEUE_SYSCTL=y
CONFIG_BSD_PROCESS_ACCT=y
CONFIG_BSD_PROCESS_ACCT_V3=y
CONFIG_FHANDLE=y
CONFIG_TASKSTATS=y
CONFIG_TASK_DELAY_ACCT=y
CONFIG_TASK_XACCT=y
CONFIG_TASK_IO_ACCOUNTING=y
CONFIG_AUDIT=y
CONFIG_AUDITSYSCALL=y
CONFIG_AUDIT_WATCH=y
CONFIG_AUDIT_TREE=y
# CONFIG_AUDIT_LOGINUID_IMMUTABLE is not set
CONFIG_HAVE_GENERIC_HARDIRQS=y
#
# IRQ subsystem
#
CONFIG_GENERIC_HARDIRQS=y
CONFIG_GENERIC_IRQ_PROBE=y
CONFIG_GENERIC_IRQ_SHOW=y
CONFIG_GENERIC_PENDING_IRQ=y
CONFIG_GENERIC_IRQ_CHIP=y
CONFIG_IRQ_FORCED_THREADING=y
CONFIG_SPARSE_IRQ=y
#
# RCU Subsystem
#
CONFIG_TREE_RCU=y
# CONFIG_PREEMPT_RCU is not set
CONFIG_RCU_FANOUT=64
# CONFIG_RCU_FANOUT_EXACT is not set
CONFIG_RCU_FAST_NO_HZ=y
CONFIG_TREE_RCU_TRACE=y
# CONFIG_IKCONFIG is not set
CONFIG_LOG_BUF_SHIFT=17
CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y
CONFIG_CGROUPS=y
# CONFIG_CGROUP_DEBUG is not set
CONFIG_CGROUP_FREEZER=y
CONFIG_CGROUP_DEVICE=y
CONFIG_CPUSETS=y
CONFIG_PROC_PID_CPUSET=y
CONFIG_CGROUP_CPUACCT=y
CONFIG_RESOURCE_COUNTERS=y
CONFIG_CGROUP_MEM_RES_CTLR=y
CONFIG_CGROUP_MEM_RES_CTLR_SWAP=y
# CONFIG_CGROUP_MEM_RES_CTLR_SWAP_ENABLED is not set
# CONFIG_CGROUP_MEM_RES_CTLR_KMEM is not set
# CONFIG_CGROUP_PERF is not set
CONFIG_CGROUP_SCHED=y
CONFIG_FAIR_GROUP_SCHED=y
# CONFIG_CFS_BANDWIDTH is not set
# CONFIG_RT_GROUP_SCHED is not set
CONFIG_BLK_CGROUP=y
# CONFIG_DEBUG_BLK_CGROUP is not set
# CONFIG_CHECKPOINT_RESTORE is not set
CONFIG_NAMESPACES=y
CONFIG_UTS_NS=y
CONFIG_IPC_NS=y
CONFIG_USER_NS=y
CONFIG_PID_NS=y
CONFIG_NET_NS=y
CONFIG_SCHED_AUTOGROUP=y
CONFIG_MM_OWNER=y
# CONFIG_SYSFS_DEPRECATED is not set
CONFIG_RELAY=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_INITRAMFS_SOURCE=""
CONFIG_RD_GZIP=y
CONFIG_RD_BZIP2=y
CONFIG_RD_LZMA=y
CONFIG_RD_XZ=y
CONFIG_RD_LZO=y
CONFIG_CC_OPTIMIZE_FOR_SIZE=y
CONFIG_SYSCTL=y
CONFIG_ANON_INODES=y
# CONFIG_EXPERT is not set
CONFIG_UID16=y
# CONFIG_SYSCTL_SYSCALL is not set
CONFIG_KALLSYMS=y
CONFIG_KALLSYMS_ALL=y
CONFIG_HOTPLUG=y
CONFIG_PRINTK=y
CONFIG_BUG=y
CONFIG_ELF_CORE=y
CONFIG_PCSPKR_PLATFORM=y
CONFIG_HAVE_PCSPKR_PLATFORM=y
CONFIG_BASE_FULL=y
CONFIG_FUTEX=y
CONFIG_EPOLL=y
CONFIG_SIGNALFD=y
CONFIG_TIMERFD=y
CONFIG_EVENTFD=y
CONFIG_SHMEM=y
CONFIG_AIO=y
# CONFIG_EMBEDDED is not set
CONFIG_HAVE_PERF_EVENTS=y
#
# Kernel Performance Events And Counters
#
CONFIG_PERF_EVENTS=y
# CONFIG_PERF_COUNTERS is not set
# CONFIG_DEBUG_PERF_USE_VMALLOC is not set
CONFIG_VM_EVENT_COUNTERS=y
CONFIG_PCI_QUIRKS=y
# CONFIG_COMPAT_BRK is not set
CONFIG_SLAB=y
# CONFIG_SLUB is not set
CONFIG_PROFILING=y
CONFIG_TRACEPOINTS=y
CONFIG_OPROFILE=y
# CONFIG_OPROFILE_EVENT_MULTIPLEX is not set
CONFIG_HAVE_OPROFILE=y
CONFIG_OPROFILE_NMI_TIMER=y
CONFIG_KPROBES=y
# CONFIG_JUMP_LABEL is not set
CONFIG_OPTPROBES=y
CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y
CONFIG_KRETPROBES=y
CONFIG_USER_RETURN_NOTIFIER=y
CONFIG_HAVE_IOREMAP_PROT=y
CONFIG_HAVE_KPROBES=y
CONFIG_HAVE_KRETPROBES=y
CONFIG_HAVE_OPTPROBES=y
CONFIG_HAVE_ARCH_TRACEHOOK=y
CONFIG_HAVE_DMA_ATTRS=y
CONFIG_USE_GENERIC_SMP_HELPERS=y
CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y
CONFIG_HAVE_DMA_API_DEBUG=y
CONFIG_HAVE_HW_BREAKPOINT=y
CONFIG_HAVE_MIXED_BREAKPOINTS_REGS=y
CONFIG_HAVE_USER_RETURN_NOTIFIER=y
CONFIG_HAVE_PERF_EVENTS_NMI=y
CONFIG_HAVE_ARCH_JUMP_LABEL=y
CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG=y
CONFIG_HAVE_CMPXCHG_LOCAL=y
CONFIG_HAVE_CMPXCHG_DOUBLE=y
CONFIG_ARCH_WANT_OLD_COMPAT_IPC=y
#
# GCOV-based kernel profiling
#
# CONFIG_GCOV_KERNEL is not set
# CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
CONFIG_SLABINFO=y
CONFIG_RT_MUTEXES=y
CONFIG_BASE_SMALL=0
CONFIG_MODULES=y
CONFIG_MODULE_FORCE_LOAD=y
CONFIG_MODULE_UNLOAD=y
CONFIG_MODULE_FORCE_UNLOAD=y
CONFIG_MODVERSIONS=y
# CONFIG_MODULE_SRCVERSION_ALL is not set
CONFIG_STOP_MACHINE=y
CONFIG_BLOCK=y
# CONFIG_MQ is not set
CONFIG_BLK_DEV_BSG=y
CONFIG_BLK_DEV_BSGLIB=y
CONFIG_BLK_DEV_INTEGRITY=y
# CONFIG_BLK_DEV_THROTTLING is not set
#
# Partition Types
#
CONFIG_PARTITION_ADVANCED=y
CONFIG_ACORN_PARTITION=y
# CONFIG_ACORN_PARTITION_CUMANA is not set
# CONFIG_ACORN_PARTITION_EESOX is not set
CONFIG_ACORN_PARTITION_ICS=y
# CONFIG_ACORN_PARTITION_ADFS is not set
# CONFIG_ACORN_PARTITION_POWERTEC is not set
CONFIG_ACORN_PARTITION_RISCIX=y
CONFIG_OSF_PARTITION=y
CONFIG_AMIGA_PARTITION=y
CONFIG_ATARI_PARTITION=y
CONFIG_MAC_PARTITION=y
CONFIG_MSDOS_PARTITION=y
CONFIG_BSD_DISKLABEL=y
CONFIG_MINIX_SUBPARTITION=y
CONFIG_SOLARIS_X86_PARTITION=y
CONFIG_UNIXWARE_DISKLABEL=y
CONFIG_LDM_PARTITION=y
# CONFIG_LDM_DEBUG is not set
CONFIG_SGI_PARTITION=y
CONFIG_ULTRIX_PARTITION=y
CONFIG_SUN_PARTITION=y
CONFIG_KARMA_PARTITION=y
CONFIG_EFI_PARTITION=y
# CONFIG_SYSV68_PARTITION is not set
CONFIG_BLOCK_COMPAT=y
#
# IO Schedulers
#
CONFIG_IOSCHED_NOOP=y
CONFIG_DEFAULT_NOOP=y
CONFIG_DEFAULT_IOSCHED="noop"
CONFIG_PREEMPT_NOTIFIERS=y
CONFIG_PADATA=y
# CONFIG_INLINE_SPIN_TRYLOCK is not set
# CONFIG_INLINE_SPIN_TRYLOCK_BH is not set
# CONFIG_INLINE_SPIN_LOCK is not set
# CONFIG_INLINE_SPIN_LOCK_BH is not set
# CONFIG_INLINE_SPIN_LOCK_IRQ is not set
# CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set
CONFIG_UNINLINE_SPIN_UNLOCK=y
# CONFIG_INLINE_SPIN_UNLOCK_BH is not set
# CONFIG_INLINE_SPIN_UNLOCK_IRQ is not set
# CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set
# CONFIG_INLINE_READ_TRYLOCK is not set
# CONFIG_INLINE_READ_LOCK is not set
# CONFIG_INLINE_READ_LOCK_BH is not set
# CONFIG_INLINE_READ_LOCK_IRQ is not set
# CONFIG_INLINE_READ_LOCK_IRQSAVE is not set
# CONFIG_INLINE_READ_UNLOCK is not set
# CONFIG_INLINE_READ_UNLOCK_BH is not set
# CONFIG_INLINE_READ_UNLOCK_IRQ is not set
# CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set
# CONFIG_INLINE_WRITE_TRYLOCK is not set
# CONFIG_INLINE_WRITE_LOCK is not set
# CONFIG_INLINE_WRITE_LOCK_BH is not set
# CONFIG_INLINE_WRITE_LOCK_IRQ is not set
# CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set
# CONFIG_INLINE_WRITE_UNLOCK is not set
# CONFIG_INLINE_WRITE_UNLOCK_BH is not set
# CONFIG_INLINE_WRITE_UNLOCK_IRQ is not set
# CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set
# CONFIG_MUTEX_SPIN_ON_OWNER is not set
CONFIG_FREEZER=y
#
# Processor type and features
#
CONFIG_ZONE_DMA=y
CONFIG_TICK_ONESHOT=y
CONFIG_NO_HZ=y
CONFIG_HIGH_RES_TIMERS=y
CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
CONFIG_GENERIC_CLOCKEVENTS_MIN_ADJUST=y
CONFIG_SMP=y
CONFIG_X86_X2APIC=y
CONFIG_X86_MPPARSE=y
# CONFIG_X86_EXTENDED_PLATFORM is not set
CONFIG_X86_SUPPORTS_MEMORY_FAILURE=y
CONFIG_SCHED_OMIT_FRAME_POINTER=y
CONFIG_PARAVIRT_GUEST=y
# CONFIG_PARAVIRT_TIME_ACCOUNTING is not set
CONFIG_XEN=y
CONFIG_XEN_DOM0=y
CONFIG_XEN_PRIVILEGED_GUEST=y
CONFIG_XEN_PVHVM=y
CONFIG_XEN_MAX_DOMAIN_MEMORY=500
CONFIG_XEN_SAVE_RESTORE=y
# CONFIG_XEN_DEBUG_FS is not set
CONFIG_KVM_CLOCK=y
CONFIG_KVM_GUEST=y
CONFIG_PARAVIRT=y
# CONFIG_PARAVIRT_SPINLOCKS is not set
CONFIG_PARAVIRT_CLOCK=y
# CONFIG_PARAVIRT_DEBUG is not set
CONFIG_NO_BOOTMEM=y
CONFIG_MEMTEST=y
# CONFIG_MK8 is not set
# CONFIG_MPSC is not set
# CONFIG_MCORE2 is not set
# CONFIG_MATOM is not set
CONFIG_GENERIC_CPU=y
CONFIG_X86_INTERNODE_CACHE_SHIFT=6
CONFIG_X86_CMPXCHG=y
CONFIG_X86_L1_CACHE_SHIFT=6
CONFIG_X86_XADD=y
CONFIG_X86_WP_WORKS_OK=y
CONFIG_X86_TSC=y
CONFIG_X86_CMPXCHG64=y
CONFIG_X86_CMOV=y
CONFIG_X86_MINIMUM_CPU_FAMILY=64
CONFIG_X86_DEBUGCTLMSR=y
CONFIG_CPU_SUP_INTEL=y
CONFIG_CPU_SUP_AMD=y
CONFIG_CPU_SUP_CENTAUR=y
CONFIG_HPET_TIMER=y
CONFIG_HPET_EMULATE_RTC=y
CONFIG_DMI=y
CONFIG_GART_IOMMU=y
CONFIG_CALGARY_IOMMU=y
CONFIG_CALGARY_IOMMU_ENABLED_BY_DEFAULT=y
CONFIG_SWIOTLB=y
CONFIG_IOMMU_HELPER=y
# CONFIG_MAXSMP is not set
CONFIG_NR_CPUS=512
CONFIG_SCHED_SMT=y
CONFIG_SCHED_MC=y
# CONFIG_IRQ_TIME_ACCOUNTING is not set
# CONFIG_PREEMPT_NONE is not set
CONFIG_PREEMPT_VOLUNTARY=y
# CONFIG_PREEMPT is not set
CONFIG_PREEMPT_COUNT=y
CONFIG_X86_LOCAL_APIC=y
CONFIG_X86_IO_APIC=y
CONFIG_X86_REROUTE_FOR_BROKEN_BOOT_IRQS=y
CONFIG_X86_MCE=y
CONFIG_X86_MCE_INTEL=y
CONFIG_X86_MCE_AMD=y
CONFIG_X86_MCE_THRESHOLD=y
CONFIG_X86_MCE_INJECT=y
CONFIG_X86_THERMAL_VECTOR=y
CONFIG_I8K=y
CONFIG_MICROCODE=y
CONFIG_MICROCODE_INTEL=y
CONFIG_MICROCODE_AMD=y
CONFIG_MICROCODE_OLD_INTERFACE=y
CONFIG_X86_MSR=y
CONFIG_X86_CPUID=y
CONFIG_ARCH_PHYS_ADDR_T_64BIT=y
CONFIG_ARCH_DMA_ADDR_T_64BIT=y
CONFIG_DIRECT_GBPAGES=y
CONFIG_NUMA=y
CONFIG_AMD_NUMA=y
CONFIG_X86_64_ACPI_NUMA=y
CONFIG_NODES_SPAN_OTHER_NODES=y
CONFIG_NUMA_EMU=y
CONFIG_NODES_SHIFT=6
CONFIG_ARCH_SPARSEMEM_ENABLE=y
CONFIG_ARCH_SPARSEMEM_DEFAULT=y
CONFIG_ARCH_SELECT_MEMORY_MODEL=y
CONFIG_ARCH_MEMORY_PROBE=y
CONFIG_ARCH_PROC_KCORE_TEXT=y
CONFIG_ILLEGAL_POINTER_VALUE=0xdead000000000000
CONFIG_SELECT_MEMORY_MODEL=y
CONFIG_SPARSEMEM_MANUAL=y
CONFIG_SPARSEMEM=y
CONFIG_NEED_MULTIPLE_NODES=y
CONFIG_HAVE_MEMORY_PRESENT=y
CONFIG_SPARSEMEM_EXTREME=y
CONFIG_SPARSEMEM_VMEMMAP_ENABLE=y
CONFIG_SPARSEMEM_ALLOC_MEM_MAP_TOGETHER=y
CONFIG_SPARSEMEM_VMEMMAP=y
CONFIG_HAVE_MEMBLOCK=y
CONFIG_HAVE_MEMBLOCK_NODE_MAP=y
CONFIG_ARCH_DISCARD_MEMBLOCK=y
CONFIG_MEMORY_HOTPLUG=y
CONFIG_MEMORY_HOTPLUG_SPARSE=y
CONFIG_MEMORY_HOTREMOVE=y
CONFIG_PAGEFLAGS_EXTENDED=y
CONFIG_SPLIT_PTLOCK_CPUS=999999
CONFIG_COMPACTION=y
CONFIG_MIGRATION=y
CONFIG_PHYS_ADDR_T_64BIT=y
CONFIG_ZONE_DMA_FLAG=1
CONFIG_BOUNCE=y
CONFIG_VIRT_TO_BUS=y
CONFIG_MMU_NOTIFIER=y
CONFIG_KSM=y
CONFIG_DEFAULT_MMAP_MIN_ADDR=65536
CONFIG_ARCH_SUPPORTS_MEMORY_FAILURE=y
CONFIG_MEMORY_FAILURE=y
CONFIG_HWPOISON_INJECT=y
CONFIG_TRANSPARENT_HUGEPAGE=y
# CONFIG_TRANSPARENT_HUGEPAGE_ALWAYS is not set
CONFIG_TRANSPARENT_HUGEPAGE_MADVISE=y
# CONFIG_CLEANCACHE is not set
# CONFIG_X86_CHECK_BIOS_CORRUPTION is not set
CONFIG_X86_RESERVE_LOW=64
CONFIG_MTRR=y
CONFIG_MTRR_SANITIZER=y
CONFIG_MTRR_SANITIZER_ENABLE_DEFAULT=0
CONFIG_MTRR_SANITIZER_SPARE_REG_NR_DEFAULT=1
CONFIG_X86_PAT=y
CONFIG_ARCH_USES_PG_UNCACHED=y
CONFIG_ARCH_RANDOM=y
CONFIG_EFI=y
# CONFIG_EFI_STUB is not set
CONFIG_SECCOMP=y
CONFIG_CC_STACKPROTECTOR=y
# CONFIG_HZ_100 is not set
CONFIG_HZ_250=y
# CONFIG_HZ_300 is not set
# CONFIG_HZ_1000 is not set
CONFIG_HZ=250
CONFIG_SCHED_HRTICK=y
CONFIG_KEXEC=y
# CONFIG_CRASH_DUMP is not set
# CONFIG_KEXEC_JUMP is not set
CONFIG_PHYSICAL_START=0x1000000
CONFIG_RELOCATABLE=y
CONFIG_PHYSICAL_ALIGN=0x1000000
CONFIG_HOTPLUG_CPU=y
# CONFIG_COMPAT_VDSO is not set
# CONFIG_CMDLINE_BOOL is not set
CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE=y
CONFIG_USE_PERCPU_NUMA_NODE_ID=y
#
# Power management and ACPI options
#
CONFIG_ARCH_HIBERNATION_HEADER=y
CONFIG_SUSPEND=y
CONFIG_SUSPEND_FREEZER=y
CONFIG_HIBERNATE_CALLBACKS=y
CONFIG_HIBERNATION=y
CONFIG_PM_STD_PARTITION=""
CONFIG_PM_SLEEP=y
CONFIG_PM_SLEEP_SMP=y
CONFIG_PM_RUNTIME=y
CONFIG_PM=y
CONFIG_PM_DEBUG=y
CONFIG_PM_ADVANCED_DEBUG=y
CONFIG_PM_TEST_SUSPEND=y
CONFIG_CAN_PM_TRACE=y
# CONFIG_PM_TRACE_RTC is not set
CONFIG_ACPI=y
CONFIG_ACPI_SLEEP=y
# CONFIG_ACPI_PROCFS is not set
# CONFIG_ACPI_PROCFS_POWER is not set
# CONFIG_ACPI_EC_DEBUGFS is not set
# CONFIG_ACPI_PROC_EVENT is not set
CONFIG_ACPI_AC=y
CONFIG_ACPI_BATTERY=y
CONFIG_ACPI_BUTTON=y
CONFIG_ACPI_VIDEO=y
CONFIG_ACPI_FAN=y
CONFIG_ACPI_DOCK=y
CONFIG_ACPI_PROCESSOR=y
CONFIG_ACPI_IPMI=y
CONFIG_ACPI_HOTPLUG_CPU=y
CONFIG_ACPI_PROCESSOR_AGGREGATOR=y
CONFIG_ACPI_THERMAL=y
CONFIG_ACPI_NUMA=y
# CONFIG_ACPI_CUSTOM_DSDT is not set
CONFIG_ACPI_BLACKLIST_YEAR=0
# CONFIG_ACPI_DEBUG is not set
CONFIG_ACPI_PCI_SLOT=y
CONFIG_X86_PM_TIMER=y
CONFIG_ACPI_CONTAINER=y
CONFIG_ACPI_HOTPLUG_MEMORY=y
CONFIG_ACPI_SBS=y
CONFIG_ACPI_HED=y
# CONFIG_ACPI_CUSTOM_METHOD is not set
# CONFIG_ACPI_BGRT is not set
CONFIG_ACPI_APEI=y
CONFIG_ACPI_APEI_GHES=y
CONFIG_ACPI_APEI_PCIEAER=y
CONFIG_ACPI_APEI_MEMORY_FAILURE=y
# CONFIG_ACPI_APEI_EINJ is not set
# CONFIG_ACPI_APEI_ERST_DEBUG is not set
CONFIG_SFI=y
#
# CPU Frequency scaling
#
CONFIG_CPU_FREQ=y
CONFIG_CPU_FREQ_TABLE=y
CONFIG_CPU_FREQ_STAT=y
# CONFIG_CPU_FREQ_STAT_DETAILS is not set
# CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE is not set
# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set
CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
# CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE is not set
CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
CONFIG_CPU_FREQ_GOV_POWERSAVE=y
CONFIG_CPU_FREQ_GOV_USERSPACE=y
CONFIG_CPU_FREQ_GOV_ONDEMAND=y
CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y
#
# x86 CPU frequency scaling drivers
#
CONFIG_X86_PCC_CPUFREQ=y
CONFIG_X86_ACPI_CPUFREQ=y
CONFIG_X86_POWERNOW_K8=y
CONFIG_X86_SPEEDSTEP_CENTRINO=y
CONFIG_X86_P4_CLOCKMOD=y
#
# shared options
#
CONFIG_X86_SPEEDSTEP_LIB=y
CONFIG_CPU_IDLE=y
CONFIG_CPU_IDLE_GOV_LADDER=y
CONFIG_CPU_IDLE_GOV_MENU=y
CONFIG_INTEL_IDLE=y
#
# Memory power savings
#
CONFIG_I7300_IDLE_IOAT_CHANNEL=y
CONFIG_I7300_IDLE=y
#
# Bus options (PCI etc.)
#
CONFIG_PCI=y
CONFIG_PCI_DIRECT=y
CONFIG_PCI_MMCONFIG=y
CONFIG_PCI_XEN=y
CONFIG_PCI_DOMAINS=y
# CONFIG_PCI_CNB20LE_QUIRK is not set
CONFIG_PCIEPORTBUS=y
CONFIG_HOTPLUG_PCI_PCIE=y
CONFIG_PCIEAER=y
# CONFIG_PCIE_ECRC is not set
CONFIG_PCIEAER_INJECT=y
CONFIG_PCIEASPM=y
CONFIG_PCIEASPM_DEBUG=y
CONFIG_PCIEASPM_DEFAULT=y
# CONFIG_PCIEASPM_POWERSAVE is not set
# CONFIG_PCIEASPM_PERFORMANCE is not set
CONFIG_PCIE_PME=y
CONFIG_ARCH_SUPPORTS_MSI=y
CONFIG_PCI_MSI=y
# CONFIG_PCI_DEBUG is not set
# CONFIG_PCI_REALLOC_ENABLE_AUTO is not set
CONFIG_PCI_STUB=y
CONFIG_XEN_PCIDEV_FRONTEND=y
CONFIG_HT_IRQ=y
CONFIG_PCI_ATS=y
CONFIG_PCI_IOV=y
CONFIG_PCI_PRI=y
CONFIG_PCI_PASID=y
CONFIG_PCI_IOAPIC=y
CONFIG_PCI_LABEL=y
CONFIG_ISA_DMA_API=y
CONFIG_AMD_NB=y
CONFIG_PCCARD=y
CONFIG_PCMCIA=y
CONFIG_PCMCIA_LOAD_CIS=y
CONFIG_CARDBUS=y
#
# PC-card bridges
#
CONFIG_YENTA=y
CONFIG_YENTA_O2=y
CONFIG_YENTA_RICOH=y
CONFIG_YENTA_TI=y
CONFIG_YENTA_ENE_TUNE=y
CONFIG_YENTA_TOSHIBA=y
CONFIG_PD6729=y
CONFIG_I82092=y
CONFIG_PCCARD_NONSTATIC=y
CONFIG_HOTPLUG_PCI=y
CONFIG_HOTPLUG_PCI_FAKE=y
CONFIG_HOTPLUG_PCI_ACPI=y
CONFIG_HOTPLUG_PCI_ACPI_IBM=y
CONFIG_HOTPLUG_PCI_CPCI=y
CONFIG_HOTPLUG_PCI_CPCI_ZT5550=y
CONFIG_HOTPLUG_PCI_CPCI_GENERIC=y
CONFIG_HOTPLUG_PCI_SHPC=y
# CONFIG_RAPIDIO is not set
#
# Executable file formats / Emulations
#
CONFIG_BINFMT_ELF=y
CONFIG_COMPAT_BINFMT_ELF=y
CONFIG_ARCH_BINFMT_ELF_RANDOMIZE_PIE=y
CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS=y
# CONFIG_HAVE_AOUT is not set
CONFIG_BINFMT_MISC=y
CONFIG_IA32_EMULATION=y
CONFIG_IA32_AOUT=y
# CONFIG_X86_X32 is not set
CONFIG_COMPAT=y
CONFIG_COMPAT_FOR_U64_ALIGNMENT=y
CONFIG_SYSVIPC_COMPAT=y
CONFIG_KEYS_COMPAT=y
CONFIG_HAVE_TEXT_POKE_SMP=y
CONFIG_NET=y
CONFIG_COMPAT_NETLINK_MESSAGES=y
#
# Networking options
#
CONFIG_PACKET=y
CONFIG_UNIX=y
# CONFIG_UNIX_DIAG is not set
CONFIG_XFRM=y
CONFIG_XFRM_USER=y
CONFIG_XFRM_SUB_POLICY=y
CONFIG_XFRM_MIGRATE=y
# CONFIG_XFRM_STATISTICS is not set
CONFIG_XFRM_IPCOMP=y
CONFIG_NET_KEY=y
CONFIG_NET_KEY_MIGRATE=y
CONFIG_INET=y
CONFIG_IP_MULTICAST=y
CONFIG_IP_ADVANCED_ROUTER=y
CONFIG_IP_FIB_TRIE_STATS=y
CONFIG_IP_MULTIPLE_TABLES=y
CONFIG_IP_ROUTE_MULTIPATH=y
CONFIG_IP_ROUTE_VERBOSE=y
CONFIG_IP_ROUTE_CLASSID=y
CONFIG_IP_PNP=y
CONFIG_IP_PNP_DHCP=y
CONFIG_IP_PNP_BOOTP=y
CONFIG_IP_PNP_RARP=y
CONFIG_NET_IPIP=y
CONFIG_NET_IPGRE_DEMUX=y
CONFIG_NET_IPGRE=y
CONFIG_NET_IPGRE_BROADCAST=y
CONFIG_IP_MROUTE=y
CONFIG_IP_MROUTE_MULTIPLE_TABLES=y
CONFIG_IP_PIMSM_V1=y
CONFIG_IP_PIMSM_V2=y
# CONFIG_ARPD is not set
CONFIG_SYN_COOKIES=y
CONFIG_INET_AH=y
CONFIG_INET_ESP=y
CONFIG_INET_IPCOMP=y
CONFIG_INET_XFRM_TUNNEL=y
CONFIG_INET_TUNNEL=y
CONFIG_INET_XFRM_MODE_TRANSPORT=y
CONFIG_INET_XFRM_MODE_TUNNEL=y
CONFIG_INET_XFRM_MODE_BEET=y
CONFIG_INET_LRO=y
CONFIG_INET_DIAG=y
CONFIG_INET_TCP_DIAG=y
# CONFIG_INET_UDP_DIAG is not set
CONFIG_TCP_CONG_ADVANCED=y
CONFIG_TCP_CONG_BIC=y
CONFIG_TCP_CONG_CUBIC=y
CONFIG_TCP_CONG_WESTWOOD=y
CONFIG_TCP_CONG_HTCP=y
CONFIG_TCP_CONG_HSTCP=y
CONFIG_TCP_CONG_HYBLA=y
CONFIG_TCP_CONG_VEGAS=y
CONFIG_TCP_CONG_SCALABLE=y
CONFIG_TCP_CONG_LP=y
CONFIG_TCP_CONG_VENO=y
CONFIG_TCP_CONG_YEAH=y
CONFIG_TCP_CONG_ILLINOIS=y
# CONFIG_DEFAULT_BIC is not set
CONFIG_DEFAULT_CUBIC=y
# CONFIG_DEFAULT_HTCP is not set
# CONFIG_DEFAULT_HYBLA is not set
# CONFIG_DEFAULT_VEGAS is not set
# CONFIG_DEFAULT_VENO is not set
# CONFIG_DEFAULT_WESTWOOD is not set
# CONFIG_DEFAULT_RENO is not set
CONFIG_DEFAULT_TCP_CONG="cubic"
CONFIG_TCP_MD5SIG=y
CONFIG_IPV6=y
CONFIG_IPV6_PRIVACY=y
CONFIG_IPV6_ROUTER_PREF=y
CONFIG_IPV6_ROUTE_INFO=y
CONFIG_IPV6_OPTIMISTIC_DAD=y
CONFIG_INET6_AH=y
CONFIG_INET6_ESP=y
CONFIG_INET6_IPCOMP=y
CONFIG_IPV6_MIP6=y
CONFIG_INET6_XFRM_TUNNEL=y
CONFIG_INET6_TUNNEL=y
CONFIG_INET6_XFRM_MODE_TRANSPORT=y
CONFIG_INET6_XFRM_MODE_TUNNEL=y
CONFIG_INET6_XFRM_MODE_BEET=y
CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION=y
CONFIG_IPV6_SIT=y
CONFIG_IPV6_SIT_6RD=y
CONFIG_IPV6_NDISC_NODETYPE=y
CONFIG_IPV6_TUNNEL=y
CONFIG_IPV6_MULTIPLE_TABLES=y
CONFIG_IPV6_SUBTREES=y
CONFIG_IPV6_MROUTE=y
CONFIG_IPV6_MROUTE_MULTIPLE_TABLES=y
CONFIG_IPV6_PIMSM_V2=y
# CONFIG_NETLABEL is not set
CONFIG_NETWORK_SECMARK=y
# CONFIG_NETWORK_PHY_TIMESTAMPING is not set
CONFIG_NETFILTER=y
# CONFIG_NETFILTER_DEBUG is not set
CONFIG_NETFILTER_ADVANCED=y
CONFIG_BRIDGE_NETFILTER=y
#
# Core Netfilter Configuration
#
CONFIG_NETFILTER_NETLINK=y
# CONFIG_NETFILTER_NETLINK_ACCT is not set
CONFIG_NETFILTER_NETLINK_QUEUE=y
CONFIG_NETFILTER_NETLINK_LOG=y
CONFIG_NF_CONNTRACK=y
CONFIG_NF_CONNTRACK_MARK=y
CONFIG_NF_CONNTRACK_SECMARK=y
CONFIG_NF_CONNTRACK_ZONES=y
CONFIG_NF_CONNTRACK_PROCFS=y
CONFIG_NF_CONNTRACK_EVENTS=y
# CONFIG_NF_CONNTRACK_TIMEOUT is not set
CONFIG_NF_CONNTRACK_TIMESTAMP=y
CONFIG_NF_CT_PROTO_DCCP=y
CONFIG_NF_CT_PROTO_GRE=y
CONFIG_NF_CT_PROTO_SCTP=y
CONFIG_NF_CT_PROTO_UDPLITE=y
CONFIG_NF_CONNTRACK_AMANDA=y
CONFIG_NF_CONNTRACK_FTP=y
CONFIG_NF_CONNTRACK_H323=y
CONFIG_NF_CONNTRACK_IRC=y
CONFIG_NF_CONNTRACK_BROADCAST=y
CONFIG_NF_CONNTRACK_NETBIOS_NS=y
CONFIG_NF_CONNTRACK_SNMP=y
CONFIG_NF_CONNTRACK_PPTP=y
CONFIG_NF_CONNTRACK_SANE=y
CONFIG_NF_CONNTRACK_SIP=y
CONFIG_NF_CONNTRACK_TFTP=y
CONFIG_NF_CT_NETLINK=y
# CONFIG_NF_CT_NETLINK_TIMEOUT is not set
CONFIG_NETFILTER_TPROXY=y
CONFIG_NETFILTER_XTABLES=y
#
# Xtables combined modules
#
CONFIG_NETFILTER_XT_MARK=y
CONFIG_NETFILTER_XT_CONNMARK=y
CONFIG_NETFILTER_XT_SET=y
#
# Xtables targets
#
CONFIG_NETFILTER_XT_TARGET_AUDIT=y
CONFIG_NETFILTER_XT_TARGET_CHECKSUM=y
CONFIG_NETFILTER_XT_TARGET_CLASSIFY=y
CONFIG_NETFILTER_XT_TARGET_CONNMARK=y
CONFIG_NETFILTER_XT_TARGET_CONNSECMARK=y
CONFIG_NETFILTER_XT_TARGET_CT=y
CONFIG_NETFILTER_XT_TARGET_DSCP=y
CONFIG_NETFILTER_XT_TARGET_HL=y
CONFIG_NETFILTER_XT_TARGET_IDLETIMER=y
CONFIG_NETFILTER_XT_TARGET_LED=y
# CONFIG_NETFILTER_XT_TARGET_LOG is not set
CONFIG_NETFILTER_XT_TARGET_MARK=y
CONFIG_NETFILTER_XT_TARGET_NFLOG=y
CONFIG_NETFILTER_XT_TARGET_NFQUEUE=y
CONFIG_NETFILTER_XT_TARGET_NOTRACK=y
CONFIG_NETFILTER_XT_TARGET_RATEEST=y
CONFIG_NETFILTER_XT_TARGET_TEE=y
CONFIG_NETFILTER_XT_TARGET_TPROXY=y
CONFIG_NETFILTER_XT_TARGET_TRACE=y
CONFIG_NETFILTER_XT_TARGET_SECMARK=y
CONFIG_NETFILTER_XT_TARGET_TCPMSS=y
CONFIG_NETFILTER_XT_TARGET_TCPOPTSTRIP=y
#
# Xtables matches
#
CONFIG_NETFILTER_XT_MATCH_ADDRTYPE=y
CONFIG_NETFILTER_XT_MATCH_CLUSTER=y
CONFIG_NETFILTER_XT_MATCH_COMMENT=y
CONFIG_NETFILTER_XT_MATCH_CONNBYTES=y
CONFIG_NETFILTER_XT_MATCH_CONNLIMIT=y
CONFIG_NETFILTER_XT_MATCH_CONNMARK=y
CONFIG_NETFILTER_XT_MATCH_CONNTRACK=y
CONFIG_NETFILTER_XT_MATCH_CPU=y
CONFIG_NETFILTER_XT_MATCH_DCCP=y
CONFIG_NETFILTER_XT_MATCH_DEVGROUP=y
CONFIG_NETFILTER_XT_MATCH_DSCP=y
CONFIG_NETFILTER_XT_MATCH_ECN=y
CONFIG_NETFILTER_XT_MATCH_ESP=y
CONFIG_NETFILTER_XT_MATCH_HASHLIMIT=y
CONFIG_NETFILTER_XT_MATCH_HELPER=y
CONFIG_NETFILTER_XT_MATCH_HL=y
CONFIG_NETFILTER_XT_MATCH_IPRANGE=y
CONFIG_NETFILTER_XT_MATCH_IPVS=y
CONFIG_NETFILTER_XT_MATCH_LENGTH=y
CONFIG_NETFILTER_XT_MATCH_LIMIT=y
CONFIG_NETFILTER_XT_MATCH_MAC=y
CONFIG_NETFILTER_XT_MATCH_MARK=y
CONFIG_NETFILTER_XT_MATCH_MULTIPORT=y
# CONFIG_NETFILTER_XT_MATCH_NFACCT is not set
CONFIG_NETFILTER_XT_MATCH_OSF=y
CONFIG_NETFILTER_XT_MATCH_OWNER=y
CONFIG_NETFILTER_XT_MATCH_POLICY=y
CONFIG_NETFILTER_XT_MATCH_PHYSDEV=y
CONFIG_NETFILTER_XT_MATCH_PKTTYPE=y
CONFIG_NETFILTER_XT_MATCH_QUOTA=y
CONFIG_NETFILTER_XT_MATCH_RATEEST=y
CONFIG_NETFILTER_XT_MATCH_REALM=y
CONFIG_NETFILTER_XT_MATCH_RECENT=y
CONFIG_NETFILTER_XT_MATCH_SCTP=y
CONFIG_NETFILTER_XT_MATCH_SOCKET=y
CONFIG_NETFILTER_XT_MATCH_STATE=y
CONFIG_NETFILTER_XT_MATCH_STATISTIC=y
CONFIG_NETFILTER_XT_MATCH_STRING=y
CONFIG_NETFILTER_XT_MATCH_TCPMSS=y
CONFIG_NETFILTER_XT_MATCH_TIME=y
CONFIG_NETFILTER_XT_MATCH_U32=y
CONFIG_IP_SET=y
CONFIG_IP_SET_MAX=256
CONFIG_IP_SET_BITMAP_IP=y
CONFIG_IP_SET_BITMAP_IPMAC=y
CONFIG_IP_SET_BITMAP_PORT=y
CONFIG_IP_SET_HASH_IP=y
CONFIG_IP_SET_HASH_IPPORT=y
CONFIG_IP_SET_HASH_IPPORTIP=y
CONFIG_IP_SET_HASH_IPPORTNET=y
CONFIG_IP_SET_HASH_NET=y
CONFIG_IP_SET_HASH_NETPORT=y
CONFIG_IP_SET_HASH_NETIFACE=y
CONFIG_IP_SET_LIST_SET=y
CONFIG_IP_VS=y
CONFIG_IP_VS_IPV6=y
# CONFIG_IP_VS_DEBUG is not set
CONFIG_IP_VS_TAB_BITS=12
#
# IPVS transport protocol load balancing support
#
CONFIG_IP_VS_PROTO_TCP=y
CONFIG_IP_VS_PROTO_UDP=y
CONFIG_IP_VS_PROTO_AH_ESP=y
CONFIG_IP_VS_PROTO_ESP=y
CONFIG_IP_VS_PROTO_AH=y
CONFIG_IP_VS_PROTO_SCTP=y
#
# IPVS scheduler
#
CONFIG_IP_VS_RR=y
CONFIG_IP_VS_WRR=y
CONFIG_IP_VS_LC=y
CONFIG_IP_VS_WLC=y
CONFIG_IP_VS_LBLC=y
CONFIG_IP_VS_LBLCR=y
CONFIG_IP_VS_DH=y
CONFIG_IP_VS_SH=y
CONFIG_IP_VS_SED=y
CONFIG_IP_VS_NQ=y
#
# IPVS SH scheduler
#
CONFIG_IP_VS_SH_TAB_BITS=8
#
# IPVS application helper
#
CONFIG_IP_VS_FTP=y
CONFIG_IP_VS_NFCT=y
CONFIG_IP_VS_PE_SIP=y
#
# IP: Netfilter Configuration
#
CONFIG_NF_DEFRAG_IPV4=y
CONFIG_NF_CONNTRACK_IPV4=y
CONFIG_NF_CONNTRACK_PROC_COMPAT=y
CONFIG_IP_NF_QUEUE=y
CONFIG_IP_NF_IPTABLES=y
CONFIG_IP_NF_MATCH_AH=y
CONFIG_IP_NF_MATCH_ECN=y
# CONFIG_IP_NF_MATCH_RPFILTER is not set
CONFIG_IP_NF_MATCH_TTL=y
CONFIG_IP_NF_FILTER=y
CONFIG_IP_NF_TARGET_REJECT=y
CONFIG_IP_NF_TARGET_ULOG=y
CONFIG_NF_NAT=y
CONFIG_NF_NAT_NEEDED=y
CONFIG_IP_NF_TARGET_MASQUERADE=y
CONFIG_IP_NF_TARGET_NETMAP=y
CONFIG_IP_NF_TARGET_REDIRECT=y
CONFIG_NF_NAT_SNMP_BASIC=y
CONFIG_NF_NAT_PROTO_DCCP=y
CONFIG_NF_NAT_PROTO_GRE=y
CONFIG_NF_NAT_PROTO_UDPLITE=y
CONFIG_NF_NAT_PROTO_SCTP=y
CONFIG_NF_NAT_FTP=y
CONFIG_NF_NAT_IRC=y
CONFIG_NF_NAT_TFTP=y
CONFIG_NF_NAT_AMANDA=y
CONFIG_NF_NAT_PPTP=y
CONFIG_NF_NAT_H323=y
CONFIG_NF_NAT_SIP=y
CONFIG_IP_NF_MANGLE=y
CONFIG_IP_NF_TARGET_CLUSTERIP=y
CONFIG_IP_NF_TARGET_ECN=y
CONFIG_IP_NF_TARGET_TTL=y
CONFIG_IP_NF_RAW=y
CONFIG_IP_NF_SECURITY=y
CONFIG_IP_NF_ARPTABLES=y
CONFIG_IP_NF_ARPFILTER=y
CONFIG_IP_NF_ARP_MANGLE=y
#
# IPv6: Netfilter Configuration
#
CONFIG_NF_DEFRAG_IPV6=y
CONFIG_NF_CONNTRACK_IPV6=y
# CONFIG_IP6_NF_QUEUE is not set
CONFIG_IP6_NF_IPTABLES=y
CONFIG_IP6_NF_MATCH_AH=y
CONFIG_IP6_NF_MATCH_EUI64=y
CONFIG_IP6_NF_MATCH_FRAG=y
CONFIG_IP6_NF_MATCH_OPTS=y
CONFIG_IP6_NF_MATCH_HL=y
CONFIG_IP6_NF_MATCH_IPV6HEADER=y
CONFIG_IP6_NF_MATCH_MH=y
# CONFIG_IP6_NF_MATCH_RPFILTER is not set
CONFIG_IP6_NF_MATCH_RT=y
CONFIG_IP6_NF_TARGET_HL=y
CONFIG_IP6_NF_FILTER=y
CONFIG_IP6_NF_TARGET_REJECT=y
CONFIG_IP6_NF_MANGLE=y
CONFIG_IP6_NF_RAW=y
CONFIG_IP6_NF_SECURITY=y
#
# DECnet: Netfilter Configuration
#
CONFIG_DECNET_NF_GRABULATOR=y
CONFIG_BRIDGE_NF_EBTABLES=y
CONFIG_BRIDGE_EBT_BROUTE=y
CONFIG_BRIDGE_EBT_T_FILTER=y
CONFIG_BRIDGE_EBT_T_NAT=y
CONFIG_BRIDGE_EBT_802_3=y
CONFIG_BRIDGE_EBT_AMONG=y
CONFIG_BRIDGE_EBT_ARP=y
CONFIG_BRIDGE_EBT_IP=y
CONFIG_BRIDGE_EBT_IP6=y
CONFIG_BRIDGE_EBT_LIMIT=y
CONFIG_BRIDGE_EBT_MARK=y
CONFIG_BRIDGE_EBT_PKTTYPE=y
CONFIG_BRIDGE_EBT_STP=y
CONFIG_BRIDGE_EBT_VLAN=y
CONFIG_BRIDGE_EBT_ARPREPLY=y
CONFIG_BRIDGE_EBT_DNAT=y
CONFIG_BRIDGE_EBT_MARK_T=y
CONFIG_BRIDGE_EBT_REDIRECT=y
CONFIG_BRIDGE_EBT_SNAT=y
CONFIG_BRIDGE_EBT_LOG=y
CONFIG_BRIDGE_EBT_ULOG=y
CONFIG_BRIDGE_EBT_NFLOG=y
CONFIG_IP_DCCP=y
CONFIG_INET_DCCP_DIAG=y
#
# DCCP CCIDs Configuration (EXPERIMENTAL)
#
# CONFIG_IP_DCCP_CCID2_DEBUG is not set
CONFIG_IP_DCCP_CCID3=y
# CONFIG_IP_DCCP_CCID3_DEBUG is not set
CONFIG_IP_DCCP_TFRC_LIB=y
#
# DCCP Kernel Hacking
#
# CONFIG_IP_DCCP_DEBUG is not set
CONFIG_NET_DCCPPROBE=y
CONFIG_IP_SCTP=y
CONFIG_NET_SCTPPROBE=y
# CONFIG_SCTP_DBG_MSG is not set
# CONFIG_SCTP_DBG_OBJCNT is not set
# CONFIG_SCTP_HMAC_NONE is not set
# CONFIG_SCTP_HMAC_SHA1 is not set
CONFIG_SCTP_HMAC_MD5=y
CONFIG_RDS=y
CONFIG_RDS_RDMA=y
CONFIG_RDS_TCP=y
# CONFIG_RDS_DEBUG is not set
CONFIG_TIPC=y
CONFIG_TIPC_ADVANCED=y
CONFIG_TIPC_PORTS=8191
CONFIG_TIPC_LOG=0
# CONFIG_TIPC_DEBUG is not set
CONFIG_ATM=y
CONFIG_ATM_CLIP=y
# CONFIG_ATM_CLIP_NO_ICMP is not set
CONFIG_ATM_LANE=y
CONFIG_ATM_MPOA=y
CONFIG_ATM_BR2684=y
# CONFIG_ATM_BR2684_IPFILTER is not set
CONFIG_L2TP=y
CONFIG_L2TP_DEBUGFS=y
CONFIG_L2TP_V3=y
CONFIG_L2TP_IP=y
CONFIG_L2TP_ETH=y
CONFIG_STP=y
CONFIG_GARP=y
CONFIG_BRIDGE=y
CONFIG_BRIDGE_IGMP_SNOOPING=y
# CONFIG_NET_DSA is not set
CONFIG_VLAN_8021Q=y
CONFIG_VLAN_8021Q_GVRP=y
CONFIG_DECNET=y
# CONFIG_DECNET_ROUTER is not set
CONFIG_LLC=y
CONFIG_LLC2=y
CONFIG_IPX=y
# CONFIG_IPX_INTERN is not set
CONFIG_ATALK=y
CONFIG_DEV_APPLETALK=y
CONFIG_IPDDP=y
CONFIG_IPDDP_ENCAP=y
CONFIG_IPDDP_DECAP=y
# CONFIG_X25 is not set
CONFIG_LAPB=y
# CONFIG_ECONET is not set
CONFIG_WAN_ROUTER=y
CONFIG_PHONET=y
CONFIG_IEEE802154=y
CONFIG_IEEE802154_6LOWPAN=y
CONFIG_NET_SCHED=y
#
# Queueing/Scheduling
#
CONFIG_NET_SCH_CBQ=y
CONFIG_NET_SCH_HTB=y
CONFIG_NET_SCH_HFSC=y
CONFIG_NET_SCH_ATM=y
CONFIG_NET_SCH_PRIO=y
CONFIG_NET_SCH_MULTIQ=y
CONFIG_NET_SCH_RED=y
CONFIG_NET_SCH_SFB=y
CONFIG_NET_SCH_SFQ=y
CONFIG_NET_SCH_TEQL=y
CONFIG_NET_SCH_TBF=y
CONFIG_NET_SCH_GRED=y
CONFIG_NET_SCH_DSMARK=y
CONFIG_NET_SCH_NETEM=y
CONFIG_NET_SCH_DRR=y
CONFIG_NET_SCH_MQPRIO=y
CONFIG_NET_SCH_CHOKE=y
CONFIG_NET_SCH_QFQ=y
CONFIG_NET_SCH_INGRESS=y
# CONFIG_NET_SCH_PLUG is not set
#
# Classification
#
CONFIG_NET_CLS=y
CONFIG_NET_CLS_BASIC=y
CONFIG_NET_CLS_TCINDEX=y
CONFIG_NET_CLS_ROUTE4=y
CONFIG_NET_CLS_FW=y
CONFIG_NET_CLS_U32=y
CONFIG_CLS_U32_PERF=y
CONFIG_CLS_U32_MARK=y
CONFIG_NET_CLS_RSVP=y
CONFIG_NET_CLS_RSVP6=y
CONFIG_NET_CLS_FLOW=y
CONFIG_NET_CLS_CGROUP=y
CONFIG_NET_EMATCH=y
CONFIG_NET_EMATCH_STACK=32
CONFIG_NET_EMATCH_CMP=y
CONFIG_NET_EMATCH_NBYTE=y
CONFIG_NET_EMATCH_U32=y
CONFIG_NET_EMATCH_META=y
CONFIG_NET_EMATCH_TEXT=y
CONFIG_NET_CLS_ACT=y
CONFIG_NET_ACT_POLICE=y
CONFIG_NET_ACT_GACT=y
CONFIG_GACT_PROB=y
CONFIG_NET_ACT_MIRRED=y
CONFIG_NET_ACT_IPT=y
CONFIG_NET_ACT_NAT=y
CONFIG_NET_ACT_PEDIT=y
CONFIG_NET_ACT_SIMP=y
CONFIG_NET_ACT_SKBEDIT=y
CONFIG_NET_ACT_CSUM=y
CONFIG_NET_CLS_IND=y
CONFIG_NET_SCH_FIFO=y
CONFIG_DCB=y
CONFIG_DNS_RESOLVER=y
CONFIG_BATMAN_ADV=y
# CONFIG_BATMAN_ADV_DEBUG is not set
# CONFIG_OPENVSWITCH is not set
CONFIG_RPS=y
CONFIG_RFS_ACCEL=y
CONFIG_XPS=y
# CONFIG_NETPRIO_CGROUP is not set
CONFIG_BQL=y
CONFIG_HAVE_BPF_JIT=y
CONFIG_BPF_JIT=y
#
# Network testing
#
CONFIG_NET_PKTGEN=y
# CONFIG_NET_TCPPROBE is not set
CONFIG_NET_DROP_MONITOR=y
CONFIG_HAMRADIO=y
#
# Packet Radio protocols
#
CONFIG_AX25=y
# CONFIG_AX25_DAMA_SLAVE is not set
CONFIG_NETROM=y
CONFIG_ROSE=y
#
# AX.25 network device drivers
#
CONFIG_MKISS=y
CONFIG_6PACK=y
CONFIG_BPQETHER=y
CONFIG_BAYCOM_SER_FDX=y
CONFIG_BAYCOM_SER_HDX=y
CONFIG_BAYCOM_PAR=y
CONFIG_YAM=y
CONFIG_CAN=y
CONFIG_CAN_RAW=y
CONFIG_CAN_BCM=y
CONFIG_CAN_GW=y
#
# CAN Device Drivers
#
CONFIG_CAN_VCAN=y
CONFIG_CAN_SLCAN=y
CONFIG_CAN_DEV=y
CONFIG_CAN_CALC_BITTIMING=y
CONFIG_CAN_MCP251X=y
CONFIG_PCH_CAN=y
CONFIG_CAN_SJA1000=y
# CONFIG_CAN_SJA1000_ISA is not set
# CONFIG_CAN_SJA1000_PLATFORM is not set
CONFIG_CAN_EMS_PCMCIA=y
CONFIG_CAN_EMS_PCI=y
# CONFIG_CAN_PEAK_PCMCIA is not set
CONFIG_CAN_PEAK_PCI=y
CONFIG_CAN_PEAK_PCIEC=y
CONFIG_CAN_KVASER_PCI=y
CONFIG_CAN_PLX_PCI=y
# CONFIG_CAN_C_CAN is not set
# CONFIG_CAN_CC770 is not set
#
# CAN USB interfaces
#
CONFIG_CAN_EMS_USB=y
CONFIG_CAN_ESD_USB2=y
# CONFIG_CAN_PEAK_USB is not set
CONFIG_CAN_SOFTING=y
CONFIG_CAN_SOFTING_CS=y
# CONFIG_CAN_DEBUG_DEVICES is not set
CONFIG_IRDA=y
#
# IrDA protocols
#
CONFIG_IRLAN=y
CONFIG_IRNET=y
CONFIG_IRCOMM=y
# CONFIG_IRDA_ULTRA is not set
#
# IrDA options
#
CONFIG_IRDA_CACHE_LAST_LSAP=y
CONFIG_IRDA_FAST_RR=y
# CONFIG_IRDA_DEBUG is not set
#
# Infrared-port device drivers
#
#
# SIR device drivers
#
CONFIG_IRTTY_SIR=y
#
# Dongle support
#
CONFIG_DONGLE=y
CONFIG_ESI_DONGLE=y
CONFIG_ACTISYS_DONGLE=y
CONFIG_TEKRAM_DONGLE=y
CONFIG_TOIM3232_DONGLE=y
CONFIG_LITELINK_DONGLE=y
CONFIG_MA600_DONGLE=y
CONFIG_GIRBIL_DONGLE=y
CONFIG_MCP2120_DONGLE=y
CONFIG_OLD_BELKIN_DONGLE=y
CONFIG_ACT200L_DONGLE=y
CONFIG_KINGSUN_DONGLE=y
CONFIG_KSDAZZLE_DONGLE=y
CONFIG_KS959_DONGLE=y
#
# FIR device drivers
#
CONFIG_USB_IRDA=y
CONFIG_SIGMATEL_FIR=y
CONFIG_NSC_FIR=y
CONFIG_WINBOND_FIR=y
CONFIG_SMC_IRCC_FIR=y
CONFIG_ALI_FIR=y
CONFIG_VLSI_FIR=y
CONFIG_VIA_FIR=y
CONFIG_MCS_FIR=y
CONFIG_BT=y
CONFIG_BT_RFCOMM=y
CONFIG_BT_RFCOMM_TTY=y
CONFIG_BT_BNEP=y
CONFIG_BT_BNEP_MC_FILTER=y
CONFIG_BT_BNEP_PROTO_FILTER=y
CONFIG_BT_CMTP=y
CONFIG_BT_HIDP=y
#
# Bluetooth device drivers
#
CONFIG_BT_HCIBTUSB=y
CONFIG_BT_HCIBTSDIO=y
CONFIG_BT_HCIUART=y
CONFIG_BT_HCIUART_H4=y
CONFIG_BT_HCIUART_BCSP=y
CONFIG_BT_HCIUART_ATH3K=y
CONFIG_BT_HCIUART_LL=y
CONFIG_BT_HCIBCM203X=y
CONFIG_BT_HCIBPA10X=y
CONFIG_BT_HCIBFUSB=y
CONFIG_BT_HCIDTL1=y
CONFIG_BT_HCIBT3C=y
CONFIG_BT_HCIBLUECARD=y
CONFIG_BT_HCIBTUART=y
CONFIG_BT_HCIVHCI=y
CONFIG_BT_MRVL=y
CONFIG_BT_MRVL_SDIO=y
CONFIG_BT_ATH3K=y
CONFIG_AF_RXRPC=y
# CONFIG_AF_RXRPC_DEBUG is not set
CONFIG_RXKAD=y
CONFIG_FIB_RULES=y
CONFIG_WIRELESS=y
CONFIG_WIRELESS_EXT=y
CONFIG_WEXT_CORE=y
CONFIG_WEXT_PROC=y
CONFIG_WEXT_SPY=y
CONFIG_WEXT_PRIV=y
CONFIG_CFG80211=y
# CONFIG_NL80211_TESTMODE is not set
# CONFIG_CFG80211_DEVELOPER_WARNINGS is not set
# CONFIG_CFG80211_REG_DEBUG is not set
CONFIG_CFG80211_DEFAULT_PS=y
# CONFIG_CFG80211_DEBUGFS is not set
# CONFIG_CFG80211_INTERNAL_REGDB is not set
CONFIG_CFG80211_WEXT=y
# CONFIG_WIRELESS_EXT_SYSFS is not set
CONFIG_LIB80211=y
CONFIG_LIB80211_CRYPT_WEP=y
CONFIG_LIB80211_CRYPT_CCMP=y
CONFIG_LIB80211_CRYPT_TKIP=y
# CONFIG_LIB80211_DEBUG is not set
CONFIG_MAC80211=y
CONFIG_MAC80211_HAS_RC=y
CONFIG_MAC80211_RC_MINSTREL=y
CONFIG_MAC80211_RC_MINSTREL_HT=y
CONFIG_MAC80211_RC_DEFAULT_MINSTREL=y
CONFIG_MAC80211_RC_DEFAULT="minstrel_ht"
CONFIG_MAC80211_MESH=y
CONFIG_MAC80211_LEDS=y
# CONFIG_MAC80211_DEBUGFS is not set
# CONFIG_MAC80211_DEBUG_MENU is not set
CONFIG_WIMAX=y
CONFIG_WIMAX_DEBUG_LEVEL=8
CONFIG_RFKILL=y
CONFIG_RFKILL_LEDS=y
CONFIG_RFKILL_INPUT=y
# CONFIG_RFKILL_REGULATOR is not set
CONFIG_NET_9P=y
CONFIG_NET_9P_VIRTIO=y
CONFIG_NET_9P_RDMA=y
# CONFIG_NET_9P_DEBUG is not set
# CONFIG_CAIF is not set
CONFIG_CEPH_LIB=y
# CONFIG_CEPH_LIB_PRETTYDEBUG is not set
# CONFIG_CEPH_LIB_USE_DNS_RESOLVER is not set
CONFIG_NFC=y
CONFIG_NFC_NCI=y
# CONFIG_NFC_LLCP is not set
#
# Near Field Communication (NFC) devices
#
# CONFIG_PN544_NFC is not set
CONFIG_NFC_PN533=y
#
# Device Drivers
#
#
# Generic Driver Options
#
CONFIG_UEVENT_HELPER_PATH=""
CONFIG_DEVTMPFS=y
# CONFIG_DEVTMPFS_MOUNT is not set
CONFIG_STANDALONE=y
CONFIG_PREVENT_FIRMWARE_BUILD=y
CONFIG_FW_LOADER=y
# CONFIG_FIRMWARE_IN_KERNEL is not set
CONFIG_EXTRA_FIRMWARE=""
# CONFIG_DEBUG_DRIVER is not set
# CONFIG_DEBUG_DEVRES is not set
CONFIG_SYS_HYPERVISOR=y
# CONFIG_GENERIC_CPU_DEVICES is not set
CONFIG_REGMAP=y
CONFIG_REGMAP_I2C=y
CONFIG_DMA_SHARED_BUFFER=y
CONFIG_CONNECTOR=y
CONFIG_PROC_EVENTS=y
CONFIG_MTD=y
# CONFIG_MTD_TESTS is not set
CONFIG_MTD_REDBOOT_PARTS=y
CONFIG_MTD_REDBOOT_DIRECTORY_BLOCK=-1
# CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED is not set
# CONFIG_MTD_REDBOOT_PARTS_READONLY is not set
# CONFIG_MTD_CMDLINE_PARTS is not set
CONFIG_MTD_AR7_PARTS=y
#
# User Modules And Translation Layers
#
CONFIG_MTD_CHAR=y
CONFIG_MTD_BLKDEVS=y
CONFIG_MTD_BLOCK=y
CONFIG_FTL=y
CONFIG_NFTL=y
CONFIG_NFTL_RW=y
CONFIG_INFTL=y
CONFIG_RFD_FTL=y
CONFIG_SSFDC=y
# CONFIG_SM_FTL is not set
CONFIG_MTD_OOPS=y
CONFIG_MTD_SWAP=y
#
# RAM/ROM/Flash chip drivers
#
CONFIG_MTD_CFI=y
CONFIG_MTD_JEDECPROBE=y
CONFIG_MTD_GEN_PROBE=y
# CONFIG_MTD_CFI_ADV_OPTIONS is not set
CONFIG_MTD_MAP_BANK_WIDTH_1=y
CONFIG_MTD_MAP_BANK_WIDTH_2=y
CONFIG_MTD_MAP_BANK_WIDTH_4=y
# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
CONFIG_MTD_CFI_I1=y
CONFIG_MTD_CFI_I2=y
# CONFIG_MTD_CFI_I4 is not set
# CONFIG_MTD_CFI_I8 is not set
CONFIG_MTD_CFI_INTELEXT=y
CONFIG_MTD_CFI_AMDSTD=y
CONFIG_MTD_CFI_STAA=y
CONFIG_MTD_CFI_UTIL=y
CONFIG_MTD_RAM=y
CONFIG_MTD_ROM=y
CONFIG_MTD_ABSENT=y
#
# Mapping drivers for chip access
#
CONFIG_MTD_COMPLEX_MAPPINGS=y
CONFIG_MTD_PHYSMAP=y
# CONFIG_MTD_PHYSMAP_COMPAT is not set
CONFIG_MTD_SC520CDP=y
CONFIG_MTD_NETSC520=y
CONFIG_MTD_TS5500=y
CONFIG_MTD_SBC_GXX=y
# CONFIG_MTD_AMD76XROM is not set
# CONFIG_MTD_ICHXROM is not set
# CONFIG_MTD_ESB2ROM is not set
# CONFIG_MTD_CK804XROM is not set
# CONFIG_MTD_SCB2_FLASH is not set
# CONFIG_MTD_NETtel is not set
# CONFIG_MTD_L440GX is not set
CONFIG_MTD_PCI=y
CONFIG_MTD_PCMCIA=y
# CONFIG_MTD_PCMCIA_ANONYMOUS is not set
# CONFIG_MTD_GPIO_ADDR is not set
CONFIG_MTD_INTEL_VR_NOR=y
CONFIG_MTD_PLATRAM=y
# CONFIG_MTD_LATCH_ADDR is not set
#
# Self-contained MTD device drivers
#
CONFIG_MTD_PMC551=y
# CONFIG_MTD_PMC551_BUGFIX is not set
# CONFIG_MTD_PMC551_DEBUG is not set
CONFIG_MTD_DATAFLASH=y
# CONFIG_MTD_DATAFLASH_WRITE_VERIFY is not set
# CONFIG_MTD_DATAFLASH_OTP is not set
CONFIG_MTD_M25P80=y
CONFIG_M25PXX_USE_FAST_READ=y
CONFIG_MTD_SST25L=y
CONFIG_MTD_SLRAM=y
CONFIG_MTD_PHRAM=y
CONFIG_MTD_MTDRAM=y
CONFIG_MTDRAM_TOTAL_SIZE=4096
CONFIG_MTDRAM_ERASE_SIZE=128
CONFIG_MTDRAM_ABS_POS=0
CONFIG_MTD_BLOCK2MTD=y
#
# Disk-On-Chip Device Drivers
#
CONFIG_MTD_DOC2000=y
CONFIG_MTD_DOC2001=y
CONFIG_MTD_DOC2001PLUS=y
# CONFIG_MTD_DOCG3 is not set
CONFIG_MTD_DOCPROBE=y
CONFIG_MTD_DOCECC=y
# CONFIG_MTD_DOCPROBE_ADVANCED is not set
CONFIG_MTD_DOCPROBE_ADDRESS=0x0
CONFIG_MTD_NAND_ECC=y
# CONFIG_MTD_NAND_ECC_SMC is not set
CONFIG_MTD_NAND=y
# CONFIG_MTD_NAND_VERIFY_WRITE is not set
# CONFIG_MTD_NAND_ECC_BCH is not set
CONFIG_MTD_SM_COMMON=y
# CONFIG_MTD_NAND_MUSEUM_IDS is not set
# CONFIG_MTD_NAND_DENALI is not set
CONFIG_MTD_NAND_IDS=y
CONFIG_MTD_NAND_RICOH=y
CONFIG_MTD_NAND_DISKONCHIP=y
# CONFIG_MTD_NAND_DISKONCHIP_PROBE_ADVANCED is not set
CONFIG_MTD_NAND_DISKONCHIP_PROBE_ADDRESS=0
# CONFIG_MTD_NAND_DISKONCHIP_BBTWRITE is not set
# CONFIG_MTD_NAND_DOCG4 is not set
CONFIG_MTD_NAND_CAFE=y
CONFIG_MTD_NAND_NANDSIM=y
CONFIG_MTD_NAND_PLATFORM=y
CONFIG_MTD_ALAUDA=y
CONFIG_MTD_ONENAND=y
CONFIG_MTD_ONENAND_VERIFY_WRITE=y
CONFIG_MTD_ONENAND_GENERIC=y
# CONFIG_MTD_ONENAND_OTP is not set
CONFIG_MTD_ONENAND_2X_PROGRAM=y
CONFIG_MTD_ONENAND_SIM=y
#
# LPDDR flash memory drivers
#
CONFIG_MTD_LPDDR=y
CONFIG_MTD_QINFO_PROBE=y
CONFIG_MTD_UBI=y
CONFIG_MTD_UBI_WL_THRESHOLD=4096
CONFIG_MTD_UBI_BEB_RESERVE=1
# CONFIG_MTD_UBI_GLUEBI is not set
# CONFIG_MTD_UBI_DEBUG is not set
CONFIG_PARPORT=y
CONFIG_PARPORT_PC=y
CONFIG_PARPORT_SERIAL=y
# CONFIG_PARPORT_PC_FIFO is not set
# CONFIG_PARPORT_PC_SUPERIO is not set
CONFIG_PARPORT_PC_PCMCIA=y
# CONFIG_PARPORT_GSC is not set
CONFIG_PARPORT_AX88796=y
CONFIG_PARPORT_1284=y
CONFIG_PARPORT_NOT_PC=y
CONFIG_PNP=y
# CONFIG_PNP_DEBUG_MESSAGES is not set
#
# Protocols
#
CONFIG_PNPACPI=y
CONFIG_BLK_DEV=y
CONFIG_BLK_DEV_FD=y
CONFIG_PARIDE=m
#
# Parallel IDE high-level drivers
#
CONFIG_PARIDE_PD=m
CONFIG_PARIDE_PCD=m
CONFIG_PARIDE_PF=m
CONFIG_PARIDE_PT=m
CONFIG_PARIDE_PG=m
#
# Parallel IDE protocol modules
#
CONFIG_PARIDE_ATEN=m
CONFIG_PARIDE_BPCK=m
CONFIG_PARIDE_COMM=m
CONFIG_PARIDE_DSTR=m
CONFIG_PARIDE_FIT2=m
CONFIG_PARIDE_FIT3=m
CONFIG_PARIDE_EPAT=m
# CONFIG_PARIDE_EPATC8 is not set
CONFIG_PARIDE_EPIA=m
CONFIG_PARIDE_FRIQ=m
CONFIG_PARIDE_FRPW=m
CONFIG_PARIDE_KBIC=m
CONFIG_PARIDE_KTTI=m
CONFIG_PARIDE_ON20=m
CONFIG_PARIDE_ON26=m
# CONFIG_BLK_DEV_PCIESSD_MTIP32XX is not set
CONFIG_BLK_CPQ_DA=y
CONFIG_BLK_CPQ_CISS_DA=y
CONFIG_CISS_SCSI_TAPE=y
CONFIG_BLK_DEV_DAC960=y
CONFIG_BLK_DEV_UMEM=y
# CONFIG_BLK_DEV_COW_COMMON is not set
CONFIG_BLK_DEV_LOOP=y
CONFIG_BLK_DEV_LOOP_MIN_COUNT=8
# CONFIG_BLK_DEV_CRYPTOLOOP is not set
CONFIG_BLK_DEV_DRBD=y
# CONFIG_DRBD_FAULT_INJECTION is not set
CONFIG_BLK_DEV_NBD=y
# CONFIG_BLK_DEV_NVME is not set
CONFIG_BLK_DEV_OSD=y
CONFIG_BLK_DEV_SX8=y
# CONFIG_BLK_DEV_UB is not set
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_COUNT=16
CONFIG_BLK_DEV_RAM_SIZE=65536
# CONFIG_BLK_DEV_XIP is not set
CONFIG_CDROM_PKTCDVD=y
CONFIG_CDROM_PKTCDVD_BUFFERS=8
# CONFIG_CDROM_PKTCDVD_WCACHE is not set
CONFIG_ATA_OVER_ETH=y
CONFIG_XEN_BLKDEV_FRONTEND=y
CONFIG_XEN_BLKDEV_BACKEND=y
CONFIG_VIRTIO_BLK=y
# CONFIG_BLK_DEV_HD is not set
CONFIG_BLK_DEV_RBD=y
#
# Misc devices
#
CONFIG_SENSORS_LIS3LV02D=y
CONFIG_AD525X_DPOT=y
CONFIG_AD525X_DPOT_I2C=y
CONFIG_AD525X_DPOT_SPI=y
CONFIG_IBM_ASM=y
CONFIG_PHANTOM=y
# CONFIG_INTEL_MID_PTI is not set
CONFIG_SGI_IOC4=y
CONFIG_TIFM_CORE=y
CONFIG_TIFM_7XX1=y
CONFIG_ICS932S401=y
CONFIG_ENCLOSURE_SERVICES=y
CONFIG_HP_ILO=y
CONFIG_APDS9802ALS=y
CONFIG_ISL29003=y
CONFIG_ISL29020=y
CONFIG_SENSORS_TSL2550=y
CONFIG_SENSORS_BH1780=y
CONFIG_SENSORS_BH1770=y
CONFIG_SENSORS_APDS990X=y
CONFIG_HMC6352=y
CONFIG_DS1682=y
CONFIG_TI_DAC7512=y
CONFIG_VMWARE_BALLOON=y
# CONFIG_BMP085 is not set
CONFIG_PCH_PHUB=y
# CONFIG_USB_SWITCH_FSA9480 is not set
CONFIG_C2PORT=y
CONFIG_C2PORT_DURAMAR_2150=y
#
# EEPROM support
#
CONFIG_EEPROM_AT24=y
CONFIG_EEPROM_AT25=y
CONFIG_EEPROM_LEGACY=y
CONFIG_EEPROM_MAX6875=y
CONFIG_EEPROM_93CX6=y
# CONFIG_EEPROM_93XX46 is not set
CONFIG_CB710_CORE=y
# CONFIG_CB710_DEBUG is not set
CONFIG_CB710_DEBUG_ASSUMPTIONS=y
CONFIG_IWMC3200TOP=y
# CONFIG_IWMC3200TOP_DEBUG is not set
# CONFIG_IWMC3200TOP_DEBUGFS is not set
#
# Texas Instruments shared transport line discipline
#
# CONFIG_TI_ST is not set
CONFIG_SENSORS_LIS3_I2C=y
#
# Altera FPGA firmware download module
#
# CONFIG_ALTERA_STAPL is not set
CONFIG_HAVE_IDE=y
CONFIG_IDE=y
#
# Please see Documentation/ide/ide.txt for help/info on IDE drives
#
CONFIG_IDE_XFER_MODE=y
CONFIG_IDE_ATAPI=y
# CONFIG_BLK_DEV_IDE_SATA is not set
CONFIG_IDE_GD=y
CONFIG_IDE_GD_ATA=y
CONFIG_IDE_GD_ATAPI=y
# CONFIG_BLK_DEV_IDECS is not set
CONFIG_BLK_DEV_DELKIN=y
CONFIG_BLK_DEV_IDECD=y
CONFIG_BLK_DEV_IDECD_VERBOSE_ERRORS=y
CONFIG_BLK_DEV_IDETAPE=y
# CONFIG_BLK_DEV_IDEACPI is not set
# CONFIG_IDE_TASK_IOCTL is not set
CONFIG_IDE_PROC_FS=y
#
# IDE chipset support/bugfixes
#
CONFIG_IDE_GENERIC=y
# CONFIG_BLK_DEV_PLATFORM is not set
# CONFIG_BLK_DEV_CMD640 is not set
CONFIG_BLK_DEV_IDEPNP=y
CONFIG_BLK_DEV_IDEDMA_SFF=y
#
# PCI IDE chipsets support
#
CONFIG_BLK_DEV_IDEPCI=y
CONFIG_IDEPCI_PCIBUS_ORDER=y
# CONFIG_BLK_DEV_OFFBOARD is not set
# CONFIG_BLK_DEV_GENERIC is not set
CONFIG_BLK_DEV_OPTI621=y
# CONFIG_BLK_DEV_RZ1000 is not set
CONFIG_BLK_DEV_IDEDMA_PCI=y
# CONFIG_BLK_DEV_AEC62XX is not set
# CONFIG_BLK_DEV_ALI15X3 is not set
# CONFIG_BLK_DEV_AMD74XX is not set
# CONFIG_BLK_DEV_ATIIXP is not set
# CONFIG_BLK_DEV_CMD64X is not set
# CONFIG_BLK_DEV_TRIFLEX is not set
# CONFIG_BLK_DEV_CS5520 is not set
# CONFIG_BLK_DEV_CS5530 is not set
CONFIG_BLK_DEV_HPT366=y
# CONFIG_BLK_DEV_JMICRON is not set
# CONFIG_BLK_DEV_SC1200 is not set
CONFIG_BLK_DEV_PIIX=y
CONFIG_BLK_DEV_IT8172=y
CONFIG_BLK_DEV_IT8213=y
# CONFIG_BLK_DEV_IT821X is not set
# CONFIG_BLK_DEV_NS87415 is not set
# CONFIG_BLK_DEV_PDC202XX_OLD is not set
# CONFIG_BLK_DEV_PDC202XX_NEW is not set
# CONFIG_BLK_DEV_SVWKS is not set
# CONFIG_BLK_DEV_SIIMAGE is not set
# CONFIG_BLK_DEV_SIS5513 is not set
# CONFIG_BLK_DEV_SLC90E66 is not set
CONFIG_BLK_DEV_TRM290=y
# CONFIG_BLK_DEV_VIA82CXXX is not set
CONFIG_BLK_DEV_TC86C001=y
CONFIG_BLK_DEV_IDEDMA=y
#
# SCSI device support
#
CONFIG_SCSI_MOD=y
CONFIG_RAID_ATTRS=y
CONFIG_SCSI=y
CONFIG_SCSI_DMA=y
CONFIG_SCSI_TGT=y
CONFIG_SCSI_NETLINK=y
# CONFIG_SCSI_PROC_FS is not set
#
# SCSI support type (disk, tape, CD-ROM)
#
CONFIG_BLK_DEV_SD=y
CONFIG_CHR_DEV_ST=y
CONFIG_CHR_DEV_OSST=y
CONFIG_BLK_DEV_SR=y
CONFIG_BLK_DEV_SR_VENDOR=y
CONFIG_CHR_DEV_SG=y
CONFIG_CHR_DEV_SCH=y
CONFIG_SCSI_ENCLOSURE=y
CONFIG_SCSI_MULTI_LUN=y
CONFIG_SCSI_CONSTANTS=y
CONFIG_SCSI_LOGGING=y
CONFIG_SCSI_SCAN_ASYNC=y
CONFIG_SCSI_WAIT_SCAN=m
#
# SCSI Transports
#
CONFIG_SCSI_SPI_ATTRS=y
CONFIG_SCSI_FC_ATTRS=y
CONFIG_SCSI_FC_TGT_ATTRS=y
CONFIG_SCSI_ISCSI_ATTRS=y
CONFIG_SCSI_SAS_ATTRS=y
CONFIG_SCSI_SAS_LIBSAS=y
CONFIG_SCSI_SAS_ATA=y
CONFIG_SCSI_SAS_HOST_SMP=y
CONFIG_SCSI_SRP_ATTRS=y
CONFIG_SCSI_SRP_TGT_ATTRS=y
CONFIG_SCSI_LOWLEVEL=y
CONFIG_ISCSI_TCP=y
CONFIG_ISCSI_BOOT_SYSFS=y
CONFIG_SCSI_CXGB3_ISCSI=y
CONFIG_SCSI_CXGB4_ISCSI=y
CONFIG_SCSI_BNX2_ISCSI=y
CONFIG_SCSI_BNX2X_FCOE=y
CONFIG_BE2ISCSI=y
CONFIG_BLK_DEV_3W_XXXX_RAID=y
CONFIG_SCSI_HPSA=y
CONFIG_SCSI_3W_9XXX=y
CONFIG_SCSI_3W_SAS=y
CONFIG_SCSI_ACARD=y
CONFIG_SCSI_AACRAID=y
CONFIG_SCSI_AIC7XXX=y
CONFIG_AIC7XXX_CMDS_PER_DEVICE=8
CONFIG_AIC7XXX_RESET_DELAY_MS=15000
CONFIG_AIC7XXX_DEBUG_ENABLE=y
CONFIG_AIC7XXX_DEBUG_MASK=0
CONFIG_AIC7XXX_REG_PRETTY_PRINT=y
CONFIG_SCSI_AIC7XXX_OLD=y
CONFIG_SCSI_AIC79XX=y
CONFIG_AIC79XX_CMDS_PER_DEVICE=32
CONFIG_AIC79XX_RESET_DELAY_MS=15000
CONFIG_AIC79XX_DEBUG_ENABLE=y
CONFIG_AIC79XX_DEBUG_MASK=0
CONFIG_AIC79XX_REG_PRETTY_PRINT=y
CONFIG_SCSI_AIC94XX=y
# CONFIG_AIC94XX_DEBUG is not set
CONFIG_SCSI_MVSAS=y
# CONFIG_SCSI_MVSAS_DEBUG is not set
# CONFIG_SCSI_MVSAS_TASKLET is not set
CONFIG_SCSI_MVUMI=y
CONFIG_SCSI_DPT_I2O=y
CONFIG_SCSI_ADVANSYS=y
CONFIG_SCSI_ARCMSR=y
CONFIG_MEGARAID_NEWGEN=y
CONFIG_MEGARAID_MM=y
CONFIG_MEGARAID_MAILBOX=y
CONFIG_MEGARAID_LEGACY=y
CONFIG_MEGARAID_SAS=y
CONFIG_SCSI_MPT2SAS=y
CONFIG_SCSI_MPT2SAS_MAX_SGE=128
# CONFIG_SCSI_MPT2SAS_LOGGING is not set
# CONFIG_SCSI_UFSHCD is not set
CONFIG_SCSI_HPTIOP=y
CONFIG_SCSI_BUSLOGIC=y
CONFIG_VMWARE_PVSCSI=y
CONFIG_HYPERV_STORAGE=y
CONFIG_LIBFC=y
CONFIG_LIBFCOE=y
CONFIG_FCOE=y
CONFIG_FCOE_FNIC=y
CONFIG_SCSI_DMX3191D=y
CONFIG_SCSI_EATA=y
CONFIG_SCSI_EATA_TAGGED_QUEUE=y
CONFIG_SCSI_EATA_LINKED_COMMANDS=y
CONFIG_SCSI_EATA_MAX_TAGS=16
CONFIG_SCSI_FUTURE_DOMAIN=y
CONFIG_SCSI_GDTH=y
CONFIG_SCSI_ISCI=y
CONFIG_SCSI_IPS=y
CONFIG_SCSI_INITIO=y
CONFIG_SCSI_INIA100=y
CONFIG_SCSI_PPA=y
CONFIG_SCSI_IMM=y
# CONFIG_SCSI_IZIP_EPP16 is not set
# CONFIG_SCSI_IZIP_SLOW_CTR is not set
CONFIG_SCSI_STEX=y
CONFIG_SCSI_SYM53C8XX_2=y
CONFIG_SCSI_SYM53C8XX_DMA_ADDRESSING_MODE=1
CONFIG_SCSI_SYM53C8XX_DEFAULT_TAGS=16
CONFIG_SCSI_SYM53C8XX_MAX_TAGS=64
CONFIG_SCSI_SYM53C8XX_MMIO=y
CONFIG_SCSI_IPR=y
# CONFIG_SCSI_IPR_TRACE is not set
# CONFIG_SCSI_IPR_DUMP is not set
CONFIG_SCSI_QLOGIC_1280=y
CONFIG_SCSI_QLA_FC=y
CONFIG_SCSI_QLA_ISCSI=y
# CONFIG_SCSI_LPFC is not set
CONFIG_SCSI_DC395x=y
CONFIG_SCSI_DC390T=y
CONFIG_SCSI_DEBUG=y
CONFIG_SCSI_PMCRAID=y
CONFIG_SCSI_PM8001=y
CONFIG_SCSI_SRP=y
CONFIG_SCSI_BFA_FC=y
CONFIG_SCSI_VIRTIO=y
CONFIG_SCSI_LOWLEVEL_PCMCIA=y
CONFIG_PCMCIA_AHA152X=m
CONFIG_PCMCIA_FDOMAIN=m
CONFIG_PCMCIA_QLOGIC=m
CONFIG_PCMCIA_SYM53C500=m
CONFIG_SCSI_DH=y
CONFIG_SCSI_DH_RDAC=y
CONFIG_SCSI_DH_HP_SW=y
CONFIG_SCSI_DH_EMC=y
CONFIG_SCSI_DH_ALUA=y
CONFIG_SCSI_OSD_INITIATOR=y
CONFIG_SCSI_OSD_ULD=y
CONFIG_SCSI_OSD_DPRINT_SENSE=1
# CONFIG_SCSI_OSD_DEBUG is not set
CONFIG_ATA=y
# CONFIG_ATA_NONSTANDARD is not set
CONFIG_ATA_VERBOSE_ERROR=y
CONFIG_ATA_ACPI=y
CONFIG_SATA_PMP=y
#
# Controllers with non-SFF native interface
#
CONFIG_SATA_AHCI=y
# CONFIG_SATA_AHCI_PLATFORM is not set
CONFIG_SATA_INIC162X=y
CONFIG_SATA_ACARD_AHCI=y
CONFIG_SATA_SIL24=y
CONFIG_ATA_SFF=y
#
# SFF controllers with custom DMA interface
#
CONFIG_PDC_ADMA=y
CONFIG_SATA_QSTOR=y
CONFIG_SATA_SX4=y
CONFIG_ATA_BMDMA=y
#
# SATA SFF controllers with BMDMA
#
CONFIG_ATA_PIIX=y
CONFIG_SATA_MV=y
CONFIG_SATA_NV=y
CONFIG_SATA_PROMISE=y
CONFIG_SATA_SIL=y
CONFIG_SATA_SIS=y
CONFIG_SATA_SVW=y
CONFIG_SATA_ULI=y
CONFIG_SATA_VIA=y
CONFIG_SATA_VITESSE=y
#
# PATA SFF controllers with BMDMA
#
CONFIG_PATA_ALI=y
CONFIG_PATA_AMD=y
CONFIG_PATA_ARASAN_CF=y
CONFIG_PATA_ARTOP=y
CONFIG_PATA_ATIIXP=y
CONFIG_PATA_ATP867X=y
CONFIG_PATA_CMD64X=y
CONFIG_PATA_CS5520=y
CONFIG_PATA_CS5530=y
# CONFIG_PATA_CS5536 is not set
# CONFIG_PATA_CYPRESS is not set
CONFIG_PATA_EFAR=y
# CONFIG_PATA_HPT366 is not set
# CONFIG_PATA_HPT37X is not set
# CONFIG_PATA_HPT3X2N is not set
# CONFIG_PATA_HPT3X3 is not set
# CONFIG_PATA_IT8213 is not set
CONFIG_PATA_IT821X=y
CONFIG_PATA_JMICRON=y
CONFIG_PATA_MARVELL=y
CONFIG_PATA_NETCELL=y
# CONFIG_PATA_NINJA32 is not set
CONFIG_PATA_NS87415=y
CONFIG_PATA_OLDPIIX=y
# CONFIG_PATA_OPTIDMA is not set
CONFIG_PATA_PDC2027X=y
CONFIG_PATA_PDC_OLD=y
# CONFIG_PATA_RADISYS is not set
CONFIG_PATA_RDC=y
CONFIG_PATA_SC1200=y
CONFIG_PATA_SCH=y
CONFIG_PATA_SERVERWORKS=y
CONFIG_PATA_SIL680=y
CONFIG_PATA_SIS=y
CONFIG_PATA_TOSHIBA=y
CONFIG_PATA_TRIFLEX=y
CONFIG_PATA_VIA=y
# CONFIG_PATA_WINBOND is not set
#
# PIO-only SFF controllers
#
# CONFIG_PATA_CMD640_PCI is not set
CONFIG_PATA_MPIIX=y
CONFIG_PATA_NS87410=y
# CONFIG_PATA_OPTI is not set
CONFIG_PATA_PCMCIA=y
CONFIG_PATA_RZ1000=y
#
# Generic fallback / legacy drivers
#
# CONFIG_PATA_ACPI is not set
CONFIG_ATA_GENERIC=y
# CONFIG_PATA_LEGACY is not set
CONFIG_MD=y
CONFIG_BLK_DEV_MD=y
CONFIG_MD_AUTODETECT=y
CONFIG_MD_LINEAR=y
CONFIG_MD_RAID0=y
CONFIG_MD_RAID1=y
CONFIG_MD_RAID10=y
CONFIG_MD_RAID456=y
# CONFIG_MULTICORE_RAID456 is not set
CONFIG_MD_MULTIPATH=y
CONFIG_MD_FAULTY=y
CONFIG_BLK_DEV_DM=y
# CONFIG_DM_DEBUG is not set
CONFIG_DM_BUFIO=y
CONFIG_DM_PERSISTENT_DATA=y
CONFIG_DM_CRYPT=y
CONFIG_DM_SNAPSHOT=y
CONFIG_DM_THIN_PROVISIONING=y
# CONFIG_DM_DEBUG_BLOCK_STACK_TRACING is not set
# CONFIG_DM_DEBUG_SPACE_MAPS is not set
CONFIG_DM_MIRROR=y
CONFIG_DM_RAID=y
CONFIG_DM_LOG_USERSPACE=y
CONFIG_DM_ZERO=y
CONFIG_DM_MULTIPATH=y
CONFIG_DM_MULTIPATH_QL=y
CONFIG_DM_MULTIPATH_ST=y
CONFIG_DM_DELAY=y
CONFIG_DM_UEVENT=y
CONFIG_DM_FLAKEY=y
# CONFIG_DM_VERITY is not set
CONFIG_TARGET_CORE=y
CONFIG_TCM_IBLOCK=y
CONFIG_TCM_FILEIO=y
CONFIG_TCM_PSCSI=y
CONFIG_LOOPBACK_TARGET=y
CONFIG_TCM_FC=y
CONFIG_ISCSI_TARGET=y
CONFIG_FUSION=y
CONFIG_FUSION_SPI=y
CONFIG_FUSION_FC=y
CONFIG_FUSION_SAS=y
CONFIG_FUSION_MAX_SGE=128
CONFIG_FUSION_CTL=y
CONFIG_FUSION_LAN=y
# CONFIG_FUSION_LOGGING is not set
#
# IEEE 1394 (FireWire) support
#
CONFIG_FIREWIRE=y
CONFIG_FIREWIRE_OHCI=y
CONFIG_FIREWIRE_SBP2=y
CONFIG_FIREWIRE_NET=y
CONFIG_FIREWIRE_NOSY=y
CONFIG_I2O=y
CONFIG_I2O_LCT_NOTIFY_ON_CHANGES=y
CONFIG_I2O_EXT_ADAPTEC=y
CONFIG_I2O_EXT_ADAPTEC_DMA64=y
CONFIG_I2O_CONFIG=y
CONFIG_I2O_CONFIG_OLD_IOCTL=y
CONFIG_I2O_BUS=y
CONFIG_I2O_BLOCK=y
CONFIG_I2O_SCSI=y
CONFIG_I2O_PROC=y
CONFIG_MACINTOSH_DRIVERS=y
CONFIG_MAC_EMUMOUSEBTN=y
CONFIG_NETDEVICES=y
CONFIG_NET_CORE=y
CONFIG_BONDING=y
CONFIG_DUMMY=y
CONFIG_EQUALIZER=y
CONFIG_NET_FC=y
CONFIG_MII=y
CONFIG_IEEE802154_DRIVERS=y
CONFIG_IEEE802154_FAKEHARD=y
CONFIG_IFB=y
# CONFIG_NET_TEAM is not set
CONFIG_MACVLAN=y
CONFIG_MACVTAP=y
CONFIG_NETCONSOLE=y
CONFIG_NETCONSOLE_DYNAMIC=y
CONFIG_NETPOLL=y
# CONFIG_NETPOLL_TRAP is not set
CONFIG_NET_POLL_CONTROLLER=y
CONFIG_TUN=y
CONFIG_VETH=y
CONFIG_VIRTIO_NET=y
CONFIG_SUNGEM_PHY=y
CONFIG_ARCNET=y
CONFIG_ARCNET_1201=y
CONFIG_ARCNET_1051=y
CONFIG_ARCNET_RAW=y
CONFIG_ARCNET_CAP=y
CONFIG_ARCNET_COM90xx=y
CONFIG_ARCNET_COM90xxIO=y
CONFIG_ARCNET_RIM_I=y
CONFIG_ARCNET_COM20020=y
CONFIG_ARCNET_COM20020_PCI=y
CONFIG_ARCNET_COM20020_CS=y
CONFIG_ATM_DRIVERS=y
CONFIG_ATM_DUMMY=y
CONFIG_ATM_TCP=y
CONFIG_ATM_LANAI=y
CONFIG_ATM_ENI=y
# CONFIG_ATM_ENI_DEBUG is not set
# CONFIG_ATM_ENI_TUNE_BURST is not set
CONFIG_ATM_FIRESTREAM=y
CONFIG_ATM_ZATM=y
# CONFIG_ATM_ZATM_DEBUG is not set
CONFIG_ATM_NICSTAR=y
CONFIG_ATM_NICSTAR_USE_SUNI=y
CONFIG_ATM_NICSTAR_USE_IDT77105=y
CONFIG_ATM_IDT77252=y
# CONFIG_ATM_IDT77252_DEBUG is not set
# CONFIG_ATM_IDT77252_RCV_ALL is not set
CONFIG_ATM_IDT77252_USE_SUNI=y
CONFIG_ATM_AMBASSADOR=y
# CONFIG_ATM_AMBASSADOR_DEBUG is not set
CONFIG_ATM_HORIZON=y
# CONFIG_ATM_HORIZON_DEBUG is not set
CONFIG_ATM_IA=y
# CONFIG_ATM_IA_DEBUG is not set
CONFIG_ATM_FORE200E=y
# CONFIG_ATM_FORE200E_USE_TASKLET is not set
CONFIG_ATM_FORE200E_TX_RETRY=16
CONFIG_ATM_FORE200E_DEBUG=0
CONFIG_ATM_HE=y
CONFIG_ATM_HE_USE_SUNI=y
CONFIG_ATM_SOLOS=y
#
# CAIF transport drivers
#
CONFIG_ETHERNET=y
CONFIG_MDIO=y
CONFIG_NET_VENDOR_3COM=y
CONFIG_PCMCIA_3C574=y
CONFIG_PCMCIA_3C589=y
CONFIG_VORTEX=y
CONFIG_TYPHOON=y
CONFIG_NET_VENDOR_ADAPTEC=y
CONFIG_ADAPTEC_STARFIRE=y
CONFIG_NET_VENDOR_ALTEON=y
CONFIG_ACENIC=y
# CONFIG_ACENIC_OMIT_TIGON_I is not set
CONFIG_NET_VENDOR_AMD=y
CONFIG_AMD8111_ETH=y
CONFIG_PCNET32=y
CONFIG_PCMCIA_NMCLAN=y
CONFIG_NET_VENDOR_ATHEROS=y
CONFIG_ATL2=y
CONFIG_ATL1=y
CONFIG_ATL1E=y
CONFIG_ATL1C=y
CONFIG_NET_VENDOR_BROADCOM=y
CONFIG_B44=y
CONFIG_B44_PCI_AUTOSELECT=y
CONFIG_B44_PCICORE_AUTOSELECT=y
CONFIG_B44_PCI=y
CONFIG_BNX2=y
CONFIG_CNIC=y
CONFIG_TIGON3=y
CONFIG_BNX2X=y
CONFIG_NET_VENDOR_BROCADE=y
CONFIG_BNA=y
# CONFIG_NET_CALXEDA_XGMAC is not set
CONFIG_NET_VENDOR_CHELSIO=y
CONFIG_CHELSIO_T1=y
CONFIG_CHELSIO_T1_1G=y
CONFIG_CHELSIO_T3=y
CONFIG_CHELSIO_T4=y
CONFIG_CHELSIO_T4VF=y
CONFIG_NET_VENDOR_CISCO=y
CONFIG_ENIC=y
CONFIG_DNET=y
CONFIG_NET_VENDOR_DEC=y
CONFIG_NET_TULIP=y
CONFIG_DE2104X=y
CONFIG_DE2104X_DSL=0
CONFIG_TULIP=y
# CONFIG_TULIP_MWI is not set
# CONFIG_TULIP_MMIO is not set
CONFIG_TULIP_NAPI=y
CONFIG_TULIP_NAPI_HW_MITIGATION=y
CONFIG_DE4X5=y
CONFIG_WINBOND_840=y
CONFIG_DM9102=y
CONFIG_ULI526X=y
CONFIG_PCMCIA_XIRCOM=y
CONFIG_NET_VENDOR_DLINK=y
CONFIG_DE600=y
CONFIG_DE620=y
CONFIG_DL2K=y
CONFIG_SUNDANCE=y
# CONFIG_SUNDANCE_MMIO is not set
CONFIG_NET_VENDOR_EMULEX=y
CONFIG_BE2NET=y
CONFIG_NET_VENDOR_EXAR=y
CONFIG_S2IO=y
CONFIG_VXGE=y
# CONFIG_VXGE_DEBUG_TRACE_ALL is not set
CONFIG_NET_VENDOR_FUJITSU=y
CONFIG_PCMCIA_FMVJ18X=y
CONFIG_NET_VENDOR_HP=y
CONFIG_HP100=y
CONFIG_NET_VENDOR_INTEL=y
CONFIG_E100=y
CONFIG_E1000=y
CONFIG_E1000E=y
CONFIG_IGB=y
CONFIG_IGB_DCA=y
CONFIG_IGBVF=y
CONFIG_IXGB=y
CONFIG_IXGBE=y
CONFIG_IXGBE_DCA=y
CONFIG_IXGBE_DCB=y
CONFIG_IXGBEVF=y
CONFIG_NET_VENDOR_I825XX=y
# CONFIG_ZNET is not set
CONFIG_IP1000=y
CONFIG_JME=y
CONFIG_NET_VENDOR_MARVELL=y
CONFIG_SKGE=y
CONFIG_SKGE_DEBUG=y
CONFIG_SKGE_GENESIS=y
CONFIG_SKY2=y
CONFIG_SKY2_DEBUG=y
CONFIG_NET_VENDOR_MELLANOX=y
CONFIG_MLX4_EN=y
CONFIG_MLX4_CORE=y
CONFIG_MLX4_DEBUG=y
CONFIG_NET_VENDOR_MICREL=y
CONFIG_KS8842=y
CONFIG_KS8851=y
CONFIG_KS8851_MLL=y
CONFIG_KSZ884X_PCI=y
CONFIG_NET_VENDOR_MICROCHIP=y
CONFIG_ENC28J60=y
# CONFIG_ENC28J60_WRITEVERIFY is not set
CONFIG_NET_VENDOR_MYRI=y
CONFIG_MYRI10GE=y
CONFIG_MYRI10GE_DCA=y
CONFIG_FEALNX=y
CONFIG_NET_VENDOR_NATSEMI=y
CONFIG_NATSEMI=y
CONFIG_NS83820=y
CONFIG_NET_VENDOR_8390=y
CONFIG_PCMCIA_AXNET=y
CONFIG_NE2K_PCI=y
CONFIG_PCMCIA_PCNET=y
CONFIG_NET_VENDOR_NVIDIA=y
CONFIG_FORCEDETH=y
CONFIG_NET_VENDOR_OKI=y
CONFIG_PCH_GBE=y
CONFIG_ETHOC=y
CONFIG_NET_PACKET_ENGINE=y
CONFIG_HAMACHI=y
CONFIG_YELLOWFIN=y
CONFIG_NET_VENDOR_QLOGIC=y
CONFIG_QLA3XXX=y
CONFIG_QLCNIC=y
CONFIG_QLGE=y
CONFIG_NETXEN_NIC=y
CONFIG_NET_VENDOR_REALTEK=y
CONFIG_ATP=y
CONFIG_8139CP=y
CONFIG_8139TOO=y
CONFIG_8139TOO_PIO=y
CONFIG_8139TOO_TUNE_TWISTER=y
CONFIG_8139TOO_8129=y
# CONFIG_8139_OLD_RX_RESET is not set
CONFIG_R8169=y
CONFIG_NET_VENDOR_RDC=y
CONFIG_R6040=y
CONFIG_NET_VENDOR_SEEQ=y
# CONFIG_SEEQ8005 is not set
CONFIG_NET_VENDOR_SILAN=y
CONFIG_SC92031=y
CONFIG_NET_VENDOR_SIS=y
CONFIG_SIS900=y
CONFIG_SIS190=y
CONFIG_SFC=y
CONFIG_SFC_MTD=y
CONFIG_SFC_MCDI_MON=y
CONFIG_SFC_SRIOV=y
CONFIG_NET_VENDOR_SMSC=y
CONFIG_PCMCIA_SMC91C92=y
CONFIG_EPIC100=y
CONFIG_SMSC9420=y
CONFIG_NET_VENDOR_STMICRO=y
# CONFIG_STMMAC_ETH is not set
CONFIG_NET_VENDOR_SUN=y
CONFIG_HAPPYMEAL=y
CONFIG_SUNGEM=y
CONFIG_CASSINI=y
CONFIG_NIU=y
CONFIG_NET_VENDOR_TEHUTI=y
CONFIG_TEHUTI=y
CONFIG_NET_VENDOR_TI=y
CONFIG_TLAN=y
CONFIG_NET_VENDOR_VIA=y
CONFIG_VIA_RHINE=y
# CONFIG_VIA_RHINE_MMIO is not set
CONFIG_VIA_VELOCITY=y
CONFIG_NET_VENDOR_XIRCOM=y
CONFIG_PCMCIA_XIRC2PS=y
CONFIG_FDDI=y
CONFIG_DEFXX=y
# CONFIG_DEFXX_MMIO is not set
CONFIG_SKFP=y
CONFIG_HIPPI=y
CONFIG_ROADRUNNER=y
# CONFIG_ROADRUNNER_LARGE_RINGS is not set
CONFIG_NET_SB1000=y
CONFIG_PHYLIB=y
#
# MII PHY device drivers
#
# CONFIG_AMD_PHY is not set
CONFIG_MARVELL_PHY=y
CONFIG_DAVICOM_PHY=y
CONFIG_QSEMI_PHY=y
CONFIG_LXT_PHY=y
CONFIG_CICADA_PHY=y
CONFIG_VITESSE_PHY=y
CONFIG_SMSC_PHY=y
CONFIG_BROADCOM_PHY=y
CONFIG_ICPLUS_PHY=y
CONFIG_REALTEK_PHY=y
CONFIG_NATIONAL_PHY=y
CONFIG_STE10XP=y
CONFIG_LSI_ET1011C_PHY=y
CONFIG_MICREL_PHY=y
# CONFIG_FIXED_PHY is not set
CONFIG_MDIO_BITBANG=y
# CONFIG_MDIO_GPIO is not set
# CONFIG_MICREL_KS8995MA is not set
CONFIG_PLIP=y
CONFIG_PPP=y
CONFIG_PPP_BSDCOMP=y
CONFIG_PPP_DEFLATE=y
CONFIG_PPP_FILTER=y
CONFIG_PPP_MPPE=y
CONFIG_PPP_MULTILINK=y
CONFIG_PPPOATM=y
CONFIG_PPPOE=y
CONFIG_PPTP=y
CONFIG_PPPOL2TP=y
CONFIG_PPP_ASYNC=y
CONFIG_PPP_SYNC_TTY=y
CONFIG_SLIP=y
CONFIG_SLHC=y
CONFIG_SLIP_COMPRESSED=y
CONFIG_SLIP_SMART=y
CONFIG_SLIP_MODE_SLIP6=y
# CONFIG_TR is not set
#
# USB Network Adapters
#
CONFIG_USB_CATC=y
CONFIG_USB_KAWETH=y
CONFIG_USB_PEGASUS=y
CONFIG_USB_RTL8150=y
CONFIG_USB_USBNET=y
CONFIG_USB_NET_AX8817X=y
CONFIG_USB_NET_CDCETHER=y
CONFIG_USB_NET_CDC_EEM=y
CONFIG_USB_NET_CDC_NCM=y
CONFIG_USB_NET_DM9601=y
CONFIG_USB_NET_SMSC75XX=y
CONFIG_USB_NET_SMSC95XX=y
CONFIG_USB_NET_GL620A=y
CONFIG_USB_NET_NET1080=y
CONFIG_USB_NET_PLUSB=y
CONFIG_USB_NET_MCS7830=y
CONFIG_USB_NET_RNDIS_HOST=y
CONFIG_USB_NET_CDC_SUBSET=y
CONFIG_USB_ALI_M5632=y
CONFIG_USB_AN2720=y
CONFIG_USB_BELKIN=y
CONFIG_USB_ARMLINUX=y
CONFIG_USB_EPSON2888=y
CONFIG_USB_KC2190=y
CONFIG_USB_NET_ZAURUS=y
CONFIG_USB_NET_CX82310_ETH=y
CONFIG_USB_NET_KALMIA=y
# CONFIG_USB_NET_QMI_WWAN is not set
CONFIG_USB_HSO=y
CONFIG_USB_NET_INT51X1=y
CONFIG_USB_CDC_PHONET=y
CONFIG_USB_IPHETH=y
CONFIG_USB_SIERRA_NET=y
CONFIG_USB_VL600=y
CONFIG_WLAN=y
CONFIG_PCMCIA_RAYCS=y
CONFIG_LIBERTAS_THINFIRM=y
# CONFIG_LIBERTAS_THINFIRM_DEBUG is not set
CONFIG_LIBERTAS_THINFIRM_USB=y
CONFIG_AIRO=y
CONFIG_ATMEL=y
CONFIG_PCI_ATMEL=y
CONFIG_PCMCIA_ATMEL=y
CONFIG_AT76C50X_USB=y
CONFIG_AIRO_CS=y
CONFIG_PCMCIA_WL3501=y
# CONFIG_PRISM54 is not set
CONFIG_USB_ZD1201=y
CONFIG_USB_NET_RNDIS_WLAN=y
CONFIG_RTL8180=y
CONFIG_RTL8187=y
CONFIG_RTL8187_LEDS=y
CONFIG_ADM8211=y
CONFIG_MAC80211_HWSIM=y
CONFIG_MWL8K=y
CONFIG_ATH_COMMON=y
# CONFIG_ATH_DEBUG is not set
CONFIG_ATH5K=y
# CONFIG_ATH5K_DEBUG is not set
# CONFIG_ATH5K_TRACER is not set
CONFIG_ATH5K_PCI=y
CONFIG_ATH9K_HW=y
CONFIG_ATH9K_COMMON=y
CONFIG_ATH9K_BTCOEX_SUPPORT=y
CONFIG_ATH9K=y
CONFIG_ATH9K_PCI=y
# CONFIG_ATH9K_AHB is not set
# CONFIG_ATH9K_DEBUGFS is not set
CONFIG_ATH9K_RATE_CONTROL=y
CONFIG_ATH9K_HTC=y
# CONFIG_ATH9K_HTC_DEBUGFS is not set
CONFIG_CARL9170=y
CONFIG_CARL9170_LEDS=y
CONFIG_CARL9170_WPC=y
# CONFIG_CARL9170_HWRNG is not set
# CONFIG_ATH6KL is not set
CONFIG_B43=y
CONFIG_B43_BCMA=y
# CONFIG_B43_BCMA_EXTRA is not set
CONFIG_B43_SSB=y
CONFIG_B43_PCI_AUTOSELECT=y
CONFIG_B43_PCICORE_AUTOSELECT=y
CONFIG_B43_PCMCIA=y
CONFIG_B43_SDIO=y
CONFIG_B43_BCMA_PIO=y
CONFIG_B43_PIO=y
CONFIG_B43_PHY_N=y
CONFIG_B43_PHY_LP=y
CONFIG_B43_PHY_HT=y
CONFIG_B43_LEDS=y
CONFIG_B43_HWRNG=y
# CONFIG_B43_DEBUG is not set
CONFIG_B43LEGACY=y
CONFIG_B43LEGACY_PCI_AUTOSELECT=y
CONFIG_B43LEGACY_PCICORE_AUTOSELECT=y
CONFIG_B43LEGACY_LEDS=y
CONFIG_B43LEGACY_HWRNG=y
CONFIG_B43LEGACY_DEBUG=y
CONFIG_B43LEGACY_DMA=y
CONFIG_B43LEGACY_PIO=y
CONFIG_B43LEGACY_DMA_AND_PIO_MODE=y
# CONFIG_B43LEGACY_DMA_MODE is not set
# CONFIG_B43LEGACY_PIO_MODE is not set
CONFIG_BRCMUTIL=y
CONFIG_BRCMSMAC=y
# CONFIG_BRCMFMAC is not set
# CONFIG_BRCMDBG is not set
CONFIG_HOSTAP=y
CONFIG_HOSTAP_FIRMWARE=y
# CONFIG_HOSTAP_FIRMWARE_NVRAM is not set
CONFIG_HOSTAP_PLX=y
CONFIG_HOSTAP_PCI=y
CONFIG_HOSTAP_CS=y
# CONFIG_IPW2100 is not set
CONFIG_IPW2200=y
CONFIG_IPW2200_MONITOR=y
CONFIG_IPW2200_RADIOTAP=y
CONFIG_IPW2200_PROMISCUOUS=y
CONFIG_IPW2200_QOS=y
# CONFIG_IPW2200_DEBUG is not set
CONFIG_LIBIPW=y
# CONFIG_LIBIPW_DEBUG is not set
CONFIG_IWLWIFI=y
#
# Debugging Options
#
# CONFIG_IWLWIFI_DEBUG is not set
# CONFIG_IWLWIFI_DEVICE_TRACING is not set
CONFIG_IWLWIFI_P2P=y
# CONFIG_IWLWIFI_EXPERIMENTAL_MFP is not set
CONFIG_IWLEGACY=y
CONFIG_IWL4965=y
CONFIG_IWL3945=y
#
# iwl3945 / iwl4965 Debugging Options
#
# CONFIG_IWLEGACY_DEBUG is not set
CONFIG_IWM=y
# CONFIG_IWM_DEBUG is not set
# CONFIG_IWM_TRACING is not set
CONFIG_LIBERTAS=y
CONFIG_LIBERTAS_USB=y
CONFIG_LIBERTAS_CS=y
CONFIG_LIBERTAS_SDIO=y
CONFIG_LIBERTAS_SPI=y
# CONFIG_LIBERTAS_DEBUG is not set
CONFIG_LIBERTAS_MESH=y
CONFIG_HERMES=y
# CONFIG_HERMES_PRISM is not set
CONFIG_HERMES_CACHE_FW_ON_INIT=y
CONFIG_PLX_HERMES=y
CONFIG_TMD_HERMES=y
CONFIG_NORTEL_HERMES=y
CONFIG_PCMCIA_HERMES=y
CONFIG_PCMCIA_SPECTRUM=y
CONFIG_ORINOCO_USB=y
CONFIG_P54_COMMON=y
CONFIG_P54_USB=y
CONFIG_P54_PCI=y
CONFIG_P54_SPI=y
# CONFIG_P54_SPI_DEFAULT_EEPROM is not set
CONFIG_P54_LEDS=y
CONFIG_RT2X00=y
CONFIG_RT2400PCI=y
CONFIG_RT2500PCI=y
CONFIG_RT61PCI=y
CONFIG_RT2800PCI=y
CONFIG_RT2800PCI_RT33XX=y
CONFIG_RT2800PCI_RT35XX=y
CONFIG_RT2800PCI_RT53XX=y
CONFIG_RT2500USB=y
CONFIG_RT73USB=y
CONFIG_RT2800USB=y
CONFIG_RT2800USB_RT33XX=y
CONFIG_RT2800USB_RT35XX=y
CONFIG_RT2800USB_RT53XX=y
# CONFIG_RT2800USB_UNKNOWN is not set
CONFIG_RT2800_LIB=y
CONFIG_RT2X00_LIB_PCI=y
CONFIG_RT2X00_LIB_USB=y
CONFIG_RT2X00_LIB=y
CONFIG_RT2X00_LIB_FIRMWARE=y
CONFIG_RT2X00_LIB_CRYPTO=y
CONFIG_RT2X00_LIB_LEDS=y
# CONFIG_RT2X00_DEBUG is not set
CONFIG_RTL8192CE=y
CONFIG_RTL8192SE=y
CONFIG_RTL8192DE=y
CONFIG_RTL8192CU=y
CONFIG_RTLWIFI=y
CONFIG_RTLWIFI_DEBUG=y
CONFIG_RTL8192C_COMMON=y
# CONFIG_WL1251 is not set
# CONFIG_WL12XX_MENU is not set
CONFIG_ZD1211RW=y
# CONFIG_ZD1211RW_DEBUG is not set
CONFIG_MWIFIEX=y
CONFIG_MWIFIEX_SDIO=y
CONFIG_MWIFIEX_PCIE=y
#
# WiMAX Wireless Broadband devices
#
CONFIG_WIMAX_I2400M=y
CONFIG_WIMAX_I2400M_USB=y
CONFIG_WIMAX_I2400M_SDIO=y
CONFIG_WIMAX_IWMC3200_SDIO=y
CONFIG_WIMAX_I2400M_DEBUG_LEVEL=8
CONFIG_WAN=y
CONFIG_LANMEDIA=y
CONFIG_HDLC=y
CONFIG_HDLC_RAW=y
CONFIG_HDLC_RAW_ETH=y
CONFIG_HDLC_CISCO=y
CONFIG_HDLC_FR=y
CONFIG_HDLC_PPP=y
# CONFIG_HDLC_X25 is not set
CONFIG_PCI200SYN=y
CONFIG_WANXL=y
# CONFIG_PC300TOO is not set
CONFIG_FARSYNC=y
CONFIG_DSCC4=m
CONFIG_DSCC4_PCISYNC=y
CONFIG_DSCC4_PCI_RST=y
CONFIG_DLCI=y
CONFIG_DLCI_MAX=8
CONFIG_WAN_ROUTER_DRIVERS=y
CONFIG_CYCLADES_SYNC=y
# CONFIG_CYCLOMX_X25 is not set
CONFIG_SBNI=y
# CONFIG_SBNI_MULTILINE is not set
CONFIG_XEN_NETDEV_FRONTEND=y
CONFIG_XEN_NETDEV_BACKEND=y
CONFIG_VMXNET3=y
CONFIG_HYPERV_NET=y
CONFIG_ISDN=y
# CONFIG_ISDN_I4L is not set
CONFIG_ISDN_CAPI=y
CONFIG_ISDN_DRV_AVMB1_VERBOSE_REASON=y
CONFIG_CAPI_TRACE=y
CONFIG_ISDN_CAPI_MIDDLEWARE=y
CONFIG_ISDN_CAPI_CAPI20=y
#
# CAPI hardware drivers
#
CONFIG_CAPI_AVM=y
CONFIG_ISDN_DRV_AVMB1_B1PCI=y
CONFIG_ISDN_DRV_AVMB1_B1PCIV4=y
CONFIG_ISDN_DRV_AVMB1_B1PCMCIA=y
CONFIG_ISDN_DRV_AVMB1_AVM_CS=y
CONFIG_ISDN_DRV_AVMB1_T1PCI=y
CONFIG_ISDN_DRV_AVMB1_C4=y
# CONFIG_CAPI_EICON is not set
CONFIG_ISDN_DRV_GIGASET=y
CONFIG_GIGASET_CAPI=y
# CONFIG_GIGASET_DUMMYLL is not set
CONFIG_GIGASET_BASE=y
CONFIG_GIGASET_M105=y
CONFIG_GIGASET_M101=y
# CONFIG_GIGASET_DEBUG is not set
CONFIG_HYSDN=m
CONFIG_HYSDN_CAPI=y
CONFIG_MISDN=y
CONFIG_MISDN_DSP=y
CONFIG_MISDN_L1OIP=y
#
# mISDN hardware drivers
#
CONFIG_MISDN_HFCPCI=y
CONFIG_MISDN_HFCMULTI=y
CONFIG_MISDN_HFCUSB=y
CONFIG_MISDN_AVMFRITZ=y
CONFIG_MISDN_SPEEDFAX=y
CONFIG_MISDN_INFINEON=y
CONFIG_MISDN_W6692=y
# CONFIG_MISDN_NETJET is not set
CONFIG_MISDN_IPAC=y
CONFIG_MISDN_ISAR=y
#
# Input device support
#
CONFIG_INPUT=y
CONFIG_INPUT_FF_MEMLESS=y
CONFIG_INPUT_POLLDEV=y
CONFIG_INPUT_SPARSEKMAP=y
#
# Userland interfaces
#
CONFIG_INPUT_MOUSEDEV=y
CONFIG_INPUT_MOUSEDEV_PSAUX=y
CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
CONFIG_INPUT_JOYDEV=y
CONFIG_INPUT_EVDEV=y
# CONFIG_INPUT_EVBUG is not set
#
# Input Device Drivers
#
CONFIG_INPUT_KEYBOARD=y
CONFIG_KEYBOARD_ADP5588=y
# CONFIG_KEYBOARD_ADP5589 is not set
CONFIG_KEYBOARD_ATKBD=y
# CONFIG_KEYBOARD_QT1070 is not set
CONFIG_KEYBOARD_QT2160=y
CONFIG_KEYBOARD_LKKBD=y
# CONFIG_KEYBOARD_GPIO is not set
# CONFIG_KEYBOARD_GPIO_POLLED is not set
# CONFIG_KEYBOARD_TCA6416 is not set
# CONFIG_KEYBOARD_TCA8418 is not set
# CONFIG_KEYBOARD_MATRIX is not set
CONFIG_KEYBOARD_LM8323=y
CONFIG_KEYBOARD_MAX7359=y
# CONFIG_KEYBOARD_MCS is not set
# CONFIG_KEYBOARD_MPR121 is not set
CONFIG_KEYBOARD_NEWTON=y
CONFIG_KEYBOARD_OPENCORES=y
CONFIG_KEYBOARD_STOWAWAY=y
CONFIG_KEYBOARD_SUNKBD=y
# CONFIG_KEYBOARD_OMAP4 is not set
CONFIG_KEYBOARD_XTKBD=y
CONFIG_INPUT_MOUSE=y
CONFIG_MOUSE_PS2=y
CONFIG_MOUSE_PS2_ALPS=y
CONFIG_MOUSE_PS2_LOGIPS2PP=y
CONFIG_MOUSE_PS2_SYNAPTICS=y
CONFIG_MOUSE_PS2_LIFEBOOK=y
CONFIG_MOUSE_PS2_TRACKPOINT=y
CONFIG_MOUSE_PS2_ELANTECH=y
CONFIG_MOUSE_PS2_SENTELIC=y
# CONFIG_MOUSE_PS2_TOUCHKIT is not set
CONFIG_MOUSE_SERIAL=y
CONFIG_MOUSE_APPLETOUCH=y
CONFIG_MOUSE_BCM5974=y
CONFIG_MOUSE_VSXXXAA=y
# CONFIG_MOUSE_GPIO is not set
CONFIG_MOUSE_SYNAPTICS_I2C=y
# CONFIG_MOUSE_SYNAPTICS_USB is not set
CONFIG_INPUT_JOYSTICK=y
CONFIG_JOYSTICK_ANALOG=y
CONFIG_JOYSTICK_A3D=y
CONFIG_JOYSTICK_ADI=y
CONFIG_JOYSTICK_COBRA=y
CONFIG_JOYSTICK_GF2K=y
CONFIG_JOYSTICK_GRIP=y
CONFIG_JOYSTICK_GRIP_MP=y
CONFIG_JOYSTICK_GUILLEMOT=y
CONFIG_JOYSTICK_INTERACT=y
CONFIG_JOYSTICK_SIDEWINDER=y
CONFIG_JOYSTICK_TMDC=y
CONFIG_JOYSTICK_IFORCE=y
CONFIG_JOYSTICK_IFORCE_USB=y
CONFIG_JOYSTICK_IFORCE_232=y
CONFIG_JOYSTICK_WARRIOR=y
CONFIG_JOYSTICK_MAGELLAN=y
CONFIG_JOYSTICK_SPACEORB=y
CONFIG_JOYSTICK_SPACEBALL=y
CONFIG_JOYSTICK_STINGER=y
CONFIG_JOYSTICK_TWIDJOY=y
CONFIG_JOYSTICK_ZHENHUA=y
CONFIG_JOYSTICK_DB9=y
CONFIG_JOYSTICK_GAMECON=y
CONFIG_JOYSTICK_TURBOGRAFX=y
# CONFIG_JOYSTICK_AS5011 is not set
CONFIG_JOYSTICK_JOYDUMP=y
CONFIG_JOYSTICK_XPAD=y
CONFIG_JOYSTICK_XPAD_FF=y
CONFIG_JOYSTICK_XPAD_LEDS=y
CONFIG_JOYSTICK_WALKERA0701=y
CONFIG_INPUT_TABLET=y
CONFIG_TABLET_USB_ACECAD=y
CONFIG_TABLET_USB_AIPTEK=y
CONFIG_TABLET_USB_GTCO=y
CONFIG_TABLET_USB_HANWANG=y
CONFIG_TABLET_USB_KBTAB=y
CONFIG_TABLET_USB_WACOM=y
CONFIG_INPUT_TOUCHSCREEN=y
CONFIG_TOUCHSCREEN_ADS7846=y
CONFIG_TOUCHSCREEN_AD7877=y
CONFIG_TOUCHSCREEN_AD7879=y
CONFIG_TOUCHSCREEN_AD7879_I2C=y
# CONFIG_TOUCHSCREEN_AD7879_SPI is not set
# CONFIG_TOUCHSCREEN_ATMEL_MXT is not set
# CONFIG_TOUCHSCREEN_AUO_PIXCIR is not set
# CONFIG_TOUCHSCREEN_BU21013 is not set
# CONFIG_TOUCHSCREEN_CY8CTMG110 is not set
# CONFIG_TOUCHSCREEN_CYTTSP_CORE is not set
CONFIG_TOUCHSCREEN_DYNAPRO=y
CONFIG_TOUCHSCREEN_HAMPSHIRE=y
CONFIG_TOUCHSCREEN_EETI=y
# CONFIG_TOUCHSCREEN_EGALAX is not set
CONFIG_TOUCHSCREEN_FUJITSU=y
# CONFIG_TOUCHSCREEN_ILI210X is not set
CONFIG_TOUCHSCREEN_GUNZE=y
CONFIG_TOUCHSCREEN_ELO=y
CONFIG_TOUCHSCREEN_WACOM_W8001=y
# CONFIG_TOUCHSCREEN_MAX11801 is not set
CONFIG_TOUCHSCREEN_MCS5000=y
CONFIG_TOUCHSCREEN_MTOUCH=y
CONFIG_TOUCHSCREEN_INEXIO=y
CONFIG_TOUCHSCREEN_MK712=y
CONFIG_TOUCHSCREEN_PENMOUNT=y
CONFIG_TOUCHSCREEN_TOUCHRIGHT=y
CONFIG_TOUCHSCREEN_TOUCHWIN=y
# CONFIG_TOUCHSCREEN_PIXCIR is not set
CONFIG_TOUCHSCREEN_WM97XX=y
CONFIG_TOUCHSCREEN_WM9705=y
CONFIG_TOUCHSCREEN_WM9712=y
CONFIG_TOUCHSCREEN_WM9713=y
CONFIG_TOUCHSCREEN_USB_COMPOSITE=y
CONFIG_TOUCHSCREEN_USB_EGALAX=y
CONFIG_TOUCHSCREEN_USB_PANJIT=y
CONFIG_TOUCHSCREEN_USB_3M=y
CONFIG_TOUCHSCREEN_USB_ITM=y
CONFIG_TOUCHSCREEN_USB_ETURBO=y
CONFIG_TOUCHSCREEN_USB_GUNZE=y
CONFIG_TOUCHSCREEN_USB_DMC_TSC10=y
CONFIG_TOUCHSCREEN_USB_IRTOUCH=y
CONFIG_TOUCHSCREEN_USB_IDEALTEK=y
CONFIG_TOUCHSCREEN_USB_GENERAL_TOUCH=y
CONFIG_TOUCHSCREEN_USB_GOTOP=y
CONFIG_TOUCHSCREEN_USB_JASTEC=y
CONFIG_TOUCHSCREEN_USB_ELO=y
CONFIG_TOUCHSCREEN_USB_E2I=y
CONFIG_TOUCHSCREEN_USB_ZYTRONIC=y
CONFIG_TOUCHSCREEN_USB_ETT_TC45USB=y
CONFIG_TOUCHSCREEN_USB_NEXIO=y
CONFIG_TOUCHSCREEN_USB_EASYTOUCH=y
CONFIG_TOUCHSCREEN_TOUCHIT213=y
# CONFIG_TOUCHSCREEN_TSC_SERIO is not set
# CONFIG_TOUCHSCREEN_TSC2005 is not set
CONFIG_TOUCHSCREEN_TSC2007=y
# CONFIG_TOUCHSCREEN_ST1232 is not set
CONFIG_TOUCHSCREEN_TPS6507X=y
CONFIG_INPUT_MISC=y
# CONFIG_INPUT_AD714X is not set
# CONFIG_INPUT_BMA150 is not set
CONFIG_INPUT_PCSPKR=y
# CONFIG_INPUT_MMA8450 is not set
# CONFIG_INPUT_MPU3050 is not set
CONFIG_INPUT_APANEL=y
# CONFIG_INPUT_GP2A is not set
# CONFIG_INPUT_GPIO_TILT_POLLED is not set
CONFIG_INPUT_ATLAS_BTNS=y
CONFIG_INPUT_ATI_REMOTE2=y
CONFIG_INPUT_KEYSPAN_REMOTE=y
# CONFIG_INPUT_KXTJ9 is not set
CONFIG_INPUT_POWERMATE=y
CONFIG_INPUT_YEALINK=y
CONFIG_INPUT_CM109=y
CONFIG_INPUT_UINPUT=y
CONFIG_INPUT_PCF50633_PMU=y
# CONFIG_INPUT_PCF8574 is not set
# CONFIG_INPUT_GPIO_ROTARY_ENCODER is not set
# CONFIG_INPUT_ADXL34X is not set
# CONFIG_INPUT_CMA3000 is not set
CONFIG_INPUT_XEN_KBDDEV_FRONTEND=y
#
# Hardware I/O ports
#
CONFIG_SERIO=y
CONFIG_SERIO_I8042=y
CONFIG_SERIO_SERPORT=y
CONFIG_SERIO_CT82C710=y
CONFIG_SERIO_PARKBD=y
CONFIG_SERIO_PCIPS2=y
CONFIG_SERIO_LIBPS2=y
CONFIG_SERIO_RAW=y
CONFIG_SERIO_ALTERA_PS2=y
# CONFIG_SERIO_PS2MULT is not set
CONFIG_GAMEPORT=y
CONFIG_GAMEPORT_NS558=y
CONFIG_GAMEPORT_L4=y
CONFIG_GAMEPORT_EMU10K1=y
CONFIG_GAMEPORT_FM801=y
#
# Character devices
#
CONFIG_VT=y
CONFIG_CONSOLE_TRANSLATIONS=y
CONFIG_VT_CONSOLE=y
CONFIG_VT_CONSOLE_SLEEP=y
CONFIG_HW_CONSOLE=y
CONFIG_VT_HW_CONSOLE_BINDING=y
CONFIG_UNIX98_PTYS=y
CONFIG_DEVPTS_MULTIPLE_INSTANCES=y
# CONFIG_LEGACY_PTYS is not set
CONFIG_SERIAL_NONSTANDARD=y
CONFIG_ROCKETPORT=y
CONFIG_CYCLADES=y
# CONFIG_CYZ_INTR is not set
CONFIG_MOXA_INTELLIO=y
CONFIG_MOXA_SMARTIO=y
CONFIG_SYNCLINK=y
CONFIG_SYNCLINKMP=y
CONFIG_SYNCLINK_GT=y
CONFIG_NOZOMI=y
CONFIG_ISI=y
CONFIG_N_HDLC=y
CONFIG_N_GSM=y
# CONFIG_TRACE_SINK is not set
# CONFIG_DEVKMEM is not set
CONFIG_STALDRV=y
#
# Serial drivers
#
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_FIX_EARLYCON_MEM=y
CONFIG_SERIAL_8250_PCI=y
CONFIG_SERIAL_8250_PNP=y
CONFIG_SERIAL_8250_CS=y
CONFIG_SERIAL_8250_NR_UARTS=32
CONFIG_SERIAL_8250_RUNTIME_UARTS=4
CONFIG_SERIAL_8250_EXTENDED=y
CONFIG_SERIAL_8250_MANY_PORTS=y
CONFIG_SERIAL_8250_SHARE_IRQ=y
# CONFIG_SERIAL_8250_DETECT_IRQ is not set
CONFIG_SERIAL_8250_RSA=y
#
# Non-8250 serial port support
#
CONFIG_SERIAL_MAX3100=y
# CONFIG_SERIAL_MAX3107 is not set
CONFIG_SERIAL_MFD_HSU=y
# CONFIG_SERIAL_MFD_HSU_CONSOLE is not set
CONFIG_SERIAL_CORE=y
CONFIG_SERIAL_CORE_CONSOLE=y
CONFIG_SERIAL_JSM=y
# CONFIG_SERIAL_TIMBERDALE is not set
# CONFIG_SERIAL_ALTERA_JTAGUART is not set
# CONFIG_SERIAL_ALTERA_UART is not set
# CONFIG_SERIAL_IFX6X60 is not set
CONFIG_SERIAL_PCH_UART=y
# CONFIG_SERIAL_PCH_UART_CONSOLE is not set
# CONFIG_SERIAL_XILINX_PS_UART is not set
CONFIG_PRINTER=y
# CONFIG_LP_CONSOLE is not set
CONFIG_PPDEV=y
CONFIG_HVC_DRIVER=y
CONFIG_HVC_IRQ=y
CONFIG_HVC_XEN=y
CONFIG_HVC_XEN_FRONTEND=y
CONFIG_VIRTIO_CONSOLE=y
CONFIG_IPMI_HANDLER=y
# CONFIG_IPMI_PANIC_EVENT is not set
CONFIG_IPMI_DEVICE_INTERFACE=y
CONFIG_IPMI_SI=y
CONFIG_IPMI_WATCHDOG=y
CONFIG_IPMI_POWEROFF=y
CONFIG_HW_RANDOM=y
CONFIG_HW_RANDOM_TIMERIOMEM=y
CONFIG_HW_RANDOM_INTEL=y
CONFIG_HW_RANDOM_AMD=y
CONFIG_HW_RANDOM_VIA=y
CONFIG_HW_RANDOM_VIRTIO=y
CONFIG_NVRAM=y
CONFIG_R3964=y
CONFIG_APPLICOM=y
#
# PCMCIA character devices
#
CONFIG_SYNCLINK_CS=y
CONFIG_CARDMAN_4000=y
CONFIG_CARDMAN_4040=y
CONFIG_IPWIRELESS=y
CONFIG_MWAVE=y
CONFIG_RAW_DRIVER=y
CONFIG_MAX_RAW_DEVS=256
CONFIG_HPET=y
CONFIG_HPET_MMAP=y
CONFIG_HANGCHECK_TIMER=y
CONFIG_TCG_TPM=y
CONFIG_TCG_TIS=y
CONFIG_TCG_NSC=y
CONFIG_TCG_ATMEL=y
CONFIG_TCG_INFINEON=y
CONFIG_TELCLOCK=y
CONFIG_DEVPORT=y
# CONFIG_RAMOOPS is not set
CONFIG_I2C=y
CONFIG_I2C_BOARDINFO=y
CONFIG_I2C_COMPAT=y
CONFIG_I2C_CHARDEV=y
# CONFIG_I2C_MUX is not set
CONFIG_I2C_HELPER_AUTO=y
CONFIG_I2C_SMBUS=y
CONFIG_I2C_ALGOBIT=y
CONFIG_I2C_ALGOPCA=y
#
# I2C Hardware Bus support
#
#
# PC SMBus host controller drivers
#
CONFIG_I2C_ALI1535=y
CONFIG_I2C_ALI1563=y
CONFIG_I2C_ALI15X3=y
CONFIG_I2C_AMD756=y
CONFIG_I2C_AMD756_S4882=y
CONFIG_I2C_AMD8111=y
CONFIG_I2C_I801=y
CONFIG_I2C_ISCH=y
CONFIG_I2C_PIIX4=y
CONFIG_I2C_NFORCE2=y
CONFIG_I2C_NFORCE2_S4985=y
CONFIG_I2C_SIS5595=y
CONFIG_I2C_SIS630=y
CONFIG_I2C_SIS96X=y
CONFIG_I2C_VIA=y
CONFIG_I2C_VIAPRO=y
#
# ACPI drivers
#
CONFIG_I2C_SCMI=y
#
# I2C system bus drivers (mostly embedded / system-on-chip)
#
# CONFIG_I2C_DESIGNWARE_PCI is not set
CONFIG_I2C_EG20T=y
# CONFIG_I2C_GPIO is not set
# CONFIG_I2C_INTEL_MID is not set
CONFIG_I2C_OCORES=y
CONFIG_I2C_PCA_PLATFORM=y
# CONFIG_I2C_PXA_PCI is not set
CONFIG_I2C_SIMTEC=y
# CONFIG_I2C_XILINX is not set
#
# External I2C/SMBus adapter drivers
#
CONFIG_I2C_DIOLAN_U2C=y
CONFIG_I2C_PARPORT=y
CONFIG_I2C_PARPORT_LIGHT=y
CONFIG_I2C_TAOS_EVM=y
CONFIG_I2C_TINY_USB=y
#
# Other I2C/SMBus bus drivers
#
CONFIG_I2C_STUB=m
# CONFIG_I2C_DEBUG_CORE is not set
# CONFIG_I2C_DEBUG_ALGO is not set
# CONFIG_I2C_DEBUG_BUS is not set
CONFIG_SPI=y
# CONFIG_SPI_DEBUG is not set
CONFIG_SPI_MASTER=y
#
# SPI Master Controller Drivers
#
# CONFIG_SPI_ALTERA is not set
CONFIG_SPI_BITBANG=y
CONFIG_SPI_BUTTERFLY=y
# CONFIG_SPI_GPIO is not set
CONFIG_SPI_LM70_LLP=y
# CONFIG_SPI_OC_TINY is not set
# CONFIG_SPI_PXA2XX_PCI is not set
CONFIG_SPI_TOPCLIFF_PCH=y
# CONFIG_SPI_XILINX is not set
# CONFIG_SPI_DESIGNWARE is not set
#
# SPI Protocol Masters
#
# CONFIG_SPI_SPIDEV is not set
CONFIG_SPI_TLE62X0=y
# CONFIG_HSI is not set
#
# PPS support
#
CONFIG_PPS=y
# CONFIG_PPS_DEBUG is not set
#
# PPS clients support
#
# CONFIG_PPS_CLIENT_KTIMER is not set
CONFIG_PPS_CLIENT_LDISC=y
CONFIG_PPS_CLIENT_PARPORT=y
# CONFIG_PPS_CLIENT_GPIO is not set
#
# PPS generators support
#
#
# PTP clock support
#
CONFIG_PTP_1588_CLOCK=y
#
# Enable PHYLIB and NETWORK_PHY_TIMESTAMPING to see the additional clocks.
#
# CONFIG_PTP_1588_CLOCK_PCH is not set
CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
CONFIG_GPIOLIB=y
# CONFIG_DEBUG_GPIO is not set
# CONFIG_GPIO_SYSFS is not set
#
# Memory mapped GPIO drivers:
#
# CONFIG_GPIO_GENERIC_PLATFORM is not set
# CONFIG_GPIO_IT8761E is not set
# CONFIG_GPIO_SCH is not set
# CONFIG_GPIO_VX855 is not set
#
# I2C GPIO expanders:
#
# CONFIG_GPIO_MAX7300 is not set
# CONFIG_GPIO_MAX732X is not set
# CONFIG_GPIO_PCA953X is not set
# CONFIG_GPIO_PCF857X is not set
# CONFIG_GPIO_SX150X is not set
# CONFIG_GPIO_ADP5588 is not set
#
# PCI GPIO expanders:
#
# CONFIG_GPIO_LANGWELL is not set
CONFIG_GPIO_PCH=y
CONFIG_GPIO_ML_IOH=y
# CONFIG_GPIO_RDC321X is not set
#
# SPI GPIO expanders:
#
# CONFIG_GPIO_MAX7301 is not set
# CONFIG_GPIO_MCP23S08 is not set
# CONFIG_GPIO_MC33880 is not set
# CONFIG_GPIO_74X164 is not set
#
# AC97 GPIO expanders:
#
#
# MODULbus GPIO expanders:
#
CONFIG_W1=y
CONFIG_W1_CON=y
#
# 1-wire Bus Masters
#
CONFIG_W1_MASTER_MATROX=y
CONFIG_W1_MASTER_DS2490=y
CONFIG_W1_MASTER_DS2482=y
# CONFIG_W1_MASTER_DS1WM is not set
# CONFIG_W1_MASTER_GPIO is not set
#
# 1-wire Slaves
#
CONFIG_W1_SLAVE_THERM=y
CONFIG_W1_SLAVE_SMEM=y
# CONFIG_W1_SLAVE_DS2408 is not set
# CONFIG_W1_SLAVE_DS2423 is not set
CONFIG_W1_SLAVE_DS2431=y
CONFIG_W1_SLAVE_DS2433=y
# CONFIG_W1_SLAVE_DS2433_CRC is not set
CONFIG_W1_SLAVE_DS2760=y
# CONFIG_W1_SLAVE_DS2780 is not set
# CONFIG_W1_SLAVE_DS2781 is not set
CONFIG_W1_SLAVE_BQ27000=y
CONFIG_POWER_SUPPLY=y
# CONFIG_POWER_SUPPLY_DEBUG is not set
CONFIG_PDA_POWER=y
# CONFIG_TEST_POWER is not set
CONFIG_BATTERY_DS2760=y
# CONFIG_BATTERY_DS2780 is not set
# CONFIG_BATTERY_DS2781 is not set
CONFIG_BATTERY_DS2782=y
# CONFIG_BATTERY_WM97XX is not set
# CONFIG_BATTERY_SBS is not set
CONFIG_BATTERY_BQ27x00=y
CONFIG_BATTERY_BQ27X00_I2C=y
CONFIG_BATTERY_BQ27X00_PLATFORM=y
CONFIG_BATTERY_MAX17040=y
# CONFIG_BATTERY_MAX17042 is not set
CONFIG_CHARGER_PCF50633=y
# CONFIG_CHARGER_ISP1704 is not set
# CONFIG_CHARGER_MAX8903 is not set
# CONFIG_CHARGER_LP8727 is not set
# CONFIG_CHARGER_GPIO is not set
# CONFIG_CHARGER_MANAGER is not set
# CONFIG_CHARGER_SMB347 is not set
CONFIG_HWMON=y
CONFIG_HWMON_VID=y
# CONFIG_HWMON_DEBUG_CHIP is not set
#
# Native drivers
#
CONFIG_SENSORS_ABITUGURU=y
CONFIG_SENSORS_ABITUGURU3=y
# CONFIG_SENSORS_AD7314 is not set
CONFIG_SENSORS_AD7414=y
CONFIG_SENSORS_AD7418=y
CONFIG_SENSORS_ADCXX=y
CONFIG_SENSORS_ADM1021=y
CONFIG_SENSORS_ADM1025=y
CONFIG_SENSORS_ADM1026=y
CONFIG_SENSORS_ADM1029=y
CONFIG_SENSORS_ADM1031=y
CONFIG_SENSORS_ADM9240=y
CONFIG_SENSORS_ADT7411=y
CONFIG_SENSORS_ADT7462=y
CONFIG_SENSORS_ADT7470=y
CONFIG_SENSORS_ADT7475=y
CONFIG_SENSORS_ASC7621=y
CONFIG_SENSORS_K8TEMP=y
CONFIG_SENSORS_K10TEMP=y
CONFIG_SENSORS_FAM15H_POWER=y
CONFIG_SENSORS_ASB100=y
CONFIG_SENSORS_ATXP1=y
CONFIG_SENSORS_DS620=y
CONFIG_SENSORS_DS1621=y
CONFIG_SENSORS_I5K_AMB=y
CONFIG_SENSORS_F71805F=y
CONFIG_SENSORS_F71882FG=y
CONFIG_SENSORS_F75375S=y
CONFIG_SENSORS_FSCHMD=y
CONFIG_SENSORS_G760A=y
CONFIG_SENSORS_GL518SM=y
CONFIG_SENSORS_GL520SM=y
# CONFIG_SENSORS_GPIO_FAN is not set
CONFIG_SENSORS_CORETEMP=y
CONFIG_SENSORS_IBMAEM=y
CONFIG_SENSORS_IBMPEX=y
CONFIG_SENSORS_IT87=y
# CONFIG_SENSORS_JC42 is not set
CONFIG_SENSORS_LINEAGE=y
CONFIG_SENSORS_LM63=y
CONFIG_SENSORS_LM70=y
CONFIG_SENSORS_LM73=y
CONFIG_SENSORS_LM75=y
CONFIG_SENSORS_LM77=y
CONFIG_SENSORS_LM78=y
CONFIG_SENSORS_LM80=y
CONFIG_SENSORS_LM83=y
CONFIG_SENSORS_LM85=y
CONFIG_SENSORS_LM87=y
CONFIG_SENSORS_LM90=y
CONFIG_SENSORS_LM92=y
CONFIG_SENSORS_LM93=y
CONFIG_SENSORS_LTC4151=y
CONFIG_SENSORS_LTC4215=y
CONFIG_SENSORS_LTC4245=y
CONFIG_SENSORS_LTC4261=y
CONFIG_SENSORS_LM95241=y
CONFIG_SENSORS_LM95245=y
CONFIG_SENSORS_MAX1111=y
CONFIG_SENSORS_MAX16065=y
CONFIG_SENSORS_MAX1619=y
CONFIG_SENSORS_MAX1668=y
CONFIG_SENSORS_MAX6639=y
CONFIG_SENSORS_MAX6642=y
CONFIG_SENSORS_MAX6650=y
# CONFIG_SENSORS_MCP3021 is not set
CONFIG_SENSORS_NTC_THERMISTOR=y
CONFIG_SENSORS_PC87360=y
CONFIG_SENSORS_PC87427=y
CONFIG_SENSORS_PCF8591=y
# CONFIG_PMBUS is not set
# CONFIG_SENSORS_SHT15 is not set
CONFIG_SENSORS_SHT21=y
CONFIG_SENSORS_SIS5595=y
CONFIG_SENSORS_SMM665=y
CONFIG_SENSORS_DME1737=y
CONFIG_SENSORS_EMC1403=y
CONFIG_SENSORS_EMC2103=y
CONFIG_SENSORS_EMC6W201=y
CONFIG_SENSORS_SMSC47M1=y
CONFIG_SENSORS_SMSC47M192=y
CONFIG_SENSORS_SMSC47B397=y
CONFIG_SENSORS_SCH56XX_COMMON=y
CONFIG_SENSORS_SCH5627=y
# CONFIG_SENSORS_SCH5636 is not set
CONFIG_SENSORS_ADS1015=y
CONFIG_SENSORS_ADS7828=y
CONFIG_SENSORS_ADS7871=y
CONFIG_SENSORS_AMC6821=y
CONFIG_SENSORS_THMC50=y
CONFIG_SENSORS_TMP102=y
CONFIG_SENSORS_TMP401=y
CONFIG_SENSORS_TMP421=y
CONFIG_SENSORS_VIA_CPUTEMP=y
CONFIG_SENSORS_VIA686A=y
CONFIG_SENSORS_VT1211=y
CONFIG_SENSORS_VT8231=y
CONFIG_SENSORS_W83781D=y
CONFIG_SENSORS_W83791D=y
CONFIG_SENSORS_W83792D=y
CONFIG_SENSORS_W83793=y
CONFIG_SENSORS_W83795=y
# CONFIG_SENSORS_W83795_FANCTRL is not set
CONFIG_SENSORS_W83L785TS=y
CONFIG_SENSORS_W83L786NG=y
CONFIG_SENSORS_W83627HF=y
CONFIG_SENSORS_W83627EHF=y
CONFIG_SENSORS_APPLESMC=y
#
# ACPI drivers
#
CONFIG_SENSORS_ACPI_POWER=y
CONFIG_SENSORS_ATK0110=y
CONFIG_THERMAL=y
CONFIG_THERMAL_HWMON=y
CONFIG_WATCHDOG=y
CONFIG_WATCHDOG_CORE=y
# CONFIG_WATCHDOG_NOWAYOUT is not set
#
# Watchdog Device Drivers
#
CONFIG_SOFT_WATCHDOG=y
CONFIG_ACQUIRE_WDT=y
CONFIG_ADVANTECH_WDT=y
CONFIG_ALIM1535_WDT=y
CONFIG_ALIM7101_WDT=y
CONFIG_F71808E_WDT=y
CONFIG_SP5100_TCO=y
CONFIG_SC520_WDT=y
CONFIG_SBC_FITPC2_WATCHDOG=y
CONFIG_EUROTECH_WDT=y
CONFIG_IB700_WDT=y
CONFIG_IBMASR=y
CONFIG_WAFER_WDT=y
CONFIG_I6300ESB_WDT=y
CONFIG_ITCO_WDT=y
CONFIG_ITCO_VENDOR_SUPPORT=y
CONFIG_IT8712F_WDT=y
CONFIG_IT87_WDT=y
CONFIG_HP_WATCHDOG=y
CONFIG_HPWDT_NMI_DECODING=y
CONFIG_SC1200_WDT=y
CONFIG_PC87413_WDT=y
CONFIG_NV_TCO=y
CONFIG_60XX_WDT=y
CONFIG_SBC8360_WDT=y
CONFIG_CPU5_WDT=y
CONFIG_SMSC_SCH311X_WDT=y
CONFIG_SMSC37B787_WDT=y
# CONFIG_VIA_WDT is not set
CONFIG_W83627HF_WDT=y
CONFIG_W83697HF_WDT=y
CONFIG_W83697UG_WDT=y
CONFIG_W83877F_WDT=y
CONFIG_W83977F_WDT=y
CONFIG_MACHZ_WDT=y
CONFIG_SBC_EPX_C3_WATCHDOG=y
CONFIG_XEN_WDT=y
#
# PCI-based Watchdog Cards
#
CONFIG_PCIPCWATCHDOG=y
CONFIG_WDTPCI=y
#
# USB-based Watchdog Cards
#
CONFIG_USBPCWATCHDOG=y
CONFIG_SSB_POSSIBLE=y
#
# Sonics Silicon Backplane
#
CONFIG_SSB=y
CONFIG_SSB_SPROM=y
CONFIG_SSB_BLOCKIO=y
CONFIG_SSB_PCIHOST_POSSIBLE=y
CONFIG_SSB_PCIHOST=y
CONFIG_SSB_B43_PCI_BRIDGE=y
CONFIG_SSB_PCMCIAHOST_POSSIBLE=y
CONFIG_SSB_PCMCIAHOST=y
CONFIG_SSB_SDIOHOST_POSSIBLE=y
CONFIG_SSB_SDIOHOST=y
# CONFIG_SSB_DEBUG is not set
CONFIG_SSB_DRIVER_PCICORE_POSSIBLE=y
CONFIG_SSB_DRIVER_PCICORE=y
CONFIG_BCMA_POSSIBLE=y
#
# Broadcom specific AMBA
#
CONFIG_BCMA=y
CONFIG_BCMA_BLOCKIO=y
CONFIG_BCMA_HOST_PCI_POSSIBLE=y
CONFIG_BCMA_HOST_PCI=y
# CONFIG_BCMA_DEBUG is not set
#
# Multifunction device drivers
#
CONFIG_MFD_CORE=y
# CONFIG_MFD_88PM860X is not set
CONFIG_MFD_SM501=y
# CONFIG_MFD_SM501_GPIO is not set
CONFIG_HTC_PASIC3=y
# CONFIG_HTC_I2CPLD is not set
# CONFIG_UCB1400_CORE is not set
# CONFIG_TPS6105X is not set
CONFIG_TPS65010=y
# CONFIG_TPS6507X is not set
# CONFIG_MFD_TPS65217 is not set
# CONFIG_MFD_TPS6586X is not set
# CONFIG_MFD_TPS65910 is not set
# CONFIG_MFD_TPS65912_I2C is not set
# CONFIG_MFD_TPS65912_SPI is not set
# CONFIG_TWL4030_CORE is not set
# CONFIG_MFD_STMPE is not set
# CONFIG_MFD_TC3589X is not set
# CONFIG_MFD_TMIO is not set
# CONFIG_PMIC_DA903X is not set
# CONFIG_MFD_DA9052_SPI is not set
# CONFIG_MFD_DA9052_I2C is not set
# CONFIG_PMIC_ADP5520 is not set
# CONFIG_MFD_MAX8925 is not set
# CONFIG_MFD_MAX8997 is not set
# CONFIG_MFD_MAX8998 is not set
# CONFIG_MFD_S5M_CORE is not set
CONFIG_MFD_WM8400=y
# CONFIG_MFD_WM831X_I2C is not set
# CONFIG_MFD_WM831X_SPI is not set
# CONFIG_MFD_WM8350_I2C is not set
# CONFIG_MFD_WM8994 is not set
CONFIG_MFD_PCF50633=y
CONFIG_PCF50633_ADC=y
CONFIG_PCF50633_GPIO=y
# CONFIG_MFD_MC13XXX is not set
# CONFIG_ABX500_CORE is not set
# CONFIG_EZX_PCAP is not set
# CONFIG_MFD_CS5535 is not set
# CONFIG_MFD_TIMBERDALE is not set
CONFIG_LPC_SCH=y
# CONFIG_MFD_RDC321X is not set
# CONFIG_MFD_JANZ_CMODIO is not set
# CONFIG_MFD_VX855 is not set
CONFIG_MFD_WL1273_CORE=y
# CONFIG_MFD_TPS65090 is not set
# CONFIG_MFD_AAT2870_CORE is not set
# CONFIG_MFD_RC5T583 is not set
CONFIG_REGULATOR=y
# CONFIG_REGULATOR_DEBUG is not set
# CONFIG_REGULATOR_DUMMY is not set
CONFIG_REGULATOR_FIXED_VOLTAGE=y
# CONFIG_REGULATOR_VIRTUAL_CONSUMER is not set
CONFIG_REGULATOR_USERSPACE_CONSUMER=y
# CONFIG_REGULATOR_GPIO is not set
# CONFIG_REGULATOR_AD5398 is not set
# CONFIG_REGULATOR_ISL6271A is not set
CONFIG_REGULATOR_MAX1586=y
CONFIG_REGULATOR_MAX8649=y
CONFIG_REGULATOR_MAX8660=y
# CONFIG_REGULATOR_MAX8952 is not set
CONFIG_REGULATOR_LP3971=y
# CONFIG_REGULATOR_LP3972 is not set
CONFIG_REGULATOR_PCF50633=y
# CONFIG_REGULATOR_TPS62360 is not set
CONFIG_REGULATOR_TPS65023=y
CONFIG_REGULATOR_TPS6507X=y
# CONFIG_REGULATOR_TPS6524X is not set
CONFIG_REGULATOR_WM8400=y
CONFIG_MEDIA_SUPPORT=y
#
# Multimedia core support
#
CONFIG_MEDIA_CONTROLLER=y
CONFIG_VIDEO_DEV=y
CONFIG_VIDEO_V4L2_COMMON=y
# CONFIG_VIDEO_V4L2_SUBDEV_API is not set
CONFIG_DVB_CORE=y
CONFIG_DVB_NET=y
CONFIG_VIDEO_MEDIA=y
#
# Multimedia drivers
#
CONFIG_VIDEO_SAA7146=y
CONFIG_VIDEO_SAA7146_VV=y
CONFIG_RC_CORE=y
CONFIG_LIRC=y
CONFIG_RC_MAP=y
CONFIG_IR_NEC_DECODER=y
CONFIG_IR_RC5_DECODER=y
CONFIG_IR_RC6_DECODER=y
CONFIG_IR_JVC_DECODER=y
CONFIG_IR_SONY_DECODER=y
CONFIG_IR_RC5_SZ_DECODER=y
CONFIG_IR_SANYO_DECODER=y
CONFIG_IR_MCE_KBD_DECODER=y
CONFIG_IR_LIRC_CODEC=y
# CONFIG_RC_ATI_REMOTE is not set
CONFIG_IR_ENE=y
CONFIG_IR_IMON=y
CONFIG_IR_MCEUSB=y
CONFIG_IR_ITE_CIR=y
CONFIG_IR_FINTEK=y
CONFIG_IR_NUVOTON=y
CONFIG_IR_REDRAT3=y
CONFIG_IR_STREAMZAP=y
CONFIG_IR_WINBOND_CIR=y
CONFIG_RC_LOOPBACK=y
# CONFIG_IR_GPIO_CIR is not set
CONFIG_MEDIA_ATTACH=y
CONFIG_MEDIA_TUNER=y
# CONFIG_MEDIA_TUNER_CUSTOMISE is not set
CONFIG_MEDIA_TUNER_SIMPLE=y
CONFIG_MEDIA_TUNER_TDA8290=y
CONFIG_MEDIA_TUNER_TDA827X=y
CONFIG_MEDIA_TUNER_TDA18271=y
CONFIG_MEDIA_TUNER_TDA9887=y
CONFIG_MEDIA_TUNER_TEA5761=y
CONFIG_MEDIA_TUNER_TEA5767=y
CONFIG_MEDIA_TUNER_MT20XX=y
CONFIG_MEDIA_TUNER_MT2060=y
CONFIG_MEDIA_TUNER_MT2266=y
CONFIG_MEDIA_TUNER_MT2131=y
CONFIG_MEDIA_TUNER_QT1010=y
CONFIG_MEDIA_TUNER_XC2028=y
CONFIG_MEDIA_TUNER_XC5000=y
CONFIG_MEDIA_TUNER_XC4000=y
CONFIG_MEDIA_TUNER_MXL5005S=y
CONFIG_MEDIA_TUNER_MXL5007T=y
CONFIG_MEDIA_TUNER_MC44S803=y
CONFIG_MEDIA_TUNER_MAX2165=y
CONFIG_MEDIA_TUNER_TDA18218=y
CONFIG_MEDIA_TUNER_TDA18212=y
CONFIG_VIDEO_V4L2=y
CONFIG_VIDEOBUF_GEN=y
CONFIG_VIDEOBUF_DMA_SG=y
CONFIG_VIDEOBUF_VMALLOC=y
CONFIG_VIDEOBUF_DVB=y
CONFIG_VIDEO_BTCX=y
CONFIG_VIDEO_TVEEPROM=y
CONFIG_VIDEO_TUNER=y
CONFIG_VIDEOBUF2_CORE=y
CONFIG_VIDEOBUF2_MEMOPS=y
CONFIG_VIDEOBUF2_VMALLOC=y
CONFIG_VIDEO_CAPTURE_DRIVERS=y
# CONFIG_VIDEO_ADV_DEBUG is not set
# CONFIG_VIDEO_FIXED_MINOR_RANGES is not set
CONFIG_VIDEO_HELPER_CHIPS_AUTO=y
CONFIG_VIDEO_IR_I2C=y
#
# Audio decoders, processors and mixers
#
CONFIG_VIDEO_TVAUDIO=y
CONFIG_VIDEO_TDA7432=y
CONFIG_VIDEO_TDA9840=y
CONFIG_VIDEO_TEA6415C=y
CONFIG_VIDEO_TEA6420=y
CONFIG_VIDEO_MSP3400=y
CONFIG_VIDEO_CS5345=y
CONFIG_VIDEO_CS53L32A=y
CONFIG_VIDEO_WM8775=y
CONFIG_VIDEO_WM8739=y
CONFIG_VIDEO_VP27SMPX=y
#
# RDS decoders
#
CONFIG_VIDEO_SAA6588=y
#
# Video decoders
#
CONFIG_VIDEO_BT819=y
CONFIG_VIDEO_BT856=y
CONFIG_VIDEO_BT866=y
CONFIG_VIDEO_KS0127=y
CONFIG_VIDEO_SAA7110=y
CONFIG_VIDEO_SAA711X=y
CONFIG_VIDEO_TVP5150=y
CONFIG_VIDEO_VPX3220=y
#
# Video and audio decoders
#
CONFIG_VIDEO_SAA717X=y
CONFIG_VIDEO_CX25840=y
#
# MPEG video encoders
#
CONFIG_VIDEO_CX2341X=y
#
# Video encoders
#
CONFIG_VIDEO_SAA7127=y
CONFIG_VIDEO_SAA7185=y
CONFIG_VIDEO_ADV7170=y
CONFIG_VIDEO_ADV7175=y
#
# Camera sensor devices
#
CONFIG_VIDEO_MT9V011=y
#
# Flash devices
#
#
# Video improvement chips
#
CONFIG_VIDEO_UPD64031A=y
CONFIG_VIDEO_UPD64083=y
#
# Miscelaneous helper chips
#
CONFIG_VIDEO_M52790=y
CONFIG_VIDEO_VIVI=y
CONFIG_V4L_USB_DRIVERS=y
CONFIG_USB_VIDEO_CLASS=y
CONFIG_USB_VIDEO_CLASS_INPUT_EVDEV=y
CONFIG_USB_GSPCA=y
CONFIG_USB_M5602=y
CONFIG_USB_STV06XX=y
CONFIG_USB_GL860=y
CONFIG_USB_GSPCA_BENQ=y
CONFIG_USB_GSPCA_CONEX=y
CONFIG_USB_GSPCA_CPIA1=y
CONFIG_USB_GSPCA_ETOMS=y
CONFIG_USB_GSPCA_FINEPIX=y
CONFIG_USB_GSPCA_JEILINJ=y
# CONFIG_USB_GSPCA_JL2005BCD is not set
CONFIG_USB_GSPCA_KINECT=y
CONFIG_USB_GSPCA_KONICA=y
CONFIG_USB_GSPCA_MARS=y
CONFIG_USB_GSPCA_MR97310A=y
CONFIG_USB_GSPCA_NW80X=y
CONFIG_USB_GSPCA_OV519=y
CONFIG_USB_GSPCA_OV534=y
CONFIG_USB_GSPCA_OV534_9=y
CONFIG_USB_GSPCA_PAC207=y
CONFIG_USB_GSPCA_PAC7302=y
CONFIG_USB_GSPCA_PAC7311=y
CONFIG_USB_GSPCA_SE401=y
CONFIG_USB_GSPCA_SN9C2028=y
CONFIG_USB_GSPCA_SN9C20X=y
CONFIG_USB_GSPCA_SONIXB=y
CONFIG_USB_GSPCA_SONIXJ=y
CONFIG_USB_GSPCA_SPCA500=y
CONFIG_USB_GSPCA_SPCA501=y
CONFIG_USB_GSPCA_SPCA505=y
CONFIG_USB_GSPCA_SPCA506=y
CONFIG_USB_GSPCA_SPCA508=y
CONFIG_USB_GSPCA_SPCA561=y
CONFIG_USB_GSPCA_SPCA1528=y
CONFIG_USB_GSPCA_SQ905=y
CONFIG_USB_GSPCA_SQ905C=y
CONFIG_USB_GSPCA_SQ930X=y
CONFIG_USB_GSPCA_STK014=y
CONFIG_USB_GSPCA_STV0680=y
CONFIG_USB_GSPCA_SUNPLUS=y
CONFIG_USB_GSPCA_T613=y
# CONFIG_USB_GSPCA_TOPRO is not set
CONFIG_USB_GSPCA_TV8532=y
CONFIG_USB_GSPCA_VC032X=y
CONFIG_USB_GSPCA_VICAM=y
CONFIG_USB_GSPCA_XIRLINK_CIT=y
CONFIG_USB_GSPCA_ZC3XX=y
CONFIG_VIDEO_PVRUSB2=y
CONFIG_VIDEO_PVRUSB2_SYSFS=y
CONFIG_VIDEO_PVRUSB2_DVB=y
# CONFIG_VIDEO_PVRUSB2_DEBUGIFC is not set
CONFIG_VIDEO_HDPVR=y
CONFIG_VIDEO_EM28XX=y
CONFIG_VIDEO_EM28XX_ALSA=y
CONFIG_VIDEO_EM28XX_DVB=y
CONFIG_VIDEO_EM28XX_RC=y
CONFIG_VIDEO_TLG2300=y
CONFIG_VIDEO_CX231XX=y
CONFIG_VIDEO_CX231XX_RC=y
CONFIG_VIDEO_CX231XX_ALSA=y
CONFIG_VIDEO_CX231XX_DVB=y
CONFIG_VIDEO_TM6000=y
CONFIG_VIDEO_TM6000_ALSA=y
CONFIG_VIDEO_TM6000_DVB=y
CONFIG_VIDEO_USBVISION=y
# CONFIG_USB_ET61X251 is not set
CONFIG_USB_SN9C102=y
CONFIG_USB_PWC=y
# CONFIG_USB_PWC_DEBUG is not set
CONFIG_USB_PWC_INPUT_EVDEV=y
CONFIG_VIDEO_CPIA2=y
CONFIG_USB_ZR364XX=y
CONFIG_USB_STKWEBCAM=y
CONFIG_USB_S2255=y
CONFIG_V4L_PCI_DRIVERS=y
CONFIG_VIDEO_AU0828=y
CONFIG_VIDEO_BT848=y
CONFIG_VIDEO_BT848_DVB=y
CONFIG_VIDEO_CX18=y
CONFIG_VIDEO_CX18_ALSA=y
CONFIG_VIDEO_CX23885=y
# CONFIG_MEDIA_ALTERA_CI is not set
# CONFIG_VIDEO_CX25821 is not set
CONFIG_VIDEO_CX88=y
CONFIG_VIDEO_CX88_ALSA=y
CONFIG_VIDEO_CX88_BLACKBIRD=y
CONFIG_VIDEO_CX88_DVB=y
CONFIG_VIDEO_CX88_VP3054=y
CONFIG_VIDEO_CX88_MPEG=y
CONFIG_VIDEO_HEXIUM_GEMINI=y
CONFIG_VIDEO_HEXIUM_ORION=y
CONFIG_VIDEO_IVTV=y
CONFIG_VIDEO_FB_IVTV=y
CONFIG_VIDEO_MEYE=y
CONFIG_VIDEO_MXB=y
CONFIG_VIDEO_SAA7134=y
CONFIG_VIDEO_SAA7134_ALSA=y
CONFIG_VIDEO_SAA7134_RC=y
CONFIG_VIDEO_SAA7134_DVB=y
CONFIG_VIDEO_SAA7164=y
CONFIG_VIDEO_ZORAN=y
CONFIG_VIDEO_ZORAN_DC30=y
CONFIG_VIDEO_ZORAN_ZR36060=y
CONFIG_VIDEO_ZORAN_BUZ=y
CONFIG_VIDEO_ZORAN_DC10=y
CONFIG_VIDEO_ZORAN_LML33=y
CONFIG_VIDEO_ZORAN_LML33R10=y
CONFIG_VIDEO_ZORAN_AVS6EYES=y
# CONFIG_V4L_ISA_PARPORT_DRIVERS is not set
# CONFIG_V4L_PLATFORM_DRIVERS is not set
CONFIG_V4L_MEM2MEM_DRIVERS=y
# CONFIG_VIDEO_MEM2MEM_TESTDEV is not set
CONFIG_RADIO_ADAPTERS=y
CONFIG_RADIO_SI470X=y
CONFIG_USB_SI470X=y
CONFIG_USB_MR800=y
CONFIG_USB_DSBR=y
CONFIG_RADIO_MAXIRADIO=y
CONFIG_I2C_SI4713=y
CONFIG_RADIO_SI4713=y
# CONFIG_USB_KEENE is not set
CONFIG_RADIO_TEA5764=y
CONFIG_RADIO_TEA5764_XTAL=y
CONFIG_RADIO_SAA7706H=y
CONFIG_RADIO_TEF6862=y
CONFIG_RADIO_WL1273=y
#
# Texas Instruments WL128x FM driver (ST based)
#
# CONFIG_RADIO_WL128X is not set
CONFIG_DVB_MAX_ADAPTERS=8
CONFIG_DVB_DYNAMIC_MINORS=y
CONFIG_DVB_CAPTURE_DRIVERS=y
#
# Supported SAA7146 based PCI Adapters
#
CONFIG_TTPCI_EEPROM=y
CONFIG_DVB_AV7110=y
CONFIG_DVB_AV7110_OSD=y
CONFIG_DVB_BUDGET_CORE=y
CONFIG_DVB_BUDGET=y
CONFIG_DVB_BUDGET_CI=y
CONFIG_DVB_BUDGET_AV=y
CONFIG_DVB_BUDGET_PATCH=y
#
# Supported USB Adapters
#
CONFIG_DVB_USB=y
# CONFIG_DVB_USB_DEBUG is not set
CONFIG_DVB_USB_A800=y
CONFIG_DVB_USB_DIBUSB_MB=y
CONFIG_DVB_USB_DIBUSB_MB_FAULTY=y
CONFIG_DVB_USB_DIBUSB_MC=y
CONFIG_DVB_USB_DIB0700=y
CONFIG_DVB_USB_UMT_010=y
CONFIG_DVB_USB_CXUSB=y
CONFIG_DVB_USB_M920X=y
CONFIG_DVB_USB_GL861=y
CONFIG_DVB_USB_AU6610=y
CONFIG_DVB_USB_DIGITV=y
CONFIG_DVB_USB_VP7045=y
CONFIG_DVB_USB_VP702X=y
CONFIG_DVB_USB_GP8PSK=y
CONFIG_DVB_USB_NOVA_T_USB2=y
CONFIG_DVB_USB_TTUSB2=y
CONFIG_DVB_USB_DTT200U=y
CONFIG_DVB_USB_OPERA1=y
CONFIG_DVB_USB_AF9005=y
CONFIG_DVB_USB_AF9005_REMOTE=y
# CONFIG_DVB_USB_PCTV452E is not set
CONFIG_DVB_USB_DW2102=y
CONFIG_DVB_USB_CINERGY_T2=y
CONFIG_DVB_USB_ANYSEE=y
CONFIG_DVB_USB_DTV5100=y
CONFIG_DVB_USB_AF9015=y
CONFIG_DVB_USB_CE6230=y
CONFIG_DVB_USB_FRIIO=y
CONFIG_DVB_USB_EC168=y
# CONFIG_DVB_USB_AZ6007 is not set
CONFIG_DVB_USB_AZ6027=y
CONFIG_DVB_USB_LME2510=y
CONFIG_DVB_USB_TECHNISAT_USB2=y
CONFIG_DVB_USB_IT913X=y
# CONFIG_DVB_USB_MXL111SF is not set
# CONFIG_DVB_USB_RTL28XXU is not set
CONFIG_DVB_TTUSB_BUDGET=y
CONFIG_DVB_TTUSB_DEC=y
CONFIG_SMS_SIANO_MDTV=y
#
# Siano module components
#
CONFIG_SMS_USB_DRV=y
CONFIG_SMS_SDIO_DRV=y
#
# Supported FlexCopII (B2C2) Adapters
#
CONFIG_DVB_B2C2_FLEXCOP=y
CONFIG_DVB_B2C2_FLEXCOP_PCI=y
CONFIG_DVB_B2C2_FLEXCOP_USB=y
# CONFIG_DVB_B2C2_FLEXCOP_DEBUG is not set
#
# Supported BT878 Adapters
#
CONFIG_DVB_BT8XX=y
#
# Supported Pluto2 Adapters
#
CONFIG_DVB_PLUTO2=y
#
# Supported SDMC DM1105 Adapters
#
CONFIG_DVB_DM1105=y
#
# Supported FireWire (IEEE 1394) Adapters
#
CONFIG_DVB_FIREDTV=y
CONFIG_DVB_FIREDTV_INPUT=y
#
# Supported Earthsoft PT1 Adapters
#
CONFIG_DVB_PT1=y
#
# Supported Mantis Adapters
#
CONFIG_MANTIS_CORE=y
CONFIG_DVB_MANTIS=y
CONFIG_DVB_HOPPER=y
#
# Supported nGene Adapters
#
CONFIG_DVB_NGENE=y
#
# Supported ddbridge ('Octopus') Adapters
#
# CONFIG_DVB_DDBRIDGE is not set
#
# Supported DVB Frontends
#
# CONFIG_DVB_FE_CUSTOMISE is not set
#
# Multistandard (satellite) frontends
#
CONFIG_DVB_STB0899=y
CONFIG_DVB_STB6100=y
CONFIG_DVB_STV090x=y
CONFIG_DVB_STV6110x=y
#
# Multistandard (cable + terrestrial) frontends
#
CONFIG_DVB_DRXK=y
CONFIG_DVB_TDA18271C2DD=y
#
# DVB-S (satellite) frontends
#
CONFIG_DVB_CX24110=y
CONFIG_DVB_CX24123=y
CONFIG_DVB_MT312=y
CONFIG_DVB_ZL10036=y
CONFIG_DVB_ZL10039=y
CONFIG_DVB_S5H1420=y
CONFIG_DVB_STV0288=y
CONFIG_DVB_STB6000=y
CONFIG_DVB_STV0299=y
CONFIG_DVB_STV6110=y
CONFIG_DVB_STV0900=y
CONFIG_DVB_TDA8083=y
CONFIG_DVB_TDA10086=y
CONFIG_DVB_TDA8261=y
CONFIG_DVB_VES1X93=y
CONFIG_DVB_TUNER_ITD1000=y
CONFIG_DVB_TUNER_CX24113=y
CONFIG_DVB_TDA826X=y
CONFIG_DVB_TUA6100=y
CONFIG_DVB_CX24116=y
CONFIG_DVB_SI21XX=y
CONFIG_DVB_DS3000=y
CONFIG_DVB_MB86A16=y
CONFIG_DVB_TDA10071=y
#
# DVB-T (terrestrial) frontends
#
CONFIG_DVB_SP8870=y
CONFIG_DVB_SP887X=y
CONFIG_DVB_CX22700=y
CONFIG_DVB_CX22702=y
CONFIG_DVB_DRXD=y
CONFIG_DVB_L64781=y
CONFIG_DVB_TDA1004X=y
CONFIG_DVB_NXT6000=y
CONFIG_DVB_MT352=y
CONFIG_DVB_ZL10353=y
CONFIG_DVB_DIB3000MB=y
CONFIG_DVB_DIB3000MC=y
CONFIG_DVB_DIB7000M=y
CONFIG_DVB_DIB7000P=y
CONFIG_DVB_TDA10048=y
CONFIG_DVB_AF9013=y
CONFIG_DVB_EC100=y
CONFIG_DVB_STV0367=y
CONFIG_DVB_CXD2820R=y
#
# DVB-C (cable) frontends
#
CONFIG_DVB_VES1820=y
CONFIG_DVB_TDA10021=y
CONFIG_DVB_TDA10023=y
CONFIG_DVB_STV0297=y
#
# ATSC (North American/Korean Terrestrial/Cable DTV) frontends
#
CONFIG_DVB_NXT200X=y
CONFIG_DVB_OR51211=y
CONFIG_DVB_OR51132=y
CONFIG_DVB_BCM3510=y
CONFIG_DVB_LGDT330X=y
CONFIG_DVB_LGDT3305=y
CONFIG_DVB_S5H1409=y
CONFIG_DVB_AU8522=y
CONFIG_DVB_S5H1411=y
#
# ISDB-T (terrestrial) frontends
#
CONFIG_DVB_S921=y
CONFIG_DVB_DIB8000=y
CONFIG_DVB_MB86A20S=y
#
# Digital terrestrial only tuners/PLL
#
CONFIG_DVB_PLL=y
CONFIG_DVB_TUNER_DIB0070=y
CONFIG_DVB_TUNER_DIB0090=y
#
# SEC control devices for DVB-S
#
CONFIG_DVB_LNBP21=y
CONFIG_DVB_ISL6405=y
CONFIG_DVB_ISL6421=y
CONFIG_DVB_ISL6423=y
CONFIG_DVB_A8293=y
CONFIG_DVB_LGS8GXX=y
CONFIG_DVB_ATBM8830=y
CONFIG_DVB_TDA665x=y
CONFIG_DVB_IX2505V=y
CONFIG_DVB_IT913X_FE=y
CONFIG_DVB_M88RS2000=y
#
# Tools to develop new frontends
#
# CONFIG_DVB_DUMMY_FE is not set
#
# Graphics support
#
CONFIG_AGP=y
CONFIG_AGP_AMD64=y
CONFIG_AGP_INTEL=y
CONFIG_AGP_SIS=y
CONFIG_AGP_VIA=y
CONFIG_VGA_ARB=y
CONFIG_VGA_ARB_MAX_GPUS=16
CONFIG_VGA_SWITCHEROO=y
CONFIG_DRM=y
CONFIG_DRM_KMS_HELPER=y
# CONFIG_DRM_LOAD_EDID_FIRMWARE is not set
CONFIG_DRM_TTM=y
CONFIG_DRM_TDFX=y
CONFIG_DRM_R128=y
CONFIG_DRM_RADEON=y
CONFIG_DRM_RADEON_KMS=y
CONFIG_DRM_NOUVEAU=y
CONFIG_DRM_NOUVEAU_BACKLIGHT=y
# CONFIG_DRM_NOUVEAU_DEBUG is not set
#
# I2C encoder or helper chips
#
CONFIG_DRM_I2C_CH7006=y
CONFIG_DRM_I2C_SIL164=y
# CONFIG_DRM_I810 is not set
CONFIG_DRM_I915=y
CONFIG_DRM_I915_KMS=y
CONFIG_DRM_MGA=y
CONFIG_DRM_SIS=y
CONFIG_DRM_VIA=y
CONFIG_DRM_SAVAGE=y
CONFIG_DRM_VMWGFX=y
# CONFIG_DRM_GMA500 is not set
# CONFIG_DRM_UDL is not set
# CONFIG_STUB_POULSBO is not set
CONFIG_VGASTATE=y
CONFIG_VIDEO_OUTPUT_CONTROL=y
CONFIG_FB=y
CONFIG_FIRMWARE_EDID=y
CONFIG_FB_DDC=y
CONFIG_FB_BOOT_VESA_SUPPORT=y
CONFIG_FB_CFB_FILLRECT=y
CONFIG_FB_CFB_COPYAREA=y
CONFIG_FB_CFB_IMAGEBLIT=y
# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set
CONFIG_FB_SYS_FILLRECT=y
CONFIG_FB_SYS_COPYAREA=y
CONFIG_FB_SYS_IMAGEBLIT=y
# CONFIG_FB_FOREIGN_ENDIAN is not set
CONFIG_FB_SYS_FOPS=y
# CONFIG_FB_WMT_GE_ROPS is not set
CONFIG_FB_DEFERRED_IO=y
CONFIG_FB_HECUBA=y
CONFIG_FB_SVGALIB=y
# CONFIG_FB_MACMODES is not set
CONFIG_FB_BACKLIGHT=y
CONFIG_FB_MODE_HELPERS=y
CONFIG_FB_TILEBLITTING=y
#
# Frame buffer hardware drivers
#
# CONFIG_FB_CIRRUS is not set
CONFIG_FB_PM2=y
CONFIG_FB_PM2_FIFO_DISCONNECT=y
CONFIG_FB_CYBER2000=y
CONFIG_FB_CYBER2000_DDC=y
CONFIG_FB_ARC=y
# CONFIG_FB_ASILIANT is not set
# CONFIG_FB_IMSTT is not set
CONFIG_FB_VGA16=y
CONFIG_FB_UVESA=y
CONFIG_FB_VESA=y
CONFIG_FB_EFI=y
CONFIG_FB_N411=y
CONFIG_FB_HGA=y
CONFIG_FB_S1D13XXX=y
CONFIG_FB_NVIDIA=y
# CONFIG_FB_NVIDIA_I2C is not set
# CONFIG_FB_NVIDIA_DEBUG is not set
CONFIG_FB_NVIDIA_BACKLIGHT=y
# CONFIG_FB_RIVA is not set
# CONFIG_FB_I740 is not set
CONFIG_FB_LE80578=y
CONFIG_FB_CARILLO_RANCH=y
CONFIG_FB_MATROX=y
CONFIG_FB_MATROX_MILLENIUM=y
CONFIG_FB_MATROX_MYSTIQUE=y
CONFIG_FB_MATROX_G=y
CONFIG_FB_MATROX_I2C=y
CONFIG_FB_MATROX_MAVEN=y
CONFIG_FB_RADEON=y
CONFIG_FB_RADEON_I2C=y
CONFIG_FB_RADEON_BACKLIGHT=y
# CONFIG_FB_RADEON_DEBUG is not set
CONFIG_FB_ATY128=y
CONFIG_FB_ATY128_BACKLIGHT=y
CONFIG_FB_ATY=y
CONFIG_FB_ATY_CT=y
# CONFIG_FB_ATY_GENERIC_LCD is not set
CONFIG_FB_ATY_GX=y
CONFIG_FB_ATY_BACKLIGHT=y
CONFIG_FB_S3=y
CONFIG_FB_S3_DDC=y
CONFIG_FB_SAVAGE=y
# CONFIG_FB_SAVAGE_I2C is not set
# CONFIG_FB_SAVAGE_ACCEL is not set
CONFIG_FB_SIS=y
CONFIG_FB_SIS_300=y
CONFIG_FB_SIS_315=y
CONFIG_FB_VIA=y
# CONFIG_FB_VIA_DIRECT_PROCFS is not set
CONFIG_FB_VIA_X_COMPATIBILITY=y
CONFIG_FB_NEOMAGIC=y
CONFIG_FB_KYRO=y
CONFIG_FB_3DFX=y
# CONFIG_FB_3DFX_ACCEL is not set
CONFIG_FB_3DFX_I2C=y
CONFIG_FB_VOODOO1=y
CONFIG_FB_VT8623=y
CONFIG_FB_TRIDENT=y
CONFIG_FB_ARK=y
CONFIG_FB_PM3=y
# CONFIG_FB_CARMINE is not set
# CONFIG_FB_GEODE is not set
# CONFIG_FB_TMIO is not set
CONFIG_FB_SM501=y
# CONFIG_FB_SMSCUFX is not set
CONFIG_FB_UDL=y
CONFIG_FB_VIRTUAL=y
CONFIG_XEN_FBDEV_FRONTEND=y
CONFIG_FB_METRONOME=y
CONFIG_FB_MB862XX=y
CONFIG_FB_MB862XX_PCI_GDC=y
CONFIG_FB_MB862XX_I2C=y
# CONFIG_FB_BROADSHEET is not set
# CONFIG_EXYNOS_VIDEO is not set
CONFIG_BACKLIGHT_LCD_SUPPORT=y
# CONFIG_LCD_CLASS_DEVICE is not set
CONFIG_BACKLIGHT_CLASS_DEVICE=y
# CONFIG_BACKLIGHT_GENERIC is not set
CONFIG_BACKLIGHT_PROGEAR=y
CONFIG_BACKLIGHT_APPLE=y
# CONFIG_BACKLIGHT_SAHARA is not set
# CONFIG_BACKLIGHT_ADP8860 is not set
# CONFIG_BACKLIGHT_ADP8870 is not set
# CONFIG_BACKLIGHT_PCF50633 is not set
# CONFIG_BACKLIGHT_LP855X is not set
#
# Console display driver support
#
CONFIG_VGA_CONSOLE=y
# CONFIG_VGACON_SOFT_SCROLLBACK is not set
CONFIG_DUMMY_CONSOLE=y
CONFIG_FRAMEBUFFER_CONSOLE=y
CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y
CONFIG_FRAMEBUFFER_CONSOLE_ROTATION=y
# CONFIG_FONTS is not set
CONFIG_FONT_8x8=y
CONFIG_FONT_8x16=y
# CONFIG_LOGO is not set
CONFIG_SOUND=y
CONFIG_SOUND_OSS_CORE=y
# CONFIG_SOUND_OSS_CORE_PRECLAIM is not set
CONFIG_SND=y
CONFIG_SND_TIMER=y
CONFIG_SND_PCM=y
CONFIG_SND_HWDEP=y
CONFIG_SND_RAWMIDI=y
CONFIG_SND_JACK=y
CONFIG_SND_SEQUENCER=y
CONFIG_SND_SEQ_DUMMY=y
CONFIG_SND_OSSEMUL=y
CONFIG_SND_MIXER_OSS=y
CONFIG_SND_PCM_OSS=y
CONFIG_SND_PCM_OSS_PLUGINS=y
# CONFIG_SND_SEQUENCER_OSS is not set
CONFIG_SND_HRTIMER=y
CONFIG_SND_SEQ_HRTIMER_DEFAULT=y
CONFIG_SND_DYNAMIC_MINORS=y
CONFIG_SND_SUPPORT_OLD_API=y
CONFIG_SND_VERBOSE_PROCFS=y
# CONFIG_SND_VERBOSE_PRINTK is not set
# CONFIG_SND_DEBUG is not set
CONFIG_SND_VMASTER=y
CONFIG_SND_KCTL_JACK=y
CONFIG_SND_DMA_SGBUF=y
CONFIG_SND_RAWMIDI_SEQ=y
CONFIG_SND_OPL3_LIB_SEQ=y
# CONFIG_SND_OPL4_LIB_SEQ is not set
# CONFIG_SND_SBAWE_SEQ is not set
CONFIG_SND_EMU10K1_SEQ=y
CONFIG_SND_MPU401_UART=y
CONFIG_SND_OPL3_LIB=y
CONFIG_SND_VX_LIB=y
CONFIG_SND_AC97_CODEC=y
CONFIG_SND_DRIVERS=y
CONFIG_SND_PCSP=y
CONFIG_SND_DUMMY=y
CONFIG_SND_ALOOP=y
CONFIG_SND_VIRMIDI=y
CONFIG_SND_MTPAV=y
CONFIG_SND_MTS64=y
CONFIG_SND_SERIAL_U16550=y
CONFIG_SND_MPU401=y
CONFIG_SND_PORTMAN2X4=y
CONFIG_SND_AC97_POWER_SAVE=y
CONFIG_SND_AC97_POWER_SAVE_DEFAULT=0
CONFIG_SND_SB_COMMON=y
CONFIG_SND_SB16_DSP=y
CONFIG_SND_TEA575X=y
CONFIG_SND_PCI=y
CONFIG_SND_AD1889=y
CONFIG_SND_ALS300=y
CONFIG_SND_ALS4000=y
CONFIG_SND_ALI5451=y
CONFIG_SND_ASIHPI=y
CONFIG_SND_ATIIXP=y
CONFIG_SND_ATIIXP_MODEM=y
CONFIG_SND_AU8810=y
CONFIG_SND_AU8820=y
CONFIG_SND_AU8830=y
# CONFIG_SND_AW2 is not set
CONFIG_SND_AZT3328=y
CONFIG_SND_BT87X=y
# CONFIG_SND_BT87X_OVERCLOCK is not set
CONFIG_SND_CA0106=y
CONFIG_SND_CMIPCI=y
CONFIG_SND_OXYGEN_LIB=y
CONFIG_SND_OXYGEN=y
CONFIG_SND_CS4281=y
CONFIG_SND_CS46XX=y
CONFIG_SND_CS46XX_NEW_DSP=y
CONFIG_SND_CS5530=y
CONFIG_SND_CS5535AUDIO=y
CONFIG_SND_CTXFI=y
CONFIG_SND_DARLA20=y
CONFIG_SND_GINA20=y
CONFIG_SND_LAYLA20=y
CONFIG_SND_DARLA24=y
CONFIG_SND_GINA24=y
CONFIG_SND_LAYLA24=y
CONFIG_SND_MONA=y
CONFIG_SND_MIA=y
CONFIG_SND_ECHO3G=y
CONFIG_SND_INDIGO=y
CONFIG_SND_INDIGOIO=y
CONFIG_SND_INDIGODJ=y
CONFIG_SND_INDIGOIOX=y
CONFIG_SND_INDIGODJX=y
CONFIG_SND_EMU10K1=y
CONFIG_SND_EMU10K1X=y
CONFIG_SND_ENS1370=y
CONFIG_SND_ENS1371=y
CONFIG_SND_ES1938=y
CONFIG_SND_ES1968=y
CONFIG_SND_ES1968_INPUT=y
CONFIG_SND_ES1968_RADIO=y
CONFIG_SND_FM801=y
CONFIG_SND_FM801_TEA575X_BOOL=y
CONFIG_SND_HDA_INTEL=y
CONFIG_SND_HDA_PREALLOC_SIZE=64
CONFIG_SND_HDA_HWDEP=y
CONFIG_SND_HDA_RECONFIG=y
CONFIG_SND_HDA_INPUT_BEEP=y
CONFIG_SND_HDA_INPUT_BEEP_MODE=1
CONFIG_SND_HDA_INPUT_JACK=y
CONFIG_SND_HDA_PATCH_LOADER=y
CONFIG_SND_HDA_CODEC_REALTEK=y
CONFIG_SND_HDA_ENABLE_REALTEK_QUIRKS=y
CONFIG_SND_HDA_CODEC_ANALOG=y
CONFIG_SND_HDA_CODEC_SIGMATEL=y
CONFIG_SND_HDA_CODEC_VIA=y
CONFIG_SND_HDA_CODEC_HDMI=y
CONFIG_SND_HDA_CODEC_CIRRUS=y
CONFIG_SND_HDA_CODEC_CONEXANT=y
CONFIG_SND_HDA_CODEC_CA0110=y
CONFIG_SND_HDA_CODEC_CA0132=y
CONFIG_SND_HDA_CODEC_CMEDIA=y
CONFIG_SND_HDA_CODEC_SI3054=y
CONFIG_SND_HDA_GENERIC=y
CONFIG_SND_HDA_POWER_SAVE=y
CONFIG_SND_HDA_POWER_SAVE_DEFAULT=0
CONFIG_SND_HDSP=y
#
# Don't forget to add built-in firmwares for HDSP driver
#
CONFIG_SND_HDSPM=y
CONFIG_SND_ICE1712=y
CONFIG_SND_ICE1724=y
CONFIG_SND_INTEL8X0=y
CONFIG_SND_INTEL8X0M=y
CONFIG_SND_KORG1212=y
CONFIG_SND_LOLA=y
CONFIG_SND_LX6464ES=y
CONFIG_SND_MAESTRO3=y
CONFIG_SND_MAESTRO3_INPUT=y
CONFIG_SND_MIXART=y
CONFIG_SND_NM256=y
CONFIG_SND_PCXHR=y
CONFIG_SND_RIPTIDE=y
CONFIG_SND_RME32=y
CONFIG_SND_RME96=y
CONFIG_SND_RME9652=y
CONFIG_SND_SONICVIBES=y
CONFIG_SND_TRIDENT=y
CONFIG_SND_VIA82XX=y
CONFIG_SND_VIA82XX_MODEM=y
CONFIG_SND_VIRTUOSO=y
CONFIG_SND_VX222=y
CONFIG_SND_YMFPCI=y
CONFIG_SND_SPI=y
CONFIG_SND_USB=y
CONFIG_SND_USB_AUDIO=y
CONFIG_SND_USB_UA101=y
CONFIG_SND_USB_USX2Y=y
CONFIG_SND_USB_CAIAQ=y
CONFIG_SND_USB_CAIAQ_INPUT=y
CONFIG_SND_USB_US122L=y
CONFIG_SND_USB_6FIRE=y
CONFIG_SND_FIREWIRE=y
CONFIG_SND_FIREWIRE_LIB=y
CONFIG_SND_FIREWIRE_SPEAKERS=y
CONFIG_SND_ISIGHT=y
CONFIG_SND_PCMCIA=y
CONFIG_SND_VXPOCKET=y
CONFIG_SND_PDAUDIOCF=y
# CONFIG_SND_SOC is not set
# CONFIG_SOUND_PRIME is not set
CONFIG_AC97_BUS=y
CONFIG_HID_SUPPORT=y
CONFIG_HID=y
CONFIG_HID_BATTERY_STRENGTH=y
CONFIG_HIDRAW=y
#
# USB Input Devices
#
CONFIG_USB_HID=y
CONFIG_HID_PID=y
CONFIG_USB_HIDDEV=y
#
# Special HID drivers
#
CONFIG_HID_A4TECH=y
CONFIG_HID_ACRUX=y
# CONFIG_HID_ACRUX_FF is not set
CONFIG_HID_APPLE=y
CONFIG_HID_BELKIN=y
CONFIG_HID_CHERRY=y
CONFIG_HID_CHICONY=y
CONFIG_HID_PRODIKEYS=y
CONFIG_HID_CYPRESS=y
CONFIG_HID_DRAGONRISE=y
CONFIG_DRAGONRISE_FF=y
CONFIG_HID_EMS_FF=y
CONFIG_HID_ELECOM=y
CONFIG_HID_EZKEY=y
# CONFIG_HID_HOLTEK is not set
CONFIG_HID_KEYTOUCH=y
CONFIG_HID_KYE=y
CONFIG_HID_UCLOGIC=y
CONFIG_HID_WALTOP=y
CONFIG_HID_GYRATION=y
CONFIG_HID_TWINHAN=y
CONFIG_HID_KENSINGTON=y
CONFIG_HID_LCPOWER=y
CONFIG_HID_LOGITECH=y
CONFIG_HID_LOGITECH_DJ=y
CONFIG_LOGITECH_FF=y
CONFIG_LOGIRUMBLEPAD2_FF=y
CONFIG_LOGIG940_FF=y
CONFIG_LOGIWHEELS_FF=y
CONFIG_HID_MAGICMOUSE=y
CONFIG_HID_MICROSOFT=y
CONFIG_HID_MONTEREY=y
CONFIG_HID_MULTITOUCH=y
CONFIG_HID_NTRIG=y
CONFIG_HID_ORTEK=y
CONFIG_HID_PANTHERLORD=y
CONFIG_PANTHERLORD_FF=y
CONFIG_HID_PETALYNX=y
CONFIG_HID_PICOLCD=y
CONFIG_HID_PICOLCD_FB=y
CONFIG_HID_PICOLCD_BACKLIGHT=y
CONFIG_HID_PICOLCD_LEDS=y
# CONFIG_HID_PRIMAX is not set
CONFIG_HID_ROCCAT=y
# CONFIG_HID_SAITEK is not set
CONFIG_HID_SAMSUNG=y
CONFIG_HID_SONY=y
# CONFIG_HID_SPEEDLINK is not set
CONFIG_HID_SUNPLUS=y
CONFIG_HID_GREENASIA=y
CONFIG_GREENASIA_FF=y
# CONFIG_HID_HYPERV_MOUSE is not set
CONFIG_HID_SMARTJOYPLUS=y
CONFIG_SMARTJOYPLUS_FF=y
# CONFIG_HID_TIVO is not set
CONFIG_HID_TOPSEED=y
CONFIG_HID_THRUSTMASTER=y
CONFIG_THRUSTMASTER_FF=y
CONFIG_HID_WACOM=y
# CONFIG_HID_WACOM_POWER_SUPPLY is not set
# CONFIG_HID_WIIMOTE is not set
CONFIG_HID_ZEROPLUS=y
CONFIG_ZEROPLUS_FF=y
CONFIG_HID_ZYDACRON=y
CONFIG_USB_ARCH_HAS_OHCI=y
CONFIG_USB_ARCH_HAS_EHCI=y
CONFIG_USB_ARCH_HAS_XHCI=y
CONFIG_USB_SUPPORT=y
CONFIG_USB_COMMON=y
CONFIG_USB_ARCH_HAS_HCD=y
CONFIG_USB=y
# CONFIG_USB_DEBUG is not set
CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
#
# Miscellaneous USB options
#
# CONFIG_USB_DEVICEFS is not set
CONFIG_USB_DEVICE_CLASS=y
CONFIG_USB_DYNAMIC_MINORS=y
CONFIG_USB_SUSPEND=y
# CONFIG_USB_OTG is not set
# CONFIG_USB_DWC3 is not set
CONFIG_USB_MON=y
CONFIG_USB_WUSB=y
CONFIG_USB_WUSB_CBAF=y
# CONFIG_USB_WUSB_CBAF_DEBUG is not set
#
# USB Host Controller Drivers
#
CONFIG_USB_C67X00_HCD=y
CONFIG_USB_XHCI_HCD=y
# CONFIG_USB_XHCI_HCD_DEBUGGING is not set
CONFIG_USB_EHCI_HCD=y
CONFIG_USB_EHCI_ROOT_HUB_TT=y
CONFIG_USB_EHCI_TT_NEWSCHED=y
# CONFIG_USB_OXU210HP_HCD is not set
CONFIG_USB_ISP116X_HCD=y
# CONFIG_USB_ISP1760_HCD is not set
# CONFIG_USB_ISP1362_HCD is not set
CONFIG_USB_OHCI_HCD=y
# CONFIG_USB_OHCI_HCD_SSB is not set
# CONFIG_USB_OHCI_HCD_PLATFORM is not set
# CONFIG_USB_EHCI_HCD_PLATFORM is not set
# CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set
# CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set
CONFIG_USB_OHCI_LITTLE_ENDIAN=y
CONFIG_USB_UHCI_HCD=y
CONFIG_USB_U132_HCD=y
CONFIG_USB_SL811_HCD=y
# CONFIG_USB_SL811_HCD_ISO is not set
CONFIG_USB_SL811_CS=y
CONFIG_USB_R8A66597_HCD=y
CONFIG_USB_WHCI_HCD=y
CONFIG_USB_HWA_HCD=y
# CONFIG_USB_MUSB_HDRC is not set
# CONFIG_USB_RENESAS_USBHS is not set
#
# USB Device Class drivers
#
CONFIG_USB_ACM=y
CONFIG_USB_PRINTER=y
CONFIG_USB_WDM=y
CONFIG_USB_TMC=y
#
# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may
#
#
# also be needed; see USB_STORAGE Help for more info
#
CONFIG_USB_STORAGE=y
# CONFIG_USB_STORAGE_DEBUG is not set
CONFIG_USB_STORAGE_REALTEK=y
CONFIG_REALTEK_AUTOPM=y
CONFIG_USB_STORAGE_DATAFAB=y
CONFIG_USB_STORAGE_FREECOM=y
CONFIG_USB_STORAGE_ISD200=y
CONFIG_USB_STORAGE_USBAT=y
CONFIG_USB_STORAGE_SDDR09=y
CONFIG_USB_STORAGE_SDDR55=y
CONFIG_USB_STORAGE_JUMPSHOT=y
CONFIG_USB_STORAGE_ALAUDA=y
CONFIG_USB_STORAGE_ONETOUCH=y
CONFIG_USB_STORAGE_KARMA=y
CONFIG_USB_STORAGE_CYPRESS_ATACB=y
CONFIG_USB_STORAGE_ENE_UB6250=y
CONFIG_USB_UAS=y
# CONFIG_USB_LIBUSUAL is not set
#
# USB Imaging devices
#
CONFIG_USB_MDC800=y
CONFIG_USB_MICROTEK=y
#
# USB port drivers
#
CONFIG_USB_USS720=y
CONFIG_USB_SERIAL=y
# CONFIG_USB_SERIAL_CONSOLE is not set
CONFIG_USB_EZUSB=y
CONFIG_USB_SERIAL_GENERIC=y
CONFIG_USB_SERIAL_AIRCABLE=y
CONFIG_USB_SERIAL_ARK3116=y
CONFIG_USB_SERIAL_BELKIN=y
CONFIG_USB_SERIAL_CH341=y
CONFIG_USB_SERIAL_WHITEHEAT=y
CONFIG_USB_SERIAL_DIGI_ACCELEPORT=y
CONFIG_USB_SERIAL_CP210X=y
CONFIG_USB_SERIAL_CYPRESS_M8=y
CONFIG_USB_SERIAL_EMPEG=y
CONFIG_USB_SERIAL_FTDI_SIO=y
CONFIG_USB_SERIAL_FUNSOFT=y
CONFIG_USB_SERIAL_VISOR=y
CONFIG_USB_SERIAL_IPAQ=y
CONFIG_USB_SERIAL_IR=y
CONFIG_USB_SERIAL_EDGEPORT=y
CONFIG_USB_SERIAL_EDGEPORT_TI=y
# CONFIG_USB_SERIAL_F81232 is not set
CONFIG_USB_SERIAL_GARMIN=y
CONFIG_USB_SERIAL_IPW=y
CONFIG_USB_SERIAL_IUU=y
CONFIG_USB_SERIAL_KEYSPAN_PDA=y
CONFIG_USB_SERIAL_KEYSPAN=y
CONFIG_USB_SERIAL_KLSI=y
CONFIG_USB_SERIAL_KOBIL_SCT=y
CONFIG_USB_SERIAL_MCT_U232=y
# CONFIG_USB_SERIAL_METRO is not set
CONFIG_USB_SERIAL_MOS7720=y
CONFIG_USB_SERIAL_MOS7715_PARPORT=y
CONFIG_USB_SERIAL_MOS7840=y
CONFIG_USB_SERIAL_MOTOROLA=y
CONFIG_USB_SERIAL_NAVMAN=y
CONFIG_USB_SERIAL_PL2303=y
CONFIG_USB_SERIAL_OTI6858=y
CONFIG_USB_SERIAL_QCAUX=y
CONFIG_USB_SERIAL_QUALCOMM=y
CONFIG_USB_SERIAL_SPCP8X5=y
CONFIG_USB_SERIAL_HP4X=y
CONFIG_USB_SERIAL_SAFE=y
# CONFIG_USB_SERIAL_SAFE_PADDED is not set
CONFIG_USB_SERIAL_SIEMENS_MPI=y
CONFIG_USB_SERIAL_SIERRAWIRELESS=y
CONFIG_USB_SERIAL_SYMBOL=y
CONFIG_USB_SERIAL_TI=y
CONFIG_USB_SERIAL_CYBERJACK=y
CONFIG_USB_SERIAL_XIRCOM=y
CONFIG_USB_SERIAL_WWAN=y
CONFIG_USB_SERIAL_OPTION=y
CONFIG_USB_SERIAL_OMNINET=y
CONFIG_USB_SERIAL_OPTICON=y
CONFIG_USB_SERIAL_VIVOPAY_SERIAL=y
CONFIG_USB_SERIAL_ZIO=y
CONFIG_USB_SERIAL_SSU100=y
CONFIG_USB_SERIAL_DEBUG=y
#
# USB Miscellaneous drivers
#
CONFIG_USB_EMI62=y
CONFIG_USB_EMI26=y
CONFIG_USB_ADUTUX=y
CONFIG_USB_SEVSEG=y
CONFIG_USB_RIO500=y
CONFIG_USB_LEGOTOWER=y
CONFIG_USB_LCD=y
CONFIG_USB_LED=y
CONFIG_USB_CYPRESS_CY7C63=y
CONFIG_USB_CYTHERM=y
CONFIG_USB_IDMOUSE=y
CONFIG_USB_FTDI_ELAN=y
CONFIG_USB_APPLEDISPLAY=y
CONFIG_USB_SISUSBVGA=y
CONFIG_USB_SISUSBVGA_CON=y
CONFIG_USB_LD=y
CONFIG_USB_TRANCEVIBRATOR=y
CONFIG_USB_IOWARRIOR=y
CONFIG_USB_TEST=y
CONFIG_USB_ISIGHTFW=y
CONFIG_USB_YUREX=y
CONFIG_USB_ATM=y
CONFIG_USB_SPEEDTOUCH=y
CONFIG_USB_CXACRU=y
CONFIG_USB_UEAGLEATM=y
CONFIG_USB_XUSBATM=y
CONFIG_USB_GADGET=y
# CONFIG_USB_GADGET_DEBUG is not set
# CONFIG_USB_GADGET_DEBUG_FILES is not set
# CONFIG_USB_GADGET_DEBUG_FS is not set
CONFIG_USB_GADGET_VBUS_DRAW=2
CONFIG_USB_GADGET_STORAGE_NUM_BUFFERS=2
# CONFIG_USB_R8A66597 is not set
# CONFIG_USB_MV_UDC is not set
# CONFIG_USB_M66592 is not set
# CONFIG_USB_AMD5536UDC is not set
# CONFIG_USB_CI13XXX_PCI is not set
# CONFIG_USB_NET2272 is not set
# CONFIG_USB_NET2280 is not set
# CONFIG_USB_GOKU is not set
CONFIG_USB_EG20T=y
# CONFIG_USB_DUMMY_HCD is not set
CONFIG_USB_GADGET_DUALSPEED=y
# CONFIG_USB_ZERO is not set
# CONFIG_USB_AUDIO is not set
# CONFIG_USB_ETH is not set
# CONFIG_USB_G_NCM is not set
# CONFIG_USB_GADGETFS is not set
# CONFIG_USB_FUNCTIONFS is not set
# CONFIG_USB_FILE_STORAGE is not set
# CONFIG_USB_MASS_STORAGE is not set
# CONFIG_USB_G_SERIAL is not set
# CONFIG_USB_MIDI_GADGET is not set
# CONFIG_USB_G_PRINTER is not set
# CONFIG_USB_CDC_COMPOSITE is not set
# CONFIG_USB_G_NOKIA is not set
# CONFIG_USB_G_ACM_MS is not set
# CONFIG_USB_G_MULTI is not set
# CONFIG_USB_G_HID is not set
# CONFIG_USB_G_DBGP is not set
# CONFIG_USB_G_WEBCAM is not set
#
# OTG and related infrastructure
#
CONFIG_USB_OTG_UTILS=y
# CONFIG_USB_GPIO_VBUS is not set
CONFIG_NOP_USB_XCEIV=y
CONFIG_UWB=y
CONFIG_UWB_HWA=y
CONFIG_UWB_WHCI=y
CONFIG_UWB_I1480U=y
CONFIG_MMC=y
# CONFIG_MMC_DEBUG is not set
# CONFIG_MMC_UNSAFE_RESUME is not set
# CONFIG_MMC_CLKGATE is not set
#
# MMC/SD/SDIO Card Drivers
#
CONFIG_MMC_BLOCK=y
CONFIG_MMC_BLOCK_MINORS=8
CONFIG_MMC_BLOCK_BOUNCE=y
CONFIG_SDIO_UART=y
# CONFIG_MMC_TEST is not set
#
# MMC/SD/SDIO Host Controller Drivers
#
CONFIG_MMC_SDHCI=y
CONFIG_MMC_SDHCI_PCI=y
CONFIG_MMC_RICOH_MMC=y
CONFIG_MMC_SDHCI_PLTFM=y
CONFIG_MMC_WBSD=y
CONFIG_MMC_TIFM_SD=y
CONFIG_MMC_SPI=y
CONFIG_MMC_SDRICOH_CS=y
CONFIG_MMC_CB710=y
CONFIG_MMC_VIA_SDMMC=y
CONFIG_MMC_VUB300=y
CONFIG_MMC_USHC=y
CONFIG_MEMSTICK=y
# CONFIG_MEMSTICK_DEBUG is not set
#
# MemoryStick drivers
#
# CONFIG_MEMSTICK_UNSAFE_RESUME is not set
CONFIG_MSPRO_BLOCK=y
#
# MemoryStick Host Controller Drivers
#
CONFIG_MEMSTICK_TIFM_MS=y
CONFIG_MEMSTICK_JMICRON_38X=y
CONFIG_MEMSTICK_R592=y
CONFIG_NEW_LEDS=y
CONFIG_LEDS_CLASS=y
#
# LED drivers
#
# CONFIG_LEDS_LM3530 is not set
CONFIG_LEDS_PCA9532=y
# CONFIG_LEDS_PCA9532_GPIO is not set
# CONFIG_LEDS_GPIO is not set
CONFIG_LEDS_LP3944=y
# CONFIG_LEDS_LP5521 is not set
# CONFIG_LEDS_LP5523 is not set
CONFIG_LEDS_CLEVO_MAIL=y
CONFIG_LEDS_PCA955X=y
# CONFIG_LEDS_PCA9633 is not set
CONFIG_LEDS_DAC124S085=y
CONFIG_LEDS_REGULATOR=y
CONFIG_LEDS_BD2802=y
CONFIG_LEDS_INTEL_SS4200=y
CONFIG_LEDS_LT3593=y
CONFIG_LEDS_DELL_NETBOOKS=y
# CONFIG_LEDS_TCA6507 is not set
# CONFIG_LEDS_OT200 is not set
CONFIG_LEDS_TRIGGERS=y
#
# LED Triggers
#
CONFIG_LEDS_TRIGGER_TIMER=y
CONFIG_LEDS_TRIGGER_IDE_DISK=y
CONFIG_LEDS_TRIGGER_HEARTBEAT=y
CONFIG_LEDS_TRIGGER_BACKLIGHT=y
# CONFIG_LEDS_TRIGGER_GPIO is not set
CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
#
# iptables trigger is under Netfilter config (LED target)
#
CONFIG_ACCESSIBILITY=y
CONFIG_A11Y_BRAILLE_CONSOLE=y
CONFIG_INFINIBAND=y
CONFIG_INFINIBAND_USER_MAD=y
CONFIG_INFINIBAND_USER_ACCESS=y
CONFIG_INFINIBAND_USER_MEM=y
CONFIG_INFINIBAND_ADDR_TRANS=y
CONFIG_INFINIBAND_MTHCA=y
CONFIG_INFINIBAND_MTHCA_DEBUG=y
CONFIG_INFINIBAND_IPATH=y
CONFIG_INFINIBAND_QIB=y
CONFIG_INFINIBAND_AMSO1100=y
# CONFIG_INFINIBAND_AMSO1100_DEBUG is not set
CONFIG_INFINIBAND_CXGB3=y
# CONFIG_INFINIBAND_CXGB3_DEBUG is not set
CONFIG_INFINIBAND_CXGB4=y
CONFIG_MLX4_INFINIBAND=y
CONFIG_INFINIBAND_NES=y
# CONFIG_INFINIBAND_NES_DEBUG is not set
CONFIG_INFINIBAND_IPOIB=y
CONFIG_INFINIBAND_IPOIB_CM=y
CONFIG_INFINIBAND_IPOIB_DEBUG=y
# CONFIG_INFINIBAND_IPOIB_DEBUG_DATA is not set
CONFIG_INFINIBAND_SRP=y
# CONFIG_INFINIBAND_SRPT is not set
CONFIG_INFINIBAND_ISER=y
CONFIG_EDAC=y
#
# Reporting subsystems
#
# CONFIG_EDAC_DEBUG is not set
CONFIG_EDAC_DECODE_MCE=y
# CONFIG_EDAC_MCE_INJ is not set
CONFIG_EDAC_MM_EDAC=y
CONFIG_EDAC_AMD64=y
# CONFIG_EDAC_AMD64_ERROR_INJECTION is not set
CONFIG_EDAC_E752X=y
CONFIG_EDAC_I82975X=y
CONFIG_EDAC_I3000=y
CONFIG_EDAC_I3200=y
CONFIG_EDAC_X38=y
CONFIG_EDAC_I5400=y
CONFIG_EDAC_I7CORE=y
CONFIG_EDAC_I5000=y
CONFIG_EDAC_I5100=y
CONFIG_EDAC_I7300=y
# CONFIG_EDAC_SBRIDGE is not set
CONFIG_RTC_LIB=y
CONFIG_RTC_CLASS=y
CONFIG_RTC_HCTOSYS=y
CONFIG_RTC_HCTOSYS_DEVICE="rtc0"
# CONFIG_RTC_DEBUG is not set
#
# RTC interfaces
#
CONFIG_RTC_INTF_SYSFS=y
CONFIG_RTC_INTF_PROC=y
CONFIG_RTC_INTF_DEV=y
# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set
CONFIG_RTC_DRV_TEST=y
#
# I2C RTC drivers
#
CONFIG_RTC_DRV_DS1307=y
CONFIG_RTC_DRV_DS1374=y
CONFIG_RTC_DRV_DS1672=y
# CONFIG_RTC_DRV_DS3232 is not set
CONFIG_RTC_DRV_MAX6900=y
CONFIG_RTC_DRV_RS5C372=y
CONFIG_RTC_DRV_ISL1208=y
# CONFIG_RTC_DRV_ISL12022 is not set
CONFIG_RTC_DRV_X1205=y
CONFIG_RTC_DRV_PCF8563=y
CONFIG_RTC_DRV_PCF8583=y
CONFIG_RTC_DRV_M41T80=y
# CONFIG_RTC_DRV_M41T80_WDT is not set
CONFIG_RTC_DRV_BQ32K=y
CONFIG_RTC_DRV_S35390A=y
CONFIG_RTC_DRV_FM3130=y
CONFIG_RTC_DRV_RX8581=y
CONFIG_RTC_DRV_RX8025=y
# CONFIG_RTC_DRV_EM3027 is not set
# CONFIG_RTC_DRV_RV3029C2 is not set
#
# SPI RTC drivers
#
# CONFIG_RTC_DRV_M41T93 is not set
CONFIG_RTC_DRV_M41T94=y
CONFIG_RTC_DRV_DS1305=y
CONFIG_RTC_DRV_DS1390=y
CONFIG_RTC_DRV_MAX6902=y
CONFIG_RTC_DRV_R9701=y
CONFIG_RTC_DRV_RS5C348=y
CONFIG_RTC_DRV_DS3234=y
CONFIG_RTC_DRV_PCF2123=y
#
# Platform RTC drivers
#
CONFIG_RTC_DRV_CMOS=y
CONFIG_RTC_DRV_DS1286=y
CONFIG_RTC_DRV_DS1511=y
CONFIG_RTC_DRV_DS1553=y
CONFIG_RTC_DRV_DS1742=y
CONFIG_RTC_DRV_STK17TA8=y
CONFIG_RTC_DRV_M48T86=y
CONFIG_RTC_DRV_M48T35=y
CONFIG_RTC_DRV_M48T59=y
CONFIG_RTC_DRV_MSM6242=y
CONFIG_RTC_DRV_BQ4802=y
CONFIG_RTC_DRV_RP5C01=y
CONFIG_RTC_DRV_V3020=y
CONFIG_RTC_DRV_PCF50633=y
#
# on-CPU RTC drivers
#
CONFIG_DMADEVICES=y
# CONFIG_DMADEVICES_DEBUG is not set
#
# DMA Devices
#
# CONFIG_INTEL_MID_DMAC is not set
CONFIG_INTEL_IOATDMA=y
# CONFIG_TIMB_DMA is not set
CONFIG_PCH_DMA=y
CONFIG_DMA_ENGINE=y
#
# DMA Clients
#
CONFIG_NET_DMA=y
CONFIG_ASYNC_TX_DMA=y
# CONFIG_DMATEST is not set
CONFIG_DCA=y
# CONFIG_AUXDISPLAY is not set
CONFIG_UIO=y
CONFIG_UIO_CIF=y
CONFIG_UIO_PDRV=y
CONFIG_UIO_PDRV_GENIRQ=y
CONFIG_UIO_AEC=y
CONFIG_UIO_SERCOS3=y
CONFIG_UIO_PCI_GENERIC=y
CONFIG_UIO_NETX=y
CONFIG_VIRTIO=y
CONFIG_VIRTIO_RING=y
#
# Virtio drivers
#
CONFIG_VIRTIO_PCI=y
CONFIG_VIRTIO_BALLOON=y
CONFIG_VIRTIO_MMIO=y
#
# Microsoft Hyper-V guest support
#
CONFIG_HYPERV=y
CONFIG_HYPERV_UTILS=y
#
# Xen driver support
#
CONFIG_XEN_BALLOON=y
# CONFIG_XEN_BALLOON_MEMORY_HOTPLUG is not set
CONFIG_XEN_SCRUB_PAGES=y
CONFIG_XEN_DEV_EVTCHN=y
CONFIG_XEN_BACKEND=y
CONFIG_XENFS=y
CONFIG_XEN_COMPAT_XENFS=y
CONFIG_XEN_SYS_HYPERVISOR=y
CONFIG_XEN_XENBUS_FRONTEND=y
CONFIG_XEN_GNTDEV=y
CONFIG_XEN_GRANT_DEV_ALLOC=y
CONFIG_SWIOTLB_XEN=y
CONFIG_XEN_PCIDEV_BACKEND=y
CONFIG_XEN_PRIVCMD=y
CONFIG_XEN_ACPI_PROCESSOR=m
CONFIG_STAGING=y
CONFIG_ET131X=y
# CONFIG_SLICOSS is not set
CONFIG_USBIP_CORE=y
CONFIG_USBIP_VHCI_HCD=y
CONFIG_USBIP_HOST=y
# CONFIG_USBIP_DEBUG is not set
# CONFIG_W35UND is not set
CONFIG_PRISM2_USB=y
# CONFIG_ECHO is not set
CONFIG_COMEDI=m
# CONFIG_COMEDI_DEBUG is not set
CONFIG_COMEDI_MISC_DRIVERS=m
CONFIG_COMEDI_KCOMEDILIB=m
CONFIG_COMEDI_BOND=m
CONFIG_COMEDI_TEST=m
CONFIG_COMEDI_PARPORT=m
CONFIG_COMEDI_SERIAL2002=m
# CONFIG_COMEDI_SKEL is not set
CONFIG_COMEDI_PCI_DRIVERS=m
CONFIG_COMEDI_ADDI_APCI_035=m
CONFIG_COMEDI_ADDI_APCI_1032=m
CONFIG_COMEDI_ADDI_APCI_1500=m
CONFIG_COMEDI_ADDI_APCI_1516=m
CONFIG_COMEDI_ADDI_APCI_1564=m
CONFIG_COMEDI_ADDI_APCI_16XX=m
CONFIG_COMEDI_ADDI_APCI_2016=m
CONFIG_COMEDI_ADDI_APCI_2032=m
CONFIG_COMEDI_ADDI_APCI_2200=m
CONFIG_COMEDI_ADDI_APCI_3001=m
CONFIG_COMEDI_ADDI_APCI_3120=m
CONFIG_COMEDI_ADDI_APCI_3501=m
CONFIG_COMEDI_ADDI_APCI_3XXX=m
CONFIG_COMEDI_ADL_PCI6208=m
# CONFIG_COMEDI_ADL_PCI7230 is not set
CONFIG_COMEDI_ADL_PCI7296=m
CONFIG_COMEDI_ADL_PCI7432=m
CONFIG_COMEDI_ADL_PCI8164=m
CONFIG_COMEDI_ADL_PCI9111=m
CONFIG_COMEDI_ADL_PCI9118=m
CONFIG_COMEDI_ADV_PCI1710=m
CONFIG_COMEDI_ADV_PCI1723=m
CONFIG_COMEDI_ADV_PCI_DIO=m
# CONFIG_COMEDI_AMPLC_DIO200 is not set
# CONFIG_COMEDI_AMPLC_PC236 is not set
# CONFIG_COMEDI_AMPLC_PC263 is not set
CONFIG_COMEDI_AMPLC_PCI224=m
CONFIG_COMEDI_AMPLC_PCI230=m
CONFIG_COMEDI_CONTEC_PCI_DIO=m
CONFIG_COMEDI_DT3000=m
# CONFIG_COMEDI_DYNA_PCI10XX is not set
CONFIG_COMEDI_UNIOXX5=m
CONFIG_COMEDI_GSC_HPDI=m
CONFIG_COMEDI_ICP_MULTI=m
CONFIG_COMEDI_II_PCI20KC=m
CONFIG_COMEDI_DAQBOARD2000=m
CONFIG_COMEDI_JR3_PCI=m
CONFIG_COMEDI_KE_COUNTER=m
CONFIG_COMEDI_CB_PCIDAS64=m
CONFIG_COMEDI_CB_PCIDAS=m
CONFIG_COMEDI_CB_PCIDDA=m
CONFIG_COMEDI_CB_PCIDIO=m
CONFIG_COMEDI_CB_PCIMDAS=m
CONFIG_COMEDI_CB_PCIMDDA=m
CONFIG_COMEDI_ME4000=m
CONFIG_COMEDI_ME_DAQ=m
CONFIG_COMEDI_NI_6527=m
CONFIG_COMEDI_NI_65XX=m
CONFIG_COMEDI_NI_660X=m
CONFIG_COMEDI_NI_670X=m
CONFIG_COMEDI_NI_PCIDIO=m
CONFIG_COMEDI_NI_PCIMIO=m
CONFIG_COMEDI_RTD520=m
CONFIG_COMEDI_S526=m
CONFIG_COMEDI_S626=m
CONFIG_COMEDI_SSV_DNP=m
CONFIG_COMEDI_PCMCIA_DRIVERS=m
CONFIG_COMEDI_CB_DAS16_CS=m
CONFIG_COMEDI_DAS08_CS=m
CONFIG_COMEDI_NI_DAQ_700_CS=m
CONFIG_COMEDI_NI_DAQ_DIO24_CS=m
CONFIG_COMEDI_NI_LABPC_CS=m
CONFIG_COMEDI_NI_MIO_CS=m
CONFIG_COMEDI_QUATECH_DAQP_CS=m
CONFIG_COMEDI_USB_DRIVERS=m
CONFIG_COMEDI_DT9812=m
CONFIG_COMEDI_USBDUX=m
CONFIG_COMEDI_USBDUXFAST=m
# CONFIG_COMEDI_USBDUXSIGMA is not set
CONFIG_COMEDI_VMK80XX=m
CONFIG_COMEDI_NI_COMMON=m
CONFIG_COMEDI_MITE=m
CONFIG_COMEDI_NI_TIO=m
CONFIG_COMEDI_NI_LABPC=m
CONFIG_COMEDI_8255=m
CONFIG_COMEDI_DAS08=m
CONFIG_COMEDI_FC=m
# CONFIG_ASUS_OLED is not set
# CONFIG_PANEL is not set
CONFIG_R8187SE=m
CONFIG_RTL8192U=m
# CONFIG_RTLLIB is not set
CONFIG_R8712U=y
CONFIG_RTS_PSTOR=y
# CONFIG_RTS_PSTOR_DEBUG is not set
# CONFIG_RTS5139 is not set
# CONFIG_TRANZPORT is not set
# CONFIG_IDE_PHISON is not set
# CONFIG_LINE6_USB is not set
# CONFIG_USB_SERIAL_QUATECH2 is not set
# CONFIG_USB_SERIAL_QUATECH_USB2 is not set
# CONFIG_VT6655 is not set
CONFIG_VT6656=m
# CONFIG_VME_BUS is not set
# CONFIG_DX_SEP is not set
# CONFIG_IIO is not set
CONFIG_ZRAM=y
# CONFIG_ZRAM_DEBUG is not set
CONFIG_ZSMALLOC=y
# CONFIG_WLAGS49_H2 is not set
# CONFIG_WLAGS49_H25 is not set
# CONFIG_FB_SM7XX is not set
# CONFIG_CRYSTALHD is not set
# CONFIG_CXT1E1 is not set
# CONFIG_FB_XGI is not set
# CONFIG_ACPI_QUICKSTART is not set
# CONFIG_SBE_2T3E3 is not set
# CONFIG_USB_ENESTORAGE is not set
# CONFIG_BCM_WIMAX is not set
# CONFIG_FT1000 is not set
#
# Speakup console speech
#
CONFIG_SPEAKUP=y
CONFIG_SPEAKUP_SYNTH_ACNTSA=y
CONFIG_SPEAKUP_SYNTH_ACNTPC=y
CONFIG_SPEAKUP_SYNTH_APOLLO=y
CONFIG_SPEAKUP_SYNTH_AUDPTR=y
CONFIG_SPEAKUP_SYNTH_BNS=y
CONFIG_SPEAKUP_SYNTH_DECTLK=y
CONFIG_SPEAKUP_SYNTH_DECEXT=y
# CONFIG_SPEAKUP_SYNTH_DECPC is not set
CONFIG_SPEAKUP_SYNTH_DTLK=y
CONFIG_SPEAKUP_SYNTH_KEYPC=y
CONFIG_SPEAKUP_SYNTH_LTLK=y
CONFIG_SPEAKUP_SYNTH_SOFT=y
CONFIG_SPEAKUP_SYNTH_SPKOUT=y
CONFIG_SPEAKUP_SYNTH_TXPRT=y
CONFIG_SPEAKUP_SYNTH_DUMMY=y
# CONFIG_TOUCHSCREEN_CLEARPAD_TM1217 is not set
# CONFIG_TOUCHSCREEN_SYNAPTICS_I2C_RMI4 is not set
# CONFIG_INTEL_MEI is not set
CONFIG_STAGING_MEDIA=y
# CONFIG_DVB_AS102 is not set
# CONFIG_DVB_CXD2099 is not set
# CONFIG_VIDEO_DT3155 is not set
CONFIG_EASYCAP=y
# CONFIG_EASYCAP_DEBUG is not set
# CONFIG_VIDEO_GO7007 is not set
# CONFIG_SOLO6X10 is not set
CONFIG_LIRC_STAGING=y
CONFIG_LIRC_BT829=y
CONFIG_LIRC_IGORPLUGUSB=y
CONFIG_LIRC_IMON=y
# CONFIG_LIRC_PARALLEL is not set
CONFIG_LIRC_SASEM=y
CONFIG_LIRC_SERIAL=y
CONFIG_LIRC_SERIAL_TRANSMITTER=y
CONFIG_LIRC_SIR=y
CONFIG_LIRC_TTUSBIR=y
CONFIG_LIRC_ZILOG=y
#
# Android
#
# CONFIG_ANDROID is not set
CONFIG_PHONE=y
CONFIG_PHONE_IXJ=y
CONFIG_PHONE_IXJ_PCMCIA=y
# CONFIG_USB_WPAN_HCD is not set
CONFIG_X86_PLATFORM_DEVICES=y
CONFIG_ACER_WMI=y
CONFIG_ACERHDF=y
CONFIG_ASUS_LAPTOP=y
CONFIG_DELL_LAPTOP=y
CONFIG_DELL_WMI=y
CONFIG_DELL_WMI_AIO=y
CONFIG_FUJITSU_LAPTOP=y
# CONFIG_FUJITSU_LAPTOP_DEBUG is not set
# CONFIG_FUJITSU_TABLET is not set
CONFIG_AMILO_RFKILL=y
CONFIG_HP_ACCEL=y
CONFIG_HP_WMI=y
CONFIG_MSI_LAPTOP=y
CONFIG_PANASONIC_LAPTOP=y
CONFIG_COMPAL_LAPTOP=y
CONFIG_SONY_LAPTOP=y
CONFIG_SONYPI_COMPAT=y
CONFIG_IDEAPAD_LAPTOP=y
CONFIG_THINKPAD_ACPI=y
CONFIG_THINKPAD_ACPI_ALSA_SUPPORT=y
# CONFIG_THINKPAD_ACPI_DEBUGFACILITIES is not set
# CONFIG_THINKPAD_ACPI_DEBUG is not set
# CONFIG_THINKPAD_ACPI_UNSAFE_LEDS is not set
CONFIG_THINKPAD_ACPI_VIDEO=y
CONFIG_THINKPAD_ACPI_HOTKEY_POLL=y
CONFIG_SENSORS_HDAPS=y
# CONFIG_INTEL_MENLOW is not set
CONFIG_EEEPC_LAPTOP=y
CONFIG_ASUS_WMI=y
CONFIG_ASUS_NB_WMI=y
CONFIG_EEEPC_WMI=y
CONFIG_ACPI_WMI=y
CONFIG_MSI_WMI=y
CONFIG_TOPSTAR_LAPTOP=y
CONFIG_ACPI_TOSHIBA=y
CONFIG_TOSHIBA_BT_RFKILL=y
CONFIG_ACPI_CMPC=y
CONFIG_INTEL_IPS=y
# CONFIG_IBM_RTL is not set
# CONFIG_XO15_EBOOK is not set
CONFIG_SAMSUNG_LAPTOP=y
CONFIG_MXM_WMI=y
CONFIG_INTEL_OAKTRAIL=y
# CONFIG_SAMSUNG_Q10 is not set
# CONFIG_APPLE_GMUX is not set
#
# Hardware Spinlock drivers
#
CONFIG_CLKEVT_I8253=y
CONFIG_I8253_LOCK=y
CONFIG_CLKBLD_I8253=y
CONFIG_IOMMU_API=y
CONFIG_IOMMU_SUPPORT=y
CONFIG_AMD_IOMMU=y
# CONFIG_AMD_IOMMU_STATS is not set
# CONFIG_AMD_IOMMU_V2 is not set
CONFIG_DMAR_TABLE=y
CONFIG_INTEL_IOMMU=y
# CONFIG_INTEL_IOMMU_DEFAULT_ON is not set
CONFIG_INTEL_IOMMU_FLOPPY_WA=y
CONFIG_IRQ_REMAP=y
#
# Remoteproc drivers (EXPERIMENTAL)
#
#
# Rpmsg drivers (EXPERIMENTAL)
#
# CONFIG_VIRT_DRIVERS is not set
# CONFIG_PM_DEVFREQ is not set
#
# Firmware Drivers
#
CONFIG_EDD=y
# CONFIG_EDD_OFF is not set
CONFIG_FIRMWARE_MEMMAP=y
CONFIG_EFI_VARS=y
CONFIG_DELL_RBU=y
CONFIG_DCDBAS=y
CONFIG_DMIID=y
# CONFIG_DMI_SYSFS is not set
CONFIG_ISCSI_IBFT_FIND=y
CONFIG_ISCSI_IBFT=y
# CONFIG_GOOGLE_FIRMWARE is not set
#
# File systems
#
CONFIG_EXT2_FS=y
CONFIG_EXT2_FS_XATTR=y
CONFIG_EXT2_FS_POSIX_ACL=y
CONFIG_EXT2_FS_SECURITY=y
# CONFIG_EXT2_FS_XIP is not set
CONFIG_EXT3_FS=y
CONFIG_EXT3_DEFAULTS_TO_ORDERED=y
CONFIG_EXT3_FS_XATTR=y
CONFIG_EXT3_FS_POSIX_ACL=y
CONFIG_EXT3_FS_SECURITY=y
CONFIG_EXT4_FS=y
CONFIG_EXT4_FS_XATTR=y
CONFIG_EXT4_FS_POSIX_ACL=y
CONFIG_EXT4_FS_SECURITY=y
# CONFIG_EXT4_DEBUG is not set
CONFIG_JBD=y
# CONFIG_JBD_DEBUG is not set
CONFIG_JBD2=y
# CONFIG_JBD2_DEBUG is not set
CONFIG_FS_MBCACHE=y
CONFIG_REISERFS_FS=y
# CONFIG_REISERFS_CHECK is not set
# CONFIG_REISERFS_PROC_INFO is not set
CONFIG_REISERFS_FS_XATTR=y
CONFIG_REISERFS_FS_POSIX_ACL=y
CONFIG_REISERFS_FS_SECURITY=y
CONFIG_JFS_FS=y
CONFIG_JFS_POSIX_ACL=y
CONFIG_JFS_SECURITY=y
# CONFIG_JFS_DEBUG is not set
# CONFIG_JFS_STATISTICS is not set
CONFIG_XFS_FS=y
CONFIG_XFS_QUOTA=y
CONFIG_XFS_POSIX_ACL=y
CONFIG_XFS_RT=y
# CONFIG_XFS_DEBUG is not set
CONFIG_GFS2_FS=y
CONFIG_GFS2_FS_LOCKING_DLM=y
CONFIG_OCFS2_FS=y
CONFIG_OCFS2_FS_O2CB=y
CONFIG_OCFS2_FS_USERSPACE_CLUSTER=y
CONFIG_OCFS2_FS_STATS=y
CONFIG_OCFS2_DEBUG_MASKLOG=y
# CONFIG_OCFS2_DEBUG_FS is not set
CONFIG_BTRFS_FS=y
CONFIG_BTRFS_FS_POSIX_ACL=y
# CONFIG_BTRFS_FS_CHECK_INTEGRITY is not set
CONFIG_NILFS2_FS=y
CONFIG_FS_POSIX_ACL=y
CONFIG_EXPORTFS=y
CONFIG_FILE_LOCKING=y
CONFIG_FSNOTIFY=y
CONFIG_DNOTIFY=y
CONFIG_INOTIFY_USER=y
CONFIG_FANOTIFY=y
# CONFIG_FANOTIFY_ACCESS_PERMISSIONS is not set
CONFIG_QUOTA=y
CONFIG_QUOTA_NETLINK_INTERFACE=y
CONFIG_PRINT_QUOTA_WARNING=y
# CONFIG_QUOTA_DEBUG is not set
CONFIG_QUOTA_TREE=y
CONFIG_QFMT_V1=y
CONFIG_QFMT_V2=y
CONFIG_QUOTACTL=y
CONFIG_QUOTACTL_COMPAT=y
CONFIG_AUTOFS4_FS=y
CONFIG_FUSE_FS=y
CONFIG_CUSE=y
CONFIG_GENERIC_ACL=y
#
# Caches
#
CONFIG_FSCACHE=y
CONFIG_FSCACHE_STATS=y
# CONFIG_FSCACHE_HISTOGRAM is not set
# CONFIG_FSCACHE_DEBUG is not set
# CONFIG_FSCACHE_OBJECT_LIST is not set
CONFIG_CACHEFILES=y
# CONFIG_CACHEFILES_DEBUG is not set
# CONFIG_CACHEFILES_HISTOGRAM is not set
#
# CD-ROM/DVD Filesystems
#
CONFIG_ISO9660_FS=y
CONFIG_JOLIET=y
CONFIG_ZISOFS=y
CONFIG_UDF_FS=y
CONFIG_UDF_NLS=y
#
# DOS/FAT/NT Filesystems
#
CONFIG_FAT_FS=y
CONFIG_MSDOS_FS=y
CONFIG_VFAT_FS=y
CONFIG_FAT_DEFAULT_CODEPAGE=437
CONFIG_FAT_DEFAULT_IOCHARSET="utf8"
CONFIG_NTFS_FS=y
# CONFIG_NTFS_DEBUG is not set
CONFIG_NTFS_RW=y
#
# Pseudo filesystems
#
CONFIG_PROC_FS=y
CONFIG_PROC_KCORE=y
CONFIG_PROC_SYSCTL=y
CONFIG_PROC_PAGE_MONITOR=y
CONFIG_SYSFS=y
CONFIG_TMPFS=y
CONFIG_TMPFS_POSIX_ACL=y
CONFIG_TMPFS_XATTR=y
CONFIG_HUGETLBFS=y
CONFIG_HUGETLB_PAGE=y
CONFIG_CONFIGFS_FS=y
CONFIG_MISC_FILESYSTEMS=y
CONFIG_ADFS_FS=y
# CONFIG_ADFS_FS_RW is not set
CONFIG_AFFS_FS=y
CONFIG_ECRYPT_FS=y
CONFIG_HFS_FS=y
CONFIG_HFSPLUS_FS=y
CONFIG_BEFS_FS=y
# CONFIG_BEFS_DEBUG is not set
CONFIG_BFS_FS=y
CONFIG_EFS_FS=y
CONFIG_JFFS2_FS=y
CONFIG_JFFS2_FS_DEBUG=0
CONFIG_JFFS2_FS_WRITEBUFFER=y
# CONFIG_JFFS2_FS_WBUF_VERIFY is not set
CONFIG_JFFS2_SUMMARY=y
CONFIG_JFFS2_FS_XATTR=y
CONFIG_JFFS2_FS_POSIX_ACL=y
CONFIG_JFFS2_FS_SECURITY=y
CONFIG_JFFS2_COMPRESSION_OPTIONS=y
CONFIG_JFFS2_ZLIB=y
CONFIG_JFFS2_LZO=y
CONFIG_JFFS2_RTIME=y
# CONFIG_JFFS2_RUBIN is not set
# CONFIG_JFFS2_CMODE_NONE is not set
CONFIG_JFFS2_CMODE_PRIORITY=y
# CONFIG_JFFS2_CMODE_SIZE is not set
# CONFIG_JFFS2_CMODE_FAVOURLZO is not set
CONFIG_UBIFS_FS=y
# CONFIG_UBIFS_FS_XATTR is not set
CONFIG_UBIFS_FS_ADVANCED_COMPR=y
CONFIG_UBIFS_FS_LZO=y
CONFIG_UBIFS_FS_ZLIB=y
# CONFIG_UBIFS_FS_DEBUG is not set
CONFIG_LOGFS=y
CONFIG_CRAMFS=y
CONFIG_SQUASHFS=y
CONFIG_SQUASHFS_XATTR=y
CONFIG_SQUASHFS_ZLIB=y
CONFIG_SQUASHFS_LZO=y
CONFIG_SQUASHFS_XZ=y
# CONFIG_SQUASHFS_4K_DEVBLK_SIZE is not set
# CONFIG_SQUASHFS_EMBEDDED is not set
CONFIG_SQUASHFS_FRAGMENT_CACHE_SIZE=3
CONFIG_VXFS_FS=y
CONFIG_MINIX_FS=y
CONFIG_OMFS_FS=y
# CONFIG_HPFS_FS is not set
CONFIG_QNX4FS_FS=y
# CONFIG_QNX6FS_FS is not set
CONFIG_ROMFS_FS=y
# CONFIG_ROMFS_BACKED_BY_BLOCK is not set
# CONFIG_ROMFS_BACKED_BY_MTD is not set
CONFIG_ROMFS_BACKED_BY_BOTH=y
CONFIG_ROMFS_ON_BLOCK=y
CONFIG_ROMFS_ON_MTD=y
CONFIG_PSTORE=y
CONFIG_SYSV_FS=y
CONFIG_UFS_FS=y
# CONFIG_UFS_FS_WRITE is not set
# CONFIG_UFS_DEBUG is not set
CONFIG_EXOFS_FS=y
# CONFIG_EXOFS_DEBUG is not set
CONFIG_ORE=y
CONFIG_NETWORK_FILESYSTEMS=y
CONFIG_NFS_FS=y
CONFIG_NFS_V3=y
CONFIG_NFS_V3_ACL=y
CONFIG_NFS_V4=y
CONFIG_NFS_V4_1=y
CONFIG_PNFS_FILE_LAYOUT=y
CONFIG_PNFS_BLOCK=m
CONFIG_PNFS_OBJLAYOUT=m
CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN="kernel.org"
CONFIG_ROOT_NFS=y
CONFIG_NFS_FSCACHE=y
# CONFIG_NFS_USE_LEGACY_DNS is not set
CONFIG_NFS_USE_KERNEL_DNS=y
CONFIG_NFSD=y
CONFIG_NFSD_V2_ACL=y
CONFIG_NFSD_V3=y
CONFIG_NFSD_V3_ACL=y
CONFIG_NFSD_V4=y
# CONFIG_NFSD_FAULT_INJECTION is not set
CONFIG_LOCKD=y
CONFIG_LOCKD_V4=y
CONFIG_NFS_ACL_SUPPORT=y
CONFIG_NFS_COMMON=y
CONFIG_SUNRPC=y
CONFIG_SUNRPC_GSS=y
CONFIG_SUNRPC_BACKCHANNEL=y
CONFIG_SUNRPC_XPRT_RDMA=y
CONFIG_RPCSEC_GSS_KRB5=y
# CONFIG_SUNRPC_DEBUG is not set
CONFIG_CEPH_FS=y
CONFIG_CIFS=y
# CONFIG_CIFS_STATS is not set
CONFIG_CIFS_WEAK_PW_HASH=y
CONFIG_CIFS_UPCALL=y
CONFIG_CIFS_XATTR=y
CONFIG_CIFS_POSIX=y
# CONFIG_CIFS_DEBUG2 is not set
CONFIG_CIFS_DFS_UPCALL=y
CONFIG_CIFS_FSCACHE=y
CONFIG_CIFS_ACL=y
CONFIG_NCP_FS=y
CONFIG_NCPFS_PACKET_SIGNING=y
CONFIG_NCPFS_IOCTL_LOCKING=y
CONFIG_NCPFS_STRONG=y
CONFIG_NCPFS_NFS_NS=y
CONFIG_NCPFS_OS2_NS=y
# CONFIG_NCPFS_SMALLDOS is not set
CONFIG_NCPFS_NLS=y
CONFIG_NCPFS_EXTRAS=y
CONFIG_CODA_FS=y
CONFIG_AFS_FS=y
# CONFIG_AFS_DEBUG is not set
CONFIG_AFS_FSCACHE=y
CONFIG_9P_FS=y
CONFIG_9P_FSCACHE=y
CONFIG_9P_FS_POSIX_ACL=y
CONFIG_NLS=y
CONFIG_NLS_DEFAULT="utf8"
CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_CODEPAGE_737=y
CONFIG_NLS_CODEPAGE_775=y
CONFIG_NLS_CODEPAGE_850=y
CONFIG_NLS_CODEPAGE_852=y
CONFIG_NLS_CODEPAGE_855=y
CONFIG_NLS_CODEPAGE_857=y
CONFIG_NLS_CODEPAGE_860=y
CONFIG_NLS_CODEPAGE_861=y
CONFIG_NLS_CODEPAGE_862=y
CONFIG_NLS_CODEPAGE_863=y
CONFIG_NLS_CODEPAGE_864=y
CONFIG_NLS_CODEPAGE_865=y
CONFIG_NLS_CODEPAGE_866=y
CONFIG_NLS_CODEPAGE_869=y
CONFIG_NLS_CODEPAGE_936=y
CONFIG_NLS_CODEPAGE_950=y
CONFIG_NLS_CODEPAGE_932=y
CONFIG_NLS_CODEPAGE_949=y
CONFIG_NLS_CODEPAGE_874=y
CONFIG_NLS_ISO8859_8=y
CONFIG_NLS_CODEPAGE_1250=y
CONFIG_NLS_CODEPAGE_1251=y
CONFIG_NLS_ASCII=y
CONFIG_NLS_ISO8859_1=y
CONFIG_NLS_ISO8859_2=y
CONFIG_NLS_ISO8859_3=y
CONFIG_NLS_ISO8859_4=y
CONFIG_NLS_ISO8859_5=y
CONFIG_NLS_ISO8859_6=y
CONFIG_NLS_ISO8859_7=y
CONFIG_NLS_ISO8859_9=y
CONFIG_NLS_ISO8859_13=y
CONFIG_NLS_ISO8859_14=y
CONFIG_NLS_ISO8859_15=y
CONFIG_NLS_KOI8_R=y
CONFIG_NLS_KOI8_U=y
CONFIG_NLS_UTF8=y
CONFIG_DLM=y
CONFIG_DLM_DEBUG=y
#
# Kernel hacking
#
CONFIG_TRACE_IRQFLAGS_SUPPORT=y
CONFIG_PRINTK_TIME=y
CONFIG_DEFAULT_MESSAGE_LOGLEVEL=4
CONFIG_ENABLE_WARN_DEPRECATED=y
CONFIG_ENABLE_MUST_CHECK=y
CONFIG_FRAME_WARN=2048
CONFIG_MAGIC_SYSRQ=y
CONFIG_STRIP_ASM_SYMS=y
CONFIG_UNUSED_SYMBOLS=y
CONFIG_DEBUG_FS=y
# CONFIG_HEADERS_CHECK is not set
CONFIG_DEBUG_SECTION_MISMATCH=y
CONFIG_DEBUG_KERNEL=y
CONFIG_DEBUG_SHIRQ=y
CONFIG_LOCKUP_DETECTOR=y
CONFIG_HARDLOCKUP_DETECTOR=y
# CONFIG_BOOTPARAM_HARDLOCKUP_PANIC is not set
CONFIG_BOOTPARAM_HARDLOCKUP_PANIC_VALUE=0
# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
CONFIG_DETECT_HUNG_TASK=y
CONFIG_DEFAULT_HUNG_TASK_TIMEOUT=300
CONFIG_BOOTPARAM_HUNG_TASK_PANIC=y
CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=1
CONFIG_SCHED_DEBUG=y
CONFIG_SCHEDSTATS=y
CONFIG_TIMER_STATS=y
CONFIG_DEBUG_OBJECTS=y
# CONFIG_DEBUG_OBJECTS_SELFTEST is not set
# CONFIG_DEBUG_OBJECTS_FREE is not set
# CONFIG_DEBUG_OBJECTS_TIMERS is not set
# CONFIG_DEBUG_OBJECTS_WORK is not set
# CONFIG_DEBUG_OBJECTS_RCU_HEAD is not set
# CONFIG_DEBUG_OBJECTS_PERCPU_COUNTER is not set
CONFIG_DEBUG_OBJECTS_ENABLE_DEFAULT=1
CONFIG_DEBUG_SLAB=y
# CONFIG_DEBUG_SLAB_LEAK is not set
# CONFIG_DEBUG_KMEMLEAK is not set
CONFIG_DEBUG_RT_MUTEXES=y
CONFIG_DEBUG_PI_LIST=y
CONFIG_RT_MUTEX_TESTER=y
CONFIG_DEBUG_SPINLOCK=y
CONFIG_DEBUG_MUTEXES=y
CONFIG_DEBUG_LOCK_ALLOC=y
CONFIG_PROVE_LOCKING=y
# CONFIG_PROVE_RCU is not set
CONFIG_SPARSE_RCU_POINTER=y
CONFIG_LOCKDEP=y
CONFIG_LOCK_STAT=y
# CONFIG_DEBUG_LOCKDEP is not set
CONFIG_TRACE_IRQFLAGS=y
CONFIG_DEBUG_ATOMIC_SLEEP=y
CONFIG_DEBUG_LOCKING_API_SELFTESTS=y
CONFIG_STACKTRACE=y
CONFIG_DEBUG_STACK_USAGE=y
# CONFIG_DEBUG_KOBJECT is not set
CONFIG_DEBUG_BUGVERBOSE=y
# CONFIG_DEBUG_INFO is not set
CONFIG_DEBUG_VM=y
CONFIG_DEBUG_VIRTUAL=y
CONFIG_DEBUG_WRITECOUNT=y
CONFIG_DEBUG_MEMORY_INIT=y
CONFIG_DEBUG_LIST=y
CONFIG_TEST_LIST_SORT=y
CONFIG_DEBUG_SG=y
CONFIG_DEBUG_NOTIFIERS=y
CONFIG_DEBUG_CREDENTIALS=y
CONFIG_ARCH_WANT_FRAME_POINTERS=y
CONFIG_FRAME_POINTER=y
CONFIG_BOOT_PRINTK_DELAY=y
# CONFIG_RCU_TORTURE_TEST is not set
CONFIG_RCU_CPU_STALL_TIMEOUT=60
CONFIG_RCU_CPU_STALL_INFO=y
CONFIG_RCU_TRACE=y
CONFIG_KPROBES_SANITY_TEST=y
# CONFIG_BACKTRACE_SELF_TEST is not set
CONFIG_DEBUG_BLOCK_EXT_DEVT=y
CONFIG_DEBUG_FORCE_WEAK_PER_CPU=y
CONFIG_DEBUG_PER_CPU_MAPS=y
CONFIG_LKDTM=y
CONFIG_CPU_NOTIFIER_ERROR_INJECT=y
CONFIG_FAULT_INJECTION=y
# CONFIG_FAILSLAB is not set
# CONFIG_FAIL_PAGE_ALLOC is not set
# CONFIG_FAIL_MAKE_REQUEST is not set
# CONFIG_FAIL_IO_TIMEOUT is not set
# CONFIG_FAIL_MMC_REQUEST is not set
# CONFIG_FAULT_INJECTION_DEBUG_FS is not set
CONFIG_LATENCYTOP=y
CONFIG_DEBUG_PAGEALLOC=y
CONFIG_WANT_PAGE_DEBUG_FLAGS=y
CONFIG_PAGE_GUARD=y
CONFIG_USER_STACKTRACE_SUPPORT=y
CONFIG_NOP_TRACER=y
CONFIG_HAVE_FTRACE_NMI_ENTER=y
CONFIG_HAVE_FUNCTION_TRACER=y
CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
CONFIG_HAVE_FUNCTION_GRAPH_FP_TEST=y
CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y
CONFIG_HAVE_DYNAMIC_FTRACE=y
CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
CONFIG_HAVE_SYSCALL_TRACEPOINTS=y
CONFIG_HAVE_C_RECORDMCOUNT=y
CONFIG_TRACER_MAX_TRACE=y
CONFIG_RING_BUFFER=y
CONFIG_FTRACE_NMI_ENTER=y
CONFIG_EVENT_TRACING=y
CONFIG_EVENT_POWER_TRACING_DEPRECATED=y
CONFIG_CONTEXT_SWITCH_TRACER=y
CONFIG_RING_BUFFER_ALLOW_SWAP=y
CONFIG_TRACING=y
CONFIG_GENERIC_TRACER=y
CONFIG_TRACING_SUPPORT=y
CONFIG_FTRACE=y
CONFIG_FUNCTION_TRACER=y
CONFIG_FUNCTION_GRAPH_TRACER=y
CONFIG_IRQSOFF_TRACER=y
CONFIG_SCHED_TRACER=y
CONFIG_FTRACE_SYSCALLS=y
CONFIG_BRANCH_PROFILE_NONE=y
# CONFIG_PROFILE_ANNOTATED_BRANCHES is not set
# CONFIG_PROFILE_ALL_BRANCHES is not set
# CONFIG_STACK_TRACER is not set
CONFIG_BLK_DEV_IO_TRACE=y
CONFIG_KPROBE_EVENT=y
CONFIG_DYNAMIC_FTRACE=y
# CONFIG_FUNCTION_PROFILER is not set
CONFIG_FTRACE_MCOUNT_RECORD=y
CONFIG_FTRACE_SELFTEST=y
CONFIG_FTRACE_STARTUP_TEST=y
# CONFIG_EVENT_TRACE_TEST_SYSCALLS is not set
CONFIG_MMIOTRACE=y
# CONFIG_MMIOTRACE_TEST is not set
# CONFIG_RING_BUFFER_BENCHMARK is not set
# CONFIG_PROVIDE_OHCI1394_DMA_INIT is not set
# CONFIG_FIREWIRE_OHCI_REMOTE_DMA is not set
# CONFIG_DYNAMIC_DEBUG is not set
CONFIG_DMA_API_DEBUG=y
CONFIG_ATOMIC64_SELFTEST=y
# CONFIG_ASYNC_RAID6_TEST is not set
# CONFIG_SAMPLES is not set
CONFIG_HAVE_ARCH_KGDB=y
# CONFIG_KGDB is not set
CONFIG_HAVE_ARCH_KMEMCHECK=y
# CONFIG_TEST_KSTRTOX is not set
CONFIG_STRICT_DEVMEM=y
CONFIG_X86_VERBOSE_BOOTUP=y
CONFIG_EARLY_PRINTK=y
# CONFIG_EARLY_PRINTK_DBGP is not set
CONFIG_DEBUG_STACKOVERFLOW=y
CONFIG_X86_PTDUMP=y
CONFIG_DEBUG_RODATA=y
CONFIG_DEBUG_RODATA_TEST=y
CONFIG_DEBUG_SET_MODULE_RONX=y
CONFIG_DEBUG_NX_TEST=m
# CONFIG_IOMMU_DEBUG is not set
# CONFIG_IOMMU_STRESS is not set
CONFIG_HAVE_MMIOTRACE_SUPPORT=y
# CONFIG_X86_DECODER_SELFTEST is not set
CONFIG_IO_DELAY_TYPE_0X80=0
CONFIG_IO_DELAY_TYPE_0XED=1
CONFIG_IO_DELAY_TYPE_UDELAY=2
CONFIG_IO_DELAY_TYPE_NONE=3
CONFIG_IO_DELAY_0X80=y
# CONFIG_IO_DELAY_0XED is not set
# CONFIG_IO_DELAY_UDELAY is not set
# CONFIG_IO_DELAY_NONE is not set
CONFIG_DEFAULT_IO_DELAY_TYPE=0
# CONFIG_DEBUG_BOOT_PARAMS is not set
# CONFIG_CPA_DEBUG is not set
CONFIG_OPTIMIZE_INLINING=y
# CONFIG_DEBUG_STRICT_USER_COPY_CHECKS is not set
CONFIG_DEBUG_NMI_SELFTEST=y
#
# Security options
#
CONFIG_KEYS=y
# CONFIG_TRUSTED_KEYS is not set
# CONFIG_ENCRYPTED_KEYS is not set
CONFIG_KEYS_DEBUG_PROC_KEYS=y
# CONFIG_SECURITY_DMESG_RESTRICT is not set
CONFIG_SECURITY=y
CONFIG_SECURITYFS=y
CONFIG_SECURITY_NETWORK=y
CONFIG_SECURITY_NETWORK_XFRM=y
CONFIG_SECURITY_PATH=y
# CONFIG_INTEL_TXT is not set
CONFIG_LSM_MMAP_MIN_ADDR=65536
CONFIG_SECURITY_SELINUX=y
# CONFIG_SECURITY_SELINUX_BOOTPARAM is not set
# CONFIG_SECURITY_SELINUX_DISABLE is not set
CONFIG_SECURITY_SELINUX_DEVELOP=y
CONFIG_SECURITY_SELINUX_AVC_STATS=y
CONFIG_SECURITY_SELINUX_CHECKREQPROT_VALUE=1
# CONFIG_SECURITY_SELINUX_POLICYDB_VERSION_MAX is not set
CONFIG_SECURITY_TOMOYO=y
CONFIG_SECURITY_TOMOYO_MAX_ACCEPT_ENTRY=2048
CONFIG_SECURITY_TOMOYO_MAX_AUDIT_LOG=1024
# CONFIG_SECURITY_TOMOYO_OMIT_USERSPACE_LOADER is not set
CONFIG_SECURITY_TOMOYO_POLICY_LOADER="/sbin/tomoyo-init"
CONFIG_SECURITY_TOMOYO_ACTIVATION_TRIGGER="/sbin/init"
CONFIG_SECURITY_APPARMOR=y
CONFIG_SECURITY_APPARMOR_BOOTPARAM_VALUE=1
# CONFIG_SECURITY_YAMA is not set
# CONFIG_IMA is not set
# CONFIG_EVM is not set
# CONFIG_DEFAULT_SECURITY_SELINUX is not set
# CONFIG_DEFAULT_SECURITY_TOMOYO is not set
# CONFIG_DEFAULT_SECURITY_APPARMOR is not set
CONFIG_DEFAULT_SECURITY_DAC=y
CONFIG_DEFAULT_SECURITY=""
CONFIG_XOR_BLOCKS=y
CONFIG_ASYNC_CORE=y
CONFIG_ASYNC_MEMCPY=y
CONFIG_ASYNC_XOR=y
CONFIG_ASYNC_PQ=y
CONFIG_ASYNC_RAID6_RECOV=y
CONFIG_ASYNC_TX_DISABLE_PQ_VAL_DMA=y
CONFIG_ASYNC_TX_DISABLE_XOR_VAL_DMA=y
CONFIG_CRYPTO=y
#
# Crypto core or helper
#
CONFIG_CRYPTO_FIPS=y
CONFIG_CRYPTO_ALGAPI=y
CONFIG_CRYPTO_ALGAPI2=y
CONFIG_CRYPTO_AEAD=y
CONFIG_CRYPTO_AEAD2=y
CONFIG_CRYPTO_BLKCIPHER=y
CONFIG_CRYPTO_BLKCIPHER2=y
CONFIG_CRYPTO_HASH=y
CONFIG_CRYPTO_HASH2=y
CONFIG_CRYPTO_RNG=y
CONFIG_CRYPTO_RNG2=y
CONFIG_CRYPTO_PCOMP=y
CONFIG_CRYPTO_PCOMP2=y
CONFIG_CRYPTO_MANAGER=y
CONFIG_CRYPTO_MANAGER2=y
# CONFIG_CRYPTO_USER is not set
# CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is not set
CONFIG_CRYPTO_GF128MUL=y
CONFIG_CRYPTO_NULL=y
CONFIG_CRYPTO_PCRYPT=y
CONFIG_CRYPTO_WORKQUEUE=y
CONFIG_CRYPTO_CRYPTD=y
CONFIG_CRYPTO_AUTHENC=y
CONFIG_CRYPTO_TEST=m
#
# Authenticated Encryption with Associated Data
#
CONFIG_CRYPTO_CCM=y
CONFIG_CRYPTO_GCM=y
CONFIG_CRYPTO_SEQIV=y
#
# Block modes
#
CONFIG_CRYPTO_CBC=y
CONFIG_CRYPTO_CTR=y
CONFIG_CRYPTO_CTS=y
CONFIG_CRYPTO_ECB=y
CONFIG_CRYPTO_LRW=y
CONFIG_CRYPTO_PCBC=y
CONFIG_CRYPTO_XTS=y
#
# Hash modes
#
CONFIG_CRYPTO_HMAC=y
CONFIG_CRYPTO_XCBC=y
CONFIG_CRYPTO_VMAC=y
#
# Digest
#
CONFIG_CRYPTO_CRC32C=y
CONFIG_CRYPTO_CRC32C_INTEL=y
CONFIG_CRYPTO_GHASH=y
CONFIG_CRYPTO_MD4=y
CONFIG_CRYPTO_MD5=y
CONFIG_CRYPTO_MICHAEL_MIC=y
CONFIG_CRYPTO_RMD128=y
CONFIG_CRYPTO_RMD160=y
CONFIG_CRYPTO_RMD256=y
CONFIG_CRYPTO_RMD320=y
CONFIG_CRYPTO_SHA1=y
CONFIG_CRYPTO_SHA1_SSSE3=y
CONFIG_CRYPTO_SHA256=y
CONFIG_CRYPTO_SHA512=y
CONFIG_CRYPTO_TGR192=y
CONFIG_CRYPTO_WP512=y
CONFIG_CRYPTO_GHASH_CLMUL_NI_INTEL=y
#
# Ciphers
#
CONFIG_CRYPTO_AES=y
CONFIG_CRYPTO_AES_X86_64=y
CONFIG_CRYPTO_AES_NI_INTEL=y
CONFIG_CRYPTO_ANUBIS=y
CONFIG_CRYPTO_ARC4=y
CONFIG_CRYPTO_BLOWFISH=y
CONFIG_CRYPTO_BLOWFISH_COMMON=y
CONFIG_CRYPTO_BLOWFISH_X86_64=y
CONFIG_CRYPTO_CAMELLIA=y
# CONFIG_CRYPTO_CAMELLIA_X86_64 is not set
CONFIG_CRYPTO_CAST5=y
CONFIG_CRYPTO_CAST6=y
CONFIG_CRYPTO_DES=y
CONFIG_CRYPTO_FCRYPT=y
CONFIG_CRYPTO_KHAZAD=y
CONFIG_CRYPTO_SALSA20=y
CONFIG_CRYPTO_SALSA20_X86_64=y
CONFIG_CRYPTO_SEED=y
CONFIG_CRYPTO_SERPENT=y
# CONFIG_CRYPTO_SERPENT_SSE2_X86_64 is not set
CONFIG_CRYPTO_TEA=y
CONFIG_CRYPTO_TWOFISH=y
CONFIG_CRYPTO_TWOFISH_COMMON=y
CONFIG_CRYPTO_TWOFISH_X86_64=y
CONFIG_CRYPTO_TWOFISH_X86_64_3WAY=y
#
# Compression
#
CONFIG_CRYPTO_DEFLATE=y
CONFIG_CRYPTO_ZLIB=y
CONFIG_CRYPTO_LZO=y
#
# Random Number Generation
#
CONFIG_CRYPTO_ANSI_CPRNG=y
CONFIG_CRYPTO_USER_API=y
CONFIG_CRYPTO_USER_API_HASH=y
CONFIG_CRYPTO_USER_API_SKCIPHER=y
CONFIG_CRYPTO_HW=y
CONFIG_CRYPTO_DEV_PADLOCK=y
CONFIG_CRYPTO_DEV_PADLOCK_AES=y
CONFIG_CRYPTO_DEV_PADLOCK_SHA=y
CONFIG_HAVE_KVM=y
CONFIG_HAVE_KVM_IRQCHIP=y
CONFIG_HAVE_KVM_EVENTFD=y
CONFIG_KVM_APIC_ARCHITECTURE=y
CONFIG_KVM_MMIO=y
CONFIG_KVM_ASYNC_PF=y
CONFIG_VIRTUALIZATION=y
CONFIG_KVM=y
CONFIG_KVM_INTEL=y
CONFIG_KVM_AMD=y
# CONFIG_KVM_MMU_AUDIT is not set
CONFIG_VHOST_NET=y
CONFIG_BINARY_PRINTF=y
#
# Library routines
#
CONFIG_RAID6_PQ=y
CONFIG_BITREVERSE=y
CONFIG_GENERIC_FIND_FIRST_BIT=y
CONFIG_GENERIC_PCI_IOMAP=y
CONFIG_GENERIC_IOMAP=y
CONFIG_GENERIC_IO=y
CONFIG_CRC_CCITT=y
CONFIG_CRC16=y
CONFIG_CRC_T10DIF=y
CONFIG_CRC_ITU_T=y
CONFIG_CRC32=y
# CONFIG_CRC32_SELFTEST is not set
CONFIG_CRC32_SLICEBY8=y
# CONFIG_CRC32_SLICEBY4 is not set
# CONFIG_CRC32_SARWATE is not set
# CONFIG_CRC32_BIT is not set
CONFIG_CRC7=y
CONFIG_LIBCRC32C=y
CONFIG_CRC8=y
CONFIG_ZLIB_INFLATE=y
CONFIG_ZLIB_DEFLATE=y
CONFIG_LZO_COMPRESS=y
CONFIG_LZO_DECOMPRESS=y
CONFIG_XZ_DEC=y
CONFIG_XZ_DEC_X86=y
CONFIG_XZ_DEC_POWERPC=y
CONFIG_XZ_DEC_IA64=y
CONFIG_XZ_DEC_ARM=y
CONFIG_XZ_DEC_ARMTHUMB=y
CONFIG_XZ_DEC_SPARC=y
CONFIG_XZ_DEC_BCJ=y
# CONFIG_XZ_DEC_TEST is not set
CONFIG_DECOMPRESS_GZIP=y
CONFIG_DECOMPRESS_BZIP2=y
CONFIG_DECOMPRESS_LZMA=y
CONFIG_DECOMPRESS_XZ=y
CONFIG_DECOMPRESS_LZO=y
CONFIG_GENERIC_ALLOCATOR=y
CONFIG_REED_SOLOMON=y
CONFIG_REED_SOLOMON_DEC16=y
CONFIG_TEXTSEARCH=y
CONFIG_TEXTSEARCH_KMP=y
CONFIG_TEXTSEARCH_BM=y
CONFIG_TEXTSEARCH_FSM=y
CONFIG_BTREE=y
CONFIG_HAS_IOMEM=y
CONFIG_HAS_IOPORT=y
CONFIG_HAS_DMA=y
CONFIG_CHECK_SIGNATURE=y
# CONFIG_CPUMASK_OFFSTACK is not set
CONFIG_CPU_RMAP=y
CONFIG_DQL=y
CONFIG_NLATTR=y
CONFIG_LRU_CACHE=y
CONFIG_AVERAGE=y
CONFIG_CORDIC=y
[-- Attachment #4: Type: text/plain, Size: 183 bytes --]
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^ permalink raw reply related
* drivers/block/cpqarray.c:938:2: error: too many arguments to function ‘blk_rq_map_sg’
From: wfg @ 2012-06-13 23:03 UTC (permalink / raw)
To: Jens Axboe; +Cc: linux-raid, linux-scsi, virtualization
[-- Attachment #1: Type: text/plain, Size: 10867 bytes --]
FYI, kernel build failed on
tree: git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git multiqueue
head: e9a6aa8a0b7b93195774a9fcf551632bf3abcd97
commit: 67db7275fa4325d46853a4bfcb79acf32e48eca8 [1/3] multiqueue: a hodge podge of things
config: i386-allmodconfig (attached as .config)
All related error/warning messages are:
block/blk-core.c: In function ‘attempt_plug_merge’:
block/blk-core.c:1253:9: error: ‘struct request’ has no member named ‘q’
drivers/block/cpqarray.c:938:2: warning: passing argument 1 of ‘blk_rq_map_sg’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:845:12: note: expected ‘struct request *’ but argument is of type ‘struct request_queue *’
drivers/block/cpqarray.c:938:2: warning: passing argument 2 of ‘blk_rq_map_sg’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:845:12: note: expected ‘struct scatterlist *’ but argument is of type ‘struct request *’
drivers/block/cpqarray.c:938:2: error: too many arguments to function ‘blk_rq_map_sg’
include/linux/blkdev.h:845:12: note: declared here
drivers/block/cciss.c:3339:2: warning: passing argument 1 of ‘blk_rq_map_sg’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:845:12: note: expected ‘struct request *’ but argument is of type ‘struct request_queue *’
drivers/block/cciss.c:3339:2: warning: passing argument 2 of ‘blk_rq_map_sg’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:845:12: note: expected ‘struct scatterlist *’ but argument is of type ‘struct request *’
drivers/block/cciss.c:3339:2: error: too many arguments to function ‘blk_rq_map_sg’
include/linux/blkdev.h:845:12: note: declared here
drivers/block/DAC960.c:3355:5: warning: passing argument 1 of ‘blk_rq_map_sg’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:845:12: note: expected ‘struct request *’ but argument is of type ‘struct request_queue *’
drivers/block/DAC960.c:3355:5: warning: passing argument 2 of ‘blk_rq_map_sg’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:845:12: note: expected ‘struct scatterlist *’ but argument is of type ‘struct request *’
drivers/block/DAC960.c:3355:5: error: too many arguments to function ‘blk_rq_map_sg’
include/linux/blkdev.h:845:12: note: declared here
drivers/block/DAC960.c:3433:3: warning: passing argument 1 of ‘blk_rq_map_sg’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:845:12: note: expected ‘struct request *’ but argument is of type ‘struct request_queue *’
drivers/block/DAC960.c:3433:3: warning: passing argument 2 of ‘blk_rq_map_sg’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:845:12: note: expected ‘struct scatterlist *’ but argument is of type ‘struct request *’
drivers/block/DAC960.c:3433:3: error: too many arguments to function ‘blk_rq_map_sg’
include/linux/blkdev.h:845:12: note: declared here
drivers/block/sx8.c:873:2: warning: passing argument 1 of ‘blk_rq_map_sg’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:845:12: note: expected ‘struct request *’ but argument is of type ‘struct request_queue *’
drivers/block/sx8.c:873:2: warning: passing argument 2 of ‘blk_rq_map_sg’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:845:12: note: expected ‘struct scatterlist *’ but argument is of type ‘struct request *’
drivers/block/sx8.c:873:2: error: too many arguments to function ‘blk_rq_map_sg’
include/linux/blkdev.h:845:12: note: declared here
drivers/block/ub.c:638:2: warning: passing argument 1 of ‘blk_rq_map_sg’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:845:12: note: expected ‘struct request *’ but argument is of type ‘struct request_queue *’
drivers/block/ub.c:638:2: warning: passing argument 2 of ‘blk_rq_map_sg’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:845:12: note: expected ‘struct scatterlist *’ but argument is of type ‘struct request *’
drivers/block/ub.c:638:2: error: too many arguments to function ‘blk_rq_map_sg’
include/linux/blkdev.h:845:12: note: declared here
drivers/ide/ide-io.c:229:2: warning: passing argument 1 of ‘blk_rq_map_sg’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:845:12: note: expected ‘struct request *’ but argument is of type ‘struct request_queue *’
drivers/ide/ide-io.c:229:2: warning: passing argument 2 of ‘blk_rq_map_sg’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:845:12: note: expected ‘struct scatterlist *’ but argument is of type ‘struct request *’
drivers/ide/ide-io.c:229:2: error: too many arguments to function ‘blk_rq_map_sg’
include/linux/blkdev.h:845:12: note: declared here
drivers/ide/ide-probe.c:762:2: error: too few arguments to function ‘blk_init_queue_node’
include/linux/blkdev.h:794:30: note: declared here
drivers/ide/ide-park.c:55:2: warning: passing argument 1 of ‘elv_add_request’ from incompatible pointer type [enabled by default]
include/linux/elevator.h:115:13: note: expected ‘struct request *’ but argument is of type ‘struct request_queue *’
drivers/ide/ide-park.c:55:2: warning: passing argument 2 of ‘elv_add_request’ makes integer from pointer without a cast [enabled by default]
include/linux/elevator.h:115:13: note: expected ‘int’ but argument is of type ‘struct request *’
drivers/ide/ide-park.c:55:2: error: too many arguments to function ‘elv_add_request’
include/linux/elevator.h:115:13: note: declared here
drivers/ide/ide-atapi.c:237:2: warning: passing argument 1 of ‘elv_add_request’ from incompatible pointer type [enabled by default]
include/linux/elevator.h:115:13: note: expected ‘struct request *’ but argument is of type ‘struct request_queue *’
drivers/ide/ide-atapi.c:237:2: warning: passing argument 2 of ‘elv_add_request’ makes integer from pointer without a cast [enabled by default]
include/linux/elevator.h:115:13: note: expected ‘int’ but argument is of type ‘struct request *’
drivers/ide/ide-atapi.c:237:2: error: too many arguments to function ‘elv_add_request’
include/linux/elevator.h:115:13: note: declared here
drivers/memstick/core/mspro_block.c:711:13: warning: passing argument 2 of ‘blk_rq_map_sg’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:845:12: note: expected ‘struct scatterlist *’ but argument is of type ‘struct request *’
drivers/memstick/core/mspro_block.c:711:13: error: too many arguments to function ‘blk_rq_map_sg’
include/linux/blkdev.h:845:12: note: declared here
drivers/mmc/card/queue.c:391:3: warning: passing argument 1 of ‘blk_rq_map_sg’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:845:12: note: expected ‘struct request *’ but argument is of type ‘struct request_queue *’
drivers/mmc/card/queue.c:391:3: warning: passing argument 2 of ‘blk_rq_map_sg’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:845:12: note: expected ‘struct scatterlist *’ but argument is of type ‘struct request *’
drivers/mmc/card/queue.c:391:3: error: too many arguments to function ‘blk_rq_map_sg’
include/linux/blkdev.h:845:12: note: declared here
drivers/mmc/card/queue.c:395:2: warning: passing argument 1 of ‘blk_rq_map_sg’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:845:12: note: expected ‘struct request *’ but argument is of type ‘struct request_queue *’
drivers/mmc/card/queue.c:395:2: warning: passing argument 2 of ‘blk_rq_map_sg’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:845:12: note: expected ‘struct scatterlist *’ but argument is of type ‘struct request *’
drivers/mmc/card/queue.c:395:2: error: too many arguments to function ‘blk_rq_map_sg’
include/linux/blkdev.h:845:12: note: declared here
drivers/message/i2o/i2o_block.c:324:2: warning: passing argument 2 of ‘blk_rq_map_sg’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:845:12: note: expected ‘struct scatterlist *’ but argument is of type ‘struct request *’
drivers/message/i2o/i2o_block.c:324:2: error: too many arguments to function ‘blk_rq_map_sg’
include/linux/blkdev.h:845:12: note: declared here
drivers/target/target_core_pscsi.c:1224:2: error: too many arguments to function ‘__blk_put_request’
include/linux/blkdev.h:645:13: note: declared here
drivers/scsi/device_handler/scsi_dh_hp_sw.c:230:2: error: too many arguments to function ‘__blk_put_request’
include/linux/blkdev.h:645:13: note: declared here
drivers/scsi/device_handler/scsi_dh_alua.c:255:2: error: too many arguments to function ‘__blk_put_request’
include/linux/blkdev.h:645:13: note: declared here
drivers/scsi/osd/osd_initiator.c:501:3: error: too many arguments to function ‘__blk_put_request’
include/linux/blkdev.h:645:13: note: declared here
drivers/scsi/osd/osd_initiator.c:505:2: error: too many arguments to function ‘__blk_put_request’
include/linux/blkdev.h:645:13: note: declared here
drivers/scsi/scsi_tgt_lib.c:155:2: warning: passing argument 1 of ‘__blk_put_request’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:645:13: note: expected ‘struct request *’ but argument is of type ‘struct request_queue *’
drivers/scsi/scsi_tgt_lib.c:155:2: error: too many arguments to function ‘__blk_put_request’
include/linux/blkdev.h:645:13: note: declared here
drivers/scsi/scsi_transport_fc.c: In function ‘fc_bsg_map_buffer’:
drivers/scsi/scsi_transport_fc.c:3674:2: warning: passing argument 1 of ‘blk_rq_map_sg’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:845:12: note: expected ‘struct request *’ but argument is of type ‘struct request_queue *’
drivers/scsi/scsi_transport_fc.c:3674:2: warning: passing argument 2 of ‘blk_rq_map_sg’ from incompatible pointer type [enabled by default]
include/linux/blkdev.h:845:12: note: expected ‘struct scatterlist *’ but argument is of type ‘struct request *’
drivers/scsi/scsi_transport_fc.c:3674:2: error: too many arguments to function ‘blk_rq_map_sg’
include/linux/blkdev.h:845:12: note: declared here
drivers/scsi/scsi_transport_fc.c: In function ‘fc_bsg_remove’:
---
0-DAY kernel build testing backend Open Source Technology Centre
Fengguang Wu <wfg@linux.intel.com> Intel Corporation
[-- Attachment #2: 0001-multiqueue-a-hodge-podge-of-things.patch --]
[-- Type: text/x-diff, Size: 128104 bytes --]
From 67db7275fa4325d46853a4bfcb79acf32e48eca8 Mon Sep 17 00:00:00 2001
From: Jens Axboe <axboe@kernel.dk>
Date: Fri, 20 Apr 2012 09:08:11 +0200
Subject: [PATCH] multiqueue: a hodge podge of things
Not really interesting yet, this just gets us to the state where
single queue boots on a current kernel.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
block/Kconfig | 5 +
block/Kconfig.iosched | 2 +
block/blk-core.c | 427 ++++++++++++++++++--------------------
block/blk-exec.c | 14 +-
block/blk-flush.c | 13 +-
block/blk-map.c | 2 +-
block/blk-merge.c | 61 +++---
block/blk-settings.c | 1 -
block/blk-softirq.c | 10 +-
block/blk-sysfs.c | 18 +-
block/blk-tag.c | 2 +-
block/blk-timeout.c | 45 ++--
block/blk.h | 22 +-
block/bsg-lib.c | 8 +-
block/elevator.c | 290 ++++++++++++++++----------
block/noop-iosched.c | 78 +++++--
drivers/block/nbd.c | 3 +-
drivers/block/virtio_blk.c | 2 +-
drivers/md/dm.c | 11 +-
drivers/scsi/scsi_error.c | 5 +-
drivers/scsi/scsi_lib.c | 11 +-
drivers/scsi/scsi_transport_fc.c | 3 +-
include/linux/blk-mq.h | 97 +++++++++
include/linux/blkdev.h | 44 +---
include/linux/elevator.h | 58 +++---
include/scsi/scsi_device.h | 1 +
26 files changed, 715 insertions(+), 518 deletions(-)
create mode 100644 include/linux/blk-mq.h
diff --git a/block/Kconfig b/block/Kconfig
index 09acf1b..7f6ca35 100644
--- a/block/Kconfig
+++ b/block/Kconfig
@@ -17,18 +17,23 @@ menuconfig BLOCK
Also, SCSI character devices and USB storage will be disabled since
they make use of various block layer definitions and facilities.
Say Y here unless you know you really don't want to mount disks and
suchlike.
if BLOCK
+config MQ
+ bool "Multiqueue support"
+ help
+ Help catch build/code dependencies
+
config LBDAF
bool "Support for large (2TB+) block devices and files"
depends on !64BIT
default y
help
Enable block devices or files of size 2TB and larger.
This option is required to support the full capacity of large
(2TB+) block devices, including RAID, disk, Network Block Device,
diff --git a/block/Kconfig.iosched b/block/Kconfig.iosched
index 3199b76..283945f 100644
--- a/block/Kconfig.iosched
+++ b/block/Kconfig.iosched
@@ -8,29 +8,31 @@ config IOSCHED_NOOP
---help---
The no-op I/O scheduler is a minimal scheduler that does basic merging
and sorting. Its main uses include non-disk based block devices like
memory devices, and specialised software or hardware environments
that do their own scheduling and require only minimal assistance from
the kernel.
config IOSCHED_DEADLINE
tristate "Deadline I/O scheduler"
+ depends on BLK_MQ=n
default y
---help---
The deadline I/O scheduler is simple and compact. It will provide
CSCAN service with FIFO expiration of requests, switching to
a new point in the service tree and doing a batch of IO from there
in case of expiry.
config IOSCHED_CFQ
tristate "CFQ I/O scheduler"
# If BLK_CGROUP is a module, CFQ has to be built as module.
depends on (BLK_CGROUP=m && m) || !BLK_CGROUP || BLK_CGROUP=y
+ depends on BLK_MQ=n
default y
---help---
The CFQ I/O scheduler tries to distribute bandwidth equally
among all processes in the system. It should provide a fair
and low latency working environment, suitable for both desktop
and server systems.
This is the default I/O scheduler.
diff --git a/block/blk-core.c b/block/blk-core.c
index 1f61b74..e136698 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -121,26 +121,26 @@ struct backing_dev_info *blk_get_backing_dev_info(struct block_device *bdev)
struct backing_dev_info *ret = NULL;
struct request_queue *q = bdev_get_queue(bdev);
if (q)
ret = &q->backing_dev_info;
return ret;
}
EXPORT_SYMBOL(blk_get_backing_dev_info);
-void blk_rq_init(struct request_queue *q, struct request *rq)
+void blk_rq_init(struct blk_queue_ctx *ctx, struct request *rq)
{
memset(rq, 0, sizeof(*rq));
INIT_LIST_HEAD(&rq->queuelist);
INIT_LIST_HEAD(&rq->timeout_list);
rq->cpu = -1;
- rq->q = q;
+ rq->queue_ctx = ctx;
rq->__sector = (sector_t) -1;
INIT_HLIST_NODE(&rq->hash);
RB_CLEAR_NODE(&rq->rb_node);
rq->cmd = rq->__cmd;
rq->cmd_len = BLK_MAX_CDB;
rq->tag = -1;
rq->ref_count = 1;
rq->start_time = jiffies;
set_start_time_ns(rq);
@@ -294,18 +294,20 @@ EXPORT_SYMBOL(blk_sync_queue);
* __blk_run_queue - run a single device queue
* @q: The queue to run
*
* Description:
* See @blk_run_queue. This variant must be called with the queue lock
* held and interrupts disabled.
*/
void __blk_run_queue(struct request_queue *q)
{
+ lockdep_assert_held(q->queue_lock);
+
if (unlikely(blk_queue_stopped(q)))
return;
q->request_fn(q);
}
EXPORT_SYMBOL(__blk_run_queue);
/**
* blk_run_queue_async - run a single device queue in workqueue context
@@ -372,30 +374,30 @@ void blk_drain_queue(struct request_queue *q, bool drain_all)
/*
* This function might be called on a queue which failed
* driver init after queue creation. Some drivers
* (e.g. fd) get unhappy in such cases. Kick queue iff
* dispatch queue has something on it.
*/
if (!list_empty(&q->queue_head))
__blk_run_queue(q);
- drain |= q->rq.elvpriv;
+ drain |= queue_elvpriv(q);
/*
* Unfortunately, requests are queued at and tracked from
* multiple places and there's no single counter which can
* be drained. Check all the queues and counters.
*/
if (drain_all) {
drain |= !list_empty(&q->queue_head);
for (i = 0; i < 2; i++) {
- drain |= q->rq.count[i];
- drain |= q->in_flight[i];
+ drain |= queue_rq_queued(q);
+ drain |= queue_in_flight(q);
drain |= !list_empty(&q->flush_queue[i]);
}
}
spin_unlock_irq(q->queue_lock);
if (!drain)
break;
msleep(10);
@@ -439,56 +441,78 @@ void blk_cleanup_queue(struct request_queue *q)
/* @q won't process any more request, flush async actions */
del_timer_sync(&q->backing_dev_info.laptop_mode_wb_timer);
blk_sync_queue(q);
/* @q is and will stay empty, shutdown and put */
blk_put_queue(q);
}
EXPORT_SYMBOL(blk_cleanup_queue);
-static int blk_init_free_list(struct request_queue *q)
+static int blk_init_queue_ctx(struct request_queue *q, unsigned int nr_queues)
{
- struct request_list *rl = &q->rq;
+ struct blk_queue_ctx *ctx;
+ unsigned int i;
- if (unlikely(rl->rq_pool))
- return 0;
+ q->nr_queues = nr_queues;
+ queue_for_each_ctx(q, ctx, i) {
+ struct request_list *rl = &ctx->rl;
- rl->count[BLK_RW_SYNC] = rl->count[BLK_RW_ASYNC] = 0;
- rl->starved[BLK_RW_SYNC] = rl->starved[BLK_RW_ASYNC] = 0;
- rl->elvpriv = 0;
- init_waitqueue_head(&rl->wait[BLK_RW_SYNC]);
- init_waitqueue_head(&rl->wait[BLK_RW_ASYNC]);
+ memset(ctx, 0, sizeof(*ctx));
+ spin_lock_init(&ctx->lock);
+ ctx->queue = q;
+ init_waitqueue_head(&rl->wait[BLK_RW_SYNC]);
+ init_waitqueue_head(&rl->wait[BLK_RW_ASYNC]);
+ INIT_LIST_HEAD(&ctx->timeout_list);
+ }
- rl->rq_pool = mempool_create_node(BLKDEV_MIN_RQ, mempool_alloc_slab,
- mempool_free_slab, request_cachep, q->node);
+ return 0;
+}
+
+static int blk_init_free_list(struct request_queue *q)
+{
+ if (unlikely(q->rq_pool))
+ return 0;
- if (!rl->rq_pool)
+ q->rq_pool = mempool_create_node(BLKDEV_MIN_RQ, mempool_alloc_slab,
+ mempool_free_slab, request_cachep, q->node);
+ if (!q->rq_pool)
return -ENOMEM;
return 0;
}
struct request_queue *blk_alloc_queue(gfp_t gfp_mask)
{
- return blk_alloc_queue_node(gfp_mask, -1);
+ return blk_alloc_queue_node(gfp_mask, -1, 1);
}
EXPORT_SYMBOL(blk_alloc_queue);
-struct request_queue *blk_alloc_queue_node(gfp_t gfp_mask, int node_id)
+
+struct request_queue *blk_alloc_queue_node(gfp_t gfp_mask, int node_id,
+ unsigned int nr_queues)
{
struct request_queue *q;
int err;
q = kmem_cache_alloc_node(blk_requestq_cachep,
gfp_mask | __GFP_ZERO, node_id);
if (!q)
return NULL;
+ q->queue_ctx = kmalloc_node(nr_queues * sizeof(struct blk_queue_ctx),
+ GFP_KERNEL, node_id);
+ if (!q->queue_ctx) {
+ kmem_cache_free(blk_requestq_cachep, q);
+ return NULL;
+ }
+
+ blk_init_queue_ctx(q, nr_queues);
+
q->id = ida_simple_get(&blk_queue_ida, 0, 0, gfp_mask);
if (q->id < 0)
goto fail_q;
q->backing_dev_info.ra_pages =
(VM_MAX_READAHEAD * 1024) / PAGE_CACHE_SIZE;
q->backing_dev_info.state = 0;
q->backing_dev_info.capabilities = BDI_CAP_MAP_COPY;
q->backing_dev_info.name = "block";
@@ -498,19 +522,18 @@ struct request_queue *blk_alloc_queue_node(gfp_t gfp_mask, int node_id)
if (err)
goto fail_id;
if (blk_throtl_init(q))
goto fail_id;
setup_timer(&q->backing_dev_info.laptop_mode_wb_timer,
laptop_mode_timer_fn, (unsigned long) q);
setup_timer(&q->timeout, blk_rq_timed_out_timer, (unsigned long) q);
- INIT_LIST_HEAD(&q->timeout_list);
INIT_LIST_HEAD(&q->icq_list);
INIT_LIST_HEAD(&q->flush_queue[0]);
INIT_LIST_HEAD(&q->flush_queue[1]);
INIT_LIST_HEAD(&q->flush_data_in_flight);
INIT_DELAYED_WORK(&q->delay_work, blk_delay_work);
kobject_init(&q->kobj, &blk_queue_ktype);
mutex_init(&q->sysfs_lock);
@@ -521,18 +544,19 @@ struct request_queue *blk_alloc_queue_node(gfp_t gfp_mask, int node_id)
* override it later if need be.
*/
q->queue_lock = &q->__queue_lock;
return q;
fail_id:
ida_simple_remove(&blk_queue_ida, q->id);
fail_q:
+ kfree(q->queue_ctx);
kmem_cache_free(blk_requestq_cachep, q);
return NULL;
}
EXPORT_SYMBOL(blk_alloc_queue_node);
/**
* blk_init_queue - prepare a request queue for use with a block device
* @rfn: The function to be called to process requests that have been
* placed on the queue.
@@ -561,28 +585,36 @@ EXPORT_SYMBOL(blk_alloc_queue_node);
* it didn't succeed.
*
* Note:
* blk_init_queue() must be paired with a blk_cleanup_queue() call
* when the block device is deactivated (such as at module unload).
**/
struct request_queue *blk_init_queue(request_fn_proc *rfn, spinlock_t *lock)
{
- return blk_init_queue_node(rfn, lock, -1);
+ return blk_init_queue_node(rfn, lock, -1, 1);
}
EXPORT_SYMBOL(blk_init_queue);
+struct request_queue *blk_init_queue_mq(request_fn_proc *rfn, spinlock_t *lock,
+ unsigned int nr_queues)
+{
+ return blk_init_queue_node(rfn, lock, -1, nr_queues);
+}
+EXPORT_SYMBOL(blk_init_queue_mq);
+
struct request_queue *
-blk_init_queue_node(request_fn_proc *rfn, spinlock_t *lock, int node_id)
+blk_init_queue_node(request_fn_proc *rfn, spinlock_t *lock, int node_id,
+ unsigned int nr_queues)
{
struct request_queue *uninit_q, *q;
- uninit_q = blk_alloc_queue_node(GFP_KERNEL, node_id);
+ uninit_q = blk_alloc_queue_node(GFP_KERNEL, node_id, nr_queues);
if (!uninit_q)
return NULL;
q = blk_init_allocated_queue(uninit_q, rfn, lock);
if (!q)
blk_cleanup_queue(uninit_q);
return q;
}
@@ -631,122 +663,94 @@ bool blk_get_queue(struct request_queue *q)
if (likely(!blk_queue_dead(q))) {
__blk_get_queue(q);
return true;
}
return false;
}
EXPORT_SYMBOL(blk_get_queue);
-static inline void blk_free_request(struct request_queue *q, struct request *rq)
+static inline void blk_free_request(struct blk_queue_ctx *ctx,
+ struct request *rq)
{
+ struct request_queue *q = ctx->queue;
+
if (rq->cmd_flags & REQ_ELVPRIV) {
- elv_put_request(q, rq);
+ elv_put_request(ctx, rq);
if (rq->elv.icq)
put_io_context(rq->elv.icq->ioc);
}
- mempool_free(rq, q->rq.rq_pool);
+ mempool_free(rq, q->rq_pool);
}
static struct request *
-blk_alloc_request(struct request_queue *q, struct io_cq *icq,
+blk_alloc_request(struct blk_queue_ctx *ctx, struct io_cq *icq,
unsigned int flags, gfp_t gfp_mask)
{
- struct request *rq = mempool_alloc(q->rq.rq_pool, gfp_mask);
+ struct request_queue *q = ctx->queue;
+ struct request *rq;
+ rq = mempool_alloc(q->rq_pool, gfp_mask);
if (!rq)
return NULL;
- blk_rq_init(q, rq);
+ blk_rq_init(ctx, rq);
rq->cmd_flags = flags | REQ_ALLOCED;
if (flags & REQ_ELVPRIV) {
rq->elv.icq = icq;
- if (unlikely(elv_set_request(q, rq, gfp_mask))) {
- mempool_free(rq, q->rq.rq_pool);
+ if (unlikely(elv_set_request(ctx, rq, gfp_mask))) {
+ mempool_free(rq, q->rq_pool);
return NULL;
}
/* @rq->elv.icq holds on to io_context until @rq is freed */
if (icq)
get_io_context(icq->ioc);
}
return rq;
}
-/*
- * ioc_batching returns true if the ioc is a valid batching request and
- * should be given priority access to a request.
- */
-static inline int ioc_batching(struct request_queue *q, struct io_context *ioc)
+static void __freed_request(struct blk_queue_ctx *ctx, int sync)
{
- if (!ioc)
- return 0;
-
- /*
- * Make sure the process is able to allocate at least 1 request
- * even if the batch times out, otherwise we could theoretically
- * lose wakeups.
- */
- return ioc->nr_batch_requests == q->nr_batching ||
- (ioc->nr_batch_requests > 0
- && time_before(jiffies, ioc->last_waited + BLK_BATCH_TIME));
-}
-
-/*
- * ioc_set_batching sets ioc to be a new "batcher" if it is not one. This
- * will cause the process to be a "batcher" on all queues in the system. This
- * is the behaviour we want though - once it gets a wakeup it should be given
- * a nice run.
- */
-static void ioc_set_batching(struct request_queue *q, struct io_context *ioc)
-{
- if (!ioc || ioc_batching(q, ioc))
- return;
-
- ioc->nr_batch_requests = q->nr_batching;
- ioc->last_waited = jiffies;
-}
-
-static void __freed_request(struct request_queue *q, int sync)
-{
- struct request_list *rl = &q->rq;
+ struct request_queue *q = ctx->queue;
+ struct request_list *rl = &ctx->rl;
if (rl->count[sync] < queue_congestion_off_threshold(q))
blk_clear_queue_congested(q, sync);
if (rl->count[sync] + 1 <= q->nr_requests) {
if (waitqueue_active(&rl->wait[sync]))
wake_up(&rl->wait[sync]);
blk_clear_queue_full(q, sync);
}
}
/*
* A request has just been released. Account for it, update the full and
- * congestion status, wake up any waiters. Called under q->queue_lock.
+ * congestion status, wake up any waiters. Called under ctx->lock.
*/
-static void freed_request(struct request_queue *q, unsigned int flags)
+static void freed_request(struct blk_queue_ctx *ctx, unsigned int flags)
{
- struct request_list *rl = &q->rq;
+ struct request_list *rl = &ctx->rl;
int sync = rw_is_sync(flags);
rl->count[sync]--;
if (flags & REQ_ELVPRIV)
rl->elvpriv--;
- __freed_request(q, sync);
+ __freed_request(ctx, sync);
if (unlikely(rl->starved[sync ^ 1]))
- __freed_request(q, sync ^ 1);
+ __freed_request(ctx, sync ^ 1);
}
/*
* Determine if elevator data should be initialized when allocating the
* request associated with @bio.
*/
static bool blk_rq_should_init_elevator(struct bio *bio)
{
if (!bio)
@@ -766,82 +770,49 @@ static bool blk_rq_should_init_elevator(struct bio *bio)
* get_request - get a free request
* @q: request_queue to allocate request from
* @rw_flags: RW and SYNC flags
* @bio: bio to allocate request for (can be %NULL)
* @gfp_mask: allocation mask
*
* Get a free request from @q. This function may fail under memory
* pressure or if @q is dead.
*
- * Must be callled with @q->queue_lock held and,
- * Returns %NULL on failure, with @q->queue_lock held.
- * Returns !%NULL on success, with @q->queue_lock *not held*.
+ * Must be callled with @ctx->lock held.
*/
-static struct request *get_request(struct request_queue *q, int rw_flags,
+static struct request *get_request(struct blk_queue_ctx *ctx, int rw_flags,
struct bio *bio, gfp_t gfp_mask)
{
+ struct request_queue *q = ctx->queue;
+ struct request_list *rl = &ctx->rl;
struct request *rq = NULL;
- struct request_list *rl = &q->rq;
struct elevator_type *et;
- struct io_context *ioc;
struct io_cq *icq = NULL;
const bool is_sync = rw_is_sync(rw_flags) != 0;
- bool retried = false;
+ const bool drop_lock = (gfp_mask & __GFP_WAIT) != 0;
+ struct io_context *ioc;
int may_queue;
-retry:
+
et = q->elevator->type;
ioc = current->io_context;
if (unlikely(blk_queue_dead(q)))
return NULL;
may_queue = elv_may_queue(q, rw_flags);
if (may_queue == ELV_MQUEUE_NO)
goto rq_starved;
if (rl->count[is_sync]+1 >= queue_congestion_on_threshold(q)) {
- if (rl->count[is_sync]+1 >= q->nr_requests) {
- /*
- * We want ioc to record batching state. If it's
- * not already there, creating a new one requires
- * dropping queue_lock, which in turn requires
- * retesting conditions to avoid queue hang.
- */
- if (!ioc && !retried) {
- spin_unlock_irq(q->queue_lock);
- create_io_context(current, gfp_mask, q->node);
- spin_lock_irq(q->queue_lock);
- retried = true;
- goto retry;
- }
-
- /*
- * The queue will fill after this allocation, so set
- * it as full, and mark this process as "batching".
- * This process will be allowed to complete a batch of
- * requests, others will be blocked.
- */
- if (!blk_queue_full(q, is_sync)) {
- ioc_set_batching(q, ioc);
- blk_set_queue_full(q, is_sync);
- } else {
- if (may_queue != ELV_MQUEUE_MUST
- && !ioc_batching(q, ioc)) {
- /*
- * The queue is full and the allocating
- * process is not a "batcher", and not
- * exempted by the IO scheduler
- */
- goto out;
- }
- }
- }
blk_set_queue_congested(q, is_sync);
+
+ if (rl->count[is_sync]+1 >= q->nr_requests)
+ if (may_queue != ELV_MQUEUE_MUST)
+ goto out;
}
/*
* Only allow batching queuers to allocate up to 50% over the defined
* limit of requests, otherwise we could have thousands of requests
* allocated with any setting of ->nr_requests
*/
if (rl->count[is_sync] >= (3 * q->nr_requests / 2))
goto out;
@@ -863,137 +834,132 @@ retry:
!test_bit(QUEUE_FLAG_ELVSWITCH, &q->queue_flags)) {
rw_flags |= REQ_ELVPRIV;
rl->elvpriv++;
if (et->icq_cache && ioc)
icq = ioc_lookup_icq(ioc, q);
}
if (blk_queue_io_stat(q))
rw_flags |= REQ_IO_STAT;
- spin_unlock_irq(q->queue_lock);
+
+ if (drop_lock)
+ spin_unlock_irq(&ctx->lock);
/* create icq if missing */
if ((rw_flags & REQ_ELVPRIV) && unlikely(et->icq_cache && !icq)) {
icq = ioc_create_icq(q, gfp_mask);
if (!icq)
goto fail_icq;
}
- rq = blk_alloc_request(q, icq, rw_flags, gfp_mask);
-
+ rq = blk_alloc_request(ctx, icq, rw_flags, gfp_mask);
fail_icq:
if (unlikely(!rq)) {
/*
* Allocation failed presumably due to memory. Undo anything
* we might have messed up.
*
* Allocating task should really be put onto the front of the
* wait queue, but this is pretty rare.
*/
- spin_lock_irq(q->queue_lock);
- freed_request(q, rw_flags);
+ if (drop_lock)
+ spin_lock_irq(&ctx->lock);
+
+ freed_request(ctx, rw_flags);
/*
* in the very unlikely event that allocation failed and no
* requests for this direction was pending, mark us starved
* so that freeing of a request in the other direction will
* notice us. another possible fix would be to split the
* rq mempool into READ and WRITE
*/
rq_starved:
if (unlikely(rl->count[is_sync] == 0))
rl->starved[is_sync] = 1;
goto out;
}
- /*
- * ioc may be NULL here, and ioc_batching will be false. That's
- * OK, if the queue is under the request limit then requests need
- * not count toward the nr_batch_requests limit. There will always
- * be some limit enforced by BLK_BATCH_TIME.
- */
- if (ioc_batching(q, ioc))
- ioc->nr_batch_requests--;
-
trace_block_getrq(q, bio, rw_flags & 1);
+
+ if (drop_lock)
+ spin_lock_irq(&ctx->lock);
out:
return rq;
}
/**
* get_request_wait - get a free request with retry
* @q: request_queue to allocate request from
* @rw_flags: RW and SYNC flags
* @bio: bio to allocate request for (can be %NULL)
*
* Get a free request from @q. This function keeps retrying under memory
* pressure and fails iff @q is dead.
*
- * Must be callled with @q->queue_lock held and,
- * Returns %NULL on failure, with @q->queue_lock held.
- * Returns !%NULL on success, with @q->queue_lock *not held*.
+ * Must be callled with @ctx->lock held.
*/
-static struct request *get_request_wait(struct request_queue *q, int rw_flags,
+static struct request *get_request_wait(struct blk_queue_ctx *ctx, int rw_flags,
struct bio *bio)
{
+ struct request_queue *q = ctx->queue;
const bool is_sync = rw_is_sync(rw_flags) != 0;
struct request *rq;
- rq = get_request(q, rw_flags, bio, GFP_NOIO);
+ rq = get_request(ctx, rw_flags, bio, GFP_NOIO);
while (!rq) {
DEFINE_WAIT(wait);
- struct request_list *rl = &q->rq;
+ struct request_list *rl = &ctx->rl;
if (unlikely(blk_queue_dead(q)))
return NULL;
prepare_to_wait_exclusive(&rl->wait[is_sync], &wait,
TASK_UNINTERRUPTIBLE);
trace_block_sleeprq(q, bio, rw_flags & 1);
- spin_unlock_irq(q->queue_lock);
+ spin_unlock_irq(&ctx->lock);
io_schedule();
/*
* After sleeping, we become a "batching" process and
* will be able to allocate at least one request, and
* up to a big batch of them for a small period time.
* See ioc_batching, ioc_set_batching
*/
create_io_context(current, GFP_NOIO, q->node);
- ioc_set_batching(q, current->io_context);
- spin_lock_irq(q->queue_lock);
+ spin_lock_irq(&ctx->lock);
finish_wait(&rl->wait[is_sync], &wait);
- rq = get_request(q, rw_flags, bio, GFP_NOIO);
+ rq = get_request(ctx, rw_flags, bio, GFP_NOIO);
};
return rq;
}
struct request *blk_get_request(struct request_queue *q, int rw, gfp_t gfp_mask)
{
+ struct blk_queue_ctx *ctx = blk_get_ctx(q, 0);
struct request *rq;
BUG_ON(rw != READ && rw != WRITE);
- spin_lock_irq(q->queue_lock);
+ spin_lock_irq(&ctx->lock);
+
if (gfp_mask & __GFP_WAIT)
- rq = get_request_wait(q, rw, NULL);
+ rq = get_request_wait(ctx, rw, NULL);
else
- rq = get_request(q, rw, NULL, gfp_mask);
- if (!rq)
- spin_unlock_irq(q->queue_lock);
- /* q->queue_lock is unlocked at this point */
+ rq = get_request(ctx, rw, NULL, gfp_mask);
+ spin_unlock_irq(&ctx->lock);
return rq;
}
EXPORT_SYMBOL(blk_get_request);
/**
* blk_make_request - given a bio, allocate a corresponding struct request.
* @q: target request queue
* @bio: The bio describing the memory mappings that will be submitted for IO.
* It may be a chained-bio properly constructed by block/bio layer.
@@ -1066,23 +1032,28 @@ void blk_requeue_request(struct request_queue *q, struct request *rq)
if (blk_rq_tagged(rq))
blk_queue_end_tag(q, rq);
BUG_ON(blk_queued_rq(rq));
elv_requeue_request(q, rq);
}
EXPORT_SYMBOL(blk_requeue_request);
-static void add_acct_request(struct request_queue *q, struct request *rq,
- int where)
+static void add_acct_request(struct request *rq, int where)
{
+ struct blk_queue_ctx *ctx = rq->queue_ctx;
+
+ BUG_ON(!irqs_disabled());
+
drive_stat_acct(rq, 1);
- __elv_add_request(q, rq, where);
+ spin_lock(&ctx->lock);
+ __elv_add_request(rq, where);
+ spin_unlock(&ctx->lock);
}
static void part_round_stats_single(int cpu, struct hd_struct *part,
unsigned long now)
{
if (now == part->stamp)
return;
if (part_in_flight(part)) {
@@ -1116,54 +1087,56 @@ void part_round_stats(int cpu, struct hd_struct *part)
if (part->partno)
part_round_stats_single(cpu, &part_to_disk(part)->part0, now);
part_round_stats_single(cpu, part, now);
}
EXPORT_SYMBOL_GPL(part_round_stats);
/*
* queue lock must be held
*/
-void __blk_put_request(struct request_queue *q, struct request *req)
+void __blk_put_request(struct request *req)
{
- if (unlikely(!q))
+ struct blk_queue_ctx *ctx = req->queue_ctx;
+
+ if (unlikely(!ctx))
return;
if (unlikely(--req->ref_count))
return;
- elv_completed_request(q, req);
+ elv_completed_request(req);
/* this is a bio leak */
WARN_ON(req->bio != NULL);
/*
* Request may not have originated from ll_rw_blk. if not,
* it didn't come out of our reserved rq pools
*/
if (req->cmd_flags & REQ_ALLOCED) {
unsigned int flags = req->cmd_flags;
BUG_ON(!list_empty(&req->queuelist));
BUG_ON(!hlist_unhashed(&req->hash));
- blk_free_request(q, req);
- freed_request(q, flags);
+ blk_free_request(ctx, req);
+ freed_request(ctx, flags);
}
}
EXPORT_SYMBOL_GPL(__blk_put_request);
void blk_put_request(struct request *req)
{
+ struct blk_queue_ctx *ctx = req->queue_ctx;
unsigned long flags;
- struct request_queue *q = req->q;
- spin_lock_irqsave(q->queue_lock, flags);
- __blk_put_request(q, req);
- spin_unlock_irqrestore(q->queue_lock, flags);
+ spin_lock_irqsave(&ctx->lock, flags);
+ __blk_put_request(req);
+ spin_unlock_irqrestore(&ctx->lock, flags);
}
EXPORT_SYMBOL(blk_put_request);
/**
* blk_add_request_payload - add a payload to a request
* @rq: request to update
* @page: page backing the payload
* @len: length of the payload.
*
@@ -1187,49 +1160,49 @@ void blk_add_request_payload(struct request *rq, struct page *page,
bio->bi_vcnt = 1;
bio->bi_phys_segments = 1;
rq->__data_len = rq->resid_len = len;
rq->nr_phys_segments = 1;
rq->buffer = bio_data(bio);
}
EXPORT_SYMBOL_GPL(blk_add_request_payload);
-static bool bio_attempt_back_merge(struct request_queue *q, struct request *req,
+static bool bio_attempt_back_merge(struct blk_queue_ctx *ctx, struct request *req,
struct bio *bio)
{
const int ff = bio->bi_rw & REQ_FAILFAST_MASK;
- if (!ll_back_merge_fn(q, req, bio))
+ if (!ll_back_merge_fn(ctx, req, bio))
return false;
- trace_block_bio_backmerge(q, bio);
+ trace_block_bio_backmerge(ctx->queue, bio);
if ((req->cmd_flags & REQ_FAILFAST_MASK) != ff)
blk_rq_set_mixed_merge(req);
req->biotail->bi_next = bio;
req->biotail = bio;
req->__data_len += bio->bi_size;
req->ioprio = ioprio_best(req->ioprio, bio_prio(bio));
drive_stat_acct(req, 0);
return true;
}
-static bool bio_attempt_front_merge(struct request_queue *q,
+static bool bio_attempt_front_merge(struct blk_queue_ctx *ctx,
struct request *req, struct bio *bio)
{
const int ff = bio->bi_rw & REQ_FAILFAST_MASK;
- if (!ll_front_merge_fn(q, req, bio))
+ if (!ll_front_merge_fn(ctx, req, bio))
return false;
- trace_block_bio_frontmerge(q, bio);
+ trace_block_bio_frontmerge(ctx->queue, bio);
if ((req->cmd_flags & REQ_FAILFAST_MASK) != ff)
blk_rq_set_mixed_merge(req);
bio->bi_next = req->bio;
req->bio = bio;
/*
* may not be valid. if the low level driver said
@@ -1274,28 +1247,28 @@ static bool attempt_plug_merge(struct request_queue *q, struct bio *bio,
goto out;
*request_count = 0;
list_for_each_entry_reverse(rq, &plug->list, queuelist) {
int el_ret;
if (rq->q == q)
(*request_count)++;
- if (rq->q != q || !blk_rq_merge_ok(rq, bio))
+ if (rq->queue_ctx->queue != q || !blk_rq_merge_ok(rq, bio))
continue;
el_ret = blk_try_merge(rq, bio);
if (el_ret == ELEVATOR_BACK_MERGE) {
- ret = bio_attempt_back_merge(q, rq, bio);
+ ret = bio_attempt_back_merge(rq->queue_ctx, rq, bio);
if (ret)
break;
} else if (el_ret == ELEVATOR_FRONT_MERGE) {
- ret = bio_attempt_front_merge(q, rq, bio);
+ ret = bio_attempt_front_merge(rq->queue_ctx, rq, bio);
if (ret)
break;
}
}
out:
return ret;
}
void init_request_from_bio(struct request *req, struct bio *bio)
@@ -1303,88 +1276,93 @@ void init_request_from_bio(struct request *req, struct bio *bio)
req->cmd_type = REQ_TYPE_FS;
req->cmd_flags |= bio->bi_rw & REQ_COMMON_MASK;
if (bio->bi_rw & REQ_RAHEAD)
req->cmd_flags |= REQ_FAILFAST_MASK;
req->errors = 0;
req->__sector = bio->bi_sector;
req->ioprio = bio_prio(bio);
- blk_rq_bio_prep(req->q, req, bio);
+ blk_rq_bio_prep(req->queue_ctx->queue, req, bio);
}
void blk_queue_bio(struct request_queue *q, struct bio *bio)
{
const bool sync = !!(bio->bi_rw & REQ_SYNC);
+ struct blk_queue_ctx *ctx = blk_get_ctx(q, 0);
struct blk_plug *plug;
int el_ret, rw_flags, where = ELEVATOR_INSERT_SORT;
struct request *req;
unsigned int request_count = 0;
/*
* low level driver can indicate that it wants pages above a
* certain limit bounced to low memory (ie for highmem, or even
* ISA dma in theory)
*/
blk_queue_bounce(q, &bio);
if (bio->bi_rw & (REQ_FLUSH | REQ_FUA)) {
- spin_lock_irq(q->queue_lock);
+ spin_lock_irq(&ctx->lock);
where = ELEVATOR_INSERT_FLUSH;
goto get_rq;
}
/*
* Check if we can merge with the plugged list before grabbing
* any locks.
*/
if (attempt_plug_merge(q, bio, &request_count))
return;
- spin_lock_irq(q->queue_lock);
+ spin_lock_irq(&ctx->lock);
- el_ret = elv_merge(q, &req, bio);
+ el_ret = elv_merge(ctx, &req, bio);
if (el_ret == ELEVATOR_BACK_MERGE) {
- if (bio_attempt_back_merge(q, req, bio)) {
- elv_bio_merged(q, req, bio);
- if (!attempt_back_merge(q, req))
- elv_merged_request(q, req, el_ret);
- goto out_unlock;
+ if (bio_attempt_back_merge(ctx, req, bio)) {
+ elv_bio_merged(ctx, req, bio);
+ if (!attempt_back_merge(ctx, req))
+ elv_merged_request(ctx, req, el_ret);
+out_unlock:
+ spin_unlock_irq(&ctx->lock);
+ return;
}
} else if (el_ret == ELEVATOR_FRONT_MERGE) {
- if (bio_attempt_front_merge(q, req, bio)) {
- elv_bio_merged(q, req, bio);
- if (!attempt_front_merge(q, req))
- elv_merged_request(q, req, el_ret);
+ if (bio_attempt_front_merge(ctx, req, bio)) {
+ elv_bio_merged(ctx, req, bio);
+ if (!attempt_front_merge(ctx, req))
+ elv_merged_request(ctx, req, el_ret);
goto out_unlock;
}
}
get_rq:
/*
* This sync check and mask will be re-done in init_request_from_bio(),
* but we need to set it earlier to expose the sync flag to the
* rq allocator and io schedulers.
*/
rw_flags = bio_data_dir(bio);
if (sync)
rw_flags |= REQ_SYNC;
/*
- * Grab a free request. This is might sleep but can not fail.
- * Returns with the queue unlocked.
+ * Grab a free request. Fails if the queue is dead,
+ * otherwise succeeds. May drop lock, but reacquires it.
*/
- req = get_request_wait(q, rw_flags, bio);
+ req = get_request_wait(ctx, rw_flags, bio);
if (unlikely(!req)) {
bio_endio(bio, -ENODEV); /* @q is dead */
goto out_unlock;
}
+ spin_unlock_irq(&ctx->lock);
+
/*
* After dropping the lock and possibly sleeping here, our request
* may now be mergeable after it had proven unmergeable (above).
* We don't worry about that case for efficiency. It won't happen
* often, and the elevators are able to handle it.
*/
init_request_from_bio(req, bio);
if (test_bit(QUEUE_FLAG_SAME_COMP, &q->queue_flags))
@@ -1399,33 +1377,32 @@ get_rq:
* note to sort the list before dispatch.
*/
if (list_empty(&plug->list))
trace_block_plug(q);
else {
if (!plug->should_sort) {
struct request *__rq;
__rq = list_entry_rq(plug->list.prev);
- if (__rq->q != q)
+ if (__rq->queue_ctx->queue != q)
plug->should_sort = 1;
}
if (request_count >= BLK_MAX_REQUEST_COUNT) {
blk_flush_plug_list(plug, false);
trace_block_plug(q);
}
}
list_add_tail(&req->queuelist, &plug->list);
drive_stat_acct(req, 1);
} else {
spin_lock_irq(q->queue_lock);
- add_acct_request(q, req, where);
+ add_acct_request(req, where);
__blk_run_queue(q);
-out_unlock:
spin_unlock_irq(q->queue_lock);
}
}
EXPORT_SYMBOL_GPL(blk_queue_bio); /* for device mapper only */
/*
* If bio->bi_dev is a partition, remap the location
*/
static inline void blk_partition_remap(struct bio *bio)
@@ -1796,19 +1773,19 @@ int blk_insert_cloned_request(struct request_queue *q, struct request *rq)
/*
* Submitting request must be dequeued before calling this function
* because it will be linked to another request_queue
*/
BUG_ON(blk_queued_rq(rq));
if (rq->cmd_flags & (REQ_FLUSH|REQ_FUA))
where = ELEVATOR_INSERT_FLUSH;
- add_acct_request(q, rq, where);
+ add_acct_request(rq, where);
if (where == ELEVATOR_INSERT_FLUSH)
__blk_run_queue(q);
spin_unlock_irqrestore(q->queue_lock, flags);
return 0;
}
EXPORT_SYMBOL_GPL(blk_insert_cloned_request);
/**
@@ -1918,19 +1895,19 @@ struct request *blk_peek_request(struct request_queue *q)
while ((rq = __elv_next_request(q)) != NULL) {
if (!(rq->cmd_flags & REQ_STARTED)) {
/*
* This is the first time the device driver
* sees this request (possibly after
* requeueing). Notify IO scheduler.
*/
if (rq->cmd_flags & REQ_SORTED)
- elv_activate_rq(q, rq);
+ elv_activate_rq(rq);
/*
* just mark as started even if we don't start
* it, a request that has been delayed should
* not be passed by new incoming requests
*/
rq->cmd_flags |= REQ_STARTED;
trace_block_rq_issue(q, rq);
}
@@ -1991,32 +1968,32 @@ struct request *blk_peek_request(struct request_queue *q)
}
}
return rq;
}
EXPORT_SYMBOL(blk_peek_request);
void blk_dequeue_request(struct request *rq)
{
- struct request_queue *q = rq->q;
+ struct blk_queue_ctx *ctx = rq->queue_ctx;
BUG_ON(list_empty(&rq->queuelist));
BUG_ON(ELV_ON_HASH(rq));
list_del_init(&rq->queuelist);
/*
* the time frame between a request being removed from the lists
* and to it is freed is accounted as io that is in progress at
* the driver side.
*/
if (blk_account_rq(rq)) {
- q->in_flight[rq_is_sync(rq)]++;
+ ctx->in_flight[rq_is_sync(rq)]++;
set_io_start_time_ns(rq);
}
}
/**
* blk_start_request - start request processing on the driver
* @req: request to dequeue
*
* Description:
@@ -2095,19 +2072,19 @@ EXPORT_SYMBOL(blk_fetch_request);
**/
bool blk_update_request(struct request *req, int error, unsigned int nr_bytes)
{
int total_bytes, bio_nbytes, next_idx = 0;
struct bio *bio;
if (!req->bio)
return false;
- trace_block_rq_complete(req->q, req);
+ trace_block_rq_complete(req->queue_ctx->queue, req);
/*
* For fs requests, rq is just carrier of independent bio's
* and each partial completion should be handled separately.
* Reset per-request error on each partial completion.
*
* TODO: tj: This is too subtle. It would be better to let
* low level drivers do what they see fit.
*/
@@ -2250,72 +2227,75 @@ static bool blk_update_bidi_request(struct request *rq, int error,
{
if (blk_update_request(rq, error, nr_bytes))
return true;
/* Bidi request must be completed as a whole */
if (unlikely(blk_bidi_rq(rq)) &&
blk_update_request(rq->next_rq, error, bidi_bytes))
return true;
- if (blk_queue_add_random(rq->q))
+ if (blk_queue_add_random(rq->queue_ctx->queue))
add_disk_randomness(rq->rq_disk);
return false;
}
/**
* blk_unprep_request - unprepare a request
* @req: the request
*
* This function makes a request ready for complete resubmission (or
* completion). It happens only after all error handling is complete,
* so represents the appropriate moment to deallocate any resources
* that were allocated to the request in the prep_rq_fn. The queue
* lock is held when calling this.
*/
void blk_unprep_request(struct request *req)
{
- struct request_queue *q = req->q;
+ struct request_queue *q = req->queue_ctx->queue;
req->cmd_flags &= ~REQ_DONTPREP;
if (q->unprep_rq_fn)
q->unprep_rq_fn(q, req);
}
EXPORT_SYMBOL_GPL(blk_unprep_request);
/*
* queue lock must be held
*/
static void blk_finish_request(struct request *req, int error)
{
+ struct blk_queue_ctx *ctx = req->queue_ctx;
+ struct request_queue *q = ctx->queue;
+
if (blk_rq_tagged(req))
- blk_queue_end_tag(req->q, req);
+ blk_queue_end_tag(q, req);
BUG_ON(blk_queued_rq(req));
if (unlikely(laptop_mode) && req->cmd_type == REQ_TYPE_FS)
- laptop_io_completion(&req->q->backing_dev_info);
+ laptop_io_completion(&q->backing_dev_info);
blk_delete_timer(req);
if (req->cmd_flags & REQ_DONTPREP)
blk_unprep_request(req);
blk_account_io_done(req);
if (req->end_io)
req->end_io(req, error);
else {
if (blk_bidi_rq(req))
- __blk_put_request(req->next_rq->q, req->next_rq);
+ __blk_put_request(req->next_rq);
- __blk_put_request(req->q, req);
+ __blk_put_request(req);
}
}
/**
* blk_end_bidi_request - Complete a bidi request
* @rq: the request to complete
* @error: %0 for success, < %0 for error
* @nr_bytes: number of bytes to complete @rq
* @bidi_bytes: number of bytes to complete @rq->next_rq
@@ -2327,27 +2307,27 @@ static void blk_finish_request(struct request *req, int error)
* just ignored.
*
* Return:
* %false - we are done with this request
* %true - still buffers pending for this request
**/
static bool blk_end_bidi_request(struct request *rq, int error,
unsigned int nr_bytes, unsigned int bidi_bytes)
{
- struct request_queue *q = rq->q;
+ struct blk_queue_ctx *ctx = rq->queue_ctx;
unsigned long flags;
if (blk_update_bidi_request(rq, error, nr_bytes, bidi_bytes))
return true;
- spin_lock_irqsave(q->queue_lock, flags);
+ spin_lock_irqsave(&ctx->lock, flags);
blk_finish_request(rq, error);
- spin_unlock_irqrestore(q->queue_lock, flags);
+ spin_unlock_irqrestore(&ctx->lock, flags);
return false;
}
/**
* __blk_end_bidi_request - Complete a bidi request with queue lock held
* @rq: the request to complete
* @error: %0 for success, < %0 for error
* @nr_bytes: number of bytes to complete @rq
@@ -2744,54 +2724,50 @@ void blk_start_plug(struct blk_plug *plug)
}
}
EXPORT_SYMBOL(blk_start_plug);
static int plug_rq_cmp(void *priv, struct list_head *a, struct list_head *b)
{
struct request *rqa = container_of(a, struct request, queuelist);
struct request *rqb = container_of(b, struct request, queuelist);
- return !(rqa->q <= rqb->q);
+ return !(rqa->queue_ctx <= rqb->queue_ctx);
}
/*
* If 'from_schedule' is true, then postpone the dispatch of requests
* until a safe kblockd context. We due this to avoid accidental big
* additional stack usage in driver dispatch, in places where the originally
* plugger did not intend it.
*/
static void queue_unplugged(struct request_queue *q, unsigned int depth,
bool from_schedule)
- __releases(q->queue_lock)
{
trace_block_unplug(q, depth, !from_schedule);
/*
* Don't mess with dead queue.
*/
- if (unlikely(blk_queue_dead(q))) {
- spin_unlock(q->queue_lock);
+ if (unlikely(blk_queue_dead(q)))
return;
- }
/*
* If we are punting this to kblockd, then we can safely drop
* the queue_lock before waking kblockd (which needs to take
* this lock).
*/
- if (from_schedule) {
- spin_unlock(q->queue_lock);
+ if (from_schedule)
blk_run_queue_async(q);
- } else {
+ else {
+ spin_lock(q->queue_lock);
__blk_run_queue(q);
spin_unlock(q->queue_lock);
}
-
}
static void flush_plug_callbacks(struct blk_plug *plug)
{
LIST_HEAD(callbacks);
if (list_empty(&plug->cb_list))
return;
@@ -2802,84 +2778,85 @@ static void flush_plug_callbacks(struct blk_plug *plug)
struct blk_plug_cb,
list);
list_del(&cb->list);
cb->callback(cb);
}
}
void blk_flush_plug_list(struct blk_plug *plug, bool from_schedule)
{
- struct request_queue *q;
+ struct blk_queue_ctx *ctx;
unsigned long flags;
struct request *rq;
LIST_HEAD(list);
unsigned int depth;
BUG_ON(plug->magic != PLUG_MAGIC);
flush_plug_callbacks(plug);
if (list_empty(&plug->list))
return;
list_splice_init(&plug->list, &list);
if (plug->should_sort) {
list_sort(NULL, &list, plug_rq_cmp);
plug->should_sort = 0;
}
- q = NULL;
+ ctx = NULL;
depth = 0;
/*
* Save and disable interrupts here, to avoid doing it for every
* queue lock we have to take.
*/
local_irq_save(flags);
while (!list_empty(&list)) {
rq = list_entry_rq(list.next);
list_del_init(&rq->queuelist);
- BUG_ON(!rq->q);
- if (rq->q != q) {
- /*
- * This drops the queue lock
- */
- if (q)
- queue_unplugged(q, depth, from_schedule);
- q = rq->q;
+ BUG_ON(!rq->queue_ctx);
+ if (rq->queue_ctx != ctx) {
+ if (ctx) {
+ spin_unlock(&ctx->lock);
+ queue_unplugged(ctx->queue, depth, from_schedule);
+ }
+ ctx = rq->queue_ctx;
depth = 0;
- spin_lock(q->queue_lock);
+ spin_lock(&ctx->lock);
}
/*
* Short-circuit if @q is dead
*/
- if (unlikely(blk_queue_dead(q))) {
+ if (unlikely(blk_queue_dead(ctx->queue))) {
__blk_end_request_all(rq, -ENODEV);
continue;
}
/*
* rq is already accounted, so use raw insert
*/
if (rq->cmd_flags & (REQ_FLUSH | REQ_FUA))
- __elv_add_request(q, rq, ELEVATOR_INSERT_FLUSH);
+ __elv_add_request(rq, ELEVATOR_INSERT_FLUSH);
else
- __elv_add_request(q, rq, ELEVATOR_INSERT_SORT_MERGE);
+ __elv_add_request(rq, ELEVATOR_INSERT_SORT_MERGE);
depth++;
}
/*
* This drops the queue lock
*/
- if (q)
- queue_unplugged(q, depth, from_schedule);
+ if (ctx) {
+ spin_unlock(&ctx->lock);
+ queue_unplugged(ctx->queue, depth, from_schedule);
+ }
local_irq_restore(flags);
}
void blk_finish_plug(struct blk_plug *plug)
{
blk_flush_plug_list(plug, false);
if (plug == current->plug)
diff --git a/block/blk-exec.c b/block/blk-exec.c
index fb2cbd5..0711e01 100644
--- a/block/blk-exec.c
+++ b/block/blk-exec.c
@@ -17,19 +17,19 @@
* blk_end_sync_rq - executes a completion event on a request
* @rq: request to complete
* @error: end I/O status of the request
*/
static void blk_end_sync_rq(struct request *rq, int error)
{
struct completion *waiting = rq->end_io_data;
rq->end_io_data = NULL;
- __blk_put_request(rq->q, rq);
+ __blk_put_request(rq);
/*
* complete last, if this is a stack request the process (and thus
* the rq pointer) could be invalid right after this complete()
*/
complete(waiting);
}
/**
@@ -43,33 +43,39 @@ static void blk_end_sync_rq(struct request *rq, int error)
* Description:
* Insert a fully prepared request at the back of the I/O scheduler queue
* for execution. Don't wait for completion.
*/
void blk_execute_rq_nowait(struct request_queue *q, struct gendisk *bd_disk,
struct request *rq, int at_head,
rq_end_io_fn *done)
{
int where = at_head ? ELEVATOR_INSERT_FRONT : ELEVATOR_INSERT_BACK;
+ struct blk_queue_ctx *ctx;
WARN_ON(irqs_disabled());
- spin_lock_irq(q->queue_lock);
+
+ /* FIXME */
+ ctx = blk_get_ctx(q, 0);
if (unlikely(blk_queue_dead(q))) {
- spin_unlock_irq(q->queue_lock);
rq->errors = -ENXIO;
if (rq->end_io)
rq->end_io(rq, rq->errors);
return;
}
rq->rq_disk = bd_disk;
rq->end_io = done;
- __elv_add_request(q, rq, where);
+ spin_lock_irq(&ctx->lock);
+ __elv_add_request(rq, where);
+ spin_unlock(&ctx->lock);
+
+ spin_lock(q->queue_lock);
__blk_run_queue(q);
/* the queue is stopped so it won't be run */
if (rq->cmd_type == REQ_TYPE_PM_RESUME)
q->request_fn(q);
spin_unlock_irq(q->queue_lock);
}
EXPORT_SYMBOL_GPL(blk_execute_rq_nowait);
/**
diff --git a/block/blk-flush.c b/block/blk-flush.c
index 720ad60..971a05e 100644
--- a/block/blk-flush.c
+++ b/block/blk-flush.c
@@ -138,19 +138,19 @@ static void blk_flush_restore_request(struct request *rq)
* CONTEXT:
* spin_lock_irq(q->queue_lock)
*
* RETURNS:
* %true if requests were added to the dispatch queue, %false otherwise.
*/
static bool blk_flush_complete_seq(struct request *rq, unsigned int seq,
int error)
{
- struct request_queue *q = rq->q;
+ struct request_queue *q = rq->queue_ctx->queue;
struct list_head *pending = &q->flush_queue[q->flush_pending_idx];
bool queued = false;
BUG_ON(rq->flush.seq & seq);
rq->flush.seq |= seq;
if (likely(!error))
seq = blk_flush_cur_seq(rq);
else
@@ -187,28 +187,28 @@ static bool blk_flush_complete_seq(struct request *rq, unsigned int seq,
default:
BUG();
}
return blk_kick_flush(q) | queued;
}
static void flush_end_io(struct request *flush_rq, int error)
{
- struct request_queue *q = flush_rq->q;
+ struct request_queue *q = flush_rq->queue_ctx->queue;
struct list_head *running = &q->flush_queue[q->flush_running_idx];
bool queued = false;
struct request *rq, *n;
BUG_ON(q->flush_pending_idx == q->flush_running_idx);
/* account completion of the flush request */
q->flush_running_idx ^= 1;
- elv_completed_request(q, flush_rq);
+ elv_completed_request(flush_rq);
/* and push the waiting requests to the next stage */
list_for_each_entry_safe(rq, n, running, flush.list) {
unsigned int seq = blk_flush_cur_seq(rq);
BUG_ON(seq != REQ_FSEQ_PREFLUSH && seq != REQ_FSEQ_POSTFLUSH);
queued |= blk_flush_complete_seq(rq, seq, error);
}
@@ -240,47 +240,48 @@ static void flush_end_io(struct request *flush_rq, int error)
*
* RETURNS:
* %true if flush was issued, %false otherwise.
*/
static bool blk_kick_flush(struct request_queue *q)
{
struct list_head *pending = &q->flush_queue[q->flush_pending_idx];
struct request *first_rq =
list_first_entry(pending, struct request, flush.list);
+ struct blk_queue_ctx *ctx = first_rq->queue_ctx;
/* C1 described at the top of this file */
if (q->flush_pending_idx != q->flush_running_idx || list_empty(pending))
return false;
/* C2 and C3 */
if (!list_empty(&q->flush_data_in_flight) &&
time_before(jiffies,
q->flush_pending_since + FLUSH_PENDING_TIMEOUT))
return false;
/*
* Issue flush and toggle pending_idx. This makes pending_idx
* different from running_idx, which means flush is in flight.
*/
- blk_rq_init(q, &q->flush_rq);
+ blk_rq_init(ctx, &q->flush_rq);
q->flush_rq.cmd_type = REQ_TYPE_FS;
q->flush_rq.cmd_flags = WRITE_FLUSH | REQ_FLUSH_SEQ;
q->flush_rq.rq_disk = first_rq->rq_disk;
q->flush_rq.end_io = flush_end_io;
q->flush_pending_idx ^= 1;
list_add_tail(&q->flush_rq.queuelist, &q->queue_head);
return true;
}
static void flush_data_end_io(struct request *rq, int error)
{
- struct request_queue *q = rq->q;
+ struct request_queue *q = rq->queue_ctx->queue;
/*
* After populating an empty queue, kick it to avoid stall. Read
* the comment in flush_end_io().
*/
if (blk_flush_complete_seq(rq, REQ_FSEQ_DATA, error))
blk_run_queue_async(q);
}
@@ -291,19 +292,19 @@ static void flush_data_end_io(struct request *rq, int error)
* To be called from __elv_add_request() for %ELEVATOR_INSERT_FLUSH insertions.
* @rq is being submitted. Analyze what needs to be done and put it on the
* right queue.
*
* CONTEXT:
* spin_lock_irq(q->queue_lock)
*/
void blk_insert_flush(struct request *rq)
{
- struct request_queue *q = rq->q;
+ struct request_queue *q = rq->queue_ctx->queue;
unsigned int fflags = q->flush_flags; /* may change, cache */
unsigned int policy = blk_flush_policy(fflags, rq);
/*
* @policy now records what operations need to be done. Adjust
* REQ_FLUSH and FUA for the driver.
*/
rq->cmd_flags &= ~REQ_FLUSH;
if (!(fflags & REQ_FUA))
diff --git a/block/blk-map.c b/block/blk-map.c
index 623e1cd..a7dd895 100644
--- a/block/blk-map.c
+++ b/block/blk-map.c
@@ -8,19 +8,19 @@
#include <scsi/sg.h> /* for struct sg_iovec */
#include "blk.h"
int blk_rq_append_bio(struct request_queue *q, struct request *rq,
struct bio *bio)
{
if (!rq->bio)
blk_rq_bio_prep(q, rq, bio);
- else if (!ll_back_merge_fn(q, rq, bio))
+ else if (!ll_back_merge_fn(rq->queue_ctx, rq, bio))
return -EINVAL;
else {
rq->biotail->bi_next = bio;
rq->biotail = bio;
rq->__data_len += bio->bi_size;
}
return 0;
}
diff --git a/block/blk-merge.c b/block/blk-merge.c
index 160035f..61538b3 100644
--- a/block/blk-merge.c
+++ b/block/blk-merge.c
@@ -64,19 +64,21 @@ new_segment:
fbio->bi_seg_front_size = seg_size;
if (seg_size > bbio->bi_seg_back_size)
bbio->bi_seg_back_size = seg_size;
return nr_phys_segs;
}
void blk_recalc_rq_segments(struct request *rq)
{
- rq->nr_phys_segments = __blk_recalc_rq_segments(rq->q, rq->bio);
+ struct request_queue *q = rq->queue_ctx->queue;
+
+ rq->nr_phys_segments = __blk_recalc_rq_segments(q, rq->bio);
}
void blk_recount_segments(struct request_queue *q, struct bio *bio)
{
struct bio *nxt = bio->bi_next;
bio->bi_next = NULL;
bio->bi_phys_segments = __blk_recalc_rq_segments(q, bio);
bio->bi_next = nxt;
@@ -108,21 +110,21 @@ static int blk_phys_contig_segment(struct request_queue *q, struct bio *bio,
return 1;
return 0;
}
/*
* map a request to scatterlist, return number of sg entries setup. Caller
* must make sure sg can hold rq->nr_phys_segments entries
*/
-int blk_rq_map_sg(struct request_queue *q, struct request *rq,
- struct scatterlist *sglist)
+int blk_rq_map_sg(struct request *rq, struct scatterlist *sglist)
{
+ struct request_queue *q = rq->queue_ctx->queue;
struct bio_vec *bvec, *bvprv;
struct req_iterator iter;
struct scatterlist *sg;
int nsegs, cluster;
nsegs = 0;
cluster = blk_queue_cluster(q);
/*
@@ -194,18 +196,19 @@ new_segment:
if (sg)
sg_mark_end(sg);
return nsegs;
}
EXPORT_SYMBOL(blk_rq_map_sg);
static inline int ll_new_hw_segment(struct request_queue *q,
+ struct blk_queue_ctx *ctx,
struct request *req,
struct bio *bio)
{
int nr_phys_segs = bio_phys_segments(q, bio);
if (req->nr_phys_segments + nr_phys_segs > queue_max_segments(q))
goto no_merge;
if (bio_integrity(bio) && blk_integrity_merge_bio(q, req, bio))
@@ -214,75 +217,77 @@ static inline int ll_new_hw_segment(struct request_queue *q,
/*
* This will form the start of a new hw segment. Bump both
* counters.
*/
req->nr_phys_segments += nr_phys_segs;
return 1;
no_merge:
req->cmd_flags |= REQ_NOMERGE;
- if (req == q->last_merge)
- q->last_merge = NULL;
+ if (req == ctx->last_merge)
+ ctx->last_merge = NULL;
return 0;
}
-int ll_back_merge_fn(struct request_queue *q, struct request *req,
+int ll_back_merge_fn(struct blk_queue_ctx *ctx, struct request *req,
struct bio *bio)
{
+ struct request_queue *q = ctx->queue;
unsigned short max_sectors;
if (unlikely(req->cmd_type == REQ_TYPE_BLOCK_PC))
max_sectors = queue_max_hw_sectors(q);
else
max_sectors = queue_max_sectors(q);
if (blk_rq_sectors(req) + bio_sectors(bio) > max_sectors) {
req->cmd_flags |= REQ_NOMERGE;
- if (req == q->last_merge)
- q->last_merge = NULL;
+ if (req == ctx->last_merge)
+ ctx->last_merge = NULL;
return 0;
}
if (!bio_flagged(req->biotail, BIO_SEG_VALID))
blk_recount_segments(q, req->biotail);
if (!bio_flagged(bio, BIO_SEG_VALID))
blk_recount_segments(q, bio);
- return ll_new_hw_segment(q, req, bio);
+ return ll_new_hw_segment(q, ctx, req, bio);
}
-int ll_front_merge_fn(struct request_queue *q, struct request *req,
+int ll_front_merge_fn(struct blk_queue_ctx *ctx, struct request *req,
struct bio *bio)
{
+ struct request_queue *q = ctx->queue;
unsigned short max_sectors;
if (unlikely(req->cmd_type == REQ_TYPE_BLOCK_PC))
max_sectors = queue_max_hw_sectors(q);
else
max_sectors = queue_max_sectors(q);
-
if (blk_rq_sectors(req) + bio_sectors(bio) > max_sectors) {
req->cmd_flags |= REQ_NOMERGE;
- if (req == q->last_merge)
- q->last_merge = NULL;
+ if (req == ctx->last_merge)
+ ctx->last_merge = NULL;
return 0;
}
if (!bio_flagged(bio, BIO_SEG_VALID))
blk_recount_segments(q, bio);
if (!bio_flagged(req->bio, BIO_SEG_VALID))
blk_recount_segments(q, req->bio);
- return ll_new_hw_segment(q, req, bio);
+ return ll_new_hw_segment(q, ctx, req, bio);
}
-static int ll_merge_requests_fn(struct request_queue *q, struct request *req,
+static int ll_merge_requests_fn(struct blk_queue_ctx *ctx, struct request *req,
struct request *next)
{
+ struct request_queue *q = ctx->queue;
int total_phys_segments;
unsigned int seg_size =
req->biotail->bi_seg_back_size + next->bio->bi_seg_front_size;
/*
* First check if the either of the requests are re-queued
* requests. Can't merge them if they are.
*/
if (req->special || next->special)
@@ -358,20 +363,20 @@ static void blk_account_io_merge(struct request *req)
hd_struct_put(part);
part_stat_unlock();
}
}
/*
* Has to be called with the request spinlock acquired
*/
-static int attempt_merge(struct request_queue *q, struct request *req,
- struct request *next)
+static int attempt_merge(struct blk_queue_ctx *ctx, struct request *req,
+ struct request *next)
{
if (!rq_mergeable(req) || !rq_mergeable(next))
return 0;
/*
* Don't merge file system requests and discard requests
*/
if ((req->cmd_flags & REQ_DISCARD) != (next->cmd_flags & REQ_DISCARD))
return 0;
@@ -393,19 +398,19 @@ static int attempt_merge(struct request_queue *q, struct request *req,
|| next->special)
return 0;
/*
* If we are allowed to merge, then append bio list
* from next to rq and release next. merge_requests_fn
* will have updated segment counts, update sector
* counts here.
*/
- if (!ll_merge_requests_fn(q, req, next))
+ if (!ll_merge_requests_fn(ctx, req, next))
return 0;
/*
* If failfast settings disagree or any of the two is already
* a mixed merge, mark both as mixed before proceeding. This
* makes sure that all involved bios have mixable attributes
* set properly.
*/
if ((req->cmd_flags | next->cmd_flags) & REQ_MIXED_MERGE ||
@@ -423,59 +428,59 @@ static int attempt_merge(struct request_queue *q, struct request *req,
*/
if (time_after(req->start_time, next->start_time))
req->start_time = next->start_time;
req->biotail->bi_next = next->bio;
req->biotail = next->biotail;
req->__data_len += blk_rq_bytes(next);
- elv_merge_requests(q, req, next);
+ elv_merge_requests(ctx, req, next);
/*
* 'next' is going away, so update stats accordingly
*/
blk_account_io_merge(next);
req->ioprio = ioprio_best(req->ioprio, next->ioprio);
if (blk_rq_cpu_valid(next))
req->cpu = next->cpu;
/* owner-ship of bio passed from next to req */
next->bio = NULL;
- __blk_put_request(q, next);
+ __blk_put_request(next);
return 1;
}
-int attempt_back_merge(struct request_queue *q, struct request *rq)
+int attempt_back_merge(struct blk_queue_ctx *ctx, struct request *rq)
{
- struct request *next = elv_latter_request(q, rq);
+ struct request *next = elv_latter_request(ctx, rq);
if (next)
- return attempt_merge(q, rq, next);
+ return attempt_merge(ctx, rq, next);
return 0;
}
-int attempt_front_merge(struct request_queue *q, struct request *rq)
+int attempt_front_merge(struct blk_queue_ctx *ctx, struct request *rq)
{
- struct request *prev = elv_former_request(q, rq);
+ struct request *prev = elv_former_request(ctx, rq);
if (prev)
- return attempt_merge(q, prev, rq);
+ return attempt_merge(ctx, prev, rq);
return 0;
}
-int blk_attempt_req_merge(struct request_queue *q, struct request *rq,
+int blk_attempt_req_merge(struct blk_queue_ctx *ctx, struct request *rq,
struct request *next)
{
- return attempt_merge(q, rq, next);
+ return attempt_merge(ctx, rq, next);
}
bool blk_rq_merge_ok(struct request *rq, struct bio *bio)
{
if (!rq_mergeable(rq))
return false;
/* don't merge file system requests and discard requests */
if ((bio->bi_rw & REQ_DISCARD) != (rq->bio->bi_rw & REQ_DISCARD))
diff --git a/block/blk-settings.c b/block/blk-settings.c
index d3234fc..862b859 100644
--- a/block/blk-settings.c
+++ b/block/blk-settings.c
@@ -174,19 +174,18 @@ void blk_queue_make_request(struct request_queue *q, make_request_fn *mfn)
{
/*
* set defaults
*/
q->nr_requests = BLKDEV_MAX_RQ;
q->make_request_fn = mfn;
blk_queue_dma_alignment(q, 511);
blk_queue_congestion_threshold(q);
- q->nr_batching = BLK_BATCH_REQ;
blk_set_default_limits(&q->limits);
/*
* by default assume old behaviour and bounce for any highmem page
*/
blk_queue_bounce_limit(q, BLK_BOUNCE_HIGH);
}
EXPORT_SYMBOL(blk_queue_make_request);
diff --git a/block/blk-softirq.c b/block/blk-softirq.c
index 467c8de..295665a 100644
--- a/block/blk-softirq.c
+++ b/block/blk-softirq.c
@@ -15,30 +15,32 @@
static DEFINE_PER_CPU(struct list_head, blk_cpu_done);
/*
* Softirq action handler - move entries to local list and loop over them
* while passing them to the queue registered handler.
*/
static void blk_done_softirq(struct softirq_action *h)
{
struct list_head *cpu_list, local_list;
+ struct request_queue *q;
local_irq_disable();
cpu_list = &__get_cpu_var(blk_cpu_done);
list_replace_init(cpu_list, &local_list);
local_irq_enable();
while (!list_empty(&local_list)) {
struct request *rq;
rq = list_entry(local_list.next, struct request, csd.list);
list_del_init(&rq->csd.list);
- rq->q->softirq_done_fn(rq);
+ q = rq->queue_ctx->queue;
+ q->softirq_done_fn(rq);
}
}
#if defined(CONFIG_SMP) && defined(CONFIG_USE_GENERIC_SMP_HELPERS)
static void trigger_softirq(void *data)
{
struct request *rq = data;
unsigned long flags;
struct list_head *list;
@@ -98,20 +100,20 @@ static int __cpuinit blk_cpu_notify(struct notifier_block *self,
return NOTIFY_OK;
}
static struct notifier_block __cpuinitdata blk_cpu_notifier = {
.notifier_call = blk_cpu_notify,
};
void __blk_complete_request(struct request *req)
{
+ struct request_queue *q = req->queue_ctx->queue;
int ccpu, cpu;
- struct request_queue *q = req->q;
unsigned long flags;
bool shared = false;
BUG_ON(!q->softirq_done_fn);
local_irq_save(flags);
cpu = smp_processor_id();
/*
@@ -159,19 +161,21 @@ do_local:
* Description:
* Ends all I/O on a request. It does not handle partial completions,
* unless the driver actually implements this in its completion callback
* through requeueing. The actual completion happens out-of-order,
* through a softirq handler. The user must have registered a completion
* callback through blk_queue_softirq_done().
**/
void blk_complete_request(struct request *req)
{
- if (unlikely(blk_should_fake_timeout(req->q)))
+ struct request_queue *q = req->queue_ctx->queue;
+
+ if (unlikely(blk_should_fake_timeout(q)))
return;
if (!blk_mark_rq_complete(req))
__blk_complete_request(req);
}
EXPORT_SYMBOL(blk_complete_request);
static __init int blk_softirq_init(void)
{
int i;
diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index cf15001..652cf84 100644
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -33,29 +33,36 @@ queue_var_store(unsigned long *var, const char *page, size_t count)
static ssize_t queue_requests_show(struct request_queue *q, char *page)
{
return queue_var_show(q->nr_requests, (page));
}
static ssize_t
queue_requests_store(struct request_queue *q, const char *page, size_t count)
{
- struct request_list *rl = &q->rq;
+ struct blk_queue_ctx *ctx;
+ struct request_list *rl;
unsigned long nr;
int ret;
if (!q->request_fn)
return -EINVAL;
+ /* just ignore it for now */
+ if (q->nr_queues > 1)
+ return count;
ret = queue_var_store(&nr, page, count);
if (nr < BLKDEV_MIN_RQ)
nr = BLKDEV_MIN_RQ;
+ ctx = blk_get_ctx(q, 0);
+ rl = &ctx->rl;
+
spin_lock_irq(q->queue_lock);
q->nr_requests = nr;
blk_queue_congestion_threshold(q);
if (rl->count[BLK_RW_SYNC] >= queue_congestion_on_threshold(q))
blk_set_queue_congested(q, BLK_RW_SYNC);
else if (rl->count[BLK_RW_SYNC] < queue_congestion_off_threshold(q))
blk_clear_queue_congested(q, BLK_RW_SYNC);
@@ -469,33 +476,34 @@ queue_attr_store(struct kobject *kobj, struct attribute *attr,
*
* Caveat:
* Hopefully the low level driver will have finished any
* outstanding requests first...
**/
static void blk_release_queue(struct kobject *kobj)
{
struct request_queue *q =
container_of(kobj, struct request_queue, kobj);
- struct request_list *rl = &q->rq;
blk_sync_queue(q);
if (q->elevator) {
spin_lock_irq(q->queue_lock);
ioc_clear_queue(q);
spin_unlock_irq(q->queue_lock);
- elevator_exit(q->elevator);
+ elevator_exit(q, q->elevator);
}
blk_throtl_exit(q);
- if (rl->rq_pool)
- mempool_destroy(rl->rq_pool);
+ if (q->rq_pool)
+ mempool_destroy(q->rq_pool);
+ if (q->queue_ctx)
+ kfree(q->queue_ctx);
if (q->queue_tags)
__blk_queue_free_tags(q);
blk_throtl_release(q);
blk_trace_shutdown(q);
bdi_destroy(&q->backing_dev_info);
diff --git a/block/blk-tag.c b/block/blk-tag.c
index 4af6f5c..8701a2a 100644
--- a/block/blk-tag.c
+++ b/block/blk-tag.c
@@ -347,19 +347,19 @@ int blk_queue_start_tag(struct request_queue *q, struct request *rq)
*
* We reserve a few tags just for sync IO, since we don't want
* to starve sync IO on behalf of flooding async IO.
*/
max_depth = bqt->max_depth;
if (!rq_is_sync(rq) && max_depth > 1) {
max_depth -= 2;
if (!max_depth)
max_depth = 1;
- if (q->in_flight[BLK_RW_ASYNC] > max_depth)
+ if (__queue_in_flight(q, BLK_RW_ASYNC) > max_depth)
return 1;
}
do {
tag = find_first_zero_bit(bqt->tag_map, max_depth);
if (tag >= max_depth)
return 1;
} while (test_and_set_bit_lock(tag, bqt->tag_map));
diff --git a/block/blk-timeout.c b/block/blk-timeout.c
index 7803548..a6b70fd 100644
--- a/block/blk-timeout.c
+++ b/block/blk-timeout.c
@@ -75,19 +75,19 @@ ssize_t part_timeout_store(struct device *dev, struct device_attribute *attr,
*
*/
void blk_delete_timer(struct request *req)
{
list_del_init(&req->timeout_list);
}
static void blk_rq_timed_out(struct request *req)
{
- struct request_queue *q = req->q;
+ struct request_queue *q = req->queue_ctx->queue;
enum blk_eh_timer_return ret;
ret = q->rq_timed_out_fn(req);
switch (ret) {
case BLK_EH_HANDLED:
__blk_complete_request(req);
break;
case BLK_EH_RESET_TIMER:
blk_clear_rq_complete(req);
@@ -101,42 +101,53 @@ static void blk_rq_timed_out(struct request *req)
* the blk layer.
*/
break;
default:
printk(KERN_ERR "block: bad eh return: %d\n", ret);
break;
}
}
-void blk_rq_timed_out_timer(unsigned long data)
+static void __blk_rq_timed_out(struct request_queue *q,
+ struct blk_queue_ctx *ctx,
+ unsigned long *next, int *next_set)
+
{
- struct request_queue *q = (struct request_queue *) data;
- unsigned long flags, next = 0;
struct request *rq, *tmp;
- int next_set = 0;
- spin_lock_irqsave(q->queue_lock, flags);
-
- list_for_each_entry_safe(rq, tmp, &q->timeout_list, timeout_list) {
+ list_for_each_entry_safe(rq, tmp, &ctx->timeout_list, timeout_list) {
if (time_after_eq(jiffies, rq->deadline)) {
list_del_init(&rq->timeout_list);
/*
* Check if we raced with end io completion
*/
if (blk_mark_rq_complete(rq))
continue;
blk_rq_timed_out(rq);
- } else if (!next_set || time_after(next, rq->deadline)) {
- next = rq->deadline;
- next_set = 1;
+ } else if (!*next_set || time_after(*next, rq->deadline)) {
+ *next = rq->deadline;
+ *next_set = 1;
}
}
+}
+
+void blk_rq_timed_out_timer(unsigned long data)
+{
+ struct request_queue *q = (struct request_queue *) data;
+ struct blk_queue_ctx *ctx;
+ unsigned long flags, next = 0;
+ int next_set = 0, i;
+
+ spin_lock_irqsave(q->queue_lock, flags);
+
+ queue_for_each_ctx(q, ctx, i)
+ __blk_rq_timed_out(q, ctx, &next, &next_set);
if (next_set)
mod_timer(&q->timeout, round_jiffies_up(next));
spin_unlock_irqrestore(q->queue_lock, flags);
}
/**
* blk_abort_request -- Request request recovery for the specified command
@@ -160,36 +171,36 @@ EXPORT_SYMBOL_GPL(blk_abort_request);
* blk_add_timer - Start timeout timer for a single request
* @req: request that is about to start running.
*
* Notes:
* Each request has its own timer, and as it is added to the queue, we
* set up the timer. When the request completes, we cancel the timer.
*/
void blk_add_timer(struct request *req)
{
- struct request_queue *q = req->q;
+ struct request_queue *q = req->queue_ctx->queue;
unsigned long expiry;
if (!q->rq_timed_out_fn)
return;
BUG_ON(!list_empty(&req->timeout_list));
BUG_ON(test_bit(REQ_ATOM_COMPLETE, &req->atomic_flags));
/*
* Some LLDs, like scsi, peek at the timeout to prevent a
* command from being retried forever.
*/
if (!req->timeout)
req->timeout = q->rq_timeout;
req->deadline = jiffies + req->timeout;
- list_add_tail(&req->timeout_list, &q->timeout_list);
+ list_add_tail(&req->timeout_list, &req->queue_ctx->timeout_list);
/*
* If the timer isn't already pending or this timeout is earlier
* than an existing one, modify the timer. Round up to next nearest
* second.
*/
expiry = round_jiffies_up(req->deadline);
if (!timer_pending(&q->timeout) ||
@@ -198,43 +209,47 @@ void blk_add_timer(struct request *req)
}
/**
* blk_abort_queue -- Abort all request on given queue
* @queue: pointer to queue
*
*/
void blk_abort_queue(struct request_queue *q)
{
+ struct blk_queue_ctx *ctx;
unsigned long flags;
struct request *rq, *tmp;
LIST_HEAD(list);
+ unsigned int i;
/*
* Not a request based block device, nothing to abort
*/
if (!q->request_fn)
return;
spin_lock_irqsave(q->queue_lock, flags);
elv_abort_queue(q);
/*
* Splice entries to local list, to avoid deadlocking if entries
* get readded to the timeout list by error handling
*/
- list_splice_init(&q->timeout_list, &list);
+ queue_for_each_ctx(q, ctx, i)
+ list_splice_init(&ctx->timeout_list, &list);
list_for_each_entry_safe(rq, tmp, &list, timeout_list)
blk_abort_request(rq);
/*
* Occasionally, blk_abort_request() will return without
* deleting the element from the list. Make sure we add those back
* instead of leaving them on the local stack list.
*/
- list_splice(&list, &q->timeout_list);
+ list_for_each_entry_safe(rq, tmp, &list, timeout_list)
+ list_move_tail(&rq->timeout_list, &ctx->timeout_list);
spin_unlock_irqrestore(q->queue_lock, flags);
}
EXPORT_SYMBOL_GPL(blk_abort_queue);
diff --git a/block/blk.h b/block/blk.h
index d45be87..0cdae8e 100644
--- a/block/blk.h
+++ b/block/blk.h
@@ -1,19 +1,15 @@
#ifndef BLK_INTERNAL_H
#define BLK_INTERNAL_H
#include <linux/idr.h>
-/* Amount of time in which a process may batch requests */
-#define BLK_BATCH_TIME (HZ/50UL)
-
-/* Number of requests a "batching" process may submit */
-#define BLK_BATCH_REQ 32
+#include <linux/blk-mq.h>
extern struct kmem_cache *blk_requestq_cachep;
extern struct kobj_type blk_queue_ktype;
extern struct ida blk_queue_ida;
static inline void __blk_get_queue(struct request_queue *q)
{
kobject_get(&q->kobj);
}
@@ -93,53 +89,55 @@ static inline struct request *__elv_next_request(struct request_queue *q)
q->flush_queue_delayed = 1;
return NULL;
}
if (unlikely(blk_queue_dead(q)) ||
!q->elevator->type->ops.elevator_dispatch_fn(q, 0))
return NULL;
}
}
-static inline void elv_activate_rq(struct request_queue *q, struct request *rq)
+static inline void elv_activate_rq(struct request *rq)
{
+ struct request_queue *q = rq->queue_ctx->queue;
struct elevator_queue *e = q->elevator;
if (e->type->ops.elevator_activate_req_fn)
e->type->ops.elevator_activate_req_fn(q, rq);
}
-static inline void elv_deactivate_rq(struct request_queue *q, struct request *rq)
+static inline void elv_deactivate_rq(struct request *rq)
{
+ struct request_queue *q = rq->queue_ctx->queue;
struct elevator_queue *e = q->elevator;
if (e->type->ops.elevator_deactivate_req_fn)
e->type->ops.elevator_deactivate_req_fn(q, rq);
}
#ifdef CONFIG_FAIL_IO_TIMEOUT
int blk_should_fake_timeout(struct request_queue *);
ssize_t part_timeout_show(struct device *, struct device_attribute *, char *);
ssize_t part_timeout_store(struct device *, struct device_attribute *,
const char *, size_t);
#else
static inline int blk_should_fake_timeout(struct request_queue *q)
{
return 0;
}
#endif
-int ll_back_merge_fn(struct request_queue *q, struct request *req,
+int ll_back_merge_fn(struct blk_queue_ctx *ctx, struct request *req,
struct bio *bio);
-int ll_front_merge_fn(struct request_queue *q, struct request *req,
+int ll_front_merge_fn(struct blk_queue_ctx *ctx, struct request *req,
struct bio *bio);
-int attempt_back_merge(struct request_queue *q, struct request *rq);
-int attempt_front_merge(struct request_queue *q, struct request *rq);
-int blk_attempt_req_merge(struct request_queue *q, struct request *rq,
+int attempt_back_merge(struct blk_queue_ctx *ctx, struct request *rq);
+int attempt_front_merge(struct blk_queue_ctx *ctx, struct request *rq);
+int blk_attempt_req_merge(struct blk_queue_ctx *ctx, struct request *rq,
struct request *next);
void blk_recalc_rq_segments(struct request *rq);
void blk_rq_set_mixed_merge(struct request *rq);
bool blk_rq_merge_ok(struct request *rq, struct bio *bio);
int blk_try_merge(struct request *rq, struct bio *bio);
void blk_queue_congestion_threshold(struct request_queue *q);
int blk_dev_init(void);
diff --git a/block/bsg-lib.c b/block/bsg-lib.c
index 7ad49c8..5d20741 100644
--- a/block/bsg-lib.c
+++ b/block/bsg-lib.c
@@ -16,18 +16,19 @@
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <linux/slab.h>
#include <linux/blkdev.h>
+#include <linux/blk-mq.h>
#include <linux/delay.h>
#include <linux/scatterlist.h>
#include <linux/bsg-lib.h>
#include <linux/export.h>
#include <scsi/scsi_cmnd.h>
/**
* bsg_destroy_job - routine to teardown/delete a bsg job
* @job: bsg_job that is to be torn down
@@ -91,32 +92,32 @@ static int bsg_map_buffer(struct bsg_buffer *buf, struct request *req)
{
size_t sz = (sizeof(struct scatterlist) * req->nr_phys_segments);
BUG_ON(!req->nr_phys_segments);
buf->sg_list = kzalloc(sz, GFP_KERNEL);
if (!buf->sg_list)
return -ENOMEM;
sg_init_table(buf->sg_list, req->nr_phys_segments);
- buf->sg_cnt = blk_rq_map_sg(req->q, req, buf->sg_list);
+ buf->sg_cnt = blk_rq_map_sg(req, buf->sg_list);
buf->payload_len = blk_rq_bytes(req);
return 0;
}
/**
* bsg_create_job - create the bsg_job structure for the bsg request
* @dev: device that is being sent the bsg request
* @req: BSG request that needs a job structure
*/
static int bsg_create_job(struct device *dev, struct request *req)
{
struct request *rsp = req->next_rq;
- struct request_queue *q = req->q;
+ struct request_queue *q = req->queue_ctx->queue;
struct bsg_job *job;
int ret;
BUG_ON(req->special);
job = kzalloc(sizeof(struct bsg_job) + q->bsg_job_size, GFP_KERNEL);
if (!job)
return -ENOMEM;
@@ -264,20 +265,19 @@ void bsg_remove_queue(struct request_queue *q)
blk_stop_queue(q);
/* drain all requests in the queue */
while (1) {
/* need the lock to fetch a request
* this may fetch the same reqeust as the previous pass
*/
req = blk_fetch_request(q);
/* save requests in use and starved */
- counts = q->rq.count[0] + q->rq.count[1] +
- q->rq.starved[0] + q->rq.starved[1];
+ counts = queue_rq_queued(q) + queue_rq_starved(q);
spin_unlock_irq(q->queue_lock);
/* any requests still outstanding? */
if (counts == 0)
break;
/* This may be the same req as the previous iteration,
* always send the blk_end_request_all after a prefetch.
* It is not okay to not end the request because the
* prefetch started the request.
diff --git a/block/elevator.c b/block/elevator.c
index f016855..0b4e907 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -52,23 +52,23 @@ static const int elv_hash_shift = 6;
#define ELV_HASH_ENTRIES (1 << elv_hash_shift)
#define rq_hash_key(rq) (blk_rq_pos(rq) + blk_rq_sectors(rq))
/*
* Query io scheduler to see if the current process issuing bio may be
* merged with rq.
*/
static int elv_iosched_allow_merge(struct request *rq, struct bio *bio)
{
- struct request_queue *q = rq->q;
- struct elevator_queue *e = q->elevator;
+ struct blk_queue_ctx *ctx = rq->queue_ctx;
+ struct elevator_queue *e = ctx->queue->elevator;
if (e->type->ops.elevator_allow_merge_fn)
- return e->type->ops.elevator_allow_merge_fn(q, rq, bio);
+ return e->type->ops.elevator_allow_merge_fn(ctx, rq, bio);
return 1;
}
/*
* can we safely merge with this request?
*/
bool elv_rq_merge_ok(struct request *rq, struct bio *bio)
{
@@ -116,23 +116,47 @@ static struct elevator_type *elevator_get(const char *name)
if (e && !try_module_get(e->elevator_owner))
e = NULL;
spin_unlock(&elv_list_lock);
return e;
}
static int elevator_init_queue(struct request_queue *q,
- struct elevator_queue *eq)
+ struct elevator_queue *eq,
+ unsigned int nr_queues)
{
- eq->elevator_data = eq->type->ops.elevator_init_fn(q);
- if (eq->elevator_data)
- return 0;
+ unsigned int i, j, hash_size;
+ struct blk_queue_ctx *ctx;
+ int ret;
+
+ ret = eq->type->ops.elevator_init_fn(q, nr_queues);
+ if (ret)
+ return ret;
+
+ hash_size = sizeof(struct hlist_head) * ELV_HASH_ENTRIES;
+ queue_for_each_ctx(q, ctx, i) {
+ ctx->hash = kmalloc_node(hash_size, GFP_KERNEL, q->node);
+ if (!ctx->hash)
+ goto err;
+
+ for (j = 0; j < ELV_HASH_ENTRIES; j++)
+ INIT_HLIST_HEAD(&ctx->hash[j]);
+ }
+
+ q->nr_queues = i;
+ return 0;
+err:
+ while (i--) {
+ ctx = blk_get_ctx(q, i);
+ kfree(ctx->hash);
+ }
+
return -ENOMEM;
}
static char chosen_elevator[ELV_NAME_MAX];
static int __init elevator_setup(char *str)
{
/*
* Be backwards-compatible with previous kernels, so users
@@ -144,64 +168,51 @@ static int __init elevator_setup(char *str)
__setup("elevator=", elevator_setup);
static struct kobj_type elv_ktype;
static struct elevator_queue *elevator_alloc(struct request_queue *q,
struct elevator_type *e)
{
struct elevator_queue *eq;
- int i;
eq = kmalloc_node(sizeof(*eq), GFP_KERNEL | __GFP_ZERO, q->node);
- if (unlikely(!eq))
- goto err;
-
- eq->type = e;
- kobject_init(&eq->kobj, &elv_ktype);
- mutex_init(&eq->sysfs_lock);
-
- eq->hash = kmalloc_node(sizeof(struct hlist_head) * ELV_HASH_ENTRIES,
- GFP_KERNEL, q->node);
- if (!eq->hash)
- goto err;
+ if (eq) {
+ eq->type = e;
+ kobject_init(&eq->kobj, &elv_ktype);
+ mutex_init(&eq->sysfs_lock);
- for (i = 0; i < ELV_HASH_ENTRIES; i++)
- INIT_HLIST_HEAD(&eq->hash[i]);
+ return eq;
+ }
- return eq;
-err:
- kfree(eq);
elevator_put(e);
return NULL;
}
static void elevator_release(struct kobject *kobj)
{
struct elevator_queue *e;
e = container_of(kobj, struct elevator_queue, kobj);
elevator_put(e->type);
- kfree(e->hash);
kfree(e);
}
int elevator_init(struct request_queue *q, char *name)
{
struct elevator_type *e = NULL;
struct elevator_queue *eq;
int err;
if (unlikely(q->elevator))
return 0;
INIT_LIST_HEAD(&q->queue_head);
- q->last_merge = NULL;
q->end_sector = 0;
q->boundary_rq = NULL;
if (name) {
e = elevator_get(name);
if (!e)
return -EINVAL;
}
@@ -220,72 +231,81 @@ int elevator_init(struct request_queue *q, char *name)
"Using noop.\n");
e = elevator_get("noop");
}
}
eq = elevator_alloc(q, e);
if (!eq)
return -ENOMEM;
- err = elevator_init_queue(q, eq);
+ err = elevator_init_queue(q, eq, 1);
if (err) {
kobject_put(&eq->kobj);
return err;
}
q->elevator = eq;
return 0;
}
EXPORT_SYMBOL(elevator_init);
-void elevator_exit(struct elevator_queue *e)
+void elevator_exit(struct request_queue *q, struct elevator_queue *e)
{
+ struct blk_queue_ctx *ctx;
+ unsigned int i;
+
mutex_lock(&e->sysfs_lock);
if (e->type->ops.elevator_exit_fn)
- e->type->ops.elevator_exit_fn(e);
+ e->type->ops.elevator_exit_fn(q, e);
mutex_unlock(&e->sysfs_lock);
+ queue_for_each_ctx(q, ctx, i)
+ kfree(ctx->hash);
+
kobject_put(&e->kobj);
}
EXPORT_SYMBOL(elevator_exit);
static inline void __elv_rqhash_del(struct request *rq)
{
+ lockdep_assert_held(&rq->queue_ctx->lock);
hlist_del_init(&rq->hash);
}
-static void elv_rqhash_del(struct request_queue *q, struct request *rq)
+static void elv_rqhash_del(struct request *rq)
{
if (ELV_ON_HASH(rq))
__elv_rqhash_del(rq);
}
-static void elv_rqhash_add(struct request_queue *q, struct request *rq)
+static void elv_rqhash_add(struct blk_queue_ctx *ctx, struct request *rq)
{
- struct elevator_queue *e = q->elevator;
-
+ lockdep_assert_held(&ctx->lock);
BUG_ON(ELV_ON_HASH(rq));
- hlist_add_head(&rq->hash, &e->hash[ELV_HASH_FN(rq_hash_key(rq))]);
+ hlist_add_head(&rq->hash, &ctx->hash[ELV_HASH_FN(rq_hash_key(rq))]);
}
-static void elv_rqhash_reposition(struct request_queue *q, struct request *rq)
+static void elv_rqhash_reposition(struct blk_queue_ctx *ctx, struct request *rq)
{
+ lockdep_assert_held(&ctx->lock);
__elv_rqhash_del(rq);
- elv_rqhash_add(q, rq);
+ elv_rqhash_add(ctx, rq);
}
-static struct request *elv_rqhash_find(struct request_queue *q, sector_t offset)
+static struct request *elv_rqhash_find(struct blk_queue_ctx *ctx,
+ sector_t offset)
{
- struct elevator_queue *e = q->elevator;
- struct hlist_head *hash_list = &e->hash[ELV_HASH_FN(offset)];
+ struct hlist_head *hash_list = &ctx->hash[ELV_HASH_FN(offset)];
struct hlist_node *entry, *next;
struct request *rq;
+ lockdep_assert_held(&ctx->lock);
+
hlist_for_each_entry_safe(rq, entry, next, hash_list, hash) {
BUG_ON(!ELV_ON_HASH(rq));
if (unlikely(!rq_mergeable(rq))) {
__elv_rqhash_del(rq);
continue;
}
if (rq_hash_key(rq) == offset)
@@ -299,35 +319,39 @@ static struct request *elv_rqhash_find(struct request_queue *q, sector_t offset)
* RB-tree support functions for inserting/lookup/removal of requests
* in a sorted RB tree.
*/
void elv_rb_add(struct rb_root *root, struct request *rq)
{
struct rb_node **p = &root->rb_node;
struct rb_node *parent = NULL;
struct request *__rq;
+ lockdep_assert_held(&rq->queue_ctx->lock);
+
while (*p) {
parent = *p;
__rq = rb_entry(parent, struct request, rb_node);
if (blk_rq_pos(rq) < blk_rq_pos(__rq))
p = &(*p)->rb_left;
else if (blk_rq_pos(rq) >= blk_rq_pos(__rq))
p = &(*p)->rb_right;
}
rb_link_node(&rq->rb_node, parent, p);
rb_insert_color(&rq->rb_node, root);
}
EXPORT_SYMBOL(elv_rb_add);
void elv_rb_del(struct rb_root *root, struct request *rq)
{
+ lockdep_assert_held(&rq->queue_ctx->lock);
+
BUG_ON(RB_EMPTY_NODE(&rq->rb_node));
rb_erase(&rq->rb_node, root);
RB_CLEAR_NODE(&rq->rb_node);
}
EXPORT_SYMBOL(elv_rb_del);
struct request *elv_rb_find(struct rb_root *root, sector_t sector)
{
struct rb_node *n = root->rb_node;
@@ -344,33 +368,37 @@ struct request *elv_rb_find(struct rb_root *root, sector_t sector)
return rq;
}
return NULL;
}
EXPORT_SYMBOL(elv_rb_find);
/*
* Insert rq into dispatch queue of q. Queue lock must be held on
- * entry. rq is sort instead into the dispatch queue. To be used by
+ * entry. rq is sort inserted into the dispatch queue. To be used by
* specific elevators.
*/
-void elv_dispatch_sort(struct request_queue *q, struct request *rq)
+void elv_dispatch_sort(struct request_queue *q, struct blk_queue_ctx *ctx,
+ struct request *rq)
{
sector_t boundary;
struct list_head *entry;
int stop_flags;
- if (q->last_merge == rq)
- q->last_merge = NULL;
+ assert_spin_locked(&ctx->lock);
+ assert_spin_locked(&ctx->lock);
- elv_rqhash_del(q, rq);
+ if (ctx->last_merge == rq)
+ ctx->last_merge = NULL;
- q->nr_sorted--;
+ elv_rqhash_del(rq);
+
+ ctx->nr_sorted--;
boundary = q->end_sector;
stop_flags = REQ_SOFTBARRIER | REQ_STARTED;
list_for_each_prev(entry, &q->queue_head) {
struct request *pos = list_entry_rq(entry);
if ((rq->cmd_flags & REQ_DISCARD) !=
(pos->cmd_flags & REQ_DISCARD))
break;
@@ -392,181 +420,206 @@ void elv_dispatch_sort(struct request_queue *q, struct request *rq)
list_add(&rq->queuelist, entry);
}
EXPORT_SYMBOL(elv_dispatch_sort);
/*
* Insert rq into dispatch queue of q. Queue lock must be held on
* entry. rq is added to the back of the dispatch queue. To be used by
* specific elevators.
*/
-void elv_dispatch_add_tail(struct request_queue *q, struct request *rq)
+void elv_dispatch_add_tail(struct request_queue *q, struct blk_queue_ctx *ctx,
+ struct request *rq)
{
- if (q->last_merge == rq)
- q->last_merge = NULL;
+ assert_spin_locked(q->queue_lock);
+ assert_spin_locked(&ctx->lock);
+
+ if (ctx->last_merge == rq)
+ ctx->last_merge = NULL;
- elv_rqhash_del(q, rq);
+ elv_rqhash_del(rq);
- q->nr_sorted--;
+ ctx->nr_sorted--;
q->end_sector = rq_end_sector(rq);
q->boundary_rq = rq;
list_add_tail(&rq->queuelist, &q->queue_head);
}
EXPORT_SYMBOL(elv_dispatch_add_tail);
-int elv_merge(struct request_queue *q, struct request **req, struct bio *bio)
+int elv_merge(struct blk_queue_ctx *ctx, struct request **req, struct bio *bio)
{
+ struct request_queue *q = ctx->queue;
struct elevator_queue *e = q->elevator;
struct request *__rq;
int ret;
+ assert_spin_locked(&ctx->lock);
+
/*
* Levels of merges:
* nomerges: No merges at all attempted
* noxmerges: Only simple one-hit cache try
* merges: All merge tries attempted
*/
if (blk_queue_nomerges(q))
return ELEVATOR_NO_MERGE;
/*
* First try one-hit cache.
*/
- if (q->last_merge && elv_rq_merge_ok(q->last_merge, bio)) {
- ret = blk_try_merge(q->last_merge, bio);
+ if (ctx->last_merge && elv_rq_merge_ok(ctx->last_merge, bio)) {
+ ret = blk_try_merge(ctx->last_merge, bio);
if (ret != ELEVATOR_NO_MERGE) {
- *req = q->last_merge;
+ *req = ctx->last_merge;
return ret;
}
}
if (blk_queue_noxmerges(q))
return ELEVATOR_NO_MERGE;
/*
* See if our hash lookup can find a potential backmerge.
*/
- __rq = elv_rqhash_find(q, bio->bi_sector);
+ __rq = elv_rqhash_find(ctx, bio->bi_sector);
if (__rq && elv_rq_merge_ok(__rq, bio)) {
*req = __rq;
return ELEVATOR_BACK_MERGE;
}
if (e->type->ops.elevator_merge_fn)
- return e->type->ops.elevator_merge_fn(q, req, bio);
+ return e->type->ops.elevator_merge_fn(ctx, req, bio);
return ELEVATOR_NO_MERGE;
}
/*
* Attempt to do an insertion back merge. Only check for the case where
* we can append 'rq' to an existing request, so we can throw 'rq' away
* afterwards.
*
* Returns true if we merged, false otherwise
*/
-static bool elv_attempt_insert_merge(struct request_queue *q,
+static bool elv_attempt_insert_merge(struct blk_queue_ctx *ctx,
struct request *rq)
{
+ struct request_queue *q = ctx->queue;
struct request *__rq;
if (blk_queue_nomerges(q))
return false;
/*
* First try one-hit cache.
*/
- if (q->last_merge && blk_attempt_req_merge(q, q->last_merge, rq))
+ if (ctx->last_merge && blk_attempt_req_merge(ctx, ctx->last_merge, rq))
return true;
if (blk_queue_noxmerges(q))
return false;
/*
* See if our hash lookup can find a potential backmerge.
*/
- __rq = elv_rqhash_find(q, blk_rq_pos(rq));
- if (__rq && blk_attempt_req_merge(q, __rq, rq))
+ __rq = elv_rqhash_find(ctx, blk_rq_pos(rq));
+ if (__rq && blk_attempt_req_merge(ctx, __rq, rq))
return true;
return false;
}
-void elv_merged_request(struct request_queue *q, struct request *rq, int type)
+void elv_merged_request(struct blk_queue_ctx *ctx, struct request *rq, int type)
{
- struct elevator_queue *e = q->elevator;
+ struct elevator_queue *e = ctx->queue->elevator;
+
+ lockdep_assert_held(&ctx->lock);
if (e->type->ops.elevator_merged_fn)
- e->type->ops.elevator_merged_fn(q, rq, type);
+ e->type->ops.elevator_merged_fn(ctx, rq, type);
if (type == ELEVATOR_BACK_MERGE)
- elv_rqhash_reposition(q, rq);
+ elv_rqhash_reposition(ctx, rq);
- q->last_merge = rq;
+ ctx->last_merge = rq;
}
-void elv_merge_requests(struct request_queue *q, struct request *rq,
+void elv_merge_requests(struct blk_queue_ctx *ctx, struct request *rq,
struct request *next)
{
- struct elevator_queue *e = q->elevator;
+ struct elevator_queue *e = ctx->queue->elevator;
const int next_sorted = next->cmd_flags & REQ_SORTED;
+ BUG_ON(rq->queue_ctx != next->queue_ctx);
+ lockdep_assert_held(&ctx->lock);
+
if (next_sorted && e->type->ops.elevator_merge_req_fn)
- e->type->ops.elevator_merge_req_fn(q, rq, next);
+ e->type->ops.elevator_merge_req_fn(ctx, rq, next);
- elv_rqhash_reposition(q, rq);
+ elv_rqhash_reposition(ctx, rq);
if (next_sorted) {
- elv_rqhash_del(q, next);
- q->nr_sorted--;
+ elv_rqhash_del(next);
+ ctx->nr_sorted--;
}
- q->last_merge = rq;
+ ctx->last_merge = rq;
}
-void elv_bio_merged(struct request_queue *q, struct request *rq,
+void elv_bio_merged(struct blk_queue_ctx *ctx, struct request *rq,
struct bio *bio)
{
- struct elevator_queue *e = q->elevator;
+ struct elevator_queue *e = ctx->queue->elevator;
+
+ lockdep_assert_held(&ctx->lock);
if (e->type->ops.elevator_bio_merged_fn)
- e->type->ops.elevator_bio_merged_fn(q, rq, bio);
+ e->type->ops.elevator_bio_merged_fn(ctx, rq, bio);
}
void elv_requeue_request(struct request_queue *q, struct request *rq)
{
/*
* it already went through dequeue, we need to decrement the
* in_flight count again
*/
if (blk_account_rq(rq)) {
- q->in_flight[rq_is_sync(rq)]--;
+ struct blk_queue_ctx *ctx = rq->queue_ctx;
+
+ spin_lock(&ctx->lock);
+ ctx->in_flight[rq_is_sync(rq)]--;
+ spin_unlock(&ctx->lock);
+
if (rq->cmd_flags & REQ_SORTED)
- elv_deactivate_rq(q, rq);
+ elv_deactivate_rq(rq);
}
rq->cmd_flags &= ~REQ_STARTED;
- __elv_add_request(q, rq, ELEVATOR_INSERT_REQUEUE);
+ __elv_add_request(rq, ELEVATOR_INSERT_REQUEUE);
}
void elv_drain_elevator(struct request_queue *q)
{
+ struct blk_queue_ctx *ctx;
static int printed;
+ int nr_sorted, i;
lockdep_assert_held(q->queue_lock);
while (q->elevator->type->ops.elevator_dispatch_fn(q, 1))
;
- if (q->nr_sorted && printed++ < 10) {
+ nr_sorted = 0;
+ queue_for_each_ctx(q, ctx, i)
+ nr_sorted += ctx->nr_sorted;
+ if (nr_sorted && printed++ < 10) {
printk(KERN_ERR "%s: forced dispatching is broken "
"(nr_sorted=%u), please report this\n",
- q->elevator->type->elevator_name, q->nr_sorted);
+ q->elevator->type->elevator_name, nr_sorted);
}
}
void elv_quiesce_start(struct request_queue *q)
{
if (!q->elevator)
return;
spin_lock_irq(q->queue_lock);
@@ -577,139 +630,149 @@ void elv_quiesce_start(struct request_queue *q)
}
void elv_quiesce_end(struct request_queue *q)
{
spin_lock_irq(q->queue_lock);
queue_flag_clear(QUEUE_FLAG_ELVSWITCH, q);
spin_unlock_irq(q->queue_lock);
}
-void __elv_add_request(struct request_queue *q, struct request *rq, int where)
+void __elv_add_request(struct request *rq, int where)
{
+ struct blk_queue_ctx *ctx = rq->queue_ctx;
+ struct request_queue *q = ctx->queue;
+
+ lockdep_assert_held(&ctx->lock);
+
trace_block_rq_insert(q, rq);
- rq->q = q;
+ BUG_ON(ctx != rq->queue_ctx);
if (rq->cmd_flags & REQ_SOFTBARRIER) {
/* barriers are scheduling boundary, update end_sector */
if (rq->cmd_type == REQ_TYPE_FS ||
(rq->cmd_flags & REQ_DISCARD)) {
q->end_sector = rq_end_sector(rq);
q->boundary_rq = rq;
}
} else if (!(rq->cmd_flags & REQ_ELVPRIV) &&
(where == ELEVATOR_INSERT_SORT ||
where == ELEVATOR_INSERT_SORT_MERGE))
where = ELEVATOR_INSERT_BACK;
switch (where) {
case ELEVATOR_INSERT_REQUEUE:
case ELEVATOR_INSERT_FRONT:
rq->cmd_flags |= REQ_SOFTBARRIER;
+ queue_ctx_lock_queue(q, ctx);
list_add(&rq->queuelist, &q->queue_head);
+ queue_ctx_unlock_queue(q, ctx);
break;
case ELEVATOR_INSERT_BACK:
rq->cmd_flags |= REQ_SOFTBARRIER;
+ queue_ctx_lock_queue(q, ctx);
elv_drain_elevator(q);
list_add_tail(&rq->queuelist, &q->queue_head);
/*
* We kick the queue here for the following reasons.
* - The elevator might have returned NULL previously
* to delay requests and returned them now. As the
* queue wasn't empty before this request, ll_rw_blk
* won't run the queue on return, resulting in hang.
* - Usually, back inserted requests won't be merged
* with anything. There's no point in delaying queue
* processing.
*/
__blk_run_queue(q);
+ queue_ctx_unlock_queue(q, ctx);
break;
case ELEVATOR_INSERT_SORT_MERGE:
/*
* If we succeed in merging this request with one in the
* queue already, we are done - rq has now been freed,
* so no need to do anything further.
*/
- if (elv_attempt_insert_merge(q, rq))
+ if (elv_attempt_insert_merge(ctx, rq))
break;
case ELEVATOR_INSERT_SORT:
BUG_ON(rq->cmd_type != REQ_TYPE_FS &&
!(rq->cmd_flags & REQ_DISCARD));
rq->cmd_flags |= REQ_SORTED;
- q->nr_sorted++;
+ ctx->nr_sorted++;
if (rq_mergeable(rq)) {
- elv_rqhash_add(q, rq);
- if (!q->last_merge)
- q->last_merge = rq;
+ elv_rqhash_add(ctx, rq);
+ if (!ctx->last_merge)
+ ctx->last_merge = rq;
}
/*
* Some ioscheds (cfq) run q->request_fn directly, so
* rq cannot be accessed after calling
* elevator_add_req_fn.
*/
- q->elevator->type->ops.elevator_add_req_fn(q, rq);
+ ctx->queue->elevator->type->ops.elevator_add_req_fn(ctx, rq);
break;
case ELEVATOR_INSERT_FLUSH:
rq->cmd_flags |= REQ_SOFTBARRIER;
blk_insert_flush(rq);
break;
default:
printk(KERN_ERR "%s: bad insertion point %d\n",
__func__, where);
BUG();
}
}
EXPORT_SYMBOL(__elv_add_request);
-void elv_add_request(struct request_queue *q, struct request *rq, int where)
+void elv_add_request(struct request *rq, int where)
{
+ struct blk_queue_ctx *ctx = rq->queue_ctx;
unsigned long flags;
- spin_lock_irqsave(q->queue_lock, flags);
- __elv_add_request(q, rq, where);
- spin_unlock_irqrestore(q->queue_lock, flags);
+ spin_lock_irqsave(&ctx->lock, flags);
+ __elv_add_request(rq, where);
+ spin_unlock_irqrestore(&ctx->lock, flags);
}
EXPORT_SYMBOL(elv_add_request);
-struct request *elv_latter_request(struct request_queue *q, struct request *rq)
+struct request *elv_latter_request(struct blk_queue_ctx *ctx, struct request *rq)
{
- struct elevator_queue *e = q->elevator;
+ struct elevator_queue *e = ctx->queue->elevator;
if (e->type->ops.elevator_latter_req_fn)
- return e->type->ops.elevator_latter_req_fn(q, rq);
+ return e->type->ops.elevator_latter_req_fn(ctx, rq);
return NULL;
}
-struct request *elv_former_request(struct request_queue *q, struct request *rq)
+struct request *elv_former_request(struct blk_queue_ctx *ctx, struct request *rq)
{
- struct elevator_queue *e = q->elevator;
+ struct elevator_queue *e = ctx->queue->elevator;
if (e->type->ops.elevator_former_req_fn)
- return e->type->ops.elevator_former_req_fn(q, rq);
+ return e->type->ops.elevator_former_req_fn(ctx, rq);
return NULL;
}
-int elv_set_request(struct request_queue *q, struct request *rq, gfp_t gfp_mask)
+int elv_set_request(struct blk_queue_ctx *ctx, struct request *rq, gfp_t gfp_mask)
{
- struct elevator_queue *e = q->elevator;
+ struct elevator_queue *e = ctx->queue->elevator;
if (e->type->ops.elevator_set_req_fn)
- return e->type->ops.elevator_set_req_fn(q, rq, gfp_mask);
+ return e->type->ops.elevator_set_req_fn(ctx, rq, gfp_mask);
return 0;
}
-void elv_put_request(struct request_queue *q, struct request *rq)
+void elv_put_request(struct blk_queue_ctx *ctx, struct request *rq)
{
- struct elevator_queue *e = q->elevator;
+ struct elevator_queue *e = ctx->queue->elevator;
if (e->type->ops.elevator_put_req_fn)
e->type->ops.elevator_put_req_fn(rq);
}
int elv_may_queue(struct request_queue *q, int rw)
{
struct elevator_queue *e = q->elevator;
@@ -733,30 +796,31 @@ void elv_abort_queue(struct request_queue *q)
* Mark this request as started so we don't trigger
* any debug logic in the end I/O path.
*/
blk_start_request(rq);
__blk_end_request_all(rq, -EIO);
}
}
EXPORT_SYMBOL(elv_abort_queue);
-void elv_completed_request(struct request_queue *q, struct request *rq)
+void elv_completed_request(struct request *rq)
{
- struct elevator_queue *e = q->elevator;
+ struct blk_queue_ctx *ctx = rq->queue_ctx;
+ struct elevator_queue *e = ctx->queue->elevator;
/*
* request is released from the driver, io must be done
*/
if (blk_account_rq(rq)) {
- q->in_flight[rq_is_sync(rq)]--;
+ ctx->in_flight[rq_is_sync(rq)]--;
if ((rq->cmd_flags & REQ_SORTED) &&
e->type->ops.elevator_completed_req_fn)
- e->type->ops.elevator_completed_req_fn(q, rq);
+ e->type->ops.elevator_completed_req_fn(ctx, rq);
}
}
#define to_elv(atr) container_of((atr), struct elv_fs_entry, attr)
static ssize_t
elv_attr_show(struct kobject *kobj, struct attribute *attr, char *page)
{
struct elv_fs_entry *entry = to_elv(attr);
@@ -909,19 +973,19 @@ static int elevator_switch(struct request_queue *q, struct elevator_type *new_e)
{
struct elevator_queue *old_elevator, *e;
int err;
/* allocate new elevator */
e = elevator_alloc(q, new_e);
if (!e)
return -ENOMEM;
- err = elevator_init_queue(q, e);
+ err = elevator_init_queue(q, e, 1);
if (err) {
kobject_put(&e->kobj);
return err;
}
/* turn on BYPASS and drain all requests w/ elevator private data */
elv_quiesce_start(q);
/* unregister old queue, register new one and kill old elevator */
@@ -933,31 +997,31 @@ static int elevator_switch(struct request_queue *q, struct elevator_type *new_e)
}
/* done, clear io_cq's, switch elevators and turn off BYPASS */
spin_lock_irq(q->queue_lock);
ioc_clear_queue(q);
old_elevator = q->elevator;
q->elevator = e;
spin_unlock_irq(q->queue_lock);
- elevator_exit(old_elevator);
+ elevator_exit(q, old_elevator);
elv_quiesce_end(q);
blk_add_trace_msg(q, "elv switch: %s", e->type->elevator_name);
return 0;
fail_register:
/*
* switch failed, exit the new io scheduler and reattach the old
* one again (along with re-adding the sysfs dir)
*/
- elevator_exit(e);
+ elevator_exit(q, e);
elv_register_queue(q);
elv_quiesce_end(q);
return err;
}
/*
* Switch this queue to the given IO scheduler.
*/
@@ -1020,32 +1084,30 @@ ssize_t elv_iosched_show(struct request_queue *q, char *name)
else
len += sprintf(name+len, "%s ", __e->elevator_name);
}
spin_unlock(&elv_list_lock);
len += sprintf(len+name, "\n");
return len;
}
-struct request *elv_rb_former_request(struct request_queue *q,
- struct request *rq)
+struct request *elv_rb_former_request(struct request *rq)
{
struct rb_node *rbprev = rb_prev(&rq->rb_node);
if (rbprev)
return rb_entry_rq(rbprev);
return NULL;
}
EXPORT_SYMBOL(elv_rb_former_request);
-struct request *elv_rb_latter_request(struct request_queue *q,
- struct request *rq)
+struct request *elv_rb_latter_request(struct request *rq)
{
struct rb_node *rbnext = rb_next(&rq->rb_node);
if (rbnext)
return rb_entry_rq(rbnext);
return NULL;
}
EXPORT_SYMBOL(elv_rb_latter_request);
diff --git a/block/noop-iosched.c b/block/noop-iosched.c
index 413a0b1..d36d867 100644
--- a/block/noop-iosched.c
+++ b/block/noop-iosched.c
@@ -1,87 +1,121 @@
/*
* elevator noop
*/
#include <linux/blkdev.h>
+#include <linux/blk-mq.h>
#include <linux/elevator.h>
#include <linux/bio.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/init.h>
struct noop_data {
struct list_head queue;
};
-static void noop_merged_requests(struct request_queue *q, struct request *rq,
+static void noop_merged_requests(struct blk_queue_ctx *ctx, struct request *rq,
struct request *next)
{
+ lockdep_assert_held(&ctx->lock);
list_del_init(&next->queuelist);
}
static int noop_dispatch(struct request_queue *q, int force)
{
- struct noop_data *nd = q->elevator->elevator_data;
+ struct blk_queue_ctx *ctx;
+ struct noop_data *nd;
+ unsigned int i, dispatched = 0;
- if (!list_empty(&nd->queue)) {
+ /*
+ * This obviously needs to me made more clever...
+ */
+ queue_for_each_ctx(q, ctx, i) {
struct request *rq;
+
+ nd = ctx->elevator_data;
+ if (list_empty(&nd->queue))
+ continue;
+
+ spin_lock(&ctx->lock);
rq = list_entry(nd->queue.next, struct request, queuelist);
list_del_init(&rq->queuelist);
- elv_dispatch_sort(q, rq);
- return 1;
+ BUG_ON(rq->queue_ctx != ctx);
+ elv_dispatch_sort(q, ctx, rq);
+ spin_unlock(&ctx->lock);
+ dispatched++;
}
- return 0;
+
+ return dispatched;
}
-static void noop_add_request(struct request_queue *q, struct request *rq)
+static void noop_add_request(struct blk_queue_ctx *ctx, struct request *rq)
{
- struct noop_data *nd = q->elevator->elevator_data;
+ struct noop_data *nd = ctx->elevator_data;
+ lockdep_assert_held(&ctx->lock);
list_add_tail(&rq->queuelist, &nd->queue);
}
static struct request *
-noop_former_request(struct request_queue *q, struct request *rq)
+noop_former_request(struct blk_queue_ctx *ctx, struct request *rq)
{
- struct noop_data *nd = q->elevator->elevator_data;
+ struct noop_data *nd = ctx->elevator_data;
if (rq->queuelist.prev == &nd->queue)
return NULL;
return list_entry(rq->queuelist.prev, struct request, queuelist);
}
static struct request *
-noop_latter_request(struct request_queue *q, struct request *rq)
+noop_latter_request(struct blk_queue_ctx *ctx, struct request *rq)
{
- struct noop_data *nd = q->elevator->elevator_data;
+ struct noop_data *nd = ctx->elevator_data;
if (rq->queuelist.next == &nd->queue)
return NULL;
return list_entry(rq->queuelist.next, struct request, queuelist);
}
-static void *noop_init_queue(struct request_queue *q)
+static int noop_init_queue(struct request_queue *q, unsigned int nr_queues)
{
struct noop_data *nd;
+ unsigned int i;
- nd = kmalloc_node(sizeof(*nd), GFP_KERNEL, q->node);
- if (!nd)
- return NULL;
- INIT_LIST_HEAD(&nd->queue);
- return nd;
+ for (i = 0; i < nr_queues; i++) {
+ nd = kmalloc_node(sizeof(*nd), GFP_KERNEL, q->node);
+ if (!nd)
+ goto cleanup;
+
+ INIT_LIST_HEAD(&nd->queue);
+ blk_get_ctx(q, i)->elevator_data = nd;
+ }
+
+ return 0;
+
+cleanup:
+ while (i--)
+ kfree(blk_get_ctx(q, i)->elevator_data);
+
+ return -ENOMEM;
}
-static void noop_exit_queue(struct elevator_queue *e)
+static void noop_exit_queue(struct request_queue *q, struct elevator_queue *e)
{
- struct noop_data *nd = e->elevator_data;
+ struct blk_queue_ctx *ctx;
+ unsigned int i;
+
+ queue_for_each_ctx(q, ctx, i) {
+ struct noop_data *nd = ctx->elevator_data;
- BUG_ON(!list_empty(&nd->queue));
- kfree(nd);
+ BUG_ON(!list_empty(&nd->queue));
+ kfree(nd);
+ }
}
static struct elevator_type elevator_noop = {
.ops = {
.elevator_merge_req_fn = noop_merged_requests,
.elevator_dispatch_fn = noop_dispatch,
.elevator_add_req_fn = noop_add_request,
.elevator_former_req_fn = noop_former_request,
.elevator_latter_req_fn = noop_latter_request,
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 061427a..7d07b44 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -9,18 +9,19 @@
*
* This file is released under GPLv2 or later.
*
* (part of code stolen from loop.c)
*/
#include <linux/major.h>
#include <linux/blkdev.h>
+#include <linux/blk-mq.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/sched.h>
#include <linux/fs.h>
#include <linux/bio.h>
#include <linux/stat.h>
#include <linux/errno.h>
#include <linux/file.h>
#include <linux/ioctl.h>
@@ -98,19 +99,19 @@ static const char *nbdcmd_to_ascii(int cmd)
case NBD_CMD_DISC: return "disconnect";
}
return "invalid";
}
#endif /* NDEBUG */
static void nbd_end_request(struct request *req)
{
int error = req->errors ? -EIO : 0;
- struct request_queue *q = req->q;
+ struct request_queue *q = req->queue_ctx->queue;
unsigned long flags;
dprintk(DBG_BLKDEV, "%s: request %p: %s\n", req->rq_disk->disk_name,
req, error ? "failed" : "done");
spin_lock_irqsave(q->queue_lock, flags);
__blk_end_request_all(req, error);
spin_unlock_irqrestore(q->queue_lock, flags);
}
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 0d39f2f..0894e14 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -152,19 +152,19 @@ static bool do_req(struct request_queue *q, struct virtio_blk *vblk,
/*
* If this is a packet command we need a couple of additional headers.
* Behind the normal outhdr we put a segment with the scsi command
* block, and before the normal inhdr we put the sense data and the
* inhdr with additional status information before the normal inhdr.
*/
if (vbr->req->cmd_type == REQ_TYPE_BLOCK_PC)
sg_set_buf(&vblk->sg[out++], vbr->req->cmd, vbr->req->cmd_len);
- num = blk_rq_map_sg(q, vbr->req, vblk->sg + out);
+ num = blk_rq_map_sg(vbr->req, vblk->sg + out);
if (vbr->req->cmd_type == REQ_TYPE_BLOCK_PC) {
sg_set_buf(&vblk->sg[num + out + in++], vbr->req->sense, SCSI_SENSE_BUFFERSIZE);
sg_set_buf(&vblk->sg[num + out + in++], &vbr->in_hdr,
sizeof(vbr->in_hdr));
}
sg_set_buf(&vblk->sg[num + out + in++], &vbr->status,
sizeof(vbr->status));
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index e24143c..b41345b 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -13,18 +13,19 @@
#include <linux/mutex.h>
#include <linux/moduleparam.h>
#include <linux/blkpg.h>
#include <linux/bio.h>
#include <linux/mempool.h>
#include <linux/slab.h>
#include <linux/idr.h>
#include <linux/hdreg.h>
#include <linux/delay.h>
+#include <linux/blk-mq.h>
#include <trace/events/block.h>
#define DM_MSG_PREFIX "core"
#ifdef CONFIG_PRINTK
/*
* ratelimit state to be used in DMXXX_LIMIT().
*/
@@ -813,19 +814,19 @@ static void dm_unprep_request(struct request *rq)
/*
* Requeue the original request of a clone.
*/
void dm_requeue_unmapped_request(struct request *clone)
{
int rw = rq_data_dir(clone);
struct dm_rq_target_io *tio = clone->end_io_data;
struct mapped_device *md = tio->md;
struct request *rq = tio->orig;
- struct request_queue *q = rq->q;
+ struct request_queue *q = rq->queue_ctx->queue;
unsigned long flags;
dm_unprep_request(rq);
spin_lock_irqsave(q->queue_lock, flags);
blk_requeue_request(q, rq);
spin_unlock_irqrestore(q->queue_lock, flags);
rq_completed(md, rw, 0);
@@ -935,19 +936,19 @@ EXPORT_SYMBOL_GPL(dm_kill_unmapped_request);
*/
static void end_clone_request(struct request *clone, int error)
{
/*
* For just cleaning up the information of the queue in which
* the clone was dispatched.
* The clone is *NOT* freed actually here because it is alloced from
* dm own mempool and REQ_ALLOCED isn't set in clone->cmd_flags.
*/
- __blk_put_request(clone->q, clone);
+ __blk_put_request(clone);
/*
* Actual request completion is done in a softirq context which doesn't
* hold the queue lock. Otherwise, deadlock could occur because:
* - another request may be submitted by the upper level driver
* of the stacking during the completion
* - the submission which requires queue lock may be done
* against this queue
*/
@@ -1442,23 +1443,23 @@ static void dm_request(struct request_queue *q, struct bio *bio)
blk_queue_bio(q, bio);
else
_dm_request(q, bio);
}
void dm_dispatch_request(struct request *rq)
{
int r;
- if (blk_queue_io_stat(rq->q))
+ if (blk_queue_io_stat(rq->queue_ctx->queue))
rq->cmd_flags |= REQ_IO_STAT;
rq->start_time = jiffies;
- r = blk_insert_cloned_request(rq->q, rq);
+ r = blk_insert_cloned_request(rq->queue_ctx->queue, rq);
if (r)
dm_complete_request(rq, r);
}
EXPORT_SYMBOL_GPL(dm_dispatch_request);
static void dm_rq_bio_destructor(struct bio *bio)
{
struct dm_rq_clone_bio_info *info = bio->bi_private;
struct mapped_device *md = info->tio->md;
@@ -1577,19 +1578,19 @@ static int map_request(struct dm_target *ti, struct request *clone,
tio->ti = ti;
r = ti->type->map_rq(ti, clone, &tio->info);
switch (r) {
case DM_MAPIO_SUBMITTED:
/* The target has taken the I/O to submit by itself later */
break;
case DM_MAPIO_REMAPPED:
/* The target has remapped the I/O so dispatch it */
- trace_block_rq_remap(clone->q, clone, disk_devt(dm_disk(md)),
+ trace_block_rq_remap(clone->queue_ctx->queue, clone, disk_devt(dm_disk(md)),
blk_rq_pos(tio->orig));
dm_dispatch_request(clone);
break;
case DM_MAPIO_REQUEUE:
/* The target wants to requeue the I/O */
dm_requeue_unmapped_request(clone);
requeued = 1;
break;
default:
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index 386f0c5..f4765eb 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -1594,19 +1594,19 @@ int scsi_decide_disposition(struct scsi_cmnd *scmd)
/*
* no more retries - report this one back to upper level.
*/
return SUCCESS;
}
}
static void eh_lock_door_done(struct request *req, int uptodate)
{
- __blk_put_request(req->q, req);
+ __blk_put_request(req);
}
/**
* scsi_eh_lock_door - Prevent medium removal for the specified device
* @sdev: SCSI device to prevent medium removal
*
* Locking:
* We must be called from process context.
*
@@ -1632,19 +1632,20 @@ static void scsi_eh_lock_door(struct scsi_device *sdev)
req->cmd[5] = 0;
req->cmd_len = COMMAND_SIZE(req->cmd[0]);
req->cmd_type = REQ_TYPE_BLOCK_PC;
req->cmd_flags |= REQ_QUIET;
req->timeout = 10 * HZ;
req->retries = 5;
- blk_execute_rq_nowait(req->q, NULL, req, 1, eh_lock_door_done);
+ blk_execute_rq_nowait(sdev->request_queue, NULL, req, 1,
+ eh_lock_door_done);
}
/**
* scsi_restart_operations - restart io operations to the specified host.
* @shost: Host we are restarting.
*
* Notes:
* When we entered the error handler, we blocked all further i/o to
* this device. we need to 'reverse' this process.
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index ead6405..b3fa509 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -228,19 +228,19 @@ int scsi_execute(struct scsi_device *sdev, const unsigned char *cmd,
req->sense_len = 0;
req->retries = retries;
req->timeout = timeout;
req->cmd_type = REQ_TYPE_BLOCK_PC;
req->cmd_flags |= flags | REQ_QUIET | REQ_PREEMPT;
/*
* head injection *required* here otherwise quiesce won't work
*/
- blk_execute_rq(req->q, NULL, req, 1);
+ blk_execute_rq(sdev->request_queue, NULL, req, 1);
/*
* Some devices (USB mass-storage in particular) may transfer
* garbage data together with a residue indicating that the data
* is invalid. Prevent the garbage from being misinterpreted
* and prevent security leaks by zeroing out the excess data.
*/
if (unlikely(req->resid_len > 0 && req->resid_len <= bufflen))
memset(buffer + (bufflen - req->resid_len), 0, req->resid_len);
@@ -980,19 +980,19 @@ static int scsi_init_sgtable(struct request *req, struct scsi_data_buffer *sdb,
return BLKPREP_DEFER;
}
req->buffer = NULL;
/*
* Next, walk the list, and fill in the addresses and sizes of
* each segment.
*/
- count = blk_rq_map_sg(req->q, req, sdb->table.sgl);
+ count = blk_rq_map_sg(req, sdb->table.sgl);
BUG_ON(count > sdb->table.nents);
sdb->table.nents = count;
sdb->length = blk_rq_bytes(req);
return BLKPREP_OK;
}
/*
* Function: scsi_init_io()
*
@@ -1022,32 +1022,33 @@ int scsi_init_io(struct scsi_cmnd *cmd, gfp_t gfp_mask)
rq->next_rq->special = bidi_sdb;
error = scsi_init_sgtable(rq->next_rq, bidi_sdb, GFP_ATOMIC);
if (error)
goto err_exit;
}
if (blk_integrity_rq(rq)) {
struct scsi_data_buffer *prot_sdb = cmd->prot_sdb;
+ struct request_queue *q = rq->queue_ctx->queue;
int ivecs, count;
BUG_ON(prot_sdb == NULL);
- ivecs = blk_rq_count_integrity_sg(rq->q, rq->bio);
+ ivecs = blk_rq_count_integrity_sg(q, rq->bio);
if (scsi_alloc_sgtable(prot_sdb, ivecs, gfp_mask)) {
error = BLKPREP_DEFER;
goto err_exit;
}
- count = blk_rq_map_integrity_sg(rq->q, rq->bio,
+ count = blk_rq_map_integrity_sg(q, rq->bio,
prot_sdb->table.sgl);
BUG_ON(unlikely(count > ivecs));
- BUG_ON(unlikely(count > queue_max_integrity_segments(rq->q)));
+ BUG_ON(unlikely(count > queue_max_integrity_segments(q)));
cmd->prot_sdb = prot_sdb;
cmd->prot_sdb->table.nents = count;
}
return BLKPREP_OK ;
err_exit:
scsi_release_buffers(cmd);
diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c
index 80fbe2a..d32564a 100644
--- a/drivers/scsi/scsi_transport_fc.c
+++ b/drivers/scsi/scsi_transport_fc.c
@@ -3657,26 +3657,27 @@ fc_bsg_job_timeout(struct request *req)
return BLK_EH_NOT_HANDLED;
else
return BLK_EH_HANDLED;
}
static int
fc_bsg_map_buffer(struct fc_bsg_buffer *buf, struct request *req)
{
size_t sz = (sizeof(struct scatterlist) * req->nr_phys_segments);
+ struct request_queue *q = req->queue_ctx->queue;
BUG_ON(!req->nr_phys_segments);
buf->sg_list = kzalloc(sz, GFP_KERNEL);
if (!buf->sg_list)
return -ENOMEM;
sg_init_table(buf->sg_list, req->nr_phys_segments);
- buf->sg_cnt = blk_rq_map_sg(req->q, req, buf->sg_list);
+ buf->sg_cnt = blk_rq_map_sg(q, req, buf->sg_list);
buf->payload_len = blk_rq_bytes(req);
return 0;
}
/**
* fc_req_to_bsgjob - Allocate/create the fc_bsg_job structure for the
* bsg request
* @shost: SCSI Host corresponding to the bsg object
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
new file mode 100644
index 0000000..a6f6ae4
--- /dev/null
+++ b/include/linux/blk-mq.h
@@ -0,0 +1,97 @@
+#ifndef BLK_MQ_H
+#define BLK_MQ_H
+
+#include <linux/blkdev.h>
+
+struct request_list {
+ /*
+ * count[], starved[], and wait[] are indexed by
+ * BLK_RW_SYNC/BLK_RW_ASYNC
+ */
+ int count[2];
+ int starved[2];
+ int elvpriv;
+ wait_queue_head_t wait[2];
+};
+
+struct blk_queue_ctx {
+ spinlock_t lock;
+ void *elevator_data;
+ struct request_queue *queue;
+ struct hlist_head *hash;
+
+ struct request *last_merge;
+
+ /*
+ * the queue request freelist, one for reads and one for writes
+ */
+ struct request_list rl;
+
+ unsigned int nr_sorted;
+ unsigned int in_flight[2];
+
+ struct list_head timeout_list;
+};
+
+
+static inline struct blk_queue_ctx *blk_get_ctx(struct request_queue *q, int nr)
+{
+ BUG_ON(nr >= q->nr_queues);
+
+ return &q->queue_ctx[nr];
+}
+
+#define queue_for_each_ctx(q, ctx, i) \
+ for (i = 0, ctx = &(q)->queue_ctx[0]; \
+ i < (q)->nr_queues; i++, ctx++) \
+
+#define blk_ctx_sum(q, sum) \
+({ \
+ struct blk_queue_ctx *__ctx; \
+ unsigned int __ret = 0, __i; \
+ \
+ queue_for_each_ctx((q), __ctx, __i) \
+ __ret += sum; \
+ __ret; \
+})
+
+static inline int __queue_in_flight(struct request_queue *q, int index)
+{
+ return blk_ctx_sum(q, __ctx->in_flight[index]);
+}
+
+static inline int queue_in_flight(struct request_queue *q)
+{
+ return blk_ctx_sum(q, __ctx->in_flight[0] + __ctx->in_flight[1]);
+}
+
+static inline int queue_rq_queued(struct request_queue *q)
+{
+ return blk_ctx_sum(q, __ctx->rl.count[0] + __ctx->rl.count[1]);
+}
+
+static inline int queue_rq_starved(struct request_queue *q)
+{
+ return blk_ctx_sum(q, __ctx->rl.starved[0] + __ctx->rl.starved[1]);
+}
+
+static inline int queue_elvpriv(struct request_queue *q)
+{
+ return blk_ctx_sum(q, __ctx->rl.elvpriv);
+}
+
+static inline void queue_ctx_lock_queue(struct request_queue *q,
+ struct blk_queue_ctx *ctx)
+{
+ spin_unlock(&ctx->lock);
+ spin_lock(q->queue_lock);
+}
+
+static inline void queue_ctx_unlock_queue(struct request_queue *q,
+ struct blk_queue_ctx *ctx)
+{
+ spin_unlock(q->queue_lock);
+ spin_lock(&ctx->lock);
+}
+
+#endif
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 2aa2466..6a3ab7a 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -32,30 +32,18 @@ struct request;
struct sg_io_hdr;
struct bsg_job;
#define BLKDEV_MIN_RQ 4
#define BLKDEV_MAX_RQ 128 /* Default maximum */
struct request;
typedef void (rq_end_io_fn)(struct request *, int);
-struct request_list {
- /*
- * count[], starved[], and wait[] are indexed by
- * BLK_RW_SYNC/BLK_RW_ASYNC
- */
- int count[2];
- int starved[2];
- int elvpriv;
- mempool_t *rq_pool;
- wait_queue_head_t wait[2];
-};
-
/*
* request command types
*/
enum rq_cmd_type_bits {
REQ_TYPE_FS = 1, /* fs request */
REQ_TYPE_BLOCK_PC, /* scsi command */
REQ_TYPE_SENSE, /* sense request */
REQ_TYPE_PM_SUSPEND, /* suspend request */
REQ_TYPE_PM_RESUME, /* resume request */
@@ -75,19 +63,19 @@ enum rq_cmd_type_bits {
/*
* try to put the fields that are referenced together in the same cacheline.
* if you modify this structure, be sure to check block/blk-core.c:blk_rq_init()
* as well!
*/
struct request {
struct list_head queuelist;
struct call_single_data csd;
- struct request_queue *q;
+ struct blk_queue_ctx *queue_ctx;
unsigned int cmd_flags;
enum rq_cmd_type_bits cmd_type;
unsigned long atomic_flags;
int cpu;
/* the following two fields are internal, NEVER access directly */
unsigned int __data_len; /* total data len */
@@ -266,25 +254,24 @@ struct queue_limits {
unsigned char cluster;
unsigned char discard_zeroes_data;
};
struct request_queue {
/*
* Together with queue_head for cacheline sharing
*/
struct list_head queue_head;
- struct request *last_merge;
struct elevator_queue *elevator;
- /*
- * the queue request freelist, one for reads and one for writes
- */
- struct request_list rq;
+ struct blk_queue_ctx *queue_ctx;
+ unsigned int nr_queues;
+
+ mempool_t *rq_pool;
request_fn_proc *request_fn;
make_request_fn *make_request_fn;
prep_rq_fn *prep_rq_fn;
unprep_rq_fn *unprep_rq_fn;
merge_bvec_fn *merge_bvec_fn;
softirq_done_fn *softirq_done_fn;
rq_timed_out_fn *rq_timed_out_fn;
dma_drain_needed_fn *dma_drain_needed;
@@ -338,34 +325,29 @@ struct request_queue {
*/
struct kobject kobj;
/*
* queue settings
*/
unsigned long nr_requests; /* Max # of requests */
unsigned int nr_congestion_on;
unsigned int nr_congestion_off;
- unsigned int nr_batching;
unsigned int dma_drain_size;
void *dma_drain_buffer;
unsigned int dma_pad_mask;
unsigned int dma_alignment;
struct blk_queue_tag *queue_tags;
struct list_head tag_busy_list;
- unsigned int nr_sorted;
- unsigned int in_flight[2];
-
unsigned int rq_timeout;
struct timer_list timeout;
- struct list_head timeout_list;
struct list_head icq_list;
struct queue_limits limits;
/*
* sg stuff
*/
unsigned int sg_timeout;
@@ -470,23 +452,18 @@ static inline void queue_flag_set(unsigned int flag, struct request_queue *q)
__set_bit(flag, &q->queue_flags);
}
static inline void queue_flag_clear_unlocked(unsigned int flag,
struct request_queue *q)
{
__clear_bit(flag, &q->queue_flags);
}
-static inline int queue_in_flight(struct request_queue *q)
-{
- return q->in_flight[0] + q->in_flight[1];
-}
-
static inline void queue_flag_clear(unsigned int flag, struct request_queue *q)
{
queue_lockdep_assert_held(q);
__clear_bit(flag, &q->queue_flags);
}
#define blk_queue_tagged(q) test_bit(QUEUE_FLAG_QUEUED, &(q)->queue_flags)
#define blk_queue_stopped(q) test_bit(QUEUE_FLAG_STOPPED, &(q)->queue_flags)
#define blk_queue_dead(q) test_bit(QUEUE_FLAG_DEAD, &(q)->queue_flags)
@@ -657,21 +634,21 @@ extern void rq_flush_dcache_pages(struct request *rq);
#else
static inline void rq_flush_dcache_pages(struct request *rq)
{
}
#endif
extern int blk_register_queue(struct gendisk *disk);
extern void blk_unregister_queue(struct gendisk *disk);
extern void generic_make_request(struct bio *bio);
-extern void blk_rq_init(struct request_queue *q, struct request *rq);
+extern void blk_rq_init(struct blk_queue_ctx *ctx, struct request *rq);
extern void blk_put_request(struct request *);
-extern void __blk_put_request(struct request_queue *, struct request *);
+extern void __blk_put_request(struct request *);
extern struct request *blk_get_request(struct request_queue *, int, gfp_t);
extern struct request *blk_make_request(struct request_queue *, struct bio *,
gfp_t);
extern void blk_requeue_request(struct request_queue *, struct request *);
extern void blk_add_request_payload(struct request *rq, struct page *page,
unsigned int len);
extern int blk_rq_check_limits(struct request_queue *q, struct request *rq);
extern int blk_lld_busy(struct request_queue *q);
extern int blk_rq_prep_clone(struct request *rq, struct request *rq_src,
@@ -809,19 +786,20 @@ extern void blk_complete_request(struct request *);
extern void __blk_complete_request(struct request *);
extern void blk_abort_request(struct request *);
extern void blk_abort_queue(struct request_queue *);
extern void blk_unprep_request(struct request *);
/*
* Access functions for manipulating queue properties
*/
extern struct request_queue *blk_init_queue_node(request_fn_proc *rfn,
- spinlock_t *lock, int node_id);
+ spinlock_t *lock, int node_id,
+ unsigned int nr_queues);
extern struct request_queue *blk_init_queue(request_fn_proc *, spinlock_t *);
extern struct request_queue *blk_init_allocated_queue(struct request_queue *,
request_fn_proc *, spinlock_t *);
extern void blk_cleanup_queue(struct request_queue *);
extern void blk_queue_make_request(struct request_queue *, make_request_fn *);
extern void blk_queue_bounce_limit(struct request_queue *, u64);
extern void blk_limits_max_hw_sectors(struct queue_limits *, unsigned int);
extern void blk_queue_max_hw_sectors(struct request_queue *, unsigned int);
extern void blk_queue_max_segments(struct request_queue *, unsigned short);
@@ -858,25 +836,25 @@ extern void blk_queue_merge_bvec(struct request_queue *, merge_bvec_fn *);
extern void blk_queue_dma_alignment(struct request_queue *, int);
extern void blk_queue_update_dma_alignment(struct request_queue *, int);
extern void blk_queue_softirq_done(struct request_queue *, softirq_done_fn *);
extern void blk_queue_rq_timed_out(struct request_queue *, rq_timed_out_fn *);
extern void blk_queue_rq_timeout(struct request_queue *, unsigned int);
extern void blk_queue_flush(struct request_queue *q, unsigned int flush);
extern void blk_queue_flush_queueable(struct request_queue *q, bool queueable);
extern struct backing_dev_info *blk_get_backing_dev_info(struct block_device *bdev);
-extern int blk_rq_map_sg(struct request_queue *, struct request *, struct scatterlist *);
+extern int blk_rq_map_sg(struct request *, struct scatterlist *);
extern void blk_dump_rq_flags(struct request *, char *);
extern long nr_blockdev_pages(void);
bool __must_check blk_get_queue(struct request_queue *);
struct request_queue *blk_alloc_queue(gfp_t);
-struct request_queue *blk_alloc_queue_node(gfp_t, int);
+struct request_queue *blk_alloc_queue_node(gfp_t, int, unsigned int);
extern void blk_put_queue(struct request_queue *);
/*
* blk_plug permits building a queue of related requests by holding the I/O
* fragments for a short period. This allows merging of sequential requests
* into single larger request. As the requests are moved from a per-task list to
* the device's request_queue in a batch, this results in improved scalability
* as the lock contention for request_queue lock is reduced.
*
diff --git a/include/linux/elevator.h b/include/linux/elevator.h
index 7d4e035..6bb2096 100644
--- a/include/linux/elevator.h
+++ b/include/linux/elevator.h
@@ -1,46 +1,47 @@
#ifndef _LINUX_ELEVATOR_H
#define _LINUX_ELEVATOR_H
#include <linux/percpu.h>
#ifdef CONFIG_BLOCK
struct io_cq;
+struct blk_queue_ctx;
-typedef int (elevator_merge_fn) (struct request_queue *, struct request **,
+typedef int (elevator_merge_fn) (struct blk_queue_ctx *, struct request **,
struct bio *);
-typedef void (elevator_merge_req_fn) (struct request_queue *, struct request *, struct request *);
+typedef void (elevator_merge_req_fn) (struct blk_queue_ctx *, struct request *, struct request *);
-typedef void (elevator_merged_fn) (struct request_queue *, struct request *, int);
+typedef void (elevator_merged_fn) (struct blk_queue_ctx *, struct request *, int);
-typedef int (elevator_allow_merge_fn) (struct request_queue *, struct request *, struct bio *);
+typedef int (elevator_allow_merge_fn) (struct blk_queue_ctx *, struct request *, struct bio *);
-typedef void (elevator_bio_merged_fn) (struct request_queue *,
+typedef void (elevator_bio_merged_fn) (struct blk_queue_ctx *,
struct request *, struct bio *);
typedef int (elevator_dispatch_fn) (struct request_queue *, int);
-typedef void (elevator_add_req_fn) (struct request_queue *, struct request *);
-typedef struct request *(elevator_request_list_fn) (struct request_queue *, struct request *);
-typedef void (elevator_completed_req_fn) (struct request_queue *, struct request *);
+typedef void (elevator_add_req_fn) (struct blk_queue_ctx *, struct request *);
+typedef struct request *(elevator_request_list_fn) (struct blk_queue_ctx *, struct request *);
+typedef void (elevator_completed_req_fn) (struct blk_queue_ctx *, struct request *);
typedef int (elevator_may_queue_fn) (struct request_queue *, int);
typedef void (elevator_init_icq_fn) (struct io_cq *);
typedef void (elevator_exit_icq_fn) (struct io_cq *);
-typedef int (elevator_set_req_fn) (struct request_queue *, struct request *, gfp_t);
+typedef int (elevator_set_req_fn) (struct blk_queue_ctx *, struct request *, gfp_t);
typedef void (elevator_put_req_fn) (struct request *);
typedef void (elevator_activate_req_fn) (struct request_queue *, struct request *);
typedef void (elevator_deactivate_req_fn) (struct request_queue *, struct request *);
-typedef void *(elevator_init_fn) (struct request_queue *);
-typedef void (elevator_exit_fn) (struct elevator_queue *);
+typedef int (elevator_init_fn) (struct request_queue *, unsigned int);
+typedef void (elevator_exit_fn) (struct request_queue *, struct elevator_queue *);
struct elevator_ops
{
elevator_merge_fn *elevator_merge_fn;
elevator_merged_fn *elevator_merged_fn;
elevator_merge_req_fn *elevator_merge_req_fn;
elevator_allow_merge_fn *elevator_allow_merge_fn;
elevator_bio_merged_fn *elevator_bio_merged_fn;
@@ -95,72 +96,71 @@ struct elevator_type
struct list_head list;
};
/*
* each queue has an elevator_queue associated with it
*/
struct elevator_queue
{
struct elevator_type *type;
- void *elevator_data;
struct kobject kobj;
struct mutex sysfs_lock;
- struct hlist_head *hash;
unsigned int registered:1;
};
/*
* block elevator interface
*/
-extern void elv_dispatch_sort(struct request_queue *, struct request *);
-extern void elv_dispatch_add_tail(struct request_queue *, struct request *);
-extern void elv_add_request(struct request_queue *, struct request *, int);
-extern void __elv_add_request(struct request_queue *, struct request *, int);
-extern int elv_merge(struct request_queue *, struct request **, struct bio *);
-extern void elv_merge_requests(struct request_queue *, struct request *,
+extern void elv_dispatch_sort(struct request_queue *, struct blk_queue_ctx *, struct request *);
+extern void elv_dispatch_add_tail(struct request_queue *, struct blk_queue_ctx *, struct request *);
+extern void elv_add_request(struct request *, int);
+extern void __elv_add_request(struct request *, int);
+extern void elv_insert(struct request *, int);
+extern int elv_merge(struct blk_queue_ctx *, struct request **, struct bio *);
+extern void elv_merge_requests(struct blk_queue_ctx *, struct request *,
struct request *);
-extern void elv_merged_request(struct request_queue *, struct request *, int);
-extern void elv_bio_merged(struct request_queue *q, struct request *,
+extern void elv_merged_request(struct blk_queue_ctx *, struct request *, int);
+extern void elv_bio_merged(struct blk_queue_ctx *q, struct request *,
struct bio *);
extern void elv_requeue_request(struct request_queue *, struct request *);
-extern struct request *elv_former_request(struct request_queue *, struct request *);
-extern struct request *elv_latter_request(struct request_queue *, struct request *);
+extern struct request *elv_former_request(struct blk_queue_ctx *, struct request *);
+extern struct request *elv_latter_request(struct blk_queue_ctx *, struct request *);
extern int elv_register_queue(struct request_queue *q);
extern void elv_unregister_queue(struct request_queue *q);
extern int elv_may_queue(struct request_queue *, int);
extern void elv_abort_queue(struct request_queue *);
-extern void elv_completed_request(struct request_queue *, struct request *);
-extern int elv_set_request(struct request_queue *, struct request *, gfp_t);
-extern void elv_put_request(struct request_queue *, struct request *);
+extern void elv_completed_request(struct request *);
+extern int elv_set_request(struct blk_queue_ctx *, struct request *, gfp_t);
+extern void elv_put_request(struct blk_queue_ctx *, struct request *);
extern void elv_drain_elevator(struct request_queue *);
/*
* io scheduler registration
*/
extern int elv_register(struct elevator_type *);
extern void elv_unregister(struct elevator_type *);
/*
* io scheduler sysfs switching
*/
extern ssize_t elv_iosched_show(struct request_queue *, char *);
extern ssize_t elv_iosched_store(struct request_queue *, const char *, size_t);
extern int elevator_init(struct request_queue *, char *);
-extern void elevator_exit(struct elevator_queue *);
+extern void elevator_exit(struct request_queue *, struct elevator_queue *);
extern int elevator_change(struct request_queue *, const char *);
extern bool elv_rq_merge_ok(struct request *, struct bio *);
/*
* Helper functions.
*/
-extern struct request *elv_rb_former_request(struct request_queue *, struct request *);
-extern struct request *elv_rb_latter_request(struct request_queue *, struct request *);
+extern struct request *elv_rb_former_request(struct request *);
+extern struct request *elv_rb_latter_request(struct request *);
/*
* rb support functions.
*/
extern void elv_rb_add(struct rb_root *, struct request *);
extern void elv_rb_del(struct rb_root *, struct request *);
extern struct request *elv_rb_find(struct rb_root *, sector_t);
/*
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index 6efb2e1..279c887 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -1,16 +1,17 @@
#ifndef _SCSI_SCSI_DEVICE_H
#define _SCSI_SCSI_DEVICE_H
#include <linux/list.h>
#include <linux/spinlock.h>
#include <linux/workqueue.h>
#include <linux/blkdev.h>
+#include <linux/blk-mq.h>
#include <scsi/scsi.h>
#include <linux/atomic.h>
struct device;
struct request_queue;
struct scsi_cmnd;
struct scsi_lun;
struct scsi_sense_hdr;
--
1.7.10
[-- Attachment #3: blk-core.c --]
[-- Type: text/x-csrc, Size: 77507 bytes --]
/*
* Copyright (C) 1991, 1992 Linus Torvalds
* Copyright (C) 1994, Karl Keyte: Added support for disk statistics
* Elevator latency, (C) 2000 Andrea Arcangeli <andrea@suse.de> SuSE
* Queue request tables / lock, selectable elevator, Jens Axboe <axboe@suse.de>
* kernel-doc documentation started by NeilBrown <neilb@cse.unsw.edu.au>
* - July2000
* bio rewrite, highmem i/o, etc, Jens Axboe <axboe@suse.de> - may 2001
*/
/*
* This handles all read/write requests to block devices
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/backing-dev.h>
#include <linux/bio.h>
#include <linux/blkdev.h>
#include <linux/highmem.h>
#include <linux/mm.h>
#include <linux/kernel_stat.h>
#include <linux/string.h>
#include <linux/init.h>
#include <linux/completion.h>
#include <linux/slab.h>
#include <linux/swap.h>
#include <linux/writeback.h>
#include <linux/task_io_accounting_ops.h>
#include <linux/fault-inject.h>
#include <linux/list_sort.h>
#include <linux/delay.h>
#define CREATE_TRACE_POINTS
#include <trace/events/block.h>
#include "blk.h"
EXPORT_TRACEPOINT_SYMBOL_GPL(block_bio_remap);
EXPORT_TRACEPOINT_SYMBOL_GPL(block_rq_remap);
EXPORT_TRACEPOINT_SYMBOL_GPL(block_bio_complete);
DEFINE_IDA(blk_queue_ida);
/*
* For the allocated request tables
*/
static struct kmem_cache *request_cachep;
/*
* For queue allocation
*/
struct kmem_cache *blk_requestq_cachep;
/*
* Controlling structure to kblockd
*/
static struct workqueue_struct *kblockd_workqueue;
static void drive_stat_acct(struct request *rq, int new_io)
{
struct hd_struct *part;
int rw = rq_data_dir(rq);
int cpu;
if (!blk_do_io_stat(rq))
return;
cpu = part_stat_lock();
if (!new_io) {
part = rq->part;
part_stat_inc(cpu, part, merges[rw]);
} else {
part = disk_map_sector_rcu(rq->rq_disk, blk_rq_pos(rq));
if (!hd_struct_try_get(part)) {
/*
* The partition is already being removed,
* the request will be accounted on the disk only
*
* We take a reference on disk->part0 although that
* partition will never be deleted, so we can treat
* it as any other partition.
*/
part = &rq->rq_disk->part0;
hd_struct_get(part);
}
part_round_stats(cpu, part);
part_inc_in_flight(part, rw);
rq->part = part;
}
part_stat_unlock();
}
void blk_queue_congestion_threshold(struct request_queue *q)
{
int nr;
nr = q->nr_requests - (q->nr_requests / 8) + 1;
if (nr > q->nr_requests)
nr = q->nr_requests;
q->nr_congestion_on = nr;
nr = q->nr_requests - (q->nr_requests / 8) - (q->nr_requests / 16) - 1;
if (nr < 1)
nr = 1;
q->nr_congestion_off = nr;
}
/**
* blk_get_backing_dev_info - get the address of a queue's backing_dev_info
* @bdev: device
*
* Locates the passed device's request queue and returns the address of its
* backing_dev_info
*
* Will return NULL if the request queue cannot be located.
*/
struct backing_dev_info *blk_get_backing_dev_info(struct block_device *bdev)
{
struct backing_dev_info *ret = NULL;
struct request_queue *q = bdev_get_queue(bdev);
if (q)
ret = &q->backing_dev_info;
return ret;
}
EXPORT_SYMBOL(blk_get_backing_dev_info);
void blk_rq_init(struct blk_queue_ctx *ctx, struct request *rq)
{
memset(rq, 0, sizeof(*rq));
INIT_LIST_HEAD(&rq->queuelist);
INIT_LIST_HEAD(&rq->timeout_list);
rq->cpu = -1;
rq->queue_ctx = ctx;
rq->__sector = (sector_t) -1;
INIT_HLIST_NODE(&rq->hash);
RB_CLEAR_NODE(&rq->rb_node);
rq->cmd = rq->__cmd;
rq->cmd_len = BLK_MAX_CDB;
rq->tag = -1;
rq->ref_count = 1;
rq->start_time = jiffies;
set_start_time_ns(rq);
rq->part = NULL;
}
EXPORT_SYMBOL(blk_rq_init);
static void req_bio_endio(struct request *rq, struct bio *bio,
unsigned int nbytes, int error)
{
if (error)
clear_bit(BIO_UPTODATE, &bio->bi_flags);
else if (!test_bit(BIO_UPTODATE, &bio->bi_flags))
error = -EIO;
if (unlikely(nbytes > bio->bi_size)) {
printk(KERN_ERR "%s: want %u bytes done, %u left\n",
__func__, nbytes, bio->bi_size);
nbytes = bio->bi_size;
}
if (unlikely(rq->cmd_flags & REQ_QUIET))
set_bit(BIO_QUIET, &bio->bi_flags);
bio->bi_size -= nbytes;
bio->bi_sector += (nbytes >> 9);
if (bio_integrity(bio))
bio_integrity_advance(bio, nbytes);
/* don't actually finish bio if it's part of flush sequence */
if (bio->bi_size == 0 && !(rq->cmd_flags & REQ_FLUSH_SEQ))
bio_endio(bio, error);
}
void blk_dump_rq_flags(struct request *rq, char *msg)
{
int bit;
printk(KERN_INFO "%s: dev %s: type=%x, flags=%x\n", msg,
rq->rq_disk ? rq->rq_disk->disk_name : "?", rq->cmd_type,
rq->cmd_flags);
printk(KERN_INFO " sector %llu, nr/cnr %u/%u\n",
(unsigned long long)blk_rq_pos(rq),
blk_rq_sectors(rq), blk_rq_cur_sectors(rq));
printk(KERN_INFO " bio %p, biotail %p, buffer %p, len %u\n",
rq->bio, rq->biotail, rq->buffer, blk_rq_bytes(rq));
if (rq->cmd_type == REQ_TYPE_BLOCK_PC) {
printk(KERN_INFO " cdb: ");
for (bit = 0; bit < BLK_MAX_CDB; bit++)
printk("%02x ", rq->cmd[bit]);
printk("\n");
}
}
EXPORT_SYMBOL(blk_dump_rq_flags);
static void blk_delay_work(struct work_struct *work)
{
struct request_queue *q;
q = container_of(work, struct request_queue, delay_work.work);
spin_lock_irq(q->queue_lock);
__blk_run_queue(q);
spin_unlock_irq(q->queue_lock);
}
/**
* blk_delay_queue - restart queueing after defined interval
* @q: The &struct request_queue in question
* @msecs: Delay in msecs
*
* Description:
* Sometimes queueing needs to be postponed for a little while, to allow
* resources to come back. This function will make sure that queueing is
* restarted around the specified time.
*/
void blk_delay_queue(struct request_queue *q, unsigned long msecs)
{
queue_delayed_work(kblockd_workqueue, &q->delay_work,
msecs_to_jiffies(msecs));
}
EXPORT_SYMBOL(blk_delay_queue);
/**
* blk_start_queue - restart a previously stopped queue
* @q: The &struct request_queue in question
*
* Description:
* blk_start_queue() will clear the stop flag on the queue, and call
* the request_fn for the queue if it was in a stopped state when
* entered. Also see blk_stop_queue(). Queue lock must be held.
**/
void blk_start_queue(struct request_queue *q)
{
WARN_ON(!irqs_disabled());
queue_flag_clear(QUEUE_FLAG_STOPPED, q);
__blk_run_queue(q);
}
EXPORT_SYMBOL(blk_start_queue);
/**
* blk_stop_queue - stop a queue
* @q: The &struct request_queue in question
*
* Description:
* The Linux block layer assumes that a block driver will consume all
* entries on the request queue when the request_fn strategy is called.
* Often this will not happen, because of hardware limitations (queue
* depth settings). If a device driver gets a 'queue full' response,
* or if it simply chooses not to queue more I/O at one point, it can
* call this function to prevent the request_fn from being called until
* the driver has signalled it's ready to go again. This happens by calling
* blk_start_queue() to restart queue operations. Queue lock must be held.
**/
void blk_stop_queue(struct request_queue *q)
{
__cancel_delayed_work(&q->delay_work);
queue_flag_set(QUEUE_FLAG_STOPPED, q);
}
EXPORT_SYMBOL(blk_stop_queue);
/**
* blk_sync_queue - cancel any pending callbacks on a queue
* @q: the queue
*
* Description:
* The block layer may perform asynchronous callback activity
* on a queue, such as calling the unplug function after a timeout.
* A block device may call blk_sync_queue to ensure that any
* such activity is cancelled, thus allowing it to release resources
* that the callbacks might use. The caller must already have made sure
* that its ->make_request_fn will not re-add plugging prior to calling
* this function.
*
* This function does not cancel any asynchronous activity arising
* out of elevator or throttling code. That would require elevaotor_exit()
* and blk_throtl_exit() to be called with queue lock initialized.
*
*/
void blk_sync_queue(struct request_queue *q)
{
del_timer_sync(&q->timeout);
cancel_delayed_work_sync(&q->delay_work);
}
EXPORT_SYMBOL(blk_sync_queue);
/**
* __blk_run_queue - run a single device queue
* @q: The queue to run
*
* Description:
* See @blk_run_queue. This variant must be called with the queue lock
* held and interrupts disabled.
*/
void __blk_run_queue(struct request_queue *q)
{
lockdep_assert_held(q->queue_lock);
if (unlikely(blk_queue_stopped(q)))
return;
q->request_fn(q);
}
EXPORT_SYMBOL(__blk_run_queue);
/**
* blk_run_queue_async - run a single device queue in workqueue context
* @q: The queue to run
*
* Description:
* Tells kblockd to perform the equivalent of @blk_run_queue on behalf
* of us.
*/
void blk_run_queue_async(struct request_queue *q)
{
if (likely(!blk_queue_stopped(q))) {
__cancel_delayed_work(&q->delay_work);
queue_delayed_work(kblockd_workqueue, &q->delay_work, 0);
}
}
EXPORT_SYMBOL(blk_run_queue_async);
/**
* blk_run_queue - run a single device queue
* @q: The queue to run
*
* Description:
* Invoke request handling on this queue, if it has pending work to do.
* May be used to restart queueing when a request has completed.
*/
void blk_run_queue(struct request_queue *q)
{
unsigned long flags;
spin_lock_irqsave(q->queue_lock, flags);
__blk_run_queue(q);
spin_unlock_irqrestore(q->queue_lock, flags);
}
EXPORT_SYMBOL(blk_run_queue);
void blk_put_queue(struct request_queue *q)
{
kobject_put(&q->kobj);
}
EXPORT_SYMBOL(blk_put_queue);
/**
* blk_drain_queue - drain requests from request_queue
* @q: queue to drain
* @drain_all: whether to drain all requests or only the ones w/ ELVPRIV
*
* Drain requests from @q. If @drain_all is set, all requests are drained.
* If not, only ELVPRIV requests are drained. The caller is responsible
* for ensuring that no new requests which need to be drained are queued.
*/
void blk_drain_queue(struct request_queue *q, bool drain_all)
{
while (true) {
bool drain = false;
int i;
spin_lock_irq(q->queue_lock);
elv_drain_elevator(q);
if (drain_all)
blk_throtl_drain(q);
/*
* This function might be called on a queue which failed
* driver init after queue creation. Some drivers
* (e.g. fd) get unhappy in such cases. Kick queue iff
* dispatch queue has something on it.
*/
if (!list_empty(&q->queue_head))
__blk_run_queue(q);
drain |= queue_elvpriv(q);
/*
* Unfortunately, requests are queued at and tracked from
* multiple places and there's no single counter which can
* be drained. Check all the queues and counters.
*/
if (drain_all) {
drain |= !list_empty(&q->queue_head);
for (i = 0; i < 2; i++) {
drain |= queue_rq_queued(q);
drain |= queue_in_flight(q);
drain |= !list_empty(&q->flush_queue[i]);
}
}
spin_unlock_irq(q->queue_lock);
if (!drain)
break;
msleep(10);
}
}
/**
* blk_cleanup_queue - shutdown a request queue
* @q: request queue to shutdown
*
* Mark @q DEAD, drain all pending requests, destroy and put it. All
* future requests will be failed immediately with -ENODEV.
*/
void blk_cleanup_queue(struct request_queue *q)
{
spinlock_t *lock = q->queue_lock;
/* mark @q DEAD, no new request or merges will be allowed afterwards */
mutex_lock(&q->sysfs_lock);
queue_flag_set_unlocked(QUEUE_FLAG_DEAD, q);
spin_lock_irq(lock);
queue_flag_set(QUEUE_FLAG_NOMERGES, q);
queue_flag_set(QUEUE_FLAG_NOXMERGES, q);
queue_flag_set(QUEUE_FLAG_DEAD, q);
if (q->queue_lock != &q->__queue_lock)
q->queue_lock = &q->__queue_lock;
spin_unlock_irq(lock);
mutex_unlock(&q->sysfs_lock);
/*
* Drain all requests queued before DEAD marking. The caller might
* be trying to tear down @q before its elevator is initialized, in
* which case we don't want to call into draining.
*/
if (q->elevator)
blk_drain_queue(q, true);
/* @q won't process any more request, flush async actions */
del_timer_sync(&q->backing_dev_info.laptop_mode_wb_timer);
blk_sync_queue(q);
/* @q is and will stay empty, shutdown and put */
blk_put_queue(q);
}
EXPORT_SYMBOL(blk_cleanup_queue);
static int blk_init_queue_ctx(struct request_queue *q, unsigned int nr_queues)
{
struct blk_queue_ctx *ctx;
unsigned int i;
q->nr_queues = nr_queues;
queue_for_each_ctx(q, ctx, i) {
struct request_list *rl = &ctx->rl;
memset(ctx, 0, sizeof(*ctx));
spin_lock_init(&ctx->lock);
ctx->queue = q;
init_waitqueue_head(&rl->wait[BLK_RW_SYNC]);
init_waitqueue_head(&rl->wait[BLK_RW_ASYNC]);
INIT_LIST_HEAD(&ctx->timeout_list);
}
return 0;
}
static int blk_init_free_list(struct request_queue *q)
{
if (unlikely(q->rq_pool))
return 0;
q->rq_pool = mempool_create_node(BLKDEV_MIN_RQ, mempool_alloc_slab,
mempool_free_slab, request_cachep, q->node);
if (!q->rq_pool)
return -ENOMEM;
return 0;
}
struct request_queue *blk_alloc_queue(gfp_t gfp_mask)
{
return blk_alloc_queue_node(gfp_mask, -1, 1);
}
EXPORT_SYMBOL(blk_alloc_queue);
struct request_queue *blk_alloc_queue_node(gfp_t gfp_mask, int node_id,
unsigned int nr_queues)
{
struct request_queue *q;
int err;
q = kmem_cache_alloc_node(blk_requestq_cachep,
gfp_mask | __GFP_ZERO, node_id);
if (!q)
return NULL;
q->queue_ctx = kmalloc_node(nr_queues * sizeof(struct blk_queue_ctx),
GFP_KERNEL, node_id);
if (!q->queue_ctx) {
kmem_cache_free(blk_requestq_cachep, q);
return NULL;
}
blk_init_queue_ctx(q, nr_queues);
q->id = ida_simple_get(&blk_queue_ida, 0, 0, gfp_mask);
if (q->id < 0)
goto fail_q;
q->backing_dev_info.ra_pages =
(VM_MAX_READAHEAD * 1024) / PAGE_CACHE_SIZE;
q->backing_dev_info.state = 0;
q->backing_dev_info.capabilities = BDI_CAP_MAP_COPY;
q->backing_dev_info.name = "block";
q->node = node_id;
err = bdi_init(&q->backing_dev_info);
if (err)
goto fail_id;
if (blk_throtl_init(q))
goto fail_id;
setup_timer(&q->backing_dev_info.laptop_mode_wb_timer,
laptop_mode_timer_fn, (unsigned long) q);
setup_timer(&q->timeout, blk_rq_timed_out_timer, (unsigned long) q);
INIT_LIST_HEAD(&q->icq_list);
INIT_LIST_HEAD(&q->flush_queue[0]);
INIT_LIST_HEAD(&q->flush_queue[1]);
INIT_LIST_HEAD(&q->flush_data_in_flight);
INIT_DELAYED_WORK(&q->delay_work, blk_delay_work);
kobject_init(&q->kobj, &blk_queue_ktype);
mutex_init(&q->sysfs_lock);
spin_lock_init(&q->__queue_lock);
/*
* By default initialize queue_lock to internal lock and driver can
* override it later if need be.
*/
q->queue_lock = &q->__queue_lock;
return q;
fail_id:
ida_simple_remove(&blk_queue_ida, q->id);
fail_q:
kfree(q->queue_ctx);
kmem_cache_free(blk_requestq_cachep, q);
return NULL;
}
EXPORT_SYMBOL(blk_alloc_queue_node);
/**
* blk_init_queue - prepare a request queue for use with a block device
* @rfn: The function to be called to process requests that have been
* placed on the queue.
* @lock: Request queue spin lock
*
* Description:
* If a block device wishes to use the standard request handling procedures,
* which sorts requests and coalesces adjacent requests, then it must
* call blk_init_queue(). The function @rfn will be called when there
* are requests on the queue that need to be processed. If the device
* supports plugging, then @rfn may not be called immediately when requests
* are available on the queue, but may be called at some time later instead.
* Plugged queues are generally unplugged when a buffer belonging to one
* of the requests on the queue is needed, or due to memory pressure.
*
* @rfn is not required, or even expected, to remove all requests off the
* queue, but only as many as it can handle at a time. If it does leave
* requests on the queue, it is responsible for arranging that the requests
* get dealt with eventually.
*
* The queue spin lock must be held while manipulating the requests on the
* request queue; this lock will be taken also from interrupt context, so irq
* disabling is needed for it.
*
* Function returns a pointer to the initialized request queue, or %NULL if
* it didn't succeed.
*
* Note:
* blk_init_queue() must be paired with a blk_cleanup_queue() call
* when the block device is deactivated (such as at module unload).
**/
struct request_queue *blk_init_queue(request_fn_proc *rfn, spinlock_t *lock)
{
return blk_init_queue_node(rfn, lock, -1, 1);
}
EXPORT_SYMBOL(blk_init_queue);
struct request_queue *blk_init_queue_mq(request_fn_proc *rfn, spinlock_t *lock,
unsigned int nr_queues)
{
return blk_init_queue_node(rfn, lock, -1, nr_queues);
}
EXPORT_SYMBOL(blk_init_queue_mq);
struct request_queue *
blk_init_queue_node(request_fn_proc *rfn, spinlock_t *lock, int node_id,
unsigned int nr_queues)
{
struct request_queue *uninit_q, *q;
uninit_q = blk_alloc_queue_node(GFP_KERNEL, node_id, nr_queues);
if (!uninit_q)
return NULL;
q = blk_init_allocated_queue(uninit_q, rfn, lock);
if (!q)
blk_cleanup_queue(uninit_q);
return q;
}
EXPORT_SYMBOL(blk_init_queue_node);
struct request_queue *
blk_init_allocated_queue(struct request_queue *q, request_fn_proc *rfn,
spinlock_t *lock)
{
if (!q)
return NULL;
if (blk_init_free_list(q))
return NULL;
q->request_fn = rfn;
q->prep_rq_fn = NULL;
q->unprep_rq_fn = NULL;
q->queue_flags = QUEUE_FLAG_DEFAULT;
/* Override internal queue lock with supplied lock pointer */
if (lock)
q->queue_lock = lock;
/*
* This also sets hw/phys segments, boundary and size
*/
blk_queue_make_request(q, blk_queue_bio);
q->sg_reserved_size = INT_MAX;
/*
* all done
*/
if (!elevator_init(q, NULL)) {
blk_queue_congestion_threshold(q);
return q;
}
return NULL;
}
EXPORT_SYMBOL(blk_init_allocated_queue);
bool blk_get_queue(struct request_queue *q)
{
if (likely(!blk_queue_dead(q))) {
__blk_get_queue(q);
return true;
}
return false;
}
EXPORT_SYMBOL(blk_get_queue);
static inline void blk_free_request(struct blk_queue_ctx *ctx,
struct request *rq)
{
struct request_queue *q = ctx->queue;
if (rq->cmd_flags & REQ_ELVPRIV) {
elv_put_request(ctx, rq);
if (rq->elv.icq)
put_io_context(rq->elv.icq->ioc);
}
mempool_free(rq, q->rq_pool);
}
static struct request *
blk_alloc_request(struct blk_queue_ctx *ctx, struct io_cq *icq,
unsigned int flags, gfp_t gfp_mask)
{
struct request_queue *q = ctx->queue;
struct request *rq;
rq = mempool_alloc(q->rq_pool, gfp_mask);
if (!rq)
return NULL;
blk_rq_init(ctx, rq);
rq->cmd_flags = flags | REQ_ALLOCED;
if (flags & REQ_ELVPRIV) {
rq->elv.icq = icq;
if (unlikely(elv_set_request(ctx, rq, gfp_mask))) {
mempool_free(rq, q->rq_pool);
return NULL;
}
/* @rq->elv.icq holds on to io_context until @rq is freed */
if (icq)
get_io_context(icq->ioc);
}
return rq;
}
static void __freed_request(struct blk_queue_ctx *ctx, int sync)
{
struct request_queue *q = ctx->queue;
struct request_list *rl = &ctx->rl;
if (rl->count[sync] < queue_congestion_off_threshold(q))
blk_clear_queue_congested(q, sync);
if (rl->count[sync] + 1 <= q->nr_requests) {
if (waitqueue_active(&rl->wait[sync]))
wake_up(&rl->wait[sync]);
blk_clear_queue_full(q, sync);
}
}
/*
* A request has just been released. Account for it, update the full and
* congestion status, wake up any waiters. Called under ctx->lock.
*/
static void freed_request(struct blk_queue_ctx *ctx, unsigned int flags)
{
struct request_list *rl = &ctx->rl;
int sync = rw_is_sync(flags);
rl->count[sync]--;
if (flags & REQ_ELVPRIV)
rl->elvpriv--;
__freed_request(ctx, sync);
if (unlikely(rl->starved[sync ^ 1]))
__freed_request(ctx, sync ^ 1);
}
/*
* Determine if elevator data should be initialized when allocating the
* request associated with @bio.
*/
static bool blk_rq_should_init_elevator(struct bio *bio)
{
if (!bio)
return true;
/*
* Flush requests do not use the elevator so skip initialization.
* This allows a request to share the flush and elevator data.
*/
if (bio->bi_rw & (REQ_FLUSH | REQ_FUA))
return false;
return true;
}
/**
* get_request - get a free request
* @q: request_queue to allocate request from
* @rw_flags: RW and SYNC flags
* @bio: bio to allocate request for (can be %NULL)
* @gfp_mask: allocation mask
*
* Get a free request from @q. This function may fail under memory
* pressure or if @q is dead.
*
* Must be callled with @ctx->lock held.
*/
static struct request *get_request(struct blk_queue_ctx *ctx, int rw_flags,
struct bio *bio, gfp_t gfp_mask)
{
struct request_queue *q = ctx->queue;
struct request_list *rl = &ctx->rl;
struct request *rq = NULL;
struct elevator_type *et;
struct io_cq *icq = NULL;
const bool is_sync = rw_is_sync(rw_flags) != 0;
const bool drop_lock = (gfp_mask & __GFP_WAIT) != 0;
struct io_context *ioc;
int may_queue;
et = q->elevator->type;
ioc = current->io_context;
if (unlikely(blk_queue_dead(q)))
return NULL;
may_queue = elv_may_queue(q, rw_flags);
if (may_queue == ELV_MQUEUE_NO)
goto rq_starved;
if (rl->count[is_sync]+1 >= queue_congestion_on_threshold(q)) {
blk_set_queue_congested(q, is_sync);
if (rl->count[is_sync]+1 >= q->nr_requests)
if (may_queue != ELV_MQUEUE_MUST)
goto out;
}
/*
* Only allow batching queuers to allocate up to 50% over the defined
* limit of requests, otherwise we could have thousands of requests
* allocated with any setting of ->nr_requests
*/
if (rl->count[is_sync] >= (3 * q->nr_requests / 2))
goto out;
rl->count[is_sync]++;
rl->starved[is_sync] = 0;
/*
* Decide whether the new request will be managed by elevator. If
* so, mark @rw_flags and increment elvpriv. Non-zero elvpriv will
* prevent the current elevator from being destroyed until the new
* request is freed. This guarantees icq's won't be destroyed and
* makes creating new ones safe.
*
* Also, lookup icq while holding queue_lock. If it doesn't exist,
* it will be created after releasing queue_lock.
*/
if (blk_rq_should_init_elevator(bio) &&
!test_bit(QUEUE_FLAG_ELVSWITCH, &q->queue_flags)) {
rw_flags |= REQ_ELVPRIV;
rl->elvpriv++;
if (et->icq_cache && ioc)
icq = ioc_lookup_icq(ioc, q);
}
if (blk_queue_io_stat(q))
rw_flags |= REQ_IO_STAT;
if (drop_lock)
spin_unlock_irq(&ctx->lock);
/* create icq if missing */
if ((rw_flags & REQ_ELVPRIV) && unlikely(et->icq_cache && !icq)) {
icq = ioc_create_icq(q, gfp_mask);
if (!icq)
goto fail_icq;
}
rq = blk_alloc_request(ctx, icq, rw_flags, gfp_mask);
fail_icq:
if (unlikely(!rq)) {
/*
* Allocation failed presumably due to memory. Undo anything
* we might have messed up.
*
* Allocating task should really be put onto the front of the
* wait queue, but this is pretty rare.
*/
if (drop_lock)
spin_lock_irq(&ctx->lock);
freed_request(ctx, rw_flags);
/*
* in the very unlikely event that allocation failed and no
* requests for this direction was pending, mark us starved
* so that freeing of a request in the other direction will
* notice us. another possible fix would be to split the
* rq mempool into READ and WRITE
*/
rq_starved:
if (unlikely(rl->count[is_sync] == 0))
rl->starved[is_sync] = 1;
goto out;
}
trace_block_getrq(q, bio, rw_flags & 1);
if (drop_lock)
spin_lock_irq(&ctx->lock);
out:
return rq;
}
/**
* get_request_wait - get a free request with retry
* @q: request_queue to allocate request from
* @rw_flags: RW and SYNC flags
* @bio: bio to allocate request for (can be %NULL)
*
* Get a free request from @q. This function keeps retrying under memory
* pressure and fails iff @q is dead.
*
* Must be callled with @ctx->lock held.
*/
static struct request *get_request_wait(struct blk_queue_ctx *ctx, int rw_flags,
struct bio *bio)
{
struct request_queue *q = ctx->queue;
const bool is_sync = rw_is_sync(rw_flags) != 0;
struct request *rq;
rq = get_request(ctx, rw_flags, bio, GFP_NOIO);
while (!rq) {
DEFINE_WAIT(wait);
struct request_list *rl = &ctx->rl;
if (unlikely(blk_queue_dead(q)))
return NULL;
prepare_to_wait_exclusive(&rl->wait[is_sync], &wait,
TASK_UNINTERRUPTIBLE);
trace_block_sleeprq(q, bio, rw_flags & 1);
spin_unlock_irq(&ctx->lock);
io_schedule();
/*
* After sleeping, we become a "batching" process and
* will be able to allocate at least one request, and
* up to a big batch of them for a small period time.
* See ioc_batching, ioc_set_batching
*/
create_io_context(current, GFP_NOIO, q->node);
spin_lock_irq(&ctx->lock);
finish_wait(&rl->wait[is_sync], &wait);
rq = get_request(ctx, rw_flags, bio, GFP_NOIO);
};
return rq;
}
struct request *blk_get_request(struct request_queue *q, int rw, gfp_t gfp_mask)
{
struct blk_queue_ctx *ctx = blk_get_ctx(q, 0);
struct request *rq;
BUG_ON(rw != READ && rw != WRITE);
spin_lock_irq(&ctx->lock);
if (gfp_mask & __GFP_WAIT)
rq = get_request_wait(ctx, rw, NULL);
else
rq = get_request(ctx, rw, NULL, gfp_mask);
spin_unlock_irq(&ctx->lock);
return rq;
}
EXPORT_SYMBOL(blk_get_request);
/**
* blk_make_request - given a bio, allocate a corresponding struct request.
* @q: target request queue
* @bio: The bio describing the memory mappings that will be submitted for IO.
* It may be a chained-bio properly constructed by block/bio layer.
* @gfp_mask: gfp flags to be used for memory allocation
*
* blk_make_request is the parallel of generic_make_request for BLOCK_PC
* type commands. Where the struct request needs to be farther initialized by
* the caller. It is passed a &struct bio, which describes the memory info of
* the I/O transfer.
*
* The caller of blk_make_request must make sure that bi_io_vec
* are set to describe the memory buffers. That bio_data_dir() will return
* the needed direction of the request. (And all bio's in the passed bio-chain
* are properly set accordingly)
*
* If called under none-sleepable conditions, mapped bio buffers must not
* need bouncing, by calling the appropriate masked or flagged allocator,
* suitable for the target device. Otherwise the call to blk_queue_bounce will
* BUG.
*
* WARNING: When allocating/cloning a bio-chain, careful consideration should be
* given to how you allocate bios. In particular, you cannot use __GFP_WAIT for
* anything but the first bio in the chain. Otherwise you risk waiting for IO
* completion of a bio that hasn't been submitted yet, thus resulting in a
* deadlock. Alternatively bios should be allocated using bio_kmalloc() instead
* of bio_alloc(), as that avoids the mempool deadlock.
* If possible a big IO should be split into smaller parts when allocation
* fails. Partial allocation should not be an error, or you risk a live-lock.
*/
struct request *blk_make_request(struct request_queue *q, struct bio *bio,
gfp_t gfp_mask)
{
struct request *rq = blk_get_request(q, bio_data_dir(bio), gfp_mask);
if (unlikely(!rq))
return ERR_PTR(-ENOMEM);
for_each_bio(bio) {
struct bio *bounce_bio = bio;
int ret;
blk_queue_bounce(q, &bounce_bio);
ret = blk_rq_append_bio(q, rq, bounce_bio);
if (unlikely(ret)) {
blk_put_request(rq);
return ERR_PTR(ret);
}
}
return rq;
}
EXPORT_SYMBOL(blk_make_request);
/**
* blk_requeue_request - put a request back on queue
* @q: request queue where request should be inserted
* @rq: request to be inserted
*
* Description:
* Drivers often keep queueing requests until the hardware cannot accept
* more, when that condition happens we need to put the request back
* on the queue. Must be called with queue lock held.
*/
void blk_requeue_request(struct request_queue *q, struct request *rq)
{
blk_delete_timer(rq);
blk_clear_rq_complete(rq);
trace_block_rq_requeue(q, rq);
if (blk_rq_tagged(rq))
blk_queue_end_tag(q, rq);
BUG_ON(blk_queued_rq(rq));
elv_requeue_request(q, rq);
}
EXPORT_SYMBOL(blk_requeue_request);
static void add_acct_request(struct request *rq, int where)
{
struct blk_queue_ctx *ctx = rq->queue_ctx;
BUG_ON(!irqs_disabled());
drive_stat_acct(rq, 1);
spin_lock(&ctx->lock);
__elv_add_request(rq, where);
spin_unlock(&ctx->lock);
}
static void part_round_stats_single(int cpu, struct hd_struct *part,
unsigned long now)
{
if (now == part->stamp)
return;
if (part_in_flight(part)) {
__part_stat_add(cpu, part, time_in_queue,
part_in_flight(part) * (now - part->stamp));
__part_stat_add(cpu, part, io_ticks, (now - part->stamp));
}
part->stamp = now;
}
/**
* part_round_stats() - Round off the performance stats on a struct disk_stats.
* @cpu: cpu number for stats access
* @part: target partition
*
* The average IO queue length and utilisation statistics are maintained
* by observing the current state of the queue length and the amount of
* time it has been in this state for.
*
* Normally, that accounting is done on IO completion, but that can result
* in more than a second's worth of IO being accounted for within any one
* second, leading to >100% utilisation. To deal with that, we call this
* function to do a round-off before returning the results when reading
* /proc/diskstats. This accounts immediately for all queue usage up to
* the current jiffies and restarts the counters again.
*/
void part_round_stats(int cpu, struct hd_struct *part)
{
unsigned long now = jiffies;
if (part->partno)
part_round_stats_single(cpu, &part_to_disk(part)->part0, now);
part_round_stats_single(cpu, part, now);
}
EXPORT_SYMBOL_GPL(part_round_stats);
/*
* queue lock must be held
*/
void __blk_put_request(struct request *req)
{
struct blk_queue_ctx *ctx = req->queue_ctx;
if (unlikely(!ctx))
return;
if (unlikely(--req->ref_count))
return;
elv_completed_request(req);
/* this is a bio leak */
WARN_ON(req->bio != NULL);
/*
* Request may not have originated from ll_rw_blk. if not,
* it didn't come out of our reserved rq pools
*/
if (req->cmd_flags & REQ_ALLOCED) {
unsigned int flags = req->cmd_flags;
BUG_ON(!list_empty(&req->queuelist));
BUG_ON(!hlist_unhashed(&req->hash));
blk_free_request(ctx, req);
freed_request(ctx, flags);
}
}
EXPORT_SYMBOL_GPL(__blk_put_request);
void blk_put_request(struct request *req)
{
struct blk_queue_ctx *ctx = req->queue_ctx;
unsigned long flags;
spin_lock_irqsave(&ctx->lock, flags);
__blk_put_request(req);
spin_unlock_irqrestore(&ctx->lock, flags);
}
EXPORT_SYMBOL(blk_put_request);
/**
* blk_add_request_payload - add a payload to a request
* @rq: request to update
* @page: page backing the payload
* @len: length of the payload.
*
* This allows to later add a payload to an already submitted request by
* a block driver. The driver needs to take care of freeing the payload
* itself.
*
* Note that this is a quite horrible hack and nothing but handling of
* discard requests should ever use it.
*/
void blk_add_request_payload(struct request *rq, struct page *page,
unsigned int len)
{
struct bio *bio = rq->bio;
bio->bi_io_vec->bv_page = page;
bio->bi_io_vec->bv_offset = 0;
bio->bi_io_vec->bv_len = len;
bio->bi_size = len;
bio->bi_vcnt = 1;
bio->bi_phys_segments = 1;
rq->__data_len = rq->resid_len = len;
rq->nr_phys_segments = 1;
rq->buffer = bio_data(bio);
}
EXPORT_SYMBOL_GPL(blk_add_request_payload);
static bool bio_attempt_back_merge(struct blk_queue_ctx *ctx, struct request *req,
struct bio *bio)
{
const int ff = bio->bi_rw & REQ_FAILFAST_MASK;
if (!ll_back_merge_fn(ctx, req, bio))
return false;
trace_block_bio_backmerge(ctx->queue, bio);
if ((req->cmd_flags & REQ_FAILFAST_MASK) != ff)
blk_rq_set_mixed_merge(req);
req->biotail->bi_next = bio;
req->biotail = bio;
req->__data_len += bio->bi_size;
req->ioprio = ioprio_best(req->ioprio, bio_prio(bio));
drive_stat_acct(req, 0);
return true;
}
static bool bio_attempt_front_merge(struct blk_queue_ctx *ctx,
struct request *req, struct bio *bio)
{
const int ff = bio->bi_rw & REQ_FAILFAST_MASK;
if (!ll_front_merge_fn(ctx, req, bio))
return false;
trace_block_bio_frontmerge(ctx->queue, bio);
if ((req->cmd_flags & REQ_FAILFAST_MASK) != ff)
blk_rq_set_mixed_merge(req);
bio->bi_next = req->bio;
req->bio = bio;
/*
* may not be valid. if the low level driver said
* it didn't need a bounce buffer then it better
* not touch req->buffer either...
*/
req->buffer = bio_data(bio);
req->__sector = bio->bi_sector;
req->__data_len += bio->bi_size;
req->ioprio = ioprio_best(req->ioprio, bio_prio(bio));
drive_stat_acct(req, 0);
return true;
}
/**
* attempt_plug_merge - try to merge with %current's plugged list
* @q: request_queue new bio is being queued at
* @bio: new bio being queued
* @request_count: out parameter for number of traversed plugged requests
*
* Determine whether @bio being queued on @q can be merged with a request
* on %current's plugged list. Returns %true if merge was successful,
* otherwise %false.
*
* Plugging coalesces IOs from the same issuer for the same purpose without
* going through @q->queue_lock. As such it's more of an issuing mechanism
* than scheduling, and the request, while may have elvpriv data, is not
* added on the elevator at this point. In addition, we don't have
* reliable access to the elevator outside queue lock. Only check basic
* merging parameters without querying the elevator.
*/
static bool attempt_plug_merge(struct request_queue *q, struct bio *bio,
unsigned int *request_count)
{
struct blk_plug *plug;
struct request *rq;
bool ret = false;
plug = current->plug;
if (!plug)
goto out;
*request_count = 0;
list_for_each_entry_reverse(rq, &plug->list, queuelist) {
int el_ret;
if (rq->q == q)
(*request_count)++;
if (rq->queue_ctx->queue != q || !blk_rq_merge_ok(rq, bio))
continue;
el_ret = blk_try_merge(rq, bio);
if (el_ret == ELEVATOR_BACK_MERGE) {
ret = bio_attempt_back_merge(rq->queue_ctx, rq, bio);
if (ret)
break;
} else if (el_ret == ELEVATOR_FRONT_MERGE) {
ret = bio_attempt_front_merge(rq->queue_ctx, rq, bio);
if (ret)
break;
}
}
out:
return ret;
}
void init_request_from_bio(struct request *req, struct bio *bio)
{
req->cmd_type = REQ_TYPE_FS;
req->cmd_flags |= bio->bi_rw & REQ_COMMON_MASK;
if (bio->bi_rw & REQ_RAHEAD)
req->cmd_flags |= REQ_FAILFAST_MASK;
req->errors = 0;
req->__sector = bio->bi_sector;
req->ioprio = bio_prio(bio);
blk_rq_bio_prep(req->queue_ctx->queue, req, bio);
}
void blk_queue_bio(struct request_queue *q, struct bio *bio)
{
const bool sync = !!(bio->bi_rw & REQ_SYNC);
struct blk_queue_ctx *ctx = blk_get_ctx(q, 0);
struct blk_plug *plug;
int el_ret, rw_flags, where = ELEVATOR_INSERT_SORT;
struct request *req;
unsigned int request_count = 0;
/*
* low level driver can indicate that it wants pages above a
* certain limit bounced to low memory (ie for highmem, or even
* ISA dma in theory)
*/
blk_queue_bounce(q, &bio);
if (bio->bi_rw & (REQ_FLUSH | REQ_FUA)) {
spin_lock_irq(&ctx->lock);
where = ELEVATOR_INSERT_FLUSH;
goto get_rq;
}
/*
* Check if we can merge with the plugged list before grabbing
* any locks.
*/
if (attempt_plug_merge(q, bio, &request_count))
return;
spin_lock_irq(&ctx->lock);
el_ret = elv_merge(ctx, &req, bio);
if (el_ret == ELEVATOR_BACK_MERGE) {
if (bio_attempt_back_merge(ctx, req, bio)) {
elv_bio_merged(ctx, req, bio);
if (!attempt_back_merge(ctx, req))
elv_merged_request(ctx, req, el_ret);
out_unlock:
spin_unlock_irq(&ctx->lock);
return;
}
} else if (el_ret == ELEVATOR_FRONT_MERGE) {
if (bio_attempt_front_merge(ctx, req, bio)) {
elv_bio_merged(ctx, req, bio);
if (!attempt_front_merge(ctx, req))
elv_merged_request(ctx, req, el_ret);
goto out_unlock;
}
}
get_rq:
/*
* This sync check and mask will be re-done in init_request_from_bio(),
* but we need to set it earlier to expose the sync flag to the
* rq allocator and io schedulers.
*/
rw_flags = bio_data_dir(bio);
if (sync)
rw_flags |= REQ_SYNC;
/*
* Grab a free request. Fails if the queue is dead,
* otherwise succeeds. May drop lock, but reacquires it.
*/
req = get_request_wait(ctx, rw_flags, bio);
if (unlikely(!req)) {
bio_endio(bio, -ENODEV); /* @q is dead */
goto out_unlock;
}
spin_unlock_irq(&ctx->lock);
/*
* After dropping the lock and possibly sleeping here, our request
* may now be mergeable after it had proven unmergeable (above).
* We don't worry about that case for efficiency. It won't happen
* often, and the elevators are able to handle it.
*/
init_request_from_bio(req, bio);
if (test_bit(QUEUE_FLAG_SAME_COMP, &q->queue_flags))
req->cpu = raw_smp_processor_id();
plug = current->plug;
if (plug) {
/*
* If this is the first request added after a plug, fire
* of a plug trace. If others have been added before, check
* if we have multiple devices in this plug. If so, make a
* note to sort the list before dispatch.
*/
if (list_empty(&plug->list))
trace_block_plug(q);
else {
if (!plug->should_sort) {
struct request *__rq;
__rq = list_entry_rq(plug->list.prev);
if (__rq->queue_ctx->queue != q)
plug->should_sort = 1;
}
if (request_count >= BLK_MAX_REQUEST_COUNT) {
blk_flush_plug_list(plug, false);
trace_block_plug(q);
}
}
list_add_tail(&req->queuelist, &plug->list);
drive_stat_acct(req, 1);
} else {
spin_lock_irq(q->queue_lock);
add_acct_request(req, where);
__blk_run_queue(q);
spin_unlock_irq(q->queue_lock);
}
}
EXPORT_SYMBOL_GPL(blk_queue_bio); /* for device mapper only */
/*
* If bio->bi_dev is a partition, remap the location
*/
static inline void blk_partition_remap(struct bio *bio)
{
struct block_device *bdev = bio->bi_bdev;
if (bio_sectors(bio) && bdev != bdev->bd_contains) {
struct hd_struct *p = bdev->bd_part;
bio->bi_sector += p->start_sect;
bio->bi_bdev = bdev->bd_contains;
trace_block_bio_remap(bdev_get_queue(bio->bi_bdev), bio,
bdev->bd_dev,
bio->bi_sector - p->start_sect);
}
}
static void handle_bad_sector(struct bio *bio)
{
char b[BDEVNAME_SIZE];
printk(KERN_INFO "attempt to access beyond end of device\n");
printk(KERN_INFO "%s: rw=%ld, want=%Lu, limit=%Lu\n",
bdevname(bio->bi_bdev, b),
bio->bi_rw,
(unsigned long long)bio->bi_sector + bio_sectors(bio),
(long long)(i_size_read(bio->bi_bdev->bd_inode) >> 9));
set_bit(BIO_EOF, &bio->bi_flags);
}
#ifdef CONFIG_FAIL_MAKE_REQUEST
static DECLARE_FAULT_ATTR(fail_make_request);
static int __init setup_fail_make_request(char *str)
{
return setup_fault_attr(&fail_make_request, str);
}
__setup("fail_make_request=", setup_fail_make_request);
static bool should_fail_request(struct hd_struct *part, unsigned int bytes)
{
return part->make_it_fail && should_fail(&fail_make_request, bytes);
}
static int __init fail_make_request_debugfs(void)
{
struct dentry *dir = fault_create_debugfs_attr("fail_make_request",
NULL, &fail_make_request);
return IS_ERR(dir) ? PTR_ERR(dir) : 0;
}
late_initcall(fail_make_request_debugfs);
#else /* CONFIG_FAIL_MAKE_REQUEST */
static inline bool should_fail_request(struct hd_struct *part,
unsigned int bytes)
{
return false;
}
#endif /* CONFIG_FAIL_MAKE_REQUEST */
/*
* Check whether this bio extends beyond the end of the device.
*/
static inline int bio_check_eod(struct bio *bio, unsigned int nr_sectors)
{
sector_t maxsector;
if (!nr_sectors)
return 0;
/* Test device or partition size, when known. */
maxsector = i_size_read(bio->bi_bdev->bd_inode) >> 9;
if (maxsector) {
sector_t sector = bio->bi_sector;
if (maxsector < nr_sectors || maxsector - nr_sectors < sector) {
/*
* This may well happen - the kernel calls bread()
* without checking the size of the device, e.g., when
* mounting a device.
*/
handle_bad_sector(bio);
return 1;
}
}
return 0;
}
static noinline_for_stack bool
generic_make_request_checks(struct bio *bio)
{
struct request_queue *q;
int nr_sectors = bio_sectors(bio);
int err = -EIO;
char b[BDEVNAME_SIZE];
struct hd_struct *part;
might_sleep();
if (bio_check_eod(bio, nr_sectors))
goto end_io;
q = bdev_get_queue(bio->bi_bdev);
if (unlikely(!q)) {
printk(KERN_ERR
"generic_make_request: Trying to access "
"nonexistent block-device %s (%Lu)\n",
bdevname(bio->bi_bdev, b),
(long long) bio->bi_sector);
goto end_io;
}
if (unlikely(!(bio->bi_rw & REQ_DISCARD) &&
nr_sectors > queue_max_hw_sectors(q))) {
printk(KERN_ERR "bio too big device %s (%u > %u)\n",
bdevname(bio->bi_bdev, b),
bio_sectors(bio),
queue_max_hw_sectors(q));
goto end_io;
}
part = bio->bi_bdev->bd_part;
if (should_fail_request(part, bio->bi_size) ||
should_fail_request(&part_to_disk(part)->part0,
bio->bi_size))
goto end_io;
/*
* If this device has partitions, remap block n
* of partition p to block n+start(p) of the disk.
*/
blk_partition_remap(bio);
if (bio_integrity_enabled(bio) && bio_integrity_prep(bio))
goto end_io;
if (bio_check_eod(bio, nr_sectors))
goto end_io;
/*
* Filter flush bio's early so that make_request based
* drivers without flush support don't have to worry
* about them.
*/
if ((bio->bi_rw & (REQ_FLUSH | REQ_FUA)) && !q->flush_flags) {
bio->bi_rw &= ~(REQ_FLUSH | REQ_FUA);
if (!nr_sectors) {
err = 0;
goto end_io;
}
}
if ((bio->bi_rw & REQ_DISCARD) &&
(!blk_queue_discard(q) ||
((bio->bi_rw & REQ_SECURE) &&
!blk_queue_secdiscard(q)))) {
err = -EOPNOTSUPP;
goto end_io;
}
if (blk_throtl_bio(q, bio))
return false; /* throttled, will be resubmitted later */
trace_block_bio_queue(q, bio);
return true;
end_io:
bio_endio(bio, err);
return false;
}
/**
* generic_make_request - hand a buffer to its device driver for I/O
* @bio: The bio describing the location in memory and on the device.
*
* generic_make_request() is used to make I/O requests of block
* devices. It is passed a &struct bio, which describes the I/O that needs
* to be done.
*
* generic_make_request() does not return any status. The
* success/failure status of the request, along with notification of
* completion, is delivered asynchronously through the bio->bi_end_io
* function described (one day) else where.
*
* The caller of generic_make_request must make sure that bi_io_vec
* are set to describe the memory buffer, and that bi_dev and bi_sector are
* set to describe the device address, and the
* bi_end_io and optionally bi_private are set to describe how
* completion notification should be signaled.
*
* generic_make_request and the drivers it calls may use bi_next if this
* bio happens to be merged with someone else, and may resubmit the bio to
* a lower device by calling into generic_make_request recursively, which
* means the bio should NOT be touched after the call to ->make_request_fn.
*/
void generic_make_request(struct bio *bio)
{
struct bio_list bio_list_on_stack;
if (!generic_make_request_checks(bio))
return;
/*
* We only want one ->make_request_fn to be active at a time, else
* stack usage with stacked devices could be a problem. So use
* current->bio_list to keep a list of requests submited by a
* make_request_fn function. current->bio_list is also used as a
* flag to say if generic_make_request is currently active in this
* task or not. If it is NULL, then no make_request is active. If
* it is non-NULL, then a make_request is active, and new requests
* should be added at the tail
*/
if (current->bio_list) {
bio_list_add(current->bio_list, bio);
return;
}
/* following loop may be a bit non-obvious, and so deserves some
* explanation.
* Before entering the loop, bio->bi_next is NULL (as all callers
* ensure that) so we have a list with a single bio.
* We pretend that we have just taken it off a longer list, so
* we assign bio_list to a pointer to the bio_list_on_stack,
* thus initialising the bio_list of new bios to be
* added. ->make_request() may indeed add some more bios
* through a recursive call to generic_make_request. If it
* did, we find a non-NULL value in bio_list and re-enter the loop
* from the top. In this case we really did just take the bio
* of the top of the list (no pretending) and so remove it from
* bio_list, and call into ->make_request() again.
*/
BUG_ON(bio->bi_next);
bio_list_init(&bio_list_on_stack);
current->bio_list = &bio_list_on_stack;
do {
struct request_queue *q = bdev_get_queue(bio->bi_bdev);
q->make_request_fn(q, bio);
bio = bio_list_pop(current->bio_list);
} while (bio);
current->bio_list = NULL; /* deactivate */
}
EXPORT_SYMBOL(generic_make_request);
/**
* submit_bio - submit a bio to the block device layer for I/O
* @rw: whether to %READ or %WRITE, or maybe to %READA (read ahead)
* @bio: The &struct bio which describes the I/O
*
* submit_bio() is very similar in purpose to generic_make_request(), and
* uses that function to do most of the work. Both are fairly rough
* interfaces; @bio must be presetup and ready for I/O.
*
*/
void submit_bio(int rw, struct bio *bio)
{
int count = bio_sectors(bio);
bio->bi_rw |= rw;
/*
* If it's a regular read/write or a barrier with data attached,
* go through the normal accounting stuff before submission.
*/
if (bio_has_data(bio) && !(rw & REQ_DISCARD)) {
if (rw & WRITE) {
count_vm_events(PGPGOUT, count);
} else {
task_io_account_read(bio->bi_size);
count_vm_events(PGPGIN, count);
}
if (unlikely(block_dump)) {
char b[BDEVNAME_SIZE];
printk(KERN_DEBUG "%s(%d): %s block %Lu on %s (%u sectors)\n",
current->comm, task_pid_nr(current),
(rw & WRITE) ? "WRITE" : "READ",
(unsigned long long)bio->bi_sector,
bdevname(bio->bi_bdev, b),
count);
}
}
generic_make_request(bio);
}
EXPORT_SYMBOL(submit_bio);
/**
* blk_rq_check_limits - Helper function to check a request for the queue limit
* @q: the queue
* @rq: the request being checked
*
* Description:
* @rq may have been made based on weaker limitations of upper-level queues
* in request stacking drivers, and it may violate the limitation of @q.
* Since the block layer and the underlying device driver trust @rq
* after it is inserted to @q, it should be checked against @q before
* the insertion using this generic function.
*
* This function should also be useful for request stacking drivers
* in some cases below, so export this function.
* Request stacking drivers like request-based dm may change the queue
* limits while requests are in the queue (e.g. dm's table swapping).
* Such request stacking drivers should check those requests agaist
* the new queue limits again when they dispatch those requests,
* although such checkings are also done against the old queue limits
* when submitting requests.
*/
int blk_rq_check_limits(struct request_queue *q, struct request *rq)
{
if (rq->cmd_flags & REQ_DISCARD)
return 0;
if (blk_rq_sectors(rq) > queue_max_sectors(q) ||
blk_rq_bytes(rq) > queue_max_hw_sectors(q) << 9) {
printk(KERN_ERR "%s: over max size limit.\n", __func__);
return -EIO;
}
/*
* queue's settings related to segment counting like q->bounce_pfn
* may differ from that of other stacking queues.
* Recalculate it to check the request correctly on this queue's
* limitation.
*/
blk_recalc_rq_segments(rq);
if (rq->nr_phys_segments > queue_max_segments(q)) {
printk(KERN_ERR "%s: over max segments limit.\n", __func__);
return -EIO;
}
return 0;
}
EXPORT_SYMBOL_GPL(blk_rq_check_limits);
/**
* blk_insert_cloned_request - Helper for stacking drivers to submit a request
* @q: the queue to submit the request
* @rq: the request being queued
*/
int blk_insert_cloned_request(struct request_queue *q, struct request *rq)
{
unsigned long flags;
int where = ELEVATOR_INSERT_BACK;
if (blk_rq_check_limits(q, rq))
return -EIO;
if (rq->rq_disk &&
should_fail_request(&rq->rq_disk->part0, blk_rq_bytes(rq)))
return -EIO;
spin_lock_irqsave(q->queue_lock, flags);
if (unlikely(blk_queue_dead(q))) {
spin_unlock_irqrestore(q->queue_lock, flags);
return -ENODEV;
}
/*
* Submitting request must be dequeued before calling this function
* because it will be linked to another request_queue
*/
BUG_ON(blk_queued_rq(rq));
if (rq->cmd_flags & (REQ_FLUSH|REQ_FUA))
where = ELEVATOR_INSERT_FLUSH;
add_acct_request(rq, where);
if (where == ELEVATOR_INSERT_FLUSH)
__blk_run_queue(q);
spin_unlock_irqrestore(q->queue_lock, flags);
return 0;
}
EXPORT_SYMBOL_GPL(blk_insert_cloned_request);
/**
* blk_rq_err_bytes - determine number of bytes till the next failure boundary
* @rq: request to examine
*
* Description:
* A request could be merge of IOs which require different failure
* handling. This function determines the number of bytes which
* can be failed from the beginning of the request without
* crossing into area which need to be retried further.
*
* Return:
* The number of bytes to fail.
*
* Context:
* queue_lock must be held.
*/
unsigned int blk_rq_err_bytes(const struct request *rq)
{
unsigned int ff = rq->cmd_flags & REQ_FAILFAST_MASK;
unsigned int bytes = 0;
struct bio *bio;
if (!(rq->cmd_flags & REQ_MIXED_MERGE))
return blk_rq_bytes(rq);
/*
* Currently the only 'mixing' which can happen is between
* different fastfail types. We can safely fail portions
* which have all the failfast bits that the first one has -
* the ones which are at least as eager to fail as the first
* one.
*/
for (bio = rq->bio; bio; bio = bio->bi_next) {
if ((bio->bi_rw & ff) != ff)
break;
bytes += bio->bi_size;
}
/* this could lead to infinite loop */
BUG_ON(blk_rq_bytes(rq) && !bytes);
return bytes;
}
EXPORT_SYMBOL_GPL(blk_rq_err_bytes);
static void blk_account_io_completion(struct request *req, unsigned int bytes)
{
if (blk_do_io_stat(req)) {
const int rw = rq_data_dir(req);
struct hd_struct *part;
int cpu;
cpu = part_stat_lock();
part = req->part;
part_stat_add(cpu, part, sectors[rw], bytes >> 9);
part_stat_unlock();
}
}
static void blk_account_io_done(struct request *req)
{
/*
* Account IO completion. flush_rq isn't accounted as a
* normal IO on queueing nor completion. Accounting the
* containing request is enough.
*/
if (blk_do_io_stat(req) && !(req->cmd_flags & REQ_FLUSH_SEQ)) {
unsigned long duration = jiffies - req->start_time;
const int rw = rq_data_dir(req);
struct hd_struct *part;
int cpu;
cpu = part_stat_lock();
part = req->part;
part_stat_inc(cpu, part, ios[rw]);
part_stat_add(cpu, part, ticks[rw], duration);
part_round_stats(cpu, part);
part_dec_in_flight(part, rw);
hd_struct_put(part);
part_stat_unlock();
}
}
/**
* blk_peek_request - peek at the top of a request queue
* @q: request queue to peek at
*
* Description:
* Return the request at the top of @q. The returned request
* should be started using blk_start_request() before LLD starts
* processing it.
*
* Return:
* Pointer to the request at the top of @q if available. Null
* otherwise.
*
* Context:
* queue_lock must be held.
*/
struct request *blk_peek_request(struct request_queue *q)
{
struct request *rq;
int ret;
while ((rq = __elv_next_request(q)) != NULL) {
if (!(rq->cmd_flags & REQ_STARTED)) {
/*
* This is the first time the device driver
* sees this request (possibly after
* requeueing). Notify IO scheduler.
*/
if (rq->cmd_flags & REQ_SORTED)
elv_activate_rq(rq);
/*
* just mark as started even if we don't start
* it, a request that has been delayed should
* not be passed by new incoming requests
*/
rq->cmd_flags |= REQ_STARTED;
trace_block_rq_issue(q, rq);
}
if (!q->boundary_rq || q->boundary_rq == rq) {
q->end_sector = rq_end_sector(rq);
q->boundary_rq = NULL;
}
if (rq->cmd_flags & REQ_DONTPREP)
break;
if (q->dma_drain_size && blk_rq_bytes(rq)) {
/*
* make sure space for the drain appears we
* know we can do this because max_hw_segments
* has been adjusted to be one fewer than the
* device can handle
*/
rq->nr_phys_segments++;
}
if (!q->prep_rq_fn)
break;
ret = q->prep_rq_fn(q, rq);
if (ret == BLKPREP_OK) {
break;
} else if (ret == BLKPREP_DEFER) {
/*
* the request may have been (partially) prepped.
* we need to keep this request in the front to
* avoid resource deadlock. REQ_STARTED will
* prevent other fs requests from passing this one.
*/
if (q->dma_drain_size && blk_rq_bytes(rq) &&
!(rq->cmd_flags & REQ_DONTPREP)) {
/*
* remove the space for the drain we added
* so that we don't add it again
*/
--rq->nr_phys_segments;
}
rq = NULL;
break;
} else if (ret == BLKPREP_KILL) {
rq->cmd_flags |= REQ_QUIET;
/*
* Mark this request as started so we don't trigger
* any debug logic in the end I/O path.
*/
blk_start_request(rq);
__blk_end_request_all(rq, -EIO);
} else {
printk(KERN_ERR "%s: bad return=%d\n", __func__, ret);
break;
}
}
return rq;
}
EXPORT_SYMBOL(blk_peek_request);
void blk_dequeue_request(struct request *rq)
{
struct blk_queue_ctx *ctx = rq->queue_ctx;
BUG_ON(list_empty(&rq->queuelist));
BUG_ON(ELV_ON_HASH(rq));
list_del_init(&rq->queuelist);
/*
* the time frame between a request being removed from the lists
* and to it is freed is accounted as io that is in progress at
* the driver side.
*/
if (blk_account_rq(rq)) {
ctx->in_flight[rq_is_sync(rq)]++;
set_io_start_time_ns(rq);
}
}
/**
* blk_start_request - start request processing on the driver
* @req: request to dequeue
*
* Description:
* Dequeue @req and start timeout timer on it. This hands off the
* request to the driver.
*
* Block internal functions which don't want to start timer should
* call blk_dequeue_request().
*
* Context:
* queue_lock must be held.
*/
void blk_start_request(struct request *req)
{
blk_dequeue_request(req);
/*
* We are now handing the request to the hardware, initialize
* resid_len to full count and add the timeout handler.
*/
req->resid_len = blk_rq_bytes(req);
if (unlikely(blk_bidi_rq(req)))
req->next_rq->resid_len = blk_rq_bytes(req->next_rq);
blk_add_timer(req);
}
EXPORT_SYMBOL(blk_start_request);
/**
* blk_fetch_request - fetch a request from a request queue
* @q: request queue to fetch a request from
*
* Description:
* Return the request at the top of @q. The request is started on
* return and LLD can start processing it immediately.
*
* Return:
* Pointer to the request at the top of @q if available. Null
* otherwise.
*
* Context:
* queue_lock must be held.
*/
struct request *blk_fetch_request(struct request_queue *q)
{
struct request *rq;
rq = blk_peek_request(q);
if (rq)
blk_start_request(rq);
return rq;
}
EXPORT_SYMBOL(blk_fetch_request);
/**
* blk_update_request - Special helper function for request stacking drivers
* @req: the request being processed
* @error: %0 for success, < %0 for error
* @nr_bytes: number of bytes to complete @req
*
* Description:
* Ends I/O on a number of bytes attached to @req, but doesn't complete
* the request structure even if @req doesn't have leftover.
* If @req has leftover, sets it up for the next range of segments.
*
* This special helper function is only for request stacking drivers
* (e.g. request-based dm) so that they can handle partial completion.
* Actual device drivers should use blk_end_request instead.
*
* Passing the result of blk_rq_bytes() as @nr_bytes guarantees
* %false return from this function.
*
* Return:
* %false - this request doesn't have any more data
* %true - this request has more data
**/
bool blk_update_request(struct request *req, int error, unsigned int nr_bytes)
{
int total_bytes, bio_nbytes, next_idx = 0;
struct bio *bio;
if (!req->bio)
return false;
trace_block_rq_complete(req->queue_ctx->queue, req);
/*
* For fs requests, rq is just carrier of independent bio's
* and each partial completion should be handled separately.
* Reset per-request error on each partial completion.
*
* TODO: tj: This is too subtle. It would be better to let
* low level drivers do what they see fit.
*/
if (req->cmd_type == REQ_TYPE_FS)
req->errors = 0;
if (error && req->cmd_type == REQ_TYPE_FS &&
!(req->cmd_flags & REQ_QUIET)) {
char *error_type;
switch (error) {
case -ENOLINK:
error_type = "recoverable transport";
break;
case -EREMOTEIO:
error_type = "critical target";
break;
case -EBADE:
error_type = "critical nexus";
break;
case -EIO:
default:
error_type = "I/O";
break;
}
printk(KERN_ERR "end_request: %s error, dev %s, sector %llu\n",
error_type, req->rq_disk ? req->rq_disk->disk_name : "?",
(unsigned long long)blk_rq_pos(req));
}
blk_account_io_completion(req, nr_bytes);
total_bytes = bio_nbytes = 0;
while ((bio = req->bio) != NULL) {
int nbytes;
if (nr_bytes >= bio->bi_size) {
req->bio = bio->bi_next;
nbytes = bio->bi_size;
req_bio_endio(req, bio, nbytes, error);
next_idx = 0;
bio_nbytes = 0;
} else {
int idx = bio->bi_idx + next_idx;
if (unlikely(idx >= bio->bi_vcnt)) {
blk_dump_rq_flags(req, "__end_that");
printk(KERN_ERR "%s: bio idx %d >= vcnt %d\n",
__func__, idx, bio->bi_vcnt);
break;
}
nbytes = bio_iovec_idx(bio, idx)->bv_len;
BIO_BUG_ON(nbytes > bio->bi_size);
/*
* not a complete bvec done
*/
if (unlikely(nbytes > nr_bytes)) {
bio_nbytes += nr_bytes;
total_bytes += nr_bytes;
break;
}
/*
* advance to the next vector
*/
next_idx++;
bio_nbytes += nbytes;
}
total_bytes += nbytes;
nr_bytes -= nbytes;
bio = req->bio;
if (bio) {
/*
* end more in this run, or just return 'not-done'
*/
if (unlikely(nr_bytes <= 0))
break;
}
}
/*
* completely done
*/
if (!req->bio) {
/*
* Reset counters so that the request stacking driver
* can find how many bytes remain in the request
* later.
*/
req->__data_len = 0;
return false;
}
/*
* if the request wasn't completed, update state
*/
if (bio_nbytes) {
req_bio_endio(req, bio, bio_nbytes, error);
bio->bi_idx += next_idx;
bio_iovec(bio)->bv_offset += nr_bytes;
bio_iovec(bio)->bv_len -= nr_bytes;
}
req->__data_len -= total_bytes;
req->buffer = bio_data(req->bio);
/* update sector only for requests with clear definition of sector */
if (req->cmd_type == REQ_TYPE_FS || (req->cmd_flags & REQ_DISCARD))
req->__sector += total_bytes >> 9;
/* mixed attributes always follow the first bio */
if (req->cmd_flags & REQ_MIXED_MERGE) {
req->cmd_flags &= ~REQ_FAILFAST_MASK;
req->cmd_flags |= req->bio->bi_rw & REQ_FAILFAST_MASK;
}
/*
* If total number of sectors is less than the first segment
* size, something has gone terribly wrong.
*/
if (blk_rq_bytes(req) < blk_rq_cur_bytes(req)) {
blk_dump_rq_flags(req, "request botched");
req->__data_len = blk_rq_cur_bytes(req);
}
/* recalculate the number of segments */
blk_recalc_rq_segments(req);
return true;
}
EXPORT_SYMBOL_GPL(blk_update_request);
static bool blk_update_bidi_request(struct request *rq, int error,
unsigned int nr_bytes,
unsigned int bidi_bytes)
{
if (blk_update_request(rq, error, nr_bytes))
return true;
/* Bidi request must be completed as a whole */
if (unlikely(blk_bidi_rq(rq)) &&
blk_update_request(rq->next_rq, error, bidi_bytes))
return true;
if (blk_queue_add_random(rq->queue_ctx->queue))
add_disk_randomness(rq->rq_disk);
return false;
}
/**
* blk_unprep_request - unprepare a request
* @req: the request
*
* This function makes a request ready for complete resubmission (or
* completion). It happens only after all error handling is complete,
* so represents the appropriate moment to deallocate any resources
* that were allocated to the request in the prep_rq_fn. The queue
* lock is held when calling this.
*/
void blk_unprep_request(struct request *req)
{
struct request_queue *q = req->queue_ctx->queue;
req->cmd_flags &= ~REQ_DONTPREP;
if (q->unprep_rq_fn)
q->unprep_rq_fn(q, req);
}
EXPORT_SYMBOL_GPL(blk_unprep_request);
/*
* queue lock must be held
*/
static void blk_finish_request(struct request *req, int error)
{
struct blk_queue_ctx *ctx = req->queue_ctx;
struct request_queue *q = ctx->queue;
if (blk_rq_tagged(req))
blk_queue_end_tag(q, req);
BUG_ON(blk_queued_rq(req));
if (unlikely(laptop_mode) && req->cmd_type == REQ_TYPE_FS)
laptop_io_completion(&q->backing_dev_info);
blk_delete_timer(req);
if (req->cmd_flags & REQ_DONTPREP)
blk_unprep_request(req);
blk_account_io_done(req);
if (req->end_io)
req->end_io(req, error);
else {
if (blk_bidi_rq(req))
__blk_put_request(req->next_rq);
__blk_put_request(req);
}
}
/**
* blk_end_bidi_request - Complete a bidi request
* @rq: the request to complete
* @error: %0 for success, < %0 for error
* @nr_bytes: number of bytes to complete @rq
* @bidi_bytes: number of bytes to complete @rq->next_rq
*
* Description:
* Ends I/O on a number of bytes attached to @rq and @rq->next_rq.
* Drivers that supports bidi can safely call this member for any
* type of request, bidi or uni. In the later case @bidi_bytes is
* just ignored.
*
* Return:
* %false - we are done with this request
* %true - still buffers pending for this request
**/
static bool blk_end_bidi_request(struct request *rq, int error,
unsigned int nr_bytes, unsigned int bidi_bytes)
{
struct blk_queue_ctx *ctx = rq->queue_ctx;
unsigned long flags;
if (blk_update_bidi_request(rq, error, nr_bytes, bidi_bytes))
return true;
spin_lock_irqsave(&ctx->lock, flags);
blk_finish_request(rq, error);
spin_unlock_irqrestore(&ctx->lock, flags);
return false;
}
/**
* __blk_end_bidi_request - Complete a bidi request with queue lock held
* @rq: the request to complete
* @error: %0 for success, < %0 for error
* @nr_bytes: number of bytes to complete @rq
* @bidi_bytes: number of bytes to complete @rq->next_rq
*
* Description:
* Identical to blk_end_bidi_request() except that queue lock is
* assumed to be locked on entry and remains so on return.
*
* Return:
* %false - we are done with this request
* %true - still buffers pending for this request
**/
bool __blk_end_bidi_request(struct request *rq, int error,
unsigned int nr_bytes, unsigned int bidi_bytes)
{
if (blk_update_bidi_request(rq, error, nr_bytes, bidi_bytes))
return true;
blk_finish_request(rq, error);
return false;
}
/**
* blk_end_request - Helper function for drivers to complete the request.
* @rq: the request being processed
* @error: %0 for success, < %0 for error
* @nr_bytes: number of bytes to complete
*
* Description:
* Ends I/O on a number of bytes attached to @rq.
* If @rq has leftover, sets it up for the next range of segments.
*
* Return:
* %false - we are done with this request
* %true - still buffers pending for this request
**/
bool blk_end_request(struct request *rq, int error, unsigned int nr_bytes)
{
return blk_end_bidi_request(rq, error, nr_bytes, 0);
}
EXPORT_SYMBOL(blk_end_request);
/**
* blk_end_request_all - Helper function for drives to finish the request.
* @rq: the request to finish
* @error: %0 for success, < %0 for error
*
* Description:
* Completely finish @rq.
*/
void blk_end_request_all(struct request *rq, int error)
{
bool pending;
unsigned int bidi_bytes = 0;
if (unlikely(blk_bidi_rq(rq)))
bidi_bytes = blk_rq_bytes(rq->next_rq);
pending = blk_end_bidi_request(rq, error, blk_rq_bytes(rq), bidi_bytes);
BUG_ON(pending);
}
EXPORT_SYMBOL(blk_end_request_all);
/**
* blk_end_request_cur - Helper function to finish the current request chunk.
* @rq: the request to finish the current chunk for
* @error: %0 for success, < %0 for error
*
* Description:
* Complete the current consecutively mapped chunk from @rq.
*
* Return:
* %false - we are done with this request
* %true - still buffers pending for this request
*/
bool blk_end_request_cur(struct request *rq, int error)
{
return blk_end_request(rq, error, blk_rq_cur_bytes(rq));
}
EXPORT_SYMBOL(blk_end_request_cur);
/**
* blk_end_request_err - Finish a request till the next failure boundary.
* @rq: the request to finish till the next failure boundary for
* @error: must be negative errno
*
* Description:
* Complete @rq till the next failure boundary.
*
* Return:
* %false - we are done with this request
* %true - still buffers pending for this request
*/
bool blk_end_request_err(struct request *rq, int error)
{
WARN_ON(error >= 0);
return blk_end_request(rq, error, blk_rq_err_bytes(rq));
}
EXPORT_SYMBOL_GPL(blk_end_request_err);
/**
* __blk_end_request - Helper function for drivers to complete the request.
* @rq: the request being processed
* @error: %0 for success, < %0 for error
* @nr_bytes: number of bytes to complete
*
* Description:
* Must be called with queue lock held unlike blk_end_request().
*
* Return:
* %false - we are done with this request
* %true - still buffers pending for this request
**/
bool __blk_end_request(struct request *rq, int error, unsigned int nr_bytes)
{
return __blk_end_bidi_request(rq, error, nr_bytes, 0);
}
EXPORT_SYMBOL(__blk_end_request);
/**
* __blk_end_request_all - Helper function for drives to finish the request.
* @rq: the request to finish
* @error: %0 for success, < %0 for error
*
* Description:
* Completely finish @rq. Must be called with queue lock held.
*/
void __blk_end_request_all(struct request *rq, int error)
{
bool pending;
unsigned int bidi_bytes = 0;
if (unlikely(blk_bidi_rq(rq)))
bidi_bytes = blk_rq_bytes(rq->next_rq);
pending = __blk_end_bidi_request(rq, error, blk_rq_bytes(rq), bidi_bytes);
BUG_ON(pending);
}
EXPORT_SYMBOL(__blk_end_request_all);
/**
* __blk_end_request_cur - Helper function to finish the current request chunk.
* @rq: the request to finish the current chunk for
* @error: %0 for success, < %0 for error
*
* Description:
* Complete the current consecutively mapped chunk from @rq. Must
* be called with queue lock held.
*
* Return:
* %false - we are done with this request
* %true - still buffers pending for this request
*/
bool __blk_end_request_cur(struct request *rq, int error)
{
return __blk_end_request(rq, error, blk_rq_cur_bytes(rq));
}
EXPORT_SYMBOL(__blk_end_request_cur);
/**
* __blk_end_request_err - Finish a request till the next failure boundary.
* @rq: the request to finish till the next failure boundary for
* @error: must be negative errno
*
* Description:
* Complete @rq till the next failure boundary. Must be called
* with queue lock held.
*
* Return:
* %false - we are done with this request
* %true - still buffers pending for this request
*/
bool __blk_end_request_err(struct request *rq, int error)
{
WARN_ON(error >= 0);
return __blk_end_request(rq, error, blk_rq_err_bytes(rq));
}
EXPORT_SYMBOL_GPL(__blk_end_request_err);
void blk_rq_bio_prep(struct request_queue *q, struct request *rq,
struct bio *bio)
{
/* Bit 0 (R/W) is identical in rq->cmd_flags and bio->bi_rw */
rq->cmd_flags |= bio->bi_rw & REQ_WRITE;
if (bio_has_data(bio)) {
rq->nr_phys_segments = bio_phys_segments(q, bio);
rq->buffer = bio_data(bio);
}
rq->__data_len = bio->bi_size;
rq->bio = rq->biotail = bio;
if (bio->bi_bdev)
rq->rq_disk = bio->bi_bdev->bd_disk;
}
#if ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE
/**
* rq_flush_dcache_pages - Helper function to flush all pages in a request
* @rq: the request to be flushed
*
* Description:
* Flush all pages in @rq.
*/
void rq_flush_dcache_pages(struct request *rq)
{
struct req_iterator iter;
struct bio_vec *bvec;
rq_for_each_segment(bvec, rq, iter)
flush_dcache_page(bvec->bv_page);
}
EXPORT_SYMBOL_GPL(rq_flush_dcache_pages);
#endif
/**
* blk_lld_busy - Check if underlying low-level drivers of a device are busy
* @q : the queue of the device being checked
*
* Description:
* Check if underlying low-level drivers of a device are busy.
* If the drivers want to export their busy state, they must set own
* exporting function using blk_queue_lld_busy() first.
*
* Basically, this function is used only by request stacking drivers
* to stop dispatching requests to underlying devices when underlying
* devices are busy. This behavior helps more I/O merging on the queue
* of the request stacking driver and prevents I/O throughput regression
* on burst I/O load.
*
* Return:
* 0 - Not busy (The request stacking driver should dispatch request)
* 1 - Busy (The request stacking driver should stop dispatching request)
*/
int blk_lld_busy(struct request_queue *q)
{
if (q->lld_busy_fn)
return q->lld_busy_fn(q);
return 0;
}
EXPORT_SYMBOL_GPL(blk_lld_busy);
/**
* blk_rq_unprep_clone - Helper function to free all bios in a cloned request
* @rq: the clone request to be cleaned up
*
* Description:
* Free all bios in @rq for a cloned request.
*/
void blk_rq_unprep_clone(struct request *rq)
{
struct bio *bio;
while ((bio = rq->bio) != NULL) {
rq->bio = bio->bi_next;
bio_put(bio);
}
}
EXPORT_SYMBOL_GPL(blk_rq_unprep_clone);
/*
* Copy attributes of the original request to the clone request.
* The actual data parts (e.g. ->cmd, ->buffer, ->sense) are not copied.
*/
static void __blk_rq_prep_clone(struct request *dst, struct request *src)
{
dst->cpu = src->cpu;
dst->cmd_flags = (src->cmd_flags & REQ_CLONE_MASK) | REQ_NOMERGE;
dst->cmd_type = src->cmd_type;
dst->__sector = blk_rq_pos(src);
dst->__data_len = blk_rq_bytes(src);
dst->nr_phys_segments = src->nr_phys_segments;
dst->ioprio = src->ioprio;
dst->extra_len = src->extra_len;
}
/**
* blk_rq_prep_clone - Helper function to setup clone request
* @rq: the request to be setup
* @rq_src: original request to be cloned
* @bs: bio_set that bios for clone are allocated from
* @gfp_mask: memory allocation mask for bio
* @bio_ctr: setup function to be called for each clone bio.
* Returns %0 for success, non %0 for failure.
* @data: private data to be passed to @bio_ctr
*
* Description:
* Clones bios in @rq_src to @rq, and copies attributes of @rq_src to @rq.
* The actual data parts of @rq_src (e.g. ->cmd, ->buffer, ->sense)
* are not copied, and copying such parts is the caller's responsibility.
* Also, pages which the original bios are pointing to are not copied
* and the cloned bios just point same pages.
* So cloned bios must be completed before original bios, which means
* the caller must complete @rq before @rq_src.
*/
int blk_rq_prep_clone(struct request *rq, struct request *rq_src,
struct bio_set *bs, gfp_t gfp_mask,
int (*bio_ctr)(struct bio *, struct bio *, void *),
void *data)
{
struct bio *bio, *bio_src;
if (!bs)
bs = fs_bio_set;
blk_rq_init(NULL, rq);
__rq_for_each_bio(bio_src, rq_src) {
bio = bio_alloc_bioset(gfp_mask, bio_src->bi_max_vecs, bs);
if (!bio)
goto free_and_out;
__bio_clone(bio, bio_src);
if (bio_integrity(bio_src) &&
bio_integrity_clone(bio, bio_src, gfp_mask, bs))
goto free_and_out;
if (bio_ctr && bio_ctr(bio, bio_src, data))
goto free_and_out;
if (rq->bio) {
rq->biotail->bi_next = bio;
rq->biotail = bio;
} else
rq->bio = rq->biotail = bio;
}
__blk_rq_prep_clone(rq, rq_src);
return 0;
free_and_out:
if (bio)
bio_free(bio, bs);
blk_rq_unprep_clone(rq);
return -ENOMEM;
}
EXPORT_SYMBOL_GPL(blk_rq_prep_clone);
int kblockd_schedule_work(struct request_queue *q, struct work_struct *work)
{
return queue_work(kblockd_workqueue, work);
}
EXPORT_SYMBOL(kblockd_schedule_work);
int kblockd_schedule_delayed_work(struct request_queue *q,
struct delayed_work *dwork, unsigned long delay)
{
return queue_delayed_work(kblockd_workqueue, dwork, delay);
}
EXPORT_SYMBOL(kblockd_schedule_delayed_work);
#define PLUG_MAGIC 0x91827364
/**
* blk_start_plug - initialize blk_plug and track it inside the task_struct
* @plug: The &struct blk_plug that needs to be initialized
*
* Description:
* Tracking blk_plug inside the task_struct will help with auto-flushing the
* pending I/O should the task end up blocking between blk_start_plug() and
* blk_finish_plug(). This is important from a performance perspective, but
* also ensures that we don't deadlock. For instance, if the task is blocking
* for a memory allocation, memory reclaim could end up wanting to free a
* page belonging to that request that is currently residing in our private
* plug. By flushing the pending I/O when the process goes to sleep, we avoid
* this kind of deadlock.
*/
void blk_start_plug(struct blk_plug *plug)
{
struct task_struct *tsk = current;
plug->magic = PLUG_MAGIC;
INIT_LIST_HEAD(&plug->list);
INIT_LIST_HEAD(&plug->cb_list);
plug->should_sort = 0;
/*
* If this is a nested plug, don't actually assign it. It will be
* flushed on its own.
*/
if (!tsk->plug) {
/*
* Store ordering should not be needed here, since a potential
* preempt will imply a full memory barrier
*/
tsk->plug = plug;
}
}
EXPORT_SYMBOL(blk_start_plug);
static int plug_rq_cmp(void *priv, struct list_head *a, struct list_head *b)
{
struct request *rqa = container_of(a, struct request, queuelist);
struct request *rqb = container_of(b, struct request, queuelist);
return !(rqa->queue_ctx <= rqb->queue_ctx);
}
/*
* If 'from_schedule' is true, then postpone the dispatch of requests
* until a safe kblockd context. We due this to avoid accidental big
* additional stack usage in driver dispatch, in places where the originally
* plugger did not intend it.
*/
static void queue_unplugged(struct request_queue *q, unsigned int depth,
bool from_schedule)
{
trace_block_unplug(q, depth, !from_schedule);
/*
* Don't mess with dead queue.
*/
if (unlikely(blk_queue_dead(q)))
return;
/*
* If we are punting this to kblockd, then we can safely drop
* the queue_lock before waking kblockd (which needs to take
* this lock).
*/
if (from_schedule)
blk_run_queue_async(q);
else {
spin_lock(q->queue_lock);
__blk_run_queue(q);
spin_unlock(q->queue_lock);
}
}
static void flush_plug_callbacks(struct blk_plug *plug)
{
LIST_HEAD(callbacks);
if (list_empty(&plug->cb_list))
return;
list_splice_init(&plug->cb_list, &callbacks);
while (!list_empty(&callbacks)) {
struct blk_plug_cb *cb = list_first_entry(&callbacks,
struct blk_plug_cb,
list);
list_del(&cb->list);
cb->callback(cb);
}
}
void blk_flush_plug_list(struct blk_plug *plug, bool from_schedule)
{
struct blk_queue_ctx *ctx;
unsigned long flags;
struct request *rq;
LIST_HEAD(list);
unsigned int depth;
BUG_ON(plug->magic != PLUG_MAGIC);
flush_plug_callbacks(plug);
if (list_empty(&plug->list))
return;
list_splice_init(&plug->list, &list);
if (plug->should_sort) {
list_sort(NULL, &list, plug_rq_cmp);
plug->should_sort = 0;
}
ctx = NULL;
depth = 0;
/*
* Save and disable interrupts here, to avoid doing it for every
* queue lock we have to take.
*/
local_irq_save(flags);
while (!list_empty(&list)) {
rq = list_entry_rq(list.next);
list_del_init(&rq->queuelist);
BUG_ON(!rq->queue_ctx);
if (rq->queue_ctx != ctx) {
if (ctx) {
spin_unlock(&ctx->lock);
queue_unplugged(ctx->queue, depth, from_schedule);
}
ctx = rq->queue_ctx;
depth = 0;
spin_lock(&ctx->lock);
}
/*
* Short-circuit if @q is dead
*/
if (unlikely(blk_queue_dead(ctx->queue))) {
__blk_end_request_all(rq, -ENODEV);
continue;
}
/*
* rq is already accounted, so use raw insert
*/
if (rq->cmd_flags & (REQ_FLUSH | REQ_FUA))
__elv_add_request(rq, ELEVATOR_INSERT_FLUSH);
else
__elv_add_request(rq, ELEVATOR_INSERT_SORT_MERGE);
depth++;
}
/*
* This drops the queue lock
*/
if (ctx) {
spin_unlock(&ctx->lock);
queue_unplugged(ctx->queue, depth, from_schedule);
}
local_irq_restore(flags);
}
void blk_finish_plug(struct blk_plug *plug)
{
blk_flush_plug_list(plug, false);
if (plug == current->plug)
current->plug = NULL;
}
EXPORT_SYMBOL(blk_finish_plug);
int __init blk_dev_init(void)
{
BUILD_BUG_ON(__REQ_NR_BITS > 8 *
sizeof(((struct request *)0)->cmd_flags));
/* used for unplugging and affects IO latency/throughput - HIGHPRI */
kblockd_workqueue = alloc_workqueue("kblockd",
WQ_MEM_RECLAIM | WQ_HIGHPRI, 0);
if (!kblockd_workqueue)
panic("Failed to create kblockd\n");
request_cachep = kmem_cache_create("blkdev_requests",
sizeof(struct request), 0, SLAB_PANIC, NULL);
blk_requestq_cachep = kmem_cache_create("blkdev_queue",
sizeof(struct request_queue), 0, SLAB_PANIC, NULL);
return 0;
}
[-- Attachment #4: scsi_transport_fc.c --]
[-- Type: text/x-csrc, Size: 123921 bytes --]
/*
* FiberChannel transport specific attributes exported to sysfs.
*
* Copyright (c) 2003 Silicon Graphics, Inc. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* ========
*
* Copyright (C) 2004-2007 James Smart, Emulex Corporation
* Rewrite for host, target, device, and remote port attributes,
* statistics, and service functions...
* Add vports, etc
*
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/kernel.h>
#include <scsi/scsi_device.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_transport.h>
#include <scsi/scsi_transport_fc.h>
#include <scsi/scsi_cmnd.h>
#include <linux/netlink.h>
#include <net/netlink.h>
#include <scsi/scsi_netlink_fc.h>
#include <scsi/scsi_bsg_fc.h>
#include "scsi_priv.h"
#include "scsi_transport_fc_internal.h"
static int fc_queue_work(struct Scsi_Host *, struct work_struct *);
static void fc_vport_sched_delete(struct work_struct *work);
static int fc_vport_setup(struct Scsi_Host *shost, int channel,
struct device *pdev, struct fc_vport_identifiers *ids,
struct fc_vport **vport);
static int fc_bsg_hostadd(struct Scsi_Host *, struct fc_host_attrs *);
static int fc_bsg_rportadd(struct Scsi_Host *, struct fc_rport *);
static void fc_bsg_remove(struct request_queue *);
static void fc_bsg_goose_queue(struct fc_rport *);
/*
* Module Parameters
*/
/*
* dev_loss_tmo: the default number of seconds that the FC transport
* should insulate the loss of a remote port.
* The maximum will be capped by the value of SCSI_DEVICE_BLOCK_MAX_TIMEOUT.
*/
static unsigned int fc_dev_loss_tmo = 60; /* seconds */
module_param_named(dev_loss_tmo, fc_dev_loss_tmo, uint, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(dev_loss_tmo,
"Maximum number of seconds that the FC transport should"
" insulate the loss of a remote port. Once this value is"
" exceeded, the scsi target is removed. Value should be"
" between 1 and SCSI_DEVICE_BLOCK_MAX_TIMEOUT if"
" fast_io_fail_tmo is not set.");
/*
* Redefine so that we can have same named attributes in the
* sdev/starget/host objects.
*/
#define FC_DEVICE_ATTR(_prefix,_name,_mode,_show,_store) \
struct device_attribute device_attr_##_prefix##_##_name = \
__ATTR(_name,_mode,_show,_store)
#define fc_enum_name_search(title, table_type, table) \
static const char *get_fc_##title##_name(enum table_type table_key) \
{ \
int i; \
char *name = NULL; \
\
for (i = 0; i < ARRAY_SIZE(table); i++) { \
if (table[i].value == table_key) { \
name = table[i].name; \
break; \
} \
} \
return name; \
}
#define fc_enum_name_match(title, table_type, table) \
static int get_fc_##title##_match(const char *table_key, \
enum table_type *value) \
{ \
int i; \
\
for (i = 0; i < ARRAY_SIZE(table); i++) { \
if (strncmp(table_key, table[i].name, \
table[i].matchlen) == 0) { \
*value = table[i].value; \
return 0; /* success */ \
} \
} \
return 1; /* failure */ \
}
/* Convert fc_port_type values to ascii string name */
static struct {
enum fc_port_type value;
char *name;
} fc_port_type_names[] = {
{ FC_PORTTYPE_UNKNOWN, "Unknown" },
{ FC_PORTTYPE_OTHER, "Other" },
{ FC_PORTTYPE_NOTPRESENT, "Not Present" },
{ FC_PORTTYPE_NPORT, "NPort (fabric via point-to-point)" },
{ FC_PORTTYPE_NLPORT, "NLPort (fabric via loop)" },
{ FC_PORTTYPE_LPORT, "LPort (private loop)" },
{ FC_PORTTYPE_PTP, "Point-To-Point (direct nport connection)" },
{ FC_PORTTYPE_NPIV, "NPIV VPORT" },
};
fc_enum_name_search(port_type, fc_port_type, fc_port_type_names)
#define FC_PORTTYPE_MAX_NAMELEN 50
/* Reuse fc_port_type enum function for vport_type */
#define get_fc_vport_type_name get_fc_port_type_name
/* Convert fc_host_event_code values to ascii string name */
static const struct {
enum fc_host_event_code value;
char *name;
} fc_host_event_code_names[] = {
{ FCH_EVT_LIP, "lip" },
{ FCH_EVT_LINKUP, "link_up" },
{ FCH_EVT_LINKDOWN, "link_down" },
{ FCH_EVT_LIPRESET, "lip_reset" },
{ FCH_EVT_RSCN, "rscn" },
{ FCH_EVT_ADAPTER_CHANGE, "adapter_chg" },
{ FCH_EVT_PORT_UNKNOWN, "port_unknown" },
{ FCH_EVT_PORT_ONLINE, "port_online" },
{ FCH_EVT_PORT_OFFLINE, "port_offline" },
{ FCH_EVT_PORT_FABRIC, "port_fabric" },
{ FCH_EVT_LINK_UNKNOWN, "link_unknown" },
{ FCH_EVT_VENDOR_UNIQUE, "vendor_unique" },
};
fc_enum_name_search(host_event_code, fc_host_event_code,
fc_host_event_code_names)
#define FC_HOST_EVENT_CODE_MAX_NAMELEN 30
/* Convert fc_port_state values to ascii string name */
static struct {
enum fc_port_state value;
char *name;
} fc_port_state_names[] = {
{ FC_PORTSTATE_UNKNOWN, "Unknown" },
{ FC_PORTSTATE_NOTPRESENT, "Not Present" },
{ FC_PORTSTATE_ONLINE, "Online" },
{ FC_PORTSTATE_OFFLINE, "Offline" },
{ FC_PORTSTATE_BLOCKED, "Blocked" },
{ FC_PORTSTATE_BYPASSED, "Bypassed" },
{ FC_PORTSTATE_DIAGNOSTICS, "Diagnostics" },
{ FC_PORTSTATE_LINKDOWN, "Linkdown" },
{ FC_PORTSTATE_ERROR, "Error" },
{ FC_PORTSTATE_LOOPBACK, "Loopback" },
{ FC_PORTSTATE_DELETED, "Deleted" },
};
fc_enum_name_search(port_state, fc_port_state, fc_port_state_names)
#define FC_PORTSTATE_MAX_NAMELEN 20
/* Convert fc_vport_state values to ascii string name */
static struct {
enum fc_vport_state value;
char *name;
} fc_vport_state_names[] = {
{ FC_VPORT_UNKNOWN, "Unknown" },
{ FC_VPORT_ACTIVE, "Active" },
{ FC_VPORT_DISABLED, "Disabled" },
{ FC_VPORT_LINKDOWN, "Linkdown" },
{ FC_VPORT_INITIALIZING, "Initializing" },
{ FC_VPORT_NO_FABRIC_SUPP, "No Fabric Support" },
{ FC_VPORT_NO_FABRIC_RSCS, "No Fabric Resources" },
{ FC_VPORT_FABRIC_LOGOUT, "Fabric Logout" },
{ FC_VPORT_FABRIC_REJ_WWN, "Fabric Rejected WWN" },
{ FC_VPORT_FAILED, "VPort Failed" },
};
fc_enum_name_search(vport_state, fc_vport_state, fc_vport_state_names)
#define FC_VPORTSTATE_MAX_NAMELEN 24
/* Reuse fc_vport_state enum function for vport_last_state */
#define get_fc_vport_last_state_name get_fc_vport_state_name
/* Convert fc_tgtid_binding_type values to ascii string name */
static const struct {
enum fc_tgtid_binding_type value;
char *name;
int matchlen;
} fc_tgtid_binding_type_names[] = {
{ FC_TGTID_BIND_NONE, "none", 4 },
{ FC_TGTID_BIND_BY_WWPN, "wwpn (World Wide Port Name)", 4 },
{ FC_TGTID_BIND_BY_WWNN, "wwnn (World Wide Node Name)", 4 },
{ FC_TGTID_BIND_BY_ID, "port_id (FC Address)", 7 },
};
fc_enum_name_search(tgtid_bind_type, fc_tgtid_binding_type,
fc_tgtid_binding_type_names)
fc_enum_name_match(tgtid_bind_type, fc_tgtid_binding_type,
fc_tgtid_binding_type_names)
#define FC_BINDTYPE_MAX_NAMELEN 30
#define fc_bitfield_name_search(title, table) \
static ssize_t \
get_fc_##title##_names(u32 table_key, char *buf) \
{ \
char *prefix = ""; \
ssize_t len = 0; \
int i; \
\
for (i = 0; i < ARRAY_SIZE(table); i++) { \
if (table[i].value & table_key) { \
len += sprintf(buf + len, "%s%s", \
prefix, table[i].name); \
prefix = ", "; \
} \
} \
len += sprintf(buf + len, "\n"); \
return len; \
}
/* Convert FC_COS bit values to ascii string name */
static const struct {
u32 value;
char *name;
} fc_cos_names[] = {
{ FC_COS_CLASS1, "Class 1" },
{ FC_COS_CLASS2, "Class 2" },
{ FC_COS_CLASS3, "Class 3" },
{ FC_COS_CLASS4, "Class 4" },
{ FC_COS_CLASS6, "Class 6" },
};
fc_bitfield_name_search(cos, fc_cos_names)
/* Convert FC_PORTSPEED bit values to ascii string name */
static const struct {
u32 value;
char *name;
} fc_port_speed_names[] = {
{ FC_PORTSPEED_1GBIT, "1 Gbit" },
{ FC_PORTSPEED_2GBIT, "2 Gbit" },
{ FC_PORTSPEED_4GBIT, "4 Gbit" },
{ FC_PORTSPEED_10GBIT, "10 Gbit" },
{ FC_PORTSPEED_8GBIT, "8 Gbit" },
{ FC_PORTSPEED_16GBIT, "16 Gbit" },
{ FC_PORTSPEED_NOT_NEGOTIATED, "Not Negotiated" },
};
fc_bitfield_name_search(port_speed, fc_port_speed_names)
static int
show_fc_fc4s (char *buf, u8 *fc4_list)
{
int i, len=0;
for (i = 0; i < FC_FC4_LIST_SIZE; i++, fc4_list++)
len += sprintf(buf + len , "0x%02x ", *fc4_list);
len += sprintf(buf + len, "\n");
return len;
}
/* Convert FC_PORT_ROLE bit values to ascii string name */
static const struct {
u32 value;
char *name;
} fc_port_role_names[] = {
{ FC_PORT_ROLE_FCP_TARGET, "FCP Target" },
{ FC_PORT_ROLE_FCP_INITIATOR, "FCP Initiator" },
{ FC_PORT_ROLE_IP_PORT, "IP Port" },
};
fc_bitfield_name_search(port_roles, fc_port_role_names)
/*
* Define roles that are specific to port_id. Values are relative to ROLE_MASK.
*/
#define FC_WELLKNOWN_PORTID_MASK 0xfffff0
#define FC_WELLKNOWN_ROLE_MASK 0x00000f
#define FC_FPORT_PORTID 0x00000e
#define FC_FABCTLR_PORTID 0x00000d
#define FC_DIRSRVR_PORTID 0x00000c
#define FC_TIMESRVR_PORTID 0x00000b
#define FC_MGMTSRVR_PORTID 0x00000a
static void fc_timeout_deleted_rport(struct work_struct *work);
static void fc_timeout_fail_rport_io(struct work_struct *work);
static void fc_scsi_scan_rport(struct work_struct *work);
/*
* Attribute counts pre object type...
* Increase these values if you add attributes
*/
#define FC_STARGET_NUM_ATTRS 3
#define FC_RPORT_NUM_ATTRS 10
#define FC_VPORT_NUM_ATTRS 9
#define FC_HOST_NUM_ATTRS 29
struct fc_internal {
struct scsi_transport_template t;
struct fc_function_template *f;
/*
* For attributes : each object has :
* An array of the actual attributes structures
* An array of null-terminated pointers to the attribute
* structures - used for mid-layer interaction.
*
* The attribute containers for the starget and host are are
* part of the midlayer. As the remote port is specific to the
* fc transport, we must provide the attribute container.
*/
struct device_attribute private_starget_attrs[
FC_STARGET_NUM_ATTRS];
struct device_attribute *starget_attrs[FC_STARGET_NUM_ATTRS + 1];
struct device_attribute private_host_attrs[FC_HOST_NUM_ATTRS];
struct device_attribute *host_attrs[FC_HOST_NUM_ATTRS + 1];
struct transport_container rport_attr_cont;
struct device_attribute private_rport_attrs[FC_RPORT_NUM_ATTRS];
struct device_attribute *rport_attrs[FC_RPORT_NUM_ATTRS + 1];
struct transport_container vport_attr_cont;
struct device_attribute private_vport_attrs[FC_VPORT_NUM_ATTRS];
struct device_attribute *vport_attrs[FC_VPORT_NUM_ATTRS + 1];
};
#define to_fc_internal(tmpl) container_of(tmpl, struct fc_internal, t)
static int fc_target_setup(struct transport_container *tc, struct device *dev,
struct device *cdev)
{
struct scsi_target *starget = to_scsi_target(dev);
struct fc_rport *rport = starget_to_rport(starget);
/*
* if parent is remote port, use values from remote port.
* Otherwise, this host uses the fc_transport, but not the
* remote port interface. As such, initialize to known non-values.
*/
if (rport) {
fc_starget_node_name(starget) = rport->node_name;
fc_starget_port_name(starget) = rport->port_name;
fc_starget_port_id(starget) = rport->port_id;
} else {
fc_starget_node_name(starget) = -1;
fc_starget_port_name(starget) = -1;
fc_starget_port_id(starget) = -1;
}
return 0;
}
static DECLARE_TRANSPORT_CLASS(fc_transport_class,
"fc_transport",
fc_target_setup,
NULL,
NULL);
static int fc_host_setup(struct transport_container *tc, struct device *dev,
struct device *cdev)
{
struct Scsi_Host *shost = dev_to_shost(dev);
struct fc_host_attrs *fc_host = shost_to_fc_host(shost);
/*
* Set default values easily detected by the midlayer as
* failure cases. The scsi lldd is responsible for initializing
* all transport attributes to valid values per host.
*/
fc_host->node_name = -1;
fc_host->port_name = -1;
fc_host->permanent_port_name = -1;
fc_host->supported_classes = FC_COS_UNSPECIFIED;
memset(fc_host->supported_fc4s, 0,
sizeof(fc_host->supported_fc4s));
fc_host->supported_speeds = FC_PORTSPEED_UNKNOWN;
fc_host->maxframe_size = -1;
fc_host->max_npiv_vports = 0;
memset(fc_host->serial_number, 0,
sizeof(fc_host->serial_number));
memset(fc_host->manufacturer, 0,
sizeof(fc_host->manufacturer));
memset(fc_host->model, 0,
sizeof(fc_host->model));
memset(fc_host->model_description, 0,
sizeof(fc_host->model_description));
memset(fc_host->hardware_version, 0,
sizeof(fc_host->hardware_version));
memset(fc_host->driver_version, 0,
sizeof(fc_host->driver_version));
memset(fc_host->firmware_version, 0,
sizeof(fc_host->firmware_version));
memset(fc_host->optionrom_version, 0,
sizeof(fc_host->optionrom_version));
fc_host->port_id = -1;
fc_host->port_type = FC_PORTTYPE_UNKNOWN;
fc_host->port_state = FC_PORTSTATE_UNKNOWN;
memset(fc_host->active_fc4s, 0,
sizeof(fc_host->active_fc4s));
fc_host->speed = FC_PORTSPEED_UNKNOWN;
fc_host->fabric_name = -1;
memset(fc_host->symbolic_name, 0, sizeof(fc_host->symbolic_name));
memset(fc_host->system_hostname, 0, sizeof(fc_host->system_hostname));
fc_host->tgtid_bind_type = FC_TGTID_BIND_BY_WWPN;
INIT_LIST_HEAD(&fc_host->rports);
INIT_LIST_HEAD(&fc_host->rport_bindings);
INIT_LIST_HEAD(&fc_host->vports);
fc_host->next_rport_number = 0;
fc_host->next_target_id = 0;
fc_host->next_vport_number = 0;
fc_host->npiv_vports_inuse = 0;
snprintf(fc_host->work_q_name, sizeof(fc_host->work_q_name),
"fc_wq_%d", shost->host_no);
fc_host->work_q = alloc_workqueue(fc_host->work_q_name, 0, 0);
if (!fc_host->work_q)
return -ENOMEM;
fc_host->dev_loss_tmo = fc_dev_loss_tmo;
snprintf(fc_host->devloss_work_q_name,
sizeof(fc_host->devloss_work_q_name),
"fc_dl_%d", shost->host_no);
fc_host->devloss_work_q =
alloc_workqueue(fc_host->devloss_work_q_name, 0, 0);
if (!fc_host->devloss_work_q) {
destroy_workqueue(fc_host->work_q);
fc_host->work_q = NULL;
return -ENOMEM;
}
fc_bsg_hostadd(shost, fc_host);
/* ignore any bsg add error - we just can't do sgio */
return 0;
}
static int fc_host_remove(struct transport_container *tc, struct device *dev,
struct device *cdev)
{
struct Scsi_Host *shost = dev_to_shost(dev);
struct fc_host_attrs *fc_host = shost_to_fc_host(shost);
fc_bsg_remove(fc_host->rqst_q);
return 0;
}
static DECLARE_TRANSPORT_CLASS(fc_host_class,
"fc_host",
fc_host_setup,
fc_host_remove,
NULL);
/*
* Setup and Remove actions for remote ports are handled
* in the service functions below.
*/
static DECLARE_TRANSPORT_CLASS(fc_rport_class,
"fc_remote_ports",
NULL,
NULL,
NULL);
/*
* Setup and Remove actions for virtual ports are handled
* in the service functions below.
*/
static DECLARE_TRANSPORT_CLASS(fc_vport_class,
"fc_vports",
NULL,
NULL,
NULL);
/*
* Netlink Infrastructure
*/
static atomic_t fc_event_seq;
/**
* fc_get_event_number - Obtain the next sequential FC event number
*
* Notes:
* We could have inlined this, but it would have required fc_event_seq to
* be exposed. For now, live with the subroutine call.
* Atomic used to avoid lock/unlock...
*/
u32
fc_get_event_number(void)
{
return atomic_add_return(1, &fc_event_seq);
}
EXPORT_SYMBOL(fc_get_event_number);
/**
* fc_host_post_event - called to post an even on an fc_host.
* @shost: host the event occurred on
* @event_number: fc event number obtained from get_fc_event_number()
* @event_code: fc_host event being posted
* @event_data: 32bits of data for the event being posted
*
* Notes:
* This routine assumes no locks are held on entry.
*/
void
fc_host_post_event(struct Scsi_Host *shost, u32 event_number,
enum fc_host_event_code event_code, u32 event_data)
{
struct sk_buff *skb;
struct nlmsghdr *nlh;
struct fc_nl_event *event;
const char *name;
u32 len, skblen;
int err;
if (!scsi_nl_sock) {
err = -ENOENT;
goto send_fail;
}
len = FC_NL_MSGALIGN(sizeof(*event));
skblen = NLMSG_SPACE(len);
skb = alloc_skb(skblen, GFP_KERNEL);
if (!skb) {
err = -ENOBUFS;
goto send_fail;
}
nlh = nlmsg_put(skb, 0, 0, SCSI_TRANSPORT_MSG,
skblen - sizeof(*nlh), 0);
if (!nlh) {
err = -ENOBUFS;
goto send_fail_skb;
}
event = NLMSG_DATA(nlh);
INIT_SCSI_NL_HDR(&event->snlh, SCSI_NL_TRANSPORT_FC,
FC_NL_ASYNC_EVENT, len);
event->seconds = get_seconds();
event->vendor_id = 0;
event->host_no = shost->host_no;
event->event_datalen = sizeof(u32); /* bytes */
event->event_num = event_number;
event->event_code = event_code;
event->event_data = event_data;
nlmsg_multicast(scsi_nl_sock, skb, 0, SCSI_NL_GRP_FC_EVENTS,
GFP_KERNEL);
return;
send_fail_skb:
kfree_skb(skb);
send_fail:
name = get_fc_host_event_code_name(event_code);
printk(KERN_WARNING
"%s: Dropped Event : host %d %s data 0x%08x - err %d\n",
__func__, shost->host_no,
(name) ? name : "<unknown>", event_data, err);
return;
}
EXPORT_SYMBOL(fc_host_post_event);
/**
* fc_host_post_vendor_event - called to post a vendor unique event on an fc_host
* @shost: host the event occurred on
* @event_number: fc event number obtained from get_fc_event_number()
* @data_len: amount, in bytes, of vendor unique data
* @data_buf: pointer to vendor unique data
* @vendor_id: Vendor id
*
* Notes:
* This routine assumes no locks are held on entry.
*/
void
fc_host_post_vendor_event(struct Scsi_Host *shost, u32 event_number,
u32 data_len, char * data_buf, u64 vendor_id)
{
struct sk_buff *skb;
struct nlmsghdr *nlh;
struct fc_nl_event *event;
u32 len, skblen;
int err;
if (!scsi_nl_sock) {
err = -ENOENT;
goto send_vendor_fail;
}
len = FC_NL_MSGALIGN(sizeof(*event) + data_len);
skblen = NLMSG_SPACE(len);
skb = alloc_skb(skblen, GFP_KERNEL);
if (!skb) {
err = -ENOBUFS;
goto send_vendor_fail;
}
nlh = nlmsg_put(skb, 0, 0, SCSI_TRANSPORT_MSG,
skblen - sizeof(*nlh), 0);
if (!nlh) {
err = -ENOBUFS;
goto send_vendor_fail_skb;
}
event = NLMSG_DATA(nlh);
INIT_SCSI_NL_HDR(&event->snlh, SCSI_NL_TRANSPORT_FC,
FC_NL_ASYNC_EVENT, len);
event->seconds = get_seconds();
event->vendor_id = vendor_id;
event->host_no = shost->host_no;
event->event_datalen = data_len; /* bytes */
event->event_num = event_number;
event->event_code = FCH_EVT_VENDOR_UNIQUE;
memcpy(&event->event_data, data_buf, data_len);
nlmsg_multicast(scsi_nl_sock, skb, 0, SCSI_NL_GRP_FC_EVENTS,
GFP_KERNEL);
return;
send_vendor_fail_skb:
kfree_skb(skb);
send_vendor_fail:
printk(KERN_WARNING
"%s: Dropped Event : host %d vendor_unique - err %d\n",
__func__, shost->host_no, err);
return;
}
EXPORT_SYMBOL(fc_host_post_vendor_event);
static __init int fc_transport_init(void)
{
int error;
atomic_set(&fc_event_seq, 0);
error = transport_class_register(&fc_host_class);
if (error)
return error;
error = transport_class_register(&fc_vport_class);
if (error)
goto unreg_host_class;
error = transport_class_register(&fc_rport_class);
if (error)
goto unreg_vport_class;
error = transport_class_register(&fc_transport_class);
if (error)
goto unreg_rport_class;
return 0;
unreg_rport_class:
transport_class_unregister(&fc_rport_class);
unreg_vport_class:
transport_class_unregister(&fc_vport_class);
unreg_host_class:
transport_class_unregister(&fc_host_class);
return error;
}
static void __exit fc_transport_exit(void)
{
transport_class_unregister(&fc_transport_class);
transport_class_unregister(&fc_rport_class);
transport_class_unregister(&fc_host_class);
transport_class_unregister(&fc_vport_class);
}
/*
* FC Remote Port Attribute Management
*/
#define fc_rport_show_function(field, format_string, sz, cast) \
static ssize_t \
show_fc_rport_##field (struct device *dev, \
struct device_attribute *attr, char *buf) \
{ \
struct fc_rport *rport = transport_class_to_rport(dev); \
struct Scsi_Host *shost = rport_to_shost(rport); \
struct fc_internal *i = to_fc_internal(shost->transportt); \
if ((i->f->get_rport_##field) && \
!((rport->port_state == FC_PORTSTATE_BLOCKED) || \
(rport->port_state == FC_PORTSTATE_DELETED) || \
(rport->port_state == FC_PORTSTATE_NOTPRESENT))) \
i->f->get_rport_##field(rport); \
return snprintf(buf, sz, format_string, cast rport->field); \
}
#define fc_rport_store_function(field) \
static ssize_t \
store_fc_rport_##field(struct device *dev, \
struct device_attribute *attr, \
const char *buf, size_t count) \
{ \
int val; \
struct fc_rport *rport = transport_class_to_rport(dev); \
struct Scsi_Host *shost = rport_to_shost(rport); \
struct fc_internal *i = to_fc_internal(shost->transportt); \
char *cp; \
if ((rport->port_state == FC_PORTSTATE_BLOCKED) || \
(rport->port_state == FC_PORTSTATE_DELETED) || \
(rport->port_state == FC_PORTSTATE_NOTPRESENT)) \
return -EBUSY; \
val = simple_strtoul(buf, &cp, 0); \
if (*cp && (*cp != '\n')) \
return -EINVAL; \
i->f->set_rport_##field(rport, val); \
return count; \
}
#define fc_rport_rd_attr(field, format_string, sz) \
fc_rport_show_function(field, format_string, sz, ) \
static FC_DEVICE_ATTR(rport, field, S_IRUGO, \
show_fc_rport_##field, NULL)
#define fc_rport_rd_attr_cast(field, format_string, sz, cast) \
fc_rport_show_function(field, format_string, sz, (cast)) \
static FC_DEVICE_ATTR(rport, field, S_IRUGO, \
show_fc_rport_##field, NULL)
#define fc_rport_rw_attr(field, format_string, sz) \
fc_rport_show_function(field, format_string, sz, ) \
fc_rport_store_function(field) \
static FC_DEVICE_ATTR(rport, field, S_IRUGO | S_IWUSR, \
show_fc_rport_##field, \
store_fc_rport_##field)
#define fc_private_rport_show_function(field, format_string, sz, cast) \
static ssize_t \
show_fc_rport_##field (struct device *dev, \
struct device_attribute *attr, char *buf) \
{ \
struct fc_rport *rport = transport_class_to_rport(dev); \
return snprintf(buf, sz, format_string, cast rport->field); \
}
#define fc_private_rport_rd_attr(field, format_string, sz) \
fc_private_rport_show_function(field, format_string, sz, ) \
static FC_DEVICE_ATTR(rport, field, S_IRUGO, \
show_fc_rport_##field, NULL)
#define fc_private_rport_rd_attr_cast(field, format_string, sz, cast) \
fc_private_rport_show_function(field, format_string, sz, (cast)) \
static FC_DEVICE_ATTR(rport, field, S_IRUGO, \
show_fc_rport_##field, NULL)
#define fc_private_rport_rd_enum_attr(title, maxlen) \
static ssize_t \
show_fc_rport_##title (struct device *dev, \
struct device_attribute *attr, char *buf) \
{ \
struct fc_rport *rport = transport_class_to_rport(dev); \
const char *name; \
name = get_fc_##title##_name(rport->title); \
if (!name) \
return -EINVAL; \
return snprintf(buf, maxlen, "%s\n", name); \
} \
static FC_DEVICE_ATTR(rport, title, S_IRUGO, \
show_fc_rport_##title, NULL)
#define SETUP_RPORT_ATTRIBUTE_RD(field) \
i->private_rport_attrs[count] = device_attr_rport_##field; \
i->private_rport_attrs[count].attr.mode = S_IRUGO; \
i->private_rport_attrs[count].store = NULL; \
i->rport_attrs[count] = &i->private_rport_attrs[count]; \
if (i->f->show_rport_##field) \
count++
#define SETUP_PRIVATE_RPORT_ATTRIBUTE_RD(field) \
i->private_rport_attrs[count] = device_attr_rport_##field; \
i->private_rport_attrs[count].attr.mode = S_IRUGO; \
i->private_rport_attrs[count].store = NULL; \
i->rport_attrs[count] = &i->private_rport_attrs[count]; \
count++
#define SETUP_RPORT_ATTRIBUTE_RW(field) \
i->private_rport_attrs[count] = device_attr_rport_##field; \
if (!i->f->set_rport_##field) { \
i->private_rport_attrs[count].attr.mode = S_IRUGO; \
i->private_rport_attrs[count].store = NULL; \
} \
i->rport_attrs[count] = &i->private_rport_attrs[count]; \
if (i->f->show_rport_##field) \
count++
#define SETUP_PRIVATE_RPORT_ATTRIBUTE_RW(field) \
{ \
i->private_rport_attrs[count] = device_attr_rport_##field; \
i->rport_attrs[count] = &i->private_rport_attrs[count]; \
count++; \
}
/* The FC Transport Remote Port Attributes: */
/* Fixed Remote Port Attributes */
fc_private_rport_rd_attr(maxframe_size, "%u bytes\n", 20);
static ssize_t
show_fc_rport_supported_classes (struct device *dev,
struct device_attribute *attr, char *buf)
{
struct fc_rport *rport = transport_class_to_rport(dev);
if (rport->supported_classes == FC_COS_UNSPECIFIED)
return snprintf(buf, 20, "unspecified\n");
return get_fc_cos_names(rport->supported_classes, buf);
}
static FC_DEVICE_ATTR(rport, supported_classes, S_IRUGO,
show_fc_rport_supported_classes, NULL);
/* Dynamic Remote Port Attributes */
/*
* dev_loss_tmo attribute
*/
static int fc_str_to_dev_loss(const char *buf, unsigned long *val)
{
char *cp;
*val = simple_strtoul(buf, &cp, 0);
if ((*cp && (*cp != '\n')) || (*val < 0))
return -EINVAL;
/*
* Check for overflow; dev_loss_tmo is u32
*/
if (*val > UINT_MAX)
return -EINVAL;
return 0;
}
static int fc_rport_set_dev_loss_tmo(struct fc_rport *rport,
unsigned long val)
{
struct Scsi_Host *shost = rport_to_shost(rport);
struct fc_internal *i = to_fc_internal(shost->transportt);
if ((rport->port_state == FC_PORTSTATE_BLOCKED) ||
(rport->port_state == FC_PORTSTATE_DELETED) ||
(rport->port_state == FC_PORTSTATE_NOTPRESENT))
return -EBUSY;
/*
* Check for overflow; dev_loss_tmo is u32
*/
if (val > UINT_MAX)
return -EINVAL;
/*
* If fast_io_fail is off we have to cap
* dev_loss_tmo at SCSI_DEVICE_BLOCK_MAX_TIMEOUT
*/
if (rport->fast_io_fail_tmo == -1 &&
val > SCSI_DEVICE_BLOCK_MAX_TIMEOUT)
return -EINVAL;
i->f->set_rport_dev_loss_tmo(rport, val);
return 0;
}
fc_rport_show_function(dev_loss_tmo, "%d\n", 20, )
static ssize_t
store_fc_rport_dev_loss_tmo(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct fc_rport *rport = transport_class_to_rport(dev);
unsigned long val;
int rc;
rc = fc_str_to_dev_loss(buf, &val);
if (rc)
return rc;
rc = fc_rport_set_dev_loss_tmo(rport, val);
if (rc)
return rc;
return count;
}
static FC_DEVICE_ATTR(rport, dev_loss_tmo, S_IRUGO | S_IWUSR,
show_fc_rport_dev_loss_tmo, store_fc_rport_dev_loss_tmo);
/* Private Remote Port Attributes */
fc_private_rport_rd_attr_cast(node_name, "0x%llx\n", 20, unsigned long long);
fc_private_rport_rd_attr_cast(port_name, "0x%llx\n", 20, unsigned long long);
fc_private_rport_rd_attr(port_id, "0x%06x\n", 20);
static ssize_t
show_fc_rport_roles (struct device *dev, struct device_attribute *attr,
char *buf)
{
struct fc_rport *rport = transport_class_to_rport(dev);
/* identify any roles that are port_id specific */
if ((rport->port_id != -1) &&
(rport->port_id & FC_WELLKNOWN_PORTID_MASK) ==
FC_WELLKNOWN_PORTID_MASK) {
switch (rport->port_id & FC_WELLKNOWN_ROLE_MASK) {
case FC_FPORT_PORTID:
return snprintf(buf, 30, "Fabric Port\n");
case FC_FABCTLR_PORTID:
return snprintf(buf, 30, "Fabric Controller\n");
case FC_DIRSRVR_PORTID:
return snprintf(buf, 30, "Directory Server\n");
case FC_TIMESRVR_PORTID:
return snprintf(buf, 30, "Time Server\n");
case FC_MGMTSRVR_PORTID:
return snprintf(buf, 30, "Management Server\n");
default:
return snprintf(buf, 30, "Unknown Fabric Entity\n");
}
} else {
if (rport->roles == FC_PORT_ROLE_UNKNOWN)
return snprintf(buf, 20, "unknown\n");
return get_fc_port_roles_names(rport->roles, buf);
}
}
static FC_DEVICE_ATTR(rport, roles, S_IRUGO,
show_fc_rport_roles, NULL);
fc_private_rport_rd_enum_attr(port_state, FC_PORTSTATE_MAX_NAMELEN);
fc_private_rport_rd_attr(scsi_target_id, "%d\n", 20);
/*
* fast_io_fail_tmo attribute
*/
static ssize_t
show_fc_rport_fast_io_fail_tmo (struct device *dev,
struct device_attribute *attr, char *buf)
{
struct fc_rport *rport = transport_class_to_rport(dev);
if (rport->fast_io_fail_tmo == -1)
return snprintf(buf, 5, "off\n");
return snprintf(buf, 20, "%d\n", rport->fast_io_fail_tmo);
}
static ssize_t
store_fc_rport_fast_io_fail_tmo(struct device *dev,
struct device_attribute *attr, const char *buf,
size_t count)
{
int val;
char *cp;
struct fc_rport *rport = transport_class_to_rport(dev);
if ((rport->port_state == FC_PORTSTATE_BLOCKED) ||
(rport->port_state == FC_PORTSTATE_DELETED) ||
(rport->port_state == FC_PORTSTATE_NOTPRESENT))
return -EBUSY;
if (strncmp(buf, "off", 3) == 0)
rport->fast_io_fail_tmo = -1;
else {
val = simple_strtoul(buf, &cp, 0);
if ((*cp && (*cp != '\n')) || (val < 0))
return -EINVAL;
/*
* Cap fast_io_fail by dev_loss_tmo or
* SCSI_DEVICE_BLOCK_MAX_TIMEOUT.
*/
if ((val >= rport->dev_loss_tmo) ||
(val > SCSI_DEVICE_BLOCK_MAX_TIMEOUT))
return -EINVAL;
rport->fast_io_fail_tmo = val;
}
return count;
}
static FC_DEVICE_ATTR(rport, fast_io_fail_tmo, S_IRUGO | S_IWUSR,
show_fc_rport_fast_io_fail_tmo, store_fc_rport_fast_io_fail_tmo);
/*
* FC SCSI Target Attribute Management
*/
/*
* Note: in the target show function we recognize when the remote
* port is in the hierarchy and do not allow the driver to get
* involved in sysfs functions. The driver only gets involved if
* it's the "old" style that doesn't use rports.
*/
#define fc_starget_show_function(field, format_string, sz, cast) \
static ssize_t \
show_fc_starget_##field (struct device *dev, \
struct device_attribute *attr, char *buf) \
{ \
struct scsi_target *starget = transport_class_to_starget(dev); \
struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); \
struct fc_internal *i = to_fc_internal(shost->transportt); \
struct fc_rport *rport = starget_to_rport(starget); \
if (rport) \
fc_starget_##field(starget) = rport->field; \
else if (i->f->get_starget_##field) \
i->f->get_starget_##field(starget); \
return snprintf(buf, sz, format_string, \
cast fc_starget_##field(starget)); \
}
#define fc_starget_rd_attr(field, format_string, sz) \
fc_starget_show_function(field, format_string, sz, ) \
static FC_DEVICE_ATTR(starget, field, S_IRUGO, \
show_fc_starget_##field, NULL)
#define fc_starget_rd_attr_cast(field, format_string, sz, cast) \
fc_starget_show_function(field, format_string, sz, (cast)) \
static FC_DEVICE_ATTR(starget, field, S_IRUGO, \
show_fc_starget_##field, NULL)
#define SETUP_STARGET_ATTRIBUTE_RD(field) \
i->private_starget_attrs[count] = device_attr_starget_##field; \
i->private_starget_attrs[count].attr.mode = S_IRUGO; \
i->private_starget_attrs[count].store = NULL; \
i->starget_attrs[count] = &i->private_starget_attrs[count]; \
if (i->f->show_starget_##field) \
count++
#define SETUP_STARGET_ATTRIBUTE_RW(field) \
i->private_starget_attrs[count] = device_attr_starget_##field; \
if (!i->f->set_starget_##field) { \
i->private_starget_attrs[count].attr.mode = S_IRUGO; \
i->private_starget_attrs[count].store = NULL; \
} \
i->starget_attrs[count] = &i->private_starget_attrs[count]; \
if (i->f->show_starget_##field) \
count++
/* The FC Transport SCSI Target Attributes: */
fc_starget_rd_attr_cast(node_name, "0x%llx\n", 20, unsigned long long);
fc_starget_rd_attr_cast(port_name, "0x%llx\n", 20, unsigned long long);
fc_starget_rd_attr(port_id, "0x%06x\n", 20);
/*
* FC Virtual Port Attribute Management
*/
#define fc_vport_show_function(field, format_string, sz, cast) \
static ssize_t \
show_fc_vport_##field (struct device *dev, \
struct device_attribute *attr, char *buf) \
{ \
struct fc_vport *vport = transport_class_to_vport(dev); \
struct Scsi_Host *shost = vport_to_shost(vport); \
struct fc_internal *i = to_fc_internal(shost->transportt); \
if ((i->f->get_vport_##field) && \
!(vport->flags & (FC_VPORT_DEL | FC_VPORT_CREATING))) \
i->f->get_vport_##field(vport); \
return snprintf(buf, sz, format_string, cast vport->field); \
}
#define fc_vport_store_function(field) \
static ssize_t \
store_fc_vport_##field(struct device *dev, \
struct device_attribute *attr, \
const char *buf, size_t count) \
{ \
int val; \
struct fc_vport *vport = transport_class_to_vport(dev); \
struct Scsi_Host *shost = vport_to_shost(vport); \
struct fc_internal *i = to_fc_internal(shost->transportt); \
char *cp; \
if (vport->flags & (FC_VPORT_DEL | FC_VPORT_CREATING)) \
return -EBUSY; \
val = simple_strtoul(buf, &cp, 0); \
if (*cp && (*cp != '\n')) \
return -EINVAL; \
i->f->set_vport_##field(vport, val); \
return count; \
}
#define fc_vport_store_str_function(field, slen) \
static ssize_t \
store_fc_vport_##field(struct device *dev, \
struct device_attribute *attr, \
const char *buf, size_t count) \
{ \
struct fc_vport *vport = transport_class_to_vport(dev); \
struct Scsi_Host *shost = vport_to_shost(vport); \
struct fc_internal *i = to_fc_internal(shost->transportt); \
unsigned int cnt=count; \
\
/* count may include a LF at end of string */ \
if (buf[cnt-1] == '\n') \
cnt--; \
if (cnt > ((slen) - 1)) \
return -EINVAL; \
memcpy(vport->field, buf, cnt); \
i->f->set_vport_##field(vport); \
return count; \
}
#define fc_vport_rd_attr(field, format_string, sz) \
fc_vport_show_function(field, format_string, sz, ) \
static FC_DEVICE_ATTR(vport, field, S_IRUGO, \
show_fc_vport_##field, NULL)
#define fc_vport_rd_attr_cast(field, format_string, sz, cast) \
fc_vport_show_function(field, format_string, sz, (cast)) \
static FC_DEVICE_ATTR(vport, field, S_IRUGO, \
show_fc_vport_##field, NULL)
#define fc_vport_rw_attr(field, format_string, sz) \
fc_vport_show_function(field, format_string, sz, ) \
fc_vport_store_function(field) \
static FC_DEVICE_ATTR(vport, field, S_IRUGO | S_IWUSR, \
show_fc_vport_##field, \
store_fc_vport_##field)
#define fc_private_vport_show_function(field, format_string, sz, cast) \
static ssize_t \
show_fc_vport_##field (struct device *dev, \
struct device_attribute *attr, char *buf) \
{ \
struct fc_vport *vport = transport_class_to_vport(dev); \
return snprintf(buf, sz, format_string, cast vport->field); \
}
#define fc_private_vport_store_u32_function(field) \
static ssize_t \
store_fc_vport_##field(struct device *dev, \
struct device_attribute *attr, \
const char *buf, size_t count) \
{ \
u32 val; \
struct fc_vport *vport = transport_class_to_vport(dev); \
char *cp; \
if (vport->flags & (FC_VPORT_DEL | FC_VPORT_CREATING)) \
return -EBUSY; \
val = simple_strtoul(buf, &cp, 0); \
if (*cp && (*cp != '\n')) \
return -EINVAL; \
vport->field = val; \
return count; \
}
#define fc_private_vport_rd_attr(field, format_string, sz) \
fc_private_vport_show_function(field, format_string, sz, ) \
static FC_DEVICE_ATTR(vport, field, S_IRUGO, \
show_fc_vport_##field, NULL)
#define fc_private_vport_rd_attr_cast(field, format_string, sz, cast) \
fc_private_vport_show_function(field, format_string, sz, (cast)) \
static FC_DEVICE_ATTR(vport, field, S_IRUGO, \
show_fc_vport_##field, NULL)
#define fc_private_vport_rw_u32_attr(field, format_string, sz) \
fc_private_vport_show_function(field, format_string, sz, ) \
fc_private_vport_store_u32_function(field) \
static FC_DEVICE_ATTR(vport, field, S_IRUGO | S_IWUSR, \
show_fc_vport_##field, \
store_fc_vport_##field)
#define fc_private_vport_rd_enum_attr(title, maxlen) \
static ssize_t \
show_fc_vport_##title (struct device *dev, \
struct device_attribute *attr, \
char *buf) \
{ \
struct fc_vport *vport = transport_class_to_vport(dev); \
const char *name; \
name = get_fc_##title##_name(vport->title); \
if (!name) \
return -EINVAL; \
return snprintf(buf, maxlen, "%s\n", name); \
} \
static FC_DEVICE_ATTR(vport, title, S_IRUGO, \
show_fc_vport_##title, NULL)
#define SETUP_VPORT_ATTRIBUTE_RD(field) \
i->private_vport_attrs[count] = device_attr_vport_##field; \
i->private_vport_attrs[count].attr.mode = S_IRUGO; \
i->private_vport_attrs[count].store = NULL; \
i->vport_attrs[count] = &i->private_vport_attrs[count]; \
if (i->f->get_##field) \
count++
/* NOTE: Above MACRO differs: checks function not show bit */
#define SETUP_PRIVATE_VPORT_ATTRIBUTE_RD(field) \
i->private_vport_attrs[count] = device_attr_vport_##field; \
i->private_vport_attrs[count].attr.mode = S_IRUGO; \
i->private_vport_attrs[count].store = NULL; \
i->vport_attrs[count] = &i->private_vport_attrs[count]; \
count++
#define SETUP_VPORT_ATTRIBUTE_WR(field) \
i->private_vport_attrs[count] = device_attr_vport_##field; \
i->vport_attrs[count] = &i->private_vport_attrs[count]; \
if (i->f->field) \
count++
/* NOTE: Above MACRO differs: checks function */
#define SETUP_VPORT_ATTRIBUTE_RW(field) \
i->private_vport_attrs[count] = device_attr_vport_##field; \
if (!i->f->set_vport_##field) { \
i->private_vport_attrs[count].attr.mode = S_IRUGO; \
i->private_vport_attrs[count].store = NULL; \
} \
i->vport_attrs[count] = &i->private_vport_attrs[count]; \
count++
/* NOTE: Above MACRO differs: does not check show bit */
#define SETUP_PRIVATE_VPORT_ATTRIBUTE_RW(field) \
{ \
i->private_vport_attrs[count] = device_attr_vport_##field; \
i->vport_attrs[count] = &i->private_vport_attrs[count]; \
count++; \
}
/* The FC Transport Virtual Port Attributes: */
/* Fixed Virtual Port Attributes */
/* Dynamic Virtual Port Attributes */
/* Private Virtual Port Attributes */
fc_private_vport_rd_enum_attr(vport_state, FC_VPORTSTATE_MAX_NAMELEN);
fc_private_vport_rd_enum_attr(vport_last_state, FC_VPORTSTATE_MAX_NAMELEN);
fc_private_vport_rd_attr_cast(node_name, "0x%llx\n", 20, unsigned long long);
fc_private_vport_rd_attr_cast(port_name, "0x%llx\n", 20, unsigned long long);
static ssize_t
show_fc_vport_roles (struct device *dev, struct device_attribute *attr,
char *buf)
{
struct fc_vport *vport = transport_class_to_vport(dev);
if (vport->roles == FC_PORT_ROLE_UNKNOWN)
return snprintf(buf, 20, "unknown\n");
return get_fc_port_roles_names(vport->roles, buf);
}
static FC_DEVICE_ATTR(vport, roles, S_IRUGO, show_fc_vport_roles, NULL);
fc_private_vport_rd_enum_attr(vport_type, FC_PORTTYPE_MAX_NAMELEN);
fc_private_vport_show_function(symbolic_name, "%s\n",
FC_VPORT_SYMBOLIC_NAMELEN + 1, )
fc_vport_store_str_function(symbolic_name, FC_VPORT_SYMBOLIC_NAMELEN)
static FC_DEVICE_ATTR(vport, symbolic_name, S_IRUGO | S_IWUSR,
show_fc_vport_symbolic_name, store_fc_vport_symbolic_name);
static ssize_t
store_fc_vport_delete(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct fc_vport *vport = transport_class_to_vport(dev);
struct Scsi_Host *shost = vport_to_shost(vport);
unsigned long flags;
spin_lock_irqsave(shost->host_lock, flags);
if (vport->flags & (FC_VPORT_DEL | FC_VPORT_CREATING)) {
spin_unlock_irqrestore(shost->host_lock, flags);
return -EBUSY;
}
vport->flags |= FC_VPORT_DELETING;
spin_unlock_irqrestore(shost->host_lock, flags);
fc_queue_work(shost, &vport->vport_delete_work);
return count;
}
static FC_DEVICE_ATTR(vport, vport_delete, S_IWUSR,
NULL, store_fc_vport_delete);
/*
* Enable/Disable vport
* Write "1" to disable, write "0" to enable
*/
static ssize_t
store_fc_vport_disable(struct device *dev, struct device_attribute *attr,
const char *buf,
size_t count)
{
struct fc_vport *vport = transport_class_to_vport(dev);
struct Scsi_Host *shost = vport_to_shost(vport);
struct fc_internal *i = to_fc_internal(shost->transportt);
int stat;
if (vport->flags & (FC_VPORT_DEL | FC_VPORT_CREATING))
return -EBUSY;
if (*buf == '0') {
if (vport->vport_state != FC_VPORT_DISABLED)
return -EALREADY;
} else if (*buf == '1') {
if (vport->vport_state == FC_VPORT_DISABLED)
return -EALREADY;
} else
return -EINVAL;
stat = i->f->vport_disable(vport, ((*buf == '0') ? false : true));
return stat ? stat : count;
}
static FC_DEVICE_ATTR(vport, vport_disable, S_IWUSR,
NULL, store_fc_vport_disable);
/*
* Host Attribute Management
*/
#define fc_host_show_function(field, format_string, sz, cast) \
static ssize_t \
show_fc_host_##field (struct device *dev, \
struct device_attribute *attr, char *buf) \
{ \
struct Scsi_Host *shost = transport_class_to_shost(dev); \
struct fc_internal *i = to_fc_internal(shost->transportt); \
if (i->f->get_host_##field) \
i->f->get_host_##field(shost); \
return snprintf(buf, sz, format_string, cast fc_host_##field(shost)); \
}
#define fc_host_store_function(field) \
static ssize_t \
store_fc_host_##field(struct device *dev, \
struct device_attribute *attr, \
const char *buf, size_t count) \
{ \
int val; \
struct Scsi_Host *shost = transport_class_to_shost(dev); \
struct fc_internal *i = to_fc_internal(shost->transportt); \
char *cp; \
\
val = simple_strtoul(buf, &cp, 0); \
if (*cp && (*cp != '\n')) \
return -EINVAL; \
i->f->set_host_##field(shost, val); \
return count; \
}
#define fc_host_store_str_function(field, slen) \
static ssize_t \
store_fc_host_##field(struct device *dev, \
struct device_attribute *attr, \
const char *buf, size_t count) \
{ \
struct Scsi_Host *shost = transport_class_to_shost(dev); \
struct fc_internal *i = to_fc_internal(shost->transportt); \
unsigned int cnt=count; \
\
/* count may include a LF at end of string */ \
if (buf[cnt-1] == '\n') \
cnt--; \
if (cnt > ((slen) - 1)) \
return -EINVAL; \
memcpy(fc_host_##field(shost), buf, cnt); \
i->f->set_host_##field(shost); \
return count; \
}
#define fc_host_rd_attr(field, format_string, sz) \
fc_host_show_function(field, format_string, sz, ) \
static FC_DEVICE_ATTR(host, field, S_IRUGO, \
show_fc_host_##field, NULL)
#define fc_host_rd_attr_cast(field, format_string, sz, cast) \
fc_host_show_function(field, format_string, sz, (cast)) \
static FC_DEVICE_ATTR(host, field, S_IRUGO, \
show_fc_host_##field, NULL)
#define fc_host_rw_attr(field, format_string, sz) \
fc_host_show_function(field, format_string, sz, ) \
fc_host_store_function(field) \
static FC_DEVICE_ATTR(host, field, S_IRUGO | S_IWUSR, \
show_fc_host_##field, \
store_fc_host_##field)
#define fc_host_rd_enum_attr(title, maxlen) \
static ssize_t \
show_fc_host_##title (struct device *dev, \
struct device_attribute *attr, char *buf) \
{ \
struct Scsi_Host *shost = transport_class_to_shost(dev); \
struct fc_internal *i = to_fc_internal(shost->transportt); \
const char *name; \
if (i->f->get_host_##title) \
i->f->get_host_##title(shost); \
name = get_fc_##title##_name(fc_host_##title(shost)); \
if (!name) \
return -EINVAL; \
return snprintf(buf, maxlen, "%s\n", name); \
} \
static FC_DEVICE_ATTR(host, title, S_IRUGO, show_fc_host_##title, NULL)
#define SETUP_HOST_ATTRIBUTE_RD(field) \
i->private_host_attrs[count] = device_attr_host_##field; \
i->private_host_attrs[count].attr.mode = S_IRUGO; \
i->private_host_attrs[count].store = NULL; \
i->host_attrs[count] = &i->private_host_attrs[count]; \
if (i->f->show_host_##field) \
count++
#define SETUP_HOST_ATTRIBUTE_RD_NS(field) \
i->private_host_attrs[count] = device_attr_host_##field; \
i->private_host_attrs[count].attr.mode = S_IRUGO; \
i->private_host_attrs[count].store = NULL; \
i->host_attrs[count] = &i->private_host_attrs[count]; \
count++
#define SETUP_HOST_ATTRIBUTE_RW(field) \
i->private_host_attrs[count] = device_attr_host_##field; \
if (!i->f->set_host_##field) { \
i->private_host_attrs[count].attr.mode = S_IRUGO; \
i->private_host_attrs[count].store = NULL; \
} \
i->host_attrs[count] = &i->private_host_attrs[count]; \
if (i->f->show_host_##field) \
count++
#define fc_private_host_show_function(field, format_string, sz, cast) \
static ssize_t \
show_fc_host_##field (struct device *dev, \
struct device_attribute *attr, char *buf) \
{ \
struct Scsi_Host *shost = transport_class_to_shost(dev); \
return snprintf(buf, sz, format_string, cast fc_host_##field(shost)); \
}
#define fc_private_host_rd_attr(field, format_string, sz) \
fc_private_host_show_function(field, format_string, sz, ) \
static FC_DEVICE_ATTR(host, field, S_IRUGO, \
show_fc_host_##field, NULL)
#define fc_private_host_rd_attr_cast(field, format_string, sz, cast) \
fc_private_host_show_function(field, format_string, sz, (cast)) \
static FC_DEVICE_ATTR(host, field, S_IRUGO, \
show_fc_host_##field, NULL)
#define SETUP_PRIVATE_HOST_ATTRIBUTE_RD(field) \
i->private_host_attrs[count] = device_attr_host_##field; \
i->private_host_attrs[count].attr.mode = S_IRUGO; \
i->private_host_attrs[count].store = NULL; \
i->host_attrs[count] = &i->private_host_attrs[count]; \
count++
#define SETUP_PRIVATE_HOST_ATTRIBUTE_RW(field) \
{ \
i->private_host_attrs[count] = device_attr_host_##field; \
i->host_attrs[count] = &i->private_host_attrs[count]; \
count++; \
}
/* Fixed Host Attributes */
static ssize_t
show_fc_host_supported_classes (struct device *dev,
struct device_attribute *attr, char *buf)
{
struct Scsi_Host *shost = transport_class_to_shost(dev);
if (fc_host_supported_classes(shost) == FC_COS_UNSPECIFIED)
return snprintf(buf, 20, "unspecified\n");
return get_fc_cos_names(fc_host_supported_classes(shost), buf);
}
static FC_DEVICE_ATTR(host, supported_classes, S_IRUGO,
show_fc_host_supported_classes, NULL);
static ssize_t
show_fc_host_supported_fc4s (struct device *dev,
struct device_attribute *attr, char *buf)
{
struct Scsi_Host *shost = transport_class_to_shost(dev);
return (ssize_t)show_fc_fc4s(buf, fc_host_supported_fc4s(shost));
}
static FC_DEVICE_ATTR(host, supported_fc4s, S_IRUGO,
show_fc_host_supported_fc4s, NULL);
static ssize_t
show_fc_host_supported_speeds (struct device *dev,
struct device_attribute *attr, char *buf)
{
struct Scsi_Host *shost = transport_class_to_shost(dev);
if (fc_host_supported_speeds(shost) == FC_PORTSPEED_UNKNOWN)
return snprintf(buf, 20, "unknown\n");
return get_fc_port_speed_names(fc_host_supported_speeds(shost), buf);
}
static FC_DEVICE_ATTR(host, supported_speeds, S_IRUGO,
show_fc_host_supported_speeds, NULL);
fc_private_host_rd_attr_cast(node_name, "0x%llx\n", 20, unsigned long long);
fc_private_host_rd_attr_cast(port_name, "0x%llx\n", 20, unsigned long long);
fc_private_host_rd_attr_cast(permanent_port_name, "0x%llx\n", 20,
unsigned long long);
fc_private_host_rd_attr(maxframe_size, "%u bytes\n", 20);
fc_private_host_rd_attr(max_npiv_vports, "%u\n", 20);
fc_private_host_rd_attr(serial_number, "%s\n", (FC_SERIAL_NUMBER_SIZE +1));
fc_private_host_rd_attr(manufacturer, "%s\n", FC_SERIAL_NUMBER_SIZE + 1);
fc_private_host_rd_attr(model, "%s\n", FC_SYMBOLIC_NAME_SIZE + 1);
fc_private_host_rd_attr(model_description, "%s\n", FC_SYMBOLIC_NAME_SIZE + 1);
fc_private_host_rd_attr(hardware_version, "%s\n", FC_VERSION_STRING_SIZE + 1);
fc_private_host_rd_attr(driver_version, "%s\n", FC_VERSION_STRING_SIZE + 1);
fc_private_host_rd_attr(firmware_version, "%s\n", FC_VERSION_STRING_SIZE + 1);
fc_private_host_rd_attr(optionrom_version, "%s\n", FC_VERSION_STRING_SIZE + 1);
/* Dynamic Host Attributes */
static ssize_t
show_fc_host_active_fc4s (struct device *dev,
struct device_attribute *attr, char *buf)
{
struct Scsi_Host *shost = transport_class_to_shost(dev);
struct fc_internal *i = to_fc_internal(shost->transportt);
if (i->f->get_host_active_fc4s)
i->f->get_host_active_fc4s(shost);
return (ssize_t)show_fc_fc4s(buf, fc_host_active_fc4s(shost));
}
static FC_DEVICE_ATTR(host, active_fc4s, S_IRUGO,
show_fc_host_active_fc4s, NULL);
static ssize_t
show_fc_host_speed (struct device *dev,
struct device_attribute *attr, char *buf)
{
struct Scsi_Host *shost = transport_class_to_shost(dev);
struct fc_internal *i = to_fc_internal(shost->transportt);
if (i->f->get_host_speed)
i->f->get_host_speed(shost);
if (fc_host_speed(shost) == FC_PORTSPEED_UNKNOWN)
return snprintf(buf, 20, "unknown\n");
return get_fc_port_speed_names(fc_host_speed(shost), buf);
}
static FC_DEVICE_ATTR(host, speed, S_IRUGO,
show_fc_host_speed, NULL);
fc_host_rd_attr(port_id, "0x%06x\n", 20);
fc_host_rd_enum_attr(port_type, FC_PORTTYPE_MAX_NAMELEN);
fc_host_rd_enum_attr(port_state, FC_PORTSTATE_MAX_NAMELEN);
fc_host_rd_attr_cast(fabric_name, "0x%llx\n", 20, unsigned long long);
fc_host_rd_attr(symbolic_name, "%s\n", FC_SYMBOLIC_NAME_SIZE + 1);
fc_private_host_show_function(system_hostname, "%s\n",
FC_SYMBOLIC_NAME_SIZE + 1, )
fc_host_store_str_function(system_hostname, FC_SYMBOLIC_NAME_SIZE)
static FC_DEVICE_ATTR(host, system_hostname, S_IRUGO | S_IWUSR,
show_fc_host_system_hostname, store_fc_host_system_hostname);
/* Private Host Attributes */
static ssize_t
show_fc_private_host_tgtid_bind_type(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct Scsi_Host *shost = transport_class_to_shost(dev);
const char *name;
name = get_fc_tgtid_bind_type_name(fc_host_tgtid_bind_type(shost));
if (!name)
return -EINVAL;
return snprintf(buf, FC_BINDTYPE_MAX_NAMELEN, "%s\n", name);
}
#define get_list_head_entry(pos, head, member) \
pos = list_entry((head)->next, typeof(*pos), member)
static ssize_t
store_fc_private_host_tgtid_bind_type(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct Scsi_Host *shost = transport_class_to_shost(dev);
struct fc_rport *rport;
enum fc_tgtid_binding_type val;
unsigned long flags;
if (get_fc_tgtid_bind_type_match(buf, &val))
return -EINVAL;
/* if changing bind type, purge all unused consistent bindings */
if (val != fc_host_tgtid_bind_type(shost)) {
spin_lock_irqsave(shost->host_lock, flags);
while (!list_empty(&fc_host_rport_bindings(shost))) {
get_list_head_entry(rport,
&fc_host_rport_bindings(shost), peers);
list_del(&rport->peers);
rport->port_state = FC_PORTSTATE_DELETED;
fc_queue_work(shost, &rport->rport_delete_work);
}
spin_unlock_irqrestore(shost->host_lock, flags);
}
fc_host_tgtid_bind_type(shost) = val;
return count;
}
static FC_DEVICE_ATTR(host, tgtid_bind_type, S_IRUGO | S_IWUSR,
show_fc_private_host_tgtid_bind_type,
store_fc_private_host_tgtid_bind_type);
static ssize_t
store_fc_private_host_issue_lip(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct Scsi_Host *shost = transport_class_to_shost(dev);
struct fc_internal *i = to_fc_internal(shost->transportt);
int ret;
/* ignore any data value written to the attribute */
if (i->f->issue_fc_host_lip) {
ret = i->f->issue_fc_host_lip(shost);
return ret ? ret: count;
}
return -ENOENT;
}
static FC_DEVICE_ATTR(host, issue_lip, S_IWUSR, NULL,
store_fc_private_host_issue_lip);
static ssize_t
store_fc_private_host_dev_loss_tmo(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct Scsi_Host *shost = transport_class_to_shost(dev);
struct fc_host_attrs *fc_host = shost_to_fc_host(shost);
struct fc_rport *rport;
unsigned long val, flags;
int rc;
rc = fc_str_to_dev_loss(buf, &val);
if (rc)
return rc;
fc_host_dev_loss_tmo(shost) = val;
spin_lock_irqsave(shost->host_lock, flags);
list_for_each_entry(rport, &fc_host->rports, peers)
fc_rport_set_dev_loss_tmo(rport, val);
spin_unlock_irqrestore(shost->host_lock, flags);
return count;
}
fc_private_host_show_function(dev_loss_tmo, "%d\n", 20, );
static FC_DEVICE_ATTR(host, dev_loss_tmo, S_IRUGO | S_IWUSR,
show_fc_host_dev_loss_tmo,
store_fc_private_host_dev_loss_tmo);
fc_private_host_rd_attr(npiv_vports_inuse, "%u\n", 20);
/*
* Host Statistics Management
*/
/* Show a given an attribute in the statistics group */
static ssize_t
fc_stat_show(const struct device *dev, char *buf, unsigned long offset)
{
struct Scsi_Host *shost = transport_class_to_shost(dev);
struct fc_internal *i = to_fc_internal(shost->transportt);
struct fc_host_statistics *stats;
ssize_t ret = -ENOENT;
if (offset > sizeof(struct fc_host_statistics) ||
offset % sizeof(u64) != 0)
WARN_ON(1);
if (i->f->get_fc_host_stats) {
stats = (i->f->get_fc_host_stats)(shost);
if (stats)
ret = snprintf(buf, 20, "0x%llx\n",
(unsigned long long)*(u64 *)(((u8 *) stats) + offset));
}
return ret;
}
/* generate a read-only statistics attribute */
#define fc_host_statistic(name) \
static ssize_t show_fcstat_##name(struct device *cd, \
struct device_attribute *attr, \
char *buf) \
{ \
return fc_stat_show(cd, buf, \
offsetof(struct fc_host_statistics, name)); \
} \
static FC_DEVICE_ATTR(host, name, S_IRUGO, show_fcstat_##name, NULL)
fc_host_statistic(seconds_since_last_reset);
fc_host_statistic(tx_frames);
fc_host_statistic(tx_words);
fc_host_statistic(rx_frames);
fc_host_statistic(rx_words);
fc_host_statistic(lip_count);
fc_host_statistic(nos_count);
fc_host_statistic(error_frames);
fc_host_statistic(dumped_frames);
fc_host_statistic(link_failure_count);
fc_host_statistic(loss_of_sync_count);
fc_host_statistic(loss_of_signal_count);
fc_host_statistic(prim_seq_protocol_err_count);
fc_host_statistic(invalid_tx_word_count);
fc_host_statistic(invalid_crc_count);
fc_host_statistic(fcp_input_requests);
fc_host_statistic(fcp_output_requests);
fc_host_statistic(fcp_control_requests);
fc_host_statistic(fcp_input_megabytes);
fc_host_statistic(fcp_output_megabytes);
static ssize_t
fc_reset_statistics(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct Scsi_Host *shost = transport_class_to_shost(dev);
struct fc_internal *i = to_fc_internal(shost->transportt);
/* ignore any data value written to the attribute */
if (i->f->reset_fc_host_stats) {
i->f->reset_fc_host_stats(shost);
return count;
}
return -ENOENT;
}
static FC_DEVICE_ATTR(host, reset_statistics, S_IWUSR, NULL,
fc_reset_statistics);
static struct attribute *fc_statistics_attrs[] = {
&device_attr_host_seconds_since_last_reset.attr,
&device_attr_host_tx_frames.attr,
&device_attr_host_tx_words.attr,
&device_attr_host_rx_frames.attr,
&device_attr_host_rx_words.attr,
&device_attr_host_lip_count.attr,
&device_attr_host_nos_count.attr,
&device_attr_host_error_frames.attr,
&device_attr_host_dumped_frames.attr,
&device_attr_host_link_failure_count.attr,
&device_attr_host_loss_of_sync_count.attr,
&device_attr_host_loss_of_signal_count.attr,
&device_attr_host_prim_seq_protocol_err_count.attr,
&device_attr_host_invalid_tx_word_count.attr,
&device_attr_host_invalid_crc_count.attr,
&device_attr_host_fcp_input_requests.attr,
&device_attr_host_fcp_output_requests.attr,
&device_attr_host_fcp_control_requests.attr,
&device_attr_host_fcp_input_megabytes.attr,
&device_attr_host_fcp_output_megabytes.attr,
&device_attr_host_reset_statistics.attr,
NULL
};
static struct attribute_group fc_statistics_group = {
.name = "statistics",
.attrs = fc_statistics_attrs,
};
/* Host Vport Attributes */
static int
fc_parse_wwn(const char *ns, u64 *nm)
{
unsigned int i, j;
u8 wwn[8];
memset(wwn, 0, sizeof(wwn));
/* Validate and store the new name */
for (i=0, j=0; i < 16; i++) {
int value;
value = hex_to_bin(*ns++);
if (value >= 0)
j = (j << 4) | value;
else
return -EINVAL;
if (i % 2) {
wwn[i/2] = j & 0xff;
j = 0;
}
}
*nm = wwn_to_u64(wwn);
return 0;
}
/*
* "Short-cut" sysfs variable to create a new vport on a FC Host.
* Input is a string of the form "<WWPN>:<WWNN>". Other attributes
* will default to a NPIV-based FCP_Initiator; The WWNs are specified
* as hex characters, and may *not* contain any prefixes (e.g. 0x, x, etc)
*/
static ssize_t
store_fc_host_vport_create(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct Scsi_Host *shost = transport_class_to_shost(dev);
struct fc_vport_identifiers vid;
struct fc_vport *vport;
unsigned int cnt=count;
int stat;
memset(&vid, 0, sizeof(vid));
/* count may include a LF at end of string */
if (buf[cnt-1] == '\n')
cnt--;
/* validate we have enough characters for WWPN */
if ((cnt != (16+1+16)) || (buf[16] != ':'))
return -EINVAL;
stat = fc_parse_wwn(&buf[0], &vid.port_name);
if (stat)
return stat;
stat = fc_parse_wwn(&buf[17], &vid.node_name);
if (stat)
return stat;
vid.roles = FC_PORT_ROLE_FCP_INITIATOR;
vid.vport_type = FC_PORTTYPE_NPIV;
/* vid.symbolic_name is already zero/NULL's */
vid.disable = false; /* always enabled */
/* we only allow support on Channel 0 !!! */
stat = fc_vport_setup(shost, 0, &shost->shost_gendev, &vid, &vport);
return stat ? stat : count;
}
static FC_DEVICE_ATTR(host, vport_create, S_IWUSR, NULL,
store_fc_host_vport_create);
/*
* "Short-cut" sysfs variable to delete a vport on a FC Host.
* Vport is identified by a string containing "<WWPN>:<WWNN>".
* The WWNs are specified as hex characters, and may *not* contain
* any prefixes (e.g. 0x, x, etc)
*/
static ssize_t
store_fc_host_vport_delete(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct Scsi_Host *shost = transport_class_to_shost(dev);
struct fc_host_attrs *fc_host = shost_to_fc_host(shost);
struct fc_vport *vport;
u64 wwpn, wwnn;
unsigned long flags;
unsigned int cnt=count;
int stat, match;
/* count may include a LF at end of string */
if (buf[cnt-1] == '\n')
cnt--;
/* validate we have enough characters for WWPN */
if ((cnt != (16+1+16)) || (buf[16] != ':'))
return -EINVAL;
stat = fc_parse_wwn(&buf[0], &wwpn);
if (stat)
return stat;
stat = fc_parse_wwn(&buf[17], &wwnn);
if (stat)
return stat;
spin_lock_irqsave(shost->host_lock, flags);
match = 0;
/* we only allow support on Channel 0 !!! */
list_for_each_entry(vport, &fc_host->vports, peers) {
if ((vport->channel == 0) &&
(vport->port_name == wwpn) && (vport->node_name == wwnn)) {
if (vport->flags & (FC_VPORT_DEL | FC_VPORT_CREATING))
break;
vport->flags |= FC_VPORT_DELETING;
match = 1;
break;
}
}
spin_unlock_irqrestore(shost->host_lock, flags);
if (!match)
return -ENODEV;
stat = fc_vport_terminate(vport);
return stat ? stat : count;
}
static FC_DEVICE_ATTR(host, vport_delete, S_IWUSR, NULL,
store_fc_host_vport_delete);
static int fc_host_match(struct attribute_container *cont,
struct device *dev)
{
struct Scsi_Host *shost;
struct fc_internal *i;
if (!scsi_is_host_device(dev))
return 0;
shost = dev_to_shost(dev);
if (!shost->transportt || shost->transportt->host_attrs.ac.class
!= &fc_host_class.class)
return 0;
i = to_fc_internal(shost->transportt);
return &i->t.host_attrs.ac == cont;
}
static int fc_target_match(struct attribute_container *cont,
struct device *dev)
{
struct Scsi_Host *shost;
struct fc_internal *i;
if (!scsi_is_target_device(dev))
return 0;
shost = dev_to_shost(dev->parent);
if (!shost->transportt || shost->transportt->host_attrs.ac.class
!= &fc_host_class.class)
return 0;
i = to_fc_internal(shost->transportt);
return &i->t.target_attrs.ac == cont;
}
static void fc_rport_dev_release(struct device *dev)
{
struct fc_rport *rport = dev_to_rport(dev);
put_device(dev->parent);
kfree(rport);
}
int scsi_is_fc_rport(const struct device *dev)
{
return dev->release == fc_rport_dev_release;
}
EXPORT_SYMBOL(scsi_is_fc_rport);
static int fc_rport_match(struct attribute_container *cont,
struct device *dev)
{
struct Scsi_Host *shost;
struct fc_internal *i;
if (!scsi_is_fc_rport(dev))
return 0;
shost = dev_to_shost(dev->parent);
if (!shost->transportt || shost->transportt->host_attrs.ac.class
!= &fc_host_class.class)
return 0;
i = to_fc_internal(shost->transportt);
return &i->rport_attr_cont.ac == cont;
}
static void fc_vport_dev_release(struct device *dev)
{
struct fc_vport *vport = dev_to_vport(dev);
put_device(dev->parent); /* release kobj parent */
kfree(vport);
}
int scsi_is_fc_vport(const struct device *dev)
{
return dev->release == fc_vport_dev_release;
}
EXPORT_SYMBOL(scsi_is_fc_vport);
static int fc_vport_match(struct attribute_container *cont,
struct device *dev)
{
struct fc_vport *vport;
struct Scsi_Host *shost;
struct fc_internal *i;
if (!scsi_is_fc_vport(dev))
return 0;
vport = dev_to_vport(dev);
shost = vport_to_shost(vport);
if (!shost->transportt || shost->transportt->host_attrs.ac.class
!= &fc_host_class.class)
return 0;
i = to_fc_internal(shost->transportt);
return &i->vport_attr_cont.ac == cont;
}
/**
* fc_timed_out - FC Transport I/O timeout intercept handler
* @scmd: The SCSI command which timed out
*
* This routine protects against error handlers getting invoked while a
* rport is in a blocked state, typically due to a temporarily loss of
* connectivity. If the error handlers are allowed to proceed, requests
* to abort i/o, reset the target, etc will likely fail as there is no way
* to communicate with the device to perform the requested function. These
* failures may result in the midlayer taking the device offline, requiring
* manual intervention to restore operation.
*
* This routine, called whenever an i/o times out, validates the state of
* the underlying rport. If the rport is blocked, it returns
* EH_RESET_TIMER, which will continue to reschedule the timeout.
* Eventually, either the device will return, or devloss_tmo will fire,
* and when the timeout then fires, it will be handled normally.
* If the rport is not blocked, normal error handling continues.
*
* Notes:
* This routine assumes no locks are held on entry.
*/
static enum blk_eh_timer_return
fc_timed_out(struct scsi_cmnd *scmd)
{
struct fc_rport *rport = starget_to_rport(scsi_target(scmd->device));
if (rport->port_state == FC_PORTSTATE_BLOCKED)
return BLK_EH_RESET_TIMER;
return BLK_EH_NOT_HANDLED;
}
/*
* Called by fc_user_scan to locate an rport on the shost that
* matches the channel and target id, and invoke scsi_scan_target()
* on the rport.
*/
static void
fc_user_scan_tgt(struct Scsi_Host *shost, uint channel, uint id, uint lun)
{
struct fc_rport *rport;
unsigned long flags;
spin_lock_irqsave(shost->host_lock, flags);
list_for_each_entry(rport, &fc_host_rports(shost), peers) {
if (rport->scsi_target_id == -1)
continue;
if (rport->port_state != FC_PORTSTATE_ONLINE)
continue;
if ((channel == rport->channel) &&
(id == rport->scsi_target_id)) {
spin_unlock_irqrestore(shost->host_lock, flags);
scsi_scan_target(&rport->dev, channel, id, lun, 1);
return;
}
}
spin_unlock_irqrestore(shost->host_lock, flags);
}
/*
* Called via sysfs scan routines. Necessary, as the FC transport
* wants to place all target objects below the rport object. So this
* routine must invoke the scsi_scan_target() routine with the rport
* object as the parent.
*/
static int
fc_user_scan(struct Scsi_Host *shost, uint channel, uint id, uint lun)
{
uint chlo, chhi;
uint tgtlo, tgthi;
if (((channel != SCAN_WILD_CARD) && (channel > shost->max_channel)) ||
((id != SCAN_WILD_CARD) && (id >= shost->max_id)) ||
((lun != SCAN_WILD_CARD) && (lun > shost->max_lun)))
return -EINVAL;
if (channel == SCAN_WILD_CARD) {
chlo = 0;
chhi = shost->max_channel + 1;
} else {
chlo = channel;
chhi = channel + 1;
}
if (id == SCAN_WILD_CARD) {
tgtlo = 0;
tgthi = shost->max_id;
} else {
tgtlo = id;
tgthi = id + 1;
}
for ( ; chlo < chhi; chlo++)
for ( ; tgtlo < tgthi; tgtlo++)
fc_user_scan_tgt(shost, chlo, tgtlo, lun);
return 0;
}
static int fc_tsk_mgmt_response(struct Scsi_Host *shost, u64 nexus, u64 tm_id,
int result)
{
struct fc_internal *i = to_fc_internal(shost->transportt);
return i->f->tsk_mgmt_response(shost, nexus, tm_id, result);
}
static int fc_it_nexus_response(struct Scsi_Host *shost, u64 nexus, int result)
{
struct fc_internal *i = to_fc_internal(shost->transportt);
return i->f->it_nexus_response(shost, nexus, result);
}
struct scsi_transport_template *
fc_attach_transport(struct fc_function_template *ft)
{
int count;
struct fc_internal *i = kzalloc(sizeof(struct fc_internal),
GFP_KERNEL);
if (unlikely(!i))
return NULL;
i->t.target_attrs.ac.attrs = &i->starget_attrs[0];
i->t.target_attrs.ac.class = &fc_transport_class.class;
i->t.target_attrs.ac.match = fc_target_match;
i->t.target_size = sizeof(struct fc_starget_attrs);
transport_container_register(&i->t.target_attrs);
i->t.host_attrs.ac.attrs = &i->host_attrs[0];
i->t.host_attrs.ac.class = &fc_host_class.class;
i->t.host_attrs.ac.match = fc_host_match;
i->t.host_size = sizeof(struct fc_host_attrs);
if (ft->get_fc_host_stats)
i->t.host_attrs.statistics = &fc_statistics_group;
transport_container_register(&i->t.host_attrs);
i->rport_attr_cont.ac.attrs = &i->rport_attrs[0];
i->rport_attr_cont.ac.class = &fc_rport_class.class;
i->rport_attr_cont.ac.match = fc_rport_match;
transport_container_register(&i->rport_attr_cont);
i->vport_attr_cont.ac.attrs = &i->vport_attrs[0];
i->vport_attr_cont.ac.class = &fc_vport_class.class;
i->vport_attr_cont.ac.match = fc_vport_match;
transport_container_register(&i->vport_attr_cont);
i->f = ft;
/* Transport uses the shost workq for scsi scanning */
i->t.create_work_queue = 1;
i->t.eh_timed_out = fc_timed_out;
i->t.user_scan = fc_user_scan;
/* target-mode drivers' functions */
i->t.tsk_mgmt_response = fc_tsk_mgmt_response;
i->t.it_nexus_response = fc_it_nexus_response;
/*
* Setup SCSI Target Attributes.
*/
count = 0;
SETUP_STARGET_ATTRIBUTE_RD(node_name);
SETUP_STARGET_ATTRIBUTE_RD(port_name);
SETUP_STARGET_ATTRIBUTE_RD(port_id);
BUG_ON(count > FC_STARGET_NUM_ATTRS);
i->starget_attrs[count] = NULL;
/*
* Setup SCSI Host Attributes.
*/
count=0;
SETUP_HOST_ATTRIBUTE_RD(node_name);
SETUP_HOST_ATTRIBUTE_RD(port_name);
SETUP_HOST_ATTRIBUTE_RD(permanent_port_name);
SETUP_HOST_ATTRIBUTE_RD(supported_classes);
SETUP_HOST_ATTRIBUTE_RD(supported_fc4s);
SETUP_HOST_ATTRIBUTE_RD(supported_speeds);
SETUP_HOST_ATTRIBUTE_RD(maxframe_size);
if (ft->vport_create) {
SETUP_HOST_ATTRIBUTE_RD_NS(max_npiv_vports);
SETUP_HOST_ATTRIBUTE_RD_NS(npiv_vports_inuse);
}
SETUP_HOST_ATTRIBUTE_RD(serial_number);
SETUP_HOST_ATTRIBUTE_RD(manufacturer);
SETUP_HOST_ATTRIBUTE_RD(model);
SETUP_HOST_ATTRIBUTE_RD(model_description);
SETUP_HOST_ATTRIBUTE_RD(hardware_version);
SETUP_HOST_ATTRIBUTE_RD(driver_version);
SETUP_HOST_ATTRIBUTE_RD(firmware_version);
SETUP_HOST_ATTRIBUTE_RD(optionrom_version);
SETUP_HOST_ATTRIBUTE_RD(port_id);
SETUP_HOST_ATTRIBUTE_RD(port_type);
SETUP_HOST_ATTRIBUTE_RD(port_state);
SETUP_HOST_ATTRIBUTE_RD(active_fc4s);
SETUP_HOST_ATTRIBUTE_RD(speed);
SETUP_HOST_ATTRIBUTE_RD(fabric_name);
SETUP_HOST_ATTRIBUTE_RD(symbolic_name);
SETUP_HOST_ATTRIBUTE_RW(system_hostname);
/* Transport-managed attributes */
SETUP_PRIVATE_HOST_ATTRIBUTE_RW(dev_loss_tmo);
SETUP_PRIVATE_HOST_ATTRIBUTE_RW(tgtid_bind_type);
if (ft->issue_fc_host_lip)
SETUP_PRIVATE_HOST_ATTRIBUTE_RW(issue_lip);
if (ft->vport_create)
SETUP_PRIVATE_HOST_ATTRIBUTE_RW(vport_create);
if (ft->vport_delete)
SETUP_PRIVATE_HOST_ATTRIBUTE_RW(vport_delete);
BUG_ON(count > FC_HOST_NUM_ATTRS);
i->host_attrs[count] = NULL;
/*
* Setup Remote Port Attributes.
*/
count=0;
SETUP_RPORT_ATTRIBUTE_RD(maxframe_size);
SETUP_RPORT_ATTRIBUTE_RD(supported_classes);
SETUP_RPORT_ATTRIBUTE_RW(dev_loss_tmo);
SETUP_PRIVATE_RPORT_ATTRIBUTE_RD(node_name);
SETUP_PRIVATE_RPORT_ATTRIBUTE_RD(port_name);
SETUP_PRIVATE_RPORT_ATTRIBUTE_RD(port_id);
SETUP_PRIVATE_RPORT_ATTRIBUTE_RD(roles);
SETUP_PRIVATE_RPORT_ATTRIBUTE_RD(port_state);
SETUP_PRIVATE_RPORT_ATTRIBUTE_RD(scsi_target_id);
SETUP_PRIVATE_RPORT_ATTRIBUTE_RW(fast_io_fail_tmo);
BUG_ON(count > FC_RPORT_NUM_ATTRS);
i->rport_attrs[count] = NULL;
/*
* Setup Virtual Port Attributes.
*/
count=0;
SETUP_PRIVATE_VPORT_ATTRIBUTE_RD(vport_state);
SETUP_PRIVATE_VPORT_ATTRIBUTE_RD(vport_last_state);
SETUP_PRIVATE_VPORT_ATTRIBUTE_RD(node_name);
SETUP_PRIVATE_VPORT_ATTRIBUTE_RD(port_name);
SETUP_PRIVATE_VPORT_ATTRIBUTE_RD(roles);
SETUP_PRIVATE_VPORT_ATTRIBUTE_RD(vport_type);
SETUP_VPORT_ATTRIBUTE_RW(symbolic_name);
SETUP_VPORT_ATTRIBUTE_WR(vport_delete);
SETUP_VPORT_ATTRIBUTE_WR(vport_disable);
BUG_ON(count > FC_VPORT_NUM_ATTRS);
i->vport_attrs[count] = NULL;
return &i->t;
}
EXPORT_SYMBOL(fc_attach_transport);
void fc_release_transport(struct scsi_transport_template *t)
{
struct fc_internal *i = to_fc_internal(t);
transport_container_unregister(&i->t.target_attrs);
transport_container_unregister(&i->t.host_attrs);
transport_container_unregister(&i->rport_attr_cont);
transport_container_unregister(&i->vport_attr_cont);
kfree(i);
}
EXPORT_SYMBOL(fc_release_transport);
/**
* fc_queue_work - Queue work to the fc_host workqueue.
* @shost: Pointer to Scsi_Host bound to fc_host.
* @work: Work to queue for execution.
*
* Return value:
* 1 - work queued for execution
* 0 - work is already queued
* -EINVAL - work queue doesn't exist
*/
static int
fc_queue_work(struct Scsi_Host *shost, struct work_struct *work)
{
if (unlikely(!fc_host_work_q(shost))) {
printk(KERN_ERR
"ERROR: FC host '%s' attempted to queue work, "
"when no workqueue created.\n", shost->hostt->name);
dump_stack();
return -EINVAL;
}
return queue_work(fc_host_work_q(shost), work);
}
/**
* fc_flush_work - Flush a fc_host's workqueue.
* @shost: Pointer to Scsi_Host bound to fc_host.
*/
static void
fc_flush_work(struct Scsi_Host *shost)
{
if (!fc_host_work_q(shost)) {
printk(KERN_ERR
"ERROR: FC host '%s' attempted to flush work, "
"when no workqueue created.\n", shost->hostt->name);
dump_stack();
return;
}
flush_workqueue(fc_host_work_q(shost));
}
/**
* fc_queue_devloss_work - Schedule work for the fc_host devloss workqueue.
* @shost: Pointer to Scsi_Host bound to fc_host.
* @work: Work to queue for execution.
* @delay: jiffies to delay the work queuing
*
* Return value:
* 1 on success / 0 already queued / < 0 for error
*/
static int
fc_queue_devloss_work(struct Scsi_Host *shost, struct delayed_work *work,
unsigned long delay)
{
if (unlikely(!fc_host_devloss_work_q(shost))) {
printk(KERN_ERR
"ERROR: FC host '%s' attempted to queue work, "
"when no workqueue created.\n", shost->hostt->name);
dump_stack();
return -EINVAL;
}
return queue_delayed_work(fc_host_devloss_work_q(shost), work, delay);
}
/**
* fc_flush_devloss - Flush a fc_host's devloss workqueue.
* @shost: Pointer to Scsi_Host bound to fc_host.
*/
static void
fc_flush_devloss(struct Scsi_Host *shost)
{
if (!fc_host_devloss_work_q(shost)) {
printk(KERN_ERR
"ERROR: FC host '%s' attempted to flush work, "
"when no workqueue created.\n", shost->hostt->name);
dump_stack();
return;
}
flush_workqueue(fc_host_devloss_work_q(shost));
}
/**
* fc_remove_host - called to terminate any fc_transport-related elements for a scsi host.
* @shost: Which &Scsi_Host
*
* This routine is expected to be called immediately preceding the
* a driver's call to scsi_remove_host().
*
* WARNING: A driver utilizing the fc_transport, which fails to call
* this routine prior to scsi_remove_host(), will leave dangling
* objects in /sys/class/fc_remote_ports. Access to any of these
* objects can result in a system crash !!!
*
* Notes:
* This routine assumes no locks are held on entry.
*/
void
fc_remove_host(struct Scsi_Host *shost)
{
struct fc_vport *vport = NULL, *next_vport = NULL;
struct fc_rport *rport = NULL, *next_rport = NULL;
struct workqueue_struct *work_q;
struct fc_host_attrs *fc_host = shost_to_fc_host(shost);
unsigned long flags;
spin_lock_irqsave(shost->host_lock, flags);
/* Remove any vports */
list_for_each_entry_safe(vport, next_vport, &fc_host->vports, peers)
fc_queue_work(shost, &vport->vport_delete_work);
/* Remove any remote ports */
list_for_each_entry_safe(rport, next_rport,
&fc_host->rports, peers) {
list_del(&rport->peers);
rport->port_state = FC_PORTSTATE_DELETED;
fc_queue_work(shost, &rport->rport_delete_work);
}
list_for_each_entry_safe(rport, next_rport,
&fc_host->rport_bindings, peers) {
list_del(&rport->peers);
rport->port_state = FC_PORTSTATE_DELETED;
fc_queue_work(shost, &rport->rport_delete_work);
}
spin_unlock_irqrestore(shost->host_lock, flags);
/* flush all scan work items */
scsi_flush_work(shost);
/* flush all stgt delete, and rport delete work items, then kill it */
if (fc_host->work_q) {
work_q = fc_host->work_q;
fc_host->work_q = NULL;
destroy_workqueue(work_q);
}
/* flush all devloss work items, then kill it */
if (fc_host->devloss_work_q) {
work_q = fc_host->devloss_work_q;
fc_host->devloss_work_q = NULL;
destroy_workqueue(work_q);
}
}
EXPORT_SYMBOL(fc_remove_host);
static void fc_terminate_rport_io(struct fc_rport *rport)
{
struct Scsi_Host *shost = rport_to_shost(rport);
struct fc_internal *i = to_fc_internal(shost->transportt);
/* Involve the LLDD if possible to terminate all io on the rport. */
if (i->f->terminate_rport_io)
i->f->terminate_rport_io(rport);
/*
* must unblock to flush queued IO. The caller will have set
* the port_state or flags, so that fc_remote_port_chkready will
* fail IO.
*/
scsi_target_unblock(&rport->dev);
}
/**
* fc_starget_delete - called to delete the scsi descendants of an rport
* @work: remote port to be operated on.
*
* Deletes target and all sdevs.
*/
static void
fc_starget_delete(struct work_struct *work)
{
struct fc_rport *rport =
container_of(work, struct fc_rport, stgt_delete_work);
fc_terminate_rport_io(rport);
scsi_remove_target(&rport->dev);
}
/**
* fc_rport_final_delete - finish rport termination and delete it.
* @work: remote port to be deleted.
*/
static void
fc_rport_final_delete(struct work_struct *work)
{
struct fc_rport *rport =
container_of(work, struct fc_rport, rport_delete_work);
struct device *dev = &rport->dev;
struct Scsi_Host *shost = rport_to_shost(rport);
struct fc_internal *i = to_fc_internal(shost->transportt);
unsigned long flags;
int do_callback = 0;
fc_terminate_rport_io(rport);
/*
* if a scan is pending, flush the SCSI Host work_q so that
* that we can reclaim the rport scan work element.
*/
if (rport->flags & FC_RPORT_SCAN_PENDING)
scsi_flush_work(shost);
/*
* Cancel any outstanding timers. These should really exist
* only when rmmod'ing the LLDD and we're asking for
* immediate termination of the rports
*/
spin_lock_irqsave(shost->host_lock, flags);
if (rport->flags & FC_RPORT_DEVLOSS_PENDING) {
spin_unlock_irqrestore(shost->host_lock, flags);
if (!cancel_delayed_work(&rport->fail_io_work))
fc_flush_devloss(shost);
if (!cancel_delayed_work(&rport->dev_loss_work))
fc_flush_devloss(shost);
spin_lock_irqsave(shost->host_lock, flags);
rport->flags &= ~FC_RPORT_DEVLOSS_PENDING;
}
spin_unlock_irqrestore(shost->host_lock, flags);
/* Delete SCSI target and sdevs */
if (rport->scsi_target_id != -1)
fc_starget_delete(&rport->stgt_delete_work);
/*
* Notify the driver that the rport is now dead. The LLDD will
* also guarantee that any communication to the rport is terminated
*
* Avoid this call if we already called it when we preserved the
* rport for the binding.
*/
spin_lock_irqsave(shost->host_lock, flags);
if (!(rport->flags & FC_RPORT_DEVLOSS_CALLBK_DONE) &&
(i->f->dev_loss_tmo_callbk)) {
rport->flags |= FC_RPORT_DEVLOSS_CALLBK_DONE;
do_callback = 1;
}
spin_unlock_irqrestore(shost->host_lock, flags);
if (do_callback)
i->f->dev_loss_tmo_callbk(rport);
fc_bsg_remove(rport->rqst_q);
transport_remove_device(dev);
device_del(dev);
transport_destroy_device(dev);
put_device(&shost->shost_gendev); /* for fc_host->rport list */
put_device(dev); /* for self-reference */
}
/**
* fc_rport_create - allocates and creates a remote FC port.
* @shost: scsi host the remote port is connected to.
* @channel: Channel on shost port connected to.
* @ids: The world wide names, fc address, and FC4 port
* roles for the remote port.
*
* Allocates and creates the remoter port structure, including the
* class and sysfs creation.
*
* Notes:
* This routine assumes no locks are held on entry.
*/
static struct fc_rport *
fc_rport_create(struct Scsi_Host *shost, int channel,
struct fc_rport_identifiers *ids)
{
struct fc_host_attrs *fc_host = shost_to_fc_host(shost);
struct fc_internal *fci = to_fc_internal(shost->transportt);
struct fc_rport *rport;
struct device *dev;
unsigned long flags;
int error;
size_t size;
size = (sizeof(struct fc_rport) + fci->f->dd_fcrport_size);
rport = kzalloc(size, GFP_KERNEL);
if (unlikely(!rport)) {
printk(KERN_ERR "%s: allocation failure\n", __func__);
return NULL;
}
rport->maxframe_size = -1;
rport->supported_classes = FC_COS_UNSPECIFIED;
rport->dev_loss_tmo = fc_host->dev_loss_tmo;
memcpy(&rport->node_name, &ids->node_name, sizeof(rport->node_name));
memcpy(&rport->port_name, &ids->port_name, sizeof(rport->port_name));
rport->port_id = ids->port_id;
rport->roles = ids->roles;
rport->port_state = FC_PORTSTATE_ONLINE;
if (fci->f->dd_fcrport_size)
rport->dd_data = &rport[1];
rport->channel = channel;
rport->fast_io_fail_tmo = -1;
INIT_DELAYED_WORK(&rport->dev_loss_work, fc_timeout_deleted_rport);
INIT_DELAYED_WORK(&rport->fail_io_work, fc_timeout_fail_rport_io);
INIT_WORK(&rport->scan_work, fc_scsi_scan_rport);
INIT_WORK(&rport->stgt_delete_work, fc_starget_delete);
INIT_WORK(&rport->rport_delete_work, fc_rport_final_delete);
spin_lock_irqsave(shost->host_lock, flags);
rport->number = fc_host->next_rport_number++;
if (rport->roles & FC_PORT_ROLE_FCP_TARGET)
rport->scsi_target_id = fc_host->next_target_id++;
else
rport->scsi_target_id = -1;
list_add_tail(&rport->peers, &fc_host->rports);
get_device(&shost->shost_gendev); /* for fc_host->rport list */
spin_unlock_irqrestore(shost->host_lock, flags);
dev = &rport->dev;
device_initialize(dev); /* takes self reference */
dev->parent = get_device(&shost->shost_gendev); /* parent reference */
dev->release = fc_rport_dev_release;
dev_set_name(dev, "rport-%d:%d-%d",
shost->host_no, channel, rport->number);
transport_setup_device(dev);
error = device_add(dev);
if (error) {
printk(KERN_ERR "FC Remote Port device_add failed\n");
goto delete_rport;
}
transport_add_device(dev);
transport_configure_device(dev);
fc_bsg_rportadd(shost, rport);
/* ignore any bsg add error - we just can't do sgio */
if (rport->roles & FC_PORT_ROLE_FCP_TARGET) {
/* initiate a scan of the target */
rport->flags |= FC_RPORT_SCAN_PENDING;
scsi_queue_work(shost, &rport->scan_work);
}
return rport;
delete_rport:
transport_destroy_device(dev);
spin_lock_irqsave(shost->host_lock, flags);
list_del(&rport->peers);
put_device(&shost->shost_gendev); /* for fc_host->rport list */
spin_unlock_irqrestore(shost->host_lock, flags);
put_device(dev->parent);
kfree(rport);
return NULL;
}
/**
* fc_remote_port_add - notify fc transport of the existence of a remote FC port.
* @shost: scsi host the remote port is connected to.
* @channel: Channel on shost port connected to.
* @ids: The world wide names, fc address, and FC4 port
* roles for the remote port.
*
* The LLDD calls this routine to notify the transport of the existence
* of a remote port. The LLDD provides the unique identifiers (wwpn,wwn)
* of the port, it's FC address (port_id), and the FC4 roles that are
* active for the port.
*
* For ports that are FCP targets (aka scsi targets), the FC transport
* maintains consistent target id bindings on behalf of the LLDD.
* A consistent target id binding is an assignment of a target id to
* a remote port identifier, which persists while the scsi host is
* attached. The remote port can disappear, then later reappear, and
* it's target id assignment remains the same. This allows for shifts
* in FC addressing (if binding by wwpn or wwnn) with no apparent
* changes to the scsi subsystem which is based on scsi host number and
* target id values. Bindings are only valid during the attachment of
* the scsi host. If the host detaches, then later re-attaches, target
* id bindings may change.
*
* This routine is responsible for returning a remote port structure.
* The routine will search the list of remote ports it maintains
* internally on behalf of consistent target id mappings. If found, the
* remote port structure will be reused. Otherwise, a new remote port
* structure will be allocated.
*
* Whenever a remote port is allocated, a new fc_remote_port class
* device is created.
*
* Should not be called from interrupt context.
*
* Notes:
* This routine assumes no locks are held on entry.
*/
struct fc_rport *
fc_remote_port_add(struct Scsi_Host *shost, int channel,
struct fc_rport_identifiers *ids)
{
struct fc_internal *fci = to_fc_internal(shost->transportt);
struct fc_host_attrs *fc_host = shost_to_fc_host(shost);
struct fc_rport *rport;
unsigned long flags;
int match = 0;
/* ensure any stgt delete functions are done */
fc_flush_work(shost);
/*
* Search the list of "active" rports, for an rport that has been
* deleted, but we've held off the real delete while the target
* is in a "blocked" state.
*/
spin_lock_irqsave(shost->host_lock, flags);
list_for_each_entry(rport, &fc_host->rports, peers) {
if ((rport->port_state == FC_PORTSTATE_BLOCKED) &&
(rport->channel == channel)) {
switch (fc_host->tgtid_bind_type) {
case FC_TGTID_BIND_BY_WWPN:
case FC_TGTID_BIND_NONE:
if (rport->port_name == ids->port_name)
match = 1;
break;
case FC_TGTID_BIND_BY_WWNN:
if (rport->node_name == ids->node_name)
match = 1;
break;
case FC_TGTID_BIND_BY_ID:
if (rport->port_id == ids->port_id)
match = 1;
break;
}
if (match) {
memcpy(&rport->node_name, &ids->node_name,
sizeof(rport->node_name));
memcpy(&rport->port_name, &ids->port_name,
sizeof(rport->port_name));
rport->port_id = ids->port_id;
rport->port_state = FC_PORTSTATE_ONLINE;
rport->roles = ids->roles;
spin_unlock_irqrestore(shost->host_lock, flags);
if (fci->f->dd_fcrport_size)
memset(rport->dd_data, 0,
fci->f->dd_fcrport_size);
/*
* If we were not a target, cancel the
* io terminate and rport timers, and
* we're done.
*
* If we were a target, but our new role
* doesn't indicate a target, leave the
* timers running expecting the role to
* change as the target fully logs in. If
* it doesn't, the target will be torn down.
*
* If we were a target, and our role shows
* we're still a target, cancel the timers
* and kick off a scan.
*/
/* was a target, not in roles */
if ((rport->scsi_target_id != -1) &&
(!(ids->roles & FC_PORT_ROLE_FCP_TARGET)))
return rport;
/*
* Stop the fail io and dev_loss timers.
* If they flush, the port_state will
* be checked and will NOOP the function.
*/
if (!cancel_delayed_work(&rport->fail_io_work))
fc_flush_devloss(shost);
if (!cancel_delayed_work(&rport->dev_loss_work))
fc_flush_devloss(shost);
spin_lock_irqsave(shost->host_lock, flags);
rport->flags &= ~(FC_RPORT_FAST_FAIL_TIMEDOUT |
FC_RPORT_DEVLOSS_PENDING |
FC_RPORT_DEVLOSS_CALLBK_DONE);
/* if target, initiate a scan */
if (rport->scsi_target_id != -1) {
rport->flags |= FC_RPORT_SCAN_PENDING;
scsi_queue_work(shost,
&rport->scan_work);
spin_unlock_irqrestore(shost->host_lock,
flags);
scsi_target_unblock(&rport->dev);
} else
spin_unlock_irqrestore(shost->host_lock,
flags);
fc_bsg_goose_queue(rport);
return rport;
}
}
}
/*
* Search the bindings array
* Note: if never a FCP target, you won't be on this list
*/
if (fc_host->tgtid_bind_type != FC_TGTID_BIND_NONE) {
/* search for a matching consistent binding */
list_for_each_entry(rport, &fc_host->rport_bindings,
peers) {
if (rport->channel != channel)
continue;
switch (fc_host->tgtid_bind_type) {
case FC_TGTID_BIND_BY_WWPN:
if (rport->port_name == ids->port_name)
match = 1;
break;
case FC_TGTID_BIND_BY_WWNN:
if (rport->node_name == ids->node_name)
match = 1;
break;
case FC_TGTID_BIND_BY_ID:
if (rport->port_id == ids->port_id)
match = 1;
break;
case FC_TGTID_BIND_NONE: /* to keep compiler happy */
break;
}
if (match) {
list_move_tail(&rport->peers, &fc_host->rports);
break;
}
}
if (match) {
memcpy(&rport->node_name, &ids->node_name,
sizeof(rport->node_name));
memcpy(&rport->port_name, &ids->port_name,
sizeof(rport->port_name));
rport->port_id = ids->port_id;
rport->roles = ids->roles;
rport->port_state = FC_PORTSTATE_ONLINE;
rport->flags &= ~FC_RPORT_FAST_FAIL_TIMEDOUT;
if (fci->f->dd_fcrport_size)
memset(rport->dd_data, 0,
fci->f->dd_fcrport_size);
if (rport->roles & FC_PORT_ROLE_FCP_TARGET) {
/* initiate a scan of the target */
rport->flags |= FC_RPORT_SCAN_PENDING;
scsi_queue_work(shost, &rport->scan_work);
spin_unlock_irqrestore(shost->host_lock, flags);
scsi_target_unblock(&rport->dev);
} else
spin_unlock_irqrestore(shost->host_lock, flags);
return rport;
}
}
spin_unlock_irqrestore(shost->host_lock, flags);
/* No consistent binding found - create new remote port entry */
rport = fc_rport_create(shost, channel, ids);
return rport;
}
EXPORT_SYMBOL(fc_remote_port_add);
/**
* fc_remote_port_delete - notifies the fc transport that a remote port is no longer in existence.
* @rport: The remote port that no longer exists
*
* The LLDD calls this routine to notify the transport that a remote
* port is no longer part of the topology. Note: Although a port
* may no longer be part of the topology, it may persist in the remote
* ports displayed by the fc_host. We do this under 2 conditions:
* 1) If the port was a scsi target, we delay its deletion by "blocking" it.
* This allows the port to temporarily disappear, then reappear without
* disrupting the SCSI device tree attached to it. During the "blocked"
* period the port will still exist.
* 2) If the port was a scsi target and disappears for longer than we
* expect, we'll delete the port and the tear down the SCSI device tree
* attached to it. However, we want to semi-persist the target id assigned
* to that port if it eventually does exist. The port structure will
* remain (although with minimal information) so that the target id
* bindings remails.
*
* If the remote port is not an FCP Target, it will be fully torn down
* and deallocated, including the fc_remote_port class device.
*
* If the remote port is an FCP Target, the port will be placed in a
* temporary blocked state. From the LLDD's perspective, the rport no
* longer exists. From the SCSI midlayer's perspective, the SCSI target
* exists, but all sdevs on it are blocked from further I/O. The following
* is then expected.
*
* If the remote port does not return (signaled by a LLDD call to
* fc_remote_port_add()) within the dev_loss_tmo timeout, then the
* scsi target is removed - killing all outstanding i/o and removing the
* scsi devices attached ot it. The port structure will be marked Not
* Present and be partially cleared, leaving only enough information to
* recognize the remote port relative to the scsi target id binding if
* it later appears. The port will remain as long as there is a valid
* binding (e.g. until the user changes the binding type or unloads the
* scsi host with the binding).
*
* If the remote port returns within the dev_loss_tmo value (and matches
* according to the target id binding type), the port structure will be
* reused. If it is no longer a SCSI target, the target will be torn
* down. If it continues to be a SCSI target, then the target will be
* unblocked (allowing i/o to be resumed), and a scan will be activated
* to ensure that all luns are detected.
*
* Called from normal process context only - cannot be called from interrupt.
*
* Notes:
* This routine assumes no locks are held on entry.
*/
void
fc_remote_port_delete(struct fc_rport *rport)
{
struct Scsi_Host *shost = rport_to_shost(rport);
unsigned long timeout = rport->dev_loss_tmo;
unsigned long flags;
/*
* No need to flush the fc_host work_q's, as all adds are synchronous.
*
* We do need to reclaim the rport scan work element, so eventually
* (in fc_rport_final_delete()) we'll flush the scsi host work_q if
* there's still a scan pending.
*/
spin_lock_irqsave(shost->host_lock, flags);
if (rport->port_state != FC_PORTSTATE_ONLINE) {
spin_unlock_irqrestore(shost->host_lock, flags);
return;
}
/*
* In the past, we if this was not an FCP-Target, we would
* unconditionally just jump to deleting the rport.
* However, rports can be used as node containers by the LLDD,
* and its not appropriate to just terminate the rport at the
* first sign of a loss in connectivity. The LLDD may want to
* send ELS traffic to re-validate the login. If the rport is
* immediately deleted, it makes it inappropriate for a node
* container.
* So... we now unconditionally wait dev_loss_tmo before
* destroying an rport.
*/
rport->port_state = FC_PORTSTATE_BLOCKED;
rport->flags |= FC_RPORT_DEVLOSS_PENDING;
spin_unlock_irqrestore(shost->host_lock, flags);
if (rport->roles & FC_PORT_ROLE_FCP_INITIATOR &&
shost->active_mode & MODE_TARGET)
fc_tgt_it_nexus_destroy(shost, (unsigned long)rport);
scsi_target_block(&rport->dev);
/* see if we need to kill io faster than waiting for device loss */
if ((rport->fast_io_fail_tmo != -1) &&
(rport->fast_io_fail_tmo < timeout))
fc_queue_devloss_work(shost, &rport->fail_io_work,
rport->fast_io_fail_tmo * HZ);
/* cap the length the devices can be blocked until they are deleted */
fc_queue_devloss_work(shost, &rport->dev_loss_work, timeout * HZ);
}
EXPORT_SYMBOL(fc_remote_port_delete);
/**
* fc_remote_port_rolechg - notifies the fc transport that the roles on a remote may have changed.
* @rport: The remote port that changed.
* @roles: New roles for this port.
*
* Description: The LLDD calls this routine to notify the transport that the
* roles on a remote port may have changed. The largest effect of this is
* if a port now becomes a FCP Target, it must be allocated a
* scsi target id. If the port is no longer a FCP target, any
* scsi target id value assigned to it will persist in case the
* role changes back to include FCP Target. No changes in the scsi
* midlayer will be invoked if the role changes (in the expectation
* that the role will be resumed. If it doesn't normal error processing
* will take place).
*
* Should not be called from interrupt context.
*
* Notes:
* This routine assumes no locks are held on entry.
*/
void
fc_remote_port_rolechg(struct fc_rport *rport, u32 roles)
{
struct Scsi_Host *shost = rport_to_shost(rport);
struct fc_host_attrs *fc_host = shost_to_fc_host(shost);
unsigned long flags;
int create = 0;
int ret;
spin_lock_irqsave(shost->host_lock, flags);
if (roles & FC_PORT_ROLE_FCP_TARGET) {
if (rport->scsi_target_id == -1) {
rport->scsi_target_id = fc_host->next_target_id++;
create = 1;
} else if (!(rport->roles & FC_PORT_ROLE_FCP_TARGET))
create = 1;
} else if (shost->active_mode & MODE_TARGET) {
ret = fc_tgt_it_nexus_create(shost, (unsigned long)rport,
(char *)&rport->node_name);
if (ret)
printk(KERN_ERR "FC Remore Port tgt nexus failed %d\n",
ret);
}
rport->roles = roles;
spin_unlock_irqrestore(shost->host_lock, flags);
if (create) {
/*
* There may have been a delete timer running on the
* port. Ensure that it is cancelled as we now know
* the port is an FCP Target.
* Note: we know the rport is exists and in an online
* state as the LLDD would not have had an rport
* reference to pass us.
*
* Take no action on the del_timer failure as the state
* machine state change will validate the
* transaction.
*/
if (!cancel_delayed_work(&rport->fail_io_work))
fc_flush_devloss(shost);
if (!cancel_delayed_work(&rport->dev_loss_work))
fc_flush_devloss(shost);
spin_lock_irqsave(shost->host_lock, flags);
rport->flags &= ~(FC_RPORT_FAST_FAIL_TIMEDOUT |
FC_RPORT_DEVLOSS_PENDING |
FC_RPORT_DEVLOSS_CALLBK_DONE);
spin_unlock_irqrestore(shost->host_lock, flags);
/* ensure any stgt delete functions are done */
fc_flush_work(shost);
/* initiate a scan of the target */
spin_lock_irqsave(shost->host_lock, flags);
rport->flags |= FC_RPORT_SCAN_PENDING;
scsi_queue_work(shost, &rport->scan_work);
spin_unlock_irqrestore(shost->host_lock, flags);
scsi_target_unblock(&rport->dev);
}
}
EXPORT_SYMBOL(fc_remote_port_rolechg);
/**
* fc_timeout_deleted_rport - Timeout handler for a deleted remote port.
* @work: rport target that failed to reappear in the allotted time.
*
* Description: An attempt to delete a remote port blocks, and if it fails
* to return in the allotted time this gets called.
*/
static void
fc_timeout_deleted_rport(struct work_struct *work)
{
struct fc_rport *rport =
container_of(work, struct fc_rport, dev_loss_work.work);
struct Scsi_Host *shost = rport_to_shost(rport);
struct fc_internal *i = to_fc_internal(shost->transportt);
struct fc_host_attrs *fc_host = shost_to_fc_host(shost);
unsigned long flags;
int do_callback = 0;
spin_lock_irqsave(shost->host_lock, flags);
rport->flags &= ~FC_RPORT_DEVLOSS_PENDING;
/*
* If the port is ONLINE, then it came back. If it was a SCSI
* target, validate it still is. If not, tear down the
* scsi_target on it.
*/
if ((rport->port_state == FC_PORTSTATE_ONLINE) &&
(rport->scsi_target_id != -1) &&
!(rport->roles & FC_PORT_ROLE_FCP_TARGET)) {
dev_printk(KERN_ERR, &rport->dev,
"blocked FC remote port time out: no longer"
" a FCP target, removing starget\n");
spin_unlock_irqrestore(shost->host_lock, flags);
scsi_target_unblock(&rport->dev);
fc_queue_work(shost, &rport->stgt_delete_work);
return;
}
/* NOOP state - we're flushing workq's */
if (rport->port_state != FC_PORTSTATE_BLOCKED) {
spin_unlock_irqrestore(shost->host_lock, flags);
dev_printk(KERN_ERR, &rport->dev,
"blocked FC remote port time out: leaving"
" rport%s alone\n",
(rport->scsi_target_id != -1) ? " and starget" : "");
return;
}
if ((fc_host->tgtid_bind_type == FC_TGTID_BIND_NONE) ||
(rport->scsi_target_id == -1)) {
list_del(&rport->peers);
rport->port_state = FC_PORTSTATE_DELETED;
dev_printk(KERN_ERR, &rport->dev,
"blocked FC remote port time out: removing"
" rport%s\n",
(rport->scsi_target_id != -1) ? " and starget" : "");
fc_queue_work(shost, &rport->rport_delete_work);
spin_unlock_irqrestore(shost->host_lock, flags);
return;
}
dev_printk(KERN_ERR, &rport->dev,
"blocked FC remote port time out: removing target and "
"saving binding\n");
list_move_tail(&rport->peers, &fc_host->rport_bindings);
/*
* Note: We do not remove or clear the hostdata area. This allows
* host-specific target data to persist along with the
* scsi_target_id. It's up to the host to manage it's hostdata area.
*/
/*
* Reinitialize port attributes that may change if the port comes back.
*/
rport->maxframe_size = -1;
rport->supported_classes = FC_COS_UNSPECIFIED;
rport->roles = FC_PORT_ROLE_UNKNOWN;
rport->port_state = FC_PORTSTATE_NOTPRESENT;
rport->flags &= ~FC_RPORT_FAST_FAIL_TIMEDOUT;
/*
* Pre-emptively kill I/O rather than waiting for the work queue
* item to teardown the starget. (FCOE libFC folks prefer this
* and to have the rport_port_id still set when it's done).
*/
spin_unlock_irqrestore(shost->host_lock, flags);
fc_terminate_rport_io(rport);
spin_lock_irqsave(shost->host_lock, flags);
if (rport->port_state == FC_PORTSTATE_NOTPRESENT) { /* still missing */
/* remove the identifiers that aren't used in the consisting binding */
switch (fc_host->tgtid_bind_type) {
case FC_TGTID_BIND_BY_WWPN:
rport->node_name = -1;
rport->port_id = -1;
break;
case FC_TGTID_BIND_BY_WWNN:
rport->port_name = -1;
rport->port_id = -1;
break;
case FC_TGTID_BIND_BY_ID:
rport->node_name = -1;
rport->port_name = -1;
break;
case FC_TGTID_BIND_NONE: /* to keep compiler happy */
break;
}
/*
* As this only occurs if the remote port (scsi target)
* went away and didn't come back - we'll remove
* all attached scsi devices.
*/
rport->flags |= FC_RPORT_DEVLOSS_CALLBK_DONE;
fc_queue_work(shost, &rport->stgt_delete_work);
do_callback = 1;
}
spin_unlock_irqrestore(shost->host_lock, flags);
/*
* Notify the driver that the rport is now dead. The LLDD will
* also guarantee that any communication to the rport is terminated
*
* Note: we set the CALLBK_DONE flag above to correspond
*/
if (do_callback && i->f->dev_loss_tmo_callbk)
i->f->dev_loss_tmo_callbk(rport);
}
/**
* fc_timeout_fail_rport_io - Timeout handler for a fast io failing on a disconnected SCSI target.
* @work: rport to terminate io on.
*
* Notes: Only requests the failure of the io, not that all are flushed
* prior to returning.
*/
static void
fc_timeout_fail_rport_io(struct work_struct *work)
{
struct fc_rport *rport =
container_of(work, struct fc_rport, fail_io_work.work);
if (rport->port_state != FC_PORTSTATE_BLOCKED)
return;
rport->flags |= FC_RPORT_FAST_FAIL_TIMEDOUT;
fc_terminate_rport_io(rport);
}
/**
* fc_scsi_scan_rport - called to perform a scsi scan on a remote port.
* @work: remote port to be scanned.
*/
static void
fc_scsi_scan_rport(struct work_struct *work)
{
struct fc_rport *rport =
container_of(work, struct fc_rport, scan_work);
struct Scsi_Host *shost = rport_to_shost(rport);
struct fc_internal *i = to_fc_internal(shost->transportt);
unsigned long flags;
if ((rport->port_state == FC_PORTSTATE_ONLINE) &&
(rport->roles & FC_PORT_ROLE_FCP_TARGET) &&
!(i->f->disable_target_scan)) {
scsi_scan_target(&rport->dev, rport->channel,
rport->scsi_target_id, SCAN_WILD_CARD, 1);
}
spin_lock_irqsave(shost->host_lock, flags);
rport->flags &= ~FC_RPORT_SCAN_PENDING;
spin_unlock_irqrestore(shost->host_lock, flags);
}
/**
* fc_block_scsi_eh - Block SCSI eh thread for blocked fc_rport
* @cmnd: SCSI command that scsi_eh is trying to recover
*
* This routine can be called from a FC LLD scsi_eh callback. It
* blocks the scsi_eh thread until the fc_rport leaves the
* FC_PORTSTATE_BLOCKED, or the fast_io_fail_tmo fires. This is
* necessary to avoid the scsi_eh failing recovery actions for blocked
* rports which would lead to offlined SCSI devices.
*
* Returns: 0 if the fc_rport left the state FC_PORTSTATE_BLOCKED.
* FAST_IO_FAIL if the fast_io_fail_tmo fired, this should be
* passed back to scsi_eh.
*/
int fc_block_scsi_eh(struct scsi_cmnd *cmnd)
{
struct Scsi_Host *shost = cmnd->device->host;
struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
unsigned long flags;
spin_lock_irqsave(shost->host_lock, flags);
while (rport->port_state == FC_PORTSTATE_BLOCKED &&
!(rport->flags & FC_RPORT_FAST_FAIL_TIMEDOUT)) {
spin_unlock_irqrestore(shost->host_lock, flags);
msleep(1000);
spin_lock_irqsave(shost->host_lock, flags);
}
spin_unlock_irqrestore(shost->host_lock, flags);
if (rport->flags & FC_RPORT_FAST_FAIL_TIMEDOUT)
return FAST_IO_FAIL;
return 0;
}
EXPORT_SYMBOL(fc_block_scsi_eh);
/**
* fc_vport_setup - allocates and creates a FC virtual port.
* @shost: scsi host the virtual port is connected to.
* @channel: Channel on shost port connected to.
* @pdev: parent device for vport
* @ids: The world wide names, FC4 port roles, etc for
* the virtual port.
* @ret_vport: The pointer to the created vport.
*
* Allocates and creates the vport structure, calls the parent host
* to instantiate the vport, the completes w/ class and sysfs creation.
*
* Notes:
* This routine assumes no locks are held on entry.
*/
static int
fc_vport_setup(struct Scsi_Host *shost, int channel, struct device *pdev,
struct fc_vport_identifiers *ids, struct fc_vport **ret_vport)
{
struct fc_host_attrs *fc_host = shost_to_fc_host(shost);
struct fc_internal *fci = to_fc_internal(shost->transportt);
struct fc_vport *vport;
struct device *dev;
unsigned long flags;
size_t size;
int error;
*ret_vport = NULL;
if ( ! fci->f->vport_create)
return -ENOENT;
size = (sizeof(struct fc_vport) + fci->f->dd_fcvport_size);
vport = kzalloc(size, GFP_KERNEL);
if (unlikely(!vport)) {
printk(KERN_ERR "%s: allocation failure\n", __func__);
return -ENOMEM;
}
vport->vport_state = FC_VPORT_UNKNOWN;
vport->vport_last_state = FC_VPORT_UNKNOWN;
vport->node_name = ids->node_name;
vport->port_name = ids->port_name;
vport->roles = ids->roles;
vport->vport_type = ids->vport_type;
if (fci->f->dd_fcvport_size)
vport->dd_data = &vport[1];
vport->shost = shost;
vport->channel = channel;
vport->flags = FC_VPORT_CREATING;
INIT_WORK(&vport->vport_delete_work, fc_vport_sched_delete);
spin_lock_irqsave(shost->host_lock, flags);
if (fc_host->npiv_vports_inuse >= fc_host->max_npiv_vports) {
spin_unlock_irqrestore(shost->host_lock, flags);
kfree(vport);
return -ENOSPC;
}
fc_host->npiv_vports_inuse++;
vport->number = fc_host->next_vport_number++;
list_add_tail(&vport->peers, &fc_host->vports);
get_device(&shost->shost_gendev); /* for fc_host->vport list */
spin_unlock_irqrestore(shost->host_lock, flags);
dev = &vport->dev;
device_initialize(dev); /* takes self reference */
dev->parent = get_device(pdev); /* takes parent reference */
dev->release = fc_vport_dev_release;
dev_set_name(dev, "vport-%d:%d-%d",
shost->host_no, channel, vport->number);
transport_setup_device(dev);
error = device_add(dev);
if (error) {
printk(KERN_ERR "FC Virtual Port device_add failed\n");
goto delete_vport;
}
transport_add_device(dev);
transport_configure_device(dev);
error = fci->f->vport_create(vport, ids->disable);
if (error) {
printk(KERN_ERR "FC Virtual Port LLDD Create failed\n");
goto delete_vport_all;
}
/*
* if the parent isn't the physical adapter's Scsi_Host, ensure
* the Scsi_Host at least contains ia symlink to the vport.
*/
if (pdev != &shost->shost_gendev) {
error = sysfs_create_link(&shost->shost_gendev.kobj,
&dev->kobj, dev_name(dev));
if (error)
printk(KERN_ERR
"%s: Cannot create vport symlinks for "
"%s, err=%d\n",
__func__, dev_name(dev), error);
}
spin_lock_irqsave(shost->host_lock, flags);
vport->flags &= ~FC_VPORT_CREATING;
spin_unlock_irqrestore(shost->host_lock, flags);
dev_printk(KERN_NOTICE, pdev,
"%s created via shost%d channel %d\n", dev_name(dev),
shost->host_no, channel);
*ret_vport = vport;
return 0;
delete_vport_all:
transport_remove_device(dev);
device_del(dev);
delete_vport:
transport_destroy_device(dev);
spin_lock_irqsave(shost->host_lock, flags);
list_del(&vport->peers);
put_device(&shost->shost_gendev); /* for fc_host->vport list */
fc_host->npiv_vports_inuse--;
spin_unlock_irqrestore(shost->host_lock, flags);
put_device(dev->parent);
kfree(vport);
return error;
}
/**
* fc_vport_create - Admin App or LLDD requests creation of a vport
* @shost: scsi host the virtual port is connected to.
* @channel: channel on shost port connected to.
* @ids: The world wide names, FC4 port roles, etc for
* the virtual port.
*
* Notes:
* This routine assumes no locks are held on entry.
*/
struct fc_vport *
fc_vport_create(struct Scsi_Host *shost, int channel,
struct fc_vport_identifiers *ids)
{
int stat;
struct fc_vport *vport;
stat = fc_vport_setup(shost, channel, &shost->shost_gendev,
ids, &vport);
return stat ? NULL : vport;
}
EXPORT_SYMBOL(fc_vport_create);
/**
* fc_vport_terminate - Admin App or LLDD requests termination of a vport
* @vport: fc_vport to be terminated
*
* Calls the LLDD vport_delete() function, then deallocates and removes
* the vport from the shost and object tree.
*
* Notes:
* This routine assumes no locks are held on entry.
*/
int
fc_vport_terminate(struct fc_vport *vport)
{
struct Scsi_Host *shost = vport_to_shost(vport);
struct fc_host_attrs *fc_host = shost_to_fc_host(shost);
struct fc_internal *i = to_fc_internal(shost->transportt);
struct device *dev = &vport->dev;
unsigned long flags;
int stat;
if (i->f->vport_delete)
stat = i->f->vport_delete(vport);
else
stat = -ENOENT;
spin_lock_irqsave(shost->host_lock, flags);
vport->flags &= ~FC_VPORT_DELETING;
if (!stat) {
vport->flags |= FC_VPORT_DELETED;
list_del(&vport->peers);
fc_host->npiv_vports_inuse--;
put_device(&shost->shost_gendev); /* for fc_host->vport list */
}
spin_unlock_irqrestore(shost->host_lock, flags);
if (stat)
return stat;
if (dev->parent != &shost->shost_gendev)
sysfs_remove_link(&shost->shost_gendev.kobj, dev_name(dev));
transport_remove_device(dev);
device_del(dev);
transport_destroy_device(dev);
/*
* Removing our self-reference should mean our
* release function gets called, which will drop the remaining
* parent reference and free the data structure.
*/
put_device(dev); /* for self-reference */
return 0; /* SUCCESS */
}
EXPORT_SYMBOL(fc_vport_terminate);
/**
* fc_vport_sched_delete - workq-based delete request for a vport
* @work: vport to be deleted.
*/
static void
fc_vport_sched_delete(struct work_struct *work)
{
struct fc_vport *vport =
container_of(work, struct fc_vport, vport_delete_work);
int stat;
stat = fc_vport_terminate(vport);
if (stat)
dev_printk(KERN_ERR, vport->dev.parent,
"%s: %s could not be deleted created via "
"shost%d channel %d - error %d\n", __func__,
dev_name(&vport->dev), vport->shost->host_no,
vport->channel, stat);
}
/*
* BSG support
*/
/**
* fc_destroy_bsgjob - routine to teardown/delete a fc bsg job
* @job: fc_bsg_job that is to be torn down
*/
static void
fc_destroy_bsgjob(struct fc_bsg_job *job)
{
unsigned long flags;
spin_lock_irqsave(&job->job_lock, flags);
if (job->ref_cnt) {
spin_unlock_irqrestore(&job->job_lock, flags);
return;
}
spin_unlock_irqrestore(&job->job_lock, flags);
put_device(job->dev); /* release reference for the request */
kfree(job->request_payload.sg_list);
kfree(job->reply_payload.sg_list);
kfree(job);
}
/**
* fc_bsg_jobdone - completion routine for bsg requests that the LLD has
* completed
* @job: fc_bsg_job that is complete
*/
static void
fc_bsg_jobdone(struct fc_bsg_job *job)
{
struct request *req = job->req;
struct request *rsp = req->next_rq;
int err;
err = job->req->errors = job->reply->result;
if (err < 0)
/* we're only returning the result field in the reply */
job->req->sense_len = sizeof(uint32_t);
else
job->req->sense_len = job->reply_len;
/* we assume all request payload was transferred, residual == 0 */
req->resid_len = 0;
if (rsp) {
WARN_ON(job->reply->reply_payload_rcv_len > rsp->resid_len);
/* set reply (bidi) residual */
rsp->resid_len -= min(job->reply->reply_payload_rcv_len,
rsp->resid_len);
}
blk_complete_request(req);
}
/**
* fc_bsg_softirq_done - softirq done routine for destroying the bsg requests
* @rq: BSG request that holds the job to be destroyed
*/
static void fc_bsg_softirq_done(struct request *rq)
{
struct fc_bsg_job *job = rq->special;
unsigned long flags;
spin_lock_irqsave(&job->job_lock, flags);
job->state_flags |= FC_RQST_STATE_DONE;
job->ref_cnt--;
spin_unlock_irqrestore(&job->job_lock, flags);
blk_end_request_all(rq, rq->errors);
fc_destroy_bsgjob(job);
}
/**
* fc_bsg_job_timeout - handler for when a bsg request timesout
* @req: request that timed out
*/
static enum blk_eh_timer_return
fc_bsg_job_timeout(struct request *req)
{
struct fc_bsg_job *job = (void *) req->special;
struct Scsi_Host *shost = job->shost;
struct fc_internal *i = to_fc_internal(shost->transportt);
unsigned long flags;
int err = 0, done = 0;
if (job->rport && job->rport->port_state == FC_PORTSTATE_BLOCKED)
return BLK_EH_RESET_TIMER;
spin_lock_irqsave(&job->job_lock, flags);
if (job->state_flags & FC_RQST_STATE_DONE)
done = 1;
else
job->ref_cnt++;
spin_unlock_irqrestore(&job->job_lock, flags);
if (!done && i->f->bsg_timeout) {
/* call LLDD to abort the i/o as it has timed out */
err = i->f->bsg_timeout(job);
if (err == -EAGAIN) {
job->ref_cnt--;
return BLK_EH_RESET_TIMER;
} else if (err)
printk(KERN_ERR "ERROR: FC BSG request timeout - LLD "
"abort failed with status %d\n", err);
}
/* the blk_end_sync_io() doesn't check the error */
if (done)
return BLK_EH_NOT_HANDLED;
else
return BLK_EH_HANDLED;
}
static int
fc_bsg_map_buffer(struct fc_bsg_buffer *buf, struct request *req)
{
size_t sz = (sizeof(struct scatterlist) * req->nr_phys_segments);
struct request_queue *q = req->queue_ctx->queue;
BUG_ON(!req->nr_phys_segments);
buf->sg_list = kzalloc(sz, GFP_KERNEL);
if (!buf->sg_list)
return -ENOMEM;
sg_init_table(buf->sg_list, req->nr_phys_segments);
buf->sg_cnt = blk_rq_map_sg(q, req, buf->sg_list);
buf->payload_len = blk_rq_bytes(req);
return 0;
}
/**
* fc_req_to_bsgjob - Allocate/create the fc_bsg_job structure for the
* bsg request
* @shost: SCSI Host corresponding to the bsg object
* @rport: (optional) FC Remote Port corresponding to the bsg object
* @req: BSG request that needs a job structure
*/
static int
fc_req_to_bsgjob(struct Scsi_Host *shost, struct fc_rport *rport,
struct request *req)
{
struct fc_internal *i = to_fc_internal(shost->transportt);
struct request *rsp = req->next_rq;
struct fc_bsg_job *job;
int ret;
BUG_ON(req->special);
job = kzalloc(sizeof(struct fc_bsg_job) + i->f->dd_bsg_size,
GFP_KERNEL);
if (!job)
return -ENOMEM;
/*
* Note: this is a bit silly.
* The request gets formatted as a SGIO v4 ioctl request, which
* then gets reformatted as a blk request, which then gets
* reformatted as a fc bsg request. And on completion, we have
* to wrap return results such that SGIO v4 thinks it was a scsi
* status. I hope this was all worth it.
*/
req->special = job;
job->shost = shost;
job->rport = rport;
job->req = req;
if (i->f->dd_bsg_size)
job->dd_data = (void *)&job[1];
spin_lock_init(&job->job_lock);
job->request = (struct fc_bsg_request *)req->cmd;
job->request_len = req->cmd_len;
job->reply = req->sense;
job->reply_len = SCSI_SENSE_BUFFERSIZE; /* Size of sense buffer
* allocated */
if (req->bio) {
ret = fc_bsg_map_buffer(&job->request_payload, req);
if (ret)
goto failjob_rls_job;
}
if (rsp && rsp->bio) {
ret = fc_bsg_map_buffer(&job->reply_payload, rsp);
if (ret)
goto failjob_rls_rqst_payload;
}
job->job_done = fc_bsg_jobdone;
if (rport)
job->dev = &rport->dev;
else
job->dev = &shost->shost_gendev;
get_device(job->dev); /* take a reference for the request */
job->ref_cnt = 1;
return 0;
failjob_rls_rqst_payload:
kfree(job->request_payload.sg_list);
failjob_rls_job:
kfree(job);
return -ENOMEM;
}
enum fc_dispatch_result {
FC_DISPATCH_BREAK, /* on return, q is locked, break from q loop */
FC_DISPATCH_LOCKED, /* on return, q is locked, continue on */
FC_DISPATCH_UNLOCKED, /* on return, q is unlocked, continue on */
};
/**
* fc_bsg_host_dispatch - process fc host bsg requests and dispatch to LLDD
* @q: fc host request queue
* @shost: scsi host rport attached to
* @job: bsg job to be processed
*/
static enum fc_dispatch_result
fc_bsg_host_dispatch(struct request_queue *q, struct Scsi_Host *shost,
struct fc_bsg_job *job)
{
struct fc_internal *i = to_fc_internal(shost->transportt);
int cmdlen = sizeof(uint32_t); /* start with length of msgcode */
int ret;
/* Validate the host command */
switch (job->request->msgcode) {
case FC_BSG_HST_ADD_RPORT:
cmdlen += sizeof(struct fc_bsg_host_add_rport);
break;
case FC_BSG_HST_DEL_RPORT:
cmdlen += sizeof(struct fc_bsg_host_del_rport);
break;
case FC_BSG_HST_ELS_NOLOGIN:
cmdlen += sizeof(struct fc_bsg_host_els);
/* there better be a xmt and rcv payloads */
if ((!job->request_payload.payload_len) ||
(!job->reply_payload.payload_len)) {
ret = -EINVAL;
goto fail_host_msg;
}
break;
case FC_BSG_HST_CT:
cmdlen += sizeof(struct fc_bsg_host_ct);
/* there better be xmt and rcv payloads */
if ((!job->request_payload.payload_len) ||
(!job->reply_payload.payload_len)) {
ret = -EINVAL;
goto fail_host_msg;
}
break;
case FC_BSG_HST_VENDOR:
cmdlen += sizeof(struct fc_bsg_host_vendor);
if ((shost->hostt->vendor_id == 0L) ||
(job->request->rqst_data.h_vendor.vendor_id !=
shost->hostt->vendor_id)) {
ret = -ESRCH;
goto fail_host_msg;
}
break;
default:
ret = -EBADR;
goto fail_host_msg;
}
/* check if we really have all the request data needed */
if (job->request_len < cmdlen) {
ret = -ENOMSG;
goto fail_host_msg;
}
ret = i->f->bsg_request(job);
if (!ret)
return FC_DISPATCH_UNLOCKED;
fail_host_msg:
/* return the errno failure code as the only status */
BUG_ON(job->reply_len < sizeof(uint32_t));
job->reply->reply_payload_rcv_len = 0;
job->reply->result = ret;
job->reply_len = sizeof(uint32_t);
fc_bsg_jobdone(job);
return FC_DISPATCH_UNLOCKED;
}
/*
* fc_bsg_goose_queue - restart rport queue in case it was stopped
* @rport: rport to be restarted
*/
static void
fc_bsg_goose_queue(struct fc_rport *rport)
{
if (!rport->rqst_q)
return;
/*
* This get/put dance makes no sense
*/
get_device(&rport->dev);
blk_run_queue_async(rport->rqst_q);
put_device(&rport->dev);
}
/**
* fc_bsg_rport_dispatch - process rport bsg requests and dispatch to LLDD
* @q: rport request queue
* @shost: scsi host rport attached to
* @rport: rport request destined to
* @job: bsg job to be processed
*/
static enum fc_dispatch_result
fc_bsg_rport_dispatch(struct request_queue *q, struct Scsi_Host *shost,
struct fc_rport *rport, struct fc_bsg_job *job)
{
struct fc_internal *i = to_fc_internal(shost->transportt);
int cmdlen = sizeof(uint32_t); /* start with length of msgcode */
int ret;
/* Validate the rport command */
switch (job->request->msgcode) {
case FC_BSG_RPT_ELS:
cmdlen += sizeof(struct fc_bsg_rport_els);
goto check_bidi;
case FC_BSG_RPT_CT:
cmdlen += sizeof(struct fc_bsg_rport_ct);
check_bidi:
/* there better be xmt and rcv payloads */
if ((!job->request_payload.payload_len) ||
(!job->reply_payload.payload_len)) {
ret = -EINVAL;
goto fail_rport_msg;
}
break;
default:
ret = -EBADR;
goto fail_rport_msg;
}
/* check if we really have all the request data needed */
if (job->request_len < cmdlen) {
ret = -ENOMSG;
goto fail_rport_msg;
}
ret = i->f->bsg_request(job);
if (!ret)
return FC_DISPATCH_UNLOCKED;
fail_rport_msg:
/* return the errno failure code as the only status */
BUG_ON(job->reply_len < sizeof(uint32_t));
job->reply->reply_payload_rcv_len = 0;
job->reply->result = ret;
job->reply_len = sizeof(uint32_t);
fc_bsg_jobdone(job);
return FC_DISPATCH_UNLOCKED;
}
/**
* fc_bsg_request_handler - generic handler for bsg requests
* @q: request queue to manage
* @shost: Scsi_Host related to the bsg object
* @rport: FC remote port related to the bsg object (optional)
* @dev: device structure for bsg object
*/
static void
fc_bsg_request_handler(struct request_queue *q, struct Scsi_Host *shost,
struct fc_rport *rport, struct device *dev)
{
struct request *req;
struct fc_bsg_job *job;
enum fc_dispatch_result ret;
if (!get_device(dev))
return;
while (1) {
if (rport && (rport->port_state == FC_PORTSTATE_BLOCKED) &&
!(rport->flags & FC_RPORT_FAST_FAIL_TIMEDOUT))
break;
req = blk_fetch_request(q);
if (!req)
break;
if (rport && (rport->port_state != FC_PORTSTATE_ONLINE)) {
req->errors = -ENXIO;
spin_unlock_irq(q->queue_lock);
blk_end_request_all(req, -ENXIO);
spin_lock_irq(q->queue_lock);
continue;
}
spin_unlock_irq(q->queue_lock);
ret = fc_req_to_bsgjob(shost, rport, req);
if (ret) {
req->errors = ret;
blk_end_request_all(req, ret);
spin_lock_irq(q->queue_lock);
continue;
}
job = req->special;
/* check if we have the msgcode value at least */
if (job->request_len < sizeof(uint32_t)) {
BUG_ON(job->reply_len < sizeof(uint32_t));
job->reply->reply_payload_rcv_len = 0;
job->reply->result = -ENOMSG;
job->reply_len = sizeof(uint32_t);
fc_bsg_jobdone(job);
spin_lock_irq(q->queue_lock);
continue;
}
/* the dispatch routines will unlock the queue_lock */
if (rport)
ret = fc_bsg_rport_dispatch(q, shost, rport, job);
else
ret = fc_bsg_host_dispatch(q, shost, job);
/* did dispatcher hit state that can't process any more */
if (ret == FC_DISPATCH_BREAK)
break;
/* did dispatcher had released the lock */
if (ret == FC_DISPATCH_UNLOCKED)
spin_lock_irq(q->queue_lock);
}
spin_unlock_irq(q->queue_lock);
put_device(dev);
spin_lock_irq(q->queue_lock);
}
/**
* fc_bsg_host_handler - handler for bsg requests for a fc host
* @q: fc host request queue
*/
static void
fc_bsg_host_handler(struct request_queue *q)
{
struct Scsi_Host *shost = q->queuedata;
fc_bsg_request_handler(q, shost, NULL, &shost->shost_gendev);
}
/**
* fc_bsg_rport_handler - handler for bsg requests for a fc rport
* @q: rport request queue
*/
static void
fc_bsg_rport_handler(struct request_queue *q)
{
struct fc_rport *rport = q->queuedata;
struct Scsi_Host *shost = rport_to_shost(rport);
fc_bsg_request_handler(q, shost, rport, &rport->dev);
}
/**
* fc_bsg_hostadd - Create and add the bsg hooks so we can receive requests
* @shost: shost for fc_host
* @fc_host: fc_host adding the structures to
*/
static int
fc_bsg_hostadd(struct Scsi_Host *shost, struct fc_host_attrs *fc_host)
{
struct device *dev = &shost->shost_gendev;
struct fc_internal *i = to_fc_internal(shost->transportt);
struct request_queue *q;
int err;
char bsg_name[20];
fc_host->rqst_q = NULL;
if (!i->f->bsg_request)
return -ENOTSUPP;
snprintf(bsg_name, sizeof(bsg_name),
"fc_host%d", shost->host_no);
q = __scsi_alloc_queue(shost, fc_bsg_host_handler);
if (!q) {
printk(KERN_ERR "fc_host%d: bsg interface failed to "
"initialize - no request queue\n",
shost->host_no);
return -ENOMEM;
}
q->queuedata = shost;
queue_flag_set_unlocked(QUEUE_FLAG_BIDI, q);
blk_queue_softirq_done(q, fc_bsg_softirq_done);
blk_queue_rq_timed_out(q, fc_bsg_job_timeout);
blk_queue_rq_timeout(q, FC_DEFAULT_BSG_TIMEOUT);
err = bsg_register_queue(q, dev, bsg_name, NULL);
if (err) {
printk(KERN_ERR "fc_host%d: bsg interface failed to "
"initialize - register queue\n",
shost->host_no);
blk_cleanup_queue(q);
return err;
}
fc_host->rqst_q = q;
return 0;
}
/**
* fc_bsg_rportadd - Create and add the bsg hooks so we can receive requests
* @shost: shost that rport is attached to
* @rport: rport that the bsg hooks are being attached to
*/
static int
fc_bsg_rportadd(struct Scsi_Host *shost, struct fc_rport *rport)
{
struct device *dev = &rport->dev;
struct fc_internal *i = to_fc_internal(shost->transportt);
struct request_queue *q;
int err;
rport->rqst_q = NULL;
if (!i->f->bsg_request)
return -ENOTSUPP;
q = __scsi_alloc_queue(shost, fc_bsg_rport_handler);
if (!q) {
printk(KERN_ERR "%s: bsg interface failed to "
"initialize - no request queue\n",
dev->kobj.name);
return -ENOMEM;
}
q->queuedata = rport;
queue_flag_set_unlocked(QUEUE_FLAG_BIDI, q);
blk_queue_softirq_done(q, fc_bsg_softirq_done);
blk_queue_rq_timed_out(q, fc_bsg_job_timeout);
blk_queue_rq_timeout(q, BLK_DEFAULT_SG_TIMEOUT);
err = bsg_register_queue(q, dev, NULL, NULL);
if (err) {
printk(KERN_ERR "%s: bsg interface failed to "
"initialize - register queue\n",
dev->kobj.name);
blk_cleanup_queue(q);
return err;
}
rport->rqst_q = q;
return 0;
}
/**
* fc_bsg_remove - Deletes the bsg hooks on fchosts/rports
* @q: the request_queue that is to be torn down.
*
* Notes:
* Before unregistering the queue empty any requests that are blocked
*
*
*/
static void
fc_bsg_remove(struct request_queue *q)
{
struct request *req; /* block request */
int counts; /* totals for request_list count and starved */
if (q) {
/* Stop taking in new requests */
spin_lock_irq(q->queue_lock);
blk_stop_queue(q);
/* drain all requests in the queue */
while (1) {
/* need the lock to fetch a request
* this may fetch the same reqeust as the previous pass
*/
req = blk_fetch_request(q);
/* save requests in use and starved */
counts = q->rq.count[0] + q->rq.count[1] +
q->rq.starved[0] + q->rq.starved[1];
spin_unlock_irq(q->queue_lock);
/* any requests still outstanding? */
if (counts == 0)
break;
/* This may be the same req as the previous iteration,
* always send the blk_end_request_all after a prefetch.
* It is not okay to not end the request because the
* prefetch started the request.
*/
if (req) {
/* return -ENXIO to indicate that this queue is
* going away
*/
req->errors = -ENXIO;
blk_end_request_all(req, -ENXIO);
}
msleep(200); /* allow bsg to possibly finish */
spin_lock_irq(q->queue_lock);
}
bsg_unregister_queue(q);
blk_cleanup_queue(q);
}
}
/* Original Author: Martin Hicks */
MODULE_AUTHOR("James Smart");
MODULE_DESCRIPTION("FC Transport Attributes");
MODULE_LICENSE("GPL");
module_init(fc_transport_init);
module_exit(fc_transport_exit);
[-- Attachment #5: blkdev.h --]
[-- Type: text/x-chdr, Size: 40792 bytes --]
#ifndef _LINUX_BLKDEV_H
#define _LINUX_BLKDEV_H
#ifdef CONFIG_BLOCK
#include <linux/sched.h>
#include <linux/major.h>
#include <linux/genhd.h>
#include <linux/list.h>
#include <linux/timer.h>
#include <linux/workqueue.h>
#include <linux/pagemap.h>
#include <linux/backing-dev.h>
#include <linux/wait.h>
#include <linux/mempool.h>
#include <linux/bio.h>
#include <linux/stringify.h>
#include <linux/gfp.h>
#include <linux/bsg.h>
#include <linux/smp.h>
#include <asm/scatterlist.h>
struct module;
struct scsi_ioctl_command;
struct request_queue;
struct elevator_queue;
struct request_pm_state;
struct blk_trace;
struct request;
struct sg_io_hdr;
struct bsg_job;
#define BLKDEV_MIN_RQ 4
#define BLKDEV_MAX_RQ 128 /* Default maximum */
struct request;
typedef void (rq_end_io_fn)(struct request *, int);
/*
* request command types
*/
enum rq_cmd_type_bits {
REQ_TYPE_FS = 1, /* fs request */
REQ_TYPE_BLOCK_PC, /* scsi command */
REQ_TYPE_SENSE, /* sense request */
REQ_TYPE_PM_SUSPEND, /* suspend request */
REQ_TYPE_PM_RESUME, /* resume request */
REQ_TYPE_PM_SHUTDOWN, /* shutdown request */
REQ_TYPE_SPECIAL, /* driver defined type */
/*
* for ATA/ATAPI devices. this really doesn't belong here, ide should
* use REQ_TYPE_SPECIAL and use rq->cmd[0] with the range of driver
* private REQ_LB opcodes to differentiate what type of request this is
*/
REQ_TYPE_ATA_TASKFILE,
REQ_TYPE_ATA_PC,
};
#define BLK_MAX_CDB 16
/*
* try to put the fields that are referenced together in the same cacheline.
* if you modify this structure, be sure to check block/blk-core.c:blk_rq_init()
* as well!
*/
struct request {
struct list_head queuelist;
struct call_single_data csd;
struct blk_queue_ctx *queue_ctx;
unsigned int cmd_flags;
enum rq_cmd_type_bits cmd_type;
unsigned long atomic_flags;
int cpu;
/* the following two fields are internal, NEVER access directly */
unsigned int __data_len; /* total data len */
sector_t __sector; /* sector cursor */
struct bio *bio;
struct bio *biotail;
struct hlist_node hash; /* merge hash */
/*
* The rb_node is only used inside the io scheduler, requests
* are pruned when moved to the dispatch queue. So let the
* completion_data share space with the rb_node.
*/
union {
struct rb_node rb_node; /* sort/lookup */
void *completion_data;
};
/*
* Three pointers are available for the IO schedulers, if they need
* more they have to dynamically allocate it. Flush requests are
* never put on the IO scheduler. So let the flush fields share
* space with the elevator data.
*/
union {
struct {
struct io_cq *icq;
void *priv[2];
} elv;
struct {
unsigned int seq;
struct list_head list;
rq_end_io_fn *saved_end_io;
} flush;
};
struct gendisk *rq_disk;
struct hd_struct *part;
unsigned long start_time;
#ifdef CONFIG_BLK_CGROUP
unsigned long long start_time_ns;
unsigned long long io_start_time_ns; /* when passed to hardware */
#endif
/* Number of scatter-gather DMA addr+len pairs after
* physical address coalescing is performed.
*/
unsigned short nr_phys_segments;
#if defined(CONFIG_BLK_DEV_INTEGRITY)
unsigned short nr_integrity_segments;
#endif
unsigned short ioprio;
int ref_count;
void *special; /* opaque pointer available for LLD use */
char *buffer; /* kaddr of the current segment if available */
int tag;
int errors;
/*
* when request is used as a packet command carrier
*/
unsigned char __cmd[BLK_MAX_CDB];
unsigned char *cmd;
unsigned short cmd_len;
unsigned int extra_len; /* length of alignment and padding */
unsigned int sense_len;
unsigned int resid_len; /* residual count */
void *sense;
unsigned long deadline;
struct list_head timeout_list;
unsigned int timeout;
int retries;
/*
* completion callback.
*/
rq_end_io_fn *end_io;
void *end_io_data;
/* for bidi */
struct request *next_rq;
};
static inline unsigned short req_get_ioprio(struct request *req)
{
return req->ioprio;
}
/*
* State information carried for REQ_TYPE_PM_SUSPEND and REQ_TYPE_PM_RESUME
* requests. Some step values could eventually be made generic.
*/
struct request_pm_state
{
/* PM state machine step value, currently driver specific */
int pm_step;
/* requested PM state value (S1, S2, S3, S4, ...) */
u32 pm_state;
void* data; /* for driver use */
};
#include <linux/elevator.h>
typedef void (request_fn_proc) (struct request_queue *q);
typedef void (make_request_fn) (struct request_queue *q, struct bio *bio);
typedef int (prep_rq_fn) (struct request_queue *, struct request *);
typedef void (unprep_rq_fn) (struct request_queue *, struct request *);
struct bio_vec;
struct bvec_merge_data {
struct block_device *bi_bdev;
sector_t bi_sector;
unsigned bi_size;
unsigned long bi_rw;
};
typedef int (merge_bvec_fn) (struct request_queue *, struct bvec_merge_data *,
struct bio_vec *);
typedef void (softirq_done_fn)(struct request *);
typedef int (dma_drain_needed_fn)(struct request *);
typedef int (lld_busy_fn) (struct request_queue *q);
typedef int (bsg_job_fn) (struct bsg_job *);
enum blk_eh_timer_return {
BLK_EH_NOT_HANDLED,
BLK_EH_HANDLED,
BLK_EH_RESET_TIMER,
};
typedef enum blk_eh_timer_return (rq_timed_out_fn)(struct request *);
enum blk_queue_state {
Queue_down,
Queue_up,
};
struct blk_queue_tag {
struct request **tag_index; /* map of busy tags */
unsigned long *tag_map; /* bit map of free/busy tags */
int busy; /* current depth */
int max_depth; /* what we will send to device */
int real_max_depth; /* what the array can hold */
atomic_t refcnt; /* map can be shared */
};
#define BLK_SCSI_MAX_CMDS (256)
#define BLK_SCSI_CMD_PER_LONG (BLK_SCSI_MAX_CMDS / (sizeof(long) * 8))
struct queue_limits {
unsigned long bounce_pfn;
unsigned long seg_boundary_mask;
unsigned int max_hw_sectors;
unsigned int max_sectors;
unsigned int max_segment_size;
unsigned int physical_block_size;
unsigned int alignment_offset;
unsigned int io_min;
unsigned int io_opt;
unsigned int max_discard_sectors;
unsigned int discard_granularity;
unsigned int discard_alignment;
unsigned short logical_block_size;
unsigned short max_segments;
unsigned short max_integrity_segments;
unsigned char misaligned;
unsigned char discard_misaligned;
unsigned char cluster;
unsigned char discard_zeroes_data;
};
struct request_queue {
/*
* Together with queue_head for cacheline sharing
*/
struct list_head queue_head;
struct elevator_queue *elevator;
struct blk_queue_ctx *queue_ctx;
unsigned int nr_queues;
mempool_t *rq_pool;
request_fn_proc *request_fn;
make_request_fn *make_request_fn;
prep_rq_fn *prep_rq_fn;
unprep_rq_fn *unprep_rq_fn;
merge_bvec_fn *merge_bvec_fn;
softirq_done_fn *softirq_done_fn;
rq_timed_out_fn *rq_timed_out_fn;
dma_drain_needed_fn *dma_drain_needed;
lld_busy_fn *lld_busy_fn;
/*
* Dispatch queue sorting
*/
sector_t end_sector;
struct request *boundary_rq;
/*
* Delayed queue handling
*/
struct delayed_work delay_work;
struct backing_dev_info backing_dev_info;
/*
* The queue owner gets to use this for whatever they like.
* ll_rw_blk doesn't touch it.
*/
void *queuedata;
/*
* various queue flags, see QUEUE_* below
*/
unsigned long queue_flags;
/*
* ida allocated id for this queue. Used to index queues from
* ioctx.
*/
int id;
/*
* queue needs bounce pages for pages above this limit
*/
gfp_t bounce_gfp;
/*
* protects queue structures from reentrancy. ->__queue_lock should
* _never_ be used directly, it is queue private. always use
* ->queue_lock.
*/
spinlock_t __queue_lock;
spinlock_t *queue_lock;
/*
* queue kobject
*/
struct kobject kobj;
/*
* queue settings
*/
unsigned long nr_requests; /* Max # of requests */
unsigned int nr_congestion_on;
unsigned int nr_congestion_off;
unsigned int dma_drain_size;
void *dma_drain_buffer;
unsigned int dma_pad_mask;
unsigned int dma_alignment;
struct blk_queue_tag *queue_tags;
struct list_head tag_busy_list;
unsigned int rq_timeout;
struct timer_list timeout;
struct list_head icq_list;
struct queue_limits limits;
/*
* sg stuff
*/
unsigned int sg_timeout;
unsigned int sg_reserved_size;
int node;
#ifdef CONFIG_BLK_DEV_IO_TRACE
struct blk_trace *blk_trace;
#endif
/*
* for flush operations
*/
unsigned int flush_flags;
unsigned int flush_not_queueable:1;
unsigned int flush_queue_delayed:1;
unsigned int flush_pending_idx:1;
unsigned int flush_running_idx:1;
unsigned long flush_pending_since;
struct list_head flush_queue[2];
struct list_head flush_data_in_flight;
struct request flush_rq;
struct mutex sysfs_lock;
#if defined(CONFIG_BLK_DEV_BSG)
bsg_job_fn *bsg_job_fn;
int bsg_job_size;
struct bsg_class_device bsg_dev;
#endif
#ifdef CONFIG_BLK_DEV_THROTTLING
/* Throttle data */
struct throtl_data *td;
#endif
};
#define QUEUE_FLAG_QUEUED 1 /* uses generic tag queueing */
#define QUEUE_FLAG_STOPPED 2 /* queue is stopped */
#define QUEUE_FLAG_SYNCFULL 3 /* read queue has been filled */
#define QUEUE_FLAG_ASYNCFULL 4 /* write queue has been filled */
#define QUEUE_FLAG_DEAD 5 /* queue being torn down */
#define QUEUE_FLAG_ELVSWITCH 6 /* don't use elevator, just do FIFO */
#define QUEUE_FLAG_BIDI 7 /* queue supports bidi requests */
#define QUEUE_FLAG_NOMERGES 8 /* disable merge attempts */
#define QUEUE_FLAG_SAME_COMP 9 /* complete on same CPU-group */
#define QUEUE_FLAG_FAIL_IO 10 /* fake timeout */
#define QUEUE_FLAG_STACKABLE 11 /* supports request stacking */
#define QUEUE_FLAG_NONROT 12 /* non-rotational device (SSD) */
#define QUEUE_FLAG_VIRT QUEUE_FLAG_NONROT /* paravirt device */
#define QUEUE_FLAG_IO_STAT 13 /* do IO stats */
#define QUEUE_FLAG_DISCARD 14 /* supports DISCARD */
#define QUEUE_FLAG_NOXMERGES 15 /* No extended merges */
#define QUEUE_FLAG_ADD_RANDOM 16 /* Contributes to random pool */
#define QUEUE_FLAG_SECDISCARD 17 /* supports SECDISCARD */
#define QUEUE_FLAG_SAME_FORCE 18 /* force complete on same CPU */
#define QUEUE_FLAG_DEFAULT ((1 << QUEUE_FLAG_IO_STAT) | \
(1 << QUEUE_FLAG_STACKABLE) | \
(1 << QUEUE_FLAG_SAME_COMP) | \
(1 << QUEUE_FLAG_ADD_RANDOM))
static inline void queue_lockdep_assert_held(struct request_queue *q)
{
if (q->queue_lock)
lockdep_assert_held(q->queue_lock);
}
static inline void queue_flag_set_unlocked(unsigned int flag,
struct request_queue *q)
{
__set_bit(flag, &q->queue_flags);
}
static inline int queue_flag_test_and_clear(unsigned int flag,
struct request_queue *q)
{
queue_lockdep_assert_held(q);
if (test_bit(flag, &q->queue_flags)) {
__clear_bit(flag, &q->queue_flags);
return 1;
}
return 0;
}
static inline int queue_flag_test_and_set(unsigned int flag,
struct request_queue *q)
{
queue_lockdep_assert_held(q);
if (!test_bit(flag, &q->queue_flags)) {
__set_bit(flag, &q->queue_flags);
return 0;
}
return 1;
}
static inline void queue_flag_set(unsigned int flag, struct request_queue *q)
{
queue_lockdep_assert_held(q);
__set_bit(flag, &q->queue_flags);
}
static inline void queue_flag_clear_unlocked(unsigned int flag,
struct request_queue *q)
{
__clear_bit(flag, &q->queue_flags);
}
static inline void queue_flag_clear(unsigned int flag, struct request_queue *q)
{
queue_lockdep_assert_held(q);
__clear_bit(flag, &q->queue_flags);
}
#define blk_queue_tagged(q) test_bit(QUEUE_FLAG_QUEUED, &(q)->queue_flags)
#define blk_queue_stopped(q) test_bit(QUEUE_FLAG_STOPPED, &(q)->queue_flags)
#define blk_queue_dead(q) test_bit(QUEUE_FLAG_DEAD, &(q)->queue_flags)
#define blk_queue_nomerges(q) test_bit(QUEUE_FLAG_NOMERGES, &(q)->queue_flags)
#define blk_queue_noxmerges(q) \
test_bit(QUEUE_FLAG_NOXMERGES, &(q)->queue_flags)
#define blk_queue_nonrot(q) test_bit(QUEUE_FLAG_NONROT, &(q)->queue_flags)
#define blk_queue_io_stat(q) test_bit(QUEUE_FLAG_IO_STAT, &(q)->queue_flags)
#define blk_queue_add_random(q) test_bit(QUEUE_FLAG_ADD_RANDOM, &(q)->queue_flags)
#define blk_queue_stackable(q) \
test_bit(QUEUE_FLAG_STACKABLE, &(q)->queue_flags)
#define blk_queue_discard(q) test_bit(QUEUE_FLAG_DISCARD, &(q)->queue_flags)
#define blk_queue_secdiscard(q) (blk_queue_discard(q) && \
test_bit(QUEUE_FLAG_SECDISCARD, &(q)->queue_flags))
#define blk_noretry_request(rq) \
((rq)->cmd_flags & (REQ_FAILFAST_DEV|REQ_FAILFAST_TRANSPORT| \
REQ_FAILFAST_DRIVER))
#define blk_account_rq(rq) \
(((rq)->cmd_flags & REQ_STARTED) && \
((rq)->cmd_type == REQ_TYPE_FS || \
((rq)->cmd_flags & REQ_DISCARD)))
#define blk_pm_request(rq) \
((rq)->cmd_type == REQ_TYPE_PM_SUSPEND || \
(rq)->cmd_type == REQ_TYPE_PM_RESUME)
#define blk_rq_cpu_valid(rq) ((rq)->cpu != -1)
#define blk_bidi_rq(rq) ((rq)->next_rq != NULL)
/* rq->queuelist of dequeued request must be list_empty() */
#define blk_queued_rq(rq) (!list_empty(&(rq)->queuelist))
#define list_entry_rq(ptr) list_entry((ptr), struct request, queuelist)
#define rq_data_dir(rq) ((rq)->cmd_flags & 1)
static inline unsigned int blk_queue_cluster(struct request_queue *q)
{
return q->limits.cluster;
}
/*
* We regard a request as sync, if either a read or a sync write
*/
static inline bool rw_is_sync(unsigned int rw_flags)
{
return !(rw_flags & REQ_WRITE) || (rw_flags & REQ_SYNC);
}
static inline bool rq_is_sync(struct request *rq)
{
return rw_is_sync(rq->cmd_flags);
}
static inline int blk_queue_full(struct request_queue *q, int sync)
{
if (sync)
return test_bit(QUEUE_FLAG_SYNCFULL, &q->queue_flags);
return test_bit(QUEUE_FLAG_ASYNCFULL, &q->queue_flags);
}
static inline void blk_set_queue_full(struct request_queue *q, int sync)
{
if (sync)
queue_flag_set(QUEUE_FLAG_SYNCFULL, q);
else
queue_flag_set(QUEUE_FLAG_ASYNCFULL, q);
}
static inline void blk_clear_queue_full(struct request_queue *q, int sync)
{
if (sync)
queue_flag_clear(QUEUE_FLAG_SYNCFULL, q);
else
queue_flag_clear(QUEUE_FLAG_ASYNCFULL, q);
}
/*
* mergeable request must not have _NOMERGE or _BARRIER bit set, nor may
* it already be started by driver.
*/
#define RQ_NOMERGE_FLAGS \
(REQ_NOMERGE | REQ_STARTED | REQ_SOFTBARRIER | REQ_FLUSH | REQ_FUA)
#define rq_mergeable(rq) \
(!((rq)->cmd_flags & RQ_NOMERGE_FLAGS) && \
(((rq)->cmd_flags & REQ_DISCARD) || \
(rq)->cmd_type == REQ_TYPE_FS))
/*
* q->prep_rq_fn return values
*/
#define BLKPREP_OK 0 /* serve it */
#define BLKPREP_KILL 1 /* fatal error, kill */
#define BLKPREP_DEFER 2 /* leave on queue */
extern unsigned long blk_max_low_pfn, blk_max_pfn;
/*
* standard bounce addresses:
*
* BLK_BOUNCE_HIGH : bounce all highmem pages
* BLK_BOUNCE_ANY : don't bounce anything
* BLK_BOUNCE_ISA : bounce pages above ISA DMA boundary
*/
#if BITS_PER_LONG == 32
#define BLK_BOUNCE_HIGH ((u64)blk_max_low_pfn << PAGE_SHIFT)
#else
#define BLK_BOUNCE_HIGH -1ULL
#endif
#define BLK_BOUNCE_ANY (-1ULL)
#define BLK_BOUNCE_ISA (DMA_BIT_MASK(24))
/*
* default timeout for SG_IO if none specified
*/
#define BLK_DEFAULT_SG_TIMEOUT (60 * HZ)
#define BLK_MIN_SG_TIMEOUT (7 * HZ)
#ifdef CONFIG_BOUNCE
extern int init_emergency_isa_pool(void);
extern void blk_queue_bounce(struct request_queue *q, struct bio **bio);
#else
static inline int init_emergency_isa_pool(void)
{
return 0;
}
static inline void blk_queue_bounce(struct request_queue *q, struct bio **bio)
{
}
#endif /* CONFIG_MMU */
struct rq_map_data {
struct page **pages;
int page_order;
int nr_entries;
unsigned long offset;
int null_mapped;
int from_user;
};
struct req_iterator {
int i;
struct bio *bio;
};
/* This should not be used directly - use rq_for_each_segment */
#define for_each_bio(_bio) \
for (; _bio; _bio = _bio->bi_next)
#define __rq_for_each_bio(_bio, rq) \
if ((rq->bio)) \
for (_bio = (rq)->bio; _bio; _bio = _bio->bi_next)
#define rq_for_each_segment(bvl, _rq, _iter) \
__rq_for_each_bio(_iter.bio, _rq) \
bio_for_each_segment(bvl, _iter.bio, _iter.i)
#define rq_iter_last(rq, _iter) \
(_iter.bio->bi_next == NULL && _iter.i == _iter.bio->bi_vcnt-1)
#ifndef ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE
# error "You should define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE for your platform"
#endif
#if ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE
extern void rq_flush_dcache_pages(struct request *rq);
#else
static inline void rq_flush_dcache_pages(struct request *rq)
{
}
#endif
extern int blk_register_queue(struct gendisk *disk);
extern void blk_unregister_queue(struct gendisk *disk);
extern void generic_make_request(struct bio *bio);
extern void blk_rq_init(struct blk_queue_ctx *ctx, struct request *rq);
extern void blk_put_request(struct request *);
extern void __blk_put_request(struct request *);
extern struct request *blk_get_request(struct request_queue *, int, gfp_t);
extern struct request *blk_make_request(struct request_queue *, struct bio *,
gfp_t);
extern void blk_requeue_request(struct request_queue *, struct request *);
extern void blk_add_request_payload(struct request *rq, struct page *page,
unsigned int len);
extern int blk_rq_check_limits(struct request_queue *q, struct request *rq);
extern int blk_lld_busy(struct request_queue *q);
extern int blk_rq_prep_clone(struct request *rq, struct request *rq_src,
struct bio_set *bs, gfp_t gfp_mask,
int (*bio_ctr)(struct bio *, struct bio *, void *),
void *data);
extern void blk_rq_unprep_clone(struct request *rq);
extern int blk_insert_cloned_request(struct request_queue *q,
struct request *rq);
extern void blk_delay_queue(struct request_queue *, unsigned long);
extern void blk_recount_segments(struct request_queue *, struct bio *);
extern int scsi_verify_blk_ioctl(struct block_device *, unsigned int);
extern int scsi_cmd_blk_ioctl(struct block_device *, fmode_t,
unsigned int, void __user *);
extern int scsi_cmd_ioctl(struct request_queue *, struct gendisk *, fmode_t,
unsigned int, void __user *);
extern int sg_scsi_ioctl(struct request_queue *, struct gendisk *, fmode_t,
struct scsi_ioctl_command __user *);
extern void blk_queue_bio(struct request_queue *q, struct bio *bio);
/*
* A queue has just exitted congestion. Note this in the global counter of
* congested queues, and wake up anyone who was waiting for requests to be
* put back.
*/
static inline void blk_clear_queue_congested(struct request_queue *q, int sync)
{
clear_bdi_congested(&q->backing_dev_info, sync);
}
/*
* A queue has just entered congestion. Flag that in the queue's VM-visible
* state flags and increment the global gounter of congested queues.
*/
static inline void blk_set_queue_congested(struct request_queue *q, int sync)
{
set_bdi_congested(&q->backing_dev_info, sync);
}
extern void blk_start_queue(struct request_queue *q);
extern void blk_stop_queue(struct request_queue *q);
extern void blk_sync_queue(struct request_queue *q);
extern void __blk_stop_queue(struct request_queue *q);
extern void __blk_run_queue(struct request_queue *q);
extern void blk_run_queue(struct request_queue *);
extern void blk_run_queue_async(struct request_queue *q);
extern int blk_rq_map_user(struct request_queue *, struct request *,
struct rq_map_data *, void __user *, unsigned long,
gfp_t);
extern int blk_rq_unmap_user(struct bio *);
extern int blk_rq_map_kern(struct request_queue *, struct request *, void *, unsigned int, gfp_t);
extern int blk_rq_map_user_iov(struct request_queue *, struct request *,
struct rq_map_data *, struct sg_iovec *, int,
unsigned int, gfp_t);
extern int blk_execute_rq(struct request_queue *, struct gendisk *,
struct request *, int);
extern void blk_execute_rq_nowait(struct request_queue *, struct gendisk *,
struct request *, int, rq_end_io_fn *);
static inline struct request_queue *bdev_get_queue(struct block_device *bdev)
{
return bdev->bd_disk->queue;
}
/*
* blk_rq_pos() : the current sector
* blk_rq_bytes() : bytes left in the entire request
* blk_rq_cur_bytes() : bytes left in the current segment
* blk_rq_err_bytes() : bytes left till the next error boundary
* blk_rq_sectors() : sectors left in the entire request
* blk_rq_cur_sectors() : sectors left in the current segment
*/
static inline sector_t blk_rq_pos(const struct request *rq)
{
return rq->__sector;
}
static inline unsigned int blk_rq_bytes(const struct request *rq)
{
return rq->__data_len;
}
static inline int blk_rq_cur_bytes(const struct request *rq)
{
return rq->bio ? bio_cur_bytes(rq->bio) : 0;
}
extern unsigned int blk_rq_err_bytes(const struct request *rq);
static inline unsigned int blk_rq_sectors(const struct request *rq)
{
return blk_rq_bytes(rq) >> 9;
}
static inline unsigned int blk_rq_cur_sectors(const struct request *rq)
{
return blk_rq_cur_bytes(rq) >> 9;
}
/*
* Request issue related functions.
*/
extern struct request *blk_peek_request(struct request_queue *q);
extern void blk_start_request(struct request *rq);
extern struct request *blk_fetch_request(struct request_queue *q);
/*
* Request completion related functions.
*
* blk_update_request() completes given number of bytes and updates
* the request without completing it.
*
* blk_end_request() and friends. __blk_end_request() must be called
* with the request queue spinlock acquired.
*
* Several drivers define their own end_request and call
* blk_end_request() for parts of the original function.
* This prevents code duplication in drivers.
*/
extern bool blk_update_request(struct request *rq, int error,
unsigned int nr_bytes);
extern bool blk_end_request(struct request *rq, int error,
unsigned int nr_bytes);
extern void blk_end_request_all(struct request *rq, int error);
extern bool blk_end_request_cur(struct request *rq, int error);
extern bool blk_end_request_err(struct request *rq, int error);
extern bool __blk_end_request(struct request *rq, int error,
unsigned int nr_bytes);
extern void __blk_end_request_all(struct request *rq, int error);
extern bool __blk_end_request_cur(struct request *rq, int error);
extern bool __blk_end_request_err(struct request *rq, int error);
extern void blk_complete_request(struct request *);
extern void __blk_complete_request(struct request *);
extern void blk_abort_request(struct request *);
extern void blk_abort_queue(struct request_queue *);
extern void blk_unprep_request(struct request *);
/*
* Access functions for manipulating queue properties
*/
extern struct request_queue *blk_init_queue_node(request_fn_proc *rfn,
spinlock_t *lock, int node_id,
unsigned int nr_queues);
extern struct request_queue *blk_init_queue(request_fn_proc *, spinlock_t *);
extern struct request_queue *blk_init_allocated_queue(struct request_queue *,
request_fn_proc *, spinlock_t *);
extern void blk_cleanup_queue(struct request_queue *);
extern void blk_queue_make_request(struct request_queue *, make_request_fn *);
extern void blk_queue_bounce_limit(struct request_queue *, u64);
extern void blk_limits_max_hw_sectors(struct queue_limits *, unsigned int);
extern void blk_queue_max_hw_sectors(struct request_queue *, unsigned int);
extern void blk_queue_max_segments(struct request_queue *, unsigned short);
extern void blk_queue_max_segment_size(struct request_queue *, unsigned int);
extern void blk_queue_max_discard_sectors(struct request_queue *q,
unsigned int max_discard_sectors);
extern void blk_queue_logical_block_size(struct request_queue *, unsigned short);
extern void blk_queue_physical_block_size(struct request_queue *, unsigned int);
extern void blk_queue_alignment_offset(struct request_queue *q,
unsigned int alignment);
extern void blk_limits_io_min(struct queue_limits *limits, unsigned int min);
extern void blk_queue_io_min(struct request_queue *q, unsigned int min);
extern void blk_limits_io_opt(struct queue_limits *limits, unsigned int opt);
extern void blk_queue_io_opt(struct request_queue *q, unsigned int opt);
extern void blk_set_default_limits(struct queue_limits *lim);
extern void blk_set_stacking_limits(struct queue_limits *lim);
extern int blk_stack_limits(struct queue_limits *t, struct queue_limits *b,
sector_t offset);
extern int bdev_stack_limits(struct queue_limits *t, struct block_device *bdev,
sector_t offset);
extern void disk_stack_limits(struct gendisk *disk, struct block_device *bdev,
sector_t offset);
extern void blk_queue_stack_limits(struct request_queue *t, struct request_queue *b);
extern void blk_queue_dma_pad(struct request_queue *, unsigned int);
extern void blk_queue_update_dma_pad(struct request_queue *, unsigned int);
extern int blk_queue_dma_drain(struct request_queue *q,
dma_drain_needed_fn *dma_drain_needed,
void *buf, unsigned int size);
extern void blk_queue_lld_busy(struct request_queue *q, lld_busy_fn *fn);
extern void blk_queue_segment_boundary(struct request_queue *, unsigned long);
extern void blk_queue_prep_rq(struct request_queue *, prep_rq_fn *pfn);
extern void blk_queue_unprep_rq(struct request_queue *, unprep_rq_fn *ufn);
extern void blk_queue_merge_bvec(struct request_queue *, merge_bvec_fn *);
extern void blk_queue_dma_alignment(struct request_queue *, int);
extern void blk_queue_update_dma_alignment(struct request_queue *, int);
extern void blk_queue_softirq_done(struct request_queue *, softirq_done_fn *);
extern void blk_queue_rq_timed_out(struct request_queue *, rq_timed_out_fn *);
extern void blk_queue_rq_timeout(struct request_queue *, unsigned int);
extern void blk_queue_flush(struct request_queue *q, unsigned int flush);
extern void blk_queue_flush_queueable(struct request_queue *q, bool queueable);
extern struct backing_dev_info *blk_get_backing_dev_info(struct block_device *bdev);
extern int blk_rq_map_sg(struct request *, struct scatterlist *);
extern void blk_dump_rq_flags(struct request *, char *);
extern long nr_blockdev_pages(void);
bool __must_check blk_get_queue(struct request_queue *);
struct request_queue *blk_alloc_queue(gfp_t);
struct request_queue *blk_alloc_queue_node(gfp_t, int, unsigned int);
extern void blk_put_queue(struct request_queue *);
/*
* blk_plug permits building a queue of related requests by holding the I/O
* fragments for a short period. This allows merging of sequential requests
* into single larger request. As the requests are moved from a per-task list to
* the device's request_queue in a batch, this results in improved scalability
* as the lock contention for request_queue lock is reduced.
*
* It is ok not to disable preemption when adding the request to the plug list
* or when attempting a merge, because blk_schedule_flush_list() will only flush
* the plug list when the task sleeps by itself. For details, please see
* schedule() where blk_schedule_flush_plug() is called.
*/
struct blk_plug {
unsigned long magic; /* detect uninitialized use-cases */
struct list_head list; /* requests */
struct list_head cb_list; /* md requires an unplug callback */
unsigned int should_sort; /* list to be sorted before flushing? */
};
#define BLK_MAX_REQUEST_COUNT 16
struct blk_plug_cb {
struct list_head list;
void (*callback)(struct blk_plug_cb *);
};
extern void blk_start_plug(struct blk_plug *);
extern void blk_finish_plug(struct blk_plug *);
extern void blk_flush_plug_list(struct blk_plug *, bool);
static inline void blk_flush_plug(struct task_struct *tsk)
{
struct blk_plug *plug = tsk->plug;
if (plug)
blk_flush_plug_list(plug, false);
}
static inline void blk_schedule_flush_plug(struct task_struct *tsk)
{
struct blk_plug *plug = tsk->plug;
if (plug)
blk_flush_plug_list(plug, true);
}
static inline bool blk_needs_flush_plug(struct task_struct *tsk)
{
struct blk_plug *plug = tsk->plug;
return plug && (!list_empty(&plug->list) || !list_empty(&plug->cb_list));
}
/*
* tag stuff
*/
#define blk_rq_tagged(rq) ((rq)->cmd_flags & REQ_QUEUED)
extern int blk_queue_start_tag(struct request_queue *, struct request *);
extern struct request *blk_queue_find_tag(struct request_queue *, int);
extern void blk_queue_end_tag(struct request_queue *, struct request *);
extern int blk_queue_init_tags(struct request_queue *, int, struct blk_queue_tag *);
extern void blk_queue_free_tags(struct request_queue *);
extern int blk_queue_resize_tags(struct request_queue *, int);
extern void blk_queue_invalidate_tags(struct request_queue *);
extern struct blk_queue_tag *blk_init_tags(int);
extern void blk_free_tags(struct blk_queue_tag *);
static inline struct request *blk_map_queue_find_tag(struct blk_queue_tag *bqt,
int tag)
{
if (unlikely(bqt == NULL || tag >= bqt->real_max_depth))
return NULL;
return bqt->tag_index[tag];
}
#define BLKDEV_DISCARD_SECURE 0x01 /* secure discard */
extern int blkdev_issue_flush(struct block_device *, gfp_t, sector_t *);
extern int blkdev_issue_discard(struct block_device *bdev, sector_t sector,
sector_t nr_sects, gfp_t gfp_mask, unsigned long flags);
extern int blkdev_issue_zeroout(struct block_device *bdev, sector_t sector,
sector_t nr_sects, gfp_t gfp_mask);
static inline int sb_issue_discard(struct super_block *sb, sector_t block,
sector_t nr_blocks, gfp_t gfp_mask, unsigned long flags)
{
return blkdev_issue_discard(sb->s_bdev, block << (sb->s_blocksize_bits - 9),
nr_blocks << (sb->s_blocksize_bits - 9),
gfp_mask, flags);
}
static inline int sb_issue_zeroout(struct super_block *sb, sector_t block,
sector_t nr_blocks, gfp_t gfp_mask)
{
return blkdev_issue_zeroout(sb->s_bdev,
block << (sb->s_blocksize_bits - 9),
nr_blocks << (sb->s_blocksize_bits - 9),
gfp_mask);
}
extern int blk_verify_command(unsigned char *cmd, fmode_t has_write_perm);
enum blk_default_limits {
BLK_MAX_SEGMENTS = 128,
BLK_SAFE_MAX_SECTORS = 255,
BLK_DEF_MAX_SECTORS = 1024,
BLK_MAX_SEGMENT_SIZE = 65536,
BLK_SEG_BOUNDARY_MASK = 0xFFFFFFFFUL,
};
#define blkdev_entry_to_request(entry) list_entry((entry), struct request, queuelist)
static inline unsigned long queue_bounce_pfn(struct request_queue *q)
{
return q->limits.bounce_pfn;
}
static inline unsigned long queue_segment_boundary(struct request_queue *q)
{
return q->limits.seg_boundary_mask;
}
static inline unsigned int queue_max_sectors(struct request_queue *q)
{
return q->limits.max_sectors;
}
static inline unsigned int queue_max_hw_sectors(struct request_queue *q)
{
return q->limits.max_hw_sectors;
}
static inline unsigned short queue_max_segments(struct request_queue *q)
{
return q->limits.max_segments;
}
static inline unsigned int queue_max_segment_size(struct request_queue *q)
{
return q->limits.max_segment_size;
}
static inline unsigned short queue_logical_block_size(struct request_queue *q)
{
int retval = 512;
if (q && q->limits.logical_block_size)
retval = q->limits.logical_block_size;
return retval;
}
static inline unsigned short bdev_logical_block_size(struct block_device *bdev)
{
return queue_logical_block_size(bdev_get_queue(bdev));
}
static inline unsigned int queue_physical_block_size(struct request_queue *q)
{
return q->limits.physical_block_size;
}
static inline unsigned int bdev_physical_block_size(struct block_device *bdev)
{
return queue_physical_block_size(bdev_get_queue(bdev));
}
static inline unsigned int queue_io_min(struct request_queue *q)
{
return q->limits.io_min;
}
static inline int bdev_io_min(struct block_device *bdev)
{
return queue_io_min(bdev_get_queue(bdev));
}
static inline unsigned int queue_io_opt(struct request_queue *q)
{
return q->limits.io_opt;
}
static inline int bdev_io_opt(struct block_device *bdev)
{
return queue_io_opt(bdev_get_queue(bdev));
}
static inline int queue_alignment_offset(struct request_queue *q)
{
if (q->limits.misaligned)
return -1;
return q->limits.alignment_offset;
}
static inline int queue_limit_alignment_offset(struct queue_limits *lim, sector_t sector)
{
unsigned int granularity = max(lim->physical_block_size, lim->io_min);
unsigned int alignment = (sector << 9) & (granularity - 1);
return (granularity + lim->alignment_offset - alignment)
& (granularity - 1);
}
static inline int bdev_alignment_offset(struct block_device *bdev)
{
struct request_queue *q = bdev_get_queue(bdev);
if (q->limits.misaligned)
return -1;
if (bdev != bdev->bd_contains)
return bdev->bd_part->alignment_offset;
return q->limits.alignment_offset;
}
static inline int queue_discard_alignment(struct request_queue *q)
{
if (q->limits.discard_misaligned)
return -1;
return q->limits.discard_alignment;
}
static inline int queue_limit_discard_alignment(struct queue_limits *lim, sector_t sector)
{
unsigned int alignment = (sector << 9) & (lim->discard_granularity - 1);
if (!lim->max_discard_sectors)
return 0;
return (lim->discard_granularity + lim->discard_alignment - alignment)
& (lim->discard_granularity - 1);
}
static inline unsigned int queue_discard_zeroes_data(struct request_queue *q)
{
if (q->limits.max_discard_sectors && q->limits.discard_zeroes_data == 1)
return 1;
return 0;
}
static inline unsigned int bdev_discard_zeroes_data(struct block_device *bdev)
{
return queue_discard_zeroes_data(bdev_get_queue(bdev));
}
static inline int queue_dma_alignment(struct request_queue *q)
{
return q ? q->dma_alignment : 511;
}
static inline int blk_rq_aligned(struct request_queue *q, unsigned long addr,
unsigned int len)
{
unsigned int alignment = queue_dma_alignment(q) | q->dma_pad_mask;
return !(addr & alignment) && !(len & alignment);
}
/* assumes size > 256 */
static inline unsigned int blksize_bits(unsigned int size)
{
unsigned int bits = 8;
do {
bits++;
size >>= 1;
} while (size > 256);
return bits;
}
static inline unsigned int block_size(struct block_device *bdev)
{
return bdev->bd_block_size;
}
static inline bool queue_flush_queueable(struct request_queue *q)
{
return !q->flush_not_queueable;
}
typedef struct {struct page *v;} Sector;
unsigned char *read_dev_sector(struct block_device *, sector_t, Sector *);
static inline void put_dev_sector(Sector p)
{
page_cache_release(p.v);
}
struct work_struct;
int kblockd_schedule_work(struct request_queue *q, struct work_struct *work);
#ifdef CONFIG_BLK_CGROUP
/*
* This should not be using sched_clock(). A real patch is in progress
* to fix this up, until that is in place we need to disable preemption
* around sched_clock() in this function and set_io_start_time_ns().
*/
static inline void set_start_time_ns(struct request *req)
{
preempt_disable();
req->start_time_ns = sched_clock();
preempt_enable();
}
static inline void set_io_start_time_ns(struct request *req)
{
preempt_disable();
req->io_start_time_ns = sched_clock();
preempt_enable();
}
static inline uint64_t rq_start_time_ns(struct request *req)
{
return req->start_time_ns;
}
static inline uint64_t rq_io_start_time_ns(struct request *req)
{
return req->io_start_time_ns;
}
#else
static inline void set_start_time_ns(struct request *req) {}
static inline void set_io_start_time_ns(struct request *req) {}
static inline uint64_t rq_start_time_ns(struct request *req)
{
return 0;
}
static inline uint64_t rq_io_start_time_ns(struct request *req)
{
return 0;
}
#endif
#define MODULE_ALIAS_BLOCKDEV(major,minor) \
MODULE_ALIAS("block-major-" __stringify(major) "-" __stringify(minor))
#define MODULE_ALIAS_BLOCKDEV_MAJOR(major) \
MODULE_ALIAS("block-major-" __stringify(major) "-*")
#if defined(CONFIG_BLK_DEV_INTEGRITY)
#define INTEGRITY_FLAG_READ 2 /* verify data integrity on read */
#define INTEGRITY_FLAG_WRITE 4 /* generate data integrity on write */
struct blk_integrity_exchg {
void *prot_buf;
void *data_buf;
sector_t sector;
unsigned int data_size;
unsigned short sector_size;
const char *disk_name;
};
typedef void (integrity_gen_fn) (struct blk_integrity_exchg *);
typedef int (integrity_vrfy_fn) (struct blk_integrity_exchg *);
typedef void (integrity_set_tag_fn) (void *, void *, unsigned int);
typedef void (integrity_get_tag_fn) (void *, void *, unsigned int);
struct blk_integrity {
integrity_gen_fn *generate_fn;
integrity_vrfy_fn *verify_fn;
integrity_set_tag_fn *set_tag_fn;
integrity_get_tag_fn *get_tag_fn;
unsigned short flags;
unsigned short tuple_size;
unsigned short sector_size;
unsigned short tag_size;
const char *name;
struct kobject kobj;
};
extern bool blk_integrity_is_initialized(struct gendisk *);
extern int blk_integrity_register(struct gendisk *, struct blk_integrity *);
extern void blk_integrity_unregister(struct gendisk *);
extern int blk_integrity_compare(struct gendisk *, struct gendisk *);
extern int blk_rq_map_integrity_sg(struct request_queue *, struct bio *,
struct scatterlist *);
extern int blk_rq_count_integrity_sg(struct request_queue *, struct bio *);
extern int blk_integrity_merge_rq(struct request_queue *, struct request *,
struct request *);
extern int blk_integrity_merge_bio(struct request_queue *, struct request *,
struct bio *);
static inline
struct blk_integrity *bdev_get_integrity(struct block_device *bdev)
{
return bdev->bd_disk->integrity;
}
static inline struct blk_integrity *blk_get_integrity(struct gendisk *disk)
{
return disk->integrity;
}
static inline int blk_integrity_rq(struct request *rq)
{
if (rq->bio == NULL)
return 0;
return bio_integrity(rq->bio);
}
static inline void blk_queue_max_integrity_segments(struct request_queue *q,
unsigned int segs)
{
q->limits.max_integrity_segments = segs;
}
static inline unsigned short
queue_max_integrity_segments(struct request_queue *q)
{
return q->limits.max_integrity_segments;
}
#else /* CONFIG_BLK_DEV_INTEGRITY */
struct bio;
struct block_device;
struct gendisk;
struct blk_integrity;
static inline int blk_integrity_rq(struct request *rq)
{
return 0;
}
static inline int blk_rq_count_integrity_sg(struct request_queue *q,
struct bio *b)
{
return 0;
}
static inline int blk_rq_map_integrity_sg(struct request_queue *q,
struct bio *b,
struct scatterlist *s)
{
return 0;
}
static inline struct blk_integrity *bdev_get_integrity(struct block_device *b)
{
return 0;
}
static inline struct blk_integrity *blk_get_integrity(struct gendisk *disk)
{
return NULL;
}
static inline int blk_integrity_compare(struct gendisk *a, struct gendisk *b)
{
return 0;
}
static inline int blk_integrity_register(struct gendisk *d,
struct blk_integrity *b)
{
return 0;
}
static inline void blk_integrity_unregister(struct gendisk *d)
{
}
static inline void blk_queue_max_integrity_segments(struct request_queue *q,
unsigned int segs)
{
}
static inline unsigned short queue_max_integrity_segments(struct request_queue *q)
{
return 0;
}
static inline int blk_integrity_merge_rq(struct request_queue *rq,
struct request *r1,
struct request *r2)
{
return 0;
}
static inline int blk_integrity_merge_bio(struct request_queue *rq,
struct request *r,
struct bio *b)
{
return 0;
}
static inline bool blk_integrity_is_initialized(struct gendisk *g)
{
return 0;
}
#endif /* CONFIG_BLK_DEV_INTEGRITY */
struct block_device_operations {
int (*open) (struct block_device *, fmode_t);
int (*release) (struct gendisk *, fmode_t);
int (*ioctl) (struct block_device *, fmode_t, unsigned, unsigned long);
int (*compat_ioctl) (struct block_device *, fmode_t, unsigned, unsigned long);
int (*direct_access) (struct block_device *, sector_t,
void **, unsigned long *);
unsigned int (*check_events) (struct gendisk *disk,
unsigned int clearing);
/* ->media_changed() is DEPRECATED, use ->check_events() instead */
int (*media_changed) (struct gendisk *);
void (*unlock_native_capacity) (struct gendisk *);
int (*revalidate_disk) (struct gendisk *);
int (*getgeo)(struct block_device *, struct hd_geometry *);
/* this callback is with swap_lock and sometimes page table lock held */
void (*swap_slot_free_notify) (struct block_device *, unsigned long);
struct module *owner;
};
extern int __blkdev_driver_ioctl(struct block_device *, fmode_t, unsigned int,
unsigned long);
#else /* CONFIG_BLOCK */
/*
* stubs for when the block layer is configured out
*/
#define buffer_heads_over_limit 0
static inline long nr_blockdev_pages(void)
{
return 0;
}
struct blk_plug {
};
static inline void blk_start_plug(struct blk_plug *plug)
{
}
static inline void blk_finish_plug(struct blk_plug *plug)
{
}
static inline void blk_flush_plug(struct task_struct *task)
{
}
static inline void blk_schedule_flush_plug(struct task_struct *task)
{
}
static inline bool blk_needs_flush_plug(struct task_struct *tsk)
{
return false;
}
#endif /* CONFIG_BLOCK */
#endif
[-- Attachment #6: elevator.h --]
[-- Type: text/x-chdr, Size: 6984 bytes --]
#ifndef _LINUX_ELEVATOR_H
#define _LINUX_ELEVATOR_H
#include <linux/percpu.h>
#ifdef CONFIG_BLOCK
struct io_cq;
struct blk_queue_ctx;
typedef int (elevator_merge_fn) (struct blk_queue_ctx *, struct request **,
struct bio *);
typedef void (elevator_merge_req_fn) (struct blk_queue_ctx *, struct request *, struct request *);
typedef void (elevator_merged_fn) (struct blk_queue_ctx *, struct request *, int);
typedef int (elevator_allow_merge_fn) (struct blk_queue_ctx *, struct request *, struct bio *);
typedef void (elevator_bio_merged_fn) (struct blk_queue_ctx *,
struct request *, struct bio *);
typedef int (elevator_dispatch_fn) (struct request_queue *, int);
typedef void (elevator_add_req_fn) (struct blk_queue_ctx *, struct request *);
typedef struct request *(elevator_request_list_fn) (struct blk_queue_ctx *, struct request *);
typedef void (elevator_completed_req_fn) (struct blk_queue_ctx *, struct request *);
typedef int (elevator_may_queue_fn) (struct request_queue *, int);
typedef void (elevator_init_icq_fn) (struct io_cq *);
typedef void (elevator_exit_icq_fn) (struct io_cq *);
typedef int (elevator_set_req_fn) (struct blk_queue_ctx *, struct request *, gfp_t);
typedef void (elevator_put_req_fn) (struct request *);
typedef void (elevator_activate_req_fn) (struct request_queue *, struct request *);
typedef void (elevator_deactivate_req_fn) (struct request_queue *, struct request *);
typedef int (elevator_init_fn) (struct request_queue *, unsigned int);
typedef void (elevator_exit_fn) (struct request_queue *, struct elevator_queue *);
struct elevator_ops
{
elevator_merge_fn *elevator_merge_fn;
elevator_merged_fn *elevator_merged_fn;
elevator_merge_req_fn *elevator_merge_req_fn;
elevator_allow_merge_fn *elevator_allow_merge_fn;
elevator_bio_merged_fn *elevator_bio_merged_fn;
elevator_dispatch_fn *elevator_dispatch_fn;
elevator_add_req_fn *elevator_add_req_fn;
elevator_activate_req_fn *elevator_activate_req_fn;
elevator_deactivate_req_fn *elevator_deactivate_req_fn;
elevator_completed_req_fn *elevator_completed_req_fn;
elevator_request_list_fn *elevator_former_req_fn;
elevator_request_list_fn *elevator_latter_req_fn;
elevator_init_icq_fn *elevator_init_icq_fn; /* see iocontext.h */
elevator_exit_icq_fn *elevator_exit_icq_fn; /* ditto */
elevator_set_req_fn *elevator_set_req_fn;
elevator_put_req_fn *elevator_put_req_fn;
elevator_may_queue_fn *elevator_may_queue_fn;
elevator_init_fn *elevator_init_fn;
elevator_exit_fn *elevator_exit_fn;
};
#define ELV_NAME_MAX (16)
struct elv_fs_entry {
struct attribute attr;
ssize_t (*show)(struct elevator_queue *, char *);
ssize_t (*store)(struct elevator_queue *, const char *, size_t);
};
/*
* identifies an elevator type, such as AS or deadline
*/
struct elevator_type
{
/* managed by elevator core */
struct kmem_cache *icq_cache;
/* fields provided by elevator implementation */
struct elevator_ops ops;
size_t icq_size; /* see iocontext.h */
size_t icq_align; /* ditto */
struct elv_fs_entry *elevator_attrs;
char elevator_name[ELV_NAME_MAX];
struct module *elevator_owner;
/* managed by elevator core */
char icq_cache_name[ELV_NAME_MAX + 5]; /* elvname + "_io_cq" */
struct list_head list;
};
/*
* each queue has an elevator_queue associated with it
*/
struct elevator_queue
{
struct elevator_type *type;
struct kobject kobj;
struct mutex sysfs_lock;
unsigned int registered:1;
};
/*
* block elevator interface
*/
extern void elv_dispatch_sort(struct request_queue *, struct blk_queue_ctx *, struct request *);
extern void elv_dispatch_add_tail(struct request_queue *, struct blk_queue_ctx *, struct request *);
extern void elv_add_request(struct request *, int);
extern void __elv_add_request(struct request *, int);
extern void elv_insert(struct request *, int);
extern int elv_merge(struct blk_queue_ctx *, struct request **, struct bio *);
extern void elv_merge_requests(struct blk_queue_ctx *, struct request *,
struct request *);
extern void elv_merged_request(struct blk_queue_ctx *, struct request *, int);
extern void elv_bio_merged(struct blk_queue_ctx *q, struct request *,
struct bio *);
extern void elv_requeue_request(struct request_queue *, struct request *);
extern struct request *elv_former_request(struct blk_queue_ctx *, struct request *);
extern struct request *elv_latter_request(struct blk_queue_ctx *, struct request *);
extern int elv_register_queue(struct request_queue *q);
extern void elv_unregister_queue(struct request_queue *q);
extern int elv_may_queue(struct request_queue *, int);
extern void elv_abort_queue(struct request_queue *);
extern void elv_completed_request(struct request *);
extern int elv_set_request(struct blk_queue_ctx *, struct request *, gfp_t);
extern void elv_put_request(struct blk_queue_ctx *, struct request *);
extern void elv_drain_elevator(struct request_queue *);
/*
* io scheduler registration
*/
extern int elv_register(struct elevator_type *);
extern void elv_unregister(struct elevator_type *);
/*
* io scheduler sysfs switching
*/
extern ssize_t elv_iosched_show(struct request_queue *, char *);
extern ssize_t elv_iosched_store(struct request_queue *, const char *, size_t);
extern int elevator_init(struct request_queue *, char *);
extern void elevator_exit(struct request_queue *, struct elevator_queue *);
extern int elevator_change(struct request_queue *, const char *);
extern bool elv_rq_merge_ok(struct request *, struct bio *);
/*
* Helper functions.
*/
extern struct request *elv_rb_former_request(struct request *);
extern struct request *elv_rb_latter_request(struct request *);
/*
* rb support functions.
*/
extern void elv_rb_add(struct rb_root *, struct request *);
extern void elv_rb_del(struct rb_root *, struct request *);
extern struct request *elv_rb_find(struct rb_root *, sector_t);
/*
* Return values from elevator merger
*/
#define ELEVATOR_NO_MERGE 0
#define ELEVATOR_FRONT_MERGE 1
#define ELEVATOR_BACK_MERGE 2
/*
* Insertion selection
*/
#define ELEVATOR_INSERT_FRONT 1
#define ELEVATOR_INSERT_BACK 2
#define ELEVATOR_INSERT_SORT 3
#define ELEVATOR_INSERT_REQUEUE 4
#define ELEVATOR_INSERT_FLUSH 5
#define ELEVATOR_INSERT_SORT_MERGE 6
/*
* return values from elevator_may_queue_fn
*/
enum {
ELV_MQUEUE_MAY,
ELV_MQUEUE_NO,
ELV_MQUEUE_MUST,
};
#define rq_end_sector(rq) (blk_rq_pos(rq) + blk_rq_sectors(rq))
#define rb_entry_rq(node) rb_entry((node), struct request, rb_node)
/*
* Hack to reuse the csd.list list_head as the fifo time holder while
* the request is in the io scheduler. Saves an unsigned long in rq.
*/
#define rq_fifo_time(rq) ((unsigned long) (rq)->csd.list.next)
#define rq_set_fifo_time(rq,exp) ((rq)->csd.list.next = (void *) (exp))
#define rq_entry_fifo(ptr) list_entry((ptr), struct request, queuelist)
#define rq_fifo_clear(rq) do { \
list_del_init(&(rq)->queuelist); \
INIT_LIST_HEAD(&(rq)->csd.list); \
} while (0)
#endif /* CONFIG_BLOCK */
#endif
[-- Attachment #7: .config --]
[-- Type: text/plain, Size: 150431 bytes --]
#
# Automatically generated file; DO NOT EDIT.
# Linux/i386 3.4.0-rc3 Kernel Configuration
#
# CONFIG_64BIT is not set
CONFIG_X86_32=y
# CONFIG_X86_64 is not set
CONFIG_X86=y
CONFIG_INSTRUCTION_DECODER=y
CONFIG_OUTPUT_FORMAT="elf32-i386"
CONFIG_ARCH_DEFCONFIG="arch/x86/configs/i386_defconfig"
CONFIG_GENERIC_CMOS_UPDATE=y
CONFIG_CLOCKSOURCE_WATCHDOG=y
CONFIG_GENERIC_CLOCKEVENTS=y
CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y
CONFIG_LOCKDEP_SUPPORT=y
CONFIG_STACKTRACE_SUPPORT=y
CONFIG_HAVE_LATENCYTOP_SUPPORT=y
CONFIG_MMU=y
CONFIG_NEED_DMA_MAP_STATE=y
CONFIG_NEED_SG_DMA_LENGTH=y
CONFIG_GENERIC_ISA_DMA=y
CONFIG_GENERIC_BUG=y
CONFIG_GENERIC_HWEIGHT=y
CONFIG_GENERIC_GPIO=y
CONFIG_ARCH_MAY_HAVE_PC_FDC=y
# CONFIG_RWSEM_GENERIC_SPINLOCK is not set
CONFIG_RWSEM_XCHGADD_ALGORITHM=y
CONFIG_ARCH_HAS_CPU_IDLE_WAIT=y
CONFIG_GENERIC_CALIBRATE_DELAY=y
# CONFIG_GENERIC_TIME_VSYSCALL is not set
CONFIG_ARCH_HAS_CPU_RELAX=y
CONFIG_ARCH_HAS_DEFAULT_IDLE=y
CONFIG_ARCH_HAS_CACHE_LINE_SIZE=y
CONFIG_ARCH_HAS_CPU_AUTOPROBE=y
CONFIG_HAVE_SETUP_PER_CPU_AREA=y
CONFIG_NEED_PER_CPU_EMBED_FIRST_CHUNK=y
CONFIG_NEED_PER_CPU_PAGE_FIRST_CHUNK=y
CONFIG_ARCH_HIBERNATION_POSSIBLE=y
CONFIG_ARCH_SUSPEND_POSSIBLE=y
# CONFIG_ZONE_DMA32 is not set
# CONFIG_AUDIT_ARCH is not set
CONFIG_ARCH_SUPPORTS_OPTIMIZED_INLINING=y
CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y
CONFIG_HAVE_INTEL_TXT=y
CONFIG_X86_32_SMP=y
CONFIG_X86_HT=y
CONFIG_ARCH_HWEIGHT_CFLAGS="-fcall-saved-ecx -fcall-saved-edx"
CONFIG_KTIME_SCALAR=y
CONFIG_ARCH_CPU_PROBE_RELEASE=y
CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
CONFIG_CONSTRUCTORS=y
CONFIG_HAVE_IRQ_WORK=y
CONFIG_IRQ_WORK=y
#
# General setup
#
CONFIG_EXPERIMENTAL=y
CONFIG_INIT_ENV_ARG_LIMIT=32
CONFIG_CROSS_COMPILE=""
CONFIG_LOCALVERSION=""
CONFIG_LOCALVERSION_AUTO=y
CONFIG_HAVE_KERNEL_GZIP=y
CONFIG_HAVE_KERNEL_BZIP2=y
CONFIG_HAVE_KERNEL_LZMA=y
CONFIG_HAVE_KERNEL_XZ=y
CONFIG_HAVE_KERNEL_LZO=y
CONFIG_KERNEL_GZIP=y
# CONFIG_KERNEL_BZIP2 is not set
# CONFIG_KERNEL_LZMA is not set
# CONFIG_KERNEL_XZ is not set
# CONFIG_KERNEL_LZO is not set
CONFIG_DEFAULT_HOSTNAME="(none)"
CONFIG_SWAP=y
CONFIG_SYSVIPC=y
CONFIG_SYSVIPC_SYSCTL=y
CONFIG_POSIX_MQUEUE=y
CONFIG_POSIX_MQUEUE_SYSCTL=y
CONFIG_BSD_PROCESS_ACCT=y
CONFIG_BSD_PROCESS_ACCT_V3=y
CONFIG_FHANDLE=y
CONFIG_TASKSTATS=y
CONFIG_TASK_DELAY_ACCT=y
CONFIG_TASK_XACCT=y
CONFIG_TASK_IO_ACCOUNTING=y
CONFIG_AUDIT=y
CONFIG_AUDITSYSCALL=y
CONFIG_AUDIT_WATCH=y
CONFIG_AUDIT_TREE=y
CONFIG_AUDIT_LOGINUID_IMMUTABLE=y
CONFIG_HAVE_GENERIC_HARDIRQS=y
#
# IRQ subsystem
#
CONFIG_GENERIC_HARDIRQS=y
CONFIG_GENERIC_IRQ_PROBE=y
CONFIG_GENERIC_IRQ_SHOW=y
CONFIG_GENERIC_PENDING_IRQ=y
CONFIG_GENERIC_IRQ_CHIP=y
CONFIG_IRQ_DOMAIN=y
CONFIG_IRQ_DOMAIN_DEBUG=y
CONFIG_IRQ_FORCED_THREADING=y
CONFIG_SPARSE_IRQ=y
#
# RCU Subsystem
#
CONFIG_TREE_RCU=y
# CONFIG_PREEMPT_RCU is not set
CONFIG_RCU_FANOUT=32
CONFIG_RCU_FANOUT_EXACT=y
CONFIG_RCU_FAST_NO_HZ=y
CONFIG_TREE_RCU_TRACE=y
CONFIG_IKCONFIG=m
CONFIG_IKCONFIG_PROC=y
CONFIG_LOG_BUF_SHIFT=17
CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y
CONFIG_CGROUPS=y
CONFIG_CGROUP_DEBUG=y
CONFIG_CGROUP_FREEZER=y
CONFIG_CGROUP_DEVICE=y
CONFIG_CPUSETS=y
CONFIG_PROC_PID_CPUSET=y
CONFIG_CGROUP_CPUACCT=y
CONFIG_RESOURCE_COUNTERS=y
CONFIG_CGROUP_MEM_RES_CTLR=y
CONFIG_CGROUP_MEM_RES_CTLR_SWAP=y
CONFIG_CGROUP_MEM_RES_CTLR_SWAP_ENABLED=y
CONFIG_CGROUP_MEM_RES_CTLR_KMEM=y
CONFIG_CGROUP_PERF=y
CONFIG_CGROUP_SCHED=y
CONFIG_FAIR_GROUP_SCHED=y
CONFIG_CFS_BANDWIDTH=y
CONFIG_RT_GROUP_SCHED=y
CONFIG_BLK_CGROUP=y
CONFIG_DEBUG_BLK_CGROUP=y
CONFIG_CHECKPOINT_RESTORE=y
CONFIG_NAMESPACES=y
CONFIG_UTS_NS=y
CONFIG_IPC_NS=y
CONFIG_USER_NS=y
CONFIG_PID_NS=y
CONFIG_NET_NS=y
CONFIG_SCHED_AUTOGROUP=y
CONFIG_MM_OWNER=y
CONFIG_SYSFS_DEPRECATED=y
CONFIG_SYSFS_DEPRECATED_V2=y
CONFIG_RELAY=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_INITRAMFS_SOURCE=""
CONFIG_RD_GZIP=y
CONFIG_RD_BZIP2=y
CONFIG_RD_LZMA=y
CONFIG_RD_XZ=y
CONFIG_RD_LZO=y
CONFIG_CC_OPTIMIZE_FOR_SIZE=y
CONFIG_SYSCTL=y
CONFIG_ANON_INODES=y
CONFIG_EXPERT=y
CONFIG_UID16=y
CONFIG_SYSCTL_SYSCALL=y
CONFIG_KALLSYMS=y
CONFIG_KALLSYMS_ALL=y
CONFIG_HOTPLUG=y
CONFIG_PRINTK=y
CONFIG_BUG=y
CONFIG_ELF_CORE=y
CONFIG_PCSPKR_PLATFORM=y
CONFIG_HAVE_PCSPKR_PLATFORM=y
CONFIG_BASE_FULL=y
CONFIG_FUTEX=y
CONFIG_EPOLL=y
CONFIG_SIGNALFD=y
CONFIG_TIMERFD=y
CONFIG_EVENTFD=y
CONFIG_SHMEM=y
CONFIG_AIO=y
CONFIG_EMBEDDED=y
CONFIG_HAVE_PERF_EVENTS=y
CONFIG_PERF_USE_VMALLOC=y
#
# Kernel Performance Events And Counters
#
CONFIG_PERF_EVENTS=y
# CONFIG_PERF_COUNTERS is not set
CONFIG_DEBUG_PERF_USE_VMALLOC=y
CONFIG_VM_EVENT_COUNTERS=y
CONFIG_PCI_QUIRKS=y
CONFIG_SLUB_DEBUG=y
CONFIG_COMPAT_BRK=y
# CONFIG_SLAB is not set
CONFIG_SLUB=y
# CONFIG_SLOB is not set
CONFIG_PROFILING=y
CONFIG_TRACEPOINTS=y
CONFIG_OPROFILE=m
CONFIG_OPROFILE_EVENT_MULTIPLEX=y
CONFIG_HAVE_OPROFILE=y
CONFIG_OPROFILE_NMI_TIMER=y
CONFIG_KPROBES=y
CONFIG_JUMP_LABEL=y
CONFIG_OPTPROBES=y
CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y
CONFIG_KRETPROBES=y
CONFIG_USER_RETURN_NOTIFIER=y
CONFIG_HAVE_IOREMAP_PROT=y
CONFIG_HAVE_KPROBES=y
CONFIG_HAVE_KRETPROBES=y
CONFIG_HAVE_OPTPROBES=y
CONFIG_HAVE_ARCH_TRACEHOOK=y
CONFIG_HAVE_DMA_ATTRS=y
CONFIG_USE_GENERIC_SMP_HELPERS=y
CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y
CONFIG_HAVE_DMA_API_DEBUG=y
CONFIG_HAVE_HW_BREAKPOINT=y
CONFIG_HAVE_MIXED_BREAKPOINTS_REGS=y
CONFIG_HAVE_USER_RETURN_NOTIFIER=y
CONFIG_HAVE_PERF_EVENTS_NMI=y
CONFIG_HAVE_ARCH_JUMP_LABEL=y
CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG=y
CONFIG_HAVE_ALIGNED_STRUCT_PAGE=y
CONFIG_HAVE_CMPXCHG_LOCAL=y
CONFIG_HAVE_CMPXCHG_DOUBLE=y
#
# GCOV-based kernel profiling
#
CONFIG_GCOV_KERNEL=y
CONFIG_GCOV_PROFILE_ALL=y
CONFIG_HAVE_GENERIC_DMA_COHERENT=y
CONFIG_SLABINFO=y
CONFIG_RT_MUTEXES=y
CONFIG_BASE_SMALL=0
CONFIG_MODULES=y
CONFIG_MODULE_FORCE_LOAD=y
CONFIG_MODULE_UNLOAD=y
CONFIG_MODULE_FORCE_UNLOAD=y
CONFIG_MODVERSIONS=y
CONFIG_MODULE_SRCVERSION_ALL=y
CONFIG_STOP_MACHINE=y
CONFIG_BLOCK=y
# CONFIG_MQ is not set
CONFIG_LBDAF=y
CONFIG_BLK_DEV_BSG=y
CONFIG_BLK_DEV_BSGLIB=y
CONFIG_BLK_DEV_INTEGRITY=y
CONFIG_BLK_DEV_THROTTLING=y
#
# Partition Types
#
CONFIG_PARTITION_ADVANCED=y
CONFIG_ACORN_PARTITION=y
CONFIG_ACORN_PARTITION_CUMANA=y
CONFIG_ACORN_PARTITION_EESOX=y
CONFIG_ACORN_PARTITION_ICS=y
CONFIG_ACORN_PARTITION_ADFS=y
CONFIG_ACORN_PARTITION_POWERTEC=y
CONFIG_ACORN_PARTITION_RISCIX=y
CONFIG_OSF_PARTITION=y
CONFIG_AMIGA_PARTITION=y
CONFIG_ATARI_PARTITION=y
CONFIG_MAC_PARTITION=y
CONFIG_MSDOS_PARTITION=y
CONFIG_BSD_DISKLABEL=y
CONFIG_MINIX_SUBPARTITION=y
CONFIG_SOLARIS_X86_PARTITION=y
CONFIG_UNIXWARE_DISKLABEL=y
CONFIG_LDM_PARTITION=y
CONFIG_LDM_DEBUG=y
CONFIG_SGI_PARTITION=y
CONFIG_ULTRIX_PARTITION=y
CONFIG_SUN_PARTITION=y
CONFIG_KARMA_PARTITION=y
CONFIG_EFI_PARTITION=y
CONFIG_SYSV68_PARTITION=y
#
# IO Schedulers
#
CONFIG_IOSCHED_NOOP=y
CONFIG_DEFAULT_NOOP=y
CONFIG_DEFAULT_IOSCHED="noop"
CONFIG_PREEMPT_NOTIFIERS=y
CONFIG_PADATA=y
# CONFIG_INLINE_SPIN_TRYLOCK is not set
# CONFIG_INLINE_SPIN_TRYLOCK_BH is not set
# CONFIG_INLINE_SPIN_LOCK is not set
# CONFIG_INLINE_SPIN_LOCK_BH is not set
# CONFIG_INLINE_SPIN_LOCK_IRQ is not set
# CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set
CONFIG_UNINLINE_SPIN_UNLOCK=y
# CONFIG_INLINE_SPIN_UNLOCK_BH is not set
# CONFIG_INLINE_SPIN_UNLOCK_IRQ is not set
# CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set
# CONFIG_INLINE_READ_TRYLOCK is not set
# CONFIG_INLINE_READ_LOCK is not set
# CONFIG_INLINE_READ_LOCK_BH is not set
# CONFIG_INLINE_READ_LOCK_IRQ is not set
# CONFIG_INLINE_READ_LOCK_IRQSAVE is not set
# CONFIG_INLINE_READ_UNLOCK is not set
# CONFIG_INLINE_READ_UNLOCK_BH is not set
# CONFIG_INLINE_READ_UNLOCK_IRQ is not set
# CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set
# CONFIG_INLINE_WRITE_TRYLOCK is not set
# CONFIG_INLINE_WRITE_LOCK is not set
# CONFIG_INLINE_WRITE_LOCK_BH is not set
# CONFIG_INLINE_WRITE_LOCK_IRQ is not set
# CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set
# CONFIG_INLINE_WRITE_UNLOCK is not set
# CONFIG_INLINE_WRITE_UNLOCK_BH is not set
# CONFIG_INLINE_WRITE_UNLOCK_IRQ is not set
# CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set
# CONFIG_MUTEX_SPIN_ON_OWNER is not set
CONFIG_FREEZER=y
#
# Processor type and features
#
CONFIG_ZONE_DMA=y
CONFIG_TICK_ONESHOT=y
CONFIG_NO_HZ=y
CONFIG_HIGH_RES_TIMERS=y
CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
CONFIG_GENERIC_CLOCKEVENTS_MIN_ADJUST=y
CONFIG_SMP=y
CONFIG_X86_MPPARSE=y
CONFIG_X86_BIGSMP=y
CONFIG_X86_EXTENDED_PLATFORM=y
CONFIG_X86_WANT_INTEL_MID=y
CONFIG_X86_INTEL_MID=y
CONFIG_X86_MDFLD=y
CONFIG_X86_RDC321X=y
CONFIG_X86_32_NON_STANDARD=y
CONFIG_X86_NUMAQ=y
CONFIG_X86_SUMMIT=y
CONFIG_X86_ES7000=y
CONFIG_X86_32_IRIS=m
CONFIG_SCHED_OMIT_FRAME_POINTER=y
CONFIG_PARAVIRT_GUEST=y
CONFIG_PARAVIRT_TIME_ACCOUNTING=y
# CONFIG_XEN_PRIVILEGED_GUEST is not set
CONFIG_KVM_CLOCK=y
CONFIG_KVM_GUEST=y
CONFIG_LGUEST_GUEST=y
CONFIG_PARAVIRT=y
CONFIG_PARAVIRT_SPINLOCKS=y
CONFIG_PARAVIRT_CLOCK=y
CONFIG_PARAVIRT_DEBUG=y
CONFIG_NO_BOOTMEM=y
CONFIG_MEMTEST=y
CONFIG_X86_SUMMIT_NUMA=y
CONFIG_X86_CYCLONE_TIMER=y
# CONFIG_M386 is not set
# CONFIG_M486 is not set
# CONFIG_M586 is not set
# CONFIG_M586TSC is not set
# CONFIG_M586MMX is not set
CONFIG_M686=y
# CONFIG_MPENTIUMII is not set
# CONFIG_MPENTIUMIII is not set
# CONFIG_MPENTIUMM is not set
# CONFIG_MPENTIUM4 is not set
# CONFIG_MK6 is not set
# CONFIG_MK7 is not set
# CONFIG_MK8 is not set
# CONFIG_MCRUSOE is not set
# CONFIG_MEFFICEON is not set
# CONFIG_MWINCHIPC6 is not set
# CONFIG_MWINCHIP3D is not set
# CONFIG_MELAN is not set
# CONFIG_MGEODEGX1 is not set
# CONFIG_MGEODE_LX is not set
# CONFIG_MCYRIXIII is not set
# CONFIG_MVIAC3_2 is not set
# CONFIG_MVIAC7 is not set
# CONFIG_MCORE2 is not set
# CONFIG_MATOM is not set
CONFIG_X86_GENERIC=y
CONFIG_X86_INTERNODE_CACHE_SHIFT=6
CONFIG_X86_CMPXCHG=y
CONFIG_X86_L1_CACHE_SHIFT=6
CONFIG_X86_XADD=y
CONFIG_X86_PPRO_FENCE=y
CONFIG_X86_WP_WORKS_OK=y
CONFIG_X86_INVLPG=y
CONFIG_X86_BSWAP=y
CONFIG_X86_POPAD_OK=y
CONFIG_X86_INTEL_USERCOPY=y
CONFIG_X86_USE_PPRO_CHECKSUM=y
CONFIG_X86_CMPXCHG64=y
CONFIG_X86_CMOV=y
CONFIG_X86_MINIMUM_CPU_FAMILY=5
CONFIG_X86_DEBUGCTLMSR=y
CONFIG_PROCESSOR_SELECT=y
CONFIG_CPU_SUP_INTEL=y
CONFIG_CPU_SUP_CYRIX_32=y
CONFIG_CPU_SUP_AMD=y
CONFIG_CPU_SUP_CENTAUR=y
CONFIG_CPU_SUP_TRANSMETA_32=y
CONFIG_CPU_SUP_UMC_32=y
CONFIG_HPET_TIMER=y
CONFIG_HPET_EMULATE_RTC=y
CONFIG_APB_TIMER=y
CONFIG_DMI=y
# CONFIG_IOMMU_HELPER is not set
CONFIG_NR_CPUS=32
CONFIG_SCHED_SMT=y
CONFIG_SCHED_MC=y
CONFIG_IRQ_TIME_ACCOUNTING=y
CONFIG_PREEMPT_NONE=y
# CONFIG_PREEMPT_VOLUNTARY is not set
# CONFIG_PREEMPT is not set
CONFIG_PREEMPT_COUNT=y
CONFIG_X86_LOCAL_APIC=y
CONFIG_X86_IO_APIC=y
CONFIG_X86_REROUTE_FOR_BROKEN_BOOT_IRQS=y
CONFIG_X86_MCE=y
CONFIG_X86_MCE_INTEL=y
CONFIG_X86_MCE_AMD=y
CONFIG_X86_ANCIENT_MCE=y
CONFIG_X86_MCE_THRESHOLD=y
CONFIG_X86_MCE_INJECT=m
CONFIG_X86_THERMAL_VECTOR=y
CONFIG_VM86=y
CONFIG_TOSHIBA=m
CONFIG_I8K=m
CONFIG_X86_REBOOTFIXUPS=y
CONFIG_MICROCODE=m
CONFIG_MICROCODE_INTEL=y
CONFIG_MICROCODE_AMD=y
CONFIG_MICROCODE_OLD_INTERFACE=y
CONFIG_X86_MSR=m
CONFIG_X86_CPUID=m
CONFIG_HIGHMEM64G=y
CONFIG_VMSPLIT_3G=y
# CONFIG_VMSPLIT_2G is not set
# CONFIG_VMSPLIT_1G is not set
CONFIG_PAGE_OFFSET=0xC0000000
CONFIG_HIGHMEM=y
CONFIG_X86_PAE=y
CONFIG_ARCH_PHYS_ADDR_T_64BIT=y
CONFIG_ARCH_DMA_ADDR_T_64BIT=y
CONFIG_NUMA=y
CONFIG_NUMA_EMU=y
CONFIG_NODES_SHIFT=4
CONFIG_HAVE_ARCH_BOOTMEM=y
CONFIG_HAVE_ARCH_ALLOC_REMAP=y
CONFIG_ARCH_HAVE_MEMORY_PRESENT=y
CONFIG_NEED_NODE_MEMMAP_SIZE=y
CONFIG_ARCH_DISCONTIGMEM_ENABLE=y
CONFIG_ARCH_DISCONTIGMEM_DEFAULT=y
CONFIG_ARCH_SPARSEMEM_ENABLE=y
CONFIG_ARCH_SELECT_MEMORY_MODEL=y
CONFIG_ILLEGAL_POINTER_VALUE=0
CONFIG_SELECT_MEMORY_MODEL=y
CONFIG_DISCONTIGMEM_MANUAL=y
# CONFIG_SPARSEMEM_MANUAL is not set
CONFIG_DISCONTIGMEM=y
CONFIG_FLAT_NODE_MEM_MAP=y
CONFIG_NEED_MULTIPLE_NODES=y
CONFIG_HAVE_MEMORY_PRESENT=y
CONFIG_SPARSEMEM_STATIC=y
CONFIG_HAVE_MEMBLOCK=y
CONFIG_HAVE_MEMBLOCK_NODE_MAP=y
CONFIG_ARCH_DISCARD_MEMBLOCK=y
CONFIG_PAGEFLAGS_EXTENDED=y
CONFIG_SPLIT_PTLOCK_CPUS=999999
CONFIG_COMPACTION=y
CONFIG_MIGRATION=y
CONFIG_PHYS_ADDR_T_64BIT=y
CONFIG_ZONE_DMA_FLAG=1
CONFIG_BOUNCE=y
CONFIG_VIRT_TO_BUS=y
CONFIG_MMU_NOTIFIER=y
CONFIG_KSM=y
CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
CONFIG_TRANSPARENT_HUGEPAGE=y
CONFIG_TRANSPARENT_HUGEPAGE_ALWAYS=y
# CONFIG_TRANSPARENT_HUGEPAGE_MADVISE is not set
CONFIG_CLEANCACHE=y
CONFIG_HIGHPTE=y
CONFIG_X86_CHECK_BIOS_CORRUPTION=y
CONFIG_X86_BOOTPARAM_MEMORY_CORRUPTION_CHECK=y
CONFIG_X86_RESERVE_LOW=64
CONFIG_MATH_EMULATION=y
CONFIG_MTRR=y
CONFIG_MTRR_SANITIZER=y
CONFIG_MTRR_SANITIZER_ENABLE_DEFAULT=0
CONFIG_MTRR_SANITIZER_SPARE_REG_NR_DEFAULT=1
CONFIG_X86_PAT=y
CONFIG_ARCH_USES_PG_UNCACHED=y
CONFIG_ARCH_RANDOM=y
CONFIG_EFI=y
CONFIG_EFI_STUB=y
CONFIG_SECCOMP=y
CONFIG_CC_STACKPROTECTOR=y
# CONFIG_HZ_100 is not set
CONFIG_HZ_250=y
# CONFIG_HZ_300 is not set
# CONFIG_HZ_1000 is not set
CONFIG_HZ=250
CONFIG_SCHED_HRTICK=y
CONFIG_KEXEC=y
CONFIG_CRASH_DUMP=y
CONFIG_KEXEC_JUMP=y
CONFIG_PHYSICAL_START=0x1000000
CONFIG_RELOCATABLE=y
CONFIG_X86_NEED_RELOCS=y
CONFIG_PHYSICAL_ALIGN=0x1000000
CONFIG_HOTPLUG_CPU=y
CONFIG_COMPAT_VDSO=y
CONFIG_CMDLINE_BOOL=y
CONFIG_CMDLINE=""
CONFIG_CMDLINE_OVERRIDE=y
CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
CONFIG_USE_PERCPU_NUMA_NODE_ID=y
#
# Power management and ACPI options
#
CONFIG_SUSPEND=y
CONFIG_SUSPEND_FREEZER=y
CONFIG_HIBERNATE_CALLBACKS=y
CONFIG_HIBERNATION=y
CONFIG_PM_STD_PARTITION=""
CONFIG_PM_SLEEP=y
CONFIG_PM_SLEEP_SMP=y
CONFIG_PM_RUNTIME=y
CONFIG_PM=y
CONFIG_PM_DEBUG=y
CONFIG_PM_ADVANCED_DEBUG=y
CONFIG_PM_TEST_SUSPEND=y
CONFIG_CAN_PM_TRACE=y
CONFIG_PM_TRACE=y
CONFIG_PM_TRACE_RTC=y
CONFIG_ACPI=y
CONFIG_ACPI_SLEEP=y
CONFIG_ACPI_PROCFS=y
CONFIG_ACPI_PROCFS_POWER=y
CONFIG_ACPI_EC_DEBUGFS=m
CONFIG_ACPI_PROC_EVENT=y
CONFIG_ACPI_AC=m
CONFIG_ACPI_BATTERY=m
CONFIG_ACPI_BUTTON=m
CONFIG_ACPI_VIDEO=m
CONFIG_ACPI_FAN=m
CONFIG_ACPI_DOCK=y
CONFIG_ACPI_PROCESSOR=m
CONFIG_ACPI_IPMI=m
CONFIG_ACPI_HOTPLUG_CPU=y
CONFIG_ACPI_PROCESSOR_AGGREGATOR=m
CONFIG_ACPI_THERMAL=m
CONFIG_ACPI_NUMA=y
# CONFIG_ACPI_CUSTOM_DSDT is not set
CONFIG_ACPI_BLACKLIST_YEAR=0
CONFIG_ACPI_DEBUG=y
CONFIG_ACPI_DEBUG_FUNC_TRACE=y
CONFIG_ACPI_PCI_SLOT=m
CONFIG_X86_PM_TIMER=y
CONFIG_ACPI_CONTAINER=m
CONFIG_ACPI_SBS=m
CONFIG_ACPI_HED=y
CONFIG_ACPI_CUSTOM_METHOD=m
CONFIG_ACPI_BGRT=m
CONFIG_ACPI_APEI=y
CONFIG_ACPI_APEI_GHES=y
CONFIG_ACPI_APEI_PCIEAER=y
CONFIG_ACPI_APEI_EINJ=m
CONFIG_ACPI_APEI_ERST_DEBUG=m
CONFIG_SFI=y
CONFIG_X86_APM_BOOT=y
CONFIG_APM=m
CONFIG_APM_IGNORE_USER_SUSPEND=y
CONFIG_APM_DO_ENABLE=y
CONFIG_APM_CPU_IDLE=y
CONFIG_APM_DISPLAY_BLANK=y
CONFIG_APM_ALLOW_INTS=y
#
# CPU Frequency scaling
#
CONFIG_CPU_FREQ=y
CONFIG_CPU_FREQ_TABLE=m
CONFIG_CPU_FREQ_STAT=m
CONFIG_CPU_FREQ_STAT_DETAILS=y
CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
# CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE is not set
# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set
# CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND is not set
# CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE is not set
CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
CONFIG_CPU_FREQ_GOV_POWERSAVE=m
CONFIG_CPU_FREQ_GOV_USERSPACE=m
CONFIG_CPU_FREQ_GOV_ONDEMAND=m
CONFIG_CPU_FREQ_GOV_CONSERVATIVE=m
#
# x86 CPU frequency scaling drivers
#
CONFIG_X86_PCC_CPUFREQ=m
CONFIG_X86_ACPI_CPUFREQ=m
CONFIG_X86_POWERNOW_K6=m
CONFIG_X86_POWERNOW_K7=m
CONFIG_X86_POWERNOW_K7_ACPI=y
CONFIG_X86_POWERNOW_K8=m
CONFIG_X86_GX_SUSPMOD=m
CONFIG_X86_SPEEDSTEP_CENTRINO=m
CONFIG_X86_SPEEDSTEP_CENTRINO_TABLE=y
CONFIG_X86_SPEEDSTEP_ICH=m
CONFIG_X86_SPEEDSTEP_SMI=m
CONFIG_X86_P4_CLOCKMOD=m
CONFIG_X86_CPUFREQ_NFORCE2=m
CONFIG_X86_LONGRUN=m
CONFIG_X86_LONGHAUL=m
CONFIG_X86_E_POWERSAVER=m
#
# shared options
#
CONFIG_X86_SPEEDSTEP_LIB=m
CONFIG_X86_SPEEDSTEP_RELAXED_CAP_CHECK=y
CONFIG_CPU_IDLE=y
CONFIG_CPU_IDLE_GOV_LADDER=y
CONFIG_CPU_IDLE_GOV_MENU=y
CONFIG_INTEL_IDLE=y
#
# Bus options (PCI etc.)
#
CONFIG_PCI=y
# CONFIG_PCI_GOBIOS is not set
# CONFIG_PCI_GOMMCONFIG is not set
# CONFIG_PCI_GODIRECT is not set
CONFIG_PCI_GOANY=y
CONFIG_PCI_BIOS=y
CONFIG_PCI_DIRECT=y
CONFIG_PCI_MMCONFIG=y
CONFIG_PCI_DOMAINS=y
CONFIG_PCI_CNB20LE_QUIRK=y
CONFIG_PCIEPORTBUS=y
CONFIG_HOTPLUG_PCI_PCIE=m
CONFIG_PCIEAER=y
CONFIG_PCIE_ECRC=y
CONFIG_PCIEAER_INJECT=m
CONFIG_PCIEASPM=y
CONFIG_PCIEASPM_DEBUG=y
CONFIG_PCIEASPM_DEFAULT=y
# CONFIG_PCIEASPM_POWERSAVE is not set
# CONFIG_PCIEASPM_PERFORMANCE is not set
CONFIG_PCIE_PME=y
CONFIG_ARCH_SUPPORTS_MSI=y
CONFIG_PCI_MSI=y
CONFIG_PCI_DEBUG=y
CONFIG_PCI_REALLOC_ENABLE_AUTO=y
CONFIG_PCI_STUB=m
CONFIG_HT_IRQ=y
CONFIG_PCI_ATS=y
CONFIG_PCI_IOV=y
CONFIG_PCI_PRI=y
CONFIG_PCI_PASID=y
CONFIG_PCI_IOAPIC=m
CONFIG_PCI_LABEL=y
CONFIG_ISA_DMA_API=y
CONFIG_ISA=y
CONFIG_EISA=y
CONFIG_EISA_VLB_PRIMING=y
CONFIG_EISA_PCI_EISA=y
CONFIG_EISA_VIRTUAL_ROOT=y
CONFIG_EISA_NAMES=y
# CONFIG_MCA is not set
CONFIG_SCx200=m
CONFIG_SCx200HR_TIMER=m
CONFIG_ALIX=y
CONFIG_NET5501=y
CONFIG_GEOS=y
CONFIG_AMD_NB=y
CONFIG_PCCARD=m
CONFIG_PCMCIA=m
CONFIG_PCMCIA_LOAD_CIS=y
CONFIG_CARDBUS=y
#
# PC-card bridges
#
CONFIG_YENTA=m
CONFIG_YENTA_O2=y
CONFIG_YENTA_RICOH=y
CONFIG_YENTA_TI=y
CONFIG_YENTA_ENE_TUNE=y
CONFIG_YENTA_TOSHIBA=y
CONFIG_PD6729=m
CONFIG_I82092=m
CONFIG_I82365=m
CONFIG_TCIC=m
CONFIG_PCMCIA_PROBE=y
CONFIG_PCCARD_NONSTATIC=y
CONFIG_HOTPLUG_PCI=m
CONFIG_HOTPLUG_PCI_FAKE=m
CONFIG_HOTPLUG_PCI_COMPAQ=m
CONFIG_HOTPLUG_PCI_COMPAQ_NVRAM=y
CONFIG_HOTPLUG_PCI_IBM=m
CONFIG_HOTPLUG_PCI_ACPI=m
CONFIG_HOTPLUG_PCI_ACPI_IBM=m
CONFIG_HOTPLUG_PCI_CPCI=y
CONFIG_HOTPLUG_PCI_CPCI_ZT5550=m
CONFIG_HOTPLUG_PCI_CPCI_GENERIC=m
CONFIG_HOTPLUG_PCI_SHPC=m
CONFIG_RAPIDIO=y
CONFIG_RAPIDIO_TSI721=y
CONFIG_RAPIDIO_DISC_TIMEOUT=30
CONFIG_RAPIDIO_ENABLE_RX_TX_PORTS=y
CONFIG_RAPIDIO_DEBUG=y
CONFIG_RAPIDIO_TSI57X=y
CONFIG_RAPIDIO_CPS_XX=y
CONFIG_RAPIDIO_TSI568=y
CONFIG_RAPIDIO_CPS_GEN2=y
CONFIG_RAPIDIO_TSI500=y
#
# Executable file formats / Emulations
#
CONFIG_BINFMT_ELF=y
CONFIG_ARCH_BINFMT_ELF_RANDOMIZE_PIE=y
CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS=y
CONFIG_HAVE_AOUT=y
CONFIG_BINFMT_AOUT=m
CONFIG_BINFMT_MISC=m
CONFIG_HAVE_ATOMIC_IOMAP=y
CONFIG_HAVE_TEXT_POKE_SMP=y
CONFIG_NET=y
#
# Networking options
#
CONFIG_PACKET=m
CONFIG_UNIX=m
CONFIG_UNIX_DIAG=m
CONFIG_XFRM=y
CONFIG_XFRM_USER=m
CONFIG_XFRM_SUB_POLICY=y
CONFIG_XFRM_MIGRATE=y
CONFIG_XFRM_STATISTICS=y
CONFIG_XFRM_IPCOMP=m
CONFIG_NET_KEY=m
CONFIG_NET_KEY_MIGRATE=y
CONFIG_INET=y
CONFIG_IP_MULTICAST=y
CONFIG_IP_ADVANCED_ROUTER=y
CONFIG_IP_FIB_TRIE_STATS=y
CONFIG_IP_MULTIPLE_TABLES=y
CONFIG_IP_ROUTE_MULTIPATH=y
CONFIG_IP_ROUTE_VERBOSE=y
CONFIG_IP_ROUTE_CLASSID=y
CONFIG_IP_PNP=y
CONFIG_IP_PNP_DHCP=y
CONFIG_IP_PNP_BOOTP=y
CONFIG_IP_PNP_RARP=y
CONFIG_NET_IPIP=m
CONFIG_NET_IPGRE_DEMUX=m
CONFIG_NET_IPGRE=m
CONFIG_NET_IPGRE_BROADCAST=y
CONFIG_IP_MROUTE=y
CONFIG_IP_MROUTE_MULTIPLE_TABLES=y
CONFIG_IP_PIMSM_V1=y
CONFIG_IP_PIMSM_V2=y
CONFIG_ARPD=y
CONFIG_SYN_COOKIES=y
CONFIG_INET_AH=m
CONFIG_INET_ESP=m
CONFIG_INET_IPCOMP=m
CONFIG_INET_XFRM_TUNNEL=m
CONFIG_INET_TUNNEL=m
CONFIG_INET_XFRM_MODE_TRANSPORT=m
CONFIG_INET_XFRM_MODE_TUNNEL=m
CONFIG_INET_XFRM_MODE_BEET=m
CONFIG_INET_LRO=m
CONFIG_INET_DIAG=m
CONFIG_INET_TCP_DIAG=m
CONFIG_INET_UDP_DIAG=m
CONFIG_TCP_CONG_ADVANCED=y
CONFIG_TCP_CONG_BIC=m
CONFIG_TCP_CONG_CUBIC=m
CONFIG_TCP_CONG_WESTWOOD=m
CONFIG_TCP_CONG_HTCP=m
CONFIG_TCP_CONG_HSTCP=m
CONFIG_TCP_CONG_HYBLA=m
CONFIG_TCP_CONG_VEGAS=m
CONFIG_TCP_CONG_SCALABLE=m
CONFIG_TCP_CONG_LP=m
CONFIG_TCP_CONG_VENO=m
CONFIG_TCP_CONG_YEAH=m
CONFIG_TCP_CONG_ILLINOIS=m
CONFIG_DEFAULT_RENO=y
CONFIG_DEFAULT_TCP_CONG="reno"
CONFIG_TCP_MD5SIG=y
CONFIG_IPV6=m
CONFIG_IPV6_PRIVACY=y
CONFIG_IPV6_ROUTER_PREF=y
CONFIG_IPV6_ROUTE_INFO=y
CONFIG_IPV6_OPTIMISTIC_DAD=y
CONFIG_INET6_AH=m
CONFIG_INET6_ESP=m
CONFIG_INET6_IPCOMP=m
CONFIG_IPV6_MIP6=m
CONFIG_INET6_XFRM_TUNNEL=m
CONFIG_INET6_TUNNEL=m
CONFIG_INET6_XFRM_MODE_TRANSPORT=m
CONFIG_INET6_XFRM_MODE_TUNNEL=m
CONFIG_INET6_XFRM_MODE_BEET=m
CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION=m
CONFIG_IPV6_SIT=m
CONFIG_IPV6_SIT_6RD=y
CONFIG_IPV6_NDISC_NODETYPE=y
CONFIG_IPV6_TUNNEL=m
CONFIG_IPV6_MULTIPLE_TABLES=y
CONFIG_IPV6_SUBTREES=y
CONFIG_IPV6_MROUTE=y
CONFIG_IPV6_MROUTE_MULTIPLE_TABLES=y
CONFIG_IPV6_PIMSM_V2=y
CONFIG_NETLABEL=y
CONFIG_NETWORK_SECMARK=y
CONFIG_NETWORK_PHY_TIMESTAMPING=y
CONFIG_NETFILTER=y
CONFIG_NETFILTER_DEBUG=y
CONFIG_NETFILTER_ADVANCED=y
CONFIG_BRIDGE_NETFILTER=y
#
# Core Netfilter Configuration
#
CONFIG_NETFILTER_NETLINK=m
CONFIG_NETFILTER_NETLINK_ACCT=m
CONFIG_NETFILTER_NETLINK_QUEUE=m
CONFIG_NETFILTER_NETLINK_LOG=m
CONFIG_NF_CONNTRACK=m
CONFIG_NF_CONNTRACK_MARK=y
CONFIG_NF_CONNTRACK_SECMARK=y
CONFIG_NF_CONNTRACK_ZONES=y
CONFIG_NF_CONNTRACK_PROCFS=y
CONFIG_NF_CONNTRACK_EVENTS=y
CONFIG_NF_CONNTRACK_TIMEOUT=y
CONFIG_NF_CONNTRACK_TIMESTAMP=y
CONFIG_NF_CT_PROTO_DCCP=m
CONFIG_NF_CT_PROTO_GRE=m
CONFIG_NF_CT_PROTO_SCTP=m
CONFIG_NF_CT_PROTO_UDPLITE=m
CONFIG_NF_CONNTRACK_AMANDA=m
CONFIG_NF_CONNTRACK_FTP=m
CONFIG_NF_CONNTRACK_H323=m
CONFIG_NF_CONNTRACK_IRC=m
CONFIG_NF_CONNTRACK_BROADCAST=m
CONFIG_NF_CONNTRACK_NETBIOS_NS=m
CONFIG_NF_CONNTRACK_SNMP=m
CONFIG_NF_CONNTRACK_PPTP=m
CONFIG_NF_CONNTRACK_SANE=m
CONFIG_NF_CONNTRACK_SIP=m
CONFIG_NF_CONNTRACK_TFTP=m
CONFIG_NF_CT_NETLINK=m
CONFIG_NF_CT_NETLINK_TIMEOUT=m
CONFIG_NETFILTER_TPROXY=m
CONFIG_NETFILTER_XTABLES=m
#
# Xtables combined modules
#
CONFIG_NETFILTER_XT_MARK=m
CONFIG_NETFILTER_XT_CONNMARK=m
CONFIG_NETFILTER_XT_SET=m
#
# Xtables targets
#
CONFIG_NETFILTER_XT_TARGET_AUDIT=m
CONFIG_NETFILTER_XT_TARGET_CHECKSUM=m
CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m
CONFIG_NETFILTER_XT_TARGET_CONNMARK=m
CONFIG_NETFILTER_XT_TARGET_CONNSECMARK=m
CONFIG_NETFILTER_XT_TARGET_CT=m
CONFIG_NETFILTER_XT_TARGET_DSCP=m
CONFIG_NETFILTER_XT_TARGET_HL=m
CONFIG_NETFILTER_XT_TARGET_IDLETIMER=m
CONFIG_NETFILTER_XT_TARGET_LED=m
CONFIG_NETFILTER_XT_TARGET_LOG=m
CONFIG_NETFILTER_XT_TARGET_MARK=m
CONFIG_NETFILTER_XT_TARGET_NFLOG=m
CONFIG_NETFILTER_XT_TARGET_NFQUEUE=m
CONFIG_NETFILTER_XT_TARGET_NOTRACK=m
CONFIG_NETFILTER_XT_TARGET_RATEEST=m
CONFIG_NETFILTER_XT_TARGET_TEE=m
CONFIG_NETFILTER_XT_TARGET_TPROXY=m
CONFIG_NETFILTER_XT_TARGET_TRACE=m
CONFIG_NETFILTER_XT_TARGET_SECMARK=m
CONFIG_NETFILTER_XT_TARGET_TCPMSS=m
CONFIG_NETFILTER_XT_TARGET_TCPOPTSTRIP=m
#
# Xtables matches
#
CONFIG_NETFILTER_XT_MATCH_ADDRTYPE=m
CONFIG_NETFILTER_XT_MATCH_CLUSTER=m
CONFIG_NETFILTER_XT_MATCH_COMMENT=m
CONFIG_NETFILTER_XT_MATCH_CONNBYTES=m
CONFIG_NETFILTER_XT_MATCH_CONNLIMIT=m
CONFIG_NETFILTER_XT_MATCH_CONNMARK=m
CONFIG_NETFILTER_XT_MATCH_CONNTRACK=m
CONFIG_NETFILTER_XT_MATCH_CPU=m
CONFIG_NETFILTER_XT_MATCH_DCCP=m
CONFIG_NETFILTER_XT_MATCH_DEVGROUP=m
CONFIG_NETFILTER_XT_MATCH_DSCP=m
CONFIG_NETFILTER_XT_MATCH_ECN=m
CONFIG_NETFILTER_XT_MATCH_ESP=m
CONFIG_NETFILTER_XT_MATCH_HASHLIMIT=m
CONFIG_NETFILTER_XT_MATCH_HELPER=m
CONFIG_NETFILTER_XT_MATCH_HL=m
CONFIG_NETFILTER_XT_MATCH_IPRANGE=m
CONFIG_NETFILTER_XT_MATCH_IPVS=m
CONFIG_NETFILTER_XT_MATCH_LENGTH=m
CONFIG_NETFILTER_XT_MATCH_LIMIT=m
CONFIG_NETFILTER_XT_MATCH_MAC=m
CONFIG_NETFILTER_XT_MATCH_MARK=m
CONFIG_NETFILTER_XT_MATCH_MULTIPORT=m
CONFIG_NETFILTER_XT_MATCH_NFACCT=m
CONFIG_NETFILTER_XT_MATCH_OSF=m
CONFIG_NETFILTER_XT_MATCH_OWNER=m
CONFIG_NETFILTER_XT_MATCH_POLICY=m
CONFIG_NETFILTER_XT_MATCH_PHYSDEV=m
CONFIG_NETFILTER_XT_MATCH_PKTTYPE=m
CONFIG_NETFILTER_XT_MATCH_QUOTA=m
CONFIG_NETFILTER_XT_MATCH_RATEEST=m
CONFIG_NETFILTER_XT_MATCH_REALM=m
CONFIG_NETFILTER_XT_MATCH_RECENT=m
CONFIG_NETFILTER_XT_MATCH_SCTP=m
CONFIG_NETFILTER_XT_MATCH_SOCKET=m
CONFIG_NETFILTER_XT_MATCH_STATE=m
CONFIG_NETFILTER_XT_MATCH_STATISTIC=m
CONFIG_NETFILTER_XT_MATCH_STRING=m
CONFIG_NETFILTER_XT_MATCH_TCPMSS=m
CONFIG_NETFILTER_XT_MATCH_TIME=m
CONFIG_NETFILTER_XT_MATCH_U32=m
CONFIG_IP_SET=m
CONFIG_IP_SET_MAX=256
CONFIG_IP_SET_BITMAP_IP=m
CONFIG_IP_SET_BITMAP_IPMAC=m
CONFIG_IP_SET_BITMAP_PORT=m
CONFIG_IP_SET_HASH_IP=m
CONFIG_IP_SET_HASH_IPPORT=m
CONFIG_IP_SET_HASH_IPPORTIP=m
CONFIG_IP_SET_HASH_IPPORTNET=m
CONFIG_IP_SET_HASH_NET=m
CONFIG_IP_SET_HASH_NETPORT=m
CONFIG_IP_SET_HASH_NETIFACE=m
CONFIG_IP_SET_LIST_SET=m
CONFIG_IP_VS=m
CONFIG_IP_VS_IPV6=y
CONFIG_IP_VS_DEBUG=y
CONFIG_IP_VS_TAB_BITS=12
#
# IPVS transport protocol load balancing support
#
CONFIG_IP_VS_PROTO_TCP=y
CONFIG_IP_VS_PROTO_UDP=y
CONFIG_IP_VS_PROTO_AH_ESP=y
CONFIG_IP_VS_PROTO_ESP=y
CONFIG_IP_VS_PROTO_AH=y
CONFIG_IP_VS_PROTO_SCTP=y
#
# IPVS scheduler
#
CONFIG_IP_VS_RR=m
CONFIG_IP_VS_WRR=m
CONFIG_IP_VS_LC=m
CONFIG_IP_VS_WLC=m
CONFIG_IP_VS_LBLC=m
CONFIG_IP_VS_LBLCR=m
CONFIG_IP_VS_DH=m
CONFIG_IP_VS_SH=m
CONFIG_IP_VS_SED=m
CONFIG_IP_VS_NQ=m
#
# IPVS SH scheduler
#
CONFIG_IP_VS_SH_TAB_BITS=8
#
# IPVS application helper
#
CONFIG_IP_VS_FTP=m
CONFIG_IP_VS_NFCT=y
CONFIG_IP_VS_PE_SIP=m
#
# IP: Netfilter Configuration
#
CONFIG_NF_DEFRAG_IPV4=m
CONFIG_NF_CONNTRACK_IPV4=m
CONFIG_NF_CONNTRACK_PROC_COMPAT=y
CONFIG_IP_NF_QUEUE=m
CONFIG_IP_NF_IPTABLES=m
CONFIG_IP_NF_MATCH_AH=m
CONFIG_IP_NF_MATCH_ECN=m
CONFIG_IP_NF_MATCH_RPFILTER=m
CONFIG_IP_NF_MATCH_TTL=m
CONFIG_IP_NF_FILTER=m
CONFIG_IP_NF_TARGET_REJECT=m
CONFIG_IP_NF_TARGET_ULOG=m
CONFIG_NF_NAT=m
CONFIG_NF_NAT_NEEDED=y
CONFIG_IP_NF_TARGET_MASQUERADE=m
CONFIG_IP_NF_TARGET_NETMAP=m
CONFIG_IP_NF_TARGET_REDIRECT=m
CONFIG_NF_NAT_SNMP_BASIC=m
CONFIG_NF_NAT_PROTO_DCCP=m
CONFIG_NF_NAT_PROTO_GRE=m
CONFIG_NF_NAT_PROTO_UDPLITE=m
CONFIG_NF_NAT_PROTO_SCTP=m
CONFIG_NF_NAT_FTP=m
CONFIG_NF_NAT_IRC=m
CONFIG_NF_NAT_TFTP=m
CONFIG_NF_NAT_AMANDA=m
CONFIG_NF_NAT_PPTP=m
CONFIG_NF_NAT_H323=m
CONFIG_NF_NAT_SIP=m
CONFIG_IP_NF_MANGLE=m
CONFIG_IP_NF_TARGET_CLUSTERIP=m
CONFIG_IP_NF_TARGET_ECN=m
CONFIG_IP_NF_TARGET_TTL=m
CONFIG_IP_NF_RAW=m
CONFIG_IP_NF_SECURITY=m
CONFIG_IP_NF_ARPTABLES=m
CONFIG_IP_NF_ARPFILTER=m
CONFIG_IP_NF_ARP_MANGLE=m
#
# IPv6: Netfilter Configuration
#
CONFIG_NF_DEFRAG_IPV6=m
CONFIG_NF_CONNTRACK_IPV6=m
# CONFIG_IP6_NF_QUEUE is not set
CONFIG_IP6_NF_IPTABLES=m
CONFIG_IP6_NF_MATCH_AH=m
CONFIG_IP6_NF_MATCH_EUI64=m
CONFIG_IP6_NF_MATCH_FRAG=m
CONFIG_IP6_NF_MATCH_OPTS=m
CONFIG_IP6_NF_MATCH_HL=m
CONFIG_IP6_NF_MATCH_IPV6HEADER=m
CONFIG_IP6_NF_MATCH_MH=m
CONFIG_IP6_NF_MATCH_RPFILTER=m
CONFIG_IP6_NF_MATCH_RT=m
CONFIG_IP6_NF_TARGET_HL=m
CONFIG_IP6_NF_FILTER=m
CONFIG_IP6_NF_TARGET_REJECT=m
CONFIG_IP6_NF_MANGLE=m
CONFIG_IP6_NF_RAW=m
CONFIG_IP6_NF_SECURITY=m
#
# DECnet: Netfilter Configuration
#
CONFIG_DECNET_NF_GRABULATOR=m
CONFIG_BRIDGE_NF_EBTABLES=m
CONFIG_BRIDGE_EBT_BROUTE=m
CONFIG_BRIDGE_EBT_T_FILTER=m
CONFIG_BRIDGE_EBT_T_NAT=m
CONFIG_BRIDGE_EBT_802_3=m
CONFIG_BRIDGE_EBT_AMONG=m
CONFIG_BRIDGE_EBT_ARP=m
CONFIG_BRIDGE_EBT_IP=m
CONFIG_BRIDGE_EBT_IP6=m
CONFIG_BRIDGE_EBT_LIMIT=m
CONFIG_BRIDGE_EBT_MARK=m
CONFIG_BRIDGE_EBT_PKTTYPE=m
CONFIG_BRIDGE_EBT_STP=m
CONFIG_BRIDGE_EBT_VLAN=m
CONFIG_BRIDGE_EBT_ARPREPLY=m
CONFIG_BRIDGE_EBT_DNAT=m
CONFIG_BRIDGE_EBT_MARK_T=m
CONFIG_BRIDGE_EBT_REDIRECT=m
CONFIG_BRIDGE_EBT_SNAT=m
CONFIG_BRIDGE_EBT_LOG=m
CONFIG_BRIDGE_EBT_ULOG=m
CONFIG_BRIDGE_EBT_NFLOG=m
CONFIG_IP_DCCP=m
CONFIG_INET_DCCP_DIAG=m
#
# DCCP CCIDs Configuration (EXPERIMENTAL)
#
CONFIG_IP_DCCP_CCID2_DEBUG=y
CONFIG_IP_DCCP_CCID3=y
CONFIG_IP_DCCP_CCID3_DEBUG=y
CONFIG_IP_DCCP_TFRC_LIB=y
CONFIG_IP_DCCP_TFRC_DEBUG=y
#
# DCCP Kernel Hacking
#
CONFIG_IP_DCCP_DEBUG=y
CONFIG_NET_DCCPPROBE=m
CONFIG_IP_SCTP=m
CONFIG_NET_SCTPPROBE=m
CONFIG_SCTP_DBG_MSG=y
CONFIG_SCTP_DBG_OBJCNT=y
# CONFIG_SCTP_HMAC_NONE is not set
# CONFIG_SCTP_HMAC_SHA1 is not set
CONFIG_SCTP_HMAC_MD5=y
CONFIG_RDS=m
CONFIG_RDS_RDMA=m
CONFIG_RDS_TCP=m
CONFIG_RDS_DEBUG=y
CONFIG_TIPC=m
CONFIG_TIPC_ADVANCED=y
CONFIG_TIPC_PORTS=8191
CONFIG_TIPC_LOG=0
CONFIG_TIPC_DEBUG=y
CONFIG_ATM=m
CONFIG_ATM_CLIP=m
CONFIG_ATM_CLIP_NO_ICMP=y
CONFIG_ATM_LANE=m
CONFIG_ATM_MPOA=m
CONFIG_ATM_BR2684=m
CONFIG_ATM_BR2684_IPFILTER=y
CONFIG_L2TP=m
CONFIG_L2TP_DEBUGFS=m
CONFIG_L2TP_V3=y
CONFIG_L2TP_IP=m
CONFIG_L2TP_ETH=m
CONFIG_STP=m
CONFIG_GARP=m
CONFIG_BRIDGE=m
CONFIG_BRIDGE_IGMP_SNOOPING=y
CONFIG_NET_DSA=m
CONFIG_NET_DSA_TAG_DSA=y
CONFIG_NET_DSA_TAG_EDSA=y
CONFIG_NET_DSA_TAG_TRAILER=y
CONFIG_VLAN_8021Q=m
CONFIG_VLAN_8021Q_GVRP=y
CONFIG_DECNET=m
CONFIG_DECNET_ROUTER=y
CONFIG_LLC=m
CONFIG_LLC2=m
CONFIG_IPX=m
CONFIG_IPX_INTERN=y
CONFIG_ATALK=m
CONFIG_DEV_APPLETALK=m
CONFIG_LTPC=m
CONFIG_COPS=m
CONFIG_COPS_DAYNA=y
CONFIG_COPS_TANGENT=y
CONFIG_IPDDP=m
CONFIG_IPDDP_ENCAP=y
CONFIG_IPDDP_DECAP=y
CONFIG_X25=m
CONFIG_LAPB=m
# CONFIG_ECONET is not set
CONFIG_WAN_ROUTER=m
CONFIG_PHONET=m
CONFIG_IEEE802154=m
CONFIG_IEEE802154_6LOWPAN=m
CONFIG_NET_SCHED=y
#
# Queueing/Scheduling
#
CONFIG_NET_SCH_CBQ=m
CONFIG_NET_SCH_HTB=m
CONFIG_NET_SCH_HFSC=m
CONFIG_NET_SCH_ATM=m
CONFIG_NET_SCH_PRIO=m
CONFIG_NET_SCH_MULTIQ=m
CONFIG_NET_SCH_RED=m
CONFIG_NET_SCH_SFB=m
CONFIG_NET_SCH_SFQ=m
CONFIG_NET_SCH_TEQL=m
CONFIG_NET_SCH_TBF=m
CONFIG_NET_SCH_GRED=m
CONFIG_NET_SCH_DSMARK=m
CONFIG_NET_SCH_NETEM=m
CONFIG_NET_SCH_DRR=m
CONFIG_NET_SCH_MQPRIO=m
CONFIG_NET_SCH_CHOKE=m
CONFIG_NET_SCH_QFQ=m
CONFIG_NET_SCH_INGRESS=m
CONFIG_NET_SCH_PLUG=m
#
# Classification
#
CONFIG_NET_CLS=y
CONFIG_NET_CLS_BASIC=m
CONFIG_NET_CLS_TCINDEX=m
CONFIG_NET_CLS_ROUTE4=m
CONFIG_NET_CLS_FW=m
CONFIG_NET_CLS_U32=m
CONFIG_CLS_U32_PERF=y
CONFIG_CLS_U32_MARK=y
CONFIG_NET_CLS_RSVP=m
CONFIG_NET_CLS_RSVP6=m
CONFIG_NET_CLS_FLOW=m
CONFIG_NET_CLS_CGROUP=m
CONFIG_NET_EMATCH=y
CONFIG_NET_EMATCH_STACK=32
CONFIG_NET_EMATCH_CMP=m
CONFIG_NET_EMATCH_NBYTE=m
CONFIG_NET_EMATCH_U32=m
CONFIG_NET_EMATCH_META=m
CONFIG_NET_EMATCH_TEXT=m
CONFIG_NET_CLS_ACT=y
CONFIG_NET_ACT_POLICE=m
CONFIG_NET_ACT_GACT=m
CONFIG_GACT_PROB=y
CONFIG_NET_ACT_MIRRED=m
CONFIG_NET_ACT_IPT=m
CONFIG_NET_ACT_NAT=m
CONFIG_NET_ACT_PEDIT=m
CONFIG_NET_ACT_SIMP=m
CONFIG_NET_ACT_SKBEDIT=m
CONFIG_NET_ACT_CSUM=m
CONFIG_NET_CLS_IND=y
CONFIG_NET_SCH_FIFO=y
CONFIG_DCB=y
CONFIG_DNS_RESOLVER=m
CONFIG_BATMAN_ADV=m
CONFIG_BATMAN_ADV_DEBUG=y
CONFIG_OPENVSWITCH=m
CONFIG_RPS=y
CONFIG_RFS_ACCEL=y
CONFIG_XPS=y
CONFIG_NETPRIO_CGROUP=m
CONFIG_BQL=y
#
# Network testing
#
CONFIG_NET_PKTGEN=m
CONFIG_NET_TCPPROBE=m
CONFIG_NET_DROP_MONITOR=y
CONFIG_HAMRADIO=y
#
# Packet Radio protocols
#
CONFIG_AX25=m
CONFIG_AX25_DAMA_SLAVE=y
CONFIG_NETROM=m
CONFIG_ROSE=m
#
# AX.25 network device drivers
#
CONFIG_MKISS=m
CONFIG_6PACK=m
CONFIG_BPQETHER=m
CONFIG_SCC=m
CONFIG_SCC_DELAY=y
CONFIG_SCC_TRXECHO=y
CONFIG_BAYCOM_SER_FDX=m
CONFIG_BAYCOM_SER_HDX=m
CONFIG_BAYCOM_PAR=m
CONFIG_BAYCOM_EPP=m
CONFIG_YAM=m
CONFIG_CAN=m
CONFIG_CAN_RAW=m
CONFIG_CAN_BCM=m
CONFIG_CAN_GW=m
#
# CAN Device Drivers
#
CONFIG_CAN_VCAN=m
CONFIG_CAN_SLCAN=m
CONFIG_CAN_DEV=m
CONFIG_CAN_CALC_BITTIMING=y
CONFIG_CAN_MCP251X=m
CONFIG_CAN_JANZ_ICAN3=m
CONFIG_PCH_CAN=m
CONFIG_CAN_SJA1000=m
CONFIG_CAN_SJA1000_ISA=m
CONFIG_CAN_SJA1000_PLATFORM=m
CONFIG_CAN_EMS_PCMCIA=m
CONFIG_CAN_EMS_PCI=m
CONFIG_CAN_PEAK_PCMCIA=m
CONFIG_CAN_PEAK_PCI=m
CONFIG_CAN_PEAK_PCIEC=y
CONFIG_CAN_KVASER_PCI=m
CONFIG_CAN_PLX_PCI=m
CONFIG_CAN_TSCAN1=m
CONFIG_CAN_C_CAN=m
CONFIG_CAN_C_CAN_PLATFORM=m
CONFIG_CAN_CC770=m
CONFIG_CAN_CC770_ISA=m
CONFIG_CAN_CC770_PLATFORM=m
#
# CAN USB interfaces
#
CONFIG_CAN_EMS_USB=m
CONFIG_CAN_ESD_USB2=m
CONFIG_CAN_PEAK_USB=m
CONFIG_CAN_SOFTING=m
CONFIG_CAN_SOFTING_CS=m
CONFIG_CAN_DEBUG_DEVICES=y
CONFIG_IRDA=m
#
# IrDA protocols
#
CONFIG_IRLAN=m
CONFIG_IRNET=m
CONFIG_IRCOMM=m
CONFIG_IRDA_ULTRA=y
#
# IrDA options
#
CONFIG_IRDA_CACHE_LAST_LSAP=y
CONFIG_IRDA_FAST_RR=y
CONFIG_IRDA_DEBUG=y
#
# Infrared-port device drivers
#
#
# SIR device drivers
#
CONFIG_IRTTY_SIR=m
#
# Dongle support
#
CONFIG_DONGLE=y
CONFIG_ESI_DONGLE=m
CONFIG_ACTISYS_DONGLE=m
CONFIG_TEKRAM_DONGLE=m
CONFIG_TOIM3232_DONGLE=m
CONFIG_LITELINK_DONGLE=m
CONFIG_MA600_DONGLE=m
CONFIG_GIRBIL_DONGLE=m
CONFIG_MCP2120_DONGLE=m
CONFIG_OLD_BELKIN_DONGLE=m
CONFIG_ACT200L_DONGLE=m
CONFIG_KINGSUN_DONGLE=m
CONFIG_KSDAZZLE_DONGLE=m
CONFIG_KS959_DONGLE=m
#
# FIR device drivers
#
CONFIG_USB_IRDA=m
CONFIG_SIGMATEL_FIR=m
CONFIG_NSC_FIR=m
CONFIG_WINBOND_FIR=m
CONFIG_TOSHIBA_FIR=m
CONFIG_SMC_IRCC_FIR=m
CONFIG_ALI_FIR=m
CONFIG_VLSI_FIR=m
CONFIG_VIA_FIR=m
CONFIG_MCS_FIR=m
CONFIG_BT=m
CONFIG_BT_RFCOMM=m
CONFIG_BT_RFCOMM_TTY=y
CONFIG_BT_BNEP=m
CONFIG_BT_BNEP_MC_FILTER=y
CONFIG_BT_BNEP_PROTO_FILTER=y
CONFIG_BT_CMTP=m
CONFIG_BT_HIDP=m
#
# Bluetooth device drivers
#
CONFIG_BT_HCIBTUSB=m
CONFIG_BT_HCIBTSDIO=m
CONFIG_BT_HCIUART=m
CONFIG_BT_HCIUART_H4=y
CONFIG_BT_HCIUART_BCSP=y
CONFIG_BT_HCIUART_ATH3K=y
CONFIG_BT_HCIUART_LL=y
CONFIG_BT_HCIBCM203X=m
CONFIG_BT_HCIBPA10X=m
CONFIG_BT_HCIBFUSB=m
CONFIG_BT_HCIDTL1=m
CONFIG_BT_HCIBT3C=m
CONFIG_BT_HCIBLUECARD=m
CONFIG_BT_HCIBTUART=m
CONFIG_BT_HCIVHCI=m
CONFIG_BT_MRVL=m
CONFIG_BT_MRVL_SDIO=m
CONFIG_BT_ATH3K=m
CONFIG_BT_WILINK=m
CONFIG_AF_RXRPC=m
CONFIG_AF_RXRPC_DEBUG=y
CONFIG_RXKAD=m
CONFIG_FIB_RULES=y
CONFIG_WIRELESS=y
CONFIG_WIRELESS_EXT=y
CONFIG_WEXT_CORE=y
CONFIG_WEXT_PROC=y
CONFIG_WEXT_SPY=y
CONFIG_WEXT_PRIV=y
CONFIG_CFG80211=m
CONFIG_NL80211_TESTMODE=y
CONFIG_CFG80211_DEVELOPER_WARNINGS=y
CONFIG_CFG80211_REG_DEBUG=y
CONFIG_CFG80211_DEFAULT_PS=y
CONFIG_CFG80211_DEBUGFS=y
CONFIG_CFG80211_INTERNAL_REGDB=y
CONFIG_CFG80211_WEXT=y
CONFIG_WIRELESS_EXT_SYSFS=y
CONFIG_LIB80211=m
CONFIG_LIB80211_CRYPT_WEP=m
CONFIG_LIB80211_CRYPT_CCMP=m
CONFIG_LIB80211_CRYPT_TKIP=m
CONFIG_LIB80211_DEBUG=y
CONFIG_MAC80211=m
CONFIG_MAC80211_HAS_RC=y
CONFIG_MAC80211_RC_PID=y
CONFIG_MAC80211_RC_MINSTREL=y
CONFIG_MAC80211_RC_MINSTREL_HT=y
# CONFIG_MAC80211_RC_DEFAULT_PID is not set
CONFIG_MAC80211_RC_DEFAULT_MINSTREL=y
CONFIG_MAC80211_RC_DEFAULT="minstrel_ht"
CONFIG_MAC80211_MESH=y
CONFIG_MAC80211_LEDS=y
CONFIG_MAC80211_DEBUGFS=y
CONFIG_MAC80211_DEBUG_MENU=y
CONFIG_MAC80211_NOINLINE=y
CONFIG_MAC80211_VERBOSE_DEBUG=y
CONFIG_MAC80211_HT_DEBUG=y
CONFIG_MAC80211_TKIP_DEBUG=y
CONFIG_MAC80211_IBSS_DEBUG=y
CONFIG_MAC80211_VERBOSE_PS_DEBUG=y
CONFIG_MAC80211_VERBOSE_MPL_DEBUG=y
CONFIG_MAC80211_VERBOSE_MPATH_DEBUG=y
CONFIG_MAC80211_VERBOSE_MHWMP_DEBUG=y
CONFIG_MAC80211_VERBOSE_TDLS_DEBUG=y
CONFIG_MAC80211_DEBUG_COUNTERS=y
CONFIG_WIMAX=m
CONFIG_WIMAX_DEBUG_LEVEL=8
CONFIG_RFKILL=m
CONFIG_RFKILL_LEDS=y
CONFIG_RFKILL_INPUT=y
CONFIG_RFKILL_REGULATOR=m
CONFIG_NET_9P=y
CONFIG_NET_9P_VIRTIO=y
CONFIG_NET_9P_RDMA=m
CONFIG_NET_9P_DEBUG=y
CONFIG_CAIF=m
CONFIG_CAIF_DEBUG=y
CONFIG_CAIF_NETDEV=m
CONFIG_CAIF_USB=m
CONFIG_CEPH_LIB=m
CONFIG_CEPH_LIB_PRETTYDEBUG=y
CONFIG_CEPH_LIB_USE_DNS_RESOLVER=y
CONFIG_NFC=m
CONFIG_NFC_NCI=m
CONFIG_NFC_LLCP=y
#
# Near Field Communication (NFC) devices
#
CONFIG_PN544_NFC=m
CONFIG_NFC_PN533=m
CONFIG_NFC_WILINK=m
#
# Device Drivers
#
#
# Generic Driver Options
#
CONFIG_UEVENT_HELPER_PATH=""
CONFIG_DEVTMPFS=y
CONFIG_DEVTMPFS_MOUNT=y
CONFIG_STANDALONE=y
CONFIG_PREVENT_FIRMWARE_BUILD=y
CONFIG_FW_LOADER=m
CONFIG_FIRMWARE_IN_KERNEL=y
CONFIG_EXTRA_FIRMWARE=""
CONFIG_DEBUG_DRIVER=y
CONFIG_DEBUG_DEVRES=y
# CONFIG_SYS_HYPERVISOR is not set
# CONFIG_GENERIC_CPU_DEVICES is not set
CONFIG_REGMAP=y
CONFIG_REGMAP_I2C=y
CONFIG_REGMAP_SPI=y
CONFIG_REGMAP_IRQ=y
CONFIG_DMA_SHARED_BUFFER=y
CONFIG_CONNECTOR=m
CONFIG_MTD=m
CONFIG_MTD_TESTS=m
CONFIG_MTD_REDBOOT_PARTS=m
CONFIG_MTD_REDBOOT_DIRECTORY_BLOCK=-1
CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED=y
CONFIG_MTD_REDBOOT_PARTS_READONLY=y
CONFIG_MTD_AR7_PARTS=m
#
# User Modules And Translation Layers
#
CONFIG_MTD_CHAR=m
CONFIG_HAVE_MTD_OTP=y
CONFIG_MTD_BLKDEVS=m
CONFIG_MTD_BLOCK=m
CONFIG_MTD_BLOCK_RO=m
CONFIG_FTL=m
CONFIG_NFTL=m
CONFIG_NFTL_RW=y
CONFIG_INFTL=m
CONFIG_RFD_FTL=m
CONFIG_SSFDC=m
CONFIG_SM_FTL=m
CONFIG_MTD_OOPS=m
CONFIG_MTD_SWAP=m
#
# RAM/ROM/Flash chip drivers
#
CONFIG_MTD_CFI=m
CONFIG_MTD_JEDECPROBE=m
CONFIG_MTD_GEN_PROBE=m
CONFIG_MTD_CFI_ADV_OPTIONS=y
CONFIG_MTD_CFI_NOSWAP=y
# CONFIG_MTD_CFI_BE_BYTE_SWAP is not set
# CONFIG_MTD_CFI_LE_BYTE_SWAP is not set
CONFIG_MTD_CFI_GEOMETRY=y
CONFIG_MTD_MAP_BANK_WIDTH_1=y
CONFIG_MTD_MAP_BANK_WIDTH_2=y
CONFIG_MTD_MAP_BANK_WIDTH_4=y
CONFIG_MTD_MAP_BANK_WIDTH_8=y
CONFIG_MTD_MAP_BANK_WIDTH_16=y
CONFIG_MTD_MAP_BANK_WIDTH_32=y
CONFIG_MTD_CFI_I1=y
CONFIG_MTD_CFI_I2=y
CONFIG_MTD_CFI_I4=y
CONFIG_MTD_CFI_I8=y
CONFIG_MTD_OTP=y
CONFIG_MTD_CFI_INTELEXT=m
CONFIG_MTD_CFI_AMDSTD=m
CONFIG_MTD_CFI_STAA=m
CONFIG_MTD_CFI_UTIL=m
CONFIG_MTD_RAM=m
CONFIG_MTD_ROM=m
CONFIG_MTD_ABSENT=m
#
# Mapping drivers for chip access
#
CONFIG_MTD_COMPLEX_MAPPINGS=y
CONFIG_MTD_PHYSMAP=m
CONFIG_MTD_PHYSMAP_COMPAT=y
CONFIG_MTD_PHYSMAP_START=0x8000000
CONFIG_MTD_PHYSMAP_LEN=0
CONFIG_MTD_PHYSMAP_BANKWIDTH=2
CONFIG_MTD_SC520CDP=m
CONFIG_MTD_NETSC520=m
CONFIG_MTD_TS5500=m
CONFIG_MTD_SBC_GXX=m
CONFIG_MTD_SCx200_DOCFLASH=m
CONFIG_MTD_AMD76XROM=m
CONFIG_MTD_ICHXROM=m
CONFIG_MTD_ESB2ROM=m
CONFIG_MTD_CK804XROM=m
CONFIG_MTD_SCB2_FLASH=m
CONFIG_MTD_NETtel=m
CONFIG_MTD_L440GX=m
CONFIG_MTD_PCI=m
CONFIG_MTD_PCMCIA=m
CONFIG_MTD_PCMCIA_ANONYMOUS=y
CONFIG_MTD_GPIO_ADDR=m
CONFIG_MTD_INTEL_VR_NOR=m
CONFIG_MTD_PLATRAM=m
CONFIG_MTD_LATCH_ADDR=m
#
# Self-contained MTD device drivers
#
CONFIG_MTD_PMC551=m
CONFIG_MTD_PMC551_BUGFIX=y
CONFIG_MTD_PMC551_DEBUG=y
CONFIG_MTD_DATAFLASH=m
CONFIG_MTD_DATAFLASH_WRITE_VERIFY=y
CONFIG_MTD_DATAFLASH_OTP=y
CONFIG_MTD_M25P80=m
CONFIG_M25PXX_USE_FAST_READ=y
CONFIG_MTD_SST25L=m
CONFIG_MTD_SLRAM=m
CONFIG_MTD_PHRAM=m
CONFIG_MTD_MTDRAM=m
CONFIG_MTDRAM_TOTAL_SIZE=4096
CONFIG_MTDRAM_ERASE_SIZE=128
CONFIG_MTD_BLOCK2MTD=m
#
# Disk-On-Chip Device Drivers
#
CONFIG_MTD_DOC2000=m
CONFIG_MTD_DOC2001=m
CONFIG_MTD_DOC2001PLUS=m
CONFIG_MTD_DOCG3=m
CONFIG_BCH_CONST_M=14
CONFIG_BCH_CONST_T=4
CONFIG_MTD_DOCPROBE=m
CONFIG_MTD_DOCECC=m
CONFIG_MTD_DOCPROBE_ADVANCED=y
CONFIG_MTD_DOCPROBE_ADDRESS=0x0
CONFIG_MTD_DOCPROBE_HIGH=y
CONFIG_MTD_DOCPROBE_55AA=y
CONFIG_MTD_NAND_ECC=m
CONFIG_MTD_NAND_ECC_SMC=y
CONFIG_MTD_NAND=m
CONFIG_MTD_NAND_VERIFY_WRITE=y
CONFIG_MTD_NAND_BCH=m
CONFIG_MTD_NAND_ECC_BCH=y
CONFIG_MTD_SM_COMMON=m
CONFIG_MTD_NAND_MUSEUM_IDS=y
CONFIG_MTD_NAND_DENALI=m
CONFIG_MTD_NAND_DENALI_SCRATCH_REG_ADDR=0xFF108018
CONFIG_MTD_NAND_IDS=m
CONFIG_MTD_NAND_RICOH=m
CONFIG_MTD_NAND_DISKONCHIP=m
CONFIG_MTD_NAND_DISKONCHIP_PROBE_ADVANCED=y
CONFIG_MTD_NAND_DISKONCHIP_PROBE_ADDRESS=0
CONFIG_MTD_NAND_DISKONCHIP_PROBE_HIGH=y
CONFIG_MTD_NAND_DISKONCHIP_BBTWRITE=y
CONFIG_MTD_NAND_DOCG4=m
CONFIG_MTD_NAND_CAFE=m
CONFIG_MTD_NAND_CS553X=m
CONFIG_MTD_NAND_NANDSIM=m
CONFIG_MTD_NAND_PLATFORM=m
CONFIG_MTD_ALAUDA=m
CONFIG_MTD_ONENAND=m
CONFIG_MTD_ONENAND_VERIFY_WRITE=y
CONFIG_MTD_ONENAND_GENERIC=m
CONFIG_MTD_ONENAND_OTP=y
CONFIG_MTD_ONENAND_2X_PROGRAM=y
CONFIG_MTD_ONENAND_SIM=m
#
# LPDDR flash memory drivers
#
CONFIG_MTD_LPDDR=m
CONFIG_MTD_QINFO_PROBE=m
CONFIG_MTD_UBI=m
CONFIG_MTD_UBI_WL_THRESHOLD=4096
CONFIG_MTD_UBI_BEB_RESERVE=1
CONFIG_MTD_UBI_GLUEBI=m
# CONFIG_MTD_UBI_DEBUG is not set
CONFIG_PARPORT=m
CONFIG_PARPORT_PC=m
CONFIG_PARPORT_SERIAL=m
CONFIG_PARPORT_PC_FIFO=y
CONFIG_PARPORT_PC_SUPERIO=y
CONFIG_PARPORT_PC_PCMCIA=m
# CONFIG_PARPORT_GSC is not set
CONFIG_PARPORT_AX88796=m
CONFIG_PARPORT_1284=y
CONFIG_PARPORT_NOT_PC=y
CONFIG_PNP=y
CONFIG_PNP_DEBUG_MESSAGES=y
#
# Protocols
#
CONFIG_ISAPNP=y
CONFIG_PNPBIOS=y
CONFIG_PNPBIOS_PROC_FS=y
CONFIG_PNPACPI=y
CONFIG_BLK_DEV=y
CONFIG_BLK_DEV_FD=m
CONFIG_BLK_DEV_XD=m
CONFIG_PARIDE=m
#
# Parallel IDE high-level drivers
#
CONFIG_PARIDE_PD=m
CONFIG_PARIDE_PCD=m
CONFIG_PARIDE_PF=m
CONFIG_PARIDE_PT=m
CONFIG_PARIDE_PG=m
#
# Parallel IDE protocol modules
#
CONFIG_PARIDE_ATEN=m
CONFIG_PARIDE_BPCK=m
CONFIG_PARIDE_BPCK6=m
CONFIG_PARIDE_COMM=m
CONFIG_PARIDE_DSTR=m
CONFIG_PARIDE_FIT2=m
CONFIG_PARIDE_FIT3=m
CONFIG_PARIDE_EPAT=m
CONFIG_PARIDE_EPATC8=y
CONFIG_PARIDE_EPIA=m
CONFIG_PARIDE_FRIQ=m
CONFIG_PARIDE_FRPW=m
CONFIG_PARIDE_KBIC=m
CONFIG_PARIDE_KTTI=m
CONFIG_PARIDE_ON20=m
CONFIG_PARIDE_ON26=m
CONFIG_BLK_DEV_PCIESSD_MTIP32XX=m
CONFIG_BLK_CPQ_DA=m
CONFIG_BLK_CPQ_CISS_DA=m
CONFIG_CISS_SCSI_TAPE=y
CONFIG_BLK_DEV_DAC960=m
CONFIG_BLK_DEV_UMEM=m
# CONFIG_BLK_DEV_COW_COMMON is not set
CONFIG_BLK_DEV_LOOP=m
CONFIG_BLK_DEV_LOOP_MIN_COUNT=8
CONFIG_BLK_DEV_CRYPTOLOOP=m
CONFIG_BLK_DEV_DRBD=m
CONFIG_DRBD_FAULT_INJECTION=y
CONFIG_BLK_DEV_NBD=m
CONFIG_BLK_DEV_NVME=m
CONFIG_BLK_DEV_OSD=m
CONFIG_BLK_DEV_SX8=m
CONFIG_BLK_DEV_UB=m
CONFIG_BLK_DEV_RAM=m
CONFIG_BLK_DEV_RAM_COUNT=16
CONFIG_BLK_DEV_RAM_SIZE=4096
CONFIG_BLK_DEV_XIP=y
CONFIG_CDROM_PKTCDVD=m
CONFIG_CDROM_PKTCDVD_BUFFERS=8
CONFIG_CDROM_PKTCDVD_WCACHE=y
CONFIG_ATA_OVER_ETH=m
CONFIG_VIRTIO_BLK=y
CONFIG_BLK_DEV_HD=y
CONFIG_BLK_DEV_RBD=m
#
# Misc devices
#
CONFIG_SENSORS_LIS3LV02D=m
CONFIG_AD525X_DPOT=m
CONFIG_AD525X_DPOT_I2C=m
CONFIG_AD525X_DPOT_SPI=m
CONFIG_IBM_ASM=m
CONFIG_PHANTOM=m
CONFIG_INTEL_MID_PTI=m
CONFIG_SGI_IOC4=m
CONFIG_TIFM_CORE=m
CONFIG_TIFM_7XX1=m
CONFIG_ICS932S401=m
CONFIG_ENCLOSURE_SERVICES=m
CONFIG_CS5535_MFGPT=m
CONFIG_CS5535_MFGPT_DEFAULT_IRQ=7
CONFIG_CS5535_CLOCK_EVENT_SRC=m
CONFIG_HP_ILO=m
CONFIG_APDS9802ALS=m
CONFIG_ISL29003=m
CONFIG_ISL29020=m
CONFIG_SENSORS_TSL2550=m
CONFIG_SENSORS_BH1780=m
CONFIG_SENSORS_BH1770=m
CONFIG_SENSORS_APDS990X=m
CONFIG_HMC6352=m
CONFIG_DS1682=m
CONFIG_TI_DAC7512=m
CONFIG_VMWARE_BALLOON=m
# CONFIG_BMP085 is not set
CONFIG_PCH_PHUB=m
CONFIG_USB_SWITCH_FSA9480=m
# CONFIG_MAX8997_MUIC is not set
CONFIG_C2PORT=m
CONFIG_C2PORT_DURAMAR_2150=m
#
# EEPROM support
#
CONFIG_EEPROM_AT24=m
CONFIG_EEPROM_AT25=m
CONFIG_EEPROM_LEGACY=m
CONFIG_EEPROM_MAX6875=m
CONFIG_EEPROM_93CX6=m
CONFIG_EEPROM_93XX46=m
CONFIG_CB710_CORE=m
CONFIG_CB710_DEBUG=y
CONFIG_CB710_DEBUG_ASSUMPTIONS=y
CONFIG_IWMC3200TOP=m
CONFIG_IWMC3200TOP_DEBUG=y
CONFIG_IWMC3200TOP_DEBUGFS=y
#
# Texas Instruments shared transport line discipline
#
CONFIG_TI_ST=m
CONFIG_SENSORS_LIS3_I2C=m
#
# Altera FPGA firmware download module
#
CONFIG_ALTERA_STAPL=m
CONFIG_HAVE_IDE=y
CONFIG_IDE=y
#
# Please see Documentation/ide/ide.txt for help/info on IDE drives
#
CONFIG_IDE_XFER_MODE=y
CONFIG_IDE_TIMINGS=y
CONFIG_IDE_ATAPI=y
CONFIG_IDE_LEGACY=y
CONFIG_BLK_DEV_IDE_SATA=y
CONFIG_IDE_GD=m
CONFIG_IDE_GD_ATA=y
CONFIG_IDE_GD_ATAPI=y
CONFIG_BLK_DEV_IDECS=m
CONFIG_BLK_DEV_DELKIN=m
CONFIG_BLK_DEV_IDECD=m
CONFIG_BLK_DEV_IDECD_VERBOSE_ERRORS=y
CONFIG_BLK_DEV_IDETAPE=m
CONFIG_BLK_DEV_IDEACPI=y
CONFIG_IDE_TASK_IOCTL=y
CONFIG_IDE_PROC_FS=y
#
# IDE chipset support/bugfixes
#
CONFIG_IDE_GENERIC=m
CONFIG_BLK_DEV_PLATFORM=m
CONFIG_BLK_DEV_CMD640=m
CONFIG_BLK_DEV_CMD640_ENHANCED=y
CONFIG_BLK_DEV_IDEPNP=m
CONFIG_BLK_DEV_IDEDMA_SFF=y
#
# PCI IDE chipsets support
#
CONFIG_BLK_DEV_IDEPCI=y
CONFIG_IDEPCI_PCIBUS_ORDER=y
CONFIG_BLK_DEV_OFFBOARD=y
CONFIG_BLK_DEV_GENERIC=m
CONFIG_BLK_DEV_OPTI621=m
CONFIG_BLK_DEV_RZ1000=m
CONFIG_BLK_DEV_IDEDMA_PCI=y
CONFIG_BLK_DEV_AEC62XX=m
CONFIG_BLK_DEV_ALI15X3=m
CONFIG_BLK_DEV_AMD74XX=m
CONFIG_BLK_DEV_ATIIXP=m
CONFIG_BLK_DEV_CMD64X=m
CONFIG_BLK_DEV_TRIFLEX=m
CONFIG_BLK_DEV_CS5520=m
CONFIG_BLK_DEV_CS5530=m
CONFIG_BLK_DEV_CS5535=m
CONFIG_BLK_DEV_CS5536=m
CONFIG_BLK_DEV_HPT366=m
CONFIG_BLK_DEV_JMICRON=m
CONFIG_BLK_DEV_SC1200=m
CONFIG_BLK_DEV_PIIX=m
CONFIG_BLK_DEV_IT8172=m
CONFIG_BLK_DEV_IT8213=m
CONFIG_BLK_DEV_IT821X=m
CONFIG_BLK_DEV_NS87415=m
CONFIG_BLK_DEV_PDC202XX_OLD=m
CONFIG_BLK_DEV_PDC202XX_NEW=m
CONFIG_BLK_DEV_SVWKS=m
CONFIG_BLK_DEV_SIIMAGE=m
CONFIG_BLK_DEV_SIS5513=m
CONFIG_BLK_DEV_SLC90E66=m
CONFIG_BLK_DEV_TRM290=m
CONFIG_BLK_DEV_VIA82CXXX=m
CONFIG_BLK_DEV_TC86C001=m
#
# Other IDE chipsets support
#
#
# Note: most of these also require special kernel boot parameters
#
CONFIG_BLK_DEV_4DRIVES=m
CONFIG_BLK_DEV_ALI14XX=m
CONFIG_BLK_DEV_DTC2278=m
CONFIG_BLK_DEV_HT6560B=m
CONFIG_BLK_DEV_QD65XX=m
CONFIG_BLK_DEV_UMC8672=m
CONFIG_BLK_DEV_IDEDMA=y
#
# SCSI device support
#
CONFIG_SCSI_MOD=m
CONFIG_RAID_ATTRS=m
CONFIG_SCSI=m
CONFIG_SCSI_DMA=y
CONFIG_SCSI_TGT=m
CONFIG_SCSI_NETLINK=y
CONFIG_SCSI_PROC_FS=y
#
# SCSI support type (disk, tape, CD-ROM)
#
CONFIG_BLK_DEV_SD=m
CONFIG_CHR_DEV_ST=m
CONFIG_CHR_DEV_OSST=m
CONFIG_BLK_DEV_SR=m
CONFIG_BLK_DEV_SR_VENDOR=y
CONFIG_CHR_DEV_SG=m
CONFIG_CHR_DEV_SCH=m
CONFIG_SCSI_ENCLOSURE=m
CONFIG_SCSI_MULTI_LUN=y
CONFIG_SCSI_CONSTANTS=y
CONFIG_SCSI_LOGGING=y
CONFIG_SCSI_SCAN_ASYNC=y
CONFIG_SCSI_WAIT_SCAN=m
#
# SCSI Transports
#
CONFIG_SCSI_SPI_ATTRS=m
CONFIG_SCSI_FC_ATTRS=m
CONFIG_SCSI_FC_TGT_ATTRS=y
CONFIG_SCSI_ISCSI_ATTRS=m
CONFIG_SCSI_SAS_ATTRS=m
CONFIG_SCSI_SAS_LIBSAS=m
CONFIG_SCSI_SAS_ATA=y
CONFIG_SCSI_SAS_HOST_SMP=y
CONFIG_SCSI_SRP_ATTRS=m
CONFIG_SCSI_SRP_TGT_ATTRS=y
CONFIG_SCSI_LOWLEVEL=y
CONFIG_ISCSI_TCP=m
CONFIG_ISCSI_BOOT_SYSFS=m
CONFIG_SCSI_CXGB3_ISCSI=m
CONFIG_SCSI_CXGB4_ISCSI=m
CONFIG_SCSI_BNX2_ISCSI=m
CONFIG_SCSI_BNX2X_FCOE=m
CONFIG_BE2ISCSI=m
CONFIG_BLK_DEV_3W_XXXX_RAID=m
CONFIG_SCSI_HPSA=m
CONFIG_SCSI_3W_9XXX=m
CONFIG_SCSI_3W_SAS=m
CONFIG_SCSI_7000FASST=m
CONFIG_SCSI_ACARD=m
CONFIG_SCSI_AHA152X=m
CONFIG_SCSI_AHA1542=m
CONFIG_SCSI_AHA1740=m
CONFIG_SCSI_AACRAID=m
CONFIG_SCSI_AIC7XXX=m
CONFIG_AIC7XXX_CMDS_PER_DEVICE=32
CONFIG_AIC7XXX_RESET_DELAY_MS=5000
CONFIG_AIC7XXX_DEBUG_ENABLE=y
CONFIG_AIC7XXX_DEBUG_MASK=0
CONFIG_AIC7XXX_REG_PRETTY_PRINT=y
CONFIG_SCSI_AIC7XXX_OLD=m
CONFIG_SCSI_AIC79XX=m
CONFIG_AIC79XX_CMDS_PER_DEVICE=32
CONFIG_AIC79XX_RESET_DELAY_MS=5000
CONFIG_AIC79XX_DEBUG_ENABLE=y
CONFIG_AIC79XX_DEBUG_MASK=0
CONFIG_AIC79XX_REG_PRETTY_PRINT=y
CONFIG_SCSI_AIC94XX=m
CONFIG_AIC94XX_DEBUG=y
CONFIG_SCSI_MVSAS=m
CONFIG_SCSI_MVSAS_DEBUG=y
CONFIG_SCSI_MVSAS_TASKLET=y
CONFIG_SCSI_MVUMI=m
CONFIG_SCSI_DPT_I2O=m
CONFIG_SCSI_ADVANSYS=m
CONFIG_SCSI_IN2000=m
CONFIG_SCSI_ARCMSR=m
CONFIG_MEGARAID_NEWGEN=y
CONFIG_MEGARAID_MM=m
CONFIG_MEGARAID_MAILBOX=m
CONFIG_MEGARAID_LEGACY=m
CONFIG_MEGARAID_SAS=m
CONFIG_SCSI_MPT2SAS=m
CONFIG_SCSI_MPT2SAS_MAX_SGE=128
CONFIG_SCSI_MPT2SAS_LOGGING=y
CONFIG_SCSI_UFSHCD=m
CONFIG_SCSI_HPTIOP=m
CONFIG_SCSI_BUSLOGIC=m
CONFIG_SCSI_FLASHPOINT=y
CONFIG_VMWARE_PVSCSI=m
CONFIG_HYPERV_STORAGE=m
CONFIG_LIBFC=m
CONFIG_LIBFCOE=m
CONFIG_FCOE=m
CONFIG_FCOE_FNIC=m
CONFIG_SCSI_DMX3191D=m
CONFIG_SCSI_DTC3280=m
CONFIG_SCSI_EATA=m
CONFIG_SCSI_EATA_TAGGED_QUEUE=y
CONFIG_SCSI_EATA_LINKED_COMMANDS=y
CONFIG_SCSI_EATA_MAX_TAGS=16
CONFIG_SCSI_FUTURE_DOMAIN=m
CONFIG_SCSI_GDTH=m
CONFIG_SCSI_ISCI=m
CONFIG_SCSI_GENERIC_NCR5380=m
CONFIG_SCSI_GENERIC_NCR5380_MMIO=m
CONFIG_SCSI_GENERIC_NCR53C400=y
CONFIG_SCSI_IPS=m
CONFIG_SCSI_INITIO=m
CONFIG_SCSI_INIA100=m
CONFIG_SCSI_PPA=m
CONFIG_SCSI_IMM=m
CONFIG_SCSI_IZIP_EPP16=y
CONFIG_SCSI_IZIP_SLOW_CTR=y
CONFIG_SCSI_NCR53C406A=m
CONFIG_SCSI_STEX=m
CONFIG_SCSI_SYM53C8XX_2=m
CONFIG_SCSI_SYM53C8XX_DMA_ADDRESSING_MODE=1
CONFIG_SCSI_SYM53C8XX_DEFAULT_TAGS=16
CONFIG_SCSI_SYM53C8XX_MAX_TAGS=64
CONFIG_SCSI_SYM53C8XX_MMIO=y
CONFIG_SCSI_IPR=m
CONFIG_SCSI_IPR_TRACE=y
CONFIG_SCSI_IPR_DUMP=y
CONFIG_SCSI_PAS16=m
CONFIG_SCSI_QLOGIC_FAS=m
CONFIG_SCSI_QLOGIC_1280=m
CONFIG_SCSI_QLA_FC=m
CONFIG_SCSI_QLA_ISCSI=m
# CONFIG_SCSI_LPFC is not set
CONFIG_SCSI_SIM710=m
CONFIG_SCSI_SYM53C416=m
CONFIG_SCSI_DC395x=m
CONFIG_SCSI_DC390T=m
CONFIG_SCSI_T128=m
CONFIG_SCSI_U14_34F=m
CONFIG_SCSI_U14_34F_TAGGED_QUEUE=y
CONFIG_SCSI_U14_34F_LINKED_COMMANDS=y
CONFIG_SCSI_U14_34F_MAX_TAGS=8
CONFIG_SCSI_ULTRASTOR=m
CONFIG_SCSI_NSP32=m
CONFIG_SCSI_DEBUG=m
CONFIG_SCSI_PMCRAID=m
CONFIG_SCSI_PM8001=m
CONFIG_SCSI_SRP=m
CONFIG_SCSI_BFA_FC=m
CONFIG_SCSI_VIRTIO=m
CONFIG_SCSI_LOWLEVEL_PCMCIA=y
CONFIG_PCMCIA_AHA152X=m
CONFIG_PCMCIA_FDOMAIN=m
CONFIG_PCMCIA_NINJA_SCSI=m
CONFIG_PCMCIA_QLOGIC=m
CONFIG_PCMCIA_SYM53C500=m
CONFIG_SCSI_DH=m
CONFIG_SCSI_DH_RDAC=m
CONFIG_SCSI_DH_HP_SW=m
CONFIG_SCSI_DH_EMC=m
CONFIG_SCSI_DH_ALUA=m
CONFIG_SCSI_OSD_INITIATOR=m
CONFIG_SCSI_OSD_ULD=m
CONFIG_SCSI_OSD_DPRINT_SENSE=1
CONFIG_SCSI_OSD_DEBUG=y
CONFIG_ATA=m
# CONFIG_ATA_NONSTANDARD is not set
CONFIG_ATA_VERBOSE_ERROR=y
CONFIG_ATA_ACPI=y
CONFIG_SATA_PMP=y
#
# Controllers with non-SFF native interface
#
CONFIG_SATA_AHCI=m
CONFIG_SATA_AHCI_PLATFORM=m
CONFIG_SATA_INIC162X=m
CONFIG_SATA_ACARD_AHCI=m
CONFIG_SATA_SIL24=m
CONFIG_ATA_SFF=y
#
# SFF controllers with custom DMA interface
#
CONFIG_PDC_ADMA=m
CONFIG_SATA_QSTOR=m
CONFIG_SATA_SX4=m
CONFIG_ATA_BMDMA=y
#
# SATA SFF controllers with BMDMA
#
CONFIG_ATA_PIIX=m
CONFIG_SATA_MV=m
CONFIG_SATA_NV=m
CONFIG_SATA_PROMISE=m
CONFIG_SATA_SIL=m
CONFIG_SATA_SIS=m
CONFIG_SATA_SVW=m
CONFIG_SATA_ULI=m
CONFIG_SATA_VIA=m
CONFIG_SATA_VITESSE=m
#
# PATA SFF controllers with BMDMA
#
CONFIG_PATA_ALI=m
CONFIG_PATA_AMD=m
CONFIG_PATA_ARASAN_CF=m
CONFIG_PATA_ARTOP=m
CONFIG_PATA_ATIIXP=m
CONFIG_PATA_ATP867X=m
CONFIG_PATA_CMD64X=m
CONFIG_PATA_CS5520=m
CONFIG_PATA_CS5530=m
CONFIG_PATA_CS5535=m
CONFIG_PATA_CS5536=m
CONFIG_PATA_CYPRESS=m
CONFIG_PATA_EFAR=m
CONFIG_PATA_HPT366=m
CONFIG_PATA_HPT37X=m
CONFIG_PATA_HPT3X2N=m
CONFIG_PATA_HPT3X3=m
CONFIG_PATA_HPT3X3_DMA=y
CONFIG_PATA_IT8213=m
CONFIG_PATA_IT821X=m
CONFIG_PATA_JMICRON=m
CONFIG_PATA_MARVELL=m
CONFIG_PATA_NETCELL=m
CONFIG_PATA_NINJA32=m
CONFIG_PATA_NS87415=m
CONFIG_PATA_OLDPIIX=m
CONFIG_PATA_OPTIDMA=m
CONFIG_PATA_PDC2027X=m
CONFIG_PATA_PDC_OLD=m
CONFIG_PATA_RADISYS=m
CONFIG_PATA_RDC=m
CONFIG_PATA_SC1200=m
CONFIG_PATA_SCH=m
CONFIG_PATA_SERVERWORKS=m
CONFIG_PATA_SIL680=m
CONFIG_PATA_SIS=m
CONFIG_PATA_TOSHIBA=m
CONFIG_PATA_TRIFLEX=m
CONFIG_PATA_VIA=m
CONFIG_PATA_WINBOND=m
#
# PIO-only SFF controllers
#
CONFIG_PATA_CMD640_PCI=m
CONFIG_PATA_ISAPNP=m
CONFIG_PATA_MPIIX=m
CONFIG_PATA_NS87410=m
CONFIG_PATA_OPTI=m
CONFIG_PATA_PCMCIA=m
CONFIG_PATA_PLATFORM=m
CONFIG_PATA_QDI=m
CONFIG_PATA_RZ1000=m
CONFIG_PATA_WINBOND_VLB=m
#
# Generic fallback / legacy drivers
#
CONFIG_PATA_ACPI=m
CONFIG_ATA_GENERIC=m
CONFIG_PATA_LEGACY=m
CONFIG_MD=y
CONFIG_BLK_DEV_MD=m
CONFIG_MD_LINEAR=m
CONFIG_MD_RAID0=m
CONFIG_MD_RAID1=m
CONFIG_MD_RAID10=m
CONFIG_MD_RAID456=m
CONFIG_MULTICORE_RAID456=y
CONFIG_MD_MULTIPATH=m
CONFIG_MD_FAULTY=m
CONFIG_BLK_DEV_DM=m
CONFIG_DM_DEBUG=y
CONFIG_DM_BUFIO=m
CONFIG_DM_PERSISTENT_DATA=m
CONFIG_DM_CRYPT=m
CONFIG_DM_SNAPSHOT=m
CONFIG_DM_THIN_PROVISIONING=m
CONFIG_DM_DEBUG_BLOCK_STACK_TRACING=y
CONFIG_DM_DEBUG_SPACE_MAPS=y
CONFIG_DM_MIRROR=m
CONFIG_DM_RAID=m
CONFIG_DM_LOG_USERSPACE=m
CONFIG_DM_ZERO=m
CONFIG_DM_MULTIPATH=m
CONFIG_DM_MULTIPATH_QL=m
CONFIG_DM_MULTIPATH_ST=m
CONFIG_DM_DELAY=m
CONFIG_DM_UEVENT=y
CONFIG_DM_FLAKEY=m
CONFIG_DM_VERITY=m
CONFIG_TARGET_CORE=m
CONFIG_TCM_IBLOCK=m
CONFIG_TCM_FILEIO=m
CONFIG_TCM_PSCSI=m
CONFIG_LOOPBACK_TARGET=m
CONFIG_TCM_FC=m
CONFIG_ISCSI_TARGET=m
CONFIG_FUSION=y
CONFIG_FUSION_SPI=m
CONFIG_FUSION_FC=m
CONFIG_FUSION_SAS=m
CONFIG_FUSION_MAX_SGE=128
CONFIG_FUSION_CTL=m
CONFIG_FUSION_LAN=m
CONFIG_FUSION_LOGGING=y
#
# IEEE 1394 (FireWire) support
#
CONFIG_FIREWIRE=m
CONFIG_FIREWIRE_OHCI=m
CONFIG_FIREWIRE_SBP2=m
CONFIG_FIREWIRE_NET=m
CONFIG_FIREWIRE_NOSY=m
CONFIG_I2O=m
CONFIG_I2O_LCT_NOTIFY_ON_CHANGES=y
CONFIG_I2O_EXT_ADAPTEC=y
CONFIG_I2O_EXT_ADAPTEC_DMA64=y
CONFIG_I2O_CONFIG=m
CONFIG_I2O_CONFIG_OLD_IOCTL=y
CONFIG_I2O_BUS=m
CONFIG_I2O_BLOCK=m
CONFIG_I2O_SCSI=m
CONFIG_I2O_PROC=m
CONFIG_MACINTOSH_DRIVERS=y
CONFIG_MAC_EMUMOUSEBTN=m
CONFIG_NETDEVICES=y
CONFIG_NET_CORE=y
CONFIG_BONDING=m
CONFIG_DUMMY=m
CONFIG_EQUALIZER=m
CONFIG_NET_FC=y
CONFIG_MII=m
CONFIG_IEEE802154_DRIVERS=m
CONFIG_IEEE802154_FAKEHARD=m
CONFIG_IFB=m
CONFIG_NET_TEAM=m
CONFIG_NET_TEAM_MODE_ROUNDROBIN=m
CONFIG_NET_TEAM_MODE_ACTIVEBACKUP=m
CONFIG_MACVLAN=m
CONFIG_MACVTAP=m
CONFIG_NETCONSOLE=m
CONFIG_NETCONSOLE_DYNAMIC=y
CONFIG_NETPOLL=y
CONFIG_NETPOLL_TRAP=y
CONFIG_NET_POLL_CONTROLLER=y
CONFIG_RIONET=m
CONFIG_RIONET_TX_SIZE=128
CONFIG_RIONET_RX_SIZE=128
CONFIG_TUN=m
CONFIG_VETH=m
CONFIG_VIRTIO_NET=y
CONFIG_SUNGEM_PHY=m
CONFIG_ARCNET=m
CONFIG_ARCNET_1201=m
CONFIG_ARCNET_1051=m
CONFIG_ARCNET_RAW=m
CONFIG_ARCNET_CAP=m
CONFIG_ARCNET_COM90xx=m
CONFIG_ARCNET_COM90xxIO=m
CONFIG_ARCNET_RIM_I=m
CONFIG_ARCNET_COM20020=m
CONFIG_ARCNET_COM20020_ISA=m
CONFIG_ARCNET_COM20020_PCI=m
CONFIG_ARCNET_COM20020_CS=m
CONFIG_ATM_DRIVERS=y
CONFIG_ATM_DUMMY=m
CONFIG_ATM_TCP=m
CONFIG_ATM_LANAI=m
CONFIG_ATM_ENI=m
CONFIG_ATM_ENI_DEBUG=y
CONFIG_ATM_ENI_TUNE_BURST=y
CONFIG_ATM_ENI_BURST_TX_16W=y
CONFIG_ATM_ENI_BURST_TX_8W=y
CONFIG_ATM_ENI_BURST_TX_4W=y
CONFIG_ATM_ENI_BURST_TX_2W=y
CONFIG_ATM_ENI_BURST_RX_16W=y
CONFIG_ATM_ENI_BURST_RX_8W=y
CONFIG_ATM_ENI_BURST_RX_4W=y
CONFIG_ATM_ENI_BURST_RX_2W=y
CONFIG_ATM_FIRESTREAM=m
CONFIG_ATM_ZATM=m
CONFIG_ATM_ZATM_DEBUG=y
CONFIG_ATM_NICSTAR=m
CONFIG_ATM_NICSTAR_USE_SUNI=y
CONFIG_ATM_NICSTAR_USE_IDT77105=y
CONFIG_ATM_IDT77252=m
CONFIG_ATM_IDT77252_DEBUG=y
CONFIG_ATM_IDT77252_RCV_ALL=y
CONFIG_ATM_IDT77252_USE_SUNI=y
CONFIG_ATM_AMBASSADOR=m
CONFIG_ATM_AMBASSADOR_DEBUG=y
CONFIG_ATM_HORIZON=m
CONFIG_ATM_HORIZON_DEBUG=y
CONFIG_ATM_IA=m
CONFIG_ATM_IA_DEBUG=y
CONFIG_ATM_FORE200E=m
CONFIG_ATM_FORE200E_USE_TASKLET=y
CONFIG_ATM_FORE200E_TX_RETRY=16
CONFIG_ATM_FORE200E_DEBUG=0
CONFIG_ATM_HE=m
CONFIG_ATM_HE_USE_SUNI=y
CONFIG_ATM_SOLOS=m
#
# CAIF transport drivers
#
CONFIG_CAIF_TTY=m
CONFIG_CAIF_SPI_SLAVE=m
CONFIG_CAIF_SPI_SYNC=y
CONFIG_CAIF_HSI=m
#
# Distributed Switch Architecture drivers
#
CONFIG_NET_DSA_MV88E6XXX=m
CONFIG_NET_DSA_MV88E6060=m
CONFIG_NET_DSA_MV88E6XXX_NEED_PPU=y
CONFIG_NET_DSA_MV88E6131=m
CONFIG_NET_DSA_MV88E6123_61_65=m
CONFIG_ETHERNET=y
CONFIG_MDIO=m
CONFIG_NET_VENDOR_3COM=y
CONFIG_EL1=m
CONFIG_EL3=m
CONFIG_3C515=m
CONFIG_PCMCIA_3C574=m
CONFIG_PCMCIA_3C589=m
CONFIG_VORTEX=m
CONFIG_TYPHOON=m
CONFIG_NET_VENDOR_ADAPTEC=y
CONFIG_ADAPTEC_STARFIRE=m
CONFIG_NET_VENDOR_ALTEON=y
CONFIG_ACENIC=m
CONFIG_ACENIC_OMIT_TIGON_I=y
CONFIG_NET_VENDOR_AMD=y
CONFIG_AMD8111_ETH=m
CONFIG_LANCE=m
CONFIG_PCNET32=m
CONFIG_DEPCA=m
CONFIG_PCMCIA_NMCLAN=m
CONFIG_NI65=m
CONFIG_NET_VENDOR_ATHEROS=y
CONFIG_ATL2=m
CONFIG_ATL1=m
CONFIG_ATL1E=m
CONFIG_ATL1C=m
CONFIG_NET_VENDOR_BROADCOM=y
CONFIG_B44=m
CONFIG_B44_PCI_AUTOSELECT=y
CONFIG_B44_PCICORE_AUTOSELECT=y
CONFIG_B44_PCI=y
CONFIG_BNX2=m
CONFIG_CNIC=m
CONFIG_TIGON3=m
CONFIG_BNX2X=m
CONFIG_NET_VENDOR_BROCADE=y
CONFIG_BNA=m
CONFIG_NET_CALXEDA_XGMAC=m
CONFIG_NET_VENDOR_CHELSIO=y
CONFIG_CHELSIO_T1=m
CONFIG_CHELSIO_T1_1G=y
CONFIG_CHELSIO_T3=m
CONFIG_CHELSIO_T4=m
CONFIG_CHELSIO_T4VF=m
CONFIG_NET_VENDOR_CIRRUS=y
CONFIG_CS89x0=m
CONFIG_CS89x0_PLATFORM=y
CONFIG_NET_VENDOR_CISCO=y
CONFIG_ENIC=m
CONFIG_DNET=m
CONFIG_NET_VENDOR_DEC=y
CONFIG_EWRK3=m
CONFIG_NET_TULIP=y
CONFIG_DE2104X=m
CONFIG_DE2104X_DSL=0
CONFIG_TULIP=m
CONFIG_TULIP_MWI=y
CONFIG_TULIP_MMIO=y
CONFIG_TULIP_NAPI=y
CONFIG_TULIP_NAPI_HW_MITIGATION=y
CONFIG_DE4X5=m
CONFIG_WINBOND_840=m
CONFIG_DM9102=m
CONFIG_ULI526X=m
CONFIG_PCMCIA_XIRCOM=m
CONFIG_NET_VENDOR_DLINK=y
CONFIG_DE600=m
CONFIG_DE620=m
CONFIG_DL2K=m
CONFIG_SUNDANCE=m
CONFIG_SUNDANCE_MMIO=y
CONFIG_NET_VENDOR_EMULEX=y
CONFIG_BE2NET=m
CONFIG_NET_VENDOR_EXAR=y
CONFIG_S2IO=m
CONFIG_VXGE=m
CONFIG_VXGE_DEBUG_TRACE_ALL=y
CONFIG_NET_VENDOR_FUJITSU=y
CONFIG_AT1700=m
CONFIG_PCMCIA_FMVJ18X=m
CONFIG_ETH16I=m
CONFIG_NET_VENDOR_HP=y
CONFIG_HP100=m
CONFIG_NET_VENDOR_INTEL=y
CONFIG_E100=m
CONFIG_E1000=m
CONFIG_E1000E=m
CONFIG_IGB=m
CONFIG_IGB_DCA=y
CONFIG_IGBVF=m
CONFIG_IXGB=m
CONFIG_IXGBE=m
CONFIG_IXGBE_DCA=y
CONFIG_IXGBE_DCB=y
CONFIG_IXGBEVF=m
CONFIG_NET_VENDOR_I825XX=y
CONFIG_ELPLUS=m
CONFIG_EL16=m
CONFIG_APRICOT=m
CONFIG_EEXPRESS=m
CONFIG_EEXPRESS_PRO=m
CONFIG_LP486E=m
CONFIG_NI52=m
CONFIG_ZNET=m
CONFIG_IP1000=m
CONFIG_JME=m
CONFIG_NET_VENDOR_MARVELL=y
CONFIG_SKGE=m
CONFIG_SKGE_DEBUG=y
CONFIG_SKGE_GENESIS=y
CONFIG_SKY2=m
CONFIG_SKY2_DEBUG=y
CONFIG_NET_VENDOR_MELLANOX=y
CONFIG_MLX4_EN=m
CONFIG_MLX4_CORE=m
CONFIG_MLX4_DEBUG=y
CONFIG_NET_VENDOR_MICREL=y
CONFIG_KS8842=m
CONFIG_KS8851=m
CONFIG_KS8851_MLL=m
CONFIG_KSZ884X_PCI=m
CONFIG_NET_VENDOR_MICROCHIP=y
CONFIG_ENC28J60=m
CONFIG_ENC28J60_WRITEVERIFY=y
CONFIG_NET_VENDOR_MYRI=y
CONFIG_MYRI10GE=m
CONFIG_MYRI10GE_DCA=y
CONFIG_FEALNX=m
CONFIG_NET_VENDOR_NATSEMI=y
CONFIG_NATSEMI=m
CONFIG_NS83820=m
CONFIG_NET_VENDOR_8390=y
CONFIG_EL2=m
CONFIG_AC3200=m
CONFIG_PCMCIA_AXNET=m
CONFIG_E2100=m
CONFIG_ES3210=m
CONFIG_HPLAN_PLUS=m
CONFIG_HPLAN=m
CONFIG_LNE390=m
CONFIG_NE2000=m
CONFIG_NE2K_PCI=m
CONFIG_NE3210=m
CONFIG_PCMCIA_PCNET=m
CONFIG_ULTRA=m
CONFIG_ULTRA32=m
CONFIG_WD80x3=m
CONFIG_NET_VENDOR_NVIDIA=y
CONFIG_FORCEDETH=m
CONFIG_NET_VENDOR_OKI=y
CONFIG_PCH_GBE=m
CONFIG_PCH_PTP=y
CONFIG_ETHOC=m
CONFIG_NET_PACKET_ENGINE=y
CONFIG_HAMACHI=m
CONFIG_YELLOWFIN=m
CONFIG_NET_VENDOR_QLOGIC=y
CONFIG_QLA3XXX=m
CONFIG_QLCNIC=m
CONFIG_QLGE=m
CONFIG_NETXEN_NIC=m
CONFIG_NET_VENDOR_RACAL=y
CONFIG_NET_VENDOR_REALTEK=y
CONFIG_ATP=m
CONFIG_8139CP=m
CONFIG_8139TOO=m
CONFIG_8139TOO_PIO=y
CONFIG_8139TOO_TUNE_TWISTER=y
CONFIG_8139TOO_8129=y
CONFIG_8139_OLD_RX_RESET=y
CONFIG_R8169=m
CONFIG_NET_VENDOR_RDC=y
CONFIG_R6040=m
CONFIG_NET_VENDOR_SEEQ=y
CONFIG_SEEQ8005=m
CONFIG_NET_VENDOR_SILAN=y
CONFIG_SC92031=m
CONFIG_NET_VENDOR_SIS=y
CONFIG_SIS900=m
CONFIG_SIS190=m
CONFIG_SFC=m
CONFIG_SFC_MTD=y
CONFIG_SFC_MCDI_MON=y
CONFIG_SFC_SRIOV=y
CONFIG_NET_VENDOR_SMSC=y
CONFIG_SMC9194=m
CONFIG_PCMCIA_SMC91C92=m
CONFIG_EPIC100=m
CONFIG_SMSC9420=m
CONFIG_NET_VENDOR_STMICRO=y
CONFIG_STMMAC_ETH=m
CONFIG_STMMAC_PLATFORM=m
CONFIG_STMMAC_PCI=m
CONFIG_STMMAC_DEBUG_FS=y
CONFIG_STMMAC_DA=y
CONFIG_STMMAC_RING=y
# CONFIG_STMMAC_CHAINED is not set
CONFIG_NET_VENDOR_SUN=y
CONFIG_HAPPYMEAL=m
CONFIG_SUNGEM=m
CONFIG_CASSINI=m
CONFIG_NIU=m
CONFIG_NET_VENDOR_TEHUTI=y
CONFIG_TEHUTI=m
CONFIG_NET_VENDOR_TI=y
CONFIG_TLAN=m
CONFIG_NET_VENDOR_VIA=y
CONFIG_VIA_RHINE=m
CONFIG_VIA_RHINE_MMIO=y
CONFIG_VIA_VELOCITY=m
CONFIG_NET_VENDOR_XIRCOM=y
CONFIG_PCMCIA_XIRC2PS=m
CONFIG_FDDI=m
CONFIG_DEFXX=m
CONFIG_DEFXX_MMIO=y
CONFIG_SKFP=m
CONFIG_HIPPI=y
CONFIG_ROADRUNNER=m
CONFIG_ROADRUNNER_LARGE_RINGS=y
CONFIG_NET_SB1000=m
CONFIG_PHYLIB=m
#
# MII PHY device drivers
#
CONFIG_AMD_PHY=m
CONFIG_MARVELL_PHY=m
CONFIG_DAVICOM_PHY=m
CONFIG_QSEMI_PHY=m
CONFIG_LXT_PHY=m
CONFIG_CICADA_PHY=m
CONFIG_VITESSE_PHY=m
CONFIG_SMSC_PHY=m
CONFIG_BROADCOM_PHY=m
CONFIG_ICPLUS_PHY=m
CONFIG_REALTEK_PHY=m
CONFIG_NATIONAL_PHY=m
CONFIG_STE10XP=m
CONFIG_LSI_ET1011C_PHY=m
CONFIG_MICREL_PHY=m
CONFIG_MDIO_BITBANG=m
CONFIG_MDIO_GPIO=m
CONFIG_MICREL_KS8995MA=m
CONFIG_PLIP=m
CONFIG_PPP=m
CONFIG_PPP_BSDCOMP=m
CONFIG_PPP_DEFLATE=m
CONFIG_PPP_FILTER=y
CONFIG_PPP_MPPE=m
CONFIG_PPP_MULTILINK=y
CONFIG_PPPOATM=m
CONFIG_PPPOE=m
CONFIG_PPTP=m
CONFIG_PPPOL2TP=m
CONFIG_PPP_ASYNC=m
CONFIG_PPP_SYNC_TTY=m
CONFIG_SLIP=m
CONFIG_SLHC=m
CONFIG_SLIP_COMPRESSED=y
CONFIG_SLIP_SMART=y
CONFIG_SLIP_MODE_SLIP6=y
# CONFIG_TR is not set
#
# USB Network Adapters
#
CONFIG_USB_CATC=m
CONFIG_USB_KAWETH=m
CONFIG_USB_PEGASUS=m
CONFIG_USB_RTL8150=m
CONFIG_USB_USBNET=m
CONFIG_USB_NET_AX8817X=m
CONFIG_USB_NET_CDCETHER=m
CONFIG_USB_NET_CDC_EEM=m
CONFIG_USB_NET_CDC_NCM=m
CONFIG_USB_NET_DM9601=m
CONFIG_USB_NET_SMSC75XX=m
CONFIG_USB_NET_SMSC95XX=m
CONFIG_USB_NET_GL620A=m
CONFIG_USB_NET_NET1080=m
CONFIG_USB_NET_PLUSB=m
CONFIG_USB_NET_MCS7830=m
CONFIG_USB_NET_RNDIS_HOST=m
CONFIG_USB_NET_CDC_SUBSET=m
CONFIG_USB_ALI_M5632=y
CONFIG_USB_AN2720=y
CONFIG_USB_BELKIN=y
CONFIG_USB_ARMLINUX=y
CONFIG_USB_EPSON2888=y
CONFIG_USB_KC2190=y
CONFIG_USB_NET_ZAURUS=m
CONFIG_USB_NET_CX82310_ETH=m
CONFIG_USB_NET_KALMIA=m
CONFIG_USB_NET_QMI_WWAN=m
CONFIG_USB_HSO=m
CONFIG_USB_NET_INT51X1=m
CONFIG_USB_CDC_PHONET=m
CONFIG_USB_IPHETH=m
CONFIG_USB_SIERRA_NET=m
CONFIG_USB_VL600=m
CONFIG_WLAN=y
CONFIG_PCMCIA_RAYCS=m
CONFIG_LIBERTAS_THINFIRM=m
CONFIG_LIBERTAS_THINFIRM_DEBUG=y
CONFIG_LIBERTAS_THINFIRM_USB=m
CONFIG_AIRO=m
CONFIG_ATMEL=m
CONFIG_PCI_ATMEL=m
CONFIG_PCMCIA_ATMEL=m
CONFIG_AT76C50X_USB=m
CONFIG_AIRO_CS=m
CONFIG_PCMCIA_WL3501=m
CONFIG_PRISM54=m
CONFIG_USB_ZD1201=m
CONFIG_USB_NET_RNDIS_WLAN=m
CONFIG_RTL8180=m
CONFIG_RTL8187=m
CONFIG_RTL8187_LEDS=y
CONFIG_ADM8211=m
CONFIG_MAC80211_HWSIM=m
CONFIG_MWL8K=m
CONFIG_ATH_COMMON=m
CONFIG_ATH_DEBUG=y
CONFIG_ATH5K=m
CONFIG_ATH5K_DEBUG=y
CONFIG_ATH5K_TRACER=y
CONFIG_ATH5K_PCI=y
CONFIG_ATH9K_HW=m
CONFIG_ATH9K_COMMON=m
CONFIG_ATH9K_DFS_DEBUGFS=y
CONFIG_ATH9K_BTCOEX_SUPPORT=y
CONFIG_ATH9K=m
CONFIG_ATH9K_PCI=y
CONFIG_ATH9K_AHB=y
CONFIG_ATH9K_DEBUGFS=y
CONFIG_ATH9K_DFS_CERTIFIED=y
CONFIG_ATH9K_MAC_DEBUG=y
CONFIG_ATH9K_RATE_CONTROL=y
CONFIG_ATH9K_HTC=m
CONFIG_ATH9K_HTC_DEBUGFS=y
CONFIG_CARL9170=m
CONFIG_CARL9170_LEDS=y
CONFIG_CARL9170_DEBUGFS=y
CONFIG_CARL9170_WPC=y
CONFIG_CARL9170_HWRNG=y
CONFIG_ATH6KL=m
CONFIG_ATH6KL_SDIO=m
CONFIG_ATH6KL_USB=m
CONFIG_ATH6KL_DEBUG=y
CONFIG_B43=m
CONFIG_B43_BCMA=y
CONFIG_B43_BCMA_EXTRA=y
CONFIG_B43_SSB=y
CONFIG_B43_PCI_AUTOSELECT=y
CONFIG_B43_PCICORE_AUTOSELECT=y
CONFIG_B43_PCMCIA=y
CONFIG_B43_SDIO=y
CONFIG_B43_BCMA_PIO=y
CONFIG_B43_PIO=y
CONFIG_B43_PHY_N=y
CONFIG_B43_PHY_LP=y
CONFIG_B43_PHY_HT=y
CONFIG_B43_LEDS=y
CONFIG_B43_HWRNG=y
CONFIG_B43_DEBUG=y
CONFIG_B43LEGACY=m
CONFIG_B43LEGACY_PCI_AUTOSELECT=y
CONFIG_B43LEGACY_PCICORE_AUTOSELECT=y
CONFIG_B43LEGACY_LEDS=y
CONFIG_B43LEGACY_HWRNG=y
CONFIG_B43LEGACY_DEBUG=y
CONFIG_B43LEGACY_DMA=y
CONFIG_B43LEGACY_PIO=y
CONFIG_B43LEGACY_DMA_AND_PIO_MODE=y
# CONFIG_B43LEGACY_DMA_MODE is not set
# CONFIG_B43LEGACY_PIO_MODE is not set
CONFIG_BRCMUTIL=m
CONFIG_BRCMSMAC=m
CONFIG_BRCMFMAC=m
CONFIG_BRCMFMAC_SDIO=y
CONFIG_BRCMFMAC_USB=y
CONFIG_BRCMDBG=y
CONFIG_HOSTAP=m
CONFIG_HOSTAP_FIRMWARE=y
CONFIG_HOSTAP_FIRMWARE_NVRAM=y
CONFIG_HOSTAP_PLX=m
CONFIG_HOSTAP_PCI=m
CONFIG_HOSTAP_CS=m
CONFIG_IPW2100=m
CONFIG_IPW2100_MONITOR=y
CONFIG_IPW2100_DEBUG=y
CONFIG_IPW2200=m
CONFIG_IPW2200_MONITOR=y
CONFIG_IPW2200_RADIOTAP=y
CONFIG_IPW2200_PROMISCUOUS=y
CONFIG_IPW2200_QOS=y
CONFIG_IPW2200_DEBUG=y
CONFIG_LIBIPW=m
CONFIG_LIBIPW_DEBUG=y
CONFIG_IWLWIFI=m
#
# Debugging Options
#
CONFIG_IWLWIFI_DEBUG=y
CONFIG_IWLWIFI_DEBUGFS=y
CONFIG_IWLWIFI_DEBUG_EXPERIMENTAL_UCODE=y
CONFIG_IWLWIFI_DEVICE_TRACING=y
CONFIG_IWLWIFI_DEVICE_TESTMODE=y
CONFIG_IWLWIFI_P2P=y
CONFIG_IWLWIFI_EXPERIMENTAL_MFP=y
CONFIG_IWLEGACY=m
CONFIG_IWL4965=m
CONFIG_IWL3945=m
#
# iwl3945 / iwl4965 Debugging Options
#
CONFIG_IWLEGACY_DEBUG=y
CONFIG_IWLEGACY_DEBUGFS=y
CONFIG_IWM=m
CONFIG_IWM_DEBUG=y
CONFIG_IWM_TRACING=y
CONFIG_LIBERTAS=m
CONFIG_LIBERTAS_USB=m
CONFIG_LIBERTAS_CS=m
CONFIG_LIBERTAS_SDIO=m
CONFIG_LIBERTAS_SPI=m
CONFIG_LIBERTAS_DEBUG=y
CONFIG_LIBERTAS_MESH=y
CONFIG_HERMES=m
CONFIG_HERMES_PRISM=y
CONFIG_HERMES_CACHE_FW_ON_INIT=y
CONFIG_PLX_HERMES=m
CONFIG_TMD_HERMES=m
CONFIG_NORTEL_HERMES=m
CONFIG_PCI_HERMES=m
CONFIG_PCMCIA_HERMES=m
CONFIG_PCMCIA_SPECTRUM=m
CONFIG_ORINOCO_USB=m
CONFIG_P54_COMMON=m
CONFIG_P54_USB=m
CONFIG_P54_PCI=m
CONFIG_P54_SPI=m
CONFIG_P54_SPI_DEFAULT_EEPROM=y
CONFIG_P54_LEDS=y
CONFIG_RT2X00=m
CONFIG_RT2400PCI=m
CONFIG_RT2500PCI=m
CONFIG_RT61PCI=m
CONFIG_RT2800PCI=m
CONFIG_RT2800PCI_RT33XX=y
CONFIG_RT2800PCI_RT35XX=y
CONFIG_RT2800PCI_RT53XX=y
CONFIG_RT2500USB=m
CONFIG_RT73USB=m
CONFIG_RT2800USB=m
CONFIG_RT2800USB_RT33XX=y
CONFIG_RT2800USB_RT35XX=y
CONFIG_RT2800USB_RT53XX=y
CONFIG_RT2800USB_UNKNOWN=y
CONFIG_RT2800_LIB=m
CONFIG_RT2X00_LIB_PCI=m
CONFIG_RT2X00_LIB_USB=m
CONFIG_RT2X00_LIB=m
CONFIG_RT2X00_LIB_FIRMWARE=y
CONFIG_RT2X00_LIB_CRYPTO=y
CONFIG_RT2X00_LIB_LEDS=y
CONFIG_RT2X00_LIB_DEBUGFS=y
CONFIG_RT2X00_DEBUG=y
CONFIG_RTL8192CE=m
CONFIG_RTL8192SE=m
CONFIG_RTL8192DE=m
CONFIG_RTL8192CU=m
CONFIG_RTLWIFI=m
CONFIG_RTLWIFI_DEBUG=y
CONFIG_RTL8192C_COMMON=m
# CONFIG_WL1251 is not set
# CONFIG_WL12XX_MENU is not set
CONFIG_ZD1211RW=m
CONFIG_ZD1211RW_DEBUG=y
CONFIG_MWIFIEX=m
CONFIG_MWIFIEX_SDIO=m
CONFIG_MWIFIEX_PCIE=m
#
# WiMAX Wireless Broadband devices
#
CONFIG_WIMAX_I2400M=m
CONFIG_WIMAX_I2400M_USB=m
CONFIG_WIMAX_I2400M_SDIO=m
CONFIG_WIMAX_IWMC3200_SDIO=y
CONFIG_WIMAX_I2400M_DEBUG_LEVEL=8
CONFIG_WAN=y
CONFIG_HOSTESS_SV11=m
CONFIG_COSA=m
CONFIG_LANMEDIA=m
CONFIG_SEALEVEL_4021=m
CONFIG_HDLC=m
CONFIG_HDLC_RAW=m
CONFIG_HDLC_RAW_ETH=m
CONFIG_HDLC_CISCO=m
CONFIG_HDLC_FR=m
CONFIG_HDLC_PPP=m
CONFIG_HDLC_X25=m
CONFIG_PCI200SYN=m
CONFIG_WANXL=m
CONFIG_PC300TOO=m
CONFIG_N2=m
CONFIG_C101=m
CONFIG_FARSYNC=m
CONFIG_DSCC4=m
CONFIG_DSCC4_PCISYNC=y
CONFIG_DSCC4_PCI_RST=y
CONFIG_DLCI=m
CONFIG_DLCI_MAX=8
CONFIG_SDLA=m
CONFIG_WAN_ROUTER_DRIVERS=m
CONFIG_CYCLADES_SYNC=m
CONFIG_CYCLOMX_X25=y
CONFIG_LAPBETHER=m
CONFIG_X25_ASY=m
CONFIG_SBNI=m
CONFIG_SBNI_MULTILINE=y
CONFIG_VMXNET3=m
CONFIG_HYPERV_NET=m
CONFIG_ISDN=y
CONFIG_ISDN_I4L=m
CONFIG_ISDN_PPP=y
CONFIG_ISDN_PPP_VJ=y
CONFIG_ISDN_MPP=y
CONFIG_IPPP_FILTER=y
CONFIG_ISDN_PPP_BSDCOMP=m
CONFIG_ISDN_AUDIO=y
CONFIG_ISDN_TTY_FAX=y
CONFIG_ISDN_X25=y
#
# ISDN feature submodules
#
CONFIG_ISDN_DIVERSION=m
#
# ISDN4Linux hardware drivers
#
#
# Passive cards
#
CONFIG_ISDN_DRV_HISAX=m
#
# D-channel protocol features
#
CONFIG_HISAX_EURO=y
CONFIG_DE_AOC=y
CONFIG_HISAX_NO_SENDCOMPLETE=y
CONFIG_HISAX_NO_LLC=y
CONFIG_HISAX_NO_KEYPAD=y
CONFIG_HISAX_1TR6=y
CONFIG_HISAX_NI1=y
CONFIG_HISAX_MAX_CARDS=8
#
# HiSax supported cards
#
CONFIG_HISAX_16_0=y
CONFIG_HISAX_16_3=y
CONFIG_HISAX_TELESPCI=y
CONFIG_HISAX_S0BOX=y
CONFIG_HISAX_AVM_A1=y
CONFIG_HISAX_FRITZPCI=y
CONFIG_HISAX_AVM_A1_PCMCIA=y
CONFIG_HISAX_ELSA=y
CONFIG_HISAX_IX1MICROR2=y
CONFIG_HISAX_DIEHLDIVA=y
CONFIG_HISAX_ASUSCOM=y
CONFIG_HISAX_TELEINT=y
CONFIG_HISAX_HFCS=y
CONFIG_HISAX_SEDLBAUER=y
CONFIG_HISAX_SPORTSTER=y
CONFIG_HISAX_MIC=y
CONFIG_HISAX_NETJET=y
CONFIG_HISAX_NETJET_U=y
CONFIG_HISAX_NICCY=y
CONFIG_HISAX_ISURF=y
CONFIG_HISAX_HSTSAPHIR=y
CONFIG_HISAX_BKM_A4T=y
CONFIG_HISAX_SCT_QUADRO=y
CONFIG_HISAX_GAZEL=y
CONFIG_HISAX_HFC_PCI=y
CONFIG_HISAX_W6692=y
CONFIG_HISAX_HFC_SX=y
CONFIG_HISAX_ENTERNOW_PCI=y
CONFIG_HISAX_DEBUG=y
#
# HiSax PCMCIA card service modules
#
CONFIG_HISAX_SEDLBAUER_CS=m
CONFIG_HISAX_ELSA_CS=m
CONFIG_HISAX_AVM_A1_CS=m
CONFIG_HISAX_TELES_CS=m
#
# HiSax sub driver modules
#
CONFIG_HISAX_ST5481=m
CONFIG_HISAX_HFCUSB=m
CONFIG_HISAX_HFC4S8S=m
CONFIG_HISAX_FRITZ_PCIPNP=m
#
# Active cards
#
CONFIG_ISDN_DRV_ICN=m
CONFIG_ISDN_DRV_PCBIT=m
CONFIG_ISDN_DRV_SC=m
CONFIG_ISDN_DRV_ACT2000=m
CONFIG_ISDN_CAPI=m
CONFIG_ISDN_DRV_AVMB1_VERBOSE_REASON=y
CONFIG_CAPI_TRACE=y
CONFIG_ISDN_CAPI_MIDDLEWARE=y
CONFIG_ISDN_CAPI_CAPI20=m
CONFIG_ISDN_CAPI_CAPIDRV=m
#
# CAPI hardware drivers
#
CONFIG_CAPI_AVM=y
CONFIG_ISDN_DRV_AVMB1_B1ISA=m
CONFIG_ISDN_DRV_AVMB1_B1PCI=m
CONFIG_ISDN_DRV_AVMB1_B1PCIV4=y
CONFIG_ISDN_DRV_AVMB1_T1ISA=m
CONFIG_ISDN_DRV_AVMB1_B1PCMCIA=m
CONFIG_ISDN_DRV_AVMB1_AVM_CS=m
CONFIG_ISDN_DRV_AVMB1_T1PCI=m
CONFIG_ISDN_DRV_AVMB1_C4=m
# CONFIG_CAPI_EICON is not set
CONFIG_ISDN_DRV_GIGASET=m
CONFIG_GIGASET_CAPI=y
# CONFIG_GIGASET_I4L is not set
# CONFIG_GIGASET_DUMMYLL is not set
CONFIG_GIGASET_BASE=m
CONFIG_GIGASET_M105=m
CONFIG_GIGASET_M101=m
CONFIG_GIGASET_DEBUG=y
CONFIG_HYSDN=m
CONFIG_HYSDN_CAPI=y
CONFIG_MISDN=m
CONFIG_MISDN_DSP=m
CONFIG_MISDN_L1OIP=m
#
# mISDN hardware drivers
#
CONFIG_MISDN_HFCPCI=m
CONFIG_MISDN_HFCMULTI=m
CONFIG_MISDN_HFCUSB=m
CONFIG_MISDN_AVMFRITZ=m
CONFIG_MISDN_SPEEDFAX=m
CONFIG_MISDN_INFINEON=m
CONFIG_MISDN_W6692=m
CONFIG_MISDN_NETJET=m
CONFIG_MISDN_IPAC=m
CONFIG_MISDN_ISAR=m
CONFIG_ISDN_HDLC=m
#
# Input device support
#
CONFIG_INPUT=y
CONFIG_INPUT_FF_MEMLESS=m
CONFIG_INPUT_POLLDEV=m
CONFIG_INPUT_SPARSEKMAP=m
#
# Userland interfaces
#
CONFIG_INPUT_MOUSEDEV=m
CONFIG_INPUT_MOUSEDEV_PSAUX=y
CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
CONFIG_INPUT_JOYDEV=m
CONFIG_INPUT_EVDEV=m
CONFIG_INPUT_EVBUG=m
#
# Input Device Drivers
#
CONFIG_INPUT_KEYBOARD=y
CONFIG_KEYBOARD_ADP5520=m
CONFIG_KEYBOARD_ADP5588=m
CONFIG_KEYBOARD_ADP5589=m
CONFIG_KEYBOARD_ATKBD=m
CONFIG_KEYBOARD_QT1070=m
CONFIG_KEYBOARD_QT2160=m
CONFIG_KEYBOARD_LKKBD=m
CONFIG_KEYBOARD_GPIO=m
CONFIG_KEYBOARD_GPIO_POLLED=m
CONFIG_KEYBOARD_TCA6416=m
CONFIG_KEYBOARD_TCA8418=m
CONFIG_KEYBOARD_MATRIX=m
CONFIG_KEYBOARD_LM8323=m
CONFIG_KEYBOARD_MAX7359=m
CONFIG_KEYBOARD_MCS=m
CONFIG_KEYBOARD_MPR121=m
CONFIG_KEYBOARD_NEWTON=m
CONFIG_KEYBOARD_OPENCORES=m
CONFIG_KEYBOARD_STOWAWAY=m
CONFIG_KEYBOARD_SUNKBD=m
CONFIG_KEYBOARD_STMPE=m
CONFIG_KEYBOARD_OMAP4=m
CONFIG_KEYBOARD_TC3589X=m
CONFIG_KEYBOARD_TWL4030=m
CONFIG_KEYBOARD_XTKBD=m
CONFIG_INPUT_MOUSE=y
CONFIG_MOUSE_PS2=m
CONFIG_MOUSE_PS2_ALPS=y
CONFIG_MOUSE_PS2_LOGIPS2PP=y
CONFIG_MOUSE_PS2_SYNAPTICS=y
CONFIG_MOUSE_PS2_LIFEBOOK=y
CONFIG_MOUSE_PS2_TRACKPOINT=y
CONFIG_MOUSE_PS2_ELANTECH=y
CONFIG_MOUSE_PS2_SENTELIC=y
CONFIG_MOUSE_PS2_TOUCHKIT=y
CONFIG_MOUSE_SERIAL=m
CONFIG_MOUSE_APPLETOUCH=m
CONFIG_MOUSE_BCM5974=m
CONFIG_MOUSE_INPORT=m
CONFIG_MOUSE_ATIXL=y
CONFIG_MOUSE_LOGIBM=m
CONFIG_MOUSE_PC110PAD=m
CONFIG_MOUSE_VSXXXAA=m
CONFIG_MOUSE_GPIO=m
CONFIG_MOUSE_SYNAPTICS_I2C=m
CONFIG_MOUSE_SYNAPTICS_USB=m
CONFIG_INPUT_JOYSTICK=y
CONFIG_JOYSTICK_ANALOG=m
CONFIG_JOYSTICK_A3D=m
CONFIG_JOYSTICK_ADI=m
CONFIG_JOYSTICK_COBRA=m
CONFIG_JOYSTICK_GF2K=m
CONFIG_JOYSTICK_GRIP=m
CONFIG_JOYSTICK_GRIP_MP=m
CONFIG_JOYSTICK_GUILLEMOT=m
CONFIG_JOYSTICK_INTERACT=m
CONFIG_JOYSTICK_SIDEWINDER=m
CONFIG_JOYSTICK_TMDC=m
CONFIG_JOYSTICK_IFORCE=m
CONFIG_JOYSTICK_IFORCE_USB=y
CONFIG_JOYSTICK_IFORCE_232=y
CONFIG_JOYSTICK_WARRIOR=m
CONFIG_JOYSTICK_MAGELLAN=m
CONFIG_JOYSTICK_SPACEORB=m
CONFIG_JOYSTICK_SPACEBALL=m
CONFIG_JOYSTICK_STINGER=m
CONFIG_JOYSTICK_TWIDJOY=m
CONFIG_JOYSTICK_ZHENHUA=m
CONFIG_JOYSTICK_DB9=m
CONFIG_JOYSTICK_GAMECON=m
CONFIG_JOYSTICK_TURBOGRAFX=m
CONFIG_JOYSTICK_AS5011=m
CONFIG_JOYSTICK_JOYDUMP=m
CONFIG_JOYSTICK_XPAD=m
CONFIG_JOYSTICK_XPAD_FF=y
CONFIG_JOYSTICK_XPAD_LEDS=y
CONFIG_JOYSTICK_WALKERA0701=m
CONFIG_INPUT_TABLET=y
CONFIG_TABLET_USB_ACECAD=m
CONFIG_TABLET_USB_AIPTEK=m
CONFIG_TABLET_USB_GTCO=m
CONFIG_TABLET_USB_HANWANG=m
CONFIG_TABLET_USB_KBTAB=m
CONFIG_TABLET_USB_WACOM=m
CONFIG_INPUT_TOUCHSCREEN=y
CONFIG_TOUCHSCREEN_88PM860X=m
CONFIG_TOUCHSCREEN_ADS7846=m
CONFIG_TOUCHSCREEN_AD7877=m
CONFIG_TOUCHSCREEN_AD7879=m
CONFIG_TOUCHSCREEN_AD7879_I2C=m
CONFIG_TOUCHSCREEN_AD7879_SPI=m
CONFIG_TOUCHSCREEN_ATMEL_MXT=m
CONFIG_TOUCHSCREEN_AUO_PIXCIR=m
CONFIG_TOUCHSCREEN_BU21013=m
CONFIG_TOUCHSCREEN_CY8CTMG110=m
CONFIG_TOUCHSCREEN_CYTTSP_CORE=m
CONFIG_TOUCHSCREEN_CYTTSP_I2C=m
CONFIG_TOUCHSCREEN_CYTTSP_SPI=m
CONFIG_TOUCHSCREEN_DA9034=m
CONFIG_TOUCHSCREEN_DYNAPRO=m
CONFIG_TOUCHSCREEN_HAMPSHIRE=m
CONFIG_TOUCHSCREEN_EETI=m
CONFIG_TOUCHSCREEN_EGALAX=m
CONFIG_TOUCHSCREEN_FUJITSU=m
CONFIG_TOUCHSCREEN_ILI210X=m
CONFIG_TOUCHSCREEN_GUNZE=m
CONFIG_TOUCHSCREEN_ELO=m
CONFIG_TOUCHSCREEN_WACOM_W8001=m
CONFIG_TOUCHSCREEN_MAX11801=m
CONFIG_TOUCHSCREEN_MCS5000=m
CONFIG_TOUCHSCREEN_MTOUCH=m
CONFIG_TOUCHSCREEN_INEXIO=m
CONFIG_TOUCHSCREEN_INTEL_MID=m
CONFIG_TOUCHSCREEN_MK712=m
CONFIG_TOUCHSCREEN_HTCPEN=m
CONFIG_TOUCHSCREEN_PENMOUNT=m
CONFIG_TOUCHSCREEN_TOUCHRIGHT=m
CONFIG_TOUCHSCREEN_TOUCHWIN=m
CONFIG_TOUCHSCREEN_UCB1400=m
CONFIG_TOUCHSCREEN_PIXCIR=m
CONFIG_TOUCHSCREEN_WM831X=m
CONFIG_TOUCHSCREEN_WM97XX=m
CONFIG_TOUCHSCREEN_WM9705=y
CONFIG_TOUCHSCREEN_WM9712=y
CONFIG_TOUCHSCREEN_WM9713=y
CONFIG_TOUCHSCREEN_USB_COMPOSITE=m
CONFIG_TOUCHSCREEN_USB_EGALAX=y
CONFIG_TOUCHSCREEN_USB_PANJIT=y
CONFIG_TOUCHSCREEN_USB_3M=y
CONFIG_TOUCHSCREEN_USB_ITM=y
CONFIG_TOUCHSCREEN_USB_ETURBO=y
CONFIG_TOUCHSCREEN_USB_GUNZE=y
CONFIG_TOUCHSCREEN_USB_DMC_TSC10=y
CONFIG_TOUCHSCREEN_USB_IRTOUCH=y
CONFIG_TOUCHSCREEN_USB_IDEALTEK=y
CONFIG_TOUCHSCREEN_USB_GENERAL_TOUCH=y
CONFIG_TOUCHSCREEN_USB_GOTOP=y
CONFIG_TOUCHSCREEN_USB_JASTEC=y
CONFIG_TOUCHSCREEN_USB_ELO=y
CONFIG_TOUCHSCREEN_USB_E2I=y
CONFIG_TOUCHSCREEN_USB_ZYTRONIC=y
CONFIG_TOUCHSCREEN_USB_ETT_TC45USB=y
CONFIG_TOUCHSCREEN_USB_NEXIO=y
CONFIG_TOUCHSCREEN_USB_EASYTOUCH=y
CONFIG_TOUCHSCREEN_TOUCHIT213=m
CONFIG_TOUCHSCREEN_TSC_SERIO=m
CONFIG_TOUCHSCREEN_TSC2005=m
CONFIG_TOUCHSCREEN_TSC2007=m
CONFIG_TOUCHSCREEN_PCAP=m
CONFIG_TOUCHSCREEN_ST1232=m
CONFIG_TOUCHSCREEN_STMPE=m
CONFIG_TOUCHSCREEN_TPS6507X=m
CONFIG_INPUT_MISC=y
CONFIG_INPUT_88PM860X_ONKEY=m
CONFIG_INPUT_AD714X=m
CONFIG_INPUT_AD714X_I2C=m
CONFIG_INPUT_AD714X_SPI=m
CONFIG_INPUT_BMA150=m
CONFIG_INPUT_PCSPKR=m
CONFIG_INPUT_MAX8925_ONKEY=m
CONFIG_INPUT_MMA8450=m
CONFIG_INPUT_MPU3050=m
CONFIG_INPUT_APANEL=m
CONFIG_INPUT_GP2A=m
CONFIG_INPUT_GPIO_TILT_POLLED=m
CONFIG_INPUT_WISTRON_BTNS=m
CONFIG_INPUT_ATLAS_BTNS=m
CONFIG_INPUT_ATI_REMOTE2=m
CONFIG_INPUT_KEYSPAN_REMOTE=m
CONFIG_INPUT_KXTJ9=m
CONFIG_INPUT_KXTJ9_POLLED_MODE=y
CONFIG_INPUT_POWERMATE=m
CONFIG_INPUT_YEALINK=m
CONFIG_INPUT_CM109=m
CONFIG_INPUT_TWL4030_PWRBUTTON=m
CONFIG_INPUT_TWL4030_VIBRA=m
CONFIG_INPUT_TWL6040_VIBRA=m
CONFIG_INPUT_UINPUT=m
CONFIG_INPUT_PCF50633_PMU=m
CONFIG_INPUT_PCF8574=m
CONFIG_INPUT_GPIO_ROTARY_ENCODER=m
CONFIG_INPUT_DA9052_ONKEY=m
CONFIG_INPUT_WM831X_ON=m
CONFIG_INPUT_PCAP=m
CONFIG_INPUT_ADXL34X=m
CONFIG_INPUT_ADXL34X_I2C=m
CONFIG_INPUT_ADXL34X_SPI=m
CONFIG_INPUT_CMA3000=m
CONFIG_INPUT_CMA3000_I2C=m
#
# Hardware I/O ports
#
CONFIG_SERIO=m
CONFIG_SERIO_I8042=m
CONFIG_SERIO_SERPORT=m
CONFIG_SERIO_CT82C710=m
CONFIG_SERIO_PARKBD=m
CONFIG_SERIO_PCIPS2=m
CONFIG_SERIO_LIBPS2=m
CONFIG_SERIO_RAW=m
CONFIG_SERIO_ALTERA_PS2=m
CONFIG_SERIO_PS2MULT=m
CONFIG_GAMEPORT=m
CONFIG_GAMEPORT_NS558=m
CONFIG_GAMEPORT_L4=m
CONFIG_GAMEPORT_EMU10K1=m
CONFIG_GAMEPORT_FM801=m
#
# Character devices
#
CONFIG_VT=y
CONFIG_CONSOLE_TRANSLATIONS=y
CONFIG_VT_CONSOLE=y
CONFIG_VT_CONSOLE_SLEEP=y
CONFIG_HW_CONSOLE=y
CONFIG_VT_HW_CONSOLE_BINDING=y
CONFIG_UNIX98_PTYS=y
CONFIG_DEVPTS_MULTIPLE_INSTANCES=y
CONFIG_LEGACY_PTYS=y
CONFIG_LEGACY_PTY_COUNT=256
CONFIG_SERIAL_NONSTANDARD=y
CONFIG_ROCKETPORT=m
CONFIG_CYCLADES=m
CONFIG_CYZ_INTR=y
CONFIG_MOXA_INTELLIO=m
CONFIG_MOXA_SMARTIO=m
CONFIG_SYNCLINK=m
CONFIG_SYNCLINKMP=m
CONFIG_SYNCLINK_GT=m
CONFIG_NOZOMI=m
CONFIG_ISI=m
CONFIG_N_HDLC=m
CONFIG_N_GSM=m
CONFIG_TRACE_ROUTER=m
CONFIG_TRACE_SINK=m
CONFIG_DEVKMEM=y
CONFIG_STALDRV=y
#
# Serial drivers
#
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_FIX_EARLYCON_MEM=y
CONFIG_SERIAL_8250_PCI=m
CONFIG_SERIAL_8250_PNP=m
CONFIG_SERIAL_8250_CS=m
CONFIG_SERIAL_8250_NR_UARTS=4
CONFIG_SERIAL_8250_RUNTIME_UARTS=4
CONFIG_SERIAL_8250_EXTENDED=y
CONFIG_SERIAL_8250_MANY_PORTS=y
CONFIG_SERIAL_8250_FOURPORT=m
CONFIG_SERIAL_8250_ACCENT=m
CONFIG_SERIAL_8250_BOCA=m
CONFIG_SERIAL_8250_EXAR_ST16C554=m
CONFIG_SERIAL_8250_HUB6=m
CONFIG_SERIAL_8250_SHARE_IRQ=y
CONFIG_SERIAL_8250_DETECT_IRQ=y
CONFIG_SERIAL_8250_RSA=y
#
# Non-8250 serial port support
#
CONFIG_SERIAL_MAX3100=m
CONFIG_SERIAL_MAX3107=m
CONFIG_SERIAL_MRST_MAX3110=m
CONFIG_SERIAL_MFD_HSU=m
CONFIG_SERIAL_UARTLITE=m
CONFIG_SERIAL_CORE=y
CONFIG_SERIAL_CORE_CONSOLE=y
CONFIG_CONSOLE_POLL=y
CONFIG_SERIAL_JSM=m
CONFIG_SERIAL_TIMBERDALE=m
CONFIG_SERIAL_ALTERA_JTAGUART=m
CONFIG_SERIAL_ALTERA_UART=m
CONFIG_SERIAL_ALTERA_UART_MAXPORTS=4
CONFIG_SERIAL_ALTERA_UART_BAUDRATE=115200
CONFIG_SERIAL_IFX6X60=m
CONFIG_SERIAL_PCH_UART=m
CONFIG_SERIAL_XILINX_PS_UART=m
CONFIG_TTY_PRINTK=y
CONFIG_PRINTER=m
CONFIG_LP_CONSOLE=y
CONFIG_PPDEV=m
CONFIG_HVC_DRIVER=y
CONFIG_VIRTIO_CONSOLE=y
CONFIG_IPMI_HANDLER=m
CONFIG_IPMI_PANIC_EVENT=y
CONFIG_IPMI_PANIC_STRING=y
CONFIG_IPMI_DEVICE_INTERFACE=m
CONFIG_IPMI_SI=m
CONFIG_IPMI_WATCHDOG=m
CONFIG_IPMI_POWEROFF=m
CONFIG_HW_RANDOM=m
CONFIG_HW_RANDOM_TIMERIOMEM=m
CONFIG_HW_RANDOM_INTEL=m
CONFIG_HW_RANDOM_AMD=m
CONFIG_HW_RANDOM_GEODE=m
CONFIG_HW_RANDOM_VIA=m
CONFIG_HW_RANDOM_VIRTIO=m
CONFIG_NVRAM=m
CONFIG_DTLK=m
CONFIG_R3964=m
CONFIG_APPLICOM=m
CONFIG_SONYPI=m
#
# PCMCIA character devices
#
CONFIG_SYNCLINK_CS=m
CONFIG_CARDMAN_4000=m
CONFIG_CARDMAN_4040=m
CONFIG_IPWIRELESS=m
CONFIG_MWAVE=m
CONFIG_SCx200_GPIO=m
CONFIG_PC8736x_GPIO=m
CONFIG_NSC_GPIO=m
CONFIG_RAW_DRIVER=m
CONFIG_MAX_RAW_DEVS=256
CONFIG_HPET=y
CONFIG_HPET_MMAP=y
CONFIG_HANGCHECK_TIMER=m
CONFIG_TCG_TPM=y
CONFIG_TCG_TIS=y
CONFIG_TCG_NSC=m
CONFIG_TCG_ATMEL=m
CONFIG_TCG_INFINEON=m
CONFIG_TELCLOCK=m
CONFIG_DEVPORT=y
# CONFIG_RAMOOPS is not set
CONFIG_I2C=y
CONFIG_I2C_BOARDINFO=y
CONFIG_I2C_COMPAT=y
CONFIG_I2C_CHARDEV=m
CONFIG_I2C_MUX=m
#
# Multiplexer I2C Chip support
#
CONFIG_I2C_MUX_GPIO=m
CONFIG_I2C_MUX_PCA9541=m
CONFIG_I2C_MUX_PCA954x=m
CONFIG_I2C_HELPER_AUTO=y
CONFIG_I2C_SMBUS=m
CONFIG_I2C_ALGOBIT=m
CONFIG_I2C_ALGOPCA=m
#
# I2C Hardware Bus support
#
#
# PC SMBus host controller drivers
#
CONFIG_I2C_ALI1535=m
CONFIG_I2C_ALI1563=m
CONFIG_I2C_ALI15X3=m
CONFIG_I2C_AMD756=m
CONFIG_I2C_AMD756_S4882=m
CONFIG_I2C_AMD8111=m
CONFIG_I2C_I801=m
CONFIG_I2C_ISCH=m
CONFIG_I2C_PIIX4=m
CONFIG_I2C_NFORCE2=m
CONFIG_I2C_NFORCE2_S4985=m
CONFIG_I2C_SIS5595=m
CONFIG_I2C_SIS630=m
CONFIG_I2C_SIS96X=m
CONFIG_I2C_VIA=m
CONFIG_I2C_VIAPRO=m
#
# ACPI drivers
#
CONFIG_I2C_SCMI=m
#
# I2C system bus drivers (mostly embedded / system-on-chip)
#
CONFIG_I2C_DESIGNWARE_PCI=m
CONFIG_I2C_EG20T=m
CONFIG_I2C_GPIO=m
CONFIG_I2C_INTEL_MID=m
CONFIG_I2C_OCORES=m
CONFIG_I2C_PCA_PLATFORM=m
# CONFIG_I2C_PXA_PCI is not set
CONFIG_I2C_SIMTEC=m
CONFIG_I2C_XILINX=m
#
# External I2C/SMBus adapter drivers
#
CONFIG_I2C_DIOLAN_U2C=m
CONFIG_I2C_PARPORT=m
CONFIG_I2C_PARPORT_LIGHT=m
CONFIG_I2C_TAOS_EVM=m
CONFIG_I2C_TINY_USB=m
#
# Other I2C/SMBus bus drivers
#
CONFIG_I2C_PCA_ISA=m
CONFIG_I2C_STUB=m
CONFIG_SCx200_I2C=m
CONFIG_SCx200_I2C_SCL=12
CONFIG_SCx200_I2C_SDA=13
CONFIG_SCx200_ACB=m
CONFIG_I2C_DEBUG_CORE=y
CONFIG_I2C_DEBUG_ALGO=y
CONFIG_I2C_DEBUG_BUS=y
CONFIG_SPI=y
CONFIG_SPI_DEBUG=y
CONFIG_SPI_MASTER=y
#
# SPI Master Controller Drivers
#
CONFIG_SPI_ALTERA=m
CONFIG_SPI_BITBANG=m
CONFIG_SPI_BUTTERFLY=m
CONFIG_SPI_GPIO=m
CONFIG_SPI_LM70_LLP=m
CONFIG_SPI_OC_TINY=m
CONFIG_SPI_PXA2XX=m
CONFIG_SPI_PXA2XX_PCI=y
CONFIG_SPI_TOPCLIFF_PCH=m
CONFIG_SPI_XILINX=m
CONFIG_SPI_DESIGNWARE=m
CONFIG_SPI_DW_PCI=m
CONFIG_SPI_DW_MID_DMA=y
#
# SPI Protocol Masters
#
CONFIG_SPI_SPIDEV=m
CONFIG_SPI_TLE62X0=m
# CONFIG_HSI is not set
#
# PPS support
#
CONFIG_PPS=m
CONFIG_PPS_DEBUG=y
#
# PPS clients support
#
CONFIG_PPS_CLIENT_KTIMER=m
CONFIG_PPS_CLIENT_LDISC=m
CONFIG_PPS_CLIENT_PARPORT=m
CONFIG_PPS_CLIENT_GPIO=m
#
# PPS generators support
#
#
# PTP clock support
#
CONFIG_PTP_1588_CLOCK=m
CONFIG_DP83640_PHY=m
CONFIG_PTP_1588_CLOCK_PCH=m
CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
CONFIG_GPIOLIB=y
CONFIG_DEBUG_GPIO=y
CONFIG_GPIO_SYSFS=y
CONFIG_GPIO_GENERIC=m
CONFIG_GPIO_MAX730X=m
#
# Memory mapped GPIO drivers:
#
CONFIG_GPIO_GENERIC_PLATFORM=m
CONFIG_GPIO_IT8761E=m
CONFIG_GPIO_SCH=m
CONFIG_GPIO_VX855=m
#
# I2C GPIO expanders:
#
CONFIG_GPIO_MAX7300=m
CONFIG_GPIO_MAX732X=m
CONFIG_GPIO_PCA953X=m
CONFIG_GPIO_PCF857X=m
CONFIG_GPIO_SX150X=y
CONFIG_GPIO_STMPE=y
CONFIG_GPIO_TC3589X=y
CONFIG_GPIO_TPS65912=m
CONFIG_GPIO_TWL4030=m
CONFIG_GPIO_WM831X=m
CONFIG_GPIO_WM8350=m
CONFIG_GPIO_WM8994=m
CONFIG_GPIO_ADP5520=m
CONFIG_GPIO_ADP5588=m
#
# PCI GPIO expanders:
#
CONFIG_GPIO_CS5535=m
CONFIG_GPIO_LANGWELL=y
CONFIG_GPIO_PCH=m
CONFIG_GPIO_ML_IOH=m
CONFIG_GPIO_TIMBERDALE=y
CONFIG_GPIO_RDC321X=m
#
# SPI GPIO expanders:
#
CONFIG_GPIO_MAX7301=m
CONFIG_GPIO_MCP23S08=m
CONFIG_GPIO_MC33880=m
CONFIG_GPIO_74X164=m
#
# AC97 GPIO expanders:
#
CONFIG_GPIO_UCB1400=y
#
# MODULbus GPIO expanders:
#
CONFIG_GPIO_JANZ_TTL=m
CONFIG_GPIO_TPS65910=y
CONFIG_W1=m
CONFIG_W1_CON=y
#
# 1-wire Bus Masters
#
CONFIG_W1_MASTER_MATROX=m
CONFIG_W1_MASTER_DS2490=m
CONFIG_W1_MASTER_DS2482=m
CONFIG_W1_MASTER_DS1WM=m
CONFIG_W1_MASTER_GPIO=m
#
# 1-wire Slaves
#
CONFIG_W1_SLAVE_THERM=m
CONFIG_W1_SLAVE_SMEM=m
CONFIG_W1_SLAVE_DS2408=m
CONFIG_W1_SLAVE_DS2423=m
CONFIG_W1_SLAVE_DS2431=m
CONFIG_W1_SLAVE_DS2433=m
CONFIG_W1_SLAVE_DS2433_CRC=y
CONFIG_W1_SLAVE_DS2760=m
CONFIG_W1_SLAVE_DS2780=m
CONFIG_W1_SLAVE_DS2781=m
CONFIG_W1_SLAVE_BQ27000=m
CONFIG_POWER_SUPPLY=y
CONFIG_POWER_SUPPLY_DEBUG=y
CONFIG_PDA_POWER=m
CONFIG_MAX8925_POWER=m
CONFIG_WM831X_BACKUP=m
CONFIG_WM831X_POWER=m
CONFIG_WM8350_POWER=m
CONFIG_TEST_POWER=m
CONFIG_BATTERY_DS2760=m
CONFIG_BATTERY_DS2780=m
CONFIG_BATTERY_DS2781=m
CONFIG_BATTERY_DS2782=m
CONFIG_BATTERY_SBS=m
CONFIG_BATTERY_BQ27x00=m
CONFIG_BATTERY_BQ27X00_I2C=y
CONFIG_BATTERY_BQ27X00_PLATFORM=y
CONFIG_BATTERY_DA9030=m
CONFIG_BATTERY_MAX17040=m
CONFIG_BATTERY_MAX17042=m
CONFIG_CHARGER_PCF50633=m
CONFIG_BATTERY_INTEL_MID=m
CONFIG_CHARGER_ISP1704=m
CONFIG_CHARGER_MAX8903=m
CONFIG_CHARGER_TWL4030=m
CONFIG_CHARGER_LP8727=m
CONFIG_CHARGER_GPIO=m
CONFIG_CHARGER_MANAGER=y
CONFIG_CHARGER_MAX8997=m
CONFIG_CHARGER_MAX8998=m
CONFIG_CHARGER_SMB347=m
CONFIG_HWMON=m
CONFIG_HWMON_VID=m
CONFIG_HWMON_DEBUG_CHIP=y
#
# Native drivers
#
CONFIG_SENSORS_ABITUGURU=m
CONFIG_SENSORS_ABITUGURU3=m
CONFIG_SENSORS_AD7314=m
CONFIG_SENSORS_AD7414=m
CONFIG_SENSORS_AD7418=m
CONFIG_SENSORS_ADCXX=m
CONFIG_SENSORS_ADM1021=m
CONFIG_SENSORS_ADM1025=m
CONFIG_SENSORS_ADM1026=m
CONFIG_SENSORS_ADM1029=m
CONFIG_SENSORS_ADM1031=m
CONFIG_SENSORS_ADM9240=m
CONFIG_SENSORS_ADT7411=m
CONFIG_SENSORS_ADT7462=m
CONFIG_SENSORS_ADT7470=m
CONFIG_SENSORS_ADT7475=m
CONFIG_SENSORS_ASC7621=m
CONFIG_SENSORS_K8TEMP=m
CONFIG_SENSORS_K10TEMP=m
CONFIG_SENSORS_FAM15H_POWER=m
CONFIG_SENSORS_ASB100=m
CONFIG_SENSORS_ATXP1=m
CONFIG_SENSORS_DS620=m
CONFIG_SENSORS_DS1621=m
CONFIG_SENSORS_I5K_AMB=m
CONFIG_SENSORS_F71805F=m
CONFIG_SENSORS_F71882FG=m
CONFIG_SENSORS_F75375S=m
CONFIG_SENSORS_FSCHMD=m
CONFIG_SENSORS_G760A=m
CONFIG_SENSORS_GL518SM=m
CONFIG_SENSORS_GL520SM=m
CONFIG_SENSORS_GPIO_FAN=m
CONFIG_SENSORS_CORETEMP=m
CONFIG_SENSORS_IBMAEM=m
CONFIG_SENSORS_IBMPEX=m
CONFIG_SENSORS_IT87=m
CONFIG_SENSORS_JC42=m
CONFIG_SENSORS_LINEAGE=m
CONFIG_SENSORS_LM63=m
CONFIG_SENSORS_LM70=m
CONFIG_SENSORS_LM73=m
CONFIG_SENSORS_LM75=m
CONFIG_SENSORS_LM77=m
CONFIG_SENSORS_LM78=m
CONFIG_SENSORS_LM80=m
CONFIG_SENSORS_LM83=m
CONFIG_SENSORS_LM85=m
CONFIG_SENSORS_LM87=m
CONFIG_SENSORS_LM90=m
CONFIG_SENSORS_LM92=m
CONFIG_SENSORS_LM93=m
CONFIG_SENSORS_LTC4151=m
CONFIG_SENSORS_LTC4215=m
CONFIG_SENSORS_LTC4245=m
CONFIG_SENSORS_LTC4261=m
CONFIG_SENSORS_LM95241=m
CONFIG_SENSORS_LM95245=m
CONFIG_SENSORS_MAX1111=m
CONFIG_SENSORS_MAX16065=m
CONFIG_SENSORS_MAX1619=m
CONFIG_SENSORS_MAX1668=m
CONFIG_SENSORS_MAX6639=m
CONFIG_SENSORS_MAX6642=m
CONFIG_SENSORS_MAX6650=m
CONFIG_SENSORS_MCP3021=m
CONFIG_SENSORS_NTC_THERMISTOR=m
CONFIG_SENSORS_PC87360=m
CONFIG_SENSORS_PC87427=m
CONFIG_SENSORS_PCF8591=m
CONFIG_PMBUS=m
CONFIG_SENSORS_PMBUS=m
CONFIG_SENSORS_ADM1275=m
CONFIG_SENSORS_LM25066=m
CONFIG_SENSORS_LTC2978=m
CONFIG_SENSORS_MAX16064=m
CONFIG_SENSORS_MAX34440=m
CONFIG_SENSORS_MAX8688=m
CONFIG_SENSORS_UCD9000=m
CONFIG_SENSORS_UCD9200=m
CONFIG_SENSORS_ZL6100=m
CONFIG_SENSORS_SHT15=m
CONFIG_SENSORS_SHT21=m
CONFIG_SENSORS_SIS5595=m
CONFIG_SENSORS_SMM665=m
CONFIG_SENSORS_DME1737=m
CONFIG_SENSORS_EMC1403=m
CONFIG_SENSORS_EMC2103=m
CONFIG_SENSORS_EMC6W201=m
CONFIG_SENSORS_SMSC47M1=m
CONFIG_SENSORS_SMSC47M192=m
CONFIG_SENSORS_SMSC47B397=m
CONFIG_SENSORS_SCH56XX_COMMON=m
CONFIG_SENSORS_SCH5627=m
CONFIG_SENSORS_SCH5636=m
CONFIG_SENSORS_ADS1015=m
CONFIG_SENSORS_ADS7828=m
CONFIG_SENSORS_ADS7871=m
CONFIG_SENSORS_AMC6821=m
CONFIG_SENSORS_THMC50=m
CONFIG_SENSORS_TMP102=m
CONFIG_SENSORS_TMP401=m
CONFIG_SENSORS_TMP421=m
CONFIG_SENSORS_TWL4030_MADC=m
CONFIG_SENSORS_VIA_CPUTEMP=m
CONFIG_SENSORS_VIA686A=m
CONFIG_SENSORS_VT1211=m
CONFIG_SENSORS_VT8231=m
CONFIG_SENSORS_W83781D=m
CONFIG_SENSORS_W83791D=m
CONFIG_SENSORS_W83792D=m
CONFIG_SENSORS_W83793=m
CONFIG_SENSORS_W83795=m
CONFIG_SENSORS_W83795_FANCTRL=y
CONFIG_SENSORS_W83L785TS=m
CONFIG_SENSORS_W83L786NG=m
CONFIG_SENSORS_W83627HF=m
CONFIG_SENSORS_W83627EHF=m
CONFIG_SENSORS_WM831X=m
CONFIG_SENSORS_WM8350=m
CONFIG_SENSORS_APPLESMC=m
#
# ACPI drivers
#
CONFIG_SENSORS_ACPI_POWER=m
CONFIG_SENSORS_ATK0110=m
CONFIG_THERMAL=m
CONFIG_THERMAL_HWMON=y
CONFIG_WATCHDOG=y
CONFIG_WATCHDOG_CORE=y
CONFIG_WATCHDOG_NOWAYOUT=y
#
# Watchdog Device Drivers
#
CONFIG_SOFT_WATCHDOG=m
CONFIG_WM831X_WATCHDOG=m
CONFIG_WM8350_WATCHDOG=m
CONFIG_TWL4030_WATCHDOG=m
CONFIG_ACQUIRE_WDT=m
CONFIG_ADVANTECH_WDT=m
CONFIG_ALIM1535_WDT=m
CONFIG_ALIM7101_WDT=m
CONFIG_F71808E_WDT=m
CONFIG_SP5100_TCO=m
CONFIG_GEODE_WDT=m
CONFIG_SC520_WDT=m
CONFIG_SBC_FITPC2_WATCHDOG=m
CONFIG_EUROTECH_WDT=m
CONFIG_IB700_WDT=m
CONFIG_IBMASR=m
CONFIG_WAFER_WDT=m
CONFIG_I6300ESB_WDT=m
CONFIG_ITCO_WDT=m
CONFIG_ITCO_VENDOR_SUPPORT=y
CONFIG_IT8712F_WDT=m
CONFIG_IT87_WDT=m
CONFIG_HP_WATCHDOG=m
CONFIG_HPWDT_NMI_DECODING=y
CONFIG_SC1200_WDT=m
CONFIG_SCx200_WDT=m
CONFIG_PC87413_WDT=m
CONFIG_NV_TCO=m
CONFIG_RDC321X_WDT=m
CONFIG_60XX_WDT=m
CONFIG_SBC8360_WDT=m
CONFIG_SBC7240_WDT=m
CONFIG_CPU5_WDT=m
CONFIG_SMSC_SCH311X_WDT=m
CONFIG_SMSC37B787_WDT=m
CONFIG_VIA_WDT=m
CONFIG_W83627HF_WDT=m
CONFIG_W83697HF_WDT=m
CONFIG_W83697UG_WDT=m
CONFIG_W83877F_WDT=m
CONFIG_W83977F_WDT=m
CONFIG_MACHZ_WDT=m
CONFIG_SBC_EPX_C3_WATCHDOG=m
#
# ISA-based Watchdog Cards
#
CONFIG_PCWATCHDOG=m
CONFIG_MIXCOMWD=m
CONFIG_WDT=m
#
# PCI-based Watchdog Cards
#
CONFIG_PCIPCWATCHDOG=m
CONFIG_WDTPCI=m
#
# USB-based Watchdog Cards
#
CONFIG_USBPCWATCHDOG=m
CONFIG_SSB_POSSIBLE=y
#
# Sonics Silicon Backplane
#
CONFIG_SSB=m
CONFIG_SSB_SPROM=y
CONFIG_SSB_BLOCKIO=y
CONFIG_SSB_PCIHOST_POSSIBLE=y
CONFIG_SSB_PCIHOST=y
CONFIG_SSB_B43_PCI_BRIDGE=y
CONFIG_SSB_PCMCIAHOST_POSSIBLE=y
CONFIG_SSB_PCMCIAHOST=y
CONFIG_SSB_SDIOHOST_POSSIBLE=y
CONFIG_SSB_SDIOHOST=y
CONFIG_SSB_SILENT=y
CONFIG_SSB_DRIVER_PCICORE_POSSIBLE=y
CONFIG_SSB_DRIVER_PCICORE=y
CONFIG_BCMA_POSSIBLE=y
#
# Broadcom specific AMBA
#
CONFIG_BCMA=m
CONFIG_BCMA_BLOCKIO=y
CONFIG_BCMA_HOST_PCI_POSSIBLE=y
CONFIG_BCMA_HOST_PCI=y
CONFIG_BCMA_DEBUG=y
#
# Multifunction device drivers
#
CONFIG_MFD_CORE=y
CONFIG_MFD_88PM860X=y
CONFIG_MFD_SM501=m
CONFIG_MFD_SM501_GPIO=y
CONFIG_HTC_PASIC3=m
CONFIG_HTC_I2CPLD=y
CONFIG_UCB1400_CORE=m
CONFIG_TPS6105X=m
CONFIG_TPS65010=m
CONFIG_TPS6507X=m
CONFIG_MFD_TPS65217=m
CONFIG_MFD_TPS6586X=y
CONFIG_MFD_TPS65910=y
CONFIG_MFD_TPS65912=y
CONFIG_MFD_TPS65912_I2C=y
CONFIG_MFD_TPS65912_SPI=y
CONFIG_TWL4030_CORE=y
CONFIG_TWL4030_MADC=m
CONFIG_MFD_TWL4030_AUDIO=y
CONFIG_TWL6030_PWM=m
CONFIG_TWL6040_CORE=y
CONFIG_MFD_STMPE=y
#
# STMPE Interface Drivers
#
CONFIG_STMPE_I2C=y
CONFIG_STMPE_SPI=y
CONFIG_MFD_TC3589X=y
# CONFIG_MFD_TMIO is not set
CONFIG_PMIC_DA903X=y
CONFIG_PMIC_DA9052=y
CONFIG_MFD_DA9052_SPI=y
CONFIG_MFD_DA9052_I2C=y
CONFIG_PMIC_ADP5520=y
CONFIG_MFD_MAX8925=y
CONFIG_MFD_MAX8997=y
CONFIG_MFD_MAX8998=y
CONFIG_MFD_S5M_CORE=y
# CONFIG_MFD_WM8400 is not set
CONFIG_MFD_WM831X=y
CONFIG_MFD_WM831X_I2C=y
CONFIG_MFD_WM831X_SPI=y
CONFIG_MFD_WM8350=y
CONFIG_MFD_WM8350_I2C=y
CONFIG_MFD_WM8994=y
CONFIG_MFD_PCF50633=m
CONFIG_PCF50633_ADC=m
CONFIG_PCF50633_GPIO=m
# CONFIG_MFD_MC13XXX is not set
CONFIG_ABX500_CORE=y
CONFIG_AB3100_CORE=y
CONFIG_AB3100_OTP=m
CONFIG_EZX_PCAP=y
# CONFIG_AB8500_CORE is not set
CONFIG_MFD_CS5535=m
CONFIG_MFD_TIMBERDALE=m
CONFIG_LPC_SCH=m
CONFIG_MFD_RDC321X=m
CONFIG_MFD_JANZ_CMODIO=m
CONFIG_MFD_VX855=m
CONFIG_MFD_WL1273_CORE=m
CONFIG_MFD_TPS65090=y
CONFIG_MFD_AAT2870_CORE=y
CONFIG_MFD_INTEL_MSIC=y
CONFIG_MFD_RC5T583=y
CONFIG_REGULATOR=y
CONFIG_REGULATOR_DEBUG=y
CONFIG_REGULATOR_DUMMY=y
CONFIG_REGULATOR_FIXED_VOLTAGE=m
CONFIG_REGULATOR_VIRTUAL_CONSUMER=m
CONFIG_REGULATOR_USERSPACE_CONSUMER=m
CONFIG_REGULATOR_GPIO=m
CONFIG_REGULATOR_AD5398=m
CONFIG_REGULATOR_AAT2870=m
CONFIG_REGULATOR_DA903X=m
CONFIG_REGULATOR_DA9052=m
CONFIG_REGULATOR_ISL6271A=m
CONFIG_REGULATOR_88PM8607=y
CONFIG_REGULATOR_MAX1586=m
CONFIG_REGULATOR_MAX8649=m
CONFIG_REGULATOR_MAX8660=m
CONFIG_REGULATOR_MAX8925=m
CONFIG_REGULATOR_MAX8952=m
CONFIG_REGULATOR_MAX8997=m
CONFIG_REGULATOR_MAX8998=m
CONFIG_REGULATOR_PCAP=m
CONFIG_REGULATOR_LP3971=m
CONFIG_REGULATOR_LP3972=m
CONFIG_REGULATOR_PCF50633=m
CONFIG_REGULATOR_S5M8767=m
CONFIG_REGULATOR_AB3100=m
CONFIG_REGULATOR_TPS6105X=m
CONFIG_REGULATOR_TPS62360=m
CONFIG_REGULATOR_TPS65023=m
CONFIG_REGULATOR_TPS6507X=m
CONFIG_REGULATOR_TPS65217=m
CONFIG_REGULATOR_TPS6524X=m
CONFIG_REGULATOR_TPS6586X=m
CONFIG_REGULATOR_TPS65910=m
CONFIG_REGULATOR_TPS65912=m
CONFIG_REGULATOR_TWL4030=y
CONFIG_REGULATOR_WM831X=m
CONFIG_REGULATOR_WM8350=m
CONFIG_REGULATOR_WM8994=m
CONFIG_MEDIA_SUPPORT=m
#
# Multimedia core support
#
CONFIG_MEDIA_CONTROLLER=y
CONFIG_VIDEO_DEV=m
CONFIG_VIDEO_V4L2_COMMON=m
CONFIG_VIDEO_V4L2_SUBDEV_API=y
CONFIG_DVB_CORE=m
CONFIG_DVB_NET=y
CONFIG_VIDEO_MEDIA=m
#
# Multimedia drivers
#
CONFIG_VIDEO_SAA7146=m
CONFIG_VIDEO_SAA7146_VV=m
CONFIG_RC_CORE=m
CONFIG_LIRC=m
CONFIG_RC_MAP=m
CONFIG_IR_NEC_DECODER=m
CONFIG_IR_RC5_DECODER=m
CONFIG_IR_RC6_DECODER=m
CONFIG_IR_JVC_DECODER=m
CONFIG_IR_SONY_DECODER=m
CONFIG_IR_RC5_SZ_DECODER=m
CONFIG_IR_SANYO_DECODER=m
CONFIG_IR_MCE_KBD_DECODER=m
CONFIG_IR_LIRC_CODEC=m
CONFIG_RC_ATI_REMOTE=m
CONFIG_IR_ENE=m
CONFIG_IR_IMON=m
CONFIG_IR_MCEUSB=m
CONFIG_IR_ITE_CIR=m
CONFIG_IR_FINTEK=m
CONFIG_IR_NUVOTON=m
CONFIG_IR_REDRAT3=m
CONFIG_IR_STREAMZAP=m
CONFIG_IR_WINBOND_CIR=m
CONFIG_RC_LOOPBACK=m
CONFIG_IR_GPIO_CIR=m
CONFIG_MEDIA_ATTACH=y
CONFIG_MEDIA_TUNER=m
CONFIG_MEDIA_TUNER_CUSTOMISE=y
#
# Customize TV tuners
#
CONFIG_MEDIA_TUNER_SIMPLE=m
CONFIG_MEDIA_TUNER_TDA8290=m
CONFIG_MEDIA_TUNER_TDA827X=m
CONFIG_MEDIA_TUNER_TDA18271=m
CONFIG_MEDIA_TUNER_TDA9887=m
CONFIG_MEDIA_TUNER_TEA5761=m
CONFIG_MEDIA_TUNER_TEA5767=m
CONFIG_MEDIA_TUNER_MT20XX=m
CONFIG_MEDIA_TUNER_MT2060=m
CONFIG_MEDIA_TUNER_MT2063=m
CONFIG_MEDIA_TUNER_MT2266=m
CONFIG_MEDIA_TUNER_MT2131=m
CONFIG_MEDIA_TUNER_QT1010=m
CONFIG_MEDIA_TUNER_XC2028=m
CONFIG_MEDIA_TUNER_XC5000=m
CONFIG_MEDIA_TUNER_XC4000=m
CONFIG_MEDIA_TUNER_MXL5005S=m
CONFIG_MEDIA_TUNER_MXL5007T=m
CONFIG_MEDIA_TUNER_MC44S803=m
CONFIG_MEDIA_TUNER_MAX2165=m
CONFIG_MEDIA_TUNER_TDA18218=m
CONFIG_MEDIA_TUNER_TDA18212=m
CONFIG_VIDEO_V4L2=m
CONFIG_VIDEOBUF_GEN=m
CONFIG_VIDEOBUF_DMA_SG=m
CONFIG_VIDEOBUF_VMALLOC=m
CONFIG_VIDEOBUF_DMA_CONTIG=m
CONFIG_VIDEOBUF_DVB=m
CONFIG_VIDEO_BTCX=m
CONFIG_VIDEO_TVEEPROM=m
CONFIG_VIDEO_TUNER=m
CONFIG_V4L2_MEM2MEM_DEV=m
CONFIG_VIDEOBUF2_CORE=m
CONFIG_VIDEOBUF2_MEMOPS=m
CONFIG_VIDEOBUF2_DMA_CONTIG=m
CONFIG_VIDEOBUF2_VMALLOC=m
CONFIG_VIDEO_CAPTURE_DRIVERS=y
CONFIG_VIDEO_ADV_DEBUG=y
CONFIG_VIDEO_FIXED_MINOR_RANGES=y
CONFIG_VIDEO_HELPER_CHIPS_AUTO=y
CONFIG_VIDEO_IR_I2C=m
#
# Audio decoders, processors and mixers
#
CONFIG_VIDEO_TVAUDIO=m
CONFIG_VIDEO_TDA7432=m
CONFIG_VIDEO_TDA9840=m
CONFIG_VIDEO_TEA6415C=m
CONFIG_VIDEO_TEA6420=m
CONFIG_VIDEO_MSP3400=m
CONFIG_VIDEO_CS5345=m
CONFIG_VIDEO_CS53L32A=m
CONFIG_VIDEO_WM8775=m
CONFIG_VIDEO_WM8739=m
CONFIG_VIDEO_VP27SMPX=m
#
# RDS decoders
#
CONFIG_VIDEO_SAA6588=m
#
# Video decoders
#
CONFIG_VIDEO_ADV7180=m
CONFIG_VIDEO_BT819=m
CONFIG_VIDEO_BT856=m
CONFIG_VIDEO_BT866=m
CONFIG_VIDEO_KS0127=m
CONFIG_VIDEO_SAA7110=m
CONFIG_VIDEO_SAA711X=m
CONFIG_VIDEO_TVP5150=m
CONFIG_VIDEO_VPX3220=m
#
# Video and audio decoders
#
CONFIG_VIDEO_SAA717X=m
CONFIG_VIDEO_CX25840=m
#
# MPEG video encoders
#
CONFIG_VIDEO_CX2341X=m
#
# Video encoders
#
CONFIG_VIDEO_SAA7127=m
CONFIG_VIDEO_SAA7185=m
CONFIG_VIDEO_ADV7170=m
CONFIG_VIDEO_ADV7175=m
#
# Camera sensor devices
#
CONFIG_VIDEO_OV7670=m
CONFIG_VIDEO_MT9V011=m
#
# Flash devices
#
#
# Video improvement chips
#
CONFIG_VIDEO_UPD64031A=m
CONFIG_VIDEO_UPD64083=m
#
# Miscelaneous helper chips
#
CONFIG_VIDEO_M52790=m
CONFIG_VIDEO_VIVI=m
CONFIG_V4L_USB_DRIVERS=y
CONFIG_USB_VIDEO_CLASS=m
CONFIG_USB_VIDEO_CLASS_INPUT_EVDEV=y
CONFIG_USB_GSPCA=m
CONFIG_USB_M5602=m
CONFIG_USB_STV06XX=m
CONFIG_USB_GL860=m
CONFIG_USB_GSPCA_BENQ=m
CONFIG_USB_GSPCA_CONEX=m
CONFIG_USB_GSPCA_CPIA1=m
CONFIG_USB_GSPCA_ETOMS=m
CONFIG_USB_GSPCA_FINEPIX=m
CONFIG_USB_GSPCA_JEILINJ=m
CONFIG_USB_GSPCA_JL2005BCD=m
CONFIG_USB_GSPCA_KINECT=m
CONFIG_USB_GSPCA_KONICA=m
CONFIG_USB_GSPCA_MARS=m
CONFIG_USB_GSPCA_MR97310A=m
CONFIG_USB_GSPCA_NW80X=m
CONFIG_USB_GSPCA_OV519=m
CONFIG_USB_GSPCA_OV534=m
CONFIG_USB_GSPCA_OV534_9=m
CONFIG_USB_GSPCA_PAC207=m
CONFIG_USB_GSPCA_PAC7302=m
CONFIG_USB_GSPCA_PAC7311=m
CONFIG_USB_GSPCA_SE401=m
CONFIG_USB_GSPCA_SN9C2028=m
CONFIG_USB_GSPCA_SN9C20X=m
CONFIG_USB_GSPCA_SONIXB=m
CONFIG_USB_GSPCA_SONIXJ=m
CONFIG_USB_GSPCA_SPCA500=m
CONFIG_USB_GSPCA_SPCA501=m
CONFIG_USB_GSPCA_SPCA505=m
CONFIG_USB_GSPCA_SPCA506=m
CONFIG_USB_GSPCA_SPCA508=m
CONFIG_USB_GSPCA_SPCA561=m
CONFIG_USB_GSPCA_SPCA1528=m
CONFIG_USB_GSPCA_SQ905=m
CONFIG_USB_GSPCA_SQ905C=m
CONFIG_USB_GSPCA_SQ930X=m
CONFIG_USB_GSPCA_STK014=m
CONFIG_USB_GSPCA_STV0680=m
CONFIG_USB_GSPCA_SUNPLUS=m
CONFIG_USB_GSPCA_T613=m
CONFIG_USB_GSPCA_TOPRO=m
CONFIG_USB_GSPCA_TV8532=m
CONFIG_USB_GSPCA_VC032X=m
CONFIG_USB_GSPCA_VICAM=m
CONFIG_USB_GSPCA_XIRLINK_CIT=m
CONFIG_USB_GSPCA_ZC3XX=m
CONFIG_VIDEO_PVRUSB2=m
CONFIG_VIDEO_PVRUSB2_SYSFS=y
CONFIG_VIDEO_PVRUSB2_DVB=y
CONFIG_VIDEO_PVRUSB2_DEBUGIFC=y
CONFIG_VIDEO_HDPVR=m
CONFIG_VIDEO_EM28XX=m
CONFIG_VIDEO_EM28XX_ALSA=m
CONFIG_VIDEO_EM28XX_DVB=m
CONFIG_VIDEO_EM28XX_RC=y
CONFIG_VIDEO_TLG2300=m
CONFIG_VIDEO_CX231XX=m
CONFIG_VIDEO_CX231XX_RC=y
CONFIG_VIDEO_CX231XX_ALSA=m
CONFIG_VIDEO_CX231XX_DVB=m
CONFIG_VIDEO_TM6000=m
CONFIG_VIDEO_TM6000_ALSA=m
CONFIG_VIDEO_TM6000_DVB=m
CONFIG_VIDEO_USBVISION=m
# CONFIG_USB_ET61X251 is not set
CONFIG_USB_SN9C102=m
CONFIG_USB_PWC=m
CONFIG_USB_PWC_DEBUG=y
CONFIG_USB_PWC_INPUT_EVDEV=y
CONFIG_VIDEO_CPIA2=m
CONFIG_USB_ZR364XX=m
CONFIG_USB_STKWEBCAM=m
CONFIG_USB_S2255=m
CONFIG_V4L_PCI_DRIVERS=y
CONFIG_VIDEO_AU0828=m
CONFIG_VIDEO_BT848=m
CONFIG_VIDEO_BT848_DVB=y
CONFIG_VIDEO_CX18=m
CONFIG_VIDEO_CX18_ALSA=m
CONFIG_VIDEO_CX23885=m
CONFIG_MEDIA_ALTERA_CI=m
CONFIG_VIDEO_CX25821=m
CONFIG_VIDEO_CX25821_ALSA=m
CONFIG_VIDEO_CX88=m
CONFIG_VIDEO_CX88_ALSA=m
CONFIG_VIDEO_CX88_BLACKBIRD=m
CONFIG_VIDEO_CX88_DVB=m
CONFIG_VIDEO_CX88_VP3054=m
CONFIG_VIDEO_CX88_MPEG=m
CONFIG_VIDEO_HEXIUM_GEMINI=m
CONFIG_VIDEO_HEXIUM_ORION=m
CONFIG_VIDEO_IVTV=m
CONFIG_VIDEO_FB_IVTV=m
CONFIG_VIDEO_MEYE=m
CONFIG_VIDEO_MXB=m
CONFIG_VIDEO_SAA7134=m
CONFIG_VIDEO_SAA7134_ALSA=m
CONFIG_VIDEO_SAA7134_RC=y
CONFIG_VIDEO_SAA7134_DVB=m
CONFIG_VIDEO_SAA7164=m
CONFIG_VIDEO_ZORAN=m
CONFIG_VIDEO_ZORAN_DC30=m
CONFIG_VIDEO_ZORAN_ZR36060=m
CONFIG_VIDEO_ZORAN_BUZ=m
CONFIG_VIDEO_ZORAN_DC10=m
CONFIG_VIDEO_ZORAN_LML33=m
CONFIG_VIDEO_ZORAN_LML33R10=m
CONFIG_VIDEO_ZORAN_AVS6EYES=m
CONFIG_V4L_ISA_PARPORT_DRIVERS=y
CONFIG_VIDEO_BWQCAM=m
CONFIG_VIDEO_CQCAM=m
CONFIG_VIDEO_PMS=m
CONFIG_VIDEO_W9966=m
CONFIG_V4L_PLATFORM_DRIVERS=y
CONFIG_VIDEO_CAFE_CCIC=m
CONFIG_VIDEO_VIA_CAMERA=m
CONFIG_VIDEO_TIMBERDALE=m
CONFIG_SOC_CAMERA=m
CONFIG_SOC_CAMERA_IMX074=m
CONFIG_SOC_CAMERA_MT9M001=m
CONFIG_SOC_CAMERA_MT9M111=m
CONFIG_SOC_CAMERA_MT9T031=m
CONFIG_SOC_CAMERA_MT9T112=m
CONFIG_SOC_CAMERA_MT9V022=m
CONFIG_SOC_CAMERA_RJ54N1=m
CONFIG_SOC_CAMERA_TW9910=m
CONFIG_SOC_CAMERA_PLATFORM=m
CONFIG_SOC_CAMERA_OV2640=m
CONFIG_SOC_CAMERA_OV5642=m
CONFIG_SOC_CAMERA_OV6650=m
CONFIG_SOC_CAMERA_OV772X=m
CONFIG_SOC_CAMERA_OV9640=m
CONFIG_SOC_CAMERA_OV9740=m
CONFIG_V4L_MEM2MEM_DRIVERS=y
CONFIG_VIDEO_MEM2MEM_TESTDEV=m
CONFIG_RADIO_ADAPTERS=y
CONFIG_RADIO_SI470X=y
CONFIG_USB_SI470X=m
CONFIG_I2C_SI470X=m
CONFIG_USB_MR800=m
CONFIG_USB_DSBR=m
CONFIG_RADIO_MAXIRADIO=m
CONFIG_I2C_SI4713=m
CONFIG_RADIO_SI4713=m
CONFIG_USB_KEENE=m
CONFIG_RADIO_TEA5764=m
CONFIG_RADIO_SAA7706H=m
CONFIG_RADIO_TEF6862=m
CONFIG_RADIO_TIMBERDALE=m
CONFIG_RADIO_WL1273=m
#
# Texas Instruments WL128x FM driver (ST based)
#
CONFIG_RADIO_WL128X=m
CONFIG_V4L_RADIO_ISA_DRIVERS=y
CONFIG_RADIO_ISA=m
CONFIG_RADIO_CADET=m
CONFIG_RADIO_RTRACK=m
CONFIG_RADIO_RTRACK2=m
CONFIG_RADIO_AZTECH=m
CONFIG_RADIO_GEMTEK=m
CONFIG_RADIO_MIROPCM20=m
CONFIG_RADIO_SF16FMI=m
CONFIG_RADIO_SF16FMR2=m
CONFIG_RADIO_TERRATEC=m
CONFIG_RADIO_TRUST=m
CONFIG_RADIO_TYPHOON=m
CONFIG_RADIO_ZOLTRIX=m
CONFIG_DVB_MAX_ADAPTERS=8
CONFIG_DVB_DYNAMIC_MINORS=y
CONFIG_DVB_CAPTURE_DRIVERS=y
#
# Supported SAA7146 based PCI Adapters
#
CONFIG_TTPCI_EEPROM=m
CONFIG_DVB_AV7110=m
CONFIG_DVB_AV7110_OSD=y
CONFIG_DVB_BUDGET_CORE=m
CONFIG_DVB_BUDGET=m
CONFIG_DVB_BUDGET_CI=m
CONFIG_DVB_BUDGET_AV=m
CONFIG_DVB_BUDGET_PATCH=m
#
# Supported USB Adapters
#
CONFIG_DVB_USB=m
CONFIG_DVB_USB_DEBUG=y
CONFIG_DVB_USB_A800=m
CONFIG_DVB_USB_DIBUSB_MB=m
CONFIG_DVB_USB_DIBUSB_MB_FAULTY=y
CONFIG_DVB_USB_DIBUSB_MC=m
CONFIG_DVB_USB_DIB0700=m
CONFIG_DVB_USB_UMT_010=m
CONFIG_DVB_USB_CXUSB=m
CONFIG_DVB_USB_M920X=m
CONFIG_DVB_USB_GL861=m
CONFIG_DVB_USB_AU6610=m
CONFIG_DVB_USB_DIGITV=m
CONFIG_DVB_USB_VP7045=m
CONFIG_DVB_USB_VP702X=m
CONFIG_DVB_USB_GP8PSK=m
CONFIG_DVB_USB_NOVA_T_USB2=m
CONFIG_DVB_USB_TTUSB2=m
CONFIG_DVB_USB_DTT200U=m
CONFIG_DVB_USB_OPERA1=m
CONFIG_DVB_USB_AF9005=m
CONFIG_DVB_USB_AF9005_REMOTE=m
CONFIG_DVB_USB_PCTV452E=m
CONFIG_DVB_USB_DW2102=m
CONFIG_DVB_USB_CINERGY_T2=m
CONFIG_DVB_USB_ANYSEE=m
CONFIG_DVB_USB_DTV5100=m
CONFIG_DVB_USB_AF9015=m
CONFIG_DVB_USB_CE6230=m
CONFIG_DVB_USB_FRIIO=m
CONFIG_DVB_USB_EC168=m
CONFIG_DVB_USB_AZ6007=m
CONFIG_DVB_USB_AZ6027=m
CONFIG_DVB_USB_LME2510=m
CONFIG_DVB_USB_TECHNISAT_USB2=m
CONFIG_DVB_USB_IT913X=m
CONFIG_DVB_USB_MXL111SF=m
CONFIG_DVB_USB_RTL28XXU=m
CONFIG_DVB_TTUSB_BUDGET=m
CONFIG_DVB_TTUSB_DEC=m
CONFIG_SMS_SIANO_MDTV=m
#
# Siano module components
#
CONFIG_SMS_USB_DRV=m
CONFIG_SMS_SDIO_DRV=m
#
# Supported FlexCopII (B2C2) Adapters
#
CONFIG_DVB_B2C2_FLEXCOP=m
CONFIG_DVB_B2C2_FLEXCOP_PCI=m
CONFIG_DVB_B2C2_FLEXCOP_USB=m
CONFIG_DVB_B2C2_FLEXCOP_DEBUG=y
#
# Supported BT878 Adapters
#
CONFIG_DVB_BT8XX=m
#
# Supported Pluto2 Adapters
#
CONFIG_DVB_PLUTO2=m
#
# Supported SDMC DM1105 Adapters
#
CONFIG_DVB_DM1105=m
#
# Supported FireWire (IEEE 1394) Adapters
#
CONFIG_DVB_FIREDTV=m
CONFIG_DVB_FIREDTV_INPUT=y
#
# Supported Earthsoft PT1 Adapters
#
CONFIG_DVB_PT1=m
#
# Supported Mantis Adapters
#
CONFIG_MANTIS_CORE=m
CONFIG_DVB_MANTIS=m
CONFIG_DVB_HOPPER=m
#
# Supported nGene Adapters
#
CONFIG_DVB_NGENE=m
#
# Supported ddbridge ('Octopus') Adapters
#
CONFIG_DVB_DDBRIDGE=m
#
# Supported DVB Frontends
#
CONFIG_DVB_FE_CUSTOMISE=y
#
# Customise DVB Frontends
#
#
# Multistandard (satellite) frontends
#
CONFIG_DVB_STB0899=m
CONFIG_DVB_STB6100=m
CONFIG_DVB_STV090x=m
CONFIG_DVB_STV6110x=m
#
# Multistandard (cable + terrestrial) frontends
#
CONFIG_DVB_DRXK=m
CONFIG_DVB_TDA18271C2DD=m
#
# DVB-S (satellite) frontends
#
CONFIG_DVB_CX24110=m
CONFIG_DVB_CX24123=m
CONFIG_DVB_MT312=m
CONFIG_DVB_ZL10036=m
CONFIG_DVB_ZL10039=m
CONFIG_DVB_S5H1420=m
CONFIG_DVB_STV0288=m
CONFIG_DVB_STB6000=m
CONFIG_DVB_STV0299=m
CONFIG_DVB_STV6110=m
CONFIG_DVB_STV0900=m
CONFIG_DVB_TDA8083=m
CONFIG_DVB_TDA10086=m
CONFIG_DVB_TDA8261=m
CONFIG_DVB_VES1X93=m
CONFIG_DVB_TUNER_ITD1000=m
CONFIG_DVB_TUNER_CX24113=m
CONFIG_DVB_TDA826X=m
CONFIG_DVB_TUA6100=m
CONFIG_DVB_CX24116=m
CONFIG_DVB_SI21XX=m
CONFIG_DVB_DS3000=m
CONFIG_DVB_MB86A16=m
CONFIG_DVB_TDA10071=m
#
# DVB-T (terrestrial) frontends
#
CONFIG_DVB_SP8870=m
CONFIG_DVB_SP887X=m
CONFIG_DVB_CX22700=m
CONFIG_DVB_CX22702=m
CONFIG_DVB_S5H1432=m
CONFIG_DVB_DRXD=m
CONFIG_DVB_L64781=m
CONFIG_DVB_TDA1004X=m
CONFIG_DVB_NXT6000=m
CONFIG_DVB_MT352=m
CONFIG_DVB_ZL10353=m
CONFIG_DVB_DIB3000MB=m
CONFIG_DVB_DIB3000MC=m
CONFIG_DVB_DIB7000M=m
CONFIG_DVB_DIB7000P=m
CONFIG_DVB_DIB9000=m
CONFIG_DVB_TDA10048=m
CONFIG_DVB_AF9013=m
CONFIG_DVB_EC100=m
CONFIG_DVB_HD29L2=m
CONFIG_DVB_STV0367=m
CONFIG_DVB_CXD2820R=m
CONFIG_DVB_RTL2830=m
#
# DVB-C (cable) frontends
#
CONFIG_DVB_VES1820=m
CONFIG_DVB_TDA10021=m
CONFIG_DVB_TDA10023=m
CONFIG_DVB_STV0297=m
#
# ATSC (North American/Korean Terrestrial/Cable DTV) frontends
#
CONFIG_DVB_NXT200X=m
CONFIG_DVB_OR51211=m
CONFIG_DVB_OR51132=m
CONFIG_DVB_BCM3510=m
CONFIG_DVB_LGDT330X=m
CONFIG_DVB_LGDT3305=m
CONFIG_DVB_S5H1409=m
CONFIG_DVB_AU8522=m
CONFIG_DVB_S5H1411=m
#
# ISDB-T (terrestrial) frontends
#
CONFIG_DVB_S921=m
CONFIG_DVB_DIB8000=m
CONFIG_DVB_MB86A20S=m
#
# Digital terrestrial only tuners/PLL
#
CONFIG_DVB_PLL=m
CONFIG_DVB_TUNER_DIB0070=m
CONFIG_DVB_TUNER_DIB0090=m
#
# SEC control devices for DVB-S
#
CONFIG_DVB_LNBP21=m
CONFIG_DVB_LNBP22=m
CONFIG_DVB_ISL6405=m
CONFIG_DVB_ISL6421=m
CONFIG_DVB_ISL6423=m
CONFIG_DVB_A8293=m
CONFIG_DVB_LGS8GL5=m
CONFIG_DVB_LGS8GXX=m
CONFIG_DVB_ATBM8830=m
CONFIG_DVB_TDA665x=m
CONFIG_DVB_IX2505V=m
CONFIG_DVB_IT913X_FE=m
CONFIG_DVB_M88RS2000=m
#
# Tools to develop new frontends
#
CONFIG_DVB_DUMMY_FE=m
#
# Graphics support
#
CONFIG_AGP=m
CONFIG_AGP_ALI=m
CONFIG_AGP_ATI=m
CONFIG_AGP_AMD=m
CONFIG_AGP_AMD64=m
CONFIG_AGP_INTEL=m
CONFIG_AGP_NVIDIA=m
CONFIG_AGP_SIS=m
CONFIG_AGP_SWORKS=m
CONFIG_AGP_VIA=m
CONFIG_AGP_EFFICEON=m
CONFIG_VGA_ARB=y
CONFIG_VGA_ARB_MAX_GPUS=16
CONFIG_VGA_SWITCHEROO=y
CONFIG_DRM=m
CONFIG_DRM_USB=m
CONFIG_DRM_KMS_HELPER=m
CONFIG_DRM_LOAD_EDID_FIRMWARE=y
CONFIG_DRM_TTM=m
CONFIG_DRM_TDFX=m
CONFIG_DRM_R128=m
CONFIG_DRM_RADEON=m
CONFIG_DRM_RADEON_KMS=y
CONFIG_DRM_NOUVEAU=m
CONFIG_DRM_NOUVEAU_BACKLIGHT=y
CONFIG_DRM_NOUVEAU_DEBUG=y
#
# I2C encoder or helper chips
#
CONFIG_DRM_I2C_CH7006=m
CONFIG_DRM_I2C_SIL164=m
CONFIG_DRM_I810=m
CONFIG_DRM_I915=m
CONFIG_DRM_I915_KMS=y
CONFIG_DRM_MGA=m
CONFIG_DRM_SIS=m
CONFIG_DRM_VIA=m
CONFIG_DRM_SAVAGE=m
CONFIG_DRM_VMWGFX=m
CONFIG_DRM_GMA500=m
CONFIG_DRM_GMA600=y
CONFIG_DRM_GMA3600=y
CONFIG_DRM_MEDFIELD=y
CONFIG_DRM_UDL=m
CONFIG_STUB_POULSBO=m
CONFIG_VGASTATE=m
CONFIG_VIDEO_OUTPUT_CONTROL=m
CONFIG_FB=m
CONFIG_FIRMWARE_EDID=y
CONFIG_FB_DDC=m
# CONFIG_FB_BOOT_VESA_SUPPORT is not set
CONFIG_FB_CFB_FILLRECT=m
CONFIG_FB_CFB_COPYAREA=m
CONFIG_FB_CFB_IMAGEBLIT=m
# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set
CONFIG_FB_SYS_FILLRECT=m
CONFIG_FB_SYS_COPYAREA=m
CONFIG_FB_SYS_IMAGEBLIT=m
CONFIG_FB_FOREIGN_ENDIAN=y
CONFIG_FB_BOTH_ENDIAN=y
# CONFIG_FB_BIG_ENDIAN is not set
# CONFIG_FB_LITTLE_ENDIAN is not set
CONFIG_FB_SYS_FOPS=m
# CONFIG_FB_WMT_GE_ROPS is not set
CONFIG_FB_DEFERRED_IO=y
CONFIG_FB_HECUBA=m
CONFIG_FB_SVGALIB=m
# CONFIG_FB_MACMODES is not set
CONFIG_FB_BACKLIGHT=y
CONFIG_FB_MODE_HELPERS=y
CONFIG_FB_TILEBLITTING=y
#
# Frame buffer hardware drivers
#
CONFIG_FB_CIRRUS=m
CONFIG_FB_PM2=m
CONFIG_FB_PM2_FIFO_DISCONNECT=y
CONFIG_FB_CYBER2000=m
CONFIG_FB_CYBER2000_DDC=y
CONFIG_FB_ARC=m
CONFIG_FB_VGA16=m
CONFIG_FB_UVESA=m
CONFIG_FB_N411=m
CONFIG_FB_HGA=m
CONFIG_FB_S1D13XXX=m
CONFIG_FB_NVIDIA=m
CONFIG_FB_NVIDIA_I2C=y
CONFIG_FB_NVIDIA_DEBUG=y
CONFIG_FB_NVIDIA_BACKLIGHT=y
CONFIG_FB_RIVA=m
CONFIG_FB_RIVA_I2C=y
CONFIG_FB_RIVA_DEBUG=y
CONFIG_FB_RIVA_BACKLIGHT=y
CONFIG_FB_I740=m
CONFIG_FB_I810=m
CONFIG_FB_I810_GTF=y
CONFIG_FB_I810_I2C=y
CONFIG_FB_LE80578=m
CONFIG_FB_CARILLO_RANCH=m
CONFIG_FB_INTEL=m
CONFIG_FB_INTEL_DEBUG=y
CONFIG_FB_INTEL_I2C=y
CONFIG_FB_MATROX=m
CONFIG_FB_MATROX_MILLENIUM=y
CONFIG_FB_MATROX_MYSTIQUE=y
CONFIG_FB_MATROX_G=y
CONFIG_FB_MATROX_I2C=m
CONFIG_FB_MATROX_MAVEN=m
CONFIG_FB_RADEON=m
CONFIG_FB_RADEON_I2C=y
CONFIG_FB_RADEON_BACKLIGHT=y
CONFIG_FB_RADEON_DEBUG=y
CONFIG_FB_ATY128=m
CONFIG_FB_ATY128_BACKLIGHT=y
CONFIG_FB_ATY=m
CONFIG_FB_ATY_CT=y
CONFIG_FB_ATY_GENERIC_LCD=y
CONFIG_FB_ATY_GX=y
CONFIG_FB_ATY_BACKLIGHT=y
CONFIG_FB_S3=m
CONFIG_FB_S3_DDC=y
CONFIG_FB_SAVAGE=m
CONFIG_FB_SAVAGE_I2C=y
CONFIG_FB_SAVAGE_ACCEL=y
CONFIG_FB_SIS=m
CONFIG_FB_SIS_300=y
CONFIG_FB_SIS_315=y
CONFIG_FB_VIA=m
CONFIG_FB_VIA_DIRECT_PROCFS=y
CONFIG_FB_VIA_X_COMPATIBILITY=y
CONFIG_FB_NEOMAGIC=m
CONFIG_FB_KYRO=m
CONFIG_FB_3DFX=m
CONFIG_FB_3DFX_ACCEL=y
CONFIG_FB_3DFX_I2C=y
CONFIG_FB_VOODOO1=m
CONFIG_FB_VT8623=m
CONFIG_FB_TRIDENT=m
CONFIG_FB_ARK=m
CONFIG_FB_PM3=m
CONFIG_FB_CARMINE=m
CONFIG_FB_CARMINE_DRAM_EVAL=y
# CONFIG_CARMINE_DRAM_CUSTOM is not set
CONFIG_FB_GEODE=y
CONFIG_FB_GEODE_LX=m
CONFIG_FB_GEODE_GX=m
CONFIG_FB_GEODE_GX1=m
CONFIG_FB_TMIO=m
CONFIG_FB_TMIO_ACCELL=y
CONFIG_FB_SM501=m
CONFIG_FB_SMSCUFX=m
CONFIG_FB_UDL=m
CONFIG_FB_VIRTUAL=m
CONFIG_FB_METRONOME=m
CONFIG_FB_MB862XX=m
CONFIG_FB_MB862XX_PCI_GDC=y
CONFIG_FB_MB862XX_I2C=y
CONFIG_FB_BROADSHEET=m
CONFIG_EXYNOS_VIDEO=y
CONFIG_BACKLIGHT_LCD_SUPPORT=y
CONFIG_LCD_CLASS_DEVICE=m
CONFIG_LCD_L4F00242T03=m
CONFIG_LCD_LMS283GF05=m
CONFIG_LCD_LTV350QV=m
CONFIG_LCD_ILI9320=m
CONFIG_LCD_TDO24M=m
CONFIG_LCD_VGG2432A4=m
CONFIG_LCD_PLATFORM=m
CONFIG_LCD_S6E63M0=m
CONFIG_LCD_LD9040=m
CONFIG_LCD_AMS369FG06=m
CONFIG_BACKLIGHT_CLASS_DEVICE=m
CONFIG_BACKLIGHT_GENERIC=m
CONFIG_BACKLIGHT_PROGEAR=m
CONFIG_BACKLIGHT_CARILLO_RANCH=m
CONFIG_BACKLIGHT_DA903X=m
# CONFIG_BACKLIGHT_DA9052 is not set
CONFIG_BACKLIGHT_MAX8925=m
CONFIG_BACKLIGHT_APPLE=m
CONFIG_BACKLIGHT_SAHARA=m
CONFIG_BACKLIGHT_WM831X=m
CONFIG_BACKLIGHT_ADP5520=m
CONFIG_BACKLIGHT_ADP8860=m
CONFIG_BACKLIGHT_ADP8870=m
CONFIG_BACKLIGHT_88PM860X=m
CONFIG_BACKLIGHT_PCF50633=m
CONFIG_BACKLIGHT_AAT2870=m
CONFIG_BACKLIGHT_LP855X=m
CONFIG_BACKLIGHT_OT200=m
CONFIG_BACKLIGHT_PANDORA=m
#
# Console display driver support
#
CONFIG_VGA_CONSOLE=y
CONFIG_VGACON_SOFT_SCROLLBACK=y
CONFIG_VGACON_SOFT_SCROLLBACK_SIZE=64
CONFIG_MDA_CONSOLE=m
CONFIG_DUMMY_CONSOLE=y
CONFIG_FRAMEBUFFER_CONSOLE=m
CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y
CONFIG_FRAMEBUFFER_CONSOLE_ROTATION=y
CONFIG_FONTS=y
CONFIG_FONT_8x8=y
CONFIG_FONT_8x16=y
CONFIG_FONT_6x11=y
CONFIG_FONT_7x14=y
CONFIG_FONT_PEARL_8x8=y
CONFIG_FONT_ACORN_8x8=y
CONFIG_FONT_MINI_4x6=y
CONFIG_FONT_SUN8x16=y
CONFIG_FONT_SUN12x22=y
CONFIG_FONT_10x18=y
CONFIG_LOGO=y
CONFIG_LOGO_LINUX_MONO=y
CONFIG_LOGO_LINUX_VGA16=y
CONFIG_LOGO_LINUX_CLUT224=y
CONFIG_SOUND=m
CONFIG_SOUND_OSS_CORE=y
CONFIG_SOUND_OSS_CORE_PRECLAIM=y
CONFIG_SND=m
CONFIG_SND_TIMER=m
CONFIG_SND_PCM=m
CONFIG_SND_HWDEP=m
CONFIG_SND_RAWMIDI=m
CONFIG_SND_JACK=y
CONFIG_SND_SEQUENCER=m
CONFIG_SND_SEQ_DUMMY=m
CONFIG_SND_OSSEMUL=y
CONFIG_SND_MIXER_OSS=m
CONFIG_SND_PCM_OSS=m
CONFIG_SND_PCM_OSS_PLUGINS=y
CONFIG_SND_SEQUENCER_OSS=y
CONFIG_SND_HRTIMER=m
CONFIG_SND_SEQ_HRTIMER_DEFAULT=y
CONFIG_SND_DYNAMIC_MINORS=y
CONFIG_SND_SUPPORT_OLD_API=y
CONFIG_SND_VERBOSE_PROCFS=y
CONFIG_SND_VERBOSE_PRINTK=y
CONFIG_SND_DEBUG=y
CONFIG_SND_DEBUG_VERBOSE=y
CONFIG_SND_PCM_XRUN_DEBUG=y
CONFIG_SND_VMASTER=y
CONFIG_SND_KCTL_JACK=y
CONFIG_SND_DMA_SGBUF=y
CONFIG_SND_RAWMIDI_SEQ=m
CONFIG_SND_OPL3_LIB_SEQ=m
CONFIG_SND_OPL4_LIB_SEQ=m
CONFIG_SND_SBAWE_SEQ=m
CONFIG_SND_EMU10K1_SEQ=m
CONFIG_SND_MPU401_UART=m
CONFIG_SND_OPL3_LIB=m
CONFIG_SND_OPL4_LIB=m
CONFIG_SND_VX_LIB=m
CONFIG_SND_AC97_CODEC=m
CONFIG_SND_DRIVERS=y
CONFIG_SND_PCSP=m
CONFIG_SND_DUMMY=m
CONFIG_SND_ALOOP=m
CONFIG_SND_VIRMIDI=m
CONFIG_SND_MTPAV=m
CONFIG_SND_MTS64=m
CONFIG_SND_SERIAL_U16550=m
CONFIG_SND_MPU401=m
CONFIG_SND_PORTMAN2X4=m
CONFIG_SND_AC97_POWER_SAVE=y
CONFIG_SND_AC97_POWER_SAVE_DEFAULT=0
CONFIG_SND_WSS_LIB=m
CONFIG_SND_SB_COMMON=m
CONFIG_SND_SB8_DSP=m
CONFIG_SND_SB16_DSP=m
CONFIG_SND_ISA=y
CONFIG_SND_ADLIB=m
CONFIG_SND_AD1816A=m
CONFIG_SND_AD1848=m
CONFIG_SND_ALS100=m
CONFIG_SND_AZT1605=m
CONFIG_SND_AZT2316=m
CONFIG_SND_AZT2320=m
CONFIG_SND_CMI8330=m
CONFIG_SND_CS4231=m
CONFIG_SND_CS4236=m
CONFIG_SND_ES1688=m
CONFIG_SND_ES18XX=m
CONFIG_SND_SC6000=m
CONFIG_SND_GUSCLASSIC=m
CONFIG_SND_GUSEXTREME=m
CONFIG_SND_GUSMAX=m
CONFIG_SND_INTERWAVE=m
CONFIG_SND_INTERWAVE_STB=m
CONFIG_SND_JAZZ16=m
CONFIG_SND_OPL3SA2=m
CONFIG_SND_OPTI92X_AD1848=m
CONFIG_SND_OPTI92X_CS4231=m
CONFIG_SND_OPTI93X=m
CONFIG_SND_MIRO=m
CONFIG_SND_SB8=m
CONFIG_SND_SB16=m
CONFIG_SND_SBAWE=m
CONFIG_SND_SB16_CSP=y
CONFIG_SND_SSCAPE=m
CONFIG_SND_WAVEFRONT=m
CONFIG_SND_MSND_PINNACLE=m
CONFIG_SND_MSND_CLASSIC=m
CONFIG_SND_TEA575X=m
CONFIG_SND_PCI=y
CONFIG_SND_AD1889=m
CONFIG_SND_ALS300=m
CONFIG_SND_ALS4000=m
CONFIG_SND_ALI5451=m
CONFIG_SND_ASIHPI=m
CONFIG_SND_ATIIXP=m
CONFIG_SND_ATIIXP_MODEM=m
CONFIG_SND_AU8810=m
CONFIG_SND_AU8820=m
CONFIG_SND_AU8830=m
CONFIG_SND_AW2=m
CONFIG_SND_AZT3328=m
CONFIG_SND_BT87X=m
CONFIG_SND_BT87X_OVERCLOCK=y
CONFIG_SND_CA0106=m
CONFIG_SND_CMIPCI=m
CONFIG_SND_OXYGEN_LIB=m
CONFIG_SND_OXYGEN=m
CONFIG_SND_CS4281=m
CONFIG_SND_CS46XX=m
CONFIG_SND_CS46XX_NEW_DSP=y
CONFIG_SND_CS5530=m
CONFIG_SND_CS5535AUDIO=m
CONFIG_SND_CTXFI=m
CONFIG_SND_DARLA20=m
CONFIG_SND_GINA20=m
CONFIG_SND_LAYLA20=m
CONFIG_SND_DARLA24=m
CONFIG_SND_GINA24=m
CONFIG_SND_LAYLA24=m
CONFIG_SND_MONA=m
CONFIG_SND_MIA=m
CONFIG_SND_ECHO3G=m
CONFIG_SND_INDIGO=m
CONFIG_SND_INDIGOIO=m
CONFIG_SND_INDIGODJ=m
CONFIG_SND_INDIGOIOX=m
CONFIG_SND_INDIGODJX=m
CONFIG_SND_EMU10K1=m
CONFIG_SND_EMU10K1X=m
CONFIG_SND_ENS1370=m
CONFIG_SND_ENS1371=m
CONFIG_SND_ES1938=m
CONFIG_SND_ES1968=m
CONFIG_SND_ES1968_INPUT=y
CONFIG_SND_ES1968_RADIO=y
CONFIG_SND_FM801=m
CONFIG_SND_FM801_TEA575X_BOOL=y
CONFIG_SND_HDA_INTEL=m
CONFIG_SND_HDA_PREALLOC_SIZE=64
CONFIG_SND_HDA_HWDEP=y
CONFIG_SND_HDA_RECONFIG=y
CONFIG_SND_HDA_INPUT_BEEP=y
CONFIG_SND_HDA_INPUT_BEEP_MODE=1
CONFIG_SND_HDA_INPUT_JACK=y
CONFIG_SND_HDA_PATCH_LOADER=y
CONFIG_SND_HDA_CODEC_REALTEK=y
CONFIG_SND_HDA_ENABLE_REALTEK_QUIRKS=y
CONFIG_SND_HDA_CODEC_ANALOG=y
CONFIG_SND_HDA_CODEC_SIGMATEL=y
CONFIG_SND_HDA_CODEC_VIA=y
CONFIG_SND_HDA_CODEC_HDMI=y
CONFIG_SND_HDA_CODEC_CIRRUS=y
CONFIG_SND_HDA_CODEC_CONEXANT=y
CONFIG_SND_HDA_CODEC_CA0110=y
CONFIG_SND_HDA_CODEC_CA0132=y
CONFIG_SND_HDA_CODEC_CMEDIA=y
CONFIG_SND_HDA_CODEC_SI3054=y
CONFIG_SND_HDA_GENERIC=y
CONFIG_SND_HDA_POWER_SAVE=y
CONFIG_SND_HDA_POWER_SAVE_DEFAULT=0
CONFIG_SND_HDSP=m
CONFIG_SND_HDSPM=m
CONFIG_SND_ICE1712=m
CONFIG_SND_ICE1724=m
CONFIG_SND_INTEL8X0=m
CONFIG_SND_INTEL8X0M=m
CONFIG_SND_KORG1212=m
CONFIG_SND_LOLA=m
CONFIG_SND_LX6464ES=m
CONFIG_SND_MAESTRO3=m
CONFIG_SND_MAESTRO3_INPUT=y
CONFIG_SND_MIXART=m
CONFIG_SND_NM256=m
CONFIG_SND_PCXHR=m
CONFIG_SND_RIPTIDE=m
CONFIG_SND_RME32=m
CONFIG_SND_RME96=m
CONFIG_SND_RME9652=m
CONFIG_SND_SIS7019=m
CONFIG_SND_SONICVIBES=m
CONFIG_SND_TRIDENT=m
CONFIG_SND_VIA82XX=m
CONFIG_SND_VIA82XX_MODEM=m
CONFIG_SND_VIRTUOSO=m
CONFIG_SND_VX222=m
CONFIG_SND_YMFPCI=m
CONFIG_SND_SPI=y
CONFIG_SND_USB=y
CONFIG_SND_USB_AUDIO=m
CONFIG_SND_USB_UA101=m
CONFIG_SND_USB_USX2Y=m
CONFIG_SND_USB_CAIAQ=m
CONFIG_SND_USB_CAIAQ_INPUT=y
CONFIG_SND_USB_US122L=m
CONFIG_SND_USB_6FIRE=m
CONFIG_SND_FIREWIRE=y
CONFIG_SND_FIREWIRE_LIB=m
CONFIG_SND_FIREWIRE_SPEAKERS=m
CONFIG_SND_ISIGHT=m
CONFIG_SND_PCMCIA=y
CONFIG_SND_VXPOCKET=m
CONFIG_SND_PDAUDIOCF=m
CONFIG_SND_SOC=m
CONFIG_SND_MFLD_MACHINE=m
CONFIG_SND_SST_PLATFORM=m
CONFIG_SND_SOC_I2C_AND_SPI=m
CONFIG_SND_SOC_ALL_CODECS=m
CONFIG_SND_SOC_88PM860X=m
CONFIG_SND_SOC_WM_HUBS=m
CONFIG_SND_SOC_AD1836=m
CONFIG_SND_SOC_AD193X=m
CONFIG_SND_SOC_AD73311=m
CONFIG_SND_SOC_ADAU1373=m
CONFIG_SND_SOC_ADAV80X=m
CONFIG_SND_SOC_ADS117X=m
CONFIG_SND_SOC_AK4104=m
CONFIG_SND_SOC_AK4535=m
CONFIG_SND_SOC_AK4641=m
CONFIG_SND_SOC_AK4642=m
CONFIG_SND_SOC_AK4671=m
CONFIG_SND_SOC_ALC5623=m
CONFIG_SND_SOC_ALC5632=m
CONFIG_SND_SOC_CS42L51=m
CONFIG_SND_SOC_CS42L73=m
CONFIG_SND_SOC_CS4270=m
CONFIG_SND_SOC_CS4271=m
CONFIG_SND_SOC_CX20442=m
CONFIG_SND_SOC_JZ4740_CODEC=m
CONFIG_SND_SOC_L3=m
CONFIG_SND_SOC_DA7210=m
CONFIG_SND_SOC_DFBMCS320=m
CONFIG_SND_SOC_MAX98088=m
CONFIG_SND_SOC_MAX98095=m
CONFIG_SND_SOC_MAX9850=m
CONFIG_SND_SOC_PCM3008=m
CONFIG_SND_SOC_RT5631=m
CONFIG_SND_SOC_SGTL5000=m
CONFIG_SND_SOC_SN95031=m
CONFIG_SND_SOC_SPDIF=m
CONFIG_SND_SOC_SSM2602=m
CONFIG_SND_SOC_STA32X=m
CONFIG_SND_SOC_TLV320AIC23=m
CONFIG_SND_SOC_TLV320AIC26=m
CONFIG_SND_SOC_TLV320AIC32X4=m
CONFIG_SND_SOC_TLV320AIC3X=m
CONFIG_SND_SOC_TLV320DAC33=m
CONFIG_SND_SOC_TWL4030=m
CONFIG_SND_SOC_TWL6040=m
CONFIG_SND_SOC_UDA134X=m
CONFIG_SND_SOC_UDA1380=m
CONFIG_SND_SOC_WL1273=m
CONFIG_SND_SOC_WM1250_EV1=m
CONFIG_SND_SOC_WM2000=m
CONFIG_SND_SOC_WM2200=m
CONFIG_SND_SOC_WM5100=m
CONFIG_SND_SOC_WM8350=m
CONFIG_SND_SOC_WM8510=m
CONFIG_SND_SOC_WM8523=m
CONFIG_SND_SOC_WM8580=m
CONFIG_SND_SOC_WM8711=m
CONFIG_SND_SOC_WM8727=m
CONFIG_SND_SOC_WM8728=m
CONFIG_SND_SOC_WM8731=m
CONFIG_SND_SOC_WM8737=m
CONFIG_SND_SOC_WM8741=m
CONFIG_SND_SOC_WM8750=m
CONFIG_SND_SOC_WM8753=m
CONFIG_SND_SOC_WM8770=m
CONFIG_SND_SOC_WM8776=m
CONFIG_SND_SOC_WM8782=m
CONFIG_SND_SOC_WM8804=m
CONFIG_SND_SOC_WM8900=m
CONFIG_SND_SOC_WM8903=m
CONFIG_SND_SOC_WM8904=m
CONFIG_SND_SOC_WM8940=m
CONFIG_SND_SOC_WM8955=m
CONFIG_SND_SOC_WM8960=m
CONFIG_SND_SOC_WM8961=m
CONFIG_SND_SOC_WM8962=m
CONFIG_SND_SOC_WM8971=m
CONFIG_SND_SOC_WM8974=m
CONFIG_SND_SOC_WM8978=m
CONFIG_SND_SOC_WM8983=m
CONFIG_SND_SOC_WM8985=m
CONFIG_SND_SOC_WM8988=m
CONFIG_SND_SOC_WM8990=m
CONFIG_SND_SOC_WM8991=m
CONFIG_SND_SOC_WM8993=m
CONFIG_SND_SOC_WM8994=m
CONFIG_SND_SOC_WM8995=m
CONFIG_SND_SOC_WM8996=m
CONFIG_SND_SOC_WM9081=m
CONFIG_SND_SOC_WM9090=m
CONFIG_SND_SOC_LM4857=m
CONFIG_SND_SOC_MAX9768=m
CONFIG_SND_SOC_MAX9877=m
CONFIG_SND_SOC_TPA6130A2=m
CONFIG_SOUND_PRIME=m
# CONFIG_SOUND_MSNDCLAS is not set
# CONFIG_SOUND_MSNDPIN is not set
CONFIG_SOUND_OSS=m
CONFIG_SOUND_TRACEINIT=y
CONFIG_SOUND_DMAP=y
CONFIG_SOUND_VMIDI=m
CONFIG_SOUND_TRIX=m
CONFIG_SOUND_MSS=m
CONFIG_SOUND_MPU401=m
CONFIG_SOUND_PAS=m
CONFIG_SOUND_PSS=m
CONFIG_PSS_MIXER=y
CONFIG_SOUND_SB=m
CONFIG_SOUND_YM3812=m
CONFIG_SOUND_UART6850=m
CONFIG_SOUND_AEDSP16=m
CONFIG_SC6600=y
CONFIG_SC6600_JOY=y
CONFIG_SC6600_CDROM=4
CONFIG_SC6600_CDROMBASE=0
CONFIG_SOUND_KAHLUA=m
CONFIG_AC97_BUS=m
CONFIG_HID_SUPPORT=y
CONFIG_HID=m
CONFIG_HIDRAW=y
#
# USB Input Devices
#
CONFIG_USB_HID=m
CONFIG_HID_PID=y
CONFIG_USB_HIDDEV=y
#
# USB HID Boot Protocol drivers
#
CONFIG_USB_KBD=m
CONFIG_USB_MOUSE=m
#
# Special HID drivers
#
CONFIG_HID_A4TECH=m
CONFIG_HID_ACRUX=m
CONFIG_HID_ACRUX_FF=y
CONFIG_HID_APPLE=m
CONFIG_HID_BELKIN=m
CONFIG_HID_CHERRY=m
CONFIG_HID_CHICONY=m
CONFIG_HID_PRODIKEYS=m
CONFIG_HID_CYPRESS=m
CONFIG_HID_DRAGONRISE=m
CONFIG_DRAGONRISE_FF=y
CONFIG_HID_EMS_FF=m
CONFIG_HID_ELECOM=m
CONFIG_HID_EZKEY=m
CONFIG_HID_HOLTEK=m
CONFIG_HOLTEK_FF=y
CONFIG_HID_KEYTOUCH=m
CONFIG_HID_KYE=m
CONFIG_HID_UCLOGIC=m
CONFIG_HID_WALTOP=m
CONFIG_HID_GYRATION=m
CONFIG_HID_TWINHAN=m
CONFIG_HID_KENSINGTON=m
CONFIG_HID_LCPOWER=m
CONFIG_HID_LOGITECH=m
CONFIG_HID_LOGITECH_DJ=m
CONFIG_LOGITECH_FF=y
CONFIG_LOGIRUMBLEPAD2_FF=y
CONFIG_LOGIG940_FF=y
CONFIG_LOGIWHEELS_FF=y
CONFIG_HID_MAGICMOUSE=m
CONFIG_HID_MICROSOFT=m
CONFIG_HID_MONTEREY=m
CONFIG_HID_MULTITOUCH=m
CONFIG_HID_NTRIG=m
CONFIG_HID_ORTEK=m
CONFIG_HID_PANTHERLORD=m
CONFIG_PANTHERLORD_FF=y
CONFIG_HID_PETALYNX=m
CONFIG_HID_PICOLCD=m
CONFIG_HID_PICOLCD_FB=y
CONFIG_HID_PICOLCD_BACKLIGHT=y
CONFIG_HID_PICOLCD_LCD=y
CONFIG_HID_PICOLCD_LEDS=y
CONFIG_HID_PRIMAX=m
CONFIG_HID_ROCCAT=m
CONFIG_HID_SAITEK=m
CONFIG_HID_SAMSUNG=m
CONFIG_HID_SONY=m
CONFIG_HID_SPEEDLINK=m
CONFIG_HID_SUNPLUS=m
CONFIG_HID_GREENASIA=m
CONFIG_GREENASIA_FF=y
CONFIG_HID_HYPERV_MOUSE=m
CONFIG_HID_SMARTJOYPLUS=m
CONFIG_SMARTJOYPLUS_FF=y
CONFIG_HID_TIVO=m
CONFIG_HID_TOPSEED=m
CONFIG_HID_THRUSTMASTER=m
CONFIG_THRUSTMASTER_FF=y
CONFIG_HID_WACOM=m
# CONFIG_HID_WACOM_POWER_SUPPLY is not set
CONFIG_HID_WIIMOTE=m
CONFIG_HID_WIIMOTE_EXT=y
CONFIG_HID_ZEROPLUS=m
CONFIG_ZEROPLUS_FF=y
CONFIG_HID_ZYDACRON=m
CONFIG_USB_ARCH_HAS_OHCI=y
CONFIG_USB_ARCH_HAS_EHCI=y
CONFIG_USB_ARCH_HAS_XHCI=y
CONFIG_USB_SUPPORT=y
CONFIG_USB_COMMON=m
CONFIG_USB_ARCH_HAS_HCD=y
CONFIG_USB=m
CONFIG_USB_DEBUG=y
CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
#
# Miscellaneous USB options
#
# CONFIG_USB_DEVICEFS is not set
CONFIG_USB_DEVICE_CLASS=y
CONFIG_USB_DYNAMIC_MINORS=y
CONFIG_USB_SUSPEND=y
CONFIG_USB_OTG=y
CONFIG_USB_OTG_WHITELIST=y
CONFIG_USB_OTG_BLACKLIST_HUB=y
CONFIG_USB_DWC3=m
CONFIG_USB_DWC3_DEBUG=y
CONFIG_USB_DWC3_VERBOSE=y
CONFIG_USB_MON=m
CONFIG_USB_WUSB=m
CONFIG_USB_WUSB_CBAF=m
CONFIG_USB_WUSB_CBAF_DEBUG=y
#
# USB Host Controller Drivers
#
CONFIG_USB_C67X00_HCD=m
CONFIG_USB_XHCI_HCD=m
CONFIG_USB_XHCI_PLATFORM=m
CONFIG_USB_XHCI_HCD_DEBUGGING=y
CONFIG_USB_EHCI_HCD=m
CONFIG_USB_EHCI_ROOT_HUB_TT=y
CONFIG_USB_EHCI_TT_NEWSCHED=y
CONFIG_USB_OXU210HP_HCD=m
CONFIG_USB_ISP116X_HCD=m
CONFIG_USB_ISP1760_HCD=m
CONFIG_USB_ISP1362_HCD=m
CONFIG_USB_OHCI_HCD=m
CONFIG_USB_OHCI_HCD_SSB=y
CONFIG_USB_OHCI_HCD_PLATFORM=y
CONFIG_USB_EHCI_HCD_PLATFORM=y
# CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set
# CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set
CONFIG_USB_OHCI_LITTLE_ENDIAN=y
CONFIG_USB_UHCI_HCD=m
CONFIG_USB_U132_HCD=m
CONFIG_USB_SL811_HCD=m
CONFIG_USB_SL811_HCD_ISO=y
CONFIG_USB_SL811_CS=m
CONFIG_USB_R8A66597_HCD=m
CONFIG_USB_RENESAS_USBHS_HCD=m
CONFIG_USB_WHCI_HCD=m
CONFIG_USB_HWA_HCD=m
CONFIG_USB_MUSB_HDRC=m
CONFIG_USB_MUSB_TUSB6010=m
CONFIG_MUSB_PIO_ONLY=y
CONFIG_USB_RENESAS_USBHS=m
#
# USB Device Class drivers
#
CONFIG_USB_ACM=m
CONFIG_USB_PRINTER=m
CONFIG_USB_WDM=m
CONFIG_USB_TMC=m
#
# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may
#
#
# also be needed; see USB_STORAGE Help for more info
#
CONFIG_USB_STORAGE=m
CONFIG_USB_STORAGE_DEBUG=y
CONFIG_USB_STORAGE_REALTEK=m
CONFIG_REALTEK_AUTOPM=y
CONFIG_USB_STORAGE_DATAFAB=m
CONFIG_USB_STORAGE_FREECOM=m
CONFIG_USB_STORAGE_ISD200=m
CONFIG_USB_STORAGE_USBAT=m
CONFIG_USB_STORAGE_SDDR09=m
CONFIG_USB_STORAGE_SDDR55=m
CONFIG_USB_STORAGE_JUMPSHOT=m
CONFIG_USB_STORAGE_ALAUDA=m
CONFIG_USB_STORAGE_ONETOUCH=m
CONFIG_USB_STORAGE_KARMA=m
CONFIG_USB_STORAGE_CYPRESS_ATACB=m
CONFIG_USB_STORAGE_ENE_UB6250=m
CONFIG_USB_UAS=m
CONFIG_USB_LIBUSUAL=y
#
# USB Imaging devices
#
CONFIG_USB_MDC800=m
CONFIG_USB_MICROTEK=m
#
# USB port drivers
#
CONFIG_USB_USS720=m
CONFIG_USB_SERIAL=m
CONFIG_USB_EZUSB=y
CONFIG_USB_SERIAL_GENERIC=y
CONFIG_USB_SERIAL_AIRCABLE=m
CONFIG_USB_SERIAL_ARK3116=m
CONFIG_USB_SERIAL_BELKIN=m
CONFIG_USB_SERIAL_CH341=m
CONFIG_USB_SERIAL_WHITEHEAT=m
CONFIG_USB_SERIAL_DIGI_ACCELEPORT=m
CONFIG_USB_SERIAL_CP210X=m
CONFIG_USB_SERIAL_CYPRESS_M8=m
CONFIG_USB_SERIAL_EMPEG=m
CONFIG_USB_SERIAL_FTDI_SIO=m
CONFIG_USB_SERIAL_FUNSOFT=m
CONFIG_USB_SERIAL_VISOR=m
CONFIG_USB_SERIAL_IPAQ=m
CONFIG_USB_SERIAL_IR=m
CONFIG_USB_SERIAL_EDGEPORT=m
CONFIG_USB_SERIAL_EDGEPORT_TI=m
CONFIG_USB_SERIAL_F81232=m
CONFIG_USB_SERIAL_GARMIN=m
CONFIG_USB_SERIAL_IPW=m
CONFIG_USB_SERIAL_IUU=m
CONFIG_USB_SERIAL_KEYSPAN_PDA=m
CONFIG_USB_SERIAL_KEYSPAN=m
CONFIG_USB_SERIAL_KEYSPAN_MPR=y
CONFIG_USB_SERIAL_KEYSPAN_USA28=y
CONFIG_USB_SERIAL_KEYSPAN_USA28X=y
CONFIG_USB_SERIAL_KEYSPAN_USA28XA=y
CONFIG_USB_SERIAL_KEYSPAN_USA28XB=y
CONFIG_USB_SERIAL_KEYSPAN_USA19=y
CONFIG_USB_SERIAL_KEYSPAN_USA18X=y
CONFIG_USB_SERIAL_KEYSPAN_USA19W=y
CONFIG_USB_SERIAL_KEYSPAN_USA19QW=y
CONFIG_USB_SERIAL_KEYSPAN_USA19QI=y
CONFIG_USB_SERIAL_KEYSPAN_USA49W=y
CONFIG_USB_SERIAL_KEYSPAN_USA49WLC=y
CONFIG_USB_SERIAL_KLSI=m
CONFIG_USB_SERIAL_KOBIL_SCT=m
CONFIG_USB_SERIAL_MCT_U232=m
CONFIG_USB_SERIAL_METRO=m
CONFIG_USB_SERIAL_MOS7720=m
CONFIG_USB_SERIAL_MOS7715_PARPORT=y
CONFIG_USB_SERIAL_MOS7840=m
CONFIG_USB_SERIAL_MOTOROLA=m
CONFIG_USB_SERIAL_NAVMAN=m
CONFIG_USB_SERIAL_PL2303=m
CONFIG_USB_SERIAL_OTI6858=m
CONFIG_USB_SERIAL_QCAUX=m
CONFIG_USB_SERIAL_QUALCOMM=m
CONFIG_USB_SERIAL_SPCP8X5=m
CONFIG_USB_SERIAL_HP4X=m
CONFIG_USB_SERIAL_SAFE=m
CONFIG_USB_SERIAL_SAFE_PADDED=y
CONFIG_USB_SERIAL_SIEMENS_MPI=m
CONFIG_USB_SERIAL_SIERRAWIRELESS=m
CONFIG_USB_SERIAL_SYMBOL=m
CONFIG_USB_SERIAL_TI=m
CONFIG_USB_SERIAL_CYBERJACK=m
CONFIG_USB_SERIAL_XIRCOM=m
CONFIG_USB_SERIAL_WWAN=m
CONFIG_USB_SERIAL_OPTION=m
CONFIG_USB_SERIAL_OMNINET=m
CONFIG_USB_SERIAL_OPTICON=m
CONFIG_USB_SERIAL_VIVOPAY_SERIAL=m
CONFIG_USB_SERIAL_ZIO=m
CONFIG_USB_SERIAL_SSU100=m
CONFIG_USB_SERIAL_DEBUG=m
#
# USB Miscellaneous drivers
#
CONFIG_USB_EMI62=m
CONFIG_USB_EMI26=m
CONFIG_USB_ADUTUX=m
CONFIG_USB_SEVSEG=m
CONFIG_USB_RIO500=m
CONFIG_USB_LEGOTOWER=m
CONFIG_USB_LCD=m
CONFIG_USB_LED=m
CONFIG_USB_CYPRESS_CY7C63=m
CONFIG_USB_CYTHERM=m
CONFIG_USB_IDMOUSE=m
CONFIG_USB_FTDI_ELAN=m
CONFIG_USB_APPLEDISPLAY=m
CONFIG_USB_SISUSBVGA=m
CONFIG_USB_SISUSBVGA_CON=y
CONFIG_USB_LD=m
CONFIG_USB_TRANCEVIBRATOR=m
CONFIG_USB_IOWARRIOR=m
CONFIG_USB_TEST=m
CONFIG_USB_ISIGHTFW=m
CONFIG_USB_YUREX=m
CONFIG_USB_ATM=m
CONFIG_USB_SPEEDTOUCH=m
CONFIG_USB_CXACRU=m
CONFIG_USB_UEAGLEATM=m
CONFIG_USB_XUSBATM=m
CONFIG_USB_GADGET=m
CONFIG_USB_GADGET_DEBUG=y
CONFIG_USB_GADGET_DEBUG_FILES=y
CONFIG_USB_GADGET_DEBUG_FS=y
CONFIG_USB_GADGET_VBUS_DRAW=2
CONFIG_USB_GADGET_STORAGE_NUM_BUFFERS=2
CONFIG_USB_R8A66597=m
CONFIG_USB_RENESAS_USBHS_UDC=m
CONFIG_USB_MV_UDC=m
CONFIG_USB_GADGET_MUSB_HDRC=m
CONFIG_USB_M66592=m
CONFIG_USB_AMD5536UDC=m
# CONFIG_USB_CI13XXX_PCI is not set
CONFIG_USB_NET2272=m
CONFIG_USB_NET2272_DMA=y
CONFIG_USB_NET2280=m
CONFIG_USB_GOKU=m
CONFIG_USB_EG20T=m
CONFIG_USB_DUMMY_HCD=m
CONFIG_USB_GADGET_DUALSPEED=y
CONFIG_USB_GADGET_SUPERSPEED=y
CONFIG_USB_ZERO=m
CONFIG_USB_ZERO_HNPTEST=y
CONFIG_USB_AUDIO=m
CONFIG_GADGET_UAC1=y
CONFIG_USB_ETH=m
CONFIG_USB_ETH_RNDIS=y
CONFIG_USB_ETH_EEM=y
CONFIG_USB_G_NCM=m
CONFIG_USB_GADGETFS=m
CONFIG_USB_FUNCTIONFS=m
CONFIG_USB_FUNCTIONFS_ETH=y
CONFIG_USB_FUNCTIONFS_RNDIS=y
CONFIG_USB_FUNCTIONFS_GENERIC=y
CONFIG_USB_FILE_STORAGE=m
CONFIG_USB_FILE_STORAGE_TEST=y
CONFIG_USB_MASS_STORAGE=m
CONFIG_USB_G_SERIAL=m
CONFIG_USB_MIDI_GADGET=m
CONFIG_USB_G_PRINTER=m
CONFIG_USB_CDC_COMPOSITE=m
CONFIG_USB_G_NOKIA=m
CONFIG_USB_G_ACM_MS=m
CONFIG_USB_G_MULTI=m
CONFIG_USB_G_MULTI_RNDIS=y
CONFIG_USB_G_MULTI_CDC=y
CONFIG_USB_G_HID=m
CONFIG_USB_G_DBGP=m
# CONFIG_USB_G_DBGP_PRINTK is not set
CONFIG_USB_G_DBGP_SERIAL=y
CONFIG_USB_G_WEBCAM=m
#
# OTG and related infrastructure
#
CONFIG_USB_OTG_UTILS=y
CONFIG_USB_GPIO_VBUS=m
CONFIG_TWL4030_USB=m
CONFIG_TWL6030_USB=m
CONFIG_NOP_USB_XCEIV=m
CONFIG_UWB=m
CONFIG_UWB_HWA=m
CONFIG_UWB_WHCI=m
CONFIG_UWB_I1480U=m
CONFIG_MMC=m
CONFIG_MMC_DEBUG=y
CONFIG_MMC_UNSAFE_RESUME=y
CONFIG_MMC_CLKGATE=y
#
# MMC/SD/SDIO Card Drivers
#
CONFIG_MMC_BLOCK=m
CONFIG_MMC_BLOCK_MINORS=8
CONFIG_MMC_BLOCK_BOUNCE=y
CONFIG_SDIO_UART=m
CONFIG_MMC_TEST=m
#
# MMC/SD/SDIO Host Controller Drivers
#
CONFIG_MMC_SDHCI=m
CONFIG_MMC_SDHCI_PCI=m
CONFIG_MMC_RICOH_MMC=y
CONFIG_MMC_SDHCI_PLTFM=m
CONFIG_MMC_WBSD=m
CONFIG_MMC_TIFM_SD=m
CONFIG_MMC_SDRICOH_CS=m
CONFIG_MMC_CB710=m
CONFIG_MMC_VIA_SDMMC=m
CONFIG_MMC_VUB300=m
CONFIG_MMC_USHC=m
CONFIG_MEMSTICK=m
CONFIG_MEMSTICK_DEBUG=y
#
# MemoryStick drivers
#
CONFIG_MEMSTICK_UNSAFE_RESUME=y
CONFIG_MSPRO_BLOCK=m
#
# MemoryStick Host Controller Drivers
#
CONFIG_MEMSTICK_TIFM_MS=m
CONFIG_MEMSTICK_JMICRON_38X=m
CONFIG_MEMSTICK_R592=m
CONFIG_NEW_LEDS=y
CONFIG_LEDS_CLASS=m
#
# LED drivers
#
CONFIG_LEDS_88PM860X=m
CONFIG_LEDS_LM3530=m
CONFIG_LEDS_NET48XX=m
CONFIG_LEDS_WRAP=m
CONFIG_LEDS_PCA9532=m
CONFIG_LEDS_PCA9532_GPIO=y
CONFIG_LEDS_GPIO=m
CONFIG_LEDS_LP3944=m
CONFIG_LEDS_LP5521=m
CONFIG_LEDS_LP5523=m
CONFIG_LEDS_CLEVO_MAIL=m
CONFIG_LEDS_PCA955X=m
CONFIG_LEDS_PCA9633=m
CONFIG_LEDS_WM831X_STATUS=m
CONFIG_LEDS_WM8350=m
CONFIG_LEDS_DA903X=m
CONFIG_LEDS_DAC124S085=m
CONFIG_LEDS_REGULATOR=m
CONFIG_LEDS_BD2802=m
CONFIG_LEDS_INTEL_SS4200=m
CONFIG_LEDS_LT3593=m
CONFIG_LEDS_ADP5520=m
CONFIG_LEDS_DELL_NETBOOKS=m
CONFIG_LEDS_TCA6507=m
CONFIG_LEDS_MAX8997=m
CONFIG_LEDS_OT200=m
CONFIG_LEDS_TRIGGERS=y
#
# LED Triggers
#
CONFIG_LEDS_TRIGGER_TIMER=m
CONFIG_LEDS_TRIGGER_IDE_DISK=y
CONFIG_LEDS_TRIGGER_HEARTBEAT=m
CONFIG_LEDS_TRIGGER_BACKLIGHT=m
CONFIG_LEDS_TRIGGER_GPIO=m
CONFIG_LEDS_TRIGGER_DEFAULT_ON=m
#
# iptables trigger is under Netfilter config (LED target)
#
CONFIG_ACCESSIBILITY=y
CONFIG_A11Y_BRAILLE_CONSOLE=y
CONFIG_INFINIBAND=m
CONFIG_INFINIBAND_USER_MAD=m
CONFIG_INFINIBAND_USER_ACCESS=m
CONFIG_INFINIBAND_USER_MEM=y
CONFIG_INFINIBAND_ADDR_TRANS=y
CONFIG_INFINIBAND_MTHCA=m
CONFIG_INFINIBAND_MTHCA_DEBUG=y
CONFIG_INFINIBAND_AMSO1100=m
CONFIG_INFINIBAND_AMSO1100_DEBUG=y
CONFIG_INFINIBAND_CXGB3=m
CONFIG_INFINIBAND_CXGB3_DEBUG=y
CONFIG_INFINIBAND_CXGB4=m
CONFIG_MLX4_INFINIBAND=m
CONFIG_INFINIBAND_NES=m
CONFIG_INFINIBAND_NES_DEBUG=y
CONFIG_INFINIBAND_IPOIB=m
CONFIG_INFINIBAND_IPOIB_CM=y
CONFIG_INFINIBAND_IPOIB_DEBUG=y
CONFIG_INFINIBAND_IPOIB_DEBUG_DATA=y
CONFIG_INFINIBAND_SRP=m
CONFIG_INFINIBAND_SRPT=m
CONFIG_INFINIBAND_ISER=m
CONFIG_EDAC=y
#
# Reporting subsystems
#
CONFIG_EDAC_DEBUG=y
CONFIG_EDAC_DECODE_MCE=m
CONFIG_EDAC_MCE_INJ=m
CONFIG_EDAC_MM_EDAC=m
CONFIG_EDAC_AMD76X=m
CONFIG_EDAC_E7XXX=m
CONFIG_EDAC_E752X=m
CONFIG_EDAC_I82875P=m
CONFIG_EDAC_I82975X=m
CONFIG_EDAC_I3000=m
CONFIG_EDAC_I3200=m
CONFIG_EDAC_X38=m
CONFIG_EDAC_I5400=m
CONFIG_EDAC_I7CORE=m
CONFIG_EDAC_I82860=m
CONFIG_EDAC_R82600=m
CONFIG_EDAC_I5000=m
CONFIG_EDAC_I5100=m
CONFIG_EDAC_I7300=m
CONFIG_RTC_LIB=y
CONFIG_RTC_CLASS=y
CONFIG_RTC_HCTOSYS=y
CONFIG_RTC_HCTOSYS_DEVICE="rtc0"
CONFIG_RTC_DEBUG=y
#
# RTC interfaces
#
CONFIG_RTC_INTF_SYSFS=y
CONFIG_RTC_INTF_PROC=y
CONFIG_RTC_INTF_DEV=y
CONFIG_RTC_INTF_DEV_UIE_EMUL=y
CONFIG_RTC_DRV_TEST=m
#
# I2C RTC drivers
#
CONFIG_RTC_DRV_88PM860X=m
CONFIG_RTC_DRV_DS1307=m
CONFIG_RTC_DRV_DS1374=m
CONFIG_RTC_DRV_DS1672=m
CONFIG_RTC_DRV_DS3232=m
CONFIG_RTC_DRV_MAX6900=m
CONFIG_RTC_DRV_MAX8925=m
CONFIG_RTC_DRV_MAX8998=m
CONFIG_RTC_DRV_RS5C372=m
CONFIG_RTC_DRV_ISL1208=m
CONFIG_RTC_DRV_ISL12022=m
CONFIG_RTC_DRV_X1205=m
CONFIG_RTC_DRV_PCF8563=m
CONFIG_RTC_DRV_PCF8583=m
CONFIG_RTC_DRV_M41T80=m
CONFIG_RTC_DRV_M41T80_WDT=y
CONFIG_RTC_DRV_BQ32K=m
CONFIG_RTC_DRV_TWL4030=m
CONFIG_RTC_DRV_S35390A=m
CONFIG_RTC_DRV_FM3130=m
CONFIG_RTC_DRV_RX8581=m
CONFIG_RTC_DRV_RX8025=m
CONFIG_RTC_DRV_EM3027=m
CONFIG_RTC_DRV_RV3029C2=m
#
# SPI RTC drivers
#
CONFIG_RTC_DRV_M41T93=m
CONFIG_RTC_DRV_M41T94=m
CONFIG_RTC_DRV_DS1305=m
CONFIG_RTC_DRV_DS1390=m
CONFIG_RTC_DRV_MAX6902=m
CONFIG_RTC_DRV_R9701=m
CONFIG_RTC_DRV_RS5C348=m
CONFIG_RTC_DRV_DS3234=m
CONFIG_RTC_DRV_PCF2123=m
#
# Platform RTC drivers
#
CONFIG_RTC_DRV_CMOS=m
CONFIG_RTC_DRV_VRTC=m
CONFIG_RTC_DRV_DS1286=m
CONFIG_RTC_DRV_DS1511=m
CONFIG_RTC_DRV_DS1553=m
CONFIG_RTC_DRV_DS1742=m
CONFIG_RTC_DRV_DA9052=m
CONFIG_RTC_DRV_STK17TA8=m
CONFIG_RTC_DRV_M48T86=m
CONFIG_RTC_DRV_M48T35=m
CONFIG_RTC_DRV_M48T59=m
CONFIG_RTC_DRV_MSM6242=m
CONFIG_RTC_DRV_BQ4802=m
CONFIG_RTC_DRV_RP5C01=m
CONFIG_RTC_DRV_V3020=m
CONFIG_RTC_DRV_WM831X=m
CONFIG_RTC_DRV_WM8350=m
CONFIG_RTC_DRV_PCF50633=m
CONFIG_RTC_DRV_AB3100=m
#
# on-CPU RTC drivers
#
CONFIG_RTC_DRV_PCAP=m
CONFIG_DMADEVICES=y
CONFIG_DMADEVICES_DEBUG=y
CONFIG_DMADEVICES_VDEBUG=y
#
# DMA Devices
#
CONFIG_INTEL_MID_DMAC=m
CONFIG_INTEL_IOATDMA=m
CONFIG_TIMB_DMA=m
CONFIG_PCH_DMA=m
CONFIG_DMA_ENGINE=y
#
# DMA Clients
#
CONFIG_NET_DMA=y
CONFIG_ASYNC_TX_DMA=y
CONFIG_DMATEST=m
CONFIG_DCA=m
CONFIG_AUXDISPLAY=y
CONFIG_KS0108=m
CONFIG_KS0108_PORT=0x378
CONFIG_KS0108_DELAY=2
CONFIG_CFAG12864B=m
CONFIG_CFAG12864B_RATE=20
CONFIG_UIO=m
CONFIG_UIO_CIF=m
CONFIG_UIO_PDRV=m
CONFIG_UIO_PDRV_GENIRQ=m
CONFIG_UIO_AEC=m
CONFIG_UIO_SERCOS3=m
CONFIG_UIO_PCI_GENERIC=m
CONFIG_UIO_NETX=m
CONFIG_VIRTIO=y
CONFIG_VIRTIO_RING=y
#
# Virtio drivers
#
CONFIG_VIRTIO_PCI=y
CONFIG_VIRTIO_BALLOON=m
CONFIG_VIRTIO_MMIO=m
#
# Microsoft Hyper-V guest support
#
CONFIG_HYPERV=m
CONFIG_HYPERV_UTILS=m
CONFIG_STAGING=y
CONFIG_ET131X=m
CONFIG_SLICOSS=m
CONFIG_USBIP_CORE=m
CONFIG_USBIP_VHCI_HCD=m
CONFIG_USBIP_HOST=m
CONFIG_USBIP_DEBUG=y
CONFIG_W35UND=m
CONFIG_PRISM2_USB=m
CONFIG_ECHO=m
CONFIG_COMEDI=m
CONFIG_COMEDI_DEBUG=y
CONFIG_COMEDI_MISC_DRIVERS=m
CONFIG_COMEDI_KCOMEDILIB=m
CONFIG_COMEDI_BOND=m
CONFIG_COMEDI_TEST=m
CONFIG_COMEDI_PARPORT=m
CONFIG_COMEDI_SERIAL2002=m
CONFIG_COMEDI_SKEL=m
CONFIG_COMEDI_ISA_DRIVERS=m
CONFIG_COMEDI_ACL7225B=m
CONFIG_COMEDI_PCL711=m
CONFIG_COMEDI_PCL724=m
CONFIG_COMEDI_PCL725=m
CONFIG_COMEDI_PCL726=m
CONFIG_COMEDI_PCL730=m
CONFIG_COMEDI_PCL812=m
CONFIG_COMEDI_PCL816=m
CONFIG_COMEDI_PCL818=m
CONFIG_COMEDI_PCM3724=m
CONFIG_COMEDI_PCM3730=m
CONFIG_COMEDI_RTI800=m
CONFIG_COMEDI_RTI802=m
CONFIG_COMEDI_DAS16M1=m
CONFIG_COMEDI_DAS16=m
CONFIG_COMEDI_DAS800=m
CONFIG_COMEDI_DAS1800=m
CONFIG_COMEDI_DAS6402=m
CONFIG_COMEDI_DT2801=m
CONFIG_COMEDI_DT2811=m
CONFIG_COMEDI_DT2814=m
CONFIG_COMEDI_DT2815=m
CONFIG_COMEDI_DT2817=m
CONFIG_COMEDI_DT282X=m
CONFIG_COMEDI_DMM32AT=m
CONFIG_COMEDI_FL512=m
CONFIG_COMEDI_AIO_AIO12_8=m
CONFIG_COMEDI_AIO_IIRO_16=m
CONFIG_COMEDI_C6XDIGIO=m
CONFIG_COMEDI_MPC624=m
CONFIG_COMEDI_ADQ12B=m
CONFIG_COMEDI_NI_AT_A2150=m
CONFIG_COMEDI_NI_AT_AO=m
CONFIG_COMEDI_NI_ATMIO=m
CONFIG_COMEDI_NI_ATMIO16D=m
CONFIG_COMEDI_PCMAD=m
CONFIG_COMEDI_PCMDA12=m
CONFIG_COMEDI_PCMMIO=m
CONFIG_COMEDI_PCMUIO=m
CONFIG_COMEDI_MULTIQ3=m
CONFIG_COMEDI_POC=m
CONFIG_COMEDI_PCI_DRIVERS=m
CONFIG_COMEDI_ADDI_APCI_035=m
CONFIG_COMEDI_ADDI_APCI_1032=m
CONFIG_COMEDI_ADDI_APCI_1500=m
CONFIG_COMEDI_ADDI_APCI_1516=m
CONFIG_COMEDI_ADDI_APCI_1564=m
CONFIG_COMEDI_ADDI_APCI_16XX=m
CONFIG_COMEDI_ADDI_APCI_2016=m
CONFIG_COMEDI_ADDI_APCI_2032=m
CONFIG_COMEDI_ADDI_APCI_2200=m
CONFIG_COMEDI_ADDI_APCI_3001=m
CONFIG_COMEDI_ADDI_APCI_3120=m
CONFIG_COMEDI_ADDI_APCI_3501=m
CONFIG_COMEDI_ADDI_APCI_3XXX=m
CONFIG_COMEDI_ADL_PCI6208=m
CONFIG_COMEDI_ADL_PCI7230=m
CONFIG_COMEDI_ADL_PCI7296=m
CONFIG_COMEDI_ADL_PCI7432=m
CONFIG_COMEDI_ADL_PCI8164=m
CONFIG_COMEDI_ADL_PCI9111=m
CONFIG_COMEDI_ADL_PCI9118=m
CONFIG_COMEDI_ADV_PCI1710=m
CONFIG_COMEDI_ADV_PCI1723=m
CONFIG_COMEDI_ADV_PCI_DIO=m
# CONFIG_COMEDI_AMPLC_DIO200 is not set
# CONFIG_COMEDI_AMPLC_PC236 is not set
# CONFIG_COMEDI_AMPLC_PC263 is not set
CONFIG_COMEDI_AMPLC_PCI224=m
CONFIG_COMEDI_AMPLC_PCI230=m
CONFIG_COMEDI_CONTEC_PCI_DIO=m
CONFIG_COMEDI_DT3000=m
CONFIG_COMEDI_DYNA_PCI10XX=m
CONFIG_COMEDI_UNIOXX5=m
CONFIG_COMEDI_GSC_HPDI=m
CONFIG_COMEDI_ICP_MULTI=m
CONFIG_COMEDI_II_PCI20KC=m
CONFIG_COMEDI_DAQBOARD2000=m
CONFIG_COMEDI_JR3_PCI=m
CONFIG_COMEDI_KE_COUNTER=m
CONFIG_COMEDI_CB_PCIDAS64=m
CONFIG_COMEDI_CB_PCIDAS=m
CONFIG_COMEDI_CB_PCIDDA=m
CONFIG_COMEDI_CB_PCIDIO=m
CONFIG_COMEDI_CB_PCIMDAS=m
CONFIG_COMEDI_CB_PCIMDDA=m
CONFIG_COMEDI_ME4000=m
CONFIG_COMEDI_ME_DAQ=m
CONFIG_COMEDI_NI_6527=m
CONFIG_COMEDI_NI_65XX=m
CONFIG_COMEDI_NI_660X=m
CONFIG_COMEDI_NI_670X=m
CONFIG_COMEDI_NI_PCIDIO=m
CONFIG_COMEDI_NI_PCIMIO=m
CONFIG_COMEDI_RTD520=m
CONFIG_COMEDI_S526=m
CONFIG_COMEDI_S626=m
CONFIG_COMEDI_SSV_DNP=m
CONFIG_COMEDI_PCMCIA_DRIVERS=m
CONFIG_COMEDI_CB_DAS16_CS=m
CONFIG_COMEDI_DAS08_CS=m
CONFIG_COMEDI_NI_DAQ_700_CS=m
CONFIG_COMEDI_NI_DAQ_DIO24_CS=m
CONFIG_COMEDI_NI_LABPC_CS=m
CONFIG_COMEDI_NI_MIO_CS=m
CONFIG_COMEDI_QUATECH_DAQP_CS=m
CONFIG_COMEDI_USB_DRIVERS=m
CONFIG_COMEDI_DT9812=m
CONFIG_COMEDI_USBDUX=m
CONFIG_COMEDI_USBDUXFAST=m
CONFIG_COMEDI_USBDUXSIGMA=m
CONFIG_COMEDI_VMK80XX=m
CONFIG_COMEDI_NI_COMMON=m
CONFIG_COMEDI_MITE=m
CONFIG_COMEDI_NI_TIO=m
CONFIG_COMEDI_NI_LABPC=m
CONFIG_COMEDI_8255=m
CONFIG_COMEDI_DAS08=m
CONFIG_COMEDI_FC=m
CONFIG_ASUS_OLED=m
CONFIG_PANEL=m
CONFIG_PANEL_PARPORT=0
CONFIG_PANEL_PROFILE=5
CONFIG_PANEL_CHANGE_MESSAGE=y
CONFIG_PANEL_BOOT_MESSAGE=""
CONFIG_R8187SE=m
CONFIG_RTL8192U=m
CONFIG_RTLLIB=m
CONFIG_RTLLIB_CRYPTO_CCMP=m
CONFIG_RTLLIB_CRYPTO_TKIP=m
CONFIG_RTLLIB_CRYPTO_WEP=m
CONFIG_RTL8192E=m
CONFIG_R8712U=m
CONFIG_RTS_PSTOR=m
CONFIG_RTS_PSTOR_DEBUG=y
CONFIG_RTS5139=m
CONFIG_RTS5139_DEBUG=y
CONFIG_TRANZPORT=m
CONFIG_IDE_PHISON=m
CONFIG_LINE6_USB=m
CONFIG_LINE6_USB_DEBUG=y
CONFIG_LINE6_USB_DUMP_CTRL=y
CONFIG_LINE6_USB_DUMP_MIDI=y
CONFIG_LINE6_USB_DUMP_PCM=y
CONFIG_LINE6_USB_RAW=y
CONFIG_LINE6_USB_IMPULSE_RESPONSE=y
CONFIG_USB_SERIAL_QUATECH2=m
# CONFIG_USB_SERIAL_QUATECH_USB2 is not set
CONFIG_VT6655=m
CONFIG_VT6656=m
CONFIG_VME_BUS=m
#
# VME Bridge Drivers
#
CONFIG_VME_CA91CX42=m
CONFIG_VME_TSI148=m
#
# VME Device Drivers
#
CONFIG_VME_USER=m
CONFIG_VME_PIO2=m
#
# VME Board Drivers
#
CONFIG_VMIVME_7805=m
CONFIG_DX_SEP=m
CONFIG_IIO=m
CONFIG_IIO_ST_HWMON=m
CONFIG_IIO_BUFFER=y
CONFIG_IIO_SW_RING=m
CONFIG_IIO_KFIFO_BUF=m
CONFIG_IIO_TRIGGER=y
CONFIG_IIO_CONSUMERS_PER_TRIGGER=2
#
# Accelerometers
#
CONFIG_ADIS16201=m
CONFIG_ADIS16203=m
CONFIG_ADIS16204=m
CONFIG_ADIS16209=m
CONFIG_ADIS16220=m
CONFIG_ADIS16240=m
CONFIG_KXSD9=m
CONFIG_LIS3L02DQ=m
CONFIG_LIS3L02DQ_BUF_KFIFO=y
# CONFIG_LIS3L02DQ_BUF_RING_SW is not set
CONFIG_SCA3000=m
#
# Analog to digital converters
#
CONFIG_AD7291=m
CONFIG_AD7298=m
CONFIG_AD7606=m
CONFIG_AD7606_IFACE_PARALLEL=m
CONFIG_AD7606_IFACE_SPI=m
CONFIG_AD799X=m
CONFIG_AD799X_RING_BUFFER=y
CONFIG_AD7476=m
CONFIG_AD7887=m
CONFIG_AD7780=m
CONFIG_AD7793=m
CONFIG_AD7816=m
CONFIG_AD7192=m
CONFIG_ADT7310=m
CONFIG_ADT7410=m
CONFIG_AD7280=m
CONFIG_MAX1363=m
CONFIG_MAX1363_RING_BUFFER=y
#
# Analog digital bi-direction converters
#
CONFIG_ADT7316=m
CONFIG_ADT7316_SPI=m
CONFIG_ADT7316_I2C=m
#
# Capacitance to digital converters
#
CONFIG_AD7150=m
CONFIG_AD7152=m
CONFIG_AD7746=m
#
# Digital to analog converters
#
CONFIG_AD5064=m
CONFIG_AD5360=m
CONFIG_AD5380=m
CONFIG_AD5421=m
CONFIG_AD5624R_SPI=m
CONFIG_AD5446=m
CONFIG_AD5504=m
CONFIG_AD5764=m
CONFIG_AD5791=m
CONFIG_AD5686=m
CONFIG_MAX517=m
#
# Direct Digital Synthesis
#
CONFIG_AD5930=m
CONFIG_AD9832=m
CONFIG_AD9834=m
CONFIG_AD9850=m
CONFIG_AD9852=m
CONFIG_AD9910=m
CONFIG_AD9951=m
#
# Digital gyroscope sensors
#
CONFIG_ADIS16060=m
CONFIG_ADIS16080=m
CONFIG_ADIS16130=m
CONFIG_ADIS16260=m
CONFIG_ADXRS450=m
#
# Network Analyzer, Impedance Converters
#
CONFIG_AD5933=m
#
# Inertial measurement units
#
CONFIG_ADIS16400=m
#
# Light sensors
#
CONFIG_SENSORS_ISL29018=m
CONFIG_SENSORS_TSL2563=m
CONFIG_TSL2583=m
#
# Magnetometer sensors
#
CONFIG_SENSORS_AK8975=m
CONFIG_SENSORS_HMC5843=m
#
# Active energy metering IC
#
CONFIG_ADE7753=m
CONFIG_ADE7754=m
CONFIG_ADE7758=m
CONFIG_ADE7759=m
CONFIG_ADE7854=m
CONFIG_ADE7854_I2C=m
CONFIG_ADE7854_SPI=m
#
# Resolver to digital converters
#
CONFIG_AD2S90=m
CONFIG_AD2S1200=m
CONFIG_AD2S1210=m
#
# Triggers - standalone
#
CONFIG_IIO_PERIODIC_RTC_TRIGGER=m
CONFIG_IIO_GPIO_TRIGGER=m
CONFIG_IIO_SYSFS_TRIGGER=m
CONFIG_IIO_DUMMY_EVGEN=m
CONFIG_IIO_SIMPLE_DUMMY=m
CONFIG_IIO_SIMPLE_DUMMY_EVENTS=y
CONFIG_IIO_SIMPLE_DUMMY_BUFFER=y
CONFIG_ZRAM=m
CONFIG_ZRAM_DEBUG=y
CONFIG_ZCACHE=y
CONFIG_ZSMALLOC=y
CONFIG_WLAGS49_H2=m
CONFIG_WLAGS49_H25=m
CONFIG_FB_SM7XX=m
CONFIG_CRYSTALHD=m
CONFIG_CXT1E1=m
CONFIG_SBE_PMCC4_NCOMM=y
CONFIG_FB_XGI=m
CONFIG_ACPI_QUICKSTART=m
CONFIG_SBE_2T3E3=m
CONFIG_USB_ENESTORAGE=m
CONFIG_BCM_WIMAX=m
CONFIG_FT1000=m
CONFIG_FT1000_USB=m
CONFIG_FT1000_PCMCIA=m
#
# Speakup console speech
#
CONFIG_SPEAKUP=m
CONFIG_SPEAKUP_SYNTH_ACNTSA=m
CONFIG_SPEAKUP_SYNTH_ACNTPC=m
CONFIG_SPEAKUP_SYNTH_APOLLO=m
CONFIG_SPEAKUP_SYNTH_AUDPTR=m
CONFIG_SPEAKUP_SYNTH_BNS=m
CONFIG_SPEAKUP_SYNTH_DECTLK=m
CONFIG_SPEAKUP_SYNTH_DECEXT=m
CONFIG_SPEAKUP_SYNTH_DECPC=m
CONFIG_SPEAKUP_SYNTH_DTLK=m
CONFIG_SPEAKUP_SYNTH_KEYPC=m
CONFIG_SPEAKUP_SYNTH_LTLK=m
CONFIG_SPEAKUP_SYNTH_SOFT=m
CONFIG_SPEAKUP_SYNTH_SPKOUT=m
CONFIG_SPEAKUP_SYNTH_TXPRT=m
CONFIG_SPEAKUP_SYNTH_DUMMY=m
CONFIG_TOUCHSCREEN_CLEARPAD_TM1217=m
CONFIG_TOUCHSCREEN_SYNAPTICS_I2C_RMI4=m
CONFIG_INTEL_MEI=m
CONFIG_STAGING_MEDIA=y
CONFIG_DVB_AS102=m
CONFIG_DVB_CXD2099=m
CONFIG_VIDEO_DT3155=m
CONFIG_DT3155_CCIR=y
CONFIG_DT3155_STREAMING=y
CONFIG_EASYCAP=m
CONFIG_EASYCAP_DEBUG=y
CONFIG_VIDEO_GO7007=m
CONFIG_VIDEO_GO7007_USB=m
CONFIG_VIDEO_GO7007_USB_S2250_BOARD=m
CONFIG_VIDEO_GO7007_OV7640=m
CONFIG_VIDEO_GO7007_SAA7113=m
CONFIG_VIDEO_GO7007_SAA7115=m
CONFIG_VIDEO_GO7007_TW9903=m
CONFIG_VIDEO_GO7007_UDA1342=m
CONFIG_VIDEO_GO7007_SONY_TUNER=m
CONFIG_VIDEO_GO7007_TW2804=m
CONFIG_SOLO6X10=m
CONFIG_LIRC_STAGING=y
CONFIG_LIRC_BT829=m
CONFIG_LIRC_IGORPLUGUSB=m
CONFIG_LIRC_IMON=m
CONFIG_LIRC_PARALLEL=m
CONFIG_LIRC_SASEM=m
CONFIG_LIRC_SERIAL=m
CONFIG_LIRC_SERIAL_TRANSMITTER=y
CONFIG_LIRC_SIR=m
CONFIG_LIRC_TTUSBIR=m
CONFIG_LIRC_ZILOG=m
#
# Android
#
CONFIG_ANDROID=y
CONFIG_ANDROID_BINDER_IPC=y
CONFIG_ASHMEM=y
CONFIG_ANDROID_LOGGER=m
# CONFIG_ANDROID_RAM_CONSOLE is not set
CONFIG_ANDROID_TIMED_OUTPUT=y
CONFIG_ANDROID_TIMED_GPIO=m
CONFIG_ANDROID_LOW_MEMORY_KILLER=y
# CONFIG_ANDROID_SWITCH is not set
# CONFIG_ANDROID_INTF_ALARM is not set
CONFIG_PHONE=m
CONFIG_PHONE_IXJ=m
CONFIG_PHONE_IXJ_PCMCIA=m
CONFIG_USB_WPAN_HCD=m
CONFIG_X86_PLATFORM_DEVICES=y
CONFIG_ACER_WMI=m
CONFIG_ACERHDF=m
CONFIG_ASUS_LAPTOP=m
CONFIG_DELL_LAPTOP=m
CONFIG_DELL_WMI=m
CONFIG_DELL_WMI_AIO=m
CONFIG_FUJITSU_LAPTOP=m
CONFIG_FUJITSU_LAPTOP_DEBUG=y
CONFIG_FUJITSU_TABLET=m
CONFIG_AMILO_RFKILL=m
CONFIG_TC1100_WMI=m
CONFIG_HP_ACCEL=m
CONFIG_HP_WMI=m
CONFIG_MSI_LAPTOP=m
CONFIG_PANASONIC_LAPTOP=m
CONFIG_COMPAL_LAPTOP=m
CONFIG_SONY_LAPTOP=m
CONFIG_SONYPI_COMPAT=y
CONFIG_IDEAPAD_LAPTOP=m
CONFIG_THINKPAD_ACPI=m
CONFIG_THINKPAD_ACPI_ALSA_SUPPORT=y
CONFIG_THINKPAD_ACPI_DEBUGFACILITIES=y
CONFIG_THINKPAD_ACPI_DEBUG=y
CONFIG_THINKPAD_ACPI_UNSAFE_LEDS=y
CONFIG_THINKPAD_ACPI_VIDEO=y
CONFIG_THINKPAD_ACPI_HOTKEY_POLL=y
CONFIG_SENSORS_HDAPS=m
CONFIG_INTEL_MENLOW=m
CONFIG_EEEPC_LAPTOP=m
CONFIG_ASUS_WMI=m
CONFIG_ASUS_NB_WMI=m
CONFIG_EEEPC_WMI=m
CONFIG_ACPI_WMI=m
CONFIG_MSI_WMI=m
CONFIG_TOPSTAR_LAPTOP=m
CONFIG_ACPI_TOSHIBA=m
CONFIG_TOSHIBA_BT_RFKILL=m
CONFIG_ACPI_CMPC=m
CONFIG_INTEL_SCU_IPC=y
CONFIG_INTEL_SCU_IPC_UTIL=m
CONFIG_GPIO_INTEL_PMIC=y
CONFIG_INTEL_MID_POWER_BUTTON=m
CONFIG_INTEL_MFLD_THERMAL=m
CONFIG_INTEL_IPS=m
CONFIG_IBM_RTL=m
CONFIG_XO15_EBOOK=m
CONFIG_SAMSUNG_LAPTOP=m
CONFIG_MXM_WMI=m
CONFIG_INTEL_OAKTRAIL=m
CONFIG_SAMSUNG_Q10=m
CONFIG_APPLE_GMUX=m
#
# Hardware Spinlock drivers
#
CONFIG_CLKSRC_I8253=y
CONFIG_CLKEVT_I8253=y
CONFIG_I8253_LOCK=y
CONFIG_CLKBLD_I8253=y
CONFIG_DW_APB_TIMER=y
CONFIG_IOMMU_API=y
CONFIG_IOMMU_SUPPORT=y
CONFIG_DMAR_TABLE=y
CONFIG_INTEL_IOMMU=y
CONFIG_INTEL_IOMMU_DEFAULT_ON=y
CONFIG_INTEL_IOMMU_FLOPPY_WA=y
#
# Remoteproc drivers (EXPERIMENTAL)
#
#
# Rpmsg drivers (EXPERIMENTAL)
#
CONFIG_VIRT_DRIVERS=y
CONFIG_PM_DEVFREQ=y
#
# DEVFREQ Governors
#
CONFIG_DEVFREQ_GOV_SIMPLE_ONDEMAND=y
CONFIG_DEVFREQ_GOV_PERFORMANCE=y
CONFIG_DEVFREQ_GOV_POWERSAVE=y
CONFIG_DEVFREQ_GOV_USERSPACE=y
#
# DEVFREQ Drivers
#
#
# Firmware Drivers
#
CONFIG_EDD=m
CONFIG_EDD_OFF=y
CONFIG_FIRMWARE_MEMMAP=y
CONFIG_EFI_VARS=m
CONFIG_DELL_RBU=m
CONFIG_DCDBAS=m
CONFIG_DMIID=y
CONFIG_DMI_SYSFS=m
CONFIG_ISCSI_IBFT_FIND=y
CONFIG_ISCSI_IBFT=m
CONFIG_GOOGLE_FIRMWARE=y
#
# Google Firmware Drivers
#
CONFIG_GOOGLE_SMI=m
CONFIG_GOOGLE_MEMCONSOLE=m
#
# File systems
#
CONFIG_EXT2_FS=m
CONFIG_EXT2_FS_XATTR=y
CONFIG_EXT2_FS_POSIX_ACL=y
CONFIG_EXT2_FS_SECURITY=y
CONFIG_EXT2_FS_XIP=y
CONFIG_EXT3_FS=m
CONFIG_EXT3_DEFAULTS_TO_ORDERED=y
CONFIG_EXT3_FS_XATTR=y
CONFIG_EXT3_FS_POSIX_ACL=y
CONFIG_EXT3_FS_SECURITY=y
CONFIG_EXT4_FS=m
CONFIG_EXT4_FS_XATTR=y
CONFIG_EXT4_FS_POSIX_ACL=y
CONFIG_EXT4_FS_SECURITY=y
CONFIG_EXT4_DEBUG=y
CONFIG_FS_XIP=y
CONFIG_JBD=m
CONFIG_JBD_DEBUG=y
CONFIG_JBD2=m
CONFIG_JBD2_DEBUG=y
CONFIG_FS_MBCACHE=m
CONFIG_REISERFS_FS=m
CONFIG_REISERFS_CHECK=y
CONFIG_REISERFS_PROC_INFO=y
CONFIG_REISERFS_FS_XATTR=y
CONFIG_REISERFS_FS_POSIX_ACL=y
CONFIG_REISERFS_FS_SECURITY=y
CONFIG_JFS_FS=m
CONFIG_JFS_POSIX_ACL=y
CONFIG_JFS_SECURITY=y
CONFIG_JFS_DEBUG=y
CONFIG_JFS_STATISTICS=y
CONFIG_XFS_FS=m
CONFIG_XFS_QUOTA=y
CONFIG_XFS_POSIX_ACL=y
CONFIG_XFS_RT=y
CONFIG_XFS_DEBUG=y
CONFIG_GFS2_FS=m
CONFIG_GFS2_FS_LOCKING_DLM=y
CONFIG_OCFS2_FS=m
CONFIG_OCFS2_FS_O2CB=m
CONFIG_OCFS2_FS_USERSPACE_CLUSTER=m
CONFIG_OCFS2_FS_STATS=y
CONFIG_OCFS2_DEBUG_MASKLOG=y
CONFIG_OCFS2_DEBUG_FS=y
CONFIG_BTRFS_FS=m
CONFIG_BTRFS_FS_POSIX_ACL=y
CONFIG_BTRFS_FS_CHECK_INTEGRITY=y
CONFIG_NILFS2_FS=m
CONFIG_FS_POSIX_ACL=y
CONFIG_EXPORTFS=y
CONFIG_FILE_LOCKING=y
CONFIG_FSNOTIFY=y
CONFIG_DNOTIFY=y
CONFIG_INOTIFY_USER=y
CONFIG_FANOTIFY=y
CONFIG_FANOTIFY_ACCESS_PERMISSIONS=y
CONFIG_QUOTA=y
CONFIG_QUOTA_NETLINK_INTERFACE=y
CONFIG_PRINT_QUOTA_WARNING=y
CONFIG_QUOTA_DEBUG=y
CONFIG_QUOTA_TREE=m
CONFIG_QFMT_V1=m
CONFIG_QFMT_V2=m
CONFIG_QUOTACTL=y
CONFIG_AUTOFS4_FS=m
CONFIG_FUSE_FS=m
CONFIG_CUSE=m
CONFIG_GENERIC_ACL=y
#
# Caches
#
CONFIG_FSCACHE=m
CONFIG_FSCACHE_STATS=y
CONFIG_FSCACHE_HISTOGRAM=y
CONFIG_FSCACHE_DEBUG=y
CONFIG_FSCACHE_OBJECT_LIST=y
CONFIG_CACHEFILES=m
CONFIG_CACHEFILES_DEBUG=y
CONFIG_CACHEFILES_HISTOGRAM=y
#
# CD-ROM/DVD Filesystems
#
CONFIG_ISO9660_FS=m
CONFIG_JOLIET=y
CONFIG_ZISOFS=y
CONFIG_UDF_FS=m
CONFIG_UDF_NLS=y
#
# DOS/FAT/NT Filesystems
#
CONFIG_FAT_FS=m
CONFIG_MSDOS_FS=m
CONFIG_VFAT_FS=m
CONFIG_FAT_DEFAULT_CODEPAGE=437
CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
CONFIG_NTFS_FS=m
CONFIG_NTFS_DEBUG=y
CONFIG_NTFS_RW=y
#
# Pseudo filesystems
#
CONFIG_PROC_FS=y
CONFIG_PROC_KCORE=y
CONFIG_PROC_VMCORE=y
CONFIG_PROC_SYSCTL=y
CONFIG_PROC_PAGE_MONITOR=y
CONFIG_SYSFS=y
CONFIG_TMPFS=y
CONFIG_TMPFS_POSIX_ACL=y
CONFIG_TMPFS_XATTR=y
CONFIG_HUGETLBFS=y
CONFIG_HUGETLB_PAGE=y
CONFIG_CONFIGFS_FS=m
CONFIG_MISC_FILESYSTEMS=y
CONFIG_ADFS_FS=m
CONFIG_ADFS_FS_RW=y
CONFIG_AFFS_FS=m
CONFIG_ECRYPT_FS=m
CONFIG_HFS_FS=m
CONFIG_HFSPLUS_FS=m
CONFIG_BEFS_FS=m
CONFIG_BEFS_DEBUG=y
CONFIG_BFS_FS=m
CONFIG_EFS_FS=m
CONFIG_JFFS2_FS=m
CONFIG_JFFS2_FS_DEBUG=0
CONFIG_JFFS2_FS_WRITEBUFFER=y
CONFIG_JFFS2_FS_WBUF_VERIFY=y
CONFIG_JFFS2_SUMMARY=y
CONFIG_JFFS2_FS_XATTR=y
CONFIG_JFFS2_FS_POSIX_ACL=y
CONFIG_JFFS2_FS_SECURITY=y
CONFIG_JFFS2_COMPRESSION_OPTIONS=y
CONFIG_JFFS2_ZLIB=y
CONFIG_JFFS2_LZO=y
CONFIG_JFFS2_RTIME=y
CONFIG_JFFS2_RUBIN=y
# CONFIG_JFFS2_CMODE_NONE is not set
CONFIG_JFFS2_CMODE_PRIORITY=y
# CONFIG_JFFS2_CMODE_SIZE is not set
# CONFIG_JFFS2_CMODE_FAVOURLZO is not set
CONFIG_UBIFS_FS=m
# CONFIG_UBIFS_FS_XATTR is not set
CONFIG_UBIFS_FS_ADVANCED_COMPR=y
CONFIG_UBIFS_FS_LZO=y
CONFIG_UBIFS_FS_ZLIB=y
# CONFIG_UBIFS_FS_DEBUG is not set
CONFIG_LOGFS=m
CONFIG_CRAMFS=m
CONFIG_SQUASHFS=m
CONFIG_SQUASHFS_XATTR=y
CONFIG_SQUASHFS_ZLIB=y
CONFIG_SQUASHFS_LZO=y
CONFIG_SQUASHFS_XZ=y
CONFIG_SQUASHFS_4K_DEVBLK_SIZE=y
CONFIG_SQUASHFS_EMBEDDED=y
CONFIG_SQUASHFS_FRAGMENT_CACHE_SIZE=3
CONFIG_VXFS_FS=m
CONFIG_MINIX_FS=m
CONFIG_OMFS_FS=m
CONFIG_HPFS_FS=m
CONFIG_QNX4FS_FS=m
CONFIG_QNX6FS_FS=m
CONFIG_QNX6FS_DEBUG=y
CONFIG_ROMFS_FS=m
CONFIG_ROMFS_BACKED_BY_BLOCK=y
# CONFIG_ROMFS_BACKED_BY_MTD is not set
# CONFIG_ROMFS_BACKED_BY_BOTH is not set
CONFIG_ROMFS_ON_BLOCK=y
CONFIG_PSTORE=y
CONFIG_SYSV_FS=m
CONFIG_UFS_FS=m
CONFIG_UFS_FS_WRITE=y
CONFIG_UFS_DEBUG=y
CONFIG_EXOFS_FS=m
CONFIG_EXOFS_DEBUG=y
CONFIG_ORE=m
CONFIG_NETWORK_FILESYSTEMS=y
CONFIG_NFS_FS=m
CONFIG_NFS_V3=y
CONFIG_NFS_V3_ACL=y
CONFIG_NFS_V4=y
CONFIG_NFS_V4_1=y
CONFIG_PNFS_FILE_LAYOUT=m
CONFIG_PNFS_BLOCK=m
CONFIG_PNFS_OBJLAYOUT=m
CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN="kernel.org"
CONFIG_NFS_FSCACHE=y
CONFIG_NFS_USE_LEGACY_DNS=y
CONFIG_NFS_DEBUG=y
CONFIG_NFSD=m
CONFIG_NFSD_V2_ACL=y
CONFIG_NFSD_V3=y
CONFIG_NFSD_V3_ACL=y
CONFIG_NFSD_V4=y
CONFIG_NFSD_FAULT_INJECTION=y
CONFIG_LOCKD=m
CONFIG_LOCKD_V4=y
CONFIG_NFS_ACL_SUPPORT=m
CONFIG_NFS_COMMON=y
CONFIG_SUNRPC=m
CONFIG_SUNRPC_GSS=m
CONFIG_SUNRPC_BACKCHANNEL=y
CONFIG_SUNRPC_XPRT_RDMA=m
CONFIG_RPCSEC_GSS_KRB5=m
CONFIG_SUNRPC_DEBUG=y
CONFIG_CEPH_FS=m
CONFIG_CIFS=m
CONFIG_CIFS_STATS=y
CONFIG_CIFS_STATS2=y
CONFIG_CIFS_WEAK_PW_HASH=y
CONFIG_CIFS_UPCALL=y
CONFIG_CIFS_XATTR=y
CONFIG_CIFS_POSIX=y
CONFIG_CIFS_DEBUG2=y
CONFIG_CIFS_DFS_UPCALL=y
CONFIG_CIFS_FSCACHE=y
CONFIG_CIFS_ACL=y
CONFIG_NCP_FS=m
CONFIG_NCPFS_PACKET_SIGNING=y
CONFIG_NCPFS_IOCTL_LOCKING=y
CONFIG_NCPFS_STRONG=y
CONFIG_NCPFS_NFS_NS=y
CONFIG_NCPFS_OS2_NS=y
CONFIG_NCPFS_SMALLDOS=y
CONFIG_NCPFS_NLS=y
CONFIG_NCPFS_EXTRAS=y
CONFIG_CODA_FS=m
CONFIG_AFS_FS=m
CONFIG_AFS_DEBUG=y
CONFIG_AFS_FSCACHE=y
CONFIG_9P_FS=y
CONFIG_9P_FS_POSIX_ACL=y
CONFIG_NLS=y
CONFIG_NLS_DEFAULT="iso8859-1"
CONFIG_NLS_CODEPAGE_437=m
CONFIG_NLS_CODEPAGE_737=m
CONFIG_NLS_CODEPAGE_775=m
CONFIG_NLS_CODEPAGE_850=m
CONFIG_NLS_CODEPAGE_852=m
CONFIG_NLS_CODEPAGE_855=m
CONFIG_NLS_CODEPAGE_857=m
CONFIG_NLS_CODEPAGE_860=m
CONFIG_NLS_CODEPAGE_861=m
CONFIG_NLS_CODEPAGE_862=m
CONFIG_NLS_CODEPAGE_863=m
CONFIG_NLS_CODEPAGE_864=m
CONFIG_NLS_CODEPAGE_865=m
CONFIG_NLS_CODEPAGE_866=m
CONFIG_NLS_CODEPAGE_869=m
CONFIG_NLS_CODEPAGE_936=m
CONFIG_NLS_CODEPAGE_950=m
CONFIG_NLS_CODEPAGE_932=m
CONFIG_NLS_CODEPAGE_949=m
CONFIG_NLS_CODEPAGE_874=m
CONFIG_NLS_ISO8859_8=m
CONFIG_NLS_CODEPAGE_1250=m
CONFIG_NLS_CODEPAGE_1251=m
CONFIG_NLS_ASCII=m
CONFIG_NLS_ISO8859_1=m
CONFIG_NLS_ISO8859_2=m
CONFIG_NLS_ISO8859_3=m
CONFIG_NLS_ISO8859_4=m
CONFIG_NLS_ISO8859_5=m
CONFIG_NLS_ISO8859_6=m
CONFIG_NLS_ISO8859_7=m
CONFIG_NLS_ISO8859_9=m
CONFIG_NLS_ISO8859_13=m
CONFIG_NLS_ISO8859_14=m
CONFIG_NLS_ISO8859_15=m
CONFIG_NLS_KOI8_R=m
CONFIG_NLS_KOI8_U=m
CONFIG_NLS_UTF8=m
CONFIG_DLM=m
CONFIG_DLM_DEBUG=y
#
# Kernel hacking
#
CONFIG_TRACE_IRQFLAGS_SUPPORT=y
CONFIG_PRINTK_TIME=y
CONFIG_DEFAULT_MESSAGE_LOGLEVEL=4
CONFIG_ENABLE_WARN_DEPRECATED=y
CONFIG_ENABLE_MUST_CHECK=y
CONFIG_FRAME_WARN=1024
CONFIG_MAGIC_SYSRQ=y
CONFIG_STRIP_ASM_SYMS=y
CONFIG_UNUSED_SYMBOLS=y
CONFIG_DEBUG_FS=y
CONFIG_HEADERS_CHECK=y
CONFIG_DEBUG_SECTION_MISMATCH=y
CONFIG_DEBUG_KERNEL=y
CONFIG_DEBUG_SHIRQ=y
CONFIG_LOCKUP_DETECTOR=y
CONFIG_HARDLOCKUP_DETECTOR=y
CONFIG_BOOTPARAM_HARDLOCKUP_PANIC=y
CONFIG_BOOTPARAM_HARDLOCKUP_PANIC_VALUE=1
CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC=y
CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=1
CONFIG_DETECT_HUNG_TASK=y
CONFIG_DEFAULT_HUNG_TASK_TIMEOUT=120
CONFIG_BOOTPARAM_HUNG_TASK_PANIC=y
CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=1
CONFIG_SCHED_DEBUG=y
CONFIG_SCHEDSTATS=y
CONFIG_TIMER_STATS=y
CONFIG_DEBUG_OBJECTS=y
CONFIG_DEBUG_OBJECTS_SELFTEST=y
CONFIG_DEBUG_OBJECTS_FREE=y
CONFIG_DEBUG_OBJECTS_TIMERS=y
CONFIG_DEBUG_OBJECTS_WORK=y
CONFIG_DEBUG_OBJECTS_RCU_HEAD=y
CONFIG_DEBUG_OBJECTS_PERCPU_COUNTER=y
CONFIG_DEBUG_OBJECTS_ENABLE_DEFAULT=1
CONFIG_SLUB_DEBUG_ON=y
CONFIG_SLUB_STATS=y
CONFIG_DEBUG_KMEMLEAK=y
CONFIG_DEBUG_KMEMLEAK_EARLY_LOG_SIZE=400
CONFIG_DEBUG_KMEMLEAK_TEST=m
CONFIG_DEBUG_KMEMLEAK_DEFAULT_OFF=y
CONFIG_DEBUG_RT_MUTEXES=y
CONFIG_DEBUG_PI_LIST=y
CONFIG_RT_MUTEX_TESTER=y
CONFIG_DEBUG_SPINLOCK=y
CONFIG_DEBUG_MUTEXES=y
CONFIG_DEBUG_LOCK_ALLOC=y
CONFIG_PROVE_LOCKING=y
CONFIG_PROVE_RCU=y
CONFIG_PROVE_RCU_REPEATEDLY=y
CONFIG_SPARSE_RCU_POINTER=y
CONFIG_LOCKDEP=y
CONFIG_LOCK_STAT=y
CONFIG_DEBUG_LOCKDEP=y
CONFIG_TRACE_IRQFLAGS=y
CONFIG_DEBUG_ATOMIC_SLEEP=y
CONFIG_DEBUG_LOCKING_API_SELFTESTS=y
CONFIG_STACKTRACE=y
CONFIG_DEBUG_STACK_USAGE=y
# CONFIG_DEBUG_KOBJECT is not set
CONFIG_DEBUG_HIGHMEM=y
CONFIG_DEBUG_BUGVERBOSE=y
# CONFIG_DEBUG_INFO is not set
CONFIG_DEBUG_VM=y
CONFIG_DEBUG_VIRTUAL=y
CONFIG_DEBUG_WRITECOUNT=y
CONFIG_DEBUG_MEMORY_INIT=y
CONFIG_DEBUG_LIST=y
CONFIG_TEST_LIST_SORT=y
CONFIG_DEBUG_SG=y
CONFIG_DEBUG_NOTIFIERS=y
CONFIG_DEBUG_CREDENTIALS=y
CONFIG_ARCH_WANT_FRAME_POINTERS=y
CONFIG_FRAME_POINTER=y
CONFIG_BOOT_PRINTK_DELAY=y
# CONFIG_RCU_TORTURE_TEST is not set
CONFIG_RCU_CPU_STALL_TIMEOUT=60
CONFIG_RCU_CPU_STALL_INFO=y
CONFIG_RCU_TRACE=y
CONFIG_KPROBES_SANITY_TEST=y
# CONFIG_BACKTRACE_SELF_TEST is not set
CONFIG_DEBUG_BLOCK_EXT_DEVT=y
CONFIG_DEBUG_FORCE_WEAK_PER_CPU=y
CONFIG_DEBUG_PER_CPU_MAPS=y
CONFIG_LKDTM=m
CONFIG_CPU_NOTIFIER_ERROR_INJECT=m
CONFIG_FAULT_INJECTION=y
CONFIG_FAILSLAB=y
CONFIG_FAIL_PAGE_ALLOC=y
CONFIG_FAIL_MAKE_REQUEST=y
CONFIG_FAIL_IO_TIMEOUT=y
CONFIG_FAIL_MMC_REQUEST=y
CONFIG_FAULT_INJECTION_DEBUG_FS=y
CONFIG_FAULT_INJECTION_STACKTRACE_FILTER=y
CONFIG_LATENCYTOP=y
CONFIG_DEBUG_PAGEALLOC=y
CONFIG_WANT_PAGE_DEBUG_FLAGS=y
CONFIG_PAGE_GUARD=y
CONFIG_USER_STACKTRACE_SUPPORT=y
CONFIG_NOP_TRACER=y
CONFIG_HAVE_FTRACE_NMI_ENTER=y
CONFIG_HAVE_FUNCTION_TRACER=y
CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
CONFIG_HAVE_FUNCTION_GRAPH_FP_TEST=y
CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y
CONFIG_HAVE_DYNAMIC_FTRACE=y
CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
CONFIG_HAVE_SYSCALL_TRACEPOINTS=y
CONFIG_HAVE_C_RECORDMCOUNT=y
CONFIG_TRACER_MAX_TRACE=y
CONFIG_RING_BUFFER=y
CONFIG_FTRACE_NMI_ENTER=y
CONFIG_EVENT_TRACING=y
CONFIG_EVENT_POWER_TRACING_DEPRECATED=y
CONFIG_CONTEXT_SWITCH_TRACER=y
CONFIG_RING_BUFFER_ALLOW_SWAP=y
CONFIG_TRACING=y
CONFIG_GENERIC_TRACER=y
CONFIG_TRACING_SUPPORT=y
CONFIG_FTRACE=y
CONFIG_FUNCTION_TRACER=y
CONFIG_IRQSOFF_TRACER=y
CONFIG_SCHED_TRACER=y
CONFIG_FTRACE_SYSCALLS=y
CONFIG_BRANCH_PROFILE_NONE=y
# CONFIG_PROFILE_ANNOTATED_BRANCHES is not set
# CONFIG_PROFILE_ALL_BRANCHES is not set
CONFIG_STACK_TRACER=y
CONFIG_BLK_DEV_IO_TRACE=y
CONFIG_KPROBE_EVENT=y
CONFIG_DYNAMIC_FTRACE=y
CONFIG_FUNCTION_PROFILER=y
CONFIG_FTRACE_MCOUNT_RECORD=y
CONFIG_FTRACE_SELFTEST=y
CONFIG_FTRACE_STARTUP_TEST=y
CONFIG_EVENT_TRACE_TEST_SYSCALLS=y
CONFIG_MMIOTRACE=y
CONFIG_MMIOTRACE_TEST=m
CONFIG_RING_BUFFER_BENCHMARK=m
CONFIG_PROVIDE_OHCI1394_DMA_INIT=y
CONFIG_FIREWIRE_OHCI_REMOTE_DMA=y
CONFIG_BUILD_DOCSRC=y
CONFIG_DYNAMIC_DEBUG=y
CONFIG_DMA_API_DEBUG=y
CONFIG_ATOMIC64_SELFTEST=y
CONFIG_ASYNC_RAID6_TEST=m
# CONFIG_SAMPLES is not set
CONFIG_HAVE_ARCH_KGDB=y
CONFIG_KGDB=y
CONFIG_KGDB_SERIAL_CONSOLE=y
CONFIG_KGDB_TESTS=y
CONFIG_KGDB_TESTS_ON_BOOT=y
CONFIG_KGDB_TESTS_BOOT_STRING="V1F100"
CONFIG_KGDB_LOW_LEVEL_TRAP=y
CONFIG_KGDB_KDB=y
CONFIG_KDB_KEYBOARD=y
CONFIG_HAVE_ARCH_KMEMCHECK=y
CONFIG_TEST_KSTRTOX=m
CONFIG_STRICT_DEVMEM=y
CONFIG_X86_VERBOSE_BOOTUP=y
CONFIG_EARLY_PRINTK=y
CONFIG_EARLY_PRINTK_INTEL_MID=y
CONFIG_EARLY_PRINTK_DBGP=y
CONFIG_DEBUG_STACKOVERFLOW=y
CONFIG_X86_PTDUMP=y
CONFIG_DEBUG_RODATA=y
CONFIG_DEBUG_RODATA_TEST=y
CONFIG_DEBUG_SET_MODULE_RONX=y
CONFIG_DEBUG_NX_TEST=m
CONFIG_DOUBLEFAULT=y
CONFIG_IOMMU_STRESS=y
CONFIG_HAVE_MMIOTRACE_SUPPORT=y
CONFIG_X86_DECODER_SELFTEST=y
CONFIG_IO_DELAY_TYPE_0X80=0
CONFIG_IO_DELAY_TYPE_0XED=1
CONFIG_IO_DELAY_TYPE_UDELAY=2
CONFIG_IO_DELAY_TYPE_NONE=3
CONFIG_IO_DELAY_0X80=y
# CONFIG_IO_DELAY_0XED is not set
# CONFIG_IO_DELAY_UDELAY is not set
# CONFIG_IO_DELAY_NONE is not set
CONFIG_DEFAULT_IO_DELAY_TYPE=0
CONFIG_DEBUG_BOOT_PARAMS=y
CONFIG_CPA_DEBUG=y
CONFIG_OPTIMIZE_INLINING=y
# CONFIG_DEBUG_STRICT_USER_COPY_CHECKS is not set
CONFIG_DEBUG_NMI_SELFTEST=y
#
# Security options
#
CONFIG_KEYS=y
CONFIG_TRUSTED_KEYS=m
CONFIG_ENCRYPTED_KEYS=m
CONFIG_KEYS_DEBUG_PROC_KEYS=y
CONFIG_SECURITY_DMESG_RESTRICT=y
CONFIG_SECURITY=y
CONFIG_SECURITYFS=y
CONFIG_SECURITY_NETWORK=y
CONFIG_SECURITY_NETWORK_XFRM=y
CONFIG_SECURITY_PATH=y
CONFIG_INTEL_TXT=y
CONFIG_LSM_MMAP_MIN_ADDR=65536
CONFIG_SECURITY_SELINUX=y
CONFIG_SECURITY_SELINUX_BOOTPARAM=y
CONFIG_SECURITY_SELINUX_BOOTPARAM_VALUE=1
CONFIG_SECURITY_SELINUX_DISABLE=y
CONFIG_SECURITY_SELINUX_DEVELOP=y
CONFIG_SECURITY_SELINUX_AVC_STATS=y
CONFIG_SECURITY_SELINUX_CHECKREQPROT_VALUE=1
CONFIG_SECURITY_SELINUX_POLICYDB_VERSION_MAX=y
CONFIG_SECURITY_SELINUX_POLICYDB_VERSION_MAX_VALUE=19
CONFIG_SECURITY_SMACK=y
CONFIG_SECURITY_TOMOYO=y
CONFIG_SECURITY_TOMOYO_MAX_ACCEPT_ENTRY=2048
CONFIG_SECURITY_TOMOYO_MAX_AUDIT_LOG=1024
CONFIG_SECURITY_TOMOYO_OMIT_USERSPACE_LOADER=y
CONFIG_SECURITY_APPARMOR=y
CONFIG_SECURITY_APPARMOR_BOOTPARAM_VALUE=1
CONFIG_SECURITY_YAMA=y
CONFIG_INTEGRITY=y
CONFIG_INTEGRITY_SIGNATURE=y
CONFIG_IMA=y
CONFIG_IMA_MEASURE_PCR_IDX=10
CONFIG_IMA_AUDIT=y
CONFIG_IMA_LSM_RULES=y
CONFIG_DEFAULT_SECURITY_SELINUX=y
# CONFIG_DEFAULT_SECURITY_SMACK is not set
# CONFIG_DEFAULT_SECURITY_TOMOYO is not set
# CONFIG_DEFAULT_SECURITY_APPARMOR is not set
# CONFIG_DEFAULT_SECURITY_YAMA is not set
# CONFIG_DEFAULT_SECURITY_DAC is not set
CONFIG_DEFAULT_SECURITY="selinux"
CONFIG_XOR_BLOCKS=m
CONFIG_ASYNC_CORE=m
CONFIG_ASYNC_MEMCPY=m
CONFIG_ASYNC_XOR=m
CONFIG_ASYNC_PQ=m
CONFIG_ASYNC_RAID6_RECOV=m
CONFIG_ASYNC_TX_DISABLE_PQ_VAL_DMA=y
CONFIG_ASYNC_TX_DISABLE_XOR_VAL_DMA=y
CONFIG_CRYPTO=y
#
# Crypto core or helper
#
CONFIG_CRYPTO_ALGAPI=y
CONFIG_CRYPTO_ALGAPI2=y
CONFIG_CRYPTO_AEAD=m
CONFIG_CRYPTO_AEAD2=y
CONFIG_CRYPTO_BLKCIPHER=m
CONFIG_CRYPTO_BLKCIPHER2=y
CONFIG_CRYPTO_HASH=y
CONFIG_CRYPTO_HASH2=y
CONFIG_CRYPTO_RNG=m
CONFIG_CRYPTO_RNG2=y
CONFIG_CRYPTO_PCOMP=m
CONFIG_CRYPTO_PCOMP2=y
CONFIG_CRYPTO_MANAGER=y
CONFIG_CRYPTO_MANAGER2=y
CONFIG_CRYPTO_USER=m
CONFIG_CRYPTO_MANAGER_DISABLE_TESTS=y
CONFIG_CRYPTO_GF128MUL=m
CONFIG_CRYPTO_NULL=m
CONFIG_CRYPTO_PCRYPT=m
CONFIG_CRYPTO_WORKQUEUE=y
CONFIG_CRYPTO_CRYPTD=m
CONFIG_CRYPTO_AUTHENC=m
CONFIG_CRYPTO_TEST=m
#
# Authenticated Encryption with Associated Data
#
CONFIG_CRYPTO_CCM=m
CONFIG_CRYPTO_GCM=m
CONFIG_CRYPTO_SEQIV=m
#
# Block modes
#
CONFIG_CRYPTO_CBC=m
CONFIG_CRYPTO_CTR=m
CONFIG_CRYPTO_CTS=m
CONFIG_CRYPTO_ECB=m
CONFIG_CRYPTO_LRW=m
CONFIG_CRYPTO_PCBC=m
CONFIG_CRYPTO_XTS=m
#
# Hash modes
#
CONFIG_CRYPTO_HMAC=y
CONFIG_CRYPTO_XCBC=m
CONFIG_CRYPTO_VMAC=m
#
# Digest
#
CONFIG_CRYPTO_CRC32C=m
CONFIG_CRYPTO_CRC32C_INTEL=m
CONFIG_CRYPTO_GHASH=m
CONFIG_CRYPTO_MD4=m
CONFIG_CRYPTO_MD5=y
CONFIG_CRYPTO_MICHAEL_MIC=m
CONFIG_CRYPTO_RMD128=m
CONFIG_CRYPTO_RMD160=m
CONFIG_CRYPTO_RMD256=m
CONFIG_CRYPTO_RMD320=m
CONFIG_CRYPTO_SHA1=y
CONFIG_CRYPTO_SHA256=m
CONFIG_CRYPTO_SHA512=m
CONFIG_CRYPTO_TGR192=m
CONFIG_CRYPTO_WP512=m
#
# Ciphers
#
CONFIG_CRYPTO_AES=m
CONFIG_CRYPTO_AES_586=m
CONFIG_CRYPTO_AES_NI_INTEL=m
CONFIG_CRYPTO_ANUBIS=m
CONFIG_CRYPTO_ARC4=m
CONFIG_CRYPTO_BLOWFISH=m
CONFIG_CRYPTO_BLOWFISH_COMMON=m
CONFIG_CRYPTO_CAMELLIA=m
CONFIG_CRYPTO_CAST5=m
CONFIG_CRYPTO_CAST6=m
CONFIG_CRYPTO_DES=m
CONFIG_CRYPTO_FCRYPT=m
CONFIG_CRYPTO_KHAZAD=m
CONFIG_CRYPTO_SALSA20=m
CONFIG_CRYPTO_SALSA20_586=m
CONFIG_CRYPTO_SEED=m
CONFIG_CRYPTO_SERPENT=m
CONFIG_CRYPTO_SERPENT_SSE2_586=m
CONFIG_CRYPTO_TEA=m
CONFIG_CRYPTO_TWOFISH=m
CONFIG_CRYPTO_TWOFISH_COMMON=m
CONFIG_CRYPTO_TWOFISH_586=m
#
# Compression
#
CONFIG_CRYPTO_DEFLATE=m
CONFIG_CRYPTO_ZLIB=m
CONFIG_CRYPTO_LZO=y
#
# Random Number Generation
#
CONFIG_CRYPTO_ANSI_CPRNG=m
CONFIG_CRYPTO_USER_API=m
CONFIG_CRYPTO_USER_API_HASH=m
CONFIG_CRYPTO_USER_API_SKCIPHER=m
CONFIG_CRYPTO_HW=y
CONFIG_CRYPTO_DEV_PADLOCK=m
CONFIG_CRYPTO_DEV_PADLOCK_AES=m
CONFIG_CRYPTO_DEV_PADLOCK_SHA=m
CONFIG_CRYPTO_DEV_GEODE=m
CONFIG_HAVE_KVM=y
CONFIG_HAVE_KVM_IRQCHIP=y
CONFIG_HAVE_KVM_EVENTFD=y
CONFIG_KVM_APIC_ARCHITECTURE=y
CONFIG_KVM_MMIO=y
CONFIG_KVM_ASYNC_PF=y
CONFIG_VIRTUALIZATION=y
CONFIG_KVM=m
CONFIG_KVM_INTEL=m
CONFIG_KVM_AMD=m
CONFIG_KVM_MMU_AUDIT=y
CONFIG_VHOST_NET=m
CONFIG_LGUEST=m
CONFIG_BINARY_PRINTF=y
#
# Library routines
#
CONFIG_RAID6_PQ=m
CONFIG_BITREVERSE=y
CONFIG_GENERIC_FIND_FIRST_BIT=y
CONFIG_GENERIC_PCI_IOMAP=y
CONFIG_GENERIC_IOMAP=y
CONFIG_GENERIC_IO=y
CONFIG_CRC_CCITT=m
CONFIG_CRC16=m
CONFIG_CRC_T10DIF=m
CONFIG_CRC_ITU_T=m
CONFIG_CRC32=y
CONFIG_CRC32_SELFTEST=y
CONFIG_CRC32_SLICEBY8=y
# CONFIG_CRC32_SLICEBY4 is not set
# CONFIG_CRC32_SARWATE is not set
# CONFIG_CRC32_BIT is not set
CONFIG_CRC7=m
CONFIG_LIBCRC32C=m
CONFIG_CRC8=m
CONFIG_AUDIT_GENERIC=y
CONFIG_ZLIB_INFLATE=y
CONFIG_ZLIB_DEFLATE=m
CONFIG_LZO_COMPRESS=y
CONFIG_LZO_DECOMPRESS=y
CONFIG_XZ_DEC=y
CONFIG_XZ_DEC_X86=y
CONFIG_XZ_DEC_POWERPC=y
CONFIG_XZ_DEC_IA64=y
CONFIG_XZ_DEC_ARM=y
CONFIG_XZ_DEC_ARMTHUMB=y
CONFIG_XZ_DEC_SPARC=y
CONFIG_XZ_DEC_BCJ=y
CONFIG_XZ_DEC_TEST=m
CONFIG_DECOMPRESS_GZIP=y
CONFIG_DECOMPRESS_BZIP2=y
CONFIG_DECOMPRESS_LZMA=y
CONFIG_DECOMPRESS_XZ=y
CONFIG_DECOMPRESS_LZO=y
CONFIG_GENERIC_ALLOCATOR=y
CONFIG_REED_SOLOMON=m
CONFIG_REED_SOLOMON_DEC16=y
CONFIG_BCH=m
CONFIG_BCH_CONST_PARAMS=y
CONFIG_TEXTSEARCH=y
CONFIG_TEXTSEARCH_KMP=m
CONFIG_TEXTSEARCH_BM=m
CONFIG_TEXTSEARCH_FSM=m
CONFIG_BTREE=y
CONFIG_HAS_IOMEM=y
CONFIG_HAS_IOPORT=y
CONFIG_HAS_DMA=y
CONFIG_CHECK_SIGNATURE=y
CONFIG_CPUMASK_OFFSTACK=y
CONFIG_CPU_RMAP=y
CONFIG_DQL=y
CONFIG_NLATTR=y
CONFIG_LRU_CACHE=m
CONFIG_AVERAGE=y
CONFIG_CLZ_TAB=y
CONFIG_CORDIC=m
CONFIG_MPILIB=y
CONFIG_SIGNATURE=y
[-- Attachment #8: Type: text/plain, Size: 183 bytes --]
_______________________________________________
Virtualization mailing list
Virtualization@lists.linux-foundation.org
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^ permalink raw reply related
* [PATCH RFC 2/2] virtio-blk: Add bio-based IO path for virtio-blk
From: Asias He @ 2012-06-13 7:41 UTC (permalink / raw)
To: kvm, linux-kernel, virtualization; +Cc: Christoph Hellwig, Michael S. Tsirkin
In-Reply-To: <1339573307-11537-1-git-send-email-asias@redhat.com>
This patch introduces bio-based IO path for virtio-blk.
Compared to request-based IO path, bio-based IO path uses driver
provided ->make_request_fn() method to bypasses the IO scheduler. It
handles the bio to device directly without allocating a request in block
layer. This reduces the IO path in guest kernel to achieve high IOPS
and lower latency. The downside is that guest can not use the IO
scheduler to merge and sort requests. However, this is not a big problem
if the backend disk in host side uses faster disk device.
When the bio-based IO path is not enabled, virtio-blk still uses the
original request-based IO path, no performance difference is observed.
Performance evaluation:
-----------------------------
Fio test is performed in a 8 vcpu guest with ramdisk based guest using
kvm tool.
Short version:
With bio-based IO path, sequential read/write, random read/write
IOPS boost : 28%, 24%, 21%, 16%
Latency improvement: 32%, 17%, 21%, 16%
Long version:
With bio-based IO path:
seq-read : io=2048.0MB, bw=116996KB/s, iops=233991 , runt= 17925msec
seq-write : io=2048.0MB, bw=100829KB/s, iops=201658 , runt= 20799msec
rand-read : io=3095.7MB, bw=112134KB/s, iops=224268 , runt= 28269msec
rand-write: io=3095.7MB, bw=96198KB/s, iops=192396 , runt= 32952msec
clat (usec): min=0 , max=2631.6K, avg=58716.99, stdev=191377.30
clat (usec): min=0 , max=1753.2K, avg=66423.25, stdev=81774.35
clat (usec): min=0 , max=2915.5K, avg=61685.70, stdev=120598.39
clat (usec): min=0 , max=1933.4K, avg=76935.12, stdev=96603.45
cpu : usr=74.08%, sys=703.84%, ctx=29661403, majf=21354, minf=22460954
cpu : usr=70.92%, sys=702.81%, ctx=77219828, majf=13980, minf=27713137
cpu : usr=72.23%, sys=695.37%, ctx=88081059, majf=18475, minf=28177648
cpu : usr=69.69%, sys=654.13%, ctx=145476035, majf=15867, minf=26176375
With request-based IO path:
seq-read : io=2048.0MB, bw=91074KB/s, iops=182147 , runt= 23027msec
seq-write : io=2048.0MB, bw=80725KB/s, iops=161449 , runt= 25979msec
rand-read : io=3095.7MB, bw=92106KB/s, iops=184211 , runt= 34416msec
rand-write: io=3095.7MB, bw=82815KB/s, iops=165630 , runt= 38277msec
clat (usec): min=0 , max=1932.4K, avg=77824.17, stdev=170339.49
clat (usec): min=0 , max=2510.2K, avg=78023.96, stdev=146949.15
clat (usec): min=0 , max=3037.2K, avg=74746.53, stdev=128498.27
clat (usec): min=0 , max=1363.4K, avg=89830.75, stdev=114279.68
cpu : usr=53.28%, sys=724.19%, ctx=37988895, majf=17531, minf=23577622
cpu : usr=49.03%, sys=633.20%, ctx=205935380, majf=18197, minf=27288959
cpu : usr=55.78%, sys=722.40%, ctx=101525058, majf=19273, minf=28067082
cpu : usr=56.55%, sys=690.83%, ctx=228205022, majf=18039, minf=26551985
How to use:
-----------------------------
Add 'virtio_blk.use_bio=1' to kernel cmdline or 'modprobe virtio_blk
use_bio=1' to enable ->make_request_fn() based I/O path.
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: virtualization@lists.linux-foundation.org
Cc: kvm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Minchan Kim <minchan.kim@gmail.com>
Signed-off-by: Asias He <asias@redhat.com>
---
drivers/block/virtio_blk.c | 203 +++++++++++++++++++++++++++++++++++---------
1 file changed, 163 insertions(+), 40 deletions(-)
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 774c31d..b2d5002 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -14,6 +14,9 @@
#define PART_BITS 4
+static bool use_bio;
+module_param(use_bio, bool, S_IRUGO);
+
static int major;
static DEFINE_IDA(vd_index_ida);
@@ -23,6 +26,7 @@ struct virtio_blk
{
struct virtio_device *vdev;
struct virtqueue *vq;
+ wait_queue_head_t queue_wait;
/* The disk structure for the kernel. */
struct gendisk *disk;
@@ -51,53 +55,87 @@ struct virtio_blk
struct virtblk_req
{
struct request *req;
+ struct bio *bio;
struct virtio_blk_outhdr out_hdr;
struct virtio_scsi_inhdr in_hdr;
u8 status;
+ struct scatterlist sg[];
};
-static void blk_done(struct virtqueue *vq)
+static inline int virtblk_result(struct virtblk_req *vbr)
+{
+ switch (vbr->status) {
+ case VIRTIO_BLK_S_OK:
+ return 0;
+ case VIRTIO_BLK_S_UNSUPP:
+ return -ENOTTY;
+ default:
+ return -EIO;
+ }
+}
+
+static inline void virtblk_request_done(struct virtio_blk *vblk,
+ struct virtblk_req *vbr)
+{
+ struct request *req = vbr->req;
+ int error = virtblk_result(vbr);
+
+ if (req->cmd_type == REQ_TYPE_BLOCK_PC) {
+ req->resid_len = vbr->in_hdr.residual;
+ req->sense_len = vbr->in_hdr.sense_len;
+ req->errors = vbr->in_hdr.errors;
+ } else if (req->cmd_type == REQ_TYPE_SPECIAL) {
+ req->errors = (error != 0);
+ }
+
+ __blk_end_request_all(req, error);
+ mempool_free(vbr, vblk->pool);
+}
+
+static inline void virtblk_bio_done(struct virtio_blk *vblk,
+ struct virtblk_req *vbr)
+{
+ bio_endio(vbr->bio, virtblk_result(vbr));
+ mempool_free(vbr, vblk->pool);
+}
+
+static void virtblk_done(struct virtqueue *vq)
{
struct virtio_blk *vblk = vq->vdev->priv;
+ unsigned long bio_done = 0, req_done = 0;
struct virtblk_req *vbr;
- unsigned int len;
unsigned long flags;
+ unsigned int len;
spin_lock_irqsave(vblk->disk->queue->queue_lock, flags);
while ((vbr = virtqueue_get_buf(vblk->vq, &len)) != NULL) {
- int error;
-
- switch (vbr->status) {
- case VIRTIO_BLK_S_OK:
- error = 0;
- break;
- case VIRTIO_BLK_S_UNSUPP:
- error = -ENOTTY;
- break;
- default:
- error = -EIO;
- break;
- }
-
- switch (vbr->req->cmd_type) {
- case REQ_TYPE_BLOCK_PC:
- vbr->req->resid_len = vbr->in_hdr.residual;
- vbr->req->sense_len = vbr->in_hdr.sense_len;
- vbr->req->errors = vbr->in_hdr.errors;
- break;
- case REQ_TYPE_SPECIAL:
- vbr->req->errors = (error != 0);
- break;
- default:
- break;
+ if (vbr->bio) {
+ virtblk_bio_done(vblk, vbr);
+ bio_done++;
+ } else {
+ virtblk_request_done(vblk, vbr);
+ req_done++;
}
-
- __blk_end_request_all(vbr->req, error);
- mempool_free(vbr, vblk->pool);
}
/* In case queue is stopped waiting for more buffers. */
- blk_start_queue(vblk->disk->queue);
+ if (req_done)
+ blk_start_queue(vblk->disk->queue);
spin_unlock_irqrestore(vblk->disk->queue->queue_lock, flags);
+
+ if (bio_done)
+ wake_up(&vblk->queue_wait);
+}
+
+static inline struct virtblk_req *virtblk_alloc_req(struct virtio_blk *vblk,
+ gfp_t gfp_mask)
+{
+ struct virtblk_req *vbr;
+
+ vbr = mempool_alloc(vblk->pool, gfp_mask);
+ if (vbr && use_bio)
+ sg_init_table(vbr->sg, vblk->sg_elems);
+
+ return vbr;
}
static bool do_req(struct request_queue *q, struct virtio_blk *vblk,
@@ -106,13 +144,13 @@ static bool do_req(struct request_queue *q, struct virtio_blk *vblk,
unsigned long num, out = 0, in = 0;
struct virtblk_req *vbr;
- vbr = mempool_alloc(vblk->pool, GFP_ATOMIC);
+ vbr = virtblk_alloc_req(vblk, GFP_ATOMIC);
if (!vbr)
/* When another request finishes we'll try again. */
return false;
vbr->req = req;
-
+ vbr->bio = NULL;
if (req->cmd_flags & REQ_FLUSH) {
vbr->out_hdr.type = VIRTIO_BLK_T_FLUSH;
vbr->out_hdr.sector = 0;
@@ -172,7 +210,8 @@ static bool do_req(struct request_queue *q, struct virtio_blk *vblk,
}
}
- if (virtqueue_add_buf(vblk->vq, vblk->sg, out, in, vbr, GFP_ATOMIC)<0) {
+ if (virtqueue_add_buf(vblk->vq, vblk->sg, out, in, vbr,
+ GFP_ATOMIC) < 0) {
mempool_free(vbr, vblk->pool);
return false;
}
@@ -180,7 +219,7 @@ static bool do_req(struct request_queue *q, struct virtio_blk *vblk,
return true;
}
-static void do_virtblk_request(struct request_queue *q)
+static void virtblk_request(struct request_queue *q)
{
struct virtio_blk *vblk = q->queuedata;
struct request *req;
@@ -203,6 +242,82 @@ static void do_virtblk_request(struct request_queue *q)
virtqueue_kick(vblk->vq);
}
+static void virtblk_add_buf_wait(struct virtio_blk *vblk,
+ struct virtblk_req *vbr,
+ unsigned long out,
+ unsigned long in)
+{
+ DEFINE_WAIT(wait);
+
+ for (;;) {
+ prepare_to_wait_exclusive(&vblk->queue_wait, &wait,
+ TASK_UNINTERRUPTIBLE);
+
+ spin_lock_irq(vblk->disk->queue->queue_lock);
+ if (virtqueue_add_buf(vblk->vq, vbr->sg, out, in, vbr,
+ GFP_ATOMIC) < 0) {
+ spin_unlock_irq(vblk->disk->queue->queue_lock);
+ io_schedule();
+ } else {
+ virtqueue_kick(vblk->vq);
+ spin_unlock_irq(vblk->disk->queue->queue_lock);
+ break;
+ }
+
+ }
+
+ finish_wait(&vblk->queue_wait, &wait);
+}
+
+static void virtblk_make_request(struct request_queue *q, struct bio *bio)
+{
+ struct virtio_blk *vblk = q->queuedata;
+ unsigned int num, out = 0, in = 0;
+ struct virtblk_req *vbr;
+
+ BUG_ON(bio->bi_phys_segments + 2 > vblk->sg_elems);
+ BUG_ON(bio->bi_rw & (REQ_FLUSH | REQ_FUA));
+
+ vbr = virtblk_alloc_req(vblk, GFP_NOIO);
+ if (!vbr) {
+ bio_endio(bio, -ENOMEM);
+ return;
+ }
+
+ vbr->bio = bio;
+ vbr->req = NULL;
+ vbr->out_hdr.type = 0;
+ vbr->out_hdr.sector = bio->bi_sector;
+ vbr->out_hdr.ioprio = bio_prio(bio);
+
+ sg_set_buf(&vbr->sg[out++], &vbr->out_hdr, sizeof(vbr->out_hdr));
+
+ num = blk_bio_map_sg(q, bio, vbr->sg + out);
+
+ sg_set_buf(&vbr->sg[num + out + in++], &vbr->status,
+ sizeof(vbr->status));
+
+ if (num) {
+ if (bio->bi_rw & REQ_WRITE) {
+ vbr->out_hdr.type |= VIRTIO_BLK_T_OUT;
+ out += num;
+ } else {
+ vbr->out_hdr.type |= VIRTIO_BLK_T_IN;
+ in += num;
+ }
+ }
+
+ spin_lock_irq(vblk->disk->queue->queue_lock);
+ if (virtqueue_add_buf(vblk->vq, vbr->sg, out, in, vbr,
+ GFP_ATOMIC) < 0) {
+ spin_unlock_irq(vblk->disk->queue->queue_lock);
+ virtblk_add_buf_wait(vblk, vbr, out, in);
+ } else {
+ virtqueue_kick(vblk->vq);
+ spin_unlock_irq(vblk->disk->queue->queue_lock);
+ }
+}
+
/* return id (s/n) string for *disk to *id_str
*/
static int virtblk_get_id(struct gendisk *disk, char *id_str)
@@ -360,7 +475,7 @@ static int init_vq(struct virtio_blk *vblk)
int err = 0;
/* We expect one virtqueue, for output. */
- vblk->vq = virtio_find_single_vq(vblk->vdev, blk_done, "requests");
+ vblk->vq = virtio_find_single_vq(vblk->vdev, virtblk_done, "requests");
if (IS_ERR(vblk->vq))
err = PTR_ERR(vblk->vq);
@@ -400,6 +515,8 @@ static int __devinit virtblk_probe(struct virtio_device *vdev)
struct virtio_blk *vblk;
struct request_queue *q;
int err, index;
+ int pool_size;
+
u64 cap;
u32 v, blk_size, sg_elems, opt_io_size;
u16 min_io_size;
@@ -429,10 +546,12 @@ static int __devinit virtblk_probe(struct virtio_device *vdev)
goto out_free_index;
}
+ init_waitqueue_head(&vblk->queue_wait);
vblk->vdev = vdev;
vblk->sg_elems = sg_elems;
sg_init_table(vblk->sg, vblk->sg_elems);
mutex_init(&vblk->config_lock);
+
INIT_WORK(&vblk->config_work, virtblk_config_changed_work);
vblk->config_enable = true;
@@ -440,7 +559,10 @@ static int __devinit virtblk_probe(struct virtio_device *vdev)
if (err)
goto out_free_vblk;
- vblk->pool = mempool_create_kmalloc_pool(1,sizeof(struct virtblk_req));
+ pool_size = sizeof(struct virtblk_req);
+ if (use_bio)
+ pool_size += sizeof(struct scatterlist) * sg_elems;
+ vblk->pool = mempool_create_kmalloc_pool(1, pool_size);
if (!vblk->pool) {
err = -ENOMEM;
goto out_free_vq;
@@ -453,12 +575,14 @@ static int __devinit virtblk_probe(struct virtio_device *vdev)
goto out_mempool;
}
- q = vblk->disk->queue = blk_init_queue(do_virtblk_request, NULL);
+ q = vblk->disk->queue = blk_init_queue(virtblk_request, NULL);
if (!q) {
err = -ENOMEM;
goto out_put_disk;
}
+ if (use_bio)
+ blk_queue_make_request(q, virtblk_make_request);
q->queuedata = vblk;
virtblk_name_format("vd", index, vblk->disk->disk_name, DISK_NAME_LEN);
@@ -471,7 +595,7 @@ static int __devinit virtblk_probe(struct virtio_device *vdev)
vblk->index = index;
/* configure queue flush support */
- if (virtio_has_feature(vdev, VIRTIO_BLK_F_FLUSH))
+ if (virtio_has_feature(vdev, VIRTIO_BLK_F_FLUSH) && !use_bio)
blk_queue_flush(q, REQ_FLUSH);
/* If disk is read-only in the host, the guest should obey */
@@ -544,7 +668,6 @@ static int __devinit virtblk_probe(struct virtio_device *vdev)
if (!err && opt_io_size)
blk_queue_io_opt(q, blk_size * opt_io_size);
-
add_disk(vblk->disk);
err = device_create_file(disk_to_dev(vblk->disk), &dev_attr_serial);
if (err)
--
1.7.10.2
^ permalink raw reply related
* [PATCH RFC 1/2] block: Add blk_bio_map_sg() helper
From: Asias He @ 2012-06-13 7:41 UTC (permalink / raw)
To: kvm, linux-kernel, virtualization
Cc: Jens Axboe, Tejun Heo, Shaohua Li, Christoph Hellwig
In-Reply-To: <1339573307-11537-1-git-send-email-asias@redhat.com>
Add a helper to map a bio to a scatterlist, modelled after
blk_rq_map_sg.
This helper is useful for any driver that wants to create
a scatterlist from its ->make_request_fn method.
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Tejun Heo <tj@kernel.org>
Cc: Shaohua Li <shli@kernel.org>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Minchan Kim <minchan.kim@gmail.com>
Signed-off-by: Asias He <asias@redhat.com>
---
block/blk-merge.c | 63 ++++++++++++++++++++++++++++++++++++++++++++++++
include/linux/blkdev.h | 2 ++
2 files changed, 65 insertions(+)
diff --git a/block/blk-merge.c b/block/blk-merge.c
index 160035f..27ba264 100644
--- a/block/blk-merge.c
+++ b/block/blk-merge.c
@@ -199,6 +199,69 @@ new_segment:
}
EXPORT_SYMBOL(blk_rq_map_sg);
+/*
+ * map a bio to a scatterlist, return number of sg entries setup. Caller
+ * must make sure sg can hold bio->bi_phys_segments entries
+ */
+int blk_bio_map_sg(struct request_queue *q, struct bio *bio,
+ struct scatterlist *sglist)
+{
+ struct bio_vec *bvec, *bvprv;
+ struct scatterlist *sg;
+ int nsegs, cluster;
+ unsigned long i;
+
+ nsegs = 0;
+ cluster = blk_queue_cluster(q);
+
+ bvprv = NULL;
+ sg = NULL;
+ bio_for_each_segment(bvec, bio, i) {
+ int nbytes = bvec->bv_len;
+
+ if (bvprv && cluster) {
+ if (sg->length + nbytes > queue_max_segment_size(q))
+ goto new_segment;
+
+ if (!BIOVEC_PHYS_MERGEABLE(bvprv, bvec))
+ goto new_segment;
+ if (!BIOVEC_SEG_BOUNDARY(q, bvprv, bvec))
+ goto new_segment;
+
+ sg->length += nbytes;
+ } else {
+new_segment:
+ if (!sg)
+ sg = sglist;
+ else {
+ /*
+ * If the driver previously mapped a shorter
+ * list, we could see a termination bit
+ * prematurely unless it fully inits the sg
+ * table on each mapping. We KNOW that there
+ * must be more entries here or the driver
+ * would be buggy, so force clear the
+ * termination bit to avoid doing a full
+ * sg_init_table() in drivers for each command.
+ */
+ sg->page_link &= ~0x02;
+ sg = sg_next(sg);
+ }
+
+ sg_set_page(sg, bvec->bv_page, nbytes, bvec->bv_offset);
+ nsegs++;
+ }
+ bvprv = bvec;
+ } /* segments in bio */
+
+ if (sg)
+ sg_mark_end(sg);
+
+ BUG_ON(bio->bi_phys_segments && nsegs > bio->bi_phys_segments);
+ return nsegs;
+}
+EXPORT_SYMBOL(blk_bio_map_sg);
+
static inline int ll_new_hw_segment(struct request_queue *q,
struct request *req,
struct bio *bio)
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index ba43f40..46916af 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -884,6 +884,8 @@ extern void blk_queue_flush_queueable(struct request_queue *q, bool queueable);
extern struct backing_dev_info *blk_get_backing_dev_info(struct block_device *bdev);
extern int blk_rq_map_sg(struct request_queue *, struct request *, struct scatterlist *);
+extern int blk_bio_map_sg(struct request_queue *q, struct bio *bio,
+ struct scatterlist *sglist);
extern void blk_dump_rq_flags(struct request *, char *);
extern long nr_blockdev_pages(void);
--
1.7.10.2
^ permalink raw reply related
* [PATCH RFC 0/2] Improve virtio-blk performance
From: Asias He @ 2012-06-13 7:41 UTC (permalink / raw)
To: kvm, linux-kernel, virtualization
This patchset implements bio-based IO path for virito-blk to improve
performance.
Fio test shows it gives, 28%, 24%, 21%, 16% IOPS boost and 32%, 17%, 21%, 16%
latency improvement for sequential read/write, random read/write respectively.
Asias He (2):
block: Add blk_bio_map_sg() helper
virtio-blk: Add bio-based IO path for virtio-blk
block/blk-merge.c | 63 ++++++++++++++
drivers/block/virtio_blk.c | 203 +++++++++++++++++++++++++++++++++++---------
include/linux/blkdev.h | 2 +
3 files changed, 228 insertions(+), 40 deletions(-)
--
1.7.10.2
^ permalink raw reply
* [vmw_vmci RFCv2 11/11] Apply the header code to make VMCI build
From: Andrew Stiegmann (stieg) @ 2012-06-12 20:44 UTC (permalink / raw)
To: linux-kernel, virtualization, vm-crosstalk
Cc: acking, dtor, gregkh, dsouders, Andrew Stiegmann (stieg), cschamp
In-Reply-To: <1339533870-24187-1-git-send-email-astiegmann@vmware.com>
Adds all the necessary files to enable building of the VMCI module
with the Linux Makefiles and Kconfig systems. Also adds the header
files used for building modules against the driver.
Signed-off-by: Andrew Stiegmann (stieg) <astiegmann@vmware.com>
---
drivers/misc/Kconfig | 1 +
drivers/misc/Makefile | 1 +
drivers/misc/vmw_vmci/Kconfig | 16 +
drivers/misc/vmw_vmci/Makefile | 43 ++
drivers/misc/vmw_vmci/vmci_common_int.h | 58 ++
include/linux/vmw_vmci_api.h | 89 +++
include/linux/vmw_vmci_defs.h | 921 +++++++++++++++++++++++++++++++
7 files changed, 1129 insertions(+), 0 deletions(-)
create mode 100644 drivers/misc/vmw_vmci/Kconfig
create mode 100644 drivers/misc/vmw_vmci/Makefile
create mode 100644 drivers/misc/vmw_vmci/vmci_common_int.h
create mode 100644 include/linux/vmw_vmci_api.h
create mode 100644 include/linux/vmw_vmci_defs.h
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 2661f6e..fe38c7a 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -517,4 +517,5 @@ source "drivers/misc/lis3lv02d/Kconfig"
source "drivers/misc/carma/Kconfig"
source "drivers/misc/altera-stapl/Kconfig"
source "drivers/misc/mei/Kconfig"
+source "drivers/misc/vmw_vmci/Kconfig"
endmenu
diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
index 456972f..af9e413 100644
--- a/drivers/misc/Makefile
+++ b/drivers/misc/Makefile
@@ -51,3 +51,4 @@ obj-y += carma/
obj-$(CONFIG_USB_SWITCH_FSA9480) += fsa9480.o
obj-$(CONFIG_ALTERA_STAPL) +=altera-stapl/
obj-$(CONFIG_INTEL_MEI) += mei/
+obj-y += vmw_vmci/
diff --git a/drivers/misc/vmw_vmci/Kconfig b/drivers/misc/vmw_vmci/Kconfig
new file mode 100644
index 0000000..55015e7
--- /dev/null
+++ b/drivers/misc/vmw_vmci/Kconfig
@@ -0,0 +1,16 @@
+#
+# VMware VMCI device
+#
+
+config VMWARE_VMCI
+ tristate "VMware VMCI Driver"
+ depends on X86
+ help
+ This is VMware's Virtual Machine Communication Interface. It enables
+ high-speed communication between host and guest in a virtual
+ environment via the VMCI virtual device.
+
+ If unsure, say N.
+
+ To compile this driver as a module, choose M here: the
+ module will be called vmw_vmci.
diff --git a/drivers/misc/vmw_vmci/Makefile b/drivers/misc/vmw_vmci/Makefile
new file mode 100644
index 0000000..19755fb
--- /dev/null
+++ b/drivers/misc/vmw_vmci/Makefile
@@ -0,0 +1,43 @@
+################################################################################
+#
+# Linux driver for VMware's VMCI device.
+#
+# Copyright (C) 2007-2012, VMware, Inc. All Rights Reserved.
+#
+# This program is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by the
+# Free Software Foundation; version 2 of the License and no later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+# NON INFRINGEMENT. See the GNU General Public License for more
+# details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# The full GNU General Public License is included in this distribution in
+# the file called "COPYING".
+#
+# Maintained by: Andrew Stiegmann <pv-drivers@vmware.com>
+#
+################################################################################
+
+#
+# Makefile for the VMware VMCI
+#
+
+obj-$(CONFIG_VMWARE_VMCI) += vmw_vmci.o
+
+vmw_vmci-objs += vmci_context.o
+vmw_vmci-objs += vmci_datagram.o
+vmw_vmci-objs += vmci_doorbell.o
+vmw_vmci-objs += vmci_driver.o
+vmw_vmci-objs += vmci_event.o
+vmw_vmci-objs += vmci_handle_array.o
+vmw_vmci-objs += vmci_hash_table.o
+vmw_vmci-objs += vmci_queue_pair.o
+vmw_vmci-objs += vmci_resource.o
+vmw_vmci-objs += vmci_route.o
diff --git a/drivers/misc/vmw_vmci/vmci_common_int.h b/drivers/misc/vmw_vmci/vmci_common_int.h
new file mode 100644
index 0000000..6e82610
--- /dev/null
+++ b/drivers/misc/vmw_vmci/vmci_common_int.h
@@ -0,0 +1,58 @@
+/*
+ * VMware VMCI Driver
+ *
+ * Copyright (C) 2012 VMware, Inc. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation version 2 and no later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _VMCI_COMMONINT_H_
+#define _VMCI_COMMONINT_H_
+
+#include <linux/printk.h>
+#include <linux/vmw_vmci_defs.h>
+
+#include "vmci_handle_array.h"
+
+#define ASSERT(cond) BUG_ON(!(cond))
+
+#define CAN_BLOCK(_f) (!((_f) & VMCI_QPFLAG_NONBLOCK))
+#define QP_PINNED(_f) ((_f) & VMCI_QPFLAG_PINNED)
+
+#define PCI_VENDOR_ID_VMWARE 0x15AD
+#define PCI_DEVICE_ID_VMWARE_VMCI 0x0740
+#define VMCI_DRIVER_VERSION_STRING "9.5.5.0-k"
+#define MODULE_NAME "vmw_vmci"
+
+/* Print magic... whee! */
+#ifdef pr_fmt
+#undef pr_fmt
+#define pr_fmt(fmt) MODULE_NAME ": " fmt
+#endif
+
+/*
+ * Utilility function that checks whether two entities are allowed
+ * to interact. If one of them is restricted, the other one must
+ * be trusted.
+ */
+static inline bool vmci_deny_interaction(uint32_t partOne,
+ uint32_t partTwo)
+{
+ return ((partOne & VMCI_PRIVILEGE_FLAG_RESTRICTED) &&
+ !(partTwo & VMCI_PRIVILEGE_FLAG_TRUSTED)) ||
+ ((partTwo & VMCI_PRIVILEGE_FLAG_RESTRICTED) &&
+ !(partOne & VMCI_PRIVILEGE_FLAG_TRUSTED));
+}
+
+#endif /* _VMCI_COMMONINT_H_ */
diff --git a/include/linux/vmw_vmci_api.h b/include/linux/vmw_vmci_api.h
new file mode 100644
index 0000000..71a4668
--- /dev/null
+++ b/include/linux/vmw_vmci_api.h
@@ -0,0 +1,89 @@
+/*
+ * VMware VMCI Driver
+ *
+ * Copyright (C) 2012 VMware, Inc. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation version 2 and no later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef __VMW_VMCI_API_H__
+#define __VMW_VMCI_API_H__
+
+#include <linux/vmw_vmci_defs.h>
+
+#undef VMCI_KERNEL_API_VERSION
+#define VMCI_KERNEL_API_VERSION_2 2
+#define VMCI_KERNEL_API_VERSION VMCI_KERNEL_API_VERSION_2
+
+typedef void (VMCI_DeviceShutdownFn) (void *deviceRegistration, void *userData);
+
+bool VMCI_DeviceGet(uint32_t *apiVersion,
+ VMCI_DeviceShutdownFn *deviceShutdownCB,
+ void *userData, void **deviceRegistration);
+void VMCI_DeviceRelease(void *deviceRegistration);
+int VMCIDatagram_CreateHnd(uint32_t resourceID, uint32_t flags,
+ VMCIDatagramRecvCB recvCB, void *clientData,
+ struct vmci_handle *outHandle);
+int VMCIDatagram_CreateHndPriv(uint32_t resourceID, uint32_t flags,
+ uint32_t privFlags,
+ VMCIDatagramRecvCB recvCB, void *clientData,
+ struct vmci_handle *outHandle);
+int VMCIDatagram_DestroyHnd(struct vmci_handle handle);
+int VMCIDatagram_Send(struct vmci_dg *msg);
+int VMCIDoorbell_Create(struct vmci_handle *handle, uint32_t flags,
+ uint32_t privFlags,
+ VMCICallback notifyCB, void *clientData);
+int VMCIDoorbell_Destroy(struct vmci_handle handle);
+int VMCIDoorbell_Notify(struct vmci_handle handle, uint32_t privFlags);
+uint32_t VMCI_GetContextID(void);
+uint32_t VMCI_Version(void);
+int VMCI_ContextID2HostVmID(uint32_t contextID, void *hostVmID,
+ size_t hostVmIDLen);
+int VMCI_IsContextOwner(uint32_t contextID, void *hostUser);
+
+int VMCIEvent_Subscribe(uint32_t event, uint32_t flags,
+ VMCI_EventCB callback, void *callbackData,
+ uint32_t *subID);
+int VMCIEvent_Unsubscribe(uint32_t subID);
+uint32_t VMCIContext_GetPrivFlags(uint32_t contextID);
+int VMCIQPair_Alloc(struct vmci_qp **qpair,
+ struct vmci_handle *handle,
+ uint64_t produceQSize,
+ uint64_t consumeQSize,
+ uint32_t peer, uint32_t flags, uint32_t privFlags);
+int VMCIQPair_Detach(struct vmci_qp **qpair);
+int VMCIQPair_GetProduceIndexes(const struct vmci_qp *qpair,
+ uint64_t *producerTail,
+ uint64_t *consumerHead);
+int VMCIQPair_GetConsumeIndexes(const struct vmci_qp *qpair,
+ uint64_t *consumerTail,
+ uint64_t *producerHead);
+int64_t VMCIQPair_ProduceFreeSpace(const struct vmci_qp *qpair);
+int64_t VMCIQPair_ProduceBufReady(const struct vmci_qp *qpair);
+int64_t VMCIQPair_ConsumeFreeSpace(const struct vmci_qp *qpair);
+int64_t VMCIQPair_ConsumeBufReady(const struct vmci_qp *qpair);
+ssize_t VMCIQPair_Enqueue(struct vmci_qp *qpair,
+ const void *buf, size_t bufSize, int mode);
+ssize_t VMCIQPair_Dequeue(struct vmci_qp *qpair,
+ void *buf, size_t bufSize, int mode);
+ssize_t VMCIQPair_Peek(struct vmci_qp *qpair, void *buf, size_t bufSize,
+ int mode);
+ssize_t VMCIQPair_EnqueueV(struct vmci_qp *qpair,
+ void *iov, size_t iovSize, int mode);
+ssize_t VMCIQPair_DequeueV(struct vmci_qp *qpair,
+ void *iov, size_t iovSize, int mode);
+ssize_t VMCIQPair_PeekV(struct vmci_qp *qpair, void *iov, size_t iovSize,
+ int mode);
+
+#endif /* !__VMW_VMCI_API_H__ */
diff --git a/include/linux/vmw_vmci_defs.h b/include/linux/vmw_vmci_defs.h
new file mode 100644
index 0000000..d71d5e0
--- /dev/null
+++ b/include/linux/vmw_vmci_defs.h
@@ -0,0 +1,921 @@
+/*
+ * VMware VMCI Driver
+ *
+ * Copyright (C) 2012 VMware, Inc. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation version 2 and no later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _VMW_VMCI_DEF_H_
+#define _VMW_VMCI_DEF_H_
+
+#include <linux/atomic.h>
+
+/* Register offsets. */
+#define VMCI_STATUS_ADDR 0x00
+#define VMCI_CONTROL_ADDR 0x04
+#define VMCI_ICR_ADDR 0x08
+#define VMCI_IMR_ADDR 0x0c
+#define VMCI_DATA_OUT_ADDR 0x10
+#define VMCI_DATA_IN_ADDR 0x14
+#define VMCI_CAPS_ADDR 0x18
+#define VMCI_RESULT_LOW_ADDR 0x1c
+#define VMCI_RESULT_HIGH_ADDR 0x20
+
+/* Max number of devices. */
+#define VMCI_MAX_DEVICES 1
+
+/* Status register bits. */
+#define VMCI_STATUS_INT_ON 0x1
+
+/* Control register bits. */
+#define VMCI_CONTROL_RESET 0x1
+#define VMCI_CONTROL_INT_ENABLE 0x2
+#define VMCI_CONTROL_INT_DISABLE 0x4
+
+/* Capabilities register bits. */
+#define VMCI_CAPS_HYPERCALL 0x1
+#define VMCI_CAPS_GUESTCALL 0x2
+#define VMCI_CAPS_DATAGRAM 0x4
+#define VMCI_CAPS_NOTIFICATIONS 0x8
+
+/* Interrupt Cause register bits. */
+#define VMCI_ICR_DATAGRAM 0x1
+#define VMCI_ICR_NOTIFICATION 0x2
+
+/* Interrupt Mask register bits. */
+#define VMCI_IMR_DATAGRAM 0x1
+#define VMCI_IMR_NOTIFICATION 0x2
+
+/* Interrupt type. */
+enum {
+ VMCI_INTR_TYPE_INTX = 0,
+ VMCI_INTR_TYPE_MSI = 1,
+ VMCI_INTR_TYPE_MSIX = 2,
+};
+
+/* Maximum MSI/MSI-X interrupt vectors in the device. */
+#define VMCI_MAX_INTRS 2
+
+/*
+ * Supported interrupt vectors. There is one for each ICR value above,
+ * but here they indicate the position in the vector array/message ID.
+ */
+enum {
+ VMCI_INTR_DATAGRAM = 0,
+ VMCI_INTR_NOTIFICATION = 1,
+};
+
+/*
+ * A single VMCI device has an upper limit of 128MB on the amount of
+ * memory that can be used for queue pairs.
+ */
+#define VMCI_MAX_GUEST_QP_MEMORY (128 * 1024 * 1024)
+
+/*
+ * Queues with pre-mapped data pages must be small, so that we don't pin
+ * too much kernel memory (especially on vmkernel). We limit a queuepair to
+ * 32 KB, or 16 KB per queue for symmetrical pairs.
+ */
+#define VMCI_MAX_PINNED_QP_MEMORY (32 * 1024)
+
+/*
+ * We have a fixed set of resource IDs available in the VMX.
+ * This allows us to have a very simple implementation since we statically
+ * know how many will create datagram handles. If a new caller arrives and
+ * we have run out of slots we can manually increment the maximum size of
+ * available resource IDs.
+ *
+ * VMCI reserved hypervisor datagram resource IDs.
+ */
+enum {
+ VMCI_RESOURCES_QUERY = 0,
+ VMCI_GET_CONTEXT_ID = 1,
+ VMCI_SET_NOTIFY_BITMAP = 2,
+ VMCI_DOORBELL_LINK = 3,
+ VMCI_DOORBELL_UNLINK = 4,
+ VMCI_DOORBELL_NOTIFY = 5,
+/*
+ * VMCI_DATAGRAM_REQUEST_MAP and VMCI_DATAGRAM_REMOVE_MAP are
+ * obsoleted by the removal of VM to VM communication.
+ */
+ VMCI_DATAGRAM_REQUEST_MAP = 6,
+ VMCI_DATAGRAM_REMOVE_MAP = 7,
+ VMCI_EVENT_SUBSCRIBE = 8,
+ VMCI_EVENT_UNSUBSCRIBE = 9,
+ VMCI_QUEUEPAIR_ALLOC = 10,
+ VMCI_QUEUEPAIR_DETACH = 11,
+
+/*
+ * VMCI_VSOCK_VMX_LOOKUP was assigned to 12 for Fusion 3.0/3.1,
+ * WS 7.0/7.1 and ESX 4.1
+ */
+ VMCI_HGFS_TRANSPORT = 13,
+ VMCI_UNITY_PBRPC_REGISTER = 14,
+ VMCI_RESOURCE_MAX = 15,
+};
+
+/**
+ * struct vmci_handle - Ownership information structure
+ * @context: The VMX context ID.
+ * @resource: The resource ID (used for locating in resource hash).
+ *
+ * The vmci_handle structure is used to track resources used within
+ * vmw_vmci.
+ */
+struct vmci_handle {
+ uint32_t context;
+ uint32_t resource;
+};
+
+#define VMCI_HANDLE_EQUAL(_h1, _h2) ((_h1).context == (_h2).context && \
+ (_h1).resource == (_h2).resource)
+
+#define VMCI_INVALID_ID ~0
+static const struct vmci_handle VMCI_INVALID_HANDLE = { VMCI_INVALID_ID,
+ VMCI_INVALID_ID
+};
+
+#define VMCI_HANDLE_INVALID(_handle) \
+ VMCI_HANDLE_EQUAL((_handle), VMCI_INVALID_HANDLE)
+
+/*
+ * The below defines can be used to send anonymous requests.
+ * This also indicates that no response is expected.
+ */
+#define VMCI_ANON_SRC_CONTEXT_ID VMCI_INVALID_ID
+#define VMCI_ANON_SRC_RESOURCE_ID VMCI_INVALID_ID
+#define VMCI_ANON_SRC_HANDLE vmci_make_handle(VMCI_ANON_SRC_CONTEXT_ID, \
+ VMCI_ANON_SRC_RESOURCE_ID)
+
+/* The lowest 16 context ids are reserved for internal use. */
+#define VMCI_RESERVED_CID_LIMIT ((uint32_t) 16)
+
+/*
+ * Hypervisor context id, used for calling into hypervisor
+ * supplied services from the VM.
+ */
+#define VMCI_HYPERVISOR_CONTEXT_ID 0
+
+/*
+ * Well-known context id, a logical context that contains a set of
+ * well-known services. This context ID is now obsolete.
+ */
+#define VMCI_WELL_KNOWN_CONTEXT_ID 1
+
+/*
+ * Context ID used by host endpoints.
+ */
+#define VMCI_HOST_CONTEXT_ID 2
+
+#define VMCI_CONTEXT_IS_VM(_cid) (VMCI_INVALID_ID != (_cid) && \
+ (_cid) > VMCI_HOST_CONTEXT_ID)
+
+/*
+ * The VMCI_CONTEXT_RESOURCE_ID is used together with vmci_make_handle to make
+ * handles that refer to a specific context.
+ */
+#define VMCI_CONTEXT_RESOURCE_ID 0
+
+/*
+ * VMCI error codes.
+ */
+enum {
+ VMCI_SUCCESS_QUEUEPAIR_ATTACH = 5,
+ VMCI_SUCCESS_QUEUEPAIR_CREATE = 4,
+ VMCI_SUCCESS_LAST_DETACH = 3,
+ VMCI_SUCCESS_ACCESS_GRANTED = 2,
+ VMCI_SUCCESS_ENTRY_DEAD = 1,
+ VMCI_SUCCESS = 0,
+ VMCI_ERROR_INVALID_RESOURCE = (-1),
+ VMCI_ERROR_INVALID_ARGS = (-2),
+ VMCI_ERROR_NO_MEM = (-3),
+ VMCI_ERROR_DATAGRAM_FAILED = (-4),
+ VMCI_ERROR_MORE_DATA = (-5),
+ VMCI_ERROR_NO_MORE_DATAGRAMS = (-6),
+ VMCI_ERROR_NO_ACCESS = (-7),
+ VMCI_ERROR_NO_HANDLE = (-8),
+ VMCI_ERROR_DUPLICATE_ENTRY = (-9),
+ VMCI_ERROR_DST_UNREACHABLE = (-10),
+ VMCI_ERROR_PAYLOAD_TOO_LARGE = (-11),
+ VMCI_ERROR_INVALID_PRIV = (-12),
+ VMCI_ERROR_GENERIC = (-13),
+ VMCI_ERROR_PAGE_ALREADY_SHARED = (-14),
+ VMCI_ERROR_CANNOT_SHARE_PAGE = (-15),
+ VMCI_ERROR_CANNOT_UNSHARE_PAGE = (-16),
+ VMCI_ERROR_NO_PROCESS = (-17),
+ VMCI_ERROR_NO_DATAGRAM = (-18),
+ VMCI_ERROR_NO_RESOURCES = (-19),
+ VMCI_ERROR_UNAVAILABLE = (-20),
+ VMCI_ERROR_NOT_FOUND = (-21),
+ VMCI_ERROR_ALREADY_EXISTS = (-22),
+ VMCI_ERROR_NOT_PAGE_ALIGNED = (-23),
+ VMCI_ERROR_INVALID_SIZE = (-24),
+ VMCI_ERROR_REGION_ALREADY_SHARED = (-25),
+ VMCI_ERROR_TIMEOUT = (-26),
+ VMCI_ERROR_DATAGRAM_INCOMPLETE = (-27),
+ VMCI_ERROR_INCORRECT_IRQL = (-28),
+ VMCI_ERROR_EVENT_UNKNOWN = (-29),
+ VMCI_ERROR_OBSOLETE = (-30),
+ VMCI_ERROR_QUEUEPAIR_MISMATCH = (-31),
+ VMCI_ERROR_QUEUEPAIR_NOTSET = (-32),
+ VMCI_ERROR_QUEUEPAIR_NOTOWNER = (-33),
+ VMCI_ERROR_QUEUEPAIR_NOTATTACHED = (-34),
+ VMCI_ERROR_QUEUEPAIR_NOSPACE = (-35),
+ VMCI_ERROR_QUEUEPAIR_NODATA = (-36),
+ VMCI_ERROR_BUSMEM_INVALIDATION = (-37),
+ VMCI_ERROR_MODULE_NOT_LOADED = (-38),
+ VMCI_ERROR_DEVICE_NOT_FOUND = (-39),
+ VMCI_ERROR_QUEUEPAIR_NOT_READY = (-40),
+ VMCI_ERROR_WOULD_BLOCK = (-41),
+
+ /* VMCI clients should return error code within this range */
+ VMCI_ERROR_CLIENT_MIN = (-500),
+ VMCI_ERROR_CLIENT_MAX = (-550),
+
+ /* Internal error codes. */
+ VMCI_SHAREDMEM_ERROR_BAD_CONTEXT = (-1000),
+};
+
+/* VMCI reserved events. */
+enum {
+ /* Only applicable to guest endpoints */
+ VMCI_EVENT_CTX_ID_UPDATE = 0,
+
+ /* Applicable to guest and host */
+ VMCI_EVENT_CTX_REMOVED = 1,
+
+ /* Only applicable to guest endpoints */
+ VMCI_EVENT_QP_RESUMED = 2,
+
+ /* Applicable to guest and host */
+ VMCI_EVENT_QP_PEER_ATTACH = 3,
+
+ /* Applicable to guest and host */
+ VMCI_EVENT_QP_PEER_DETACH = 4,
+
+ /*
+ * Applicable to VMX and vmk. On vmk,
+ * this event has the Context payload type.
+ */
+ VMCI_EVENT_MEM_ACCESS_ON = 5,
+
+ /*
+ * Applicable to VMX and vmk. Same as
+ * above for the payload type.
+ */
+ VMCI_EVENT_MEM_ACCESS_OFF = 6,
+ VMCI_EVENT_MAX = 7,
+};
+
+/*
+ * Of the above events, a few are reserved for use in the VMX, and
+ * other endpoints (guest and host kernel) should not use them. For
+ * the rest of the events, we allow both host and guest endpoints to
+ * subscribe to them, to maintain the same API for host and guest
+ * endpoints.
+ */
+#define VMCI_EVENT_VALID_VMX(_event) ((_event) == VMCI_EVENT_MEM_ACCESS_ON || \
+ (_event) == VMCI_EVENT_MEM_ACCESS_OFF)
+
+#define VMCI_EVENT_VALID(_event) ((_event) < VMCI_EVENT_MAX && \
+ !VMCI_EVENT_VALID_VMX(_event))
+
+/* Reserved guest datagram resource ids. */
+#define VMCI_EVENT_HANDLER 0
+
+/*
+ * VMCI coarse-grained privileges (per context or host
+ * process/endpoint. An entity with the restricted flag is only
+ * allowed to interact with the hypervisor and trusted entities.
+ */
+enum {
+ VMCI_NO_PRIVILEGE_FLAGS = 0,
+ VMCI_PRIVILEGE_FLAG_RESTRICTED = 1,
+ VMCI_PRIVILEGE_FLAG_TRUSTED = 2,
+ VMCI_PRIVILEGE_ALL_FLAGS = (VMCI_PRIVILEGE_FLAG_RESTRICTED |
+ VMCI_PRIVILEGE_FLAG_TRUSTED),
+ VMCI_DEFAULT_PROC_PRIVILEGE_FLAGS = VMCI_NO_PRIVILEGE_FLAGS,
+ VMCI_LEAST_PRIVILEGE_FLAGS = VMCI_PRIVILEGE_FLAG_RESTRICTED,
+ VMCI_MAX_PRIVILEGE_FLAGS = VMCI_PRIVILEGE_FLAG_TRUSTED,
+};
+
+/* 0 through VMCI_RESERVED_RESOURCE_ID_MAX are reserved. */
+#define VMCI_RESERVED_RESOURCE_ID_MAX 1023
+
+/*
+ * Driver version.
+ *
+ * Increment major version when you make an incompatible change.
+ * Compatibility goes both ways (old driver with new executable
+ * as well as new driver with old executable).
+ */
+
+/* Never change VMCI_VERSION_SHIFT_WIDTH */
+#define VMCI_VERSION_SHIFT_WIDTH 16
+#define VMCI_MAKE_VERSION(_major, _minor) \
+ ((_major) << VMCI_VERSION_SHIFT_WIDTH | (uint16_t) (_minor))
+
+#define VMCI_VERSION_MAJOR(v) ((uint32) (v) >> VMCI_VERSION_SHIFT_WIDTH)
+#define VMCI_VERSION_MINOR(v) ((uint16_t) (v))
+
+/*
+ * VMCI_VERSION is always the current version. Subsequently listed
+ * versions are ways of detecting previous versions of the connecting
+ * application (i.e., VMX).
+ *
+ * VMCI_VERSION_NOVMVM: This version removed support for VM to VM
+ * communication.
+ *
+ * VMCI_VERSION_NOTIFY: This version introduced doorbell notification
+ * support.
+ *
+ * VMCI_VERSION_HOSTQP: This version introduced host end point support
+ * for hosted products.
+ *
+ * VMCI_VERSION_PREHOSTQP: This is the version prior to the adoption of
+ * support for host end-points.
+ *
+ * VMCI_VERSION_PREVERS2: This fictional version number is intended to
+ * represent the version of a VMX which doesn't call into the driver
+ * with ioctl VERSION2 and thus doesn't establish its version with the
+ * driver.
+ */
+
+#define VMCI_VERSION VMCI_VERSION_NOVMVM
+#define VMCI_VERSION_NOVMVM VMCI_MAKE_VERSION(11, 0)
+#define VMCI_VERSION_NOTIFY VMCI_MAKE_VERSION(10, 0)
+#define VMCI_VERSION_HOSTQP VMCI_MAKE_VERSION(9, 0)
+#define VMCI_VERSION_PREHOSTQP VMCI_MAKE_VERSION(8, 0)
+#define VMCI_VERSION_PREVERS2 VMCI_MAKE_VERSION(1, 0)
+
+/*
+ * Linux defines _IO* macros, but the core kernel code ignore the encoded
+ * ioctl value. It is up to individual drivers to decode the value (for
+ * example to look at the size of a structure to determine which version
+ * of a specific command should be used) or not (which is what we
+ * currently do, so right now the ioctl value for a given command is the
+ * command itself).
+ *
+ * Hence, we just define the IOCTL_VMCI_foo values directly, with no
+ * intermediate IOCTLCMD_ representation.
+ */
+# define IOCTLCMD(_cmd) IOCTL_VMCI_ ## _cmd
+
+enum {
+ /*
+ * We need to bracket the range of values used for ioctls,
+ * because x86_64 Linux forces us to explicitly register ioctl
+ * handlers by value for handling 32 bit ioctl syscalls.
+ * Hence FIRST and LAST. Pick something for FIRST that
+ * doesn't collide with vmmon (2001+).
+ */
+ IOCTLCMD(FIRST) = 1951,
+ IOCTLCMD(VERSION) = IOCTLCMD(FIRST),
+
+ /* BEGIN VMCI */
+ IOCTLCMD(INIT_CONTEXT),
+
+ /*
+ * The following two were used for process and datagram
+ * process creation. They are not used anymore and reserved
+ * for future use. They will fail if issued.
+ */
+ IOCTLCMD(RESERVED1),
+ IOCTLCMD(RESERVED2),
+
+ /*
+ * The following used to be for shared memory. It is now
+ * unused and and is reserved for future use. It will fail if
+ * issued.
+ */
+ IOCTLCMD(RESERVED3),
+
+ /*
+ * The follwoing three were also used to be for shared
+ * memory. An old WS6 user-mode client might try to use them
+ * with the new driver, but since we ensure that only contexts
+ * created by VMX'en of the appropriate version
+ * (VMCI_VERSION_NOTIFY or VMCI_VERSION_NEWQP) or higher use
+ * these ioctl, everything is fine.
+ */
+ IOCTLCMD(QUEUEPAIR_SETVA),
+ IOCTLCMD(NOTIFY_RESOURCE),
+ IOCTLCMD(NOTIFICATIONS_RECEIVE),
+ IOCTLCMD(VERSION2),
+ IOCTLCMD(QUEUEPAIR_ALLOC),
+ IOCTLCMD(QUEUEPAIR_SETPAGEFILE),
+ IOCTLCMD(QUEUEPAIR_DETACH),
+ IOCTLCMD(DATAGRAM_SEND),
+ IOCTLCMD(DATAGRAM_RECEIVE),
+ IOCTLCMD(DATAGRAM_REQUEST_MAP),
+ IOCTLCMD(DATAGRAM_REMOVE_MAP),
+ IOCTLCMD(CTX_ADD_NOTIFICATION),
+ IOCTLCMD(CTX_REMOVE_NOTIFICATION),
+ IOCTLCMD(CTX_GET_CPT_STATE),
+ IOCTLCMD(CTX_SET_CPT_STATE),
+ IOCTLCMD(GET_CONTEXT_ID),
+ IOCTLCMD(LAST),
+ /* END VMCI */
+
+ /*
+ * VMCI Socket IOCTLS are defined next and go from
+ * IOCTLCMD(LAST) (1972) to 1990. VMware reserves a range of
+ * 4 ioctls for VMCI Sockets to grow. We cannot reserve many
+ * ioctls here since we are close to overlapping with vmmon
+ * ioctls (2001+). Define a meta-ioctl if running out of this
+ * binary space.
+ */
+ IOCTLCMD(SOCKETS_LAST) = 1994, /* 1994 on Linux. */
+
+ /*
+ * The VSockets ioctls occupy the block above. We define a
+ * new range of VMCI ioctls to maintain binary compatibility
+ * between the user land and the kernel driver. Careful,
+ * vmmon ioctls start from 2001, so this means we can add only
+ * 4 new VMCI ioctls. Define a meta-ioctl if running out of
+ * this binary space.
+ */
+ IOCTLCMD(FIRST2),
+ IOCTLCMD(SET_NOTIFY) = IOCTLCMD(FIRST2), /* 1995 on Linux. */
+ IOCTLCMD(LAST2),
+};
+
+/* Clean up helper macros */
+#undef IOCTLCMD
+
+/*
+ * struct vmci_queue_header - VMCI Queue Header information.
+ *
+ * A Queue cannot stand by itself as designed. Each Queue's header
+ * contains a pointer into itself (the producerTail) and into its peer
+ * (consumerHead). The reason for the separation is one of
+ * accessibility: Each end-point can modify two things: where the next
+ * location to enqueue is within its produceQ (producerTail); and
+ * where the next dequeue location is in its consumeQ (consumerHead).
+ *
+ * An end-point cannot modify the pointers of its peer (guest to
+ * guest; NOTE that in the host both queue headers are mapped r/w).
+ * But, each end-point needs read access to both Queue header
+ * structures in order to determine how much space is used (or left)
+ * in the Queue. This is because for an end-point to know how full
+ * its produceQ is, it needs to use the consumerHead that points into
+ * the produceQ but -that- consumerHead is in the Queue header for
+ * that end-points consumeQ.
+ *
+ * Thoroughly confused? Sorry.
+ *
+ * producerTail: the point to enqueue new entrants. When you approach
+ * a line in a store, for example, you walk up to the tail.
+ *
+ * consumerHead: the point in the queue from which the next element is
+ * dequeued. In other words, who is next in line is he who is at the
+ * head of the line.
+ *
+ * Also, producerTail points to an empty byte in the Queue, whereas
+ * consumerHead points to a valid byte of data (unless producerTail ==
+ * consumerHead in which case consumerHead does not point to a valid
+ * byte of data).
+ *
+ * For a queue of buffer 'size' bytes, the tail and head pointers will be in
+ * the range [0, size-1].
+ *
+ * If produceQHeader->producerTail == consumeQHeader->consumerHead
+ * then the produceQ is empty.
+ */
+struct vmci_queue_header {
+ /* All fields are 64bit and aligned. */
+ struct vmci_handle handle; /* Identifier. */
+ atomic64_t producerTail; /* Offset in this queue. */
+ atomic64_t consumerHead; /* Offset in peer queue. */
+};
+
+/**
+ * struct vmci_dg - Base struct for vmci datagrams.
+ * @dst: A vmci_handle that tracks the destination of the datagram.
+ * @src: A vmci_handle that tracks the source of the datagram.
+ * @payloadSize: The size of the payload.
+ *
+ * vmci_dg structs are used when sending vmci datagrams. They include
+ * the necessary source and destination information to properly route
+ * the information along with the size of the package.
+ */
+struct vmci_dg {
+ struct vmci_handle dst;
+ struct vmci_handle src;
+ uint64_t payloadSize;
+};
+
+/*
+ * Second flag is for creating a well-known handle instead of a per context
+ * handle. Next flag is for deferring datagram delivery, so that the
+ * datagram callback is invoked in a delayed context (not interrupt context).
+ */
+#define VMCI_FLAG_DG_NONE 0
+#define VMCI_FLAG_WELLKNOWN_DG_HND 0x1
+#define VMCI_FLAG_ANYCID_DG_HND 0x2
+#define VMCI_FLAG_DG_DELAYED_CB 0x4
+
+/* Event callback should fire in a delayed context (not interrupt context.) */
+#define VMCI_FLAG_EVENT_NONE 0
+#define VMCI_FLAG_EVENT_DELAYED_CB 0x1
+
+/*
+ * Maximum supported size of a VMCI datagram for routable datagrams.
+ * Datagrams going to the hypervisor are allowed to be larger.
+ */
+#define VMCI_MAX_DG_SIZE (17 * 4096)
+#define VMCI_MAX_DG_PAYLOAD_SIZE (VMCI_MAX_DG_SIZE - sizeof(struct vmci_dg))
+#define VMCI_DG_PAYLOAD(_dg) (void *)((char *)(_dg) + sizeof(struct vmci_dg))
+#define VMCI_DG_HEADERSIZE sizeof(struct vmci_dg)
+#define VMCI_DG_SIZE(_dg) (VMCI_DG_HEADERSIZE + (size_t)(_dg)->payloadSize)
+#define VMCI_DG_SIZE_ALIGNED(_dg) ((VMCI_DG_SIZE(_dg) + 7) & (~((size_t) 0x7)))
+#define VMCI_MAX_DATAGRAM_QUEUE_SIZE (VMCI_MAX_DG_SIZE * 2)
+
+/* Flags for VMCI QueuePair API. */
+enum {
+ /* Fail alloc if QP not created by peer. */
+ VMCI_QPFLAG_ATTACH_ONLY = 1 << 0,
+
+ /* Only allow attaches from local context. */
+ VMCI_QPFLAG_LOCAL = 1 << 1,
+
+ /* Host won't block when guest is quiesced. */
+ VMCI_QPFLAG_NONBLOCK = 1 << 2,
+
+ /* Pin data pages in ESX. Used with NONBLOCK */
+ VMCI_QPFLAG_PINNED = 1 << 3,
+
+ /* Update the following flag when adding new flags. */
+ VMCI_QP_ALL_FLAGS = (VMCI_QPFLAG_ATTACH_ONLY | VMCI_QPFLAG_LOCAL |
+ VMCI_QPFLAG_NONBLOCK | VMCI_QPFLAG_PINNED),
+
+ /* Convenience flags */
+ VMCI_QP_ASYMM = (VMCI_QPFLAG_NONBLOCK | VMCI_QPFLAG_PINNED),
+ VMCI_QP_ASYMM_PEER = (VMCI_QPFLAG_ATTACH_ONLY | VMCI_QP_ASYMM),
+};
+
+/*
+ * We allow at least 1024 more event datagrams from the hypervisor past the
+ * normally allowed datagrams pending for a given context. We define this
+ * limit on event datagrams from the hypervisor to guard against DoS attack
+ * from a malicious VM which could repeatedly attach to and detach from a queue
+ * pair, causing events to be queued at the destination VM. However, the rate
+ * at which such events can be generated is small since it requires a VM exit
+ * and handling of queue pair attach/detach call at the hypervisor. Event
+ * datagrams may be queued up at the destination VM if it has interrupts
+ * disabled or if it is not draining events for some other reason. 1024
+ * datagrams is a grossly conservative estimate of the time for which
+ * interrupts may be disabled in the destination VM, but at the same time does
+ * not exacerbate the memory pressure problem on the host by much (size of each
+ * event datagram is small).
+ */
+#define VMCI_MAX_DATAGRAM_AND_EVENT_QUEUE_SIZE \
+ (VMCI_MAX_DATAGRAM_QUEUE_SIZE + \
+ 1024 * (sizeof(struct vmci_dg) + sizeof(struct vmci_event_data_max)))
+
+/*
+ * Struct used for querying, via VMCI_RESOURCES_QUERY, the availability of
+ * hypervisor resources. Struct size is 16 bytes. All fields in struct are
+ * aligned to their natural alignment.
+ */
+struct vmci_resource_query_hdr {
+ struct vmci_dg hdr;
+ uint32_t numResources;
+ uint32_t _padding;
+};
+
+/*
+ * Convenience struct for negotiating vectors. Must match layout of
+ * VMCIResourceQueryHdr minus the struct vmci_dg header.
+ */
+struct vmci_resource_query_msg {
+ uint32_t numResources;
+ uint32_t _padding;
+ uint32_t resources[1];
+};
+
+/*
+ * The maximum number of resources that can be queried using
+ * VMCI_RESOURCE_QUERY is 31, as the result is encoded in the lower 31
+ * bits of a positive return value. Negative values are reserved for
+ * errors.
+ */
+#define VMCI_RESOURCE_QUERY_MAX_NUM 31
+
+/* Maximum size for the VMCI_RESOURCE_QUERY request. */
+#define VMCI_RESOURCE_QUERY_MAX_SIZE \
+ (sizeof(struct vmci_resource_query_hdr) + \
+ sizeof(uint32_t) * VMCI_RESOURCE_QUERY_MAX_NUM)
+
+/*
+ * Struct used for setting the notification bitmap. All fields in
+ * struct are aligned to their natural alignment.
+ */
+struct vmci_notify_bm_set_msg {
+ struct vmci_dg hdr;
+ uint32_t bitmapPPN;
+ uint32_t _pad;
+};
+
+/*
+ * Struct used for linking a doorbell handle with an index in the
+ * notify bitmap. All fields in struct are aligned to their natural
+ * alignment.
+ */
+struct vmci_doorbell_link_msg {
+ struct vmci_dg hdr;
+ struct vmci_handle handle;
+ uint64_t notifyIdx;
+};
+
+/*
+ * Struct used for unlinking a doorbell handle from an index in the
+ * notify bitmap. All fields in struct are aligned to their natural
+ * alignment.
+ */
+struct vmci_doorbell_unlink_msg {
+ struct vmci_dg hdr;
+ struct vmci_handle handle;
+};
+
+/*
+ * Struct used for generating a notification on a doorbell handle. All
+ * fields in struct are aligned to their natural alignment.
+ */
+struct vmci_doorbell_ntfy_msg {
+ struct vmci_dg hdr;
+ struct vmci_handle handle;
+};
+
+/*
+ * This struct is used to contain data for events. Size of this struct is a
+ * multiple of 8 bytes, and all fields are aligned to their natural alignment.
+ */
+struct vmci_event_data {
+ uint32_t event; /* 4 bytes. */
+ uint32_t _pad;
+ /* Event payload is put here. */
+};
+
+
+/*
+ * Define the different VMCI_EVENT payload data types here. All structs must
+ * be a multiple of 8 bytes, and fields must be aligned to their natural
+ * alignment.
+ */
+struct vmci_event_payld_ctx {
+ uint32_t contextID; /* 4 bytes. */
+ uint32_t _pad;
+};
+
+struct vmci_event_payld_qp {
+ struct vmci_handle handle; /* QueuePair handle. */
+ uint32_t peerId; /* Context id of attaching/detaching VM. */
+ uint32_t _pad;
+};
+
+/*
+ * We define the following struct to get the size of the maximum event
+ * data the hypervisor may send to the guest. If adding a new event
+ * payload type above, add it to the following struct too (inside the
+ * union).
+ */
+struct vmci_event_data_max {
+ struct vmci_event_data eventData;
+ union {
+ struct vmci_event_payld_ctx contextPayload;
+ struct vmci_event_payld_qp qpPayload;
+ } evDataPayload;
+};
+
+/*
+ * Struct used for VMCI_EVENT_SUBSCRIBE/UNSUBSCRIBE and
+ * VMCI_EVENT_HANDLER messages. Struct size is 32 bytes. All fields
+ * in struct are aligned to their natural alignment.
+ */
+struct vmci_event_msg {
+ struct vmci_dg hdr;
+
+ /* Has event type and payload. */
+ struct vmci_event_data eventData;
+
+ /* Payload gets put here. */
+};
+
+/*
+ * Structs used for QueuePair alloc and detach messages. We align fields of
+ * these structs to 64bit boundaries.
+ */
+struct vmci_qp_alloc_msg {
+ struct vmci_dg hdr;
+ struct vmci_handle handle;
+ uint32_t peer;
+ uint32_t flags;
+ uint64_t produceSize;
+ uint64_t consumeSize;
+ uint64_t numPPNs;
+
+ /* List of PPNs placed here. */
+};
+
+struct vmci_qp_detach_msg {
+ struct vmci_dg hdr;
+ struct vmci_handle handle;
+};
+
+/* VMCI Doorbell API. */
+#define VMCI_FLAG_DELAYED_CB 0x01
+
+typedef void (*VMCICallback) (void *clientData);
+
+/**
+ * struct vmci_qp - A vmw_vmci queue pair handle.
+ *
+ * This structure is used as a handle to a queue pair created by
+ * VMCI. It is intentionally left opaque to clients.
+ */
+struct vmci_qp;
+
+/* Callback needed for correctly waiting on events. */
+typedef int (*VMCIDatagramRecvCB) (void *clientData,
+ struct vmci_dg *msg);
+
+/* VMCI Event API. */
+typedef void (*VMCI_EventCB) (uint32_t subID, struct vmci_event_data *ed,
+ void *clientData);
+
+/*
+ * We use the following inline function to access the payload data
+ * associated with an event data.
+ */
+static inline void *vmci_event_data_payload(struct vmci_event_data *evData)
+{
+ return (void *)((char *)evData + sizeof *evData);
+}
+
+/*
+ * Helper to add a given offset to a head or tail pointer. Wraps the
+ * value of the pointer around the max size of the queue.
+ */
+static inline void vmci_qp_add_pointer(atomic64_t *var,
+ size_t add,
+ uint64_t size)
+{
+ uint64_t newVal = atomic64_read(var);
+
+ if (newVal >= size - add)
+ newVal -= size;
+
+ newVal += add;
+
+ atomic64_set(var, newVal);
+}
+
+/*
+ * Helper routine to get the Producer Tail from the supplied queue.
+ */
+static inline uint64_t
+vmci_q_header_producer_tail(const struct vmci_queue_header *qHeader)
+{
+ struct vmci_queue_header *qh = (struct vmci_queue_header *)qHeader;
+ return atomic64_read(&qh->producerTail);
+}
+
+/*
+ * Helper routine to get the Consumer Head from the supplied queue.
+ */
+static inline uint64_t
+vmci_q_header_consumer_head(const struct vmci_queue_header *qHeader)
+{
+ struct vmci_queue_header *qh = (struct vmci_queue_header *)qHeader;
+ return atomic64_read(&qh->consumerHead);
+}
+
+/*
+ * Helper routine to increment the Producer Tail. Fundamentally,
+ * vmci_qp_add_pointer() is used to manipulate the tail itself.
+ */
+static inline void
+vmci_q_header_add_producer_tail(struct vmci_queue_header *qHeader,
+ size_t add,
+ uint64_t queueSize)
+{
+ vmci_qp_add_pointer(&qHeader->producerTail, add, queueSize);
+}
+
+/*
+ * Helper routine to increment the Consumer Head. Fundamentally,
+ * vmci_qp_add_pointer() is used to manipulate the head itself.
+ */
+static inline void
+vmci_q_header_add_consumer_head(struct vmci_queue_header *qHeader,
+ size_t add,
+ uint64_t queueSize)
+{
+ vmci_qp_add_pointer(&qHeader->consumerHead, add, queueSize);
+}
+
+/*
+ * Helper routine for getting the head and the tail pointer for a queue.
+ * Both the VMCIQueues are needed to get both the pointers for one queue.
+ */
+static inline void
+vmci_q_header_get_pointers(const struct vmci_queue_header *produceQHeader,
+ const struct vmci_queue_header *consumeQHeader,
+ uint64_t *producerTail,
+ uint64_t *consumerHead)
+{
+ if (producerTail)
+ *producerTail = vmci_q_header_producer_tail(produceQHeader);
+
+ if (consumerHead)
+ *consumerHead = vmci_q_header_consumer_head(consumeQHeader);
+}
+
+static inline void vmci_q_header_init(struct vmci_queue_header *qHeader,
+ const struct vmci_handle handle)
+{
+ qHeader->handle = handle;
+ atomic64_set(&qHeader->producerTail, 0);
+ atomic64_set(&qHeader->consumerHead, 0);
+}
+
+/*
+ * Finds available free space in a produce queue to enqueue more
+ * data or reports an error if queue pair corruption is detected.
+ */
+static int64_t
+vmci_q_header_free_space(const struct vmci_queue_header *produceQHeader,
+ const struct vmci_queue_header *consumeQHeader,
+ const uint64_t produceQSize)
+{
+ uint64_t tail;
+ uint64_t head;
+ uint64_t freeSpace;
+
+ tail = vmci_q_header_producer_tail(produceQHeader);
+ head = vmci_q_header_consumer_head(consumeQHeader);
+
+ if (tail >= produceQSize || head >= produceQSize)
+ return VMCI_ERROR_INVALID_SIZE;
+
+ /*
+ * Deduct 1 to avoid tail becoming equal to head which causes
+ * ambiguity. If head and tail are equal it means that the
+ * queue is empty.
+ */
+ if (tail >= head)
+ freeSpace = produceQSize - (tail - head) - 1;
+ else
+ freeSpace = head - tail - 1;
+
+ return freeSpace;
+}
+
+/*
+ * vmci_q_header_free_space() does all the heavy lifting of
+ * determing the number of free bytes in a Queue. This routine,
+ * then subtracts that size from the full size of the Queue so
+ * the caller knows how many bytes are ready to be dequeued.
+ * Results:
+ * On success, available data size in bytes (up to MAX_INT64).
+ * On failure, appropriate error code.
+ */
+static inline int64_t
+vmci_q_header_buf_ready(const struct vmci_queue_header *consumeQHeader,
+ const struct vmci_queue_header *produceQHeader,
+ const uint64_t consumeQSize)
+{
+ int64_t freeSpace;
+
+ freeSpace = vmci_q_header_free_space(consumeQHeader,
+ produceQHeader, consumeQSize);
+ if (freeSpace < VMCI_SUCCESS)
+ return freeSpace;
+
+ return consumeQSize - freeSpace - 1;
+}
+
+static inline struct vmci_handle vmci_make_handle(uint32_t cid, uint32_t rid)
+{
+ struct vmci_handle h;
+
+ h.context = cid;
+ h.resource = rid;
+
+ return h;
+}
+
+#endif /* _VMW_VMCI_DEF_H_ */
--
1.7.0.4
^ permalink raw reply related
* [vmw_vmci RFCv2 10/11] Apply vmci routing code
From: Andrew Stiegmann (stieg) @ 2012-06-12 20:44 UTC (permalink / raw)
To: linux-kernel, virtualization, vm-crosstalk
Cc: acking, dtor, gregkh, dsouders, Andrew Stiegmann (stieg), cschamp
In-Reply-To: <1339533870-24187-1-git-send-email-astiegmann@vmware.com>
This code is responsible for routing between various hosts/guests as
well as routing in nested scenarios.
Signed-off-by: Andrew Stiegmann (stieg) <astiegmann@vmware.com>
---
drivers/misc/vmw_vmci/vmci_route.c | 241 ++++++++++++++++++++++++++++++++++++
drivers/misc/vmw_vmci/vmci_route.h | 34 +++++
2 files changed, 275 insertions(+), 0 deletions(-)
create mode 100644 drivers/misc/vmw_vmci/vmci_route.c
create mode 100644 drivers/misc/vmw_vmci/vmci_route.h
diff --git a/drivers/misc/vmw_vmci/vmci_route.c b/drivers/misc/vmw_vmci/vmci_route.c
new file mode 100644
index 0000000..b9c301d
--- /dev/null
+++ b/drivers/misc/vmw_vmci/vmci_route.c
@@ -0,0 +1,241 @@
+/*
+ * VMware VMCI Driver
+ *
+ * Copyright (C) 2012 VMware, Inc. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation version 2 and no later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/vmw_vmci_api.h>
+#include <linux/vmw_vmci_defs.h>
+
+#include "vmci_common_int.h"
+#include "vmci_context.h"
+#include "vmci_driver.h"
+#include "vmci_route.h"
+
+/*
+ * Make a routing decision for the given source and destination handles.
+ * This will try to determine the route using the handles and the available
+ * devices. Will set the source context if it is invalid.
+ */
+int vmci_route(struct vmci_handle *src,
+ const struct vmci_handle *dst,
+ bool fromGuest,
+ enum vmci_route *route)
+{
+ bool hasHostDevice = vmci_host_code_active();
+ bool hasGuestDevice = vmci_guest_code_active();
+
+ ASSERT(src);
+ ASSERT(dst);
+ ASSERT(route);
+
+ *route = VMCI_ROUTE_NONE;
+
+ /*
+ * "fromGuest" is only ever set to true by
+ * IOCTL_VMCI_DATAGRAM_SEND (or by the vmkernel equivalent),
+ * which comes from the VMX, so we know it is coming from a
+ * guest.
+ *
+ * To avoid inconsistencies, test these once. We will test
+ * them again when we do the actual send to ensure that we do
+ * not touch a non-existent device.
+ */
+
+ /* Must have a valid destination context. */
+ if (VMCI_INVALID_ID == dst->context)
+ return VMCI_ERROR_INVALID_ARGS;
+
+ /* Anywhere to hypervisor. */
+ if (VMCI_HYPERVISOR_CONTEXT_ID == dst->context) {
+
+ /*
+ * If this message already came from a guest then we
+ * cannot send it to the hypervisor. It must come
+ * from a local client.
+ */
+ if (fromGuest)
+ return VMCI_ERROR_DST_UNREACHABLE;
+
+ /*
+ * We must be acting as a guest in order to send to
+ * the hypervisor.
+ */
+ if (!hasGuestDevice)
+ return VMCI_ERROR_DEVICE_NOT_FOUND;
+
+ /* And we cannot send if the source is the host context. */
+ if (VMCI_HOST_CONTEXT_ID == src->context)
+ return VMCI_ERROR_INVALID_ARGS;
+
+ /*
+ * If the client passed the ANON source handle then
+ * respect it (both context and resource are invalid).
+ * However, if they passed only an invalid context,
+ * then they probably mean ANY, in which case we
+ * should set the real context here before passing it
+ * down.
+ */
+ if (VMCI_INVALID_ID == src->context &&
+ VMCI_INVALID_ID != src->resource)
+ src->context = VMCI_GetContextID();
+
+ /* Send from local client down to the hypervisor. */
+ *route = VMCI_ROUTE_AS_GUEST;
+ return VMCI_SUCCESS;
+ }
+
+ /* Anywhere to local client on host. */
+ if (VMCI_HOST_CONTEXT_ID == dst->context) {
+ /*
+ * If it is not from a guest but we are acting as a
+ * guest, then we need to send it down to the host.
+ * Note that if we are also acting as a host then this
+ * will prevent us from sending from local client to
+ * local client, but we accept that restriction as a
+ * way to remove any ambiguity from the host context.
+ */
+ if (src->context == VMCI_HYPERVISOR_CONTEXT_ID) {
+ /*
+ * If the hypervisor is the source, this is
+ * host local communication. The hypervisor
+ * may send vmci event datagrams to the host
+ * itself, but it will never send datagrams to
+ * an "outer host" through the guest device.
+ */
+
+ if (hasHostDevice) {
+ *route = VMCI_ROUTE_AS_HOST;
+ return VMCI_SUCCESS;
+ } else {
+ return VMCI_ERROR_DEVICE_NOT_FOUND;
+ }
+ }
+
+ if (!fromGuest && hasGuestDevice) {
+ /* If no source context then use the current. */
+ if (VMCI_INVALID_ID == src->context)
+ src->context = VMCI_GetContextID();
+
+ /* Send it from local client down to the host. */
+ *route = VMCI_ROUTE_AS_GUEST;
+ return VMCI_SUCCESS;
+ }
+
+ /*
+ * Otherwise we already received it from a guest and
+ * it is destined for a local client on this host, or
+ * it is from another local client on this host. We
+ * must be acting as a host to service it.
+ */
+ if (!hasHostDevice)
+ return VMCI_ERROR_DEVICE_NOT_FOUND;
+
+ if (VMCI_INVALID_ID == src->context) {
+ /*
+ * If it came from a guest then it must have a
+ * valid context. Otherwise we can use the
+ * host context.
+ */
+ if (fromGuest)
+ return VMCI_ERROR_INVALID_ARGS;
+
+ src->context = VMCI_HOST_CONTEXT_ID;
+ }
+
+ /* Route to local client. */
+ *route = VMCI_ROUTE_AS_HOST;
+ return VMCI_SUCCESS;
+ }
+
+ /*
+ * If we are acting as a host then this might be destined for
+ * a guest.
+ */
+ if (hasHostDevice) {
+ /* It will have a context if it is meant for a guest. */
+ if (vmci_ctx_exists(dst->context)) {
+ if (VMCI_INVALID_ID == src->context) {
+ /*
+ * If it came from a guest then it
+ * must have a valid context.
+ * Otherwise we can use the host
+ * context.
+ */
+
+ if (fromGuest)
+ return VMCI_ERROR_INVALID_ARGS;
+
+ src->context = VMCI_HOST_CONTEXT_ID;
+ } else if (VMCI_CONTEXT_IS_VM(src->context) &&
+ src->context != dst->context) {
+ /*
+ * VM to VM communication is not
+ * allowed. Since we catch all
+ * communication destined for the host
+ * above, this must be destined for a
+ * VM since there is a valid context.
+ */
+
+ ASSERT(VMCI_CONTEXT_IS_VM(dst->context));
+
+ return VMCI_ERROR_DST_UNREACHABLE;
+ }
+
+ /* Pass it up to the guest. */
+ *route = VMCI_ROUTE_AS_HOST;
+ return VMCI_SUCCESS;
+ } else if (!hasGuestDevice) {
+ /*
+ * The host is attempting to reach a CID
+ * without an active context, and we can't
+ * send it down, since we have no guest
+ * device.
+ */
+
+ return VMCI_ERROR_DST_UNREACHABLE;
+ }
+ }
+
+ /*
+ * We must be a guest trying to send to another guest, which means
+ * we need to send it down to the host. We do not filter out VM to
+ * VM communication here, since we want to be able to use the guest
+ * driver on older versions that do support VM to VM communication.
+ */
+ if (!hasGuestDevice) {
+ /*
+ * Ending up here means we have neither guest nor host
+ * device. That shouldn't happen, since any VMCI
+ * client in the kernel should have done a successful
+ * VMCI_DeviceGet.
+ */
+
+ ASSERT(false);
+ return VMCI_ERROR_DEVICE_NOT_FOUND;
+ }
+
+ /* If no source context then use the current context. */
+ if (VMCI_INVALID_ID == src->context)
+ src->context = VMCI_GetContextID();
+
+ /*
+ * Send it from local client down to the host, which will
+ * route it to the other guest for us.
+ */
+ *route = VMCI_ROUTE_AS_GUEST;
+ return VMCI_SUCCESS;
+}
diff --git a/drivers/misc/vmw_vmci/vmci_route.h b/drivers/misc/vmw_vmci/vmci_route.h
new file mode 100644
index 0000000..5a0f312
--- /dev/null
+++ b/drivers/misc/vmw_vmci/vmci_route.h
@@ -0,0 +1,34 @@
+/*
+ * VMware VMCI Driver
+ *
+ * Copyright (C) 2012 VMware, Inc. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation version 2 and no later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _VMCI_ROUTE_H_
+#define _VMCI_ROUTE_H_
+
+#include <linux/vmw_vmci_defs.h>
+
+enum vmci_route {
+ VMCI_ROUTE_NONE,
+ VMCI_ROUTE_AS_HOST,
+ VMCI_ROUTE_AS_GUEST,
+};
+
+int vmci_route(struct vmci_handle *src, const struct vmci_handle *dst,
+ bool fromGuest, enum vmci_route *route);
+
+#endif /* _VMCI_ROUTE_H_ */
--
1.7.0.4
^ permalink raw reply related
* [vmw_vmci RFCv2 09/11] Apply VMCI resource code
From: Andrew Stiegmann (stieg) @ 2012-06-12 20:44 UTC (permalink / raw)
To: linux-kernel, virtualization, vm-crosstalk
Cc: acking, dtor, gregkh, dsouders, Andrew Stiegmann (stieg), cschamp
In-Reply-To: <1339533870-24187-1-git-send-email-astiegmann@vmware.com>
Tracks all used resources within the vmci code.
Signed-off-by: Andrew Stiegmann (stieg) <astiegmann@vmware.com>
---
drivers/misc/vmw_vmci/vmci_resource.c | 194 +++++++++++++++++++++++++++++++++
drivers/misc/vmw_vmci/vmci_resource.h | 62 +++++++++++
2 files changed, 256 insertions(+), 0 deletions(-)
create mode 100644 drivers/misc/vmw_vmci/vmci_resource.c
create mode 100644 drivers/misc/vmw_vmci/vmci_resource.h
diff --git a/drivers/misc/vmw_vmci/vmci_resource.c b/drivers/misc/vmw_vmci/vmci_resource.c
new file mode 100644
index 0000000..03d1f44
--- /dev/null
+++ b/drivers/misc/vmw_vmci/vmci_resource.c
@@ -0,0 +1,194 @@
+/*
+ * VMware VMCI Driver
+ *
+ * Copyright (C) 2012 VMware, Inc. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation version 2 and no later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/vmw_vmci_defs.h>
+
+#include "vmci_common_int.h"
+#include "vmci_hash_table.h"
+#include "vmci_resource.h"
+#include "vmci_driver.h"
+
+/* 0 through VMCI_RESERVED_RESOURCE_ID_MAX are reserved. */
+static uint32_t resourceID = VMCI_RESERVED_RESOURCE_ID_MAX + 1;
+static spinlock_t resourceIdLock;
+static struct vmci_hash_table *resourceTable;
+
+/*
+ * Initializes the VMCI Resource Access Control API. Creates a hashtable
+ * to hold all resources, and registers vectors and callbacks for
+ * hypercalls.
+ */
+int __init vmci_resource_init(void)
+{
+ spin_lock_init(&resourceIdLock);
+
+ resourceTable = vmci_hash_create(128);
+ if (resourceTable == NULL) {
+ pr_warn("Failed creating a resource hash table.");
+ return VMCI_ERROR_NO_MEM;
+ }
+
+ return VMCI_SUCCESS;
+}
+
+void vmci_resource_exit(void)
+{
+ if (resourceTable)
+ vmci_hash_destroy(resourceTable);
+}
+
+/*
+ * Return resource ID. The first VMCI_RESERVED_RESOURCE_ID_MAX are
+ * reserved so we start from its value + 1. Returns
+ * VMCI resource id on success, VMCI_INVALID_ID on failure.
+ */
+uint32_t vmci_resource_get_id(uint32_t contextID)
+{
+ uint32_t oldRID = resourceID;
+ uint32_t currentRID;
+ bool foundRID = false;
+
+ /*
+ * Generate a unique resource ID. Keep on trying until we wrap around
+ * in the RID space.
+ */
+ ASSERT(oldRID > VMCI_RESERVED_RESOURCE_ID_MAX);
+
+ do {
+ struct vmci_handle handle;
+
+ spin_lock(&resourceIdLock);
+ currentRID = resourceID;
+ handle = vmci_make_handle(contextID, currentRID);
+ resourceID++;
+ if (unlikely(resourceID == VMCI_INVALID_ID)) {
+ /* Skip the reserved rids. */
+
+ resourceID = VMCI_RESERVED_RESOURCE_ID_MAX + 1;
+ }
+ spin_unlock(&resourceIdLock);
+ foundRID = !vmci_hash_exists(resourceTable, handle);
+ } while (!foundRID && resourceID != oldRID);
+
+ return (unlikely(!foundRID)) ? VMCI_INVALID_ID : currentRID;
+}
+
+int vmci_resource_add(struct vmci_resource *resource,
+ enum vmci_resource_type resourceType,
+ struct vmci_handle resourceHandle,
+ VMCIResourceFreeCB containerFreeCB,
+ void *containerObject)
+{
+ int result;
+
+ ASSERT(resource);
+
+ if (VMCI_HANDLE_EQUAL(resourceHandle, VMCI_INVALID_HANDLE)) {
+ pr_devel("Invalid argument resource (handle=0x%x:0x%x)",
+ resourceHandle.context, resourceHandle.resource);
+ return VMCI_ERROR_INVALID_ARGS;
+ }
+
+ vmci_hash_init_entry(&resource->hashEntry, resourceHandle);
+ resource->type = resourceType;
+ resource->containerFreeCB = containerFreeCB;
+ resource->containerObject = containerObject;
+
+ /* Add resource to hashtable. */
+ result = vmci_hash_add(resourceTable, &resource->hashEntry);
+ if (result != VMCI_SUCCESS) {
+ pr_devel("Failed to add entry to hash table " \
+ "(result=%d).", result);
+ return result;
+ }
+
+ return result;
+}
+
+void vmci_resource_remove(struct vmci_handle resourceHandle,
+ enum vmci_resource_type resourceType)
+{
+ struct vmci_resource *resource =
+ vmci_resource_get(resourceHandle, resourceType);
+
+ if (resource == NULL)
+ return;
+
+ /* Remove resource from hashtable. */
+ vmci_hash_remove(resourceTable, &resource->hashEntry);
+
+ vmci_resource_release(resource);
+ /* resource could be freed by now. */
+}
+
+struct vmci_resource *vmci_resource_get(struct vmci_handle resourceHandle,
+ enum vmci_resource_type resourceType)
+{
+ struct vmci_resource *resource;
+ struct vmci_hash_entry *entry =
+ vmci_hash_get(resourceTable, resourceHandle);
+
+ if (entry == NULL)
+ return NULL;
+
+ resource = container_of(entry, struct vmci_resource, hashEntry);
+ if (resourceType == VMCI_RESOURCE_TYPE_ANY ||
+ resource->type == resourceType)
+ return resource;
+
+ vmci_hash_release(resourceTable, entry);
+ return NULL;
+}
+
+/*
+ * Hold the given resource. This will hold the hashtable entry. This
+ * is like doing a Get() but without having to lookup the resource by
+ * handle.
+ */
+void vmci_resource_hold(struct vmci_resource *resource)
+{
+ ASSERT(resource);
+ vmci_hash_hold(resourceTable, &resource->hashEntry);
+}
+
+/*
+ * resource's containerFreeCB will get called if last reference.
+ */
+int vmci_resource_release(struct vmci_resource *resource)
+{
+ int result;
+
+ ASSERT(resource);
+
+ result = vmci_hash_release(resourceTable, &resource->hashEntry);
+ if (result == VMCI_SUCCESS_ENTRY_DEAD && resource->containerFreeCB)
+ resource->containerFreeCB(resource->containerObject);
+
+ /*
+ * We propagate the information back to caller in case it wants to know
+ * whether entry was freed.
+ */
+ return result;
+}
+
+struct vmci_handle vmci_resource_handle(struct vmci_resource *resource)
+{
+ ASSERT(resource);
+ return resource->hashEntry.handle;
+}
diff --git a/drivers/misc/vmw_vmci/vmci_resource.h b/drivers/misc/vmw_vmci/vmci_resource.h
new file mode 100644
index 0000000..81a4254
--- /dev/null
+++ b/drivers/misc/vmw_vmci/vmci_resource.h
@@ -0,0 +1,62 @@
+/*
+ * VMware VMCI Driver
+ *
+ * Copyright (C) 2012 VMware, Inc. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation version 2 and no later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _VMCI_RESOURCE_H_
+#define _VMCI_RESOURCE_H_
+
+#include <linux/vmw_vmci_defs.h>
+
+#include "vmci_context.h"
+#include "vmci_hash_table.h"
+
+typedef void (*VMCIResourceFreeCB) (void *resource);
+
+enum vmci_resource_type {
+ VMCI_RESOURCE_TYPE_ANY,
+ VMCI_RESOURCE_TYPE_API,
+ VMCI_RESOURCE_TYPE_GROUP,
+ VMCI_RESOURCE_TYPE_DATAGRAM,
+ VMCI_RESOURCE_TYPE_DOORBELL,
+};
+
+struct vmci_resource {
+ struct vmci_hash_entry hashEntry;
+ enum vmci_resource_type type;
+ /* Callback to free container object when refCount is 0. */
+ VMCIResourceFreeCB containerFreeCB;
+ void *containerObject; /* Container object reference. */
+};
+
+int vmci_resource_init(void);
+void vmci_resource_exit(void);
+uint32_t vmci_resource_get_id(uint32_t contextID);
+int vmci_resource_add(struct vmci_resource *resource,
+ enum vmci_resource_type resourceType,
+ struct vmci_handle resourceHandle,
+ VMCIResourceFreeCB containerFreeCB,
+ void *containerObject);
+void vmci_resource_remove(struct vmci_handle resourceHandle,
+ enum vmci_resource_type resourceType);
+struct vmci_resource *vmci_resource_get(struct vmci_handle resourceHandle,
+ enum vmci_resource_type resourceType);
+void vmci_resource_hold(struct vmci_resource *resource);
+int vmci_resource_release(struct vmci_resource *resource);
+struct vmci_handle vmci_resource_handle(struct vmci_resource *resource);
+
+#endif /* _VMCI_RESOURCE_H_ */
--
1.7.0.4
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