qemu-devel.nongnu.org archive mirror
 help / color / mirror / Atom feed
From: Jan Kiszka <jan.kiszka@siemens.com>
To: Anthony PERARD <anthony.perard@citrix.com>
Cc: Anthony Liguori <aliguori@us.ibm.com>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	Xen Devel <xen-devel@lists.xen.org>,
	QEMU-devel <qemu-devel@nongnu.org>,
	Stefano Stabellini <Stefano.Stabellini@eu.citrix.com>
Subject: Re: [Qemu-devel] [PATCH V12 5/9] Revert "pci: don't export an internal function"
Date: Wed, 13 Jun 2012 14:48:13 +0200	[thread overview]
Message-ID: <4FD88C0D.10304@siemens.com> (raw)
In-Reply-To: <4FD88A33.1080304@citrix.com>

On 2012-06-13 14:40, Anthony PERARD wrote:
> On 13/06/12 13:00, Jan Kiszka wrote:
>> On 2012-06-13 13:22, Stefano Stabellini wrote:
>>> On Wed, 13 Jun 2012, Jan Kiszka wrote:
>>>> On 2012-06-12 17:15, Michael S. Tsirkin wrote:
>>>>> On Tue, Jun 12, 2012 at 04:05:19PM +0100, Anthony PERARD wrote:
>>>>>> This reverts commit 94a09e2c846374a96719cda2b4e1312d8c4b08a7.
>>>>>>
>>>>>> This function is used by a later patch to parse the BDF of the device to
>>>>>> passthrough.
>>>>>>
>>>>>> Signed-off-by: Anthony PERARD<anthony.perard@citrix.com>
>>>>>
>>>>> You probably want to parse the host address?  You don't want to copy the
>>>>> bugs in pci_parse_devaddr - write your own that has sane semantics
>>>>> for host. E.g. you need to support ARI etc.
>>>>
>>>> We should really consolidate over one parser for Xen, KVM device
>>>> assignment and VFIO. It looks like they all have very similar requirements.
>>>>
>>>> For those how didn't follow the discussion, see patches 10-13 in
>>>> http://thread.gmane.org/gmane.comp.emulators.qemu/153728.
>>>
>>> I agree, actually it looks like patch 10 and 11 would be enough.
>>>
>>> Maybe you could extract them and send them out separately?
>>
>> They are still under discussion and waiting for some QOM refactorings to
>> be merged.
>>
>> Will you be able to use an address parser via some device property?
> 
> Yes. Actually, the address is already a device property.
> 

Great. Then we should try to come up with a common pci-host-devaddr
property everyone can use.

Jan

-- 
Siemens AG, Corporate Technology, CT T DE IT 1
Corporate Competence Center Embedded Linux

  reply	other threads:[~2012-06-13 12:48 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-06-12 15:05 [Qemu-devel] [PATCH V12 0/9] Xen PCI Passthrough Anthony PERARD
2012-06-12 15:05 ` [Qemu-devel] [PATCH V12 1/9] pci_ids: Add INTEL_82599_SFP_VF id Anthony PERARD
2012-06-12 15:05 ` [Qemu-devel] [PATCH V12 2/9] configure: Introduce --enable-xen-pci-passthrough Anthony PERARD
2012-06-12 15:05 ` [Qemu-devel] [PATCH V12 3/9] Introduce XenHostPCIDevice to access a pci device on the host Anthony PERARD
2012-06-12 15:05 ` [Qemu-devel] [PATCH V12 4/9] pci.c: Add opaque argument to pci_for_each_device Anthony PERARD
2012-06-12 15:05 ` [Qemu-devel] [PATCH V12 5/9] Revert "pci: don't export an internal function" Anthony PERARD
2012-06-12 15:15   ` Michael S. Tsirkin
2012-06-13 10:56     ` Stefano Stabellini
2012-06-13 11:06       ` Michael S. Tsirkin
2012-06-13 11:15     ` Jan Kiszka
2012-06-13 11:22       ` Stefano Stabellini
2012-06-13 12:00         ` Jan Kiszka
2012-06-13 12:22           ` Andreas Färber
2012-06-13 12:48             ` Jan Kiszka
2012-06-13 12:40           ` Anthony PERARD
2012-06-13 12:48             ` Jan Kiszka [this message]
2012-06-14 14:39               ` Anthony PERARD
2012-06-14 15:21                 ` Jan Kiszka
2012-06-14 16:01                   ` Anthony PERARD
2012-06-14 15:30                 ` Michael S. Tsirkin
2012-06-14 15:59                   ` Anthony PERARD
2012-06-13 11:22       ` Michael S. Tsirkin
2012-06-13 11:48         ` Jan Kiszka
2012-06-13 14:04           ` Michael S. Tsirkin
2012-06-12 15:05 ` [Qemu-devel] [PATCH V12 6/9] Introduce Xen PCI Passthrough, qdevice (1/3) Anthony PERARD
2012-06-12 15:05 ` [Qemu-devel] [PATCH V12 7/9] Introduce Xen PCI Passthrough, PCI config space helpers (2/3) Anthony PERARD
2012-06-12 15:05 ` [Qemu-devel] [PATCH V12 8/9] Introduce apic-msidef.h Anthony PERARD
2012-06-12 15:05 ` [Qemu-devel] [PATCH V12 9/9] Introduce Xen PCI Passthrough, MSI (3/3) Anthony PERARD

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=4FD88C0D.10304@siemens.com \
    --to=jan.kiszka@siemens.com \
    --cc=Stefano.Stabellini@eu.citrix.com \
    --cc=aliguori@us.ibm.com \
    --cc=anthony.perard@citrix.com \
    --cc=mst@redhat.com \
    --cc=qemu-devel@nongnu.org \
    --cc=xen-devel@lists.xen.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).