From: David Gibson <david@gibson.dropbear.id.au>
To: Alexey Kardashevskiy <aik@ozlabs.ru>
Cc: Alex Williamson <alex.williamson@redhat.com>,
qemu-ppc@nongnu.org, qemu-devel@nongnu.org,
Gavin Shan <gwshan@linux.vnet.ibm.com>,
Alexander Graf <agraf@suse.de>
Subject: Re: [Qemu-devel] [RFC PATCH v2 05/13] spapr_pci: Introduce a liobn number generating macros
Date: Tue, 19 Aug 2014 10:44:53 +1000 [thread overview]
Message-ID: <20140819004453.GC26479@voom.fritz.box> (raw)
In-Reply-To: <1408097555-28126-6-git-send-email-aik@ozlabs.ru>
[-- Attachment #1: Type: text/plain, Size: 852 bytes --]
On Fri, Aug 15, 2014 at 08:12:27PM +1000, Alexey Kardashevskiy wrote:
> We are going to have multiple DMA windows per PHB and we want them to
> migrate so we need a predictable way of assigning LIOBNs.
>
> This introduces a macro which makes up a LIOBN from fixed prefix,
> PHB index (unique PHB id) and window number.
>
> This introduces a SPAPR_PCI_DMA_WINDOW_NUM() to know the window number
> from LIOBN, will be used in next patch(es) to distinguish the default
> 32bit windows from dynamic windows.
>
> Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Looks sane enough.
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
[-- Attachment #2: Type: application/pgp-signature, Size: 819 bytes --]
next prev parent reply other threads:[~2014-08-19 0:44 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-15 10:12 [Qemu-devel] [RFC PATCH v2 00/13] spapr: vfio: Enable Dynamic DMA windows (DDW) Alexey Kardashevskiy
2014-08-15 10:12 ` [Qemu-devel] [RFC PATCH v2 01/13] qom: Make object_child_foreach safe for objects removal Alexey Kardashevskiy
2014-08-19 0:39 ` David Gibson
2014-08-15 10:12 ` [Qemu-devel] [RFC PATCH v2 02/13] spapr_iommu: Disable in-kernel IOMMU tables for >4GB windows Alexey Kardashevskiy
2014-08-19 0:43 ` David Gibson
2014-08-20 8:09 ` Alexey Kardashevskiy
2014-08-27 9:27 ` Alexander Graf
2014-08-15 10:12 ` [Qemu-devel] [RFC PATCH v2 03/13] spapr_pci: Make find_phb()/find_dev() public Alexey Kardashevskiy
2014-08-15 10:12 ` [Qemu-devel] [RFC PATCH v2 04/13] spapr_iommu: Make spapr_tce_find_by_liobn() public Alexey Kardashevskiy
2014-08-15 10:12 ` [Qemu-devel] [RFC PATCH v2 05/13] spapr_pci: Introduce a liobn number generating macros Alexey Kardashevskiy
2014-08-19 0:44 ` David Gibson [this message]
2014-08-27 9:29 ` Alexander Graf
2014-08-15 10:12 ` [Qemu-devel] [RFC PATCH v2 06/13] spapr_iommu: Implement free_table() helper Alexey Kardashevskiy
2014-08-26 6:16 ` David Gibson
2014-08-26 7:04 ` Alexey Kardashevskiy
2014-08-15 10:12 ` [Qemu-devel] [RFC PATCH v2 07/13] spapr_rtas: Add Dynamic DMA windows (DDW) RTAS calls support Alexey Kardashevskiy
2014-08-26 7:06 ` David Gibson
2014-08-27 9:36 ` Alexander Graf
2014-08-27 13:56 ` Alexey Kardashevskiy
2014-08-15 10:12 ` [Qemu-devel] [RFC PATCH v2 08/13] spapr_pci: Enable DDW Alexey Kardashevskiy
2014-08-26 7:14 ` David Gibson
2014-08-26 8:11 ` Alexey Kardashevskiy
2014-08-15 10:12 ` [Qemu-devel] [RFC PATCH v2 09/13] spapr_pci_vfio: Call spapr_pci::reset on reset Alexey Kardashevskiy
2014-08-26 6:55 ` David Gibson
2014-08-15 10:12 ` [Qemu-devel] [RFC PATCH v2 10/13] linux headers update for DDW Alexey Kardashevskiy
2014-08-18 17:42 ` Alex Williamson
2014-08-20 7:49 ` Alexey Kardashevskiy
2014-08-20 19:44 ` Alex Williamson
2014-08-21 2:47 ` Alexey Kardashevskiy
2014-08-15 10:12 ` [Qemu-devel] [RFC PATCH v2 11/13] spapr_pci_vfio: Enable DDW Alexey Kardashevskiy
2014-08-26 7:19 ` David Gibson
2014-08-26 8:16 ` Alexey Kardashevskiy
2014-08-27 8:25 ` David Gibson
2014-08-15 10:12 ` [Qemu-devel] [RFC PATCH v2 12/13] vfio: Enable DDW ioctls to VFIO IOMMU driver Alexey Kardashevskiy
2014-08-26 7:20 ` David Gibson
2014-08-26 8:20 ` Alexey Kardashevskiy
2014-08-27 8:42 ` David Gibson
2014-08-15 10:12 ` [Qemu-devel] [RFC PATCH v2 13/13] spapr: Add pseries-2.2 machine with default "ddw" option Alexey Kardashevskiy
2014-08-27 9:44 ` Alexander Graf
2014-08-27 14:24 ` Alexey Kardashevskiy
2014-08-27 9:44 ` Alexander Graf
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=20140819004453.GC26479@voom.fritz.box \
--to=david@gibson.dropbear.id.au \
--cc=agraf@suse.de \
--cc=aik@ozlabs.ru \
--cc=alex.williamson@redhat.com \
--cc=gwshan@linux.vnet.ibm.com \
--cc=qemu-devel@nongnu.org \
--cc=qemu-ppc@nongnu.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.