From: "Roedel, Joerg" <Joerg.Roedel@amd.com>
To: Gerd Hoffmann <kraxel@redhat.com>
Cc: Stefan Hajnoczi <stefanha@gmail.com>, Herbszt <herbszt@gmx.de>,
Alexander Graf <agraf@suse.de>,
QEMU-devel Developers <qemu-devel@nongnu.org>,
"tj@kernel.org" <tj@kernel.org>,
Sebastian@gnu.org, Roland Elek <elek.roland@gmail.com>
Subject: [Qemu-devel] Re: [PATCH 08/10] ahci: add ahci emulation
Date: Fri, 19 Nov 2010 11:08:04 +0100 [thread overview]
Message-ID: <20101119100804.GA2146@amd.com> (raw)
In-Reply-To: <4CE63F8B.8020802@redhat.com>
On Fri, Nov 19, 2010 at 04:12:43AM -0500, Gerd Hoffmann wrote:
> >>> +static void ahci_check_irq(AHCIState *s)
> >>
> >> MSI support would be nice to have.
> >
> > Alrighty, I added MSI support. But I only have a single vector in use
> > atm as nvec> 0 doesn't get written to the PCI config space so the code
> > trips on that later on.
>
> For multiple vectors MSI-X is the best choice as it fixes a few design
> issues MSI has when it comes to multiple vectors. I think linux never
> ever uses MSI with multiple vectors anyway.
Linux doesn't even support MSI with multiple vectors today.
Joerg
--
AMD Operating System Research Center
Advanced Micro Devices GmbH Einsteinring 24 85609 Dornach
General Managers: Alberto Bozzo, Andrew Bowd
Registration: Dornach, Landkr. Muenchen; Registerger. Muenchen, HRB Nr. 43632
next prev parent reply other threads:[~2010-11-19 10:08 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-18 3:27 [Qemu-devel] [PATCH 00/10] AHCI emulation support v2 Alexander Graf
2010-11-18 3:27 ` [Qemu-devel] [PATCH 01/10] ide: split ide command interpretation off Alexander Graf
2010-11-18 3:27 ` [Qemu-devel] [PATCH 02/10] ide: fix whitespace gap in ide_exec_cmd Alexander Graf
2010-11-18 3:27 ` [Qemu-devel] [PATCH 03/10] ide: add support for ide bus ops Alexander Graf
2010-11-18 3:27 ` [Qemu-devel] [PATCH 04/10] ide: add DMA hooks to " Alexander Graf
2010-11-18 3:27 ` [Qemu-devel] [PATCH 05/10] ide: add ncq identify data for ahci sata drives Alexander Graf
2010-11-18 3:27 ` [Qemu-devel] [PATCH 06/10] pci: add storage class for sata Alexander Graf
2010-11-18 3:27 ` [Qemu-devel] [PATCH 07/10] pci: add ich7 pci id Alexander Graf
2010-11-18 3:27 ` [Qemu-devel] [PATCH 08/10] ahci: add ahci emulation Alexander Graf
2010-11-18 8:01 ` [Qemu-devel] " Gerd Hoffmann
2010-11-18 18:05 ` Alexander Graf
2010-11-19 9:12 ` Gerd Hoffmann
2010-11-19 10:08 ` Roedel, Joerg [this message]
2010-11-18 3:27 ` [Qemu-devel] [PATCH 09/10] ahci: add -drive support Alexander Graf
2010-11-18 3:27 ` [Qemu-devel] [PATCH 10/10] ahci: spawn controller on demand Alexander Graf
2010-11-18 10:00 ` [Qemu-devel] Re: [PATCH 00/10] AHCI emulation support v2 Stefan Hajnoczi
2010-11-18 13:26 ` [Qemu-devel] " Kevin Wolf
2010-11-18 18:43 ` Alexander Graf
2010-11-18 20:06 ` Ryan Harper
2010-11-18 23:24 ` Alexander Graf
2010-11-19 9:12 ` Stefan Hajnoczi
2010-11-21 2:32 ` Alexander Graf
2010-11-19 9:15 ` Kevin Wolf
2010-11-19 11:56 ` Gerd Hoffmann
2010-11-19 12:27 ` Kevin Wolf
2010-11-19 13:08 ` Alexander Graf
2010-11-19 13:46 ` Kevin Wolf
2010-11-21 2:19 ` Alexander Graf
2010-11-22 8:45 ` Kevin Wolf
2010-11-19 14:36 ` Gerd Hoffmann
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=20101119100804.GA2146@amd.com \
--to=joerg.roedel@amd.com \
--cc=Sebastian@gnu.org \
--cc=agraf@suse.de \
--cc=elek.roland@gmail.com \
--cc=herbszt@gmx.de \
--cc=kraxel@redhat.com \
--cc=qemu-devel@nongnu.org \
--cc=stefanha@gmail.com \
--cc=tj@kernel.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).