From: Alex Williamson <alex.williamson@redhat.com>
To: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Cc: "igvt-g@ml01.01.org" <igvt-g@ml01.01.org>,
Jike Song <jike.song@intel.com>,
"Reddy, Raghuveer" <raghuveer.reddy@intel.com>,
qemu-devel <qemu-devel@nongnu.org>,
"White, Michael L" <michael.l.white@intel.com>,
"Cowperthwaite, David J" <david.j.cowperthwaite@intel.com>,
"intel-gfx@lists.freedesktop.org"
<intel-gfx@lists.freedesktop.org>,
"Li, Susie" <susie.li@intel.com>,
"Dong, Eddie" <eddie.dong@intel.com>,
"Tian, Kevin" <kevin.tian@intel.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Gerd Hoffmann <kraxel@redhat.com>,
"Zhou, Chao" <chao.zhou@intel.com>,
Paolo Bonzini <pbonzini@redhat.com>,
"Zhu, Libo" <libo.zhu@intel.com>,
"xen-devel@lists.xen.org" <xen-devel@lists.xen.org>,
"Wang, Hongbo" <hongbo.wang@intel.com>,
"Lv, Zhiyuan" <zhiyuan.lv@intel.com>
Subject: Re: [Intel-gfx] [Announcement] 2015-Q3 release of XenGT - a Mediated Graphics Passthrough Solution from Intel
Date: Thu, 19 Nov 2015 08:52:46 -0700 [thread overview]
Message-ID: <1447948366.4697.119.camel__15983.9293025017$1447948442$gmane$org@redhat.com> (raw)
In-Reply-To: <alpine.DEB.2.02.1511191529370.1107@kaball.uk.xensource.com>
On Thu, 2015-11-19 at 15:32 +0000, Stefano Stabellini wrote:
> On Thu, 19 Nov 2015, Jike Song wrote:
> > Hi Alex, thanks for the discussion.
> >
> > In addition to Kevin's replies, I have a high-level question: can VFIO
> > be used by QEMU for both KVM and Xen?
>
> No. VFIO cannot be used with Xen today. When running on Xen, the IOMMU
> is owned by Xen.
Right, but in this case we're talking about device MMUs, which are owned
by the device driver which I think is running in dom0, right? This
proposal doesn't require support of the system IOMMU, the dom0 driver
maps IOVA translations just as it would for itself. We're largely
proposing use of the VFIO API to provide a common interface to expose a
PCI(e) device to QEMU, but what happens in the vGPU vendor device and
IOMMU backends is specific to the device and perhaps even specific to
the hypervisor. Thanks,
Alex
next prev parent reply other threads:[~2015-11-19 15:52 UTC|newest]
Thread overview: 176+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-25 8:31 [Intel-gfx] [Announcement] Updates to XenGT - a Mediated Graphics Passthrough Solution from Intel Jike Song
2014-07-25 8:31 ` Jike Song
2014-07-29 10:09 ` [Xen-devel] [Intel-gfx] " Dario Faggioli
2014-07-29 10:09 ` Dario Faggioli
2014-07-30 9:39 ` Jike Song
2014-07-30 9:39 ` [Xen-devel] " Jike Song
2014-07-30 9:39 ` [Xen-devel] " Jike Song
2014-07-31 13:58 ` Dario Faggioli
2014-07-31 13:58 ` [Intel-gfx] " Dario Faggioli
2014-07-29 10:09 ` Dario Faggioli
2014-12-04 2:45 ` [Intel-gfx] [Announcement] 2014-Q3 release of " Jike Song
2014-12-04 2:45 ` Jike Song
2014-12-04 2:45 ` Jike Song
2014-12-04 10:20 ` [Intel-gfx] " Fabio Fantoni
2014-12-04 10:20 ` [Xen-devel] " Fabio Fantoni
2014-12-04 10:26 ` Tian, Kevin
2015-01-09 8:51 ` [Intel-gfx] [Announcement] 2015-Q1 " Jike Song
2015-01-09 8:51 ` Jike Song
2015-01-12 3:04 ` [Intel-gfx] [Announcement] 2014-Q4 " Jike Song
2015-01-12 3:04 ` Jike Song
2015-01-12 3:04 ` Jike Song
2015-04-10 13:23 ` [Intel-gfx] [Announcement] 2015-Q1 " Jike Song
2015-04-10 13:23 ` Jike Song
2015-04-10 13:23 ` Jike Song
2015-07-07 2:49 ` [Intel-gfx] [Announcement] 2015-Q2 " Jike Song
2015-07-07 2:49 ` Jike Song
2015-07-07 2:49 ` Jike Song
2015-10-27 9:25 ` [Intel-gfx] [Announcement] 2015-Q3 " Jike Song
2015-10-27 9:25 ` Jike Song
2015-11-18 18:12 ` [Intel-gfx] " Alex Williamson
2015-11-18 18:12 ` Alex Williamson
2015-11-18 18:12 ` [Qemu-devel] [Intel-gfx] " Alex Williamson
2015-11-19 4:06 ` Tian, Kevin
2015-11-19 4:06 ` Tian, Kevin
2015-11-19 4:06 ` [Qemu-devel] [Intel-gfx] " Tian, Kevin
2015-11-19 7:22 ` Jike Song
2015-11-19 7:22 ` Jike Song
2015-11-19 7:22 ` Jike Song
2015-11-19 7:22 ` [Qemu-devel] [Intel-gfx] " Jike Song
2015-11-19 15:32 ` Stefano Stabellini
2015-11-19 15:32 ` Stefano Stabellini
2015-11-19 15:32 ` Stefano Stabellini
2015-11-19 15:32 ` [Qemu-devel] " Stefano Stabellini
2015-11-19 15:49 ` Paolo Bonzini
2015-11-19 15:49 ` Paolo Bonzini
2015-11-19 15:49 ` [Qemu-devel] [Intel-gfx] " Paolo Bonzini
2015-11-19 16:12 ` Stefano Stabellini
2015-11-19 16:12 ` Stefano Stabellini
2015-11-19 16:12 ` [Qemu-devel] " Stefano Stabellini
2015-11-19 15:49 ` Paolo Bonzini
2015-11-19 15:52 ` Alex Williamson
2015-11-19 15:52 ` Alex Williamson
2015-11-19 15:52 ` [Qemu-devel] [Intel-gfx] " Alex Williamson
2015-11-20 2:58 ` Jike Song
2015-11-20 2:58 ` Jike Song
2015-11-20 2:58 ` [Qemu-devel] [Intel-gfx] " Jike Song
2015-11-20 4:22 ` Alex Williamson
2015-11-20 4:22 ` Alex Williamson
2015-11-20 4:22 ` Alex Williamson
2015-11-20 4:22 ` [Qemu-devel] [Intel-gfx] " Alex Williamson
2015-11-20 5:51 ` Jike Song
2015-11-20 5:51 ` Jike Song
2015-11-20 5:51 ` [Qemu-devel] [Intel-gfx] " Jike Song
2015-11-20 6:01 ` Tian, Kevin
2015-11-20 6:01 ` Tian, Kevin
2015-11-20 6:01 ` [Qemu-devel] [Intel-gfx] " Tian, Kevin
2015-11-20 6:01 ` Tian, Kevin
2015-11-20 16:40 ` Alex Williamson
2015-11-20 16:40 ` Alex Williamson
2015-11-20 16:40 ` [Qemu-devel] [Intel-gfx] " Alex Williamson
2015-11-23 4:52 ` Jike Song
2015-11-23 4:52 ` Jike Song
2015-11-23 4:52 ` Jike Song
2015-11-20 16:40 ` Alex Williamson
2015-11-20 5:51 ` Jike Song
2015-11-20 2:58 ` Jike Song
2015-11-19 15:52 ` Alex Williamson [this message]
2015-11-19 8:40 ` Gerd Hoffmann
2015-11-19 8:40 ` Gerd Hoffmann
2015-11-19 8:40 ` Gerd Hoffmann
2015-11-19 8:40 ` [Qemu-devel] [Intel-gfx] " Gerd Hoffmann
2015-11-19 11:09 ` Paolo Bonzini
2015-11-19 11:09 ` [Qemu-devel] " Paolo Bonzini
2015-11-20 2:46 ` Jike Song
2015-11-20 2:46 ` Jike Song
2015-11-20 2:46 ` Jike Song
2015-11-20 2:46 ` [Qemu-devel] [Intel-gfx] " Jike Song
2015-11-19 11:09 ` Paolo Bonzini
2015-11-20 6:12 ` Tian, Kevin
2015-11-20 6:12 ` Tian, Kevin
2015-11-20 6:12 ` [Qemu-devel] " Tian, Kevin
2015-11-20 8:26 ` Gerd Hoffmann
2015-11-20 8:26 ` Gerd Hoffmann
2015-11-20 8:26 ` Gerd Hoffmann
2015-11-20 8:26 ` [Qemu-devel] [Intel-gfx] " Gerd Hoffmann
2015-11-20 8:36 ` Tian, Kevin
2015-11-20 8:36 ` Tian, Kevin
2015-11-20 8:36 ` Tian, Kevin
2015-11-20 8:36 ` [Qemu-devel] [Intel-gfx] " Tian, Kevin
2015-11-20 8:46 ` Zhiyuan Lv
2015-11-20 8:46 ` Zhiyuan Lv
2015-11-20 8:46 ` Zhiyuan Lv
2015-11-20 8:46 ` [Qemu-devel] [Intel-gfx] " Zhiyuan Lv
2015-12-03 6:57 ` Tian, Kevin
2015-12-03 6:57 ` Tian, Kevin
2015-12-03 6:57 ` [Qemu-devel] [Intel-gfx] " Tian, Kevin
2015-12-04 10:13 ` Gerd Hoffmann
2015-12-04 10:13 ` Gerd Hoffmann
2015-12-04 10:13 ` [Qemu-devel] [Intel-gfx] " Gerd Hoffmann
2015-12-04 10:13 ` Gerd Hoffmann
2015-12-03 6:57 ` Tian, Kevin
2015-11-20 6:12 ` Tian, Kevin
2015-11-19 20:02 ` Alex Williamson
2015-11-19 20:02 ` Alex Williamson
2015-11-19 20:02 ` [Qemu-devel] [Intel-gfx] " Alex Williamson
2015-11-20 7:09 ` Tian, Kevin
2015-11-20 7:09 ` Tian, Kevin
2015-11-20 7:09 ` Tian, Kevin
2015-11-20 7:09 ` [Qemu-devel] [Intel-gfx] " Tian, Kevin
2015-11-20 17:03 ` Alex Williamson
2015-11-20 17:03 ` Alex Williamson
2015-11-20 17:03 ` Alex Williamson
2015-11-20 17:03 ` [Qemu-devel] [Intel-gfx] " Alex Williamson
2015-11-20 8:10 ` Tian, Kevin
2015-11-20 8:10 ` Tian, Kevin
2015-11-20 8:10 ` Tian, Kevin
2015-11-20 8:10 ` [Qemu-devel] [Intel-gfx] " Tian, Kevin
2015-11-20 17:25 ` Alex Williamson
2015-11-20 17:25 ` Alex Williamson
2015-11-20 17:25 ` Alex Williamson
2015-11-20 17:25 ` [Qemu-devel] [Intel-gfx] " Alex Williamson
2015-11-23 5:05 ` Jike Song
2015-11-23 5:05 ` Jike Song
2015-11-23 5:05 ` Jike Song
2015-11-23 5:05 ` [Qemu-devel] [Intel-gfx] " Jike Song
2015-11-24 11:19 ` Daniel Vetter
2015-11-24 11:19 ` Daniel Vetter
2015-11-24 11:19 ` [Qemu-devel] [Intel-gfx] " Daniel Vetter
2015-11-24 11:49 ` Chris Wilson
2015-11-24 11:49 ` Chris Wilson
2015-11-24 11:49 ` Chris Wilson
2015-11-24 11:49 ` [Qemu-devel] [Intel-gfx] " Chris Wilson
2015-11-24 12:38 ` Gerd Hoffmann
2015-11-24 12:38 ` Gerd Hoffmann
2015-11-24 12:38 ` Gerd Hoffmann
2015-11-24 12:38 ` [Qemu-devel] [Intel-gfx] " Gerd Hoffmann
2015-11-24 13:31 ` Daniel Vetter
2015-11-24 13:31 ` Daniel Vetter
2015-11-24 13:31 ` [Qemu-devel] [Intel-gfx] " Daniel Vetter
2015-11-24 14:12 ` Gerd Hoffmann
2015-11-24 14:12 ` Gerd Hoffmann
2015-11-24 14:12 ` Gerd Hoffmann
2015-11-24 14:12 ` [Qemu-devel] [Intel-gfx] " Gerd Hoffmann
2015-11-24 14:19 ` Daniel Vetter
2015-11-24 14:19 ` Daniel Vetter
2015-11-24 14:19 ` Daniel Vetter
2015-11-24 14:19 ` [Qemu-devel] [Intel-gfx] " Daniel Vetter
2015-11-24 13:31 ` Daniel Vetter
2015-11-24 11:19 ` Daniel Vetter
2015-11-19 20:02 ` Alex Williamson
2015-11-19 4:06 ` Tian, Kevin
2015-11-18 18:12 ` Alex Williamson
2016-01-27 6:21 ` [Intel-gfx] [Announcement] 2015-Q4 " Jike Song
2016-01-27 6:21 ` Jike Song
2016-01-27 6:21 ` Jike Song
2016-04-28 5:29 ` [Intel-gfx] [Announcement] 2016-Q1 " Jike Song
2016-04-28 5:29 ` Jike Song
2016-07-22 5:42 ` [Intel-gfx] [Announcement] 2016-Q2 " Jike Song
2016-07-22 5:42 ` Jike Song
2016-07-22 5:42 ` Jike Song
2016-11-06 14:59 ` [Intel-gfx] [Announcement] 2016-Q3 " Jike Song
2016-11-06 14:59 ` Jike Song
2016-11-06 14:59 ` Jike Song
2016-04-28 5:29 ` [Intel-gfx] [Announcement] 2016-Q1 " Jike Song
2015-10-27 9:25 ` [Intel-gfx] [Announcement] 2015-Q3 " Jike Song
2015-01-09 8:51 ` [Intel-gfx] [Announcement] 2015-Q1 " Jike Song
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