From: Paolo Bonzini <pbonzini@redhat.com>
To: Jesse Barnes <jbarnes@virtuousgeek.org>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: "peter.maydell@linaro.org" <peter.maydell@linaro.org>,
"xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>,
"anthony@codemonkey.ws" <anthony@codemonkey.ws>,
"Michael S. Tsirkin" <mst@redhat.com>,
airlied@linux.ie, daniel.vetter@ffwll.ch,
intel-gfx@lists.freedesktop.org,
"Kelly.Zytaruk@amd.com" <Kelly.Zytaruk@amd.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
"yang.z.zhang@intel.com" <yang.z.zhang@intel.com>,
Stefano Stabellini <Stefano.Stabellini@citrix.com>,
Ross Philipson <ross.philipson@citrix.com>,
Anthony Perard <anthony.perard@citrix.com>,
"Chen, Tiejun" <tiejun.chen@intel.com>
Subject: Re: [Qemu-devel] ResettRe: [Xen-devel] [v5][PATCH 0/5] xen: add Intel IGD passthrough support
Date: Fri, 04 Jul 2014 08:28:25 +0200 [thread overview]
Message-ID: <53B64989.3050301@redhat.com> (raw)
In-Reply-To: <20140703120928.3a1be7d4@jbarnes-desktop>
Il 03/07/2014 21:09, Jesse Barnes ha scritto:
> Practically speaking, we could probably assume specific CPU/PCH combos,
> as I don't think they're generally mixed across generations, though SNB
> and IVB did have compatible sockets, so there is the possibility of
> mixing CPT and PPT PCHs, but those are register identical as far as the
> graphics driver is concerned, so even that should be safe.
I guess the driver could do that if it finds an unknown PCH device ID.
But encoding it in the subsystem device ID could also work and it would
be easy to do in the hypervisor.
> Beyond that, the other MCH data we need to look at is mirrored into the
> GPU's MMIO space on current gens.
Heh, that's exactly the same as the paravirtualized solution we were
suggesting. ;)
Paolo
> On older gens, we do need to poke at
> the memory controller a bit to get some info (see
> intel_setup_mchbar()), but that's not true of newer stuff. Looks like
> we only short circuit that on VLV though; we could probably do it on
> SNB+.
next prev parent reply other threads:[~2014-07-04 6:28 UTC|newest]
Thread overview: 169+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-25 2:17 [Qemu-devel] [v5][PATCH 0/5] xen: add Intel IGD passthrough support Tiejun Chen
2014-06-25 2:17 ` [Qemu-devel] [v5][PATCH 1/5] xen, gfx passthrough: basic graphics " Tiejun Chen
2014-06-25 6:21 ` Paolo Bonzini
2014-06-25 7:48 ` Chen, Tiejun
2014-06-25 6:35 ` Michael S. Tsirkin
2014-06-25 9:06 ` Chen, Tiejun
2014-06-25 9:16 ` Michael S. Tsirkin
2014-06-25 2:17 ` [Qemu-devel] [v5][PATCH 2/5] xen, gfx passthrough: create pseudo intel isa bridge Tiejun Chen
2014-06-25 6:22 ` Paolo Bonzini
2014-06-25 7:51 ` Chen, Tiejun
2014-06-25 6:45 ` Michael S. Tsirkin
2014-06-25 8:10 ` Chen, Tiejun
2014-06-25 8:28 ` Michael S. Tsirkin
2014-06-25 8:39 ` Chen, Tiejun
2014-06-25 8:43 ` Michael S. Tsirkin
2014-06-25 8:48 ` Chen, Tiejun
2014-06-25 9:04 ` Michael S. Tsirkin
2014-06-25 9:14 ` Chen, Tiejun
2014-06-25 9:21 ` Michael S. Tsirkin
2014-06-25 9:28 ` Chen, Tiejun
2014-06-25 9:44 ` Michael S. Tsirkin
2014-06-25 9:58 ` Chen, Tiejun
2014-06-27 7:22 ` Chen, Tiejun
2014-06-30 19:34 ` Stefano Stabellini
2014-07-01 2:21 ` Chen, Tiejun
2014-07-01 5:47 ` Michael S. Tsirkin
2014-07-01 9:50 ` Chen, Tiejun
2014-07-01 12:34 ` Michael S. Tsirkin
2014-07-01 16:51 ` Stefano Stabellini
2014-06-25 2:17 ` [Qemu-devel] [v5][PATCH 3/5] xen, gfx passthrough: support Intel IGD passthrough with VT-D Tiejun Chen
2014-06-25 6:25 ` Paolo Bonzini
2014-06-25 7:54 ` Chen, Tiejun
2014-06-25 7:04 ` Michael S. Tsirkin
2014-06-27 9:16 ` Chen, Tiejun
2014-06-25 14:05 ` Michael S. Tsirkin
2014-06-26 5:34 ` Chen, Tiejun
2014-06-26 6:04 ` Michael S. Tsirkin
2014-06-26 8:26 ` Chen, Tiejun
2014-06-25 2:17 ` [Qemu-devel] [v5][PATCH 4/5] xen, gfx passthrough: create host bridge to passthrough Tiejun Chen
2014-06-25 6:24 ` Paolo Bonzini
2014-06-27 8:34 ` Chen, Tiejun
2014-06-27 11:26 ` Paolo Bonzini
2014-06-29 7:56 ` Chen, Tiejun
2014-06-29 12:14 ` Michael S. Tsirkin
2014-06-30 2:52 ` Chen, Tiejun
2014-06-30 19:42 ` Stefano Stabellini
2014-07-01 2:19 ` Chen, Tiejun
2014-07-01 16:49 ` Stefano Stabellini
2014-07-01 18:34 ` Michael S. Tsirkin
2014-07-01 18:45 ` Michael S. Tsirkin
2014-06-25 2:17 ` [Qemu-devel] [v5][PATCH 5/5] xen, gfx passthrough: add opregion mapping Tiejun Chen
2014-06-25 7:13 ` Michael S. Tsirkin
2014-06-27 9:22 ` Chen, Tiejun
2014-06-29 11:43 ` Michael S. Tsirkin
2014-06-30 0:57 ` Chen, Tiejun
2014-06-25 6:19 ` [Qemu-devel] [v5][PATCH 0/5] xen: add Intel IGD passthrough support Paolo Bonzini
2014-06-25 7:15 ` Michael S. Tsirkin
2014-06-25 7:56 ` Paolo Bonzini
2014-06-25 7:35 ` Chen, Tiejun
2014-06-25 7:40 ` Michael S. Tsirkin
2014-06-25 7:44 ` Paolo Bonzini
2014-06-25 8:31 ` Michael S. Tsirkin
2014-06-25 8:39 ` Paolo Bonzini
2014-06-25 8:48 ` Michael S. Tsirkin
2014-06-25 8:55 ` Chen, Tiejun
2014-06-25 9:09 ` Michael S. Tsirkin
2014-06-25 9:21 ` Chen, Tiejun
2014-06-25 9:31 ` Paolo Bonzini
2014-06-25 9:50 ` Chen, Tiejun
2014-06-25 9:54 ` Paolo Bonzini
2014-06-25 10:00 ` Michael S. Tsirkin
2014-06-26 9:18 ` Chen, Tiejun
2014-06-26 10:03 ` Paolo Bonzini
2014-06-26 11:26 ` Michael S. Tsirkin
2014-06-26 11:30 ` Paolo Bonzini
2014-06-26 11:36 ` Michael S. Tsirkin
2014-06-26 13:30 ` Paolo Bonzini
2014-06-26 15:40 ` Michael S. Tsirkin
2014-06-30 2:51 ` Chen, Tiejun
2014-06-30 6:48 ` Michael S. Tsirkin
2014-06-30 7:24 ` Chen, Tiejun
2014-06-30 9:05 ` Michael S. Tsirkin
2014-06-30 9:38 ` Chen, Tiejun
2014-06-30 9:55 ` Michael S. Tsirkin
2014-06-30 10:20 ` [Qemu-devel] [Xen-devel] " Chen, Tiejun
2014-06-30 11:18 ` Paolo Bonzini
2014-06-30 11:31 ` Michael S. Tsirkin
2014-06-30 11:28 ` Michael S. Tsirkin
2014-07-01 2:40 ` Chen, Tiejun
2014-07-01 9:12 ` Michael S. Tsirkin
2014-07-01 9:46 ` Chen, Tiejun
2014-07-01 12:33 ` Michael S. Tsirkin
2014-07-02 0:59 ` Chen, Tiejun
2014-07-02 6:22 ` Michael S. Tsirkin
2014-07-02 8:45 ` Chen, Tiejun
2014-06-30 19:22 ` [Qemu-devel] " Stefano Stabellini
2014-06-30 19:31 ` [Qemu-devel] [Xen-devel] " Ross Philipson
2014-07-01 2:24 ` Chen, Tiejun
2014-07-01 5:39 ` Michael S. Tsirkin
2014-07-01 16:47 ` Stefano Stabellini
2014-07-01 17:02 ` Michael S. Tsirkin
2014-07-01 17:39 ` Ross Philipson
2014-07-01 18:06 ` Michael S. Tsirkin
2014-07-01 19:29 ` Ross Philipson
2014-07-02 6:11 ` Michael S. Tsirkin
2014-07-02 7:56 ` Chen, Tiejun
2014-07-02 11:33 ` Paolo Bonzini
2014-07-02 14:00 ` Konrad Rzeszutek Wilk
2014-07-02 14:07 ` Stefano Stabellini
2014-07-03 3:00 ` Chen, Tiejun
2014-07-03 18:25 ` Konrad Rzeszutek Wilk
2014-07-02 14:08 ` Michael S. Tsirkin
2014-07-02 16:05 ` Konrad Rzeszutek Wilk
2014-07-02 17:58 ` Michael S. Tsirkin
2014-07-02 14:50 ` [Qemu-devel] ResettRe: " Paolo Bonzini
2014-07-02 15:12 ` Michael S. Tsirkin
2014-07-02 19:33 ` Alex Williamson
2014-07-02 16:23 ` Konrad Rzeszutek Wilk
2014-07-02 16:27 ` Paolo Bonzini
2014-07-02 16:53 ` Michael S. Tsirkin
2014-07-03 7:32 ` Michael S. Tsirkin
2014-07-03 18:26 ` Konrad Rzeszutek Wilk
2014-07-03 19:09 ` [Qemu-devel] [Intel-gfx] " Jesse Barnes
2014-07-03 20:27 ` Michael S. Tsirkin
2014-07-16 14:20 ` Konrad Rzeszutek Wilk
2014-07-17 9:42 ` Chen, Tiejun
2014-07-17 17:37 ` Kay, Allen M
2014-07-18 13:44 ` Konrad Rzeszutek Wilk
2014-07-19 0:27 ` Kay, Allen M
2014-07-23 20:54 ` Konrad Rzeszutek Wilk
2014-07-24 1:44 ` Chen, Tiejun
2014-07-25 17:01 ` Konrad Rzeszutek Wilk
2014-07-29 6:59 ` Chen, Tiejun
2014-07-29 8:32 ` Paolo Bonzini
2014-07-29 9:14 ` Chen, Tiejun
2014-07-04 6:28 ` Paolo Bonzini [this message]
2014-07-06 6:08 ` [Qemu-devel] " Michael S. Tsirkin
2014-07-02 15:15 ` [Qemu-devel] " Ross Philipson
2014-07-02 15:27 ` Michael S. Tsirkin
2014-07-02 16:29 ` Paolo Bonzini
2014-07-02 16:45 ` Konrad Rzeszutek Wilk
2014-07-02 18:00 ` Michael S. Tsirkin
2014-07-03 5:57 ` Chen, Tiejun
2014-07-03 6:40 ` Michael S. Tsirkin
2014-07-01 18:20 ` Stefano Stabellini
2014-07-01 18:38 ` Michael S. Tsirkin
2014-07-02 1:37 ` Chen, Tiejun
2014-07-02 6:09 ` Michael S. Tsirkin
2014-07-02 7:51 ` Chen, Tiejun
2014-06-25 9:55 ` [Qemu-devel] " Michael S. Tsirkin
2014-06-25 9:59 ` Paolo Bonzini
2014-06-25 10:06 ` Chen, Tiejun
2014-06-25 10:21 ` Michael S. Tsirkin
2014-06-25 10:28 ` Chen, Tiejun
2014-06-25 10:32 ` Michael S. Tsirkin
2014-06-25 10:37 ` Chen, Tiejun
2014-06-25 10:55 ` Michael S. Tsirkin
2014-06-25 12:11 ` Paolo Bonzini
2014-06-25 13:47 ` Michael S. Tsirkin
2014-06-25 13:53 ` Paolo Bonzini
2014-06-25 14:10 ` Michael S. Tsirkin
2014-06-25 14:16 ` Paolo Bonzini
2014-06-25 14:26 ` Michael S. Tsirkin
2014-06-25 10:09 ` Michael S. Tsirkin
2014-06-25 10:14 ` Paolo Bonzini
2014-06-25 10:15 ` Chen, Tiejun
2014-06-25 10:28 ` Michael S. Tsirkin
2014-06-25 9:43 ` Michael S. Tsirkin
2014-07-08 10:45 ` [Qemu-devel] [Xen-devel] " Andrew Barnes
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