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From: Laurent Vivier <Laurent.Vivier-6ktuUTfB/bM@public.gmane.org>
To: Anthony de Almeida Lopes <tl-9ppiOi6qtBWfG3DagfIdxQ@public.gmane.org>
Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Subject: Re: Hacking QEMU/KVM to use unused graphics adapters
Date: Thu, 11 Oct 2007 10:16:05 +0200	[thread overview]
Message-ID: <470DDBC5.90401@bull.net> (raw)
In-Reply-To: <470DC5F4.80807-9ppiOi6qtBWfG3DagfIdxQ@public.gmane.org>


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Anthony de Almeida Lopes wrote:
> I was curious if anyone thinks that it may be possible to get a 
> KVM-patched QEMU to use a real video card? For example, let's say I had 
> a second video card. Is QEMU/kvm a codebase which would support hacking 
> in the ability to utilize this second video card (one not utilized by 
> the host Linux)? And in the situation of a laptop, would it be possible 
> to boot the host Linux in a way that it would not utilize the video 
> card, but get a qemu guest to use it?
> Theoretically, there's no reason this isn't possible, right?

We need something like a "PCI proxy" allowing to route some I/O to virtual PCI
devices and others to real PCI devices. Moreover we must be able to inform host
kernel to not manage a given PCI card (or be able to hot unplug it from host
kernel PCI structures)

Laurent
-- 
---------------- Laurent.Vivier-6ktuUTfB/bM@public.gmane.org  -----------------
"Given enough eyeballs, all bugs are shallow" E. S. Raymond


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  parent reply	other threads:[~2007-10-11  8:16 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-10-11  6:43 Hacking QEMU/KVM to use unused graphics adapters Anthony de Almeida Lopes
     [not found] ` <470DC5F4.80807-9ppiOi6qtBWfG3DagfIdxQ@public.gmane.org>
2007-10-11  8:16   ` Laurent Vivier [this message]
     [not found]     ` <470DDBC5.90401-6ktuUTfB/bM@public.gmane.org>
2007-10-11  8:32       ` Dor Laor
     [not found]         ` <470DDF9F.6040509-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-10-11  8:40           ` Laurent Vivier
     [not found]             ` <470DE18F.1080901-6ktuUTfB/bM@public.gmane.org>
2007-10-11 10:36               ` Muli Ben-Yehuda
     [not found]                 ` <20071011103648.GP4335-WD1JZD8MxeCTrf4lBMg6DdBPR1lH4CV8@public.gmane.org>
2007-10-11 13:19                   ` Anthony de Almeida Lopes
     [not found]                     ` <47152328.3070708@qumranet.com>
     [not found]                       ` <47152328.3070708-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2008-01-16 12:05                         ` Anthony de Almeida Lopes
     [not found]                           ` <478DF2FA.3070406-9ppiOi6qtBWfG3DagfIdxQ@public.gmane.org>
2008-01-16 23:03                             ` Dor Laor

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