Re: Hacking QEMU/KVM to use unused graphics adapters

[Laurent Vivier <Laurent.Vivier-6ktuUTfB/bM@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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