Re: can KVM do pci-mapping like xen?

[Anthony Liguori <aliguori-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>]

Mathijs Kwik wrote:
> Hello,
>
> One of the features of xen that I find really interesting is the
> ability to "map" pci slots straight to the guest OS.
>
> I just recently got myself a VT-capable processor, so I started looking around.
>
> Since my mainboard supports 2x PCI-Ex16, I bought 2 GFX-cards.
> I normally use 3 monitors using xinerama.
>
> My idea/hope is that I can "map" one of my GFX-cards to the guest-os
> (windows), so there is no emulation on that. This way I can play some
> windows-games without rebooting.
>
> Xen claims to support this.
>   

Xen doesn't support this.  It requires IOMMU support (the hardware is 
not widely available at the moment).

Xen supports passing PCI devices to *paravirtual* domains.  Windows 
won't run paravirtualized.

Regards,

Anthony Liguori

> Is there any chance KVM will do this too?
> Greetings.
>
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http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642