Re: [Xen-devel] Questions about PCI passthrough in Xen

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Tue, Jan 27, 2009 at 03:10:16PM -0500, River Wang wrote:
> Hi:
> 
> I am trying to understand the current pass-through device in Xen.  To
> my understanding, Xen can hide a PCI device from Dom 0 and exclusively
> assign it to a guest OS (dom U), right?
> Does Xen support to assign one device to multiple guest OSes? Does
> current pass through require Intel -VT or AMD SVM? Where is the source
> file for the pass-through function? Is it in xen/drivers/passthrough?
>

Xen PCI passthrough to PV guests is supported without VT/VT-d, and has
been available for a while.. 

Xen PCI passthrough to HVM guests (Windows) requires VT-d (in addition to VT)
and more recent version of Xen.

-- Pasi

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel