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Re: [Xen-devel] Questions about PCI passthrough in Xen
| To: | River Wang <jwangzju@xxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] Questions about PCI passthrough in Xen |
| From: | Pasi Kärkkäinen <pasik@xxxxxx> |
| Date: | Tue, 27 Jan 2009 22:48:34 +0200 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Tue, 27 Jan 2009 12:49:00 -0800 |
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| In-reply-to: | <77e29ea90901271210n452420c3he1d3eb88da63e221@xxxxxxxxxxxxxx> |
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| User-agent: | Mutt/1.5.13 (2006-08-11) |
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 |
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