Re: [Xen-users] GPLPV / Passing devices to HVM

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Mon, Jun 16, 2008 at 08:31:00PM +0200, Joti Mail wrote:
> Hello everyone,
> 
> just wondered after I read about devices passed through in HVM if the 
> following if still true: (for Xen3.2.1)
> 
> - a Domain running in HVM cannot get forwarded any other device than a 
> USB device.
> - the USB device forwarding is not too stable
> - PCI forwarding is not possible without processor support and Xen support.

Yes, you need VT-d support in your CPU/chipset.. and in Xen.

> - The GPLPV tools won't change anything with that.
> 

GPLPV drivers won't help with that.. that's true. but they might make it
more difficult (GPLPV drivers might hide too many devices, ie. not just the
QEMU devices, but also VT-d pasthrough devices..)

> Because if forwarding PCI devices to Xen HVM DomU would be possible that 
> would be highly cool because it would enable me to use a PCIe-card that 
> is definitly not supported with Linux in a Windows DomU where it is 
> supported quite well.
> 
> Thanks a lot for your information refresh :D
> 

-- Pasi

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