Re: [Xen-users] usb passthrough

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Fri, Feb 26, 2010 at 10:00:34AM -0500, chris wrote:
> He said it was a HVM guest. I don't think you can passthrough to a hvm
> domain anything except usb storage with pvusb, correct?
> 

pvusb is different from the 'normal' usb=1 / usbdevice = [] stuff..

I'm not totally sure what devices are supported with pvusb and with the normal 
usb passthrough.

-- Pasi

> On Fri, Feb 26, 2010 at 9:49 AM, Pasi Kärkkäinen <pasik@xxxxxx> wrote:
> > On Fri, Feb 26, 2010 at 09:49:38AM -0300, Sergio Charpinel Jr. wrote:
> >> Hi,
> >>
> >> I want to use a webcam in a HVM guest, but my dom0 doesnt support VT-d
> >> (just VT).
> >>
> >
> > USB passthrough doesn't require VT-d, it's only required for PCI device
> > passthrough to HVM guests.
> >
> >> I tried passing the parameters usb=1 and usbdevice = [ '..' ] and I
> >> could see an usb device in domU. But it does not know which device is.
> >>
> >> Which are the possibilites to do that? I prefer to use hvm machines,
> >> but if it is not possible, with PV machines it can work?
> >>
> >
> > With PV guest you could passthrough the whole USB controller (the PCI 
> > device)..
> >
> > -- Pasi
> >
> >
> > _______________________________________________
> > Xen-users mailing list
> > Xen-users@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-users
> >

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