Re: [Xen-users] usb passthrough

[chris <tknchris@xxxxxxxxx>]

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?

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
>
>
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