Re: [Xen-users] usb passthrough

[chris <tknchris@xxxxxxxxx>]

James,

Any idea what version it broke at? Do you need help with testing? I'd
be willing to help you if I can.

- chris

On Sat, Feb 27, 2010 at 10:31 AM, Pasi Kärkkäinen <pasik@xxxxxx> wrote:
> On Sat, Feb 27, 2010 at 10:15:12AM -0500, chris wrote:
>> My understanding of PVUSB is that it was only for PV domains though
>> correct? Looked through the links and can't find anything confirming
>> or denying that.
>>
>
> pvusb is not only for PV guests. It also works with HVM guests.
>
> For both PV and HVM guests it requires the pvusb frontend driver in the guest 
> kernel.
> For Windows the GPLPV drivers have pvusb frontend, but it's not in a working 
> state atm, afaik.
>
> -- Pasi
>
>> - chris
>>
>> On Sat, Feb 27, 2010 at 7:49 AM, Pasi Kärkkäinen <pasik@xxxxxx> wrote:
>> > On Fri, Feb 26, 2010 at 10:26:29PM -0500, Chris wrote:
>> >> That makes sense however one would think USB 2.0 support would be a good
>> >> feature to have. There's quite a bit of people looking to utilize pci
>> >> passthrough and I'd imagine USB passthrough would be similarly useful
>> >>
>> >
>> > That's why pvusb was developed.. it allows usb 2.0 speeds/functionality :)
>> >
>> > -- Pasi
>> >
>> >> Sent from my iPhone
>> >>
>> >> On Feb 26, 2010, at 7:36 PM, "James Harper"
>> >> <james.harper@xxxxxxxxxxxxxxxx> wrote:
>> >>
>> >>>>
>> >>>> I wonder why it's limited to 1.1 i would imagine that is a hard coded
>> >>>> limit but given a faster system shouldn't the emulation be faster?
>> >>>> Who
>> >>>> could shed more light on why?
>> >>>>
>> >>>
>> >>> Well if it talks to the device in '1.1 mode' then the limit will still
>> >>> apply.
>> >>>
>> >>> At a guess, maybe the 1.1 hardware interface is a bit simpler? I
>> >>> suspect that they already implemented USB 1.1 to support the mouse and
>> >>> tablet interface, and passthrough was not much harder, but 2.0/3.0
>> >>> implementation would have been a lot more work.
>> >>>
>> >>> James
>> >
>

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