Re: [Xen-devel] Xen 4.3 development update

[George Dunlap <George.Dunlap@xxxxxxxxxxxxx>]

On Mon, Oct 1, 2012 at 5:42 PM, Pasi Kärkkäinen <pasik@xxxxxx> wrote:
> On Mon, Oct 01, 2012 at 05:25:43PM +0100, George Dunlap wrote:
>>
>> * xl USB pass-through for PV guests
>>   owner: ?
>>   status: ?
>>   - Port the xend PV pass-through functionality to xl.
>>   - Make sure qemu-based USB with qemu-upstream works
>>   - Upstream the Linux frontend/backend drivers
>>
>
> I think this should be split into two separate tasks:

That does make sense.  I've updated my notes accordingly.

Just to verify: xm/xend *already* supports both PVUSB and passthrough via QEMU?

 -George

>
>  * xl PVUSB pass-through for both PV and HVM guests
>    owner: ?
>    status: ?
>    - xm/xend supports PVUSB pass-through to guests with PVUSB drivers (both 
> PV and HVM guests).
>    - port the xm/xend functionality to xl.
>    - this PVUSB feature does not require support or emulation from Qemu.
>    - upstream the Linux frontend/backend drivers. Current work-in-progress 
> versions are in Konrad's git tree.
>    - James Harper's GPLPV drivers for Windows include PVUSB frontend drivers.
>
>  * xl USB pass-through for HVM guests using Qemu USB emulation
>    owner: ?
>    status: ?
>    - xm/xend with qemu-traditional supports USB passthrough to HVM guests 
> using the Qemu emulated USB controller.
>    - port the xm/xend functionality to xl.
>    - make sure USB passthrough with xl works with both qemu-traditional and 
> qemu-upstream.
>    - The HVM guest does not need any special drivers for this feature.
>
>
> -- Pasi
>
>
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