Re: [Xen-devel] Xen 4.3 development update

[Pasi Kärkkäinen <pasik@xxxxxx>]

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:

 * 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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