Re: [Xen-devel] Xen 4.3 development update

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Tue, Oct 02, 2012 at 03:32:41PM +0100, Ian Campbell wrote:
> 
> > >  * 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.
> > 
> > I think this is just a matter of plumbing in libxl (presumably, now,
> > plumbing to qemu-upstream).
> 
> Assuming qemu-upstream has the necessary feature...
> 

Yes, qemu-upstream supports host USB device pass-through.

references:
http://www.linux-kvm.org/page/USB_Host_Device_Assigned_to_Guest
http://david.wragg.org/blog/2009/03/using-usb-pass-through-under-libvirt.html
http://david.wragg.org/blog/2009/03/usb-pass-through-with-libvirt-and-kvm.html

So basicly the qemu cmdline needs to have:
-usb -usbdevice host:xxxx:yyyy


-- Pasi


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