Re: [updated] Re: [Xen-devel] [PATCH] USB virtualisation (experimental)

[Adam Heath <doogie@xxxxxxxxxxxxx>]

On Fri, 14 Jan 2005, Mark Williamson wrote:

> All,
>
> I have updated the USB virtualisation patch at:
> http://www.cambridge.intel-research.net/~mwilli2/xen-2.0-testing-usb.patch
>
> Description:
> * Give guest operating systems under Xen access to USB devices plugged into
> the host.  Adds a backend driver (for domain 0), a frontend driver (for
> guests) and extra support code in the tools.
>
> Features:
> * USB mass storage devices are now fully working (new!)
> * USB isochronous transfers (larger buffers now supported, provided they are
> machine-contiguous)
>
> Still to do:
> * proper support for hot plugging of the physical devices
> * stronger checking for iso transfers in the backend
> * a little more work needed to make it work for all USB devices
> * iron out a few lingering backend bugs
>
> I'm intending to get this all done as soon as possible and then push into the
> -unstable tree.

Could it be possible to emulate a USB device in dom0 userspace?


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