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Re: [Xen-devel] [PATCH RFC V2 0/5] pvusb toolstack work

On Wed, Jan 28, 2015 at 03:51:03PM +0000, Ian Campbell wrote:
> On Mon, 2015-01-19 at 16:28 +0800, Chunyan Liu wrote:
> > This patch series is based on Simon's work. Since there is no progress
> > after last August, I hope we can make this work proceed. Any comment will
> > be very appreciated.
> > 
> > It adds pvusb toolstack implementation, with pvusb kernel side work,
> > one could attach/detach a usb device to guest.
> By any chance do you (or anyone else) have a link handy to the design
> discussions for this stuff around the start of last year?
> In particular I'm hoping for some reminder on what the
> libxl_usbctrl_type / libxl_usb_type options mean.

George probably knows/remembers the best.. 

> Although this is PV USB only I think the intention was to leave a
> suitable hole for HVM emulated USB support. Or am I mis-remembering?

PVUSB should work with both PV and HVM guests, as long as the required PV 
drivers are in the domU kernel.

-- Pasi

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