RE: [Xen-users] Pass through multiple USB Devices

["James Harper" <james.harper@xxxxxxxxxxxxxxxx>]

> >>> On 2009/10/01 at 06:08, "James Harper"
<james.harper@xxxxxxxxxxxxxxxx>
> wrote:
> >>  A couple of follow-up questions:
> >> 1) Does this require changes to the code in the dom0 or the Xen
code
> > (Xen
> >> itself, qemu-dm, etc.)?
> >
> > No, only the updated drivers from noboru which he hasn't yet
released.
> 
> Sorry if I'm being dense, but are these for dom0 or for Linux-based
domUs?
> 

There is a frontend and backend driver, just like block and network
drivers.

> >
> >> 2) Are the drivers included in the currently available GPLPV
release?
> > Or are
> >> they just in the current code repository?
> >
> > Both are reasonably current.
> 
> I might have been unclear about this - I was trying to ask if the
drivers that
> are posted right now already include the code for multiple USB device
support,
> or if that's something you're testing on your own and have not
released, yet?

The drivers in hg and binary format are the best I have right now, they
just don't work very well :)

> >
> > I just tried plugging a keyboard in and it doesn't appear to work,
so
> > I'm doing something wrong. It enumerates 2 devices, one of which
ends up
> > in an error state. There is a huge amount of USB packets that I'm
not
> > yet supporting, I've only been testing against a USB memory stick to
get
> > it this far.
> >
> > James
> 
> So, what's the domU configuration syntax for multiple USB devices
(e.g.
> usbdevice=??)?
> 

'xm' and config file integration isn't working yet. You need to muck
around with command line scripts to make it work. 

http://www.nabble.com/-RFC--PATCH-0-4--PVUSB:-add-paravirtualized-USB-su
pport-for-Xen-td22550607.html

James

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