Re: [Xen-users] usbback?

[Mark Williamson <mark.williamson@xxxxxxxxxxxx>]

>       Just wondering, is there any way to forward individual USB devices
> to domU's?

There was once, and one day there will be again.

>       My desktop has a USB PCI card (2 ports) and onboard USB (8 ports);
> I'd like dom0 and two domU's to all have direct hardware access to
> various USB devices (mostly keyboards and mice; I've gotten my
> graphics cards to forward to the domU's via the published NVidia hack).
>
>       Right now, the onboard USB only works in dom0; it breaks painfully
> when I try to use it in a domU.  Otherwise, I'd just give one USB
> device to each domU and let dom0 deal with PS/2 keyboards/mice and no
> USB devices.

USB add-in cards, at least, have been reported successfully assigned to domUs 
using PCI passthrough.

The USB back / front driver went out of date because it couldn't work once the 
2.4 kernel support was broken.  Expect a new 2.6-compatible driver to appear 
at some point in the future, but workarounds will be necessary for the 
meantime.

I think the HVM guests can have access to virtual USB - and possibly real - 
devices, via QEmu's support for that, though...

HTH,
Mark

-- 
Dave: Just a question. What use is a unicyle with no seat?  And no pedals!
Mark: To answer a question with a question: What use is a skateboard?
Dave: Skateboards have wheels.
Mark: My wheel has a wheel!

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