Re: [Qemu-devel] Feature proposal: USB devices over TCP

["Eduardo Felipe" <edusaper@gmail.com>]

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Hi Anthony,

I don't know all that much about USB, but I think the most useful way to
> do this would be to do something that's protocol compatible with USBIP.


Neither I do. I didn't know anything about USB/IP, it would be cool to be
protocol compatible with it. As we have to start from scratch, USB/IP can be
a very good reference.

We could then tunnel this traffic over VNC and allow for exposing local
> USB devices to a remote VM.


I don't think that tunneling traffic through VNC is possible. In QEMU the
VNC implementation is asynchronous, while the USB layer expects an immediate
response to any request.

Think of a virtual desktop being hosted on a server and exposed on a
> thin client.  If you could plug in your iPod and it would just work with
> the VM, that would be an exceedingly cool feature.
>
> Are you familiar with USBIP?  If so, does this sound reasonable?


It would be cool indeed. Maybe some wrapper around libusb could do the trick
for host OSes where no USB/IP server is available.

I'll have a look at USB/IP.

Regards,
Eduardo Felipe

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