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xen-devel
Re: [Xen-devel] USB virtualization question
> Thanks a lot for your reply. But what I really want to know is the
> feasibility of differentiating
> multiple USB ports and restrict ,say, USB port1 to be accessed by a
> specified virtual machine.
You can give different USB ports to different domains. This should work even
for devices on hubs.
> Your reply sounds like differentiation is doable, but whether you
> can do access control on certain ports is undetermined. Is my
> interpretation right?
Something else we'd like to have (which I think Harry was referring to) is the
ability to associate *particular devices* with a virtual machine and give it
access to them regardless of where you plug in. E.g. your domain will get
access to your digital camera, no matter when / where you plug it in. We'd
like to build this in later.
Cheers,
Mark
>
> Thanks,
> -x
>
> On Fri, 6 May 2005, Harry Butterworth wrote:
> > On Fri, 2005-05-06 at 02:46 -0400, Xin Zhao wrote:
> > > Is it possible to differentiate multiple USB ports and assign one port
> > > to be used only by a specified virtual machine when doing usb
> > > virtualization?
> >
> > This is the intended behaviour of the current 2.4 code and the 2.6 code
> > I'm working on will also implement this behaviour. There is a question
> > as to whether we want to be able to assign specific devices to virtual
> > machines when they are plugged in regardless of the port. This feature
> > might be added later.
> >
> > I've only tested the 2.4 code with one device and one front end domain
> > though so I can't guarantee it actually works.
> >
> > > As USB devices are enumerated, I don't see a way to do that.
> > >
> > > Any insignts on this issue?
> > >
> > > Thanks in advance!
> > >
> > > -x
> > >
> > > _______________________________________________
> > > Xen-devel mailing list
> > > Xen-devel@xxxxxxxxxxxxxxxxxxx
> > > http://lists.xensource.com/xen-devel
> >
> > _______________________________________________
> > Xen-devel mailing list
> > Xen-devel@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-devel
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel
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