[Xen-users] Pass through multiple USB Devices

["Nick Couchman" <Nick.Couchman@xxxxxxxxx>]

So, now that I've determined that PCI pass-through requires VTd, I'm looking 
into USB pass-through to get serial ports from my dom0 to my HVM domUs.  My 
first question is this: has there been any progress made in the current stable 
versions of Xen on passing through multiple USB devices?  How about the 
unstable versions?  Since my domUs will be Windows-based, it's annoying to have 
to give up the absolute mouse point support (usbdevice=tablet) just so I can 
forward a USB device through.  Furthermore, if I have multiple USB-to-Serial 
devices attached to my dom0 that I need passed through to my domU, can I do 
that?

I've also seen a couple of posts that allude to some sort of patch for the Xen 
code that enables multiple USB pass through - can anyone confirm this and point 
me in the right direction?

Thanks!
-Nick



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