RE: [Xen-users] usb passthrough

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

> 
> I wonder why it's limited to 1.1 i would imagine that is a hard coded
> limit but given a faster system shouldn't the emulation be faster? Who
> could shed more light on why?
> 

Well if it talks to the device in '1.1 mode' then the limit will still apply.

At a guess, maybe the 1.1 hardware interface is a bit simpler? I suspect that 
they already implemented USB 1.1 to support the mouse and tablet interface, and 
passthrough was not much harder, but 2.0/3.0 implementation would have been a 
lot more work.

James

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