Greetings and many thanks for a very interesting looking project.

Has anyone done any work with USB within a Jailhouse instance? 

Our use case is one where a bare metal task is locked to the micro-frame tick 
on the USB controller. At this stage simple bulk mode transfers would be 
sufficient, a full device stack not required at all.

The host hardware is x64 and (almost certainly) an XHCI controller. For 
simplicity at this stage the model would be polled with PIO transfers. 

So, more specifically, is this 'simply' a case of configuring the cell to 
include the XHCI register mapping? 

Does anything more have to be done for the host? At the risk of sounding 
terribly simplistic, is it a matter of disabling (or not loading) the relevant 
driver(s)?

Any pointers or input much appreciated

BR,

J.

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