Hi virt-tools,

I've been playing around with vfio and GPU pass-through for a while now, and 
I've noticed that the Virtual Machine Manager UI makes it a bit difficult to 
configure a VM properly to use GPU pass-through, and by extension PCI 
pass-through. 

For instance, I don't see a way to pass a multi-function PCI device with 
"multifunction='on'" or make sure that functions on the same host PCI device 
get mapped to the same guest PCI device. At least not with VMM. 

Would VMM maintainers be interested in patches aimed towards making GPU 
pass-through easier to accomplish from within VMM? May not be able to make it 
fool-proof, but hopefully a bit easier at least.

Thanks,
Clif Houck

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