[virt-tools-list] Any Interest in GPU Pass-through UI Enhancements for Virtual Machine Manager?

[Chen Hanxiao]

At 2017-04-21 01:29:08, "Clif Houck" <me at clifhouck.com> wrote:
>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. 
>

Passthrough a GPU is similar to passthrough a regular PCI device.
If supported, libvirt will take vfio as its first choice.

So actually virt-manager already support GPU passthrough.

>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. 
>

Maybe we could add a multifunction checkbox on PCI selection window.

Regards,
- Chen

>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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