Re: [PATCH v8 4/6] docs: Add Documentation for Mediated devices

Paolo Bonzini
2016-10-13T16:00:07Z

On 13/10/2016 16:36, Alex Williamson wrote:
>> >
>> > Libvirt would have parent and type_id in XML. No two vendors can own
>> > same parent device. So I don't think vendors would collide even having
>> > same type_id, since <parent, type_id> pair would always be unique.
>
> We have a goal of supporting migration with mdev devices, Intel has
> already shown this is possible. Tying the XML representation of an
> mdev device to a parent device is directly contradictory to that goal.
> libvirt needs a token which is unique across vendor to be able to
> instantiate an mdev device. <parent, type_id> is unacceptable.

Would the vGPU's PCI vendor and device ID be acceptable and unique?

Paolo