>
From: David Edmondson <>
> Sent: Tuesday, August 15, 2023 2:44 PM
> >
>
> If a virtio device is a group member device, it must be possible to query
> supported counters bitmap through the group owner device.
>
> The group owner driver should be able to query such bitmap using
> administration command.
> >
>
> Notice that group owner only cares for the supported bitmap, no need to
> query the counters through this interface.
>
> Why do we think this is the case? It would be useful for a group owner to be
> able to see the statistics as they are being reported to the member consumer.
>
I agree, it is useful.
For LM scenario, ability to query supported bit is minimum needed, actual counters is nice to have.
Usually the actual counters are located where the switch is located.
>
> With this we can reuse single structure across AQ and CVQ to learn about
> supported bitmap in v14 patch from Xuan.
>
> Makes sense.
> --
> I'm not living in the real world, no more, no more.
