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Subject: RE: [virtio-comment] [PATCH requirements v4 1/7] net-features: Add requirements document for release 1.4

> From: David Edmondson <david.edmondson@oracle.com>
> 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.

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