[virtio-dev] RE: RE: RE: RE: [virtio-comment] RE: RE: RE: RE: [RFC] virtio-net: support access and control the member devices

Parav Pandit
2023-08-04T14:12:50Z

> From: Michael S. Tsirkin <mst@redhat.com>
> Sent: Friday, August 4, 2023 7:37 PM

> > True, for us, at this point we do not have plan to expose virtio switch device
> because users are not blocked on it.
>
> If someone does though I see no reason not to - we have a variety of devices,
> switch would be just another one. The motivation would be the usual one for
> virtio - so there's one generic driver.
>
Sure.

> > > Re:queues - it's not by chance that we have multiple admin queues.
> > > So driver can dedicate one queue to filtering commands if that's
> > > felt to be important.
> > >
> > Admin queue currently do not send non admin command of the device.
> > Would you propose admin queue for something else also for rtc or console or
> cryto device and indicate its role so device can understand what is coming to it.
>
> Well, I guess this switch has group members as its "ports" so maybe that makes
> it like an admin command. Again it's all up in the air too much to be able to
> judge.

Flowvq is needed for non switch device too.
It has advanced to design stage now, its sad that you are no following it.
Anyways, flow operations is not a admin command.
I don't find admin queue suitable for self unless we modify its definitions a lot.