RE: proposal: use admin command (and aq) of the device to query config space

[Parav Pandit <parav@nvidia.com>]

> From: Michael S. Tsirkin <mst@redhat.com>
> Sent: Wednesday, August 2, 2023 5:24 PM

> > 2. Build SIOV device ground up that does not need to have existing limitations
> of 1.x.
> >
> > The transport VQ proposal 4 patches had heavy inclination for #1 without
> mentioning the real objective in the cover letter.
> > I was proposing that when virtio builds SIOV device it should start with #2.
> > Because #1 is sort of handled with sr-iov or vdpa already.
> >
> > #2 is more critical to get it right, after SIOV R2 spec is defined.
> 
> 
> Can't we address both? E.g. use a different group type.

SIOV device is just one type, serving two kinds of commands one for supporting backward compat, second for newer interface.