Re: [virtio-comment] About the plan of Admin Queue

[Xuan Zhuo <xuanzhuo@linux.alibaba.com>]

On Mon, 3 Jul 2023 16:10:18 +0800, Jason Wang <jasowang@redhat.com> wrote:
> On Fri, Jun 30, 2023 at 1:59âPM Xuan Zhuo <xuanzhuo@linux.alibaba.com> wrote:
> >
> > On Tue, 20 Jun 2023 16:11:12 +0800, "Zhu, Lingshan" <lingshan.zhu@intel.com> wrote:
> > >
> > >
> > > On 6/20/2023 2:44 PM, Xuan Zhuo wrote:
> > > > Hi,
> > > >
> > > > hi, I would want to know some plans and progress about admin queue.
> > > >
> > > > At the current spec, it seems that there is only one framework and no
> > > > specific commands. I'd like to know if anyone is currently working on this and
> > > > what the plans are.
> > > >
> > > > We also faced some similar issues, and we think admin queue is a good way to
> > > > manage sr-iov.
> > > >
> > > >
> > > > Thanks.
> > > I plan to rebase original transport vq on admin vq.
> > >
> > > https://lists.oasis-open.org/archives/virtio-comment/202208/msg00140.html
> >
> >
> > I review the patch, that is for S-IOV, right?
>
> It is not limited to SIOV. So you won't see any SIOV terminology in
> the proposal.


I got.


>
> >
> > I think it is good.
> >
> > I would if all is configured by the transport vq/admin vq from the OS?
>
> One thing to clarify is that, we will define a set of admin commands,
> and admin virtqueue is one interface for that. The admin commands is
> designed to be more general to be carried via other type of interfaces
> (if not, let's fix):
>
> 1) MMIO
> 2) Other transport that already use DMA
> 3) software IPC


Great!!

Thanks.


>
> Thanks
>
> >
> > Can we create a managed dev from the backend?
> >
> > Such as, the DPU sends a command to the driver, then the driver creates a new
> > managed dev.
> >
> > Thanks.
> >
> >
> > >
> > > Thanks,
> > > Zhu Lingshan
> > > >
> > > >
> > > >
> > > >
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