[virtio-dev] RE: [virtio-comment] Re: [PATCH 09/11] transport-pci: Describe PCI MMR dev config registers

Parav Pandit
2023-04-17T20:28:52Z

> From: Michael S. Tsirkin <mst@redhat.com>
> Sent: Monday, April 17, 2023 4:27 PM
> On Mon, Apr 17, 2023 at 05:23:30PM +0000, Parav Pandit wrote:
> > > Things might be simplified if we use separate queues for admin,
> > > transport and legacy.
> > >
> > Do you mean say we have three AQs, AQ_1, AQ_2, and AQ_3;
> > AQ_1 of the PF used by admin work as SIOV device create, SRIOV MSIX
> configuration.
> > AQ_2 of the PF used for transporting legacy config access of the PCI
> > VF
> > AQ_3 of the PF for some transport work.
> >
> > If yes, sounds find to me.
>
> Latest proposal simply leaves the split between AQs up to the driver.
> Seems the most flexible.
Yes. It is. Different opcode range and multiple AQs enable to do so.