[virtio-dev] Re: [PATCH v2 0/2] transport-pci: Introduce legacy registers access using AQ

Michael S. Tsirkin
2023-05-11T13:45:22Z

On Thu, May 11, 2023 at 01:15:15PM +0000, Parav Pandit wrote:
> > Why not simply invent individual commands to access legacy facilities like
> > commands to access like what transport virtqueue did for modern
> > device?:
> >
> I don’t see how this is being any different than register-offset interface.

For example legacy device config's offset moves depending
on MSI enable. Which is a missing piece in the current
proposal btw as I keep saying.

Setting a flag or using a separate command for device config
does indeed sound cleaner.
--
MST