> From: <-
> open.org> On Behalf Of Michael S. Tsirkin
> Sent: Thursday, October 12, 2023 6:33 PM
>
> On Thu, Oct 12, 2023 at 11:37:01AM +0000, Parav Pandit wrote:
> > As Michael said, software based nesting is used..
> > See if actual hw based devices can implement it or not. Many components of
> cpu cannot do N level nesting either, but may be virtio can.
> > I donât know how yet.
>
> It is worth pondering though. Can you give it some thought?
Yes.
Device context and dirty tracking can be used mostly as_is.
It needs some different set of commands as one cannot stop/freeze the device.
> I am thinking of a special bar region (or a couple) through which admin
> command structure can be exposed, and a special group type that refers to
> same pci function.
Yes, this can be an option as additional way for non_passthrough mode.