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Subject: Re: [PATCH 1/5] Add virtio Admin Virtqueue specification
On Mon, Jan 17, 2022 at 02:12:33PM +0000, Parav Pandit wrote: > > > From: Michael S. Tsirkin <mst@redhat.com> > > Sent: Thursday, January 13, 2022 11:24 PM > > > > > We had an off-list meeting where I proposed addressing one device from > > another or grouping multiple devices as a more specific scope. That would be > > one way to address this. > > > > Following this idea, all commands would then gain fields for addressing one > > device from another. > > > Can you please explain your idea more and a need for grouping? > What do you want to group? VFs of parent pci device? > How to refer to each VF within a group? So for example, VFs of a PF are a group right? And they are all controlled by a PF. I can think of setups like nesting where we might want to create a group of VFs and pass them to L1, one of the VFs to act as an admin for the reset of them for purposes of L2. subfunctions with PASID etc are another example. I am not asking you to add such mechanisms straight away but the current proposal kind of obscures this to the point where I don't see how would we extend it with these things down the road. > If you have notes of the off-list meeting, it will be useful for us to read through. Sorry didn't take notes. -- MST
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