On Fri, Oct 29, 2021 at 10:32:03AM +0000, Shameerali Kolothum Thodi wrote:

Just trying to follow the thread here. The above situation where MMIOs can be
further poked in the !RUNNING state, do you mean poking through P2P or
Guest/Qemu can still do that? I am just trying to see if the current uAPI fits well
within the use case where we don't have any P2P scenario and the assigned dev
is behind the IOMMU.

The way it is today any VFIO user can poke MMIO while in the !RUNNING
state, no P2P needed, just write to the mmap.

Jason