On Tue, Mar 18, 2025 at 09:31:35PM -0300, Jason Gunthorpe wrote: > On Tue, Mar 18, 2025 at 07:31:36PM +0100, Eric Auger wrote: > > Nevertheless I don't think anything prevents the acceleration granted > > device from also working with virtio/vhost devices for instance unless > > you unplug the existing infra. > > If the accel mode is using something like vcmdq then it is not > possible to work since the invalidations won't even be trapped.
Yea, I totally forgot that.. All the invalidation commands that belong to emulated devices would be issued to VCMDQ (HW), while those vSIDs wouldn't be supported by the HW for CFGI_CD/ATC_INV, which will trigger errors/timeouts. Thanks Nicolin
