In order to successfully issue as_notify, an AFU needs to know the TID
to notify, which in turn means that this information should be
available in userspace so it can be communicated to the AFU.
Signed-off-by: Alastair D'Silva <firstname.lastname@example.org>
Acked-by: Andrew Donnellan <email@example.com>
Signed-off-by: Michael Ellerman <firstname.lastname@example.org>