Simply set the respective bits and update the descriptor accordingly.

Signed-off-by: Noah Bergbauer <noah@statshelix.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Message-Id: <20211126140437.79745-1-noah@statshelix.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>