This patch introduces Opal Datastore UID.
The generic read/write table ioctl can use this UID
to access the Opal Datastore.
Reviewed-by: NScott Bauer <sbauer@plzdonthack.me>
Reviewed-by: NJon Derrick <jonathan.derrick@intel.com>
Signed-off-by: NRevanth Rajashekar <revanth.rajashekar@intel.com>
Signed-off-by: NJens Axboe <axboe@kernel.dk>