- Add generic function to issue mailbox cmd on MQ as export function.
- RoCE driver will use this before it setups its own MQ.
Signed-off-by: NParav Pandit <parav.pandit@emulex.com>
Acked-by: NDavid S. Miller <davem@davemloft.net>
Signed-off-by: NRoland Dreier <roland@purestorage.com>