scsi: mpi3mr: Avoid reply queue full condition

To avoid reply queue full condition, update the driver to check IOCFacts
capabilities for qfull.

Update the operational reply queue's Consumer Index after processing 100
replies. If pending I/Os on a reply queue exceeds a threshold
(reply_queue_depth - 200), then return I/O back to OS to retry.

Also increase default admin reply queue size to 2K.

Signed-off-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Link: https://lore.kernel.org/r/20250129100850.25430-2-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Ranjan Kumar 2025-01-29 15:38:47 +05:30 • committed by Martin K. Petersen
commit f08b24d827
3 changed files with 63 additions and 5 deletions