scsi: be2iscsi: Fix to add timer for UE detection

UE detection in health check is done in a work scheduled in global wq.
UE caused due to transient parity errors are recoverable and reported
within 1s. If this check for TPE gets delayed, PF0 might initiate
soft-reset and then status of UE recoverable is lost.

Handle UE detection in timer routine. Move out EQ delay update work
from health check. Make the IOCTL for EQ delay update non-blocking
as the completion status is ignored.

Signed-off-by: Jitendra Bhivare <jitendra.bhivare@broadcom.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Jitendra Bhivare
2016-08-19 15:20:13 +05:30
committed by Martin K. Petersen
parent 50a4b824be
commit 10bcd47dff
6 changed files with 78 additions and 54 deletions

View File

@@ -414,7 +414,12 @@ struct beiscsi_hba {
(1 << BEISCSI_HBA_IN_UE))
u8 optic_state;
struct delayed_work beiscsi_hw_check_task;
struct delayed_work eqd_update;
/* update EQ delay timer every 1000ms */
#define BEISCSI_EQD_UPDATE_INTERVAL 1000
struct timer_list hw_check;
/* check for UE every 1000ms */
#define BEISCSI_UE_DETECT_INTERVAL 1000
bool mac_addr_set;
u8 mac_address[ETH_ALEN];