diff options
| author | Don Brace <don.brace@microsemi.com> | 2017-10-20 16:51:26 -0500 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-10-25 04:55:18 -0400 |
| commit | b9b08cade0a6a523c185c5e371f05df63c623c34 (patch) | |
| tree | 696c11650a7d733d6471f2d0aaba4538c50eda88 /drivers | |
| parent | 421bf80cc2e421ea8efd7bc47f595169d67ae92f (diff) | |
scsi: hpsa: add controller checkpoint
Tell hpsa controller to generate a checkpoint for rare lockup
conditions.
Reviewed-by: Scott Benesh <scott.benesh@microsemi.com>
Reviewed-by: Scott Teel <scott.teel@microsemi.com>
Reviewed-by: Kevin Barnett <kevin.barnett@microsemi.com>
Signed-off-by: Don Brace <don.brace@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/hpsa.c | 4 | ||||
| -rw-r--r-- | drivers/scsi/hpsa_cmd.h | 1 |
2 files changed, 5 insertions, 0 deletions
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index 0330f17c8feb..9c491c507092 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -8009,6 +8009,10 @@ static void controller_lockup_detected(struct ctlr_info *h) spin_unlock_irqrestore(&h->lock, flags); dev_warn(&h->pdev->dev, "Controller lockup detected: 0x%08x after %d\n", lockup_detected, h->heartbeat_sample_interval / HZ); + if (lockup_detected == 0xffff0000) { + dev_warn(&h->pdev->dev, "Telling controller to do a CHKPT\n"); + writel(DOORBELL_GENERATE_CHKPT, h->vaddr + SA5_DOORBELL); + } pci_disable_device(h->pdev); fail_all_outstanding_cmds(h); } diff --git a/drivers/scsi/hpsa_cmd.h b/drivers/scsi/hpsa_cmd.h index 078afe448115..78c3b64b0b97 100644 --- a/drivers/scsi/hpsa_cmd.h +++ b/drivers/scsi/hpsa_cmd.h @@ -142,6 +142,7 @@ #define DOORBELL_CTLR_RESET 0x00000004l #define DOORBELL_CTLR_RESET2 0x00000020l #define DOORBELL_CLEAR_EVENTS 0x00000040l +#define DOORBELL_GENERATE_CHKPT 0x00000080l #define CFGTBL_Trans_Simple 0x00000002l #define CFGTBL_Trans_Performant 0x00000004l |