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Commit b9b08cad authored by Don Brace's avatar Don Brace Committed by Martin K. Petersen
Browse files

scsi: hpsa: add controller checkpoint 



Tell hpsa controller to generate a checkpoint for rare lockup
conditions.

Reviewed-by: default avatarScott Benesh <scott.benesh@microsemi.com>
Reviewed-by: default avatarScott Teel <scott.teel@microsemi.com>
Reviewed-by: default avatarKevin Barnett <kevin.barnett@microsemi.com>
Signed-off-by: default avatarDon Brace <don.brace@microsemi.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 421bf80c

drivers/scsi/hpsa.c

+4 −0
Original line number Diff line number Diff line
@@ -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);

}

drivers/scsi/hpsa_cmd.h

+1 −0
Original line number Diff line number Diff line
@@ -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