diff options
| author | Kevin Barnett <kevin.barnett@hpe.com> | 2017-05-04 02:52:40 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-06-13 03:48:02 +0300 |
| commit | 5b0fba0f408777113eff93bd18ab0b9f80760fb7 (patch) | |
| tree | 7d71bb70457ba6742973197646d2abfee847e18c /drivers/scsi/smartpqi/smartpqi_sis.c | |
| parent | a81ed5f338a843d8bfd199928142b196d71ae62c (diff) | |
| download | linux-5b0fba0f408777113eff93bd18ab0b9f80760fb7.tar.xz | |
scsi: smartpqi: add in controller checkpoint for controller lockups.
tell smartpqi 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>
Signed-off-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/scsi/smartpqi/smartpqi_sis.c')
| -rw-r--r-- | drivers/scsi/smartpqi/smartpqi_sis.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/scsi/smartpqi/smartpqi_sis.c b/drivers/scsi/smartpqi/smartpqi_sis.c index 71408f9e8f75..c7d9ea10b02a 100644 --- a/drivers/scsi/smartpqi/smartpqi_sis.c +++ b/drivers/scsi/smartpqi/smartpqi_sis.c @@ -34,6 +34,7 @@ #define SIS_REENABLE_SIS_MODE 0x1 #define SIS_ENABLE_MSIX 0x40 #define SIS_SOFT_RESET 0x100 +#define SIS_TRIGGER_SHUTDOWN 0x800000 #define SIS_CMD_READY 0x200 #define SIS_CMD_COMPLETE 0x1000 #define SIS_CLEAR_CTRL_TO_HOST_DOORBELL 0x1000 @@ -342,6 +343,12 @@ void sis_soft_reset(struct pqi_ctrl_info *ctrl_info) &ctrl_info->registers->sis_host_to_ctrl_doorbell); } +void sis_shutdown_ctrl(struct pqi_ctrl_info *ctrl_info) +{ + writel(SIS_TRIGGER_SHUTDOWN, + &ctrl_info->registers->sis_host_to_ctrl_doorbell); +} + #define SIS_MODE_READY_TIMEOUT_SECS 30 int sis_reenable_sis_mode(struct pqi_ctrl_info *ctrl_info) |