diff options
| author | Murthy Bhat <Murthy.Bhat@microchip.com> | 2021-09-28 18:54:34 -0500 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2021-10-05 00:13:14 -0400 |
| commit | 5d1f03e6f49ae80d417dc72d1ee16a3379e2c026 (patch) | |
| tree | 29202d1d68a9a6423ab8f4e2eb31b29bff69d337 /drivers/scsi/smartpqi/smartpqi_sis.c | |
| parent | 9ee5d6e9ac52a3c8625697535f8e35864d9fd38c (diff) | |
scsi: smartpqi: Capture controller reason codes
In some rare cases, the driver can halt the controller. Add a reason code
describing why the controller was halted. Store this reason code in a
controller register to aid in debugging the issue.
Link: https://lore.kernel.org/r/20210928235442.201875-4-don.brace@microchip.com
Reviewed-by: Scott Benesh <scott.benesh@microchip.com>
Reviewed-by: Scott Teel <scott.teel@microchip.com>
Reviewed-by: Mike McGowen <mike.mcgowen@microchip.com>
Acked-by: John Donnelly <john.p.donnelly@oracle.com>
Signed-off-by: Murthy Bhat <Murthy.Bhat@microchip.com>
Signed-off-by: Don Brace <don.brace@microchip.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 | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/scsi/smartpqi/smartpqi_sis.c b/drivers/scsi/smartpqi/smartpqi_sis.c index 8acd3a80f582..d66eb8ea161c 100644 --- a/drivers/scsi/smartpqi/smartpqi_sis.c +++ b/drivers/scsi/smartpqi/smartpqi_sis.c @@ -397,14 +397,17 @@ void sis_enable_intx(struct pqi_ctrl_info *ctrl_info) sis_set_doorbell_bit(ctrl_info, SIS_ENABLE_INTX); } -void sis_shutdown_ctrl(struct pqi_ctrl_info *ctrl_info) +void sis_shutdown_ctrl(struct pqi_ctrl_info *ctrl_info, + enum pqi_ctrl_shutdown_reason ctrl_shutdown_reason) { if (readl(&ctrl_info->registers->sis_firmware_status) & SIS_CTRL_KERNEL_PANIC) return; - writel(SIS_TRIGGER_SHUTDOWN, - &ctrl_info->registers->sis_host_to_ctrl_doorbell); + if (ctrl_info->firmware_triage_supported) + writel(ctrl_shutdown_reason, &ctrl_info->registers->sis_ctrl_shutdown_reason_code); + + writel(SIS_TRIGGER_SHUTDOWN, &ctrl_info->registers->sis_host_to_ctrl_doorbell); } int sis_pqi_reset_quiesce(struct pqi_ctrl_info *ctrl_info) |