diff options
| author |   Kevin Barnett <kevin.barnett@hpe.com> | 2017-05-03 18:52:40 -0500 |
|---|---|---|
| committer |   Martin K. Petersen <martin.petersen@oracle.com> | 2017-06-12 20:48:02 -0400 |
| commit | 5b0fba0f408777113eff93bd18ab0b9f80760fb7 (patch) | |
| tree | 7d71bb70457ba6742973197646d2abfee847e18c /drivers/scsi/smartpqi | |
| parent | scsi: smartpqi: set pci completion timeout (diff) | |
| download | linux-dev-5b0fba0f408777113eff93bd18ab0b9f80760fb7.tar.xz linux-dev-5b0fba0f408777113eff93bd18ab0b9f80760fb7.zip | |
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')
| -rw-r--r-- | drivers/scsi/smartpqi/smartpqi.h | 2 | ||||
| -rw-r--r-- | drivers/scsi/smartpqi/smartpqi_init.c | 1 | ||||
| -rw-r--r-- | drivers/scsi/smartpqi/smartpqi_sis.c | 7 | ||||
| -rw-r--r-- | drivers/scsi/smartpqi/smartpqi_sis.h | 1 |
4 files changed, 10 insertions, 1 deletions
diff --git a/drivers/scsi/smartpqi/smartpqi.h b/drivers/scsi/smartpqi/smartpqi.h index b673825f46b5..73754caa0161 100644 --- a/drivers/scsi/smartpqi/smartpqi.h +++ b/drivers/scsi/smartpqi/smartpqi.h @@ -933,10 +933,10 @@ struct pqi_ctrl_info { struct Scsi_Host *scsi_host; struct mutex scan_mutex; + bool controller_online : 1; u8 inbound_spanning_supported : 1; u8 outbound_spanning_supported : 1; u8 pqi_mode_enabled : 1; - u8 controller_online : 1; u8 heartbeat_timer_started : 1; struct list_head scsi_device_list; diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index 735cef55d3a2..14d74e157eb5 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -2697,6 +2697,7 @@ static void pqi_take_ctrl_offline(struct pqi_ctrl_info *ctrl_info) ctrl_info->controller_online = false; dev_err(&ctrl_info->pci_dev->dev, "controller offline\n"); + sis_shutdown_ctrl(ctrl_info); for (i = 0; i < ctrl_info->num_queue_groups; i++) { queue_group = &ctrl_info->queue_groups[i]; 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) diff --git a/drivers/scsi/smartpqi/smartpqi_sis.h b/drivers/scsi/smartpqi/smartpqi_sis.h index bd6e7b08338e..7f7b68ca0bd2 100644 --- a/drivers/scsi/smartpqi/smartpqi_sis.h +++ b/drivers/scsi/smartpqi/smartpqi_sis.h @@ -27,6 +27,7 @@ int sis_init_base_struct_addr(struct pqi_ctrl_info *ctrl_info); void sis_enable_msix(struct pqi_ctrl_info *ctrl_info); void sis_disable_msix(struct pqi_ctrl_info *ctrl_info); void sis_soft_reset(struct pqi_ctrl_info *ctrl_info); +void sis_shutdown_ctrl(struct pqi_ctrl_info *ctrl_info); int sis_reenable_sis_mode(struct pqi_ctrl_info *ctrl_info); void sis_write_driver_scratch(struct pqi_ctrl_info *ctrl_info, u32 value); u32 sis_read_driver_scratch(struct pqi_ctrl_info *ctrl_info); |