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| author | Kevin Barnett <kevin.barnett@microsemi.com> | 2017-05-04 02:55:43 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-06-13 03:48:04 +0300 |
| commit | 5a259e32ba32c380537f3d186a311e528b9f9c94 (patch) | |
| tree | f42a75b533b09bb8c772d1822484e540f9e5c748 /drivers/scsi/smartpqi | |
| parent | 8a994a04fc3a8edbcc0ba1d17219b6d8f4c38009 (diff) | |
| download | linux-5a259e32ba32c380537f3d186a311e528b9f9c94.tar.xz | |
scsi: smartpqi: add module parameters
Add module parameters to disable heartbeat support and to disable
shutting down the controller when a controller is taken offline.
Reviewed-by: Scott Benesh <scott.benesh@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_init.c | 29 |
1 files changed, 24 insertions, 5 deletions
diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index 21fbcf368af1..7bf6222c19a7 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -122,6 +122,18 @@ module_param_named(disable_device_id_wildcards, MODULE_PARM_DESC(disable_device_id_wildcards, "Disable device ID wildcards."); +static int pqi_disable_heartbeat; +module_param_named(disable_heartbeat, + pqi_disable_heartbeat, int, 0644); +MODULE_PARM_DESC(disable_heartbeat, + "Disable heartbeat."); + +static int pqi_disable_ctrl_shutdown; +module_param_named(disable_ctrl_shutdown, + pqi_disable_ctrl_shutdown, int, 0644); +MODULE_PARM_DESC(disable_ctrl_shutdown, + "Disable controller shutdown when controller locked up."); + static char *pqi_lockup_action_param; module_param_named(lockup_action, pqi_lockup_action_param, charp, 0644); @@ -5962,10 +5974,16 @@ static int pqi_process_config_table(struct pqi_ctrl_info *ctrl_info) switch (get_unaligned_le16(§ion->section_id)) { case PQI_CONFIG_TABLE_SECTION_HEARTBEAT: - ctrl_info->heartbeat_counter = table_iomem_addr + - section_offset + - offsetof(struct pqi_config_table_heartbeat, - heartbeat_counter); + if (pqi_disable_heartbeat) + dev_warn(&ctrl_info->pci_dev->dev, + "heartbeat disabled by module parameter\n"); + else + ctrl_info->heartbeat_counter = + table_iomem_addr + + section_offset + + offsetof( + struct pqi_config_table_heartbeat, + heartbeat_counter); break; } @@ -6550,7 +6568,8 @@ static void pqi_take_ctrl_offline(struct pqi_ctrl_info *ctrl_info) ctrl_info->controller_online = false; ctrl_info->pqi_mode_enabled = false; pqi_ctrl_block_requests(ctrl_info); - sis_shutdown_ctrl(ctrl_info); + if (!pqi_disable_ctrl_shutdown) + sis_shutdown_ctrl(ctrl_info); pci_disable_device(ctrl_info->pci_dev); dev_err(&ctrl_info->pci_dev->dev, "controller offline\n"); schedule_work(&ctrl_info->ctrl_offline_work); |