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Commit 5a259e32 authored by Kevin Barnett's avatar Kevin Barnett Committed by Martin K. Petersen
Browse files

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: default avatarScott Benesh <scott.benesh@microsemi.com>
Signed-off-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 8a994a04

drivers/scsi/smartpqi/smartpqi_init.c

+24 −5
Original line number Diff line number Diff line
@@ -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);
@@ -5962,9 +5974,15 @@ static int pqi_process_config_table(struct pqi_ctrl_info *ctrl_info) 


		switch (get_unaligned_le16(&section->section_id)) {

		case PQI_CONFIG_TABLE_SECTION_HEARTBEAT:

			ctrl_info->heartbeat_counter = table_iomem_addr +

			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,

					offsetof(

					struct pqi_config_table_heartbeat,

						heartbeat_counter);

			break;

		}
@@ -6550,6 +6568,7 @@ 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);

	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");