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scsi: pm8001: Use module param to set pcs event log severity

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The pm8001 driver sets pcs event log threshold very high which causes
most of the FW log messages to not be captured. Add a module parameter
to configure pcs event log severity with 3 (medium severity) as the
default.

Co-developed-by: Bhavesh Jashnani <bjashnani@google.com>
Signed-off-by: Bhavesh Jashnani <bjashnani@google.com>
Signed-off-by: Salomon Dushimirimana <salomondush@google.com>
Link: https://lore.kernel.org/r/20241016220944.370539-1-salomondush@google.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Salomon Dushimirimana 2024-10-16 22:09:44 +00:00 committed by Martin K. Petersen
parent 7670e74ff3
commit c8d81a4385
3 changed files with 8 additions and 1 deletions
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4
drivers/scsi/pm8001/pm8001_init.c
View File

@ -68,6 +68,10 @@ static bool pm8001_read_wwn = true;
module_param_named(read_wwn, pm8001_read_wwn, bool, 0444);
MODULE_PARM_DESC(zoned, "Get WWN from the controller. Default: true");
uint pcs_event_log_severity = 0x03;
module_param(pcs_event_log_severity, int, 0644);
MODULE_PARM_DESC(pcs_event_log_severity, "PCS event log severity level");
static struct scsi_transport_template *pm8001_stt;
static int pm8001_init_ccb_tag(struct pm8001_hba_info *);

2
drivers/scsi/pm8001/pm8001_sas.h
View File

@ -96,6 +96,8 @@ extern struct list_head hba_list;
extern const struct pm8001_dispatch pm8001_8001_dispatch;
extern const struct pm8001_dispatch pm8001_80xx_dispatch;
extern uint pcs_event_log_severity;
struct pm8001_hba_info;
struct pm8001_ccb_info;
struct pm8001_device;

3
drivers/scsi/pm8001/pm80xx_hwi.c
View File

@ -763,7 +763,8 @@ static void init_default_table_values(struct pm8001_hba_info *pm8001_ha)
pm8001_ha->memoryMap.region[IOP].phys_addr_lo;
pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_size =
PM8001_EVENT_LOG_SIZE;
pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_severity = 0x01;
pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_severity =
pcs_event_log_severity;
pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_interrupt = 0x01;
/* Enable higher IQs and OQs, 32 to 63, bit 16 */