Message ID | 20241016220944.370539-1-salomondush@google.com (mailing list archive) |
---|---|
State | New |
Headers | show |
Series | scsi: pm80xx: Use module param to set pcs event log severity | expand |
Hi, On Thu, Oct 17, 2024 at 12:10 AM Salomon Dushimirimana <salomondush@google.com> wrote: > > The pm8006 driver sets pcs event log threshold very high which causes > most of the FW logs to not be captured. This adds a module parameter to > configure pcs event log severity with 3 (medium severity) as the > default. upstream does not like more module parameters, can we just change the default to 3, any harm? Thx! > > Signed-off-by: Bhavesh Jashnani <bjashnani@google.com> > Signed-off-by: Salomon Dushimirimana <salomondush@google.com> > --- > drivers/scsi/pm8001/pm8001_init.c | 4 ++++ > drivers/scsi/pm8001/pm8001_sas.h | 2 ++ > drivers/scsi/pm8001/pm80xx_hwi.c | 3 ++- > 3 files changed, 8 insertions(+), 1 deletion(-) > > diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c > index 1e63cb6cd8e3..355aab0c982a 100644 > --- a/drivers/scsi/pm8001/pm8001_init.c > +++ b/drivers/scsi/pm8001/pm8001_init.c > @@ -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 *); > > diff --git a/drivers/scsi/pm8001/pm8001_sas.h b/drivers/scsi/pm8001/pm8001_sas.h > index ced6721380a8..42c7b3f7afbf 100644 > --- a/drivers/scsi/pm8001/pm8001_sas.h > +++ b/drivers/scsi/pm8001/pm8001_sas.h > @@ -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; > diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c > index 8fe886dc5e47..9b237a764d0b 100644 > --- a/drivers/scsi/pm8001/pm80xx_hwi.c > +++ b/drivers/scsi/pm8001/pm80xx_hwi.c > @@ -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 */ > -- > 2.47.0.rc1.288.g06298d1525-goog >
Hi, 3 works well for Google, but a different value might be better for others. Having a module parameter would allow users to customize the level of logging based on their specific needs. If that is not a concern, I can change the default to just 3. Thank you! Salomon Dushimirimana On Thu, Oct 17, 2024 at 2:45 AM Jinpu Wang <jinpu.wang@ionos.com> wrote: > > Hi, > > On Thu, Oct 17, 2024 at 12:10 AM Salomon Dushimirimana > <salomondush@google.com> wrote: > > > > The pm8006 driver sets pcs event log threshold very high which causes > > most of the FW logs to not be captured. This adds a module parameter to > > configure pcs event log severity with 3 (medium severity) as the > > default. > upstream does not like more module parameters, can we just change the > default to 3, any harm? > > Thx! > > > > Signed-off-by: Bhavesh Jashnani <bjashnani@google.com> > > Signed-off-by: Salomon Dushimirimana <salomondush@google.com> > > --- > > drivers/scsi/pm8001/pm8001_init.c | 4 ++++ > > drivers/scsi/pm8001/pm8001_sas.h | 2 ++ > > drivers/scsi/pm8001/pm80xx_hwi.c | 3 ++- > > 3 files changed, 8 insertions(+), 1 deletion(-) > > > > diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c > > index 1e63cb6cd8e3..355aab0c982a 100644 > > --- a/drivers/scsi/pm8001/pm8001_init.c > > +++ b/drivers/scsi/pm8001/pm8001_init.c > > @@ -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 *); > > > > diff --git a/drivers/scsi/pm8001/pm8001_sas.h b/drivers/scsi/pm8001/pm8001_sas.h > > index ced6721380a8..42c7b3f7afbf 100644 > > --- a/drivers/scsi/pm8001/pm8001_sas.h > > +++ b/drivers/scsi/pm8001/pm8001_sas.h > > @@ -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; > > diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c > > index 8fe886dc5e47..9b237a764d0b 100644 > > --- a/drivers/scsi/pm8001/pm80xx_hwi.c > > +++ b/drivers/scsi/pm8001/pm80xx_hwi.c > > @@ -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 */ > > -- > > 2.47.0.rc1.288.g06298d1525-goog > >
diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c index 1e63cb6cd8e3..355aab0c982a 100644 --- a/drivers/scsi/pm8001/pm8001_init.c +++ b/drivers/scsi/pm8001/pm8001_init.c @@ -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 *); diff --git a/drivers/scsi/pm8001/pm8001_sas.h b/drivers/scsi/pm8001/pm8001_sas.h index ced6721380a8..42c7b3f7afbf 100644 --- a/drivers/scsi/pm8001/pm8001_sas.h +++ b/drivers/scsi/pm8001/pm8001_sas.h @@ -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; diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c index 8fe886dc5e47..9b237a764d0b 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.c +++ b/drivers/scsi/pm8001/pm80xx_hwi.c @@ -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 */