diff options
Diffstat (limited to 'drivers/scsi/mpt3sas/mpt3sas_base.c')
| -rw-r--r-- | drivers/scsi/mpt3sas/mpt3sas_base.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c index 1fd77aa34eed..8c2ef565e8d7 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.c +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c @@ -4849,6 +4849,57 @@ _base_get_event_diag_triggers(struct MPT3SAS_ADAPTER *ioc) } /** + * _base_get_scsi_diag_triggers - get scsi diag trigger values from + * persistent pages + * @ioc : per adapter object + * + * Return nothing. + */ +static void +_base_get_scsi_diag_triggers(struct MPT3SAS_ADAPTER *ioc) +{ + Mpi26DriverTriggerPage3_t trigger_pg3; + struct SL_WH_SCSI_TRIGGER_T *scsi_tg; + MPI26_DRIVER_SCSI_SENSE_TIGGER_ENTRY *mpi_scsi_tg; + Mpi2ConfigReply_t mpi_reply; + int r = 0, i = 0; + u16 count = 0; + u16 ioc_status; + + r = mpt3sas_config_get_driver_trigger_pg3(ioc, &mpi_reply, + &trigger_pg3); + if (r) + return; + + ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & + MPI2_IOCSTATUS_MASK; + if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { + dinitprintk(ioc, + ioc_err(ioc, + "%s: Failed to get trigger pg3, ioc_status(0x%04x)\n", + __func__, ioc_status)); + return; + } + + if (le16_to_cpu(trigger_pg3.NumSCSISenseTrigger)) { + count = le16_to_cpu(trigger_pg3.NumSCSISenseTrigger); + count = min_t(u16, NUM_VALID_ENTRIES, count); + ioc->diag_trigger_scsi.ValidEntries = count; + + scsi_tg = &ioc->diag_trigger_scsi.SCSITriggerEntry[0]; + mpi_scsi_tg = &trigger_pg3.SCSISenseTriggers[0]; + for (i = 0; i < count; i++) { + scsi_tg->ASCQ = mpi_scsi_tg->ASCQ; + scsi_tg->ASC = mpi_scsi_tg->ASC; + scsi_tg->SenseKey = mpi_scsi_tg->SenseKey; + + scsi_tg++; + mpi_scsi_tg++; + } + } +} + +/** * _base_get_master_diag_triggers - get master diag trigger values from * persistent pages * @ioc : per adapter object @@ -4953,6 +5004,14 @@ _base_get_diag_triggers(struct MPT3SAS_ADAPTER *ioc) MPI26_DRIVER_TRIGGER0_FLAG_MPI_EVENT_TRIGGER_VALID) _base_get_event_diag_triggers(ioc); + /* + * Retrieve scsi diag trigger values from driver trigger pg3 + * if scsi trigger bit enabled in TriggerFlags. + */ + if ((u16)trigger_flags & + MPI26_DRIVER_TRIGGER0_FLAG_SCSI_SENSE_TRIGGER_VALID) + _base_get_scsi_diag_triggers(ioc); + } /** |