diff options
Diffstat (limited to 'drivers/scsi/mpt3sas/mpt3sas_base.c')
-rw-r--r-- | drivers/scsi/mpt3sas/mpt3sas_base.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c index 4ccfcb36da0b..332d304eefc5 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.c +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c @@ -4798,6 +4798,42 @@ _base_update_ioc_page1_inlinewith_perf_mode(struct MPT3SAS_ADAPTER *ioc) } /** + * _base_get_master_diag_triggers - get master diag trigger values from + * persistent pages + * @ioc : per adapter object + * + * Return nothing. + */ +static void +_base_get_master_diag_triggers(struct MPT3SAS_ADAPTER *ioc) +{ + Mpi26DriverTriggerPage1_t trigger_pg1; + Mpi2ConfigReply_t mpi_reply; + int r; + u16 ioc_status; + + r = mpt3sas_config_get_driver_trigger_pg1(ioc, &mpi_reply, + &trigger_pg1); + 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 pg1, ioc_status(0x%04x)\n", + __func__, ioc_status)); + return; + } + + if (le16_to_cpu(trigger_pg1.NumMasterTrigger)) + ioc->diag_trigger_master.MasterData |= + le32_to_cpu( + trigger_pg1.MasterTriggers[0].MasterTriggerFlags); +} + +/** * _base_check_for_trigger_pages_support - checks whether HBA FW supports * driver trigger pages or not * @ioc : per adapter object @@ -4843,10 +4879,20 @@ _base_get_diag_triggers(struct MPT3SAS_ADAPTER *ioc) */ ioc->diag_trigger_master.MasterData = (MASTER_TRIGGER_FW_FAULT + MASTER_TRIGGER_ADAPTER_RESET); + trigger_flags = _base_check_for_trigger_pages_support(ioc); if (trigger_flags < 0) return; + ioc->supports_trigger_pages = 1; + + /* + * Retrieve master diag trigger values from driver trigger pg1 + * if master trigger bit enabled in TriggerFlags. + */ + if ((u16)trigger_flags & + MPI26_DRIVER_TRIGGER0_FLAG_MASTER_TRIGGER_VALID) + _base_get_master_diag_triggers(ioc); } /** |