diff options
| author |   Sreekanth Reddy <sreekanth.reddy@broadcom.com> | 2019-09-13 09:04:39 -0400 |
|---|---|---|
| committer |   Martin K. Petersen <martin.petersen@oracle.com> | 2019-09-30 22:32:46 -0400 |
| commit | 4bc50dc1afb7b77dfc80a1f8f0742b14d6f6e376 (patch) | |
| tree | 400cbd62bd481347ad57096375d6eefba2a13bd9 /drivers/scsi/mpt3sas | |
| parent | scsi: mpt3sas: Register trace buffer based on NVDATA settings (diff) | |
| download | linux-dev-4bc50dc1afb7b77dfc80a1f8f0742b14d6f6e376.tar.xz linux-dev-4bc50dc1afb7b77dfc80a1f8f0742b14d6f6e376.zip | |
scsi: mpt3sas: Display message before releasing diag buffer
Display message before releasing the diag buffer so that user knows which
event caused the release of diag buffer.
Releasing of diag buffer means HBA firmware stops posting the firmware logs
on the registered diag buffer.
Link: https://lore.kernel.org/r/1568379890-18347-3-git-send-email-sreekanth.reddy@broadcom.com
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/mpt3sas')
| -rw-r--r-- | drivers/scsi/mpt3sas/mpt3sas_ctl.c | 7 | ||||
| -rw-r--r-- | drivers/scsi/mpt3sas/mpt3sas_trigger_diag.c | 12 |
2 files changed, 16 insertions, 3 deletions
diff --git a/drivers/scsi/mpt3sas/mpt3sas_ctl.c b/drivers/scsi/mpt3sas/mpt3sas_ctl.c index 285edd73864b..76ca416a3806 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_ctl.c +++ b/drivers/scsi/mpt3sas/mpt3sas_ctl.c @@ -466,6 +466,13 @@ void mpt3sas_ctl_pre_reset_handler(struct MPT3SAS_ADAPTER *ioc) if ((ioc->diag_buffer_status[i] & MPT3_DIAG_BUFFER_IS_RELEASED)) continue; + + /* + * add a log message to indicate the release + */ + ioc_info(ioc, + "%s: Releasing the trace buffer due to adapter reset.", + __func__); mpt3sas_send_diag_release(ioc, i, &issue_reset); } } diff --git a/drivers/scsi/mpt3sas/mpt3sas_trigger_diag.c b/drivers/scsi/mpt3sas/mpt3sas_trigger_diag.c index 6ac453fd5937..8ec9bab20ec4 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_trigger_diag.c +++ b/drivers/scsi/mpt3sas/mpt3sas_trigger_diag.c @@ -113,15 +113,21 @@ mpt3sas_process_trigger_data(struct MPT3SAS_ADAPTER *ioc, struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data) { u8 issue_reset = 0; + u32 *trig_data = (u32 *)&event_data->u.master; dTriggerDiagPrintk(ioc, ioc_info(ioc, "%s: enter\n", __func__)); /* release the diag buffer trace */ if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & MPT3_DIAG_BUFFER_IS_RELEASED) == 0) { - dTriggerDiagPrintk(ioc, - ioc_info(ioc, "%s: release trace diag buffer\n", - __func__)); + /* + * add a log message so that user knows which event caused + * the release + */ + ioc_info(ioc, + "%s: Releasing the trace buffer. Trigger_Type 0x%08x, Data[0] 0x%08x, Data[1] 0x%08x\n", + __func__, event_data->trigger_type, + trig_data[0], trig_data[1]); mpt3sas_send_diag_release(ioc, MPI2_DIAG_BUF_TYPE_TRACE, &issue_reset); } |