diff options
| author |   James Smart <jsmart2021@gmail.com> | 2022-08-18 18:17:33 -0700 |
|---|---|---|
| committer |   Martin K. Petersen <martin.petersen@oracle.com> | 2022-08-31 23:39:58 -0400 |
| commit | 71ddeeaf5bd5122713ca64601ef19ee2dba04e30 (patch) | |
| tree | ab8a24b506d10fce21a036bef07868f768ebfad1 /drivers/scsi/lpfc/lpfc_sli.c | |
| parent | scsi: lpfc: Rework MIB Rx Monitor debug info logic (diff) | |
| download | linux-dev-71ddeeaf5bd5122713ca64601ef19ee2dba04e30.tar.xz linux-dev-71ddeeaf5bd5122713ca64601ef19ee2dba04e30.zip | |
scsi: lpfc: Add warning notification period to CMF_SYNC_WQE
Add capability to specify warning notification period to help firmware
adjust to congestion accordingly.
Link: https://lore.kernel.org/r/20220819011736.14141-5-jsmart2021@gmail.com
Co-developed-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_sli.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_sli.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 55c9eb39ea19..0f2b6ac56baf 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -1916,6 +1916,7 @@ lpfc_issue_cmf_sync_wqe(struct lpfc_hba *phba, u32 ms, u64 total) unsigned long iflags; u32 ret_val; u32 atot, wtot, max; + u16 warn_sync_period = 0; /* First address any alarm / warning activity */ atot = atomic_xchg(&phba->cgn_sync_alarm_cnt, 0); @@ -1970,10 +1971,14 @@ lpfc_issue_cmf_sync_wqe(struct lpfc_hba *phba, u32 ms, u64 total) lpfc_acqe_cgn_frequency; bf_set(cmf_sync_wsigmax, &wqe->cmf_sync, max); bf_set(cmf_sync_wsigcnt, &wqe->cmf_sync, wtot); + warn_sync_period = lpfc_acqe_cgn_frequency; } else { /* We hit a FPIN warning condition */ bf_set(cmf_sync_wfpinmax, &wqe->cmf_sync, 1); bf_set(cmf_sync_wfpincnt, &wqe->cmf_sync, 1); + if (phba->cgn_fpin_frequency != LPFC_FPIN_INIT_FREQ) + warn_sync_period = + LPFC_MSECS_TO_SECS(phba->cgn_fpin_frequency); } } @@ -1989,6 +1994,7 @@ initpath: bf_set(cmf_sync_reqtag, &wqe->cmf_sync, sync_buf->iotag); bf_set(cmf_sync_qosd, &wqe->cmf_sync, 1); + bf_set(cmf_sync_period, &wqe->cmf_sync, warn_sync_period); bf_set(cmf_sync_cmd_type, &wqe->cmf_sync, CMF_SYNC_COMMAND); bf_set(cmf_sync_wqec, &wqe->cmf_sync, 1); |