diff options
| author | Quinn Tran <quinn.tran@cavium.com> | 2017-06-14 05:47:21 +0200 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-06-28 03:21:40 +0200 |
| commit | 4b60c82736d0e2d7f863cba1a320e89bf74a884e (patch) | |
| tree | ecbe1cec04175d4b7bd817529d193943c8f05741 /drivers/scsi/qla2xxx/qla_def.h | |
| parent | scsi: qla2xxx: Add debug knob for user control workload (diff) | |
| download | linux-4b60c82736d0e2d7f863cba1a320e89bf74a884e.tar.xz linux-4b60c82736d0e2d7f863cba1a320e89bf74a884e.zip | |
scsi: qla2xxx: Add fw_started flags to qpair
Add fw_started flag to qpair to reduce cache thrash. This reduce access
to qla_hw_data structure by each qpair.
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_def.h')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_def.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index 18b37c864250..0dec148a4580 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -3262,6 +3262,7 @@ struct qla_qpair { /* move vha->flags.difdix_supported here */ uint32_t difdix_supported:1; uint32_t delete_in_progress:1; + uint32_t fw_started:1; uint16_t id; /* qp number used with FW */ uint16_t vp_idx; /* vport ID */ @@ -4183,6 +4184,26 @@ struct qla2_sgx { srb_t *sp; }; +#define QLA_FW_STARTED(_ha) { \ + int i; \ + _ha->flags.fw_started = 1; \ + _ha->base_qpair->fw_started = 1; \ + for (i = 0; i < _ha->max_qpairs; i++) { \ + if (_ha->queue_pair_map[i]) \ + _ha->queue_pair_map[i]->fw_started = 1; \ + } \ +} + +#define QLA_FW_STOPPED(_ha) { \ + int i; \ + _ha->flags.fw_started = 0; \ + _ha->base_qpair->fw_started = 0; \ + for (i = 0; i < _ha->max_qpairs; i++) { \ + if (_ha->queue_pair_map[i]) \ + _ha->queue_pair_map[i]->fw_started = 0; \ + } \ +} + /* * Macros to help code, maintain, etc. */ |