diff options
| author | Quinn Tran <quinn.tran@cavium.com> | 2017-06-14 06:47:18 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-06-28 04:21:40 +0300 |
| commit | e326d22af9653dd8eff05d71f0d1bad9174578a3 (patch) | |
| tree | 704d3ee25f1c70ef88ade45b48da44e2abec6c9d /drivers/scsi/qla2xxx/qla_target.h | |
| parent | 82de802ad46e23820f7fcaddc45adde181d95562 (diff) | |
| download | linux-e326d22af9653dd8eff05d71f0d1bad9174578a3.tar.xz | |
scsi: qla2xxx: Enable Target Multi Queue
Enable Multi Queue for Target mode. At Initiator LUN scan time, each LUN
is assign to a QPair. Each QPair is affinitize to certain CPU. When new
cmd arrives from the wire, the lunid is used to search for qpair. The
qpair's affinitized cpuid will be used to queue up the work element.
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_target.h')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_target.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/scsi/qla2xxx/qla_target.h b/drivers/scsi/qla2xxx/qla_target.h index 9519eeca1997..22c783e3e38f 100644 --- a/drivers/scsi/qla2xxx/qla_target.h +++ b/drivers/scsi/qla2xxx/qla_target.h @@ -787,10 +787,18 @@ struct qla_port_24xx_data { uint16_t reserved; }; +struct qla_qpair_hint { + struct list_head hint_elem; + struct qla_qpair *qpair; + u16 cpuid; + uint8_t cmd_cnt; +}; + struct qla_tgt { struct scsi_qla_host *vha; struct qla_hw_data *ha; - + struct btree_head64 lun_qpair_map; + struct qla_qpair_hint *qphints; /* * To sync between IRQ handlers and qlt_target_release(). Needed, * because req_pkt() can drop/reaquire HW lock inside. Protected by |