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authorQuinn Tran <quinn.tran@cavium.com>2017-06-13 20:47:17 -0700
committerMartin K. Petersen <martin.petersen@oracle.com>2017-06-27 21:21:40 -0400
commit82de802ad46e23820f7fcaddc45adde181d95562 (patch)
tree5769de7e041b27991ea14768c74837bf6825800f /drivers/scsi/qla2xxx/qla_iocb.c
parentc5419e2618b951a73d590e0752810686d52c45cf (diff)
downloadlinux-82de802ad46e23820f7fcaddc45adde181d95562.tar.bz2
scsi: qla2xxx: Preparation for Target MQ.
In Current code, Req Q 0, RespQ 0 & hardware_lock are the main resources for sending and process completion of Target IO. These resources are now referenced behind a new qpair/"struct qla_qpair base_qpair". Main path IO handle will access those resources via the qpair pointer in preparation for Target MQ. 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_iocb.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_iocb.c30
1 files changed, 20 insertions, 10 deletions
diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index 8404f17f3c6c..6c710313adce 100644
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -2109,20 +2109,13 @@ queuing_error:
/* Generic Control-SRB manipulation functions. */
/* hardware_lock assumed to be held. */
-void *
-qla2x00_alloc_iocbs_ready(scsi_qla_host_t *vha, srb_t *sp)
-{
- if (qla2x00_reset_active(vha))
- return NULL;
-
- return qla2x00_alloc_iocbs(vha, sp);
-}
void *
-qla2x00_alloc_iocbs(scsi_qla_host_t *vha, srb_t *sp)
+__qla2x00_alloc_iocbs(struct qla_qpair *qpair, srb_t *sp)
{
+ scsi_qla_host_t *vha = qpair->vha;
struct qla_hw_data *ha = vha->hw;
- struct req_que *req = ha->req_q_map[0];
+ struct req_que *req = qpair->req;
device_reg_t *reg = ISP_QUE_REG(ha, req->id);
uint32_t index, handle;
request_t *pkt;
@@ -2200,6 +2193,23 @@ queuing_error:
return pkt;
}
+void *
+qla2x00_alloc_iocbs_ready(struct qla_qpair *qpair, srb_t *sp)
+{
+ scsi_qla_host_t *vha = qpair->vha;
+
+ if (qla2x00_reset_active(vha))
+ return NULL;
+
+ return __qla2x00_alloc_iocbs(qpair, sp);
+}
+
+void *
+qla2x00_alloc_iocbs(struct scsi_qla_host *vha, srb_t *sp)
+{
+ return __qla2x00_alloc_iocbs(vha->hw->base_qpair, sp);
+}
+
static void
qla24xx_login_iocb(srb_t *sp, struct logio_entry_24xx *logio)
{