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path: root/drivers/scsi/qla2xxx/qla_iocb.c
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Diffstat (limited to 'drivers/scsi/qla2xxx/qla_iocb.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_iocb.c55
1 files changed, 29 insertions, 26 deletions
diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index a8abbb95730d..13396beae2ce 100644
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -15,6 +15,7 @@ static request_t *qla2x00_req_pkt(struct scsi_qla_host *, struct req_que *,
struct rsp_que *rsp);
static void qla2x00_isp_cmd(struct scsi_qla_host *, struct req_que *);
+static void qla25xx_set_que(srb_t *, struct rsp_que **);
/**
* qla2x00_get_cmd_direction() - Determine control_flag data direction.
* @cmd: SCSI command
@@ -92,9 +93,10 @@ qla2x00_calc_iocbs_64(uint16_t dsds)
* Returns a pointer to the Continuation Type 0 IOCB packet.
*/
static inline cont_entry_t *
-qla2x00_prep_cont_type0_iocb(struct req_que *req, struct scsi_qla_host *vha)
+qla2x00_prep_cont_type0_iocb(struct scsi_qla_host *vha)
{
cont_entry_t *cont_pkt;
+ struct req_que *req = vha->req;
/* Adjust ring index. */
req->ring_index++;
if (req->ring_index == req->length) {
@@ -120,10 +122,11 @@ qla2x00_prep_cont_type0_iocb(struct req_que *req, struct scsi_qla_host *vha)
* Returns a pointer to the continuation type 1 IOCB packet.
*/
static inline cont_a64_entry_t *
-qla2x00_prep_cont_type1_iocb(struct req_que *req, scsi_qla_host_t *vha)
+qla2x00_prep_cont_type1_iocb(scsi_qla_host_t *vha)
{
cont_a64_entry_t *cont_pkt;
+ struct req_que *req = vha->req;
/* Adjust ring index. */
req->ring_index++;
if (req->ring_index == req->length) {
@@ -159,7 +162,6 @@ void qla2x00_build_scsi_iocbs_32(srb_t *sp, cmd_entry_t *cmd_pkt,
struct scsi_cmnd *cmd;
struct scatterlist *sg;
int i;
- struct req_que *req;
cmd = sp->cmd;
@@ -174,8 +176,6 @@ void qla2x00_build_scsi_iocbs_32(srb_t *sp, cmd_entry_t *cmd_pkt,
}
vha = sp->fcport->vha;
- req = sp->que;
-
cmd_pkt->control_flags |= cpu_to_le16(qla2x00_get_cmd_direction(sp));
/* Three DSDs are available in the Command Type 2 IOCB */
@@ -192,7 +192,7 @@ void qla2x00_build_scsi_iocbs_32(srb_t *sp, cmd_entry_t *cmd_pkt,
* Seven DSDs are available in the Continuation
* Type 0 IOCB.
*/
- cont_pkt = qla2x00_prep_cont_type0_iocb(req, vha);
+ cont_pkt = qla2x00_prep_cont_type0_iocb(vha);
cur_dsd = (uint32_t *)&cont_pkt->dseg_0_address;
avail_dsds = 7;
}
@@ -220,7 +220,6 @@ void qla2x00_build_scsi_iocbs_64(srb_t *sp, cmd_entry_t *cmd_pkt,
struct scsi_cmnd *cmd;
struct scatterlist *sg;
int i;
- struct req_que *req;
cmd = sp->cmd;
@@ -235,8 +234,6 @@ void qla2x00_build_scsi_iocbs_64(srb_t *sp, cmd_entry_t *cmd_pkt,
}
vha = sp->fcport->vha;
- req = sp->que;
-
cmd_pkt->control_flags |= cpu_to_le16(qla2x00_get_cmd_direction(sp));
/* Two DSDs are available in the Command Type 3 IOCB */
@@ -254,7 +251,7 @@ void qla2x00_build_scsi_iocbs_64(srb_t *sp, cmd_entry_t *cmd_pkt,
* Five DSDs are available in the Continuation
* Type 1 IOCB.
*/
- cont_pkt = qla2x00_prep_cont_type1_iocb(req, vha);
+ cont_pkt = qla2x00_prep_cont_type1_iocb(vha);
cur_dsd = (uint32_t *)cont_pkt->dseg_0_address;
avail_dsds = 5;
}
@@ -353,7 +350,6 @@ qla2x00_start_scsi(srb_t *sp)
/* Build command packet */
req->current_outstanding_cmd = handle;
req->outstanding_cmds[handle] = sp;
- sp->que = req;
sp->cmd->host_scribble = (unsigned char *)(unsigned long)handle;
req->cnt -= req_cnt;
@@ -453,6 +449,7 @@ __qla2x00_marker(struct scsi_qla_host *vha, struct req_que *req,
mrk24->lun[2] = MSB(lun);
host_to_fcp_swap(mrk24->lun, sizeof(mrk24->lun));
mrk24->vp_index = vha->vp_idx;
+ mrk24->handle = MAKE_HANDLE(req->id, mrk24->handle);
} else {
SET_TARGET_ID(ha, mrk->target, loop_id);
mrk->lun = cpu_to_le16(lun);
@@ -531,9 +528,6 @@ qla2x00_req_pkt(struct scsi_qla_host *vha, struct req_que *req,
for (cnt = 0; cnt < REQUEST_ENTRY_SIZE / 4; cnt++)
*dword_ptr++ = 0;
- /* Set system defined field. */
- pkt->sys_define = (uint8_t)req->ring_index;
-
/* Set entry count. */
pkt->entry_count = 1;
@@ -656,7 +650,7 @@ qla24xx_build_scsi_iocbs(srb_t *sp, struct cmd_type_7 *cmd_pkt,
}
vha = sp->fcport->vha;
- req = sp->que;
+ req = vha->req;
/* Set transfer direction */
if (cmd->sc_data_direction == DMA_TO_DEVICE) {
@@ -687,7 +681,7 @@ qla24xx_build_scsi_iocbs(srb_t *sp, struct cmd_type_7 *cmd_pkt,
* Five DSDs are available in the Continuation
* Type 1 IOCB.
*/
- cont_pkt = qla2x00_prep_cont_type1_iocb(req, vha);
+ cont_pkt = qla2x00_prep_cont_type1_iocb(vha);
cur_dsd = (uint32_t *)cont_pkt->dseg_0_address;
avail_dsds = 5;
}
@@ -724,19 +718,13 @@ qla24xx_start_scsi(srb_t *sp)
struct scsi_cmnd *cmd = sp->cmd;
struct scsi_qla_host *vha = sp->fcport->vha;
struct qla_hw_data *ha = vha->hw;
- uint16_t que_id;
/* Setup device pointers. */
ret = 0;
- que_id = vha->req_ques[0];
- req = ha->req_q_map[que_id];
- sp->que = req;
+ qla25xx_set_que(sp, &rsp);
+ req = vha->req;
- if (req->rsp)
- rsp = req->rsp;
- else
- rsp = ha->rsp_q_map[que_id];
/* So we know we haven't pci_map'ed anything yet */
tot_dsds = 0;
@@ -794,7 +782,7 @@ qla24xx_start_scsi(srb_t *sp)
req->cnt -= req_cnt;
cmd_pkt = (struct cmd_type_7 *)req->ring_ptr;
- cmd_pkt->handle = handle;
+ cmd_pkt->handle = MAKE_HANDLE(req->id, handle);
/* Zero out remaining portion of packet. */
/* tagged queuing modifier -- default is TSK_SIMPLE (0). */
@@ -823,6 +811,8 @@ qla24xx_start_scsi(srb_t *sp)
/* Set total data segment count. */
cmd_pkt->entry_count = (uint8_t)req_cnt;
+ /* Specify response queue number where completion should happen */
+ cmd_pkt->entry_status = (uint8_t) rsp->id;
wmb();
/* Adjust ring index. */
@@ -842,7 +832,7 @@ qla24xx_start_scsi(srb_t *sp)
/* Manage unprocessed RIO/ZIO commands in response queue. */
if (vha->flags.process_response_queue &&
rsp->ring_ptr->signature != RESPONSE_PROCESSED)
- qla24xx_process_response_queue(rsp);
+ qla24xx_process_response_queue(vha, rsp);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
return QLA_SUCCESS;
@@ -855,3 +845,16 @@ queuing_error:
return QLA_FUNCTION_FAILED;
}
+
+static void qla25xx_set_que(srb_t *sp, struct rsp_que **rsp)
+{
+ struct scsi_cmnd *cmd = sp->cmd;
+ struct qla_hw_data *ha = sp->fcport->vha->hw;
+ int affinity = cmd->request->cpu;
+
+ if (ql2xmultique_tag && affinity >= 0 &&
+ affinity < ha->max_rsp_queues - 1)
+ *rsp = ha->rsp_q_map[affinity + 1];
+ else
+ *rsp = ha->rsp_q_map[0];
+}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.