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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 *,
15 struct rsp_que *rsp); 15 struct rsp_que *rsp);
16static void qla2x00_isp_cmd(struct scsi_qla_host *, struct req_que *); 16static void qla2x00_isp_cmd(struct scsi_qla_host *, struct req_que *);
17 17
18static void qla25xx_set_que(srb_t *, struct rsp_que **);
18/** 19/**
19 * qla2x00_get_cmd_direction() - Determine control_flag data direction. 20 * qla2x00_get_cmd_direction() - Determine control_flag data direction.
20 * @cmd: SCSI command 21 * @cmd: SCSI command
@@ -92,9 +93,10 @@ qla2x00_calc_iocbs_64(uint16_t dsds)
92 * Returns a pointer to the Continuation Type 0 IOCB packet. 93 * Returns a pointer to the Continuation Type 0 IOCB packet.
93 */ 94 */
94static inline cont_entry_t * 95static inline cont_entry_t *
95qla2x00_prep_cont_type0_iocb(struct req_que *req, struct scsi_qla_host *vha) 96qla2x00_prep_cont_type0_iocb(struct scsi_qla_host *vha)
96{ 97{
97 cont_entry_t *cont_pkt; 98 cont_entry_t *cont_pkt;
99 struct req_que *req = vha->req;
98 /* Adjust ring index. */ 100 /* Adjust ring index. */
99 req->ring_index++; 101 req->ring_index++;
100 if (req->ring_index == req->length) { 102 if (req->ring_index == req->length) {
@@ -120,10 +122,11 @@ qla2x00_prep_cont_type0_iocb(struct req_que *req, struct scsi_qla_host *vha)
120 * Returns a pointer to the continuation type 1 IOCB packet. 122 * Returns a pointer to the continuation type 1 IOCB packet.
121 */ 123 */
122static inline cont_a64_entry_t * 124static inline cont_a64_entry_t *
123qla2x00_prep_cont_type1_iocb(struct req_que *req, scsi_qla_host_t *vha) 125qla2x00_prep_cont_type1_iocb(scsi_qla_host_t *vha)
124{ 126{
125 cont_a64_entry_t *cont_pkt; 127 cont_a64_entry_t *cont_pkt;
126 128
129 struct req_que *req = vha->req;
127 /* Adjust ring index. */ 130 /* Adjust ring index. */
128 req->ring_index++; 131 req->ring_index++;
129 if (req->ring_index == req->length) { 132 if (req->ring_index == req->length) {
@@ -159,7 +162,6 @@ void qla2x00_build_scsi_iocbs_32(srb_t *sp, cmd_entry_t *cmd_pkt,
159 struct scsi_cmnd *cmd; 162 struct scsi_cmnd *cmd;
160 struct scatterlist *sg; 163 struct scatterlist *sg;
161 int i; 164 int i;
162 struct req_que *req;
163 165
164 cmd = sp->cmd; 166 cmd = sp->cmd;
165 167
@@ -174,8 +176,6 @@ void qla2x00_build_scsi_iocbs_32(srb_t *sp, cmd_entry_t *cmd_pkt,
174 } 176 }
175 177
176 vha = sp->fcport->vha; 178 vha = sp->fcport->vha;
177 req = sp->que;
178
179 cmd_pkt->control_flags |= cpu_to_le16(qla2x00_get_cmd_direction(sp)); 179 cmd_pkt->control_flags |= cpu_to_le16(qla2x00_get_cmd_direction(sp));
180 180
181 /* Three DSDs are available in the Command Type 2 IOCB */ 181 /* 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,
192 * Seven DSDs are available in the Continuation 192 * Seven DSDs are available in the Continuation
193 * Type 0 IOCB. 193 * Type 0 IOCB.
194 */ 194 */
195 cont_pkt = qla2x00_prep_cont_type0_iocb(req, vha); 195 cont_pkt = qla2x00_prep_cont_type0_iocb(vha);
196 cur_dsd = (uint32_t *)&cont_pkt->dseg_0_address; 196 cur_dsd = (uint32_t *)&cont_pkt->dseg_0_address;
197 avail_dsds = 7; 197 avail_dsds = 7;
198 } 198 }
@@ -220,7 +220,6 @@ void qla2x00_build_scsi_iocbs_64(srb_t *sp, cmd_entry_t *cmd_pkt,
220 struct scsi_cmnd *cmd; 220 struct scsi_cmnd *cmd;
221 struct scatterlist *sg; 221 struct scatterlist *sg;
222 int i; 222 int i;
223 struct req_que *req;
224 223
225 cmd = sp->cmd; 224 cmd = sp->cmd;
226 225
@@ -235,8 +234,6 @@ void qla2x00_build_scsi_iocbs_64(srb_t *sp, cmd_entry_t *cmd_pkt,
235 } 234 }
236 235
237 vha = sp->fcport->vha; 236 vha = sp->fcport->vha;
238 req = sp->que;
239
240 cmd_pkt->control_flags |= cpu_to_le16(qla2x00_get_cmd_direction(sp)); 237 cmd_pkt->control_flags |= cpu_to_le16(qla2x00_get_cmd_direction(sp));
241 238
242 /* Two DSDs are available in the Command Type 3 IOCB */ 239 /* 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,
254 * Five DSDs are available in the Continuation 251 * Five DSDs are available in the Continuation
255 * Type 1 IOCB. 252 * Type 1 IOCB.
256 */ 253 */
257 cont_pkt = qla2x00_prep_cont_type1_iocb(req, vha); 254 cont_pkt = qla2x00_prep_cont_type1_iocb(vha);
258 cur_dsd = (uint32_t *)cont_pkt->dseg_0_address; 255 cur_dsd = (uint32_t *)cont_pkt->dseg_0_address;
259 avail_dsds = 5; 256 avail_dsds = 5;
260 } 257 }
@@ -353,7 +350,6 @@ qla2x00_start_scsi(srb_t *sp)
353 /* Build command packet */ 350 /* Build command packet */
354 req->current_outstanding_cmd = handle; 351 req->current_outstanding_cmd = handle;
355 req->outstanding_cmds[handle] = sp; 352 req->outstanding_cmds[handle] = sp;
356 sp->que = req;
357 sp->cmd->host_scribble = (unsigned char *)(unsigned long)handle; 353 sp->cmd->host_scribble = (unsigned char *)(unsigned long)handle;
358 req->cnt -= req_cnt; 354 req->cnt -= req_cnt;
359 355
@@ -453,6 +449,7 @@ __qla2x00_marker(struct scsi_qla_host *vha, struct req_que *req,
453 mrk24->lun[2] = MSB(lun); 449 mrk24->lun[2] = MSB(lun);
454 host_to_fcp_swap(mrk24->lun, sizeof(mrk24->lun)); 450 host_to_fcp_swap(mrk24->lun, sizeof(mrk24->lun));
455 mrk24->vp_index = vha->vp_idx; 451 mrk24->vp_index = vha->vp_idx;
452 mrk24->handle = MAKE_HANDLE(req->id, mrk24->handle);
456 } else { 453 } else {
457 SET_TARGET_ID(ha, mrk->target, loop_id); 454 SET_TARGET_ID(ha, mrk->target, loop_id);
458 mrk->lun = cpu_to_le16(lun); 455 mrk->lun = cpu_to_le16(lun);
@@ -531,9 +528,6 @@ qla2x00_req_pkt(struct scsi_qla_host *vha, struct req_que *req,
531 for (cnt = 0; cnt < REQUEST_ENTRY_SIZE / 4; cnt++) 528 for (cnt = 0; cnt < REQUEST_ENTRY_SIZE / 4; cnt++)
532 *dword_ptr++ = 0; 529 *dword_ptr++ = 0;
533 530
534 /* Set system defined field. */
535 pkt->sys_define = (uint8_t)req->ring_index;
536
537 /* Set entry count. */ 531 /* Set entry count. */
538 pkt->entry_count = 1; 532 pkt->entry_count = 1;
539 533
@@ -656,7 +650,7 @@ qla24xx_build_scsi_iocbs(srb_t *sp, struct cmd_type_7 *cmd_pkt,
656 } 650 }
657 651
658 vha = sp->fcport->vha; 652 vha = sp->fcport->vha;
659 req = sp->que; 653 req = vha->req;
660 654
661 /* Set transfer direction */ 655 /* Set transfer direction */
662 if (cmd->sc_data_direction == DMA_TO_DEVICE) { 656 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,
687 * Five DSDs are available in the Continuation 681 * Five DSDs are available in the Continuation
688 * Type 1 IOCB. 682 * Type 1 IOCB.
689 */ 683 */
690 cont_pkt = qla2x00_prep_cont_type1_iocb(req, vha); 684 cont_pkt = qla2x00_prep_cont_type1_iocb(vha);
691 cur_dsd = (uint32_t *)cont_pkt->dseg_0_address; 685 cur_dsd = (uint32_t *)cont_pkt->dseg_0_address;
692 avail_dsds = 5; 686 avail_dsds = 5;
693 } 687 }
@@ -724,19 +718,13 @@ qla24xx_start_scsi(srb_t *sp)
724 struct scsi_cmnd *cmd = sp->cmd; 718 struct scsi_cmnd *cmd = sp->cmd;
725 struct scsi_qla_host *vha = sp->fcport->vha; 719 struct scsi_qla_host *vha = sp->fcport->vha;
726 struct qla_hw_data *ha = vha->hw; 720 struct qla_hw_data *ha = vha->hw;
727 uint16_t que_id;
728 721
729 /* Setup device pointers. */ 722 /* Setup device pointers. */
730 ret = 0; 723 ret = 0;
731 que_id = vha->req_ques[0];
732 724
733 req = ha->req_q_map[que_id]; 725 qla25xx_set_que(sp, &rsp);
734 sp->que = req; 726 req = vha->req;
735 727
736 if (req->rsp)
737 rsp = req->rsp;
738 else
739 rsp = ha->rsp_q_map[que_id];
740 /* So we know we haven't pci_map'ed anything yet */ 728 /* So we know we haven't pci_map'ed anything yet */
741 tot_dsds = 0; 729 tot_dsds = 0;
742 730
@@ -794,7 +782,7 @@ qla24xx_start_scsi(srb_t *sp)
794 req->cnt -= req_cnt; 782 req->cnt -= req_cnt;
795 783
796 cmd_pkt = (struct cmd_type_7 *)req->ring_ptr; 784 cmd_pkt = (struct cmd_type_7 *)req->ring_ptr;
797 cmd_pkt->handle = handle; 785 cmd_pkt->handle = MAKE_HANDLE(req->id, handle);
798 786
799 /* Zero out remaining portion of packet. */ 787 /* Zero out remaining portion of packet. */
800 /* tagged queuing modifier -- default is TSK_SIMPLE (0). */ 788 /* tagged queuing modifier -- default is TSK_SIMPLE (0). */
@@ -823,6 +811,8 @@ qla24xx_start_scsi(srb_t *sp)
823 811
824 /* Set total data segment count. */ 812 /* Set total data segment count. */
825 cmd_pkt->entry_count = (uint8_t)req_cnt; 813 cmd_pkt->entry_count = (uint8_t)req_cnt;
814 /* Specify response queue number where completion should happen */
815 cmd_pkt->entry_status = (uint8_t) rsp->id;
826 wmb(); 816 wmb();
827 817
828 /* Adjust ring index. */ 818 /* Adjust ring index. */
@@ -842,7 +832,7 @@ qla24xx_start_scsi(srb_t *sp)
842 /* Manage unprocessed RIO/ZIO commands in response queue. */ 832 /* Manage unprocessed RIO/ZIO commands in response queue. */
843 if (vha->flags.process_response_queue && 833 if (vha->flags.process_response_queue &&
844 rsp->ring_ptr->signature != RESPONSE_PROCESSED) 834 rsp->ring_ptr->signature != RESPONSE_PROCESSED)
845 qla24xx_process_response_queue(rsp); 835 qla24xx_process_response_queue(vha, rsp);
846 836
847 spin_unlock_irqrestore(&ha->hardware_lock, flags); 837 spin_unlock_irqrestore(&ha->hardware_lock, flags);
848 return QLA_SUCCESS; 838 return QLA_SUCCESS;
@@ -855,3 +845,16 @@ queuing_error:
855 845
856 return QLA_FUNCTION_FAILED; 846 return QLA_FUNCTION_FAILED;
857} 847}
848
849static void qla25xx_set_que(srb_t *sp, struct rsp_que **rsp)
850{
851 struct scsi_cmnd *cmd = sp->cmd;
852 struct qla_hw_data *ha = sp->fcport->vha->hw;
853 int affinity = cmd->request->cpu;
854
855 if (ql2xmultique_tag && affinity >= 0 &&
856 affinity < ha->max_rsp_queues - 1)
857 *rsp = ha->rsp_q_map[affinity + 1];
858 else
859 *rsp = ha->rsp_q_map[0];
860}