2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2014 QLogic Corporation
5 * See LICENSE.qla2xxx for copyright and licensing details.
8 #include "qla_target.h"
10 #include <linux/blkdev.h>
11 #include <linux/delay.h>
13 #include <scsi/scsi_tcq.h>
16 * qla2x00_get_cmd_direction() - Determine control_flag data direction.
19 * Returns the proper CF_* direction based on CDB.
21 static inline uint16_t
22 qla2x00_get_cmd_direction(srb_t *sp)
25 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
26 struct scsi_qla_host *vha = sp->vha;
30 /* Set transfer direction */
31 if (cmd->sc_data_direction == DMA_TO_DEVICE) {
33 vha->qla_stats.output_bytes += scsi_bufflen(cmd);
34 vha->qla_stats.output_requests++;
35 } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
37 vha->qla_stats.input_bytes += scsi_bufflen(cmd);
38 vha->qla_stats.input_requests++;
44 * qla2x00_calc_iocbs_32() - Determine number of Command Type 2 and
45 * Continuation Type 0 IOCBs to allocate.
47 * @dsds: number of data segment decriptors needed
49 * Returns the number of IOCB entries needed to store @dsds.
52 qla2x00_calc_iocbs_32(uint16_t dsds)
58 iocbs += (dsds - 3) / 7;
66 * qla2x00_calc_iocbs_64() - Determine number of Command Type 3 and
67 * Continuation Type 1 IOCBs to allocate.
69 * @dsds: number of data segment decriptors needed
71 * Returns the number of IOCB entries needed to store @dsds.
74 qla2x00_calc_iocbs_64(uint16_t dsds)
80 iocbs += (dsds - 2) / 5;
88 * qla2x00_prep_cont_type0_iocb() - Initialize a Continuation Type 0 IOCB.
91 * Returns a pointer to the Continuation Type 0 IOCB packet.
93 static inline cont_entry_t *
94 qla2x00_prep_cont_type0_iocb(struct scsi_qla_host *vha)
96 cont_entry_t *cont_pkt;
97 struct req_que *req = vha->req;
98 /* Adjust ring index. */
100 if (req->ring_index == req->length) {
102 req->ring_ptr = req->ring;
107 cont_pkt = (cont_entry_t *)req->ring_ptr;
109 /* Load packet defaults. */
110 *((uint32_t *)(&cont_pkt->entry_type)) = cpu_to_le32(CONTINUE_TYPE);
116 * qla2x00_prep_cont_type1_iocb() - Initialize a Continuation Type 1 IOCB.
119 * Returns a pointer to the continuation type 1 IOCB packet.
121 static inline cont_a64_entry_t *
122 qla2x00_prep_cont_type1_iocb(scsi_qla_host_t *vha, struct req_que *req)
124 cont_a64_entry_t *cont_pkt;
126 /* Adjust ring index. */
128 if (req->ring_index == req->length) {
130 req->ring_ptr = req->ring;
135 cont_pkt = (cont_a64_entry_t *)req->ring_ptr;
137 /* Load packet defaults. */
138 *((uint32_t *)(&cont_pkt->entry_type)) = IS_QLAFX00(vha->hw) ?
139 cpu_to_le32(CONTINUE_A64_TYPE_FX00) :
140 cpu_to_le32(CONTINUE_A64_TYPE);
146 qla24xx_configure_prot_mode(srb_t *sp, uint16_t *fw_prot_opts)
148 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
149 uint8_t guard = scsi_host_get_guard(cmd->device->host);
151 /* We always use DIFF Bundling for best performance */
154 /* Translate SCSI opcode to a protection opcode */
155 switch (scsi_get_prot_op(cmd)) {
156 case SCSI_PROT_READ_STRIP:
157 *fw_prot_opts |= PO_MODE_DIF_REMOVE;
159 case SCSI_PROT_WRITE_INSERT:
160 *fw_prot_opts |= PO_MODE_DIF_INSERT;
162 case SCSI_PROT_READ_INSERT:
163 *fw_prot_opts |= PO_MODE_DIF_INSERT;
165 case SCSI_PROT_WRITE_STRIP:
166 *fw_prot_opts |= PO_MODE_DIF_REMOVE;
168 case SCSI_PROT_READ_PASS:
169 case SCSI_PROT_WRITE_PASS:
170 if (guard & SHOST_DIX_GUARD_IP)
171 *fw_prot_opts |= PO_MODE_DIF_TCP_CKSUM;
173 *fw_prot_opts |= PO_MODE_DIF_PASS;
175 default: /* Normal Request */
176 *fw_prot_opts |= PO_MODE_DIF_PASS;
180 return scsi_prot_sg_count(cmd);
184 * qla2x00_build_scsi_iocbs_32() - Build IOCB command utilizing 32bit
185 * capable IOCB types.
187 * @sp: SRB command to process
188 * @cmd_pkt: Command type 2 IOCB
189 * @tot_dsds: Total number of segments to transfer
191 void qla2x00_build_scsi_iocbs_32(srb_t *sp, cmd_entry_t *cmd_pkt,
196 scsi_qla_host_t *vha;
197 struct scsi_cmnd *cmd;
198 struct scatterlist *sg;
201 cmd = GET_CMD_SP(sp);
203 /* Update entry type to indicate Command Type 2 IOCB */
204 *((uint32_t *)(&cmd_pkt->entry_type)) =
205 cpu_to_le32(COMMAND_TYPE);
207 /* No data transfer */
208 if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) {
209 cmd_pkt->byte_count = cpu_to_le32(0);
214 cmd_pkt->control_flags |= cpu_to_le16(qla2x00_get_cmd_direction(sp));
216 /* Three DSDs are available in the Command Type 2 IOCB */
218 cur_dsd = (uint32_t *)&cmd_pkt->dseg_0_address;
220 /* Load data segments */
221 scsi_for_each_sg(cmd, sg, tot_dsds, i) {
222 cont_entry_t *cont_pkt;
224 /* Allocate additional continuation packets? */
225 if (avail_dsds == 0) {
227 * Seven DSDs are available in the Continuation
230 cont_pkt = qla2x00_prep_cont_type0_iocb(vha);
231 cur_dsd = (uint32_t *)&cont_pkt->dseg_0_address;
235 *cur_dsd++ = cpu_to_le32(sg_dma_address(sg));
236 *cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
242 * qla2x00_build_scsi_iocbs_64() - Build IOCB command utilizing 64bit
243 * capable IOCB types.
245 * @sp: SRB command to process
246 * @cmd_pkt: Command type 3 IOCB
247 * @tot_dsds: Total number of segments to transfer
249 void qla2x00_build_scsi_iocbs_64(srb_t *sp, cmd_entry_t *cmd_pkt,
254 scsi_qla_host_t *vha;
255 struct scsi_cmnd *cmd;
256 struct scatterlist *sg;
259 cmd = GET_CMD_SP(sp);
261 /* Update entry type to indicate Command Type 3 IOCB */
262 *((uint32_t *)(&cmd_pkt->entry_type)) = cpu_to_le32(COMMAND_A64_TYPE);
264 /* No data transfer */
265 if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) {
266 cmd_pkt->byte_count = cpu_to_le32(0);
271 cmd_pkt->control_flags |= cpu_to_le16(qla2x00_get_cmd_direction(sp));
273 /* Two DSDs are available in the Command Type 3 IOCB */
275 cur_dsd = (uint32_t *)&cmd_pkt->dseg_0_address;
277 /* Load data segments */
278 scsi_for_each_sg(cmd, sg, tot_dsds, i) {
280 cont_a64_entry_t *cont_pkt;
282 /* Allocate additional continuation packets? */
283 if (avail_dsds == 0) {
285 * Five DSDs are available in the Continuation
288 cont_pkt = qla2x00_prep_cont_type1_iocb(vha, vha->req);
289 cur_dsd = (uint32_t *)cont_pkt->dseg_0_address;
293 sle_dma = sg_dma_address(sg);
294 *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
295 *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
296 *cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
302 * qla2x00_start_scsi() - Send a SCSI command to the ISP
303 * @sp: command to send to the ISP
305 * Returns non-zero if a failure occurred, else zero.
308 qla2x00_start_scsi(srb_t *sp)
312 scsi_qla_host_t *vha;
313 struct scsi_cmnd *cmd;
317 cmd_entry_t *cmd_pkt;
321 struct device_reg_2xxx __iomem *reg;
322 struct qla_hw_data *ha;
326 /* Setup device pointers. */
329 reg = &ha->iobase->isp;
330 cmd = GET_CMD_SP(sp);
331 req = ha->req_q_map[0];
332 rsp = ha->rsp_q_map[0];
333 /* So we know we haven't pci_map'ed anything yet */
336 /* Send marker if required */
337 if (vha->marker_needed != 0) {
338 if (qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL) !=
340 return (QLA_FUNCTION_FAILED);
342 vha->marker_needed = 0;
345 /* Acquire ring specific lock */
346 spin_lock_irqsave(&ha->hardware_lock, flags);
348 /* Check for room in outstanding command list. */
349 handle = req->current_outstanding_cmd;
350 for (index = 1; index < req->num_outstanding_cmds; index++) {
352 if (handle == req->num_outstanding_cmds)
354 if (!req->outstanding_cmds[handle])
357 if (index == req->num_outstanding_cmds)
360 /* Map the sg table so we have an accurate count of sg entries needed */
361 if (scsi_sg_count(cmd)) {
362 nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
363 scsi_sg_count(cmd), cmd->sc_data_direction);
371 /* Calculate the number of request entries needed. */
372 req_cnt = ha->isp_ops->calc_req_entries(tot_dsds);
373 if (req->cnt < (req_cnt + 2)) {
374 cnt = RD_REG_WORD_RELAXED(ISP_REQ_Q_OUT(ha, reg));
375 if (req->ring_index < cnt)
376 req->cnt = cnt - req->ring_index;
378 req->cnt = req->length -
379 (req->ring_index - cnt);
380 /* If still no head room then bail out */
381 if (req->cnt < (req_cnt + 2))
385 /* Build command packet */
386 req->current_outstanding_cmd = handle;
387 req->outstanding_cmds[handle] = sp;
389 cmd->host_scribble = (unsigned char *)(unsigned long)handle;
392 cmd_pkt = (cmd_entry_t *)req->ring_ptr;
393 cmd_pkt->handle = handle;
394 /* Zero out remaining portion of packet. */
395 clr_ptr = (uint32_t *)cmd_pkt + 2;
396 memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8);
397 cmd_pkt->dseg_count = cpu_to_le16(tot_dsds);
399 /* Set target ID and LUN number*/
400 SET_TARGET_ID(ha, cmd_pkt->target, sp->fcport->loop_id);
401 cmd_pkt->lun = cpu_to_le16(cmd->device->lun);
402 cmd_pkt->control_flags = cpu_to_le16(CF_SIMPLE_TAG);
404 /* Load SCSI command packet. */
405 memcpy(cmd_pkt->scsi_cdb, cmd->cmnd, cmd->cmd_len);
406 cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd));
408 /* Build IOCB segments */
409 ha->isp_ops->build_iocbs(sp, cmd_pkt, tot_dsds);
411 /* Set total data segment count. */
412 cmd_pkt->entry_count = (uint8_t)req_cnt;
415 /* Adjust ring index. */
417 if (req->ring_index == req->length) {
419 req->ring_ptr = req->ring;
423 sp->flags |= SRB_DMA_VALID;
425 /* Set chip new ring index. */
426 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), req->ring_index);
427 RD_REG_WORD_RELAXED(ISP_REQ_Q_IN(ha, reg)); /* PCI Posting. */
429 /* Manage unprocessed RIO/ZIO commands in response queue. */
430 if (vha->flags.process_response_queue &&
431 rsp->ring_ptr->signature != RESPONSE_PROCESSED)
432 qla2x00_process_response_queue(rsp);
434 spin_unlock_irqrestore(&ha->hardware_lock, flags);
435 return (QLA_SUCCESS);
441 spin_unlock_irqrestore(&ha->hardware_lock, flags);
443 return (QLA_FUNCTION_FAILED);
447 * qla2x00_start_iocbs() - Execute the IOCB command
450 qla2x00_start_iocbs(struct scsi_qla_host *vha, struct req_que *req)
452 struct qla_hw_data *ha = vha->hw;
453 device_reg_t *reg = ISP_QUE_REG(ha, req->id);
455 if (IS_P3P_TYPE(ha)) {
456 qla82xx_start_iocbs(vha);
458 /* Adjust ring index. */
460 if (req->ring_index == req->length) {
462 req->ring_ptr = req->ring;
466 /* Set chip new ring index. */
467 if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
468 WRT_REG_DWORD(req->req_q_in, req->ring_index);
469 RD_REG_DWORD_RELAXED(&ha->iobase->isp24.hccr);
470 } else if (IS_QLAFX00(ha)) {
471 WRT_REG_DWORD(®->ispfx00.req_q_in, req->ring_index);
472 RD_REG_DWORD_RELAXED(®->ispfx00.req_q_in);
473 QLAFX00_SET_HST_INTR(ha, ha->rqstq_intr_code);
474 } else if (IS_FWI2_CAPABLE(ha)) {
475 WRT_REG_DWORD(®->isp24.req_q_in, req->ring_index);
476 RD_REG_DWORD_RELAXED(®->isp24.req_q_in);
478 WRT_REG_WORD(ISP_REQ_Q_IN(ha, ®->isp),
480 RD_REG_WORD_RELAXED(ISP_REQ_Q_IN(ha, ®->isp));
486 * qla2x00_marker() - Send a marker IOCB to the firmware.
490 * @type: marker modifier
492 * Can be called from both normal and interrupt context.
494 * Returns non-zero if a failure occurred, else zero.
497 __qla2x00_marker(struct scsi_qla_host *vha, struct req_que *req,
498 struct rsp_que *rsp, uint16_t loop_id,
499 uint64_t lun, uint8_t type)
502 struct mrk_entry_24xx *mrk24 = NULL;
504 struct qla_hw_data *ha = vha->hw;
505 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
507 req = ha->req_q_map[0];
508 mrk = (mrk_entry_t *)qla2x00_alloc_iocbs(vha, NULL);
510 ql_log(ql_log_warn, base_vha, 0x3026,
511 "Failed to allocate Marker IOCB.\n");
513 return (QLA_FUNCTION_FAILED);
516 mrk->entry_type = MARKER_TYPE;
517 mrk->modifier = type;
518 if (type != MK_SYNC_ALL) {
519 if (IS_FWI2_CAPABLE(ha)) {
520 mrk24 = (struct mrk_entry_24xx *) mrk;
521 mrk24->nport_handle = cpu_to_le16(loop_id);
522 int_to_scsilun(lun, (struct scsi_lun *)&mrk24->lun);
523 host_to_fcp_swap(mrk24->lun, sizeof(mrk24->lun));
524 mrk24->vp_index = vha->vp_idx;
525 mrk24->handle = MAKE_HANDLE(req->id, mrk24->handle);
527 SET_TARGET_ID(ha, mrk->target, loop_id);
528 mrk->lun = cpu_to_le16((uint16_t)lun);
533 qla2x00_start_iocbs(vha, req);
535 return (QLA_SUCCESS);
539 qla2x00_marker(struct scsi_qla_host *vha, struct req_que *req,
540 struct rsp_que *rsp, uint16_t loop_id, uint64_t lun,
544 unsigned long flags = 0;
546 spin_lock_irqsave(&vha->hw->hardware_lock, flags);
547 ret = __qla2x00_marker(vha, req, rsp, loop_id, lun, type);
548 spin_unlock_irqrestore(&vha->hw->hardware_lock, flags);
554 * qla2x00_issue_marker
557 * Caller CAN have hardware lock held as specified by ha_locked parameter.
558 * Might release it, then reaquire.
560 int qla2x00_issue_marker(scsi_qla_host_t *vha, int ha_locked)
563 if (__qla2x00_marker(vha, vha->req, vha->req->rsp, 0, 0,
564 MK_SYNC_ALL) != QLA_SUCCESS)
565 return QLA_FUNCTION_FAILED;
567 if (qla2x00_marker(vha, vha->req, vha->req->rsp, 0, 0,
568 MK_SYNC_ALL) != QLA_SUCCESS)
569 return QLA_FUNCTION_FAILED;
571 vha->marker_needed = 0;
577 qla24xx_build_scsi_type_6_iocbs(srb_t *sp, struct cmd_type_6 *cmd_pkt,
580 uint32_t *cur_dsd = NULL;
581 scsi_qla_host_t *vha;
582 struct qla_hw_data *ha;
583 struct scsi_cmnd *cmd;
584 struct scatterlist *cur_seg;
588 uint8_t first_iocb = 1;
589 uint32_t dsd_list_len;
590 struct dsd_dma *dsd_ptr;
593 cmd = GET_CMD_SP(sp);
595 /* Update entry type to indicate Command Type 3 IOCB */
596 *((uint32_t *)(&cmd_pkt->entry_type)) = cpu_to_le32(COMMAND_TYPE_6);
598 /* No data transfer */
599 if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) {
600 cmd_pkt->byte_count = cpu_to_le32(0);
607 /* Set transfer direction */
608 if (cmd->sc_data_direction == DMA_TO_DEVICE) {
609 cmd_pkt->control_flags = cpu_to_le16(CF_WRITE_DATA);
610 vha->qla_stats.output_bytes += scsi_bufflen(cmd);
611 vha->qla_stats.output_requests++;
612 } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
613 cmd_pkt->control_flags = cpu_to_le16(CF_READ_DATA);
614 vha->qla_stats.input_bytes += scsi_bufflen(cmd);
615 vha->qla_stats.input_requests++;
618 cur_seg = scsi_sglist(cmd);
619 ctx = GET_CMD_CTX_SP(sp);
622 avail_dsds = (tot_dsds > QLA_DSDS_PER_IOCB) ?
623 QLA_DSDS_PER_IOCB : tot_dsds;
624 tot_dsds -= avail_dsds;
625 dsd_list_len = (avail_dsds + 1) * QLA_DSD_SIZE;
627 dsd_ptr = list_first_entry(&ha->gbl_dsd_list,
628 struct dsd_dma, list);
629 next_dsd = dsd_ptr->dsd_addr;
630 list_del(&dsd_ptr->list);
632 list_add_tail(&dsd_ptr->list, &ctx->dsd_list);
638 dsd_seg = (uint32_t *)&cmd_pkt->fcp_data_dseg_address;
639 *dsd_seg++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma));
640 *dsd_seg++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma));
641 cmd_pkt->fcp_data_dseg_len = cpu_to_le32(dsd_list_len);
643 *cur_dsd++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma));
644 *cur_dsd++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma));
645 *cur_dsd++ = cpu_to_le32(dsd_list_len);
647 cur_dsd = (uint32_t *)next_dsd;
651 sle_dma = sg_dma_address(cur_seg);
652 *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
653 *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
654 *cur_dsd++ = cpu_to_le32(sg_dma_len(cur_seg));
655 cur_seg = sg_next(cur_seg);
660 /* Null termination */
664 cmd_pkt->control_flags |= CF_DATA_SEG_DESCR_ENABLE;
669 * qla24xx_calc_dsd_lists() - Determine number of DSD list required
670 * for Command Type 6.
672 * @dsds: number of data segment decriptors needed
674 * Returns the number of dsd list needed to store @dsds.
676 static inline uint16_t
677 qla24xx_calc_dsd_lists(uint16_t dsds)
679 uint16_t dsd_lists = 0;
681 dsd_lists = (dsds/QLA_DSDS_PER_IOCB);
682 if (dsds % QLA_DSDS_PER_IOCB)
689 * qla24xx_build_scsi_iocbs() - Build IOCB command utilizing Command Type 7
692 * @sp: SRB command to process
693 * @cmd_pkt: Command type 3 IOCB
694 * @tot_dsds: Total number of segments to transfer
695 * @req: pointer to request queue
698 qla24xx_build_scsi_iocbs(srb_t *sp, struct cmd_type_7 *cmd_pkt,
699 uint16_t tot_dsds, struct req_que *req)
703 scsi_qla_host_t *vha;
704 struct scsi_cmnd *cmd;
705 struct scatterlist *sg;
708 cmd = GET_CMD_SP(sp);
710 /* Update entry type to indicate Command Type 3 IOCB */
711 *((uint32_t *)(&cmd_pkt->entry_type)) = cpu_to_le32(COMMAND_TYPE_7);
713 /* No data transfer */
714 if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) {
715 cmd_pkt->byte_count = cpu_to_le32(0);
721 /* Set transfer direction */
722 if (cmd->sc_data_direction == DMA_TO_DEVICE) {
723 cmd_pkt->task_mgmt_flags = cpu_to_le16(TMF_WRITE_DATA);
724 vha->qla_stats.output_bytes += scsi_bufflen(cmd);
725 vha->qla_stats.output_requests++;
726 } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
727 cmd_pkt->task_mgmt_flags = cpu_to_le16(TMF_READ_DATA);
728 vha->qla_stats.input_bytes += scsi_bufflen(cmd);
729 vha->qla_stats.input_requests++;
732 /* One DSD is available in the Command Type 3 IOCB */
734 cur_dsd = (uint32_t *)&cmd_pkt->dseg_0_address;
736 /* Load data segments */
738 scsi_for_each_sg(cmd, sg, tot_dsds, i) {
740 cont_a64_entry_t *cont_pkt;
742 /* Allocate additional continuation packets? */
743 if (avail_dsds == 0) {
745 * Five DSDs are available in the Continuation
748 cont_pkt = qla2x00_prep_cont_type1_iocb(vha, req);
749 cur_dsd = (uint32_t *)cont_pkt->dseg_0_address;
753 sle_dma = sg_dma_address(sg);
754 *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
755 *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
756 *cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
761 struct fw_dif_context {
764 uint8_t ref_tag_mask[4]; /* Validation/Replacement Mask*/
765 uint8_t app_tag_mask[2]; /* Validation/Replacement Mask*/
769 * qla24xx_set_t10dif_tags_from_cmd - Extract Ref and App tags from SCSI command
773 qla24xx_set_t10dif_tags(srb_t *sp, struct fw_dif_context *pkt,
774 unsigned int protcnt)
776 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
778 switch (scsi_get_prot_type(cmd)) {
779 case SCSI_PROT_DIF_TYPE0:
781 * No check for ql2xenablehba_err_chk, as it would be an
782 * I/O error if hba tag generation is not done.
784 pkt->ref_tag = cpu_to_le32((uint32_t)
785 (0xffffffff & scsi_get_lba(cmd)));
787 if (!qla2x00_hba_err_chk_enabled(sp))
790 pkt->ref_tag_mask[0] = 0xff;
791 pkt->ref_tag_mask[1] = 0xff;
792 pkt->ref_tag_mask[2] = 0xff;
793 pkt->ref_tag_mask[3] = 0xff;
797 * For TYPE 2 protection: 16 bit GUARD + 32 bit REF tag has to
798 * match LBA in CDB + N
800 case SCSI_PROT_DIF_TYPE2:
801 pkt->app_tag = cpu_to_le16(0);
802 pkt->app_tag_mask[0] = 0x0;
803 pkt->app_tag_mask[1] = 0x0;
805 pkt->ref_tag = cpu_to_le32((uint32_t)
806 (0xffffffff & scsi_get_lba(cmd)));
808 if (!qla2x00_hba_err_chk_enabled(sp))
811 /* enable ALL bytes of the ref tag */
812 pkt->ref_tag_mask[0] = 0xff;
813 pkt->ref_tag_mask[1] = 0xff;
814 pkt->ref_tag_mask[2] = 0xff;
815 pkt->ref_tag_mask[3] = 0xff;
818 /* For Type 3 protection: 16 bit GUARD only */
819 case SCSI_PROT_DIF_TYPE3:
820 pkt->ref_tag_mask[0] = pkt->ref_tag_mask[1] =
821 pkt->ref_tag_mask[2] = pkt->ref_tag_mask[3] =
826 * For TYpe 1 protection: 16 bit GUARD tag, 32 bit REF tag, and
829 case SCSI_PROT_DIF_TYPE1:
830 pkt->ref_tag = cpu_to_le32((uint32_t)
831 (0xffffffff & scsi_get_lba(cmd)));
832 pkt->app_tag = cpu_to_le16(0);
833 pkt->app_tag_mask[0] = 0x0;
834 pkt->app_tag_mask[1] = 0x0;
836 if (!qla2x00_hba_err_chk_enabled(sp))
839 /* enable ALL bytes of the ref tag */
840 pkt->ref_tag_mask[0] = 0xff;
841 pkt->ref_tag_mask[1] = 0xff;
842 pkt->ref_tag_mask[2] = 0xff;
843 pkt->ref_tag_mask[3] = 0xff;
849 qla24xx_get_one_block_sg(uint32_t blk_sz, struct qla2_sgx *sgx,
852 struct scatterlist *sg;
853 uint32_t cumulative_partial, sg_len;
854 dma_addr_t sg_dma_addr;
856 if (sgx->num_bytes == sgx->tot_bytes)
860 cumulative_partial = sgx->tot_partial;
862 sg_dma_addr = sg_dma_address(sg);
863 sg_len = sg_dma_len(sg);
865 sgx->dma_addr = sg_dma_addr + sgx->bytes_consumed;
867 if ((cumulative_partial + (sg_len - sgx->bytes_consumed)) >= blk_sz) {
868 sgx->dma_len = (blk_sz - cumulative_partial);
869 sgx->tot_partial = 0;
870 sgx->num_bytes += blk_sz;
873 sgx->dma_len = sg_len - sgx->bytes_consumed;
874 sgx->tot_partial += sgx->dma_len;
878 sgx->bytes_consumed += sgx->dma_len;
880 if (sg_len == sgx->bytes_consumed) {
884 sgx->bytes_consumed = 0;
891 qla24xx_walk_and_build_sglist_no_difb(struct qla_hw_data *ha, srb_t *sp,
892 uint32_t *dsd, uint16_t tot_dsds, struct qla_tc_param *tc)
895 uint8_t avail_dsds = 0;
896 uint32_t dsd_list_len;
897 struct dsd_dma *dsd_ptr;
898 struct scatterlist *sg_prot;
899 uint32_t *cur_dsd = dsd;
900 uint16_t used_dsds = tot_dsds;
901 uint32_t prot_int; /* protection interval */
905 uint32_t sle_dma_len, tot_prot_dma_len = 0;
906 struct scsi_cmnd *cmd;
908 memset(&sgx, 0, sizeof(struct qla2_sgx));
910 cmd = GET_CMD_SP(sp);
911 prot_int = cmd->device->sector_size;
913 sgx.tot_bytes = scsi_bufflen(cmd);
914 sgx.cur_sg = scsi_sglist(cmd);
917 sg_prot = scsi_prot_sglist(cmd);
919 prot_int = tc->blk_sz;
920 sgx.tot_bytes = tc->bufflen;
922 sg_prot = tc->prot_sg;
928 while (qla24xx_get_one_block_sg(prot_int, &sgx, &partial)) {
930 sle_dma = sgx.dma_addr;
931 sle_dma_len = sgx.dma_len;
933 /* Allocate additional continuation packets? */
934 if (avail_dsds == 0) {
935 avail_dsds = (used_dsds > QLA_DSDS_PER_IOCB) ?
936 QLA_DSDS_PER_IOCB : used_dsds;
937 dsd_list_len = (avail_dsds + 1) * 12;
938 used_dsds -= avail_dsds;
940 /* allocate tracking DS */
941 dsd_ptr = kzalloc(sizeof(struct dsd_dma), GFP_ATOMIC);
945 /* allocate new list */
946 dsd_ptr->dsd_addr = next_dsd =
947 dma_pool_alloc(ha->dl_dma_pool, GFP_ATOMIC,
948 &dsd_ptr->dsd_list_dma);
952 * Need to cleanup only this dsd_ptr, rest
953 * will be done by sp_free_dma()
960 list_add_tail(&dsd_ptr->list,
961 &((struct crc_context *)
962 sp->u.scmd.ctx)->dsd_list);
964 sp->flags |= SRB_CRC_CTX_DSD_VALID;
966 list_add_tail(&dsd_ptr->list,
967 &(tc->ctx->dsd_list));
968 *tc->ctx_dsd_alloced = 1;
972 /* add new list to cmd iocb or last list */
973 *cur_dsd++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma));
974 *cur_dsd++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma));
975 *cur_dsd++ = dsd_list_len;
976 cur_dsd = (uint32_t *)next_dsd;
978 *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
979 *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
980 *cur_dsd++ = cpu_to_le32(sle_dma_len);
984 /* Got a full protection interval */
985 sle_dma = sg_dma_address(sg_prot) + tot_prot_dma_len;
988 tot_prot_dma_len += sle_dma_len;
989 if (tot_prot_dma_len == sg_dma_len(sg_prot)) {
990 tot_prot_dma_len = 0;
991 sg_prot = sg_next(sg_prot);
994 partial = 1; /* So as to not re-enter this block */
998 /* Null termination */
1006 qla24xx_walk_and_build_sglist(struct qla_hw_data *ha, srb_t *sp, uint32_t *dsd,
1007 uint16_t tot_dsds, struct qla_tc_param *tc)
1010 uint8_t avail_dsds = 0;
1011 uint32_t dsd_list_len;
1012 struct dsd_dma *dsd_ptr;
1013 struct scatterlist *sg, *sgl;
1014 uint32_t *cur_dsd = dsd;
1016 uint16_t used_dsds = tot_dsds;
1017 struct scsi_cmnd *cmd;
1020 cmd = GET_CMD_SP(sp);
1021 sgl = scsi_sglist(cmd);
1030 for_each_sg(sgl, sg, tot_dsds, i) {
1033 /* Allocate additional continuation packets? */
1034 if (avail_dsds == 0) {
1035 avail_dsds = (used_dsds > QLA_DSDS_PER_IOCB) ?
1036 QLA_DSDS_PER_IOCB : used_dsds;
1037 dsd_list_len = (avail_dsds + 1) * 12;
1038 used_dsds -= avail_dsds;
1040 /* allocate tracking DS */
1041 dsd_ptr = kzalloc(sizeof(struct dsd_dma), GFP_ATOMIC);
1045 /* allocate new list */
1046 dsd_ptr->dsd_addr = next_dsd =
1047 dma_pool_alloc(ha->dl_dma_pool, GFP_ATOMIC,
1048 &dsd_ptr->dsd_list_dma);
1052 * Need to cleanup only this dsd_ptr, rest
1053 * will be done by sp_free_dma()
1060 list_add_tail(&dsd_ptr->list,
1061 &((struct crc_context *)
1062 sp->u.scmd.ctx)->dsd_list);
1064 sp->flags |= SRB_CRC_CTX_DSD_VALID;
1066 list_add_tail(&dsd_ptr->list,
1067 &(tc->ctx->dsd_list));
1068 *tc->ctx_dsd_alloced = 1;
1071 /* add new list to cmd iocb or last list */
1072 *cur_dsd++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma));
1073 *cur_dsd++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma));
1074 *cur_dsd++ = dsd_list_len;
1075 cur_dsd = (uint32_t *)next_dsd;
1077 sle_dma = sg_dma_address(sg);
1079 *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
1080 *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
1081 *cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
1085 /* Null termination */
1093 qla24xx_walk_and_build_prot_sglist(struct qla_hw_data *ha, srb_t *sp,
1094 uint32_t *dsd, uint16_t tot_dsds, struct qla_tc_param *tc)
1097 uint8_t avail_dsds = 0;
1098 uint32_t dsd_list_len;
1099 struct dsd_dma *dsd_ptr;
1100 struct scatterlist *sg, *sgl;
1102 struct scsi_cmnd *cmd;
1103 uint32_t *cur_dsd = dsd;
1104 uint16_t used_dsds = tot_dsds;
1105 struct scsi_qla_host *vha;
1108 cmd = GET_CMD_SP(sp);
1109 sgl = scsi_prot_sglist(cmd);
1119 ql_dbg(ql_dbg_tgt, vha, 0xe021,
1120 "%s: enter\n", __func__);
1122 for_each_sg(sgl, sg, tot_dsds, i) {
1125 /* Allocate additional continuation packets? */
1126 if (avail_dsds == 0) {
1127 avail_dsds = (used_dsds > QLA_DSDS_PER_IOCB) ?
1128 QLA_DSDS_PER_IOCB : used_dsds;
1129 dsd_list_len = (avail_dsds + 1) * 12;
1130 used_dsds -= avail_dsds;
1132 /* allocate tracking DS */
1133 dsd_ptr = kzalloc(sizeof(struct dsd_dma), GFP_ATOMIC);
1137 /* allocate new list */
1138 dsd_ptr->dsd_addr = next_dsd =
1139 dma_pool_alloc(ha->dl_dma_pool, GFP_ATOMIC,
1140 &dsd_ptr->dsd_list_dma);
1144 * Need to cleanup only this dsd_ptr, rest
1145 * will be done by sp_free_dma()
1152 list_add_tail(&dsd_ptr->list,
1153 &((struct crc_context *)
1154 sp->u.scmd.ctx)->dsd_list);
1156 sp->flags |= SRB_CRC_CTX_DSD_VALID;
1158 list_add_tail(&dsd_ptr->list,
1159 &(tc->ctx->dsd_list));
1160 *tc->ctx_dsd_alloced = 1;
1163 /* add new list to cmd iocb or last list */
1164 *cur_dsd++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma));
1165 *cur_dsd++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma));
1166 *cur_dsd++ = dsd_list_len;
1167 cur_dsd = (uint32_t *)next_dsd;
1169 sle_dma = sg_dma_address(sg);
1171 *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
1172 *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
1173 *cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
1177 /* Null termination */
1185 * qla24xx_build_scsi_crc_2_iocbs() - Build IOCB command utilizing Command
1186 * Type 6 IOCB types.
1188 * @sp: SRB command to process
1189 * @cmd_pkt: Command type 3 IOCB
1190 * @tot_dsds: Total number of segments to transfer
1193 qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt,
1194 uint16_t tot_dsds, uint16_t tot_prot_dsds, uint16_t fw_prot_opts)
1196 uint32_t *cur_dsd, *fcp_dl;
1197 scsi_qla_host_t *vha;
1198 struct scsi_cmnd *cmd;
1199 uint32_t total_bytes = 0;
1200 uint32_t data_bytes;
1202 uint8_t bundling = 1;
1205 struct crc_context *crc_ctx_pkt = NULL;
1206 struct qla_hw_data *ha;
1207 uint8_t additional_fcpcdb_len;
1208 uint16_t fcp_cmnd_len;
1209 struct fcp_cmnd *fcp_cmnd;
1210 dma_addr_t crc_ctx_dma;
1212 cmd = GET_CMD_SP(sp);
1214 /* Update entry type to indicate Command Type CRC_2 IOCB */
1215 *((uint32_t *)(&cmd_pkt->entry_type)) = cpu_to_le32(COMMAND_TYPE_CRC_2);
1220 /* No data transfer */
1221 data_bytes = scsi_bufflen(cmd);
1222 if (!data_bytes || cmd->sc_data_direction == DMA_NONE) {
1223 cmd_pkt->byte_count = cpu_to_le32(0);
1227 cmd_pkt->vp_index = sp->vha->vp_idx;
1229 /* Set transfer direction */
1230 if (cmd->sc_data_direction == DMA_TO_DEVICE) {
1231 cmd_pkt->control_flags =
1232 cpu_to_le16(CF_WRITE_DATA);
1233 } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
1234 cmd_pkt->control_flags =
1235 cpu_to_le16(CF_READ_DATA);
1238 if ((scsi_get_prot_op(cmd) == SCSI_PROT_READ_INSERT) ||
1239 (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_STRIP) ||
1240 (scsi_get_prot_op(cmd) == SCSI_PROT_READ_STRIP) ||
1241 (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_INSERT))
1244 /* Allocate CRC context from global pool */
1245 crc_ctx_pkt = sp->u.scmd.ctx =
1246 dma_pool_alloc(ha->dl_dma_pool, GFP_ATOMIC, &crc_ctx_dma);
1249 goto crc_queuing_error;
1251 /* Zero out CTX area. */
1252 clr_ptr = (uint8_t *)crc_ctx_pkt;
1253 memset(clr_ptr, 0, sizeof(*crc_ctx_pkt));
1255 crc_ctx_pkt->crc_ctx_dma = crc_ctx_dma;
1257 sp->flags |= SRB_CRC_CTX_DMA_VALID;
1260 crc_ctx_pkt->handle = cmd_pkt->handle;
1262 INIT_LIST_HEAD(&crc_ctx_pkt->dsd_list);
1264 qla24xx_set_t10dif_tags(sp, (struct fw_dif_context *)
1265 &crc_ctx_pkt->ref_tag, tot_prot_dsds);
1267 cmd_pkt->crc_context_address[0] = cpu_to_le32(LSD(crc_ctx_dma));
1268 cmd_pkt->crc_context_address[1] = cpu_to_le32(MSD(crc_ctx_dma));
1269 cmd_pkt->crc_context_len = CRC_CONTEXT_LEN_FW;
1271 /* Determine SCSI command length -- align to 4 byte boundary */
1272 if (cmd->cmd_len > 16) {
1273 additional_fcpcdb_len = cmd->cmd_len - 16;
1274 if ((cmd->cmd_len % 4) != 0) {
1275 /* SCSI cmd > 16 bytes must be multiple of 4 */
1276 goto crc_queuing_error;
1278 fcp_cmnd_len = 12 + cmd->cmd_len + 4;
1280 additional_fcpcdb_len = 0;
1281 fcp_cmnd_len = 12 + 16 + 4;
1284 fcp_cmnd = &crc_ctx_pkt->fcp_cmnd;
1286 fcp_cmnd->additional_cdb_len = additional_fcpcdb_len;
1287 if (cmd->sc_data_direction == DMA_TO_DEVICE)
1288 fcp_cmnd->additional_cdb_len |= 1;
1289 else if (cmd->sc_data_direction == DMA_FROM_DEVICE)
1290 fcp_cmnd->additional_cdb_len |= 2;
1292 int_to_scsilun(cmd->device->lun, &fcp_cmnd->lun);
1293 memcpy(fcp_cmnd->cdb, cmd->cmnd, cmd->cmd_len);
1294 cmd_pkt->fcp_cmnd_dseg_len = cpu_to_le16(fcp_cmnd_len);
1295 cmd_pkt->fcp_cmnd_dseg_address[0] = cpu_to_le32(
1296 LSD(crc_ctx_dma + CRC_CONTEXT_FCPCMND_OFF));
1297 cmd_pkt->fcp_cmnd_dseg_address[1] = cpu_to_le32(
1298 MSD(crc_ctx_dma + CRC_CONTEXT_FCPCMND_OFF));
1299 fcp_cmnd->task_management = 0;
1300 fcp_cmnd->task_attribute = TSK_SIMPLE;
1302 cmd_pkt->fcp_rsp_dseg_len = 0; /* Let response come in status iocb */
1304 /* Compute dif len and adjust data len to incude protection */
1306 blk_size = cmd->device->sector_size;
1307 dif_bytes = (data_bytes / blk_size) * 8;
1309 switch (scsi_get_prot_op(GET_CMD_SP(sp))) {
1310 case SCSI_PROT_READ_INSERT:
1311 case SCSI_PROT_WRITE_STRIP:
1312 total_bytes = data_bytes;
1313 data_bytes += dif_bytes;
1316 case SCSI_PROT_READ_STRIP:
1317 case SCSI_PROT_WRITE_INSERT:
1318 case SCSI_PROT_READ_PASS:
1319 case SCSI_PROT_WRITE_PASS:
1320 total_bytes = data_bytes + dif_bytes;
1326 if (!qla2x00_hba_err_chk_enabled(sp))
1327 fw_prot_opts |= 0x10; /* Disable Guard tag checking */
1328 /* HBA error checking enabled */
1329 else if (IS_PI_UNINIT_CAPABLE(ha)) {
1330 if ((scsi_get_prot_type(GET_CMD_SP(sp)) == SCSI_PROT_DIF_TYPE1)
1331 || (scsi_get_prot_type(GET_CMD_SP(sp)) ==
1332 SCSI_PROT_DIF_TYPE2))
1333 fw_prot_opts |= BIT_10;
1334 else if (scsi_get_prot_type(GET_CMD_SP(sp)) ==
1335 SCSI_PROT_DIF_TYPE3)
1336 fw_prot_opts |= BIT_11;
1340 cur_dsd = (uint32_t *) &crc_ctx_pkt->u.nobundling.data_address;
1343 * Configure Bundling if we need to fetch interlaving
1344 * protection PCI accesses
1346 fw_prot_opts |= PO_ENABLE_DIF_BUNDLING;
1347 crc_ctx_pkt->u.bundling.dif_byte_count = cpu_to_le32(dif_bytes);
1348 crc_ctx_pkt->u.bundling.dseg_count = cpu_to_le16(tot_dsds -
1350 cur_dsd = (uint32_t *) &crc_ctx_pkt->u.bundling.data_address;
1353 /* Finish the common fields of CRC pkt */
1354 crc_ctx_pkt->blk_size = cpu_to_le16(blk_size);
1355 crc_ctx_pkt->prot_opts = cpu_to_le16(fw_prot_opts);
1356 crc_ctx_pkt->byte_count = cpu_to_le32(data_bytes);
1357 crc_ctx_pkt->guard_seed = cpu_to_le16(0);
1358 /* Fibre channel byte count */
1359 cmd_pkt->byte_count = cpu_to_le32(total_bytes);
1360 fcp_dl = (uint32_t *)(crc_ctx_pkt->fcp_cmnd.cdb + 16 +
1361 additional_fcpcdb_len);
1362 *fcp_dl = htonl(total_bytes);
1364 if (!data_bytes || cmd->sc_data_direction == DMA_NONE) {
1365 cmd_pkt->byte_count = cpu_to_le32(0);
1368 /* Walks data segments */
1370 cmd_pkt->control_flags |= cpu_to_le16(CF_DATA_SEG_DESCR_ENABLE);
1372 if (!bundling && tot_prot_dsds) {
1373 if (qla24xx_walk_and_build_sglist_no_difb(ha, sp,
1374 cur_dsd, tot_dsds, NULL))
1375 goto crc_queuing_error;
1376 } else if (qla24xx_walk_and_build_sglist(ha, sp, cur_dsd,
1377 (tot_dsds - tot_prot_dsds), NULL))
1378 goto crc_queuing_error;
1380 if (bundling && tot_prot_dsds) {
1381 /* Walks dif segments */
1382 cmd_pkt->control_flags |= cpu_to_le16(CF_DIF_SEG_DESCR_ENABLE);
1383 cur_dsd = (uint32_t *) &crc_ctx_pkt->u.bundling.dif_address;
1384 if (qla24xx_walk_and_build_prot_sglist(ha, sp, cur_dsd,
1385 tot_prot_dsds, NULL))
1386 goto crc_queuing_error;
1391 /* Cleanup will be performed by the caller */
1393 return QLA_FUNCTION_FAILED;
1397 * qla24xx_start_scsi() - Send a SCSI command to the ISP
1398 * @sp: command to send to the ISP
1400 * Returns non-zero if a failure occurred, else zero.
1403 qla24xx_start_scsi(srb_t *sp)
1406 unsigned long flags;
1410 struct cmd_type_7 *cmd_pkt;
1414 struct req_que *req = NULL;
1415 struct rsp_que *rsp = NULL;
1416 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
1417 struct scsi_qla_host *vha = sp->vha;
1418 struct qla_hw_data *ha = vha->hw;
1420 /* Setup device pointers. */
1424 /* So we know we haven't pci_map'ed anything yet */
1427 /* Send marker if required */
1428 if (vha->marker_needed != 0) {
1429 if (qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL) !=
1431 return QLA_FUNCTION_FAILED;
1432 vha->marker_needed = 0;
1435 /* Acquire ring specific lock */
1436 spin_lock_irqsave(&ha->hardware_lock, flags);
1438 /* Check for room in outstanding command list. */
1439 handle = req->current_outstanding_cmd;
1440 for (index = 1; index < req->num_outstanding_cmds; index++) {
1442 if (handle == req->num_outstanding_cmds)
1444 if (!req->outstanding_cmds[handle])
1447 if (index == req->num_outstanding_cmds)
1450 /* Map the sg table so we have an accurate count of sg entries needed */
1451 if (scsi_sg_count(cmd)) {
1452 nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
1453 scsi_sg_count(cmd), cmd->sc_data_direction);
1454 if (unlikely(!nseg))
1460 req_cnt = qla24xx_calc_iocbs(vha, tot_dsds);
1461 if (req->cnt < (req_cnt + 2)) {
1462 cnt = IS_SHADOW_REG_CAPABLE(ha) ? *req->out_ptr :
1463 RD_REG_DWORD_RELAXED(req->req_q_out);
1464 if (req->ring_index < cnt)
1465 req->cnt = cnt - req->ring_index;
1467 req->cnt = req->length -
1468 (req->ring_index - cnt);
1469 if (req->cnt < (req_cnt + 2))
1473 /* Build command packet. */
1474 req->current_outstanding_cmd = handle;
1475 req->outstanding_cmds[handle] = sp;
1476 sp->handle = handle;
1477 cmd->host_scribble = (unsigned char *)(unsigned long)handle;
1478 req->cnt -= req_cnt;
1480 cmd_pkt = (struct cmd_type_7 *)req->ring_ptr;
1481 cmd_pkt->handle = MAKE_HANDLE(req->id, handle);
1483 /* Zero out remaining portion of packet. */
1484 /* tagged queuing modifier -- default is TSK_SIMPLE (0). */
1485 clr_ptr = (uint32_t *)cmd_pkt + 2;
1486 memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8);
1487 cmd_pkt->dseg_count = cpu_to_le16(tot_dsds);
1489 /* Set NPORT-ID and LUN number*/
1490 cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id);
1491 cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa;
1492 cmd_pkt->port_id[1] = sp->fcport->d_id.b.area;
1493 cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain;
1494 cmd_pkt->vp_index = sp->vha->vp_idx;
1496 int_to_scsilun(cmd->device->lun, &cmd_pkt->lun);
1497 host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun));
1499 cmd_pkt->task = TSK_SIMPLE;
1501 /* Load SCSI command packet. */
1502 memcpy(cmd_pkt->fcp_cdb, cmd->cmnd, cmd->cmd_len);
1503 host_to_fcp_swap(cmd_pkt->fcp_cdb, sizeof(cmd_pkt->fcp_cdb));
1505 cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd));
1507 /* Build IOCB segments */
1508 qla24xx_build_scsi_iocbs(sp, cmd_pkt, tot_dsds, req);
1510 /* Set total data segment count. */
1511 cmd_pkt->entry_count = (uint8_t)req_cnt;
1513 /* Adjust ring index. */
1515 if (req->ring_index == req->length) {
1516 req->ring_index = 0;
1517 req->ring_ptr = req->ring;
1521 sp->flags |= SRB_DMA_VALID;
1523 /* Set chip new ring index. */
1524 WRT_REG_DWORD(req->req_q_in, req->ring_index);
1525 RD_REG_DWORD_RELAXED(&ha->iobase->isp24.hccr);
1527 /* Manage unprocessed RIO/ZIO commands in response queue. */
1528 if (vha->flags.process_response_queue &&
1529 rsp->ring_ptr->signature != RESPONSE_PROCESSED)
1530 qla24xx_process_response_queue(vha, rsp);
1532 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1537 scsi_dma_unmap(cmd);
1539 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1541 return QLA_FUNCTION_FAILED;
1545 * qla24xx_dif_start_scsi() - Send a SCSI command to the ISP
1546 * @sp: command to send to the ISP
1548 * Returns non-zero if a failure occurred, else zero.
1551 qla24xx_dif_start_scsi(srb_t *sp)
1554 unsigned long flags;
1559 uint16_t req_cnt = 0;
1561 uint16_t tot_prot_dsds;
1562 uint16_t fw_prot_opts = 0;
1563 struct req_que *req = NULL;
1564 struct rsp_que *rsp = NULL;
1565 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
1566 struct scsi_qla_host *vha = sp->vha;
1567 struct qla_hw_data *ha = vha->hw;
1568 struct cmd_type_crc_2 *cmd_pkt;
1569 uint32_t status = 0;
1571 #define QDSS_GOT_Q_SPACE BIT_0
1573 /* Only process protection or >16 cdb in this routine */
1574 if (scsi_get_prot_op(cmd) == SCSI_PROT_NORMAL) {
1575 if (cmd->cmd_len <= 16)
1576 return qla24xx_start_scsi(sp);
1579 /* Setup device pointers. */
1583 /* So we know we haven't pci_map'ed anything yet */
1586 /* Send marker if required */
1587 if (vha->marker_needed != 0) {
1588 if (qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL) !=
1590 return QLA_FUNCTION_FAILED;
1591 vha->marker_needed = 0;
1594 /* Acquire ring specific lock */
1595 spin_lock_irqsave(&ha->hardware_lock, flags);
1597 /* Check for room in outstanding command list. */
1598 handle = req->current_outstanding_cmd;
1599 for (index = 1; index < req->num_outstanding_cmds; index++) {
1601 if (handle == req->num_outstanding_cmds)
1603 if (!req->outstanding_cmds[handle])
1607 if (index == req->num_outstanding_cmds)
1610 /* Compute number of required data segments */
1611 /* Map the sg table so we have an accurate count of sg entries needed */
1612 if (scsi_sg_count(cmd)) {
1613 nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
1614 scsi_sg_count(cmd), cmd->sc_data_direction);
1615 if (unlikely(!nseg))
1618 sp->flags |= SRB_DMA_VALID;
1620 if ((scsi_get_prot_op(cmd) == SCSI_PROT_READ_INSERT) ||
1621 (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_STRIP)) {
1622 struct qla2_sgx sgx;
1625 memset(&sgx, 0, sizeof(struct qla2_sgx));
1626 sgx.tot_bytes = scsi_bufflen(cmd);
1627 sgx.cur_sg = scsi_sglist(cmd);
1631 while (qla24xx_get_one_block_sg(
1632 cmd->device->sector_size, &sgx, &partial))
1638 /* number of required data segments */
1641 /* Compute number of required protection segments */
1642 if (qla24xx_configure_prot_mode(sp, &fw_prot_opts)) {
1643 nseg = dma_map_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
1644 scsi_prot_sg_count(cmd), cmd->sc_data_direction);
1645 if (unlikely(!nseg))
1648 sp->flags |= SRB_CRC_PROT_DMA_VALID;
1650 if ((scsi_get_prot_op(cmd) == SCSI_PROT_READ_INSERT) ||
1651 (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_STRIP)) {
1652 nseg = scsi_bufflen(cmd) / cmd->device->sector_size;
1659 /* Total Data and protection sg segment(s) */
1660 tot_prot_dsds = nseg;
1662 if (req->cnt < (req_cnt + 2)) {
1663 cnt = IS_SHADOW_REG_CAPABLE(ha) ? *req->out_ptr :
1664 RD_REG_DWORD_RELAXED(req->req_q_out);
1665 if (req->ring_index < cnt)
1666 req->cnt = cnt - req->ring_index;
1668 req->cnt = req->length -
1669 (req->ring_index - cnt);
1670 if (req->cnt < (req_cnt + 2))
1674 status |= QDSS_GOT_Q_SPACE;
1676 /* Build header part of command packet (excluding the OPCODE). */
1677 req->current_outstanding_cmd = handle;
1678 req->outstanding_cmds[handle] = sp;
1679 sp->handle = handle;
1680 cmd->host_scribble = (unsigned char *)(unsigned long)handle;
1681 req->cnt -= req_cnt;
1683 /* Fill-in common area */
1684 cmd_pkt = (struct cmd_type_crc_2 *)req->ring_ptr;
1685 cmd_pkt->handle = MAKE_HANDLE(req->id, handle);
1687 clr_ptr = (uint32_t *)cmd_pkt + 2;
1688 memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8);
1690 /* Set NPORT-ID and LUN number*/
1691 cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id);
1692 cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa;
1693 cmd_pkt->port_id[1] = sp->fcport->d_id.b.area;
1694 cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain;
1696 int_to_scsilun(cmd->device->lun, &cmd_pkt->lun);
1697 host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun));
1699 /* Total Data and protection segment(s) */
1700 cmd_pkt->dseg_count = cpu_to_le16(tot_dsds);
1702 /* Build IOCB segments and adjust for data protection segments */
1703 if (qla24xx_build_scsi_crc_2_iocbs(sp, (struct cmd_type_crc_2 *)
1704 req->ring_ptr, tot_dsds, tot_prot_dsds, fw_prot_opts) !=
1708 cmd_pkt->entry_count = (uint8_t)req_cnt;
1709 /* Specify response queue number where completion should happen */
1710 cmd_pkt->entry_status = (uint8_t) rsp->id;
1711 cmd_pkt->timeout = cpu_to_le16(0);
1714 /* Adjust ring index. */
1716 if (req->ring_index == req->length) {
1717 req->ring_index = 0;
1718 req->ring_ptr = req->ring;
1722 /* Set chip new ring index. */
1723 WRT_REG_DWORD(req->req_q_in, req->ring_index);
1724 RD_REG_DWORD_RELAXED(&ha->iobase->isp24.hccr);
1726 /* Manage unprocessed RIO/ZIO commands in response queue. */
1727 if (vha->flags.process_response_queue &&
1728 rsp->ring_ptr->signature != RESPONSE_PROCESSED)
1729 qla24xx_process_response_queue(vha, rsp);
1731 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1736 if (status & QDSS_GOT_Q_SPACE) {
1737 req->outstanding_cmds[handle] = NULL;
1738 req->cnt += req_cnt;
1740 /* Cleanup will be performed by the caller (queuecommand) */
1742 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1743 return QLA_FUNCTION_FAILED;
1747 * qla2xxx_start_scsi_mq() - Send a SCSI command to the ISP
1748 * @sp: command to send to the ISP
1750 * Returns non-zero if a failure occurred, else zero.
1753 qla2xxx_start_scsi_mq(srb_t *sp)
1756 unsigned long flags;
1760 struct cmd_type_7 *cmd_pkt;
1764 struct req_que *req = NULL;
1765 struct rsp_que *rsp = NULL;
1766 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
1767 struct scsi_qla_host *vha = sp->fcport->vha;
1768 struct qla_hw_data *ha = vha->hw;
1769 struct qla_qpair *qpair = sp->qpair;
1771 /* Setup qpair pointers */
1775 /* So we know we haven't pci_map'ed anything yet */
1778 /* Send marker if required */
1779 if (vha->marker_needed != 0) {
1780 if (qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL) !=
1782 return QLA_FUNCTION_FAILED;
1783 vha->marker_needed = 0;
1786 /* Acquire qpair specific lock */
1787 spin_lock_irqsave(&qpair->qp_lock, flags);
1789 /* Check for room in outstanding command list. */
1790 handle = req->current_outstanding_cmd;
1791 for (index = 1; index < req->num_outstanding_cmds; index++) {
1793 if (handle == req->num_outstanding_cmds)
1795 if (!req->outstanding_cmds[handle])
1798 if (index == req->num_outstanding_cmds)
1801 /* Map the sg table so we have an accurate count of sg entries needed */
1802 if (scsi_sg_count(cmd)) {
1803 nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
1804 scsi_sg_count(cmd), cmd->sc_data_direction);
1805 if (unlikely(!nseg))
1811 req_cnt = qla24xx_calc_iocbs(vha, tot_dsds);
1812 if (req->cnt < (req_cnt + 2)) {
1813 cnt = IS_SHADOW_REG_CAPABLE(ha) ? *req->out_ptr :
1814 RD_REG_DWORD_RELAXED(req->req_q_out);
1815 if (req->ring_index < cnt)
1816 req->cnt = cnt - req->ring_index;
1818 req->cnt = req->length -
1819 (req->ring_index - cnt);
1820 if (req->cnt < (req_cnt + 2))
1824 /* Build command packet. */
1825 req->current_outstanding_cmd = handle;
1826 req->outstanding_cmds[handle] = sp;
1827 sp->handle = handle;
1828 cmd->host_scribble = (unsigned char *)(unsigned long)handle;
1829 req->cnt -= req_cnt;
1831 cmd_pkt = (struct cmd_type_7 *)req->ring_ptr;
1832 cmd_pkt->handle = MAKE_HANDLE(req->id, handle);
1834 /* Zero out remaining portion of packet. */
1835 /* tagged queuing modifier -- default is TSK_SIMPLE (0). */
1836 clr_ptr = (uint32_t *)cmd_pkt + 2;
1837 memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8);
1838 cmd_pkt->dseg_count = cpu_to_le16(tot_dsds);
1840 /* Set NPORT-ID and LUN number*/
1841 cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id);
1842 cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa;
1843 cmd_pkt->port_id[1] = sp->fcport->d_id.b.area;
1844 cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain;
1845 cmd_pkt->vp_index = sp->fcport->vha->vp_idx;
1847 int_to_scsilun(cmd->device->lun, &cmd_pkt->lun);
1848 host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun));
1850 cmd_pkt->task = TSK_SIMPLE;
1852 /* Load SCSI command packet. */
1853 memcpy(cmd_pkt->fcp_cdb, cmd->cmnd, cmd->cmd_len);
1854 host_to_fcp_swap(cmd_pkt->fcp_cdb, sizeof(cmd_pkt->fcp_cdb));
1856 cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd));
1858 /* Build IOCB segments */
1859 qla24xx_build_scsi_iocbs(sp, cmd_pkt, tot_dsds, req);
1861 /* Set total data segment count. */
1862 cmd_pkt->entry_count = (uint8_t)req_cnt;
1864 /* Adjust ring index. */
1866 if (req->ring_index == req->length) {
1867 req->ring_index = 0;
1868 req->ring_ptr = req->ring;
1872 sp->flags |= SRB_DMA_VALID;
1874 /* Set chip new ring index. */
1875 WRT_REG_DWORD(req->req_q_in, req->ring_index);
1877 /* Manage unprocessed RIO/ZIO commands in response queue. */
1878 if (vha->flags.process_response_queue &&
1879 rsp->ring_ptr->signature != RESPONSE_PROCESSED)
1880 qla24xx_process_response_queue(vha, rsp);
1882 spin_unlock_irqrestore(&qpair->qp_lock, flags);
1887 scsi_dma_unmap(cmd);
1889 spin_unlock_irqrestore(&qpair->qp_lock, flags);
1891 return QLA_FUNCTION_FAILED;
1896 * qla2xxx_dif_start_scsi_mq() - Send a SCSI command to the ISP
1897 * @sp: command to send to the ISP
1899 * Returns non-zero if a failure occurred, else zero.
1902 qla2xxx_dif_start_scsi_mq(srb_t *sp)
1905 unsigned long flags;
1910 uint16_t req_cnt = 0;
1912 uint16_t tot_prot_dsds;
1913 uint16_t fw_prot_opts = 0;
1914 struct req_que *req = NULL;
1915 struct rsp_que *rsp = NULL;
1916 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
1917 struct scsi_qla_host *vha = sp->fcport->vha;
1918 struct qla_hw_data *ha = vha->hw;
1919 struct cmd_type_crc_2 *cmd_pkt;
1920 uint32_t status = 0;
1921 struct qla_qpair *qpair = sp->qpair;
1923 #define QDSS_GOT_Q_SPACE BIT_0
1925 /* Check for host side state */
1926 if (!qpair->online) {
1927 cmd->result = DID_NO_CONNECT << 16;
1928 return QLA_INTERFACE_ERROR;
1931 if (!qpair->difdix_supported &&
1932 scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
1933 cmd->result = DID_NO_CONNECT << 16;
1934 return QLA_INTERFACE_ERROR;
1937 /* Only process protection or >16 cdb in this routine */
1938 if (scsi_get_prot_op(cmd) == SCSI_PROT_NORMAL) {
1939 if (cmd->cmd_len <= 16)
1940 return qla2xxx_start_scsi_mq(sp);
1943 /* Setup qpair pointers */
1947 /* So we know we haven't pci_map'ed anything yet */
1950 /* Send marker if required */
1951 if (vha->marker_needed != 0) {
1952 if (qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL) !=
1954 return QLA_FUNCTION_FAILED;
1955 vha->marker_needed = 0;
1958 /* Acquire ring specific lock */
1959 spin_lock_irqsave(&qpair->qp_lock, flags);
1961 /* Check for room in outstanding command list. */
1962 handle = req->current_outstanding_cmd;
1963 for (index = 1; index < req->num_outstanding_cmds; index++) {
1965 if (handle == req->num_outstanding_cmds)
1967 if (!req->outstanding_cmds[handle])
1971 if (index == req->num_outstanding_cmds)
1974 /* Compute number of required data segments */
1975 /* Map the sg table so we have an accurate count of sg entries needed */
1976 if (scsi_sg_count(cmd)) {
1977 nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
1978 scsi_sg_count(cmd), cmd->sc_data_direction);
1979 if (unlikely(!nseg))
1982 sp->flags |= SRB_DMA_VALID;
1984 if ((scsi_get_prot_op(cmd) == SCSI_PROT_READ_INSERT) ||
1985 (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_STRIP)) {
1986 struct qla2_sgx sgx;
1989 memset(&sgx, 0, sizeof(struct qla2_sgx));
1990 sgx.tot_bytes = scsi_bufflen(cmd);
1991 sgx.cur_sg = scsi_sglist(cmd);
1995 while (qla24xx_get_one_block_sg(
1996 cmd->device->sector_size, &sgx, &partial))
2002 /* number of required data segments */
2005 /* Compute number of required protection segments */
2006 if (qla24xx_configure_prot_mode(sp, &fw_prot_opts)) {
2007 nseg = dma_map_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
2008 scsi_prot_sg_count(cmd), cmd->sc_data_direction);
2009 if (unlikely(!nseg))
2012 sp->flags |= SRB_CRC_PROT_DMA_VALID;
2014 if ((scsi_get_prot_op(cmd) == SCSI_PROT_READ_INSERT) ||
2015 (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_STRIP)) {
2016 nseg = scsi_bufflen(cmd) / cmd->device->sector_size;
2023 /* Total Data and protection sg segment(s) */
2024 tot_prot_dsds = nseg;
2026 if (req->cnt < (req_cnt + 2)) {
2027 cnt = IS_SHADOW_REG_CAPABLE(ha) ? *req->out_ptr :
2028 RD_REG_DWORD_RELAXED(req->req_q_out);
2029 if (req->ring_index < cnt)
2030 req->cnt = cnt - req->ring_index;
2032 req->cnt = req->length -
2033 (req->ring_index - cnt);
2034 if (req->cnt < (req_cnt + 2))
2038 status |= QDSS_GOT_Q_SPACE;
2040 /* Build header part of command packet (excluding the OPCODE). */
2041 req->current_outstanding_cmd = handle;
2042 req->outstanding_cmds[handle] = sp;
2043 sp->handle = handle;
2044 cmd->host_scribble = (unsigned char *)(unsigned long)handle;
2045 req->cnt -= req_cnt;
2047 /* Fill-in common area */
2048 cmd_pkt = (struct cmd_type_crc_2 *)req->ring_ptr;
2049 cmd_pkt->handle = MAKE_HANDLE(req->id, handle);
2051 clr_ptr = (uint32_t *)cmd_pkt + 2;
2052 memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8);
2054 /* Set NPORT-ID and LUN number*/
2055 cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id);
2056 cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa;
2057 cmd_pkt->port_id[1] = sp->fcport->d_id.b.area;
2058 cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain;
2060 int_to_scsilun(cmd->device->lun, &cmd_pkt->lun);
2061 host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun));
2063 /* Total Data and protection segment(s) */
2064 cmd_pkt->dseg_count = cpu_to_le16(tot_dsds);
2066 /* Build IOCB segments and adjust for data protection segments */
2067 if (qla24xx_build_scsi_crc_2_iocbs(sp, (struct cmd_type_crc_2 *)
2068 req->ring_ptr, tot_dsds, tot_prot_dsds, fw_prot_opts) !=
2072 cmd_pkt->entry_count = (uint8_t)req_cnt;
2073 cmd_pkt->timeout = cpu_to_le16(0);
2076 /* Adjust ring index. */
2078 if (req->ring_index == req->length) {
2079 req->ring_index = 0;
2080 req->ring_ptr = req->ring;
2084 /* Set chip new ring index. */
2085 WRT_REG_DWORD(req->req_q_in, req->ring_index);
2087 /* Manage unprocessed RIO/ZIO commands in response queue. */
2088 if (vha->flags.process_response_queue &&
2089 rsp->ring_ptr->signature != RESPONSE_PROCESSED)
2090 qla24xx_process_response_queue(vha, rsp);
2092 spin_unlock_irqrestore(&qpair->qp_lock, flags);
2097 if (status & QDSS_GOT_Q_SPACE) {
2098 req->outstanding_cmds[handle] = NULL;
2099 req->cnt += req_cnt;
2101 /* Cleanup will be performed by the caller (queuecommand) */
2103 spin_unlock_irqrestore(&qpair->qp_lock, flags);
2104 return QLA_FUNCTION_FAILED;
2107 /* Generic Control-SRB manipulation functions. */
2109 /* hardware_lock assumed to be held. */
2111 qla2x00_alloc_iocbs_ready(scsi_qla_host_t *vha, srb_t *sp)
2113 if (qla2x00_reset_active(vha))
2116 return qla2x00_alloc_iocbs(vha, sp);
2120 qla2x00_alloc_iocbs(scsi_qla_host_t *vha, srb_t *sp)
2122 struct qla_hw_data *ha = vha->hw;
2123 struct req_que *req = ha->req_q_map[0];
2124 device_reg_t *reg = ISP_QUE_REG(ha, req->id);
2125 uint32_t index, handle;
2127 uint16_t cnt, req_cnt;
2134 goto skip_cmd_array;
2136 /* Check for room in outstanding command list. */
2137 handle = req->current_outstanding_cmd;
2138 for (index = 1; index < req->num_outstanding_cmds; index++) {
2140 if (handle == req->num_outstanding_cmds)
2142 if (!req->outstanding_cmds[handle])
2145 if (index == req->num_outstanding_cmds) {
2146 ql_log(ql_log_warn, vha, 0x700b,
2147 "No room on outstanding cmd array.\n");
2151 /* Prep command array. */
2152 req->current_outstanding_cmd = handle;
2153 req->outstanding_cmds[handle] = sp;
2154 sp->handle = handle;
2156 /* Adjust entry-counts as needed. */
2157 if (sp->type != SRB_SCSI_CMD)
2158 req_cnt = sp->iocbs;
2161 /* Check for room on request queue. */
2162 if (req->cnt < req_cnt + 2) {
2163 if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha))
2164 cnt = RD_REG_DWORD(®->isp25mq.req_q_out);
2165 else if (IS_P3P_TYPE(ha))
2166 cnt = RD_REG_DWORD(®->isp82.req_q_out);
2167 else if (IS_FWI2_CAPABLE(ha))
2168 cnt = RD_REG_DWORD(®->isp24.req_q_out);
2169 else if (IS_QLAFX00(ha))
2170 cnt = RD_REG_DWORD(®->ispfx00.req_q_out);
2172 cnt = qla2x00_debounce_register(
2173 ISP_REQ_Q_OUT(ha, ®->isp));
2175 if (req->ring_index < cnt)
2176 req->cnt = cnt - req->ring_index;
2178 req->cnt = req->length -
2179 (req->ring_index - cnt);
2181 if (req->cnt < req_cnt + 2)
2185 req->cnt -= req_cnt;
2186 pkt = req->ring_ptr;
2187 memset(pkt, 0, REQUEST_ENTRY_SIZE);
2188 if (IS_QLAFX00(ha)) {
2189 WRT_REG_BYTE((void __iomem *)&pkt->entry_count, req_cnt);
2190 WRT_REG_WORD((void __iomem *)&pkt->handle, handle);
2192 pkt->entry_count = req_cnt;
2193 pkt->handle = handle;
2197 vha->tgt_counters.num_alloc_iocb_failed++;
2202 qla24xx_login_iocb(srb_t *sp, struct logio_entry_24xx *logio)
2204 struct srb_iocb *lio = &sp->u.iocb_cmd;
2206 logio->entry_type = LOGINOUT_PORT_IOCB_TYPE;
2207 logio->control_flags = cpu_to_le16(LCF_COMMAND_PLOGI);
2208 if (lio->u.logio.flags & SRB_LOGIN_COND_PLOGI)
2209 logio->control_flags |= cpu_to_le16(LCF_COND_PLOGI);
2210 if (lio->u.logio.flags & SRB_LOGIN_SKIP_PRLI)
2211 logio->control_flags |= cpu_to_le16(LCF_SKIP_PRLI);
2212 logio->nport_handle = cpu_to_le16(sp->fcport->loop_id);
2213 logio->port_id[0] = sp->fcport->d_id.b.al_pa;
2214 logio->port_id[1] = sp->fcport->d_id.b.area;
2215 logio->port_id[2] = sp->fcport->d_id.b.domain;
2216 logio->vp_index = sp->vha->vp_idx;
2220 qla2x00_login_iocb(srb_t *sp, struct mbx_entry *mbx)
2222 struct qla_hw_data *ha = sp->vha->hw;
2223 struct srb_iocb *lio = &sp->u.iocb_cmd;
2226 mbx->entry_type = MBX_IOCB_TYPE;
2227 SET_TARGET_ID(ha, mbx->loop_id, sp->fcport->loop_id);
2228 mbx->mb0 = cpu_to_le16(MBC_LOGIN_FABRIC_PORT);
2229 opts = lio->u.logio.flags & SRB_LOGIN_COND_PLOGI ? BIT_0 : 0;
2230 opts |= lio->u.logio.flags & SRB_LOGIN_SKIP_PRLI ? BIT_1 : 0;
2231 if (HAS_EXTENDED_IDS(ha)) {
2232 mbx->mb1 = cpu_to_le16(sp->fcport->loop_id);
2233 mbx->mb10 = cpu_to_le16(opts);
2235 mbx->mb1 = cpu_to_le16((sp->fcport->loop_id << 8) | opts);
2237 mbx->mb2 = cpu_to_le16(sp->fcport->d_id.b.domain);
2238 mbx->mb3 = cpu_to_le16(sp->fcport->d_id.b.area << 8 |
2239 sp->fcport->d_id.b.al_pa);
2240 mbx->mb9 = cpu_to_le16(sp->vha->vp_idx);
2244 qla24xx_logout_iocb(srb_t *sp, struct logio_entry_24xx *logio)
2246 logio->entry_type = LOGINOUT_PORT_IOCB_TYPE;
2247 logio->control_flags =
2248 cpu_to_le16(LCF_COMMAND_LOGO|LCF_IMPL_LOGO);
2249 if (!sp->fcport->se_sess ||
2250 !sp->fcport->keep_nport_handle)
2251 logio->control_flags |= cpu_to_le16(LCF_FREE_NPORT);
2252 logio->nport_handle = cpu_to_le16(sp->fcport->loop_id);
2253 logio->port_id[0] = sp->fcport->d_id.b.al_pa;
2254 logio->port_id[1] = sp->fcport->d_id.b.area;
2255 logio->port_id[2] = sp->fcport->d_id.b.domain;
2256 logio->vp_index = sp->vha->vp_idx;
2260 qla2x00_logout_iocb(srb_t *sp, struct mbx_entry *mbx)
2262 struct qla_hw_data *ha = sp->vha->hw;
2264 mbx->entry_type = MBX_IOCB_TYPE;
2265 SET_TARGET_ID(ha, mbx->loop_id, sp->fcport->loop_id);
2266 mbx->mb0 = cpu_to_le16(MBC_LOGOUT_FABRIC_PORT);
2267 mbx->mb1 = HAS_EXTENDED_IDS(ha) ?
2268 cpu_to_le16(sp->fcport->loop_id):
2269 cpu_to_le16(sp->fcport->loop_id << 8);
2270 mbx->mb2 = cpu_to_le16(sp->fcport->d_id.b.domain);
2271 mbx->mb3 = cpu_to_le16(sp->fcport->d_id.b.area << 8 |
2272 sp->fcport->d_id.b.al_pa);
2273 mbx->mb9 = cpu_to_le16(sp->vha->vp_idx);
2274 /* Implicit: mbx->mbx10 = 0. */
2278 qla24xx_adisc_iocb(srb_t *sp, struct logio_entry_24xx *logio)
2280 logio->entry_type = LOGINOUT_PORT_IOCB_TYPE;
2281 logio->control_flags = cpu_to_le16(LCF_COMMAND_ADISC);
2282 logio->nport_handle = cpu_to_le16(sp->fcport->loop_id);
2283 logio->vp_index = sp->vha->vp_idx;
2287 qla2x00_adisc_iocb(srb_t *sp, struct mbx_entry *mbx)
2289 struct qla_hw_data *ha = sp->vha->hw;
2291 mbx->entry_type = MBX_IOCB_TYPE;
2292 SET_TARGET_ID(ha, mbx->loop_id, sp->fcport->loop_id);
2293 mbx->mb0 = cpu_to_le16(MBC_GET_PORT_DATABASE);
2294 if (HAS_EXTENDED_IDS(ha)) {
2295 mbx->mb1 = cpu_to_le16(sp->fcport->loop_id);
2296 mbx->mb10 = cpu_to_le16(BIT_0);
2298 mbx->mb1 = cpu_to_le16((sp->fcport->loop_id << 8) | BIT_0);
2300 mbx->mb2 = cpu_to_le16(MSW(ha->async_pd_dma));
2301 mbx->mb3 = cpu_to_le16(LSW(ha->async_pd_dma));
2302 mbx->mb6 = cpu_to_le16(MSW(MSD(ha->async_pd_dma)));
2303 mbx->mb7 = cpu_to_le16(LSW(MSD(ha->async_pd_dma)));
2304 mbx->mb9 = cpu_to_le16(sp->vha->vp_idx);
2308 qla24xx_tm_iocb(srb_t *sp, struct tsk_mgmt_entry *tsk)
2312 struct fc_port *fcport = sp->fcport;
2313 scsi_qla_host_t *vha = fcport->vha;
2314 struct qla_hw_data *ha = vha->hw;
2315 struct srb_iocb *iocb = &sp->u.iocb_cmd;
2316 struct req_que *req = vha->req;
2318 flags = iocb->u.tmf.flags;
2319 lun = iocb->u.tmf.lun;
2321 tsk->entry_type = TSK_MGMT_IOCB_TYPE;
2322 tsk->entry_count = 1;
2323 tsk->handle = MAKE_HANDLE(req->id, tsk->handle);
2324 tsk->nport_handle = cpu_to_le16(fcport->loop_id);
2325 tsk->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
2326 tsk->control_flags = cpu_to_le32(flags);
2327 tsk->port_id[0] = fcport->d_id.b.al_pa;
2328 tsk->port_id[1] = fcport->d_id.b.area;
2329 tsk->port_id[2] = fcport->d_id.b.domain;
2330 tsk->vp_index = fcport->vha->vp_idx;
2332 if (flags == TCF_LUN_RESET) {
2333 int_to_scsilun(lun, &tsk->lun);
2334 host_to_fcp_swap((uint8_t *)&tsk->lun,
2340 qla2x00_els_dcmd_sp_free(void *data)
2343 struct srb_iocb *elsio = &sp->u.iocb_cmd;
2347 if (elsio->u.els_logo.els_logo_pyld)
2348 dma_free_coherent(&sp->vha->hw->pdev->dev, DMA_POOL_SIZE,
2349 elsio->u.els_logo.els_logo_pyld,
2350 elsio->u.els_logo.els_logo_pyld_dma);
2352 del_timer(&elsio->timer);
2357 qla2x00_els_dcmd_iocb_timeout(void *data)
2360 fc_port_t *fcport = sp->fcport;
2361 struct scsi_qla_host *vha = sp->vha;
2362 struct qla_hw_data *ha = vha->hw;
2363 struct srb_iocb *lio = &sp->u.iocb_cmd;
2364 unsigned long flags = 0;
2366 ql_dbg(ql_dbg_io, vha, 0x3069,
2367 "%s Timeout, hdl=%x, portid=%02x%02x%02x\n",
2368 sp->name, sp->handle, fcport->d_id.b.domain, fcport->d_id.b.area,
2369 fcport->d_id.b.al_pa);
2371 /* Abort the exchange */
2372 spin_lock_irqsave(&ha->hardware_lock, flags);
2373 if (ha->isp_ops->abort_command(sp)) {
2374 ql_dbg(ql_dbg_io, vha, 0x3070,
2375 "mbx abort_command failed.\n");
2377 ql_dbg(ql_dbg_io, vha, 0x3071,
2378 "mbx abort_command success.\n");
2380 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2382 complete(&lio->u.els_logo.comp);
2386 qla2x00_els_dcmd_sp_done(void *ptr, int res)
2389 fc_port_t *fcport = sp->fcport;
2390 struct srb_iocb *lio = &sp->u.iocb_cmd;
2391 struct scsi_qla_host *vha = sp->vha;
2393 ql_dbg(ql_dbg_io, vha, 0x3072,
2394 "%s hdl=%x, portid=%02x%02x%02x done\n",
2395 sp->name, sp->handle, fcport->d_id.b.domain,
2396 fcport->d_id.b.area, fcport->d_id.b.al_pa);
2398 complete(&lio->u.els_logo.comp);
2402 qla24xx_els_dcmd_iocb(scsi_qla_host_t *vha, int els_opcode,
2403 port_id_t remote_did)
2406 fc_port_t *fcport = NULL;
2407 struct srb_iocb *elsio = NULL;
2408 struct qla_hw_data *ha = vha->hw;
2409 struct els_logo_payload logo_pyld;
2410 int rval = QLA_SUCCESS;
2412 fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2414 ql_log(ql_log_info, vha, 0x70e5, "fcport allocation failed\n");
2418 /* Alloc SRB structure */
2419 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
2422 ql_log(ql_log_info, vha, 0x70e6,
2423 "SRB allocation failed\n");
2427 elsio = &sp->u.iocb_cmd;
2428 fcport->loop_id = 0xFFFF;
2429 fcport->d_id.b.domain = remote_did.b.domain;
2430 fcport->d_id.b.area = remote_did.b.area;
2431 fcport->d_id.b.al_pa = remote_did.b.al_pa;
2433 ql_dbg(ql_dbg_io, vha, 0x3073, "portid=%02x%02x%02x done\n",
2434 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa);
2436 sp->type = SRB_ELS_DCMD;
2437 sp->name = "ELS_DCMD";
2438 sp->fcport = fcport;
2439 qla2x00_init_timer(sp, ELS_DCMD_TIMEOUT);
2440 elsio->timeout = qla2x00_els_dcmd_iocb_timeout;
2441 sp->done = qla2x00_els_dcmd_sp_done;
2442 sp->free = qla2x00_els_dcmd_sp_free;
2444 elsio->u.els_logo.els_logo_pyld = dma_alloc_coherent(&ha->pdev->dev,
2445 DMA_POOL_SIZE, &elsio->u.els_logo.els_logo_pyld_dma,
2448 if (!elsio->u.els_logo.els_logo_pyld) {
2450 return QLA_FUNCTION_FAILED;
2453 memset(&logo_pyld, 0, sizeof(struct els_logo_payload));
2455 elsio->u.els_logo.els_cmd = els_opcode;
2456 logo_pyld.opcode = els_opcode;
2457 logo_pyld.s_id[0] = vha->d_id.b.al_pa;
2458 logo_pyld.s_id[1] = vha->d_id.b.area;
2459 logo_pyld.s_id[2] = vha->d_id.b.domain;
2460 host_to_fcp_swap(logo_pyld.s_id, sizeof(uint32_t));
2461 memcpy(&logo_pyld.wwpn, vha->port_name, WWN_SIZE);
2463 memcpy(elsio->u.els_logo.els_logo_pyld, &logo_pyld,
2464 sizeof(struct els_logo_payload));
2466 rval = qla2x00_start_sp(sp);
2467 if (rval != QLA_SUCCESS) {
2469 return QLA_FUNCTION_FAILED;
2472 ql_dbg(ql_dbg_io, vha, 0x3074,
2473 "%s LOGO sent, hdl=%x, loopid=%x, portid=%02x%02x%02x.\n",
2474 sp->name, sp->handle, fcport->loop_id, fcport->d_id.b.domain,
2475 fcport->d_id.b.area, fcport->d_id.b.al_pa);
2477 wait_for_completion(&elsio->u.els_logo.comp);
2484 qla24xx_els_logo_iocb(srb_t *sp, struct els_entry_24xx *els_iocb)
2486 scsi_qla_host_t *vha = sp->vha;
2487 struct srb_iocb *elsio = &sp->u.iocb_cmd;
2489 els_iocb->entry_type = ELS_IOCB_TYPE;
2490 els_iocb->entry_count = 1;
2491 els_iocb->sys_define = 0;
2492 els_iocb->entry_status = 0;
2493 els_iocb->handle = sp->handle;
2494 els_iocb->nport_handle = cpu_to_le16(sp->fcport->loop_id);
2495 els_iocb->tx_dsd_count = 1;
2496 els_iocb->vp_index = vha->vp_idx;
2497 els_iocb->sof_type = EST_SOFI3;
2498 els_iocb->rx_dsd_count = 0;
2499 els_iocb->opcode = elsio->u.els_logo.els_cmd;
2501 els_iocb->port_id[0] = sp->fcport->d_id.b.al_pa;
2502 els_iocb->port_id[1] = sp->fcport->d_id.b.area;
2503 els_iocb->port_id[2] = sp->fcport->d_id.b.domain;
2504 els_iocb->control_flags = 0;
2506 els_iocb->tx_byte_count = sizeof(struct els_logo_payload);
2507 els_iocb->tx_address[0] =
2508 cpu_to_le32(LSD(elsio->u.els_logo.els_logo_pyld_dma));
2509 els_iocb->tx_address[1] =
2510 cpu_to_le32(MSD(elsio->u.els_logo.els_logo_pyld_dma));
2511 els_iocb->tx_len = cpu_to_le32(sizeof(struct els_logo_payload));
2513 els_iocb->rx_byte_count = 0;
2514 els_iocb->rx_address[0] = 0;
2515 els_iocb->rx_address[1] = 0;
2516 els_iocb->rx_len = 0;
2518 sp->vha->qla_stats.control_requests++;
2522 qla24xx_els_iocb(srb_t *sp, struct els_entry_24xx *els_iocb)
2524 struct bsg_job *bsg_job = sp->u.bsg_job;
2525 struct fc_bsg_request *bsg_request = bsg_job->request;
2527 els_iocb->entry_type = ELS_IOCB_TYPE;
2528 els_iocb->entry_count = 1;
2529 els_iocb->sys_define = 0;
2530 els_iocb->entry_status = 0;
2531 els_iocb->handle = sp->handle;
2532 els_iocb->nport_handle = cpu_to_le16(sp->fcport->loop_id);
2533 els_iocb->tx_dsd_count = cpu_to_le16(bsg_job->request_payload.sg_cnt);
2534 els_iocb->vp_index = sp->vha->vp_idx;
2535 els_iocb->sof_type = EST_SOFI3;
2536 els_iocb->rx_dsd_count = cpu_to_le16(bsg_job->reply_payload.sg_cnt);
2539 sp->type == SRB_ELS_CMD_RPT ?
2540 bsg_request->rqst_data.r_els.els_code :
2541 bsg_request->rqst_data.h_els.command_code;
2542 els_iocb->port_id[0] = sp->fcport->d_id.b.al_pa;
2543 els_iocb->port_id[1] = sp->fcport->d_id.b.area;
2544 els_iocb->port_id[2] = sp->fcport->d_id.b.domain;
2545 els_iocb->control_flags = 0;
2546 els_iocb->rx_byte_count =
2547 cpu_to_le32(bsg_job->reply_payload.payload_len);
2548 els_iocb->tx_byte_count =
2549 cpu_to_le32(bsg_job->request_payload.payload_len);
2551 els_iocb->tx_address[0] = cpu_to_le32(LSD(sg_dma_address
2552 (bsg_job->request_payload.sg_list)));
2553 els_iocb->tx_address[1] = cpu_to_le32(MSD(sg_dma_address
2554 (bsg_job->request_payload.sg_list)));
2555 els_iocb->tx_len = cpu_to_le32(sg_dma_len
2556 (bsg_job->request_payload.sg_list));
2558 els_iocb->rx_address[0] = cpu_to_le32(LSD(sg_dma_address
2559 (bsg_job->reply_payload.sg_list)));
2560 els_iocb->rx_address[1] = cpu_to_le32(MSD(sg_dma_address
2561 (bsg_job->reply_payload.sg_list)));
2562 els_iocb->rx_len = cpu_to_le32(sg_dma_len
2563 (bsg_job->reply_payload.sg_list));
2565 sp->vha->qla_stats.control_requests++;
2569 qla2x00_ct_iocb(srb_t *sp, ms_iocb_entry_t *ct_iocb)
2571 uint16_t avail_dsds;
2573 struct scatterlist *sg;
2576 scsi_qla_host_t *vha = sp->vha;
2577 struct qla_hw_data *ha = vha->hw;
2578 struct bsg_job *bsg_job = sp->u.bsg_job;
2579 int loop_iterartion = 0;
2580 int entry_count = 1;
2582 memset(ct_iocb, 0, sizeof(ms_iocb_entry_t));
2583 ct_iocb->entry_type = CT_IOCB_TYPE;
2584 ct_iocb->entry_status = 0;
2585 ct_iocb->handle1 = sp->handle;
2586 SET_TARGET_ID(ha, ct_iocb->loop_id, sp->fcport->loop_id);
2587 ct_iocb->status = cpu_to_le16(0);
2588 ct_iocb->control_flags = cpu_to_le16(0);
2589 ct_iocb->timeout = 0;
2590 ct_iocb->cmd_dsd_count =
2591 cpu_to_le16(bsg_job->request_payload.sg_cnt);
2592 ct_iocb->total_dsd_count =
2593 cpu_to_le16(bsg_job->request_payload.sg_cnt + 1);
2594 ct_iocb->req_bytecount =
2595 cpu_to_le32(bsg_job->request_payload.payload_len);
2596 ct_iocb->rsp_bytecount =
2597 cpu_to_le32(bsg_job->reply_payload.payload_len);
2599 ct_iocb->dseg_req_address[0] = cpu_to_le32(LSD(sg_dma_address
2600 (bsg_job->request_payload.sg_list)));
2601 ct_iocb->dseg_req_address[1] = cpu_to_le32(MSD(sg_dma_address
2602 (bsg_job->request_payload.sg_list)));
2603 ct_iocb->dseg_req_length = ct_iocb->req_bytecount;
2605 ct_iocb->dseg_rsp_address[0] = cpu_to_le32(LSD(sg_dma_address
2606 (bsg_job->reply_payload.sg_list)));
2607 ct_iocb->dseg_rsp_address[1] = cpu_to_le32(MSD(sg_dma_address
2608 (bsg_job->reply_payload.sg_list)));
2609 ct_iocb->dseg_rsp_length = ct_iocb->rsp_bytecount;
2612 cur_dsd = (uint32_t *)ct_iocb->dseg_rsp_address;
2614 tot_dsds = bsg_job->reply_payload.sg_cnt;
2616 for_each_sg(bsg_job->reply_payload.sg_list, sg, tot_dsds, index) {
2618 cont_a64_entry_t *cont_pkt;
2620 /* Allocate additional continuation packets? */
2621 if (avail_dsds == 0) {
2623 * Five DSDs are available in the Cont.
2626 cont_pkt = qla2x00_prep_cont_type1_iocb(vha,
2627 vha->hw->req_q_map[0]);
2628 cur_dsd = (uint32_t *) cont_pkt->dseg_0_address;
2633 sle_dma = sg_dma_address(sg);
2634 *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
2635 *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
2636 *cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
2640 ct_iocb->entry_count = entry_count;
2642 sp->vha->qla_stats.control_requests++;
2646 qla24xx_ct_iocb(srb_t *sp, struct ct_entry_24xx *ct_iocb)
2648 uint16_t avail_dsds;
2650 struct scatterlist *sg;
2653 scsi_qla_host_t *vha = sp->vha;
2654 struct qla_hw_data *ha = vha->hw;
2655 struct bsg_job *bsg_job = sp->u.bsg_job;
2656 int loop_iterartion = 0;
2657 int entry_count = 1;
2659 ct_iocb->entry_type = CT_IOCB_TYPE;
2660 ct_iocb->entry_status = 0;
2661 ct_iocb->sys_define = 0;
2662 ct_iocb->handle = sp->handle;
2664 ct_iocb->nport_handle = cpu_to_le16(sp->fcport->loop_id);
2665 ct_iocb->vp_index = sp->vha->vp_idx;
2666 ct_iocb->comp_status = cpu_to_le16(0);
2668 ct_iocb->cmd_dsd_count =
2669 cpu_to_le16(bsg_job->request_payload.sg_cnt);
2670 ct_iocb->timeout = 0;
2671 ct_iocb->rsp_dsd_count =
2672 cpu_to_le16(bsg_job->reply_payload.sg_cnt);
2673 ct_iocb->rsp_byte_count =
2674 cpu_to_le32(bsg_job->reply_payload.payload_len);
2675 ct_iocb->cmd_byte_count =
2676 cpu_to_le32(bsg_job->request_payload.payload_len);
2677 ct_iocb->dseg_0_address[0] = cpu_to_le32(LSD(sg_dma_address
2678 (bsg_job->request_payload.sg_list)));
2679 ct_iocb->dseg_0_address[1] = cpu_to_le32(MSD(sg_dma_address
2680 (bsg_job->request_payload.sg_list)));
2681 ct_iocb->dseg_0_len = cpu_to_le32(sg_dma_len
2682 (bsg_job->request_payload.sg_list));
2685 cur_dsd = (uint32_t *)ct_iocb->dseg_1_address;
2687 tot_dsds = bsg_job->reply_payload.sg_cnt;
2689 for_each_sg(bsg_job->reply_payload.sg_list, sg, tot_dsds, index) {
2691 cont_a64_entry_t *cont_pkt;
2693 /* Allocate additional continuation packets? */
2694 if (avail_dsds == 0) {
2696 * Five DSDs are available in the Cont.
2699 cont_pkt = qla2x00_prep_cont_type1_iocb(vha,
2701 cur_dsd = (uint32_t *) cont_pkt->dseg_0_address;
2706 sle_dma = sg_dma_address(sg);
2707 *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
2708 *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
2709 *cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
2713 ct_iocb->entry_count = entry_count;
2717 * qla82xx_start_scsi() - Send a SCSI command to the ISP
2718 * @sp: command to send to the ISP
2720 * Returns non-zero if a failure occurred, else zero.
2723 qla82xx_start_scsi(srb_t *sp)
2726 unsigned long flags;
2727 struct scsi_cmnd *cmd;
2734 struct device_reg_82xx __iomem *reg;
2737 uint8_t additional_cdb_len;
2738 struct ct6_dsd *ctx;
2739 struct scsi_qla_host *vha = sp->vha;
2740 struct qla_hw_data *ha = vha->hw;
2741 struct req_que *req = NULL;
2742 struct rsp_que *rsp = NULL;
2744 /* Setup device pointers. */
2745 reg = &ha->iobase->isp82;
2746 cmd = GET_CMD_SP(sp);
2748 rsp = ha->rsp_q_map[0];
2750 /* So we know we haven't pci_map'ed anything yet */
2753 dbval = 0x04 | (ha->portnum << 5);
2755 /* Send marker if required */
2756 if (vha->marker_needed != 0) {
2757 if (qla2x00_marker(vha, req,
2758 rsp, 0, 0, MK_SYNC_ALL) != QLA_SUCCESS) {
2759 ql_log(ql_log_warn, vha, 0x300c,
2760 "qla2x00_marker failed for cmd=%p.\n", cmd);
2761 return QLA_FUNCTION_FAILED;
2763 vha->marker_needed = 0;
2766 /* Acquire ring specific lock */
2767 spin_lock_irqsave(&ha->hardware_lock, flags);
2769 /* Check for room in outstanding command list. */
2770 handle = req->current_outstanding_cmd;
2771 for (index = 1; index < req->num_outstanding_cmds; index++) {
2773 if (handle == req->num_outstanding_cmds)
2775 if (!req->outstanding_cmds[handle])
2778 if (index == req->num_outstanding_cmds)
2781 /* Map the sg table so we have an accurate count of sg entries needed */
2782 if (scsi_sg_count(cmd)) {
2783 nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
2784 scsi_sg_count(cmd), cmd->sc_data_direction);
2785 if (unlikely(!nseg))
2792 if (tot_dsds > ql2xshiftctondsd) {
2793 struct cmd_type_6 *cmd_pkt;
2794 uint16_t more_dsd_lists = 0;
2795 struct dsd_dma *dsd_ptr;
2798 more_dsd_lists = qla24xx_calc_dsd_lists(tot_dsds);
2799 if ((more_dsd_lists + ha->gbl_dsd_inuse) >= NUM_DSD_CHAIN) {
2800 ql_dbg(ql_dbg_io, vha, 0x300d,
2801 "Num of DSD list %d is than %d for cmd=%p.\n",
2802 more_dsd_lists + ha->gbl_dsd_inuse, NUM_DSD_CHAIN,
2807 if (more_dsd_lists <= ha->gbl_dsd_avail)
2808 goto sufficient_dsds;
2810 more_dsd_lists -= ha->gbl_dsd_avail;
2812 for (i = 0; i < more_dsd_lists; i++) {
2813 dsd_ptr = kzalloc(sizeof(struct dsd_dma), GFP_ATOMIC);
2815 ql_log(ql_log_fatal, vha, 0x300e,
2816 "Failed to allocate memory for dsd_dma "
2817 "for cmd=%p.\n", cmd);
2821 dsd_ptr->dsd_addr = dma_pool_alloc(ha->dl_dma_pool,
2822 GFP_ATOMIC, &dsd_ptr->dsd_list_dma);
2823 if (!dsd_ptr->dsd_addr) {
2825 ql_log(ql_log_fatal, vha, 0x300f,
2826 "Failed to allocate memory for dsd_addr "
2827 "for cmd=%p.\n", cmd);
2830 list_add_tail(&dsd_ptr->list, &ha->gbl_dsd_list);
2831 ha->gbl_dsd_avail++;
2837 if (req->cnt < (req_cnt + 2)) {
2838 cnt = (uint16_t)RD_REG_DWORD_RELAXED(
2839 ®->req_q_out[0]);
2840 if (req->ring_index < cnt)
2841 req->cnt = cnt - req->ring_index;
2843 req->cnt = req->length -
2844 (req->ring_index - cnt);
2845 if (req->cnt < (req_cnt + 2))
2849 ctx = sp->u.scmd.ctx =
2850 mempool_alloc(ha->ctx_mempool, GFP_ATOMIC);
2852 ql_log(ql_log_fatal, vha, 0x3010,
2853 "Failed to allocate ctx for cmd=%p.\n", cmd);
2857 memset(ctx, 0, sizeof(struct ct6_dsd));
2858 ctx->fcp_cmnd = dma_pool_alloc(ha->fcp_cmnd_dma_pool,
2859 GFP_ATOMIC, &ctx->fcp_cmnd_dma);
2860 if (!ctx->fcp_cmnd) {
2861 ql_log(ql_log_fatal, vha, 0x3011,
2862 "Failed to allocate fcp_cmnd for cmd=%p.\n", cmd);
2866 /* Initialize the DSD list and dma handle */
2867 INIT_LIST_HEAD(&ctx->dsd_list);
2868 ctx->dsd_use_cnt = 0;
2870 if (cmd->cmd_len > 16) {
2871 additional_cdb_len = cmd->cmd_len - 16;
2872 if ((cmd->cmd_len % 4) != 0) {
2873 /* SCSI command bigger than 16 bytes must be
2876 ql_log(ql_log_warn, vha, 0x3012,
2877 "scsi cmd len %d not multiple of 4 "
2878 "for cmd=%p.\n", cmd->cmd_len, cmd);
2879 goto queuing_error_fcp_cmnd;
2881 ctx->fcp_cmnd_len = 12 + cmd->cmd_len + 4;
2883 additional_cdb_len = 0;
2884 ctx->fcp_cmnd_len = 12 + 16 + 4;
2887 cmd_pkt = (struct cmd_type_6 *)req->ring_ptr;
2888 cmd_pkt->handle = MAKE_HANDLE(req->id, handle);
2890 /* Zero out remaining portion of packet. */
2891 /* tagged queuing modifier -- default is TSK_SIMPLE (0). */
2892 clr_ptr = (uint32_t *)cmd_pkt + 2;
2893 memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8);
2894 cmd_pkt->dseg_count = cpu_to_le16(tot_dsds);
2896 /* Set NPORT-ID and LUN number*/
2897 cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id);
2898 cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa;
2899 cmd_pkt->port_id[1] = sp->fcport->d_id.b.area;
2900 cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain;
2901 cmd_pkt->vp_index = sp->vha->vp_idx;
2903 /* Build IOCB segments */
2904 if (qla24xx_build_scsi_type_6_iocbs(sp, cmd_pkt, tot_dsds))
2905 goto queuing_error_fcp_cmnd;
2907 int_to_scsilun(cmd->device->lun, &cmd_pkt->lun);
2908 host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun));
2910 /* build FCP_CMND IU */
2911 memset(ctx->fcp_cmnd, 0, sizeof(struct fcp_cmnd));
2912 int_to_scsilun(cmd->device->lun, &ctx->fcp_cmnd->lun);
2913 ctx->fcp_cmnd->additional_cdb_len = additional_cdb_len;
2915 if (cmd->sc_data_direction == DMA_TO_DEVICE)
2916 ctx->fcp_cmnd->additional_cdb_len |= 1;
2917 else if (cmd->sc_data_direction == DMA_FROM_DEVICE)
2918 ctx->fcp_cmnd->additional_cdb_len |= 2;
2920 /* Populate the FCP_PRIO. */
2921 if (ha->flags.fcp_prio_enabled)
2922 ctx->fcp_cmnd->task_attribute |=
2923 sp->fcport->fcp_prio << 3;
2925 memcpy(ctx->fcp_cmnd->cdb, cmd->cmnd, cmd->cmd_len);
2927 fcp_dl = (uint32_t *)(ctx->fcp_cmnd->cdb + 16 +
2928 additional_cdb_len);
2929 *fcp_dl = htonl((uint32_t)scsi_bufflen(cmd));
2931 cmd_pkt->fcp_cmnd_dseg_len = cpu_to_le16(ctx->fcp_cmnd_len);
2932 cmd_pkt->fcp_cmnd_dseg_address[0] =
2933 cpu_to_le32(LSD(ctx->fcp_cmnd_dma));
2934 cmd_pkt->fcp_cmnd_dseg_address[1] =
2935 cpu_to_le32(MSD(ctx->fcp_cmnd_dma));
2937 sp->flags |= SRB_FCP_CMND_DMA_VALID;
2938 cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd));
2939 /* Set total data segment count. */
2940 cmd_pkt->entry_count = (uint8_t)req_cnt;
2941 /* Specify response queue number where
2942 * completion should happen
2944 cmd_pkt->entry_status = (uint8_t) rsp->id;
2946 struct cmd_type_7 *cmd_pkt;
2947 req_cnt = qla24xx_calc_iocbs(vha, tot_dsds);
2948 if (req->cnt < (req_cnt + 2)) {
2949 cnt = (uint16_t)RD_REG_DWORD_RELAXED(
2950 ®->req_q_out[0]);
2951 if (req->ring_index < cnt)
2952 req->cnt = cnt - req->ring_index;
2954 req->cnt = req->length -
2955 (req->ring_index - cnt);
2957 if (req->cnt < (req_cnt + 2))
2960 cmd_pkt = (struct cmd_type_7 *)req->ring_ptr;
2961 cmd_pkt->handle = MAKE_HANDLE(req->id, handle);
2963 /* Zero out remaining portion of packet. */
2964 /* tagged queuing modifier -- default is TSK_SIMPLE (0).*/
2965 clr_ptr = (uint32_t *)cmd_pkt + 2;
2966 memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8);
2967 cmd_pkt->dseg_count = cpu_to_le16(tot_dsds);
2969 /* Set NPORT-ID and LUN number*/
2970 cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id);
2971 cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa;
2972 cmd_pkt->port_id[1] = sp->fcport->d_id.b.area;
2973 cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain;
2974 cmd_pkt->vp_index = sp->vha->vp_idx;
2976 int_to_scsilun(cmd->device->lun, &cmd_pkt->lun);
2977 host_to_fcp_swap((uint8_t *)&cmd_pkt->lun,
2978 sizeof(cmd_pkt->lun));
2980 /* Populate the FCP_PRIO. */
2981 if (ha->flags.fcp_prio_enabled)
2982 cmd_pkt->task |= sp->fcport->fcp_prio << 3;
2984 /* Load SCSI command packet. */
2985 memcpy(cmd_pkt->fcp_cdb, cmd->cmnd, cmd->cmd_len);
2986 host_to_fcp_swap(cmd_pkt->fcp_cdb, sizeof(cmd_pkt->fcp_cdb));
2988 cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd));
2990 /* Build IOCB segments */
2991 qla24xx_build_scsi_iocbs(sp, cmd_pkt, tot_dsds, req);
2993 /* Set total data segment count. */
2994 cmd_pkt->entry_count = (uint8_t)req_cnt;
2995 /* Specify response queue number where
2996 * completion should happen.
2998 cmd_pkt->entry_status = (uint8_t) rsp->id;
3001 /* Build command packet. */
3002 req->current_outstanding_cmd = handle;
3003 req->outstanding_cmds[handle] = sp;
3004 sp->handle = handle;
3005 cmd->host_scribble = (unsigned char *)(unsigned long)handle;
3006 req->cnt -= req_cnt;
3009 /* Adjust ring index. */
3011 if (req->ring_index == req->length) {
3012 req->ring_index = 0;
3013 req->ring_ptr = req->ring;
3017 sp->flags |= SRB_DMA_VALID;
3019 /* Set chip new ring index. */
3020 /* write, read and verify logic */
3021 dbval = dbval | (req->id << 8) | (req->ring_index << 16);
3023 qla82xx_wr_32(ha, (uintptr_t __force)ha->nxdb_wr_ptr, dbval);
3025 WRT_REG_DWORD(ha->nxdb_wr_ptr, dbval);
3027 while (RD_REG_DWORD(ha->nxdb_rd_ptr) != dbval) {
3028 WRT_REG_DWORD(ha->nxdb_wr_ptr, dbval);
3033 /* Manage unprocessed RIO/ZIO commands in response queue. */
3034 if (vha->flags.process_response_queue &&
3035 rsp->ring_ptr->signature != RESPONSE_PROCESSED)
3036 qla24xx_process_response_queue(vha, rsp);
3038 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3041 queuing_error_fcp_cmnd:
3042 dma_pool_free(ha->fcp_cmnd_dma_pool, ctx->fcp_cmnd, ctx->fcp_cmnd_dma);
3045 scsi_dma_unmap(cmd);
3047 if (sp->u.scmd.ctx) {
3048 mempool_free(sp->u.scmd.ctx, ha->ctx_mempool);
3049 sp->u.scmd.ctx = NULL;
3051 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3053 return QLA_FUNCTION_FAILED;
3057 qla24xx_abort_iocb(srb_t *sp, struct abort_entry_24xx *abt_iocb)
3059 struct srb_iocb *aio = &sp->u.iocb_cmd;
3060 scsi_qla_host_t *vha = sp->vha;
3061 struct req_que *req = vha->req;
3063 memset(abt_iocb, 0, sizeof(struct abort_entry_24xx));
3064 abt_iocb->entry_type = ABORT_IOCB_TYPE;
3065 abt_iocb->entry_count = 1;
3066 abt_iocb->handle = cpu_to_le32(MAKE_HANDLE(req->id, sp->handle));
3067 abt_iocb->nport_handle = cpu_to_le16(sp->fcport->loop_id);
3068 abt_iocb->handle_to_abort =
3069 cpu_to_le32(MAKE_HANDLE(req->id, aio->u.abt.cmd_hndl));
3070 abt_iocb->port_id[0] = sp->fcport->d_id.b.al_pa;
3071 abt_iocb->port_id[1] = sp->fcport->d_id.b.area;
3072 abt_iocb->port_id[2] = sp->fcport->d_id.b.domain;
3073 abt_iocb->vp_index = vha->vp_idx;
3074 abt_iocb->req_que_no = cpu_to_le16(req->id);
3075 /* Send the command to the firmware */
3080 qla2x00_mb_iocb(srb_t *sp, struct mbx_24xx_entry *mbx)
3084 mbx->entry_type = MBX_IOCB_TYPE;
3085 mbx->handle = sp->handle;
3086 sz = min(ARRAY_SIZE(mbx->mb), ARRAY_SIZE(sp->u.iocb_cmd.u.mbx.out_mb));
3088 for (i = 0; i < sz; i++)
3089 mbx->mb[i] = cpu_to_le16(sp->u.iocb_cmd.u.mbx.out_mb[i]);
3093 qla2x00_ctpthru_cmd_iocb(srb_t *sp, struct ct_entry_24xx *ct_pkt)
3095 sp->u.iocb_cmd.u.ctarg.iocb = ct_pkt;
3096 qla24xx_prep_ms_iocb(sp->vha, &sp->u.iocb_cmd.u.ctarg);
3097 ct_pkt->handle = sp->handle;
3100 static void qla2x00_send_notify_ack_iocb(srb_t *sp,
3101 struct nack_to_isp *nack)
3103 struct imm_ntfy_from_isp *ntfy = sp->u.iocb_cmd.u.nack.ntfy;
3105 nack->entry_type = NOTIFY_ACK_TYPE;
3106 nack->entry_count = 1;
3107 nack->ox_id = ntfy->ox_id;
3109 nack->u.isp24.handle = sp->handle;
3110 nack->u.isp24.nport_handle = ntfy->u.isp24.nport_handle;
3111 if (le16_to_cpu(ntfy->u.isp24.status) == IMM_NTFY_ELS) {
3112 nack->u.isp24.flags = ntfy->u.isp24.flags &
3113 cpu_to_le32(NOTIFY24XX_FLAGS_PUREX_IOCB);
3115 nack->u.isp24.srr_rx_id = ntfy->u.isp24.srr_rx_id;
3116 nack->u.isp24.status = ntfy->u.isp24.status;
3117 nack->u.isp24.status_subcode = ntfy->u.isp24.status_subcode;
3118 nack->u.isp24.fw_handle = ntfy->u.isp24.fw_handle;
3119 nack->u.isp24.exchange_address = ntfy->u.isp24.exchange_address;
3120 nack->u.isp24.srr_rel_offs = ntfy->u.isp24.srr_rel_offs;
3121 nack->u.isp24.srr_ui = ntfy->u.isp24.srr_ui;
3122 nack->u.isp24.srr_flags = 0;
3123 nack->u.isp24.srr_reject_code = 0;
3124 nack->u.isp24.srr_reject_code_expl = 0;
3125 nack->u.isp24.vp_index = ntfy->u.isp24.vp_index;
3129 qla2x00_start_sp(srb_t *sp)
3132 scsi_qla_host_t *vha = sp->vha;
3133 struct qla_hw_data *ha = vha->hw;
3135 unsigned long flags;
3137 rval = QLA_FUNCTION_FAILED;
3138 spin_lock_irqsave(&ha->hardware_lock, flags);
3139 pkt = qla2x00_alloc_iocbs(vha, sp);
3141 ql_log(ql_log_warn, vha, 0x700c,
3142 "qla2x00_alloc_iocbs failed.\n");
3149 IS_FWI2_CAPABLE(ha) ?
3150 qla24xx_login_iocb(sp, pkt) :
3151 qla2x00_login_iocb(sp, pkt);
3153 case SRB_LOGOUT_CMD:
3154 IS_FWI2_CAPABLE(ha) ?
3155 qla24xx_logout_iocb(sp, pkt) :
3156 qla2x00_logout_iocb(sp, pkt);
3158 case SRB_ELS_CMD_RPT:
3159 case SRB_ELS_CMD_HST:
3160 qla24xx_els_iocb(sp, pkt);
3163 IS_FWI2_CAPABLE(ha) ?
3164 qla24xx_ct_iocb(sp, pkt) :
3165 qla2x00_ct_iocb(sp, pkt);
3168 IS_FWI2_CAPABLE(ha) ?
3169 qla24xx_adisc_iocb(sp, pkt) :
3170 qla2x00_adisc_iocb(sp, pkt);
3174 qlafx00_tm_iocb(sp, pkt) :
3175 qla24xx_tm_iocb(sp, pkt);
3177 case SRB_FXIOCB_DCMD:
3178 case SRB_FXIOCB_BCMD:
3179 qlafx00_fxdisc_iocb(sp, pkt);
3183 qlafx00_abort_iocb(sp, pkt) :
3184 qla24xx_abort_iocb(sp, pkt);
3187 qla24xx_els_logo_iocb(sp, pkt);
3189 case SRB_CT_PTHRU_CMD:
3190 qla2x00_ctpthru_cmd_iocb(sp, pkt);
3193 qla2x00_mb_iocb(sp, pkt);
3195 case SRB_NACK_PLOGI:
3198 qla2x00_send_notify_ack_iocb(sp, pkt);
3205 qla2x00_start_iocbs(vha, ha->req_q_map[0]);
3207 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3212 qla25xx_build_bidir_iocb(srb_t *sp, struct scsi_qla_host *vha,
3213 struct cmd_bidir *cmd_pkt, uint32_t tot_dsds)
3215 uint16_t avail_dsds;
3217 uint32_t req_data_len = 0;
3218 uint32_t rsp_data_len = 0;
3219 struct scatterlist *sg;
3221 int entry_count = 1;
3222 struct bsg_job *bsg_job = sp->u.bsg_job;
3224 /*Update entry type to indicate bidir command */
3225 *((uint32_t *)(&cmd_pkt->entry_type)) =
3226 cpu_to_le32(COMMAND_BIDIRECTIONAL);
3228 /* Set the transfer direction, in this set both flags
3229 * Also set the BD_WRAP_BACK flag, firmware will take care
3230 * assigning DID=SID for outgoing pkts.
3232 cmd_pkt->wr_dseg_count = cpu_to_le16(bsg_job->request_payload.sg_cnt);
3233 cmd_pkt->rd_dseg_count = cpu_to_le16(bsg_job->reply_payload.sg_cnt);
3234 cmd_pkt->control_flags = cpu_to_le16(BD_WRITE_DATA | BD_READ_DATA |
3237 req_data_len = rsp_data_len = bsg_job->request_payload.payload_len;
3238 cmd_pkt->wr_byte_count = cpu_to_le32(req_data_len);
3239 cmd_pkt->rd_byte_count = cpu_to_le32(rsp_data_len);
3240 cmd_pkt->timeout = cpu_to_le16(qla2x00_get_async_timeout(vha) + 2);
3242 vha->bidi_stats.transfer_bytes += req_data_len;
3243 vha->bidi_stats.io_count++;
3245 vha->qla_stats.output_bytes += req_data_len;
3246 vha->qla_stats.output_requests++;
3248 /* Only one dsd is available for bidirectional IOCB, remaining dsds
3249 * are bundled in continuation iocb
3252 cur_dsd = (uint32_t *)&cmd_pkt->fcp_data_dseg_address;
3256 for_each_sg(bsg_job->request_payload.sg_list, sg,
3257 bsg_job->request_payload.sg_cnt, index) {
3259 cont_a64_entry_t *cont_pkt;
3261 /* Allocate additional continuation packets */
3262 if (avail_dsds == 0) {
3263 /* Continuation type 1 IOCB can accomodate
3266 cont_pkt = qla2x00_prep_cont_type1_iocb(vha, vha->req);
3267 cur_dsd = (uint32_t *) cont_pkt->dseg_0_address;
3271 sle_dma = sg_dma_address(sg);
3272 *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
3273 *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
3274 *cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
3277 /* For read request DSD will always goes to continuation IOCB
3278 * and follow the write DSD. If there is room on the current IOCB
3279 * then it is added to that IOCB else new continuation IOCB is
3282 for_each_sg(bsg_job->reply_payload.sg_list, sg,
3283 bsg_job->reply_payload.sg_cnt, index) {
3285 cont_a64_entry_t *cont_pkt;
3287 /* Allocate additional continuation packets */
3288 if (avail_dsds == 0) {
3289 /* Continuation type 1 IOCB can accomodate
3292 cont_pkt = qla2x00_prep_cont_type1_iocb(vha, vha->req);
3293 cur_dsd = (uint32_t *) cont_pkt->dseg_0_address;
3297 sle_dma = sg_dma_address(sg);
3298 *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
3299 *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
3300 *cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
3303 /* This value should be same as number of IOCB required for this cmd */
3304 cmd_pkt->entry_count = entry_count;
3308 qla2x00_start_bidir(srb_t *sp, struct scsi_qla_host *vha, uint32_t tot_dsds)
3311 struct qla_hw_data *ha = vha->hw;
3312 unsigned long flags;
3318 struct cmd_bidir *cmd_pkt = NULL;
3319 struct rsp_que *rsp;
3320 struct req_que *req;
3321 int rval = EXT_STATUS_OK;
3325 rsp = ha->rsp_q_map[0];
3328 /* Send marker if required */
3329 if (vha->marker_needed != 0) {
3330 if (qla2x00_marker(vha, req,
3331 rsp, 0, 0, MK_SYNC_ALL) != QLA_SUCCESS)
3332 return EXT_STATUS_MAILBOX;
3333 vha->marker_needed = 0;
3336 /* Acquire ring specific lock */
3337 spin_lock_irqsave(&ha->hardware_lock, flags);
3339 /* Check for room in outstanding command list. */
3340 handle = req->current_outstanding_cmd;
3341 for (index = 1; index < req->num_outstanding_cmds; index++) {
3343 if (handle == req->num_outstanding_cmds)
3345 if (!req->outstanding_cmds[handle])
3349 if (index == req->num_outstanding_cmds) {
3350 rval = EXT_STATUS_BUSY;
3354 /* Calculate number of IOCB required */
3355 req_cnt = qla24xx_calc_iocbs(vha, tot_dsds);
3357 /* Check for room on request queue. */
3358 if (req->cnt < req_cnt + 2) {
3359 cnt = IS_SHADOW_REG_CAPABLE(ha) ? *req->out_ptr :
3360 RD_REG_DWORD_RELAXED(req->req_q_out);
3361 if (req->ring_index < cnt)
3362 req->cnt = cnt - req->ring_index;
3364 req->cnt = req->length -
3365 (req->ring_index - cnt);
3367 if (req->cnt < req_cnt + 2) {
3368 rval = EXT_STATUS_BUSY;
3372 cmd_pkt = (struct cmd_bidir *)req->ring_ptr;
3373 cmd_pkt->handle = MAKE_HANDLE(req->id, handle);
3375 /* Zero out remaining portion of packet. */
3376 /* tagged queuing modifier -- default is TSK_SIMPLE (0).*/
3377 clr_ptr = (uint32_t *)cmd_pkt + 2;
3378 memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8);
3380 /* Set NPORT-ID (of vha)*/
3381 cmd_pkt->nport_handle = cpu_to_le16(vha->self_login_loop_id);
3382 cmd_pkt->port_id[0] = vha->d_id.b.al_pa;
3383 cmd_pkt->port_id[1] = vha->d_id.b.area;
3384 cmd_pkt->port_id[2] = vha->d_id.b.domain;
3386 qla25xx_build_bidir_iocb(sp, vha, cmd_pkt, tot_dsds);
3387 cmd_pkt->entry_status = (uint8_t) rsp->id;
3388 /* Build command packet. */
3389 req->current_outstanding_cmd = handle;
3390 req->outstanding_cmds[handle] = sp;
3391 sp->handle = handle;
3392 req->cnt -= req_cnt;
3394 /* Send the command to the firmware */
3396 qla2x00_start_iocbs(vha, req);
3398 spin_unlock_irqrestore(&ha->hardware_lock, flags);