1 // SPDX-License-Identifier: GPL-2.0-only
3 * QLogic Fibre Channel HBA Driver
4 * Copyright (c) 2003-2014 QLogic Corporation
7 #include "qla_target.h"
9 #include <linux/blkdev.h>
10 #include <linux/delay.h>
12 #include <scsi/scsi_tcq.h>
15 * qla2x00_get_cmd_direction() - Determine control_flag data direction.
18 * Returns the proper CF_* direction based on CDB.
20 static inline uint16_t
21 qla2x00_get_cmd_direction(srb_t *sp)
24 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
25 struct scsi_qla_host *vha = sp->vha;
29 /* Set transfer direction */
30 if (cmd->sc_data_direction == DMA_TO_DEVICE) {
32 vha->qla_stats.output_bytes += scsi_bufflen(cmd);
33 vha->qla_stats.output_requests++;
34 } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
36 vha->qla_stats.input_bytes += scsi_bufflen(cmd);
37 vha->qla_stats.input_requests++;
43 * qla2x00_calc_iocbs_32() - Determine number of Command Type 2 and
44 * Continuation Type 0 IOCBs to allocate.
46 * @dsds: number of data segment descriptors needed
48 * Returns the number of IOCB entries needed to store @dsds.
51 qla2x00_calc_iocbs_32(uint16_t dsds)
57 iocbs += (dsds - 3) / 7;
65 * qla2x00_calc_iocbs_64() - Determine number of Command Type 3 and
66 * Continuation Type 1 IOCBs to allocate.
68 * @dsds: number of data segment descriptors needed
70 * Returns the number of IOCB entries needed to store @dsds.
73 qla2x00_calc_iocbs_64(uint16_t dsds)
79 iocbs += (dsds - 2) / 5;
87 * qla2x00_prep_cont_type0_iocb() - Initialize a Continuation Type 0 IOCB.
90 * Returns a pointer to the Continuation Type 0 IOCB packet.
92 static inline cont_entry_t *
93 qla2x00_prep_cont_type0_iocb(struct scsi_qla_host *vha)
95 cont_entry_t *cont_pkt;
96 struct req_que *req = vha->req;
97 /* Adjust ring index. */
99 if (req->ring_index == req->length) {
101 req->ring_ptr = req->ring;
106 cont_pkt = (cont_entry_t *)req->ring_ptr;
108 /* Load packet defaults. */
109 put_unaligned_le32(CONTINUE_TYPE, &cont_pkt->entry_type);
115 * qla2x00_prep_cont_type1_iocb() - Initialize a Continuation Type 1 IOCB.
117 * @req: request queue
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 put_unaligned_le32(IS_QLAFX00(vha->hw) ? CONTINUE_A64_TYPE_FX00 :
139 CONTINUE_A64_TYPE, &cont_pkt->entry_type);
145 qla24xx_configure_prot_mode(srb_t *sp, uint16_t *fw_prot_opts)
147 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
148 uint8_t guard = scsi_host_get_guard(cmd->device->host);
150 /* We always use DIFF Bundling for best performance */
153 /* Translate SCSI opcode to a protection opcode */
154 switch (scsi_get_prot_op(cmd)) {
155 case SCSI_PROT_READ_STRIP:
156 *fw_prot_opts |= PO_MODE_DIF_REMOVE;
158 case SCSI_PROT_WRITE_INSERT:
159 *fw_prot_opts |= PO_MODE_DIF_INSERT;
161 case SCSI_PROT_READ_INSERT:
162 *fw_prot_opts |= PO_MODE_DIF_INSERT;
164 case SCSI_PROT_WRITE_STRIP:
165 *fw_prot_opts |= PO_MODE_DIF_REMOVE;
167 case SCSI_PROT_READ_PASS:
168 case SCSI_PROT_WRITE_PASS:
169 if (guard & SHOST_DIX_GUARD_IP)
170 *fw_prot_opts |= PO_MODE_DIF_TCP_CKSUM;
172 *fw_prot_opts |= PO_MODE_DIF_PASS;
174 default: /* Normal Request */
175 *fw_prot_opts |= PO_MODE_DIF_PASS;
179 return scsi_prot_sg_count(cmd);
183 * qla2x00_build_scsi_iocbs_32() - Build IOCB command utilizing 32bit
184 * capable IOCB types.
186 * @sp: SRB command to process
187 * @cmd_pkt: Command type 2 IOCB
188 * @tot_dsds: Total number of segments to transfer
190 void qla2x00_build_scsi_iocbs_32(srb_t *sp, cmd_entry_t *cmd_pkt,
194 struct dsd32 *cur_dsd;
195 scsi_qla_host_t *vha;
196 struct scsi_cmnd *cmd;
197 struct scatterlist *sg;
200 cmd = GET_CMD_SP(sp);
202 /* Update entry type to indicate Command Type 2 IOCB */
203 put_unaligned_le32(COMMAND_TYPE, &cmd_pkt->entry_type);
205 /* No data transfer */
206 if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) {
207 cmd_pkt->byte_count = cpu_to_le32(0);
212 cmd_pkt->control_flags |= cpu_to_le16(qla2x00_get_cmd_direction(sp));
214 /* Three DSDs are available in the Command Type 2 IOCB */
215 avail_dsds = ARRAY_SIZE(cmd_pkt->dsd32);
216 cur_dsd = cmd_pkt->dsd32;
218 /* Load data segments */
219 scsi_for_each_sg(cmd, sg, tot_dsds, i) {
220 cont_entry_t *cont_pkt;
222 /* Allocate additional continuation packets? */
223 if (avail_dsds == 0) {
225 * Seven DSDs are available in the Continuation
228 cont_pkt = qla2x00_prep_cont_type0_iocb(vha);
229 cur_dsd = cont_pkt->dsd;
230 avail_dsds = ARRAY_SIZE(cont_pkt->dsd);
233 append_dsd32(&cur_dsd, sg);
239 * qla2x00_build_scsi_iocbs_64() - Build IOCB command utilizing 64bit
240 * capable IOCB types.
242 * @sp: SRB command to process
243 * @cmd_pkt: Command type 3 IOCB
244 * @tot_dsds: Total number of segments to transfer
246 void qla2x00_build_scsi_iocbs_64(srb_t *sp, cmd_entry_t *cmd_pkt,
250 struct dsd64 *cur_dsd;
251 scsi_qla_host_t *vha;
252 struct scsi_cmnd *cmd;
253 struct scatterlist *sg;
256 cmd = GET_CMD_SP(sp);
258 /* Update entry type to indicate Command Type 3 IOCB */
259 put_unaligned_le32(COMMAND_A64_TYPE, &cmd_pkt->entry_type);
261 /* No data transfer */
262 if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) {
263 cmd_pkt->byte_count = cpu_to_le32(0);
268 cmd_pkt->control_flags |= cpu_to_le16(qla2x00_get_cmd_direction(sp));
270 /* Two DSDs are available in the Command Type 3 IOCB */
271 avail_dsds = ARRAY_SIZE(cmd_pkt->dsd64);
272 cur_dsd = cmd_pkt->dsd64;
274 /* Load data segments */
275 scsi_for_each_sg(cmd, sg, tot_dsds, i) {
276 cont_a64_entry_t *cont_pkt;
278 /* Allocate additional continuation packets? */
279 if (avail_dsds == 0) {
281 * Five DSDs are available in the Continuation
284 cont_pkt = qla2x00_prep_cont_type1_iocb(vha, vha->req);
285 cur_dsd = cont_pkt->dsd;
286 avail_dsds = ARRAY_SIZE(cont_pkt->dsd);
289 append_dsd64(&cur_dsd, sg);
295 * Find the first handle that is not in use, starting from
296 * req->current_outstanding_cmd + 1. The caller must hold the lock that is
297 * associated with @req.
299 uint32_t qla2xxx_get_next_handle(struct req_que *req)
301 uint32_t index, handle = req->current_outstanding_cmd;
303 for (index = 1; index < req->num_outstanding_cmds; index++) {
305 if (handle == req->num_outstanding_cmds)
307 if (!req->outstanding_cmds[handle])
315 * qla2x00_start_scsi() - Send a SCSI command to the ISP
316 * @sp: command to send to the ISP
318 * Returns non-zero if a failure occurred, else zero.
321 qla2x00_start_scsi(srb_t *sp)
325 scsi_qla_host_t *vha;
326 struct scsi_cmnd *cmd;
329 cmd_entry_t *cmd_pkt;
333 struct device_reg_2xxx __iomem *reg;
334 struct qla_hw_data *ha;
338 /* Setup device pointers. */
341 reg = &ha->iobase->isp;
342 cmd = GET_CMD_SP(sp);
343 req = ha->req_q_map[0];
344 rsp = ha->rsp_q_map[0];
345 /* So we know we haven't pci_map'ed anything yet */
348 /* Send marker if required */
349 if (vha->marker_needed != 0) {
350 if (qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL) !=
352 return (QLA_FUNCTION_FAILED);
354 vha->marker_needed = 0;
357 /* Acquire ring specific lock */
358 spin_lock_irqsave(&ha->hardware_lock, flags);
360 handle = qla2xxx_get_next_handle(req);
364 /* Map the sg table so we have an accurate count of sg entries needed */
365 if (scsi_sg_count(cmd)) {
366 nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
367 scsi_sg_count(cmd), cmd->sc_data_direction);
375 /* Calculate the number of request entries needed. */
376 req_cnt = ha->isp_ops->calc_req_entries(tot_dsds);
377 if (req->cnt < (req_cnt + 2)) {
378 cnt = rd_reg_word_relaxed(ISP_REQ_Q_OUT(ha, reg));
379 if (req->ring_index < cnt)
380 req->cnt = cnt - req->ring_index;
382 req->cnt = req->length -
383 (req->ring_index - cnt);
384 /* If still no head room then bail out */
385 if (req->cnt < (req_cnt + 2))
389 /* Build command packet */
390 req->current_outstanding_cmd = handle;
391 req->outstanding_cmds[handle] = sp;
393 cmd->host_scribble = (unsigned char *)(unsigned long)handle;
396 cmd_pkt = (cmd_entry_t *)req->ring_ptr;
397 cmd_pkt->handle = handle;
398 /* Zero out remaining portion of packet. */
399 clr_ptr = (uint32_t *)cmd_pkt + 2;
400 memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8);
401 cmd_pkt->dseg_count = cpu_to_le16(tot_dsds);
403 /* Set target ID and LUN number*/
404 SET_TARGET_ID(ha, cmd_pkt->target, sp->fcport->loop_id);
405 cmd_pkt->lun = cpu_to_le16(cmd->device->lun);
406 cmd_pkt->control_flags = cpu_to_le16(CF_SIMPLE_TAG);
408 /* Load SCSI command packet. */
409 memcpy(cmd_pkt->scsi_cdb, cmd->cmnd, cmd->cmd_len);
410 cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd));
412 /* Build IOCB segments */
413 ha->isp_ops->build_iocbs(sp, cmd_pkt, tot_dsds);
415 /* Set total data segment count. */
416 cmd_pkt->entry_count = (uint8_t)req_cnt;
419 /* Adjust ring index. */
421 if (req->ring_index == req->length) {
423 req->ring_ptr = req->ring;
427 sp->flags |= SRB_DMA_VALID;
429 /* Set chip new ring index. */
430 wrt_reg_word(ISP_REQ_Q_IN(ha, reg), req->ring_index);
431 rd_reg_word_relaxed(ISP_REQ_Q_IN(ha, reg)); /* PCI Posting. */
433 /* Manage unprocessed RIO/ZIO commands in response queue. */
434 if (vha->flags.process_response_queue &&
435 rsp->ring_ptr->signature != RESPONSE_PROCESSED)
436 qla2x00_process_response_queue(rsp);
438 spin_unlock_irqrestore(&ha->hardware_lock, flags);
439 return (QLA_SUCCESS);
445 spin_unlock_irqrestore(&ha->hardware_lock, flags);
447 return (QLA_FUNCTION_FAILED);
451 * qla2x00_start_iocbs() - Execute the IOCB command
453 * @req: request queue
456 qla2x00_start_iocbs(struct scsi_qla_host *vha, struct req_que *req)
458 struct qla_hw_data *ha = vha->hw;
459 device_reg_t *reg = ISP_QUE_REG(ha, req->id);
461 if (IS_P3P_TYPE(ha)) {
462 qla82xx_start_iocbs(vha);
464 /* Adjust ring index. */
466 if (req->ring_index == req->length) {
468 req->ring_ptr = req->ring;
472 /* Set chip new ring index. */
473 if (ha->mqenable || IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
474 wrt_reg_dword(req->req_q_in, req->ring_index);
475 } else if (IS_QLA83XX(ha)) {
476 wrt_reg_dword(req->req_q_in, req->ring_index);
477 rd_reg_dword_relaxed(&ha->iobase->isp24.hccr);
478 } else if (IS_QLAFX00(ha)) {
479 wrt_reg_dword(®->ispfx00.req_q_in, req->ring_index);
480 rd_reg_dword_relaxed(®->ispfx00.req_q_in);
481 QLAFX00_SET_HST_INTR(ha, ha->rqstq_intr_code);
482 } else if (IS_FWI2_CAPABLE(ha)) {
483 wrt_reg_dword(®->isp24.req_q_in, req->ring_index);
484 rd_reg_dword_relaxed(®->isp24.req_q_in);
486 wrt_reg_word(ISP_REQ_Q_IN(ha, ®->isp),
488 rd_reg_word_relaxed(ISP_REQ_Q_IN(ha, ®->isp));
494 * qla2x00_marker() - Send a marker IOCB to the firmware.
496 * @qpair: queue pair pointer
499 * @type: marker modifier
501 * Can be called from both normal and interrupt context.
503 * Returns non-zero if a failure occurred, else zero.
506 __qla2x00_marker(struct scsi_qla_host *vha, struct qla_qpair *qpair,
507 uint16_t loop_id, uint64_t lun, uint8_t type)
510 struct mrk_entry_24xx *mrk24 = NULL;
511 struct req_que *req = qpair->req;
512 struct qla_hw_data *ha = vha->hw;
513 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
515 mrk = (mrk_entry_t *)__qla2x00_alloc_iocbs(qpair, NULL);
517 ql_log(ql_log_warn, base_vha, 0x3026,
518 "Failed to allocate Marker IOCB.\n");
520 return (QLA_FUNCTION_FAILED);
523 mrk->entry_type = MARKER_TYPE;
524 mrk->modifier = type;
525 if (type != MK_SYNC_ALL) {
526 if (IS_FWI2_CAPABLE(ha)) {
527 mrk24 = (struct mrk_entry_24xx *) mrk;
528 mrk24->nport_handle = cpu_to_le16(loop_id);
529 int_to_scsilun(lun, (struct scsi_lun *)&mrk24->lun);
530 host_to_fcp_swap(mrk24->lun, sizeof(mrk24->lun));
531 mrk24->vp_index = vha->vp_idx;
532 mrk24->handle = make_handle(req->id, mrk24->handle);
534 SET_TARGET_ID(ha, mrk->target, loop_id);
535 mrk->lun = cpu_to_le16((uint16_t)lun);
540 qla2x00_start_iocbs(vha, req);
542 return (QLA_SUCCESS);
546 qla2x00_marker(struct scsi_qla_host *vha, struct qla_qpair *qpair,
547 uint16_t loop_id, uint64_t lun, uint8_t type)
550 unsigned long flags = 0;
552 spin_lock_irqsave(qpair->qp_lock_ptr, flags);
553 ret = __qla2x00_marker(vha, qpair, loop_id, lun, type);
554 spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
560 * qla2x00_issue_marker
563 * Caller CAN have hardware lock held as specified by ha_locked parameter.
564 * Might release it, then reaquire.
566 int qla2x00_issue_marker(scsi_qla_host_t *vha, int ha_locked)
569 if (__qla2x00_marker(vha, vha->hw->base_qpair, 0, 0,
570 MK_SYNC_ALL) != QLA_SUCCESS)
571 return QLA_FUNCTION_FAILED;
573 if (qla2x00_marker(vha, vha->hw->base_qpair, 0, 0,
574 MK_SYNC_ALL) != QLA_SUCCESS)
575 return QLA_FUNCTION_FAILED;
577 vha->marker_needed = 0;
583 qla24xx_build_scsi_type_6_iocbs(srb_t *sp, struct cmd_type_6 *cmd_pkt,
586 struct dsd64 *cur_dsd = NULL, *next_dsd;
587 scsi_qla_host_t *vha;
588 struct qla_hw_data *ha;
589 struct scsi_cmnd *cmd;
590 struct scatterlist *cur_seg;
592 uint8_t first_iocb = 1;
593 uint32_t dsd_list_len;
594 struct dsd_dma *dsd_ptr;
596 struct qla_qpair *qpair = sp->qpair;
598 cmd = GET_CMD_SP(sp);
600 /* Update entry type to indicate Command Type 3 IOCB */
601 put_unaligned_le32(COMMAND_TYPE_6, &cmd_pkt->entry_type);
603 /* No data transfer */
604 if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) {
605 cmd_pkt->byte_count = cpu_to_le32(0);
612 /* Set transfer direction */
613 if (cmd->sc_data_direction == DMA_TO_DEVICE) {
614 cmd_pkt->control_flags = cpu_to_le16(CF_WRITE_DATA);
615 qpair->counters.output_bytes += scsi_bufflen(cmd);
616 qpair->counters.output_requests++;
617 } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
618 cmd_pkt->control_flags = cpu_to_le16(CF_READ_DATA);
619 qpair->counters.input_bytes += scsi_bufflen(cmd);
620 qpair->counters.input_requests++;
623 cur_seg = scsi_sglist(cmd);
624 ctx = sp->u.scmd.ct6_ctx;
627 avail_dsds = (tot_dsds > QLA_DSDS_PER_IOCB) ?
628 QLA_DSDS_PER_IOCB : tot_dsds;
629 tot_dsds -= avail_dsds;
630 dsd_list_len = (avail_dsds + 1) * QLA_DSD_SIZE;
632 dsd_ptr = list_first_entry(&ha->gbl_dsd_list,
633 struct dsd_dma, list);
634 next_dsd = dsd_ptr->dsd_addr;
635 list_del(&dsd_ptr->list);
637 list_add_tail(&dsd_ptr->list, &ctx->dsd_list);
643 put_unaligned_le64(dsd_ptr->dsd_list_dma,
644 &cmd_pkt->fcp_dsd.address);
645 cmd_pkt->fcp_dsd.length = cpu_to_le32(dsd_list_len);
647 put_unaligned_le64(dsd_ptr->dsd_list_dma,
649 cur_dsd->length = cpu_to_le32(dsd_list_len);
654 append_dsd64(&cur_dsd, cur_seg);
655 cur_seg = sg_next(cur_seg);
660 /* Null termination */
661 cur_dsd->address = 0;
664 cmd_pkt->control_flags |= cpu_to_le16(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 descriptors 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)
702 struct dsd64 *cur_dsd;
703 scsi_qla_host_t *vha;
704 struct scsi_cmnd *cmd;
705 struct scatterlist *sg;
707 struct qla_qpair *qpair = sp->qpair;
709 cmd = GET_CMD_SP(sp);
711 /* Update entry type to indicate Command Type 3 IOCB */
712 put_unaligned_le32(COMMAND_TYPE_7, &cmd_pkt->entry_type);
714 /* No data transfer */
715 if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) {
716 cmd_pkt->byte_count = cpu_to_le32(0);
722 /* Set transfer direction */
723 if (cmd->sc_data_direction == DMA_TO_DEVICE) {
724 cmd_pkt->task_mgmt_flags = cpu_to_le16(TMF_WRITE_DATA);
725 qpair->counters.output_bytes += scsi_bufflen(cmd);
726 qpair->counters.output_requests++;
727 } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
728 cmd_pkt->task_mgmt_flags = cpu_to_le16(TMF_READ_DATA);
729 qpair->counters.input_bytes += scsi_bufflen(cmd);
730 qpair->counters.input_requests++;
733 /* One DSD is available in the Command Type 3 IOCB */
735 cur_dsd = &cmd_pkt->dsd;
737 /* Load data segments */
739 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 = cont_pkt->dsd;
750 avail_dsds = ARRAY_SIZE(cont_pkt->dsd);
753 append_dsd64(&cur_dsd, sg);
758 struct fw_dif_context {
761 uint8_t ref_tag_mask[4]; /* Validation/Replacement Mask*/
762 uint8_t app_tag_mask[2]; /* Validation/Replacement Mask*/
766 * qla24xx_set_t10dif_tags_from_cmd - Extract Ref and App tags from SCSI command
770 qla24xx_set_t10dif_tags(srb_t *sp, struct fw_dif_context *pkt,
771 unsigned int protcnt)
773 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
775 switch (scsi_get_prot_type(cmd)) {
776 case SCSI_PROT_DIF_TYPE0:
778 * No check for ql2xenablehba_err_chk, as it would be an
779 * I/O error if hba tag generation is not done.
781 pkt->ref_tag = cpu_to_le32((uint32_t)
782 (0xffffffff & scsi_get_lba(cmd)));
784 if (!qla2x00_hba_err_chk_enabled(sp))
787 pkt->ref_tag_mask[0] = 0xff;
788 pkt->ref_tag_mask[1] = 0xff;
789 pkt->ref_tag_mask[2] = 0xff;
790 pkt->ref_tag_mask[3] = 0xff;
794 * For TYPE 2 protection: 16 bit GUARD + 32 bit REF tag has to
795 * match LBA in CDB + N
797 case SCSI_PROT_DIF_TYPE2:
798 pkt->app_tag = cpu_to_le16(0);
799 pkt->app_tag_mask[0] = 0x0;
800 pkt->app_tag_mask[1] = 0x0;
802 pkt->ref_tag = cpu_to_le32((uint32_t)
803 (0xffffffff & scsi_get_lba(cmd)));
805 if (!qla2x00_hba_err_chk_enabled(sp))
808 /* enable ALL bytes of the ref tag */
809 pkt->ref_tag_mask[0] = 0xff;
810 pkt->ref_tag_mask[1] = 0xff;
811 pkt->ref_tag_mask[2] = 0xff;
812 pkt->ref_tag_mask[3] = 0xff;
815 /* For Type 3 protection: 16 bit GUARD only */
816 case SCSI_PROT_DIF_TYPE3:
817 pkt->ref_tag_mask[0] = pkt->ref_tag_mask[1] =
818 pkt->ref_tag_mask[2] = pkt->ref_tag_mask[3] =
823 * For TYpe 1 protection: 16 bit GUARD tag, 32 bit REF tag, and
826 case SCSI_PROT_DIF_TYPE1:
827 pkt->ref_tag = cpu_to_le32((uint32_t)
828 (0xffffffff & scsi_get_lba(cmd)));
829 pkt->app_tag = cpu_to_le16(0);
830 pkt->app_tag_mask[0] = 0x0;
831 pkt->app_tag_mask[1] = 0x0;
833 if (!qla2x00_hba_err_chk_enabled(sp))
836 /* enable ALL bytes of the ref tag */
837 pkt->ref_tag_mask[0] = 0xff;
838 pkt->ref_tag_mask[1] = 0xff;
839 pkt->ref_tag_mask[2] = 0xff;
840 pkt->ref_tag_mask[3] = 0xff;
846 qla24xx_get_one_block_sg(uint32_t blk_sz, struct qla2_sgx *sgx,
849 struct scatterlist *sg;
850 uint32_t cumulative_partial, sg_len;
851 dma_addr_t sg_dma_addr;
853 if (sgx->num_bytes == sgx->tot_bytes)
857 cumulative_partial = sgx->tot_partial;
859 sg_dma_addr = sg_dma_address(sg);
860 sg_len = sg_dma_len(sg);
862 sgx->dma_addr = sg_dma_addr + sgx->bytes_consumed;
864 if ((cumulative_partial + (sg_len - sgx->bytes_consumed)) >= blk_sz) {
865 sgx->dma_len = (blk_sz - cumulative_partial);
866 sgx->tot_partial = 0;
867 sgx->num_bytes += blk_sz;
870 sgx->dma_len = sg_len - sgx->bytes_consumed;
871 sgx->tot_partial += sgx->dma_len;
875 sgx->bytes_consumed += sgx->dma_len;
877 if (sg_len == sgx->bytes_consumed) {
881 sgx->bytes_consumed = 0;
888 qla24xx_walk_and_build_sglist_no_difb(struct qla_hw_data *ha, srb_t *sp,
889 struct dsd64 *dsd, uint16_t tot_dsds, struct qla_tc_param *tc)
892 uint8_t avail_dsds = 0;
893 uint32_t dsd_list_len;
894 struct dsd_dma *dsd_ptr;
895 struct scatterlist *sg_prot;
896 struct dsd64 *cur_dsd = dsd;
897 uint16_t used_dsds = tot_dsds;
898 uint32_t prot_int; /* protection interval */
902 uint32_t sle_dma_len, tot_prot_dma_len = 0;
903 struct scsi_cmnd *cmd;
905 memset(&sgx, 0, sizeof(struct qla2_sgx));
907 cmd = GET_CMD_SP(sp);
908 prot_int = cmd->device->sector_size;
910 sgx.tot_bytes = scsi_bufflen(cmd);
911 sgx.cur_sg = scsi_sglist(cmd);
914 sg_prot = scsi_prot_sglist(cmd);
916 prot_int = tc->blk_sz;
917 sgx.tot_bytes = tc->bufflen;
919 sg_prot = tc->prot_sg;
925 while (qla24xx_get_one_block_sg(prot_int, &sgx, &partial)) {
927 sle_dma = sgx.dma_addr;
928 sle_dma_len = sgx.dma_len;
930 /* Allocate additional continuation packets? */
931 if (avail_dsds == 0) {
932 avail_dsds = (used_dsds > QLA_DSDS_PER_IOCB) ?
933 QLA_DSDS_PER_IOCB : used_dsds;
934 dsd_list_len = (avail_dsds + 1) * 12;
935 used_dsds -= avail_dsds;
937 /* allocate tracking DS */
938 dsd_ptr = kzalloc(sizeof(struct dsd_dma), GFP_ATOMIC);
942 /* allocate new list */
943 dsd_ptr->dsd_addr = next_dsd =
944 dma_pool_alloc(ha->dl_dma_pool, GFP_ATOMIC,
945 &dsd_ptr->dsd_list_dma);
949 * Need to cleanup only this dsd_ptr, rest
950 * will be done by sp_free_dma()
957 list_add_tail(&dsd_ptr->list,
958 &sp->u.scmd.crc_ctx->dsd_list);
960 sp->flags |= SRB_CRC_CTX_DSD_VALID;
962 list_add_tail(&dsd_ptr->list,
963 &(tc->ctx->dsd_list));
964 *tc->ctx_dsd_alloced = 1;
968 /* add new list to cmd iocb or last list */
969 put_unaligned_le64(dsd_ptr->dsd_list_dma,
971 cur_dsd->length = cpu_to_le32(dsd_list_len);
974 put_unaligned_le64(sle_dma, &cur_dsd->address);
975 cur_dsd->length = cpu_to_le32(sle_dma_len);
980 /* Got a full protection interval */
981 sle_dma = sg_dma_address(sg_prot) + tot_prot_dma_len;
984 tot_prot_dma_len += sle_dma_len;
985 if (tot_prot_dma_len == sg_dma_len(sg_prot)) {
986 tot_prot_dma_len = 0;
987 sg_prot = sg_next(sg_prot);
990 partial = 1; /* So as to not re-enter this block */
994 /* Null termination */
995 cur_dsd->address = 0;
1002 qla24xx_walk_and_build_sglist(struct qla_hw_data *ha, srb_t *sp,
1003 struct dsd64 *dsd, uint16_t tot_dsds, struct qla_tc_param *tc)
1006 uint8_t avail_dsds = 0;
1007 uint32_t dsd_list_len;
1008 struct dsd_dma *dsd_ptr;
1009 struct scatterlist *sg, *sgl;
1010 struct dsd64 *cur_dsd = dsd;
1012 uint16_t used_dsds = tot_dsds;
1013 struct scsi_cmnd *cmd;
1016 cmd = GET_CMD_SP(sp);
1017 sgl = scsi_sglist(cmd);
1026 for_each_sg(sgl, sg, tot_dsds, i) {
1027 /* Allocate additional continuation packets? */
1028 if (avail_dsds == 0) {
1029 avail_dsds = (used_dsds > QLA_DSDS_PER_IOCB) ?
1030 QLA_DSDS_PER_IOCB : used_dsds;
1031 dsd_list_len = (avail_dsds + 1) * 12;
1032 used_dsds -= avail_dsds;
1034 /* allocate tracking DS */
1035 dsd_ptr = kzalloc(sizeof(struct dsd_dma), GFP_ATOMIC);
1039 /* allocate new list */
1040 dsd_ptr->dsd_addr = next_dsd =
1041 dma_pool_alloc(ha->dl_dma_pool, GFP_ATOMIC,
1042 &dsd_ptr->dsd_list_dma);
1046 * Need to cleanup only this dsd_ptr, rest
1047 * will be done by sp_free_dma()
1054 list_add_tail(&dsd_ptr->list,
1055 &sp->u.scmd.crc_ctx->dsd_list);
1057 sp->flags |= SRB_CRC_CTX_DSD_VALID;
1059 list_add_tail(&dsd_ptr->list,
1060 &(tc->ctx->dsd_list));
1061 *tc->ctx_dsd_alloced = 1;
1064 /* add new list to cmd iocb or last list */
1065 put_unaligned_le64(dsd_ptr->dsd_list_dma,
1067 cur_dsd->length = cpu_to_le32(dsd_list_len);
1070 append_dsd64(&cur_dsd, sg);
1074 /* Null termination */
1075 cur_dsd->address = 0;
1076 cur_dsd->length = 0;
1082 qla24xx_walk_and_build_prot_sglist(struct qla_hw_data *ha, srb_t *sp,
1083 struct dsd64 *cur_dsd, uint16_t tot_dsds, struct qla_tgt_cmd *tc)
1085 struct dsd_dma *dsd_ptr = NULL, *dif_dsd, *nxt_dsd;
1086 struct scatterlist *sg, *sgl;
1087 struct crc_context *difctx = NULL;
1088 struct scsi_qla_host *vha;
1090 uint avail_dsds = 0;
1091 uint used_dsds = tot_dsds;
1092 bool dif_local_dma_alloc = false;
1093 bool direction_to_device = false;
1097 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
1099 sgl = scsi_prot_sglist(cmd);
1101 difctx = sp->u.scmd.crc_ctx;
1102 direction_to_device = cmd->sc_data_direction == DMA_TO_DEVICE;
1103 ql_dbg(ql_dbg_tgt + ql_dbg_verbose, vha, 0xe021,
1104 "%s: scsi_cmnd: %p, crc_ctx: %p, sp: %p\n",
1105 __func__, cmd, difctx, sp);
1110 direction_to_device = tc->dma_data_direction == DMA_TO_DEVICE;
1116 ql_dbg(ql_dbg_tgt + ql_dbg_verbose, vha, 0xe021,
1117 "%s: enter (write=%u)\n", __func__, direction_to_device);
1119 /* if initiator doing write or target doing read */
1120 if (direction_to_device) {
1121 for_each_sg(sgl, sg, tot_dsds, i) {
1122 u64 sle_phys = sg_phys(sg);
1124 /* If SGE addr + len flips bits in upper 32-bits */
1125 if (MSD(sle_phys + sg->length) ^ MSD(sle_phys)) {
1126 ql_dbg(ql_dbg_tgt + ql_dbg_verbose, vha, 0xe022,
1127 "%s: page boundary crossing (phys=%llx len=%x)\n",
1128 __func__, sle_phys, sg->length);
1131 ha->dif_bundle_crossed_pages++;
1132 dif_local_dma_alloc = true;
1134 ql_dbg(ql_dbg_tgt + ql_dbg_verbose,
1136 "%s: difctx pointer is NULL\n",
1142 ha->dif_bundle_writes++;
1144 ha->dif_bundle_reads++;
1147 if (ql2xdifbundlinginternalbuffers)
1148 dif_local_dma_alloc = direction_to_device;
1150 if (dif_local_dma_alloc) {
1151 u32 track_difbundl_buf = 0;
1152 u32 ldma_sg_len = 0;
1155 difctx->no_dif_bundl = 0;
1156 difctx->dif_bundl_len = 0;
1158 /* Track DSD buffers */
1159 INIT_LIST_HEAD(&difctx->ldif_dsd_list);
1160 /* Track local DMA buffers */
1161 INIT_LIST_HEAD(&difctx->ldif_dma_hndl_list);
1163 for_each_sg(sgl, sg, tot_dsds, i) {
1164 u32 sglen = sg_dma_len(sg);
1166 ql_dbg(ql_dbg_tgt + ql_dbg_verbose, vha, 0xe023,
1167 "%s: sg[%x] (phys=%llx sglen=%x) ldma_sg_len: %x dif_bundl_len: %x ldma_needed: %x\n",
1168 __func__, i, (u64)sg_phys(sg), sglen, ldma_sg_len,
1169 difctx->dif_bundl_len, ldma_needed);
1176 * Allocate list item to store
1179 dsd_ptr = kzalloc(sizeof(*dsd_ptr),
1182 ql_dbg(ql_dbg_tgt, vha, 0xe024,
1183 "%s: failed alloc dsd_ptr\n",
1187 ha->dif_bundle_kallocs++;
1189 /* allocate dma buffer */
1190 dsd_ptr->dsd_addr = dma_pool_alloc
1191 (ha->dif_bundl_pool, GFP_ATOMIC,
1192 &dsd_ptr->dsd_list_dma);
1193 if (!dsd_ptr->dsd_addr) {
1194 ql_dbg(ql_dbg_tgt, vha, 0xe024,
1195 "%s: failed alloc ->dsd_ptr\n",
1198 * need to cleanup only this
1199 * dsd_ptr rest will be done
1203 ha->dif_bundle_kallocs--;
1206 ha->dif_bundle_dma_allocs++;
1208 difctx->no_dif_bundl++;
1209 list_add_tail(&dsd_ptr->list,
1210 &difctx->ldif_dma_hndl_list);
1213 /* xfrlen is min of dma pool size and sglen */
1215 (DIF_BUNDLING_DMA_POOL_SIZE - ldma_sg_len)) ?
1216 DIF_BUNDLING_DMA_POOL_SIZE - ldma_sg_len :
1219 /* replace with local allocated dma buffer */
1220 sg_pcopy_to_buffer(sgl, sg_nents(sgl),
1221 dsd_ptr->dsd_addr + ldma_sg_len, xfrlen,
1222 difctx->dif_bundl_len);
1223 difctx->dif_bundl_len += xfrlen;
1225 ldma_sg_len += xfrlen;
1226 if (ldma_sg_len == DIF_BUNDLING_DMA_POOL_SIZE ||
1234 track_difbundl_buf = used_dsds = difctx->no_dif_bundl;
1235 ql_dbg(ql_dbg_tgt + ql_dbg_verbose, vha, 0xe025,
1236 "dif_bundl_len=%x, no_dif_bundl=%x track_difbundl_buf: %x\n",
1237 difctx->dif_bundl_len, difctx->no_dif_bundl,
1238 track_difbundl_buf);
1241 sp->flags |= SRB_DIF_BUNDL_DMA_VALID;
1243 tc->prot_flags = DIF_BUNDL_DMA_VALID;
1245 list_for_each_entry_safe(dif_dsd, nxt_dsd,
1246 &difctx->ldif_dma_hndl_list, list) {
1247 u32 sglen = (difctx->dif_bundl_len >
1248 DIF_BUNDLING_DMA_POOL_SIZE) ?
1249 DIF_BUNDLING_DMA_POOL_SIZE : difctx->dif_bundl_len;
1251 BUG_ON(track_difbundl_buf == 0);
1253 /* Allocate additional continuation packets? */
1254 if (avail_dsds == 0) {
1255 ql_dbg(ql_dbg_tgt + ql_dbg_verbose, vha,
1257 "%s: adding continuation iocb's\n",
1259 avail_dsds = (used_dsds > QLA_DSDS_PER_IOCB) ?
1260 QLA_DSDS_PER_IOCB : used_dsds;
1261 dsd_list_len = (avail_dsds + 1) * 12;
1262 used_dsds -= avail_dsds;
1264 /* allocate tracking DS */
1265 dsd_ptr = kzalloc(sizeof(*dsd_ptr), GFP_ATOMIC);
1267 ql_dbg(ql_dbg_tgt, vha, 0xe026,
1268 "%s: failed alloc dsd_ptr\n",
1272 ha->dif_bundle_kallocs++;
1274 difctx->no_ldif_dsd++;
1275 /* allocate new list */
1277 dma_pool_alloc(ha->dl_dma_pool, GFP_ATOMIC,
1278 &dsd_ptr->dsd_list_dma);
1279 if (!dsd_ptr->dsd_addr) {
1280 ql_dbg(ql_dbg_tgt, vha, 0xe026,
1281 "%s: failed alloc ->dsd_addr\n",
1284 * need to cleanup only this dsd_ptr
1285 * rest will be done by sp_free_dma()
1288 ha->dif_bundle_kallocs--;
1291 ha->dif_bundle_dma_allocs++;
1294 list_add_tail(&dsd_ptr->list,
1295 &difctx->ldif_dsd_list);
1296 sp->flags |= SRB_CRC_CTX_DSD_VALID;
1298 list_add_tail(&dsd_ptr->list,
1299 &difctx->ldif_dsd_list);
1300 tc->ctx_dsd_alloced = 1;
1303 /* add new list to cmd iocb or last list */
1304 put_unaligned_le64(dsd_ptr->dsd_list_dma,
1306 cur_dsd->length = cpu_to_le32(dsd_list_len);
1307 cur_dsd = dsd_ptr->dsd_addr;
1309 put_unaligned_le64(dif_dsd->dsd_list_dma,
1311 cur_dsd->length = cpu_to_le32(sglen);
1314 difctx->dif_bundl_len -= sglen;
1315 track_difbundl_buf--;
1318 ql_dbg(ql_dbg_tgt + ql_dbg_verbose, vha, 0xe026,
1319 "%s: no_ldif_dsd:%x, no_dif_bundl:%x\n", __func__,
1320 difctx->no_ldif_dsd, difctx->no_dif_bundl);
1322 for_each_sg(sgl, sg, tot_dsds, i) {
1323 /* Allocate additional continuation packets? */
1324 if (avail_dsds == 0) {
1325 avail_dsds = (used_dsds > QLA_DSDS_PER_IOCB) ?
1326 QLA_DSDS_PER_IOCB : used_dsds;
1327 dsd_list_len = (avail_dsds + 1) * 12;
1328 used_dsds -= avail_dsds;
1330 /* allocate tracking DS */
1331 dsd_ptr = kzalloc(sizeof(*dsd_ptr), GFP_ATOMIC);
1333 ql_dbg(ql_dbg_tgt + ql_dbg_verbose,
1335 "%s: failed alloc dsd_dma...\n",
1340 /* allocate new list */
1342 dma_pool_alloc(ha->dl_dma_pool, GFP_ATOMIC,
1343 &dsd_ptr->dsd_list_dma);
1344 if (!dsd_ptr->dsd_addr) {
1345 /* need to cleanup only this dsd_ptr */
1346 /* rest will be done by sp_free_dma() */
1352 list_add_tail(&dsd_ptr->list,
1354 sp->flags |= SRB_CRC_CTX_DSD_VALID;
1356 list_add_tail(&dsd_ptr->list,
1358 tc->ctx_dsd_alloced = 1;
1361 /* add new list to cmd iocb or last list */
1362 put_unaligned_le64(dsd_ptr->dsd_list_dma,
1364 cur_dsd->length = cpu_to_le32(dsd_list_len);
1365 cur_dsd = dsd_ptr->dsd_addr;
1367 append_dsd64(&cur_dsd, sg);
1371 /* Null termination */
1372 cur_dsd->address = 0;
1373 cur_dsd->length = 0;
1379 * qla24xx_build_scsi_crc_2_iocbs() - Build IOCB command utilizing Command
1380 * Type 6 IOCB types.
1382 * @sp: SRB command to process
1383 * @cmd_pkt: Command type 3 IOCB
1384 * @tot_dsds: Total number of segments to transfer
1385 * @tot_prot_dsds: Total number of segments with protection information
1386 * @fw_prot_opts: Protection options to be passed to firmware
1389 qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt,
1390 uint16_t tot_dsds, uint16_t tot_prot_dsds, uint16_t fw_prot_opts)
1392 struct dsd64 *cur_dsd;
1394 scsi_qla_host_t *vha;
1395 struct scsi_cmnd *cmd;
1396 uint32_t total_bytes = 0;
1397 uint32_t data_bytes;
1399 uint8_t bundling = 1;
1401 struct crc_context *crc_ctx_pkt = NULL;
1402 struct qla_hw_data *ha;
1403 uint8_t additional_fcpcdb_len;
1404 uint16_t fcp_cmnd_len;
1405 struct fcp_cmnd *fcp_cmnd;
1406 dma_addr_t crc_ctx_dma;
1408 cmd = GET_CMD_SP(sp);
1410 /* Update entry type to indicate Command Type CRC_2 IOCB */
1411 put_unaligned_le32(COMMAND_TYPE_CRC_2, &cmd_pkt->entry_type);
1416 /* No data transfer */
1417 data_bytes = scsi_bufflen(cmd);
1418 if (!data_bytes || cmd->sc_data_direction == DMA_NONE) {
1419 cmd_pkt->byte_count = cpu_to_le32(0);
1423 cmd_pkt->vp_index = sp->vha->vp_idx;
1425 /* Set transfer direction */
1426 if (cmd->sc_data_direction == DMA_TO_DEVICE) {
1427 cmd_pkt->control_flags =
1428 cpu_to_le16(CF_WRITE_DATA);
1429 } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
1430 cmd_pkt->control_flags =
1431 cpu_to_le16(CF_READ_DATA);
1434 if ((scsi_get_prot_op(cmd) == SCSI_PROT_READ_INSERT) ||
1435 (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_STRIP) ||
1436 (scsi_get_prot_op(cmd) == SCSI_PROT_READ_STRIP) ||
1437 (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_INSERT))
1440 /* Allocate CRC context from global pool */
1441 crc_ctx_pkt = sp->u.scmd.crc_ctx =
1442 dma_pool_zalloc(ha->dl_dma_pool, GFP_ATOMIC, &crc_ctx_dma);
1445 goto crc_queuing_error;
1447 crc_ctx_pkt->crc_ctx_dma = crc_ctx_dma;
1449 sp->flags |= SRB_CRC_CTX_DMA_VALID;
1452 crc_ctx_pkt->handle = cmd_pkt->handle;
1454 INIT_LIST_HEAD(&crc_ctx_pkt->dsd_list);
1456 qla24xx_set_t10dif_tags(sp, (struct fw_dif_context *)
1457 &crc_ctx_pkt->ref_tag, tot_prot_dsds);
1459 put_unaligned_le64(crc_ctx_dma, &cmd_pkt->crc_context_address);
1460 cmd_pkt->crc_context_len = cpu_to_le16(CRC_CONTEXT_LEN_FW);
1462 /* Determine SCSI command length -- align to 4 byte boundary */
1463 if (cmd->cmd_len > 16) {
1464 additional_fcpcdb_len = cmd->cmd_len - 16;
1465 if ((cmd->cmd_len % 4) != 0) {
1466 /* SCSI cmd > 16 bytes must be multiple of 4 */
1467 goto crc_queuing_error;
1469 fcp_cmnd_len = 12 + cmd->cmd_len + 4;
1471 additional_fcpcdb_len = 0;
1472 fcp_cmnd_len = 12 + 16 + 4;
1475 fcp_cmnd = &crc_ctx_pkt->fcp_cmnd;
1477 fcp_cmnd->additional_cdb_len = additional_fcpcdb_len;
1478 if (cmd->sc_data_direction == DMA_TO_DEVICE)
1479 fcp_cmnd->additional_cdb_len |= 1;
1480 else if (cmd->sc_data_direction == DMA_FROM_DEVICE)
1481 fcp_cmnd->additional_cdb_len |= 2;
1483 int_to_scsilun(cmd->device->lun, &fcp_cmnd->lun);
1484 memcpy(fcp_cmnd->cdb, cmd->cmnd, cmd->cmd_len);
1485 cmd_pkt->fcp_cmnd_dseg_len = cpu_to_le16(fcp_cmnd_len);
1486 put_unaligned_le64(crc_ctx_dma + CRC_CONTEXT_FCPCMND_OFF,
1487 &cmd_pkt->fcp_cmnd_dseg_address);
1488 fcp_cmnd->task_management = 0;
1489 fcp_cmnd->task_attribute = TSK_SIMPLE;
1491 cmd_pkt->fcp_rsp_dseg_len = 0; /* Let response come in status iocb */
1493 /* Compute dif len and adjust data len to incude protection */
1495 blk_size = cmd->device->sector_size;
1496 dif_bytes = (data_bytes / blk_size) * 8;
1498 switch (scsi_get_prot_op(GET_CMD_SP(sp))) {
1499 case SCSI_PROT_READ_INSERT:
1500 case SCSI_PROT_WRITE_STRIP:
1501 total_bytes = data_bytes;
1502 data_bytes += dif_bytes;
1505 case SCSI_PROT_READ_STRIP:
1506 case SCSI_PROT_WRITE_INSERT:
1507 case SCSI_PROT_READ_PASS:
1508 case SCSI_PROT_WRITE_PASS:
1509 total_bytes = data_bytes + dif_bytes;
1515 if (!qla2x00_hba_err_chk_enabled(sp))
1516 fw_prot_opts |= 0x10; /* Disable Guard tag checking */
1517 /* HBA error checking enabled */
1518 else if (IS_PI_UNINIT_CAPABLE(ha)) {
1519 if ((scsi_get_prot_type(GET_CMD_SP(sp)) == SCSI_PROT_DIF_TYPE1)
1520 || (scsi_get_prot_type(GET_CMD_SP(sp)) ==
1521 SCSI_PROT_DIF_TYPE2))
1522 fw_prot_opts |= BIT_10;
1523 else if (scsi_get_prot_type(GET_CMD_SP(sp)) ==
1524 SCSI_PROT_DIF_TYPE3)
1525 fw_prot_opts |= BIT_11;
1529 cur_dsd = &crc_ctx_pkt->u.nobundling.data_dsd[0];
1532 * Configure Bundling if we need to fetch interlaving
1533 * protection PCI accesses
1535 fw_prot_opts |= PO_ENABLE_DIF_BUNDLING;
1536 crc_ctx_pkt->u.bundling.dif_byte_count = cpu_to_le32(dif_bytes);
1537 crc_ctx_pkt->u.bundling.dseg_count = cpu_to_le16(tot_dsds -
1539 cur_dsd = &crc_ctx_pkt->u.bundling.data_dsd[0];
1542 /* Finish the common fields of CRC pkt */
1543 crc_ctx_pkt->blk_size = cpu_to_le16(blk_size);
1544 crc_ctx_pkt->prot_opts = cpu_to_le16(fw_prot_opts);
1545 crc_ctx_pkt->byte_count = cpu_to_le32(data_bytes);
1546 crc_ctx_pkt->guard_seed = cpu_to_le16(0);
1547 /* Fibre channel byte count */
1548 cmd_pkt->byte_count = cpu_to_le32(total_bytes);
1549 fcp_dl = (__be32 *)(crc_ctx_pkt->fcp_cmnd.cdb + 16 +
1550 additional_fcpcdb_len);
1551 *fcp_dl = htonl(total_bytes);
1553 if (!data_bytes || cmd->sc_data_direction == DMA_NONE) {
1554 cmd_pkt->byte_count = cpu_to_le32(0);
1557 /* Walks data segments */
1559 cmd_pkt->control_flags |= cpu_to_le16(CF_DATA_SEG_DESCR_ENABLE);
1561 if (!bundling && tot_prot_dsds) {
1562 if (qla24xx_walk_and_build_sglist_no_difb(ha, sp,
1563 cur_dsd, tot_dsds, NULL))
1564 goto crc_queuing_error;
1565 } else if (qla24xx_walk_and_build_sglist(ha, sp, cur_dsd,
1566 (tot_dsds - tot_prot_dsds), NULL))
1567 goto crc_queuing_error;
1569 if (bundling && tot_prot_dsds) {
1570 /* Walks dif segments */
1571 cmd_pkt->control_flags |= cpu_to_le16(CF_DIF_SEG_DESCR_ENABLE);
1572 cur_dsd = &crc_ctx_pkt->u.bundling.dif_dsd;
1573 if (qla24xx_walk_and_build_prot_sglist(ha, sp, cur_dsd,
1574 tot_prot_dsds, NULL))
1575 goto crc_queuing_error;
1580 /* Cleanup will be performed by the caller */
1582 return QLA_FUNCTION_FAILED;
1586 * qla24xx_start_scsi() - Send a SCSI command to the ISP
1587 * @sp: command to send to the ISP
1589 * Returns non-zero if a failure occurred, else zero.
1592 qla24xx_start_scsi(srb_t *sp)
1595 unsigned long flags;
1598 struct cmd_type_7 *cmd_pkt;
1602 struct req_que *req = NULL;
1603 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
1604 struct scsi_qla_host *vha = sp->vha;
1605 struct qla_hw_data *ha = vha->hw;
1607 /* Setup device pointers. */
1610 /* So we know we haven't pci_map'ed anything yet */
1613 /* Send marker if required */
1614 if (vha->marker_needed != 0) {
1615 if (qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL) !=
1617 return QLA_FUNCTION_FAILED;
1618 vha->marker_needed = 0;
1621 /* Acquire ring specific lock */
1622 spin_lock_irqsave(&ha->hardware_lock, flags);
1624 handle = qla2xxx_get_next_handle(req);
1628 /* Map the sg table so we have an accurate count of sg entries needed */
1629 if (scsi_sg_count(cmd)) {
1630 nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
1631 scsi_sg_count(cmd), cmd->sc_data_direction);
1632 if (unlikely(!nseg))
1638 req_cnt = qla24xx_calc_iocbs(vha, tot_dsds);
1640 sp->iores.res_type = RESOURCE_INI;
1641 sp->iores.iocb_cnt = req_cnt;
1642 if (qla_get_iocbs(sp->qpair, &sp->iores))
1645 if (req->cnt < (req_cnt + 2)) {
1646 cnt = IS_SHADOW_REG_CAPABLE(ha) ? *req->out_ptr :
1647 rd_reg_dword_relaxed(req->req_q_out);
1648 if (req->ring_index < cnt)
1649 req->cnt = cnt - req->ring_index;
1651 req->cnt = req->length -
1652 (req->ring_index - cnt);
1653 if (req->cnt < (req_cnt + 2))
1657 /* Build command packet. */
1658 req->current_outstanding_cmd = handle;
1659 req->outstanding_cmds[handle] = sp;
1660 sp->handle = handle;
1661 cmd->host_scribble = (unsigned char *)(unsigned long)handle;
1662 req->cnt -= req_cnt;
1664 cmd_pkt = (struct cmd_type_7 *)req->ring_ptr;
1665 cmd_pkt->handle = make_handle(req->id, handle);
1667 /* Zero out remaining portion of packet. */
1668 /* tagged queuing modifier -- default is TSK_SIMPLE (0). */
1669 clr_ptr = (uint32_t *)cmd_pkt + 2;
1670 memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8);
1671 cmd_pkt->dseg_count = cpu_to_le16(tot_dsds);
1673 /* Set NPORT-ID and LUN number*/
1674 cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id);
1675 cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa;
1676 cmd_pkt->port_id[1] = sp->fcport->d_id.b.area;
1677 cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain;
1678 cmd_pkt->vp_index = sp->vha->vp_idx;
1680 int_to_scsilun(cmd->device->lun, &cmd_pkt->lun);
1681 host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun));
1683 cmd_pkt->task = TSK_SIMPLE;
1685 /* Load SCSI command packet. */
1686 memcpy(cmd_pkt->fcp_cdb, cmd->cmnd, cmd->cmd_len);
1687 host_to_fcp_swap(cmd_pkt->fcp_cdb, sizeof(cmd_pkt->fcp_cdb));
1689 cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd));
1691 /* Build IOCB segments */
1692 qla24xx_build_scsi_iocbs(sp, cmd_pkt, tot_dsds, req);
1694 /* Set total data segment count. */
1695 cmd_pkt->entry_count = (uint8_t)req_cnt;
1697 /* Adjust ring index. */
1699 if (req->ring_index == req->length) {
1700 req->ring_index = 0;
1701 req->ring_ptr = req->ring;
1705 sp->flags |= SRB_DMA_VALID;
1707 /* Set chip new ring index. */
1708 wrt_reg_dword(req->req_q_in, req->ring_index);
1710 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1715 scsi_dma_unmap(cmd);
1717 qla_put_iocbs(sp->qpair, &sp->iores);
1718 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1720 return QLA_FUNCTION_FAILED;
1724 * qla24xx_dif_start_scsi() - Send a SCSI command to the ISP
1725 * @sp: command to send to the ISP
1727 * Returns non-zero if a failure occurred, else zero.
1730 qla24xx_dif_start_scsi(srb_t *sp)
1733 unsigned long flags;
1737 uint16_t req_cnt = 0;
1739 uint16_t tot_prot_dsds;
1740 uint16_t fw_prot_opts = 0;
1741 struct req_que *req = NULL;
1742 struct rsp_que *rsp = NULL;
1743 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
1744 struct scsi_qla_host *vha = sp->vha;
1745 struct qla_hw_data *ha = vha->hw;
1746 struct cmd_type_crc_2 *cmd_pkt;
1747 uint32_t status = 0;
1749 #define QDSS_GOT_Q_SPACE BIT_0
1751 /* Only process protection or >16 cdb in this routine */
1752 if (scsi_get_prot_op(cmd) == SCSI_PROT_NORMAL) {
1753 if (cmd->cmd_len <= 16)
1754 return qla24xx_start_scsi(sp);
1757 /* Setup device pointers. */
1761 /* So we know we haven't pci_map'ed anything yet */
1764 /* Send marker if required */
1765 if (vha->marker_needed != 0) {
1766 if (qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL) !=
1768 return QLA_FUNCTION_FAILED;
1769 vha->marker_needed = 0;
1772 /* Acquire ring specific lock */
1773 spin_lock_irqsave(&ha->hardware_lock, flags);
1775 handle = qla2xxx_get_next_handle(req);
1779 /* Compute number of required data segments */
1780 /* Map the sg table so we have an accurate count of sg entries needed */
1781 if (scsi_sg_count(cmd)) {
1782 nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
1783 scsi_sg_count(cmd), cmd->sc_data_direction);
1784 if (unlikely(!nseg))
1787 sp->flags |= SRB_DMA_VALID;
1789 if ((scsi_get_prot_op(cmd) == SCSI_PROT_READ_INSERT) ||
1790 (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_STRIP)) {
1791 struct qla2_sgx sgx;
1794 memset(&sgx, 0, sizeof(struct qla2_sgx));
1795 sgx.tot_bytes = scsi_bufflen(cmd);
1796 sgx.cur_sg = scsi_sglist(cmd);
1800 while (qla24xx_get_one_block_sg(
1801 cmd->device->sector_size, &sgx, &partial))
1807 /* number of required data segments */
1810 /* Compute number of required protection segments */
1811 if (qla24xx_configure_prot_mode(sp, &fw_prot_opts)) {
1812 nseg = dma_map_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
1813 scsi_prot_sg_count(cmd), cmd->sc_data_direction);
1814 if (unlikely(!nseg))
1817 sp->flags |= SRB_CRC_PROT_DMA_VALID;
1819 if ((scsi_get_prot_op(cmd) == SCSI_PROT_READ_INSERT) ||
1820 (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_STRIP)) {
1821 nseg = scsi_bufflen(cmd) / cmd->device->sector_size;
1828 /* Total Data and protection sg segment(s) */
1829 tot_prot_dsds = nseg;
1832 sp->iores.res_type = RESOURCE_INI;
1833 sp->iores.iocb_cnt = qla24xx_calc_iocbs(vha, tot_dsds);
1834 if (qla_get_iocbs(sp->qpair, &sp->iores))
1837 if (req->cnt < (req_cnt + 2)) {
1838 cnt = IS_SHADOW_REG_CAPABLE(ha) ? *req->out_ptr :
1839 rd_reg_dword_relaxed(req->req_q_out);
1840 if (req->ring_index < cnt)
1841 req->cnt = cnt - req->ring_index;
1843 req->cnt = req->length -
1844 (req->ring_index - cnt);
1845 if (req->cnt < (req_cnt + 2))
1849 status |= QDSS_GOT_Q_SPACE;
1851 /* Build header part of command packet (excluding the OPCODE). */
1852 req->current_outstanding_cmd = handle;
1853 req->outstanding_cmds[handle] = sp;
1854 sp->handle = handle;
1855 cmd->host_scribble = (unsigned char *)(unsigned long)handle;
1856 req->cnt -= req_cnt;
1858 /* Fill-in common area */
1859 cmd_pkt = (struct cmd_type_crc_2 *)req->ring_ptr;
1860 cmd_pkt->handle = make_handle(req->id, handle);
1862 clr_ptr = (uint32_t *)cmd_pkt + 2;
1863 memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8);
1865 /* Set NPORT-ID and LUN number*/
1866 cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id);
1867 cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa;
1868 cmd_pkt->port_id[1] = sp->fcport->d_id.b.area;
1869 cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain;
1871 int_to_scsilun(cmd->device->lun, &cmd_pkt->lun);
1872 host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun));
1874 /* Total Data and protection segment(s) */
1875 cmd_pkt->dseg_count = cpu_to_le16(tot_dsds);
1877 /* Build IOCB segments and adjust for data protection segments */
1878 if (qla24xx_build_scsi_crc_2_iocbs(sp, (struct cmd_type_crc_2 *)
1879 req->ring_ptr, tot_dsds, tot_prot_dsds, fw_prot_opts) !=
1883 cmd_pkt->entry_count = (uint8_t)req_cnt;
1884 /* Specify response queue number where completion should happen */
1885 cmd_pkt->entry_status = (uint8_t) rsp->id;
1886 cmd_pkt->timeout = cpu_to_le16(0);
1889 /* Adjust ring index. */
1891 if (req->ring_index == req->length) {
1892 req->ring_index = 0;
1893 req->ring_ptr = req->ring;
1897 /* Set chip new ring index. */
1898 wrt_reg_dword(req->req_q_in, req->ring_index);
1900 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1905 if (status & QDSS_GOT_Q_SPACE) {
1906 req->outstanding_cmds[handle] = NULL;
1907 req->cnt += req_cnt;
1909 /* Cleanup will be performed by the caller (queuecommand) */
1911 qla_put_iocbs(sp->qpair, &sp->iores);
1912 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1913 return QLA_FUNCTION_FAILED;
1917 * qla2xxx_start_scsi_mq() - Send a SCSI command to the ISP
1918 * @sp: command to send to the ISP
1920 * Returns non-zero if a failure occurred, else zero.
1923 qla2xxx_start_scsi_mq(srb_t *sp)
1926 unsigned long flags;
1929 struct cmd_type_7 *cmd_pkt;
1933 struct req_que *req = NULL;
1934 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
1935 struct scsi_qla_host *vha = sp->fcport->vha;
1936 struct qla_hw_data *ha = vha->hw;
1937 struct qla_qpair *qpair = sp->qpair;
1939 /* Acquire qpair specific lock */
1940 spin_lock_irqsave(&qpair->qp_lock, flags);
1942 /* Setup qpair pointers */
1945 /* So we know we haven't pci_map'ed anything yet */
1948 /* Send marker if required */
1949 if (vha->marker_needed != 0) {
1950 if (__qla2x00_marker(vha, qpair, 0, 0, MK_SYNC_ALL) !=
1952 spin_unlock_irqrestore(&qpair->qp_lock, flags);
1953 return QLA_FUNCTION_FAILED;
1955 vha->marker_needed = 0;
1958 handle = qla2xxx_get_next_handle(req);
1962 /* Map the sg table so we have an accurate count of sg entries needed */
1963 if (scsi_sg_count(cmd)) {
1964 nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
1965 scsi_sg_count(cmd), cmd->sc_data_direction);
1966 if (unlikely(!nseg))
1972 req_cnt = qla24xx_calc_iocbs(vha, tot_dsds);
1974 sp->iores.res_type = RESOURCE_INI;
1975 sp->iores.iocb_cnt = req_cnt;
1976 if (qla_get_iocbs(sp->qpair, &sp->iores))
1979 if (req->cnt < (req_cnt + 2)) {
1980 cnt = IS_SHADOW_REG_CAPABLE(ha) ? *req->out_ptr :
1981 rd_reg_dword_relaxed(req->req_q_out);
1982 if (req->ring_index < cnt)
1983 req->cnt = cnt - req->ring_index;
1985 req->cnt = req->length -
1986 (req->ring_index - cnt);
1987 if (req->cnt < (req_cnt + 2))
1991 /* Build command packet. */
1992 req->current_outstanding_cmd = handle;
1993 req->outstanding_cmds[handle] = sp;
1994 sp->handle = handle;
1995 cmd->host_scribble = (unsigned char *)(unsigned long)handle;
1996 req->cnt -= req_cnt;
1998 cmd_pkt = (struct cmd_type_7 *)req->ring_ptr;
1999 cmd_pkt->handle = make_handle(req->id, handle);
2001 /* Zero out remaining portion of packet. */
2002 /* tagged queuing modifier -- default is TSK_SIMPLE (0). */
2003 clr_ptr = (uint32_t *)cmd_pkt + 2;
2004 memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8);
2005 cmd_pkt->dseg_count = cpu_to_le16(tot_dsds);
2007 /* Set NPORT-ID and LUN number*/
2008 cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id);
2009 cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa;
2010 cmd_pkt->port_id[1] = sp->fcport->d_id.b.area;
2011 cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain;
2012 cmd_pkt->vp_index = sp->fcport->vha->vp_idx;
2014 int_to_scsilun(cmd->device->lun, &cmd_pkt->lun);
2015 host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun));
2017 cmd_pkt->task = TSK_SIMPLE;
2019 /* Load SCSI command packet. */
2020 memcpy(cmd_pkt->fcp_cdb, cmd->cmnd, cmd->cmd_len);
2021 host_to_fcp_swap(cmd_pkt->fcp_cdb, sizeof(cmd_pkt->fcp_cdb));
2023 cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd));
2025 /* Build IOCB segments */
2026 qla24xx_build_scsi_iocbs(sp, cmd_pkt, tot_dsds, req);
2028 /* Set total data segment count. */
2029 cmd_pkt->entry_count = (uint8_t)req_cnt;
2031 /* Adjust ring index. */
2033 if (req->ring_index == req->length) {
2034 req->ring_index = 0;
2035 req->ring_ptr = req->ring;
2039 sp->flags |= SRB_DMA_VALID;
2041 /* Set chip new ring index. */
2042 wrt_reg_dword(req->req_q_in, req->ring_index);
2044 spin_unlock_irqrestore(&qpair->qp_lock, flags);
2049 scsi_dma_unmap(cmd);
2051 qla_put_iocbs(sp->qpair, &sp->iores);
2052 spin_unlock_irqrestore(&qpair->qp_lock, flags);
2054 return QLA_FUNCTION_FAILED;
2059 * qla2xxx_dif_start_scsi_mq() - Send a SCSI command to the ISP
2060 * @sp: command to send to the ISP
2062 * Returns non-zero if a failure occurred, else zero.
2065 qla2xxx_dif_start_scsi_mq(srb_t *sp)
2068 unsigned long flags;
2072 uint16_t req_cnt = 0;
2074 uint16_t tot_prot_dsds;
2075 uint16_t fw_prot_opts = 0;
2076 struct req_que *req = NULL;
2077 struct rsp_que *rsp = NULL;
2078 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
2079 struct scsi_qla_host *vha = sp->fcport->vha;
2080 struct qla_hw_data *ha = vha->hw;
2081 struct cmd_type_crc_2 *cmd_pkt;
2082 uint32_t status = 0;
2083 struct qla_qpair *qpair = sp->qpair;
2085 #define QDSS_GOT_Q_SPACE BIT_0
2087 /* Check for host side state */
2088 if (!qpair->online) {
2089 cmd->result = DID_NO_CONNECT << 16;
2090 return QLA_INTERFACE_ERROR;
2093 if (!qpair->difdix_supported &&
2094 scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
2095 cmd->result = DID_NO_CONNECT << 16;
2096 return QLA_INTERFACE_ERROR;
2099 /* Only process protection or >16 cdb in this routine */
2100 if (scsi_get_prot_op(cmd) == SCSI_PROT_NORMAL) {
2101 if (cmd->cmd_len <= 16)
2102 return qla2xxx_start_scsi_mq(sp);
2105 spin_lock_irqsave(&qpair->qp_lock, flags);
2107 /* Setup qpair pointers */
2111 /* So we know we haven't pci_map'ed anything yet */
2114 /* Send marker if required */
2115 if (vha->marker_needed != 0) {
2116 if (__qla2x00_marker(vha, qpair, 0, 0, MK_SYNC_ALL) !=
2118 spin_unlock_irqrestore(&qpair->qp_lock, flags);
2119 return QLA_FUNCTION_FAILED;
2121 vha->marker_needed = 0;
2124 handle = qla2xxx_get_next_handle(req);
2128 /* Compute number of required data segments */
2129 /* Map the sg table so we have an accurate count of sg entries needed */
2130 if (scsi_sg_count(cmd)) {
2131 nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
2132 scsi_sg_count(cmd), cmd->sc_data_direction);
2133 if (unlikely(!nseg))
2136 sp->flags |= SRB_DMA_VALID;
2138 if ((scsi_get_prot_op(cmd) == SCSI_PROT_READ_INSERT) ||
2139 (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_STRIP)) {
2140 struct qla2_sgx sgx;
2143 memset(&sgx, 0, sizeof(struct qla2_sgx));
2144 sgx.tot_bytes = scsi_bufflen(cmd);
2145 sgx.cur_sg = scsi_sglist(cmd);
2149 while (qla24xx_get_one_block_sg(
2150 cmd->device->sector_size, &sgx, &partial))
2156 /* number of required data segments */
2159 /* Compute number of required protection segments */
2160 if (qla24xx_configure_prot_mode(sp, &fw_prot_opts)) {
2161 nseg = dma_map_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
2162 scsi_prot_sg_count(cmd), cmd->sc_data_direction);
2163 if (unlikely(!nseg))
2166 sp->flags |= SRB_CRC_PROT_DMA_VALID;
2168 if ((scsi_get_prot_op(cmd) == SCSI_PROT_READ_INSERT) ||
2169 (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_STRIP)) {
2170 nseg = scsi_bufflen(cmd) / cmd->device->sector_size;
2177 /* Total Data and protection sg segment(s) */
2178 tot_prot_dsds = nseg;
2181 sp->iores.res_type = RESOURCE_INI;
2182 sp->iores.iocb_cnt = qla24xx_calc_iocbs(vha, tot_dsds);
2183 if (qla_get_iocbs(sp->qpair, &sp->iores))
2186 if (req->cnt < (req_cnt + 2)) {
2187 cnt = IS_SHADOW_REG_CAPABLE(ha) ? *req->out_ptr :
2188 rd_reg_dword_relaxed(req->req_q_out);
2189 if (req->ring_index < cnt)
2190 req->cnt = cnt - req->ring_index;
2192 req->cnt = req->length -
2193 (req->ring_index - cnt);
2194 if (req->cnt < (req_cnt + 2))
2198 status |= QDSS_GOT_Q_SPACE;
2200 /* Build header part of command packet (excluding the OPCODE). */
2201 req->current_outstanding_cmd = handle;
2202 req->outstanding_cmds[handle] = sp;
2203 sp->handle = handle;
2204 cmd->host_scribble = (unsigned char *)(unsigned long)handle;
2205 req->cnt -= req_cnt;
2207 /* Fill-in common area */
2208 cmd_pkt = (struct cmd_type_crc_2 *)req->ring_ptr;
2209 cmd_pkt->handle = make_handle(req->id, handle);
2211 clr_ptr = (uint32_t *)cmd_pkt + 2;
2212 memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8);
2214 /* Set NPORT-ID and LUN number*/
2215 cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id);
2216 cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa;
2217 cmd_pkt->port_id[1] = sp->fcport->d_id.b.area;
2218 cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain;
2220 int_to_scsilun(cmd->device->lun, &cmd_pkt->lun);
2221 host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun));
2223 /* Total Data and protection segment(s) */
2224 cmd_pkt->dseg_count = cpu_to_le16(tot_dsds);
2226 /* Build IOCB segments and adjust for data protection segments */
2227 if (qla24xx_build_scsi_crc_2_iocbs(sp, (struct cmd_type_crc_2 *)
2228 req->ring_ptr, tot_dsds, tot_prot_dsds, fw_prot_opts) !=
2232 cmd_pkt->entry_count = (uint8_t)req_cnt;
2233 cmd_pkt->timeout = cpu_to_le16(0);
2236 /* Adjust ring index. */
2238 if (req->ring_index == req->length) {
2239 req->ring_index = 0;
2240 req->ring_ptr = req->ring;
2244 /* Set chip new ring index. */
2245 wrt_reg_dword(req->req_q_in, req->ring_index);
2247 /* Manage unprocessed RIO/ZIO commands in response queue. */
2248 if (vha->flags.process_response_queue &&
2249 rsp->ring_ptr->signature != RESPONSE_PROCESSED)
2250 qla24xx_process_response_queue(vha, rsp);
2252 spin_unlock_irqrestore(&qpair->qp_lock, flags);
2257 if (status & QDSS_GOT_Q_SPACE) {
2258 req->outstanding_cmds[handle] = NULL;
2259 req->cnt += req_cnt;
2261 /* Cleanup will be performed by the caller (queuecommand) */
2263 qla_put_iocbs(sp->qpair, &sp->iores);
2264 spin_unlock_irqrestore(&qpair->qp_lock, flags);
2265 return QLA_FUNCTION_FAILED;
2268 /* Generic Control-SRB manipulation functions. */
2270 /* hardware_lock assumed to be held. */
2273 __qla2x00_alloc_iocbs(struct qla_qpair *qpair, srb_t *sp)
2275 scsi_qla_host_t *vha = qpair->vha;
2276 struct qla_hw_data *ha = vha->hw;
2277 struct req_que *req = qpair->req;
2278 device_reg_t *reg = ISP_QUE_REG(ha, req->id);
2281 uint16_t cnt, req_cnt;
2287 if (sp && (sp->type != SRB_SCSI_CMD)) {
2288 /* Adjust entry-counts as needed. */
2289 req_cnt = sp->iocbs;
2292 /* Check for room on request queue. */
2293 if (req->cnt < req_cnt + 2) {
2294 if (qpair->use_shadow_reg)
2295 cnt = *req->out_ptr;
2296 else if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
2298 cnt = rd_reg_dword(®->isp25mq.req_q_out);
2299 else if (IS_P3P_TYPE(ha))
2300 cnt = rd_reg_dword(reg->isp82.req_q_out);
2301 else if (IS_FWI2_CAPABLE(ha))
2302 cnt = rd_reg_dword(®->isp24.req_q_out);
2303 else if (IS_QLAFX00(ha))
2304 cnt = rd_reg_dword(®->ispfx00.req_q_out);
2306 cnt = qla2x00_debounce_register(
2307 ISP_REQ_Q_OUT(ha, ®->isp));
2309 if (req->ring_index < cnt)
2310 req->cnt = cnt - req->ring_index;
2312 req->cnt = req->length -
2313 (req->ring_index - cnt);
2315 if (req->cnt < req_cnt + 2)
2319 handle = qla2xxx_get_next_handle(req);
2321 ql_log(ql_log_warn, vha, 0x700b,
2322 "No room on outstanding cmd array.\n");
2326 /* Prep command array. */
2327 req->current_outstanding_cmd = handle;
2328 req->outstanding_cmds[handle] = sp;
2329 sp->handle = handle;
2333 req->cnt -= req_cnt;
2334 pkt = req->ring_ptr;
2335 memset(pkt, 0, REQUEST_ENTRY_SIZE);
2336 if (IS_QLAFX00(ha)) {
2337 wrt_reg_byte((u8 __force __iomem *)&pkt->entry_count, req_cnt);
2338 wrt_reg_dword((__le32 __force __iomem *)&pkt->handle, handle);
2340 pkt->entry_count = req_cnt;
2341 pkt->handle = handle;
2347 qpair->tgt_counters.num_alloc_iocb_failed++;
2352 qla2x00_alloc_iocbs_ready(struct qla_qpair *qpair, srb_t *sp)
2354 scsi_qla_host_t *vha = qpair->vha;
2356 if (qla2x00_reset_active(vha))
2359 return __qla2x00_alloc_iocbs(qpair, sp);
2363 qla2x00_alloc_iocbs(struct scsi_qla_host *vha, srb_t *sp)
2365 return __qla2x00_alloc_iocbs(vha->hw->base_qpair, sp);
2369 qla24xx_prli_iocb(srb_t *sp, struct logio_entry_24xx *logio)
2371 struct srb_iocb *lio = &sp->u.iocb_cmd;
2373 logio->entry_type = LOGINOUT_PORT_IOCB_TYPE;
2374 logio->control_flags = cpu_to_le16(LCF_COMMAND_PRLI);
2375 if (lio->u.logio.flags & SRB_LOGIN_NVME_PRLI) {
2376 logio->control_flags |= cpu_to_le16(LCF_NVME_PRLI);
2377 if (sp->vha->flags.nvme_first_burst)
2378 logio->io_parameter[0] =
2379 cpu_to_le32(NVME_PRLI_SP_FIRST_BURST);
2380 if (sp->vha->flags.nvme2_enabled) {
2381 /* Set service parameter BIT_7 for NVME CONF support */
2382 logio->io_parameter[0] |= NVME_PRLI_SP_CONF;
2383 /* Set service parameter BIT_8 for SLER support */
2384 logio->io_parameter[0] |=
2385 cpu_to_le32(NVME_PRLI_SP_SLER);
2386 /* Set service parameter BIT_9 for PI control support */
2387 logio->io_parameter[0] |=
2388 cpu_to_le32(NVME_PRLI_SP_PI_CTRL);
2392 logio->nport_handle = cpu_to_le16(sp->fcport->loop_id);
2393 logio->port_id[0] = sp->fcport->d_id.b.al_pa;
2394 logio->port_id[1] = sp->fcport->d_id.b.area;
2395 logio->port_id[2] = sp->fcport->d_id.b.domain;
2396 logio->vp_index = sp->vha->vp_idx;
2400 qla24xx_login_iocb(srb_t *sp, struct logio_entry_24xx *logio)
2402 struct srb_iocb *lio = &sp->u.iocb_cmd;
2404 logio->entry_type = LOGINOUT_PORT_IOCB_TYPE;
2405 logio->control_flags = cpu_to_le16(LCF_COMMAND_PLOGI);
2407 if (lio->u.logio.flags & SRB_LOGIN_PRLI_ONLY) {
2408 logio->control_flags = cpu_to_le16(LCF_COMMAND_PRLI);
2410 logio->control_flags = cpu_to_le16(LCF_COMMAND_PLOGI);
2411 if (lio->u.logio.flags & SRB_LOGIN_COND_PLOGI)
2412 logio->control_flags |= cpu_to_le16(LCF_COND_PLOGI);
2413 if (lio->u.logio.flags & SRB_LOGIN_SKIP_PRLI)
2414 logio->control_flags |= cpu_to_le16(LCF_SKIP_PRLI);
2416 logio->nport_handle = cpu_to_le16(sp->fcport->loop_id);
2417 logio->port_id[0] = sp->fcport->d_id.b.al_pa;
2418 logio->port_id[1] = sp->fcport->d_id.b.area;
2419 logio->port_id[2] = sp->fcport->d_id.b.domain;
2420 logio->vp_index = sp->vha->vp_idx;
2424 qla2x00_login_iocb(srb_t *sp, struct mbx_entry *mbx)
2426 struct qla_hw_data *ha = sp->vha->hw;
2427 struct srb_iocb *lio = &sp->u.iocb_cmd;
2430 mbx->entry_type = MBX_IOCB_TYPE;
2431 SET_TARGET_ID(ha, mbx->loop_id, sp->fcport->loop_id);
2432 mbx->mb0 = cpu_to_le16(MBC_LOGIN_FABRIC_PORT);
2433 opts = lio->u.logio.flags & SRB_LOGIN_COND_PLOGI ? BIT_0 : 0;
2434 opts |= lio->u.logio.flags & SRB_LOGIN_SKIP_PRLI ? BIT_1 : 0;
2435 if (HAS_EXTENDED_IDS(ha)) {
2436 mbx->mb1 = cpu_to_le16(sp->fcport->loop_id);
2437 mbx->mb10 = cpu_to_le16(opts);
2439 mbx->mb1 = cpu_to_le16((sp->fcport->loop_id << 8) | opts);
2441 mbx->mb2 = cpu_to_le16(sp->fcport->d_id.b.domain);
2442 mbx->mb3 = cpu_to_le16(sp->fcport->d_id.b.area << 8 |
2443 sp->fcport->d_id.b.al_pa);
2444 mbx->mb9 = cpu_to_le16(sp->vha->vp_idx);
2448 qla24xx_logout_iocb(srb_t *sp, struct logio_entry_24xx *logio)
2450 u16 control_flags = LCF_COMMAND_LOGO;
2451 logio->entry_type = LOGINOUT_PORT_IOCB_TYPE;
2453 if (sp->fcport->explicit_logout) {
2454 control_flags |= LCF_EXPL_LOGO|LCF_FREE_NPORT;
2456 control_flags |= LCF_IMPL_LOGO;
2458 if (!sp->fcport->keep_nport_handle)
2459 control_flags |= LCF_FREE_NPORT;
2462 logio->control_flags = cpu_to_le16(control_flags);
2463 logio->nport_handle = cpu_to_le16(sp->fcport->loop_id);
2464 logio->port_id[0] = sp->fcport->d_id.b.al_pa;
2465 logio->port_id[1] = sp->fcport->d_id.b.area;
2466 logio->port_id[2] = sp->fcport->d_id.b.domain;
2467 logio->vp_index = sp->vha->vp_idx;
2471 qla2x00_logout_iocb(srb_t *sp, struct mbx_entry *mbx)
2473 struct qla_hw_data *ha = sp->vha->hw;
2475 mbx->entry_type = MBX_IOCB_TYPE;
2476 SET_TARGET_ID(ha, mbx->loop_id, sp->fcport->loop_id);
2477 mbx->mb0 = cpu_to_le16(MBC_LOGOUT_FABRIC_PORT);
2478 mbx->mb1 = HAS_EXTENDED_IDS(ha) ?
2479 cpu_to_le16(sp->fcport->loop_id) :
2480 cpu_to_le16(sp->fcport->loop_id << 8);
2481 mbx->mb2 = cpu_to_le16(sp->fcport->d_id.b.domain);
2482 mbx->mb3 = cpu_to_le16(sp->fcport->d_id.b.area << 8 |
2483 sp->fcport->d_id.b.al_pa);
2484 mbx->mb9 = cpu_to_le16(sp->vha->vp_idx);
2485 /* Implicit: mbx->mbx10 = 0. */
2489 qla24xx_adisc_iocb(srb_t *sp, struct logio_entry_24xx *logio)
2491 logio->entry_type = LOGINOUT_PORT_IOCB_TYPE;
2492 logio->control_flags = cpu_to_le16(LCF_COMMAND_ADISC);
2493 logio->nport_handle = cpu_to_le16(sp->fcport->loop_id);
2494 logio->vp_index = sp->vha->vp_idx;
2498 qla2x00_adisc_iocb(srb_t *sp, struct mbx_entry *mbx)
2500 struct qla_hw_data *ha = sp->vha->hw;
2502 mbx->entry_type = MBX_IOCB_TYPE;
2503 SET_TARGET_ID(ha, mbx->loop_id, sp->fcport->loop_id);
2504 mbx->mb0 = cpu_to_le16(MBC_GET_PORT_DATABASE);
2505 if (HAS_EXTENDED_IDS(ha)) {
2506 mbx->mb1 = cpu_to_le16(sp->fcport->loop_id);
2507 mbx->mb10 = cpu_to_le16(BIT_0);
2509 mbx->mb1 = cpu_to_le16((sp->fcport->loop_id << 8) | BIT_0);
2511 mbx->mb2 = cpu_to_le16(MSW(ha->async_pd_dma));
2512 mbx->mb3 = cpu_to_le16(LSW(ha->async_pd_dma));
2513 mbx->mb6 = cpu_to_le16(MSW(MSD(ha->async_pd_dma)));
2514 mbx->mb7 = cpu_to_le16(LSW(MSD(ha->async_pd_dma)));
2515 mbx->mb9 = cpu_to_le16(sp->vha->vp_idx);
2519 qla24xx_tm_iocb(srb_t *sp, struct tsk_mgmt_entry *tsk)
2523 struct fc_port *fcport = sp->fcport;
2524 scsi_qla_host_t *vha = fcport->vha;
2525 struct qla_hw_data *ha = vha->hw;
2526 struct srb_iocb *iocb = &sp->u.iocb_cmd;
2527 struct req_que *req = vha->req;
2529 flags = iocb->u.tmf.flags;
2530 lun = iocb->u.tmf.lun;
2532 tsk->entry_type = TSK_MGMT_IOCB_TYPE;
2533 tsk->entry_count = 1;
2534 tsk->handle = make_handle(req->id, tsk->handle);
2535 tsk->nport_handle = cpu_to_le16(fcport->loop_id);
2536 tsk->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
2537 tsk->control_flags = cpu_to_le32(flags);
2538 tsk->port_id[0] = fcport->d_id.b.al_pa;
2539 tsk->port_id[1] = fcport->d_id.b.area;
2540 tsk->port_id[2] = fcport->d_id.b.domain;
2541 tsk->vp_index = fcport->vha->vp_idx;
2543 if (flags == TCF_LUN_RESET) {
2544 int_to_scsilun(lun, &tsk->lun);
2545 host_to_fcp_swap((uint8_t *)&tsk->lun,
2550 void qla2x00_init_timer(srb_t *sp, unsigned long tmo)
2552 timer_setup(&sp->u.iocb_cmd.timer, qla2x00_sp_timeout, 0);
2553 sp->u.iocb_cmd.timer.expires = jiffies + tmo * HZ;
2554 sp->free = qla2x00_sp_free;
2555 if (IS_QLAFX00(sp->vha->hw) && sp->type == SRB_FXIOCB_DCMD)
2556 init_completion(&sp->u.iocb_cmd.u.fxiocb.fxiocb_comp);
2557 sp->start_timer = 1;
2560 static void qla2x00_els_dcmd_sp_free(srb_t *sp)
2562 struct srb_iocb *elsio = &sp->u.iocb_cmd;
2566 if (elsio->u.els_logo.els_logo_pyld)
2567 dma_free_coherent(&sp->vha->hw->pdev->dev, DMA_POOL_SIZE,
2568 elsio->u.els_logo.els_logo_pyld,
2569 elsio->u.els_logo.els_logo_pyld_dma);
2571 del_timer(&elsio->timer);
2576 qla2x00_els_dcmd_iocb_timeout(void *data)
2579 fc_port_t *fcport = sp->fcport;
2580 struct scsi_qla_host *vha = sp->vha;
2581 struct srb_iocb *lio = &sp->u.iocb_cmd;
2582 unsigned long flags = 0;
2585 ql_dbg(ql_dbg_io, vha, 0x3069,
2586 "%s Timeout, hdl=%x, portid=%02x%02x%02x\n",
2587 sp->name, sp->handle, fcport->d_id.b.domain, fcport->d_id.b.area,
2588 fcport->d_id.b.al_pa);
2590 /* Abort the exchange */
2591 res = qla24xx_async_abort_cmd(sp, false);
2593 ql_dbg(ql_dbg_io, vha, 0x3070,
2594 "mbx abort_command failed.\n");
2595 spin_lock_irqsave(sp->qpair->qp_lock_ptr, flags);
2596 for (h = 1; h < sp->qpair->req->num_outstanding_cmds; h++) {
2597 if (sp->qpair->req->outstanding_cmds[h] == sp) {
2598 sp->qpair->req->outstanding_cmds[h] = NULL;
2602 spin_unlock_irqrestore(sp->qpair->qp_lock_ptr, flags);
2603 complete(&lio->u.els_logo.comp);
2605 ql_dbg(ql_dbg_io, vha, 0x3071,
2606 "mbx abort_command success.\n");
2610 static void qla2x00_els_dcmd_sp_done(srb_t *sp, int res)
2612 fc_port_t *fcport = sp->fcport;
2613 struct srb_iocb *lio = &sp->u.iocb_cmd;
2614 struct scsi_qla_host *vha = sp->vha;
2616 ql_dbg(ql_dbg_io, vha, 0x3072,
2617 "%s hdl=%x, portid=%02x%02x%02x done\n",
2618 sp->name, sp->handle, fcport->d_id.b.domain,
2619 fcport->d_id.b.area, fcport->d_id.b.al_pa);
2621 complete(&lio->u.els_logo.comp);
2625 qla24xx_els_dcmd_iocb(scsi_qla_host_t *vha, int els_opcode,
2626 port_id_t remote_did)
2629 fc_port_t *fcport = NULL;
2630 struct srb_iocb *elsio = NULL;
2631 struct qla_hw_data *ha = vha->hw;
2632 struct els_logo_payload logo_pyld;
2633 int rval = QLA_SUCCESS;
2635 fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2637 ql_log(ql_log_info, vha, 0x70e5, "fcport allocation failed\n");
2641 /* Alloc SRB structure */
2642 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
2645 ql_log(ql_log_info, vha, 0x70e6,
2646 "SRB allocation failed\n");
2650 elsio = &sp->u.iocb_cmd;
2651 fcport->loop_id = 0xFFFF;
2652 fcport->d_id.b.domain = remote_did.b.domain;
2653 fcport->d_id.b.area = remote_did.b.area;
2654 fcport->d_id.b.al_pa = remote_did.b.al_pa;
2656 ql_dbg(ql_dbg_io, vha, 0x3073, "portid=%02x%02x%02x done\n",
2657 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa);
2659 sp->type = SRB_ELS_DCMD;
2660 sp->name = "ELS_DCMD";
2661 sp->fcport = fcport;
2662 elsio->timeout = qla2x00_els_dcmd_iocb_timeout;
2663 qla2x00_init_timer(sp, ELS_DCMD_TIMEOUT);
2664 init_completion(&sp->u.iocb_cmd.u.els_logo.comp);
2665 sp->done = qla2x00_els_dcmd_sp_done;
2666 sp->free = qla2x00_els_dcmd_sp_free;
2668 elsio->u.els_logo.els_logo_pyld = dma_alloc_coherent(&ha->pdev->dev,
2669 DMA_POOL_SIZE, &elsio->u.els_logo.els_logo_pyld_dma,
2672 if (!elsio->u.els_logo.els_logo_pyld) {
2674 return QLA_FUNCTION_FAILED;
2677 memset(&logo_pyld, 0, sizeof(struct els_logo_payload));
2679 elsio->u.els_logo.els_cmd = els_opcode;
2680 logo_pyld.opcode = els_opcode;
2681 logo_pyld.s_id[0] = vha->d_id.b.al_pa;
2682 logo_pyld.s_id[1] = vha->d_id.b.area;
2683 logo_pyld.s_id[2] = vha->d_id.b.domain;
2684 host_to_fcp_swap(logo_pyld.s_id, sizeof(uint32_t));
2685 memcpy(&logo_pyld.wwpn, vha->port_name, WWN_SIZE);
2687 memcpy(elsio->u.els_logo.els_logo_pyld, &logo_pyld,
2688 sizeof(struct els_logo_payload));
2689 ql_dbg(ql_dbg_disc + ql_dbg_buffer, vha, 0x3075, "LOGO buffer:");
2690 ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x010a,
2691 elsio->u.els_logo.els_logo_pyld,
2692 sizeof(*elsio->u.els_logo.els_logo_pyld));
2694 rval = qla2x00_start_sp(sp);
2695 if (rval != QLA_SUCCESS) {
2697 return QLA_FUNCTION_FAILED;
2700 ql_dbg(ql_dbg_io, vha, 0x3074,
2701 "%s LOGO sent, hdl=%x, loopid=%x, portid=%02x%02x%02x.\n",
2702 sp->name, sp->handle, fcport->loop_id, fcport->d_id.b.domain,
2703 fcport->d_id.b.area, fcport->d_id.b.al_pa);
2705 wait_for_completion(&elsio->u.els_logo.comp);
2712 qla24xx_els_logo_iocb(srb_t *sp, struct els_entry_24xx *els_iocb)
2714 scsi_qla_host_t *vha = sp->vha;
2715 struct srb_iocb *elsio = &sp->u.iocb_cmd;
2717 els_iocb->entry_type = ELS_IOCB_TYPE;
2718 els_iocb->entry_count = 1;
2719 els_iocb->sys_define = 0;
2720 els_iocb->entry_status = 0;
2721 els_iocb->handle = sp->handle;
2722 els_iocb->nport_handle = cpu_to_le16(sp->fcport->loop_id);
2723 els_iocb->tx_dsd_count = cpu_to_le16(1);
2724 els_iocb->vp_index = vha->vp_idx;
2725 els_iocb->sof_type = EST_SOFI3;
2726 els_iocb->rx_dsd_count = 0;
2727 els_iocb->opcode = elsio->u.els_logo.els_cmd;
2729 els_iocb->d_id[0] = sp->fcport->d_id.b.al_pa;
2730 els_iocb->d_id[1] = sp->fcport->d_id.b.area;
2731 els_iocb->d_id[2] = sp->fcport->d_id.b.domain;
2732 /* For SID the byte order is different than DID */
2733 els_iocb->s_id[1] = vha->d_id.b.al_pa;
2734 els_iocb->s_id[2] = vha->d_id.b.area;
2735 els_iocb->s_id[0] = vha->d_id.b.domain;
2737 if (elsio->u.els_logo.els_cmd == ELS_DCMD_PLOGI) {
2738 els_iocb->control_flags = 0;
2739 els_iocb->tx_byte_count = els_iocb->tx_len =
2740 cpu_to_le32(sizeof(struct els_plogi_payload));
2741 put_unaligned_le64(elsio->u.els_plogi.els_plogi_pyld_dma,
2742 &els_iocb->tx_address);
2743 els_iocb->rx_dsd_count = cpu_to_le16(1);
2744 els_iocb->rx_byte_count = els_iocb->rx_len =
2745 cpu_to_le32(sizeof(struct els_plogi_payload));
2746 put_unaligned_le64(elsio->u.els_plogi.els_resp_pyld_dma,
2747 &els_iocb->rx_address);
2749 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x3073,
2750 "PLOGI ELS IOCB:\n");
2751 ql_dump_buffer(ql_log_info, vha, 0x0109,
2752 (uint8_t *)els_iocb,
2755 els_iocb->control_flags = cpu_to_le16(1 << 13);
2756 els_iocb->tx_byte_count =
2757 cpu_to_le32(sizeof(struct els_logo_payload));
2758 put_unaligned_le64(elsio->u.els_logo.els_logo_pyld_dma,
2759 &els_iocb->tx_address);
2760 els_iocb->tx_len = cpu_to_le32(sizeof(struct els_logo_payload));
2762 els_iocb->rx_byte_count = 0;
2763 els_iocb->rx_address = 0;
2764 els_iocb->rx_len = 0;
2765 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x3076,
2767 ql_dump_buffer(ql_log_info, vha, 0x010b,
2772 sp->vha->qla_stats.control_requests++;
2776 qla2x00_els_dcmd2_iocb_timeout(void *data)
2779 fc_port_t *fcport = sp->fcport;
2780 struct scsi_qla_host *vha = sp->vha;
2781 unsigned long flags = 0;
2784 ql_dbg(ql_dbg_io + ql_dbg_disc, vha, 0x3069,
2785 "%s hdl=%x ELS Timeout, %8phC portid=%06x\n",
2786 sp->name, sp->handle, fcport->port_name, fcport->d_id.b24);
2788 /* Abort the exchange */
2789 res = qla24xx_async_abort_cmd(sp, false);
2790 ql_dbg(ql_dbg_io, vha, 0x3070,
2791 "mbx abort_command %s\n",
2792 (res == QLA_SUCCESS) ? "successful" : "failed");
2794 spin_lock_irqsave(sp->qpair->qp_lock_ptr, flags);
2795 for (h = 1; h < sp->qpair->req->num_outstanding_cmds; h++) {
2796 if (sp->qpair->req->outstanding_cmds[h] == sp) {
2797 sp->qpair->req->outstanding_cmds[h] = NULL;
2801 spin_unlock_irqrestore(sp->qpair->qp_lock_ptr, flags);
2802 sp->done(sp, QLA_FUNCTION_TIMEOUT);
2806 void qla2x00_els_dcmd2_free(scsi_qla_host_t *vha, struct els_plogi *els_plogi)
2808 if (els_plogi->els_plogi_pyld)
2809 dma_free_coherent(&vha->hw->pdev->dev,
2811 els_plogi->els_plogi_pyld,
2812 els_plogi->els_plogi_pyld_dma);
2814 if (els_plogi->els_resp_pyld)
2815 dma_free_coherent(&vha->hw->pdev->dev,
2817 els_plogi->els_resp_pyld,
2818 els_plogi->els_resp_pyld_dma);
2821 static void qla2x00_els_dcmd2_sp_done(srb_t *sp, int res)
2823 fc_port_t *fcport = sp->fcport;
2824 struct srb_iocb *lio = &sp->u.iocb_cmd;
2825 struct scsi_qla_host *vha = sp->vha;
2826 struct event_arg ea;
2827 struct qla_work_evt *e;
2828 struct fc_port *conflict_fcport;
2829 port_id_t cid; /* conflict Nport id */
2830 const __le32 *fw_status = sp->u.iocb_cmd.u.els_plogi.fw_status;
2833 ql_dbg(ql_dbg_disc, vha, 0x3072,
2834 "%s ELS done rc %d hdl=%x, portid=%06x %8phC\n",
2835 sp->name, res, sp->handle, fcport->d_id.b24, fcport->port_name);
2837 fcport->flags &= ~(FCF_ASYNC_SENT|FCF_ASYNC_ACTIVE);
2838 del_timer(&sp->u.iocb_cmd.timer);
2840 if (sp->flags & SRB_WAKEUP_ON_COMP)
2841 complete(&lio->u.els_plogi.comp);
2843 switch (le32_to_cpu(fw_status[0])) {
2844 case CS_DATA_UNDERRUN:
2846 memset(&ea, 0, sizeof(ea));
2849 qla_handle_els_plogi_done(vha, &ea);
2853 switch (le32_to_cpu(fw_status[1])) {
2854 case LSC_SCODE_PORTID_USED:
2855 lid = le32_to_cpu(fw_status[2]) & 0xffff;
2856 qlt_find_sess_invalidate_other(vha,
2857 wwn_to_u64(fcport->port_name),
2858 fcport->d_id, lid, &conflict_fcport);
2859 if (conflict_fcport) {
2861 * Another fcport shares the same
2862 * loop_id & nport id; conflict
2863 * fcport needs to finish cleanup
2864 * before this fcport can proceed
2867 conflict_fcport->conflict = fcport;
2868 fcport->login_pause = 1;
2869 ql_dbg(ql_dbg_disc, vha, 0x20ed,
2870 "%s %d %8phC pid %06x inuse with lid %#x post gidpn\n",
2873 fcport->d_id.b24, lid);
2875 ql_dbg(ql_dbg_disc, vha, 0x20ed,
2876 "%s %d %8phC pid %06x inuse with lid %#x sched del\n",
2879 fcport->d_id.b24, lid);
2880 qla2x00_clear_loop_id(fcport);
2881 set_bit(lid, vha->hw->loop_id_map);
2882 fcport->loop_id = lid;
2883 fcport->keep_nport_handle = 0;
2884 qlt_schedule_sess_for_deletion(fcport);
2888 case LSC_SCODE_NPORT_USED:
2889 cid.b.domain = (le32_to_cpu(fw_status[2]) >> 16)
2891 cid.b.area = (le32_to_cpu(fw_status[2]) >> 8)
2893 cid.b.al_pa = le32_to_cpu(fw_status[2]) & 0xff;
2896 ql_dbg(ql_dbg_disc, vha, 0x20ec,
2897 "%s %d %8phC lid %#x in use with pid %06x post gnl\n",
2898 __func__, __LINE__, fcport->port_name,
2899 fcport->loop_id, cid.b24);
2900 set_bit(fcport->loop_id,
2901 vha->hw->loop_id_map);
2902 fcport->loop_id = FC_NO_LOOP_ID;
2903 qla24xx_post_gnl_work(vha, fcport);
2906 case LSC_SCODE_NOXCB:
2907 vha->hw->exch_starvation++;
2908 if (vha->hw->exch_starvation > 5) {
2909 ql_log(ql_log_warn, vha, 0xd046,
2910 "Exchange starvation. Resetting RISC\n");
2911 vha->hw->exch_starvation = 0;
2912 set_bit(ISP_ABORT_NEEDED,
2914 qla2xxx_wake_dpc(vha);
2918 ql_dbg(ql_dbg_disc, vha, 0x20eb,
2919 "%s %8phC cmd error fw_status 0x%x 0x%x 0x%x\n",
2920 __func__, sp->fcport->port_name,
2921 fw_status[0], fw_status[1], fw_status[2]);
2923 fcport->flags &= ~FCF_ASYNC_SENT;
2924 qla2x00_set_fcport_disc_state(fcport,
2926 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2932 ql_dbg(ql_dbg_disc, vha, 0x20eb,
2933 "%s %8phC cmd error 2 fw_status 0x%x 0x%x 0x%x\n",
2934 __func__, sp->fcport->port_name,
2935 fw_status[0], fw_status[1], fw_status[2]);
2937 sp->fcport->flags &= ~FCF_ASYNC_SENT;
2938 qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_FAILED);
2939 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2943 e = qla2x00_alloc_work(vha, QLA_EVT_UNMAP);
2945 struct srb_iocb *elsio = &sp->u.iocb_cmd;
2947 qla2x00_els_dcmd2_free(vha, &elsio->u.els_plogi);
2952 qla2x00_post_work(vha, e);
2957 qla24xx_els_dcmd2_iocb(scsi_qla_host_t *vha, int els_opcode,
2958 fc_port_t *fcport, bool wait)
2961 struct srb_iocb *elsio = NULL;
2962 struct qla_hw_data *ha = vha->hw;
2963 int rval = QLA_SUCCESS;
2964 void *ptr, *resp_ptr;
2966 /* Alloc SRB structure */
2967 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
2969 ql_log(ql_log_info, vha, 0x70e6,
2970 "SRB allocation failed\n");
2971 fcport->flags &= ~FCF_ASYNC_ACTIVE;
2975 fcport->flags |= FCF_ASYNC_SENT;
2976 qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_PEND);
2977 elsio = &sp->u.iocb_cmd;
2978 ql_dbg(ql_dbg_io, vha, 0x3073,
2979 "Enter: PLOGI portid=%06x\n", fcport->d_id.b24);
2981 sp->type = SRB_ELS_DCMD;
2982 sp->name = "ELS_DCMD";
2983 sp->fcport = fcport;
2985 elsio->timeout = qla2x00_els_dcmd2_iocb_timeout;
2987 sp->flags = SRB_WAKEUP_ON_COMP;
2989 qla2x00_init_timer(sp, ELS_DCMD_TIMEOUT + 2);
2991 sp->done = qla2x00_els_dcmd2_sp_done;
2992 elsio->u.els_plogi.tx_size = elsio->u.els_plogi.rx_size = DMA_POOL_SIZE;
2994 ptr = elsio->u.els_plogi.els_plogi_pyld =
2995 dma_alloc_coherent(&ha->pdev->dev, elsio->u.els_plogi.tx_size,
2996 &elsio->u.els_plogi.els_plogi_pyld_dma, GFP_KERNEL);
2998 if (!elsio->u.els_plogi.els_plogi_pyld) {
2999 rval = QLA_FUNCTION_FAILED;
3003 resp_ptr = elsio->u.els_plogi.els_resp_pyld =
3004 dma_alloc_coherent(&ha->pdev->dev, elsio->u.els_plogi.rx_size,
3005 &elsio->u.els_plogi.els_resp_pyld_dma, GFP_KERNEL);
3007 if (!elsio->u.els_plogi.els_resp_pyld) {
3008 rval = QLA_FUNCTION_FAILED;
3012 ql_dbg(ql_dbg_io, vha, 0x3073, "PLOGI %p %p\n", ptr, resp_ptr);
3014 memset(ptr, 0, sizeof(struct els_plogi_payload));
3015 memset(resp_ptr, 0, sizeof(struct els_plogi_payload));
3016 memcpy(elsio->u.els_plogi.els_plogi_pyld->data,
3017 &ha->plogi_els_payld.fl_csp, LOGIN_TEMPLATE_SIZE);
3019 elsio->u.els_plogi.els_cmd = els_opcode;
3020 elsio->u.els_plogi.els_plogi_pyld->opcode = els_opcode;
3022 ql_dbg(ql_dbg_disc + ql_dbg_buffer, vha, 0x3073, "PLOGI buffer:\n");
3023 ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x0109,
3024 (uint8_t *)elsio->u.els_plogi.els_plogi_pyld,
3025 sizeof(*elsio->u.els_plogi.els_plogi_pyld));
3027 init_completion(&elsio->u.els_plogi.comp);
3028 rval = qla2x00_start_sp(sp);
3029 if (rval != QLA_SUCCESS) {
3030 rval = QLA_FUNCTION_FAILED;
3032 ql_dbg(ql_dbg_disc, vha, 0x3074,
3033 "%s PLOGI sent, hdl=%x, loopid=%x, to port_id %06x from port_id %06x\n",
3034 sp->name, sp->handle, fcport->loop_id,
3035 fcport->d_id.b24, vha->d_id.b24);
3039 wait_for_completion(&elsio->u.els_plogi.comp);
3041 if (elsio->u.els_plogi.comp_status != CS_COMPLETE)
3042 rval = QLA_FUNCTION_FAILED;
3048 fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
3049 qla2x00_els_dcmd2_free(vha, &elsio->u.els_plogi);
3056 qla24xx_els_iocb(srb_t *sp, struct els_entry_24xx *els_iocb)
3058 struct bsg_job *bsg_job = sp->u.bsg_job;
3059 struct fc_bsg_request *bsg_request = bsg_job->request;
3061 els_iocb->entry_type = ELS_IOCB_TYPE;
3062 els_iocb->entry_count = 1;
3063 els_iocb->sys_define = 0;
3064 els_iocb->entry_status = 0;
3065 els_iocb->handle = sp->handle;
3066 els_iocb->nport_handle = cpu_to_le16(sp->fcport->loop_id);
3067 els_iocb->tx_dsd_count = cpu_to_le16(bsg_job->request_payload.sg_cnt);
3068 els_iocb->vp_index = sp->vha->vp_idx;
3069 els_iocb->sof_type = EST_SOFI3;
3070 els_iocb->rx_dsd_count = cpu_to_le16(bsg_job->reply_payload.sg_cnt);
3073 sp->type == SRB_ELS_CMD_RPT ?
3074 bsg_request->rqst_data.r_els.els_code :
3075 bsg_request->rqst_data.h_els.command_code;
3076 els_iocb->d_id[0] = sp->fcport->d_id.b.al_pa;
3077 els_iocb->d_id[1] = sp->fcport->d_id.b.area;
3078 els_iocb->d_id[2] = sp->fcport->d_id.b.domain;
3079 els_iocb->control_flags = 0;
3080 els_iocb->rx_byte_count =
3081 cpu_to_le32(bsg_job->reply_payload.payload_len);
3082 els_iocb->tx_byte_count =
3083 cpu_to_le32(bsg_job->request_payload.payload_len);
3085 put_unaligned_le64(sg_dma_address(bsg_job->request_payload.sg_list),
3086 &els_iocb->tx_address);
3087 els_iocb->tx_len = cpu_to_le32(sg_dma_len
3088 (bsg_job->request_payload.sg_list));
3090 put_unaligned_le64(sg_dma_address(bsg_job->reply_payload.sg_list),
3091 &els_iocb->rx_address);
3092 els_iocb->rx_len = cpu_to_le32(sg_dma_len
3093 (bsg_job->reply_payload.sg_list));
3095 sp->vha->qla_stats.control_requests++;
3099 qla2x00_ct_iocb(srb_t *sp, ms_iocb_entry_t *ct_iocb)
3101 uint16_t avail_dsds;
3102 struct dsd64 *cur_dsd;
3103 struct scatterlist *sg;
3106 scsi_qla_host_t *vha = sp->vha;
3107 struct qla_hw_data *ha = vha->hw;
3108 struct bsg_job *bsg_job = sp->u.bsg_job;
3109 int entry_count = 1;
3111 memset(ct_iocb, 0, sizeof(ms_iocb_entry_t));
3112 ct_iocb->entry_type = CT_IOCB_TYPE;
3113 ct_iocb->entry_status = 0;
3114 ct_iocb->handle1 = sp->handle;
3115 SET_TARGET_ID(ha, ct_iocb->loop_id, sp->fcport->loop_id);
3116 ct_iocb->status = cpu_to_le16(0);
3117 ct_iocb->control_flags = cpu_to_le16(0);
3118 ct_iocb->timeout = 0;
3119 ct_iocb->cmd_dsd_count =
3120 cpu_to_le16(bsg_job->request_payload.sg_cnt);
3121 ct_iocb->total_dsd_count =
3122 cpu_to_le16(bsg_job->request_payload.sg_cnt + 1);
3123 ct_iocb->req_bytecount =
3124 cpu_to_le32(bsg_job->request_payload.payload_len);
3125 ct_iocb->rsp_bytecount =
3126 cpu_to_le32(bsg_job->reply_payload.payload_len);
3128 put_unaligned_le64(sg_dma_address(bsg_job->request_payload.sg_list),
3129 &ct_iocb->req_dsd.address);
3130 ct_iocb->req_dsd.length = ct_iocb->req_bytecount;
3132 put_unaligned_le64(sg_dma_address(bsg_job->reply_payload.sg_list),
3133 &ct_iocb->rsp_dsd.address);
3134 ct_iocb->rsp_dsd.length = ct_iocb->rsp_bytecount;
3137 cur_dsd = &ct_iocb->rsp_dsd;
3139 tot_dsds = bsg_job->reply_payload.sg_cnt;
3141 for_each_sg(bsg_job->reply_payload.sg_list, sg, tot_dsds, index) {
3142 cont_a64_entry_t *cont_pkt;
3144 /* Allocate additional continuation packets? */
3145 if (avail_dsds == 0) {
3147 * Five DSDs are available in the Cont.
3150 cont_pkt = qla2x00_prep_cont_type1_iocb(vha,
3151 vha->hw->req_q_map[0]);
3152 cur_dsd = cont_pkt->dsd;
3157 append_dsd64(&cur_dsd, sg);
3160 ct_iocb->entry_count = entry_count;
3162 sp->vha->qla_stats.control_requests++;
3166 qla24xx_ct_iocb(srb_t *sp, struct ct_entry_24xx *ct_iocb)
3168 uint16_t avail_dsds;
3169 struct dsd64 *cur_dsd;
3170 struct scatterlist *sg;
3172 uint16_t cmd_dsds, rsp_dsds;
3173 scsi_qla_host_t *vha = sp->vha;
3174 struct qla_hw_data *ha = vha->hw;
3175 struct bsg_job *bsg_job = sp->u.bsg_job;
3176 int entry_count = 1;
3177 cont_a64_entry_t *cont_pkt = NULL;
3179 ct_iocb->entry_type = CT_IOCB_TYPE;
3180 ct_iocb->entry_status = 0;
3181 ct_iocb->sys_define = 0;
3182 ct_iocb->handle = sp->handle;
3184 ct_iocb->nport_handle = cpu_to_le16(sp->fcport->loop_id);
3185 ct_iocb->vp_index = sp->vha->vp_idx;
3186 ct_iocb->comp_status = cpu_to_le16(0);
3188 cmd_dsds = bsg_job->request_payload.sg_cnt;
3189 rsp_dsds = bsg_job->reply_payload.sg_cnt;
3191 ct_iocb->cmd_dsd_count = cpu_to_le16(cmd_dsds);
3192 ct_iocb->timeout = 0;
3193 ct_iocb->rsp_dsd_count = cpu_to_le16(rsp_dsds);
3194 ct_iocb->cmd_byte_count =
3195 cpu_to_le32(bsg_job->request_payload.payload_len);
3198 cur_dsd = ct_iocb->dsd;
3201 for_each_sg(bsg_job->request_payload.sg_list, sg, cmd_dsds, index) {
3202 /* Allocate additional continuation packets? */
3203 if (avail_dsds == 0) {
3205 * Five DSDs are available in the Cont.
3208 cont_pkt = qla2x00_prep_cont_type1_iocb(
3209 vha, ha->req_q_map[0]);
3210 cur_dsd = cont_pkt->dsd;
3215 append_dsd64(&cur_dsd, sg);
3221 for_each_sg(bsg_job->reply_payload.sg_list, sg, rsp_dsds, index) {
3222 /* Allocate additional continuation packets? */
3223 if (avail_dsds == 0) {
3225 * Five DSDs are available in the Cont.
3228 cont_pkt = qla2x00_prep_cont_type1_iocb(vha,
3230 cur_dsd = cont_pkt->dsd;
3235 append_dsd64(&cur_dsd, sg);
3238 ct_iocb->entry_count = entry_count;
3242 * qla82xx_start_scsi() - Send a SCSI command to the ISP
3243 * @sp: command to send to the ISP
3245 * Returns non-zero if a failure occurred, else zero.
3248 qla82xx_start_scsi(srb_t *sp)
3251 unsigned long flags;
3252 struct scsi_cmnd *cmd;
3258 struct device_reg_82xx __iomem *reg;
3261 uint8_t additional_cdb_len;
3262 struct ct6_dsd *ctx;
3263 struct scsi_qla_host *vha = sp->vha;
3264 struct qla_hw_data *ha = vha->hw;
3265 struct req_que *req = NULL;
3266 struct rsp_que *rsp = NULL;
3268 /* Setup device pointers. */
3269 reg = &ha->iobase->isp82;
3270 cmd = GET_CMD_SP(sp);
3272 rsp = ha->rsp_q_map[0];
3274 /* So we know we haven't pci_map'ed anything yet */
3277 dbval = 0x04 | (ha->portnum << 5);
3279 /* Send marker if required */
3280 if (vha->marker_needed != 0) {
3281 if (qla2x00_marker(vha, ha->base_qpair,
3282 0, 0, MK_SYNC_ALL) != QLA_SUCCESS) {
3283 ql_log(ql_log_warn, vha, 0x300c,
3284 "qla2x00_marker failed for cmd=%p.\n", cmd);
3285 return QLA_FUNCTION_FAILED;
3287 vha->marker_needed = 0;
3290 /* Acquire ring specific lock */
3291 spin_lock_irqsave(&ha->hardware_lock, flags);
3293 handle = qla2xxx_get_next_handle(req);
3297 /* Map the sg table so we have an accurate count of sg entries needed */
3298 if (scsi_sg_count(cmd)) {
3299 nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
3300 scsi_sg_count(cmd), cmd->sc_data_direction);
3301 if (unlikely(!nseg))
3308 if (tot_dsds > ql2xshiftctondsd) {
3309 struct cmd_type_6 *cmd_pkt;
3310 uint16_t more_dsd_lists = 0;
3311 struct dsd_dma *dsd_ptr;
3314 more_dsd_lists = qla24xx_calc_dsd_lists(tot_dsds);
3315 if ((more_dsd_lists + ha->gbl_dsd_inuse) >= NUM_DSD_CHAIN) {
3316 ql_dbg(ql_dbg_io, vha, 0x300d,
3317 "Num of DSD list %d is than %d for cmd=%p.\n",
3318 more_dsd_lists + ha->gbl_dsd_inuse, NUM_DSD_CHAIN,
3323 if (more_dsd_lists <= ha->gbl_dsd_avail)
3324 goto sufficient_dsds;
3326 more_dsd_lists -= ha->gbl_dsd_avail;
3328 for (i = 0; i < more_dsd_lists; i++) {
3329 dsd_ptr = kzalloc(sizeof(struct dsd_dma), GFP_ATOMIC);
3331 ql_log(ql_log_fatal, vha, 0x300e,
3332 "Failed to allocate memory for dsd_dma "
3333 "for cmd=%p.\n", cmd);
3337 dsd_ptr->dsd_addr = dma_pool_alloc(ha->dl_dma_pool,
3338 GFP_ATOMIC, &dsd_ptr->dsd_list_dma);
3339 if (!dsd_ptr->dsd_addr) {
3341 ql_log(ql_log_fatal, vha, 0x300f,
3342 "Failed to allocate memory for dsd_addr "
3343 "for cmd=%p.\n", cmd);
3346 list_add_tail(&dsd_ptr->list, &ha->gbl_dsd_list);
3347 ha->gbl_dsd_avail++;
3353 if (req->cnt < (req_cnt + 2)) {
3354 cnt = (uint16_t)rd_reg_dword_relaxed(
3355 ®->req_q_out[0]);
3356 if (req->ring_index < cnt)
3357 req->cnt = cnt - req->ring_index;
3359 req->cnt = req->length -
3360 (req->ring_index - cnt);
3361 if (req->cnt < (req_cnt + 2))
3365 ctx = sp->u.scmd.ct6_ctx =
3366 mempool_alloc(ha->ctx_mempool, GFP_ATOMIC);
3368 ql_log(ql_log_fatal, vha, 0x3010,
3369 "Failed to allocate ctx for cmd=%p.\n", cmd);
3373 memset(ctx, 0, sizeof(struct ct6_dsd));
3374 ctx->fcp_cmnd = dma_pool_zalloc(ha->fcp_cmnd_dma_pool,
3375 GFP_ATOMIC, &ctx->fcp_cmnd_dma);
3376 if (!ctx->fcp_cmnd) {
3377 ql_log(ql_log_fatal, vha, 0x3011,
3378 "Failed to allocate fcp_cmnd for cmd=%p.\n", cmd);
3382 /* Initialize the DSD list and dma handle */
3383 INIT_LIST_HEAD(&ctx->dsd_list);
3384 ctx->dsd_use_cnt = 0;
3386 if (cmd->cmd_len > 16) {
3387 additional_cdb_len = cmd->cmd_len - 16;
3388 if ((cmd->cmd_len % 4) != 0) {
3389 /* SCSI command bigger than 16 bytes must be
3392 ql_log(ql_log_warn, vha, 0x3012,
3393 "scsi cmd len %d not multiple of 4 "
3394 "for cmd=%p.\n", cmd->cmd_len, cmd);
3395 goto queuing_error_fcp_cmnd;
3397 ctx->fcp_cmnd_len = 12 + cmd->cmd_len + 4;
3399 additional_cdb_len = 0;
3400 ctx->fcp_cmnd_len = 12 + 16 + 4;
3403 cmd_pkt = (struct cmd_type_6 *)req->ring_ptr;
3404 cmd_pkt->handle = make_handle(req->id, handle);
3406 /* Zero out remaining portion of packet. */
3407 /* tagged queuing modifier -- default is TSK_SIMPLE (0). */
3408 clr_ptr = (uint32_t *)cmd_pkt + 2;
3409 memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8);
3410 cmd_pkt->dseg_count = cpu_to_le16(tot_dsds);
3412 /* Set NPORT-ID and LUN number*/
3413 cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id);
3414 cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa;
3415 cmd_pkt->port_id[1] = sp->fcport->d_id.b.area;
3416 cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain;
3417 cmd_pkt->vp_index = sp->vha->vp_idx;
3419 /* Build IOCB segments */
3420 if (qla24xx_build_scsi_type_6_iocbs(sp, cmd_pkt, tot_dsds))
3421 goto queuing_error_fcp_cmnd;
3423 int_to_scsilun(cmd->device->lun, &cmd_pkt->lun);
3424 host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun));
3426 /* build FCP_CMND IU */
3427 int_to_scsilun(cmd->device->lun, &ctx->fcp_cmnd->lun);
3428 ctx->fcp_cmnd->additional_cdb_len = additional_cdb_len;
3430 if (cmd->sc_data_direction == DMA_TO_DEVICE)
3431 ctx->fcp_cmnd->additional_cdb_len |= 1;
3432 else if (cmd->sc_data_direction == DMA_FROM_DEVICE)
3433 ctx->fcp_cmnd->additional_cdb_len |= 2;
3435 /* Populate the FCP_PRIO. */
3436 if (ha->flags.fcp_prio_enabled)
3437 ctx->fcp_cmnd->task_attribute |=
3438 sp->fcport->fcp_prio << 3;
3440 memcpy(ctx->fcp_cmnd->cdb, cmd->cmnd, cmd->cmd_len);
3442 fcp_dl = (__be32 *)(ctx->fcp_cmnd->cdb + 16 +
3443 additional_cdb_len);
3444 *fcp_dl = htonl((uint32_t)scsi_bufflen(cmd));
3446 cmd_pkt->fcp_cmnd_dseg_len = cpu_to_le16(ctx->fcp_cmnd_len);
3447 put_unaligned_le64(ctx->fcp_cmnd_dma,
3448 &cmd_pkt->fcp_cmnd_dseg_address);
3450 sp->flags |= SRB_FCP_CMND_DMA_VALID;
3451 cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd));
3452 /* Set total data segment count. */
3453 cmd_pkt->entry_count = (uint8_t)req_cnt;
3454 /* Specify response queue number where
3455 * completion should happen
3457 cmd_pkt->entry_status = (uint8_t) rsp->id;
3459 struct cmd_type_7 *cmd_pkt;
3461 req_cnt = qla24xx_calc_iocbs(vha, tot_dsds);
3462 if (req->cnt < (req_cnt + 2)) {
3463 cnt = (uint16_t)rd_reg_dword_relaxed(
3464 ®->req_q_out[0]);
3465 if (req->ring_index < cnt)
3466 req->cnt = cnt - req->ring_index;
3468 req->cnt = req->length -
3469 (req->ring_index - cnt);
3471 if (req->cnt < (req_cnt + 2))
3474 cmd_pkt = (struct cmd_type_7 *)req->ring_ptr;
3475 cmd_pkt->handle = make_handle(req->id, handle);
3477 /* Zero out remaining portion of packet. */
3478 /* tagged queuing modifier -- default is TSK_SIMPLE (0).*/
3479 clr_ptr = (uint32_t *)cmd_pkt + 2;
3480 memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8);
3481 cmd_pkt->dseg_count = cpu_to_le16(tot_dsds);
3483 /* Set NPORT-ID and LUN number*/
3484 cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id);
3485 cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa;
3486 cmd_pkt->port_id[1] = sp->fcport->d_id.b.area;
3487 cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain;
3488 cmd_pkt->vp_index = sp->vha->vp_idx;
3490 int_to_scsilun(cmd->device->lun, &cmd_pkt->lun);
3491 host_to_fcp_swap((uint8_t *)&cmd_pkt->lun,
3492 sizeof(cmd_pkt->lun));
3494 /* Populate the FCP_PRIO. */
3495 if (ha->flags.fcp_prio_enabled)
3496 cmd_pkt->task |= sp->fcport->fcp_prio << 3;
3498 /* Load SCSI command packet. */
3499 memcpy(cmd_pkt->fcp_cdb, cmd->cmnd, cmd->cmd_len);
3500 host_to_fcp_swap(cmd_pkt->fcp_cdb, sizeof(cmd_pkt->fcp_cdb));
3502 cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd));
3504 /* Build IOCB segments */
3505 qla24xx_build_scsi_iocbs(sp, cmd_pkt, tot_dsds, req);
3507 /* Set total data segment count. */
3508 cmd_pkt->entry_count = (uint8_t)req_cnt;
3509 /* Specify response queue number where
3510 * completion should happen.
3512 cmd_pkt->entry_status = (uint8_t) rsp->id;
3515 /* Build command packet. */
3516 req->current_outstanding_cmd = handle;
3517 req->outstanding_cmds[handle] = sp;
3518 sp->handle = handle;
3519 cmd->host_scribble = (unsigned char *)(unsigned long)handle;
3520 req->cnt -= req_cnt;
3523 /* Adjust ring index. */
3525 if (req->ring_index == req->length) {
3526 req->ring_index = 0;
3527 req->ring_ptr = req->ring;
3531 sp->flags |= SRB_DMA_VALID;
3533 /* Set chip new ring index. */
3534 /* write, read and verify logic */
3535 dbval = dbval | (req->id << 8) | (req->ring_index << 16);
3537 qla82xx_wr_32(ha, (uintptr_t __force)ha->nxdb_wr_ptr, dbval);
3539 wrt_reg_dword(ha->nxdb_wr_ptr, dbval);
3541 while (rd_reg_dword(ha->nxdb_rd_ptr) != dbval) {
3542 wrt_reg_dword(ha->nxdb_wr_ptr, dbval);
3547 /* Manage unprocessed RIO/ZIO commands in response queue. */
3548 if (vha->flags.process_response_queue &&
3549 rsp->ring_ptr->signature != RESPONSE_PROCESSED)
3550 qla24xx_process_response_queue(vha, rsp);
3552 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3555 queuing_error_fcp_cmnd:
3556 dma_pool_free(ha->fcp_cmnd_dma_pool, ctx->fcp_cmnd, ctx->fcp_cmnd_dma);
3559 scsi_dma_unmap(cmd);
3561 if (sp->u.scmd.crc_ctx) {
3562 mempool_free(sp->u.scmd.crc_ctx, ha->ctx_mempool);
3563 sp->u.scmd.crc_ctx = NULL;
3565 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3567 return QLA_FUNCTION_FAILED;
3571 qla24xx_abort_iocb(srb_t *sp, struct abort_entry_24xx *abt_iocb)
3573 struct srb_iocb *aio = &sp->u.iocb_cmd;
3574 scsi_qla_host_t *vha = sp->vha;
3575 struct req_que *req = sp->qpair->req;
3576 srb_t *orig_sp = sp->cmd_sp;
3578 memset(abt_iocb, 0, sizeof(struct abort_entry_24xx));
3579 abt_iocb->entry_type = ABORT_IOCB_TYPE;
3580 abt_iocb->entry_count = 1;
3581 abt_iocb->handle = make_handle(req->id, sp->handle);
3583 abt_iocb->nport_handle = cpu_to_le16(sp->fcport->loop_id);
3584 abt_iocb->port_id[0] = sp->fcport->d_id.b.al_pa;
3585 abt_iocb->port_id[1] = sp->fcport->d_id.b.area;
3586 abt_iocb->port_id[2] = sp->fcport->d_id.b.domain;
3588 abt_iocb->handle_to_abort =
3589 make_handle(le16_to_cpu(aio->u.abt.req_que_no),
3590 aio->u.abt.cmd_hndl);
3591 abt_iocb->vp_index = vha->vp_idx;
3592 abt_iocb->req_que_no = aio->u.abt.req_que_no;
3594 /* need to pass original sp */
3596 qla_nvme_abort_set_option(abt_iocb, orig_sp);
3598 /* Send the command to the firmware */
3603 qla2x00_mb_iocb(srb_t *sp, struct mbx_24xx_entry *mbx)
3607 mbx->entry_type = MBX_IOCB_TYPE;
3608 mbx->handle = sp->handle;
3609 sz = min(ARRAY_SIZE(mbx->mb), ARRAY_SIZE(sp->u.iocb_cmd.u.mbx.out_mb));
3611 for (i = 0; i < sz; i++)
3612 mbx->mb[i] = sp->u.iocb_cmd.u.mbx.out_mb[i];
3616 qla2x00_ctpthru_cmd_iocb(srb_t *sp, struct ct_entry_24xx *ct_pkt)
3618 sp->u.iocb_cmd.u.ctarg.iocb = ct_pkt;
3619 qla24xx_prep_ms_iocb(sp->vha, &sp->u.iocb_cmd.u.ctarg);
3620 ct_pkt->handle = sp->handle;
3623 static void qla2x00_send_notify_ack_iocb(srb_t *sp,
3624 struct nack_to_isp *nack)
3626 struct imm_ntfy_from_isp *ntfy = sp->u.iocb_cmd.u.nack.ntfy;
3628 nack->entry_type = NOTIFY_ACK_TYPE;
3629 nack->entry_count = 1;
3630 nack->ox_id = ntfy->ox_id;
3632 nack->u.isp24.handle = sp->handle;
3633 nack->u.isp24.nport_handle = ntfy->u.isp24.nport_handle;
3634 if (le16_to_cpu(ntfy->u.isp24.status) == IMM_NTFY_ELS) {
3635 nack->u.isp24.flags = ntfy->u.isp24.flags &
3636 cpu_to_le16(NOTIFY24XX_FLAGS_PUREX_IOCB);
3638 nack->u.isp24.srr_rx_id = ntfy->u.isp24.srr_rx_id;
3639 nack->u.isp24.status = ntfy->u.isp24.status;
3640 nack->u.isp24.status_subcode = ntfy->u.isp24.status_subcode;
3641 nack->u.isp24.fw_handle = ntfy->u.isp24.fw_handle;
3642 nack->u.isp24.exchange_address = ntfy->u.isp24.exchange_address;
3643 nack->u.isp24.srr_rel_offs = ntfy->u.isp24.srr_rel_offs;
3644 nack->u.isp24.srr_ui = ntfy->u.isp24.srr_ui;
3645 nack->u.isp24.srr_flags = 0;
3646 nack->u.isp24.srr_reject_code = 0;
3647 nack->u.isp24.srr_reject_code_expl = 0;
3648 nack->u.isp24.vp_index = ntfy->u.isp24.vp_index;
3652 * Build NVME LS request
3655 qla_nvme_ls(srb_t *sp, struct pt_ls4_request *cmd_pkt)
3657 struct srb_iocb *nvme;
3659 nvme = &sp->u.iocb_cmd;
3660 cmd_pkt->entry_type = PT_LS4_REQUEST;
3661 cmd_pkt->entry_count = 1;
3662 cmd_pkt->control_flags = cpu_to_le16(CF_LS4_ORIGINATOR << CF_LS4_SHIFT);
3664 cmd_pkt->timeout = cpu_to_le16(nvme->u.nvme.timeout_sec);
3665 cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id);
3666 cmd_pkt->vp_index = sp->fcport->vha->vp_idx;
3668 cmd_pkt->tx_dseg_count = cpu_to_le16(1);
3669 cmd_pkt->tx_byte_count = cpu_to_le32(nvme->u.nvme.cmd_len);
3670 cmd_pkt->dsd[0].length = cpu_to_le32(nvme->u.nvme.cmd_len);
3671 put_unaligned_le64(nvme->u.nvme.cmd_dma, &cmd_pkt->dsd[0].address);
3673 cmd_pkt->rx_dseg_count = cpu_to_le16(1);
3674 cmd_pkt->rx_byte_count = cpu_to_le32(nvme->u.nvme.rsp_len);
3675 cmd_pkt->dsd[1].length = cpu_to_le32(nvme->u.nvme.rsp_len);
3676 put_unaligned_le64(nvme->u.nvme.rsp_dma, &cmd_pkt->dsd[1].address);
3680 qla25xx_ctrlvp_iocb(srb_t *sp, struct vp_ctrl_entry_24xx *vce)
3684 vce->entry_type = VP_CTRL_IOCB_TYPE;
3685 vce->handle = sp->handle;
3686 vce->entry_count = 1;
3687 vce->command = cpu_to_le16(sp->u.iocb_cmd.u.ctrlvp.cmd);
3688 vce->vp_count = cpu_to_le16(1);
3691 * index map in firmware starts with 1; decrement index
3692 * this is ok as we never use index 0
3694 map = (sp->u.iocb_cmd.u.ctrlvp.vp_index - 1) / 8;
3695 pos = (sp->u.iocb_cmd.u.ctrlvp.vp_index - 1) & 7;
3696 vce->vp_idx_map[map] |= 1 << pos;
3700 qla24xx_prlo_iocb(srb_t *sp, struct logio_entry_24xx *logio)
3702 logio->entry_type = LOGINOUT_PORT_IOCB_TYPE;
3703 logio->control_flags =
3704 cpu_to_le16(LCF_COMMAND_PRLO|LCF_IMPL_PRLO);
3706 logio->nport_handle = cpu_to_le16(sp->fcport->loop_id);
3707 logio->port_id[0] = sp->fcport->d_id.b.al_pa;
3708 logio->port_id[1] = sp->fcport->d_id.b.area;
3709 logio->port_id[2] = sp->fcport->d_id.b.domain;
3710 logio->vp_index = sp->fcport->vha->vp_idx;
3714 qla2x00_start_sp(srb_t *sp)
3716 int rval = QLA_SUCCESS;
3717 scsi_qla_host_t *vha = sp->vha;
3718 struct qla_hw_data *ha = vha->hw;
3719 struct qla_qpair *qp = sp->qpair;
3721 unsigned long flags;
3723 spin_lock_irqsave(qp->qp_lock_ptr, flags);
3724 pkt = __qla2x00_alloc_iocbs(sp->qpair, sp);
3727 ql_log(ql_log_warn, vha, 0x700c,
3728 "qla2x00_alloc_iocbs failed.\n");
3734 IS_FWI2_CAPABLE(ha) ?
3735 qla24xx_login_iocb(sp, pkt) :
3736 qla2x00_login_iocb(sp, pkt);
3739 qla24xx_prli_iocb(sp, pkt);
3741 case SRB_LOGOUT_CMD:
3742 IS_FWI2_CAPABLE(ha) ?
3743 qla24xx_logout_iocb(sp, pkt) :
3744 qla2x00_logout_iocb(sp, pkt);
3746 case SRB_ELS_CMD_RPT:
3747 case SRB_ELS_CMD_HST:
3748 qla24xx_els_iocb(sp, pkt);
3751 IS_FWI2_CAPABLE(ha) ?
3752 qla24xx_ct_iocb(sp, pkt) :
3753 qla2x00_ct_iocb(sp, pkt);
3756 IS_FWI2_CAPABLE(ha) ?
3757 qla24xx_adisc_iocb(sp, pkt) :
3758 qla2x00_adisc_iocb(sp, pkt);
3762 qlafx00_tm_iocb(sp, pkt) :
3763 qla24xx_tm_iocb(sp, pkt);
3765 case SRB_FXIOCB_DCMD:
3766 case SRB_FXIOCB_BCMD:
3767 qlafx00_fxdisc_iocb(sp, pkt);
3770 qla_nvme_ls(sp, pkt);
3774 qlafx00_abort_iocb(sp, pkt) :
3775 qla24xx_abort_iocb(sp, pkt);
3778 qla24xx_els_logo_iocb(sp, pkt);
3780 case SRB_CT_PTHRU_CMD:
3781 qla2x00_ctpthru_cmd_iocb(sp, pkt);
3784 qla2x00_mb_iocb(sp, pkt);
3786 case SRB_NACK_PLOGI:
3789 qla2x00_send_notify_ack_iocb(sp, pkt);
3792 qla25xx_ctrlvp_iocb(sp, pkt);
3795 qla24xx_prlo_iocb(sp, pkt);
3801 if (sp->start_timer)
3802 add_timer(&sp->u.iocb_cmd.timer);
3805 qla2x00_start_iocbs(vha, qp->req);
3807 spin_unlock_irqrestore(qp->qp_lock_ptr, flags);
3812 qla25xx_build_bidir_iocb(srb_t *sp, struct scsi_qla_host *vha,
3813 struct cmd_bidir *cmd_pkt, uint32_t tot_dsds)
3815 uint16_t avail_dsds;
3816 struct dsd64 *cur_dsd;
3817 uint32_t req_data_len = 0;
3818 uint32_t rsp_data_len = 0;
3819 struct scatterlist *sg;
3821 int entry_count = 1;
3822 struct bsg_job *bsg_job = sp->u.bsg_job;
3824 /*Update entry type to indicate bidir command */
3825 put_unaligned_le32(COMMAND_BIDIRECTIONAL, &cmd_pkt->entry_type);
3827 /* Set the transfer direction, in this set both flags
3828 * Also set the BD_WRAP_BACK flag, firmware will take care
3829 * assigning DID=SID for outgoing pkts.
3831 cmd_pkt->wr_dseg_count = cpu_to_le16(bsg_job->request_payload.sg_cnt);
3832 cmd_pkt->rd_dseg_count = cpu_to_le16(bsg_job->reply_payload.sg_cnt);
3833 cmd_pkt->control_flags = cpu_to_le16(BD_WRITE_DATA | BD_READ_DATA |
3836 req_data_len = rsp_data_len = bsg_job->request_payload.payload_len;
3837 cmd_pkt->wr_byte_count = cpu_to_le32(req_data_len);
3838 cmd_pkt->rd_byte_count = cpu_to_le32(rsp_data_len);
3839 cmd_pkt->timeout = cpu_to_le16(qla2x00_get_async_timeout(vha) + 2);
3841 vha->bidi_stats.transfer_bytes += req_data_len;
3842 vha->bidi_stats.io_count++;
3844 vha->qla_stats.output_bytes += req_data_len;
3845 vha->qla_stats.output_requests++;
3847 /* Only one dsd is available for bidirectional IOCB, remaining dsds
3848 * are bundled in continuation iocb
3851 cur_dsd = &cmd_pkt->fcp_dsd;
3855 for_each_sg(bsg_job->request_payload.sg_list, sg,
3856 bsg_job->request_payload.sg_cnt, index) {
3857 cont_a64_entry_t *cont_pkt;
3859 /* Allocate additional continuation packets */
3860 if (avail_dsds == 0) {
3861 /* Continuation type 1 IOCB can accomodate
3864 cont_pkt = qla2x00_prep_cont_type1_iocb(vha, vha->req);
3865 cur_dsd = cont_pkt->dsd;
3869 append_dsd64(&cur_dsd, sg);
3872 /* For read request DSD will always goes to continuation IOCB
3873 * and follow the write DSD. If there is room on the current IOCB
3874 * then it is added to that IOCB else new continuation IOCB is
3877 for_each_sg(bsg_job->reply_payload.sg_list, sg,
3878 bsg_job->reply_payload.sg_cnt, index) {
3879 cont_a64_entry_t *cont_pkt;
3881 /* Allocate additional continuation packets */
3882 if (avail_dsds == 0) {
3883 /* Continuation type 1 IOCB can accomodate
3886 cont_pkt = qla2x00_prep_cont_type1_iocb(vha, vha->req);
3887 cur_dsd = cont_pkt->dsd;
3891 append_dsd64(&cur_dsd, sg);
3894 /* This value should be same as number of IOCB required for this cmd */
3895 cmd_pkt->entry_count = entry_count;
3899 qla2x00_start_bidir(srb_t *sp, struct scsi_qla_host *vha, uint32_t tot_dsds)
3902 struct qla_hw_data *ha = vha->hw;
3903 unsigned long flags;
3908 struct cmd_bidir *cmd_pkt = NULL;
3909 struct rsp_que *rsp;
3910 struct req_que *req;
3911 int rval = EXT_STATUS_OK;
3915 rsp = ha->rsp_q_map[0];
3918 /* Send marker if required */
3919 if (vha->marker_needed != 0) {
3920 if (qla2x00_marker(vha, ha->base_qpair,
3921 0, 0, MK_SYNC_ALL) != QLA_SUCCESS)
3922 return EXT_STATUS_MAILBOX;
3923 vha->marker_needed = 0;
3926 /* Acquire ring specific lock */
3927 spin_lock_irqsave(&ha->hardware_lock, flags);
3929 handle = qla2xxx_get_next_handle(req);
3931 rval = EXT_STATUS_BUSY;
3935 /* Calculate number of IOCB required */
3936 req_cnt = qla24xx_calc_iocbs(vha, tot_dsds);
3938 /* Check for room on request queue. */
3939 if (req->cnt < req_cnt + 2) {
3940 cnt = IS_SHADOW_REG_CAPABLE(ha) ? *req->out_ptr :
3941 rd_reg_dword_relaxed(req->req_q_out);
3942 if (req->ring_index < cnt)
3943 req->cnt = cnt - req->ring_index;
3945 req->cnt = req->length -
3946 (req->ring_index - cnt);
3948 if (req->cnt < req_cnt + 2) {
3949 rval = EXT_STATUS_BUSY;
3953 cmd_pkt = (struct cmd_bidir *)req->ring_ptr;
3954 cmd_pkt->handle = make_handle(req->id, handle);
3956 /* Zero out remaining portion of packet. */
3957 /* tagged queuing modifier -- default is TSK_SIMPLE (0).*/
3958 clr_ptr = (uint32_t *)cmd_pkt + 2;
3959 memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8);
3961 /* Set NPORT-ID (of vha)*/
3962 cmd_pkt->nport_handle = cpu_to_le16(vha->self_login_loop_id);
3963 cmd_pkt->port_id[0] = vha->d_id.b.al_pa;
3964 cmd_pkt->port_id[1] = vha->d_id.b.area;
3965 cmd_pkt->port_id[2] = vha->d_id.b.domain;
3967 qla25xx_build_bidir_iocb(sp, vha, cmd_pkt, tot_dsds);
3968 cmd_pkt->entry_status = (uint8_t) rsp->id;
3969 /* Build command packet. */
3970 req->current_outstanding_cmd = handle;
3971 req->outstanding_cmds[handle] = sp;
3972 sp->handle = handle;
3973 req->cnt -= req_cnt;
3975 /* Send the command to the firmware */
3977 qla2x00_start_iocbs(vha, req);
3979 spin_unlock_irqrestore(&ha->hardware_lock, flags);