1
2
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5
6
7#include "qla_def.h"
8#include "qla_target.h"
9
10#include <linux/blkdev.h>
11#include <linux/delay.h>
12
13#include <scsi/scsi_tcq.h>
14
15
16
17
18
19
20
21static inline uint16_t
22qla2x00_get_cmd_direction(srb_t *sp)
23{
24 uint16_t cflags;
25 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
26 struct scsi_qla_host *vha = sp->vha;
27
28 cflags = 0;
29
30
31 if (cmd->sc_data_direction == DMA_TO_DEVICE) {
32 cflags = CF_WRITE;
33 vha->qla_stats.output_bytes += scsi_bufflen(cmd);
34 vha->qla_stats.output_requests++;
35 } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
36 cflags = CF_READ;
37 vha->qla_stats.input_bytes += scsi_bufflen(cmd);
38 vha->qla_stats.input_requests++;
39 }
40 return (cflags);
41}
42
43
44
45
46
47
48
49
50
51uint16_t
52qla2x00_calc_iocbs_32(uint16_t dsds)
53{
54 uint16_t iocbs;
55
56 iocbs = 1;
57 if (dsds > 3) {
58 iocbs += (dsds - 3) / 7;
59 if ((dsds - 3) % 7)
60 iocbs++;
61 }
62 return (iocbs);
63}
64
65
66
67
68
69
70
71
72
73uint16_t
74qla2x00_calc_iocbs_64(uint16_t dsds)
75{
76 uint16_t iocbs;
77
78 iocbs = 1;
79 if (dsds > 2) {
80 iocbs += (dsds - 2) / 5;
81 if ((dsds - 2) % 5)
82 iocbs++;
83 }
84 return (iocbs);
85}
86
87
88
89
90
91
92
93static inline cont_entry_t *
94qla2x00_prep_cont_type0_iocb(struct scsi_qla_host *vha)
95{
96 cont_entry_t *cont_pkt;
97 struct req_que *req = vha->req;
98
99 req->ring_index++;
100 if (req->ring_index == req->length) {
101 req->ring_index = 0;
102 req->ring_ptr = req->ring;
103 } else {
104 req->ring_ptr++;
105 }
106
107 cont_pkt = (cont_entry_t *)req->ring_ptr;
108
109
110 *((uint32_t *)(&cont_pkt->entry_type)) = cpu_to_le32(CONTINUE_TYPE);
111
112 return (cont_pkt);
113}
114
115
116
117
118
119
120
121static inline cont_a64_entry_t *
122qla2x00_prep_cont_type1_iocb(scsi_qla_host_t *vha, struct req_que *req)
123{
124 cont_a64_entry_t *cont_pkt;
125
126
127 req->ring_index++;
128 if (req->ring_index == req->length) {
129 req->ring_index = 0;
130 req->ring_ptr = req->ring;
131 } else {
132 req->ring_ptr++;
133 }
134
135 cont_pkt = (cont_a64_entry_t *)req->ring_ptr;
136
137
138 *((uint32_t *)(&cont_pkt->entry_type)) = IS_QLAFX00(vha->hw) ?
139 cpu_to_le32(CONTINUE_A64_TYPE_FX00) :
140 cpu_to_le32(CONTINUE_A64_TYPE);
141
142 return (cont_pkt);
143}
144
145inline int
146qla24xx_configure_prot_mode(srb_t *sp, uint16_t *fw_prot_opts)
147{
148 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
149 uint8_t guard = scsi_host_get_guard(cmd->device->host);
150
151
152 *fw_prot_opts = 0;
153
154
155 switch (scsi_get_prot_op(cmd)) {
156 case SCSI_PROT_READ_STRIP:
157 *fw_prot_opts |= PO_MODE_DIF_REMOVE;
158 break;
159 case SCSI_PROT_WRITE_INSERT:
160 *fw_prot_opts |= PO_MODE_DIF_INSERT;
161 break;
162 case SCSI_PROT_READ_INSERT:
163 *fw_prot_opts |= PO_MODE_DIF_INSERT;
164 break;
165 case SCSI_PROT_WRITE_STRIP:
166 *fw_prot_opts |= PO_MODE_DIF_REMOVE;
167 break;
168 case SCSI_PROT_READ_PASS:
169 case SCSI_PROT_WRITE_PASS:
170 if (guard & SHOST_DIX_GUARD_IP)
171 *fw_prot_opts |= PO_MODE_DIF_TCP_CKSUM;
172 else
173 *fw_prot_opts |= PO_MODE_DIF_PASS;
174 break;
175 default:
176 *fw_prot_opts |= PO_MODE_DIF_PASS;
177 break;
178 }
179
180 return scsi_prot_sg_count(cmd);
181}
182
183
184
185
186
187
188
189
190
191void qla2x00_build_scsi_iocbs_32(srb_t *sp, cmd_entry_t *cmd_pkt,
192 uint16_t tot_dsds)
193{
194 uint16_t avail_dsds;
195 uint32_t *cur_dsd;
196 scsi_qla_host_t *vha;
197 struct scsi_cmnd *cmd;
198 struct scatterlist *sg;
199 int i;
200
201 cmd = GET_CMD_SP(sp);
202
203
204 *((uint32_t *)(&cmd_pkt->entry_type)) =
205 cpu_to_le32(COMMAND_TYPE);
206
207
208 if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) {
209 cmd_pkt->byte_count = cpu_to_le32(0);
210 return;
211 }
212
213 vha = sp->vha;
214 cmd_pkt->control_flags |= cpu_to_le16(qla2x00_get_cmd_direction(sp));
215
216
217 avail_dsds = 3;
218 cur_dsd = (uint32_t *)&cmd_pkt->dseg_0_address;
219
220
221 scsi_for_each_sg(cmd, sg, tot_dsds, i) {
222 cont_entry_t *cont_pkt;
223
224
225 if (avail_dsds == 0) {
226
227
228
229
230 cont_pkt = qla2x00_prep_cont_type0_iocb(vha);
231 cur_dsd = (uint32_t *)&cont_pkt->dseg_0_address;
232 avail_dsds = 7;
233 }
234
235 *cur_dsd++ = cpu_to_le32(sg_dma_address(sg));
236 *cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
237 avail_dsds--;
238 }
239}
240
241
242
243
244
245
246
247
248
249void qla2x00_build_scsi_iocbs_64(srb_t *sp, cmd_entry_t *cmd_pkt,
250 uint16_t tot_dsds)
251{
252 uint16_t avail_dsds;
253 uint32_t *cur_dsd;
254 scsi_qla_host_t *vha;
255 struct scsi_cmnd *cmd;
256 struct scatterlist *sg;
257 int i;
258
259 cmd = GET_CMD_SP(sp);
260
261
262 *((uint32_t *)(&cmd_pkt->entry_type)) = cpu_to_le32(COMMAND_A64_TYPE);
263
264
265 if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) {
266 cmd_pkt->byte_count = cpu_to_le32(0);
267 return;
268 }
269
270 vha = sp->vha;
271 cmd_pkt->control_flags |= cpu_to_le16(qla2x00_get_cmd_direction(sp));
272
273
274 avail_dsds = 2;
275 cur_dsd = (uint32_t *)&cmd_pkt->dseg_0_address;
276
277
278 scsi_for_each_sg(cmd, sg, tot_dsds, i) {
279 dma_addr_t sle_dma;
280 cont_a64_entry_t *cont_pkt;
281
282
283 if (avail_dsds == 0) {
284
285
286
287
288 cont_pkt = qla2x00_prep_cont_type1_iocb(vha, vha->req);
289 cur_dsd = (uint32_t *)cont_pkt->dseg_0_address;
290 avail_dsds = 5;
291 }
292
293 sle_dma = sg_dma_address(sg);
294 *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
295 *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
296 *cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
297 avail_dsds--;
298 }
299}
300
301
302
303
304
305
306
307int
308qla2x00_start_scsi(srb_t *sp)
309{
310 int nseg;
311 unsigned long flags;
312 scsi_qla_host_t *vha;
313 struct scsi_cmnd *cmd;
314 uint32_t *clr_ptr;
315 uint32_t index;
316 uint32_t handle;
317 cmd_entry_t *cmd_pkt;
318 uint16_t cnt;
319 uint16_t req_cnt;
320 uint16_t tot_dsds;
321 struct device_reg_2xxx __iomem *reg;
322 struct qla_hw_data *ha;
323 struct req_que *req;
324 struct rsp_que *rsp;
325
326
327 vha = sp->vha;
328 ha = vha->hw;
329 reg = &ha->iobase->isp;
330 cmd = GET_CMD_SP(sp);
331 req = ha->req_q_map[0];
332 rsp = ha->rsp_q_map[0];
333
334 tot_dsds = 0;
335
336
337 if (vha->marker_needed != 0) {
338 if (qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL) !=
339 QLA_SUCCESS) {
340 return (QLA_FUNCTION_FAILED);
341 }
342 vha->marker_needed = 0;
343 }
344
345
346 spin_lock_irqsave(&ha->hardware_lock, flags);
347
348
349 handle = req->current_outstanding_cmd;
350 for (index = 1; index < req->num_outstanding_cmds; index++) {
351 handle++;
352 if (handle == req->num_outstanding_cmds)
353 handle = 1;
354 if (!req->outstanding_cmds[handle])
355 break;
356 }
357 if (index == req->num_outstanding_cmds)
358 goto queuing_error;
359
360
361 if (scsi_sg_count(cmd)) {
362 nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
363 scsi_sg_count(cmd), cmd->sc_data_direction);
364 if (unlikely(!nseg))
365 goto queuing_error;
366 } else
367 nseg = 0;
368
369 tot_dsds = nseg;
370
371
372 req_cnt = ha->isp_ops->calc_req_entries(tot_dsds);
373 if (req->cnt < (req_cnt + 2)) {
374 cnt = RD_REG_WORD_RELAXED(ISP_REQ_Q_OUT(ha, reg));
375 if (req->ring_index < cnt)
376 req->cnt = cnt - req->ring_index;
377 else
378 req->cnt = req->length -
379 (req->ring_index - cnt);
380
381 if (req->cnt < (req_cnt + 2))
382 goto queuing_error;
383 }
384
385
386 req->current_outstanding_cmd = handle;
387 req->outstanding_cmds[handle] = sp;
388 sp->handle = handle;
389 cmd->host_scribble = (unsigned char *)(unsigned long)handle;
390 req->cnt -= req_cnt;
391
392 cmd_pkt = (cmd_entry_t *)req->ring_ptr;
393 cmd_pkt->handle = handle;
394
395 clr_ptr = (uint32_t *)cmd_pkt + 2;
396 memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8);
397 cmd_pkt->dseg_count = cpu_to_le16(tot_dsds);
398
399
400 SET_TARGET_ID(ha, cmd_pkt->target, sp->fcport->loop_id);
401 cmd_pkt->lun = cpu_to_le16(cmd->device->lun);
402 cmd_pkt->control_flags = cpu_to_le16(CF_SIMPLE_TAG);
403
404
405 memcpy(cmd_pkt->scsi_cdb, cmd->cmnd, cmd->cmd_len);
406 cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd));
407
408
409 ha->isp_ops->build_iocbs(sp, cmd_pkt, tot_dsds);
410
411
412 cmd_pkt->entry_count = (uint8_t)req_cnt;
413 wmb();
414
415
416 req->ring_index++;
417 if (req->ring_index == req->length) {
418 req->ring_index = 0;
419 req->ring_ptr = req->ring;
420 } else
421 req->ring_ptr++;
422
423 sp->flags |= SRB_DMA_VALID;
424
425
426 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), req->ring_index);
427 RD_REG_WORD_RELAXED(ISP_REQ_Q_IN(ha, reg));
428
429
430 if (vha->flags.process_response_queue &&
431 rsp->ring_ptr->signature != RESPONSE_PROCESSED)
432 qla2x00_process_response_queue(rsp);
433
434 spin_unlock_irqrestore(&ha->hardware_lock, flags);
435 return (QLA_SUCCESS);
436
437queuing_error:
438 if (tot_dsds)
439 scsi_dma_unmap(cmd);
440
441 spin_unlock_irqrestore(&ha->hardware_lock, flags);
442
443 return (QLA_FUNCTION_FAILED);
444}
445
446
447
448
449void
450qla2x00_start_iocbs(struct scsi_qla_host *vha, struct req_que *req)
451{
452 struct qla_hw_data *ha = vha->hw;
453 device_reg_t *reg = ISP_QUE_REG(ha, req->id);
454
455 if (IS_P3P_TYPE(ha)) {
456 qla82xx_start_iocbs(vha);
457 } else {
458
459 req->ring_index++;
460 if (req->ring_index == req->length) {
461 req->ring_index = 0;
462 req->ring_ptr = req->ring;
463 } else
464 req->ring_ptr++;
465
466
467 if (ha->mqenable || IS_QLA27XX(ha)) {
468 WRT_REG_DWORD(req->req_q_in, req->ring_index);
469 } else if (IS_QLA83XX(ha)) {
470 WRT_REG_DWORD(req->req_q_in, req->ring_index);
471 RD_REG_DWORD_RELAXED(&ha->iobase->isp24.hccr);
472 } else if (IS_QLAFX00(ha)) {
473 WRT_REG_DWORD(®->ispfx00.req_q_in, req->ring_index);
474 RD_REG_DWORD_RELAXED(®->ispfx00.req_q_in);
475 QLAFX00_SET_HST_INTR(ha, ha->rqstq_intr_code);
476 } else if (IS_FWI2_CAPABLE(ha)) {
477 WRT_REG_DWORD(®->isp24.req_q_in, req->ring_index);
478 RD_REG_DWORD_RELAXED(®->isp24.req_q_in);
479 } else {
480 WRT_REG_WORD(ISP_REQ_Q_IN(ha, ®->isp),
481 req->ring_index);
482 RD_REG_WORD_RELAXED(ISP_REQ_Q_IN(ha, ®->isp));
483 }
484 }
485}
486
487
488
489
490
491
492
493
494
495
496
497
498static int
499__qla2x00_marker(struct scsi_qla_host *vha, struct req_que *req,
500 struct rsp_que *rsp, uint16_t loop_id,
501 uint64_t lun, uint8_t type)
502{
503 mrk_entry_t *mrk;
504 struct mrk_entry_24xx *mrk24 = NULL;
505
506 struct qla_hw_data *ha = vha->hw;
507 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
508
509 req = ha->req_q_map[0];
510 mrk = (mrk_entry_t *)qla2x00_alloc_iocbs(vha, NULL);
511 if (mrk == NULL) {
512 ql_log(ql_log_warn, base_vha, 0x3026,
513 "Failed to allocate Marker IOCB.\n");
514
515 return (QLA_FUNCTION_FAILED);
516 }
517
518 mrk->entry_type = MARKER_TYPE;
519 mrk->modifier = type;
520 if (type != MK_SYNC_ALL) {
521 if (IS_FWI2_CAPABLE(ha)) {
522 mrk24 = (struct mrk_entry_24xx *) mrk;
523 mrk24->nport_handle = cpu_to_le16(loop_id);
524 int_to_scsilun(lun, (struct scsi_lun *)&mrk24->lun);
525 host_to_fcp_swap(mrk24->lun, sizeof(mrk24->lun));
526 mrk24->vp_index = vha->vp_idx;
527 mrk24->handle = MAKE_HANDLE(req->id, mrk24->handle);
528 } else {
529 SET_TARGET_ID(ha, mrk->target, loop_id);
530 mrk->lun = cpu_to_le16((uint16_t)lun);
531 }
532 }
533 wmb();
534
535 qla2x00_start_iocbs(vha, req);
536
537 return (QLA_SUCCESS);
538}
539
540int
541qla2x00_marker(struct scsi_qla_host *vha, struct req_que *req,
542 struct rsp_que *rsp, uint16_t loop_id, uint64_t lun,
543 uint8_t type)
544{
545 int ret;
546 unsigned long flags = 0;
547
548 spin_lock_irqsave(&vha->hw->hardware_lock, flags);
549 ret = __qla2x00_marker(vha, req, rsp, loop_id, lun, type);
550 spin_unlock_irqrestore(&vha->hw->hardware_lock, flags);
551
552 return (ret);
553}
554
555
556
557
558
559
560
561
562int qla2x00_issue_marker(scsi_qla_host_t *vha, int ha_locked)
563{
564 if (ha_locked) {
565 if (__qla2x00_marker(vha, vha->req, vha->req->rsp, 0, 0,
566 MK_SYNC_ALL) != QLA_SUCCESS)
567 return QLA_FUNCTION_FAILED;
568 } else {
569 if (qla2x00_marker(vha, vha->req, vha->req->rsp, 0, 0,
570 MK_SYNC_ALL) != QLA_SUCCESS)
571 return QLA_FUNCTION_FAILED;
572 }
573 vha->marker_needed = 0;
574
575 return QLA_SUCCESS;
576}
577
578static inline int
579qla24xx_build_scsi_type_6_iocbs(srb_t *sp, struct cmd_type_6 *cmd_pkt,
580 uint16_t tot_dsds)
581{
582 uint32_t *cur_dsd = NULL;
583 scsi_qla_host_t *vha;
584 struct qla_hw_data *ha;
585 struct scsi_cmnd *cmd;
586 struct scatterlist *cur_seg;
587 uint32_t *dsd_seg;
588 void *next_dsd;
589 uint8_t avail_dsds;
590 uint8_t first_iocb = 1;
591 uint32_t dsd_list_len;
592 struct dsd_dma *dsd_ptr;
593 struct ct6_dsd *ctx;
594
595 cmd = GET_CMD_SP(sp);
596
597
598 *((uint32_t *)(&cmd_pkt->entry_type)) = cpu_to_le32(COMMAND_TYPE_6);
599
600
601 if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) {
602 cmd_pkt->byte_count = cpu_to_le32(0);
603 return 0;
604 }
605
606 vha = sp->vha;
607 ha = vha->hw;
608
609
610 if (cmd->sc_data_direction == DMA_TO_DEVICE) {
611 cmd_pkt->control_flags = cpu_to_le16(CF_WRITE_DATA);
612 vha->qla_stats.output_bytes += scsi_bufflen(cmd);
613 vha->qla_stats.output_requests++;
614 } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
615 cmd_pkt->control_flags = cpu_to_le16(CF_READ_DATA);
616 vha->qla_stats.input_bytes += scsi_bufflen(cmd);
617 vha->qla_stats.input_requests++;
618 }
619
620 cur_seg = scsi_sglist(cmd);
621 ctx = GET_CMD_CTX_SP(sp);
622
623 while (tot_dsds) {
624 avail_dsds = (tot_dsds > QLA_DSDS_PER_IOCB) ?
625 QLA_DSDS_PER_IOCB : tot_dsds;
626 tot_dsds -= avail_dsds;
627 dsd_list_len = (avail_dsds + 1) * QLA_DSD_SIZE;
628
629 dsd_ptr = list_first_entry(&ha->gbl_dsd_list,
630 struct dsd_dma, list);
631 next_dsd = dsd_ptr->dsd_addr;
632 list_del(&dsd_ptr->list);
633 ha->gbl_dsd_avail--;
634 list_add_tail(&dsd_ptr->list, &ctx->dsd_list);
635 ctx->dsd_use_cnt++;
636 ha->gbl_dsd_inuse++;
637
638 if (first_iocb) {
639 first_iocb = 0;
640 dsd_seg = (uint32_t *)&cmd_pkt->fcp_data_dseg_address;
641 *dsd_seg++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma));
642 *dsd_seg++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma));
643 cmd_pkt->fcp_data_dseg_len = cpu_to_le32(dsd_list_len);
644 } else {
645 *cur_dsd++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma));
646 *cur_dsd++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma));
647 *cur_dsd++ = cpu_to_le32(dsd_list_len);
648 }
649 cur_dsd = (uint32_t *)next_dsd;
650 while (avail_dsds) {
651 dma_addr_t sle_dma;
652
653 sle_dma = sg_dma_address(cur_seg);
654 *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
655 *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
656 *cur_dsd++ = cpu_to_le32(sg_dma_len(cur_seg));
657 cur_seg = sg_next(cur_seg);
658 avail_dsds--;
659 }
660 }
661
662
663 *cur_dsd++ = 0;
664 *cur_dsd++ = 0;
665 *cur_dsd++ = 0;
666 cmd_pkt->control_flags |= CF_DATA_SEG_DESCR_ENABLE;
667 return 0;
668}
669
670
671
672
673
674
675
676
677
678static inline uint16_t
679qla24xx_calc_dsd_lists(uint16_t dsds)
680{
681 uint16_t dsd_lists = 0;
682
683 dsd_lists = (dsds/QLA_DSDS_PER_IOCB);
684 if (dsds % QLA_DSDS_PER_IOCB)
685 dsd_lists++;
686 return dsd_lists;
687}
688
689
690
691
692
693
694
695
696
697
698
699inline void
700qla24xx_build_scsi_iocbs(srb_t *sp, struct cmd_type_7 *cmd_pkt,
701 uint16_t tot_dsds, struct req_que *req)
702{
703 uint16_t avail_dsds;
704 uint32_t *cur_dsd;
705 scsi_qla_host_t *vha;
706 struct scsi_cmnd *cmd;
707 struct scatterlist *sg;
708 int i;
709
710 cmd = GET_CMD_SP(sp);
711
712
713 *((uint32_t *)(&cmd_pkt->entry_type)) = cpu_to_le32(COMMAND_TYPE_7);
714
715
716 if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) {
717 cmd_pkt->byte_count = cpu_to_le32(0);
718 return;
719 }
720
721 vha = sp->vha;
722
723
724 if (cmd->sc_data_direction == DMA_TO_DEVICE) {
725 cmd_pkt->task_mgmt_flags = cpu_to_le16(TMF_WRITE_DATA);
726 vha->qla_stats.output_bytes += scsi_bufflen(cmd);
727 vha->qla_stats.output_requests++;
728 } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
729 cmd_pkt->task_mgmt_flags = cpu_to_le16(TMF_READ_DATA);
730 vha->qla_stats.input_bytes += scsi_bufflen(cmd);
731 vha->qla_stats.input_requests++;
732 }
733
734
735 avail_dsds = 1;
736 cur_dsd = (uint32_t *)&cmd_pkt->dseg_0_address;
737
738
739
740 scsi_for_each_sg(cmd, sg, tot_dsds, i) {
741 dma_addr_t sle_dma;
742 cont_a64_entry_t *cont_pkt;
743
744
745 if (avail_dsds == 0) {
746
747
748
749
750 cont_pkt = qla2x00_prep_cont_type1_iocb(vha, req);
751 cur_dsd = (uint32_t *)cont_pkt->dseg_0_address;
752 avail_dsds = 5;
753 }
754
755 sle_dma = sg_dma_address(sg);
756 *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
757 *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
758 *cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
759 avail_dsds--;
760 }
761}
762
763struct fw_dif_context {
764 uint32_t ref_tag;
765 uint16_t app_tag;
766 uint8_t ref_tag_mask[4];
767 uint8_t app_tag_mask[2];
768};
769
770
771
772
773
774static inline void
775qla24xx_set_t10dif_tags(srb_t *sp, struct fw_dif_context *pkt,
776 unsigned int protcnt)
777{
778 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
779
780 switch (scsi_get_prot_type(cmd)) {
781 case SCSI_PROT_DIF_TYPE0:
782
783
784
785
786 pkt->ref_tag = cpu_to_le32((uint32_t)
787 (0xffffffff & scsi_get_lba(cmd)));
788
789 if (!qla2x00_hba_err_chk_enabled(sp))
790 break;
791
792 pkt->ref_tag_mask[0] = 0xff;
793 pkt->ref_tag_mask[1] = 0xff;
794 pkt->ref_tag_mask[2] = 0xff;
795 pkt->ref_tag_mask[3] = 0xff;
796 break;
797
798
799
800
801
802 case SCSI_PROT_DIF_TYPE2:
803 pkt->app_tag = cpu_to_le16(0);
804 pkt->app_tag_mask[0] = 0x0;
805 pkt->app_tag_mask[1] = 0x0;
806
807 pkt->ref_tag = cpu_to_le32((uint32_t)
808 (0xffffffff & scsi_get_lba(cmd)));
809
810 if (!qla2x00_hba_err_chk_enabled(sp))
811 break;
812
813
814 pkt->ref_tag_mask[0] = 0xff;
815 pkt->ref_tag_mask[1] = 0xff;
816 pkt->ref_tag_mask[2] = 0xff;
817 pkt->ref_tag_mask[3] = 0xff;
818 break;
819
820
821 case SCSI_PROT_DIF_TYPE3:
822 pkt->ref_tag_mask[0] = pkt->ref_tag_mask[1] =
823 pkt->ref_tag_mask[2] = pkt->ref_tag_mask[3] =
824 0x00;
825 break;
826
827
828
829
830
831 case SCSI_PROT_DIF_TYPE1:
832 pkt->ref_tag = cpu_to_le32((uint32_t)
833 (0xffffffff & scsi_get_lba(cmd)));
834 pkt->app_tag = cpu_to_le16(0);
835 pkt->app_tag_mask[0] = 0x0;
836 pkt->app_tag_mask[1] = 0x0;
837
838 if (!qla2x00_hba_err_chk_enabled(sp))
839 break;
840
841
842 pkt->ref_tag_mask[0] = 0xff;
843 pkt->ref_tag_mask[1] = 0xff;
844 pkt->ref_tag_mask[2] = 0xff;
845 pkt->ref_tag_mask[3] = 0xff;
846 break;
847 }
848}
849
850int
851qla24xx_get_one_block_sg(uint32_t blk_sz, struct qla2_sgx *sgx,
852 uint32_t *partial)
853{
854 struct scatterlist *sg;
855 uint32_t cumulative_partial, sg_len;
856 dma_addr_t sg_dma_addr;
857
858 if (sgx->num_bytes == sgx->tot_bytes)
859 return 0;
860
861 sg = sgx->cur_sg;
862 cumulative_partial = sgx->tot_partial;
863
864 sg_dma_addr = sg_dma_address(sg);
865 sg_len = sg_dma_len(sg);
866
867 sgx->dma_addr = sg_dma_addr + sgx->bytes_consumed;
868
869 if ((cumulative_partial + (sg_len - sgx->bytes_consumed)) >= blk_sz) {
870 sgx->dma_len = (blk_sz - cumulative_partial);
871 sgx->tot_partial = 0;
872 sgx->num_bytes += blk_sz;
873 *partial = 0;
874 } else {
875 sgx->dma_len = sg_len - sgx->bytes_consumed;
876 sgx->tot_partial += sgx->dma_len;
877 *partial = 1;
878 }
879
880 sgx->bytes_consumed += sgx->dma_len;
881
882 if (sg_len == sgx->bytes_consumed) {
883 sg = sg_next(sg);
884 sgx->num_sg++;
885 sgx->cur_sg = sg;
886 sgx->bytes_consumed = 0;
887 }
888
889 return 1;
890}
891
892int
893qla24xx_walk_and_build_sglist_no_difb(struct qla_hw_data *ha, srb_t *sp,
894 uint32_t *dsd, uint16_t tot_dsds, struct qla_tc_param *tc)
895{
896 void *next_dsd;
897 uint8_t avail_dsds = 0;
898 uint32_t dsd_list_len;
899 struct dsd_dma *dsd_ptr;
900 struct scatterlist *sg_prot;
901 uint32_t *cur_dsd = dsd;
902 uint16_t used_dsds = tot_dsds;
903 uint32_t prot_int;
904 uint32_t partial;
905 struct qla2_sgx sgx;
906 dma_addr_t sle_dma;
907 uint32_t sle_dma_len, tot_prot_dma_len = 0;
908 struct scsi_cmnd *cmd;
909
910 memset(&sgx, 0, sizeof(struct qla2_sgx));
911 if (sp) {
912 cmd = GET_CMD_SP(sp);
913 prot_int = cmd->device->sector_size;
914
915 sgx.tot_bytes = scsi_bufflen(cmd);
916 sgx.cur_sg = scsi_sglist(cmd);
917 sgx.sp = sp;
918
919 sg_prot = scsi_prot_sglist(cmd);
920 } else if (tc) {
921 prot_int = tc->blk_sz;
922 sgx.tot_bytes = tc->bufflen;
923 sgx.cur_sg = tc->sg;
924 sg_prot = tc->prot_sg;
925 } else {
926 BUG();
927 return 1;
928 }
929
930 while (qla24xx_get_one_block_sg(prot_int, &sgx, &partial)) {
931
932 sle_dma = sgx.dma_addr;
933 sle_dma_len = sgx.dma_len;
934alloc_and_fill:
935
936 if (avail_dsds == 0) {
937 avail_dsds = (used_dsds > QLA_DSDS_PER_IOCB) ?
938 QLA_DSDS_PER_IOCB : used_dsds;
939 dsd_list_len = (avail_dsds + 1) * 12;
940 used_dsds -= avail_dsds;
941
942
943 dsd_ptr = kzalloc(sizeof(struct dsd_dma), GFP_ATOMIC);
944 if (!dsd_ptr)
945 return 1;
946
947
948 dsd_ptr->dsd_addr = next_dsd =
949 dma_pool_alloc(ha->dl_dma_pool, GFP_ATOMIC,
950 &dsd_ptr->dsd_list_dma);
951
952 if (!next_dsd) {
953
954
955
956
957 kfree(dsd_ptr);
958 return 1;
959 }
960
961 if (sp) {
962 list_add_tail(&dsd_ptr->list,
963 &((struct crc_context *)
964 sp->u.scmd.ctx)->dsd_list);
965
966 sp->flags |= SRB_CRC_CTX_DSD_VALID;
967 } else {
968 list_add_tail(&dsd_ptr->list,
969 &(tc->ctx->dsd_list));
970 *tc->ctx_dsd_alloced = 1;
971 }
972
973
974
975 *cur_dsd++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma));
976 *cur_dsd++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma));
977 *cur_dsd++ = dsd_list_len;
978 cur_dsd = (uint32_t *)next_dsd;
979 }
980 *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
981 *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
982 *cur_dsd++ = cpu_to_le32(sle_dma_len);
983 avail_dsds--;
984
985 if (partial == 0) {
986
987 sle_dma = sg_dma_address(sg_prot) + tot_prot_dma_len;
988 sle_dma_len = 8;
989
990 tot_prot_dma_len += sle_dma_len;
991 if (tot_prot_dma_len == sg_dma_len(sg_prot)) {
992 tot_prot_dma_len = 0;
993 sg_prot = sg_next(sg_prot);
994 }
995
996 partial = 1;
997 goto alloc_and_fill;
998 }
999 }
1000
1001 *cur_dsd++ = 0;
1002 *cur_dsd++ = 0;
1003 *cur_dsd++ = 0;
1004 return 0;
1005}
1006
1007int
1008qla24xx_walk_and_build_sglist(struct qla_hw_data *ha, srb_t *sp, uint32_t *dsd,
1009 uint16_t tot_dsds, struct qla_tc_param *tc)
1010{
1011 void *next_dsd;
1012 uint8_t avail_dsds = 0;
1013 uint32_t dsd_list_len;
1014 struct dsd_dma *dsd_ptr;
1015 struct scatterlist *sg, *sgl;
1016 uint32_t *cur_dsd = dsd;
1017 int i;
1018 uint16_t used_dsds = tot_dsds;
1019 struct scsi_cmnd *cmd;
1020
1021 if (sp) {
1022 cmd = GET_CMD_SP(sp);
1023 sgl = scsi_sglist(cmd);
1024 } else if (tc) {
1025 sgl = tc->sg;
1026 } else {
1027 BUG();
1028 return 1;
1029 }
1030
1031
1032 for_each_sg(sgl, sg, tot_dsds, i) {
1033 dma_addr_t sle_dma;
1034
1035
1036 if (avail_dsds == 0) {
1037 avail_dsds = (used_dsds > QLA_DSDS_PER_IOCB) ?
1038 QLA_DSDS_PER_IOCB : used_dsds;
1039 dsd_list_len = (avail_dsds + 1) * 12;
1040 used_dsds -= avail_dsds;
1041
1042
1043 dsd_ptr = kzalloc(sizeof(struct dsd_dma), GFP_ATOMIC);
1044 if (!dsd_ptr)
1045 return 1;
1046
1047
1048 dsd_ptr->dsd_addr = next_dsd =
1049 dma_pool_alloc(ha->dl_dma_pool, GFP_ATOMIC,
1050 &dsd_ptr->dsd_list_dma);
1051
1052 if (!next_dsd) {
1053
1054
1055
1056
1057 kfree(dsd_ptr);
1058 return 1;
1059 }
1060
1061 if (sp) {
1062 list_add_tail(&dsd_ptr->list,
1063 &((struct crc_context *)
1064 sp->u.scmd.ctx)->dsd_list);
1065
1066 sp->flags |= SRB_CRC_CTX_DSD_VALID;
1067 } else {
1068 list_add_tail(&dsd_ptr->list,
1069 &(tc->ctx->dsd_list));
1070 *tc->ctx_dsd_alloced = 1;
1071 }
1072
1073
1074 *cur_dsd++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma));
1075 *cur_dsd++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma));
1076 *cur_dsd++ = dsd_list_len;
1077 cur_dsd = (uint32_t *)next_dsd;
1078 }
1079 sle_dma = sg_dma_address(sg);
1080
1081 *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
1082 *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
1083 *cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
1084 avail_dsds--;
1085
1086 }
1087
1088 *cur_dsd++ = 0;
1089 *cur_dsd++ = 0;
1090 *cur_dsd++ = 0;
1091 return 0;
1092}
1093
1094int
1095qla24xx_walk_and_build_prot_sglist(struct qla_hw_data *ha, srb_t *sp,
1096 uint32_t *dsd, uint16_t tot_dsds, struct qla_tc_param *tc)
1097{
1098 void *next_dsd;
1099 uint8_t avail_dsds = 0;
1100 uint32_t dsd_list_len;
1101 struct dsd_dma *dsd_ptr;
1102 struct scatterlist *sg, *sgl;
1103 int i;
1104 struct scsi_cmnd *cmd;
1105 uint32_t *cur_dsd = dsd;
1106 uint16_t used_dsds = tot_dsds;
1107 struct scsi_qla_host *vha;
1108
1109 if (sp) {
1110 cmd = GET_CMD_SP(sp);
1111 sgl = scsi_prot_sglist(cmd);
1112 vha = sp->vha;
1113 } else if (tc) {
1114 vha = tc->vha;
1115 sgl = tc->prot_sg;
1116 } else {
1117 BUG();
1118 return 1;
1119 }
1120
1121 ql_dbg(ql_dbg_tgt, vha, 0xe021,
1122 "%s: enter\n", __func__);
1123
1124 for_each_sg(sgl, sg, tot_dsds, i) {
1125 dma_addr_t sle_dma;
1126
1127
1128 if (avail_dsds == 0) {
1129 avail_dsds = (used_dsds > QLA_DSDS_PER_IOCB) ?
1130 QLA_DSDS_PER_IOCB : used_dsds;
1131 dsd_list_len = (avail_dsds + 1) * 12;
1132 used_dsds -= avail_dsds;
1133
1134
1135 dsd_ptr = kzalloc(sizeof(struct dsd_dma), GFP_ATOMIC);
1136 if (!dsd_ptr)
1137 return 1;
1138
1139
1140 dsd_ptr->dsd_addr = next_dsd =
1141 dma_pool_alloc(ha->dl_dma_pool, GFP_ATOMIC,
1142 &dsd_ptr->dsd_list_dma);
1143
1144 if (!next_dsd) {
1145
1146
1147
1148
1149 kfree(dsd_ptr);
1150 return 1;
1151 }
1152
1153 if (sp) {
1154 list_add_tail(&dsd_ptr->list,
1155 &((struct crc_context *)
1156 sp->u.scmd.ctx)->dsd_list);
1157
1158 sp->flags |= SRB_CRC_CTX_DSD_VALID;
1159 } else {
1160 list_add_tail(&dsd_ptr->list,
1161 &(tc->ctx->dsd_list));
1162 *tc->ctx_dsd_alloced = 1;
1163 }
1164
1165
1166 *cur_dsd++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma));
1167 *cur_dsd++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma));
1168 *cur_dsd++ = dsd_list_len;
1169 cur_dsd = (uint32_t *)next_dsd;
1170 }
1171 sle_dma = sg_dma_address(sg);
1172
1173 *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
1174 *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
1175 *cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
1176
1177 avail_dsds--;
1178 }
1179
1180 *cur_dsd++ = 0;
1181 *cur_dsd++ = 0;
1182 *cur_dsd++ = 0;
1183 return 0;
1184}
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194inline int
1195qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt,
1196 uint16_t tot_dsds, uint16_t tot_prot_dsds, uint16_t fw_prot_opts)
1197{
1198 uint32_t *cur_dsd, *fcp_dl;
1199 scsi_qla_host_t *vha;
1200 struct scsi_cmnd *cmd;
1201 uint32_t total_bytes = 0;
1202 uint32_t data_bytes;
1203 uint32_t dif_bytes;
1204 uint8_t bundling = 1;
1205 uint16_t blk_size;
1206 uint8_t *clr_ptr;
1207 struct crc_context *crc_ctx_pkt = NULL;
1208 struct qla_hw_data *ha;
1209 uint8_t additional_fcpcdb_len;
1210 uint16_t fcp_cmnd_len;
1211 struct fcp_cmnd *fcp_cmnd;
1212 dma_addr_t crc_ctx_dma;
1213
1214 cmd = GET_CMD_SP(sp);
1215
1216
1217 *((uint32_t *)(&cmd_pkt->entry_type)) = cpu_to_le32(COMMAND_TYPE_CRC_2);
1218
1219 vha = sp->vha;
1220 ha = vha->hw;
1221
1222
1223 data_bytes = scsi_bufflen(cmd);
1224 if (!data_bytes || cmd->sc_data_direction == DMA_NONE) {
1225 cmd_pkt->byte_count = cpu_to_le32(0);
1226 return QLA_SUCCESS;
1227 }
1228
1229 cmd_pkt->vp_index = sp->vha->vp_idx;
1230
1231
1232 if (cmd->sc_data_direction == DMA_TO_DEVICE) {
1233 cmd_pkt->control_flags =
1234 cpu_to_le16(CF_WRITE_DATA);
1235 } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
1236 cmd_pkt->control_flags =
1237 cpu_to_le16(CF_READ_DATA);
1238 }
1239
1240 if ((scsi_get_prot_op(cmd) == SCSI_PROT_READ_INSERT) ||
1241 (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_STRIP) ||
1242 (scsi_get_prot_op(cmd) == SCSI_PROT_READ_STRIP) ||
1243 (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_INSERT))
1244 bundling = 0;
1245
1246
1247 crc_ctx_pkt = sp->u.scmd.ctx =
1248 dma_pool_alloc(ha->dl_dma_pool, GFP_ATOMIC, &crc_ctx_dma);
1249
1250 if (!crc_ctx_pkt)
1251 goto crc_queuing_error;
1252
1253
1254 clr_ptr = (uint8_t *)crc_ctx_pkt;
1255 memset(clr_ptr, 0, sizeof(*crc_ctx_pkt));
1256
1257 crc_ctx_pkt->crc_ctx_dma = crc_ctx_dma;
1258
1259 sp->flags |= SRB_CRC_CTX_DMA_VALID;
1260
1261
1262 crc_ctx_pkt->handle = cmd_pkt->handle;
1263
1264 INIT_LIST_HEAD(&crc_ctx_pkt->dsd_list);
1265
1266 qla24xx_set_t10dif_tags(sp, (struct fw_dif_context *)
1267 &crc_ctx_pkt->ref_tag, tot_prot_dsds);
1268
1269 cmd_pkt->crc_context_address[0] = cpu_to_le32(LSD(crc_ctx_dma));
1270 cmd_pkt->crc_context_address[1] = cpu_to_le32(MSD(crc_ctx_dma));
1271 cmd_pkt->crc_context_len = CRC_CONTEXT_LEN_FW;
1272
1273
1274 if (cmd->cmd_len > 16) {
1275 additional_fcpcdb_len = cmd->cmd_len - 16;
1276 if ((cmd->cmd_len % 4) != 0) {
1277
1278 goto crc_queuing_error;
1279 }
1280 fcp_cmnd_len = 12 + cmd->cmd_len + 4;
1281 } else {
1282 additional_fcpcdb_len = 0;
1283 fcp_cmnd_len = 12 + 16 + 4;
1284 }
1285
1286 fcp_cmnd = &crc_ctx_pkt->fcp_cmnd;
1287
1288 fcp_cmnd->additional_cdb_len = additional_fcpcdb_len;
1289 if (cmd->sc_data_direction == DMA_TO_DEVICE)
1290 fcp_cmnd->additional_cdb_len |= 1;
1291 else if (cmd->sc_data_direction == DMA_FROM_DEVICE)
1292 fcp_cmnd->additional_cdb_len |= 2;
1293
1294 int_to_scsilun(cmd->device->lun, &fcp_cmnd->lun);
1295 memcpy(fcp_cmnd->cdb, cmd->cmnd, cmd->cmd_len);
1296 cmd_pkt->fcp_cmnd_dseg_len = cpu_to_le16(fcp_cmnd_len);
1297 cmd_pkt->fcp_cmnd_dseg_address[0] = cpu_to_le32(
1298 LSD(crc_ctx_dma + CRC_CONTEXT_FCPCMND_OFF));
1299 cmd_pkt->fcp_cmnd_dseg_address[1] = cpu_to_le32(
1300 MSD(crc_ctx_dma + CRC_CONTEXT_FCPCMND_OFF));
1301 fcp_cmnd->task_management = 0;
1302 fcp_cmnd->task_attribute = TSK_SIMPLE;
1303
1304 cmd_pkt->fcp_rsp_dseg_len = 0;
1305
1306
1307 dif_bytes = 0;
1308 blk_size = cmd->device->sector_size;
1309 dif_bytes = (data_bytes / blk_size) * 8;
1310
1311 switch (scsi_get_prot_op(GET_CMD_SP(sp))) {
1312 case SCSI_PROT_READ_INSERT:
1313 case SCSI_PROT_WRITE_STRIP:
1314 total_bytes = data_bytes;
1315 data_bytes += dif_bytes;
1316 break;
1317
1318 case SCSI_PROT_READ_STRIP:
1319 case SCSI_PROT_WRITE_INSERT:
1320 case SCSI_PROT_READ_PASS:
1321 case SCSI_PROT_WRITE_PASS:
1322 total_bytes = data_bytes + dif_bytes;
1323 break;
1324 default:
1325 BUG();
1326 }
1327
1328 if (!qla2x00_hba_err_chk_enabled(sp))
1329 fw_prot_opts |= 0x10;
1330
1331 else if (IS_PI_UNINIT_CAPABLE(ha)) {
1332 if ((scsi_get_prot_type(GET_CMD_SP(sp)) == SCSI_PROT_DIF_TYPE1)
1333 || (scsi_get_prot_type(GET_CMD_SP(sp)) ==
1334 SCSI_PROT_DIF_TYPE2))
1335 fw_prot_opts |= BIT_10;
1336 else if (scsi_get_prot_type(GET_CMD_SP(sp)) ==
1337 SCSI_PROT_DIF_TYPE3)
1338 fw_prot_opts |= BIT_11;
1339 }
1340
1341 if (!bundling) {
1342 cur_dsd = (uint32_t *) &crc_ctx_pkt->u.nobundling.data_address;
1343 } else {
1344
1345
1346
1347
1348 fw_prot_opts |= PO_ENABLE_DIF_BUNDLING;
1349 crc_ctx_pkt->u.bundling.dif_byte_count = cpu_to_le32(dif_bytes);
1350 crc_ctx_pkt->u.bundling.dseg_count = cpu_to_le16(tot_dsds -
1351 tot_prot_dsds);
1352 cur_dsd = (uint32_t *) &crc_ctx_pkt->u.bundling.data_address;
1353 }
1354
1355
1356 crc_ctx_pkt->blk_size = cpu_to_le16(blk_size);
1357 crc_ctx_pkt->prot_opts = cpu_to_le16(fw_prot_opts);
1358 crc_ctx_pkt->byte_count = cpu_to_le32(data_bytes);
1359 crc_ctx_pkt->guard_seed = cpu_to_le16(0);
1360
1361 cmd_pkt->byte_count = cpu_to_le32(total_bytes);
1362 fcp_dl = (uint32_t *)(crc_ctx_pkt->fcp_cmnd.cdb + 16 +
1363 additional_fcpcdb_len);
1364 *fcp_dl = htonl(total_bytes);
1365
1366 if (!data_bytes || cmd->sc_data_direction == DMA_NONE) {
1367 cmd_pkt->byte_count = cpu_to_le32(0);
1368 return QLA_SUCCESS;
1369 }
1370
1371
1372 cmd_pkt->control_flags |= cpu_to_le16(CF_DATA_SEG_DESCR_ENABLE);
1373
1374 if (!bundling && tot_prot_dsds) {
1375 if (qla24xx_walk_and_build_sglist_no_difb(ha, sp,
1376 cur_dsd, tot_dsds, NULL))
1377 goto crc_queuing_error;
1378 } else if (qla24xx_walk_and_build_sglist(ha, sp, cur_dsd,
1379 (tot_dsds - tot_prot_dsds), NULL))
1380 goto crc_queuing_error;
1381
1382 if (bundling && tot_prot_dsds) {
1383
1384 cmd_pkt->control_flags |= cpu_to_le16(CF_DIF_SEG_DESCR_ENABLE);
1385 cur_dsd = (uint32_t *) &crc_ctx_pkt->u.bundling.dif_address;
1386 if (qla24xx_walk_and_build_prot_sglist(ha, sp, cur_dsd,
1387 tot_prot_dsds, NULL))
1388 goto crc_queuing_error;
1389 }
1390 return QLA_SUCCESS;
1391
1392crc_queuing_error:
1393
1394
1395 return QLA_FUNCTION_FAILED;
1396}
1397
1398
1399
1400
1401
1402
1403
1404int
1405qla24xx_start_scsi(srb_t *sp)
1406{
1407 int nseg;
1408 unsigned long flags;
1409 uint32_t *clr_ptr;
1410 uint32_t index;
1411 uint32_t handle;
1412 struct cmd_type_7 *cmd_pkt;
1413 uint16_t cnt;
1414 uint16_t req_cnt;
1415 uint16_t tot_dsds;
1416 struct req_que *req = NULL;
1417 struct rsp_que *rsp = NULL;
1418 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
1419 struct scsi_qla_host *vha = sp->vha;
1420 struct qla_hw_data *ha = vha->hw;
1421
1422
1423 req = vha->req;
1424 rsp = req->rsp;
1425
1426
1427 tot_dsds = 0;
1428
1429
1430 if (vha->marker_needed != 0) {
1431 if (qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL) !=
1432 QLA_SUCCESS)
1433 return QLA_FUNCTION_FAILED;
1434 vha->marker_needed = 0;
1435 }
1436
1437
1438 spin_lock_irqsave(&ha->hardware_lock, flags);
1439
1440
1441 handle = req->current_outstanding_cmd;
1442 for (index = 1; index < req->num_outstanding_cmds; index++) {
1443 handle++;
1444 if (handle == req->num_outstanding_cmds)
1445 handle = 1;
1446 if (!req->outstanding_cmds[handle])
1447 break;
1448 }
1449 if (index == req->num_outstanding_cmds)
1450 goto queuing_error;
1451
1452
1453 if (scsi_sg_count(cmd)) {
1454 nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
1455 scsi_sg_count(cmd), cmd->sc_data_direction);
1456 if (unlikely(!nseg))
1457 goto queuing_error;
1458 } else
1459 nseg = 0;
1460
1461 tot_dsds = nseg;
1462 req_cnt = qla24xx_calc_iocbs(vha, tot_dsds);
1463 if (req->cnt < (req_cnt + 2)) {
1464 cnt = IS_SHADOW_REG_CAPABLE(ha) ? *req->out_ptr :
1465 RD_REG_DWORD_RELAXED(req->req_q_out);
1466 if (req->ring_index < cnt)
1467 req->cnt = cnt - req->ring_index;
1468 else
1469 req->cnt = req->length -
1470 (req->ring_index - cnt);
1471 if (req->cnt < (req_cnt + 2))
1472 goto queuing_error;
1473 }
1474
1475
1476 req->current_outstanding_cmd = handle;
1477 req->outstanding_cmds[handle] = sp;
1478 sp->handle = handle;
1479 cmd->host_scribble = (unsigned char *)(unsigned long)handle;
1480 req->cnt -= req_cnt;
1481
1482 cmd_pkt = (struct cmd_type_7 *)req->ring_ptr;
1483 cmd_pkt->handle = MAKE_HANDLE(req->id, handle);
1484
1485
1486
1487 clr_ptr = (uint32_t *)cmd_pkt + 2;
1488 memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8);
1489 cmd_pkt->dseg_count = cpu_to_le16(tot_dsds);
1490
1491
1492 cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id);
1493 cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa;
1494 cmd_pkt->port_id[1] = sp->fcport->d_id.b.area;
1495 cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain;
1496 cmd_pkt->vp_index = sp->vha->vp_idx;
1497
1498 int_to_scsilun(cmd->device->lun, &cmd_pkt->lun);
1499 host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun));
1500
1501 cmd_pkt->task = TSK_SIMPLE;
1502
1503
1504 memcpy(cmd_pkt->fcp_cdb, cmd->cmnd, cmd->cmd_len);
1505 host_to_fcp_swap(cmd_pkt->fcp_cdb, sizeof(cmd_pkt->fcp_cdb));
1506
1507 cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd));
1508
1509
1510 qla24xx_build_scsi_iocbs(sp, cmd_pkt, tot_dsds, req);
1511
1512
1513 cmd_pkt->entry_count = (uint8_t)req_cnt;
1514 wmb();
1515
1516 req->ring_index++;
1517 if (req->ring_index == req->length) {
1518 req->ring_index = 0;
1519 req->ring_ptr = req->ring;
1520 } else
1521 req->ring_ptr++;
1522
1523 sp->flags |= SRB_DMA_VALID;
1524
1525
1526 WRT_REG_DWORD(req->req_q_in, req->ring_index);
1527 RD_REG_DWORD_RELAXED(&ha->iobase->isp24.hccr);
1528
1529
1530 if (vha->flags.process_response_queue &&
1531 rsp->ring_ptr->signature != RESPONSE_PROCESSED)
1532 qla24xx_process_response_queue(vha, rsp);
1533
1534 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1535 return QLA_SUCCESS;
1536
1537queuing_error:
1538 if (tot_dsds)
1539 scsi_dma_unmap(cmd);
1540
1541 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1542
1543 return QLA_FUNCTION_FAILED;
1544}
1545
1546
1547
1548
1549
1550
1551
1552int
1553qla24xx_dif_start_scsi(srb_t *sp)
1554{
1555 int nseg;
1556 unsigned long flags;
1557 uint32_t *clr_ptr;
1558 uint32_t index;
1559 uint32_t handle;
1560 uint16_t cnt;
1561 uint16_t req_cnt = 0;
1562 uint16_t tot_dsds;
1563 uint16_t tot_prot_dsds;
1564 uint16_t fw_prot_opts = 0;
1565 struct req_que *req = NULL;
1566 struct rsp_que *rsp = NULL;
1567 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
1568 struct scsi_qla_host *vha = sp->vha;
1569 struct qla_hw_data *ha = vha->hw;
1570 struct cmd_type_crc_2 *cmd_pkt;
1571 uint32_t status = 0;
1572
1573#define QDSS_GOT_Q_SPACE BIT_0
1574
1575
1576 if (scsi_get_prot_op(cmd) == SCSI_PROT_NORMAL) {
1577 if (cmd->cmd_len <= 16)
1578 return qla24xx_start_scsi(sp);
1579 }
1580
1581
1582 req = vha->req;
1583 rsp = req->rsp;
1584
1585
1586 tot_dsds = 0;
1587
1588
1589 if (vha->marker_needed != 0) {
1590 if (qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL) !=
1591 QLA_SUCCESS)
1592 return QLA_FUNCTION_FAILED;
1593 vha->marker_needed = 0;
1594 }
1595
1596
1597 spin_lock_irqsave(&ha->hardware_lock, flags);
1598
1599
1600 handle = req->current_outstanding_cmd;
1601 for (index = 1; index < req->num_outstanding_cmds; index++) {
1602 handle++;
1603 if (handle == req->num_outstanding_cmds)
1604 handle = 1;
1605 if (!req->outstanding_cmds[handle])
1606 break;
1607 }
1608
1609 if (index == req->num_outstanding_cmds)
1610 goto queuing_error;
1611
1612
1613
1614 if (scsi_sg_count(cmd)) {
1615 nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
1616 scsi_sg_count(cmd), cmd->sc_data_direction);
1617 if (unlikely(!nseg))
1618 goto queuing_error;
1619 else
1620 sp->flags |= SRB_DMA_VALID;
1621
1622 if ((scsi_get_prot_op(cmd) == SCSI_PROT_READ_INSERT) ||
1623 (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_STRIP)) {
1624 struct qla2_sgx sgx;
1625 uint32_t partial;
1626
1627 memset(&sgx, 0, sizeof(struct qla2_sgx));
1628 sgx.tot_bytes = scsi_bufflen(cmd);
1629 sgx.cur_sg = scsi_sglist(cmd);
1630 sgx.sp = sp;
1631
1632 nseg = 0;
1633 while (qla24xx_get_one_block_sg(
1634 cmd->device->sector_size, &sgx, &partial))
1635 nseg++;
1636 }
1637 } else
1638 nseg = 0;
1639
1640
1641 tot_dsds = nseg;
1642
1643
1644 if (qla24xx_configure_prot_mode(sp, &fw_prot_opts)) {
1645 nseg = dma_map_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
1646 scsi_prot_sg_count(cmd), cmd->sc_data_direction);
1647 if (unlikely(!nseg))
1648 goto queuing_error;
1649 else
1650 sp->flags |= SRB_CRC_PROT_DMA_VALID;
1651
1652 if ((scsi_get_prot_op(cmd) == SCSI_PROT_READ_INSERT) ||
1653 (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_STRIP)) {
1654 nseg = scsi_bufflen(cmd) / cmd->device->sector_size;
1655 }
1656 } else {
1657 nseg = 0;
1658 }
1659
1660 req_cnt = 1;
1661
1662 tot_prot_dsds = nseg;
1663 tot_dsds += nseg;
1664 if (req->cnt < (req_cnt + 2)) {
1665 cnt = IS_SHADOW_REG_CAPABLE(ha) ? *req->out_ptr :
1666 RD_REG_DWORD_RELAXED(req->req_q_out);
1667 if (req->ring_index < cnt)
1668 req->cnt = cnt - req->ring_index;
1669 else
1670 req->cnt = req->length -
1671 (req->ring_index - cnt);
1672 if (req->cnt < (req_cnt + 2))
1673 goto queuing_error;
1674 }
1675
1676 status |= QDSS_GOT_Q_SPACE;
1677
1678
1679 req->current_outstanding_cmd = handle;
1680 req->outstanding_cmds[handle] = sp;
1681 sp->handle = handle;
1682 cmd->host_scribble = (unsigned char *)(unsigned long)handle;
1683 req->cnt -= req_cnt;
1684
1685
1686 cmd_pkt = (struct cmd_type_crc_2 *)req->ring_ptr;
1687 cmd_pkt->handle = MAKE_HANDLE(req->id, handle);
1688
1689 clr_ptr = (uint32_t *)cmd_pkt + 2;
1690 memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8);
1691
1692
1693 cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id);
1694 cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa;
1695 cmd_pkt->port_id[1] = sp->fcport->d_id.b.area;
1696 cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain;
1697
1698 int_to_scsilun(cmd->device->lun, &cmd_pkt->lun);
1699 host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun));
1700
1701
1702 cmd_pkt->dseg_count = cpu_to_le16(tot_dsds);
1703
1704
1705 if (qla24xx_build_scsi_crc_2_iocbs(sp, (struct cmd_type_crc_2 *)
1706 req->ring_ptr, tot_dsds, tot_prot_dsds, fw_prot_opts) !=
1707 QLA_SUCCESS)
1708 goto queuing_error;
1709
1710 cmd_pkt->entry_count = (uint8_t)req_cnt;
1711
1712 cmd_pkt->entry_status = (uint8_t) rsp->id;
1713 cmd_pkt->timeout = cpu_to_le16(0);
1714 wmb();
1715
1716
1717 req->ring_index++;
1718 if (req->ring_index == req->length) {
1719 req->ring_index = 0;
1720 req->ring_ptr = req->ring;
1721 } else
1722 req->ring_ptr++;
1723
1724
1725 WRT_REG_DWORD(req->req_q_in, req->ring_index);
1726 RD_REG_DWORD_RELAXED(&ha->iobase->isp24.hccr);
1727
1728
1729 if (vha->flags.process_response_queue &&
1730 rsp->ring_ptr->signature != RESPONSE_PROCESSED)
1731 qla24xx_process_response_queue(vha, rsp);
1732
1733 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1734
1735 return QLA_SUCCESS;
1736
1737queuing_error:
1738 if (status & QDSS_GOT_Q_SPACE) {
1739 req->outstanding_cmds[handle] = NULL;
1740 req->cnt += req_cnt;
1741 }
1742
1743
1744 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1745 return QLA_FUNCTION_FAILED;
1746}
1747
1748
1749
1750
1751
1752
1753
1754static int
1755qla2xxx_start_scsi_mq(srb_t *sp)
1756{
1757 int nseg;
1758 unsigned long flags;
1759 uint32_t *clr_ptr;
1760 uint32_t index;
1761 uint32_t handle;
1762 struct cmd_type_7 *cmd_pkt;
1763 uint16_t cnt;
1764 uint16_t req_cnt;
1765 uint16_t tot_dsds;
1766 struct req_que *req = NULL;
1767 struct rsp_que *rsp = NULL;
1768 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
1769 struct scsi_qla_host *vha = sp->fcport->vha;
1770 struct qla_hw_data *ha = vha->hw;
1771 struct qla_qpair *qpair = sp->qpair;
1772
1773
1774 spin_lock_irqsave(&qpair->qp_lock, flags);
1775
1776
1777 rsp = qpair->rsp;
1778 req = qpair->req;
1779
1780
1781 tot_dsds = 0;
1782
1783
1784 if (vha->marker_needed != 0) {
1785 if (__qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL) !=
1786 QLA_SUCCESS) {
1787 spin_unlock_irqrestore(&qpair->qp_lock, flags);
1788 return QLA_FUNCTION_FAILED;
1789 }
1790 vha->marker_needed = 0;
1791 }
1792
1793
1794 handle = req->current_outstanding_cmd;
1795 for (index = 1; index < req->num_outstanding_cmds; index++) {
1796 handle++;
1797 if (handle == req->num_outstanding_cmds)
1798 handle = 1;
1799 if (!req->outstanding_cmds[handle])
1800 break;
1801 }
1802 if (index == req->num_outstanding_cmds)
1803 goto queuing_error;
1804
1805
1806 if (scsi_sg_count(cmd)) {
1807 nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
1808 scsi_sg_count(cmd), cmd->sc_data_direction);
1809 if (unlikely(!nseg))
1810 goto queuing_error;
1811 } else
1812 nseg = 0;
1813
1814 tot_dsds = nseg;
1815 req_cnt = qla24xx_calc_iocbs(vha, tot_dsds);
1816 if (req->cnt < (req_cnt + 2)) {
1817 cnt = IS_SHADOW_REG_CAPABLE(ha) ? *req->out_ptr :
1818 RD_REG_DWORD_RELAXED(req->req_q_out);
1819 if (req->ring_index < cnt)
1820 req->cnt = cnt - req->ring_index;
1821 else
1822 req->cnt = req->length -
1823 (req->ring_index - cnt);
1824 if (req->cnt < (req_cnt + 2))
1825 goto queuing_error;
1826 }
1827
1828
1829 req->current_outstanding_cmd = handle;
1830 req->outstanding_cmds[handle] = sp;
1831 sp->handle = handle;
1832 cmd->host_scribble = (unsigned char *)(unsigned long)handle;
1833 req->cnt -= req_cnt;
1834
1835 cmd_pkt = (struct cmd_type_7 *)req->ring_ptr;
1836 cmd_pkt->handle = MAKE_HANDLE(req->id, handle);
1837
1838
1839
1840 clr_ptr = (uint32_t *)cmd_pkt + 2;
1841 memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8);
1842 cmd_pkt->dseg_count = cpu_to_le16(tot_dsds);
1843
1844
1845 cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id);
1846 cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa;
1847 cmd_pkt->port_id[1] = sp->fcport->d_id.b.area;
1848 cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain;
1849 cmd_pkt->vp_index = sp->fcport->vha->vp_idx;
1850
1851 int_to_scsilun(cmd->device->lun, &cmd_pkt->lun);
1852 host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun));
1853
1854 cmd_pkt->task = TSK_SIMPLE;
1855
1856
1857 memcpy(cmd_pkt->fcp_cdb, cmd->cmnd, cmd->cmd_len);
1858 host_to_fcp_swap(cmd_pkt->fcp_cdb, sizeof(cmd_pkt->fcp_cdb));
1859
1860 cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd));
1861
1862
1863 qla24xx_build_scsi_iocbs(sp, cmd_pkt, tot_dsds, req);
1864
1865
1866 cmd_pkt->entry_count = (uint8_t)req_cnt;
1867 wmb();
1868
1869 req->ring_index++;
1870 if (req->ring_index == req->length) {
1871 req->ring_index = 0;
1872 req->ring_ptr = req->ring;
1873 } else
1874 req->ring_ptr++;
1875
1876 sp->flags |= SRB_DMA_VALID;
1877
1878
1879 WRT_REG_DWORD(req->req_q_in, req->ring_index);
1880
1881
1882 if (vha->flags.process_response_queue &&
1883 rsp->ring_ptr->signature != RESPONSE_PROCESSED)
1884 qla24xx_process_response_queue(vha, rsp);
1885
1886 spin_unlock_irqrestore(&qpair->qp_lock, flags);
1887 return QLA_SUCCESS;
1888
1889queuing_error:
1890 if (tot_dsds)
1891 scsi_dma_unmap(cmd);
1892
1893 spin_unlock_irqrestore(&qpair->qp_lock, flags);
1894
1895 return QLA_FUNCTION_FAILED;
1896}
1897
1898
1899
1900
1901
1902
1903
1904
1905int
1906qla2xxx_dif_start_scsi_mq(srb_t *sp)
1907{
1908 int nseg;
1909 unsigned long flags;
1910 uint32_t *clr_ptr;
1911 uint32_t index;
1912 uint32_t handle;
1913 uint16_t cnt;
1914 uint16_t req_cnt = 0;
1915 uint16_t tot_dsds;
1916 uint16_t tot_prot_dsds;
1917 uint16_t fw_prot_opts = 0;
1918 struct req_que *req = NULL;
1919 struct rsp_que *rsp = NULL;
1920 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
1921 struct scsi_qla_host *vha = sp->fcport->vha;
1922 struct qla_hw_data *ha = vha->hw;
1923 struct cmd_type_crc_2 *cmd_pkt;
1924 uint32_t status = 0;
1925 struct qla_qpair *qpair = sp->qpair;
1926
1927#define QDSS_GOT_Q_SPACE BIT_0
1928
1929
1930 if (!qpair->online) {
1931 cmd->result = DID_NO_CONNECT << 16;
1932 return QLA_INTERFACE_ERROR;
1933 }
1934
1935 if (!qpair->difdix_supported &&
1936 scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
1937 cmd->result = DID_NO_CONNECT << 16;
1938 return QLA_INTERFACE_ERROR;
1939 }
1940
1941
1942 if (scsi_get_prot_op(cmd) == SCSI_PROT_NORMAL) {
1943 if (cmd->cmd_len <= 16)
1944 return qla2xxx_start_scsi_mq(sp);
1945 }
1946
1947 spin_lock_irqsave(&qpair->qp_lock, flags);
1948
1949
1950 rsp = qpair->rsp;
1951 req = qpair->req;
1952
1953
1954 tot_dsds = 0;
1955
1956
1957 if (vha->marker_needed != 0) {
1958 if (__qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL) !=
1959 QLA_SUCCESS) {
1960 spin_unlock_irqrestore(&qpair->qp_lock, flags);
1961 return QLA_FUNCTION_FAILED;
1962 }
1963 vha->marker_needed = 0;
1964 }
1965
1966
1967 handle = req->current_outstanding_cmd;
1968 for (index = 1; index < req->num_outstanding_cmds; index++) {
1969 handle++;
1970 if (handle == req->num_outstanding_cmds)
1971 handle = 1;
1972 if (!req->outstanding_cmds[handle])
1973 break;
1974 }
1975
1976 if (index == req->num_outstanding_cmds)
1977 goto queuing_error;
1978
1979
1980
1981 if (scsi_sg_count(cmd)) {
1982 nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
1983 scsi_sg_count(cmd), cmd->sc_data_direction);
1984 if (unlikely(!nseg))
1985 goto queuing_error;
1986 else
1987 sp->flags |= SRB_DMA_VALID;
1988
1989 if ((scsi_get_prot_op(cmd) == SCSI_PROT_READ_INSERT) ||
1990 (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_STRIP)) {
1991 struct qla2_sgx sgx;
1992 uint32_t partial;
1993
1994 memset(&sgx, 0, sizeof(struct qla2_sgx));
1995 sgx.tot_bytes = scsi_bufflen(cmd);
1996 sgx.cur_sg = scsi_sglist(cmd);
1997 sgx.sp = sp;
1998
1999 nseg = 0;
2000 while (qla24xx_get_one_block_sg(
2001 cmd->device->sector_size, &sgx, &partial))
2002 nseg++;
2003 }
2004 } else
2005 nseg = 0;
2006
2007
2008 tot_dsds = nseg;
2009
2010
2011 if (qla24xx_configure_prot_mode(sp, &fw_prot_opts)) {
2012 nseg = dma_map_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
2013 scsi_prot_sg_count(cmd), cmd->sc_data_direction);
2014 if (unlikely(!nseg))
2015 goto queuing_error;
2016 else
2017 sp->flags |= SRB_CRC_PROT_DMA_VALID;
2018
2019 if ((scsi_get_prot_op(cmd) == SCSI_PROT_READ_INSERT) ||
2020 (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_STRIP)) {
2021 nseg = scsi_bufflen(cmd) / cmd->device->sector_size;
2022 }
2023 } else {
2024 nseg = 0;
2025 }
2026
2027 req_cnt = 1;
2028
2029 tot_prot_dsds = nseg;
2030 tot_dsds += nseg;
2031 if (req->cnt < (req_cnt + 2)) {
2032 cnt = IS_SHADOW_REG_CAPABLE(ha) ? *req->out_ptr :
2033 RD_REG_DWORD_RELAXED(req->req_q_out);
2034 if (req->ring_index < cnt)
2035 req->cnt = cnt - req->ring_index;
2036 else
2037 req->cnt = req->length -
2038 (req->ring_index - cnt);
2039 if (req->cnt < (req_cnt + 2))
2040 goto queuing_error;
2041 }
2042
2043 status |= QDSS_GOT_Q_SPACE;
2044
2045
2046 req->current_outstanding_cmd = handle;
2047 req->outstanding_cmds[handle] = sp;
2048 sp->handle = handle;
2049 cmd->host_scribble = (unsigned char *)(unsigned long)handle;
2050 req->cnt -= req_cnt;
2051
2052
2053 cmd_pkt = (struct cmd_type_crc_2 *)req->ring_ptr;
2054 cmd_pkt->handle = MAKE_HANDLE(req->id, handle);
2055
2056 clr_ptr = (uint32_t *)cmd_pkt + 2;
2057 memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8);
2058
2059
2060 cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id);
2061 cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa;
2062 cmd_pkt->port_id[1] = sp->fcport->d_id.b.area;
2063 cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain;
2064
2065 int_to_scsilun(cmd->device->lun, &cmd_pkt->lun);
2066 host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun));
2067
2068
2069 cmd_pkt->dseg_count = cpu_to_le16(tot_dsds);
2070
2071
2072 if (qla24xx_build_scsi_crc_2_iocbs(sp, (struct cmd_type_crc_2 *)
2073 req->ring_ptr, tot_dsds, tot_prot_dsds, fw_prot_opts) !=
2074 QLA_SUCCESS)
2075 goto queuing_error;
2076
2077 cmd_pkt->entry_count = (uint8_t)req_cnt;
2078 cmd_pkt->timeout = cpu_to_le16(0);
2079 wmb();
2080
2081
2082 req->ring_index++;
2083 if (req->ring_index == req->length) {
2084 req->ring_index = 0;
2085 req->ring_ptr = req->ring;
2086 } else
2087 req->ring_ptr++;
2088
2089
2090 WRT_REG_DWORD(req->req_q_in, req->ring_index);
2091
2092
2093 if (vha->flags.process_response_queue &&
2094 rsp->ring_ptr->signature != RESPONSE_PROCESSED)
2095 qla24xx_process_response_queue(vha, rsp);
2096
2097 spin_unlock_irqrestore(&qpair->qp_lock, flags);
2098
2099 return QLA_SUCCESS;
2100
2101queuing_error:
2102 if (status & QDSS_GOT_Q_SPACE) {
2103 req->outstanding_cmds[handle] = NULL;
2104 req->cnt += req_cnt;
2105 }
2106
2107
2108 spin_unlock_irqrestore(&qpair->qp_lock, flags);
2109 return QLA_FUNCTION_FAILED;
2110}
2111
2112
2113
2114
2115
2116void *
2117__qla2x00_alloc_iocbs(struct qla_qpair *qpair, srb_t *sp)
2118{
2119 scsi_qla_host_t *vha = qpair->vha;
2120 struct qla_hw_data *ha = vha->hw;
2121 struct req_que *req = qpair->req;
2122 device_reg_t *reg = ISP_QUE_REG(ha, req->id);
2123 uint32_t index, handle;
2124 request_t *pkt;
2125 uint16_t cnt, req_cnt;
2126
2127 pkt = NULL;
2128 req_cnt = 1;
2129 handle = 0;
2130
2131 if (!sp)
2132 goto skip_cmd_array;
2133
2134
2135 handle = req->current_outstanding_cmd;
2136 for (index = 1; index < req->num_outstanding_cmds; index++) {
2137 handle++;
2138 if (handle == req->num_outstanding_cmds)
2139 handle = 1;
2140 if (!req->outstanding_cmds[handle])
2141 break;
2142 }
2143 if (index == req->num_outstanding_cmds) {
2144 ql_log(ql_log_warn, vha, 0x700b,
2145 "No room on outstanding cmd array.\n");
2146 goto queuing_error;
2147 }
2148
2149
2150 req->current_outstanding_cmd = handle;
2151 req->outstanding_cmds[handle] = sp;
2152 sp->handle = handle;
2153
2154
2155 if (sp->type != SRB_SCSI_CMD)
2156 req_cnt = sp->iocbs;
2157
2158skip_cmd_array:
2159
2160 if (req->cnt < req_cnt + 2) {
2161 if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha))
2162 cnt = RD_REG_DWORD(®->isp25mq.req_q_out);
2163 else if (IS_P3P_TYPE(ha))
2164 cnt = RD_REG_DWORD(®->isp82.req_q_out);
2165 else if (IS_FWI2_CAPABLE(ha))
2166 cnt = RD_REG_DWORD(®->isp24.req_q_out);
2167 else if (IS_QLAFX00(ha))
2168 cnt = RD_REG_DWORD(®->ispfx00.req_q_out);
2169 else
2170 cnt = qla2x00_debounce_register(
2171 ISP_REQ_Q_OUT(ha, ®->isp));
2172
2173 if (req->ring_index < cnt)
2174 req->cnt = cnt - req->ring_index;
2175 else
2176 req->cnt = req->length -
2177 (req->ring_index - cnt);
2178 }
2179 if (req->cnt < req_cnt + 2)
2180 goto queuing_error;
2181
2182
2183 req->cnt -= req_cnt;
2184 pkt = req->ring_ptr;
2185 memset(pkt, 0, REQUEST_ENTRY_SIZE);
2186 if (IS_QLAFX00(ha)) {
2187 WRT_REG_BYTE((void __iomem *)&pkt->entry_count, req_cnt);
2188 WRT_REG_WORD((void __iomem *)&pkt->handle, handle);
2189 } else {
2190 pkt->entry_count = req_cnt;
2191 pkt->handle = handle;
2192 }
2193
2194queuing_error:
2195 qpair->tgt_counters.num_alloc_iocb_failed++;
2196 return pkt;
2197}
2198
2199void *
2200qla2x00_alloc_iocbs_ready(struct qla_qpair *qpair, srb_t *sp)
2201{
2202 scsi_qla_host_t *vha = qpair->vha;
2203
2204 if (qla2x00_reset_active(vha))
2205 return NULL;
2206
2207 return __qla2x00_alloc_iocbs(qpair, sp);
2208}
2209
2210void *
2211qla2x00_alloc_iocbs(struct scsi_qla_host *vha, srb_t *sp)
2212{
2213 return __qla2x00_alloc_iocbs(vha->hw->base_qpair, sp);
2214}
2215
2216static void
2217qla24xx_prli_iocb(srb_t *sp, struct logio_entry_24xx *logio)
2218{
2219 struct srb_iocb *lio = &sp->u.iocb_cmd;
2220
2221 logio->entry_type = LOGINOUT_PORT_IOCB_TYPE;
2222 logio->control_flags = cpu_to_le16(LCF_COMMAND_PRLI);
2223 if (lio->u.logio.flags & SRB_LOGIN_NVME_PRLI)
2224 logio->control_flags |= LCF_NVME_PRLI;
2225
2226 logio->nport_handle = cpu_to_le16(sp->fcport->loop_id);
2227 logio->port_id[0] = sp->fcport->d_id.b.al_pa;
2228 logio->port_id[1] = sp->fcport->d_id.b.area;
2229 logio->port_id[2] = sp->fcport->d_id.b.domain;
2230 logio->vp_index = sp->vha->vp_idx;
2231}
2232
2233static void
2234qla24xx_login_iocb(srb_t *sp, struct logio_entry_24xx *logio)
2235{
2236 struct srb_iocb *lio = &sp->u.iocb_cmd;
2237
2238 logio->entry_type = LOGINOUT_PORT_IOCB_TYPE;
2239 logio->control_flags = cpu_to_le16(LCF_COMMAND_PLOGI);
2240
2241 if (lio->u.logio.flags & SRB_LOGIN_COND_PLOGI)
2242 logio->control_flags |= cpu_to_le16(LCF_COND_PLOGI);
2243 if (lio->u.logio.flags & SRB_LOGIN_SKIP_PRLI)
2244 logio->control_flags |= cpu_to_le16(LCF_SKIP_PRLI);
2245 logio->nport_handle = cpu_to_le16(sp->fcport->loop_id);
2246 logio->port_id[0] = sp->fcport->d_id.b.al_pa;
2247 logio->port_id[1] = sp->fcport->d_id.b.area;
2248 logio->port_id[2] = sp->fcport->d_id.b.domain;
2249 logio->vp_index = sp->vha->vp_idx;
2250}
2251
2252static void
2253qla2x00_login_iocb(srb_t *sp, struct mbx_entry *mbx)
2254{
2255 struct qla_hw_data *ha = sp->vha->hw;
2256 struct srb_iocb *lio = &sp->u.iocb_cmd;
2257 uint16_t opts;
2258
2259 mbx->entry_type = MBX_IOCB_TYPE;
2260 SET_TARGET_ID(ha, mbx->loop_id, sp->fcport->loop_id);
2261 mbx->mb0 = cpu_to_le16(MBC_LOGIN_FABRIC_PORT);
2262 opts = lio->u.logio.flags & SRB_LOGIN_COND_PLOGI ? BIT_0 : 0;
2263 opts |= lio->u.logio.flags & SRB_LOGIN_SKIP_PRLI ? BIT_1 : 0;
2264 if (HAS_EXTENDED_IDS(ha)) {
2265 mbx->mb1 = cpu_to_le16(sp->fcport->loop_id);
2266 mbx->mb10 = cpu_to_le16(opts);
2267 } else {
2268 mbx->mb1 = cpu_to_le16((sp->fcport->loop_id << 8) | opts);
2269 }
2270 mbx->mb2 = cpu_to_le16(sp->fcport->d_id.b.domain);
2271 mbx->mb3 = cpu_to_le16(sp->fcport->d_id.b.area << 8 |
2272 sp->fcport->d_id.b.al_pa);
2273 mbx->mb9 = cpu_to_le16(sp->vha->vp_idx);
2274}
2275
2276static void
2277qla24xx_logout_iocb(srb_t *sp, struct logio_entry_24xx *logio)
2278{
2279 logio->entry_type = LOGINOUT_PORT_IOCB_TYPE;
2280 logio->control_flags =
2281 cpu_to_le16(LCF_COMMAND_LOGO|LCF_IMPL_LOGO);
2282 if (!sp->fcport->se_sess ||
2283 !sp->fcport->keep_nport_handle)
2284 logio->control_flags |= cpu_to_le16(LCF_FREE_NPORT);
2285 logio->nport_handle = cpu_to_le16(sp->fcport->loop_id);
2286 logio->port_id[0] = sp->fcport->d_id.b.al_pa;
2287 logio->port_id[1] = sp->fcport->d_id.b.area;
2288 logio->port_id[2] = sp->fcport->d_id.b.domain;
2289 logio->vp_index = sp->vha->vp_idx;
2290}
2291
2292static void
2293qla2x00_logout_iocb(srb_t *sp, struct mbx_entry *mbx)
2294{
2295 struct qla_hw_data *ha = sp->vha->hw;
2296
2297 mbx->entry_type = MBX_IOCB_TYPE;
2298 SET_TARGET_ID(ha, mbx->loop_id, sp->fcport->loop_id);
2299 mbx->mb0 = cpu_to_le16(MBC_LOGOUT_FABRIC_PORT);
2300 mbx->mb1 = HAS_EXTENDED_IDS(ha) ?
2301 cpu_to_le16(sp->fcport->loop_id):
2302 cpu_to_le16(sp->fcport->loop_id << 8);
2303 mbx->mb2 = cpu_to_le16(sp->fcport->d_id.b.domain);
2304 mbx->mb3 = cpu_to_le16(sp->fcport->d_id.b.area << 8 |
2305 sp->fcport->d_id.b.al_pa);
2306 mbx->mb9 = cpu_to_le16(sp->vha->vp_idx);
2307
2308}
2309
2310static void
2311qla24xx_adisc_iocb(srb_t *sp, struct logio_entry_24xx *logio)
2312{
2313 logio->entry_type = LOGINOUT_PORT_IOCB_TYPE;
2314 logio->control_flags = cpu_to_le16(LCF_COMMAND_ADISC);
2315 logio->nport_handle = cpu_to_le16(sp->fcport->loop_id);
2316 logio->vp_index = sp->vha->vp_idx;
2317}
2318
2319static void
2320qla2x00_adisc_iocb(srb_t *sp, struct mbx_entry *mbx)
2321{
2322 struct qla_hw_data *ha = sp->vha->hw;
2323
2324 mbx->entry_type = MBX_IOCB_TYPE;
2325 SET_TARGET_ID(ha, mbx->loop_id, sp->fcport->loop_id);
2326 mbx->mb0 = cpu_to_le16(MBC_GET_PORT_DATABASE);
2327 if (HAS_EXTENDED_IDS(ha)) {
2328 mbx->mb1 = cpu_to_le16(sp->fcport->loop_id);
2329 mbx->mb10 = cpu_to_le16(BIT_0);
2330 } else {
2331 mbx->mb1 = cpu_to_le16((sp->fcport->loop_id << 8) | BIT_0);
2332 }
2333 mbx->mb2 = cpu_to_le16(MSW(ha->async_pd_dma));
2334 mbx->mb3 = cpu_to_le16(LSW(ha->async_pd_dma));
2335 mbx->mb6 = cpu_to_le16(MSW(MSD(ha->async_pd_dma)));
2336 mbx->mb7 = cpu_to_le16(LSW(MSD(ha->async_pd_dma)));
2337 mbx->mb9 = cpu_to_le16(sp->vha->vp_idx);
2338}
2339
2340static void
2341qla24xx_tm_iocb(srb_t *sp, struct tsk_mgmt_entry *tsk)
2342{
2343 uint32_t flags;
2344 uint64_t lun;
2345 struct fc_port *fcport = sp->fcport;
2346 scsi_qla_host_t *vha = fcport->vha;
2347 struct qla_hw_data *ha = vha->hw;
2348 struct srb_iocb *iocb = &sp->u.iocb_cmd;
2349 struct req_que *req = vha->req;
2350
2351 flags = iocb->u.tmf.flags;
2352 lun = iocb->u.tmf.lun;
2353
2354 tsk->entry_type = TSK_MGMT_IOCB_TYPE;
2355 tsk->entry_count = 1;
2356 tsk->handle = MAKE_HANDLE(req->id, tsk->handle);
2357 tsk->nport_handle = cpu_to_le16(fcport->loop_id);
2358 tsk->timeout = cpu_to_le16(ha->r_a_tov / 10 * 2);
2359 tsk->control_flags = cpu_to_le32(flags);
2360 tsk->port_id[0] = fcport->d_id.b.al_pa;
2361 tsk->port_id[1] = fcport->d_id.b.area;
2362 tsk->port_id[2] = fcport->d_id.b.domain;
2363 tsk->vp_index = fcport->vha->vp_idx;
2364
2365 if (flags == TCF_LUN_RESET) {
2366 int_to_scsilun(lun, &tsk->lun);
2367 host_to_fcp_swap((uint8_t *)&tsk->lun,
2368 sizeof(tsk->lun));
2369 }
2370}
2371
2372static void
2373qla2x00_els_dcmd_sp_free(void *data)
2374{
2375 srb_t *sp = data;
2376 struct srb_iocb *elsio = &sp->u.iocb_cmd;
2377
2378 kfree(sp->fcport);
2379
2380 if (elsio->u.els_logo.els_logo_pyld)
2381 dma_free_coherent(&sp->vha->hw->pdev->dev, DMA_POOL_SIZE,
2382 elsio->u.els_logo.els_logo_pyld,
2383 elsio->u.els_logo.els_logo_pyld_dma);
2384
2385 del_timer(&elsio->timer);
2386 qla2x00_rel_sp(sp);
2387}
2388
2389static void
2390qla2x00_els_dcmd_iocb_timeout(void *data)
2391{
2392 srb_t *sp = data;
2393 fc_port_t *fcport = sp->fcport;
2394 struct scsi_qla_host *vha = sp->vha;
2395 struct qla_hw_data *ha = vha->hw;
2396 struct srb_iocb *lio = &sp->u.iocb_cmd;
2397 unsigned long flags = 0;
2398
2399 ql_dbg(ql_dbg_io, vha, 0x3069,
2400 "%s Timeout, hdl=%x, portid=%02x%02x%02x\n",
2401 sp->name, sp->handle, fcport->d_id.b.domain, fcport->d_id.b.area,
2402 fcport->d_id.b.al_pa);
2403
2404
2405 spin_lock_irqsave(&ha->hardware_lock, flags);
2406 if (ha->isp_ops->abort_command(sp)) {
2407 ql_dbg(ql_dbg_io, vha, 0x3070,
2408 "mbx abort_command failed.\n");
2409 } else {
2410 ql_dbg(ql_dbg_io, vha, 0x3071,
2411 "mbx abort_command success.\n");
2412 }
2413 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2414
2415 complete(&lio->u.els_logo.comp);
2416}
2417
2418static void
2419qla2x00_els_dcmd_sp_done(void *ptr, int res)
2420{
2421 srb_t *sp = ptr;
2422 fc_port_t *fcport = sp->fcport;
2423 struct srb_iocb *lio = &sp->u.iocb_cmd;
2424 struct scsi_qla_host *vha = sp->vha;
2425
2426 ql_dbg(ql_dbg_io, vha, 0x3072,
2427 "%s hdl=%x, portid=%02x%02x%02x done\n",
2428 sp->name, sp->handle, fcport->d_id.b.domain,
2429 fcport->d_id.b.area, fcport->d_id.b.al_pa);
2430
2431 complete(&lio->u.els_logo.comp);
2432}
2433
2434int
2435qla24xx_els_dcmd_iocb(scsi_qla_host_t *vha, int els_opcode,
2436 port_id_t remote_did)
2437{
2438 srb_t *sp;
2439 fc_port_t *fcport = NULL;
2440 struct srb_iocb *elsio = NULL;
2441 struct qla_hw_data *ha = vha->hw;
2442 struct els_logo_payload logo_pyld;
2443 int rval = QLA_SUCCESS;
2444
2445 fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2446 if (!fcport) {
2447 ql_log(ql_log_info, vha, 0x70e5, "fcport allocation failed\n");
2448 return -ENOMEM;
2449 }
2450
2451
2452 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
2453 if (!sp) {
2454 kfree(fcport);
2455 ql_log(ql_log_info, vha, 0x70e6,
2456 "SRB allocation failed\n");
2457 return -ENOMEM;
2458 }
2459
2460 elsio = &sp->u.iocb_cmd;
2461 fcport->loop_id = 0xFFFF;
2462 fcport->d_id.b.domain = remote_did.b.domain;
2463 fcport->d_id.b.area = remote_did.b.area;
2464 fcport->d_id.b.al_pa = remote_did.b.al_pa;
2465
2466 ql_dbg(ql_dbg_io, vha, 0x3073, "portid=%02x%02x%02x done\n",
2467 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa);
2468
2469 sp->type = SRB_ELS_DCMD;
2470 sp->name = "ELS_DCMD";
2471 sp->fcport = fcport;
2472 qla2x00_init_timer(sp, ELS_DCMD_TIMEOUT);
2473 elsio->timeout = qla2x00_els_dcmd_iocb_timeout;
2474 sp->done = qla2x00_els_dcmd_sp_done;
2475 sp->free = qla2x00_els_dcmd_sp_free;
2476
2477 elsio->u.els_logo.els_logo_pyld = dma_alloc_coherent(&ha->pdev->dev,
2478 DMA_POOL_SIZE, &elsio->u.els_logo.els_logo_pyld_dma,
2479 GFP_KERNEL);
2480
2481 if (!elsio->u.els_logo.els_logo_pyld) {
2482 sp->free(sp);
2483 return QLA_FUNCTION_FAILED;
2484 }
2485
2486 memset(&logo_pyld, 0, sizeof(struct els_logo_payload));
2487
2488 elsio->u.els_logo.els_cmd = els_opcode;
2489 logo_pyld.opcode = els_opcode;
2490 logo_pyld.s_id[0] = vha->d_id.b.al_pa;
2491 logo_pyld.s_id[1] = vha->d_id.b.area;
2492 logo_pyld.s_id[2] = vha->d_id.b.domain;
2493 host_to_fcp_swap(logo_pyld.s_id, sizeof(uint32_t));
2494 memcpy(&logo_pyld.wwpn, vha->port_name, WWN_SIZE);
2495
2496 memcpy(elsio->u.els_logo.els_logo_pyld, &logo_pyld,
2497 sizeof(struct els_logo_payload));
2498
2499 rval = qla2x00_start_sp(sp);
2500 if (rval != QLA_SUCCESS) {
2501 sp->free(sp);
2502 return QLA_FUNCTION_FAILED;
2503 }
2504
2505 ql_dbg(ql_dbg_io, vha, 0x3074,
2506 "%s LOGO sent, hdl=%x, loopid=%x, portid=%02x%02x%02x.\n",
2507 sp->name, sp->handle, fcport->loop_id, fcport->d_id.b.domain,
2508 fcport->d_id.b.area, fcport->d_id.b.al_pa);
2509
2510 wait_for_completion(&elsio->u.els_logo.comp);
2511
2512 sp->free(sp);
2513 return rval;
2514}
2515
2516static void
2517qla24xx_els_logo_iocb(srb_t *sp, struct els_entry_24xx *els_iocb)
2518{
2519 scsi_qla_host_t *vha = sp->vha;
2520 struct srb_iocb *elsio = &sp->u.iocb_cmd;
2521 uint32_t dsd_len = 24;
2522
2523 els_iocb->entry_type = ELS_IOCB_TYPE;
2524 els_iocb->entry_count = 1;
2525 els_iocb->sys_define = 0;
2526 els_iocb->entry_status = 0;
2527 els_iocb->handle = sp->handle;
2528 els_iocb->nport_handle = cpu_to_le16(sp->fcport->loop_id);
2529 els_iocb->tx_dsd_count = 1;
2530 els_iocb->vp_index = vha->vp_idx;
2531 els_iocb->sof_type = EST_SOFI3;
2532 els_iocb->rx_dsd_count = 0;
2533 els_iocb->opcode = elsio->u.els_logo.els_cmd;
2534
2535 els_iocb->port_id[0] = sp->fcport->d_id.b.al_pa;
2536 els_iocb->port_id[1] = sp->fcport->d_id.b.area;
2537 els_iocb->port_id[2] = sp->fcport->d_id.b.domain;
2538 els_iocb->s_id[0] = vha->d_id.b.al_pa;
2539 els_iocb->s_id[1] = vha->d_id.b.area;
2540 els_iocb->s_id[2] = vha->d_id.b.domain;
2541 els_iocb->control_flags = 0;
2542
2543 if (elsio->u.els_logo.els_cmd == ELS_DCMD_PLOGI) {
2544 els_iocb->tx_byte_count = sizeof(struct els_plogi_payload);
2545 els_iocb->tx_address[0] =
2546 cpu_to_le32(LSD(elsio->u.els_plogi.els_plogi_pyld_dma));
2547 els_iocb->tx_address[1] =
2548 cpu_to_le32(MSD(elsio->u.els_plogi.els_plogi_pyld_dma));
2549 els_iocb->tx_len = dsd_len;
2550
2551 els_iocb->rx_dsd_count = 1;
2552 els_iocb->rx_byte_count = sizeof(struct els_plogi_payload);
2553 els_iocb->rx_address[0] =
2554 cpu_to_le32(LSD(elsio->u.els_plogi.els_resp_pyld_dma));
2555 els_iocb->rx_address[1] =
2556 cpu_to_le32(MSD(elsio->u.els_plogi.els_resp_pyld_dma));
2557 els_iocb->rx_len = dsd_len;
2558 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x3073,
2559 "PLOGI ELS IOCB:\n");
2560 ql_dump_buffer(ql_log_info, vha, 0x0109,
2561 (uint8_t *)els_iocb, 0x70);
2562 } else {
2563 els_iocb->tx_byte_count = sizeof(struct els_logo_payload);
2564 els_iocb->tx_address[0] =
2565 cpu_to_le32(LSD(elsio->u.els_logo.els_logo_pyld_dma));
2566 els_iocb->tx_address[1] =
2567 cpu_to_le32(MSD(elsio->u.els_logo.els_logo_pyld_dma));
2568 els_iocb->tx_len = cpu_to_le32(sizeof(struct els_logo_payload));
2569
2570 els_iocb->rx_byte_count = 0;
2571 els_iocb->rx_address[0] = 0;
2572 els_iocb->rx_address[1] = 0;
2573 els_iocb->rx_len = 0;
2574 }
2575
2576 sp->vha->qla_stats.control_requests++;
2577}
2578
2579static void
2580qla2x00_els_dcmd2_sp_free(void *data)
2581{
2582 srb_t *sp = data;
2583 struct srb_iocb *elsio = &sp->u.iocb_cmd;
2584
2585 if (elsio->u.els_plogi.els_plogi_pyld)
2586 dma_free_coherent(&sp->vha->hw->pdev->dev, DMA_POOL_SIZE,
2587 elsio->u.els_plogi.els_plogi_pyld,
2588 elsio->u.els_plogi.els_plogi_pyld_dma);
2589
2590 if (elsio->u.els_plogi.els_resp_pyld)
2591 dma_free_coherent(&sp->vha->hw->pdev->dev, DMA_POOL_SIZE,
2592 elsio->u.els_plogi.els_resp_pyld,
2593 elsio->u.els_plogi.els_resp_pyld_dma);
2594
2595 del_timer(&elsio->timer);
2596 qla2x00_rel_sp(sp);
2597}
2598
2599static void
2600qla2x00_els_dcmd2_iocb_timeout(void *data)
2601{
2602 srb_t *sp = data;
2603 fc_port_t *fcport = sp->fcport;
2604 struct scsi_qla_host *vha = sp->vha;
2605 struct qla_hw_data *ha = vha->hw;
2606 struct srb_iocb *lio = &sp->u.iocb_cmd;
2607 unsigned long flags = 0;
2608 int res;
2609
2610 ql_dbg(ql_dbg_io + ql_dbg_disc, vha, 0x3069,
2611 "%s hdl=%x ELS Timeout, %8phC portid=%06x\n",
2612 sp->name, sp->handle, fcport->port_name, fcport->d_id.b24);
2613
2614
2615 spin_lock_irqsave(&ha->hardware_lock, flags);
2616 res = ha->isp_ops->abort_command(sp);
2617 ql_dbg(ql_dbg_io, vha, 0x3070,
2618 "mbx abort_command %s\n",
2619 (res == QLA_SUCCESS) ? "successful" : "failed");
2620 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2621
2622 complete(&lio->u.els_plogi.comp);
2623}
2624
2625static void
2626qla2x00_els_dcmd2_sp_done(void *ptr, int res)
2627{
2628 srb_t *sp = ptr;
2629 fc_port_t *fcport = sp->fcport;
2630 struct srb_iocb *lio = &sp->u.iocb_cmd;
2631 struct scsi_qla_host *vha = sp->vha;
2632
2633 ql_dbg(ql_dbg_io + ql_dbg_disc, vha, 0x3072,
2634 "%s ELS hdl=%x, portid=%06x done %8pC\n",
2635 sp->name, sp->handle, fcport->d_id.b24, fcport->port_name);
2636
2637 complete(&lio->u.els_plogi.comp);
2638}
2639
2640int
2641qla24xx_els_dcmd2_iocb(scsi_qla_host_t *vha, int els_opcode,
2642 fc_port_t *fcport, port_id_t remote_did)
2643{
2644 srb_t *sp;
2645 struct srb_iocb *elsio = NULL;
2646 struct qla_hw_data *ha = vha->hw;
2647 int rval = QLA_SUCCESS;
2648 void *ptr, *resp_ptr;
2649 dma_addr_t ptr_dma;
2650
2651
2652 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
2653 if (!sp) {
2654 ql_log(ql_log_info, vha, 0x70e6,
2655 "SRB allocation failed\n");
2656 return -ENOMEM;
2657 }
2658
2659 elsio = &sp->u.iocb_cmd;
2660 fcport->d_id.b.domain = remote_did.b.domain;
2661 fcport->d_id.b.area = remote_did.b.area;
2662 fcport->d_id.b.al_pa = remote_did.b.al_pa;
2663
2664 ql_dbg(ql_dbg_io, vha, 0x3073,
2665 "Enter: PLOGI portid=%06x\n", fcport->d_id.b24);
2666
2667 sp->type = SRB_ELS_DCMD;
2668 sp->name = "ELS_DCMD";
2669 sp->fcport = fcport;
2670 qla2x00_init_timer(sp, ELS_DCMD_TIMEOUT);
2671 elsio->timeout = qla2x00_els_dcmd2_iocb_timeout;
2672 sp->done = qla2x00_els_dcmd2_sp_done;
2673 sp->free = qla2x00_els_dcmd2_sp_free;
2674
2675 ptr = elsio->u.els_plogi.els_plogi_pyld =
2676 dma_alloc_coherent(&ha->pdev->dev, DMA_POOL_SIZE,
2677 &elsio->u.els_plogi.els_plogi_pyld_dma, GFP_KERNEL);
2678 ptr_dma = elsio->u.els_plogi.els_plogi_pyld_dma;
2679
2680 if (!elsio->u.els_plogi.els_plogi_pyld) {
2681 rval = QLA_FUNCTION_FAILED;
2682 goto out;
2683 }
2684
2685 resp_ptr = elsio->u.els_plogi.els_resp_pyld =
2686 dma_alloc_coherent(&ha->pdev->dev, DMA_POOL_SIZE,
2687 &elsio->u.els_plogi.els_resp_pyld_dma, GFP_KERNEL);
2688
2689 if (!elsio->u.els_plogi.els_resp_pyld) {
2690 rval = QLA_FUNCTION_FAILED;
2691 goto out;
2692 }
2693
2694 ql_dbg(ql_dbg_io, vha, 0x3073, "PLOGI %p %p\n", ptr, resp_ptr);
2695
2696 memset(ptr, 0, sizeof(struct els_plogi_payload));
2697 memset(resp_ptr, 0, sizeof(struct els_plogi_payload));
2698 elsio->u.els_plogi.els_cmd = els_opcode;
2699 elsio->u.els_plogi.els_plogi_pyld->opcode = els_opcode;
2700 qla24xx_get_port_login_templ(vha, ptr_dma + 4,
2701 &elsio->u.els_plogi.els_plogi_pyld->data[0],
2702 sizeof(struct els_plogi_payload));
2703
2704 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x3073, "PLOGI buffer:\n");
2705 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x0109,
2706 (uint8_t *)elsio->u.els_plogi.els_plogi_pyld, 0x70);
2707
2708 init_completion(&elsio->u.els_plogi.comp);
2709 rval = qla2x00_start_sp(sp);
2710 if (rval != QLA_SUCCESS) {
2711 rval = QLA_FUNCTION_FAILED;
2712 goto out;
2713 }
2714
2715 ql_dbg(ql_dbg_io, vha, 0x3074,
2716 "%s PLOGI sent, hdl=%x, loopid=%x, portid=%06x\n",
2717 sp->name, sp->handle, fcport->loop_id, fcport->d_id.b24);
2718
2719 wait_for_completion(&elsio->u.els_plogi.comp);
2720
2721 if (elsio->u.els_plogi.comp_status != CS_COMPLETE)
2722 rval = QLA_FUNCTION_FAILED;
2723
2724out:
2725 sp->free(sp);
2726 return rval;
2727}
2728
2729static void
2730qla24xx_els_iocb(srb_t *sp, struct els_entry_24xx *els_iocb)
2731{
2732 struct bsg_job *bsg_job = sp->u.bsg_job;
2733 struct fc_bsg_request *bsg_request = bsg_job->request;
2734
2735 els_iocb->entry_type = ELS_IOCB_TYPE;
2736 els_iocb->entry_count = 1;
2737 els_iocb->sys_define = 0;
2738 els_iocb->entry_status = 0;
2739 els_iocb->handle = sp->handle;
2740 els_iocb->nport_handle = cpu_to_le16(sp->fcport->loop_id);
2741 els_iocb->tx_dsd_count = cpu_to_le16(bsg_job->request_payload.sg_cnt);
2742 els_iocb->vp_index = sp->vha->vp_idx;
2743 els_iocb->sof_type = EST_SOFI3;
2744 els_iocb->rx_dsd_count = cpu_to_le16(bsg_job->reply_payload.sg_cnt);
2745
2746 els_iocb->opcode =
2747 sp->type == SRB_ELS_CMD_RPT ?
2748 bsg_request->rqst_data.r_els.els_code :
2749 bsg_request->rqst_data.h_els.command_code;
2750 els_iocb->port_id[0] = sp->fcport->d_id.b.al_pa;
2751 els_iocb->port_id[1] = sp->fcport->d_id.b.area;
2752 els_iocb->port_id[2] = sp->fcport->d_id.b.domain;
2753 els_iocb->control_flags = 0;
2754 els_iocb->rx_byte_count =
2755 cpu_to_le32(bsg_job->reply_payload.payload_len);
2756 els_iocb->tx_byte_count =
2757 cpu_to_le32(bsg_job->request_payload.payload_len);
2758
2759 els_iocb->tx_address[0] = cpu_to_le32(LSD(sg_dma_address
2760 (bsg_job->request_payload.sg_list)));
2761 els_iocb->tx_address[1] = cpu_to_le32(MSD(sg_dma_address
2762 (bsg_job->request_payload.sg_list)));
2763 els_iocb->tx_len = cpu_to_le32(sg_dma_len
2764 (bsg_job->request_payload.sg_list));
2765
2766 els_iocb->rx_address[0] = cpu_to_le32(LSD(sg_dma_address
2767 (bsg_job->reply_payload.sg_list)));
2768 els_iocb->rx_address[1] = cpu_to_le32(MSD(sg_dma_address
2769 (bsg_job->reply_payload.sg_list)));
2770 els_iocb->rx_len = cpu_to_le32(sg_dma_len
2771 (bsg_job->reply_payload.sg_list));
2772
2773 sp->vha->qla_stats.control_requests++;
2774}
2775
2776static void
2777qla2x00_ct_iocb(srb_t *sp, ms_iocb_entry_t *ct_iocb)
2778{
2779 uint16_t avail_dsds;
2780 uint32_t *cur_dsd;
2781 struct scatterlist *sg;
2782 int index;
2783 uint16_t tot_dsds;
2784 scsi_qla_host_t *vha = sp->vha;
2785 struct qla_hw_data *ha = vha->hw;
2786 struct bsg_job *bsg_job = sp->u.bsg_job;
2787 int loop_iterartion = 0;
2788 int entry_count = 1;
2789
2790 memset(ct_iocb, 0, sizeof(ms_iocb_entry_t));
2791 ct_iocb->entry_type = CT_IOCB_TYPE;
2792 ct_iocb->entry_status = 0;
2793 ct_iocb->handle1 = sp->handle;
2794 SET_TARGET_ID(ha, ct_iocb->loop_id, sp->fcport->loop_id);
2795 ct_iocb->status = cpu_to_le16(0);
2796 ct_iocb->control_flags = cpu_to_le16(0);
2797 ct_iocb->timeout = 0;
2798 ct_iocb->cmd_dsd_count =
2799 cpu_to_le16(bsg_job->request_payload.sg_cnt);
2800 ct_iocb->total_dsd_count =
2801 cpu_to_le16(bsg_job->request_payload.sg_cnt + 1);
2802 ct_iocb->req_bytecount =
2803 cpu_to_le32(bsg_job->request_payload.payload_len);
2804 ct_iocb->rsp_bytecount =
2805 cpu_to_le32(bsg_job->reply_payload.payload_len);
2806
2807 ct_iocb->dseg_req_address[0] = cpu_to_le32(LSD(sg_dma_address
2808 (bsg_job->request_payload.sg_list)));
2809 ct_iocb->dseg_req_address[1] = cpu_to_le32(MSD(sg_dma_address
2810 (bsg_job->request_payload.sg_list)));
2811 ct_iocb->dseg_req_length = ct_iocb->req_bytecount;
2812
2813 ct_iocb->dseg_rsp_address[0] = cpu_to_le32(LSD(sg_dma_address
2814 (bsg_job->reply_payload.sg_list)));
2815 ct_iocb->dseg_rsp_address[1] = cpu_to_le32(MSD(sg_dma_address
2816 (bsg_job->reply_payload.sg_list)));
2817 ct_iocb->dseg_rsp_length = ct_iocb->rsp_bytecount;
2818
2819 avail_dsds = 1;
2820 cur_dsd = (uint32_t *)ct_iocb->dseg_rsp_address;
2821 index = 0;
2822 tot_dsds = bsg_job->reply_payload.sg_cnt;
2823
2824 for_each_sg(bsg_job->reply_payload.sg_list, sg, tot_dsds, index) {
2825 dma_addr_t sle_dma;
2826 cont_a64_entry_t *cont_pkt;
2827
2828
2829 if (avail_dsds == 0) {
2830
2831
2832
2833
2834 cont_pkt = qla2x00_prep_cont_type1_iocb(vha,
2835 vha->hw->req_q_map[0]);
2836 cur_dsd = (uint32_t *) cont_pkt->dseg_0_address;
2837 avail_dsds = 5;
2838 entry_count++;
2839 }
2840
2841 sle_dma = sg_dma_address(sg);
2842 *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
2843 *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
2844 *cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
2845 loop_iterartion++;
2846 avail_dsds--;
2847 }
2848 ct_iocb->entry_count = entry_count;
2849
2850 sp->vha->qla_stats.control_requests++;
2851}
2852
2853static void
2854qla24xx_ct_iocb(srb_t *sp, struct ct_entry_24xx *ct_iocb)
2855{
2856 uint16_t avail_dsds;
2857 uint32_t *cur_dsd;
2858 struct scatterlist *sg;
2859 int index;
2860 uint16_t cmd_dsds, rsp_dsds;
2861 scsi_qla_host_t *vha = sp->vha;
2862 struct qla_hw_data *ha = vha->hw;
2863 struct bsg_job *bsg_job = sp->u.bsg_job;
2864 int entry_count = 1;
2865 cont_a64_entry_t *cont_pkt = NULL;
2866
2867 ct_iocb->entry_type = CT_IOCB_TYPE;
2868 ct_iocb->entry_status = 0;
2869 ct_iocb->sys_define = 0;
2870 ct_iocb->handle = sp->handle;
2871
2872 ct_iocb->nport_handle = cpu_to_le16(sp->fcport->loop_id);
2873 ct_iocb->vp_index = sp->vha->vp_idx;
2874 ct_iocb->comp_status = cpu_to_le16(0);
2875
2876 cmd_dsds = bsg_job->request_payload.sg_cnt;
2877 rsp_dsds = bsg_job->reply_payload.sg_cnt;
2878
2879 ct_iocb->cmd_dsd_count = cpu_to_le16(cmd_dsds);
2880 ct_iocb->timeout = 0;
2881 ct_iocb->rsp_dsd_count = cpu_to_le16(rsp_dsds);
2882 ct_iocb->cmd_byte_count =
2883 cpu_to_le32(bsg_job->request_payload.payload_len);
2884
2885 avail_dsds = 2;
2886 cur_dsd = (uint32_t *)ct_iocb->dseg_0_address;
2887 index = 0;
2888
2889 for_each_sg(bsg_job->request_payload.sg_list, sg, cmd_dsds, index) {
2890 dma_addr_t sle_dma;
2891
2892
2893 if (avail_dsds == 0) {
2894
2895
2896
2897
2898 cont_pkt = qla2x00_prep_cont_type1_iocb(
2899 vha, ha->req_q_map[0]);
2900 cur_dsd = (uint32_t *) cont_pkt->dseg_0_address;
2901 avail_dsds = 5;
2902 entry_count++;
2903 }
2904
2905 sle_dma = sg_dma_address(sg);
2906 *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
2907 *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
2908 *cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
2909 avail_dsds--;
2910 }
2911
2912 index = 0;
2913
2914 for_each_sg(bsg_job->reply_payload.sg_list, sg, rsp_dsds, index) {
2915 dma_addr_t sle_dma;
2916
2917
2918 if (avail_dsds == 0) {
2919
2920
2921
2922
2923 cont_pkt = qla2x00_prep_cont_type1_iocb(vha,
2924 ha->req_q_map[0]);
2925 cur_dsd = (uint32_t *) cont_pkt->dseg_0_address;
2926 avail_dsds = 5;
2927 entry_count++;
2928 }
2929
2930 sle_dma = sg_dma_address(sg);
2931 *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
2932 *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
2933 *cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
2934 avail_dsds--;
2935 }
2936 ct_iocb->entry_count = entry_count;
2937}
2938
2939
2940
2941
2942
2943
2944
2945int
2946qla82xx_start_scsi(srb_t *sp)
2947{
2948 int nseg;
2949 unsigned long flags;
2950 struct scsi_cmnd *cmd;
2951 uint32_t *clr_ptr;
2952 uint32_t index;
2953 uint32_t handle;
2954 uint16_t cnt;
2955 uint16_t req_cnt;
2956 uint16_t tot_dsds;
2957 struct device_reg_82xx __iomem *reg;
2958 uint32_t dbval;
2959 uint32_t *fcp_dl;
2960 uint8_t additional_cdb_len;
2961 struct ct6_dsd *ctx;
2962 struct scsi_qla_host *vha = sp->vha;
2963 struct qla_hw_data *ha = vha->hw;
2964 struct req_que *req = NULL;
2965 struct rsp_que *rsp = NULL;
2966
2967
2968 reg = &ha->iobase->isp82;
2969 cmd = GET_CMD_SP(sp);
2970 req = vha->req;
2971 rsp = ha->rsp_q_map[0];
2972
2973
2974 tot_dsds = 0;
2975
2976 dbval = 0x04 | (ha->portnum << 5);
2977
2978
2979 if (vha->marker_needed != 0) {
2980 if (qla2x00_marker(vha, req,
2981 rsp, 0, 0, MK_SYNC_ALL) != QLA_SUCCESS) {
2982 ql_log(ql_log_warn, vha, 0x300c,
2983 "qla2x00_marker failed for cmd=%p.\n", cmd);
2984 return QLA_FUNCTION_FAILED;
2985 }
2986 vha->marker_needed = 0;
2987 }
2988
2989
2990 spin_lock_irqsave(&ha->hardware_lock, flags);
2991
2992
2993 handle = req->current_outstanding_cmd;
2994 for (index = 1; index < req->num_outstanding_cmds; index++) {
2995 handle++;
2996 if (handle == req->num_outstanding_cmds)
2997 handle = 1;
2998 if (!req->outstanding_cmds[handle])
2999 break;
3000 }
3001 if (index == req->num_outstanding_cmds)
3002 goto queuing_error;
3003
3004
3005 if (scsi_sg_count(cmd)) {
3006 nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
3007 scsi_sg_count(cmd), cmd->sc_data_direction);
3008 if (unlikely(!nseg))
3009 goto queuing_error;
3010 } else
3011 nseg = 0;
3012
3013 tot_dsds = nseg;
3014
3015 if (tot_dsds > ql2xshiftctondsd) {
3016 struct cmd_type_6 *cmd_pkt;
3017 uint16_t more_dsd_lists = 0;
3018 struct dsd_dma *dsd_ptr;
3019 uint16_t i;
3020
3021 more_dsd_lists = qla24xx_calc_dsd_lists(tot_dsds);
3022 if ((more_dsd_lists + ha->gbl_dsd_inuse) >= NUM_DSD_CHAIN) {
3023 ql_dbg(ql_dbg_io, vha, 0x300d,
3024 "Num of DSD list %d is than %d for cmd=%p.\n",
3025 more_dsd_lists + ha->gbl_dsd_inuse, NUM_DSD_CHAIN,
3026 cmd);
3027 goto queuing_error;
3028 }
3029
3030 if (more_dsd_lists <= ha->gbl_dsd_avail)
3031 goto sufficient_dsds;
3032 else
3033 more_dsd_lists -= ha->gbl_dsd_avail;
3034
3035 for (i = 0; i < more_dsd_lists; i++) {
3036 dsd_ptr = kzalloc(sizeof(struct dsd_dma), GFP_ATOMIC);
3037 if (!dsd_ptr) {
3038 ql_log(ql_log_fatal, vha, 0x300e,
3039 "Failed to allocate memory for dsd_dma "
3040 "for cmd=%p.\n", cmd);
3041 goto queuing_error;
3042 }
3043
3044 dsd_ptr->dsd_addr = dma_pool_alloc(ha->dl_dma_pool,
3045 GFP_ATOMIC, &dsd_ptr->dsd_list_dma);
3046 if (!dsd_ptr->dsd_addr) {
3047 kfree(dsd_ptr);
3048 ql_log(ql_log_fatal, vha, 0x300f,
3049 "Failed to allocate memory for dsd_addr "
3050 "for cmd=%p.\n", cmd);
3051 goto queuing_error;
3052 }
3053 list_add_tail(&dsd_ptr->list, &ha->gbl_dsd_list);
3054 ha->gbl_dsd_avail++;
3055 }
3056
3057sufficient_dsds:
3058 req_cnt = 1;
3059
3060 if (req->cnt < (req_cnt + 2)) {
3061 cnt = (uint16_t)RD_REG_DWORD_RELAXED(
3062 ®->req_q_out[0]);
3063 if (req->ring_index < cnt)
3064 req->cnt = cnt - req->ring_index;
3065 else
3066 req->cnt = req->length -
3067 (req->ring_index - cnt);
3068 if (req->cnt < (req_cnt + 2))
3069 goto queuing_error;
3070 }
3071
3072 ctx = sp->u.scmd.ctx =
3073 mempool_alloc(ha->ctx_mempool, GFP_ATOMIC);
3074 if (!ctx) {
3075 ql_log(ql_log_fatal, vha, 0x3010,
3076 "Failed to allocate ctx for cmd=%p.\n", cmd);
3077 goto queuing_error;
3078 }
3079
3080 memset(ctx, 0, sizeof(struct ct6_dsd));
3081 ctx->fcp_cmnd = dma_pool_alloc(ha->fcp_cmnd_dma_pool,
3082 GFP_ATOMIC, &ctx->fcp_cmnd_dma);
3083 if (!ctx->fcp_cmnd) {
3084 ql_log(ql_log_fatal, vha, 0x3011,
3085 "Failed to allocate fcp_cmnd for cmd=%p.\n", cmd);
3086 goto queuing_error;
3087 }
3088
3089
3090 INIT_LIST_HEAD(&ctx->dsd_list);
3091 ctx->dsd_use_cnt = 0;
3092
3093 if (cmd->cmd_len > 16) {
3094 additional_cdb_len = cmd->cmd_len - 16;
3095 if ((cmd->cmd_len % 4) != 0) {
3096
3097
3098
3099 ql_log(ql_log_warn, vha, 0x3012,
3100 "scsi cmd len %d not multiple of 4 "
3101 "for cmd=%p.\n", cmd->cmd_len, cmd);
3102 goto queuing_error_fcp_cmnd;
3103 }
3104 ctx->fcp_cmnd_len = 12 + cmd->cmd_len + 4;
3105 } else {
3106 additional_cdb_len = 0;
3107 ctx->fcp_cmnd_len = 12 + 16 + 4;
3108 }
3109
3110 cmd_pkt = (struct cmd_type_6 *)req->ring_ptr;
3111 cmd_pkt->handle = MAKE_HANDLE(req->id, handle);
3112
3113
3114
3115 clr_ptr = (uint32_t *)cmd_pkt + 2;
3116 memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8);
3117 cmd_pkt->dseg_count = cpu_to_le16(tot_dsds);
3118
3119
3120 cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id);
3121 cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa;
3122 cmd_pkt->port_id[1] = sp->fcport->d_id.b.area;
3123 cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain;
3124 cmd_pkt->vp_index = sp->vha->vp_idx;
3125
3126
3127 if (qla24xx_build_scsi_type_6_iocbs(sp, cmd_pkt, tot_dsds))
3128 goto queuing_error_fcp_cmnd;
3129
3130 int_to_scsilun(cmd->device->lun, &cmd_pkt->lun);
3131 host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun));
3132
3133
3134 memset(ctx->fcp_cmnd, 0, sizeof(struct fcp_cmnd));
3135 int_to_scsilun(cmd->device->lun, &ctx->fcp_cmnd->lun);
3136 ctx->fcp_cmnd->additional_cdb_len = additional_cdb_len;
3137
3138 if (cmd->sc_data_direction == DMA_TO_DEVICE)
3139 ctx->fcp_cmnd->additional_cdb_len |= 1;
3140 else if (cmd->sc_data_direction == DMA_FROM_DEVICE)
3141 ctx->fcp_cmnd->additional_cdb_len |= 2;
3142
3143
3144 if (ha->flags.fcp_prio_enabled)
3145 ctx->fcp_cmnd->task_attribute |=
3146 sp->fcport->fcp_prio << 3;
3147
3148 memcpy(ctx->fcp_cmnd->cdb, cmd->cmnd, cmd->cmd_len);
3149
3150 fcp_dl = (uint32_t *)(ctx->fcp_cmnd->cdb + 16 +
3151 additional_cdb_len);
3152 *fcp_dl = htonl((uint32_t)scsi_bufflen(cmd));
3153
3154 cmd_pkt->fcp_cmnd_dseg_len = cpu_to_le16(ctx->fcp_cmnd_len);
3155 cmd_pkt->fcp_cmnd_dseg_address[0] =
3156 cpu_to_le32(LSD(ctx->fcp_cmnd_dma));
3157 cmd_pkt->fcp_cmnd_dseg_address[1] =
3158 cpu_to_le32(MSD(ctx->fcp_cmnd_dma));
3159
3160 sp->flags |= SRB_FCP_CMND_DMA_VALID;
3161 cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd));
3162
3163 cmd_pkt->entry_count = (uint8_t)req_cnt;
3164
3165
3166
3167 cmd_pkt->entry_status = (uint8_t) rsp->id;
3168 } else {
3169 struct cmd_type_7 *cmd_pkt;
3170 req_cnt = qla24xx_calc_iocbs(vha, tot_dsds);
3171 if (req->cnt < (req_cnt + 2)) {
3172 cnt = (uint16_t)RD_REG_DWORD_RELAXED(
3173 ®->req_q_out[0]);
3174 if (req->ring_index < cnt)
3175 req->cnt = cnt - req->ring_index;
3176 else
3177 req->cnt = req->length -
3178 (req->ring_index - cnt);
3179 }
3180 if (req->cnt < (req_cnt + 2))
3181 goto queuing_error;
3182
3183 cmd_pkt = (struct cmd_type_7 *)req->ring_ptr;
3184 cmd_pkt->handle = MAKE_HANDLE(req->id, handle);
3185
3186
3187
3188 clr_ptr = (uint32_t *)cmd_pkt + 2;
3189 memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8);
3190 cmd_pkt->dseg_count = cpu_to_le16(tot_dsds);
3191
3192
3193 cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id);
3194 cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa;
3195 cmd_pkt->port_id[1] = sp->fcport->d_id.b.area;
3196 cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain;
3197 cmd_pkt->vp_index = sp->vha->vp_idx;
3198
3199 int_to_scsilun(cmd->device->lun, &cmd_pkt->lun);
3200 host_to_fcp_swap((uint8_t *)&cmd_pkt->lun,
3201 sizeof(cmd_pkt->lun));
3202
3203
3204 if (ha->flags.fcp_prio_enabled)
3205 cmd_pkt->task |= sp->fcport->fcp_prio << 3;
3206
3207
3208 memcpy(cmd_pkt->fcp_cdb, cmd->cmnd, cmd->cmd_len);
3209 host_to_fcp_swap(cmd_pkt->fcp_cdb, sizeof(cmd_pkt->fcp_cdb));
3210
3211 cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd));
3212
3213
3214 qla24xx_build_scsi_iocbs(sp, cmd_pkt, tot_dsds, req);
3215
3216
3217 cmd_pkt->entry_count = (uint8_t)req_cnt;
3218
3219
3220
3221 cmd_pkt->entry_status = (uint8_t) rsp->id;
3222
3223 }
3224
3225 req->current_outstanding_cmd = handle;
3226 req->outstanding_cmds[handle] = sp;
3227 sp->handle = handle;
3228 cmd->host_scribble = (unsigned char *)(unsigned long)handle;
3229 req->cnt -= req_cnt;
3230 wmb();
3231
3232
3233 req->ring_index++;
3234 if (req->ring_index == req->length) {
3235 req->ring_index = 0;
3236 req->ring_ptr = req->ring;
3237 } else
3238 req->ring_ptr++;
3239
3240 sp->flags |= SRB_DMA_VALID;
3241
3242
3243
3244 dbval = dbval | (req->id << 8) | (req->ring_index << 16);
3245 if (ql2xdbwr)
3246 qla82xx_wr_32(ha, (uintptr_t __force)ha->nxdb_wr_ptr, dbval);
3247 else {
3248 WRT_REG_DWORD(ha->nxdb_wr_ptr, dbval);
3249 wmb();
3250 while (RD_REG_DWORD(ha->nxdb_rd_ptr) != dbval) {
3251 WRT_REG_DWORD(ha->nxdb_wr_ptr, dbval);
3252 wmb();
3253 }
3254 }
3255
3256
3257 if (vha->flags.process_response_queue &&
3258 rsp->ring_ptr->signature != RESPONSE_PROCESSED)
3259 qla24xx_process_response_queue(vha, rsp);
3260
3261 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3262 return QLA_SUCCESS;
3263
3264queuing_error_fcp_cmnd:
3265 dma_pool_free(ha->fcp_cmnd_dma_pool, ctx->fcp_cmnd, ctx->fcp_cmnd_dma);
3266queuing_error:
3267 if (tot_dsds)
3268 scsi_dma_unmap(cmd);
3269
3270 if (sp->u.scmd.ctx) {
3271 mempool_free(sp->u.scmd.ctx, ha->ctx_mempool);
3272 sp->u.scmd.ctx = NULL;
3273 }
3274 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3275
3276 return QLA_FUNCTION_FAILED;
3277}
3278
3279static void
3280qla24xx_abort_iocb(srb_t *sp, struct abort_entry_24xx *abt_iocb)
3281{
3282 struct srb_iocb *aio = &sp->u.iocb_cmd;
3283 scsi_qla_host_t *vha = sp->vha;
3284 struct req_que *req = vha->req;
3285
3286 memset(abt_iocb, 0, sizeof(struct abort_entry_24xx));
3287 abt_iocb->entry_type = ABORT_IOCB_TYPE;
3288 abt_iocb->entry_count = 1;
3289 abt_iocb->handle = cpu_to_le32(MAKE_HANDLE(req->id, sp->handle));
3290 abt_iocb->nport_handle = cpu_to_le16(sp->fcport->loop_id);
3291 abt_iocb->handle_to_abort =
3292 cpu_to_le32(MAKE_HANDLE(req->id, aio->u.abt.cmd_hndl));
3293 abt_iocb->port_id[0] = sp->fcport->d_id.b.al_pa;
3294 abt_iocb->port_id[1] = sp->fcport->d_id.b.area;
3295 abt_iocb->port_id[2] = sp->fcport->d_id.b.domain;
3296 abt_iocb->vp_index = vha->vp_idx;
3297 abt_iocb->req_que_no = cpu_to_le16(req->id);
3298
3299 wmb();
3300}
3301
3302static void
3303qla2x00_mb_iocb(srb_t *sp, struct mbx_24xx_entry *mbx)
3304{
3305 int i, sz;
3306
3307 mbx->entry_type = MBX_IOCB_TYPE;
3308 mbx->handle = sp->handle;
3309 sz = min(ARRAY_SIZE(mbx->mb), ARRAY_SIZE(sp->u.iocb_cmd.u.mbx.out_mb));
3310
3311 for (i = 0; i < sz; i++)
3312 mbx->mb[i] = cpu_to_le16(sp->u.iocb_cmd.u.mbx.out_mb[i]);
3313}
3314
3315static void
3316qla2x00_ctpthru_cmd_iocb(srb_t *sp, struct ct_entry_24xx *ct_pkt)
3317{
3318 sp->u.iocb_cmd.u.ctarg.iocb = ct_pkt;
3319 qla24xx_prep_ms_iocb(sp->vha, &sp->u.iocb_cmd.u.ctarg);
3320 ct_pkt->handle = sp->handle;
3321}
3322
3323static void qla2x00_send_notify_ack_iocb(srb_t *sp,
3324 struct nack_to_isp *nack)
3325{
3326 struct imm_ntfy_from_isp *ntfy = sp->u.iocb_cmd.u.nack.ntfy;
3327
3328 nack->entry_type = NOTIFY_ACK_TYPE;
3329 nack->entry_count = 1;
3330 nack->ox_id = ntfy->ox_id;
3331
3332 nack->u.isp24.handle = sp->handle;
3333 nack->u.isp24.nport_handle = ntfy->u.isp24.nport_handle;
3334 if (le16_to_cpu(ntfy->u.isp24.status) == IMM_NTFY_ELS) {
3335 nack->u.isp24.flags = ntfy->u.isp24.flags &
3336 cpu_to_le32(NOTIFY24XX_FLAGS_PUREX_IOCB);
3337 }
3338 nack->u.isp24.srr_rx_id = ntfy->u.isp24.srr_rx_id;
3339 nack->u.isp24.status = ntfy->u.isp24.status;
3340 nack->u.isp24.status_subcode = ntfy->u.isp24.status_subcode;
3341 nack->u.isp24.fw_handle = ntfy->u.isp24.fw_handle;
3342 nack->u.isp24.exchange_address = ntfy->u.isp24.exchange_address;
3343 nack->u.isp24.srr_rel_offs = ntfy->u.isp24.srr_rel_offs;
3344 nack->u.isp24.srr_ui = ntfy->u.isp24.srr_ui;
3345 nack->u.isp24.srr_flags = 0;
3346 nack->u.isp24.srr_reject_code = 0;
3347 nack->u.isp24.srr_reject_code_expl = 0;
3348 nack->u.isp24.vp_index = ntfy->u.isp24.vp_index;
3349}
3350
3351
3352
3353
3354static int
3355qla_nvme_ls(srb_t *sp, struct pt_ls4_request *cmd_pkt)
3356{
3357 struct srb_iocb *nvme;
3358 int rval = QLA_SUCCESS;
3359
3360 nvme = &sp->u.iocb_cmd;
3361 cmd_pkt->entry_type = PT_LS4_REQUEST;
3362 cmd_pkt->entry_count = 1;
3363 cmd_pkt->control_flags = CF_LS4_ORIGINATOR << CF_LS4_SHIFT;
3364
3365 cmd_pkt->timeout = cpu_to_le16(nvme->u.nvme.timeout_sec);
3366 cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id);
3367 cmd_pkt->vp_index = sp->fcport->vha->vp_idx;
3368
3369 cmd_pkt->tx_dseg_count = 1;
3370 cmd_pkt->tx_byte_count = nvme->u.nvme.cmd_len;
3371 cmd_pkt->dseg0_len = nvme->u.nvme.cmd_len;
3372 cmd_pkt->dseg0_address[0] = cpu_to_le32(LSD(nvme->u.nvme.cmd_dma));
3373 cmd_pkt->dseg0_address[1] = cpu_to_le32(MSD(nvme->u.nvme.cmd_dma));
3374
3375 cmd_pkt->rx_dseg_count = 1;
3376 cmd_pkt->rx_byte_count = nvme->u.nvme.rsp_len;
3377 cmd_pkt->dseg1_len = nvme->u.nvme.rsp_len;
3378 cmd_pkt->dseg1_address[0] = cpu_to_le32(LSD(nvme->u.nvme.rsp_dma));
3379 cmd_pkt->dseg1_address[1] = cpu_to_le32(MSD(nvme->u.nvme.rsp_dma));
3380
3381 return rval;
3382}
3383
3384int
3385qla2x00_start_sp(srb_t *sp)
3386{
3387 int rval;
3388 scsi_qla_host_t *vha = sp->vha;
3389 struct qla_hw_data *ha = vha->hw;
3390 void *pkt;
3391 unsigned long flags;
3392
3393 rval = QLA_FUNCTION_FAILED;
3394 spin_lock_irqsave(&ha->hardware_lock, flags);
3395 pkt = qla2x00_alloc_iocbs(vha, sp);
3396 if (!pkt) {
3397 ql_log(ql_log_warn, vha, 0x700c,
3398 "qla2x00_alloc_iocbs failed.\n");
3399 goto done;
3400 }
3401
3402 rval = QLA_SUCCESS;
3403 switch (sp->type) {
3404 case SRB_LOGIN_CMD:
3405 IS_FWI2_CAPABLE(ha) ?
3406 qla24xx_login_iocb(sp, pkt) :
3407 qla2x00_login_iocb(sp, pkt);
3408 break;
3409 case SRB_PRLI_CMD:
3410 qla24xx_prli_iocb(sp, pkt);
3411 break;
3412 case SRB_LOGOUT_CMD:
3413 IS_FWI2_CAPABLE(ha) ?
3414 qla24xx_logout_iocb(sp, pkt) :
3415 qla2x00_logout_iocb(sp, pkt);
3416 break;
3417 case SRB_ELS_CMD_RPT:
3418 case SRB_ELS_CMD_HST:
3419 qla24xx_els_iocb(sp, pkt);
3420 break;
3421 case SRB_CT_CMD:
3422 IS_FWI2_CAPABLE(ha) ?
3423 qla24xx_ct_iocb(sp, pkt) :
3424 qla2x00_ct_iocb(sp, pkt);
3425 break;
3426 case SRB_ADISC_CMD:
3427 IS_FWI2_CAPABLE(ha) ?
3428 qla24xx_adisc_iocb(sp, pkt) :
3429 qla2x00_adisc_iocb(sp, pkt);
3430 break;
3431 case SRB_TM_CMD:
3432 IS_QLAFX00(ha) ?
3433 qlafx00_tm_iocb(sp, pkt) :
3434 qla24xx_tm_iocb(sp, pkt);
3435 break;
3436 case SRB_FXIOCB_DCMD:
3437 case SRB_FXIOCB_BCMD:
3438 qlafx00_fxdisc_iocb(sp, pkt);
3439 break;
3440 case SRB_NVME_LS:
3441 qla_nvme_ls(sp, pkt);
3442 break;
3443 case SRB_ABT_CMD:
3444 IS_QLAFX00(ha) ?
3445 qlafx00_abort_iocb(sp, pkt) :
3446 qla24xx_abort_iocb(sp, pkt);
3447 break;
3448 case SRB_ELS_DCMD:
3449 qla24xx_els_logo_iocb(sp, pkt);
3450 break;
3451 case SRB_CT_PTHRU_CMD:
3452 qla2x00_ctpthru_cmd_iocb(sp, pkt);
3453 break;
3454 case SRB_MB_IOCB:
3455 qla2x00_mb_iocb(sp, pkt);
3456 break;
3457 case SRB_NACK_PLOGI:
3458 case SRB_NACK_PRLI:
3459 case SRB_NACK_LOGO:
3460 qla2x00_send_notify_ack_iocb(sp, pkt);
3461 break;
3462 default:
3463 break;
3464 }
3465
3466 wmb();
3467 qla2x00_start_iocbs(vha, ha->req_q_map[0]);
3468done:
3469 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3470 return rval;
3471}
3472
3473static void
3474qla25xx_build_bidir_iocb(srb_t *sp, struct scsi_qla_host *vha,
3475 struct cmd_bidir *cmd_pkt, uint32_t tot_dsds)
3476{
3477 uint16_t avail_dsds;
3478 uint32_t *cur_dsd;
3479 uint32_t req_data_len = 0;
3480 uint32_t rsp_data_len = 0;
3481 struct scatterlist *sg;
3482 int index;
3483 int entry_count = 1;
3484 struct bsg_job *bsg_job = sp->u.bsg_job;
3485
3486
3487 *((uint32_t *)(&cmd_pkt->entry_type)) =
3488 cpu_to_le32(COMMAND_BIDIRECTIONAL);
3489
3490
3491
3492
3493
3494 cmd_pkt->wr_dseg_count = cpu_to_le16(bsg_job->request_payload.sg_cnt);
3495 cmd_pkt->rd_dseg_count = cpu_to_le16(bsg_job->reply_payload.sg_cnt);
3496 cmd_pkt->control_flags = cpu_to_le16(BD_WRITE_DATA | BD_READ_DATA |
3497 BD_WRAP_BACK);
3498
3499 req_data_len = rsp_data_len = bsg_job->request_payload.payload_len;
3500 cmd_pkt->wr_byte_count = cpu_to_le32(req_data_len);
3501 cmd_pkt->rd_byte_count = cpu_to_le32(rsp_data_len);
3502 cmd_pkt->timeout = cpu_to_le16(qla2x00_get_async_timeout(vha) + 2);
3503
3504 vha->bidi_stats.transfer_bytes += req_data_len;
3505 vha->bidi_stats.io_count++;
3506
3507 vha->qla_stats.output_bytes += req_data_len;
3508 vha->qla_stats.output_requests++;
3509
3510
3511
3512
3513 avail_dsds = 1;
3514 cur_dsd = (uint32_t *)&cmd_pkt->fcp_data_dseg_address;
3515
3516 index = 0;
3517
3518 for_each_sg(bsg_job->request_payload.sg_list, sg,
3519 bsg_job->request_payload.sg_cnt, index) {
3520 dma_addr_t sle_dma;
3521 cont_a64_entry_t *cont_pkt;
3522
3523
3524 if (avail_dsds == 0) {
3525
3526
3527
3528 cont_pkt = qla2x00_prep_cont_type1_iocb(vha, vha->req);
3529 cur_dsd = (uint32_t *) cont_pkt->dseg_0_address;
3530 avail_dsds = 5;
3531 entry_count++;
3532 }
3533 sle_dma = sg_dma_address(sg);
3534 *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
3535 *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
3536 *cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
3537 avail_dsds--;
3538 }
3539
3540
3541
3542
3543
3544 for_each_sg(bsg_job->reply_payload.sg_list, sg,
3545 bsg_job->reply_payload.sg_cnt, index) {
3546 dma_addr_t sle_dma;
3547 cont_a64_entry_t *cont_pkt;
3548
3549
3550 if (avail_dsds == 0) {
3551
3552
3553
3554 cont_pkt = qla2x00_prep_cont_type1_iocb(vha, vha->req);
3555 cur_dsd = (uint32_t *) cont_pkt->dseg_0_address;
3556 avail_dsds = 5;
3557 entry_count++;
3558 }
3559 sle_dma = sg_dma_address(sg);
3560 *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
3561 *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
3562 *cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
3563 avail_dsds--;
3564 }
3565
3566 cmd_pkt->entry_count = entry_count;
3567}
3568
3569int
3570qla2x00_start_bidir(srb_t *sp, struct scsi_qla_host *vha, uint32_t tot_dsds)
3571{
3572
3573 struct qla_hw_data *ha = vha->hw;
3574 unsigned long flags;
3575 uint32_t handle;
3576 uint32_t index;
3577 uint16_t req_cnt;
3578 uint16_t cnt;
3579 uint32_t *clr_ptr;
3580 struct cmd_bidir *cmd_pkt = NULL;
3581 struct rsp_que *rsp;
3582 struct req_que *req;
3583 int rval = EXT_STATUS_OK;
3584
3585 rval = QLA_SUCCESS;
3586
3587 rsp = ha->rsp_q_map[0];
3588 req = vha->req;
3589
3590
3591 if (vha->marker_needed != 0) {
3592 if (qla2x00_marker(vha, req,
3593 rsp, 0, 0, MK_SYNC_ALL) != QLA_SUCCESS)
3594 return EXT_STATUS_MAILBOX;
3595 vha->marker_needed = 0;
3596 }
3597
3598
3599 spin_lock_irqsave(&ha->hardware_lock, flags);
3600
3601
3602 handle = req->current_outstanding_cmd;
3603 for (index = 1; index < req->num_outstanding_cmds; index++) {
3604 handle++;
3605 if (handle == req->num_outstanding_cmds)
3606 handle = 1;
3607 if (!req->outstanding_cmds[handle])
3608 break;
3609 }
3610
3611 if (index == req->num_outstanding_cmds) {
3612 rval = EXT_STATUS_BUSY;
3613 goto queuing_error;
3614 }
3615
3616
3617 req_cnt = qla24xx_calc_iocbs(vha, tot_dsds);
3618
3619
3620 if (req->cnt < req_cnt + 2) {
3621 cnt = IS_SHADOW_REG_CAPABLE(ha) ? *req->out_ptr :
3622 RD_REG_DWORD_RELAXED(req->req_q_out);
3623 if (req->ring_index < cnt)
3624 req->cnt = cnt - req->ring_index;
3625 else
3626 req->cnt = req->length -
3627 (req->ring_index - cnt);
3628 }
3629 if (req->cnt < req_cnt + 2) {
3630 rval = EXT_STATUS_BUSY;
3631 goto queuing_error;
3632 }
3633
3634 cmd_pkt = (struct cmd_bidir *)req->ring_ptr;
3635 cmd_pkt->handle = MAKE_HANDLE(req->id, handle);
3636
3637
3638
3639 clr_ptr = (uint32_t *)cmd_pkt + 2;
3640 memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8);
3641
3642
3643 cmd_pkt->nport_handle = cpu_to_le16(vha->self_login_loop_id);
3644 cmd_pkt->port_id[0] = vha->d_id.b.al_pa;
3645 cmd_pkt->port_id[1] = vha->d_id.b.area;
3646 cmd_pkt->port_id[2] = vha->d_id.b.domain;
3647
3648 qla25xx_build_bidir_iocb(sp, vha, cmd_pkt, tot_dsds);
3649 cmd_pkt->entry_status = (uint8_t) rsp->id;
3650
3651 req->current_outstanding_cmd = handle;
3652 req->outstanding_cmds[handle] = sp;
3653 sp->handle = handle;
3654 req->cnt -= req_cnt;
3655
3656
3657 wmb();
3658 qla2x00_start_iocbs(vha, req);
3659queuing_error:
3660 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3661 return rval;
3662}
3663