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IB/qib: Fix issue with link states and QSFP cables
[deliverable/linux.git] / drivers / scsi / qla2xxx / qla_bsg.c
1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2011 QLogic Corporation
4 *
5 * See LICENSE.qla2xxx for copyright and licensing details.
6 */
7 #include "qla_def.h"
8
9 #include <linux/kthread.h>
10 #include <linux/vmalloc.h>
11 #include <linux/delay.h>
12
13 /* BSG support for ELS/CT pass through */
14 inline srb_t *
15 qla2x00_get_ctx_bsg_sp(scsi_qla_host_t *vha, fc_port_t *fcport, size_t size)
16 {
17 srb_t *sp;
18 struct qla_hw_data *ha = vha->hw;
19 struct srb_ctx *ctx;
20
21 sp = mempool_alloc(ha->srb_mempool, GFP_KERNEL);
22 if (!sp)
23 goto done;
24 ctx = kzalloc(size, GFP_KERNEL);
25 if (!ctx) {
26 mempool_free(sp, ha->srb_mempool);
27 sp = NULL;
28 goto done;
29 }
30
31 memset(sp, 0, sizeof(*sp));
32 sp->fcport = fcport;
33 sp->ctx = ctx;
34 done:
35 return sp;
36 }
37
38 int
39 qla24xx_fcp_prio_cfg_valid(scsi_qla_host_t *vha,
40 struct qla_fcp_prio_cfg *pri_cfg, uint8_t flag)
41 {
42 int i, ret, num_valid;
43 uint8_t *bcode;
44 struct qla_fcp_prio_entry *pri_entry;
45 uint32_t *bcode_val_ptr, bcode_val;
46
47 ret = 1;
48 num_valid = 0;
49 bcode = (uint8_t *)pri_cfg;
50 bcode_val_ptr = (uint32_t *)pri_cfg;
51 bcode_val = (uint32_t)(*bcode_val_ptr);
52
53 if (bcode_val == 0xFFFFFFFF) {
54 /* No FCP Priority config data in flash */
55 ql_dbg(ql_dbg_user, vha, 0x7051,
56 "No FCP Priority config data.\n");
57 return 0;
58 }
59
60 if (bcode[0] != 'H' || bcode[1] != 'Q' || bcode[2] != 'O' ||
61 bcode[3] != 'S') {
62 /* Invalid FCP priority data header*/
63 ql_dbg(ql_dbg_user, vha, 0x7052,
64 "Invalid FCP Priority data header. bcode=0x%x.\n",
65 bcode_val);
66 return 0;
67 }
68 if (flag != 1)
69 return ret;
70
71 pri_entry = &pri_cfg->entry[0];
72 for (i = 0; i < pri_cfg->num_entries; i++) {
73 if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
74 num_valid++;
75 pri_entry++;
76 }
77
78 if (num_valid == 0) {
79 /* No valid FCP priority data entries */
80 ql_dbg(ql_dbg_user, vha, 0x7053,
81 "No valid FCP Priority data entries.\n");
82 ret = 0;
83 } else {
84 /* FCP priority data is valid */
85 ql_dbg(ql_dbg_user, vha, 0x7054,
86 "Valid FCP priority data. num entries = %d.\n",
87 num_valid);
88 }
89
90 return ret;
91 }
92
93 static int
94 qla24xx_proc_fcp_prio_cfg_cmd(struct fc_bsg_job *bsg_job)
95 {
96 struct Scsi_Host *host = bsg_job->shost;
97 scsi_qla_host_t *vha = shost_priv(host);
98 struct qla_hw_data *ha = vha->hw;
99 int ret = 0;
100 uint32_t len;
101 uint32_t oper;
102
103 bsg_job->reply->reply_payload_rcv_len = 0;
104
105 if (!(IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))) {
106 ret = -EINVAL;
107 goto exit_fcp_prio_cfg;
108 }
109
110 if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
111 test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
112 test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
113 ret = -EBUSY;
114 goto exit_fcp_prio_cfg;
115 }
116
117 /* Get the sub command */
118 oper = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
119
120 /* Only set config is allowed if config memory is not allocated */
121 if (!ha->fcp_prio_cfg && (oper != QLFC_FCP_PRIO_SET_CONFIG)) {
122 ret = -EINVAL;
123 goto exit_fcp_prio_cfg;
124 }
125 switch (oper) {
126 case QLFC_FCP_PRIO_DISABLE:
127 if (ha->flags.fcp_prio_enabled) {
128 ha->flags.fcp_prio_enabled = 0;
129 ha->fcp_prio_cfg->attributes &=
130 ~FCP_PRIO_ATTR_ENABLE;
131 qla24xx_update_all_fcp_prio(vha);
132 bsg_job->reply->result = DID_OK;
133 } else {
134 ret = -EINVAL;
135 bsg_job->reply->result = (DID_ERROR << 16);
136 goto exit_fcp_prio_cfg;
137 }
138 break;
139
140 case QLFC_FCP_PRIO_ENABLE:
141 if (!ha->flags.fcp_prio_enabled) {
142 if (ha->fcp_prio_cfg) {
143 ha->flags.fcp_prio_enabled = 1;
144 ha->fcp_prio_cfg->attributes |=
145 FCP_PRIO_ATTR_ENABLE;
146 qla24xx_update_all_fcp_prio(vha);
147 bsg_job->reply->result = DID_OK;
148 } else {
149 ret = -EINVAL;
150 bsg_job->reply->result = (DID_ERROR << 16);
151 goto exit_fcp_prio_cfg;
152 }
153 }
154 break;
155
156 case QLFC_FCP_PRIO_GET_CONFIG:
157 len = bsg_job->reply_payload.payload_len;
158 if (!len || len > FCP_PRIO_CFG_SIZE) {
159 ret = -EINVAL;
160 bsg_job->reply->result = (DID_ERROR << 16);
161 goto exit_fcp_prio_cfg;
162 }
163
164 bsg_job->reply->result = DID_OK;
165 bsg_job->reply->reply_payload_rcv_len =
166 sg_copy_from_buffer(
167 bsg_job->reply_payload.sg_list,
168 bsg_job->reply_payload.sg_cnt, ha->fcp_prio_cfg,
169 len);
170
171 break;
172
173 case QLFC_FCP_PRIO_SET_CONFIG:
174 len = bsg_job->request_payload.payload_len;
175 if (!len || len > FCP_PRIO_CFG_SIZE) {
176 bsg_job->reply->result = (DID_ERROR << 16);
177 ret = -EINVAL;
178 goto exit_fcp_prio_cfg;
179 }
180
181 if (!ha->fcp_prio_cfg) {
182 ha->fcp_prio_cfg = vmalloc(FCP_PRIO_CFG_SIZE);
183 if (!ha->fcp_prio_cfg) {
184 ql_log(ql_log_warn, vha, 0x7050,
185 "Unable to allocate memory for fcp prio "
186 "config data (%x).\n", FCP_PRIO_CFG_SIZE);
187 bsg_job->reply->result = (DID_ERROR << 16);
188 ret = -ENOMEM;
189 goto exit_fcp_prio_cfg;
190 }
191 }
192
193 memset(ha->fcp_prio_cfg, 0, FCP_PRIO_CFG_SIZE);
194 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
195 bsg_job->request_payload.sg_cnt, ha->fcp_prio_cfg,
196 FCP_PRIO_CFG_SIZE);
197
198 /* validate fcp priority data */
199
200 if (!qla24xx_fcp_prio_cfg_valid(vha,
201 (struct qla_fcp_prio_cfg *) ha->fcp_prio_cfg, 1)) {
202 bsg_job->reply->result = (DID_ERROR << 16);
203 ret = -EINVAL;
204 /* If buffer was invalidatic int
205 * fcp_prio_cfg is of no use
206 */
207 vfree(ha->fcp_prio_cfg);
208 ha->fcp_prio_cfg = NULL;
209 goto exit_fcp_prio_cfg;
210 }
211
212 ha->flags.fcp_prio_enabled = 0;
213 if (ha->fcp_prio_cfg->attributes & FCP_PRIO_ATTR_ENABLE)
214 ha->flags.fcp_prio_enabled = 1;
215 qla24xx_update_all_fcp_prio(vha);
216 bsg_job->reply->result = DID_OK;
217 break;
218 default:
219 ret = -EINVAL;
220 break;
221 }
222 exit_fcp_prio_cfg:
223 bsg_job->job_done(bsg_job);
224 return ret;
225 }
226 static int
227 qla2x00_process_els(struct fc_bsg_job *bsg_job)
228 {
229 struct fc_rport *rport;
230 fc_port_t *fcport = NULL;
231 struct Scsi_Host *host;
232 scsi_qla_host_t *vha;
233 struct qla_hw_data *ha;
234 srb_t *sp;
235 const char *type;
236 int req_sg_cnt, rsp_sg_cnt;
237 int rval = (DRIVER_ERROR << 16);
238 uint16_t nextlid = 0;
239 struct srb_ctx *els;
240
241 if (bsg_job->request->msgcode == FC_BSG_RPT_ELS) {
242 rport = bsg_job->rport;
243 fcport = *(fc_port_t **) rport->dd_data;
244 host = rport_to_shost(rport);
245 vha = shost_priv(host);
246 ha = vha->hw;
247 type = "FC_BSG_RPT_ELS";
248 } else {
249 host = bsg_job->shost;
250 vha = shost_priv(host);
251 ha = vha->hw;
252 type = "FC_BSG_HST_ELS_NOLOGIN";
253 }
254
255 /* pass through is supported only for ISP 4Gb or higher */
256 if (!IS_FWI2_CAPABLE(ha)) {
257 ql_dbg(ql_dbg_user, vha, 0x7001,
258 "ELS passthru not supported for ISP23xx based adapters.\n");
259 rval = -EPERM;
260 goto done;
261 }
262
263 /* Multiple SG's are not supported for ELS requests */
264 if (bsg_job->request_payload.sg_cnt > 1 ||
265 bsg_job->reply_payload.sg_cnt > 1) {
266 ql_dbg(ql_dbg_user, vha, 0x7002,
267 "Multiple SG's are not suppored for ELS requests, "
268 "request_sg_cnt=%x reply_sg_cnt=%x.\n",
269 bsg_job->request_payload.sg_cnt,
270 bsg_job->reply_payload.sg_cnt);
271 rval = -EPERM;
272 goto done;
273 }
274
275 /* ELS request for rport */
276 if (bsg_job->request->msgcode == FC_BSG_RPT_ELS) {
277 /* make sure the rport is logged in,
278 * if not perform fabric login
279 */
280 if (qla2x00_fabric_login(vha, fcport, &nextlid)) {
281 ql_dbg(ql_dbg_user, vha, 0x7003,
282 "Failed to login port %06X for ELS passthru.\n",
283 fcport->d_id.b24);
284 rval = -EIO;
285 goto done;
286 }
287 } else {
288 /* Allocate a dummy fcport structure, since functions
289 * preparing the IOCB and mailbox command retrieves port
290 * specific information from fcport structure. For Host based
291 * ELS commands there will be no fcport structure allocated
292 */
293 fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
294 if (!fcport) {
295 rval = -ENOMEM;
296 goto done;
297 }
298
299 /* Initialize all required fields of fcport */
300 fcport->vha = vha;
301 fcport->vp_idx = vha->vp_idx;
302 fcport->d_id.b.al_pa =
303 bsg_job->request->rqst_data.h_els.port_id[0];
304 fcport->d_id.b.area =
305 bsg_job->request->rqst_data.h_els.port_id[1];
306 fcport->d_id.b.domain =
307 bsg_job->request->rqst_data.h_els.port_id[2];
308 fcport->loop_id =
309 (fcport->d_id.b.al_pa == 0xFD) ?
310 NPH_FABRIC_CONTROLLER : NPH_F_PORT;
311 }
312
313 if (!vha->flags.online) {
314 ql_log(ql_log_warn, vha, 0x7005, "Host not online.\n");
315 rval = -EIO;
316 goto done;
317 }
318
319 req_sg_cnt =
320 dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
321 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
322 if (!req_sg_cnt) {
323 rval = -ENOMEM;
324 goto done_free_fcport;
325 }
326
327 rsp_sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
328 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
329 if (!rsp_sg_cnt) {
330 rval = -ENOMEM;
331 goto done_free_fcport;
332 }
333
334 if ((req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
335 (rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
336 ql_log(ql_log_warn, vha, 0x7008,
337 "dma mapping resulted in different sg counts, "
338 "request_sg_cnt: %x dma_request_sg_cnt:%x reply_sg_cnt:%x "
339 "dma_reply_sg_cnt:%x.\n", bsg_job->request_payload.sg_cnt,
340 req_sg_cnt, bsg_job->reply_payload.sg_cnt, rsp_sg_cnt);
341 rval = -EAGAIN;
342 goto done_unmap_sg;
343 }
344
345 /* Alloc SRB structure */
346 sp = qla2x00_get_ctx_bsg_sp(vha, fcport, sizeof(struct srb_ctx));
347 if (!sp) {
348 rval = -ENOMEM;
349 goto done_unmap_sg;
350 }
351
352 els = sp->ctx;
353 els->type =
354 (bsg_job->request->msgcode == FC_BSG_RPT_ELS ?
355 SRB_ELS_CMD_RPT : SRB_ELS_CMD_HST);
356 els->name =
357 (bsg_job->request->msgcode == FC_BSG_RPT_ELS ?
358 "bsg_els_rpt" : "bsg_els_hst");
359 els->u.bsg_job = bsg_job;
360
361 ql_dbg(ql_dbg_user, vha, 0x700a,
362 "bsg rqst type: %s els type: %x - loop-id=%x "
363 "portid=%-2x%02x%02x.\n", type,
364 bsg_job->request->rqst_data.h_els.command_code, fcport->loop_id,
365 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa);
366
367 rval = qla2x00_start_sp(sp);
368 if (rval != QLA_SUCCESS) {
369 ql_log(ql_log_warn, vha, 0x700e,
370 "qla2x00_start_sp failed = %d\n", rval);
371 kfree(sp->ctx);
372 mempool_free(sp, ha->srb_mempool);
373 rval = -EIO;
374 goto done_unmap_sg;
375 }
376 return rval;
377
378 done_unmap_sg:
379 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
380 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
381 dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
382 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
383 goto done_free_fcport;
384
385 done_free_fcport:
386 if (bsg_job->request->msgcode == FC_BSG_HST_ELS_NOLOGIN)
387 kfree(fcport);
388 done:
389 return rval;
390 }
391
392 static int
393 qla2x00_process_ct(struct fc_bsg_job *bsg_job)
394 {
395 srb_t *sp;
396 struct Scsi_Host *host = bsg_job->shost;
397 scsi_qla_host_t *vha = shost_priv(host);
398 struct qla_hw_data *ha = vha->hw;
399 int rval = (DRIVER_ERROR << 16);
400 int req_sg_cnt, rsp_sg_cnt;
401 uint16_t loop_id;
402 struct fc_port *fcport;
403 char *type = "FC_BSG_HST_CT";
404 struct srb_ctx *ct;
405
406 req_sg_cnt =
407 dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
408 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
409 if (!req_sg_cnt) {
410 ql_log(ql_log_warn, vha, 0x700f,
411 "dma_map_sg return %d for request\n", req_sg_cnt);
412 rval = -ENOMEM;
413 goto done;
414 }
415
416 rsp_sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
417 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
418 if (!rsp_sg_cnt) {
419 ql_log(ql_log_warn, vha, 0x7010,
420 "dma_map_sg return %d for reply\n", rsp_sg_cnt);
421 rval = -ENOMEM;
422 goto done;
423 }
424
425 if ((req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
426 (rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
427 ql_log(ql_log_warn, vha, 0x7011,
428 "request_sg_cnt: %x dma_request_sg_cnt: %x reply_sg_cnt:%x "
429 "dma_reply_sg_cnt: %x\n", bsg_job->request_payload.sg_cnt,
430 req_sg_cnt, bsg_job->reply_payload.sg_cnt, rsp_sg_cnt);
431 rval = -EAGAIN;
432 goto done_unmap_sg;
433 }
434
435 if (!vha->flags.online) {
436 ql_log(ql_log_warn, vha, 0x7012,
437 "Host is not online.\n");
438 rval = -EIO;
439 goto done_unmap_sg;
440 }
441
442 loop_id =
443 (bsg_job->request->rqst_data.h_ct.preamble_word1 & 0xFF000000)
444 >> 24;
445 switch (loop_id) {
446 case 0xFC:
447 loop_id = cpu_to_le16(NPH_SNS);
448 break;
449 case 0xFA:
450 loop_id = vha->mgmt_svr_loop_id;
451 break;
452 default:
453 ql_dbg(ql_dbg_user, vha, 0x7013,
454 "Unknown loop id: %x.\n", loop_id);
455 rval = -EINVAL;
456 goto done_unmap_sg;
457 }
458
459 /* Allocate a dummy fcport structure, since functions preparing the
460 * IOCB and mailbox command retrieves port specific information
461 * from fcport structure. For Host based ELS commands there will be
462 * no fcport structure allocated
463 */
464 fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
465 if (!fcport) {
466 ql_log(ql_log_warn, vha, 0x7014,
467 "Failed to allocate fcport.\n");
468 rval = -ENOMEM;
469 goto done_unmap_sg;
470 }
471
472 /* Initialize all required fields of fcport */
473 fcport->vha = vha;
474 fcport->vp_idx = vha->vp_idx;
475 fcport->d_id.b.al_pa = bsg_job->request->rqst_data.h_ct.port_id[0];
476 fcport->d_id.b.area = bsg_job->request->rqst_data.h_ct.port_id[1];
477 fcport->d_id.b.domain = bsg_job->request->rqst_data.h_ct.port_id[2];
478 fcport->loop_id = loop_id;
479
480 /* Alloc SRB structure */
481 sp = qla2x00_get_ctx_bsg_sp(vha, fcport, sizeof(struct srb_ctx));
482 if (!sp) {
483 ql_log(ql_log_warn, vha, 0x7015,
484 "qla2x00_get_ctx_bsg_sp failed.\n");
485 rval = -ENOMEM;
486 goto done_free_fcport;
487 }
488
489 ct = sp->ctx;
490 ct->type = SRB_CT_CMD;
491 ct->name = "bsg_ct";
492 ct->u.bsg_job = bsg_job;
493
494 ql_dbg(ql_dbg_user, vha, 0x7016,
495 "bsg rqst type: %s else type: %x - "
496 "loop-id=%x portid=%02x%02x%02x.\n", type,
497 (bsg_job->request->rqst_data.h_ct.preamble_word2 >> 16),
498 fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area,
499 fcport->d_id.b.al_pa);
500
501 rval = qla2x00_start_sp(sp);
502 if (rval != QLA_SUCCESS) {
503 ql_log(ql_log_warn, vha, 0x7017,
504 "qla2x00_start_sp failed=%d.\n", rval);
505 kfree(sp->ctx);
506 mempool_free(sp, ha->srb_mempool);
507 rval = -EIO;
508 goto done_free_fcport;
509 }
510 return rval;
511
512 done_free_fcport:
513 kfree(fcport);
514 done_unmap_sg:
515 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
516 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
517 dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
518 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
519 done:
520 return rval;
521 }
522
523 /* Set the port configuration to enable the
524 * internal loopback on ISP81XX
525 */
526 static inline int
527 qla81xx_set_internal_loopback(scsi_qla_host_t *vha, uint16_t *config,
528 uint16_t *new_config)
529 {
530 int ret = 0;
531 int rval = 0;
532 struct qla_hw_data *ha = vha->hw;
533
534 if (!IS_QLA81XX(ha))
535 goto done_set_internal;
536
537 new_config[0] = config[0] | (ENABLE_INTERNAL_LOOPBACK << 1);
538 memcpy(&new_config[1], &config[1], sizeof(uint16_t) * 3) ;
539
540 ha->notify_dcbx_comp = 1;
541 ret = qla81xx_set_port_config(vha, new_config);
542 if (ret != QLA_SUCCESS) {
543 ql_log(ql_log_warn, vha, 0x7021,
544 "set port config failed.\n");
545 ha->notify_dcbx_comp = 0;
546 rval = -EINVAL;
547 goto done_set_internal;
548 }
549
550 /* Wait for DCBX complete event */
551 if (!wait_for_completion_timeout(&ha->dcbx_comp, (20 * HZ))) {
552 ql_dbg(ql_dbg_user, vha, 0x7022,
553 "State change notification not received.\n");
554 } else
555 ql_dbg(ql_dbg_user, vha, 0x7023,
556 "State change received.\n");
557
558 ha->notify_dcbx_comp = 0;
559
560 done_set_internal:
561 return rval;
562 }
563
564 /* Set the port configuration to disable the
565 * internal loopback on ISP81XX
566 */
567 static inline int
568 qla81xx_reset_internal_loopback(scsi_qla_host_t *vha, uint16_t *config,
569 int wait)
570 {
571 int ret = 0;
572 int rval = 0;
573 uint16_t new_config[4];
574 struct qla_hw_data *ha = vha->hw;
575
576 if (!IS_QLA81XX(ha))
577 goto done_reset_internal;
578
579 memset(new_config, 0 , sizeof(new_config));
580 if ((config[0] & INTERNAL_LOOPBACK_MASK) >> 1 ==
581 ENABLE_INTERNAL_LOOPBACK) {
582 new_config[0] = config[0] & ~INTERNAL_LOOPBACK_MASK;
583 memcpy(&new_config[1], &config[1], sizeof(uint16_t) * 3) ;
584
585 ha->notify_dcbx_comp = wait;
586 ret = qla81xx_set_port_config(vha, new_config);
587 if (ret != QLA_SUCCESS) {
588 ql_log(ql_log_warn, vha, 0x7025,
589 "Set port config failed.\n");
590 ha->notify_dcbx_comp = 0;
591 rval = -EINVAL;
592 goto done_reset_internal;
593 }
594
595 /* Wait for DCBX complete event */
596 if (wait && !wait_for_completion_timeout(&ha->dcbx_comp,
597 (20 * HZ))) {
598 ql_dbg(ql_dbg_user, vha, 0x7026,
599 "State change notification not received.\n");
600 ha->notify_dcbx_comp = 0;
601 rval = -EINVAL;
602 goto done_reset_internal;
603 } else
604 ql_dbg(ql_dbg_user, vha, 0x7027,
605 "State change received.\n");
606
607 ha->notify_dcbx_comp = 0;
608 }
609 done_reset_internal:
610 return rval;
611 }
612
613 static int
614 qla2x00_process_loopback(struct fc_bsg_job *bsg_job)
615 {
616 struct Scsi_Host *host = bsg_job->shost;
617 scsi_qla_host_t *vha = shost_priv(host);
618 struct qla_hw_data *ha = vha->hw;
619 int rval;
620 uint8_t command_sent;
621 char *type;
622 struct msg_echo_lb elreq;
623 uint16_t response[MAILBOX_REGISTER_COUNT];
624 uint16_t config[4], new_config[4];
625 uint8_t *fw_sts_ptr;
626 uint8_t *req_data = NULL;
627 dma_addr_t req_data_dma;
628 uint32_t req_data_len;
629 uint8_t *rsp_data = NULL;
630 dma_addr_t rsp_data_dma;
631 uint32_t rsp_data_len;
632
633 if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
634 test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
635 test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
636 ql_log(ql_log_warn, vha, 0x7018, "Abort active or needed.\n");
637 return -EBUSY;
638 }
639
640 if (!vha->flags.online) {
641 ql_log(ql_log_warn, vha, 0x7019, "Host is not online.\n");
642 return -EIO;
643 }
644
645 elreq.req_sg_cnt = dma_map_sg(&ha->pdev->dev,
646 bsg_job->request_payload.sg_list, bsg_job->request_payload.sg_cnt,
647 DMA_TO_DEVICE);
648
649 if (!elreq.req_sg_cnt) {
650 ql_log(ql_log_warn, vha, 0x701a,
651 "dma_map_sg returned %d for request.\n", elreq.req_sg_cnt);
652 return -ENOMEM;
653 }
654
655 elreq.rsp_sg_cnt = dma_map_sg(&ha->pdev->dev,
656 bsg_job->reply_payload.sg_list, bsg_job->reply_payload.sg_cnt,
657 DMA_FROM_DEVICE);
658
659 if (!elreq.rsp_sg_cnt) {
660 ql_log(ql_log_warn, vha, 0x701b,
661 "dma_map_sg returned %d for reply.\n", elreq.rsp_sg_cnt);
662 rval = -ENOMEM;
663 goto done_unmap_req_sg;
664 }
665
666 if ((elreq.req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
667 (elreq.rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
668 ql_log(ql_log_warn, vha, 0x701c,
669 "dma mapping resulted in different sg counts, "
670 "request_sg_cnt: %x dma_request_sg_cnt: %x "
671 "reply_sg_cnt: %x dma_reply_sg_cnt: %x.\n",
672 bsg_job->request_payload.sg_cnt, elreq.req_sg_cnt,
673 bsg_job->reply_payload.sg_cnt, elreq.rsp_sg_cnt);
674 rval = -EAGAIN;
675 goto done_unmap_sg;
676 }
677 req_data_len = rsp_data_len = bsg_job->request_payload.payload_len;
678 req_data = dma_alloc_coherent(&ha->pdev->dev, req_data_len,
679 &req_data_dma, GFP_KERNEL);
680 if (!req_data) {
681 ql_log(ql_log_warn, vha, 0x701d,
682 "dma alloc failed for req_data.\n");
683 rval = -ENOMEM;
684 goto done_unmap_sg;
685 }
686
687 rsp_data = dma_alloc_coherent(&ha->pdev->dev, rsp_data_len,
688 &rsp_data_dma, GFP_KERNEL);
689 if (!rsp_data) {
690 ql_log(ql_log_warn, vha, 0x7004,
691 "dma alloc failed for rsp_data.\n");
692 rval = -ENOMEM;
693 goto done_free_dma_req;
694 }
695
696 /* Copy the request buffer in req_data now */
697 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
698 bsg_job->request_payload.sg_cnt, req_data, req_data_len);
699
700 elreq.send_dma = req_data_dma;
701 elreq.rcv_dma = rsp_data_dma;
702 elreq.transfer_size = req_data_len;
703
704 elreq.options = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
705
706 if ((ha->current_topology == ISP_CFG_F ||
707 (IS_QLA81XX(ha) &&
708 le32_to_cpu(*(uint32_t *)req_data) == ELS_OPCODE_BYTE
709 && req_data_len == MAX_ELS_FRAME_PAYLOAD)) &&
710 elreq.options == EXTERNAL_LOOPBACK) {
711 type = "FC_BSG_HST_VENDOR_ECHO_DIAG";
712 ql_dbg(ql_dbg_user, vha, 0x701e,
713 "BSG request type: %s.\n", type);
714 command_sent = INT_DEF_LB_ECHO_CMD;
715 rval = qla2x00_echo_test(vha, &elreq, response);
716 } else {
717 if (IS_QLA81XX(ha)) {
718 memset(config, 0, sizeof(config));
719 memset(new_config, 0, sizeof(new_config));
720 if (qla81xx_get_port_config(vha, config)) {
721 ql_log(ql_log_warn, vha, 0x701f,
722 "Get port config failed.\n");
723 bsg_job->reply->reply_payload_rcv_len = 0;
724 bsg_job->reply->result = (DID_ERROR << 16);
725 rval = -EPERM;
726 goto done_free_dma_req;
727 }
728
729 if (elreq.options != EXTERNAL_LOOPBACK) {
730 ql_dbg(ql_dbg_user, vha, 0x7020,
731 "Internal: curent port config = %x\n",
732 config[0]);
733 if (qla81xx_set_internal_loopback(vha, config,
734 new_config)) {
735 ql_log(ql_log_warn, vha, 0x7024,
736 "Internal loopback failed.\n");
737 bsg_job->reply->reply_payload_rcv_len =
738 0;
739 bsg_job->reply->result =
740 (DID_ERROR << 16);
741 rval = -EPERM;
742 goto done_free_dma_req;
743 }
744 } else {
745 /* For external loopback to work
746 * ensure internal loopback is disabled
747 */
748 if (qla81xx_reset_internal_loopback(vha,
749 config, 1)) {
750 bsg_job->reply->reply_payload_rcv_len =
751 0;
752 bsg_job->reply->result =
753 (DID_ERROR << 16);
754 rval = -EPERM;
755 goto done_free_dma_req;
756 }
757 }
758
759 type = "FC_BSG_HST_VENDOR_LOOPBACK";
760 ql_dbg(ql_dbg_user, vha, 0x7028,
761 "BSG request type: %s.\n", type);
762
763 command_sent = INT_DEF_LB_LOOPBACK_CMD;
764 rval = qla2x00_loopback_test(vha, &elreq, response);
765
766 if (new_config[0]) {
767 /* Revert back to original port config
768 * Also clear internal loopback
769 */
770 qla81xx_reset_internal_loopback(vha,
771 new_config, 0);
772 }
773
774 if (response[0] == MBS_COMMAND_ERROR &&
775 response[1] == MBS_LB_RESET) {
776 ql_log(ql_log_warn, vha, 0x7029,
777 "MBX command error, Aborting ISP.\n");
778 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
779 qla2xxx_wake_dpc(vha);
780 qla2x00_wait_for_chip_reset(vha);
781 /* Also reset the MPI */
782 if (qla81xx_restart_mpi_firmware(vha) !=
783 QLA_SUCCESS) {
784 ql_log(ql_log_warn, vha, 0x702a,
785 "MPI reset failed.\n");
786 }
787
788 bsg_job->reply->reply_payload_rcv_len = 0;
789 bsg_job->reply->result = (DID_ERROR << 16);
790 rval = -EIO;
791 goto done_free_dma_req;
792 }
793 } else {
794 type = "FC_BSG_HST_VENDOR_LOOPBACK";
795 ql_dbg(ql_dbg_user, vha, 0x702b,
796 "BSG request type: %s.\n", type);
797 command_sent = INT_DEF_LB_LOOPBACK_CMD;
798 rval = qla2x00_loopback_test(vha, &elreq, response);
799 }
800 }
801
802 if (rval) {
803 ql_log(ql_log_warn, vha, 0x702c,
804 "Vendor request %s failed.\n", type);
805
806 fw_sts_ptr = ((uint8_t *)bsg_job->req->sense) +
807 sizeof(struct fc_bsg_reply);
808
809 memcpy(fw_sts_ptr, response, sizeof(response));
810 fw_sts_ptr += sizeof(response);
811 *fw_sts_ptr = command_sent;
812 rval = 0;
813 bsg_job->reply->reply_payload_rcv_len = 0;
814 bsg_job->reply->result = (DID_ERROR << 16);
815 } else {
816 ql_dbg(ql_dbg_user, vha, 0x702d,
817 "Vendor request %s completed.\n", type);
818
819 bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
820 sizeof(response) + sizeof(uint8_t);
821 bsg_job->reply->reply_payload_rcv_len =
822 bsg_job->reply_payload.payload_len;
823 fw_sts_ptr = ((uint8_t *)bsg_job->req->sense) +
824 sizeof(struct fc_bsg_reply);
825 memcpy(fw_sts_ptr, response, sizeof(response));
826 fw_sts_ptr += sizeof(response);
827 *fw_sts_ptr = command_sent;
828 bsg_job->reply->result = DID_OK;
829 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
830 bsg_job->reply_payload.sg_cnt, rsp_data,
831 rsp_data_len);
832 }
833 bsg_job->job_done(bsg_job);
834
835 dma_free_coherent(&ha->pdev->dev, rsp_data_len,
836 rsp_data, rsp_data_dma);
837 done_free_dma_req:
838 dma_free_coherent(&ha->pdev->dev, req_data_len,
839 req_data, req_data_dma);
840 done_unmap_sg:
841 dma_unmap_sg(&ha->pdev->dev,
842 bsg_job->reply_payload.sg_list,
843 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
844 done_unmap_req_sg:
845 dma_unmap_sg(&ha->pdev->dev,
846 bsg_job->request_payload.sg_list,
847 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
848 return rval;
849 }
850
851 static int
852 qla84xx_reset(struct fc_bsg_job *bsg_job)
853 {
854 struct Scsi_Host *host = bsg_job->shost;
855 scsi_qla_host_t *vha = shost_priv(host);
856 struct qla_hw_data *ha = vha->hw;
857 int rval = 0;
858 uint32_t flag;
859
860 if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
861 test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
862 test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
863 ql_log(ql_log_warn, vha, 0x702e, "Abort active or needed.\n");
864 return -EBUSY;
865 }
866
867 if (!IS_QLA84XX(ha)) {
868 ql_dbg(ql_dbg_user, vha, 0x702f, "Not 84xx, exiting.\n");
869 return -EINVAL;
870 }
871
872 flag = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
873
874 rval = qla84xx_reset_chip(vha, flag == A84_ISSUE_RESET_DIAG_FW);
875
876 if (rval) {
877 ql_log(ql_log_warn, vha, 0x7030,
878 "Vendor request 84xx reset failed.\n");
879 rval = bsg_job->reply->reply_payload_rcv_len = 0;
880 bsg_job->reply->result = (DID_ERROR << 16);
881
882 } else {
883 ql_dbg(ql_dbg_user, vha, 0x7031,
884 "Vendor request 84xx reset completed.\n");
885 bsg_job->reply->result = DID_OK;
886 }
887
888 bsg_job->job_done(bsg_job);
889 return rval;
890 }
891
892 static int
893 qla84xx_updatefw(struct fc_bsg_job *bsg_job)
894 {
895 struct Scsi_Host *host = bsg_job->shost;
896 scsi_qla_host_t *vha = shost_priv(host);
897 struct qla_hw_data *ha = vha->hw;
898 struct verify_chip_entry_84xx *mn = NULL;
899 dma_addr_t mn_dma, fw_dma;
900 void *fw_buf = NULL;
901 int rval = 0;
902 uint32_t sg_cnt;
903 uint32_t data_len;
904 uint16_t options;
905 uint32_t flag;
906 uint32_t fw_ver;
907
908 if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
909 test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
910 test_bit(ISP_ABORT_RETRY, &vha->dpc_flags))
911 return -EBUSY;
912
913 if (!IS_QLA84XX(ha)) {
914 ql_dbg(ql_dbg_user, vha, 0x7032,
915 "Not 84xx, exiting.\n");
916 return -EINVAL;
917 }
918
919 sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
920 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
921 if (!sg_cnt) {
922 ql_log(ql_log_warn, vha, 0x7033,
923 "dma_map_sg returned %d for request.\n", sg_cnt);
924 return -ENOMEM;
925 }
926
927 if (sg_cnt != bsg_job->request_payload.sg_cnt) {
928 ql_log(ql_log_warn, vha, 0x7034,
929 "DMA mapping resulted in different sg counts, "
930 "request_sg_cnt: %x dma_request_sg_cnt: %x.\n",
931 bsg_job->request_payload.sg_cnt, sg_cnt);
932 rval = -EAGAIN;
933 goto done_unmap_sg;
934 }
935
936 data_len = bsg_job->request_payload.payload_len;
937 fw_buf = dma_alloc_coherent(&ha->pdev->dev, data_len,
938 &fw_dma, GFP_KERNEL);
939 if (!fw_buf) {
940 ql_log(ql_log_warn, vha, 0x7035,
941 "DMA alloc failed for fw_buf.\n");
942 rval = -ENOMEM;
943 goto done_unmap_sg;
944 }
945
946 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
947 bsg_job->request_payload.sg_cnt, fw_buf, data_len);
948
949 mn = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &mn_dma);
950 if (!mn) {
951 ql_log(ql_log_warn, vha, 0x7036,
952 "DMA alloc failed for fw buffer.\n");
953 rval = -ENOMEM;
954 goto done_free_fw_buf;
955 }
956
957 flag = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
958 fw_ver = le32_to_cpu(*((uint32_t *)((uint32_t *)fw_buf + 2)));
959
960 memset(mn, 0, sizeof(struct access_chip_84xx));
961 mn->entry_type = VERIFY_CHIP_IOCB_TYPE;
962 mn->entry_count = 1;
963
964 options = VCO_FORCE_UPDATE | VCO_END_OF_DATA;
965 if (flag == A84_ISSUE_UPDATE_DIAGFW_CMD)
966 options |= VCO_DIAG_FW;
967
968 mn->options = cpu_to_le16(options);
969 mn->fw_ver = cpu_to_le32(fw_ver);
970 mn->fw_size = cpu_to_le32(data_len);
971 mn->fw_seq_size = cpu_to_le32(data_len);
972 mn->dseg_address[0] = cpu_to_le32(LSD(fw_dma));
973 mn->dseg_address[1] = cpu_to_le32(MSD(fw_dma));
974 mn->dseg_length = cpu_to_le32(data_len);
975 mn->data_seg_cnt = cpu_to_le16(1);
976
977 rval = qla2x00_issue_iocb_timeout(vha, mn, mn_dma, 0, 120);
978
979 if (rval) {
980 ql_log(ql_log_warn, vha, 0x7037,
981 "Vendor request 84xx updatefw failed.\n");
982
983 rval = bsg_job->reply->reply_payload_rcv_len = 0;
984 bsg_job->reply->result = (DID_ERROR << 16);
985
986 } else {
987 ql_dbg(ql_dbg_user, vha, 0x7038,
988 "Vendor request 84xx updatefw completed.\n");
989
990 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
991 bsg_job->reply->result = DID_OK;
992 }
993
994 bsg_job->job_done(bsg_job);
995 dma_pool_free(ha->s_dma_pool, mn, mn_dma);
996
997 done_free_fw_buf:
998 dma_free_coherent(&ha->pdev->dev, data_len, fw_buf, fw_dma);
999
1000 done_unmap_sg:
1001 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
1002 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1003
1004 return rval;
1005 }
1006
1007 static int
1008 qla84xx_mgmt_cmd(struct fc_bsg_job *bsg_job)
1009 {
1010 struct Scsi_Host *host = bsg_job->shost;
1011 scsi_qla_host_t *vha = shost_priv(host);
1012 struct qla_hw_data *ha = vha->hw;
1013 struct access_chip_84xx *mn = NULL;
1014 dma_addr_t mn_dma, mgmt_dma;
1015 void *mgmt_b = NULL;
1016 int rval = 0;
1017 struct qla_bsg_a84_mgmt *ql84_mgmt;
1018 uint32_t sg_cnt;
1019 uint32_t data_len = 0;
1020 uint32_t dma_direction = DMA_NONE;
1021
1022 if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
1023 test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
1024 test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
1025 ql_log(ql_log_warn, vha, 0x7039,
1026 "Abort active or needed.\n");
1027 return -EBUSY;
1028 }
1029
1030 if (!IS_QLA84XX(ha)) {
1031 ql_log(ql_log_warn, vha, 0x703a,
1032 "Not 84xx, exiting.\n");
1033 return -EINVAL;
1034 }
1035
1036 ql84_mgmt = (struct qla_bsg_a84_mgmt *)((char *)bsg_job->request +
1037 sizeof(struct fc_bsg_request));
1038 if (!ql84_mgmt) {
1039 ql_log(ql_log_warn, vha, 0x703b,
1040 "MGMT header not provided, exiting.\n");
1041 return -EINVAL;
1042 }
1043
1044 mn = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &mn_dma);
1045 if (!mn) {
1046 ql_log(ql_log_warn, vha, 0x703c,
1047 "DMA alloc failed for fw buffer.\n");
1048 return -ENOMEM;
1049 }
1050
1051 memset(mn, 0, sizeof(struct access_chip_84xx));
1052 mn->entry_type = ACCESS_CHIP_IOCB_TYPE;
1053 mn->entry_count = 1;
1054
1055 switch (ql84_mgmt->mgmt.cmd) {
1056 case QLA84_MGMT_READ_MEM:
1057 case QLA84_MGMT_GET_INFO:
1058 sg_cnt = dma_map_sg(&ha->pdev->dev,
1059 bsg_job->reply_payload.sg_list,
1060 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
1061 if (!sg_cnt) {
1062 ql_log(ql_log_warn, vha, 0x703d,
1063 "dma_map_sg returned %d for reply.\n", sg_cnt);
1064 rval = -ENOMEM;
1065 goto exit_mgmt;
1066 }
1067
1068 dma_direction = DMA_FROM_DEVICE;
1069
1070 if (sg_cnt != bsg_job->reply_payload.sg_cnt) {
1071 ql_log(ql_log_warn, vha, 0x703e,
1072 "DMA mapping resulted in different sg counts, "
1073 "reply_sg_cnt: %x dma_reply_sg_cnt: %x.\n",
1074 bsg_job->reply_payload.sg_cnt, sg_cnt);
1075 rval = -EAGAIN;
1076 goto done_unmap_sg;
1077 }
1078
1079 data_len = bsg_job->reply_payload.payload_len;
1080
1081 mgmt_b = dma_alloc_coherent(&ha->pdev->dev, data_len,
1082 &mgmt_dma, GFP_KERNEL);
1083 if (!mgmt_b) {
1084 ql_log(ql_log_warn, vha, 0x703f,
1085 "DMA alloc failed for mgmt_b.\n");
1086 rval = -ENOMEM;
1087 goto done_unmap_sg;
1088 }
1089
1090 if (ql84_mgmt->mgmt.cmd == QLA84_MGMT_READ_MEM) {
1091 mn->options = cpu_to_le16(ACO_DUMP_MEMORY);
1092 mn->parameter1 =
1093 cpu_to_le32(
1094 ql84_mgmt->mgmt.mgmtp.u.mem.start_addr);
1095
1096 } else if (ql84_mgmt->mgmt.cmd == QLA84_MGMT_GET_INFO) {
1097 mn->options = cpu_to_le16(ACO_REQUEST_INFO);
1098 mn->parameter1 =
1099 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.info.type);
1100
1101 mn->parameter2 =
1102 cpu_to_le32(
1103 ql84_mgmt->mgmt.mgmtp.u.info.context);
1104 }
1105 break;
1106
1107 case QLA84_MGMT_WRITE_MEM:
1108 sg_cnt = dma_map_sg(&ha->pdev->dev,
1109 bsg_job->request_payload.sg_list,
1110 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1111
1112 if (!sg_cnt) {
1113 ql_log(ql_log_warn, vha, 0x7040,
1114 "dma_map_sg returned %d.\n", sg_cnt);
1115 rval = -ENOMEM;
1116 goto exit_mgmt;
1117 }
1118
1119 dma_direction = DMA_TO_DEVICE;
1120
1121 if (sg_cnt != bsg_job->request_payload.sg_cnt) {
1122 ql_log(ql_log_warn, vha, 0x7041,
1123 "DMA mapping resulted in different sg counts, "
1124 "request_sg_cnt: %x dma_request_sg_cnt: %x.\n",
1125 bsg_job->request_payload.sg_cnt, sg_cnt);
1126 rval = -EAGAIN;
1127 goto done_unmap_sg;
1128 }
1129
1130 data_len = bsg_job->request_payload.payload_len;
1131 mgmt_b = dma_alloc_coherent(&ha->pdev->dev, data_len,
1132 &mgmt_dma, GFP_KERNEL);
1133 if (!mgmt_b) {
1134 ql_log(ql_log_warn, vha, 0x7042,
1135 "DMA alloc failed for mgmt_b.\n");
1136 rval = -ENOMEM;
1137 goto done_unmap_sg;
1138 }
1139
1140 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1141 bsg_job->request_payload.sg_cnt, mgmt_b, data_len);
1142
1143 mn->options = cpu_to_le16(ACO_LOAD_MEMORY);
1144 mn->parameter1 =
1145 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.mem.start_addr);
1146 break;
1147
1148 case QLA84_MGMT_CHNG_CONFIG:
1149 mn->options = cpu_to_le16(ACO_CHANGE_CONFIG_PARAM);
1150 mn->parameter1 =
1151 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.id);
1152
1153 mn->parameter2 =
1154 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.param0);
1155
1156 mn->parameter3 =
1157 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.param1);
1158 break;
1159
1160 default:
1161 rval = -EIO;
1162 goto exit_mgmt;
1163 }
1164
1165 if (ql84_mgmt->mgmt.cmd != QLA84_MGMT_CHNG_CONFIG) {
1166 mn->total_byte_cnt = cpu_to_le32(ql84_mgmt->mgmt.len);
1167 mn->dseg_count = cpu_to_le16(1);
1168 mn->dseg_address[0] = cpu_to_le32(LSD(mgmt_dma));
1169 mn->dseg_address[1] = cpu_to_le32(MSD(mgmt_dma));
1170 mn->dseg_length = cpu_to_le32(ql84_mgmt->mgmt.len);
1171 }
1172
1173 rval = qla2x00_issue_iocb(vha, mn, mn_dma, 0);
1174
1175 if (rval) {
1176 ql_log(ql_log_warn, vha, 0x7043,
1177 "Vendor request 84xx mgmt failed.\n");
1178
1179 rval = bsg_job->reply->reply_payload_rcv_len = 0;
1180 bsg_job->reply->result = (DID_ERROR << 16);
1181
1182 } else {
1183 ql_dbg(ql_dbg_user, vha, 0x7044,
1184 "Vendor request 84xx mgmt completed.\n");
1185
1186 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1187 bsg_job->reply->result = DID_OK;
1188
1189 if ((ql84_mgmt->mgmt.cmd == QLA84_MGMT_READ_MEM) ||
1190 (ql84_mgmt->mgmt.cmd == QLA84_MGMT_GET_INFO)) {
1191 bsg_job->reply->reply_payload_rcv_len =
1192 bsg_job->reply_payload.payload_len;
1193
1194 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1195 bsg_job->reply_payload.sg_cnt, mgmt_b,
1196 data_len);
1197 }
1198 }
1199
1200 bsg_job->job_done(bsg_job);
1201
1202 done_unmap_sg:
1203 if (mgmt_b)
1204 dma_free_coherent(&ha->pdev->dev, data_len, mgmt_b, mgmt_dma);
1205
1206 if (dma_direction == DMA_TO_DEVICE)
1207 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
1208 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1209 else if (dma_direction == DMA_FROM_DEVICE)
1210 dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
1211 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
1212
1213 exit_mgmt:
1214 dma_pool_free(ha->s_dma_pool, mn, mn_dma);
1215
1216 return rval;
1217 }
1218
1219 static int
1220 qla24xx_iidma(struct fc_bsg_job *bsg_job)
1221 {
1222 struct Scsi_Host *host = bsg_job->shost;
1223 scsi_qla_host_t *vha = shost_priv(host);
1224 int rval = 0;
1225 struct qla_port_param *port_param = NULL;
1226 fc_port_t *fcport = NULL;
1227 uint16_t mb[MAILBOX_REGISTER_COUNT];
1228 uint8_t *rsp_ptr = NULL;
1229
1230 bsg_job->reply->reply_payload_rcv_len = 0;
1231
1232 if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
1233 test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
1234 test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
1235 ql_log(ql_log_warn, vha, 0x7045, "abort active or needed.\n");
1236 return -EBUSY;
1237 }
1238
1239 if (!IS_IIDMA_CAPABLE(vha->hw)) {
1240 ql_log(ql_log_info, vha, 0x7046, "iiDMA not supported.\n");
1241 return -EINVAL;
1242 }
1243
1244 port_param = (struct qla_port_param *)((char *)bsg_job->request +
1245 sizeof(struct fc_bsg_request));
1246 if (!port_param) {
1247 ql_log(ql_log_warn, vha, 0x7047,
1248 "port_param header not provided.\n");
1249 return -EINVAL;
1250 }
1251
1252 if (port_param->fc_scsi_addr.dest_type != EXT_DEF_TYPE_WWPN) {
1253 ql_log(ql_log_warn, vha, 0x7048,
1254 "Invalid destination type.\n");
1255 return -EINVAL;
1256 }
1257
1258 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1259 if (fcport->port_type != FCT_TARGET)
1260 continue;
1261
1262 if (memcmp(port_param->fc_scsi_addr.dest_addr.wwpn,
1263 fcport->port_name, sizeof(fcport->port_name)))
1264 continue;
1265 break;
1266 }
1267
1268 if (!fcport) {
1269 ql_log(ql_log_warn, vha, 0x7049,
1270 "Failed to find port.\n");
1271 return -EINVAL;
1272 }
1273
1274 if (atomic_read(&fcport->state) != FCS_ONLINE) {
1275 ql_log(ql_log_warn, vha, 0x704a,
1276 "Port is not online.\n");
1277 return -EINVAL;
1278 }
1279
1280 if (fcport->flags & FCF_LOGIN_NEEDED) {
1281 ql_log(ql_log_warn, vha, 0x704b,
1282 "Remote port not logged in flags = 0x%x.\n", fcport->flags);
1283 return -EINVAL;
1284 }
1285
1286 if (port_param->mode)
1287 rval = qla2x00_set_idma_speed(vha, fcport->loop_id,
1288 port_param->speed, mb);
1289 else
1290 rval = qla2x00_get_idma_speed(vha, fcport->loop_id,
1291 &port_param->speed, mb);
1292
1293 if (rval) {
1294 ql_log(ql_log_warn, vha, 0x704c,
1295 "iIDMA cmd failed for %02x%02x%02x%02x%02x%02x%02x%02x -- "
1296 "%04x %x %04x %04x.\n", fcport->port_name[0],
1297 fcport->port_name[1], fcport->port_name[2],
1298 fcport->port_name[3], fcport->port_name[4],
1299 fcport->port_name[5], fcport->port_name[6],
1300 fcport->port_name[7], rval, fcport->fp_speed, mb[0], mb[1]);
1301 rval = 0;
1302 bsg_job->reply->result = (DID_ERROR << 16);
1303
1304 } else {
1305 if (!port_param->mode) {
1306 bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
1307 sizeof(struct qla_port_param);
1308
1309 rsp_ptr = ((uint8_t *)bsg_job->reply) +
1310 sizeof(struct fc_bsg_reply);
1311
1312 memcpy(rsp_ptr, port_param,
1313 sizeof(struct qla_port_param));
1314 }
1315
1316 bsg_job->reply->result = DID_OK;
1317 }
1318
1319 bsg_job->job_done(bsg_job);
1320 return rval;
1321 }
1322
1323 static int
1324 qla2x00_optrom_setup(struct fc_bsg_job *bsg_job, scsi_qla_host_t *vha,
1325 uint8_t is_update)
1326 {
1327 uint32_t start = 0;
1328 int valid = 0;
1329 struct qla_hw_data *ha = vha->hw;
1330
1331 bsg_job->reply->reply_payload_rcv_len = 0;
1332
1333 if (unlikely(pci_channel_offline(ha->pdev)))
1334 return -EINVAL;
1335
1336 start = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
1337 if (start > ha->optrom_size) {
1338 ql_log(ql_log_warn, vha, 0x7055,
1339 "start %d > optrom_size %d.\n", start, ha->optrom_size);
1340 return -EINVAL;
1341 }
1342
1343 if (ha->optrom_state != QLA_SWAITING) {
1344 ql_log(ql_log_info, vha, 0x7056,
1345 "optrom_state %d.\n", ha->optrom_state);
1346 return -EBUSY;
1347 }
1348
1349 ha->optrom_region_start = start;
1350 ql_dbg(ql_dbg_user, vha, 0x7057, "is_update=%d.\n", is_update);
1351 if (is_update) {
1352 if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0)
1353 valid = 1;
1354 else if (start == (ha->flt_region_boot * 4) ||
1355 start == (ha->flt_region_fw * 4))
1356 valid = 1;
1357 else if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha) ||
1358 IS_QLA8XXX_TYPE(ha))
1359 valid = 1;
1360 if (!valid) {
1361 ql_log(ql_log_warn, vha, 0x7058,
1362 "Invalid start region 0x%x/0x%x.\n", start,
1363 bsg_job->request_payload.payload_len);
1364 return -EINVAL;
1365 }
1366
1367 ha->optrom_region_size = start +
1368 bsg_job->request_payload.payload_len > ha->optrom_size ?
1369 ha->optrom_size - start :
1370 bsg_job->request_payload.payload_len;
1371 ha->optrom_state = QLA_SWRITING;
1372 } else {
1373 ha->optrom_region_size = start +
1374 bsg_job->reply_payload.payload_len > ha->optrom_size ?
1375 ha->optrom_size - start :
1376 bsg_job->reply_payload.payload_len;
1377 ha->optrom_state = QLA_SREADING;
1378 }
1379
1380 ha->optrom_buffer = vmalloc(ha->optrom_region_size);
1381 if (!ha->optrom_buffer) {
1382 ql_log(ql_log_warn, vha, 0x7059,
1383 "Read: Unable to allocate memory for optrom retrieval "
1384 "(%x)\n", ha->optrom_region_size);
1385
1386 ha->optrom_state = QLA_SWAITING;
1387 return -ENOMEM;
1388 }
1389
1390 memset(ha->optrom_buffer, 0, ha->optrom_region_size);
1391 return 0;
1392 }
1393
1394 static int
1395 qla2x00_read_optrom(struct fc_bsg_job *bsg_job)
1396 {
1397 struct Scsi_Host *host = bsg_job->shost;
1398 scsi_qla_host_t *vha = shost_priv(host);
1399 struct qla_hw_data *ha = vha->hw;
1400 int rval = 0;
1401
1402 rval = qla2x00_optrom_setup(bsg_job, vha, 0);
1403 if (rval)
1404 return rval;
1405
1406 ha->isp_ops->read_optrom(vha, ha->optrom_buffer,
1407 ha->optrom_region_start, ha->optrom_region_size);
1408
1409 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1410 bsg_job->reply_payload.sg_cnt, ha->optrom_buffer,
1411 ha->optrom_region_size);
1412
1413 bsg_job->reply->reply_payload_rcv_len = ha->optrom_region_size;
1414 bsg_job->reply->result = DID_OK;
1415 vfree(ha->optrom_buffer);
1416 ha->optrom_buffer = NULL;
1417 ha->optrom_state = QLA_SWAITING;
1418 bsg_job->job_done(bsg_job);
1419 return rval;
1420 }
1421
1422 static int
1423 qla2x00_update_optrom(struct fc_bsg_job *bsg_job)
1424 {
1425 struct Scsi_Host *host = bsg_job->shost;
1426 scsi_qla_host_t *vha = shost_priv(host);
1427 struct qla_hw_data *ha = vha->hw;
1428 int rval = 0;
1429
1430 rval = qla2x00_optrom_setup(bsg_job, vha, 1);
1431 if (rval)
1432 return rval;
1433
1434 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1435 bsg_job->request_payload.sg_cnt, ha->optrom_buffer,
1436 ha->optrom_region_size);
1437
1438 ha->isp_ops->write_optrom(vha, ha->optrom_buffer,
1439 ha->optrom_region_start, ha->optrom_region_size);
1440
1441 bsg_job->reply->result = DID_OK;
1442 vfree(ha->optrom_buffer);
1443 ha->optrom_buffer = NULL;
1444 ha->optrom_state = QLA_SWAITING;
1445 bsg_job->job_done(bsg_job);
1446 return rval;
1447 }
1448
1449 static int
1450 qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job)
1451 {
1452 switch (bsg_job->request->rqst_data.h_vendor.vendor_cmd[0]) {
1453 case QL_VND_LOOPBACK:
1454 return qla2x00_process_loopback(bsg_job);
1455
1456 case QL_VND_A84_RESET:
1457 return qla84xx_reset(bsg_job);
1458
1459 case QL_VND_A84_UPDATE_FW:
1460 return qla84xx_updatefw(bsg_job);
1461
1462 case QL_VND_A84_MGMT_CMD:
1463 return qla84xx_mgmt_cmd(bsg_job);
1464
1465 case QL_VND_IIDMA:
1466 return qla24xx_iidma(bsg_job);
1467
1468 case QL_VND_FCP_PRIO_CFG_CMD:
1469 return qla24xx_proc_fcp_prio_cfg_cmd(bsg_job);
1470
1471 case QL_VND_READ_FLASH:
1472 return qla2x00_read_optrom(bsg_job);
1473
1474 case QL_VND_UPDATE_FLASH:
1475 return qla2x00_update_optrom(bsg_job);
1476
1477 default:
1478 bsg_job->reply->result = (DID_ERROR << 16);
1479 bsg_job->job_done(bsg_job);
1480 return -ENOSYS;
1481 }
1482 }
1483
1484 int
1485 qla24xx_bsg_request(struct fc_bsg_job *bsg_job)
1486 {
1487 int ret = -EINVAL;
1488 struct fc_rport *rport;
1489 fc_port_t *fcport = NULL;
1490 struct Scsi_Host *host;
1491 scsi_qla_host_t *vha;
1492
1493 if (bsg_job->request->msgcode == FC_BSG_RPT_ELS) {
1494 rport = bsg_job->rport;
1495 fcport = *(fc_port_t **) rport->dd_data;
1496 host = rport_to_shost(rport);
1497 vha = shost_priv(host);
1498 } else {
1499 host = bsg_job->shost;
1500 vha = shost_priv(host);
1501 }
1502
1503 ql_dbg(ql_dbg_user, vha, 0x7000,
1504 "Entered %s msgcode=%d.\n", __func__, bsg_job->request->msgcode);
1505
1506 switch (bsg_job->request->msgcode) {
1507 case FC_BSG_RPT_ELS:
1508 case FC_BSG_HST_ELS_NOLOGIN:
1509 ret = qla2x00_process_els(bsg_job);
1510 break;
1511 case FC_BSG_HST_CT:
1512 ret = qla2x00_process_ct(bsg_job);
1513 break;
1514 case FC_BSG_HST_VENDOR:
1515 ret = qla2x00_process_vendor_specific(bsg_job);
1516 break;
1517 case FC_BSG_HST_ADD_RPORT:
1518 case FC_BSG_HST_DEL_RPORT:
1519 case FC_BSG_RPT_CT:
1520 default:
1521 ql_log(ql_log_warn, vha, 0x705a, "Unsupported BSG request.\n");
1522 break;
1523 }
1524 return ret;
1525 }
1526
1527 int
1528 qla24xx_bsg_timeout(struct fc_bsg_job *bsg_job)
1529 {
1530 scsi_qla_host_t *vha = shost_priv(bsg_job->shost);
1531 struct qla_hw_data *ha = vha->hw;
1532 srb_t *sp;
1533 int cnt, que;
1534 unsigned long flags;
1535 struct req_que *req;
1536 struct srb_ctx *sp_bsg;
1537
1538 /* find the bsg job from the active list of commands */
1539 spin_lock_irqsave(&ha->hardware_lock, flags);
1540 for (que = 0; que < ha->max_req_queues; que++) {
1541 req = ha->req_q_map[que];
1542 if (!req)
1543 continue;
1544
1545 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1546 sp = req->outstanding_cmds[cnt];
1547 if (sp) {
1548 sp_bsg = sp->ctx;
1549
1550 if (((sp_bsg->type == SRB_CT_CMD) ||
1551 (sp_bsg->type == SRB_ELS_CMD_HST))
1552 && (sp_bsg->u.bsg_job == bsg_job)) {
1553 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1554 if (ha->isp_ops->abort_command(sp)) {
1555 ql_log(ql_log_warn, vha, 0x7089,
1556 "mbx abort_command "
1557 "failed.\n");
1558 bsg_job->req->errors =
1559 bsg_job->reply->result = -EIO;
1560 } else {
1561 ql_dbg(ql_dbg_user, vha, 0x708a,
1562 "mbx abort_command "
1563 "success.\n");
1564 bsg_job->req->errors =
1565 bsg_job->reply->result = 0;
1566 }
1567 spin_lock_irqsave(&ha->hardware_lock, flags);
1568 goto done;
1569 }
1570 }
1571 }
1572 }
1573 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1574 ql_log(ql_log_info, vha, 0x708b, "SRB not found to abort.\n");
1575 bsg_job->req->errors = bsg_job->reply->result = -ENXIO;
1576 return 0;
1577
1578 done:
1579 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1580 if (bsg_job->request->msgcode == FC_BSG_HST_CT)
1581 kfree(sp->fcport);
1582 kfree(sp->ctx);
1583 mempool_free(sp, ha->srb_mempool);
1584 return 0;
1585 }
Linux kernel - Deliverables
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