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Linux 4.16.11
[linux/fpc-iii.git] / drivers / scsi / qla2xxx / qla_bsg.c
blobe2d5d3ca0f57c57307b1cbf202f6e358f999801b
1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2014 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 #include <linux/bsg-lib.h>
13
14 /* BSG support for ELS/CT pass through */
15 void
16 qla2x00_bsg_job_done(void *ptr, int res)
17 {
18 srb_t *sp = ptr;
19 struct bsg_job *bsg_job = sp->u.bsg_job;
20 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
21
22 bsg_reply->result = res;
23 bsg_job_done(bsg_job, bsg_reply->result,
24 bsg_reply->reply_payload_rcv_len);
25 sp->free(sp);
26 }
27
28 void
29 qla2x00_bsg_sp_free(void *ptr)
30 {
31 srb_t *sp = ptr;
32 struct qla_hw_data *ha = sp->vha->hw;
33 struct bsg_job *bsg_job = sp->u.bsg_job;
34 struct fc_bsg_request *bsg_request = bsg_job->request;
35 struct qla_mt_iocb_rqst_fx00 *piocb_rqst;
36
37 if (sp->type == SRB_FXIOCB_BCMD) {
38 piocb_rqst = (struct qla_mt_iocb_rqst_fx00 *)
39 &bsg_request->rqst_data.h_vendor.vendor_cmd[1];
40
41 if (piocb_rqst->flags & SRB_FXDISC_REQ_DMA_VALID)
42 dma_unmap_sg(&ha->pdev->dev,
43 bsg_job->request_payload.sg_list,
44 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
45
46 if (piocb_rqst->flags & SRB_FXDISC_RESP_DMA_VALID)
47 dma_unmap_sg(&ha->pdev->dev,
48 bsg_job->reply_payload.sg_list,
49 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
50 } else {
51 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
52 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
53
54 dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
55 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
56 }
57
58 if (sp->type == SRB_CT_CMD ||
59 sp->type == SRB_FXIOCB_BCMD ||
60 sp->type == SRB_ELS_CMD_HST)
61 kfree(sp->fcport);
62 qla2x00_rel_sp(sp);
63 }
64
65 int
66 qla24xx_fcp_prio_cfg_valid(scsi_qla_host_t *vha,
67 struct qla_fcp_prio_cfg *pri_cfg, uint8_t flag)
68 {
69 int i, ret, num_valid;
70 uint8_t *bcode;
71 struct qla_fcp_prio_entry *pri_entry;
72 uint32_t *bcode_val_ptr, bcode_val;
73
74 ret = 1;
75 num_valid = 0;
76 bcode = (uint8_t *)pri_cfg;
77 bcode_val_ptr = (uint32_t *)pri_cfg;
78 bcode_val = (uint32_t)(*bcode_val_ptr);
79
80 if (bcode_val == 0xFFFFFFFF) {
81 /* No FCP Priority config data in flash */
82 ql_dbg(ql_dbg_user, vha, 0x7051,
83 "No FCP Priority config data.\n");
84 return 0;
85 }
86
87 if (bcode[0] != 'H' || bcode[1] != 'Q' || bcode[2] != 'O' ||
88 bcode[3] != 'S') {
89 /* Invalid FCP priority data header*/
90 ql_dbg(ql_dbg_user, vha, 0x7052,
91 "Invalid FCP Priority data header. bcode=0x%x.\n",
92 bcode_val);
93 return 0;
94 }
95 if (flag != 1)
96 return ret;
97
98 pri_entry = &pri_cfg->entry[0];
99 for (i = 0; i < pri_cfg->num_entries; i++) {
100 if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
101 num_valid++;
102 pri_entry++;
103 }
104
105 if (num_valid == 0) {
106 /* No valid FCP priority data entries */
107 ql_dbg(ql_dbg_user, vha, 0x7053,
108 "No valid FCP Priority data entries.\n");
109 ret = 0;
110 } else {
111 /* FCP priority data is valid */
112 ql_dbg(ql_dbg_user, vha, 0x7054,
113 "Valid FCP priority data. num entries = %d.\n",
114 num_valid);
115 }
116
117 return ret;
118 }
119
120 static int
121 qla24xx_proc_fcp_prio_cfg_cmd(struct bsg_job *bsg_job)
122 {
123 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
124 struct fc_bsg_request *bsg_request = bsg_job->request;
125 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
126 scsi_qla_host_t *vha = shost_priv(host);
127 struct qla_hw_data *ha = vha->hw;
128 int ret = 0;
129 uint32_t len;
130 uint32_t oper;
131
132 if (!(IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha) || IS_P3P_TYPE(ha))) {
133 ret = -EINVAL;
134 goto exit_fcp_prio_cfg;
135 }
136
137 /* Get the sub command */
138 oper = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
139
140 /* Only set config is allowed if config memory is not allocated */
141 if (!ha->fcp_prio_cfg && (oper != QLFC_FCP_PRIO_SET_CONFIG)) {
142 ret = -EINVAL;
143 goto exit_fcp_prio_cfg;
144 }
145 switch (oper) {
146 case QLFC_FCP_PRIO_DISABLE:
147 if (ha->flags.fcp_prio_enabled) {
148 ha->flags.fcp_prio_enabled = 0;
149 ha->fcp_prio_cfg->attributes &=
150 ~FCP_PRIO_ATTR_ENABLE;
151 qla24xx_update_all_fcp_prio(vha);
152 bsg_reply->result = DID_OK;
153 } else {
154 ret = -EINVAL;
155 bsg_reply->result = (DID_ERROR << 16);
156 goto exit_fcp_prio_cfg;
157 }
158 break;
159
160 case QLFC_FCP_PRIO_ENABLE:
161 if (!ha->flags.fcp_prio_enabled) {
162 if (ha->fcp_prio_cfg) {
163 ha->flags.fcp_prio_enabled = 1;
164 ha->fcp_prio_cfg->attributes |=
165 FCP_PRIO_ATTR_ENABLE;
166 qla24xx_update_all_fcp_prio(vha);
167 bsg_reply->result = DID_OK;
168 } else {
169 ret = -EINVAL;
170 bsg_reply->result = (DID_ERROR << 16);
171 goto exit_fcp_prio_cfg;
172 }
173 }
174 break;
175
176 case QLFC_FCP_PRIO_GET_CONFIG:
177 len = bsg_job->reply_payload.payload_len;
178 if (!len || len > FCP_PRIO_CFG_SIZE) {
179 ret = -EINVAL;
180 bsg_reply->result = (DID_ERROR << 16);
181 goto exit_fcp_prio_cfg;
182 }
183
184 bsg_reply->result = DID_OK;
185 bsg_reply->reply_payload_rcv_len =
186 sg_copy_from_buffer(
187 bsg_job->reply_payload.sg_list,
188 bsg_job->reply_payload.sg_cnt, ha->fcp_prio_cfg,
189 len);
190
191 break;
192
193 case QLFC_FCP_PRIO_SET_CONFIG:
194 len = bsg_job->request_payload.payload_len;
195 if (!len || len > FCP_PRIO_CFG_SIZE) {
196 bsg_reply->result = (DID_ERROR << 16);
197 ret = -EINVAL;
198 goto exit_fcp_prio_cfg;
199 }
200
201 if (!ha->fcp_prio_cfg) {
202 ha->fcp_prio_cfg = vmalloc(FCP_PRIO_CFG_SIZE);
203 if (!ha->fcp_prio_cfg) {
204 ql_log(ql_log_warn, vha, 0x7050,
205 "Unable to allocate memory for fcp prio "
206 "config data (%x).\n", FCP_PRIO_CFG_SIZE);
207 bsg_reply->result = (DID_ERROR << 16);
208 ret = -ENOMEM;
209 goto exit_fcp_prio_cfg;
210 }
211 }
212
213 memset(ha->fcp_prio_cfg, 0, FCP_PRIO_CFG_SIZE);
214 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
215 bsg_job->request_payload.sg_cnt, ha->fcp_prio_cfg,
216 FCP_PRIO_CFG_SIZE);
217
218 /* validate fcp priority data */
219
220 if (!qla24xx_fcp_prio_cfg_valid(vha,
221 (struct qla_fcp_prio_cfg *) ha->fcp_prio_cfg, 1)) {
222 bsg_reply->result = (DID_ERROR << 16);
223 ret = -EINVAL;
224 /* If buffer was invalidatic int
225 * fcp_prio_cfg is of no use
226 */
227 vfree(ha->fcp_prio_cfg);
228 ha->fcp_prio_cfg = NULL;
229 goto exit_fcp_prio_cfg;
230 }
231
232 ha->flags.fcp_prio_enabled = 0;
233 if (ha->fcp_prio_cfg->attributes & FCP_PRIO_ATTR_ENABLE)
234 ha->flags.fcp_prio_enabled = 1;
235 qla24xx_update_all_fcp_prio(vha);
236 bsg_reply->result = DID_OK;
237 break;
238 default:
239 ret = -EINVAL;
240 break;
241 }
242 exit_fcp_prio_cfg:
243 if (!ret)
244 bsg_job_done(bsg_job, bsg_reply->result,
245 bsg_reply->reply_payload_rcv_len);
246 return ret;
247 }
248
249 static int
250 qla2x00_process_els(struct bsg_job *bsg_job)
251 {
252 struct fc_bsg_request *bsg_request = bsg_job->request;
253 struct fc_rport *rport;
254 fc_port_t *fcport = NULL;
255 struct Scsi_Host *host;
256 scsi_qla_host_t *vha;
257 struct qla_hw_data *ha;
258 srb_t *sp;
259 const char *type;
260 int req_sg_cnt, rsp_sg_cnt;
261 int rval = (DRIVER_ERROR << 16);
262 uint16_t nextlid = 0;
263
264 if (bsg_request->msgcode == FC_BSG_RPT_ELS) {
265 rport = fc_bsg_to_rport(bsg_job);
266 fcport = *(fc_port_t **) rport->dd_data;
267 host = rport_to_shost(rport);
268 vha = shost_priv(host);
269 ha = vha->hw;
270 type = "FC_BSG_RPT_ELS";
271 } else {
272 host = fc_bsg_to_shost(bsg_job);
273 vha = shost_priv(host);
274 ha = vha->hw;
275 type = "FC_BSG_HST_ELS_NOLOGIN";
276 }
277
278 if (!vha->flags.online) {
279 ql_log(ql_log_warn, vha, 0x7005, "Host not online.\n");
280 rval = -EIO;
281 goto done;
282 }
283
284 /* pass through is supported only for ISP 4Gb or higher */
285 if (!IS_FWI2_CAPABLE(ha)) {
286 ql_dbg(ql_dbg_user, vha, 0x7001,
287 "ELS passthru not supported for ISP23xx based adapters.\n");
288 rval = -EPERM;
289 goto done;
290 }
291
292 /* Multiple SG's are not supported for ELS requests */
293 if (bsg_job->request_payload.sg_cnt > 1 ||
294 bsg_job->reply_payload.sg_cnt > 1) {
295 ql_dbg(ql_dbg_user, vha, 0x7002,
296 "Multiple SG's are not supported for ELS requests, "
297 "request_sg_cnt=%x reply_sg_cnt=%x.\n",
298 bsg_job->request_payload.sg_cnt,
299 bsg_job->reply_payload.sg_cnt);
300 rval = -EPERM;
301 goto done;
302 }
303
304 /* ELS request for rport */
305 if (bsg_request->msgcode == FC_BSG_RPT_ELS) {
306 /* make sure the rport is logged in,
307 * if not perform fabric login
308 */
309 if (qla2x00_fabric_login(vha, fcport, &nextlid)) {
310 ql_dbg(ql_dbg_user, vha, 0x7003,
311 "Failed to login port %06X for ELS passthru.\n",
312 fcport->d_id.b24);
313 rval = -EIO;
314 goto done;
315 }
316 } else {
317 /* Allocate a dummy fcport structure, since functions
318 * preparing the IOCB and mailbox command retrieves port
319 * specific information from fcport structure. For Host based
320 * ELS commands there will be no fcport structure allocated
321 */
322 fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
323 if (!fcport) {
324 rval = -ENOMEM;
325 goto done;
326 }
327
328 /* Initialize all required fields of fcport */
329 fcport->vha = vha;
330 fcport->d_id.b.al_pa =
331 bsg_request->rqst_data.h_els.port_id[0];
332 fcport->d_id.b.area =
333 bsg_request->rqst_data.h_els.port_id[1];
334 fcport->d_id.b.domain =
335 bsg_request->rqst_data.h_els.port_id[2];
336 fcport->loop_id =
337 (fcport->d_id.b.al_pa == 0xFD) ?
338 NPH_FABRIC_CONTROLLER : NPH_F_PORT;
339 }
340
341 req_sg_cnt =
342 dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
343 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
344 if (!req_sg_cnt) {
345 rval = -ENOMEM;
346 goto done_free_fcport;
347 }
348
349 rsp_sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
350 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
351 if (!rsp_sg_cnt) {
352 rval = -ENOMEM;
353 goto done_free_fcport;
354 }
355
356 if ((req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
357 (rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
358 ql_log(ql_log_warn, vha, 0x7008,
359 "dma mapping resulted in different sg counts, "
360 "request_sg_cnt: %x dma_request_sg_cnt:%x reply_sg_cnt:%x "
361 "dma_reply_sg_cnt:%x.\n", bsg_job->request_payload.sg_cnt,
362 req_sg_cnt, bsg_job->reply_payload.sg_cnt, rsp_sg_cnt);
363 rval = -EAGAIN;
364 goto done_unmap_sg;
365 }
366
367 /* Alloc SRB structure */
368 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
369 if (!sp) {
370 rval = -ENOMEM;
371 goto done_unmap_sg;
372 }
373
374 sp->type =
375 (bsg_request->msgcode == FC_BSG_RPT_ELS ?
376 SRB_ELS_CMD_RPT : SRB_ELS_CMD_HST);
377 sp->name =
378 (bsg_request->msgcode == FC_BSG_RPT_ELS ?
379 "bsg_els_rpt" : "bsg_els_hst");
380 sp->u.bsg_job = bsg_job;
381 sp->free = qla2x00_bsg_sp_free;
382 sp->done = qla2x00_bsg_job_done;
383
384 ql_dbg(ql_dbg_user, vha, 0x700a,
385 "bsg rqst type: %s els type: %x - loop-id=%x "
386 "portid=%-2x%02x%02x.\n", type,
387 bsg_request->rqst_data.h_els.command_code, fcport->loop_id,
388 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa);
389
390 rval = qla2x00_start_sp(sp);
391 if (rval != QLA_SUCCESS) {
392 ql_log(ql_log_warn, vha, 0x700e,
393 "qla2x00_start_sp failed = %d\n", rval);
394 qla2x00_rel_sp(sp);
395 rval = -EIO;
396 goto done_unmap_sg;
397 }
398 return rval;
399
400 done_unmap_sg:
401 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
402 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
403 dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
404 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
405 goto done_free_fcport;
406
407 done_free_fcport:
408 if (bsg_request->msgcode == FC_BSG_RPT_ELS)
409 kfree(fcport);
410 done:
411 return rval;
412 }
413
414 static inline uint16_t
415 qla24xx_calc_ct_iocbs(uint16_t dsds)
416 {
417 uint16_t iocbs;
418
419 iocbs = 1;
420 if (dsds > 2) {
421 iocbs += (dsds - 2) / 5;
422 if ((dsds - 2) % 5)
423 iocbs++;
424 }
425 return iocbs;
426 }
427
428 static int
429 qla2x00_process_ct(struct bsg_job *bsg_job)
430 {
431 srb_t *sp;
432 struct fc_bsg_request *bsg_request = bsg_job->request;
433 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
434 scsi_qla_host_t *vha = shost_priv(host);
435 struct qla_hw_data *ha = vha->hw;
436 int rval = (DRIVER_ERROR << 16);
437 int req_sg_cnt, rsp_sg_cnt;
438 uint16_t loop_id;
439 struct fc_port *fcport;
440 char *type = "FC_BSG_HST_CT";
441
442 req_sg_cnt =
443 dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
444 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
445 if (!req_sg_cnt) {
446 ql_log(ql_log_warn, vha, 0x700f,
447 "dma_map_sg return %d for request\n", req_sg_cnt);
448 rval = -ENOMEM;
449 goto done;
450 }
451
452 rsp_sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
453 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
454 if (!rsp_sg_cnt) {
455 ql_log(ql_log_warn, vha, 0x7010,
456 "dma_map_sg return %d for reply\n", rsp_sg_cnt);
457 rval = -ENOMEM;
458 goto done;
459 }
460
461 if ((req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
462 (rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
463 ql_log(ql_log_warn, vha, 0x7011,
464 "request_sg_cnt: %x dma_request_sg_cnt: %x reply_sg_cnt:%x "
465 "dma_reply_sg_cnt: %x\n", bsg_job->request_payload.sg_cnt,
466 req_sg_cnt, bsg_job->reply_payload.sg_cnt, rsp_sg_cnt);
467 rval = -EAGAIN;
468 goto done_unmap_sg;
469 }
470
471 if (!vha->flags.online) {
472 ql_log(ql_log_warn, vha, 0x7012,
473 "Host is not online.\n");
474 rval = -EIO;
475 goto done_unmap_sg;
476 }
477
478 loop_id =
479 (bsg_request->rqst_data.h_ct.preamble_word1 & 0xFF000000)
480 >> 24;
481 switch (loop_id) {
482 case 0xFC:
483 loop_id = cpu_to_le16(NPH_SNS);
484 break;
485 case 0xFA:
486 loop_id = vha->mgmt_svr_loop_id;
487 break;
488 default:
489 ql_dbg(ql_dbg_user, vha, 0x7013,
490 "Unknown loop id: %x.\n", loop_id);
491 rval = -EINVAL;
492 goto done_unmap_sg;
493 }
494
495 /* Allocate a dummy fcport structure, since functions preparing the
496 * IOCB and mailbox command retrieves port specific information
497 * from fcport structure. For Host based ELS commands there will be
498 * no fcport structure allocated
499 */
500 fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
501 if (!fcport) {
502 ql_log(ql_log_warn, vha, 0x7014,
503 "Failed to allocate fcport.\n");
504 rval = -ENOMEM;
505 goto done_unmap_sg;
506 }
507
508 /* Initialize all required fields of fcport */
509 fcport->vha = vha;
510 fcport->d_id.b.al_pa = bsg_request->rqst_data.h_ct.port_id[0];
511 fcport->d_id.b.area = bsg_request->rqst_data.h_ct.port_id[1];
512 fcport->d_id.b.domain = bsg_request->rqst_data.h_ct.port_id[2];
513 fcport->loop_id = loop_id;
514
515 /* Alloc SRB structure */
516 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
517 if (!sp) {
518 ql_log(ql_log_warn, vha, 0x7015,
519 "qla2x00_get_sp failed.\n");
520 rval = -ENOMEM;
521 goto done_free_fcport;
522 }
523
524 sp->type = SRB_CT_CMD;
525 sp->name = "bsg_ct";
526 sp->iocbs = qla24xx_calc_ct_iocbs(req_sg_cnt + rsp_sg_cnt);
527 sp->u.bsg_job = bsg_job;
528 sp->free = qla2x00_bsg_sp_free;
529 sp->done = qla2x00_bsg_job_done;
530
531 ql_dbg(ql_dbg_user, vha, 0x7016,
532 "bsg rqst type: %s else type: %x - "
533 "loop-id=%x portid=%02x%02x%02x.\n", type,
534 (bsg_request->rqst_data.h_ct.preamble_word2 >> 16),
535 fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area,
536 fcport->d_id.b.al_pa);
537
538 rval = qla2x00_start_sp(sp);
539 if (rval != QLA_SUCCESS) {
540 ql_log(ql_log_warn, vha, 0x7017,
541 "qla2x00_start_sp failed=%d.\n", rval);
542 qla2x00_rel_sp(sp);
543 rval = -EIO;
544 goto done_free_fcport;
545 }
546 return rval;
547
548 done_free_fcport:
549 kfree(fcport);
550 done_unmap_sg:
551 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
552 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
553 dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
554 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
555 done:
556 return rval;
557 }
558
559 /* Disable loopback mode */
560 static inline int
561 qla81xx_reset_loopback_mode(scsi_qla_host_t *vha, uint16_t *config,
562 int wait, int wait2)
563 {
564 int ret = 0;
565 int rval = 0;
566 uint16_t new_config[4];
567 struct qla_hw_data *ha = vha->hw;
568
569 if (!IS_QLA81XX(ha) && !IS_QLA8031(ha) && !IS_QLA8044(ha))
570 goto done_reset_internal;
571
572 memset(new_config, 0 , sizeof(new_config));
573 if ((config[0] & INTERNAL_LOOPBACK_MASK) >> 1 ==
574 ENABLE_INTERNAL_LOOPBACK ||
575 (config[0] & INTERNAL_LOOPBACK_MASK) >> 1 ==
576 ENABLE_EXTERNAL_LOOPBACK) {
577 new_config[0] = config[0] & ~INTERNAL_LOOPBACK_MASK;
578 ql_dbg(ql_dbg_user, vha, 0x70bf, "new_config[0]=%02x\n",
579 (new_config[0] & INTERNAL_LOOPBACK_MASK));
580 memcpy(&new_config[1], &config[1], sizeof(uint16_t) * 3) ;
581
582 ha->notify_dcbx_comp = wait;
583 ha->notify_lb_portup_comp = wait2;
584
585 ret = qla81xx_set_port_config(vha, new_config);
586 if (ret != QLA_SUCCESS) {
587 ql_log(ql_log_warn, vha, 0x7025,
588 "Set port config failed.\n");
589 ha->notify_dcbx_comp = 0;
590 ha->notify_lb_portup_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 (DCBX_COMP_TIMEOUT * HZ))) {
598 ql_dbg(ql_dbg_user, vha, 0x7026,
599 "DCBX completion not received.\n");
600 ha->notify_dcbx_comp = 0;
601 ha->notify_lb_portup_comp = 0;
602 rval = -EINVAL;
603 goto done_reset_internal;
604 } else
605 ql_dbg(ql_dbg_user, vha, 0x7027,
606 "DCBX completion received.\n");
607
608 if (wait2 &&
609 !wait_for_completion_timeout(&ha->lb_portup_comp,
610 (LB_PORTUP_COMP_TIMEOUT * HZ))) {
611 ql_dbg(ql_dbg_user, vha, 0x70c5,
612 "Port up completion not received.\n");
613 ha->notify_lb_portup_comp = 0;
614 rval = -EINVAL;
615 goto done_reset_internal;
616 } else
617 ql_dbg(ql_dbg_user, vha, 0x70c6,
618 "Port up completion received.\n");
619
620 ha->notify_dcbx_comp = 0;
621 ha->notify_lb_portup_comp = 0;
622 }
623 done_reset_internal:
624 return rval;
625 }
626
627 /*
628 * Set the port configuration to enable the internal or external loopback
629 * depending on the loopback mode.
630 */
631 static inline int
632 qla81xx_set_loopback_mode(scsi_qla_host_t *vha, uint16_t *config,
633 uint16_t *new_config, uint16_t mode)
634 {
635 int ret = 0;
636 int rval = 0;
637 unsigned long rem_tmo = 0, current_tmo = 0;
638 struct qla_hw_data *ha = vha->hw;
639
640 if (!IS_QLA81XX(ha) && !IS_QLA8031(ha) && !IS_QLA8044(ha))
641 goto done_set_internal;
642
643 if (mode == INTERNAL_LOOPBACK)
644 new_config[0] = config[0] | (ENABLE_INTERNAL_LOOPBACK << 1);
645 else if (mode == EXTERNAL_LOOPBACK)
646 new_config[0] = config[0] | (ENABLE_EXTERNAL_LOOPBACK << 1);
647 ql_dbg(ql_dbg_user, vha, 0x70be,
648 "new_config[0]=%02x\n", (new_config[0] & INTERNAL_LOOPBACK_MASK));
649
650 memcpy(&new_config[1], &config[1], sizeof(uint16_t) * 3);
651
652 ha->notify_dcbx_comp = 1;
653 ret = qla81xx_set_port_config(vha, new_config);
654 if (ret != QLA_SUCCESS) {
655 ql_log(ql_log_warn, vha, 0x7021,
656 "set port config failed.\n");
657 ha->notify_dcbx_comp = 0;
658 rval = -EINVAL;
659 goto done_set_internal;
660 }
661
662 /* Wait for DCBX complete event */
663 current_tmo = DCBX_COMP_TIMEOUT * HZ;
664 while (1) {
665 rem_tmo = wait_for_completion_timeout(&ha->dcbx_comp,
666 current_tmo);
667 if (!ha->idc_extend_tmo || rem_tmo) {
668 ha->idc_extend_tmo = 0;
669 break;
670 }
671 current_tmo = ha->idc_extend_tmo * HZ;
672 ha->idc_extend_tmo = 0;
673 }
674
675 if (!rem_tmo) {
676 ql_dbg(ql_dbg_user, vha, 0x7022,
677 "DCBX completion not received.\n");
678 ret = qla81xx_reset_loopback_mode(vha, new_config, 0, 0);
679 /*
680 * If the reset of the loopback mode doesn't work take a FCoE
681 * dump and reset the chip.
682 */
683 if (ret) {
684 ha->isp_ops->fw_dump(vha, 0);
685 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
686 }
687 rval = -EINVAL;
688 } else {
689 if (ha->flags.idc_compl_status) {
690 ql_dbg(ql_dbg_user, vha, 0x70c3,
691 "Bad status in IDC Completion AEN\n");
692 rval = -EINVAL;
693 ha->flags.idc_compl_status = 0;
694 } else
695 ql_dbg(ql_dbg_user, vha, 0x7023,
696 "DCBX completion received.\n");
697 }
698
699 ha->notify_dcbx_comp = 0;
700 ha->idc_extend_tmo = 0;
701
702 done_set_internal:
703 return rval;
704 }
705
706 static int
707 qla2x00_process_loopback(struct bsg_job *bsg_job)
708 {
709 struct fc_bsg_request *bsg_request = bsg_job->request;
710 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
711 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
712 scsi_qla_host_t *vha = shost_priv(host);
713 struct qla_hw_data *ha = vha->hw;
714 int rval;
715 uint8_t command_sent;
716 char *type;
717 struct msg_echo_lb elreq;
718 uint16_t response[MAILBOX_REGISTER_COUNT];
719 uint16_t config[4], new_config[4];
720 uint8_t *fw_sts_ptr;
721 uint8_t *req_data = NULL;
722 dma_addr_t req_data_dma;
723 uint32_t req_data_len;
724 uint8_t *rsp_data = NULL;
725 dma_addr_t rsp_data_dma;
726 uint32_t rsp_data_len;
727
728 if (!vha->flags.online) {
729 ql_log(ql_log_warn, vha, 0x7019, "Host is not online.\n");
730 return -EIO;
731 }
732
733 memset(&elreq, 0, sizeof(elreq));
734
735 elreq.req_sg_cnt = dma_map_sg(&ha->pdev->dev,
736 bsg_job->request_payload.sg_list, bsg_job->request_payload.sg_cnt,
737 DMA_TO_DEVICE);
738
739 if (!elreq.req_sg_cnt) {
740 ql_log(ql_log_warn, vha, 0x701a,
741 "dma_map_sg returned %d for request.\n", elreq.req_sg_cnt);
742 return -ENOMEM;
743 }
744
745 elreq.rsp_sg_cnt = dma_map_sg(&ha->pdev->dev,
746 bsg_job->reply_payload.sg_list, bsg_job->reply_payload.sg_cnt,
747 DMA_FROM_DEVICE);
748
749 if (!elreq.rsp_sg_cnt) {
750 ql_log(ql_log_warn, vha, 0x701b,
751 "dma_map_sg returned %d for reply.\n", elreq.rsp_sg_cnt);
752 rval = -ENOMEM;
753 goto done_unmap_req_sg;
754 }
755
756 if ((elreq.req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
757 (elreq.rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
758 ql_log(ql_log_warn, vha, 0x701c,
759 "dma mapping resulted in different sg counts, "
760 "request_sg_cnt: %x dma_request_sg_cnt: %x "
761 "reply_sg_cnt: %x dma_reply_sg_cnt: %x.\n",
762 bsg_job->request_payload.sg_cnt, elreq.req_sg_cnt,
763 bsg_job->reply_payload.sg_cnt, elreq.rsp_sg_cnt);
764 rval = -EAGAIN;
765 goto done_unmap_sg;
766 }
767 req_data_len = rsp_data_len = bsg_job->request_payload.payload_len;
768 req_data = dma_alloc_coherent(&ha->pdev->dev, req_data_len,
769 &req_data_dma, GFP_KERNEL);
770 if (!req_data) {
771 ql_log(ql_log_warn, vha, 0x701d,
772 "dma alloc failed for req_data.\n");
773 rval = -ENOMEM;
774 goto done_unmap_sg;
775 }
776
777 rsp_data = dma_alloc_coherent(&ha->pdev->dev, rsp_data_len,
778 &rsp_data_dma, GFP_KERNEL);
779 if (!rsp_data) {
780 ql_log(ql_log_warn, vha, 0x7004,
781 "dma alloc failed for rsp_data.\n");
782 rval = -ENOMEM;
783 goto done_free_dma_req;
784 }
785
786 /* Copy the request buffer in req_data now */
787 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
788 bsg_job->request_payload.sg_cnt, req_data, req_data_len);
789
790 elreq.send_dma = req_data_dma;
791 elreq.rcv_dma = rsp_data_dma;
792 elreq.transfer_size = req_data_len;
793
794 elreq.options = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
795 elreq.iteration_count =
796 bsg_request->rqst_data.h_vendor.vendor_cmd[2];
797
798 if (atomic_read(&vha->loop_state) == LOOP_READY &&
799 (ha->current_topology == ISP_CFG_F ||
800 (le32_to_cpu(*(uint32_t *)req_data) == ELS_OPCODE_BYTE &&
801 req_data_len == MAX_ELS_FRAME_PAYLOAD)) &&
802 elreq.options == EXTERNAL_LOOPBACK) {
803 type = "FC_BSG_HST_VENDOR_ECHO_DIAG";
804 ql_dbg(ql_dbg_user, vha, 0x701e,
805 "BSG request type: %s.\n", type);
806 command_sent = INT_DEF_LB_ECHO_CMD;
807 rval = qla2x00_echo_test(vha, &elreq, response);
808 } else {
809 if (IS_QLA81XX(ha) || IS_QLA8031(ha) || IS_QLA8044(ha)) {
810 memset(config, 0, sizeof(config));
811 memset(new_config, 0, sizeof(new_config));
812
813 if (qla81xx_get_port_config(vha, config)) {
814 ql_log(ql_log_warn, vha, 0x701f,
815 "Get port config failed.\n");
816 rval = -EPERM;
817 goto done_free_dma_rsp;
818 }
819
820 if ((config[0] & INTERNAL_LOOPBACK_MASK) != 0) {
821 ql_dbg(ql_dbg_user, vha, 0x70c4,
822 "Loopback operation already in "
823 "progress.\n");
824 rval = -EAGAIN;
825 goto done_free_dma_rsp;
826 }
827
828 ql_dbg(ql_dbg_user, vha, 0x70c0,
829 "elreq.options=%04x\n", elreq.options);
830
831 if (elreq.options == EXTERNAL_LOOPBACK)
832 if (IS_QLA8031(ha) || IS_QLA8044(ha))
833 rval = qla81xx_set_loopback_mode(vha,
834 config, new_config, elreq.options);
835 else
836 rval = qla81xx_reset_loopback_mode(vha,
837 config, 1, 0);
838 else
839 rval = qla81xx_set_loopback_mode(vha, config,
840 new_config, elreq.options);
841
842 if (rval) {
843 rval = -EPERM;
844 goto done_free_dma_rsp;
845 }
846
847 type = "FC_BSG_HST_VENDOR_LOOPBACK";
848 ql_dbg(ql_dbg_user, vha, 0x7028,
849 "BSG request type: %s.\n", type);
850
851 command_sent = INT_DEF_LB_LOOPBACK_CMD;
852 rval = qla2x00_loopback_test(vha, &elreq, response);
853
854 if (response[0] == MBS_COMMAND_ERROR &&
855 response[1] == MBS_LB_RESET) {
856 ql_log(ql_log_warn, vha, 0x7029,
857 "MBX command error, Aborting ISP.\n");
858 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
859 qla2xxx_wake_dpc(vha);
860 qla2x00_wait_for_chip_reset(vha);
861 /* Also reset the MPI */
862 if (IS_QLA81XX(ha)) {
863 if (qla81xx_restart_mpi_firmware(vha) !=
864 QLA_SUCCESS) {
865 ql_log(ql_log_warn, vha, 0x702a,
866 "MPI reset failed.\n");
867 }
868 }
869
870 rval = -EIO;
871 goto done_free_dma_rsp;
872 }
873
874 if (new_config[0]) {
875 int ret;
876
877 /* Revert back to original port config
878 * Also clear internal loopback
879 */
880 ret = qla81xx_reset_loopback_mode(vha,
881 new_config, 0, 1);
882 if (ret) {
883 /*
884 * If the reset of the loopback mode
885 * doesn't work take FCoE dump and then
886 * reset the chip.
887 */
888 ha->isp_ops->fw_dump(vha, 0);
889 set_bit(ISP_ABORT_NEEDED,
890 &vha->dpc_flags);
891 }
892
893 }
894
895 } else {
896 type = "FC_BSG_HST_VENDOR_LOOPBACK";
897 ql_dbg(ql_dbg_user, vha, 0x702b,
898 "BSG request type: %s.\n", type);
899 command_sent = INT_DEF_LB_LOOPBACK_CMD;
900 rval = qla2x00_loopback_test(vha, &elreq, response);
901 }
902 }
903
904 if (rval) {
905 ql_log(ql_log_warn, vha, 0x702c,
906 "Vendor request %s failed.\n", type);
907
908 rval = 0;
909 bsg_reply->result = (DID_ERROR << 16);
910 bsg_reply->reply_payload_rcv_len = 0;
911 } else {
912 ql_dbg(ql_dbg_user, vha, 0x702d,
913 "Vendor request %s completed.\n", type);
914 bsg_reply->result = (DID_OK << 16);
915 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
916 bsg_job->reply_payload.sg_cnt, rsp_data,
917 rsp_data_len);
918 }
919
920 bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
921 sizeof(response) + sizeof(uint8_t);
922 fw_sts_ptr = bsg_job->reply + sizeof(struct fc_bsg_reply);
923 memcpy(bsg_job->reply + sizeof(struct fc_bsg_reply), response,
924 sizeof(response));
925 fw_sts_ptr += sizeof(response);
926 *fw_sts_ptr = command_sent;
927
928 done_free_dma_rsp:
929 dma_free_coherent(&ha->pdev->dev, rsp_data_len,
930 rsp_data, rsp_data_dma);
931 done_free_dma_req:
932 dma_free_coherent(&ha->pdev->dev, req_data_len,
933 req_data, req_data_dma);
934 done_unmap_sg:
935 dma_unmap_sg(&ha->pdev->dev,
936 bsg_job->reply_payload.sg_list,
937 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
938 done_unmap_req_sg:
939 dma_unmap_sg(&ha->pdev->dev,
940 bsg_job->request_payload.sg_list,
941 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
942 if (!rval)
943 bsg_job_done(bsg_job, bsg_reply->result,
944 bsg_reply->reply_payload_rcv_len);
945 return rval;
946 }
947
948 static int
949 qla84xx_reset(struct bsg_job *bsg_job)
950 {
951 struct fc_bsg_request *bsg_request = bsg_job->request;
952 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
953 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
954 scsi_qla_host_t *vha = shost_priv(host);
955 struct qla_hw_data *ha = vha->hw;
956 int rval = 0;
957 uint32_t flag;
958
959 if (!IS_QLA84XX(ha)) {
960 ql_dbg(ql_dbg_user, vha, 0x702f, "Not 84xx, exiting.\n");
961 return -EINVAL;
962 }
963
964 flag = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
965
966 rval = qla84xx_reset_chip(vha, flag == A84_ISSUE_RESET_DIAG_FW);
967
968 if (rval) {
969 ql_log(ql_log_warn, vha, 0x7030,
970 "Vendor request 84xx reset failed.\n");
971 rval = (DID_ERROR << 16);
972
973 } else {
974 ql_dbg(ql_dbg_user, vha, 0x7031,
975 "Vendor request 84xx reset completed.\n");
976 bsg_reply->result = DID_OK;
977 bsg_job_done(bsg_job, bsg_reply->result,
978 bsg_reply->reply_payload_rcv_len);
979 }
980
981 return rval;
982 }
983
984 static int
985 qla84xx_updatefw(struct bsg_job *bsg_job)
986 {
987 struct fc_bsg_request *bsg_request = bsg_job->request;
988 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
989 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
990 scsi_qla_host_t *vha = shost_priv(host);
991 struct qla_hw_data *ha = vha->hw;
992 struct verify_chip_entry_84xx *mn = NULL;
993 dma_addr_t mn_dma, fw_dma;
994 void *fw_buf = NULL;
995 int rval = 0;
996 uint32_t sg_cnt;
997 uint32_t data_len;
998 uint16_t options;
999 uint32_t flag;
1000 uint32_t fw_ver;
1001
1002 if (!IS_QLA84XX(ha)) {
1003 ql_dbg(ql_dbg_user, vha, 0x7032,
1004 "Not 84xx, exiting.\n");
1005 return -EINVAL;
1006 }
1007
1008 sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
1009 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1010 if (!sg_cnt) {
1011 ql_log(ql_log_warn, vha, 0x7033,
1012 "dma_map_sg returned %d for request.\n", sg_cnt);
1013 return -ENOMEM;
1014 }
1015
1016 if (sg_cnt != bsg_job->request_payload.sg_cnt) {
1017 ql_log(ql_log_warn, vha, 0x7034,
1018 "DMA mapping resulted in different sg counts, "
1019 "request_sg_cnt: %x dma_request_sg_cnt: %x.\n",
1020 bsg_job->request_payload.sg_cnt, sg_cnt);
1021 rval = -EAGAIN;
1022 goto done_unmap_sg;
1023 }
1024
1025 data_len = bsg_job->request_payload.payload_len;
1026 fw_buf = dma_alloc_coherent(&ha->pdev->dev, data_len,
1027 &fw_dma, GFP_KERNEL);
1028 if (!fw_buf) {
1029 ql_log(ql_log_warn, vha, 0x7035,
1030 "DMA alloc failed for fw_buf.\n");
1031 rval = -ENOMEM;
1032 goto done_unmap_sg;
1033 }
1034
1035 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1036 bsg_job->request_payload.sg_cnt, fw_buf, data_len);
1037
1038 mn = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &mn_dma);
1039 if (!mn) {
1040 ql_log(ql_log_warn, vha, 0x7036,
1041 "DMA alloc failed for fw buffer.\n");
1042 rval = -ENOMEM;
1043 goto done_free_fw_buf;
1044 }
1045
1046 flag = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
1047 fw_ver = le32_to_cpu(*((uint32_t *)((uint32_t *)fw_buf + 2)));
1048
1049 memset(mn, 0, sizeof(struct access_chip_84xx));
1050 mn->entry_type = VERIFY_CHIP_IOCB_TYPE;
1051 mn->entry_count = 1;
1052
1053 options = VCO_FORCE_UPDATE | VCO_END_OF_DATA;
1054 if (flag == A84_ISSUE_UPDATE_DIAGFW_CMD)
1055 options |= VCO_DIAG_FW;
1056
1057 mn->options = cpu_to_le16(options);
1058 mn->fw_ver = cpu_to_le32(fw_ver);
1059 mn->fw_size = cpu_to_le32(data_len);
1060 mn->fw_seq_size = cpu_to_le32(data_len);
1061 mn->dseg_address[0] = cpu_to_le32(LSD(fw_dma));
1062 mn->dseg_address[1] = cpu_to_le32(MSD(fw_dma));
1063 mn->dseg_length = cpu_to_le32(data_len);
1064 mn->data_seg_cnt = cpu_to_le16(1);
1065
1066 rval = qla2x00_issue_iocb_timeout(vha, mn, mn_dma, 0, 120);
1067
1068 if (rval) {
1069 ql_log(ql_log_warn, vha, 0x7037,
1070 "Vendor request 84xx updatefw failed.\n");
1071
1072 rval = (DID_ERROR << 16);
1073 } else {
1074 ql_dbg(ql_dbg_user, vha, 0x7038,
1075 "Vendor request 84xx updatefw completed.\n");
1076
1077 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1078 bsg_reply->result = DID_OK;
1079 }
1080
1081 dma_pool_free(ha->s_dma_pool, mn, mn_dma);
1082
1083 done_free_fw_buf:
1084 dma_free_coherent(&ha->pdev->dev, data_len, fw_buf, fw_dma);
1085
1086 done_unmap_sg:
1087 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
1088 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1089
1090 if (!rval)
1091 bsg_job_done(bsg_job, bsg_reply->result,
1092 bsg_reply->reply_payload_rcv_len);
1093 return rval;
1094 }
1095
1096 static int
1097 qla84xx_mgmt_cmd(struct bsg_job *bsg_job)
1098 {
1099 struct fc_bsg_request *bsg_request = bsg_job->request;
1100 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1101 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1102 scsi_qla_host_t *vha = shost_priv(host);
1103 struct qla_hw_data *ha = vha->hw;
1104 struct access_chip_84xx *mn = NULL;
1105 dma_addr_t mn_dma, mgmt_dma;
1106 void *mgmt_b = NULL;
1107 int rval = 0;
1108 struct qla_bsg_a84_mgmt *ql84_mgmt;
1109 uint32_t sg_cnt;
1110 uint32_t data_len = 0;
1111 uint32_t dma_direction = DMA_NONE;
1112
1113 if (!IS_QLA84XX(ha)) {
1114 ql_log(ql_log_warn, vha, 0x703a,
1115 "Not 84xx, exiting.\n");
1116 return -EINVAL;
1117 }
1118
1119 mn = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL, &mn_dma);
1120 if (!mn) {
1121 ql_log(ql_log_warn, vha, 0x703c,
1122 "DMA alloc failed for fw buffer.\n");
1123 return -ENOMEM;
1124 }
1125
1126 mn->entry_type = ACCESS_CHIP_IOCB_TYPE;
1127 mn->entry_count = 1;
1128 ql84_mgmt = (void *)bsg_request + sizeof(struct fc_bsg_request);
1129 switch (ql84_mgmt->mgmt.cmd) {
1130 case QLA84_MGMT_READ_MEM:
1131 case QLA84_MGMT_GET_INFO:
1132 sg_cnt = dma_map_sg(&ha->pdev->dev,
1133 bsg_job->reply_payload.sg_list,
1134 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
1135 if (!sg_cnt) {
1136 ql_log(ql_log_warn, vha, 0x703d,
1137 "dma_map_sg returned %d for reply.\n", sg_cnt);
1138 rval = -ENOMEM;
1139 goto exit_mgmt;
1140 }
1141
1142 dma_direction = DMA_FROM_DEVICE;
1143
1144 if (sg_cnt != bsg_job->reply_payload.sg_cnt) {
1145 ql_log(ql_log_warn, vha, 0x703e,
1146 "DMA mapping resulted in different sg counts, "
1147 "reply_sg_cnt: %x dma_reply_sg_cnt: %x.\n",
1148 bsg_job->reply_payload.sg_cnt, sg_cnt);
1149 rval = -EAGAIN;
1150 goto done_unmap_sg;
1151 }
1152
1153 data_len = bsg_job->reply_payload.payload_len;
1154
1155 mgmt_b = dma_alloc_coherent(&ha->pdev->dev, data_len,
1156 &mgmt_dma, GFP_KERNEL);
1157 if (!mgmt_b) {
1158 ql_log(ql_log_warn, vha, 0x703f,
1159 "DMA alloc failed for mgmt_b.\n");
1160 rval = -ENOMEM;
1161 goto done_unmap_sg;
1162 }
1163
1164 if (ql84_mgmt->mgmt.cmd == QLA84_MGMT_READ_MEM) {
1165 mn->options = cpu_to_le16(ACO_DUMP_MEMORY);
1166 mn->parameter1 =
1167 cpu_to_le32(
1168 ql84_mgmt->mgmt.mgmtp.u.mem.start_addr);
1169
1170 } else if (ql84_mgmt->mgmt.cmd == QLA84_MGMT_GET_INFO) {
1171 mn->options = cpu_to_le16(ACO_REQUEST_INFO);
1172 mn->parameter1 =
1173 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.info.type);
1174
1175 mn->parameter2 =
1176 cpu_to_le32(
1177 ql84_mgmt->mgmt.mgmtp.u.info.context);
1178 }
1179 break;
1180
1181 case QLA84_MGMT_WRITE_MEM:
1182 sg_cnt = dma_map_sg(&ha->pdev->dev,
1183 bsg_job->request_payload.sg_list,
1184 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1185
1186 if (!sg_cnt) {
1187 ql_log(ql_log_warn, vha, 0x7040,
1188 "dma_map_sg returned %d.\n", sg_cnt);
1189 rval = -ENOMEM;
1190 goto exit_mgmt;
1191 }
1192
1193 dma_direction = DMA_TO_DEVICE;
1194
1195 if (sg_cnt != bsg_job->request_payload.sg_cnt) {
1196 ql_log(ql_log_warn, vha, 0x7041,
1197 "DMA mapping resulted in different sg counts, "
1198 "request_sg_cnt: %x dma_request_sg_cnt: %x.\n",
1199 bsg_job->request_payload.sg_cnt, sg_cnt);
1200 rval = -EAGAIN;
1201 goto done_unmap_sg;
1202 }
1203
1204 data_len = bsg_job->request_payload.payload_len;
1205 mgmt_b = dma_alloc_coherent(&ha->pdev->dev, data_len,
1206 &mgmt_dma, GFP_KERNEL);
1207 if (!mgmt_b) {
1208 ql_log(ql_log_warn, vha, 0x7042,
1209 "DMA alloc failed for mgmt_b.\n");
1210 rval = -ENOMEM;
1211 goto done_unmap_sg;
1212 }
1213
1214 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1215 bsg_job->request_payload.sg_cnt, mgmt_b, data_len);
1216
1217 mn->options = cpu_to_le16(ACO_LOAD_MEMORY);
1218 mn->parameter1 =
1219 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.mem.start_addr);
1220 break;
1221
1222 case QLA84_MGMT_CHNG_CONFIG:
1223 mn->options = cpu_to_le16(ACO_CHANGE_CONFIG_PARAM);
1224 mn->parameter1 =
1225 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.id);
1226
1227 mn->parameter2 =
1228 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.param0);
1229
1230 mn->parameter3 =
1231 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.param1);
1232 break;
1233
1234 default:
1235 rval = -EIO;
1236 goto exit_mgmt;
1237 }
1238
1239 if (ql84_mgmt->mgmt.cmd != QLA84_MGMT_CHNG_CONFIG) {
1240 mn->total_byte_cnt = cpu_to_le32(ql84_mgmt->mgmt.len);
1241 mn->dseg_count = cpu_to_le16(1);
1242 mn->dseg_address[0] = cpu_to_le32(LSD(mgmt_dma));
1243 mn->dseg_address[1] = cpu_to_le32(MSD(mgmt_dma));
1244 mn->dseg_length = cpu_to_le32(ql84_mgmt->mgmt.len);
1245 }
1246
1247 rval = qla2x00_issue_iocb(vha, mn, mn_dma, 0);
1248
1249 if (rval) {
1250 ql_log(ql_log_warn, vha, 0x7043,
1251 "Vendor request 84xx mgmt failed.\n");
1252
1253 rval = (DID_ERROR << 16);
1254
1255 } else {
1256 ql_dbg(ql_dbg_user, vha, 0x7044,
1257 "Vendor request 84xx mgmt completed.\n");
1258
1259 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1260 bsg_reply->result = DID_OK;
1261
1262 if ((ql84_mgmt->mgmt.cmd == QLA84_MGMT_READ_MEM) ||
1263 (ql84_mgmt->mgmt.cmd == QLA84_MGMT_GET_INFO)) {
1264 bsg_reply->reply_payload_rcv_len =
1265 bsg_job->reply_payload.payload_len;
1266
1267 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1268 bsg_job->reply_payload.sg_cnt, mgmt_b,
1269 data_len);
1270 }
1271 }
1272
1273 done_unmap_sg:
1274 if (mgmt_b)
1275 dma_free_coherent(&ha->pdev->dev, data_len, mgmt_b, mgmt_dma);
1276
1277 if (dma_direction == DMA_TO_DEVICE)
1278 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
1279 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1280 else if (dma_direction == DMA_FROM_DEVICE)
1281 dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
1282 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
1283
1284 exit_mgmt:
1285 dma_pool_free(ha->s_dma_pool, mn, mn_dma);
1286
1287 if (!rval)
1288 bsg_job_done(bsg_job, bsg_reply->result,
1289 bsg_reply->reply_payload_rcv_len);
1290 return rval;
1291 }
1292
1293 static int
1294 qla24xx_iidma(struct bsg_job *bsg_job)
1295 {
1296 struct fc_bsg_request *bsg_request = bsg_job->request;
1297 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1298 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1299 scsi_qla_host_t *vha = shost_priv(host);
1300 int rval = 0;
1301 struct qla_port_param *port_param = NULL;
1302 fc_port_t *fcport = NULL;
1303 int found = 0;
1304 uint16_t mb[MAILBOX_REGISTER_COUNT];
1305 uint8_t *rsp_ptr = NULL;
1306
1307 if (!IS_IIDMA_CAPABLE(vha->hw)) {
1308 ql_log(ql_log_info, vha, 0x7046, "iiDMA not supported.\n");
1309 return -EINVAL;
1310 }
1311
1312 port_param = (void *)bsg_request + sizeof(struct fc_bsg_request);
1313 if (port_param->fc_scsi_addr.dest_type != EXT_DEF_TYPE_WWPN) {
1314 ql_log(ql_log_warn, vha, 0x7048,
1315 "Invalid destination type.\n");
1316 return -EINVAL;
1317 }
1318
1319 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1320 if (fcport->port_type != FCT_TARGET)
1321 continue;
1322
1323 if (memcmp(port_param->fc_scsi_addr.dest_addr.wwpn,
1324 fcport->port_name, sizeof(fcport->port_name)))
1325 continue;
1326
1327 found = 1;
1328 break;
1329 }
1330
1331 if (!found) {
1332 ql_log(ql_log_warn, vha, 0x7049,
1333 "Failed to find port.\n");
1334 return -EINVAL;
1335 }
1336
1337 if (atomic_read(&fcport->state) != FCS_ONLINE) {
1338 ql_log(ql_log_warn, vha, 0x704a,
1339 "Port is not online.\n");
1340 return -EINVAL;
1341 }
1342
1343 if (fcport->flags & FCF_LOGIN_NEEDED) {
1344 ql_log(ql_log_warn, vha, 0x704b,
1345 "Remote port not logged in flags = 0x%x.\n", fcport->flags);
1346 return -EINVAL;
1347 }
1348
1349 if (port_param->mode)
1350 rval = qla2x00_set_idma_speed(vha, fcport->loop_id,
1351 port_param->speed, mb);
1352 else
1353 rval = qla2x00_get_idma_speed(vha, fcport->loop_id,
1354 &port_param->speed, mb);
1355
1356 if (rval) {
1357 ql_log(ql_log_warn, vha, 0x704c,
1358 "iIDMA cmd failed for %8phN -- "
1359 "%04x %x %04x %04x.\n", fcport->port_name,
1360 rval, fcport->fp_speed, mb[0], mb[1]);
1361 rval = (DID_ERROR << 16);
1362 } else {
1363 if (!port_param->mode) {
1364 bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
1365 sizeof(struct qla_port_param);
1366
1367 rsp_ptr = ((uint8_t *)bsg_reply) +
1368 sizeof(struct fc_bsg_reply);
1369
1370 memcpy(rsp_ptr, port_param,
1371 sizeof(struct qla_port_param));
1372 }
1373
1374 bsg_reply->result = DID_OK;
1375 bsg_job_done(bsg_job, bsg_reply->result,
1376 bsg_reply->reply_payload_rcv_len);
1377 }
1378
1379 return rval;
1380 }
1381
1382 static int
1383 qla2x00_optrom_setup(struct bsg_job *bsg_job, scsi_qla_host_t *vha,
1384 uint8_t is_update)
1385 {
1386 struct fc_bsg_request *bsg_request = bsg_job->request;
1387 uint32_t start = 0;
1388 int valid = 0;
1389 struct qla_hw_data *ha = vha->hw;
1390
1391 if (unlikely(pci_channel_offline(ha->pdev)))
1392 return -EINVAL;
1393
1394 start = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
1395 if (start > ha->optrom_size) {
1396 ql_log(ql_log_warn, vha, 0x7055,
1397 "start %d > optrom_size %d.\n", start, ha->optrom_size);
1398 return -EINVAL;
1399 }
1400
1401 if (ha->optrom_state != QLA_SWAITING) {
1402 ql_log(ql_log_info, vha, 0x7056,
1403 "optrom_state %d.\n", ha->optrom_state);
1404 return -EBUSY;
1405 }
1406
1407 ha->optrom_region_start = start;
1408 ql_dbg(ql_dbg_user, vha, 0x7057, "is_update=%d.\n", is_update);
1409 if (is_update) {
1410 if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0)
1411 valid = 1;
1412 else if (start == (ha->flt_region_boot * 4) ||
1413 start == (ha->flt_region_fw * 4))
1414 valid = 1;
1415 else if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha) ||
1416 IS_CNA_CAPABLE(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha))
1417 valid = 1;
1418 if (!valid) {
1419 ql_log(ql_log_warn, vha, 0x7058,
1420 "Invalid start region 0x%x/0x%x.\n", start,
1421 bsg_job->request_payload.payload_len);
1422 return -EINVAL;
1423 }
1424
1425 ha->optrom_region_size = start +
1426 bsg_job->request_payload.payload_len > ha->optrom_size ?
1427 ha->optrom_size - start :
1428 bsg_job->request_payload.payload_len;
1429 ha->optrom_state = QLA_SWRITING;
1430 } else {
1431 ha->optrom_region_size = start +
1432 bsg_job->reply_payload.payload_len > ha->optrom_size ?
1433 ha->optrom_size - start :
1434 bsg_job->reply_payload.payload_len;
1435 ha->optrom_state = QLA_SREADING;
1436 }
1437
1438 ha->optrom_buffer = vzalloc(ha->optrom_region_size);
1439 if (!ha->optrom_buffer) {
1440 ql_log(ql_log_warn, vha, 0x7059,
1441 "Read: Unable to allocate memory for optrom retrieval "
1442 "(%x)\n", ha->optrom_region_size);
1443
1444 ha->optrom_state = QLA_SWAITING;
1445 return -ENOMEM;
1446 }
1447
1448 return 0;
1449 }
1450
1451 static int
1452 qla2x00_read_optrom(struct bsg_job *bsg_job)
1453 {
1454 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1455 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1456 scsi_qla_host_t *vha = shost_priv(host);
1457 struct qla_hw_data *ha = vha->hw;
1458 int rval = 0;
1459
1460 if (ha->flags.nic_core_reset_hdlr_active)
1461 return -EBUSY;
1462
1463 mutex_lock(&ha->optrom_mutex);
1464 rval = qla2x00_optrom_setup(bsg_job, vha, 0);
1465 if (rval) {
1466 mutex_unlock(&ha->optrom_mutex);
1467 return rval;
1468 }
1469
1470 ha->isp_ops->read_optrom(vha, ha->optrom_buffer,
1471 ha->optrom_region_start, ha->optrom_region_size);
1472
1473 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1474 bsg_job->reply_payload.sg_cnt, ha->optrom_buffer,
1475 ha->optrom_region_size);
1476
1477 bsg_reply->reply_payload_rcv_len = ha->optrom_region_size;
1478 bsg_reply->result = DID_OK;
1479 vfree(ha->optrom_buffer);
1480 ha->optrom_buffer = NULL;
1481 ha->optrom_state = QLA_SWAITING;
1482 mutex_unlock(&ha->optrom_mutex);
1483 bsg_job_done(bsg_job, bsg_reply->result,
1484 bsg_reply->reply_payload_rcv_len);
1485 return rval;
1486 }
1487
1488 static int
1489 qla2x00_update_optrom(struct bsg_job *bsg_job)
1490 {
1491 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1492 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1493 scsi_qla_host_t *vha = shost_priv(host);
1494 struct qla_hw_data *ha = vha->hw;
1495 int rval = 0;
1496
1497 mutex_lock(&ha->optrom_mutex);
1498 rval = qla2x00_optrom_setup(bsg_job, vha, 1);
1499 if (rval) {
1500 mutex_unlock(&ha->optrom_mutex);
1501 return rval;
1502 }
1503
1504 /* Set the isp82xx_no_md_cap not to capture minidump */
1505 ha->flags.isp82xx_no_md_cap = 1;
1506
1507 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1508 bsg_job->request_payload.sg_cnt, ha->optrom_buffer,
1509 ha->optrom_region_size);
1510
1511 ha->isp_ops->write_optrom(vha, ha->optrom_buffer,
1512 ha->optrom_region_start, ha->optrom_region_size);
1513
1514 bsg_reply->result = DID_OK;
1515 vfree(ha->optrom_buffer);
1516 ha->optrom_buffer = NULL;
1517 ha->optrom_state = QLA_SWAITING;
1518 mutex_unlock(&ha->optrom_mutex);
1519 bsg_job_done(bsg_job, bsg_reply->result,
1520 bsg_reply->reply_payload_rcv_len);
1521 return rval;
1522 }
1523
1524 static int
1525 qla2x00_update_fru_versions(struct bsg_job *bsg_job)
1526 {
1527 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1528 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1529 scsi_qla_host_t *vha = shost_priv(host);
1530 struct qla_hw_data *ha = vha->hw;
1531 int rval = 0;
1532 uint8_t bsg[DMA_POOL_SIZE];
1533 struct qla_image_version_list *list = (void *)bsg;
1534 struct qla_image_version *image;
1535 uint32_t count;
1536 dma_addr_t sfp_dma;
1537 void *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1538 if (!sfp) {
1539 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1540 EXT_STATUS_NO_MEMORY;
1541 goto done;
1542 }
1543
1544 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1545 bsg_job->request_payload.sg_cnt, list, sizeof(bsg));
1546
1547 image = list->version;
1548 count = list->count;
1549 while (count--) {
1550 memcpy(sfp, &image->field_info, sizeof(image->field_info));
1551 rval = qla2x00_write_sfp(vha, sfp_dma, sfp,
1552 image->field_address.device, image->field_address.offset,
1553 sizeof(image->field_info), image->field_address.option);
1554 if (rval) {
1555 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1556 EXT_STATUS_MAILBOX;
1557 goto dealloc;
1558 }
1559 image++;
1560 }
1561
1562 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1563
1564 dealloc:
1565 dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1566
1567 done:
1568 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1569 bsg_reply->result = DID_OK << 16;
1570 bsg_job_done(bsg_job, bsg_reply->result,
1571 bsg_reply->reply_payload_rcv_len);
1572
1573 return 0;
1574 }
1575
1576 static int
1577 qla2x00_read_fru_status(struct bsg_job *bsg_job)
1578 {
1579 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1580 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1581 scsi_qla_host_t *vha = shost_priv(host);
1582 struct qla_hw_data *ha = vha->hw;
1583 int rval = 0;
1584 uint8_t bsg[DMA_POOL_SIZE];
1585 struct qla_status_reg *sr = (void *)bsg;
1586 dma_addr_t sfp_dma;
1587 uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1588 if (!sfp) {
1589 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1590 EXT_STATUS_NO_MEMORY;
1591 goto done;
1592 }
1593
1594 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1595 bsg_job->request_payload.sg_cnt, sr, sizeof(*sr));
1596
1597 rval = qla2x00_read_sfp(vha, sfp_dma, sfp,
1598 sr->field_address.device, sr->field_address.offset,
1599 sizeof(sr->status_reg), sr->field_address.option);
1600 sr->status_reg = *sfp;
1601
1602 if (rval) {
1603 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1604 EXT_STATUS_MAILBOX;
1605 goto dealloc;
1606 }
1607
1608 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1609 bsg_job->reply_payload.sg_cnt, sr, sizeof(*sr));
1610
1611 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1612
1613 dealloc:
1614 dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1615
1616 done:
1617 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1618 bsg_reply->reply_payload_rcv_len = sizeof(*sr);
1619 bsg_reply->result = DID_OK << 16;
1620 bsg_job_done(bsg_job, bsg_reply->result,
1621 bsg_reply->reply_payload_rcv_len);
1622
1623 return 0;
1624 }
1625
1626 static int
1627 qla2x00_write_fru_status(struct bsg_job *bsg_job)
1628 {
1629 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1630 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1631 scsi_qla_host_t *vha = shost_priv(host);
1632 struct qla_hw_data *ha = vha->hw;
1633 int rval = 0;
1634 uint8_t bsg[DMA_POOL_SIZE];
1635 struct qla_status_reg *sr = (void *)bsg;
1636 dma_addr_t sfp_dma;
1637 uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1638 if (!sfp) {
1639 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1640 EXT_STATUS_NO_MEMORY;
1641 goto done;
1642 }
1643
1644 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1645 bsg_job->request_payload.sg_cnt, sr, sizeof(*sr));
1646
1647 *sfp = sr->status_reg;
1648 rval = qla2x00_write_sfp(vha, sfp_dma, sfp,
1649 sr->field_address.device, sr->field_address.offset,
1650 sizeof(sr->status_reg), sr->field_address.option);
1651
1652 if (rval) {
1653 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1654 EXT_STATUS_MAILBOX;
1655 goto dealloc;
1656 }
1657
1658 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1659
1660 dealloc:
1661 dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1662
1663 done:
1664 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1665 bsg_reply->result = DID_OK << 16;
1666 bsg_job_done(bsg_job, bsg_reply->result,
1667 bsg_reply->reply_payload_rcv_len);
1668
1669 return 0;
1670 }
1671
1672 static int
1673 qla2x00_write_i2c(struct bsg_job *bsg_job)
1674 {
1675 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1676 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1677 scsi_qla_host_t *vha = shost_priv(host);
1678 struct qla_hw_data *ha = vha->hw;
1679 int rval = 0;
1680 uint8_t bsg[DMA_POOL_SIZE];
1681 struct qla_i2c_access *i2c = (void *)bsg;
1682 dma_addr_t sfp_dma;
1683 uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1684 if (!sfp) {
1685 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1686 EXT_STATUS_NO_MEMORY;
1687 goto done;
1688 }
1689
1690 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1691 bsg_job->request_payload.sg_cnt, i2c, sizeof(*i2c));
1692
1693 memcpy(sfp, i2c->buffer, i2c->length);
1694 rval = qla2x00_write_sfp(vha, sfp_dma, sfp,
1695 i2c->device, i2c->offset, i2c->length, i2c->option);
1696
1697 if (rval) {
1698 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1699 EXT_STATUS_MAILBOX;
1700 goto dealloc;
1701 }
1702
1703 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1704
1705 dealloc:
1706 dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1707
1708 done:
1709 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1710 bsg_reply->result = DID_OK << 16;
1711 bsg_job_done(bsg_job, bsg_reply->result,
1712 bsg_reply->reply_payload_rcv_len);
1713
1714 return 0;
1715 }
1716
1717 static int
1718 qla2x00_read_i2c(struct bsg_job *bsg_job)
1719 {
1720 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1721 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1722 scsi_qla_host_t *vha = shost_priv(host);
1723 struct qla_hw_data *ha = vha->hw;
1724 int rval = 0;
1725 uint8_t bsg[DMA_POOL_SIZE];
1726 struct qla_i2c_access *i2c = (void *)bsg;
1727 dma_addr_t sfp_dma;
1728 uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1729 if (!sfp) {
1730 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1731 EXT_STATUS_NO_MEMORY;
1732 goto done;
1733 }
1734
1735 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1736 bsg_job->request_payload.sg_cnt, i2c, sizeof(*i2c));
1737
1738 rval = qla2x00_read_sfp(vha, sfp_dma, sfp,
1739 i2c->device, i2c->offset, i2c->length, i2c->option);
1740
1741 if (rval) {
1742 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1743 EXT_STATUS_MAILBOX;
1744 goto dealloc;
1745 }
1746
1747 memcpy(i2c->buffer, sfp, i2c->length);
1748 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1749 bsg_job->reply_payload.sg_cnt, i2c, sizeof(*i2c));
1750
1751 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1752
1753 dealloc:
1754 dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1755
1756 done:
1757 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1758 bsg_reply->reply_payload_rcv_len = sizeof(*i2c);
1759 bsg_reply->result = DID_OK << 16;
1760 bsg_job_done(bsg_job, bsg_reply->result,
1761 bsg_reply->reply_payload_rcv_len);
1762
1763 return 0;
1764 }
1765
1766 static int
1767 qla24xx_process_bidir_cmd(struct bsg_job *bsg_job)
1768 {
1769 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1770 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1771 scsi_qla_host_t *vha = shost_priv(host);
1772 struct qla_hw_data *ha = vha->hw;
1773 uint32_t rval = EXT_STATUS_OK;
1774 uint16_t req_sg_cnt = 0;
1775 uint16_t rsp_sg_cnt = 0;
1776 uint16_t nextlid = 0;
1777 uint32_t tot_dsds;
1778 srb_t *sp = NULL;
1779 uint32_t req_data_len = 0;
1780 uint32_t rsp_data_len = 0;
1781
1782 /* Check the type of the adapter */
1783 if (!IS_BIDI_CAPABLE(ha)) {
1784 ql_log(ql_log_warn, vha, 0x70a0,
1785 "This adapter is not supported\n");
1786 rval = EXT_STATUS_NOT_SUPPORTED;
1787 goto done;
1788 }
1789
1790 if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
1791 test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
1792 test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
1793 rval = EXT_STATUS_BUSY;
1794 goto done;
1795 }
1796
1797 /* Check if host is online */
1798 if (!vha->flags.online) {
1799 ql_log(ql_log_warn, vha, 0x70a1,
1800 "Host is not online\n");
1801 rval = EXT_STATUS_DEVICE_OFFLINE;
1802 goto done;
1803 }
1804
1805 /* Check if cable is plugged in or not */
1806 if (vha->device_flags & DFLG_NO_CABLE) {
1807 ql_log(ql_log_warn, vha, 0x70a2,
1808 "Cable is unplugged...\n");
1809 rval = EXT_STATUS_INVALID_CFG;
1810 goto done;
1811 }
1812
1813 /* Check if the switch is connected or not */
1814 if (ha->current_topology != ISP_CFG_F) {
1815 ql_log(ql_log_warn, vha, 0x70a3,
1816 "Host is not connected to the switch\n");
1817 rval = EXT_STATUS_INVALID_CFG;
1818 goto done;
1819 }
1820
1821 /* Check if operating mode is P2P */
1822 if (ha->operating_mode != P2P) {
1823 ql_log(ql_log_warn, vha, 0x70a4,
1824 "Host operating mode is not P2p\n");
1825 rval = EXT_STATUS_INVALID_CFG;
1826 goto done;
1827 }
1828
1829 mutex_lock(&ha->selflogin_lock);
1830 if (vha->self_login_loop_id == 0) {
1831 /* Initialize all required fields of fcport */
1832 vha->bidir_fcport.vha = vha;
1833 vha->bidir_fcport.d_id.b.al_pa = vha->d_id.b.al_pa;
1834 vha->bidir_fcport.d_id.b.area = vha->d_id.b.area;
1835 vha->bidir_fcport.d_id.b.domain = vha->d_id.b.domain;
1836 vha->bidir_fcport.loop_id = vha->loop_id;
1837
1838 if (qla2x00_fabric_login(vha, &(vha->bidir_fcport), &nextlid)) {
1839 ql_log(ql_log_warn, vha, 0x70a7,
1840 "Failed to login port %06X for bidirectional IOCB\n",
1841 vha->bidir_fcport.d_id.b24);
1842 mutex_unlock(&ha->selflogin_lock);
1843 rval = EXT_STATUS_MAILBOX;
1844 goto done;
1845 }
1846 vha->self_login_loop_id = nextlid - 1;
1847
1848 }
1849 /* Assign the self login loop id to fcport */
1850 mutex_unlock(&ha->selflogin_lock);
1851
1852 vha->bidir_fcport.loop_id = vha->self_login_loop_id;
1853
1854 req_sg_cnt = dma_map_sg(&ha->pdev->dev,
1855 bsg_job->request_payload.sg_list,
1856 bsg_job->request_payload.sg_cnt,
1857 DMA_TO_DEVICE);
1858
1859 if (!req_sg_cnt) {
1860 rval = EXT_STATUS_NO_MEMORY;
1861 goto done;
1862 }
1863
1864 rsp_sg_cnt = dma_map_sg(&ha->pdev->dev,
1865 bsg_job->reply_payload.sg_list, bsg_job->reply_payload.sg_cnt,
1866 DMA_FROM_DEVICE);
1867
1868 if (!rsp_sg_cnt) {
1869 rval = EXT_STATUS_NO_MEMORY;
1870 goto done_unmap_req_sg;
1871 }
1872
1873 if ((req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
1874 (rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
1875 ql_dbg(ql_dbg_user, vha, 0x70a9,
1876 "Dma mapping resulted in different sg counts "
1877 "[request_sg_cnt: %x dma_request_sg_cnt: %x reply_sg_cnt: "
1878 "%x dma_reply_sg_cnt: %x]\n",
1879 bsg_job->request_payload.sg_cnt, req_sg_cnt,
1880 bsg_job->reply_payload.sg_cnt, rsp_sg_cnt);
1881 rval = EXT_STATUS_NO_MEMORY;
1882 goto done_unmap_sg;
1883 }
1884
1885 if (req_data_len != rsp_data_len) {
1886 rval = EXT_STATUS_BUSY;
1887 ql_log(ql_log_warn, vha, 0x70aa,
1888 "req_data_len != rsp_data_len\n");
1889 goto done_unmap_sg;
1890 }
1891
1892 req_data_len = bsg_job->request_payload.payload_len;
1893 rsp_data_len = bsg_job->reply_payload.payload_len;
1894
1895
1896 /* Alloc SRB structure */
1897 sp = qla2x00_get_sp(vha, &(vha->bidir_fcport), GFP_KERNEL);
1898 if (!sp) {
1899 ql_dbg(ql_dbg_user, vha, 0x70ac,
1900 "Alloc SRB structure failed\n");
1901 rval = EXT_STATUS_NO_MEMORY;
1902 goto done_unmap_sg;
1903 }
1904
1905 /*Populate srb->ctx with bidir ctx*/
1906 sp->u.bsg_job = bsg_job;
1907 sp->free = qla2x00_bsg_sp_free;
1908 sp->type = SRB_BIDI_CMD;
1909 sp->done = qla2x00_bsg_job_done;
1910
1911 /* Add the read and write sg count */
1912 tot_dsds = rsp_sg_cnt + req_sg_cnt;
1913
1914 rval = qla2x00_start_bidir(sp, vha, tot_dsds);
1915 if (rval != EXT_STATUS_OK)
1916 goto done_free_srb;
1917 /* the bsg request will be completed in the interrupt handler */
1918 return rval;
1919
1920 done_free_srb:
1921 mempool_free(sp, ha->srb_mempool);
1922 done_unmap_sg:
1923 dma_unmap_sg(&ha->pdev->dev,
1924 bsg_job->reply_payload.sg_list,
1925 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
1926 done_unmap_req_sg:
1927 dma_unmap_sg(&ha->pdev->dev,
1928 bsg_job->request_payload.sg_list,
1929 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1930 done:
1931
1932 /* Return an error vendor specific response
1933 * and complete the bsg request
1934 */
1935 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval;
1936 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1937 bsg_reply->reply_payload_rcv_len = 0;
1938 bsg_reply->result = (DID_OK) << 16;
1939 bsg_job_done(bsg_job, bsg_reply->result,
1940 bsg_reply->reply_payload_rcv_len);
1941 /* Always return success, vendor rsp carries correct status */
1942 return 0;
1943 }
1944
1945 static int
1946 qlafx00_mgmt_cmd(struct bsg_job *bsg_job)
1947 {
1948 struct fc_bsg_request *bsg_request = bsg_job->request;
1949 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1950 scsi_qla_host_t *vha = shost_priv(host);
1951 struct qla_hw_data *ha = vha->hw;
1952 int rval = (DRIVER_ERROR << 16);
1953 struct qla_mt_iocb_rqst_fx00 *piocb_rqst;
1954 srb_t *sp;
1955 int req_sg_cnt = 0, rsp_sg_cnt = 0;
1956 struct fc_port *fcport;
1957 char *type = "FC_BSG_HST_FX_MGMT";
1958
1959 /* Copy the IOCB specific information */
1960 piocb_rqst = (struct qla_mt_iocb_rqst_fx00 *)
1961 &bsg_request->rqst_data.h_vendor.vendor_cmd[1];
1962
1963 /* Dump the vendor information */
1964 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose , vha, 0x70cf,
1965 (uint8_t *)piocb_rqst, sizeof(struct qla_mt_iocb_rqst_fx00));
1966
1967 if (!vha->flags.online) {
1968 ql_log(ql_log_warn, vha, 0x70d0,
1969 "Host is not online.\n");
1970 rval = -EIO;
1971 goto done;
1972 }
1973
1974 if (piocb_rqst->flags & SRB_FXDISC_REQ_DMA_VALID) {
1975 req_sg_cnt = dma_map_sg(&ha->pdev->dev,
1976 bsg_job->request_payload.sg_list,
1977 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1978 if (!req_sg_cnt) {
1979 ql_log(ql_log_warn, vha, 0x70c7,
1980 "dma_map_sg return %d for request\n", req_sg_cnt);
1981 rval = -ENOMEM;
1982 goto done;
1983 }
1984 }
1985
1986 if (piocb_rqst->flags & SRB_FXDISC_RESP_DMA_VALID) {
1987 rsp_sg_cnt = dma_map_sg(&ha->pdev->dev,
1988 bsg_job->reply_payload.sg_list,
1989 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
1990 if (!rsp_sg_cnt) {
1991 ql_log(ql_log_warn, vha, 0x70c8,
1992 "dma_map_sg return %d for reply\n", rsp_sg_cnt);
1993 rval = -ENOMEM;
1994 goto done_unmap_req_sg;
1995 }
1996 }
1997
1998 ql_dbg(ql_dbg_user, vha, 0x70c9,
1999 "request_sg_cnt: %x dma_request_sg_cnt: %x reply_sg_cnt:%x "
2000 "dma_reply_sg_cnt: %x\n", bsg_job->request_payload.sg_cnt,
2001 req_sg_cnt, bsg_job->reply_payload.sg_cnt, rsp_sg_cnt);
2002
2003 /* Allocate a dummy fcport structure, since functions preparing the
2004 * IOCB and mailbox command retrieves port specific information
2005 * from fcport structure. For Host based ELS commands there will be
2006 * no fcport structure allocated
2007 */
2008 fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2009 if (!fcport) {
2010 ql_log(ql_log_warn, vha, 0x70ca,
2011 "Failed to allocate fcport.\n");
2012 rval = -ENOMEM;
2013 goto done_unmap_rsp_sg;
2014 }
2015
2016 /* Alloc SRB structure */
2017 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
2018 if (!sp) {
2019 ql_log(ql_log_warn, vha, 0x70cb,
2020 "qla2x00_get_sp failed.\n");
2021 rval = -ENOMEM;
2022 goto done_free_fcport;
2023 }
2024
2025 /* Initialize all required fields of fcport */
2026 fcport->vha = vha;
2027 fcport->loop_id = piocb_rqst->dataword;
2028
2029 sp->type = SRB_FXIOCB_BCMD;
2030 sp->name = "bsg_fx_mgmt";
2031 sp->iocbs = qla24xx_calc_ct_iocbs(req_sg_cnt + rsp_sg_cnt);
2032 sp->u.bsg_job = bsg_job;
2033 sp->free = qla2x00_bsg_sp_free;
2034 sp->done = qla2x00_bsg_job_done;
2035
2036 ql_dbg(ql_dbg_user, vha, 0x70cc,
2037 "bsg rqst type: %s fx_mgmt_type: %x id=%x\n",
2038 type, piocb_rqst->func_type, fcport->loop_id);
2039
2040 rval = qla2x00_start_sp(sp);
2041 if (rval != QLA_SUCCESS) {
2042 ql_log(ql_log_warn, vha, 0x70cd,
2043 "qla2x00_start_sp failed=%d.\n", rval);
2044 mempool_free(sp, ha->srb_mempool);
2045 rval = -EIO;
2046 goto done_free_fcport;
2047 }
2048 return rval;
2049
2050 done_free_fcport:
2051 kfree(fcport);
2052
2053 done_unmap_rsp_sg:
2054 if (piocb_rqst->flags & SRB_FXDISC_RESP_DMA_VALID)
2055 dma_unmap_sg(&ha->pdev->dev,
2056 bsg_job->reply_payload.sg_list,
2057 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
2058 done_unmap_req_sg:
2059 if (piocb_rqst->flags & SRB_FXDISC_REQ_DMA_VALID)
2060 dma_unmap_sg(&ha->pdev->dev,
2061 bsg_job->request_payload.sg_list,
2062 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
2063
2064 done:
2065 return rval;
2066 }
2067
2068 static int
2069 qla26xx_serdes_op(struct bsg_job *bsg_job)
2070 {
2071 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2072 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
2073 scsi_qla_host_t *vha = shost_priv(host);
2074 int rval = 0;
2075 struct qla_serdes_reg sr;
2076
2077 memset(&sr, 0, sizeof(sr));
2078
2079 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
2080 bsg_job->request_payload.sg_cnt, &sr, sizeof(sr));
2081
2082 switch (sr.cmd) {
2083 case INT_SC_SERDES_WRITE_REG:
2084 rval = qla2x00_write_serdes_word(vha, sr.addr, sr.val);
2085 bsg_reply->reply_payload_rcv_len = 0;
2086 break;
2087 case INT_SC_SERDES_READ_REG:
2088 rval = qla2x00_read_serdes_word(vha, sr.addr, &sr.val);
2089 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
2090 bsg_job->reply_payload.sg_cnt, &sr, sizeof(sr));
2091 bsg_reply->reply_payload_rcv_len = sizeof(sr);
2092 break;
2093 default:
2094 ql_dbg(ql_dbg_user, vha, 0x708c,
2095 "Unknown serdes cmd %x.\n", sr.cmd);
2096 rval = -EINVAL;
2097 break;
2098 }
2099
2100 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
2101 rval ? EXT_STATUS_MAILBOX : 0;
2102
2103 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2104 bsg_reply->result = DID_OK << 16;
2105 bsg_job_done(bsg_job, bsg_reply->result,
2106 bsg_reply->reply_payload_rcv_len);
2107 return 0;
2108 }
2109
2110 static int
2111 qla8044_serdes_op(struct bsg_job *bsg_job)
2112 {
2113 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2114 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
2115 scsi_qla_host_t *vha = shost_priv(host);
2116 int rval = 0;
2117 struct qla_serdes_reg_ex sr;
2118
2119 memset(&sr, 0, sizeof(sr));
2120
2121 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
2122 bsg_job->request_payload.sg_cnt, &sr, sizeof(sr));
2123
2124 switch (sr.cmd) {
2125 case INT_SC_SERDES_WRITE_REG:
2126 rval = qla8044_write_serdes_word(vha, sr.addr, sr.val);
2127 bsg_reply->reply_payload_rcv_len = 0;
2128 break;
2129 case INT_SC_SERDES_READ_REG:
2130 rval = qla8044_read_serdes_word(vha, sr.addr, &sr.val);
2131 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
2132 bsg_job->reply_payload.sg_cnt, &sr, sizeof(sr));
2133 bsg_reply->reply_payload_rcv_len = sizeof(sr);
2134 break;
2135 default:
2136 ql_dbg(ql_dbg_user, vha, 0x7020,
2137 "Unknown serdes cmd %x.\n", sr.cmd);
2138 rval = -EINVAL;
2139 break;
2140 }
2141
2142 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
2143 rval ? EXT_STATUS_MAILBOX : 0;
2144
2145 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2146 bsg_reply->result = DID_OK << 16;
2147 bsg_job_done(bsg_job, bsg_reply->result,
2148 bsg_reply->reply_payload_rcv_len);
2149 return 0;
2150 }
2151
2152 static int
2153 qla27xx_get_flash_upd_cap(struct bsg_job *bsg_job)
2154 {
2155 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2156 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
2157 scsi_qla_host_t *vha = shost_priv(host);
2158 struct qla_hw_data *ha = vha->hw;
2159 struct qla_flash_update_caps cap;
2160
2161 if (!(IS_QLA27XX(ha)))
2162 return -EPERM;
2163
2164 memset(&cap, 0, sizeof(cap));
2165 cap.capabilities = (uint64_t)ha->fw_attributes_ext[1] << 48 |
2166 (uint64_t)ha->fw_attributes_ext[0] << 32 |
2167 (uint64_t)ha->fw_attributes_h << 16 |
2168 (uint64_t)ha->fw_attributes;
2169
2170 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
2171 bsg_job->reply_payload.sg_cnt, &cap, sizeof(cap));
2172 bsg_reply->reply_payload_rcv_len = sizeof(cap);
2173
2174 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
2175 EXT_STATUS_OK;
2176
2177 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2178 bsg_reply->result = DID_OK << 16;
2179 bsg_job_done(bsg_job, bsg_reply->result,
2180 bsg_reply->reply_payload_rcv_len);
2181 return 0;
2182 }
2183
2184 static int
2185 qla27xx_set_flash_upd_cap(struct bsg_job *bsg_job)
2186 {
2187 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2188 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
2189 scsi_qla_host_t *vha = shost_priv(host);
2190 struct qla_hw_data *ha = vha->hw;
2191 uint64_t online_fw_attr = 0;
2192 struct qla_flash_update_caps cap;
2193
2194 if (!(IS_QLA27XX(ha)))
2195 return -EPERM;
2196
2197 memset(&cap, 0, sizeof(cap));
2198 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
2199 bsg_job->request_payload.sg_cnt, &cap, sizeof(cap));
2200
2201 online_fw_attr = (uint64_t)ha->fw_attributes_ext[1] << 48 |
2202 (uint64_t)ha->fw_attributes_ext[0] << 32 |
2203 (uint64_t)ha->fw_attributes_h << 16 |
2204 (uint64_t)ha->fw_attributes;
2205
2206 if (online_fw_attr != cap.capabilities) {
2207 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
2208 EXT_STATUS_INVALID_PARAM;
2209 return -EINVAL;
2210 }
2211
2212 if (cap.outage_duration < MAX_LOOP_TIMEOUT) {
2213 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
2214 EXT_STATUS_INVALID_PARAM;
2215 return -EINVAL;
2216 }
2217
2218 bsg_reply->reply_payload_rcv_len = 0;
2219
2220 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
2221 EXT_STATUS_OK;
2222
2223 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2224 bsg_reply->result = DID_OK << 16;
2225 bsg_job_done(bsg_job, bsg_reply->result,
2226 bsg_reply->reply_payload_rcv_len);
2227 return 0;
2228 }
2229
2230 static int
2231 qla27xx_get_bbcr_data(struct bsg_job *bsg_job)
2232 {
2233 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2234 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
2235 scsi_qla_host_t *vha = shost_priv(host);
2236 struct qla_hw_data *ha = vha->hw;
2237 struct qla_bbcr_data bbcr;
2238 uint16_t loop_id, topo, sw_cap;
2239 uint8_t domain, area, al_pa, state;
2240 int rval;
2241
2242 if (!(IS_QLA27XX(ha)))
2243 return -EPERM;
2244
2245 memset(&bbcr, 0, sizeof(bbcr));
2246
2247 if (vha->flags.bbcr_enable)
2248 bbcr.status = QLA_BBCR_STATUS_ENABLED;
2249 else
2250 bbcr.status = QLA_BBCR_STATUS_DISABLED;
2251
2252 if (bbcr.status == QLA_BBCR_STATUS_ENABLED) {
2253 rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
2254 &area, &domain, &topo, &sw_cap);
2255 if (rval != QLA_SUCCESS) {
2256 bbcr.status = QLA_BBCR_STATUS_UNKNOWN;
2257 bbcr.state = QLA_BBCR_STATE_OFFLINE;
2258 bbcr.mbx1 = loop_id;
2259 goto done;
2260 }
2261
2262 state = (vha->bbcr >> 12) & 0x1;
2263
2264 if (state) {
2265 bbcr.state = QLA_BBCR_STATE_OFFLINE;
2266 bbcr.offline_reason_code = QLA_BBCR_REASON_LOGIN_REJECT;
2267 } else {
2268 bbcr.state = QLA_BBCR_STATE_ONLINE;
2269 bbcr.negotiated_bbscn = (vha->bbcr >> 8) & 0xf;
2270 }
2271
2272 bbcr.configured_bbscn = vha->bbcr & 0xf;
2273 }
2274
2275 done:
2276 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
2277 bsg_job->reply_payload.sg_cnt, &bbcr, sizeof(bbcr));
2278 bsg_reply->reply_payload_rcv_len = sizeof(bbcr);
2279
2280 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = EXT_STATUS_OK;
2281
2282 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2283 bsg_reply->result = DID_OK << 16;
2284 bsg_job_done(bsg_job, bsg_reply->result,
2285 bsg_reply->reply_payload_rcv_len);
2286 return 0;
2287 }
2288
2289 static int
2290 qla2x00_get_priv_stats(struct bsg_job *bsg_job)
2291 {
2292 struct fc_bsg_request *bsg_request = bsg_job->request;
2293 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2294 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
2295 scsi_qla_host_t *vha = shost_priv(host);
2296 struct qla_hw_data *ha = vha->hw;
2297 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2298 struct link_statistics *stats = NULL;
2299 dma_addr_t stats_dma;
2300 int rval;
2301 uint32_t *cmd = bsg_request->rqst_data.h_vendor.vendor_cmd;
2302 uint options = cmd[0] == QL_VND_GET_PRIV_STATS_EX ? cmd[1] : 0;
2303
2304 if (test_bit(UNLOADING, &vha->dpc_flags))
2305 return -ENODEV;
2306
2307 if (unlikely(pci_channel_offline(ha->pdev)))
2308 return -ENODEV;
2309
2310 if (qla2x00_reset_active(vha))
2311 return -EBUSY;
2312
2313 if (!IS_FWI2_CAPABLE(ha))
2314 return -EPERM;
2315
2316 stats = dma_zalloc_coherent(&ha->pdev->dev, sizeof(*stats),
2317 &stats_dma, GFP_KERNEL);
2318 if (!stats) {
2319 ql_log(ql_log_warn, vha, 0x70e2,
2320 "Failed to allocate memory for stats.\n");
2321 return -ENOMEM;
2322 }
2323
2324 rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma, options);
2325
2326 if (rval == QLA_SUCCESS) {
2327 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose, vha, 0x70e3,
2328 (uint8_t *)stats, sizeof(*stats));
2329 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
2330 bsg_job->reply_payload.sg_cnt, stats, sizeof(*stats));
2331 }
2332
2333 bsg_reply->reply_payload_rcv_len = sizeof(*stats);
2334 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
2335 rval ? EXT_STATUS_MAILBOX : EXT_STATUS_OK;
2336
2337 bsg_job->reply_len = sizeof(*bsg_reply);
2338 bsg_reply->result = DID_OK << 16;
2339 bsg_job_done(bsg_job, bsg_reply->result,
2340 bsg_reply->reply_payload_rcv_len);
2341
2342 dma_free_coherent(&ha->pdev->dev, sizeof(*stats),
2343 stats, stats_dma);
2344
2345 return 0;
2346 }
2347
2348 static int
2349 qla2x00_do_dport_diagnostics(struct bsg_job *bsg_job)
2350 {
2351 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2352 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
2353 scsi_qla_host_t *vha = shost_priv(host);
2354 int rval;
2355 struct qla_dport_diag *dd;
2356
2357 if (!IS_QLA83XX(vha->hw) && !IS_QLA27XX(vha->hw))
2358 return -EPERM;
2359
2360 dd = kmalloc(sizeof(*dd), GFP_KERNEL);
2361 if (!dd) {
2362 ql_log(ql_log_warn, vha, 0x70db,
2363 "Failed to allocate memory for dport.\n");
2364 return -ENOMEM;
2365 }
2366
2367 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
2368 bsg_job->request_payload.sg_cnt, dd, sizeof(*dd));
2369
2370 rval = qla26xx_dport_diagnostics(
2371 vha, dd->buf, sizeof(dd->buf), dd->options);
2372 if (rval == QLA_SUCCESS) {
2373 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
2374 bsg_job->reply_payload.sg_cnt, dd, sizeof(*dd));
2375 }
2376
2377 bsg_reply->reply_payload_rcv_len = sizeof(*dd);
2378 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
2379 rval ? EXT_STATUS_MAILBOX : EXT_STATUS_OK;
2380
2381 bsg_job->reply_len = sizeof(*bsg_reply);
2382 bsg_reply->result = DID_OK << 16;
2383 bsg_job_done(bsg_job, bsg_reply->result,
2384 bsg_reply->reply_payload_rcv_len);
2385
2386 kfree(dd);
2387
2388 return 0;
2389 }
2390
2391 static int
2392 qla2x00_process_vendor_specific(struct bsg_job *bsg_job)
2393 {
2394 struct fc_bsg_request *bsg_request = bsg_job->request;
2395
2396 switch (bsg_request->rqst_data.h_vendor.vendor_cmd[0]) {
2397 case QL_VND_LOOPBACK:
2398 return qla2x00_process_loopback(bsg_job);
2399
2400 case QL_VND_A84_RESET:
2401 return qla84xx_reset(bsg_job);
2402
2403 case QL_VND_A84_UPDATE_FW:
2404 return qla84xx_updatefw(bsg_job);
2405
2406 case QL_VND_A84_MGMT_CMD:
2407 return qla84xx_mgmt_cmd(bsg_job);
2408
2409 case QL_VND_IIDMA:
2410 return qla24xx_iidma(bsg_job);
2411
2412 case QL_VND_FCP_PRIO_CFG_CMD:
2413 return qla24xx_proc_fcp_prio_cfg_cmd(bsg_job);
2414
2415 case QL_VND_READ_FLASH:
2416 return qla2x00_read_optrom(bsg_job);
2417
2418 case QL_VND_UPDATE_FLASH:
2419 return qla2x00_update_optrom(bsg_job);
2420
2421 case QL_VND_SET_FRU_VERSION:
2422 return qla2x00_update_fru_versions(bsg_job);
2423
2424 case QL_VND_READ_FRU_STATUS:
2425 return qla2x00_read_fru_status(bsg_job);
2426
2427 case QL_VND_WRITE_FRU_STATUS:
2428 return qla2x00_write_fru_status(bsg_job);
2429
2430 case QL_VND_WRITE_I2C:
2431 return qla2x00_write_i2c(bsg_job);
2432
2433 case QL_VND_READ_I2C:
2434 return qla2x00_read_i2c(bsg_job);
2435
2436 case QL_VND_DIAG_IO_CMD:
2437 return qla24xx_process_bidir_cmd(bsg_job);
2438
2439 case QL_VND_FX00_MGMT_CMD:
2440 return qlafx00_mgmt_cmd(bsg_job);
2441
2442 case QL_VND_SERDES_OP:
2443 return qla26xx_serdes_op(bsg_job);
2444
2445 case QL_VND_SERDES_OP_EX:
2446 return qla8044_serdes_op(bsg_job);
2447
2448 case QL_VND_GET_FLASH_UPDATE_CAPS:
2449 return qla27xx_get_flash_upd_cap(bsg_job);
2450
2451 case QL_VND_SET_FLASH_UPDATE_CAPS:
2452 return qla27xx_set_flash_upd_cap(bsg_job);
2453
2454 case QL_VND_GET_BBCR_DATA:
2455 return qla27xx_get_bbcr_data(bsg_job);
2456
2457 case QL_VND_GET_PRIV_STATS:
2458 case QL_VND_GET_PRIV_STATS_EX:
2459 return qla2x00_get_priv_stats(bsg_job);
2460
2461 case QL_VND_DPORT_DIAGNOSTICS:
2462 return qla2x00_do_dport_diagnostics(bsg_job);
2463
2464 default:
2465 return -ENOSYS;
2466 }
2467 }
2468
2469 int
2470 qla24xx_bsg_request(struct bsg_job *bsg_job)
2471 {
2472 struct fc_bsg_request *bsg_request = bsg_job->request;
2473 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2474 int ret = -EINVAL;
2475 struct fc_rport *rport;
2476 struct Scsi_Host *host;
2477 scsi_qla_host_t *vha;
2478
2479 /* In case no data transferred. */
2480 bsg_reply->reply_payload_rcv_len = 0;
2481
2482 if (bsg_request->msgcode == FC_BSG_RPT_ELS) {
2483 rport = fc_bsg_to_rport(bsg_job);
2484 host = rport_to_shost(rport);
2485 vha = shost_priv(host);
2486 } else {
2487 host = fc_bsg_to_shost(bsg_job);
2488 vha = shost_priv(host);
2489 }
2490
2491 if (qla2x00_reset_active(vha)) {
2492 ql_dbg(ql_dbg_user, vha, 0x709f,
2493 "BSG: ISP abort active/needed -- cmd=%d.\n",
2494 bsg_request->msgcode);
2495 return -EBUSY;
2496 }
2497
2498 ql_dbg(ql_dbg_user, vha, 0x7000,
2499 "Entered %s msgcode=0x%x.\n", __func__, bsg_request->msgcode);
2500
2501 switch (bsg_request->msgcode) {
2502 case FC_BSG_RPT_ELS:
2503 case FC_BSG_HST_ELS_NOLOGIN:
2504 ret = qla2x00_process_els(bsg_job);
2505 break;
2506 case FC_BSG_HST_CT:
2507 ret = qla2x00_process_ct(bsg_job);
2508 break;
2509 case FC_BSG_HST_VENDOR:
2510 ret = qla2x00_process_vendor_specific(bsg_job);
2511 break;
2512 case FC_BSG_HST_ADD_RPORT:
2513 case FC_BSG_HST_DEL_RPORT:
2514 case FC_BSG_RPT_CT:
2515 default:
2516 ql_log(ql_log_warn, vha, 0x705a, "Unsupported BSG request.\n");
2517 break;
2518 }
2519 return ret;
2520 }
2521
2522 int
2523 qla24xx_bsg_timeout(struct bsg_job *bsg_job)
2524 {
2525 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2526 scsi_qla_host_t *vha = shost_priv(fc_bsg_to_shost(bsg_job));
2527 struct qla_hw_data *ha = vha->hw;
2528 srb_t *sp;
2529 int cnt, que;
2530 unsigned long flags;
2531 struct req_que *req;
2532
2533 /* find the bsg job from the active list of commands */
2534 spin_lock_irqsave(&ha->hardware_lock, flags);
2535 for (que = 0; que < ha->max_req_queues; que++) {
2536 req = ha->req_q_map[que];
2537 if (!req)
2538 continue;
2539
2540 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
2541 sp = req->outstanding_cmds[cnt];
2542 if (sp) {
2543 if (((sp->type == SRB_CT_CMD) ||
2544 (sp->type == SRB_ELS_CMD_HST) ||
2545 (sp->type == SRB_FXIOCB_BCMD))
2546 && (sp->u.bsg_job == bsg_job)) {
2547 req->outstanding_cmds[cnt] = NULL;
2548 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2549 if (ha->isp_ops->abort_command(sp)) {
2550 ql_log(ql_log_warn, vha, 0x7089,
2551 "mbx abort_command "
2552 "failed.\n");
2553 bsg_reply->result = -EIO;
2554 } else {
2555 ql_dbg(ql_dbg_user, vha, 0x708a,
2556 "mbx abort_command "
2557 "success.\n");
2558 bsg_reply->result = 0;
2559 }
2560 spin_lock_irqsave(&ha->hardware_lock, flags);
2561 goto done;
2562 }
2563 }
2564 }
2565 }
2566 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2567 ql_log(ql_log_info, vha, 0x708b, "SRB not found to abort.\n");
2568 bsg_reply->result = -ENXIO;
2569 return 0;
2570
2571 done:
2572 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2573 sp->free(sp);
2574 return 0;
2575 }
Linux with added FPC-III support