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Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target...
[mirror_ubuntu-artful-kernel.git] / drivers / scsi / qla2xxx / qla_bsg.c
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 suppored 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 elreq.req_sg_cnt = dma_map_sg(&ha->pdev->dev,
734 bsg_job->request_payload.sg_list, bsg_job->request_payload.sg_cnt,
735 DMA_TO_DEVICE);
736
737 if (!elreq.req_sg_cnt) {
738 ql_log(ql_log_warn, vha, 0x701a,
739 "dma_map_sg returned %d for request.\n", elreq.req_sg_cnt);
740 return -ENOMEM;
741 }
742
743 elreq.rsp_sg_cnt = dma_map_sg(&ha->pdev->dev,
744 bsg_job->reply_payload.sg_list, bsg_job->reply_payload.sg_cnt,
745 DMA_FROM_DEVICE);
746
747 if (!elreq.rsp_sg_cnt) {
748 ql_log(ql_log_warn, vha, 0x701b,
749 "dma_map_sg returned %d for reply.\n", elreq.rsp_sg_cnt);
750 rval = -ENOMEM;
751 goto done_unmap_req_sg;
752 }
753
754 if ((elreq.req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
755 (elreq.rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
756 ql_log(ql_log_warn, vha, 0x701c,
757 "dma mapping resulted in different sg counts, "
758 "request_sg_cnt: %x dma_request_sg_cnt: %x "
759 "reply_sg_cnt: %x dma_reply_sg_cnt: %x.\n",
760 bsg_job->request_payload.sg_cnt, elreq.req_sg_cnt,
761 bsg_job->reply_payload.sg_cnt, elreq.rsp_sg_cnt);
762 rval = -EAGAIN;
763 goto done_unmap_sg;
764 }
765 req_data_len = rsp_data_len = bsg_job->request_payload.payload_len;
766 req_data = dma_alloc_coherent(&ha->pdev->dev, req_data_len,
767 &req_data_dma, GFP_KERNEL);
768 if (!req_data) {
769 ql_log(ql_log_warn, vha, 0x701d,
770 "dma alloc failed for req_data.\n");
771 rval = -ENOMEM;
772 goto done_unmap_sg;
773 }
774
775 rsp_data = dma_alloc_coherent(&ha->pdev->dev, rsp_data_len,
776 &rsp_data_dma, GFP_KERNEL);
777 if (!rsp_data) {
778 ql_log(ql_log_warn, vha, 0x7004,
779 "dma alloc failed for rsp_data.\n");
780 rval = -ENOMEM;
781 goto done_free_dma_req;
782 }
783
784 /* Copy the request buffer in req_data now */
785 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
786 bsg_job->request_payload.sg_cnt, req_data, req_data_len);
787
788 elreq.send_dma = req_data_dma;
789 elreq.rcv_dma = rsp_data_dma;
790 elreq.transfer_size = req_data_len;
791
792 elreq.options = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
793 elreq.iteration_count =
794 bsg_request->rqst_data.h_vendor.vendor_cmd[2];
795
796 if (atomic_read(&vha->loop_state) == LOOP_READY &&
797 (ha->current_topology == ISP_CFG_F ||
798 ((IS_QLA81XX(ha) || IS_QLA8031(ha) || IS_QLA8044(ha)) &&
799 le32_to_cpu(*(uint32_t *)req_data) == ELS_OPCODE_BYTE
800 && req_data_len == MAX_ELS_FRAME_PAYLOAD)) &&
801 elreq.options == EXTERNAL_LOOPBACK) {
802 type = "FC_BSG_HST_VENDOR_ECHO_DIAG";
803 ql_dbg(ql_dbg_user, vha, 0x701e,
804 "BSG request type: %s.\n", type);
805 command_sent = INT_DEF_LB_ECHO_CMD;
806 rval = qla2x00_echo_test(vha, &elreq, response);
807 } else {
808 if (IS_QLA81XX(ha) || IS_QLA8031(ha) || IS_QLA8044(ha)) {
809 memset(config, 0, sizeof(config));
810 memset(new_config, 0, sizeof(new_config));
811
812 if (qla81xx_get_port_config(vha, config)) {
813 ql_log(ql_log_warn, vha, 0x701f,
814 "Get port config failed.\n");
815 rval = -EPERM;
816 goto done_free_dma_rsp;
817 }
818
819 if ((config[0] & INTERNAL_LOOPBACK_MASK) != 0) {
820 ql_dbg(ql_dbg_user, vha, 0x70c4,
821 "Loopback operation already in "
822 "progress.\n");
823 rval = -EAGAIN;
824 goto done_free_dma_rsp;
825 }
826
827 ql_dbg(ql_dbg_user, vha, 0x70c0,
828 "elreq.options=%04x\n", elreq.options);
829
830 if (elreq.options == EXTERNAL_LOOPBACK)
831 if (IS_QLA8031(ha) || IS_QLA8044(ha))
832 rval = qla81xx_set_loopback_mode(vha,
833 config, new_config, elreq.options);
834 else
835 rval = qla81xx_reset_loopback_mode(vha,
836 config, 1, 0);
837 else
838 rval = qla81xx_set_loopback_mode(vha, config,
839 new_config, elreq.options);
840
841 if (rval) {
842 rval = -EPERM;
843 goto done_free_dma_rsp;
844 }
845
846 type = "FC_BSG_HST_VENDOR_LOOPBACK";
847 ql_dbg(ql_dbg_user, vha, 0x7028,
848 "BSG request type: %s.\n", type);
849
850 command_sent = INT_DEF_LB_LOOPBACK_CMD;
851 rval = qla2x00_loopback_test(vha, &elreq, response);
852
853 if (response[0] == MBS_COMMAND_ERROR &&
854 response[1] == MBS_LB_RESET) {
855 ql_log(ql_log_warn, vha, 0x7029,
856 "MBX command error, Aborting ISP.\n");
857 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
858 qla2xxx_wake_dpc(vha);
859 qla2x00_wait_for_chip_reset(vha);
860 /* Also reset the MPI */
861 if (IS_QLA81XX(ha)) {
862 if (qla81xx_restart_mpi_firmware(vha) !=
863 QLA_SUCCESS) {
864 ql_log(ql_log_warn, vha, 0x702a,
865 "MPI reset failed.\n");
866 }
867 }
868
869 rval = -EIO;
870 goto done_free_dma_rsp;
871 }
872
873 if (new_config[0]) {
874 int ret;
875
876 /* Revert back to original port config
877 * Also clear internal loopback
878 */
879 ret = qla81xx_reset_loopback_mode(vha,
880 new_config, 0, 1);
881 if (ret) {
882 /*
883 * If the reset of the loopback mode
884 * doesn't work take FCoE dump and then
885 * reset the chip.
886 */
887 ha->isp_ops->fw_dump(vha, 0);
888 set_bit(ISP_ABORT_NEEDED,
889 &vha->dpc_flags);
890 }
891
892 }
893
894 } else {
895 type = "FC_BSG_HST_VENDOR_LOOPBACK";
896 ql_dbg(ql_dbg_user, vha, 0x702b,
897 "BSG request type: %s.\n", type);
898 command_sent = INT_DEF_LB_LOOPBACK_CMD;
899 rval = qla2x00_loopback_test(vha, &elreq, response);
900 }
901 }
902
903 if (rval) {
904 ql_log(ql_log_warn, vha, 0x702c,
905 "Vendor request %s failed.\n", type);
906
907 rval = 0;
908 bsg_reply->result = (DID_ERROR << 16);
909 bsg_reply->reply_payload_rcv_len = 0;
910 } else {
911 ql_dbg(ql_dbg_user, vha, 0x702d,
912 "Vendor request %s completed.\n", type);
913 bsg_reply->result = (DID_OK << 16);
914 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
915 bsg_job->reply_payload.sg_cnt, rsp_data,
916 rsp_data_len);
917 }
918
919 bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
920 sizeof(response) + sizeof(uint8_t);
921 fw_sts_ptr = ((uint8_t *)scsi_req(bsg_job->req)->sense) +
922 sizeof(struct fc_bsg_reply);
923 memcpy(fw_sts_ptr, response, sizeof(response));
924 fw_sts_ptr += sizeof(response);
925 *fw_sts_ptr = command_sent;
926
927 done_free_dma_rsp:
928 dma_free_coherent(&ha->pdev->dev, rsp_data_len,
929 rsp_data, rsp_data_dma);
930 done_free_dma_req:
931 dma_free_coherent(&ha->pdev->dev, req_data_len,
932 req_data, req_data_dma);
933 done_unmap_sg:
934 dma_unmap_sg(&ha->pdev->dev,
935 bsg_job->reply_payload.sg_list,
936 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
937 done_unmap_req_sg:
938 dma_unmap_sg(&ha->pdev->dev,
939 bsg_job->request_payload.sg_list,
940 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
941 if (!rval)
942 bsg_job_done(bsg_job, bsg_reply->result,
943 bsg_reply->reply_payload_rcv_len);
944 return rval;
945 }
946
947 static int
948 qla84xx_reset(struct bsg_job *bsg_job)
949 {
950 struct fc_bsg_request *bsg_request = bsg_job->request;
951 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
952 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
953 scsi_qla_host_t *vha = shost_priv(host);
954 struct qla_hw_data *ha = vha->hw;
955 int rval = 0;
956 uint32_t flag;
957
958 if (!IS_QLA84XX(ha)) {
959 ql_dbg(ql_dbg_user, vha, 0x702f, "Not 84xx, exiting.\n");
960 return -EINVAL;
961 }
962
963 flag = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
964
965 rval = qla84xx_reset_chip(vha, flag == A84_ISSUE_RESET_DIAG_FW);
966
967 if (rval) {
968 ql_log(ql_log_warn, vha, 0x7030,
969 "Vendor request 84xx reset failed.\n");
970 rval = (DID_ERROR << 16);
971
972 } else {
973 ql_dbg(ql_dbg_user, vha, 0x7031,
974 "Vendor request 84xx reset completed.\n");
975 bsg_reply->result = DID_OK;
976 bsg_job_done(bsg_job, bsg_reply->result,
977 bsg_reply->reply_payload_rcv_len);
978 }
979
980 return rval;
981 }
982
983 static int
984 qla84xx_updatefw(struct bsg_job *bsg_job)
985 {
986 struct fc_bsg_request *bsg_request = bsg_job->request;
987 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
988 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
989 scsi_qla_host_t *vha = shost_priv(host);
990 struct qla_hw_data *ha = vha->hw;
991 struct verify_chip_entry_84xx *mn = NULL;
992 dma_addr_t mn_dma, fw_dma;
993 void *fw_buf = NULL;
994 int rval = 0;
995 uint32_t sg_cnt;
996 uint32_t data_len;
997 uint16_t options;
998 uint32_t flag;
999 uint32_t fw_ver;
1000
1001 if (!IS_QLA84XX(ha)) {
1002 ql_dbg(ql_dbg_user, vha, 0x7032,
1003 "Not 84xx, exiting.\n");
1004 return -EINVAL;
1005 }
1006
1007 sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
1008 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1009 if (!sg_cnt) {
1010 ql_log(ql_log_warn, vha, 0x7033,
1011 "dma_map_sg returned %d for request.\n", sg_cnt);
1012 return -ENOMEM;
1013 }
1014
1015 if (sg_cnt != bsg_job->request_payload.sg_cnt) {
1016 ql_log(ql_log_warn, vha, 0x7034,
1017 "DMA mapping resulted in different sg counts, "
1018 "request_sg_cnt: %x dma_request_sg_cnt: %x.\n",
1019 bsg_job->request_payload.sg_cnt, sg_cnt);
1020 rval = -EAGAIN;
1021 goto done_unmap_sg;
1022 }
1023
1024 data_len = bsg_job->request_payload.payload_len;
1025 fw_buf = dma_alloc_coherent(&ha->pdev->dev, data_len,
1026 &fw_dma, GFP_KERNEL);
1027 if (!fw_buf) {
1028 ql_log(ql_log_warn, vha, 0x7035,
1029 "DMA alloc failed for fw_buf.\n");
1030 rval = -ENOMEM;
1031 goto done_unmap_sg;
1032 }
1033
1034 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1035 bsg_job->request_payload.sg_cnt, fw_buf, data_len);
1036
1037 mn = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &mn_dma);
1038 if (!mn) {
1039 ql_log(ql_log_warn, vha, 0x7036,
1040 "DMA alloc failed for fw buffer.\n");
1041 rval = -ENOMEM;
1042 goto done_free_fw_buf;
1043 }
1044
1045 flag = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
1046 fw_ver = le32_to_cpu(*((uint32_t *)((uint32_t *)fw_buf + 2)));
1047
1048 memset(mn, 0, sizeof(struct access_chip_84xx));
1049 mn->entry_type = VERIFY_CHIP_IOCB_TYPE;
1050 mn->entry_count = 1;
1051
1052 options = VCO_FORCE_UPDATE | VCO_END_OF_DATA;
1053 if (flag == A84_ISSUE_UPDATE_DIAGFW_CMD)
1054 options |= VCO_DIAG_FW;
1055
1056 mn->options = cpu_to_le16(options);
1057 mn->fw_ver = cpu_to_le32(fw_ver);
1058 mn->fw_size = cpu_to_le32(data_len);
1059 mn->fw_seq_size = cpu_to_le32(data_len);
1060 mn->dseg_address[0] = cpu_to_le32(LSD(fw_dma));
1061 mn->dseg_address[1] = cpu_to_le32(MSD(fw_dma));
1062 mn->dseg_length = cpu_to_le32(data_len);
1063 mn->data_seg_cnt = cpu_to_le16(1);
1064
1065 rval = qla2x00_issue_iocb_timeout(vha, mn, mn_dma, 0, 120);
1066
1067 if (rval) {
1068 ql_log(ql_log_warn, vha, 0x7037,
1069 "Vendor request 84xx updatefw failed.\n");
1070
1071 rval = (DID_ERROR << 16);
1072 } else {
1073 ql_dbg(ql_dbg_user, vha, 0x7038,
1074 "Vendor request 84xx updatefw completed.\n");
1075
1076 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1077 bsg_reply->result = DID_OK;
1078 }
1079
1080 dma_pool_free(ha->s_dma_pool, mn, mn_dma);
1081
1082 done_free_fw_buf:
1083 dma_free_coherent(&ha->pdev->dev, data_len, fw_buf, fw_dma);
1084
1085 done_unmap_sg:
1086 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
1087 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1088
1089 if (!rval)
1090 bsg_job_done(bsg_job, bsg_reply->result,
1091 bsg_reply->reply_payload_rcv_len);
1092 return rval;
1093 }
1094
1095 static int
1096 qla84xx_mgmt_cmd(struct bsg_job *bsg_job)
1097 {
1098 struct fc_bsg_request *bsg_request = bsg_job->request;
1099 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1100 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1101 scsi_qla_host_t *vha = shost_priv(host);
1102 struct qla_hw_data *ha = vha->hw;
1103 struct access_chip_84xx *mn = NULL;
1104 dma_addr_t mn_dma, mgmt_dma;
1105 void *mgmt_b = NULL;
1106 int rval = 0;
1107 struct qla_bsg_a84_mgmt *ql84_mgmt;
1108 uint32_t sg_cnt;
1109 uint32_t data_len = 0;
1110 uint32_t dma_direction = DMA_NONE;
1111
1112 if (!IS_QLA84XX(ha)) {
1113 ql_log(ql_log_warn, vha, 0x703a,
1114 "Not 84xx, exiting.\n");
1115 return -EINVAL;
1116 }
1117
1118 mn = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &mn_dma);
1119 if (!mn) {
1120 ql_log(ql_log_warn, vha, 0x703c,
1121 "DMA alloc failed for fw buffer.\n");
1122 return -ENOMEM;
1123 }
1124
1125 memset(mn, 0, sizeof(struct access_chip_84xx));
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 = vmalloc(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 memset(ha->optrom_buffer, 0, ha->optrom_region_size);
1449 return 0;
1450 }
1451
1452 static int
1453 qla2x00_read_optrom(struct bsg_job *bsg_job)
1454 {
1455 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1456 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1457 scsi_qla_host_t *vha = shost_priv(host);
1458 struct qla_hw_data *ha = vha->hw;
1459 int rval = 0;
1460
1461 if (ha->flags.nic_core_reset_hdlr_active)
1462 return -EBUSY;
1463
1464 mutex_lock(&ha->optrom_mutex);
1465 rval = qla2x00_optrom_setup(bsg_job, vha, 0);
1466 if (rval) {
1467 mutex_unlock(&ha->optrom_mutex);
1468 return rval;
1469 }
1470
1471 ha->isp_ops->read_optrom(vha, ha->optrom_buffer,
1472 ha->optrom_region_start, ha->optrom_region_size);
1473
1474 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1475 bsg_job->reply_payload.sg_cnt, ha->optrom_buffer,
1476 ha->optrom_region_size);
1477
1478 bsg_reply->reply_payload_rcv_len = ha->optrom_region_size;
1479 bsg_reply->result = DID_OK;
1480 vfree(ha->optrom_buffer);
1481 ha->optrom_buffer = NULL;
1482 ha->optrom_state = QLA_SWAITING;
1483 mutex_unlock(&ha->optrom_mutex);
1484 bsg_job_done(bsg_job, bsg_reply->result,
1485 bsg_reply->reply_payload_rcv_len);
1486 return rval;
1487 }
1488
1489 static int
1490 qla2x00_update_optrom(struct bsg_job *bsg_job)
1491 {
1492 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1493 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1494 scsi_qla_host_t *vha = shost_priv(host);
1495 struct qla_hw_data *ha = vha->hw;
1496 int rval = 0;
1497
1498 mutex_lock(&ha->optrom_mutex);
1499 rval = qla2x00_optrom_setup(bsg_job, vha, 1);
1500 if (rval) {
1501 mutex_unlock(&ha->optrom_mutex);
1502 return rval;
1503 }
1504
1505 /* Set the isp82xx_no_md_cap not to capture minidump */
1506 ha->flags.isp82xx_no_md_cap = 1;
1507
1508 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1509 bsg_job->request_payload.sg_cnt, ha->optrom_buffer,
1510 ha->optrom_region_size);
1511
1512 ha->isp_ops->write_optrom(vha, ha->optrom_buffer,
1513 ha->optrom_region_start, ha->optrom_region_size);
1514
1515 bsg_reply->result = DID_OK;
1516 vfree(ha->optrom_buffer);
1517 ha->optrom_buffer = NULL;
1518 ha->optrom_state = QLA_SWAITING;
1519 mutex_unlock(&ha->optrom_mutex);
1520 bsg_job_done(bsg_job, bsg_reply->result,
1521 bsg_reply->reply_payload_rcv_len);
1522 return rval;
1523 }
1524
1525 static int
1526 qla2x00_update_fru_versions(struct bsg_job *bsg_job)
1527 {
1528 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1529 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1530 scsi_qla_host_t *vha = shost_priv(host);
1531 struct qla_hw_data *ha = vha->hw;
1532 int rval = 0;
1533 uint8_t bsg[DMA_POOL_SIZE];
1534 struct qla_image_version_list *list = (void *)bsg;
1535 struct qla_image_version *image;
1536 uint32_t count;
1537 dma_addr_t sfp_dma;
1538 void *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1539 if (!sfp) {
1540 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1541 EXT_STATUS_NO_MEMORY;
1542 goto done;
1543 }
1544
1545 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1546 bsg_job->request_payload.sg_cnt, list, sizeof(bsg));
1547
1548 image = list->version;
1549 count = list->count;
1550 while (count--) {
1551 memcpy(sfp, &image->field_info, sizeof(image->field_info));
1552 rval = qla2x00_write_sfp(vha, sfp_dma, sfp,
1553 image->field_address.device, image->field_address.offset,
1554 sizeof(image->field_info), image->field_address.option);
1555 if (rval) {
1556 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1557 EXT_STATUS_MAILBOX;
1558 goto dealloc;
1559 }
1560 image++;
1561 }
1562
1563 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1564
1565 dealloc:
1566 dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1567
1568 done:
1569 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1570 bsg_reply->result = DID_OK << 16;
1571 bsg_job_done(bsg_job, bsg_reply->result,
1572 bsg_reply->reply_payload_rcv_len);
1573
1574 return 0;
1575 }
1576
1577 static int
1578 qla2x00_read_fru_status(struct bsg_job *bsg_job)
1579 {
1580 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1581 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1582 scsi_qla_host_t *vha = shost_priv(host);
1583 struct qla_hw_data *ha = vha->hw;
1584 int rval = 0;
1585 uint8_t bsg[DMA_POOL_SIZE];
1586 struct qla_status_reg *sr = (void *)bsg;
1587 dma_addr_t sfp_dma;
1588 uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1589 if (!sfp) {
1590 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1591 EXT_STATUS_NO_MEMORY;
1592 goto done;
1593 }
1594
1595 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1596 bsg_job->request_payload.sg_cnt, sr, sizeof(*sr));
1597
1598 rval = qla2x00_read_sfp(vha, sfp_dma, sfp,
1599 sr->field_address.device, sr->field_address.offset,
1600 sizeof(sr->status_reg), sr->field_address.option);
1601 sr->status_reg = *sfp;
1602
1603 if (rval) {
1604 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1605 EXT_STATUS_MAILBOX;
1606 goto dealloc;
1607 }
1608
1609 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1610 bsg_job->reply_payload.sg_cnt, sr, sizeof(*sr));
1611
1612 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1613
1614 dealloc:
1615 dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1616
1617 done:
1618 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1619 bsg_reply->reply_payload_rcv_len = sizeof(*sr);
1620 bsg_reply->result = DID_OK << 16;
1621 bsg_job_done(bsg_job, bsg_reply->result,
1622 bsg_reply->reply_payload_rcv_len);
1623
1624 return 0;
1625 }
1626
1627 static int
1628 qla2x00_write_fru_status(struct bsg_job *bsg_job)
1629 {
1630 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1631 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1632 scsi_qla_host_t *vha = shost_priv(host);
1633 struct qla_hw_data *ha = vha->hw;
1634 int rval = 0;
1635 uint8_t bsg[DMA_POOL_SIZE];
1636 struct qla_status_reg *sr = (void *)bsg;
1637 dma_addr_t sfp_dma;
1638 uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1639 if (!sfp) {
1640 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1641 EXT_STATUS_NO_MEMORY;
1642 goto done;
1643 }
1644
1645 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1646 bsg_job->request_payload.sg_cnt, sr, sizeof(*sr));
1647
1648 *sfp = sr->status_reg;
1649 rval = qla2x00_write_sfp(vha, sfp_dma, sfp,
1650 sr->field_address.device, sr->field_address.offset,
1651 sizeof(sr->status_reg), sr->field_address.option);
1652
1653 if (rval) {
1654 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1655 EXT_STATUS_MAILBOX;
1656 goto dealloc;
1657 }
1658
1659 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1660
1661 dealloc:
1662 dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1663
1664 done:
1665 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1666 bsg_reply->result = DID_OK << 16;
1667 bsg_job_done(bsg_job, bsg_reply->result,
1668 bsg_reply->reply_payload_rcv_len);
1669
1670 return 0;
1671 }
1672
1673 static int
1674 qla2x00_write_i2c(struct bsg_job *bsg_job)
1675 {
1676 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1677 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1678 scsi_qla_host_t *vha = shost_priv(host);
1679 struct qla_hw_data *ha = vha->hw;
1680 int rval = 0;
1681 uint8_t bsg[DMA_POOL_SIZE];
1682 struct qla_i2c_access *i2c = (void *)bsg;
1683 dma_addr_t sfp_dma;
1684 uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1685 if (!sfp) {
1686 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1687 EXT_STATUS_NO_MEMORY;
1688 goto done;
1689 }
1690
1691 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1692 bsg_job->request_payload.sg_cnt, i2c, sizeof(*i2c));
1693
1694 memcpy(sfp, i2c->buffer, i2c->length);
1695 rval = qla2x00_write_sfp(vha, sfp_dma, sfp,
1696 i2c->device, i2c->offset, i2c->length, i2c->option);
1697
1698 if (rval) {
1699 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1700 EXT_STATUS_MAILBOX;
1701 goto dealloc;
1702 }
1703
1704 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1705
1706 dealloc:
1707 dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1708
1709 done:
1710 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1711 bsg_reply->result = DID_OK << 16;
1712 bsg_job_done(bsg_job, bsg_reply->result,
1713 bsg_reply->reply_payload_rcv_len);
1714
1715 return 0;
1716 }
1717
1718 static int
1719 qla2x00_read_i2c(struct bsg_job *bsg_job)
1720 {
1721 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1722 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1723 scsi_qla_host_t *vha = shost_priv(host);
1724 struct qla_hw_data *ha = vha->hw;
1725 int rval = 0;
1726 uint8_t bsg[DMA_POOL_SIZE];
1727 struct qla_i2c_access *i2c = (void *)bsg;
1728 dma_addr_t sfp_dma;
1729 uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1730 if (!sfp) {
1731 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1732 EXT_STATUS_NO_MEMORY;
1733 goto done;
1734 }
1735
1736 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1737 bsg_job->request_payload.sg_cnt, i2c, sizeof(*i2c));
1738
1739 rval = qla2x00_read_sfp(vha, sfp_dma, sfp,
1740 i2c->device, i2c->offset, i2c->length, i2c->option);
1741
1742 if (rval) {
1743 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1744 EXT_STATUS_MAILBOX;
1745 goto dealloc;
1746 }
1747
1748 memcpy(i2c->buffer, sfp, i2c->length);
1749 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1750 bsg_job->reply_payload.sg_cnt, i2c, sizeof(*i2c));
1751
1752 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1753
1754 dealloc:
1755 dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1756
1757 done:
1758 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1759 bsg_reply->reply_payload_rcv_len = sizeof(*i2c);
1760 bsg_reply->result = DID_OK << 16;
1761 bsg_job_done(bsg_job, bsg_reply->result,
1762 bsg_reply->reply_payload_rcv_len);
1763
1764 return 0;
1765 }
1766
1767 static int
1768 qla24xx_process_bidir_cmd(struct bsg_job *bsg_job)
1769 {
1770 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1771 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1772 scsi_qla_host_t *vha = shost_priv(host);
1773 struct qla_hw_data *ha = vha->hw;
1774 uint32_t rval = EXT_STATUS_OK;
1775 uint16_t req_sg_cnt = 0;
1776 uint16_t rsp_sg_cnt = 0;
1777 uint16_t nextlid = 0;
1778 uint32_t tot_dsds;
1779 srb_t *sp = NULL;
1780 uint32_t req_data_len = 0;
1781 uint32_t rsp_data_len = 0;
1782
1783 /* Check the type of the adapter */
1784 if (!IS_BIDI_CAPABLE(ha)) {
1785 ql_log(ql_log_warn, vha, 0x70a0,
1786 "This adapter is not supported\n");
1787 rval = EXT_STATUS_NOT_SUPPORTED;
1788 goto done;
1789 }
1790
1791 if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
1792 test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
1793 test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
1794 rval = EXT_STATUS_BUSY;
1795 goto done;
1796 }
1797
1798 /* Check if host is online */
1799 if (!vha->flags.online) {
1800 ql_log(ql_log_warn, vha, 0x70a1,
1801 "Host is not online\n");
1802 rval = EXT_STATUS_DEVICE_OFFLINE;
1803 goto done;
1804 }
1805
1806 /* Check if cable is plugged in or not */
1807 if (vha->device_flags & DFLG_NO_CABLE) {
1808 ql_log(ql_log_warn, vha, 0x70a2,
1809 "Cable is unplugged...\n");
1810 rval = EXT_STATUS_INVALID_CFG;
1811 goto done;
1812 }
1813
1814 /* Check if the switch is connected or not */
1815 if (ha->current_topology != ISP_CFG_F) {
1816 ql_log(ql_log_warn, vha, 0x70a3,
1817 "Host is not connected to the switch\n");
1818 rval = EXT_STATUS_INVALID_CFG;
1819 goto done;
1820 }
1821
1822 /* Check if operating mode is P2P */
1823 if (ha->operating_mode != P2P) {
1824 ql_log(ql_log_warn, vha, 0x70a4,
1825 "Host is operating mode is not P2p\n");
1826 rval = EXT_STATUS_INVALID_CFG;
1827 goto done;
1828 }
1829
1830 mutex_lock(&ha->selflogin_lock);
1831 if (vha->self_login_loop_id == 0) {
1832 /* Initialize all required fields of fcport */
1833 vha->bidir_fcport.vha = vha;
1834 vha->bidir_fcport.d_id.b.al_pa = vha->d_id.b.al_pa;
1835 vha->bidir_fcport.d_id.b.area = vha->d_id.b.area;
1836 vha->bidir_fcport.d_id.b.domain = vha->d_id.b.domain;
1837 vha->bidir_fcport.loop_id = vha->loop_id;
1838
1839 if (qla2x00_fabric_login(vha, &(vha->bidir_fcport), &nextlid)) {
1840 ql_log(ql_log_warn, vha, 0x70a7,
1841 "Failed to login port %06X for bidirectional IOCB\n",
1842 vha->bidir_fcport.d_id.b24);
1843 mutex_unlock(&ha->selflogin_lock);
1844 rval = EXT_STATUS_MAILBOX;
1845 goto done;
1846 }
1847 vha->self_login_loop_id = nextlid - 1;
1848
1849 }
1850 /* Assign the self login loop id to fcport */
1851 mutex_unlock(&ha->selflogin_lock);
1852
1853 vha->bidir_fcport.loop_id = vha->self_login_loop_id;
1854
1855 req_sg_cnt = dma_map_sg(&ha->pdev->dev,
1856 bsg_job->request_payload.sg_list,
1857 bsg_job->request_payload.sg_cnt,
1858 DMA_TO_DEVICE);
1859
1860 if (!req_sg_cnt) {
1861 rval = EXT_STATUS_NO_MEMORY;
1862 goto done;
1863 }
1864
1865 rsp_sg_cnt = dma_map_sg(&ha->pdev->dev,
1866 bsg_job->reply_payload.sg_list, bsg_job->reply_payload.sg_cnt,
1867 DMA_FROM_DEVICE);
1868
1869 if (!rsp_sg_cnt) {
1870 rval = EXT_STATUS_NO_MEMORY;
1871 goto done_unmap_req_sg;
1872 }
1873
1874 if ((req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
1875 (rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
1876 ql_dbg(ql_dbg_user, vha, 0x70a9,
1877 "Dma mapping resulted in different sg counts "
1878 "[request_sg_cnt: %x dma_request_sg_cnt: %x reply_sg_cnt: "
1879 "%x dma_reply_sg_cnt: %x]\n",
1880 bsg_job->request_payload.sg_cnt, req_sg_cnt,
1881 bsg_job->reply_payload.sg_cnt, rsp_sg_cnt);
1882 rval = EXT_STATUS_NO_MEMORY;
1883 goto done_unmap_sg;
1884 }
1885
1886 if (req_data_len != rsp_data_len) {
1887 rval = EXT_STATUS_BUSY;
1888 ql_log(ql_log_warn, vha, 0x70aa,
1889 "req_data_len != rsp_data_len\n");
1890 goto done_unmap_sg;
1891 }
1892
1893 req_data_len = bsg_job->request_payload.payload_len;
1894 rsp_data_len = bsg_job->reply_payload.payload_len;
1895
1896
1897 /* Alloc SRB structure */
1898 sp = qla2x00_get_sp(vha, &(vha->bidir_fcport), GFP_KERNEL);
1899 if (!sp) {
1900 ql_dbg(ql_dbg_user, vha, 0x70ac,
1901 "Alloc SRB structure failed\n");
1902 rval = EXT_STATUS_NO_MEMORY;
1903 goto done_unmap_sg;
1904 }
1905
1906 /*Populate srb->ctx with bidir ctx*/
1907 sp->u.bsg_job = bsg_job;
1908 sp->free = qla2x00_bsg_sp_free;
1909 sp->type = SRB_BIDI_CMD;
1910 sp->done = qla2x00_bsg_job_done;
1911
1912 /* Add the read and write sg count */
1913 tot_dsds = rsp_sg_cnt + req_sg_cnt;
1914
1915 rval = qla2x00_start_bidir(sp, vha, tot_dsds);
1916 if (rval != EXT_STATUS_OK)
1917 goto done_free_srb;
1918 /* the bsg request will be completed in the interrupt handler */
1919 return rval;
1920
1921 done_free_srb:
1922 mempool_free(sp, ha->srb_mempool);
1923 done_unmap_sg:
1924 dma_unmap_sg(&ha->pdev->dev,
1925 bsg_job->reply_payload.sg_list,
1926 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
1927 done_unmap_req_sg:
1928 dma_unmap_sg(&ha->pdev->dev,
1929 bsg_job->request_payload.sg_list,
1930 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1931 done:
1932
1933 /* Return an error vendor specific response
1934 * and complete the bsg request
1935 */
1936 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval;
1937 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1938 bsg_reply->reply_payload_rcv_len = 0;
1939 bsg_reply->result = (DID_OK) << 16;
1940 bsg_job_done(bsg_job, bsg_reply->result,
1941 bsg_reply->reply_payload_rcv_len);
1942 /* Always return success, vendor rsp carries correct status */
1943 return 0;
1944 }
1945
1946 static int
1947 qlafx00_mgmt_cmd(struct bsg_job *bsg_job)
1948 {
1949 struct fc_bsg_request *bsg_request = bsg_job->request;
1950 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1951 scsi_qla_host_t *vha = shost_priv(host);
1952 struct qla_hw_data *ha = vha->hw;
1953 int rval = (DRIVER_ERROR << 16);
1954 struct qla_mt_iocb_rqst_fx00 *piocb_rqst;
1955 srb_t *sp;
1956 int req_sg_cnt = 0, rsp_sg_cnt = 0;
1957 struct fc_port *fcport;
1958 char *type = "FC_BSG_HST_FX_MGMT";
1959
1960 /* Copy the IOCB specific information */
1961 piocb_rqst = (struct qla_mt_iocb_rqst_fx00 *)
1962 &bsg_request->rqst_data.h_vendor.vendor_cmd[1];
1963
1964 /* Dump the vendor information */
1965 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose , vha, 0x70cf,
1966 (uint8_t *)piocb_rqst, sizeof(struct qla_mt_iocb_rqst_fx00));
1967
1968 if (!vha->flags.online) {
1969 ql_log(ql_log_warn, vha, 0x70d0,
1970 "Host is not online.\n");
1971 rval = -EIO;
1972 goto done;
1973 }
1974
1975 if (piocb_rqst->flags & SRB_FXDISC_REQ_DMA_VALID) {
1976 req_sg_cnt = dma_map_sg(&ha->pdev->dev,
1977 bsg_job->request_payload.sg_list,
1978 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1979 if (!req_sg_cnt) {
1980 ql_log(ql_log_warn, vha, 0x70c7,
1981 "dma_map_sg return %d for request\n", req_sg_cnt);
1982 rval = -ENOMEM;
1983 goto done;
1984 }
1985 }
1986
1987 if (piocb_rqst->flags & SRB_FXDISC_RESP_DMA_VALID) {
1988 rsp_sg_cnt = dma_map_sg(&ha->pdev->dev,
1989 bsg_job->reply_payload.sg_list,
1990 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
1991 if (!rsp_sg_cnt) {
1992 ql_log(ql_log_warn, vha, 0x70c8,
1993 "dma_map_sg return %d for reply\n", rsp_sg_cnt);
1994 rval = -ENOMEM;
1995 goto done_unmap_req_sg;
1996 }
1997 }
1998
1999 ql_dbg(ql_dbg_user, vha, 0x70c9,
2000 "request_sg_cnt: %x dma_request_sg_cnt: %x reply_sg_cnt:%x "
2001 "dma_reply_sg_cnt: %x\n", bsg_job->request_payload.sg_cnt,
2002 req_sg_cnt, bsg_job->reply_payload.sg_cnt, rsp_sg_cnt);
2003
2004 /* Allocate a dummy fcport structure, since functions preparing the
2005 * IOCB and mailbox command retrieves port specific information
2006 * from fcport structure. For Host based ELS commands there will be
2007 * no fcport structure allocated
2008 */
2009 fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2010 if (!fcport) {
2011 ql_log(ql_log_warn, vha, 0x70ca,
2012 "Failed to allocate fcport.\n");
2013 rval = -ENOMEM;
2014 goto done_unmap_rsp_sg;
2015 }
2016
2017 /* Alloc SRB structure */
2018 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
2019 if (!sp) {
2020 ql_log(ql_log_warn, vha, 0x70cb,
2021 "qla2x00_get_sp failed.\n");
2022 rval = -ENOMEM;
2023 goto done_free_fcport;
2024 }
2025
2026 /* Initialize all required fields of fcport */
2027 fcport->vha = vha;
2028 fcport->loop_id = piocb_rqst->dataword;
2029
2030 sp->type = SRB_FXIOCB_BCMD;
2031 sp->name = "bsg_fx_mgmt";
2032 sp->iocbs = qla24xx_calc_ct_iocbs(req_sg_cnt + rsp_sg_cnt);
2033 sp->u.bsg_job = bsg_job;
2034 sp->free = qla2x00_bsg_sp_free;
2035 sp->done = qla2x00_bsg_job_done;
2036
2037 ql_dbg(ql_dbg_user, vha, 0x70cc,
2038 "bsg rqst type: %s fx_mgmt_type: %x id=%x\n",
2039 type, piocb_rqst->func_type, fcport->loop_id);
2040
2041 rval = qla2x00_start_sp(sp);
2042 if (rval != QLA_SUCCESS) {
2043 ql_log(ql_log_warn, vha, 0x70cd,
2044 "qla2x00_start_sp failed=%d.\n", rval);
2045 mempool_free(sp, ha->srb_mempool);
2046 rval = -EIO;
2047 goto done_free_fcport;
2048 }
2049 return rval;
2050
2051 done_free_fcport:
2052 kfree(fcport);
2053
2054 done_unmap_rsp_sg:
2055 if (piocb_rqst->flags & SRB_FXDISC_RESP_DMA_VALID)
2056 dma_unmap_sg(&ha->pdev->dev,
2057 bsg_job->reply_payload.sg_list,
2058 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
2059 done_unmap_req_sg:
2060 if (piocb_rqst->flags & SRB_FXDISC_REQ_DMA_VALID)
2061 dma_unmap_sg(&ha->pdev->dev,
2062 bsg_job->request_payload.sg_list,
2063 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
2064
2065 done:
2066 return rval;
2067 }
2068
2069 static int
2070 qla26xx_serdes_op(struct bsg_job *bsg_job)
2071 {
2072 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2073 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
2074 scsi_qla_host_t *vha = shost_priv(host);
2075 int rval = 0;
2076 struct qla_serdes_reg sr;
2077
2078 memset(&sr, 0, sizeof(sr));
2079
2080 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
2081 bsg_job->request_payload.sg_cnt, &sr, sizeof(sr));
2082
2083 switch (sr.cmd) {
2084 case INT_SC_SERDES_WRITE_REG:
2085 rval = qla2x00_write_serdes_word(vha, sr.addr, sr.val);
2086 bsg_reply->reply_payload_rcv_len = 0;
2087 break;
2088 case INT_SC_SERDES_READ_REG:
2089 rval = qla2x00_read_serdes_word(vha, sr.addr, &sr.val);
2090 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
2091 bsg_job->reply_payload.sg_cnt, &sr, sizeof(sr));
2092 bsg_reply->reply_payload_rcv_len = sizeof(sr);
2093 break;
2094 default:
2095 ql_dbg(ql_dbg_user, vha, 0x708c,
2096 "Unknown serdes cmd %x.\n", sr.cmd);
2097 rval = -EINVAL;
2098 break;
2099 }
2100
2101 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
2102 rval ? EXT_STATUS_MAILBOX : 0;
2103
2104 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2105 bsg_reply->result = DID_OK << 16;
2106 bsg_job_done(bsg_job, bsg_reply->result,
2107 bsg_reply->reply_payload_rcv_len);
2108 return 0;
2109 }
2110
2111 static int
2112 qla8044_serdes_op(struct bsg_job *bsg_job)
2113 {
2114 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2115 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
2116 scsi_qla_host_t *vha = shost_priv(host);
2117 int rval = 0;
2118 struct qla_serdes_reg_ex sr;
2119
2120 memset(&sr, 0, sizeof(sr));
2121
2122 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
2123 bsg_job->request_payload.sg_cnt, &sr, sizeof(sr));
2124
2125 switch (sr.cmd) {
2126 case INT_SC_SERDES_WRITE_REG:
2127 rval = qla8044_write_serdes_word(vha, sr.addr, sr.val);
2128 bsg_reply->reply_payload_rcv_len = 0;
2129 break;
2130 case INT_SC_SERDES_READ_REG:
2131 rval = qla8044_read_serdes_word(vha, sr.addr, &sr.val);
2132 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
2133 bsg_job->reply_payload.sg_cnt, &sr, sizeof(sr));
2134 bsg_reply->reply_payload_rcv_len = sizeof(sr);
2135 break;
2136 default:
2137 ql_dbg(ql_dbg_user, vha, 0x70cf,
2138 "Unknown serdes cmd %x.\n", sr.cmd);
2139 rval = -EINVAL;
2140 break;
2141 }
2142
2143 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
2144 rval ? EXT_STATUS_MAILBOX : 0;
2145
2146 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2147 bsg_reply->result = DID_OK << 16;
2148 bsg_job_done(bsg_job, bsg_reply->result,
2149 bsg_reply->reply_payload_rcv_len);
2150 return 0;
2151 }
2152
2153 static int
2154 qla27xx_get_flash_upd_cap(struct bsg_job *bsg_job)
2155 {
2156 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2157 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
2158 scsi_qla_host_t *vha = shost_priv(host);
2159 struct qla_hw_data *ha = vha->hw;
2160 struct qla_flash_update_caps cap;
2161
2162 if (!(IS_QLA27XX(ha)))
2163 return -EPERM;
2164
2165 memset(&cap, 0, sizeof(cap));
2166 cap.capabilities = (uint64_t)ha->fw_attributes_ext[1] << 48 |
2167 (uint64_t)ha->fw_attributes_ext[0] << 32 |
2168 (uint64_t)ha->fw_attributes_h << 16 |
2169 (uint64_t)ha->fw_attributes;
2170
2171 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
2172 bsg_job->reply_payload.sg_cnt, &cap, sizeof(cap));
2173 bsg_reply->reply_payload_rcv_len = sizeof(cap);
2174
2175 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
2176 EXT_STATUS_OK;
2177
2178 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2179 bsg_reply->result = DID_OK << 16;
2180 bsg_job_done(bsg_job, bsg_reply->result,
2181 bsg_reply->reply_payload_rcv_len);
2182 return 0;
2183 }
2184
2185 static int
2186 qla27xx_set_flash_upd_cap(struct bsg_job *bsg_job)
2187 {
2188 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2189 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
2190 scsi_qla_host_t *vha = shost_priv(host);
2191 struct qla_hw_data *ha = vha->hw;
2192 uint64_t online_fw_attr = 0;
2193 struct qla_flash_update_caps cap;
2194
2195 if (!(IS_QLA27XX(ha)))
2196 return -EPERM;
2197
2198 memset(&cap, 0, sizeof(cap));
2199 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
2200 bsg_job->request_payload.sg_cnt, &cap, sizeof(cap));
2201
2202 online_fw_attr = (uint64_t)ha->fw_attributes_ext[1] << 48 |
2203 (uint64_t)ha->fw_attributes_ext[0] << 32 |
2204 (uint64_t)ha->fw_attributes_h << 16 |
2205 (uint64_t)ha->fw_attributes;
2206
2207 if (online_fw_attr != cap.capabilities) {
2208 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
2209 EXT_STATUS_INVALID_PARAM;
2210 return -EINVAL;
2211 }
2212
2213 if (cap.outage_duration < MAX_LOOP_TIMEOUT) {
2214 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
2215 EXT_STATUS_INVALID_PARAM;
2216 return -EINVAL;
2217 }
2218
2219 bsg_reply->reply_payload_rcv_len = 0;
2220
2221 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
2222 EXT_STATUS_OK;
2223
2224 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2225 bsg_reply->result = DID_OK << 16;
2226 bsg_job_done(bsg_job, bsg_reply->result,
2227 bsg_reply->reply_payload_rcv_len);
2228 return 0;
2229 }
2230
2231 static int
2232 qla27xx_get_bbcr_data(struct bsg_job *bsg_job)
2233 {
2234 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2235 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
2236 scsi_qla_host_t *vha = shost_priv(host);
2237 struct qla_hw_data *ha = vha->hw;
2238 struct qla_bbcr_data bbcr;
2239 uint16_t loop_id, topo, sw_cap;
2240 uint8_t domain, area, al_pa, state;
2241 int rval;
2242
2243 if (!(IS_QLA27XX(ha)))
2244 return -EPERM;
2245
2246 memset(&bbcr, 0, sizeof(bbcr));
2247
2248 if (vha->flags.bbcr_enable)
2249 bbcr.status = QLA_BBCR_STATUS_ENABLED;
2250 else
2251 bbcr.status = QLA_BBCR_STATUS_DISABLED;
2252
2253 if (bbcr.status == QLA_BBCR_STATUS_ENABLED) {
2254 rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
2255 &area, &domain, &topo, &sw_cap);
2256 if (rval != QLA_SUCCESS) {
2257 bbcr.status = QLA_BBCR_STATUS_UNKNOWN;
2258 bbcr.state = QLA_BBCR_STATE_OFFLINE;
2259 bbcr.mbx1 = loop_id;
2260 goto done;
2261 }
2262
2263 state = (vha->bbcr >> 12) & 0x1;
2264
2265 if (state) {
2266 bbcr.state = QLA_BBCR_STATE_OFFLINE;
2267 bbcr.offline_reason_code = QLA_BBCR_REASON_LOGIN_REJECT;
2268 } else {
2269 bbcr.state = QLA_BBCR_STATE_ONLINE;
2270 bbcr.negotiated_bbscn = (vha->bbcr >> 8) & 0xf;
2271 }
2272
2273 bbcr.configured_bbscn = vha->bbcr & 0xf;
2274 }
2275
2276 done:
2277 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
2278 bsg_job->reply_payload.sg_cnt, &bbcr, sizeof(bbcr));
2279 bsg_reply->reply_payload_rcv_len = sizeof(bbcr);
2280
2281 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = EXT_STATUS_OK;
2282
2283 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2284 bsg_reply->result = DID_OK << 16;
2285 bsg_job_done(bsg_job, bsg_reply->result,
2286 bsg_reply->reply_payload_rcv_len);
2287 return 0;
2288 }
2289
2290 static int
2291 qla2x00_get_priv_stats(struct bsg_job *bsg_job)
2292 {
2293 struct fc_bsg_request *bsg_request = bsg_job->request;
2294 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2295 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
2296 scsi_qla_host_t *vha = shost_priv(host);
2297 struct qla_hw_data *ha = vha->hw;
2298 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2299 struct link_statistics *stats = NULL;
2300 dma_addr_t stats_dma;
2301 int rval;
2302 uint32_t *cmd = bsg_request->rqst_data.h_vendor.vendor_cmd;
2303 uint options = cmd[0] == QL_VND_GET_PRIV_STATS_EX ? cmd[1] : 0;
2304
2305 if (test_bit(UNLOADING, &vha->dpc_flags))
2306 return -ENODEV;
2307
2308 if (unlikely(pci_channel_offline(ha->pdev)))
2309 return -ENODEV;
2310
2311 if (qla2x00_reset_active(vha))
2312 return -EBUSY;
2313
2314 if (!IS_FWI2_CAPABLE(ha))
2315 return -EPERM;
2316
2317 stats = dma_alloc_coherent(&ha->pdev->dev,
2318 sizeof(*stats), &stats_dma, GFP_KERNEL);
2319 if (!stats) {
2320 ql_log(ql_log_warn, vha, 0x70e2,
2321 "Failed to allocate memory for stats.\n");
2322 return -ENOMEM;
2323 }
2324
2325 memset(stats, 0, sizeof(*stats));
2326
2327 rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma, options);
2328
2329 if (rval == QLA_SUCCESS) {
2330 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose, vha, 0x70e3,
2331 (uint8_t *)stats, sizeof(*stats));
2332 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
2333 bsg_job->reply_payload.sg_cnt, stats, sizeof(*stats));
2334 }
2335
2336 bsg_reply->reply_payload_rcv_len = sizeof(*stats);
2337 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
2338 rval ? EXT_STATUS_MAILBOX : EXT_STATUS_OK;
2339
2340 bsg_job->reply_len = sizeof(*bsg_reply);
2341 bsg_reply->result = DID_OK << 16;
2342 bsg_job_done(bsg_job, bsg_reply->result,
2343 bsg_reply->reply_payload_rcv_len);
2344
2345 dma_free_coherent(&ha->pdev->dev, sizeof(*stats),
2346 stats, stats_dma);
2347
2348 return 0;
2349 }
2350
2351 static int
2352 qla2x00_do_dport_diagnostics(struct bsg_job *bsg_job)
2353 {
2354 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2355 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
2356 scsi_qla_host_t *vha = shost_priv(host);
2357 int rval;
2358 struct qla_dport_diag *dd;
2359
2360 if (!IS_QLA83XX(vha->hw) && !IS_QLA27XX(vha->hw))
2361 return -EPERM;
2362
2363 dd = kmalloc(sizeof(*dd), GFP_KERNEL);
2364 if (!dd) {
2365 ql_log(ql_log_warn, vha, 0x70db,
2366 "Failed to allocate memory for dport.\n");
2367 return -ENOMEM;
2368 }
2369
2370 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
2371 bsg_job->request_payload.sg_cnt, dd, sizeof(*dd));
2372
2373 rval = qla26xx_dport_diagnostics(
2374 vha, dd->buf, sizeof(dd->buf), dd->options);
2375 if (rval == QLA_SUCCESS) {
2376 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
2377 bsg_job->reply_payload.sg_cnt, dd, sizeof(*dd));
2378 }
2379
2380 bsg_reply->reply_payload_rcv_len = sizeof(*dd);
2381 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
2382 rval ? EXT_STATUS_MAILBOX : EXT_STATUS_OK;
2383
2384 bsg_job->reply_len = sizeof(*bsg_reply);
2385 bsg_reply->result = DID_OK << 16;
2386 bsg_job_done(bsg_job, bsg_reply->result,
2387 bsg_reply->reply_payload_rcv_len);
2388
2389 kfree(dd);
2390
2391 return 0;
2392 }
2393
2394 static int
2395 qla2x00_process_vendor_specific(struct bsg_job *bsg_job)
2396 {
2397 struct fc_bsg_request *bsg_request = bsg_job->request;
2398
2399 switch (bsg_request->rqst_data.h_vendor.vendor_cmd[0]) {
2400 case QL_VND_LOOPBACK:
2401 return qla2x00_process_loopback(bsg_job);
2402
2403 case QL_VND_A84_RESET:
2404 return qla84xx_reset(bsg_job);
2405
2406 case QL_VND_A84_UPDATE_FW:
2407 return qla84xx_updatefw(bsg_job);
2408
2409 case QL_VND_A84_MGMT_CMD:
2410 return qla84xx_mgmt_cmd(bsg_job);
2411
2412 case QL_VND_IIDMA:
2413 return qla24xx_iidma(bsg_job);
2414
2415 case QL_VND_FCP_PRIO_CFG_CMD:
2416 return qla24xx_proc_fcp_prio_cfg_cmd(bsg_job);
2417
2418 case QL_VND_READ_FLASH:
2419 return qla2x00_read_optrom(bsg_job);
2420
2421 case QL_VND_UPDATE_FLASH:
2422 return qla2x00_update_optrom(bsg_job);
2423
2424 case QL_VND_SET_FRU_VERSION:
2425 return qla2x00_update_fru_versions(bsg_job);
2426
2427 case QL_VND_READ_FRU_STATUS:
2428 return qla2x00_read_fru_status(bsg_job);
2429
2430 case QL_VND_WRITE_FRU_STATUS:
2431 return qla2x00_write_fru_status(bsg_job);
2432
2433 case QL_VND_WRITE_I2C:
2434 return qla2x00_write_i2c(bsg_job);
2435
2436 case QL_VND_READ_I2C:
2437 return qla2x00_read_i2c(bsg_job);
2438
2439 case QL_VND_DIAG_IO_CMD:
2440 return qla24xx_process_bidir_cmd(bsg_job);
2441
2442 case QL_VND_FX00_MGMT_CMD:
2443 return qlafx00_mgmt_cmd(bsg_job);
2444
2445 case QL_VND_SERDES_OP:
2446 return qla26xx_serdes_op(bsg_job);
2447
2448 case QL_VND_SERDES_OP_EX:
2449 return qla8044_serdes_op(bsg_job);
2450
2451 case QL_VND_GET_FLASH_UPDATE_CAPS:
2452 return qla27xx_get_flash_upd_cap(bsg_job);
2453
2454 case QL_VND_SET_FLASH_UPDATE_CAPS:
2455 return qla27xx_set_flash_upd_cap(bsg_job);
2456
2457 case QL_VND_GET_BBCR_DATA:
2458 return qla27xx_get_bbcr_data(bsg_job);
2459
2460 case QL_VND_GET_PRIV_STATS:
2461 case QL_VND_GET_PRIV_STATS_EX:
2462 return qla2x00_get_priv_stats(bsg_job);
2463
2464 case QL_VND_DPORT_DIAGNOSTICS:
2465 return qla2x00_do_dport_diagnostics(bsg_job);
2466
2467 default:
2468 return -ENOSYS;
2469 }
2470 }
2471
2472 int
2473 qla24xx_bsg_request(struct bsg_job *bsg_job)
2474 {
2475 struct fc_bsg_request *bsg_request = bsg_job->request;
2476 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2477 int ret = -EINVAL;
2478 struct fc_rport *rport;
2479 struct Scsi_Host *host;
2480 scsi_qla_host_t *vha;
2481
2482 /* In case no data transferred. */
2483 bsg_reply->reply_payload_rcv_len = 0;
2484
2485 if (bsg_request->msgcode == FC_BSG_RPT_ELS) {
2486 rport = fc_bsg_to_rport(bsg_job);
2487 host = rport_to_shost(rport);
2488 vha = shost_priv(host);
2489 } else {
2490 host = fc_bsg_to_shost(bsg_job);
2491 vha = shost_priv(host);
2492 }
2493
2494 if (qla2x00_reset_active(vha)) {
2495 ql_dbg(ql_dbg_user, vha, 0x709f,
2496 "BSG: ISP abort active/needed -- cmd=%d.\n",
2497 bsg_request->msgcode);
2498 return -EBUSY;
2499 }
2500
2501 ql_dbg(ql_dbg_user, vha, 0x7000,
2502 "Entered %s msgcode=0x%x.\n", __func__, bsg_request->msgcode);
2503
2504 switch (bsg_request->msgcode) {
2505 case FC_BSG_RPT_ELS:
2506 case FC_BSG_HST_ELS_NOLOGIN:
2507 ret = qla2x00_process_els(bsg_job);
2508 break;
2509 case FC_BSG_HST_CT:
2510 ret = qla2x00_process_ct(bsg_job);
2511 break;
2512 case FC_BSG_HST_VENDOR:
2513 ret = qla2x00_process_vendor_specific(bsg_job);
2514 break;
2515 case FC_BSG_HST_ADD_RPORT:
2516 case FC_BSG_HST_DEL_RPORT:
2517 case FC_BSG_RPT_CT:
2518 default:
2519 ql_log(ql_log_warn, vha, 0x705a, "Unsupported BSG request.\n");
2520 break;
2521 }
2522 return ret;
2523 }
2524
2525 int
2526 qla24xx_bsg_timeout(struct bsg_job *bsg_job)
2527 {
2528 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2529 scsi_qla_host_t *vha = shost_priv(fc_bsg_to_shost(bsg_job));
2530 struct qla_hw_data *ha = vha->hw;
2531 srb_t *sp;
2532 int cnt, que;
2533 unsigned long flags;
2534 struct req_que *req;
2535
2536 /* find the bsg job from the active list of commands */
2537 spin_lock_irqsave(&ha->hardware_lock, flags);
2538 for (que = 0; que < ha->max_req_queues; que++) {
2539 req = ha->req_q_map[que];
2540 if (!req)
2541 continue;
2542
2543 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
2544 sp = req->outstanding_cmds[cnt];
2545 if (sp) {
2546 if (((sp->type == SRB_CT_CMD) ||
2547 (sp->type == SRB_ELS_CMD_HST) ||
2548 (sp->type == SRB_FXIOCB_BCMD))
2549 && (sp->u.bsg_job == bsg_job)) {
2550 req->outstanding_cmds[cnt] = NULL;
2551 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2552 if (ha->isp_ops->abort_command(sp)) {
2553 ql_log(ql_log_warn, vha, 0x7089,
2554 "mbx abort_command "
2555 "failed.\n");
2556 bsg_job->req->errors =
2557 bsg_reply->result = -EIO;
2558 } else {
2559 ql_dbg(ql_dbg_user, vha, 0x708a,
2560 "mbx abort_command "
2561 "success.\n");
2562 bsg_job->req->errors =
2563 bsg_reply->result = 0;
2564 }
2565 spin_lock_irqsave(&ha->hardware_lock, flags);
2566 goto done;
2567 }
2568 }
2569 }
2570 }
2571 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2572 ql_log(ql_log_info, vha, 0x708b, "SRB not found to abort.\n");
2573 bsg_job->req->errors = bsg_reply->result = -ENXIO;
2574 return 0;
2575
2576 done:
2577 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2578 sp->free(sp);
2579 return 0;
2580 }
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