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Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
[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 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 = ((uint8_t *)scsi_req(bsg_job->req)->sense) +
923 sizeof(struct fc_bsg_reply);
924 memcpy(fw_sts_ptr, response, 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_alloc(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 memset(mn, 0, sizeof(struct access_chip_84xx));
1127 mn->entry_type = ACCESS_CHIP_IOCB_TYPE;
1128 mn->entry_count = 1;
1129 ql84_mgmt = (void *)bsg_request + sizeof(struct fc_bsg_request);
1130 switch (ql84_mgmt->mgmt.cmd) {
1131 case QLA84_MGMT_READ_MEM:
1132 case QLA84_MGMT_GET_INFO:
1133 sg_cnt = dma_map_sg(&ha->pdev->dev,
1134 bsg_job->reply_payload.sg_list,
1135 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
1136 if (!sg_cnt) {
1137 ql_log(ql_log_warn, vha, 0x703d,
1138 "dma_map_sg returned %d for reply.\n", sg_cnt);
1139 rval = -ENOMEM;
1140 goto exit_mgmt;
1141 }
1142
1143 dma_direction = DMA_FROM_DEVICE;
1144
1145 if (sg_cnt != bsg_job->reply_payload.sg_cnt) {
1146 ql_log(ql_log_warn, vha, 0x703e,
1147 "DMA mapping resulted in different sg counts, "
1148 "reply_sg_cnt: %x dma_reply_sg_cnt: %x.\n",
1149 bsg_job->reply_payload.sg_cnt, sg_cnt);
1150 rval = -EAGAIN;
1151 goto done_unmap_sg;
1152 }
1153
1154 data_len = bsg_job->reply_payload.payload_len;
1155
1156 mgmt_b = dma_alloc_coherent(&ha->pdev->dev, data_len,
1157 &mgmt_dma, GFP_KERNEL);
1158 if (!mgmt_b) {
1159 ql_log(ql_log_warn, vha, 0x703f,
1160 "DMA alloc failed for mgmt_b.\n");
1161 rval = -ENOMEM;
1162 goto done_unmap_sg;
1163 }
1164
1165 if (ql84_mgmt->mgmt.cmd == QLA84_MGMT_READ_MEM) {
1166 mn->options = cpu_to_le16(ACO_DUMP_MEMORY);
1167 mn->parameter1 =
1168 cpu_to_le32(
1169 ql84_mgmt->mgmt.mgmtp.u.mem.start_addr);
1170
1171 } else if (ql84_mgmt->mgmt.cmd == QLA84_MGMT_GET_INFO) {
1172 mn->options = cpu_to_le16(ACO_REQUEST_INFO);
1173 mn->parameter1 =
1174 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.info.type);
1175
1176 mn->parameter2 =
1177 cpu_to_le32(
1178 ql84_mgmt->mgmt.mgmtp.u.info.context);
1179 }
1180 break;
1181
1182 case QLA84_MGMT_WRITE_MEM:
1183 sg_cnt = dma_map_sg(&ha->pdev->dev,
1184 bsg_job->request_payload.sg_list,
1185 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1186
1187 if (!sg_cnt) {
1188 ql_log(ql_log_warn, vha, 0x7040,
1189 "dma_map_sg returned %d.\n", sg_cnt);
1190 rval = -ENOMEM;
1191 goto exit_mgmt;
1192 }
1193
1194 dma_direction = DMA_TO_DEVICE;
1195
1196 if (sg_cnt != bsg_job->request_payload.sg_cnt) {
1197 ql_log(ql_log_warn, vha, 0x7041,
1198 "DMA mapping resulted in different sg counts, "
1199 "request_sg_cnt: %x dma_request_sg_cnt: %x.\n",
1200 bsg_job->request_payload.sg_cnt, sg_cnt);
1201 rval = -EAGAIN;
1202 goto done_unmap_sg;
1203 }
1204
1205 data_len = bsg_job->request_payload.payload_len;
1206 mgmt_b = dma_alloc_coherent(&ha->pdev->dev, data_len,
1207 &mgmt_dma, GFP_KERNEL);
1208 if (!mgmt_b) {
1209 ql_log(ql_log_warn, vha, 0x7042,
1210 "DMA alloc failed for mgmt_b.\n");
1211 rval = -ENOMEM;
1212 goto done_unmap_sg;
1213 }
1214
1215 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1216 bsg_job->request_payload.sg_cnt, mgmt_b, data_len);
1217
1218 mn->options = cpu_to_le16(ACO_LOAD_MEMORY);
1219 mn->parameter1 =
1220 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.mem.start_addr);
1221 break;
1222
1223 case QLA84_MGMT_CHNG_CONFIG:
1224 mn->options = cpu_to_le16(ACO_CHANGE_CONFIG_PARAM);
1225 mn->parameter1 =
1226 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.id);
1227
1228 mn->parameter2 =
1229 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.param0);
1230
1231 mn->parameter3 =
1232 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.param1);
1233 break;
1234
1235 default:
1236 rval = -EIO;
1237 goto exit_mgmt;
1238 }
1239
1240 if (ql84_mgmt->mgmt.cmd != QLA84_MGMT_CHNG_CONFIG) {
1241 mn->total_byte_cnt = cpu_to_le32(ql84_mgmt->mgmt.len);
1242 mn->dseg_count = cpu_to_le16(1);
1243 mn->dseg_address[0] = cpu_to_le32(LSD(mgmt_dma));
1244 mn->dseg_address[1] = cpu_to_le32(MSD(mgmt_dma));
1245 mn->dseg_length = cpu_to_le32(ql84_mgmt->mgmt.len);
1246 }
1247
1248 rval = qla2x00_issue_iocb(vha, mn, mn_dma, 0);
1249
1250 if (rval) {
1251 ql_log(ql_log_warn, vha, 0x7043,
1252 "Vendor request 84xx mgmt failed.\n");
1253
1254 rval = (DID_ERROR << 16);
1255
1256 } else {
1257 ql_dbg(ql_dbg_user, vha, 0x7044,
1258 "Vendor request 84xx mgmt completed.\n");
1259
1260 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1261 bsg_reply->result = DID_OK;
1262
1263 if ((ql84_mgmt->mgmt.cmd == QLA84_MGMT_READ_MEM) ||
1264 (ql84_mgmt->mgmt.cmd == QLA84_MGMT_GET_INFO)) {
1265 bsg_reply->reply_payload_rcv_len =
1266 bsg_job->reply_payload.payload_len;
1267
1268 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1269 bsg_job->reply_payload.sg_cnt, mgmt_b,
1270 data_len);
1271 }
1272 }
1273
1274 done_unmap_sg:
1275 if (mgmt_b)
1276 dma_free_coherent(&ha->pdev->dev, data_len, mgmt_b, mgmt_dma);
1277
1278 if (dma_direction == DMA_TO_DEVICE)
1279 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
1280 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1281 else if (dma_direction == DMA_FROM_DEVICE)
1282 dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
1283 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
1284
1285 exit_mgmt:
1286 dma_pool_free(ha->s_dma_pool, mn, mn_dma);
1287
1288 if (!rval)
1289 bsg_job_done(bsg_job, bsg_reply->result,
1290 bsg_reply->reply_payload_rcv_len);
1291 return rval;
1292 }
1293
1294 static int
1295 qla24xx_iidma(struct bsg_job *bsg_job)
1296 {
1297 struct fc_bsg_request *bsg_request = bsg_job->request;
1298 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1299 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1300 scsi_qla_host_t *vha = shost_priv(host);
1301 int rval = 0;
1302 struct qla_port_param *port_param = NULL;
1303 fc_port_t *fcport = NULL;
1304 int found = 0;
1305 uint16_t mb[MAILBOX_REGISTER_COUNT];
1306 uint8_t *rsp_ptr = NULL;
1307
1308 if (!IS_IIDMA_CAPABLE(vha->hw)) {
1309 ql_log(ql_log_info, vha, 0x7046, "iiDMA not supported.\n");
1310 return -EINVAL;
1311 }
1312
1313 port_param = (void *)bsg_request + sizeof(struct fc_bsg_request);
1314 if (port_param->fc_scsi_addr.dest_type != EXT_DEF_TYPE_WWPN) {
1315 ql_log(ql_log_warn, vha, 0x7048,
1316 "Invalid destination type.\n");
1317 return -EINVAL;
1318 }
1319
1320 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1321 if (fcport->port_type != FCT_TARGET)
1322 continue;
1323
1324 if (memcmp(port_param->fc_scsi_addr.dest_addr.wwpn,
1325 fcport->port_name, sizeof(fcport->port_name)))
1326 continue;
1327
1328 found = 1;
1329 break;
1330 }
1331
1332 if (!found) {
1333 ql_log(ql_log_warn, vha, 0x7049,
1334 "Failed to find port.\n");
1335 return -EINVAL;
1336 }
1337
1338 if (atomic_read(&fcport->state) != FCS_ONLINE) {
1339 ql_log(ql_log_warn, vha, 0x704a,
1340 "Port is not online.\n");
1341 return -EINVAL;
1342 }
1343
1344 if (fcport->flags & FCF_LOGIN_NEEDED) {
1345 ql_log(ql_log_warn, vha, 0x704b,
1346 "Remote port not logged in flags = 0x%x.\n", fcport->flags);
1347 return -EINVAL;
1348 }
1349
1350 if (port_param->mode)
1351 rval = qla2x00_set_idma_speed(vha, fcport->loop_id,
1352 port_param->speed, mb);
1353 else
1354 rval = qla2x00_get_idma_speed(vha, fcport->loop_id,
1355 &port_param->speed, mb);
1356
1357 if (rval) {
1358 ql_log(ql_log_warn, vha, 0x704c,
1359 "iIDMA cmd failed for %8phN -- "
1360 "%04x %x %04x %04x.\n", fcport->port_name,
1361 rval, fcport->fp_speed, mb[0], mb[1]);
1362 rval = (DID_ERROR << 16);
1363 } else {
1364 if (!port_param->mode) {
1365 bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
1366 sizeof(struct qla_port_param);
1367
1368 rsp_ptr = ((uint8_t *)bsg_reply) +
1369 sizeof(struct fc_bsg_reply);
1370
1371 memcpy(rsp_ptr, port_param,
1372 sizeof(struct qla_port_param));
1373 }
1374
1375 bsg_reply->result = DID_OK;
1376 bsg_job_done(bsg_job, bsg_reply->result,
1377 bsg_reply->reply_payload_rcv_len);
1378 }
1379
1380 return rval;
1381 }
1382
1383 static int
1384 qla2x00_optrom_setup(struct bsg_job *bsg_job, scsi_qla_host_t *vha,
1385 uint8_t is_update)
1386 {
1387 struct fc_bsg_request *bsg_request = bsg_job->request;
1388 uint32_t start = 0;
1389 int valid = 0;
1390 struct qla_hw_data *ha = vha->hw;
1391
1392 if (unlikely(pci_channel_offline(ha->pdev)))
1393 return -EINVAL;
1394
1395 start = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
1396 if (start > ha->optrom_size) {
1397 ql_log(ql_log_warn, vha, 0x7055,
1398 "start %d > optrom_size %d.\n", start, ha->optrom_size);
1399 return -EINVAL;
1400 }
1401
1402 if (ha->optrom_state != QLA_SWAITING) {
1403 ql_log(ql_log_info, vha, 0x7056,
1404 "optrom_state %d.\n", ha->optrom_state);
1405 return -EBUSY;
1406 }
1407
1408 ha->optrom_region_start = start;
1409 ql_dbg(ql_dbg_user, vha, 0x7057, "is_update=%d.\n", is_update);
1410 if (is_update) {
1411 if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0)
1412 valid = 1;
1413 else if (start == (ha->flt_region_boot * 4) ||
1414 start == (ha->flt_region_fw * 4))
1415 valid = 1;
1416 else if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha) ||
1417 IS_CNA_CAPABLE(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha))
1418 valid = 1;
1419 if (!valid) {
1420 ql_log(ql_log_warn, vha, 0x7058,
1421 "Invalid start region 0x%x/0x%x.\n", start,
1422 bsg_job->request_payload.payload_len);
1423 return -EINVAL;
1424 }
1425
1426 ha->optrom_region_size = start +
1427 bsg_job->request_payload.payload_len > ha->optrom_size ?
1428 ha->optrom_size - start :
1429 bsg_job->request_payload.payload_len;
1430 ha->optrom_state = QLA_SWRITING;
1431 } else {
1432 ha->optrom_region_size = start +
1433 bsg_job->reply_payload.payload_len > ha->optrom_size ?
1434 ha->optrom_size - start :
1435 bsg_job->reply_payload.payload_len;
1436 ha->optrom_state = QLA_SREADING;
1437 }
1438
1439 ha->optrom_buffer = vmalloc(ha->optrom_region_size);
1440 if (!ha->optrom_buffer) {
1441 ql_log(ql_log_warn, vha, 0x7059,
1442 "Read: Unable to allocate memory for optrom retrieval "
1443 "(%x)\n", ha->optrom_region_size);
1444
1445 ha->optrom_state = QLA_SWAITING;
1446 return -ENOMEM;
1447 }
1448
1449 memset(ha->optrom_buffer, 0, ha->optrom_region_size);
1450 return 0;
1451 }
1452
1453 static int
1454 qla2x00_read_optrom(struct bsg_job *bsg_job)
1455 {
1456 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1457 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1458 scsi_qla_host_t *vha = shost_priv(host);
1459 struct qla_hw_data *ha = vha->hw;
1460 int rval = 0;
1461
1462 if (ha->flags.nic_core_reset_hdlr_active)
1463 return -EBUSY;
1464
1465 mutex_lock(&ha->optrom_mutex);
1466 rval = qla2x00_optrom_setup(bsg_job, vha, 0);
1467 if (rval) {
1468 mutex_unlock(&ha->optrom_mutex);
1469 return rval;
1470 }
1471
1472 ha->isp_ops->read_optrom(vha, ha->optrom_buffer,
1473 ha->optrom_region_start, ha->optrom_region_size);
1474
1475 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1476 bsg_job->reply_payload.sg_cnt, ha->optrom_buffer,
1477 ha->optrom_region_size);
1478
1479 bsg_reply->reply_payload_rcv_len = ha->optrom_region_size;
1480 bsg_reply->result = DID_OK;
1481 vfree(ha->optrom_buffer);
1482 ha->optrom_buffer = NULL;
1483 ha->optrom_state = QLA_SWAITING;
1484 mutex_unlock(&ha->optrom_mutex);
1485 bsg_job_done(bsg_job, bsg_reply->result,
1486 bsg_reply->reply_payload_rcv_len);
1487 return rval;
1488 }
1489
1490 static int
1491 qla2x00_update_optrom(struct bsg_job *bsg_job)
1492 {
1493 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1494 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1495 scsi_qla_host_t *vha = shost_priv(host);
1496 struct qla_hw_data *ha = vha->hw;
1497 int rval = 0;
1498
1499 mutex_lock(&ha->optrom_mutex);
1500 rval = qla2x00_optrom_setup(bsg_job, vha, 1);
1501 if (rval) {
1502 mutex_unlock(&ha->optrom_mutex);
1503 return rval;
1504 }
1505
1506 /* Set the isp82xx_no_md_cap not to capture minidump */
1507 ha->flags.isp82xx_no_md_cap = 1;
1508
1509 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1510 bsg_job->request_payload.sg_cnt, ha->optrom_buffer,
1511 ha->optrom_region_size);
1512
1513 ha->isp_ops->write_optrom(vha, ha->optrom_buffer,
1514 ha->optrom_region_start, ha->optrom_region_size);
1515
1516 bsg_reply->result = DID_OK;
1517 vfree(ha->optrom_buffer);
1518 ha->optrom_buffer = NULL;
1519 ha->optrom_state = QLA_SWAITING;
1520 mutex_unlock(&ha->optrom_mutex);
1521 bsg_job_done(bsg_job, bsg_reply->result,
1522 bsg_reply->reply_payload_rcv_len);
1523 return rval;
1524 }
1525
1526 static int
1527 qla2x00_update_fru_versions(struct bsg_job *bsg_job)
1528 {
1529 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1530 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1531 scsi_qla_host_t *vha = shost_priv(host);
1532 struct qla_hw_data *ha = vha->hw;
1533 int rval = 0;
1534 uint8_t bsg[DMA_POOL_SIZE];
1535 struct qla_image_version_list *list = (void *)bsg;
1536 struct qla_image_version *image;
1537 uint32_t count;
1538 dma_addr_t sfp_dma;
1539 void *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1540 if (!sfp) {
1541 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1542 EXT_STATUS_NO_MEMORY;
1543 goto done;
1544 }
1545
1546 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1547 bsg_job->request_payload.sg_cnt, list, sizeof(bsg));
1548
1549 image = list->version;
1550 count = list->count;
1551 while (count--) {
1552 memcpy(sfp, &image->field_info, sizeof(image->field_info));
1553 rval = qla2x00_write_sfp(vha, sfp_dma, sfp,
1554 image->field_address.device, image->field_address.offset,
1555 sizeof(image->field_info), image->field_address.option);
1556 if (rval) {
1557 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1558 EXT_STATUS_MAILBOX;
1559 goto dealloc;
1560 }
1561 image++;
1562 }
1563
1564 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1565
1566 dealloc:
1567 dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1568
1569 done:
1570 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1571 bsg_reply->result = DID_OK << 16;
1572 bsg_job_done(bsg_job, bsg_reply->result,
1573 bsg_reply->reply_payload_rcv_len);
1574
1575 return 0;
1576 }
1577
1578 static int
1579 qla2x00_read_fru_status(struct bsg_job *bsg_job)
1580 {
1581 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1582 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1583 scsi_qla_host_t *vha = shost_priv(host);
1584 struct qla_hw_data *ha = vha->hw;
1585 int rval = 0;
1586 uint8_t bsg[DMA_POOL_SIZE];
1587 struct qla_status_reg *sr = (void *)bsg;
1588 dma_addr_t sfp_dma;
1589 uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1590 if (!sfp) {
1591 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1592 EXT_STATUS_NO_MEMORY;
1593 goto done;
1594 }
1595
1596 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1597 bsg_job->request_payload.sg_cnt, sr, sizeof(*sr));
1598
1599 rval = qla2x00_read_sfp(vha, sfp_dma, sfp,
1600 sr->field_address.device, sr->field_address.offset,
1601 sizeof(sr->status_reg), sr->field_address.option);
1602 sr->status_reg = *sfp;
1603
1604 if (rval) {
1605 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1606 EXT_STATUS_MAILBOX;
1607 goto dealloc;
1608 }
1609
1610 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1611 bsg_job->reply_payload.sg_cnt, sr, sizeof(*sr));
1612
1613 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1614
1615 dealloc:
1616 dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1617
1618 done:
1619 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1620 bsg_reply->reply_payload_rcv_len = sizeof(*sr);
1621 bsg_reply->result = DID_OK << 16;
1622 bsg_job_done(bsg_job, bsg_reply->result,
1623 bsg_reply->reply_payload_rcv_len);
1624
1625 return 0;
1626 }
1627
1628 static int
1629 qla2x00_write_fru_status(struct bsg_job *bsg_job)
1630 {
1631 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1632 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1633 scsi_qla_host_t *vha = shost_priv(host);
1634 struct qla_hw_data *ha = vha->hw;
1635 int rval = 0;
1636 uint8_t bsg[DMA_POOL_SIZE];
1637 struct qla_status_reg *sr = (void *)bsg;
1638 dma_addr_t sfp_dma;
1639 uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1640 if (!sfp) {
1641 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1642 EXT_STATUS_NO_MEMORY;
1643 goto done;
1644 }
1645
1646 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1647 bsg_job->request_payload.sg_cnt, sr, sizeof(*sr));
1648
1649 *sfp = sr->status_reg;
1650 rval = qla2x00_write_sfp(vha, sfp_dma, sfp,
1651 sr->field_address.device, sr->field_address.offset,
1652 sizeof(sr->status_reg), sr->field_address.option);
1653
1654 if (rval) {
1655 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1656 EXT_STATUS_MAILBOX;
1657 goto dealloc;
1658 }
1659
1660 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1661
1662 dealloc:
1663 dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1664
1665 done:
1666 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1667 bsg_reply->result = DID_OK << 16;
1668 bsg_job_done(bsg_job, bsg_reply->result,
1669 bsg_reply->reply_payload_rcv_len);
1670
1671 return 0;
1672 }
1673
1674 static int
1675 qla2x00_write_i2c(struct bsg_job *bsg_job)
1676 {
1677 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1678 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1679 scsi_qla_host_t *vha = shost_priv(host);
1680 struct qla_hw_data *ha = vha->hw;
1681 int rval = 0;
1682 uint8_t bsg[DMA_POOL_SIZE];
1683 struct qla_i2c_access *i2c = (void *)bsg;
1684 dma_addr_t sfp_dma;
1685 uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1686 if (!sfp) {
1687 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1688 EXT_STATUS_NO_MEMORY;
1689 goto done;
1690 }
1691
1692 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1693 bsg_job->request_payload.sg_cnt, i2c, sizeof(*i2c));
1694
1695 memcpy(sfp, i2c->buffer, i2c->length);
1696 rval = qla2x00_write_sfp(vha, sfp_dma, sfp,
1697 i2c->device, i2c->offset, i2c->length, i2c->option);
1698
1699 if (rval) {
1700 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1701 EXT_STATUS_MAILBOX;
1702 goto dealloc;
1703 }
1704
1705 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1706
1707 dealloc:
1708 dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1709
1710 done:
1711 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1712 bsg_reply->result = DID_OK << 16;
1713 bsg_job_done(bsg_job, bsg_reply->result,
1714 bsg_reply->reply_payload_rcv_len);
1715
1716 return 0;
1717 }
1718
1719 static int
1720 qla2x00_read_i2c(struct bsg_job *bsg_job)
1721 {
1722 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1723 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1724 scsi_qla_host_t *vha = shost_priv(host);
1725 struct qla_hw_data *ha = vha->hw;
1726 int rval = 0;
1727 uint8_t bsg[DMA_POOL_SIZE];
1728 struct qla_i2c_access *i2c = (void *)bsg;
1729 dma_addr_t sfp_dma;
1730 uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1731 if (!sfp) {
1732 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1733 EXT_STATUS_NO_MEMORY;
1734 goto done;
1735 }
1736
1737 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1738 bsg_job->request_payload.sg_cnt, i2c, sizeof(*i2c));
1739
1740 rval = qla2x00_read_sfp(vha, sfp_dma, sfp,
1741 i2c->device, i2c->offset, i2c->length, i2c->option);
1742
1743 if (rval) {
1744 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1745 EXT_STATUS_MAILBOX;
1746 goto dealloc;
1747 }
1748
1749 memcpy(i2c->buffer, sfp, i2c->length);
1750 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1751 bsg_job->reply_payload.sg_cnt, i2c, sizeof(*i2c));
1752
1753 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1754
1755 dealloc:
1756 dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1757
1758 done:
1759 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1760 bsg_reply->reply_payload_rcv_len = sizeof(*i2c);
1761 bsg_reply->result = DID_OK << 16;
1762 bsg_job_done(bsg_job, bsg_reply->result,
1763 bsg_reply->reply_payload_rcv_len);
1764
1765 return 0;
1766 }
1767
1768 static int
1769 qla24xx_process_bidir_cmd(struct bsg_job *bsg_job)
1770 {
1771 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1772 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1773 scsi_qla_host_t *vha = shost_priv(host);
1774 struct qla_hw_data *ha = vha->hw;
1775 uint32_t rval = EXT_STATUS_OK;
1776 uint16_t req_sg_cnt = 0;
1777 uint16_t rsp_sg_cnt = 0;
1778 uint16_t nextlid = 0;
1779 uint32_t tot_dsds;
1780 srb_t *sp = NULL;
1781 uint32_t req_data_len = 0;
1782 uint32_t rsp_data_len = 0;
1783
1784 /* Check the type of the adapter */
1785 if (!IS_BIDI_CAPABLE(ha)) {
1786 ql_log(ql_log_warn, vha, 0x70a0,
1787 "This adapter is not supported\n");
1788 rval = EXT_STATUS_NOT_SUPPORTED;
1789 goto done;
1790 }
1791
1792 if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
1793 test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
1794 test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
1795 rval = EXT_STATUS_BUSY;
1796 goto done;
1797 }
1798
1799 /* Check if host is online */
1800 if (!vha->flags.online) {
1801 ql_log(ql_log_warn, vha, 0x70a1,
1802 "Host is not online\n");
1803 rval = EXT_STATUS_DEVICE_OFFLINE;
1804 goto done;
1805 }
1806
1807 /* Check if cable is plugged in or not */
1808 if (vha->device_flags & DFLG_NO_CABLE) {
1809 ql_log(ql_log_warn, vha, 0x70a2,
1810 "Cable is unplugged...\n");
1811 rval = EXT_STATUS_INVALID_CFG;
1812 goto done;
1813 }
1814
1815 /* Check if the switch is connected or not */
1816 if (ha->current_topology != ISP_CFG_F) {
1817 ql_log(ql_log_warn, vha, 0x70a3,
1818 "Host is not connected to the switch\n");
1819 rval = EXT_STATUS_INVALID_CFG;
1820 goto done;
1821 }
1822
1823 /* Check if operating mode is P2P */
1824 if (ha->operating_mode != P2P) {
1825 ql_log(ql_log_warn, vha, 0x70a4,
1826 "Host operating mode is not P2p\n");
1827 rval = EXT_STATUS_INVALID_CFG;
1828 goto done;
1829 }
1830
1831 mutex_lock(&ha->selflogin_lock);
1832 if (vha->self_login_loop_id == 0) {
1833 /* Initialize all required fields of fcport */
1834 vha->bidir_fcport.vha = vha;
1835 vha->bidir_fcport.d_id.b.al_pa = vha->d_id.b.al_pa;
1836 vha->bidir_fcport.d_id.b.area = vha->d_id.b.area;
1837 vha->bidir_fcport.d_id.b.domain = vha->d_id.b.domain;
1838 vha->bidir_fcport.loop_id = vha->loop_id;
1839
1840 if (qla2x00_fabric_login(vha, &(vha->bidir_fcport), &nextlid)) {
1841 ql_log(ql_log_warn, vha, 0x70a7,
1842 "Failed to login port %06X for bidirectional IOCB\n",
1843 vha->bidir_fcport.d_id.b24);
1844 mutex_unlock(&ha->selflogin_lock);
1845 rval = EXT_STATUS_MAILBOX;
1846 goto done;
1847 }
1848 vha->self_login_loop_id = nextlid - 1;
1849
1850 }
1851 /* Assign the self login loop id to fcport */
1852 mutex_unlock(&ha->selflogin_lock);
1853
1854 vha->bidir_fcport.loop_id = vha->self_login_loop_id;
1855
1856 req_sg_cnt = dma_map_sg(&ha->pdev->dev,
1857 bsg_job->request_payload.sg_list,
1858 bsg_job->request_payload.sg_cnt,
1859 DMA_TO_DEVICE);
1860
1861 if (!req_sg_cnt) {
1862 rval = EXT_STATUS_NO_MEMORY;
1863 goto done;
1864 }
1865
1866 rsp_sg_cnt = dma_map_sg(&ha->pdev->dev,
1867 bsg_job->reply_payload.sg_list, bsg_job->reply_payload.sg_cnt,
1868 DMA_FROM_DEVICE);
1869
1870 if (!rsp_sg_cnt) {
1871 rval = EXT_STATUS_NO_MEMORY;
1872 goto done_unmap_req_sg;
1873 }
1874
1875 if ((req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
1876 (rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
1877 ql_dbg(ql_dbg_user, vha, 0x70a9,
1878 "Dma mapping resulted in different sg counts "
1879 "[request_sg_cnt: %x dma_request_sg_cnt: %x reply_sg_cnt: "
1880 "%x dma_reply_sg_cnt: %x]\n",
1881 bsg_job->request_payload.sg_cnt, req_sg_cnt,
1882 bsg_job->reply_payload.sg_cnt, rsp_sg_cnt);
1883 rval = EXT_STATUS_NO_MEMORY;
1884 goto done_unmap_sg;
1885 }
1886
1887 if (req_data_len != rsp_data_len) {
1888 rval = EXT_STATUS_BUSY;
1889 ql_log(ql_log_warn, vha, 0x70aa,
1890 "req_data_len != rsp_data_len\n");
1891 goto done_unmap_sg;
1892 }
1893
1894 req_data_len = bsg_job->request_payload.payload_len;
1895 rsp_data_len = bsg_job->reply_payload.payload_len;
1896
1897
1898 /* Alloc SRB structure */
1899 sp = qla2x00_get_sp(vha, &(vha->bidir_fcport), GFP_KERNEL);
1900 if (!sp) {
1901 ql_dbg(ql_dbg_user, vha, 0x70ac,
1902 "Alloc SRB structure failed\n");
1903 rval = EXT_STATUS_NO_MEMORY;
1904 goto done_unmap_sg;
1905 }
1906
1907 /*Populate srb->ctx with bidir ctx*/
1908 sp->u.bsg_job = bsg_job;
1909 sp->free = qla2x00_bsg_sp_free;
1910 sp->type = SRB_BIDI_CMD;
1911 sp->done = qla2x00_bsg_job_done;
1912
1913 /* Add the read and write sg count */
1914 tot_dsds = rsp_sg_cnt + req_sg_cnt;
1915
1916 rval = qla2x00_start_bidir(sp, vha, tot_dsds);
1917 if (rval != EXT_STATUS_OK)
1918 goto done_free_srb;
1919 /* the bsg request will be completed in the interrupt handler */
1920 return rval;
1921
1922 done_free_srb:
1923 mempool_free(sp, ha->srb_mempool);
1924 done_unmap_sg:
1925 dma_unmap_sg(&ha->pdev->dev,
1926 bsg_job->reply_payload.sg_list,
1927 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
1928 done_unmap_req_sg:
1929 dma_unmap_sg(&ha->pdev->dev,
1930 bsg_job->request_payload.sg_list,
1931 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1932 done:
1933
1934 /* Return an error vendor specific response
1935 * and complete the bsg request
1936 */
1937 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval;
1938 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1939 bsg_reply->reply_payload_rcv_len = 0;
1940 bsg_reply->result = (DID_OK) << 16;
1941 bsg_job_done(bsg_job, bsg_reply->result,
1942 bsg_reply->reply_payload_rcv_len);
1943 /* Always return success, vendor rsp carries correct status */
1944 return 0;
1945 }
1946
1947 static int
1948 qlafx00_mgmt_cmd(struct bsg_job *bsg_job)
1949 {
1950 struct fc_bsg_request *bsg_request = bsg_job->request;
1951 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1952 scsi_qla_host_t *vha = shost_priv(host);
1953 struct qla_hw_data *ha = vha->hw;
1954 int rval = (DRIVER_ERROR << 16);
1955 struct qla_mt_iocb_rqst_fx00 *piocb_rqst;
1956 srb_t *sp;
1957 int req_sg_cnt = 0, rsp_sg_cnt = 0;
1958 struct fc_port *fcport;
1959 char *type = "FC_BSG_HST_FX_MGMT";
1960
1961 /* Copy the IOCB specific information */
1962 piocb_rqst = (struct qla_mt_iocb_rqst_fx00 *)
1963 &bsg_request->rqst_data.h_vendor.vendor_cmd[1];
1964
1965 /* Dump the vendor information */
1966 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose , vha, 0x70cf,
1967 (uint8_t *)piocb_rqst, sizeof(struct qla_mt_iocb_rqst_fx00));
1968
1969 if (!vha->flags.online) {
1970 ql_log(ql_log_warn, vha, 0x70d0,
1971 "Host is not online.\n");
1972 rval = -EIO;
1973 goto done;
1974 }
1975
1976 if (piocb_rqst->flags & SRB_FXDISC_REQ_DMA_VALID) {
1977 req_sg_cnt = dma_map_sg(&ha->pdev->dev,
1978 bsg_job->request_payload.sg_list,
1979 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1980 if (!req_sg_cnt) {
1981 ql_log(ql_log_warn, vha, 0x70c7,
1982 "dma_map_sg return %d for request\n", req_sg_cnt);
1983 rval = -ENOMEM;
1984 goto done;
1985 }
1986 }
1987
1988 if (piocb_rqst->flags & SRB_FXDISC_RESP_DMA_VALID) {
1989 rsp_sg_cnt = dma_map_sg(&ha->pdev->dev,
1990 bsg_job->reply_payload.sg_list,
1991 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
1992 if (!rsp_sg_cnt) {
1993 ql_log(ql_log_warn, vha, 0x70c8,
1994 "dma_map_sg return %d for reply\n", rsp_sg_cnt);
1995 rval = -ENOMEM;
1996 goto done_unmap_req_sg;
1997 }
1998 }
1999
2000 ql_dbg(ql_dbg_user, vha, 0x70c9,
2001 "request_sg_cnt: %x dma_request_sg_cnt: %x reply_sg_cnt:%x "
2002 "dma_reply_sg_cnt: %x\n", bsg_job->request_payload.sg_cnt,
2003 req_sg_cnt, bsg_job->reply_payload.sg_cnt, rsp_sg_cnt);
2004
2005 /* Allocate a dummy fcport structure, since functions preparing the
2006 * IOCB and mailbox command retrieves port specific information
2007 * from fcport structure. For Host based ELS commands there will be
2008 * no fcport structure allocated
2009 */
2010 fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
2011 if (!fcport) {
2012 ql_log(ql_log_warn, vha, 0x70ca,
2013 "Failed to allocate fcport.\n");
2014 rval = -ENOMEM;
2015 goto done_unmap_rsp_sg;
2016 }
2017
2018 /* Alloc SRB structure */
2019 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
2020 if (!sp) {
2021 ql_log(ql_log_warn, vha, 0x70cb,
2022 "qla2x00_get_sp failed.\n");
2023 rval = -ENOMEM;
2024 goto done_free_fcport;
2025 }
2026
2027 /* Initialize all required fields of fcport */
2028 fcport->vha = vha;
2029 fcport->loop_id = piocb_rqst->dataword;
2030
2031 sp->type = SRB_FXIOCB_BCMD;
2032 sp->name = "bsg_fx_mgmt";
2033 sp->iocbs = qla24xx_calc_ct_iocbs(req_sg_cnt + rsp_sg_cnt);
2034 sp->u.bsg_job = bsg_job;
2035 sp->free = qla2x00_bsg_sp_free;
2036 sp->done = qla2x00_bsg_job_done;
2037
2038 ql_dbg(ql_dbg_user, vha, 0x70cc,
2039 "bsg rqst type: %s fx_mgmt_type: %x id=%x\n",
2040 type, piocb_rqst->func_type, fcport->loop_id);
2041
2042 rval = qla2x00_start_sp(sp);
2043 if (rval != QLA_SUCCESS) {
2044 ql_log(ql_log_warn, vha, 0x70cd,
2045 "qla2x00_start_sp failed=%d.\n", rval);
2046 mempool_free(sp, ha->srb_mempool);
2047 rval = -EIO;
2048 goto done_free_fcport;
2049 }
2050 return rval;
2051
2052 done_free_fcport:
2053 kfree(fcport);
2054
2055 done_unmap_rsp_sg:
2056 if (piocb_rqst->flags & SRB_FXDISC_RESP_DMA_VALID)
2057 dma_unmap_sg(&ha->pdev->dev,
2058 bsg_job->reply_payload.sg_list,
2059 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
2060 done_unmap_req_sg:
2061 if (piocb_rqst->flags & SRB_FXDISC_REQ_DMA_VALID)
2062 dma_unmap_sg(&ha->pdev->dev,
2063 bsg_job->request_payload.sg_list,
2064 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
2065
2066 done:
2067 return rval;
2068 }
2069
2070 static int
2071 qla26xx_serdes_op(struct bsg_job *bsg_job)
2072 {
2073 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2074 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
2075 scsi_qla_host_t *vha = shost_priv(host);
2076 int rval = 0;
2077 struct qla_serdes_reg sr;
2078
2079 memset(&sr, 0, sizeof(sr));
2080
2081 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
2082 bsg_job->request_payload.sg_cnt, &sr, sizeof(sr));
2083
2084 switch (sr.cmd) {
2085 case INT_SC_SERDES_WRITE_REG:
2086 rval = qla2x00_write_serdes_word(vha, sr.addr, sr.val);
2087 bsg_reply->reply_payload_rcv_len = 0;
2088 break;
2089 case INT_SC_SERDES_READ_REG:
2090 rval = qla2x00_read_serdes_word(vha, sr.addr, &sr.val);
2091 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
2092 bsg_job->reply_payload.sg_cnt, &sr, sizeof(sr));
2093 bsg_reply->reply_payload_rcv_len = sizeof(sr);
2094 break;
2095 default:
2096 ql_dbg(ql_dbg_user, vha, 0x708c,
2097 "Unknown serdes cmd %x.\n", sr.cmd);
2098 rval = -EINVAL;
2099 break;
2100 }
2101
2102 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
2103 rval ? EXT_STATUS_MAILBOX : 0;
2104
2105 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2106 bsg_reply->result = DID_OK << 16;
2107 bsg_job_done(bsg_job, bsg_reply->result,
2108 bsg_reply->reply_payload_rcv_len);
2109 return 0;
2110 }
2111
2112 static int
2113 qla8044_serdes_op(struct bsg_job *bsg_job)
2114 {
2115 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2116 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
2117 scsi_qla_host_t *vha = shost_priv(host);
2118 int rval = 0;
2119 struct qla_serdes_reg_ex sr;
2120
2121 memset(&sr, 0, sizeof(sr));
2122
2123 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
2124 bsg_job->request_payload.sg_cnt, &sr, sizeof(sr));
2125
2126 switch (sr.cmd) {
2127 case INT_SC_SERDES_WRITE_REG:
2128 rval = qla8044_write_serdes_word(vha, sr.addr, sr.val);
2129 bsg_reply->reply_payload_rcv_len = 0;
2130 break;
2131 case INT_SC_SERDES_READ_REG:
2132 rval = qla8044_read_serdes_word(vha, sr.addr, &sr.val);
2133 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
2134 bsg_job->reply_payload.sg_cnt, &sr, sizeof(sr));
2135 bsg_reply->reply_payload_rcv_len = sizeof(sr);
2136 break;
2137 default:
2138 ql_dbg(ql_dbg_user, vha, 0x7020,
2139 "Unknown serdes cmd %x.\n", sr.cmd);
2140 rval = -EINVAL;
2141 break;
2142 }
2143
2144 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
2145 rval ? EXT_STATUS_MAILBOX : 0;
2146
2147 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2148 bsg_reply->result = DID_OK << 16;
2149 bsg_job_done(bsg_job, bsg_reply->result,
2150 bsg_reply->reply_payload_rcv_len);
2151 return 0;
2152 }
2153
2154 static int
2155 qla27xx_get_flash_upd_cap(struct bsg_job *bsg_job)
2156 {
2157 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2158 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
2159 scsi_qla_host_t *vha = shost_priv(host);
2160 struct qla_hw_data *ha = vha->hw;
2161 struct qla_flash_update_caps cap;
2162
2163 if (!(IS_QLA27XX(ha)))
2164 return -EPERM;
2165
2166 memset(&cap, 0, sizeof(cap));
2167 cap.capabilities = (uint64_t)ha->fw_attributes_ext[1] << 48 |
2168 (uint64_t)ha->fw_attributes_ext[0] << 32 |
2169 (uint64_t)ha->fw_attributes_h << 16 |
2170 (uint64_t)ha->fw_attributes;
2171
2172 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
2173 bsg_job->reply_payload.sg_cnt, &cap, sizeof(cap));
2174 bsg_reply->reply_payload_rcv_len = sizeof(cap);
2175
2176 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
2177 EXT_STATUS_OK;
2178
2179 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2180 bsg_reply->result = DID_OK << 16;
2181 bsg_job_done(bsg_job, bsg_reply->result,
2182 bsg_reply->reply_payload_rcv_len);
2183 return 0;
2184 }
2185
2186 static int
2187 qla27xx_set_flash_upd_cap(struct bsg_job *bsg_job)
2188 {
2189 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2190 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
2191 scsi_qla_host_t *vha = shost_priv(host);
2192 struct qla_hw_data *ha = vha->hw;
2193 uint64_t online_fw_attr = 0;
2194 struct qla_flash_update_caps cap;
2195
2196 if (!(IS_QLA27XX(ha)))
2197 return -EPERM;
2198
2199 memset(&cap, 0, sizeof(cap));
2200 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
2201 bsg_job->request_payload.sg_cnt, &cap, sizeof(cap));
2202
2203 online_fw_attr = (uint64_t)ha->fw_attributes_ext[1] << 48 |
2204 (uint64_t)ha->fw_attributes_ext[0] << 32 |
2205 (uint64_t)ha->fw_attributes_h << 16 |
2206 (uint64_t)ha->fw_attributes;
2207
2208 if (online_fw_attr != cap.capabilities) {
2209 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
2210 EXT_STATUS_INVALID_PARAM;
2211 return -EINVAL;
2212 }
2213
2214 if (cap.outage_duration < MAX_LOOP_TIMEOUT) {
2215 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
2216 EXT_STATUS_INVALID_PARAM;
2217 return -EINVAL;
2218 }
2219
2220 bsg_reply->reply_payload_rcv_len = 0;
2221
2222 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
2223 EXT_STATUS_OK;
2224
2225 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2226 bsg_reply->result = DID_OK << 16;
2227 bsg_job_done(bsg_job, bsg_reply->result,
2228 bsg_reply->reply_payload_rcv_len);
2229 return 0;
2230 }
2231
2232 static int
2233 qla27xx_get_bbcr_data(struct bsg_job *bsg_job)
2234 {
2235 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2236 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
2237 scsi_qla_host_t *vha = shost_priv(host);
2238 struct qla_hw_data *ha = vha->hw;
2239 struct qla_bbcr_data bbcr;
2240 uint16_t loop_id, topo, sw_cap;
2241 uint8_t domain, area, al_pa, state;
2242 int rval;
2243
2244 if (!(IS_QLA27XX(ha)))
2245 return -EPERM;
2246
2247 memset(&bbcr, 0, sizeof(bbcr));
2248
2249 if (vha->flags.bbcr_enable)
2250 bbcr.status = QLA_BBCR_STATUS_ENABLED;
2251 else
2252 bbcr.status = QLA_BBCR_STATUS_DISABLED;
2253
2254 if (bbcr.status == QLA_BBCR_STATUS_ENABLED) {
2255 rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
2256 &area, &domain, &topo, &sw_cap);
2257 if (rval != QLA_SUCCESS) {
2258 bbcr.status = QLA_BBCR_STATUS_UNKNOWN;
2259 bbcr.state = QLA_BBCR_STATE_OFFLINE;
2260 bbcr.mbx1 = loop_id;
2261 goto done;
2262 }
2263
2264 state = (vha->bbcr >> 12) & 0x1;
2265
2266 if (state) {
2267 bbcr.state = QLA_BBCR_STATE_OFFLINE;
2268 bbcr.offline_reason_code = QLA_BBCR_REASON_LOGIN_REJECT;
2269 } else {
2270 bbcr.state = QLA_BBCR_STATE_ONLINE;
2271 bbcr.negotiated_bbscn = (vha->bbcr >> 8) & 0xf;
2272 }
2273
2274 bbcr.configured_bbscn = vha->bbcr & 0xf;
2275 }
2276
2277 done:
2278 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
2279 bsg_job->reply_payload.sg_cnt, &bbcr, sizeof(bbcr));
2280 bsg_reply->reply_payload_rcv_len = sizeof(bbcr);
2281
2282 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = EXT_STATUS_OK;
2283
2284 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2285 bsg_reply->result = DID_OK << 16;
2286 bsg_job_done(bsg_job, bsg_reply->result,
2287 bsg_reply->reply_payload_rcv_len);
2288 return 0;
2289 }
2290
2291 static int
2292 qla2x00_get_priv_stats(struct bsg_job *bsg_job)
2293 {
2294 struct fc_bsg_request *bsg_request = bsg_job->request;
2295 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2296 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
2297 scsi_qla_host_t *vha = shost_priv(host);
2298 struct qla_hw_data *ha = vha->hw;
2299 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2300 struct link_statistics *stats = NULL;
2301 dma_addr_t stats_dma;
2302 int rval;
2303 uint32_t *cmd = bsg_request->rqst_data.h_vendor.vendor_cmd;
2304 uint options = cmd[0] == QL_VND_GET_PRIV_STATS_EX ? cmd[1] : 0;
2305
2306 if (test_bit(UNLOADING, &vha->dpc_flags))
2307 return -ENODEV;
2308
2309 if (unlikely(pci_channel_offline(ha->pdev)))
2310 return -ENODEV;
2311
2312 if (qla2x00_reset_active(vha))
2313 return -EBUSY;
2314
2315 if (!IS_FWI2_CAPABLE(ha))
2316 return -EPERM;
2317
2318 stats = dma_alloc_coherent(&ha->pdev->dev,
2319 sizeof(*stats), &stats_dma, GFP_KERNEL);
2320 if (!stats) {
2321 ql_log(ql_log_warn, vha, 0x70e2,
2322 "Failed to allocate memory for stats.\n");
2323 return -ENOMEM;
2324 }
2325
2326 memset(stats, 0, sizeof(*stats));
2327
2328 rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma, options);
2329
2330 if (rval == QLA_SUCCESS) {
2331 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose, vha, 0x70e3,
2332 (uint8_t *)stats, sizeof(*stats));
2333 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
2334 bsg_job->reply_payload.sg_cnt, stats, sizeof(*stats));
2335 }
2336
2337 bsg_reply->reply_payload_rcv_len = sizeof(*stats);
2338 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
2339 rval ? EXT_STATUS_MAILBOX : EXT_STATUS_OK;
2340
2341 bsg_job->reply_len = sizeof(*bsg_reply);
2342 bsg_reply->result = DID_OK << 16;
2343 bsg_job_done(bsg_job, bsg_reply->result,
2344 bsg_reply->reply_payload_rcv_len);
2345
2346 dma_free_coherent(&ha->pdev->dev, sizeof(*stats),
2347 stats, stats_dma);
2348
2349 return 0;
2350 }
2351
2352 static int
2353 qla2x00_do_dport_diagnostics(struct bsg_job *bsg_job)
2354 {
2355 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2356 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
2357 scsi_qla_host_t *vha = shost_priv(host);
2358 int rval;
2359 struct qla_dport_diag *dd;
2360
2361 if (!IS_QLA83XX(vha->hw) && !IS_QLA27XX(vha->hw))
2362 return -EPERM;
2363
2364 dd = kmalloc(sizeof(*dd), GFP_KERNEL);
2365 if (!dd) {
2366 ql_log(ql_log_warn, vha, 0x70db,
2367 "Failed to allocate memory for dport.\n");
2368 return -ENOMEM;
2369 }
2370
2371 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
2372 bsg_job->request_payload.sg_cnt, dd, sizeof(*dd));
2373
2374 rval = qla26xx_dport_diagnostics(
2375 vha, dd->buf, sizeof(dd->buf), dd->options);
2376 if (rval == QLA_SUCCESS) {
2377 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
2378 bsg_job->reply_payload.sg_cnt, dd, sizeof(*dd));
2379 }
2380
2381 bsg_reply->reply_payload_rcv_len = sizeof(*dd);
2382 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
2383 rval ? EXT_STATUS_MAILBOX : EXT_STATUS_OK;
2384
2385 bsg_job->reply_len = sizeof(*bsg_reply);
2386 bsg_reply->result = DID_OK << 16;
2387 bsg_job_done(bsg_job, bsg_reply->result,
2388 bsg_reply->reply_payload_rcv_len);
2389
2390 kfree(dd);
2391
2392 return 0;
2393 }
2394
2395 static int
2396 qla2x00_process_vendor_specific(struct bsg_job *bsg_job)
2397 {
2398 struct fc_bsg_request *bsg_request = bsg_job->request;
2399
2400 switch (bsg_request->rqst_data.h_vendor.vendor_cmd[0]) {
2401 case QL_VND_LOOPBACK:
2402 return qla2x00_process_loopback(bsg_job);
2403
2404 case QL_VND_A84_RESET:
2405 return qla84xx_reset(bsg_job);
2406
2407 case QL_VND_A84_UPDATE_FW:
2408 return qla84xx_updatefw(bsg_job);
2409
2410 case QL_VND_A84_MGMT_CMD:
2411 return qla84xx_mgmt_cmd(bsg_job);
2412
2413 case QL_VND_IIDMA:
2414 return qla24xx_iidma(bsg_job);
2415
2416 case QL_VND_FCP_PRIO_CFG_CMD:
2417 return qla24xx_proc_fcp_prio_cfg_cmd(bsg_job);
2418
2419 case QL_VND_READ_FLASH:
2420 return qla2x00_read_optrom(bsg_job);
2421
2422 case QL_VND_UPDATE_FLASH:
2423 return qla2x00_update_optrom(bsg_job);
2424
2425 case QL_VND_SET_FRU_VERSION:
2426 return qla2x00_update_fru_versions(bsg_job);
2427
2428 case QL_VND_READ_FRU_STATUS:
2429 return qla2x00_read_fru_status(bsg_job);
2430
2431 case QL_VND_WRITE_FRU_STATUS:
2432 return qla2x00_write_fru_status(bsg_job);
2433
2434 case QL_VND_WRITE_I2C:
2435 return qla2x00_write_i2c(bsg_job);
2436
2437 case QL_VND_READ_I2C:
2438 return qla2x00_read_i2c(bsg_job);
2439
2440 case QL_VND_DIAG_IO_CMD:
2441 return qla24xx_process_bidir_cmd(bsg_job);
2442
2443 case QL_VND_FX00_MGMT_CMD:
2444 return qlafx00_mgmt_cmd(bsg_job);
2445
2446 case QL_VND_SERDES_OP:
2447 return qla26xx_serdes_op(bsg_job);
2448
2449 case QL_VND_SERDES_OP_EX:
2450 return qla8044_serdes_op(bsg_job);
2451
2452 case QL_VND_GET_FLASH_UPDATE_CAPS:
2453 return qla27xx_get_flash_upd_cap(bsg_job);
2454
2455 case QL_VND_SET_FLASH_UPDATE_CAPS:
2456 return qla27xx_set_flash_upd_cap(bsg_job);
2457
2458 case QL_VND_GET_BBCR_DATA:
2459 return qla27xx_get_bbcr_data(bsg_job);
2460
2461 case QL_VND_GET_PRIV_STATS:
2462 case QL_VND_GET_PRIV_STATS_EX:
2463 return qla2x00_get_priv_stats(bsg_job);
2464
2465 case QL_VND_DPORT_DIAGNOSTICS:
2466 return qla2x00_do_dport_diagnostics(bsg_job);
2467
2468 default:
2469 return -ENOSYS;
2470 }
2471 }
2472
2473 int
2474 qla24xx_bsg_request(struct bsg_job *bsg_job)
2475 {
2476 struct fc_bsg_request *bsg_request = bsg_job->request;
2477 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2478 int ret = -EINVAL;
2479 struct fc_rport *rport;
2480 struct Scsi_Host *host;
2481 scsi_qla_host_t *vha;
2482
2483 /* In case no data transferred. */
2484 bsg_reply->reply_payload_rcv_len = 0;
2485
2486 if (bsg_request->msgcode == FC_BSG_RPT_ELS) {
2487 rport = fc_bsg_to_rport(bsg_job);
2488 host = rport_to_shost(rport);
2489 vha = shost_priv(host);
2490 } else {
2491 host = fc_bsg_to_shost(bsg_job);
2492 vha = shost_priv(host);
2493 }
2494
2495 if (qla2x00_reset_active(vha)) {
2496 ql_dbg(ql_dbg_user, vha, 0x709f,
2497 "BSG: ISP abort active/needed -- cmd=%d.\n",
2498 bsg_request->msgcode);
2499 return -EBUSY;
2500 }
2501
2502 ql_dbg(ql_dbg_user, vha, 0x7000,
2503 "Entered %s msgcode=0x%x.\n", __func__, bsg_request->msgcode);
2504
2505 switch (bsg_request->msgcode) {
2506 case FC_BSG_RPT_ELS:
2507 case FC_BSG_HST_ELS_NOLOGIN:
2508 ret = qla2x00_process_els(bsg_job);
2509 break;
2510 case FC_BSG_HST_CT:
2511 ret = qla2x00_process_ct(bsg_job);
2512 break;
2513 case FC_BSG_HST_VENDOR:
2514 ret = qla2x00_process_vendor_specific(bsg_job);
2515 break;
2516 case FC_BSG_HST_ADD_RPORT:
2517 case FC_BSG_HST_DEL_RPORT:
2518 case FC_BSG_RPT_CT:
2519 default:
2520 ql_log(ql_log_warn, vha, 0x705a, "Unsupported BSG request.\n");
2521 break;
2522 }
2523 return ret;
2524 }
2525
2526 int
2527 qla24xx_bsg_timeout(struct bsg_job *bsg_job)
2528 {
2529 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2530 scsi_qla_host_t *vha = shost_priv(fc_bsg_to_shost(bsg_job));
2531 struct qla_hw_data *ha = vha->hw;
2532 srb_t *sp;
2533 int cnt, que;
2534 unsigned long flags;
2535 struct req_que *req;
2536
2537 /* find the bsg job from the active list of commands */
2538 spin_lock_irqsave(&ha->hardware_lock, flags);
2539 for (que = 0; que < ha->max_req_queues; que++) {
2540 req = ha->req_q_map[que];
2541 if (!req)
2542 continue;
2543
2544 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
2545 sp = req->outstanding_cmds[cnt];
2546 if (sp) {
2547 if (((sp->type == SRB_CT_CMD) ||
2548 (sp->type == SRB_ELS_CMD_HST) ||
2549 (sp->type == SRB_FXIOCB_BCMD))
2550 && (sp->u.bsg_job == bsg_job)) {
2551 req->outstanding_cmds[cnt] = NULL;
2552 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2553 if (ha->isp_ops->abort_command(sp)) {
2554 ql_log(ql_log_warn, vha, 0x7089,
2555 "mbx abort_command "
2556 "failed.\n");
2557 scsi_req(bsg_job->req)->result =
2558 bsg_reply->result = -EIO;
2559 } else {
2560 ql_dbg(ql_dbg_user, vha, 0x708a,
2561 "mbx abort_command "
2562 "success.\n");
2563 scsi_req(bsg_job->req)->result =
2564 bsg_reply->result = 0;
2565 }
2566 spin_lock_irqsave(&ha->hardware_lock, flags);
2567 goto done;
2568 }
2569 }
2570 }
2571 }
2572 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2573 ql_log(ql_log_info, vha, 0x708b, "SRB not found to abort.\n");
2574 scsi_req(bsg_job->req)->result = bsg_reply->result = -ENXIO;
2575 return 0;
2576
2577 done:
2578 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2579 sp->free(sp);
2580 return 0;
2581 }
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