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interconnect: qcom: Fix Kconfig indentation
[linux/fpc-iii.git] / drivers / scsi / qla2xxx / qla_bsg.c
blob99f0a1a08143e0864e0ba69718945fe538ffd447
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 qla2x00_bsg_job_done(srb_t *sp, int res)
16 {
17 struct bsg_job *bsg_job = sp->u.bsg_job;
18 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
19
20 bsg_reply->result = res;
21 bsg_job_done(bsg_job, bsg_reply->result,
22 bsg_reply->reply_payload_rcv_len);
23 sp->free(sp);
24 }
25
26 void qla2x00_bsg_sp_free(srb_t *sp)
27 {
28 struct qla_hw_data *ha = sp->vha->hw;
29 struct bsg_job *bsg_job = sp->u.bsg_job;
30 struct fc_bsg_request *bsg_request = bsg_job->request;
31 struct qla_mt_iocb_rqst_fx00 *piocb_rqst;
32
33 if (sp->type == SRB_FXIOCB_BCMD) {
34 piocb_rqst = (struct qla_mt_iocb_rqst_fx00 *)
35 &bsg_request->rqst_data.h_vendor.vendor_cmd[1];
36
37 if (piocb_rqst->flags & SRB_FXDISC_REQ_DMA_VALID)
38 dma_unmap_sg(&ha->pdev->dev,
39 bsg_job->request_payload.sg_list,
40 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
41
42 if (piocb_rqst->flags & SRB_FXDISC_RESP_DMA_VALID)
43 dma_unmap_sg(&ha->pdev->dev,
44 bsg_job->reply_payload.sg_list,
45 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
46 } else {
47 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
48 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
49
50 dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
51 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
52 }
53
54 if (sp->type == SRB_CT_CMD ||
55 sp->type == SRB_FXIOCB_BCMD ||
56 sp->type == SRB_ELS_CMD_HST)
57 kfree(sp->fcport);
58 qla2x00_rel_sp(sp);
59 }
60
61 int
62 qla24xx_fcp_prio_cfg_valid(scsi_qla_host_t *vha,
63 struct qla_fcp_prio_cfg *pri_cfg, uint8_t flag)
64 {
65 int i, ret, num_valid;
66 uint8_t *bcode;
67 struct qla_fcp_prio_entry *pri_entry;
68 uint32_t *bcode_val_ptr, bcode_val;
69
70 ret = 1;
71 num_valid = 0;
72 bcode = (uint8_t *)pri_cfg;
73 bcode_val_ptr = (uint32_t *)pri_cfg;
74 bcode_val = (uint32_t)(*bcode_val_ptr);
75
76 if (bcode_val == 0xFFFFFFFF) {
77 /* No FCP Priority config data in flash */
78 ql_dbg(ql_dbg_user, vha, 0x7051,
79 "No FCP Priority config data.\n");
80 return 0;
81 }
82
83 if (memcmp(bcode, "HQOS", 4)) {
84 /* Invalid FCP priority data header*/
85 ql_dbg(ql_dbg_user, vha, 0x7052,
86 "Invalid FCP Priority data header. bcode=0x%x.\n",
87 bcode_val);
88 return 0;
89 }
90 if (flag != 1)
91 return ret;
92
93 pri_entry = &pri_cfg->entry[0];
94 for (i = 0; i < pri_cfg->num_entries; i++) {
95 if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
96 num_valid++;
97 pri_entry++;
98 }
99
100 if (num_valid == 0) {
101 /* No valid FCP priority data entries */
102 ql_dbg(ql_dbg_user, vha, 0x7053,
103 "No valid FCP Priority data entries.\n");
104 ret = 0;
105 } else {
106 /* FCP priority data is valid */
107 ql_dbg(ql_dbg_user, vha, 0x7054,
108 "Valid FCP priority data. num entries = %d.\n",
109 num_valid);
110 }
111
112 return ret;
113 }
114
115 static int
116 qla24xx_proc_fcp_prio_cfg_cmd(struct bsg_job *bsg_job)
117 {
118 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
119 struct fc_bsg_request *bsg_request = bsg_job->request;
120 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
121 scsi_qla_host_t *vha = shost_priv(host);
122 struct qla_hw_data *ha = vha->hw;
123 int ret = 0;
124 uint32_t len;
125 uint32_t oper;
126
127 if (!(IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha) || IS_P3P_TYPE(ha))) {
128 ret = -EINVAL;
129 goto exit_fcp_prio_cfg;
130 }
131
132 /* Get the sub command */
133 oper = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
134
135 /* Only set config is allowed if config memory is not allocated */
136 if (!ha->fcp_prio_cfg && (oper != QLFC_FCP_PRIO_SET_CONFIG)) {
137 ret = -EINVAL;
138 goto exit_fcp_prio_cfg;
139 }
140 switch (oper) {
141 case QLFC_FCP_PRIO_DISABLE:
142 if (ha->flags.fcp_prio_enabled) {
143 ha->flags.fcp_prio_enabled = 0;
144 ha->fcp_prio_cfg->attributes &=
145 ~FCP_PRIO_ATTR_ENABLE;
146 qla24xx_update_all_fcp_prio(vha);
147 bsg_reply->result = DID_OK;
148 } else {
149 ret = -EINVAL;
150 bsg_reply->result = (DID_ERROR << 16);
151 goto exit_fcp_prio_cfg;
152 }
153 break;
154
155 case QLFC_FCP_PRIO_ENABLE:
156 if (!ha->flags.fcp_prio_enabled) {
157 if (ha->fcp_prio_cfg) {
158 ha->flags.fcp_prio_enabled = 1;
159 ha->fcp_prio_cfg->attributes |=
160 FCP_PRIO_ATTR_ENABLE;
161 qla24xx_update_all_fcp_prio(vha);
162 bsg_reply->result = DID_OK;
163 } else {
164 ret = -EINVAL;
165 bsg_reply->result = (DID_ERROR << 16);
166 goto exit_fcp_prio_cfg;
167 }
168 }
169 break;
170
171 case QLFC_FCP_PRIO_GET_CONFIG:
172 len = bsg_job->reply_payload.payload_len;
173 if (!len || len > FCP_PRIO_CFG_SIZE) {
174 ret = -EINVAL;
175 bsg_reply->result = (DID_ERROR << 16);
176 goto exit_fcp_prio_cfg;
177 }
178
179 bsg_reply->result = DID_OK;
180 bsg_reply->reply_payload_rcv_len =
181 sg_copy_from_buffer(
182 bsg_job->reply_payload.sg_list,
183 bsg_job->reply_payload.sg_cnt, ha->fcp_prio_cfg,
184 len);
185
186 break;
187
188 case QLFC_FCP_PRIO_SET_CONFIG:
189 len = bsg_job->request_payload.payload_len;
190 if (!len || len > FCP_PRIO_CFG_SIZE) {
191 bsg_reply->result = (DID_ERROR << 16);
192 ret = -EINVAL;
193 goto exit_fcp_prio_cfg;
194 }
195
196 if (!ha->fcp_prio_cfg) {
197 ha->fcp_prio_cfg = vmalloc(FCP_PRIO_CFG_SIZE);
198 if (!ha->fcp_prio_cfg) {
199 ql_log(ql_log_warn, vha, 0x7050,
200 "Unable to allocate memory for fcp prio "
201 "config data (%x).\n", FCP_PRIO_CFG_SIZE);
202 bsg_reply->result = (DID_ERROR << 16);
203 ret = -ENOMEM;
204 goto exit_fcp_prio_cfg;
205 }
206 }
207
208 memset(ha->fcp_prio_cfg, 0, FCP_PRIO_CFG_SIZE);
209 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
210 bsg_job->request_payload.sg_cnt, ha->fcp_prio_cfg,
211 FCP_PRIO_CFG_SIZE);
212
213 /* validate fcp priority data */
214
215 if (!qla24xx_fcp_prio_cfg_valid(vha,
216 (struct qla_fcp_prio_cfg *) ha->fcp_prio_cfg, 1)) {
217 bsg_reply->result = (DID_ERROR << 16);
218 ret = -EINVAL;
219 /* If buffer was invalidatic int
220 * fcp_prio_cfg is of no use
221 */
222 vfree(ha->fcp_prio_cfg);
223 ha->fcp_prio_cfg = NULL;
224 goto exit_fcp_prio_cfg;
225 }
226
227 ha->flags.fcp_prio_enabled = 0;
228 if (ha->fcp_prio_cfg->attributes & FCP_PRIO_ATTR_ENABLE)
229 ha->flags.fcp_prio_enabled = 1;
230 qla24xx_update_all_fcp_prio(vha);
231 bsg_reply->result = DID_OK;
232 break;
233 default:
234 ret = -EINVAL;
235 break;
236 }
237 exit_fcp_prio_cfg:
238 if (!ret)
239 bsg_job_done(bsg_job, bsg_reply->result,
240 bsg_reply->reply_payload_rcv_len);
241 return ret;
242 }
243
244 static int
245 qla2x00_process_els(struct bsg_job *bsg_job)
246 {
247 struct fc_bsg_request *bsg_request = bsg_job->request;
248 struct fc_rport *rport;
249 fc_port_t *fcport = NULL;
250 struct Scsi_Host *host;
251 scsi_qla_host_t *vha;
252 struct qla_hw_data *ha;
253 srb_t *sp;
254 const char *type;
255 int req_sg_cnt, rsp_sg_cnt;
256 int rval = (DID_ERROR << 16);
257 uint16_t nextlid = 0;
258
259 if (bsg_request->msgcode == FC_BSG_RPT_ELS) {
260 rport = fc_bsg_to_rport(bsg_job);
261 fcport = *(fc_port_t **) rport->dd_data;
262 host = rport_to_shost(rport);
263 vha = shost_priv(host);
264 ha = vha->hw;
265 type = "FC_BSG_RPT_ELS";
266 } else {
267 host = fc_bsg_to_shost(bsg_job);
268 vha = shost_priv(host);
269 ha = vha->hw;
270 type = "FC_BSG_HST_ELS_NOLOGIN";
271 }
272
273 if (!vha->flags.online) {
274 ql_log(ql_log_warn, vha, 0x7005, "Host not online.\n");
275 rval = -EIO;
276 goto done;
277 }
278
279 /* pass through is supported only for ISP 4Gb or higher */
280 if (!IS_FWI2_CAPABLE(ha)) {
281 ql_dbg(ql_dbg_user, vha, 0x7001,
282 "ELS passthru not supported for ISP23xx based adapters.\n");
283 rval = -EPERM;
284 goto done;
285 }
286
287 /* Multiple SG's are not supported for ELS requests */
288 if (bsg_job->request_payload.sg_cnt > 1 ||
289 bsg_job->reply_payload.sg_cnt > 1) {
290 ql_dbg(ql_dbg_user, vha, 0x7002,
291 "Multiple SG's are not supported for ELS requests, "
292 "request_sg_cnt=%x reply_sg_cnt=%x.\n",
293 bsg_job->request_payload.sg_cnt,
294 bsg_job->reply_payload.sg_cnt);
295 rval = -EPERM;
296 goto done;
297 }
298
299 /* ELS request for rport */
300 if (bsg_request->msgcode == FC_BSG_RPT_ELS) {
301 /* make sure the rport is logged in,
302 * if not perform fabric login
303 */
304 if (qla2x00_fabric_login(vha, fcport, &nextlid)) {
305 ql_dbg(ql_dbg_user, vha, 0x7003,
306 "Failed to login port %06X for ELS passthru.\n",
307 fcport->d_id.b24);
308 rval = -EIO;
309 goto done;
310 }
311 } else {
312 /* Allocate a dummy fcport structure, since functions
313 * preparing the IOCB and mailbox command retrieves port
314 * specific information from fcport structure. For Host based
315 * ELS commands there will be no fcport structure allocated
316 */
317 fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
318 if (!fcport) {
319 rval = -ENOMEM;
320 goto done;
321 }
322
323 /* Initialize all required fields of fcport */
324 fcport->vha = vha;
325 fcport->d_id.b.al_pa =
326 bsg_request->rqst_data.h_els.port_id[0];
327 fcport->d_id.b.area =
328 bsg_request->rqst_data.h_els.port_id[1];
329 fcport->d_id.b.domain =
330 bsg_request->rqst_data.h_els.port_id[2];
331 fcport->loop_id =
332 (fcport->d_id.b.al_pa == 0xFD) ?
333 NPH_FABRIC_CONTROLLER : NPH_F_PORT;
334 }
335
336 req_sg_cnt =
337 dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
338 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
339 if (!req_sg_cnt) {
340 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
341 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
342 rval = -ENOMEM;
343 goto done_free_fcport;
344 }
345
346 rsp_sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
347 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
348 if (!rsp_sg_cnt) {
349 dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
350 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
351 rval = -ENOMEM;
352 goto done_free_fcport;
353 }
354
355 if ((req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
356 (rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
357 ql_log(ql_log_warn, vha, 0x7008,
358 "dma mapping resulted in different sg counts, "
359 "request_sg_cnt: %x dma_request_sg_cnt:%x reply_sg_cnt:%x "
360 "dma_reply_sg_cnt:%x.\n", bsg_job->request_payload.sg_cnt,
361 req_sg_cnt, bsg_job->reply_payload.sg_cnt, rsp_sg_cnt);
362 rval = -EAGAIN;
363 goto done_unmap_sg;
364 }
365
366 /* Alloc SRB structure */
367 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
368 if (!sp) {
369 rval = -ENOMEM;
370 goto done_unmap_sg;
371 }
372
373 sp->type =
374 (bsg_request->msgcode == FC_BSG_RPT_ELS ?
375 SRB_ELS_CMD_RPT : SRB_ELS_CMD_HST);
376 sp->name =
377 (bsg_request->msgcode == FC_BSG_RPT_ELS ?
378 "bsg_els_rpt" : "bsg_els_hst");
379 sp->u.bsg_job = bsg_job;
380 sp->free = qla2x00_bsg_sp_free;
381 sp->done = qla2x00_bsg_job_done;
382
383 ql_dbg(ql_dbg_user, vha, 0x700a,
384 "bsg rqst type: %s els type: %x - loop-id=%x "
385 "portid=%-2x%02x%02x.\n", type,
386 bsg_request->rqst_data.h_els.command_code, fcport->loop_id,
387 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa);
388
389 rval = qla2x00_start_sp(sp);
390 if (rval != QLA_SUCCESS) {
391 ql_log(ql_log_warn, vha, 0x700e,
392 "qla2x00_start_sp failed = %d\n", rval);
393 qla2x00_rel_sp(sp);
394 rval = -EIO;
395 goto done_unmap_sg;
396 }
397 return rval;
398
399 done_unmap_sg:
400 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
401 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
402 dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
403 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
404 goto done_free_fcport;
405
406 done_free_fcport:
407 if (bsg_request->msgcode == FC_BSG_RPT_ELS)
408 kfree(fcport);
409 done:
410 return rval;
411 }
412
413 static inline uint16_t
414 qla24xx_calc_ct_iocbs(uint16_t dsds)
415 {
416 uint16_t iocbs;
417
418 iocbs = 1;
419 if (dsds > 2) {
420 iocbs += (dsds - 2) / 5;
421 if ((dsds - 2) % 5)
422 iocbs++;
423 }
424 return iocbs;
425 }
426
427 static int
428 qla2x00_process_ct(struct bsg_job *bsg_job)
429 {
430 srb_t *sp;
431 struct fc_bsg_request *bsg_request = bsg_job->request;
432 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
433 scsi_qla_host_t *vha = shost_priv(host);
434 struct qla_hw_data *ha = vha->hw;
435 int rval = (DID_ERROR << 16);
436 int req_sg_cnt, rsp_sg_cnt;
437 uint16_t loop_id;
438 struct fc_port *fcport;
439 char *type = "FC_BSG_HST_CT";
440
441 req_sg_cnt =
442 dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
443 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
444 if (!req_sg_cnt) {
445 ql_log(ql_log_warn, vha, 0x700f,
446 "dma_map_sg return %d for request\n", req_sg_cnt);
447 rval = -ENOMEM;
448 goto done;
449 }
450
451 rsp_sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
452 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
453 if (!rsp_sg_cnt) {
454 ql_log(ql_log_warn, vha, 0x7010,
455 "dma_map_sg return %d for reply\n", rsp_sg_cnt);
456 rval = -ENOMEM;
457 goto done;
458 }
459
460 if ((req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
461 (rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
462 ql_log(ql_log_warn, vha, 0x7011,
463 "request_sg_cnt: %x dma_request_sg_cnt: %x reply_sg_cnt:%x "
464 "dma_reply_sg_cnt: %x\n", bsg_job->request_payload.sg_cnt,
465 req_sg_cnt, bsg_job->reply_payload.sg_cnt, rsp_sg_cnt);
466 rval = -EAGAIN;
467 goto done_unmap_sg;
468 }
469
470 if (!vha->flags.online) {
471 ql_log(ql_log_warn, vha, 0x7012,
472 "Host is not online.\n");
473 rval = -EIO;
474 goto done_unmap_sg;
475 }
476
477 loop_id =
478 (bsg_request->rqst_data.h_ct.preamble_word1 & 0xFF000000)
479 >> 24;
480 switch (loop_id) {
481 case 0xFC:
482 loop_id = cpu_to_le16(NPH_SNS);
483 break;
484 case 0xFA:
485 loop_id = vha->mgmt_svr_loop_id;
486 break;
487 default:
488 ql_dbg(ql_dbg_user, vha, 0x7013,
489 "Unknown loop id: %x.\n", loop_id);
490 rval = -EINVAL;
491 goto done_unmap_sg;
492 }
493
494 /* Allocate a dummy fcport structure, since functions preparing the
495 * IOCB and mailbox command retrieves port specific information
496 * from fcport structure. For Host based ELS commands there will be
497 * no fcport structure allocated
498 */
499 fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
500 if (!fcport) {
501 ql_log(ql_log_warn, vha, 0x7014,
502 "Failed to allocate fcport.\n");
503 rval = -ENOMEM;
504 goto done_unmap_sg;
505 }
506
507 /* Initialize all required fields of fcport */
508 fcport->vha = vha;
509 fcport->d_id.b.al_pa = bsg_request->rqst_data.h_ct.port_id[0];
510 fcport->d_id.b.area = bsg_request->rqst_data.h_ct.port_id[1];
511 fcport->d_id.b.domain = bsg_request->rqst_data.h_ct.port_id[2];
512 fcport->loop_id = loop_id;
513
514 /* Alloc SRB structure */
515 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
516 if (!sp) {
517 ql_log(ql_log_warn, vha, 0x7015,
518 "qla2x00_get_sp failed.\n");
519 rval = -ENOMEM;
520 goto done_free_fcport;
521 }
522
523 sp->type = SRB_CT_CMD;
524 sp->name = "bsg_ct";
525 sp->iocbs = qla24xx_calc_ct_iocbs(req_sg_cnt + rsp_sg_cnt);
526 sp->u.bsg_job = bsg_job;
527 sp->free = qla2x00_bsg_sp_free;
528 sp->done = qla2x00_bsg_job_done;
529
530 ql_dbg(ql_dbg_user, vha, 0x7016,
531 "bsg rqst type: %s else type: %x - "
532 "loop-id=%x portid=%02x%02x%02x.\n", type,
533 (bsg_request->rqst_data.h_ct.preamble_word2 >> 16),
534 fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area,
535 fcport->d_id.b.al_pa);
536
537 rval = qla2x00_start_sp(sp);
538 if (rval != QLA_SUCCESS) {
539 ql_log(ql_log_warn, vha, 0x7017,
540 "qla2x00_start_sp failed=%d.\n", rval);
541 qla2x00_rel_sp(sp);
542 rval = -EIO;
543 goto done_free_fcport;
544 }
545 return rval;
546
547 done_free_fcport:
548 kfree(fcport);
549 done_unmap_sg:
550 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
551 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
552 dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
553 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
554 done:
555 return rval;
556 }
557
558 /* Disable loopback mode */
559 static inline int
560 qla81xx_reset_loopback_mode(scsi_qla_host_t *vha, uint16_t *config,
561 int wait, int wait2)
562 {
563 int ret = 0;
564 int rval = 0;
565 uint16_t new_config[4];
566 struct qla_hw_data *ha = vha->hw;
567
568 if (!IS_QLA81XX(ha) && !IS_QLA8031(ha) && !IS_QLA8044(ha))
569 goto done_reset_internal;
570
571 memset(new_config, 0 , sizeof(new_config));
572 if ((config[0] & INTERNAL_LOOPBACK_MASK) >> 1 ==
573 ENABLE_INTERNAL_LOOPBACK ||
574 (config[0] & INTERNAL_LOOPBACK_MASK) >> 1 ==
575 ENABLE_EXTERNAL_LOOPBACK) {
576 new_config[0] = config[0] & ~INTERNAL_LOOPBACK_MASK;
577 ql_dbg(ql_dbg_user, vha, 0x70bf, "new_config[0]=%02x\n",
578 (new_config[0] & INTERNAL_LOOPBACK_MASK));
579 memcpy(&new_config[1], &config[1], sizeof(uint16_t) * 3) ;
580
581 ha->notify_dcbx_comp = wait;
582 ha->notify_lb_portup_comp = wait2;
583
584 ret = qla81xx_set_port_config(vha, new_config);
585 if (ret != QLA_SUCCESS) {
586 ql_log(ql_log_warn, vha, 0x7025,
587 "Set port config failed.\n");
588 ha->notify_dcbx_comp = 0;
589 ha->notify_lb_portup_comp = 0;
590 rval = -EINVAL;
591 goto done_reset_internal;
592 }
593
594 /* Wait for DCBX complete event */
595 if (wait && !wait_for_completion_timeout(&ha->dcbx_comp,
596 (DCBX_COMP_TIMEOUT * HZ))) {
597 ql_dbg(ql_dbg_user, vha, 0x7026,
598 "DCBX completion not received.\n");
599 ha->notify_dcbx_comp = 0;
600 ha->notify_lb_portup_comp = 0;
601 rval = -EINVAL;
602 goto done_reset_internal;
603 } else
604 ql_dbg(ql_dbg_user, vha, 0x7027,
605 "DCBX completion received.\n");
606
607 if (wait2 &&
608 !wait_for_completion_timeout(&ha->lb_portup_comp,
609 (LB_PORTUP_COMP_TIMEOUT * HZ))) {
610 ql_dbg(ql_dbg_user, vha, 0x70c5,
611 "Port up completion not received.\n");
612 ha->notify_lb_portup_comp = 0;
613 rval = -EINVAL;
614 goto done_reset_internal;
615 } else
616 ql_dbg(ql_dbg_user, vha, 0x70c6,
617 "Port up completion received.\n");
618
619 ha->notify_dcbx_comp = 0;
620 ha->notify_lb_portup_comp = 0;
621 }
622 done_reset_internal:
623 return rval;
624 }
625
626 /*
627 * Set the port configuration to enable the internal or external loopback
628 * depending on the loopback mode.
629 */
630 static inline int
631 qla81xx_set_loopback_mode(scsi_qla_host_t *vha, uint16_t *config,
632 uint16_t *new_config, uint16_t mode)
633 {
634 int ret = 0;
635 int rval = 0;
636 unsigned long rem_tmo = 0, current_tmo = 0;
637 struct qla_hw_data *ha = vha->hw;
638
639 if (!IS_QLA81XX(ha) && !IS_QLA8031(ha) && !IS_QLA8044(ha))
640 goto done_set_internal;
641
642 if (mode == INTERNAL_LOOPBACK)
643 new_config[0] = config[0] | (ENABLE_INTERNAL_LOOPBACK << 1);
644 else if (mode == EXTERNAL_LOOPBACK)
645 new_config[0] = config[0] | (ENABLE_EXTERNAL_LOOPBACK << 1);
646 ql_dbg(ql_dbg_user, vha, 0x70be,
647 "new_config[0]=%02x\n", (new_config[0] & INTERNAL_LOOPBACK_MASK));
648
649 memcpy(&new_config[1], &config[1], sizeof(uint16_t) * 3);
650
651 ha->notify_dcbx_comp = 1;
652 ret = qla81xx_set_port_config(vha, new_config);
653 if (ret != QLA_SUCCESS) {
654 ql_log(ql_log_warn, vha, 0x7021,
655 "set port config failed.\n");
656 ha->notify_dcbx_comp = 0;
657 rval = -EINVAL;
658 goto done_set_internal;
659 }
660
661 /* Wait for DCBX complete event */
662 current_tmo = DCBX_COMP_TIMEOUT * HZ;
663 while (1) {
664 rem_tmo = wait_for_completion_timeout(&ha->dcbx_comp,
665 current_tmo);
666 if (!ha->idc_extend_tmo || rem_tmo) {
667 ha->idc_extend_tmo = 0;
668 break;
669 }
670 current_tmo = ha->idc_extend_tmo * HZ;
671 ha->idc_extend_tmo = 0;
672 }
673
674 if (!rem_tmo) {
675 ql_dbg(ql_dbg_user, vha, 0x7022,
676 "DCBX completion not received.\n");
677 ret = qla81xx_reset_loopback_mode(vha, new_config, 0, 0);
678 /*
679 * If the reset of the loopback mode doesn't work take a FCoE
680 * dump and reset the chip.
681 */
682 if (ret) {
683 ha->isp_ops->fw_dump(vha, 0);
684 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
685 }
686 rval = -EINVAL;
687 } else {
688 if (ha->flags.idc_compl_status) {
689 ql_dbg(ql_dbg_user, vha, 0x70c3,
690 "Bad status in IDC Completion AEN\n");
691 rval = -EINVAL;
692 ha->flags.idc_compl_status = 0;
693 } else
694 ql_dbg(ql_dbg_user, vha, 0x7023,
695 "DCBX completion received.\n");
696 }
697
698 ha->notify_dcbx_comp = 0;
699 ha->idc_extend_tmo = 0;
700
701 done_set_internal:
702 return rval;
703 }
704
705 static int
706 qla2x00_process_loopback(struct bsg_job *bsg_job)
707 {
708 struct fc_bsg_request *bsg_request = bsg_job->request;
709 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
710 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
711 scsi_qla_host_t *vha = shost_priv(host);
712 struct qla_hw_data *ha = vha->hw;
713 int rval;
714 uint8_t command_sent;
715 char *type;
716 struct msg_echo_lb elreq;
717 uint16_t response[MAILBOX_REGISTER_COUNT];
718 uint16_t config[4], new_config[4];
719 uint8_t *fw_sts_ptr;
720 uint8_t *req_data = NULL;
721 dma_addr_t req_data_dma;
722 uint32_t req_data_len;
723 uint8_t *rsp_data = NULL;
724 dma_addr_t rsp_data_dma;
725 uint32_t rsp_data_len;
726
727 if (!vha->flags.online) {
728 ql_log(ql_log_warn, vha, 0x7019, "Host is not online.\n");
729 return -EIO;
730 }
731
732 memset(&elreq, 0, sizeof(elreq));
733
734 elreq.req_sg_cnt = dma_map_sg(&ha->pdev->dev,
735 bsg_job->request_payload.sg_list, bsg_job->request_payload.sg_cnt,
736 DMA_TO_DEVICE);
737
738 if (!elreq.req_sg_cnt) {
739 ql_log(ql_log_warn, vha, 0x701a,
740 "dma_map_sg returned %d for request.\n", elreq.req_sg_cnt);
741 return -ENOMEM;
742 }
743
744 elreq.rsp_sg_cnt = dma_map_sg(&ha->pdev->dev,
745 bsg_job->reply_payload.sg_list, bsg_job->reply_payload.sg_cnt,
746 DMA_FROM_DEVICE);
747
748 if (!elreq.rsp_sg_cnt) {
749 ql_log(ql_log_warn, vha, 0x701b,
750 "dma_map_sg returned %d for reply.\n", elreq.rsp_sg_cnt);
751 rval = -ENOMEM;
752 goto done_unmap_req_sg;
753 }
754
755 if ((elreq.req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
756 (elreq.rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
757 ql_log(ql_log_warn, vha, 0x701c,
758 "dma mapping resulted in different sg counts, "
759 "request_sg_cnt: %x dma_request_sg_cnt: %x "
760 "reply_sg_cnt: %x dma_reply_sg_cnt: %x.\n",
761 bsg_job->request_payload.sg_cnt, elreq.req_sg_cnt,
762 bsg_job->reply_payload.sg_cnt, elreq.rsp_sg_cnt);
763 rval = -EAGAIN;
764 goto done_unmap_sg;
765 }
766 req_data_len = rsp_data_len = bsg_job->request_payload.payload_len;
767 req_data = dma_alloc_coherent(&ha->pdev->dev, req_data_len,
768 &req_data_dma, GFP_KERNEL);
769 if (!req_data) {
770 ql_log(ql_log_warn, vha, 0x701d,
771 "dma alloc failed for req_data.\n");
772 rval = -ENOMEM;
773 goto done_unmap_sg;
774 }
775
776 rsp_data = dma_alloc_coherent(&ha->pdev->dev, rsp_data_len,
777 &rsp_data_dma, GFP_KERNEL);
778 if (!rsp_data) {
779 ql_log(ql_log_warn, vha, 0x7004,
780 "dma alloc failed for rsp_data.\n");
781 rval = -ENOMEM;
782 goto done_free_dma_req;
783 }
784
785 /* Copy the request buffer in req_data now */
786 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
787 bsg_job->request_payload.sg_cnt, req_data, req_data_len);
788
789 elreq.send_dma = req_data_dma;
790 elreq.rcv_dma = rsp_data_dma;
791 elreq.transfer_size = req_data_len;
792
793 elreq.options = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
794 elreq.iteration_count =
795 bsg_request->rqst_data.h_vendor.vendor_cmd[2];
796
797 if (atomic_read(&vha->loop_state) == LOOP_READY &&
798 (ha->current_topology == ISP_CFG_F ||
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 = bsg_job->reply + sizeof(struct fc_bsg_reply);
922 memcpy(bsg_job->reply + sizeof(struct fc_bsg_reply), response,
923 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_zalloc(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 = get_unaligned_le32((uint32_t *)fw_buf + 2);
1047
1048 mn->entry_type = VERIFY_CHIP_IOCB_TYPE;
1049 mn->entry_count = 1;
1050
1051 options = VCO_FORCE_UPDATE | VCO_END_OF_DATA;
1052 if (flag == A84_ISSUE_UPDATE_DIAGFW_CMD)
1053 options |= VCO_DIAG_FW;
1054
1055 mn->options = cpu_to_le16(options);
1056 mn->fw_ver = cpu_to_le32(fw_ver);
1057 mn->fw_size = cpu_to_le32(data_len);
1058 mn->fw_seq_size = cpu_to_le32(data_len);
1059 put_unaligned_le64(fw_dma, &mn->dsd.address);
1060 mn->dsd.length = cpu_to_le32(data_len);
1061 mn->data_seg_cnt = cpu_to_le16(1);
1062
1063 rval = qla2x00_issue_iocb_timeout(vha, mn, mn_dma, 0, 120);
1064
1065 if (rval) {
1066 ql_log(ql_log_warn, vha, 0x7037,
1067 "Vendor request 84xx updatefw failed.\n");
1068
1069 rval = (DID_ERROR << 16);
1070 } else {
1071 ql_dbg(ql_dbg_user, vha, 0x7038,
1072 "Vendor request 84xx updatefw completed.\n");
1073
1074 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1075 bsg_reply->result = DID_OK;
1076 }
1077
1078 dma_pool_free(ha->s_dma_pool, mn, mn_dma);
1079
1080 done_free_fw_buf:
1081 dma_free_coherent(&ha->pdev->dev, data_len, fw_buf, fw_dma);
1082
1083 done_unmap_sg:
1084 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
1085 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1086
1087 if (!rval)
1088 bsg_job_done(bsg_job, bsg_reply->result,
1089 bsg_reply->reply_payload_rcv_len);
1090 return rval;
1091 }
1092
1093 static int
1094 qla84xx_mgmt_cmd(struct bsg_job *bsg_job)
1095 {
1096 struct fc_bsg_request *bsg_request = bsg_job->request;
1097 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1098 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1099 scsi_qla_host_t *vha = shost_priv(host);
1100 struct qla_hw_data *ha = vha->hw;
1101 struct access_chip_84xx *mn = NULL;
1102 dma_addr_t mn_dma, mgmt_dma;
1103 void *mgmt_b = NULL;
1104 int rval = 0;
1105 struct qla_bsg_a84_mgmt *ql84_mgmt;
1106 uint32_t sg_cnt;
1107 uint32_t data_len = 0;
1108 uint32_t dma_direction = DMA_NONE;
1109
1110 if (!IS_QLA84XX(ha)) {
1111 ql_log(ql_log_warn, vha, 0x703a,
1112 "Not 84xx, exiting.\n");
1113 return -EINVAL;
1114 }
1115
1116 mn = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL, &mn_dma);
1117 if (!mn) {
1118 ql_log(ql_log_warn, vha, 0x703c,
1119 "DMA alloc failed for fw buffer.\n");
1120 return -ENOMEM;
1121 }
1122
1123 mn->entry_type = ACCESS_CHIP_IOCB_TYPE;
1124 mn->entry_count = 1;
1125 ql84_mgmt = (void *)bsg_request + sizeof(struct fc_bsg_request);
1126 switch (ql84_mgmt->mgmt.cmd) {
1127 case QLA84_MGMT_READ_MEM:
1128 case QLA84_MGMT_GET_INFO:
1129 sg_cnt = dma_map_sg(&ha->pdev->dev,
1130 bsg_job->reply_payload.sg_list,
1131 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
1132 if (!sg_cnt) {
1133 ql_log(ql_log_warn, vha, 0x703d,
1134 "dma_map_sg returned %d for reply.\n", sg_cnt);
1135 rval = -ENOMEM;
1136 goto exit_mgmt;
1137 }
1138
1139 dma_direction = DMA_FROM_DEVICE;
1140
1141 if (sg_cnt != bsg_job->reply_payload.sg_cnt) {
1142 ql_log(ql_log_warn, vha, 0x703e,
1143 "DMA mapping resulted in different sg counts, "
1144 "reply_sg_cnt: %x dma_reply_sg_cnt: %x.\n",
1145 bsg_job->reply_payload.sg_cnt, sg_cnt);
1146 rval = -EAGAIN;
1147 goto done_unmap_sg;
1148 }
1149
1150 data_len = bsg_job->reply_payload.payload_len;
1151
1152 mgmt_b = dma_alloc_coherent(&ha->pdev->dev, data_len,
1153 &mgmt_dma, GFP_KERNEL);
1154 if (!mgmt_b) {
1155 ql_log(ql_log_warn, vha, 0x703f,
1156 "DMA alloc failed for mgmt_b.\n");
1157 rval = -ENOMEM;
1158 goto done_unmap_sg;
1159 }
1160
1161 if (ql84_mgmt->mgmt.cmd == QLA84_MGMT_READ_MEM) {
1162 mn->options = cpu_to_le16(ACO_DUMP_MEMORY);
1163 mn->parameter1 =
1164 cpu_to_le32(
1165 ql84_mgmt->mgmt.mgmtp.u.mem.start_addr);
1166
1167 } else if (ql84_mgmt->mgmt.cmd == QLA84_MGMT_GET_INFO) {
1168 mn->options = cpu_to_le16(ACO_REQUEST_INFO);
1169 mn->parameter1 =
1170 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.info.type);
1171
1172 mn->parameter2 =
1173 cpu_to_le32(
1174 ql84_mgmt->mgmt.mgmtp.u.info.context);
1175 }
1176 break;
1177
1178 case QLA84_MGMT_WRITE_MEM:
1179 sg_cnt = dma_map_sg(&ha->pdev->dev,
1180 bsg_job->request_payload.sg_list,
1181 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1182
1183 if (!sg_cnt) {
1184 ql_log(ql_log_warn, vha, 0x7040,
1185 "dma_map_sg returned %d.\n", sg_cnt);
1186 rval = -ENOMEM;
1187 goto exit_mgmt;
1188 }
1189
1190 dma_direction = DMA_TO_DEVICE;
1191
1192 if (sg_cnt != bsg_job->request_payload.sg_cnt) {
1193 ql_log(ql_log_warn, vha, 0x7041,
1194 "DMA mapping resulted in different sg counts, "
1195 "request_sg_cnt: %x dma_request_sg_cnt: %x.\n",
1196 bsg_job->request_payload.sg_cnt, sg_cnt);
1197 rval = -EAGAIN;
1198 goto done_unmap_sg;
1199 }
1200
1201 data_len = bsg_job->request_payload.payload_len;
1202 mgmt_b = dma_alloc_coherent(&ha->pdev->dev, data_len,
1203 &mgmt_dma, GFP_KERNEL);
1204 if (!mgmt_b) {
1205 ql_log(ql_log_warn, vha, 0x7042,
1206 "DMA alloc failed for mgmt_b.\n");
1207 rval = -ENOMEM;
1208 goto done_unmap_sg;
1209 }
1210
1211 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1212 bsg_job->request_payload.sg_cnt, mgmt_b, data_len);
1213
1214 mn->options = cpu_to_le16(ACO_LOAD_MEMORY);
1215 mn->parameter1 =
1216 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.mem.start_addr);
1217 break;
1218
1219 case QLA84_MGMT_CHNG_CONFIG:
1220 mn->options = cpu_to_le16(ACO_CHANGE_CONFIG_PARAM);
1221 mn->parameter1 =
1222 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.id);
1223
1224 mn->parameter2 =
1225 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.param0);
1226
1227 mn->parameter3 =
1228 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.param1);
1229 break;
1230
1231 default:
1232 rval = -EIO;
1233 goto exit_mgmt;
1234 }
1235
1236 if (ql84_mgmt->mgmt.cmd != QLA84_MGMT_CHNG_CONFIG) {
1237 mn->total_byte_cnt = cpu_to_le32(ql84_mgmt->mgmt.len);
1238 mn->dseg_count = cpu_to_le16(1);
1239 put_unaligned_le64(mgmt_dma, &mn->dsd.address);
1240 mn->dsd.length = cpu_to_le32(ql84_mgmt->mgmt.len);
1241 }
1242
1243 rval = qla2x00_issue_iocb(vha, mn, mn_dma, 0);
1244
1245 if (rval) {
1246 ql_log(ql_log_warn, vha, 0x7043,
1247 "Vendor request 84xx mgmt failed.\n");
1248
1249 rval = (DID_ERROR << 16);
1250
1251 } else {
1252 ql_dbg(ql_dbg_user, vha, 0x7044,
1253 "Vendor request 84xx mgmt completed.\n");
1254
1255 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1256 bsg_reply->result = DID_OK;
1257
1258 if ((ql84_mgmt->mgmt.cmd == QLA84_MGMT_READ_MEM) ||
1259 (ql84_mgmt->mgmt.cmd == QLA84_MGMT_GET_INFO)) {
1260 bsg_reply->reply_payload_rcv_len =
1261 bsg_job->reply_payload.payload_len;
1262
1263 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1264 bsg_job->reply_payload.sg_cnt, mgmt_b,
1265 data_len);
1266 }
1267 }
1268
1269 done_unmap_sg:
1270 if (mgmt_b)
1271 dma_free_coherent(&ha->pdev->dev, data_len, mgmt_b, mgmt_dma);
1272
1273 if (dma_direction == DMA_TO_DEVICE)
1274 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
1275 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1276 else if (dma_direction == DMA_FROM_DEVICE)
1277 dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
1278 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
1279
1280 exit_mgmt:
1281 dma_pool_free(ha->s_dma_pool, mn, mn_dma);
1282
1283 if (!rval)
1284 bsg_job_done(bsg_job, bsg_reply->result,
1285 bsg_reply->reply_payload_rcv_len);
1286 return rval;
1287 }
1288
1289 static int
1290 qla24xx_iidma(struct bsg_job *bsg_job)
1291 {
1292 struct fc_bsg_request *bsg_request = bsg_job->request;
1293 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1294 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1295 scsi_qla_host_t *vha = shost_priv(host);
1296 int rval = 0;
1297 struct qla_port_param *port_param = NULL;
1298 fc_port_t *fcport = NULL;
1299 int found = 0;
1300 uint16_t mb[MAILBOX_REGISTER_COUNT];
1301 uint8_t *rsp_ptr = NULL;
1302
1303 if (!IS_IIDMA_CAPABLE(vha->hw)) {
1304 ql_log(ql_log_info, vha, 0x7046, "iiDMA not supported.\n");
1305 return -EINVAL;
1306 }
1307
1308 port_param = (void *)bsg_request + sizeof(struct fc_bsg_request);
1309 if (port_param->fc_scsi_addr.dest_type != EXT_DEF_TYPE_WWPN) {
1310 ql_log(ql_log_warn, vha, 0x7048,
1311 "Invalid destination type.\n");
1312 return -EINVAL;
1313 }
1314
1315 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1316 if (fcport->port_type != FCT_TARGET)
1317 continue;
1318
1319 if (memcmp(port_param->fc_scsi_addr.dest_addr.wwpn,
1320 fcport->port_name, sizeof(fcport->port_name)))
1321 continue;
1322
1323 found = 1;
1324 break;
1325 }
1326
1327 if (!found) {
1328 ql_log(ql_log_warn, vha, 0x7049,
1329 "Failed to find port.\n");
1330 return -EINVAL;
1331 }
1332
1333 if (atomic_read(&fcport->state) != FCS_ONLINE) {
1334 ql_log(ql_log_warn, vha, 0x704a,
1335 "Port is not online.\n");
1336 return -EINVAL;
1337 }
1338
1339 if (fcport->flags & FCF_LOGIN_NEEDED) {
1340 ql_log(ql_log_warn, vha, 0x704b,
1341 "Remote port not logged in flags = 0x%x.\n", fcport->flags);
1342 return -EINVAL;
1343 }
1344
1345 if (port_param->mode)
1346 rval = qla2x00_set_idma_speed(vha, fcport->loop_id,
1347 port_param->speed, mb);
1348 else
1349 rval = qla2x00_get_idma_speed(vha, fcport->loop_id,
1350 &port_param->speed, mb);
1351
1352 if (rval) {
1353 ql_log(ql_log_warn, vha, 0x704c,
1354 "iiDMA cmd failed for %8phN -- "
1355 "%04x %x %04x %04x.\n", fcport->port_name,
1356 rval, fcport->fp_speed, mb[0], mb[1]);
1357 rval = (DID_ERROR << 16);
1358 } else {
1359 if (!port_param->mode) {
1360 bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
1361 sizeof(struct qla_port_param);
1362
1363 rsp_ptr = ((uint8_t *)bsg_reply) +
1364 sizeof(struct fc_bsg_reply);
1365
1366 memcpy(rsp_ptr, port_param,
1367 sizeof(struct qla_port_param));
1368 }
1369
1370 bsg_reply->result = DID_OK;
1371 bsg_job_done(bsg_job, bsg_reply->result,
1372 bsg_reply->reply_payload_rcv_len);
1373 }
1374
1375 return rval;
1376 }
1377
1378 static int
1379 qla2x00_optrom_setup(struct bsg_job *bsg_job, scsi_qla_host_t *vha,
1380 uint8_t is_update)
1381 {
1382 struct fc_bsg_request *bsg_request = bsg_job->request;
1383 uint32_t start = 0;
1384 int valid = 0;
1385 struct qla_hw_data *ha = vha->hw;
1386
1387 if (unlikely(pci_channel_offline(ha->pdev)))
1388 return -EINVAL;
1389
1390 start = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
1391 if (start > ha->optrom_size) {
1392 ql_log(ql_log_warn, vha, 0x7055,
1393 "start %d > optrom_size %d.\n", start, ha->optrom_size);
1394 return -EINVAL;
1395 }
1396
1397 if (ha->optrom_state != QLA_SWAITING) {
1398 ql_log(ql_log_info, vha, 0x7056,
1399 "optrom_state %d.\n", ha->optrom_state);
1400 return -EBUSY;
1401 }
1402
1403 ha->optrom_region_start = start;
1404 ql_dbg(ql_dbg_user, vha, 0x7057, "is_update=%d.\n", is_update);
1405 if (is_update) {
1406 if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0)
1407 valid = 1;
1408 else if (start == (ha->flt_region_boot * 4) ||
1409 start == (ha->flt_region_fw * 4))
1410 valid = 1;
1411 else if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha) ||
1412 IS_CNA_CAPABLE(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha) ||
1413 IS_QLA28XX(ha))
1414 valid = 1;
1415 if (!valid) {
1416 ql_log(ql_log_warn, vha, 0x7058,
1417 "Invalid start region 0x%x/0x%x.\n", start,
1418 bsg_job->request_payload.payload_len);
1419 return -EINVAL;
1420 }
1421
1422 ha->optrom_region_size = start +
1423 bsg_job->request_payload.payload_len > ha->optrom_size ?
1424 ha->optrom_size - start :
1425 bsg_job->request_payload.payload_len;
1426 ha->optrom_state = QLA_SWRITING;
1427 } else {
1428 ha->optrom_region_size = start +
1429 bsg_job->reply_payload.payload_len > ha->optrom_size ?
1430 ha->optrom_size - start :
1431 bsg_job->reply_payload.payload_len;
1432 ha->optrom_state = QLA_SREADING;
1433 }
1434
1435 ha->optrom_buffer = vzalloc(ha->optrom_region_size);
1436 if (!ha->optrom_buffer) {
1437 ql_log(ql_log_warn, vha, 0x7059,
1438 "Read: Unable to allocate memory for optrom retrieval "
1439 "(%x)\n", ha->optrom_region_size);
1440
1441 ha->optrom_state = QLA_SWAITING;
1442 return -ENOMEM;
1443 }
1444
1445 return 0;
1446 }
1447
1448 static int
1449 qla2x00_read_optrom(struct bsg_job *bsg_job)
1450 {
1451 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1452 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1453 scsi_qla_host_t *vha = shost_priv(host);
1454 struct qla_hw_data *ha = vha->hw;
1455 int rval = 0;
1456
1457 if (ha->flags.nic_core_reset_hdlr_active)
1458 return -EBUSY;
1459
1460 mutex_lock(&ha->optrom_mutex);
1461 rval = qla2x00_optrom_setup(bsg_job, vha, 0);
1462 if (rval) {
1463 mutex_unlock(&ha->optrom_mutex);
1464 return rval;
1465 }
1466
1467 ha->isp_ops->read_optrom(vha, ha->optrom_buffer,
1468 ha->optrom_region_start, ha->optrom_region_size);
1469
1470 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1471 bsg_job->reply_payload.sg_cnt, ha->optrom_buffer,
1472 ha->optrom_region_size);
1473
1474 bsg_reply->reply_payload_rcv_len = ha->optrom_region_size;
1475 bsg_reply->result = DID_OK;
1476 vfree(ha->optrom_buffer);
1477 ha->optrom_buffer = NULL;
1478 ha->optrom_state = QLA_SWAITING;
1479 mutex_unlock(&ha->optrom_mutex);
1480 bsg_job_done(bsg_job, bsg_reply->result,
1481 bsg_reply->reply_payload_rcv_len);
1482 return rval;
1483 }
1484
1485 static int
1486 qla2x00_update_optrom(struct bsg_job *bsg_job)
1487 {
1488 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1489 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1490 scsi_qla_host_t *vha = shost_priv(host);
1491 struct qla_hw_data *ha = vha->hw;
1492 int rval = 0;
1493
1494 mutex_lock(&ha->optrom_mutex);
1495 rval = qla2x00_optrom_setup(bsg_job, vha, 1);
1496 if (rval) {
1497 mutex_unlock(&ha->optrom_mutex);
1498 return rval;
1499 }
1500
1501 /* Set the isp82xx_no_md_cap not to capture minidump */
1502 ha->flags.isp82xx_no_md_cap = 1;
1503
1504 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1505 bsg_job->request_payload.sg_cnt, ha->optrom_buffer,
1506 ha->optrom_region_size);
1507
1508 ha->isp_ops->write_optrom(vha, ha->optrom_buffer,
1509 ha->optrom_region_start, ha->optrom_region_size);
1510
1511 bsg_reply->result = DID_OK;
1512 vfree(ha->optrom_buffer);
1513 ha->optrom_buffer = NULL;
1514 ha->optrom_state = QLA_SWAITING;
1515 mutex_unlock(&ha->optrom_mutex);
1516 bsg_job_done(bsg_job, bsg_reply->result,
1517 bsg_reply->reply_payload_rcv_len);
1518 return rval;
1519 }
1520
1521 static int
1522 qla2x00_update_fru_versions(struct bsg_job *bsg_job)
1523 {
1524 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1525 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1526 scsi_qla_host_t *vha = shost_priv(host);
1527 struct qla_hw_data *ha = vha->hw;
1528 int rval = 0;
1529 uint8_t bsg[DMA_POOL_SIZE];
1530 struct qla_image_version_list *list = (void *)bsg;
1531 struct qla_image_version *image;
1532 uint32_t count;
1533 dma_addr_t sfp_dma;
1534 void *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1535
1536 if (!sfp) {
1537 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1538 EXT_STATUS_NO_MEMORY;
1539 goto done;
1540 }
1541
1542 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1543 bsg_job->request_payload.sg_cnt, list, sizeof(bsg));
1544
1545 image = list->version;
1546 count = list->count;
1547 while (count--) {
1548 memcpy(sfp, &image->field_info, sizeof(image->field_info));
1549 rval = qla2x00_write_sfp(vha, sfp_dma, sfp,
1550 image->field_address.device, image->field_address.offset,
1551 sizeof(image->field_info), image->field_address.option);
1552 if (rval) {
1553 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1554 EXT_STATUS_MAILBOX;
1555 goto dealloc;
1556 }
1557 image++;
1558 }
1559
1560 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1561
1562 dealloc:
1563 dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1564
1565 done:
1566 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1567 bsg_reply->result = DID_OK << 16;
1568 bsg_job_done(bsg_job, bsg_reply->result,
1569 bsg_reply->reply_payload_rcv_len);
1570
1571 return 0;
1572 }
1573
1574 static int
1575 qla2x00_read_fru_status(struct bsg_job *bsg_job)
1576 {
1577 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1578 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1579 scsi_qla_host_t *vha = shost_priv(host);
1580 struct qla_hw_data *ha = vha->hw;
1581 int rval = 0;
1582 uint8_t bsg[DMA_POOL_SIZE];
1583 struct qla_status_reg *sr = (void *)bsg;
1584 dma_addr_t sfp_dma;
1585 uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1586
1587 if (!sfp) {
1588 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1589 EXT_STATUS_NO_MEMORY;
1590 goto done;
1591 }
1592
1593 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1594 bsg_job->request_payload.sg_cnt, sr, sizeof(*sr));
1595
1596 rval = qla2x00_read_sfp(vha, sfp_dma, sfp,
1597 sr->field_address.device, sr->field_address.offset,
1598 sizeof(sr->status_reg), sr->field_address.option);
1599 sr->status_reg = *sfp;
1600
1601 if (rval) {
1602 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1603 EXT_STATUS_MAILBOX;
1604 goto dealloc;
1605 }
1606
1607 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1608 bsg_job->reply_payload.sg_cnt, sr, sizeof(*sr));
1609
1610 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1611
1612 dealloc:
1613 dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1614
1615 done:
1616 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1617 bsg_reply->reply_payload_rcv_len = sizeof(*sr);
1618 bsg_reply->result = DID_OK << 16;
1619 bsg_job_done(bsg_job, bsg_reply->result,
1620 bsg_reply->reply_payload_rcv_len);
1621
1622 return 0;
1623 }
1624
1625 static int
1626 qla2x00_write_fru_status(struct bsg_job *bsg_job)
1627 {
1628 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1629 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1630 scsi_qla_host_t *vha = shost_priv(host);
1631 struct qla_hw_data *ha = vha->hw;
1632 int rval = 0;
1633 uint8_t bsg[DMA_POOL_SIZE];
1634 struct qla_status_reg *sr = (void *)bsg;
1635 dma_addr_t sfp_dma;
1636 uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1637
1638 if (!sfp) {
1639 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1640 EXT_STATUS_NO_MEMORY;
1641 goto done;
1642 }
1643
1644 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1645 bsg_job->request_payload.sg_cnt, sr, sizeof(*sr));
1646
1647 *sfp = sr->status_reg;
1648 rval = qla2x00_write_sfp(vha, sfp_dma, sfp,
1649 sr->field_address.device, sr->field_address.offset,
1650 sizeof(sr->status_reg), sr->field_address.option);
1651
1652 if (rval) {
1653 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
1654 EXT_STATUS_MAILBOX;
1655 goto dealloc;
1656 }
1657
1658 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1659
1660 dealloc:
1661 dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1662
1663 done:
1664 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1665 bsg_reply->result = DID_OK << 16;
1666 bsg_job_done(bsg_job, bsg_reply->result,
1667 bsg_reply->reply_payload_rcv_len);
1668
1669 return 0;
1670 }
1671
1672 static int
1673 qla2x00_write_i2c(struct bsg_job *bsg_job)
1674 {
1675 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
1676 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
1677 scsi_qla_host_t *vha = shost_priv(host);
1678 struct qla_hw_data *ha = vha->hw;
1679 int rval = 0;
1680 uint8_t bsg[DMA_POOL_SIZE];
1681 struct qla_i2c_access *i2c = (void *)bsg;
1682 dma_addr_t sfp_dma;
1683 uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1684
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
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;
1782 uint32_t rsp_data_len;
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 req_data_len = bsg_job->request_payload.payload_len;
1888 rsp_data_len = bsg_job->reply_payload.payload_len;
1889
1890 if (req_data_len != rsp_data_len) {
1891 rval = EXT_STATUS_BUSY;
1892 ql_log(ql_log_warn, vha, 0x70aa,
1893 "req_data_len != rsp_data_len\n");
1894 goto done_unmap_sg;
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 = (DID_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 piocb_rqst, sizeof(*piocb_rqst));
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, 0x7020,
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)) && !IS_QLA28XX(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) && !IS_QLA28XX(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) && !IS_QLA28XX(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, sizeof(*stats), &stats_dma,
2318 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 rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma, options);
2326
2327 if (rval == QLA_SUCCESS) {
2328 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose, vha, 0x70e5,
2329 stats, sizeof(*stats));
2330 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
2331 bsg_job->reply_payload.sg_cnt, stats, sizeof(*stats));
2332 }
2333
2334 bsg_reply->reply_payload_rcv_len = sizeof(*stats);
2335 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
2336 rval ? EXT_STATUS_MAILBOX : EXT_STATUS_OK;
2337
2338 bsg_job->reply_len = sizeof(*bsg_reply);
2339 bsg_reply->result = DID_OK << 16;
2340 bsg_job_done(bsg_job, bsg_reply->result,
2341 bsg_reply->reply_payload_rcv_len);
2342
2343 dma_free_coherent(&ha->pdev->dev, sizeof(*stats),
2344 stats, stats_dma);
2345
2346 return 0;
2347 }
2348
2349 static int
2350 qla2x00_do_dport_diagnostics(struct bsg_job *bsg_job)
2351 {
2352 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2353 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job);
2354 scsi_qla_host_t *vha = shost_priv(host);
2355 int rval;
2356 struct qla_dport_diag *dd;
2357
2358 if (!IS_QLA83XX(vha->hw) && !IS_QLA27XX(vha->hw) &&
2359 !IS_QLA28XX(vha->hw))
2360 return -EPERM;
2361
2362 dd = kmalloc(sizeof(*dd), GFP_KERNEL);
2363 if (!dd) {
2364 ql_log(ql_log_warn, vha, 0x70db,
2365 "Failed to allocate memory for dport.\n");
2366 return -ENOMEM;
2367 }
2368
2369 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
2370 bsg_job->request_payload.sg_cnt, dd, sizeof(*dd));
2371
2372 rval = qla26xx_dport_diagnostics(
2373 vha, dd->buf, sizeof(dd->buf), dd->options);
2374 if (rval == QLA_SUCCESS) {
2375 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
2376 bsg_job->reply_payload.sg_cnt, dd, sizeof(*dd));
2377 }
2378
2379 bsg_reply->reply_payload_rcv_len = sizeof(*dd);
2380 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] =
2381 rval ? EXT_STATUS_MAILBOX : EXT_STATUS_OK;
2382
2383 bsg_job->reply_len = sizeof(*bsg_reply);
2384 bsg_reply->result = DID_OK << 16;
2385 bsg_job_done(bsg_job, bsg_reply->result,
2386 bsg_reply->reply_payload_rcv_len);
2387
2388 kfree(dd);
2389
2390 return 0;
2391 }
2392
2393 static int
2394 qla2x00_get_flash_image_status(struct bsg_job *bsg_job)
2395 {
2396 scsi_qla_host_t *vha = shost_priv(fc_bsg_to_shost(bsg_job));
2397 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2398 struct qla_hw_data *ha = vha->hw;
2399 struct qla_active_regions regions = { };
2400 struct active_regions active_regions = { };
2401
2402 qla28xx_get_aux_images(vha, &active_regions);
2403 regions.global_image = active_regions.global;
2404
2405 if (IS_QLA28XX(ha)) {
2406 qla27xx_get_active_image(vha, &active_regions);
2407 regions.board_config = active_regions.aux.board_config;
2408 regions.vpd_nvram = active_regions.aux.vpd_nvram;
2409 regions.npiv_config_0_1 = active_regions.aux.npiv_config_0_1;
2410 regions.npiv_config_2_3 = active_regions.aux.npiv_config_2_3;
2411 }
2412
2413 ql_dbg(ql_dbg_user, vha, 0x70e1,
2414 "%s(%lu): FW=%u BCFG=%u VPDNVR=%u NPIV01=%u NPIV02=%u\n",
2415 __func__, vha->host_no, regions.global_image,
2416 regions.board_config, regions.vpd_nvram,
2417 regions.npiv_config_0_1, regions.npiv_config_2_3);
2418
2419 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
2420 bsg_job->reply_payload.sg_cnt, &regions, sizeof(regions));
2421
2422 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = EXT_STATUS_OK;
2423 bsg_reply->reply_payload_rcv_len = sizeof(regions);
2424 bsg_reply->result = DID_OK << 16;
2425 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2426 bsg_job_done(bsg_job, bsg_reply->result,
2427 bsg_reply->reply_payload_rcv_len);
2428
2429 return 0;
2430 }
2431
2432 static int
2433 qla2x00_process_vendor_specific(struct bsg_job *bsg_job)
2434 {
2435 struct fc_bsg_request *bsg_request = bsg_job->request;
2436
2437 switch (bsg_request->rqst_data.h_vendor.vendor_cmd[0]) {
2438 case QL_VND_LOOPBACK:
2439 return qla2x00_process_loopback(bsg_job);
2440
2441 case QL_VND_A84_RESET:
2442 return qla84xx_reset(bsg_job);
2443
2444 case QL_VND_A84_UPDATE_FW:
2445 return qla84xx_updatefw(bsg_job);
2446
2447 case QL_VND_A84_MGMT_CMD:
2448 return qla84xx_mgmt_cmd(bsg_job);
2449
2450 case QL_VND_IIDMA:
2451 return qla24xx_iidma(bsg_job);
2452
2453 case QL_VND_FCP_PRIO_CFG_CMD:
2454 return qla24xx_proc_fcp_prio_cfg_cmd(bsg_job);
2455
2456 case QL_VND_READ_FLASH:
2457 return qla2x00_read_optrom(bsg_job);
2458
2459 case QL_VND_UPDATE_FLASH:
2460 return qla2x00_update_optrom(bsg_job);
2461
2462 case QL_VND_SET_FRU_VERSION:
2463 return qla2x00_update_fru_versions(bsg_job);
2464
2465 case QL_VND_READ_FRU_STATUS:
2466 return qla2x00_read_fru_status(bsg_job);
2467
2468 case QL_VND_WRITE_FRU_STATUS:
2469 return qla2x00_write_fru_status(bsg_job);
2470
2471 case QL_VND_WRITE_I2C:
2472 return qla2x00_write_i2c(bsg_job);
2473
2474 case QL_VND_READ_I2C:
2475 return qla2x00_read_i2c(bsg_job);
2476
2477 case QL_VND_DIAG_IO_CMD:
2478 return qla24xx_process_bidir_cmd(bsg_job);
2479
2480 case QL_VND_FX00_MGMT_CMD:
2481 return qlafx00_mgmt_cmd(bsg_job);
2482
2483 case QL_VND_SERDES_OP:
2484 return qla26xx_serdes_op(bsg_job);
2485
2486 case QL_VND_SERDES_OP_EX:
2487 return qla8044_serdes_op(bsg_job);
2488
2489 case QL_VND_GET_FLASH_UPDATE_CAPS:
2490 return qla27xx_get_flash_upd_cap(bsg_job);
2491
2492 case QL_VND_SET_FLASH_UPDATE_CAPS:
2493 return qla27xx_set_flash_upd_cap(bsg_job);
2494
2495 case QL_VND_GET_BBCR_DATA:
2496 return qla27xx_get_bbcr_data(bsg_job);
2497
2498 case QL_VND_GET_PRIV_STATS:
2499 case QL_VND_GET_PRIV_STATS_EX:
2500 return qla2x00_get_priv_stats(bsg_job);
2501
2502 case QL_VND_DPORT_DIAGNOSTICS:
2503 return qla2x00_do_dport_diagnostics(bsg_job);
2504
2505 case QL_VND_SS_GET_FLASH_IMAGE_STATUS:
2506 return qla2x00_get_flash_image_status(bsg_job);
2507
2508 default:
2509 return -ENOSYS;
2510 }
2511 }
2512
2513 int
2514 qla24xx_bsg_request(struct bsg_job *bsg_job)
2515 {
2516 struct fc_bsg_request *bsg_request = bsg_job->request;
2517 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2518 int ret = -EINVAL;
2519 struct fc_rport *rport;
2520 struct Scsi_Host *host;
2521 scsi_qla_host_t *vha;
2522
2523 /* In case no data transferred. */
2524 bsg_reply->reply_payload_rcv_len = 0;
2525
2526 if (bsg_request->msgcode == FC_BSG_RPT_ELS) {
2527 rport = fc_bsg_to_rport(bsg_job);
2528 host = rport_to_shost(rport);
2529 vha = shost_priv(host);
2530 } else {
2531 host = fc_bsg_to_shost(bsg_job);
2532 vha = shost_priv(host);
2533 }
2534
2535 if (qla2x00_chip_is_down(vha)) {
2536 ql_dbg(ql_dbg_user, vha, 0x709f,
2537 "BSG: ISP abort active/needed -- cmd=%d.\n",
2538 bsg_request->msgcode);
2539 return -EBUSY;
2540 }
2541
2542 ql_dbg(ql_dbg_user, vha, 0x7000,
2543 "Entered %s msgcode=0x%x.\n", __func__, bsg_request->msgcode);
2544
2545 switch (bsg_request->msgcode) {
2546 case FC_BSG_RPT_ELS:
2547 case FC_BSG_HST_ELS_NOLOGIN:
2548 ret = qla2x00_process_els(bsg_job);
2549 break;
2550 case FC_BSG_HST_CT:
2551 ret = qla2x00_process_ct(bsg_job);
2552 break;
2553 case FC_BSG_HST_VENDOR:
2554 ret = qla2x00_process_vendor_specific(bsg_job);
2555 break;
2556 case FC_BSG_HST_ADD_RPORT:
2557 case FC_BSG_HST_DEL_RPORT:
2558 case FC_BSG_RPT_CT:
2559 default:
2560 ql_log(ql_log_warn, vha, 0x705a, "Unsupported BSG request.\n");
2561 break;
2562 }
2563 return ret;
2564 }
2565
2566 int
2567 qla24xx_bsg_timeout(struct bsg_job *bsg_job)
2568 {
2569 struct fc_bsg_reply *bsg_reply = bsg_job->reply;
2570 scsi_qla_host_t *vha = shost_priv(fc_bsg_to_shost(bsg_job));
2571 struct qla_hw_data *ha = vha->hw;
2572 srb_t *sp;
2573 int cnt, que;
2574 unsigned long flags;
2575 struct req_que *req;
2576
2577 /* find the bsg job from the active list of commands */
2578 spin_lock_irqsave(&ha->hardware_lock, flags);
2579 for (que = 0; que < ha->max_req_queues; que++) {
2580 req = ha->req_q_map[que];
2581 if (!req)
2582 continue;
2583
2584 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
2585 sp = req->outstanding_cmds[cnt];
2586 if (sp) {
2587 if (((sp->type == SRB_CT_CMD) ||
2588 (sp->type == SRB_ELS_CMD_HST) ||
2589 (sp->type == SRB_FXIOCB_BCMD))
2590 && (sp->u.bsg_job == bsg_job)) {
2591 req->outstanding_cmds[cnt] = NULL;
2592 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2593 if (ha->isp_ops->abort_command(sp)) {
2594 ql_log(ql_log_warn, vha, 0x7089,
2595 "mbx abort_command "
2596 "failed.\n");
2597 bsg_reply->result = -EIO;
2598 } else {
2599 ql_dbg(ql_dbg_user, vha, 0x708a,
2600 "mbx abort_command "
2601 "success.\n");
2602 bsg_reply->result = 0;
2603 }
2604 spin_lock_irqsave(&ha->hardware_lock, flags);
2605 goto done;
2606 }
2607 }
2608 }
2609 }
2610 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2611 ql_log(ql_log_info, vha, 0x708b, "SRB not found to abort.\n");
2612 bsg_reply->result = -ENXIO;
2613 return 0;
2614
2615 done:
2616 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2617 sp->free(sp);
2618 return 0;
2619 }
Linux with added FPC-III support