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initial commit with v3.6.7
[linux-3.6.7-moxart.git] / drivers / scsi / qla2xxx / qla_bsg.c
blobc68883806c54b8092e81ff82f62db06fd8ee822f
1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2011 QLogic Corporation
4 *
5 * See LICENSE.qla2xxx for copyright and licensing details.
6 */
7 #include "qla_def.h"
8
9 #include <linux/kthread.h>
10 #include <linux/vmalloc.h>
11 #include <linux/delay.h>
12
13 /* BSG support for ELS/CT pass through */
14 void
15 qla2x00_bsg_job_done(void *data, void *ptr, int res)
16 {
17 srb_t *sp = (srb_t *)ptr;
18 struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
19 struct fc_bsg_job *bsg_job = sp->u.bsg_job;
20
21 bsg_job->reply->result = res;
22 bsg_job->job_done(bsg_job);
23 sp->free(vha, sp);
24 }
25
26 void
27 qla2x00_bsg_sp_free(void *data, void *ptr)
28 {
29 srb_t *sp = (srb_t *)ptr;
30 struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
31 struct fc_bsg_job *bsg_job = sp->u.bsg_job;
32 struct qla_hw_data *ha = vha->hw;
33
34 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
35 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
36
37 dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
38 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
39
40 if (sp->type == SRB_CT_CMD ||
41 sp->type == SRB_ELS_CMD_HST)
42 kfree(sp->fcport);
43 mempool_free(sp, vha->hw->srb_mempool);
44 }
45
46 int
47 qla24xx_fcp_prio_cfg_valid(scsi_qla_host_t *vha,
48 struct qla_fcp_prio_cfg *pri_cfg, uint8_t flag)
49 {
50 int i, ret, num_valid;
51 uint8_t *bcode;
52 struct qla_fcp_prio_entry *pri_entry;
53 uint32_t *bcode_val_ptr, bcode_val;
54
55 ret = 1;
56 num_valid = 0;
57 bcode = (uint8_t *)pri_cfg;
58 bcode_val_ptr = (uint32_t *)pri_cfg;
59 bcode_val = (uint32_t)(*bcode_val_ptr);
60
61 if (bcode_val == 0xFFFFFFFF) {
62 /* No FCP Priority config data in flash */
63 ql_dbg(ql_dbg_user, vha, 0x7051,
64 "No FCP Priority config data.\n");
65 return 0;
66 }
67
68 if (bcode[0] != 'H' || bcode[1] != 'Q' || bcode[2] != 'O' ||
69 bcode[3] != 'S') {
70 /* Invalid FCP priority data header*/
71 ql_dbg(ql_dbg_user, vha, 0x7052,
72 "Invalid FCP Priority data header. bcode=0x%x.\n",
73 bcode_val);
74 return 0;
75 }
76 if (flag != 1)
77 return ret;
78
79 pri_entry = &pri_cfg->entry[0];
80 for (i = 0; i < pri_cfg->num_entries; i++) {
81 if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
82 num_valid++;
83 pri_entry++;
84 }
85
86 if (num_valid == 0) {
87 /* No valid FCP priority data entries */
88 ql_dbg(ql_dbg_user, vha, 0x7053,
89 "No valid FCP Priority data entries.\n");
90 ret = 0;
91 } else {
92 /* FCP priority data is valid */
93 ql_dbg(ql_dbg_user, vha, 0x7054,
94 "Valid FCP priority data. num entries = %d.\n",
95 num_valid);
96 }
97
98 return ret;
99 }
100
101 static int
102 qla24xx_proc_fcp_prio_cfg_cmd(struct fc_bsg_job *bsg_job)
103 {
104 struct Scsi_Host *host = bsg_job->shost;
105 scsi_qla_host_t *vha = shost_priv(host);
106 struct qla_hw_data *ha = vha->hw;
107 int ret = 0;
108 uint32_t len;
109 uint32_t oper;
110
111 if (!(IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha) || IS_QLA82XX(ha))) {
112 ret = -EINVAL;
113 goto exit_fcp_prio_cfg;
114 }
115
116 /* Get the sub command */
117 oper = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
118
119 /* Only set config is allowed if config memory is not allocated */
120 if (!ha->fcp_prio_cfg && (oper != QLFC_FCP_PRIO_SET_CONFIG)) {
121 ret = -EINVAL;
122 goto exit_fcp_prio_cfg;
123 }
124 switch (oper) {
125 case QLFC_FCP_PRIO_DISABLE:
126 if (ha->flags.fcp_prio_enabled) {
127 ha->flags.fcp_prio_enabled = 0;
128 ha->fcp_prio_cfg->attributes &=
129 ~FCP_PRIO_ATTR_ENABLE;
130 qla24xx_update_all_fcp_prio(vha);
131 bsg_job->reply->result = DID_OK;
132 } else {
133 ret = -EINVAL;
134 bsg_job->reply->result = (DID_ERROR << 16);
135 goto exit_fcp_prio_cfg;
136 }
137 break;
138
139 case QLFC_FCP_PRIO_ENABLE:
140 if (!ha->flags.fcp_prio_enabled) {
141 if (ha->fcp_prio_cfg) {
142 ha->flags.fcp_prio_enabled = 1;
143 ha->fcp_prio_cfg->attributes |=
144 FCP_PRIO_ATTR_ENABLE;
145 qla24xx_update_all_fcp_prio(vha);
146 bsg_job->reply->result = DID_OK;
147 } else {
148 ret = -EINVAL;
149 bsg_job->reply->result = (DID_ERROR << 16);
150 goto exit_fcp_prio_cfg;
151 }
152 }
153 break;
154
155 case QLFC_FCP_PRIO_GET_CONFIG:
156 len = bsg_job->reply_payload.payload_len;
157 if (!len || len > FCP_PRIO_CFG_SIZE) {
158 ret = -EINVAL;
159 bsg_job->reply->result = (DID_ERROR << 16);
160 goto exit_fcp_prio_cfg;
161 }
162
163 bsg_job->reply->result = DID_OK;
164 bsg_job->reply->reply_payload_rcv_len =
165 sg_copy_from_buffer(
166 bsg_job->reply_payload.sg_list,
167 bsg_job->reply_payload.sg_cnt, ha->fcp_prio_cfg,
168 len);
169
170 break;
171
172 case QLFC_FCP_PRIO_SET_CONFIG:
173 len = bsg_job->request_payload.payload_len;
174 if (!len || len > FCP_PRIO_CFG_SIZE) {
175 bsg_job->reply->result = (DID_ERROR << 16);
176 ret = -EINVAL;
177 goto exit_fcp_prio_cfg;
178 }
179
180 if (!ha->fcp_prio_cfg) {
181 ha->fcp_prio_cfg = vmalloc(FCP_PRIO_CFG_SIZE);
182 if (!ha->fcp_prio_cfg) {
183 ql_log(ql_log_warn, vha, 0x7050,
184 "Unable to allocate memory for fcp prio "
185 "config data (%x).\n", FCP_PRIO_CFG_SIZE);
186 bsg_job->reply->result = (DID_ERROR << 16);
187 ret = -ENOMEM;
188 goto exit_fcp_prio_cfg;
189 }
190 }
191
192 memset(ha->fcp_prio_cfg, 0, FCP_PRIO_CFG_SIZE);
193 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
194 bsg_job->request_payload.sg_cnt, ha->fcp_prio_cfg,
195 FCP_PRIO_CFG_SIZE);
196
197 /* validate fcp priority data */
198
199 if (!qla24xx_fcp_prio_cfg_valid(vha,
200 (struct qla_fcp_prio_cfg *) ha->fcp_prio_cfg, 1)) {
201 bsg_job->reply->result = (DID_ERROR << 16);
202 ret = -EINVAL;
203 /* If buffer was invalidatic int
204 * fcp_prio_cfg is of no use
205 */
206 vfree(ha->fcp_prio_cfg);
207 ha->fcp_prio_cfg = NULL;
208 goto exit_fcp_prio_cfg;
209 }
210
211 ha->flags.fcp_prio_enabled = 0;
212 if (ha->fcp_prio_cfg->attributes & FCP_PRIO_ATTR_ENABLE)
213 ha->flags.fcp_prio_enabled = 1;
214 qla24xx_update_all_fcp_prio(vha);
215 bsg_job->reply->result = DID_OK;
216 break;
217 default:
218 ret = -EINVAL;
219 break;
220 }
221 exit_fcp_prio_cfg:
222 bsg_job->job_done(bsg_job);
223 return ret;
224 }
225
226 static int
227 qla2x00_process_els(struct fc_bsg_job *bsg_job)
228 {
229 struct fc_rport *rport;
230 fc_port_t *fcport = NULL;
231 struct Scsi_Host *host;
232 scsi_qla_host_t *vha;
233 struct qla_hw_data *ha;
234 srb_t *sp;
235 const char *type;
236 int req_sg_cnt, rsp_sg_cnt;
237 int rval = (DRIVER_ERROR << 16);
238 uint16_t nextlid = 0;
239
240 if (bsg_job->request->msgcode == FC_BSG_RPT_ELS) {
241 rport = bsg_job->rport;
242 fcport = *(fc_port_t **) rport->dd_data;
243 host = rport_to_shost(rport);
244 vha = shost_priv(host);
245 ha = vha->hw;
246 type = "FC_BSG_RPT_ELS";
247 } else {
248 host = bsg_job->shost;
249 vha = shost_priv(host);
250 ha = vha->hw;
251 type = "FC_BSG_HST_ELS_NOLOGIN";
252 }
253
254 /* pass through is supported only for ISP 4Gb or higher */
255 if (!IS_FWI2_CAPABLE(ha)) {
256 ql_dbg(ql_dbg_user, vha, 0x7001,
257 "ELS passthru not supported for ISP23xx based adapters.\n");
258 rval = -EPERM;
259 goto done;
260 }
261
262 /* Multiple SG's are not supported for ELS requests */
263 if (bsg_job->request_payload.sg_cnt > 1 ||
264 bsg_job->reply_payload.sg_cnt > 1) {
265 ql_dbg(ql_dbg_user, vha, 0x7002,
266 "Multiple SG's are not suppored for ELS requests, "
267 "request_sg_cnt=%x reply_sg_cnt=%x.\n",
268 bsg_job->request_payload.sg_cnt,
269 bsg_job->reply_payload.sg_cnt);
270 rval = -EPERM;
271 goto done;
272 }
273
274 /* ELS request for rport */
275 if (bsg_job->request->msgcode == FC_BSG_RPT_ELS) {
276 /* make sure the rport is logged in,
277 * if not perform fabric login
278 */
279 if (qla2x00_fabric_login(vha, fcport, &nextlid)) {
280 ql_dbg(ql_dbg_user, vha, 0x7003,
281 "Failed to login port %06X for ELS passthru.\n",
282 fcport->d_id.b24);
283 rval = -EIO;
284 goto done;
285 }
286 } else {
287 /* Allocate a dummy fcport structure, since functions
288 * preparing the IOCB and mailbox command retrieves port
289 * specific information from fcport structure. For Host based
290 * ELS commands there will be no fcport structure allocated
291 */
292 fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
293 if (!fcport) {
294 rval = -ENOMEM;
295 goto done;
296 }
297
298 /* Initialize all required fields of fcport */
299 fcport->vha = vha;
300 fcport->d_id.b.al_pa =
301 bsg_job->request->rqst_data.h_els.port_id[0];
302 fcport->d_id.b.area =
303 bsg_job->request->rqst_data.h_els.port_id[1];
304 fcport->d_id.b.domain =
305 bsg_job->request->rqst_data.h_els.port_id[2];
306 fcport->loop_id =
307 (fcport->d_id.b.al_pa == 0xFD) ?
308 NPH_FABRIC_CONTROLLER : NPH_F_PORT;
309 }
310
311 if (!vha->flags.online) {
312 ql_log(ql_log_warn, vha, 0x7005, "Host not online.\n");
313 rval = -EIO;
314 goto done;
315 }
316
317 req_sg_cnt =
318 dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
319 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
320 if (!req_sg_cnt) {
321 rval = -ENOMEM;
322 goto done_free_fcport;
323 }
324
325 rsp_sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
326 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
327 if (!rsp_sg_cnt) {
328 rval = -ENOMEM;
329 goto done_free_fcport;
330 }
331
332 if ((req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
333 (rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
334 ql_log(ql_log_warn, vha, 0x7008,
335 "dma mapping resulted in different sg counts, "
336 "request_sg_cnt: %x dma_request_sg_cnt:%x reply_sg_cnt:%x "
337 "dma_reply_sg_cnt:%x.\n", bsg_job->request_payload.sg_cnt,
338 req_sg_cnt, bsg_job->reply_payload.sg_cnt, rsp_sg_cnt);
339 rval = -EAGAIN;
340 goto done_unmap_sg;
341 }
342
343 /* Alloc SRB structure */
344 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
345 if (!sp) {
346 rval = -ENOMEM;
347 goto done_unmap_sg;
348 }
349
350 sp->type =
351 (bsg_job->request->msgcode == FC_BSG_RPT_ELS ?
352 SRB_ELS_CMD_RPT : SRB_ELS_CMD_HST);
353 sp->name =
354 (bsg_job->request->msgcode == FC_BSG_RPT_ELS ?
355 "bsg_els_rpt" : "bsg_els_hst");
356 sp->u.bsg_job = bsg_job;
357 sp->free = qla2x00_bsg_sp_free;
358 sp->done = qla2x00_bsg_job_done;
359
360 ql_dbg(ql_dbg_user, vha, 0x700a,
361 "bsg rqst type: %s els type: %x - loop-id=%x "
362 "portid=%-2x%02x%02x.\n", type,
363 bsg_job->request->rqst_data.h_els.command_code, fcport->loop_id,
364 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa);
365
366 rval = qla2x00_start_sp(sp);
367 if (rval != QLA_SUCCESS) {
368 ql_log(ql_log_warn, vha, 0x700e,
369 "qla2x00_start_sp failed = %d\n", rval);
370 mempool_free(sp, ha->srb_mempool);
371 rval = -EIO;
372 goto done_unmap_sg;
373 }
374 return rval;
375
376 done_unmap_sg:
377 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
378 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
379 dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
380 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
381 goto done_free_fcport;
382
383 done_free_fcport:
384 if (bsg_job->request->msgcode == FC_BSG_HST_ELS_NOLOGIN)
385 kfree(fcport);
386 done:
387 return rval;
388 }
389
390 inline uint16_t
391 qla24xx_calc_ct_iocbs(uint16_t dsds)
392 {
393 uint16_t iocbs;
394
395 iocbs = 1;
396 if (dsds > 2) {
397 iocbs += (dsds - 2) / 5;
398 if ((dsds - 2) % 5)
399 iocbs++;
400 }
401 return iocbs;
402 }
403
404 static int
405 qla2x00_process_ct(struct fc_bsg_job *bsg_job)
406 {
407 srb_t *sp;
408 struct Scsi_Host *host = bsg_job->shost;
409 scsi_qla_host_t *vha = shost_priv(host);
410 struct qla_hw_data *ha = vha->hw;
411 int rval = (DRIVER_ERROR << 16);
412 int req_sg_cnt, rsp_sg_cnt;
413 uint16_t loop_id;
414 struct fc_port *fcport;
415 char *type = "FC_BSG_HST_CT";
416
417 req_sg_cnt =
418 dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
419 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
420 if (!req_sg_cnt) {
421 ql_log(ql_log_warn, vha, 0x700f,
422 "dma_map_sg return %d for request\n", req_sg_cnt);
423 rval = -ENOMEM;
424 goto done;
425 }
426
427 rsp_sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
428 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
429 if (!rsp_sg_cnt) {
430 ql_log(ql_log_warn, vha, 0x7010,
431 "dma_map_sg return %d for reply\n", rsp_sg_cnt);
432 rval = -ENOMEM;
433 goto done;
434 }
435
436 if ((req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
437 (rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
438 ql_log(ql_log_warn, vha, 0x7011,
439 "request_sg_cnt: %x dma_request_sg_cnt: %x reply_sg_cnt:%x "
440 "dma_reply_sg_cnt: %x\n", bsg_job->request_payload.sg_cnt,
441 req_sg_cnt, bsg_job->reply_payload.sg_cnt, rsp_sg_cnt);
442 rval = -EAGAIN;
443 goto done_unmap_sg;
444 }
445
446 if (!vha->flags.online) {
447 ql_log(ql_log_warn, vha, 0x7012,
448 "Host is not online.\n");
449 rval = -EIO;
450 goto done_unmap_sg;
451 }
452
453 loop_id =
454 (bsg_job->request->rqst_data.h_ct.preamble_word1 & 0xFF000000)
455 >> 24;
456 switch (loop_id) {
457 case 0xFC:
458 loop_id = cpu_to_le16(NPH_SNS);
459 break;
460 case 0xFA:
461 loop_id = vha->mgmt_svr_loop_id;
462 break;
463 default:
464 ql_dbg(ql_dbg_user, vha, 0x7013,
465 "Unknown loop id: %x.\n", loop_id);
466 rval = -EINVAL;
467 goto done_unmap_sg;
468 }
469
470 /* Allocate a dummy fcport structure, since functions preparing the
471 * IOCB and mailbox command retrieves port specific information
472 * from fcport structure. For Host based ELS commands there will be
473 * no fcport structure allocated
474 */
475 fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
476 if (!fcport) {
477 ql_log(ql_log_warn, vha, 0x7014,
478 "Failed to allocate fcport.\n");
479 rval = -ENOMEM;
480 goto done_unmap_sg;
481 }
482
483 /* Initialize all required fields of fcport */
484 fcport->vha = vha;
485 fcport->d_id.b.al_pa = bsg_job->request->rqst_data.h_ct.port_id[0];
486 fcport->d_id.b.area = bsg_job->request->rqst_data.h_ct.port_id[1];
487 fcport->d_id.b.domain = bsg_job->request->rqst_data.h_ct.port_id[2];
488 fcport->loop_id = loop_id;
489
490 /* Alloc SRB structure */
491 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
492 if (!sp) {
493 ql_log(ql_log_warn, vha, 0x7015,
494 "qla2x00_get_sp failed.\n");
495 rval = -ENOMEM;
496 goto done_free_fcport;
497 }
498
499 sp->type = SRB_CT_CMD;
500 sp->name = "bsg_ct";
501 sp->iocbs = qla24xx_calc_ct_iocbs(req_sg_cnt + rsp_sg_cnt);
502 sp->u.bsg_job = bsg_job;
503 sp->free = qla2x00_bsg_sp_free;
504 sp->done = qla2x00_bsg_job_done;
505
506 ql_dbg(ql_dbg_user, vha, 0x7016,
507 "bsg rqst type: %s else type: %x - "
508 "loop-id=%x portid=%02x%02x%02x.\n", type,
509 (bsg_job->request->rqst_data.h_ct.preamble_word2 >> 16),
510 fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area,
511 fcport->d_id.b.al_pa);
512
513 rval = qla2x00_start_sp(sp);
514 if (rval != QLA_SUCCESS) {
515 ql_log(ql_log_warn, vha, 0x7017,
516 "qla2x00_start_sp failed=%d.\n", rval);
517 mempool_free(sp, ha->srb_mempool);
518 rval = -EIO;
519 goto done_free_fcport;
520 }
521 return rval;
522
523 done_free_fcport:
524 kfree(fcport);
525 done_unmap_sg:
526 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
527 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
528 dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
529 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
530 done:
531 return rval;
532 }
533
534 /* Set the port configuration to enable the
535 * internal loopback on ISP81XX
536 */
537 static inline int
538 qla81xx_set_internal_loopback(scsi_qla_host_t *vha, uint16_t *config,
539 uint16_t *new_config)
540 {
541 int ret = 0;
542 int rval = 0;
543 struct qla_hw_data *ha = vha->hw;
544
545 if (!IS_QLA81XX(ha) && !IS_QLA8031(ha))
546 goto done_set_internal;
547
548 new_config[0] = config[0] | (ENABLE_INTERNAL_LOOPBACK << 1);
549 memcpy(&new_config[1], &config[1], sizeof(uint16_t) * 3) ;
550
551 ha->notify_dcbx_comp = 1;
552 ret = qla81xx_set_port_config(vha, new_config);
553 if (ret != QLA_SUCCESS) {
554 ql_log(ql_log_warn, vha, 0x7021,
555 "set port config failed.\n");
556 ha->notify_dcbx_comp = 0;
557 rval = -EINVAL;
558 goto done_set_internal;
559 }
560
561 /* Wait for DCBX complete event */
562 if (!wait_for_completion_timeout(&ha->dcbx_comp, (20 * HZ))) {
563 ql_dbg(ql_dbg_user, vha, 0x7022,
564 "State change notification not received.\n");
565 } else
566 ql_dbg(ql_dbg_user, vha, 0x7023,
567 "State change received.\n");
568
569 ha->notify_dcbx_comp = 0;
570
571 done_set_internal:
572 return rval;
573 }
574
575 /* Set the port configuration to disable the
576 * internal loopback on ISP81XX
577 */
578 static inline int
579 qla81xx_reset_internal_loopback(scsi_qla_host_t *vha, uint16_t *config,
580 int wait)
581 {
582 int ret = 0;
583 int rval = 0;
584 uint16_t new_config[4];
585 struct qla_hw_data *ha = vha->hw;
586
587 if (!IS_QLA81XX(ha) && !IS_QLA8031(ha))
588 goto done_reset_internal;
589
590 memset(new_config, 0 , sizeof(new_config));
591 if ((config[0] & INTERNAL_LOOPBACK_MASK) >> 1 ==
592 ENABLE_INTERNAL_LOOPBACK) {
593 new_config[0] = config[0] & ~INTERNAL_LOOPBACK_MASK;
594 memcpy(&new_config[1], &config[1], sizeof(uint16_t) * 3) ;
595
596 ha->notify_dcbx_comp = wait;
597 ret = qla81xx_set_port_config(vha, new_config);
598 if (ret != QLA_SUCCESS) {
599 ql_log(ql_log_warn, vha, 0x7025,
600 "Set port config failed.\n");
601 ha->notify_dcbx_comp = 0;
602 rval = -EINVAL;
603 goto done_reset_internal;
604 }
605
606 /* Wait for DCBX complete event */
607 if (wait && !wait_for_completion_timeout(&ha->dcbx_comp,
608 (20 * HZ))) {
609 ql_dbg(ql_dbg_user, vha, 0x7026,
610 "State change notification not received.\n");
611 ha->notify_dcbx_comp = 0;
612 rval = -EINVAL;
613 goto done_reset_internal;
614 } else
615 ql_dbg(ql_dbg_user, vha, 0x7027,
616 "State change received.\n");
617
618 ha->notify_dcbx_comp = 0;
619 }
620 done_reset_internal:
621 return rval;
622 }
623
624 static int
625 qla2x00_process_loopback(struct fc_bsg_job *bsg_job)
626 {
627 struct Scsi_Host *host = bsg_job->shost;
628 scsi_qla_host_t *vha = shost_priv(host);
629 struct qla_hw_data *ha = vha->hw;
630 int rval;
631 uint8_t command_sent;
632 char *type;
633 struct msg_echo_lb elreq;
634 uint16_t response[MAILBOX_REGISTER_COUNT];
635 uint16_t config[4], new_config[4];
636 uint8_t *fw_sts_ptr;
637 uint8_t *req_data = NULL;
638 dma_addr_t req_data_dma;
639 uint32_t req_data_len;
640 uint8_t *rsp_data = NULL;
641 dma_addr_t rsp_data_dma;
642 uint32_t rsp_data_len;
643
644 if (!vha->flags.online) {
645 ql_log(ql_log_warn, vha, 0x7019, "Host is not online.\n");
646 return -EIO;
647 }
648
649 elreq.req_sg_cnt = dma_map_sg(&ha->pdev->dev,
650 bsg_job->request_payload.sg_list, bsg_job->request_payload.sg_cnt,
651 DMA_TO_DEVICE);
652
653 if (!elreq.req_sg_cnt) {
654 ql_log(ql_log_warn, vha, 0x701a,
655 "dma_map_sg returned %d for request.\n", elreq.req_sg_cnt);
656 return -ENOMEM;
657 }
658
659 elreq.rsp_sg_cnt = dma_map_sg(&ha->pdev->dev,
660 bsg_job->reply_payload.sg_list, bsg_job->reply_payload.sg_cnt,
661 DMA_FROM_DEVICE);
662
663 if (!elreq.rsp_sg_cnt) {
664 ql_log(ql_log_warn, vha, 0x701b,
665 "dma_map_sg returned %d for reply.\n", elreq.rsp_sg_cnt);
666 rval = -ENOMEM;
667 goto done_unmap_req_sg;
668 }
669
670 if ((elreq.req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
671 (elreq.rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
672 ql_log(ql_log_warn, vha, 0x701c,
673 "dma mapping resulted in different sg counts, "
674 "request_sg_cnt: %x dma_request_sg_cnt: %x "
675 "reply_sg_cnt: %x dma_reply_sg_cnt: %x.\n",
676 bsg_job->request_payload.sg_cnt, elreq.req_sg_cnt,
677 bsg_job->reply_payload.sg_cnt, elreq.rsp_sg_cnt);
678 rval = -EAGAIN;
679 goto done_unmap_sg;
680 }
681 req_data_len = rsp_data_len = bsg_job->request_payload.payload_len;
682 req_data = dma_alloc_coherent(&ha->pdev->dev, req_data_len,
683 &req_data_dma, GFP_KERNEL);
684 if (!req_data) {
685 ql_log(ql_log_warn, vha, 0x701d,
686 "dma alloc failed for req_data.\n");
687 rval = -ENOMEM;
688 goto done_unmap_sg;
689 }
690
691 rsp_data = dma_alloc_coherent(&ha->pdev->dev, rsp_data_len,
692 &rsp_data_dma, GFP_KERNEL);
693 if (!rsp_data) {
694 ql_log(ql_log_warn, vha, 0x7004,
695 "dma alloc failed for rsp_data.\n");
696 rval = -ENOMEM;
697 goto done_free_dma_req;
698 }
699
700 /* Copy the request buffer in req_data now */
701 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
702 bsg_job->request_payload.sg_cnt, req_data, req_data_len);
703
704 elreq.send_dma = req_data_dma;
705 elreq.rcv_dma = rsp_data_dma;
706 elreq.transfer_size = req_data_len;
707
708 elreq.options = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
709
710 if ((ha->current_topology == ISP_CFG_F ||
711 ((IS_QLA81XX(ha) || IS_QLA8031(ha)) &&
712 le32_to_cpu(*(uint32_t *)req_data) == ELS_OPCODE_BYTE
713 && req_data_len == MAX_ELS_FRAME_PAYLOAD)) &&
714 elreq.options == EXTERNAL_LOOPBACK) {
715 type = "FC_BSG_HST_VENDOR_ECHO_DIAG";
716 ql_dbg(ql_dbg_user, vha, 0x701e,
717 "BSG request type: %s.\n", type);
718 command_sent = INT_DEF_LB_ECHO_CMD;
719 rval = qla2x00_echo_test(vha, &elreq, response);
720 } else {
721 if (IS_QLA81XX(ha) || IS_QLA8031(ha)) {
722 memset(config, 0, sizeof(config));
723 memset(new_config, 0, sizeof(new_config));
724 if (qla81xx_get_port_config(vha, config)) {
725 ql_log(ql_log_warn, vha, 0x701f,
726 "Get port config failed.\n");
727 bsg_job->reply->result = (DID_ERROR << 16);
728 rval = -EPERM;
729 goto done_free_dma_req;
730 }
731
732 if (elreq.options != EXTERNAL_LOOPBACK) {
733 ql_dbg(ql_dbg_user, vha, 0x7020,
734 "Internal: current port config = %x\n",
735 config[0]);
736 if (qla81xx_set_internal_loopback(vha, config,
737 new_config)) {
738 ql_log(ql_log_warn, vha, 0x7024,
739 "Internal loopback failed.\n");
740 bsg_job->reply->result =
741 (DID_ERROR << 16);
742 rval = -EPERM;
743 goto done_free_dma_req;
744 }
745 } else {
746 /* For external loopback to work
747 * ensure internal loopback is disabled
748 */
749 if (qla81xx_reset_internal_loopback(vha,
750 config, 1)) {
751 bsg_job->reply->result =
752 (DID_ERROR << 16);
753 rval = -EPERM;
754 goto done_free_dma_req;
755 }
756 }
757
758 type = "FC_BSG_HST_VENDOR_LOOPBACK";
759 ql_dbg(ql_dbg_user, vha, 0x7028,
760 "BSG request type: %s.\n", type);
761
762 command_sent = INT_DEF_LB_LOOPBACK_CMD;
763 rval = qla2x00_loopback_test(vha, &elreq, response);
764
765 if (new_config[0]) {
766 /* Revert back to original port config
767 * Also clear internal loopback
768 */
769 qla81xx_reset_internal_loopback(vha,
770 new_config, 0);
771 }
772
773 if (response[0] == MBS_COMMAND_ERROR &&
774 response[1] == MBS_LB_RESET) {
775 ql_log(ql_log_warn, vha, 0x7029,
776 "MBX command error, Aborting ISP.\n");
777 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
778 qla2xxx_wake_dpc(vha);
779 qla2x00_wait_for_chip_reset(vha);
780 /* Also reset the MPI */
781 if (qla81xx_restart_mpi_firmware(vha) !=
782 QLA_SUCCESS) {
783 ql_log(ql_log_warn, vha, 0x702a,
784 "MPI reset failed.\n");
785 }
786
787 bsg_job->reply->result = (DID_ERROR << 16);
788 rval = -EIO;
789 goto done_free_dma_req;
790 }
791 } else {
792 type = "FC_BSG_HST_VENDOR_LOOPBACK";
793 ql_dbg(ql_dbg_user, vha, 0x702b,
794 "BSG request type: %s.\n", type);
795 command_sent = INT_DEF_LB_LOOPBACK_CMD;
796 rval = qla2x00_loopback_test(vha, &elreq, response);
797 }
798 }
799
800 if (rval) {
801 ql_log(ql_log_warn, vha, 0x702c,
802 "Vendor request %s failed.\n", type);
803
804 fw_sts_ptr = ((uint8_t *)bsg_job->req->sense) +
805 sizeof(struct fc_bsg_reply);
806
807 memcpy(fw_sts_ptr, response, sizeof(response));
808 fw_sts_ptr += sizeof(response);
809 *fw_sts_ptr = command_sent;
810 rval = 0;
811 bsg_job->reply->result = (DID_ERROR << 16);
812 } else {
813 ql_dbg(ql_dbg_user, vha, 0x702d,
814 "Vendor request %s completed.\n", type);
815
816 bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
817 sizeof(response) + sizeof(uint8_t);
818 bsg_job->reply->reply_payload_rcv_len =
819 bsg_job->reply_payload.payload_len;
820 fw_sts_ptr = ((uint8_t *)bsg_job->req->sense) +
821 sizeof(struct fc_bsg_reply);
822 memcpy(fw_sts_ptr, response, sizeof(response));
823 fw_sts_ptr += sizeof(response);
824 *fw_sts_ptr = command_sent;
825 bsg_job->reply->result = DID_OK;
826 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
827 bsg_job->reply_payload.sg_cnt, rsp_data,
828 rsp_data_len);
829 }
830 bsg_job->job_done(bsg_job);
831
832 dma_free_coherent(&ha->pdev->dev, rsp_data_len,
833 rsp_data, rsp_data_dma);
834 done_free_dma_req:
835 dma_free_coherent(&ha->pdev->dev, req_data_len,
836 req_data, req_data_dma);
837 done_unmap_sg:
838 dma_unmap_sg(&ha->pdev->dev,
839 bsg_job->reply_payload.sg_list,
840 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
841 done_unmap_req_sg:
842 dma_unmap_sg(&ha->pdev->dev,
843 bsg_job->request_payload.sg_list,
844 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
845 return rval;
846 }
847
848 static int
849 qla84xx_reset(struct fc_bsg_job *bsg_job)
850 {
851 struct Scsi_Host *host = bsg_job->shost;
852 scsi_qla_host_t *vha = shost_priv(host);
853 struct qla_hw_data *ha = vha->hw;
854 int rval = 0;
855 uint32_t flag;
856
857 if (!IS_QLA84XX(ha)) {
858 ql_dbg(ql_dbg_user, vha, 0x702f, "Not 84xx, exiting.\n");
859 return -EINVAL;
860 }
861
862 flag = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
863
864 rval = qla84xx_reset_chip(vha, flag == A84_ISSUE_RESET_DIAG_FW);
865
866 if (rval) {
867 ql_log(ql_log_warn, vha, 0x7030,
868 "Vendor request 84xx reset failed.\n");
869 rval = 0;
870 bsg_job->reply->result = (DID_ERROR << 16);
871
872 } else {
873 ql_dbg(ql_dbg_user, vha, 0x7031,
874 "Vendor request 84xx reset completed.\n");
875 bsg_job->reply->result = DID_OK;
876 }
877
878 bsg_job->job_done(bsg_job);
879 return rval;
880 }
881
882 static int
883 qla84xx_updatefw(struct fc_bsg_job *bsg_job)
884 {
885 struct Scsi_Host *host = bsg_job->shost;
886 scsi_qla_host_t *vha = shost_priv(host);
887 struct qla_hw_data *ha = vha->hw;
888 struct verify_chip_entry_84xx *mn = NULL;
889 dma_addr_t mn_dma, fw_dma;
890 void *fw_buf = NULL;
891 int rval = 0;
892 uint32_t sg_cnt;
893 uint32_t data_len;
894 uint16_t options;
895 uint32_t flag;
896 uint32_t fw_ver;
897
898 if (!IS_QLA84XX(ha)) {
899 ql_dbg(ql_dbg_user, vha, 0x7032,
900 "Not 84xx, exiting.\n");
901 return -EINVAL;
902 }
903
904 sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
905 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
906 if (!sg_cnt) {
907 ql_log(ql_log_warn, vha, 0x7033,
908 "dma_map_sg returned %d for request.\n", sg_cnt);
909 return -ENOMEM;
910 }
911
912 if (sg_cnt != bsg_job->request_payload.sg_cnt) {
913 ql_log(ql_log_warn, vha, 0x7034,
914 "DMA mapping resulted in different sg counts, "
915 "request_sg_cnt: %x dma_request_sg_cnt: %x.\n",
916 bsg_job->request_payload.sg_cnt, sg_cnt);
917 rval = -EAGAIN;
918 goto done_unmap_sg;
919 }
920
921 data_len = bsg_job->request_payload.payload_len;
922 fw_buf = dma_alloc_coherent(&ha->pdev->dev, data_len,
923 &fw_dma, GFP_KERNEL);
924 if (!fw_buf) {
925 ql_log(ql_log_warn, vha, 0x7035,
926 "DMA alloc failed for fw_buf.\n");
927 rval = -ENOMEM;
928 goto done_unmap_sg;
929 }
930
931 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
932 bsg_job->request_payload.sg_cnt, fw_buf, data_len);
933
934 mn = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &mn_dma);
935 if (!mn) {
936 ql_log(ql_log_warn, vha, 0x7036,
937 "DMA alloc failed for fw buffer.\n");
938 rval = -ENOMEM;
939 goto done_free_fw_buf;
940 }
941
942 flag = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
943 fw_ver = le32_to_cpu(*((uint32_t *)((uint32_t *)fw_buf + 2)));
944
945 memset(mn, 0, sizeof(struct access_chip_84xx));
946 mn->entry_type = VERIFY_CHIP_IOCB_TYPE;
947 mn->entry_count = 1;
948
949 options = VCO_FORCE_UPDATE | VCO_END_OF_DATA;
950 if (flag == A84_ISSUE_UPDATE_DIAGFW_CMD)
951 options |= VCO_DIAG_FW;
952
953 mn->options = cpu_to_le16(options);
954 mn->fw_ver = cpu_to_le32(fw_ver);
955 mn->fw_size = cpu_to_le32(data_len);
956 mn->fw_seq_size = cpu_to_le32(data_len);
957 mn->dseg_address[0] = cpu_to_le32(LSD(fw_dma));
958 mn->dseg_address[1] = cpu_to_le32(MSD(fw_dma));
959 mn->dseg_length = cpu_to_le32(data_len);
960 mn->data_seg_cnt = cpu_to_le16(1);
961
962 rval = qla2x00_issue_iocb_timeout(vha, mn, mn_dma, 0, 120);
963
964 if (rval) {
965 ql_log(ql_log_warn, vha, 0x7037,
966 "Vendor request 84xx updatefw failed.\n");
967
968 rval = 0;
969 bsg_job->reply->result = (DID_ERROR << 16);
970 } else {
971 ql_dbg(ql_dbg_user, vha, 0x7038,
972 "Vendor request 84xx updatefw completed.\n");
973
974 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
975 bsg_job->reply->result = DID_OK;
976 }
977
978 bsg_job->job_done(bsg_job);
979 dma_pool_free(ha->s_dma_pool, mn, mn_dma);
980
981 done_free_fw_buf:
982 dma_free_coherent(&ha->pdev->dev, data_len, fw_buf, fw_dma);
983
984 done_unmap_sg:
985 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
986 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
987
988 return rval;
989 }
990
991 static int
992 qla84xx_mgmt_cmd(struct fc_bsg_job *bsg_job)
993 {
994 struct Scsi_Host *host = bsg_job->shost;
995 scsi_qla_host_t *vha = shost_priv(host);
996 struct qla_hw_data *ha = vha->hw;
997 struct access_chip_84xx *mn = NULL;
998 dma_addr_t mn_dma, mgmt_dma;
999 void *mgmt_b = NULL;
1000 int rval = 0;
1001 struct qla_bsg_a84_mgmt *ql84_mgmt;
1002 uint32_t sg_cnt;
1003 uint32_t data_len = 0;
1004 uint32_t dma_direction = DMA_NONE;
1005
1006 if (!IS_QLA84XX(ha)) {
1007 ql_log(ql_log_warn, vha, 0x703a,
1008 "Not 84xx, exiting.\n");
1009 return -EINVAL;
1010 }
1011
1012 ql84_mgmt = (struct qla_bsg_a84_mgmt *)((char *)bsg_job->request +
1013 sizeof(struct fc_bsg_request));
1014 if (!ql84_mgmt) {
1015 ql_log(ql_log_warn, vha, 0x703b,
1016 "MGMT header not provided, exiting.\n");
1017 return -EINVAL;
1018 }
1019
1020 mn = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &mn_dma);
1021 if (!mn) {
1022 ql_log(ql_log_warn, vha, 0x703c,
1023 "DMA alloc failed for fw buffer.\n");
1024 return -ENOMEM;
1025 }
1026
1027 memset(mn, 0, sizeof(struct access_chip_84xx));
1028 mn->entry_type = ACCESS_CHIP_IOCB_TYPE;
1029 mn->entry_count = 1;
1030
1031 switch (ql84_mgmt->mgmt.cmd) {
1032 case QLA84_MGMT_READ_MEM:
1033 case QLA84_MGMT_GET_INFO:
1034 sg_cnt = dma_map_sg(&ha->pdev->dev,
1035 bsg_job->reply_payload.sg_list,
1036 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
1037 if (!sg_cnt) {
1038 ql_log(ql_log_warn, vha, 0x703d,
1039 "dma_map_sg returned %d for reply.\n", sg_cnt);
1040 rval = -ENOMEM;
1041 goto exit_mgmt;
1042 }
1043
1044 dma_direction = DMA_FROM_DEVICE;
1045
1046 if (sg_cnt != bsg_job->reply_payload.sg_cnt) {
1047 ql_log(ql_log_warn, vha, 0x703e,
1048 "DMA mapping resulted in different sg counts, "
1049 "reply_sg_cnt: %x dma_reply_sg_cnt: %x.\n",
1050 bsg_job->reply_payload.sg_cnt, sg_cnt);
1051 rval = -EAGAIN;
1052 goto done_unmap_sg;
1053 }
1054
1055 data_len = bsg_job->reply_payload.payload_len;
1056
1057 mgmt_b = dma_alloc_coherent(&ha->pdev->dev, data_len,
1058 &mgmt_dma, GFP_KERNEL);
1059 if (!mgmt_b) {
1060 ql_log(ql_log_warn, vha, 0x703f,
1061 "DMA alloc failed for mgmt_b.\n");
1062 rval = -ENOMEM;
1063 goto done_unmap_sg;
1064 }
1065
1066 if (ql84_mgmt->mgmt.cmd == QLA84_MGMT_READ_MEM) {
1067 mn->options = cpu_to_le16(ACO_DUMP_MEMORY);
1068 mn->parameter1 =
1069 cpu_to_le32(
1070 ql84_mgmt->mgmt.mgmtp.u.mem.start_addr);
1071
1072 } else if (ql84_mgmt->mgmt.cmd == QLA84_MGMT_GET_INFO) {
1073 mn->options = cpu_to_le16(ACO_REQUEST_INFO);
1074 mn->parameter1 =
1075 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.info.type);
1076
1077 mn->parameter2 =
1078 cpu_to_le32(
1079 ql84_mgmt->mgmt.mgmtp.u.info.context);
1080 }
1081 break;
1082
1083 case QLA84_MGMT_WRITE_MEM:
1084 sg_cnt = dma_map_sg(&ha->pdev->dev,
1085 bsg_job->request_payload.sg_list,
1086 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1087
1088 if (!sg_cnt) {
1089 ql_log(ql_log_warn, vha, 0x7040,
1090 "dma_map_sg returned %d.\n", sg_cnt);
1091 rval = -ENOMEM;
1092 goto exit_mgmt;
1093 }
1094
1095 dma_direction = DMA_TO_DEVICE;
1096
1097 if (sg_cnt != bsg_job->request_payload.sg_cnt) {
1098 ql_log(ql_log_warn, vha, 0x7041,
1099 "DMA mapping resulted in different sg counts, "
1100 "request_sg_cnt: %x dma_request_sg_cnt: %x.\n",
1101 bsg_job->request_payload.sg_cnt, sg_cnt);
1102 rval = -EAGAIN;
1103 goto done_unmap_sg;
1104 }
1105
1106 data_len = bsg_job->request_payload.payload_len;
1107 mgmt_b = dma_alloc_coherent(&ha->pdev->dev, data_len,
1108 &mgmt_dma, GFP_KERNEL);
1109 if (!mgmt_b) {
1110 ql_log(ql_log_warn, vha, 0x7042,
1111 "DMA alloc failed for mgmt_b.\n");
1112 rval = -ENOMEM;
1113 goto done_unmap_sg;
1114 }
1115
1116 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1117 bsg_job->request_payload.sg_cnt, mgmt_b, data_len);
1118
1119 mn->options = cpu_to_le16(ACO_LOAD_MEMORY);
1120 mn->parameter1 =
1121 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.mem.start_addr);
1122 break;
1123
1124 case QLA84_MGMT_CHNG_CONFIG:
1125 mn->options = cpu_to_le16(ACO_CHANGE_CONFIG_PARAM);
1126 mn->parameter1 =
1127 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.id);
1128
1129 mn->parameter2 =
1130 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.param0);
1131
1132 mn->parameter3 =
1133 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.param1);
1134 break;
1135
1136 default:
1137 rval = -EIO;
1138 goto exit_mgmt;
1139 }
1140
1141 if (ql84_mgmt->mgmt.cmd != QLA84_MGMT_CHNG_CONFIG) {
1142 mn->total_byte_cnt = cpu_to_le32(ql84_mgmt->mgmt.len);
1143 mn->dseg_count = cpu_to_le16(1);
1144 mn->dseg_address[0] = cpu_to_le32(LSD(mgmt_dma));
1145 mn->dseg_address[1] = cpu_to_le32(MSD(mgmt_dma));
1146 mn->dseg_length = cpu_to_le32(ql84_mgmt->mgmt.len);
1147 }
1148
1149 rval = qla2x00_issue_iocb(vha, mn, mn_dma, 0);
1150
1151 if (rval) {
1152 ql_log(ql_log_warn, vha, 0x7043,
1153 "Vendor request 84xx mgmt failed.\n");
1154
1155 rval = 0;
1156 bsg_job->reply->result = (DID_ERROR << 16);
1157
1158 } else {
1159 ql_dbg(ql_dbg_user, vha, 0x7044,
1160 "Vendor request 84xx mgmt completed.\n");
1161
1162 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1163 bsg_job->reply->result = DID_OK;
1164
1165 if ((ql84_mgmt->mgmt.cmd == QLA84_MGMT_READ_MEM) ||
1166 (ql84_mgmt->mgmt.cmd == QLA84_MGMT_GET_INFO)) {
1167 bsg_job->reply->reply_payload_rcv_len =
1168 bsg_job->reply_payload.payload_len;
1169
1170 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1171 bsg_job->reply_payload.sg_cnt, mgmt_b,
1172 data_len);
1173 }
1174 }
1175
1176 bsg_job->job_done(bsg_job);
1177
1178 done_unmap_sg:
1179 if (mgmt_b)
1180 dma_free_coherent(&ha->pdev->dev, data_len, mgmt_b, mgmt_dma);
1181
1182 if (dma_direction == DMA_TO_DEVICE)
1183 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
1184 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1185 else if (dma_direction == DMA_FROM_DEVICE)
1186 dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
1187 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
1188
1189 exit_mgmt:
1190 dma_pool_free(ha->s_dma_pool, mn, mn_dma);
1191
1192 return rval;
1193 }
1194
1195 static int
1196 qla24xx_iidma(struct fc_bsg_job *bsg_job)
1197 {
1198 struct Scsi_Host *host = bsg_job->shost;
1199 scsi_qla_host_t *vha = shost_priv(host);
1200 int rval = 0;
1201 struct qla_port_param *port_param = NULL;
1202 fc_port_t *fcport = NULL;
1203 uint16_t mb[MAILBOX_REGISTER_COUNT];
1204 uint8_t *rsp_ptr = NULL;
1205
1206 if (!IS_IIDMA_CAPABLE(vha->hw)) {
1207 ql_log(ql_log_info, vha, 0x7046, "iiDMA not supported.\n");
1208 return -EINVAL;
1209 }
1210
1211 port_param = (struct qla_port_param *)((char *)bsg_job->request +
1212 sizeof(struct fc_bsg_request));
1213 if (!port_param) {
1214 ql_log(ql_log_warn, vha, 0x7047,
1215 "port_param header not provided.\n");
1216 return -EINVAL;
1217 }
1218
1219 if (port_param->fc_scsi_addr.dest_type != EXT_DEF_TYPE_WWPN) {
1220 ql_log(ql_log_warn, vha, 0x7048,
1221 "Invalid destination type.\n");
1222 return -EINVAL;
1223 }
1224
1225 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1226 if (fcport->port_type != FCT_TARGET)
1227 continue;
1228
1229 if (memcmp(port_param->fc_scsi_addr.dest_addr.wwpn,
1230 fcport->port_name, sizeof(fcport->port_name)))
1231 continue;
1232 break;
1233 }
1234
1235 if (!fcport) {
1236 ql_log(ql_log_warn, vha, 0x7049,
1237 "Failed to find port.\n");
1238 return -EINVAL;
1239 }
1240
1241 if (atomic_read(&fcport->state) != FCS_ONLINE) {
1242 ql_log(ql_log_warn, vha, 0x704a,
1243 "Port is not online.\n");
1244 return -EINVAL;
1245 }
1246
1247 if (fcport->flags & FCF_LOGIN_NEEDED) {
1248 ql_log(ql_log_warn, vha, 0x704b,
1249 "Remote port not logged in flags = 0x%x.\n", fcport->flags);
1250 return -EINVAL;
1251 }
1252
1253 if (port_param->mode)
1254 rval = qla2x00_set_idma_speed(vha, fcport->loop_id,
1255 port_param->speed, mb);
1256 else
1257 rval = qla2x00_get_idma_speed(vha, fcport->loop_id,
1258 &port_param->speed, mb);
1259
1260 if (rval) {
1261 ql_log(ql_log_warn, vha, 0x704c,
1262 "iIDMA cmd failed for %02x%02x%02x%02x%02x%02x%02x%02x -- "
1263 "%04x %x %04x %04x.\n", fcport->port_name[0],
1264 fcport->port_name[1], fcport->port_name[2],
1265 fcport->port_name[3], fcport->port_name[4],
1266 fcport->port_name[5], fcport->port_name[6],
1267 fcport->port_name[7], rval, fcport->fp_speed, mb[0], mb[1]);
1268 rval = 0;
1269 bsg_job->reply->result = (DID_ERROR << 16);
1270
1271 } else {
1272 if (!port_param->mode) {
1273 bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
1274 sizeof(struct qla_port_param);
1275
1276 rsp_ptr = ((uint8_t *)bsg_job->reply) +
1277 sizeof(struct fc_bsg_reply);
1278
1279 memcpy(rsp_ptr, port_param,
1280 sizeof(struct qla_port_param));
1281 }
1282
1283 bsg_job->reply->result = DID_OK;
1284 }
1285
1286 bsg_job->job_done(bsg_job);
1287 return rval;
1288 }
1289
1290 static int
1291 qla2x00_optrom_setup(struct fc_bsg_job *bsg_job, scsi_qla_host_t *vha,
1292 uint8_t is_update)
1293 {
1294 uint32_t start = 0;
1295 int valid = 0;
1296 struct qla_hw_data *ha = vha->hw;
1297
1298 if (unlikely(pci_channel_offline(ha->pdev)))
1299 return -EINVAL;
1300
1301 start = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
1302 if (start > ha->optrom_size) {
1303 ql_log(ql_log_warn, vha, 0x7055,
1304 "start %d > optrom_size %d.\n", start, ha->optrom_size);
1305 return -EINVAL;
1306 }
1307
1308 if (ha->optrom_state != QLA_SWAITING) {
1309 ql_log(ql_log_info, vha, 0x7056,
1310 "optrom_state %d.\n", ha->optrom_state);
1311 return -EBUSY;
1312 }
1313
1314 ha->optrom_region_start = start;
1315 ql_dbg(ql_dbg_user, vha, 0x7057, "is_update=%d.\n", is_update);
1316 if (is_update) {
1317 if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0)
1318 valid = 1;
1319 else if (start == (ha->flt_region_boot * 4) ||
1320 start == (ha->flt_region_fw * 4))
1321 valid = 1;
1322 else if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha) ||
1323 IS_CNA_CAPABLE(ha) || IS_QLA2031(ha))
1324 valid = 1;
1325 if (!valid) {
1326 ql_log(ql_log_warn, vha, 0x7058,
1327 "Invalid start region 0x%x/0x%x.\n", start,
1328 bsg_job->request_payload.payload_len);
1329 return -EINVAL;
1330 }
1331
1332 ha->optrom_region_size = start +
1333 bsg_job->request_payload.payload_len > ha->optrom_size ?
1334 ha->optrom_size - start :
1335 bsg_job->request_payload.payload_len;
1336 ha->optrom_state = QLA_SWRITING;
1337 } else {
1338 ha->optrom_region_size = start +
1339 bsg_job->reply_payload.payload_len > ha->optrom_size ?
1340 ha->optrom_size - start :
1341 bsg_job->reply_payload.payload_len;
1342 ha->optrom_state = QLA_SREADING;
1343 }
1344
1345 ha->optrom_buffer = vmalloc(ha->optrom_region_size);
1346 if (!ha->optrom_buffer) {
1347 ql_log(ql_log_warn, vha, 0x7059,
1348 "Read: Unable to allocate memory for optrom retrieval "
1349 "(%x)\n", ha->optrom_region_size);
1350
1351 ha->optrom_state = QLA_SWAITING;
1352 return -ENOMEM;
1353 }
1354
1355 memset(ha->optrom_buffer, 0, ha->optrom_region_size);
1356 return 0;
1357 }
1358
1359 static int
1360 qla2x00_read_optrom(struct fc_bsg_job *bsg_job)
1361 {
1362 struct Scsi_Host *host = bsg_job->shost;
1363 scsi_qla_host_t *vha = shost_priv(host);
1364 struct qla_hw_data *ha = vha->hw;
1365 int rval = 0;
1366
1367 if (ha->flags.isp82xx_reset_hdlr_active)
1368 return -EBUSY;
1369
1370 rval = qla2x00_optrom_setup(bsg_job, vha, 0);
1371 if (rval)
1372 return rval;
1373
1374 ha->isp_ops->read_optrom(vha, ha->optrom_buffer,
1375 ha->optrom_region_start, ha->optrom_region_size);
1376
1377 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1378 bsg_job->reply_payload.sg_cnt, ha->optrom_buffer,
1379 ha->optrom_region_size);
1380
1381 bsg_job->reply->reply_payload_rcv_len = ha->optrom_region_size;
1382 bsg_job->reply->result = DID_OK;
1383 vfree(ha->optrom_buffer);
1384 ha->optrom_buffer = NULL;
1385 ha->optrom_state = QLA_SWAITING;
1386 bsg_job->job_done(bsg_job);
1387 return rval;
1388 }
1389
1390 static int
1391 qla2x00_update_optrom(struct fc_bsg_job *bsg_job)
1392 {
1393 struct Scsi_Host *host = bsg_job->shost;
1394 scsi_qla_host_t *vha = shost_priv(host);
1395 struct qla_hw_data *ha = vha->hw;
1396 int rval = 0;
1397
1398 rval = qla2x00_optrom_setup(bsg_job, vha, 1);
1399 if (rval)
1400 return rval;
1401
1402 /* Set the isp82xx_no_md_cap not to capture minidump */
1403 ha->flags.isp82xx_no_md_cap = 1;
1404
1405 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1406 bsg_job->request_payload.sg_cnt, ha->optrom_buffer,
1407 ha->optrom_region_size);
1408
1409 ha->isp_ops->write_optrom(vha, ha->optrom_buffer,
1410 ha->optrom_region_start, ha->optrom_region_size);
1411
1412 bsg_job->reply->result = DID_OK;
1413 vfree(ha->optrom_buffer);
1414 ha->optrom_buffer = NULL;
1415 ha->optrom_state = QLA_SWAITING;
1416 bsg_job->job_done(bsg_job);
1417 return rval;
1418 }
1419
1420 static int
1421 qla2x00_update_fru_versions(struct fc_bsg_job *bsg_job)
1422 {
1423 struct Scsi_Host *host = bsg_job->shost;
1424 scsi_qla_host_t *vha = shost_priv(host);
1425 struct qla_hw_data *ha = vha->hw;
1426 int rval = 0;
1427 uint8_t bsg[DMA_POOL_SIZE];
1428 struct qla_image_version_list *list = (void *)bsg;
1429 struct qla_image_version *image;
1430 uint32_t count;
1431 dma_addr_t sfp_dma;
1432 void *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1433 if (!sfp) {
1434 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
1435 EXT_STATUS_NO_MEMORY;
1436 goto done;
1437 }
1438
1439 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1440 bsg_job->request_payload.sg_cnt, list, sizeof(bsg));
1441
1442 image = list->version;
1443 count = list->count;
1444 while (count--) {
1445 memcpy(sfp, &image->field_info, sizeof(image->field_info));
1446 rval = qla2x00_write_sfp(vha, sfp_dma, sfp,
1447 image->field_address.device, image->field_address.offset,
1448 sizeof(image->field_info), image->field_address.option);
1449 if (rval) {
1450 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
1451 EXT_STATUS_MAILBOX;
1452 goto dealloc;
1453 }
1454 image++;
1455 }
1456
1457 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1458
1459 dealloc:
1460 dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1461
1462 done:
1463 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1464 bsg_job->reply->result = DID_OK << 16;
1465 bsg_job->job_done(bsg_job);
1466
1467 return 0;
1468 }
1469
1470 static int
1471 qla2x00_read_fru_status(struct fc_bsg_job *bsg_job)
1472 {
1473 struct Scsi_Host *host = bsg_job->shost;
1474 scsi_qla_host_t *vha = shost_priv(host);
1475 struct qla_hw_data *ha = vha->hw;
1476 int rval = 0;
1477 uint8_t bsg[DMA_POOL_SIZE];
1478 struct qla_status_reg *sr = (void *)bsg;
1479 dma_addr_t sfp_dma;
1480 uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1481 if (!sfp) {
1482 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
1483 EXT_STATUS_NO_MEMORY;
1484 goto done;
1485 }
1486
1487 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1488 bsg_job->request_payload.sg_cnt, sr, sizeof(*sr));
1489
1490 rval = qla2x00_read_sfp(vha, sfp_dma, sfp,
1491 sr->field_address.device, sr->field_address.offset,
1492 sizeof(sr->status_reg), sr->field_address.option);
1493 sr->status_reg = *sfp;
1494
1495 if (rval) {
1496 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
1497 EXT_STATUS_MAILBOX;
1498 goto dealloc;
1499 }
1500
1501 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1502 bsg_job->reply_payload.sg_cnt, sr, sizeof(*sr));
1503
1504 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1505
1506 dealloc:
1507 dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1508
1509 done:
1510 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1511 bsg_job->reply->reply_payload_rcv_len = sizeof(*sr);
1512 bsg_job->reply->result = DID_OK << 16;
1513 bsg_job->job_done(bsg_job);
1514
1515 return 0;
1516 }
1517
1518 static int
1519 qla2x00_write_fru_status(struct fc_bsg_job *bsg_job)
1520 {
1521 struct Scsi_Host *host = bsg_job->shost;
1522 scsi_qla_host_t *vha = shost_priv(host);
1523 struct qla_hw_data *ha = vha->hw;
1524 int rval = 0;
1525 uint8_t bsg[DMA_POOL_SIZE];
1526 struct qla_status_reg *sr = (void *)bsg;
1527 dma_addr_t sfp_dma;
1528 uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1529 if (!sfp) {
1530 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
1531 EXT_STATUS_NO_MEMORY;
1532 goto done;
1533 }
1534
1535 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1536 bsg_job->request_payload.sg_cnt, sr, sizeof(*sr));
1537
1538 *sfp = sr->status_reg;
1539 rval = qla2x00_write_sfp(vha, sfp_dma, sfp,
1540 sr->field_address.device, sr->field_address.offset,
1541 sizeof(sr->status_reg), sr->field_address.option);
1542
1543 if (rval) {
1544 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
1545 EXT_STATUS_MAILBOX;
1546 goto dealloc;
1547 }
1548
1549 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1550
1551 dealloc:
1552 dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1553
1554 done:
1555 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1556 bsg_job->reply->result = DID_OK << 16;
1557 bsg_job->job_done(bsg_job);
1558
1559 return 0;
1560 }
1561
1562 static int
1563 qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job)
1564 {
1565 switch (bsg_job->request->rqst_data.h_vendor.vendor_cmd[0]) {
1566 case QL_VND_LOOPBACK:
1567 return qla2x00_process_loopback(bsg_job);
1568
1569 case QL_VND_A84_RESET:
1570 return qla84xx_reset(bsg_job);
1571
1572 case QL_VND_A84_UPDATE_FW:
1573 return qla84xx_updatefw(bsg_job);
1574
1575 case QL_VND_A84_MGMT_CMD:
1576 return qla84xx_mgmt_cmd(bsg_job);
1577
1578 case QL_VND_IIDMA:
1579 return qla24xx_iidma(bsg_job);
1580
1581 case QL_VND_FCP_PRIO_CFG_CMD:
1582 return qla24xx_proc_fcp_prio_cfg_cmd(bsg_job);
1583
1584 case QL_VND_READ_FLASH:
1585 return qla2x00_read_optrom(bsg_job);
1586
1587 case QL_VND_UPDATE_FLASH:
1588 return qla2x00_update_optrom(bsg_job);
1589
1590 case QL_VND_SET_FRU_VERSION:
1591 return qla2x00_update_fru_versions(bsg_job);
1592
1593 case QL_VND_READ_FRU_STATUS:
1594 return qla2x00_read_fru_status(bsg_job);
1595
1596 case QL_VND_WRITE_FRU_STATUS:
1597 return qla2x00_write_fru_status(bsg_job);
1598
1599 default:
1600 bsg_job->reply->result = (DID_ERROR << 16);
1601 bsg_job->job_done(bsg_job);
1602 return -ENOSYS;
1603 }
1604 }
1605
1606 int
1607 qla24xx_bsg_request(struct fc_bsg_job *bsg_job)
1608 {
1609 int ret = -EINVAL;
1610 struct fc_rport *rport;
1611 fc_port_t *fcport = NULL;
1612 struct Scsi_Host *host;
1613 scsi_qla_host_t *vha;
1614
1615 /* In case no data transferred. */
1616 bsg_job->reply->reply_payload_rcv_len = 0;
1617
1618 if (bsg_job->request->msgcode == FC_BSG_RPT_ELS) {
1619 rport = bsg_job->rport;
1620 fcport = *(fc_port_t **) rport->dd_data;
1621 host = rport_to_shost(rport);
1622 vha = shost_priv(host);
1623 } else {
1624 host = bsg_job->shost;
1625 vha = shost_priv(host);
1626 }
1627
1628 if (qla2x00_reset_active(vha)) {
1629 ql_dbg(ql_dbg_user, vha, 0x709f,
1630 "BSG: ISP abort active/needed -- cmd=%d.\n",
1631 bsg_job->request->msgcode);
1632 bsg_job->reply->result = (DID_ERROR << 16);
1633 bsg_job->job_done(bsg_job);
1634 return -EBUSY;
1635 }
1636
1637 ql_dbg(ql_dbg_user, vha, 0x7000,
1638 "Entered %s msgcode=0x%x.\n", __func__, bsg_job->request->msgcode);
1639
1640 switch (bsg_job->request->msgcode) {
1641 case FC_BSG_RPT_ELS:
1642 case FC_BSG_HST_ELS_NOLOGIN:
1643 ret = qla2x00_process_els(bsg_job);
1644 break;
1645 case FC_BSG_HST_CT:
1646 ret = qla2x00_process_ct(bsg_job);
1647 break;
1648 case FC_BSG_HST_VENDOR:
1649 ret = qla2x00_process_vendor_specific(bsg_job);
1650 break;
1651 case FC_BSG_HST_ADD_RPORT:
1652 case FC_BSG_HST_DEL_RPORT:
1653 case FC_BSG_RPT_CT:
1654 default:
1655 ql_log(ql_log_warn, vha, 0x705a, "Unsupported BSG request.\n");
1656 bsg_job->reply->result = ret;
1657 break;
1658 }
1659 return ret;
1660 }
1661
1662 int
1663 qla24xx_bsg_timeout(struct fc_bsg_job *bsg_job)
1664 {
1665 scsi_qla_host_t *vha = shost_priv(bsg_job->shost);
1666 struct qla_hw_data *ha = vha->hw;
1667 srb_t *sp;
1668 int cnt, que;
1669 unsigned long flags;
1670 struct req_que *req;
1671
1672 /* find the bsg job from the active list of commands */
1673 spin_lock_irqsave(&ha->hardware_lock, flags);
1674 for (que = 0; que < ha->max_req_queues; que++) {
1675 req = ha->req_q_map[que];
1676 if (!req)
1677 continue;
1678
1679 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1680 sp = req->outstanding_cmds[cnt];
1681 if (sp) {
1682 if (((sp->type == SRB_CT_CMD) ||
1683 (sp->type == SRB_ELS_CMD_HST))
1684 && (sp->u.bsg_job == bsg_job)) {
1685 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1686 if (ha->isp_ops->abort_command(sp)) {
1687 ql_log(ql_log_warn, vha, 0x7089,
1688 "mbx abort_command "
1689 "failed.\n");
1690 bsg_job->req->errors =
1691 bsg_job->reply->result = -EIO;
1692 } else {
1693 ql_dbg(ql_dbg_user, vha, 0x708a,
1694 "mbx abort_command "
1695 "success.\n");
1696 bsg_job->req->errors =
1697 bsg_job->reply->result = 0;
1698 }
1699 spin_lock_irqsave(&ha->hardware_lock, flags);
1700 goto done;
1701 }
1702 }
1703 }
1704 }
1705 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1706 ql_log(ql_log_info, vha, 0x708b, "SRB not found to abort.\n");
1707 bsg_job->req->errors = bsg_job->reply->result = -ENXIO;
1708 return 0;
1709
1710 done:
1711 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1712 if (bsg_job->request->msgcode == FC_BSG_HST_CT)
1713 kfree(sp->fcport);
1714 mempool_free(sp, ha->srb_mempool);
1715 return 0;
1716 }
Linux ARM platform port for MOXA ART SoC