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[SCSI] qla2xxx: Changes for ISP83xx loopback support.
[mirror_ubuntu-hirsute-kernel.git] / drivers / scsi / qla2xxx / qla_bsg.c
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 internal or external loopback
535 * depending on the loopback mode.
536 */
537 static inline int
538 qla81xx_set_loopback_mode(scsi_qla_host_t *vha, uint16_t *config,
539 uint16_t *new_config, uint16_t mode)
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 if (mode == INTERNAL_LOOPBACK)
549 new_config[0] = config[0] | (ENABLE_INTERNAL_LOOPBACK << 1);
550 else if (mode == EXTERNAL_LOOPBACK)
551 new_config[0] = config[0] | (ENABLE_EXTERNAL_LOOPBACK << 1);
552 ql_dbg(ql_dbg_user, vha, 0x70be,
553 "new_config[0]=%02x\n", (new_config[0] & INTERNAL_LOOPBACK_MASK));
554
555 memcpy(&new_config[1], &config[1], sizeof(uint16_t) * 3);
556
557 ha->notify_dcbx_comp = 1;
558 ret = qla81xx_set_port_config(vha, new_config);
559 if (ret != QLA_SUCCESS) {
560 ql_log(ql_log_warn, vha, 0x7021,
561 "set port config failed.\n");
562 ha->notify_dcbx_comp = 0;
563 rval = -EINVAL;
564 goto done_set_internal;
565 }
566
567 /* Wait for DCBX complete event */
568 if (!wait_for_completion_timeout(&ha->dcbx_comp, (20 * HZ))) {
569 ql_dbg(ql_dbg_user, vha, 0x7022,
570 "State change notification not received.\n");
571 } else
572 ql_dbg(ql_dbg_user, vha, 0x7023,
573 "State change received.\n");
574
575 ha->notify_dcbx_comp = 0;
576
577 done_set_internal:
578 return rval;
579 }
580
581 /* Disable loopback mode */
582 static inline int
583 qla81xx_reset_loopback_mode(scsi_qla_host_t *vha, uint16_t *config,
584 int wait)
585 {
586 int ret = 0;
587 int rval = 0;
588 uint16_t new_config[4];
589 struct qla_hw_data *ha = vha->hw;
590
591 if (!IS_QLA81XX(ha) && !IS_QLA8031(ha))
592 goto done_reset_internal;
593
594 memset(new_config, 0 , sizeof(new_config));
595 if ((config[0] & INTERNAL_LOOPBACK_MASK) >> 1 ==
596 ENABLE_INTERNAL_LOOPBACK ||
597 (config[0] & INTERNAL_LOOPBACK_MASK) >> 1 ==
598 ENABLE_EXTERNAL_LOOPBACK) {
599 new_config[0] = config[0] & ~INTERNAL_LOOPBACK_MASK;
600 ql_dbg(ql_dbg_user, vha, 0x70bf, "new_config[0]=%02x\n",
601 (new_config[0] & INTERNAL_LOOPBACK_MASK));
602 memcpy(&new_config[1], &config[1], sizeof(uint16_t) * 3) ;
603
604 ha->notify_dcbx_comp = wait;
605 ret = qla81xx_set_port_config(vha, new_config);
606 if (ret != QLA_SUCCESS) {
607 ql_log(ql_log_warn, vha, 0x7025,
608 "Set port config failed.\n");
609 ha->notify_dcbx_comp = 0;
610 rval = -EINVAL;
611 goto done_reset_internal;
612 }
613
614 /* Wait for DCBX complete event */
615 if (wait && !wait_for_completion_timeout(&ha->dcbx_comp,
616 (20 * HZ))) {
617 ql_dbg(ql_dbg_user, vha, 0x7026,
618 "State change notification not received.\n");
619 ha->notify_dcbx_comp = 0;
620 rval = -EINVAL;
621 goto done_reset_internal;
622 } else
623 ql_dbg(ql_dbg_user, vha, 0x7027,
624 "State change received.\n");
625
626 ha->notify_dcbx_comp = 0;
627 }
628 done_reset_internal:
629 return rval;
630 }
631
632 static int
633 qla2x00_process_loopback(struct fc_bsg_job *bsg_job)
634 {
635 struct Scsi_Host *host = bsg_job->shost;
636 scsi_qla_host_t *vha = shost_priv(host);
637 struct qla_hw_data *ha = vha->hw;
638 int rval;
639 uint8_t command_sent;
640 char *type;
641 struct msg_echo_lb elreq;
642 uint16_t response[MAILBOX_REGISTER_COUNT];
643 uint16_t config[4], new_config[4];
644 uint8_t *fw_sts_ptr;
645 uint8_t *req_data = NULL;
646 dma_addr_t req_data_dma;
647 uint32_t req_data_len;
648 uint8_t *rsp_data = NULL;
649 dma_addr_t rsp_data_dma;
650 uint32_t rsp_data_len;
651
652 if (!vha->flags.online) {
653 ql_log(ql_log_warn, vha, 0x7019, "Host is not online.\n");
654 return -EIO;
655 }
656
657 elreq.req_sg_cnt = dma_map_sg(&ha->pdev->dev,
658 bsg_job->request_payload.sg_list, bsg_job->request_payload.sg_cnt,
659 DMA_TO_DEVICE);
660
661 if (!elreq.req_sg_cnt) {
662 ql_log(ql_log_warn, vha, 0x701a,
663 "dma_map_sg returned %d for request.\n", elreq.req_sg_cnt);
664 return -ENOMEM;
665 }
666
667 elreq.rsp_sg_cnt = dma_map_sg(&ha->pdev->dev,
668 bsg_job->reply_payload.sg_list, bsg_job->reply_payload.sg_cnt,
669 DMA_FROM_DEVICE);
670
671 if (!elreq.rsp_sg_cnt) {
672 ql_log(ql_log_warn, vha, 0x701b,
673 "dma_map_sg returned %d for reply.\n", elreq.rsp_sg_cnt);
674 rval = -ENOMEM;
675 goto done_unmap_req_sg;
676 }
677
678 if ((elreq.req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
679 (elreq.rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
680 ql_log(ql_log_warn, vha, 0x701c,
681 "dma mapping resulted in different sg counts, "
682 "request_sg_cnt: %x dma_request_sg_cnt: %x "
683 "reply_sg_cnt: %x dma_reply_sg_cnt: %x.\n",
684 bsg_job->request_payload.sg_cnt, elreq.req_sg_cnt,
685 bsg_job->reply_payload.sg_cnt, elreq.rsp_sg_cnt);
686 rval = -EAGAIN;
687 goto done_unmap_sg;
688 }
689 req_data_len = rsp_data_len = bsg_job->request_payload.payload_len;
690 req_data = dma_alloc_coherent(&ha->pdev->dev, req_data_len,
691 &req_data_dma, GFP_KERNEL);
692 if (!req_data) {
693 ql_log(ql_log_warn, vha, 0x701d,
694 "dma alloc failed for req_data.\n");
695 rval = -ENOMEM;
696 goto done_unmap_sg;
697 }
698
699 rsp_data = dma_alloc_coherent(&ha->pdev->dev, rsp_data_len,
700 &rsp_data_dma, GFP_KERNEL);
701 if (!rsp_data) {
702 ql_log(ql_log_warn, vha, 0x7004,
703 "dma alloc failed for rsp_data.\n");
704 rval = -ENOMEM;
705 goto done_free_dma_req;
706 }
707
708 /* Copy the request buffer in req_data now */
709 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
710 bsg_job->request_payload.sg_cnt, req_data, req_data_len);
711
712 elreq.send_dma = req_data_dma;
713 elreq.rcv_dma = rsp_data_dma;
714 elreq.transfer_size = req_data_len;
715
716 elreq.options = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
717
718 if (atomic_read(&vha->loop_state) == LOOP_READY &&
719 (ha->current_topology == ISP_CFG_F ||
720 ((IS_QLA81XX(ha) || IS_QLA8031(ha)) &&
721 le32_to_cpu(*(uint32_t *)req_data) == ELS_OPCODE_BYTE
722 && req_data_len == MAX_ELS_FRAME_PAYLOAD)) &&
723 elreq.options == EXTERNAL_LOOPBACK) {
724 type = "FC_BSG_HST_VENDOR_ECHO_DIAG";
725 ql_dbg(ql_dbg_user, vha, 0x701e,
726 "BSG request type: %s.\n", type);
727 command_sent = INT_DEF_LB_ECHO_CMD;
728 rval = qla2x00_echo_test(vha, &elreq, response);
729 } else {
730 if (IS_QLA81XX(ha) || IS_QLA8031(ha)) {
731 memset(config, 0, sizeof(config));
732 memset(new_config, 0, sizeof(new_config));
733 if (qla81xx_get_port_config(vha, config)) {
734 ql_log(ql_log_warn, vha, 0x701f,
735 "Get port config failed.\n");
736 bsg_job->reply->result = (DID_ERROR << 16);
737 rval = -EPERM;
738 goto done_free_dma_req;
739 }
740
741 ql_dbg(ql_dbg_user, vha, 0x70c0,
742 "elreq.options=%04x\n", elreq.options);
743
744 if (elreq.options == EXTERNAL_LOOPBACK)
745 if (IS_QLA8031(ha))
746 rval = qla81xx_set_loopback_mode(vha,
747 config, new_config, elreq.options);
748 else
749 rval = qla81xx_reset_loopback_mode(vha,
750 config, 1);
751 else
752 rval = qla81xx_set_loopback_mode(vha, config,
753 new_config, elreq.options);
754
755 if (rval) {
756 bsg_job->reply->result = (DID_ERROR << 16);
757 rval = -EPERM;
758 goto done_free_dma_req;
759 }
760
761 type = "FC_BSG_HST_VENDOR_LOOPBACK";
762 ql_dbg(ql_dbg_user, vha, 0x7028,
763 "BSG request type: %s.\n", type);
764
765 command_sent = INT_DEF_LB_LOOPBACK_CMD;
766 rval = qla2x00_loopback_test(vha, &elreq, response);
767
768 if (new_config[0]) {
769 /* Revert back to original port config
770 * Also clear internal loopback
771 */
772 qla81xx_reset_loopback_mode(vha,
773 new_config, 0);
774 }
775
776 if (response[0] == MBS_COMMAND_ERROR &&
777 response[1] == MBS_LB_RESET) {
778 ql_log(ql_log_warn, vha, 0x7029,
779 "MBX command error, Aborting ISP.\n");
780 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
781 qla2xxx_wake_dpc(vha);
782 qla2x00_wait_for_chip_reset(vha);
783 /* Also reset the MPI */
784 if (qla81xx_restart_mpi_firmware(vha) !=
785 QLA_SUCCESS) {
786 ql_log(ql_log_warn, vha, 0x702a,
787 "MPI reset failed.\n");
788 }
789
790 bsg_job->reply->result = (DID_ERROR << 16);
791 rval = -EIO;
792 goto done_free_dma_req;
793 }
794 } else {
795 type = "FC_BSG_HST_VENDOR_LOOPBACK";
796 ql_dbg(ql_dbg_user, vha, 0x702b,
797 "BSG request type: %s.\n", type);
798 command_sent = INT_DEF_LB_LOOPBACK_CMD;
799 rval = qla2x00_loopback_test(vha, &elreq, response);
800 }
801 }
802
803 if (rval) {
804 ql_log(ql_log_warn, vha, 0x702c,
805 "Vendor request %s failed.\n", type);
806
807 fw_sts_ptr = ((uint8_t *)bsg_job->req->sense) +
808 sizeof(struct fc_bsg_reply);
809
810 memcpy(fw_sts_ptr, response, sizeof(response));
811 fw_sts_ptr += sizeof(response);
812 *fw_sts_ptr = command_sent;
813 rval = 0;
814 bsg_job->reply->result = (DID_ERROR << 16);
815 } else {
816 ql_dbg(ql_dbg_user, vha, 0x702d,
817 "Vendor request %s completed.\n", type);
818
819 bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
820 sizeof(response) + sizeof(uint8_t);
821 bsg_job->reply->reply_payload_rcv_len =
822 bsg_job->reply_payload.payload_len;
823 fw_sts_ptr = ((uint8_t *)bsg_job->req->sense) +
824 sizeof(struct fc_bsg_reply);
825 memcpy(fw_sts_ptr, response, sizeof(response));
826 fw_sts_ptr += sizeof(response);
827 *fw_sts_ptr = command_sent;
828 bsg_job->reply->result = DID_OK;
829 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
830 bsg_job->reply_payload.sg_cnt, rsp_data,
831 rsp_data_len);
832 }
833 bsg_job->job_done(bsg_job);
834
835 dma_free_coherent(&ha->pdev->dev, rsp_data_len,
836 rsp_data, rsp_data_dma);
837 done_free_dma_req:
838 dma_free_coherent(&ha->pdev->dev, req_data_len,
839 req_data, req_data_dma);
840 done_unmap_sg:
841 dma_unmap_sg(&ha->pdev->dev,
842 bsg_job->reply_payload.sg_list,
843 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
844 done_unmap_req_sg:
845 dma_unmap_sg(&ha->pdev->dev,
846 bsg_job->request_payload.sg_list,
847 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
848 return rval;
849 }
850
851 static int
852 qla84xx_reset(struct fc_bsg_job *bsg_job)
853 {
854 struct Scsi_Host *host = bsg_job->shost;
855 scsi_qla_host_t *vha = shost_priv(host);
856 struct qla_hw_data *ha = vha->hw;
857 int rval = 0;
858 uint32_t flag;
859
860 if (!IS_QLA84XX(ha)) {
861 ql_dbg(ql_dbg_user, vha, 0x702f, "Not 84xx, exiting.\n");
862 return -EINVAL;
863 }
864
865 flag = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
866
867 rval = qla84xx_reset_chip(vha, flag == A84_ISSUE_RESET_DIAG_FW);
868
869 if (rval) {
870 ql_log(ql_log_warn, vha, 0x7030,
871 "Vendor request 84xx reset failed.\n");
872 rval = 0;
873 bsg_job->reply->result = (DID_ERROR << 16);
874
875 } else {
876 ql_dbg(ql_dbg_user, vha, 0x7031,
877 "Vendor request 84xx reset completed.\n");
878 bsg_job->reply->result = DID_OK;
879 }
880
881 bsg_job->job_done(bsg_job);
882 return rval;
883 }
884
885 static int
886 qla84xx_updatefw(struct fc_bsg_job *bsg_job)
887 {
888 struct Scsi_Host *host = bsg_job->shost;
889 scsi_qla_host_t *vha = shost_priv(host);
890 struct qla_hw_data *ha = vha->hw;
891 struct verify_chip_entry_84xx *mn = NULL;
892 dma_addr_t mn_dma, fw_dma;
893 void *fw_buf = NULL;
894 int rval = 0;
895 uint32_t sg_cnt;
896 uint32_t data_len;
897 uint16_t options;
898 uint32_t flag;
899 uint32_t fw_ver;
900
901 if (!IS_QLA84XX(ha)) {
902 ql_dbg(ql_dbg_user, vha, 0x7032,
903 "Not 84xx, exiting.\n");
904 return -EINVAL;
905 }
906
907 sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
908 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
909 if (!sg_cnt) {
910 ql_log(ql_log_warn, vha, 0x7033,
911 "dma_map_sg returned %d for request.\n", sg_cnt);
912 return -ENOMEM;
913 }
914
915 if (sg_cnt != bsg_job->request_payload.sg_cnt) {
916 ql_log(ql_log_warn, vha, 0x7034,
917 "DMA mapping resulted in different sg counts, "
918 "request_sg_cnt: %x dma_request_sg_cnt: %x.\n",
919 bsg_job->request_payload.sg_cnt, sg_cnt);
920 rval = -EAGAIN;
921 goto done_unmap_sg;
922 }
923
924 data_len = bsg_job->request_payload.payload_len;
925 fw_buf = dma_alloc_coherent(&ha->pdev->dev, data_len,
926 &fw_dma, GFP_KERNEL);
927 if (!fw_buf) {
928 ql_log(ql_log_warn, vha, 0x7035,
929 "DMA alloc failed for fw_buf.\n");
930 rval = -ENOMEM;
931 goto done_unmap_sg;
932 }
933
934 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
935 bsg_job->request_payload.sg_cnt, fw_buf, data_len);
936
937 mn = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &mn_dma);
938 if (!mn) {
939 ql_log(ql_log_warn, vha, 0x7036,
940 "DMA alloc failed for fw buffer.\n");
941 rval = -ENOMEM;
942 goto done_free_fw_buf;
943 }
944
945 flag = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
946 fw_ver = le32_to_cpu(*((uint32_t *)((uint32_t *)fw_buf + 2)));
947
948 memset(mn, 0, sizeof(struct access_chip_84xx));
949 mn->entry_type = VERIFY_CHIP_IOCB_TYPE;
950 mn->entry_count = 1;
951
952 options = VCO_FORCE_UPDATE | VCO_END_OF_DATA;
953 if (flag == A84_ISSUE_UPDATE_DIAGFW_CMD)
954 options |= VCO_DIAG_FW;
955
956 mn->options = cpu_to_le16(options);
957 mn->fw_ver = cpu_to_le32(fw_ver);
958 mn->fw_size = cpu_to_le32(data_len);
959 mn->fw_seq_size = cpu_to_le32(data_len);
960 mn->dseg_address[0] = cpu_to_le32(LSD(fw_dma));
961 mn->dseg_address[1] = cpu_to_le32(MSD(fw_dma));
962 mn->dseg_length = cpu_to_le32(data_len);
963 mn->data_seg_cnt = cpu_to_le16(1);
964
965 rval = qla2x00_issue_iocb_timeout(vha, mn, mn_dma, 0, 120);
966
967 if (rval) {
968 ql_log(ql_log_warn, vha, 0x7037,
969 "Vendor request 84xx updatefw failed.\n");
970
971 rval = 0;
972 bsg_job->reply->result = (DID_ERROR << 16);
973 } else {
974 ql_dbg(ql_dbg_user, vha, 0x7038,
975 "Vendor request 84xx updatefw completed.\n");
976
977 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
978 bsg_job->reply->result = DID_OK;
979 }
980
981 bsg_job->job_done(bsg_job);
982 dma_pool_free(ha->s_dma_pool, mn, mn_dma);
983
984 done_free_fw_buf:
985 dma_free_coherent(&ha->pdev->dev, data_len, fw_buf, fw_dma);
986
987 done_unmap_sg:
988 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
989 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
990
991 return rval;
992 }
993
994 static int
995 qla84xx_mgmt_cmd(struct fc_bsg_job *bsg_job)
996 {
997 struct Scsi_Host *host = bsg_job->shost;
998 scsi_qla_host_t *vha = shost_priv(host);
999 struct qla_hw_data *ha = vha->hw;
1000 struct access_chip_84xx *mn = NULL;
1001 dma_addr_t mn_dma, mgmt_dma;
1002 void *mgmt_b = NULL;
1003 int rval = 0;
1004 struct qla_bsg_a84_mgmt *ql84_mgmt;
1005 uint32_t sg_cnt;
1006 uint32_t data_len = 0;
1007 uint32_t dma_direction = DMA_NONE;
1008
1009 if (!IS_QLA84XX(ha)) {
1010 ql_log(ql_log_warn, vha, 0x703a,
1011 "Not 84xx, exiting.\n");
1012 return -EINVAL;
1013 }
1014
1015 ql84_mgmt = (struct qla_bsg_a84_mgmt *)((char *)bsg_job->request +
1016 sizeof(struct fc_bsg_request));
1017 if (!ql84_mgmt) {
1018 ql_log(ql_log_warn, vha, 0x703b,
1019 "MGMT header not provided, exiting.\n");
1020 return -EINVAL;
1021 }
1022
1023 mn = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &mn_dma);
1024 if (!mn) {
1025 ql_log(ql_log_warn, vha, 0x703c,
1026 "DMA alloc failed for fw buffer.\n");
1027 return -ENOMEM;
1028 }
1029
1030 memset(mn, 0, sizeof(struct access_chip_84xx));
1031 mn->entry_type = ACCESS_CHIP_IOCB_TYPE;
1032 mn->entry_count = 1;
1033
1034 switch (ql84_mgmt->mgmt.cmd) {
1035 case QLA84_MGMT_READ_MEM:
1036 case QLA84_MGMT_GET_INFO:
1037 sg_cnt = dma_map_sg(&ha->pdev->dev,
1038 bsg_job->reply_payload.sg_list,
1039 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
1040 if (!sg_cnt) {
1041 ql_log(ql_log_warn, vha, 0x703d,
1042 "dma_map_sg returned %d for reply.\n", sg_cnt);
1043 rval = -ENOMEM;
1044 goto exit_mgmt;
1045 }
1046
1047 dma_direction = DMA_FROM_DEVICE;
1048
1049 if (sg_cnt != bsg_job->reply_payload.sg_cnt) {
1050 ql_log(ql_log_warn, vha, 0x703e,
1051 "DMA mapping resulted in different sg counts, "
1052 "reply_sg_cnt: %x dma_reply_sg_cnt: %x.\n",
1053 bsg_job->reply_payload.sg_cnt, sg_cnt);
1054 rval = -EAGAIN;
1055 goto done_unmap_sg;
1056 }
1057
1058 data_len = bsg_job->reply_payload.payload_len;
1059
1060 mgmt_b = dma_alloc_coherent(&ha->pdev->dev, data_len,
1061 &mgmt_dma, GFP_KERNEL);
1062 if (!mgmt_b) {
1063 ql_log(ql_log_warn, vha, 0x703f,
1064 "DMA alloc failed for mgmt_b.\n");
1065 rval = -ENOMEM;
1066 goto done_unmap_sg;
1067 }
1068
1069 if (ql84_mgmt->mgmt.cmd == QLA84_MGMT_READ_MEM) {
1070 mn->options = cpu_to_le16(ACO_DUMP_MEMORY);
1071 mn->parameter1 =
1072 cpu_to_le32(
1073 ql84_mgmt->mgmt.mgmtp.u.mem.start_addr);
1074
1075 } else if (ql84_mgmt->mgmt.cmd == QLA84_MGMT_GET_INFO) {
1076 mn->options = cpu_to_le16(ACO_REQUEST_INFO);
1077 mn->parameter1 =
1078 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.info.type);
1079
1080 mn->parameter2 =
1081 cpu_to_le32(
1082 ql84_mgmt->mgmt.mgmtp.u.info.context);
1083 }
1084 break;
1085
1086 case QLA84_MGMT_WRITE_MEM:
1087 sg_cnt = dma_map_sg(&ha->pdev->dev,
1088 bsg_job->request_payload.sg_list,
1089 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1090
1091 if (!sg_cnt) {
1092 ql_log(ql_log_warn, vha, 0x7040,
1093 "dma_map_sg returned %d.\n", sg_cnt);
1094 rval = -ENOMEM;
1095 goto exit_mgmt;
1096 }
1097
1098 dma_direction = DMA_TO_DEVICE;
1099
1100 if (sg_cnt != bsg_job->request_payload.sg_cnt) {
1101 ql_log(ql_log_warn, vha, 0x7041,
1102 "DMA mapping resulted in different sg counts, "
1103 "request_sg_cnt: %x dma_request_sg_cnt: %x.\n",
1104 bsg_job->request_payload.sg_cnt, sg_cnt);
1105 rval = -EAGAIN;
1106 goto done_unmap_sg;
1107 }
1108
1109 data_len = bsg_job->request_payload.payload_len;
1110 mgmt_b = dma_alloc_coherent(&ha->pdev->dev, data_len,
1111 &mgmt_dma, GFP_KERNEL);
1112 if (!mgmt_b) {
1113 ql_log(ql_log_warn, vha, 0x7042,
1114 "DMA alloc failed for mgmt_b.\n");
1115 rval = -ENOMEM;
1116 goto done_unmap_sg;
1117 }
1118
1119 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1120 bsg_job->request_payload.sg_cnt, mgmt_b, data_len);
1121
1122 mn->options = cpu_to_le16(ACO_LOAD_MEMORY);
1123 mn->parameter1 =
1124 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.mem.start_addr);
1125 break;
1126
1127 case QLA84_MGMT_CHNG_CONFIG:
1128 mn->options = cpu_to_le16(ACO_CHANGE_CONFIG_PARAM);
1129 mn->parameter1 =
1130 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.id);
1131
1132 mn->parameter2 =
1133 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.param0);
1134
1135 mn->parameter3 =
1136 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.param1);
1137 break;
1138
1139 default:
1140 rval = -EIO;
1141 goto exit_mgmt;
1142 }
1143
1144 if (ql84_mgmt->mgmt.cmd != QLA84_MGMT_CHNG_CONFIG) {
1145 mn->total_byte_cnt = cpu_to_le32(ql84_mgmt->mgmt.len);
1146 mn->dseg_count = cpu_to_le16(1);
1147 mn->dseg_address[0] = cpu_to_le32(LSD(mgmt_dma));
1148 mn->dseg_address[1] = cpu_to_le32(MSD(mgmt_dma));
1149 mn->dseg_length = cpu_to_le32(ql84_mgmt->mgmt.len);
1150 }
1151
1152 rval = qla2x00_issue_iocb(vha, mn, mn_dma, 0);
1153
1154 if (rval) {
1155 ql_log(ql_log_warn, vha, 0x7043,
1156 "Vendor request 84xx mgmt failed.\n");
1157
1158 rval = 0;
1159 bsg_job->reply->result = (DID_ERROR << 16);
1160
1161 } else {
1162 ql_dbg(ql_dbg_user, vha, 0x7044,
1163 "Vendor request 84xx mgmt completed.\n");
1164
1165 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1166 bsg_job->reply->result = DID_OK;
1167
1168 if ((ql84_mgmt->mgmt.cmd == QLA84_MGMT_READ_MEM) ||
1169 (ql84_mgmt->mgmt.cmd == QLA84_MGMT_GET_INFO)) {
1170 bsg_job->reply->reply_payload_rcv_len =
1171 bsg_job->reply_payload.payload_len;
1172
1173 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1174 bsg_job->reply_payload.sg_cnt, mgmt_b,
1175 data_len);
1176 }
1177 }
1178
1179 bsg_job->job_done(bsg_job);
1180
1181 done_unmap_sg:
1182 if (mgmt_b)
1183 dma_free_coherent(&ha->pdev->dev, data_len, mgmt_b, mgmt_dma);
1184
1185 if (dma_direction == DMA_TO_DEVICE)
1186 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
1187 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1188 else if (dma_direction == DMA_FROM_DEVICE)
1189 dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
1190 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
1191
1192 exit_mgmt:
1193 dma_pool_free(ha->s_dma_pool, mn, mn_dma);
1194
1195 return rval;
1196 }
1197
1198 static int
1199 qla24xx_iidma(struct fc_bsg_job *bsg_job)
1200 {
1201 struct Scsi_Host *host = bsg_job->shost;
1202 scsi_qla_host_t *vha = shost_priv(host);
1203 int rval = 0;
1204 struct qla_port_param *port_param = NULL;
1205 fc_port_t *fcport = NULL;
1206 uint16_t mb[MAILBOX_REGISTER_COUNT];
1207 uint8_t *rsp_ptr = NULL;
1208
1209 if (!IS_IIDMA_CAPABLE(vha->hw)) {
1210 ql_log(ql_log_info, vha, 0x7046, "iiDMA not supported.\n");
1211 return -EINVAL;
1212 }
1213
1214 port_param = (struct qla_port_param *)((char *)bsg_job->request +
1215 sizeof(struct fc_bsg_request));
1216 if (!port_param) {
1217 ql_log(ql_log_warn, vha, 0x7047,
1218 "port_param header not provided.\n");
1219 return -EINVAL;
1220 }
1221
1222 if (port_param->fc_scsi_addr.dest_type != EXT_DEF_TYPE_WWPN) {
1223 ql_log(ql_log_warn, vha, 0x7048,
1224 "Invalid destination type.\n");
1225 return -EINVAL;
1226 }
1227
1228 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1229 if (fcport->port_type != FCT_TARGET)
1230 continue;
1231
1232 if (memcmp(port_param->fc_scsi_addr.dest_addr.wwpn,
1233 fcport->port_name, sizeof(fcport->port_name)))
1234 continue;
1235 break;
1236 }
1237
1238 if (!fcport) {
1239 ql_log(ql_log_warn, vha, 0x7049,
1240 "Failed to find port.\n");
1241 return -EINVAL;
1242 }
1243
1244 if (atomic_read(&fcport->state) != FCS_ONLINE) {
1245 ql_log(ql_log_warn, vha, 0x704a,
1246 "Port is not online.\n");
1247 return -EINVAL;
1248 }
1249
1250 if (fcport->flags & FCF_LOGIN_NEEDED) {
1251 ql_log(ql_log_warn, vha, 0x704b,
1252 "Remote port not logged in flags = 0x%x.\n", fcport->flags);
1253 return -EINVAL;
1254 }
1255
1256 if (port_param->mode)
1257 rval = qla2x00_set_idma_speed(vha, fcport->loop_id,
1258 port_param->speed, mb);
1259 else
1260 rval = qla2x00_get_idma_speed(vha, fcport->loop_id,
1261 &port_param->speed, mb);
1262
1263 if (rval) {
1264 ql_log(ql_log_warn, vha, 0x704c,
1265 "iIDMA cmd failed for %02x%02x%02x%02x%02x%02x%02x%02x -- "
1266 "%04x %x %04x %04x.\n", fcport->port_name[0],
1267 fcport->port_name[1], fcport->port_name[2],
1268 fcport->port_name[3], fcport->port_name[4],
1269 fcport->port_name[5], fcport->port_name[6],
1270 fcport->port_name[7], rval, fcport->fp_speed, mb[0], mb[1]);
1271 rval = 0;
1272 bsg_job->reply->result = (DID_ERROR << 16);
1273
1274 } else {
1275 if (!port_param->mode) {
1276 bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
1277 sizeof(struct qla_port_param);
1278
1279 rsp_ptr = ((uint8_t *)bsg_job->reply) +
1280 sizeof(struct fc_bsg_reply);
1281
1282 memcpy(rsp_ptr, port_param,
1283 sizeof(struct qla_port_param));
1284 }
1285
1286 bsg_job->reply->result = DID_OK;
1287 }
1288
1289 bsg_job->job_done(bsg_job);
1290 return rval;
1291 }
1292
1293 static int
1294 qla2x00_optrom_setup(struct fc_bsg_job *bsg_job, scsi_qla_host_t *vha,
1295 uint8_t is_update)
1296 {
1297 uint32_t start = 0;
1298 int valid = 0;
1299 struct qla_hw_data *ha = vha->hw;
1300
1301 if (unlikely(pci_channel_offline(ha->pdev)))
1302 return -EINVAL;
1303
1304 start = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
1305 if (start > ha->optrom_size) {
1306 ql_log(ql_log_warn, vha, 0x7055,
1307 "start %d > optrom_size %d.\n", start, ha->optrom_size);
1308 return -EINVAL;
1309 }
1310
1311 if (ha->optrom_state != QLA_SWAITING) {
1312 ql_log(ql_log_info, vha, 0x7056,
1313 "optrom_state %d.\n", ha->optrom_state);
1314 return -EBUSY;
1315 }
1316
1317 ha->optrom_region_start = start;
1318 ql_dbg(ql_dbg_user, vha, 0x7057, "is_update=%d.\n", is_update);
1319 if (is_update) {
1320 if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0)
1321 valid = 1;
1322 else if (start == (ha->flt_region_boot * 4) ||
1323 start == (ha->flt_region_fw * 4))
1324 valid = 1;
1325 else if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha) ||
1326 IS_CNA_CAPABLE(ha) || IS_QLA2031(ha))
1327 valid = 1;
1328 if (!valid) {
1329 ql_log(ql_log_warn, vha, 0x7058,
1330 "Invalid start region 0x%x/0x%x.\n", start,
1331 bsg_job->request_payload.payload_len);
1332 return -EINVAL;
1333 }
1334
1335 ha->optrom_region_size = start +
1336 bsg_job->request_payload.payload_len > ha->optrom_size ?
1337 ha->optrom_size - start :
1338 bsg_job->request_payload.payload_len;
1339 ha->optrom_state = QLA_SWRITING;
1340 } else {
1341 ha->optrom_region_size = start +
1342 bsg_job->reply_payload.payload_len > ha->optrom_size ?
1343 ha->optrom_size - start :
1344 bsg_job->reply_payload.payload_len;
1345 ha->optrom_state = QLA_SREADING;
1346 }
1347
1348 ha->optrom_buffer = vmalloc(ha->optrom_region_size);
1349 if (!ha->optrom_buffer) {
1350 ql_log(ql_log_warn, vha, 0x7059,
1351 "Read: Unable to allocate memory for optrom retrieval "
1352 "(%x)\n", ha->optrom_region_size);
1353
1354 ha->optrom_state = QLA_SWAITING;
1355 return -ENOMEM;
1356 }
1357
1358 memset(ha->optrom_buffer, 0, ha->optrom_region_size);
1359 return 0;
1360 }
1361
1362 static int
1363 qla2x00_read_optrom(struct fc_bsg_job *bsg_job)
1364 {
1365 struct Scsi_Host *host = bsg_job->shost;
1366 scsi_qla_host_t *vha = shost_priv(host);
1367 struct qla_hw_data *ha = vha->hw;
1368 int rval = 0;
1369
1370 if (ha->flags.nic_core_reset_hdlr_active)
1371 return -EBUSY;
1372
1373 rval = qla2x00_optrom_setup(bsg_job, vha, 0);
1374 if (rval)
1375 return rval;
1376
1377 ha->isp_ops->read_optrom(vha, ha->optrom_buffer,
1378 ha->optrom_region_start, ha->optrom_region_size);
1379
1380 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1381 bsg_job->reply_payload.sg_cnt, ha->optrom_buffer,
1382 ha->optrom_region_size);
1383
1384 bsg_job->reply->reply_payload_rcv_len = ha->optrom_region_size;
1385 bsg_job->reply->result = DID_OK;
1386 vfree(ha->optrom_buffer);
1387 ha->optrom_buffer = NULL;
1388 ha->optrom_state = QLA_SWAITING;
1389 bsg_job->job_done(bsg_job);
1390 return rval;
1391 }
1392
1393 static int
1394 qla2x00_update_optrom(struct fc_bsg_job *bsg_job)
1395 {
1396 struct Scsi_Host *host = bsg_job->shost;
1397 scsi_qla_host_t *vha = shost_priv(host);
1398 struct qla_hw_data *ha = vha->hw;
1399 int rval = 0;
1400
1401 rval = qla2x00_optrom_setup(bsg_job, vha, 1);
1402 if (rval)
1403 return rval;
1404
1405 /* Set the isp82xx_no_md_cap not to capture minidump */
1406 ha->flags.isp82xx_no_md_cap = 1;
1407
1408 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1409 bsg_job->request_payload.sg_cnt, ha->optrom_buffer,
1410 ha->optrom_region_size);
1411
1412 ha->isp_ops->write_optrom(vha, ha->optrom_buffer,
1413 ha->optrom_region_start, ha->optrom_region_size);
1414
1415 bsg_job->reply->result = DID_OK;
1416 vfree(ha->optrom_buffer);
1417 ha->optrom_buffer = NULL;
1418 ha->optrom_state = QLA_SWAITING;
1419 bsg_job->job_done(bsg_job);
1420 return rval;
1421 }
1422
1423 static int
1424 qla2x00_update_fru_versions(struct fc_bsg_job *bsg_job)
1425 {
1426 struct Scsi_Host *host = bsg_job->shost;
1427 scsi_qla_host_t *vha = shost_priv(host);
1428 struct qla_hw_data *ha = vha->hw;
1429 int rval = 0;
1430 uint8_t bsg[DMA_POOL_SIZE];
1431 struct qla_image_version_list *list = (void *)bsg;
1432 struct qla_image_version *image;
1433 uint32_t count;
1434 dma_addr_t sfp_dma;
1435 void *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1436 if (!sfp) {
1437 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
1438 EXT_STATUS_NO_MEMORY;
1439 goto done;
1440 }
1441
1442 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1443 bsg_job->request_payload.sg_cnt, list, sizeof(bsg));
1444
1445 image = list->version;
1446 count = list->count;
1447 while (count--) {
1448 memcpy(sfp, &image->field_info, sizeof(image->field_info));
1449 rval = qla2x00_write_sfp(vha, sfp_dma, sfp,
1450 image->field_address.device, image->field_address.offset,
1451 sizeof(image->field_info), image->field_address.option);
1452 if (rval) {
1453 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
1454 EXT_STATUS_MAILBOX;
1455 goto dealloc;
1456 }
1457 image++;
1458 }
1459
1460 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1461
1462 dealloc:
1463 dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1464
1465 done:
1466 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1467 bsg_job->reply->result = DID_OK << 16;
1468 bsg_job->job_done(bsg_job);
1469
1470 return 0;
1471 }
1472
1473 static int
1474 qla2x00_read_fru_status(struct fc_bsg_job *bsg_job)
1475 {
1476 struct Scsi_Host *host = bsg_job->shost;
1477 scsi_qla_host_t *vha = shost_priv(host);
1478 struct qla_hw_data *ha = vha->hw;
1479 int rval = 0;
1480 uint8_t bsg[DMA_POOL_SIZE];
1481 struct qla_status_reg *sr = (void *)bsg;
1482 dma_addr_t sfp_dma;
1483 uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1484 if (!sfp) {
1485 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
1486 EXT_STATUS_NO_MEMORY;
1487 goto done;
1488 }
1489
1490 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1491 bsg_job->request_payload.sg_cnt, sr, sizeof(*sr));
1492
1493 rval = qla2x00_read_sfp(vha, sfp_dma, sfp,
1494 sr->field_address.device, sr->field_address.offset,
1495 sizeof(sr->status_reg), sr->field_address.option);
1496 sr->status_reg = *sfp;
1497
1498 if (rval) {
1499 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
1500 EXT_STATUS_MAILBOX;
1501 goto dealloc;
1502 }
1503
1504 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1505 bsg_job->reply_payload.sg_cnt, sr, sizeof(*sr));
1506
1507 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1508
1509 dealloc:
1510 dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1511
1512 done:
1513 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1514 bsg_job->reply->reply_payload_rcv_len = sizeof(*sr);
1515 bsg_job->reply->result = DID_OK << 16;
1516 bsg_job->job_done(bsg_job);
1517
1518 return 0;
1519 }
1520
1521 static int
1522 qla2x00_write_fru_status(struct fc_bsg_job *bsg_job)
1523 {
1524 struct Scsi_Host *host = bsg_job->shost;
1525 scsi_qla_host_t *vha = shost_priv(host);
1526 struct qla_hw_data *ha = vha->hw;
1527 int rval = 0;
1528 uint8_t bsg[DMA_POOL_SIZE];
1529 struct qla_status_reg *sr = (void *)bsg;
1530 dma_addr_t sfp_dma;
1531 uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1532 if (!sfp) {
1533 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
1534 EXT_STATUS_NO_MEMORY;
1535 goto done;
1536 }
1537
1538 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1539 bsg_job->request_payload.sg_cnt, sr, sizeof(*sr));
1540
1541 *sfp = sr->status_reg;
1542 rval = qla2x00_write_sfp(vha, sfp_dma, sfp,
1543 sr->field_address.device, sr->field_address.offset,
1544 sizeof(sr->status_reg), sr->field_address.option);
1545
1546 if (rval) {
1547 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
1548 EXT_STATUS_MAILBOX;
1549 goto dealloc;
1550 }
1551
1552 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1553
1554 dealloc:
1555 dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1556
1557 done:
1558 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1559 bsg_job->reply->result = DID_OK << 16;
1560 bsg_job->job_done(bsg_job);
1561
1562 return 0;
1563 }
1564
1565 static int
1566 qla2x00_write_i2c(struct fc_bsg_job *bsg_job)
1567 {
1568 struct Scsi_Host *host = bsg_job->shost;
1569 scsi_qla_host_t *vha = shost_priv(host);
1570 struct qla_hw_data *ha = vha->hw;
1571 int rval = 0;
1572 uint8_t bsg[DMA_POOL_SIZE];
1573 struct qla_i2c_access *i2c = (void *)bsg;
1574 dma_addr_t sfp_dma;
1575 uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1576 if (!sfp) {
1577 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
1578 EXT_STATUS_NO_MEMORY;
1579 goto done;
1580 }
1581
1582 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1583 bsg_job->request_payload.sg_cnt, i2c, sizeof(*i2c));
1584
1585 memcpy(sfp, i2c->buffer, i2c->length);
1586 rval = qla2x00_write_sfp(vha, sfp_dma, sfp,
1587 i2c->device, i2c->offset, i2c->length, i2c->option);
1588
1589 if (rval) {
1590 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
1591 EXT_STATUS_MAILBOX;
1592 goto dealloc;
1593 }
1594
1595 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1596
1597 dealloc:
1598 dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1599
1600 done:
1601 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1602 bsg_job->reply->result = DID_OK << 16;
1603 bsg_job->job_done(bsg_job);
1604
1605 return 0;
1606 }
1607
1608 static int
1609 qla2x00_read_i2c(struct fc_bsg_job *bsg_job)
1610 {
1611 struct Scsi_Host *host = bsg_job->shost;
1612 scsi_qla_host_t *vha = shost_priv(host);
1613 struct qla_hw_data *ha = vha->hw;
1614 int rval = 0;
1615 uint8_t bsg[DMA_POOL_SIZE];
1616 struct qla_i2c_access *i2c = (void *)bsg;
1617 dma_addr_t sfp_dma;
1618 uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1619 if (!sfp) {
1620 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
1621 EXT_STATUS_NO_MEMORY;
1622 goto done;
1623 }
1624
1625 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1626 bsg_job->request_payload.sg_cnt, i2c, sizeof(*i2c));
1627
1628 rval = qla2x00_read_sfp(vha, sfp_dma, sfp,
1629 i2c->device, i2c->offset, i2c->length, i2c->option);
1630
1631 if (rval) {
1632 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
1633 EXT_STATUS_MAILBOX;
1634 goto dealloc;
1635 }
1636
1637 memcpy(i2c->buffer, sfp, i2c->length);
1638 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1639 bsg_job->reply_payload.sg_cnt, i2c, sizeof(*i2c));
1640
1641 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1642
1643 dealloc:
1644 dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1645
1646 done:
1647 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1648 bsg_job->reply->reply_payload_rcv_len = sizeof(*i2c);
1649 bsg_job->reply->result = DID_OK << 16;
1650 bsg_job->job_done(bsg_job);
1651
1652 return 0;
1653 }
1654
1655 static int
1656 qla24xx_process_bidir_cmd(struct fc_bsg_job *bsg_job)
1657 {
1658 struct Scsi_Host *host = bsg_job->shost;
1659 scsi_qla_host_t *vha = shost_priv(host);
1660 struct qla_hw_data *ha = vha->hw;
1661 uint16_t thread_id;
1662 uint32_t rval = EXT_STATUS_OK;
1663 uint16_t req_sg_cnt = 0;
1664 uint16_t rsp_sg_cnt = 0;
1665 uint16_t nextlid = 0;
1666 uint32_t tot_dsds;
1667 srb_t *sp = NULL;
1668 uint32_t req_data_len = 0;
1669 uint32_t rsp_data_len = 0;
1670
1671 /* Check the type of the adapter */
1672 if (!IS_BIDI_CAPABLE(ha)) {
1673 ql_log(ql_log_warn, vha, 0x70a0,
1674 "This adapter is not supported\n");
1675 rval = EXT_STATUS_NOT_SUPPORTED;
1676 goto done;
1677 }
1678
1679 if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
1680 test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
1681 test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
1682 rval = EXT_STATUS_BUSY;
1683 goto done;
1684 }
1685
1686 /* Check if host is online */
1687 if (!vha->flags.online) {
1688 ql_log(ql_log_warn, vha, 0x70a1,
1689 "Host is not online\n");
1690 rval = EXT_STATUS_DEVICE_OFFLINE;
1691 goto done;
1692 }
1693
1694 /* Check if cable is plugged in or not */
1695 if (vha->device_flags & DFLG_NO_CABLE) {
1696 ql_log(ql_log_warn, vha, 0x70a2,
1697 "Cable is unplugged...\n");
1698 rval = EXT_STATUS_INVALID_CFG;
1699 goto done;
1700 }
1701
1702 /* Check if the switch is connected or not */
1703 if (ha->current_topology != ISP_CFG_F) {
1704 ql_log(ql_log_warn, vha, 0x70a3,
1705 "Host is not connected to the switch\n");
1706 rval = EXT_STATUS_INVALID_CFG;
1707 goto done;
1708 }
1709
1710 /* Check if operating mode is P2P */
1711 if (ha->operating_mode != P2P) {
1712 ql_log(ql_log_warn, vha, 0x70a4,
1713 "Host is operating mode is not P2p\n");
1714 rval = EXT_STATUS_INVALID_CFG;
1715 goto done;
1716 }
1717
1718 thread_id = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
1719
1720 mutex_lock(&ha->selflogin_lock);
1721 if (vha->self_login_loop_id == 0) {
1722 /* Initialize all required fields of fcport */
1723 vha->bidir_fcport.vha = vha;
1724 vha->bidir_fcport.d_id.b.al_pa = vha->d_id.b.al_pa;
1725 vha->bidir_fcport.d_id.b.area = vha->d_id.b.area;
1726 vha->bidir_fcport.d_id.b.domain = vha->d_id.b.domain;
1727 vha->bidir_fcport.loop_id = vha->loop_id;
1728
1729 if (qla2x00_fabric_login(vha, &(vha->bidir_fcport), &nextlid)) {
1730 ql_log(ql_log_warn, vha, 0x70a7,
1731 "Failed to login port %06X for bidirectional IOCB\n",
1732 vha->bidir_fcport.d_id.b24);
1733 mutex_unlock(&ha->selflogin_lock);
1734 rval = EXT_STATUS_MAILBOX;
1735 goto done;
1736 }
1737 vha->self_login_loop_id = nextlid - 1;
1738
1739 }
1740 /* Assign the self login loop id to fcport */
1741 mutex_unlock(&ha->selflogin_lock);
1742
1743 vha->bidir_fcport.loop_id = vha->self_login_loop_id;
1744
1745 req_sg_cnt = dma_map_sg(&ha->pdev->dev,
1746 bsg_job->request_payload.sg_list,
1747 bsg_job->request_payload.sg_cnt,
1748 DMA_TO_DEVICE);
1749
1750 if (!req_sg_cnt) {
1751 rval = EXT_STATUS_NO_MEMORY;
1752 goto done;
1753 }
1754
1755 rsp_sg_cnt = dma_map_sg(&ha->pdev->dev,
1756 bsg_job->reply_payload.sg_list, bsg_job->reply_payload.sg_cnt,
1757 DMA_FROM_DEVICE);
1758
1759 if (!rsp_sg_cnt) {
1760 rval = EXT_STATUS_NO_MEMORY;
1761 goto done_unmap_req_sg;
1762 }
1763
1764 if ((req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
1765 (rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
1766 ql_dbg(ql_dbg_user, vha, 0x70a9,
1767 "Dma mapping resulted in different sg counts "
1768 "[request_sg_cnt: %x dma_request_sg_cnt: %x reply_sg_cnt: "
1769 "%x dma_reply_sg_cnt: %x]\n",
1770 bsg_job->request_payload.sg_cnt, req_sg_cnt,
1771 bsg_job->reply_payload.sg_cnt, rsp_sg_cnt);
1772 rval = EXT_STATUS_NO_MEMORY;
1773 goto done_unmap_sg;
1774 }
1775
1776 if (req_data_len != rsp_data_len) {
1777 rval = EXT_STATUS_BUSY;
1778 ql_log(ql_log_warn, vha, 0x70aa,
1779 "req_data_len != rsp_data_len\n");
1780 goto done_unmap_sg;
1781 }
1782
1783 req_data_len = bsg_job->request_payload.payload_len;
1784 rsp_data_len = bsg_job->reply_payload.payload_len;
1785
1786
1787 /* Alloc SRB structure */
1788 sp = qla2x00_get_sp(vha, &(vha->bidir_fcport), GFP_KERNEL);
1789 if (!sp) {
1790 ql_dbg(ql_dbg_user, vha, 0x70ac,
1791 "Alloc SRB structure failed\n");
1792 rval = EXT_STATUS_NO_MEMORY;
1793 goto done_unmap_sg;
1794 }
1795
1796 /*Populate srb->ctx with bidir ctx*/
1797 sp->u.bsg_job = bsg_job;
1798 sp->free = qla2x00_bsg_sp_free;
1799 sp->type = SRB_BIDI_CMD;
1800 sp->done = qla2x00_bsg_job_done;
1801
1802 /* Add the read and write sg count */
1803 tot_dsds = rsp_sg_cnt + req_sg_cnt;
1804
1805 rval = qla2x00_start_bidir(sp, vha, tot_dsds);
1806 if (rval != EXT_STATUS_OK)
1807 goto done_free_srb;
1808 /* the bsg request will be completed in the interrupt handler */
1809 return rval;
1810
1811 done_free_srb:
1812 mempool_free(sp, ha->srb_mempool);
1813 done_unmap_sg:
1814 dma_unmap_sg(&ha->pdev->dev,
1815 bsg_job->reply_payload.sg_list,
1816 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
1817 done_unmap_req_sg:
1818 dma_unmap_sg(&ha->pdev->dev,
1819 bsg_job->request_payload.sg_list,
1820 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1821 done:
1822
1823 /* Return an error vendor specific response
1824 * and complete the bsg request
1825 */
1826 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = rval;
1827 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1828 bsg_job->reply->reply_payload_rcv_len = 0;
1829 bsg_job->reply->result = (DID_OK) << 16;
1830 bsg_job->job_done(bsg_job);
1831 /* Always retrun success, vendor rsp carries correct status */
1832 return 0;
1833 }
1834
1835 static int
1836 qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job)
1837 {
1838 switch (bsg_job->request->rqst_data.h_vendor.vendor_cmd[0]) {
1839 case QL_VND_LOOPBACK:
1840 return qla2x00_process_loopback(bsg_job);
1841
1842 case QL_VND_A84_RESET:
1843 return qla84xx_reset(bsg_job);
1844
1845 case QL_VND_A84_UPDATE_FW:
1846 return qla84xx_updatefw(bsg_job);
1847
1848 case QL_VND_A84_MGMT_CMD:
1849 return qla84xx_mgmt_cmd(bsg_job);
1850
1851 case QL_VND_IIDMA:
1852 return qla24xx_iidma(bsg_job);
1853
1854 case QL_VND_FCP_PRIO_CFG_CMD:
1855 return qla24xx_proc_fcp_prio_cfg_cmd(bsg_job);
1856
1857 case QL_VND_READ_FLASH:
1858 return qla2x00_read_optrom(bsg_job);
1859
1860 case QL_VND_UPDATE_FLASH:
1861 return qla2x00_update_optrom(bsg_job);
1862
1863 case QL_VND_SET_FRU_VERSION:
1864 return qla2x00_update_fru_versions(bsg_job);
1865
1866 case QL_VND_READ_FRU_STATUS:
1867 return qla2x00_read_fru_status(bsg_job);
1868
1869 case QL_VND_WRITE_FRU_STATUS:
1870 return qla2x00_write_fru_status(bsg_job);
1871
1872 case QL_VND_WRITE_I2C:
1873 return qla2x00_write_i2c(bsg_job);
1874
1875 case QL_VND_READ_I2C:
1876 return qla2x00_read_i2c(bsg_job);
1877
1878 case QL_VND_DIAG_IO_CMD:
1879 return qla24xx_process_bidir_cmd(bsg_job);
1880
1881 default:
1882 bsg_job->reply->result = (DID_ERROR << 16);
1883 bsg_job->job_done(bsg_job);
1884 return -ENOSYS;
1885 }
1886 }
1887
1888 int
1889 qla24xx_bsg_request(struct fc_bsg_job *bsg_job)
1890 {
1891 int ret = -EINVAL;
1892 struct fc_rport *rport;
1893 fc_port_t *fcport = NULL;
1894 struct Scsi_Host *host;
1895 scsi_qla_host_t *vha;
1896
1897 /* In case no data transferred. */
1898 bsg_job->reply->reply_payload_rcv_len = 0;
1899
1900 if (bsg_job->request->msgcode == FC_BSG_RPT_ELS) {
1901 rport = bsg_job->rport;
1902 fcport = *(fc_port_t **) rport->dd_data;
1903 host = rport_to_shost(rport);
1904 vha = shost_priv(host);
1905 } else {
1906 host = bsg_job->shost;
1907 vha = shost_priv(host);
1908 }
1909
1910 if (qla2x00_reset_active(vha)) {
1911 ql_dbg(ql_dbg_user, vha, 0x709f,
1912 "BSG: ISP abort active/needed -- cmd=%d.\n",
1913 bsg_job->request->msgcode);
1914 bsg_job->reply->result = (DID_ERROR << 16);
1915 bsg_job->job_done(bsg_job);
1916 return -EBUSY;
1917 }
1918
1919 ql_dbg(ql_dbg_user, vha, 0x7000,
1920 "Entered %s msgcode=0x%x.\n", __func__, bsg_job->request->msgcode);
1921
1922 switch (bsg_job->request->msgcode) {
1923 case FC_BSG_RPT_ELS:
1924 case FC_BSG_HST_ELS_NOLOGIN:
1925 ret = qla2x00_process_els(bsg_job);
1926 break;
1927 case FC_BSG_HST_CT:
1928 ret = qla2x00_process_ct(bsg_job);
1929 break;
1930 case FC_BSG_HST_VENDOR:
1931 ret = qla2x00_process_vendor_specific(bsg_job);
1932 break;
1933 case FC_BSG_HST_ADD_RPORT:
1934 case FC_BSG_HST_DEL_RPORT:
1935 case FC_BSG_RPT_CT:
1936 default:
1937 ql_log(ql_log_warn, vha, 0x705a, "Unsupported BSG request.\n");
1938 bsg_job->reply->result = ret;
1939 break;
1940 }
1941 return ret;
1942 }
1943
1944 int
1945 qla24xx_bsg_timeout(struct fc_bsg_job *bsg_job)
1946 {
1947 scsi_qla_host_t *vha = shost_priv(bsg_job->shost);
1948 struct qla_hw_data *ha = vha->hw;
1949 srb_t *sp;
1950 int cnt, que;
1951 unsigned long flags;
1952 struct req_que *req;
1953
1954 /* find the bsg job from the active list of commands */
1955 spin_lock_irqsave(&ha->hardware_lock, flags);
1956 for (que = 0; que < ha->max_req_queues; que++) {
1957 req = ha->req_q_map[que];
1958 if (!req)
1959 continue;
1960
1961 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1962 sp = req->outstanding_cmds[cnt];
1963 if (sp) {
1964 if (((sp->type == SRB_CT_CMD) ||
1965 (sp->type == SRB_ELS_CMD_HST))
1966 && (sp->u.bsg_job == bsg_job)) {
1967 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1968 if (ha->isp_ops->abort_command(sp)) {
1969 ql_log(ql_log_warn, vha, 0x7089,
1970 "mbx abort_command "
1971 "failed.\n");
1972 bsg_job->req->errors =
1973 bsg_job->reply->result = -EIO;
1974 } else {
1975 ql_dbg(ql_dbg_user, vha, 0x708a,
1976 "mbx abort_command "
1977 "success.\n");
1978 bsg_job->req->errors =
1979 bsg_job->reply->result = 0;
1980 }
1981 spin_lock_irqsave(&ha->hardware_lock, flags);
1982 goto done;
1983 }
1984 }
1985 }
1986 }
1987 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1988 ql_log(ql_log_info, vha, 0x708b, "SRB not found to abort.\n");
1989 bsg_job->req->errors = bsg_job->reply->result = -ENXIO;
1990 return 0;
1991
1992 done:
1993 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1994 if (bsg_job->request->msgcode == FC_BSG_HST_CT)
1995 kfree(sp->fcport);
1996 mempool_free(sp, ha->srb_mempool);
1997 return 0;
1998 }
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