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[SCSI] qla2xxx: Determine the number of outstanding commands based on available resou...
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / scsi / qla2xxx / qla_bsg.c
1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2012 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 if (!ret)
223 bsg_job->job_done(bsg_job);
224 return ret;
225 }
226
227 static int
228 qla2x00_process_els(struct fc_bsg_job *bsg_job)
229 {
230 struct fc_rport *rport;
231 fc_port_t *fcport = NULL;
232 struct Scsi_Host *host;
233 scsi_qla_host_t *vha;
234 struct qla_hw_data *ha;
235 srb_t *sp;
236 const char *type;
237 int req_sg_cnt, rsp_sg_cnt;
238 int rval = (DRIVER_ERROR << 16);
239 uint16_t nextlid = 0;
240
241 if (bsg_job->request->msgcode == FC_BSG_RPT_ELS) {
242 rport = bsg_job->rport;
243 fcport = *(fc_port_t **) rport->dd_data;
244 host = rport_to_shost(rport);
245 vha = shost_priv(host);
246 ha = vha->hw;
247 type = "FC_BSG_RPT_ELS";
248 } else {
249 host = bsg_job->shost;
250 vha = shost_priv(host);
251 ha = vha->hw;
252 type = "FC_BSG_HST_ELS_NOLOGIN";
253 }
254
255 /* pass through is supported only for ISP 4Gb or higher */
256 if (!IS_FWI2_CAPABLE(ha)) {
257 ql_dbg(ql_dbg_user, vha, 0x7001,
258 "ELS passthru not supported for ISP23xx based adapters.\n");
259 rval = -EPERM;
260 goto done;
261 }
262
263 /* Multiple SG's are not supported for ELS requests */
264 if (bsg_job->request_payload.sg_cnt > 1 ||
265 bsg_job->reply_payload.sg_cnt > 1) {
266 ql_dbg(ql_dbg_user, vha, 0x7002,
267 "Multiple SG's are not suppored for ELS requests, "
268 "request_sg_cnt=%x reply_sg_cnt=%x.\n",
269 bsg_job->request_payload.sg_cnt,
270 bsg_job->reply_payload.sg_cnt);
271 rval = -EPERM;
272 goto done;
273 }
274
275 /* ELS request for rport */
276 if (bsg_job->request->msgcode == FC_BSG_RPT_ELS) {
277 /* make sure the rport is logged in,
278 * if not perform fabric login
279 */
280 if (qla2x00_fabric_login(vha, fcport, &nextlid)) {
281 ql_dbg(ql_dbg_user, vha, 0x7003,
282 "Failed to login port %06X for ELS passthru.\n",
283 fcport->d_id.b24);
284 rval = -EIO;
285 goto done;
286 }
287 } else {
288 /* Allocate a dummy fcport structure, since functions
289 * preparing the IOCB and mailbox command retrieves port
290 * specific information from fcport structure. For Host based
291 * ELS commands there will be no fcport structure allocated
292 */
293 fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
294 if (!fcport) {
295 rval = -ENOMEM;
296 goto done;
297 }
298
299 /* Initialize all required fields of fcport */
300 fcport->vha = vha;
301 fcport->d_id.b.al_pa =
302 bsg_job->request->rqst_data.h_els.port_id[0];
303 fcport->d_id.b.area =
304 bsg_job->request->rqst_data.h_els.port_id[1];
305 fcport->d_id.b.domain =
306 bsg_job->request->rqst_data.h_els.port_id[2];
307 fcport->loop_id =
308 (fcport->d_id.b.al_pa == 0xFD) ?
309 NPH_FABRIC_CONTROLLER : NPH_F_PORT;
310 }
311
312 if (!vha->flags.online) {
313 ql_log(ql_log_warn, vha, 0x7005, "Host not online.\n");
314 rval = -EIO;
315 goto done;
316 }
317
318 req_sg_cnt =
319 dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
320 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
321 if (!req_sg_cnt) {
322 rval = -ENOMEM;
323 goto done_free_fcport;
324 }
325
326 rsp_sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
327 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
328 if (!rsp_sg_cnt) {
329 rval = -ENOMEM;
330 goto done_free_fcport;
331 }
332
333 if ((req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
334 (rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
335 ql_log(ql_log_warn, vha, 0x7008,
336 "dma mapping resulted in different sg counts, "
337 "request_sg_cnt: %x dma_request_sg_cnt:%x reply_sg_cnt:%x "
338 "dma_reply_sg_cnt:%x.\n", bsg_job->request_payload.sg_cnt,
339 req_sg_cnt, bsg_job->reply_payload.sg_cnt, rsp_sg_cnt);
340 rval = -EAGAIN;
341 goto done_unmap_sg;
342 }
343
344 /* Alloc SRB structure */
345 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
346 if (!sp) {
347 rval = -ENOMEM;
348 goto done_unmap_sg;
349 }
350
351 sp->type =
352 (bsg_job->request->msgcode == FC_BSG_RPT_ELS ?
353 SRB_ELS_CMD_RPT : SRB_ELS_CMD_HST);
354 sp->name =
355 (bsg_job->request->msgcode == FC_BSG_RPT_ELS ?
356 "bsg_els_rpt" : "bsg_els_hst");
357 sp->u.bsg_job = bsg_job;
358 sp->free = qla2x00_bsg_sp_free;
359 sp->done = qla2x00_bsg_job_done;
360
361 ql_dbg(ql_dbg_user, vha, 0x700a,
362 "bsg rqst type: %s els type: %x - loop-id=%x "
363 "portid=%-2x%02x%02x.\n", type,
364 bsg_job->request->rqst_data.h_els.command_code, fcport->loop_id,
365 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa);
366
367 rval = qla2x00_start_sp(sp);
368 if (rval != QLA_SUCCESS) {
369 ql_log(ql_log_warn, vha, 0x700e,
370 "qla2x00_start_sp failed = %d\n", rval);
371 mempool_free(sp, ha->srb_mempool);
372 rval = -EIO;
373 goto done_unmap_sg;
374 }
375 return rval;
376
377 done_unmap_sg:
378 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
379 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
380 dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
381 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
382 goto done_free_fcport;
383
384 done_free_fcport:
385 if (bsg_job->request->msgcode == FC_BSG_HST_ELS_NOLOGIN)
386 kfree(fcport);
387 done:
388 return rval;
389 }
390
391 inline uint16_t
392 qla24xx_calc_ct_iocbs(uint16_t dsds)
393 {
394 uint16_t iocbs;
395
396 iocbs = 1;
397 if (dsds > 2) {
398 iocbs += (dsds - 2) / 5;
399 if ((dsds - 2) % 5)
400 iocbs++;
401 }
402 return iocbs;
403 }
404
405 static int
406 qla2x00_process_ct(struct fc_bsg_job *bsg_job)
407 {
408 srb_t *sp;
409 struct Scsi_Host *host = bsg_job->shost;
410 scsi_qla_host_t *vha = shost_priv(host);
411 struct qla_hw_data *ha = vha->hw;
412 int rval = (DRIVER_ERROR << 16);
413 int req_sg_cnt, rsp_sg_cnt;
414 uint16_t loop_id;
415 struct fc_port *fcport;
416 char *type = "FC_BSG_HST_CT";
417
418 req_sg_cnt =
419 dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
420 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
421 if (!req_sg_cnt) {
422 ql_log(ql_log_warn, vha, 0x700f,
423 "dma_map_sg return %d for request\n", req_sg_cnt);
424 rval = -ENOMEM;
425 goto done;
426 }
427
428 rsp_sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
429 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
430 if (!rsp_sg_cnt) {
431 ql_log(ql_log_warn, vha, 0x7010,
432 "dma_map_sg return %d for reply\n", rsp_sg_cnt);
433 rval = -ENOMEM;
434 goto done;
435 }
436
437 if ((req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
438 (rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
439 ql_log(ql_log_warn, vha, 0x7011,
440 "request_sg_cnt: %x dma_request_sg_cnt: %x reply_sg_cnt:%x "
441 "dma_reply_sg_cnt: %x\n", bsg_job->request_payload.sg_cnt,
442 req_sg_cnt, bsg_job->reply_payload.sg_cnt, rsp_sg_cnt);
443 rval = -EAGAIN;
444 goto done_unmap_sg;
445 }
446
447 if (!vha->flags.online) {
448 ql_log(ql_log_warn, vha, 0x7012,
449 "Host is not online.\n");
450 rval = -EIO;
451 goto done_unmap_sg;
452 }
453
454 loop_id =
455 (bsg_job->request->rqst_data.h_ct.preamble_word1 & 0xFF000000)
456 >> 24;
457 switch (loop_id) {
458 case 0xFC:
459 loop_id = cpu_to_le16(NPH_SNS);
460 break;
461 case 0xFA:
462 loop_id = vha->mgmt_svr_loop_id;
463 break;
464 default:
465 ql_dbg(ql_dbg_user, vha, 0x7013,
466 "Unknown loop id: %x.\n", loop_id);
467 rval = -EINVAL;
468 goto done_unmap_sg;
469 }
470
471 /* Allocate a dummy fcport structure, since functions preparing the
472 * IOCB and mailbox command retrieves port specific information
473 * from fcport structure. For Host based ELS commands there will be
474 * no fcport structure allocated
475 */
476 fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
477 if (!fcport) {
478 ql_log(ql_log_warn, vha, 0x7014,
479 "Failed to allocate fcport.\n");
480 rval = -ENOMEM;
481 goto done_unmap_sg;
482 }
483
484 /* Initialize all required fields of fcport */
485 fcport->vha = vha;
486 fcport->d_id.b.al_pa = bsg_job->request->rqst_data.h_ct.port_id[0];
487 fcport->d_id.b.area = bsg_job->request->rqst_data.h_ct.port_id[1];
488 fcport->d_id.b.domain = bsg_job->request->rqst_data.h_ct.port_id[2];
489 fcport->loop_id = loop_id;
490
491 /* Alloc SRB structure */
492 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
493 if (!sp) {
494 ql_log(ql_log_warn, vha, 0x7015,
495 "qla2x00_get_sp failed.\n");
496 rval = -ENOMEM;
497 goto done_free_fcport;
498 }
499
500 sp->type = SRB_CT_CMD;
501 sp->name = "bsg_ct";
502 sp->iocbs = qla24xx_calc_ct_iocbs(req_sg_cnt + rsp_sg_cnt);
503 sp->u.bsg_job = bsg_job;
504 sp->free = qla2x00_bsg_sp_free;
505 sp->done = qla2x00_bsg_job_done;
506
507 ql_dbg(ql_dbg_user, vha, 0x7016,
508 "bsg rqst type: %s else type: %x - "
509 "loop-id=%x portid=%02x%02x%02x.\n", type,
510 (bsg_job->request->rqst_data.h_ct.preamble_word2 >> 16),
511 fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area,
512 fcport->d_id.b.al_pa);
513
514 rval = qla2x00_start_sp(sp);
515 if (rval != QLA_SUCCESS) {
516 ql_log(ql_log_warn, vha, 0x7017,
517 "qla2x00_start_sp failed=%d.\n", rval);
518 mempool_free(sp, ha->srb_mempool);
519 rval = -EIO;
520 goto done_free_fcport;
521 }
522 return rval;
523
524 done_free_fcport:
525 kfree(fcport);
526 done_unmap_sg:
527 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
528 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
529 dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
530 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
531 done:
532 return rval;
533 }
534 /*
535 * Set the port configuration to enable the internal or external loopback
536 * depending on the loopback mode.
537 */
538 static inline int
539 qla81xx_set_loopback_mode(scsi_qla_host_t *vha, uint16_t *config,
540 uint16_t *new_config, uint16_t mode)
541 {
542 int ret = 0;
543 int rval = 0;
544 struct qla_hw_data *ha = vha->hw;
545
546 if (!IS_QLA81XX(ha) && !IS_QLA8031(ha))
547 goto done_set_internal;
548
549 if (mode == INTERNAL_LOOPBACK)
550 new_config[0] = config[0] | (ENABLE_INTERNAL_LOOPBACK << 1);
551 else if (mode == EXTERNAL_LOOPBACK)
552 new_config[0] = config[0] | (ENABLE_EXTERNAL_LOOPBACK << 1);
553 ql_dbg(ql_dbg_user, vha, 0x70be,
554 "new_config[0]=%02x\n", (new_config[0] & INTERNAL_LOOPBACK_MASK));
555
556 memcpy(&new_config[1], &config[1], sizeof(uint16_t) * 3);
557
558 ha->notify_dcbx_comp = 1;
559 ret = qla81xx_set_port_config(vha, new_config);
560 if (ret != QLA_SUCCESS) {
561 ql_log(ql_log_warn, vha, 0x7021,
562 "set port config failed.\n");
563 ha->notify_dcbx_comp = 0;
564 rval = -EINVAL;
565 goto done_set_internal;
566 }
567
568 /* Wait for DCBX complete event */
569 if (!wait_for_completion_timeout(&ha->dcbx_comp, (20 * HZ))) {
570 ql_dbg(ql_dbg_user, vha, 0x7022,
571 "State change notification not received.\n");
572 rval = -EINVAL;
573 } else {
574 if (ha->flags.idc_compl_status) {
575 ql_dbg(ql_dbg_user, vha, 0x70c3,
576 "Bad status in IDC Completion AEN\n");
577 rval = -EINVAL;
578 ha->flags.idc_compl_status = 0;
579 } else
580 ql_dbg(ql_dbg_user, vha, 0x7023,
581 "State change received.\n");
582 }
583
584 ha->notify_dcbx_comp = 0;
585
586 done_set_internal:
587 return rval;
588 }
589
590 /* Disable loopback mode */
591 static inline int
592 qla81xx_reset_loopback_mode(scsi_qla_host_t *vha, uint16_t *config,
593 int wait)
594 {
595 int ret = 0;
596 int rval = 0;
597 uint16_t new_config[4];
598 struct qla_hw_data *ha = vha->hw;
599
600 if (!IS_QLA81XX(ha) && !IS_QLA8031(ha))
601 goto done_reset_internal;
602
603 memset(new_config, 0 , sizeof(new_config));
604 if ((config[0] & INTERNAL_LOOPBACK_MASK) >> 1 ==
605 ENABLE_INTERNAL_LOOPBACK ||
606 (config[0] & INTERNAL_LOOPBACK_MASK) >> 1 ==
607 ENABLE_EXTERNAL_LOOPBACK) {
608 new_config[0] = config[0] & ~INTERNAL_LOOPBACK_MASK;
609 ql_dbg(ql_dbg_user, vha, 0x70bf, "new_config[0]=%02x\n",
610 (new_config[0] & INTERNAL_LOOPBACK_MASK));
611 memcpy(&new_config[1], &config[1], sizeof(uint16_t) * 3) ;
612
613 ha->notify_dcbx_comp = wait;
614 ret = qla81xx_set_port_config(vha, new_config);
615 if (ret != QLA_SUCCESS) {
616 ql_log(ql_log_warn, vha, 0x7025,
617 "Set port config failed.\n");
618 ha->notify_dcbx_comp = 0;
619 rval = -EINVAL;
620 goto done_reset_internal;
621 }
622
623 /* Wait for DCBX complete event */
624 if (wait && !wait_for_completion_timeout(&ha->dcbx_comp,
625 (20 * HZ))) {
626 ql_dbg(ql_dbg_user, vha, 0x7026,
627 "State change notification not received.\n");
628 ha->notify_dcbx_comp = 0;
629 rval = -EINVAL;
630 goto done_reset_internal;
631 } else
632 ql_dbg(ql_dbg_user, vha, 0x7027,
633 "State change received.\n");
634
635 ha->notify_dcbx_comp = 0;
636 }
637 done_reset_internal:
638 return rval;
639 }
640
641 static int
642 qla2x00_process_loopback(struct fc_bsg_job *bsg_job)
643 {
644 struct Scsi_Host *host = bsg_job->shost;
645 scsi_qla_host_t *vha = shost_priv(host);
646 struct qla_hw_data *ha = vha->hw;
647 int rval;
648 uint8_t command_sent;
649 char *type;
650 struct msg_echo_lb elreq;
651 uint16_t response[MAILBOX_REGISTER_COUNT];
652 uint16_t config[4], new_config[4];
653 uint8_t *fw_sts_ptr;
654 uint8_t *req_data = NULL;
655 dma_addr_t req_data_dma;
656 uint32_t req_data_len;
657 uint8_t *rsp_data = NULL;
658 dma_addr_t rsp_data_dma;
659 uint32_t rsp_data_len;
660
661 if (!vha->flags.online) {
662 ql_log(ql_log_warn, vha, 0x7019, "Host is not online.\n");
663 return -EIO;
664 }
665
666 elreq.req_sg_cnt = dma_map_sg(&ha->pdev->dev,
667 bsg_job->request_payload.sg_list, bsg_job->request_payload.sg_cnt,
668 DMA_TO_DEVICE);
669
670 if (!elreq.req_sg_cnt) {
671 ql_log(ql_log_warn, vha, 0x701a,
672 "dma_map_sg returned %d for request.\n", elreq.req_sg_cnt);
673 return -ENOMEM;
674 }
675
676 elreq.rsp_sg_cnt = dma_map_sg(&ha->pdev->dev,
677 bsg_job->reply_payload.sg_list, bsg_job->reply_payload.sg_cnt,
678 DMA_FROM_DEVICE);
679
680 if (!elreq.rsp_sg_cnt) {
681 ql_log(ql_log_warn, vha, 0x701b,
682 "dma_map_sg returned %d for reply.\n", elreq.rsp_sg_cnt);
683 rval = -ENOMEM;
684 goto done_unmap_req_sg;
685 }
686
687 if ((elreq.req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
688 (elreq.rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
689 ql_log(ql_log_warn, vha, 0x701c,
690 "dma mapping resulted in different sg counts, "
691 "request_sg_cnt: %x dma_request_sg_cnt: %x "
692 "reply_sg_cnt: %x dma_reply_sg_cnt: %x.\n",
693 bsg_job->request_payload.sg_cnt, elreq.req_sg_cnt,
694 bsg_job->reply_payload.sg_cnt, elreq.rsp_sg_cnt);
695 rval = -EAGAIN;
696 goto done_unmap_sg;
697 }
698 req_data_len = rsp_data_len = bsg_job->request_payload.payload_len;
699 req_data = dma_alloc_coherent(&ha->pdev->dev, req_data_len,
700 &req_data_dma, GFP_KERNEL);
701 if (!req_data) {
702 ql_log(ql_log_warn, vha, 0x701d,
703 "dma alloc failed for req_data.\n");
704 rval = -ENOMEM;
705 goto done_unmap_sg;
706 }
707
708 rsp_data = dma_alloc_coherent(&ha->pdev->dev, rsp_data_len,
709 &rsp_data_dma, GFP_KERNEL);
710 if (!rsp_data) {
711 ql_log(ql_log_warn, vha, 0x7004,
712 "dma alloc failed for rsp_data.\n");
713 rval = -ENOMEM;
714 goto done_free_dma_req;
715 }
716
717 /* Copy the request buffer in req_data now */
718 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
719 bsg_job->request_payload.sg_cnt, req_data, req_data_len);
720
721 elreq.send_dma = req_data_dma;
722 elreq.rcv_dma = rsp_data_dma;
723 elreq.transfer_size = req_data_len;
724
725 elreq.options = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
726
727 if (atomic_read(&vha->loop_state) == LOOP_READY &&
728 (ha->current_topology == ISP_CFG_F ||
729 ((IS_QLA81XX(ha) || IS_QLA8031(ha)) &&
730 le32_to_cpu(*(uint32_t *)req_data) == ELS_OPCODE_BYTE
731 && req_data_len == MAX_ELS_FRAME_PAYLOAD)) &&
732 elreq.options == EXTERNAL_LOOPBACK) {
733 type = "FC_BSG_HST_VENDOR_ECHO_DIAG";
734 ql_dbg(ql_dbg_user, vha, 0x701e,
735 "BSG request type: %s.\n", type);
736 command_sent = INT_DEF_LB_ECHO_CMD;
737 rval = qla2x00_echo_test(vha, &elreq, response);
738 } else {
739 if (IS_QLA81XX(ha) || IS_QLA8031(ha)) {
740 memset(config, 0, sizeof(config));
741 memset(new_config, 0, sizeof(new_config));
742 if (qla81xx_get_port_config(vha, config)) {
743 ql_log(ql_log_warn, vha, 0x701f,
744 "Get port config failed.\n");
745 rval = -EPERM;
746 goto done_free_dma_rsp;
747 }
748
749 ql_dbg(ql_dbg_user, vha, 0x70c0,
750 "elreq.options=%04x\n", elreq.options);
751
752 if (elreq.options == EXTERNAL_LOOPBACK)
753 if (IS_QLA8031(ha))
754 rval = qla81xx_set_loopback_mode(vha,
755 config, new_config, elreq.options);
756 else
757 rval = qla81xx_reset_loopback_mode(vha,
758 config, 1);
759 else
760 rval = qla81xx_set_loopback_mode(vha, config,
761 new_config, elreq.options);
762
763 if (rval) {
764 rval = -EPERM;
765 goto done_free_dma_rsp;
766 }
767
768 type = "FC_BSG_HST_VENDOR_LOOPBACK";
769 ql_dbg(ql_dbg_user, vha, 0x7028,
770 "BSG request type: %s.\n", type);
771
772 command_sent = INT_DEF_LB_LOOPBACK_CMD;
773 rval = qla2x00_loopback_test(vha, &elreq, response);
774
775 if (new_config[0]) {
776 /* Revert back to original port config
777 * Also clear internal loopback
778 */
779 qla81xx_reset_loopback_mode(vha,
780 new_config, 0);
781 }
782
783 if (response[0] == MBS_COMMAND_ERROR &&
784 response[1] == MBS_LB_RESET) {
785 ql_log(ql_log_warn, vha, 0x7029,
786 "MBX command error, Aborting ISP.\n");
787 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
788 qla2xxx_wake_dpc(vha);
789 qla2x00_wait_for_chip_reset(vha);
790 /* Also reset the MPI */
791 if (qla81xx_restart_mpi_firmware(vha) !=
792 QLA_SUCCESS) {
793 ql_log(ql_log_warn, vha, 0x702a,
794 "MPI reset failed.\n");
795 }
796
797 rval = -EIO;
798 goto done_free_dma_rsp;
799 }
800 } else {
801 type = "FC_BSG_HST_VENDOR_LOOPBACK";
802 ql_dbg(ql_dbg_user, vha, 0x702b,
803 "BSG request type: %s.\n", type);
804 command_sent = INT_DEF_LB_LOOPBACK_CMD;
805 rval = qla2x00_loopback_test(vha, &elreq, response);
806 }
807 }
808
809 if (rval) {
810 ql_log(ql_log_warn, vha, 0x702c,
811 "Vendor request %s failed.\n", type);
812
813 rval = 0;
814 bsg_job->reply->result = (DID_ERROR << 16);
815 bsg_job->reply->reply_payload_rcv_len = 0;
816 } else {
817 ql_dbg(ql_dbg_user, vha, 0x702d,
818 "Vendor request %s completed.\n", type);
819 bsg_job->reply->result = (DID_OK << 16);
820 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
821 bsg_job->reply_payload.sg_cnt, rsp_data,
822 rsp_data_len);
823 }
824
825 bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
826 sizeof(response) + sizeof(uint8_t);
827 fw_sts_ptr = ((uint8_t *)bsg_job->req->sense) +
828 sizeof(struct fc_bsg_reply);
829 memcpy(fw_sts_ptr, response, sizeof(response));
830 fw_sts_ptr += sizeof(response);
831 *fw_sts_ptr = command_sent;
832
833 done_free_dma_rsp:
834 dma_free_coherent(&ha->pdev->dev, rsp_data_len,
835 rsp_data, rsp_data_dma);
836 done_free_dma_req:
837 dma_free_coherent(&ha->pdev->dev, req_data_len,
838 req_data, req_data_dma);
839 done_unmap_sg:
840 dma_unmap_sg(&ha->pdev->dev,
841 bsg_job->reply_payload.sg_list,
842 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
843 done_unmap_req_sg:
844 dma_unmap_sg(&ha->pdev->dev,
845 bsg_job->request_payload.sg_list,
846 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
847 if (!rval)
848 bsg_job->job_done(bsg_job);
849 return rval;
850 }
851
852 static int
853 qla84xx_reset(struct fc_bsg_job *bsg_job)
854 {
855 struct Scsi_Host *host = bsg_job->shost;
856 scsi_qla_host_t *vha = shost_priv(host);
857 struct qla_hw_data *ha = vha->hw;
858 int rval = 0;
859 uint32_t flag;
860
861 if (!IS_QLA84XX(ha)) {
862 ql_dbg(ql_dbg_user, vha, 0x702f, "Not 84xx, exiting.\n");
863 return -EINVAL;
864 }
865
866 flag = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
867
868 rval = qla84xx_reset_chip(vha, flag == A84_ISSUE_RESET_DIAG_FW);
869
870 if (rval) {
871 ql_log(ql_log_warn, vha, 0x7030,
872 "Vendor request 84xx reset failed.\n");
873 rval = (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 bsg_job->job_done(bsg_job);
880 }
881
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 = (DID_ERROR << 16);
972 } else {
973 ql_dbg(ql_dbg_user, vha, 0x7038,
974 "Vendor request 84xx updatefw completed.\n");
975
976 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
977 bsg_job->reply->result = DID_OK;
978 }
979
980 dma_pool_free(ha->s_dma_pool, mn, mn_dma);
981
982 done_free_fw_buf:
983 dma_free_coherent(&ha->pdev->dev, data_len, fw_buf, fw_dma);
984
985 done_unmap_sg:
986 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
987 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
988
989 if (!rval)
990 bsg_job->job_done(bsg_job);
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 = (DID_ERROR << 16);
1159
1160 } else {
1161 ql_dbg(ql_dbg_user, vha, 0x7044,
1162 "Vendor request 84xx mgmt completed.\n");
1163
1164 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1165 bsg_job->reply->result = DID_OK;
1166
1167 if ((ql84_mgmt->mgmt.cmd == QLA84_MGMT_READ_MEM) ||
1168 (ql84_mgmt->mgmt.cmd == QLA84_MGMT_GET_INFO)) {
1169 bsg_job->reply->reply_payload_rcv_len =
1170 bsg_job->reply_payload.payload_len;
1171
1172 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1173 bsg_job->reply_payload.sg_cnt, mgmt_b,
1174 data_len);
1175 }
1176 }
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 if (!rval)
1193 bsg_job->job_done(bsg_job);
1194 return rval;
1195 }
1196
1197 static int
1198 qla24xx_iidma(struct fc_bsg_job *bsg_job)
1199 {
1200 struct Scsi_Host *host = bsg_job->shost;
1201 scsi_qla_host_t *vha = shost_priv(host);
1202 int rval = 0;
1203 struct qla_port_param *port_param = NULL;
1204 fc_port_t *fcport = NULL;
1205 uint16_t mb[MAILBOX_REGISTER_COUNT];
1206 uint8_t *rsp_ptr = NULL;
1207
1208 if (!IS_IIDMA_CAPABLE(vha->hw)) {
1209 ql_log(ql_log_info, vha, 0x7046, "iiDMA not supported.\n");
1210 return -EINVAL;
1211 }
1212
1213 port_param = (struct qla_port_param *)((char *)bsg_job->request +
1214 sizeof(struct fc_bsg_request));
1215 if (!port_param) {
1216 ql_log(ql_log_warn, vha, 0x7047,
1217 "port_param header not provided.\n");
1218 return -EINVAL;
1219 }
1220
1221 if (port_param->fc_scsi_addr.dest_type != EXT_DEF_TYPE_WWPN) {
1222 ql_log(ql_log_warn, vha, 0x7048,
1223 "Invalid destination type.\n");
1224 return -EINVAL;
1225 }
1226
1227 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1228 if (fcport->port_type != FCT_TARGET)
1229 continue;
1230
1231 if (memcmp(port_param->fc_scsi_addr.dest_addr.wwpn,
1232 fcport->port_name, sizeof(fcport->port_name)))
1233 continue;
1234 break;
1235 }
1236
1237 if (!fcport) {
1238 ql_log(ql_log_warn, vha, 0x7049,
1239 "Failed to find port.\n");
1240 return -EINVAL;
1241 }
1242
1243 if (atomic_read(&fcport->state) != FCS_ONLINE) {
1244 ql_log(ql_log_warn, vha, 0x704a,
1245 "Port is not online.\n");
1246 return -EINVAL;
1247 }
1248
1249 if (fcport->flags & FCF_LOGIN_NEEDED) {
1250 ql_log(ql_log_warn, vha, 0x704b,
1251 "Remote port not logged in flags = 0x%x.\n", fcport->flags);
1252 return -EINVAL;
1253 }
1254
1255 if (port_param->mode)
1256 rval = qla2x00_set_idma_speed(vha, fcport->loop_id,
1257 port_param->speed, mb);
1258 else
1259 rval = qla2x00_get_idma_speed(vha, fcport->loop_id,
1260 &port_param->speed, mb);
1261
1262 if (rval) {
1263 ql_log(ql_log_warn, vha, 0x704c,
1264 "iIDMA cmd failed for %02x%02x%02x%02x%02x%02x%02x%02x -- "
1265 "%04x %x %04x %04x.\n", fcport->port_name[0],
1266 fcport->port_name[1], fcport->port_name[2],
1267 fcport->port_name[3], fcport->port_name[4],
1268 fcport->port_name[5], fcport->port_name[6],
1269 fcport->port_name[7], rval, fcport->fp_speed, mb[0], mb[1]);
1270 rval = (DID_ERROR << 16);
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 bsg_job->job_done(bsg_job);
1285 }
1286
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.nic_core_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_write_i2c(struct fc_bsg_job *bsg_job)
1564 {
1565 struct Scsi_Host *host = bsg_job->shost;
1566 scsi_qla_host_t *vha = shost_priv(host);
1567 struct qla_hw_data *ha = vha->hw;
1568 int rval = 0;
1569 uint8_t bsg[DMA_POOL_SIZE];
1570 struct qla_i2c_access *i2c = (void *)bsg;
1571 dma_addr_t sfp_dma;
1572 uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1573 if (!sfp) {
1574 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
1575 EXT_STATUS_NO_MEMORY;
1576 goto done;
1577 }
1578
1579 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1580 bsg_job->request_payload.sg_cnt, i2c, sizeof(*i2c));
1581
1582 memcpy(sfp, i2c->buffer, i2c->length);
1583 rval = qla2x00_write_sfp(vha, sfp_dma, sfp,
1584 i2c->device, i2c->offset, i2c->length, i2c->option);
1585
1586 if (rval) {
1587 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
1588 EXT_STATUS_MAILBOX;
1589 goto dealloc;
1590 }
1591
1592 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1593
1594 dealloc:
1595 dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1596
1597 done:
1598 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1599 bsg_job->reply->result = DID_OK << 16;
1600 bsg_job->job_done(bsg_job);
1601
1602 return 0;
1603 }
1604
1605 static int
1606 qla2x00_read_i2c(struct fc_bsg_job *bsg_job)
1607 {
1608 struct Scsi_Host *host = bsg_job->shost;
1609 scsi_qla_host_t *vha = shost_priv(host);
1610 struct qla_hw_data *ha = vha->hw;
1611 int rval = 0;
1612 uint8_t bsg[DMA_POOL_SIZE];
1613 struct qla_i2c_access *i2c = (void *)bsg;
1614 dma_addr_t sfp_dma;
1615 uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1616 if (!sfp) {
1617 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
1618 EXT_STATUS_NO_MEMORY;
1619 goto done;
1620 }
1621
1622 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1623 bsg_job->request_payload.sg_cnt, i2c, sizeof(*i2c));
1624
1625 rval = qla2x00_read_sfp(vha, sfp_dma, sfp,
1626 i2c->device, i2c->offset, i2c->length, i2c->option);
1627
1628 if (rval) {
1629 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
1630 EXT_STATUS_MAILBOX;
1631 goto dealloc;
1632 }
1633
1634 memcpy(i2c->buffer, sfp, i2c->length);
1635 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1636 bsg_job->reply_payload.sg_cnt, i2c, sizeof(*i2c));
1637
1638 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1639
1640 dealloc:
1641 dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1642
1643 done:
1644 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1645 bsg_job->reply->reply_payload_rcv_len = sizeof(*i2c);
1646 bsg_job->reply->result = DID_OK << 16;
1647 bsg_job->job_done(bsg_job);
1648
1649 return 0;
1650 }
1651
1652 static int
1653 qla24xx_process_bidir_cmd(struct fc_bsg_job *bsg_job)
1654 {
1655 struct Scsi_Host *host = bsg_job->shost;
1656 scsi_qla_host_t *vha = shost_priv(host);
1657 struct qla_hw_data *ha = vha->hw;
1658 uint16_t thread_id;
1659 uint32_t rval = EXT_STATUS_OK;
1660 uint16_t req_sg_cnt = 0;
1661 uint16_t rsp_sg_cnt = 0;
1662 uint16_t nextlid = 0;
1663 uint32_t tot_dsds;
1664 srb_t *sp = NULL;
1665 uint32_t req_data_len = 0;
1666 uint32_t rsp_data_len = 0;
1667
1668 /* Check the type of the adapter */
1669 if (!IS_BIDI_CAPABLE(ha)) {
1670 ql_log(ql_log_warn, vha, 0x70a0,
1671 "This adapter is not supported\n");
1672 rval = EXT_STATUS_NOT_SUPPORTED;
1673 goto done;
1674 }
1675
1676 if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
1677 test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
1678 test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
1679 rval = EXT_STATUS_BUSY;
1680 goto done;
1681 }
1682
1683 /* Check if host is online */
1684 if (!vha->flags.online) {
1685 ql_log(ql_log_warn, vha, 0x70a1,
1686 "Host is not online\n");
1687 rval = EXT_STATUS_DEVICE_OFFLINE;
1688 goto done;
1689 }
1690
1691 /* Check if cable is plugged in or not */
1692 if (vha->device_flags & DFLG_NO_CABLE) {
1693 ql_log(ql_log_warn, vha, 0x70a2,
1694 "Cable is unplugged...\n");
1695 rval = EXT_STATUS_INVALID_CFG;
1696 goto done;
1697 }
1698
1699 /* Check if the switch is connected or not */
1700 if (ha->current_topology != ISP_CFG_F) {
1701 ql_log(ql_log_warn, vha, 0x70a3,
1702 "Host is not connected to the switch\n");
1703 rval = EXT_STATUS_INVALID_CFG;
1704 goto done;
1705 }
1706
1707 /* Check if operating mode is P2P */
1708 if (ha->operating_mode != P2P) {
1709 ql_log(ql_log_warn, vha, 0x70a4,
1710 "Host is operating mode is not P2p\n");
1711 rval = EXT_STATUS_INVALID_CFG;
1712 goto done;
1713 }
1714
1715 thread_id = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
1716
1717 mutex_lock(&ha->selflogin_lock);
1718 if (vha->self_login_loop_id == 0) {
1719 /* Initialize all required fields of fcport */
1720 vha->bidir_fcport.vha = vha;
1721 vha->bidir_fcport.d_id.b.al_pa = vha->d_id.b.al_pa;
1722 vha->bidir_fcport.d_id.b.area = vha->d_id.b.area;
1723 vha->bidir_fcport.d_id.b.domain = vha->d_id.b.domain;
1724 vha->bidir_fcport.loop_id = vha->loop_id;
1725
1726 if (qla2x00_fabric_login(vha, &(vha->bidir_fcport), &nextlid)) {
1727 ql_log(ql_log_warn, vha, 0x70a7,
1728 "Failed to login port %06X for bidirectional IOCB\n",
1729 vha->bidir_fcport.d_id.b24);
1730 mutex_unlock(&ha->selflogin_lock);
1731 rval = EXT_STATUS_MAILBOX;
1732 goto done;
1733 }
1734 vha->self_login_loop_id = nextlid - 1;
1735
1736 }
1737 /* Assign the self login loop id to fcport */
1738 mutex_unlock(&ha->selflogin_lock);
1739
1740 vha->bidir_fcport.loop_id = vha->self_login_loop_id;
1741
1742 req_sg_cnt = dma_map_sg(&ha->pdev->dev,
1743 bsg_job->request_payload.sg_list,
1744 bsg_job->request_payload.sg_cnt,
1745 DMA_TO_DEVICE);
1746
1747 if (!req_sg_cnt) {
1748 rval = EXT_STATUS_NO_MEMORY;
1749 goto done;
1750 }
1751
1752 rsp_sg_cnt = dma_map_sg(&ha->pdev->dev,
1753 bsg_job->reply_payload.sg_list, bsg_job->reply_payload.sg_cnt,
1754 DMA_FROM_DEVICE);
1755
1756 if (!rsp_sg_cnt) {
1757 rval = EXT_STATUS_NO_MEMORY;
1758 goto done_unmap_req_sg;
1759 }
1760
1761 if ((req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
1762 (rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
1763 ql_dbg(ql_dbg_user, vha, 0x70a9,
1764 "Dma mapping resulted in different sg counts "
1765 "[request_sg_cnt: %x dma_request_sg_cnt: %x reply_sg_cnt: "
1766 "%x dma_reply_sg_cnt: %x]\n",
1767 bsg_job->request_payload.sg_cnt, req_sg_cnt,
1768 bsg_job->reply_payload.sg_cnt, rsp_sg_cnt);
1769 rval = EXT_STATUS_NO_MEMORY;
1770 goto done_unmap_sg;
1771 }
1772
1773 if (req_data_len != rsp_data_len) {
1774 rval = EXT_STATUS_BUSY;
1775 ql_log(ql_log_warn, vha, 0x70aa,
1776 "req_data_len != rsp_data_len\n");
1777 goto done_unmap_sg;
1778 }
1779
1780 req_data_len = bsg_job->request_payload.payload_len;
1781 rsp_data_len = bsg_job->reply_payload.payload_len;
1782
1783
1784 /* Alloc SRB structure */
1785 sp = qla2x00_get_sp(vha, &(vha->bidir_fcport), GFP_KERNEL);
1786 if (!sp) {
1787 ql_dbg(ql_dbg_user, vha, 0x70ac,
1788 "Alloc SRB structure failed\n");
1789 rval = EXT_STATUS_NO_MEMORY;
1790 goto done_unmap_sg;
1791 }
1792
1793 /*Populate srb->ctx with bidir ctx*/
1794 sp->u.bsg_job = bsg_job;
1795 sp->free = qla2x00_bsg_sp_free;
1796 sp->type = SRB_BIDI_CMD;
1797 sp->done = qla2x00_bsg_job_done;
1798
1799 /* Add the read and write sg count */
1800 tot_dsds = rsp_sg_cnt + req_sg_cnt;
1801
1802 rval = qla2x00_start_bidir(sp, vha, tot_dsds);
1803 if (rval != EXT_STATUS_OK)
1804 goto done_free_srb;
1805 /* the bsg request will be completed in the interrupt handler */
1806 return rval;
1807
1808 done_free_srb:
1809 mempool_free(sp, ha->srb_mempool);
1810 done_unmap_sg:
1811 dma_unmap_sg(&ha->pdev->dev,
1812 bsg_job->reply_payload.sg_list,
1813 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
1814 done_unmap_req_sg:
1815 dma_unmap_sg(&ha->pdev->dev,
1816 bsg_job->request_payload.sg_list,
1817 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1818 done:
1819
1820 /* Return an error vendor specific response
1821 * and complete the bsg request
1822 */
1823 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = rval;
1824 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1825 bsg_job->reply->reply_payload_rcv_len = 0;
1826 bsg_job->reply->result = (DID_OK) << 16;
1827 bsg_job->job_done(bsg_job);
1828 /* Always retrun success, vendor rsp carries correct status */
1829 return 0;
1830 }
1831
1832 static int
1833 qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job)
1834 {
1835 switch (bsg_job->request->rqst_data.h_vendor.vendor_cmd[0]) {
1836 case QL_VND_LOOPBACK:
1837 return qla2x00_process_loopback(bsg_job);
1838
1839 case QL_VND_A84_RESET:
1840 return qla84xx_reset(bsg_job);
1841
1842 case QL_VND_A84_UPDATE_FW:
1843 return qla84xx_updatefw(bsg_job);
1844
1845 case QL_VND_A84_MGMT_CMD:
1846 return qla84xx_mgmt_cmd(bsg_job);
1847
1848 case QL_VND_IIDMA:
1849 return qla24xx_iidma(bsg_job);
1850
1851 case QL_VND_FCP_PRIO_CFG_CMD:
1852 return qla24xx_proc_fcp_prio_cfg_cmd(bsg_job);
1853
1854 case QL_VND_READ_FLASH:
1855 return qla2x00_read_optrom(bsg_job);
1856
1857 case QL_VND_UPDATE_FLASH:
1858 return qla2x00_update_optrom(bsg_job);
1859
1860 case QL_VND_SET_FRU_VERSION:
1861 return qla2x00_update_fru_versions(bsg_job);
1862
1863 case QL_VND_READ_FRU_STATUS:
1864 return qla2x00_read_fru_status(bsg_job);
1865
1866 case QL_VND_WRITE_FRU_STATUS:
1867 return qla2x00_write_fru_status(bsg_job);
1868
1869 case QL_VND_WRITE_I2C:
1870 return qla2x00_write_i2c(bsg_job);
1871
1872 case QL_VND_READ_I2C:
1873 return qla2x00_read_i2c(bsg_job);
1874
1875 case QL_VND_DIAG_IO_CMD:
1876 return qla24xx_process_bidir_cmd(bsg_job);
1877
1878 default:
1879 return -ENOSYS;
1880 }
1881 }
1882
1883 int
1884 qla24xx_bsg_request(struct fc_bsg_job *bsg_job)
1885 {
1886 int ret = -EINVAL;
1887 struct fc_rport *rport;
1888 fc_port_t *fcport = NULL;
1889 struct Scsi_Host *host;
1890 scsi_qla_host_t *vha;
1891
1892 /* In case no data transferred. */
1893 bsg_job->reply->reply_payload_rcv_len = 0;
1894
1895 if (bsg_job->request->msgcode == FC_BSG_RPT_ELS) {
1896 rport = bsg_job->rport;
1897 fcport = *(fc_port_t **) rport->dd_data;
1898 host = rport_to_shost(rport);
1899 vha = shost_priv(host);
1900 } else {
1901 host = bsg_job->shost;
1902 vha = shost_priv(host);
1903 }
1904
1905 if (qla2x00_reset_active(vha)) {
1906 ql_dbg(ql_dbg_user, vha, 0x709f,
1907 "BSG: ISP abort active/needed -- cmd=%d.\n",
1908 bsg_job->request->msgcode);
1909 return -EBUSY;
1910 }
1911
1912 ql_dbg(ql_dbg_user, vha, 0x7000,
1913 "Entered %s msgcode=0x%x.\n", __func__, bsg_job->request->msgcode);
1914
1915 switch (bsg_job->request->msgcode) {
1916 case FC_BSG_RPT_ELS:
1917 case FC_BSG_HST_ELS_NOLOGIN:
1918 ret = qla2x00_process_els(bsg_job);
1919 break;
1920 case FC_BSG_HST_CT:
1921 ret = qla2x00_process_ct(bsg_job);
1922 break;
1923 case FC_BSG_HST_VENDOR:
1924 ret = qla2x00_process_vendor_specific(bsg_job);
1925 break;
1926 case FC_BSG_HST_ADD_RPORT:
1927 case FC_BSG_HST_DEL_RPORT:
1928 case FC_BSG_RPT_CT:
1929 default:
1930 ql_log(ql_log_warn, vha, 0x705a, "Unsupported BSG request.\n");
1931 break;
1932 }
1933 return ret;
1934 }
1935
1936 int
1937 qla24xx_bsg_timeout(struct fc_bsg_job *bsg_job)
1938 {
1939 scsi_qla_host_t *vha = shost_priv(bsg_job->shost);
1940 struct qla_hw_data *ha = vha->hw;
1941 srb_t *sp;
1942 int cnt, que;
1943 unsigned long flags;
1944 struct req_que *req;
1945
1946 /* find the bsg job from the active list of commands */
1947 spin_lock_irqsave(&ha->hardware_lock, flags);
1948 for (que = 0; que < ha->max_req_queues; que++) {
1949 req = ha->req_q_map[que];
1950 if (!req)
1951 continue;
1952
1953 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
1954 sp = req->outstanding_cmds[cnt];
1955 if (sp) {
1956 if (((sp->type == SRB_CT_CMD) ||
1957 (sp->type == SRB_ELS_CMD_HST))
1958 && (sp->u.bsg_job == bsg_job)) {
1959 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1960 if (ha->isp_ops->abort_command(sp)) {
1961 ql_log(ql_log_warn, vha, 0x7089,
1962 "mbx abort_command "
1963 "failed.\n");
1964 bsg_job->req->errors =
1965 bsg_job->reply->result = -EIO;
1966 } else {
1967 ql_dbg(ql_dbg_user, vha, 0x708a,
1968 "mbx abort_command "
1969 "success.\n");
1970 bsg_job->req->errors =
1971 bsg_job->reply->result = 0;
1972 }
1973 spin_lock_irqsave(&ha->hardware_lock, flags);
1974 goto done;
1975 }
1976 }
1977 }
1978 }
1979 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1980 ql_log(ql_log_info, vha, 0x708b, "SRB not found to abort.\n");
1981 bsg_job->req->errors = bsg_job->reply->result = -ENXIO;
1982 return 0;
1983
1984 done:
1985 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1986 if (bsg_job->request->msgcode == FC_BSG_HST_CT)
1987 kfree(sp->fcport);
1988 mempool_free(sp, ha->srb_mempool);
1989 return 0;
1990 }
kernel source for telekom puls (alcatel/mediatek)