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Merge branches 'for-3.7/upstream-fixes', 'for-3.8/hidraw', 'for-3.8/i2c-hid', 'for...
[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 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 rval = -EINVAL;
572 } else {
573 if (ha->flags.idc_compl_status) {
574 ql_dbg(ql_dbg_user, vha, 0x70c3,
575 "Bad status in IDC Completion AEN\n");
576 rval = -EINVAL;
577 ha->flags.idc_compl_status = 0;
578 } else
579 ql_dbg(ql_dbg_user, vha, 0x7023,
580 "State change received.\n");
581 }
582
583 ha->notify_dcbx_comp = 0;
584
585 done_set_internal:
586 return rval;
587 }
588
589 /* Disable loopback mode */
590 static inline int
591 qla81xx_reset_loopback_mode(scsi_qla_host_t *vha, uint16_t *config,
592 int wait)
593 {
594 int ret = 0;
595 int rval = 0;
596 uint16_t new_config[4];
597 struct qla_hw_data *ha = vha->hw;
598
599 if (!IS_QLA81XX(ha) && !IS_QLA8031(ha))
600 goto done_reset_internal;
601
602 memset(new_config, 0 , sizeof(new_config));
603 if ((config[0] & INTERNAL_LOOPBACK_MASK) >> 1 ==
604 ENABLE_INTERNAL_LOOPBACK ||
605 (config[0] & INTERNAL_LOOPBACK_MASK) >> 1 ==
606 ENABLE_EXTERNAL_LOOPBACK) {
607 new_config[0] = config[0] & ~INTERNAL_LOOPBACK_MASK;
608 ql_dbg(ql_dbg_user, vha, 0x70bf, "new_config[0]=%02x\n",
609 (new_config[0] & INTERNAL_LOOPBACK_MASK));
610 memcpy(&new_config[1], &config[1], sizeof(uint16_t) * 3) ;
611
612 ha->notify_dcbx_comp = wait;
613 ret = qla81xx_set_port_config(vha, new_config);
614 if (ret != QLA_SUCCESS) {
615 ql_log(ql_log_warn, vha, 0x7025,
616 "Set port config failed.\n");
617 ha->notify_dcbx_comp = 0;
618 rval = -EINVAL;
619 goto done_reset_internal;
620 }
621
622 /* Wait for DCBX complete event */
623 if (wait && !wait_for_completion_timeout(&ha->dcbx_comp,
624 (20 * HZ))) {
625 ql_dbg(ql_dbg_user, vha, 0x7026,
626 "State change notification not received.\n");
627 ha->notify_dcbx_comp = 0;
628 rval = -EINVAL;
629 goto done_reset_internal;
630 } else
631 ql_dbg(ql_dbg_user, vha, 0x7027,
632 "State change received.\n");
633
634 ha->notify_dcbx_comp = 0;
635 }
636 done_reset_internal:
637 return rval;
638 }
639
640 static int
641 qla2x00_process_loopback(struct fc_bsg_job *bsg_job)
642 {
643 struct Scsi_Host *host = bsg_job->shost;
644 scsi_qla_host_t *vha = shost_priv(host);
645 struct qla_hw_data *ha = vha->hw;
646 int rval;
647 uint8_t command_sent;
648 char *type;
649 struct msg_echo_lb elreq;
650 uint16_t response[MAILBOX_REGISTER_COUNT];
651 uint16_t config[4], new_config[4];
652 uint8_t *fw_sts_ptr;
653 uint8_t *req_data = NULL;
654 dma_addr_t req_data_dma;
655 uint32_t req_data_len;
656 uint8_t *rsp_data = NULL;
657 dma_addr_t rsp_data_dma;
658 uint32_t rsp_data_len;
659
660 if (!vha->flags.online) {
661 ql_log(ql_log_warn, vha, 0x7019, "Host is not online.\n");
662 return -EIO;
663 }
664
665 elreq.req_sg_cnt = dma_map_sg(&ha->pdev->dev,
666 bsg_job->request_payload.sg_list, bsg_job->request_payload.sg_cnt,
667 DMA_TO_DEVICE);
668
669 if (!elreq.req_sg_cnt) {
670 ql_log(ql_log_warn, vha, 0x701a,
671 "dma_map_sg returned %d for request.\n", elreq.req_sg_cnt);
672 return -ENOMEM;
673 }
674
675 elreq.rsp_sg_cnt = dma_map_sg(&ha->pdev->dev,
676 bsg_job->reply_payload.sg_list, bsg_job->reply_payload.sg_cnt,
677 DMA_FROM_DEVICE);
678
679 if (!elreq.rsp_sg_cnt) {
680 ql_log(ql_log_warn, vha, 0x701b,
681 "dma_map_sg returned %d for reply.\n", elreq.rsp_sg_cnt);
682 rval = -ENOMEM;
683 goto done_unmap_req_sg;
684 }
685
686 if ((elreq.req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
687 (elreq.rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
688 ql_log(ql_log_warn, vha, 0x701c,
689 "dma mapping resulted in different sg counts, "
690 "request_sg_cnt: %x dma_request_sg_cnt: %x "
691 "reply_sg_cnt: %x dma_reply_sg_cnt: %x.\n",
692 bsg_job->request_payload.sg_cnt, elreq.req_sg_cnt,
693 bsg_job->reply_payload.sg_cnt, elreq.rsp_sg_cnt);
694 rval = -EAGAIN;
695 goto done_unmap_sg;
696 }
697 req_data_len = rsp_data_len = bsg_job->request_payload.payload_len;
698 req_data = dma_alloc_coherent(&ha->pdev->dev, req_data_len,
699 &req_data_dma, GFP_KERNEL);
700 if (!req_data) {
701 ql_log(ql_log_warn, vha, 0x701d,
702 "dma alloc failed for req_data.\n");
703 rval = -ENOMEM;
704 goto done_unmap_sg;
705 }
706
707 rsp_data = dma_alloc_coherent(&ha->pdev->dev, rsp_data_len,
708 &rsp_data_dma, GFP_KERNEL);
709 if (!rsp_data) {
710 ql_log(ql_log_warn, vha, 0x7004,
711 "dma alloc failed for rsp_data.\n");
712 rval = -ENOMEM;
713 goto done_free_dma_req;
714 }
715
716 /* Copy the request buffer in req_data now */
717 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
718 bsg_job->request_payload.sg_cnt, req_data, req_data_len);
719
720 elreq.send_dma = req_data_dma;
721 elreq.rcv_dma = rsp_data_dma;
722 elreq.transfer_size = req_data_len;
723
724 elreq.options = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
725
726 if (atomic_read(&vha->loop_state) == LOOP_READY &&
727 (ha->current_topology == ISP_CFG_F ||
728 ((IS_QLA81XX(ha) || IS_QLA8031(ha)) &&
729 le32_to_cpu(*(uint32_t *)req_data) == ELS_OPCODE_BYTE
730 && req_data_len == MAX_ELS_FRAME_PAYLOAD)) &&
731 elreq.options == EXTERNAL_LOOPBACK) {
732 type = "FC_BSG_HST_VENDOR_ECHO_DIAG";
733 ql_dbg(ql_dbg_user, vha, 0x701e,
734 "BSG request type: %s.\n", type);
735 command_sent = INT_DEF_LB_ECHO_CMD;
736 rval = qla2x00_echo_test(vha, &elreq, response);
737 } else {
738 if (IS_QLA81XX(ha) || IS_QLA8031(ha)) {
739 memset(config, 0, sizeof(config));
740 memset(new_config, 0, sizeof(new_config));
741 if (qla81xx_get_port_config(vha, config)) {
742 ql_log(ql_log_warn, vha, 0x701f,
743 "Get port config failed.\n");
744 bsg_job->reply->result = (DID_ERROR << 16);
745 rval = -EPERM;
746 goto done_free_dma_req;
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 bsg_job->reply->result = (DID_ERROR << 16);
765 rval = -EPERM;
766 goto done_free_dma_req;
767 }
768
769 type = "FC_BSG_HST_VENDOR_LOOPBACK";
770 ql_dbg(ql_dbg_user, vha, 0x7028,
771 "BSG request type: %s.\n", type);
772
773 command_sent = INT_DEF_LB_LOOPBACK_CMD;
774 rval = qla2x00_loopback_test(vha, &elreq, response);
775
776 if (new_config[0]) {
777 /* Revert back to original port config
778 * Also clear internal loopback
779 */
780 qla81xx_reset_loopback_mode(vha,
781 new_config, 0);
782 }
783
784 if (response[0] == MBS_COMMAND_ERROR &&
785 response[1] == MBS_LB_RESET) {
786 ql_log(ql_log_warn, vha, 0x7029,
787 "MBX command error, Aborting ISP.\n");
788 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
789 qla2xxx_wake_dpc(vha);
790 qla2x00_wait_for_chip_reset(vha);
791 /* Also reset the MPI */
792 if (qla81xx_restart_mpi_firmware(vha) !=
793 QLA_SUCCESS) {
794 ql_log(ql_log_warn, vha, 0x702a,
795 "MPI reset failed.\n");
796 }
797
798 bsg_job->reply->result = (DID_ERROR << 16);
799 rval = -EIO;
800 goto done_free_dma_req;
801 }
802 } else {
803 type = "FC_BSG_HST_VENDOR_LOOPBACK";
804 ql_dbg(ql_dbg_user, vha, 0x702b,
805 "BSG request type: %s.\n", type);
806 command_sent = INT_DEF_LB_LOOPBACK_CMD;
807 rval = qla2x00_loopback_test(vha, &elreq, response);
808 }
809 }
810
811 if (rval) {
812 ql_log(ql_log_warn, vha, 0x702c,
813 "Vendor request %s failed.\n", type);
814
815 fw_sts_ptr = ((uint8_t *)bsg_job->req->sense) +
816 sizeof(struct fc_bsg_reply);
817
818 memcpy(fw_sts_ptr, response, sizeof(response));
819 fw_sts_ptr += sizeof(response);
820 *fw_sts_ptr = command_sent;
821 rval = 0;
822 bsg_job->reply->result = (DID_ERROR << 16);
823 } else {
824 ql_dbg(ql_dbg_user, vha, 0x702d,
825 "Vendor request %s completed.\n", type);
826
827 bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
828 sizeof(response) + sizeof(uint8_t);
829 bsg_job->reply->reply_payload_rcv_len =
830 bsg_job->reply_payload.payload_len;
831 fw_sts_ptr = ((uint8_t *)bsg_job->req->sense) +
832 sizeof(struct fc_bsg_reply);
833 memcpy(fw_sts_ptr, response, sizeof(response));
834 fw_sts_ptr += sizeof(response);
835 *fw_sts_ptr = command_sent;
836 bsg_job->reply->result = DID_OK;
837 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
838 bsg_job->reply_payload.sg_cnt, rsp_data,
839 rsp_data_len);
840 }
841 bsg_job->job_done(bsg_job);
842
843 dma_free_coherent(&ha->pdev->dev, rsp_data_len,
844 rsp_data, rsp_data_dma);
845 done_free_dma_req:
846 dma_free_coherent(&ha->pdev->dev, req_data_len,
847 req_data, req_data_dma);
848 done_unmap_sg:
849 dma_unmap_sg(&ha->pdev->dev,
850 bsg_job->reply_payload.sg_list,
851 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
852 done_unmap_req_sg:
853 dma_unmap_sg(&ha->pdev->dev,
854 bsg_job->request_payload.sg_list,
855 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
856 return rval;
857 }
858
859 static int
860 qla84xx_reset(struct fc_bsg_job *bsg_job)
861 {
862 struct Scsi_Host *host = bsg_job->shost;
863 scsi_qla_host_t *vha = shost_priv(host);
864 struct qla_hw_data *ha = vha->hw;
865 int rval = 0;
866 uint32_t flag;
867
868 if (!IS_QLA84XX(ha)) {
869 ql_dbg(ql_dbg_user, vha, 0x702f, "Not 84xx, exiting.\n");
870 return -EINVAL;
871 }
872
873 flag = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
874
875 rval = qla84xx_reset_chip(vha, flag == A84_ISSUE_RESET_DIAG_FW);
876
877 if (rval) {
878 ql_log(ql_log_warn, vha, 0x7030,
879 "Vendor request 84xx reset failed.\n");
880 rval = 0;
881 bsg_job->reply->result = (DID_ERROR << 16);
882
883 } else {
884 ql_dbg(ql_dbg_user, vha, 0x7031,
885 "Vendor request 84xx reset completed.\n");
886 bsg_job->reply->result = DID_OK;
887 }
888
889 bsg_job->job_done(bsg_job);
890 return rval;
891 }
892
893 static int
894 qla84xx_updatefw(struct fc_bsg_job *bsg_job)
895 {
896 struct Scsi_Host *host = bsg_job->shost;
897 scsi_qla_host_t *vha = shost_priv(host);
898 struct qla_hw_data *ha = vha->hw;
899 struct verify_chip_entry_84xx *mn = NULL;
900 dma_addr_t mn_dma, fw_dma;
901 void *fw_buf = NULL;
902 int rval = 0;
903 uint32_t sg_cnt;
904 uint32_t data_len;
905 uint16_t options;
906 uint32_t flag;
907 uint32_t fw_ver;
908
909 if (!IS_QLA84XX(ha)) {
910 ql_dbg(ql_dbg_user, vha, 0x7032,
911 "Not 84xx, exiting.\n");
912 return -EINVAL;
913 }
914
915 sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
916 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
917 if (!sg_cnt) {
918 ql_log(ql_log_warn, vha, 0x7033,
919 "dma_map_sg returned %d for request.\n", sg_cnt);
920 return -ENOMEM;
921 }
922
923 if (sg_cnt != bsg_job->request_payload.sg_cnt) {
924 ql_log(ql_log_warn, vha, 0x7034,
925 "DMA mapping resulted in different sg counts, "
926 "request_sg_cnt: %x dma_request_sg_cnt: %x.\n",
927 bsg_job->request_payload.sg_cnt, sg_cnt);
928 rval = -EAGAIN;
929 goto done_unmap_sg;
930 }
931
932 data_len = bsg_job->request_payload.payload_len;
933 fw_buf = dma_alloc_coherent(&ha->pdev->dev, data_len,
934 &fw_dma, GFP_KERNEL);
935 if (!fw_buf) {
936 ql_log(ql_log_warn, vha, 0x7035,
937 "DMA alloc failed for fw_buf.\n");
938 rval = -ENOMEM;
939 goto done_unmap_sg;
940 }
941
942 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
943 bsg_job->request_payload.sg_cnt, fw_buf, data_len);
944
945 mn = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &mn_dma);
946 if (!mn) {
947 ql_log(ql_log_warn, vha, 0x7036,
948 "DMA alloc failed for fw buffer.\n");
949 rval = -ENOMEM;
950 goto done_free_fw_buf;
951 }
952
953 flag = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
954 fw_ver = le32_to_cpu(*((uint32_t *)((uint32_t *)fw_buf + 2)));
955
956 memset(mn, 0, sizeof(struct access_chip_84xx));
957 mn->entry_type = VERIFY_CHIP_IOCB_TYPE;
958 mn->entry_count = 1;
959
960 options = VCO_FORCE_UPDATE | VCO_END_OF_DATA;
961 if (flag == A84_ISSUE_UPDATE_DIAGFW_CMD)
962 options |= VCO_DIAG_FW;
963
964 mn->options = cpu_to_le16(options);
965 mn->fw_ver = cpu_to_le32(fw_ver);
966 mn->fw_size = cpu_to_le32(data_len);
967 mn->fw_seq_size = cpu_to_le32(data_len);
968 mn->dseg_address[0] = cpu_to_le32(LSD(fw_dma));
969 mn->dseg_address[1] = cpu_to_le32(MSD(fw_dma));
970 mn->dseg_length = cpu_to_le32(data_len);
971 mn->data_seg_cnt = cpu_to_le16(1);
972
973 rval = qla2x00_issue_iocb_timeout(vha, mn, mn_dma, 0, 120);
974
975 if (rval) {
976 ql_log(ql_log_warn, vha, 0x7037,
977 "Vendor request 84xx updatefw failed.\n");
978
979 rval = 0;
980 bsg_job->reply->result = (DID_ERROR << 16);
981 } else {
982 ql_dbg(ql_dbg_user, vha, 0x7038,
983 "Vendor request 84xx updatefw completed.\n");
984
985 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
986 bsg_job->reply->result = DID_OK;
987 }
988
989 bsg_job->job_done(bsg_job);
990 dma_pool_free(ha->s_dma_pool, mn, mn_dma);
991
992 done_free_fw_buf:
993 dma_free_coherent(&ha->pdev->dev, data_len, fw_buf, fw_dma);
994
995 done_unmap_sg:
996 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
997 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
998
999 return rval;
1000 }
1001
1002 static int
1003 qla84xx_mgmt_cmd(struct fc_bsg_job *bsg_job)
1004 {
1005 struct Scsi_Host *host = bsg_job->shost;
1006 scsi_qla_host_t *vha = shost_priv(host);
1007 struct qla_hw_data *ha = vha->hw;
1008 struct access_chip_84xx *mn = NULL;
1009 dma_addr_t mn_dma, mgmt_dma;
1010 void *mgmt_b = NULL;
1011 int rval = 0;
1012 struct qla_bsg_a84_mgmt *ql84_mgmt;
1013 uint32_t sg_cnt;
1014 uint32_t data_len = 0;
1015 uint32_t dma_direction = DMA_NONE;
1016
1017 if (!IS_QLA84XX(ha)) {
1018 ql_log(ql_log_warn, vha, 0x703a,
1019 "Not 84xx, exiting.\n");
1020 return -EINVAL;
1021 }
1022
1023 ql84_mgmt = (struct qla_bsg_a84_mgmt *)((char *)bsg_job->request +
1024 sizeof(struct fc_bsg_request));
1025 if (!ql84_mgmt) {
1026 ql_log(ql_log_warn, vha, 0x703b,
1027 "MGMT header not provided, exiting.\n");
1028 return -EINVAL;
1029 }
1030
1031 mn = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &mn_dma);
1032 if (!mn) {
1033 ql_log(ql_log_warn, vha, 0x703c,
1034 "DMA alloc failed for fw buffer.\n");
1035 return -ENOMEM;
1036 }
1037
1038 memset(mn, 0, sizeof(struct access_chip_84xx));
1039 mn->entry_type = ACCESS_CHIP_IOCB_TYPE;
1040 mn->entry_count = 1;
1041
1042 switch (ql84_mgmt->mgmt.cmd) {
1043 case QLA84_MGMT_READ_MEM:
1044 case QLA84_MGMT_GET_INFO:
1045 sg_cnt = dma_map_sg(&ha->pdev->dev,
1046 bsg_job->reply_payload.sg_list,
1047 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
1048 if (!sg_cnt) {
1049 ql_log(ql_log_warn, vha, 0x703d,
1050 "dma_map_sg returned %d for reply.\n", sg_cnt);
1051 rval = -ENOMEM;
1052 goto exit_mgmt;
1053 }
1054
1055 dma_direction = DMA_FROM_DEVICE;
1056
1057 if (sg_cnt != bsg_job->reply_payload.sg_cnt) {
1058 ql_log(ql_log_warn, vha, 0x703e,
1059 "DMA mapping resulted in different sg counts, "
1060 "reply_sg_cnt: %x dma_reply_sg_cnt: %x.\n",
1061 bsg_job->reply_payload.sg_cnt, sg_cnt);
1062 rval = -EAGAIN;
1063 goto done_unmap_sg;
1064 }
1065
1066 data_len = bsg_job->reply_payload.payload_len;
1067
1068 mgmt_b = dma_alloc_coherent(&ha->pdev->dev, data_len,
1069 &mgmt_dma, GFP_KERNEL);
1070 if (!mgmt_b) {
1071 ql_log(ql_log_warn, vha, 0x703f,
1072 "DMA alloc failed for mgmt_b.\n");
1073 rval = -ENOMEM;
1074 goto done_unmap_sg;
1075 }
1076
1077 if (ql84_mgmt->mgmt.cmd == QLA84_MGMT_READ_MEM) {
1078 mn->options = cpu_to_le16(ACO_DUMP_MEMORY);
1079 mn->parameter1 =
1080 cpu_to_le32(
1081 ql84_mgmt->mgmt.mgmtp.u.mem.start_addr);
1082
1083 } else if (ql84_mgmt->mgmt.cmd == QLA84_MGMT_GET_INFO) {
1084 mn->options = cpu_to_le16(ACO_REQUEST_INFO);
1085 mn->parameter1 =
1086 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.info.type);
1087
1088 mn->parameter2 =
1089 cpu_to_le32(
1090 ql84_mgmt->mgmt.mgmtp.u.info.context);
1091 }
1092 break;
1093
1094 case QLA84_MGMT_WRITE_MEM:
1095 sg_cnt = dma_map_sg(&ha->pdev->dev,
1096 bsg_job->request_payload.sg_list,
1097 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1098
1099 if (!sg_cnt) {
1100 ql_log(ql_log_warn, vha, 0x7040,
1101 "dma_map_sg returned %d.\n", sg_cnt);
1102 rval = -ENOMEM;
1103 goto exit_mgmt;
1104 }
1105
1106 dma_direction = DMA_TO_DEVICE;
1107
1108 if (sg_cnt != bsg_job->request_payload.sg_cnt) {
1109 ql_log(ql_log_warn, vha, 0x7041,
1110 "DMA mapping resulted in different sg counts, "
1111 "request_sg_cnt: %x dma_request_sg_cnt: %x.\n",
1112 bsg_job->request_payload.sg_cnt, sg_cnt);
1113 rval = -EAGAIN;
1114 goto done_unmap_sg;
1115 }
1116
1117 data_len = bsg_job->request_payload.payload_len;
1118 mgmt_b = dma_alloc_coherent(&ha->pdev->dev, data_len,
1119 &mgmt_dma, GFP_KERNEL);
1120 if (!mgmt_b) {
1121 ql_log(ql_log_warn, vha, 0x7042,
1122 "DMA alloc failed for mgmt_b.\n");
1123 rval = -ENOMEM;
1124 goto done_unmap_sg;
1125 }
1126
1127 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1128 bsg_job->request_payload.sg_cnt, mgmt_b, data_len);
1129
1130 mn->options = cpu_to_le16(ACO_LOAD_MEMORY);
1131 mn->parameter1 =
1132 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.mem.start_addr);
1133 break;
1134
1135 case QLA84_MGMT_CHNG_CONFIG:
1136 mn->options = cpu_to_le16(ACO_CHANGE_CONFIG_PARAM);
1137 mn->parameter1 =
1138 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.id);
1139
1140 mn->parameter2 =
1141 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.param0);
1142
1143 mn->parameter3 =
1144 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.param1);
1145 break;
1146
1147 default:
1148 rval = -EIO;
1149 goto exit_mgmt;
1150 }
1151
1152 if (ql84_mgmt->mgmt.cmd != QLA84_MGMT_CHNG_CONFIG) {
1153 mn->total_byte_cnt = cpu_to_le32(ql84_mgmt->mgmt.len);
1154 mn->dseg_count = cpu_to_le16(1);
1155 mn->dseg_address[0] = cpu_to_le32(LSD(mgmt_dma));
1156 mn->dseg_address[1] = cpu_to_le32(MSD(mgmt_dma));
1157 mn->dseg_length = cpu_to_le32(ql84_mgmt->mgmt.len);
1158 }
1159
1160 rval = qla2x00_issue_iocb(vha, mn, mn_dma, 0);
1161
1162 if (rval) {
1163 ql_log(ql_log_warn, vha, 0x7043,
1164 "Vendor request 84xx mgmt failed.\n");
1165
1166 rval = 0;
1167 bsg_job->reply->result = (DID_ERROR << 16);
1168
1169 } else {
1170 ql_dbg(ql_dbg_user, vha, 0x7044,
1171 "Vendor request 84xx mgmt completed.\n");
1172
1173 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1174 bsg_job->reply->result = DID_OK;
1175
1176 if ((ql84_mgmt->mgmt.cmd == QLA84_MGMT_READ_MEM) ||
1177 (ql84_mgmt->mgmt.cmd == QLA84_MGMT_GET_INFO)) {
1178 bsg_job->reply->reply_payload_rcv_len =
1179 bsg_job->reply_payload.payload_len;
1180
1181 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1182 bsg_job->reply_payload.sg_cnt, mgmt_b,
1183 data_len);
1184 }
1185 }
1186
1187 bsg_job->job_done(bsg_job);
1188
1189 done_unmap_sg:
1190 if (mgmt_b)
1191 dma_free_coherent(&ha->pdev->dev, data_len, mgmt_b, mgmt_dma);
1192
1193 if (dma_direction == DMA_TO_DEVICE)
1194 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
1195 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1196 else if (dma_direction == DMA_FROM_DEVICE)
1197 dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
1198 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
1199
1200 exit_mgmt:
1201 dma_pool_free(ha->s_dma_pool, mn, mn_dma);
1202
1203 return rval;
1204 }
1205
1206 static int
1207 qla24xx_iidma(struct fc_bsg_job *bsg_job)
1208 {
1209 struct Scsi_Host *host = bsg_job->shost;
1210 scsi_qla_host_t *vha = shost_priv(host);
1211 int rval = 0;
1212 struct qla_port_param *port_param = NULL;
1213 fc_port_t *fcport = NULL;
1214 uint16_t mb[MAILBOX_REGISTER_COUNT];
1215 uint8_t *rsp_ptr = NULL;
1216
1217 if (!IS_IIDMA_CAPABLE(vha->hw)) {
1218 ql_log(ql_log_info, vha, 0x7046, "iiDMA not supported.\n");
1219 return -EINVAL;
1220 }
1221
1222 port_param = (struct qla_port_param *)((char *)bsg_job->request +
1223 sizeof(struct fc_bsg_request));
1224 if (!port_param) {
1225 ql_log(ql_log_warn, vha, 0x7047,
1226 "port_param header not provided.\n");
1227 return -EINVAL;
1228 }
1229
1230 if (port_param->fc_scsi_addr.dest_type != EXT_DEF_TYPE_WWPN) {
1231 ql_log(ql_log_warn, vha, 0x7048,
1232 "Invalid destination type.\n");
1233 return -EINVAL;
1234 }
1235
1236 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1237 if (fcport->port_type != FCT_TARGET)
1238 continue;
1239
1240 if (memcmp(port_param->fc_scsi_addr.dest_addr.wwpn,
1241 fcport->port_name, sizeof(fcport->port_name)))
1242 continue;
1243 break;
1244 }
1245
1246 if (!fcport) {
1247 ql_log(ql_log_warn, vha, 0x7049,
1248 "Failed to find port.\n");
1249 return -EINVAL;
1250 }
1251
1252 if (atomic_read(&fcport->state) != FCS_ONLINE) {
1253 ql_log(ql_log_warn, vha, 0x704a,
1254 "Port is not online.\n");
1255 return -EINVAL;
1256 }
1257
1258 if (fcport->flags & FCF_LOGIN_NEEDED) {
1259 ql_log(ql_log_warn, vha, 0x704b,
1260 "Remote port not logged in flags = 0x%x.\n", fcport->flags);
1261 return -EINVAL;
1262 }
1263
1264 if (port_param->mode)
1265 rval = qla2x00_set_idma_speed(vha, fcport->loop_id,
1266 port_param->speed, mb);
1267 else
1268 rval = qla2x00_get_idma_speed(vha, fcport->loop_id,
1269 &port_param->speed, mb);
1270
1271 if (rval) {
1272 ql_log(ql_log_warn, vha, 0x704c,
1273 "iIDMA cmd failed for %02x%02x%02x%02x%02x%02x%02x%02x -- "
1274 "%04x %x %04x %04x.\n", fcport->port_name[0],
1275 fcport->port_name[1], fcport->port_name[2],
1276 fcport->port_name[3], fcport->port_name[4],
1277 fcport->port_name[5], fcport->port_name[6],
1278 fcport->port_name[7], rval, fcport->fp_speed, mb[0], mb[1]);
1279 rval = 0;
1280 bsg_job->reply->result = (DID_ERROR << 16);
1281
1282 } else {
1283 if (!port_param->mode) {
1284 bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
1285 sizeof(struct qla_port_param);
1286
1287 rsp_ptr = ((uint8_t *)bsg_job->reply) +
1288 sizeof(struct fc_bsg_reply);
1289
1290 memcpy(rsp_ptr, port_param,
1291 sizeof(struct qla_port_param));
1292 }
1293
1294 bsg_job->reply->result = DID_OK;
1295 }
1296
1297 bsg_job->job_done(bsg_job);
1298 return rval;
1299 }
1300
1301 static int
1302 qla2x00_optrom_setup(struct fc_bsg_job *bsg_job, scsi_qla_host_t *vha,
1303 uint8_t is_update)
1304 {
1305 uint32_t start = 0;
1306 int valid = 0;
1307 struct qla_hw_data *ha = vha->hw;
1308
1309 if (unlikely(pci_channel_offline(ha->pdev)))
1310 return -EINVAL;
1311
1312 start = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
1313 if (start > ha->optrom_size) {
1314 ql_log(ql_log_warn, vha, 0x7055,
1315 "start %d > optrom_size %d.\n", start, ha->optrom_size);
1316 return -EINVAL;
1317 }
1318
1319 if (ha->optrom_state != QLA_SWAITING) {
1320 ql_log(ql_log_info, vha, 0x7056,
1321 "optrom_state %d.\n", ha->optrom_state);
1322 return -EBUSY;
1323 }
1324
1325 ha->optrom_region_start = start;
1326 ql_dbg(ql_dbg_user, vha, 0x7057, "is_update=%d.\n", is_update);
1327 if (is_update) {
1328 if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0)
1329 valid = 1;
1330 else if (start == (ha->flt_region_boot * 4) ||
1331 start == (ha->flt_region_fw * 4))
1332 valid = 1;
1333 else if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha) ||
1334 IS_CNA_CAPABLE(ha) || IS_QLA2031(ha))
1335 valid = 1;
1336 if (!valid) {
1337 ql_log(ql_log_warn, vha, 0x7058,
1338 "Invalid start region 0x%x/0x%x.\n", start,
1339 bsg_job->request_payload.payload_len);
1340 return -EINVAL;
1341 }
1342
1343 ha->optrom_region_size = start +
1344 bsg_job->request_payload.payload_len > ha->optrom_size ?
1345 ha->optrom_size - start :
1346 bsg_job->request_payload.payload_len;
1347 ha->optrom_state = QLA_SWRITING;
1348 } else {
1349 ha->optrom_region_size = start +
1350 bsg_job->reply_payload.payload_len > ha->optrom_size ?
1351 ha->optrom_size - start :
1352 bsg_job->reply_payload.payload_len;
1353 ha->optrom_state = QLA_SREADING;
1354 }
1355
1356 ha->optrom_buffer = vmalloc(ha->optrom_region_size);
1357 if (!ha->optrom_buffer) {
1358 ql_log(ql_log_warn, vha, 0x7059,
1359 "Read: Unable to allocate memory for optrom retrieval "
1360 "(%x)\n", ha->optrom_region_size);
1361
1362 ha->optrom_state = QLA_SWAITING;
1363 return -ENOMEM;
1364 }
1365
1366 memset(ha->optrom_buffer, 0, ha->optrom_region_size);
1367 return 0;
1368 }
1369
1370 static int
1371 qla2x00_read_optrom(struct fc_bsg_job *bsg_job)
1372 {
1373 struct Scsi_Host *host = bsg_job->shost;
1374 scsi_qla_host_t *vha = shost_priv(host);
1375 struct qla_hw_data *ha = vha->hw;
1376 int rval = 0;
1377
1378 if (ha->flags.nic_core_reset_hdlr_active)
1379 return -EBUSY;
1380
1381 rval = qla2x00_optrom_setup(bsg_job, vha, 0);
1382 if (rval)
1383 return rval;
1384
1385 ha->isp_ops->read_optrom(vha, ha->optrom_buffer,
1386 ha->optrom_region_start, ha->optrom_region_size);
1387
1388 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1389 bsg_job->reply_payload.sg_cnt, ha->optrom_buffer,
1390 ha->optrom_region_size);
1391
1392 bsg_job->reply->reply_payload_rcv_len = ha->optrom_region_size;
1393 bsg_job->reply->result = DID_OK;
1394 vfree(ha->optrom_buffer);
1395 ha->optrom_buffer = NULL;
1396 ha->optrom_state = QLA_SWAITING;
1397 bsg_job->job_done(bsg_job);
1398 return rval;
1399 }
1400
1401 static int
1402 qla2x00_update_optrom(struct fc_bsg_job *bsg_job)
1403 {
1404 struct Scsi_Host *host = bsg_job->shost;
1405 scsi_qla_host_t *vha = shost_priv(host);
1406 struct qla_hw_data *ha = vha->hw;
1407 int rval = 0;
1408
1409 rval = qla2x00_optrom_setup(bsg_job, vha, 1);
1410 if (rval)
1411 return rval;
1412
1413 /* Set the isp82xx_no_md_cap not to capture minidump */
1414 ha->flags.isp82xx_no_md_cap = 1;
1415
1416 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1417 bsg_job->request_payload.sg_cnt, ha->optrom_buffer,
1418 ha->optrom_region_size);
1419
1420 ha->isp_ops->write_optrom(vha, ha->optrom_buffer,
1421 ha->optrom_region_start, ha->optrom_region_size);
1422
1423 bsg_job->reply->result = DID_OK;
1424 vfree(ha->optrom_buffer);
1425 ha->optrom_buffer = NULL;
1426 ha->optrom_state = QLA_SWAITING;
1427 bsg_job->job_done(bsg_job);
1428 return rval;
1429 }
1430
1431 static int
1432 qla2x00_update_fru_versions(struct fc_bsg_job *bsg_job)
1433 {
1434 struct Scsi_Host *host = bsg_job->shost;
1435 scsi_qla_host_t *vha = shost_priv(host);
1436 struct qla_hw_data *ha = vha->hw;
1437 int rval = 0;
1438 uint8_t bsg[DMA_POOL_SIZE];
1439 struct qla_image_version_list *list = (void *)bsg;
1440 struct qla_image_version *image;
1441 uint32_t count;
1442 dma_addr_t sfp_dma;
1443 void *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1444 if (!sfp) {
1445 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
1446 EXT_STATUS_NO_MEMORY;
1447 goto done;
1448 }
1449
1450 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1451 bsg_job->request_payload.sg_cnt, list, sizeof(bsg));
1452
1453 image = list->version;
1454 count = list->count;
1455 while (count--) {
1456 memcpy(sfp, &image->field_info, sizeof(image->field_info));
1457 rval = qla2x00_write_sfp(vha, sfp_dma, sfp,
1458 image->field_address.device, image->field_address.offset,
1459 sizeof(image->field_info), image->field_address.option);
1460 if (rval) {
1461 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
1462 EXT_STATUS_MAILBOX;
1463 goto dealloc;
1464 }
1465 image++;
1466 }
1467
1468 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1469
1470 dealloc:
1471 dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1472
1473 done:
1474 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1475 bsg_job->reply->result = DID_OK << 16;
1476 bsg_job->job_done(bsg_job);
1477
1478 return 0;
1479 }
1480
1481 static int
1482 qla2x00_read_fru_status(struct fc_bsg_job *bsg_job)
1483 {
1484 struct Scsi_Host *host = bsg_job->shost;
1485 scsi_qla_host_t *vha = shost_priv(host);
1486 struct qla_hw_data *ha = vha->hw;
1487 int rval = 0;
1488 uint8_t bsg[DMA_POOL_SIZE];
1489 struct qla_status_reg *sr = (void *)bsg;
1490 dma_addr_t sfp_dma;
1491 uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1492 if (!sfp) {
1493 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
1494 EXT_STATUS_NO_MEMORY;
1495 goto done;
1496 }
1497
1498 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1499 bsg_job->request_payload.sg_cnt, sr, sizeof(*sr));
1500
1501 rval = qla2x00_read_sfp(vha, sfp_dma, sfp,
1502 sr->field_address.device, sr->field_address.offset,
1503 sizeof(sr->status_reg), sr->field_address.option);
1504 sr->status_reg = *sfp;
1505
1506 if (rval) {
1507 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
1508 EXT_STATUS_MAILBOX;
1509 goto dealloc;
1510 }
1511
1512 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1513 bsg_job->reply_payload.sg_cnt, sr, sizeof(*sr));
1514
1515 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1516
1517 dealloc:
1518 dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1519
1520 done:
1521 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1522 bsg_job->reply->reply_payload_rcv_len = sizeof(*sr);
1523 bsg_job->reply->result = DID_OK << 16;
1524 bsg_job->job_done(bsg_job);
1525
1526 return 0;
1527 }
1528
1529 static int
1530 qla2x00_write_fru_status(struct fc_bsg_job *bsg_job)
1531 {
1532 struct Scsi_Host *host = bsg_job->shost;
1533 scsi_qla_host_t *vha = shost_priv(host);
1534 struct qla_hw_data *ha = vha->hw;
1535 int rval = 0;
1536 uint8_t bsg[DMA_POOL_SIZE];
1537 struct qla_status_reg *sr = (void *)bsg;
1538 dma_addr_t sfp_dma;
1539 uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1540 if (!sfp) {
1541 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
1542 EXT_STATUS_NO_MEMORY;
1543 goto done;
1544 }
1545
1546 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1547 bsg_job->request_payload.sg_cnt, sr, sizeof(*sr));
1548
1549 *sfp = sr->status_reg;
1550 rval = qla2x00_write_sfp(vha, sfp_dma, sfp,
1551 sr->field_address.device, sr->field_address.offset,
1552 sizeof(sr->status_reg), sr->field_address.option);
1553
1554 if (rval) {
1555 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
1556 EXT_STATUS_MAILBOX;
1557 goto dealloc;
1558 }
1559
1560 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1561
1562 dealloc:
1563 dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1564
1565 done:
1566 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1567 bsg_job->reply->result = DID_OK << 16;
1568 bsg_job->job_done(bsg_job);
1569
1570 return 0;
1571 }
1572
1573 static int
1574 qla2x00_write_i2c(struct fc_bsg_job *bsg_job)
1575 {
1576 struct Scsi_Host *host = bsg_job->shost;
1577 scsi_qla_host_t *vha = shost_priv(host);
1578 struct qla_hw_data *ha = vha->hw;
1579 int rval = 0;
1580 uint8_t bsg[DMA_POOL_SIZE];
1581 struct qla_i2c_access *i2c = (void *)bsg;
1582 dma_addr_t sfp_dma;
1583 uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1584 if (!sfp) {
1585 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
1586 EXT_STATUS_NO_MEMORY;
1587 goto done;
1588 }
1589
1590 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1591 bsg_job->request_payload.sg_cnt, i2c, sizeof(*i2c));
1592
1593 memcpy(sfp, i2c->buffer, i2c->length);
1594 rval = qla2x00_write_sfp(vha, sfp_dma, sfp,
1595 i2c->device, i2c->offset, i2c->length, i2c->option);
1596
1597 if (rval) {
1598 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
1599 EXT_STATUS_MAILBOX;
1600 goto dealloc;
1601 }
1602
1603 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1604
1605 dealloc:
1606 dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1607
1608 done:
1609 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1610 bsg_job->reply->result = DID_OK << 16;
1611 bsg_job->job_done(bsg_job);
1612
1613 return 0;
1614 }
1615
1616 static int
1617 qla2x00_read_i2c(struct fc_bsg_job *bsg_job)
1618 {
1619 struct Scsi_Host *host = bsg_job->shost;
1620 scsi_qla_host_t *vha = shost_priv(host);
1621 struct qla_hw_data *ha = vha->hw;
1622 int rval = 0;
1623 uint8_t bsg[DMA_POOL_SIZE];
1624 struct qla_i2c_access *i2c = (void *)bsg;
1625 dma_addr_t sfp_dma;
1626 uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
1627 if (!sfp) {
1628 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
1629 EXT_STATUS_NO_MEMORY;
1630 goto done;
1631 }
1632
1633 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1634 bsg_job->request_payload.sg_cnt, i2c, sizeof(*i2c));
1635
1636 rval = qla2x00_read_sfp(vha, sfp_dma, sfp,
1637 i2c->device, i2c->offset, i2c->length, i2c->option);
1638
1639 if (rval) {
1640 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
1641 EXT_STATUS_MAILBOX;
1642 goto dealloc;
1643 }
1644
1645 memcpy(i2c->buffer, sfp, i2c->length);
1646 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1647 bsg_job->reply_payload.sg_cnt, i2c, sizeof(*i2c));
1648
1649 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
1650
1651 dealloc:
1652 dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
1653
1654 done:
1655 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1656 bsg_job->reply->reply_payload_rcv_len = sizeof(*i2c);
1657 bsg_job->reply->result = DID_OK << 16;
1658 bsg_job->job_done(bsg_job);
1659
1660 return 0;
1661 }
1662
1663 static int
1664 qla24xx_process_bidir_cmd(struct fc_bsg_job *bsg_job)
1665 {
1666 struct Scsi_Host *host = bsg_job->shost;
1667 scsi_qla_host_t *vha = shost_priv(host);
1668 struct qla_hw_data *ha = vha->hw;
1669 uint16_t thread_id;
1670 uint32_t rval = EXT_STATUS_OK;
1671 uint16_t req_sg_cnt = 0;
1672 uint16_t rsp_sg_cnt = 0;
1673 uint16_t nextlid = 0;
1674 uint32_t tot_dsds;
1675 srb_t *sp = NULL;
1676 uint32_t req_data_len = 0;
1677 uint32_t rsp_data_len = 0;
1678
1679 /* Check the type of the adapter */
1680 if (!IS_BIDI_CAPABLE(ha)) {
1681 ql_log(ql_log_warn, vha, 0x70a0,
1682 "This adapter is not supported\n");
1683 rval = EXT_STATUS_NOT_SUPPORTED;
1684 goto done;
1685 }
1686
1687 if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
1688 test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
1689 test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
1690 rval = EXT_STATUS_BUSY;
1691 goto done;
1692 }
1693
1694 /* Check if host is online */
1695 if (!vha->flags.online) {
1696 ql_log(ql_log_warn, vha, 0x70a1,
1697 "Host is not online\n");
1698 rval = EXT_STATUS_DEVICE_OFFLINE;
1699 goto done;
1700 }
1701
1702 /* Check if cable is plugged in or not */
1703 if (vha->device_flags & DFLG_NO_CABLE) {
1704 ql_log(ql_log_warn, vha, 0x70a2,
1705 "Cable is unplugged...\n");
1706 rval = EXT_STATUS_INVALID_CFG;
1707 goto done;
1708 }
1709
1710 /* Check if the switch is connected or not */
1711 if (ha->current_topology != ISP_CFG_F) {
1712 ql_log(ql_log_warn, vha, 0x70a3,
1713 "Host is not connected to the switch\n");
1714 rval = EXT_STATUS_INVALID_CFG;
1715 goto done;
1716 }
1717
1718 /* Check if operating mode is P2P */
1719 if (ha->operating_mode != P2P) {
1720 ql_log(ql_log_warn, vha, 0x70a4,
1721 "Host is operating mode is not P2p\n");
1722 rval = EXT_STATUS_INVALID_CFG;
1723 goto done;
1724 }
1725
1726 thread_id = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
1727
1728 mutex_lock(&ha->selflogin_lock);
1729 if (vha->self_login_loop_id == 0) {
1730 /* Initialize all required fields of fcport */
1731 vha->bidir_fcport.vha = vha;
1732 vha->bidir_fcport.d_id.b.al_pa = vha->d_id.b.al_pa;
1733 vha->bidir_fcport.d_id.b.area = vha->d_id.b.area;
1734 vha->bidir_fcport.d_id.b.domain = vha->d_id.b.domain;
1735 vha->bidir_fcport.loop_id = vha->loop_id;
1736
1737 if (qla2x00_fabric_login(vha, &(vha->bidir_fcport), &nextlid)) {
1738 ql_log(ql_log_warn, vha, 0x70a7,
1739 "Failed to login port %06X for bidirectional IOCB\n",
1740 vha->bidir_fcport.d_id.b24);
1741 mutex_unlock(&ha->selflogin_lock);
1742 rval = EXT_STATUS_MAILBOX;
1743 goto done;
1744 }
1745 vha->self_login_loop_id = nextlid - 1;
1746
1747 }
1748 /* Assign the self login loop id to fcport */
1749 mutex_unlock(&ha->selflogin_lock);
1750
1751 vha->bidir_fcport.loop_id = vha->self_login_loop_id;
1752
1753 req_sg_cnt = dma_map_sg(&ha->pdev->dev,
1754 bsg_job->request_payload.sg_list,
1755 bsg_job->request_payload.sg_cnt,
1756 DMA_TO_DEVICE);
1757
1758 if (!req_sg_cnt) {
1759 rval = EXT_STATUS_NO_MEMORY;
1760 goto done;
1761 }
1762
1763 rsp_sg_cnt = dma_map_sg(&ha->pdev->dev,
1764 bsg_job->reply_payload.sg_list, bsg_job->reply_payload.sg_cnt,
1765 DMA_FROM_DEVICE);
1766
1767 if (!rsp_sg_cnt) {
1768 rval = EXT_STATUS_NO_MEMORY;
1769 goto done_unmap_req_sg;
1770 }
1771
1772 if ((req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
1773 (rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
1774 ql_dbg(ql_dbg_user, vha, 0x70a9,
1775 "Dma mapping resulted in different sg counts "
1776 "[request_sg_cnt: %x dma_request_sg_cnt: %x reply_sg_cnt: "
1777 "%x dma_reply_sg_cnt: %x]\n",
1778 bsg_job->request_payload.sg_cnt, req_sg_cnt,
1779 bsg_job->reply_payload.sg_cnt, rsp_sg_cnt);
1780 rval = EXT_STATUS_NO_MEMORY;
1781 goto done_unmap_sg;
1782 }
1783
1784 if (req_data_len != rsp_data_len) {
1785 rval = EXT_STATUS_BUSY;
1786 ql_log(ql_log_warn, vha, 0x70aa,
1787 "req_data_len != rsp_data_len\n");
1788 goto done_unmap_sg;
1789 }
1790
1791 req_data_len = bsg_job->request_payload.payload_len;
1792 rsp_data_len = bsg_job->reply_payload.payload_len;
1793
1794
1795 /* Alloc SRB structure */
1796 sp = qla2x00_get_sp(vha, &(vha->bidir_fcport), GFP_KERNEL);
1797 if (!sp) {
1798 ql_dbg(ql_dbg_user, vha, 0x70ac,
1799 "Alloc SRB structure failed\n");
1800 rval = EXT_STATUS_NO_MEMORY;
1801 goto done_unmap_sg;
1802 }
1803
1804 /*Populate srb->ctx with bidir ctx*/
1805 sp->u.bsg_job = bsg_job;
1806 sp->free = qla2x00_bsg_sp_free;
1807 sp->type = SRB_BIDI_CMD;
1808 sp->done = qla2x00_bsg_job_done;
1809
1810 /* Add the read and write sg count */
1811 tot_dsds = rsp_sg_cnt + req_sg_cnt;
1812
1813 rval = qla2x00_start_bidir(sp, vha, tot_dsds);
1814 if (rval != EXT_STATUS_OK)
1815 goto done_free_srb;
1816 /* the bsg request will be completed in the interrupt handler */
1817 return rval;
1818
1819 done_free_srb:
1820 mempool_free(sp, ha->srb_mempool);
1821 done_unmap_sg:
1822 dma_unmap_sg(&ha->pdev->dev,
1823 bsg_job->reply_payload.sg_list,
1824 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
1825 done_unmap_req_sg:
1826 dma_unmap_sg(&ha->pdev->dev,
1827 bsg_job->request_payload.sg_list,
1828 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1829 done:
1830
1831 /* Return an error vendor specific response
1832 * and complete the bsg request
1833 */
1834 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = rval;
1835 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1836 bsg_job->reply->reply_payload_rcv_len = 0;
1837 bsg_job->reply->result = (DID_OK) << 16;
1838 bsg_job->job_done(bsg_job);
1839 /* Always retrun success, vendor rsp carries correct status */
1840 return 0;
1841 }
1842
1843 static int
1844 qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job)
1845 {
1846 switch (bsg_job->request->rqst_data.h_vendor.vendor_cmd[0]) {
1847 case QL_VND_LOOPBACK:
1848 return qla2x00_process_loopback(bsg_job);
1849
1850 case QL_VND_A84_RESET:
1851 return qla84xx_reset(bsg_job);
1852
1853 case QL_VND_A84_UPDATE_FW:
1854 return qla84xx_updatefw(bsg_job);
1855
1856 case QL_VND_A84_MGMT_CMD:
1857 return qla84xx_mgmt_cmd(bsg_job);
1858
1859 case QL_VND_IIDMA:
1860 return qla24xx_iidma(bsg_job);
1861
1862 case QL_VND_FCP_PRIO_CFG_CMD:
1863 return qla24xx_proc_fcp_prio_cfg_cmd(bsg_job);
1864
1865 case QL_VND_READ_FLASH:
1866 return qla2x00_read_optrom(bsg_job);
1867
1868 case QL_VND_UPDATE_FLASH:
1869 return qla2x00_update_optrom(bsg_job);
1870
1871 case QL_VND_SET_FRU_VERSION:
1872 return qla2x00_update_fru_versions(bsg_job);
1873
1874 case QL_VND_READ_FRU_STATUS:
1875 return qla2x00_read_fru_status(bsg_job);
1876
1877 case QL_VND_WRITE_FRU_STATUS:
1878 return qla2x00_write_fru_status(bsg_job);
1879
1880 case QL_VND_WRITE_I2C:
1881 return qla2x00_write_i2c(bsg_job);
1882
1883 case QL_VND_READ_I2C:
1884 return qla2x00_read_i2c(bsg_job);
1885
1886 case QL_VND_DIAG_IO_CMD:
1887 return qla24xx_process_bidir_cmd(bsg_job);
1888
1889 default:
1890 bsg_job->reply->result = (DID_ERROR << 16);
1891 bsg_job->job_done(bsg_job);
1892 return -ENOSYS;
1893 }
1894 }
1895
1896 int
1897 qla24xx_bsg_request(struct fc_bsg_job *bsg_job)
1898 {
1899 int ret = -EINVAL;
1900 struct fc_rport *rport;
1901 fc_port_t *fcport = NULL;
1902 struct Scsi_Host *host;
1903 scsi_qla_host_t *vha;
1904
1905 /* In case no data transferred. */
1906 bsg_job->reply->reply_payload_rcv_len = 0;
1907
1908 if (bsg_job->request->msgcode == FC_BSG_RPT_ELS) {
1909 rport = bsg_job->rport;
1910 fcport = *(fc_port_t **) rport->dd_data;
1911 host = rport_to_shost(rport);
1912 vha = shost_priv(host);
1913 } else {
1914 host = bsg_job->shost;
1915 vha = shost_priv(host);
1916 }
1917
1918 if (qla2x00_reset_active(vha)) {
1919 ql_dbg(ql_dbg_user, vha, 0x709f,
1920 "BSG: ISP abort active/needed -- cmd=%d.\n",
1921 bsg_job->request->msgcode);
1922 bsg_job->reply->result = (DID_ERROR << 16);
1923 bsg_job->job_done(bsg_job);
1924 return -EBUSY;
1925 }
1926
1927 ql_dbg(ql_dbg_user, vha, 0x7000,
1928 "Entered %s msgcode=0x%x.\n", __func__, bsg_job->request->msgcode);
1929
1930 switch (bsg_job->request->msgcode) {
1931 case FC_BSG_RPT_ELS:
1932 case FC_BSG_HST_ELS_NOLOGIN:
1933 ret = qla2x00_process_els(bsg_job);
1934 break;
1935 case FC_BSG_HST_CT:
1936 ret = qla2x00_process_ct(bsg_job);
1937 break;
1938 case FC_BSG_HST_VENDOR:
1939 ret = qla2x00_process_vendor_specific(bsg_job);
1940 break;
1941 case FC_BSG_HST_ADD_RPORT:
1942 case FC_BSG_HST_DEL_RPORT:
1943 case FC_BSG_RPT_CT:
1944 default:
1945 ql_log(ql_log_warn, vha, 0x705a, "Unsupported BSG request.\n");
1946 bsg_job->reply->result = ret;
1947 break;
1948 }
1949 return ret;
1950 }
1951
1952 int
1953 qla24xx_bsg_timeout(struct fc_bsg_job *bsg_job)
1954 {
1955 scsi_qla_host_t *vha = shost_priv(bsg_job->shost);
1956 struct qla_hw_data *ha = vha->hw;
1957 srb_t *sp;
1958 int cnt, que;
1959 unsigned long flags;
1960 struct req_que *req;
1961
1962 /* find the bsg job from the active list of commands */
1963 spin_lock_irqsave(&ha->hardware_lock, flags);
1964 for (que = 0; que < ha->max_req_queues; que++) {
1965 req = ha->req_q_map[que];
1966 if (!req)
1967 continue;
1968
1969 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1970 sp = req->outstanding_cmds[cnt];
1971 if (sp) {
1972 if (((sp->type == SRB_CT_CMD) ||
1973 (sp->type == SRB_ELS_CMD_HST))
1974 && (sp->u.bsg_job == bsg_job)) {
1975 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1976 if (ha->isp_ops->abort_command(sp)) {
1977 ql_log(ql_log_warn, vha, 0x7089,
1978 "mbx abort_command "
1979 "failed.\n");
1980 bsg_job->req->errors =
1981 bsg_job->reply->result = -EIO;
1982 } else {
1983 ql_dbg(ql_dbg_user, vha, 0x708a,
1984 "mbx abort_command "
1985 "success.\n");
1986 bsg_job->req->errors =
1987 bsg_job->reply->result = 0;
1988 }
1989 spin_lock_irqsave(&ha->hardware_lock, flags);
1990 goto done;
1991 }
1992 }
1993 }
1994 }
1995 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1996 ql_log(ql_log_info, vha, 0x708b, "SRB not found to abort.\n");
1997 bsg_job->req->errors = bsg_job->reply->result = -ENXIO;
1998 return 0;
1999
2000 done:
2001 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2002 if (bsg_job->request->msgcode == FC_BSG_HST_CT)
2003 kfree(sp->fcport);
2004 mempool_free(sp, ha->srb_mempool);
2005 return 0;
2006 }
kernel source for telekom puls (alcatel/mediatek)