1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2011 QLogic Corporation
4 *
5 * See LICENSE.qla2xxx for copyright and licensing details.
6 */
7 #include "qla_def.h"
8
9 #include <linux/kthread.h>
10 #include <linux/vmalloc.h>
11 #include <linux/delay.h>
12
13 /* BSG support for ELS/CT pass through */
14 void
qla2x00_bsg_job_done(void * data,void * ptr,int res)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
qla2x00_bsg_sp_free(void * data,void * ptr)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
qla24xx_fcp_prio_cfg_valid(scsi_qla_host_t * vha,struct qla_fcp_prio_cfg * pri_cfg,uint8_t flag)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
qla24xx_proc_fcp_prio_cfg_cmd(struct fc_bsg_job * bsg_job)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
qla2x00_process_els(struct fc_bsg_job * bsg_job)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->vp_idx = vha->vp_idx;
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
qla24xx_calc_ct_iocbs(uint16_t dsds)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
qla2x00_process_ct(struct fc_bsg_job * bsg_job)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->vp_idx = vha->vp_idx;
487 fcport->d_id.b.al_pa = bsg_job->request->rqst_data.h_ct.port_id[0];
488 fcport->d_id.b.area = bsg_job->request->rqst_data.h_ct.port_id[1];
489 fcport->d_id.b.domain = bsg_job->request->rqst_data.h_ct.port_id[2];
490 fcport->loop_id = loop_id;
491
492 /* Alloc SRB structure */
493 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
494 if (!sp) {
495 ql_log(ql_log_warn, vha, 0x7015,
496 "qla2x00_get_sp failed.\n");
497 rval = -ENOMEM;
498 goto done_free_fcport;
499 }
500
501 sp->type = SRB_CT_CMD;
502 sp->name = "bsg_ct";
503 sp->iocbs = qla24xx_calc_ct_iocbs(req_sg_cnt + rsp_sg_cnt);
504 sp->u.bsg_job = bsg_job;
505 sp->free = qla2x00_bsg_sp_free;
506 sp->done = qla2x00_bsg_job_done;
507
508 ql_dbg(ql_dbg_user, vha, 0x7016,
509 "bsg rqst type: %s else type: %x - "
510 "loop-id=%x portid=%02x%02x%02x.\n", type,
511 (bsg_job->request->rqst_data.h_ct.preamble_word2 >> 16),
512 fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area,
513 fcport->d_id.b.al_pa);
514
515 rval = qla2x00_start_sp(sp);
516 if (rval != QLA_SUCCESS) {
517 ql_log(ql_log_warn, vha, 0x7017,
518 "qla2x00_start_sp failed=%d.\n", rval);
519 mempool_free(sp, ha->srb_mempool);
520 rval = -EIO;
521 goto done_free_fcport;
522 }
523 return rval;
524
525 done_free_fcport:
526 kfree(fcport);
527 done_unmap_sg:
528 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
529 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
530 dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
531 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
532 done:
533 return rval;
534 }
535
536 /* Set the port configuration to enable the
537 * internal loopback on ISP81XX
538 */
539 static inline int
qla81xx_set_internal_loopback(scsi_qla_host_t * vha,uint16_t * config,uint16_t * new_config)540 qla81xx_set_internal_loopback(scsi_qla_host_t *vha, uint16_t *config,
541 uint16_t *new_config)
542 {
543 int ret = 0;
544 int rval = 0;
545 struct qla_hw_data *ha = vha->hw;
546
547 if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha))
548 goto done_set_internal;
549
550 new_config[0] = config[0] | (ENABLE_INTERNAL_LOOPBACK << 1);
551 memcpy(&new_config[1], &config[1], sizeof(uint16_t) * 3) ;
552
553 ha->notify_dcbx_comp = 1;
554 ret = qla81xx_set_port_config(vha, new_config);
555 if (ret != QLA_SUCCESS) {
556 ql_log(ql_log_warn, vha, 0x7021,
557 "set port config failed.\n");
558 ha->notify_dcbx_comp = 0;
559 rval = -EINVAL;
560 goto done_set_internal;
561 }
562
563 /* Wait for DCBX complete event */
564 if (!wait_for_completion_timeout(&ha->dcbx_comp, (20 * HZ))) {
565 ql_dbg(ql_dbg_user, vha, 0x7022,
566 "State change notification not received.\n");
567 } else
568 ql_dbg(ql_dbg_user, vha, 0x7023,
569 "State change received.\n");
570
571 ha->notify_dcbx_comp = 0;
572
573 done_set_internal:
574 return rval;
575 }
576
577 /* Set the port configuration to disable the
578 * internal loopback on ISP81XX
579 */
580 static inline int
qla81xx_reset_internal_loopback(scsi_qla_host_t * vha,uint16_t * config,int wait)581 qla81xx_reset_internal_loopback(scsi_qla_host_t *vha, uint16_t *config,
582 int wait)
583 {
584 int ret = 0;
585 int rval = 0;
586 uint16_t new_config[4];
587 struct qla_hw_data *ha = vha->hw;
588
589 if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha))
590 goto done_reset_internal;
591
592 memset(new_config, 0 , sizeof(new_config));
593 if ((config[0] & INTERNAL_LOOPBACK_MASK) >> 1 ==
594 ENABLE_INTERNAL_LOOPBACK) {
595 new_config[0] = config[0] & ~INTERNAL_LOOPBACK_MASK;
596 memcpy(&new_config[1], &config[1], sizeof(uint16_t) * 3) ;
597
598 ha->notify_dcbx_comp = wait;
599 ret = qla81xx_set_port_config(vha, new_config);
600 if (ret != QLA_SUCCESS) {
601 ql_log(ql_log_warn, vha, 0x7025,
602 "Set port config failed.\n");
603 ha->notify_dcbx_comp = 0;
604 rval = -EINVAL;
605 goto done_reset_internal;
606 }
607
608 /* Wait for DCBX complete event */
609 if (wait && !wait_for_completion_timeout(&ha->dcbx_comp,
610 (20 * HZ))) {
611 ql_dbg(ql_dbg_user, vha, 0x7026,
612 "State change notification not received.\n");
613 ha->notify_dcbx_comp = 0;
614 rval = -EINVAL;
615 goto done_reset_internal;
616 } else
617 ql_dbg(ql_dbg_user, vha, 0x7027,
618 "State change received.\n");
619
620 ha->notify_dcbx_comp = 0;
621 }
622 done_reset_internal:
623 return rval;
624 }
625
626 static int
qla2x00_process_loopback(struct fc_bsg_job * bsg_job)627 qla2x00_process_loopback(struct fc_bsg_job *bsg_job)
628 {
629 struct Scsi_Host *host = bsg_job->shost;
630 scsi_qla_host_t *vha = shost_priv(host);
631 struct qla_hw_data *ha = vha->hw;
632 int rval;
633 uint8_t command_sent;
634 char *type;
635 struct msg_echo_lb elreq;
636 uint16_t response[MAILBOX_REGISTER_COUNT];
637 uint16_t config[4], new_config[4];
638 uint8_t *fw_sts_ptr;
639 uint8_t *req_data = NULL;
640 dma_addr_t req_data_dma;
641 uint32_t req_data_len;
642 uint8_t *rsp_data = NULL;
643 dma_addr_t rsp_data_dma;
644 uint32_t rsp_data_len;
645
646 if (!vha->flags.online) {
647 ql_log(ql_log_warn, vha, 0x7019, "Host is not online.\n");
648 return -EIO;
649 }
650
651 elreq.req_sg_cnt = dma_map_sg(&ha->pdev->dev,
652 bsg_job->request_payload.sg_list, bsg_job->request_payload.sg_cnt,
653 DMA_TO_DEVICE);
654
655 if (!elreq.req_sg_cnt) {
656 ql_log(ql_log_warn, vha, 0x701a,
657 "dma_map_sg returned %d for request.\n", elreq.req_sg_cnt);
658 return -ENOMEM;
659 }
660
661 elreq.rsp_sg_cnt = dma_map_sg(&ha->pdev->dev,
662 bsg_job->reply_payload.sg_list, bsg_job->reply_payload.sg_cnt,
663 DMA_FROM_DEVICE);
664
665 if (!elreq.rsp_sg_cnt) {
666 ql_log(ql_log_warn, vha, 0x701b,
667 "dma_map_sg returned %d for reply.\n", elreq.rsp_sg_cnt);
668 rval = -ENOMEM;
669 goto done_unmap_req_sg;
670 }
671
672 if ((elreq.req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
673 (elreq.rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
674 ql_log(ql_log_warn, vha, 0x701c,
675 "dma mapping resulted in different sg counts, "
676 "request_sg_cnt: %x dma_request_sg_cnt: %x "
677 "reply_sg_cnt: %x dma_reply_sg_cnt: %x.\n",
678 bsg_job->request_payload.sg_cnt, elreq.req_sg_cnt,
679 bsg_job->reply_payload.sg_cnt, elreq.rsp_sg_cnt);
680 rval = -EAGAIN;
681 goto done_unmap_sg;
682 }
683 req_data_len = rsp_data_len = bsg_job->request_payload.payload_len;
684 req_data = dma_alloc_coherent(&ha->pdev->dev, req_data_len,
685 &req_data_dma, GFP_KERNEL);
686 if (!req_data) {
687 ql_log(ql_log_warn, vha, 0x701d,
688 "dma alloc failed for req_data.\n");
689 rval = -ENOMEM;
690 goto done_unmap_sg;
691 }
692
693 rsp_data = dma_alloc_coherent(&ha->pdev->dev, rsp_data_len,
694 &rsp_data_dma, GFP_KERNEL);
695 if (!rsp_data) {
696 ql_log(ql_log_warn, vha, 0x7004,
697 "dma alloc failed for rsp_data.\n");
698 rval = -ENOMEM;
699 goto done_free_dma_req;
700 }
701
702 /* Copy the request buffer in req_data now */
703 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
704 bsg_job->request_payload.sg_cnt, req_data, req_data_len);
705
706 elreq.send_dma = req_data_dma;
707 elreq.rcv_dma = rsp_data_dma;
708 elreq.transfer_size = req_data_len;
709
710 elreq.options = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
711
712 if ((ha->current_topology == ISP_CFG_F ||
713 (atomic_read(&vha->loop_state) == LOOP_DOWN) ||
714 ((IS_QLA81XX(ha) || IS_QLA83XX(ha)) &&
715 le32_to_cpu(*(uint32_t *)req_data) == ELS_OPCODE_BYTE
716 && req_data_len == MAX_ELS_FRAME_PAYLOAD)) &&
717 elreq.options == EXTERNAL_LOOPBACK) {
718 type = "FC_BSG_HST_VENDOR_ECHO_DIAG";
719 ql_dbg(ql_dbg_user, vha, 0x701e,
720 "BSG request type: %s.\n", type);
721 command_sent = INT_DEF_LB_ECHO_CMD;
722 rval = qla2x00_echo_test(vha, &elreq, response);
723 } else {
724 if (IS_QLA81XX(ha) || IS_QLA8031(ha)) {
725 memset(config, 0, sizeof(config));
726 memset(new_config, 0, sizeof(new_config));
727 if (qla81xx_get_port_config(vha, config)) {
728 ql_log(ql_log_warn, vha, 0x701f,
729 "Get port config failed.\n");
730 bsg_job->reply->result = (DID_ERROR << 16);
731 rval = -EPERM;
732 goto done_free_dma_req;
733 }
734
735 if (elreq.options != EXTERNAL_LOOPBACK) {
736 ql_dbg(ql_dbg_user, vha, 0x7020,
737 "Internal: current port config = %x\n",
738 config[0]);
739 if (qla81xx_set_internal_loopback(vha, config,
740 new_config)) {
741 ql_log(ql_log_warn, vha, 0x7024,
742 "Internal loopback failed.\n");
743 bsg_job->reply->result =
744 (DID_ERROR << 16);
745 rval = -EPERM;
746 goto done_free_dma_req;
747 }
748 } else {
749 /* For external loopback to work
750 * ensure internal loopback is disabled
751 */
752 if (qla81xx_reset_internal_loopback(vha,
753 config, 1)) {
754 bsg_job->reply->result =
755 (DID_ERROR << 16);
756 rval = -EPERM;
757 goto done_free_dma_req;
758 }
759 }
760
761 type = "FC_BSG_HST_VENDOR_LOOPBACK";
762 ql_dbg(ql_dbg_user, vha, 0x7028,
763 "BSG request type: %s.\n", type);
764
765 command_sent = INT_DEF_LB_LOOPBACK_CMD;
766 rval = qla2x00_loopback_test(vha, &elreq, response);
767
768 if (new_config[0]) {
769 /* Revert back to original port config
770 * Also clear internal loopback
771 */
772 qla81xx_reset_internal_loopback(vha,
773 new_config, 0);
774 }
775
776 if (response[0] == MBS_COMMAND_ERROR &&
777 response[1] == MBS_LB_RESET) {
778 ql_log(ql_log_warn, vha, 0x7029,
779 "MBX command error, Aborting ISP.\n");
780 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
781 qla2xxx_wake_dpc(vha);
782 qla2x00_wait_for_chip_reset(vha);
783 /* Also reset the MPI */
784 if (qla81xx_restart_mpi_firmware(vha) !=
785 QLA_SUCCESS) {
786 ql_log(ql_log_warn, vha, 0x702a,
787 "MPI reset failed.\n");
788 }
789
790 bsg_job->reply->result = (DID_ERROR << 16);
791 rval = -EIO;
792 goto done_free_dma_req;
793 }
794 } else {
795 type = "FC_BSG_HST_VENDOR_LOOPBACK";
796 ql_dbg(ql_dbg_user, vha, 0x702b,
797 "BSG request type: %s.\n", type);
798 command_sent = INT_DEF_LB_LOOPBACK_CMD;
799 rval = qla2x00_loopback_test(vha, &elreq, response);
800 }
801 }
802
803 if (rval) {
804 ql_log(ql_log_warn, vha, 0x702c,
805 "Vendor request %s failed.\n", type);
806
807 fw_sts_ptr = ((uint8_t *)bsg_job->req->sense) +
808 sizeof(struct fc_bsg_reply);
809
810 memcpy(fw_sts_ptr, response, sizeof(response));
811 fw_sts_ptr += sizeof(response);
812 *fw_sts_ptr = command_sent;
813 rval = 0;
814 bsg_job->reply->result = (DID_ERROR << 16);
815 } else {
816 ql_dbg(ql_dbg_user, vha, 0x702d,
817 "Vendor request %s completed.\n", type);
818
819 bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
820 sizeof(response) + sizeof(uint8_t);
821 bsg_job->reply->reply_payload_rcv_len =
822 bsg_job->reply_payload.payload_len;
823 fw_sts_ptr = ((uint8_t *)bsg_job->req->sense) +
824 sizeof(struct fc_bsg_reply);
825 memcpy(fw_sts_ptr, response, sizeof(response));
826 fw_sts_ptr += sizeof(response);
827 *fw_sts_ptr = command_sent;
828 bsg_job->reply->result = DID_OK;
829 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
830 bsg_job->reply_payload.sg_cnt, rsp_data,
831 rsp_data_len);
832 }
833 bsg_job->job_done(bsg_job);
834
835 dma_free_coherent(&ha->pdev->dev, rsp_data_len,
836 rsp_data, rsp_data_dma);
837 done_free_dma_req:
838 dma_free_coherent(&ha->pdev->dev, req_data_len,
839 req_data, req_data_dma);
840 done_unmap_sg:
841 dma_unmap_sg(&ha->pdev->dev,
842 bsg_job->reply_payload.sg_list,
843 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
844 done_unmap_req_sg:
845 dma_unmap_sg(&ha->pdev->dev,
846 bsg_job->request_payload.sg_list,
847 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
848 return rval;
849 }
850
851 static int
qla84xx_reset(struct fc_bsg_job * bsg_job)852 qla84xx_reset(struct fc_bsg_job *bsg_job)
853 {
854 struct Scsi_Host *host = bsg_job->shost;
855 scsi_qla_host_t *vha = shost_priv(host);
856 struct qla_hw_data *ha = vha->hw;
857 int rval = 0;
858 uint32_t flag;
859
860 if (!IS_QLA84XX(ha)) {
861 ql_dbg(ql_dbg_user, vha, 0x702f, "Not 84xx, exiting.\n");
862 return -EINVAL;
863 }
864
865 flag = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
866
867 rval = qla84xx_reset_chip(vha, flag == A84_ISSUE_RESET_DIAG_FW);
868
869 if (rval) {
870 ql_log(ql_log_warn, vha, 0x7030,
871 "Vendor request 84xx reset failed.\n");
872 rval = 0;
873 bsg_job->reply->result = (DID_ERROR << 16);
874
875 } else {
876 ql_dbg(ql_dbg_user, vha, 0x7031,
877 "Vendor request 84xx reset completed.\n");
878 bsg_job->reply->result = DID_OK;
879 }
880
881 bsg_job->job_done(bsg_job);
882 return rval;
883 }
884
885 static int
qla84xx_updatefw(struct fc_bsg_job * bsg_job)886 qla84xx_updatefw(struct fc_bsg_job *bsg_job)
887 {
888 struct Scsi_Host *host = bsg_job->shost;
889 scsi_qla_host_t *vha = shost_priv(host);
890 struct qla_hw_data *ha = vha->hw;
891 struct verify_chip_entry_84xx *mn = NULL;
892 dma_addr_t mn_dma, fw_dma;
893 void *fw_buf = NULL;
894 int rval = 0;
895 uint32_t sg_cnt;
896 uint32_t data_len;
897 uint16_t options;
898 uint32_t flag;
899 uint32_t fw_ver;
900
901 if (!IS_QLA84XX(ha)) {
902 ql_dbg(ql_dbg_user, vha, 0x7032,
903 "Not 84xx, exiting.\n");
904 return -EINVAL;
905 }
906
907 sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
908 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
909 if (!sg_cnt) {
910 ql_log(ql_log_warn, vha, 0x7033,
911 "dma_map_sg returned %d for request.\n", sg_cnt);
912 return -ENOMEM;
913 }
914
915 if (sg_cnt != bsg_job->request_payload.sg_cnt) {
916 ql_log(ql_log_warn, vha, 0x7034,
917 "DMA mapping resulted in different sg counts, "
918 "request_sg_cnt: %x dma_request_sg_cnt: %x.\n",
919 bsg_job->request_payload.sg_cnt, sg_cnt);
920 rval = -EAGAIN;
921 goto done_unmap_sg;
922 }
923
924 data_len = bsg_job->request_payload.payload_len;
925 fw_buf = dma_alloc_coherent(&ha->pdev->dev, data_len,
926 &fw_dma, GFP_KERNEL);
927 if (!fw_buf) {
928 ql_log(ql_log_warn, vha, 0x7035,
929 "DMA alloc failed for fw_buf.\n");
930 rval = -ENOMEM;
931 goto done_unmap_sg;
932 }
933
934 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
935 bsg_job->request_payload.sg_cnt, fw_buf, data_len);
936
937 mn = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &mn_dma);
938 if (!mn) {
939 ql_log(ql_log_warn, vha, 0x7036,
940 "DMA alloc failed for fw buffer.\n");
941 rval = -ENOMEM;
942 goto done_free_fw_buf;
943 }
944
945 flag = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
946 fw_ver = le32_to_cpu(*((uint32_t *)((uint32_t *)fw_buf + 2)));
947
948 memset(mn, 0, sizeof(struct access_chip_84xx));
949 mn->entry_type = VERIFY_CHIP_IOCB_TYPE;
950 mn->entry_count = 1;
951
952 options = VCO_FORCE_UPDATE | VCO_END_OF_DATA;
953 if (flag == A84_ISSUE_UPDATE_DIAGFW_CMD)
954 options |= VCO_DIAG_FW;
955
956 mn->options = cpu_to_le16(options);
957 mn->fw_ver = cpu_to_le32(fw_ver);
958 mn->fw_size = cpu_to_le32(data_len);
959 mn->fw_seq_size = cpu_to_le32(data_len);
960 mn->dseg_address[0] = cpu_to_le32(LSD(fw_dma));
961 mn->dseg_address[1] = cpu_to_le32(MSD(fw_dma));
962 mn->dseg_length = cpu_to_le32(data_len);
963 mn->data_seg_cnt = cpu_to_le16(1);
964
965 rval = qla2x00_issue_iocb_timeout(vha, mn, mn_dma, 0, 120);
966
967 if (rval) {
968 ql_log(ql_log_warn, vha, 0x7037,
969 "Vendor request 84xx updatefw failed.\n");
970
971 rval = 0;
972 bsg_job->reply->result = (DID_ERROR << 16);
973 } else {
974 ql_dbg(ql_dbg_user, vha, 0x7038,
975 "Vendor request 84xx updatefw completed.\n");
976
977 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
978 bsg_job->reply->result = DID_OK;
979 }
980
981 bsg_job->job_done(bsg_job);
982 dma_pool_free(ha->s_dma_pool, mn, mn_dma);
983
984 done_free_fw_buf:
985 dma_free_coherent(&ha->pdev->dev, data_len, fw_buf, fw_dma);
986
987 done_unmap_sg:
988 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
989 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
990
991 return rval;
992 }
993
994 static int
qla84xx_mgmt_cmd(struct fc_bsg_job * bsg_job)995 qla84xx_mgmt_cmd(struct fc_bsg_job *bsg_job)
996 {
997 struct Scsi_Host *host = bsg_job->shost;
998 scsi_qla_host_t *vha = shost_priv(host);
999 struct qla_hw_data *ha = vha->hw;
1000 struct access_chip_84xx *mn = NULL;
1001 dma_addr_t mn_dma, mgmt_dma;
1002 void *mgmt_b = NULL;
1003 int rval = 0;
1004 struct qla_bsg_a84_mgmt *ql84_mgmt;
1005 uint32_t sg_cnt;
1006 uint32_t data_len = 0;
1007 uint32_t dma_direction = DMA_NONE;
1008
1009 if (!IS_QLA84XX(ha)) {
1010 ql_log(ql_log_warn, vha, 0x703a,
1011 "Not 84xx, exiting.\n");
1012 return -EINVAL;
1013 }
1014
1015 ql84_mgmt = (struct qla_bsg_a84_mgmt *)((char *)bsg_job->request +
1016 sizeof(struct fc_bsg_request));
1017 if (!ql84_mgmt) {
1018 ql_log(ql_log_warn, vha, 0x703b,
1019 "MGMT header not provided, exiting.\n");
1020 return -EINVAL;
1021 }
1022
1023 mn = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &mn_dma);
1024 if (!mn) {
1025 ql_log(ql_log_warn, vha, 0x703c,
1026 "DMA alloc failed for fw buffer.\n");
1027 return -ENOMEM;
1028 }
1029
1030 memset(mn, 0, sizeof(struct access_chip_84xx));
1031 mn->entry_type = ACCESS_CHIP_IOCB_TYPE;
1032 mn->entry_count = 1;
1033
1034 switch (ql84_mgmt->mgmt.cmd) {
1035 case QLA84_MGMT_READ_MEM:
1036 case QLA84_MGMT_GET_INFO:
1037 sg_cnt = dma_map_sg(&ha->pdev->dev,
1038 bsg_job->reply_payload.sg_list,
1039 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
1040 if (!sg_cnt) {
1041 ql_log(ql_log_warn, vha, 0x703d,
1042 "dma_map_sg returned %d for reply.\n", sg_cnt);
1043 rval = -ENOMEM;
1044 goto exit_mgmt;
1045 }
1046
1047 dma_direction = DMA_FROM_DEVICE;
1048
1049 if (sg_cnt != bsg_job->reply_payload.sg_cnt) {
1050 ql_log(ql_log_warn, vha, 0x703e,
1051 "DMA mapping resulted in different sg counts, "
1052 "reply_sg_cnt: %x dma_reply_sg_cnt: %x.\n",
1053 bsg_job->reply_payload.sg_cnt, sg_cnt);
1054 rval = -EAGAIN;
1055 goto done_unmap_sg;
1056 }
1057
1058 data_len = bsg_job->reply_payload.payload_len;
1059
1060 mgmt_b = dma_alloc_coherent(&ha->pdev->dev, data_len,
1061 &mgmt_dma, GFP_KERNEL);
1062 if (!mgmt_b) {
1063 ql_log(ql_log_warn, vha, 0x703f,
1064 "DMA alloc failed for mgmt_b.\n");
1065 rval = -ENOMEM;
1066 goto done_unmap_sg;
1067 }
1068
1069 if (ql84_mgmt->mgmt.cmd == QLA84_MGMT_READ_MEM) {
1070 mn->options = cpu_to_le16(ACO_DUMP_MEMORY);
1071 mn->parameter1 =
1072 cpu_to_le32(
1073 ql84_mgmt->mgmt.mgmtp.u.mem.start_addr);
1074
1075 } else if (ql84_mgmt->mgmt.cmd == QLA84_MGMT_GET_INFO) {
1076 mn->options = cpu_to_le16(ACO_REQUEST_INFO);
1077 mn->parameter1 =
1078 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.info.type);
1079
1080 mn->parameter2 =
1081 cpu_to_le32(
1082 ql84_mgmt->mgmt.mgmtp.u.info.context);
1083 }
1084 break;
1085
1086 case QLA84_MGMT_WRITE_MEM:
1087 sg_cnt = dma_map_sg(&ha->pdev->dev,
1088 bsg_job->request_payload.sg_list,
1089 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1090
1091 if (!sg_cnt) {
1092 ql_log(ql_log_warn, vha, 0x7040,
1093 "dma_map_sg returned %d.\n", sg_cnt);
1094 rval = -ENOMEM;
1095 goto exit_mgmt;
1096 }
1097
1098 dma_direction = DMA_TO_DEVICE;
1099
1100 if (sg_cnt != bsg_job->request_payload.sg_cnt) {
1101 ql_log(ql_log_warn, vha, 0x7041,
1102 "DMA mapping resulted in different sg counts, "
1103 "request_sg_cnt: %x dma_request_sg_cnt: %x.\n",
1104 bsg_job->request_payload.sg_cnt, sg_cnt);
1105 rval = -EAGAIN;
1106 goto done_unmap_sg;
1107 }
1108
1109 data_len = bsg_job->request_payload.payload_len;
1110 mgmt_b = dma_alloc_coherent(&ha->pdev->dev, data_len,
1111 &mgmt_dma, GFP_KERNEL);
1112 if (!mgmt_b) {
1113 ql_log(ql_log_warn, vha, 0x7042,
1114 "DMA alloc failed for mgmt_b.\n");
1115 rval = -ENOMEM;
1116 goto done_unmap_sg;
1117 }
1118
1119 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
1120 bsg_job->request_payload.sg_cnt, mgmt_b, data_len);
1121
1122 mn->options = cpu_to_le16(ACO_LOAD_MEMORY);
1123 mn->parameter1 =
1124 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.mem.start_addr);
1125 break;
1126
1127 case QLA84_MGMT_CHNG_CONFIG:
1128 mn->options = cpu_to_le16(ACO_CHANGE_CONFIG_PARAM);
1129 mn->parameter1 =
1130 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.id);
1131
1132 mn->parameter2 =
1133 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.param0);
1134
1135 mn->parameter3 =
1136 cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.param1);
1137 break;
1138
1139 default:
1140 rval = -EIO;
1141 goto exit_mgmt;
1142 }
1143
1144 if (ql84_mgmt->mgmt.cmd != QLA84_MGMT_CHNG_CONFIG) {
1145 mn->total_byte_cnt = cpu_to_le32(ql84_mgmt->mgmt.len);
1146 mn->dseg_count = cpu_to_le16(1);
1147 mn->dseg_address[0] = cpu_to_le32(LSD(mgmt_dma));
1148 mn->dseg_address[1] = cpu_to_le32(MSD(mgmt_dma));
1149 mn->dseg_length = cpu_to_le32(ql84_mgmt->mgmt.len);
1150 }
1151
1152 rval = qla2x00_issue_iocb(vha, mn, mn_dma, 0);
1153
1154 if (rval) {
1155 ql_log(ql_log_warn, vha, 0x7043,
1156 "Vendor request 84xx mgmt failed.\n");
1157
1158 rval = 0;
1159 bsg_job->reply->result = (DID_ERROR << 16);
1160
1161 } else {
1162 ql_dbg(ql_dbg_user, vha, 0x7044,
1163 "Vendor request 84xx mgmt completed.\n");
1164
1165 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1166 bsg_job->reply->result = DID_OK;
1167
1168 if ((ql84_mgmt->mgmt.cmd == QLA84_MGMT_READ_MEM) ||
1169 (ql84_mgmt->mgmt.cmd == QLA84_MGMT_GET_INFO)) {
1170 bsg_job->reply->reply_payload_rcv_len =
1171 bsg_job->reply_payload.payload_len;
1172
1173 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1174 bsg_job->reply_payload.sg_cnt, mgmt_b,
1175 data_len);
1176 }
1177 }
1178
1179 bsg_job->job_done(bsg_job);
1180
1181 done_unmap_sg:
1182 if (mgmt_b)
1183 dma_free_coherent(&ha->pdev->dev, data_len, mgmt_b, mgmt_dma);
1184
1185 if (dma_direction == DMA_TO_DEVICE)
1186 dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
1187 bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
1188 else if (dma_direction == DMA_FROM_DEVICE)
1189 dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
1190 bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
1191
1192 exit_mgmt:
1193 dma_pool_free(ha->s_dma_pool, mn, mn_dma);
1194
1195 return rval;
1196 }
1197
1198 static int
qla24xx_iidma(struct fc_bsg_job * bsg_job)1199 qla24xx_iidma(struct fc_bsg_job *bsg_job)
1200 {
1201 struct Scsi_Host *host = bsg_job->shost;
1202 scsi_qla_host_t *vha = shost_priv(host);
1203 int rval = 0;
1204 struct qla_port_param *port_param = NULL;
1205 fc_port_t *fcport = NULL;
1206 uint16_t mb[MAILBOX_REGISTER_COUNT];
1207 uint8_t *rsp_ptr = NULL;
1208
1209 if (!IS_IIDMA_CAPABLE(vha->hw)) {
1210 ql_log(ql_log_info, vha, 0x7046, "iiDMA not supported.\n");
1211 return -EINVAL;
1212 }
1213
1214 port_param = (struct qla_port_param *)((char *)bsg_job->request +
1215 sizeof(struct fc_bsg_request));
1216 if (!port_param) {
1217 ql_log(ql_log_warn, vha, 0x7047,
1218 "port_param header not provided.\n");
1219 return -EINVAL;
1220 }
1221
1222 if (port_param->fc_scsi_addr.dest_type != EXT_DEF_TYPE_WWPN) {
1223 ql_log(ql_log_warn, vha, 0x7048,
1224 "Invalid destination type.\n");
1225 return -EINVAL;
1226 }
1227
1228 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1229 if (fcport->port_type != FCT_TARGET)
1230 continue;
1231
1232 if (memcmp(port_param->fc_scsi_addr.dest_addr.wwpn,
1233 fcport->port_name, sizeof(fcport->port_name)))
1234 continue;
1235 break;
1236 }
1237
1238 if (!fcport) {
1239 ql_log(ql_log_warn, vha, 0x7049,
1240 "Failed to find port.\n");
1241 return -EINVAL;
1242 }
1243
1244 if (atomic_read(&fcport->state) != FCS_ONLINE) {
1245 ql_log(ql_log_warn, vha, 0x704a,
1246 "Port is not online.\n");
1247 return -EINVAL;
1248 }
1249
1250 if (fcport->flags & FCF_LOGIN_NEEDED) {
1251 ql_log(ql_log_warn, vha, 0x704b,
1252 "Remote port not logged in flags = 0x%x.\n", fcport->flags);
1253 return -EINVAL;
1254 }
1255
1256 if (port_param->mode)
1257 rval = qla2x00_set_idma_speed(vha, fcport->loop_id,
1258 port_param->speed, mb);
1259 else
1260 rval = qla2x00_get_idma_speed(vha, fcport->loop_id,
1261 &port_param->speed, mb);
1262
1263 if (rval) {
1264 ql_log(ql_log_warn, vha, 0x704c,
1265 "iIDMA cmd failed for %02x%02x%02x%02x%02x%02x%02x%02x -- "
1266 "%04x %x %04x %04x.\n", fcport->port_name[0],
1267 fcport->port_name[1], fcport->port_name[2],
1268 fcport->port_name[3], fcport->port_name[4],
1269 fcport->port_name[5], fcport->port_name[6],
1270 fcport->port_name[7], rval, fcport->fp_speed, mb[0], mb[1]);
1271 rval = 0;
1272 bsg_job->reply->result = (DID_ERROR << 16);
1273
1274 } else {
1275 if (!port_param->mode) {
1276 bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
1277 sizeof(struct qla_port_param);
1278
1279 rsp_ptr = ((uint8_t *)bsg_job->reply) +
1280 sizeof(struct fc_bsg_reply);
1281
1282 memcpy(rsp_ptr, port_param,
1283 sizeof(struct qla_port_param));
1284 }
1285
1286 bsg_job->reply->result = DID_OK;
1287 }
1288
1289 bsg_job->job_done(bsg_job);
1290 return rval;
1291 }
1292
1293 static int
qla2x00_optrom_setup(struct fc_bsg_job * bsg_job,scsi_qla_host_t * vha,uint8_t is_update)1294 qla2x00_optrom_setup(struct fc_bsg_job *bsg_job, scsi_qla_host_t *vha,
1295 uint8_t is_update)
1296 {
1297 uint32_t start = 0;
1298 int valid = 0;
1299 struct qla_hw_data *ha = vha->hw;
1300
1301 if (unlikely(pci_channel_offline(ha->pdev)))
1302 return -EINVAL;
1303
1304 start = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
1305 if (start > ha->optrom_size) {
1306 ql_log(ql_log_warn, vha, 0x7055,
1307 "start %d > optrom_size %d.\n", start, ha->optrom_size);
1308 return -EINVAL;
1309 }
1310
1311 if (ha->optrom_state != QLA_SWAITING) {
1312 ql_log(ql_log_info, vha, 0x7056,
1313 "optrom_state %d.\n", ha->optrom_state);
1314 return -EBUSY;
1315 }
1316
1317 ha->optrom_region_start = start;
1318 ql_dbg(ql_dbg_user, vha, 0x7057, "is_update=%d.\n", is_update);
1319 if (is_update) {
1320 if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0)
1321 valid = 1;
1322 else if (start == (ha->flt_region_boot * 4) ||
1323 start == (ha->flt_region_fw * 4))
1324 valid = 1;
1325 else if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha) ||
1326 IS_CNA_CAPABLE(ha) || IS_QLA2031(ha))
1327 valid = 1;
1328 if (!valid) {
1329 ql_log(ql_log_warn, vha, 0x7058,
1330 "Invalid start region 0x%x/0x%x.\n", start,
1331 bsg_job->request_payload.payload_len);
1332 return -EINVAL;
1333 }
1334
1335 ha->optrom_region_size = start +
1336 bsg_job->request_payload.payload_len > ha->optrom_size ?
1337 ha->optrom_size - start :
1338 bsg_job->request_payload.payload_len;
1339 ha->optrom_state = QLA_SWRITING;
1340 } else {
1341 ha->optrom_region_size = start +
1342 bsg_job->reply_payload.payload_len > ha->optrom_size ?
1343 ha->optrom_size - start :
1344 bsg_job->reply_payload.payload_len;
1345 ha->optrom_state = QLA_SREADING;
1346 }
1347
1348 ha->optrom_buffer = vmalloc(ha->optrom_region_size);
1349 if (!ha->optrom_buffer) {
1350 ql_log(ql_log_warn, vha, 0x7059,
1351 "Read: Unable to allocate memory for optrom retrieval "
1352 "(%x)\n", ha->optrom_region_size);
1353
1354 ha->optrom_state = QLA_SWAITING;
1355 return -ENOMEM;
1356 }
1357
1358 memset(ha->optrom_buffer, 0, ha->optrom_region_size);
1359 return 0;
1360 }
1361
1362 static int
qla2x00_read_optrom(struct fc_bsg_job * bsg_job)1363 qla2x00_read_optrom(struct fc_bsg_job *bsg_job)
1364 {
1365 struct Scsi_Host *host = bsg_job->shost;
1366 scsi_qla_host_t *vha = shost_priv(host);
1367 struct qla_hw_data *ha = vha->hw;
1368 int rval = 0;
1369
1370 if (ha->flags.isp82xx_reset_hdlr_active)
1371 return -EBUSY;
1372
1373 rval = qla2x00_optrom_setup(bsg_job, vha, 0);
1374 if (rval)
1375 return rval;
1376
1377 ha->isp_ops->read_optrom(vha, ha->optrom_buffer,
1378 ha->optrom_region_start, ha->optrom_region_size);
1379
1380 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1381 bsg_job->reply_payload.sg_cnt, ha->optrom_buffer,
1382 ha->optrom_region_size);
1383
1384 bsg_job->reply->reply_payload_rcv_len = ha->optrom_region_size;
1385 bsg_job->reply->result = DID_OK;
1386 vfree(ha->optrom_buffer);
1387 ha->optrom_buffer = NULL;
1388 ha->optrom_state = QLA_SWAITING;
1389 bsg_job->job_done(bsg_job);
1390 return rval;
1391 }
1392
1393 static int
qla2x00_update_optrom(struct fc_bsg_job * bsg_job)1394 qla2x00_update_optrom(struct fc_bsg_job *bsg_job)
1395 {
1396 struct Scsi_Host *host = bsg_job->shost;
1397 scsi_qla_host_t *vha = shost_priv(host);
1398 struct qla_hw_data *ha = vha->hw;
1399 int rval = 0;
1400
1401 rval = qla2x00_optrom_setup(bsg_job, vha, 1);
1402 if (rval)
1403 return rval;
1404
1405 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
qla2x00_update_fru_versions(struct fc_bsg_job * bsg_job)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
qla2x00_read_fru_status(struct fc_bsg_job * bsg_job)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
qla2x00_write_fru_status(struct fc_bsg_job * bsg_job)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
qla2x00_process_vendor_specific(struct fc_bsg_job * bsg_job)1563 qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job)
1564 {
1565 switch (bsg_job->request->rqst_data.h_vendor.vendor_cmd[0]) {
1566 case QL_VND_LOOPBACK:
1567 return qla2x00_process_loopback(bsg_job);
1568
1569 case QL_VND_A84_RESET:
1570 return qla84xx_reset(bsg_job);
1571
1572 case QL_VND_A84_UPDATE_FW:
1573 return qla84xx_updatefw(bsg_job);
1574
1575 case QL_VND_A84_MGMT_CMD:
1576 return qla84xx_mgmt_cmd(bsg_job);
1577
1578 case QL_VND_IIDMA:
1579 return qla24xx_iidma(bsg_job);
1580
1581 case QL_VND_FCP_PRIO_CFG_CMD:
1582 return qla24xx_proc_fcp_prio_cfg_cmd(bsg_job);
1583
1584 case QL_VND_READ_FLASH:
1585 return qla2x00_read_optrom(bsg_job);
1586
1587 case QL_VND_UPDATE_FLASH:
1588 return qla2x00_update_optrom(bsg_job);
1589
1590 case QL_VND_SET_FRU_VERSION:
1591 return qla2x00_update_fru_versions(bsg_job);
1592
1593 case QL_VND_READ_FRU_STATUS:
1594 return qla2x00_read_fru_status(bsg_job);
1595
1596 case QL_VND_WRITE_FRU_STATUS:
1597 return qla2x00_write_fru_status(bsg_job);
1598
1599 default:
1600 bsg_job->reply->result = (DID_ERROR << 16);
1601 bsg_job->job_done(bsg_job);
1602 return -ENOSYS;
1603 }
1604 }
1605
1606 int
qla24xx_bsg_request(struct fc_bsg_job * bsg_job)1607 qla24xx_bsg_request(struct fc_bsg_job *bsg_job)
1608 {
1609 int ret = -EINVAL;
1610 struct fc_rport *rport;
1611 fc_port_t *fcport = NULL;
1612 struct Scsi_Host *host;
1613 scsi_qla_host_t *vha;
1614
1615 /* In case no data transferred. */
1616 bsg_job->reply->reply_payload_rcv_len = 0;
1617
1618 if (bsg_job->request->msgcode == FC_BSG_RPT_ELS) {
1619 rport = bsg_job->rport;
1620 fcport = *(fc_port_t **) rport->dd_data;
1621 host = rport_to_shost(rport);
1622 vha = shost_priv(host);
1623 } else {
1624 host = bsg_job->shost;
1625 vha = shost_priv(host);
1626 }
1627
1628 if (qla2x00_reset_active(vha)) {
1629 ql_dbg(ql_dbg_user, vha, 0x709f,
1630 "BSG: ISP abort active/needed -- cmd=%d.\n",
1631 bsg_job->request->msgcode);
1632 bsg_job->reply->result = (DID_ERROR << 16);
1633 bsg_job->job_done(bsg_job);
1634 return -EBUSY;
1635 }
1636
1637 ql_dbg(ql_dbg_user, vha, 0x7000,
1638 "Entered %s msgcode=0x%x.\n", __func__, bsg_job->request->msgcode);
1639
1640 switch (bsg_job->request->msgcode) {
1641 case FC_BSG_RPT_ELS:
1642 case FC_BSG_HST_ELS_NOLOGIN:
1643 ret = qla2x00_process_els(bsg_job);
1644 break;
1645 case FC_BSG_HST_CT:
1646 ret = qla2x00_process_ct(bsg_job);
1647 break;
1648 case FC_BSG_HST_VENDOR:
1649 ret = qla2x00_process_vendor_specific(bsg_job);
1650 break;
1651 case FC_BSG_HST_ADD_RPORT:
1652 case FC_BSG_HST_DEL_RPORT:
1653 case FC_BSG_RPT_CT:
1654 default:
1655 ql_log(ql_log_warn, vha, 0x705a, "Unsupported BSG request.\n");
1656 bsg_job->reply->result = ret;
1657 break;
1658 }
1659 return ret;
1660 }
1661
1662 int
qla24xx_bsg_timeout(struct fc_bsg_job * bsg_job)1663 qla24xx_bsg_timeout(struct fc_bsg_job *bsg_job)
1664 {
1665 scsi_qla_host_t *vha = shost_priv(bsg_job->shost);
1666 struct qla_hw_data *ha = vha->hw;
1667 srb_t *sp;
1668 int cnt, que;
1669 unsigned long flags;
1670 struct req_que *req;
1671
1672 /* find the bsg job from the active list of commands */
1673 spin_lock_irqsave(&ha->hardware_lock, flags);
1674 for (que = 0; que < ha->max_req_queues; que++) {
1675 req = ha->req_q_map[que];
1676 if (!req)
1677 continue;
1678
1679 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1680 sp = req->outstanding_cmds[cnt];
1681 if (sp) {
1682 if (((sp->type == SRB_CT_CMD) ||
1683 (sp->type == SRB_ELS_CMD_HST))
1684 && (sp->u.bsg_job == bsg_job)) {
1685 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1686 if (ha->isp_ops->abort_command(sp)) {
1687 ql_log(ql_log_warn, vha, 0x7089,
1688 "mbx abort_command "
1689 "failed.\n");
1690 bsg_job->req->errors =
1691 bsg_job->reply->result = -EIO;
1692 } else {
1693 ql_dbg(ql_dbg_user, vha, 0x708a,
1694 "mbx abort_command "
1695 "success.\n");
1696 bsg_job->req->errors =
1697 bsg_job->reply->result = 0;
1698 }
1699 spin_lock_irqsave(&ha->hardware_lock, flags);
1700 goto done;
1701 }
1702 }
1703 }
1704 }
1705 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1706 ql_log(ql_log_info, vha, 0x708b, "SRB not found to abort.\n");
1707 bsg_job->req->errors = bsg_job->reply->result = -ENXIO;
1708 return 0;
1709
1710 done:
1711 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1712 if (bsg_job->request->msgcode == FC_BSG_HST_CT)
1713 kfree(sp->fcport);
1714 mempool_free(sp, ha->srb_mempool);
1715 return 0;
1716 }
1717