1 /*
2 * QLogic iSCSI HBA Driver
3 * Copyright (c) 2011-2013 QLogic Corporation
4 *
5 * See LICENSE.qla4xxx for copyright and licensing details.
6 */
7
8 #include "ql4_def.h"
9 #include "ql4_glbl.h"
10 #include "ql4_bsg.h"
11
12 static int
qla4xxx_read_flash(struct bsg_job * bsg_job)13 qla4xxx_read_flash(struct bsg_job *bsg_job)
14 {
15 struct Scsi_Host *host = iscsi_job_to_shost(bsg_job);
16 struct scsi_qla_host *ha = to_qla_host(host);
17 struct iscsi_bsg_reply *bsg_reply = bsg_job->reply;
18 struct iscsi_bsg_request *bsg_req = bsg_job->request;
19 uint32_t offset = 0;
20 uint32_t length = 0;
21 dma_addr_t flash_dma;
22 uint8_t *flash = NULL;
23 int rval = -EINVAL;
24
25 bsg_reply->reply_payload_rcv_len = 0;
26
27 if (unlikely(pci_channel_offline(ha->pdev)))
28 goto leave;
29
30 if (ql4xxx_reset_active(ha)) {
31 ql4_printk(KERN_ERR, ha, "%s: reset active\n", __func__);
32 rval = -EBUSY;
33 goto leave;
34 }
35
36 if (ha->flash_state != QLFLASH_WAITING) {
37 ql4_printk(KERN_ERR, ha, "%s: another flash operation "
38 "active\n", __func__);
39 rval = -EBUSY;
40 goto leave;
41 }
42
43 ha->flash_state = QLFLASH_READING;
44 offset = bsg_req->rqst_data.h_vendor.vendor_cmd[1];
45 length = bsg_job->reply_payload.payload_len;
46
47 flash = dma_alloc_coherent(&ha->pdev->dev, length, &flash_dma,
48 GFP_KERNEL);
49 if (!flash) {
50 ql4_printk(KERN_ERR, ha, "%s: dma alloc failed for flash "
51 "data\n", __func__);
52 rval = -ENOMEM;
53 goto leave;
54 }
55
56 rval = qla4xxx_get_flash(ha, flash_dma, offset, length);
57 if (rval) {
58 ql4_printk(KERN_ERR, ha, "%s: get flash failed\n", __func__);
59 bsg_reply->result = DID_ERROR << 16;
60 rval = -EIO;
61 } else {
62 bsg_reply->reply_payload_rcv_len =
63 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
64 bsg_job->reply_payload.sg_cnt,
65 flash, length);
66 bsg_reply->result = DID_OK << 16;
67 }
68
69 bsg_job_done(bsg_job, bsg_reply->result,
70 bsg_reply->reply_payload_rcv_len);
71 dma_free_coherent(&ha->pdev->dev, length, flash, flash_dma);
72 leave:
73 ha->flash_state = QLFLASH_WAITING;
74 return rval;
75 }
76
77 static int
qla4xxx_update_flash(struct bsg_job * bsg_job)78 qla4xxx_update_flash(struct bsg_job *bsg_job)
79 {
80 struct Scsi_Host *host = iscsi_job_to_shost(bsg_job);
81 struct scsi_qla_host *ha = to_qla_host(host);
82 struct iscsi_bsg_reply *bsg_reply = bsg_job->reply;
83 struct iscsi_bsg_request *bsg_req = bsg_job->request;
84 uint32_t length = 0;
85 uint32_t offset = 0;
86 uint32_t options = 0;
87 dma_addr_t flash_dma;
88 uint8_t *flash = NULL;
89 int rval = -EINVAL;
90
91 bsg_reply->reply_payload_rcv_len = 0;
92
93 if (unlikely(pci_channel_offline(ha->pdev)))
94 goto leave;
95
96 if (ql4xxx_reset_active(ha)) {
97 ql4_printk(KERN_ERR, ha, "%s: reset active\n", __func__);
98 rval = -EBUSY;
99 goto leave;
100 }
101
102 if (ha->flash_state != QLFLASH_WAITING) {
103 ql4_printk(KERN_ERR, ha, "%s: another flash operation "
104 "active\n", __func__);
105 rval = -EBUSY;
106 goto leave;
107 }
108
109 ha->flash_state = QLFLASH_WRITING;
110 length = bsg_job->request_payload.payload_len;
111 offset = bsg_req->rqst_data.h_vendor.vendor_cmd[1];
112 options = bsg_req->rqst_data.h_vendor.vendor_cmd[2];
113
114 flash = dma_alloc_coherent(&ha->pdev->dev, length, &flash_dma,
115 GFP_KERNEL);
116 if (!flash) {
117 ql4_printk(KERN_ERR, ha, "%s: dma alloc failed for flash "
118 "data\n", __func__);
119 rval = -ENOMEM;
120 goto leave;
121 }
122
123 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
124 bsg_job->request_payload.sg_cnt, flash, length);
125
126 rval = qla4xxx_set_flash(ha, flash_dma, offset, length, options);
127 if (rval) {
128 ql4_printk(KERN_ERR, ha, "%s: set flash failed\n", __func__);
129 bsg_reply->result = DID_ERROR << 16;
130 rval = -EIO;
131 } else
132 bsg_reply->result = DID_OK << 16;
133
134 bsg_job_done(bsg_job, bsg_reply->result,
135 bsg_reply->reply_payload_rcv_len);
136 dma_free_coherent(&ha->pdev->dev, length, flash, flash_dma);
137 leave:
138 ha->flash_state = QLFLASH_WAITING;
139 return rval;
140 }
141
142 static int
qla4xxx_get_acb_state(struct bsg_job * bsg_job)143 qla4xxx_get_acb_state(struct bsg_job *bsg_job)
144 {
145 struct Scsi_Host *host = iscsi_job_to_shost(bsg_job);
146 struct scsi_qla_host *ha = to_qla_host(host);
147 struct iscsi_bsg_request *bsg_req = bsg_job->request;
148 struct iscsi_bsg_reply *bsg_reply = bsg_job->reply;
149 uint32_t status[MBOX_REG_COUNT];
150 uint32_t acb_idx;
151 uint32_t ip_idx;
152 int rval = -EINVAL;
153
154 bsg_reply->reply_payload_rcv_len = 0;
155
156 if (unlikely(pci_channel_offline(ha->pdev)))
157 goto leave;
158
159 /* Only 4022 and above adapters are supported */
160 if (is_qla4010(ha))
161 goto leave;
162
163 if (ql4xxx_reset_active(ha)) {
164 ql4_printk(KERN_ERR, ha, "%s: reset active\n", __func__);
165 rval = -EBUSY;
166 goto leave;
167 }
168
169 if (bsg_job->reply_payload.payload_len < sizeof(status)) {
170 ql4_printk(KERN_ERR, ha, "%s: invalid payload len %d\n",
171 __func__, bsg_job->reply_payload.payload_len);
172 rval = -EINVAL;
173 goto leave;
174 }
175
176 acb_idx = bsg_req->rqst_data.h_vendor.vendor_cmd[1];
177 ip_idx = bsg_req->rqst_data.h_vendor.vendor_cmd[2];
178
179 rval = qla4xxx_get_ip_state(ha, acb_idx, ip_idx, status);
180 if (rval) {
181 ql4_printk(KERN_ERR, ha, "%s: get ip state failed\n",
182 __func__);
183 bsg_reply->result = DID_ERROR << 16;
184 rval = -EIO;
185 } else {
186 bsg_reply->reply_payload_rcv_len =
187 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
188 bsg_job->reply_payload.sg_cnt,
189 status, sizeof(status));
190 bsg_reply->result = DID_OK << 16;
191 }
192
193 bsg_job_done(bsg_job, bsg_reply->result,
194 bsg_reply->reply_payload_rcv_len);
195 leave:
196 return rval;
197 }
198
199 static int
qla4xxx_read_nvram(struct bsg_job * bsg_job)200 qla4xxx_read_nvram(struct bsg_job *bsg_job)
201 {
202 struct Scsi_Host *host = iscsi_job_to_shost(bsg_job);
203 struct scsi_qla_host *ha = to_qla_host(host);
204 struct iscsi_bsg_request *bsg_req = bsg_job->request;
205 struct iscsi_bsg_reply *bsg_reply = bsg_job->reply;
206 uint32_t offset = 0;
207 uint32_t len = 0;
208 uint32_t total_len = 0;
209 dma_addr_t nvram_dma;
210 uint8_t *nvram = NULL;
211 int rval = -EINVAL;
212
213 bsg_reply->reply_payload_rcv_len = 0;
214
215 if (unlikely(pci_channel_offline(ha->pdev)))
216 goto leave;
217
218 /* Only 40xx adapters are supported */
219 if (!(is_qla4010(ha) || is_qla4022(ha) || is_qla4032(ha)))
220 goto leave;
221
222 if (ql4xxx_reset_active(ha)) {
223 ql4_printk(KERN_ERR, ha, "%s: reset active\n", __func__);
224 rval = -EBUSY;
225 goto leave;
226 }
227
228 offset = bsg_req->rqst_data.h_vendor.vendor_cmd[1];
229 len = bsg_job->reply_payload.payload_len;
230 total_len = offset + len;
231
232 /* total len should not be greater than max NVRAM size */
233 if ((is_qla4010(ha) && total_len > QL4010_NVRAM_SIZE) ||
234 ((is_qla4022(ha) || is_qla4032(ha)) &&
235 total_len > QL40X2_NVRAM_SIZE)) {
236 ql4_printk(KERN_ERR, ha, "%s: offset+len greater than max"
237 " nvram size, offset=%d len=%d\n",
238 __func__, offset, len);
239 goto leave;
240 }
241
242 nvram = dma_alloc_coherent(&ha->pdev->dev, len, &nvram_dma,
243 GFP_KERNEL);
244 if (!nvram) {
245 ql4_printk(KERN_ERR, ha, "%s: dma alloc failed for nvram "
246 "data\n", __func__);
247 rval = -ENOMEM;
248 goto leave;
249 }
250
251 rval = qla4xxx_get_nvram(ha, nvram_dma, offset, len);
252 if (rval) {
253 ql4_printk(KERN_ERR, ha, "%s: get nvram failed\n", __func__);
254 bsg_reply->result = DID_ERROR << 16;
255 rval = -EIO;
256 } else {
257 bsg_reply->reply_payload_rcv_len =
258 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
259 bsg_job->reply_payload.sg_cnt,
260 nvram, len);
261 bsg_reply->result = DID_OK << 16;
262 }
263
264 bsg_job_done(bsg_job, bsg_reply->result,
265 bsg_reply->reply_payload_rcv_len);
266 dma_free_coherent(&ha->pdev->dev, len, nvram, nvram_dma);
267 leave:
268 return rval;
269 }
270
271 static int
qla4xxx_update_nvram(struct bsg_job * bsg_job)272 qla4xxx_update_nvram(struct bsg_job *bsg_job)
273 {
274 struct Scsi_Host *host = iscsi_job_to_shost(bsg_job);
275 struct scsi_qla_host *ha = to_qla_host(host);
276 struct iscsi_bsg_request *bsg_req = bsg_job->request;
277 struct iscsi_bsg_reply *bsg_reply = bsg_job->reply;
278 uint32_t offset = 0;
279 uint32_t len = 0;
280 uint32_t total_len = 0;
281 dma_addr_t nvram_dma;
282 uint8_t *nvram = NULL;
283 int rval = -EINVAL;
284
285 bsg_reply->reply_payload_rcv_len = 0;
286
287 if (unlikely(pci_channel_offline(ha->pdev)))
288 goto leave;
289
290 if (!(is_qla4010(ha) || is_qla4022(ha) || is_qla4032(ha)))
291 goto leave;
292
293 if (ql4xxx_reset_active(ha)) {
294 ql4_printk(KERN_ERR, ha, "%s: reset active\n", __func__);
295 rval = -EBUSY;
296 goto leave;
297 }
298
299 offset = bsg_req->rqst_data.h_vendor.vendor_cmd[1];
300 len = bsg_job->request_payload.payload_len;
301 total_len = offset + len;
302
303 /* total len should not be greater than max NVRAM size */
304 if ((is_qla4010(ha) && total_len > QL4010_NVRAM_SIZE) ||
305 ((is_qla4022(ha) || is_qla4032(ha)) &&
306 total_len > QL40X2_NVRAM_SIZE)) {
307 ql4_printk(KERN_ERR, ha, "%s: offset+len greater than max"
308 " nvram size, offset=%d len=%d\n",
309 __func__, offset, len);
310 goto leave;
311 }
312
313 nvram = dma_alloc_coherent(&ha->pdev->dev, len, &nvram_dma,
314 GFP_KERNEL);
315 if (!nvram) {
316 ql4_printk(KERN_ERR, ha, "%s: dma alloc failed for flash "
317 "data\n", __func__);
318 rval = -ENOMEM;
319 goto leave;
320 }
321
322 sg_copy_to_buffer(bsg_job->request_payload.sg_list,
323 bsg_job->request_payload.sg_cnt, nvram, len);
324
325 rval = qla4xxx_set_nvram(ha, nvram_dma, offset, len);
326 if (rval) {
327 ql4_printk(KERN_ERR, ha, "%s: set nvram failed\n", __func__);
328 bsg_reply->result = DID_ERROR << 16;
329 rval = -EIO;
330 } else
331 bsg_reply->result = DID_OK << 16;
332
333 bsg_job_done(bsg_job, bsg_reply->result,
334 bsg_reply->reply_payload_rcv_len);
335 dma_free_coherent(&ha->pdev->dev, len, nvram, nvram_dma);
336 leave:
337 return rval;
338 }
339
340 static int
qla4xxx_restore_defaults(struct bsg_job * bsg_job)341 qla4xxx_restore_defaults(struct bsg_job *bsg_job)
342 {
343 struct Scsi_Host *host = iscsi_job_to_shost(bsg_job);
344 struct scsi_qla_host *ha = to_qla_host(host);
345 struct iscsi_bsg_request *bsg_req = bsg_job->request;
346 struct iscsi_bsg_reply *bsg_reply = bsg_job->reply;
347 uint32_t region = 0;
348 uint32_t field0 = 0;
349 uint32_t field1 = 0;
350 int rval = -EINVAL;
351
352 bsg_reply->reply_payload_rcv_len = 0;
353
354 if (unlikely(pci_channel_offline(ha->pdev)))
355 goto leave;
356
357 if (is_qla4010(ha))
358 goto leave;
359
360 if (ql4xxx_reset_active(ha)) {
361 ql4_printk(KERN_ERR, ha, "%s: reset active\n", __func__);
362 rval = -EBUSY;
363 goto leave;
364 }
365
366 region = bsg_req->rqst_data.h_vendor.vendor_cmd[1];
367 field0 = bsg_req->rqst_data.h_vendor.vendor_cmd[2];
368 field1 = bsg_req->rqst_data.h_vendor.vendor_cmd[3];
369
370 rval = qla4xxx_restore_factory_defaults(ha, region, field0, field1);
371 if (rval) {
372 ql4_printk(KERN_ERR, ha, "%s: set nvram failed\n", __func__);
373 bsg_reply->result = DID_ERROR << 16;
374 rval = -EIO;
375 } else
376 bsg_reply->result = DID_OK << 16;
377
378 bsg_job_done(bsg_job, bsg_reply->result,
379 bsg_reply->reply_payload_rcv_len);
380 leave:
381 return rval;
382 }
383
384 static int
qla4xxx_bsg_get_acb(struct bsg_job * bsg_job)385 qla4xxx_bsg_get_acb(struct bsg_job *bsg_job)
386 {
387 struct Scsi_Host *host = iscsi_job_to_shost(bsg_job);
388 struct scsi_qla_host *ha = to_qla_host(host);
389 struct iscsi_bsg_request *bsg_req = bsg_job->request;
390 struct iscsi_bsg_reply *bsg_reply = bsg_job->reply;
391 uint32_t acb_type = 0;
392 uint32_t len = 0;
393 dma_addr_t acb_dma;
394 uint8_t *acb = NULL;
395 int rval = -EINVAL;
396
397 bsg_reply->reply_payload_rcv_len = 0;
398
399 if (unlikely(pci_channel_offline(ha->pdev)))
400 goto leave;
401
402 /* Only 4022 and above adapters are supported */
403 if (is_qla4010(ha))
404 goto leave;
405
406 if (ql4xxx_reset_active(ha)) {
407 ql4_printk(KERN_ERR, ha, "%s: reset active\n", __func__);
408 rval = -EBUSY;
409 goto leave;
410 }
411
412 acb_type = bsg_req->rqst_data.h_vendor.vendor_cmd[1];
413 len = bsg_job->reply_payload.payload_len;
414 if (len < sizeof(struct addr_ctrl_blk)) {
415 ql4_printk(KERN_ERR, ha, "%s: invalid acb len %d\n",
416 __func__, len);
417 rval = -EINVAL;
418 goto leave;
419 }
420
421 acb = dma_alloc_coherent(&ha->pdev->dev, len, &acb_dma, GFP_KERNEL);
422 if (!acb) {
423 ql4_printk(KERN_ERR, ha, "%s: dma alloc failed for acb "
424 "data\n", __func__);
425 rval = -ENOMEM;
426 goto leave;
427 }
428
429 rval = qla4xxx_get_acb(ha, acb_dma, acb_type, len);
430 if (rval) {
431 ql4_printk(KERN_ERR, ha, "%s: get acb failed\n", __func__);
432 bsg_reply->result = DID_ERROR << 16;
433 rval = -EIO;
434 } else {
435 bsg_reply->reply_payload_rcv_len =
436 sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
437 bsg_job->reply_payload.sg_cnt,
438 acb, len);
439 bsg_reply->result = DID_OK << 16;
440 }
441
442 bsg_job_done(bsg_job, bsg_reply->result,
443 bsg_reply->reply_payload_rcv_len);
444 dma_free_coherent(&ha->pdev->dev, len, acb, acb_dma);
445 leave:
446 return rval;
447 }
448
ql4xxx_execute_diag_cmd(struct bsg_job * bsg_job)449 static void ql4xxx_execute_diag_cmd(struct bsg_job *bsg_job)
450 {
451 struct Scsi_Host *host = iscsi_job_to_shost(bsg_job);
452 struct scsi_qla_host *ha = to_qla_host(host);
453 struct iscsi_bsg_request *bsg_req = bsg_job->request;
454 struct iscsi_bsg_reply *bsg_reply = bsg_job->reply;
455 uint8_t *rsp_ptr = NULL;
456 uint32_t mbox_cmd[MBOX_REG_COUNT];
457 uint32_t mbox_sts[MBOX_REG_COUNT];
458 int status = QLA_ERROR;
459
460 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: in\n", __func__));
461
462 if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) {
463 ql4_printk(KERN_INFO, ha, "%s: Adapter reset in progress. Invalid Request\n",
464 __func__);
465 bsg_reply->result = DID_ERROR << 16;
466 goto exit_diag_mem_test;
467 }
468
469 bsg_reply->reply_payload_rcv_len = 0;
470 memcpy(mbox_cmd, &bsg_req->rqst_data.h_vendor.vendor_cmd[1],
471 sizeof(uint32_t) * MBOX_REG_COUNT);
472
473 DEBUG2(ql4_printk(KERN_INFO, ha,
474 "%s: mbox_cmd: %08X %08X %08X %08X %08X %08X %08X %08X\n",
475 __func__, mbox_cmd[0], mbox_cmd[1], mbox_cmd[2],
476 mbox_cmd[3], mbox_cmd[4], mbox_cmd[5], mbox_cmd[6],
477 mbox_cmd[7]));
478
479 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 8, &mbox_cmd[0],
480 &mbox_sts[0]);
481
482 DEBUG2(ql4_printk(KERN_INFO, ha,
483 "%s: mbox_sts: %08X %08X %08X %08X %08X %08X %08X %08X\n",
484 __func__, mbox_sts[0], mbox_sts[1], mbox_sts[2],
485 mbox_sts[3], mbox_sts[4], mbox_sts[5], mbox_sts[6],
486 mbox_sts[7]));
487
488 if (status == QLA_SUCCESS)
489 bsg_reply->result = DID_OK << 16;
490 else
491 bsg_reply->result = DID_ERROR << 16;
492
493 /* Send mbox_sts to application */
494 bsg_job->reply_len = sizeof(struct iscsi_bsg_reply) + sizeof(mbox_sts);
495 rsp_ptr = ((uint8_t *)bsg_reply) + sizeof(struct iscsi_bsg_reply);
496 memcpy(rsp_ptr, mbox_sts, sizeof(mbox_sts));
497
498 exit_diag_mem_test:
499 DEBUG2(ql4_printk(KERN_INFO, ha,
500 "%s: bsg_reply->result = x%x, status = %s\n",
501 __func__, bsg_reply->result, STATUS(status)));
502
503 bsg_job_done(bsg_job, bsg_reply->result,
504 bsg_reply->reply_payload_rcv_len);
505 }
506
qla4_83xx_wait_for_loopback_config_comp(struct scsi_qla_host * ha,int wait_for_link)507 static int qla4_83xx_wait_for_loopback_config_comp(struct scsi_qla_host *ha,
508 int wait_for_link)
509 {
510 int status = QLA_SUCCESS;
511
512 if (!wait_for_completion_timeout(&ha->idc_comp, (IDC_COMP_TOV * HZ))) {
513 ql4_printk(KERN_INFO, ha, "%s: IDC Complete notification not received, Waiting for another %d timeout",
514 __func__, ha->idc_extend_tmo);
515 if (ha->idc_extend_tmo) {
516 if (!wait_for_completion_timeout(&ha->idc_comp,
517 (ha->idc_extend_tmo * HZ))) {
518 ha->notify_idc_comp = 0;
519 ha->notify_link_up_comp = 0;
520 ql4_printk(KERN_WARNING, ha, "%s: Aborting: IDC Complete notification not received",
521 __func__);
522 status = QLA_ERROR;
523 goto exit_wait;
524 } else {
525 DEBUG2(ql4_printk(KERN_INFO, ha,
526 "%s: IDC Complete notification received\n",
527 __func__));
528 }
529 }
530 } else {
531 DEBUG2(ql4_printk(KERN_INFO, ha,
532 "%s: IDC Complete notification received\n",
533 __func__));
534 }
535 ha->notify_idc_comp = 0;
536
537 if (wait_for_link) {
538 if (!wait_for_completion_timeout(&ha->link_up_comp,
539 (IDC_COMP_TOV * HZ))) {
540 ha->notify_link_up_comp = 0;
541 ql4_printk(KERN_WARNING, ha, "%s: Aborting: LINK UP notification not received",
542 __func__);
543 status = QLA_ERROR;
544 goto exit_wait;
545 } else {
546 DEBUG2(ql4_printk(KERN_INFO, ha,
547 "%s: LINK UP notification received\n",
548 __func__));
549 }
550 ha->notify_link_up_comp = 0;
551 }
552
553 exit_wait:
554 return status;
555 }
556
qla4_83xx_pre_loopback_config(struct scsi_qla_host * ha,uint32_t * mbox_cmd)557 static int qla4_83xx_pre_loopback_config(struct scsi_qla_host *ha,
558 uint32_t *mbox_cmd)
559 {
560 uint32_t config = 0;
561 int status = QLA_SUCCESS;
562
563 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: in\n", __func__));
564
565 status = qla4_83xx_get_port_config(ha, &config);
566 if (status != QLA_SUCCESS)
567 goto exit_pre_loopback_config;
568
569 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Default port config=%08X\n",
570 __func__, config));
571
572 if ((config & ENABLE_INTERNAL_LOOPBACK) ||
573 (config & ENABLE_EXTERNAL_LOOPBACK)) {
574 ql4_printk(KERN_INFO, ha, "%s: Loopback diagnostics already in progress. Invalid request\n",
575 __func__);
576 goto exit_pre_loopback_config;
577 }
578
579 if (mbox_cmd[1] == QL_DIAG_CMD_TEST_INT_LOOPBACK)
580 config |= ENABLE_INTERNAL_LOOPBACK;
581
582 if (mbox_cmd[1] == QL_DIAG_CMD_TEST_EXT_LOOPBACK)
583 config |= ENABLE_EXTERNAL_LOOPBACK;
584
585 config &= ~ENABLE_DCBX;
586
587 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: New port config=%08X\n",
588 __func__, config));
589
590 ha->notify_idc_comp = 1;
591 ha->notify_link_up_comp = 1;
592
593 /* get the link state */
594 qla4xxx_get_firmware_state(ha);
595
596 status = qla4_83xx_set_port_config(ha, &config);
597 if (status != QLA_SUCCESS) {
598 ha->notify_idc_comp = 0;
599 ha->notify_link_up_comp = 0;
600 goto exit_pre_loopback_config;
601 }
602 exit_pre_loopback_config:
603 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: status = %s\n", __func__,
604 STATUS(status)));
605 return status;
606 }
607
qla4_83xx_post_loopback_config(struct scsi_qla_host * ha,uint32_t * mbox_cmd)608 static int qla4_83xx_post_loopback_config(struct scsi_qla_host *ha,
609 uint32_t *mbox_cmd)
610 {
611 int status = QLA_SUCCESS;
612 uint32_t config = 0;
613
614 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: in\n", __func__));
615
616 status = qla4_83xx_get_port_config(ha, &config);
617 if (status != QLA_SUCCESS)
618 goto exit_post_loopback_config;
619
620 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: port config=%08X\n", __func__,
621 config));
622
623 if (mbox_cmd[1] == QL_DIAG_CMD_TEST_INT_LOOPBACK)
624 config &= ~ENABLE_INTERNAL_LOOPBACK;
625 else if (mbox_cmd[1] == QL_DIAG_CMD_TEST_EXT_LOOPBACK)
626 config &= ~ENABLE_EXTERNAL_LOOPBACK;
627
628 config |= ENABLE_DCBX;
629
630 DEBUG2(ql4_printk(KERN_INFO, ha,
631 "%s: Restore default port config=%08X\n", __func__,
632 config));
633
634 ha->notify_idc_comp = 1;
635 if (ha->addl_fw_state & FW_ADDSTATE_LINK_UP)
636 ha->notify_link_up_comp = 1;
637
638 status = qla4_83xx_set_port_config(ha, &config);
639 if (status != QLA_SUCCESS) {
640 ql4_printk(KERN_INFO, ha, "%s: Scheduling adapter reset\n",
641 __func__);
642 set_bit(DPC_RESET_HA, &ha->dpc_flags);
643 clear_bit(AF_LOOPBACK, &ha->flags);
644 goto exit_post_loopback_config;
645 }
646
647 exit_post_loopback_config:
648 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: status = %s\n", __func__,
649 STATUS(status)));
650 return status;
651 }
652
qla4xxx_execute_diag_loopback_cmd(struct bsg_job * bsg_job)653 static void qla4xxx_execute_diag_loopback_cmd(struct bsg_job *bsg_job)
654 {
655 struct Scsi_Host *host = iscsi_job_to_shost(bsg_job);
656 struct scsi_qla_host *ha = to_qla_host(host);
657 struct iscsi_bsg_request *bsg_req = bsg_job->request;
658 struct iscsi_bsg_reply *bsg_reply = bsg_job->reply;
659 uint8_t *rsp_ptr = NULL;
660 uint32_t mbox_cmd[MBOX_REG_COUNT];
661 uint32_t mbox_sts[MBOX_REG_COUNT];
662 int wait_for_link = 1;
663 int status = QLA_ERROR;
664
665 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: in\n", __func__));
666
667 bsg_reply->reply_payload_rcv_len = 0;
668
669 if (test_bit(AF_LOOPBACK, &ha->flags)) {
670 ql4_printk(KERN_INFO, ha, "%s: Loopback Diagnostics already in progress. Invalid Request\n",
671 __func__);
672 bsg_reply->result = DID_ERROR << 16;
673 goto exit_loopback_cmd;
674 }
675
676 if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) {
677 ql4_printk(KERN_INFO, ha, "%s: Adapter reset in progress. Invalid Request\n",
678 __func__);
679 bsg_reply->result = DID_ERROR << 16;
680 goto exit_loopback_cmd;
681 }
682
683 memcpy(mbox_cmd, &bsg_req->rqst_data.h_vendor.vendor_cmd[1],
684 sizeof(uint32_t) * MBOX_REG_COUNT);
685
686 if (is_qla8032(ha) || is_qla8042(ha)) {
687 status = qla4_83xx_pre_loopback_config(ha, mbox_cmd);
688 if (status != QLA_SUCCESS) {
689 bsg_reply->result = DID_ERROR << 16;
690 goto exit_loopback_cmd;
691 }
692
693 status = qla4_83xx_wait_for_loopback_config_comp(ha,
694 wait_for_link);
695 if (status != QLA_SUCCESS) {
696 bsg_reply->result = DID_TIME_OUT << 16;
697 goto restore;
698 }
699 }
700
701 DEBUG2(ql4_printk(KERN_INFO, ha,
702 "%s: mbox_cmd: %08X %08X %08X %08X %08X %08X %08X %08X\n",
703 __func__, mbox_cmd[0], mbox_cmd[1], mbox_cmd[2],
704 mbox_cmd[3], mbox_cmd[4], mbox_cmd[5], mbox_cmd[6],
705 mbox_cmd[7]));
706
707 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 8, &mbox_cmd[0],
708 &mbox_sts[0]);
709
710 if (status == QLA_SUCCESS)
711 bsg_reply->result = DID_OK << 16;
712 else
713 bsg_reply->result = DID_ERROR << 16;
714
715 DEBUG2(ql4_printk(KERN_INFO, ha,
716 "%s: mbox_sts: %08X %08X %08X %08X %08X %08X %08X %08X\n",
717 __func__, mbox_sts[0], mbox_sts[1], mbox_sts[2],
718 mbox_sts[3], mbox_sts[4], mbox_sts[5], mbox_sts[6],
719 mbox_sts[7]));
720
721 /* Send mbox_sts to application */
722 bsg_job->reply_len = sizeof(struct iscsi_bsg_reply) + sizeof(mbox_sts);
723 rsp_ptr = ((uint8_t *)bsg_reply) + sizeof(struct iscsi_bsg_reply);
724 memcpy(rsp_ptr, mbox_sts, sizeof(mbox_sts));
725 restore:
726 if (is_qla8032(ha) || is_qla8042(ha)) {
727 status = qla4_83xx_post_loopback_config(ha, mbox_cmd);
728 if (status != QLA_SUCCESS) {
729 bsg_reply->result = DID_ERROR << 16;
730 goto exit_loopback_cmd;
731 }
732
733 /* for pre_loopback_config() wait for LINK UP only
734 * if PHY LINK is UP */
735 if (!(ha->addl_fw_state & FW_ADDSTATE_LINK_UP))
736 wait_for_link = 0;
737
738 status = qla4_83xx_wait_for_loopback_config_comp(ha,
739 wait_for_link);
740 if (status != QLA_SUCCESS) {
741 bsg_reply->result = DID_TIME_OUT << 16;
742 goto exit_loopback_cmd;
743 }
744 }
745 exit_loopback_cmd:
746 DEBUG2(ql4_printk(KERN_INFO, ha,
747 "%s: bsg_reply->result = x%x, status = %s\n",
748 __func__, bsg_reply->result, STATUS(status)));
749 bsg_job_done(bsg_job, bsg_reply->result,
750 bsg_reply->reply_payload_rcv_len);
751 }
752
qla4xxx_execute_diag_test(struct bsg_job * bsg_job)753 static int qla4xxx_execute_diag_test(struct bsg_job *bsg_job)
754 {
755 struct Scsi_Host *host = iscsi_job_to_shost(bsg_job);
756 struct scsi_qla_host *ha = to_qla_host(host);
757 struct iscsi_bsg_request *bsg_req = bsg_job->request;
758 uint32_t diag_cmd;
759 int rval = -EINVAL;
760
761 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: in\n", __func__));
762
763 diag_cmd = bsg_req->rqst_data.h_vendor.vendor_cmd[1];
764 if (diag_cmd == MBOX_CMD_DIAG_TEST) {
765 switch (bsg_req->rqst_data.h_vendor.vendor_cmd[2]) {
766 case QL_DIAG_CMD_TEST_DDR_SIZE:
767 case QL_DIAG_CMD_TEST_DDR_RW:
768 case QL_DIAG_CMD_TEST_ONCHIP_MEM_RW:
769 case QL_DIAG_CMD_TEST_NVRAM:
770 case QL_DIAG_CMD_TEST_FLASH_ROM:
771 case QL_DIAG_CMD_TEST_DMA_XFER:
772 case QL_DIAG_CMD_SELF_DDR_RW:
773 case QL_DIAG_CMD_SELF_ONCHIP_MEM_RW:
774 /* Execute diag test for adapter RAM/FLASH */
775 ql4xxx_execute_diag_cmd(bsg_job);
776 /* Always return success as we want to sent bsg_reply
777 * to Application */
778 rval = QLA_SUCCESS;
779 break;
780
781 case QL_DIAG_CMD_TEST_INT_LOOPBACK:
782 case QL_DIAG_CMD_TEST_EXT_LOOPBACK:
783 /* Execute diag test for Network */
784 qla4xxx_execute_diag_loopback_cmd(bsg_job);
785 /* Always return success as we want to sent bsg_reply
786 * to Application */
787 rval = QLA_SUCCESS;
788 break;
789 default:
790 ql4_printk(KERN_ERR, ha, "%s: Invalid diag test: 0x%x\n",
791 __func__,
792 bsg_req->rqst_data.h_vendor.vendor_cmd[2]);
793 }
794 } else if ((diag_cmd == MBOX_CMD_SET_LED_CONFIG) ||
795 (diag_cmd == MBOX_CMD_GET_LED_CONFIG)) {
796 ql4xxx_execute_diag_cmd(bsg_job);
797 rval = QLA_SUCCESS;
798 } else {
799 ql4_printk(KERN_ERR, ha, "%s: Invalid diag cmd: 0x%x\n",
800 __func__, diag_cmd);
801 }
802
803 return rval;
804 }
805
806 /**
807 * qla4xxx_process_vendor_specific - handle vendor specific bsg request
808 * @job: iscsi_bsg_job to handle
809 **/
qla4xxx_process_vendor_specific(struct bsg_job * bsg_job)810 int qla4xxx_process_vendor_specific(struct bsg_job *bsg_job)
811 {
812 struct iscsi_bsg_reply *bsg_reply = bsg_job->reply;
813 struct iscsi_bsg_request *bsg_req = bsg_job->request;
814 struct Scsi_Host *host = iscsi_job_to_shost(bsg_job);
815 struct scsi_qla_host *ha = to_qla_host(host);
816
817 switch (bsg_req->rqst_data.h_vendor.vendor_cmd[0]) {
818 case QLISCSI_VND_READ_FLASH:
819 return qla4xxx_read_flash(bsg_job);
820
821 case QLISCSI_VND_UPDATE_FLASH:
822 return qla4xxx_update_flash(bsg_job);
823
824 case QLISCSI_VND_GET_ACB_STATE:
825 return qla4xxx_get_acb_state(bsg_job);
826
827 case QLISCSI_VND_READ_NVRAM:
828 return qla4xxx_read_nvram(bsg_job);
829
830 case QLISCSI_VND_UPDATE_NVRAM:
831 return qla4xxx_update_nvram(bsg_job);
832
833 case QLISCSI_VND_RESTORE_DEFAULTS:
834 return qla4xxx_restore_defaults(bsg_job);
835
836 case QLISCSI_VND_GET_ACB:
837 return qla4xxx_bsg_get_acb(bsg_job);
838
839 case QLISCSI_VND_DIAG_TEST:
840 return qla4xxx_execute_diag_test(bsg_job);
841
842 default:
843 ql4_printk(KERN_ERR, ha, "%s: invalid BSG vendor command: "
844 "0x%x\n", __func__, bsg_req->msgcode);
845 bsg_reply->result = (DID_ERROR << 16);
846 bsg_reply->reply_payload_rcv_len = 0;
847 bsg_job_done(bsg_job, bsg_reply->result,
848 bsg_reply->reply_payload_rcv_len);
849 return -ENOSYS;
850 }
851 }
852
853 /**
854 * qla4xxx_bsg_request - handle bsg request from ISCSI transport
855 * @job: iscsi_bsg_job to handle
856 */
qla4xxx_bsg_request(struct bsg_job * bsg_job)857 int qla4xxx_bsg_request(struct bsg_job *bsg_job)
858 {
859 struct iscsi_bsg_request *bsg_req = bsg_job->request;
860 struct Scsi_Host *host = iscsi_job_to_shost(bsg_job);
861 struct scsi_qla_host *ha = to_qla_host(host);
862
863 switch (bsg_req->msgcode) {
864 case ISCSI_BSG_HST_VENDOR:
865 return qla4xxx_process_vendor_specific(bsg_job);
866
867 default:
868 ql4_printk(KERN_ERR, ha, "%s: invalid BSG command: 0x%x\n",
869 __func__, bsg_req->msgcode);
870 }
871
872 return -ENOSYS;
873 }
874