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[SCSI] lpfc 8.2.3 : Miscellaneous Small Fixes - part 1
[deliverable/linux.git] / drivers / scsi / lpfc / lpfc_attr.c
1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2007 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. *
6 * www.emulex.com *
7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
8 * *
9 * This program is free software; you can redistribute it and/or *
10 * modify it under the terms of version 2 of the GNU General *
11 * Public License as published by the Free Software Foundation. *
12 * This program is distributed in the hope that it will be useful. *
13 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
14 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
15 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
16 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
17 * TO BE LEGALLY INVALID. See the GNU General Public License for *
18 * more details, a copy of which can be found in the file COPYING *
19 * included with this package. *
20 *******************************************************************/
21
22 #include <linux/ctype.h>
23 #include <linux/delay.h>
24 #include <linux/pci.h>
25 #include <linux/interrupt.h>
26
27 #include <scsi/scsi.h>
28 #include <scsi/scsi_device.h>
29 #include <scsi/scsi_host.h>
30 #include <scsi/scsi_tcq.h>
31 #include <scsi/scsi_transport_fc.h>
32
33 #include "lpfc_hw.h"
34 #include "lpfc_sli.h"
35 #include "lpfc_disc.h"
36 #include "lpfc_scsi.h"
37 #include "lpfc.h"
38 #include "lpfc_logmsg.h"
39 #include "lpfc_version.h"
40 #include "lpfc_compat.h"
41 #include "lpfc_crtn.h"
42 #include "lpfc_vport.h"
43
44 #define LPFC_DEF_DEVLOSS_TMO 30
45 #define LPFC_MIN_DEVLOSS_TMO 1
46 #define LPFC_MAX_DEVLOSS_TMO 255
47
48 static void
49 lpfc_jedec_to_ascii(int incr, char hdw[])
50 {
51 int i, j;
52 for (i = 0; i < 8; i++) {
53 j = (incr & 0xf);
54 if (j <= 9)
55 hdw[7 - i] = 0x30 + j;
56 else
57 hdw[7 - i] = 0x61 + j - 10;
58 incr = (incr >> 4);
59 }
60 hdw[8] = 0;
61 return;
62 }
63
64 static ssize_t
65 lpfc_drvr_version_show(struct class_device *cdev, char *buf)
66 {
67 return snprintf(buf, PAGE_SIZE, LPFC_MODULE_DESC "\n");
68 }
69
70 static ssize_t
71 lpfc_info_show(struct class_device *cdev, char *buf)
72 {
73 struct Scsi_Host *host = class_to_shost(cdev);
74
75 return snprintf(buf, PAGE_SIZE, "%s\n",lpfc_info(host));
76 }
77
78 static ssize_t
79 lpfc_serialnum_show(struct class_device *cdev, char *buf)
80 {
81 struct Scsi_Host *shost = class_to_shost(cdev);
82 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
83 struct lpfc_hba *phba = vport->phba;
84
85 return snprintf(buf, PAGE_SIZE, "%s\n",phba->SerialNumber);
86 }
87
88 static ssize_t
89 lpfc_temp_sensor_show(struct class_device *cdev, char *buf)
90 {
91 struct Scsi_Host *shost = class_to_shost(cdev);
92 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
93 struct lpfc_hba *phba = vport->phba;
94 return snprintf(buf, PAGE_SIZE, "%d\n",phba->temp_sensor_support);
95 }
96
97 static ssize_t
98 lpfc_modeldesc_show(struct class_device *cdev, char *buf)
99 {
100 struct Scsi_Host *shost = class_to_shost(cdev);
101 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
102 struct lpfc_hba *phba = vport->phba;
103
104 return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelDesc);
105 }
106
107 static ssize_t
108 lpfc_modelname_show(struct class_device *cdev, char *buf)
109 {
110 struct Scsi_Host *shost = class_to_shost(cdev);
111 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
112 struct lpfc_hba *phba = vport->phba;
113
114 return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelName);
115 }
116
117 static ssize_t
118 lpfc_programtype_show(struct class_device *cdev, char *buf)
119 {
120 struct Scsi_Host *shost = class_to_shost(cdev);
121 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
122 struct lpfc_hba *phba = vport->phba;
123
124 return snprintf(buf, PAGE_SIZE, "%s\n",phba->ProgramType);
125 }
126
127 static ssize_t
128 lpfc_vportnum_show(struct class_device *cdev, char *buf)
129 {
130 struct Scsi_Host *shost = class_to_shost(cdev);
131 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
132 struct lpfc_hba *phba = vport->phba;
133
134 return snprintf(buf, PAGE_SIZE, "%s\n",phba->Port);
135 }
136
137 static ssize_t
138 lpfc_fwrev_show(struct class_device *cdev, char *buf)
139 {
140 struct Scsi_Host *shost = class_to_shost(cdev);
141 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
142 struct lpfc_hba *phba = vport->phba;
143 char fwrev[32];
144
145 lpfc_decode_firmware_rev(phba, fwrev, 1);
146 return snprintf(buf, PAGE_SIZE, "%s, sli-%d\n", fwrev, phba->sli_rev);
147 }
148
149 static ssize_t
150 lpfc_hdw_show(struct class_device *cdev, char *buf)
151 {
152 char hdw[9];
153 struct Scsi_Host *shost = class_to_shost(cdev);
154 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
155 struct lpfc_hba *phba = vport->phba;
156 lpfc_vpd_t *vp = &phba->vpd;
157
158 lpfc_jedec_to_ascii(vp->rev.biuRev, hdw);
159 return snprintf(buf, PAGE_SIZE, "%s\n", hdw);
160 }
161 static ssize_t
162 lpfc_option_rom_version_show(struct class_device *cdev, char *buf)
163 {
164 struct Scsi_Host *shost = class_to_shost(cdev);
165 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
166 struct lpfc_hba *phba = vport->phba;
167
168 return snprintf(buf, PAGE_SIZE, "%s\n", phba->OptionROMVersion);
169 }
170 static ssize_t
171 lpfc_state_show(struct class_device *cdev, char *buf)
172 {
173 struct Scsi_Host *shost = class_to_shost(cdev);
174 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
175 struct lpfc_hba *phba = vport->phba;
176 int len = 0;
177
178 switch (phba->link_state) {
179 case LPFC_LINK_UNKNOWN:
180 case LPFC_WARM_START:
181 case LPFC_INIT_START:
182 case LPFC_INIT_MBX_CMDS:
183 case LPFC_LINK_DOWN:
184 case LPFC_HBA_ERROR:
185 len += snprintf(buf + len, PAGE_SIZE-len, "Link Down\n");
186 break;
187 case LPFC_LINK_UP:
188 case LPFC_CLEAR_LA:
189 case LPFC_HBA_READY:
190 len += snprintf(buf + len, PAGE_SIZE-len, "Link Up - \n");
191
192 switch (vport->port_state) {
193 len += snprintf(buf + len, PAGE_SIZE-len,
194 "initializing\n");
195 break;
196 case LPFC_LOCAL_CFG_LINK:
197 len += snprintf(buf + len, PAGE_SIZE-len,
198 "Configuring Link\n");
199 break;
200 case LPFC_FDISC:
201 case LPFC_FLOGI:
202 case LPFC_FABRIC_CFG_LINK:
203 case LPFC_NS_REG:
204 case LPFC_NS_QRY:
205 case LPFC_BUILD_DISC_LIST:
206 case LPFC_DISC_AUTH:
207 len += snprintf(buf + len, PAGE_SIZE - len,
208 "Discovery\n");
209 break;
210 case LPFC_VPORT_READY:
211 len += snprintf(buf + len, PAGE_SIZE - len, "Ready\n");
212 break;
213
214 case LPFC_VPORT_FAILED:
215 len += snprintf(buf + len, PAGE_SIZE - len, "Failed\n");
216 break;
217
218 case LPFC_VPORT_UNKNOWN:
219 len += snprintf(buf + len, PAGE_SIZE - len,
220 "Unknown\n");
221 break;
222 }
223
224 if (phba->fc_topology == TOPOLOGY_LOOP) {
225 if (vport->fc_flag & FC_PUBLIC_LOOP)
226 len += snprintf(buf + len, PAGE_SIZE-len,
227 " Public Loop\n");
228 else
229 len += snprintf(buf + len, PAGE_SIZE-len,
230 " Private Loop\n");
231 } else {
232 if (vport->fc_flag & FC_FABRIC)
233 len += snprintf(buf + len, PAGE_SIZE-len,
234 " Fabric\n");
235 else
236 len += snprintf(buf + len, PAGE_SIZE-len,
237 " Point-2-Point\n");
238 }
239 }
240
241 return len;
242 }
243
244 static ssize_t
245 lpfc_num_discovered_ports_show(struct class_device *cdev, char *buf)
246 {
247 struct Scsi_Host *shost = class_to_shost(cdev);
248 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
249
250 return snprintf(buf, PAGE_SIZE, "%d\n",
251 vport->fc_map_cnt + vport->fc_unmap_cnt);
252 }
253
254
255 static int
256 lpfc_issue_lip(struct Scsi_Host *shost)
257 {
258 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
259 struct lpfc_hba *phba = vport->phba;
260 LPFC_MBOXQ_t *pmboxq;
261 int mbxstatus = MBXERR_ERROR;
262
263 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
264 (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) ||
265 (vport->port_state != LPFC_VPORT_READY))
266 return -EPERM;
267
268 pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
269
270 if (!pmboxq)
271 return -ENOMEM;
272
273 memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
274 pmboxq->mb.mbxCommand = MBX_DOWN_LINK;
275 pmboxq->mb.mbxOwner = OWN_HOST;
276
277 mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO * 2);
278
279 if ((mbxstatus == MBX_SUCCESS) && (pmboxq->mb.mbxStatus == 0)) {
280 memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
281 lpfc_init_link(phba, pmboxq, phba->cfg_topology,
282 phba->cfg_link_speed);
283 mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq,
284 phba->fc_ratov * 2);
285 }
286
287 lpfc_set_loopback_flag(phba);
288 if (mbxstatus != MBX_TIMEOUT)
289 mempool_free(pmboxq, phba->mbox_mem_pool);
290
291 if (mbxstatus == MBXERR_ERROR)
292 return -EIO;
293
294 return 0;
295 }
296
297 static int
298 lpfc_do_offline(struct lpfc_hba *phba, uint32_t type)
299 {
300 struct completion online_compl;
301 struct lpfc_sli_ring *pring;
302 struct lpfc_sli *psli;
303 int status = 0;
304 int cnt = 0;
305 int i;
306
307 init_completion(&online_compl);
308 lpfc_workq_post_event(phba, &status, &online_compl,
309 LPFC_EVT_OFFLINE_PREP);
310 wait_for_completion(&online_compl);
311
312 if (status != 0)
313 return -EIO;
314
315 psli = &phba->sli;
316
317 for (i = 0; i < psli->num_rings; i++) {
318 pring = &psli->ring[i];
319 /* The linkdown event takes 30 seconds to timeout. */
320 while (pring->txcmplq_cnt) {
321 msleep(10);
322 if (cnt++ > 3000) {
323 lpfc_printf_log(phba,
324 KERN_WARNING, LOG_INIT,
325 "0466 Outstanding IO when "
326 "bringing Adapter offline\n");
327 break;
328 }
329 }
330 }
331
332 init_completion(&online_compl);
333 lpfc_workq_post_event(phba, &status, &online_compl, type);
334 wait_for_completion(&online_compl);
335
336 if (status != 0)
337 return -EIO;
338
339 return 0;
340 }
341
342 static int
343 lpfc_selective_reset(struct lpfc_hba *phba)
344 {
345 struct completion online_compl;
346 int status = 0;
347
348 status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
349
350 if (status != 0)
351 return status;
352
353 init_completion(&online_compl);
354 lpfc_workq_post_event(phba, &status, &online_compl,
355 LPFC_EVT_ONLINE);
356 wait_for_completion(&online_compl);
357
358 if (status != 0)
359 return -EIO;
360
361 return 0;
362 }
363
364 static ssize_t
365 lpfc_issue_reset(struct class_device *cdev, const char *buf, size_t count)
366 {
367 struct Scsi_Host *shost = class_to_shost(cdev);
368 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
369 struct lpfc_hba *phba = vport->phba;
370
371 int status = -EINVAL;
372
373 if (strncmp(buf, "selective", sizeof("selective") - 1) == 0)
374 status = lpfc_selective_reset(phba);
375
376 if (status == 0)
377 return strlen(buf);
378 else
379 return status;
380 }
381
382 static ssize_t
383 lpfc_nport_evt_cnt_show(struct class_device *cdev, char *buf)
384 {
385 struct Scsi_Host *shost = class_to_shost(cdev);
386 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
387 struct lpfc_hba *phba = vport->phba;
388
389 return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt);
390 }
391
392 static ssize_t
393 lpfc_board_mode_show(struct class_device *cdev, char *buf)
394 {
395 struct Scsi_Host *shost = class_to_shost(cdev);
396 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
397 struct lpfc_hba *phba = vport->phba;
398 char * state;
399
400 if (phba->link_state == LPFC_HBA_ERROR)
401 state = "error";
402 else if (phba->link_state == LPFC_WARM_START)
403 state = "warm start";
404 else if (phba->link_state == LPFC_INIT_START)
405 state = "offline";
406 else
407 state = "online";
408
409 return snprintf(buf, PAGE_SIZE, "%s\n", state);
410 }
411
412 static ssize_t
413 lpfc_board_mode_store(struct class_device *cdev, const char *buf, size_t count)
414 {
415 struct Scsi_Host *shost = class_to_shost(cdev);
416 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
417 struct lpfc_hba *phba = vport->phba;
418 struct completion online_compl;
419 int status=0;
420
421 init_completion(&online_compl);
422
423 if(strncmp(buf, "online", sizeof("online") - 1) == 0) {
424 lpfc_workq_post_event(phba, &status, &online_compl,
425 LPFC_EVT_ONLINE);
426 wait_for_completion(&online_compl);
427 } else if (strncmp(buf, "offline", sizeof("offline") - 1) == 0)
428 status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
429 else if (strncmp(buf, "warm", sizeof("warm") - 1) == 0)
430 status = lpfc_do_offline(phba, LPFC_EVT_WARM_START);
431 else if (strncmp(buf, "error", sizeof("error") - 1) == 0)
432 status = lpfc_do_offline(phba, LPFC_EVT_KILL);
433 else
434 return -EINVAL;
435
436 if (!status)
437 return strlen(buf);
438 else
439 return -EIO;
440 }
441
442 static int
443 lpfc_get_hba_info(struct lpfc_hba *phba,
444 uint32_t *mxri, uint32_t *axri,
445 uint32_t *mrpi, uint32_t *arpi,
446 uint32_t *mvpi, uint32_t *avpi)
447 {
448 struct lpfc_sli *psli = &phba->sli;
449 LPFC_MBOXQ_t *pmboxq;
450 MAILBOX_t *pmb;
451 int rc = 0;
452
453 /*
454 * prevent udev from issuing mailbox commands until the port is
455 * configured.
456 */
457 if (phba->link_state < LPFC_LINK_DOWN ||
458 !phba->mbox_mem_pool ||
459 (phba->sli.sli_flag & LPFC_SLI2_ACTIVE) == 0)
460 return 0;
461
462 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)
463 return 0;
464
465 pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
466 if (!pmboxq)
467 return 0;
468 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
469
470 pmb = &pmboxq->mb;
471 pmb->mbxCommand = MBX_READ_CONFIG;
472 pmb->mbxOwner = OWN_HOST;
473 pmboxq->context1 = NULL;
474
475 if ((phba->pport->fc_flag & FC_OFFLINE_MODE) ||
476 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
477 rc = MBX_NOT_FINISHED;
478 else
479 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
480
481 if (rc != MBX_SUCCESS) {
482 if (rc != MBX_TIMEOUT)
483 mempool_free(pmboxq, phba->mbox_mem_pool);
484 return 0;
485 }
486
487 if (mrpi)
488 *mrpi = pmb->un.varRdConfig.max_rpi;
489 if (arpi)
490 *arpi = pmb->un.varRdConfig.avail_rpi;
491 if (mxri)
492 *mxri = pmb->un.varRdConfig.max_xri;
493 if (axri)
494 *axri = pmb->un.varRdConfig.avail_xri;
495 if (mvpi)
496 *mvpi = pmb->un.varRdConfig.max_vpi;
497 if (avpi)
498 *avpi = pmb->un.varRdConfig.avail_vpi;
499
500 mempool_free(pmboxq, phba->mbox_mem_pool);
501 return 1;
502 }
503
504 static ssize_t
505 lpfc_max_rpi_show(struct class_device *cdev, char *buf)
506 {
507 struct Scsi_Host *shost = class_to_shost(cdev);
508 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
509 struct lpfc_hba *phba = vport->phba;
510 uint32_t cnt;
511
512 if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, NULL, NULL, NULL))
513 return snprintf(buf, PAGE_SIZE, "%d\n", cnt);
514 return snprintf(buf, PAGE_SIZE, "Unknown\n");
515 }
516
517 static ssize_t
518 lpfc_used_rpi_show(struct class_device *cdev, char *buf)
519 {
520 struct Scsi_Host *shost = class_to_shost(cdev);
521 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
522 struct lpfc_hba *phba = vport->phba;
523 uint32_t cnt, acnt;
524
525 if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, &acnt, NULL, NULL))
526 return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt));
527 return snprintf(buf, PAGE_SIZE, "Unknown\n");
528 }
529
530 static ssize_t
531 lpfc_max_xri_show(struct class_device *cdev, char *buf)
532 {
533 struct Scsi_Host *shost = class_to_shost(cdev);
534 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
535 struct lpfc_hba *phba = vport->phba;
536 uint32_t cnt;
537
538 if (lpfc_get_hba_info(phba, &cnt, NULL, NULL, NULL, NULL, NULL))
539 return snprintf(buf, PAGE_SIZE, "%d\n", cnt);
540 return snprintf(buf, PAGE_SIZE, "Unknown\n");
541 }
542
543 static ssize_t
544 lpfc_used_xri_show(struct class_device *cdev, char *buf)
545 {
546 struct Scsi_Host *shost = class_to_shost(cdev);
547 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
548 struct lpfc_hba *phba = vport->phba;
549 uint32_t cnt, acnt;
550
551 if (lpfc_get_hba_info(phba, &cnt, &acnt, NULL, NULL, NULL, NULL))
552 return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt));
553 return snprintf(buf, PAGE_SIZE, "Unknown\n");
554 }
555
556 static ssize_t
557 lpfc_max_vpi_show(struct class_device *cdev, char *buf)
558 {
559 struct Scsi_Host *shost = class_to_shost(cdev);
560 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
561 struct lpfc_hba *phba = vport->phba;
562 uint32_t cnt;
563
564 if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, NULL))
565 return snprintf(buf, PAGE_SIZE, "%d\n", cnt);
566 return snprintf(buf, PAGE_SIZE, "Unknown\n");
567 }
568
569 static ssize_t
570 lpfc_used_vpi_show(struct class_device *cdev, char *buf)
571 {
572 struct Scsi_Host *shost = class_to_shost(cdev);
573 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
574 struct lpfc_hba *phba = vport->phba;
575 uint32_t cnt, acnt;
576
577 if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, &acnt))
578 return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt));
579 return snprintf(buf, PAGE_SIZE, "Unknown\n");
580 }
581
582 static ssize_t
583 lpfc_npiv_info_show(struct class_device *cdev, char *buf)
584 {
585 struct Scsi_Host *shost = class_to_shost(cdev);
586 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
587 struct lpfc_hba *phba = vport->phba;
588
589 if (!(phba->max_vpi))
590 return snprintf(buf, PAGE_SIZE, "NPIV Not Supported\n");
591 if (vport->port_type == LPFC_PHYSICAL_PORT)
592 return snprintf(buf, PAGE_SIZE, "NPIV Physical\n");
593 return snprintf(buf, PAGE_SIZE, "NPIV Virtual (VPI %d)\n", vport->vpi);
594 }
595
596 static ssize_t
597 lpfc_poll_show(struct class_device *cdev, char *buf)
598 {
599 struct Scsi_Host *shost = class_to_shost(cdev);
600 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
601 struct lpfc_hba *phba = vport->phba;
602
603 return snprintf(buf, PAGE_SIZE, "%#x\n", phba->cfg_poll);
604 }
605
606 static ssize_t
607 lpfc_poll_store(struct class_device *cdev, const char *buf,
608 size_t count)
609 {
610 struct Scsi_Host *shost = class_to_shost(cdev);
611 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
612 struct lpfc_hba *phba = vport->phba;
613 uint32_t creg_val;
614 uint32_t old_val;
615 int val=0;
616
617 if (!isdigit(buf[0]))
618 return -EINVAL;
619
620 if (sscanf(buf, "%i", &val) != 1)
621 return -EINVAL;
622
623 if ((val & 0x3) != val)
624 return -EINVAL;
625
626 spin_lock_irq(&phba->hbalock);
627
628 old_val = phba->cfg_poll;
629
630 if (val & ENABLE_FCP_RING_POLLING) {
631 if ((val & DISABLE_FCP_RING_INT) &&
632 !(old_val & DISABLE_FCP_RING_INT)) {
633 creg_val = readl(phba->HCregaddr);
634 creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
635 writel(creg_val, phba->HCregaddr);
636 readl(phba->HCregaddr); /* flush */
637
638 lpfc_poll_start_timer(phba);
639 }
640 } else if (val != 0x0) {
641 spin_unlock_irq(&phba->hbalock);
642 return -EINVAL;
643 }
644
645 if (!(val & DISABLE_FCP_RING_INT) &&
646 (old_val & DISABLE_FCP_RING_INT))
647 {
648 spin_unlock_irq(&phba->hbalock);
649 del_timer(&phba->fcp_poll_timer);
650 spin_lock_irq(&phba->hbalock);
651 creg_val = readl(phba->HCregaddr);
652 creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING);
653 writel(creg_val, phba->HCregaddr);
654 readl(phba->HCregaddr); /* flush */
655 }
656
657 phba->cfg_poll = val;
658
659 spin_unlock_irq(&phba->hbalock);
660
661 return strlen(buf);
662 }
663
664 #define lpfc_param_show(attr) \
665 static ssize_t \
666 lpfc_##attr##_show(struct class_device *cdev, char *buf) \
667 { \
668 struct Scsi_Host *shost = class_to_shost(cdev);\
669 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
670 struct lpfc_hba *phba = vport->phba;\
671 int val = 0;\
672 val = phba->cfg_##attr;\
673 return snprintf(buf, PAGE_SIZE, "%d\n",\
674 phba->cfg_##attr);\
675 }
676
677 #define lpfc_param_hex_show(attr) \
678 static ssize_t \
679 lpfc_##attr##_show(struct class_device *cdev, char *buf) \
680 { \
681 struct Scsi_Host *shost = class_to_shost(cdev);\
682 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
683 struct lpfc_hba *phba = vport->phba;\
684 int val = 0;\
685 val = phba->cfg_##attr;\
686 return snprintf(buf, PAGE_SIZE, "%#x\n",\
687 phba->cfg_##attr);\
688 }
689
690 #define lpfc_param_init(attr, default, minval, maxval) \
691 static int \
692 lpfc_##attr##_init(struct lpfc_hba *phba, int val) \
693 { \
694 if (val >= minval && val <= maxval) {\
695 phba->cfg_##attr = val;\
696 return 0;\
697 }\
698 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
699 "0449 lpfc_"#attr" attribute cannot be set to %d, "\
700 "allowed range is ["#minval", "#maxval"]\n", val); \
701 phba->cfg_##attr = default;\
702 return -EINVAL;\
703 }
704
705 #define lpfc_param_set(attr, default, minval, maxval) \
706 static int \
707 lpfc_##attr##_set(struct lpfc_hba *phba, int val) \
708 { \
709 if (val >= minval && val <= maxval) {\
710 phba->cfg_##attr = val;\
711 return 0;\
712 }\
713 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
714 "0450 lpfc_"#attr" attribute cannot be set to %d, "\
715 "allowed range is ["#minval", "#maxval"]\n", val); \
716 return -EINVAL;\
717 }
718
719 #define lpfc_param_store(attr) \
720 static ssize_t \
721 lpfc_##attr##_store(struct class_device *cdev, const char *buf, size_t count) \
722 { \
723 struct Scsi_Host *shost = class_to_shost(cdev);\
724 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
725 struct lpfc_hba *phba = vport->phba;\
726 int val=0;\
727 if (!isdigit(buf[0]))\
728 return -EINVAL;\
729 if (sscanf(buf, "%i", &val) != 1)\
730 return -EINVAL;\
731 if (lpfc_##attr##_set(phba, val) == 0) \
732 return strlen(buf);\
733 else \
734 return -EINVAL;\
735 }
736
737 #define lpfc_vport_param_show(attr) \
738 static ssize_t \
739 lpfc_##attr##_show(struct class_device *cdev, char *buf) \
740 { \
741 struct Scsi_Host *shost = class_to_shost(cdev);\
742 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
743 int val = 0;\
744 val = vport->cfg_##attr;\
745 return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_##attr);\
746 }
747
748 #define lpfc_vport_param_hex_show(attr) \
749 static ssize_t \
750 lpfc_##attr##_show(struct class_device *cdev, char *buf) \
751 { \
752 struct Scsi_Host *shost = class_to_shost(cdev);\
753 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
754 int val = 0;\
755 val = vport->cfg_##attr;\
756 return snprintf(buf, PAGE_SIZE, "%#x\n", vport->cfg_##attr);\
757 }
758
759 #define lpfc_vport_param_init(attr, default, minval, maxval) \
760 static int \
761 lpfc_##attr##_init(struct lpfc_vport *vport, int val) \
762 { \
763 if (val >= minval && val <= maxval) {\
764 vport->cfg_##attr = val;\
765 return 0;\
766 }\
767 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \
768 "0449 lpfc_"#attr" attribute cannot be set to %d, "\
769 "allowed range is ["#minval", "#maxval"]\n", val); \
770 vport->cfg_##attr = default;\
771 return -EINVAL;\
772 }
773
774 #define lpfc_vport_param_set(attr, default, minval, maxval) \
775 static int \
776 lpfc_##attr##_set(struct lpfc_vport *vport, int val) \
777 { \
778 if (val >= minval && val <= maxval) {\
779 vport->cfg_##attr = val;\
780 return 0;\
781 }\
782 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \
783 "0450 lpfc_"#attr" attribute cannot be set to %d, "\
784 "allowed range is ["#minval", "#maxval"]\n", val); \
785 return -EINVAL;\
786 }
787
788 #define lpfc_vport_param_store(attr) \
789 static ssize_t \
790 lpfc_##attr##_store(struct class_device *cdev, const char *buf, size_t count) \
791 { \
792 struct Scsi_Host *shost = class_to_shost(cdev);\
793 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
794 int val=0;\
795 if (!isdigit(buf[0]))\
796 return -EINVAL;\
797 if (sscanf(buf, "%i", &val) != 1)\
798 return -EINVAL;\
799 if (lpfc_##attr##_set(vport, val) == 0) \
800 return strlen(buf);\
801 else \
802 return -EINVAL;\
803 }
804
805
806 #define LPFC_ATTR(name, defval, minval, maxval, desc) \
807 static int lpfc_##name = defval;\
808 module_param(lpfc_##name, int, 0);\
809 MODULE_PARM_DESC(lpfc_##name, desc);\
810 lpfc_param_init(name, defval, minval, maxval)
811
812 #define LPFC_ATTR_R(name, defval, minval, maxval, desc) \
813 static int lpfc_##name = defval;\
814 module_param(lpfc_##name, int, 0);\
815 MODULE_PARM_DESC(lpfc_##name, desc);\
816 lpfc_param_show(name)\
817 lpfc_param_init(name, defval, minval, maxval)\
818 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
819
820 #define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \
821 static int lpfc_##name = defval;\
822 module_param(lpfc_##name, int, 0);\
823 MODULE_PARM_DESC(lpfc_##name, desc);\
824 lpfc_param_show(name)\
825 lpfc_param_init(name, defval, minval, maxval)\
826 lpfc_param_set(name, defval, minval, maxval)\
827 lpfc_param_store(name)\
828 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
829 lpfc_##name##_show, lpfc_##name##_store)
830
831 #define LPFC_ATTR_HEX_R(name, defval, minval, maxval, desc) \
832 static int lpfc_##name = defval;\
833 module_param(lpfc_##name, int, 0);\
834 MODULE_PARM_DESC(lpfc_##name, desc);\
835 lpfc_param_hex_show(name)\
836 lpfc_param_init(name, defval, minval, maxval)\
837 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
838
839 #define LPFC_ATTR_HEX_RW(name, defval, minval, maxval, desc) \
840 static int lpfc_##name = defval;\
841 module_param(lpfc_##name, int, 0);\
842 MODULE_PARM_DESC(lpfc_##name, desc);\
843 lpfc_param_hex_show(name)\
844 lpfc_param_init(name, defval, minval, maxval)\
845 lpfc_param_set(name, defval, minval, maxval)\
846 lpfc_param_store(name)\
847 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
848 lpfc_##name##_show, lpfc_##name##_store)
849
850 #define LPFC_VPORT_ATTR(name, defval, minval, maxval, desc) \
851 static int lpfc_##name = defval;\
852 module_param(lpfc_##name, int, 0);\
853 MODULE_PARM_DESC(lpfc_##name, desc);\
854 lpfc_vport_param_init(name, defval, minval, maxval)
855
856 #define LPFC_VPORT_ATTR_R(name, defval, minval, maxval, desc) \
857 static int lpfc_##name = defval;\
858 module_param(lpfc_##name, int, 0);\
859 MODULE_PARM_DESC(lpfc_##name, desc);\
860 lpfc_vport_param_show(name)\
861 lpfc_vport_param_init(name, defval, minval, maxval)\
862 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
863
864 #define LPFC_VPORT_ATTR_RW(name, defval, minval, maxval, desc) \
865 static int lpfc_##name = defval;\
866 module_param(lpfc_##name, int, 0);\
867 MODULE_PARM_DESC(lpfc_##name, desc);\
868 lpfc_vport_param_show(name)\
869 lpfc_vport_param_init(name, defval, minval, maxval)\
870 lpfc_vport_param_set(name, defval, minval, maxval)\
871 lpfc_vport_param_store(name)\
872 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
873 lpfc_##name##_show, lpfc_##name##_store)
874
875 #define LPFC_VPORT_ATTR_HEX_R(name, defval, minval, maxval, desc) \
876 static int lpfc_##name = defval;\
877 module_param(lpfc_##name, int, 0);\
878 MODULE_PARM_DESC(lpfc_##name, desc);\
879 lpfc_vport_param_hex_show(name)\
880 lpfc_vport_param_init(name, defval, minval, maxval)\
881 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
882
883 #define LPFC_VPORT_ATTR_HEX_RW(name, defval, minval, maxval, desc) \
884 static int lpfc_##name = defval;\
885 module_param(lpfc_##name, int, 0);\
886 MODULE_PARM_DESC(lpfc_##name, desc);\
887 lpfc_vport_param_hex_show(name)\
888 lpfc_vport_param_init(name, defval, minval, maxval)\
889 lpfc_vport_param_set(name, defval, minval, maxval)\
890 lpfc_vport_param_store(name)\
891 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
892 lpfc_##name##_show, lpfc_##name##_store)
893
894 static CLASS_DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL);
895 static CLASS_DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL);
896 static CLASS_DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL);
897 static CLASS_DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL);
898 static CLASS_DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL);
899 static CLASS_DEVICE_ATTR(portnum, S_IRUGO, lpfc_vportnum_show, NULL);
900 static CLASS_DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL);
901 static CLASS_DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL);
902 static CLASS_DEVICE_ATTR(state, S_IRUGO, lpfc_state_show, NULL);
903 static CLASS_DEVICE_ATTR(option_rom_version, S_IRUGO,
904 lpfc_option_rom_version_show, NULL);
905 static CLASS_DEVICE_ATTR(num_discovered_ports, S_IRUGO,
906 lpfc_num_discovered_ports_show, NULL);
907 static CLASS_DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL);
908 static CLASS_DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show,
909 NULL);
910 static CLASS_DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR,
911 lpfc_board_mode_show, lpfc_board_mode_store);
912 static CLASS_DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset);
913 static CLASS_DEVICE_ATTR(max_vpi, S_IRUGO, lpfc_max_vpi_show, NULL);
914 static CLASS_DEVICE_ATTR(used_vpi, S_IRUGO, lpfc_used_vpi_show, NULL);
915 static CLASS_DEVICE_ATTR(max_rpi, S_IRUGO, lpfc_max_rpi_show, NULL);
916 static CLASS_DEVICE_ATTR(used_rpi, S_IRUGO, lpfc_used_rpi_show, NULL);
917 static CLASS_DEVICE_ATTR(max_xri, S_IRUGO, lpfc_max_xri_show, NULL);
918 static CLASS_DEVICE_ATTR(used_xri, S_IRUGO, lpfc_used_xri_show, NULL);
919 static CLASS_DEVICE_ATTR(npiv_info, S_IRUGO, lpfc_npiv_info_show, NULL);
920 static CLASS_DEVICE_ATTR(lpfc_temp_sensor, S_IRUGO, lpfc_temp_sensor_show,
921 NULL);
922
923
924 static char *lpfc_soft_wwn_key = "C99G71SL8032A";
925
926 static ssize_t
927 lpfc_soft_wwn_enable_store(struct class_device *cdev, const char *buf,
928 size_t count)
929 {
930 struct Scsi_Host *shost = class_to_shost(cdev);
931 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
932 struct lpfc_hba *phba = vport->phba;
933 unsigned int cnt = count;
934
935 /*
936 * We're doing a simple sanity check for soft_wwpn setting.
937 * We require that the user write a specific key to enable
938 * the soft_wwpn attribute to be settable. Once the attribute
939 * is written, the enable key resets. If further updates are
940 * desired, the key must be written again to re-enable the
941 * attribute.
942 *
943 * The "key" is not secret - it is a hardcoded string shown
944 * here. The intent is to protect against the random user or
945 * application that is just writing attributes.
946 */
947
948 /* count may include a LF at end of string */
949 if (buf[cnt-1] == '\n')
950 cnt--;
951
952 if ((cnt != strlen(lpfc_soft_wwn_key)) ||
953 (strncmp(buf, lpfc_soft_wwn_key, strlen(lpfc_soft_wwn_key)) != 0))
954 return -EINVAL;
955
956 phba->soft_wwn_enable = 1;
957 return count;
958 }
959 static CLASS_DEVICE_ATTR(lpfc_soft_wwn_enable, S_IWUSR, NULL,
960 lpfc_soft_wwn_enable_store);
961
962 static ssize_t
963 lpfc_soft_wwpn_show(struct class_device *cdev, char *buf)
964 {
965 struct Scsi_Host *shost = class_to_shost(cdev);
966 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
967 struct lpfc_hba *phba = vport->phba;
968
969 return snprintf(buf, PAGE_SIZE, "0x%llx\n",
970 (unsigned long long)phba->cfg_soft_wwpn);
971 }
972
973
974 static ssize_t
975 lpfc_soft_wwpn_store(struct class_device *cdev, const char *buf, size_t count)
976 {
977 struct Scsi_Host *shost = class_to_shost(cdev);
978 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
979 struct lpfc_hba *phba = vport->phba;
980 struct completion online_compl;
981 int stat1=0, stat2=0;
982 unsigned int i, j, cnt=count;
983 u8 wwpn[8];
984
985 /* count may include a LF at end of string */
986 if (buf[cnt-1] == '\n')
987 cnt--;
988
989 if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) ||
990 ((cnt == 17) && (*buf++ != 'x')) ||
991 ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x'))))
992 return -EINVAL;
993
994 phba->soft_wwn_enable = 0;
995
996 memset(wwpn, 0, sizeof(wwpn));
997
998 /* Validate and store the new name */
999 for (i=0, j=0; i < 16; i++) {
1000 if ((*buf >= 'a') && (*buf <= 'f'))
1001 j = ((j << 4) | ((*buf++ -'a') + 10));
1002 else if ((*buf >= 'A') && (*buf <= 'F'))
1003 j = ((j << 4) | ((*buf++ -'A') + 10));
1004 else if ((*buf >= '0') && (*buf <= '9'))
1005 j = ((j << 4) | (*buf++ -'0'));
1006 else
1007 return -EINVAL;
1008 if (i % 2) {
1009 wwpn[i/2] = j & 0xff;
1010 j = 0;
1011 }
1012 }
1013 phba->cfg_soft_wwpn = wwn_to_u64(wwpn);
1014 fc_host_port_name(shost) = phba->cfg_soft_wwpn;
1015 if (phba->cfg_soft_wwnn)
1016 fc_host_node_name(shost) = phba->cfg_soft_wwnn;
1017
1018 dev_printk(KERN_NOTICE, &phba->pcidev->dev,
1019 "lpfc%d: Reinitializing to use soft_wwpn\n", phba->brd_no);
1020
1021 stat1 = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
1022 if (stat1)
1023 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1024 "0463 lpfc_soft_wwpn attribute set failed to "
1025 "reinit adapter - %d\n", stat1);
1026 init_completion(&online_compl);
1027 lpfc_workq_post_event(phba, &stat2, &online_compl, LPFC_EVT_ONLINE);
1028 wait_for_completion(&online_compl);
1029 if (stat2)
1030 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1031 "0464 lpfc_soft_wwpn attribute set failed to "
1032 "reinit adapter - %d\n", stat2);
1033 return (stat1 || stat2) ? -EIO : count;
1034 }
1035 static CLASS_DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR,\
1036 lpfc_soft_wwpn_show, lpfc_soft_wwpn_store);
1037
1038 static ssize_t
1039 lpfc_soft_wwnn_show(struct class_device *cdev, char *buf)
1040 {
1041 struct Scsi_Host *shost = class_to_shost(cdev);
1042 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
1043 return snprintf(buf, PAGE_SIZE, "0x%llx\n",
1044 (unsigned long long)phba->cfg_soft_wwnn);
1045 }
1046
1047
1048 static ssize_t
1049 lpfc_soft_wwnn_store(struct class_device *cdev, const char *buf, size_t count)
1050 {
1051 struct Scsi_Host *shost = class_to_shost(cdev);
1052 struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
1053 unsigned int i, j, cnt=count;
1054 u8 wwnn[8];
1055
1056 /* count may include a LF at end of string */
1057 if (buf[cnt-1] == '\n')
1058 cnt--;
1059
1060 if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) ||
1061 ((cnt == 17) && (*buf++ != 'x')) ||
1062 ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x'))))
1063 return -EINVAL;
1064
1065 /*
1066 * Allow wwnn to be set many times, as long as the enable is set.
1067 * However, once the wwpn is set, everything locks.
1068 */
1069
1070 memset(wwnn, 0, sizeof(wwnn));
1071
1072 /* Validate and store the new name */
1073 for (i=0, j=0; i < 16; i++) {
1074 if ((*buf >= 'a') && (*buf <= 'f'))
1075 j = ((j << 4) | ((*buf++ -'a') + 10));
1076 else if ((*buf >= 'A') && (*buf <= 'F'))
1077 j = ((j << 4) | ((*buf++ -'A') + 10));
1078 else if ((*buf >= '0') && (*buf <= '9'))
1079 j = ((j << 4) | (*buf++ -'0'));
1080 else
1081 return -EINVAL;
1082 if (i % 2) {
1083 wwnn[i/2] = j & 0xff;
1084 j = 0;
1085 }
1086 }
1087 phba->cfg_soft_wwnn = wwn_to_u64(wwnn);
1088
1089 dev_printk(KERN_NOTICE, &phba->pcidev->dev,
1090 "lpfc%d: soft_wwnn set. Value will take effect upon "
1091 "setting of the soft_wwpn\n", phba->brd_no);
1092
1093 return count;
1094 }
1095 static CLASS_DEVICE_ATTR(lpfc_soft_wwnn, S_IRUGO | S_IWUSR,\
1096 lpfc_soft_wwnn_show, lpfc_soft_wwnn_store);
1097
1098
1099 static int lpfc_poll = 0;
1100 module_param(lpfc_poll, int, 0);
1101 MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:"
1102 " 0 - none,"
1103 " 1 - poll with interrupts enabled"
1104 " 3 - poll and disable FCP ring interrupts");
1105
1106 static CLASS_DEVICE_ATTR(lpfc_poll, S_IRUGO | S_IWUSR,
1107 lpfc_poll_show, lpfc_poll_store);
1108
1109 int lpfc_sli_mode = 0;
1110 module_param(lpfc_sli_mode, int, 0);
1111 MODULE_PARM_DESC(lpfc_sli_mode, "SLI mode selector:"
1112 " 0 - auto (SLI-3 if supported),"
1113 " 2 - select SLI-2 even on SLI-3 capable HBAs,"
1114 " 3 - select SLI-3");
1115
1116 int lpfc_enable_npiv = 0;
1117 module_param(lpfc_enable_npiv, int, 0);
1118 MODULE_PARM_DESC(lpfc_enable_npiv, "Enable NPIV functionality");
1119 lpfc_param_show(enable_npiv);
1120 lpfc_param_init(enable_npiv, 0, 0, 1);
1121 static CLASS_DEVICE_ATTR(lpfc_enable_npiv, S_IRUGO,
1122 lpfc_enable_npiv_show, NULL);
1123
1124 /*
1125 # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
1126 # until the timer expires. Value range is [0,255]. Default value is 30.
1127 */
1128 static int lpfc_nodev_tmo = LPFC_DEF_DEVLOSS_TMO;
1129 static int lpfc_devloss_tmo = LPFC_DEF_DEVLOSS_TMO;
1130 module_param(lpfc_nodev_tmo, int, 0);
1131 MODULE_PARM_DESC(lpfc_nodev_tmo,
1132 "Seconds driver will hold I/O waiting "
1133 "for a device to come back");
1134 static ssize_t
1135 lpfc_nodev_tmo_show(struct class_device *cdev, char *buf)
1136 {
1137 struct Scsi_Host *shost = class_to_shost(cdev);
1138 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1139 int val = 0;
1140 val = vport->cfg_devloss_tmo;
1141 return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_devloss_tmo);
1142 }
1143
1144 static int
1145 lpfc_nodev_tmo_init(struct lpfc_vport *vport, int val)
1146 {
1147 if (vport->cfg_devloss_tmo != LPFC_DEF_DEVLOSS_TMO) {
1148 vport->cfg_nodev_tmo = vport->cfg_devloss_tmo;
1149 if (val != LPFC_DEF_DEVLOSS_TMO)
1150 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
1151 "0402 Ignoring nodev_tmo module "
1152 "parameter because devloss_tmo is "
1153 "set.\n");
1154 return 0;
1155 }
1156
1157 if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
1158 vport->cfg_nodev_tmo = val;
1159 vport->cfg_devloss_tmo = val;
1160 return 0;
1161 }
1162 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
1163 "0400 lpfc_nodev_tmo attribute cannot be set to"
1164 " %d, allowed range is [%d, %d]\n",
1165 val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO);
1166 vport->cfg_nodev_tmo = LPFC_DEF_DEVLOSS_TMO;
1167 return -EINVAL;
1168 }
1169
1170 static void
1171 lpfc_update_rport_devloss_tmo(struct lpfc_vport *vport)
1172 {
1173 struct Scsi_Host *shost;
1174 struct lpfc_nodelist *ndlp;
1175
1176 shost = lpfc_shost_from_vport(vport);
1177 spin_lock_irq(shost->host_lock);
1178 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp)
1179 if (ndlp->rport)
1180 ndlp->rport->dev_loss_tmo = vport->cfg_devloss_tmo;
1181 spin_unlock_irq(shost->host_lock);
1182 }
1183
1184 static int
1185 lpfc_nodev_tmo_set(struct lpfc_vport *vport, int val)
1186 {
1187 if (vport->dev_loss_tmo_changed ||
1188 (lpfc_devloss_tmo != LPFC_DEF_DEVLOSS_TMO)) {
1189 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
1190 "0401 Ignoring change to nodev_tmo "
1191 "because devloss_tmo is set.\n");
1192 return 0;
1193 }
1194 if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
1195 vport->cfg_nodev_tmo = val;
1196 vport->cfg_devloss_tmo = val;
1197 lpfc_update_rport_devloss_tmo(vport);
1198 return 0;
1199 }
1200 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
1201 "0403 lpfc_nodev_tmo attribute cannot be set to"
1202 "%d, allowed range is [%d, %d]\n",
1203 val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO);
1204 return -EINVAL;
1205 }
1206
1207 lpfc_vport_param_store(nodev_tmo)
1208
1209 static CLASS_DEVICE_ATTR(lpfc_nodev_tmo, S_IRUGO | S_IWUSR,
1210 lpfc_nodev_tmo_show, lpfc_nodev_tmo_store);
1211
1212 /*
1213 # lpfc_devloss_tmo: If set, it will hold all I/O errors on devices that
1214 # disappear until the timer expires. Value range is [0,255]. Default
1215 # value is 30.
1216 */
1217 module_param(lpfc_devloss_tmo, int, 0);
1218 MODULE_PARM_DESC(lpfc_devloss_tmo,
1219 "Seconds driver will hold I/O waiting "
1220 "for a device to come back");
1221 lpfc_vport_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO,
1222 LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO)
1223 lpfc_vport_param_show(devloss_tmo)
1224 static int
1225 lpfc_devloss_tmo_set(struct lpfc_vport *vport, int val)
1226 {
1227 if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
1228 vport->cfg_nodev_tmo = val;
1229 vport->cfg_devloss_tmo = val;
1230 vport->dev_loss_tmo_changed = 1;
1231 lpfc_update_rport_devloss_tmo(vport);
1232 return 0;
1233 }
1234
1235 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
1236 "0404 lpfc_devloss_tmo attribute cannot be set to"
1237 " %d, allowed range is [%d, %d]\n",
1238 val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO);
1239 return -EINVAL;
1240 }
1241
1242 lpfc_vport_param_store(devloss_tmo)
1243 static CLASS_DEVICE_ATTR(lpfc_devloss_tmo, S_IRUGO | S_IWUSR,
1244 lpfc_devloss_tmo_show, lpfc_devloss_tmo_store);
1245
1246 /*
1247 # lpfc_log_verbose: Only turn this flag on if you are willing to risk being
1248 # deluged with LOTS of information.
1249 # You can set a bit mask to record specific types of verbose messages:
1250 #
1251 # LOG_ELS 0x1 ELS events
1252 # LOG_DISCOVERY 0x2 Link discovery events
1253 # LOG_MBOX 0x4 Mailbox events
1254 # LOG_INIT 0x8 Initialization events
1255 # LOG_LINK_EVENT 0x10 Link events
1256 # LOG_FCP 0x40 FCP traffic history
1257 # LOG_NODE 0x80 Node table events
1258 # LOG_MISC 0x400 Miscellaneous events
1259 # LOG_SLI 0x800 SLI events
1260 # LOG_FCP_ERROR 0x1000 Only log FCP errors
1261 # LOG_LIBDFC 0x2000 LIBDFC events
1262 # LOG_ALL_MSG 0xffff LOG all messages
1263 */
1264 LPFC_VPORT_ATTR_HEX_RW(log_verbose, 0x0, 0x0, 0xffff,
1265 "Verbose logging bit-mask");
1266
1267 /*
1268 # lpfc_enable_da_id: This turns on the DA_ID CT command that deregisters
1269 # objects that have been registered with the nameserver after login.
1270 */
1271 LPFC_VPORT_ATTR_R(enable_da_id, 0, 0, 1,
1272 "Deregister nameserver objects before LOGO");
1273
1274 /*
1275 # lun_queue_depth: This parameter is used to limit the number of outstanding
1276 # commands per FCP LUN. Value range is [1,128]. Default value is 30.
1277 */
1278 LPFC_VPORT_ATTR_R(lun_queue_depth, 30, 1, 128,
1279 "Max number of FCP commands we can queue to a specific LUN");
1280
1281 /*
1282 # hba_queue_depth: This parameter is used to limit the number of outstanding
1283 # commands per lpfc HBA. Value range is [32,8192]. If this parameter
1284 # value is greater than the maximum number of exchanges supported by the HBA,
1285 # then maximum number of exchanges supported by the HBA is used to determine
1286 # the hba_queue_depth.
1287 */
1288 LPFC_ATTR_R(hba_queue_depth, 8192, 32, 8192,
1289 "Max number of FCP commands we can queue to a lpfc HBA");
1290
1291 /*
1292 # peer_port_login: This parameter allows/prevents logins
1293 # between peer ports hosted on the same physical port.
1294 # When this parameter is set 0 peer ports of same physical port
1295 # are not allowed to login to each other.
1296 # When this parameter is set 1 peer ports of same physical port
1297 # are allowed to login to each other.
1298 # Default value of this parameter is 0.
1299 */
1300 LPFC_VPORT_ATTR_R(peer_port_login, 0, 0, 1,
1301 "Allow peer ports on the same physical port to login to each "
1302 "other.");
1303
1304 /*
1305 # restrict_login: This parameter allows/prevents logins
1306 # between Virtual Ports and remote initiators.
1307 # When this parameter is not set (0) Virtual Ports will accept PLOGIs from
1308 # other initiators and will attempt to PLOGI all remote ports.
1309 # When this parameter is set (1) Virtual Ports will reject PLOGIs from
1310 # remote ports and will not attempt to PLOGI to other initiators.
1311 # This parameter does not restrict to the physical port.
1312 # This parameter does not restrict logins to Fabric resident remote ports.
1313 # Default value of this parameter is 1.
1314 */
1315 static int lpfc_restrict_login = 1;
1316 module_param(lpfc_restrict_login, int, 0);
1317 MODULE_PARM_DESC(lpfc_restrict_login,
1318 "Restrict virtual ports login to remote initiators.");
1319 lpfc_vport_param_show(restrict_login);
1320
1321 static int
1322 lpfc_restrict_login_init(struct lpfc_vport *vport, int val)
1323 {
1324 if (val < 0 || val > 1) {
1325 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
1326 "0449 lpfc_restrict_login attribute cannot "
1327 "be set to %d, allowed range is [0, 1]\n",
1328 val);
1329 vport->cfg_restrict_login = 1;
1330 return -EINVAL;
1331 }
1332 if (vport->port_type == LPFC_PHYSICAL_PORT) {
1333 vport->cfg_restrict_login = 0;
1334 return 0;
1335 }
1336 vport->cfg_restrict_login = val;
1337 return 0;
1338 }
1339
1340 static int
1341 lpfc_restrict_login_set(struct lpfc_vport *vport, int val)
1342 {
1343 if (val < 0 || val > 1) {
1344 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
1345 "0450 lpfc_restrict_login attribute cannot "
1346 "be set to %d, allowed range is [0, 1]\n",
1347 val);
1348 vport->cfg_restrict_login = 1;
1349 return -EINVAL;
1350 }
1351 if (vport->port_type == LPFC_PHYSICAL_PORT && val != 0) {
1352 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
1353 "0468 lpfc_restrict_login must be 0 for "
1354 "Physical ports.\n");
1355 vport->cfg_restrict_login = 0;
1356 return 0;
1357 }
1358 vport->cfg_restrict_login = val;
1359 return 0;
1360 }
1361 lpfc_vport_param_store(restrict_login);
1362 static CLASS_DEVICE_ATTR(lpfc_restrict_login, S_IRUGO | S_IWUSR,
1363 lpfc_restrict_login_show, lpfc_restrict_login_store);
1364
1365 /*
1366 # Some disk devices have a "select ID" or "select Target" capability.
1367 # From a protocol standpoint "select ID" usually means select the
1368 # Fibre channel "ALPA". In the FC-AL Profile there is an "informative
1369 # annex" which contains a table that maps a "select ID" (a number
1370 # between 0 and 7F) to an ALPA. By default, for compatibility with
1371 # older drivers, the lpfc driver scans this table from low ALPA to high
1372 # ALPA.
1373 #
1374 # Turning on the scan-down variable (on = 1, off = 0) will
1375 # cause the lpfc driver to use an inverted table, effectively
1376 # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1.
1377 #
1378 # (Note: This "select ID" functionality is a LOOP ONLY characteristic
1379 # and will not work across a fabric. Also this parameter will take
1380 # effect only in the case when ALPA map is not available.)
1381 */
1382 LPFC_VPORT_ATTR_R(scan_down, 1, 0, 1,
1383 "Start scanning for devices from highest ALPA to lowest");
1384
1385 /*
1386 # lpfc_topology: link topology for init link
1387 # 0x0 = attempt loop mode then point-to-point
1388 # 0x01 = internal loopback mode
1389 # 0x02 = attempt point-to-point mode only
1390 # 0x04 = attempt loop mode only
1391 # 0x06 = attempt point-to-point mode then loop
1392 # Set point-to-point mode if you want to run as an N_Port.
1393 # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6].
1394 # Default value is 0.
1395 */
1396 LPFC_ATTR_RW(topology, 0, 0, 6, "Select Fibre Channel topology");
1397
1398 /*
1399 # lpfc_link_speed: Link speed selection for initializing the Fibre Channel
1400 # connection.
1401 # 0 = auto select (default)
1402 # 1 = 1 Gigabaud
1403 # 2 = 2 Gigabaud
1404 # 4 = 4 Gigabaud
1405 # 8 = 8 Gigabaud
1406 # Value range is [0,8]. Default value is 0.
1407 */
1408 LPFC_ATTR_R(link_speed, 0, 0, 8, "Select link speed");
1409
1410 /*
1411 # lpfc_fcp_class: Determines FC class to use for the FCP protocol.
1412 # Value range is [2,3]. Default value is 3.
1413 */
1414 LPFC_VPORT_ATTR_R(fcp_class, 3, 2, 3,
1415 "Select Fibre Channel class of service for FCP sequences");
1416
1417 /*
1418 # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range
1419 # is [0,1]. Default value is 0.
1420 */
1421 LPFC_VPORT_ATTR_RW(use_adisc, 0, 0, 1,
1422 "Use ADISC on rediscovery to authenticate FCP devices");
1423
1424 /*
1425 # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value
1426 # range is [0,1]. Default value is 0.
1427 */
1428 LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support");
1429
1430 /*
1431 # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing
1432 # cr_delay (msec) or cr_count outstanding commands. cr_delay can take
1433 # value [0,63]. cr_count can take value [1,255]. Default value of cr_delay
1434 # is 0. Default value of cr_count is 1. The cr_count feature is disabled if
1435 # cr_delay is set to 0.
1436 */
1437 LPFC_ATTR_RW(cr_delay, 0, 0, 63, "A count of milliseconds after which an "
1438 "interrupt response is generated");
1439
1440 LPFC_ATTR_RW(cr_count, 1, 1, 255, "A count of I/O completions after which an "
1441 "interrupt response is generated");
1442
1443 /*
1444 # lpfc_multi_ring_support: Determines how many rings to spread available
1445 # cmd/rsp IOCB entries across.
1446 # Value range is [1,2]. Default value is 1.
1447 */
1448 LPFC_ATTR_R(multi_ring_support, 1, 1, 2, "Determines number of primary "
1449 "SLI rings to spread IOCB entries across");
1450
1451 /*
1452 # lpfc_multi_ring_rctl: If lpfc_multi_ring_support is enabled, this
1453 # identifies what rctl value to configure the additional ring for.
1454 # Value range is [1,0xff]. Default value is 4 (Unsolicated Data).
1455 */
1456 LPFC_ATTR_R(multi_ring_rctl, FC_UNSOL_DATA, 1,
1457 255, "Identifies RCTL for additional ring configuration");
1458
1459 /*
1460 # lpfc_multi_ring_type: If lpfc_multi_ring_support is enabled, this
1461 # identifies what type value to configure the additional ring for.
1462 # Value range is [1,0xff]. Default value is 5 (LLC/SNAP).
1463 */
1464 LPFC_ATTR_R(multi_ring_type, FC_LLC_SNAP, 1,
1465 255, "Identifies TYPE for additional ring configuration");
1466
1467 /*
1468 # lpfc_fdmi_on: controls FDMI support.
1469 # 0 = no FDMI support
1470 # 1 = support FDMI without attribute of hostname
1471 # 2 = support FDMI with attribute of hostname
1472 # Value range [0,2]. Default value is 0.
1473 */
1474 LPFC_VPORT_ATTR_RW(fdmi_on, 0, 0, 2, "Enable FDMI support");
1475
1476 /*
1477 # Specifies the maximum number of ELS cmds we can have outstanding (for
1478 # discovery). Value range is [1,64]. Default value = 32.
1479 */
1480 LPFC_VPORT_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands "
1481 "during discovery");
1482
1483 /*
1484 # lpfc_max_luns: maximum allowed LUN.
1485 # Value range is [0,65535]. Default value is 255.
1486 # NOTE: The SCSI layer might probe all allowed LUN on some old targets.
1487 */
1488 LPFC_VPORT_ATTR_R(max_luns, 255, 0, 65535, "Maximum allowed LUN");
1489
1490 /*
1491 # lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring.
1492 # Value range is [1,255], default value is 10.
1493 */
1494 LPFC_ATTR_RW(poll_tmo, 10, 1, 255,
1495 "Milliseconds driver will wait between polling FCP ring");
1496
1497 /*
1498 # lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that
1499 # support this feature
1500 # 0 = MSI disabled (default)
1501 # 1 = MSI enabled
1502 # Value range is [0,1]. Default value is 0.
1503 */
1504 LPFC_ATTR_R(use_msi, 0, 0, 1, "Use Message Signaled Interrupts, if possible");
1505
1506
1507
1508 struct class_device_attribute *lpfc_hba_attrs[] = {
1509 &class_device_attr_info,
1510 &class_device_attr_serialnum,
1511 &class_device_attr_modeldesc,
1512 &class_device_attr_modelname,
1513 &class_device_attr_programtype,
1514 &class_device_attr_portnum,
1515 &class_device_attr_fwrev,
1516 &class_device_attr_hdw,
1517 &class_device_attr_option_rom_version,
1518 &class_device_attr_state,
1519 &class_device_attr_num_discovered_ports,
1520 &class_device_attr_lpfc_drvr_version,
1521 &class_device_attr_lpfc_temp_sensor,
1522 &class_device_attr_lpfc_log_verbose,
1523 &class_device_attr_lpfc_lun_queue_depth,
1524 &class_device_attr_lpfc_hba_queue_depth,
1525 &class_device_attr_lpfc_peer_port_login,
1526 &class_device_attr_lpfc_nodev_tmo,
1527 &class_device_attr_lpfc_devloss_tmo,
1528 &class_device_attr_lpfc_fcp_class,
1529 &class_device_attr_lpfc_use_adisc,
1530 &class_device_attr_lpfc_ack0,
1531 &class_device_attr_lpfc_topology,
1532 &class_device_attr_lpfc_scan_down,
1533 &class_device_attr_lpfc_link_speed,
1534 &class_device_attr_lpfc_cr_delay,
1535 &class_device_attr_lpfc_cr_count,
1536 &class_device_attr_lpfc_multi_ring_support,
1537 &class_device_attr_lpfc_multi_ring_rctl,
1538 &class_device_attr_lpfc_multi_ring_type,
1539 &class_device_attr_lpfc_fdmi_on,
1540 &class_device_attr_lpfc_max_luns,
1541 &class_device_attr_lpfc_enable_npiv,
1542 &class_device_attr_nport_evt_cnt,
1543 &class_device_attr_board_mode,
1544 &class_device_attr_max_vpi,
1545 &class_device_attr_used_vpi,
1546 &class_device_attr_max_rpi,
1547 &class_device_attr_used_rpi,
1548 &class_device_attr_max_xri,
1549 &class_device_attr_used_xri,
1550 &class_device_attr_npiv_info,
1551 &class_device_attr_issue_reset,
1552 &class_device_attr_lpfc_poll,
1553 &class_device_attr_lpfc_poll_tmo,
1554 &class_device_attr_lpfc_use_msi,
1555 &class_device_attr_lpfc_soft_wwnn,
1556 &class_device_attr_lpfc_soft_wwpn,
1557 &class_device_attr_lpfc_soft_wwn_enable,
1558 NULL,
1559 };
1560
1561 struct class_device_attribute *lpfc_vport_attrs[] = {
1562 &class_device_attr_info,
1563 &class_device_attr_state,
1564 &class_device_attr_num_discovered_ports,
1565 &class_device_attr_lpfc_drvr_version,
1566
1567 &class_device_attr_lpfc_log_verbose,
1568 &class_device_attr_lpfc_lun_queue_depth,
1569 &class_device_attr_lpfc_nodev_tmo,
1570 &class_device_attr_lpfc_devloss_tmo,
1571 &class_device_attr_lpfc_hba_queue_depth,
1572 &class_device_attr_lpfc_peer_port_login,
1573 &class_device_attr_lpfc_restrict_login,
1574 &class_device_attr_lpfc_fcp_class,
1575 &class_device_attr_lpfc_use_adisc,
1576 &class_device_attr_lpfc_fdmi_on,
1577 &class_device_attr_lpfc_max_luns,
1578 &class_device_attr_nport_evt_cnt,
1579 &class_device_attr_npiv_info,
1580 &class_device_attr_lpfc_enable_da_id,
1581 NULL,
1582 };
1583
1584 static ssize_t
1585 sysfs_ctlreg_write(struct kobject *kobj, struct bin_attribute *bin_attr,
1586 char *buf, loff_t off, size_t count)
1587 {
1588 size_t buf_off;
1589 struct class_device *cdev = container_of(kobj, struct class_device,
1590 kobj);
1591 struct Scsi_Host *shost = class_to_shost(cdev);
1592 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1593 struct lpfc_hba *phba = vport->phba;
1594
1595 if ((off + count) > FF_REG_AREA_SIZE)
1596 return -ERANGE;
1597
1598 if (count == 0) return 0;
1599
1600 if (off % 4 || count % 4 || (unsigned long)buf % 4)
1601 return -EINVAL;
1602
1603 if (!(vport->fc_flag & FC_OFFLINE_MODE)) {
1604 return -EPERM;
1605 }
1606
1607 spin_lock_irq(&phba->hbalock);
1608 for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t))
1609 writel(*((uint32_t *)(buf + buf_off)),
1610 phba->ctrl_regs_memmap_p + off + buf_off);
1611
1612 spin_unlock_irq(&phba->hbalock);
1613
1614 return count;
1615 }
1616
1617 static ssize_t
1618 sysfs_ctlreg_read(struct kobject *kobj, struct bin_attribute *bin_attr,
1619 char *buf, loff_t off, size_t count)
1620 {
1621 size_t buf_off;
1622 uint32_t * tmp_ptr;
1623 struct class_device *cdev = container_of(kobj, struct class_device,
1624 kobj);
1625 struct Scsi_Host *shost = class_to_shost(cdev);
1626 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1627 struct lpfc_hba *phba = vport->phba;
1628
1629 if (off > FF_REG_AREA_SIZE)
1630 return -ERANGE;
1631
1632 if ((off + count) > FF_REG_AREA_SIZE)
1633 count = FF_REG_AREA_SIZE - off;
1634
1635 if (count == 0) return 0;
1636
1637 if (off % 4 || count % 4 || (unsigned long)buf % 4)
1638 return -EINVAL;
1639
1640 spin_lock_irq(&phba->hbalock);
1641
1642 for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) {
1643 tmp_ptr = (uint32_t *)(buf + buf_off);
1644 *tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off);
1645 }
1646
1647 spin_unlock_irq(&phba->hbalock);
1648
1649 return count;
1650 }
1651
1652 static struct bin_attribute sysfs_ctlreg_attr = {
1653 .attr = {
1654 .name = "ctlreg",
1655 .mode = S_IRUSR | S_IWUSR,
1656 },
1657 .size = 256,
1658 .read = sysfs_ctlreg_read,
1659 .write = sysfs_ctlreg_write,
1660 };
1661
1662
1663 static void
1664 sysfs_mbox_idle(struct lpfc_hba *phba)
1665 {
1666 phba->sysfs_mbox.state = SMBOX_IDLE;
1667 phba->sysfs_mbox.offset = 0;
1668
1669 if (phba->sysfs_mbox.mbox) {
1670 mempool_free(phba->sysfs_mbox.mbox,
1671 phba->mbox_mem_pool);
1672 phba->sysfs_mbox.mbox = NULL;
1673 }
1674 }
1675
1676 static ssize_t
1677 sysfs_mbox_write(struct kobject *kobj, struct bin_attribute *bin_attr,
1678 char *buf, loff_t off, size_t count)
1679 {
1680 struct class_device *cdev = container_of(kobj, struct class_device,
1681 kobj);
1682 struct Scsi_Host *shost = class_to_shost(cdev);
1683 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1684 struct lpfc_hba *phba = vport->phba;
1685 struct lpfcMboxq *mbox = NULL;
1686
1687 if ((count + off) > MAILBOX_CMD_SIZE)
1688 return -ERANGE;
1689
1690 if (off % 4 || count % 4 || (unsigned long)buf % 4)
1691 return -EINVAL;
1692
1693 if (count == 0)
1694 return 0;
1695
1696 if (off == 0) {
1697 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
1698 if (!mbox)
1699 return -ENOMEM;
1700 memset(mbox, 0, sizeof (LPFC_MBOXQ_t));
1701 }
1702
1703 spin_lock_irq(&phba->hbalock);
1704
1705 if (off == 0) {
1706 if (phba->sysfs_mbox.mbox)
1707 mempool_free(mbox, phba->mbox_mem_pool);
1708 else
1709 phba->sysfs_mbox.mbox = mbox;
1710 phba->sysfs_mbox.state = SMBOX_WRITING;
1711 } else {
1712 if (phba->sysfs_mbox.state != SMBOX_WRITING ||
1713 phba->sysfs_mbox.offset != off ||
1714 phba->sysfs_mbox.mbox == NULL) {
1715 sysfs_mbox_idle(phba);
1716 spin_unlock_irq(&phba->hbalock);
1717 return -EAGAIN;
1718 }
1719 }
1720
1721 memcpy((uint8_t *) & phba->sysfs_mbox.mbox->mb + off,
1722 buf, count);
1723
1724 phba->sysfs_mbox.offset = off + count;
1725
1726 spin_unlock_irq(&phba->hbalock);
1727
1728 return count;
1729 }
1730
1731 static ssize_t
1732 sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr,
1733 char *buf, loff_t off, size_t count)
1734 {
1735 struct class_device *cdev = container_of(kobj, struct class_device,
1736 kobj);
1737 struct Scsi_Host *shost = class_to_shost(cdev);
1738 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1739 struct lpfc_hba *phba = vport->phba;
1740 int rc;
1741
1742 if (off > MAILBOX_CMD_SIZE)
1743 return -ERANGE;
1744
1745 if ((count + off) > MAILBOX_CMD_SIZE)
1746 count = MAILBOX_CMD_SIZE - off;
1747
1748 if (off % 4 || count % 4 || (unsigned long)buf % 4)
1749 return -EINVAL;
1750
1751 if (off && count == 0)
1752 return 0;
1753
1754 spin_lock_irq(&phba->hbalock);
1755
1756 if (off == 0 &&
1757 phba->sysfs_mbox.state == SMBOX_WRITING &&
1758 phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) {
1759
1760 switch (phba->sysfs_mbox.mbox->mb.mbxCommand) {
1761 /* Offline only */
1762 case MBX_WRITE_NV:
1763 case MBX_INIT_LINK:
1764 case MBX_DOWN_LINK:
1765 case MBX_CONFIG_LINK:
1766 case MBX_CONFIG_RING:
1767 case MBX_RESET_RING:
1768 case MBX_UNREG_LOGIN:
1769 case MBX_CLEAR_LA:
1770 case MBX_DUMP_CONTEXT:
1771 case MBX_RUN_DIAGS:
1772 case MBX_RESTART:
1773 case MBX_FLASH_WR_ULA:
1774 case MBX_SET_MASK:
1775 case MBX_SET_SLIM:
1776 case MBX_SET_DEBUG:
1777 if (!(vport->fc_flag & FC_OFFLINE_MODE)) {
1778 printk(KERN_WARNING "mbox_read:Command 0x%x "
1779 "is illegal in on-line state\n",
1780 phba->sysfs_mbox.mbox->mb.mbxCommand);
1781 sysfs_mbox_idle(phba);
1782 spin_unlock_irq(&phba->hbalock);
1783 return -EPERM;
1784 }
1785 case MBX_LOAD_SM:
1786 case MBX_READ_NV:
1787 case MBX_READ_CONFIG:
1788 case MBX_READ_RCONFIG:
1789 case MBX_READ_STATUS:
1790 case MBX_READ_XRI:
1791 case MBX_READ_REV:
1792 case MBX_READ_LNK_STAT:
1793 case MBX_DUMP_MEMORY:
1794 case MBX_DOWN_LOAD:
1795 case MBX_UPDATE_CFG:
1796 case MBX_KILL_BOARD:
1797 case MBX_LOAD_AREA:
1798 case MBX_LOAD_EXP_ROM:
1799 case MBX_BEACON:
1800 case MBX_DEL_LD_ENTRY:
1801 break;
1802 case MBX_READ_SPARM64:
1803 case MBX_READ_LA:
1804 case MBX_READ_LA64:
1805 case MBX_REG_LOGIN:
1806 case MBX_REG_LOGIN64:
1807 case MBX_CONFIG_PORT:
1808 case MBX_RUN_BIU_DIAG:
1809 printk(KERN_WARNING "mbox_read: Illegal Command 0x%x\n",
1810 phba->sysfs_mbox.mbox->mb.mbxCommand);
1811 sysfs_mbox_idle(phba);
1812 spin_unlock_irq(&phba->hbalock);
1813 return -EPERM;
1814 default:
1815 printk(KERN_WARNING "mbox_read: Unknown Command 0x%x\n",
1816 phba->sysfs_mbox.mbox->mb.mbxCommand);
1817 sysfs_mbox_idle(phba);
1818 spin_unlock_irq(&phba->hbalock);
1819 return -EPERM;
1820 }
1821
1822 phba->sysfs_mbox.mbox->vport = vport;
1823
1824 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) {
1825 sysfs_mbox_idle(phba);
1826 spin_unlock_irq(&phba->hbalock);
1827 return -EAGAIN;
1828 }
1829
1830 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
1831 (!(phba->sli.sli_flag & LPFC_SLI2_ACTIVE))){
1832
1833 spin_unlock_irq(&phba->hbalock);
1834 rc = lpfc_sli_issue_mbox (phba,
1835 phba->sysfs_mbox.mbox,
1836 MBX_POLL);
1837 spin_lock_irq(&phba->hbalock);
1838
1839 } else {
1840 spin_unlock_irq(&phba->hbalock);
1841 rc = lpfc_sli_issue_mbox_wait (phba,
1842 phba->sysfs_mbox.mbox,
1843 lpfc_mbox_tmo_val(phba,
1844 phba->sysfs_mbox.mbox->mb.mbxCommand) * HZ);
1845 spin_lock_irq(&phba->hbalock);
1846 }
1847
1848 if (rc != MBX_SUCCESS) {
1849 if (rc == MBX_TIMEOUT) {
1850 phba->sysfs_mbox.mbox = NULL;
1851 }
1852 sysfs_mbox_idle(phba);
1853 spin_unlock_irq(&phba->hbalock);
1854 return (rc == MBX_TIMEOUT) ? -ETIME : -ENODEV;
1855 }
1856 phba->sysfs_mbox.state = SMBOX_READING;
1857 }
1858 else if (phba->sysfs_mbox.offset != off ||
1859 phba->sysfs_mbox.state != SMBOX_READING) {
1860 printk(KERN_WARNING "mbox_read: Bad State\n");
1861 sysfs_mbox_idle(phba);
1862 spin_unlock_irq(&phba->hbalock);
1863 return -EAGAIN;
1864 }
1865
1866 memcpy(buf, (uint8_t *) & phba->sysfs_mbox.mbox->mb + off, count);
1867
1868 phba->sysfs_mbox.offset = off + count;
1869
1870 if (phba->sysfs_mbox.offset == MAILBOX_CMD_SIZE)
1871 sysfs_mbox_idle(phba);
1872
1873 spin_unlock_irq(&phba->hbalock);
1874
1875 return count;
1876 }
1877
1878 static struct bin_attribute sysfs_mbox_attr = {
1879 .attr = {
1880 .name = "mbox",
1881 .mode = S_IRUSR | S_IWUSR,
1882 },
1883 .size = MAILBOX_CMD_SIZE,
1884 .read = sysfs_mbox_read,
1885 .write = sysfs_mbox_write,
1886 };
1887
1888 int
1889 lpfc_alloc_sysfs_attr(struct lpfc_vport *vport)
1890 {
1891 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1892 int error;
1893
1894 error = sysfs_create_bin_file(&shost->shost_classdev.kobj,
1895 &sysfs_ctlreg_attr);
1896 if (error)
1897 goto out;
1898
1899 error = sysfs_create_bin_file(&shost->shost_classdev.kobj,
1900 &sysfs_mbox_attr);
1901 if (error)
1902 goto out_remove_ctlreg_attr;
1903
1904 return 0;
1905 out_remove_ctlreg_attr:
1906 sysfs_remove_bin_file(&shost->shost_classdev.kobj, &sysfs_ctlreg_attr);
1907 out:
1908 return error;
1909 }
1910
1911 void
1912 lpfc_free_sysfs_attr(struct lpfc_vport *vport)
1913 {
1914 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1915
1916 sysfs_remove_bin_file(&shost->shost_classdev.kobj, &sysfs_mbox_attr);
1917 sysfs_remove_bin_file(&shost->shost_classdev.kobj, &sysfs_ctlreg_attr);
1918 }
1919
1920
1921 /*
1922 * Dynamic FC Host Attributes Support
1923 */
1924
1925 static void
1926 lpfc_get_host_port_id(struct Scsi_Host *shost)
1927 {
1928 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1929
1930 /* note: fc_myDID already in cpu endianness */
1931 fc_host_port_id(shost) = vport->fc_myDID;
1932 }
1933
1934 static void
1935 lpfc_get_host_port_type(struct Scsi_Host *shost)
1936 {
1937 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1938 struct lpfc_hba *phba = vport->phba;
1939
1940 spin_lock_irq(shost->host_lock);
1941
1942 if (vport->port_type == LPFC_NPIV_PORT) {
1943 fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
1944 } else if (lpfc_is_link_up(phba)) {
1945 if (phba->fc_topology == TOPOLOGY_LOOP) {
1946 if (vport->fc_flag & FC_PUBLIC_LOOP)
1947 fc_host_port_type(shost) = FC_PORTTYPE_NLPORT;
1948 else
1949 fc_host_port_type(shost) = FC_PORTTYPE_LPORT;
1950 } else {
1951 if (vport->fc_flag & FC_FABRIC)
1952 fc_host_port_type(shost) = FC_PORTTYPE_NPORT;
1953 else
1954 fc_host_port_type(shost) = FC_PORTTYPE_PTP;
1955 }
1956 } else
1957 fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN;
1958
1959 spin_unlock_irq(shost->host_lock);
1960 }
1961
1962 static void
1963 lpfc_get_host_port_state(struct Scsi_Host *shost)
1964 {
1965 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1966 struct lpfc_hba *phba = vport->phba;
1967
1968 spin_lock_irq(shost->host_lock);
1969
1970 if (vport->fc_flag & FC_OFFLINE_MODE)
1971 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
1972 else {
1973 switch (phba->link_state) {
1974 case LPFC_LINK_UNKNOWN:
1975 case LPFC_LINK_DOWN:
1976 fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
1977 break;
1978 case LPFC_LINK_UP:
1979 case LPFC_CLEAR_LA:
1980 case LPFC_HBA_READY:
1981 /* Links up, beyond this port_type reports state */
1982 fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
1983 break;
1984 case LPFC_HBA_ERROR:
1985 fc_host_port_state(shost) = FC_PORTSTATE_ERROR;
1986 break;
1987 default:
1988 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
1989 break;
1990 }
1991 }
1992
1993 spin_unlock_irq(shost->host_lock);
1994 }
1995
1996 static void
1997 lpfc_get_host_speed(struct Scsi_Host *shost)
1998 {
1999 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2000 struct lpfc_hba *phba = vport->phba;
2001
2002 spin_lock_irq(shost->host_lock);
2003
2004 if (lpfc_is_link_up(phba)) {
2005 switch(phba->fc_linkspeed) {
2006 case LA_1GHZ_LINK:
2007 fc_host_speed(shost) = FC_PORTSPEED_1GBIT;
2008 break;
2009 case LA_2GHZ_LINK:
2010 fc_host_speed(shost) = FC_PORTSPEED_2GBIT;
2011 break;
2012 case LA_4GHZ_LINK:
2013 fc_host_speed(shost) = FC_PORTSPEED_4GBIT;
2014 break;
2015 case LA_8GHZ_LINK:
2016 fc_host_speed(shost) = FC_PORTSPEED_8GBIT;
2017 break;
2018 default:
2019 fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
2020 break;
2021 }
2022 }
2023
2024 spin_unlock_irq(shost->host_lock);
2025 }
2026
2027 static void
2028 lpfc_get_host_fabric_name (struct Scsi_Host *shost)
2029 {
2030 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2031 struct lpfc_hba *phba = vport->phba;
2032 u64 node_name;
2033
2034 spin_lock_irq(shost->host_lock);
2035
2036 if ((vport->fc_flag & FC_FABRIC) ||
2037 ((phba->fc_topology == TOPOLOGY_LOOP) &&
2038 (vport->fc_flag & FC_PUBLIC_LOOP)))
2039 node_name = wwn_to_u64(phba->fc_fabparam.nodeName.u.wwn);
2040 else
2041 /* fabric is local port if there is no F/FL_Port */
2042 node_name = wwn_to_u64(vport->fc_nodename.u.wwn);
2043
2044 spin_unlock_irq(shost->host_lock);
2045
2046 fc_host_fabric_name(shost) = node_name;
2047 }
2048
2049 static struct fc_host_statistics *
2050 lpfc_get_stats(struct Scsi_Host *shost)
2051 {
2052 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2053 struct lpfc_hba *phba = vport->phba;
2054 struct lpfc_sli *psli = &phba->sli;
2055 struct fc_host_statistics *hs = &phba->link_stats;
2056 struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets;
2057 LPFC_MBOXQ_t *pmboxq;
2058 MAILBOX_t *pmb;
2059 unsigned long seconds;
2060 int rc = 0;
2061
2062 /*
2063 * prevent udev from issuing mailbox commands until the port is
2064 * configured.
2065 */
2066 if (phba->link_state < LPFC_LINK_DOWN ||
2067 !phba->mbox_mem_pool ||
2068 (phba->sli.sli_flag & LPFC_SLI2_ACTIVE) == 0)
2069 return NULL;
2070
2071 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)
2072 return NULL;
2073
2074 pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
2075 if (!pmboxq)
2076 return NULL;
2077 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
2078
2079 pmb = &pmboxq->mb;
2080 pmb->mbxCommand = MBX_READ_STATUS;
2081 pmb->mbxOwner = OWN_HOST;
2082 pmboxq->context1 = NULL;
2083 pmboxq->vport = vport;
2084
2085 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
2086 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
2087 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
2088 else
2089 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
2090
2091 if (rc != MBX_SUCCESS) {
2092 if (rc != MBX_TIMEOUT)
2093 mempool_free(pmboxq, phba->mbox_mem_pool);
2094 return NULL;
2095 }
2096
2097 memset(hs, 0, sizeof (struct fc_host_statistics));
2098
2099 hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt;
2100 hs->tx_words = (pmb->un.varRdStatus.xmitByteCnt * 256);
2101 hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt;
2102 hs->rx_words = (pmb->un.varRdStatus.rcvByteCnt * 256);
2103
2104 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
2105 pmb->mbxCommand = MBX_READ_LNK_STAT;
2106 pmb->mbxOwner = OWN_HOST;
2107 pmboxq->context1 = NULL;
2108 pmboxq->vport = vport;
2109
2110 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
2111 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
2112 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
2113 else
2114 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
2115
2116 if (rc != MBX_SUCCESS) {
2117 if (rc != MBX_TIMEOUT)
2118 mempool_free(pmboxq, phba->mbox_mem_pool);
2119 return NULL;
2120 }
2121
2122 hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
2123 hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
2124 hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
2125 hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
2126 hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
2127 hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
2128 hs->error_frames = pmb->un.varRdLnk.crcCnt;
2129
2130 hs->link_failure_count -= lso->link_failure_count;
2131 hs->loss_of_sync_count -= lso->loss_of_sync_count;
2132 hs->loss_of_signal_count -= lso->loss_of_signal_count;
2133 hs->prim_seq_protocol_err_count -= lso->prim_seq_protocol_err_count;
2134 hs->invalid_tx_word_count -= lso->invalid_tx_word_count;
2135 hs->invalid_crc_count -= lso->invalid_crc_count;
2136 hs->error_frames -= lso->error_frames;
2137
2138 if (phba->fc_topology == TOPOLOGY_LOOP) {
2139 hs->lip_count = (phba->fc_eventTag >> 1);
2140 hs->lip_count -= lso->link_events;
2141 hs->nos_count = -1;
2142 } else {
2143 hs->lip_count = -1;
2144 hs->nos_count = (phba->fc_eventTag >> 1);
2145 hs->nos_count -= lso->link_events;
2146 }
2147
2148 hs->dumped_frames = -1;
2149
2150 seconds = get_seconds();
2151 if (seconds < psli->stats_start)
2152 hs->seconds_since_last_reset = seconds +
2153 ((unsigned long)-1 - psli->stats_start);
2154 else
2155 hs->seconds_since_last_reset = seconds - psli->stats_start;
2156
2157 mempool_free(pmboxq, phba->mbox_mem_pool);
2158
2159 return hs;
2160 }
2161
2162 static void
2163 lpfc_reset_stats(struct Scsi_Host *shost)
2164 {
2165 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2166 struct lpfc_hba *phba = vport->phba;
2167 struct lpfc_sli *psli = &phba->sli;
2168 struct lpfc_lnk_stat *lso = &psli->lnk_stat_offsets;
2169 LPFC_MBOXQ_t *pmboxq;
2170 MAILBOX_t *pmb;
2171 int rc = 0;
2172
2173 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)
2174 return;
2175
2176 pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
2177 if (!pmboxq)
2178 return;
2179 memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
2180
2181 pmb = &pmboxq->mb;
2182 pmb->mbxCommand = MBX_READ_STATUS;
2183 pmb->mbxOwner = OWN_HOST;
2184 pmb->un.varWords[0] = 0x1; /* reset request */
2185 pmboxq->context1 = NULL;
2186 pmboxq->vport = vport;
2187
2188 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
2189 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
2190 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
2191 else
2192 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
2193
2194 if (rc != MBX_SUCCESS) {
2195 if (rc != MBX_TIMEOUT)
2196 mempool_free(pmboxq, phba->mbox_mem_pool);
2197 return;
2198 }
2199
2200 memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
2201 pmb->mbxCommand = MBX_READ_LNK_STAT;
2202 pmb->mbxOwner = OWN_HOST;
2203 pmboxq->context1 = NULL;
2204 pmboxq->vport = vport;
2205
2206 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
2207 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
2208 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
2209 else
2210 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
2211
2212 if (rc != MBX_SUCCESS) {
2213 if (rc != MBX_TIMEOUT)
2214 mempool_free( pmboxq, phba->mbox_mem_pool);
2215 return;
2216 }
2217
2218 lso->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
2219 lso->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
2220 lso->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
2221 lso->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
2222 lso->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
2223 lso->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
2224 lso->error_frames = pmb->un.varRdLnk.crcCnt;
2225 lso->link_events = (phba->fc_eventTag >> 1);
2226
2227 psli->stats_start = get_seconds();
2228
2229 mempool_free(pmboxq, phba->mbox_mem_pool);
2230
2231 return;
2232 }
2233
2234 /*
2235 * The LPFC driver treats linkdown handling as target loss events so there
2236 * are no sysfs handlers for link_down_tmo.
2237 */
2238
2239 static struct lpfc_nodelist *
2240 lpfc_get_node_by_target(struct scsi_target *starget)
2241 {
2242 struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
2243 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2244 struct lpfc_nodelist *ndlp;
2245
2246 spin_lock_irq(shost->host_lock);
2247 /* Search for this, mapped, target ID */
2248 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
2249 if (ndlp->nlp_state == NLP_STE_MAPPED_NODE &&
2250 starget->id == ndlp->nlp_sid) {
2251 spin_unlock_irq(shost->host_lock);
2252 return ndlp;
2253 }
2254 }
2255 spin_unlock_irq(shost->host_lock);
2256 return NULL;
2257 }
2258
2259 static void
2260 lpfc_get_starget_port_id(struct scsi_target *starget)
2261 {
2262 struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
2263
2264 fc_starget_port_id(starget) = ndlp ? ndlp->nlp_DID : -1;
2265 }
2266
2267 static void
2268 lpfc_get_starget_node_name(struct scsi_target *starget)
2269 {
2270 struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
2271
2272 fc_starget_node_name(starget) =
2273 ndlp ? wwn_to_u64(ndlp->nlp_nodename.u.wwn) : 0;
2274 }
2275
2276 static void
2277 lpfc_get_starget_port_name(struct scsi_target *starget)
2278 {
2279 struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
2280
2281 fc_starget_port_name(starget) =
2282 ndlp ? wwn_to_u64(ndlp->nlp_portname.u.wwn) : 0;
2283 }
2284
2285 static void
2286 lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
2287 {
2288 if (timeout)
2289 rport->dev_loss_tmo = timeout;
2290 else
2291 rport->dev_loss_tmo = 1;
2292 }
2293
2294
2295 #define lpfc_rport_show_function(field, format_string, sz, cast) \
2296 static ssize_t \
2297 lpfc_show_rport_##field (struct class_device *cdev, char *buf) \
2298 { \
2299 struct fc_rport *rport = transport_class_to_rport(cdev); \
2300 struct lpfc_rport_data *rdata = rport->hostdata; \
2301 return snprintf(buf, sz, format_string, \
2302 (rdata->target) ? cast rdata->target->field : 0); \
2303 }
2304
2305 #define lpfc_rport_rd_attr(field, format_string, sz) \
2306 lpfc_rport_show_function(field, format_string, sz, ) \
2307 static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL)
2308
2309
2310 struct fc_function_template lpfc_transport_functions = {
2311 /* fixed attributes the driver supports */
2312 .show_host_node_name = 1,
2313 .show_host_port_name = 1,
2314 .show_host_supported_classes = 1,
2315 .show_host_supported_fc4s = 1,
2316 .show_host_supported_speeds = 1,
2317 .show_host_maxframe_size = 1,
2318
2319 /* dynamic attributes the driver supports */
2320 .get_host_port_id = lpfc_get_host_port_id,
2321 .show_host_port_id = 1,
2322
2323 .get_host_port_type = lpfc_get_host_port_type,
2324 .show_host_port_type = 1,
2325
2326 .get_host_port_state = lpfc_get_host_port_state,
2327 .show_host_port_state = 1,
2328
2329 /* active_fc4s is shown but doesn't change (thus no get function) */
2330 .show_host_active_fc4s = 1,
2331
2332 .get_host_speed = lpfc_get_host_speed,
2333 .show_host_speed = 1,
2334
2335 .get_host_fabric_name = lpfc_get_host_fabric_name,
2336 .show_host_fabric_name = 1,
2337
2338 /*
2339 * The LPFC driver treats linkdown handling as target loss events
2340 * so there are no sysfs handlers for link_down_tmo.
2341 */
2342
2343 .get_fc_host_stats = lpfc_get_stats,
2344 .reset_fc_host_stats = lpfc_reset_stats,
2345
2346 .dd_fcrport_size = sizeof(struct lpfc_rport_data),
2347 .show_rport_maxframe_size = 1,
2348 .show_rport_supported_classes = 1,
2349
2350 .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
2351 .show_rport_dev_loss_tmo = 1,
2352
2353 .get_starget_port_id = lpfc_get_starget_port_id,
2354 .show_starget_port_id = 1,
2355
2356 .get_starget_node_name = lpfc_get_starget_node_name,
2357 .show_starget_node_name = 1,
2358
2359 .get_starget_port_name = lpfc_get_starget_port_name,
2360 .show_starget_port_name = 1,
2361
2362 .issue_fc_host_lip = lpfc_issue_lip,
2363 .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk,
2364 .terminate_rport_io = lpfc_terminate_rport_io,
2365
2366 .dd_fcvport_size = sizeof(struct lpfc_vport *),
2367 };
2368
2369 struct fc_function_template lpfc_vport_transport_functions = {
2370 /* fixed attributes the driver supports */
2371 .show_host_node_name = 1,
2372 .show_host_port_name = 1,
2373 .show_host_supported_classes = 1,
2374 .show_host_supported_fc4s = 1,
2375 .show_host_supported_speeds = 1,
2376 .show_host_maxframe_size = 1,
2377
2378 /* dynamic attributes the driver supports */
2379 .get_host_port_id = lpfc_get_host_port_id,
2380 .show_host_port_id = 1,
2381
2382 .get_host_port_type = lpfc_get_host_port_type,
2383 .show_host_port_type = 1,
2384
2385 .get_host_port_state = lpfc_get_host_port_state,
2386 .show_host_port_state = 1,
2387
2388 /* active_fc4s is shown but doesn't change (thus no get function) */
2389 .show_host_active_fc4s = 1,
2390
2391 .get_host_speed = lpfc_get_host_speed,
2392 .show_host_speed = 1,
2393
2394 .get_host_fabric_name = lpfc_get_host_fabric_name,
2395 .show_host_fabric_name = 1,
2396
2397 /*
2398 * The LPFC driver treats linkdown handling as target loss events
2399 * so there are no sysfs handlers for link_down_tmo.
2400 */
2401
2402 .get_fc_host_stats = lpfc_get_stats,
2403 .reset_fc_host_stats = lpfc_reset_stats,
2404
2405 .dd_fcrport_size = sizeof(struct lpfc_rport_data),
2406 .show_rport_maxframe_size = 1,
2407 .show_rport_supported_classes = 1,
2408
2409 .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
2410 .show_rport_dev_loss_tmo = 1,
2411
2412 .get_starget_port_id = lpfc_get_starget_port_id,
2413 .show_starget_port_id = 1,
2414
2415 .get_starget_node_name = lpfc_get_starget_node_name,
2416 .show_starget_node_name = 1,
2417
2418 .get_starget_port_name = lpfc_get_starget_port_name,
2419 .show_starget_port_name = 1,
2420
2421 .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk,
2422 .terminate_rport_io = lpfc_terminate_rport_io,
2423
2424 .vport_disable = lpfc_vport_disable,
2425 };
2426
2427 void
2428 lpfc_get_cfgparam(struct lpfc_hba *phba)
2429 {
2430 lpfc_cr_delay_init(phba, lpfc_cr_delay);
2431 lpfc_cr_count_init(phba, lpfc_cr_count);
2432 lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support);
2433 lpfc_multi_ring_rctl_init(phba, lpfc_multi_ring_rctl);
2434 lpfc_multi_ring_type_init(phba, lpfc_multi_ring_type);
2435 lpfc_ack0_init(phba, lpfc_ack0);
2436 lpfc_topology_init(phba, lpfc_topology);
2437 lpfc_link_speed_init(phba, lpfc_link_speed);
2438 lpfc_poll_tmo_init(phba, lpfc_poll_tmo);
2439 lpfc_enable_npiv_init(phba, lpfc_enable_npiv);
2440 lpfc_use_msi_init(phba, lpfc_use_msi);
2441 phba->cfg_poll = lpfc_poll;
2442 phba->cfg_soft_wwnn = 0L;
2443 phba->cfg_soft_wwpn = 0L;
2444 /*
2445 * The total number of segments is the configuration value plus 2
2446 * since the IOCB need a command and response bde.
2447 */
2448 phba->cfg_sg_seg_cnt = LPFC_SG_SEG_CNT + 2;
2449 /*
2450 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
2451 * used to create the sg_dma_buf_pool must be dynamically calculated
2452 */
2453 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
2454 sizeof(struct fcp_rsp) +
2455 (phba->cfg_sg_seg_cnt * sizeof(struct ulp_bde64));
2456 lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth);
2457 return;
2458 }
2459
2460 void
2461 lpfc_get_vport_cfgparam(struct lpfc_vport *vport)
2462 {
2463 lpfc_log_verbose_init(vport, lpfc_log_verbose);
2464 lpfc_lun_queue_depth_init(vport, lpfc_lun_queue_depth);
2465 lpfc_devloss_tmo_init(vport, lpfc_devloss_tmo);
2466 lpfc_nodev_tmo_init(vport, lpfc_nodev_tmo);
2467 lpfc_peer_port_login_init(vport, lpfc_peer_port_login);
2468 lpfc_restrict_login_init(vport, lpfc_restrict_login);
2469 lpfc_fcp_class_init(vport, lpfc_fcp_class);
2470 lpfc_use_adisc_init(vport, lpfc_use_adisc);
2471 lpfc_fdmi_on_init(vport, lpfc_fdmi_on);
2472 lpfc_discovery_threads_init(vport, lpfc_discovery_threads);
2473 lpfc_max_luns_init(vport, lpfc_max_luns);
2474 lpfc_scan_down_init(vport, lpfc_scan_down);
2475 lpfc_enable_da_id_init(vport, lpfc_enable_da_id);
2476 return;
2477 }
Linux kernel - Deliverables
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