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[SCSI] lpfc 8.2.2 : Attribute and Parameter splits for vport and physical port
[GitHub/mt8127/android_kernel_alcatel_ttab.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 management_version_show(struct class_device *cdev, char *buf)
72 {
73 return snprintf(buf, PAGE_SIZE, DFC_API_VERSION "\n");
74 }
75
76 static ssize_t
77 lpfc_info_show(struct class_device *cdev, char *buf)
78 {
79 struct Scsi_Host *host = class_to_shost(cdev);
80
81 return snprintf(buf, PAGE_SIZE, "%s\n",lpfc_info(host));
82 }
83
84 static ssize_t
85 lpfc_serialnum_show(struct class_device *cdev, char *buf)
86 {
87 struct Scsi_Host *shost = class_to_shost(cdev);
88 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
89 struct lpfc_hba *phba = vport->phba;
90
91 return snprintf(buf, PAGE_SIZE, "%s\n",phba->SerialNumber);
92 }
93
94 static ssize_t
95 lpfc_modeldesc_show(struct class_device *cdev, char *buf)
96 {
97 struct Scsi_Host *shost = class_to_shost(cdev);
98 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
99 struct lpfc_hba *phba = vport->phba;
100
101 return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelDesc);
102 }
103
104 static ssize_t
105 lpfc_modelname_show(struct class_device *cdev, char *buf)
106 {
107 struct Scsi_Host *shost = class_to_shost(cdev);
108 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
109 struct lpfc_hba *phba = vport->phba;
110
111 return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelName);
112 }
113
114 static ssize_t
115 lpfc_programtype_show(struct class_device *cdev, char *buf)
116 {
117 struct Scsi_Host *shost = class_to_shost(cdev);
118 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
119 struct lpfc_hba *phba = vport->phba;
120
121 return snprintf(buf, PAGE_SIZE, "%s\n",phba->ProgramType);
122 }
123
124 static ssize_t
125 lpfc_vportnum_show(struct class_device *cdev, char *buf)
126 {
127 struct Scsi_Host *shost = class_to_shost(cdev);
128 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
129 struct lpfc_hba *phba = vport->phba;
130
131 return snprintf(buf, PAGE_SIZE, "%s\n",phba->Port);
132 }
133
134 static ssize_t
135 lpfc_fwrev_show(struct class_device *cdev, char *buf)
136 {
137 struct Scsi_Host *shost = class_to_shost(cdev);
138 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
139 struct lpfc_hba *phba = vport->phba;
140 char fwrev[32];
141
142 lpfc_decode_firmware_rev(phba, fwrev, 1);
143 return snprintf(buf, PAGE_SIZE, "%s, sli-%d\n", fwrev, phba->sli_rev);
144 }
145
146 static ssize_t
147 lpfc_hdw_show(struct class_device *cdev, char *buf)
148 {
149 char hdw[9];
150 struct Scsi_Host *shost = class_to_shost(cdev);
151 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
152 struct lpfc_hba *phba = vport->phba;
153 lpfc_vpd_t *vp = &phba->vpd;
154
155 lpfc_jedec_to_ascii(vp->rev.biuRev, hdw);
156 return snprintf(buf, PAGE_SIZE, "%s\n", hdw);
157 }
158 static ssize_t
159 lpfc_option_rom_version_show(struct class_device *cdev, char *buf)
160 {
161 struct Scsi_Host *shost = class_to_shost(cdev);
162 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
163 struct lpfc_hba *phba = vport->phba;
164
165 return snprintf(buf, PAGE_SIZE, "%s\n", phba->OptionROMVersion);
166 }
167 static ssize_t
168 lpfc_state_show(struct class_device *cdev, char *buf)
169 {
170 struct Scsi_Host *shost = class_to_shost(cdev);
171 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
172 struct lpfc_hba *phba = vport->phba;
173 int len = 0;
174
175 switch (phba->link_state) {
176 case LPFC_LINK_UNKNOWN:
177 case LPFC_WARM_START:
178 case LPFC_INIT_START:
179 case LPFC_INIT_MBX_CMDS:
180 case LPFC_LINK_DOWN:
181 case LPFC_HBA_ERROR:
182 len += snprintf(buf + len, PAGE_SIZE-len, "Link Down\n");
183 break;
184 case LPFC_LINK_UP:
185 case LPFC_CLEAR_LA:
186 case LPFC_HBA_READY:
187 len += snprintf(buf + len, PAGE_SIZE-len, "Link Up - \n");
188
189 switch (vport->port_state) {
190 len += snprintf(buf + len, PAGE_SIZE-len,
191 "initializing\n");
192 break;
193 case LPFC_LOCAL_CFG_LINK:
194 len += snprintf(buf + len, PAGE_SIZE-len,
195 "Configuring Link\n");
196 break;
197 case LPFC_FDISC:
198 case LPFC_FLOGI:
199 case LPFC_FABRIC_CFG_LINK:
200 case LPFC_NS_REG:
201 case LPFC_NS_QRY:
202 case LPFC_BUILD_DISC_LIST:
203 case LPFC_DISC_AUTH:
204 len += snprintf(buf + len, PAGE_SIZE - len,
205 "Discovery\n");
206 break;
207 case LPFC_VPORT_READY:
208 len += snprintf(buf + len, PAGE_SIZE - len, "Ready\n");
209 break;
210
211 case LPFC_VPORT_FAILED:
212 len += snprintf(buf + len, PAGE_SIZE - len, "Failed\n");
213 break;
214
215 case LPFC_VPORT_UNKNOWN:
216 len += snprintf(buf + len, PAGE_SIZE - len,
217 "Unknown\n");
218 break;
219 }
220
221 if (phba->fc_topology == TOPOLOGY_LOOP) {
222 if (vport->fc_flag & FC_PUBLIC_LOOP)
223 len += snprintf(buf + len, PAGE_SIZE-len,
224 " Public Loop\n");
225 else
226 len += snprintf(buf + len, PAGE_SIZE-len,
227 " Private Loop\n");
228 } else {
229 if (vport->fc_flag & FC_FABRIC)
230 len += snprintf(buf + len, PAGE_SIZE-len,
231 " Fabric\n");
232 else
233 len += snprintf(buf + len, PAGE_SIZE-len,
234 " Point-2-Point\n");
235 }
236 }
237
238 return len;
239 }
240
241 static ssize_t
242 lpfc_num_discovered_ports_show(struct class_device *cdev, char *buf)
243 {
244 struct Scsi_Host *shost = class_to_shost(cdev);
245 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
246
247 return snprintf(buf, PAGE_SIZE, "%d\n",
248 vport->fc_map_cnt + vport->fc_unmap_cnt);
249 }
250
251
252 static int
253 lpfc_issue_lip(struct Scsi_Host *shost)
254 {
255 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
256 struct lpfc_hba *phba = vport->phba;
257 LPFC_MBOXQ_t *pmboxq;
258 int mbxstatus = MBXERR_ERROR;
259
260 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
261 (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) ||
262 (vport->port_state != LPFC_VPORT_READY))
263 return -EPERM;
264
265 pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
266
267 if (!pmboxq)
268 return -ENOMEM;
269
270 memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
271 pmboxq->mb.mbxCommand = MBX_DOWN_LINK;
272 pmboxq->mb.mbxOwner = OWN_HOST;
273
274 mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO * 2);
275
276 if ((mbxstatus == MBX_SUCCESS) && (pmboxq->mb.mbxStatus == 0)) {
277 memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
278 lpfc_init_link(phba, pmboxq, phba->cfg_topology,
279 phba->cfg_link_speed);
280 mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq,
281 phba->fc_ratov * 2);
282 }
283
284 lpfc_set_loopback_flag(phba);
285 if (mbxstatus != MBX_TIMEOUT)
286 mempool_free(pmboxq, phba->mbox_mem_pool);
287
288 if (mbxstatus == MBXERR_ERROR)
289 return -EIO;
290
291 return 0;
292 }
293
294 static int
295 lpfc_do_offline(struct lpfc_hba *phba, uint32_t type)
296 {
297 struct completion online_compl;
298 struct lpfc_sli_ring *pring;
299 struct lpfc_sli *psli;
300 int status = 0;
301 int cnt = 0;
302 int i;
303
304 init_completion(&online_compl);
305 lpfc_workq_post_event(phba, &status, &online_compl,
306 LPFC_EVT_OFFLINE_PREP);
307 wait_for_completion(&online_compl);
308
309 if (status != 0)
310 return -EIO;
311
312 psli = &phba->sli;
313
314 for (i = 0; i < psli->num_rings; i++) {
315 pring = &psli->ring[i];
316 /* The linkdown event takes 30 seconds to timeout. */
317 while (pring->txcmplq_cnt) {
318 msleep(10);
319 if (cnt++ > 3000) {
320 lpfc_printf_log(phba,
321 KERN_WARNING, LOG_INIT,
322 "%d:0466 Outstanding IO when "
323 "bringing Adapter offline\n",
324 phba->brd_no);
325 break;
326 }
327 }
328 }
329
330 init_completion(&online_compl);
331 lpfc_workq_post_event(phba, &status, &online_compl, type);
332 wait_for_completion(&online_compl);
333
334 if (status != 0)
335 return -EIO;
336
337 return 0;
338 }
339
340 static int
341 lpfc_selective_reset(struct lpfc_hba *phba)
342 {
343 struct completion online_compl;
344 int status = 0;
345
346 status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
347
348 if (status != 0)
349 return status;
350
351 init_completion(&online_compl);
352 lpfc_workq_post_event(phba, &status, &online_compl,
353 LPFC_EVT_ONLINE);
354 wait_for_completion(&online_compl);
355
356 if (status != 0)
357 return -EIO;
358
359 return 0;
360 }
361
362 static ssize_t
363 lpfc_issue_reset(struct class_device *cdev, const char *buf, size_t count)
364 {
365 struct Scsi_Host *shost = class_to_shost(cdev);
366 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
367 struct lpfc_hba *phba = vport->phba;
368
369 int status = -EINVAL;
370
371 if (strncmp(buf, "selective", sizeof("selective") - 1) == 0)
372 status = lpfc_selective_reset(phba);
373
374 if (status == 0)
375 return strlen(buf);
376 else
377 return status;
378 }
379
380 static ssize_t
381 lpfc_nport_evt_cnt_show(struct class_device *cdev, char *buf)
382 {
383 struct Scsi_Host *shost = class_to_shost(cdev);
384 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
385 struct lpfc_hba *phba = vport->phba;
386
387 return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt);
388 }
389
390 static ssize_t
391 lpfc_board_mode_show(struct class_device *cdev, char *buf)
392 {
393 struct Scsi_Host *shost = class_to_shost(cdev);
394 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
395 struct lpfc_hba *phba = vport->phba;
396 char * state;
397
398 if (phba->link_state == LPFC_HBA_ERROR)
399 state = "error";
400 else if (phba->link_state == LPFC_WARM_START)
401 state = "warm start";
402 else if (phba->link_state == LPFC_INIT_START)
403 state = "offline";
404 else
405 state = "online";
406
407 return snprintf(buf, PAGE_SIZE, "%s\n", state);
408 }
409
410 static ssize_t
411 lpfc_board_mode_store(struct class_device *cdev, const char *buf, size_t count)
412 {
413 struct Scsi_Host *shost = class_to_shost(cdev);
414 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
415 struct lpfc_hba *phba = vport->phba;
416 struct completion online_compl;
417 int status=0;
418
419 init_completion(&online_compl);
420
421 if(strncmp(buf, "online", sizeof("online") - 1) == 0) {
422 lpfc_workq_post_event(phba, &status, &online_compl,
423 LPFC_EVT_ONLINE);
424 wait_for_completion(&online_compl);
425 } else if (strncmp(buf, "offline", sizeof("offline") - 1) == 0)
426 status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
427 else if (strncmp(buf, "warm", sizeof("warm") - 1) == 0)
428 status = lpfc_do_offline(phba, LPFC_EVT_WARM_START);
429 else if (strncmp(buf, "error", sizeof("error") - 1) == 0)
430 status = lpfc_do_offline(phba, LPFC_EVT_KILL);
431 else
432 return -EINVAL;
433
434 if (!status)
435 return strlen(buf);
436 else
437 return -EIO;
438 }
439
440 int
441 lpfc_get_hba_info(struct lpfc_hba *phba,
442 uint32_t *mxri, uint32_t *axri,
443 uint32_t *mrpi, uint32_t *arpi,
444 uint32_t *mvpi, uint32_t *avpi)
445 {
446 struct lpfc_sli *psli = &phba->sli;
447 LPFC_MBOXQ_t *pmboxq;
448 MAILBOX_t *pmb;
449 int rc = 0;
450
451 /*
452 * prevent udev from issuing mailbox commands until the port is
453 * configured.
454 */
455 if (phba->link_state < LPFC_LINK_DOWN ||
456 !phba->mbox_mem_pool ||
457 (phba->sli.sli_flag & LPFC_SLI2_ACTIVE) == 0)
458 return 0;
459
460 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)
461 return 0;
462
463 pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
464 if (!pmboxq)
465 return 0;
466 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
467
468 pmb = &pmboxq->mb;
469 pmb->mbxCommand = MBX_READ_CONFIG;
470 pmb->mbxOwner = OWN_HOST;
471 pmboxq->context1 = NULL;
472
473 if ((phba->pport->fc_flag & FC_OFFLINE_MODE) ||
474 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
475 rc = MBX_NOT_FINISHED;
476 else
477 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
478
479 if (rc != MBX_SUCCESS) {
480 if (rc != MBX_TIMEOUT)
481 mempool_free(pmboxq, phba->mbox_mem_pool);
482 return 0;
483 }
484
485 if (mrpi)
486 *mrpi = pmb->un.varRdConfig.max_rpi;
487 if (arpi)
488 *arpi = pmb->un.varRdConfig.avail_rpi;
489 if (mxri)
490 *mxri = pmb->un.varRdConfig.max_xri;
491 if (axri)
492 *axri = pmb->un.varRdConfig.avail_xri;
493 if (mvpi)
494 *mvpi = pmb->un.varRdConfig.max_vpi;
495 if (avpi)
496 *avpi = pmb->un.varRdConfig.avail_vpi;
497
498 mempool_free(pmboxq, phba->mbox_mem_pool);
499 return 1;
500 }
501
502 static ssize_t
503 lpfc_max_rpi_show(struct class_device *cdev, char *buf)
504 {
505 struct Scsi_Host *shost = class_to_shost(cdev);
506 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
507 struct lpfc_hba *phba = vport->phba;
508 uint32_t cnt;
509
510 if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, NULL, NULL, NULL))
511 return snprintf(buf, PAGE_SIZE, "%d\n", cnt);
512 return snprintf(buf, PAGE_SIZE, "Unknown\n");
513 }
514
515 static ssize_t
516 lpfc_used_rpi_show(struct class_device *cdev, char *buf)
517 {
518 struct Scsi_Host *shost = class_to_shost(cdev);
519 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
520 struct lpfc_hba *phba = vport->phba;
521 uint32_t cnt, acnt;
522
523 if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, &acnt, NULL, NULL))
524 return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt));
525 return snprintf(buf, PAGE_SIZE, "Unknown\n");
526 }
527
528 static ssize_t
529 lpfc_max_xri_show(struct class_device *cdev, char *buf)
530 {
531 struct Scsi_Host *shost = class_to_shost(cdev);
532 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
533 struct lpfc_hba *phba = vport->phba;
534 uint32_t cnt;
535
536 if (lpfc_get_hba_info(phba, &cnt, NULL, NULL, NULL, NULL, NULL))
537 return snprintf(buf, PAGE_SIZE, "%d\n", cnt);
538 return snprintf(buf, PAGE_SIZE, "Unknown\n");
539 }
540
541 static ssize_t
542 lpfc_used_xri_show(struct class_device *cdev, char *buf)
543 {
544 struct Scsi_Host *shost = class_to_shost(cdev);
545 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
546 struct lpfc_hba *phba = vport->phba;
547 uint32_t cnt, acnt;
548
549 if (lpfc_get_hba_info(phba, &cnt, &acnt, NULL, NULL, NULL, NULL))
550 return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt));
551 return snprintf(buf, PAGE_SIZE, "Unknown\n");
552 }
553
554 static ssize_t
555 lpfc_max_vpi_show(struct class_device *cdev, char *buf)
556 {
557 struct Scsi_Host *shost = class_to_shost(cdev);
558 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
559 struct lpfc_hba *phba = vport->phba;
560 uint32_t cnt;
561
562 if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, NULL))
563 return snprintf(buf, PAGE_SIZE, "%d\n", cnt);
564 return snprintf(buf, PAGE_SIZE, "Unknown\n");
565 }
566
567 static ssize_t
568 lpfc_used_vpi_show(struct class_device *cdev, char *buf)
569 {
570 struct Scsi_Host *shost = class_to_shost(cdev);
571 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
572 struct lpfc_hba *phba = vport->phba;
573 uint32_t cnt, acnt;
574
575 if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, &acnt))
576 return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt));
577 return snprintf(buf, PAGE_SIZE, "Unknown\n");
578 }
579
580 static ssize_t
581 lpfc_npiv_info_show(struct class_device *cdev, char *buf)
582 {
583 struct Scsi_Host *shost = class_to_shost(cdev);
584 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
585 struct lpfc_hba *phba = vport->phba;
586
587 if (!(phba->max_vpi))
588 return snprintf(buf, PAGE_SIZE, "NPIV Not Supported\n");
589 if (vport->port_type == LPFC_PHYSICAL_PORT)
590 return snprintf(buf, PAGE_SIZE, "NPIV Physical\n");
591 return snprintf(buf, PAGE_SIZE, "NPIV Virtual (VPI %d)\n", vport->vpi);
592 }
593
594 static ssize_t
595 lpfc_poll_show(struct class_device *cdev, char *buf)
596 {
597 struct Scsi_Host *shost = class_to_shost(cdev);
598 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
599 struct lpfc_hba *phba = vport->phba;
600
601 return snprintf(buf, PAGE_SIZE, "%#x\n", phba->cfg_poll);
602 }
603
604 static ssize_t
605 lpfc_poll_store(struct class_device *cdev, const char *buf,
606 size_t count)
607 {
608 struct Scsi_Host *shost = class_to_shost(cdev);
609 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
610 struct lpfc_hba *phba = vport->phba;
611 uint32_t creg_val;
612 uint32_t old_val;
613 int val=0;
614
615 if (!isdigit(buf[0]))
616 return -EINVAL;
617
618 if (sscanf(buf, "%i", &val) != 1)
619 return -EINVAL;
620
621 if ((val & 0x3) != val)
622 return -EINVAL;
623
624 spin_lock_irq(&phba->hbalock);
625
626 old_val = phba->cfg_poll;
627
628 if (val & ENABLE_FCP_RING_POLLING) {
629 if ((val & DISABLE_FCP_RING_INT) &&
630 !(old_val & DISABLE_FCP_RING_INT)) {
631 creg_val = readl(phba->HCregaddr);
632 creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
633 writel(creg_val, phba->HCregaddr);
634 readl(phba->HCregaddr); /* flush */
635
636 lpfc_poll_start_timer(phba);
637 }
638 } else if (val != 0x0) {
639 spin_unlock_irq(&phba->hbalock);
640 return -EINVAL;
641 }
642
643 if (!(val & DISABLE_FCP_RING_INT) &&
644 (old_val & DISABLE_FCP_RING_INT))
645 {
646 spin_unlock_irq(&phba->hbalock);
647 del_timer(&phba->fcp_poll_timer);
648 spin_lock_irq(&phba->hbalock);
649 creg_val = readl(phba->HCregaddr);
650 creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING);
651 writel(creg_val, phba->HCregaddr);
652 readl(phba->HCregaddr); /* flush */
653 }
654
655 phba->cfg_poll = val;
656
657 spin_unlock_irq(&phba->hbalock);
658
659 return strlen(buf);
660 }
661
662 #define lpfc_param_show(attr) \
663 static ssize_t \
664 lpfc_##attr##_show(struct class_device *cdev, char *buf) \
665 { \
666 struct Scsi_Host *shost = class_to_shost(cdev);\
667 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
668 struct lpfc_hba *phba = vport->phba;\
669 int val = 0;\
670 val = phba->cfg_##attr;\
671 return snprintf(buf, PAGE_SIZE, "%d\n",\
672 phba->cfg_##attr);\
673 }
674
675 #define lpfc_param_hex_show(attr) \
676 static ssize_t \
677 lpfc_##attr##_show(struct class_device *cdev, char *buf) \
678 { \
679 struct Scsi_Host *shost = class_to_shost(cdev);\
680 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
681 struct lpfc_hba *phba = vport->phba;\
682 int val = 0;\
683 val = phba->cfg_##attr;\
684 return snprintf(buf, PAGE_SIZE, "%#x\n",\
685 phba->cfg_##attr);\
686 }
687
688 #define lpfc_param_init(attr, default, minval, maxval) \
689 static int \
690 lpfc_##attr##_init(struct lpfc_hba *phba, int val) \
691 { \
692 if (val >= minval && val <= maxval) {\
693 phba->cfg_##attr = val;\
694 return 0;\
695 }\
696 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
697 "%d:0449 lpfc_"#attr" attribute cannot be set to %d, "\
698 "allowed range is ["#minval", "#maxval"]\n", \
699 phba->brd_no, val); \
700 phba->cfg_##attr = default;\
701 return -EINVAL;\
702 }
703
704 #define lpfc_param_set(attr, default, minval, maxval) \
705 static int \
706 lpfc_##attr##_set(struct lpfc_hba *phba, int val) \
707 { \
708 if (val >= minval && val <= maxval) {\
709 phba->cfg_##attr = val;\
710 return 0;\
711 }\
712 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
713 "%d:0450 lpfc_"#attr" attribute cannot be set to %d, "\
714 "allowed range is ["#minval", "#maxval"]\n", \
715 phba->brd_no, 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_log(vport->phba, KERN_ERR, LOG_INIT, \
768 "%d:0449 lpfc_"#attr" attribute cannot be set to %d, "\
769 "allowed range is ["#minval", "#maxval"]\n", \
770 vport->phba->brd_no, val); \
771 vport->cfg_##attr = default;\
772 return -EINVAL;\
773 }
774
775 #define lpfc_vport_param_set(attr, default, minval, maxval) \
776 static int \
777 lpfc_##attr##_set(struct lpfc_vport *vport, int val) \
778 { \
779 if (val >= minval && val <= maxval) {\
780 vport->cfg_##attr = val;\
781 return 0;\
782 }\
783 lpfc_printf_log(vport->phba, KERN_ERR, LOG_INIT, \
784 "%d:0450 lpfc_"#attr" attribute cannot be set to %d, "\
785 "allowed range is ["#minval", "#maxval"]\n", \
786 vport->phba->brd_no, val); \
787 return -EINVAL;\
788 }
789
790 #define lpfc_vport_param_store(attr) \
791 static ssize_t \
792 lpfc_##attr##_store(struct class_device *cdev, const char *buf, size_t count) \
793 { \
794 struct Scsi_Host *shost = class_to_shost(cdev);\
795 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
796 int val=0;\
797 if (!isdigit(buf[0]))\
798 return -EINVAL;\
799 if (sscanf(buf, "%i", &val) != 1)\
800 return -EINVAL;\
801 if (lpfc_##attr##_set(vport, val) == 0) \
802 return strlen(buf);\
803 else \
804 return -EINVAL;\
805 }
806
807
808 #define LPFC_ATTR(name, defval, minval, maxval, desc) \
809 static int lpfc_##name = defval;\
810 module_param(lpfc_##name, int, 0);\
811 MODULE_PARM_DESC(lpfc_##name, desc);\
812 lpfc_param_init(name, defval, minval, maxval)
813
814 #define LPFC_ATTR_R(name, defval, minval, maxval, desc) \
815 static int lpfc_##name = defval;\
816 module_param(lpfc_##name, int, 0);\
817 MODULE_PARM_DESC(lpfc_##name, desc);\
818 lpfc_param_show(name)\
819 lpfc_param_init(name, defval, minval, maxval)\
820 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
821
822 #define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \
823 static int lpfc_##name = defval;\
824 module_param(lpfc_##name, int, 0);\
825 MODULE_PARM_DESC(lpfc_##name, desc);\
826 lpfc_param_show(name)\
827 lpfc_param_init(name, defval, minval, maxval)\
828 lpfc_param_set(name, defval, minval, maxval)\
829 lpfc_param_store(name)\
830 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
831 lpfc_##name##_show, lpfc_##name##_store)
832
833 #define LPFC_ATTR_HEX_R(name, defval, minval, maxval, desc) \
834 static int lpfc_##name = defval;\
835 module_param(lpfc_##name, int, 0);\
836 MODULE_PARM_DESC(lpfc_##name, desc);\
837 lpfc_param_hex_show(name)\
838 lpfc_param_init(name, defval, minval, maxval)\
839 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
840
841 #define LPFC_ATTR_HEX_RW(name, defval, minval, maxval, desc) \
842 static int lpfc_##name = defval;\
843 module_param(lpfc_##name, int, 0);\
844 MODULE_PARM_DESC(lpfc_##name, desc);\
845 lpfc_param_hex_show(name)\
846 lpfc_param_init(name, defval, minval, maxval)\
847 lpfc_param_set(name, defval, minval, maxval)\
848 lpfc_param_store(name)\
849 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
850 lpfc_##name##_show, lpfc_##name##_store)
851
852 #define LPFC_VPORT_ATTR(name, defval, minval, maxval, desc) \
853 static int lpfc_##name = defval;\
854 module_param(lpfc_##name, int, 0);\
855 MODULE_PARM_DESC(lpfc_##name, desc);\
856 lpfc_vport_param_init(name, defval, minval, maxval)
857
858 #define LPFC_VPORT_ATTR_R(name, defval, minval, maxval, desc) \
859 static int lpfc_##name = defval;\
860 module_param(lpfc_##name, int, 0);\
861 MODULE_PARM_DESC(lpfc_##name, desc);\
862 lpfc_vport_param_show(name)\
863 lpfc_vport_param_init(name, defval, minval, maxval)\
864 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
865
866 #define LPFC_VPORT_ATTR_RW(name, defval, minval, maxval, desc) \
867 static int lpfc_##name = defval;\
868 module_param(lpfc_##name, int, 0);\
869 MODULE_PARM_DESC(lpfc_##name, desc);\
870 lpfc_vport_param_show(name)\
871 lpfc_vport_param_init(name, defval, minval, maxval)\
872 lpfc_vport_param_set(name, defval, minval, maxval)\
873 lpfc_vport_param_store(name)\
874 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
875 lpfc_##name##_show, lpfc_##name##_store)
876
877 #define LPFC_VPORT_ATTR_HEX_R(name, defval, minval, maxval, desc) \
878 static int lpfc_##name = defval;\
879 module_param(lpfc_##name, int, 0);\
880 MODULE_PARM_DESC(lpfc_##name, desc);\
881 lpfc_vport_param_hex_show(name)\
882 lpfc_vport_param_init(name, defval, minval, maxval)\
883 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
884
885 #define LPFC_VPORT_ATTR_HEX_RW(name, defval, minval, maxval, desc) \
886 static int lpfc_##name = defval;\
887 module_param(lpfc_##name, int, 0);\
888 MODULE_PARM_DESC(lpfc_##name, desc);\
889 lpfc_vport_param_hex_show(name)\
890 lpfc_vport_param_init(name, defval, minval, maxval)\
891 lpfc_vport_param_set(name, defval, minval, maxval)\
892 lpfc_vport_param_store(name)\
893 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
894 lpfc_##name##_show, lpfc_##name##_store)
895
896 static CLASS_DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL);
897 static CLASS_DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL);
898 static CLASS_DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL);
899 static CLASS_DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL);
900 static CLASS_DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL);
901 static CLASS_DEVICE_ATTR(portnum, S_IRUGO, lpfc_vportnum_show, NULL);
902 static CLASS_DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL);
903 static CLASS_DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL);
904 static CLASS_DEVICE_ATTR(state, S_IRUGO, lpfc_state_show, NULL);
905 static CLASS_DEVICE_ATTR(option_rom_version, S_IRUGO,
906 lpfc_option_rom_version_show, NULL);
907 static CLASS_DEVICE_ATTR(num_discovered_ports, S_IRUGO,
908 lpfc_num_discovered_ports_show, NULL);
909 static CLASS_DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL);
910 static CLASS_DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show,
911 NULL);
912 static CLASS_DEVICE_ATTR(management_version, S_IRUGO, management_version_show,
913 NULL);
914 static CLASS_DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR,
915 lpfc_board_mode_show, lpfc_board_mode_store);
916 static CLASS_DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset);
917 static CLASS_DEVICE_ATTR(max_vpi, S_IRUGO, lpfc_max_vpi_show, NULL);
918 static CLASS_DEVICE_ATTR(used_vpi, S_IRUGO, lpfc_used_vpi_show, NULL);
919 static CLASS_DEVICE_ATTR(max_rpi, S_IRUGO, lpfc_max_rpi_show, NULL);
920 static CLASS_DEVICE_ATTR(used_rpi, S_IRUGO, lpfc_used_rpi_show, NULL);
921 static CLASS_DEVICE_ATTR(max_xri, S_IRUGO, lpfc_max_xri_show, NULL);
922 static CLASS_DEVICE_ATTR(used_xri, S_IRUGO, lpfc_used_xri_show, NULL);
923 static CLASS_DEVICE_ATTR(npiv_info, S_IRUGO, lpfc_npiv_info_show, NULL);
924
925
926 static char *lpfc_soft_wwn_key = "C99G71SL8032A";
927
928 static ssize_t
929 lpfc_soft_wwn_enable_store(struct class_device *cdev, const char *buf,
930 size_t count)
931 {
932 struct Scsi_Host *shost = class_to_shost(cdev);
933 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
934 struct lpfc_hba *phba = vport->phba;
935 unsigned int cnt = count;
936
937 /*
938 * We're doing a simple sanity check for soft_wwpn setting.
939 * We require that the user write a specific key to enable
940 * the soft_wwpn attribute to be settable. Once the attribute
941 * is written, the enable key resets. If further updates are
942 * desired, the key must be written again to re-enable the
943 * attribute.
944 *
945 * The "key" is not secret - it is a hardcoded string shown
946 * here. The intent is to protect against the random user or
947 * application that is just writing attributes.
948 */
949
950 /* count may include a LF at end of string */
951 if (buf[cnt-1] == '\n')
952 cnt--;
953
954 if ((cnt != strlen(lpfc_soft_wwn_key)) ||
955 (strncmp(buf, lpfc_soft_wwn_key, strlen(lpfc_soft_wwn_key)) != 0))
956 return -EINVAL;
957
958 phba->soft_wwn_enable = 1;
959 return count;
960 }
961 static CLASS_DEVICE_ATTR(lpfc_soft_wwn_enable, S_IWUSR, NULL,
962 lpfc_soft_wwn_enable_store);
963
964 static ssize_t
965 lpfc_soft_wwpn_show(struct class_device *cdev, char *buf)
966 {
967 struct Scsi_Host *shost = class_to_shost(cdev);
968 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
969 struct lpfc_hba *phba = vport->phba;
970
971 return snprintf(buf, PAGE_SIZE, "0x%llx\n",
972 (unsigned long long)phba->cfg_soft_wwpn);
973 }
974
975
976 static ssize_t
977 lpfc_soft_wwpn_store(struct class_device *cdev, const char *buf, size_t count)
978 {
979 struct Scsi_Host *shost = class_to_shost(cdev);
980 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
981 struct lpfc_hba *phba = vport->phba;
982 struct completion online_compl;
983 int stat1=0, stat2=0;
984 unsigned int i, j, cnt=count;
985 u8 wwpn[8];
986
987 /* count may include a LF at end of string */
988 if (buf[cnt-1] == '\n')
989 cnt--;
990
991 if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) ||
992 ((cnt == 17) && (*buf++ != 'x')) ||
993 ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x'))))
994 return -EINVAL;
995
996 phba->soft_wwn_enable = 0;
997
998 memset(wwpn, 0, sizeof(wwpn));
999
1000 /* Validate and store the new name */
1001 for (i=0, j=0; i < 16; i++) {
1002 if ((*buf >= 'a') && (*buf <= 'f'))
1003 j = ((j << 4) | ((*buf++ -'a') + 10));
1004 else if ((*buf >= 'A') && (*buf <= 'F'))
1005 j = ((j << 4) | ((*buf++ -'A') + 10));
1006 else if ((*buf >= '0') && (*buf <= '9'))
1007 j = ((j << 4) | (*buf++ -'0'));
1008 else
1009 return -EINVAL;
1010 if (i % 2) {
1011 wwpn[i/2] = j & 0xff;
1012 j = 0;
1013 }
1014 }
1015 phba->cfg_soft_wwpn = wwn_to_u64(wwpn);
1016 fc_host_port_name(shost) = phba->cfg_soft_wwpn;
1017 if (phba->cfg_soft_wwnn)
1018 fc_host_node_name(shost) = phba->cfg_soft_wwnn;
1019
1020 dev_printk(KERN_NOTICE, &phba->pcidev->dev,
1021 "lpfc%d: Reinitializing to use soft_wwpn\n", phba->brd_no);
1022
1023 stat1 = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
1024 if (stat1)
1025 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1026 "%d:0463 lpfc_soft_wwpn attribute set failed to reinit "
1027 "adapter - %d\n", phba->brd_no, stat1);
1028
1029 init_completion(&online_compl);
1030 lpfc_workq_post_event(phba, &stat2, &online_compl, LPFC_EVT_ONLINE);
1031 wait_for_completion(&online_compl);
1032 if (stat2)
1033 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1034 "%d:0464 lpfc_soft_wwpn attribute set failed to reinit "
1035 "adapter - %d\n", phba->brd_no, stat2);
1036
1037 return (stat1 || stat2) ? -EIO : count;
1038 }
1039 static CLASS_DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR,\
1040 lpfc_soft_wwpn_show, lpfc_soft_wwpn_store);
1041
1042 static ssize_t
1043 lpfc_soft_wwnn_show(struct class_device *cdev, char *buf)
1044 {
1045 struct Scsi_Host *host = class_to_shost(cdev);
1046 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
1047 return snprintf(buf, PAGE_SIZE, "0x%llx\n",
1048 (unsigned long long)phba->cfg_soft_wwnn);
1049 }
1050
1051
1052 static ssize_t
1053 lpfc_soft_wwnn_store(struct class_device *cdev, const char *buf, size_t count)
1054 {
1055 struct Scsi_Host *host = class_to_shost(cdev);
1056 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
1057 unsigned int i, j, cnt=count;
1058 u8 wwnn[8];
1059
1060 /* count may include a LF at end of string */
1061 if (buf[cnt-1] == '\n')
1062 cnt--;
1063
1064 if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) ||
1065 ((cnt == 17) && (*buf++ != 'x')) ||
1066 ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x'))))
1067 return -EINVAL;
1068
1069 /*
1070 * Allow wwnn to be set many times, as long as the enable is set.
1071 * However, once the wwpn is set, everything locks.
1072 */
1073
1074 memset(wwnn, 0, sizeof(wwnn));
1075
1076 /* Validate and store the new name */
1077 for (i=0, j=0; i < 16; i++) {
1078 if ((*buf >= 'a') && (*buf <= 'f'))
1079 j = ((j << 4) | ((*buf++ -'a') + 10));
1080 else if ((*buf >= 'A') && (*buf <= 'F'))
1081 j = ((j << 4) | ((*buf++ -'A') + 10));
1082 else if ((*buf >= '0') && (*buf <= '9'))
1083 j = ((j << 4) | (*buf++ -'0'));
1084 else
1085 return -EINVAL;
1086 if (i % 2) {
1087 wwnn[i/2] = j & 0xff;
1088 j = 0;
1089 }
1090 }
1091 phba->cfg_soft_wwnn = wwn_to_u64(wwnn);
1092
1093 dev_printk(KERN_NOTICE, &phba->pcidev->dev,
1094 "lpfc%d: soft_wwnn set. Value will take effect upon "
1095 "setting of the soft_wwpn\n", phba->brd_no);
1096
1097 return count;
1098 }
1099 static CLASS_DEVICE_ATTR(lpfc_soft_wwnn, S_IRUGO | S_IWUSR,\
1100 lpfc_soft_wwnn_show, lpfc_soft_wwnn_store);
1101
1102
1103 static int lpfc_poll = 0;
1104 module_param(lpfc_poll, int, 0);
1105 MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:"
1106 " 0 - none,"
1107 " 1 - poll with interrupts enabled"
1108 " 3 - poll and disable FCP ring interrupts");
1109
1110 static CLASS_DEVICE_ATTR(lpfc_poll, S_IRUGO | S_IWUSR,
1111 lpfc_poll_show, lpfc_poll_store);
1112
1113 int lpfc_sli_mode = 0;
1114 module_param(lpfc_sli_mode, int, 0);
1115 MODULE_PARM_DESC(lpfc_sli_mode, "SLI mode selector:"
1116 " 0 - auto (SLI-3 if supported),"
1117 " 2 - select SLI-2 even on SLI-3 capable HBAs,"
1118 " 3 - select SLI-3");
1119
1120 LPFC_ATTR_R(npiv_enable, 0, 0, 1, "Enable NPIV functionality");
1121
1122 /*
1123 # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
1124 # until the timer expires. Value range is [0,255]. Default value is 30.
1125 */
1126 static int lpfc_nodev_tmo = LPFC_DEF_DEVLOSS_TMO;
1127 static int lpfc_devloss_tmo = LPFC_DEF_DEVLOSS_TMO;
1128 module_param(lpfc_nodev_tmo, int, 0);
1129 MODULE_PARM_DESC(lpfc_nodev_tmo,
1130 "Seconds driver will hold I/O waiting "
1131 "for a device to come back");
1132 static ssize_t
1133 lpfc_nodev_tmo_show(struct class_device *cdev, char *buf)
1134 {
1135 struct Scsi_Host *shost = class_to_shost(cdev);
1136 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1137 int val = 0;
1138 val = vport->cfg_devloss_tmo;
1139 return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_devloss_tmo);
1140 }
1141
1142 static int
1143 lpfc_nodev_tmo_init(struct lpfc_vport *vport, int val)
1144 {
1145 if (vport->cfg_devloss_tmo != LPFC_DEF_DEVLOSS_TMO) {
1146 vport->cfg_nodev_tmo = vport->cfg_devloss_tmo;
1147 if (val != LPFC_DEF_DEVLOSS_TMO)
1148 lpfc_printf_log(vport->phba, KERN_ERR, LOG_INIT,
1149 "%d (%d):0402 Ignoring nodev_tmo module"
1150 " parameter because devloss_tmo is"
1151 " set.\n",
1152 vport->phba->brd_no, vport->vpi);
1153 return 0;
1154 }
1155
1156 if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
1157 vport->cfg_nodev_tmo = val;
1158 vport->cfg_devloss_tmo = val;
1159 return 0;
1160 }
1161 lpfc_printf_log(vport->phba, KERN_ERR, LOG_INIT,
1162 "%d (%d):0400 lpfc_nodev_tmo attribute cannot be set to"
1163 " %d, allowed range is [%d, %d]\n",
1164 vport->phba->brd_no, vport->vpi, val,
1165 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 lpfc_vport **vports;
1174 struct Scsi_Host *shost;
1175 struct lpfc_nodelist *ndlp;
1176 int i;
1177
1178 vports = lpfc_create_vport_work_array(vport->phba);
1179 if (vports != NULL)
1180 for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
1181 shost = lpfc_shost_from_vport(vports[i]);
1182 spin_lock_irq(shost->host_lock);
1183 list_for_each_entry(ndlp, &vports[i]->fc_nodes,
1184 nlp_listp)
1185 if (ndlp->rport)
1186 ndlp->rport->dev_loss_tmo =
1187 vport->cfg_devloss_tmo;
1188 spin_unlock_irq(shost->host_lock);
1189 }
1190 lpfc_destroy_vport_work_array(vports);
1191 }
1192
1193 static int
1194 lpfc_nodev_tmo_set(struct lpfc_vport *vport, int val)
1195 {
1196 if (vport->dev_loss_tmo_changed ||
1197 (lpfc_devloss_tmo != LPFC_DEF_DEVLOSS_TMO)) {
1198 lpfc_printf_log(vport->phba, KERN_ERR, LOG_INIT,
1199 "%d (%d):0401 Ignoring change to nodev_tmo "
1200 "because devloss_tmo is set.\n",
1201 vport->phba->brd_no, vport->vpi);
1202 return 0;
1203 }
1204 if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
1205 vport->cfg_nodev_tmo = val;
1206 vport->cfg_devloss_tmo = val;
1207 lpfc_update_rport_devloss_tmo(vport);
1208 return 0;
1209 }
1210 lpfc_printf_log(vport->phba, KERN_ERR, LOG_INIT,
1211 "%d (%d):0403 lpfc_nodev_tmo attribute cannot be set to"
1212 "%d, allowed range is [%d, %d]\n",
1213 vport->phba->brd_no, vport->vpi, val,
1214 LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO);
1215 return -EINVAL;
1216 }
1217
1218 lpfc_vport_param_store(nodev_tmo)
1219
1220 static CLASS_DEVICE_ATTR(lpfc_nodev_tmo, S_IRUGO | S_IWUSR,
1221 lpfc_nodev_tmo_show, lpfc_nodev_tmo_store);
1222
1223 /*
1224 # lpfc_devloss_tmo: If set, it will hold all I/O errors on devices that
1225 # disappear until the timer expires. Value range is [0,255]. Default
1226 # value is 30.
1227 */
1228 module_param(lpfc_devloss_tmo, int, 0);
1229 MODULE_PARM_DESC(lpfc_devloss_tmo,
1230 "Seconds driver will hold I/O waiting "
1231 "for a device to come back");
1232 lpfc_vport_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO,
1233 LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO)
1234 lpfc_vport_param_show(devloss_tmo)
1235 static int
1236 lpfc_devloss_tmo_set(struct lpfc_vport *vport, int val)
1237 {
1238 if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
1239 vport->cfg_nodev_tmo = val;
1240 vport->cfg_devloss_tmo = val;
1241 vport->dev_loss_tmo_changed = 1;
1242 lpfc_update_rport_devloss_tmo(vport);
1243 return 0;
1244 }
1245
1246 lpfc_printf_log(vport->phba, KERN_ERR, LOG_INIT,
1247 "%d:0404 lpfc_devloss_tmo attribute cannot be set to"
1248 " %d, allowed range is [%d, %d]\n",
1249 vport->phba->brd_no, val, LPFC_MIN_DEVLOSS_TMO,
1250 LPFC_MAX_DEVLOSS_TMO);
1251 return -EINVAL;
1252 }
1253
1254 lpfc_vport_param_store(devloss_tmo)
1255 static CLASS_DEVICE_ATTR(lpfc_devloss_tmo, S_IRUGO | S_IWUSR,
1256 lpfc_devloss_tmo_show, lpfc_devloss_tmo_store);
1257
1258 /*
1259 # lpfc_log_verbose: Only turn this flag on if you are willing to risk being
1260 # deluged with LOTS of information.
1261 # You can set a bit mask to record specific types of verbose messages:
1262 #
1263 # LOG_ELS 0x1 ELS events
1264 # LOG_DISCOVERY 0x2 Link discovery events
1265 # LOG_MBOX 0x4 Mailbox events
1266 # LOG_INIT 0x8 Initialization events
1267 # LOG_LINK_EVENT 0x10 Link events
1268 # LOG_FCP 0x40 FCP traffic history
1269 # LOG_NODE 0x80 Node table events
1270 # LOG_MISC 0x400 Miscellaneous events
1271 # LOG_SLI 0x800 SLI events
1272 # LOG_FCP_ERROR 0x1000 Only log FCP errors
1273 # LOG_LIBDFC 0x2000 LIBDFC events
1274 # LOG_ALL_MSG 0xffff LOG all messages
1275 */
1276 LPFC_ATTR_HEX_RW(log_verbose, 0x0, 0x0, 0xffff, "Verbose logging bit-mask");
1277
1278 /*
1279 # lun_queue_depth: This parameter is used to limit the number of outstanding
1280 # commands per FCP LUN. Value range is [1,128]. Default value is 30.
1281 */
1282 LPFC_VPORT_ATTR_R(lun_queue_depth, 30, 1, 128,
1283 "Max number of FCP commands we can queue to a specific LUN");
1284
1285 /*
1286 # hba_queue_depth: This parameter is used to limit the number of outstanding
1287 # commands per lpfc HBA. Value range is [32,8192]. If this parameter
1288 # value is greater than the maximum number of exchanges supported by the HBA,
1289 # then maximum number of exchanges supported by the HBA is used to determine
1290 # the hba_queue_depth.
1291 */
1292 LPFC_ATTR_R(hba_queue_depth, 8192, 32, 8192,
1293 "Max number of FCP commands we can queue to a lpfc HBA");
1294
1295 /*
1296 # peer_port_login: This parameter allows/prevents logins
1297 # between peer ports hosted on the same physical port.
1298 # When this parameter is set 0 peer ports of same physical port
1299 # are not allowed to login to each other.
1300 # When this parameter is set 1 peer ports of same physical port
1301 # are allowed to login to each other.
1302 # Default value of this parameter is 0.
1303 */
1304 LPFC_VPORT_ATTR_R(peer_port_login, 0, 0, 1,
1305 "Allow peer ports on the same physical port to login to each "
1306 "other.");
1307
1308 /*
1309 # restrict_login: This parameter allows/prevents logins
1310 # between Virtual Ports and remote initiators.
1311 # When this parameter is not set (0) Virtual Ports will accept PLOGIs from
1312 # other initiators and will attempt to PLOGI all remote ports.
1313 # When this parameter is set (1) Virtual Ports will reject PLOGIs from
1314 # remote ports and will not attempt to PLOGI to other initiators.
1315 # This parameter does not restrict to the physical port.
1316 # This parameter does not restrict logins to Fabric resident remote ports.
1317 # Default value of this parameter is 1.
1318 */
1319 static int lpfc_restrict_login = 1;
1320 module_param(lpfc_restrict_login, int, 0);
1321 MODULE_PARM_DESC(lpfc_restrict_login,
1322 "Restrict virtual ports login to remote initiators.");
1323 lpfc_vport_param_show(restrict_login);
1324
1325 static int
1326 lpfc_restrict_login_init(struct lpfc_vport *vport, int val)
1327 {
1328 if (val < 0 || val > 1) {
1329 lpfc_printf_log(vport->phba, KERN_ERR, LOG_INIT,
1330 "%d:0449 lpfc_restrict_login attribute cannot "
1331 "be set to %d, allowed range is [0, 1]\n",
1332 vport->phba->brd_no, val);
1333 vport->cfg_restrict_login = 1;
1334 return -EINVAL;
1335 }
1336 if (vport->port_type == LPFC_PHYSICAL_PORT) {
1337 vport->cfg_restrict_login = 0;
1338 return 0;
1339 }
1340 vport->cfg_restrict_login = val;
1341 return 0;
1342 }
1343
1344 static int
1345 lpfc_restrict_login_set(struct lpfc_vport *vport, int val)
1346 {
1347 if (val < 0 || val > 1) {
1348 lpfc_printf_log(vport->phba, KERN_ERR, LOG_INIT,
1349 "%d:0450 lpfc_restrict_login attribute cannot "
1350 "be set to %d, allowed range is [0, 1]\n",
1351 vport->phba->brd_no, val);
1352 vport->cfg_restrict_login = 1;
1353 return -EINVAL;
1354 }
1355 if (vport->port_type == LPFC_PHYSICAL_PORT && val != 0) {
1356 lpfc_printf_log(vport->phba, KERN_ERR, LOG_INIT,
1357 "%d:0468 lpfc_restrict_login must be 0 for "
1358 "Physical ports.\n",
1359 vport->phba->brd_no);
1360 vport->cfg_restrict_login = 0;
1361 return 0;
1362 }
1363 vport->cfg_restrict_login = val;
1364 return 0;
1365 }
1366 lpfc_vport_param_store(restrict_login);
1367 static CLASS_DEVICE_ATTR(lpfc_restrict_login, S_IRUGO | S_IWUSR,
1368 lpfc_restrict_login_show, lpfc_restrict_login_store);
1369
1370 /*
1371 # Some disk devices have a "select ID" or "select Target" capability.
1372 # From a protocol standpoint "select ID" usually means select the
1373 # Fibre channel "ALPA". In the FC-AL Profile there is an "informative
1374 # annex" which contains a table that maps a "select ID" (a number
1375 # between 0 and 7F) to an ALPA. By default, for compatibility with
1376 # older drivers, the lpfc driver scans this table from low ALPA to high
1377 # ALPA.
1378 #
1379 # Turning on the scan-down variable (on = 1, off = 0) will
1380 # cause the lpfc driver to use an inverted table, effectively
1381 # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1.
1382 #
1383 # (Note: This "select ID" functionality is a LOOP ONLY characteristic
1384 # and will not work across a fabric. Also this parameter will take
1385 # effect only in the case when ALPA map is not available.)
1386 */
1387 LPFC_VPORT_ATTR_R(scan_down, 1, 0, 1,
1388 "Start scanning for devices from highest ALPA to lowest");
1389
1390 /*
1391 # lpfc_topology: link topology for init link
1392 # 0x0 = attempt loop mode then point-to-point
1393 # 0x01 = internal loopback mode
1394 # 0x02 = attempt point-to-point mode only
1395 # 0x04 = attempt loop mode only
1396 # 0x06 = attempt point-to-point mode then loop
1397 # Set point-to-point mode if you want to run as an N_Port.
1398 # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6].
1399 # Default value is 0.
1400 */
1401 LPFC_ATTR_RW(topology, 0, 0, 6, "Select Fibre Channel topology");
1402
1403 /*
1404 # lpfc_link_speed: Link speed selection for initializing the Fibre Channel
1405 # connection.
1406 # 0 = auto select (default)
1407 # 1 = 1 Gigabaud
1408 # 2 = 2 Gigabaud
1409 # 4 = 4 Gigabaud
1410 # 8 = 8 Gigabaud
1411 # Value range is [0,8]. Default value is 0.
1412 */
1413 LPFC_ATTR_R(link_speed, 0, 0, 8, "Select link speed");
1414
1415 /*
1416 # lpfc_fcp_class: Determines FC class to use for the FCP protocol.
1417 # Value range is [2,3]. Default value is 3.
1418 */
1419 LPFC_VPORT_ATTR_R(fcp_class, 3, 2, 3,
1420 "Select Fibre Channel class of service for FCP sequences");
1421
1422 /*
1423 # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range
1424 # is [0,1]. Default value is 0.
1425 */
1426 LPFC_VPORT_ATTR_RW(use_adisc, 0, 0, 1,
1427 "Use ADISC on rediscovery to authenticate FCP devices");
1428
1429 /*
1430 # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value
1431 # range is [0,1]. Default value is 0.
1432 */
1433 LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support");
1434
1435 /*
1436 # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing
1437 # cr_delay (msec) or cr_count outstanding commands. cr_delay can take
1438 # value [0,63]. cr_count can take value [1,255]. Default value of cr_delay
1439 # is 0. Default value of cr_count is 1. The cr_count feature is disabled if
1440 # cr_delay is set to 0.
1441 */
1442 LPFC_ATTR_RW(cr_delay, 0, 0, 63, "A count of milliseconds after which an "
1443 "interrupt response is generated");
1444
1445 LPFC_ATTR_RW(cr_count, 1, 1, 255, "A count of I/O completions after which an "
1446 "interrupt response is generated");
1447
1448 /*
1449 # lpfc_multi_ring_support: Determines how many rings to spread available
1450 # cmd/rsp IOCB entries across.
1451 # Value range is [1,2]. Default value is 1.
1452 */
1453 LPFC_ATTR_R(multi_ring_support, 1, 1, 2, "Determines number of primary "
1454 "SLI rings to spread IOCB entries across");
1455
1456 /*
1457 # lpfc_multi_ring_rctl: If lpfc_multi_ring_support is enabled, this
1458 # identifies what rctl value to configure the additional ring for.
1459 # Value range is [1,0xff]. Default value is 4 (Unsolicated Data).
1460 */
1461 LPFC_ATTR_R(multi_ring_rctl, FC_UNSOL_DATA, 1,
1462 255, "Identifies RCTL for additional ring configuration");
1463
1464 /*
1465 # lpfc_multi_ring_type: If lpfc_multi_ring_support is enabled, this
1466 # identifies what type value to configure the additional ring for.
1467 # Value range is [1,0xff]. Default value is 5 (LLC/SNAP).
1468 */
1469 LPFC_ATTR_R(multi_ring_type, FC_LLC_SNAP, 1,
1470 255, "Identifies TYPE for additional ring configuration");
1471
1472 /*
1473 # lpfc_fdmi_on: controls FDMI support.
1474 # 0 = no FDMI support
1475 # 1 = support FDMI without attribute of hostname
1476 # 2 = support FDMI with attribute of hostname
1477 # Value range [0,2]. Default value is 0.
1478 */
1479 LPFC_VPORT_ATTR_RW(fdmi_on, 0, 0, 2, "Enable FDMI support");
1480
1481 /*
1482 # Specifies the maximum number of ELS cmds we can have outstanding (for
1483 # discovery). Value range is [1,64]. Default value = 32.
1484 */
1485 LPFC_VPORT_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands "
1486 "during discovery");
1487
1488 /*
1489 # lpfc_max_luns: maximum allowed LUN.
1490 # Value range is [0,65535]. Default value is 255.
1491 # NOTE: The SCSI layer might probe all allowed LUN on some old targets.
1492 */
1493 LPFC_VPORT_ATTR_R(max_luns, 255, 0, 65535, "Maximum allowed LUN");
1494
1495 /*
1496 # lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring.
1497 # Value range is [1,255], default value is 10.
1498 */
1499 LPFC_ATTR_RW(poll_tmo, 10, 1, 255,
1500 "Milliseconds driver will wait between polling FCP ring");
1501
1502 /*
1503 # lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that
1504 # support this feature
1505 # 0 = MSI disabled (default)
1506 # 1 = MSI enabled
1507 # Value range is [0,1]. Default value is 0.
1508 */
1509 LPFC_ATTR_R(use_msi, 0, 0, 1, "Use Message Signaled Interrupts, if possible");
1510
1511
1512
1513 struct class_device_attribute *lpfc_hba_attrs[] = {
1514 &class_device_attr_info,
1515 &class_device_attr_serialnum,
1516 &class_device_attr_modeldesc,
1517 &class_device_attr_modelname,
1518 &class_device_attr_programtype,
1519 &class_device_attr_portnum,
1520 &class_device_attr_fwrev,
1521 &class_device_attr_hdw,
1522 &class_device_attr_option_rom_version,
1523 &class_device_attr_state,
1524 &class_device_attr_num_discovered_ports,
1525 &class_device_attr_lpfc_drvr_version,
1526 &class_device_attr_lpfc_log_verbose,
1527 &class_device_attr_lpfc_lun_queue_depth,
1528 &class_device_attr_lpfc_hba_queue_depth,
1529 &class_device_attr_lpfc_peer_port_login,
1530 &class_device_attr_lpfc_nodev_tmo,
1531 &class_device_attr_lpfc_devloss_tmo,
1532 &class_device_attr_lpfc_fcp_class,
1533 &class_device_attr_lpfc_use_adisc,
1534 &class_device_attr_lpfc_ack0,
1535 &class_device_attr_lpfc_topology,
1536 &class_device_attr_lpfc_scan_down,
1537 &class_device_attr_lpfc_link_speed,
1538 &class_device_attr_lpfc_cr_delay,
1539 &class_device_attr_lpfc_cr_count,
1540 &class_device_attr_lpfc_multi_ring_support,
1541 &class_device_attr_lpfc_multi_ring_rctl,
1542 &class_device_attr_lpfc_multi_ring_type,
1543 &class_device_attr_lpfc_fdmi_on,
1544 &class_device_attr_lpfc_max_luns,
1545 &class_device_attr_lpfc_npiv_enable,
1546 &class_device_attr_nport_evt_cnt,
1547 &class_device_attr_management_version,
1548 &class_device_attr_board_mode,
1549 &class_device_attr_max_vpi,
1550 &class_device_attr_used_vpi,
1551 &class_device_attr_max_rpi,
1552 &class_device_attr_used_rpi,
1553 &class_device_attr_max_xri,
1554 &class_device_attr_used_xri,
1555 &class_device_attr_npiv_info,
1556 &class_device_attr_issue_reset,
1557 &class_device_attr_lpfc_poll,
1558 &class_device_attr_lpfc_poll_tmo,
1559 &class_device_attr_lpfc_use_msi,
1560 &class_device_attr_lpfc_soft_wwnn,
1561 &class_device_attr_lpfc_soft_wwpn,
1562 &class_device_attr_lpfc_soft_wwn_enable,
1563 NULL,
1564 };
1565
1566 struct class_device_attribute *lpfc_vport_attrs[] = {
1567 &class_device_attr_info,
1568 &class_device_attr_state,
1569 &class_device_attr_num_discovered_ports,
1570 &class_device_attr_lpfc_drvr_version,
1571
1572 &class_device_attr_lpfc_log_verbose,
1573 &class_device_attr_lpfc_lun_queue_depth,
1574 &class_device_attr_lpfc_nodev_tmo,
1575 &class_device_attr_lpfc_devloss_tmo,
1576 &class_device_attr_lpfc_hba_queue_depth,
1577 &class_device_attr_lpfc_peer_port_login,
1578 &class_device_attr_lpfc_restrict_login,
1579 &class_device_attr_lpfc_fcp_class,
1580 &class_device_attr_lpfc_use_adisc,
1581 &class_device_attr_lpfc_fdmi_on,
1582 &class_device_attr_lpfc_max_luns,
1583 &class_device_attr_nport_evt_cnt,
1584 &class_device_attr_management_version,
1585 &class_device_attr_npiv_info,
1586 NULL,
1587 };
1588
1589 static ssize_t
1590 sysfs_ctlreg_write(struct kobject *kobj, struct bin_attribute *bin_attr,
1591 char *buf, loff_t off, size_t count)
1592 {
1593 size_t buf_off;
1594 struct class_device *cdev = container_of(kobj, struct class_device,
1595 kobj);
1596 struct Scsi_Host *shost = class_to_shost(cdev);
1597 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1598 struct lpfc_hba *phba = vport->phba;
1599
1600 if ((off + count) > FF_REG_AREA_SIZE)
1601 return -ERANGE;
1602
1603 if (count == 0) return 0;
1604
1605 if (off % 4 || count % 4 || (unsigned long)buf % 4)
1606 return -EINVAL;
1607
1608 if (!(vport->fc_flag & FC_OFFLINE_MODE)) {
1609 return -EPERM;
1610 }
1611
1612 spin_lock_irq(&phba->hbalock);
1613 for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t))
1614 writel(*((uint32_t *)(buf + buf_off)),
1615 phba->ctrl_regs_memmap_p + off + buf_off);
1616
1617 spin_unlock_irq(&phba->hbalock);
1618
1619 return count;
1620 }
1621
1622 static ssize_t
1623 sysfs_ctlreg_read(struct kobject *kobj, struct bin_attribute *bin_attr,
1624 char *buf, loff_t off, size_t count)
1625 {
1626 size_t buf_off;
1627 uint32_t * tmp_ptr;
1628 struct class_device *cdev = container_of(kobj, struct class_device,
1629 kobj);
1630 struct Scsi_Host *shost = class_to_shost(cdev);
1631 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1632 struct lpfc_hba *phba = vport->phba;
1633
1634 if (off > FF_REG_AREA_SIZE)
1635 return -ERANGE;
1636
1637 if ((off + count) > FF_REG_AREA_SIZE)
1638 count = FF_REG_AREA_SIZE - off;
1639
1640 if (count == 0) return 0;
1641
1642 if (off % 4 || count % 4 || (unsigned long)buf % 4)
1643 return -EINVAL;
1644
1645 spin_lock_irq(&phba->hbalock);
1646
1647 for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) {
1648 tmp_ptr = (uint32_t *)(buf + buf_off);
1649 *tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off);
1650 }
1651
1652 spin_unlock_irq(&phba->hbalock);
1653
1654 return count;
1655 }
1656
1657 static struct bin_attribute sysfs_ctlreg_attr = {
1658 .attr = {
1659 .name = "ctlreg",
1660 .mode = S_IRUSR | S_IWUSR,
1661 },
1662 .size = 256,
1663 .read = sysfs_ctlreg_read,
1664 .write = sysfs_ctlreg_write,
1665 };
1666
1667
1668 static void
1669 sysfs_mbox_idle(struct lpfc_hba *phba)
1670 {
1671 phba->sysfs_mbox.state = SMBOX_IDLE;
1672 phba->sysfs_mbox.offset = 0;
1673
1674 if (phba->sysfs_mbox.mbox) {
1675 mempool_free(phba->sysfs_mbox.mbox,
1676 phba->mbox_mem_pool);
1677 phba->sysfs_mbox.mbox = NULL;
1678 }
1679 }
1680
1681 static ssize_t
1682 sysfs_mbox_write(struct kobject *kobj, struct bin_attribute *bin_attr,
1683 char *buf, loff_t off, size_t count)
1684 {
1685 struct class_device *cdev = container_of(kobj, struct class_device,
1686 kobj);
1687 struct Scsi_Host *shost = class_to_shost(cdev);
1688 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1689 struct lpfc_hba *phba = vport->phba;
1690 struct lpfcMboxq *mbox = NULL;
1691
1692 if ((count + off) > MAILBOX_CMD_SIZE)
1693 return -ERANGE;
1694
1695 if (off % 4 || count % 4 || (unsigned long)buf % 4)
1696 return -EINVAL;
1697
1698 if (count == 0)
1699 return 0;
1700
1701 if (off == 0) {
1702 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
1703 if (!mbox)
1704 return -ENOMEM;
1705 memset(mbox, 0, sizeof (LPFC_MBOXQ_t));
1706 }
1707
1708 spin_lock_irq(&phba->hbalock);
1709
1710 if (off == 0) {
1711 if (phba->sysfs_mbox.mbox)
1712 mempool_free(mbox, phba->mbox_mem_pool);
1713 else
1714 phba->sysfs_mbox.mbox = mbox;
1715 phba->sysfs_mbox.state = SMBOX_WRITING;
1716 } else {
1717 if (phba->sysfs_mbox.state != SMBOX_WRITING ||
1718 phba->sysfs_mbox.offset != off ||
1719 phba->sysfs_mbox.mbox == NULL) {
1720 sysfs_mbox_idle(phba);
1721 spin_unlock_irq(&phba->hbalock);
1722 return -EAGAIN;
1723 }
1724 }
1725
1726 memcpy((uint8_t *) & phba->sysfs_mbox.mbox->mb + off,
1727 buf, count);
1728
1729 phba->sysfs_mbox.offset = off + count;
1730
1731 spin_unlock_irq(&phba->hbalock);
1732
1733 return count;
1734 }
1735
1736 static ssize_t
1737 sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr,
1738 char *buf, loff_t off, size_t count)
1739 {
1740 struct class_device *cdev = container_of(kobj, struct class_device,
1741 kobj);
1742 struct Scsi_Host *shost = class_to_shost(cdev);
1743 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1744 struct lpfc_hba *phba = vport->phba;
1745 int rc;
1746
1747 if (off > MAILBOX_CMD_SIZE)
1748 return -ERANGE;
1749
1750 if ((count + off) > MAILBOX_CMD_SIZE)
1751 count = MAILBOX_CMD_SIZE - off;
1752
1753 if (off % 4 || count % 4 || (unsigned long)buf % 4)
1754 return -EINVAL;
1755
1756 if (off && count == 0)
1757 return 0;
1758
1759 spin_lock_irq(&phba->hbalock);
1760
1761 if (off == 0 &&
1762 phba->sysfs_mbox.state == SMBOX_WRITING &&
1763 phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) {
1764
1765 switch (phba->sysfs_mbox.mbox->mb.mbxCommand) {
1766 /* Offline only */
1767 case MBX_WRITE_NV:
1768 case MBX_INIT_LINK:
1769 case MBX_DOWN_LINK:
1770 case MBX_CONFIG_LINK:
1771 case MBX_CONFIG_RING:
1772 case MBX_RESET_RING:
1773 case MBX_UNREG_LOGIN:
1774 case MBX_CLEAR_LA:
1775 case MBX_DUMP_CONTEXT:
1776 case MBX_RUN_DIAGS:
1777 case MBX_RESTART:
1778 case MBX_FLASH_WR_ULA:
1779 case MBX_SET_MASK:
1780 case MBX_SET_SLIM:
1781 case MBX_SET_DEBUG:
1782 if (!(vport->fc_flag & FC_OFFLINE_MODE)) {
1783 printk(KERN_WARNING "mbox_read:Command 0x%x "
1784 "is illegal in on-line state\n",
1785 phba->sysfs_mbox.mbox->mb.mbxCommand);
1786 sysfs_mbox_idle(phba);
1787 spin_unlock_irq(&phba->hbalock);
1788 return -EPERM;
1789 }
1790 case MBX_LOAD_SM:
1791 case MBX_READ_NV:
1792 case MBX_READ_CONFIG:
1793 case MBX_READ_RCONFIG:
1794 case MBX_READ_STATUS:
1795 case MBX_READ_XRI:
1796 case MBX_READ_REV:
1797 case MBX_READ_LNK_STAT:
1798 case MBX_DUMP_MEMORY:
1799 case MBX_DOWN_LOAD:
1800 case MBX_UPDATE_CFG:
1801 case MBX_KILL_BOARD:
1802 case MBX_LOAD_AREA:
1803 case MBX_LOAD_EXP_ROM:
1804 case MBX_BEACON:
1805 case MBX_DEL_LD_ENTRY:
1806 break;
1807 case MBX_READ_SPARM64:
1808 case MBX_READ_LA:
1809 case MBX_READ_LA64:
1810 case MBX_REG_LOGIN:
1811 case MBX_REG_LOGIN64:
1812 case MBX_CONFIG_PORT:
1813 case MBX_RUN_BIU_DIAG:
1814 printk(KERN_WARNING "mbox_read: Illegal Command 0x%x\n",
1815 phba->sysfs_mbox.mbox->mb.mbxCommand);
1816 sysfs_mbox_idle(phba);
1817 spin_unlock_irq(&phba->hbalock);
1818 return -EPERM;
1819 default:
1820 printk(KERN_WARNING "mbox_read: Unknown Command 0x%x\n",
1821 phba->sysfs_mbox.mbox->mb.mbxCommand);
1822 sysfs_mbox_idle(phba);
1823 spin_unlock_irq(&phba->hbalock);
1824 return -EPERM;
1825 }
1826
1827 phba->sysfs_mbox.mbox->vport = vport;
1828
1829 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) {
1830 sysfs_mbox_idle(phba);
1831 spin_unlock_irq(&phba->hbalock);
1832 return -EAGAIN;
1833 }
1834
1835 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
1836 (!(phba->sli.sli_flag & LPFC_SLI2_ACTIVE))){
1837
1838 spin_unlock_irq(&phba->hbalock);
1839 rc = lpfc_sli_issue_mbox (phba,
1840 phba->sysfs_mbox.mbox,
1841 MBX_POLL);
1842 spin_lock_irq(&phba->hbalock);
1843
1844 } else {
1845 spin_unlock_irq(&phba->hbalock);
1846 rc = lpfc_sli_issue_mbox_wait (phba,
1847 phba->sysfs_mbox.mbox,
1848 lpfc_mbox_tmo_val(phba,
1849 phba->sysfs_mbox.mbox->mb.mbxCommand) * HZ);
1850 spin_lock_irq(&phba->hbalock);
1851 }
1852
1853 if (rc != MBX_SUCCESS) {
1854 if (rc == MBX_TIMEOUT) {
1855 phba->sysfs_mbox.mbox = NULL;
1856 }
1857 sysfs_mbox_idle(phba);
1858 spin_unlock_irq(&phba->hbalock);
1859 return (rc == MBX_TIMEOUT) ? -ETIME : -ENODEV;
1860 }
1861 phba->sysfs_mbox.state = SMBOX_READING;
1862 }
1863 else if (phba->sysfs_mbox.offset != off ||
1864 phba->sysfs_mbox.state != SMBOX_READING) {
1865 printk(KERN_WARNING "mbox_read: Bad State\n");
1866 sysfs_mbox_idle(phba);
1867 spin_unlock_irq(&phba->hbalock);
1868 return -EAGAIN;
1869 }
1870
1871 memcpy(buf, (uint8_t *) & phba->sysfs_mbox.mbox->mb + off, count);
1872
1873 phba->sysfs_mbox.offset = off + count;
1874
1875 if (phba->sysfs_mbox.offset == MAILBOX_CMD_SIZE)
1876 sysfs_mbox_idle(phba);
1877
1878 spin_unlock_irq(&phba->hbalock);
1879
1880 return count;
1881 }
1882
1883 static struct bin_attribute sysfs_mbox_attr = {
1884 .attr = {
1885 .name = "mbox",
1886 .mode = S_IRUSR | S_IWUSR,
1887 },
1888 .size = MAILBOX_CMD_SIZE,
1889 .read = sysfs_mbox_read,
1890 .write = sysfs_mbox_write,
1891 };
1892
1893 int
1894 lpfc_alloc_sysfs_attr(struct lpfc_vport *vport)
1895 {
1896 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1897 int error;
1898
1899 error = sysfs_create_bin_file(&shost->shost_classdev.kobj,
1900 &sysfs_ctlreg_attr);
1901 if (error)
1902 goto out;
1903
1904 error = sysfs_create_bin_file(&shost->shost_classdev.kobj,
1905 &sysfs_mbox_attr);
1906 if (error)
1907 goto out_remove_ctlreg_attr;
1908
1909 return 0;
1910 out_remove_ctlreg_attr:
1911 sysfs_remove_bin_file(&shost->shost_classdev.kobj, &sysfs_ctlreg_attr);
1912 out:
1913 return error;
1914 }
1915
1916 void
1917 lpfc_free_sysfs_attr(struct lpfc_vport *vport)
1918 {
1919 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1920
1921 sysfs_remove_bin_file(&shost->shost_classdev.kobj, &sysfs_mbox_attr);
1922 sysfs_remove_bin_file(&shost->shost_classdev.kobj, &sysfs_ctlreg_attr);
1923 }
1924
1925
1926 /*
1927 * Dynamic FC Host Attributes Support
1928 */
1929
1930 static void
1931 lpfc_get_host_port_id(struct Scsi_Host *shost)
1932 {
1933 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1934
1935 /* note: fc_myDID already in cpu endianness */
1936 fc_host_port_id(shost) = vport->fc_myDID;
1937 }
1938
1939 static void
1940 lpfc_get_host_port_type(struct Scsi_Host *shost)
1941 {
1942 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1943 struct lpfc_hba *phba = vport->phba;
1944
1945 spin_lock_irq(shost->host_lock);
1946
1947 if (vport->port_type == LPFC_NPIV_PORT) {
1948 fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
1949 } else if (lpfc_is_link_up(phba)) {
1950 if (phba->fc_topology == TOPOLOGY_LOOP) {
1951 if (vport->fc_flag & FC_PUBLIC_LOOP)
1952 fc_host_port_type(shost) = FC_PORTTYPE_NLPORT;
1953 else
1954 fc_host_port_type(shost) = FC_PORTTYPE_LPORT;
1955 } else {
1956 if (vport->fc_flag & FC_FABRIC)
1957 fc_host_port_type(shost) = FC_PORTTYPE_NPORT;
1958 else
1959 fc_host_port_type(shost) = FC_PORTTYPE_PTP;
1960 }
1961 } else
1962 fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN;
1963
1964 spin_unlock_irq(shost->host_lock);
1965 }
1966
1967 static void
1968 lpfc_get_host_port_state(struct Scsi_Host *shost)
1969 {
1970 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1971 struct lpfc_hba *phba = vport->phba;
1972
1973 spin_lock_irq(shost->host_lock);
1974
1975 if (vport->fc_flag & FC_OFFLINE_MODE)
1976 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
1977 else {
1978 switch (phba->link_state) {
1979 case LPFC_LINK_UNKNOWN:
1980 case LPFC_LINK_DOWN:
1981 fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
1982 break;
1983 case LPFC_LINK_UP:
1984 case LPFC_CLEAR_LA:
1985 case LPFC_HBA_READY:
1986 /* Links up, beyond this port_type reports state */
1987 fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
1988 break;
1989 case LPFC_HBA_ERROR:
1990 fc_host_port_state(shost) = FC_PORTSTATE_ERROR;
1991 break;
1992 default:
1993 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
1994 break;
1995 }
1996 }
1997
1998 spin_unlock_irq(shost->host_lock);
1999 }
2000
2001 static void
2002 lpfc_get_host_speed(struct Scsi_Host *shost)
2003 {
2004 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2005 struct lpfc_hba *phba = vport->phba;
2006
2007 spin_lock_irq(shost->host_lock);
2008
2009 if (lpfc_is_link_up(phba)) {
2010 switch(phba->fc_linkspeed) {
2011 case LA_1GHZ_LINK:
2012 fc_host_speed(shost) = FC_PORTSPEED_1GBIT;
2013 break;
2014 case LA_2GHZ_LINK:
2015 fc_host_speed(shost) = FC_PORTSPEED_2GBIT;
2016 break;
2017 case LA_4GHZ_LINK:
2018 fc_host_speed(shost) = FC_PORTSPEED_4GBIT;
2019 break;
2020 case LA_8GHZ_LINK:
2021 fc_host_speed(shost) = FC_PORTSPEED_8GBIT;
2022 break;
2023 default:
2024 fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
2025 break;
2026 }
2027 }
2028
2029 spin_unlock_irq(shost->host_lock);
2030 }
2031
2032 static void
2033 lpfc_get_host_fabric_name (struct Scsi_Host *shost)
2034 {
2035 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2036 struct lpfc_hba *phba = vport->phba;
2037 u64 node_name;
2038
2039 spin_lock_irq(shost->host_lock);
2040
2041 if ((vport->fc_flag & FC_FABRIC) ||
2042 ((phba->fc_topology == TOPOLOGY_LOOP) &&
2043 (vport->fc_flag & FC_PUBLIC_LOOP)))
2044 node_name = wwn_to_u64(phba->fc_fabparam.nodeName.u.wwn);
2045 else
2046 /* fabric is local port if there is no F/FL_Port */
2047 node_name = wwn_to_u64(vport->fc_nodename.u.wwn);
2048
2049 spin_unlock_irq(shost->host_lock);
2050
2051 fc_host_fabric_name(shost) = node_name;
2052 }
2053
2054 static struct fc_host_statistics *
2055 lpfc_get_stats(struct Scsi_Host *shost)
2056 {
2057 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2058 struct lpfc_hba *phba = vport->phba;
2059 struct lpfc_sli *psli = &phba->sli;
2060 struct fc_host_statistics *hs = &phba->link_stats;
2061 struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets;
2062 LPFC_MBOXQ_t *pmboxq;
2063 MAILBOX_t *pmb;
2064 unsigned long seconds;
2065 int rc = 0;
2066
2067 /*
2068 * prevent udev from issuing mailbox commands until the port is
2069 * configured.
2070 */
2071 if (phba->link_state < LPFC_LINK_DOWN ||
2072 !phba->mbox_mem_pool ||
2073 (phba->sli.sli_flag & LPFC_SLI2_ACTIVE) == 0)
2074 return NULL;
2075
2076 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)
2077 return NULL;
2078
2079 pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
2080 if (!pmboxq)
2081 return NULL;
2082 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
2083
2084 pmb = &pmboxq->mb;
2085 pmb->mbxCommand = MBX_READ_STATUS;
2086 pmb->mbxOwner = OWN_HOST;
2087 pmboxq->context1 = NULL;
2088 pmboxq->vport = vport;
2089
2090 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
2091 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
2092 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
2093 else
2094 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
2095
2096 if (rc != MBX_SUCCESS) {
2097 if (rc != MBX_TIMEOUT)
2098 mempool_free(pmboxq, phba->mbox_mem_pool);
2099 return NULL;
2100 }
2101
2102 memset(hs, 0, sizeof (struct fc_host_statistics));
2103
2104 hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt;
2105 hs->tx_words = (pmb->un.varRdStatus.xmitByteCnt * 256);
2106 hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt;
2107 hs->rx_words = (pmb->un.varRdStatus.rcvByteCnt * 256);
2108
2109 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
2110 pmb->mbxCommand = MBX_READ_LNK_STAT;
2111 pmb->mbxOwner = OWN_HOST;
2112 pmboxq->context1 = NULL;
2113 pmboxq->vport = vport;
2114
2115 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
2116 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
2117 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
2118 else
2119 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
2120
2121 if (rc != MBX_SUCCESS) {
2122 if (rc != MBX_TIMEOUT)
2123 mempool_free(pmboxq, phba->mbox_mem_pool);
2124 return NULL;
2125 }
2126
2127 hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
2128 hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
2129 hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
2130 hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
2131 hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
2132 hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
2133 hs->error_frames = pmb->un.varRdLnk.crcCnt;
2134
2135 hs->link_failure_count -= lso->link_failure_count;
2136 hs->loss_of_sync_count -= lso->loss_of_sync_count;
2137 hs->loss_of_signal_count -= lso->loss_of_signal_count;
2138 hs->prim_seq_protocol_err_count -= lso->prim_seq_protocol_err_count;
2139 hs->invalid_tx_word_count -= lso->invalid_tx_word_count;
2140 hs->invalid_crc_count -= lso->invalid_crc_count;
2141 hs->error_frames -= lso->error_frames;
2142
2143 if (phba->fc_topology == TOPOLOGY_LOOP) {
2144 hs->lip_count = (phba->fc_eventTag >> 1);
2145 hs->lip_count -= lso->link_events;
2146 hs->nos_count = -1;
2147 } else {
2148 hs->lip_count = -1;
2149 hs->nos_count = (phba->fc_eventTag >> 1);
2150 hs->nos_count -= lso->link_events;
2151 }
2152
2153 hs->dumped_frames = -1;
2154
2155 seconds = get_seconds();
2156 if (seconds < psli->stats_start)
2157 hs->seconds_since_last_reset = seconds +
2158 ((unsigned long)-1 - psli->stats_start);
2159 else
2160 hs->seconds_since_last_reset = seconds - psli->stats_start;
2161
2162 mempool_free(pmboxq, phba->mbox_mem_pool);
2163
2164 return hs;
2165 }
2166
2167 static void
2168 lpfc_reset_stats(struct Scsi_Host *shost)
2169 {
2170 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2171 struct lpfc_hba *phba = vport->phba;
2172 struct lpfc_sli *psli = &phba->sli;
2173 struct lpfc_lnk_stat *lso = &psli->lnk_stat_offsets;
2174 LPFC_MBOXQ_t *pmboxq;
2175 MAILBOX_t *pmb;
2176 int rc = 0;
2177
2178 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)
2179 return;
2180
2181 pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
2182 if (!pmboxq)
2183 return;
2184 memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
2185
2186 pmb = &pmboxq->mb;
2187 pmb->mbxCommand = MBX_READ_STATUS;
2188 pmb->mbxOwner = OWN_HOST;
2189 pmb->un.varWords[0] = 0x1; /* reset request */
2190 pmboxq->context1 = NULL;
2191 pmboxq->vport = vport;
2192
2193 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
2194 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
2195 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
2196 else
2197 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
2198
2199 if (rc != MBX_SUCCESS) {
2200 if (rc != MBX_TIMEOUT)
2201 mempool_free(pmboxq, phba->mbox_mem_pool);
2202 return;
2203 }
2204
2205 memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
2206 pmb->mbxCommand = MBX_READ_LNK_STAT;
2207 pmb->mbxOwner = OWN_HOST;
2208 pmboxq->context1 = NULL;
2209 pmboxq->vport = vport;
2210
2211 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
2212 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
2213 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
2214 else
2215 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
2216
2217 if (rc != MBX_SUCCESS) {
2218 if (rc != MBX_TIMEOUT)
2219 mempool_free( pmboxq, phba->mbox_mem_pool);
2220 return;
2221 }
2222
2223 lso->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
2224 lso->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
2225 lso->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
2226 lso->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
2227 lso->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
2228 lso->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
2229 lso->error_frames = pmb->un.varRdLnk.crcCnt;
2230 lso->link_events = (phba->fc_eventTag >> 1);
2231
2232 psli->stats_start = get_seconds();
2233
2234 mempool_free(pmboxq, phba->mbox_mem_pool);
2235
2236 return;
2237 }
2238
2239 /*
2240 * The LPFC driver treats linkdown handling as target loss events so there
2241 * are no sysfs handlers for link_down_tmo.
2242 */
2243
2244 static struct lpfc_nodelist *
2245 lpfc_get_node_by_target(struct scsi_target *starget)
2246 {
2247 struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
2248 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2249 struct lpfc_nodelist *ndlp;
2250
2251 spin_lock_irq(shost->host_lock);
2252 /* Search for this, mapped, target ID */
2253 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
2254 if (ndlp->nlp_state == NLP_STE_MAPPED_NODE &&
2255 starget->id == ndlp->nlp_sid) {
2256 spin_unlock_irq(shost->host_lock);
2257 return ndlp;
2258 }
2259 }
2260 spin_unlock_irq(shost->host_lock);
2261 return NULL;
2262 }
2263
2264 static void
2265 lpfc_get_starget_port_id(struct scsi_target *starget)
2266 {
2267 struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
2268
2269 fc_starget_port_id(starget) = ndlp ? ndlp->nlp_DID : -1;
2270 }
2271
2272 static void
2273 lpfc_get_starget_node_name(struct scsi_target *starget)
2274 {
2275 struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
2276
2277 fc_starget_node_name(starget) =
2278 ndlp ? wwn_to_u64(ndlp->nlp_nodename.u.wwn) : 0;
2279 }
2280
2281 static void
2282 lpfc_get_starget_port_name(struct scsi_target *starget)
2283 {
2284 struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
2285
2286 fc_starget_port_name(starget) =
2287 ndlp ? wwn_to_u64(ndlp->nlp_portname.u.wwn) : 0;
2288 }
2289
2290 static void
2291 lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
2292 {
2293 if (timeout)
2294 rport->dev_loss_tmo = timeout;
2295 else
2296 rport->dev_loss_tmo = 1;
2297 }
2298
2299
2300 #define lpfc_rport_show_function(field, format_string, sz, cast) \
2301 static ssize_t \
2302 lpfc_show_rport_##field (struct class_device *cdev, char *buf) \
2303 { \
2304 struct fc_rport *rport = transport_class_to_rport(cdev); \
2305 struct lpfc_rport_data *rdata = rport->hostdata; \
2306 return snprintf(buf, sz, format_string, \
2307 (rdata->target) ? cast rdata->target->field : 0); \
2308 }
2309
2310 #define lpfc_rport_rd_attr(field, format_string, sz) \
2311 lpfc_rport_show_function(field, format_string, sz, ) \
2312 static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL)
2313
2314
2315 struct fc_function_template lpfc_transport_functions = {
2316 /* fixed attributes the driver supports */
2317 .show_host_node_name = 1,
2318 .show_host_port_name = 1,
2319 .show_host_supported_classes = 1,
2320 .show_host_supported_fc4s = 1,
2321 .show_host_supported_speeds = 1,
2322 .show_host_maxframe_size = 1,
2323
2324 /* dynamic attributes the driver supports */
2325 .get_host_port_id = lpfc_get_host_port_id,
2326 .show_host_port_id = 1,
2327
2328 .get_host_port_type = lpfc_get_host_port_type,
2329 .show_host_port_type = 1,
2330
2331 .get_host_port_state = lpfc_get_host_port_state,
2332 .show_host_port_state = 1,
2333
2334 /* active_fc4s is shown but doesn't change (thus no get function) */
2335 .show_host_active_fc4s = 1,
2336
2337 .get_host_speed = lpfc_get_host_speed,
2338 .show_host_speed = 1,
2339
2340 .get_host_fabric_name = lpfc_get_host_fabric_name,
2341 .show_host_fabric_name = 1,
2342
2343 /*
2344 * The LPFC driver treats linkdown handling as target loss events
2345 * so there are no sysfs handlers for link_down_tmo.
2346 */
2347
2348 .get_fc_host_stats = lpfc_get_stats,
2349 .reset_fc_host_stats = lpfc_reset_stats,
2350
2351 .dd_fcrport_size = sizeof(struct lpfc_rport_data),
2352 .show_rport_maxframe_size = 1,
2353 .show_rport_supported_classes = 1,
2354
2355 .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
2356 .show_rport_dev_loss_tmo = 1,
2357
2358 .get_starget_port_id = lpfc_get_starget_port_id,
2359 .show_starget_port_id = 1,
2360
2361 .get_starget_node_name = lpfc_get_starget_node_name,
2362 .show_starget_node_name = 1,
2363
2364 .get_starget_port_name = lpfc_get_starget_port_name,
2365 .show_starget_port_name = 1,
2366
2367 .issue_fc_host_lip = lpfc_issue_lip,
2368 .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk,
2369 .terminate_rport_io = lpfc_terminate_rport_io,
2370
2371 .vport_create = lpfc_vport_create,
2372 .vport_delete = lpfc_vport_delete,
2373 .dd_fcvport_size = sizeof(struct lpfc_vport *),
2374 };
2375
2376 struct fc_function_template lpfc_vport_transport_functions = {
2377 /* fixed attributes the driver supports */
2378 .show_host_node_name = 1,
2379 .show_host_port_name = 1,
2380 .show_host_supported_classes = 1,
2381 .show_host_supported_fc4s = 1,
2382 .show_host_supported_speeds = 1,
2383 .show_host_maxframe_size = 1,
2384
2385 /* dynamic attributes the driver supports */
2386 .get_host_port_id = lpfc_get_host_port_id,
2387 .show_host_port_id = 1,
2388
2389 .get_host_port_type = lpfc_get_host_port_type,
2390 .show_host_port_type = 1,
2391
2392 .get_host_port_state = lpfc_get_host_port_state,
2393 .show_host_port_state = 1,
2394
2395 /* active_fc4s is shown but doesn't change (thus no get function) */
2396 .show_host_active_fc4s = 1,
2397
2398 .get_host_speed = lpfc_get_host_speed,
2399 .show_host_speed = 1,
2400
2401 .get_host_fabric_name = lpfc_get_host_fabric_name,
2402 .show_host_fabric_name = 1,
2403
2404 /*
2405 * The LPFC driver treats linkdown handling as target loss events
2406 * so there are no sysfs handlers for link_down_tmo.
2407 */
2408
2409 .get_fc_host_stats = lpfc_get_stats,
2410 .reset_fc_host_stats = lpfc_reset_stats,
2411
2412 .dd_fcrport_size = sizeof(struct lpfc_rport_data),
2413 .show_rport_maxframe_size = 1,
2414 .show_rport_supported_classes = 1,
2415
2416 .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
2417 .show_rport_dev_loss_tmo = 1,
2418
2419 .get_starget_port_id = lpfc_get_starget_port_id,
2420 .show_starget_port_id = 1,
2421
2422 .get_starget_node_name = lpfc_get_starget_node_name,
2423 .show_starget_node_name = 1,
2424
2425 .get_starget_port_name = lpfc_get_starget_port_name,
2426 .show_starget_port_name = 1,
2427
2428 .issue_fc_host_lip = lpfc_issue_lip,
2429 .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk,
2430 .terminate_rport_io = lpfc_terminate_rport_io,
2431
2432 .vport_disable = lpfc_vport_disable,
2433 };
2434
2435 void
2436 lpfc_get_cfgparam(struct lpfc_hba *phba)
2437 {
2438 lpfc_log_verbose_init(phba, lpfc_log_verbose);
2439 lpfc_cr_delay_init(phba, lpfc_cr_delay);
2440 lpfc_cr_count_init(phba, lpfc_cr_count);
2441 lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support);
2442 lpfc_multi_ring_rctl_init(phba, lpfc_multi_ring_rctl);
2443 lpfc_multi_ring_type_init(phba, lpfc_multi_ring_type);
2444 lpfc_ack0_init(phba, lpfc_ack0);
2445 lpfc_topology_init(phba, lpfc_topology);
2446 lpfc_link_speed_init(phba, lpfc_link_speed);
2447 lpfc_poll_tmo_init(phba, lpfc_poll_tmo);
2448 lpfc_npiv_enable_init(phba, lpfc_npiv_enable);
2449 lpfc_use_msi_init(phba, lpfc_use_msi);
2450 phba->cfg_poll = lpfc_poll;
2451 phba->cfg_soft_wwnn = 0L;
2452 phba->cfg_soft_wwpn = 0L;
2453 /*
2454 * The total number of segments is the configuration value plus 2
2455 * since the IOCB need a command and response bde.
2456 */
2457 phba->cfg_sg_seg_cnt = LPFC_SG_SEG_CNT + 2;
2458 /*
2459 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
2460 * used to create the sg_dma_buf_pool must be dynamically calculated
2461 */
2462 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
2463 sizeof(struct fcp_rsp) +
2464 (phba->cfg_sg_seg_cnt * sizeof(struct ulp_bde64));
2465 lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth);
2466 return;
2467 }
2468
2469 void
2470 lpfc_get_vport_cfgparam(struct lpfc_vport *vport)
2471 {
2472 lpfc_lun_queue_depth_init(vport, lpfc_lun_queue_depth);
2473 lpfc_devloss_tmo_init(vport, lpfc_devloss_tmo);
2474 lpfc_nodev_tmo_init(vport, lpfc_nodev_tmo);
2475 lpfc_peer_port_login_init(vport, lpfc_peer_port_login);
2476 lpfc_restrict_login_init(vport, lpfc_restrict_login);
2477 lpfc_fcp_class_init(vport, lpfc_fcp_class);
2478 lpfc_use_adisc_init(vport, lpfc_use_adisc);
2479 lpfc_fdmi_on_init(vport, lpfc_fdmi_on);
2480 lpfc_discovery_threads_init(vport, lpfc_discovery_threads);
2481 lpfc_max_luns_init(vport, lpfc_max_luns);
2482 lpfc_scan_down_init(vport, lpfc_scan_down);
2483 return;
2484 }
kernel source for telekom puls (alcatel/mediatek)