Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
[linux-3.10.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_ATTR(name, defval, minval, maxval, desc) \
738 static int lpfc_##name = defval;\
739 module_param(lpfc_##name, int, 0);\
740 MODULE_PARM_DESC(lpfc_##name, desc);\
741 lpfc_param_init(name, defval, minval, maxval)
742
743 #define LPFC_ATTR_R(name, defval, minval, maxval, desc) \
744 static int lpfc_##name = defval;\
745 module_param(lpfc_##name, int, 0);\
746 MODULE_PARM_DESC(lpfc_##name, desc);\
747 lpfc_param_show(name)\
748 lpfc_param_init(name, defval, minval, maxval)\
749 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
750
751 #define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \
752 static int lpfc_##name = defval;\
753 module_param(lpfc_##name, int, 0);\
754 MODULE_PARM_DESC(lpfc_##name, desc);\
755 lpfc_param_show(name)\
756 lpfc_param_init(name, defval, minval, maxval)\
757 lpfc_param_set(name, defval, minval, maxval)\
758 lpfc_param_store(name)\
759 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
760                          lpfc_##name##_show, lpfc_##name##_store)
761
762 #define LPFC_ATTR_HEX_R(name, defval, minval, maxval, desc) \
763 static int lpfc_##name = defval;\
764 module_param(lpfc_##name, int, 0);\
765 MODULE_PARM_DESC(lpfc_##name, desc);\
766 lpfc_param_hex_show(name)\
767 lpfc_param_init(name, defval, minval, maxval)\
768 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
769
770 #define LPFC_ATTR_HEX_RW(name, defval, minval, maxval, desc) \
771 static int lpfc_##name = defval;\
772 module_param(lpfc_##name, int, 0);\
773 MODULE_PARM_DESC(lpfc_##name, desc);\
774 lpfc_param_hex_show(name)\
775 lpfc_param_init(name, defval, minval, maxval)\
776 lpfc_param_set(name, defval, minval, maxval)\
777 lpfc_param_store(name)\
778 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
779                          lpfc_##name##_show, lpfc_##name##_store)
780
781 static CLASS_DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL);
782 static CLASS_DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL);
783 static CLASS_DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL);
784 static CLASS_DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL);
785 static CLASS_DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL);
786 static CLASS_DEVICE_ATTR(portnum, S_IRUGO, lpfc_vportnum_show, NULL);
787 static CLASS_DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL);
788 static CLASS_DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL);
789 static CLASS_DEVICE_ATTR(state, S_IRUGO, lpfc_state_show, NULL);
790 static CLASS_DEVICE_ATTR(option_rom_version, S_IRUGO,
791                                         lpfc_option_rom_version_show, NULL);
792 static CLASS_DEVICE_ATTR(num_discovered_ports, S_IRUGO,
793                                         lpfc_num_discovered_ports_show, NULL);
794 static CLASS_DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL);
795 static CLASS_DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show,
796                          NULL);
797 static CLASS_DEVICE_ATTR(management_version, S_IRUGO, management_version_show,
798                          NULL);
799 static CLASS_DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR,
800                          lpfc_board_mode_show, lpfc_board_mode_store);
801 static CLASS_DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset);
802 static CLASS_DEVICE_ATTR(max_vpi, S_IRUGO, lpfc_max_vpi_show, NULL);
803 static CLASS_DEVICE_ATTR(used_vpi, S_IRUGO, lpfc_used_vpi_show, NULL);
804 static CLASS_DEVICE_ATTR(max_rpi, S_IRUGO, lpfc_max_rpi_show, NULL);
805 static CLASS_DEVICE_ATTR(used_rpi, S_IRUGO, lpfc_used_rpi_show, NULL);
806 static CLASS_DEVICE_ATTR(max_xri, S_IRUGO, lpfc_max_xri_show, NULL);
807 static CLASS_DEVICE_ATTR(used_xri, S_IRUGO, lpfc_used_xri_show, NULL);
808 static CLASS_DEVICE_ATTR(npiv_info, S_IRUGO, lpfc_npiv_info_show, NULL);
809
810
811 static char *lpfc_soft_wwn_key = "C99G71SL8032A";
812
813 static ssize_t
814 lpfc_soft_wwn_enable_store(struct class_device *cdev, const char *buf,
815                                 size_t count)
816 {
817         struct Scsi_Host  *shost = class_to_shost(cdev);
818         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
819         struct lpfc_hba   *phba = vport->phba;
820         unsigned int cnt = count;
821
822         /*
823          * We're doing a simple sanity check for soft_wwpn setting.
824          * We require that the user write a specific key to enable
825          * the soft_wwpn attribute to be settable. Once the attribute
826          * is written, the enable key resets. If further updates are
827          * desired, the key must be written again to re-enable the
828          * attribute.
829          *
830          * The "key" is not secret - it is a hardcoded string shown
831          * here. The intent is to protect against the random user or
832          * application that is just writing attributes.
833          */
834
835         /* count may include a LF at end of string */
836         if (buf[cnt-1] == '\n')
837                 cnt--;
838
839         if ((cnt != strlen(lpfc_soft_wwn_key)) ||
840             (strncmp(buf, lpfc_soft_wwn_key, strlen(lpfc_soft_wwn_key)) != 0))
841                 return -EINVAL;
842
843         phba->soft_wwn_enable = 1;
844         return count;
845 }
846 static CLASS_DEVICE_ATTR(lpfc_soft_wwn_enable, S_IWUSR, NULL,
847                                 lpfc_soft_wwn_enable_store);
848
849 static ssize_t
850 lpfc_soft_wwpn_show(struct class_device *cdev, char *buf)
851 {
852         struct Scsi_Host  *shost = class_to_shost(cdev);
853         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
854         struct lpfc_hba   *phba = vport->phba;
855
856         return snprintf(buf, PAGE_SIZE, "0x%llx\n",
857                         (unsigned long long)phba->cfg_soft_wwpn);
858 }
859
860
861 static ssize_t
862 lpfc_soft_wwpn_store(struct class_device *cdev, const char *buf, size_t count)
863 {
864         struct Scsi_Host  *shost = class_to_shost(cdev);
865         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
866         struct lpfc_hba   *phba = vport->phba;
867         struct completion online_compl;
868         int stat1=0, stat2=0;
869         unsigned int i, j, cnt=count;
870         u8 wwpn[8];
871
872         /* count may include a LF at end of string */
873         if (buf[cnt-1] == '\n')
874                 cnt--;
875
876         if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) ||
877             ((cnt == 17) && (*buf++ != 'x')) ||
878             ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x'))))
879                 return -EINVAL;
880
881         phba->soft_wwn_enable = 0;
882
883         memset(wwpn, 0, sizeof(wwpn));
884
885         /* Validate and store the new name */
886         for (i=0, j=0; i < 16; i++) {
887                 if ((*buf >= 'a') && (*buf <= 'f'))
888                         j = ((j << 4) | ((*buf++ -'a') + 10));
889                 else if ((*buf >= 'A') && (*buf <= 'F'))
890                         j = ((j << 4) | ((*buf++ -'A') + 10));
891                 else if ((*buf >= '0') && (*buf <= '9'))
892                         j = ((j << 4) | (*buf++ -'0'));
893                 else
894                         return -EINVAL;
895                 if (i % 2) {
896                         wwpn[i/2] = j & 0xff;
897                         j = 0;
898                 }
899         }
900         phba->cfg_soft_wwpn = wwn_to_u64(wwpn);
901         fc_host_port_name(shost) = phba->cfg_soft_wwpn;
902         if (phba->cfg_soft_wwnn)
903                 fc_host_node_name(shost) = phba->cfg_soft_wwnn;
904
905         dev_printk(KERN_NOTICE, &phba->pcidev->dev,
906                    "lpfc%d: Reinitializing to use soft_wwpn\n", phba->brd_no);
907
908         stat1 = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
909         if (stat1)
910                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
911                         "%d:0463 lpfc_soft_wwpn attribute set failed to reinit "
912                         "adapter - %d\n", phba->brd_no, stat1);
913
914         init_completion(&online_compl);
915         lpfc_workq_post_event(phba, &stat2, &online_compl, LPFC_EVT_ONLINE);
916         wait_for_completion(&online_compl);
917         if (stat2)
918                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
919                         "%d:0464 lpfc_soft_wwpn attribute set failed to reinit "
920                         "adapter - %d\n", phba->brd_no, stat2);
921
922         return (stat1 || stat2) ? -EIO : count;
923 }
924 static CLASS_DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR,\
925                          lpfc_soft_wwpn_show, lpfc_soft_wwpn_store);
926
927 static ssize_t
928 lpfc_soft_wwnn_show(struct class_device *cdev, char *buf)
929 {
930         struct Scsi_Host *host = class_to_shost(cdev);
931         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
932         return snprintf(buf, PAGE_SIZE, "0x%llx\n",
933                         (unsigned long long)phba->cfg_soft_wwnn);
934 }
935
936
937 static ssize_t
938 lpfc_soft_wwnn_store(struct class_device *cdev, const char *buf, size_t count)
939 {
940         struct Scsi_Host *host = class_to_shost(cdev);
941         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
942         unsigned int i, j, cnt=count;
943         u8 wwnn[8];
944
945         /* count may include a LF at end of string */
946         if (buf[cnt-1] == '\n')
947                 cnt--;
948
949         if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) ||
950             ((cnt == 17) && (*buf++ != 'x')) ||
951             ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x'))))
952                 return -EINVAL;
953
954         /*
955          * Allow wwnn to be set many times, as long as the enable is set.
956          * However, once the wwpn is set, everything locks.
957          */
958
959         memset(wwnn, 0, sizeof(wwnn));
960
961         /* Validate and store the new name */
962         for (i=0, j=0; i < 16; i++) {
963                 if ((*buf >= 'a') && (*buf <= 'f'))
964                         j = ((j << 4) | ((*buf++ -'a') + 10));
965                 else if ((*buf >= 'A') && (*buf <= 'F'))
966                         j = ((j << 4) | ((*buf++ -'A') + 10));
967                 else if ((*buf >= '0') && (*buf <= '9'))
968                         j = ((j << 4) | (*buf++ -'0'));
969                 else
970                         return -EINVAL;
971                 if (i % 2) {
972                         wwnn[i/2] = j & 0xff;
973                         j = 0;
974                 }
975         }
976         phba->cfg_soft_wwnn = wwn_to_u64(wwnn);
977
978         dev_printk(KERN_NOTICE, &phba->pcidev->dev,
979                    "lpfc%d: soft_wwnn set. Value will take effect upon "
980                    "setting of the soft_wwpn\n", phba->brd_no);
981
982         return count;
983 }
984 static CLASS_DEVICE_ATTR(lpfc_soft_wwnn, S_IRUGO | S_IWUSR,\
985                          lpfc_soft_wwnn_show, lpfc_soft_wwnn_store);
986
987
988 static int lpfc_poll = 0;
989 module_param(lpfc_poll, int, 0);
990 MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:"
991                  " 0 - none,"
992                  " 1 - poll with interrupts enabled"
993                  " 3 - poll and disable FCP ring interrupts");
994
995 static CLASS_DEVICE_ATTR(lpfc_poll, S_IRUGO | S_IWUSR,
996                          lpfc_poll_show, lpfc_poll_store);
997
998 int  lpfc_sli_mode = 0;
999 module_param(lpfc_sli_mode, int, 0);
1000 MODULE_PARM_DESC(lpfc_sli_mode, "SLI mode selector:"
1001                  " 0 - auto (SLI-3 if supported),"
1002                  " 2 - select SLI-2 even on SLI-3 capable HBAs,"
1003                  " 3 - select SLI-3");
1004
1005 LPFC_ATTR_R(npiv_enable, 0, 0, 1, "Enable NPIV functionality");
1006
1007 /*
1008 # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
1009 # until the timer expires. Value range is [0,255]. Default value is 30.
1010 */
1011 static int lpfc_nodev_tmo = LPFC_DEF_DEVLOSS_TMO;
1012 static int lpfc_devloss_tmo = LPFC_DEF_DEVLOSS_TMO;
1013 module_param(lpfc_nodev_tmo, int, 0);
1014 MODULE_PARM_DESC(lpfc_nodev_tmo,
1015                  "Seconds driver will hold I/O waiting "
1016                  "for a device to come back");
1017 static ssize_t
1018 lpfc_nodev_tmo_show(struct class_device *cdev, char *buf)
1019 {
1020         struct Scsi_Host  *shost = class_to_shost(cdev);
1021         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1022         struct lpfc_hba   *phba = vport->phba;
1023         int val = 0;
1024         val = phba->cfg_devloss_tmo;
1025         return snprintf(buf, PAGE_SIZE, "%d\n",
1026                         phba->cfg_devloss_tmo);
1027 }
1028
1029 static int
1030 lpfc_nodev_tmo_init(struct lpfc_hba *phba, int val)
1031 {
1032         static int warned;
1033         if (phba->cfg_devloss_tmo !=  LPFC_DEF_DEVLOSS_TMO) {
1034                 phba->cfg_nodev_tmo = phba->cfg_devloss_tmo;
1035                 if (!warned && val != LPFC_DEF_DEVLOSS_TMO) {
1036                         warned = 1;
1037                         lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1038                                         "%d:0402 Ignoring nodev_tmo module "
1039                                         "parameter because devloss_tmo is"
1040                                         " set.\n",
1041                                         phba->brd_no);
1042                 }
1043                 return 0;
1044         }
1045
1046         if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
1047                 phba->cfg_nodev_tmo = val;
1048                 phba->cfg_devloss_tmo = val;
1049                 return 0;
1050         }
1051         lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1052                         "%d:0400 lpfc_nodev_tmo attribute cannot be set to %d, "
1053                         "allowed range is [%d, %d]\n",
1054                         phba->brd_no, val,
1055                         LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO);
1056         phba->cfg_nodev_tmo = LPFC_DEF_DEVLOSS_TMO;
1057         return -EINVAL;
1058 }
1059
1060 static void
1061 lpfc_update_rport_devloss_tmo(struct lpfc_hba *phba)
1062 {
1063         struct lpfc_vport *vport;
1064         struct Scsi_Host  *shost;
1065         struct lpfc_nodelist  *ndlp;
1066
1067         list_for_each_entry(vport, &phba->port_list, listentry) {
1068                 shost = lpfc_shost_from_vport(vport);
1069                 spin_lock_irq(shost->host_lock);
1070                 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp)
1071                         if (ndlp->rport)
1072                                 ndlp->rport->dev_loss_tmo =
1073                                         phba->cfg_devloss_tmo;
1074                 spin_unlock_irq(shost->host_lock);
1075         }
1076 }
1077
1078 static int
1079 lpfc_nodev_tmo_set(struct lpfc_hba *phba, int val)
1080 {
1081         if (phba->dev_loss_tmo_changed ||
1082                 (lpfc_devloss_tmo != LPFC_DEF_DEVLOSS_TMO)) {
1083                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1084                                 "%d:0401 Ignoring change to nodev_tmo "
1085                                 "because devloss_tmo is set.\n",
1086                                 phba->brd_no);
1087                 return 0;
1088         }
1089
1090         if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
1091                 phba->cfg_nodev_tmo = val;
1092                 phba->cfg_devloss_tmo = val;
1093                 lpfc_update_rport_devloss_tmo(phba);
1094                 return 0;
1095         }
1096
1097         lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1098                         "%d:0403 lpfc_nodev_tmo attribute cannot be set to %d, "
1099                         "allowed range is [%d, %d]\n",
1100                         phba->brd_no, val, LPFC_MIN_DEVLOSS_TMO,
1101                         LPFC_MAX_DEVLOSS_TMO);
1102         return -EINVAL;
1103 }
1104
1105 lpfc_param_store(nodev_tmo)
1106
1107 static CLASS_DEVICE_ATTR(lpfc_nodev_tmo, S_IRUGO | S_IWUSR,
1108                          lpfc_nodev_tmo_show, lpfc_nodev_tmo_store);
1109
1110 /*
1111 # lpfc_devloss_tmo: If set, it will hold all I/O errors on devices that
1112 # disappear until the timer expires. Value range is [0,255]. Default
1113 # value is 30.
1114 */
1115 module_param(lpfc_devloss_tmo, int, 0);
1116 MODULE_PARM_DESC(lpfc_devloss_tmo,
1117                  "Seconds driver will hold I/O waiting "
1118                  "for a device to come back");
1119 lpfc_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO,
1120                 LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO)
1121 lpfc_param_show(devloss_tmo)
1122 static int
1123 lpfc_devloss_tmo_set(struct lpfc_hba *phba, int val)
1124 {
1125         if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
1126                 phba->cfg_nodev_tmo = val;
1127                 phba->cfg_devloss_tmo = val;
1128                 phba->dev_loss_tmo_changed = 1;
1129                 lpfc_update_rport_devloss_tmo(phba);
1130                 return 0;
1131         }
1132
1133         lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1134                         "%d:0404 lpfc_devloss_tmo attribute cannot be set to"
1135                         " %d, allowed range is [%d, %d]\n",
1136                         phba->brd_no, val, LPFC_MIN_DEVLOSS_TMO,
1137                         LPFC_MAX_DEVLOSS_TMO);
1138         return -EINVAL;
1139 }
1140
1141 lpfc_param_store(devloss_tmo)
1142 static CLASS_DEVICE_ATTR(lpfc_devloss_tmo, S_IRUGO | S_IWUSR,
1143         lpfc_devloss_tmo_show, lpfc_devloss_tmo_store);
1144
1145 /*
1146 # lpfc_log_verbose: Only turn this flag on if you are willing to risk being
1147 # deluged with LOTS of information.
1148 # You can set a bit mask to record specific types of verbose messages:
1149 #
1150 # LOG_ELS                       0x1        ELS events
1151 # LOG_DISCOVERY                 0x2        Link discovery events
1152 # LOG_MBOX                      0x4        Mailbox events
1153 # LOG_INIT                      0x8        Initialization events
1154 # LOG_LINK_EVENT                0x10       Link events
1155 # LOG_FCP                       0x40       FCP traffic history
1156 # LOG_NODE                      0x80       Node table events
1157 # LOG_MISC                      0x400      Miscellaneous events
1158 # LOG_SLI                       0x800      SLI events
1159 # LOG_FCP_ERROR                 0x1000     Only log FCP errors
1160 # LOG_LIBDFC                    0x2000     LIBDFC events
1161 # LOG_ALL_MSG                   0xffff     LOG all messages
1162 */
1163 LPFC_ATTR_HEX_RW(log_verbose, 0x0, 0x0, 0xffff, "Verbose logging bit-mask");
1164
1165 /*
1166 # lun_queue_depth:  This parameter is used to limit the number of outstanding
1167 # commands per FCP LUN. Value range is [1,128]. Default value is 30.
1168 */
1169 LPFC_ATTR_R(lun_queue_depth, 30, 1, 128,
1170             "Max number of FCP commands we can queue to a specific LUN");
1171
1172 /*
1173 # hba_queue_depth:  This parameter is used to limit the number of outstanding
1174 # commands per lpfc HBA. Value range is [32,8192]. If this parameter
1175 # value is greater than the maximum number of exchanges supported by the HBA,
1176 # then maximum number of exchanges supported by the HBA is used to determine
1177 # the hba_queue_depth.
1178 */
1179 LPFC_ATTR_R(hba_queue_depth, 8192, 32, 8192,
1180             "Max number of FCP commands we can queue to a lpfc HBA");
1181
1182 /*
1183 # peer_port_login:  This parameter allows/prevents logins
1184 # between peer ports hosted on the same physical port.
1185 # When this parameter is set 0 peer ports of same physical port
1186 # are not allowed to login to each other.
1187 # When this parameter is set 1 peer ports of same physical port
1188 # are allowed to login to each other.
1189 # Default value of this parameter is 0.
1190 */
1191 LPFC_ATTR_R(peer_port_login, 0, 0, 1,
1192             "Allow peer ports on the same physical port to login to each "
1193             "other.");
1194
1195 /*
1196 # vport_restrict_login:  This parameter allows/prevents logins
1197 # between Virtual Ports and remote initiators.
1198 # When this parameter is not set (0) Virtual Ports will accept PLOGIs from
1199 # other initiators and will attempt to PLOGI all remote ports.
1200 # When this parameter is set (1) Virtual Ports will reject PLOGIs from
1201 # remote ports and will not attempt to PLOGI to other initiators.
1202 # This parameter does not restrict to the physical port.
1203 # This parameter does not restrict logins to Fabric resident remote ports.
1204 # Default value of this parameter is 1.
1205 */
1206 LPFC_ATTR_RW(vport_restrict_login, 1, 0, 1,
1207             "Restrict virtual ports login to remote initiators.");
1208
1209 /*
1210 # Some disk devices have a "select ID" or "select Target" capability.
1211 # From a protocol standpoint "select ID" usually means select the
1212 # Fibre channel "ALPA".  In the FC-AL Profile there is an "informative
1213 # annex" which contains a table that maps a "select ID" (a number
1214 # between 0 and 7F) to an ALPA.  By default, for compatibility with
1215 # older drivers, the lpfc driver scans this table from low ALPA to high
1216 # ALPA.
1217 #
1218 # Turning on the scan-down variable (on  = 1, off = 0) will
1219 # cause the lpfc driver to use an inverted table, effectively
1220 # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1.
1221 #
1222 # (Note: This "select ID" functionality is a LOOP ONLY characteristic
1223 # and will not work across a fabric. Also this parameter will take
1224 # effect only in the case when ALPA map is not available.)
1225 */
1226 LPFC_ATTR_R(scan_down, 1, 0, 1,
1227              "Start scanning for devices from highest ALPA to lowest");
1228
1229 /*
1230 # lpfc_topology:  link topology for init link
1231 #            0x0  = attempt loop mode then point-to-point
1232 #            0x01 = internal loopback mode
1233 #            0x02 = attempt point-to-point mode only
1234 #            0x04 = attempt loop mode only
1235 #            0x06 = attempt point-to-point mode then loop
1236 # Set point-to-point mode if you want to run as an N_Port.
1237 # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6].
1238 # Default value is 0.
1239 */
1240 LPFC_ATTR_RW(topology, 0, 0, 6, "Select Fibre Channel topology");
1241
1242 /*
1243 # lpfc_link_speed: Link speed selection for initializing the Fibre Channel
1244 # connection.
1245 #       0  = auto select (default)
1246 #       1  = 1 Gigabaud
1247 #       2  = 2 Gigabaud
1248 #       4  = 4 Gigabaud
1249 #       8  = 8 Gigabaud
1250 # Value range is [0,8]. Default value is 0.
1251 */
1252 LPFC_ATTR_R(link_speed, 0, 0, 8, "Select link speed");
1253
1254 /*
1255 # lpfc_fcp_class:  Determines FC class to use for the FCP protocol.
1256 # Value range is [2,3]. Default value is 3.
1257 */
1258 LPFC_ATTR_R(fcp_class, 3, 2, 3,
1259              "Select Fibre Channel class of service for FCP sequences");
1260
1261 /*
1262 # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range
1263 # is [0,1]. Default value is 0.
1264 */
1265 LPFC_ATTR_RW(use_adisc, 0, 0, 1,
1266              "Use ADISC on rediscovery to authenticate FCP devices");
1267
1268 /*
1269 # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value
1270 # range is [0,1]. Default value is 0.
1271 */
1272 LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support");
1273
1274 /*
1275 # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing
1276 # cr_delay (msec) or cr_count outstanding commands. cr_delay can take
1277 # value [0,63]. cr_count can take value [1,255]. Default value of cr_delay
1278 # is 0. Default value of cr_count is 1. The cr_count feature is disabled if
1279 # cr_delay is set to 0.
1280 */
1281 LPFC_ATTR_RW(cr_delay, 0, 0, 63, "A count of milliseconds after which an "
1282                 "interrupt response is generated");
1283
1284 LPFC_ATTR_RW(cr_count, 1, 1, 255, "A count of I/O completions after which an "
1285                 "interrupt response is generated");
1286
1287 /*
1288 # lpfc_multi_ring_support:  Determines how many rings to spread available
1289 # cmd/rsp IOCB entries across.
1290 # Value range is [1,2]. Default value is 1.
1291 */
1292 LPFC_ATTR_R(multi_ring_support, 1, 1, 2, "Determines number of primary "
1293                 "SLI rings to spread IOCB entries across");
1294
1295 /*
1296 # lpfc_multi_ring_rctl:  If lpfc_multi_ring_support is enabled, this
1297 # identifies what rctl value to configure the additional ring for.
1298 # Value range is [1,0xff]. Default value is 4 (Unsolicated Data).
1299 */
1300 LPFC_ATTR_R(multi_ring_rctl, FC_UNSOL_DATA, 1,
1301              255, "Identifies RCTL for additional ring configuration");
1302
1303 /*
1304 # lpfc_multi_ring_type:  If lpfc_multi_ring_support is enabled, this
1305 # identifies what type value to configure the additional ring for.
1306 # Value range is [1,0xff]. Default value is 5 (LLC/SNAP).
1307 */
1308 LPFC_ATTR_R(multi_ring_type, FC_LLC_SNAP, 1,
1309              255, "Identifies TYPE for additional ring configuration");
1310
1311 /*
1312 # lpfc_fdmi_on: controls FDMI support.
1313 #       0 = no FDMI support
1314 #       1 = support FDMI without attribute of hostname
1315 #       2 = support FDMI with attribute of hostname
1316 # Value range [0,2]. Default value is 0.
1317 */
1318 LPFC_ATTR_RW(fdmi_on, 0, 0, 2, "Enable FDMI support");
1319
1320 /*
1321 # Specifies the maximum number of ELS cmds we can have outstanding (for
1322 # discovery). Value range is [1,64]. Default value = 32.
1323 */
1324 LPFC_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands "
1325                  "during discovery");
1326
1327 /*
1328 # lpfc_max_luns: maximum allowed LUN.
1329 # Value range is [0,65535]. Default value is 255.
1330 # NOTE: The SCSI layer might probe all allowed LUN on some old targets.
1331 */
1332 LPFC_ATTR_R(max_luns, 255, 0, 65535,
1333              "Maximum allowed LUN");
1334
1335 /*
1336 # lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring.
1337 # Value range is [1,255], default value is 10.
1338 */
1339 LPFC_ATTR_RW(poll_tmo, 10, 1, 255,
1340              "Milliseconds driver will wait between polling FCP ring");
1341
1342 /*
1343 # lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that
1344 #               support this feature
1345 #       0  = MSI disabled (default)
1346 #       1  = MSI enabled
1347 # Value range is [0,1]. Default value is 0.
1348 */
1349 LPFC_ATTR_R(use_msi, 0, 0, 1, "Use Message Signaled Interrupts, if possible");
1350
1351
1352
1353 struct class_device_attribute *lpfc_hba_attrs[] = {
1354         &class_device_attr_info,
1355         &class_device_attr_serialnum,
1356         &class_device_attr_modeldesc,
1357         &class_device_attr_modelname,
1358         &class_device_attr_programtype,
1359         &class_device_attr_portnum,
1360         &class_device_attr_fwrev,
1361         &class_device_attr_hdw,
1362         &class_device_attr_option_rom_version,
1363         &class_device_attr_state,
1364         &class_device_attr_num_discovered_ports,
1365         &class_device_attr_lpfc_drvr_version,
1366         &class_device_attr_lpfc_log_verbose,
1367         &class_device_attr_lpfc_lun_queue_depth,
1368         &class_device_attr_lpfc_hba_queue_depth,
1369         &class_device_attr_lpfc_peer_port_login,
1370         &class_device_attr_lpfc_vport_restrict_login,
1371         &class_device_attr_lpfc_nodev_tmo,
1372         &class_device_attr_lpfc_devloss_tmo,
1373         &class_device_attr_lpfc_fcp_class,
1374         &class_device_attr_lpfc_use_adisc,
1375         &class_device_attr_lpfc_ack0,
1376         &class_device_attr_lpfc_topology,
1377         &class_device_attr_lpfc_scan_down,
1378         &class_device_attr_lpfc_link_speed,
1379         &class_device_attr_lpfc_cr_delay,
1380         &class_device_attr_lpfc_cr_count,
1381         &class_device_attr_lpfc_multi_ring_support,
1382         &class_device_attr_lpfc_multi_ring_rctl,
1383         &class_device_attr_lpfc_multi_ring_type,
1384         &class_device_attr_lpfc_fdmi_on,
1385         &class_device_attr_lpfc_max_luns,
1386         &class_device_attr_lpfc_npiv_enable,
1387         &class_device_attr_nport_evt_cnt,
1388         &class_device_attr_management_version,
1389         &class_device_attr_board_mode,
1390         &class_device_attr_max_vpi,
1391         &class_device_attr_used_vpi,
1392         &class_device_attr_max_rpi,
1393         &class_device_attr_used_rpi,
1394         &class_device_attr_max_xri,
1395         &class_device_attr_used_xri,
1396         &class_device_attr_npiv_info,
1397         &class_device_attr_issue_reset,
1398         &class_device_attr_lpfc_poll,
1399         &class_device_attr_lpfc_poll_tmo,
1400         &class_device_attr_lpfc_use_msi,
1401         &class_device_attr_lpfc_soft_wwnn,
1402         &class_device_attr_lpfc_soft_wwpn,
1403         &class_device_attr_lpfc_soft_wwn_enable,
1404         NULL,
1405 };
1406
1407 static ssize_t
1408 sysfs_ctlreg_write(struct kobject *kobj, struct bin_attribute *bin_attr,
1409                    char *buf, loff_t off, size_t count)
1410 {
1411         size_t buf_off;
1412         struct class_device *cdev = container_of(kobj, struct class_device,
1413                                                  kobj);
1414         struct Scsi_Host  *shost = class_to_shost(cdev);
1415         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1416         struct lpfc_hba   *phba = vport->phba;
1417
1418         if ((off + count) > FF_REG_AREA_SIZE)
1419                 return -ERANGE;
1420
1421         if (count == 0) return 0;
1422
1423         if (off % 4 || count % 4 || (unsigned long)buf % 4)
1424                 return -EINVAL;
1425
1426         if (!(vport->fc_flag & FC_OFFLINE_MODE)) {
1427                 return -EPERM;
1428         }
1429
1430         spin_lock_irq(&phba->hbalock);
1431         for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t))
1432                 writel(*((uint32_t *)(buf + buf_off)),
1433                        phba->ctrl_regs_memmap_p + off + buf_off);
1434
1435         spin_unlock_irq(&phba->hbalock);
1436
1437         return count;
1438 }
1439
1440 static ssize_t
1441 sysfs_ctlreg_read(struct kobject *kobj, struct bin_attribute *bin_attr,
1442                   char *buf, loff_t off, size_t count)
1443 {
1444         size_t buf_off;
1445         uint32_t * tmp_ptr;
1446         struct class_device *cdev = container_of(kobj, struct class_device,
1447                                                  kobj);
1448         struct Scsi_Host  *shost = class_to_shost(cdev);
1449         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1450         struct lpfc_hba   *phba = vport->phba;
1451
1452         if (off > FF_REG_AREA_SIZE)
1453                 return -ERANGE;
1454
1455         if ((off + count) > FF_REG_AREA_SIZE)
1456                 count = FF_REG_AREA_SIZE - off;
1457
1458         if (count == 0) return 0;
1459
1460         if (off % 4 || count % 4 || (unsigned long)buf % 4)
1461                 return -EINVAL;
1462
1463         spin_lock_irq(&phba->hbalock);
1464
1465         for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) {
1466                 tmp_ptr = (uint32_t *)(buf + buf_off);
1467                 *tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off);
1468         }
1469
1470         spin_unlock_irq(&phba->hbalock);
1471
1472         return count;
1473 }
1474
1475 static struct bin_attribute sysfs_ctlreg_attr = {
1476         .attr = {
1477                 .name = "ctlreg",
1478                 .mode = S_IRUSR | S_IWUSR,
1479         },
1480         .size = 256,
1481         .read = sysfs_ctlreg_read,
1482         .write = sysfs_ctlreg_write,
1483 };
1484
1485
1486 static void
1487 sysfs_mbox_idle(struct lpfc_hba *phba)
1488 {
1489         phba->sysfs_mbox.state = SMBOX_IDLE;
1490         phba->sysfs_mbox.offset = 0;
1491
1492         if (phba->sysfs_mbox.mbox) {
1493                 mempool_free(phba->sysfs_mbox.mbox,
1494                              phba->mbox_mem_pool);
1495                 phba->sysfs_mbox.mbox = NULL;
1496         }
1497 }
1498
1499 static ssize_t
1500 sysfs_mbox_write(struct kobject *kobj, struct bin_attribute *bin_attr,
1501                  char *buf, loff_t off, size_t count)
1502 {
1503         struct class_device *cdev = container_of(kobj, struct class_device,
1504                                                  kobj);
1505         struct Scsi_Host  *shost = class_to_shost(cdev);
1506         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1507         struct lpfc_hba   *phba = vport->phba;
1508         struct lpfcMboxq  *mbox = NULL;
1509
1510         if ((count + off) > MAILBOX_CMD_SIZE)
1511                 return -ERANGE;
1512
1513         if (off % 4 ||  count % 4 || (unsigned long)buf % 4)
1514                 return -EINVAL;
1515
1516         if (count == 0)
1517                 return 0;
1518
1519         if (off == 0) {
1520                 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
1521                 if (!mbox)
1522                         return -ENOMEM;
1523                 memset(mbox, 0, sizeof (LPFC_MBOXQ_t));
1524         }
1525
1526         spin_lock_irq(&phba->hbalock);
1527
1528         if (off == 0) {
1529                 if (phba->sysfs_mbox.mbox)
1530                         mempool_free(mbox, phba->mbox_mem_pool);
1531                 else
1532                         phba->sysfs_mbox.mbox = mbox;
1533                 phba->sysfs_mbox.state = SMBOX_WRITING;
1534         } else {
1535                 if (phba->sysfs_mbox.state  != SMBOX_WRITING ||
1536                     phba->sysfs_mbox.offset != off           ||
1537                     phba->sysfs_mbox.mbox   == NULL) {
1538                         sysfs_mbox_idle(phba);
1539                         spin_unlock_irq(&phba->hbalock);
1540                         return -EAGAIN;
1541                 }
1542         }
1543
1544         memcpy((uint8_t *) & phba->sysfs_mbox.mbox->mb + off,
1545                buf, count);
1546
1547         phba->sysfs_mbox.offset = off + count;
1548
1549         spin_unlock_irq(&phba->hbalock);
1550
1551         return count;
1552 }
1553
1554 static ssize_t
1555 sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr,
1556                 char *buf, loff_t off, size_t count)
1557 {
1558         struct class_device *cdev = container_of(kobj, struct class_device,
1559                                                  kobj);
1560         struct Scsi_Host  *shost = class_to_shost(cdev);
1561         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1562         struct lpfc_hba   *phba = vport->phba;
1563         int rc;
1564
1565         if (off > MAILBOX_CMD_SIZE)
1566                 return -ERANGE;
1567
1568         if ((count + off) > MAILBOX_CMD_SIZE)
1569                 count = MAILBOX_CMD_SIZE - off;
1570
1571         if (off % 4 ||  count % 4 || (unsigned long)buf % 4)
1572                 return -EINVAL;
1573
1574         if (off && count == 0)
1575                 return 0;
1576
1577         spin_lock_irq(&phba->hbalock);
1578
1579         if (off == 0 &&
1580             phba->sysfs_mbox.state  == SMBOX_WRITING &&
1581             phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) {
1582
1583                 switch (phba->sysfs_mbox.mbox->mb.mbxCommand) {
1584                         /* Offline only */
1585                 case MBX_WRITE_NV:
1586                 case MBX_INIT_LINK:
1587                 case MBX_DOWN_LINK:
1588                 case MBX_CONFIG_LINK:
1589                 case MBX_CONFIG_RING:
1590                 case MBX_RESET_RING:
1591                 case MBX_UNREG_LOGIN:
1592                 case MBX_CLEAR_LA:
1593                 case MBX_DUMP_CONTEXT:
1594                 case MBX_RUN_DIAGS:
1595                 case MBX_RESTART:
1596                 case MBX_FLASH_WR_ULA:
1597                 case MBX_SET_MASK:
1598                 case MBX_SET_SLIM:
1599                 case MBX_SET_DEBUG:
1600                         if (!(vport->fc_flag & FC_OFFLINE_MODE)) {
1601                                 printk(KERN_WARNING "mbox_read:Command 0x%x "
1602                                        "is illegal in on-line state\n",
1603                                        phba->sysfs_mbox.mbox->mb.mbxCommand);
1604                                 sysfs_mbox_idle(phba);
1605                                 spin_unlock_irq(&phba->hbalock);
1606                                 return -EPERM;
1607                         }
1608                 case MBX_LOAD_SM:
1609                 case MBX_READ_NV:
1610                 case MBX_READ_CONFIG:
1611                 case MBX_READ_RCONFIG:
1612                 case MBX_READ_STATUS:
1613                 case MBX_READ_XRI:
1614                 case MBX_READ_REV:
1615                 case MBX_READ_LNK_STAT:
1616                 case MBX_DUMP_MEMORY:
1617                 case MBX_DOWN_LOAD:
1618                 case MBX_UPDATE_CFG:
1619                 case MBX_KILL_BOARD:
1620                 case MBX_LOAD_AREA:
1621                 case MBX_LOAD_EXP_ROM:
1622                 case MBX_BEACON:
1623                 case MBX_DEL_LD_ENTRY:
1624                         break;
1625                 case MBX_READ_SPARM64:
1626                 case MBX_READ_LA:
1627                 case MBX_READ_LA64:
1628                 case MBX_REG_LOGIN:
1629                 case MBX_REG_LOGIN64:
1630                 case MBX_CONFIG_PORT:
1631                 case MBX_RUN_BIU_DIAG:
1632                         printk(KERN_WARNING "mbox_read: Illegal Command 0x%x\n",
1633                                phba->sysfs_mbox.mbox->mb.mbxCommand);
1634                         sysfs_mbox_idle(phba);
1635                         spin_unlock_irq(&phba->hbalock);
1636                         return -EPERM;
1637                 default:
1638                         printk(KERN_WARNING "mbox_read: Unknown Command 0x%x\n",
1639                                phba->sysfs_mbox.mbox->mb.mbxCommand);
1640                         sysfs_mbox_idle(phba);
1641                         spin_unlock_irq(&phba->hbalock);
1642                         return -EPERM;
1643                 }
1644
1645                 phba->sysfs_mbox.mbox->vport = vport;
1646
1647                 if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) {
1648                         sysfs_mbox_idle(phba);
1649                         spin_unlock_irq(&phba->hbalock);
1650                         return  -EAGAIN;
1651                 }
1652
1653                 if ((vport->fc_flag & FC_OFFLINE_MODE) ||
1654                     (!(phba->sli.sli_flag & LPFC_SLI2_ACTIVE))){
1655
1656                         spin_unlock_irq(&phba->hbalock);
1657                         rc = lpfc_sli_issue_mbox (phba,
1658                                                   phba->sysfs_mbox.mbox,
1659                                                   MBX_POLL);
1660                         spin_lock_irq(&phba->hbalock);
1661
1662                 } else {
1663                         spin_unlock_irq(&phba->hbalock);
1664                         rc = lpfc_sli_issue_mbox_wait (phba,
1665                                                        phba->sysfs_mbox.mbox,
1666                                 lpfc_mbox_tmo_val(phba,
1667                                     phba->sysfs_mbox.mbox->mb.mbxCommand) * HZ);
1668                         spin_lock_irq(&phba->hbalock);
1669                 }
1670
1671                 if (rc != MBX_SUCCESS) {
1672                         if (rc == MBX_TIMEOUT) {
1673                                 phba->sysfs_mbox.mbox = NULL;
1674                         }
1675                         sysfs_mbox_idle(phba);
1676                         spin_unlock_irq(&phba->hbalock);
1677                         return  (rc == MBX_TIMEOUT) ? -ETIME : -ENODEV;
1678                 }
1679                 phba->sysfs_mbox.state = SMBOX_READING;
1680         }
1681         else if (phba->sysfs_mbox.offset != off ||
1682                  phba->sysfs_mbox.state  != SMBOX_READING) {
1683                 printk(KERN_WARNING  "mbox_read: Bad State\n");
1684                 sysfs_mbox_idle(phba);
1685                 spin_unlock_irq(&phba->hbalock);
1686                 return -EAGAIN;
1687         }
1688
1689         memcpy(buf, (uint8_t *) & phba->sysfs_mbox.mbox->mb + off, count);
1690
1691         phba->sysfs_mbox.offset = off + count;
1692
1693         if (phba->sysfs_mbox.offset == MAILBOX_CMD_SIZE)
1694                 sysfs_mbox_idle(phba);
1695
1696         spin_unlock_irq(&phba->hbalock);
1697
1698         return count;
1699 }
1700
1701 static struct bin_attribute sysfs_mbox_attr = {
1702         .attr = {
1703                 .name = "mbox",
1704                 .mode = S_IRUSR | S_IWUSR,
1705         },
1706         .size = MAILBOX_CMD_SIZE,
1707         .read = sysfs_mbox_read,
1708         .write = sysfs_mbox_write,
1709 };
1710
1711 int
1712 lpfc_alloc_sysfs_attr(struct lpfc_vport *vport)
1713 {
1714         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1715         int error;
1716
1717         error = sysfs_create_bin_file(&shost->shost_classdev.kobj,
1718                                       &sysfs_ctlreg_attr);
1719         if (error)
1720                 goto out;
1721
1722         error = sysfs_create_bin_file(&shost->shost_classdev.kobj,
1723                                       &sysfs_mbox_attr);
1724         if (error)
1725                 goto out_remove_ctlreg_attr;
1726
1727         return 0;
1728 out_remove_ctlreg_attr:
1729         sysfs_remove_bin_file(&shost->shost_classdev.kobj, &sysfs_ctlreg_attr);
1730 out:
1731         return error;
1732 }
1733
1734 void
1735 lpfc_free_sysfs_attr(struct lpfc_vport *vport)
1736 {
1737         struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1738
1739         sysfs_remove_bin_file(&shost->shost_classdev.kobj, &sysfs_mbox_attr);
1740         sysfs_remove_bin_file(&shost->shost_classdev.kobj, &sysfs_ctlreg_attr);
1741 }
1742
1743
1744 /*
1745  * Dynamic FC Host Attributes Support
1746  */
1747
1748 static void
1749 lpfc_get_host_port_id(struct Scsi_Host *shost)
1750 {
1751         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1752
1753         /* note: fc_myDID already in cpu endianness */
1754         fc_host_port_id(shost) = vport->fc_myDID;
1755 }
1756
1757 static void
1758 lpfc_get_host_port_type(struct Scsi_Host *shost)
1759 {
1760         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1761         struct lpfc_hba   *phba = vport->phba;
1762
1763         spin_lock_irq(shost->host_lock);
1764
1765         if (vport->port_type == LPFC_NPIV_PORT) {
1766                 fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
1767         } else if (lpfc_is_link_up(phba)) {
1768                 if (phba->fc_topology == TOPOLOGY_LOOP) {
1769                         if (vport->fc_flag & FC_PUBLIC_LOOP)
1770                                 fc_host_port_type(shost) = FC_PORTTYPE_NLPORT;
1771                         else
1772                                 fc_host_port_type(shost) = FC_PORTTYPE_LPORT;
1773                 } else {
1774                         if (vport->fc_flag & FC_FABRIC)
1775                                 fc_host_port_type(shost) = FC_PORTTYPE_NPORT;
1776                         else
1777                                 fc_host_port_type(shost) = FC_PORTTYPE_PTP;
1778                 }
1779         } else
1780                 fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN;
1781
1782         spin_unlock_irq(shost->host_lock);
1783 }
1784
1785 static void
1786 lpfc_get_host_port_state(struct Scsi_Host *shost)
1787 {
1788         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1789         struct lpfc_hba   *phba = vport->phba;
1790
1791         spin_lock_irq(shost->host_lock);
1792
1793         if (vport->fc_flag & FC_OFFLINE_MODE)
1794                 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
1795         else {
1796                 switch (phba->link_state) {
1797                 case LPFC_LINK_UNKNOWN:
1798                 case LPFC_LINK_DOWN:
1799                         fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
1800                         break;
1801                 case LPFC_LINK_UP:
1802                 case LPFC_CLEAR_LA:
1803                 case LPFC_HBA_READY:
1804                         /* Links up, beyond this port_type reports state */
1805                         fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
1806                         break;
1807                 case LPFC_HBA_ERROR:
1808                         fc_host_port_state(shost) = FC_PORTSTATE_ERROR;
1809                         break;
1810                 default:
1811                         fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
1812                         break;
1813                 }
1814         }
1815
1816         spin_unlock_irq(shost->host_lock);
1817 }
1818
1819 static void
1820 lpfc_get_host_speed(struct Scsi_Host *shost)
1821 {
1822         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1823         struct lpfc_hba   *phba = vport->phba;
1824
1825         spin_lock_irq(shost->host_lock);
1826
1827         if (lpfc_is_link_up(phba)) {
1828                 switch(phba->fc_linkspeed) {
1829                         case LA_1GHZ_LINK:
1830                                 fc_host_speed(shost) = FC_PORTSPEED_1GBIT;
1831                         break;
1832                         case LA_2GHZ_LINK:
1833                                 fc_host_speed(shost) = FC_PORTSPEED_2GBIT;
1834                         break;
1835                         case LA_4GHZ_LINK:
1836                                 fc_host_speed(shost) = FC_PORTSPEED_4GBIT;
1837                         break;
1838                         case LA_8GHZ_LINK:
1839                                 fc_host_speed(shost) = FC_PORTSPEED_8GBIT;
1840                         break;
1841                         default:
1842                                 fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
1843                         break;
1844                 }
1845         }
1846
1847         spin_unlock_irq(shost->host_lock);
1848 }
1849
1850 static void
1851 lpfc_get_host_fabric_name (struct Scsi_Host *shost)
1852 {
1853         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1854         struct lpfc_hba   *phba = vport->phba;
1855         u64 node_name;
1856
1857         spin_lock_irq(shost->host_lock);
1858
1859         if ((vport->fc_flag & FC_FABRIC) ||
1860             ((phba->fc_topology == TOPOLOGY_LOOP) &&
1861              (vport->fc_flag & FC_PUBLIC_LOOP)))
1862                 node_name = wwn_to_u64(phba->fc_fabparam.nodeName.u.wwn);
1863         else
1864                 /* fabric is local port if there is no F/FL_Port */
1865                 node_name = wwn_to_u64(vport->fc_nodename.u.wwn);
1866
1867         spin_unlock_irq(shost->host_lock);
1868
1869         fc_host_fabric_name(shost) = node_name;
1870 }
1871
1872 static struct fc_host_statistics *
1873 lpfc_get_stats(struct Scsi_Host *shost)
1874 {
1875         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1876         struct lpfc_hba   *phba = vport->phba;
1877         struct lpfc_sli   *psli = &phba->sli;
1878         struct fc_host_statistics *hs = &phba->link_stats;
1879         struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets;
1880         LPFC_MBOXQ_t *pmboxq;
1881         MAILBOX_t *pmb;
1882         unsigned long seconds;
1883         int rc = 0;
1884
1885         /*
1886          * prevent udev from issuing mailbox commands until the port is
1887          * configured.
1888          */
1889         if (phba->link_state < LPFC_LINK_DOWN ||
1890             !phba->mbox_mem_pool ||
1891             (phba->sli.sli_flag & LPFC_SLI2_ACTIVE) == 0)
1892                 return NULL;
1893
1894         if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)
1895                 return NULL;
1896
1897         pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
1898         if (!pmboxq)
1899                 return NULL;
1900         memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
1901
1902         pmb = &pmboxq->mb;
1903         pmb->mbxCommand = MBX_READ_STATUS;
1904         pmb->mbxOwner = OWN_HOST;
1905         pmboxq->context1 = NULL;
1906         pmboxq->vport = vport;
1907
1908         if ((vport->fc_flag & FC_OFFLINE_MODE) ||
1909                 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
1910                 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
1911         else
1912                 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
1913
1914         if (rc != MBX_SUCCESS) {
1915                 if (rc != MBX_TIMEOUT)
1916                         mempool_free(pmboxq, phba->mbox_mem_pool);
1917                 return NULL;
1918         }
1919
1920         memset(hs, 0, sizeof (struct fc_host_statistics));
1921
1922         hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt;
1923         hs->tx_words = (pmb->un.varRdStatus.xmitByteCnt * 256);
1924         hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt;
1925         hs->rx_words = (pmb->un.varRdStatus.rcvByteCnt * 256);
1926
1927         memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
1928         pmb->mbxCommand = MBX_READ_LNK_STAT;
1929         pmb->mbxOwner = OWN_HOST;
1930         pmboxq->context1 = NULL;
1931         pmboxq->vport = vport;
1932
1933         if ((vport->fc_flag & FC_OFFLINE_MODE) ||
1934             (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
1935                 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
1936         else
1937                 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
1938
1939         if (rc != MBX_SUCCESS) {
1940                 if (rc != MBX_TIMEOUT)
1941                         mempool_free(pmboxq, phba->mbox_mem_pool);
1942                 return NULL;
1943         }
1944
1945         hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
1946         hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
1947         hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
1948         hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
1949         hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
1950         hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
1951         hs->error_frames = pmb->un.varRdLnk.crcCnt;
1952
1953         hs->link_failure_count -= lso->link_failure_count;
1954         hs->loss_of_sync_count -= lso->loss_of_sync_count;
1955         hs->loss_of_signal_count -= lso->loss_of_signal_count;
1956         hs->prim_seq_protocol_err_count -= lso->prim_seq_protocol_err_count;
1957         hs->invalid_tx_word_count -= lso->invalid_tx_word_count;
1958         hs->invalid_crc_count -= lso->invalid_crc_count;
1959         hs->error_frames -= lso->error_frames;
1960
1961         if (phba->fc_topology == TOPOLOGY_LOOP) {
1962                 hs->lip_count = (phba->fc_eventTag >> 1);
1963                 hs->lip_count -= lso->link_events;
1964                 hs->nos_count = -1;
1965         } else {
1966                 hs->lip_count = -1;
1967                 hs->nos_count = (phba->fc_eventTag >> 1);
1968                 hs->nos_count -= lso->link_events;
1969         }
1970
1971         hs->dumped_frames = -1;
1972
1973         seconds = get_seconds();
1974         if (seconds < psli->stats_start)
1975                 hs->seconds_since_last_reset = seconds +
1976                                 ((unsigned long)-1 - psli->stats_start);
1977         else
1978                 hs->seconds_since_last_reset = seconds - psli->stats_start;
1979
1980         mempool_free(pmboxq, phba->mbox_mem_pool);
1981
1982         return hs;
1983 }
1984
1985 static void
1986 lpfc_reset_stats(struct Scsi_Host *shost)
1987 {
1988         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
1989         struct lpfc_hba   *phba = vport->phba;
1990         struct lpfc_sli   *psli = &phba->sli;
1991         struct lpfc_lnk_stat *lso = &psli->lnk_stat_offsets;
1992         LPFC_MBOXQ_t *pmboxq;
1993         MAILBOX_t *pmb;
1994         int rc = 0;
1995
1996         if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)
1997                 return;
1998
1999         pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
2000         if (!pmboxq)
2001                 return;
2002         memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
2003
2004         pmb = &pmboxq->mb;
2005         pmb->mbxCommand = MBX_READ_STATUS;
2006         pmb->mbxOwner = OWN_HOST;
2007         pmb->un.varWords[0] = 0x1; /* reset request */
2008         pmboxq->context1 = NULL;
2009         pmboxq->vport = vport;
2010
2011         if ((vport->fc_flag & FC_OFFLINE_MODE) ||
2012                 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
2013                 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
2014         else
2015                 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
2016
2017         if (rc != MBX_SUCCESS) {
2018                 if (rc != MBX_TIMEOUT)
2019                         mempool_free(pmboxq, phba->mbox_mem_pool);
2020                 return;
2021         }
2022
2023         memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
2024         pmb->mbxCommand = MBX_READ_LNK_STAT;
2025         pmb->mbxOwner = OWN_HOST;
2026         pmboxq->context1 = NULL;
2027         pmboxq->vport = vport;
2028
2029         if ((vport->fc_flag & FC_OFFLINE_MODE) ||
2030             (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
2031                 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
2032         else
2033                 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
2034
2035         if (rc != MBX_SUCCESS) {
2036                 if (rc != MBX_TIMEOUT)
2037                         mempool_free( pmboxq, phba->mbox_mem_pool);
2038                 return;
2039         }
2040
2041         lso->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
2042         lso->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
2043         lso->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
2044         lso->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
2045         lso->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
2046         lso->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
2047         lso->error_frames = pmb->un.varRdLnk.crcCnt;
2048         lso->link_events = (phba->fc_eventTag >> 1);
2049
2050         psli->stats_start = get_seconds();
2051
2052         mempool_free(pmboxq, phba->mbox_mem_pool);
2053
2054         return;
2055 }
2056
2057 /*
2058  * The LPFC driver treats linkdown handling as target loss events so there
2059  * are no sysfs handlers for link_down_tmo.
2060  */
2061
2062 static struct lpfc_nodelist *
2063 lpfc_get_node_by_target(struct scsi_target *starget)
2064 {
2065         struct Scsi_Host  *shost = dev_to_shost(starget->dev.parent);
2066         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
2067         struct lpfc_nodelist *ndlp;
2068
2069         spin_lock_irq(shost->host_lock);
2070         /* Search for this, mapped, target ID */
2071         list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
2072                 if (ndlp->nlp_state == NLP_STE_MAPPED_NODE &&
2073                     starget->id == ndlp->nlp_sid) {
2074                         spin_unlock_irq(shost->host_lock);
2075                         return ndlp;
2076                 }
2077         }
2078         spin_unlock_irq(shost->host_lock);
2079         return NULL;
2080 }
2081
2082 static void
2083 lpfc_get_starget_port_id(struct scsi_target *starget)
2084 {
2085         struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
2086
2087         fc_starget_port_id(starget) = ndlp ? ndlp->nlp_DID : -1;
2088 }
2089
2090 static void
2091 lpfc_get_starget_node_name(struct scsi_target *starget)
2092 {
2093         struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
2094
2095         fc_starget_node_name(starget) =
2096                 ndlp ? wwn_to_u64(ndlp->nlp_nodename.u.wwn) : 0;
2097 }
2098
2099 static void
2100 lpfc_get_starget_port_name(struct scsi_target *starget)
2101 {
2102         struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
2103
2104         fc_starget_port_name(starget) =
2105                 ndlp ? wwn_to_u64(ndlp->nlp_portname.u.wwn) : 0;
2106 }
2107
2108 static void
2109 lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
2110 {
2111         if (timeout)
2112                 rport->dev_loss_tmo = timeout;
2113         else
2114                 rport->dev_loss_tmo = 1;
2115 }
2116
2117
2118 #define lpfc_rport_show_function(field, format_string, sz, cast)        \
2119 static ssize_t                                                          \
2120 lpfc_show_rport_##field (struct class_device *cdev, char *buf)          \
2121 {                                                                       \
2122         struct fc_rport *rport = transport_class_to_rport(cdev);        \
2123         struct lpfc_rport_data *rdata = rport->hostdata;                \
2124         return snprintf(buf, sz, format_string,                         \
2125                 (rdata->target) ? cast rdata->target->field : 0);       \
2126 }
2127
2128 #define lpfc_rport_rd_attr(field, format_string, sz)                    \
2129         lpfc_rport_show_function(field, format_string, sz, )            \
2130 static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL)
2131
2132
2133 struct fc_function_template lpfc_transport_functions = {
2134         /* fixed attributes the driver supports */
2135         .show_host_node_name = 1,
2136         .show_host_port_name = 1,
2137         .show_host_supported_classes = 1,
2138         .show_host_supported_fc4s = 1,
2139         .show_host_supported_speeds = 1,
2140         .show_host_maxframe_size = 1,
2141
2142         /* dynamic attributes the driver supports */
2143         .get_host_port_id = lpfc_get_host_port_id,
2144         .show_host_port_id = 1,
2145
2146         .get_host_port_type = lpfc_get_host_port_type,
2147         .show_host_port_type = 1,
2148
2149         .get_host_port_state = lpfc_get_host_port_state,
2150         .show_host_port_state = 1,
2151
2152         /* active_fc4s is shown but doesn't change (thus no get function) */
2153         .show_host_active_fc4s = 1,
2154
2155         .get_host_speed = lpfc_get_host_speed,
2156         .show_host_speed = 1,
2157
2158         .get_host_fabric_name = lpfc_get_host_fabric_name,
2159         .show_host_fabric_name = 1,
2160
2161         /*
2162          * The LPFC driver treats linkdown handling as target loss events
2163          * so there are no sysfs handlers for link_down_tmo.
2164          */
2165
2166         .get_fc_host_stats = lpfc_get_stats,
2167         .reset_fc_host_stats = lpfc_reset_stats,
2168
2169         .dd_fcrport_size = sizeof(struct lpfc_rport_data),
2170         .show_rport_maxframe_size = 1,
2171         .show_rport_supported_classes = 1,
2172
2173         .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
2174         .show_rport_dev_loss_tmo = 1,
2175
2176         .get_starget_port_id  = lpfc_get_starget_port_id,
2177         .show_starget_port_id = 1,
2178
2179         .get_starget_node_name = lpfc_get_starget_node_name,
2180         .show_starget_node_name = 1,
2181
2182         .get_starget_port_name = lpfc_get_starget_port_name,
2183         .show_starget_port_name = 1,
2184
2185         .issue_fc_host_lip = lpfc_issue_lip,
2186         .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk,
2187         .terminate_rport_io = lpfc_terminate_rport_io,
2188
2189         .vport_create = lpfc_vport_create,
2190         .vport_delete = lpfc_vport_delete,
2191         .dd_fcvport_size = sizeof(struct lpfc_vport *),
2192 };
2193
2194 struct fc_function_template lpfc_vport_transport_functions = {
2195         /* fixed attributes the driver supports */
2196         .show_host_node_name = 1,
2197         .show_host_port_name = 1,
2198         .show_host_supported_classes = 1,
2199         .show_host_supported_fc4s = 1,
2200         .show_host_supported_speeds = 1,
2201         .show_host_maxframe_size = 1,
2202
2203         /* dynamic attributes the driver supports */
2204         .get_host_port_id = lpfc_get_host_port_id,
2205         .show_host_port_id = 1,
2206
2207         .get_host_port_type = lpfc_get_host_port_type,
2208         .show_host_port_type = 1,
2209
2210         .get_host_port_state = lpfc_get_host_port_state,
2211         .show_host_port_state = 1,
2212
2213         /* active_fc4s is shown but doesn't change (thus no get function) */
2214         .show_host_active_fc4s = 1,
2215
2216         .get_host_speed = lpfc_get_host_speed,
2217         .show_host_speed = 1,
2218
2219         .get_host_fabric_name = lpfc_get_host_fabric_name,
2220         .show_host_fabric_name = 1,
2221
2222         /*
2223          * The LPFC driver treats linkdown handling as target loss events
2224          * so there are no sysfs handlers for link_down_tmo.
2225          */
2226
2227         .get_fc_host_stats = lpfc_get_stats,
2228         .reset_fc_host_stats = lpfc_reset_stats,
2229
2230         .dd_fcrport_size = sizeof(struct lpfc_rport_data),
2231         .show_rport_maxframe_size = 1,
2232         .show_rport_supported_classes = 1,
2233
2234         .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
2235         .show_rport_dev_loss_tmo = 1,
2236
2237         .get_starget_port_id  = lpfc_get_starget_port_id,
2238         .show_starget_port_id = 1,
2239
2240         .get_starget_node_name = lpfc_get_starget_node_name,
2241         .show_starget_node_name = 1,
2242
2243         .get_starget_port_name = lpfc_get_starget_port_name,
2244         .show_starget_port_name = 1,
2245
2246         .issue_fc_host_lip = lpfc_issue_lip,
2247         .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk,
2248         .terminate_rport_io = lpfc_terminate_rport_io,
2249
2250         .vport_disable = lpfc_vport_disable,
2251 };
2252
2253 void
2254 lpfc_get_cfgparam(struct lpfc_hba *phba)
2255 {
2256         lpfc_log_verbose_init(phba, lpfc_log_verbose);
2257         lpfc_cr_delay_init(phba, lpfc_cr_delay);
2258         lpfc_cr_count_init(phba, lpfc_cr_count);
2259         lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support);
2260         lpfc_multi_ring_rctl_init(phba, lpfc_multi_ring_rctl);
2261         lpfc_multi_ring_type_init(phba, lpfc_multi_ring_type);
2262         lpfc_lun_queue_depth_init(phba, lpfc_lun_queue_depth);
2263         lpfc_fcp_class_init(phba, lpfc_fcp_class);
2264         lpfc_use_adisc_init(phba, lpfc_use_adisc);
2265         lpfc_ack0_init(phba, lpfc_ack0);
2266         lpfc_topology_init(phba, lpfc_topology);
2267         lpfc_scan_down_init(phba, lpfc_scan_down);
2268         lpfc_link_speed_init(phba, lpfc_link_speed);
2269         lpfc_fdmi_on_init(phba, lpfc_fdmi_on);
2270         lpfc_discovery_threads_init(phba, lpfc_discovery_threads);
2271         lpfc_max_luns_init(phba, lpfc_max_luns);
2272         lpfc_poll_tmo_init(phba, lpfc_poll_tmo);
2273         lpfc_peer_port_login_init(phba, lpfc_peer_port_login);
2274         lpfc_npiv_enable_init(phba, lpfc_npiv_enable);
2275         lpfc_vport_restrict_login_init(phba, lpfc_vport_restrict_login);
2276         lpfc_use_msi_init(phba, lpfc_use_msi);
2277         lpfc_devloss_tmo_init(phba, lpfc_devloss_tmo);
2278         lpfc_nodev_tmo_init(phba, lpfc_nodev_tmo);
2279         phba->cfg_poll = lpfc_poll;
2280         phba->cfg_soft_wwnn = 0L;
2281         phba->cfg_soft_wwpn = 0L;
2282
2283         /*
2284          * The total number of segments is the configuration value plus 2
2285          * since the IOCB need a command and response bde.
2286          */
2287         phba->cfg_sg_seg_cnt = LPFC_SG_SEG_CNT + 2;
2288
2289         /*
2290          * Since the sg_tablesize is module parameter, the sg_dma_buf_size
2291          * used to create the sg_dma_buf_pool must be dynamically calculated
2292          */
2293         phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
2294                         sizeof(struct fcp_rsp) +
2295                         (phba->cfg_sg_seg_cnt * sizeof(struct ulp_bde64));
2296
2297
2298         lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth);
2299
2300         return;
2301 }