blob: f05ef301130708da6cdbc1fccb678ad761a7ef29 [file] [log] [blame]
dea31012005-04-17 16:05:31 -05001/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
James.Smart@Emulex.Comc44ce172005-06-25 10:34:39 -04003 * Fibre Channel Host Bus Adapters. *
Jamie Wellnitz41415862006-02-28 19:25:27 -05004 * Copyright (C) 2004-2006 Emulex. All rights reserved. *
James.Smart@Emulex.Comc44ce172005-06-25 10:34:39 -04005 * EMULEX and SLI are trademarks of Emulex. *
dea31012005-04-17 16:05:31 -05006 * www.emulex.com *
James.Smart@Emulex.Comc44ce172005-06-25 10:34:39 -04007 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
dea31012005-04-17 16:05:31 -05008 * *
9 * This program is free software; you can redistribute it and/or *
James.Smart@Emulex.Comc44ce172005-06-25 10:34:39 -040010 * 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. *
dea31012005-04-17 16:05:31 -050020 *******************************************************************/
21
dea31012005-04-17 16:05:31 -050022#include <linux/ctype.h>
23#include <linux/pci.h>
24#include <linux/interrupt.h>
25
James.Smart@Emulex.Com91886522005-08-10 15:03:09 -040026#include <scsi/scsi.h>
dea31012005-04-17 16:05:31 -050027#include <scsi/scsi_device.h>
28#include <scsi/scsi_host.h>
29#include <scsi/scsi_tcq.h>
30#include <scsi/scsi_transport_fc.h>
31
32#include "lpfc_hw.h"
33#include "lpfc_sli.h"
34#include "lpfc_disc.h"
35#include "lpfc_scsi.h"
36#include "lpfc.h"
37#include "lpfc_logmsg.h"
38#include "lpfc_version.h"
39#include "lpfc_compat.h"
40#include "lpfc_crtn.h"
41
James Smartc01f3202006-08-18 17:47:08 -040042#define LPFC_DEF_DEVLOSS_TMO 30
43#define LPFC_MIN_DEVLOSS_TMO 1
44#define LPFC_MAX_DEVLOSS_TMO 255
dea31012005-04-17 16:05:31 -050045
46static void
47lpfc_jedec_to_ascii(int incr, char hdw[])
48{
49 int i, j;
50 for (i = 0; i < 8; i++) {
51 j = (incr & 0xf);
52 if (j <= 9)
53 hdw[7 - i] = 0x30 + j;
54 else
55 hdw[7 - i] = 0x61 + j - 10;
56 incr = (incr >> 4);
57 }
58 hdw[8] = 0;
59 return;
60}
61
62static ssize_t
63lpfc_drvr_version_show(struct class_device *cdev, char *buf)
64{
65 return snprintf(buf, PAGE_SIZE, LPFC_MODULE_DESC "\n");
66}
67
68static ssize_t
69management_version_show(struct class_device *cdev, char *buf)
70{
71 return snprintf(buf, PAGE_SIZE, DFC_API_VERSION "\n");
72}
73
74static ssize_t
75lpfc_info_show(struct class_device *cdev, char *buf)
76{
77 struct Scsi_Host *host = class_to_shost(cdev);
78 return snprintf(buf, PAGE_SIZE, "%s\n",lpfc_info(host));
79}
80
81static ssize_t
82lpfc_serialnum_show(struct class_device *cdev, char *buf)
83{
84 struct Scsi_Host *host = class_to_shost(cdev);
Jamie Wellnitz7f0b5b12006-02-28 19:25:24 -050085 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
dea31012005-04-17 16:05:31 -050086 return snprintf(buf, PAGE_SIZE, "%s\n",phba->SerialNumber);
87}
88
89static ssize_t
90lpfc_modeldesc_show(struct class_device *cdev, char *buf)
91{
92 struct Scsi_Host *host = class_to_shost(cdev);
Jamie Wellnitz7f0b5b12006-02-28 19:25:24 -050093 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
dea31012005-04-17 16:05:31 -050094 return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelDesc);
95}
96
97static ssize_t
98lpfc_modelname_show(struct class_device *cdev, char *buf)
99{
100 struct Scsi_Host *host = class_to_shost(cdev);
Jamie Wellnitz7f0b5b12006-02-28 19:25:24 -0500101 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
dea31012005-04-17 16:05:31 -0500102 return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelName);
103}
104
105static ssize_t
106lpfc_programtype_show(struct class_device *cdev, char *buf)
107{
108 struct Scsi_Host *host = class_to_shost(cdev);
Jamie Wellnitz7f0b5b12006-02-28 19:25:24 -0500109 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
dea31012005-04-17 16:05:31 -0500110 return snprintf(buf, PAGE_SIZE, "%s\n",phba->ProgramType);
111}
112
113static ssize_t
114lpfc_portnum_show(struct class_device *cdev, char *buf)
115{
116 struct Scsi_Host *host = class_to_shost(cdev);
Jamie Wellnitz7f0b5b12006-02-28 19:25:24 -0500117 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
dea31012005-04-17 16:05:31 -0500118 return snprintf(buf, PAGE_SIZE, "%s\n",phba->Port);
119}
120
121static ssize_t
122lpfc_fwrev_show(struct class_device *cdev, char *buf)
123{
124 struct Scsi_Host *host = class_to_shost(cdev);
Jamie Wellnitz7f0b5b12006-02-28 19:25:24 -0500125 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
dea31012005-04-17 16:05:31 -0500126 char fwrev[32];
127 lpfc_decode_firmware_rev(phba, fwrev, 1);
128 return snprintf(buf, PAGE_SIZE, "%s\n",fwrev);
129}
130
131static ssize_t
132lpfc_hdw_show(struct class_device *cdev, char *buf)
133{
134 char hdw[9];
135 struct Scsi_Host *host = class_to_shost(cdev);
Jamie Wellnitz7f0b5b12006-02-28 19:25:24 -0500136 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
dea31012005-04-17 16:05:31 -0500137 lpfc_vpd_t *vp = &phba->vpd;
138 lpfc_jedec_to_ascii(vp->rev.biuRev, hdw);
139 return snprintf(buf, PAGE_SIZE, "%s\n", hdw);
140}
141static ssize_t
142lpfc_option_rom_version_show(struct class_device *cdev, char *buf)
143{
144 struct Scsi_Host *host = class_to_shost(cdev);
Jamie Wellnitz7f0b5b12006-02-28 19:25:24 -0500145 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
dea31012005-04-17 16:05:31 -0500146 return snprintf(buf, PAGE_SIZE, "%s\n", phba->OptionROMVersion);
147}
148static ssize_t
149lpfc_state_show(struct class_device *cdev, char *buf)
150{
151 struct Scsi_Host *host = class_to_shost(cdev);
Jamie Wellnitz7f0b5b12006-02-28 19:25:24 -0500152 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
dea31012005-04-17 16:05:31 -0500153 int len = 0;
154 switch (phba->hba_state) {
Jamie Wellnitz41415862006-02-28 19:25:27 -0500155 case LPFC_STATE_UNKNOWN:
156 case LPFC_WARM_START:
dea31012005-04-17 16:05:31 -0500157 case LPFC_INIT_START:
158 case LPFC_INIT_MBX_CMDS:
159 case LPFC_LINK_DOWN:
160 len += snprintf(buf + len, PAGE_SIZE-len, "Link Down\n");
161 break;
162 case LPFC_LINK_UP:
163 case LPFC_LOCAL_CFG_LINK:
164 len += snprintf(buf + len, PAGE_SIZE-len, "Link Up\n");
165 break;
166 case LPFC_FLOGI:
167 case LPFC_FABRIC_CFG_LINK:
168 case LPFC_NS_REG:
169 case LPFC_NS_QRY:
170 case LPFC_BUILD_DISC_LIST:
171 case LPFC_DISC_AUTH:
172 case LPFC_CLEAR_LA:
173 len += snprintf(buf + len, PAGE_SIZE-len,
174 "Link Up - Discovery\n");
175 break;
176 case LPFC_HBA_READY:
177 len += snprintf(buf + len, PAGE_SIZE-len,
178 "Link Up - Ready:\n");
179 if (phba->fc_topology == TOPOLOGY_LOOP) {
180 if (phba->fc_flag & FC_PUBLIC_LOOP)
181 len += snprintf(buf + len, PAGE_SIZE-len,
182 " Public Loop\n");
183 else
184 len += snprintf(buf + len, PAGE_SIZE-len,
185 " Private Loop\n");
186 } else {
187 if (phba->fc_flag & FC_FABRIC)
188 len += snprintf(buf + len, PAGE_SIZE-len,
189 " Fabric\n");
190 else
191 len += snprintf(buf + len, PAGE_SIZE-len,
192 " Point-2-Point\n");
193 }
194 }
195 return len;
196}
197
198static ssize_t
199lpfc_num_discovered_ports_show(struct class_device *cdev, char *buf)
200{
201 struct Scsi_Host *host = class_to_shost(cdev);
Jamie Wellnitz7f0b5b12006-02-28 19:25:24 -0500202 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
dea31012005-04-17 16:05:31 -0500203 return snprintf(buf, PAGE_SIZE, "%d\n", phba->fc_map_cnt +
204 phba->fc_unmap_cnt);
205}
206
207
Andrew Vasquez91ca7b02005-10-27 16:03:37 -0700208static int
209lpfc_issue_lip(struct Scsi_Host *host)
dea31012005-04-17 16:05:31 -0500210{
Jamie Wellnitz7f0b5b12006-02-28 19:25:24 -0500211 struct lpfc_hba *phba = (struct lpfc_hba *) host->hostdata;
dea31012005-04-17 16:05:31 -0500212 LPFC_MBOXQ_t *pmboxq;
213 int mbxstatus = MBXERR_ERROR;
214
dea31012005-04-17 16:05:31 -0500215 if ((phba->fc_flag & FC_OFFLINE_MODE) ||
216 (phba->hba_state != LPFC_HBA_READY))
217 return -EPERM;
218
219 pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
220
221 if (!pmboxq)
222 return -ENOMEM;
223
224 memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
James Smart4db621e2006-07-06 15:49:49 -0400225 pmboxq->mb.mbxCommand = MBX_DOWN_LINK;
226 pmboxq->mb.mbxOwner = OWN_HOST;
227
James Smart33ccf8d2006-08-17 11:57:58 -0400228 mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO * 2);
dea31012005-04-17 16:05:31 -0500229
James Smart4db621e2006-07-06 15:49:49 -0400230 if ((mbxstatus == MBX_SUCCESS) && (pmboxq->mb.mbxStatus == 0)) {
231 memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
232 lpfc_init_link(phba, pmboxq, phba->cfg_topology,
233 phba->cfg_link_speed);
234 mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq,
235 phba->fc_ratov * 2);
236 }
237
dea31012005-04-17 16:05:31 -0500238 if (mbxstatus == MBX_TIMEOUT)
239 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
240 else
James.Smart@Emulex.Com433c3572005-10-28 20:28:56 -0400241 mempool_free(pmboxq, phba->mbox_mem_pool);
dea31012005-04-17 16:05:31 -0500242
243 if (mbxstatus == MBXERR_ERROR)
244 return -EIO;
245
Andrew Vasquez91ca7b02005-10-27 16:03:37 -0700246 return 0;
dea31012005-04-17 16:05:31 -0500247}
248
James Smart40496f02006-07-06 15:50:22 -0400249static int
250lpfc_selective_reset(struct lpfc_hba *phba)
251{
252 struct completion online_compl;
253 int status = 0;
254
255 init_completion(&online_compl);
256 lpfc_workq_post_event(phba, &status, &online_compl,
257 LPFC_EVT_OFFLINE);
258 wait_for_completion(&online_compl);
259
260 if (status != 0)
261 return -EIO;
262
263 init_completion(&online_compl);
264 lpfc_workq_post_event(phba, &status, &online_compl,
265 LPFC_EVT_ONLINE);
266 wait_for_completion(&online_compl);
267
268 if (status != 0)
269 return -EIO;
270
271 return 0;
272}
273
274static ssize_t
275lpfc_issue_reset(struct class_device *cdev, const char *buf, size_t count)
276{
277 struct Scsi_Host *host = class_to_shost(cdev);
278 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
279 int status = -EINVAL;
280
281 if (strncmp(buf, "selective", sizeof("selective") - 1) == 0)
282 status = lpfc_selective_reset(phba);
283
284 if (status == 0)
285 return strlen(buf);
286 else
287 return status;
288}
289
dea31012005-04-17 16:05:31 -0500290static ssize_t
291lpfc_nport_evt_cnt_show(struct class_device *cdev, char *buf)
292{
293 struct Scsi_Host *host = class_to_shost(cdev);
Jamie Wellnitz7f0b5b12006-02-28 19:25:24 -0500294 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
dea31012005-04-17 16:05:31 -0500295 return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt);
296}
297
298static ssize_t
Jamie Wellnitz41415862006-02-28 19:25:27 -0500299lpfc_board_mode_show(struct class_device *cdev, char *buf)
300{
301 struct Scsi_Host *host = class_to_shost(cdev);
302 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
303 char * state;
304
305 if (phba->hba_state == LPFC_HBA_ERROR)
306 state = "error";
307 else if (phba->hba_state == LPFC_WARM_START)
308 state = "warm start";
309 else if (phba->hba_state == LPFC_INIT_START)
310 state = "offline";
311 else
312 state = "online";
313
314 return snprintf(buf, PAGE_SIZE, "%s\n", state);
315}
316
317static ssize_t
318lpfc_board_mode_store(struct class_device *cdev, const char *buf, size_t count)
319{
320 struct Scsi_Host *host = class_to_shost(cdev);
321 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
322 struct completion online_compl;
323 int status=0;
324
325 init_completion(&online_compl);
326
327 if(strncmp(buf, "online", sizeof("online") - 1) == 0)
328 lpfc_workq_post_event(phba, &status, &online_compl,
329 LPFC_EVT_ONLINE);
330 else if (strncmp(buf, "offline", sizeof("offline") - 1) == 0)
331 lpfc_workq_post_event(phba, &status, &online_compl,
332 LPFC_EVT_OFFLINE);
333 else if (strncmp(buf, "warm", sizeof("warm") - 1) == 0)
334 lpfc_workq_post_event(phba, &status, &online_compl,
335 LPFC_EVT_WARM_START);
336 else if (strncmp(buf, "error", sizeof("error") - 1) == 0)
337 lpfc_workq_post_event(phba, &status, &online_compl,
338 LPFC_EVT_KILL);
339 else
340 return -EINVAL;
341
342 wait_for_completion(&online_compl);
343
344 if (!status)
345 return strlen(buf);
346 else
347 return -EIO;
348}
349
350static ssize_t
James.Smart@Emulex.Com875fbdf2005-11-29 16:32:13 -0500351lpfc_poll_show(struct class_device *cdev, char *buf)
352{
353 struct Scsi_Host *host = class_to_shost(cdev);
Jamie Wellnitz7f0b5b12006-02-28 19:25:24 -0500354 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
James.Smart@Emulex.Com875fbdf2005-11-29 16:32:13 -0500355
356 return snprintf(buf, PAGE_SIZE, "%#x\n", phba->cfg_poll);
357}
358
359static ssize_t
360lpfc_poll_store(struct class_device *cdev, const char *buf,
361 size_t count)
362{
363 struct Scsi_Host *host = class_to_shost(cdev);
Jamie Wellnitz7f0b5b12006-02-28 19:25:24 -0500364 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
James.Smart@Emulex.Com875fbdf2005-11-29 16:32:13 -0500365 uint32_t creg_val;
366 uint32_t old_val;
367 int val=0;
368
369 if (!isdigit(buf[0]))
370 return -EINVAL;
371
372 if (sscanf(buf, "%i", &val) != 1)
373 return -EINVAL;
374
375 if ((val & 0x3) != val)
376 return -EINVAL;
377
378 spin_lock_irq(phba->host->host_lock);
379
380 old_val = phba->cfg_poll;
381
382 if (val & ENABLE_FCP_RING_POLLING) {
383 if ((val & DISABLE_FCP_RING_INT) &&
384 !(old_val & DISABLE_FCP_RING_INT)) {
385 creg_val = readl(phba->HCregaddr);
386 creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
387 writel(creg_val, phba->HCregaddr);
388 readl(phba->HCregaddr); /* flush */
389
390 lpfc_poll_start_timer(phba);
391 }
392 } else if (val != 0x0) {
393 spin_unlock_irq(phba->host->host_lock);
394 return -EINVAL;
395 }
396
397 if (!(val & DISABLE_FCP_RING_INT) &&
398 (old_val & DISABLE_FCP_RING_INT))
399 {
400 spin_unlock_irq(phba->host->host_lock);
401 del_timer(&phba->fcp_poll_timer);
402 spin_lock_irq(phba->host->host_lock);
403 creg_val = readl(phba->HCregaddr);
404 creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING);
405 writel(creg_val, phba->HCregaddr);
406 readl(phba->HCregaddr); /* flush */
407 }
408
409 phba->cfg_poll = val;
410
411 spin_unlock_irq(phba->host->host_lock);
412
413 return strlen(buf);
414}
dea31012005-04-17 16:05:31 -0500415
416#define lpfc_param_show(attr) \
417static ssize_t \
418lpfc_##attr##_show(struct class_device *cdev, char *buf) \
419{ \
420 struct Scsi_Host *host = class_to_shost(cdev);\
Jamie Wellnitz7f0b5b12006-02-28 19:25:24 -0500421 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;\
dea31012005-04-17 16:05:31 -0500422 int val = 0;\
James.Smart@Emulex.Com7bcbb752005-10-28 20:29:13 -0400423 val = phba->cfg_##attr;\
424 return snprintf(buf, PAGE_SIZE, "%d\n",\
425 phba->cfg_##attr);\
dea31012005-04-17 16:05:31 -0500426}
427
James.Smart@Emulex.Com93a20f72005-10-28 20:29:32 -0400428#define lpfc_param_hex_show(attr) \
429static ssize_t \
430lpfc_##attr##_show(struct class_device *cdev, char *buf) \
431{ \
432 struct Scsi_Host *host = class_to_shost(cdev);\
Jamie Wellnitz7f0b5b12006-02-28 19:25:24 -0500433 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;\
James.Smart@Emulex.Com93a20f72005-10-28 20:29:32 -0400434 int val = 0;\
435 val = phba->cfg_##attr;\
436 return snprintf(buf, PAGE_SIZE, "%#x\n",\
437 phba->cfg_##attr);\
438}
439
James.Smart@Emulex.Com7bcbb752005-10-28 20:29:13 -0400440#define lpfc_param_init(attr, default, minval, maxval) \
441static int \
442lpfc_##attr##_init(struct lpfc_hba *phba, int val) \
443{ \
444 if (val >= minval && val <= maxval) {\
445 phba->cfg_##attr = val;\
446 return 0;\
447 }\
448 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
449 "%d:0449 lpfc_"#attr" attribute cannot be set to %d, "\
450 "allowed range is ["#minval", "#maxval"]\n", \
451 phba->brd_no, val); \
452 phba->cfg_##attr = default;\
453 return -EINVAL;\
454}
455
456#define lpfc_param_set(attr, default, minval, maxval) \
457static int \
458lpfc_##attr##_set(struct lpfc_hba *phba, int val) \
459{ \
460 if (val >= minval && val <= maxval) {\
461 phba->cfg_##attr = val;\
462 return 0;\
463 }\
464 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
465 "%d:0450 lpfc_"#attr" attribute cannot be set to %d, "\
466 "allowed range is ["#minval", "#maxval"]\n", \
467 phba->brd_no, val); \
468 return -EINVAL;\
469}
470
471#define lpfc_param_store(attr) \
dea31012005-04-17 16:05:31 -0500472static ssize_t \
473lpfc_##attr##_store(struct class_device *cdev, const char *buf, size_t count) \
474{ \
475 struct Scsi_Host *host = class_to_shost(cdev);\
Jamie Wellnitz7f0b5b12006-02-28 19:25:24 -0500476 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;\
James.Smart@Emulex.Com7bcbb752005-10-28 20:29:13 -0400477 int val=0;\
James.Smart@Emulex.Com93a20f72005-10-28 20:29:32 -0400478 if (!isdigit(buf[0]))\
479 return -EINVAL;\
480 if (sscanf(buf, "%i", &val) != 1)\
481 return -EINVAL;\
James.Smart@Emulex.Com7bcbb752005-10-28 20:29:13 -0400482 if (lpfc_##attr##_set(phba, val) == 0) \
James.Smart@Emulex.Com755c0d02005-10-28 20:29:06 -0400483 return strlen(buf);\
James.Smart@Emulex.Com7bcbb752005-10-28 20:29:13 -0400484 else \
485 return -EINVAL;\
dea31012005-04-17 16:05:31 -0500486}
487
James.Smart@Emulex.Com7bcbb752005-10-28 20:29:13 -0400488#define LPFC_ATTR(name, defval, minval, maxval, desc) \
489static int lpfc_##name = defval;\
dea31012005-04-17 16:05:31 -0500490module_param(lpfc_##name, int, 0);\
491MODULE_PARM_DESC(lpfc_##name, desc);\
James.Smart@Emulex.Com7bcbb752005-10-28 20:29:13 -0400492lpfc_param_init(name, defval, minval, maxval)
dea31012005-04-17 16:05:31 -0500493
494#define LPFC_ATTR_R(name, defval, minval, maxval, desc) \
495static int lpfc_##name = defval;\
496module_param(lpfc_##name, int, 0);\
497MODULE_PARM_DESC(lpfc_##name, desc);\
498lpfc_param_show(name)\
James.Smart@Emulex.Com7bcbb752005-10-28 20:29:13 -0400499lpfc_param_init(name, defval, minval, maxval)\
dea31012005-04-17 16:05:31 -0500500static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
501
502#define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \
503static int lpfc_##name = defval;\
504module_param(lpfc_##name, int, 0);\
505MODULE_PARM_DESC(lpfc_##name, desc);\
506lpfc_param_show(name)\
James.Smart@Emulex.Com7bcbb752005-10-28 20:29:13 -0400507lpfc_param_init(name, defval, minval, maxval)\
508lpfc_param_set(name, defval, minval, maxval)\
509lpfc_param_store(name)\
dea31012005-04-17 16:05:31 -0500510static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
511 lpfc_##name##_show, lpfc_##name##_store)
512
James.Smart@Emulex.Com93a20f72005-10-28 20:29:32 -0400513#define LPFC_ATTR_HEX_R(name, defval, minval, maxval, desc) \
514static int lpfc_##name = defval;\
515module_param(lpfc_##name, int, 0);\
516MODULE_PARM_DESC(lpfc_##name, desc);\
517lpfc_param_hex_show(name)\
518lpfc_param_init(name, defval, minval, maxval)\
519static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
520
521#define LPFC_ATTR_HEX_RW(name, defval, minval, maxval, desc) \
522static int lpfc_##name = defval;\
523module_param(lpfc_##name, int, 0);\
524MODULE_PARM_DESC(lpfc_##name, desc);\
525lpfc_param_hex_show(name)\
526lpfc_param_init(name, defval, minval, maxval)\
527lpfc_param_set(name, defval, minval, maxval)\
528lpfc_param_store(name)\
529static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
530 lpfc_##name##_show, lpfc_##name##_store)
531
dea31012005-04-17 16:05:31 -0500532static CLASS_DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL);
533static CLASS_DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL);
534static CLASS_DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL);
535static CLASS_DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL);
536static CLASS_DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL);
537static CLASS_DEVICE_ATTR(portnum, S_IRUGO, lpfc_portnum_show, NULL);
538static CLASS_DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL);
539static CLASS_DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL);
540static CLASS_DEVICE_ATTR(state, S_IRUGO, lpfc_state_show, NULL);
541static CLASS_DEVICE_ATTR(option_rom_version, S_IRUGO,
542 lpfc_option_rom_version_show, NULL);
543static CLASS_DEVICE_ATTR(num_discovered_ports, S_IRUGO,
544 lpfc_num_discovered_ports_show, NULL);
545static CLASS_DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL);
546static CLASS_DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show,
547 NULL);
548static CLASS_DEVICE_ATTR(management_version, S_IRUGO, management_version_show,
549 NULL);
Jamie Wellnitz41415862006-02-28 19:25:27 -0500550static CLASS_DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR,
551 lpfc_board_mode_show, lpfc_board_mode_store);
James Smart40496f02006-07-06 15:50:22 -0400552static CLASS_DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset);
dea31012005-04-17 16:05:31 -0500553
James Smartc3f28af2006-08-18 17:47:18 -0400554
555static char *lpfc_soft_wwpn_key = "C99G71SL8032A";
556
557static ssize_t
558lpfc_soft_wwpn_enable_store(struct class_device *cdev, const char *buf,
559 size_t count)
560{
561 struct Scsi_Host *host = class_to_shost(cdev);
562 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
563 unsigned int cnt = count;
564
565 /*
566 * We're doing a simple sanity check for soft_wwpn setting.
567 * We require that the user write a specific key to enable
568 * the soft_wwpn attribute to be settable. Once the attribute
569 * is written, the enable key resets. If further updates are
570 * desired, the key must be written again to re-enable the
571 * attribute.
572 *
573 * The "key" is not secret - it is a hardcoded string shown
574 * here. The intent is to protect against the random user or
575 * application that is just writing attributes.
576 */
577
578 /* count may include a LF at end of string */
579 if (buf[cnt-1] == '\n')
580 cnt--;
581
582 if ((cnt != strlen(lpfc_soft_wwpn_key)) ||
583 (strncmp(buf, lpfc_soft_wwpn_key, strlen(lpfc_soft_wwpn_key)) != 0))
584 return -EINVAL;
585
586 phba->soft_wwpn_enable = 1;
587 return count;
588}
589static CLASS_DEVICE_ATTR(lpfc_soft_wwpn_enable, S_IWUSR, NULL,
590 lpfc_soft_wwpn_enable_store);
591
592static ssize_t
593lpfc_soft_wwpn_show(struct class_device *cdev, char *buf)
594{
595 struct Scsi_Host *host = class_to_shost(cdev);
596 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
Randy Dunlapafc071e2006-10-23 21:47:13 -0700597 return snprintf(buf, PAGE_SIZE, "0x%llx\n",
598 (unsigned long long)phba->cfg_soft_wwpn);
James Smartc3f28af2006-08-18 17:47:18 -0400599}
600
601
602static ssize_t
603lpfc_soft_wwpn_store(struct class_device *cdev, const char *buf, size_t count)
604{
605 struct Scsi_Host *host = class_to_shost(cdev);
606 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
607 struct completion online_compl;
608 int stat1=0, stat2=0;
609 unsigned int i, j, cnt=count;
610 u8 wwpn[8];
611
612 /* count may include a LF at end of string */
613 if (buf[cnt-1] == '\n')
614 cnt--;
615
616 if (!phba->soft_wwpn_enable || (cnt < 16) || (cnt > 18) ||
617 ((cnt == 17) && (*buf++ != 'x')) ||
618 ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x'))))
619 return -EINVAL;
620
621 phba->soft_wwpn_enable = 0;
622
623 memset(wwpn, 0, sizeof(wwpn));
624
625 /* Validate and store the new name */
626 for (i=0, j=0; i < 16; i++) {
627 if ((*buf >= 'a') && (*buf <= 'f'))
628 j = ((j << 4) | ((*buf++ -'a') + 10));
629 else if ((*buf >= 'A') && (*buf <= 'F'))
630 j = ((j << 4) | ((*buf++ -'A') + 10));
631 else if ((*buf >= '0') && (*buf <= '9'))
632 j = ((j << 4) | (*buf++ -'0'));
633 else
634 return -EINVAL;
635 if (i % 2) {
636 wwpn[i/2] = j & 0xff;
637 j = 0;
638 }
639 }
640 phba->cfg_soft_wwpn = wwn_to_u64(wwpn);
641 fc_host_port_name(host) = phba->cfg_soft_wwpn;
642
643 dev_printk(KERN_NOTICE, &phba->pcidev->dev,
644 "lpfc%d: Reinitializing to use soft_wwpn\n", phba->brd_no);
645
646 init_completion(&online_compl);
647 lpfc_workq_post_event(phba, &stat1, &online_compl, LPFC_EVT_OFFLINE);
648 wait_for_completion(&online_compl);
649 if (stat1)
650 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
651 "%d:0463 lpfc_soft_wwpn attribute set failed to reinit "
652 "adapter - %d\n", phba->brd_no, stat1);
653
654 init_completion(&online_compl);
655 lpfc_workq_post_event(phba, &stat2, &online_compl, LPFC_EVT_ONLINE);
656 wait_for_completion(&online_compl);
657 if (stat2)
658 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
659 "%d:0464 lpfc_soft_wwpn attribute set failed to reinit "
660 "adapter - %d\n", phba->brd_no, stat2);
661
662 return (stat1 || stat2) ? -EIO : count;
663}
664static CLASS_DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR,\
665 lpfc_soft_wwpn_show, lpfc_soft_wwpn_store);
666
667
James.Smart@Emulex.Com875fbdf2005-11-29 16:32:13 -0500668static int lpfc_poll = 0;
669module_param(lpfc_poll, int, 0);
670MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:"
671 " 0 - none,"
672 " 1 - poll with interrupts enabled"
673 " 3 - poll and disable FCP ring interrupts");
674
675static CLASS_DEVICE_ATTR(lpfc_poll, S_IRUGO | S_IWUSR,
676 lpfc_poll_show, lpfc_poll_store);
dea31012005-04-17 16:05:31 -0500677
678/*
James Smartc01f3202006-08-18 17:47:08 -0400679# lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
680# until the timer expires. Value range is [0,255]. Default value is 30.
681*/
682static int lpfc_nodev_tmo = LPFC_DEF_DEVLOSS_TMO;
683static int lpfc_devloss_tmo = LPFC_DEF_DEVLOSS_TMO;
684module_param(lpfc_nodev_tmo, int, 0);
685MODULE_PARM_DESC(lpfc_nodev_tmo,
686 "Seconds driver will hold I/O waiting "
687 "for a device to come back");
688static ssize_t
689lpfc_nodev_tmo_show(struct class_device *cdev, char *buf)
690{
691 struct Scsi_Host *host = class_to_shost(cdev);
692 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
693 int val = 0;
694 val = phba->cfg_devloss_tmo;
695 return snprintf(buf, PAGE_SIZE, "%d\n",
696 phba->cfg_devloss_tmo);
697}
698
699static int
700lpfc_nodev_tmo_init(struct lpfc_hba *phba, int val)
701{
702 static int warned;
703 if (phba->cfg_devloss_tmo != LPFC_DEF_DEVLOSS_TMO) {
704 phba->cfg_nodev_tmo = phba->cfg_devloss_tmo;
705 if (!warned && val != LPFC_DEF_DEVLOSS_TMO) {
706 warned = 1;
707 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
708 "%d:0402 Ignoring nodev_tmo module "
709 "parameter because devloss_tmo is"
710 " set.\n",
711 phba->brd_no);
712 }
713 return 0;
714 }
715
716 if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
717 phba->cfg_nodev_tmo = val;
718 phba->cfg_devloss_tmo = val;
719 return 0;
720 }
721 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
722 "%d:0400 lpfc_nodev_tmo attribute cannot be set to %d, "
723 "allowed range is [%d, %d]\n",
724 phba->brd_no, val,
725 LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO);
726 phba->cfg_nodev_tmo = LPFC_DEF_DEVLOSS_TMO;
727 return -EINVAL;
728}
729
730static int
731lpfc_nodev_tmo_set(struct lpfc_hba *phba, int val)
732{
733 if (phba->dev_loss_tmo_changed ||
734 (lpfc_devloss_tmo != LPFC_DEF_DEVLOSS_TMO)) {
735 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
736 "%d:0401 Ignoring change to nodev_tmo "
737 "because devloss_tmo is set.\n",
738 phba->brd_no);
739 return 0;
740 }
741
742 if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
743 phba->cfg_nodev_tmo = val;
744 phba->cfg_devloss_tmo = val;
745 return 0;
746 }
747
748 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
749 "%d:0403 lpfc_nodev_tmo attribute cannot be set to %d, "
750 "allowed range is [%d, %d]\n",
751 phba->brd_no, val, LPFC_MIN_DEVLOSS_TMO,
752 LPFC_MAX_DEVLOSS_TMO);
753 return -EINVAL;
754}
755
756lpfc_param_store(nodev_tmo)
757
758static CLASS_DEVICE_ATTR(lpfc_nodev_tmo, S_IRUGO | S_IWUSR,
759 lpfc_nodev_tmo_show, lpfc_nodev_tmo_store);
760
761/*
762# lpfc_devloss_tmo: If set, it will hold all I/O errors on devices that
763# disappear until the timer expires. Value range is [0,255]. Default
764# value is 30.
765*/
766module_param(lpfc_devloss_tmo, int, 0);
767MODULE_PARM_DESC(lpfc_devloss_tmo,
768 "Seconds driver will hold I/O waiting "
769 "for a device to come back");
770lpfc_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO,
771 LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO)
772lpfc_param_show(devloss_tmo)
773static int
774lpfc_devloss_tmo_set(struct lpfc_hba *phba, int val)
775{
776 if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
777 phba->cfg_nodev_tmo = val;
778 phba->cfg_devloss_tmo = val;
779 phba->dev_loss_tmo_changed = 1;
780 return 0;
781 }
782
783 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
784 "%d:0404 lpfc_devloss_tmo attribute cannot be set to"
785 " %d, allowed range is [%d, %d]\n",
786 phba->brd_no, val, LPFC_MIN_DEVLOSS_TMO,
787 LPFC_MAX_DEVLOSS_TMO);
788 return -EINVAL;
789}
790
791lpfc_param_store(devloss_tmo)
792static CLASS_DEVICE_ATTR(lpfc_devloss_tmo, S_IRUGO | S_IWUSR,
793 lpfc_devloss_tmo_show, lpfc_devloss_tmo_store);
794
795/*
dea31012005-04-17 16:05:31 -0500796# lpfc_log_verbose: Only turn this flag on if you are willing to risk being
797# deluged with LOTS of information.
798# You can set a bit mask to record specific types of verbose messages:
799#
800# LOG_ELS 0x1 ELS events
801# LOG_DISCOVERY 0x2 Link discovery events
802# LOG_MBOX 0x4 Mailbox events
803# LOG_INIT 0x8 Initialization events
804# LOG_LINK_EVENT 0x10 Link events
dea31012005-04-17 16:05:31 -0500805# LOG_FCP 0x40 FCP traffic history
806# LOG_NODE 0x80 Node table events
807# LOG_MISC 0x400 Miscellaneous events
808# LOG_SLI 0x800 SLI events
809# LOG_CHK_COND 0x1000 FCP Check condition flag
810# LOG_LIBDFC 0x2000 LIBDFC events
811# LOG_ALL_MSG 0xffff LOG all messages
812*/
James.Smart@Emulex.Com93a20f72005-10-28 20:29:32 -0400813LPFC_ATTR_HEX_RW(log_verbose, 0x0, 0x0, 0xffff, "Verbose logging bit-mask");
dea31012005-04-17 16:05:31 -0500814
815/*
816# lun_queue_depth: This parameter is used to limit the number of outstanding
817# commands per FCP LUN. Value range is [1,128]. Default value is 30.
818*/
819LPFC_ATTR_R(lun_queue_depth, 30, 1, 128,
820 "Max number of FCP commands we can queue to a specific LUN");
821
822/*
Jamie Wellnitzb28485a2006-02-28 19:25:21 -0500823# hba_queue_depth: This parameter is used to limit the number of outstanding
824# commands per lpfc HBA. Value range is [32,8192]. If this parameter
825# value is greater than the maximum number of exchanges supported by the HBA,
826# then maximum number of exchanges supported by the HBA is used to determine
827# the hba_queue_depth.
828*/
829LPFC_ATTR_R(hba_queue_depth, 8192, 32, 8192,
830 "Max number of FCP commands we can queue to a lpfc HBA");
831
832/*
dea31012005-04-17 16:05:31 -0500833# Some disk devices have a "select ID" or "select Target" capability.
834# From a protocol standpoint "select ID" usually means select the
835# Fibre channel "ALPA". In the FC-AL Profile there is an "informative
836# annex" which contains a table that maps a "select ID" (a number
837# between 0 and 7F) to an ALPA. By default, for compatibility with
838# older drivers, the lpfc driver scans this table from low ALPA to high
839# ALPA.
840#
841# Turning on the scan-down variable (on = 1, off = 0) will
842# cause the lpfc driver to use an inverted table, effectively
843# scanning ALPAs from high to low. Value range is [0,1]. Default value is 1.
844#
845# (Note: This "select ID" functionality is a LOOP ONLY characteristic
846# and will not work across a fabric. Also this parameter will take
847# effect only in the case when ALPA map is not available.)
848*/
849LPFC_ATTR_R(scan_down, 1, 0, 1,
850 "Start scanning for devices from highest ALPA to lowest");
851
852/*
dea31012005-04-17 16:05:31 -0500853# lpfc_topology: link topology for init link
854# 0x0 = attempt loop mode then point-to-point
Jamie Wellnitz367c2712006-02-28 19:25:32 -0500855# 0x01 = internal loopback mode
dea31012005-04-17 16:05:31 -0500856# 0x02 = attempt point-to-point mode only
857# 0x04 = attempt loop mode only
858# 0x06 = attempt point-to-point mode then loop
859# Set point-to-point mode if you want to run as an N_Port.
860# Set loop mode if you want to run as an NL_Port. Value range is [0,0x6].
861# Default value is 0.
862*/
Jamie Wellnitz367c2712006-02-28 19:25:32 -0500863LPFC_ATTR_RW(topology, 0, 0, 6, "Select Fibre Channel topology");
dea31012005-04-17 16:05:31 -0500864
865/*
866# lpfc_link_speed: Link speed selection for initializing the Fibre Channel
867# connection.
868# 0 = auto select (default)
869# 1 = 1 Gigabaud
870# 2 = 2 Gigabaud
871# 4 = 4 Gigabaud
872# Value range is [0,4]. Default value is 0.
873*/
874LPFC_ATTR_R(link_speed, 0, 0, 4, "Select link speed");
875
876/*
877# lpfc_fcp_class: Determines FC class to use for the FCP protocol.
878# Value range is [2,3]. Default value is 3.
879*/
880LPFC_ATTR_R(fcp_class, 3, 2, 3,
881 "Select Fibre Channel class of service for FCP sequences");
882
883/*
884# lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range
885# is [0,1]. Default value is 0.
886*/
887LPFC_ATTR_RW(use_adisc, 0, 0, 1,
888 "Use ADISC on rediscovery to authenticate FCP devices");
889
890/*
891# lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value
892# range is [0,1]. Default value is 0.
893*/
894LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support");
895
896/*
897# lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing
898# cr_delay (msec) or cr_count outstanding commands. cr_delay can take
899# value [0,63]. cr_count can take value [0,255]. Default value of cr_delay
900# is 0. Default value of cr_count is 1. The cr_count feature is disabled if
901# cr_delay is set to 0.
902*/
Jamie Wellnitz8189fd12006-02-28 19:25:35 -0500903LPFC_ATTR_RW(cr_delay, 0, 0, 63, "A count of milliseconds after which an "
dea31012005-04-17 16:05:31 -0500904 "interrupt response is generated");
905
Jamie Wellnitz8189fd12006-02-28 19:25:35 -0500906LPFC_ATTR_RW(cr_count, 1, 1, 255, "A count of I/O completions after which an "
dea31012005-04-17 16:05:31 -0500907 "interrupt response is generated");
908
909/*
Jamie Wellnitzcf5bf972006-02-28 22:33:08 -0500910# lpfc_multi_ring_support: Determines how many rings to spread available
911# cmd/rsp IOCB entries across.
912# Value range is [1,2]. Default value is 1.
913*/
914LPFC_ATTR_R(multi_ring_support, 1, 1, 2, "Determines number of primary "
915 "SLI rings to spread IOCB entries across");
916
917/*
James Smarta4bc3372006-12-02 13:34:16 -0500918# lpfc_multi_ring_rctl: If lpfc_multi_ring_support is enabled, this
919# identifies what rctl value to configure the additional ring for.
920# Value range is [1,0xff]. Default value is 4 (Unsolicated Data).
921*/
922LPFC_ATTR_R(multi_ring_rctl, FC_UNSOL_DATA, 1,
923 255, "Identifies RCTL for additional ring configuration");
924
925/*
926# lpfc_multi_ring_type: If lpfc_multi_ring_support is enabled, this
927# identifies what type value to configure the additional ring for.
928# Value range is [1,0xff]. Default value is 5 (LLC/SNAP).
929*/
930LPFC_ATTR_R(multi_ring_type, FC_LLC_SNAP, 1,
931 255, "Identifies TYPE for additional ring configuration");
932
933/*
dea31012005-04-17 16:05:31 -0500934# lpfc_fdmi_on: controls FDMI support.
935# 0 = no FDMI support
936# 1 = support FDMI without attribute of hostname
937# 2 = support FDMI with attribute of hostname
938# Value range [0,2]. Default value is 0.
939*/
940LPFC_ATTR_RW(fdmi_on, 0, 0, 2, "Enable FDMI support");
941
942/*
943# Specifies the maximum number of ELS cmds we can have outstanding (for
944# discovery). Value range is [1,64]. Default value = 32.
945*/
Jamie Wellnitz8189fd12006-02-28 19:25:35 -0500946LPFC_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands "
dea31012005-04-17 16:05:31 -0500947 "during discovery");
948
949/*
James Smart65a29c12006-07-06 15:50:50 -0400950# lpfc_max_luns: maximum allowed LUN.
951# Value range is [0,65535]. Default value is 255.
952# NOTE: The SCSI layer might probe all allowed LUN on some old targets.
dea31012005-04-17 16:05:31 -0500953*/
James Smart65a29c12006-07-06 15:50:50 -0400954LPFC_ATTR_R(max_luns, 255, 0, 65535,
955 "Maximum allowed LUN");
dea31012005-04-17 16:05:31 -0500956
James.Smart@Emulex.Com875fbdf2005-11-29 16:32:13 -0500957/*
958# lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring.
959# Value range is [1,255], default value is 10.
960*/
961LPFC_ATTR_RW(poll_tmo, 10, 1, 255,
962 "Milliseconds driver will wait between polling FCP ring");
963
James Smartc3f28af2006-08-18 17:47:18 -0400964
dea31012005-04-17 16:05:31 -0500965struct class_device_attribute *lpfc_host_attrs[] = {
966 &class_device_attr_info,
967 &class_device_attr_serialnum,
968 &class_device_attr_modeldesc,
969 &class_device_attr_modelname,
970 &class_device_attr_programtype,
971 &class_device_attr_portnum,
972 &class_device_attr_fwrev,
973 &class_device_attr_hdw,
974 &class_device_attr_option_rom_version,
975 &class_device_attr_state,
976 &class_device_attr_num_discovered_ports,
977 &class_device_attr_lpfc_drvr_version,
978 &class_device_attr_lpfc_log_verbose,
979 &class_device_attr_lpfc_lun_queue_depth,
Jamie Wellnitzb28485a2006-02-28 19:25:21 -0500980 &class_device_attr_lpfc_hba_queue_depth,
dea31012005-04-17 16:05:31 -0500981 &class_device_attr_lpfc_nodev_tmo,
James Smartc01f3202006-08-18 17:47:08 -0400982 &class_device_attr_lpfc_devloss_tmo,
dea31012005-04-17 16:05:31 -0500983 &class_device_attr_lpfc_fcp_class,
984 &class_device_attr_lpfc_use_adisc,
985 &class_device_attr_lpfc_ack0,
986 &class_device_attr_lpfc_topology,
987 &class_device_attr_lpfc_scan_down,
988 &class_device_attr_lpfc_link_speed,
James.Smart@Emulex.Com875fbdf2005-11-29 16:32:13 -0500989 &class_device_attr_lpfc_cr_delay,
990 &class_device_attr_lpfc_cr_count,
Jamie Wellnitzcf5bf972006-02-28 22:33:08 -0500991 &class_device_attr_lpfc_multi_ring_support,
James Smarta4bc3372006-12-02 13:34:16 -0500992 &class_device_attr_lpfc_multi_ring_rctl,
993 &class_device_attr_lpfc_multi_ring_type,
dea31012005-04-17 16:05:31 -0500994 &class_device_attr_lpfc_fdmi_on,
995 &class_device_attr_lpfc_max_luns,
996 &class_device_attr_nport_evt_cnt,
997 &class_device_attr_management_version,
Jamie Wellnitz41415862006-02-28 19:25:27 -0500998 &class_device_attr_board_mode,
James Smart40496f02006-07-06 15:50:22 -0400999 &class_device_attr_issue_reset,
James.Smart@Emulex.Com875fbdf2005-11-29 16:32:13 -05001000 &class_device_attr_lpfc_poll,
1001 &class_device_attr_lpfc_poll_tmo,
James Smartc3f28af2006-08-18 17:47:18 -04001002 &class_device_attr_lpfc_soft_wwpn,
1003 &class_device_attr_lpfc_soft_wwpn_enable,
dea31012005-04-17 16:05:31 -05001004 NULL,
1005};
1006
1007static ssize_t
1008sysfs_ctlreg_write(struct kobject *kobj, char *buf, loff_t off, size_t count)
1009{
1010 size_t buf_off;
1011 struct Scsi_Host *host = class_to_shost(container_of(kobj,
1012 struct class_device, kobj));
Jamie Wellnitz7f0b5b12006-02-28 19:25:24 -05001013 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
dea31012005-04-17 16:05:31 -05001014
1015 if ((off + count) > FF_REG_AREA_SIZE)
1016 return -ERANGE;
1017
1018 if (count == 0) return 0;
1019
1020 if (off % 4 || count % 4 || (unsigned long)buf % 4)
1021 return -EINVAL;
1022
1023 spin_lock_irq(phba->host->host_lock);
1024
1025 if (!(phba->fc_flag & FC_OFFLINE_MODE)) {
1026 spin_unlock_irq(phba->host->host_lock);
1027 return -EPERM;
1028 }
1029
1030 for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t))
1031 writel(*((uint32_t *)(buf + buf_off)),
1032 phba->ctrl_regs_memmap_p + off + buf_off);
1033
1034 spin_unlock_irq(phba->host->host_lock);
1035
1036 return count;
1037}
1038
1039static ssize_t
1040sysfs_ctlreg_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
1041{
1042 size_t buf_off;
1043 uint32_t * tmp_ptr;
1044 struct Scsi_Host *host = class_to_shost(container_of(kobj,
1045 struct class_device, kobj));
Jamie Wellnitz7f0b5b12006-02-28 19:25:24 -05001046 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
dea31012005-04-17 16:05:31 -05001047
1048 if (off > FF_REG_AREA_SIZE)
1049 return -ERANGE;
1050
1051 if ((off + count) > FF_REG_AREA_SIZE)
1052 count = FF_REG_AREA_SIZE - off;
1053
1054 if (count == 0) return 0;
1055
1056 if (off % 4 || count % 4 || (unsigned long)buf % 4)
1057 return -EINVAL;
1058
1059 spin_lock_irq(phba->host->host_lock);
1060
1061 for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) {
1062 tmp_ptr = (uint32_t *)(buf + buf_off);
1063 *tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off);
1064 }
1065
1066 spin_unlock_irq(phba->host->host_lock);
1067
1068 return count;
1069}
1070
1071static struct bin_attribute sysfs_ctlreg_attr = {
1072 .attr = {
1073 .name = "ctlreg",
1074 .mode = S_IRUSR | S_IWUSR,
1075 .owner = THIS_MODULE,
1076 },
1077 .size = 256,
1078 .read = sysfs_ctlreg_read,
1079 .write = sysfs_ctlreg_write,
1080};
1081
1082
1083static void
1084sysfs_mbox_idle (struct lpfc_hba * phba)
1085{
1086 phba->sysfs_mbox.state = SMBOX_IDLE;
1087 phba->sysfs_mbox.offset = 0;
1088
1089 if (phba->sysfs_mbox.mbox) {
1090 mempool_free(phba->sysfs_mbox.mbox,
1091 phba->mbox_mem_pool);
1092 phba->sysfs_mbox.mbox = NULL;
1093 }
1094}
1095
1096static ssize_t
1097sysfs_mbox_write(struct kobject *kobj, char *buf, loff_t off, size_t count)
1098{
1099 struct Scsi_Host * host =
1100 class_to_shost(container_of(kobj, struct class_device, kobj));
Jamie Wellnitz7f0b5b12006-02-28 19:25:24 -05001101 struct lpfc_hba * phba = (struct lpfc_hba*)host->hostdata;
dea31012005-04-17 16:05:31 -05001102 struct lpfcMboxq * mbox = NULL;
1103
1104 if ((count + off) > MAILBOX_CMD_SIZE)
1105 return -ERANGE;
1106
1107 if (off % 4 || count % 4 || (unsigned long)buf % 4)
1108 return -EINVAL;
1109
1110 if (count == 0)
1111 return 0;
1112
1113 if (off == 0) {
1114 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
1115 if (!mbox)
1116 return -ENOMEM;
James Smartfc6c12b2006-03-07 15:04:19 -05001117 memset(mbox, 0, sizeof (LPFC_MBOXQ_t));
dea31012005-04-17 16:05:31 -05001118 }
1119
1120 spin_lock_irq(host->host_lock);
1121
1122 if (off == 0) {
1123 if (phba->sysfs_mbox.mbox)
1124 mempool_free(mbox, phba->mbox_mem_pool);
1125 else
1126 phba->sysfs_mbox.mbox = mbox;
1127 phba->sysfs_mbox.state = SMBOX_WRITING;
1128 } else {
1129 if (phba->sysfs_mbox.state != SMBOX_WRITING ||
1130 phba->sysfs_mbox.offset != off ||
1131 phba->sysfs_mbox.mbox == NULL ) {
1132 sysfs_mbox_idle(phba);
1133 spin_unlock_irq(host->host_lock);
James Smart8f6d98d2006-08-01 07:34:00 -04001134 return -EAGAIN;
dea31012005-04-17 16:05:31 -05001135 }
1136 }
1137
1138 memcpy((uint8_t *) & phba->sysfs_mbox.mbox->mb + off,
1139 buf, count);
1140
1141 phba->sysfs_mbox.offset = off + count;
1142
1143 spin_unlock_irq(host->host_lock);
1144
1145 return count;
1146}
1147
1148static ssize_t
1149sysfs_mbox_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
1150{
1151 struct Scsi_Host *host =
1152 class_to_shost(container_of(kobj, struct class_device,
1153 kobj));
Jamie Wellnitz7f0b5b12006-02-28 19:25:24 -05001154 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
dea31012005-04-17 16:05:31 -05001155 int rc;
1156
1157 if (off > sizeof(MAILBOX_t))
1158 return -ERANGE;
1159
1160 if ((count + off) > sizeof(MAILBOX_t))
1161 count = sizeof(MAILBOX_t) - off;
1162
1163 if (off % 4 || count % 4 || (unsigned long)buf % 4)
1164 return -EINVAL;
1165
1166 if (off && count == 0)
1167 return 0;
1168
1169 spin_lock_irq(phba->host->host_lock);
1170
1171 if (off == 0 &&
1172 phba->sysfs_mbox.state == SMBOX_WRITING &&
1173 phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) {
1174
1175 switch (phba->sysfs_mbox.mbox->mb.mbxCommand) {
1176 /* Offline only */
1177 case MBX_WRITE_NV:
1178 case MBX_INIT_LINK:
1179 case MBX_DOWN_LINK:
1180 case MBX_CONFIG_LINK:
1181 case MBX_CONFIG_RING:
1182 case MBX_RESET_RING:
1183 case MBX_UNREG_LOGIN:
1184 case MBX_CLEAR_LA:
1185 case MBX_DUMP_CONTEXT:
1186 case MBX_RUN_DIAGS:
1187 case MBX_RESTART:
1188 case MBX_FLASH_WR_ULA:
1189 case MBX_SET_MASK:
1190 case MBX_SET_SLIM:
1191 case MBX_SET_DEBUG:
1192 if (!(phba->fc_flag & FC_OFFLINE_MODE)) {
1193 printk(KERN_WARNING "mbox_read:Command 0x%x "
1194 "is illegal in on-line state\n",
1195 phba->sysfs_mbox.mbox->mb.mbxCommand);
1196 sysfs_mbox_idle(phba);
1197 spin_unlock_irq(phba->host->host_lock);
1198 return -EPERM;
1199 }
1200 case MBX_LOAD_SM:
1201 case MBX_READ_NV:
1202 case MBX_READ_CONFIG:
1203 case MBX_READ_RCONFIG:
1204 case MBX_READ_STATUS:
1205 case MBX_READ_XRI:
1206 case MBX_READ_REV:
1207 case MBX_READ_LNK_STAT:
1208 case MBX_DUMP_MEMORY:
1209 case MBX_DOWN_LOAD:
1210 case MBX_UPDATE_CFG:
Jamie Wellnitz41415862006-02-28 19:25:27 -05001211 case MBX_KILL_BOARD:
dea31012005-04-17 16:05:31 -05001212 case MBX_LOAD_AREA:
1213 case MBX_LOAD_EXP_ROM:
Jamie Wellnitz41415862006-02-28 19:25:27 -05001214 case MBX_BEACON:
1215 case MBX_DEL_LD_ENTRY:
dea31012005-04-17 16:05:31 -05001216 break;
1217 case MBX_READ_SPARM64:
1218 case MBX_READ_LA:
1219 case MBX_READ_LA64:
1220 case MBX_REG_LOGIN:
1221 case MBX_REG_LOGIN64:
1222 case MBX_CONFIG_PORT:
1223 case MBX_RUN_BIU_DIAG:
1224 printk(KERN_WARNING "mbox_read: Illegal Command 0x%x\n",
1225 phba->sysfs_mbox.mbox->mb.mbxCommand);
1226 sysfs_mbox_idle(phba);
1227 spin_unlock_irq(phba->host->host_lock);
1228 return -EPERM;
1229 default:
1230 printk(KERN_WARNING "mbox_read: Unknown Command 0x%x\n",
1231 phba->sysfs_mbox.mbox->mb.mbxCommand);
1232 sysfs_mbox_idle(phba);
1233 spin_unlock_irq(phba->host->host_lock);
1234 return -EPERM;
1235 }
1236
1237 if ((phba->fc_flag & FC_OFFLINE_MODE) ||
1238 (!(phba->sli.sli_flag & LPFC_SLI2_ACTIVE))){
1239
1240 spin_unlock_irq(phba->host->host_lock);
1241 rc = lpfc_sli_issue_mbox (phba,
1242 phba->sysfs_mbox.mbox,
1243 MBX_POLL);
1244 spin_lock_irq(phba->host->host_lock);
1245
1246 } else {
1247 spin_unlock_irq(phba->host->host_lock);
1248 rc = lpfc_sli_issue_mbox_wait (phba,
1249 phba->sysfs_mbox.mbox,
James Smarta309a6b2006-08-01 07:33:43 -04001250 lpfc_mbox_tmo_val(phba,
1251 phba->sysfs_mbox.mbox->mb.mbxCommand) * HZ);
dea31012005-04-17 16:05:31 -05001252 spin_lock_irq(phba->host->host_lock);
1253 }
1254
1255 if (rc != MBX_SUCCESS) {
1256 sysfs_mbox_idle(phba);
1257 spin_unlock_irq(host->host_lock);
James Smart8f6d98d2006-08-01 07:34:00 -04001258 return (rc == MBX_TIMEOUT) ? -ETIME : -ENODEV;
dea31012005-04-17 16:05:31 -05001259 }
1260 phba->sysfs_mbox.state = SMBOX_READING;
1261 }
1262 else if (phba->sysfs_mbox.offset != off ||
1263 phba->sysfs_mbox.state != SMBOX_READING) {
1264 printk(KERN_WARNING "mbox_read: Bad State\n");
1265 sysfs_mbox_idle(phba);
1266 spin_unlock_irq(host->host_lock);
James Smart8f6d98d2006-08-01 07:34:00 -04001267 return -EAGAIN;
dea31012005-04-17 16:05:31 -05001268 }
1269
1270 memcpy(buf, (uint8_t *) & phba->sysfs_mbox.mbox->mb + off, count);
1271
1272 phba->sysfs_mbox.offset = off + count;
1273
1274 if (phba->sysfs_mbox.offset == sizeof(MAILBOX_t))
1275 sysfs_mbox_idle(phba);
1276
1277 spin_unlock_irq(phba->host->host_lock);
1278
1279 return count;
1280}
1281
1282static struct bin_attribute sysfs_mbox_attr = {
1283 .attr = {
1284 .name = "mbox",
1285 .mode = S_IRUSR | S_IWUSR,
1286 .owner = THIS_MODULE,
1287 },
1288 .size = sizeof(MAILBOX_t),
1289 .read = sysfs_mbox_read,
1290 .write = sysfs_mbox_write,
1291};
1292
1293int
1294lpfc_alloc_sysfs_attr(struct lpfc_hba *phba)
1295{
1296 struct Scsi_Host *host = phba->host;
1297 int error;
1298
1299 error = sysfs_create_bin_file(&host->shost_classdev.kobj,
1300 &sysfs_ctlreg_attr);
1301 if (error)
1302 goto out;
1303
1304 error = sysfs_create_bin_file(&host->shost_classdev.kobj,
1305 &sysfs_mbox_attr);
1306 if (error)
1307 goto out_remove_ctlreg_attr;
1308
1309 return 0;
1310out_remove_ctlreg_attr:
1311 sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_ctlreg_attr);
1312out:
1313 return error;
1314}
1315
1316void
1317lpfc_free_sysfs_attr(struct lpfc_hba *phba)
1318{
1319 struct Scsi_Host *host = phba->host;
1320
1321 sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_mbox_attr);
1322 sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_ctlreg_attr);
1323}
1324
1325
1326/*
1327 * Dynamic FC Host Attributes Support
1328 */
1329
1330static void
1331lpfc_get_host_port_id(struct Scsi_Host *shost)
1332{
Jamie Wellnitz7f0b5b12006-02-28 19:25:24 -05001333 struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata;
dea31012005-04-17 16:05:31 -05001334 /* note: fc_myDID already in cpu endianness */
1335 fc_host_port_id(shost) = phba->fc_myDID;
1336}
1337
1338static void
1339lpfc_get_host_port_type(struct Scsi_Host *shost)
1340{
Jamie Wellnitz7f0b5b12006-02-28 19:25:24 -05001341 struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata;
dea31012005-04-17 16:05:31 -05001342
1343 spin_lock_irq(shost->host_lock);
1344
1345 if (phba->hba_state == LPFC_HBA_READY) {
1346 if (phba->fc_topology == TOPOLOGY_LOOP) {
1347 if (phba->fc_flag & FC_PUBLIC_LOOP)
1348 fc_host_port_type(shost) = FC_PORTTYPE_NLPORT;
1349 else
1350 fc_host_port_type(shost) = FC_PORTTYPE_LPORT;
1351 } else {
1352 if (phba->fc_flag & FC_FABRIC)
1353 fc_host_port_type(shost) = FC_PORTTYPE_NPORT;
1354 else
1355 fc_host_port_type(shost) = FC_PORTTYPE_PTP;
1356 }
1357 } else
1358 fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN;
1359
1360 spin_unlock_irq(shost->host_lock);
1361}
1362
1363static void
1364lpfc_get_host_port_state(struct Scsi_Host *shost)
1365{
Jamie Wellnitz7f0b5b12006-02-28 19:25:24 -05001366 struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata;
dea31012005-04-17 16:05:31 -05001367
1368 spin_lock_irq(shost->host_lock);
1369
1370 if (phba->fc_flag & FC_OFFLINE_MODE)
1371 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
1372 else {
1373 switch (phba->hba_state) {
Jamie Wellnitz41415862006-02-28 19:25:27 -05001374 case LPFC_STATE_UNKNOWN:
1375 case LPFC_WARM_START:
dea31012005-04-17 16:05:31 -05001376 case LPFC_INIT_START:
1377 case LPFC_INIT_MBX_CMDS:
1378 case LPFC_LINK_DOWN:
1379 fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
1380 break;
1381 case LPFC_LINK_UP:
1382 case LPFC_LOCAL_CFG_LINK:
1383 case LPFC_FLOGI:
1384 case LPFC_FABRIC_CFG_LINK:
1385 case LPFC_NS_REG:
1386 case LPFC_NS_QRY:
1387 case LPFC_BUILD_DISC_LIST:
1388 case LPFC_DISC_AUTH:
1389 case LPFC_CLEAR_LA:
1390 case LPFC_HBA_READY:
1391 /* Links up, beyond this port_type reports state */
1392 fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
1393 break;
1394 case LPFC_HBA_ERROR:
1395 fc_host_port_state(shost) = FC_PORTSTATE_ERROR;
1396 break;
1397 default:
1398 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
1399 break;
1400 }
1401 }
1402
1403 spin_unlock_irq(shost->host_lock);
1404}
1405
1406static void
1407lpfc_get_host_speed(struct Scsi_Host *shost)
1408{
Jamie Wellnitz7f0b5b12006-02-28 19:25:24 -05001409 struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata;
dea31012005-04-17 16:05:31 -05001410
1411 spin_lock_irq(shost->host_lock);
1412
1413 if (phba->hba_state == LPFC_HBA_READY) {
1414 switch(phba->fc_linkspeed) {
1415 case LA_1GHZ_LINK:
1416 fc_host_speed(shost) = FC_PORTSPEED_1GBIT;
1417 break;
1418 case LA_2GHZ_LINK:
1419 fc_host_speed(shost) = FC_PORTSPEED_2GBIT;
1420 break;
1421 case LA_4GHZ_LINK:
1422 fc_host_speed(shost) = FC_PORTSPEED_4GBIT;
1423 break;
1424 default:
1425 fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
1426 break;
1427 }
1428 }
1429
1430 spin_unlock_irq(shost->host_lock);
1431}
1432
1433static void
1434lpfc_get_host_fabric_name (struct Scsi_Host *shost)
1435{
Jamie Wellnitz7f0b5b12006-02-28 19:25:24 -05001436 struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata;
Andrew Vasquezf631b4b2005-08-31 15:23:12 -07001437 u64 node_name;
dea31012005-04-17 16:05:31 -05001438
1439 spin_lock_irq(shost->host_lock);
1440
1441 if ((phba->fc_flag & FC_FABRIC) ||
1442 ((phba->fc_topology == TOPOLOGY_LOOP) &&
1443 (phba->fc_flag & FC_PUBLIC_LOOP)))
Andrew Morton68ce1eb2005-09-21 09:46:54 -07001444 node_name = wwn_to_u64(phba->fc_fabparam.nodeName.u.wwn);
dea31012005-04-17 16:05:31 -05001445 else
1446 /* fabric is local port if there is no F/FL_Port */
Andrew Morton68ce1eb2005-09-21 09:46:54 -07001447 node_name = wwn_to_u64(phba->fc_nodename.u.wwn);
dea31012005-04-17 16:05:31 -05001448
1449 spin_unlock_irq(shost->host_lock);
1450
Andrew Vasquezf631b4b2005-08-31 15:23:12 -07001451 fc_host_fabric_name(shost) = node_name;
dea31012005-04-17 16:05:31 -05001452}
1453
James Smartae367642006-08-18 17:46:53 -04001454static void
1455lpfc_get_host_symbolic_name (struct Scsi_Host *shost)
1456{
1457 struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata;
1458
1459 spin_lock_irq(shost->host_lock);
1460 lpfc_get_hba_sym_node_name(phba, fc_host_symbolic_name(shost));
1461 spin_unlock_irq(shost->host_lock);
1462}
dea31012005-04-17 16:05:31 -05001463
1464static struct fc_host_statistics *
1465lpfc_get_stats(struct Scsi_Host *shost)
1466{
Jamie Wellnitz7f0b5b12006-02-28 19:25:24 -05001467 struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata;
dea31012005-04-17 16:05:31 -05001468 struct lpfc_sli *psli = &phba->sli;
James.Smart@Emulex.Comf888ba32005-08-10 15:03:01 -04001469 struct fc_host_statistics *hs = &phba->link_stats;
James Smart64ba8812006-08-02 15:24:34 -04001470 struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets;
dea31012005-04-17 16:05:31 -05001471 LPFC_MBOXQ_t *pmboxq;
1472 MAILBOX_t *pmb;
James Smart64ba8812006-08-02 15:24:34 -04001473 unsigned long seconds;
James.Smart@Emulex.Com433c3572005-10-28 20:28:56 -04001474 int rc = 0;
dea31012005-04-17 16:05:31 -05001475
1476 pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
1477 if (!pmboxq)
1478 return NULL;
1479 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
1480
1481 pmb = &pmboxq->mb;
1482 pmb->mbxCommand = MBX_READ_STATUS;
1483 pmb->mbxOwner = OWN_HOST;
1484 pmboxq->context1 = NULL;
1485
1486 if ((phba->fc_flag & FC_OFFLINE_MODE) ||
James.Smart@Emulex.Com433c3572005-10-28 20:28:56 -04001487 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
dea31012005-04-17 16:05:31 -05001488 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
James.Smart@Emulex.Com433c3572005-10-28 20:28:56 -04001489 else
dea31012005-04-17 16:05:31 -05001490 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
1491
1492 if (rc != MBX_SUCCESS) {
James.Smart@Emulex.Com433c3572005-10-28 20:28:56 -04001493 if (rc == MBX_TIMEOUT)
1494 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1495 else
1496 mempool_free(pmboxq, phba->mbox_mem_pool);
dea31012005-04-17 16:05:31 -05001497 return NULL;
1498 }
1499
James.Smart@Emulex.Comf888ba32005-08-10 15:03:01 -04001500 memset(hs, 0, sizeof (struct fc_host_statistics));
1501
dea31012005-04-17 16:05:31 -05001502 hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt;
1503 hs->tx_words = (pmb->un.varRdStatus.xmitByteCnt * 256);
1504 hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt;
1505 hs->rx_words = (pmb->un.varRdStatus.rcvByteCnt * 256);
1506
James.Smart@Emulex.Com433c3572005-10-28 20:28:56 -04001507 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
dea31012005-04-17 16:05:31 -05001508 pmb->mbxCommand = MBX_READ_LNK_STAT;
1509 pmb->mbxOwner = OWN_HOST;
1510 pmboxq->context1 = NULL;
1511
1512 if ((phba->fc_flag & FC_OFFLINE_MODE) ||
James.Smart@Emulex.Com433c3572005-10-28 20:28:56 -04001513 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
dea31012005-04-17 16:05:31 -05001514 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
James.Smart@Emulex.Com433c3572005-10-28 20:28:56 -04001515 else
dea31012005-04-17 16:05:31 -05001516 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
1517
1518 if (rc != MBX_SUCCESS) {
James.Smart@Emulex.Com433c3572005-10-28 20:28:56 -04001519 if (rc == MBX_TIMEOUT)
1520 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1521 else
1522 mempool_free( pmboxq, phba->mbox_mem_pool);
dea31012005-04-17 16:05:31 -05001523 return NULL;
1524 }
1525
1526 hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
1527 hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
1528 hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
1529 hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
1530 hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
1531 hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
1532 hs->error_frames = pmb->un.varRdLnk.crcCnt;
1533
James Smart64ba8812006-08-02 15:24:34 -04001534 hs->link_failure_count -= lso->link_failure_count;
1535 hs->loss_of_sync_count -= lso->loss_of_sync_count;
1536 hs->loss_of_signal_count -= lso->loss_of_signal_count;
1537 hs->prim_seq_protocol_err_count -= lso->prim_seq_protocol_err_count;
1538 hs->invalid_tx_word_count -= lso->invalid_tx_word_count;
1539 hs->invalid_crc_count -= lso->invalid_crc_count;
1540 hs->error_frames -= lso->error_frames;
1541
dea31012005-04-17 16:05:31 -05001542 if (phba->fc_topology == TOPOLOGY_LOOP) {
1543 hs->lip_count = (phba->fc_eventTag >> 1);
James Smart64ba8812006-08-02 15:24:34 -04001544 hs->lip_count -= lso->link_events;
dea31012005-04-17 16:05:31 -05001545 hs->nos_count = -1;
1546 } else {
1547 hs->lip_count = -1;
1548 hs->nos_count = (phba->fc_eventTag >> 1);
James Smart64ba8812006-08-02 15:24:34 -04001549 hs->nos_count -= lso->link_events;
dea31012005-04-17 16:05:31 -05001550 }
1551
1552 hs->dumped_frames = -1;
1553
James Smart64ba8812006-08-02 15:24:34 -04001554 seconds = get_seconds();
1555 if (seconds < psli->stats_start)
1556 hs->seconds_since_last_reset = seconds +
1557 ((unsigned long)-1 - psli->stats_start);
1558 else
1559 hs->seconds_since_last_reset = seconds - psli->stats_start;
dea31012005-04-17 16:05:31 -05001560
1561 return hs;
1562}
1563
James Smart64ba8812006-08-02 15:24:34 -04001564static void
1565lpfc_reset_stats(struct Scsi_Host *shost)
1566{
1567 struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata;
1568 struct lpfc_sli *psli = &phba->sli;
1569 struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets;
1570 LPFC_MBOXQ_t *pmboxq;
1571 MAILBOX_t *pmb;
1572 int rc = 0;
1573
1574 pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
1575 if (!pmboxq)
1576 return;
1577 memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
1578
1579 pmb = &pmboxq->mb;
1580 pmb->mbxCommand = MBX_READ_STATUS;
1581 pmb->mbxOwner = OWN_HOST;
1582 pmb->un.varWords[0] = 0x1; /* reset request */
1583 pmboxq->context1 = NULL;
1584
1585 if ((phba->fc_flag & FC_OFFLINE_MODE) ||
1586 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
1587 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
1588 else
1589 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
1590
1591 if (rc != MBX_SUCCESS) {
1592 if (rc == MBX_TIMEOUT)
1593 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1594 else
1595 mempool_free(pmboxq, phba->mbox_mem_pool);
1596 return;
1597 }
1598
1599 memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
1600 pmb->mbxCommand = MBX_READ_LNK_STAT;
1601 pmb->mbxOwner = OWN_HOST;
1602 pmboxq->context1 = NULL;
1603
1604 if ((phba->fc_flag & FC_OFFLINE_MODE) ||
1605 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
1606 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
1607 else
1608 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
1609
1610 if (rc != MBX_SUCCESS) {
1611 if (rc == MBX_TIMEOUT)
1612 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1613 else
1614 mempool_free( pmboxq, phba->mbox_mem_pool);
1615 return;
1616 }
1617
1618 lso->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
1619 lso->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
1620 lso->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
1621 lso->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
1622 lso->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
1623 lso->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
1624 lso->error_frames = pmb->un.varRdLnk.crcCnt;
1625 lso->link_events = (phba->fc_eventTag >> 1);
1626
1627 psli->stats_start = get_seconds();
1628
1629 return;
1630}
dea31012005-04-17 16:05:31 -05001631
1632/*
1633 * The LPFC driver treats linkdown handling as target loss events so there
1634 * are no sysfs handlers for link_down_tmo.
1635 */
1636static void
1637lpfc_get_starget_port_id(struct scsi_target *starget)
1638{
1639 struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
Jamie Wellnitz7f0b5b12006-02-28 19:25:24 -05001640 struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata;
dea31012005-04-17 16:05:31 -05001641 uint32_t did = -1;
1642 struct lpfc_nodelist *ndlp = NULL;
1643
1644 spin_lock_irq(shost->host_lock);
1645 /* Search the mapped list for this target ID */
1646 list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
1647 if (starget->id == ndlp->nlp_sid) {
1648 did = ndlp->nlp_DID;
1649 break;
1650 }
1651 }
1652 spin_unlock_irq(shost->host_lock);
1653
1654 fc_starget_port_id(starget) = did;
1655}
1656
1657static void
1658lpfc_get_starget_node_name(struct scsi_target *starget)
1659{
1660 struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
Jamie Wellnitz7f0b5b12006-02-28 19:25:24 -05001661 struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata;
Andrew Vasquezf631b4b2005-08-31 15:23:12 -07001662 u64 node_name = 0;
dea31012005-04-17 16:05:31 -05001663 struct lpfc_nodelist *ndlp = NULL;
1664
1665 spin_lock_irq(shost->host_lock);
1666 /* Search the mapped list for this target ID */
1667 list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
1668 if (starget->id == ndlp->nlp_sid) {
Andrew Morton68ce1eb2005-09-21 09:46:54 -07001669 node_name = wwn_to_u64(ndlp->nlp_nodename.u.wwn);
dea31012005-04-17 16:05:31 -05001670 break;
1671 }
1672 }
1673 spin_unlock_irq(shost->host_lock);
1674
Andrew Vasquezf631b4b2005-08-31 15:23:12 -07001675 fc_starget_node_name(starget) = node_name;
dea31012005-04-17 16:05:31 -05001676}
1677
1678static void
1679lpfc_get_starget_port_name(struct scsi_target *starget)
1680{
1681 struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
Jamie Wellnitz7f0b5b12006-02-28 19:25:24 -05001682 struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata;
Andrew Vasquezf631b4b2005-08-31 15:23:12 -07001683 u64 port_name = 0;
dea31012005-04-17 16:05:31 -05001684 struct lpfc_nodelist *ndlp = NULL;
1685
1686 spin_lock_irq(shost->host_lock);
1687 /* Search the mapped list for this target ID */
1688 list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
1689 if (starget->id == ndlp->nlp_sid) {
Andrew Morton68ce1eb2005-09-21 09:46:54 -07001690 port_name = wwn_to_u64(ndlp->nlp_portname.u.wwn);
dea31012005-04-17 16:05:31 -05001691 break;
1692 }
1693 }
1694 spin_unlock_irq(shost->host_lock);
1695
Andrew Vasquezf631b4b2005-08-31 15:23:12 -07001696 fc_starget_port_name(starget) = port_name;
dea31012005-04-17 16:05:31 -05001697}
1698
1699static void
dea31012005-04-17 16:05:31 -05001700lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
1701{
dea31012005-04-17 16:05:31 -05001702 if (timeout)
James Smartc01f3202006-08-18 17:47:08 -04001703 rport->dev_loss_tmo = timeout;
dea31012005-04-17 16:05:31 -05001704 else
James Smartc01f3202006-08-18 17:47:08 -04001705 rport->dev_loss_tmo = 1;
dea31012005-04-17 16:05:31 -05001706}
1707
1708
1709#define lpfc_rport_show_function(field, format_string, sz, cast) \
1710static ssize_t \
1711lpfc_show_rport_##field (struct class_device *cdev, char *buf) \
1712{ \
1713 struct fc_rport *rport = transport_class_to_rport(cdev); \
1714 struct lpfc_rport_data *rdata = rport->hostdata; \
1715 return snprintf(buf, sz, format_string, \
1716 (rdata->target) ? cast rdata->target->field : 0); \
1717}
1718
1719#define lpfc_rport_rd_attr(field, format_string, sz) \
1720 lpfc_rport_show_function(field, format_string, sz, ) \
1721static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL)
1722
1723
1724struct fc_function_template lpfc_transport_functions = {
1725 /* fixed attributes the driver supports */
1726 .show_host_node_name = 1,
1727 .show_host_port_name = 1,
1728 .show_host_supported_classes = 1,
1729 .show_host_supported_fc4s = 1,
dea31012005-04-17 16:05:31 -05001730 .show_host_supported_speeds = 1,
1731 .show_host_maxframe_size = 1,
1732
1733 /* dynamic attributes the driver supports */
1734 .get_host_port_id = lpfc_get_host_port_id,
1735 .show_host_port_id = 1,
1736
1737 .get_host_port_type = lpfc_get_host_port_type,
1738 .show_host_port_type = 1,
1739
1740 .get_host_port_state = lpfc_get_host_port_state,
1741 .show_host_port_state = 1,
1742
1743 /* active_fc4s is shown but doesn't change (thus no get function) */
1744 .show_host_active_fc4s = 1,
1745
1746 .get_host_speed = lpfc_get_host_speed,
1747 .show_host_speed = 1,
1748
1749 .get_host_fabric_name = lpfc_get_host_fabric_name,
1750 .show_host_fabric_name = 1,
1751
James Smartae367642006-08-18 17:46:53 -04001752 .get_host_symbolic_name = lpfc_get_host_symbolic_name,
1753 .show_host_symbolic_name = 1,
1754
dea31012005-04-17 16:05:31 -05001755 /*
1756 * The LPFC driver treats linkdown handling as target loss events
1757 * so there are no sysfs handlers for link_down_tmo.
1758 */
1759
1760 .get_fc_host_stats = lpfc_get_stats,
James Smart64ba8812006-08-02 15:24:34 -04001761 .reset_fc_host_stats = lpfc_reset_stats,
dea31012005-04-17 16:05:31 -05001762
1763 .dd_fcrport_size = sizeof(struct lpfc_rport_data),
1764 .show_rport_maxframe_size = 1,
1765 .show_rport_supported_classes = 1,
1766
dea31012005-04-17 16:05:31 -05001767 .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
1768 .show_rport_dev_loss_tmo = 1,
1769
1770 .get_starget_port_id = lpfc_get_starget_port_id,
1771 .show_starget_port_id = 1,
1772
1773 .get_starget_node_name = lpfc_get_starget_node_name,
1774 .show_starget_node_name = 1,
1775
1776 .get_starget_port_name = lpfc_get_starget_port_name,
1777 .show_starget_port_name = 1,
Andrew Vasquez91ca7b02005-10-27 16:03:37 -07001778
1779 .issue_fc_host_lip = lpfc_issue_lip,
James Smartc01f3202006-08-18 17:47:08 -04001780 .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk,
1781 .terminate_rport_io = lpfc_terminate_rport_io,
dea31012005-04-17 16:05:31 -05001782};
1783
1784void
1785lpfc_get_cfgparam(struct lpfc_hba *phba)
1786{
James.Smart@Emulex.Com7bcbb752005-10-28 20:29:13 -04001787 lpfc_log_verbose_init(phba, lpfc_log_verbose);
1788 lpfc_cr_delay_init(phba, lpfc_cr_delay);
1789 lpfc_cr_count_init(phba, lpfc_cr_count);
Jamie Wellnitzcf5bf972006-02-28 22:33:08 -05001790 lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support);
James Smarta4bc3372006-12-02 13:34:16 -05001791 lpfc_multi_ring_rctl_init(phba, lpfc_multi_ring_rctl);
1792 lpfc_multi_ring_type_init(phba, lpfc_multi_ring_type);
James.Smart@Emulex.Com7bcbb752005-10-28 20:29:13 -04001793 lpfc_lun_queue_depth_init(phba, lpfc_lun_queue_depth);
1794 lpfc_fcp_class_init(phba, lpfc_fcp_class);
1795 lpfc_use_adisc_init(phba, lpfc_use_adisc);
1796 lpfc_ack0_init(phba, lpfc_ack0);
1797 lpfc_topology_init(phba, lpfc_topology);
1798 lpfc_scan_down_init(phba, lpfc_scan_down);
James.Smart@Emulex.Com7bcbb752005-10-28 20:29:13 -04001799 lpfc_link_speed_init(phba, lpfc_link_speed);
1800 lpfc_fdmi_on_init(phba, lpfc_fdmi_on);
1801 lpfc_discovery_threads_init(phba, lpfc_discovery_threads);
1802 lpfc_max_luns_init(phba, lpfc_max_luns);
James.Smart@Emulex.Com875fbdf2005-11-29 16:32:13 -05001803 lpfc_poll_tmo_init(phba, lpfc_poll_tmo);
James Smartc01f3202006-08-18 17:47:08 -04001804 lpfc_devloss_tmo_init(phba, lpfc_devloss_tmo);
1805 lpfc_nodev_tmo_init(phba, lpfc_nodev_tmo);
James.Smart@Emulex.Com875fbdf2005-11-29 16:32:13 -05001806 phba->cfg_poll = lpfc_poll;
James Smartc3f28af2006-08-18 17:47:18 -04001807 phba->cfg_soft_wwpn = 0L;
dea31012005-04-17 16:05:31 -05001808
1809 /*
1810 * The total number of segments is the configuration value plus 2
1811 * since the IOCB need a command and response bde.
1812 */
1813 phba->cfg_sg_seg_cnt = LPFC_SG_SEG_CNT + 2;
1814
1815 /*
1816 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
1817 * used to create the sg_dma_buf_pool must be dynamically calculated
1818 */
1819 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
1820 sizeof(struct fcp_rsp) +
1821 (phba->cfg_sg_seg_cnt * sizeof(struct ulp_bde64));
1822
1823 switch (phba->pcidev->device) {
1824 case PCI_DEVICE_ID_LP101:
1825 case PCI_DEVICE_ID_BSMB:
1826 case PCI_DEVICE_ID_ZSMB:
1827 phba->cfg_hba_queue_depth = LPFC_LP101_HBA_Q_DEPTH;
1828 break;
1829 case PCI_DEVICE_ID_RFLY:
1830 case PCI_DEVICE_ID_PFLY:
1831 case PCI_DEVICE_ID_BMID:
1832 case PCI_DEVICE_ID_ZMID:
1833 case PCI_DEVICE_ID_TFLY:
1834 phba->cfg_hba_queue_depth = LPFC_LC_HBA_Q_DEPTH;
1835 break;
1836 default:
1837 phba->cfg_hba_queue_depth = LPFC_DFT_HBA_Q_DEPTH;
1838 }
Jamie Wellnitzb28485a2006-02-28 19:25:21 -05001839
1840 if (phba->cfg_hba_queue_depth > lpfc_hba_queue_depth)
1841 lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth);
1842
dea31012005-04-17 16:05:31 -05001843 return;
1844}