blob: 0de69324212e763d021094b33ceb9ced9029138a [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.Smart@Emulex.Com875fbdf2005-11-29 16:32:13 -0500554static int lpfc_poll = 0;
555module_param(lpfc_poll, int, 0);
556MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:"
557 " 0 - none,"
558 " 1 - poll with interrupts enabled"
559 " 3 - poll and disable FCP ring interrupts");
560
561static CLASS_DEVICE_ATTR(lpfc_poll, S_IRUGO | S_IWUSR,
562 lpfc_poll_show, lpfc_poll_store);
dea31012005-04-17 16:05:31 -0500563
564/*
James Smartc01f3202006-08-18 17:47:08 -0400565# lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
566# until the timer expires. Value range is [0,255]. Default value is 30.
567*/
568static int lpfc_nodev_tmo = LPFC_DEF_DEVLOSS_TMO;
569static int lpfc_devloss_tmo = LPFC_DEF_DEVLOSS_TMO;
570module_param(lpfc_nodev_tmo, int, 0);
571MODULE_PARM_DESC(lpfc_nodev_tmo,
572 "Seconds driver will hold I/O waiting "
573 "for a device to come back");
574static ssize_t
575lpfc_nodev_tmo_show(struct class_device *cdev, char *buf)
576{
577 struct Scsi_Host *host = class_to_shost(cdev);
578 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
579 int val = 0;
580 val = phba->cfg_devloss_tmo;
581 return snprintf(buf, PAGE_SIZE, "%d\n",
582 phba->cfg_devloss_tmo);
583}
584
585static int
586lpfc_nodev_tmo_init(struct lpfc_hba *phba, int val)
587{
588 static int warned;
589 if (phba->cfg_devloss_tmo != LPFC_DEF_DEVLOSS_TMO) {
590 phba->cfg_nodev_tmo = phba->cfg_devloss_tmo;
591 if (!warned && val != LPFC_DEF_DEVLOSS_TMO) {
592 warned = 1;
593 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
594 "%d:0402 Ignoring nodev_tmo module "
595 "parameter because devloss_tmo is"
596 " set.\n",
597 phba->brd_no);
598 }
599 return 0;
600 }
601
602 if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
603 phba->cfg_nodev_tmo = val;
604 phba->cfg_devloss_tmo = val;
605 return 0;
606 }
607 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
608 "%d:0400 lpfc_nodev_tmo attribute cannot be set to %d, "
609 "allowed range is [%d, %d]\n",
610 phba->brd_no, val,
611 LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO);
612 phba->cfg_nodev_tmo = LPFC_DEF_DEVLOSS_TMO;
613 return -EINVAL;
614}
615
616static int
617lpfc_nodev_tmo_set(struct lpfc_hba *phba, int val)
618{
619 if (phba->dev_loss_tmo_changed ||
620 (lpfc_devloss_tmo != LPFC_DEF_DEVLOSS_TMO)) {
621 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
622 "%d:0401 Ignoring change to nodev_tmo "
623 "because devloss_tmo is set.\n",
624 phba->brd_no);
625 return 0;
626 }
627
628 if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
629 phba->cfg_nodev_tmo = val;
630 phba->cfg_devloss_tmo = val;
631 return 0;
632 }
633
634 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
635 "%d:0403 lpfc_nodev_tmo attribute cannot be set to %d, "
636 "allowed range is [%d, %d]\n",
637 phba->brd_no, val, LPFC_MIN_DEVLOSS_TMO,
638 LPFC_MAX_DEVLOSS_TMO);
639 return -EINVAL;
640}
641
642lpfc_param_store(nodev_tmo)
643
644static CLASS_DEVICE_ATTR(lpfc_nodev_tmo, S_IRUGO | S_IWUSR,
645 lpfc_nodev_tmo_show, lpfc_nodev_tmo_store);
646
647/*
648# lpfc_devloss_tmo: If set, it will hold all I/O errors on devices that
649# disappear until the timer expires. Value range is [0,255]. Default
650# value is 30.
651*/
652module_param(lpfc_devloss_tmo, int, 0);
653MODULE_PARM_DESC(lpfc_devloss_tmo,
654 "Seconds driver will hold I/O waiting "
655 "for a device to come back");
656lpfc_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO,
657 LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO)
658lpfc_param_show(devloss_tmo)
659static int
660lpfc_devloss_tmo_set(struct lpfc_hba *phba, int val)
661{
662 if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) {
663 phba->cfg_nodev_tmo = val;
664 phba->cfg_devloss_tmo = val;
665 phba->dev_loss_tmo_changed = 1;
666 return 0;
667 }
668
669 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
670 "%d:0404 lpfc_devloss_tmo attribute cannot be set to"
671 " %d, allowed range is [%d, %d]\n",
672 phba->brd_no, val, LPFC_MIN_DEVLOSS_TMO,
673 LPFC_MAX_DEVLOSS_TMO);
674 return -EINVAL;
675}
676
677lpfc_param_store(devloss_tmo)
678static CLASS_DEVICE_ATTR(lpfc_devloss_tmo, S_IRUGO | S_IWUSR,
679 lpfc_devloss_tmo_show, lpfc_devloss_tmo_store);
680
681/*
dea31012005-04-17 16:05:31 -0500682# lpfc_log_verbose: Only turn this flag on if you are willing to risk being
683# deluged with LOTS of information.
684# You can set a bit mask to record specific types of verbose messages:
685#
686# LOG_ELS 0x1 ELS events
687# LOG_DISCOVERY 0x2 Link discovery events
688# LOG_MBOX 0x4 Mailbox events
689# LOG_INIT 0x8 Initialization events
690# LOG_LINK_EVENT 0x10 Link events
691# LOG_IP 0x20 IP traffic history
692# LOG_FCP 0x40 FCP traffic history
693# LOG_NODE 0x80 Node table events
694# LOG_MISC 0x400 Miscellaneous events
695# LOG_SLI 0x800 SLI events
696# LOG_CHK_COND 0x1000 FCP Check condition flag
697# LOG_LIBDFC 0x2000 LIBDFC events
698# LOG_ALL_MSG 0xffff LOG all messages
699*/
James.Smart@Emulex.Com93a20f72005-10-28 20:29:32 -0400700LPFC_ATTR_HEX_RW(log_verbose, 0x0, 0x0, 0xffff, "Verbose logging bit-mask");
dea31012005-04-17 16:05:31 -0500701
702/*
703# lun_queue_depth: This parameter is used to limit the number of outstanding
704# commands per FCP LUN. Value range is [1,128]. Default value is 30.
705*/
706LPFC_ATTR_R(lun_queue_depth, 30, 1, 128,
707 "Max number of FCP commands we can queue to a specific LUN");
708
709/*
Jamie Wellnitzb28485a2006-02-28 19:25:21 -0500710# hba_queue_depth: This parameter is used to limit the number of outstanding
711# commands per lpfc HBA. Value range is [32,8192]. If this parameter
712# value is greater than the maximum number of exchanges supported by the HBA,
713# then maximum number of exchanges supported by the HBA is used to determine
714# the hba_queue_depth.
715*/
716LPFC_ATTR_R(hba_queue_depth, 8192, 32, 8192,
717 "Max number of FCP commands we can queue to a lpfc HBA");
718
719/*
dea31012005-04-17 16:05:31 -0500720# Some disk devices have a "select ID" or "select Target" capability.
721# From a protocol standpoint "select ID" usually means select the
722# Fibre channel "ALPA". In the FC-AL Profile there is an "informative
723# annex" which contains a table that maps a "select ID" (a number
724# between 0 and 7F) to an ALPA. By default, for compatibility with
725# older drivers, the lpfc driver scans this table from low ALPA to high
726# ALPA.
727#
728# Turning on the scan-down variable (on = 1, off = 0) will
729# cause the lpfc driver to use an inverted table, effectively
730# scanning ALPAs from high to low. Value range is [0,1]. Default value is 1.
731#
732# (Note: This "select ID" functionality is a LOOP ONLY characteristic
733# and will not work across a fabric. Also this parameter will take
734# effect only in the case when ALPA map is not available.)
735*/
736LPFC_ATTR_R(scan_down, 1, 0, 1,
737 "Start scanning for devices from highest ALPA to lowest");
738
739/*
dea31012005-04-17 16:05:31 -0500740# lpfc_topology: link topology for init link
741# 0x0 = attempt loop mode then point-to-point
Jamie Wellnitz367c2712006-02-28 19:25:32 -0500742# 0x01 = internal loopback mode
dea31012005-04-17 16:05:31 -0500743# 0x02 = attempt point-to-point mode only
744# 0x04 = attempt loop mode only
745# 0x06 = attempt point-to-point mode then loop
746# Set point-to-point mode if you want to run as an N_Port.
747# Set loop mode if you want to run as an NL_Port. Value range is [0,0x6].
748# Default value is 0.
749*/
Jamie Wellnitz367c2712006-02-28 19:25:32 -0500750LPFC_ATTR_RW(topology, 0, 0, 6, "Select Fibre Channel topology");
dea31012005-04-17 16:05:31 -0500751
752/*
753# lpfc_link_speed: Link speed selection for initializing the Fibre Channel
754# connection.
755# 0 = auto select (default)
756# 1 = 1 Gigabaud
757# 2 = 2 Gigabaud
758# 4 = 4 Gigabaud
759# Value range is [0,4]. Default value is 0.
760*/
761LPFC_ATTR_R(link_speed, 0, 0, 4, "Select link speed");
762
763/*
764# lpfc_fcp_class: Determines FC class to use for the FCP protocol.
765# Value range is [2,3]. Default value is 3.
766*/
767LPFC_ATTR_R(fcp_class, 3, 2, 3,
768 "Select Fibre Channel class of service for FCP sequences");
769
770/*
771# lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range
772# is [0,1]. Default value is 0.
773*/
774LPFC_ATTR_RW(use_adisc, 0, 0, 1,
775 "Use ADISC on rediscovery to authenticate FCP devices");
776
777/*
778# lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value
779# range is [0,1]. Default value is 0.
780*/
781LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support");
782
783/*
784# lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing
785# cr_delay (msec) or cr_count outstanding commands. cr_delay can take
786# value [0,63]. cr_count can take value [0,255]. Default value of cr_delay
787# is 0. Default value of cr_count is 1. The cr_count feature is disabled if
788# cr_delay is set to 0.
789*/
Jamie Wellnitz8189fd12006-02-28 19:25:35 -0500790LPFC_ATTR_RW(cr_delay, 0, 0, 63, "A count of milliseconds after which an "
dea31012005-04-17 16:05:31 -0500791 "interrupt response is generated");
792
Jamie Wellnitz8189fd12006-02-28 19:25:35 -0500793LPFC_ATTR_RW(cr_count, 1, 1, 255, "A count of I/O completions after which an "
dea31012005-04-17 16:05:31 -0500794 "interrupt response is generated");
795
796/*
Jamie Wellnitzcf5bf972006-02-28 22:33:08 -0500797# lpfc_multi_ring_support: Determines how many rings to spread available
798# cmd/rsp IOCB entries across.
799# Value range is [1,2]. Default value is 1.
800*/
801LPFC_ATTR_R(multi_ring_support, 1, 1, 2, "Determines number of primary "
802 "SLI rings to spread IOCB entries across");
803
804/*
dea31012005-04-17 16:05:31 -0500805# lpfc_fdmi_on: controls FDMI support.
806# 0 = no FDMI support
807# 1 = support FDMI without attribute of hostname
808# 2 = support FDMI with attribute of hostname
809# Value range [0,2]. Default value is 0.
810*/
811LPFC_ATTR_RW(fdmi_on, 0, 0, 2, "Enable FDMI support");
812
813/*
814# Specifies the maximum number of ELS cmds we can have outstanding (for
815# discovery). Value range is [1,64]. Default value = 32.
816*/
Jamie Wellnitz8189fd12006-02-28 19:25:35 -0500817LPFC_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands "
dea31012005-04-17 16:05:31 -0500818 "during discovery");
819
820/*
James Smart65a29c12006-07-06 15:50:50 -0400821# lpfc_max_luns: maximum allowed LUN.
822# Value range is [0,65535]. Default value is 255.
823# NOTE: The SCSI layer might probe all allowed LUN on some old targets.
dea31012005-04-17 16:05:31 -0500824*/
James Smart65a29c12006-07-06 15:50:50 -0400825LPFC_ATTR_R(max_luns, 255, 0, 65535,
826 "Maximum allowed LUN");
dea31012005-04-17 16:05:31 -0500827
James.Smart@Emulex.Com875fbdf2005-11-29 16:32:13 -0500828/*
829# lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring.
830# Value range is [1,255], default value is 10.
831*/
832LPFC_ATTR_RW(poll_tmo, 10, 1, 255,
833 "Milliseconds driver will wait between polling FCP ring");
834
dea31012005-04-17 16:05:31 -0500835struct class_device_attribute *lpfc_host_attrs[] = {
836 &class_device_attr_info,
837 &class_device_attr_serialnum,
838 &class_device_attr_modeldesc,
839 &class_device_attr_modelname,
840 &class_device_attr_programtype,
841 &class_device_attr_portnum,
842 &class_device_attr_fwrev,
843 &class_device_attr_hdw,
844 &class_device_attr_option_rom_version,
845 &class_device_attr_state,
846 &class_device_attr_num_discovered_ports,
847 &class_device_attr_lpfc_drvr_version,
848 &class_device_attr_lpfc_log_verbose,
849 &class_device_attr_lpfc_lun_queue_depth,
Jamie Wellnitzb28485a2006-02-28 19:25:21 -0500850 &class_device_attr_lpfc_hba_queue_depth,
dea31012005-04-17 16:05:31 -0500851 &class_device_attr_lpfc_nodev_tmo,
James Smartc01f3202006-08-18 17:47:08 -0400852 &class_device_attr_lpfc_devloss_tmo,
dea31012005-04-17 16:05:31 -0500853 &class_device_attr_lpfc_fcp_class,
854 &class_device_attr_lpfc_use_adisc,
855 &class_device_attr_lpfc_ack0,
856 &class_device_attr_lpfc_topology,
857 &class_device_attr_lpfc_scan_down,
858 &class_device_attr_lpfc_link_speed,
James.Smart@Emulex.Com875fbdf2005-11-29 16:32:13 -0500859 &class_device_attr_lpfc_cr_delay,
860 &class_device_attr_lpfc_cr_count,
Jamie Wellnitzcf5bf972006-02-28 22:33:08 -0500861 &class_device_attr_lpfc_multi_ring_support,
dea31012005-04-17 16:05:31 -0500862 &class_device_attr_lpfc_fdmi_on,
863 &class_device_attr_lpfc_max_luns,
864 &class_device_attr_nport_evt_cnt,
865 &class_device_attr_management_version,
Jamie Wellnitz41415862006-02-28 19:25:27 -0500866 &class_device_attr_board_mode,
James Smart40496f02006-07-06 15:50:22 -0400867 &class_device_attr_issue_reset,
James.Smart@Emulex.Com875fbdf2005-11-29 16:32:13 -0500868 &class_device_attr_lpfc_poll,
869 &class_device_attr_lpfc_poll_tmo,
dea31012005-04-17 16:05:31 -0500870 NULL,
871};
872
873static ssize_t
874sysfs_ctlreg_write(struct kobject *kobj, char *buf, loff_t off, size_t count)
875{
876 size_t buf_off;
877 struct Scsi_Host *host = class_to_shost(container_of(kobj,
878 struct class_device, kobj));
Jamie Wellnitz7f0b5b12006-02-28 19:25:24 -0500879 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
dea31012005-04-17 16:05:31 -0500880
881 if ((off + count) > FF_REG_AREA_SIZE)
882 return -ERANGE;
883
884 if (count == 0) return 0;
885
886 if (off % 4 || count % 4 || (unsigned long)buf % 4)
887 return -EINVAL;
888
889 spin_lock_irq(phba->host->host_lock);
890
891 if (!(phba->fc_flag & FC_OFFLINE_MODE)) {
892 spin_unlock_irq(phba->host->host_lock);
893 return -EPERM;
894 }
895
896 for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t))
897 writel(*((uint32_t *)(buf + buf_off)),
898 phba->ctrl_regs_memmap_p + off + buf_off);
899
900 spin_unlock_irq(phba->host->host_lock);
901
902 return count;
903}
904
905static ssize_t
906sysfs_ctlreg_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
907{
908 size_t buf_off;
909 uint32_t * tmp_ptr;
910 struct Scsi_Host *host = class_to_shost(container_of(kobj,
911 struct class_device, kobj));
Jamie Wellnitz7f0b5b12006-02-28 19:25:24 -0500912 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
dea31012005-04-17 16:05:31 -0500913
914 if (off > FF_REG_AREA_SIZE)
915 return -ERANGE;
916
917 if ((off + count) > FF_REG_AREA_SIZE)
918 count = FF_REG_AREA_SIZE - off;
919
920 if (count == 0) return 0;
921
922 if (off % 4 || count % 4 || (unsigned long)buf % 4)
923 return -EINVAL;
924
925 spin_lock_irq(phba->host->host_lock);
926
927 for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) {
928 tmp_ptr = (uint32_t *)(buf + buf_off);
929 *tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off);
930 }
931
932 spin_unlock_irq(phba->host->host_lock);
933
934 return count;
935}
936
937static struct bin_attribute sysfs_ctlreg_attr = {
938 .attr = {
939 .name = "ctlreg",
940 .mode = S_IRUSR | S_IWUSR,
941 .owner = THIS_MODULE,
942 },
943 .size = 256,
944 .read = sysfs_ctlreg_read,
945 .write = sysfs_ctlreg_write,
946};
947
948
949static void
950sysfs_mbox_idle (struct lpfc_hba * phba)
951{
952 phba->sysfs_mbox.state = SMBOX_IDLE;
953 phba->sysfs_mbox.offset = 0;
954
955 if (phba->sysfs_mbox.mbox) {
956 mempool_free(phba->sysfs_mbox.mbox,
957 phba->mbox_mem_pool);
958 phba->sysfs_mbox.mbox = NULL;
959 }
960}
961
962static ssize_t
963sysfs_mbox_write(struct kobject *kobj, char *buf, loff_t off, size_t count)
964{
965 struct Scsi_Host * host =
966 class_to_shost(container_of(kobj, struct class_device, kobj));
Jamie Wellnitz7f0b5b12006-02-28 19:25:24 -0500967 struct lpfc_hba * phba = (struct lpfc_hba*)host->hostdata;
dea31012005-04-17 16:05:31 -0500968 struct lpfcMboxq * mbox = NULL;
969
970 if ((count + off) > MAILBOX_CMD_SIZE)
971 return -ERANGE;
972
973 if (off % 4 || count % 4 || (unsigned long)buf % 4)
974 return -EINVAL;
975
976 if (count == 0)
977 return 0;
978
979 if (off == 0) {
980 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
981 if (!mbox)
982 return -ENOMEM;
James Smartfc6c12b2006-03-07 15:04:19 -0500983 memset(mbox, 0, sizeof (LPFC_MBOXQ_t));
dea31012005-04-17 16:05:31 -0500984 }
985
986 spin_lock_irq(host->host_lock);
987
988 if (off == 0) {
989 if (phba->sysfs_mbox.mbox)
990 mempool_free(mbox, phba->mbox_mem_pool);
991 else
992 phba->sysfs_mbox.mbox = mbox;
993 phba->sysfs_mbox.state = SMBOX_WRITING;
994 } else {
995 if (phba->sysfs_mbox.state != SMBOX_WRITING ||
996 phba->sysfs_mbox.offset != off ||
997 phba->sysfs_mbox.mbox == NULL ) {
998 sysfs_mbox_idle(phba);
999 spin_unlock_irq(host->host_lock);
James Smart8f6d98d2006-08-01 07:34:00 -04001000 return -EAGAIN;
dea31012005-04-17 16:05:31 -05001001 }
1002 }
1003
1004 memcpy((uint8_t *) & phba->sysfs_mbox.mbox->mb + off,
1005 buf, count);
1006
1007 phba->sysfs_mbox.offset = off + count;
1008
1009 spin_unlock_irq(host->host_lock);
1010
1011 return count;
1012}
1013
1014static ssize_t
1015sysfs_mbox_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
1016{
1017 struct Scsi_Host *host =
1018 class_to_shost(container_of(kobj, struct class_device,
1019 kobj));
Jamie Wellnitz7f0b5b12006-02-28 19:25:24 -05001020 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;
dea31012005-04-17 16:05:31 -05001021 int rc;
1022
1023 if (off > sizeof(MAILBOX_t))
1024 return -ERANGE;
1025
1026 if ((count + off) > sizeof(MAILBOX_t))
1027 count = sizeof(MAILBOX_t) - off;
1028
1029 if (off % 4 || count % 4 || (unsigned long)buf % 4)
1030 return -EINVAL;
1031
1032 if (off && count == 0)
1033 return 0;
1034
1035 spin_lock_irq(phba->host->host_lock);
1036
1037 if (off == 0 &&
1038 phba->sysfs_mbox.state == SMBOX_WRITING &&
1039 phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) {
1040
1041 switch (phba->sysfs_mbox.mbox->mb.mbxCommand) {
1042 /* Offline only */
1043 case MBX_WRITE_NV:
1044 case MBX_INIT_LINK:
1045 case MBX_DOWN_LINK:
1046 case MBX_CONFIG_LINK:
1047 case MBX_CONFIG_RING:
1048 case MBX_RESET_RING:
1049 case MBX_UNREG_LOGIN:
1050 case MBX_CLEAR_LA:
1051 case MBX_DUMP_CONTEXT:
1052 case MBX_RUN_DIAGS:
1053 case MBX_RESTART:
1054 case MBX_FLASH_WR_ULA:
1055 case MBX_SET_MASK:
1056 case MBX_SET_SLIM:
1057 case MBX_SET_DEBUG:
1058 if (!(phba->fc_flag & FC_OFFLINE_MODE)) {
1059 printk(KERN_WARNING "mbox_read:Command 0x%x "
1060 "is illegal in on-line state\n",
1061 phba->sysfs_mbox.mbox->mb.mbxCommand);
1062 sysfs_mbox_idle(phba);
1063 spin_unlock_irq(phba->host->host_lock);
1064 return -EPERM;
1065 }
1066 case MBX_LOAD_SM:
1067 case MBX_READ_NV:
1068 case MBX_READ_CONFIG:
1069 case MBX_READ_RCONFIG:
1070 case MBX_READ_STATUS:
1071 case MBX_READ_XRI:
1072 case MBX_READ_REV:
1073 case MBX_READ_LNK_STAT:
1074 case MBX_DUMP_MEMORY:
1075 case MBX_DOWN_LOAD:
1076 case MBX_UPDATE_CFG:
Jamie Wellnitz41415862006-02-28 19:25:27 -05001077 case MBX_KILL_BOARD:
dea31012005-04-17 16:05:31 -05001078 case MBX_LOAD_AREA:
1079 case MBX_LOAD_EXP_ROM:
Jamie Wellnitz41415862006-02-28 19:25:27 -05001080 case MBX_BEACON:
1081 case MBX_DEL_LD_ENTRY:
dea31012005-04-17 16:05:31 -05001082 break;
1083 case MBX_READ_SPARM64:
1084 case MBX_READ_LA:
1085 case MBX_READ_LA64:
1086 case MBX_REG_LOGIN:
1087 case MBX_REG_LOGIN64:
1088 case MBX_CONFIG_PORT:
1089 case MBX_RUN_BIU_DIAG:
1090 printk(KERN_WARNING "mbox_read: Illegal Command 0x%x\n",
1091 phba->sysfs_mbox.mbox->mb.mbxCommand);
1092 sysfs_mbox_idle(phba);
1093 spin_unlock_irq(phba->host->host_lock);
1094 return -EPERM;
1095 default:
1096 printk(KERN_WARNING "mbox_read: Unknown Command 0x%x\n",
1097 phba->sysfs_mbox.mbox->mb.mbxCommand);
1098 sysfs_mbox_idle(phba);
1099 spin_unlock_irq(phba->host->host_lock);
1100 return -EPERM;
1101 }
1102
1103 if ((phba->fc_flag & FC_OFFLINE_MODE) ||
1104 (!(phba->sli.sli_flag & LPFC_SLI2_ACTIVE))){
1105
1106 spin_unlock_irq(phba->host->host_lock);
1107 rc = lpfc_sli_issue_mbox (phba,
1108 phba->sysfs_mbox.mbox,
1109 MBX_POLL);
1110 spin_lock_irq(phba->host->host_lock);
1111
1112 } else {
1113 spin_unlock_irq(phba->host->host_lock);
1114 rc = lpfc_sli_issue_mbox_wait (phba,
1115 phba->sysfs_mbox.mbox,
James Smarta309a6b2006-08-01 07:33:43 -04001116 lpfc_mbox_tmo_val(phba,
1117 phba->sysfs_mbox.mbox->mb.mbxCommand) * HZ);
dea31012005-04-17 16:05:31 -05001118 spin_lock_irq(phba->host->host_lock);
1119 }
1120
1121 if (rc != MBX_SUCCESS) {
1122 sysfs_mbox_idle(phba);
1123 spin_unlock_irq(host->host_lock);
James Smart8f6d98d2006-08-01 07:34:00 -04001124 return (rc == MBX_TIMEOUT) ? -ETIME : -ENODEV;
dea31012005-04-17 16:05:31 -05001125 }
1126 phba->sysfs_mbox.state = SMBOX_READING;
1127 }
1128 else if (phba->sysfs_mbox.offset != off ||
1129 phba->sysfs_mbox.state != SMBOX_READING) {
1130 printk(KERN_WARNING "mbox_read: Bad State\n");
1131 sysfs_mbox_idle(phba);
1132 spin_unlock_irq(host->host_lock);
James Smart8f6d98d2006-08-01 07:34:00 -04001133 return -EAGAIN;
dea31012005-04-17 16:05:31 -05001134 }
1135
1136 memcpy(buf, (uint8_t *) & phba->sysfs_mbox.mbox->mb + off, count);
1137
1138 phba->sysfs_mbox.offset = off + count;
1139
1140 if (phba->sysfs_mbox.offset == sizeof(MAILBOX_t))
1141 sysfs_mbox_idle(phba);
1142
1143 spin_unlock_irq(phba->host->host_lock);
1144
1145 return count;
1146}
1147
1148static struct bin_attribute sysfs_mbox_attr = {
1149 .attr = {
1150 .name = "mbox",
1151 .mode = S_IRUSR | S_IWUSR,
1152 .owner = THIS_MODULE,
1153 },
1154 .size = sizeof(MAILBOX_t),
1155 .read = sysfs_mbox_read,
1156 .write = sysfs_mbox_write,
1157};
1158
1159int
1160lpfc_alloc_sysfs_attr(struct lpfc_hba *phba)
1161{
1162 struct Scsi_Host *host = phba->host;
1163 int error;
1164
1165 error = sysfs_create_bin_file(&host->shost_classdev.kobj,
1166 &sysfs_ctlreg_attr);
1167 if (error)
1168 goto out;
1169
1170 error = sysfs_create_bin_file(&host->shost_classdev.kobj,
1171 &sysfs_mbox_attr);
1172 if (error)
1173 goto out_remove_ctlreg_attr;
1174
1175 return 0;
1176out_remove_ctlreg_attr:
1177 sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_ctlreg_attr);
1178out:
1179 return error;
1180}
1181
1182void
1183lpfc_free_sysfs_attr(struct lpfc_hba *phba)
1184{
1185 struct Scsi_Host *host = phba->host;
1186
1187 sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_mbox_attr);
1188 sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_ctlreg_attr);
1189}
1190
1191
1192/*
1193 * Dynamic FC Host Attributes Support
1194 */
1195
1196static void
1197lpfc_get_host_port_id(struct Scsi_Host *shost)
1198{
Jamie Wellnitz7f0b5b12006-02-28 19:25:24 -05001199 struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata;
dea31012005-04-17 16:05:31 -05001200 /* note: fc_myDID already in cpu endianness */
1201 fc_host_port_id(shost) = phba->fc_myDID;
1202}
1203
1204static void
1205lpfc_get_host_port_type(struct Scsi_Host *shost)
1206{
Jamie Wellnitz7f0b5b12006-02-28 19:25:24 -05001207 struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata;
dea31012005-04-17 16:05:31 -05001208
1209 spin_lock_irq(shost->host_lock);
1210
1211 if (phba->hba_state == LPFC_HBA_READY) {
1212 if (phba->fc_topology == TOPOLOGY_LOOP) {
1213 if (phba->fc_flag & FC_PUBLIC_LOOP)
1214 fc_host_port_type(shost) = FC_PORTTYPE_NLPORT;
1215 else
1216 fc_host_port_type(shost) = FC_PORTTYPE_LPORT;
1217 } else {
1218 if (phba->fc_flag & FC_FABRIC)
1219 fc_host_port_type(shost) = FC_PORTTYPE_NPORT;
1220 else
1221 fc_host_port_type(shost) = FC_PORTTYPE_PTP;
1222 }
1223 } else
1224 fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN;
1225
1226 spin_unlock_irq(shost->host_lock);
1227}
1228
1229static void
1230lpfc_get_host_port_state(struct Scsi_Host *shost)
1231{
Jamie Wellnitz7f0b5b12006-02-28 19:25:24 -05001232 struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata;
dea31012005-04-17 16:05:31 -05001233
1234 spin_lock_irq(shost->host_lock);
1235
1236 if (phba->fc_flag & FC_OFFLINE_MODE)
1237 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
1238 else {
1239 switch (phba->hba_state) {
Jamie Wellnitz41415862006-02-28 19:25:27 -05001240 case LPFC_STATE_UNKNOWN:
1241 case LPFC_WARM_START:
dea31012005-04-17 16:05:31 -05001242 case LPFC_INIT_START:
1243 case LPFC_INIT_MBX_CMDS:
1244 case LPFC_LINK_DOWN:
1245 fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
1246 break;
1247 case LPFC_LINK_UP:
1248 case LPFC_LOCAL_CFG_LINK:
1249 case LPFC_FLOGI:
1250 case LPFC_FABRIC_CFG_LINK:
1251 case LPFC_NS_REG:
1252 case LPFC_NS_QRY:
1253 case LPFC_BUILD_DISC_LIST:
1254 case LPFC_DISC_AUTH:
1255 case LPFC_CLEAR_LA:
1256 case LPFC_HBA_READY:
1257 /* Links up, beyond this port_type reports state */
1258 fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
1259 break;
1260 case LPFC_HBA_ERROR:
1261 fc_host_port_state(shost) = FC_PORTSTATE_ERROR;
1262 break;
1263 default:
1264 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
1265 break;
1266 }
1267 }
1268
1269 spin_unlock_irq(shost->host_lock);
1270}
1271
1272static void
1273lpfc_get_host_speed(struct Scsi_Host *shost)
1274{
Jamie Wellnitz7f0b5b12006-02-28 19:25:24 -05001275 struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata;
dea31012005-04-17 16:05:31 -05001276
1277 spin_lock_irq(shost->host_lock);
1278
1279 if (phba->hba_state == LPFC_HBA_READY) {
1280 switch(phba->fc_linkspeed) {
1281 case LA_1GHZ_LINK:
1282 fc_host_speed(shost) = FC_PORTSPEED_1GBIT;
1283 break;
1284 case LA_2GHZ_LINK:
1285 fc_host_speed(shost) = FC_PORTSPEED_2GBIT;
1286 break;
1287 case LA_4GHZ_LINK:
1288 fc_host_speed(shost) = FC_PORTSPEED_4GBIT;
1289 break;
1290 default:
1291 fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
1292 break;
1293 }
1294 }
1295
1296 spin_unlock_irq(shost->host_lock);
1297}
1298
1299static void
1300lpfc_get_host_fabric_name (struct Scsi_Host *shost)
1301{
Jamie Wellnitz7f0b5b12006-02-28 19:25:24 -05001302 struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata;
Andrew Vasquezf631b4b2005-08-31 15:23:12 -07001303 u64 node_name;
dea31012005-04-17 16:05:31 -05001304
1305 spin_lock_irq(shost->host_lock);
1306
1307 if ((phba->fc_flag & FC_FABRIC) ||
1308 ((phba->fc_topology == TOPOLOGY_LOOP) &&
1309 (phba->fc_flag & FC_PUBLIC_LOOP)))
Andrew Morton68ce1eb2005-09-21 09:46:54 -07001310 node_name = wwn_to_u64(phba->fc_fabparam.nodeName.u.wwn);
dea31012005-04-17 16:05:31 -05001311 else
1312 /* fabric is local port if there is no F/FL_Port */
Andrew Morton68ce1eb2005-09-21 09:46:54 -07001313 node_name = wwn_to_u64(phba->fc_nodename.u.wwn);
dea31012005-04-17 16:05:31 -05001314
1315 spin_unlock_irq(shost->host_lock);
1316
Andrew Vasquezf631b4b2005-08-31 15:23:12 -07001317 fc_host_fabric_name(shost) = node_name;
dea31012005-04-17 16:05:31 -05001318}
1319
James Smartae367642006-08-18 17:46:53 -04001320static void
1321lpfc_get_host_symbolic_name (struct Scsi_Host *shost)
1322{
1323 struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata;
1324
1325 spin_lock_irq(shost->host_lock);
1326 lpfc_get_hba_sym_node_name(phba, fc_host_symbolic_name(shost));
1327 spin_unlock_irq(shost->host_lock);
1328}
dea31012005-04-17 16:05:31 -05001329
1330static struct fc_host_statistics *
1331lpfc_get_stats(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 struct lpfc_sli *psli = &phba->sli;
James.Smart@Emulex.Comf888ba32005-08-10 15:03:01 -04001335 struct fc_host_statistics *hs = &phba->link_stats;
James Smart64ba8812006-08-02 15:24:34 -04001336 struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets;
dea31012005-04-17 16:05:31 -05001337 LPFC_MBOXQ_t *pmboxq;
1338 MAILBOX_t *pmb;
James Smart64ba8812006-08-02 15:24:34 -04001339 unsigned long seconds;
James.Smart@Emulex.Com433c3572005-10-28 20:28:56 -04001340 int rc = 0;
dea31012005-04-17 16:05:31 -05001341
1342 pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
1343 if (!pmboxq)
1344 return NULL;
1345 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
1346
1347 pmb = &pmboxq->mb;
1348 pmb->mbxCommand = MBX_READ_STATUS;
1349 pmb->mbxOwner = OWN_HOST;
1350 pmboxq->context1 = NULL;
1351
1352 if ((phba->fc_flag & FC_OFFLINE_MODE) ||
James.Smart@Emulex.Com433c3572005-10-28 20:28:56 -04001353 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
dea31012005-04-17 16:05:31 -05001354 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
James.Smart@Emulex.Com433c3572005-10-28 20:28:56 -04001355 else
dea31012005-04-17 16:05:31 -05001356 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
1357
1358 if (rc != MBX_SUCCESS) {
James.Smart@Emulex.Com433c3572005-10-28 20:28:56 -04001359 if (rc == MBX_TIMEOUT)
1360 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1361 else
1362 mempool_free(pmboxq, phba->mbox_mem_pool);
dea31012005-04-17 16:05:31 -05001363 return NULL;
1364 }
1365
James.Smart@Emulex.Comf888ba32005-08-10 15:03:01 -04001366 memset(hs, 0, sizeof (struct fc_host_statistics));
1367
dea31012005-04-17 16:05:31 -05001368 hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt;
1369 hs->tx_words = (pmb->un.varRdStatus.xmitByteCnt * 256);
1370 hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt;
1371 hs->rx_words = (pmb->un.varRdStatus.rcvByteCnt * 256);
1372
James.Smart@Emulex.Com433c3572005-10-28 20:28:56 -04001373 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
dea31012005-04-17 16:05:31 -05001374 pmb->mbxCommand = MBX_READ_LNK_STAT;
1375 pmb->mbxOwner = OWN_HOST;
1376 pmboxq->context1 = NULL;
1377
1378 if ((phba->fc_flag & FC_OFFLINE_MODE) ||
James.Smart@Emulex.Com433c3572005-10-28 20:28:56 -04001379 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
dea31012005-04-17 16:05:31 -05001380 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
James.Smart@Emulex.Com433c3572005-10-28 20:28:56 -04001381 else
dea31012005-04-17 16:05:31 -05001382 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
1383
1384 if (rc != MBX_SUCCESS) {
James.Smart@Emulex.Com433c3572005-10-28 20:28:56 -04001385 if (rc == MBX_TIMEOUT)
1386 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1387 else
1388 mempool_free( pmboxq, phba->mbox_mem_pool);
dea31012005-04-17 16:05:31 -05001389 return NULL;
1390 }
1391
1392 hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
1393 hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
1394 hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
1395 hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
1396 hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
1397 hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
1398 hs->error_frames = pmb->un.varRdLnk.crcCnt;
1399
James Smart64ba8812006-08-02 15:24:34 -04001400 hs->link_failure_count -= lso->link_failure_count;
1401 hs->loss_of_sync_count -= lso->loss_of_sync_count;
1402 hs->loss_of_signal_count -= lso->loss_of_signal_count;
1403 hs->prim_seq_protocol_err_count -= lso->prim_seq_protocol_err_count;
1404 hs->invalid_tx_word_count -= lso->invalid_tx_word_count;
1405 hs->invalid_crc_count -= lso->invalid_crc_count;
1406 hs->error_frames -= lso->error_frames;
1407
dea31012005-04-17 16:05:31 -05001408 if (phba->fc_topology == TOPOLOGY_LOOP) {
1409 hs->lip_count = (phba->fc_eventTag >> 1);
James Smart64ba8812006-08-02 15:24:34 -04001410 hs->lip_count -= lso->link_events;
dea31012005-04-17 16:05:31 -05001411 hs->nos_count = -1;
1412 } else {
1413 hs->lip_count = -1;
1414 hs->nos_count = (phba->fc_eventTag >> 1);
James Smart64ba8812006-08-02 15:24:34 -04001415 hs->nos_count -= lso->link_events;
dea31012005-04-17 16:05:31 -05001416 }
1417
1418 hs->dumped_frames = -1;
1419
James Smart64ba8812006-08-02 15:24:34 -04001420 seconds = get_seconds();
1421 if (seconds < psli->stats_start)
1422 hs->seconds_since_last_reset = seconds +
1423 ((unsigned long)-1 - psli->stats_start);
1424 else
1425 hs->seconds_since_last_reset = seconds - psli->stats_start;
dea31012005-04-17 16:05:31 -05001426
1427 return hs;
1428}
1429
James Smart64ba8812006-08-02 15:24:34 -04001430static void
1431lpfc_reset_stats(struct Scsi_Host *shost)
1432{
1433 struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata;
1434 struct lpfc_sli *psli = &phba->sli;
1435 struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets;
1436 LPFC_MBOXQ_t *pmboxq;
1437 MAILBOX_t *pmb;
1438 int rc = 0;
1439
1440 pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
1441 if (!pmboxq)
1442 return;
1443 memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
1444
1445 pmb = &pmboxq->mb;
1446 pmb->mbxCommand = MBX_READ_STATUS;
1447 pmb->mbxOwner = OWN_HOST;
1448 pmb->un.varWords[0] = 0x1; /* reset request */
1449 pmboxq->context1 = NULL;
1450
1451 if ((phba->fc_flag & FC_OFFLINE_MODE) ||
1452 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
1453 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
1454 else
1455 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
1456
1457 if (rc != MBX_SUCCESS) {
1458 if (rc == MBX_TIMEOUT)
1459 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1460 else
1461 mempool_free(pmboxq, phba->mbox_mem_pool);
1462 return;
1463 }
1464
1465 memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
1466 pmb->mbxCommand = MBX_READ_LNK_STAT;
1467 pmb->mbxOwner = OWN_HOST;
1468 pmboxq->context1 = NULL;
1469
1470 if ((phba->fc_flag & FC_OFFLINE_MODE) ||
1471 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
1472 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
1473 else
1474 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
1475
1476 if (rc != MBX_SUCCESS) {
1477 if (rc == MBX_TIMEOUT)
1478 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1479 else
1480 mempool_free( pmboxq, phba->mbox_mem_pool);
1481 return;
1482 }
1483
1484 lso->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
1485 lso->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
1486 lso->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
1487 lso->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
1488 lso->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
1489 lso->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
1490 lso->error_frames = pmb->un.varRdLnk.crcCnt;
1491 lso->link_events = (phba->fc_eventTag >> 1);
1492
1493 psli->stats_start = get_seconds();
1494
1495 return;
1496}
dea31012005-04-17 16:05:31 -05001497
1498/*
1499 * The LPFC driver treats linkdown handling as target loss events so there
1500 * are no sysfs handlers for link_down_tmo.
1501 */
1502static void
1503lpfc_get_starget_port_id(struct scsi_target *starget)
1504{
1505 struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
Jamie Wellnitz7f0b5b12006-02-28 19:25:24 -05001506 struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata;
dea31012005-04-17 16:05:31 -05001507 uint32_t did = -1;
1508 struct lpfc_nodelist *ndlp = NULL;
1509
1510 spin_lock_irq(shost->host_lock);
1511 /* Search the mapped list for this target ID */
1512 list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
1513 if (starget->id == ndlp->nlp_sid) {
1514 did = ndlp->nlp_DID;
1515 break;
1516 }
1517 }
1518 spin_unlock_irq(shost->host_lock);
1519
1520 fc_starget_port_id(starget) = did;
1521}
1522
1523static void
1524lpfc_get_starget_node_name(struct scsi_target *starget)
1525{
1526 struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
Jamie Wellnitz7f0b5b12006-02-28 19:25:24 -05001527 struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata;
Andrew Vasquezf631b4b2005-08-31 15:23:12 -07001528 u64 node_name = 0;
dea31012005-04-17 16:05:31 -05001529 struct lpfc_nodelist *ndlp = NULL;
1530
1531 spin_lock_irq(shost->host_lock);
1532 /* Search the mapped list for this target ID */
1533 list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
1534 if (starget->id == ndlp->nlp_sid) {
Andrew Morton68ce1eb2005-09-21 09:46:54 -07001535 node_name = wwn_to_u64(ndlp->nlp_nodename.u.wwn);
dea31012005-04-17 16:05:31 -05001536 break;
1537 }
1538 }
1539 spin_unlock_irq(shost->host_lock);
1540
Andrew Vasquezf631b4b2005-08-31 15:23:12 -07001541 fc_starget_node_name(starget) = node_name;
dea31012005-04-17 16:05:31 -05001542}
1543
1544static void
1545lpfc_get_starget_port_name(struct scsi_target *starget)
1546{
1547 struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
Jamie Wellnitz7f0b5b12006-02-28 19:25:24 -05001548 struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata;
Andrew Vasquezf631b4b2005-08-31 15:23:12 -07001549 u64 port_name = 0;
dea31012005-04-17 16:05:31 -05001550 struct lpfc_nodelist *ndlp = NULL;
1551
1552 spin_lock_irq(shost->host_lock);
1553 /* Search the mapped list for this target ID */
1554 list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
1555 if (starget->id == ndlp->nlp_sid) {
Andrew Morton68ce1eb2005-09-21 09:46:54 -07001556 port_name = wwn_to_u64(ndlp->nlp_portname.u.wwn);
dea31012005-04-17 16:05:31 -05001557 break;
1558 }
1559 }
1560 spin_unlock_irq(shost->host_lock);
1561
Andrew Vasquezf631b4b2005-08-31 15:23:12 -07001562 fc_starget_port_name(starget) = port_name;
dea31012005-04-17 16:05:31 -05001563}
1564
1565static void
dea31012005-04-17 16:05:31 -05001566lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
1567{
dea31012005-04-17 16:05:31 -05001568 if (timeout)
James Smartc01f3202006-08-18 17:47:08 -04001569 rport->dev_loss_tmo = timeout;
dea31012005-04-17 16:05:31 -05001570 else
James Smartc01f3202006-08-18 17:47:08 -04001571 rport->dev_loss_tmo = 1;
dea31012005-04-17 16:05:31 -05001572}
1573
1574
1575#define lpfc_rport_show_function(field, format_string, sz, cast) \
1576static ssize_t \
1577lpfc_show_rport_##field (struct class_device *cdev, char *buf) \
1578{ \
1579 struct fc_rport *rport = transport_class_to_rport(cdev); \
1580 struct lpfc_rport_data *rdata = rport->hostdata; \
1581 return snprintf(buf, sz, format_string, \
1582 (rdata->target) ? cast rdata->target->field : 0); \
1583}
1584
1585#define lpfc_rport_rd_attr(field, format_string, sz) \
1586 lpfc_rport_show_function(field, format_string, sz, ) \
1587static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL)
1588
1589
1590struct fc_function_template lpfc_transport_functions = {
1591 /* fixed attributes the driver supports */
1592 .show_host_node_name = 1,
1593 .show_host_port_name = 1,
1594 .show_host_supported_classes = 1,
1595 .show_host_supported_fc4s = 1,
dea31012005-04-17 16:05:31 -05001596 .show_host_supported_speeds = 1,
1597 .show_host_maxframe_size = 1,
1598
1599 /* dynamic attributes the driver supports */
1600 .get_host_port_id = lpfc_get_host_port_id,
1601 .show_host_port_id = 1,
1602
1603 .get_host_port_type = lpfc_get_host_port_type,
1604 .show_host_port_type = 1,
1605
1606 .get_host_port_state = lpfc_get_host_port_state,
1607 .show_host_port_state = 1,
1608
1609 /* active_fc4s is shown but doesn't change (thus no get function) */
1610 .show_host_active_fc4s = 1,
1611
1612 .get_host_speed = lpfc_get_host_speed,
1613 .show_host_speed = 1,
1614
1615 .get_host_fabric_name = lpfc_get_host_fabric_name,
1616 .show_host_fabric_name = 1,
1617
James Smartae367642006-08-18 17:46:53 -04001618 .get_host_symbolic_name = lpfc_get_host_symbolic_name,
1619 .show_host_symbolic_name = 1,
1620
dea31012005-04-17 16:05:31 -05001621 /*
1622 * The LPFC driver treats linkdown handling as target loss events
1623 * so there are no sysfs handlers for link_down_tmo.
1624 */
1625
1626 .get_fc_host_stats = lpfc_get_stats,
James Smart64ba8812006-08-02 15:24:34 -04001627 .reset_fc_host_stats = lpfc_reset_stats,
dea31012005-04-17 16:05:31 -05001628
1629 .dd_fcrport_size = sizeof(struct lpfc_rport_data),
1630 .show_rport_maxframe_size = 1,
1631 .show_rport_supported_classes = 1,
1632
dea31012005-04-17 16:05:31 -05001633 .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
1634 .show_rport_dev_loss_tmo = 1,
1635
1636 .get_starget_port_id = lpfc_get_starget_port_id,
1637 .show_starget_port_id = 1,
1638
1639 .get_starget_node_name = lpfc_get_starget_node_name,
1640 .show_starget_node_name = 1,
1641
1642 .get_starget_port_name = lpfc_get_starget_port_name,
1643 .show_starget_port_name = 1,
Andrew Vasquez91ca7b02005-10-27 16:03:37 -07001644
1645 .issue_fc_host_lip = lpfc_issue_lip,
James Smartc01f3202006-08-18 17:47:08 -04001646 .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk,
1647 .terminate_rport_io = lpfc_terminate_rport_io,
dea31012005-04-17 16:05:31 -05001648};
1649
1650void
1651lpfc_get_cfgparam(struct lpfc_hba *phba)
1652{
James.Smart@Emulex.Com7bcbb752005-10-28 20:29:13 -04001653 lpfc_log_verbose_init(phba, lpfc_log_verbose);
1654 lpfc_cr_delay_init(phba, lpfc_cr_delay);
1655 lpfc_cr_count_init(phba, lpfc_cr_count);
Jamie Wellnitzcf5bf972006-02-28 22:33:08 -05001656 lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support);
James.Smart@Emulex.Com7bcbb752005-10-28 20:29:13 -04001657 lpfc_lun_queue_depth_init(phba, lpfc_lun_queue_depth);
1658 lpfc_fcp_class_init(phba, lpfc_fcp_class);
1659 lpfc_use_adisc_init(phba, lpfc_use_adisc);
1660 lpfc_ack0_init(phba, lpfc_ack0);
1661 lpfc_topology_init(phba, lpfc_topology);
1662 lpfc_scan_down_init(phba, lpfc_scan_down);
James.Smart@Emulex.Com7bcbb752005-10-28 20:29:13 -04001663 lpfc_link_speed_init(phba, lpfc_link_speed);
1664 lpfc_fdmi_on_init(phba, lpfc_fdmi_on);
1665 lpfc_discovery_threads_init(phba, lpfc_discovery_threads);
1666 lpfc_max_luns_init(phba, lpfc_max_luns);
James.Smart@Emulex.Com875fbdf2005-11-29 16:32:13 -05001667 lpfc_poll_tmo_init(phba, lpfc_poll_tmo);
James Smartc01f3202006-08-18 17:47:08 -04001668 lpfc_devloss_tmo_init(phba, lpfc_devloss_tmo);
1669 lpfc_nodev_tmo_init(phba, lpfc_nodev_tmo);
James.Smart@Emulex.Com875fbdf2005-11-29 16:32:13 -05001670 phba->cfg_poll = lpfc_poll;
dea31012005-04-17 16:05:31 -05001671
1672 /*
1673 * The total number of segments is the configuration value plus 2
1674 * since the IOCB need a command and response bde.
1675 */
1676 phba->cfg_sg_seg_cnt = LPFC_SG_SEG_CNT + 2;
1677
1678 /*
1679 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
1680 * used to create the sg_dma_buf_pool must be dynamically calculated
1681 */
1682 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
1683 sizeof(struct fcp_rsp) +
1684 (phba->cfg_sg_seg_cnt * sizeof(struct ulp_bde64));
1685
1686 switch (phba->pcidev->device) {
1687 case PCI_DEVICE_ID_LP101:
1688 case PCI_DEVICE_ID_BSMB:
1689 case PCI_DEVICE_ID_ZSMB:
1690 phba->cfg_hba_queue_depth = LPFC_LP101_HBA_Q_DEPTH;
1691 break;
1692 case PCI_DEVICE_ID_RFLY:
1693 case PCI_DEVICE_ID_PFLY:
1694 case PCI_DEVICE_ID_BMID:
1695 case PCI_DEVICE_ID_ZMID:
1696 case PCI_DEVICE_ID_TFLY:
1697 phba->cfg_hba_queue_depth = LPFC_LC_HBA_Q_DEPTH;
1698 break;
1699 default:
1700 phba->cfg_hba_queue_depth = LPFC_DFT_HBA_Q_DEPTH;
1701 }
Jamie Wellnitzb28485a2006-02-28 19:25:21 -05001702
1703 if (phba->cfg_hba_queue_depth > lpfc_hba_queue_depth)
1704 lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth);
1705
dea31012005-04-17 16:05:31 -05001706 return;
1707}