Pull context-bitmap into release branch
[linux-2.6] / drivers / scsi / lpfc / lpfc_attr.c
1 /*******************************************************************
2  * This file is part of the Emulex Linux Device Driver for         *
3  * Fibre Channel Host Bus Adapters.                                *
4  * Copyright (C) 2004-2005 Emulex.  All rights reserved.           *
5  * EMULEX and SLI are trademarks of Emulex.                        *
6  * www.emulex.com                                                  *
7  * Portions Copyright (C) 2004-2005 Christoph Hellwig              *
8  *                                                                 *
9  * This program is free software; you can redistribute it and/or   *
10  * modify it under the terms of version 2 of the GNU General       *
11  * Public License as published by the Free Software Foundation.    *
12  * This program is distributed in the hope that it will be useful. *
13  * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
14  * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
15  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
16  * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
17  * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
18  * more details, a copy of which can be found in the file COPYING  *
19  * included with this package.                                     *
20  *******************************************************************/
21
22 #include <linux/ctype.h>
23 #include <linux/pci.h>
24 #include <linux/interrupt.h>
25
26 #include <scsi/scsi.h>
27 #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
42
43 static void
44 lpfc_jedec_to_ascii(int incr, char hdw[])
45 {
46         int i, j;
47         for (i = 0; i < 8; i++) {
48                 j = (incr & 0xf);
49                 if (j <= 9)
50                         hdw[7 - i] = 0x30 +  j;
51                  else
52                         hdw[7 - i] = 0x61 + j - 10;
53                 incr = (incr >> 4);
54         }
55         hdw[8] = 0;
56         return;
57 }
58
59 static ssize_t
60 lpfc_drvr_version_show(struct class_device *cdev, char *buf)
61 {
62         return snprintf(buf, PAGE_SIZE, LPFC_MODULE_DESC "\n");
63 }
64
65 static ssize_t
66 management_version_show(struct class_device *cdev, char *buf)
67 {
68         return snprintf(buf, PAGE_SIZE, DFC_API_VERSION "\n");
69 }
70
71 static ssize_t
72 lpfc_info_show(struct class_device *cdev, char *buf)
73 {
74         struct Scsi_Host *host = class_to_shost(cdev);
75         return snprintf(buf, PAGE_SIZE, "%s\n",lpfc_info(host));
76 }
77
78 static ssize_t
79 lpfc_serialnum_show(struct class_device *cdev, char *buf)
80 {
81         struct Scsi_Host *host = class_to_shost(cdev);
82         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
83         return snprintf(buf, PAGE_SIZE, "%s\n",phba->SerialNumber);
84 }
85
86 static ssize_t
87 lpfc_modeldesc_show(struct class_device *cdev, char *buf)
88 {
89         struct Scsi_Host *host = class_to_shost(cdev);
90         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
91         return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelDesc);
92 }
93
94 static ssize_t
95 lpfc_modelname_show(struct class_device *cdev, char *buf)
96 {
97         struct Scsi_Host *host = class_to_shost(cdev);
98         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
99         return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelName);
100 }
101
102 static ssize_t
103 lpfc_programtype_show(struct class_device *cdev, char *buf)
104 {
105         struct Scsi_Host *host = class_to_shost(cdev);
106         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
107         return snprintf(buf, PAGE_SIZE, "%s\n",phba->ProgramType);
108 }
109
110 static ssize_t
111 lpfc_portnum_show(struct class_device *cdev, char *buf)
112 {
113         struct Scsi_Host *host = class_to_shost(cdev);
114         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
115         return snprintf(buf, PAGE_SIZE, "%s\n",phba->Port);
116 }
117
118 static ssize_t
119 lpfc_fwrev_show(struct class_device *cdev, char *buf)
120 {
121         struct Scsi_Host *host = class_to_shost(cdev);
122         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
123         char fwrev[32];
124         lpfc_decode_firmware_rev(phba, fwrev, 1);
125         return snprintf(buf, PAGE_SIZE, "%s\n",fwrev);
126 }
127
128 static ssize_t
129 lpfc_hdw_show(struct class_device *cdev, char *buf)
130 {
131         char hdw[9];
132         struct Scsi_Host *host = class_to_shost(cdev);
133         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
134         lpfc_vpd_t *vp = &phba->vpd;
135         lpfc_jedec_to_ascii(vp->rev.biuRev, hdw);
136         return snprintf(buf, PAGE_SIZE, "%s\n", hdw);
137 }
138 static ssize_t
139 lpfc_option_rom_version_show(struct class_device *cdev, char *buf)
140 {
141         struct Scsi_Host *host = class_to_shost(cdev);
142         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
143         return snprintf(buf, PAGE_SIZE, "%s\n", phba->OptionROMVersion);
144 }
145 static ssize_t
146 lpfc_state_show(struct class_device *cdev, char *buf)
147 {
148         struct Scsi_Host *host = class_to_shost(cdev);
149         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
150         int len = 0;
151         switch (phba->hba_state) {
152         case LPFC_INIT_START:
153         case LPFC_INIT_MBX_CMDS:
154         case LPFC_LINK_DOWN:
155                 len += snprintf(buf + len, PAGE_SIZE-len, "Link Down\n");
156                 break;
157         case LPFC_LINK_UP:
158         case LPFC_LOCAL_CFG_LINK:
159                 len += snprintf(buf + len, PAGE_SIZE-len, "Link Up\n");
160                 break;
161         case LPFC_FLOGI:
162         case LPFC_FABRIC_CFG_LINK:
163         case LPFC_NS_REG:
164         case LPFC_NS_QRY:
165         case LPFC_BUILD_DISC_LIST:
166         case LPFC_DISC_AUTH:
167         case LPFC_CLEAR_LA:
168                 len += snprintf(buf + len, PAGE_SIZE-len,
169                                 "Link Up - Discovery\n");
170                 break;
171         case LPFC_HBA_READY:
172                 len += snprintf(buf + len, PAGE_SIZE-len,
173                                 "Link Up - Ready:\n");
174                 if (phba->fc_topology == TOPOLOGY_LOOP) {
175                         if (phba->fc_flag & FC_PUBLIC_LOOP)
176                                 len += snprintf(buf + len, PAGE_SIZE-len,
177                                                 "   Public Loop\n");
178                         else
179                                 len += snprintf(buf + len, PAGE_SIZE-len,
180                                                 "   Private Loop\n");
181                 } else {
182                         if (phba->fc_flag & FC_FABRIC)
183                                 len += snprintf(buf + len, PAGE_SIZE-len,
184                                                 "   Fabric\n");
185                         else
186                                 len += snprintf(buf + len, PAGE_SIZE-len,
187                                                 "   Point-2-Point\n");
188                 }
189         }
190         return len;
191 }
192
193 static ssize_t
194 lpfc_num_discovered_ports_show(struct class_device *cdev, char *buf)
195 {
196         struct Scsi_Host *host = class_to_shost(cdev);
197         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
198         return snprintf(buf, PAGE_SIZE, "%d\n", phba->fc_map_cnt +
199                                                         phba->fc_unmap_cnt);
200 }
201
202
203 static int
204 lpfc_issue_lip(struct Scsi_Host *host)
205 {
206         struct lpfc_hba *phba = (struct lpfc_hba *) host->hostdata[0];
207         LPFC_MBOXQ_t *pmboxq;
208         int mbxstatus = MBXERR_ERROR;
209
210         if ((phba->fc_flag & FC_OFFLINE_MODE) ||
211             (phba->hba_state != LPFC_HBA_READY))
212                 return -EPERM;
213
214         pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
215
216         if (!pmboxq)
217                 return -ENOMEM;
218
219         memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
220         lpfc_init_link(phba, pmboxq, phba->cfg_topology, phba->cfg_link_speed);
221         mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
222
223         if (mbxstatus == MBX_TIMEOUT)
224                 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
225         else
226                 mempool_free(pmboxq, phba->mbox_mem_pool);
227
228         if (mbxstatus == MBXERR_ERROR)
229                 return -EIO;
230
231         return 0;
232 }
233
234 static ssize_t
235 lpfc_nport_evt_cnt_show(struct class_device *cdev, char *buf)
236 {
237         struct Scsi_Host *host = class_to_shost(cdev);
238         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
239         return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt);
240 }
241
242 static ssize_t
243 lpfc_board_online_show(struct class_device *cdev, char *buf)
244 {
245         struct Scsi_Host *host = class_to_shost(cdev);
246         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
247
248         if (phba->fc_flag & FC_OFFLINE_MODE)
249                 return snprintf(buf, PAGE_SIZE, "0\n");
250         else
251                 return snprintf(buf, PAGE_SIZE, "1\n");
252 }
253
254 static ssize_t
255 lpfc_board_online_store(struct class_device *cdev, const char *buf,
256                                                                 size_t count)
257 {
258         struct Scsi_Host *host = class_to_shost(cdev);
259         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
260         struct completion online_compl;
261         int val=0, status=0;
262
263         if (sscanf(buf, "%d", &val) != 1)
264                 return -EINVAL;
265
266         init_completion(&online_compl);
267
268         if (val)
269                 lpfc_workq_post_event(phba, &status, &online_compl,
270                                                         LPFC_EVT_ONLINE);
271         else
272                 lpfc_workq_post_event(phba, &status, &online_compl,
273                                                         LPFC_EVT_OFFLINE);
274         wait_for_completion(&online_compl);
275         if (!status)
276                 return strlen(buf);
277         else
278                 return -EIO;
279 }
280
281
282 #define lpfc_param_show(attr)   \
283 static ssize_t \
284 lpfc_##attr##_show(struct class_device *cdev, char *buf) \
285 { \
286         struct Scsi_Host *host = class_to_shost(cdev);\
287         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];\
288         int val = 0;\
289         val = phba->cfg_##attr;\
290         return snprintf(buf, PAGE_SIZE, "%d\n",\
291                         phba->cfg_##attr);\
292 }
293
294 #define lpfc_param_hex_show(attr)       \
295 static ssize_t \
296 lpfc_##attr##_show(struct class_device *cdev, char *buf) \
297 { \
298         struct Scsi_Host *host = class_to_shost(cdev);\
299         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];\
300         int val = 0;\
301         val = phba->cfg_##attr;\
302         return snprintf(buf, PAGE_SIZE, "%#x\n",\
303                         phba->cfg_##attr);\
304 }
305
306 #define lpfc_param_init(attr, default, minval, maxval)  \
307 static int \
308 lpfc_##attr##_init(struct lpfc_hba *phba, int val) \
309 { \
310         if (val >= minval && val <= maxval) {\
311                 phba->cfg_##attr = val;\
312                 return 0;\
313         }\
314         lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
315                         "%d:0449 lpfc_"#attr" attribute cannot be set to %d, "\
316                         "allowed range is ["#minval", "#maxval"]\n", \
317                         phba->brd_no, val); \
318         phba->cfg_##attr = default;\
319         return -EINVAL;\
320 }
321
322 #define lpfc_param_set(attr, default, minval, maxval)   \
323 static int \
324 lpfc_##attr##_set(struct lpfc_hba *phba, int val) \
325 { \
326         if (val >= minval && val <= maxval) {\
327                 phba->cfg_##attr = val;\
328                 return 0;\
329         }\
330         lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
331                         "%d:0450 lpfc_"#attr" attribute cannot be set to %d, "\
332                         "allowed range is ["#minval", "#maxval"]\n", \
333                         phba->brd_no, val); \
334         return -EINVAL;\
335 }
336
337 #define lpfc_param_store(attr)  \
338 static ssize_t \
339 lpfc_##attr##_store(struct class_device *cdev, const char *buf, size_t count) \
340 { \
341         struct Scsi_Host *host = class_to_shost(cdev);\
342         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];\
343         int val=0;\
344         if (!isdigit(buf[0]))\
345                 return -EINVAL;\
346         if (sscanf(buf, "%i", &val) != 1)\
347                 return -EINVAL;\
348         if (lpfc_##attr##_set(phba, val) == 0) \
349                 return strlen(buf);\
350         else \
351                 return -EINVAL;\
352 }
353
354 #define LPFC_ATTR(name, defval, minval, maxval, desc) \
355 static int lpfc_##name = defval;\
356 module_param(lpfc_##name, int, 0);\
357 MODULE_PARM_DESC(lpfc_##name, desc);\
358 lpfc_param_init(name, defval, minval, maxval)
359
360 #define LPFC_ATTR_R(name, defval, minval, maxval, desc) \
361 static int lpfc_##name = defval;\
362 module_param(lpfc_##name, int, 0);\
363 MODULE_PARM_DESC(lpfc_##name, desc);\
364 lpfc_param_show(name)\
365 lpfc_param_init(name, defval, minval, maxval)\
366 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
367
368 #define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \
369 static int lpfc_##name = defval;\
370 module_param(lpfc_##name, int, 0);\
371 MODULE_PARM_DESC(lpfc_##name, desc);\
372 lpfc_param_show(name)\
373 lpfc_param_init(name, defval, minval, maxval)\
374 lpfc_param_set(name, defval, minval, maxval)\
375 lpfc_param_store(name)\
376 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
377                          lpfc_##name##_show, lpfc_##name##_store)
378
379 #define LPFC_ATTR_HEX_R(name, defval, minval, maxval, desc) \
380 static int lpfc_##name = defval;\
381 module_param(lpfc_##name, int, 0);\
382 MODULE_PARM_DESC(lpfc_##name, desc);\
383 lpfc_param_hex_show(name)\
384 lpfc_param_init(name, defval, minval, maxval)\
385 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
386
387 #define LPFC_ATTR_HEX_RW(name, defval, minval, maxval, desc) \
388 static int lpfc_##name = defval;\
389 module_param(lpfc_##name, int, 0);\
390 MODULE_PARM_DESC(lpfc_##name, desc);\
391 lpfc_param_hex_show(name)\
392 lpfc_param_init(name, defval, minval, maxval)\
393 lpfc_param_set(name, defval, minval, maxval)\
394 lpfc_param_store(name)\
395 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
396                          lpfc_##name##_show, lpfc_##name##_store)
397
398 static CLASS_DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL);
399 static CLASS_DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL);
400 static CLASS_DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL);
401 static CLASS_DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL);
402 static CLASS_DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL);
403 static CLASS_DEVICE_ATTR(portnum, S_IRUGO, lpfc_portnum_show, NULL);
404 static CLASS_DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL);
405 static CLASS_DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL);
406 static CLASS_DEVICE_ATTR(state, S_IRUGO, lpfc_state_show, NULL);
407 static CLASS_DEVICE_ATTR(option_rom_version, S_IRUGO,
408                                         lpfc_option_rom_version_show, NULL);
409 static CLASS_DEVICE_ATTR(num_discovered_ports, S_IRUGO,
410                                         lpfc_num_discovered_ports_show, NULL);
411 static CLASS_DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL);
412 static CLASS_DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show,
413                          NULL);
414 static CLASS_DEVICE_ATTR(management_version, S_IRUGO, management_version_show,
415                          NULL);
416 static CLASS_DEVICE_ATTR(board_online, S_IRUGO | S_IWUSR,
417                          lpfc_board_online_show, lpfc_board_online_store);
418
419
420 /*
421 # lpfc_log_verbose: Only turn this flag on if you are willing to risk being
422 # deluged with LOTS of information.
423 # You can set a bit mask to record specific types of verbose messages:
424 #
425 # LOG_ELS                       0x1        ELS events
426 # LOG_DISCOVERY                 0x2        Link discovery events
427 # LOG_MBOX                      0x4        Mailbox events
428 # LOG_INIT                      0x8        Initialization events
429 # LOG_LINK_EVENT                0x10       Link events
430 # LOG_IP                        0x20       IP traffic history
431 # LOG_FCP                       0x40       FCP traffic history
432 # LOG_NODE                      0x80       Node table events
433 # LOG_MISC                      0x400      Miscellaneous events
434 # LOG_SLI                       0x800      SLI events
435 # LOG_CHK_COND                  0x1000     FCP Check condition flag
436 # LOG_LIBDFC                    0x2000     LIBDFC events
437 # LOG_ALL_MSG                   0xffff     LOG all messages
438 */
439 LPFC_ATTR_HEX_RW(log_verbose, 0x0, 0x0, 0xffff, "Verbose logging bit-mask");
440
441 /*
442 # lun_queue_depth:  This parameter is used to limit the number of outstanding
443 # commands per FCP LUN. Value range is [1,128]. Default value is 30.
444 */
445 LPFC_ATTR_R(lun_queue_depth, 30, 1, 128,
446             "Max number of FCP commands we can queue to a specific LUN");
447
448 /*
449 # Some disk devices have a "select ID" or "select Target" capability.
450 # From a protocol standpoint "select ID" usually means select the
451 # Fibre channel "ALPA".  In the FC-AL Profile there is an "informative
452 # annex" which contains a table that maps a "select ID" (a number
453 # between 0 and 7F) to an ALPA.  By default, for compatibility with
454 # older drivers, the lpfc driver scans this table from low ALPA to high
455 # ALPA.
456 #
457 # Turning on the scan-down variable (on  = 1, off = 0) will
458 # cause the lpfc driver to use an inverted table, effectively
459 # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1.
460 #
461 # (Note: This "select ID" functionality is a LOOP ONLY characteristic
462 # and will not work across a fabric. Also this parameter will take
463 # effect only in the case when ALPA map is not available.)
464 */
465 LPFC_ATTR_R(scan_down, 1, 0, 1,
466              "Start scanning for devices from highest ALPA to lowest");
467
468 /*
469 # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
470 # until the timer expires. Value range is [0,255]. Default value is 30.
471 # NOTE: this MUST be less then the SCSI Layer command timeout - 1.
472 */
473 LPFC_ATTR_RW(nodev_tmo, 30, 0, 255,
474              "Seconds driver will hold I/O waiting for a device to come back");
475
476 /*
477 # lpfc_topology:  link topology for init link
478 #            0x0  = attempt loop mode then point-to-point
479 #            0x02 = attempt point-to-point mode only
480 #            0x04 = attempt loop mode only
481 #            0x06 = attempt point-to-point mode then loop
482 # Set point-to-point mode if you want to run as an N_Port.
483 # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6].
484 # Default value is 0.
485 */
486 LPFC_ATTR_R(topology, 0, 0, 6, "Select Fibre Channel topology");
487
488 /*
489 # lpfc_link_speed: Link speed selection for initializing the Fibre Channel
490 # connection.
491 #       0  = auto select (default)
492 #       1  = 1 Gigabaud
493 #       2  = 2 Gigabaud
494 #       4  = 4 Gigabaud
495 # Value range is [0,4]. Default value is 0.
496 */
497 LPFC_ATTR_R(link_speed, 0, 0, 4, "Select link speed");
498
499 /*
500 # lpfc_fcp_class:  Determines FC class to use for the FCP protocol.
501 # Value range is [2,3]. Default value is 3.
502 */
503 LPFC_ATTR_R(fcp_class, 3, 2, 3,
504              "Select Fibre Channel class of service for FCP sequences");
505
506 /*
507 # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range
508 # is [0,1]. Default value is 0.
509 */
510 LPFC_ATTR_RW(use_adisc, 0, 0, 1,
511              "Use ADISC on rediscovery to authenticate FCP devices");
512
513 /*
514 # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value
515 # range is [0,1]. Default value is 0.
516 */
517 LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support");
518
519 /*
520 # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing
521 # cr_delay (msec) or cr_count outstanding commands. cr_delay can take
522 # value [0,63]. cr_count can take value [0,255]. Default value of cr_delay
523 # is 0. Default value of cr_count is 1. The cr_count feature is disabled if
524 # cr_delay is set to 0.
525 */
526 LPFC_ATTR(cr_delay, 0, 0, 63, "A count of milliseconds after which an"
527                 "interrupt response is generated");
528
529 LPFC_ATTR(cr_count, 1, 1, 255, "A count of I/O completions after which an"
530                 "interrupt response is generated");
531
532 /*
533 # lpfc_fdmi_on: controls FDMI support.
534 #       0 = no FDMI support
535 #       1 = support FDMI without attribute of hostname
536 #       2 = support FDMI with attribute of hostname
537 # Value range [0,2]. Default value is 0.
538 */
539 LPFC_ATTR_RW(fdmi_on, 0, 0, 2, "Enable FDMI support");
540
541 /*
542 # Specifies the maximum number of ELS cmds we can have outstanding (for
543 # discovery). Value range is [1,64]. Default value = 32.
544 */
545 LPFC_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands"
546                  "during discovery");
547
548 /*
549 # lpfc_max_luns: maximum number of LUNs per target driver will support
550 # Value range is [1,32768]. Default value is 256.
551 # NOTE: The SCSI layer will scan each target for this many luns
552 */
553 LPFC_ATTR_R(max_luns, 256, 1, 32768,
554              "Maximum number of LUNs per target driver will support");
555
556 struct class_device_attribute *lpfc_host_attrs[] = {
557         &class_device_attr_info,
558         &class_device_attr_serialnum,
559         &class_device_attr_modeldesc,
560         &class_device_attr_modelname,
561         &class_device_attr_programtype,
562         &class_device_attr_portnum,
563         &class_device_attr_fwrev,
564         &class_device_attr_hdw,
565         &class_device_attr_option_rom_version,
566         &class_device_attr_state,
567         &class_device_attr_num_discovered_ports,
568         &class_device_attr_lpfc_drvr_version,
569         &class_device_attr_lpfc_log_verbose,
570         &class_device_attr_lpfc_lun_queue_depth,
571         &class_device_attr_lpfc_nodev_tmo,
572         &class_device_attr_lpfc_fcp_class,
573         &class_device_attr_lpfc_use_adisc,
574         &class_device_attr_lpfc_ack0,
575         &class_device_attr_lpfc_topology,
576         &class_device_attr_lpfc_scan_down,
577         &class_device_attr_lpfc_link_speed,
578         &class_device_attr_lpfc_fdmi_on,
579         &class_device_attr_lpfc_max_luns,
580         &class_device_attr_nport_evt_cnt,
581         &class_device_attr_management_version,
582         &class_device_attr_board_online,
583         NULL,
584 };
585
586 static ssize_t
587 sysfs_ctlreg_write(struct kobject *kobj, char *buf, loff_t off, size_t count)
588 {
589         size_t buf_off;
590         struct Scsi_Host *host = class_to_shost(container_of(kobj,
591                                              struct class_device, kobj));
592         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
593
594         if ((off + count) > FF_REG_AREA_SIZE)
595                 return -ERANGE;
596
597         if (count == 0) return 0;
598
599         if (off % 4 || count % 4 || (unsigned long)buf % 4)
600                 return -EINVAL;
601
602         spin_lock_irq(phba->host->host_lock);
603
604         if (!(phba->fc_flag & FC_OFFLINE_MODE)) {
605                 spin_unlock_irq(phba->host->host_lock);
606                 return -EPERM;
607         }
608
609         for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t))
610                 writel(*((uint32_t *)(buf + buf_off)),
611                        phba->ctrl_regs_memmap_p + off + buf_off);
612
613         spin_unlock_irq(phba->host->host_lock);
614
615         return count;
616 }
617
618 static ssize_t
619 sysfs_ctlreg_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
620 {
621         size_t buf_off;
622         uint32_t * tmp_ptr;
623         struct Scsi_Host *host = class_to_shost(container_of(kobj,
624                                              struct class_device, kobj));
625         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
626
627         if (off > FF_REG_AREA_SIZE)
628                 return -ERANGE;
629
630         if ((off + count) > FF_REG_AREA_SIZE)
631                 count = FF_REG_AREA_SIZE - off;
632
633         if (count == 0) return 0;
634
635         if (off % 4 || count % 4 || (unsigned long)buf % 4)
636                 return -EINVAL;
637
638         spin_lock_irq(phba->host->host_lock);
639
640         for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) {
641                 tmp_ptr = (uint32_t *)(buf + buf_off);
642                 *tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off);
643         }
644
645         spin_unlock_irq(phba->host->host_lock);
646
647         return count;
648 }
649
650 static struct bin_attribute sysfs_ctlreg_attr = {
651         .attr = {
652                 .name = "ctlreg",
653                 .mode = S_IRUSR | S_IWUSR,
654                 .owner = THIS_MODULE,
655         },
656         .size = 256,
657         .read = sysfs_ctlreg_read,
658         .write = sysfs_ctlreg_write,
659 };
660
661
662 static void
663 sysfs_mbox_idle (struct lpfc_hba * phba)
664 {
665         phba->sysfs_mbox.state = SMBOX_IDLE;
666         phba->sysfs_mbox.offset = 0;
667
668         if (phba->sysfs_mbox.mbox) {
669                 mempool_free(phba->sysfs_mbox.mbox,
670                              phba->mbox_mem_pool);
671                 phba->sysfs_mbox.mbox = NULL;
672         }
673 }
674
675 static ssize_t
676 sysfs_mbox_write(struct kobject *kobj, char *buf, loff_t off, size_t count)
677 {
678         struct Scsi_Host * host =
679                 class_to_shost(container_of(kobj, struct class_device, kobj));
680         struct lpfc_hba * phba = (struct lpfc_hba*)host->hostdata[0];
681         struct lpfcMboxq * mbox = NULL;
682
683         if ((count + off) > MAILBOX_CMD_SIZE)
684                 return -ERANGE;
685
686         if (off % 4 ||  count % 4 || (unsigned long)buf % 4)
687                 return -EINVAL;
688
689         if (count == 0)
690                 return 0;
691
692         if (off == 0) {
693                 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
694                 if (!mbox)
695                         return -ENOMEM;
696
697         }
698
699         spin_lock_irq(host->host_lock);
700
701         if (off == 0) {
702                 if (phba->sysfs_mbox.mbox)
703                         mempool_free(mbox, phba->mbox_mem_pool);
704                 else
705                         phba->sysfs_mbox.mbox = mbox;
706                 phba->sysfs_mbox.state = SMBOX_WRITING;
707         } else {
708                 if (phba->sysfs_mbox.state  != SMBOX_WRITING ||
709                     phba->sysfs_mbox.offset != off           ||
710                     phba->sysfs_mbox.mbox   == NULL ) {
711                         sysfs_mbox_idle(phba);
712                         spin_unlock_irq(host->host_lock);
713                         return -EINVAL;
714                 }
715         }
716
717         memcpy((uint8_t *) & phba->sysfs_mbox.mbox->mb + off,
718                buf, count);
719
720         phba->sysfs_mbox.offset = off + count;
721
722         spin_unlock_irq(host->host_lock);
723
724         return count;
725 }
726
727 static ssize_t
728 sysfs_mbox_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
729 {
730         struct Scsi_Host *host =
731                 class_to_shost(container_of(kobj, struct class_device,
732                                             kobj));
733         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
734         int rc;
735
736         if (off > sizeof(MAILBOX_t))
737                 return -ERANGE;
738
739         if ((count + off) > sizeof(MAILBOX_t))
740                 count = sizeof(MAILBOX_t) - off;
741
742         if (off % 4 ||  count % 4 || (unsigned long)buf % 4)
743                 return -EINVAL;
744
745         if (off && count == 0)
746                 return 0;
747
748         spin_lock_irq(phba->host->host_lock);
749
750         if (off == 0 &&
751             phba->sysfs_mbox.state  == SMBOX_WRITING &&
752             phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) {
753
754                 switch (phba->sysfs_mbox.mbox->mb.mbxCommand) {
755                         /* Offline only */
756                 case MBX_WRITE_NV:
757                 case MBX_INIT_LINK:
758                 case MBX_DOWN_LINK:
759                 case MBX_CONFIG_LINK:
760                 case MBX_CONFIG_RING:
761                 case MBX_RESET_RING:
762                 case MBX_UNREG_LOGIN:
763                 case MBX_CLEAR_LA:
764                 case MBX_DUMP_CONTEXT:
765                 case MBX_RUN_DIAGS:
766                 case MBX_RESTART:
767                 case MBX_FLASH_WR_ULA:
768                 case MBX_SET_MASK:
769                 case MBX_SET_SLIM:
770                 case MBX_SET_DEBUG:
771                         if (!(phba->fc_flag & FC_OFFLINE_MODE)) {
772                                 printk(KERN_WARNING "mbox_read:Command 0x%x "
773                                        "is illegal in on-line state\n",
774                                        phba->sysfs_mbox.mbox->mb.mbxCommand);
775                                 sysfs_mbox_idle(phba);
776                                 spin_unlock_irq(phba->host->host_lock);
777                                 return -EPERM;
778                         }
779                 case MBX_LOAD_SM:
780                 case MBX_READ_NV:
781                 case MBX_READ_CONFIG:
782                 case MBX_READ_RCONFIG:
783                 case MBX_READ_STATUS:
784                 case MBX_READ_XRI:
785                 case MBX_READ_REV:
786                 case MBX_READ_LNK_STAT:
787                 case MBX_DUMP_MEMORY:
788                 case MBX_DOWN_LOAD:
789                 case MBX_UPDATE_CFG:
790                 case MBX_LOAD_AREA:
791                 case MBX_LOAD_EXP_ROM:
792                         break;
793                 case MBX_READ_SPARM64:
794                 case MBX_READ_LA:
795                 case MBX_READ_LA64:
796                 case MBX_REG_LOGIN:
797                 case MBX_REG_LOGIN64:
798                 case MBX_CONFIG_PORT:
799                 case MBX_RUN_BIU_DIAG:
800                         printk(KERN_WARNING "mbox_read: Illegal Command 0x%x\n",
801                                phba->sysfs_mbox.mbox->mb.mbxCommand);
802                         sysfs_mbox_idle(phba);
803                         spin_unlock_irq(phba->host->host_lock);
804                         return -EPERM;
805                 default:
806                         printk(KERN_WARNING "mbox_read: Unknown Command 0x%x\n",
807                                phba->sysfs_mbox.mbox->mb.mbxCommand);
808                         sysfs_mbox_idle(phba);
809                         spin_unlock_irq(phba->host->host_lock);
810                         return -EPERM;
811                 }
812
813                 if ((phba->fc_flag & FC_OFFLINE_MODE) ||
814                     (!(phba->sli.sli_flag & LPFC_SLI2_ACTIVE))){
815
816                         spin_unlock_irq(phba->host->host_lock);
817                         rc = lpfc_sli_issue_mbox (phba,
818                                                   phba->sysfs_mbox.mbox,
819                                                   MBX_POLL);
820                         spin_lock_irq(phba->host->host_lock);
821
822                 } else {
823                         spin_unlock_irq(phba->host->host_lock);
824                         rc = lpfc_sli_issue_mbox_wait (phba,
825                                                        phba->sysfs_mbox.mbox,
826                                                        phba->fc_ratov * 2);
827                         spin_lock_irq(phba->host->host_lock);
828                 }
829
830                 if (rc != MBX_SUCCESS) {
831                         sysfs_mbox_idle(phba);
832                         spin_unlock_irq(host->host_lock);
833                         return -ENODEV;
834                 }
835                 phba->sysfs_mbox.state = SMBOX_READING;
836         }
837         else if (phba->sysfs_mbox.offset != off ||
838                  phba->sysfs_mbox.state  != SMBOX_READING) {
839                 printk(KERN_WARNING  "mbox_read: Bad State\n");
840                 sysfs_mbox_idle(phba);
841                 spin_unlock_irq(host->host_lock);
842                 return -EINVAL;
843         }
844
845         memcpy(buf, (uint8_t *) & phba->sysfs_mbox.mbox->mb + off, count);
846
847         phba->sysfs_mbox.offset = off + count;
848
849         if (phba->sysfs_mbox.offset == sizeof(MAILBOX_t))
850                 sysfs_mbox_idle(phba);
851
852         spin_unlock_irq(phba->host->host_lock);
853
854         return count;
855 }
856
857 static struct bin_attribute sysfs_mbox_attr = {
858         .attr = {
859                 .name = "mbox",
860                 .mode = S_IRUSR | S_IWUSR,
861                 .owner = THIS_MODULE,
862         },
863         .size = sizeof(MAILBOX_t),
864         .read = sysfs_mbox_read,
865         .write = sysfs_mbox_write,
866 };
867
868 int
869 lpfc_alloc_sysfs_attr(struct lpfc_hba *phba)
870 {
871         struct Scsi_Host *host = phba->host;
872         int error;
873
874         error = sysfs_create_bin_file(&host->shost_classdev.kobj,
875                                                         &sysfs_ctlreg_attr);
876         if (error)
877                 goto out;
878
879         error = sysfs_create_bin_file(&host->shost_classdev.kobj,
880                                                         &sysfs_mbox_attr);
881         if (error)
882                 goto out_remove_ctlreg_attr;
883
884         return 0;
885 out_remove_ctlreg_attr:
886         sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_ctlreg_attr);
887 out:
888         return error;
889 }
890
891 void
892 lpfc_free_sysfs_attr(struct lpfc_hba *phba)
893 {
894         struct Scsi_Host *host = phba->host;
895
896         sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_mbox_attr);
897         sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_ctlreg_attr);
898 }
899
900
901 /*
902  * Dynamic FC Host Attributes Support
903  */
904
905 static void
906 lpfc_get_host_port_id(struct Scsi_Host *shost)
907 {
908         struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
909         /* note: fc_myDID already in cpu endianness */
910         fc_host_port_id(shost) = phba->fc_myDID;
911 }
912
913 static void
914 lpfc_get_host_port_type(struct Scsi_Host *shost)
915 {
916         struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
917
918         spin_lock_irq(shost->host_lock);
919
920         if (phba->hba_state == LPFC_HBA_READY) {
921                 if (phba->fc_topology == TOPOLOGY_LOOP) {
922                         if (phba->fc_flag & FC_PUBLIC_LOOP)
923                                 fc_host_port_type(shost) = FC_PORTTYPE_NLPORT;
924                         else
925                                 fc_host_port_type(shost) = FC_PORTTYPE_LPORT;
926                 } else {
927                         if (phba->fc_flag & FC_FABRIC)
928                                 fc_host_port_type(shost) = FC_PORTTYPE_NPORT;
929                         else
930                                 fc_host_port_type(shost) = FC_PORTTYPE_PTP;
931                 }
932         } else
933                 fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN;
934
935         spin_unlock_irq(shost->host_lock);
936 }
937
938 static void
939 lpfc_get_host_port_state(struct Scsi_Host *shost)
940 {
941         struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
942
943         spin_lock_irq(shost->host_lock);
944
945         if (phba->fc_flag & FC_OFFLINE_MODE)
946                 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
947         else {
948                 switch (phba->hba_state) {
949                 case LPFC_INIT_START:
950                 case LPFC_INIT_MBX_CMDS:
951                 case LPFC_LINK_DOWN:
952                         fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
953                         break;
954                 case LPFC_LINK_UP:
955                 case LPFC_LOCAL_CFG_LINK:
956                 case LPFC_FLOGI:
957                 case LPFC_FABRIC_CFG_LINK:
958                 case LPFC_NS_REG:
959                 case LPFC_NS_QRY:
960                 case LPFC_BUILD_DISC_LIST:
961                 case LPFC_DISC_AUTH:
962                 case LPFC_CLEAR_LA:
963                 case LPFC_HBA_READY:
964                         /* Links up, beyond this port_type reports state */
965                         fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
966                         break;
967                 case LPFC_HBA_ERROR:
968                         fc_host_port_state(shost) = FC_PORTSTATE_ERROR;
969                         break;
970                 default:
971                         fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
972                         break;
973                 }
974         }
975
976         spin_unlock_irq(shost->host_lock);
977 }
978
979 static void
980 lpfc_get_host_speed(struct Scsi_Host *shost)
981 {
982         struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
983
984         spin_lock_irq(shost->host_lock);
985
986         if (phba->hba_state == LPFC_HBA_READY) {
987                 switch(phba->fc_linkspeed) {
988                         case LA_1GHZ_LINK:
989                                 fc_host_speed(shost) = FC_PORTSPEED_1GBIT;
990                         break;
991                         case LA_2GHZ_LINK:
992                                 fc_host_speed(shost) = FC_PORTSPEED_2GBIT;
993                         break;
994                         case LA_4GHZ_LINK:
995                                 fc_host_speed(shost) = FC_PORTSPEED_4GBIT;
996                         break;
997                         default:
998                                 fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
999                         break;
1000                 }
1001         }
1002
1003         spin_unlock_irq(shost->host_lock);
1004 }
1005
1006 static void
1007 lpfc_get_host_fabric_name (struct Scsi_Host *shost)
1008 {
1009         struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
1010         u64 node_name;
1011
1012         spin_lock_irq(shost->host_lock);
1013
1014         if ((phba->fc_flag & FC_FABRIC) ||
1015             ((phba->fc_topology == TOPOLOGY_LOOP) &&
1016              (phba->fc_flag & FC_PUBLIC_LOOP)))
1017                 node_name = wwn_to_u64(phba->fc_fabparam.nodeName.u.wwn);
1018         else
1019                 /* fabric is local port if there is no F/FL_Port */
1020                 node_name = wwn_to_u64(phba->fc_nodename.u.wwn);
1021
1022         spin_unlock_irq(shost->host_lock);
1023
1024         fc_host_fabric_name(shost) = node_name;
1025 }
1026
1027
1028 static struct fc_host_statistics *
1029 lpfc_get_stats(struct Scsi_Host *shost)
1030 {
1031         struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata[0];
1032         struct lpfc_sli *psli = &phba->sli;
1033         struct fc_host_statistics *hs = &phba->link_stats;
1034         LPFC_MBOXQ_t *pmboxq;
1035         MAILBOX_t *pmb;
1036         int rc = 0;
1037
1038         pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
1039         if (!pmboxq)
1040                 return NULL;
1041         memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
1042
1043         pmb = &pmboxq->mb;
1044         pmb->mbxCommand = MBX_READ_STATUS;
1045         pmb->mbxOwner = OWN_HOST;
1046         pmboxq->context1 = NULL;
1047
1048         if ((phba->fc_flag & FC_OFFLINE_MODE) ||
1049                 (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
1050                 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
1051         else
1052                 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
1053
1054         if (rc != MBX_SUCCESS) {
1055                 if (rc == MBX_TIMEOUT)
1056                         pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1057                 else
1058                         mempool_free(pmboxq, phba->mbox_mem_pool);
1059                 return NULL;
1060         }
1061
1062         memset(hs, 0, sizeof (struct fc_host_statistics));
1063
1064         hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt;
1065         hs->tx_words = (pmb->un.varRdStatus.xmitByteCnt * 256);
1066         hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt;
1067         hs->rx_words = (pmb->un.varRdStatus.rcvByteCnt * 256);
1068
1069         memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
1070         pmb->mbxCommand = MBX_READ_LNK_STAT;
1071         pmb->mbxOwner = OWN_HOST;
1072         pmboxq->context1 = NULL;
1073
1074         if ((phba->fc_flag & FC_OFFLINE_MODE) ||
1075             (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
1076                 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
1077         else
1078                 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
1079
1080         if (rc != MBX_SUCCESS) {
1081                 if (rc == MBX_TIMEOUT)
1082                         pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1083                 else
1084                         mempool_free( pmboxq, phba->mbox_mem_pool);
1085                 return NULL;
1086         }
1087
1088         hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
1089         hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
1090         hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
1091         hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
1092         hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
1093         hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
1094         hs->error_frames = pmb->un.varRdLnk.crcCnt;
1095
1096         if (phba->fc_topology == TOPOLOGY_LOOP) {
1097                 hs->lip_count = (phba->fc_eventTag >> 1);
1098                 hs->nos_count = -1;
1099         } else {
1100                 hs->lip_count = -1;
1101                 hs->nos_count = (phba->fc_eventTag >> 1);
1102         }
1103
1104         hs->dumped_frames = -1;
1105
1106 /* FIX ME */
1107         /*hs->SecondsSinceLastReset = (jiffies - lpfc_loadtime) / HZ;*/
1108
1109         return hs;
1110 }
1111
1112
1113 /*
1114  * The LPFC driver treats linkdown handling as target loss events so there
1115  * are no sysfs handlers for link_down_tmo.
1116  */
1117 static void
1118 lpfc_get_starget_port_id(struct scsi_target *starget)
1119 {
1120         struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
1121         struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata[0];
1122         uint32_t did = -1;
1123         struct lpfc_nodelist *ndlp = NULL;
1124
1125         spin_lock_irq(shost->host_lock);
1126         /* Search the mapped list for this target ID */
1127         list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
1128                 if (starget->id == ndlp->nlp_sid) {
1129                         did = ndlp->nlp_DID;
1130                         break;
1131                 }
1132         }
1133         spin_unlock_irq(shost->host_lock);
1134
1135         fc_starget_port_id(starget) = did;
1136 }
1137
1138 static void
1139 lpfc_get_starget_node_name(struct scsi_target *starget)
1140 {
1141         struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
1142         struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata[0];
1143         u64 node_name = 0;
1144         struct lpfc_nodelist *ndlp = NULL;
1145
1146         spin_lock_irq(shost->host_lock);
1147         /* Search the mapped list for this target ID */
1148         list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
1149                 if (starget->id == ndlp->nlp_sid) {
1150                         node_name = wwn_to_u64(ndlp->nlp_nodename.u.wwn);
1151                         break;
1152                 }
1153         }
1154         spin_unlock_irq(shost->host_lock);
1155
1156         fc_starget_node_name(starget) = node_name;
1157 }
1158
1159 static void
1160 lpfc_get_starget_port_name(struct scsi_target *starget)
1161 {
1162         struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
1163         struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata[0];
1164         u64 port_name = 0;
1165         struct lpfc_nodelist *ndlp = NULL;
1166
1167         spin_lock_irq(shost->host_lock);
1168         /* Search the mapped list for this target ID */
1169         list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
1170                 if (starget->id == ndlp->nlp_sid) {
1171                         port_name = wwn_to_u64(ndlp->nlp_portname.u.wwn);
1172                         break;
1173                 }
1174         }
1175         spin_unlock_irq(shost->host_lock);
1176
1177         fc_starget_port_name(starget) = port_name;
1178 }
1179
1180 static void
1181 lpfc_get_rport_loss_tmo(struct fc_rport *rport)
1182 {
1183         /*
1184          * Return the driver's global value for device loss timeout plus
1185          * five seconds to allow the driver's nodev timer to run.
1186          */
1187         rport->dev_loss_tmo = lpfc_nodev_tmo + 5;
1188 }
1189
1190 static void
1191 lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
1192 {
1193         /*
1194          * The driver doesn't have a per-target timeout setting.  Set
1195          * this value globally. lpfc_nodev_tmo should be greater then 0.
1196          */
1197         if (timeout)
1198                 lpfc_nodev_tmo = timeout;
1199         else
1200                 lpfc_nodev_tmo = 1;
1201         rport->dev_loss_tmo = lpfc_nodev_tmo + 5;
1202 }
1203
1204
1205 #define lpfc_rport_show_function(field, format_string, sz, cast)        \
1206 static ssize_t                                                          \
1207 lpfc_show_rport_##field (struct class_device *cdev, char *buf)          \
1208 {                                                                       \
1209         struct fc_rport *rport = transport_class_to_rport(cdev);        \
1210         struct lpfc_rport_data *rdata = rport->hostdata;                \
1211         return snprintf(buf, sz, format_string,                         \
1212                 (rdata->target) ? cast rdata->target->field : 0);       \
1213 }
1214
1215 #define lpfc_rport_rd_attr(field, format_string, sz)                    \
1216         lpfc_rport_show_function(field, format_string, sz, )            \
1217 static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL)
1218
1219
1220 struct fc_function_template lpfc_transport_functions = {
1221         /* fixed attributes the driver supports */
1222         .show_host_node_name = 1,
1223         .show_host_port_name = 1,
1224         .show_host_supported_classes = 1,
1225         .show_host_supported_fc4s = 1,
1226         .show_host_symbolic_name = 1,
1227         .show_host_supported_speeds = 1,
1228         .show_host_maxframe_size = 1,
1229
1230         /* dynamic attributes the driver supports */
1231         .get_host_port_id = lpfc_get_host_port_id,
1232         .show_host_port_id = 1,
1233
1234         .get_host_port_type = lpfc_get_host_port_type,
1235         .show_host_port_type = 1,
1236
1237         .get_host_port_state = lpfc_get_host_port_state,
1238         .show_host_port_state = 1,
1239
1240         /* active_fc4s is shown but doesn't change (thus no get function) */
1241         .show_host_active_fc4s = 1,
1242
1243         .get_host_speed = lpfc_get_host_speed,
1244         .show_host_speed = 1,
1245
1246         .get_host_fabric_name = lpfc_get_host_fabric_name,
1247         .show_host_fabric_name = 1,
1248
1249         /*
1250          * The LPFC driver treats linkdown handling as target loss events
1251          * so there are no sysfs handlers for link_down_tmo.
1252          */
1253
1254         .get_fc_host_stats = lpfc_get_stats,
1255
1256         /* the LPFC driver doesn't support resetting stats yet */
1257
1258         .dd_fcrport_size = sizeof(struct lpfc_rport_data),
1259         .show_rport_maxframe_size = 1,
1260         .show_rport_supported_classes = 1,
1261
1262         .get_rport_dev_loss_tmo = lpfc_get_rport_loss_tmo,
1263         .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
1264         .show_rport_dev_loss_tmo = 1,
1265
1266         .get_starget_port_id  = lpfc_get_starget_port_id,
1267         .show_starget_port_id = 1,
1268
1269         .get_starget_node_name = lpfc_get_starget_node_name,
1270         .show_starget_node_name = 1,
1271
1272         .get_starget_port_name = lpfc_get_starget_port_name,
1273         .show_starget_port_name = 1,
1274
1275         .issue_fc_host_lip = lpfc_issue_lip,
1276 };
1277
1278 void
1279 lpfc_get_cfgparam(struct lpfc_hba *phba)
1280 {
1281         lpfc_log_verbose_init(phba, lpfc_log_verbose);
1282         lpfc_cr_delay_init(phba, lpfc_cr_delay);
1283         lpfc_cr_count_init(phba, lpfc_cr_count);
1284         lpfc_lun_queue_depth_init(phba, lpfc_lun_queue_depth);
1285         lpfc_fcp_class_init(phba, lpfc_fcp_class);
1286         lpfc_use_adisc_init(phba, lpfc_use_adisc);
1287         lpfc_ack0_init(phba, lpfc_ack0);
1288         lpfc_topology_init(phba, lpfc_topology);
1289         lpfc_scan_down_init(phba, lpfc_scan_down);
1290         lpfc_nodev_tmo_init(phba, lpfc_nodev_tmo);
1291         lpfc_link_speed_init(phba, lpfc_link_speed);
1292         lpfc_fdmi_on_init(phba, lpfc_fdmi_on);
1293         lpfc_discovery_threads_init(phba, lpfc_discovery_threads);
1294         lpfc_max_luns_init(phba, lpfc_max_luns);
1295
1296         /*
1297          * The total number of segments is the configuration value plus 2
1298          * since the IOCB need a command and response bde.
1299          */
1300         phba->cfg_sg_seg_cnt = LPFC_SG_SEG_CNT + 2;
1301
1302         /*
1303          * Since the sg_tablesize is module parameter, the sg_dma_buf_size
1304          * used to create the sg_dma_buf_pool must be dynamically calculated
1305          */
1306         phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
1307                         sizeof(struct fcp_rsp) +
1308                         (phba->cfg_sg_seg_cnt * sizeof(struct ulp_bde64));
1309
1310         switch (phba->pcidev->device) {
1311         case PCI_DEVICE_ID_LP101:
1312         case PCI_DEVICE_ID_BSMB:
1313         case PCI_DEVICE_ID_ZSMB:
1314                 phba->cfg_hba_queue_depth = LPFC_LP101_HBA_Q_DEPTH;
1315                 break;
1316         case PCI_DEVICE_ID_RFLY:
1317         case PCI_DEVICE_ID_PFLY:
1318         case PCI_DEVICE_ID_BMID:
1319         case PCI_DEVICE_ID_ZMID:
1320         case PCI_DEVICE_ID_TFLY:
1321                 phba->cfg_hba_queue_depth = LPFC_LC_HBA_Q_DEPTH;
1322                 break;
1323         default:
1324                 phba->cfg_hba_queue_depth = LPFC_DFT_HBA_Q_DEPTH;
1325         }
1326         return;
1327 }