[SCSI] Add an 'Issue LIP' device attribute in fc_transport class
[linux-2.6.git] / drivers / scsi / lpfc / lpfc_attr.c
1 /*******************************************************************
2  * This file is part of the Emulex Linux Device Driver for         *
3  * Fibre Channel Host Bus Adapters.                                *
4  * Copyright (C) 2004-2005 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) return 0;
249
250         if (phba->fc_flag & FC_OFFLINE_MODE)
251                 return snprintf(buf, PAGE_SIZE, "0\n");
252         else
253                 return snprintf(buf, PAGE_SIZE, "1\n");
254 }
255
256 static ssize_t
257 lpfc_board_online_store(struct class_device *cdev, const char *buf,
258                                                                 size_t count)
259 {
260         struct Scsi_Host *host = class_to_shost(cdev);
261         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
262         struct completion online_compl;
263         int val=0, status=0;
264
265         if (sscanf(buf, "%d", &val) != 1)
266                 return 0;
267
268         init_completion(&online_compl);
269
270         if (val)
271                 lpfc_workq_post_event(phba, &status, &online_compl,
272                                                         LPFC_EVT_ONLINE);
273         else
274                 lpfc_workq_post_event(phba, &status, &online_compl,
275                                                         LPFC_EVT_OFFLINE);
276         wait_for_completion(&online_compl);
277         if (!status)
278                 return strlen(buf);
279         else
280                 return 0;
281 }
282
283
284 #define lpfc_param_show(attr)   \
285 static ssize_t \
286 lpfc_##attr##_show(struct class_device *cdev, char *buf) \
287 { \
288         struct Scsi_Host *host = class_to_shost(cdev);\
289         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];\
290         int val = 0;\
291         if (phba){\
292                 val = phba->cfg_##attr;\
293                 return snprintf(buf, PAGE_SIZE, "%d\n",\
294                                 phba->cfg_##attr);\
295         }\
296         return 0;\
297 }
298
299 #define lpfc_param_store(attr, minval, maxval)  \
300 static ssize_t \
301 lpfc_##attr##_store(struct class_device *cdev, const char *buf, size_t count) \
302 { \
303         struct Scsi_Host *host = class_to_shost(cdev);\
304         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];\
305         int val = 0;\
306         if (!isdigit(buf[0]))\
307                 return -EINVAL;\
308         if (sscanf(buf, "0x%x", &val) != 1)\
309                 if (sscanf(buf, "%d", &val) != 1)\
310                         return -EINVAL;\
311         if (phba){\
312                 if (val >= minval && val <= maxval) {\
313                         phba->cfg_##attr = val;\
314                         return strlen(buf);\
315                 }\
316         }\
317         return 0;\
318 }
319
320 #define LPFC_ATTR_R_NOINIT(name, desc) \
321 extern int lpfc_##name;\
322 module_param(lpfc_##name, int, 0);\
323 MODULE_PARM_DESC(lpfc_##name, desc);\
324 lpfc_param_show(name)\
325 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
326
327 #define LPFC_ATTR_R(name, defval, minval, maxval, desc) \
328 static int lpfc_##name = defval;\
329 module_param(lpfc_##name, int, 0);\
330 MODULE_PARM_DESC(lpfc_##name, desc);\
331 lpfc_param_show(name)\
332 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
333
334 #define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \
335 static int lpfc_##name = defval;\
336 module_param(lpfc_##name, int, 0);\
337 MODULE_PARM_DESC(lpfc_##name, desc);\
338 lpfc_param_show(name)\
339 lpfc_param_store(name, minval, maxval)\
340 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
341                          lpfc_##name##_show, lpfc_##name##_store)
342
343 static CLASS_DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL);
344 static CLASS_DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL);
345 static CLASS_DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL);
346 static CLASS_DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL);
347 static CLASS_DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL);
348 static CLASS_DEVICE_ATTR(portnum, S_IRUGO, lpfc_portnum_show, NULL);
349 static CLASS_DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL);
350 static CLASS_DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL);
351 static CLASS_DEVICE_ATTR(state, S_IRUGO, lpfc_state_show, NULL);
352 static CLASS_DEVICE_ATTR(option_rom_version, S_IRUGO,
353                                         lpfc_option_rom_version_show, NULL);
354 static CLASS_DEVICE_ATTR(num_discovered_ports, S_IRUGO,
355                                         lpfc_num_discovered_ports_show, NULL);
356 static CLASS_DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL);
357 static CLASS_DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show,
358                          NULL);
359 static CLASS_DEVICE_ATTR(management_version, S_IRUGO, management_version_show,
360                          NULL);
361 static CLASS_DEVICE_ATTR(board_online, S_IRUGO | S_IWUSR,
362                          lpfc_board_online_show, lpfc_board_online_store);
363
364
365 /*
366 # lpfc_log_verbose: Only turn this flag on if you are willing to risk being
367 # deluged with LOTS of information.
368 # You can set a bit mask to record specific types of verbose messages:
369 #
370 # LOG_ELS                       0x1        ELS events
371 # LOG_DISCOVERY                 0x2        Link discovery events
372 # LOG_MBOX                      0x4        Mailbox events
373 # LOG_INIT                      0x8        Initialization events
374 # LOG_LINK_EVENT                0x10       Link events
375 # LOG_IP                        0x20       IP traffic history
376 # LOG_FCP                       0x40       FCP traffic history
377 # LOG_NODE                      0x80       Node table events
378 # LOG_MISC                      0x400      Miscellaneous events
379 # LOG_SLI                       0x800      SLI events
380 # LOG_CHK_COND                  0x1000     FCP Check condition flag
381 # LOG_LIBDFC                    0x2000     LIBDFC events
382 # LOG_ALL_MSG                   0xffff     LOG all messages
383 */
384 LPFC_ATTR_RW(log_verbose, 0x0, 0x0, 0xffff, "Verbose logging bit-mask");
385
386 /*
387 # lun_queue_depth:  This parameter is used to limit the number of outstanding
388 # commands per FCP LUN. Value range is [1,128]. Default value is 30.
389 */
390 LPFC_ATTR_R(lun_queue_depth, 30, 1, 128,
391             "Max number of FCP commands we can queue to a specific LUN");
392
393 /*
394 # Some disk devices have a "select ID" or "select Target" capability.
395 # From a protocol standpoint "select ID" usually means select the
396 # Fibre channel "ALPA".  In the FC-AL Profile there is an "informative
397 # annex" which contains a table that maps a "select ID" (a number
398 # between 0 and 7F) to an ALPA.  By default, for compatibility with
399 # older drivers, the lpfc driver scans this table from low ALPA to high
400 # ALPA.
401 #
402 # Turning on the scan-down variable (on  = 1, off = 0) will
403 # cause the lpfc driver to use an inverted table, effectively
404 # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1.
405 #
406 # (Note: This "select ID" functionality is a LOOP ONLY characteristic
407 # and will not work across a fabric. Also this parameter will take
408 # effect only in the case when ALPA map is not available.)
409 */
410 LPFC_ATTR_R(scan_down, 1, 0, 1,
411              "Start scanning for devices from highest ALPA to lowest");
412
413 /*
414 # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
415 # until the timer expires. Value range is [0,255]. Default value is 20.
416 # NOTE: this MUST be less then the SCSI Layer command timeout - 1.
417 */
418 LPFC_ATTR_RW(nodev_tmo, 30, 0, 255,
419              "Seconds driver will hold I/O waiting for a device to come back");
420
421 /*
422 # lpfc_topology:  link topology for init link
423 #            0x0  = attempt loop mode then point-to-point
424 #            0x02 = attempt point-to-point mode only
425 #            0x04 = attempt loop mode only
426 #            0x06 = attempt point-to-point mode then loop
427 # Set point-to-point mode if you want to run as an N_Port.
428 # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6].
429 # Default value is 0.
430 */
431 LPFC_ATTR_R(topology, 0, 0, 6, "Select Fibre Channel topology");
432
433 /*
434 # lpfc_link_speed: Link speed selection for initializing the Fibre Channel
435 # connection.
436 #       0  = auto select (default)
437 #       1  = 1 Gigabaud
438 #       2  = 2 Gigabaud
439 #       4  = 4 Gigabaud
440 # Value range is [0,4]. Default value is 0.
441 */
442 LPFC_ATTR_R(link_speed, 0, 0, 4, "Select link speed");
443
444 /*
445 # lpfc_fcp_class:  Determines FC class to use for the FCP protocol.
446 # Value range is [2,3]. Default value is 3.
447 */
448 LPFC_ATTR_R(fcp_class, 3, 2, 3,
449              "Select Fibre Channel class of service for FCP sequences");
450
451 /*
452 # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range
453 # is [0,1]. Default value is 0.
454 */
455 LPFC_ATTR_RW(use_adisc, 0, 0, 1,
456              "Use ADISC on rediscovery to authenticate FCP devices");
457
458 /*
459 # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value
460 # range is [0,1]. Default value is 0.
461 */
462 LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support");
463
464 /*
465 # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing
466 # cr_delay (msec) or cr_count outstanding commands. cr_delay can take
467 # value [0,63]. cr_count can take value [0,255]. Default value of cr_delay
468 # is 0. Default value of cr_count is 1. The cr_count feature is disabled if
469 # cr_delay is set to 0.
470 */
471 static int lpfc_cr_delay = 0;
472 module_param(lpfc_cr_delay, int , 0);
473 MODULE_PARM_DESC(lpfc_cr_delay, "A count of milliseconds after which an "
474                 "interrupt response is generated");
475
476 static int lpfc_cr_count = 1;
477 module_param(lpfc_cr_count, int, 0);
478 MODULE_PARM_DESC(lpfc_cr_count, "A count of I/O completions after which an "
479                 "interrupt response is generated");
480
481 /*
482 # lpfc_fdmi_on: controls FDMI support.
483 #       0 = no FDMI support
484 #       1 = support FDMI without attribute of hostname
485 #       2 = support FDMI with attribute of hostname
486 # Value range [0,2]. Default value is 0.
487 */
488 LPFC_ATTR_RW(fdmi_on, 0, 0, 2, "Enable FDMI support");
489
490 /*
491 # Specifies the maximum number of ELS cmds we can have outstanding (for
492 # discovery). Value range is [1,64]. Default value = 32.
493 */
494 static int lpfc_discovery_threads = 32;
495 module_param(lpfc_discovery_threads, int, 0);
496 MODULE_PARM_DESC(lpfc_discovery_threads, "Maximum number of ELS commands "
497                  "during discovery");
498
499 /*
500 # lpfc_max_luns: maximum number of LUNs per target driver will support
501 # Value range is [1,32768]. Default value is 256.
502 # NOTE: The SCSI layer will scan each target for this many luns
503 */
504 LPFC_ATTR_R(max_luns, 256, 1, 32768,
505              "Maximum number of LUNs per target driver will support");
506
507 struct class_device_attribute *lpfc_host_attrs[] = {
508         &class_device_attr_info,
509         &class_device_attr_serialnum,
510         &class_device_attr_modeldesc,
511         &class_device_attr_modelname,
512         &class_device_attr_programtype,
513         &class_device_attr_portnum,
514         &class_device_attr_fwrev,
515         &class_device_attr_hdw,
516         &class_device_attr_option_rom_version,
517         &class_device_attr_state,
518         &class_device_attr_num_discovered_ports,
519         &class_device_attr_lpfc_drvr_version,
520         &class_device_attr_lpfc_log_verbose,
521         &class_device_attr_lpfc_lun_queue_depth,
522         &class_device_attr_lpfc_nodev_tmo,
523         &class_device_attr_lpfc_fcp_class,
524         &class_device_attr_lpfc_use_adisc,
525         &class_device_attr_lpfc_ack0,
526         &class_device_attr_lpfc_topology,
527         &class_device_attr_lpfc_scan_down,
528         &class_device_attr_lpfc_link_speed,
529         &class_device_attr_lpfc_fdmi_on,
530         &class_device_attr_lpfc_max_luns,
531         &class_device_attr_nport_evt_cnt,
532         &class_device_attr_management_version,
533         &class_device_attr_board_online,
534         NULL,
535 };
536
537 static ssize_t
538 sysfs_ctlreg_write(struct kobject *kobj, char *buf, loff_t off, size_t count)
539 {
540         size_t buf_off;
541         struct Scsi_Host *host = class_to_shost(container_of(kobj,
542                                              struct class_device, kobj));
543         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
544
545         if ((off + count) > FF_REG_AREA_SIZE)
546                 return -ERANGE;
547
548         if (count == 0) return 0;
549
550         if (off % 4 || count % 4 || (unsigned long)buf % 4)
551                 return -EINVAL;
552
553         spin_lock_irq(phba->host->host_lock);
554
555         if (!(phba->fc_flag & FC_OFFLINE_MODE)) {
556                 spin_unlock_irq(phba->host->host_lock);
557                 return -EPERM;
558         }
559
560         for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t))
561                 writel(*((uint32_t *)(buf + buf_off)),
562                        phba->ctrl_regs_memmap_p + off + buf_off);
563
564         spin_unlock_irq(phba->host->host_lock);
565
566         return count;
567 }
568
569 static ssize_t
570 sysfs_ctlreg_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
571 {
572         size_t buf_off;
573         uint32_t * tmp_ptr;
574         struct Scsi_Host *host = class_to_shost(container_of(kobj,
575                                              struct class_device, kobj));
576         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
577
578         if (off > FF_REG_AREA_SIZE)
579                 return -ERANGE;
580
581         if ((off + count) > FF_REG_AREA_SIZE)
582                 count = FF_REG_AREA_SIZE - off;
583
584         if (count == 0) return 0;
585
586         if (off % 4 || count % 4 || (unsigned long)buf % 4)
587                 return -EINVAL;
588
589         spin_lock_irq(phba->host->host_lock);
590
591         for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) {
592                 tmp_ptr = (uint32_t *)(buf + buf_off);
593                 *tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off);
594         }
595
596         spin_unlock_irq(phba->host->host_lock);
597
598         return count;
599 }
600
601 static struct bin_attribute sysfs_ctlreg_attr = {
602         .attr = {
603                 .name = "ctlreg",
604                 .mode = S_IRUSR | S_IWUSR,
605                 .owner = THIS_MODULE,
606         },
607         .size = 256,
608         .read = sysfs_ctlreg_read,
609         .write = sysfs_ctlreg_write,
610 };
611
612
613 static void
614 sysfs_mbox_idle (struct lpfc_hba * phba)
615 {
616         phba->sysfs_mbox.state = SMBOX_IDLE;
617         phba->sysfs_mbox.offset = 0;
618
619         if (phba->sysfs_mbox.mbox) {
620                 mempool_free(phba->sysfs_mbox.mbox,
621                              phba->mbox_mem_pool);
622                 phba->sysfs_mbox.mbox = NULL;
623         }
624 }
625
626 static ssize_t
627 sysfs_mbox_write(struct kobject *kobj, char *buf, loff_t off, size_t count)
628 {
629         struct Scsi_Host * host =
630                 class_to_shost(container_of(kobj, struct class_device, kobj));
631         struct lpfc_hba * phba = (struct lpfc_hba*)host->hostdata[0];
632         struct lpfcMboxq * mbox = NULL;
633
634         if ((count + off) > MAILBOX_CMD_SIZE)
635                 return -ERANGE;
636
637         if (off % 4 ||  count % 4 || (unsigned long)buf % 4)
638                 return -EINVAL;
639
640         if (count == 0)
641                 return 0;
642
643         if (off == 0) {
644                 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
645                 if (!mbox)
646                         return -ENOMEM;
647
648         }
649
650         spin_lock_irq(host->host_lock);
651
652         if (off == 0) {
653                 if (phba->sysfs_mbox.mbox)
654                         mempool_free(mbox, phba->mbox_mem_pool);
655                 else
656                         phba->sysfs_mbox.mbox = mbox;
657                 phba->sysfs_mbox.state = SMBOX_WRITING;
658         } else {
659                 if (phba->sysfs_mbox.state  != SMBOX_WRITING ||
660                     phba->sysfs_mbox.offset != off           ||
661                     phba->sysfs_mbox.mbox   == NULL ) {
662                         sysfs_mbox_idle(phba);
663                         spin_unlock_irq(host->host_lock);
664                         return -EINVAL;
665                 }
666         }
667
668         memcpy((uint8_t *) & phba->sysfs_mbox.mbox->mb + off,
669                buf, count);
670
671         phba->sysfs_mbox.offset = off + count;
672
673         spin_unlock_irq(host->host_lock);
674
675         return count;
676 }
677
678 static ssize_t
679 sysfs_mbox_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
680 {
681         struct Scsi_Host *host =
682                 class_to_shost(container_of(kobj, struct class_device,
683                                             kobj));
684         struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
685         int rc;
686
687         if (off > sizeof(MAILBOX_t))
688                 return -ERANGE;
689
690         if ((count + off) > sizeof(MAILBOX_t))
691                 count = sizeof(MAILBOX_t) - off;
692
693         if (off % 4 ||  count % 4 || (unsigned long)buf % 4)
694                 return -EINVAL;
695
696         if (off && count == 0)
697                 return 0;
698
699         spin_lock_irq(phba->host->host_lock);
700
701         if (off == 0 &&
702             phba->sysfs_mbox.state  == SMBOX_WRITING &&
703             phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) {
704
705                 switch (phba->sysfs_mbox.mbox->mb.mbxCommand) {
706                         /* Offline only */
707                 case MBX_WRITE_NV:
708                 case MBX_INIT_LINK:
709                 case MBX_DOWN_LINK:
710                 case MBX_CONFIG_LINK:
711                 case MBX_CONFIG_RING:
712                 case MBX_RESET_RING:
713                 case MBX_UNREG_LOGIN:
714                 case MBX_CLEAR_LA:
715                 case MBX_DUMP_CONTEXT:
716                 case MBX_RUN_DIAGS:
717                 case MBX_RESTART:
718                 case MBX_FLASH_WR_ULA:
719                 case MBX_SET_MASK:
720                 case MBX_SET_SLIM:
721                 case MBX_SET_DEBUG:
722                         if (!(phba->fc_flag & FC_OFFLINE_MODE)) {
723                                 printk(KERN_WARNING "mbox_read:Command 0x%x "
724                                        "is illegal in on-line state\n",
725                                        phba->sysfs_mbox.mbox->mb.mbxCommand);
726                                 sysfs_mbox_idle(phba);
727                                 spin_unlock_irq(phba->host->host_lock);
728                                 return -EPERM;
729                         }
730                 case MBX_LOAD_SM:
731                 case MBX_READ_NV:
732                 case MBX_READ_CONFIG:
733                 case MBX_READ_RCONFIG:
734                 case MBX_READ_STATUS:
735                 case MBX_READ_XRI:
736                 case MBX_READ_REV:
737                 case MBX_READ_LNK_STAT:
738                 case MBX_DUMP_MEMORY:
739                 case MBX_DOWN_LOAD:
740                 case MBX_UPDATE_CFG:
741                 case MBX_LOAD_AREA:
742                 case MBX_LOAD_EXP_ROM:
743                         break;
744                 case MBX_READ_SPARM64:
745                 case MBX_READ_LA:
746                 case MBX_READ_LA64:
747                 case MBX_REG_LOGIN:
748                 case MBX_REG_LOGIN64:
749                 case MBX_CONFIG_PORT:
750                 case MBX_RUN_BIU_DIAG:
751                         printk(KERN_WARNING "mbox_read: Illegal Command 0x%x\n",
752                                phba->sysfs_mbox.mbox->mb.mbxCommand);
753                         sysfs_mbox_idle(phba);
754                         spin_unlock_irq(phba->host->host_lock);
755                         return -EPERM;
756                 default:
757                         printk(KERN_WARNING "mbox_read: Unknown Command 0x%x\n",
758                                phba->sysfs_mbox.mbox->mb.mbxCommand);
759                         sysfs_mbox_idle(phba);
760                         spin_unlock_irq(phba->host->host_lock);
761                         return -EPERM;
762                 }
763
764                 if ((phba->fc_flag & FC_OFFLINE_MODE) ||
765                     (!(phba->sli.sli_flag & LPFC_SLI2_ACTIVE))){
766
767                         spin_unlock_irq(phba->host->host_lock);
768                         rc = lpfc_sli_issue_mbox (phba,
769                                                   phba->sysfs_mbox.mbox,
770                                                   MBX_POLL);
771                         spin_lock_irq(phba->host->host_lock);
772
773                 } else {
774                         spin_unlock_irq(phba->host->host_lock);
775                         rc = lpfc_sli_issue_mbox_wait (phba,
776                                                        phba->sysfs_mbox.mbox,
777                                                        phba->fc_ratov * 2);
778                         spin_lock_irq(phba->host->host_lock);
779                 }
780
781                 if (rc != MBX_SUCCESS) {
782                         sysfs_mbox_idle(phba);
783                         spin_unlock_irq(host->host_lock);
784                         return -ENODEV;
785                 }
786                 phba->sysfs_mbox.state = SMBOX_READING;
787         }
788         else if (phba->sysfs_mbox.offset != off ||
789                  phba->sysfs_mbox.state  != SMBOX_READING) {
790                 printk(KERN_WARNING  "mbox_read: Bad State\n");
791                 sysfs_mbox_idle(phba);
792                 spin_unlock_irq(host->host_lock);
793                 return -EINVAL;
794         }
795
796         memcpy(buf, (uint8_t *) & phba->sysfs_mbox.mbox->mb + off, count);
797
798         phba->sysfs_mbox.offset = off + count;
799
800         if (phba->sysfs_mbox.offset == sizeof(MAILBOX_t))
801                 sysfs_mbox_idle(phba);
802
803         spin_unlock_irq(phba->host->host_lock);
804
805         return count;
806 }
807
808 static struct bin_attribute sysfs_mbox_attr = {
809         .attr = {
810                 .name = "mbox",
811                 .mode = S_IRUSR | S_IWUSR,
812                 .owner = THIS_MODULE,
813         },
814         .size = sizeof(MAILBOX_t),
815         .read = sysfs_mbox_read,
816         .write = sysfs_mbox_write,
817 };
818
819 int
820 lpfc_alloc_sysfs_attr(struct lpfc_hba *phba)
821 {
822         struct Scsi_Host *host = phba->host;
823         int error;
824
825         error = sysfs_create_bin_file(&host->shost_classdev.kobj,
826                                                         &sysfs_ctlreg_attr);
827         if (error)
828                 goto out;
829
830         error = sysfs_create_bin_file(&host->shost_classdev.kobj,
831                                                         &sysfs_mbox_attr);
832         if (error)
833                 goto out_remove_ctlreg_attr;
834
835         return 0;
836 out_remove_ctlreg_attr:
837         sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_ctlreg_attr);
838 out:
839         return error;
840 }
841
842 void
843 lpfc_free_sysfs_attr(struct lpfc_hba *phba)
844 {
845         struct Scsi_Host *host = phba->host;
846
847         sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_mbox_attr);
848         sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_ctlreg_attr);
849 }
850
851
852 /*
853  * Dynamic FC Host Attributes Support
854  */
855
856 static void
857 lpfc_get_host_port_id(struct Scsi_Host *shost)
858 {
859         struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
860         /* note: fc_myDID already in cpu endianness */
861         fc_host_port_id(shost) = phba->fc_myDID;
862 }
863
864 static void
865 lpfc_get_host_port_type(struct Scsi_Host *shost)
866 {
867         struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
868
869         spin_lock_irq(shost->host_lock);
870
871         if (phba->hba_state == LPFC_HBA_READY) {
872                 if (phba->fc_topology == TOPOLOGY_LOOP) {
873                         if (phba->fc_flag & FC_PUBLIC_LOOP)
874                                 fc_host_port_type(shost) = FC_PORTTYPE_NLPORT;
875                         else
876                                 fc_host_port_type(shost) = FC_PORTTYPE_LPORT;
877                 } else {
878                         if (phba->fc_flag & FC_FABRIC)
879                                 fc_host_port_type(shost) = FC_PORTTYPE_NPORT;
880                         else
881                                 fc_host_port_type(shost) = FC_PORTTYPE_PTP;
882                 }
883         } else
884                 fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN;
885
886         spin_unlock_irq(shost->host_lock);
887 }
888
889 static void
890 lpfc_get_host_port_state(struct Scsi_Host *shost)
891 {
892         struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
893
894         spin_lock_irq(shost->host_lock);
895
896         if (phba->fc_flag & FC_OFFLINE_MODE)
897                 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
898         else {
899                 switch (phba->hba_state) {
900                 case LPFC_INIT_START:
901                 case LPFC_INIT_MBX_CMDS:
902                 case LPFC_LINK_DOWN:
903                         fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
904                         break;
905                 case LPFC_LINK_UP:
906                 case LPFC_LOCAL_CFG_LINK:
907                 case LPFC_FLOGI:
908                 case LPFC_FABRIC_CFG_LINK:
909                 case LPFC_NS_REG:
910                 case LPFC_NS_QRY:
911                 case LPFC_BUILD_DISC_LIST:
912                 case LPFC_DISC_AUTH:
913                 case LPFC_CLEAR_LA:
914                 case LPFC_HBA_READY:
915                         /* Links up, beyond this port_type reports state */
916                         fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
917                         break;
918                 case LPFC_HBA_ERROR:
919                         fc_host_port_state(shost) = FC_PORTSTATE_ERROR;
920                         break;
921                 default:
922                         fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
923                         break;
924                 }
925         }
926
927         spin_unlock_irq(shost->host_lock);
928 }
929
930 static void
931 lpfc_get_host_speed(struct Scsi_Host *shost)
932 {
933         struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
934
935         spin_lock_irq(shost->host_lock);
936
937         if (phba->hba_state == LPFC_HBA_READY) {
938                 switch(phba->fc_linkspeed) {
939                         case LA_1GHZ_LINK:
940                                 fc_host_speed(shost) = FC_PORTSPEED_1GBIT;
941                         break;
942                         case LA_2GHZ_LINK:
943                                 fc_host_speed(shost) = FC_PORTSPEED_2GBIT;
944                         break;
945                         case LA_4GHZ_LINK:
946                                 fc_host_speed(shost) = FC_PORTSPEED_4GBIT;
947                         break;
948                         default:
949                                 fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
950                         break;
951                 }
952         }
953
954         spin_unlock_irq(shost->host_lock);
955 }
956
957 static void
958 lpfc_get_host_fabric_name (struct Scsi_Host *shost)
959 {
960         struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
961         u64 node_name;
962
963         spin_lock_irq(shost->host_lock);
964
965         if ((phba->fc_flag & FC_FABRIC) ||
966             ((phba->fc_topology == TOPOLOGY_LOOP) &&
967              (phba->fc_flag & FC_PUBLIC_LOOP)))
968                 node_name = wwn_to_u64(phba->fc_fabparam.nodeName.u.wwn);
969         else
970                 /* fabric is local port if there is no F/FL_Port */
971                 node_name = wwn_to_u64(phba->fc_nodename.u.wwn);
972
973         spin_unlock_irq(shost->host_lock);
974
975         fc_host_fabric_name(shost) = node_name;
976 }
977
978
979 static struct fc_host_statistics *
980 lpfc_get_stats(struct Scsi_Host *shost)
981 {
982         struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata[0];
983         struct lpfc_sli *psli = &phba->sli;
984         struct fc_host_statistics *hs = &phba->link_stats;
985         LPFC_MBOXQ_t *pmboxq;
986         MAILBOX_t *pmb;
987         int rc=0;
988
989         pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
990         if (!pmboxq)
991                 return NULL;
992         memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
993
994         pmb = &pmboxq->mb;
995         pmb->mbxCommand = MBX_READ_STATUS;
996         pmb->mbxOwner = OWN_HOST;
997         pmboxq->context1 = NULL;
998
999         if ((phba->fc_flag & FC_OFFLINE_MODE) ||
1000             (!(psli->sli_flag & LPFC_SLI2_ACTIVE))){
1001                 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
1002         } else
1003                 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
1004
1005         if (rc != MBX_SUCCESS) {
1006                 if (pmboxq) {
1007                         if (rc == MBX_TIMEOUT)
1008                                 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1009                         else
1010                                 mempool_free( pmboxq, phba->mbox_mem_pool);
1011                 }
1012                 return NULL;
1013         }
1014
1015         memset(hs, 0, sizeof (struct fc_host_statistics));
1016
1017         hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt;
1018         hs->tx_words = (pmb->un.varRdStatus.xmitByteCnt * 256);
1019         hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt;
1020         hs->rx_words = (pmb->un.varRdStatus.rcvByteCnt * 256);
1021
1022         memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
1023         pmb->mbxCommand = MBX_READ_LNK_STAT;
1024         pmb->mbxOwner = OWN_HOST;
1025         pmboxq->context1 = NULL;
1026
1027         if ((phba->fc_flag & FC_OFFLINE_MODE) ||
1028             (!(psli->sli_flag & LPFC_SLI2_ACTIVE))) {
1029                 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
1030         } else
1031                 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
1032
1033         if (rc != MBX_SUCCESS) {
1034                 if (pmboxq) {
1035                         if (rc == MBX_TIMEOUT)
1036                                 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1037                         else
1038                                 mempool_free( pmboxq, phba->mbox_mem_pool);
1039                 }
1040                 return NULL;
1041         }
1042
1043         hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
1044         hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
1045         hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
1046         hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
1047         hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
1048         hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
1049         hs->error_frames = pmb->un.varRdLnk.crcCnt;
1050
1051         if (phba->fc_topology == TOPOLOGY_LOOP) {
1052                 hs->lip_count = (phba->fc_eventTag >> 1);
1053                 hs->nos_count = -1;
1054         } else {
1055                 hs->lip_count = -1;
1056                 hs->nos_count = (phba->fc_eventTag >> 1);
1057         }
1058
1059         hs->dumped_frames = -1;
1060
1061 /* FIX ME */
1062         /*hs->SecondsSinceLastReset = (jiffies - lpfc_loadtime) / HZ;*/
1063
1064         return hs;
1065 }
1066
1067
1068 /*
1069  * The LPFC driver treats linkdown handling as target loss events so there
1070  * are no sysfs handlers for link_down_tmo.
1071  */
1072 static void
1073 lpfc_get_starget_port_id(struct scsi_target *starget)
1074 {
1075         struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
1076         struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata[0];
1077         uint32_t did = -1;
1078         struct lpfc_nodelist *ndlp = NULL;
1079
1080         spin_lock_irq(shost->host_lock);
1081         /* Search the mapped list for this target ID */
1082         list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
1083                 if (starget->id == ndlp->nlp_sid) {
1084                         did = ndlp->nlp_DID;
1085                         break;
1086                 }
1087         }
1088         spin_unlock_irq(shost->host_lock);
1089
1090         fc_starget_port_id(starget) = did;
1091 }
1092
1093 static void
1094 lpfc_get_starget_node_name(struct scsi_target *starget)
1095 {
1096         struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
1097         struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata[0];
1098         u64 node_name = 0;
1099         struct lpfc_nodelist *ndlp = NULL;
1100
1101         spin_lock_irq(shost->host_lock);
1102         /* Search the mapped list for this target ID */
1103         list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
1104                 if (starget->id == ndlp->nlp_sid) {
1105                         node_name = wwn_to_u64(ndlp->nlp_nodename.u.wwn);
1106                         break;
1107                 }
1108         }
1109         spin_unlock_irq(shost->host_lock);
1110
1111         fc_starget_node_name(starget) = node_name;
1112 }
1113
1114 static void
1115 lpfc_get_starget_port_name(struct scsi_target *starget)
1116 {
1117         struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
1118         struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata[0];
1119         u64 port_name = 0;
1120         struct lpfc_nodelist *ndlp = NULL;
1121
1122         spin_lock_irq(shost->host_lock);
1123         /* Search the mapped list for this target ID */
1124         list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
1125                 if (starget->id == ndlp->nlp_sid) {
1126                         port_name = wwn_to_u64(ndlp->nlp_portname.u.wwn);
1127                         break;
1128                 }
1129         }
1130         spin_unlock_irq(shost->host_lock);
1131
1132         fc_starget_port_name(starget) = port_name;
1133 }
1134
1135 static void
1136 lpfc_get_rport_loss_tmo(struct fc_rport *rport)
1137 {
1138         /*
1139          * Return the driver's global value for device loss timeout plus
1140          * five seconds to allow the driver's nodev timer to run.
1141          */
1142         rport->dev_loss_tmo = lpfc_nodev_tmo + 5;
1143 }
1144
1145 static void
1146 lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
1147 {
1148         /*
1149          * The driver doesn't have a per-target timeout setting.  Set
1150          * this value globally. lpfc_nodev_tmo should be greater then 0.
1151          */
1152         if (timeout)
1153                 lpfc_nodev_tmo = timeout;
1154         else
1155                 lpfc_nodev_tmo = 1;
1156         rport->dev_loss_tmo = lpfc_nodev_tmo + 5;
1157 }
1158
1159
1160 #define lpfc_rport_show_function(field, format_string, sz, cast)        \
1161 static ssize_t                                                          \
1162 lpfc_show_rport_##field (struct class_device *cdev, char *buf)          \
1163 {                                                                       \
1164         struct fc_rport *rport = transport_class_to_rport(cdev);        \
1165         struct lpfc_rport_data *rdata = rport->hostdata;                \
1166         return snprintf(buf, sz, format_string,                         \
1167                 (rdata->target) ? cast rdata->target->field : 0);       \
1168 }
1169
1170 #define lpfc_rport_rd_attr(field, format_string, sz)                    \
1171         lpfc_rport_show_function(field, format_string, sz, )            \
1172 static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL)
1173
1174
1175 struct fc_function_template lpfc_transport_functions = {
1176         /* fixed attributes the driver supports */
1177         .show_host_node_name = 1,
1178         .show_host_port_name = 1,
1179         .show_host_supported_classes = 1,
1180         .show_host_supported_fc4s = 1,
1181         .show_host_symbolic_name = 1,
1182         .show_host_supported_speeds = 1,
1183         .show_host_maxframe_size = 1,
1184
1185         /* dynamic attributes the driver supports */
1186         .get_host_port_id = lpfc_get_host_port_id,
1187         .show_host_port_id = 1,
1188
1189         .get_host_port_type = lpfc_get_host_port_type,
1190         .show_host_port_type = 1,
1191
1192         .get_host_port_state = lpfc_get_host_port_state,
1193         .show_host_port_state = 1,
1194
1195         /* active_fc4s is shown but doesn't change (thus no get function) */
1196         .show_host_active_fc4s = 1,
1197
1198         .get_host_speed = lpfc_get_host_speed,
1199         .show_host_speed = 1,
1200
1201         .get_host_fabric_name = lpfc_get_host_fabric_name,
1202         .show_host_fabric_name = 1,
1203
1204         /*
1205          * The LPFC driver treats linkdown handling as target loss events
1206          * so there are no sysfs handlers for link_down_tmo.
1207          */
1208
1209         .get_fc_host_stats = lpfc_get_stats,
1210
1211         /* the LPFC driver doesn't support resetting stats yet */
1212
1213         .dd_fcrport_size = sizeof(struct lpfc_rport_data),
1214         .show_rport_maxframe_size = 1,
1215         .show_rport_supported_classes = 1,
1216
1217         .get_rport_dev_loss_tmo = lpfc_get_rport_loss_tmo,
1218         .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
1219         .show_rport_dev_loss_tmo = 1,
1220
1221         .get_starget_port_id  = lpfc_get_starget_port_id,
1222         .show_starget_port_id = 1,
1223
1224         .get_starget_node_name = lpfc_get_starget_node_name,
1225         .show_starget_node_name = 1,
1226
1227         .get_starget_port_name = lpfc_get_starget_port_name,
1228         .show_starget_port_name = 1,
1229
1230         .issue_fc_host_lip = lpfc_issue_lip,
1231 };
1232
1233 void
1234 lpfc_get_cfgparam(struct lpfc_hba *phba)
1235 {
1236         phba->cfg_log_verbose = lpfc_log_verbose;
1237         phba->cfg_cr_delay = lpfc_cr_delay;
1238         phba->cfg_cr_count = lpfc_cr_count;
1239         phba->cfg_lun_queue_depth = lpfc_lun_queue_depth;
1240         phba->cfg_fcp_class = lpfc_fcp_class;
1241         phba->cfg_use_adisc = lpfc_use_adisc;
1242         phba->cfg_ack0 = lpfc_ack0;
1243         phba->cfg_topology = lpfc_topology;
1244         phba->cfg_scan_down = lpfc_scan_down;
1245         phba->cfg_nodev_tmo = lpfc_nodev_tmo;
1246         phba->cfg_link_speed = lpfc_link_speed;
1247         phba->cfg_fdmi_on = lpfc_fdmi_on;
1248         phba->cfg_discovery_threads = lpfc_discovery_threads;
1249         phba->cfg_max_luns = lpfc_max_luns;
1250
1251         /*
1252          * The total number of segments is the configuration value plus 2
1253          * since the IOCB need a command and response bde.
1254          */
1255         phba->cfg_sg_seg_cnt = LPFC_SG_SEG_CNT + 2;
1256
1257         /*
1258          * Since the sg_tablesize is module parameter, the sg_dma_buf_size
1259          * used to create the sg_dma_buf_pool must be dynamically calculated
1260          */
1261         phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
1262                         sizeof(struct fcp_rsp) +
1263                         (phba->cfg_sg_seg_cnt * sizeof(struct ulp_bde64));
1264
1265         switch (phba->pcidev->device) {
1266         case PCI_DEVICE_ID_LP101:
1267         case PCI_DEVICE_ID_BSMB:
1268         case PCI_DEVICE_ID_ZSMB:
1269                 phba->cfg_hba_queue_depth = LPFC_LP101_HBA_Q_DEPTH;
1270                 break;
1271         case PCI_DEVICE_ID_RFLY:
1272         case PCI_DEVICE_ID_PFLY:
1273         case PCI_DEVICE_ID_BMID:
1274         case PCI_DEVICE_ID_ZMID:
1275         case PCI_DEVICE_ID_TFLY:
1276                 phba->cfg_hba_queue_depth = LPFC_LC_HBA_Q_DEPTH;
1277                 break;
1278         default:
1279                 phba->cfg_hba_queue_depth = LPFC_DFT_HBA_Q_DEPTH;
1280         }
1281         return;
1282 }