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[PATCH] W1: w1_netlink: New init/fini netlink callbacks.
[linux-2.6/verdex.git] / drivers / scsi / lpfc / lpfc_attr.c
blob0e089a42c03ad310b000f2369633beb5d13f31a3
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 ssize_t
204 lpfc_issue_lip (struct class_device *cdev, const char *buf, size_t count)
205 {
206 struct Scsi_Host *host = class_to_shost(cdev);
207 struct lpfc_hba *phba = (struct lpfc_hba *) host->hostdata[0];
208 int val = 0;
209 LPFC_MBOXQ_t *pmboxq;
210 int mbxstatus = MBXERR_ERROR;
211
212 if ((sscanf(buf, "%d", &val) != 1) ||
213 (val != 1))
214 return -EINVAL;
215
216 if ((phba->fc_flag & FC_OFFLINE_MODE) ||
217 (phba->hba_state != LPFC_HBA_READY))
218 return -EPERM;
219
220 pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL);
221
222 if (!pmboxq)
223 return -ENOMEM;
224
225 memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
226 lpfc_init_link(phba, pmboxq, phba->cfg_topology, phba->cfg_link_speed);
227 mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
228
229 if (mbxstatus == MBX_TIMEOUT)
230 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
231 else
232 mempool_free( pmboxq, phba->mbox_mem_pool);
233
234 if (mbxstatus == MBXERR_ERROR)
235 return -EIO;
236
237 return strlen(buf);
238 }
239
240 static ssize_t
241 lpfc_nport_evt_cnt_show(struct class_device *cdev, char *buf)
242 {
243 struct Scsi_Host *host = class_to_shost(cdev);
244 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
245 return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt);
246 }
247
248 static ssize_t
249 lpfc_board_online_show(struct class_device *cdev, char *buf)
250 {
251 struct Scsi_Host *host = class_to_shost(cdev);
252 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
253
254 if (!phba) return 0;
255
256 if (phba->fc_flag & FC_OFFLINE_MODE)
257 return snprintf(buf, PAGE_SIZE, "0\n");
258 else
259 return snprintf(buf, PAGE_SIZE, "1\n");
260 }
261
262 static ssize_t
263 lpfc_board_online_store(struct class_device *cdev, const char *buf,
264 size_t count)
265 {
266 struct Scsi_Host *host = class_to_shost(cdev);
267 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
268 struct completion online_compl;
269 int val=0, status=0;
270
271 if (sscanf(buf, "%d", &val) != 1)
272 return 0;
273
274 init_completion(&online_compl);
275
276 if (val)
277 lpfc_workq_post_event(phba, &status, &online_compl,
278 LPFC_EVT_ONLINE);
279 else
280 lpfc_workq_post_event(phba, &status, &online_compl,
281 LPFC_EVT_OFFLINE);
282 wait_for_completion(&online_compl);
283 if (!status)
284 return strlen(buf);
285 else
286 return 0;
287 }
288
289
290 #define lpfc_param_show(attr) \
291 static ssize_t \
292 lpfc_##attr##_show(struct class_device *cdev, char *buf) \
293 { \
294 struct Scsi_Host *host = class_to_shost(cdev);\
295 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];\
296 int val = 0;\
297 if (phba){\
298 val = phba->cfg_##attr;\
299 return snprintf(buf, PAGE_SIZE, "%d\n",\
300 phba->cfg_##attr);\
301 }\
302 return 0;\
303 }
304
305 #define lpfc_param_store(attr, minval, maxval) \
306 static ssize_t \
307 lpfc_##attr##_store(struct class_device *cdev, const char *buf, size_t count) \
308 { \
309 struct Scsi_Host *host = class_to_shost(cdev);\
310 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];\
311 int val = 0;\
312 if (!isdigit(buf[0]))\
313 return -EINVAL;\
314 if (sscanf(buf, "0x%x", &val) != 1)\
315 if (sscanf(buf, "%d", &val) != 1)\
316 return -EINVAL;\
317 if (phba){\
318 if (val >= minval && val <= maxval) {\
319 phba->cfg_##attr = val;\
320 return strlen(buf);\
321 }\
322 }\
323 return 0;\
324 }
325
326 #define LPFC_ATTR_R_NOINIT(name, desc) \
327 extern int lpfc_##name;\
328 module_param(lpfc_##name, int, 0);\
329 MODULE_PARM_DESC(lpfc_##name, desc);\
330 lpfc_param_show(name)\
331 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
332
333 #define LPFC_ATTR_R(name, defval, minval, maxval, desc) \
334 static int lpfc_##name = defval;\
335 module_param(lpfc_##name, int, 0);\
336 MODULE_PARM_DESC(lpfc_##name, desc);\
337 lpfc_param_show(name)\
338 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
339
340 #define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \
341 static int lpfc_##name = defval;\
342 module_param(lpfc_##name, int, 0);\
343 MODULE_PARM_DESC(lpfc_##name, desc);\
344 lpfc_param_show(name)\
345 lpfc_param_store(name, minval, maxval)\
346 static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
347 lpfc_##name##_show, lpfc_##name##_store)
348
349 static CLASS_DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL);
350 static CLASS_DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL);
351 static CLASS_DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL);
352 static CLASS_DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL);
353 static CLASS_DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL);
354 static CLASS_DEVICE_ATTR(portnum, S_IRUGO, lpfc_portnum_show, NULL);
355 static CLASS_DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL);
356 static CLASS_DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL);
357 static CLASS_DEVICE_ATTR(state, S_IRUGO, lpfc_state_show, NULL);
358 static CLASS_DEVICE_ATTR(option_rom_version, S_IRUGO,
359 lpfc_option_rom_version_show, NULL);
360 static CLASS_DEVICE_ATTR(num_discovered_ports, S_IRUGO,
361 lpfc_num_discovered_ports_show, NULL);
362 static CLASS_DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL);
363 static CLASS_DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show,
364 NULL);
365 static CLASS_DEVICE_ATTR(management_version, S_IRUGO, management_version_show,
366 NULL);
367 static CLASS_DEVICE_ATTR(issue_lip, S_IWUSR, NULL, lpfc_issue_lip);
368 static CLASS_DEVICE_ATTR(board_online, S_IRUGO | S_IWUSR,
369 lpfc_board_online_show, lpfc_board_online_store);
370
371
372 /*
373 # lpfc_log_verbose: Only turn this flag on if you are willing to risk being
374 # deluged with LOTS of information.
375 # You can set a bit mask to record specific types of verbose messages:
376 #
377 # LOG_ELS 0x1 ELS events
378 # LOG_DISCOVERY 0x2 Link discovery events
379 # LOG_MBOX 0x4 Mailbox events
380 # LOG_INIT 0x8 Initialization events
381 # LOG_LINK_EVENT 0x10 Link events
382 # LOG_IP 0x20 IP traffic history
383 # LOG_FCP 0x40 FCP traffic history
384 # LOG_NODE 0x80 Node table events
385 # LOG_MISC 0x400 Miscellaneous events
386 # LOG_SLI 0x800 SLI events
387 # LOG_CHK_COND 0x1000 FCP Check condition flag
388 # LOG_LIBDFC 0x2000 LIBDFC events
389 # LOG_ALL_MSG 0xffff LOG all messages
390 */
391 LPFC_ATTR_RW(log_verbose, 0x0, 0x0, 0xffff, "Verbose logging bit-mask");
392
393 /*
394 # lun_queue_depth: This parameter is used to limit the number of outstanding
395 # commands per FCP LUN. Value range is [1,128]. Default value is 30.
396 */
397 LPFC_ATTR_R(lun_queue_depth, 30, 1, 128,
398 "Max number of FCP commands we can queue to a specific LUN");
399
400 /*
401 # Some disk devices have a "select ID" or "select Target" capability.
402 # From a protocol standpoint "select ID" usually means select the
403 # Fibre channel "ALPA". In the FC-AL Profile there is an "informative
404 # annex" which contains a table that maps a "select ID" (a number
405 # between 0 and 7F) to an ALPA. By default, for compatibility with
406 # older drivers, the lpfc driver scans this table from low ALPA to high
407 # ALPA.
408 #
409 # Turning on the scan-down variable (on = 1, off = 0) will
410 # cause the lpfc driver to use an inverted table, effectively
411 # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1.
412 #
413 # (Note: This "select ID" functionality is a LOOP ONLY characteristic
414 # and will not work across a fabric. Also this parameter will take
415 # effect only in the case when ALPA map is not available.)
416 */
417 LPFC_ATTR_R(scan_down, 1, 0, 1,
418 "Start scanning for devices from highest ALPA to lowest");
419
420 /*
421 # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
422 # until the timer expires. Value range is [0,255]. Default value is 20.
423 # NOTE: this MUST be less then the SCSI Layer command timeout - 1.
424 */
425 LPFC_ATTR_RW(nodev_tmo, 30, 0, 255,
426 "Seconds driver will hold I/O waiting for a device to come back");
427
428 /*
429 # lpfc_topology: link topology for init link
430 # 0x0 = attempt loop mode then point-to-point
431 # 0x02 = attempt point-to-point mode only
432 # 0x04 = attempt loop mode only
433 # 0x06 = attempt point-to-point mode then loop
434 # Set point-to-point mode if you want to run as an N_Port.
435 # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6].
436 # Default value is 0.
437 */
438 LPFC_ATTR_R(topology, 0, 0, 6, "Select Fibre Channel topology");
439
440 /*
441 # lpfc_link_speed: Link speed selection for initializing the Fibre Channel
442 # connection.
443 # 0 = auto select (default)
444 # 1 = 1 Gigabaud
445 # 2 = 2 Gigabaud
446 # 4 = 4 Gigabaud
447 # Value range is [0,4]. Default value is 0.
448 */
449 LPFC_ATTR_R(link_speed, 0, 0, 4, "Select link speed");
450
451 /*
452 # lpfc_fcp_class: Determines FC class to use for the FCP protocol.
453 # Value range is [2,3]. Default value is 3.
454 */
455 LPFC_ATTR_R(fcp_class, 3, 2, 3,
456 "Select Fibre Channel class of service for FCP sequences");
457
458 /*
459 # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range
460 # is [0,1]. Default value is 0.
461 */
462 LPFC_ATTR_RW(use_adisc, 0, 0, 1,
463 "Use ADISC on rediscovery to authenticate FCP devices");
464
465 /*
466 # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value
467 # range is [0,1]. Default value is 0.
468 */
469 LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support");
470
471 /*
472 # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing
473 # cr_delay (msec) or cr_count outstanding commands. cr_delay can take
474 # value [0,63]. cr_count can take value [0,255]. Default value of cr_delay
475 # is 0. Default value of cr_count is 1. The cr_count feature is disabled if
476 # cr_delay is set to 0.
477 */
478 static int lpfc_cr_delay = 0;
479 module_param(lpfc_cr_delay, int , 0);
480 MODULE_PARM_DESC(lpfc_cr_delay, "A count of milliseconds after which an "
481 "interrupt response is generated");
482
483 static int lpfc_cr_count = 1;
484 module_param(lpfc_cr_count, int, 0);
485 MODULE_PARM_DESC(lpfc_cr_count, "A count of I/O completions after which an "
486 "interrupt response is generated");
487
488 /*
489 # lpfc_fdmi_on: controls FDMI support.
490 # 0 = no FDMI support
491 # 1 = support FDMI without attribute of hostname
492 # 2 = support FDMI with attribute of hostname
493 # Value range [0,2]. Default value is 0.
494 */
495 LPFC_ATTR_RW(fdmi_on, 0, 0, 2, "Enable FDMI support");
496
497 /*
498 # Specifies the maximum number of ELS cmds we can have outstanding (for
499 # discovery). Value range is [1,64]. Default value = 32.
500 */
501 static int lpfc_discovery_threads = 32;
502 module_param(lpfc_discovery_threads, int, 0);
503 MODULE_PARM_DESC(lpfc_discovery_threads, "Maximum number of ELS commands "
504 "during discovery");
505
506 /*
507 # lpfc_max_luns: maximum number of LUNs per target driver will support
508 # Value range is [1,32768]. Default value is 256.
509 # NOTE: The SCSI layer will scan each target for this many luns
510 */
511 LPFC_ATTR_R(max_luns, 256, 1, 32768,
512 "Maximum number of LUNs per target driver will support");
513
514 struct class_device_attribute *lpfc_host_attrs[] = {
515 &class_device_attr_info,
516 &class_device_attr_serialnum,
517 &class_device_attr_modeldesc,
518 &class_device_attr_modelname,
519 &class_device_attr_programtype,
520 &class_device_attr_portnum,
521 &class_device_attr_fwrev,
522 &class_device_attr_hdw,
523 &class_device_attr_option_rom_version,
524 &class_device_attr_state,
525 &class_device_attr_num_discovered_ports,
526 &class_device_attr_lpfc_drvr_version,
527 &class_device_attr_lpfc_log_verbose,
528 &class_device_attr_lpfc_lun_queue_depth,
529 &class_device_attr_lpfc_nodev_tmo,
530 &class_device_attr_lpfc_fcp_class,
531 &class_device_attr_lpfc_use_adisc,
532 &class_device_attr_lpfc_ack0,
533 &class_device_attr_lpfc_topology,
534 &class_device_attr_lpfc_scan_down,
535 &class_device_attr_lpfc_link_speed,
536 &class_device_attr_lpfc_fdmi_on,
537 &class_device_attr_lpfc_max_luns,
538 &class_device_attr_nport_evt_cnt,
539 &class_device_attr_management_version,
540 &class_device_attr_issue_lip,
541 &class_device_attr_board_online,
542 NULL,
543 };
544
545 static ssize_t
546 sysfs_ctlreg_write(struct kobject *kobj, char *buf, loff_t off, size_t count)
547 {
548 size_t buf_off;
549 struct Scsi_Host *host = class_to_shost(container_of(kobj,
550 struct class_device, kobj));
551 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
552
553 if ((off + count) > FF_REG_AREA_SIZE)
554 return -ERANGE;
555
556 if (count == 0) return 0;
557
558 if (off % 4 || count % 4 || (unsigned long)buf % 4)
559 return -EINVAL;
560
561 spin_lock_irq(phba->host->host_lock);
562
563 if (!(phba->fc_flag & FC_OFFLINE_MODE)) {
564 spin_unlock_irq(phba->host->host_lock);
565 return -EPERM;
566 }
567
568 for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t))
569 writel(*((uint32_t *)(buf + buf_off)),
570 phba->ctrl_regs_memmap_p + off + buf_off);
571
572 spin_unlock_irq(phba->host->host_lock);
573
574 return count;
575 }
576
577 static ssize_t
578 sysfs_ctlreg_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
579 {
580 size_t buf_off;
581 uint32_t * tmp_ptr;
582 struct Scsi_Host *host = class_to_shost(container_of(kobj,
583 struct class_device, kobj));
584 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
585
586 if (off > FF_REG_AREA_SIZE)
587 return -ERANGE;
588
589 if ((off + count) > FF_REG_AREA_SIZE)
590 count = FF_REG_AREA_SIZE - off;
591
592 if (count == 0) return 0;
593
594 if (off % 4 || count % 4 || (unsigned long)buf % 4)
595 return -EINVAL;
596
597 spin_lock_irq(phba->host->host_lock);
598
599 for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) {
600 tmp_ptr = (uint32_t *)(buf + buf_off);
601 *tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off);
602 }
603
604 spin_unlock_irq(phba->host->host_lock);
605
606 return count;
607 }
608
609 static struct bin_attribute sysfs_ctlreg_attr = {
610 .attr = {
611 .name = "ctlreg",
612 .mode = S_IRUSR | S_IWUSR,
613 .owner = THIS_MODULE,
614 },
615 .size = 256,
616 .read = sysfs_ctlreg_read,
617 .write = sysfs_ctlreg_write,
618 };
619
620
621 static void
622 sysfs_mbox_idle (struct lpfc_hba * phba)
623 {
624 phba->sysfs_mbox.state = SMBOX_IDLE;
625 phba->sysfs_mbox.offset = 0;
626
627 if (phba->sysfs_mbox.mbox) {
628 mempool_free(phba->sysfs_mbox.mbox,
629 phba->mbox_mem_pool);
630 phba->sysfs_mbox.mbox = NULL;
631 }
632 }
633
634 static ssize_t
635 sysfs_mbox_write(struct kobject *kobj, char *buf, loff_t off, size_t count)
636 {
637 struct Scsi_Host * host =
638 class_to_shost(container_of(kobj, struct class_device, kobj));
639 struct lpfc_hba * phba = (struct lpfc_hba*)host->hostdata[0];
640 struct lpfcMboxq * mbox = NULL;
641
642 if ((count + off) > MAILBOX_CMD_SIZE)
643 return -ERANGE;
644
645 if (off % 4 || count % 4 || (unsigned long)buf % 4)
646 return -EINVAL;
647
648 if (count == 0)
649 return 0;
650
651 if (off == 0) {
652 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
653 if (!mbox)
654 return -ENOMEM;
655
656 }
657
658 spin_lock_irq(host->host_lock);
659
660 if (off == 0) {
661 if (phba->sysfs_mbox.mbox)
662 mempool_free(mbox, phba->mbox_mem_pool);
663 else
664 phba->sysfs_mbox.mbox = mbox;
665 phba->sysfs_mbox.state = SMBOX_WRITING;
666 } else {
667 if (phba->sysfs_mbox.state != SMBOX_WRITING ||
668 phba->sysfs_mbox.offset != off ||
669 phba->sysfs_mbox.mbox == NULL ) {
670 sysfs_mbox_idle(phba);
671 spin_unlock_irq(host->host_lock);
672 return -EINVAL;
673 }
674 }
675
676 memcpy((uint8_t *) & phba->sysfs_mbox.mbox->mb + off,
677 buf, count);
678
679 phba->sysfs_mbox.offset = off + count;
680
681 spin_unlock_irq(host->host_lock);
682
683 return count;
684 }
685
686 static ssize_t
687 sysfs_mbox_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
688 {
689 struct Scsi_Host *host =
690 class_to_shost(container_of(kobj, struct class_device,
691 kobj));
692 struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];
693 int rc;
694
695 if (off > sizeof(MAILBOX_t))
696 return -ERANGE;
697
698 if ((count + off) > sizeof(MAILBOX_t))
699 count = sizeof(MAILBOX_t) - off;
700
701 if (off % 4 || count % 4 || (unsigned long)buf % 4)
702 return -EINVAL;
703
704 if (off && count == 0)
705 return 0;
706
707 spin_lock_irq(phba->host->host_lock);
708
709 if (off == 0 &&
710 phba->sysfs_mbox.state == SMBOX_WRITING &&
711 phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) {
712
713 switch (phba->sysfs_mbox.mbox->mb.mbxCommand) {
714 /* Offline only */
715 case MBX_WRITE_NV:
716 case MBX_INIT_LINK:
717 case MBX_DOWN_LINK:
718 case MBX_CONFIG_LINK:
719 case MBX_CONFIG_RING:
720 case MBX_RESET_RING:
721 case MBX_UNREG_LOGIN:
722 case MBX_CLEAR_LA:
723 case MBX_DUMP_CONTEXT:
724 case MBX_RUN_DIAGS:
725 case MBX_RESTART:
726 case MBX_FLASH_WR_ULA:
727 case MBX_SET_MASK:
728 case MBX_SET_SLIM:
729 case MBX_SET_DEBUG:
730 if (!(phba->fc_flag & FC_OFFLINE_MODE)) {
731 printk(KERN_WARNING "mbox_read:Command 0x%x "
732 "is illegal in on-line state\n",
733 phba->sysfs_mbox.mbox->mb.mbxCommand);
734 sysfs_mbox_idle(phba);
735 spin_unlock_irq(phba->host->host_lock);
736 return -EPERM;
737 }
738 case MBX_LOAD_SM:
739 case MBX_READ_NV:
740 case MBX_READ_CONFIG:
741 case MBX_READ_RCONFIG:
742 case MBX_READ_STATUS:
743 case MBX_READ_XRI:
744 case MBX_READ_REV:
745 case MBX_READ_LNK_STAT:
746 case MBX_DUMP_MEMORY:
747 case MBX_DOWN_LOAD:
748 case MBX_UPDATE_CFG:
749 case MBX_LOAD_AREA:
750 case MBX_LOAD_EXP_ROM:
751 break;
752 case MBX_READ_SPARM64:
753 case MBX_READ_LA:
754 case MBX_READ_LA64:
755 case MBX_REG_LOGIN:
756 case MBX_REG_LOGIN64:
757 case MBX_CONFIG_PORT:
758 case MBX_RUN_BIU_DIAG:
759 printk(KERN_WARNING "mbox_read: Illegal Command 0x%x\n",
760 phba->sysfs_mbox.mbox->mb.mbxCommand);
761 sysfs_mbox_idle(phba);
762 spin_unlock_irq(phba->host->host_lock);
763 return -EPERM;
764 default:
765 printk(KERN_WARNING "mbox_read: Unknown Command 0x%x\n",
766 phba->sysfs_mbox.mbox->mb.mbxCommand);
767 sysfs_mbox_idle(phba);
768 spin_unlock_irq(phba->host->host_lock);
769 return -EPERM;
770 }
771
772 if ((phba->fc_flag & FC_OFFLINE_MODE) ||
773 (!(phba->sli.sli_flag & LPFC_SLI2_ACTIVE))){
774
775 spin_unlock_irq(phba->host->host_lock);
776 rc = lpfc_sli_issue_mbox (phba,
777 phba->sysfs_mbox.mbox,
778 MBX_POLL);
779 spin_lock_irq(phba->host->host_lock);
780
781 } else {
782 spin_unlock_irq(phba->host->host_lock);
783 rc = lpfc_sli_issue_mbox_wait (phba,
784 phba->sysfs_mbox.mbox,
785 phba->fc_ratov * 2);
786 spin_lock_irq(phba->host->host_lock);
787 }
788
789 if (rc != MBX_SUCCESS) {
790 sysfs_mbox_idle(phba);
791 spin_unlock_irq(host->host_lock);
792 return -ENODEV;
793 }
794 phba->sysfs_mbox.state = SMBOX_READING;
795 }
796 else if (phba->sysfs_mbox.offset != off ||
797 phba->sysfs_mbox.state != SMBOX_READING) {
798 printk(KERN_WARNING "mbox_read: Bad State\n");
799 sysfs_mbox_idle(phba);
800 spin_unlock_irq(host->host_lock);
801 return -EINVAL;
802 }
803
804 memcpy(buf, (uint8_t *) & phba->sysfs_mbox.mbox->mb + off, count);
805
806 phba->sysfs_mbox.offset = off + count;
807
808 if (phba->sysfs_mbox.offset == sizeof(MAILBOX_t))
809 sysfs_mbox_idle(phba);
810
811 spin_unlock_irq(phba->host->host_lock);
812
813 return count;
814 }
815
816 static struct bin_attribute sysfs_mbox_attr = {
817 .attr = {
818 .name = "mbox",
819 .mode = S_IRUSR | S_IWUSR,
820 .owner = THIS_MODULE,
821 },
822 .size = sizeof(MAILBOX_t),
823 .read = sysfs_mbox_read,
824 .write = sysfs_mbox_write,
825 };
826
827 int
828 lpfc_alloc_sysfs_attr(struct lpfc_hba *phba)
829 {
830 struct Scsi_Host *host = phba->host;
831 int error;
832
833 error = sysfs_create_bin_file(&host->shost_classdev.kobj,
834 &sysfs_ctlreg_attr);
835 if (error)
836 goto out;
837
838 error = sysfs_create_bin_file(&host->shost_classdev.kobj,
839 &sysfs_mbox_attr);
840 if (error)
841 goto out_remove_ctlreg_attr;
842
843 return 0;
844 out_remove_ctlreg_attr:
845 sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_ctlreg_attr);
846 out:
847 return error;
848 }
849
850 void
851 lpfc_free_sysfs_attr(struct lpfc_hba *phba)
852 {
853 struct Scsi_Host *host = phba->host;
854
855 sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_mbox_attr);
856 sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_ctlreg_attr);
857 }
858
859
860 /*
861 * Dynamic FC Host Attributes Support
862 */
863
864 static void
865 lpfc_get_host_port_id(struct Scsi_Host *shost)
866 {
867 struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
868 /* note: fc_myDID already in cpu endianness */
869 fc_host_port_id(shost) = phba->fc_myDID;
870 }
871
872 static void
873 lpfc_get_host_port_type(struct Scsi_Host *shost)
874 {
875 struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
876
877 spin_lock_irq(shost->host_lock);
878
879 if (phba->hba_state == LPFC_HBA_READY) {
880 if (phba->fc_topology == TOPOLOGY_LOOP) {
881 if (phba->fc_flag & FC_PUBLIC_LOOP)
882 fc_host_port_type(shost) = FC_PORTTYPE_NLPORT;
883 else
884 fc_host_port_type(shost) = FC_PORTTYPE_LPORT;
885 } else {
886 if (phba->fc_flag & FC_FABRIC)
887 fc_host_port_type(shost) = FC_PORTTYPE_NPORT;
888 else
889 fc_host_port_type(shost) = FC_PORTTYPE_PTP;
890 }
891 } else
892 fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN;
893
894 spin_unlock_irq(shost->host_lock);
895 }
896
897 static void
898 lpfc_get_host_port_state(struct Scsi_Host *shost)
899 {
900 struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
901
902 spin_lock_irq(shost->host_lock);
903
904 if (phba->fc_flag & FC_OFFLINE_MODE)
905 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
906 else {
907 switch (phba->hba_state) {
908 case LPFC_INIT_START:
909 case LPFC_INIT_MBX_CMDS:
910 case LPFC_LINK_DOWN:
911 fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
912 break;
913 case LPFC_LINK_UP:
914 case LPFC_LOCAL_CFG_LINK:
915 case LPFC_FLOGI:
916 case LPFC_FABRIC_CFG_LINK:
917 case LPFC_NS_REG:
918 case LPFC_NS_QRY:
919 case LPFC_BUILD_DISC_LIST:
920 case LPFC_DISC_AUTH:
921 case LPFC_CLEAR_LA:
922 case LPFC_HBA_READY:
923 /* Links up, beyond this port_type reports state */
924 fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
925 break;
926 case LPFC_HBA_ERROR:
927 fc_host_port_state(shost) = FC_PORTSTATE_ERROR;
928 break;
929 default:
930 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
931 break;
932 }
933 }
934
935 spin_unlock_irq(shost->host_lock);
936 }
937
938 static void
939 lpfc_get_host_speed(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->hba_state == LPFC_HBA_READY) {
946 switch(phba->fc_linkspeed) {
947 case LA_1GHZ_LINK:
948 fc_host_speed(shost) = FC_PORTSPEED_1GBIT;
949 break;
950 case LA_2GHZ_LINK:
951 fc_host_speed(shost) = FC_PORTSPEED_2GBIT;
952 break;
953 case LA_4GHZ_LINK:
954 fc_host_speed(shost) = FC_PORTSPEED_4GBIT;
955 break;
956 default:
957 fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
958 break;
959 }
960 }
961
962 spin_unlock_irq(shost->host_lock);
963 }
964
965 static void
966 lpfc_get_host_fabric_name (struct Scsi_Host *shost)
967 {
968 struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0];
969 u64 nodename;
970
971 spin_lock_irq(shost->host_lock);
972
973 if ((phba->fc_flag & FC_FABRIC) ||
974 ((phba->fc_topology == TOPOLOGY_LOOP) &&
975 (phba->fc_flag & FC_PUBLIC_LOOP)))
976 memcpy(&nodename, &phba->fc_fabparam.nodeName, sizeof(u64));
977 else
978 /* fabric is local port if there is no F/FL_Port */
979 memcpy(&nodename, &phba->fc_nodename, sizeof(u64));
980
981 spin_unlock_irq(shost->host_lock);
982
983 fc_host_fabric_name(shost) = be64_to_cpu(nodename);
984 }
985
986
987 static struct fc_host_statistics *
988 lpfc_get_stats(struct Scsi_Host *shost)
989 {
990 struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata[0];
991 struct lpfc_sli *psli = &phba->sli;
992 struct fc_host_statistics *hs = &phba->link_stats;
993 LPFC_MBOXQ_t *pmboxq;
994 MAILBOX_t *pmb;
995 int rc=0;
996
997 pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
998 if (!pmboxq)
999 return NULL;
1000 memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
1001
1002 pmb = &pmboxq->mb;
1003 pmb->mbxCommand = MBX_READ_STATUS;
1004 pmb->mbxOwner = OWN_HOST;
1005 pmboxq->context1 = NULL;
1006
1007 if ((phba->fc_flag & FC_OFFLINE_MODE) ||
1008 (!(psli->sli_flag & LPFC_SLI2_ACTIVE))){
1009 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
1010 } else
1011 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
1012
1013 if (rc != MBX_SUCCESS) {
1014 if (pmboxq) {
1015 if (rc == MBX_TIMEOUT)
1016 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1017 else
1018 mempool_free( pmboxq, phba->mbox_mem_pool);
1019 }
1020 return NULL;
1021 }
1022
1023 memset(hs, 0, sizeof (struct fc_host_statistics));
1024
1025 hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt;
1026 hs->tx_words = (pmb->un.varRdStatus.xmitByteCnt * 256);
1027 hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt;
1028 hs->rx_words = (pmb->un.varRdStatus.rcvByteCnt * 256);
1029
1030 memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
1031 pmb->mbxCommand = MBX_READ_LNK_STAT;
1032 pmb->mbxOwner = OWN_HOST;
1033 pmboxq->context1 = NULL;
1034
1035 if ((phba->fc_flag & FC_OFFLINE_MODE) ||
1036 (!(psli->sli_flag & LPFC_SLI2_ACTIVE))) {
1037 rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
1038 } else
1039 rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
1040
1041 if (rc != MBX_SUCCESS) {
1042 if (pmboxq) {
1043 if (rc == MBX_TIMEOUT)
1044 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1045 else
1046 mempool_free( pmboxq, phba->mbox_mem_pool);
1047 }
1048 return NULL;
1049 }
1050
1051 hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
1052 hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
1053 hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
1054 hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
1055 hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
1056 hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
1057 hs->error_frames = pmb->un.varRdLnk.crcCnt;
1058
1059 if (phba->fc_topology == TOPOLOGY_LOOP) {
1060 hs->lip_count = (phba->fc_eventTag >> 1);
1061 hs->nos_count = -1;
1062 } else {
1063 hs->lip_count = -1;
1064 hs->nos_count = (phba->fc_eventTag >> 1);
1065 }
1066
1067 hs->dumped_frames = -1;
1068
1069 /* FIX ME */
1070 /*hs->SecondsSinceLastReset = (jiffies - lpfc_loadtime) / HZ;*/
1071
1072 return hs;
1073 }
1074
1075
1076 /*
1077 * The LPFC driver treats linkdown handling as target loss events so there
1078 * are no sysfs handlers for link_down_tmo.
1079 */
1080 static void
1081 lpfc_get_starget_port_id(struct scsi_target *starget)
1082 {
1083 struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
1084 struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata[0];
1085 uint32_t did = -1;
1086 struct lpfc_nodelist *ndlp = NULL;
1087
1088 spin_lock_irq(shost->host_lock);
1089 /* Search the mapped list for this target ID */
1090 list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
1091 if (starget->id == ndlp->nlp_sid) {
1092 did = ndlp->nlp_DID;
1093 break;
1094 }
1095 }
1096 spin_unlock_irq(shost->host_lock);
1097
1098 fc_starget_port_id(starget) = did;
1099 }
1100
1101 static void
1102 lpfc_get_starget_node_name(struct scsi_target *starget)
1103 {
1104 struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
1105 struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata[0];
1106 uint64_t node_name = 0;
1107 struct lpfc_nodelist *ndlp = NULL;
1108
1109 spin_lock_irq(shost->host_lock);
1110 /* Search the mapped list for this target ID */
1111 list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
1112 if (starget->id == ndlp->nlp_sid) {
1113 memcpy(&node_name, &ndlp->nlp_nodename,
1114 sizeof(struct lpfc_name));
1115 break;
1116 }
1117 }
1118 spin_unlock_irq(shost->host_lock);
1119
1120 fc_starget_node_name(starget) = be64_to_cpu(node_name);
1121 }
1122
1123 static void
1124 lpfc_get_starget_port_name(struct scsi_target *starget)
1125 {
1126 struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
1127 struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata[0];
1128 uint64_t port_name = 0;
1129 struct lpfc_nodelist *ndlp = NULL;
1130
1131 spin_lock_irq(shost->host_lock);
1132 /* Search the mapped list for this target ID */
1133 list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
1134 if (starget->id == ndlp->nlp_sid) {
1135 memcpy(&port_name, &ndlp->nlp_portname,
1136 sizeof(struct lpfc_name));
1137 break;
1138 }
1139 }
1140 spin_unlock_irq(shost->host_lock);
1141
1142 fc_starget_port_name(starget) = be64_to_cpu(port_name);
1143 }
1144
1145 static void
1146 lpfc_get_rport_loss_tmo(struct fc_rport *rport)
1147 {
1148 /*
1149 * Return the driver's global value for device loss timeout plus
1150 * five seconds to allow the driver's nodev timer to run.
1151 */
1152 rport->dev_loss_tmo = lpfc_nodev_tmo + 5;
1153 }
1154
1155 static void
1156 lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
1157 {
1158 /*
1159 * The driver doesn't have a per-target timeout setting. Set
1160 * this value globally. lpfc_nodev_tmo should be greater then 0.
1161 */
1162 if (timeout)
1163 lpfc_nodev_tmo = timeout;
1164 else
1165 lpfc_nodev_tmo = 1;
1166 rport->dev_loss_tmo = lpfc_nodev_tmo + 5;
1167 }
1168
1169
1170 #define lpfc_rport_show_function(field, format_string, sz, cast) \
1171 static ssize_t \
1172 lpfc_show_rport_##field (struct class_device *cdev, char *buf) \
1173 { \
1174 struct fc_rport *rport = transport_class_to_rport(cdev); \
1175 struct lpfc_rport_data *rdata = rport->hostdata; \
1176 return snprintf(buf, sz, format_string, \
1177 (rdata->target) ? cast rdata->target->field : 0); \
1178 }
1179
1180 #define lpfc_rport_rd_attr(field, format_string, sz) \
1181 lpfc_rport_show_function(field, format_string, sz, ) \
1182 static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL)
1183
1184
1185 struct fc_function_template lpfc_transport_functions = {
1186 /* fixed attributes the driver supports */
1187 .show_host_node_name = 1,
1188 .show_host_port_name = 1,
1189 .show_host_supported_classes = 1,
1190 .show_host_supported_fc4s = 1,
1191 .show_host_symbolic_name = 1,
1192 .show_host_supported_speeds = 1,
1193 .show_host_maxframe_size = 1,
1194
1195 /* dynamic attributes the driver supports */
1196 .get_host_port_id = lpfc_get_host_port_id,
1197 .show_host_port_id = 1,
1198
1199 .get_host_port_type = lpfc_get_host_port_type,
1200 .show_host_port_type = 1,
1201
1202 .get_host_port_state = lpfc_get_host_port_state,
1203 .show_host_port_state = 1,
1204
1205 /* active_fc4s is shown but doesn't change (thus no get function) */
1206 .show_host_active_fc4s = 1,
1207
1208 .get_host_speed = lpfc_get_host_speed,
1209 .show_host_speed = 1,
1210
1211 .get_host_fabric_name = lpfc_get_host_fabric_name,
1212 .show_host_fabric_name = 1,
1213
1214 /*
1215 * The LPFC driver treats linkdown handling as target loss events
1216 * so there are no sysfs handlers for link_down_tmo.
1217 */
1218
1219 .get_fc_host_stats = lpfc_get_stats,
1220
1221 /* the LPFC driver doesn't support resetting stats yet */
1222
1223 .dd_fcrport_size = sizeof(struct lpfc_rport_data),
1224 .show_rport_maxframe_size = 1,
1225 .show_rport_supported_classes = 1,
1226
1227 .get_rport_dev_loss_tmo = lpfc_get_rport_loss_tmo,
1228 .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
1229 .show_rport_dev_loss_tmo = 1,
1230
1231 .get_starget_port_id = lpfc_get_starget_port_id,
1232 .show_starget_port_id = 1,
1233
1234 .get_starget_node_name = lpfc_get_starget_node_name,
1235 .show_starget_node_name = 1,
1236
1237 .get_starget_port_name = lpfc_get_starget_port_name,
1238 .show_starget_port_name = 1,
1239 };
1240
1241 void
1242 lpfc_get_cfgparam(struct lpfc_hba *phba)
1243 {
1244 phba->cfg_log_verbose = lpfc_log_verbose;
1245 phba->cfg_cr_delay = lpfc_cr_delay;
1246 phba->cfg_cr_count = lpfc_cr_count;
1247 phba->cfg_lun_queue_depth = lpfc_lun_queue_depth;
1248 phba->cfg_fcp_class = lpfc_fcp_class;
1249 phba->cfg_use_adisc = lpfc_use_adisc;
1250 phba->cfg_ack0 = lpfc_ack0;
1251 phba->cfg_topology = lpfc_topology;
1252 phba->cfg_scan_down = lpfc_scan_down;
1253 phba->cfg_nodev_tmo = lpfc_nodev_tmo;
1254 phba->cfg_link_speed = lpfc_link_speed;
1255 phba->cfg_fdmi_on = lpfc_fdmi_on;
1256 phba->cfg_discovery_threads = lpfc_discovery_threads;
1257 phba->cfg_max_luns = lpfc_max_luns;
1258
1259 /*
1260 * The total number of segments is the configuration value plus 2
1261 * since the IOCB need a command and response bde.
1262 */
1263 phba->cfg_sg_seg_cnt = LPFC_SG_SEG_CNT + 2;
1264
1265 /*
1266 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
1267 * used to create the sg_dma_buf_pool must be dynamically calculated
1268 */
1269 phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) +
1270 sizeof(struct fcp_rsp) +
1271 (phba->cfg_sg_seg_cnt * sizeof(struct ulp_bde64));
1272
1273 switch (phba->pcidev->device) {
1274 case PCI_DEVICE_ID_LP101:
1275 case PCI_DEVICE_ID_BSMB:
1276 case PCI_DEVICE_ID_ZSMB:
1277 phba->cfg_hba_queue_depth = LPFC_LP101_HBA_Q_DEPTH;
1278 break;
1279 case PCI_DEVICE_ID_RFLY:
1280 case PCI_DEVICE_ID_PFLY:
1281 case PCI_DEVICE_ID_BMID:
1282 case PCI_DEVICE_ID_ZMID:
1283 case PCI_DEVICE_ID_TFLY:
1284 phba->cfg_hba_queue_depth = LPFC_LC_HBA_Q_DEPTH;
1285 break;
1286 default:
1287 phba->cfg_hba_queue_depth = LPFC_DFT_HBA_Q_DEPTH;
1288 }
1289 return;
1290 }
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