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dea3101e JB |
1 | /******************************************************************* |
2 | * This file is part of the Emulex Linux Device Driver for * | |
c44ce173 | 3 | * Fibre Channel Host Bus Adapters. * |
41415862 | 4 | * Copyright (C) 2004-2006 Emulex. All rights reserved. * |
c44ce173 | 5 | * EMULEX and SLI are trademarks of Emulex. * |
dea3101e | 6 | * www.emulex.com * |
c44ce173 | 7 | * Portions Copyright (C) 2004-2005 Christoph Hellwig * |
dea3101e JB |
8 | * * |
9 | * This program is free software; you can redistribute it and/or * | |
c44ce173 JSEC |
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. * | |
dea3101e JB |
20 | *******************************************************************/ |
21 | ||
dea3101e | 22 | #include <linux/ctype.h> |
46fa311e | 23 | #include <linux/delay.h> |
dea3101e JB |
24 | #include <linux/pci.h> |
25 | #include <linux/interrupt.h> | |
26 | ||
91886523 | 27 | #include <scsi/scsi.h> |
dea3101e JB |
28 | #include <scsi/scsi_device.h> |
29 | #include <scsi/scsi_host.h> | |
30 | #include <scsi/scsi_tcq.h> | |
31 | #include <scsi/scsi_transport_fc.h> | |
32 | ||
33 | #include "lpfc_hw.h" | |
34 | #include "lpfc_sli.h" | |
35 | #include "lpfc_disc.h" | |
36 | #include "lpfc_scsi.h" | |
37 | #include "lpfc.h" | |
38 | #include "lpfc_logmsg.h" | |
39 | #include "lpfc_version.h" | |
40 | #include "lpfc_compat.h" | |
41 | #include "lpfc_crtn.h" | |
42 | ||
c01f3208 JS |
43 | #define LPFC_DEF_DEVLOSS_TMO 30 |
44 | #define LPFC_MIN_DEVLOSS_TMO 1 | |
45 | #define LPFC_MAX_DEVLOSS_TMO 255 | |
dea3101e JB |
46 | |
47 | static void | |
48 | lpfc_jedec_to_ascii(int incr, char hdw[]) | |
49 | { | |
50 | int i, j; | |
51 | for (i = 0; i < 8; i++) { | |
52 | j = (incr & 0xf); | |
53 | if (j <= 9) | |
54 | hdw[7 - i] = 0x30 + j; | |
55 | else | |
56 | hdw[7 - i] = 0x61 + j - 10; | |
57 | incr = (incr >> 4); | |
58 | } | |
59 | hdw[8] = 0; | |
60 | return; | |
61 | } | |
62 | ||
63 | static ssize_t | |
64 | lpfc_drvr_version_show(struct class_device *cdev, char *buf) | |
65 | { | |
66 | return snprintf(buf, PAGE_SIZE, LPFC_MODULE_DESC "\n"); | |
67 | } | |
68 | ||
69 | static ssize_t | |
70 | management_version_show(struct class_device *cdev, char *buf) | |
71 | { | |
72 | return snprintf(buf, PAGE_SIZE, DFC_API_VERSION "\n"); | |
73 | } | |
74 | ||
75 | static ssize_t | |
76 | lpfc_info_show(struct class_device *cdev, char *buf) | |
77 | { | |
78 | struct Scsi_Host *host = class_to_shost(cdev); | |
79 | return snprintf(buf, PAGE_SIZE, "%s\n",lpfc_info(host)); | |
80 | } | |
81 | ||
82 | static ssize_t | |
83 | lpfc_serialnum_show(struct class_device *cdev, char *buf) | |
84 | { | |
85 | struct Scsi_Host *host = class_to_shost(cdev); | |
7f0b5b19 | 86 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; |
dea3101e JB |
87 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->SerialNumber); |
88 | } | |
89 | ||
90 | static ssize_t | |
91 | lpfc_modeldesc_show(struct class_device *cdev, char *buf) | |
92 | { | |
93 | struct Scsi_Host *host = class_to_shost(cdev); | |
7f0b5b19 | 94 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; |
dea3101e JB |
95 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelDesc); |
96 | } | |
97 | ||
98 | static ssize_t | |
99 | lpfc_modelname_show(struct class_device *cdev, char *buf) | |
100 | { | |
101 | struct Scsi_Host *host = class_to_shost(cdev); | |
7f0b5b19 | 102 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; |
dea3101e JB |
103 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelName); |
104 | } | |
105 | ||
106 | static ssize_t | |
107 | lpfc_programtype_show(struct class_device *cdev, char *buf) | |
108 | { | |
109 | struct Scsi_Host *host = class_to_shost(cdev); | |
7f0b5b19 | 110 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; |
dea3101e JB |
111 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->ProgramType); |
112 | } | |
113 | ||
114 | static ssize_t | |
115 | lpfc_portnum_show(struct class_device *cdev, char *buf) | |
116 | { | |
117 | struct Scsi_Host *host = class_to_shost(cdev); | |
7f0b5b19 | 118 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; |
dea3101e JB |
119 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->Port); |
120 | } | |
121 | ||
122 | static ssize_t | |
123 | lpfc_fwrev_show(struct class_device *cdev, char *buf) | |
124 | { | |
125 | struct Scsi_Host *host = class_to_shost(cdev); | |
7f0b5b19 | 126 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; |
dea3101e JB |
127 | char fwrev[32]; |
128 | lpfc_decode_firmware_rev(phba, fwrev, 1); | |
129 | return snprintf(buf, PAGE_SIZE, "%s\n",fwrev); | |
130 | } | |
131 | ||
132 | static ssize_t | |
133 | lpfc_hdw_show(struct class_device *cdev, char *buf) | |
134 | { | |
135 | char hdw[9]; | |
136 | struct Scsi_Host *host = class_to_shost(cdev); | |
7f0b5b19 | 137 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; |
dea3101e JB |
138 | lpfc_vpd_t *vp = &phba->vpd; |
139 | lpfc_jedec_to_ascii(vp->rev.biuRev, hdw); | |
140 | return snprintf(buf, PAGE_SIZE, "%s\n", hdw); | |
141 | } | |
142 | static ssize_t | |
143 | lpfc_option_rom_version_show(struct class_device *cdev, char *buf) | |
144 | { | |
145 | struct Scsi_Host *host = class_to_shost(cdev); | |
7f0b5b19 | 146 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; |
dea3101e JB |
147 | return snprintf(buf, PAGE_SIZE, "%s\n", phba->OptionROMVersion); |
148 | } | |
149 | static ssize_t | |
150 | lpfc_state_show(struct class_device *cdev, char *buf) | |
151 | { | |
152 | struct Scsi_Host *host = class_to_shost(cdev); | |
7f0b5b19 | 153 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; |
dea3101e JB |
154 | int len = 0; |
155 | switch (phba->hba_state) { | |
41415862 JW |
156 | case LPFC_STATE_UNKNOWN: |
157 | case LPFC_WARM_START: | |
dea3101e JB |
158 | case LPFC_INIT_START: |
159 | case LPFC_INIT_MBX_CMDS: | |
160 | case LPFC_LINK_DOWN: | |
161 | len += snprintf(buf + len, PAGE_SIZE-len, "Link Down\n"); | |
162 | break; | |
163 | case LPFC_LINK_UP: | |
164 | case LPFC_LOCAL_CFG_LINK: | |
165 | len += snprintf(buf + len, PAGE_SIZE-len, "Link Up\n"); | |
166 | break; | |
167 | case LPFC_FLOGI: | |
168 | case LPFC_FABRIC_CFG_LINK: | |
169 | case LPFC_NS_REG: | |
170 | case LPFC_NS_QRY: | |
171 | case LPFC_BUILD_DISC_LIST: | |
172 | case LPFC_DISC_AUTH: | |
173 | case LPFC_CLEAR_LA: | |
174 | len += snprintf(buf + len, PAGE_SIZE-len, | |
175 | "Link Up - Discovery\n"); | |
176 | break; | |
177 | case LPFC_HBA_READY: | |
178 | len += snprintf(buf + len, PAGE_SIZE-len, | |
179 | "Link Up - Ready:\n"); | |
180 | if (phba->fc_topology == TOPOLOGY_LOOP) { | |
181 | if (phba->fc_flag & FC_PUBLIC_LOOP) | |
182 | len += snprintf(buf + len, PAGE_SIZE-len, | |
183 | " Public Loop\n"); | |
184 | else | |
185 | len += snprintf(buf + len, PAGE_SIZE-len, | |
186 | " Private Loop\n"); | |
187 | } else { | |
188 | if (phba->fc_flag & FC_FABRIC) | |
189 | len += snprintf(buf + len, PAGE_SIZE-len, | |
190 | " Fabric\n"); | |
191 | else | |
192 | len += snprintf(buf + len, PAGE_SIZE-len, | |
193 | " Point-2-Point\n"); | |
194 | } | |
195 | } | |
196 | return len; | |
197 | } | |
198 | ||
199 | static ssize_t | |
200 | lpfc_num_discovered_ports_show(struct class_device *cdev, char *buf) | |
201 | { | |
202 | struct Scsi_Host *host = class_to_shost(cdev); | |
7f0b5b19 | 203 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; |
dea3101e JB |
204 | return snprintf(buf, PAGE_SIZE, "%d\n", phba->fc_map_cnt + |
205 | phba->fc_unmap_cnt); | |
206 | } | |
207 | ||
208 | ||
91ca7b01 AV |
209 | static int |
210 | lpfc_issue_lip(struct Scsi_Host *host) | |
dea3101e | 211 | { |
7f0b5b19 | 212 | struct lpfc_hba *phba = (struct lpfc_hba *) host->hostdata; |
dea3101e JB |
213 | LPFC_MBOXQ_t *pmboxq; |
214 | int mbxstatus = MBXERR_ERROR; | |
215 | ||
dea3101e | 216 | if ((phba->fc_flag & FC_OFFLINE_MODE) || |
46fa311e | 217 | (phba->fc_flag & FC_BLOCK_MGMT_IO) || |
dea3101e JB |
218 | (phba->hba_state != LPFC_HBA_READY)) |
219 | return -EPERM; | |
220 | ||
221 | pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL); | |
222 | ||
223 | if (!pmboxq) | |
224 | return -ENOMEM; | |
225 | ||
226 | memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t)); | |
4db621e0 JS |
227 | pmboxq->mb.mbxCommand = MBX_DOWN_LINK; |
228 | pmboxq->mb.mbxOwner = OWN_HOST; | |
229 | ||
33ccf8d1 | 230 | mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO * 2); |
dea3101e | 231 | |
4db621e0 JS |
232 | if ((mbxstatus == MBX_SUCCESS) && (pmboxq->mb.mbxStatus == 0)) { |
233 | memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t)); | |
234 | lpfc_init_link(phba, pmboxq, phba->cfg_topology, | |
235 | phba->cfg_link_speed); | |
236 | mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, | |
237 | phba->fc_ratov * 2); | |
238 | } | |
239 | ||
5b8bd0c9 | 240 | lpfc_set_loopback_flag(phba); |
dea3101e JB |
241 | if (mbxstatus == MBX_TIMEOUT) |
242 | pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
243 | else | |
433c3579 | 244 | mempool_free(pmboxq, phba->mbox_mem_pool); |
dea3101e JB |
245 | |
246 | if (mbxstatus == MBXERR_ERROR) | |
247 | return -EIO; | |
248 | ||
91ca7b01 | 249 | return 0; |
dea3101e JB |
250 | } |
251 | ||
40496f07 | 252 | static int |
46fa311e | 253 | lpfc_do_offline(struct lpfc_hba *phba, uint32_t type) |
40496f07 JS |
254 | { |
255 | struct completion online_compl; | |
46fa311e JS |
256 | struct lpfc_sli_ring *pring; |
257 | struct lpfc_sli *psli; | |
40496f07 | 258 | int status = 0; |
46fa311e JS |
259 | int cnt = 0; |
260 | int i; | |
40496f07 JS |
261 | |
262 | init_completion(&online_compl); | |
263 | lpfc_workq_post_event(phba, &status, &online_compl, | |
46fa311e JS |
264 | LPFC_EVT_OFFLINE_PREP); |
265 | wait_for_completion(&online_compl); | |
266 | ||
267 | if (status != 0) | |
268 | return -EIO; | |
269 | ||
270 | psli = &phba->sli; | |
271 | ||
272 | for (i = 0; i < psli->num_rings; i++) { | |
273 | pring = &psli->ring[i]; | |
274 | /* The linkdown event takes 30 seconds to timeout. */ | |
275 | while (pring->txcmplq_cnt) { | |
276 | msleep(10); | |
277 | if (cnt++ > 3000) { | |
278 | lpfc_printf_log(phba, | |
279 | KERN_WARNING, LOG_INIT, | |
280 | "%d:0466 Outstanding IO when " | |
281 | "bringing Adapter offline\n", | |
282 | phba->brd_no); | |
283 | break; | |
284 | } | |
285 | } | |
286 | } | |
287 | ||
288 | init_completion(&online_compl); | |
289 | lpfc_workq_post_event(phba, &status, &online_compl, type); | |
40496f07 JS |
290 | wait_for_completion(&online_compl); |
291 | ||
292 | if (status != 0) | |
293 | return -EIO; | |
294 | ||
46fa311e JS |
295 | return 0; |
296 | } | |
297 | ||
298 | static int | |
299 | lpfc_selective_reset(struct lpfc_hba *phba) | |
300 | { | |
301 | struct completion online_compl; | |
302 | int status = 0; | |
303 | ||
304 | status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); | |
305 | ||
306 | if (status != 0) | |
307 | return status; | |
308 | ||
40496f07 JS |
309 | init_completion(&online_compl); |
310 | lpfc_workq_post_event(phba, &status, &online_compl, | |
311 | LPFC_EVT_ONLINE); | |
312 | wait_for_completion(&online_compl); | |
313 | ||
314 | if (status != 0) | |
315 | return -EIO; | |
316 | ||
317 | return 0; | |
318 | } | |
319 | ||
320 | static ssize_t | |
321 | lpfc_issue_reset(struct class_device *cdev, const char *buf, size_t count) | |
322 | { | |
323 | struct Scsi_Host *host = class_to_shost(cdev); | |
324 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; | |
325 | int status = -EINVAL; | |
326 | ||
327 | if (strncmp(buf, "selective", sizeof("selective") - 1) == 0) | |
328 | status = lpfc_selective_reset(phba); | |
329 | ||
330 | if (status == 0) | |
331 | return strlen(buf); | |
332 | else | |
333 | return status; | |
334 | } | |
335 | ||
dea3101e JB |
336 | static ssize_t |
337 | lpfc_nport_evt_cnt_show(struct class_device *cdev, char *buf) | |
338 | { | |
339 | struct Scsi_Host *host = class_to_shost(cdev); | |
7f0b5b19 | 340 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; |
dea3101e JB |
341 | return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt); |
342 | } | |
343 | ||
41415862 JW |
344 | static ssize_t |
345 | lpfc_board_mode_show(struct class_device *cdev, char *buf) | |
346 | { | |
347 | struct Scsi_Host *host = class_to_shost(cdev); | |
348 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; | |
349 | char * state; | |
350 | ||
351 | if (phba->hba_state == LPFC_HBA_ERROR) | |
352 | state = "error"; | |
353 | else if (phba->hba_state == LPFC_WARM_START) | |
354 | state = "warm start"; | |
355 | else if (phba->hba_state == LPFC_INIT_START) | |
356 | state = "offline"; | |
357 | else | |
358 | state = "online"; | |
359 | ||
360 | return snprintf(buf, PAGE_SIZE, "%s\n", state); | |
361 | } | |
362 | ||
363 | static ssize_t | |
364 | lpfc_board_mode_store(struct class_device *cdev, const char *buf, size_t count) | |
365 | { | |
366 | struct Scsi_Host *host = class_to_shost(cdev); | |
367 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; | |
368 | struct completion online_compl; | |
369 | int status=0; | |
370 | ||
371 | init_completion(&online_compl); | |
372 | ||
46fa311e | 373 | if(strncmp(buf, "online", sizeof("online") - 1) == 0) { |
41415862 JW |
374 | lpfc_workq_post_event(phba, &status, &online_compl, |
375 | LPFC_EVT_ONLINE); | |
46fa311e JS |
376 | wait_for_completion(&online_compl); |
377 | } else if (strncmp(buf, "offline", sizeof("offline") - 1) == 0) | |
378 | status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); | |
41415862 | 379 | else if (strncmp(buf, "warm", sizeof("warm") - 1) == 0) |
46fa311e JS |
380 | status = lpfc_do_offline(phba, LPFC_EVT_WARM_START); |
381 | else if (strncmp(buf, "error", sizeof("error") - 1) == 0) | |
382 | status = lpfc_do_offline(phba, LPFC_EVT_KILL); | |
41415862 JW |
383 | else |
384 | return -EINVAL; | |
385 | ||
41415862 JW |
386 | if (!status) |
387 | return strlen(buf); | |
388 | else | |
389 | return -EIO; | |
390 | } | |
391 | ||
875fbdfe JSEC |
392 | static ssize_t |
393 | lpfc_poll_show(struct class_device *cdev, char *buf) | |
394 | { | |
395 | struct Scsi_Host *host = class_to_shost(cdev); | |
7f0b5b19 | 396 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; |
875fbdfe JSEC |
397 | |
398 | return snprintf(buf, PAGE_SIZE, "%#x\n", phba->cfg_poll); | |
399 | } | |
400 | ||
401 | static ssize_t | |
402 | lpfc_poll_store(struct class_device *cdev, const char *buf, | |
403 | size_t count) | |
404 | { | |
405 | struct Scsi_Host *host = class_to_shost(cdev); | |
7f0b5b19 | 406 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; |
875fbdfe JSEC |
407 | uint32_t creg_val; |
408 | uint32_t old_val; | |
409 | int val=0; | |
410 | ||
411 | if (!isdigit(buf[0])) | |
412 | return -EINVAL; | |
413 | ||
414 | if (sscanf(buf, "%i", &val) != 1) | |
415 | return -EINVAL; | |
416 | ||
417 | if ((val & 0x3) != val) | |
418 | return -EINVAL; | |
419 | ||
420 | spin_lock_irq(phba->host->host_lock); | |
421 | ||
422 | old_val = phba->cfg_poll; | |
423 | ||
424 | if (val & ENABLE_FCP_RING_POLLING) { | |
425 | if ((val & DISABLE_FCP_RING_INT) && | |
426 | !(old_val & DISABLE_FCP_RING_INT)) { | |
427 | creg_val = readl(phba->HCregaddr); | |
428 | creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING); | |
429 | writel(creg_val, phba->HCregaddr); | |
430 | readl(phba->HCregaddr); /* flush */ | |
431 | ||
432 | lpfc_poll_start_timer(phba); | |
433 | } | |
434 | } else if (val != 0x0) { | |
435 | spin_unlock_irq(phba->host->host_lock); | |
436 | return -EINVAL; | |
437 | } | |
438 | ||
439 | if (!(val & DISABLE_FCP_RING_INT) && | |
440 | (old_val & DISABLE_FCP_RING_INT)) | |
441 | { | |
442 | spin_unlock_irq(phba->host->host_lock); | |
443 | del_timer(&phba->fcp_poll_timer); | |
444 | spin_lock_irq(phba->host->host_lock); | |
445 | creg_val = readl(phba->HCregaddr); | |
446 | creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING); | |
447 | writel(creg_val, phba->HCregaddr); | |
448 | readl(phba->HCregaddr); /* flush */ | |
449 | } | |
450 | ||
451 | phba->cfg_poll = val; | |
452 | ||
453 | spin_unlock_irq(phba->host->host_lock); | |
454 | ||
455 | return strlen(buf); | |
456 | } | |
dea3101e JB |
457 | |
458 | #define lpfc_param_show(attr) \ | |
459 | static ssize_t \ | |
460 | lpfc_##attr##_show(struct class_device *cdev, char *buf) \ | |
461 | { \ | |
462 | struct Scsi_Host *host = class_to_shost(cdev);\ | |
7f0b5b19 | 463 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;\ |
dea3101e | 464 | int val = 0;\ |
7bcbb752 JSEC |
465 | val = phba->cfg_##attr;\ |
466 | return snprintf(buf, PAGE_SIZE, "%d\n",\ | |
467 | phba->cfg_##attr);\ | |
468 | } | |
469 | ||
93a20f74 JSEC |
470 | #define lpfc_param_hex_show(attr) \ |
471 | static ssize_t \ | |
472 | lpfc_##attr##_show(struct class_device *cdev, char *buf) \ | |
473 | { \ | |
474 | struct Scsi_Host *host = class_to_shost(cdev);\ | |
7f0b5b19 | 475 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;\ |
93a20f74 JSEC |
476 | int val = 0;\ |
477 | val = phba->cfg_##attr;\ | |
478 | return snprintf(buf, PAGE_SIZE, "%#x\n",\ | |
479 | phba->cfg_##attr);\ | |
480 | } | |
481 | ||
7bcbb752 JSEC |
482 | #define lpfc_param_init(attr, default, minval, maxval) \ |
483 | static int \ | |
484 | lpfc_##attr##_init(struct lpfc_hba *phba, int val) \ | |
485 | { \ | |
486 | if (val >= minval && val <= maxval) {\ | |
487 | phba->cfg_##attr = val;\ | |
488 | return 0;\ | |
dea3101e | 489 | }\ |
7bcbb752 JSEC |
490 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \ |
491 | "%d:0449 lpfc_"#attr" attribute cannot be set to %d, "\ | |
492 | "allowed range is ["#minval", "#maxval"]\n", \ | |
493 | phba->brd_no, val); \ | |
494 | phba->cfg_##attr = default;\ | |
495 | return -EINVAL;\ | |
dea3101e JB |
496 | } |
497 | ||
7bcbb752 JSEC |
498 | #define lpfc_param_set(attr, default, minval, maxval) \ |
499 | static int \ | |
500 | lpfc_##attr##_set(struct lpfc_hba *phba, int val) \ | |
501 | { \ | |
502 | if (val >= minval && val <= maxval) {\ | |
503 | phba->cfg_##attr = val;\ | |
504 | return 0;\ | |
505 | }\ | |
506 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \ | |
507 | "%d:0450 lpfc_"#attr" attribute cannot be set to %d, "\ | |
508 | "allowed range is ["#minval", "#maxval"]\n", \ | |
509 | phba->brd_no, val); \ | |
510 | return -EINVAL;\ | |
511 | } | |
512 | ||
513 | #define lpfc_param_store(attr) \ | |
dea3101e JB |
514 | static ssize_t \ |
515 | lpfc_##attr##_store(struct class_device *cdev, const char *buf, size_t count) \ | |
516 | { \ | |
517 | struct Scsi_Host *host = class_to_shost(cdev);\ | |
7f0b5b19 | 518 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata;\ |
7bcbb752 | 519 | int val=0;\ |
93a20f74 JSEC |
520 | if (!isdigit(buf[0]))\ |
521 | return -EINVAL;\ | |
522 | if (sscanf(buf, "%i", &val) != 1)\ | |
523 | return -EINVAL;\ | |
7bcbb752 | 524 | if (lpfc_##attr##_set(phba, val) == 0) \ |
755c0d06 | 525 | return strlen(buf);\ |
7bcbb752 JSEC |
526 | else \ |
527 | return -EINVAL;\ | |
dea3101e JB |
528 | } |
529 | ||
7bcbb752 JSEC |
530 | #define LPFC_ATTR(name, defval, minval, maxval, desc) \ |
531 | static int lpfc_##name = defval;\ | |
dea3101e JB |
532 | module_param(lpfc_##name, int, 0);\ |
533 | MODULE_PARM_DESC(lpfc_##name, desc);\ | |
7bcbb752 | 534 | lpfc_param_init(name, defval, minval, maxval) |
dea3101e JB |
535 | |
536 | #define LPFC_ATTR_R(name, defval, minval, maxval, desc) \ | |
537 | static int lpfc_##name = defval;\ | |
538 | module_param(lpfc_##name, int, 0);\ | |
539 | MODULE_PARM_DESC(lpfc_##name, desc);\ | |
540 | lpfc_param_show(name)\ | |
7bcbb752 | 541 | lpfc_param_init(name, defval, minval, maxval)\ |
dea3101e JB |
542 | static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
543 | ||
544 | #define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \ | |
545 | static int lpfc_##name = defval;\ | |
546 | module_param(lpfc_##name, int, 0);\ | |
547 | MODULE_PARM_DESC(lpfc_##name, desc);\ | |
548 | lpfc_param_show(name)\ | |
7bcbb752 JSEC |
549 | lpfc_param_init(name, defval, minval, maxval)\ |
550 | lpfc_param_set(name, defval, minval, maxval)\ | |
551 | lpfc_param_store(name)\ | |
dea3101e JB |
552 | static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
553 | lpfc_##name##_show, lpfc_##name##_store) | |
554 | ||
93a20f74 JSEC |
555 | #define LPFC_ATTR_HEX_R(name, defval, minval, maxval, desc) \ |
556 | static int lpfc_##name = defval;\ | |
557 | module_param(lpfc_##name, int, 0);\ | |
558 | MODULE_PARM_DESC(lpfc_##name, desc);\ | |
559 | lpfc_param_hex_show(name)\ | |
560 | lpfc_param_init(name, defval, minval, maxval)\ | |
561 | static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) | |
562 | ||
563 | #define LPFC_ATTR_HEX_RW(name, defval, minval, maxval, desc) \ | |
564 | static int lpfc_##name = defval;\ | |
565 | module_param(lpfc_##name, int, 0);\ | |
566 | MODULE_PARM_DESC(lpfc_##name, desc);\ | |
567 | lpfc_param_hex_show(name)\ | |
568 | lpfc_param_init(name, defval, minval, maxval)\ | |
569 | lpfc_param_set(name, defval, minval, maxval)\ | |
570 | lpfc_param_store(name)\ | |
571 | static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ | |
572 | lpfc_##name##_show, lpfc_##name##_store) | |
573 | ||
dea3101e JB |
574 | static CLASS_DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL); |
575 | static CLASS_DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL); | |
576 | static CLASS_DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL); | |
577 | static CLASS_DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL); | |
578 | static CLASS_DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL); | |
579 | static CLASS_DEVICE_ATTR(portnum, S_IRUGO, lpfc_portnum_show, NULL); | |
580 | static CLASS_DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL); | |
581 | static CLASS_DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL); | |
582 | static CLASS_DEVICE_ATTR(state, S_IRUGO, lpfc_state_show, NULL); | |
583 | static CLASS_DEVICE_ATTR(option_rom_version, S_IRUGO, | |
584 | lpfc_option_rom_version_show, NULL); | |
585 | static CLASS_DEVICE_ATTR(num_discovered_ports, S_IRUGO, | |
586 | lpfc_num_discovered_ports_show, NULL); | |
587 | static CLASS_DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL); | |
588 | static CLASS_DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show, | |
589 | NULL); | |
590 | static CLASS_DEVICE_ATTR(management_version, S_IRUGO, management_version_show, | |
591 | NULL); | |
41415862 JW |
592 | static CLASS_DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR, |
593 | lpfc_board_mode_show, lpfc_board_mode_store); | |
40496f07 | 594 | static CLASS_DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset); |
dea3101e | 595 | |
c3f28afa | 596 | |
a12e07bc | 597 | static char *lpfc_soft_wwn_key = "C99G71SL8032A"; |
c3f28afa JS |
598 | |
599 | static ssize_t | |
a12e07bc | 600 | lpfc_soft_wwn_enable_store(struct class_device *cdev, const char *buf, |
c3f28afa JS |
601 | size_t count) |
602 | { | |
603 | struct Scsi_Host *host = class_to_shost(cdev); | |
604 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; | |
605 | unsigned int cnt = count; | |
606 | ||
607 | /* | |
608 | * We're doing a simple sanity check for soft_wwpn setting. | |
609 | * We require that the user write a specific key to enable | |
610 | * the soft_wwpn attribute to be settable. Once the attribute | |
611 | * is written, the enable key resets. If further updates are | |
612 | * desired, the key must be written again to re-enable the | |
613 | * attribute. | |
614 | * | |
615 | * The "key" is not secret - it is a hardcoded string shown | |
616 | * here. The intent is to protect against the random user or | |
617 | * application that is just writing attributes. | |
618 | */ | |
619 | ||
620 | /* count may include a LF at end of string */ | |
621 | if (buf[cnt-1] == '\n') | |
622 | cnt--; | |
623 | ||
a12e07bc JS |
624 | if ((cnt != strlen(lpfc_soft_wwn_key)) || |
625 | (strncmp(buf, lpfc_soft_wwn_key, strlen(lpfc_soft_wwn_key)) != 0)) | |
c3f28afa JS |
626 | return -EINVAL; |
627 | ||
a12e07bc | 628 | phba->soft_wwn_enable = 1; |
c3f28afa JS |
629 | return count; |
630 | } | |
a12e07bc JS |
631 | static CLASS_DEVICE_ATTR(lpfc_soft_wwn_enable, S_IWUSR, NULL, |
632 | lpfc_soft_wwn_enable_store); | |
c3f28afa JS |
633 | |
634 | static ssize_t | |
635 | lpfc_soft_wwpn_show(struct class_device *cdev, char *buf) | |
636 | { | |
637 | struct Scsi_Host *host = class_to_shost(cdev); | |
638 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; | |
afc071e6 RD |
639 | return snprintf(buf, PAGE_SIZE, "0x%llx\n", |
640 | (unsigned long long)phba->cfg_soft_wwpn); | |
c3f28afa JS |
641 | } |
642 | ||
643 | ||
644 | static ssize_t | |
645 | lpfc_soft_wwpn_store(struct class_device *cdev, const char *buf, size_t count) | |
646 | { | |
647 | struct Scsi_Host *host = class_to_shost(cdev); | |
648 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; | |
649 | struct completion online_compl; | |
650 | int stat1=0, stat2=0; | |
651 | unsigned int i, j, cnt=count; | |
652 | u8 wwpn[8]; | |
653 | ||
654 | /* count may include a LF at end of string */ | |
655 | if (buf[cnt-1] == '\n') | |
656 | cnt--; | |
657 | ||
a12e07bc | 658 | if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) || |
c3f28afa JS |
659 | ((cnt == 17) && (*buf++ != 'x')) || |
660 | ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x')))) | |
661 | return -EINVAL; | |
662 | ||
a12e07bc | 663 | phba->soft_wwn_enable = 0; |
c3f28afa JS |
664 | |
665 | memset(wwpn, 0, sizeof(wwpn)); | |
666 | ||
667 | /* Validate and store the new name */ | |
668 | for (i=0, j=0; i < 16; i++) { | |
669 | if ((*buf >= 'a') && (*buf <= 'f')) | |
670 | j = ((j << 4) | ((*buf++ -'a') + 10)); | |
671 | else if ((*buf >= 'A') && (*buf <= 'F')) | |
672 | j = ((j << 4) | ((*buf++ -'A') + 10)); | |
673 | else if ((*buf >= '0') && (*buf <= '9')) | |
674 | j = ((j << 4) | (*buf++ -'0')); | |
675 | else | |
676 | return -EINVAL; | |
677 | if (i % 2) { | |
678 | wwpn[i/2] = j & 0xff; | |
679 | j = 0; | |
680 | } | |
681 | } | |
682 | phba->cfg_soft_wwpn = wwn_to_u64(wwpn); | |
683 | fc_host_port_name(host) = phba->cfg_soft_wwpn; | |
a12e07bc JS |
684 | if (phba->cfg_soft_wwnn) |
685 | fc_host_node_name(host) = phba->cfg_soft_wwnn; | |
c3f28afa JS |
686 | |
687 | dev_printk(KERN_NOTICE, &phba->pcidev->dev, | |
688 | "lpfc%d: Reinitializing to use soft_wwpn\n", phba->brd_no); | |
689 | ||
46fa311e | 690 | stat1 = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); |
c3f28afa JS |
691 | if (stat1) |
692 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
693 | "%d:0463 lpfc_soft_wwpn attribute set failed to reinit " | |
694 | "adapter - %d\n", phba->brd_no, stat1); | |
695 | ||
696 | init_completion(&online_compl); | |
697 | lpfc_workq_post_event(phba, &stat2, &online_compl, LPFC_EVT_ONLINE); | |
698 | wait_for_completion(&online_compl); | |
699 | if (stat2) | |
700 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
701 | "%d:0464 lpfc_soft_wwpn attribute set failed to reinit " | |
702 | "adapter - %d\n", phba->brd_no, stat2); | |
703 | ||
704 | return (stat1 || stat2) ? -EIO : count; | |
705 | } | |
706 | static CLASS_DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR,\ | |
707 | lpfc_soft_wwpn_show, lpfc_soft_wwpn_store); | |
708 | ||
a12e07bc JS |
709 | static ssize_t |
710 | lpfc_soft_wwnn_show(struct class_device *cdev, char *buf) | |
711 | { | |
712 | struct Scsi_Host *host = class_to_shost(cdev); | |
713 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; | |
714 | return snprintf(buf, PAGE_SIZE, "0x%llx\n", | |
715 | (unsigned long long)phba->cfg_soft_wwnn); | |
716 | } | |
717 | ||
718 | ||
719 | static ssize_t | |
720 | lpfc_soft_wwnn_store(struct class_device *cdev, const char *buf, size_t count) | |
721 | { | |
722 | struct Scsi_Host *host = class_to_shost(cdev); | |
723 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; | |
724 | unsigned int i, j, cnt=count; | |
725 | u8 wwnn[8]; | |
726 | ||
727 | /* count may include a LF at end of string */ | |
728 | if (buf[cnt-1] == '\n') | |
729 | cnt--; | |
730 | ||
731 | if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) || | |
732 | ((cnt == 17) && (*buf++ != 'x')) || | |
733 | ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x')))) | |
734 | return -EINVAL; | |
735 | ||
736 | /* | |
737 | * Allow wwnn to be set many times, as long as the enable is set. | |
738 | * However, once the wwpn is set, everything locks. | |
739 | */ | |
740 | ||
741 | memset(wwnn, 0, sizeof(wwnn)); | |
742 | ||
743 | /* Validate and store the new name */ | |
744 | for (i=0, j=0; i < 16; i++) { | |
745 | if ((*buf >= 'a') && (*buf <= 'f')) | |
746 | j = ((j << 4) | ((*buf++ -'a') + 10)); | |
747 | else if ((*buf >= 'A') && (*buf <= 'F')) | |
748 | j = ((j << 4) | ((*buf++ -'A') + 10)); | |
749 | else if ((*buf >= '0') && (*buf <= '9')) | |
750 | j = ((j << 4) | (*buf++ -'0')); | |
751 | else | |
752 | return -EINVAL; | |
753 | if (i % 2) { | |
754 | wwnn[i/2] = j & 0xff; | |
755 | j = 0; | |
756 | } | |
757 | } | |
758 | phba->cfg_soft_wwnn = wwn_to_u64(wwnn); | |
759 | ||
760 | dev_printk(KERN_NOTICE, &phba->pcidev->dev, | |
761 | "lpfc%d: soft_wwnn set. Value will take effect upon " | |
762 | "setting of the soft_wwpn\n", phba->brd_no); | |
763 | ||
764 | return count; | |
765 | } | |
766 | static CLASS_DEVICE_ATTR(lpfc_soft_wwnn, S_IRUGO | S_IWUSR,\ | |
767 | lpfc_soft_wwnn_show, lpfc_soft_wwnn_store); | |
768 | ||
c3f28afa | 769 | |
875fbdfe JSEC |
770 | static int lpfc_poll = 0; |
771 | module_param(lpfc_poll, int, 0); | |
772 | MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:" | |
773 | " 0 - none," | |
774 | " 1 - poll with interrupts enabled" | |
775 | " 3 - poll and disable FCP ring interrupts"); | |
776 | ||
777 | static CLASS_DEVICE_ATTR(lpfc_poll, S_IRUGO | S_IWUSR, | |
778 | lpfc_poll_show, lpfc_poll_store); | |
dea3101e | 779 | |
c01f3208 JS |
780 | /* |
781 | # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear | |
782 | # until the timer expires. Value range is [0,255]. Default value is 30. | |
783 | */ | |
784 | static int lpfc_nodev_tmo = LPFC_DEF_DEVLOSS_TMO; | |
785 | static int lpfc_devloss_tmo = LPFC_DEF_DEVLOSS_TMO; | |
786 | module_param(lpfc_nodev_tmo, int, 0); | |
787 | MODULE_PARM_DESC(lpfc_nodev_tmo, | |
788 | "Seconds driver will hold I/O waiting " | |
789 | "for a device to come back"); | |
790 | static ssize_t | |
791 | lpfc_nodev_tmo_show(struct class_device *cdev, char *buf) | |
792 | { | |
793 | struct Scsi_Host *host = class_to_shost(cdev); | |
794 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; | |
795 | int val = 0; | |
796 | val = phba->cfg_devloss_tmo; | |
797 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
798 | phba->cfg_devloss_tmo); | |
799 | } | |
800 | ||
801 | static int | |
802 | lpfc_nodev_tmo_init(struct lpfc_hba *phba, int val) | |
803 | { | |
804 | static int warned; | |
805 | if (phba->cfg_devloss_tmo != LPFC_DEF_DEVLOSS_TMO) { | |
806 | phba->cfg_nodev_tmo = phba->cfg_devloss_tmo; | |
807 | if (!warned && val != LPFC_DEF_DEVLOSS_TMO) { | |
808 | warned = 1; | |
809 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
810 | "%d:0402 Ignoring nodev_tmo module " | |
811 | "parameter because devloss_tmo is" | |
812 | " set.\n", | |
813 | phba->brd_no); | |
814 | } | |
815 | return 0; | |
816 | } | |
817 | ||
818 | if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { | |
819 | phba->cfg_nodev_tmo = val; | |
820 | phba->cfg_devloss_tmo = val; | |
821 | return 0; | |
822 | } | |
823 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
824 | "%d:0400 lpfc_nodev_tmo attribute cannot be set to %d, " | |
825 | "allowed range is [%d, %d]\n", | |
826 | phba->brd_no, val, | |
827 | LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO); | |
828 | phba->cfg_nodev_tmo = LPFC_DEF_DEVLOSS_TMO; | |
829 | return -EINVAL; | |
830 | } | |
831 | ||
7054a606 JS |
832 | static void |
833 | lpfc_update_rport_devloss_tmo(struct lpfc_hba *phba) | |
834 | { | |
835 | struct lpfc_nodelist *ndlp; | |
836 | ||
837 | spin_lock_irq(phba->host->host_lock); | |
838 | list_for_each_entry(ndlp, &phba->fc_nodes, nlp_listp) | |
839 | if (ndlp->rport) | |
840 | ndlp->rport->dev_loss_tmo = phba->cfg_devloss_tmo; | |
841 | spin_unlock_irq(phba->host->host_lock); | |
842 | } | |
843 | ||
c01f3208 JS |
844 | static int |
845 | lpfc_nodev_tmo_set(struct lpfc_hba *phba, int val) | |
846 | { | |
847 | if (phba->dev_loss_tmo_changed || | |
848 | (lpfc_devloss_tmo != LPFC_DEF_DEVLOSS_TMO)) { | |
849 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
850 | "%d:0401 Ignoring change to nodev_tmo " | |
851 | "because devloss_tmo is set.\n", | |
852 | phba->brd_no); | |
853 | return 0; | |
854 | } | |
855 | ||
856 | if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { | |
857 | phba->cfg_nodev_tmo = val; | |
858 | phba->cfg_devloss_tmo = val; | |
7054a606 | 859 | lpfc_update_rport_devloss_tmo(phba); |
c01f3208 JS |
860 | return 0; |
861 | } | |
862 | ||
863 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
864 | "%d:0403 lpfc_nodev_tmo attribute cannot be set to %d, " | |
865 | "allowed range is [%d, %d]\n", | |
866 | phba->brd_no, val, LPFC_MIN_DEVLOSS_TMO, | |
867 | LPFC_MAX_DEVLOSS_TMO); | |
868 | return -EINVAL; | |
869 | } | |
870 | ||
871 | lpfc_param_store(nodev_tmo) | |
872 | ||
873 | static CLASS_DEVICE_ATTR(lpfc_nodev_tmo, S_IRUGO | S_IWUSR, | |
874 | lpfc_nodev_tmo_show, lpfc_nodev_tmo_store); | |
875 | ||
876 | /* | |
877 | # lpfc_devloss_tmo: If set, it will hold all I/O errors on devices that | |
878 | # disappear until the timer expires. Value range is [0,255]. Default | |
879 | # value is 30. | |
880 | */ | |
881 | module_param(lpfc_devloss_tmo, int, 0); | |
882 | MODULE_PARM_DESC(lpfc_devloss_tmo, | |
883 | "Seconds driver will hold I/O waiting " | |
884 | "for a device to come back"); | |
885 | lpfc_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO, | |
886 | LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO) | |
887 | lpfc_param_show(devloss_tmo) | |
888 | static int | |
889 | lpfc_devloss_tmo_set(struct lpfc_hba *phba, int val) | |
890 | { | |
891 | if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { | |
892 | phba->cfg_nodev_tmo = val; | |
893 | phba->cfg_devloss_tmo = val; | |
894 | phba->dev_loss_tmo_changed = 1; | |
7054a606 | 895 | lpfc_update_rport_devloss_tmo(phba); |
c01f3208 JS |
896 | return 0; |
897 | } | |
898 | ||
899 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
900 | "%d:0404 lpfc_devloss_tmo attribute cannot be set to" | |
901 | " %d, allowed range is [%d, %d]\n", | |
902 | phba->brd_no, val, LPFC_MIN_DEVLOSS_TMO, | |
903 | LPFC_MAX_DEVLOSS_TMO); | |
904 | return -EINVAL; | |
905 | } | |
906 | ||
907 | lpfc_param_store(devloss_tmo) | |
908 | static CLASS_DEVICE_ATTR(lpfc_devloss_tmo, S_IRUGO | S_IWUSR, | |
909 | lpfc_devloss_tmo_show, lpfc_devloss_tmo_store); | |
910 | ||
dea3101e JB |
911 | /* |
912 | # lpfc_log_verbose: Only turn this flag on if you are willing to risk being | |
913 | # deluged with LOTS of information. | |
914 | # You can set a bit mask to record specific types of verbose messages: | |
915 | # | |
916 | # LOG_ELS 0x1 ELS events | |
917 | # LOG_DISCOVERY 0x2 Link discovery events | |
918 | # LOG_MBOX 0x4 Mailbox events | |
919 | # LOG_INIT 0x8 Initialization events | |
920 | # LOG_LINK_EVENT 0x10 Link events | |
dea3101e JB |
921 | # LOG_FCP 0x40 FCP traffic history |
922 | # LOG_NODE 0x80 Node table events | |
923 | # LOG_MISC 0x400 Miscellaneous events | |
924 | # LOG_SLI 0x800 SLI events | |
c7743956 | 925 | # LOG_FCP_ERROR 0x1000 Only log FCP errors |
dea3101e JB |
926 | # LOG_LIBDFC 0x2000 LIBDFC events |
927 | # LOG_ALL_MSG 0xffff LOG all messages | |
928 | */ | |
93a20f74 | 929 | LPFC_ATTR_HEX_RW(log_verbose, 0x0, 0x0, 0xffff, "Verbose logging bit-mask"); |
dea3101e JB |
930 | |
931 | /* | |
932 | # lun_queue_depth: This parameter is used to limit the number of outstanding | |
933 | # commands per FCP LUN. Value range is [1,128]. Default value is 30. | |
934 | */ | |
935 | LPFC_ATTR_R(lun_queue_depth, 30, 1, 128, | |
936 | "Max number of FCP commands we can queue to a specific LUN"); | |
937 | ||
b28485ac JW |
938 | /* |
939 | # hba_queue_depth: This parameter is used to limit the number of outstanding | |
940 | # commands per lpfc HBA. Value range is [32,8192]. If this parameter | |
941 | # value is greater than the maximum number of exchanges supported by the HBA, | |
942 | # then maximum number of exchanges supported by the HBA is used to determine | |
943 | # the hba_queue_depth. | |
944 | */ | |
945 | LPFC_ATTR_R(hba_queue_depth, 8192, 32, 8192, | |
946 | "Max number of FCP commands we can queue to a lpfc HBA"); | |
947 | ||
dea3101e JB |
948 | /* |
949 | # Some disk devices have a "select ID" or "select Target" capability. | |
950 | # From a protocol standpoint "select ID" usually means select the | |
951 | # Fibre channel "ALPA". In the FC-AL Profile there is an "informative | |
952 | # annex" which contains a table that maps a "select ID" (a number | |
953 | # between 0 and 7F) to an ALPA. By default, for compatibility with | |
954 | # older drivers, the lpfc driver scans this table from low ALPA to high | |
955 | # ALPA. | |
956 | # | |
957 | # Turning on the scan-down variable (on = 1, off = 0) will | |
958 | # cause the lpfc driver to use an inverted table, effectively | |
959 | # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1. | |
960 | # | |
961 | # (Note: This "select ID" functionality is a LOOP ONLY characteristic | |
962 | # and will not work across a fabric. Also this parameter will take | |
963 | # effect only in the case when ALPA map is not available.) | |
964 | */ | |
965 | LPFC_ATTR_R(scan_down, 1, 0, 1, | |
966 | "Start scanning for devices from highest ALPA to lowest"); | |
967 | ||
dea3101e JB |
968 | /* |
969 | # lpfc_topology: link topology for init link | |
970 | # 0x0 = attempt loop mode then point-to-point | |
367c2713 | 971 | # 0x01 = internal loopback mode |
dea3101e JB |
972 | # 0x02 = attempt point-to-point mode only |
973 | # 0x04 = attempt loop mode only | |
974 | # 0x06 = attempt point-to-point mode then loop | |
975 | # Set point-to-point mode if you want to run as an N_Port. | |
976 | # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6]. | |
977 | # Default value is 0. | |
978 | */ | |
367c2713 | 979 | LPFC_ATTR_RW(topology, 0, 0, 6, "Select Fibre Channel topology"); |
dea3101e JB |
980 | |
981 | /* | |
982 | # lpfc_link_speed: Link speed selection for initializing the Fibre Channel | |
983 | # connection. | |
984 | # 0 = auto select (default) | |
985 | # 1 = 1 Gigabaud | |
986 | # 2 = 2 Gigabaud | |
987 | # 4 = 4 Gigabaud | |
988 | # Value range is [0,4]. Default value is 0. | |
989 | */ | |
990 | LPFC_ATTR_R(link_speed, 0, 0, 4, "Select link speed"); | |
991 | ||
992 | /* | |
993 | # lpfc_fcp_class: Determines FC class to use for the FCP protocol. | |
994 | # Value range is [2,3]. Default value is 3. | |
995 | */ | |
996 | LPFC_ATTR_R(fcp_class, 3, 2, 3, | |
997 | "Select Fibre Channel class of service for FCP sequences"); | |
998 | ||
999 | /* | |
1000 | # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range | |
1001 | # is [0,1]. Default value is 0. | |
1002 | */ | |
1003 | LPFC_ATTR_RW(use_adisc, 0, 0, 1, | |
1004 | "Use ADISC on rediscovery to authenticate FCP devices"); | |
1005 | ||
1006 | /* | |
1007 | # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value | |
1008 | # range is [0,1]. Default value is 0. | |
1009 | */ | |
1010 | LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support"); | |
1011 | ||
1012 | /* | |
1013 | # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing | |
1014 | # cr_delay (msec) or cr_count outstanding commands. cr_delay can take | |
7054a606 | 1015 | # value [0,63]. cr_count can take value [1,255]. Default value of cr_delay |
dea3101e JB |
1016 | # is 0. Default value of cr_count is 1. The cr_count feature is disabled if |
1017 | # cr_delay is set to 0. | |
1018 | */ | |
8189fd19 | 1019 | LPFC_ATTR_RW(cr_delay, 0, 0, 63, "A count of milliseconds after which an " |
dea3101e JB |
1020 | "interrupt response is generated"); |
1021 | ||
8189fd19 | 1022 | LPFC_ATTR_RW(cr_count, 1, 1, 255, "A count of I/O completions after which an " |
dea3101e JB |
1023 | "interrupt response is generated"); |
1024 | ||
cf5bf97e JW |
1025 | /* |
1026 | # lpfc_multi_ring_support: Determines how many rings to spread available | |
1027 | # cmd/rsp IOCB entries across. | |
1028 | # Value range is [1,2]. Default value is 1. | |
1029 | */ | |
1030 | LPFC_ATTR_R(multi_ring_support, 1, 1, 2, "Determines number of primary " | |
1031 | "SLI rings to spread IOCB entries across"); | |
1032 | ||
a4bc3379 JS |
1033 | /* |
1034 | # lpfc_multi_ring_rctl: If lpfc_multi_ring_support is enabled, this | |
1035 | # identifies what rctl value to configure the additional ring for. | |
1036 | # Value range is [1,0xff]. Default value is 4 (Unsolicated Data). | |
1037 | */ | |
1038 | LPFC_ATTR_R(multi_ring_rctl, FC_UNSOL_DATA, 1, | |
1039 | 255, "Identifies RCTL for additional ring configuration"); | |
1040 | ||
1041 | /* | |
1042 | # lpfc_multi_ring_type: If lpfc_multi_ring_support is enabled, this | |
1043 | # identifies what type value to configure the additional ring for. | |
1044 | # Value range is [1,0xff]. Default value is 5 (LLC/SNAP). | |
1045 | */ | |
1046 | LPFC_ATTR_R(multi_ring_type, FC_LLC_SNAP, 1, | |
1047 | 255, "Identifies TYPE for additional ring configuration"); | |
1048 | ||
dea3101e JB |
1049 | /* |
1050 | # lpfc_fdmi_on: controls FDMI support. | |
1051 | # 0 = no FDMI support | |
1052 | # 1 = support FDMI without attribute of hostname | |
1053 | # 2 = support FDMI with attribute of hostname | |
1054 | # Value range [0,2]. Default value is 0. | |
1055 | */ | |
1056 | LPFC_ATTR_RW(fdmi_on, 0, 0, 2, "Enable FDMI support"); | |
1057 | ||
1058 | /* | |
1059 | # Specifies the maximum number of ELS cmds we can have outstanding (for | |
1060 | # discovery). Value range is [1,64]. Default value = 32. | |
1061 | */ | |
8189fd19 | 1062 | LPFC_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands " |
dea3101e JB |
1063 | "during discovery"); |
1064 | ||
1065 | /* | |
65a29c16 JS |
1066 | # lpfc_max_luns: maximum allowed LUN. |
1067 | # Value range is [0,65535]. Default value is 255. | |
1068 | # NOTE: The SCSI layer might probe all allowed LUN on some old targets. | |
dea3101e | 1069 | */ |
65a29c16 JS |
1070 | LPFC_ATTR_R(max_luns, 255, 0, 65535, |
1071 | "Maximum allowed LUN"); | |
dea3101e | 1072 | |
875fbdfe JSEC |
1073 | /* |
1074 | # lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring. | |
1075 | # Value range is [1,255], default value is 10. | |
1076 | */ | |
1077 | LPFC_ATTR_RW(poll_tmo, 10, 1, 255, | |
1078 | "Milliseconds driver will wait between polling FCP ring"); | |
1079 | ||
4ff43246 JS |
1080 | /* |
1081 | # lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that | |
1082 | # support this feature | |
1083 | # 0 = MSI disabled (default) | |
1084 | # 1 = MSI enabled | |
1085 | # Value range is [0,1]. Default value is 0. | |
1086 | */ | |
1087 | LPFC_ATTR_R(use_msi, 0, 0, 1, "Use Message Signaled Interrupts, if possible"); | |
1088 | ||
c3f28afa | 1089 | |
dea3101e JB |
1090 | struct class_device_attribute *lpfc_host_attrs[] = { |
1091 | &class_device_attr_info, | |
1092 | &class_device_attr_serialnum, | |
1093 | &class_device_attr_modeldesc, | |
1094 | &class_device_attr_modelname, | |
1095 | &class_device_attr_programtype, | |
1096 | &class_device_attr_portnum, | |
1097 | &class_device_attr_fwrev, | |
1098 | &class_device_attr_hdw, | |
1099 | &class_device_attr_option_rom_version, | |
1100 | &class_device_attr_state, | |
1101 | &class_device_attr_num_discovered_ports, | |
1102 | &class_device_attr_lpfc_drvr_version, | |
1103 | &class_device_attr_lpfc_log_verbose, | |
1104 | &class_device_attr_lpfc_lun_queue_depth, | |
b28485ac | 1105 | &class_device_attr_lpfc_hba_queue_depth, |
dea3101e | 1106 | &class_device_attr_lpfc_nodev_tmo, |
c01f3208 | 1107 | &class_device_attr_lpfc_devloss_tmo, |
dea3101e JB |
1108 | &class_device_attr_lpfc_fcp_class, |
1109 | &class_device_attr_lpfc_use_adisc, | |
1110 | &class_device_attr_lpfc_ack0, | |
1111 | &class_device_attr_lpfc_topology, | |
1112 | &class_device_attr_lpfc_scan_down, | |
1113 | &class_device_attr_lpfc_link_speed, | |
875fbdfe JSEC |
1114 | &class_device_attr_lpfc_cr_delay, |
1115 | &class_device_attr_lpfc_cr_count, | |
cf5bf97e | 1116 | &class_device_attr_lpfc_multi_ring_support, |
a4bc3379 JS |
1117 | &class_device_attr_lpfc_multi_ring_rctl, |
1118 | &class_device_attr_lpfc_multi_ring_type, | |
dea3101e JB |
1119 | &class_device_attr_lpfc_fdmi_on, |
1120 | &class_device_attr_lpfc_max_luns, | |
1121 | &class_device_attr_nport_evt_cnt, | |
1122 | &class_device_attr_management_version, | |
41415862 | 1123 | &class_device_attr_board_mode, |
40496f07 | 1124 | &class_device_attr_issue_reset, |
875fbdfe JSEC |
1125 | &class_device_attr_lpfc_poll, |
1126 | &class_device_attr_lpfc_poll_tmo, | |
4ff43246 | 1127 | &class_device_attr_lpfc_use_msi, |
a12e07bc | 1128 | &class_device_attr_lpfc_soft_wwnn, |
c3f28afa | 1129 | &class_device_attr_lpfc_soft_wwpn, |
a12e07bc | 1130 | &class_device_attr_lpfc_soft_wwn_enable, |
dea3101e JB |
1131 | NULL, |
1132 | }; | |
1133 | ||
1134 | static ssize_t | |
1135 | sysfs_ctlreg_write(struct kobject *kobj, char *buf, loff_t off, size_t count) | |
1136 | { | |
1137 | size_t buf_off; | |
1138 | struct Scsi_Host *host = class_to_shost(container_of(kobj, | |
1139 | struct class_device, kobj)); | |
7f0b5b19 | 1140 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; |
dea3101e JB |
1141 | |
1142 | if ((off + count) > FF_REG_AREA_SIZE) | |
1143 | return -ERANGE; | |
1144 | ||
1145 | if (count == 0) return 0; | |
1146 | ||
1147 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
1148 | return -EINVAL; | |
1149 | ||
1150 | spin_lock_irq(phba->host->host_lock); | |
1151 | ||
1152 | if (!(phba->fc_flag & FC_OFFLINE_MODE)) { | |
1153 | spin_unlock_irq(phba->host->host_lock); | |
1154 | return -EPERM; | |
1155 | } | |
1156 | ||
1157 | for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) | |
1158 | writel(*((uint32_t *)(buf + buf_off)), | |
1159 | phba->ctrl_regs_memmap_p + off + buf_off); | |
1160 | ||
1161 | spin_unlock_irq(phba->host->host_lock); | |
1162 | ||
1163 | return count; | |
1164 | } | |
1165 | ||
1166 | static ssize_t | |
1167 | sysfs_ctlreg_read(struct kobject *kobj, char *buf, loff_t off, size_t count) | |
1168 | { | |
1169 | size_t buf_off; | |
1170 | uint32_t * tmp_ptr; | |
1171 | struct Scsi_Host *host = class_to_shost(container_of(kobj, | |
1172 | struct class_device, kobj)); | |
7f0b5b19 | 1173 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; |
dea3101e JB |
1174 | |
1175 | if (off > FF_REG_AREA_SIZE) | |
1176 | return -ERANGE; | |
1177 | ||
1178 | if ((off + count) > FF_REG_AREA_SIZE) | |
1179 | count = FF_REG_AREA_SIZE - off; | |
1180 | ||
1181 | if (count == 0) return 0; | |
1182 | ||
1183 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
1184 | return -EINVAL; | |
1185 | ||
1186 | spin_lock_irq(phba->host->host_lock); | |
1187 | ||
1188 | for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) { | |
1189 | tmp_ptr = (uint32_t *)(buf + buf_off); | |
1190 | *tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off); | |
1191 | } | |
1192 | ||
1193 | spin_unlock_irq(phba->host->host_lock); | |
1194 | ||
1195 | return count; | |
1196 | } | |
1197 | ||
1198 | static struct bin_attribute sysfs_ctlreg_attr = { | |
1199 | .attr = { | |
1200 | .name = "ctlreg", | |
1201 | .mode = S_IRUSR | S_IWUSR, | |
1202 | .owner = THIS_MODULE, | |
1203 | }, | |
1204 | .size = 256, | |
1205 | .read = sysfs_ctlreg_read, | |
1206 | .write = sysfs_ctlreg_write, | |
1207 | }; | |
1208 | ||
1209 | ||
1210 | static void | |
1211 | sysfs_mbox_idle (struct lpfc_hba * phba) | |
1212 | { | |
1213 | phba->sysfs_mbox.state = SMBOX_IDLE; | |
1214 | phba->sysfs_mbox.offset = 0; | |
1215 | ||
1216 | if (phba->sysfs_mbox.mbox) { | |
1217 | mempool_free(phba->sysfs_mbox.mbox, | |
1218 | phba->mbox_mem_pool); | |
1219 | phba->sysfs_mbox.mbox = NULL; | |
1220 | } | |
1221 | } | |
1222 | ||
1223 | static ssize_t | |
1224 | sysfs_mbox_write(struct kobject *kobj, char *buf, loff_t off, size_t count) | |
1225 | { | |
1226 | struct Scsi_Host * host = | |
1227 | class_to_shost(container_of(kobj, struct class_device, kobj)); | |
7f0b5b19 | 1228 | struct lpfc_hba * phba = (struct lpfc_hba*)host->hostdata; |
dea3101e JB |
1229 | struct lpfcMboxq * mbox = NULL; |
1230 | ||
1231 | if ((count + off) > MAILBOX_CMD_SIZE) | |
1232 | return -ERANGE; | |
1233 | ||
1234 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
1235 | return -EINVAL; | |
1236 | ||
1237 | if (count == 0) | |
1238 | return 0; | |
1239 | ||
1240 | if (off == 0) { | |
1241 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
1242 | if (!mbox) | |
1243 | return -ENOMEM; | |
fc6c12bc | 1244 | memset(mbox, 0, sizeof (LPFC_MBOXQ_t)); |
dea3101e JB |
1245 | } |
1246 | ||
1247 | spin_lock_irq(host->host_lock); | |
1248 | ||
1249 | if (off == 0) { | |
1250 | if (phba->sysfs_mbox.mbox) | |
1251 | mempool_free(mbox, phba->mbox_mem_pool); | |
1252 | else | |
1253 | phba->sysfs_mbox.mbox = mbox; | |
1254 | phba->sysfs_mbox.state = SMBOX_WRITING; | |
1255 | } else { | |
1256 | if (phba->sysfs_mbox.state != SMBOX_WRITING || | |
1257 | phba->sysfs_mbox.offset != off || | |
1258 | phba->sysfs_mbox.mbox == NULL ) { | |
1259 | sysfs_mbox_idle(phba); | |
1260 | spin_unlock_irq(host->host_lock); | |
8f6d98d2 | 1261 | return -EAGAIN; |
dea3101e JB |
1262 | } |
1263 | } | |
1264 | ||
1265 | memcpy((uint8_t *) & phba->sysfs_mbox.mbox->mb + off, | |
1266 | buf, count); | |
1267 | ||
1268 | phba->sysfs_mbox.offset = off + count; | |
1269 | ||
1270 | spin_unlock_irq(host->host_lock); | |
1271 | ||
1272 | return count; | |
1273 | } | |
1274 | ||
1275 | static ssize_t | |
1276 | sysfs_mbox_read(struct kobject *kobj, char *buf, loff_t off, size_t count) | |
1277 | { | |
1278 | struct Scsi_Host *host = | |
1279 | class_to_shost(container_of(kobj, struct class_device, | |
1280 | kobj)); | |
7f0b5b19 | 1281 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; |
dea3101e JB |
1282 | int rc; |
1283 | ||
1dcb58e5 | 1284 | if (off > MAILBOX_CMD_SIZE) |
dea3101e JB |
1285 | return -ERANGE; |
1286 | ||
1dcb58e5 JS |
1287 | if ((count + off) > MAILBOX_CMD_SIZE) |
1288 | count = MAILBOX_CMD_SIZE - off; | |
dea3101e JB |
1289 | |
1290 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
1291 | return -EINVAL; | |
1292 | ||
1293 | if (off && count == 0) | |
1294 | return 0; | |
1295 | ||
1296 | spin_lock_irq(phba->host->host_lock); | |
1297 | ||
1298 | if (off == 0 && | |
1299 | phba->sysfs_mbox.state == SMBOX_WRITING && | |
1300 | phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) { | |
1301 | ||
1302 | switch (phba->sysfs_mbox.mbox->mb.mbxCommand) { | |
1303 | /* Offline only */ | |
1304 | case MBX_WRITE_NV: | |
1305 | case MBX_INIT_LINK: | |
1306 | case MBX_DOWN_LINK: | |
1307 | case MBX_CONFIG_LINK: | |
1308 | case MBX_CONFIG_RING: | |
1309 | case MBX_RESET_RING: | |
1310 | case MBX_UNREG_LOGIN: | |
1311 | case MBX_CLEAR_LA: | |
1312 | case MBX_DUMP_CONTEXT: | |
1313 | case MBX_RUN_DIAGS: | |
1314 | case MBX_RESTART: | |
1315 | case MBX_FLASH_WR_ULA: | |
1316 | case MBX_SET_MASK: | |
1317 | case MBX_SET_SLIM: | |
1318 | case MBX_SET_DEBUG: | |
1319 | if (!(phba->fc_flag & FC_OFFLINE_MODE)) { | |
1320 | printk(KERN_WARNING "mbox_read:Command 0x%x " | |
1321 | "is illegal in on-line state\n", | |
1322 | phba->sysfs_mbox.mbox->mb.mbxCommand); | |
1323 | sysfs_mbox_idle(phba); | |
1324 | spin_unlock_irq(phba->host->host_lock); | |
1325 | return -EPERM; | |
1326 | } | |
1327 | case MBX_LOAD_SM: | |
1328 | case MBX_READ_NV: | |
1329 | case MBX_READ_CONFIG: | |
1330 | case MBX_READ_RCONFIG: | |
1331 | case MBX_READ_STATUS: | |
1332 | case MBX_READ_XRI: | |
1333 | case MBX_READ_REV: | |
1334 | case MBX_READ_LNK_STAT: | |
1335 | case MBX_DUMP_MEMORY: | |
1336 | case MBX_DOWN_LOAD: | |
1337 | case MBX_UPDATE_CFG: | |
41415862 | 1338 | case MBX_KILL_BOARD: |
dea3101e JB |
1339 | case MBX_LOAD_AREA: |
1340 | case MBX_LOAD_EXP_ROM: | |
41415862 JW |
1341 | case MBX_BEACON: |
1342 | case MBX_DEL_LD_ENTRY: | |
dea3101e JB |
1343 | break; |
1344 | case MBX_READ_SPARM64: | |
1345 | case MBX_READ_LA: | |
1346 | case MBX_READ_LA64: | |
1347 | case MBX_REG_LOGIN: | |
1348 | case MBX_REG_LOGIN64: | |
1349 | case MBX_CONFIG_PORT: | |
1350 | case MBX_RUN_BIU_DIAG: | |
1351 | printk(KERN_WARNING "mbox_read: Illegal Command 0x%x\n", | |
1352 | phba->sysfs_mbox.mbox->mb.mbxCommand); | |
1353 | sysfs_mbox_idle(phba); | |
1354 | spin_unlock_irq(phba->host->host_lock); | |
1355 | return -EPERM; | |
1356 | default: | |
1357 | printk(KERN_WARNING "mbox_read: Unknown Command 0x%x\n", | |
1358 | phba->sysfs_mbox.mbox->mb.mbxCommand); | |
1359 | sysfs_mbox_idle(phba); | |
1360 | spin_unlock_irq(phba->host->host_lock); | |
1361 | return -EPERM; | |
1362 | } | |
1363 | ||
46fa311e JS |
1364 | if (phba->fc_flag & FC_BLOCK_MGMT_IO) { |
1365 | sysfs_mbox_idle(phba); | |
1366 | spin_unlock_irq(host->host_lock); | |
1367 | return -EAGAIN; | |
1368 | } | |
1369 | ||
dea3101e JB |
1370 | if ((phba->fc_flag & FC_OFFLINE_MODE) || |
1371 | (!(phba->sli.sli_flag & LPFC_SLI2_ACTIVE))){ | |
1372 | ||
1373 | spin_unlock_irq(phba->host->host_lock); | |
1374 | rc = lpfc_sli_issue_mbox (phba, | |
1375 | phba->sysfs_mbox.mbox, | |
1376 | MBX_POLL); | |
1377 | spin_lock_irq(phba->host->host_lock); | |
1378 | ||
1379 | } else { | |
1380 | spin_unlock_irq(phba->host->host_lock); | |
1381 | rc = lpfc_sli_issue_mbox_wait (phba, | |
1382 | phba->sysfs_mbox.mbox, | |
a309a6b6 JS |
1383 | lpfc_mbox_tmo_val(phba, |
1384 | phba->sysfs_mbox.mbox->mb.mbxCommand) * HZ); | |
dea3101e JB |
1385 | spin_lock_irq(phba->host->host_lock); |
1386 | } | |
1387 | ||
1388 | if (rc != MBX_SUCCESS) { | |
1dcb58e5 JS |
1389 | if (rc == MBX_TIMEOUT) { |
1390 | phba->sysfs_mbox.mbox->mbox_cmpl = | |
1391 | lpfc_sli_def_mbox_cmpl; | |
1392 | phba->sysfs_mbox.mbox = NULL; | |
1393 | } | |
dea3101e JB |
1394 | sysfs_mbox_idle(phba); |
1395 | spin_unlock_irq(host->host_lock); | |
8f6d98d2 | 1396 | return (rc == MBX_TIMEOUT) ? -ETIME : -ENODEV; |
dea3101e JB |
1397 | } |
1398 | phba->sysfs_mbox.state = SMBOX_READING; | |
1399 | } | |
1400 | else if (phba->sysfs_mbox.offset != off || | |
1401 | phba->sysfs_mbox.state != SMBOX_READING) { | |
1402 | printk(KERN_WARNING "mbox_read: Bad State\n"); | |
1403 | sysfs_mbox_idle(phba); | |
1404 | spin_unlock_irq(host->host_lock); | |
8f6d98d2 | 1405 | return -EAGAIN; |
dea3101e JB |
1406 | } |
1407 | ||
1408 | memcpy(buf, (uint8_t *) & phba->sysfs_mbox.mbox->mb + off, count); | |
1409 | ||
1410 | phba->sysfs_mbox.offset = off + count; | |
1411 | ||
1dcb58e5 | 1412 | if (phba->sysfs_mbox.offset == MAILBOX_CMD_SIZE) |
dea3101e JB |
1413 | sysfs_mbox_idle(phba); |
1414 | ||
1415 | spin_unlock_irq(phba->host->host_lock); | |
1416 | ||
1417 | return count; | |
1418 | } | |
1419 | ||
1420 | static struct bin_attribute sysfs_mbox_attr = { | |
1421 | .attr = { | |
1422 | .name = "mbox", | |
1423 | .mode = S_IRUSR | S_IWUSR, | |
1424 | .owner = THIS_MODULE, | |
1425 | }, | |
1dcb58e5 | 1426 | .size = MAILBOX_CMD_SIZE, |
dea3101e JB |
1427 | .read = sysfs_mbox_read, |
1428 | .write = sysfs_mbox_write, | |
1429 | }; | |
1430 | ||
1431 | int | |
1432 | lpfc_alloc_sysfs_attr(struct lpfc_hba *phba) | |
1433 | { | |
1434 | struct Scsi_Host *host = phba->host; | |
1435 | int error; | |
1436 | ||
1437 | error = sysfs_create_bin_file(&host->shost_classdev.kobj, | |
1438 | &sysfs_ctlreg_attr); | |
1439 | if (error) | |
1440 | goto out; | |
1441 | ||
1442 | error = sysfs_create_bin_file(&host->shost_classdev.kobj, | |
1443 | &sysfs_mbox_attr); | |
1444 | if (error) | |
1445 | goto out_remove_ctlreg_attr; | |
1446 | ||
1447 | return 0; | |
1448 | out_remove_ctlreg_attr: | |
1449 | sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_ctlreg_attr); | |
1450 | out: | |
1451 | return error; | |
1452 | } | |
1453 | ||
1454 | void | |
1455 | lpfc_free_sysfs_attr(struct lpfc_hba *phba) | |
1456 | { | |
1457 | struct Scsi_Host *host = phba->host; | |
1458 | ||
1459 | sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_mbox_attr); | |
1460 | sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_ctlreg_attr); | |
1461 | } | |
1462 | ||
1463 | ||
1464 | /* | |
1465 | * Dynamic FC Host Attributes Support | |
1466 | */ | |
1467 | ||
1468 | static void | |
1469 | lpfc_get_host_port_id(struct Scsi_Host *shost) | |
1470 | { | |
7f0b5b19 | 1471 | struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata; |
dea3101e JB |
1472 | /* note: fc_myDID already in cpu endianness */ |
1473 | fc_host_port_id(shost) = phba->fc_myDID; | |
1474 | } | |
1475 | ||
1476 | static void | |
1477 | lpfc_get_host_port_type(struct Scsi_Host *shost) | |
1478 | { | |
7f0b5b19 | 1479 | struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata; |
dea3101e JB |
1480 | |
1481 | spin_lock_irq(shost->host_lock); | |
1482 | ||
1483 | if (phba->hba_state == LPFC_HBA_READY) { | |
1484 | if (phba->fc_topology == TOPOLOGY_LOOP) { | |
1485 | if (phba->fc_flag & FC_PUBLIC_LOOP) | |
1486 | fc_host_port_type(shost) = FC_PORTTYPE_NLPORT; | |
1487 | else | |
1488 | fc_host_port_type(shost) = FC_PORTTYPE_LPORT; | |
1489 | } else { | |
1490 | if (phba->fc_flag & FC_FABRIC) | |
1491 | fc_host_port_type(shost) = FC_PORTTYPE_NPORT; | |
1492 | else | |
1493 | fc_host_port_type(shost) = FC_PORTTYPE_PTP; | |
1494 | } | |
1495 | } else | |
1496 | fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN; | |
1497 | ||
1498 | spin_unlock_irq(shost->host_lock); | |
1499 | } | |
1500 | ||
1501 | static void | |
1502 | lpfc_get_host_port_state(struct Scsi_Host *shost) | |
1503 | { | |
7f0b5b19 | 1504 | struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata; |
dea3101e JB |
1505 | |
1506 | spin_lock_irq(shost->host_lock); | |
1507 | ||
1508 | if (phba->fc_flag & FC_OFFLINE_MODE) | |
1509 | fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE; | |
1510 | else { | |
1511 | switch (phba->hba_state) { | |
41415862 JW |
1512 | case LPFC_STATE_UNKNOWN: |
1513 | case LPFC_WARM_START: | |
dea3101e JB |
1514 | case LPFC_INIT_START: |
1515 | case LPFC_INIT_MBX_CMDS: | |
1516 | case LPFC_LINK_DOWN: | |
1517 | fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN; | |
1518 | break; | |
1519 | case LPFC_LINK_UP: | |
1520 | case LPFC_LOCAL_CFG_LINK: | |
1521 | case LPFC_FLOGI: | |
1522 | case LPFC_FABRIC_CFG_LINK: | |
1523 | case LPFC_NS_REG: | |
1524 | case LPFC_NS_QRY: | |
1525 | case LPFC_BUILD_DISC_LIST: | |
1526 | case LPFC_DISC_AUTH: | |
1527 | case LPFC_CLEAR_LA: | |
1528 | case LPFC_HBA_READY: | |
1529 | /* Links up, beyond this port_type reports state */ | |
1530 | fc_host_port_state(shost) = FC_PORTSTATE_ONLINE; | |
1531 | break; | |
1532 | case LPFC_HBA_ERROR: | |
1533 | fc_host_port_state(shost) = FC_PORTSTATE_ERROR; | |
1534 | break; | |
1535 | default: | |
1536 | fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN; | |
1537 | break; | |
1538 | } | |
1539 | } | |
1540 | ||
1541 | spin_unlock_irq(shost->host_lock); | |
1542 | } | |
1543 | ||
1544 | static void | |
1545 | lpfc_get_host_speed(struct Scsi_Host *shost) | |
1546 | { | |
7f0b5b19 | 1547 | struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata; |
dea3101e JB |
1548 | |
1549 | spin_lock_irq(shost->host_lock); | |
1550 | ||
1551 | if (phba->hba_state == LPFC_HBA_READY) { | |
1552 | switch(phba->fc_linkspeed) { | |
1553 | case LA_1GHZ_LINK: | |
1554 | fc_host_speed(shost) = FC_PORTSPEED_1GBIT; | |
1555 | break; | |
1556 | case LA_2GHZ_LINK: | |
1557 | fc_host_speed(shost) = FC_PORTSPEED_2GBIT; | |
1558 | break; | |
1559 | case LA_4GHZ_LINK: | |
1560 | fc_host_speed(shost) = FC_PORTSPEED_4GBIT; | |
1561 | break; | |
1562 | default: | |
1563 | fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN; | |
1564 | break; | |
1565 | } | |
1566 | } | |
1567 | ||
1568 | spin_unlock_irq(shost->host_lock); | |
1569 | } | |
1570 | ||
1571 | static void | |
1572 | lpfc_get_host_fabric_name (struct Scsi_Host *shost) | |
1573 | { | |
7f0b5b19 | 1574 | struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata; |
f631b4be | 1575 | u64 node_name; |
dea3101e JB |
1576 | |
1577 | spin_lock_irq(shost->host_lock); | |
1578 | ||
1579 | if ((phba->fc_flag & FC_FABRIC) || | |
1580 | ((phba->fc_topology == TOPOLOGY_LOOP) && | |
1581 | (phba->fc_flag & FC_PUBLIC_LOOP))) | |
68ce1eb5 | 1582 | node_name = wwn_to_u64(phba->fc_fabparam.nodeName.u.wwn); |
dea3101e JB |
1583 | else |
1584 | /* fabric is local port if there is no F/FL_Port */ | |
68ce1eb5 | 1585 | node_name = wwn_to_u64(phba->fc_nodename.u.wwn); |
dea3101e JB |
1586 | |
1587 | spin_unlock_irq(shost->host_lock); | |
1588 | ||
f631b4be | 1589 | fc_host_fabric_name(shost) = node_name; |
dea3101e JB |
1590 | } |
1591 | ||
ae36764a JS |
1592 | static void |
1593 | lpfc_get_host_symbolic_name (struct Scsi_Host *shost) | |
1594 | { | |
1595 | struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata; | |
1596 | ||
1597 | spin_lock_irq(shost->host_lock); | |
1598 | lpfc_get_hba_sym_node_name(phba, fc_host_symbolic_name(shost)); | |
1599 | spin_unlock_irq(shost->host_lock); | |
1600 | } | |
dea3101e JB |
1601 | |
1602 | static struct fc_host_statistics * | |
1603 | lpfc_get_stats(struct Scsi_Host *shost) | |
1604 | { | |
7f0b5b19 | 1605 | struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata; |
dea3101e | 1606 | struct lpfc_sli *psli = &phba->sli; |
f888ba3c | 1607 | struct fc_host_statistics *hs = &phba->link_stats; |
64ba8818 | 1608 | struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets; |
dea3101e JB |
1609 | LPFC_MBOXQ_t *pmboxq; |
1610 | MAILBOX_t *pmb; | |
64ba8818 | 1611 | unsigned long seconds; |
433c3579 | 1612 | int rc = 0; |
dea3101e | 1613 | |
46fa311e JS |
1614 | if (phba->fc_flag & FC_BLOCK_MGMT_IO) |
1615 | return NULL; | |
1616 | ||
dea3101e JB |
1617 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
1618 | if (!pmboxq) | |
1619 | return NULL; | |
1620 | memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); | |
1621 | ||
1622 | pmb = &pmboxq->mb; | |
1623 | pmb->mbxCommand = MBX_READ_STATUS; | |
1624 | pmb->mbxOwner = OWN_HOST; | |
1625 | pmboxq->context1 = NULL; | |
1626 | ||
1627 | if ((phba->fc_flag & FC_OFFLINE_MODE) || | |
433c3579 | 1628 | (!(psli->sli_flag & LPFC_SLI2_ACTIVE))) |
dea3101e | 1629 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
433c3579 | 1630 | else |
dea3101e JB |
1631 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); |
1632 | ||
1633 | if (rc != MBX_SUCCESS) { | |
433c3579 JSEC |
1634 | if (rc == MBX_TIMEOUT) |
1635 | pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
1636 | else | |
1637 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
dea3101e JB |
1638 | return NULL; |
1639 | } | |
1640 | ||
f888ba3c JSEC |
1641 | memset(hs, 0, sizeof (struct fc_host_statistics)); |
1642 | ||
dea3101e JB |
1643 | hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt; |
1644 | hs->tx_words = (pmb->un.varRdStatus.xmitByteCnt * 256); | |
1645 | hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt; | |
1646 | hs->rx_words = (pmb->un.varRdStatus.rcvByteCnt * 256); | |
1647 | ||
433c3579 | 1648 | memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); |
dea3101e JB |
1649 | pmb->mbxCommand = MBX_READ_LNK_STAT; |
1650 | pmb->mbxOwner = OWN_HOST; | |
1651 | pmboxq->context1 = NULL; | |
1652 | ||
1653 | if ((phba->fc_flag & FC_OFFLINE_MODE) || | |
433c3579 | 1654 | (!(psli->sli_flag & LPFC_SLI2_ACTIVE))) |
dea3101e | 1655 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
433c3579 | 1656 | else |
dea3101e JB |
1657 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); |
1658 | ||
1659 | if (rc != MBX_SUCCESS) { | |
433c3579 JSEC |
1660 | if (rc == MBX_TIMEOUT) |
1661 | pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
1662 | else | |
1663 | mempool_free( pmboxq, phba->mbox_mem_pool); | |
dea3101e JB |
1664 | return NULL; |
1665 | } | |
1666 | ||
1667 | hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt; | |
1668 | hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt; | |
1669 | hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt; | |
1670 | hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt; | |
1671 | hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord; | |
1672 | hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt; | |
1673 | hs->error_frames = pmb->un.varRdLnk.crcCnt; | |
1674 | ||
64ba8818 JS |
1675 | hs->link_failure_count -= lso->link_failure_count; |
1676 | hs->loss_of_sync_count -= lso->loss_of_sync_count; | |
1677 | hs->loss_of_signal_count -= lso->loss_of_signal_count; | |
1678 | hs->prim_seq_protocol_err_count -= lso->prim_seq_protocol_err_count; | |
1679 | hs->invalid_tx_word_count -= lso->invalid_tx_word_count; | |
1680 | hs->invalid_crc_count -= lso->invalid_crc_count; | |
1681 | hs->error_frames -= lso->error_frames; | |
1682 | ||
dea3101e JB |
1683 | if (phba->fc_topology == TOPOLOGY_LOOP) { |
1684 | hs->lip_count = (phba->fc_eventTag >> 1); | |
64ba8818 | 1685 | hs->lip_count -= lso->link_events; |
dea3101e JB |
1686 | hs->nos_count = -1; |
1687 | } else { | |
1688 | hs->lip_count = -1; | |
1689 | hs->nos_count = (phba->fc_eventTag >> 1); | |
64ba8818 | 1690 | hs->nos_count -= lso->link_events; |
dea3101e JB |
1691 | } |
1692 | ||
1693 | hs->dumped_frames = -1; | |
1694 | ||
64ba8818 JS |
1695 | seconds = get_seconds(); |
1696 | if (seconds < psli->stats_start) | |
1697 | hs->seconds_since_last_reset = seconds + | |
1698 | ((unsigned long)-1 - psli->stats_start); | |
1699 | else | |
1700 | hs->seconds_since_last_reset = seconds - psli->stats_start; | |
dea3101e | 1701 | |
1dcb58e5 JS |
1702 | mempool_free(pmboxq, phba->mbox_mem_pool); |
1703 | ||
dea3101e JB |
1704 | return hs; |
1705 | } | |
1706 | ||
64ba8818 JS |
1707 | static void |
1708 | lpfc_reset_stats(struct Scsi_Host *shost) | |
1709 | { | |
1710 | struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata; | |
1711 | struct lpfc_sli *psli = &phba->sli; | |
1712 | struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets; | |
1713 | LPFC_MBOXQ_t *pmboxq; | |
1714 | MAILBOX_t *pmb; | |
1715 | int rc = 0; | |
1716 | ||
46fa311e JS |
1717 | if (phba->fc_flag & FC_BLOCK_MGMT_IO) |
1718 | return; | |
1719 | ||
64ba8818 JS |
1720 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
1721 | if (!pmboxq) | |
1722 | return; | |
1723 | memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t)); | |
1724 | ||
1725 | pmb = &pmboxq->mb; | |
1726 | pmb->mbxCommand = MBX_READ_STATUS; | |
1727 | pmb->mbxOwner = OWN_HOST; | |
1728 | pmb->un.varWords[0] = 0x1; /* reset request */ | |
1729 | pmboxq->context1 = NULL; | |
1730 | ||
1731 | if ((phba->fc_flag & FC_OFFLINE_MODE) || | |
1732 | (!(psli->sli_flag & LPFC_SLI2_ACTIVE))) | |
1733 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); | |
1734 | else | |
1735 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); | |
1736 | ||
1737 | if (rc != MBX_SUCCESS) { | |
1738 | if (rc == MBX_TIMEOUT) | |
1739 | pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
1740 | else | |
1741 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
1742 | return; | |
1743 | } | |
1744 | ||
1745 | memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t)); | |
1746 | pmb->mbxCommand = MBX_READ_LNK_STAT; | |
1747 | pmb->mbxOwner = OWN_HOST; | |
1748 | pmboxq->context1 = NULL; | |
1749 | ||
1750 | if ((phba->fc_flag & FC_OFFLINE_MODE) || | |
1751 | (!(psli->sli_flag & LPFC_SLI2_ACTIVE))) | |
1752 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); | |
1753 | else | |
1754 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); | |
1755 | ||
1756 | if (rc != MBX_SUCCESS) { | |
1757 | if (rc == MBX_TIMEOUT) | |
1758 | pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
1759 | else | |
1760 | mempool_free( pmboxq, phba->mbox_mem_pool); | |
1761 | return; | |
1762 | } | |
1763 | ||
1764 | lso->link_failure_count = pmb->un.varRdLnk.linkFailureCnt; | |
1765 | lso->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt; | |
1766 | lso->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt; | |
1767 | lso->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt; | |
1768 | lso->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord; | |
1769 | lso->invalid_crc_count = pmb->un.varRdLnk.crcCnt; | |
1770 | lso->error_frames = pmb->un.varRdLnk.crcCnt; | |
1771 | lso->link_events = (phba->fc_eventTag >> 1); | |
1772 | ||
1773 | psli->stats_start = get_seconds(); | |
1774 | ||
1dcb58e5 JS |
1775 | mempool_free(pmboxq, phba->mbox_mem_pool); |
1776 | ||
64ba8818 JS |
1777 | return; |
1778 | } | |
dea3101e JB |
1779 | |
1780 | /* | |
1781 | * The LPFC driver treats linkdown handling as target loss events so there | |
1782 | * are no sysfs handlers for link_down_tmo. | |
1783 | */ | |
685f0bf7 JS |
1784 | |
1785 | static struct lpfc_nodelist * | |
1786 | lpfc_get_node_by_target(struct scsi_target *starget) | |
dea3101e JB |
1787 | { |
1788 | struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); | |
7f0b5b19 | 1789 | struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata; |
685f0bf7 | 1790 | struct lpfc_nodelist *ndlp; |
dea3101e JB |
1791 | |
1792 | spin_lock_irq(shost->host_lock); | |
685f0bf7 JS |
1793 | /* Search for this, mapped, target ID */ |
1794 | list_for_each_entry(ndlp, &phba->fc_nodes, nlp_listp) { | |
1795 | if (ndlp->nlp_state == NLP_STE_MAPPED_NODE && | |
1796 | starget->id == ndlp->nlp_sid) { | |
1797 | spin_unlock_irq(shost->host_lock); | |
1798 | return ndlp; | |
dea3101e JB |
1799 | } |
1800 | } | |
1801 | spin_unlock_irq(shost->host_lock); | |
685f0bf7 JS |
1802 | return NULL; |
1803 | } | |
dea3101e | 1804 | |
685f0bf7 JS |
1805 | static void |
1806 | lpfc_get_starget_port_id(struct scsi_target *starget) | |
1807 | { | |
1808 | struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); | |
1809 | ||
1810 | fc_starget_port_id(starget) = ndlp ? ndlp->nlp_DID : -1; | |
dea3101e JB |
1811 | } |
1812 | ||
1813 | static void | |
1814 | lpfc_get_starget_node_name(struct scsi_target *starget) | |
1815 | { | |
685f0bf7 | 1816 | struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); |
dea3101e | 1817 | |
685f0bf7 JS |
1818 | fc_starget_node_name(starget) = |
1819 | ndlp ? wwn_to_u64(ndlp->nlp_nodename.u.wwn) : 0; | |
dea3101e JB |
1820 | } |
1821 | ||
1822 | static void | |
1823 | lpfc_get_starget_port_name(struct scsi_target *starget) | |
1824 | { | |
685f0bf7 | 1825 | struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); |
dea3101e | 1826 | |
685f0bf7 JS |
1827 | fc_starget_port_name(starget) = |
1828 | ndlp ? wwn_to_u64(ndlp->nlp_portname.u.wwn) : 0; | |
dea3101e JB |
1829 | } |
1830 | ||
dea3101e JB |
1831 | static void |
1832 | lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout) | |
1833 | { | |
dea3101e | 1834 | if (timeout) |
c01f3208 | 1835 | rport->dev_loss_tmo = timeout; |
dea3101e | 1836 | else |
c01f3208 | 1837 | rport->dev_loss_tmo = 1; |
dea3101e JB |
1838 | } |
1839 | ||
1840 | ||
1841 | #define lpfc_rport_show_function(field, format_string, sz, cast) \ | |
1842 | static ssize_t \ | |
1843 | lpfc_show_rport_##field (struct class_device *cdev, char *buf) \ | |
1844 | { \ | |
1845 | struct fc_rport *rport = transport_class_to_rport(cdev); \ | |
1846 | struct lpfc_rport_data *rdata = rport->hostdata; \ | |
1847 | return snprintf(buf, sz, format_string, \ | |
1848 | (rdata->target) ? cast rdata->target->field : 0); \ | |
1849 | } | |
1850 | ||
1851 | #define lpfc_rport_rd_attr(field, format_string, sz) \ | |
1852 | lpfc_rport_show_function(field, format_string, sz, ) \ | |
1853 | static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL) | |
1854 | ||
1855 | ||
1856 | struct fc_function_template lpfc_transport_functions = { | |
1857 | /* fixed attributes the driver supports */ | |
1858 | .show_host_node_name = 1, | |
1859 | .show_host_port_name = 1, | |
1860 | .show_host_supported_classes = 1, | |
1861 | .show_host_supported_fc4s = 1, | |
dea3101e JB |
1862 | .show_host_supported_speeds = 1, |
1863 | .show_host_maxframe_size = 1, | |
1864 | ||
1865 | /* dynamic attributes the driver supports */ | |
1866 | .get_host_port_id = lpfc_get_host_port_id, | |
1867 | .show_host_port_id = 1, | |
1868 | ||
1869 | .get_host_port_type = lpfc_get_host_port_type, | |
1870 | .show_host_port_type = 1, | |
1871 | ||
1872 | .get_host_port_state = lpfc_get_host_port_state, | |
1873 | .show_host_port_state = 1, | |
1874 | ||
1875 | /* active_fc4s is shown but doesn't change (thus no get function) */ | |
1876 | .show_host_active_fc4s = 1, | |
1877 | ||
1878 | .get_host_speed = lpfc_get_host_speed, | |
1879 | .show_host_speed = 1, | |
1880 | ||
1881 | .get_host_fabric_name = lpfc_get_host_fabric_name, | |
1882 | .show_host_fabric_name = 1, | |
1883 | ||
ae36764a JS |
1884 | .get_host_symbolic_name = lpfc_get_host_symbolic_name, |
1885 | .show_host_symbolic_name = 1, | |
1886 | ||
dea3101e JB |
1887 | /* |
1888 | * The LPFC driver treats linkdown handling as target loss events | |
1889 | * so there are no sysfs handlers for link_down_tmo. | |
1890 | */ | |
1891 | ||
1892 | .get_fc_host_stats = lpfc_get_stats, | |
64ba8818 | 1893 | .reset_fc_host_stats = lpfc_reset_stats, |
dea3101e JB |
1894 | |
1895 | .dd_fcrport_size = sizeof(struct lpfc_rport_data), | |
1896 | .show_rport_maxframe_size = 1, | |
1897 | .show_rport_supported_classes = 1, | |
1898 | ||
dea3101e JB |
1899 | .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo, |
1900 | .show_rport_dev_loss_tmo = 1, | |
1901 | ||
1902 | .get_starget_port_id = lpfc_get_starget_port_id, | |
1903 | .show_starget_port_id = 1, | |
1904 | ||
1905 | .get_starget_node_name = lpfc_get_starget_node_name, | |
1906 | .show_starget_node_name = 1, | |
1907 | ||
1908 | .get_starget_port_name = lpfc_get_starget_port_name, | |
1909 | .show_starget_port_name = 1, | |
91ca7b01 AV |
1910 | |
1911 | .issue_fc_host_lip = lpfc_issue_lip, | |
c01f3208 JS |
1912 | .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk, |
1913 | .terminate_rport_io = lpfc_terminate_rport_io, | |
dea3101e JB |
1914 | }; |
1915 | ||
1916 | void | |
1917 | lpfc_get_cfgparam(struct lpfc_hba *phba) | |
1918 | { | |
7bcbb752 JSEC |
1919 | lpfc_log_verbose_init(phba, lpfc_log_verbose); |
1920 | lpfc_cr_delay_init(phba, lpfc_cr_delay); | |
1921 | lpfc_cr_count_init(phba, lpfc_cr_count); | |
cf5bf97e | 1922 | lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support); |
a4bc3379 JS |
1923 | lpfc_multi_ring_rctl_init(phba, lpfc_multi_ring_rctl); |
1924 | lpfc_multi_ring_type_init(phba, lpfc_multi_ring_type); | |
7bcbb752 JSEC |
1925 | lpfc_lun_queue_depth_init(phba, lpfc_lun_queue_depth); |
1926 | lpfc_fcp_class_init(phba, lpfc_fcp_class); | |
1927 | lpfc_use_adisc_init(phba, lpfc_use_adisc); | |
1928 | lpfc_ack0_init(phba, lpfc_ack0); | |
1929 | lpfc_topology_init(phba, lpfc_topology); | |
1930 | lpfc_scan_down_init(phba, lpfc_scan_down); | |
7bcbb752 JSEC |
1931 | lpfc_link_speed_init(phba, lpfc_link_speed); |
1932 | lpfc_fdmi_on_init(phba, lpfc_fdmi_on); | |
1933 | lpfc_discovery_threads_init(phba, lpfc_discovery_threads); | |
1934 | lpfc_max_luns_init(phba, lpfc_max_luns); | |
875fbdfe | 1935 | lpfc_poll_tmo_init(phba, lpfc_poll_tmo); |
4ff43246 | 1936 | lpfc_use_msi_init(phba, lpfc_use_msi); |
c01f3208 JS |
1937 | lpfc_devloss_tmo_init(phba, lpfc_devloss_tmo); |
1938 | lpfc_nodev_tmo_init(phba, lpfc_nodev_tmo); | |
875fbdfe | 1939 | phba->cfg_poll = lpfc_poll; |
a12e07bc | 1940 | phba->cfg_soft_wwnn = 0L; |
c3f28afa | 1941 | phba->cfg_soft_wwpn = 0L; |
dea3101e JB |
1942 | |
1943 | /* | |
1944 | * The total number of segments is the configuration value plus 2 | |
1945 | * since the IOCB need a command and response bde. | |
1946 | */ | |
1947 | phba->cfg_sg_seg_cnt = LPFC_SG_SEG_CNT + 2; | |
1948 | ||
1949 | /* | |
1950 | * Since the sg_tablesize is module parameter, the sg_dma_buf_size | |
1951 | * used to create the sg_dma_buf_pool must be dynamically calculated | |
1952 | */ | |
1953 | phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) + | |
1954 | sizeof(struct fcp_rsp) + | |
1955 | (phba->cfg_sg_seg_cnt * sizeof(struct ulp_bde64)); | |
1956 | ||
b28485ac | 1957 | |
7054a606 | 1958 | lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth); |
b28485ac | 1959 | |
dea3101e JB |
1960 | return; |
1961 | } |