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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. * |
9413afff | 4 | * Copyright (C) 2004-2007 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); | |
2e0fef85 | 79 | |
dea3101e JB |
80 | return snprintf(buf, PAGE_SIZE, "%s\n",lpfc_info(host)); |
81 | } | |
82 | ||
83 | static ssize_t | |
84 | lpfc_serialnum_show(struct class_device *cdev, char *buf) | |
85 | { | |
2e0fef85 JS |
86 | struct Scsi_Host *shost = class_to_shost(cdev); |
87 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
88 | struct lpfc_hba *phba = vport->phba; | |
89 | ||
dea3101e JB |
90 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->SerialNumber); |
91 | } | |
92 | ||
93 | static ssize_t | |
94 | lpfc_modeldesc_show(struct class_device *cdev, char *buf) | |
95 | { | |
2e0fef85 JS |
96 | struct Scsi_Host *shost = class_to_shost(cdev); |
97 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
98 | struct lpfc_hba *phba = vport->phba; | |
99 | ||
dea3101e JB |
100 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelDesc); |
101 | } | |
102 | ||
103 | static ssize_t | |
104 | lpfc_modelname_show(struct class_device *cdev, char *buf) | |
105 | { | |
2e0fef85 JS |
106 | struct Scsi_Host *shost = class_to_shost(cdev); |
107 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
108 | struct lpfc_hba *phba = vport->phba; | |
109 | ||
dea3101e JB |
110 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelName); |
111 | } | |
112 | ||
113 | static ssize_t | |
114 | lpfc_programtype_show(struct class_device *cdev, char *buf) | |
115 | { | |
2e0fef85 JS |
116 | struct Scsi_Host *shost = class_to_shost(cdev); |
117 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
118 | struct lpfc_hba *phba = vport->phba; | |
119 | ||
dea3101e JB |
120 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->ProgramType); |
121 | } | |
122 | ||
123 | static ssize_t | |
2e0fef85 | 124 | lpfc_vportnum_show(struct class_device *cdev, char *buf) |
dea3101e | 125 | { |
2e0fef85 JS |
126 | struct Scsi_Host *shost = class_to_shost(cdev); |
127 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
128 | struct lpfc_hba *phba = vport->phba; | |
129 | ||
dea3101e JB |
130 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->Port); |
131 | } | |
132 | ||
133 | static ssize_t | |
134 | lpfc_fwrev_show(struct class_device *cdev, char *buf) | |
135 | { | |
2e0fef85 JS |
136 | struct Scsi_Host *shost = class_to_shost(cdev); |
137 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
138 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 139 | char fwrev[32]; |
2e0fef85 | 140 | |
dea3101e JB |
141 | lpfc_decode_firmware_rev(phba, fwrev, 1); |
142 | return snprintf(buf, PAGE_SIZE, "%s\n",fwrev); | |
143 | } | |
144 | ||
145 | static ssize_t | |
146 | lpfc_hdw_show(struct class_device *cdev, char *buf) | |
147 | { | |
148 | char hdw[9]; | |
2e0fef85 JS |
149 | struct Scsi_Host *shost = class_to_shost(cdev); |
150 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
151 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 152 | lpfc_vpd_t *vp = &phba->vpd; |
2e0fef85 | 153 | |
dea3101e JB |
154 | lpfc_jedec_to_ascii(vp->rev.biuRev, hdw); |
155 | return snprintf(buf, PAGE_SIZE, "%s\n", hdw); | |
156 | } | |
157 | static ssize_t | |
158 | lpfc_option_rom_version_show(struct class_device *cdev, char *buf) | |
159 | { | |
2e0fef85 JS |
160 | struct Scsi_Host *shost = class_to_shost(cdev); |
161 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
162 | struct lpfc_hba *phba = vport->phba; | |
163 | ||
dea3101e JB |
164 | return snprintf(buf, PAGE_SIZE, "%s\n", phba->OptionROMVersion); |
165 | } | |
166 | static ssize_t | |
167 | lpfc_state_show(struct class_device *cdev, char *buf) | |
168 | { | |
2e0fef85 JS |
169 | struct Scsi_Host *shost = class_to_shost(cdev); |
170 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
171 | struct lpfc_hba *phba = vport->phba; | |
172 | int len = 0; | |
173 | ||
174 | switch (phba->link_state) { | |
175 | case LPFC_LINK_UNKNOWN: | |
41415862 | 176 | case LPFC_WARM_START: |
dea3101e JB |
177 | case LPFC_INIT_START: |
178 | case LPFC_INIT_MBX_CMDS: | |
179 | case LPFC_LINK_DOWN: | |
2e0fef85 JS |
180 | case LPFC_HBA_ERROR: |
181 | len += snprintf(buf + len, PAGE_SIZE-len, "Link Down"); | |
dea3101e JB |
182 | break; |
183 | case LPFC_LINK_UP: | |
dea3101e | 184 | case LPFC_CLEAR_LA: |
2e0fef85 JS |
185 | len += snprintf(buf + len, PAGE_SIZE-len, "Link Up - \n"); |
186 | ||
187 | switch (vport->port_state) { | |
188 | len += snprintf(buf + len, PAGE_SIZE-len, | |
189 | "initializing\n"); | |
190 | break; | |
191 | case LPFC_LOCAL_CFG_LINK: | |
192 | len += snprintf(buf + len, PAGE_SIZE-len, | |
193 | "configuring\n"); | |
194 | break; | |
195 | case LPFC_FLOGI: | |
196 | case LPFC_FABRIC_CFG_LINK: | |
197 | case LPFC_NS_REG: | |
198 | case LPFC_NS_QRY: | |
199 | case LPFC_BUILD_DISC_LIST: | |
200 | case LPFC_DISC_AUTH: | |
201 | len += snprintf(buf + len, PAGE_SIZE - len, | |
202 | "Discovery\n"); | |
203 | break; | |
204 | case LPFC_VPORT_READY: | |
205 | len += snprintf(buf + len, PAGE_SIZE - len, "Ready\n"); | |
206 | break; | |
207 | ||
208 | case LPFC_STATE_UNKNOWN: | |
209 | len += snprintf(buf + len, PAGE_SIZE - len, | |
210 | "Unknown\n"); | |
211 | break; | |
212 | } | |
213 | ||
dea3101e | 214 | if (phba->fc_topology == TOPOLOGY_LOOP) { |
2e0fef85 | 215 | if (vport->fc_flag & FC_PUBLIC_LOOP) |
dea3101e JB |
216 | len += snprintf(buf + len, PAGE_SIZE-len, |
217 | " Public Loop\n"); | |
218 | else | |
219 | len += snprintf(buf + len, PAGE_SIZE-len, | |
220 | " Private Loop\n"); | |
221 | } else { | |
2e0fef85 | 222 | if (vport->fc_flag & FC_FABRIC) |
dea3101e JB |
223 | len += snprintf(buf + len, PAGE_SIZE-len, |
224 | " Fabric\n"); | |
225 | else | |
226 | len += snprintf(buf + len, PAGE_SIZE-len, | |
227 | " Point-2-Point\n"); | |
228 | } | |
229 | } | |
2e0fef85 | 230 | |
dea3101e JB |
231 | return len; |
232 | } | |
233 | ||
234 | static ssize_t | |
235 | lpfc_num_discovered_ports_show(struct class_device *cdev, char *buf) | |
236 | { | |
2e0fef85 JS |
237 | struct Scsi_Host *shost = class_to_shost(cdev); |
238 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
239 | ||
240 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
241 | vport->fc_map_cnt + vport->fc_unmap_cnt); | |
dea3101e JB |
242 | } |
243 | ||
244 | ||
91ca7b01 | 245 | static int |
2e0fef85 | 246 | lpfc_issue_lip(struct Scsi_Host *shost) |
dea3101e | 247 | { |
2e0fef85 JS |
248 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
249 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
250 | LPFC_MBOXQ_t *pmboxq; |
251 | int mbxstatus = MBXERR_ERROR; | |
252 | ||
2e0fef85 JS |
253 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
254 | (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) || | |
255 | (vport->port_state != LPFC_VPORT_READY)) | |
dea3101e JB |
256 | return -EPERM; |
257 | ||
258 | pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL); | |
259 | ||
260 | if (!pmboxq) | |
261 | return -ENOMEM; | |
262 | ||
263 | memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t)); | |
4db621e0 JS |
264 | pmboxq->mb.mbxCommand = MBX_DOWN_LINK; |
265 | pmboxq->mb.mbxOwner = OWN_HOST; | |
266 | ||
33ccf8d1 | 267 | mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO * 2); |
dea3101e | 268 | |
4db621e0 JS |
269 | if ((mbxstatus == MBX_SUCCESS) && (pmboxq->mb.mbxStatus == 0)) { |
270 | memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t)); | |
271 | lpfc_init_link(phba, pmboxq, phba->cfg_topology, | |
272 | phba->cfg_link_speed); | |
273 | mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, | |
274 | phba->fc_ratov * 2); | |
275 | } | |
276 | ||
5b8bd0c9 | 277 | lpfc_set_loopback_flag(phba); |
dea3101e JB |
278 | if (mbxstatus == MBX_TIMEOUT) |
279 | pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
280 | else | |
433c3579 | 281 | mempool_free(pmboxq, phba->mbox_mem_pool); |
dea3101e JB |
282 | |
283 | if (mbxstatus == MBXERR_ERROR) | |
284 | return -EIO; | |
285 | ||
91ca7b01 | 286 | return 0; |
dea3101e JB |
287 | } |
288 | ||
40496f07 | 289 | static int |
46fa311e | 290 | lpfc_do_offline(struct lpfc_hba *phba, uint32_t type) |
40496f07 JS |
291 | { |
292 | struct completion online_compl; | |
46fa311e JS |
293 | struct lpfc_sli_ring *pring; |
294 | struct lpfc_sli *psli; | |
40496f07 | 295 | int status = 0; |
46fa311e JS |
296 | int cnt = 0; |
297 | int i; | |
40496f07 JS |
298 | |
299 | init_completion(&online_compl); | |
300 | lpfc_workq_post_event(phba, &status, &online_compl, | |
46fa311e JS |
301 | LPFC_EVT_OFFLINE_PREP); |
302 | wait_for_completion(&online_compl); | |
303 | ||
304 | if (status != 0) | |
305 | return -EIO; | |
306 | ||
307 | psli = &phba->sli; | |
308 | ||
309 | for (i = 0; i < psli->num_rings; i++) { | |
310 | pring = &psli->ring[i]; | |
311 | /* The linkdown event takes 30 seconds to timeout. */ | |
312 | while (pring->txcmplq_cnt) { | |
313 | msleep(10); | |
314 | if (cnt++ > 3000) { | |
315 | lpfc_printf_log(phba, | |
316 | KERN_WARNING, LOG_INIT, | |
317 | "%d:0466 Outstanding IO when " | |
318 | "bringing Adapter offline\n", | |
319 | phba->brd_no); | |
320 | break; | |
321 | } | |
322 | } | |
323 | } | |
324 | ||
325 | init_completion(&online_compl); | |
326 | lpfc_workq_post_event(phba, &status, &online_compl, type); | |
40496f07 JS |
327 | wait_for_completion(&online_compl); |
328 | ||
329 | if (status != 0) | |
330 | return -EIO; | |
331 | ||
46fa311e JS |
332 | return 0; |
333 | } | |
334 | ||
335 | static int | |
336 | lpfc_selective_reset(struct lpfc_hba *phba) | |
337 | { | |
338 | struct completion online_compl; | |
339 | int status = 0; | |
340 | ||
341 | status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); | |
342 | ||
343 | if (status != 0) | |
344 | return status; | |
345 | ||
40496f07 JS |
346 | init_completion(&online_compl); |
347 | lpfc_workq_post_event(phba, &status, &online_compl, | |
348 | LPFC_EVT_ONLINE); | |
349 | wait_for_completion(&online_compl); | |
350 | ||
351 | if (status != 0) | |
352 | return -EIO; | |
353 | ||
354 | return 0; | |
355 | } | |
356 | ||
357 | static ssize_t | |
358 | lpfc_issue_reset(struct class_device *cdev, const char *buf, size_t count) | |
359 | { | |
2e0fef85 JS |
360 | struct Scsi_Host *shost = class_to_shost(cdev); |
361 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
362 | struct lpfc_hba *phba = vport->phba; | |
363 | ||
40496f07 JS |
364 | int status = -EINVAL; |
365 | ||
366 | if (strncmp(buf, "selective", sizeof("selective") - 1) == 0) | |
367 | status = lpfc_selective_reset(phba); | |
368 | ||
369 | if (status == 0) | |
370 | return strlen(buf); | |
371 | else | |
372 | return status; | |
373 | } | |
374 | ||
dea3101e JB |
375 | static ssize_t |
376 | lpfc_nport_evt_cnt_show(struct class_device *cdev, char *buf) | |
377 | { | |
2e0fef85 JS |
378 | struct Scsi_Host *shost = class_to_shost(cdev); |
379 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
380 | struct lpfc_hba *phba = vport->phba; | |
381 | ||
dea3101e JB |
382 | return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt); |
383 | } | |
384 | ||
41415862 JW |
385 | static ssize_t |
386 | lpfc_board_mode_show(struct class_device *cdev, char *buf) | |
387 | { | |
2e0fef85 JS |
388 | struct Scsi_Host *shost = class_to_shost(cdev); |
389 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
390 | struct lpfc_hba *phba = vport->phba; | |
41415862 JW |
391 | char * state; |
392 | ||
2e0fef85 | 393 | if (phba->link_state == LPFC_HBA_ERROR) |
41415862 | 394 | state = "error"; |
2e0fef85 | 395 | else if (phba->link_state == LPFC_WARM_START) |
41415862 | 396 | state = "warm start"; |
2e0fef85 | 397 | else if (phba->link_state == LPFC_INIT_START) |
41415862 JW |
398 | state = "offline"; |
399 | else | |
400 | state = "online"; | |
401 | ||
402 | return snprintf(buf, PAGE_SIZE, "%s\n", state); | |
403 | } | |
404 | ||
405 | static ssize_t | |
406 | lpfc_board_mode_store(struct class_device *cdev, const char *buf, size_t count) | |
407 | { | |
2e0fef85 JS |
408 | struct Scsi_Host *shost = class_to_shost(cdev); |
409 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
410 | struct lpfc_hba *phba = vport->phba; | |
41415862 JW |
411 | struct completion online_compl; |
412 | int status=0; | |
413 | ||
414 | init_completion(&online_compl); | |
415 | ||
46fa311e | 416 | if(strncmp(buf, "online", sizeof("online") - 1) == 0) { |
41415862 JW |
417 | lpfc_workq_post_event(phba, &status, &online_compl, |
418 | LPFC_EVT_ONLINE); | |
46fa311e JS |
419 | wait_for_completion(&online_compl); |
420 | } else if (strncmp(buf, "offline", sizeof("offline") - 1) == 0) | |
421 | status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); | |
41415862 | 422 | else if (strncmp(buf, "warm", sizeof("warm") - 1) == 0) |
46fa311e JS |
423 | status = lpfc_do_offline(phba, LPFC_EVT_WARM_START); |
424 | else if (strncmp(buf, "error", sizeof("error") - 1) == 0) | |
425 | status = lpfc_do_offline(phba, LPFC_EVT_KILL); | |
41415862 JW |
426 | else |
427 | return -EINVAL; | |
428 | ||
41415862 JW |
429 | if (!status) |
430 | return strlen(buf); | |
431 | else | |
432 | return -EIO; | |
433 | } | |
434 | ||
875fbdfe JSEC |
435 | static ssize_t |
436 | lpfc_poll_show(struct class_device *cdev, char *buf) | |
437 | { | |
2e0fef85 JS |
438 | struct Scsi_Host *shost = class_to_shost(cdev); |
439 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
440 | struct lpfc_hba *phba = vport->phba; | |
875fbdfe JSEC |
441 | |
442 | return snprintf(buf, PAGE_SIZE, "%#x\n", phba->cfg_poll); | |
443 | } | |
444 | ||
445 | static ssize_t | |
446 | lpfc_poll_store(struct class_device *cdev, const char *buf, | |
447 | size_t count) | |
448 | { | |
2e0fef85 JS |
449 | struct Scsi_Host *shost = class_to_shost(cdev); |
450 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
451 | struct lpfc_hba *phba = vport->phba; | |
875fbdfe JSEC |
452 | uint32_t creg_val; |
453 | uint32_t old_val; | |
454 | int val=0; | |
455 | ||
456 | if (!isdigit(buf[0])) | |
457 | return -EINVAL; | |
458 | ||
459 | if (sscanf(buf, "%i", &val) != 1) | |
460 | return -EINVAL; | |
461 | ||
462 | if ((val & 0x3) != val) | |
463 | return -EINVAL; | |
464 | ||
2e0fef85 | 465 | spin_lock_irq(&phba->hbalock); |
875fbdfe JSEC |
466 | |
467 | old_val = phba->cfg_poll; | |
468 | ||
469 | if (val & ENABLE_FCP_RING_POLLING) { | |
470 | if ((val & DISABLE_FCP_RING_INT) && | |
471 | !(old_val & DISABLE_FCP_RING_INT)) { | |
472 | creg_val = readl(phba->HCregaddr); | |
473 | creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING); | |
474 | writel(creg_val, phba->HCregaddr); | |
475 | readl(phba->HCregaddr); /* flush */ | |
476 | ||
477 | lpfc_poll_start_timer(phba); | |
478 | } | |
479 | } else if (val != 0x0) { | |
2e0fef85 | 480 | spin_unlock_irq(&phba->hbalock); |
875fbdfe JSEC |
481 | return -EINVAL; |
482 | } | |
483 | ||
484 | if (!(val & DISABLE_FCP_RING_INT) && | |
485 | (old_val & DISABLE_FCP_RING_INT)) | |
486 | { | |
2e0fef85 | 487 | spin_unlock_irq(&phba->hbalock); |
875fbdfe | 488 | del_timer(&phba->fcp_poll_timer); |
2e0fef85 | 489 | spin_lock_irq(&phba->hbalock); |
875fbdfe JSEC |
490 | creg_val = readl(phba->HCregaddr); |
491 | creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING); | |
492 | writel(creg_val, phba->HCregaddr); | |
493 | readl(phba->HCregaddr); /* flush */ | |
494 | } | |
495 | ||
496 | phba->cfg_poll = val; | |
497 | ||
2e0fef85 | 498 | spin_unlock_irq(&phba->hbalock); |
875fbdfe JSEC |
499 | |
500 | return strlen(buf); | |
501 | } | |
dea3101e JB |
502 | |
503 | #define lpfc_param_show(attr) \ | |
504 | static ssize_t \ | |
505 | lpfc_##attr##_show(struct class_device *cdev, char *buf) \ | |
506 | { \ | |
2e0fef85 JS |
507 | struct Scsi_Host *shost = class_to_shost(cdev);\ |
508 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ | |
509 | struct lpfc_hba *phba = vport->phba;\ | |
dea3101e | 510 | int val = 0;\ |
7bcbb752 JSEC |
511 | val = phba->cfg_##attr;\ |
512 | return snprintf(buf, PAGE_SIZE, "%d\n",\ | |
513 | phba->cfg_##attr);\ | |
514 | } | |
515 | ||
93a20f74 JSEC |
516 | #define lpfc_param_hex_show(attr) \ |
517 | static ssize_t \ | |
518 | lpfc_##attr##_show(struct class_device *cdev, char *buf) \ | |
519 | { \ | |
2e0fef85 JS |
520 | struct Scsi_Host *shost = class_to_shost(cdev);\ |
521 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ | |
522 | struct lpfc_hba *phba = vport->phba;\ | |
93a20f74 JSEC |
523 | int val = 0;\ |
524 | val = phba->cfg_##attr;\ | |
525 | return snprintf(buf, PAGE_SIZE, "%#x\n",\ | |
526 | phba->cfg_##attr);\ | |
527 | } | |
528 | ||
7bcbb752 JSEC |
529 | #define lpfc_param_init(attr, default, minval, maxval) \ |
530 | static int \ | |
531 | lpfc_##attr##_init(struct lpfc_hba *phba, int val) \ | |
532 | { \ | |
533 | if (val >= minval && val <= maxval) {\ | |
534 | phba->cfg_##attr = val;\ | |
535 | return 0;\ | |
dea3101e | 536 | }\ |
7bcbb752 JSEC |
537 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \ |
538 | "%d:0449 lpfc_"#attr" attribute cannot be set to %d, "\ | |
539 | "allowed range is ["#minval", "#maxval"]\n", \ | |
540 | phba->brd_no, val); \ | |
541 | phba->cfg_##attr = default;\ | |
542 | return -EINVAL;\ | |
dea3101e JB |
543 | } |
544 | ||
7bcbb752 JSEC |
545 | #define lpfc_param_set(attr, default, minval, maxval) \ |
546 | static int \ | |
547 | lpfc_##attr##_set(struct lpfc_hba *phba, int val) \ | |
548 | { \ | |
549 | if (val >= minval && val <= maxval) {\ | |
550 | phba->cfg_##attr = val;\ | |
551 | return 0;\ | |
552 | }\ | |
553 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \ | |
554 | "%d:0450 lpfc_"#attr" attribute cannot be set to %d, "\ | |
555 | "allowed range is ["#minval", "#maxval"]\n", \ | |
556 | phba->brd_no, val); \ | |
557 | return -EINVAL;\ | |
558 | } | |
559 | ||
560 | #define lpfc_param_store(attr) \ | |
dea3101e JB |
561 | static ssize_t \ |
562 | lpfc_##attr##_store(struct class_device *cdev, const char *buf, size_t count) \ | |
563 | { \ | |
2e0fef85 JS |
564 | struct Scsi_Host *shost = class_to_shost(cdev);\ |
565 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ | |
566 | struct lpfc_hba *phba = vport->phba;\ | |
7bcbb752 | 567 | int val=0;\ |
93a20f74 JSEC |
568 | if (!isdigit(buf[0]))\ |
569 | return -EINVAL;\ | |
570 | if (sscanf(buf, "%i", &val) != 1)\ | |
571 | return -EINVAL;\ | |
7bcbb752 | 572 | if (lpfc_##attr##_set(phba, val) == 0) \ |
755c0d06 | 573 | return strlen(buf);\ |
7bcbb752 JSEC |
574 | else \ |
575 | return -EINVAL;\ | |
dea3101e JB |
576 | } |
577 | ||
7bcbb752 JSEC |
578 | #define LPFC_ATTR(name, defval, minval, maxval, desc) \ |
579 | static int lpfc_##name = defval;\ | |
dea3101e JB |
580 | module_param(lpfc_##name, int, 0);\ |
581 | MODULE_PARM_DESC(lpfc_##name, desc);\ | |
7bcbb752 | 582 | lpfc_param_init(name, defval, minval, maxval) |
dea3101e JB |
583 | |
584 | #define LPFC_ATTR_R(name, defval, minval, maxval, desc) \ | |
585 | static int lpfc_##name = defval;\ | |
586 | module_param(lpfc_##name, int, 0);\ | |
587 | MODULE_PARM_DESC(lpfc_##name, desc);\ | |
588 | lpfc_param_show(name)\ | |
7bcbb752 | 589 | lpfc_param_init(name, defval, minval, maxval)\ |
dea3101e JB |
590 | static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
591 | ||
592 | #define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \ | |
593 | static int lpfc_##name = defval;\ | |
594 | module_param(lpfc_##name, int, 0);\ | |
595 | MODULE_PARM_DESC(lpfc_##name, desc);\ | |
596 | lpfc_param_show(name)\ | |
7bcbb752 JSEC |
597 | lpfc_param_init(name, defval, minval, maxval)\ |
598 | lpfc_param_set(name, defval, minval, maxval)\ | |
599 | lpfc_param_store(name)\ | |
dea3101e JB |
600 | static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
601 | lpfc_##name##_show, lpfc_##name##_store) | |
602 | ||
93a20f74 JSEC |
603 | #define LPFC_ATTR_HEX_R(name, defval, minval, maxval, desc) \ |
604 | static int lpfc_##name = defval;\ | |
605 | module_param(lpfc_##name, int, 0);\ | |
606 | MODULE_PARM_DESC(lpfc_##name, desc);\ | |
607 | lpfc_param_hex_show(name)\ | |
608 | lpfc_param_init(name, defval, minval, maxval)\ | |
609 | static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) | |
610 | ||
611 | #define LPFC_ATTR_HEX_RW(name, defval, minval, maxval, desc) \ | |
612 | static int lpfc_##name = defval;\ | |
613 | module_param(lpfc_##name, int, 0);\ | |
614 | MODULE_PARM_DESC(lpfc_##name, desc);\ | |
615 | lpfc_param_hex_show(name)\ | |
616 | lpfc_param_init(name, defval, minval, maxval)\ | |
617 | lpfc_param_set(name, defval, minval, maxval)\ | |
618 | lpfc_param_store(name)\ | |
619 | static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ | |
620 | lpfc_##name##_show, lpfc_##name##_store) | |
621 | ||
dea3101e JB |
622 | static CLASS_DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL); |
623 | static CLASS_DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL); | |
624 | static CLASS_DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL); | |
625 | static CLASS_DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL); | |
626 | static CLASS_DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL); | |
2e0fef85 | 627 | static CLASS_DEVICE_ATTR(portnum, S_IRUGO, lpfc_vportnum_show, NULL); |
dea3101e JB |
628 | static CLASS_DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL); |
629 | static CLASS_DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL); | |
630 | static CLASS_DEVICE_ATTR(state, S_IRUGO, lpfc_state_show, NULL); | |
631 | static CLASS_DEVICE_ATTR(option_rom_version, S_IRUGO, | |
632 | lpfc_option_rom_version_show, NULL); | |
633 | static CLASS_DEVICE_ATTR(num_discovered_ports, S_IRUGO, | |
634 | lpfc_num_discovered_ports_show, NULL); | |
635 | static CLASS_DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL); | |
636 | static CLASS_DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show, | |
637 | NULL); | |
638 | static CLASS_DEVICE_ATTR(management_version, S_IRUGO, management_version_show, | |
639 | NULL); | |
41415862 JW |
640 | static CLASS_DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR, |
641 | lpfc_board_mode_show, lpfc_board_mode_store); | |
40496f07 | 642 | static CLASS_DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset); |
dea3101e | 643 | |
c3f28afa | 644 | |
a12e07bc | 645 | static char *lpfc_soft_wwn_key = "C99G71SL8032A"; |
c3f28afa JS |
646 | |
647 | static ssize_t | |
a12e07bc | 648 | lpfc_soft_wwn_enable_store(struct class_device *cdev, const char *buf, |
c3f28afa JS |
649 | size_t count) |
650 | { | |
2e0fef85 JS |
651 | struct Scsi_Host *shost = class_to_shost(cdev); |
652 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
653 | struct lpfc_hba *phba = vport->phba; | |
c3f28afa JS |
654 | unsigned int cnt = count; |
655 | ||
656 | /* | |
657 | * We're doing a simple sanity check for soft_wwpn setting. | |
658 | * We require that the user write a specific key to enable | |
659 | * the soft_wwpn attribute to be settable. Once the attribute | |
660 | * is written, the enable key resets. If further updates are | |
661 | * desired, the key must be written again to re-enable the | |
662 | * attribute. | |
663 | * | |
664 | * The "key" is not secret - it is a hardcoded string shown | |
665 | * here. The intent is to protect against the random user or | |
666 | * application that is just writing attributes. | |
667 | */ | |
668 | ||
669 | /* count may include a LF at end of string */ | |
670 | if (buf[cnt-1] == '\n') | |
671 | cnt--; | |
672 | ||
a12e07bc JS |
673 | if ((cnt != strlen(lpfc_soft_wwn_key)) || |
674 | (strncmp(buf, lpfc_soft_wwn_key, strlen(lpfc_soft_wwn_key)) != 0)) | |
c3f28afa JS |
675 | return -EINVAL; |
676 | ||
a12e07bc | 677 | phba->soft_wwn_enable = 1; |
c3f28afa JS |
678 | return count; |
679 | } | |
a12e07bc JS |
680 | static CLASS_DEVICE_ATTR(lpfc_soft_wwn_enable, S_IWUSR, NULL, |
681 | lpfc_soft_wwn_enable_store); | |
c3f28afa JS |
682 | |
683 | static ssize_t | |
684 | lpfc_soft_wwpn_show(struct class_device *cdev, char *buf) | |
685 | { | |
2e0fef85 JS |
686 | struct Scsi_Host *shost = class_to_shost(cdev); |
687 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
688 | struct lpfc_hba *phba = vport->phba; | |
689 | ||
afc071e6 RD |
690 | return snprintf(buf, PAGE_SIZE, "0x%llx\n", |
691 | (unsigned long long)phba->cfg_soft_wwpn); | |
c3f28afa JS |
692 | } |
693 | ||
694 | ||
695 | static ssize_t | |
696 | lpfc_soft_wwpn_store(struct class_device *cdev, const char *buf, size_t count) | |
697 | { | |
2e0fef85 JS |
698 | struct Scsi_Host *shost = class_to_shost(cdev); |
699 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
700 | struct lpfc_hba *phba = vport->phba; | |
c3f28afa JS |
701 | struct completion online_compl; |
702 | int stat1=0, stat2=0; | |
703 | unsigned int i, j, cnt=count; | |
704 | u8 wwpn[8]; | |
705 | ||
706 | /* count may include a LF at end of string */ | |
707 | if (buf[cnt-1] == '\n') | |
708 | cnt--; | |
709 | ||
a12e07bc | 710 | if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) || |
c3f28afa JS |
711 | ((cnt == 17) && (*buf++ != 'x')) || |
712 | ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x')))) | |
713 | return -EINVAL; | |
714 | ||
a12e07bc | 715 | phba->soft_wwn_enable = 0; |
c3f28afa JS |
716 | |
717 | memset(wwpn, 0, sizeof(wwpn)); | |
718 | ||
719 | /* Validate and store the new name */ | |
720 | for (i=0, j=0; i < 16; i++) { | |
721 | if ((*buf >= 'a') && (*buf <= 'f')) | |
722 | j = ((j << 4) | ((*buf++ -'a') + 10)); | |
723 | else if ((*buf >= 'A') && (*buf <= 'F')) | |
724 | j = ((j << 4) | ((*buf++ -'A') + 10)); | |
725 | else if ((*buf >= '0') && (*buf <= '9')) | |
726 | j = ((j << 4) | (*buf++ -'0')); | |
727 | else | |
728 | return -EINVAL; | |
729 | if (i % 2) { | |
730 | wwpn[i/2] = j & 0xff; | |
731 | j = 0; | |
732 | } | |
733 | } | |
734 | phba->cfg_soft_wwpn = wwn_to_u64(wwpn); | |
2e0fef85 | 735 | fc_host_port_name(shost) = phba->cfg_soft_wwpn; |
a12e07bc | 736 | if (phba->cfg_soft_wwnn) |
2e0fef85 | 737 | fc_host_node_name(shost) = phba->cfg_soft_wwnn; |
c3f28afa JS |
738 | |
739 | dev_printk(KERN_NOTICE, &phba->pcidev->dev, | |
740 | "lpfc%d: Reinitializing to use soft_wwpn\n", phba->brd_no); | |
741 | ||
46fa311e | 742 | stat1 = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); |
c3f28afa JS |
743 | if (stat1) |
744 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
745 | "%d:0463 lpfc_soft_wwpn attribute set failed to reinit " | |
746 | "adapter - %d\n", phba->brd_no, stat1); | |
747 | ||
748 | init_completion(&online_compl); | |
749 | lpfc_workq_post_event(phba, &stat2, &online_compl, LPFC_EVT_ONLINE); | |
750 | wait_for_completion(&online_compl); | |
751 | if (stat2) | |
752 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
753 | "%d:0464 lpfc_soft_wwpn attribute set failed to reinit " | |
754 | "adapter - %d\n", phba->brd_no, stat2); | |
755 | ||
756 | return (stat1 || stat2) ? -EIO : count; | |
757 | } | |
758 | static CLASS_DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR,\ | |
759 | lpfc_soft_wwpn_show, lpfc_soft_wwpn_store); | |
760 | ||
a12e07bc JS |
761 | static ssize_t |
762 | lpfc_soft_wwnn_show(struct class_device *cdev, char *buf) | |
763 | { | |
764 | struct Scsi_Host *host = class_to_shost(cdev); | |
765 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; | |
766 | return snprintf(buf, PAGE_SIZE, "0x%llx\n", | |
767 | (unsigned long long)phba->cfg_soft_wwnn); | |
768 | } | |
769 | ||
770 | ||
771 | static ssize_t | |
772 | lpfc_soft_wwnn_store(struct class_device *cdev, const char *buf, size_t count) | |
773 | { | |
774 | struct Scsi_Host *host = class_to_shost(cdev); | |
775 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; | |
776 | unsigned int i, j, cnt=count; | |
777 | u8 wwnn[8]; | |
778 | ||
779 | /* count may include a LF at end of string */ | |
780 | if (buf[cnt-1] == '\n') | |
781 | cnt--; | |
782 | ||
783 | if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) || | |
784 | ((cnt == 17) && (*buf++ != 'x')) || | |
785 | ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x')))) | |
786 | return -EINVAL; | |
787 | ||
788 | /* | |
789 | * Allow wwnn to be set many times, as long as the enable is set. | |
790 | * However, once the wwpn is set, everything locks. | |
791 | */ | |
792 | ||
793 | memset(wwnn, 0, sizeof(wwnn)); | |
794 | ||
795 | /* Validate and store the new name */ | |
796 | for (i=0, j=0; i < 16; i++) { | |
797 | if ((*buf >= 'a') && (*buf <= 'f')) | |
798 | j = ((j << 4) | ((*buf++ -'a') + 10)); | |
799 | else if ((*buf >= 'A') && (*buf <= 'F')) | |
800 | j = ((j << 4) | ((*buf++ -'A') + 10)); | |
801 | else if ((*buf >= '0') && (*buf <= '9')) | |
802 | j = ((j << 4) | (*buf++ -'0')); | |
803 | else | |
804 | return -EINVAL; | |
805 | if (i % 2) { | |
806 | wwnn[i/2] = j & 0xff; | |
807 | j = 0; | |
808 | } | |
809 | } | |
810 | phba->cfg_soft_wwnn = wwn_to_u64(wwnn); | |
811 | ||
812 | dev_printk(KERN_NOTICE, &phba->pcidev->dev, | |
813 | "lpfc%d: soft_wwnn set. Value will take effect upon " | |
814 | "setting of the soft_wwpn\n", phba->brd_no); | |
815 | ||
816 | return count; | |
817 | } | |
818 | static CLASS_DEVICE_ATTR(lpfc_soft_wwnn, S_IRUGO | S_IWUSR,\ | |
819 | lpfc_soft_wwnn_show, lpfc_soft_wwnn_store); | |
820 | ||
c3f28afa | 821 | |
875fbdfe JSEC |
822 | static int lpfc_poll = 0; |
823 | module_param(lpfc_poll, int, 0); | |
824 | MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:" | |
825 | " 0 - none," | |
826 | " 1 - poll with interrupts enabled" | |
827 | " 3 - poll and disable FCP ring interrupts"); | |
828 | ||
829 | static CLASS_DEVICE_ATTR(lpfc_poll, S_IRUGO | S_IWUSR, | |
830 | lpfc_poll_show, lpfc_poll_store); | |
dea3101e | 831 | |
c01f3208 JS |
832 | /* |
833 | # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear | |
834 | # until the timer expires. Value range is [0,255]. Default value is 30. | |
835 | */ | |
836 | static int lpfc_nodev_tmo = LPFC_DEF_DEVLOSS_TMO; | |
837 | static int lpfc_devloss_tmo = LPFC_DEF_DEVLOSS_TMO; | |
838 | module_param(lpfc_nodev_tmo, int, 0); | |
839 | MODULE_PARM_DESC(lpfc_nodev_tmo, | |
840 | "Seconds driver will hold I/O waiting " | |
841 | "for a device to come back"); | |
842 | static ssize_t | |
843 | lpfc_nodev_tmo_show(struct class_device *cdev, char *buf) | |
844 | { | |
2e0fef85 JS |
845 | struct Scsi_Host *shost = class_to_shost(cdev); |
846 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
847 | struct lpfc_hba *phba = vport->phba; | |
c01f3208 JS |
848 | int val = 0; |
849 | val = phba->cfg_devloss_tmo; | |
850 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
851 | phba->cfg_devloss_tmo); | |
852 | } | |
853 | ||
854 | static int | |
855 | lpfc_nodev_tmo_init(struct lpfc_hba *phba, int val) | |
856 | { | |
857 | static int warned; | |
858 | if (phba->cfg_devloss_tmo != LPFC_DEF_DEVLOSS_TMO) { | |
859 | phba->cfg_nodev_tmo = phba->cfg_devloss_tmo; | |
860 | if (!warned && val != LPFC_DEF_DEVLOSS_TMO) { | |
861 | warned = 1; | |
862 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
863 | "%d:0402 Ignoring nodev_tmo module " | |
864 | "parameter because devloss_tmo is" | |
865 | " set.\n", | |
866 | phba->brd_no); | |
867 | } | |
868 | return 0; | |
869 | } | |
870 | ||
871 | if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { | |
872 | phba->cfg_nodev_tmo = val; | |
873 | phba->cfg_devloss_tmo = val; | |
874 | return 0; | |
875 | } | |
876 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
877 | "%d:0400 lpfc_nodev_tmo attribute cannot be set to %d, " | |
878 | "allowed range is [%d, %d]\n", | |
879 | phba->brd_no, val, | |
880 | LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO); | |
881 | phba->cfg_nodev_tmo = LPFC_DEF_DEVLOSS_TMO; | |
882 | return -EINVAL; | |
883 | } | |
884 | ||
885 | static int | |
886 | lpfc_nodev_tmo_set(struct lpfc_hba *phba, int val) | |
887 | { | |
888 | if (phba->dev_loss_tmo_changed || | |
889 | (lpfc_devloss_tmo != LPFC_DEF_DEVLOSS_TMO)) { | |
890 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
891 | "%d:0401 Ignoring change to nodev_tmo " | |
892 | "because devloss_tmo is set.\n", | |
893 | phba->brd_no); | |
894 | return 0; | |
895 | } | |
896 | ||
897 | if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { | |
898 | phba->cfg_nodev_tmo = val; | |
899 | phba->cfg_devloss_tmo = val; | |
900 | return 0; | |
901 | } | |
902 | ||
903 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
904 | "%d:0403 lpfc_nodev_tmo attribute cannot be set to %d, " | |
905 | "allowed range is [%d, %d]\n", | |
906 | phba->brd_no, val, LPFC_MIN_DEVLOSS_TMO, | |
907 | LPFC_MAX_DEVLOSS_TMO); | |
908 | return -EINVAL; | |
909 | } | |
910 | ||
911 | lpfc_param_store(nodev_tmo) | |
912 | ||
913 | static CLASS_DEVICE_ATTR(lpfc_nodev_tmo, S_IRUGO | S_IWUSR, | |
914 | lpfc_nodev_tmo_show, lpfc_nodev_tmo_store); | |
915 | ||
916 | /* | |
917 | # lpfc_devloss_tmo: If set, it will hold all I/O errors on devices that | |
918 | # disappear until the timer expires. Value range is [0,255]. Default | |
919 | # value is 30. | |
920 | */ | |
921 | module_param(lpfc_devloss_tmo, int, 0); | |
922 | MODULE_PARM_DESC(lpfc_devloss_tmo, | |
923 | "Seconds driver will hold I/O waiting " | |
924 | "for a device to come back"); | |
925 | lpfc_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO, | |
926 | LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO) | |
927 | lpfc_param_show(devloss_tmo) | |
928 | static int | |
929 | lpfc_devloss_tmo_set(struct lpfc_hba *phba, int val) | |
930 | { | |
931 | if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { | |
932 | phba->cfg_nodev_tmo = val; | |
933 | phba->cfg_devloss_tmo = val; | |
934 | phba->dev_loss_tmo_changed = 1; | |
935 | return 0; | |
936 | } | |
937 | ||
938 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
939 | "%d:0404 lpfc_devloss_tmo attribute cannot be set to" | |
940 | " %d, allowed range is [%d, %d]\n", | |
941 | phba->brd_no, val, LPFC_MIN_DEVLOSS_TMO, | |
942 | LPFC_MAX_DEVLOSS_TMO); | |
943 | return -EINVAL; | |
944 | } | |
945 | ||
946 | lpfc_param_store(devloss_tmo) | |
947 | static CLASS_DEVICE_ATTR(lpfc_devloss_tmo, S_IRUGO | S_IWUSR, | |
948 | lpfc_devloss_tmo_show, lpfc_devloss_tmo_store); | |
949 | ||
dea3101e JB |
950 | /* |
951 | # lpfc_log_verbose: Only turn this flag on if you are willing to risk being | |
952 | # deluged with LOTS of information. | |
953 | # You can set a bit mask to record specific types of verbose messages: | |
954 | # | |
955 | # LOG_ELS 0x1 ELS events | |
956 | # LOG_DISCOVERY 0x2 Link discovery events | |
957 | # LOG_MBOX 0x4 Mailbox events | |
958 | # LOG_INIT 0x8 Initialization events | |
959 | # LOG_LINK_EVENT 0x10 Link events | |
dea3101e JB |
960 | # LOG_FCP 0x40 FCP traffic history |
961 | # LOG_NODE 0x80 Node table events | |
962 | # LOG_MISC 0x400 Miscellaneous events | |
963 | # LOG_SLI 0x800 SLI events | |
c7743956 | 964 | # LOG_FCP_ERROR 0x1000 Only log FCP errors |
dea3101e JB |
965 | # LOG_LIBDFC 0x2000 LIBDFC events |
966 | # LOG_ALL_MSG 0xffff LOG all messages | |
967 | */ | |
93a20f74 | 968 | LPFC_ATTR_HEX_RW(log_verbose, 0x0, 0x0, 0xffff, "Verbose logging bit-mask"); |
dea3101e JB |
969 | |
970 | /* | |
971 | # lun_queue_depth: This parameter is used to limit the number of outstanding | |
972 | # commands per FCP LUN. Value range is [1,128]. Default value is 30. | |
973 | */ | |
974 | LPFC_ATTR_R(lun_queue_depth, 30, 1, 128, | |
975 | "Max number of FCP commands we can queue to a specific LUN"); | |
976 | ||
b28485ac JW |
977 | /* |
978 | # hba_queue_depth: This parameter is used to limit the number of outstanding | |
979 | # commands per lpfc HBA. Value range is [32,8192]. If this parameter | |
980 | # value is greater than the maximum number of exchanges supported by the HBA, | |
981 | # then maximum number of exchanges supported by the HBA is used to determine | |
982 | # the hba_queue_depth. | |
983 | */ | |
984 | LPFC_ATTR_R(hba_queue_depth, 8192, 32, 8192, | |
985 | "Max number of FCP commands we can queue to a lpfc HBA"); | |
986 | ||
dea3101e JB |
987 | /* |
988 | # Some disk devices have a "select ID" or "select Target" capability. | |
989 | # From a protocol standpoint "select ID" usually means select the | |
990 | # Fibre channel "ALPA". In the FC-AL Profile there is an "informative | |
991 | # annex" which contains a table that maps a "select ID" (a number | |
992 | # between 0 and 7F) to an ALPA. By default, for compatibility with | |
993 | # older drivers, the lpfc driver scans this table from low ALPA to high | |
994 | # ALPA. | |
995 | # | |
996 | # Turning on the scan-down variable (on = 1, off = 0) will | |
997 | # cause the lpfc driver to use an inverted table, effectively | |
998 | # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1. | |
999 | # | |
1000 | # (Note: This "select ID" functionality is a LOOP ONLY characteristic | |
1001 | # and will not work across a fabric. Also this parameter will take | |
1002 | # effect only in the case when ALPA map is not available.) | |
1003 | */ | |
1004 | LPFC_ATTR_R(scan_down, 1, 0, 1, | |
1005 | "Start scanning for devices from highest ALPA to lowest"); | |
1006 | ||
dea3101e JB |
1007 | /* |
1008 | # lpfc_topology: link topology for init link | |
1009 | # 0x0 = attempt loop mode then point-to-point | |
367c2713 | 1010 | # 0x01 = internal loopback mode |
dea3101e JB |
1011 | # 0x02 = attempt point-to-point mode only |
1012 | # 0x04 = attempt loop mode only | |
1013 | # 0x06 = attempt point-to-point mode then loop | |
1014 | # Set point-to-point mode if you want to run as an N_Port. | |
1015 | # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6]. | |
1016 | # Default value is 0. | |
1017 | */ | |
367c2713 | 1018 | LPFC_ATTR_RW(topology, 0, 0, 6, "Select Fibre Channel topology"); |
dea3101e JB |
1019 | |
1020 | /* | |
1021 | # lpfc_link_speed: Link speed selection for initializing the Fibre Channel | |
1022 | # connection. | |
1023 | # 0 = auto select (default) | |
1024 | # 1 = 1 Gigabaud | |
1025 | # 2 = 2 Gigabaud | |
1026 | # 4 = 4 Gigabaud | |
b87eab38 JS |
1027 | # 8 = 8 Gigabaud |
1028 | # Value range is [0,8]. Default value is 0. | |
dea3101e | 1029 | */ |
b87eab38 | 1030 | LPFC_ATTR_R(link_speed, 0, 0, 8, "Select link speed"); |
dea3101e JB |
1031 | |
1032 | /* | |
1033 | # lpfc_fcp_class: Determines FC class to use for the FCP protocol. | |
1034 | # Value range is [2,3]. Default value is 3. | |
1035 | */ | |
1036 | LPFC_ATTR_R(fcp_class, 3, 2, 3, | |
1037 | "Select Fibre Channel class of service for FCP sequences"); | |
1038 | ||
1039 | /* | |
1040 | # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range | |
1041 | # is [0,1]. Default value is 0. | |
1042 | */ | |
1043 | LPFC_ATTR_RW(use_adisc, 0, 0, 1, | |
1044 | "Use ADISC on rediscovery to authenticate FCP devices"); | |
1045 | ||
1046 | /* | |
1047 | # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value | |
1048 | # range is [0,1]. Default value is 0. | |
1049 | */ | |
1050 | LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support"); | |
1051 | ||
1052 | /* | |
1053 | # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing | |
1054 | # cr_delay (msec) or cr_count outstanding commands. cr_delay can take | |
7054a606 | 1055 | # value [0,63]. cr_count can take value [1,255]. Default value of cr_delay |
dea3101e JB |
1056 | # is 0. Default value of cr_count is 1. The cr_count feature is disabled if |
1057 | # cr_delay is set to 0. | |
1058 | */ | |
8189fd19 | 1059 | LPFC_ATTR_RW(cr_delay, 0, 0, 63, "A count of milliseconds after which an " |
dea3101e JB |
1060 | "interrupt response is generated"); |
1061 | ||
8189fd19 | 1062 | LPFC_ATTR_RW(cr_count, 1, 1, 255, "A count of I/O completions after which an " |
dea3101e JB |
1063 | "interrupt response is generated"); |
1064 | ||
cf5bf97e JW |
1065 | /* |
1066 | # lpfc_multi_ring_support: Determines how many rings to spread available | |
1067 | # cmd/rsp IOCB entries across. | |
1068 | # Value range is [1,2]. Default value is 1. | |
1069 | */ | |
1070 | LPFC_ATTR_R(multi_ring_support, 1, 1, 2, "Determines number of primary " | |
1071 | "SLI rings to spread IOCB entries across"); | |
1072 | ||
a4bc3379 JS |
1073 | /* |
1074 | # lpfc_multi_ring_rctl: If lpfc_multi_ring_support is enabled, this | |
1075 | # identifies what rctl value to configure the additional ring for. | |
1076 | # Value range is [1,0xff]. Default value is 4 (Unsolicated Data). | |
1077 | */ | |
1078 | LPFC_ATTR_R(multi_ring_rctl, FC_UNSOL_DATA, 1, | |
1079 | 255, "Identifies RCTL for additional ring configuration"); | |
1080 | ||
1081 | /* | |
1082 | # lpfc_multi_ring_type: If lpfc_multi_ring_support is enabled, this | |
1083 | # identifies what type value to configure the additional ring for. | |
1084 | # Value range is [1,0xff]. Default value is 5 (LLC/SNAP). | |
1085 | */ | |
1086 | LPFC_ATTR_R(multi_ring_type, FC_LLC_SNAP, 1, | |
1087 | 255, "Identifies TYPE for additional ring configuration"); | |
1088 | ||
dea3101e JB |
1089 | /* |
1090 | # lpfc_fdmi_on: controls FDMI support. | |
1091 | # 0 = no FDMI support | |
1092 | # 1 = support FDMI without attribute of hostname | |
1093 | # 2 = support FDMI with attribute of hostname | |
1094 | # Value range [0,2]. Default value is 0. | |
1095 | */ | |
1096 | LPFC_ATTR_RW(fdmi_on, 0, 0, 2, "Enable FDMI support"); | |
1097 | ||
1098 | /* | |
1099 | # Specifies the maximum number of ELS cmds we can have outstanding (for | |
1100 | # discovery). Value range is [1,64]. Default value = 32. | |
1101 | */ | |
8189fd19 | 1102 | LPFC_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands " |
dea3101e JB |
1103 | "during discovery"); |
1104 | ||
1105 | /* | |
65a29c16 JS |
1106 | # lpfc_max_luns: maximum allowed LUN. |
1107 | # Value range is [0,65535]. Default value is 255. | |
1108 | # NOTE: The SCSI layer might probe all allowed LUN on some old targets. | |
dea3101e | 1109 | */ |
65a29c16 JS |
1110 | LPFC_ATTR_R(max_luns, 255, 0, 65535, |
1111 | "Maximum allowed LUN"); | |
dea3101e | 1112 | |
875fbdfe JSEC |
1113 | /* |
1114 | # lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring. | |
1115 | # Value range is [1,255], default value is 10. | |
1116 | */ | |
1117 | LPFC_ATTR_RW(poll_tmo, 10, 1, 255, | |
1118 | "Milliseconds driver will wait between polling FCP ring"); | |
1119 | ||
4ff43246 JS |
1120 | /* |
1121 | # lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that | |
1122 | # support this feature | |
1123 | # 0 = MSI disabled (default) | |
1124 | # 1 = MSI enabled | |
1125 | # Value range is [0,1]. Default value is 0. | |
1126 | */ | |
1127 | LPFC_ATTR_R(use_msi, 0, 0, 1, "Use Message Signaled Interrupts, if possible"); | |
1128 | ||
c3f28afa | 1129 | |
2e0fef85 | 1130 | struct class_device_attribute *lpfc_hba_attrs[] = { |
dea3101e JB |
1131 | &class_device_attr_info, |
1132 | &class_device_attr_serialnum, | |
1133 | &class_device_attr_modeldesc, | |
1134 | &class_device_attr_modelname, | |
1135 | &class_device_attr_programtype, | |
1136 | &class_device_attr_portnum, | |
1137 | &class_device_attr_fwrev, | |
1138 | &class_device_attr_hdw, | |
1139 | &class_device_attr_option_rom_version, | |
1140 | &class_device_attr_state, | |
1141 | &class_device_attr_num_discovered_ports, | |
1142 | &class_device_attr_lpfc_drvr_version, | |
1143 | &class_device_attr_lpfc_log_verbose, | |
1144 | &class_device_attr_lpfc_lun_queue_depth, | |
b28485ac | 1145 | &class_device_attr_lpfc_hba_queue_depth, |
dea3101e | 1146 | &class_device_attr_lpfc_nodev_tmo, |
c01f3208 | 1147 | &class_device_attr_lpfc_devloss_tmo, |
dea3101e JB |
1148 | &class_device_attr_lpfc_fcp_class, |
1149 | &class_device_attr_lpfc_use_adisc, | |
1150 | &class_device_attr_lpfc_ack0, | |
1151 | &class_device_attr_lpfc_topology, | |
1152 | &class_device_attr_lpfc_scan_down, | |
1153 | &class_device_attr_lpfc_link_speed, | |
875fbdfe JSEC |
1154 | &class_device_attr_lpfc_cr_delay, |
1155 | &class_device_attr_lpfc_cr_count, | |
cf5bf97e | 1156 | &class_device_attr_lpfc_multi_ring_support, |
a4bc3379 JS |
1157 | &class_device_attr_lpfc_multi_ring_rctl, |
1158 | &class_device_attr_lpfc_multi_ring_type, | |
dea3101e JB |
1159 | &class_device_attr_lpfc_fdmi_on, |
1160 | &class_device_attr_lpfc_max_luns, | |
1161 | &class_device_attr_nport_evt_cnt, | |
1162 | &class_device_attr_management_version, | |
41415862 | 1163 | &class_device_attr_board_mode, |
40496f07 | 1164 | &class_device_attr_issue_reset, |
875fbdfe JSEC |
1165 | &class_device_attr_lpfc_poll, |
1166 | &class_device_attr_lpfc_poll_tmo, | |
4ff43246 | 1167 | &class_device_attr_lpfc_use_msi, |
a12e07bc | 1168 | &class_device_attr_lpfc_soft_wwnn, |
c3f28afa | 1169 | &class_device_attr_lpfc_soft_wwpn, |
a12e07bc | 1170 | &class_device_attr_lpfc_soft_wwn_enable, |
dea3101e JB |
1171 | NULL, |
1172 | }; | |
1173 | ||
1174 | static ssize_t | |
1175 | sysfs_ctlreg_write(struct kobject *kobj, char *buf, loff_t off, size_t count) | |
1176 | { | |
1177 | size_t buf_off; | |
2e0fef85 JS |
1178 | struct class_device *cdev = container_of(kobj, struct class_device, |
1179 | kobj); | |
1180 | struct Scsi_Host *shost = class_to_shost(cdev); | |
1181 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
1182 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
1183 | |
1184 | if ((off + count) > FF_REG_AREA_SIZE) | |
1185 | return -ERANGE; | |
1186 | ||
1187 | if (count == 0) return 0; | |
1188 | ||
1189 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
1190 | return -EINVAL; | |
1191 | ||
2e0fef85 | 1192 | if (!(vport->fc_flag & FC_OFFLINE_MODE)) { |
dea3101e JB |
1193 | return -EPERM; |
1194 | } | |
1195 | ||
2e0fef85 | 1196 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
1197 | for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) |
1198 | writel(*((uint32_t *)(buf + buf_off)), | |
1199 | phba->ctrl_regs_memmap_p + off + buf_off); | |
1200 | ||
2e0fef85 | 1201 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
1202 | |
1203 | return count; | |
1204 | } | |
1205 | ||
1206 | static ssize_t | |
1207 | sysfs_ctlreg_read(struct kobject *kobj, char *buf, loff_t off, size_t count) | |
1208 | { | |
1209 | size_t buf_off; | |
1210 | uint32_t * tmp_ptr; | |
2e0fef85 JS |
1211 | struct class_device *cdev = container_of(kobj, struct class_device, |
1212 | kobj); | |
1213 | struct Scsi_Host *shost = class_to_shost(cdev); | |
1214 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
1215 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
1216 | |
1217 | if (off > FF_REG_AREA_SIZE) | |
1218 | return -ERANGE; | |
1219 | ||
1220 | if ((off + count) > FF_REG_AREA_SIZE) | |
1221 | count = FF_REG_AREA_SIZE - off; | |
1222 | ||
1223 | if (count == 0) return 0; | |
1224 | ||
1225 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
1226 | return -EINVAL; | |
1227 | ||
2e0fef85 | 1228 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
1229 | |
1230 | for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) { | |
1231 | tmp_ptr = (uint32_t *)(buf + buf_off); | |
1232 | *tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off); | |
1233 | } | |
1234 | ||
2e0fef85 | 1235 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
1236 | |
1237 | return count; | |
1238 | } | |
1239 | ||
1240 | static struct bin_attribute sysfs_ctlreg_attr = { | |
1241 | .attr = { | |
1242 | .name = "ctlreg", | |
1243 | .mode = S_IRUSR | S_IWUSR, | |
1244 | .owner = THIS_MODULE, | |
1245 | }, | |
1246 | .size = 256, | |
1247 | .read = sysfs_ctlreg_read, | |
1248 | .write = sysfs_ctlreg_write, | |
1249 | }; | |
1250 | ||
1251 | ||
1252 | static void | |
2e0fef85 | 1253 | sysfs_mbox_idle(struct lpfc_hba *phba) |
dea3101e JB |
1254 | { |
1255 | phba->sysfs_mbox.state = SMBOX_IDLE; | |
1256 | phba->sysfs_mbox.offset = 0; | |
1257 | ||
1258 | if (phba->sysfs_mbox.mbox) { | |
1259 | mempool_free(phba->sysfs_mbox.mbox, | |
1260 | phba->mbox_mem_pool); | |
1261 | phba->sysfs_mbox.mbox = NULL; | |
1262 | } | |
1263 | } | |
1264 | ||
1265 | static ssize_t | |
1266 | sysfs_mbox_write(struct kobject *kobj, char *buf, loff_t off, size_t count) | |
1267 | { | |
2e0fef85 JS |
1268 | struct class_device *cdev = container_of(kobj, struct class_device, |
1269 | kobj); | |
1270 | struct Scsi_Host *shost = class_to_shost(cdev); | |
1271 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
1272 | struct lpfc_hba *phba = vport->phba; | |
1273 | struct lpfcMboxq *mbox = NULL; | |
dea3101e JB |
1274 | |
1275 | if ((count + off) > MAILBOX_CMD_SIZE) | |
1276 | return -ERANGE; | |
1277 | ||
1278 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
1279 | return -EINVAL; | |
1280 | ||
1281 | if (count == 0) | |
1282 | return 0; | |
1283 | ||
1284 | if (off == 0) { | |
1285 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
1286 | if (!mbox) | |
1287 | return -ENOMEM; | |
fc6c12bc | 1288 | memset(mbox, 0, sizeof (LPFC_MBOXQ_t)); |
dea3101e JB |
1289 | } |
1290 | ||
2e0fef85 | 1291 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
1292 | |
1293 | if (off == 0) { | |
1294 | if (phba->sysfs_mbox.mbox) | |
1295 | mempool_free(mbox, phba->mbox_mem_pool); | |
1296 | else | |
1297 | phba->sysfs_mbox.mbox = mbox; | |
1298 | phba->sysfs_mbox.state = SMBOX_WRITING; | |
1299 | } else { | |
1300 | if (phba->sysfs_mbox.state != SMBOX_WRITING || | |
1301 | phba->sysfs_mbox.offset != off || | |
1302 | phba->sysfs_mbox.mbox == NULL ) { | |
1303 | sysfs_mbox_idle(phba); | |
2e0fef85 | 1304 | spin_unlock_irq(&phba->hbalock); |
8f6d98d2 | 1305 | return -EAGAIN; |
dea3101e JB |
1306 | } |
1307 | } | |
1308 | ||
1309 | memcpy((uint8_t *) & phba->sysfs_mbox.mbox->mb + off, | |
1310 | buf, count); | |
1311 | ||
1312 | phba->sysfs_mbox.offset = off + count; | |
1313 | ||
2e0fef85 | 1314 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
1315 | |
1316 | return count; | |
1317 | } | |
1318 | ||
1319 | static ssize_t | |
1320 | sysfs_mbox_read(struct kobject *kobj, char *buf, loff_t off, size_t count) | |
1321 | { | |
2e0fef85 JS |
1322 | struct class_device *cdev = container_of(kobj, struct class_device, |
1323 | kobj); | |
1324 | struct Scsi_Host *shost = class_to_shost(cdev); | |
1325 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
1326 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
1327 | int rc; |
1328 | ||
1dcb58e5 | 1329 | if (off > MAILBOX_CMD_SIZE) |
dea3101e JB |
1330 | return -ERANGE; |
1331 | ||
1dcb58e5 JS |
1332 | if ((count + off) > MAILBOX_CMD_SIZE) |
1333 | count = MAILBOX_CMD_SIZE - off; | |
dea3101e JB |
1334 | |
1335 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
1336 | return -EINVAL; | |
1337 | ||
1338 | if (off && count == 0) | |
1339 | return 0; | |
1340 | ||
2e0fef85 | 1341 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
1342 | |
1343 | if (off == 0 && | |
1344 | phba->sysfs_mbox.state == SMBOX_WRITING && | |
1345 | phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) { | |
1346 | ||
1347 | switch (phba->sysfs_mbox.mbox->mb.mbxCommand) { | |
1348 | /* Offline only */ | |
1349 | case MBX_WRITE_NV: | |
1350 | case MBX_INIT_LINK: | |
1351 | case MBX_DOWN_LINK: | |
1352 | case MBX_CONFIG_LINK: | |
1353 | case MBX_CONFIG_RING: | |
1354 | case MBX_RESET_RING: | |
1355 | case MBX_UNREG_LOGIN: | |
1356 | case MBX_CLEAR_LA: | |
1357 | case MBX_DUMP_CONTEXT: | |
1358 | case MBX_RUN_DIAGS: | |
1359 | case MBX_RESTART: | |
1360 | case MBX_FLASH_WR_ULA: | |
1361 | case MBX_SET_MASK: | |
1362 | case MBX_SET_SLIM: | |
1363 | case MBX_SET_DEBUG: | |
2e0fef85 | 1364 | if (!(vport->fc_flag & FC_OFFLINE_MODE)) { |
dea3101e JB |
1365 | printk(KERN_WARNING "mbox_read:Command 0x%x " |
1366 | "is illegal in on-line state\n", | |
1367 | phba->sysfs_mbox.mbox->mb.mbxCommand); | |
1368 | sysfs_mbox_idle(phba); | |
2e0fef85 | 1369 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
1370 | return -EPERM; |
1371 | } | |
1372 | case MBX_LOAD_SM: | |
1373 | case MBX_READ_NV: | |
1374 | case MBX_READ_CONFIG: | |
1375 | case MBX_READ_RCONFIG: | |
1376 | case MBX_READ_STATUS: | |
1377 | case MBX_READ_XRI: | |
1378 | case MBX_READ_REV: | |
1379 | case MBX_READ_LNK_STAT: | |
1380 | case MBX_DUMP_MEMORY: | |
1381 | case MBX_DOWN_LOAD: | |
1382 | case MBX_UPDATE_CFG: | |
41415862 | 1383 | case MBX_KILL_BOARD: |
dea3101e JB |
1384 | case MBX_LOAD_AREA: |
1385 | case MBX_LOAD_EXP_ROM: | |
41415862 JW |
1386 | case MBX_BEACON: |
1387 | case MBX_DEL_LD_ENTRY: | |
dea3101e JB |
1388 | break; |
1389 | case MBX_READ_SPARM64: | |
1390 | case MBX_READ_LA: | |
1391 | case MBX_READ_LA64: | |
1392 | case MBX_REG_LOGIN: | |
1393 | case MBX_REG_LOGIN64: | |
1394 | case MBX_CONFIG_PORT: | |
1395 | case MBX_RUN_BIU_DIAG: | |
1396 | printk(KERN_WARNING "mbox_read: Illegal Command 0x%x\n", | |
1397 | phba->sysfs_mbox.mbox->mb.mbxCommand); | |
1398 | sysfs_mbox_idle(phba); | |
2e0fef85 | 1399 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
1400 | return -EPERM; |
1401 | default: | |
1402 | printk(KERN_WARNING "mbox_read: Unknown Command 0x%x\n", | |
1403 | phba->sysfs_mbox.mbox->mb.mbxCommand); | |
1404 | sysfs_mbox_idle(phba); | |
2e0fef85 | 1405 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
1406 | return -EPERM; |
1407 | } | |
1408 | ||
2e0fef85 | 1409 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) { |
46fa311e | 1410 | sysfs_mbox_idle(phba); |
2e0fef85 | 1411 | spin_unlock_irq(&phba->hbalock); |
46fa311e JS |
1412 | return -EAGAIN; |
1413 | } | |
1414 | ||
2e0fef85 | 1415 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
dea3101e JB |
1416 | (!(phba->sli.sli_flag & LPFC_SLI2_ACTIVE))){ |
1417 | ||
2e0fef85 | 1418 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
1419 | rc = lpfc_sli_issue_mbox (phba, |
1420 | phba->sysfs_mbox.mbox, | |
1421 | MBX_POLL); | |
2e0fef85 | 1422 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
1423 | |
1424 | } else { | |
2e0fef85 | 1425 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
1426 | rc = lpfc_sli_issue_mbox_wait (phba, |
1427 | phba->sysfs_mbox.mbox, | |
a309a6b6 JS |
1428 | lpfc_mbox_tmo_val(phba, |
1429 | phba->sysfs_mbox.mbox->mb.mbxCommand) * HZ); | |
2e0fef85 | 1430 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
1431 | } |
1432 | ||
1433 | if (rc != MBX_SUCCESS) { | |
1dcb58e5 JS |
1434 | if (rc == MBX_TIMEOUT) { |
1435 | phba->sysfs_mbox.mbox->mbox_cmpl = | |
1436 | lpfc_sli_def_mbox_cmpl; | |
1437 | phba->sysfs_mbox.mbox = NULL; | |
1438 | } | |
dea3101e | 1439 | sysfs_mbox_idle(phba); |
2e0fef85 | 1440 | spin_unlock_irq(&phba->hbalock); |
8f6d98d2 | 1441 | return (rc == MBX_TIMEOUT) ? -ETIME : -ENODEV; |
dea3101e JB |
1442 | } |
1443 | phba->sysfs_mbox.state = SMBOX_READING; | |
1444 | } | |
1445 | else if (phba->sysfs_mbox.offset != off || | |
1446 | phba->sysfs_mbox.state != SMBOX_READING) { | |
1447 | printk(KERN_WARNING "mbox_read: Bad State\n"); | |
1448 | sysfs_mbox_idle(phba); | |
2e0fef85 | 1449 | spin_unlock_irq(&phba->hbalock); |
8f6d98d2 | 1450 | return -EAGAIN; |
dea3101e JB |
1451 | } |
1452 | ||
1453 | memcpy(buf, (uint8_t *) & phba->sysfs_mbox.mbox->mb + off, count); | |
1454 | ||
1455 | phba->sysfs_mbox.offset = off + count; | |
1456 | ||
1dcb58e5 | 1457 | if (phba->sysfs_mbox.offset == MAILBOX_CMD_SIZE) |
dea3101e JB |
1458 | sysfs_mbox_idle(phba); |
1459 | ||
2e0fef85 | 1460 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
1461 | |
1462 | return count; | |
1463 | } | |
1464 | ||
1465 | static struct bin_attribute sysfs_mbox_attr = { | |
1466 | .attr = { | |
1467 | .name = "mbox", | |
1468 | .mode = S_IRUSR | S_IWUSR, | |
1469 | .owner = THIS_MODULE, | |
1470 | }, | |
1dcb58e5 | 1471 | .size = MAILBOX_CMD_SIZE, |
dea3101e JB |
1472 | .read = sysfs_mbox_read, |
1473 | .write = sysfs_mbox_write, | |
1474 | }; | |
1475 | ||
1476 | int | |
2e0fef85 | 1477 | lpfc_alloc_sysfs_attr(struct lpfc_vport *vport) |
dea3101e | 1478 | { |
2e0fef85 | 1479 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e JB |
1480 | int error; |
1481 | ||
2e0fef85 | 1482 | error = sysfs_create_bin_file(&shost->shost_classdev.kobj, |
dea3101e JB |
1483 | &sysfs_ctlreg_attr); |
1484 | if (error) | |
1485 | goto out; | |
1486 | ||
2e0fef85 | 1487 | error = sysfs_create_bin_file(&shost->shost_classdev.kobj, |
dea3101e JB |
1488 | &sysfs_mbox_attr); |
1489 | if (error) | |
1490 | goto out_remove_ctlreg_attr; | |
1491 | ||
1492 | return 0; | |
1493 | out_remove_ctlreg_attr: | |
2e0fef85 | 1494 | sysfs_remove_bin_file(&shost->shost_classdev.kobj, &sysfs_ctlreg_attr); |
dea3101e JB |
1495 | out: |
1496 | return error; | |
1497 | } | |
1498 | ||
1499 | void | |
2e0fef85 | 1500 | lpfc_free_sysfs_attr(struct lpfc_vport *vport) |
dea3101e | 1501 | { |
2e0fef85 | 1502 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 1503 | |
2e0fef85 JS |
1504 | sysfs_remove_bin_file(&shost->shost_classdev.kobj, &sysfs_mbox_attr); |
1505 | sysfs_remove_bin_file(&shost->shost_classdev.kobj, &sysfs_ctlreg_attr); | |
dea3101e JB |
1506 | } |
1507 | ||
1508 | ||
1509 | /* | |
1510 | * Dynamic FC Host Attributes Support | |
1511 | */ | |
1512 | ||
1513 | static void | |
1514 | lpfc_get_host_port_id(struct Scsi_Host *shost) | |
1515 | { | |
2e0fef85 JS |
1516 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1517 | ||
dea3101e | 1518 | /* note: fc_myDID already in cpu endianness */ |
2e0fef85 | 1519 | fc_host_port_id(shost) = vport->fc_myDID; |
dea3101e JB |
1520 | } |
1521 | ||
1522 | static void | |
1523 | lpfc_get_host_port_type(struct Scsi_Host *shost) | |
1524 | { | |
2e0fef85 JS |
1525 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1526 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
1527 | |
1528 | spin_lock_irq(shost->host_lock); | |
1529 | ||
2e0fef85 | 1530 | if (lpfc_is_link_up(phba)) { |
dea3101e | 1531 | if (phba->fc_topology == TOPOLOGY_LOOP) { |
2e0fef85 | 1532 | if (vport->fc_flag & FC_PUBLIC_LOOP) |
dea3101e JB |
1533 | fc_host_port_type(shost) = FC_PORTTYPE_NLPORT; |
1534 | else | |
1535 | fc_host_port_type(shost) = FC_PORTTYPE_LPORT; | |
1536 | } else { | |
2e0fef85 | 1537 | if (vport->fc_flag & FC_FABRIC) |
dea3101e JB |
1538 | fc_host_port_type(shost) = FC_PORTTYPE_NPORT; |
1539 | else | |
1540 | fc_host_port_type(shost) = FC_PORTTYPE_PTP; | |
1541 | } | |
1542 | } else | |
1543 | fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN; | |
1544 | ||
1545 | spin_unlock_irq(shost->host_lock); | |
1546 | } | |
1547 | ||
1548 | static void | |
1549 | lpfc_get_host_port_state(struct Scsi_Host *shost) | |
1550 | { | |
2e0fef85 JS |
1551 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1552 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
1553 | |
1554 | spin_lock_irq(shost->host_lock); | |
1555 | ||
2e0fef85 | 1556 | if (vport->fc_flag & FC_OFFLINE_MODE) |
dea3101e JB |
1557 | fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE; |
1558 | else { | |
2e0fef85 JS |
1559 | switch (phba->link_state) { |
1560 | case LPFC_LINK_UNKNOWN: | |
dea3101e JB |
1561 | case LPFC_LINK_DOWN: |
1562 | fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN; | |
1563 | break; | |
1564 | case LPFC_LINK_UP: | |
dea3101e | 1565 | case LPFC_CLEAR_LA: |
dea3101e JB |
1566 | /* Links up, beyond this port_type reports state */ |
1567 | fc_host_port_state(shost) = FC_PORTSTATE_ONLINE; | |
1568 | break; | |
1569 | case LPFC_HBA_ERROR: | |
1570 | fc_host_port_state(shost) = FC_PORTSTATE_ERROR; | |
1571 | break; | |
1572 | default: | |
1573 | fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN; | |
1574 | break; | |
1575 | } | |
1576 | } | |
1577 | ||
1578 | spin_unlock_irq(shost->host_lock); | |
1579 | } | |
1580 | ||
1581 | static void | |
1582 | lpfc_get_host_speed(struct Scsi_Host *shost) | |
1583 | { | |
2e0fef85 JS |
1584 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1585 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
1586 | |
1587 | spin_lock_irq(shost->host_lock); | |
1588 | ||
2e0fef85 | 1589 | if (lpfc_is_link_up(phba)) { |
dea3101e JB |
1590 | switch(phba->fc_linkspeed) { |
1591 | case LA_1GHZ_LINK: | |
1592 | fc_host_speed(shost) = FC_PORTSPEED_1GBIT; | |
1593 | break; | |
1594 | case LA_2GHZ_LINK: | |
1595 | fc_host_speed(shost) = FC_PORTSPEED_2GBIT; | |
1596 | break; | |
1597 | case LA_4GHZ_LINK: | |
1598 | fc_host_speed(shost) = FC_PORTSPEED_4GBIT; | |
1599 | break; | |
b87eab38 JS |
1600 | case LA_8GHZ_LINK: |
1601 | fc_host_speed(shost) = FC_PORTSPEED_8GBIT; | |
1602 | break; | |
dea3101e JB |
1603 | default: |
1604 | fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN; | |
1605 | break; | |
1606 | } | |
1607 | } | |
1608 | ||
1609 | spin_unlock_irq(shost->host_lock); | |
1610 | } | |
1611 | ||
1612 | static void | |
1613 | lpfc_get_host_fabric_name (struct Scsi_Host *shost) | |
1614 | { | |
2e0fef85 JS |
1615 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1616 | struct lpfc_hba *phba = vport->phba; | |
f631b4be | 1617 | u64 node_name; |
dea3101e JB |
1618 | |
1619 | spin_lock_irq(shost->host_lock); | |
1620 | ||
2e0fef85 | 1621 | if ((vport->fc_flag & FC_FABRIC) || |
dea3101e | 1622 | ((phba->fc_topology == TOPOLOGY_LOOP) && |
2e0fef85 | 1623 | (vport->fc_flag & FC_PUBLIC_LOOP))) |
68ce1eb5 | 1624 | node_name = wwn_to_u64(phba->fc_fabparam.nodeName.u.wwn); |
dea3101e JB |
1625 | else |
1626 | /* fabric is local port if there is no F/FL_Port */ | |
2e0fef85 | 1627 | node_name = wwn_to_u64(vport->fc_nodename.u.wwn); |
dea3101e JB |
1628 | |
1629 | spin_unlock_irq(shost->host_lock); | |
1630 | ||
f631b4be | 1631 | fc_host_fabric_name(shost) = node_name; |
dea3101e JB |
1632 | } |
1633 | ||
dea3101e JB |
1634 | static struct fc_host_statistics * |
1635 | lpfc_get_stats(struct Scsi_Host *shost) | |
1636 | { | |
2e0fef85 JS |
1637 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1638 | struct lpfc_hba *phba = vport->phba; | |
1639 | struct lpfc_sli *psli = &phba->sli; | |
f888ba3c | 1640 | struct fc_host_statistics *hs = &phba->link_stats; |
64ba8818 | 1641 | struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets; |
dea3101e JB |
1642 | LPFC_MBOXQ_t *pmboxq; |
1643 | MAILBOX_t *pmb; | |
64ba8818 | 1644 | unsigned long seconds; |
433c3579 | 1645 | int rc = 0; |
dea3101e | 1646 | |
2e0fef85 JS |
1647 | /* prevent udev from issuing mailbox commands |
1648 | * until the port is configured. | |
1649 | */ | |
1650 | if (phba->link_state < LPFC_LINK_DOWN || | |
1651 | !phba->mbox_mem_pool || | |
1652 | (phba->sli.sli_flag & LPFC_SLI2_ACTIVE) == 0) | |
1653 | return NULL; | |
1654 | ||
1655 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) | |
46fa311e JS |
1656 | return NULL; |
1657 | ||
dea3101e JB |
1658 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
1659 | if (!pmboxq) | |
1660 | return NULL; | |
1661 | memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); | |
1662 | ||
1663 | pmb = &pmboxq->mb; | |
1664 | pmb->mbxCommand = MBX_READ_STATUS; | |
1665 | pmb->mbxOwner = OWN_HOST; | |
1666 | pmboxq->context1 = NULL; | |
1667 | ||
2e0fef85 | 1668 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
433c3579 | 1669 | (!(psli->sli_flag & LPFC_SLI2_ACTIVE))) |
dea3101e | 1670 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
433c3579 | 1671 | else |
dea3101e JB |
1672 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); |
1673 | ||
1674 | if (rc != MBX_SUCCESS) { | |
433c3579 JSEC |
1675 | if (rc == MBX_TIMEOUT) |
1676 | pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
1677 | else | |
1678 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
dea3101e JB |
1679 | return NULL; |
1680 | } | |
1681 | ||
f888ba3c JSEC |
1682 | memset(hs, 0, sizeof (struct fc_host_statistics)); |
1683 | ||
dea3101e JB |
1684 | hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt; |
1685 | hs->tx_words = (pmb->un.varRdStatus.xmitByteCnt * 256); | |
1686 | hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt; | |
1687 | hs->rx_words = (pmb->un.varRdStatus.rcvByteCnt * 256); | |
1688 | ||
433c3579 | 1689 | memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); |
dea3101e JB |
1690 | pmb->mbxCommand = MBX_READ_LNK_STAT; |
1691 | pmb->mbxOwner = OWN_HOST; | |
1692 | pmboxq->context1 = NULL; | |
1693 | ||
2e0fef85 | 1694 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
433c3579 | 1695 | (!(psli->sli_flag & LPFC_SLI2_ACTIVE))) |
dea3101e | 1696 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
433c3579 | 1697 | else |
dea3101e JB |
1698 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); |
1699 | ||
1700 | if (rc != MBX_SUCCESS) { | |
433c3579 JSEC |
1701 | if (rc == MBX_TIMEOUT) |
1702 | pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
1703 | else | |
1704 | mempool_free( pmboxq, phba->mbox_mem_pool); | |
dea3101e JB |
1705 | return NULL; |
1706 | } | |
1707 | ||
1708 | hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt; | |
1709 | hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt; | |
1710 | hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt; | |
1711 | hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt; | |
1712 | hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord; | |
1713 | hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt; | |
1714 | hs->error_frames = pmb->un.varRdLnk.crcCnt; | |
1715 | ||
64ba8818 JS |
1716 | hs->link_failure_count -= lso->link_failure_count; |
1717 | hs->loss_of_sync_count -= lso->loss_of_sync_count; | |
1718 | hs->loss_of_signal_count -= lso->loss_of_signal_count; | |
1719 | hs->prim_seq_protocol_err_count -= lso->prim_seq_protocol_err_count; | |
1720 | hs->invalid_tx_word_count -= lso->invalid_tx_word_count; | |
1721 | hs->invalid_crc_count -= lso->invalid_crc_count; | |
1722 | hs->error_frames -= lso->error_frames; | |
1723 | ||
dea3101e JB |
1724 | if (phba->fc_topology == TOPOLOGY_LOOP) { |
1725 | hs->lip_count = (phba->fc_eventTag >> 1); | |
64ba8818 | 1726 | hs->lip_count -= lso->link_events; |
dea3101e JB |
1727 | hs->nos_count = -1; |
1728 | } else { | |
1729 | hs->lip_count = -1; | |
1730 | hs->nos_count = (phba->fc_eventTag >> 1); | |
64ba8818 | 1731 | hs->nos_count -= lso->link_events; |
dea3101e JB |
1732 | } |
1733 | ||
1734 | hs->dumped_frames = -1; | |
1735 | ||
64ba8818 JS |
1736 | seconds = get_seconds(); |
1737 | if (seconds < psli->stats_start) | |
1738 | hs->seconds_since_last_reset = seconds + | |
1739 | ((unsigned long)-1 - psli->stats_start); | |
1740 | else | |
1741 | hs->seconds_since_last_reset = seconds - psli->stats_start; | |
dea3101e | 1742 | |
1dcb58e5 JS |
1743 | mempool_free(pmboxq, phba->mbox_mem_pool); |
1744 | ||
dea3101e JB |
1745 | return hs; |
1746 | } | |
1747 | ||
64ba8818 JS |
1748 | static void |
1749 | lpfc_reset_stats(struct Scsi_Host *shost) | |
1750 | { | |
2e0fef85 JS |
1751 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1752 | struct lpfc_hba *phba = vport->phba; | |
1753 | struct lpfc_sli *psli = &phba->sli; | |
1754 | struct lpfc_lnk_stat *lso = &psli->lnk_stat_offsets; | |
64ba8818 JS |
1755 | LPFC_MBOXQ_t *pmboxq; |
1756 | MAILBOX_t *pmb; | |
1757 | int rc = 0; | |
1758 | ||
2e0fef85 | 1759 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) |
46fa311e JS |
1760 | return; |
1761 | ||
64ba8818 JS |
1762 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
1763 | if (!pmboxq) | |
1764 | return; | |
1765 | memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t)); | |
1766 | ||
1767 | pmb = &pmboxq->mb; | |
1768 | pmb->mbxCommand = MBX_READ_STATUS; | |
1769 | pmb->mbxOwner = OWN_HOST; | |
1770 | pmb->un.varWords[0] = 0x1; /* reset request */ | |
1771 | pmboxq->context1 = NULL; | |
1772 | ||
2e0fef85 | 1773 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
64ba8818 JS |
1774 | (!(psli->sli_flag & LPFC_SLI2_ACTIVE))) |
1775 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); | |
1776 | else | |
1777 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); | |
1778 | ||
1779 | if (rc != MBX_SUCCESS) { | |
1780 | if (rc == MBX_TIMEOUT) | |
1781 | pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
1782 | else | |
1783 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
1784 | return; | |
1785 | } | |
1786 | ||
1787 | memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t)); | |
1788 | pmb->mbxCommand = MBX_READ_LNK_STAT; | |
1789 | pmb->mbxOwner = OWN_HOST; | |
1790 | pmboxq->context1 = NULL; | |
1791 | ||
2e0fef85 | 1792 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
64ba8818 JS |
1793 | (!(psli->sli_flag & LPFC_SLI2_ACTIVE))) |
1794 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); | |
1795 | else | |
1796 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); | |
1797 | ||
1798 | if (rc != MBX_SUCCESS) { | |
1799 | if (rc == MBX_TIMEOUT) | |
1800 | pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
1801 | else | |
1802 | mempool_free( pmboxq, phba->mbox_mem_pool); | |
1803 | return; | |
1804 | } | |
1805 | ||
1806 | lso->link_failure_count = pmb->un.varRdLnk.linkFailureCnt; | |
1807 | lso->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt; | |
1808 | lso->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt; | |
1809 | lso->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt; | |
1810 | lso->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord; | |
1811 | lso->invalid_crc_count = pmb->un.varRdLnk.crcCnt; | |
1812 | lso->error_frames = pmb->un.varRdLnk.crcCnt; | |
1813 | lso->link_events = (phba->fc_eventTag >> 1); | |
1814 | ||
1815 | psli->stats_start = get_seconds(); | |
1816 | ||
1dcb58e5 JS |
1817 | mempool_free(pmboxq, phba->mbox_mem_pool); |
1818 | ||
64ba8818 JS |
1819 | return; |
1820 | } | |
dea3101e JB |
1821 | |
1822 | /* | |
1823 | * The LPFC driver treats linkdown handling as target loss events so there | |
1824 | * are no sysfs handlers for link_down_tmo. | |
1825 | */ | |
685f0bf7 JS |
1826 | |
1827 | static struct lpfc_nodelist * | |
1828 | lpfc_get_node_by_target(struct scsi_target *starget) | |
dea3101e | 1829 | { |
2e0fef85 JS |
1830 | struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); |
1831 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
685f0bf7 | 1832 | struct lpfc_nodelist *ndlp; |
dea3101e JB |
1833 | |
1834 | spin_lock_irq(shost->host_lock); | |
685f0bf7 | 1835 | /* Search for this, mapped, target ID */ |
2e0fef85 | 1836 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
685f0bf7 JS |
1837 | if (ndlp->nlp_state == NLP_STE_MAPPED_NODE && |
1838 | starget->id == ndlp->nlp_sid) { | |
1839 | spin_unlock_irq(shost->host_lock); | |
1840 | return ndlp; | |
dea3101e JB |
1841 | } |
1842 | } | |
1843 | spin_unlock_irq(shost->host_lock); | |
685f0bf7 JS |
1844 | return NULL; |
1845 | } | |
dea3101e | 1846 | |
685f0bf7 JS |
1847 | static void |
1848 | lpfc_get_starget_port_id(struct scsi_target *starget) | |
1849 | { | |
1850 | struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); | |
1851 | ||
1852 | fc_starget_port_id(starget) = ndlp ? ndlp->nlp_DID : -1; | |
dea3101e JB |
1853 | } |
1854 | ||
1855 | static void | |
1856 | lpfc_get_starget_node_name(struct scsi_target *starget) | |
1857 | { | |
685f0bf7 | 1858 | struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); |
dea3101e | 1859 | |
685f0bf7 JS |
1860 | fc_starget_node_name(starget) = |
1861 | ndlp ? wwn_to_u64(ndlp->nlp_nodename.u.wwn) : 0; | |
dea3101e JB |
1862 | } |
1863 | ||
1864 | static void | |
1865 | lpfc_get_starget_port_name(struct scsi_target *starget) | |
1866 | { | |
685f0bf7 | 1867 | struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); |
dea3101e | 1868 | |
685f0bf7 JS |
1869 | fc_starget_port_name(starget) = |
1870 | ndlp ? wwn_to_u64(ndlp->nlp_portname.u.wwn) : 0; | |
dea3101e JB |
1871 | } |
1872 | ||
dea3101e JB |
1873 | static void |
1874 | lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout) | |
1875 | { | |
dea3101e | 1876 | if (timeout) |
c01f3208 | 1877 | rport->dev_loss_tmo = timeout; |
dea3101e | 1878 | else |
c01f3208 | 1879 | rport->dev_loss_tmo = 1; |
dea3101e JB |
1880 | } |
1881 | ||
1882 | ||
1883 | #define lpfc_rport_show_function(field, format_string, sz, cast) \ | |
1884 | static ssize_t \ | |
1885 | lpfc_show_rport_##field (struct class_device *cdev, char *buf) \ | |
1886 | { \ | |
1887 | struct fc_rport *rport = transport_class_to_rport(cdev); \ | |
1888 | struct lpfc_rport_data *rdata = rport->hostdata; \ | |
1889 | return snprintf(buf, sz, format_string, \ | |
1890 | (rdata->target) ? cast rdata->target->field : 0); \ | |
1891 | } | |
1892 | ||
1893 | #define lpfc_rport_rd_attr(field, format_string, sz) \ | |
1894 | lpfc_rport_show_function(field, format_string, sz, ) \ | |
1895 | static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL) | |
1896 | ||
1897 | ||
1898 | struct fc_function_template lpfc_transport_functions = { | |
1899 | /* fixed attributes the driver supports */ | |
1900 | .show_host_node_name = 1, | |
1901 | .show_host_port_name = 1, | |
1902 | .show_host_supported_classes = 1, | |
1903 | .show_host_supported_fc4s = 1, | |
dea3101e JB |
1904 | .show_host_supported_speeds = 1, |
1905 | .show_host_maxframe_size = 1, | |
1906 | ||
1907 | /* dynamic attributes the driver supports */ | |
1908 | .get_host_port_id = lpfc_get_host_port_id, | |
1909 | .show_host_port_id = 1, | |
1910 | ||
1911 | .get_host_port_type = lpfc_get_host_port_type, | |
1912 | .show_host_port_type = 1, | |
1913 | ||
1914 | .get_host_port_state = lpfc_get_host_port_state, | |
1915 | .show_host_port_state = 1, | |
1916 | ||
1917 | /* active_fc4s is shown but doesn't change (thus no get function) */ | |
1918 | .show_host_active_fc4s = 1, | |
1919 | ||
1920 | .get_host_speed = lpfc_get_host_speed, | |
1921 | .show_host_speed = 1, | |
1922 | ||
1923 | .get_host_fabric_name = lpfc_get_host_fabric_name, | |
1924 | .show_host_fabric_name = 1, | |
1925 | ||
1926 | /* | |
1927 | * The LPFC driver treats linkdown handling as target loss events | |
1928 | * so there are no sysfs handlers for link_down_tmo. | |
1929 | */ | |
1930 | ||
1931 | .get_fc_host_stats = lpfc_get_stats, | |
64ba8818 | 1932 | .reset_fc_host_stats = lpfc_reset_stats, |
dea3101e JB |
1933 | |
1934 | .dd_fcrport_size = sizeof(struct lpfc_rport_data), | |
1935 | .show_rport_maxframe_size = 1, | |
1936 | .show_rport_supported_classes = 1, | |
1937 | ||
dea3101e JB |
1938 | .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo, |
1939 | .show_rport_dev_loss_tmo = 1, | |
1940 | ||
1941 | .get_starget_port_id = lpfc_get_starget_port_id, | |
1942 | .show_starget_port_id = 1, | |
1943 | ||
1944 | .get_starget_node_name = lpfc_get_starget_node_name, | |
1945 | .show_starget_node_name = 1, | |
1946 | ||
1947 | .get_starget_port_name = lpfc_get_starget_port_name, | |
1948 | .show_starget_port_name = 1, | |
91ca7b01 AV |
1949 | |
1950 | .issue_fc_host_lip = lpfc_issue_lip, | |
c01f3208 JS |
1951 | .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk, |
1952 | .terminate_rport_io = lpfc_terminate_rport_io, | |
dea3101e JB |
1953 | }; |
1954 | ||
1955 | void | |
1956 | lpfc_get_cfgparam(struct lpfc_hba *phba) | |
1957 | { | |
7bcbb752 JSEC |
1958 | lpfc_log_verbose_init(phba, lpfc_log_verbose); |
1959 | lpfc_cr_delay_init(phba, lpfc_cr_delay); | |
1960 | lpfc_cr_count_init(phba, lpfc_cr_count); | |
cf5bf97e | 1961 | lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support); |
a4bc3379 JS |
1962 | lpfc_multi_ring_rctl_init(phba, lpfc_multi_ring_rctl); |
1963 | lpfc_multi_ring_type_init(phba, lpfc_multi_ring_type); | |
7bcbb752 JSEC |
1964 | lpfc_lun_queue_depth_init(phba, lpfc_lun_queue_depth); |
1965 | lpfc_fcp_class_init(phba, lpfc_fcp_class); | |
1966 | lpfc_use_adisc_init(phba, lpfc_use_adisc); | |
1967 | lpfc_ack0_init(phba, lpfc_ack0); | |
1968 | lpfc_topology_init(phba, lpfc_topology); | |
1969 | lpfc_scan_down_init(phba, lpfc_scan_down); | |
7bcbb752 JSEC |
1970 | lpfc_link_speed_init(phba, lpfc_link_speed); |
1971 | lpfc_fdmi_on_init(phba, lpfc_fdmi_on); | |
1972 | lpfc_discovery_threads_init(phba, lpfc_discovery_threads); | |
1973 | lpfc_max_luns_init(phba, lpfc_max_luns); | |
875fbdfe | 1974 | lpfc_poll_tmo_init(phba, lpfc_poll_tmo); |
4ff43246 | 1975 | lpfc_use_msi_init(phba, lpfc_use_msi); |
c01f3208 JS |
1976 | lpfc_devloss_tmo_init(phba, lpfc_devloss_tmo); |
1977 | lpfc_nodev_tmo_init(phba, lpfc_nodev_tmo); | |
875fbdfe | 1978 | phba->cfg_poll = lpfc_poll; |
a12e07bc | 1979 | phba->cfg_soft_wwnn = 0L; |
c3f28afa | 1980 | phba->cfg_soft_wwpn = 0L; |
dea3101e JB |
1981 | |
1982 | /* | |
1983 | * The total number of segments is the configuration value plus 2 | |
1984 | * since the IOCB need a command and response bde. | |
1985 | */ | |
1986 | phba->cfg_sg_seg_cnt = LPFC_SG_SEG_CNT + 2; | |
1987 | ||
1988 | /* | |
1989 | * Since the sg_tablesize is module parameter, the sg_dma_buf_size | |
1990 | * used to create the sg_dma_buf_pool must be dynamically calculated | |
1991 | */ | |
1992 | phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) + | |
1993 | sizeof(struct fcp_rsp) + | |
1994 | (phba->cfg_sg_seg_cnt * sizeof(struct ulp_bde64)); | |
1995 | ||
b28485ac | 1996 | |
7054a606 | 1997 | lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth); |
b28485ac | 1998 | |
dea3101e JB |
1999 | return; |
2000 | } |