Commit | Line | Data |
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dea3101e | 1 | /******************************************************************* |
2 | * This file is part of the Emulex Linux Device Driver for * | |
c44ce173 | 3 | * Fibre Channel Host Bus Adapters. * |
2e61f504 | 4 | * Copyright (C) 2004-2014 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 | 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 | 20 | *******************************************************************/ |
21 | ||
dea3101e | 22 | #include <linux/ctype.h> |
46fa311e | 23 | #include <linux/delay.h> |
dea3101e | 24 | #include <linux/pci.h> |
25 | #include <linux/interrupt.h> | |
acf3368f | 26 | #include <linux/module.h> |
0d878419 | 27 | #include <linux/aer.h> |
5a0e3ad6 | 28 | #include <linux/gfp.h> |
ecc30990 | 29 | #include <linux/kernel.h> |
dea3101e | 30 | |
91886523 | 31 | #include <scsi/scsi.h> |
dea3101e | 32 | #include <scsi/scsi_device.h> |
33 | #include <scsi/scsi_host.h> | |
34 | #include <scsi/scsi_tcq.h> | |
35 | #include <scsi/scsi_transport_fc.h> | |
6a9c52cf | 36 | #include <scsi/fc/fc_fs.h> |
dea3101e | 37 | |
da0436e9 | 38 | #include "lpfc_hw4.h" |
dea3101e | 39 | #include "lpfc_hw.h" |
40 | #include "lpfc_sli.h" | |
da0436e9 | 41 | #include "lpfc_sli4.h" |
ea2151b4 | 42 | #include "lpfc_nl.h" |
dea3101e | 43 | #include "lpfc_disc.h" |
44 | #include "lpfc_scsi.h" | |
45 | #include "lpfc.h" | |
46 | #include "lpfc_logmsg.h" | |
47 | #include "lpfc_version.h" | |
48 | #include "lpfc_compat.h" | |
49 | #include "lpfc_crtn.h" | |
92d7f7b0 | 50 | #include "lpfc_vport.h" |
dea3101e | 51 | |
c01f3208 JS |
52 | #define LPFC_DEF_DEVLOSS_TMO 30 |
53 | #define LPFC_MIN_DEVLOSS_TMO 1 | |
54 | #define LPFC_MAX_DEVLOSS_TMO 255 | |
dea3101e | 55 | |
f7a919b4 JS |
56 | /* |
57 | * Write key size should be multiple of 4. If write key is changed | |
58 | * make sure that library write key is also changed. | |
59 | */ | |
60 | #define LPFC_REG_WRITE_KEY_SIZE 4 | |
61 | #define LPFC_REG_WRITE_KEY "EMLX" | |
62 | ||
e59058c4 | 63 | /** |
3621a710 | 64 | * lpfc_jedec_to_ascii - Hex to ascii convertor according to JEDEC rules |
e59058c4 JS |
65 | * @incr: integer to convert. |
66 | * @hdw: ascii string holding converted integer plus a string terminator. | |
67 | * | |
68 | * Description: | |
69 | * JEDEC Joint Electron Device Engineering Council. | |
70 | * Convert a 32 bit integer composed of 8 nibbles into an 8 byte ascii | |
71 | * character string. The string is then terminated with a NULL in byte 9. | |
72 | * Hex 0-9 becomes ascii '0' to '9'. | |
73 | * Hex a-f becomes ascii '=' to 'B' capital B. | |
74 | * | |
75 | * Notes: | |
76 | * Coded for 32 bit integers only. | |
77 | **/ | |
dea3101e | 78 | static void |
79 | lpfc_jedec_to_ascii(int incr, char hdw[]) | |
80 | { | |
81 | int i, j; | |
82 | for (i = 0; i < 8; i++) { | |
83 | j = (incr & 0xf); | |
84 | if (j <= 9) | |
85 | hdw[7 - i] = 0x30 + j; | |
86 | else | |
87 | hdw[7 - i] = 0x61 + j - 10; | |
88 | incr = (incr >> 4); | |
89 | } | |
90 | hdw[8] = 0; | |
91 | return; | |
92 | } | |
93 | ||
e59058c4 | 94 | /** |
3621a710 | 95 | * lpfc_drvr_version_show - Return the Emulex driver string with version number |
e59058c4 JS |
96 | * @dev: class unused variable. |
97 | * @attr: device attribute, not used. | |
98 | * @buf: on return contains the module description text. | |
99 | * | |
100 | * Returns: size of formatted string. | |
101 | **/ | |
dea3101e | 102 | static ssize_t |
ee959b00 TJ |
103 | lpfc_drvr_version_show(struct device *dev, struct device_attribute *attr, |
104 | char *buf) | |
dea3101e | 105 | { |
106 | return snprintf(buf, PAGE_SIZE, LPFC_MODULE_DESC "\n"); | |
107 | } | |
108 | ||
45ed1190 JS |
109 | /** |
110 | * lpfc_enable_fip_show - Return the fip mode of the HBA | |
111 | * @dev: class unused variable. | |
112 | * @attr: device attribute, not used. | |
113 | * @buf: on return contains the module description text. | |
114 | * | |
115 | * Returns: size of formatted string. | |
116 | **/ | |
117 | static ssize_t | |
118 | lpfc_enable_fip_show(struct device *dev, struct device_attribute *attr, | |
119 | char *buf) | |
120 | { | |
121 | struct Scsi_Host *shost = class_to_shost(dev); | |
122 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
123 | struct lpfc_hba *phba = vport->phba; | |
124 | ||
125 | if (phba->hba_flag & HBA_FIP_SUPPORT) | |
126 | return snprintf(buf, PAGE_SIZE, "1\n"); | |
127 | else | |
128 | return snprintf(buf, PAGE_SIZE, "0\n"); | |
129 | } | |
130 | ||
81301a9b JS |
131 | static ssize_t |
132 | lpfc_bg_info_show(struct device *dev, struct device_attribute *attr, | |
133 | char *buf) | |
134 | { | |
135 | struct Scsi_Host *shost = class_to_shost(dev); | |
136 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
137 | struct lpfc_hba *phba = vport->phba; | |
138 | ||
139 | if (phba->cfg_enable_bg) | |
140 | if (phba->sli3_options & LPFC_SLI3_BG_ENABLED) | |
141 | return snprintf(buf, PAGE_SIZE, "BlockGuard Enabled\n"); | |
142 | else | |
143 | return snprintf(buf, PAGE_SIZE, | |
144 | "BlockGuard Not Supported\n"); | |
145 | else | |
146 | return snprintf(buf, PAGE_SIZE, | |
147 | "BlockGuard Disabled\n"); | |
148 | } | |
149 | ||
150 | static ssize_t | |
151 | lpfc_bg_guard_err_show(struct device *dev, struct device_attribute *attr, | |
152 | char *buf) | |
153 | { | |
154 | struct Scsi_Host *shost = class_to_shost(dev); | |
155 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
156 | struct lpfc_hba *phba = vport->phba; | |
157 | ||
87b5c328 JS |
158 | return snprintf(buf, PAGE_SIZE, "%llu\n", |
159 | (unsigned long long)phba->bg_guard_err_cnt); | |
81301a9b JS |
160 | } |
161 | ||
162 | static ssize_t | |
163 | lpfc_bg_apptag_err_show(struct device *dev, struct device_attribute *attr, | |
164 | char *buf) | |
165 | { | |
166 | struct Scsi_Host *shost = class_to_shost(dev); | |
167 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
168 | struct lpfc_hba *phba = vport->phba; | |
169 | ||
87b5c328 JS |
170 | return snprintf(buf, PAGE_SIZE, "%llu\n", |
171 | (unsigned long long)phba->bg_apptag_err_cnt); | |
81301a9b JS |
172 | } |
173 | ||
174 | static ssize_t | |
175 | lpfc_bg_reftag_err_show(struct device *dev, struct device_attribute *attr, | |
176 | char *buf) | |
177 | { | |
178 | struct Scsi_Host *shost = class_to_shost(dev); | |
179 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
180 | struct lpfc_hba *phba = vport->phba; | |
181 | ||
87b5c328 JS |
182 | return snprintf(buf, PAGE_SIZE, "%llu\n", |
183 | (unsigned long long)phba->bg_reftag_err_cnt); | |
81301a9b JS |
184 | } |
185 | ||
e59058c4 | 186 | /** |
3621a710 | 187 | * lpfc_info_show - Return some pci info about the host in ascii |
e59058c4 JS |
188 | * @dev: class converted to a Scsi_host structure. |
189 | * @attr: device attribute, not used. | |
190 | * @buf: on return contains the formatted text from lpfc_info(). | |
191 | * | |
192 | * Returns: size of formatted string. | |
193 | **/ | |
dea3101e | 194 | static ssize_t |
ee959b00 TJ |
195 | lpfc_info_show(struct device *dev, struct device_attribute *attr, |
196 | char *buf) | |
dea3101e | 197 | { |
ee959b00 | 198 | struct Scsi_Host *host = class_to_shost(dev); |
2e0fef85 | 199 | |
dea3101e | 200 | return snprintf(buf, PAGE_SIZE, "%s\n",lpfc_info(host)); |
201 | } | |
202 | ||
e59058c4 | 203 | /** |
3621a710 | 204 | * lpfc_serialnum_show - Return the hba serial number in ascii |
e59058c4 JS |
205 | * @dev: class converted to a Scsi_host structure. |
206 | * @attr: device attribute, not used. | |
207 | * @buf: on return contains the formatted text serial number. | |
208 | * | |
209 | * Returns: size of formatted string. | |
210 | **/ | |
dea3101e | 211 | static ssize_t |
ee959b00 TJ |
212 | lpfc_serialnum_show(struct device *dev, struct device_attribute *attr, |
213 | char *buf) | |
dea3101e | 214 | { |
ee959b00 | 215 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
216 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
217 | struct lpfc_hba *phba = vport->phba; | |
218 | ||
dea3101e | 219 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->SerialNumber); |
220 | } | |
221 | ||
e59058c4 | 222 | /** |
3621a710 | 223 | * lpfc_temp_sensor_show - Return the temperature sensor level |
e59058c4 JS |
224 | * @dev: class converted to a Scsi_host structure. |
225 | * @attr: device attribute, not used. | |
226 | * @buf: on return contains the formatted support level. | |
227 | * | |
228 | * Description: | |
229 | * Returns a number indicating the temperature sensor level currently | |
230 | * supported, zero or one in ascii. | |
231 | * | |
232 | * Returns: size of formatted string. | |
233 | **/ | |
57127f15 | 234 | static ssize_t |
ee959b00 TJ |
235 | lpfc_temp_sensor_show(struct device *dev, struct device_attribute *attr, |
236 | char *buf) | |
57127f15 | 237 | { |
ee959b00 | 238 | struct Scsi_Host *shost = class_to_shost(dev); |
57127f15 JS |
239 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
240 | struct lpfc_hba *phba = vport->phba; | |
241 | return snprintf(buf, PAGE_SIZE, "%d\n",phba->temp_sensor_support); | |
242 | } | |
243 | ||
e59058c4 | 244 | /** |
3621a710 | 245 | * lpfc_modeldesc_show - Return the model description of the hba |
e59058c4 JS |
246 | * @dev: class converted to a Scsi_host structure. |
247 | * @attr: device attribute, not used. | |
248 | * @buf: on return contains the scsi vpd model description. | |
249 | * | |
250 | * Returns: size of formatted string. | |
251 | **/ | |
dea3101e | 252 | static ssize_t |
ee959b00 TJ |
253 | lpfc_modeldesc_show(struct device *dev, struct device_attribute *attr, |
254 | char *buf) | |
dea3101e | 255 | { |
ee959b00 | 256 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
257 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
258 | struct lpfc_hba *phba = vport->phba; | |
259 | ||
dea3101e | 260 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelDesc); |
261 | } | |
262 | ||
e59058c4 | 263 | /** |
3621a710 | 264 | * lpfc_modelname_show - Return the model name of the hba |
e59058c4 JS |
265 | * @dev: class converted to a Scsi_host structure. |
266 | * @attr: device attribute, not used. | |
267 | * @buf: on return contains the scsi vpd model name. | |
268 | * | |
269 | * Returns: size of formatted string. | |
270 | **/ | |
dea3101e | 271 | static ssize_t |
ee959b00 TJ |
272 | lpfc_modelname_show(struct device *dev, struct device_attribute *attr, |
273 | char *buf) | |
dea3101e | 274 | { |
ee959b00 | 275 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
276 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
277 | struct lpfc_hba *phba = vport->phba; | |
278 | ||
dea3101e | 279 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelName); |
280 | } | |
281 | ||
e59058c4 | 282 | /** |
3621a710 | 283 | * lpfc_programtype_show - Return the program type of the hba |
e59058c4 JS |
284 | * @dev: class converted to a Scsi_host structure. |
285 | * @attr: device attribute, not used. | |
286 | * @buf: on return contains the scsi vpd program type. | |
287 | * | |
288 | * Returns: size of formatted string. | |
289 | **/ | |
dea3101e | 290 | static ssize_t |
ee959b00 TJ |
291 | lpfc_programtype_show(struct device *dev, struct device_attribute *attr, |
292 | char *buf) | |
dea3101e | 293 | { |
ee959b00 | 294 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
295 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
296 | struct lpfc_hba *phba = vport->phba; | |
297 | ||
dea3101e | 298 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->ProgramType); |
299 | } | |
300 | ||
84774a4d | 301 | /** |
3621a710 | 302 | * lpfc_mlomgmt_show - Return the Menlo Maintenance sli flag |
84774a4d JS |
303 | * @dev: class converted to a Scsi_host structure. |
304 | * @attr: device attribute, not used. | |
305 | * @buf: on return contains the Menlo Maintenance sli flag. | |
306 | * | |
307 | * Returns: size of formatted string. | |
308 | **/ | |
309 | static ssize_t | |
310 | lpfc_mlomgmt_show(struct device *dev, struct device_attribute *attr, char *buf) | |
311 | { | |
312 | struct Scsi_Host *shost = class_to_shost(dev); | |
313 | struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; | |
314 | struct lpfc_hba *phba = vport->phba; | |
315 | ||
316 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
317 | (phba->sli.sli_flag & LPFC_MENLO_MAINT)); | |
318 | } | |
319 | ||
e59058c4 | 320 | /** |
3621a710 | 321 | * lpfc_vportnum_show - Return the port number in ascii of the hba |
e59058c4 JS |
322 | * @dev: class converted to a Scsi_host structure. |
323 | * @attr: device attribute, not used. | |
324 | * @buf: on return contains scsi vpd program type. | |
325 | * | |
326 | * Returns: size of formatted string. | |
327 | **/ | |
dea3101e | 328 | static ssize_t |
ee959b00 TJ |
329 | lpfc_vportnum_show(struct device *dev, struct device_attribute *attr, |
330 | char *buf) | |
dea3101e | 331 | { |
ee959b00 | 332 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
333 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
334 | struct lpfc_hba *phba = vport->phba; | |
335 | ||
dea3101e | 336 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->Port); |
337 | } | |
338 | ||
e59058c4 | 339 | /** |
3621a710 | 340 | * lpfc_fwrev_show - Return the firmware rev running in the hba |
e59058c4 JS |
341 | * @dev: class converted to a Scsi_host structure. |
342 | * @attr: device attribute, not used. | |
343 | * @buf: on return contains the scsi vpd program type. | |
344 | * | |
345 | * Returns: size of formatted string. | |
346 | **/ | |
dea3101e | 347 | static ssize_t |
ee959b00 TJ |
348 | lpfc_fwrev_show(struct device *dev, struct device_attribute *attr, |
349 | char *buf) | |
dea3101e | 350 | { |
ee959b00 | 351 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
352 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
353 | struct lpfc_hba *phba = vport->phba; | |
026abb87 JS |
354 | uint32_t if_type; |
355 | uint8_t sli_family; | |
6b5151fd | 356 | char fwrev[FW_REV_STR_SIZE]; |
026abb87 | 357 | int len; |
2e0fef85 | 358 | |
dea3101e | 359 | lpfc_decode_firmware_rev(phba, fwrev, 1); |
026abb87 JS |
360 | if_type = phba->sli4_hba.pc_sli4_params.if_type; |
361 | sli_family = phba->sli4_hba.pc_sli4_params.sli_family; | |
362 | ||
363 | if (phba->sli_rev < LPFC_SLI_REV4) | |
364 | len = snprintf(buf, PAGE_SIZE, "%s, sli-%d\n", | |
365 | fwrev, phba->sli_rev); | |
366 | else | |
367 | len = snprintf(buf, PAGE_SIZE, "%s, sli-%d:%d:%x\n", | |
368 | fwrev, phba->sli_rev, if_type, sli_family); | |
369 | ||
370 | return len; | |
dea3101e | 371 | } |
372 | ||
e59058c4 | 373 | /** |
3621a710 | 374 | * lpfc_hdw_show - Return the jedec information about the hba |
e59058c4 JS |
375 | * @dev: class converted to a Scsi_host structure. |
376 | * @attr: device attribute, not used. | |
377 | * @buf: on return contains the scsi vpd program type. | |
378 | * | |
379 | * Returns: size of formatted string. | |
380 | **/ | |
dea3101e | 381 | static ssize_t |
ee959b00 | 382 | lpfc_hdw_show(struct device *dev, struct device_attribute *attr, char *buf) |
dea3101e | 383 | { |
384 | char hdw[9]; | |
ee959b00 | 385 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
386 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
387 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 388 | lpfc_vpd_t *vp = &phba->vpd; |
2e0fef85 | 389 | |
dea3101e | 390 | lpfc_jedec_to_ascii(vp->rev.biuRev, hdw); |
391 | return snprintf(buf, PAGE_SIZE, "%s\n", hdw); | |
392 | } | |
e59058c4 JS |
393 | |
394 | /** | |
3621a710 | 395 | * lpfc_option_rom_version_show - Return the adapter ROM FCode version |
e59058c4 JS |
396 | * @dev: class converted to a Scsi_host structure. |
397 | * @attr: device attribute, not used. | |
398 | * @buf: on return contains the ROM and FCode ascii strings. | |
399 | * | |
400 | * Returns: size of formatted string. | |
401 | **/ | |
dea3101e | 402 | static ssize_t |
ee959b00 TJ |
403 | lpfc_option_rom_version_show(struct device *dev, struct device_attribute *attr, |
404 | char *buf) | |
dea3101e | 405 | { |
ee959b00 | 406 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
407 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
408 | struct lpfc_hba *phba = vport->phba; | |
409 | ||
dea3101e | 410 | return snprintf(buf, PAGE_SIZE, "%s\n", phba->OptionROMVersion); |
411 | } | |
e59058c4 JS |
412 | |
413 | /** | |
3621a710 | 414 | * lpfc_state_show - Return the link state of the port |
e59058c4 JS |
415 | * @dev: class converted to a Scsi_host structure. |
416 | * @attr: device attribute, not used. | |
417 | * @buf: on return contains text describing the state of the link. | |
418 | * | |
419 | * Notes: | |
420 | * The switch statement has no default so zero will be returned. | |
421 | * | |
422 | * Returns: size of formatted string. | |
423 | **/ | |
dea3101e | 424 | static ssize_t |
bbd1ae41 HR |
425 | lpfc_link_state_show(struct device *dev, struct device_attribute *attr, |
426 | char *buf) | |
dea3101e | 427 | { |
ee959b00 | 428 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
429 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
430 | struct lpfc_hba *phba = vport->phba; | |
431 | int len = 0; | |
432 | ||
433 | switch (phba->link_state) { | |
434 | case LPFC_LINK_UNKNOWN: | |
41415862 | 435 | case LPFC_WARM_START: |
dea3101e | 436 | case LPFC_INIT_START: |
437 | case LPFC_INIT_MBX_CMDS: | |
438 | case LPFC_LINK_DOWN: | |
2e0fef85 | 439 | case LPFC_HBA_ERROR: |
a0c87cbd JS |
440 | if (phba->hba_flag & LINK_DISABLED) |
441 | len += snprintf(buf + len, PAGE_SIZE-len, | |
442 | "Link Down - User disabled\n"); | |
443 | else | |
444 | len += snprintf(buf + len, PAGE_SIZE-len, | |
445 | "Link Down\n"); | |
dea3101e | 446 | break; |
447 | case LPFC_LINK_UP: | |
dea3101e | 448 | case LPFC_CLEAR_LA: |
dea3101e | 449 | case LPFC_HBA_READY: |
a8adb832 | 450 | len += snprintf(buf + len, PAGE_SIZE-len, "Link Up - "); |
2e0fef85 JS |
451 | |
452 | switch (vport->port_state) { | |
2e0fef85 JS |
453 | case LPFC_LOCAL_CFG_LINK: |
454 | len += snprintf(buf + len, PAGE_SIZE-len, | |
92d7f7b0 | 455 | "Configuring Link\n"); |
2e0fef85 | 456 | break; |
92d7f7b0 | 457 | case LPFC_FDISC: |
2e0fef85 JS |
458 | case LPFC_FLOGI: |
459 | case LPFC_FABRIC_CFG_LINK: | |
460 | case LPFC_NS_REG: | |
461 | case LPFC_NS_QRY: | |
462 | case LPFC_BUILD_DISC_LIST: | |
463 | case LPFC_DISC_AUTH: | |
464 | len += snprintf(buf + len, PAGE_SIZE - len, | |
465 | "Discovery\n"); | |
466 | break; | |
467 | case LPFC_VPORT_READY: | |
468 | len += snprintf(buf + len, PAGE_SIZE - len, "Ready\n"); | |
469 | break; | |
470 | ||
92d7f7b0 JS |
471 | case LPFC_VPORT_FAILED: |
472 | len += snprintf(buf + len, PAGE_SIZE - len, "Failed\n"); | |
473 | break; | |
474 | ||
475 | case LPFC_VPORT_UNKNOWN: | |
2e0fef85 JS |
476 | len += snprintf(buf + len, PAGE_SIZE - len, |
477 | "Unknown\n"); | |
478 | break; | |
479 | } | |
84774a4d JS |
480 | if (phba->sli.sli_flag & LPFC_MENLO_MAINT) |
481 | len += snprintf(buf + len, PAGE_SIZE-len, | |
482 | " Menlo Maint Mode\n"); | |
76a95d75 | 483 | else if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { |
2e0fef85 | 484 | if (vport->fc_flag & FC_PUBLIC_LOOP) |
dea3101e | 485 | len += snprintf(buf + len, PAGE_SIZE-len, |
486 | " Public Loop\n"); | |
487 | else | |
488 | len += snprintf(buf + len, PAGE_SIZE-len, | |
489 | " Private Loop\n"); | |
490 | } else { | |
2e0fef85 | 491 | if (vport->fc_flag & FC_FABRIC) |
dea3101e | 492 | len += snprintf(buf + len, PAGE_SIZE-len, |
493 | " Fabric\n"); | |
494 | else | |
495 | len += snprintf(buf + len, PAGE_SIZE-len, | |
496 | " Point-2-Point\n"); | |
497 | } | |
498 | } | |
2e0fef85 | 499 | |
dea3101e | 500 | return len; |
501 | } | |
502 | ||
026abb87 JS |
503 | /** |
504 | * lpfc_sli4_protocol_show - Return the fip mode of the HBA | |
505 | * @dev: class unused variable. | |
506 | * @attr: device attribute, not used. | |
507 | * @buf: on return contains the module description text. | |
508 | * | |
509 | * Returns: size of formatted string. | |
510 | **/ | |
511 | static ssize_t | |
512 | lpfc_sli4_protocol_show(struct device *dev, struct device_attribute *attr, | |
513 | char *buf) | |
514 | { | |
515 | struct Scsi_Host *shost = class_to_shost(dev); | |
516 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
517 | struct lpfc_hba *phba = vport->phba; | |
518 | ||
519 | if (phba->sli_rev < LPFC_SLI_REV4) | |
520 | return snprintf(buf, PAGE_SIZE, "fc\n"); | |
521 | ||
522 | if (phba->sli4_hba.lnk_info.lnk_dv == LPFC_LNK_DAT_VAL) { | |
523 | if (phba->sli4_hba.lnk_info.lnk_tp == LPFC_LNK_TYPE_GE) | |
524 | return snprintf(buf, PAGE_SIZE, "fcoe\n"); | |
525 | if (phba->sli4_hba.lnk_info.lnk_tp == LPFC_LNK_TYPE_FC) | |
526 | return snprintf(buf, PAGE_SIZE, "fc\n"); | |
527 | } | |
528 | return snprintf(buf, PAGE_SIZE, "unknown\n"); | |
529 | } | |
530 | ||
1ba981fd JS |
531 | /** |
532 | * lpfc_oas_supported_show - Return whether or not Optimized Access Storage | |
533 | * (OAS) is supported. | |
534 | * @dev: class unused variable. | |
535 | * @attr: device attribute, not used. | |
536 | * @buf: on return contains the module description text. | |
537 | * | |
538 | * Returns: size of formatted string. | |
539 | **/ | |
540 | static ssize_t | |
541 | lpfc_oas_supported_show(struct device *dev, struct device_attribute *attr, | |
542 | char *buf) | |
543 | { | |
544 | struct Scsi_Host *shost = class_to_shost(dev); | |
545 | struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; | |
546 | struct lpfc_hba *phba = vport->phba; | |
547 | ||
548 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
549 | phba->sli4_hba.pc_sli4_params.oas_supported); | |
550 | } | |
551 | ||
84d1b006 JS |
552 | /** |
553 | * lpfc_link_state_store - Transition the link_state on an HBA port | |
554 | * @dev: class device that is converted into a Scsi_host. | |
555 | * @attr: device attribute, not used. | |
556 | * @buf: one or more lpfc_polling_flags values. | |
557 | * @count: not used. | |
558 | * | |
559 | * Returns: | |
560 | * -EINVAL if the buffer is not "up" or "down" | |
561 | * return from link state change function if non-zero | |
562 | * length of the buf on success | |
563 | **/ | |
564 | static ssize_t | |
565 | lpfc_link_state_store(struct device *dev, struct device_attribute *attr, | |
566 | const char *buf, size_t count) | |
567 | { | |
568 | struct Scsi_Host *shost = class_to_shost(dev); | |
569 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
570 | struct lpfc_hba *phba = vport->phba; | |
571 | ||
572 | int status = -EINVAL; | |
573 | ||
574 | if ((strncmp(buf, "up", sizeof("up") - 1) == 0) && | |
575 | (phba->link_state == LPFC_LINK_DOWN)) | |
6e7288d9 | 576 | status = phba->lpfc_hba_init_link(phba, MBX_NOWAIT); |
84d1b006 JS |
577 | else if ((strncmp(buf, "down", sizeof("down") - 1) == 0) && |
578 | (phba->link_state >= LPFC_LINK_UP)) | |
6e7288d9 | 579 | status = phba->lpfc_hba_down_link(phba, MBX_NOWAIT); |
84d1b006 JS |
580 | |
581 | if (status == 0) | |
582 | return strlen(buf); | |
583 | else | |
584 | return status; | |
585 | } | |
586 | ||
e59058c4 | 587 | /** |
3621a710 | 588 | * lpfc_num_discovered_ports_show - Return sum of mapped and unmapped vports |
e59058c4 JS |
589 | * @dev: class device that is converted into a Scsi_host. |
590 | * @attr: device attribute, not used. | |
591 | * @buf: on return contains the sum of fc mapped and unmapped. | |
592 | * | |
593 | * Description: | |
594 | * Returns the ascii text number of the sum of the fc mapped and unmapped | |
595 | * vport counts. | |
596 | * | |
597 | * Returns: size of formatted string. | |
598 | **/ | |
dea3101e | 599 | static ssize_t |
ee959b00 TJ |
600 | lpfc_num_discovered_ports_show(struct device *dev, |
601 | struct device_attribute *attr, char *buf) | |
dea3101e | 602 | { |
ee959b00 | 603 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
604 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
605 | ||
606 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
607 | vport->fc_map_cnt + vport->fc_unmap_cnt); | |
dea3101e | 608 | } |
609 | ||
e59058c4 | 610 | /** |
3621a710 | 611 | * lpfc_issue_lip - Misnomer, name carried over from long ago |
e59058c4 JS |
612 | * @shost: Scsi_Host pointer. |
613 | * | |
614 | * Description: | |
615 | * Bring the link down gracefully then re-init the link. The firmware will | |
616 | * re-init the fiber channel interface as required. Does not issue a LIP. | |
617 | * | |
618 | * Returns: | |
619 | * -EPERM port offline or management commands are being blocked | |
620 | * -ENOMEM cannot allocate memory for the mailbox command | |
621 | * -EIO error sending the mailbox command | |
622 | * zero for success | |
623 | **/ | |
91ca7b01 | 624 | static int |
2e0fef85 | 625 | lpfc_issue_lip(struct Scsi_Host *shost) |
dea3101e | 626 | { |
2e0fef85 JS |
627 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
628 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 629 | LPFC_MBOXQ_t *pmboxq; |
630 | int mbxstatus = MBXERR_ERROR; | |
631 | ||
2e0fef85 | 632 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
83108bd3 | 633 | (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)) |
dea3101e | 634 | return -EPERM; |
635 | ||
636 | pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL); | |
637 | ||
638 | if (!pmboxq) | |
639 | return -ENOMEM; | |
640 | ||
641 | memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t)); | |
04c68496 JS |
642 | pmboxq->u.mb.mbxCommand = MBX_DOWN_LINK; |
643 | pmboxq->u.mb.mbxOwner = OWN_HOST; | |
4db621e0 | 644 | |
33ccf8d1 | 645 | mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO * 2); |
dea3101e | 646 | |
04c68496 JS |
647 | if ((mbxstatus == MBX_SUCCESS) && |
648 | (pmboxq->u.mb.mbxStatus == 0 || | |
649 | pmboxq->u.mb.mbxStatus == MBXERR_LINK_DOWN)) { | |
4db621e0 JS |
650 | memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t)); |
651 | lpfc_init_link(phba, pmboxq, phba->cfg_topology, | |
652 | phba->cfg_link_speed); | |
653 | mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, | |
654 | phba->fc_ratov * 2); | |
dcf2a4e0 JS |
655 | if ((mbxstatus == MBX_SUCCESS) && |
656 | (pmboxq->u.mb.mbxStatus == MBXERR_SEC_NO_PERMISSION)) | |
657 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
658 | "2859 SLI authentication is required " | |
659 | "for INIT_LINK but has not done yet\n"); | |
4db621e0 JS |
660 | } |
661 | ||
5b8bd0c9 | 662 | lpfc_set_loopback_flag(phba); |
858c9f6c | 663 | if (mbxstatus != MBX_TIMEOUT) |
433c3579 | 664 | mempool_free(pmboxq, phba->mbox_mem_pool); |
dea3101e | 665 | |
666 | if (mbxstatus == MBXERR_ERROR) | |
667 | return -EIO; | |
668 | ||
91ca7b01 | 669 | return 0; |
dea3101e | 670 | } |
671 | ||
e59058c4 | 672 | /** |
3621a710 | 673 | * lpfc_do_offline - Issues a mailbox command to bring the link down |
e59058c4 JS |
674 | * @phba: lpfc_hba pointer. |
675 | * @type: LPFC_EVT_OFFLINE, LPFC_EVT_WARM_START, LPFC_EVT_KILL. | |
676 | * | |
677 | * Notes: | |
678 | * Assumes any error from lpfc_do_offline() will be negative. | |
679 | * Can wait up to 5 seconds for the port ring buffers count | |
680 | * to reach zero, prints a warning if it is not zero and continues. | |
3621a710 | 681 | * lpfc_workq_post_event() returns a non-zero return code if call fails. |
e59058c4 JS |
682 | * |
683 | * Returns: | |
684 | * -EIO error posting the event | |
685 | * zero for success | |
686 | **/ | |
40496f07 | 687 | static int |
46fa311e | 688 | lpfc_do_offline(struct lpfc_hba *phba, uint32_t type) |
40496f07 JS |
689 | { |
690 | struct completion online_compl; | |
46fa311e JS |
691 | struct lpfc_sli_ring *pring; |
692 | struct lpfc_sli *psli; | |
40496f07 | 693 | int status = 0; |
46fa311e JS |
694 | int cnt = 0; |
695 | int i; | |
fedd3b7b | 696 | int rc; |
40496f07 JS |
697 | |
698 | init_completion(&online_compl); | |
fedd3b7b | 699 | rc = lpfc_workq_post_event(phba, &status, &online_compl, |
46fa311e | 700 | LPFC_EVT_OFFLINE_PREP); |
fedd3b7b JS |
701 | if (rc == 0) |
702 | return -ENOMEM; | |
703 | ||
46fa311e JS |
704 | wait_for_completion(&online_compl); |
705 | ||
706 | if (status != 0) | |
707 | return -EIO; | |
708 | ||
709 | psli = &phba->sli; | |
710 | ||
09372820 JS |
711 | /* Wait a little for things to settle down, but not |
712 | * long enough for dev loss timeout to expire. | |
713 | */ | |
46fa311e JS |
714 | for (i = 0; i < psli->num_rings; i++) { |
715 | pring = &psli->ring[i]; | |
0e9bb8d7 | 716 | while (!list_empty(&pring->txcmplq)) { |
46fa311e | 717 | msleep(10); |
09372820 | 718 | if (cnt++ > 500) { /* 5 secs */ |
46fa311e JS |
719 | lpfc_printf_log(phba, |
720 | KERN_WARNING, LOG_INIT, | |
e8b62011 JS |
721 | "0466 Outstanding IO when " |
722 | "bringing Adapter offline\n"); | |
46fa311e JS |
723 | break; |
724 | } | |
725 | } | |
726 | } | |
727 | ||
728 | init_completion(&online_compl); | |
fedd3b7b JS |
729 | rc = lpfc_workq_post_event(phba, &status, &online_compl, type); |
730 | if (rc == 0) | |
731 | return -ENOMEM; | |
732 | ||
40496f07 JS |
733 | wait_for_completion(&online_compl); |
734 | ||
735 | if (status != 0) | |
736 | return -EIO; | |
737 | ||
46fa311e JS |
738 | return 0; |
739 | } | |
740 | ||
e59058c4 | 741 | /** |
3621a710 | 742 | * lpfc_selective_reset - Offline then onlines the port |
e59058c4 JS |
743 | * @phba: lpfc_hba pointer. |
744 | * | |
745 | * Description: | |
746 | * If the port is configured to allow a reset then the hba is brought | |
747 | * offline then online. | |
748 | * | |
749 | * Notes: | |
750 | * Assumes any error from lpfc_do_offline() will be negative. | |
ab56dc2e | 751 | * Do not make this function static. |
e59058c4 JS |
752 | * |
753 | * Returns: | |
754 | * lpfc_do_offline() return code if not zero | |
755 | * -EIO reset not configured or error posting the event | |
756 | * zero for success | |
757 | **/ | |
7f86059a | 758 | int |
46fa311e JS |
759 | lpfc_selective_reset(struct lpfc_hba *phba) |
760 | { | |
761 | struct completion online_compl; | |
762 | int status = 0; | |
fedd3b7b | 763 | int rc; |
46fa311e | 764 | |
71157c9e | 765 | if (!phba->cfg_enable_hba_reset) |
f7a919b4 | 766 | return -EACCES; |
13815c83 | 767 | |
71157c9e JS |
768 | if (!(phba->pport->fc_flag & FC_OFFLINE_MODE)) { |
769 | status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); | |
46fa311e | 770 | |
71157c9e JS |
771 | if (status != 0) |
772 | return status; | |
773 | } | |
46fa311e | 774 | |
40496f07 | 775 | init_completion(&online_compl); |
fedd3b7b | 776 | rc = lpfc_workq_post_event(phba, &status, &online_compl, |
40496f07 | 777 | LPFC_EVT_ONLINE); |
fedd3b7b JS |
778 | if (rc == 0) |
779 | return -ENOMEM; | |
780 | ||
40496f07 JS |
781 | wait_for_completion(&online_compl); |
782 | ||
783 | if (status != 0) | |
784 | return -EIO; | |
785 | ||
786 | return 0; | |
787 | } | |
788 | ||
e59058c4 | 789 | /** |
3621a710 | 790 | * lpfc_issue_reset - Selectively resets an adapter |
e59058c4 JS |
791 | * @dev: class device that is converted into a Scsi_host. |
792 | * @attr: device attribute, not used. | |
793 | * @buf: containing the string "selective". | |
794 | * @count: unused variable. | |
795 | * | |
796 | * Description: | |
797 | * If the buf contains the string "selective" then lpfc_selective_reset() | |
798 | * is called to perform the reset. | |
799 | * | |
800 | * Notes: | |
801 | * Assumes any error from lpfc_selective_reset() will be negative. | |
802 | * If lpfc_selective_reset() returns zero then the length of the buffer | |
af901ca1 | 803 | * is returned which indicates success |
e59058c4 JS |
804 | * |
805 | * Returns: | |
806 | * -EINVAL if the buffer does not contain the string "selective" | |
807 | * length of buf if lpfc-selective_reset() if the call succeeds | |
808 | * return value of lpfc_selective_reset() if the call fails | |
809 | **/ | |
40496f07 | 810 | static ssize_t |
ee959b00 TJ |
811 | lpfc_issue_reset(struct device *dev, struct device_attribute *attr, |
812 | const char *buf, size_t count) | |
40496f07 | 813 | { |
ee959b00 | 814 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
815 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
816 | struct lpfc_hba *phba = vport->phba; | |
40496f07 JS |
817 | int status = -EINVAL; |
818 | ||
73d91e50 JS |
819 | if (!phba->cfg_enable_hba_reset) |
820 | return -EACCES; | |
821 | ||
40496f07 | 822 | if (strncmp(buf, "selective", sizeof("selective") - 1) == 0) |
7f86059a | 823 | status = phba->lpfc_selective_reset(phba); |
40496f07 JS |
824 | |
825 | if (status == 0) | |
826 | return strlen(buf); | |
827 | else | |
828 | return status; | |
829 | } | |
830 | ||
88a2cfbb JS |
831 | /** |
832 | * lpfc_sli4_pdev_status_reg_wait - Wait for pdev status register for readyness | |
833 | * @phba: lpfc_hba pointer. | |
834 | * | |
835 | * Description: | |
836 | * SLI4 interface type-2 device to wait on the sliport status register for | |
837 | * the readyness after performing a firmware reset. | |
838 | * | |
839 | * Returns: | |
0b1587b1 | 840 | * zero for success, -EPERM when port does not have privilege to perform the |
026abb87 JS |
841 | * reset, -EIO when port timeout from recovering from the reset. |
842 | * | |
843 | * Note: | |
844 | * As the caller will interpret the return code by value, be careful in making | |
845 | * change or addition to return codes. | |
88a2cfbb | 846 | **/ |
73d91e50 | 847 | int |
88a2cfbb JS |
848 | lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *phba) |
849 | { | |
f7a919b4 | 850 | struct lpfc_register portstat_reg = {0}; |
88a2cfbb JS |
851 | int i; |
852 | ||
f7a919b4 | 853 | msleep(100); |
88a2cfbb JS |
854 | lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr, |
855 | &portstat_reg.word0); | |
856 | ||
0b1587b1 | 857 | /* verify if privileged for the request operation */ |
f7a919b4 JS |
858 | if (!bf_get(lpfc_sliport_status_rn, &portstat_reg) && |
859 | !bf_get(lpfc_sliport_status_err, &portstat_reg)) | |
860 | return -EPERM; | |
861 | ||
88a2cfbb JS |
862 | /* wait for the SLI port firmware ready after firmware reset */ |
863 | for (i = 0; i < LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT; i++) { | |
864 | msleep(10); | |
865 | lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr, | |
866 | &portstat_reg.word0); | |
867 | if (!bf_get(lpfc_sliport_status_err, &portstat_reg)) | |
868 | continue; | |
869 | if (!bf_get(lpfc_sliport_status_rn, &portstat_reg)) | |
870 | continue; | |
871 | if (!bf_get(lpfc_sliport_status_rdy, &portstat_reg)) | |
872 | continue; | |
873 | break; | |
874 | } | |
875 | ||
876 | if (i < LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT) | |
877 | return 0; | |
878 | else | |
879 | return -EIO; | |
880 | } | |
881 | ||
c0c11512 | 882 | /** |
52d52440 | 883 | * lpfc_sli4_pdev_reg_request - Request physical dev to perform a register acc |
c0c11512 JS |
884 | * @phba: lpfc_hba pointer. |
885 | * | |
886 | * Description: | |
52d52440 JS |
887 | * Request SLI4 interface type-2 device to perform a physical register set |
888 | * access. | |
c0c11512 JS |
889 | * |
890 | * Returns: | |
891 | * zero for success | |
892 | **/ | |
893 | static ssize_t | |
52d52440 | 894 | lpfc_sli4_pdev_reg_request(struct lpfc_hba *phba, uint32_t opcode) |
c0c11512 JS |
895 | { |
896 | struct completion online_compl; | |
b76f2dc9 | 897 | struct pci_dev *pdev = phba->pcidev; |
026abb87 JS |
898 | uint32_t before_fc_flag; |
899 | uint32_t sriov_nr_virtfn; | |
c0c11512 | 900 | uint32_t reg_val; |
026abb87 JS |
901 | int status = 0, rc = 0; |
902 | int job_posted = 1, sriov_err; | |
c0c11512 JS |
903 | |
904 | if (!phba->cfg_enable_hba_reset) | |
f7a919b4 | 905 | return -EACCES; |
c0c11512 | 906 | |
52d52440 JS |
907 | if ((phba->sli_rev < LPFC_SLI_REV4) || |
908 | (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) != | |
909 | LPFC_SLI_INTF_IF_TYPE_2)) | |
910 | return -EPERM; | |
911 | ||
026abb87 JS |
912 | /* Keep state if we need to restore back */ |
913 | before_fc_flag = phba->pport->fc_flag; | |
914 | sriov_nr_virtfn = phba->cfg_sriov_nr_virtfn; | |
915 | ||
b76f2dc9 JS |
916 | /* Disable SR-IOV virtual functions if enabled */ |
917 | if (phba->cfg_sriov_nr_virtfn) { | |
918 | pci_disable_sriov(pdev); | |
919 | phba->cfg_sriov_nr_virtfn = 0; | |
920 | } | |
229adb0e | 921 | |
0293635e JS |
922 | if (opcode == LPFC_FW_DUMP) |
923 | phba->hba_flag |= HBA_FW_DUMP_OP; | |
924 | ||
c0c11512 JS |
925 | status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); |
926 | ||
0293635e JS |
927 | if (status != 0) { |
928 | phba->hba_flag &= ~HBA_FW_DUMP_OP; | |
c0c11512 | 929 | return status; |
0293635e | 930 | } |
c0c11512 JS |
931 | |
932 | /* wait for the device to be quiesced before firmware reset */ | |
933 | msleep(100); | |
934 | ||
935 | reg_val = readl(phba->sli4_hba.conf_regs_memmap_p + | |
936 | LPFC_CTL_PDEV_CTL_OFFSET); | |
52d52440 JS |
937 | |
938 | if (opcode == LPFC_FW_DUMP) | |
939 | reg_val |= LPFC_FW_DUMP_REQUEST; | |
940 | else if (opcode == LPFC_FW_RESET) | |
941 | reg_val |= LPFC_CTL_PDEV_CTL_FRST; | |
942 | else if (opcode == LPFC_DV_RESET) | |
943 | reg_val |= LPFC_CTL_PDEV_CTL_DRST; | |
944 | ||
c0c11512 JS |
945 | writel(reg_val, phba->sli4_hba.conf_regs_memmap_p + |
946 | LPFC_CTL_PDEV_CTL_OFFSET); | |
947 | /* flush */ | |
948 | readl(phba->sli4_hba.conf_regs_memmap_p + LPFC_CTL_PDEV_CTL_OFFSET); | |
949 | ||
950 | /* delay driver action following IF_TYPE_2 reset */ | |
88a2cfbb JS |
951 | rc = lpfc_sli4_pdev_status_reg_wait(phba); |
952 | ||
026abb87 | 953 | if (rc == -EPERM) { |
0b1587b1 | 954 | /* no privilege for reset */ |
6b5151fd | 955 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
0b1587b1 | 956 | "3150 No privilege to perform the requested " |
6b5151fd | 957 | "access: x%x\n", reg_val); |
026abb87 JS |
958 | } else if (rc == -EIO) { |
959 | /* reset failed, there is nothing more we can do */ | |
6b5151fd JS |
960 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
961 | "3153 Fail to perform the requested " | |
962 | "access: x%x\n", reg_val); | |
f7a919b4 | 963 | return rc; |
026abb87 JS |
964 | } |
965 | ||
966 | /* keep the original port state */ | |
967 | if (before_fc_flag & FC_OFFLINE_MODE) | |
968 | goto out; | |
c0c11512 JS |
969 | |
970 | init_completion(&online_compl); | |
026abb87 JS |
971 | job_posted = lpfc_workq_post_event(phba, &status, &online_compl, |
972 | LPFC_EVT_ONLINE); | |
973 | if (!job_posted) | |
974 | goto out; | |
c0c11512 JS |
975 | |
976 | wait_for_completion(&online_compl); | |
977 | ||
026abb87 JS |
978 | out: |
979 | /* in any case, restore the virtual functions enabled as before */ | |
980 | if (sriov_nr_virtfn) { | |
981 | sriov_err = | |
982 | lpfc_sli_probe_sriov_nr_virtfn(phba, sriov_nr_virtfn); | |
983 | if (!sriov_err) | |
984 | phba->cfg_sriov_nr_virtfn = sriov_nr_virtfn; | |
985 | } | |
c0c11512 | 986 | |
026abb87 JS |
987 | /* return proper error code */ |
988 | if (!rc) { | |
989 | if (!job_posted) | |
990 | rc = -ENOMEM; | |
991 | else if (status) | |
992 | rc = -EIO; | |
993 | } | |
994 | return rc; | |
c0c11512 JS |
995 | } |
996 | ||
e59058c4 | 997 | /** |
3621a710 | 998 | * lpfc_nport_evt_cnt_show - Return the number of nport events |
e59058c4 JS |
999 | * @dev: class device that is converted into a Scsi_host. |
1000 | * @attr: device attribute, not used. | |
1001 | * @buf: on return contains the ascii number of nport events. | |
1002 | * | |
1003 | * Returns: size of formatted string. | |
1004 | **/ | |
dea3101e | 1005 | static ssize_t |
ee959b00 TJ |
1006 | lpfc_nport_evt_cnt_show(struct device *dev, struct device_attribute *attr, |
1007 | char *buf) | |
dea3101e | 1008 | { |
ee959b00 | 1009 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1010 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1011 | struct lpfc_hba *phba = vport->phba; | |
1012 | ||
dea3101e | 1013 | return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt); |
1014 | } | |
1015 | ||
e59058c4 | 1016 | /** |
3621a710 | 1017 | * lpfc_board_mode_show - Return the state of the board |
e59058c4 JS |
1018 | * @dev: class device that is converted into a Scsi_host. |
1019 | * @attr: device attribute, not used. | |
1020 | * @buf: on return contains the state of the adapter. | |
1021 | * | |
1022 | * Returns: size of formatted string. | |
1023 | **/ | |
41415862 | 1024 | static ssize_t |
ee959b00 TJ |
1025 | lpfc_board_mode_show(struct device *dev, struct device_attribute *attr, |
1026 | char *buf) | |
41415862 | 1027 | { |
ee959b00 | 1028 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1029 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1030 | struct lpfc_hba *phba = vport->phba; | |
41415862 JW |
1031 | char * state; |
1032 | ||
2e0fef85 | 1033 | if (phba->link_state == LPFC_HBA_ERROR) |
41415862 | 1034 | state = "error"; |
2e0fef85 | 1035 | else if (phba->link_state == LPFC_WARM_START) |
41415862 | 1036 | state = "warm start"; |
2e0fef85 | 1037 | else if (phba->link_state == LPFC_INIT_START) |
41415862 JW |
1038 | state = "offline"; |
1039 | else | |
1040 | state = "online"; | |
1041 | ||
1042 | return snprintf(buf, PAGE_SIZE, "%s\n", state); | |
1043 | } | |
1044 | ||
e59058c4 | 1045 | /** |
3621a710 | 1046 | * lpfc_board_mode_store - Puts the hba in online, offline, warm or error state |
e59058c4 JS |
1047 | * @dev: class device that is converted into a Scsi_host. |
1048 | * @attr: device attribute, not used. | |
1049 | * @buf: containing one of the strings "online", "offline", "warm" or "error". | |
1050 | * @count: unused variable. | |
1051 | * | |
1052 | * Returns: | |
1053 | * -EACCES if enable hba reset not enabled | |
1054 | * -EINVAL if the buffer does not contain a valid string (see above) | |
1055 | * -EIO if lpfc_workq_post_event() or lpfc_do_offline() fails | |
1056 | * buf length greater than zero indicates success | |
1057 | **/ | |
41415862 | 1058 | static ssize_t |
ee959b00 TJ |
1059 | lpfc_board_mode_store(struct device *dev, struct device_attribute *attr, |
1060 | const char *buf, size_t count) | |
41415862 | 1061 | { |
ee959b00 | 1062 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1063 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1064 | struct lpfc_hba *phba = vport->phba; | |
41415862 | 1065 | struct completion online_compl; |
026abb87 JS |
1066 | char *board_mode_str = NULL; |
1067 | int status = 0; | |
fedd3b7b | 1068 | int rc; |
41415862 | 1069 | |
026abb87 JS |
1070 | if (!phba->cfg_enable_hba_reset) { |
1071 | status = -EACCES; | |
1072 | goto board_mode_out; | |
1073 | } | |
88a2cfbb JS |
1074 | |
1075 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
026abb87 | 1076 | "3050 lpfc_board_mode set to %s\n", buf); |
88a2cfbb | 1077 | |
41415862 JW |
1078 | init_completion(&online_compl); |
1079 | ||
46fa311e | 1080 | if(strncmp(buf, "online", sizeof("online") - 1) == 0) { |
fedd3b7b | 1081 | rc = lpfc_workq_post_event(phba, &status, &online_compl, |
41415862 | 1082 | LPFC_EVT_ONLINE); |
026abb87 JS |
1083 | if (rc == 0) { |
1084 | status = -ENOMEM; | |
1085 | goto board_mode_out; | |
1086 | } | |
46fa311e JS |
1087 | wait_for_completion(&online_compl); |
1088 | } else if (strncmp(buf, "offline", sizeof("offline") - 1) == 0) | |
1089 | status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); | |
41415862 | 1090 | else if (strncmp(buf, "warm", sizeof("warm") - 1) == 0) |
6a9c52cf | 1091 | if (phba->sli_rev == LPFC_SLI_REV4) |
026abb87 | 1092 | status = -EINVAL; |
6a9c52cf JS |
1093 | else |
1094 | status = lpfc_do_offline(phba, LPFC_EVT_WARM_START); | |
46fa311e | 1095 | else if (strncmp(buf, "error", sizeof("error") - 1) == 0) |
6a9c52cf | 1096 | if (phba->sli_rev == LPFC_SLI_REV4) |
026abb87 | 1097 | status = -EINVAL; |
6a9c52cf JS |
1098 | else |
1099 | status = lpfc_do_offline(phba, LPFC_EVT_KILL); | |
c0c11512 | 1100 | else if (strncmp(buf, "dump", sizeof("dump") - 1) == 0) |
52d52440 JS |
1101 | status = lpfc_sli4_pdev_reg_request(phba, LPFC_FW_DUMP); |
1102 | else if (strncmp(buf, "fw_reset", sizeof("fw_reset") - 1) == 0) | |
1103 | status = lpfc_sli4_pdev_reg_request(phba, LPFC_FW_RESET); | |
1104 | else if (strncmp(buf, "dv_reset", sizeof("dv_reset") - 1) == 0) | |
1105 | status = lpfc_sli4_pdev_reg_request(phba, LPFC_DV_RESET); | |
41415862 | 1106 | else |
026abb87 | 1107 | status = -EINVAL; |
41415862 | 1108 | |
026abb87 | 1109 | board_mode_out: |
41415862 JW |
1110 | if (!status) |
1111 | return strlen(buf); | |
026abb87 JS |
1112 | else { |
1113 | board_mode_str = strchr(buf, '\n'); | |
1114 | if (board_mode_str) | |
1115 | *board_mode_str = '\0'; | |
1116 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
1117 | "3097 Failed \"%s\", status(%d), " | |
1118 | "fc_flag(x%x)\n", | |
1119 | buf, status, phba->pport->fc_flag); | |
f7a919b4 | 1120 | return status; |
026abb87 | 1121 | } |
41415862 JW |
1122 | } |
1123 | ||
e59058c4 | 1124 | /** |
3621a710 | 1125 | * lpfc_get_hba_info - Return various bits of informaton about the adapter |
e59058c4 | 1126 | * @phba: pointer to the adapter structure. |
3621a710 JS |
1127 | * @mxri: max xri count. |
1128 | * @axri: available xri count. | |
1129 | * @mrpi: max rpi count. | |
1130 | * @arpi: available rpi count. | |
1131 | * @mvpi: max vpi count. | |
1132 | * @avpi: available vpi count. | |
e59058c4 JS |
1133 | * |
1134 | * Description: | |
1135 | * If an integer pointer for an count is not null then the value for the | |
1136 | * count is returned. | |
1137 | * | |
1138 | * Returns: | |
1139 | * zero on error | |
1140 | * one for success | |
1141 | **/ | |
311464ec | 1142 | static int |
858c9f6c JS |
1143 | lpfc_get_hba_info(struct lpfc_hba *phba, |
1144 | uint32_t *mxri, uint32_t *axri, | |
1145 | uint32_t *mrpi, uint32_t *arpi, | |
1146 | uint32_t *mvpi, uint32_t *avpi) | |
92d7f7b0 | 1147 | { |
04c68496 | 1148 | struct lpfc_mbx_read_config *rd_config; |
92d7f7b0 JS |
1149 | LPFC_MBOXQ_t *pmboxq; |
1150 | MAILBOX_t *pmb; | |
1151 | int rc = 0; | |
15672319 | 1152 | uint32_t max_vpi; |
92d7f7b0 JS |
1153 | |
1154 | /* | |
1155 | * prevent udev from issuing mailbox commands until the port is | |
1156 | * configured. | |
1157 | */ | |
1158 | if (phba->link_state < LPFC_LINK_DOWN || | |
1159 | !phba->mbox_mem_pool || | |
f4b4c68f | 1160 | (phba->sli.sli_flag & LPFC_SLI_ACTIVE) == 0) |
92d7f7b0 JS |
1161 | return 0; |
1162 | ||
1163 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) | |
1164 | return 0; | |
1165 | ||
1166 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
1167 | if (!pmboxq) | |
1168 | return 0; | |
1169 | memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); | |
1170 | ||
04c68496 | 1171 | pmb = &pmboxq->u.mb; |
92d7f7b0 JS |
1172 | pmb->mbxCommand = MBX_READ_CONFIG; |
1173 | pmb->mbxOwner = OWN_HOST; | |
1174 | pmboxq->context1 = NULL; | |
1175 | ||
75baf696 | 1176 | if (phba->pport->fc_flag & FC_OFFLINE_MODE) |
92d7f7b0 JS |
1177 | rc = MBX_NOT_FINISHED; |
1178 | else | |
1179 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); | |
1180 | ||
1181 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 1182 | if (rc != MBX_TIMEOUT) |
92d7f7b0 JS |
1183 | mempool_free(pmboxq, phba->mbox_mem_pool); |
1184 | return 0; | |
1185 | } | |
1186 | ||
da0436e9 JS |
1187 | if (phba->sli_rev == LPFC_SLI_REV4) { |
1188 | rd_config = &pmboxq->u.mqe.un.rd_config; | |
1189 | if (mrpi) | |
1190 | *mrpi = bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config); | |
1191 | if (arpi) | |
1192 | *arpi = bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config) - | |
1193 | phba->sli4_hba.max_cfg_param.rpi_used; | |
1194 | if (mxri) | |
1195 | *mxri = bf_get(lpfc_mbx_rd_conf_xri_count, rd_config); | |
1196 | if (axri) | |
1197 | *axri = bf_get(lpfc_mbx_rd_conf_xri_count, rd_config) - | |
1198 | phba->sli4_hba.max_cfg_param.xri_used; | |
15672319 JS |
1199 | |
1200 | /* Account for differences with SLI-3. Get vpi count from | |
1201 | * mailbox data and subtract one for max vpi value. | |
1202 | */ | |
1203 | max_vpi = (bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) > 0) ? | |
1204 | (bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) - 1) : 0; | |
1205 | ||
da0436e9 | 1206 | if (mvpi) |
15672319 | 1207 | *mvpi = max_vpi; |
da0436e9 | 1208 | if (avpi) |
15672319 | 1209 | *avpi = max_vpi - phba->sli4_hba.max_cfg_param.vpi_used; |
da0436e9 JS |
1210 | } else { |
1211 | if (mrpi) | |
1212 | *mrpi = pmb->un.varRdConfig.max_rpi; | |
1213 | if (arpi) | |
1214 | *arpi = pmb->un.varRdConfig.avail_rpi; | |
1215 | if (mxri) | |
1216 | *mxri = pmb->un.varRdConfig.max_xri; | |
1217 | if (axri) | |
1218 | *axri = pmb->un.varRdConfig.avail_xri; | |
1219 | if (mvpi) | |
1220 | *mvpi = pmb->un.varRdConfig.max_vpi; | |
1221 | if (avpi) | |
1222 | *avpi = pmb->un.varRdConfig.avail_vpi; | |
1223 | } | |
92d7f7b0 JS |
1224 | |
1225 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
1226 | return 1; | |
1227 | } | |
1228 | ||
e59058c4 | 1229 | /** |
3621a710 | 1230 | * lpfc_max_rpi_show - Return maximum rpi |
e59058c4 JS |
1231 | * @dev: class device that is converted into a Scsi_host. |
1232 | * @attr: device attribute, not used. | |
1233 | * @buf: on return contains the maximum rpi count in decimal or "Unknown". | |
1234 | * | |
1235 | * Description: | |
1236 | * Calls lpfc_get_hba_info() asking for just the mrpi count. | |
1237 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
1238 | * to "Unknown" and the buffer length is returned, therefore the caller | |
1239 | * must check for "Unknown" in the buffer to detect a failure. | |
1240 | * | |
1241 | * Returns: size of formatted string. | |
1242 | **/ | |
92d7f7b0 | 1243 | static ssize_t |
ee959b00 TJ |
1244 | lpfc_max_rpi_show(struct device *dev, struct device_attribute *attr, |
1245 | char *buf) | |
92d7f7b0 | 1246 | { |
ee959b00 | 1247 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
1248 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1249 | struct lpfc_hba *phba = vport->phba; | |
1250 | uint32_t cnt; | |
1251 | ||
858c9f6c | 1252 | if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, NULL, NULL, NULL)) |
92d7f7b0 JS |
1253 | return snprintf(buf, PAGE_SIZE, "%d\n", cnt); |
1254 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1255 | } | |
1256 | ||
e59058c4 | 1257 | /** |
3621a710 | 1258 | * lpfc_used_rpi_show - Return maximum rpi minus available rpi |
e59058c4 JS |
1259 | * @dev: class device that is converted into a Scsi_host. |
1260 | * @attr: device attribute, not used. | |
1261 | * @buf: containing the used rpi count in decimal or "Unknown". | |
1262 | * | |
1263 | * Description: | |
1264 | * Calls lpfc_get_hba_info() asking for just the mrpi and arpi counts. | |
1265 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
1266 | * to "Unknown" and the buffer length is returned, therefore the caller | |
1267 | * must check for "Unknown" in the buffer to detect a failure. | |
1268 | * | |
1269 | * Returns: size of formatted string. | |
1270 | **/ | |
92d7f7b0 | 1271 | static ssize_t |
ee959b00 TJ |
1272 | lpfc_used_rpi_show(struct device *dev, struct device_attribute *attr, |
1273 | char *buf) | |
92d7f7b0 | 1274 | { |
ee959b00 | 1275 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
1276 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1277 | struct lpfc_hba *phba = vport->phba; | |
1278 | uint32_t cnt, acnt; | |
1279 | ||
858c9f6c | 1280 | if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, &acnt, NULL, NULL)) |
92d7f7b0 JS |
1281 | return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt)); |
1282 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1283 | } | |
1284 | ||
e59058c4 | 1285 | /** |
3621a710 | 1286 | * lpfc_max_xri_show - Return maximum xri |
e59058c4 JS |
1287 | * @dev: class device that is converted into a Scsi_host. |
1288 | * @attr: device attribute, not used. | |
1289 | * @buf: on return contains the maximum xri count in decimal or "Unknown". | |
1290 | * | |
1291 | * Description: | |
1292 | * Calls lpfc_get_hba_info() asking for just the mrpi count. | |
1293 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
1294 | * to "Unknown" and the buffer length is returned, therefore the caller | |
1295 | * must check for "Unknown" in the buffer to detect a failure. | |
1296 | * | |
1297 | * Returns: size of formatted string. | |
1298 | **/ | |
92d7f7b0 | 1299 | static ssize_t |
ee959b00 TJ |
1300 | lpfc_max_xri_show(struct device *dev, struct device_attribute *attr, |
1301 | char *buf) | |
92d7f7b0 | 1302 | { |
ee959b00 | 1303 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
1304 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1305 | struct lpfc_hba *phba = vport->phba; | |
1306 | uint32_t cnt; | |
1307 | ||
858c9f6c | 1308 | if (lpfc_get_hba_info(phba, &cnt, NULL, NULL, NULL, NULL, NULL)) |
92d7f7b0 JS |
1309 | return snprintf(buf, PAGE_SIZE, "%d\n", cnt); |
1310 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1311 | } | |
1312 | ||
e59058c4 | 1313 | /** |
3621a710 | 1314 | * lpfc_used_xri_show - Return maximum xpi minus the available xpi |
e59058c4 JS |
1315 | * @dev: class device that is converted into a Scsi_host. |
1316 | * @attr: device attribute, not used. | |
1317 | * @buf: on return contains the used xri count in decimal or "Unknown". | |
1318 | * | |
1319 | * Description: | |
1320 | * Calls lpfc_get_hba_info() asking for just the mxri and axri counts. | |
1321 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
1322 | * to "Unknown" and the buffer length is returned, therefore the caller | |
1323 | * must check for "Unknown" in the buffer to detect a failure. | |
1324 | * | |
1325 | * Returns: size of formatted string. | |
1326 | **/ | |
92d7f7b0 | 1327 | static ssize_t |
ee959b00 TJ |
1328 | lpfc_used_xri_show(struct device *dev, struct device_attribute *attr, |
1329 | char *buf) | |
92d7f7b0 | 1330 | { |
ee959b00 | 1331 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
1332 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1333 | struct lpfc_hba *phba = vport->phba; | |
1334 | uint32_t cnt, acnt; | |
1335 | ||
858c9f6c JS |
1336 | if (lpfc_get_hba_info(phba, &cnt, &acnt, NULL, NULL, NULL, NULL)) |
1337 | return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt)); | |
1338 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1339 | } | |
1340 | ||
e59058c4 | 1341 | /** |
3621a710 | 1342 | * lpfc_max_vpi_show - Return maximum vpi |
e59058c4 JS |
1343 | * @dev: class device that is converted into a Scsi_host. |
1344 | * @attr: device attribute, not used. | |
1345 | * @buf: on return contains the maximum vpi count in decimal or "Unknown". | |
1346 | * | |
1347 | * Description: | |
1348 | * Calls lpfc_get_hba_info() asking for just the mvpi count. | |
1349 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
1350 | * to "Unknown" and the buffer length is returned, therefore the caller | |
1351 | * must check for "Unknown" in the buffer to detect a failure. | |
1352 | * | |
1353 | * Returns: size of formatted string. | |
1354 | **/ | |
858c9f6c | 1355 | static ssize_t |
ee959b00 TJ |
1356 | lpfc_max_vpi_show(struct device *dev, struct device_attribute *attr, |
1357 | char *buf) | |
858c9f6c | 1358 | { |
ee959b00 | 1359 | struct Scsi_Host *shost = class_to_shost(dev); |
858c9f6c JS |
1360 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1361 | struct lpfc_hba *phba = vport->phba; | |
1362 | uint32_t cnt; | |
1363 | ||
1364 | if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, NULL)) | |
1365 | return snprintf(buf, PAGE_SIZE, "%d\n", cnt); | |
1366 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1367 | } | |
1368 | ||
e59058c4 | 1369 | /** |
3621a710 | 1370 | * lpfc_used_vpi_show - Return maximum vpi minus the available vpi |
e59058c4 JS |
1371 | * @dev: class device that is converted into a Scsi_host. |
1372 | * @attr: device attribute, not used. | |
1373 | * @buf: on return contains the used vpi count in decimal or "Unknown". | |
1374 | * | |
1375 | * Description: | |
1376 | * Calls lpfc_get_hba_info() asking for just the mvpi and avpi counts. | |
1377 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
1378 | * to "Unknown" and the buffer length is returned, therefore the caller | |
1379 | * must check for "Unknown" in the buffer to detect a failure. | |
1380 | * | |
1381 | * Returns: size of formatted string. | |
1382 | **/ | |
858c9f6c | 1383 | static ssize_t |
ee959b00 TJ |
1384 | lpfc_used_vpi_show(struct device *dev, struct device_attribute *attr, |
1385 | char *buf) | |
858c9f6c | 1386 | { |
ee959b00 | 1387 | struct Scsi_Host *shost = class_to_shost(dev); |
858c9f6c JS |
1388 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1389 | struct lpfc_hba *phba = vport->phba; | |
1390 | uint32_t cnt, acnt; | |
1391 | ||
1392 | if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, &acnt)) | |
92d7f7b0 JS |
1393 | return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt)); |
1394 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1395 | } | |
1396 | ||
e59058c4 | 1397 | /** |
3621a710 | 1398 | * lpfc_npiv_info_show - Return text about NPIV support for the adapter |
e59058c4 JS |
1399 | * @dev: class device that is converted into a Scsi_host. |
1400 | * @attr: device attribute, not used. | |
1401 | * @buf: text that must be interpreted to determine if npiv is supported. | |
1402 | * | |
1403 | * Description: | |
1404 | * Buffer will contain text indicating npiv is not suppoerted on the port, | |
1405 | * the port is an NPIV physical port, or it is an npiv virtual port with | |
1406 | * the id of the vport. | |
1407 | * | |
1408 | * Returns: size of formatted string. | |
1409 | **/ | |
92d7f7b0 | 1410 | static ssize_t |
ee959b00 TJ |
1411 | lpfc_npiv_info_show(struct device *dev, struct device_attribute *attr, |
1412 | char *buf) | |
92d7f7b0 | 1413 | { |
ee959b00 | 1414 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
1415 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1416 | struct lpfc_hba *phba = vport->phba; | |
1417 | ||
1418 | if (!(phba->max_vpi)) | |
1419 | return snprintf(buf, PAGE_SIZE, "NPIV Not Supported\n"); | |
1420 | if (vport->port_type == LPFC_PHYSICAL_PORT) | |
1421 | return snprintf(buf, PAGE_SIZE, "NPIV Physical\n"); | |
1422 | return snprintf(buf, PAGE_SIZE, "NPIV Virtual (VPI %d)\n", vport->vpi); | |
1423 | } | |
1424 | ||
e59058c4 | 1425 | /** |
3621a710 | 1426 | * lpfc_poll_show - Return text about poll support for the adapter |
e59058c4 JS |
1427 | * @dev: class device that is converted into a Scsi_host. |
1428 | * @attr: device attribute, not used. | |
1429 | * @buf: on return contains the cfg_poll in hex. | |
1430 | * | |
1431 | * Notes: | |
1432 | * cfg_poll should be a lpfc_polling_flags type. | |
1433 | * | |
1434 | * Returns: size of formatted string. | |
1435 | **/ | |
875fbdfe | 1436 | static ssize_t |
ee959b00 TJ |
1437 | lpfc_poll_show(struct device *dev, struct device_attribute *attr, |
1438 | char *buf) | |
875fbdfe | 1439 | { |
ee959b00 | 1440 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1441 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1442 | struct lpfc_hba *phba = vport->phba; | |
875fbdfe JSEC |
1443 | |
1444 | return snprintf(buf, PAGE_SIZE, "%#x\n", phba->cfg_poll); | |
1445 | } | |
1446 | ||
e59058c4 | 1447 | /** |
3621a710 | 1448 | * lpfc_poll_store - Set the value of cfg_poll for the adapter |
e59058c4 JS |
1449 | * @dev: class device that is converted into a Scsi_host. |
1450 | * @attr: device attribute, not used. | |
1451 | * @buf: one or more lpfc_polling_flags values. | |
1452 | * @count: not used. | |
1453 | * | |
1454 | * Notes: | |
1455 | * buf contents converted to integer and checked for a valid value. | |
1456 | * | |
1457 | * Returns: | |
1458 | * -EINVAL if the buffer connot be converted or is out of range | |
1459 | * length of the buf on success | |
1460 | **/ | |
875fbdfe | 1461 | static ssize_t |
ee959b00 TJ |
1462 | lpfc_poll_store(struct device *dev, struct device_attribute *attr, |
1463 | const char *buf, size_t count) | |
875fbdfe | 1464 | { |
ee959b00 | 1465 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1466 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1467 | struct lpfc_hba *phba = vport->phba; | |
875fbdfe JSEC |
1468 | uint32_t creg_val; |
1469 | uint32_t old_val; | |
1470 | int val=0; | |
1471 | ||
1472 | if (!isdigit(buf[0])) | |
1473 | return -EINVAL; | |
1474 | ||
1475 | if (sscanf(buf, "%i", &val) != 1) | |
1476 | return -EINVAL; | |
1477 | ||
1478 | if ((val & 0x3) != val) | |
1479 | return -EINVAL; | |
1480 | ||
45ed1190 JS |
1481 | if (phba->sli_rev == LPFC_SLI_REV4) |
1482 | val = 0; | |
1483 | ||
88a2cfbb JS |
1484 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
1485 | "3051 lpfc_poll changed from %d to %d\n", | |
1486 | phba->cfg_poll, val); | |
1487 | ||
2e0fef85 | 1488 | spin_lock_irq(&phba->hbalock); |
875fbdfe JSEC |
1489 | |
1490 | old_val = phba->cfg_poll; | |
1491 | ||
1492 | if (val & ENABLE_FCP_RING_POLLING) { | |
1493 | if ((val & DISABLE_FCP_RING_INT) && | |
1494 | !(old_val & DISABLE_FCP_RING_INT)) { | |
9940b97b JS |
1495 | if (lpfc_readl(phba->HCregaddr, &creg_val)) { |
1496 | spin_unlock_irq(&phba->hbalock); | |
1497 | return -EINVAL; | |
1498 | } | |
875fbdfe JSEC |
1499 | creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING); |
1500 | writel(creg_val, phba->HCregaddr); | |
1501 | readl(phba->HCregaddr); /* flush */ | |
1502 | ||
1503 | lpfc_poll_start_timer(phba); | |
1504 | } | |
1505 | } else if (val != 0x0) { | |
2e0fef85 | 1506 | spin_unlock_irq(&phba->hbalock); |
875fbdfe JSEC |
1507 | return -EINVAL; |
1508 | } | |
1509 | ||
1510 | if (!(val & DISABLE_FCP_RING_INT) && | |
1511 | (old_val & DISABLE_FCP_RING_INT)) | |
1512 | { | |
2e0fef85 | 1513 | spin_unlock_irq(&phba->hbalock); |
875fbdfe | 1514 | del_timer(&phba->fcp_poll_timer); |
2e0fef85 | 1515 | spin_lock_irq(&phba->hbalock); |
9940b97b JS |
1516 | if (lpfc_readl(phba->HCregaddr, &creg_val)) { |
1517 | spin_unlock_irq(&phba->hbalock); | |
1518 | return -EINVAL; | |
1519 | } | |
875fbdfe JSEC |
1520 | creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING); |
1521 | writel(creg_val, phba->HCregaddr); | |
1522 | readl(phba->HCregaddr); /* flush */ | |
1523 | } | |
1524 | ||
1525 | phba->cfg_poll = val; | |
1526 | ||
2e0fef85 | 1527 | spin_unlock_irq(&phba->hbalock); |
875fbdfe JSEC |
1528 | |
1529 | return strlen(buf); | |
1530 | } | |
dea3101e | 1531 | |
bc73905a JS |
1532 | /** |
1533 | * lpfc_fips_level_show - Return the current FIPS level for the HBA | |
1534 | * @dev: class unused variable. | |
1535 | * @attr: device attribute, not used. | |
1536 | * @buf: on return contains the module description text. | |
1537 | * | |
1538 | * Returns: size of formatted string. | |
1539 | **/ | |
1540 | static ssize_t | |
1541 | lpfc_fips_level_show(struct device *dev, struct device_attribute *attr, | |
1542 | char *buf) | |
1543 | { | |
1544 | struct Scsi_Host *shost = class_to_shost(dev); | |
1545 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
1546 | struct lpfc_hba *phba = vport->phba; | |
1547 | ||
1548 | return snprintf(buf, PAGE_SIZE, "%d\n", phba->fips_level); | |
1549 | } | |
1550 | ||
1551 | /** | |
1552 | * lpfc_fips_rev_show - Return the FIPS Spec revision for the HBA | |
1553 | * @dev: class unused variable. | |
1554 | * @attr: device attribute, not used. | |
1555 | * @buf: on return contains the module description text. | |
1556 | * | |
1557 | * Returns: size of formatted string. | |
1558 | **/ | |
1559 | static ssize_t | |
1560 | lpfc_fips_rev_show(struct device *dev, struct device_attribute *attr, | |
1561 | char *buf) | |
1562 | { | |
1563 | struct Scsi_Host *shost = class_to_shost(dev); | |
1564 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
1565 | struct lpfc_hba *phba = vport->phba; | |
1566 | ||
1567 | return snprintf(buf, PAGE_SIZE, "%d\n", phba->fips_spec_rev); | |
1568 | } | |
1569 | ||
ab56dc2e JS |
1570 | /** |
1571 | * lpfc_dss_show - Return the current state of dss and the configured state | |
1572 | * @dev: class converted to a Scsi_host structure. | |
1573 | * @attr: device attribute, not used. | |
1574 | * @buf: on return contains the formatted text. | |
1575 | * | |
1576 | * Returns: size of formatted string. | |
1577 | **/ | |
1578 | static ssize_t | |
1579 | lpfc_dss_show(struct device *dev, struct device_attribute *attr, | |
1580 | char *buf) | |
1581 | { | |
1582 | struct Scsi_Host *shost = class_to_shost(dev); | |
1583 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
1584 | struct lpfc_hba *phba = vport->phba; | |
1585 | ||
1586 | return snprintf(buf, PAGE_SIZE, "%s - %sOperational\n", | |
1587 | (phba->cfg_enable_dss) ? "Enabled" : "Disabled", | |
1588 | (phba->sli3_options & LPFC_SLI3_DSS_ENABLED) ? | |
1589 | "" : "Not "); | |
1590 | } | |
1591 | ||
912e3acd JS |
1592 | /** |
1593 | * lpfc_sriov_hw_max_virtfn_show - Return maximum number of virtual functions | |
1594 | * @dev: class converted to a Scsi_host structure. | |
1595 | * @attr: device attribute, not used. | |
1596 | * @buf: on return contains the formatted support level. | |
1597 | * | |
1598 | * Description: | |
1599 | * Returns the maximum number of virtual functions a physical function can | |
1600 | * support, 0 will be returned if called on virtual function. | |
1601 | * | |
1602 | * Returns: size of formatted string. | |
1603 | **/ | |
1604 | static ssize_t | |
1605 | lpfc_sriov_hw_max_virtfn_show(struct device *dev, | |
1606 | struct device_attribute *attr, | |
1607 | char *buf) | |
1608 | { | |
1609 | struct Scsi_Host *shost = class_to_shost(dev); | |
1610 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
1611 | struct lpfc_hba *phba = vport->phba; | |
0a96e975 | 1612 | uint16_t max_nr_virtfn; |
912e3acd | 1613 | |
0a96e975 JS |
1614 | max_nr_virtfn = lpfc_sli_sriov_nr_virtfn_get(phba); |
1615 | return snprintf(buf, PAGE_SIZE, "%d\n", max_nr_virtfn); | |
912e3acd JS |
1616 | } |
1617 | ||
e59058c4 | 1618 | /** |
3621a710 | 1619 | * lpfc_param_show - Return a cfg attribute value in decimal |
e59058c4 JS |
1620 | * |
1621 | * Description: | |
1622 | * Macro that given an attr e.g. hba_queue_depth expands | |
1623 | * into a function with the name lpfc_hba_queue_depth_show. | |
1624 | * | |
1625 | * lpfc_##attr##_show: Return the decimal value of an adapters cfg_xxx field. | |
1626 | * @dev: class device that is converted into a Scsi_host. | |
1627 | * @attr: device attribute, not used. | |
1628 | * @buf: on return contains the attribute value in decimal. | |
1629 | * | |
1630 | * Returns: size of formatted string. | |
1631 | **/ | |
dea3101e | 1632 | #define lpfc_param_show(attr) \ |
1633 | static ssize_t \ | |
ee959b00 TJ |
1634 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
1635 | char *buf) \ | |
dea3101e | 1636 | { \ |
ee959b00 | 1637 | struct Scsi_Host *shost = class_to_shost(dev);\ |
2e0fef85 JS |
1638 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
1639 | struct lpfc_hba *phba = vport->phba;\ | |
84d1b006 | 1640 | uint val = 0;\ |
7bcbb752 JSEC |
1641 | val = phba->cfg_##attr;\ |
1642 | return snprintf(buf, PAGE_SIZE, "%d\n",\ | |
1643 | phba->cfg_##attr);\ | |
1644 | } | |
1645 | ||
e59058c4 | 1646 | /** |
3621a710 | 1647 | * lpfc_param_hex_show - Return a cfg attribute value in hex |
e59058c4 JS |
1648 | * |
1649 | * Description: | |
1650 | * Macro that given an attr e.g. hba_queue_depth expands | |
1651 | * into a function with the name lpfc_hba_queue_depth_show | |
1652 | * | |
1653 | * lpfc_##attr##_show: Return the hex value of an adapters cfg_xxx field. | |
1654 | * @dev: class device that is converted into a Scsi_host. | |
1655 | * @attr: device attribute, not used. | |
3621a710 | 1656 | * @buf: on return contains the attribute value in hexadecimal. |
e59058c4 JS |
1657 | * |
1658 | * Returns: size of formatted string. | |
1659 | **/ | |
93a20f74 JSEC |
1660 | #define lpfc_param_hex_show(attr) \ |
1661 | static ssize_t \ | |
ee959b00 TJ |
1662 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
1663 | char *buf) \ | |
93a20f74 | 1664 | { \ |
ee959b00 | 1665 | struct Scsi_Host *shost = class_to_shost(dev);\ |
2e0fef85 JS |
1666 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
1667 | struct lpfc_hba *phba = vport->phba;\ | |
84d1b006 | 1668 | uint val = 0;\ |
93a20f74 JSEC |
1669 | val = phba->cfg_##attr;\ |
1670 | return snprintf(buf, PAGE_SIZE, "%#x\n",\ | |
1671 | phba->cfg_##attr);\ | |
1672 | } | |
1673 | ||
e59058c4 | 1674 | /** |
b595076a | 1675 | * lpfc_param_init - Initializes a cfg attribute |
e59058c4 JS |
1676 | * |
1677 | * Description: | |
1678 | * Macro that given an attr e.g. hba_queue_depth expands | |
1679 | * into a function with the name lpfc_hba_queue_depth_init. The macro also | |
1680 | * takes a default argument, a minimum and maximum argument. | |
1681 | * | |
1682 | * lpfc_##attr##_init: Initializes an attribute. | |
1683 | * @phba: pointer the the adapter structure. | |
1684 | * @val: integer attribute value. | |
1685 | * | |
1686 | * Validates the min and max values then sets the adapter config field | |
1687 | * accordingly, or uses the default if out of range and prints an error message. | |
1688 | * | |
1689 | * Returns: | |
1690 | * zero on success | |
1691 | * -EINVAL if default used | |
1692 | **/ | |
7bcbb752 JSEC |
1693 | #define lpfc_param_init(attr, default, minval, maxval) \ |
1694 | static int \ | |
84d1b006 | 1695 | lpfc_##attr##_init(struct lpfc_hba *phba, uint val) \ |
7bcbb752 JSEC |
1696 | { \ |
1697 | if (val >= minval && val <= maxval) {\ | |
1698 | phba->cfg_##attr = val;\ | |
1699 | return 0;\ | |
dea3101e | 1700 | }\ |
7bcbb752 | 1701 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \ |
e8b62011 JS |
1702 | "0449 lpfc_"#attr" attribute cannot be set to %d, "\ |
1703 | "allowed range is ["#minval", "#maxval"]\n", val); \ | |
7bcbb752 JSEC |
1704 | phba->cfg_##attr = default;\ |
1705 | return -EINVAL;\ | |
dea3101e | 1706 | } |
1707 | ||
e59058c4 | 1708 | /** |
3621a710 | 1709 | * lpfc_param_set - Set a cfg attribute value |
e59058c4 JS |
1710 | * |
1711 | * Description: | |
1712 | * Macro that given an attr e.g. hba_queue_depth expands | |
1713 | * into a function with the name lpfc_hba_queue_depth_set | |
1714 | * | |
1715 | * lpfc_##attr##_set: Sets an attribute value. | |
1716 | * @phba: pointer the the adapter structure. | |
1717 | * @val: integer attribute value. | |
1718 | * | |
1719 | * Description: | |
1720 | * Validates the min and max values then sets the | |
1721 | * adapter config field if in the valid range. prints error message | |
1722 | * and does not set the parameter if invalid. | |
1723 | * | |
1724 | * Returns: | |
1725 | * zero on success | |
1726 | * -EINVAL if val is invalid | |
1727 | **/ | |
7bcbb752 JSEC |
1728 | #define lpfc_param_set(attr, default, minval, maxval) \ |
1729 | static int \ | |
84d1b006 | 1730 | lpfc_##attr##_set(struct lpfc_hba *phba, uint val) \ |
7bcbb752 JSEC |
1731 | { \ |
1732 | if (val >= minval && val <= maxval) {\ | |
88a2cfbb JS |
1733 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \ |
1734 | "3052 lpfc_" #attr " changed from %d to %d\n", \ | |
1735 | phba->cfg_##attr, val); \ | |
7bcbb752 JSEC |
1736 | phba->cfg_##attr = val;\ |
1737 | return 0;\ | |
1738 | }\ | |
1739 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \ | |
e8b62011 JS |
1740 | "0450 lpfc_"#attr" attribute cannot be set to %d, "\ |
1741 | "allowed range is ["#minval", "#maxval"]\n", val); \ | |
7bcbb752 JSEC |
1742 | return -EINVAL;\ |
1743 | } | |
1744 | ||
e59058c4 | 1745 | /** |
3621a710 | 1746 | * lpfc_param_store - Set a vport attribute value |
e59058c4 JS |
1747 | * |
1748 | * Description: | |
1749 | * Macro that given an attr e.g. hba_queue_depth expands | |
1750 | * into a function with the name lpfc_hba_queue_depth_store. | |
1751 | * | |
1752 | * lpfc_##attr##_store: Set an sttribute value. | |
1753 | * @dev: class device that is converted into a Scsi_host. | |
1754 | * @attr: device attribute, not used. | |
1755 | * @buf: contains the attribute value in ascii. | |
1756 | * @count: not used. | |
1757 | * | |
1758 | * Description: | |
1759 | * Convert the ascii text number to an integer, then | |
1760 | * use the lpfc_##attr##_set function to set the value. | |
1761 | * | |
1762 | * Returns: | |
1763 | * -EINVAL if val is invalid or lpfc_##attr##_set() fails | |
1764 | * length of buffer upon success. | |
1765 | **/ | |
7bcbb752 | 1766 | #define lpfc_param_store(attr) \ |
dea3101e | 1767 | static ssize_t \ |
ee959b00 TJ |
1768 | lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \ |
1769 | const char *buf, size_t count) \ | |
dea3101e | 1770 | { \ |
ee959b00 | 1771 | struct Scsi_Host *shost = class_to_shost(dev);\ |
2e0fef85 JS |
1772 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
1773 | struct lpfc_hba *phba = vport->phba;\ | |
84d1b006 | 1774 | uint val = 0;\ |
93a20f74 JSEC |
1775 | if (!isdigit(buf[0]))\ |
1776 | return -EINVAL;\ | |
1777 | if (sscanf(buf, "%i", &val) != 1)\ | |
1778 | return -EINVAL;\ | |
7bcbb752 | 1779 | if (lpfc_##attr##_set(phba, val) == 0) \ |
755c0d06 | 1780 | return strlen(buf);\ |
7bcbb752 JSEC |
1781 | else \ |
1782 | return -EINVAL;\ | |
dea3101e | 1783 | } |
1784 | ||
e59058c4 | 1785 | /** |
3621a710 | 1786 | * lpfc_vport_param_show - Return decimal formatted cfg attribute value |
e59058c4 JS |
1787 | * |
1788 | * Description: | |
1789 | * Macro that given an attr e.g. hba_queue_depth expands | |
1790 | * into a function with the name lpfc_hba_queue_depth_show | |
1791 | * | |
1792 | * lpfc_##attr##_show: prints the attribute value in decimal. | |
1793 | * @dev: class device that is converted into a Scsi_host. | |
1794 | * @attr: device attribute, not used. | |
1795 | * @buf: on return contains the attribute value in decimal. | |
1796 | * | |
1797 | * Returns: length of formatted string. | |
1798 | **/ | |
3de2a653 JS |
1799 | #define lpfc_vport_param_show(attr) \ |
1800 | static ssize_t \ | |
ee959b00 TJ |
1801 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
1802 | char *buf) \ | |
3de2a653 | 1803 | { \ |
ee959b00 | 1804 | struct Scsi_Host *shost = class_to_shost(dev);\ |
3de2a653 | 1805 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
84d1b006 | 1806 | uint val = 0;\ |
3de2a653 JS |
1807 | val = vport->cfg_##attr;\ |
1808 | return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_##attr);\ | |
1809 | } | |
1810 | ||
e59058c4 | 1811 | /** |
3621a710 | 1812 | * lpfc_vport_param_hex_show - Return hex formatted attribute value |
e59058c4 JS |
1813 | * |
1814 | * Description: | |
1815 | * Macro that given an attr e.g. | |
1816 | * hba_queue_depth expands into a function with the name | |
1817 | * lpfc_hba_queue_depth_show | |
1818 | * | |
3621a710 | 1819 | * lpfc_##attr##_show: prints the attribute value in hexadecimal. |
e59058c4 JS |
1820 | * @dev: class device that is converted into a Scsi_host. |
1821 | * @attr: device attribute, not used. | |
3621a710 | 1822 | * @buf: on return contains the attribute value in hexadecimal. |
e59058c4 JS |
1823 | * |
1824 | * Returns: length of formatted string. | |
1825 | **/ | |
3de2a653 JS |
1826 | #define lpfc_vport_param_hex_show(attr) \ |
1827 | static ssize_t \ | |
ee959b00 TJ |
1828 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
1829 | char *buf) \ | |
3de2a653 | 1830 | { \ |
ee959b00 | 1831 | struct Scsi_Host *shost = class_to_shost(dev);\ |
3de2a653 | 1832 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
84d1b006 | 1833 | uint val = 0;\ |
3de2a653 JS |
1834 | val = vport->cfg_##attr;\ |
1835 | return snprintf(buf, PAGE_SIZE, "%#x\n", vport->cfg_##attr);\ | |
1836 | } | |
1837 | ||
e59058c4 | 1838 | /** |
3621a710 | 1839 | * lpfc_vport_param_init - Initialize a vport cfg attribute |
e59058c4 JS |
1840 | * |
1841 | * Description: | |
1842 | * Macro that given an attr e.g. hba_queue_depth expands | |
1843 | * into a function with the name lpfc_hba_queue_depth_init. The macro also | |
1844 | * takes a default argument, a minimum and maximum argument. | |
1845 | * | |
1846 | * lpfc_##attr##_init: validates the min and max values then sets the | |
1847 | * adapter config field accordingly, or uses the default if out of range | |
1848 | * and prints an error message. | |
1849 | * @phba: pointer the the adapter structure. | |
1850 | * @val: integer attribute value. | |
1851 | * | |
1852 | * Returns: | |
1853 | * zero on success | |
1854 | * -EINVAL if default used | |
1855 | **/ | |
3de2a653 JS |
1856 | #define lpfc_vport_param_init(attr, default, minval, maxval) \ |
1857 | static int \ | |
84d1b006 | 1858 | lpfc_##attr##_init(struct lpfc_vport *vport, uint val) \ |
3de2a653 JS |
1859 | { \ |
1860 | if (val >= minval && val <= maxval) {\ | |
1861 | vport->cfg_##attr = val;\ | |
1862 | return 0;\ | |
1863 | }\ | |
e8b62011 | 1864 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \ |
d7c255b2 | 1865 | "0423 lpfc_"#attr" attribute cannot be set to %d, "\ |
e8b62011 | 1866 | "allowed range is ["#minval", "#maxval"]\n", val); \ |
3de2a653 JS |
1867 | vport->cfg_##attr = default;\ |
1868 | return -EINVAL;\ | |
1869 | } | |
1870 | ||
e59058c4 | 1871 | /** |
3621a710 | 1872 | * lpfc_vport_param_set - Set a vport cfg attribute |
e59058c4 JS |
1873 | * |
1874 | * Description: | |
1875 | * Macro that given an attr e.g. hba_queue_depth expands | |
1876 | * into a function with the name lpfc_hba_queue_depth_set | |
1877 | * | |
1878 | * lpfc_##attr##_set: validates the min and max values then sets the | |
1879 | * adapter config field if in the valid range. prints error message | |
1880 | * and does not set the parameter if invalid. | |
1881 | * @phba: pointer the the adapter structure. | |
1882 | * @val: integer attribute value. | |
1883 | * | |
1884 | * Returns: | |
1885 | * zero on success | |
1886 | * -EINVAL if val is invalid | |
1887 | **/ | |
3de2a653 JS |
1888 | #define lpfc_vport_param_set(attr, default, minval, maxval) \ |
1889 | static int \ | |
84d1b006 | 1890 | lpfc_##attr##_set(struct lpfc_vport *vport, uint val) \ |
3de2a653 JS |
1891 | { \ |
1892 | if (val >= minval && val <= maxval) {\ | |
88a2cfbb | 1893 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \ |
14660f4f JS |
1894 | "3053 lpfc_" #attr \ |
1895 | " changed from %d (x%x) to %d (x%x)\n", \ | |
1896 | vport->cfg_##attr, vport->cfg_##attr, \ | |
1897 | val, val); \ | |
3de2a653 JS |
1898 | vport->cfg_##attr = val;\ |
1899 | return 0;\ | |
1900 | }\ | |
e8b62011 | 1901 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \ |
d7c255b2 | 1902 | "0424 lpfc_"#attr" attribute cannot be set to %d, "\ |
e8b62011 | 1903 | "allowed range is ["#minval", "#maxval"]\n", val); \ |
3de2a653 JS |
1904 | return -EINVAL;\ |
1905 | } | |
1906 | ||
e59058c4 | 1907 | /** |
3621a710 | 1908 | * lpfc_vport_param_store - Set a vport attribute |
e59058c4 JS |
1909 | * |
1910 | * Description: | |
1911 | * Macro that given an attr e.g. hba_queue_depth | |
1912 | * expands into a function with the name lpfc_hba_queue_depth_store | |
1913 | * | |
1914 | * lpfc_##attr##_store: convert the ascii text number to an integer, then | |
1915 | * use the lpfc_##attr##_set function to set the value. | |
1916 | * @cdev: class device that is converted into a Scsi_host. | |
1917 | * @buf: contains the attribute value in decimal. | |
1918 | * @count: not used. | |
1919 | * | |
1920 | * Returns: | |
1921 | * -EINVAL if val is invalid or lpfc_##attr##_set() fails | |
1922 | * length of buffer upon success. | |
1923 | **/ | |
3de2a653 JS |
1924 | #define lpfc_vport_param_store(attr) \ |
1925 | static ssize_t \ | |
ee959b00 TJ |
1926 | lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \ |
1927 | const char *buf, size_t count) \ | |
3de2a653 | 1928 | { \ |
ee959b00 | 1929 | struct Scsi_Host *shost = class_to_shost(dev);\ |
3de2a653 | 1930 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
84d1b006 | 1931 | uint val = 0;\ |
3de2a653 JS |
1932 | if (!isdigit(buf[0]))\ |
1933 | return -EINVAL;\ | |
1934 | if (sscanf(buf, "%i", &val) != 1)\ | |
1935 | return -EINVAL;\ | |
1936 | if (lpfc_##attr##_set(vport, val) == 0) \ | |
1937 | return strlen(buf);\ | |
1938 | else \ | |
1939 | return -EINVAL;\ | |
1940 | } | |
1941 | ||
1942 | ||
7bcbb752 | 1943 | #define LPFC_ATTR(name, defval, minval, maxval, desc) \ |
84d1b006 | 1944 | static uint lpfc_##name = defval;\ |
ab56dc2e | 1945 | module_param(lpfc_##name, uint, S_IRUGO);\ |
dea3101e | 1946 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
7bcbb752 | 1947 | lpfc_param_init(name, defval, minval, maxval) |
dea3101e | 1948 | |
1949 | #define LPFC_ATTR_R(name, defval, minval, maxval, desc) \ | |
84d1b006 | 1950 | static uint lpfc_##name = defval;\ |
ab56dc2e | 1951 | module_param(lpfc_##name, uint, S_IRUGO);\ |
dea3101e | 1952 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1953 | lpfc_param_show(name)\ | |
7bcbb752 | 1954 | lpfc_param_init(name, defval, minval, maxval)\ |
ee959b00 | 1955 | static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
dea3101e | 1956 | |
1957 | #define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \ | |
84d1b006 | 1958 | static uint lpfc_##name = defval;\ |
ab56dc2e | 1959 | module_param(lpfc_##name, uint, S_IRUGO);\ |
dea3101e | 1960 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1961 | lpfc_param_show(name)\ | |
7bcbb752 JSEC |
1962 | lpfc_param_init(name, defval, minval, maxval)\ |
1963 | lpfc_param_set(name, defval, minval, maxval)\ | |
1964 | lpfc_param_store(name)\ | |
ee959b00 TJ |
1965 | static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
1966 | lpfc_##name##_show, lpfc_##name##_store) | |
dea3101e | 1967 | |
93a20f74 | 1968 | #define LPFC_ATTR_HEX_R(name, defval, minval, maxval, desc) \ |
84d1b006 | 1969 | static uint lpfc_##name = defval;\ |
ab56dc2e | 1970 | module_param(lpfc_##name, uint, S_IRUGO);\ |
93a20f74 JSEC |
1971 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1972 | lpfc_param_hex_show(name)\ | |
1973 | lpfc_param_init(name, defval, minval, maxval)\ | |
ee959b00 | 1974 | static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
93a20f74 JSEC |
1975 | |
1976 | #define LPFC_ATTR_HEX_RW(name, defval, minval, maxval, desc) \ | |
84d1b006 | 1977 | static uint lpfc_##name = defval;\ |
ab56dc2e | 1978 | module_param(lpfc_##name, uint, S_IRUGO);\ |
93a20f74 JSEC |
1979 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1980 | lpfc_param_hex_show(name)\ | |
1981 | lpfc_param_init(name, defval, minval, maxval)\ | |
1982 | lpfc_param_set(name, defval, minval, maxval)\ | |
1983 | lpfc_param_store(name)\ | |
ee959b00 TJ |
1984 | static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
1985 | lpfc_##name##_show, lpfc_##name##_store) | |
93a20f74 | 1986 | |
3de2a653 | 1987 | #define LPFC_VPORT_ATTR(name, defval, minval, maxval, desc) \ |
84d1b006 | 1988 | static uint lpfc_##name = defval;\ |
ab56dc2e | 1989 | module_param(lpfc_##name, uint, S_IRUGO);\ |
3de2a653 JS |
1990 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1991 | lpfc_vport_param_init(name, defval, minval, maxval) | |
1992 | ||
1993 | #define LPFC_VPORT_ATTR_R(name, defval, minval, maxval, desc) \ | |
84d1b006 | 1994 | static uint lpfc_##name = defval;\ |
ab56dc2e | 1995 | module_param(lpfc_##name, uint, S_IRUGO);\ |
3de2a653 JS |
1996 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1997 | lpfc_vport_param_show(name)\ | |
1998 | lpfc_vport_param_init(name, defval, minval, maxval)\ | |
ee959b00 | 1999 | static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
3de2a653 | 2000 | |
1abf635d HR |
2001 | #define LPFC_VPORT_ULL_ATTR_R(name, defval, minval, maxval, desc) \ |
2002 | static uint64_t lpfc_##name = defval;\ | |
2003 | module_param(lpfc_##name, ullong, S_IRUGO);\ | |
2004 | MODULE_PARM_DESC(lpfc_##name, desc);\ | |
2005 | lpfc_vport_param_show(name)\ | |
2006 | lpfc_vport_param_init(name, defval, minval, maxval)\ | |
2007 | static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) | |
2008 | ||
3de2a653 | 2009 | #define LPFC_VPORT_ATTR_RW(name, defval, minval, maxval, desc) \ |
84d1b006 | 2010 | static uint lpfc_##name = defval;\ |
ab56dc2e | 2011 | module_param(lpfc_##name, uint, S_IRUGO);\ |
3de2a653 JS |
2012 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
2013 | lpfc_vport_param_show(name)\ | |
2014 | lpfc_vport_param_init(name, defval, minval, maxval)\ | |
2015 | lpfc_vport_param_set(name, defval, minval, maxval)\ | |
2016 | lpfc_vport_param_store(name)\ | |
ee959b00 TJ |
2017 | static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
2018 | lpfc_##name##_show, lpfc_##name##_store) | |
3de2a653 JS |
2019 | |
2020 | #define LPFC_VPORT_ATTR_HEX_R(name, defval, minval, maxval, desc) \ | |
84d1b006 | 2021 | static uint lpfc_##name = defval;\ |
ab56dc2e | 2022 | module_param(lpfc_##name, uint, S_IRUGO);\ |
3de2a653 JS |
2023 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
2024 | lpfc_vport_param_hex_show(name)\ | |
2025 | lpfc_vport_param_init(name, defval, minval, maxval)\ | |
ee959b00 | 2026 | static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
3de2a653 JS |
2027 | |
2028 | #define LPFC_VPORT_ATTR_HEX_RW(name, defval, minval, maxval, desc) \ | |
84d1b006 | 2029 | static uint lpfc_##name = defval;\ |
ab56dc2e | 2030 | module_param(lpfc_##name, uint, S_IRUGO);\ |
3de2a653 JS |
2031 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
2032 | lpfc_vport_param_hex_show(name)\ | |
2033 | lpfc_vport_param_init(name, defval, minval, maxval)\ | |
2034 | lpfc_vport_param_set(name, defval, minval, maxval)\ | |
2035 | lpfc_vport_param_store(name)\ | |
ee959b00 TJ |
2036 | static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
2037 | lpfc_##name##_show, lpfc_##name##_store) | |
2038 | ||
81301a9b JS |
2039 | static DEVICE_ATTR(bg_info, S_IRUGO, lpfc_bg_info_show, NULL); |
2040 | static DEVICE_ATTR(bg_guard_err, S_IRUGO, lpfc_bg_guard_err_show, NULL); | |
2041 | static DEVICE_ATTR(bg_apptag_err, S_IRUGO, lpfc_bg_apptag_err_show, NULL); | |
2042 | static DEVICE_ATTR(bg_reftag_err, S_IRUGO, lpfc_bg_reftag_err_show, NULL); | |
ee959b00 TJ |
2043 | static DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL); |
2044 | static DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL); | |
2045 | static DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL); | |
2046 | static DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL); | |
2047 | static DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL); | |
2048 | static DEVICE_ATTR(portnum, S_IRUGO, lpfc_vportnum_show, NULL); | |
2049 | static DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL); | |
2050 | static DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL); | |
84d1b006 JS |
2051 | static DEVICE_ATTR(link_state, S_IRUGO | S_IWUSR, lpfc_link_state_show, |
2052 | lpfc_link_state_store); | |
ee959b00 TJ |
2053 | static DEVICE_ATTR(option_rom_version, S_IRUGO, |
2054 | lpfc_option_rom_version_show, NULL); | |
2055 | static DEVICE_ATTR(num_discovered_ports, S_IRUGO, | |
2056 | lpfc_num_discovered_ports_show, NULL); | |
84774a4d | 2057 | static DEVICE_ATTR(menlo_mgmt_mode, S_IRUGO, lpfc_mlomgmt_show, NULL); |
ee959b00 TJ |
2058 | static DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL); |
2059 | static DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show, NULL); | |
45ed1190 | 2060 | static DEVICE_ATTR(lpfc_enable_fip, S_IRUGO, lpfc_enable_fip_show, NULL); |
ee959b00 TJ |
2061 | static DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR, |
2062 | lpfc_board_mode_show, lpfc_board_mode_store); | |
2063 | static DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset); | |
2064 | static DEVICE_ATTR(max_vpi, S_IRUGO, lpfc_max_vpi_show, NULL); | |
2065 | static DEVICE_ATTR(used_vpi, S_IRUGO, lpfc_used_vpi_show, NULL); | |
2066 | static DEVICE_ATTR(max_rpi, S_IRUGO, lpfc_max_rpi_show, NULL); | |
2067 | static DEVICE_ATTR(used_rpi, S_IRUGO, lpfc_used_rpi_show, NULL); | |
2068 | static DEVICE_ATTR(max_xri, S_IRUGO, lpfc_max_xri_show, NULL); | |
2069 | static DEVICE_ATTR(used_xri, S_IRUGO, lpfc_used_xri_show, NULL); | |
2070 | static DEVICE_ATTR(npiv_info, S_IRUGO, lpfc_npiv_info_show, NULL); | |
2071 | static DEVICE_ATTR(lpfc_temp_sensor, S_IRUGO, lpfc_temp_sensor_show, NULL); | |
bc73905a JS |
2072 | static DEVICE_ATTR(lpfc_fips_level, S_IRUGO, lpfc_fips_level_show, NULL); |
2073 | static DEVICE_ATTR(lpfc_fips_rev, S_IRUGO, lpfc_fips_rev_show, NULL); | |
ab56dc2e | 2074 | static DEVICE_ATTR(lpfc_dss, S_IRUGO, lpfc_dss_show, NULL); |
912e3acd JS |
2075 | static DEVICE_ATTR(lpfc_sriov_hw_max_virtfn, S_IRUGO, |
2076 | lpfc_sriov_hw_max_virtfn_show, NULL); | |
026abb87 | 2077 | static DEVICE_ATTR(protocol, S_IRUGO, lpfc_sli4_protocol_show, NULL); |
1ba981fd JS |
2078 | static DEVICE_ATTR(lpfc_xlane_supported, S_IRUGO, lpfc_oas_supported_show, |
2079 | NULL); | |
c3f28afa | 2080 | |
a12e07bc | 2081 | static char *lpfc_soft_wwn_key = "C99G71SL8032A"; |
1ba981fd JS |
2082 | #define WWN_SZ 8 |
2083 | /** | |
2084 | * lpfc_wwn_set - Convert string to the 8 byte WWN value. | |
2085 | * @buf: WWN string. | |
2086 | * @cnt: Length of string. | |
2087 | * @wwn: Array to receive converted wwn value. | |
2088 | * | |
2089 | * Returns: | |
2090 | * -EINVAL if the buffer does not contain a valid wwn | |
2091 | * 0 success | |
2092 | **/ | |
2093 | static size_t | |
2094 | lpfc_wwn_set(const char *buf, size_t cnt, char wwn[]) | |
2095 | { | |
2096 | unsigned int i, j; | |
2097 | ||
2098 | /* Count may include a LF at end of string */ | |
2099 | if (buf[cnt-1] == '\n') | |
2100 | cnt--; | |
c3f28afa | 2101 | |
1ba981fd JS |
2102 | if ((cnt < 16) || (cnt > 18) || ((cnt == 17) && (*buf++ != 'x')) || |
2103 | ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x')))) | |
2104 | return -EINVAL; | |
2105 | ||
2106 | memset(wwn, 0, WWN_SZ); | |
2107 | ||
2108 | /* Validate and store the new name */ | |
2109 | for (i = 0, j = 0; i < 16; i++) { | |
2110 | if ((*buf >= 'a') && (*buf <= 'f')) | |
2111 | j = ((j << 4) | ((*buf++ - 'a') + 10)); | |
2112 | else if ((*buf >= 'A') && (*buf <= 'F')) | |
2113 | j = ((j << 4) | ((*buf++ - 'A') + 10)); | |
2114 | else if ((*buf >= '0') && (*buf <= '9')) | |
2115 | j = ((j << 4) | (*buf++ - '0')); | |
2116 | else | |
2117 | return -EINVAL; | |
2118 | if (i % 2) { | |
2119 | wwn[i/2] = j & 0xff; | |
2120 | j = 0; | |
2121 | } | |
2122 | } | |
2123 | return 0; | |
2124 | } | |
e59058c4 | 2125 | /** |
3621a710 | 2126 | * lpfc_soft_wwn_enable_store - Allows setting of the wwn if the key is valid |
e59058c4 JS |
2127 | * @dev: class device that is converted into a Scsi_host. |
2128 | * @attr: device attribute, not used. | |
2129 | * @buf: containing the string lpfc_soft_wwn_key. | |
2130 | * @count: must be size of lpfc_soft_wwn_key. | |
2131 | * | |
2132 | * Returns: | |
2133 | * -EINVAL if the buffer does not contain lpfc_soft_wwn_key | |
2134 | * length of buf indicates success | |
2135 | **/ | |
c3f28afa | 2136 | static ssize_t |
ee959b00 TJ |
2137 | lpfc_soft_wwn_enable_store(struct device *dev, struct device_attribute *attr, |
2138 | const char *buf, size_t count) | |
c3f28afa | 2139 | { |
ee959b00 | 2140 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
2141 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
2142 | struct lpfc_hba *phba = vport->phba; | |
c3f28afa JS |
2143 | unsigned int cnt = count; |
2144 | ||
2145 | /* | |
2146 | * We're doing a simple sanity check for soft_wwpn setting. | |
2147 | * We require that the user write a specific key to enable | |
2148 | * the soft_wwpn attribute to be settable. Once the attribute | |
2149 | * is written, the enable key resets. If further updates are | |
2150 | * desired, the key must be written again to re-enable the | |
2151 | * attribute. | |
2152 | * | |
2153 | * The "key" is not secret - it is a hardcoded string shown | |
2154 | * here. The intent is to protect against the random user or | |
2155 | * application that is just writing attributes. | |
2156 | */ | |
2157 | ||
2158 | /* count may include a LF at end of string */ | |
2159 | if (buf[cnt-1] == '\n') | |
2160 | cnt--; | |
2161 | ||
a12e07bc JS |
2162 | if ((cnt != strlen(lpfc_soft_wwn_key)) || |
2163 | (strncmp(buf, lpfc_soft_wwn_key, strlen(lpfc_soft_wwn_key)) != 0)) | |
c3f28afa JS |
2164 | return -EINVAL; |
2165 | ||
a12e07bc | 2166 | phba->soft_wwn_enable = 1; |
c3f28afa JS |
2167 | return count; |
2168 | } | |
ee959b00 TJ |
2169 | static DEVICE_ATTR(lpfc_soft_wwn_enable, S_IWUSR, NULL, |
2170 | lpfc_soft_wwn_enable_store); | |
c3f28afa | 2171 | |
e59058c4 | 2172 | /** |
3621a710 | 2173 | * lpfc_soft_wwpn_show - Return the cfg soft ww port name of the adapter |
e59058c4 JS |
2174 | * @dev: class device that is converted into a Scsi_host. |
2175 | * @attr: device attribute, not used. | |
3621a710 | 2176 | * @buf: on return contains the wwpn in hexadecimal. |
e59058c4 JS |
2177 | * |
2178 | * Returns: size of formatted string. | |
2179 | **/ | |
c3f28afa | 2180 | static ssize_t |
ee959b00 TJ |
2181 | lpfc_soft_wwpn_show(struct device *dev, struct device_attribute *attr, |
2182 | char *buf) | |
c3f28afa | 2183 | { |
ee959b00 | 2184 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
2185 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
2186 | struct lpfc_hba *phba = vport->phba; | |
2187 | ||
afc071e6 RD |
2188 | return snprintf(buf, PAGE_SIZE, "0x%llx\n", |
2189 | (unsigned long long)phba->cfg_soft_wwpn); | |
c3f28afa JS |
2190 | } |
2191 | ||
e59058c4 | 2192 | /** |
3621a710 | 2193 | * lpfc_soft_wwpn_store - Set the ww port name of the adapter |
e59058c4 JS |
2194 | * @dev class device that is converted into a Scsi_host. |
2195 | * @attr: device attribute, not used. | |
3621a710 | 2196 | * @buf: contains the wwpn in hexadecimal. |
e59058c4 JS |
2197 | * @count: number of wwpn bytes in buf |
2198 | * | |
2199 | * Returns: | |
2200 | * -EACCES hba reset not enabled, adapter over temp | |
2201 | * -EINVAL soft wwn not enabled, count is invalid, invalid wwpn byte invalid | |
2202 | * -EIO error taking adapter offline or online | |
2203 | * value of count on success | |
2204 | **/ | |
c3f28afa | 2205 | static ssize_t |
ee959b00 TJ |
2206 | lpfc_soft_wwpn_store(struct device *dev, struct device_attribute *attr, |
2207 | const char *buf, size_t count) | |
c3f28afa | 2208 | { |
ee959b00 | 2209 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
2210 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
2211 | struct lpfc_hba *phba = vport->phba; | |
c3f28afa | 2212 | struct completion online_compl; |
1ba981fd JS |
2213 | int stat1 = 0, stat2 = 0; |
2214 | unsigned int cnt = count; | |
2215 | u8 wwpn[WWN_SZ]; | |
fedd3b7b | 2216 | int rc; |
c3f28afa | 2217 | |
13815c83 JS |
2218 | if (!phba->cfg_enable_hba_reset) |
2219 | return -EACCES; | |
7af67051 JS |
2220 | spin_lock_irq(&phba->hbalock); |
2221 | if (phba->over_temp_state == HBA_OVER_TEMP) { | |
2222 | spin_unlock_irq(&phba->hbalock); | |
09372820 | 2223 | return -EACCES; |
7af67051 JS |
2224 | } |
2225 | spin_unlock_irq(&phba->hbalock); | |
c3f28afa JS |
2226 | /* count may include a LF at end of string */ |
2227 | if (buf[cnt-1] == '\n') | |
2228 | cnt--; | |
2229 | ||
1ba981fd | 2230 | if (!phba->soft_wwn_enable) |
c3f28afa JS |
2231 | return -EINVAL; |
2232 | ||
1ba981fd | 2233 | /* lock setting wwpn, wwnn down */ |
a12e07bc | 2234 | phba->soft_wwn_enable = 0; |
c3f28afa | 2235 | |
1ba981fd JS |
2236 | rc = lpfc_wwn_set(buf, cnt, wwpn); |
2237 | if (!rc) { | |
2238 | /* not able to set wwpn, unlock it */ | |
2239 | phba->soft_wwn_enable = 1; | |
2240 | return rc; | |
c3f28afa | 2241 | } |
1ba981fd | 2242 | |
c3f28afa | 2243 | phba->cfg_soft_wwpn = wwn_to_u64(wwpn); |
2e0fef85 | 2244 | fc_host_port_name(shost) = phba->cfg_soft_wwpn; |
a12e07bc | 2245 | if (phba->cfg_soft_wwnn) |
2e0fef85 | 2246 | fc_host_node_name(shost) = phba->cfg_soft_wwnn; |
c3f28afa JS |
2247 | |
2248 | dev_printk(KERN_NOTICE, &phba->pcidev->dev, | |
2249 | "lpfc%d: Reinitializing to use soft_wwpn\n", phba->brd_no); | |
2250 | ||
46fa311e | 2251 | stat1 = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); |
c3f28afa JS |
2252 | if (stat1) |
2253 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
e8b62011 JS |
2254 | "0463 lpfc_soft_wwpn attribute set failed to " |
2255 | "reinit adapter - %d\n", stat1); | |
c3f28afa | 2256 | init_completion(&online_compl); |
fedd3b7b JS |
2257 | rc = lpfc_workq_post_event(phba, &stat2, &online_compl, |
2258 | LPFC_EVT_ONLINE); | |
2259 | if (rc == 0) | |
2260 | return -ENOMEM; | |
2261 | ||
c3f28afa JS |
2262 | wait_for_completion(&online_compl); |
2263 | if (stat2) | |
2264 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
e8b62011 JS |
2265 | "0464 lpfc_soft_wwpn attribute set failed to " |
2266 | "reinit adapter - %d\n", stat2); | |
c3f28afa JS |
2267 | return (stat1 || stat2) ? -EIO : count; |
2268 | } | |
1ba981fd | 2269 | static DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR, |
ee959b00 | 2270 | lpfc_soft_wwpn_show, lpfc_soft_wwpn_store); |
c3f28afa | 2271 | |
e59058c4 | 2272 | /** |
3621a710 | 2273 | * lpfc_soft_wwnn_show - Return the cfg soft ww node name for the adapter |
e59058c4 JS |
2274 | * @dev: class device that is converted into a Scsi_host. |
2275 | * @attr: device attribute, not used. | |
3621a710 | 2276 | * @buf: on return contains the wwnn in hexadecimal. |
e59058c4 JS |
2277 | * |
2278 | * Returns: size of formatted string. | |
2279 | **/ | |
a12e07bc | 2280 | static ssize_t |
ee959b00 TJ |
2281 | lpfc_soft_wwnn_show(struct device *dev, struct device_attribute *attr, |
2282 | char *buf) | |
a12e07bc | 2283 | { |
ee959b00 | 2284 | struct Scsi_Host *shost = class_to_shost(dev); |
51ef4c26 | 2285 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; |
a12e07bc JS |
2286 | return snprintf(buf, PAGE_SIZE, "0x%llx\n", |
2287 | (unsigned long long)phba->cfg_soft_wwnn); | |
2288 | } | |
2289 | ||
e59058c4 | 2290 | /** |
3621a710 | 2291 | * lpfc_soft_wwnn_store - sets the ww node name of the adapter |
e59058c4 | 2292 | * @cdev: class device that is converted into a Scsi_host. |
3621a710 | 2293 | * @buf: contains the ww node name in hexadecimal. |
e59058c4 JS |
2294 | * @count: number of wwnn bytes in buf. |
2295 | * | |
2296 | * Returns: | |
2297 | * -EINVAL soft wwn not enabled, count is invalid, invalid wwnn byte invalid | |
2298 | * value of count on success | |
2299 | **/ | |
a12e07bc | 2300 | static ssize_t |
ee959b00 TJ |
2301 | lpfc_soft_wwnn_store(struct device *dev, struct device_attribute *attr, |
2302 | const char *buf, size_t count) | |
a12e07bc | 2303 | { |
ee959b00 | 2304 | struct Scsi_Host *shost = class_to_shost(dev); |
51ef4c26 | 2305 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; |
1ba981fd JS |
2306 | unsigned int cnt = count; |
2307 | u8 wwnn[WWN_SZ]; | |
2308 | int rc; | |
a12e07bc JS |
2309 | |
2310 | /* count may include a LF at end of string */ | |
2311 | if (buf[cnt-1] == '\n') | |
2312 | cnt--; | |
2313 | ||
1ba981fd | 2314 | if (!phba->soft_wwn_enable) |
a12e07bc JS |
2315 | return -EINVAL; |
2316 | ||
1ba981fd JS |
2317 | rc = lpfc_wwn_set(buf, cnt, wwnn); |
2318 | if (!rc) { | |
2319 | /* Allow wwnn to be set many times, as long as the enable | |
2320 | * is set. However, once the wwpn is set, everything locks. | |
2321 | */ | |
2322 | return rc; | |
a12e07bc | 2323 | } |
1ba981fd | 2324 | |
a12e07bc JS |
2325 | phba->cfg_soft_wwnn = wwn_to_u64(wwnn); |
2326 | ||
2327 | dev_printk(KERN_NOTICE, &phba->pcidev->dev, | |
2328 | "lpfc%d: soft_wwnn set. Value will take effect upon " | |
2329 | "setting of the soft_wwpn\n", phba->brd_no); | |
2330 | ||
2331 | return count; | |
2332 | } | |
1ba981fd | 2333 | static DEVICE_ATTR(lpfc_soft_wwnn, S_IRUGO | S_IWUSR, |
ee959b00 | 2334 | lpfc_soft_wwnn_show, lpfc_soft_wwnn_store); |
a12e07bc | 2335 | |
1ba981fd JS |
2336 | /** |
2337 | * lpfc_oas_tgt_show - Return wwpn of target whose luns maybe enabled for | |
2338 | * Optimized Access Storage (OAS) operations. | |
2339 | * @dev: class device that is converted into a Scsi_host. | |
2340 | * @attr: device attribute, not used. | |
2341 | * @buf: buffer for passing information. | |
2342 | * | |
2343 | * Returns: | |
2344 | * value of count | |
2345 | **/ | |
2346 | static ssize_t | |
2347 | lpfc_oas_tgt_show(struct device *dev, struct device_attribute *attr, | |
2348 | char *buf) | |
2349 | { | |
2350 | struct Scsi_Host *shost = class_to_shost(dev); | |
2351 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
2352 | ||
2353 | return snprintf(buf, PAGE_SIZE, "0x%llx\n", | |
2354 | wwn_to_u64(phba->cfg_oas_tgt_wwpn)); | |
2355 | } | |
2356 | ||
2357 | /** | |
2358 | * lpfc_oas_tgt_store - Store wwpn of target whose luns maybe enabled for | |
2359 | * Optimized Access Storage (OAS) operations. | |
2360 | * @dev: class device that is converted into a Scsi_host. | |
2361 | * @attr: device attribute, not used. | |
2362 | * @buf: buffer for passing information. | |
2363 | * @count: Size of the data buffer. | |
2364 | * | |
2365 | * Returns: | |
2366 | * -EINVAL count is invalid, invalid wwpn byte invalid | |
2367 | * -EPERM oas is not supported by hba | |
2368 | * value of count on success | |
2369 | **/ | |
2370 | static ssize_t | |
2371 | lpfc_oas_tgt_store(struct device *dev, struct device_attribute *attr, | |
2372 | const char *buf, size_t count) | |
2373 | { | |
2374 | struct Scsi_Host *shost = class_to_shost(dev); | |
2375 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
2376 | unsigned int cnt = count; | |
2377 | uint8_t wwpn[WWN_SZ]; | |
2378 | int rc; | |
2379 | ||
f38fa0bb | 2380 | if (!phba->cfg_fof) |
1ba981fd JS |
2381 | return -EPERM; |
2382 | ||
2383 | /* count may include a LF at end of string */ | |
2384 | if (buf[cnt-1] == '\n') | |
2385 | cnt--; | |
2386 | ||
2387 | rc = lpfc_wwn_set(buf, cnt, wwpn); | |
2388 | if (rc) | |
2389 | return rc; | |
2390 | ||
2391 | memcpy(phba->cfg_oas_tgt_wwpn, wwpn, (8 * sizeof(uint8_t))); | |
2392 | memcpy(phba->sli4_hba.oas_next_tgt_wwpn, wwpn, (8 * sizeof(uint8_t))); | |
2393 | if (wwn_to_u64(wwpn) == 0) | |
2394 | phba->cfg_oas_flags |= OAS_FIND_ANY_TARGET; | |
2395 | else | |
2396 | phba->cfg_oas_flags &= ~OAS_FIND_ANY_TARGET; | |
2397 | phba->cfg_oas_flags &= ~OAS_LUN_VALID; | |
2398 | phba->sli4_hba.oas_next_lun = FIND_FIRST_OAS_LUN; | |
2399 | return count; | |
2400 | } | |
2401 | static DEVICE_ATTR(lpfc_xlane_tgt, S_IRUGO | S_IWUSR, | |
2402 | lpfc_oas_tgt_show, lpfc_oas_tgt_store); | |
2403 | ||
2404 | /** | |
2405 | * lpfc_oas_vpt_show - Return wwpn of vport whose targets maybe enabled | |
2406 | * for Optimized Access Storage (OAS) operations. | |
2407 | * @dev: class device that is converted into a Scsi_host. | |
2408 | * @attr: device attribute, not used. | |
2409 | * @buf: buffer for passing information. | |
2410 | * | |
2411 | * Returns: | |
2412 | * value of count on success | |
2413 | **/ | |
2414 | static ssize_t | |
2415 | lpfc_oas_vpt_show(struct device *dev, struct device_attribute *attr, | |
2416 | char *buf) | |
2417 | { | |
2418 | struct Scsi_Host *shost = class_to_shost(dev); | |
2419 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
2420 | ||
2421 | return snprintf(buf, PAGE_SIZE, "0x%llx\n", | |
2422 | wwn_to_u64(phba->cfg_oas_vpt_wwpn)); | |
2423 | } | |
2424 | ||
2425 | /** | |
2426 | * lpfc_oas_vpt_store - Store wwpn of vport whose targets maybe enabled | |
2427 | * for Optimized Access Storage (OAS) operations. | |
2428 | * @dev: class device that is converted into a Scsi_host. | |
2429 | * @attr: device attribute, not used. | |
2430 | * @buf: buffer for passing information. | |
2431 | * @count: Size of the data buffer. | |
2432 | * | |
2433 | * Returns: | |
2434 | * -EINVAL count is invalid, invalid wwpn byte invalid | |
2435 | * -EPERM oas is not supported by hba | |
2436 | * value of count on success | |
2437 | **/ | |
2438 | static ssize_t | |
2439 | lpfc_oas_vpt_store(struct device *dev, struct device_attribute *attr, | |
2440 | const char *buf, size_t count) | |
2441 | { | |
2442 | struct Scsi_Host *shost = class_to_shost(dev); | |
2443 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
2444 | unsigned int cnt = count; | |
2445 | uint8_t wwpn[WWN_SZ]; | |
2446 | int rc; | |
2447 | ||
f38fa0bb | 2448 | if (!phba->cfg_fof) |
1ba981fd JS |
2449 | return -EPERM; |
2450 | ||
2451 | /* count may include a LF at end of string */ | |
2452 | if (buf[cnt-1] == '\n') | |
2453 | cnt--; | |
2454 | ||
2455 | rc = lpfc_wwn_set(buf, cnt, wwpn); | |
2456 | if (rc) | |
2457 | return rc; | |
2458 | ||
2459 | memcpy(phba->cfg_oas_vpt_wwpn, wwpn, (8 * sizeof(uint8_t))); | |
2460 | memcpy(phba->sli4_hba.oas_next_vpt_wwpn, wwpn, (8 * sizeof(uint8_t))); | |
2461 | if (wwn_to_u64(wwpn) == 0) | |
2462 | phba->cfg_oas_flags |= OAS_FIND_ANY_VPORT; | |
2463 | else | |
2464 | phba->cfg_oas_flags &= ~OAS_FIND_ANY_VPORT; | |
2465 | phba->cfg_oas_flags &= ~OAS_LUN_VALID; | |
2466 | phba->sli4_hba.oas_next_lun = FIND_FIRST_OAS_LUN; | |
2467 | return count; | |
2468 | } | |
2469 | static DEVICE_ATTR(lpfc_xlane_vpt, S_IRUGO | S_IWUSR, | |
2470 | lpfc_oas_vpt_show, lpfc_oas_vpt_store); | |
2471 | ||
2472 | /** | |
2473 | * lpfc_oas_lun_state_show - Return the current state (enabled or disabled) | |
2474 | * of whether luns will be enabled or disabled | |
2475 | * for Optimized Access Storage (OAS) operations. | |
2476 | * @dev: class device that is converted into a Scsi_host. | |
2477 | * @attr: device attribute, not used. | |
2478 | * @buf: buffer for passing information. | |
2479 | * | |
2480 | * Returns: | |
2481 | * size of formatted string. | |
2482 | **/ | |
2483 | static ssize_t | |
2484 | lpfc_oas_lun_state_show(struct device *dev, struct device_attribute *attr, | |
2485 | char *buf) | |
2486 | { | |
2487 | struct Scsi_Host *shost = class_to_shost(dev); | |
2488 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
2489 | ||
2490 | return snprintf(buf, PAGE_SIZE, "%d\n", phba->cfg_oas_lun_state); | |
2491 | } | |
2492 | ||
2493 | /** | |
2494 | * lpfc_oas_lun_state_store - Store the state (enabled or disabled) | |
2495 | * of whether luns will be enabled or disabled | |
2496 | * for Optimized Access Storage (OAS) operations. | |
2497 | * @dev: class device that is converted into a Scsi_host. | |
2498 | * @attr: device attribute, not used. | |
2499 | * @buf: buffer for passing information. | |
2500 | * @count: Size of the data buffer. | |
2501 | * | |
2502 | * Returns: | |
2503 | * -EINVAL count is invalid, invalid wwpn byte invalid | |
2504 | * -EPERM oas is not supported by hba | |
2505 | * value of count on success | |
2506 | **/ | |
2507 | static ssize_t | |
2508 | lpfc_oas_lun_state_store(struct device *dev, struct device_attribute *attr, | |
2509 | const char *buf, size_t count) | |
2510 | { | |
2511 | struct Scsi_Host *shost = class_to_shost(dev); | |
2512 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
2513 | int val = 0; | |
2514 | ||
f38fa0bb | 2515 | if (!phba->cfg_fof) |
1ba981fd JS |
2516 | return -EPERM; |
2517 | ||
2518 | if (!isdigit(buf[0])) | |
2519 | return -EINVAL; | |
2520 | ||
2521 | if (sscanf(buf, "%i", &val) != 1) | |
2522 | return -EINVAL; | |
2523 | ||
2524 | if ((val != 0) && (val != 1)) | |
2525 | return -EINVAL; | |
2526 | ||
2527 | phba->cfg_oas_lun_state = val; | |
2528 | ||
2529 | return strlen(buf); | |
2530 | } | |
2531 | static DEVICE_ATTR(lpfc_xlane_lun_state, S_IRUGO | S_IWUSR, | |
2532 | lpfc_oas_lun_state_show, lpfc_oas_lun_state_store); | |
2533 | ||
2534 | /** | |
2535 | * lpfc_oas_lun_status_show - Return the status of the Optimized Access | |
2536 | * Storage (OAS) lun returned by the | |
2537 | * lpfc_oas_lun_show function. | |
2538 | * @dev: class device that is converted into a Scsi_host. | |
2539 | * @attr: device attribute, not used. | |
2540 | * @buf: buffer for passing information. | |
2541 | * | |
2542 | * Returns: | |
2543 | * size of formatted string. | |
2544 | **/ | |
2545 | static ssize_t | |
2546 | lpfc_oas_lun_status_show(struct device *dev, struct device_attribute *attr, | |
2547 | char *buf) | |
2548 | { | |
2549 | struct Scsi_Host *shost = class_to_shost(dev); | |
2550 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
2551 | ||
2552 | if (!(phba->cfg_oas_flags & OAS_LUN_VALID)) | |
2553 | return -EFAULT; | |
2554 | ||
2555 | return snprintf(buf, PAGE_SIZE, "%d\n", phba->cfg_oas_lun_status); | |
2556 | } | |
2557 | static DEVICE_ATTR(lpfc_xlane_lun_status, S_IRUGO, | |
2558 | lpfc_oas_lun_status_show, NULL); | |
2559 | ||
2560 | ||
2561 | /** | |
2562 | * lpfc_oas_lun_state_set - enable or disable a lun for Optimized Access Storage | |
2563 | * (OAS) operations. | |
2564 | * @phba: lpfc_hba pointer. | |
2565 | * @ndlp: pointer to fcp target node. | |
2566 | * @lun: the fc lun for setting oas state. | |
2567 | * @oas_state: the oas state to be set to the lun. | |
2568 | * | |
2569 | * Returns: | |
2570 | * SUCCESS : 0 | |
2571 | * -EPERM OAS is not enabled or not supported by this port. | |
2572 | * | |
2573 | */ | |
2574 | static size_t | |
2575 | lpfc_oas_lun_state_set(struct lpfc_hba *phba, uint8_t vpt_wwpn[], | |
2576 | uint8_t tgt_wwpn[], uint64_t lun, uint32_t oas_state) | |
2577 | { | |
2578 | ||
2579 | int rc = 0; | |
2580 | ||
f38fa0bb | 2581 | if (!phba->cfg_fof) |
1ba981fd JS |
2582 | return -EPERM; |
2583 | ||
2584 | if (oas_state) { | |
2585 | if (!lpfc_enable_oas_lun(phba, (struct lpfc_name *)vpt_wwpn, | |
2586 | (struct lpfc_name *)tgt_wwpn, lun)) | |
2587 | rc = -ENOMEM; | |
2588 | } else { | |
2589 | lpfc_disable_oas_lun(phba, (struct lpfc_name *)vpt_wwpn, | |
2590 | (struct lpfc_name *)tgt_wwpn, lun); | |
2591 | } | |
2592 | return rc; | |
2593 | ||
2594 | } | |
2595 | ||
2596 | /** | |
2597 | * lpfc_oas_lun_get_next - get the next lun that has been enabled for Optimized | |
2598 | * Access Storage (OAS) operations. | |
2599 | * @phba: lpfc_hba pointer. | |
2600 | * @vpt_wwpn: wwpn of the vport associated with the returned lun | |
2601 | * @tgt_wwpn: wwpn of the target associated with the returned lun | |
2602 | * @lun_status: status of the lun returned lun | |
2603 | * | |
2604 | * Returns the first or next lun enabled for OAS operations for the vport/target | |
2605 | * specified. If a lun is found, its vport wwpn, target wwpn and status is | |
2606 | * returned. If the lun is not found, NOT_OAS_ENABLED_LUN is returned. | |
2607 | * | |
2608 | * Return: | |
2609 | * lun that is OAS enabled for the vport/target | |
2610 | * NOT_OAS_ENABLED_LUN when no oas enabled lun found. | |
2611 | */ | |
2612 | static uint64_t | |
2613 | lpfc_oas_lun_get_next(struct lpfc_hba *phba, uint8_t vpt_wwpn[], | |
2614 | uint8_t tgt_wwpn[], uint32_t *lun_status) | |
2615 | { | |
2616 | uint64_t found_lun; | |
2617 | ||
2618 | if (unlikely(!phba) || !vpt_wwpn || !tgt_wwpn) | |
2619 | return NOT_OAS_ENABLED_LUN; | |
2620 | if (lpfc_find_next_oas_lun(phba, (struct lpfc_name *) | |
2621 | phba->sli4_hba.oas_next_vpt_wwpn, | |
2622 | (struct lpfc_name *) | |
2623 | phba->sli4_hba.oas_next_tgt_wwpn, | |
2624 | &phba->sli4_hba.oas_next_lun, | |
2625 | (struct lpfc_name *)vpt_wwpn, | |
2626 | (struct lpfc_name *)tgt_wwpn, | |
2627 | &found_lun, lun_status)) | |
2628 | return found_lun; | |
2629 | else | |
2630 | return NOT_OAS_ENABLED_LUN; | |
2631 | } | |
2632 | ||
2633 | /** | |
2634 | * lpfc_oas_lun_state_change - enable/disable a lun for OAS operations | |
2635 | * @phba: lpfc_hba pointer. | |
2636 | * @vpt_wwpn: vport wwpn by reference. | |
2637 | * @tgt_wwpn: target wwpn by reference. | |
2638 | * @lun: the fc lun for setting oas state. | |
2639 | * @oas_state: the oas state to be set to the oas_lun. | |
2640 | * | |
2641 | * This routine enables (OAS_LUN_ENABLE) or disables (OAS_LUN_DISABLE) | |
2642 | * a lun for OAS operations. | |
2643 | * | |
2644 | * Return: | |
2645 | * SUCCESS: 0 | |
2646 | * -ENOMEM: failed to enable an lun for OAS operations | |
2647 | * -EPERM: OAS is not enabled | |
2648 | */ | |
2649 | static ssize_t | |
2650 | lpfc_oas_lun_state_change(struct lpfc_hba *phba, uint8_t vpt_wwpn[], | |
2651 | uint8_t tgt_wwpn[], uint64_t lun, | |
2652 | uint32_t oas_state) | |
2653 | { | |
2654 | ||
2655 | int rc; | |
2656 | ||
2657 | rc = lpfc_oas_lun_state_set(phba, vpt_wwpn, tgt_wwpn, lun, | |
2658 | oas_state); | |
2659 | return rc; | |
2660 | } | |
2661 | ||
2662 | /** | |
2663 | * lpfc_oas_lun_show - Return oas enabled luns from a chosen target | |
2664 | * @dev: class device that is converted into a Scsi_host. | |
2665 | * @attr: device attribute, not used. | |
2666 | * @buf: buffer for passing information. | |
2667 | * | |
2668 | * This routine returns a lun enabled for OAS each time the function | |
2669 | * is called. | |
2670 | * | |
2671 | * Returns: | |
2672 | * SUCCESS: size of formatted string. | |
2673 | * -EFAULT: target or vport wwpn was not set properly. | |
2674 | * -EPERM: oas is not enabled. | |
2675 | **/ | |
2676 | static ssize_t | |
2677 | lpfc_oas_lun_show(struct device *dev, struct device_attribute *attr, | |
2678 | char *buf) | |
2679 | { | |
2680 | struct Scsi_Host *shost = class_to_shost(dev); | |
2681 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
2682 | ||
2683 | uint64_t oas_lun; | |
2684 | int len = 0; | |
2685 | ||
f38fa0bb | 2686 | if (!phba->cfg_fof) |
1ba981fd JS |
2687 | return -EPERM; |
2688 | ||
2689 | if (wwn_to_u64(phba->cfg_oas_vpt_wwpn) == 0) | |
2690 | if (!(phba->cfg_oas_flags & OAS_FIND_ANY_VPORT)) | |
2691 | return -EFAULT; | |
2692 | ||
2693 | if (wwn_to_u64(phba->cfg_oas_tgt_wwpn) == 0) | |
2694 | if (!(phba->cfg_oas_flags & OAS_FIND_ANY_TARGET)) | |
2695 | return -EFAULT; | |
2696 | ||
2697 | oas_lun = lpfc_oas_lun_get_next(phba, phba->cfg_oas_vpt_wwpn, | |
2698 | phba->cfg_oas_tgt_wwpn, | |
2699 | &phba->cfg_oas_lun_status); | |
2700 | if (oas_lun != NOT_OAS_ENABLED_LUN) | |
2701 | phba->cfg_oas_flags |= OAS_LUN_VALID; | |
2702 | ||
2703 | len += snprintf(buf + len, PAGE_SIZE-len, "0x%llx", oas_lun); | |
2704 | ||
2705 | return len; | |
2706 | } | |
2707 | ||
2708 | /** | |
2709 | * lpfc_oas_lun_store - Sets the OAS state for lun | |
2710 | * @dev: class device that is converted into a Scsi_host. | |
2711 | * @attr: device attribute, not used. | |
2712 | * @buf: buffer for passing information. | |
2713 | * | |
2714 | * This function sets the OAS state for lun. Before this function is called, | |
2715 | * the vport wwpn, target wwpn, and oas state need to be set. | |
2716 | * | |
2717 | * Returns: | |
2718 | * SUCCESS: size of formatted string. | |
2719 | * -EFAULT: target or vport wwpn was not set properly. | |
2720 | * -EPERM: oas is not enabled. | |
2721 | * size of formatted string. | |
2722 | **/ | |
2723 | static ssize_t | |
2724 | lpfc_oas_lun_store(struct device *dev, struct device_attribute *attr, | |
2725 | const char *buf, size_t count) | |
2726 | { | |
2727 | struct Scsi_Host *shost = class_to_shost(dev); | |
2728 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
2729 | uint64_t scsi_lun; | |
2730 | ssize_t rc; | |
2731 | ||
f38fa0bb | 2732 | if (!phba->cfg_fof) |
1ba981fd JS |
2733 | return -EPERM; |
2734 | ||
2735 | if (wwn_to_u64(phba->cfg_oas_vpt_wwpn) == 0) | |
2736 | return -EFAULT; | |
2737 | ||
2738 | if (wwn_to_u64(phba->cfg_oas_tgt_wwpn) == 0) | |
2739 | return -EFAULT; | |
2740 | ||
2741 | if (!isdigit(buf[0])) | |
2742 | return -EINVAL; | |
2743 | ||
2744 | if (sscanf(buf, "0x%llx", &scsi_lun) != 1) | |
2745 | return -EINVAL; | |
2746 | ||
2747 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
2748 | "3372 Try to set vport 0x%llx target 0x%llx lun:%lld " | |
2749 | "with oas set to %d\n", | |
2750 | wwn_to_u64(phba->cfg_oas_vpt_wwpn), | |
2751 | wwn_to_u64(phba->cfg_oas_tgt_wwpn), scsi_lun, | |
2752 | phba->cfg_oas_lun_state); | |
2753 | ||
2754 | rc = lpfc_oas_lun_state_change(phba, phba->cfg_oas_vpt_wwpn, | |
2755 | phba->cfg_oas_tgt_wwpn, scsi_lun, | |
2756 | phba->cfg_oas_lun_state); | |
2757 | ||
2758 | if (rc) | |
2759 | return rc; | |
2760 | ||
2761 | return count; | |
2762 | } | |
2763 | static DEVICE_ATTR(lpfc_xlane_lun, S_IRUGO | S_IWUSR, | |
2764 | lpfc_oas_lun_show, lpfc_oas_lun_store); | |
c3f28afa | 2765 | |
875fbdfe | 2766 | static int lpfc_poll = 0; |
ab56dc2e | 2767 | module_param(lpfc_poll, int, S_IRUGO); |
875fbdfe JSEC |
2768 | MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:" |
2769 | " 0 - none," | |
2770 | " 1 - poll with interrupts enabled" | |
2771 | " 3 - poll and disable FCP ring interrupts"); | |
2772 | ||
ee959b00 TJ |
2773 | static DEVICE_ATTR(lpfc_poll, S_IRUGO | S_IWUSR, |
2774 | lpfc_poll_show, lpfc_poll_store); | |
dea3101e | 2775 | |
92d7f7b0 | 2776 | int lpfc_sli_mode = 0; |
ab56dc2e | 2777 | module_param(lpfc_sli_mode, int, S_IRUGO); |
92d7f7b0 JS |
2778 | MODULE_PARM_DESC(lpfc_sli_mode, "SLI mode selector:" |
2779 | " 0 - auto (SLI-3 if supported)," | |
2780 | " 2 - select SLI-2 even on SLI-3 capable HBAs," | |
2781 | " 3 - select SLI-3"); | |
2782 | ||
15672319 | 2783 | int lpfc_enable_npiv = 1; |
ab56dc2e | 2784 | module_param(lpfc_enable_npiv, int, S_IRUGO); |
7ee5d43e JS |
2785 | MODULE_PARM_DESC(lpfc_enable_npiv, "Enable NPIV functionality"); |
2786 | lpfc_param_show(enable_npiv); | |
4b40c59e | 2787 | lpfc_param_init(enable_npiv, 1, 0, 1); |
15672319 | 2788 | static DEVICE_ATTR(lpfc_enable_npiv, S_IRUGO, lpfc_enable_npiv_show, NULL); |
92d7f7b0 | 2789 | |
7d791df7 JS |
2790 | LPFC_ATTR_R(fcf_failover_policy, 1, 1, 2, |
2791 | "FCF Fast failover=1 Priority failover=2"); | |
2792 | ||
c14e9957 | 2793 | int lpfc_enable_rrq = 2; |
ab56dc2e | 2794 | module_param(lpfc_enable_rrq, int, S_IRUGO); |
19ca7609 JS |
2795 | MODULE_PARM_DESC(lpfc_enable_rrq, "Enable RRQ functionality"); |
2796 | lpfc_param_show(enable_rrq); | |
e5771b4d JS |
2797 | /* |
2798 | # lpfc_enable_rrq: Track XRI/OXID reuse after IO failures | |
2799 | # 0x0 = disabled, XRI/OXID use not tracked. | |
2800 | # 0x1 = XRI/OXID reuse is timed with ratov, RRQ sent. | |
2801 | # 0x2 = XRI/OXID reuse is timed with ratov, No RRQ sent. | |
2802 | */ | |
2803 | lpfc_param_init(enable_rrq, 2, 0, 2); | |
19ca7609 JS |
2804 | static DEVICE_ATTR(lpfc_enable_rrq, S_IRUGO, lpfc_enable_rrq_show, NULL); |
2805 | ||
84d1b006 JS |
2806 | /* |
2807 | # lpfc_suppress_link_up: Bring link up at initialization | |
2808 | # 0x0 = bring link up (issue MBX_INIT_LINK) | |
2809 | # 0x1 = do NOT bring link up at initialization(MBX_INIT_LINK) | |
2810 | # 0x2 = never bring up link | |
2811 | # Default value is 0. | |
2812 | */ | |
e40a02c1 JS |
2813 | LPFC_ATTR_R(suppress_link_up, LPFC_INITIALIZE_LINK, LPFC_INITIALIZE_LINK, |
2814 | LPFC_DELAY_INIT_LINK_INDEFINITELY, | |
2815 | "Suppress Link Up at initialization"); | |
2a9bf3d0 JS |
2816 | /* |
2817 | # lpfc_cnt: Number of IOCBs allocated for ELS, CT, and ABTS | |
2818 | # 1 - (1024) | |
2819 | # 2 - (2048) | |
2820 | # 3 - (3072) | |
2821 | # 4 - (4096) | |
2822 | # 5 - (5120) | |
2823 | */ | |
2824 | static ssize_t | |
2825 | lpfc_iocb_hw_show(struct device *dev, struct device_attribute *attr, char *buf) | |
2826 | { | |
2827 | struct Scsi_Host *shost = class_to_shost(dev); | |
2828 | struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba; | |
2829 | ||
2830 | return snprintf(buf, PAGE_SIZE, "%d\n", phba->iocb_max); | |
2831 | } | |
2832 | ||
2833 | static DEVICE_ATTR(iocb_hw, S_IRUGO, | |
2834 | lpfc_iocb_hw_show, NULL); | |
2835 | static ssize_t | |
2836 | lpfc_txq_hw_show(struct device *dev, struct device_attribute *attr, char *buf) | |
2837 | { | |
2838 | struct Scsi_Host *shost = class_to_shost(dev); | |
2839 | struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba; | |
2840 | ||
2841 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
2842 | phba->sli.ring[LPFC_ELS_RING].txq_max); | |
2843 | } | |
2844 | ||
2845 | static DEVICE_ATTR(txq_hw, S_IRUGO, | |
2846 | lpfc_txq_hw_show, NULL); | |
2847 | static ssize_t | |
2848 | lpfc_txcmplq_hw_show(struct device *dev, struct device_attribute *attr, | |
2849 | char *buf) | |
2850 | { | |
2851 | struct Scsi_Host *shost = class_to_shost(dev); | |
2852 | struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba; | |
2853 | ||
2854 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
2855 | phba->sli.ring[LPFC_ELS_RING].txcmplq_max); | |
2856 | } | |
2857 | ||
2858 | static DEVICE_ATTR(txcmplq_hw, S_IRUGO, | |
2859 | lpfc_txcmplq_hw_show, NULL); | |
2860 | ||
2861 | int lpfc_iocb_cnt = 2; | |
ab56dc2e | 2862 | module_param(lpfc_iocb_cnt, int, S_IRUGO); |
2a9bf3d0 JS |
2863 | MODULE_PARM_DESC(lpfc_iocb_cnt, |
2864 | "Number of IOCBs alloc for ELS, CT, and ABTS: 1k to 5k IOCBs"); | |
2865 | lpfc_param_show(iocb_cnt); | |
2866 | lpfc_param_init(iocb_cnt, 2, 1, 5); | |
2867 | static DEVICE_ATTR(lpfc_iocb_cnt, S_IRUGO, | |
2868 | lpfc_iocb_cnt_show, NULL); | |
84d1b006 | 2869 | |
c01f3208 JS |
2870 | /* |
2871 | # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear | |
2872 | # until the timer expires. Value range is [0,255]. Default value is 30. | |
2873 | */ | |
2874 | static int lpfc_nodev_tmo = LPFC_DEF_DEVLOSS_TMO; | |
2875 | static int lpfc_devloss_tmo = LPFC_DEF_DEVLOSS_TMO; | |
2876 | module_param(lpfc_nodev_tmo, int, 0); | |
2877 | MODULE_PARM_DESC(lpfc_nodev_tmo, | |
2878 | "Seconds driver will hold I/O waiting " | |
2879 | "for a device to come back"); | |
e59058c4 JS |
2880 | |
2881 | /** | |
3621a710 | 2882 | * lpfc_nodev_tmo_show - Return the hba dev loss timeout value |
e59058c4 JS |
2883 | * @dev: class converted to a Scsi_host structure. |
2884 | * @attr: device attribute, not used. | |
2885 | * @buf: on return contains the dev loss timeout in decimal. | |
2886 | * | |
2887 | * Returns: size of formatted string. | |
2888 | **/ | |
c01f3208 | 2889 | static ssize_t |
ee959b00 TJ |
2890 | lpfc_nodev_tmo_show(struct device *dev, struct device_attribute *attr, |
2891 | char *buf) | |
c01f3208 | 2892 | { |
ee959b00 | 2893 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 | 2894 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
e40a02c1 | 2895 | |
3de2a653 | 2896 | return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_devloss_tmo); |
c01f3208 JS |
2897 | } |
2898 | ||
e59058c4 | 2899 | /** |
3621a710 | 2900 | * lpfc_nodev_tmo_init - Set the hba nodev timeout value |
e59058c4 JS |
2901 | * @vport: lpfc vport structure pointer. |
2902 | * @val: contains the nodev timeout value. | |
2903 | * | |
2904 | * Description: | |
2905 | * If the devloss tmo is already set then nodev tmo is set to devloss tmo, | |
2906 | * a kernel error message is printed and zero is returned. | |
2907 | * Else if val is in range then nodev tmo and devloss tmo are set to val. | |
2908 | * Otherwise nodev tmo is set to the default value. | |
2909 | * | |
2910 | * Returns: | |
2911 | * zero if already set or if val is in range | |
2912 | * -EINVAL val out of range | |
2913 | **/ | |
c01f3208 | 2914 | static int |
3de2a653 JS |
2915 | lpfc_nodev_tmo_init(struct lpfc_vport *vport, int val) |
2916 | { | |
2917 | if (vport->cfg_devloss_tmo != LPFC_DEF_DEVLOSS_TMO) { | |
2918 | vport->cfg_nodev_tmo = vport->cfg_devloss_tmo; | |
2919 | if (val != LPFC_DEF_DEVLOSS_TMO) | |
e8b62011 | 2920 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 2921 | "0407 Ignoring nodev_tmo module " |
e8b62011 JS |
2922 | "parameter because devloss_tmo is " |
2923 | "set.\n"); | |
c01f3208 JS |
2924 | return 0; |
2925 | } | |
2926 | ||
2927 | if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { | |
3de2a653 JS |
2928 | vport->cfg_nodev_tmo = val; |
2929 | vport->cfg_devloss_tmo = val; | |
c01f3208 JS |
2930 | return 0; |
2931 | } | |
e8b62011 JS |
2932 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
2933 | "0400 lpfc_nodev_tmo attribute cannot be set to" | |
2934 | " %d, allowed range is [%d, %d]\n", | |
2935 | val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO); | |
3de2a653 | 2936 | vport->cfg_nodev_tmo = LPFC_DEF_DEVLOSS_TMO; |
c01f3208 JS |
2937 | return -EINVAL; |
2938 | } | |
2939 | ||
e59058c4 | 2940 | /** |
3621a710 | 2941 | * lpfc_update_rport_devloss_tmo - Update dev loss tmo value |
e59058c4 JS |
2942 | * @vport: lpfc vport structure pointer. |
2943 | * | |
2944 | * Description: | |
2945 | * Update all the ndlp's dev loss tmo with the vport devloss tmo value. | |
2946 | **/ | |
7054a606 | 2947 | static void |
3de2a653 | 2948 | lpfc_update_rport_devloss_tmo(struct lpfc_vport *vport) |
7054a606 | 2949 | { |
858c9f6c | 2950 | struct Scsi_Host *shost; |
7054a606 JS |
2951 | struct lpfc_nodelist *ndlp; |
2952 | ||
51ef4c26 JS |
2953 | shost = lpfc_shost_from_vport(vport); |
2954 | spin_lock_irq(shost->host_lock); | |
2955 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) | |
e47c9093 | 2956 | if (NLP_CHK_NODE_ACT(ndlp) && ndlp->rport) |
51ef4c26 JS |
2957 | ndlp->rport->dev_loss_tmo = vport->cfg_devloss_tmo; |
2958 | spin_unlock_irq(shost->host_lock); | |
7054a606 JS |
2959 | } |
2960 | ||
e59058c4 | 2961 | /** |
3621a710 | 2962 | * lpfc_nodev_tmo_set - Set the vport nodev tmo and devloss tmo values |
e59058c4 JS |
2963 | * @vport: lpfc vport structure pointer. |
2964 | * @val: contains the tmo value. | |
2965 | * | |
2966 | * Description: | |
2967 | * If the devloss tmo is already set or the vport dev loss tmo has changed | |
2968 | * then a kernel error message is printed and zero is returned. | |
2969 | * Else if val is in range then nodev tmo and devloss tmo are set to val. | |
2970 | * Otherwise nodev tmo is set to the default value. | |
2971 | * | |
2972 | * Returns: | |
2973 | * zero if already set or if val is in range | |
2974 | * -EINVAL val out of range | |
2975 | **/ | |
c01f3208 | 2976 | static int |
3de2a653 | 2977 | lpfc_nodev_tmo_set(struct lpfc_vport *vport, int val) |
c01f3208 | 2978 | { |
3de2a653 JS |
2979 | if (vport->dev_loss_tmo_changed || |
2980 | (lpfc_devloss_tmo != LPFC_DEF_DEVLOSS_TMO)) { | |
e8b62011 JS |
2981 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
2982 | "0401 Ignoring change to nodev_tmo " | |
2983 | "because devloss_tmo is set.\n"); | |
c01f3208 JS |
2984 | return 0; |
2985 | } | |
c01f3208 | 2986 | if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { |
3de2a653 JS |
2987 | vport->cfg_nodev_tmo = val; |
2988 | vport->cfg_devloss_tmo = val; | |
0af5d708 MC |
2989 | /* |
2990 | * For compat: set the fc_host dev loss so new rports | |
2991 | * will get the value. | |
2992 | */ | |
2993 | fc_host_dev_loss_tmo(lpfc_shost_from_vport(vport)) = val; | |
3de2a653 | 2994 | lpfc_update_rport_devloss_tmo(vport); |
c01f3208 JS |
2995 | return 0; |
2996 | } | |
e8b62011 JS |
2997 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
2998 | "0403 lpfc_nodev_tmo attribute cannot be set to" | |
2999 | "%d, allowed range is [%d, %d]\n", | |
3000 | val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO); | |
c01f3208 JS |
3001 | return -EINVAL; |
3002 | } | |
3003 | ||
3de2a653 | 3004 | lpfc_vport_param_store(nodev_tmo) |
c01f3208 | 3005 | |
ee959b00 TJ |
3006 | static DEVICE_ATTR(lpfc_nodev_tmo, S_IRUGO | S_IWUSR, |
3007 | lpfc_nodev_tmo_show, lpfc_nodev_tmo_store); | |
c01f3208 JS |
3008 | |
3009 | /* | |
3010 | # lpfc_devloss_tmo: If set, it will hold all I/O errors on devices that | |
3011 | # disappear until the timer expires. Value range is [0,255]. Default | |
3012 | # value is 30. | |
3013 | */ | |
ab56dc2e | 3014 | module_param(lpfc_devloss_tmo, int, S_IRUGO); |
c01f3208 JS |
3015 | MODULE_PARM_DESC(lpfc_devloss_tmo, |
3016 | "Seconds driver will hold I/O waiting " | |
3017 | "for a device to come back"); | |
3de2a653 JS |
3018 | lpfc_vport_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO, |
3019 | LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO) | |
3020 | lpfc_vport_param_show(devloss_tmo) | |
e59058c4 JS |
3021 | |
3022 | /** | |
3621a710 | 3023 | * lpfc_devloss_tmo_set - Sets vport nodev tmo, devloss tmo values, changed bit |
e59058c4 JS |
3024 | * @vport: lpfc vport structure pointer. |
3025 | * @val: contains the tmo value. | |
3026 | * | |
3027 | * Description: | |
3028 | * If val is in a valid range then set the vport nodev tmo, | |
3029 | * devloss tmo, also set the vport dev loss tmo changed flag. | |
3030 | * Else a kernel error message is printed. | |
3031 | * | |
3032 | * Returns: | |
3033 | * zero if val is in range | |
3034 | * -EINVAL val out of range | |
3035 | **/ | |
c01f3208 | 3036 | static int |
3de2a653 | 3037 | lpfc_devloss_tmo_set(struct lpfc_vport *vport, int val) |
c01f3208 JS |
3038 | { |
3039 | if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { | |
3de2a653 JS |
3040 | vport->cfg_nodev_tmo = val; |
3041 | vport->cfg_devloss_tmo = val; | |
3042 | vport->dev_loss_tmo_changed = 1; | |
0af5d708 | 3043 | fc_host_dev_loss_tmo(lpfc_shost_from_vport(vport)) = val; |
3de2a653 | 3044 | lpfc_update_rport_devloss_tmo(vport); |
c01f3208 JS |
3045 | return 0; |
3046 | } | |
3047 | ||
e8b62011 JS |
3048 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
3049 | "0404 lpfc_devloss_tmo attribute cannot be set to" | |
3050 | " %d, allowed range is [%d, %d]\n", | |
3051 | val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO); | |
c01f3208 JS |
3052 | return -EINVAL; |
3053 | } | |
3054 | ||
3de2a653 | 3055 | lpfc_vport_param_store(devloss_tmo) |
ee959b00 TJ |
3056 | static DEVICE_ATTR(lpfc_devloss_tmo, S_IRUGO | S_IWUSR, |
3057 | lpfc_devloss_tmo_show, lpfc_devloss_tmo_store); | |
c01f3208 | 3058 | |
dea3101e | 3059 | /* |
3060 | # lpfc_log_verbose: Only turn this flag on if you are willing to risk being | |
3061 | # deluged with LOTS of information. | |
3062 | # You can set a bit mask to record specific types of verbose messages: | |
f4b4c68f | 3063 | # See lpfc_logmsh.h for definitions. |
dea3101e | 3064 | */ |
f4b4c68f | 3065 | LPFC_VPORT_ATTR_HEX_RW(log_verbose, 0x0, 0x0, 0xffffffff, |
e8b62011 | 3066 | "Verbose logging bit-mask"); |
dea3101e | 3067 | |
7ee5d43e JS |
3068 | /* |
3069 | # lpfc_enable_da_id: This turns on the DA_ID CT command that deregisters | |
3070 | # objects that have been registered with the nameserver after login. | |
3071 | */ | |
cf971240 | 3072 | LPFC_VPORT_ATTR_R(enable_da_id, 1, 0, 1, |
7ee5d43e JS |
3073 | "Deregister nameserver objects before LOGO"); |
3074 | ||
dea3101e | 3075 | /* |
3076 | # lun_queue_depth: This parameter is used to limit the number of outstanding | |
572709e2 JS |
3077 | # commands per FCP LUN. Value range is [1,512]. Default value is 30. |
3078 | # If this parameter value is greater than 1/8th the maximum number of exchanges | |
3079 | # supported by the HBA port, then the lun queue depth will be reduced to | |
3080 | # 1/8th the maximum number of exchanges. | |
dea3101e | 3081 | */ |
572709e2 | 3082 | LPFC_VPORT_ATTR_R(lun_queue_depth, 30, 1, 512, |
3de2a653 | 3083 | "Max number of FCP commands we can queue to a specific LUN"); |
dea3101e | 3084 | |
7dc517df JS |
3085 | /* |
3086 | # tgt_queue_depth: This parameter is used to limit the number of outstanding | |
3087 | # commands per target port. Value range is [10,65535]. Default value is 65535. | |
3088 | */ | |
3089 | LPFC_VPORT_ATTR_R(tgt_queue_depth, 65535, 10, 65535, | |
572709e2 | 3090 | "Max number of FCP commands we can queue to a specific target port"); |
7dc517df | 3091 | |
b28485ac JW |
3092 | /* |
3093 | # hba_queue_depth: This parameter is used to limit the number of outstanding | |
3094 | # commands per lpfc HBA. Value range is [32,8192]. If this parameter | |
3095 | # value is greater than the maximum number of exchanges supported by the HBA, | |
3096 | # then maximum number of exchanges supported by the HBA is used to determine | |
3097 | # the hba_queue_depth. | |
3098 | */ | |
3099 | LPFC_ATTR_R(hba_queue_depth, 8192, 32, 8192, | |
3100 | "Max number of FCP commands we can queue to a lpfc HBA"); | |
3101 | ||
92d7f7b0 JS |
3102 | /* |
3103 | # peer_port_login: This parameter allows/prevents logins | |
3104 | # between peer ports hosted on the same physical port. | |
3105 | # When this parameter is set 0 peer ports of same physical port | |
3106 | # are not allowed to login to each other. | |
3107 | # When this parameter is set 1 peer ports of same physical port | |
3108 | # are allowed to login to each other. | |
3109 | # Default value of this parameter is 0. | |
3110 | */ | |
3de2a653 JS |
3111 | LPFC_VPORT_ATTR_R(peer_port_login, 0, 0, 1, |
3112 | "Allow peer ports on the same physical port to login to each " | |
3113 | "other."); | |
92d7f7b0 JS |
3114 | |
3115 | /* | |
3de2a653 | 3116 | # restrict_login: This parameter allows/prevents logins |
92d7f7b0 JS |
3117 | # between Virtual Ports and remote initiators. |
3118 | # When this parameter is not set (0) Virtual Ports will accept PLOGIs from | |
3119 | # other initiators and will attempt to PLOGI all remote ports. | |
3120 | # When this parameter is set (1) Virtual Ports will reject PLOGIs from | |
3121 | # remote ports and will not attempt to PLOGI to other initiators. | |
3122 | # This parameter does not restrict to the physical port. | |
3123 | # This parameter does not restrict logins to Fabric resident remote ports. | |
3124 | # Default value of this parameter is 1. | |
3125 | */ | |
3de2a653 | 3126 | static int lpfc_restrict_login = 1; |
ab56dc2e | 3127 | module_param(lpfc_restrict_login, int, S_IRUGO); |
3de2a653 JS |
3128 | MODULE_PARM_DESC(lpfc_restrict_login, |
3129 | "Restrict virtual ports login to remote initiators."); | |
3130 | lpfc_vport_param_show(restrict_login); | |
3131 | ||
e59058c4 | 3132 | /** |
3621a710 | 3133 | * lpfc_restrict_login_init - Set the vport restrict login flag |
e59058c4 JS |
3134 | * @vport: lpfc vport structure pointer. |
3135 | * @val: contains the restrict login value. | |
3136 | * | |
3137 | * Description: | |
3138 | * If val is not in a valid range then log a kernel error message and set | |
3139 | * the vport restrict login to one. | |
3140 | * If the port type is physical clear the restrict login flag and return. | |
3141 | * Else set the restrict login flag to val. | |
3142 | * | |
3143 | * Returns: | |
3144 | * zero if val is in range | |
3145 | * -EINVAL val out of range | |
3146 | **/ | |
3de2a653 JS |
3147 | static int |
3148 | lpfc_restrict_login_init(struct lpfc_vport *vport, int val) | |
3149 | { | |
3150 | if (val < 0 || val > 1) { | |
e8b62011 | 3151 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 3152 | "0422 lpfc_restrict_login attribute cannot " |
e8b62011 JS |
3153 | "be set to %d, allowed range is [0, 1]\n", |
3154 | val); | |
3de2a653 JS |
3155 | vport->cfg_restrict_login = 1; |
3156 | return -EINVAL; | |
3157 | } | |
3158 | if (vport->port_type == LPFC_PHYSICAL_PORT) { | |
3159 | vport->cfg_restrict_login = 0; | |
3160 | return 0; | |
3161 | } | |
3162 | vport->cfg_restrict_login = val; | |
3163 | return 0; | |
3164 | } | |
3165 | ||
e59058c4 | 3166 | /** |
3621a710 | 3167 | * lpfc_restrict_login_set - Set the vport restrict login flag |
e59058c4 JS |
3168 | * @vport: lpfc vport structure pointer. |
3169 | * @val: contains the restrict login value. | |
3170 | * | |
3171 | * Description: | |
3172 | * If val is not in a valid range then log a kernel error message and set | |
3173 | * the vport restrict login to one. | |
3174 | * If the port type is physical and the val is not zero log a kernel | |
3175 | * error message, clear the restrict login flag and return zero. | |
3176 | * Else set the restrict login flag to val. | |
3177 | * | |
3178 | * Returns: | |
3179 | * zero if val is in range | |
3180 | * -EINVAL val out of range | |
3181 | **/ | |
3de2a653 JS |
3182 | static int |
3183 | lpfc_restrict_login_set(struct lpfc_vport *vport, int val) | |
3184 | { | |
3185 | if (val < 0 || val > 1) { | |
e8b62011 | 3186 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 3187 | "0425 lpfc_restrict_login attribute cannot " |
e8b62011 JS |
3188 | "be set to %d, allowed range is [0, 1]\n", |
3189 | val); | |
3de2a653 JS |
3190 | vport->cfg_restrict_login = 1; |
3191 | return -EINVAL; | |
3192 | } | |
3193 | if (vport->port_type == LPFC_PHYSICAL_PORT && val != 0) { | |
e8b62011 JS |
3194 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
3195 | "0468 lpfc_restrict_login must be 0 for " | |
3196 | "Physical ports.\n"); | |
3de2a653 JS |
3197 | vport->cfg_restrict_login = 0; |
3198 | return 0; | |
3199 | } | |
3200 | vport->cfg_restrict_login = val; | |
3201 | return 0; | |
3202 | } | |
3203 | lpfc_vport_param_store(restrict_login); | |
ee959b00 TJ |
3204 | static DEVICE_ATTR(lpfc_restrict_login, S_IRUGO | S_IWUSR, |
3205 | lpfc_restrict_login_show, lpfc_restrict_login_store); | |
92d7f7b0 | 3206 | |
dea3101e | 3207 | /* |
3208 | # Some disk devices have a "select ID" or "select Target" capability. | |
3209 | # From a protocol standpoint "select ID" usually means select the | |
3210 | # Fibre channel "ALPA". In the FC-AL Profile there is an "informative | |
3211 | # annex" which contains a table that maps a "select ID" (a number | |
3212 | # between 0 and 7F) to an ALPA. By default, for compatibility with | |
3213 | # older drivers, the lpfc driver scans this table from low ALPA to high | |
3214 | # ALPA. | |
3215 | # | |
3216 | # Turning on the scan-down variable (on = 1, off = 0) will | |
3217 | # cause the lpfc driver to use an inverted table, effectively | |
3218 | # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1. | |
3219 | # | |
3220 | # (Note: This "select ID" functionality is a LOOP ONLY characteristic | |
3221 | # and will not work across a fabric. Also this parameter will take | |
3222 | # effect only in the case when ALPA map is not available.) | |
3223 | */ | |
3de2a653 JS |
3224 | LPFC_VPORT_ATTR_R(scan_down, 1, 0, 1, |
3225 | "Start scanning for devices from highest ALPA to lowest"); | |
dea3101e | 3226 | |
dea3101e | 3227 | /* |
3228 | # lpfc_topology: link topology for init link | |
3229 | # 0x0 = attempt loop mode then point-to-point | |
367c2713 | 3230 | # 0x01 = internal loopback mode |
dea3101e | 3231 | # 0x02 = attempt point-to-point mode only |
3232 | # 0x04 = attempt loop mode only | |
3233 | # 0x06 = attempt point-to-point mode then loop | |
3234 | # Set point-to-point mode if you want to run as an N_Port. | |
3235 | # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6]. | |
3236 | # Default value is 0. | |
3237 | */ | |
e59058c4 JS |
3238 | |
3239 | /** | |
3621a710 | 3240 | * lpfc_topology_set - Set the adapters topology field |
e59058c4 JS |
3241 | * @phba: lpfc_hba pointer. |
3242 | * @val: topology value. | |
3243 | * | |
3244 | * Description: | |
3245 | * If val is in a valid range then set the adapter's topology field and | |
3246 | * issue a lip; if the lip fails reset the topology to the old value. | |
3247 | * | |
3248 | * If the value is not in range log a kernel error message and return an error. | |
3249 | * | |
3250 | * Returns: | |
3251 | * zero if val is in range and lip okay | |
3252 | * non-zero return value from lpfc_issue_lip() | |
3253 | * -EINVAL val out of range | |
3254 | **/ | |
a257bf90 JS |
3255 | static ssize_t |
3256 | lpfc_topology_store(struct device *dev, struct device_attribute *attr, | |
3257 | const char *buf, size_t count) | |
83108bd3 | 3258 | { |
a257bf90 JS |
3259 | struct Scsi_Host *shost = class_to_shost(dev); |
3260 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
3261 | struct lpfc_hba *phba = vport->phba; | |
3262 | int val = 0; | |
3263 | int nolip = 0; | |
3264 | const char *val_buf = buf; | |
83108bd3 JS |
3265 | int err; |
3266 | uint32_t prev_val; | |
a257bf90 JS |
3267 | |
3268 | if (!strncmp(buf, "nolip ", strlen("nolip "))) { | |
3269 | nolip = 1; | |
3270 | val_buf = &buf[strlen("nolip ")]; | |
3271 | } | |
3272 | ||
3273 | if (!isdigit(val_buf[0])) | |
3274 | return -EINVAL; | |
3275 | if (sscanf(val_buf, "%i", &val) != 1) | |
3276 | return -EINVAL; | |
3277 | ||
83108bd3 JS |
3278 | if (val >= 0 && val <= 6) { |
3279 | prev_val = phba->cfg_topology; | |
3280 | phba->cfg_topology = val; | |
ff78d8f9 JS |
3281 | if (phba->cfg_link_speed == LPFC_USER_LINK_SPEED_16G && |
3282 | val == 4) { | |
3283 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
3284 | "3113 Loop mode not supported at speed %d\n", | |
3285 | phba->cfg_link_speed); | |
3286 | phba->cfg_topology = prev_val; | |
3287 | return -EINVAL; | |
3288 | } | |
a257bf90 JS |
3289 | if (nolip) |
3290 | return strlen(buf); | |
3291 | ||
88a2cfbb JS |
3292 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
3293 | "3054 lpfc_topology changed from %d to %d\n", | |
3294 | prev_val, val); | |
e74c03c8 JS |
3295 | if (prev_val != val && phba->sli_rev == LPFC_SLI_REV4) |
3296 | phba->fc_topology_changed = 1; | |
83108bd3 | 3297 | err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport)); |
a257bf90 | 3298 | if (err) { |
83108bd3 | 3299 | phba->cfg_topology = prev_val; |
a257bf90 JS |
3300 | return -EINVAL; |
3301 | } else | |
3302 | return strlen(buf); | |
83108bd3 JS |
3303 | } |
3304 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3305 | "%d:0467 lpfc_topology attribute cannot be set to %d, " | |
3306 | "allowed range is [0, 6]\n", | |
3307 | phba->brd_no, val); | |
3308 | return -EINVAL; | |
3309 | } | |
3310 | static int lpfc_topology = 0; | |
ab56dc2e | 3311 | module_param(lpfc_topology, int, S_IRUGO); |
83108bd3 JS |
3312 | MODULE_PARM_DESC(lpfc_topology, "Select Fibre Channel topology"); |
3313 | lpfc_param_show(topology) | |
3314 | lpfc_param_init(topology, 0, 0, 6) | |
ee959b00 | 3315 | static DEVICE_ATTR(lpfc_topology, S_IRUGO | S_IWUSR, |
83108bd3 | 3316 | lpfc_topology_show, lpfc_topology_store); |
dea3101e | 3317 | |
21e9a0a5 JS |
3318 | /** |
3319 | * lpfc_static_vport_show: Read callback function for | |
3320 | * lpfc_static_vport sysfs file. | |
3321 | * @dev: Pointer to class device object. | |
3322 | * @attr: device attribute structure. | |
3323 | * @buf: Data buffer. | |
3324 | * | |
3325 | * This function is the read call back function for | |
3326 | * lpfc_static_vport sysfs file. The lpfc_static_vport | |
3327 | * sysfs file report the mageability of the vport. | |
3328 | **/ | |
3329 | static ssize_t | |
3330 | lpfc_static_vport_show(struct device *dev, struct device_attribute *attr, | |
3331 | char *buf) | |
3332 | { | |
3333 | struct Scsi_Host *shost = class_to_shost(dev); | |
3334 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
3335 | if (vport->vport_flag & STATIC_VPORT) | |
3336 | sprintf(buf, "1\n"); | |
3337 | else | |
3338 | sprintf(buf, "0\n"); | |
3339 | ||
3340 | return strlen(buf); | |
3341 | } | |
3342 | ||
3343 | /* | |
3344 | * Sysfs attribute to control the statistical data collection. | |
3345 | */ | |
3346 | static DEVICE_ATTR(lpfc_static_vport, S_IRUGO, | |
3347 | lpfc_static_vport_show, NULL); | |
ea2151b4 JS |
3348 | |
3349 | /** | |
3621a710 | 3350 | * lpfc_stat_data_ctrl_store - write call back for lpfc_stat_data_ctrl sysfs file |
ea2151b4 JS |
3351 | * @dev: Pointer to class device. |
3352 | * @buf: Data buffer. | |
3353 | * @count: Size of the data buffer. | |
3354 | * | |
3355 | * This function get called when an user write to the lpfc_stat_data_ctrl | |
3356 | * sysfs file. This function parse the command written to the sysfs file | |
3357 | * and take appropriate action. These commands are used for controlling | |
3358 | * driver statistical data collection. | |
3359 | * Following are the command this function handles. | |
3360 | * | |
3361 | * setbucket <bucket_type> <base> <step> | |
3362 | * = Set the latency buckets. | |
3363 | * destroybucket = destroy all the buckets. | |
3364 | * start = start data collection | |
3365 | * stop = stop data collection | |
3366 | * reset = reset the collected data | |
3367 | **/ | |
3368 | static ssize_t | |
3369 | lpfc_stat_data_ctrl_store(struct device *dev, struct device_attribute *attr, | |
3370 | const char *buf, size_t count) | |
3371 | { | |
3372 | struct Scsi_Host *shost = class_to_shost(dev); | |
3373 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
3374 | struct lpfc_hba *phba = vport->phba; | |
3375 | #define LPFC_MAX_DATA_CTRL_LEN 1024 | |
3376 | static char bucket_data[LPFC_MAX_DATA_CTRL_LEN]; | |
3377 | unsigned long i; | |
3378 | char *str_ptr, *token; | |
3379 | struct lpfc_vport **vports; | |
3380 | struct Scsi_Host *v_shost; | |
3381 | char *bucket_type_str, *base_str, *step_str; | |
3382 | unsigned long base, step, bucket_type; | |
3383 | ||
3384 | if (!strncmp(buf, "setbucket", strlen("setbucket"))) { | |
a257bf90 | 3385 | if (strlen(buf) > (LPFC_MAX_DATA_CTRL_LEN - 1)) |
ea2151b4 JS |
3386 | return -EINVAL; |
3387 | ||
eb016566 | 3388 | strncpy(bucket_data, buf, LPFC_MAX_DATA_CTRL_LEN); |
ea2151b4 JS |
3389 | str_ptr = &bucket_data[0]; |
3390 | /* Ignore this token - this is command token */ | |
3391 | token = strsep(&str_ptr, "\t "); | |
3392 | if (!token) | |
3393 | return -EINVAL; | |
3394 | ||
3395 | bucket_type_str = strsep(&str_ptr, "\t "); | |
3396 | if (!bucket_type_str) | |
3397 | return -EINVAL; | |
3398 | ||
3399 | if (!strncmp(bucket_type_str, "linear", strlen("linear"))) | |
3400 | bucket_type = LPFC_LINEAR_BUCKET; | |
3401 | else if (!strncmp(bucket_type_str, "power2", strlen("power2"))) | |
3402 | bucket_type = LPFC_POWER2_BUCKET; | |
3403 | else | |
3404 | return -EINVAL; | |
3405 | ||
3406 | base_str = strsep(&str_ptr, "\t "); | |
3407 | if (!base_str) | |
3408 | return -EINVAL; | |
3409 | base = simple_strtoul(base_str, NULL, 0); | |
3410 | ||
3411 | step_str = strsep(&str_ptr, "\t "); | |
3412 | if (!step_str) | |
3413 | return -EINVAL; | |
3414 | step = simple_strtoul(step_str, NULL, 0); | |
3415 | if (!step) | |
3416 | return -EINVAL; | |
3417 | ||
3418 | /* Block the data collection for every vport */ | |
3419 | vports = lpfc_create_vport_work_array(phba); | |
3420 | if (vports == NULL) | |
3421 | return -ENOMEM; | |
3422 | ||
f4b4c68f | 3423 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
ea2151b4 JS |
3424 | v_shost = lpfc_shost_from_vport(vports[i]); |
3425 | spin_lock_irq(v_shost->host_lock); | |
3426 | /* Block and reset data collection */ | |
3427 | vports[i]->stat_data_blocked = 1; | |
3428 | if (vports[i]->stat_data_enabled) | |
3429 | lpfc_vport_reset_stat_data(vports[i]); | |
3430 | spin_unlock_irq(v_shost->host_lock); | |
3431 | } | |
3432 | ||
3433 | /* Set the bucket attributes */ | |
3434 | phba->bucket_type = bucket_type; | |
3435 | phba->bucket_base = base; | |
3436 | phba->bucket_step = step; | |
3437 | ||
f4b4c68f | 3438 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
ea2151b4 JS |
3439 | v_shost = lpfc_shost_from_vport(vports[i]); |
3440 | ||
3441 | /* Unblock data collection */ | |
3442 | spin_lock_irq(v_shost->host_lock); | |
3443 | vports[i]->stat_data_blocked = 0; | |
3444 | spin_unlock_irq(v_shost->host_lock); | |
3445 | } | |
3446 | lpfc_destroy_vport_work_array(phba, vports); | |
3447 | return strlen(buf); | |
3448 | } | |
3449 | ||
3450 | if (!strncmp(buf, "destroybucket", strlen("destroybucket"))) { | |
3451 | vports = lpfc_create_vport_work_array(phba); | |
3452 | if (vports == NULL) | |
3453 | return -ENOMEM; | |
3454 | ||
f4b4c68f | 3455 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
ea2151b4 JS |
3456 | v_shost = lpfc_shost_from_vport(vports[i]); |
3457 | spin_lock_irq(shost->host_lock); | |
3458 | vports[i]->stat_data_blocked = 1; | |
3459 | lpfc_free_bucket(vport); | |
3460 | vport->stat_data_enabled = 0; | |
3461 | vports[i]->stat_data_blocked = 0; | |
3462 | spin_unlock_irq(shost->host_lock); | |
3463 | } | |
3464 | lpfc_destroy_vport_work_array(phba, vports); | |
3465 | phba->bucket_type = LPFC_NO_BUCKET; | |
3466 | phba->bucket_base = 0; | |
3467 | phba->bucket_step = 0; | |
3468 | return strlen(buf); | |
3469 | } | |
3470 | ||
3471 | if (!strncmp(buf, "start", strlen("start"))) { | |
3472 | /* If no buckets configured return error */ | |
3473 | if (phba->bucket_type == LPFC_NO_BUCKET) | |
3474 | return -EINVAL; | |
3475 | spin_lock_irq(shost->host_lock); | |
3476 | if (vport->stat_data_enabled) { | |
3477 | spin_unlock_irq(shost->host_lock); | |
3478 | return strlen(buf); | |
3479 | } | |
3480 | lpfc_alloc_bucket(vport); | |
3481 | vport->stat_data_enabled = 1; | |
3482 | spin_unlock_irq(shost->host_lock); | |
3483 | return strlen(buf); | |
3484 | } | |
3485 | ||
3486 | if (!strncmp(buf, "stop", strlen("stop"))) { | |
3487 | spin_lock_irq(shost->host_lock); | |
3488 | if (vport->stat_data_enabled == 0) { | |
3489 | spin_unlock_irq(shost->host_lock); | |
3490 | return strlen(buf); | |
3491 | } | |
3492 | lpfc_free_bucket(vport); | |
3493 | vport->stat_data_enabled = 0; | |
3494 | spin_unlock_irq(shost->host_lock); | |
3495 | return strlen(buf); | |
3496 | } | |
3497 | ||
3498 | if (!strncmp(buf, "reset", strlen("reset"))) { | |
3499 | if ((phba->bucket_type == LPFC_NO_BUCKET) | |
3500 | || !vport->stat_data_enabled) | |
3501 | return strlen(buf); | |
3502 | spin_lock_irq(shost->host_lock); | |
3503 | vport->stat_data_blocked = 1; | |
3504 | lpfc_vport_reset_stat_data(vport); | |
3505 | vport->stat_data_blocked = 0; | |
3506 | spin_unlock_irq(shost->host_lock); | |
3507 | return strlen(buf); | |
3508 | } | |
3509 | return -EINVAL; | |
3510 | } | |
3511 | ||
3512 | ||
3513 | /** | |
3621a710 | 3514 | * lpfc_stat_data_ctrl_show - Read function for lpfc_stat_data_ctrl sysfs file |
ea2151b4 JS |
3515 | * @dev: Pointer to class device object. |
3516 | * @buf: Data buffer. | |
3517 | * | |
3518 | * This function is the read call back function for | |
3519 | * lpfc_stat_data_ctrl sysfs file. This function report the | |
3520 | * current statistical data collection state. | |
3521 | **/ | |
3522 | static ssize_t | |
3523 | lpfc_stat_data_ctrl_show(struct device *dev, struct device_attribute *attr, | |
3524 | char *buf) | |
3525 | { | |
3526 | struct Scsi_Host *shost = class_to_shost(dev); | |
3527 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
3528 | struct lpfc_hba *phba = vport->phba; | |
3529 | int index = 0; | |
3530 | int i; | |
3531 | char *bucket_type; | |
3532 | unsigned long bucket_value; | |
3533 | ||
3534 | switch (phba->bucket_type) { | |
3535 | case LPFC_LINEAR_BUCKET: | |
3536 | bucket_type = "linear"; | |
3537 | break; | |
3538 | case LPFC_POWER2_BUCKET: | |
3539 | bucket_type = "power2"; | |
3540 | break; | |
3541 | default: | |
3542 | bucket_type = "No Bucket"; | |
3543 | break; | |
3544 | } | |
3545 | ||
3546 | sprintf(&buf[index], "Statistical Data enabled :%d, " | |
3547 | "blocked :%d, Bucket type :%s, Bucket base :%d," | |
3548 | " Bucket step :%d\nLatency Ranges :", | |
3549 | vport->stat_data_enabled, vport->stat_data_blocked, | |
3550 | bucket_type, phba->bucket_base, phba->bucket_step); | |
3551 | index = strlen(buf); | |
3552 | if (phba->bucket_type != LPFC_NO_BUCKET) { | |
3553 | for (i = 0; i < LPFC_MAX_BUCKET_COUNT; i++) { | |
3554 | if (phba->bucket_type == LPFC_LINEAR_BUCKET) | |
3555 | bucket_value = phba->bucket_base + | |
3556 | phba->bucket_step * i; | |
3557 | else | |
3558 | bucket_value = phba->bucket_base + | |
3559 | (1 << i) * phba->bucket_step; | |
3560 | ||
3561 | if (index + 10 > PAGE_SIZE) | |
3562 | break; | |
3563 | sprintf(&buf[index], "%08ld ", bucket_value); | |
3564 | index = strlen(buf); | |
3565 | } | |
3566 | } | |
3567 | sprintf(&buf[index], "\n"); | |
3568 | return strlen(buf); | |
3569 | } | |
3570 | ||
3571 | /* | |
3572 | * Sysfs attribute to control the statistical data collection. | |
3573 | */ | |
3574 | static DEVICE_ATTR(lpfc_stat_data_ctrl, S_IRUGO | S_IWUSR, | |
3575 | lpfc_stat_data_ctrl_show, lpfc_stat_data_ctrl_store); | |
3576 | ||
3577 | /* | |
3578 | * lpfc_drvr_stat_data: sysfs attr to get driver statistical data. | |
3579 | */ | |
3580 | ||
3581 | /* | |
3582 | * Each Bucket takes 11 characters and 1 new line + 17 bytes WWN | |
3583 | * for each target. | |
3584 | */ | |
3585 | #define STAT_DATA_SIZE_PER_TARGET(NUM_BUCKETS) ((NUM_BUCKETS) * 11 + 18) | |
3586 | #define MAX_STAT_DATA_SIZE_PER_TARGET \ | |
3587 | STAT_DATA_SIZE_PER_TARGET(LPFC_MAX_BUCKET_COUNT) | |
3588 | ||
3589 | ||
3590 | /** | |
3621a710 | 3591 | * sysfs_drvr_stat_data_read - Read function for lpfc_drvr_stat_data attribute |
2c3c8bea | 3592 | * @filp: sysfs file |
ea2151b4 JS |
3593 | * @kobj: Pointer to the kernel object |
3594 | * @bin_attr: Attribute object | |
3595 | * @buff: Buffer pointer | |
3596 | * @off: File offset | |
3597 | * @count: Buffer size | |
3598 | * | |
3599 | * This function is the read call back function for lpfc_drvr_stat_data | |
3600 | * sysfs file. This function export the statistical data to user | |
3601 | * applications. | |
3602 | **/ | |
3603 | static ssize_t | |
2c3c8bea CW |
3604 | sysfs_drvr_stat_data_read(struct file *filp, struct kobject *kobj, |
3605 | struct bin_attribute *bin_attr, | |
ea2151b4 JS |
3606 | char *buf, loff_t off, size_t count) |
3607 | { | |
3608 | struct device *dev = container_of(kobj, struct device, | |
3609 | kobj); | |
3610 | struct Scsi_Host *shost = class_to_shost(dev); | |
3611 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
3612 | struct lpfc_hba *phba = vport->phba; | |
3613 | int i = 0, index = 0; | |
3614 | unsigned long nport_index; | |
3615 | struct lpfc_nodelist *ndlp = NULL; | |
3616 | nport_index = (unsigned long)off / | |
3617 | MAX_STAT_DATA_SIZE_PER_TARGET; | |
3618 | ||
3619 | if (!vport->stat_data_enabled || vport->stat_data_blocked | |
3620 | || (phba->bucket_type == LPFC_NO_BUCKET)) | |
3621 | return 0; | |
3622 | ||
3623 | spin_lock_irq(shost->host_lock); | |
3624 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { | |
3625 | if (!NLP_CHK_NODE_ACT(ndlp) || !ndlp->lat_data) | |
3626 | continue; | |
3627 | ||
3628 | if (nport_index > 0) { | |
3629 | nport_index--; | |
3630 | continue; | |
3631 | } | |
3632 | ||
3633 | if ((index + MAX_STAT_DATA_SIZE_PER_TARGET) | |
3634 | > count) | |
3635 | break; | |
3636 | ||
3637 | if (!ndlp->lat_data) | |
3638 | continue; | |
3639 | ||
3640 | /* Print the WWN */ | |
3641 | sprintf(&buf[index], "%02x%02x%02x%02x%02x%02x%02x%02x:", | |
3642 | ndlp->nlp_portname.u.wwn[0], | |
3643 | ndlp->nlp_portname.u.wwn[1], | |
3644 | ndlp->nlp_portname.u.wwn[2], | |
3645 | ndlp->nlp_portname.u.wwn[3], | |
3646 | ndlp->nlp_portname.u.wwn[4], | |
3647 | ndlp->nlp_portname.u.wwn[5], | |
3648 | ndlp->nlp_portname.u.wwn[6], | |
3649 | ndlp->nlp_portname.u.wwn[7]); | |
3650 | ||
3651 | index = strlen(buf); | |
3652 | ||
3653 | for (i = 0; i < LPFC_MAX_BUCKET_COUNT; i++) { | |
3654 | sprintf(&buf[index], "%010u,", | |
3655 | ndlp->lat_data[i].cmd_count); | |
3656 | index = strlen(buf); | |
3657 | } | |
3658 | sprintf(&buf[index], "\n"); | |
3659 | index = strlen(buf); | |
3660 | } | |
3661 | spin_unlock_irq(shost->host_lock); | |
3662 | return index; | |
3663 | } | |
3664 | ||
3665 | static struct bin_attribute sysfs_drvr_stat_data_attr = { | |
3666 | .attr = { | |
3667 | .name = "lpfc_drvr_stat_data", | |
3668 | .mode = S_IRUSR, | |
ea2151b4 JS |
3669 | }, |
3670 | .size = LPFC_MAX_TARGET * MAX_STAT_DATA_SIZE_PER_TARGET, | |
3671 | .read = sysfs_drvr_stat_data_read, | |
3672 | .write = NULL, | |
3673 | }; | |
3674 | ||
dea3101e | 3675 | /* |
3676 | # lpfc_link_speed: Link speed selection for initializing the Fibre Channel | |
3677 | # connection. | |
76a95d75 | 3678 | # Value range is [0,16]. Default value is 0. |
dea3101e | 3679 | */ |
e59058c4 | 3680 | /** |
3621a710 | 3681 | * lpfc_link_speed_set - Set the adapters link speed |
e59058c4 JS |
3682 | * @phba: lpfc_hba pointer. |
3683 | * @val: link speed value. | |
3684 | * | |
3685 | * Description: | |
3686 | * If val is in a valid range then set the adapter's link speed field and | |
3687 | * issue a lip; if the lip fails reset the link speed to the old value. | |
3688 | * | |
3689 | * Notes: | |
3690 | * If the value is not in range log a kernel error message and return an error. | |
3691 | * | |
3692 | * Returns: | |
3693 | * zero if val is in range and lip okay. | |
3694 | * non-zero return value from lpfc_issue_lip() | |
3695 | * -EINVAL val out of range | |
3696 | **/ | |
a257bf90 JS |
3697 | static ssize_t |
3698 | lpfc_link_speed_store(struct device *dev, struct device_attribute *attr, | |
3699 | const char *buf, size_t count) | |
83108bd3 | 3700 | { |
a257bf90 JS |
3701 | struct Scsi_Host *shost = class_to_shost(dev); |
3702 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
3703 | struct lpfc_hba *phba = vport->phba; | |
76a95d75 | 3704 | int val = LPFC_USER_LINK_SPEED_AUTO; |
a257bf90 JS |
3705 | int nolip = 0; |
3706 | const char *val_buf = buf; | |
83108bd3 JS |
3707 | int err; |
3708 | uint32_t prev_val; | |
3709 | ||
a257bf90 JS |
3710 | if (!strncmp(buf, "nolip ", strlen("nolip "))) { |
3711 | nolip = 1; | |
3712 | val_buf = &buf[strlen("nolip ")]; | |
3713 | } | |
3714 | ||
3715 | if (!isdigit(val_buf[0])) | |
3716 | return -EINVAL; | |
3717 | if (sscanf(val_buf, "%i", &val) != 1) | |
3718 | return -EINVAL; | |
3719 | ||
88a2cfbb JS |
3720 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
3721 | "3055 lpfc_link_speed changed from %d to %d %s\n", | |
3722 | phba->cfg_link_speed, val, nolip ? "(nolip)" : "(lip)"); | |
3723 | ||
76a95d75 JS |
3724 | if (((val == LPFC_USER_LINK_SPEED_1G) && !(phba->lmt & LMT_1Gb)) || |
3725 | ((val == LPFC_USER_LINK_SPEED_2G) && !(phba->lmt & LMT_2Gb)) || | |
3726 | ((val == LPFC_USER_LINK_SPEED_4G) && !(phba->lmt & LMT_4Gb)) || | |
3727 | ((val == LPFC_USER_LINK_SPEED_8G) && !(phba->lmt & LMT_8Gb)) || | |
3728 | ((val == LPFC_USER_LINK_SPEED_10G) && !(phba->lmt & LMT_10Gb)) || | |
3729 | ((val == LPFC_USER_LINK_SPEED_16G) && !(phba->lmt & LMT_16Gb))) { | |
3730 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3731 | "2879 lpfc_link_speed attribute cannot be set " | |
3732 | "to %d. Speed is not supported by this port.\n", | |
3733 | val); | |
83108bd3 | 3734 | return -EINVAL; |
76a95d75 | 3735 | } |
ff78d8f9 JS |
3736 | if (val == LPFC_USER_LINK_SPEED_16G && |
3737 | phba->fc_topology == LPFC_TOPOLOGY_LOOP) { | |
3738 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3739 | "3112 lpfc_link_speed attribute cannot be set " | |
3740 | "to %d. Speed is not supported in loop mode.\n", | |
3741 | val); | |
3742 | return -EINVAL; | |
3743 | } | |
76a95d75 JS |
3744 | if ((val >= 0) && (val <= LPFC_USER_LINK_SPEED_MAX) && |
3745 | (LPFC_USER_LINK_SPEED_BITMAP & (1 << val))) { | |
83108bd3 JS |
3746 | prev_val = phba->cfg_link_speed; |
3747 | phba->cfg_link_speed = val; | |
a257bf90 JS |
3748 | if (nolip) |
3749 | return strlen(buf); | |
3750 | ||
83108bd3 | 3751 | err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport)); |
a257bf90 | 3752 | if (err) { |
83108bd3 | 3753 | phba->cfg_link_speed = prev_val; |
a257bf90 JS |
3754 | return -EINVAL; |
3755 | } else | |
3756 | return strlen(buf); | |
83108bd3 | 3757 | } |
83108bd3 | 3758 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
76a95d75 JS |
3759 | "0469 lpfc_link_speed attribute cannot be set to %d, " |
3760 | "allowed values are ["LPFC_LINK_SPEED_STRING"]\n", val); | |
83108bd3 JS |
3761 | return -EINVAL; |
3762 | } | |
3763 | ||
3764 | static int lpfc_link_speed = 0; | |
ab56dc2e | 3765 | module_param(lpfc_link_speed, int, S_IRUGO); |
83108bd3 JS |
3766 | MODULE_PARM_DESC(lpfc_link_speed, "Select link speed"); |
3767 | lpfc_param_show(link_speed) | |
e59058c4 JS |
3768 | |
3769 | /** | |
3621a710 | 3770 | * lpfc_link_speed_init - Set the adapters link speed |
e59058c4 JS |
3771 | * @phba: lpfc_hba pointer. |
3772 | * @val: link speed value. | |
3773 | * | |
3774 | * Description: | |
3775 | * If val is in a valid range then set the adapter's link speed field. | |
3776 | * | |
3777 | * Notes: | |
3778 | * If the value is not in range log a kernel error message, clear the link | |
3779 | * speed and return an error. | |
3780 | * | |
3781 | * Returns: | |
3782 | * zero if val saved. | |
3783 | * -EINVAL val out of range | |
3784 | **/ | |
83108bd3 JS |
3785 | static int |
3786 | lpfc_link_speed_init(struct lpfc_hba *phba, int val) | |
3787 | { | |
ff78d8f9 JS |
3788 | if (val == LPFC_USER_LINK_SPEED_16G && phba->cfg_topology == 4) { |
3789 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3790 | "3111 lpfc_link_speed of %d cannot " | |
3791 | "support loop mode, setting topology to default.\n", | |
3792 | val); | |
3793 | phba->cfg_topology = 0; | |
3794 | } | |
76a95d75 JS |
3795 | if ((val >= 0) && (val <= LPFC_USER_LINK_SPEED_MAX) && |
3796 | (LPFC_USER_LINK_SPEED_BITMAP & (1 << val))) { | |
83108bd3 JS |
3797 | phba->cfg_link_speed = val; |
3798 | return 0; | |
3799 | } | |
3800 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
d7c255b2 | 3801 | "0405 lpfc_link_speed attribute cannot " |
83108bd3 JS |
3802 | "be set to %d, allowed values are " |
3803 | "["LPFC_LINK_SPEED_STRING"]\n", val); | |
76a95d75 | 3804 | phba->cfg_link_speed = LPFC_USER_LINK_SPEED_AUTO; |
83108bd3 JS |
3805 | return -EINVAL; |
3806 | } | |
3807 | ||
ee959b00 | 3808 | static DEVICE_ATTR(lpfc_link_speed, S_IRUGO | S_IWUSR, |
76a95d75 | 3809 | lpfc_link_speed_show, lpfc_link_speed_store); |
dea3101e | 3810 | |
0d878419 JS |
3811 | /* |
3812 | # lpfc_aer_support: Support PCIe device Advanced Error Reporting (AER) | |
3813 | # 0 = aer disabled or not supported | |
3814 | # 1 = aer supported and enabled (default) | |
3815 | # Value range is [0,1]. Default value is 1. | |
3816 | */ | |
3817 | ||
3818 | /** | |
3819 | * lpfc_aer_support_store - Set the adapter for aer support | |
3820 | * | |
3821 | * @dev: class device that is converted into a Scsi_host. | |
3822 | * @attr: device attribute, not used. | |
912e3acd | 3823 | * @buf: containing enable or disable aer flag. |
0d878419 JS |
3824 | * @count: unused variable. |
3825 | * | |
3826 | * Description: | |
3827 | * If the val is 1 and currently the device's AER capability was not | |
3828 | * enabled, invoke the kernel's enable AER helper routine, trying to | |
3829 | * enable the device's AER capability. If the helper routine enabling | |
3830 | * AER returns success, update the device's cfg_aer_support flag to | |
3831 | * indicate AER is supported by the device; otherwise, if the device | |
3832 | * AER capability is already enabled to support AER, then do nothing. | |
3833 | * | |
3834 | * If the val is 0 and currently the device's AER support was enabled, | |
3835 | * invoke the kernel's disable AER helper routine. After that, update | |
3836 | * the device's cfg_aer_support flag to indicate AER is not supported | |
3837 | * by the device; otherwise, if the device AER capability is already | |
3838 | * disabled from supporting AER, then do nothing. | |
3839 | * | |
3840 | * Returns: | |
3841 | * length of the buf on success if val is in range the intended mode | |
3842 | * is supported. | |
3843 | * -EINVAL if val out of range or intended mode is not supported. | |
3844 | **/ | |
3845 | static ssize_t | |
3846 | lpfc_aer_support_store(struct device *dev, struct device_attribute *attr, | |
3847 | const char *buf, size_t count) | |
3848 | { | |
3849 | struct Scsi_Host *shost = class_to_shost(dev); | |
3850 | struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; | |
3851 | struct lpfc_hba *phba = vport->phba; | |
3852 | int val = 0, rc = -EINVAL; | |
3853 | ||
3854 | if (!isdigit(buf[0])) | |
3855 | return -EINVAL; | |
3856 | if (sscanf(buf, "%i", &val) != 1) | |
3857 | return -EINVAL; | |
3858 | ||
3859 | switch (val) { | |
3860 | case 0: | |
3861 | if (phba->hba_flag & HBA_AER_ENABLED) { | |
3862 | rc = pci_disable_pcie_error_reporting(phba->pcidev); | |
3863 | if (!rc) { | |
3864 | spin_lock_irq(&phba->hbalock); | |
3865 | phba->hba_flag &= ~HBA_AER_ENABLED; | |
3866 | spin_unlock_irq(&phba->hbalock); | |
3867 | phba->cfg_aer_support = 0; | |
3868 | rc = strlen(buf); | |
3869 | } else | |
891478a2 JS |
3870 | rc = -EPERM; |
3871 | } else { | |
0d878419 | 3872 | phba->cfg_aer_support = 0; |
891478a2 JS |
3873 | rc = strlen(buf); |
3874 | } | |
0d878419 JS |
3875 | break; |
3876 | case 1: | |
3877 | if (!(phba->hba_flag & HBA_AER_ENABLED)) { | |
3878 | rc = pci_enable_pcie_error_reporting(phba->pcidev); | |
3879 | if (!rc) { | |
3880 | spin_lock_irq(&phba->hbalock); | |
3881 | phba->hba_flag |= HBA_AER_ENABLED; | |
3882 | spin_unlock_irq(&phba->hbalock); | |
3883 | phba->cfg_aer_support = 1; | |
3884 | rc = strlen(buf); | |
3885 | } else | |
891478a2 JS |
3886 | rc = -EPERM; |
3887 | } else { | |
0d878419 | 3888 | phba->cfg_aer_support = 1; |
891478a2 JS |
3889 | rc = strlen(buf); |
3890 | } | |
0d878419 JS |
3891 | break; |
3892 | default: | |
3893 | rc = -EINVAL; | |
3894 | break; | |
3895 | } | |
3896 | return rc; | |
3897 | } | |
3898 | ||
3899 | static int lpfc_aer_support = 1; | |
ab56dc2e | 3900 | module_param(lpfc_aer_support, int, S_IRUGO); |
0d878419 JS |
3901 | MODULE_PARM_DESC(lpfc_aer_support, "Enable PCIe device AER support"); |
3902 | lpfc_param_show(aer_support) | |
3903 | ||
3904 | /** | |
3905 | * lpfc_aer_support_init - Set the initial adapters aer support flag | |
3906 | * @phba: lpfc_hba pointer. | |
912e3acd | 3907 | * @val: enable aer or disable aer flag. |
0d878419 JS |
3908 | * |
3909 | * Description: | |
3910 | * If val is in a valid range [0,1], then set the adapter's initial | |
3911 | * cfg_aer_support field. It will be up to the driver's probe_one | |
3912 | * routine to determine whether the device's AER support can be set | |
3913 | * or not. | |
3914 | * | |
3915 | * Notes: | |
3916 | * If the value is not in range log a kernel error message, and | |
3917 | * choose the default value of setting AER support and return. | |
3918 | * | |
3919 | * Returns: | |
3920 | * zero if val saved. | |
3921 | * -EINVAL val out of range | |
3922 | **/ | |
3923 | static int | |
3924 | lpfc_aer_support_init(struct lpfc_hba *phba, int val) | |
3925 | { | |
3926 | if (val == 0 || val == 1) { | |
3927 | phba->cfg_aer_support = val; | |
3928 | return 0; | |
3929 | } | |
3930 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3931 | "2712 lpfc_aer_support attribute value %d out " | |
3932 | "of range, allowed values are 0|1, setting it " | |
3933 | "to default value of 1\n", val); | |
891478a2 | 3934 | /* By default, try to enable AER on a device */ |
0d878419 JS |
3935 | phba->cfg_aer_support = 1; |
3936 | return -EINVAL; | |
3937 | } | |
3938 | ||
3939 | static DEVICE_ATTR(lpfc_aer_support, S_IRUGO | S_IWUSR, | |
3940 | lpfc_aer_support_show, lpfc_aer_support_store); | |
3941 | ||
3942 | /** | |
3943 | * lpfc_aer_cleanup_state - Clean up aer state to the aer enabled device | |
3944 | * @dev: class device that is converted into a Scsi_host. | |
3945 | * @attr: device attribute, not used. | |
912e3acd | 3946 | * @buf: containing flag 1 for aer cleanup state. |
0d878419 JS |
3947 | * @count: unused variable. |
3948 | * | |
3949 | * Description: | |
3950 | * If the @buf contains 1 and the device currently has the AER support | |
3951 | * enabled, then invokes the kernel AER helper routine | |
3952 | * pci_cleanup_aer_uncorrect_error_status to clean up the uncorrectable | |
3953 | * error status register. | |
3954 | * | |
3955 | * Notes: | |
3956 | * | |
3957 | * Returns: | |
3958 | * -EINVAL if the buf does not contain the 1 or the device is not currently | |
3959 | * enabled with the AER support. | |
3960 | **/ | |
3961 | static ssize_t | |
3962 | lpfc_aer_cleanup_state(struct device *dev, struct device_attribute *attr, | |
3963 | const char *buf, size_t count) | |
3964 | { | |
3965 | struct Scsi_Host *shost = class_to_shost(dev); | |
3966 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
3967 | struct lpfc_hba *phba = vport->phba; | |
3968 | int val, rc = -1; | |
3969 | ||
3970 | if (!isdigit(buf[0])) | |
3971 | return -EINVAL; | |
3972 | if (sscanf(buf, "%i", &val) != 1) | |
3973 | return -EINVAL; | |
891478a2 JS |
3974 | if (val != 1) |
3975 | return -EINVAL; | |
0d878419 | 3976 | |
891478a2 | 3977 | if (phba->hba_flag & HBA_AER_ENABLED) |
0d878419 JS |
3978 | rc = pci_cleanup_aer_uncorrect_error_status(phba->pcidev); |
3979 | ||
3980 | if (rc == 0) | |
3981 | return strlen(buf); | |
3982 | else | |
891478a2 | 3983 | return -EPERM; |
0d878419 JS |
3984 | } |
3985 | ||
3986 | static DEVICE_ATTR(lpfc_aer_state_cleanup, S_IWUSR, NULL, | |
3987 | lpfc_aer_cleanup_state); | |
3988 | ||
912e3acd JS |
3989 | /** |
3990 | * lpfc_sriov_nr_virtfn_store - Enable the adapter for sr-iov virtual functions | |
3991 | * | |
3992 | * @dev: class device that is converted into a Scsi_host. | |
3993 | * @attr: device attribute, not used. | |
3994 | * @buf: containing the string the number of vfs to be enabled. | |
3995 | * @count: unused variable. | |
3996 | * | |
3997 | * Description: | |
3998 | * When this api is called either through user sysfs, the driver shall | |
3999 | * try to enable or disable SR-IOV virtual functions according to the | |
4000 | * following: | |
4001 | * | |
4002 | * If zero virtual function has been enabled to the physical function, | |
4003 | * the driver shall invoke the pci enable virtual function api trying | |
4004 | * to enable the virtual functions. If the nr_vfn provided is greater | |
4005 | * than the maximum supported, the maximum virtual function number will | |
4006 | * be used for invoking the api; otherwise, the nr_vfn provided shall | |
4007 | * be used for invoking the api. If the api call returned success, the | |
4008 | * actual number of virtual functions enabled will be set to the driver | |
4009 | * cfg_sriov_nr_virtfn; otherwise, -EINVAL shall be returned and driver | |
4010 | * cfg_sriov_nr_virtfn remains zero. | |
4011 | * | |
4012 | * If none-zero virtual functions have already been enabled to the | |
4013 | * physical function, as reflected by the driver's cfg_sriov_nr_virtfn, | |
4014 | * -EINVAL will be returned and the driver does nothing; | |
4015 | * | |
4016 | * If the nr_vfn provided is zero and none-zero virtual functions have | |
4017 | * been enabled, as indicated by the driver's cfg_sriov_nr_virtfn, the | |
4018 | * disabling virtual function api shall be invoded to disable all the | |
4019 | * virtual functions and driver's cfg_sriov_nr_virtfn shall be set to | |
4020 | * zero. Otherwise, if zero virtual function has been enabled, do | |
4021 | * nothing. | |
4022 | * | |
4023 | * Returns: | |
4024 | * length of the buf on success if val is in range the intended mode | |
4025 | * is supported. | |
4026 | * -EINVAL if val out of range or intended mode is not supported. | |
4027 | **/ | |
4028 | static ssize_t | |
4029 | lpfc_sriov_nr_virtfn_store(struct device *dev, struct device_attribute *attr, | |
4030 | const char *buf, size_t count) | |
4031 | { | |
4032 | struct Scsi_Host *shost = class_to_shost(dev); | |
4033 | struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; | |
4034 | struct lpfc_hba *phba = vport->phba; | |
4035 | struct pci_dev *pdev = phba->pcidev; | |
4036 | int val = 0, rc = -EINVAL; | |
4037 | ||
4038 | /* Sanity check on user data */ | |
4039 | if (!isdigit(buf[0])) | |
4040 | return -EINVAL; | |
4041 | if (sscanf(buf, "%i", &val) != 1) | |
4042 | return -EINVAL; | |
4043 | if (val < 0) | |
4044 | return -EINVAL; | |
4045 | ||
4046 | /* Request disabling virtual functions */ | |
4047 | if (val == 0) { | |
4048 | if (phba->cfg_sriov_nr_virtfn > 0) { | |
4049 | pci_disable_sriov(pdev); | |
4050 | phba->cfg_sriov_nr_virtfn = 0; | |
4051 | } | |
4052 | return strlen(buf); | |
4053 | } | |
4054 | ||
4055 | /* Request enabling virtual functions */ | |
4056 | if (phba->cfg_sriov_nr_virtfn > 0) { | |
4057 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4058 | "3018 There are %d virtual functions " | |
4059 | "enabled on physical function.\n", | |
4060 | phba->cfg_sriov_nr_virtfn); | |
4061 | return -EEXIST; | |
4062 | } | |
4063 | ||
4064 | if (val <= LPFC_MAX_VFN_PER_PFN) | |
4065 | phba->cfg_sriov_nr_virtfn = val; | |
4066 | else { | |
4067 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4068 | "3019 Enabling %d virtual functions is not " | |
4069 | "allowed.\n", val); | |
4070 | return -EINVAL; | |
4071 | } | |
4072 | ||
4073 | rc = lpfc_sli_probe_sriov_nr_virtfn(phba, phba->cfg_sriov_nr_virtfn); | |
4074 | if (rc) { | |
4075 | phba->cfg_sriov_nr_virtfn = 0; | |
4076 | rc = -EPERM; | |
4077 | } else | |
4078 | rc = strlen(buf); | |
4079 | ||
4080 | return rc; | |
4081 | } | |
4082 | ||
4083 | static int lpfc_sriov_nr_virtfn = LPFC_DEF_VFN_PER_PFN; | |
4084 | module_param(lpfc_sriov_nr_virtfn, int, S_IRUGO|S_IWUSR); | |
4085 | MODULE_PARM_DESC(lpfc_sriov_nr_virtfn, "Enable PCIe device SR-IOV virtual fn"); | |
4086 | lpfc_param_show(sriov_nr_virtfn) | |
4087 | ||
4088 | /** | |
4089 | * lpfc_sriov_nr_virtfn_init - Set the initial sr-iov virtual function enable | |
4090 | * @phba: lpfc_hba pointer. | |
4091 | * @val: link speed value. | |
4092 | * | |
4093 | * Description: | |
4094 | * If val is in a valid range [0,255], then set the adapter's initial | |
4095 | * cfg_sriov_nr_virtfn field. If it's greater than the maximum, the maximum | |
4096 | * number shall be used instead. It will be up to the driver's probe_one | |
4097 | * routine to determine whether the device's SR-IOV is supported or not. | |
4098 | * | |
4099 | * Returns: | |
4100 | * zero if val saved. | |
4101 | * -EINVAL val out of range | |
4102 | **/ | |
4103 | static int | |
4104 | lpfc_sriov_nr_virtfn_init(struct lpfc_hba *phba, int val) | |
4105 | { | |
4106 | if (val >= 0 && val <= LPFC_MAX_VFN_PER_PFN) { | |
4107 | phba->cfg_sriov_nr_virtfn = val; | |
4108 | return 0; | |
4109 | } | |
4110 | ||
4111 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4112 | "3017 Enabling %d virtual functions is not " | |
4113 | "allowed.\n", val); | |
4114 | return -EINVAL; | |
4115 | } | |
4116 | static DEVICE_ATTR(lpfc_sriov_nr_virtfn, S_IRUGO | S_IWUSR, | |
4117 | lpfc_sriov_nr_virtfn_show, lpfc_sriov_nr_virtfn_store); | |
4118 | ||
c71ab861 JS |
4119 | /** |
4120 | * lpfc_request_firmware_store - Request for Linux generic firmware upgrade | |
4121 | * | |
4122 | * @dev: class device that is converted into a Scsi_host. | |
4123 | * @attr: device attribute, not used. | |
4124 | * @buf: containing the string the number of vfs to be enabled. | |
4125 | * @count: unused variable. | |
4126 | * | |
4127 | * Description: | |
4128 | * | |
4129 | * Returns: | |
4130 | * length of the buf on success if val is in range the intended mode | |
4131 | * is supported. | |
4132 | * -EINVAL if val out of range or intended mode is not supported. | |
4133 | **/ | |
4134 | static ssize_t | |
4135 | lpfc_request_firmware_upgrade_store(struct device *dev, | |
4136 | struct device_attribute *attr, | |
4137 | const char *buf, size_t count) | |
4138 | { | |
4139 | struct Scsi_Host *shost = class_to_shost(dev); | |
4140 | struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; | |
4141 | struct lpfc_hba *phba = vport->phba; | |
4142 | int val = 0, rc = -EINVAL; | |
4143 | ||
4144 | /* Sanity check on user data */ | |
4145 | if (!isdigit(buf[0])) | |
4146 | return -EINVAL; | |
4147 | if (sscanf(buf, "%i", &val) != 1) | |
4148 | return -EINVAL; | |
4149 | if (val != 1) | |
4150 | return -EINVAL; | |
4151 | ||
4152 | rc = lpfc_sli4_request_firmware_update(phba, RUN_FW_UPGRADE); | |
4153 | if (rc) | |
4154 | rc = -EPERM; | |
4155 | else | |
4156 | rc = strlen(buf); | |
4157 | return rc; | |
4158 | } | |
4159 | ||
4160 | static int lpfc_req_fw_upgrade; | |
4161 | module_param(lpfc_req_fw_upgrade, int, S_IRUGO|S_IWUSR); | |
4162 | MODULE_PARM_DESC(lpfc_req_fw_upgrade, "Enable Linux generic firmware upgrade"); | |
4163 | lpfc_param_show(request_firmware_upgrade) | |
4164 | ||
4165 | /** | |
4166 | * lpfc_request_firmware_upgrade_init - Enable initial linux generic fw upgrade | |
4167 | * @phba: lpfc_hba pointer. | |
4168 | * @val: 0 or 1. | |
4169 | * | |
4170 | * Description: | |
4171 | * Set the initial Linux generic firmware upgrade enable or disable flag. | |
4172 | * | |
4173 | * Returns: | |
4174 | * zero if val saved. | |
4175 | * -EINVAL val out of range | |
4176 | **/ | |
4177 | static int | |
4178 | lpfc_request_firmware_upgrade_init(struct lpfc_hba *phba, int val) | |
4179 | { | |
4180 | if (val >= 0 && val <= 1) { | |
4181 | phba->cfg_request_firmware_upgrade = val; | |
4182 | return 0; | |
4183 | } | |
4184 | return -EINVAL; | |
4185 | } | |
4186 | static DEVICE_ATTR(lpfc_req_fw_upgrade, S_IRUGO | S_IWUSR, | |
4187 | lpfc_request_firmware_upgrade_show, | |
4188 | lpfc_request_firmware_upgrade_store); | |
4189 | ||
173edbb2 JS |
4190 | /** |
4191 | * lpfc_fcp_imax_store | |
4192 | * | |
4193 | * @dev: class device that is converted into a Scsi_host. | |
4194 | * @attr: device attribute, not used. | |
4195 | * @buf: string with the number of fast-path FCP interrupts per second. | |
4196 | * @count: unused variable. | |
4197 | * | |
4198 | * Description: | |
4199 | * If val is in a valid range [636,651042], then set the adapter's | |
4200 | * maximum number of fast-path FCP interrupts per second. | |
4201 | * | |
4202 | * Returns: | |
4203 | * length of the buf on success if val is in range the intended mode | |
4204 | * is supported. | |
4205 | * -EINVAL if val out of range or intended mode is not supported. | |
4206 | **/ | |
4207 | static ssize_t | |
4208 | lpfc_fcp_imax_store(struct device *dev, struct device_attribute *attr, | |
4209 | const char *buf, size_t count) | |
4210 | { | |
4211 | struct Scsi_Host *shost = class_to_shost(dev); | |
4212 | struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; | |
4213 | struct lpfc_hba *phba = vport->phba; | |
4214 | int val = 0, i; | |
4215 | ||
bf8dae83 JS |
4216 | /* fcp_imax is only valid for SLI4 */ |
4217 | if (phba->sli_rev != LPFC_SLI_REV4) | |
4218 | return -EINVAL; | |
4219 | ||
173edbb2 JS |
4220 | /* Sanity check on user data */ |
4221 | if (!isdigit(buf[0])) | |
4222 | return -EINVAL; | |
4223 | if (sscanf(buf, "%i", &val) != 1) | |
4224 | return -EINVAL; | |
4225 | ||
bf8dae83 JS |
4226 | /* |
4227 | * Value range for the HBA is [5000,5000000] | |
4228 | * The value for each EQ depends on how many EQs are configured. | |
4229 | */ | |
4230 | if (val < LPFC_MIN_IMAX || val > LPFC_MAX_IMAX) | |
173edbb2 JS |
4231 | return -EINVAL; |
4232 | ||
4233 | phba->cfg_fcp_imax = (uint32_t)val; | |
67d12733 | 4234 | for (i = 0; i < phba->cfg_fcp_io_channel; i += LPFC_MAX_EQ_DELAY) |
173edbb2 JS |
4235 | lpfc_modify_fcp_eq_delay(phba, i); |
4236 | ||
4237 | return strlen(buf); | |
4238 | } | |
4239 | ||
4240 | /* | |
4241 | # lpfc_fcp_imax: The maximum number of fast-path FCP interrupts per second | |
bf8dae83 | 4242 | # for the HBA. |
173edbb2 | 4243 | # |
bf8dae83 | 4244 | # Value range is [5,000 to 5,000,000]. Default value is 50,000. |
173edbb2 | 4245 | */ |
bf8dae83 | 4246 | static int lpfc_fcp_imax = LPFC_DEF_IMAX; |
173edbb2 JS |
4247 | module_param(lpfc_fcp_imax, int, S_IRUGO|S_IWUSR); |
4248 | MODULE_PARM_DESC(lpfc_fcp_imax, | |
bf8dae83 | 4249 | "Set the maximum number of FCP interrupts per second per HBA"); |
173edbb2 JS |
4250 | lpfc_param_show(fcp_imax) |
4251 | ||
4252 | /** | |
4253 | * lpfc_fcp_imax_init - Set the initial sr-iov virtual function enable | |
4254 | * @phba: lpfc_hba pointer. | |
4255 | * @val: link speed value. | |
4256 | * | |
4257 | * Description: | |
4258 | * If val is in a valid range [636,651042], then initialize the adapter's | |
4259 | * maximum number of fast-path FCP interrupts per second. | |
4260 | * | |
4261 | * Returns: | |
4262 | * zero if val saved. | |
4263 | * -EINVAL val out of range | |
4264 | **/ | |
4265 | static int | |
4266 | lpfc_fcp_imax_init(struct lpfc_hba *phba, int val) | |
4267 | { | |
bf8dae83 JS |
4268 | if (phba->sli_rev != LPFC_SLI_REV4) { |
4269 | phba->cfg_fcp_imax = 0; | |
4270 | return 0; | |
4271 | } | |
4272 | ||
4273 | if (val >= LPFC_MIN_IMAX && val <= LPFC_MAX_IMAX) { | |
173edbb2 JS |
4274 | phba->cfg_fcp_imax = val; |
4275 | return 0; | |
4276 | } | |
4277 | ||
4278 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4279 | "3016 fcp_imax: %d out of range, using default\n", val); | |
bf8dae83 | 4280 | phba->cfg_fcp_imax = LPFC_DEF_IMAX; |
173edbb2 JS |
4281 | |
4282 | return 0; | |
4283 | } | |
4284 | ||
4285 | static DEVICE_ATTR(lpfc_fcp_imax, S_IRUGO | S_IWUSR, | |
4286 | lpfc_fcp_imax_show, lpfc_fcp_imax_store); | |
4287 | ||
7bb03bbf JS |
4288 | /** |
4289 | * lpfc_state_show - Display current driver CPU affinity | |
4290 | * @dev: class converted to a Scsi_host structure. | |
4291 | * @attr: device attribute, not used. | |
4292 | * @buf: on return contains text describing the state of the link. | |
4293 | * | |
4294 | * Returns: size of formatted string. | |
4295 | **/ | |
4296 | static ssize_t | |
4297 | lpfc_fcp_cpu_map_show(struct device *dev, struct device_attribute *attr, | |
4298 | char *buf) | |
4299 | { | |
4300 | struct Scsi_Host *shost = class_to_shost(dev); | |
4301 | struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; | |
4302 | struct lpfc_hba *phba = vport->phba; | |
4303 | struct lpfc_vector_map_info *cpup; | |
76fd07a6 | 4304 | int len = 0; |
7bb03bbf JS |
4305 | |
4306 | if ((phba->sli_rev != LPFC_SLI_REV4) || | |
4307 | (phba->intr_type != MSIX)) | |
4308 | return len; | |
4309 | ||
4310 | switch (phba->cfg_fcp_cpu_map) { | |
4311 | case 0: | |
4312 | len += snprintf(buf + len, PAGE_SIZE-len, | |
4313 | "fcp_cpu_map: No mapping (%d)\n", | |
4314 | phba->cfg_fcp_cpu_map); | |
4315 | return len; | |
4316 | case 1: | |
4317 | len += snprintf(buf + len, PAGE_SIZE-len, | |
4318 | "fcp_cpu_map: HBA centric mapping (%d): " | |
4319 | "%d online CPUs\n", | |
4320 | phba->cfg_fcp_cpu_map, | |
4321 | phba->sli4_hba.num_online_cpu); | |
4322 | break; | |
4323 | case 2: | |
4324 | len += snprintf(buf + len, PAGE_SIZE-len, | |
4325 | "fcp_cpu_map: Driver centric mapping (%d): " | |
4326 | "%d online CPUs\n", | |
4327 | phba->cfg_fcp_cpu_map, | |
4328 | phba->sli4_hba.num_online_cpu); | |
4329 | break; | |
4330 | } | |
4331 | ||
76fd07a6 JS |
4332 | while (phba->sli4_hba.curr_disp_cpu < phba->sli4_hba.num_present_cpu) { |
4333 | cpup = &phba->sli4_hba.cpu_map[phba->sli4_hba.curr_disp_cpu]; | |
4334 | ||
4335 | /* margin should fit in this and the truncated message */ | |
7bb03bbf JS |
4336 | if (cpup->irq == LPFC_VECTOR_MAP_EMPTY) |
4337 | len += snprintf(buf + len, PAGE_SIZE-len, | |
4338 | "CPU %02d io_chan %02d " | |
4339 | "physid %d coreid %d\n", | |
76fd07a6 JS |
4340 | phba->sli4_hba.curr_disp_cpu, |
4341 | cpup->channel_id, cpup->phys_id, | |
7bb03bbf JS |
4342 | cpup->core_id); |
4343 | else | |
4344 | len += snprintf(buf + len, PAGE_SIZE-len, | |
4345 | "CPU %02d io_chan %02d " | |
4346 | "physid %d coreid %d IRQ %d\n", | |
76fd07a6 JS |
4347 | phba->sli4_hba.curr_disp_cpu, |
4348 | cpup->channel_id, cpup->phys_id, | |
7bb03bbf JS |
4349 | cpup->core_id, cpup->irq); |
4350 | ||
76fd07a6 JS |
4351 | phba->sli4_hba.curr_disp_cpu++; |
4352 | ||
4353 | /* display max number of CPUs keeping some margin */ | |
4354 | if (phba->sli4_hba.curr_disp_cpu < | |
4355 | phba->sli4_hba.num_present_cpu && | |
4356 | (len >= (PAGE_SIZE - 64))) { | |
4357 | len += snprintf(buf + len, PAGE_SIZE-len, "more...\n"); | |
4358 | break; | |
4359 | } | |
7bb03bbf | 4360 | } |
76fd07a6 JS |
4361 | |
4362 | if (phba->sli4_hba.curr_disp_cpu == phba->sli4_hba.num_present_cpu) | |
4363 | phba->sli4_hba.curr_disp_cpu = 0; | |
4364 | ||
7bb03bbf JS |
4365 | return len; |
4366 | } | |
4367 | ||
4368 | /** | |
4369 | * lpfc_fcp_cpu_map_store - Change CPU affinity of driver vectors | |
4370 | * @dev: class device that is converted into a Scsi_host. | |
4371 | * @attr: device attribute, not used. | |
4372 | * @buf: one or more lpfc_polling_flags values. | |
4373 | * @count: not used. | |
4374 | * | |
4375 | * Returns: | |
4376 | * -EINVAL - Not implemented yet. | |
4377 | **/ | |
4378 | static ssize_t | |
4379 | lpfc_fcp_cpu_map_store(struct device *dev, struct device_attribute *attr, | |
4380 | const char *buf, size_t count) | |
4381 | { | |
4382 | int status = -EINVAL; | |
4383 | return status; | |
4384 | } | |
4385 | ||
4386 | /* | |
4387 | # lpfc_fcp_cpu_map: Defines how to map CPUs to IRQ vectors | |
4388 | # for the HBA. | |
4389 | # | |
4390 | # Value range is [0 to 2]. Default value is LPFC_DRIVER_CPU_MAP (2). | |
4391 | # 0 - Do not affinitze IRQ vectors | |
4392 | # 1 - Affintize HBA vectors with respect to each HBA | |
4393 | # (start with CPU0 for each HBA) | |
4394 | # 2 - Affintize HBA vectors with respect to the entire driver | |
4395 | # (round robin thru all CPUs across all HBAs) | |
4396 | */ | |
4397 | static int lpfc_fcp_cpu_map = LPFC_DRIVER_CPU_MAP; | |
4398 | module_param(lpfc_fcp_cpu_map, int, S_IRUGO|S_IWUSR); | |
4399 | MODULE_PARM_DESC(lpfc_fcp_cpu_map, | |
4400 | "Defines how to map CPUs to IRQ vectors per HBA"); | |
4401 | ||
4402 | /** | |
4403 | * lpfc_fcp_cpu_map_init - Set the initial sr-iov virtual function enable | |
4404 | * @phba: lpfc_hba pointer. | |
4405 | * @val: link speed value. | |
4406 | * | |
4407 | * Description: | |
4408 | * If val is in a valid range [0-2], then affinitze the adapter's | |
4409 | * MSIX vectors. | |
4410 | * | |
4411 | * Returns: | |
4412 | * zero if val saved. | |
4413 | * -EINVAL val out of range | |
4414 | **/ | |
4415 | static int | |
4416 | lpfc_fcp_cpu_map_init(struct lpfc_hba *phba, int val) | |
4417 | { | |
4418 | if (phba->sli_rev != LPFC_SLI_REV4) { | |
4419 | phba->cfg_fcp_cpu_map = 0; | |
4420 | return 0; | |
4421 | } | |
4422 | ||
4423 | if (val >= LPFC_MIN_CPU_MAP && val <= LPFC_MAX_CPU_MAP) { | |
4424 | phba->cfg_fcp_cpu_map = val; | |
4425 | return 0; | |
4426 | } | |
4427 | ||
4428 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4429 | "3326 fcp_cpu_map: %d out of range, using default\n", | |
4430 | val); | |
4431 | phba->cfg_fcp_cpu_map = LPFC_DRIVER_CPU_MAP; | |
4432 | ||
4433 | return 0; | |
4434 | } | |
4435 | ||
4436 | static DEVICE_ATTR(lpfc_fcp_cpu_map, S_IRUGO | S_IWUSR, | |
4437 | lpfc_fcp_cpu_map_show, lpfc_fcp_cpu_map_store); | |
4438 | ||
dea3101e | 4439 | /* |
4440 | # lpfc_fcp_class: Determines FC class to use for the FCP protocol. | |
4441 | # Value range is [2,3]. Default value is 3. | |
4442 | */ | |
3de2a653 JS |
4443 | LPFC_VPORT_ATTR_R(fcp_class, 3, 2, 3, |
4444 | "Select Fibre Channel class of service for FCP sequences"); | |
dea3101e | 4445 | |
4446 | /* | |
4447 | # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range | |
4448 | # is [0,1]. Default value is 0. | |
4449 | */ | |
3de2a653 JS |
4450 | LPFC_VPORT_ATTR_RW(use_adisc, 0, 0, 1, |
4451 | "Use ADISC on rediscovery to authenticate FCP devices"); | |
dea3101e | 4452 | |
3cb01c57 JS |
4453 | /* |
4454 | # lpfc_first_burst_size: First burst size to use on the NPorts | |
4455 | # that support first burst. | |
4456 | # Value range is [0,65536]. Default value is 0. | |
4457 | */ | |
4458 | LPFC_VPORT_ATTR_RW(first_burst_size, 0, 0, 65536, | |
4459 | "First burst size for Targets that support first burst"); | |
4460 | ||
977b5a0a JS |
4461 | /* |
4462 | # lpfc_max_scsicmpl_time: Use scsi command completion time to control I/O queue | |
4463 | # depth. Default value is 0. When the value of this parameter is zero the | |
4464 | # SCSI command completion time is not used for controlling I/O queue depth. When | |
4465 | # the parameter is set to a non-zero value, the I/O queue depth is controlled | |
4466 | # to limit the I/O completion time to the parameter value. | |
4467 | # The value is set in milliseconds. | |
4468 | */ | |
4469 | static int lpfc_max_scsicmpl_time; | |
ab56dc2e | 4470 | module_param(lpfc_max_scsicmpl_time, int, S_IRUGO); |
977b5a0a JS |
4471 | MODULE_PARM_DESC(lpfc_max_scsicmpl_time, |
4472 | "Use command completion time to control queue depth"); | |
4473 | lpfc_vport_param_show(max_scsicmpl_time); | |
4474 | lpfc_vport_param_init(max_scsicmpl_time, 0, 0, 60000); | |
4475 | static int | |
4476 | lpfc_max_scsicmpl_time_set(struct lpfc_vport *vport, int val) | |
4477 | { | |
4478 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
4479 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
4480 | ||
4481 | if (val == vport->cfg_max_scsicmpl_time) | |
4482 | return 0; | |
4483 | if ((val < 0) || (val > 60000)) | |
4484 | return -EINVAL; | |
4485 | vport->cfg_max_scsicmpl_time = val; | |
4486 | ||
4487 | spin_lock_irq(shost->host_lock); | |
4488 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { | |
4489 | if (!NLP_CHK_NODE_ACT(ndlp)) | |
4490 | continue; | |
4491 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) | |
4492 | continue; | |
7dc517df | 4493 | ndlp->cmd_qdepth = vport->cfg_tgt_queue_depth; |
977b5a0a JS |
4494 | } |
4495 | spin_unlock_irq(shost->host_lock); | |
4496 | return 0; | |
4497 | } | |
4498 | lpfc_vport_param_store(max_scsicmpl_time); | |
4499 | static DEVICE_ATTR(lpfc_max_scsicmpl_time, S_IRUGO | S_IWUSR, | |
4500 | lpfc_max_scsicmpl_time_show, | |
4501 | lpfc_max_scsicmpl_time_store); | |
4502 | ||
dea3101e | 4503 | /* |
4504 | # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value | |
4505 | # range is [0,1]. Default value is 0. | |
4506 | */ | |
4507 | LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support"); | |
4508 | ||
49aa143d JS |
4509 | /* |
4510 | # lpfc_fcp_io_sched: Determine scheduling algrithmn for issuing FCP cmds | |
4511 | # range is [0,1]. Default value is 0. | |
4512 | # For [0], FCP commands are issued to Work Queues ina round robin fashion. | |
4513 | # For [1], FCP commands are issued to a Work Queue associated with the | |
4514 | # current CPU. | |
ec2087a7 JS |
4515 | # It would be set to 1 by the driver if it's able to set up cpu affinity |
4516 | # for FCP I/Os through Work Queue associated with the current CPU. Otherwise, | |
4517 | # roundrobin scheduling of FCP I/Os through WQs will be used. | |
49aa143d | 4518 | */ |
ec2087a7 | 4519 | LPFC_ATTR_RW(fcp_io_sched, 0, 0, 1, "Determine scheduling algorithm for " |
49aa143d JS |
4520 | "issuing commands [0] - Round Robin, [1] - Current CPU"); |
4521 | ||
a6571c6e JS |
4522 | /* |
4523 | # lpfc_fcp2_no_tgt_reset: Determine bus reset behavior | |
4524 | # range is [0,1]. Default value is 0. | |
4525 | # For [0], bus reset issues target reset to ALL devices | |
4526 | # For [1], bus reset issues target reset to non-FCP2 devices | |
4527 | */ | |
4528 | LPFC_ATTR_RW(fcp2_no_tgt_reset, 0, 0, 1, "Determine bus reset behavior for " | |
4529 | "FCP2 devices [0] - issue tgt reset, [1] - no tgt reset"); | |
4530 | ||
4531 | ||
dea3101e | 4532 | /* |
4533 | # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing | |
4534 | # cr_delay (msec) or cr_count outstanding commands. cr_delay can take | |
7054a606 | 4535 | # value [0,63]. cr_count can take value [1,255]. Default value of cr_delay |
dea3101e | 4536 | # is 0. Default value of cr_count is 1. The cr_count feature is disabled if |
4537 | # cr_delay is set to 0. | |
4538 | */ | |
8189fd19 | 4539 | LPFC_ATTR_RW(cr_delay, 0, 0, 63, "A count of milliseconds after which an " |
dea3101e | 4540 | "interrupt response is generated"); |
4541 | ||
8189fd19 | 4542 | LPFC_ATTR_RW(cr_count, 1, 1, 255, "A count of I/O completions after which an " |
dea3101e | 4543 | "interrupt response is generated"); |
4544 | ||
cf5bf97e JW |
4545 | /* |
4546 | # lpfc_multi_ring_support: Determines how many rings to spread available | |
4547 | # cmd/rsp IOCB entries across. | |
4548 | # Value range is [1,2]. Default value is 1. | |
4549 | */ | |
4550 | LPFC_ATTR_R(multi_ring_support, 1, 1, 2, "Determines number of primary " | |
4551 | "SLI rings to spread IOCB entries across"); | |
4552 | ||
a4bc3379 JS |
4553 | /* |
4554 | # lpfc_multi_ring_rctl: If lpfc_multi_ring_support is enabled, this | |
4555 | # identifies what rctl value to configure the additional ring for. | |
4556 | # Value range is [1,0xff]. Default value is 4 (Unsolicated Data). | |
4557 | */ | |
6a9c52cf | 4558 | LPFC_ATTR_R(multi_ring_rctl, FC_RCTL_DD_UNSOL_DATA, 1, |
a4bc3379 JS |
4559 | 255, "Identifies RCTL for additional ring configuration"); |
4560 | ||
4561 | /* | |
4562 | # lpfc_multi_ring_type: If lpfc_multi_ring_support is enabled, this | |
4563 | # identifies what type value to configure the additional ring for. | |
4564 | # Value range is [1,0xff]. Default value is 5 (LLC/SNAP). | |
4565 | */ | |
6a9c52cf | 4566 | LPFC_ATTR_R(multi_ring_type, FC_TYPE_IP, 1, |
a4bc3379 JS |
4567 | 255, "Identifies TYPE for additional ring configuration"); |
4568 | ||
dea3101e | 4569 | /* |
4570 | # lpfc_fdmi_on: controls FDMI support. | |
4571 | # 0 = no FDMI support | |
4572 | # 1 = support FDMI without attribute of hostname | |
4573 | # 2 = support FDMI with attribute of hostname | |
4574 | # Value range [0,2]. Default value is 0. | |
4575 | */ | |
3de2a653 | 4576 | LPFC_VPORT_ATTR_RW(fdmi_on, 0, 0, 2, "Enable FDMI support"); |
dea3101e | 4577 | |
4578 | /* | |
4579 | # Specifies the maximum number of ELS cmds we can have outstanding (for | |
4580 | # discovery). Value range is [1,64]. Default value = 32. | |
4581 | */ | |
3de2a653 | 4582 | LPFC_VPORT_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands " |
dea3101e | 4583 | "during discovery"); |
4584 | ||
4585 | /* | |
c4a7c922 JS |
4586 | # lpfc_max_luns: maximum allowed LUN ID. This is the highest LUN ID that |
4587 | # will be scanned by the SCSI midlayer when sequential scanning is | |
4588 | # used; and is also the highest LUN ID allowed when the SCSI midlayer | |
4589 | # parses REPORT_LUN responses. The lpfc driver has no LUN count or | |
4590 | # LUN ID limit, but the SCSI midlayer requires this field for the uses | |
4591 | # above. The lpfc driver limits the default value to 255 for two reasons. | |
4592 | # As it bounds the sequential scan loop, scanning for thousands of luns | |
4593 | # on a target can take minutes of wall clock time. Additionally, | |
4594 | # there are FC targets, such as JBODs, that only recognize 8-bits of | |
4595 | # LUN ID. When they receive a value greater than 8 bits, they chop off | |
4596 | # the high order bits. In other words, they see LUN IDs 0, 256, 512, | |
4597 | # and so on all as LUN ID 0. This causes the linux kernel, which sees | |
4598 | # valid responses at each of the LUN IDs, to believe there are multiple | |
4599 | # devices present, when in fact, there is only 1. | |
4600 | # A customer that is aware of their target behaviors, and the results as | |
4601 | # indicated above, is welcome to increase the lpfc_max_luns value. | |
4602 | # As mentioned, this value is not used by the lpfc driver, only the | |
4603 | # SCSI midlayer. | |
65a29c16 JS |
4604 | # Value range is [0,65535]. Default value is 255. |
4605 | # NOTE: The SCSI layer might probe all allowed LUN on some old targets. | |
dea3101e | 4606 | */ |
1abf635d | 4607 | LPFC_VPORT_ULL_ATTR_R(max_luns, 255, 0, 65535, "Maximum allowed LUN ID"); |
dea3101e | 4608 | |
875fbdfe JSEC |
4609 | /* |
4610 | # lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring. | |
4611 | # Value range is [1,255], default value is 10. | |
4612 | */ | |
4613 | LPFC_ATTR_RW(poll_tmo, 10, 1, 255, | |
4614 | "Milliseconds driver will wait between polling FCP ring"); | |
4615 | ||
4ff43246 | 4616 | /* |
0c411222 JS |
4617 | # lpfc_task_mgmt_tmo: Maximum time to wait for task management commands |
4618 | # to complete in seconds. Value range is [5,180], default value is 60. | |
4619 | */ | |
4620 | LPFC_ATTR_RW(task_mgmt_tmo, 60, 5, 180, | |
4621 | "Maximum time to wait for task management commands to complete"); | |
4622 | /* | |
4ff43246 JS |
4623 | # lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that |
4624 | # support this feature | |
8605c46c | 4625 | # 0 = MSI disabled |
4ff43246 | 4626 | # 1 = MSI enabled |
8605c46c GK |
4627 | # 2 = MSI-X enabled (default) |
4628 | # Value range is [0,2]. Default value is 2. | |
4ff43246 | 4629 | */ |
8605c46c | 4630 | LPFC_ATTR_R(use_msi, 2, 0, 2, "Use Message Signaled Interrupts (1) or " |
db2378e0 | 4631 | "MSI-X (2), if possible"); |
4ff43246 | 4632 | |
67d12733 JS |
4633 | /* |
4634 | # lpfc_fcp_io_channel: Set the number of FCP EQ/CQ/WQ IO channels | |
4635 | # | |
4636 | # Value range is [1,7]. Default value is 4. | |
4637 | */ | |
4638 | LPFC_ATTR_R(fcp_io_channel, LPFC_FCP_IO_CHAN_DEF, LPFC_FCP_IO_CHAN_MIN, | |
4639 | LPFC_FCP_IO_CHAN_MAX, | |
4640 | "Set the number of FCP I/O channels"); | |
4641 | ||
13815c83 JS |
4642 | /* |
4643 | # lpfc_enable_hba_reset: Allow or prevent HBA resets to the hardware. | |
4644 | # 0 = HBA resets disabled | |
4645 | # 1 = HBA resets enabled (default) | |
4646 | # Value range is [0,1]. Default value is 1. | |
4647 | */ | |
4648 | LPFC_ATTR_R(enable_hba_reset, 1, 0, 1, "Enable HBA resets from the driver."); | |
c3f28afa | 4649 | |
13815c83 | 4650 | /* |
eb7a339e | 4651 | # lpfc_enable_hba_heartbeat: Disable HBA heartbeat timer.. |
13815c83 JS |
4652 | # 0 = HBA Heartbeat disabled |
4653 | # 1 = HBA Heartbeat enabled (default) | |
4654 | # Value range is [0,1]. Default value is 1. | |
4655 | */ | |
eb7a339e | 4656 | LPFC_ATTR_R(enable_hba_heartbeat, 0, 0, 1, "Enable HBA Heartbeat."); |
92d7f7b0 | 4657 | |
1ba981fd JS |
4658 | /* |
4659 | # lpfc_EnableXLane: Enable Express Lane Feature | |
4660 | # 0x0 Express Lane Feature disabled | |
4661 | # 0x1 Express Lane Feature enabled | |
4662 | # Value range is [0,1]. Default value is 0. | |
4663 | */ | |
4664 | LPFC_ATTR_R(EnableXLane, 0, 0, 1, "Enable Express Lane Feature."); | |
4665 | ||
4666 | /* | |
4667 | # lpfc_XLanePriority: Define CS_CTL priority for Express Lane Feature | |
4668 | # 0x0 - 0x7f = CS_CTL field in FC header (high 7 bits) | |
4669 | # Value range is [0x0,0x7f]. Default value is 0 | |
4670 | */ | |
28d7f3df | 4671 | LPFC_ATTR_RW(XLanePriority, 0, 0x0, 0x7f, "CS_CTL for Express Lane Feature."); |
1ba981fd | 4672 | |
81301a9b JS |
4673 | /* |
4674 | # lpfc_enable_bg: Enable BlockGuard (Emulex's Implementation of T10-DIF) | |
4675 | # 0 = BlockGuard disabled (default) | |
4676 | # 1 = BlockGuard enabled | |
4677 | # Value range is [0,1]. Default value is 0. | |
4678 | */ | |
4679 | LPFC_ATTR_R(enable_bg, 0, 0, 1, "Enable BlockGuard Support"); | |
4680 | ||
ba20c853 JS |
4681 | /* |
4682 | # lpfc_fcp_look_ahead: Look ahead for completions in FCP start routine | |
4683 | # 0 = disabled (default) | |
4684 | # 1 = enabled | |
4685 | # Value range is [0,1]. Default value is 0. | |
5688d670 JS |
4686 | # |
4687 | # This feature in under investigation and may be supported in the future. | |
ba20c853 JS |
4688 | */ |
4689 | unsigned int lpfc_fcp_look_ahead = LPFC_LOOK_AHEAD_OFF; | |
4690 | ||
81301a9b JS |
4691 | /* |
4692 | # lpfc_prot_mask: i | |
4693 | # - Bit mask of host protection capabilities used to register with the | |
4694 | # SCSI mid-layer | |
4695 | # - Only meaningful if BG is turned on (lpfc_enable_bg=1). | |
4696 | # - Allows you to ultimately specify which profiles to use | |
4697 | # - Default will result in registering capabilities for all profiles. | |
005ffa70 JS |
4698 | # - SHOST_DIF_TYPE1_PROTECTION 1 |
4699 | # HBA supports T10 DIF Type 1: HBA to Target Type 1 Protection | |
4700 | # - SHOST_DIX_TYPE0_PROTECTION 8 | |
4701 | # HBA supports DIX Type 0: Host to HBA protection only | |
4702 | # - SHOST_DIX_TYPE1_PROTECTION 16 | |
4703 | # HBA supports DIX Type 1: Host to HBA Type 1 protection | |
81301a9b JS |
4704 | # |
4705 | */ | |
7c56b9fd JS |
4706 | unsigned int lpfc_prot_mask = SHOST_DIF_TYPE1_PROTECTION | |
4707 | SHOST_DIX_TYPE0_PROTECTION | | |
4708 | SHOST_DIX_TYPE1_PROTECTION; | |
81301a9b | 4709 | |
ab56dc2e | 4710 | module_param(lpfc_prot_mask, uint, S_IRUGO); |
81301a9b JS |
4711 | MODULE_PARM_DESC(lpfc_prot_mask, "host protection mask"); |
4712 | ||
4713 | /* | |
4714 | # lpfc_prot_guard: i | |
4715 | # - Bit mask of protection guard types to register with the SCSI mid-layer | |
005ffa70 | 4716 | # - Guard types are currently either 1) T10-DIF CRC 2) IP checksum |
81301a9b JS |
4717 | # - Allows you to ultimately specify which profiles to use |
4718 | # - Default will result in registering capabilities for all guard types | |
4719 | # | |
4720 | */ | |
4721 | unsigned char lpfc_prot_guard = SHOST_DIX_GUARD_IP; | |
ab56dc2e | 4722 | module_param(lpfc_prot_guard, byte, S_IRUGO); |
81301a9b JS |
4723 | MODULE_PARM_DESC(lpfc_prot_guard, "host protection guard type"); |
4724 | ||
92494144 JS |
4725 | /* |
4726 | * Delay initial NPort discovery when Clean Address bit is cleared in | |
4727 | * FLOGI/FDISC accept and FCID/Fabric name/Fabric portname is changed. | |
4728 | * This parameter can have value 0 or 1. | |
4729 | * When this parameter is set to 0, no delay is added to the initial | |
4730 | * discovery. | |
4731 | * When this parameter is set to non-zero value, initial Nport discovery is | |
4732 | * delayed by ra_tov seconds when Clean Address bit is cleared in FLOGI/FDISC | |
4733 | * accept and FCID/Fabric name/Fabric portname is changed. | |
4734 | * Driver always delay Nport discovery for subsequent FLOGI/FDISC completion | |
4735 | * when Clean Address bit is cleared in FLOGI/FDISC | |
4736 | * accept and FCID/Fabric name/Fabric portname is changed. | |
4737 | * Default value is 0. | |
4738 | */ | |
4739 | int lpfc_delay_discovery; | |
ab56dc2e | 4740 | module_param(lpfc_delay_discovery, int, S_IRUGO); |
92494144 JS |
4741 | MODULE_PARM_DESC(lpfc_delay_discovery, |
4742 | "Delay NPort discovery when Clean Address bit is cleared. " | |
4743 | "Allowed values: 0,1."); | |
81301a9b | 4744 | |
83108bd3 | 4745 | /* |
3621a710 | 4746 | * lpfc_sg_seg_cnt - Initial Maximum DMA Segment Count |
96f7077f | 4747 | * This value can be set to values between 64 and 4096. The default value is |
83108bd3 JS |
4748 | * 64, but may be increased to allow for larger Max I/O sizes. The scsi layer |
4749 | * will be allowed to request I/Os of sizes up to (MAX_SEG_COUNT * SEG_SIZE). | |
96f7077f JS |
4750 | * Because of the additional overhead involved in setting up T10-DIF, |
4751 | * this parameter will be limited to 128 if BlockGuard is enabled under SLI4 | |
4752 | * and will be limited to 512 if BlockGuard is enabled under SLI3. | |
83108bd3 JS |
4753 | */ |
4754 | LPFC_ATTR_R(sg_seg_cnt, LPFC_DEFAULT_SG_SEG_CNT, LPFC_DEFAULT_SG_SEG_CNT, | |
4755 | LPFC_MAX_SG_SEG_CNT, "Max Scatter Gather Segment Count"); | |
4756 | ||
96f7077f JS |
4757 | /* |
4758 | * This parameter will be depricated, the driver cannot limit the | |
4759 | * protection data s/g list. | |
4760 | */ | |
4761 | LPFC_ATTR_R(prot_sg_seg_cnt, LPFC_DEFAULT_SG_SEG_CNT, | |
4762 | LPFC_DEFAULT_SG_SEG_CNT, LPFC_MAX_SG_SEG_CNT, | |
4763 | "Max Protection Scatter Gather Segment Count"); | |
81301a9b | 4764 | |
ee959b00 | 4765 | struct device_attribute *lpfc_hba_attrs[] = { |
81301a9b JS |
4766 | &dev_attr_bg_info, |
4767 | &dev_attr_bg_guard_err, | |
4768 | &dev_attr_bg_apptag_err, | |
4769 | &dev_attr_bg_reftag_err, | |
ee959b00 TJ |
4770 | &dev_attr_info, |
4771 | &dev_attr_serialnum, | |
4772 | &dev_attr_modeldesc, | |
4773 | &dev_attr_modelname, | |
4774 | &dev_attr_programtype, | |
4775 | &dev_attr_portnum, | |
4776 | &dev_attr_fwrev, | |
4777 | &dev_attr_hdw, | |
4778 | &dev_attr_option_rom_version, | |
bbd1ae41 | 4779 | &dev_attr_link_state, |
ee959b00 | 4780 | &dev_attr_num_discovered_ports, |
84774a4d | 4781 | &dev_attr_menlo_mgmt_mode, |
ee959b00 | 4782 | &dev_attr_lpfc_drvr_version, |
45ed1190 | 4783 | &dev_attr_lpfc_enable_fip, |
ee959b00 TJ |
4784 | &dev_attr_lpfc_temp_sensor, |
4785 | &dev_attr_lpfc_log_verbose, | |
4786 | &dev_attr_lpfc_lun_queue_depth, | |
7dc517df | 4787 | &dev_attr_lpfc_tgt_queue_depth, |
ee959b00 TJ |
4788 | &dev_attr_lpfc_hba_queue_depth, |
4789 | &dev_attr_lpfc_peer_port_login, | |
4790 | &dev_attr_lpfc_nodev_tmo, | |
4791 | &dev_attr_lpfc_devloss_tmo, | |
4792 | &dev_attr_lpfc_fcp_class, | |
4793 | &dev_attr_lpfc_use_adisc, | |
3cb01c57 | 4794 | &dev_attr_lpfc_first_burst_size, |
ee959b00 TJ |
4795 | &dev_attr_lpfc_ack0, |
4796 | &dev_attr_lpfc_topology, | |
4797 | &dev_attr_lpfc_scan_down, | |
4798 | &dev_attr_lpfc_link_speed, | |
49aa143d | 4799 | &dev_attr_lpfc_fcp_io_sched, |
a6571c6e | 4800 | &dev_attr_lpfc_fcp2_no_tgt_reset, |
ee959b00 TJ |
4801 | &dev_attr_lpfc_cr_delay, |
4802 | &dev_attr_lpfc_cr_count, | |
4803 | &dev_attr_lpfc_multi_ring_support, | |
4804 | &dev_attr_lpfc_multi_ring_rctl, | |
4805 | &dev_attr_lpfc_multi_ring_type, | |
4806 | &dev_attr_lpfc_fdmi_on, | |
4807 | &dev_attr_lpfc_max_luns, | |
4808 | &dev_attr_lpfc_enable_npiv, | |
7d791df7 | 4809 | &dev_attr_lpfc_fcf_failover_policy, |
19ca7609 | 4810 | &dev_attr_lpfc_enable_rrq, |
ee959b00 TJ |
4811 | &dev_attr_nport_evt_cnt, |
4812 | &dev_attr_board_mode, | |
4813 | &dev_attr_max_vpi, | |
4814 | &dev_attr_used_vpi, | |
4815 | &dev_attr_max_rpi, | |
4816 | &dev_attr_used_rpi, | |
4817 | &dev_attr_max_xri, | |
4818 | &dev_attr_used_xri, | |
4819 | &dev_attr_npiv_info, | |
4820 | &dev_attr_issue_reset, | |
4821 | &dev_attr_lpfc_poll, | |
4822 | &dev_attr_lpfc_poll_tmo, | |
0c411222 | 4823 | &dev_attr_lpfc_task_mgmt_tmo, |
ee959b00 | 4824 | &dev_attr_lpfc_use_msi, |
da0436e9 | 4825 | &dev_attr_lpfc_fcp_imax, |
7bb03bbf | 4826 | &dev_attr_lpfc_fcp_cpu_map, |
67d12733 | 4827 | &dev_attr_lpfc_fcp_io_channel, |
81301a9b | 4828 | &dev_attr_lpfc_enable_bg, |
ee959b00 TJ |
4829 | &dev_attr_lpfc_soft_wwnn, |
4830 | &dev_attr_lpfc_soft_wwpn, | |
4831 | &dev_attr_lpfc_soft_wwn_enable, | |
4832 | &dev_attr_lpfc_enable_hba_reset, | |
4833 | &dev_attr_lpfc_enable_hba_heartbeat, | |
1ba981fd JS |
4834 | &dev_attr_lpfc_EnableXLane, |
4835 | &dev_attr_lpfc_XLanePriority, | |
4836 | &dev_attr_lpfc_xlane_lun, | |
4837 | &dev_attr_lpfc_xlane_tgt, | |
4838 | &dev_attr_lpfc_xlane_vpt, | |
4839 | &dev_attr_lpfc_xlane_lun_state, | |
4840 | &dev_attr_lpfc_xlane_lun_status, | |
ee959b00 | 4841 | &dev_attr_lpfc_sg_seg_cnt, |
977b5a0a | 4842 | &dev_attr_lpfc_max_scsicmpl_time, |
ea2151b4 | 4843 | &dev_attr_lpfc_stat_data_ctrl, |
81301a9b | 4844 | &dev_attr_lpfc_prot_sg_seg_cnt, |
0d878419 JS |
4845 | &dev_attr_lpfc_aer_support, |
4846 | &dev_attr_lpfc_aer_state_cleanup, | |
912e3acd | 4847 | &dev_attr_lpfc_sriov_nr_virtfn, |
c71ab861 | 4848 | &dev_attr_lpfc_req_fw_upgrade, |
84d1b006 | 4849 | &dev_attr_lpfc_suppress_link_up, |
2a9bf3d0 JS |
4850 | &dev_attr_lpfc_iocb_cnt, |
4851 | &dev_attr_iocb_hw, | |
4852 | &dev_attr_txq_hw, | |
4853 | &dev_attr_txcmplq_hw, | |
bc73905a JS |
4854 | &dev_attr_lpfc_fips_level, |
4855 | &dev_attr_lpfc_fips_rev, | |
ab56dc2e | 4856 | &dev_attr_lpfc_dss, |
912e3acd | 4857 | &dev_attr_lpfc_sriov_hw_max_virtfn, |
026abb87 | 4858 | &dev_attr_protocol, |
1ba981fd | 4859 | &dev_attr_lpfc_xlane_supported, |
dea3101e | 4860 | NULL, |
4861 | }; | |
4862 | ||
ee959b00 TJ |
4863 | struct device_attribute *lpfc_vport_attrs[] = { |
4864 | &dev_attr_info, | |
bbd1ae41 | 4865 | &dev_attr_link_state, |
ee959b00 TJ |
4866 | &dev_attr_num_discovered_ports, |
4867 | &dev_attr_lpfc_drvr_version, | |
4868 | &dev_attr_lpfc_log_verbose, | |
4869 | &dev_attr_lpfc_lun_queue_depth, | |
7dc517df | 4870 | &dev_attr_lpfc_tgt_queue_depth, |
ee959b00 TJ |
4871 | &dev_attr_lpfc_nodev_tmo, |
4872 | &dev_attr_lpfc_devloss_tmo, | |
4873 | &dev_attr_lpfc_hba_queue_depth, | |
4874 | &dev_attr_lpfc_peer_port_login, | |
4875 | &dev_attr_lpfc_restrict_login, | |
4876 | &dev_attr_lpfc_fcp_class, | |
4877 | &dev_attr_lpfc_use_adisc, | |
3cb01c57 | 4878 | &dev_attr_lpfc_first_burst_size, |
ee959b00 TJ |
4879 | &dev_attr_lpfc_fdmi_on, |
4880 | &dev_attr_lpfc_max_luns, | |
4881 | &dev_attr_nport_evt_cnt, | |
4882 | &dev_attr_npiv_info, | |
4883 | &dev_attr_lpfc_enable_da_id, | |
ea2151b4 JS |
4884 | &dev_attr_lpfc_max_scsicmpl_time, |
4885 | &dev_attr_lpfc_stat_data_ctrl, | |
21e9a0a5 | 4886 | &dev_attr_lpfc_static_vport, |
bc73905a JS |
4887 | &dev_attr_lpfc_fips_level, |
4888 | &dev_attr_lpfc_fips_rev, | |
3de2a653 JS |
4889 | NULL, |
4890 | }; | |
4891 | ||
e59058c4 | 4892 | /** |
3621a710 | 4893 | * sysfs_ctlreg_write - Write method for writing to ctlreg |
2c3c8bea | 4894 | * @filp: open sysfs file |
e59058c4 JS |
4895 | * @kobj: kernel kobject that contains the kernel class device. |
4896 | * @bin_attr: kernel attributes passed to us. | |
4897 | * @buf: contains the data to be written to the adapter IOREG space. | |
4898 | * @off: offset into buffer to beginning of data. | |
4899 | * @count: bytes to transfer. | |
4900 | * | |
4901 | * Description: | |
4902 | * Accessed via /sys/class/scsi_host/hostxxx/ctlreg. | |
4903 | * Uses the adapter io control registers to send buf contents to the adapter. | |
4904 | * | |
4905 | * Returns: | |
4906 | * -ERANGE off and count combo out of range | |
4907 | * -EINVAL off, count or buff address invalid | |
4908 | * -EPERM adapter is offline | |
4909 | * value of count, buf contents written | |
4910 | **/ | |
dea3101e | 4911 | static ssize_t |
2c3c8bea CW |
4912 | sysfs_ctlreg_write(struct file *filp, struct kobject *kobj, |
4913 | struct bin_attribute *bin_attr, | |
91a69029 | 4914 | char *buf, loff_t off, size_t count) |
dea3101e | 4915 | { |
4916 | size_t buf_off; | |
ee959b00 TJ |
4917 | struct device *dev = container_of(kobj, struct device, kobj); |
4918 | struct Scsi_Host *shost = class_to_shost(dev); | |
2e0fef85 JS |
4919 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
4920 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 4921 | |
f1126688 JS |
4922 | if (phba->sli_rev >= LPFC_SLI_REV4) |
4923 | return -EPERM; | |
4924 | ||
dea3101e | 4925 | if ((off + count) > FF_REG_AREA_SIZE) |
4926 | return -ERANGE; | |
4927 | ||
f7a919b4 JS |
4928 | if (count <= LPFC_REG_WRITE_KEY_SIZE) |
4929 | return 0; | |
dea3101e | 4930 | |
4931 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
4932 | return -EINVAL; | |
4933 | ||
f7a919b4 JS |
4934 | /* This is to protect HBA registers from accidental writes. */ |
4935 | if (memcmp(buf, LPFC_REG_WRITE_KEY, LPFC_REG_WRITE_KEY_SIZE)) | |
4936 | return -EINVAL; | |
4937 | ||
4938 | if (!(vport->fc_flag & FC_OFFLINE_MODE)) | |
dea3101e | 4939 | return -EPERM; |
dea3101e | 4940 | |
2e0fef85 | 4941 | spin_lock_irq(&phba->hbalock); |
f7a919b4 JS |
4942 | for (buf_off = 0; buf_off < count - LPFC_REG_WRITE_KEY_SIZE; |
4943 | buf_off += sizeof(uint32_t)) | |
4944 | writel(*((uint32_t *)(buf + buf_off + LPFC_REG_WRITE_KEY_SIZE)), | |
dea3101e | 4945 | phba->ctrl_regs_memmap_p + off + buf_off); |
4946 | ||
2e0fef85 | 4947 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 4948 | |
4949 | return count; | |
4950 | } | |
4951 | ||
e59058c4 | 4952 | /** |
3621a710 | 4953 | * sysfs_ctlreg_read - Read method for reading from ctlreg |
2c3c8bea | 4954 | * @filp: open sysfs file |
e59058c4 JS |
4955 | * @kobj: kernel kobject that contains the kernel class device. |
4956 | * @bin_attr: kernel attributes passed to us. | |
af901ca1 | 4957 | * @buf: if successful contains the data from the adapter IOREG space. |
e59058c4 JS |
4958 | * @off: offset into buffer to beginning of data. |
4959 | * @count: bytes to transfer. | |
4960 | * | |
4961 | * Description: | |
4962 | * Accessed via /sys/class/scsi_host/hostxxx/ctlreg. | |
4963 | * Uses the adapter io control registers to read data into buf. | |
4964 | * | |
4965 | * Returns: | |
4966 | * -ERANGE off and count combo out of range | |
4967 | * -EINVAL off, count or buff address invalid | |
4968 | * value of count, buf contents read | |
4969 | **/ | |
dea3101e | 4970 | static ssize_t |
2c3c8bea CW |
4971 | sysfs_ctlreg_read(struct file *filp, struct kobject *kobj, |
4972 | struct bin_attribute *bin_attr, | |
91a69029 | 4973 | char *buf, loff_t off, size_t count) |
dea3101e | 4974 | { |
4975 | size_t buf_off; | |
4976 | uint32_t * tmp_ptr; | |
ee959b00 TJ |
4977 | struct device *dev = container_of(kobj, struct device, kobj); |
4978 | struct Scsi_Host *shost = class_to_shost(dev); | |
2e0fef85 JS |
4979 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
4980 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 4981 | |
f1126688 JS |
4982 | if (phba->sli_rev >= LPFC_SLI_REV4) |
4983 | return -EPERM; | |
4984 | ||
dea3101e | 4985 | if (off > FF_REG_AREA_SIZE) |
4986 | return -ERANGE; | |
4987 | ||
4988 | if ((off + count) > FF_REG_AREA_SIZE) | |
4989 | count = FF_REG_AREA_SIZE - off; | |
4990 | ||
4991 | if (count == 0) return 0; | |
4992 | ||
4993 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
4994 | return -EINVAL; | |
4995 | ||
2e0fef85 | 4996 | spin_lock_irq(&phba->hbalock); |
dea3101e | 4997 | |
4998 | for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) { | |
4999 | tmp_ptr = (uint32_t *)(buf + buf_off); | |
5000 | *tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off); | |
5001 | } | |
5002 | ||
2e0fef85 | 5003 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 5004 | |
5005 | return count; | |
5006 | } | |
5007 | ||
5008 | static struct bin_attribute sysfs_ctlreg_attr = { | |
5009 | .attr = { | |
5010 | .name = "ctlreg", | |
5011 | .mode = S_IRUSR | S_IWUSR, | |
dea3101e | 5012 | }, |
5013 | .size = 256, | |
5014 | .read = sysfs_ctlreg_read, | |
5015 | .write = sysfs_ctlreg_write, | |
5016 | }; | |
5017 | ||
e59058c4 | 5018 | /** |
3621a710 | 5019 | * sysfs_mbox_write - Write method for writing information via mbox |
2c3c8bea | 5020 | * @filp: open sysfs file |
e59058c4 JS |
5021 | * @kobj: kernel kobject that contains the kernel class device. |
5022 | * @bin_attr: kernel attributes passed to us. | |
5023 | * @buf: contains the data to be written to sysfs mbox. | |
5024 | * @off: offset into buffer to beginning of data. | |
5025 | * @count: bytes to transfer. | |
5026 | * | |
5027 | * Description: | |
026abb87 JS |
5028 | * Deprecated function. All mailbox access from user space is performed via the |
5029 | * bsg interface. | |
e59058c4 JS |
5030 | * |
5031 | * Returns: | |
026abb87 | 5032 | * -EPERM operation not permitted |
e59058c4 | 5033 | **/ |
dea3101e | 5034 | static ssize_t |
2c3c8bea CW |
5035 | sysfs_mbox_write(struct file *filp, struct kobject *kobj, |
5036 | struct bin_attribute *bin_attr, | |
91a69029 | 5037 | char *buf, loff_t off, size_t count) |
dea3101e | 5038 | { |
026abb87 | 5039 | return -EPERM; |
dea3101e | 5040 | } |
5041 | ||
e59058c4 | 5042 | /** |
3621a710 | 5043 | * sysfs_mbox_read - Read method for reading information via mbox |
2c3c8bea | 5044 | * @filp: open sysfs file |
e59058c4 JS |
5045 | * @kobj: kernel kobject that contains the kernel class device. |
5046 | * @bin_attr: kernel attributes passed to us. | |
5047 | * @buf: contains the data to be read from sysfs mbox. | |
5048 | * @off: offset into buffer to beginning of data. | |
5049 | * @count: bytes to transfer. | |
5050 | * | |
5051 | * Description: | |
026abb87 JS |
5052 | * Deprecated function. All mailbox access from user space is performed via the |
5053 | * bsg interface. | |
e59058c4 JS |
5054 | * |
5055 | * Returns: | |
026abb87 | 5056 | * -EPERM operation not permitted |
e59058c4 | 5057 | **/ |
dea3101e | 5058 | static ssize_t |
2c3c8bea CW |
5059 | sysfs_mbox_read(struct file *filp, struct kobject *kobj, |
5060 | struct bin_attribute *bin_attr, | |
91a69029 | 5061 | char *buf, loff_t off, size_t count) |
dea3101e | 5062 | { |
026abb87 | 5063 | return -EPERM; |
dea3101e | 5064 | } |
5065 | ||
5066 | static struct bin_attribute sysfs_mbox_attr = { | |
5067 | .attr = { | |
5068 | .name = "mbox", | |
5069 | .mode = S_IRUSR | S_IWUSR, | |
dea3101e | 5070 | }, |
c0c11512 | 5071 | .size = MAILBOX_SYSFS_MAX, |
dea3101e | 5072 | .read = sysfs_mbox_read, |
5073 | .write = sysfs_mbox_write, | |
5074 | }; | |
5075 | ||
e59058c4 | 5076 | /** |
3621a710 | 5077 | * lpfc_alloc_sysfs_attr - Creates the ctlreg and mbox entries |
e59058c4 JS |
5078 | * @vport: address of lpfc vport structure. |
5079 | * | |
5080 | * Return codes: | |
5081 | * zero on success | |
5082 | * error return code from sysfs_create_bin_file() | |
5083 | **/ | |
dea3101e | 5084 | int |
2e0fef85 | 5085 | lpfc_alloc_sysfs_attr(struct lpfc_vport *vport) |
dea3101e | 5086 | { |
2e0fef85 | 5087 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 5088 | int error; |
5089 | ||
ee959b00 | 5090 | error = sysfs_create_bin_file(&shost->shost_dev.kobj, |
eada272d JS |
5091 | &sysfs_drvr_stat_data_attr); |
5092 | ||
5093 | /* Virtual ports do not need ctrl_reg and mbox */ | |
5094 | if (error || vport->port_type == LPFC_NPIV_PORT) | |
dea3101e | 5095 | goto out; |
5096 | ||
ee959b00 | 5097 | error = sysfs_create_bin_file(&shost->shost_dev.kobj, |
eada272d | 5098 | &sysfs_ctlreg_attr); |
dea3101e | 5099 | if (error) |
eada272d | 5100 | goto out_remove_stat_attr; |
dea3101e | 5101 | |
ea2151b4 | 5102 | error = sysfs_create_bin_file(&shost->shost_dev.kobj, |
eada272d | 5103 | &sysfs_mbox_attr); |
ea2151b4 | 5104 | if (error) |
eada272d | 5105 | goto out_remove_ctlreg_attr; |
ea2151b4 | 5106 | |
dea3101e | 5107 | return 0; |
5108 | out_remove_ctlreg_attr: | |
ee959b00 | 5109 | sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr); |
eada272d JS |
5110 | out_remove_stat_attr: |
5111 | sysfs_remove_bin_file(&shost->shost_dev.kobj, | |
5112 | &sysfs_drvr_stat_data_attr); | |
dea3101e | 5113 | out: |
5114 | return error; | |
5115 | } | |
5116 | ||
e59058c4 | 5117 | /** |
3621a710 | 5118 | * lpfc_free_sysfs_attr - Removes the ctlreg and mbox entries |
e59058c4 JS |
5119 | * @vport: address of lpfc vport structure. |
5120 | **/ | |
dea3101e | 5121 | void |
2e0fef85 | 5122 | lpfc_free_sysfs_attr(struct lpfc_vport *vport) |
dea3101e | 5123 | { |
2e0fef85 | 5124 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
ea2151b4 JS |
5125 | sysfs_remove_bin_file(&shost->shost_dev.kobj, |
5126 | &sysfs_drvr_stat_data_attr); | |
eada272d JS |
5127 | /* Virtual ports do not need ctrl_reg and mbox */ |
5128 | if (vport->port_type == LPFC_NPIV_PORT) | |
5129 | return; | |
ee959b00 TJ |
5130 | sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_mbox_attr); |
5131 | sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr); | |
dea3101e | 5132 | } |
5133 | ||
5134 | ||
5135 | /* | |
5136 | * Dynamic FC Host Attributes Support | |
5137 | */ | |
5138 | ||
e59058c4 | 5139 | /** |
3621a710 | 5140 | * lpfc_get_host_port_id - Copy the vport DID into the scsi host port id |
e59058c4 JS |
5141 | * @shost: kernel scsi host pointer. |
5142 | **/ | |
dea3101e | 5143 | static void |
5144 | lpfc_get_host_port_id(struct Scsi_Host *shost) | |
5145 | { | |
2e0fef85 JS |
5146 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
5147 | ||
dea3101e | 5148 | /* note: fc_myDID already in cpu endianness */ |
2e0fef85 | 5149 | fc_host_port_id(shost) = vport->fc_myDID; |
dea3101e | 5150 | } |
5151 | ||
e59058c4 | 5152 | /** |
3621a710 | 5153 | * lpfc_get_host_port_type - Set the value of the scsi host port type |
e59058c4 JS |
5154 | * @shost: kernel scsi host pointer. |
5155 | **/ | |
dea3101e | 5156 | static void |
5157 | lpfc_get_host_port_type(struct Scsi_Host *shost) | |
5158 | { | |
2e0fef85 JS |
5159 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
5160 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 5161 | |
5162 | spin_lock_irq(shost->host_lock); | |
5163 | ||
92d7f7b0 JS |
5164 | if (vport->port_type == LPFC_NPIV_PORT) { |
5165 | fc_host_port_type(shost) = FC_PORTTYPE_NPIV; | |
5166 | } else if (lpfc_is_link_up(phba)) { | |
76a95d75 | 5167 | if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { |
2e0fef85 | 5168 | if (vport->fc_flag & FC_PUBLIC_LOOP) |
dea3101e | 5169 | fc_host_port_type(shost) = FC_PORTTYPE_NLPORT; |
5170 | else | |
5171 | fc_host_port_type(shost) = FC_PORTTYPE_LPORT; | |
5172 | } else { | |
2e0fef85 | 5173 | if (vport->fc_flag & FC_FABRIC) |
dea3101e | 5174 | fc_host_port_type(shost) = FC_PORTTYPE_NPORT; |
5175 | else | |
5176 | fc_host_port_type(shost) = FC_PORTTYPE_PTP; | |
5177 | } | |
5178 | } else | |
5179 | fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN; | |
5180 | ||
5181 | spin_unlock_irq(shost->host_lock); | |
5182 | } | |
5183 | ||
e59058c4 | 5184 | /** |
3621a710 | 5185 | * lpfc_get_host_port_state - Set the value of the scsi host port state |
e59058c4 JS |
5186 | * @shost: kernel scsi host pointer. |
5187 | **/ | |
dea3101e | 5188 | static void |
5189 | lpfc_get_host_port_state(struct Scsi_Host *shost) | |
5190 | { | |
2e0fef85 JS |
5191 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
5192 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 5193 | |
5194 | spin_lock_irq(shost->host_lock); | |
5195 | ||
2e0fef85 | 5196 | if (vport->fc_flag & FC_OFFLINE_MODE) |
dea3101e | 5197 | fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE; |
5198 | else { | |
2e0fef85 JS |
5199 | switch (phba->link_state) { |
5200 | case LPFC_LINK_UNKNOWN: | |
dea3101e | 5201 | case LPFC_LINK_DOWN: |
5202 | fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN; | |
5203 | break; | |
5204 | case LPFC_LINK_UP: | |
dea3101e | 5205 | case LPFC_CLEAR_LA: |
5206 | case LPFC_HBA_READY: | |
026abb87 JS |
5207 | /* Links up, reports port state accordingly */ |
5208 | if (vport->port_state < LPFC_VPORT_READY) | |
5209 | fc_host_port_state(shost) = | |
5210 | FC_PORTSTATE_BYPASSED; | |
5211 | else | |
5212 | fc_host_port_state(shost) = | |
5213 | FC_PORTSTATE_ONLINE; | |
dea3101e | 5214 | break; |
5215 | case LPFC_HBA_ERROR: | |
5216 | fc_host_port_state(shost) = FC_PORTSTATE_ERROR; | |
5217 | break; | |
5218 | default: | |
5219 | fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN; | |
5220 | break; | |
5221 | } | |
5222 | } | |
5223 | ||
5224 | spin_unlock_irq(shost->host_lock); | |
5225 | } | |
5226 | ||
e59058c4 | 5227 | /** |
3621a710 | 5228 | * lpfc_get_host_speed - Set the value of the scsi host speed |
e59058c4 JS |
5229 | * @shost: kernel scsi host pointer. |
5230 | **/ | |
dea3101e | 5231 | static void |
5232 | lpfc_get_host_speed(struct Scsi_Host *shost) | |
5233 | { | |
2e0fef85 JS |
5234 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
5235 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 5236 | |
5237 | spin_lock_irq(shost->host_lock); | |
5238 | ||
2e0fef85 | 5239 | if (lpfc_is_link_up(phba)) { |
dea3101e | 5240 | switch(phba->fc_linkspeed) { |
76a95d75 JS |
5241 | case LPFC_LINK_SPEED_1GHZ: |
5242 | fc_host_speed(shost) = FC_PORTSPEED_1GBIT; | |
dea3101e | 5243 | break; |
76a95d75 JS |
5244 | case LPFC_LINK_SPEED_2GHZ: |
5245 | fc_host_speed(shost) = FC_PORTSPEED_2GBIT; | |
dea3101e | 5246 | break; |
76a95d75 JS |
5247 | case LPFC_LINK_SPEED_4GHZ: |
5248 | fc_host_speed(shost) = FC_PORTSPEED_4GBIT; | |
dea3101e | 5249 | break; |
76a95d75 JS |
5250 | case LPFC_LINK_SPEED_8GHZ: |
5251 | fc_host_speed(shost) = FC_PORTSPEED_8GBIT; | |
b87eab38 | 5252 | break; |
76a95d75 JS |
5253 | case LPFC_LINK_SPEED_10GHZ: |
5254 | fc_host_speed(shost) = FC_PORTSPEED_10GBIT; | |
f4b4c68f | 5255 | break; |
76a95d75 JS |
5256 | case LPFC_LINK_SPEED_16GHZ: |
5257 | fc_host_speed(shost) = FC_PORTSPEED_16GBIT; | |
5258 | break; | |
5259 | default: | |
5260 | fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN; | |
dea3101e | 5261 | break; |
5262 | } | |
09372820 JS |
5263 | } else |
5264 | fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN; | |
dea3101e | 5265 | |
5266 | spin_unlock_irq(shost->host_lock); | |
5267 | } | |
5268 | ||
e59058c4 | 5269 | /** |
3621a710 | 5270 | * lpfc_get_host_fabric_name - Set the value of the scsi host fabric name |
e59058c4 JS |
5271 | * @shost: kernel scsi host pointer. |
5272 | **/ | |
dea3101e | 5273 | static void |
5274 | lpfc_get_host_fabric_name (struct Scsi_Host *shost) | |
5275 | { | |
2e0fef85 JS |
5276 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
5277 | struct lpfc_hba *phba = vport->phba; | |
f631b4be | 5278 | u64 node_name; |
dea3101e | 5279 | |
5280 | spin_lock_irq(shost->host_lock); | |
5281 | ||
73d91e50 JS |
5282 | if ((vport->port_state > LPFC_FLOGI) && |
5283 | ((vport->fc_flag & FC_FABRIC) || | |
5284 | ((phba->fc_topology == LPFC_TOPOLOGY_LOOP) && | |
5285 | (vport->fc_flag & FC_PUBLIC_LOOP)))) | |
68ce1eb5 | 5286 | node_name = wwn_to_u64(phba->fc_fabparam.nodeName.u.wwn); |
dea3101e | 5287 | else |
5288 | /* fabric is local port if there is no F/FL_Port */ | |
09372820 | 5289 | node_name = 0; |
dea3101e | 5290 | |
5291 | spin_unlock_irq(shost->host_lock); | |
5292 | ||
f631b4be | 5293 | fc_host_fabric_name(shost) = node_name; |
dea3101e | 5294 | } |
5295 | ||
e59058c4 | 5296 | /** |
3621a710 | 5297 | * lpfc_get_stats - Return statistical information about the adapter |
e59058c4 JS |
5298 | * @shost: kernel scsi host pointer. |
5299 | * | |
5300 | * Notes: | |
5301 | * NULL on error for link down, no mbox pool, sli2 active, | |
5302 | * management not allowed, memory allocation error, or mbox error. | |
5303 | * | |
5304 | * Returns: | |
5305 | * NULL for error | |
5306 | * address of the adapter host statistics | |
5307 | **/ | |
dea3101e | 5308 | static struct fc_host_statistics * |
5309 | lpfc_get_stats(struct Scsi_Host *shost) | |
5310 | { | |
2e0fef85 JS |
5311 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
5312 | struct lpfc_hba *phba = vport->phba; | |
5313 | struct lpfc_sli *psli = &phba->sli; | |
f888ba3c | 5314 | struct fc_host_statistics *hs = &phba->link_stats; |
64ba8818 | 5315 | struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets; |
dea3101e | 5316 | LPFC_MBOXQ_t *pmboxq; |
5317 | MAILBOX_t *pmb; | |
64ba8818 | 5318 | unsigned long seconds; |
433c3579 | 5319 | int rc = 0; |
dea3101e | 5320 | |
92d7f7b0 JS |
5321 | /* |
5322 | * prevent udev from issuing mailbox commands until the port is | |
5323 | * configured. | |
5324 | */ | |
2e0fef85 JS |
5325 | if (phba->link_state < LPFC_LINK_DOWN || |
5326 | !phba->mbox_mem_pool || | |
f4b4c68f | 5327 | (phba->sli.sli_flag & LPFC_SLI_ACTIVE) == 0) |
92d7f7b0 | 5328 | return NULL; |
2e0fef85 JS |
5329 | |
5330 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) | |
46fa311e JS |
5331 | return NULL; |
5332 | ||
dea3101e | 5333 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
5334 | if (!pmboxq) | |
5335 | return NULL; | |
5336 | memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); | |
5337 | ||
04c68496 | 5338 | pmb = &pmboxq->u.mb; |
dea3101e | 5339 | pmb->mbxCommand = MBX_READ_STATUS; |
5340 | pmb->mbxOwner = OWN_HOST; | |
5341 | pmboxq->context1 = NULL; | |
92d7f7b0 | 5342 | pmboxq->vport = vport; |
dea3101e | 5343 | |
75baf696 | 5344 | if (vport->fc_flag & FC_OFFLINE_MODE) |
dea3101e | 5345 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
433c3579 | 5346 | else |
dea3101e | 5347 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); |
5348 | ||
5349 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 5350 | if (rc != MBX_TIMEOUT) |
433c3579 | 5351 | mempool_free(pmboxq, phba->mbox_mem_pool); |
dea3101e | 5352 | return NULL; |
5353 | } | |
5354 | ||
f888ba3c JSEC |
5355 | memset(hs, 0, sizeof (struct fc_host_statistics)); |
5356 | ||
dea3101e | 5357 | hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt; |
73d91e50 JS |
5358 | /* |
5359 | * The MBX_READ_STATUS returns tx_k_bytes which has to | |
5360 | * converted to words | |
5361 | */ | |
5362 | hs->tx_words = (uint64_t) | |
5363 | ((uint64_t)pmb->un.varRdStatus.xmitByteCnt | |
5364 | * (uint64_t)256); | |
dea3101e | 5365 | hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt; |
73d91e50 JS |
5366 | hs->rx_words = (uint64_t) |
5367 | ((uint64_t)pmb->un.varRdStatus.rcvByteCnt | |
5368 | * (uint64_t)256); | |
dea3101e | 5369 | |
433c3579 | 5370 | memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); |
dea3101e | 5371 | pmb->mbxCommand = MBX_READ_LNK_STAT; |
5372 | pmb->mbxOwner = OWN_HOST; | |
5373 | pmboxq->context1 = NULL; | |
92d7f7b0 | 5374 | pmboxq->vport = vport; |
dea3101e | 5375 | |
75baf696 | 5376 | if (vport->fc_flag & FC_OFFLINE_MODE) |
dea3101e | 5377 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
433c3579 | 5378 | else |
dea3101e | 5379 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); |
5380 | ||
5381 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 5382 | if (rc != MBX_TIMEOUT) |
92d7f7b0 | 5383 | mempool_free(pmboxq, phba->mbox_mem_pool); |
dea3101e | 5384 | return NULL; |
5385 | } | |
5386 | ||
5387 | hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt; | |
5388 | hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt; | |
5389 | hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt; | |
5390 | hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt; | |
5391 | hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord; | |
5392 | hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt; | |
5393 | hs->error_frames = pmb->un.varRdLnk.crcCnt; | |
5394 | ||
64ba8818 JS |
5395 | hs->link_failure_count -= lso->link_failure_count; |
5396 | hs->loss_of_sync_count -= lso->loss_of_sync_count; | |
5397 | hs->loss_of_signal_count -= lso->loss_of_signal_count; | |
5398 | hs->prim_seq_protocol_err_count -= lso->prim_seq_protocol_err_count; | |
5399 | hs->invalid_tx_word_count -= lso->invalid_tx_word_count; | |
5400 | hs->invalid_crc_count -= lso->invalid_crc_count; | |
5401 | hs->error_frames -= lso->error_frames; | |
5402 | ||
76a95d75 | 5403 | if (phba->hba_flag & HBA_FCOE_MODE) { |
4d9ab994 JS |
5404 | hs->lip_count = -1; |
5405 | hs->nos_count = (phba->link_events >> 1); | |
5406 | hs->nos_count -= lso->link_events; | |
76a95d75 | 5407 | } else if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { |
dea3101e | 5408 | hs->lip_count = (phba->fc_eventTag >> 1); |
64ba8818 | 5409 | hs->lip_count -= lso->link_events; |
dea3101e | 5410 | hs->nos_count = -1; |
5411 | } else { | |
5412 | hs->lip_count = -1; | |
5413 | hs->nos_count = (phba->fc_eventTag >> 1); | |
64ba8818 | 5414 | hs->nos_count -= lso->link_events; |
dea3101e | 5415 | } |
5416 | ||
5417 | hs->dumped_frames = -1; | |
5418 | ||
64ba8818 JS |
5419 | seconds = get_seconds(); |
5420 | if (seconds < psli->stats_start) | |
5421 | hs->seconds_since_last_reset = seconds + | |
5422 | ((unsigned long)-1 - psli->stats_start); | |
5423 | else | |
5424 | hs->seconds_since_last_reset = seconds - psli->stats_start; | |
dea3101e | 5425 | |
1dcb58e5 JS |
5426 | mempool_free(pmboxq, phba->mbox_mem_pool); |
5427 | ||
dea3101e | 5428 | return hs; |
5429 | } | |
5430 | ||
e59058c4 | 5431 | /** |
3621a710 | 5432 | * lpfc_reset_stats - Copy the adapter link stats information |
e59058c4 JS |
5433 | * @shost: kernel scsi host pointer. |
5434 | **/ | |
64ba8818 JS |
5435 | static void |
5436 | lpfc_reset_stats(struct Scsi_Host *shost) | |
5437 | { | |
2e0fef85 JS |
5438 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
5439 | struct lpfc_hba *phba = vport->phba; | |
5440 | struct lpfc_sli *psli = &phba->sli; | |
5441 | struct lpfc_lnk_stat *lso = &psli->lnk_stat_offsets; | |
64ba8818 JS |
5442 | LPFC_MBOXQ_t *pmboxq; |
5443 | MAILBOX_t *pmb; | |
5444 | int rc = 0; | |
5445 | ||
2e0fef85 | 5446 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) |
46fa311e JS |
5447 | return; |
5448 | ||
64ba8818 JS |
5449 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
5450 | if (!pmboxq) | |
5451 | return; | |
5452 | memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t)); | |
5453 | ||
04c68496 | 5454 | pmb = &pmboxq->u.mb; |
64ba8818 JS |
5455 | pmb->mbxCommand = MBX_READ_STATUS; |
5456 | pmb->mbxOwner = OWN_HOST; | |
5457 | pmb->un.varWords[0] = 0x1; /* reset request */ | |
5458 | pmboxq->context1 = NULL; | |
92d7f7b0 | 5459 | pmboxq->vport = vport; |
64ba8818 | 5460 | |
2e0fef85 | 5461 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
f4b4c68f | 5462 | (!(psli->sli_flag & LPFC_SLI_ACTIVE))) |
64ba8818 JS |
5463 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
5464 | else | |
5465 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); | |
5466 | ||
5467 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 5468 | if (rc != MBX_TIMEOUT) |
64ba8818 JS |
5469 | mempool_free(pmboxq, phba->mbox_mem_pool); |
5470 | return; | |
5471 | } | |
5472 | ||
5473 | memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t)); | |
5474 | pmb->mbxCommand = MBX_READ_LNK_STAT; | |
5475 | pmb->mbxOwner = OWN_HOST; | |
5476 | pmboxq->context1 = NULL; | |
92d7f7b0 | 5477 | pmboxq->vport = vport; |
64ba8818 | 5478 | |
2e0fef85 | 5479 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
f4b4c68f | 5480 | (!(psli->sli_flag & LPFC_SLI_ACTIVE))) |
64ba8818 JS |
5481 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
5482 | else | |
5483 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); | |
5484 | ||
5485 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 5486 | if (rc != MBX_TIMEOUT) |
64ba8818 JS |
5487 | mempool_free( pmboxq, phba->mbox_mem_pool); |
5488 | return; | |
5489 | } | |
5490 | ||
5491 | lso->link_failure_count = pmb->un.varRdLnk.linkFailureCnt; | |
5492 | lso->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt; | |
5493 | lso->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt; | |
5494 | lso->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt; | |
5495 | lso->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord; | |
5496 | lso->invalid_crc_count = pmb->un.varRdLnk.crcCnt; | |
5497 | lso->error_frames = pmb->un.varRdLnk.crcCnt; | |
76a95d75 | 5498 | if (phba->hba_flag & HBA_FCOE_MODE) |
4d9ab994 JS |
5499 | lso->link_events = (phba->link_events >> 1); |
5500 | else | |
5501 | lso->link_events = (phba->fc_eventTag >> 1); | |
64ba8818 JS |
5502 | |
5503 | psli->stats_start = get_seconds(); | |
5504 | ||
1dcb58e5 JS |
5505 | mempool_free(pmboxq, phba->mbox_mem_pool); |
5506 | ||
64ba8818 JS |
5507 | return; |
5508 | } | |
dea3101e | 5509 | |
5510 | /* | |
5511 | * The LPFC driver treats linkdown handling as target loss events so there | |
5512 | * are no sysfs handlers for link_down_tmo. | |
5513 | */ | |
685f0bf7 | 5514 | |
e59058c4 | 5515 | /** |
3621a710 | 5516 | * lpfc_get_node_by_target - Return the nodelist for a target |
e59058c4 JS |
5517 | * @starget: kernel scsi target pointer. |
5518 | * | |
5519 | * Returns: | |
5520 | * address of the node list if found | |
5521 | * NULL target not found | |
5522 | **/ | |
685f0bf7 JS |
5523 | static struct lpfc_nodelist * |
5524 | lpfc_get_node_by_target(struct scsi_target *starget) | |
dea3101e | 5525 | { |
2e0fef85 JS |
5526 | struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); |
5527 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
685f0bf7 | 5528 | struct lpfc_nodelist *ndlp; |
dea3101e | 5529 | |
5530 | spin_lock_irq(shost->host_lock); | |
685f0bf7 | 5531 | /* Search for this, mapped, target ID */ |
2e0fef85 | 5532 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
e47c9093 JS |
5533 | if (NLP_CHK_NODE_ACT(ndlp) && |
5534 | ndlp->nlp_state == NLP_STE_MAPPED_NODE && | |
685f0bf7 JS |
5535 | starget->id == ndlp->nlp_sid) { |
5536 | spin_unlock_irq(shost->host_lock); | |
5537 | return ndlp; | |
dea3101e | 5538 | } |
5539 | } | |
5540 | spin_unlock_irq(shost->host_lock); | |
685f0bf7 JS |
5541 | return NULL; |
5542 | } | |
dea3101e | 5543 | |
e59058c4 | 5544 | /** |
3621a710 | 5545 | * lpfc_get_starget_port_id - Set the target port id to the ndlp DID or -1 |
e59058c4 JS |
5546 | * @starget: kernel scsi target pointer. |
5547 | **/ | |
685f0bf7 JS |
5548 | static void |
5549 | lpfc_get_starget_port_id(struct scsi_target *starget) | |
5550 | { | |
5551 | struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); | |
5552 | ||
5553 | fc_starget_port_id(starget) = ndlp ? ndlp->nlp_DID : -1; | |
dea3101e | 5554 | } |
5555 | ||
e59058c4 | 5556 | /** |
3621a710 | 5557 | * lpfc_get_starget_node_name - Set the target node name |
e59058c4 JS |
5558 | * @starget: kernel scsi target pointer. |
5559 | * | |
5560 | * Description: Set the target node name to the ndlp node name wwn or zero. | |
5561 | **/ | |
dea3101e | 5562 | static void |
5563 | lpfc_get_starget_node_name(struct scsi_target *starget) | |
5564 | { | |
685f0bf7 | 5565 | struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); |
dea3101e | 5566 | |
685f0bf7 JS |
5567 | fc_starget_node_name(starget) = |
5568 | ndlp ? wwn_to_u64(ndlp->nlp_nodename.u.wwn) : 0; | |
dea3101e | 5569 | } |
5570 | ||
e59058c4 | 5571 | /** |
3621a710 | 5572 | * lpfc_get_starget_port_name - Set the target port name |
e59058c4 JS |
5573 | * @starget: kernel scsi target pointer. |
5574 | * | |
5575 | * Description: set the target port name to the ndlp port name wwn or zero. | |
5576 | **/ | |
dea3101e | 5577 | static void |
5578 | lpfc_get_starget_port_name(struct scsi_target *starget) | |
5579 | { | |
685f0bf7 | 5580 | struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); |
dea3101e | 5581 | |
685f0bf7 JS |
5582 | fc_starget_port_name(starget) = |
5583 | ndlp ? wwn_to_u64(ndlp->nlp_portname.u.wwn) : 0; | |
dea3101e | 5584 | } |
5585 | ||
e59058c4 | 5586 | /** |
3621a710 | 5587 | * lpfc_set_rport_loss_tmo - Set the rport dev loss tmo |
e59058c4 JS |
5588 | * @rport: fc rport address. |
5589 | * @timeout: new value for dev loss tmo. | |
5590 | * | |
5591 | * Description: | |
5592 | * If timeout is non zero set the dev_loss_tmo to timeout, else set | |
5593 | * dev_loss_tmo to one. | |
5594 | **/ | |
dea3101e | 5595 | static void |
5596 | lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout) | |
5597 | { | |
dea3101e | 5598 | if (timeout) |
c01f3208 | 5599 | rport->dev_loss_tmo = timeout; |
dea3101e | 5600 | else |
c01f3208 | 5601 | rport->dev_loss_tmo = 1; |
dea3101e | 5602 | } |
5603 | ||
e59058c4 | 5604 | /** |
3621a710 | 5605 | * lpfc_rport_show_function - Return rport target information |
e59058c4 JS |
5606 | * |
5607 | * Description: | |
5608 | * Macro that uses field to generate a function with the name lpfc_show_rport_ | |
5609 | * | |
5610 | * lpfc_show_rport_##field: returns the bytes formatted in buf | |
5611 | * @cdev: class converted to an fc_rport. | |
5612 | * @buf: on return contains the target_field or zero. | |
5613 | * | |
5614 | * Returns: size of formatted string. | |
5615 | **/ | |
dea3101e | 5616 | #define lpfc_rport_show_function(field, format_string, sz, cast) \ |
5617 | static ssize_t \ | |
ee959b00 TJ |
5618 | lpfc_show_rport_##field (struct device *dev, \ |
5619 | struct device_attribute *attr, \ | |
5620 | char *buf) \ | |
dea3101e | 5621 | { \ |
ee959b00 | 5622 | struct fc_rport *rport = transport_class_to_rport(dev); \ |
dea3101e | 5623 | struct lpfc_rport_data *rdata = rport->hostdata; \ |
5624 | return snprintf(buf, sz, format_string, \ | |
5625 | (rdata->target) ? cast rdata->target->field : 0); \ | |
5626 | } | |
5627 | ||
5628 | #define lpfc_rport_rd_attr(field, format_string, sz) \ | |
5629 | lpfc_rport_show_function(field, format_string, sz, ) \ | |
5630 | static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL) | |
5631 | ||
eada272d | 5632 | /** |
3621a710 | 5633 | * lpfc_set_vport_symbolic_name - Set the vport's symbolic name |
eada272d JS |
5634 | * @fc_vport: The fc_vport who's symbolic name has been changed. |
5635 | * | |
5636 | * Description: | |
5637 | * This function is called by the transport after the @fc_vport's symbolic name | |
5638 | * has been changed. This function re-registers the symbolic name with the | |
25985edc | 5639 | * switch to propagate the change into the fabric if the vport is active. |
eada272d JS |
5640 | **/ |
5641 | static void | |
5642 | lpfc_set_vport_symbolic_name(struct fc_vport *fc_vport) | |
5643 | { | |
5644 | struct lpfc_vport *vport = *(struct lpfc_vport **)fc_vport->dd_data; | |
5645 | ||
5646 | if (vport->port_state == LPFC_VPORT_READY) | |
5647 | lpfc_ns_cmd(vport, SLI_CTNS_RSPN_ID, 0, 0); | |
5648 | } | |
dea3101e | 5649 | |
f4b4c68f JS |
5650 | /** |
5651 | * lpfc_hba_log_verbose_init - Set hba's log verbose level | |
5652 | * @phba: Pointer to lpfc_hba struct. | |
5653 | * | |
5654 | * This function is called by the lpfc_get_cfgparam() routine to set the | |
5655 | * module lpfc_log_verbose into the @phba cfg_log_verbose for use with | |
70f23fd6 | 5656 | * log message according to the module's lpfc_log_verbose parameter setting |
f4b4c68f JS |
5657 | * before hba port or vport created. |
5658 | **/ | |
5659 | static void | |
5660 | lpfc_hba_log_verbose_init(struct lpfc_hba *phba, uint32_t verbose) | |
5661 | { | |
5662 | phba->cfg_log_verbose = verbose; | |
5663 | } | |
5664 | ||
dea3101e | 5665 | struct fc_function_template lpfc_transport_functions = { |
5666 | /* fixed attributes the driver supports */ | |
5667 | .show_host_node_name = 1, | |
5668 | .show_host_port_name = 1, | |
5669 | .show_host_supported_classes = 1, | |
5670 | .show_host_supported_fc4s = 1, | |
dea3101e | 5671 | .show_host_supported_speeds = 1, |
5672 | .show_host_maxframe_size = 1, | |
eada272d | 5673 | .show_host_symbolic_name = 1, |
dea3101e | 5674 | |
5675 | /* dynamic attributes the driver supports */ | |
5676 | .get_host_port_id = lpfc_get_host_port_id, | |
5677 | .show_host_port_id = 1, | |
5678 | ||
5679 | .get_host_port_type = lpfc_get_host_port_type, | |
5680 | .show_host_port_type = 1, | |
5681 | ||
5682 | .get_host_port_state = lpfc_get_host_port_state, | |
5683 | .show_host_port_state = 1, | |
5684 | ||
5685 | /* active_fc4s is shown but doesn't change (thus no get function) */ | |
5686 | .show_host_active_fc4s = 1, | |
5687 | ||
5688 | .get_host_speed = lpfc_get_host_speed, | |
5689 | .show_host_speed = 1, | |
5690 | ||
5691 | .get_host_fabric_name = lpfc_get_host_fabric_name, | |
5692 | .show_host_fabric_name = 1, | |
5693 | ||
5694 | /* | |
5695 | * The LPFC driver treats linkdown handling as target loss events | |
5696 | * so there are no sysfs handlers for link_down_tmo. | |
5697 | */ | |
5698 | ||
5699 | .get_fc_host_stats = lpfc_get_stats, | |
64ba8818 | 5700 | .reset_fc_host_stats = lpfc_reset_stats, |
dea3101e | 5701 | |
5702 | .dd_fcrport_size = sizeof(struct lpfc_rport_data), | |
5703 | .show_rport_maxframe_size = 1, | |
5704 | .show_rport_supported_classes = 1, | |
5705 | ||
dea3101e | 5706 | .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo, |
5707 | .show_rport_dev_loss_tmo = 1, | |
5708 | ||
5709 | .get_starget_port_id = lpfc_get_starget_port_id, | |
5710 | .show_starget_port_id = 1, | |
5711 | ||
5712 | .get_starget_node_name = lpfc_get_starget_node_name, | |
5713 | .show_starget_node_name = 1, | |
5714 | ||
5715 | .get_starget_port_name = lpfc_get_starget_port_name, | |
5716 | .show_starget_port_name = 1, | |
91ca7b01 AV |
5717 | |
5718 | .issue_fc_host_lip = lpfc_issue_lip, | |
c01f3208 JS |
5719 | .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk, |
5720 | .terminate_rport_io = lpfc_terminate_rport_io, | |
92d7f7b0 | 5721 | |
92d7f7b0 | 5722 | .dd_fcvport_size = sizeof(struct lpfc_vport *), |
eada272d JS |
5723 | |
5724 | .vport_disable = lpfc_vport_disable, | |
5725 | ||
5726 | .set_vport_symbolic_name = lpfc_set_vport_symbolic_name, | |
f1c3b0fc JS |
5727 | |
5728 | .bsg_request = lpfc_bsg_request, | |
5729 | .bsg_timeout = lpfc_bsg_timeout, | |
92d7f7b0 JS |
5730 | }; |
5731 | ||
98c9ea5c JS |
5732 | struct fc_function_template lpfc_vport_transport_functions = { |
5733 | /* fixed attributes the driver supports */ | |
5734 | .show_host_node_name = 1, | |
5735 | .show_host_port_name = 1, | |
5736 | .show_host_supported_classes = 1, | |
5737 | .show_host_supported_fc4s = 1, | |
5738 | .show_host_supported_speeds = 1, | |
5739 | .show_host_maxframe_size = 1, | |
eada272d | 5740 | .show_host_symbolic_name = 1, |
98c9ea5c JS |
5741 | |
5742 | /* dynamic attributes the driver supports */ | |
5743 | .get_host_port_id = lpfc_get_host_port_id, | |
5744 | .show_host_port_id = 1, | |
5745 | ||
5746 | .get_host_port_type = lpfc_get_host_port_type, | |
5747 | .show_host_port_type = 1, | |
5748 | ||
5749 | .get_host_port_state = lpfc_get_host_port_state, | |
5750 | .show_host_port_state = 1, | |
5751 | ||
5752 | /* active_fc4s is shown but doesn't change (thus no get function) */ | |
5753 | .show_host_active_fc4s = 1, | |
5754 | ||
5755 | .get_host_speed = lpfc_get_host_speed, | |
5756 | .show_host_speed = 1, | |
5757 | ||
5758 | .get_host_fabric_name = lpfc_get_host_fabric_name, | |
5759 | .show_host_fabric_name = 1, | |
5760 | ||
5761 | /* | |
5762 | * The LPFC driver treats linkdown handling as target loss events | |
5763 | * so there are no sysfs handlers for link_down_tmo. | |
5764 | */ | |
5765 | ||
5766 | .get_fc_host_stats = lpfc_get_stats, | |
5767 | .reset_fc_host_stats = lpfc_reset_stats, | |
5768 | ||
5769 | .dd_fcrport_size = sizeof(struct lpfc_rport_data), | |
5770 | .show_rport_maxframe_size = 1, | |
5771 | .show_rport_supported_classes = 1, | |
5772 | ||
5773 | .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo, | |
5774 | .show_rport_dev_loss_tmo = 1, | |
5775 | ||
5776 | .get_starget_port_id = lpfc_get_starget_port_id, | |
5777 | .show_starget_port_id = 1, | |
5778 | ||
5779 | .get_starget_node_name = lpfc_get_starget_node_name, | |
5780 | .show_starget_node_name = 1, | |
5781 | ||
5782 | .get_starget_port_name = lpfc_get_starget_port_name, | |
5783 | .show_starget_port_name = 1, | |
5784 | ||
5785 | .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk, | |
5786 | .terminate_rport_io = lpfc_terminate_rport_io, | |
5787 | ||
5788 | .vport_disable = lpfc_vport_disable, | |
eada272d JS |
5789 | |
5790 | .set_vport_symbolic_name = lpfc_set_vport_symbolic_name, | |
98c9ea5c JS |
5791 | }; |
5792 | ||
e59058c4 | 5793 | /** |
3621a710 | 5794 | * lpfc_get_cfgparam - Used during probe_one to init the adapter structure |
e59058c4 JS |
5795 | * @phba: lpfc_hba pointer. |
5796 | **/ | |
dea3101e | 5797 | void |
5798 | lpfc_get_cfgparam(struct lpfc_hba *phba) | |
5799 | { | |
49aa143d | 5800 | lpfc_fcp_io_sched_init(phba, lpfc_fcp_io_sched); |
a6571c6e | 5801 | lpfc_fcp2_no_tgt_reset_init(phba, lpfc_fcp2_no_tgt_reset); |
7bcbb752 JSEC |
5802 | lpfc_cr_delay_init(phba, lpfc_cr_delay); |
5803 | lpfc_cr_count_init(phba, lpfc_cr_count); | |
cf5bf97e | 5804 | lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support); |
a4bc3379 JS |
5805 | lpfc_multi_ring_rctl_init(phba, lpfc_multi_ring_rctl); |
5806 | lpfc_multi_ring_type_init(phba, lpfc_multi_ring_type); | |
7bcbb752 JSEC |
5807 | lpfc_ack0_init(phba, lpfc_ack0); |
5808 | lpfc_topology_init(phba, lpfc_topology); | |
7bcbb752 | 5809 | lpfc_link_speed_init(phba, lpfc_link_speed); |
875fbdfe | 5810 | lpfc_poll_tmo_init(phba, lpfc_poll_tmo); |
0c411222 | 5811 | lpfc_task_mgmt_tmo_init(phba, lpfc_task_mgmt_tmo); |
78b2d852 | 5812 | lpfc_enable_npiv_init(phba, lpfc_enable_npiv); |
7d791df7 | 5813 | lpfc_fcf_failover_policy_init(phba, lpfc_fcf_failover_policy); |
19ca7609 | 5814 | lpfc_enable_rrq_init(phba, lpfc_enable_rrq); |
4ff43246 | 5815 | lpfc_use_msi_init(phba, lpfc_use_msi); |
da0436e9 | 5816 | lpfc_fcp_imax_init(phba, lpfc_fcp_imax); |
7bb03bbf | 5817 | lpfc_fcp_cpu_map_init(phba, lpfc_fcp_cpu_map); |
67d12733 | 5818 | lpfc_fcp_io_channel_init(phba, lpfc_fcp_io_channel); |
13815c83 JS |
5819 | lpfc_enable_hba_reset_init(phba, lpfc_enable_hba_reset); |
5820 | lpfc_enable_hba_heartbeat_init(phba, lpfc_enable_hba_heartbeat); | |
1ba981fd JS |
5821 | lpfc_EnableXLane_init(phba, lpfc_EnableXLane); |
5822 | if (phba->sli_rev != LPFC_SLI_REV4) | |
5823 | phba->cfg_EnableXLane = 0; | |
5824 | lpfc_XLanePriority_init(phba, lpfc_XLanePriority); | |
5825 | memset(phba->cfg_oas_tgt_wwpn, 0, (8 * sizeof(uint8_t))); | |
5826 | memset(phba->cfg_oas_vpt_wwpn, 0, (8 * sizeof(uint8_t))); | |
5827 | phba->cfg_oas_lun_state = 0; | |
5828 | phba->cfg_oas_lun_status = 0; | |
5829 | phba->cfg_oas_flags = 0; | |
81301a9b | 5830 | lpfc_enable_bg_init(phba, lpfc_enable_bg); |
45ed1190 JS |
5831 | if (phba->sli_rev == LPFC_SLI_REV4) |
5832 | phba->cfg_poll = 0; | |
5833 | else | |
1ba981fd | 5834 | phba->cfg_poll = lpfc_poll; |
a12e07bc | 5835 | phba->cfg_soft_wwnn = 0L; |
c3f28afa | 5836 | phba->cfg_soft_wwpn = 0L; |
83108bd3 | 5837 | lpfc_sg_seg_cnt_init(phba, lpfc_sg_seg_cnt); |
81301a9b | 5838 | lpfc_prot_sg_seg_cnt_init(phba, lpfc_prot_sg_seg_cnt); |
7054a606 | 5839 | lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth); |
6fb120a7 | 5840 | lpfc_hba_log_verbose_init(phba, lpfc_log_verbose); |
0d878419 | 5841 | lpfc_aer_support_init(phba, lpfc_aer_support); |
912e3acd | 5842 | lpfc_sriov_nr_virtfn_init(phba, lpfc_sriov_nr_virtfn); |
c71ab861 | 5843 | lpfc_request_firmware_upgrade_init(phba, lpfc_req_fw_upgrade); |
84d1b006 | 5844 | lpfc_suppress_link_up_init(phba, lpfc_suppress_link_up); |
2a9bf3d0 | 5845 | lpfc_iocb_cnt_init(phba, lpfc_iocb_cnt); |
ab56dc2e | 5846 | phba->cfg_enable_dss = 1; |
3de2a653 JS |
5847 | return; |
5848 | } | |
b28485ac | 5849 | |
e59058c4 | 5850 | /** |
3621a710 | 5851 | * lpfc_get_vport_cfgparam - Used during port create, init the vport structure |
e59058c4 JS |
5852 | * @vport: lpfc_vport pointer. |
5853 | **/ | |
3de2a653 JS |
5854 | void |
5855 | lpfc_get_vport_cfgparam(struct lpfc_vport *vport) | |
5856 | { | |
e8b62011 | 5857 | lpfc_log_verbose_init(vport, lpfc_log_verbose); |
3de2a653 | 5858 | lpfc_lun_queue_depth_init(vport, lpfc_lun_queue_depth); |
7dc517df | 5859 | lpfc_tgt_queue_depth_init(vport, lpfc_tgt_queue_depth); |
3de2a653 JS |
5860 | lpfc_devloss_tmo_init(vport, lpfc_devloss_tmo); |
5861 | lpfc_nodev_tmo_init(vport, lpfc_nodev_tmo); | |
5862 | lpfc_peer_port_login_init(vport, lpfc_peer_port_login); | |
5863 | lpfc_restrict_login_init(vport, lpfc_restrict_login); | |
5864 | lpfc_fcp_class_init(vport, lpfc_fcp_class); | |
5865 | lpfc_use_adisc_init(vport, lpfc_use_adisc); | |
3cb01c57 | 5866 | lpfc_first_burst_size_init(vport, lpfc_first_burst_size); |
977b5a0a | 5867 | lpfc_max_scsicmpl_time_init(vport, lpfc_max_scsicmpl_time); |
3de2a653 JS |
5868 | lpfc_fdmi_on_init(vport, lpfc_fdmi_on); |
5869 | lpfc_discovery_threads_init(vport, lpfc_discovery_threads); | |
5870 | lpfc_max_luns_init(vport, lpfc_max_luns); | |
5871 | lpfc_scan_down_init(vport, lpfc_scan_down); | |
7ee5d43e | 5872 | lpfc_enable_da_id_init(vport, lpfc_enable_da_id); |
dea3101e | 5873 | return; |
5874 | } |