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. * |
92494144 | 4 | * Copyright (C) 2004-2011 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> | |
0d878419 | 26 | #include <linux/aer.h> |
5a0e3ad6 | 27 | #include <linux/gfp.h> |
ecc30990 | 28 | #include <linux/kernel.h> |
dea3101e | 29 | |
91886523 | 30 | #include <scsi/scsi.h> |
dea3101e | 31 | #include <scsi/scsi_device.h> |
32 | #include <scsi/scsi_host.h> | |
33 | #include <scsi/scsi_tcq.h> | |
34 | #include <scsi/scsi_transport_fc.h> | |
6a9c52cf | 35 | #include <scsi/fc/fc_fs.h> |
dea3101e | 36 | |
da0436e9 | 37 | #include "lpfc_hw4.h" |
dea3101e | 38 | #include "lpfc_hw.h" |
39 | #include "lpfc_sli.h" | |
da0436e9 | 40 | #include "lpfc_sli4.h" |
ea2151b4 | 41 | #include "lpfc_nl.h" |
dea3101e | 42 | #include "lpfc_disc.h" |
43 | #include "lpfc_scsi.h" | |
44 | #include "lpfc.h" | |
45 | #include "lpfc_logmsg.h" | |
46 | #include "lpfc_version.h" | |
47 | #include "lpfc_compat.h" | |
48 | #include "lpfc_crtn.h" | |
92d7f7b0 | 49 | #include "lpfc_vport.h" |
dea3101e | 50 | |
c01f3208 JS |
51 | #define LPFC_DEF_DEVLOSS_TMO 30 |
52 | #define LPFC_MIN_DEVLOSS_TMO 1 | |
53 | #define LPFC_MAX_DEVLOSS_TMO 255 | |
dea3101e | 54 | |
f7a919b4 JS |
55 | /* |
56 | * Write key size should be multiple of 4. If write key is changed | |
57 | * make sure that library write key is also changed. | |
58 | */ | |
59 | #define LPFC_REG_WRITE_KEY_SIZE 4 | |
60 | #define LPFC_REG_WRITE_KEY "EMLX" | |
61 | ||
e59058c4 | 62 | /** |
3621a710 | 63 | * lpfc_jedec_to_ascii - Hex to ascii convertor according to JEDEC rules |
e59058c4 JS |
64 | * @incr: integer to convert. |
65 | * @hdw: ascii string holding converted integer plus a string terminator. | |
66 | * | |
67 | * Description: | |
68 | * JEDEC Joint Electron Device Engineering Council. | |
69 | * Convert a 32 bit integer composed of 8 nibbles into an 8 byte ascii | |
70 | * character string. The string is then terminated with a NULL in byte 9. | |
71 | * Hex 0-9 becomes ascii '0' to '9'. | |
72 | * Hex a-f becomes ascii '=' to 'B' capital B. | |
73 | * | |
74 | * Notes: | |
75 | * Coded for 32 bit integers only. | |
76 | **/ | |
dea3101e | 77 | static void |
78 | lpfc_jedec_to_ascii(int incr, char hdw[]) | |
79 | { | |
80 | int i, j; | |
81 | for (i = 0; i < 8; i++) { | |
82 | j = (incr & 0xf); | |
83 | if (j <= 9) | |
84 | hdw[7 - i] = 0x30 + j; | |
85 | else | |
86 | hdw[7 - i] = 0x61 + j - 10; | |
87 | incr = (incr >> 4); | |
88 | } | |
89 | hdw[8] = 0; | |
90 | return; | |
91 | } | |
92 | ||
e59058c4 | 93 | /** |
3621a710 | 94 | * lpfc_drvr_version_show - Return the Emulex driver string with version number |
e59058c4 JS |
95 | * @dev: class unused variable. |
96 | * @attr: device attribute, not used. | |
97 | * @buf: on return contains the module description text. | |
98 | * | |
99 | * Returns: size of formatted string. | |
100 | **/ | |
dea3101e | 101 | static ssize_t |
ee959b00 TJ |
102 | lpfc_drvr_version_show(struct device *dev, struct device_attribute *attr, |
103 | char *buf) | |
dea3101e | 104 | { |
105 | return snprintf(buf, PAGE_SIZE, LPFC_MODULE_DESC "\n"); | |
106 | } | |
107 | ||
45ed1190 JS |
108 | /** |
109 | * lpfc_enable_fip_show - Return the fip mode of the HBA | |
110 | * @dev: class unused variable. | |
111 | * @attr: device attribute, not used. | |
112 | * @buf: on return contains the module description text. | |
113 | * | |
114 | * Returns: size of formatted string. | |
115 | **/ | |
116 | static ssize_t | |
117 | lpfc_enable_fip_show(struct device *dev, struct device_attribute *attr, | |
118 | char *buf) | |
119 | { | |
120 | struct Scsi_Host *shost = class_to_shost(dev); | |
121 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
122 | struct lpfc_hba *phba = vport->phba; | |
123 | ||
124 | if (phba->hba_flag & HBA_FIP_SUPPORT) | |
125 | return snprintf(buf, PAGE_SIZE, "1\n"); | |
126 | else | |
127 | return snprintf(buf, PAGE_SIZE, "0\n"); | |
128 | } | |
129 | ||
81301a9b JS |
130 | static ssize_t |
131 | lpfc_bg_info_show(struct device *dev, struct device_attribute *attr, | |
132 | char *buf) | |
133 | { | |
134 | struct Scsi_Host *shost = class_to_shost(dev); | |
135 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
136 | struct lpfc_hba *phba = vport->phba; | |
137 | ||
138 | if (phba->cfg_enable_bg) | |
139 | if (phba->sli3_options & LPFC_SLI3_BG_ENABLED) | |
140 | return snprintf(buf, PAGE_SIZE, "BlockGuard Enabled\n"); | |
141 | else | |
142 | return snprintf(buf, PAGE_SIZE, | |
143 | "BlockGuard Not Supported\n"); | |
144 | else | |
145 | return snprintf(buf, PAGE_SIZE, | |
146 | "BlockGuard Disabled\n"); | |
147 | } | |
148 | ||
149 | static ssize_t | |
150 | lpfc_bg_guard_err_show(struct device *dev, struct device_attribute *attr, | |
151 | char *buf) | |
152 | { | |
153 | struct Scsi_Host *shost = class_to_shost(dev); | |
154 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
155 | struct lpfc_hba *phba = vport->phba; | |
156 | ||
87b5c328 JS |
157 | return snprintf(buf, PAGE_SIZE, "%llu\n", |
158 | (unsigned long long)phba->bg_guard_err_cnt); | |
81301a9b JS |
159 | } |
160 | ||
161 | static ssize_t | |
162 | lpfc_bg_apptag_err_show(struct device *dev, struct device_attribute *attr, | |
163 | char *buf) | |
164 | { | |
165 | struct Scsi_Host *shost = class_to_shost(dev); | |
166 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
167 | struct lpfc_hba *phba = vport->phba; | |
168 | ||
87b5c328 JS |
169 | return snprintf(buf, PAGE_SIZE, "%llu\n", |
170 | (unsigned long long)phba->bg_apptag_err_cnt); | |
81301a9b JS |
171 | } |
172 | ||
173 | static ssize_t | |
174 | lpfc_bg_reftag_err_show(struct device *dev, struct device_attribute *attr, | |
175 | char *buf) | |
176 | { | |
177 | struct Scsi_Host *shost = class_to_shost(dev); | |
178 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
179 | struct lpfc_hba *phba = vport->phba; | |
180 | ||
87b5c328 JS |
181 | return snprintf(buf, PAGE_SIZE, "%llu\n", |
182 | (unsigned long long)phba->bg_reftag_err_cnt); | |
81301a9b JS |
183 | } |
184 | ||
e59058c4 | 185 | /** |
3621a710 | 186 | * lpfc_info_show - Return some pci info about the host in ascii |
e59058c4 JS |
187 | * @dev: class converted to a Scsi_host structure. |
188 | * @attr: device attribute, not used. | |
189 | * @buf: on return contains the formatted text from lpfc_info(). | |
190 | * | |
191 | * Returns: size of formatted string. | |
192 | **/ | |
dea3101e | 193 | static ssize_t |
ee959b00 TJ |
194 | lpfc_info_show(struct device *dev, struct device_attribute *attr, |
195 | char *buf) | |
dea3101e | 196 | { |
ee959b00 | 197 | struct Scsi_Host *host = class_to_shost(dev); |
2e0fef85 | 198 | |
dea3101e | 199 | return snprintf(buf, PAGE_SIZE, "%s\n",lpfc_info(host)); |
200 | } | |
201 | ||
e59058c4 | 202 | /** |
3621a710 | 203 | * lpfc_serialnum_show - Return the hba serial number in ascii |
e59058c4 JS |
204 | * @dev: class converted to a Scsi_host structure. |
205 | * @attr: device attribute, not used. | |
206 | * @buf: on return contains the formatted text serial number. | |
207 | * | |
208 | * Returns: size of formatted string. | |
209 | **/ | |
dea3101e | 210 | static ssize_t |
ee959b00 TJ |
211 | lpfc_serialnum_show(struct device *dev, struct device_attribute *attr, |
212 | char *buf) | |
dea3101e | 213 | { |
ee959b00 | 214 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
215 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
216 | struct lpfc_hba *phba = vport->phba; | |
217 | ||
dea3101e | 218 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->SerialNumber); |
219 | } | |
220 | ||
e59058c4 | 221 | /** |
3621a710 | 222 | * lpfc_temp_sensor_show - Return the temperature sensor level |
e59058c4 JS |
223 | * @dev: class converted to a Scsi_host structure. |
224 | * @attr: device attribute, not used. | |
225 | * @buf: on return contains the formatted support level. | |
226 | * | |
227 | * Description: | |
228 | * Returns a number indicating the temperature sensor level currently | |
229 | * supported, zero or one in ascii. | |
230 | * | |
231 | * Returns: size of formatted string. | |
232 | **/ | |
57127f15 | 233 | static ssize_t |
ee959b00 TJ |
234 | lpfc_temp_sensor_show(struct device *dev, struct device_attribute *attr, |
235 | char *buf) | |
57127f15 | 236 | { |
ee959b00 | 237 | struct Scsi_Host *shost = class_to_shost(dev); |
57127f15 JS |
238 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
239 | struct lpfc_hba *phba = vport->phba; | |
240 | return snprintf(buf, PAGE_SIZE, "%d\n",phba->temp_sensor_support); | |
241 | } | |
242 | ||
e59058c4 | 243 | /** |
3621a710 | 244 | * lpfc_modeldesc_show - Return the model description of the hba |
e59058c4 JS |
245 | * @dev: class converted to a Scsi_host structure. |
246 | * @attr: device attribute, not used. | |
247 | * @buf: on return contains the scsi vpd model description. | |
248 | * | |
249 | * Returns: size of formatted string. | |
250 | **/ | |
dea3101e | 251 | static ssize_t |
ee959b00 TJ |
252 | lpfc_modeldesc_show(struct device *dev, struct device_attribute *attr, |
253 | char *buf) | |
dea3101e | 254 | { |
ee959b00 | 255 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
256 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
257 | struct lpfc_hba *phba = vport->phba; | |
258 | ||
dea3101e | 259 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelDesc); |
260 | } | |
261 | ||
e59058c4 | 262 | /** |
3621a710 | 263 | * lpfc_modelname_show - Return the model name of the hba |
e59058c4 JS |
264 | * @dev: class converted to a Scsi_host structure. |
265 | * @attr: device attribute, not used. | |
266 | * @buf: on return contains the scsi vpd model name. | |
267 | * | |
268 | * Returns: size of formatted string. | |
269 | **/ | |
dea3101e | 270 | static ssize_t |
ee959b00 TJ |
271 | lpfc_modelname_show(struct device *dev, struct device_attribute *attr, |
272 | char *buf) | |
dea3101e | 273 | { |
ee959b00 | 274 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
275 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
276 | struct lpfc_hba *phba = vport->phba; | |
277 | ||
dea3101e | 278 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelName); |
279 | } | |
280 | ||
e59058c4 | 281 | /** |
3621a710 | 282 | * lpfc_programtype_show - Return the program type of the hba |
e59058c4 JS |
283 | * @dev: class converted to a Scsi_host structure. |
284 | * @attr: device attribute, not used. | |
285 | * @buf: on return contains the scsi vpd program type. | |
286 | * | |
287 | * Returns: size of formatted string. | |
288 | **/ | |
dea3101e | 289 | static ssize_t |
ee959b00 TJ |
290 | lpfc_programtype_show(struct device *dev, struct device_attribute *attr, |
291 | char *buf) | |
dea3101e | 292 | { |
ee959b00 | 293 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
294 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
295 | struct lpfc_hba *phba = vport->phba; | |
296 | ||
dea3101e | 297 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->ProgramType); |
298 | } | |
299 | ||
84774a4d | 300 | /** |
3621a710 | 301 | * lpfc_mlomgmt_show - Return the Menlo Maintenance sli flag |
84774a4d JS |
302 | * @dev: class converted to a Scsi_host structure. |
303 | * @attr: device attribute, not used. | |
304 | * @buf: on return contains the Menlo Maintenance sli flag. | |
305 | * | |
306 | * Returns: size of formatted string. | |
307 | **/ | |
308 | static ssize_t | |
309 | lpfc_mlomgmt_show(struct device *dev, struct device_attribute *attr, char *buf) | |
310 | { | |
311 | struct Scsi_Host *shost = class_to_shost(dev); | |
312 | struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; | |
313 | struct lpfc_hba *phba = vport->phba; | |
314 | ||
315 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
316 | (phba->sli.sli_flag & LPFC_MENLO_MAINT)); | |
317 | } | |
318 | ||
e59058c4 | 319 | /** |
3621a710 | 320 | * lpfc_vportnum_show - Return the port number in ascii of the hba |
e59058c4 JS |
321 | * @dev: class converted to a Scsi_host structure. |
322 | * @attr: device attribute, not used. | |
323 | * @buf: on return contains scsi vpd program type. | |
324 | * | |
325 | * Returns: size of formatted string. | |
326 | **/ | |
dea3101e | 327 | static ssize_t |
ee959b00 TJ |
328 | lpfc_vportnum_show(struct device *dev, struct device_attribute *attr, |
329 | char *buf) | |
dea3101e | 330 | { |
ee959b00 | 331 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
332 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
333 | struct lpfc_hba *phba = vport->phba; | |
334 | ||
dea3101e | 335 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->Port); |
336 | } | |
337 | ||
e59058c4 | 338 | /** |
3621a710 | 339 | * lpfc_fwrev_show - Return the firmware rev running in the hba |
e59058c4 JS |
340 | * @dev: class converted to a Scsi_host structure. |
341 | * @attr: device attribute, not used. | |
342 | * @buf: on return contains the scsi vpd program type. | |
343 | * | |
344 | * Returns: size of formatted string. | |
345 | **/ | |
dea3101e | 346 | static ssize_t |
ee959b00 TJ |
347 | lpfc_fwrev_show(struct device *dev, struct device_attribute *attr, |
348 | char *buf) | |
dea3101e | 349 | { |
ee959b00 | 350 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
351 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
352 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 353 | char fwrev[32]; |
2e0fef85 | 354 | |
dea3101e | 355 | lpfc_decode_firmware_rev(phba, fwrev, 1); |
92d7f7b0 | 356 | return snprintf(buf, PAGE_SIZE, "%s, sli-%d\n", fwrev, phba->sli_rev); |
dea3101e | 357 | } |
358 | ||
e59058c4 | 359 | /** |
3621a710 | 360 | * lpfc_hdw_show - Return the jedec information about the hba |
e59058c4 JS |
361 | * @dev: class converted to a Scsi_host structure. |
362 | * @attr: device attribute, not used. | |
363 | * @buf: on return contains the scsi vpd program type. | |
364 | * | |
365 | * Returns: size of formatted string. | |
366 | **/ | |
dea3101e | 367 | static ssize_t |
ee959b00 | 368 | lpfc_hdw_show(struct device *dev, struct device_attribute *attr, char *buf) |
dea3101e | 369 | { |
370 | char hdw[9]; | |
ee959b00 | 371 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
372 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
373 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 374 | lpfc_vpd_t *vp = &phba->vpd; |
2e0fef85 | 375 | |
dea3101e | 376 | lpfc_jedec_to_ascii(vp->rev.biuRev, hdw); |
377 | return snprintf(buf, PAGE_SIZE, "%s\n", hdw); | |
378 | } | |
e59058c4 JS |
379 | |
380 | /** | |
3621a710 | 381 | * lpfc_option_rom_version_show - Return the adapter ROM FCode version |
e59058c4 JS |
382 | * @dev: class converted to a Scsi_host structure. |
383 | * @attr: device attribute, not used. | |
384 | * @buf: on return contains the ROM and FCode ascii strings. | |
385 | * | |
386 | * Returns: size of formatted string. | |
387 | **/ | |
dea3101e | 388 | static ssize_t |
ee959b00 TJ |
389 | lpfc_option_rom_version_show(struct device *dev, struct device_attribute *attr, |
390 | char *buf) | |
dea3101e | 391 | { |
ee959b00 | 392 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
393 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
394 | struct lpfc_hba *phba = vport->phba; | |
395 | ||
dea3101e | 396 | return snprintf(buf, PAGE_SIZE, "%s\n", phba->OptionROMVersion); |
397 | } | |
e59058c4 JS |
398 | |
399 | /** | |
3621a710 | 400 | * lpfc_state_show - Return the link state of the port |
e59058c4 JS |
401 | * @dev: class converted to a Scsi_host structure. |
402 | * @attr: device attribute, not used. | |
403 | * @buf: on return contains text describing the state of the link. | |
404 | * | |
405 | * Notes: | |
406 | * The switch statement has no default so zero will be returned. | |
407 | * | |
408 | * Returns: size of formatted string. | |
409 | **/ | |
dea3101e | 410 | static ssize_t |
bbd1ae41 HR |
411 | lpfc_link_state_show(struct device *dev, struct device_attribute *attr, |
412 | char *buf) | |
dea3101e | 413 | { |
ee959b00 | 414 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
415 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
416 | struct lpfc_hba *phba = vport->phba; | |
417 | int len = 0; | |
418 | ||
419 | switch (phba->link_state) { | |
420 | case LPFC_LINK_UNKNOWN: | |
41415862 | 421 | case LPFC_WARM_START: |
dea3101e | 422 | case LPFC_INIT_START: |
423 | case LPFC_INIT_MBX_CMDS: | |
424 | case LPFC_LINK_DOWN: | |
2e0fef85 | 425 | case LPFC_HBA_ERROR: |
a0c87cbd JS |
426 | if (phba->hba_flag & LINK_DISABLED) |
427 | len += snprintf(buf + len, PAGE_SIZE-len, | |
428 | "Link Down - User disabled\n"); | |
429 | else | |
430 | len += snprintf(buf + len, PAGE_SIZE-len, | |
431 | "Link Down\n"); | |
dea3101e | 432 | break; |
433 | case LPFC_LINK_UP: | |
dea3101e | 434 | case LPFC_CLEAR_LA: |
dea3101e | 435 | case LPFC_HBA_READY: |
a8adb832 | 436 | len += snprintf(buf + len, PAGE_SIZE-len, "Link Up - "); |
2e0fef85 JS |
437 | |
438 | switch (vport->port_state) { | |
2e0fef85 JS |
439 | case LPFC_LOCAL_CFG_LINK: |
440 | len += snprintf(buf + len, PAGE_SIZE-len, | |
92d7f7b0 | 441 | "Configuring Link\n"); |
2e0fef85 | 442 | break; |
92d7f7b0 | 443 | case LPFC_FDISC: |
2e0fef85 JS |
444 | case LPFC_FLOGI: |
445 | case LPFC_FABRIC_CFG_LINK: | |
446 | case LPFC_NS_REG: | |
447 | case LPFC_NS_QRY: | |
448 | case LPFC_BUILD_DISC_LIST: | |
449 | case LPFC_DISC_AUTH: | |
450 | len += snprintf(buf + len, PAGE_SIZE - len, | |
451 | "Discovery\n"); | |
452 | break; | |
453 | case LPFC_VPORT_READY: | |
454 | len += snprintf(buf + len, PAGE_SIZE - len, "Ready\n"); | |
455 | break; | |
456 | ||
92d7f7b0 JS |
457 | case LPFC_VPORT_FAILED: |
458 | len += snprintf(buf + len, PAGE_SIZE - len, "Failed\n"); | |
459 | break; | |
460 | ||
461 | case LPFC_VPORT_UNKNOWN: | |
2e0fef85 JS |
462 | len += snprintf(buf + len, PAGE_SIZE - len, |
463 | "Unknown\n"); | |
464 | break; | |
465 | } | |
84774a4d JS |
466 | if (phba->sli.sli_flag & LPFC_MENLO_MAINT) |
467 | len += snprintf(buf + len, PAGE_SIZE-len, | |
468 | " Menlo Maint Mode\n"); | |
76a95d75 | 469 | else if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { |
2e0fef85 | 470 | if (vport->fc_flag & FC_PUBLIC_LOOP) |
dea3101e | 471 | len += snprintf(buf + len, PAGE_SIZE-len, |
472 | " Public Loop\n"); | |
473 | else | |
474 | len += snprintf(buf + len, PAGE_SIZE-len, | |
475 | " Private Loop\n"); | |
476 | } else { | |
2e0fef85 | 477 | if (vport->fc_flag & FC_FABRIC) |
dea3101e | 478 | len += snprintf(buf + len, PAGE_SIZE-len, |
479 | " Fabric\n"); | |
480 | else | |
481 | len += snprintf(buf + len, PAGE_SIZE-len, | |
482 | " Point-2-Point\n"); | |
483 | } | |
484 | } | |
2e0fef85 | 485 | |
dea3101e | 486 | return len; |
487 | } | |
488 | ||
84d1b006 JS |
489 | /** |
490 | * lpfc_link_state_store - Transition the link_state on an HBA port | |
491 | * @dev: class device that is converted into a Scsi_host. | |
492 | * @attr: device attribute, not used. | |
493 | * @buf: one or more lpfc_polling_flags values. | |
494 | * @count: not used. | |
495 | * | |
496 | * Returns: | |
497 | * -EINVAL if the buffer is not "up" or "down" | |
498 | * return from link state change function if non-zero | |
499 | * length of the buf on success | |
500 | **/ | |
501 | static ssize_t | |
502 | lpfc_link_state_store(struct device *dev, struct device_attribute *attr, | |
503 | const char *buf, size_t count) | |
504 | { | |
505 | struct Scsi_Host *shost = class_to_shost(dev); | |
506 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
507 | struct lpfc_hba *phba = vport->phba; | |
508 | ||
509 | int status = -EINVAL; | |
510 | ||
511 | if ((strncmp(buf, "up", sizeof("up") - 1) == 0) && | |
512 | (phba->link_state == LPFC_LINK_DOWN)) | |
6e7288d9 | 513 | status = phba->lpfc_hba_init_link(phba, MBX_NOWAIT); |
84d1b006 JS |
514 | else if ((strncmp(buf, "down", sizeof("down") - 1) == 0) && |
515 | (phba->link_state >= LPFC_LINK_UP)) | |
6e7288d9 | 516 | status = phba->lpfc_hba_down_link(phba, MBX_NOWAIT); |
84d1b006 JS |
517 | |
518 | if (status == 0) | |
519 | return strlen(buf); | |
520 | else | |
521 | return status; | |
522 | } | |
523 | ||
e59058c4 | 524 | /** |
3621a710 | 525 | * lpfc_num_discovered_ports_show - Return sum of mapped and unmapped vports |
e59058c4 JS |
526 | * @dev: class device that is converted into a Scsi_host. |
527 | * @attr: device attribute, not used. | |
528 | * @buf: on return contains the sum of fc mapped and unmapped. | |
529 | * | |
530 | * Description: | |
531 | * Returns the ascii text number of the sum of the fc mapped and unmapped | |
532 | * vport counts. | |
533 | * | |
534 | * Returns: size of formatted string. | |
535 | **/ | |
dea3101e | 536 | static ssize_t |
ee959b00 TJ |
537 | lpfc_num_discovered_ports_show(struct device *dev, |
538 | struct device_attribute *attr, char *buf) | |
dea3101e | 539 | { |
ee959b00 | 540 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
541 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
542 | ||
543 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
544 | vport->fc_map_cnt + vport->fc_unmap_cnt); | |
dea3101e | 545 | } |
546 | ||
e59058c4 | 547 | /** |
3621a710 | 548 | * lpfc_issue_lip - Misnomer, name carried over from long ago |
e59058c4 JS |
549 | * @shost: Scsi_Host pointer. |
550 | * | |
551 | * Description: | |
552 | * Bring the link down gracefully then re-init the link. The firmware will | |
553 | * re-init the fiber channel interface as required. Does not issue a LIP. | |
554 | * | |
555 | * Returns: | |
556 | * -EPERM port offline or management commands are being blocked | |
557 | * -ENOMEM cannot allocate memory for the mailbox command | |
558 | * -EIO error sending the mailbox command | |
559 | * zero for success | |
560 | **/ | |
91ca7b01 | 561 | static int |
2e0fef85 | 562 | lpfc_issue_lip(struct Scsi_Host *shost) |
dea3101e | 563 | { |
2e0fef85 JS |
564 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
565 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 566 | LPFC_MBOXQ_t *pmboxq; |
567 | int mbxstatus = MBXERR_ERROR; | |
568 | ||
2e0fef85 | 569 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
83108bd3 | 570 | (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)) |
dea3101e | 571 | return -EPERM; |
572 | ||
573 | pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL); | |
574 | ||
575 | if (!pmboxq) | |
576 | return -ENOMEM; | |
577 | ||
578 | memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t)); | |
04c68496 JS |
579 | pmboxq->u.mb.mbxCommand = MBX_DOWN_LINK; |
580 | pmboxq->u.mb.mbxOwner = OWN_HOST; | |
4db621e0 | 581 | |
33ccf8d1 | 582 | mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO * 2); |
dea3101e | 583 | |
04c68496 JS |
584 | if ((mbxstatus == MBX_SUCCESS) && |
585 | (pmboxq->u.mb.mbxStatus == 0 || | |
586 | pmboxq->u.mb.mbxStatus == MBXERR_LINK_DOWN)) { | |
4db621e0 JS |
587 | memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t)); |
588 | lpfc_init_link(phba, pmboxq, phba->cfg_topology, | |
589 | phba->cfg_link_speed); | |
590 | mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, | |
591 | phba->fc_ratov * 2); | |
dcf2a4e0 JS |
592 | if ((mbxstatus == MBX_SUCCESS) && |
593 | (pmboxq->u.mb.mbxStatus == MBXERR_SEC_NO_PERMISSION)) | |
594 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
595 | "2859 SLI authentication is required " | |
596 | "for INIT_LINK but has not done yet\n"); | |
4db621e0 JS |
597 | } |
598 | ||
5b8bd0c9 | 599 | lpfc_set_loopback_flag(phba); |
858c9f6c | 600 | if (mbxstatus != MBX_TIMEOUT) |
433c3579 | 601 | mempool_free(pmboxq, phba->mbox_mem_pool); |
dea3101e | 602 | |
603 | if (mbxstatus == MBXERR_ERROR) | |
604 | return -EIO; | |
605 | ||
91ca7b01 | 606 | return 0; |
dea3101e | 607 | } |
608 | ||
e59058c4 | 609 | /** |
3621a710 | 610 | * lpfc_do_offline - Issues a mailbox command to bring the link down |
e59058c4 JS |
611 | * @phba: lpfc_hba pointer. |
612 | * @type: LPFC_EVT_OFFLINE, LPFC_EVT_WARM_START, LPFC_EVT_KILL. | |
613 | * | |
614 | * Notes: | |
615 | * Assumes any error from lpfc_do_offline() will be negative. | |
616 | * Can wait up to 5 seconds for the port ring buffers count | |
617 | * to reach zero, prints a warning if it is not zero and continues. | |
3621a710 | 618 | * lpfc_workq_post_event() returns a non-zero return code if call fails. |
e59058c4 JS |
619 | * |
620 | * Returns: | |
621 | * -EIO error posting the event | |
622 | * zero for success | |
623 | **/ | |
40496f07 | 624 | static int |
46fa311e | 625 | lpfc_do_offline(struct lpfc_hba *phba, uint32_t type) |
40496f07 JS |
626 | { |
627 | struct completion online_compl; | |
46fa311e JS |
628 | struct lpfc_sli_ring *pring; |
629 | struct lpfc_sli *psli; | |
40496f07 | 630 | int status = 0; |
46fa311e JS |
631 | int cnt = 0; |
632 | int i; | |
fedd3b7b | 633 | int rc; |
40496f07 JS |
634 | |
635 | init_completion(&online_compl); | |
fedd3b7b | 636 | rc = lpfc_workq_post_event(phba, &status, &online_compl, |
46fa311e | 637 | LPFC_EVT_OFFLINE_PREP); |
fedd3b7b JS |
638 | if (rc == 0) |
639 | return -ENOMEM; | |
640 | ||
46fa311e JS |
641 | wait_for_completion(&online_compl); |
642 | ||
643 | if (status != 0) | |
644 | return -EIO; | |
645 | ||
646 | psli = &phba->sli; | |
647 | ||
09372820 JS |
648 | /* Wait a little for things to settle down, but not |
649 | * long enough for dev loss timeout to expire. | |
650 | */ | |
46fa311e JS |
651 | for (i = 0; i < psli->num_rings; i++) { |
652 | pring = &psli->ring[i]; | |
46fa311e JS |
653 | while (pring->txcmplq_cnt) { |
654 | msleep(10); | |
09372820 | 655 | if (cnt++ > 500) { /* 5 secs */ |
46fa311e JS |
656 | lpfc_printf_log(phba, |
657 | KERN_WARNING, LOG_INIT, | |
e8b62011 JS |
658 | "0466 Outstanding IO when " |
659 | "bringing Adapter offline\n"); | |
46fa311e JS |
660 | break; |
661 | } | |
662 | } | |
663 | } | |
664 | ||
665 | init_completion(&online_compl); | |
fedd3b7b JS |
666 | rc = lpfc_workq_post_event(phba, &status, &online_compl, type); |
667 | if (rc == 0) | |
668 | return -ENOMEM; | |
669 | ||
40496f07 JS |
670 | wait_for_completion(&online_compl); |
671 | ||
672 | if (status != 0) | |
673 | return -EIO; | |
674 | ||
46fa311e JS |
675 | return 0; |
676 | } | |
677 | ||
e59058c4 | 678 | /** |
3621a710 | 679 | * lpfc_selective_reset - Offline then onlines the port |
e59058c4 JS |
680 | * @phba: lpfc_hba pointer. |
681 | * | |
682 | * Description: | |
683 | * If the port is configured to allow a reset then the hba is brought | |
684 | * offline then online. | |
685 | * | |
686 | * Notes: | |
687 | * Assumes any error from lpfc_do_offline() will be negative. | |
ab56dc2e | 688 | * Do not make this function static. |
e59058c4 JS |
689 | * |
690 | * Returns: | |
691 | * lpfc_do_offline() return code if not zero | |
692 | * -EIO reset not configured or error posting the event | |
693 | * zero for success | |
694 | **/ | |
7f86059a | 695 | int |
46fa311e JS |
696 | lpfc_selective_reset(struct lpfc_hba *phba) |
697 | { | |
698 | struct completion online_compl; | |
699 | int status = 0; | |
fedd3b7b | 700 | int rc; |
46fa311e | 701 | |
13815c83 | 702 | if (!phba->cfg_enable_hba_reset) |
f7a919b4 | 703 | return -EACCES; |
13815c83 | 704 | |
46fa311e JS |
705 | status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); |
706 | ||
707 | if (status != 0) | |
708 | return status; | |
709 | ||
40496f07 | 710 | init_completion(&online_compl); |
fedd3b7b | 711 | rc = lpfc_workq_post_event(phba, &status, &online_compl, |
40496f07 | 712 | LPFC_EVT_ONLINE); |
fedd3b7b JS |
713 | if (rc == 0) |
714 | return -ENOMEM; | |
715 | ||
40496f07 JS |
716 | wait_for_completion(&online_compl); |
717 | ||
718 | if (status != 0) | |
719 | return -EIO; | |
720 | ||
721 | return 0; | |
722 | } | |
723 | ||
e59058c4 | 724 | /** |
3621a710 | 725 | * lpfc_issue_reset - Selectively resets an adapter |
e59058c4 JS |
726 | * @dev: class device that is converted into a Scsi_host. |
727 | * @attr: device attribute, not used. | |
728 | * @buf: containing the string "selective". | |
729 | * @count: unused variable. | |
730 | * | |
731 | * Description: | |
732 | * If the buf contains the string "selective" then lpfc_selective_reset() | |
733 | * is called to perform the reset. | |
734 | * | |
735 | * Notes: | |
736 | * Assumes any error from lpfc_selective_reset() will be negative. | |
737 | * If lpfc_selective_reset() returns zero then the length of the buffer | |
af901ca1 | 738 | * is returned which indicates success |
e59058c4 JS |
739 | * |
740 | * Returns: | |
741 | * -EINVAL if the buffer does not contain the string "selective" | |
742 | * length of buf if lpfc-selective_reset() if the call succeeds | |
743 | * return value of lpfc_selective_reset() if the call fails | |
744 | **/ | |
40496f07 | 745 | static ssize_t |
ee959b00 TJ |
746 | lpfc_issue_reset(struct device *dev, struct device_attribute *attr, |
747 | const char *buf, size_t count) | |
40496f07 | 748 | { |
ee959b00 | 749 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
750 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
751 | struct lpfc_hba *phba = vport->phba; | |
40496f07 JS |
752 | int status = -EINVAL; |
753 | ||
73d91e50 JS |
754 | if (!phba->cfg_enable_hba_reset) |
755 | return -EACCES; | |
756 | ||
40496f07 | 757 | if (strncmp(buf, "selective", sizeof("selective") - 1) == 0) |
7f86059a | 758 | status = phba->lpfc_selective_reset(phba); |
40496f07 JS |
759 | |
760 | if (status == 0) | |
761 | return strlen(buf); | |
762 | else | |
763 | return status; | |
764 | } | |
765 | ||
88a2cfbb JS |
766 | /** |
767 | * lpfc_sli4_pdev_status_reg_wait - Wait for pdev status register for readyness | |
768 | * @phba: lpfc_hba pointer. | |
769 | * | |
770 | * Description: | |
771 | * SLI4 interface type-2 device to wait on the sliport status register for | |
772 | * the readyness after performing a firmware reset. | |
773 | * | |
774 | * Returns: | |
775 | * zero for success | |
776 | **/ | |
73d91e50 | 777 | int |
88a2cfbb JS |
778 | lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *phba) |
779 | { | |
f7a919b4 | 780 | struct lpfc_register portstat_reg = {0}; |
88a2cfbb JS |
781 | int i; |
782 | ||
f7a919b4 | 783 | msleep(100); |
88a2cfbb JS |
784 | lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr, |
785 | &portstat_reg.word0); | |
786 | ||
f7a919b4 JS |
787 | /* verify if privilaged for the request operation */ |
788 | if (!bf_get(lpfc_sliport_status_rn, &portstat_reg) && | |
789 | !bf_get(lpfc_sliport_status_err, &portstat_reg)) | |
790 | return -EPERM; | |
791 | ||
88a2cfbb JS |
792 | /* wait for the SLI port firmware ready after firmware reset */ |
793 | for (i = 0; i < LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT; i++) { | |
794 | msleep(10); | |
795 | lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr, | |
796 | &portstat_reg.word0); | |
797 | if (!bf_get(lpfc_sliport_status_err, &portstat_reg)) | |
798 | continue; | |
799 | if (!bf_get(lpfc_sliport_status_rn, &portstat_reg)) | |
800 | continue; | |
801 | if (!bf_get(lpfc_sliport_status_rdy, &portstat_reg)) | |
802 | continue; | |
803 | break; | |
804 | } | |
805 | ||
806 | if (i < LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT) | |
807 | return 0; | |
808 | else | |
809 | return -EIO; | |
810 | } | |
811 | ||
c0c11512 | 812 | /** |
52d52440 | 813 | * lpfc_sli4_pdev_reg_request - Request physical dev to perform a register acc |
c0c11512 JS |
814 | * @phba: lpfc_hba pointer. |
815 | * | |
816 | * Description: | |
52d52440 JS |
817 | * Request SLI4 interface type-2 device to perform a physical register set |
818 | * access. | |
c0c11512 JS |
819 | * |
820 | * Returns: | |
821 | * zero for success | |
822 | **/ | |
823 | static ssize_t | |
52d52440 | 824 | lpfc_sli4_pdev_reg_request(struct lpfc_hba *phba, uint32_t opcode) |
c0c11512 JS |
825 | { |
826 | struct completion online_compl; | |
b76f2dc9 | 827 | struct pci_dev *pdev = phba->pcidev; |
c0c11512 JS |
828 | uint32_t reg_val; |
829 | int status = 0; | |
830 | int rc; | |
831 | ||
832 | if (!phba->cfg_enable_hba_reset) | |
f7a919b4 | 833 | return -EACCES; |
c0c11512 | 834 | |
52d52440 JS |
835 | if ((phba->sli_rev < LPFC_SLI_REV4) || |
836 | (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) != | |
837 | LPFC_SLI_INTF_IF_TYPE_2)) | |
838 | return -EPERM; | |
839 | ||
b76f2dc9 JS |
840 | /* Disable SR-IOV virtual functions if enabled */ |
841 | if (phba->cfg_sriov_nr_virtfn) { | |
842 | pci_disable_sriov(pdev); | |
843 | phba->cfg_sriov_nr_virtfn = 0; | |
844 | } | |
c0c11512 JS |
845 | status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); |
846 | ||
847 | if (status != 0) | |
848 | return status; | |
849 | ||
850 | /* wait for the device to be quiesced before firmware reset */ | |
851 | msleep(100); | |
852 | ||
853 | reg_val = readl(phba->sli4_hba.conf_regs_memmap_p + | |
854 | LPFC_CTL_PDEV_CTL_OFFSET); | |
52d52440 JS |
855 | |
856 | if (opcode == LPFC_FW_DUMP) | |
857 | reg_val |= LPFC_FW_DUMP_REQUEST; | |
858 | else if (opcode == LPFC_FW_RESET) | |
859 | reg_val |= LPFC_CTL_PDEV_CTL_FRST; | |
860 | else if (opcode == LPFC_DV_RESET) | |
861 | reg_val |= LPFC_CTL_PDEV_CTL_DRST; | |
862 | ||
c0c11512 JS |
863 | writel(reg_val, phba->sli4_hba.conf_regs_memmap_p + |
864 | LPFC_CTL_PDEV_CTL_OFFSET); | |
865 | /* flush */ | |
866 | readl(phba->sli4_hba.conf_regs_memmap_p + LPFC_CTL_PDEV_CTL_OFFSET); | |
867 | ||
868 | /* delay driver action following IF_TYPE_2 reset */ | |
88a2cfbb JS |
869 | rc = lpfc_sli4_pdev_status_reg_wait(phba); |
870 | ||
871 | if (rc) | |
f7a919b4 | 872 | return rc; |
c0c11512 JS |
873 | |
874 | init_completion(&online_compl); | |
875 | rc = lpfc_workq_post_event(phba, &status, &online_compl, | |
876 | LPFC_EVT_ONLINE); | |
877 | if (rc == 0) | |
878 | return -ENOMEM; | |
879 | ||
880 | wait_for_completion(&online_compl); | |
881 | ||
882 | if (status != 0) | |
883 | return -EIO; | |
884 | ||
885 | return 0; | |
886 | } | |
887 | ||
e59058c4 | 888 | /** |
3621a710 | 889 | * lpfc_nport_evt_cnt_show - Return the number of nport events |
e59058c4 JS |
890 | * @dev: class device that is converted into a Scsi_host. |
891 | * @attr: device attribute, not used. | |
892 | * @buf: on return contains the ascii number of nport events. | |
893 | * | |
894 | * Returns: size of formatted string. | |
895 | **/ | |
dea3101e | 896 | static ssize_t |
ee959b00 TJ |
897 | lpfc_nport_evt_cnt_show(struct device *dev, struct device_attribute *attr, |
898 | char *buf) | |
dea3101e | 899 | { |
ee959b00 | 900 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
901 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
902 | struct lpfc_hba *phba = vport->phba; | |
903 | ||
dea3101e | 904 | return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt); |
905 | } | |
906 | ||
e59058c4 | 907 | /** |
3621a710 | 908 | * lpfc_board_mode_show - Return the state of the board |
e59058c4 JS |
909 | * @dev: class device that is converted into a Scsi_host. |
910 | * @attr: device attribute, not used. | |
911 | * @buf: on return contains the state of the adapter. | |
912 | * | |
913 | * Returns: size of formatted string. | |
914 | **/ | |
41415862 | 915 | static ssize_t |
ee959b00 TJ |
916 | lpfc_board_mode_show(struct device *dev, struct device_attribute *attr, |
917 | char *buf) | |
41415862 | 918 | { |
ee959b00 | 919 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
920 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
921 | struct lpfc_hba *phba = vport->phba; | |
41415862 JW |
922 | char * state; |
923 | ||
2e0fef85 | 924 | if (phba->link_state == LPFC_HBA_ERROR) |
41415862 | 925 | state = "error"; |
2e0fef85 | 926 | else if (phba->link_state == LPFC_WARM_START) |
41415862 | 927 | state = "warm start"; |
2e0fef85 | 928 | else if (phba->link_state == LPFC_INIT_START) |
41415862 JW |
929 | state = "offline"; |
930 | else | |
931 | state = "online"; | |
932 | ||
933 | return snprintf(buf, PAGE_SIZE, "%s\n", state); | |
934 | } | |
935 | ||
e59058c4 | 936 | /** |
3621a710 | 937 | * lpfc_board_mode_store - Puts the hba in online, offline, warm or error state |
e59058c4 JS |
938 | * @dev: class device that is converted into a Scsi_host. |
939 | * @attr: device attribute, not used. | |
940 | * @buf: containing one of the strings "online", "offline", "warm" or "error". | |
941 | * @count: unused variable. | |
942 | * | |
943 | * Returns: | |
944 | * -EACCES if enable hba reset not enabled | |
945 | * -EINVAL if the buffer does not contain a valid string (see above) | |
946 | * -EIO if lpfc_workq_post_event() or lpfc_do_offline() fails | |
947 | * buf length greater than zero indicates success | |
948 | **/ | |
41415862 | 949 | static ssize_t |
ee959b00 TJ |
950 | lpfc_board_mode_store(struct device *dev, struct device_attribute *attr, |
951 | const char *buf, size_t count) | |
41415862 | 952 | { |
ee959b00 | 953 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
954 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
955 | struct lpfc_hba *phba = vport->phba; | |
41415862 JW |
956 | struct completion online_compl; |
957 | int status=0; | |
fedd3b7b | 958 | int rc; |
41415862 | 959 | |
13815c83 JS |
960 | if (!phba->cfg_enable_hba_reset) |
961 | return -EACCES; | |
88a2cfbb JS |
962 | |
963 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
964 | "3050 lpfc_board_mode set to %s\n", buf); | |
965 | ||
41415862 JW |
966 | init_completion(&online_compl); |
967 | ||
46fa311e | 968 | if(strncmp(buf, "online", sizeof("online") - 1) == 0) { |
fedd3b7b | 969 | rc = lpfc_workq_post_event(phba, &status, &online_compl, |
41415862 | 970 | LPFC_EVT_ONLINE); |
fedd3b7b JS |
971 | if (rc == 0) |
972 | return -ENOMEM; | |
46fa311e JS |
973 | wait_for_completion(&online_compl); |
974 | } else if (strncmp(buf, "offline", sizeof("offline") - 1) == 0) | |
975 | status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); | |
41415862 | 976 | else if (strncmp(buf, "warm", sizeof("warm") - 1) == 0) |
6a9c52cf JS |
977 | if (phba->sli_rev == LPFC_SLI_REV4) |
978 | return -EINVAL; | |
979 | else | |
980 | status = lpfc_do_offline(phba, LPFC_EVT_WARM_START); | |
46fa311e | 981 | else if (strncmp(buf, "error", sizeof("error") - 1) == 0) |
6a9c52cf JS |
982 | if (phba->sli_rev == LPFC_SLI_REV4) |
983 | return -EINVAL; | |
984 | else | |
985 | status = lpfc_do_offline(phba, LPFC_EVT_KILL); | |
c0c11512 | 986 | else if (strncmp(buf, "dump", sizeof("dump") - 1) == 0) |
52d52440 JS |
987 | status = lpfc_sli4_pdev_reg_request(phba, LPFC_FW_DUMP); |
988 | else if (strncmp(buf, "fw_reset", sizeof("fw_reset") - 1) == 0) | |
989 | status = lpfc_sli4_pdev_reg_request(phba, LPFC_FW_RESET); | |
990 | else if (strncmp(buf, "dv_reset", sizeof("dv_reset") - 1) == 0) | |
991 | status = lpfc_sli4_pdev_reg_request(phba, LPFC_DV_RESET); | |
41415862 JW |
992 | else |
993 | return -EINVAL; | |
994 | ||
41415862 JW |
995 | if (!status) |
996 | return strlen(buf); | |
997 | else | |
f7a919b4 | 998 | return status; |
41415862 JW |
999 | } |
1000 | ||
e59058c4 | 1001 | /** |
3621a710 | 1002 | * lpfc_get_hba_info - Return various bits of informaton about the adapter |
e59058c4 | 1003 | * @phba: pointer to the adapter structure. |
3621a710 JS |
1004 | * @mxri: max xri count. |
1005 | * @axri: available xri count. | |
1006 | * @mrpi: max rpi count. | |
1007 | * @arpi: available rpi count. | |
1008 | * @mvpi: max vpi count. | |
1009 | * @avpi: available vpi count. | |
e59058c4 JS |
1010 | * |
1011 | * Description: | |
1012 | * If an integer pointer for an count is not null then the value for the | |
1013 | * count is returned. | |
1014 | * | |
1015 | * Returns: | |
1016 | * zero on error | |
1017 | * one for success | |
1018 | **/ | |
311464ec | 1019 | static int |
858c9f6c JS |
1020 | lpfc_get_hba_info(struct lpfc_hba *phba, |
1021 | uint32_t *mxri, uint32_t *axri, | |
1022 | uint32_t *mrpi, uint32_t *arpi, | |
1023 | uint32_t *mvpi, uint32_t *avpi) | |
92d7f7b0 | 1024 | { |
04c68496 | 1025 | struct lpfc_mbx_read_config *rd_config; |
92d7f7b0 JS |
1026 | LPFC_MBOXQ_t *pmboxq; |
1027 | MAILBOX_t *pmb; | |
1028 | int rc = 0; | |
15672319 | 1029 | uint32_t max_vpi; |
92d7f7b0 JS |
1030 | |
1031 | /* | |
1032 | * prevent udev from issuing mailbox commands until the port is | |
1033 | * configured. | |
1034 | */ | |
1035 | if (phba->link_state < LPFC_LINK_DOWN || | |
1036 | !phba->mbox_mem_pool || | |
f4b4c68f | 1037 | (phba->sli.sli_flag & LPFC_SLI_ACTIVE) == 0) |
92d7f7b0 JS |
1038 | return 0; |
1039 | ||
1040 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) | |
1041 | return 0; | |
1042 | ||
1043 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
1044 | if (!pmboxq) | |
1045 | return 0; | |
1046 | memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); | |
1047 | ||
04c68496 | 1048 | pmb = &pmboxq->u.mb; |
92d7f7b0 JS |
1049 | pmb->mbxCommand = MBX_READ_CONFIG; |
1050 | pmb->mbxOwner = OWN_HOST; | |
1051 | pmboxq->context1 = NULL; | |
1052 | ||
75baf696 | 1053 | if (phba->pport->fc_flag & FC_OFFLINE_MODE) |
92d7f7b0 JS |
1054 | rc = MBX_NOT_FINISHED; |
1055 | else | |
1056 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); | |
1057 | ||
1058 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 1059 | if (rc != MBX_TIMEOUT) |
92d7f7b0 JS |
1060 | mempool_free(pmboxq, phba->mbox_mem_pool); |
1061 | return 0; | |
1062 | } | |
1063 | ||
da0436e9 JS |
1064 | if (phba->sli_rev == LPFC_SLI_REV4) { |
1065 | rd_config = &pmboxq->u.mqe.un.rd_config; | |
1066 | if (mrpi) | |
1067 | *mrpi = bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config); | |
1068 | if (arpi) | |
1069 | *arpi = bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config) - | |
1070 | phba->sli4_hba.max_cfg_param.rpi_used; | |
1071 | if (mxri) | |
1072 | *mxri = bf_get(lpfc_mbx_rd_conf_xri_count, rd_config); | |
1073 | if (axri) | |
1074 | *axri = bf_get(lpfc_mbx_rd_conf_xri_count, rd_config) - | |
1075 | phba->sli4_hba.max_cfg_param.xri_used; | |
15672319 JS |
1076 | |
1077 | /* Account for differences with SLI-3. Get vpi count from | |
1078 | * mailbox data and subtract one for max vpi value. | |
1079 | */ | |
1080 | max_vpi = (bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) > 0) ? | |
1081 | (bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) - 1) : 0; | |
1082 | ||
da0436e9 | 1083 | if (mvpi) |
15672319 | 1084 | *mvpi = max_vpi; |
da0436e9 | 1085 | if (avpi) |
15672319 | 1086 | *avpi = max_vpi - phba->sli4_hba.max_cfg_param.vpi_used; |
da0436e9 JS |
1087 | } else { |
1088 | if (mrpi) | |
1089 | *mrpi = pmb->un.varRdConfig.max_rpi; | |
1090 | if (arpi) | |
1091 | *arpi = pmb->un.varRdConfig.avail_rpi; | |
1092 | if (mxri) | |
1093 | *mxri = pmb->un.varRdConfig.max_xri; | |
1094 | if (axri) | |
1095 | *axri = pmb->un.varRdConfig.avail_xri; | |
1096 | if (mvpi) | |
1097 | *mvpi = pmb->un.varRdConfig.max_vpi; | |
1098 | if (avpi) | |
1099 | *avpi = pmb->un.varRdConfig.avail_vpi; | |
1100 | } | |
92d7f7b0 JS |
1101 | |
1102 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
1103 | return 1; | |
1104 | } | |
1105 | ||
e59058c4 | 1106 | /** |
3621a710 | 1107 | * lpfc_max_rpi_show - Return maximum rpi |
e59058c4 JS |
1108 | * @dev: class device that is converted into a Scsi_host. |
1109 | * @attr: device attribute, not used. | |
1110 | * @buf: on return contains the maximum rpi count in decimal or "Unknown". | |
1111 | * | |
1112 | * Description: | |
1113 | * Calls lpfc_get_hba_info() asking for just the mrpi count. | |
1114 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
1115 | * to "Unknown" and the buffer length is returned, therefore the caller | |
1116 | * must check for "Unknown" in the buffer to detect a failure. | |
1117 | * | |
1118 | * Returns: size of formatted string. | |
1119 | **/ | |
92d7f7b0 | 1120 | static ssize_t |
ee959b00 TJ |
1121 | lpfc_max_rpi_show(struct device *dev, struct device_attribute *attr, |
1122 | char *buf) | |
92d7f7b0 | 1123 | { |
ee959b00 | 1124 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
1125 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1126 | struct lpfc_hba *phba = vport->phba; | |
1127 | uint32_t cnt; | |
1128 | ||
858c9f6c | 1129 | if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, NULL, NULL, NULL)) |
92d7f7b0 JS |
1130 | return snprintf(buf, PAGE_SIZE, "%d\n", cnt); |
1131 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1132 | } | |
1133 | ||
e59058c4 | 1134 | /** |
3621a710 | 1135 | * lpfc_used_rpi_show - Return maximum rpi minus available rpi |
e59058c4 JS |
1136 | * @dev: class device that is converted into a Scsi_host. |
1137 | * @attr: device attribute, not used. | |
1138 | * @buf: containing the used rpi count in decimal or "Unknown". | |
1139 | * | |
1140 | * Description: | |
1141 | * Calls lpfc_get_hba_info() asking for just the mrpi and arpi counts. | |
1142 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
1143 | * to "Unknown" and the buffer length is returned, therefore the caller | |
1144 | * must check for "Unknown" in the buffer to detect a failure. | |
1145 | * | |
1146 | * Returns: size of formatted string. | |
1147 | **/ | |
92d7f7b0 | 1148 | static ssize_t |
ee959b00 TJ |
1149 | lpfc_used_rpi_show(struct device *dev, struct device_attribute *attr, |
1150 | char *buf) | |
92d7f7b0 | 1151 | { |
ee959b00 | 1152 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
1153 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1154 | struct lpfc_hba *phba = vport->phba; | |
1155 | uint32_t cnt, acnt; | |
1156 | ||
858c9f6c | 1157 | if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, &acnt, NULL, NULL)) |
92d7f7b0 JS |
1158 | return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt)); |
1159 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1160 | } | |
1161 | ||
e59058c4 | 1162 | /** |
3621a710 | 1163 | * lpfc_max_xri_show - Return maximum xri |
e59058c4 JS |
1164 | * @dev: class device that is converted into a Scsi_host. |
1165 | * @attr: device attribute, not used. | |
1166 | * @buf: on return contains the maximum xri count in decimal or "Unknown". | |
1167 | * | |
1168 | * Description: | |
1169 | * Calls lpfc_get_hba_info() asking for just the mrpi count. | |
1170 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
1171 | * to "Unknown" and the buffer length is returned, therefore the caller | |
1172 | * must check for "Unknown" in the buffer to detect a failure. | |
1173 | * | |
1174 | * Returns: size of formatted string. | |
1175 | **/ | |
92d7f7b0 | 1176 | static ssize_t |
ee959b00 TJ |
1177 | lpfc_max_xri_show(struct device *dev, struct device_attribute *attr, |
1178 | char *buf) | |
92d7f7b0 | 1179 | { |
ee959b00 | 1180 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
1181 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1182 | struct lpfc_hba *phba = vport->phba; | |
1183 | uint32_t cnt; | |
1184 | ||
858c9f6c | 1185 | if (lpfc_get_hba_info(phba, &cnt, NULL, NULL, NULL, NULL, NULL)) |
92d7f7b0 JS |
1186 | return snprintf(buf, PAGE_SIZE, "%d\n", cnt); |
1187 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1188 | } | |
1189 | ||
e59058c4 | 1190 | /** |
3621a710 | 1191 | * lpfc_used_xri_show - Return maximum xpi minus the available xpi |
e59058c4 JS |
1192 | * @dev: class device that is converted into a Scsi_host. |
1193 | * @attr: device attribute, not used. | |
1194 | * @buf: on return contains the used xri count in decimal or "Unknown". | |
1195 | * | |
1196 | * Description: | |
1197 | * Calls lpfc_get_hba_info() asking for just the mxri and axri counts. | |
1198 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
1199 | * to "Unknown" and the buffer length is returned, therefore the caller | |
1200 | * must check for "Unknown" in the buffer to detect a failure. | |
1201 | * | |
1202 | * Returns: size of formatted string. | |
1203 | **/ | |
92d7f7b0 | 1204 | static ssize_t |
ee959b00 TJ |
1205 | lpfc_used_xri_show(struct device *dev, struct device_attribute *attr, |
1206 | char *buf) | |
92d7f7b0 | 1207 | { |
ee959b00 | 1208 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
1209 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1210 | struct lpfc_hba *phba = vport->phba; | |
1211 | uint32_t cnt, acnt; | |
1212 | ||
858c9f6c JS |
1213 | if (lpfc_get_hba_info(phba, &cnt, &acnt, NULL, NULL, NULL, NULL)) |
1214 | return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt)); | |
1215 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1216 | } | |
1217 | ||
e59058c4 | 1218 | /** |
3621a710 | 1219 | * lpfc_max_vpi_show - Return maximum vpi |
e59058c4 JS |
1220 | * @dev: class device that is converted into a Scsi_host. |
1221 | * @attr: device attribute, not used. | |
1222 | * @buf: on return contains the maximum vpi count in decimal or "Unknown". | |
1223 | * | |
1224 | * Description: | |
1225 | * Calls lpfc_get_hba_info() asking for just the mvpi count. | |
1226 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
1227 | * to "Unknown" and the buffer length is returned, therefore the caller | |
1228 | * must check for "Unknown" in the buffer to detect a failure. | |
1229 | * | |
1230 | * Returns: size of formatted string. | |
1231 | **/ | |
858c9f6c | 1232 | static ssize_t |
ee959b00 TJ |
1233 | lpfc_max_vpi_show(struct device *dev, struct device_attribute *attr, |
1234 | char *buf) | |
858c9f6c | 1235 | { |
ee959b00 | 1236 | struct Scsi_Host *shost = class_to_shost(dev); |
858c9f6c JS |
1237 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1238 | struct lpfc_hba *phba = vport->phba; | |
1239 | uint32_t cnt; | |
1240 | ||
1241 | if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, NULL)) | |
1242 | return snprintf(buf, PAGE_SIZE, "%d\n", cnt); | |
1243 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1244 | } | |
1245 | ||
e59058c4 | 1246 | /** |
3621a710 | 1247 | * lpfc_used_vpi_show - Return maximum vpi minus the available vpi |
e59058c4 JS |
1248 | * @dev: class device that is converted into a Scsi_host. |
1249 | * @attr: device attribute, not used. | |
1250 | * @buf: on return contains the used vpi count in decimal or "Unknown". | |
1251 | * | |
1252 | * Description: | |
1253 | * Calls lpfc_get_hba_info() asking for just the mvpi and avpi counts. | |
1254 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
1255 | * to "Unknown" and the buffer length is returned, therefore the caller | |
1256 | * must check for "Unknown" in the buffer to detect a failure. | |
1257 | * | |
1258 | * Returns: size of formatted string. | |
1259 | **/ | |
858c9f6c | 1260 | static ssize_t |
ee959b00 TJ |
1261 | lpfc_used_vpi_show(struct device *dev, struct device_attribute *attr, |
1262 | char *buf) | |
858c9f6c | 1263 | { |
ee959b00 | 1264 | struct Scsi_Host *shost = class_to_shost(dev); |
858c9f6c JS |
1265 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1266 | struct lpfc_hba *phba = vport->phba; | |
1267 | uint32_t cnt, acnt; | |
1268 | ||
1269 | if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, &acnt)) | |
92d7f7b0 JS |
1270 | return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt)); |
1271 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1272 | } | |
1273 | ||
e59058c4 | 1274 | /** |
3621a710 | 1275 | * lpfc_npiv_info_show - Return text about NPIV support for the adapter |
e59058c4 JS |
1276 | * @dev: class device that is converted into a Scsi_host. |
1277 | * @attr: device attribute, not used. | |
1278 | * @buf: text that must be interpreted to determine if npiv is supported. | |
1279 | * | |
1280 | * Description: | |
1281 | * Buffer will contain text indicating npiv is not suppoerted on the port, | |
1282 | * the port is an NPIV physical port, or it is an npiv virtual port with | |
1283 | * the id of the vport. | |
1284 | * | |
1285 | * Returns: size of formatted string. | |
1286 | **/ | |
92d7f7b0 | 1287 | static ssize_t |
ee959b00 TJ |
1288 | lpfc_npiv_info_show(struct device *dev, struct device_attribute *attr, |
1289 | char *buf) | |
92d7f7b0 | 1290 | { |
ee959b00 | 1291 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
1292 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1293 | struct lpfc_hba *phba = vport->phba; | |
1294 | ||
1295 | if (!(phba->max_vpi)) | |
1296 | return snprintf(buf, PAGE_SIZE, "NPIV Not Supported\n"); | |
1297 | if (vport->port_type == LPFC_PHYSICAL_PORT) | |
1298 | return snprintf(buf, PAGE_SIZE, "NPIV Physical\n"); | |
1299 | return snprintf(buf, PAGE_SIZE, "NPIV Virtual (VPI %d)\n", vport->vpi); | |
1300 | } | |
1301 | ||
e59058c4 | 1302 | /** |
3621a710 | 1303 | * lpfc_poll_show - Return text about poll support for the adapter |
e59058c4 JS |
1304 | * @dev: class device that is converted into a Scsi_host. |
1305 | * @attr: device attribute, not used. | |
1306 | * @buf: on return contains the cfg_poll in hex. | |
1307 | * | |
1308 | * Notes: | |
1309 | * cfg_poll should be a lpfc_polling_flags type. | |
1310 | * | |
1311 | * Returns: size of formatted string. | |
1312 | **/ | |
875fbdfe | 1313 | static ssize_t |
ee959b00 TJ |
1314 | lpfc_poll_show(struct device *dev, struct device_attribute *attr, |
1315 | char *buf) | |
875fbdfe | 1316 | { |
ee959b00 | 1317 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1318 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1319 | struct lpfc_hba *phba = vport->phba; | |
875fbdfe JSEC |
1320 | |
1321 | return snprintf(buf, PAGE_SIZE, "%#x\n", phba->cfg_poll); | |
1322 | } | |
1323 | ||
e59058c4 | 1324 | /** |
3621a710 | 1325 | * lpfc_poll_store - Set the value of cfg_poll for the adapter |
e59058c4 JS |
1326 | * @dev: class device that is converted into a Scsi_host. |
1327 | * @attr: device attribute, not used. | |
1328 | * @buf: one or more lpfc_polling_flags values. | |
1329 | * @count: not used. | |
1330 | * | |
1331 | * Notes: | |
1332 | * buf contents converted to integer and checked for a valid value. | |
1333 | * | |
1334 | * Returns: | |
1335 | * -EINVAL if the buffer connot be converted or is out of range | |
1336 | * length of the buf on success | |
1337 | **/ | |
875fbdfe | 1338 | static ssize_t |
ee959b00 TJ |
1339 | lpfc_poll_store(struct device *dev, struct device_attribute *attr, |
1340 | const char *buf, size_t count) | |
875fbdfe | 1341 | { |
ee959b00 | 1342 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1343 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1344 | struct lpfc_hba *phba = vport->phba; | |
875fbdfe JSEC |
1345 | uint32_t creg_val; |
1346 | uint32_t old_val; | |
1347 | int val=0; | |
1348 | ||
1349 | if (!isdigit(buf[0])) | |
1350 | return -EINVAL; | |
1351 | ||
1352 | if (sscanf(buf, "%i", &val) != 1) | |
1353 | return -EINVAL; | |
1354 | ||
1355 | if ((val & 0x3) != val) | |
1356 | return -EINVAL; | |
1357 | ||
45ed1190 JS |
1358 | if (phba->sli_rev == LPFC_SLI_REV4) |
1359 | val = 0; | |
1360 | ||
88a2cfbb JS |
1361 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
1362 | "3051 lpfc_poll changed from %d to %d\n", | |
1363 | phba->cfg_poll, val); | |
1364 | ||
2e0fef85 | 1365 | spin_lock_irq(&phba->hbalock); |
875fbdfe JSEC |
1366 | |
1367 | old_val = phba->cfg_poll; | |
1368 | ||
1369 | if (val & ENABLE_FCP_RING_POLLING) { | |
1370 | if ((val & DISABLE_FCP_RING_INT) && | |
1371 | !(old_val & DISABLE_FCP_RING_INT)) { | |
9940b97b JS |
1372 | if (lpfc_readl(phba->HCregaddr, &creg_val)) { |
1373 | spin_unlock_irq(&phba->hbalock); | |
1374 | return -EINVAL; | |
1375 | } | |
875fbdfe JSEC |
1376 | creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING); |
1377 | writel(creg_val, phba->HCregaddr); | |
1378 | readl(phba->HCregaddr); /* flush */ | |
1379 | ||
1380 | lpfc_poll_start_timer(phba); | |
1381 | } | |
1382 | } else if (val != 0x0) { | |
2e0fef85 | 1383 | spin_unlock_irq(&phba->hbalock); |
875fbdfe JSEC |
1384 | return -EINVAL; |
1385 | } | |
1386 | ||
1387 | if (!(val & DISABLE_FCP_RING_INT) && | |
1388 | (old_val & DISABLE_FCP_RING_INT)) | |
1389 | { | |
2e0fef85 | 1390 | spin_unlock_irq(&phba->hbalock); |
875fbdfe | 1391 | del_timer(&phba->fcp_poll_timer); |
2e0fef85 | 1392 | spin_lock_irq(&phba->hbalock); |
9940b97b JS |
1393 | if (lpfc_readl(phba->HCregaddr, &creg_val)) { |
1394 | spin_unlock_irq(&phba->hbalock); | |
1395 | return -EINVAL; | |
1396 | } | |
875fbdfe JSEC |
1397 | creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING); |
1398 | writel(creg_val, phba->HCregaddr); | |
1399 | readl(phba->HCregaddr); /* flush */ | |
1400 | } | |
1401 | ||
1402 | phba->cfg_poll = val; | |
1403 | ||
2e0fef85 | 1404 | spin_unlock_irq(&phba->hbalock); |
875fbdfe JSEC |
1405 | |
1406 | return strlen(buf); | |
1407 | } | |
dea3101e | 1408 | |
bc73905a JS |
1409 | /** |
1410 | * lpfc_fips_level_show - Return the current FIPS level for the HBA | |
1411 | * @dev: class unused variable. | |
1412 | * @attr: device attribute, not used. | |
1413 | * @buf: on return contains the module description text. | |
1414 | * | |
1415 | * Returns: size of formatted string. | |
1416 | **/ | |
1417 | static ssize_t | |
1418 | lpfc_fips_level_show(struct device *dev, struct device_attribute *attr, | |
1419 | char *buf) | |
1420 | { | |
1421 | struct Scsi_Host *shost = class_to_shost(dev); | |
1422 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
1423 | struct lpfc_hba *phba = vport->phba; | |
1424 | ||
1425 | return snprintf(buf, PAGE_SIZE, "%d\n", phba->fips_level); | |
1426 | } | |
1427 | ||
1428 | /** | |
1429 | * lpfc_fips_rev_show - Return the FIPS Spec revision for the HBA | |
1430 | * @dev: class unused variable. | |
1431 | * @attr: device attribute, not used. | |
1432 | * @buf: on return contains the module description text. | |
1433 | * | |
1434 | * Returns: size of formatted string. | |
1435 | **/ | |
1436 | static ssize_t | |
1437 | lpfc_fips_rev_show(struct device *dev, struct device_attribute *attr, | |
1438 | char *buf) | |
1439 | { | |
1440 | struct Scsi_Host *shost = class_to_shost(dev); | |
1441 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
1442 | struct lpfc_hba *phba = vport->phba; | |
1443 | ||
1444 | return snprintf(buf, PAGE_SIZE, "%d\n", phba->fips_spec_rev); | |
1445 | } | |
1446 | ||
ab56dc2e JS |
1447 | /** |
1448 | * lpfc_dss_show - Return the current state of dss and the configured state | |
1449 | * @dev: class converted to a Scsi_host structure. | |
1450 | * @attr: device attribute, not used. | |
1451 | * @buf: on return contains the formatted text. | |
1452 | * | |
1453 | * Returns: size of formatted string. | |
1454 | **/ | |
1455 | static ssize_t | |
1456 | lpfc_dss_show(struct device *dev, struct device_attribute *attr, | |
1457 | char *buf) | |
1458 | { | |
1459 | struct Scsi_Host *shost = class_to_shost(dev); | |
1460 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
1461 | struct lpfc_hba *phba = vport->phba; | |
1462 | ||
1463 | return snprintf(buf, PAGE_SIZE, "%s - %sOperational\n", | |
1464 | (phba->cfg_enable_dss) ? "Enabled" : "Disabled", | |
1465 | (phba->sli3_options & LPFC_SLI3_DSS_ENABLED) ? | |
1466 | "" : "Not "); | |
1467 | } | |
1468 | ||
912e3acd JS |
1469 | /** |
1470 | * lpfc_sriov_hw_max_virtfn_show - Return maximum number of virtual functions | |
1471 | * @dev: class converted to a Scsi_host structure. | |
1472 | * @attr: device attribute, not used. | |
1473 | * @buf: on return contains the formatted support level. | |
1474 | * | |
1475 | * Description: | |
1476 | * Returns the maximum number of virtual functions a physical function can | |
1477 | * support, 0 will be returned if called on virtual function. | |
1478 | * | |
1479 | * Returns: size of formatted string. | |
1480 | **/ | |
1481 | static ssize_t | |
1482 | lpfc_sriov_hw_max_virtfn_show(struct device *dev, | |
1483 | struct device_attribute *attr, | |
1484 | char *buf) | |
1485 | { | |
1486 | struct Scsi_Host *shost = class_to_shost(dev); | |
1487 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
1488 | struct lpfc_hba *phba = vport->phba; | |
0a96e975 | 1489 | uint16_t max_nr_virtfn; |
912e3acd | 1490 | |
0a96e975 JS |
1491 | max_nr_virtfn = lpfc_sli_sriov_nr_virtfn_get(phba); |
1492 | return snprintf(buf, PAGE_SIZE, "%d\n", max_nr_virtfn); | |
912e3acd JS |
1493 | } |
1494 | ||
e59058c4 | 1495 | /** |
3621a710 | 1496 | * lpfc_param_show - Return a cfg attribute value in decimal |
e59058c4 JS |
1497 | * |
1498 | * Description: | |
1499 | * Macro that given an attr e.g. hba_queue_depth expands | |
1500 | * into a function with the name lpfc_hba_queue_depth_show. | |
1501 | * | |
1502 | * lpfc_##attr##_show: Return the decimal value of an adapters cfg_xxx field. | |
1503 | * @dev: class device that is converted into a Scsi_host. | |
1504 | * @attr: device attribute, not used. | |
1505 | * @buf: on return contains the attribute value in decimal. | |
1506 | * | |
1507 | * Returns: size of formatted string. | |
1508 | **/ | |
dea3101e | 1509 | #define lpfc_param_show(attr) \ |
1510 | static ssize_t \ | |
ee959b00 TJ |
1511 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
1512 | char *buf) \ | |
dea3101e | 1513 | { \ |
ee959b00 | 1514 | struct Scsi_Host *shost = class_to_shost(dev);\ |
2e0fef85 JS |
1515 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
1516 | struct lpfc_hba *phba = vport->phba;\ | |
84d1b006 | 1517 | uint val = 0;\ |
7bcbb752 JSEC |
1518 | val = phba->cfg_##attr;\ |
1519 | return snprintf(buf, PAGE_SIZE, "%d\n",\ | |
1520 | phba->cfg_##attr);\ | |
1521 | } | |
1522 | ||
e59058c4 | 1523 | /** |
3621a710 | 1524 | * lpfc_param_hex_show - Return a cfg attribute value in hex |
e59058c4 JS |
1525 | * |
1526 | * Description: | |
1527 | * Macro that given an attr e.g. hba_queue_depth expands | |
1528 | * into a function with the name lpfc_hba_queue_depth_show | |
1529 | * | |
1530 | * lpfc_##attr##_show: Return the hex value of an adapters cfg_xxx field. | |
1531 | * @dev: class device that is converted into a Scsi_host. | |
1532 | * @attr: device attribute, not used. | |
3621a710 | 1533 | * @buf: on return contains the attribute value in hexadecimal. |
e59058c4 JS |
1534 | * |
1535 | * Returns: size of formatted string. | |
1536 | **/ | |
93a20f74 JSEC |
1537 | #define lpfc_param_hex_show(attr) \ |
1538 | static ssize_t \ | |
ee959b00 TJ |
1539 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
1540 | char *buf) \ | |
93a20f74 | 1541 | { \ |
ee959b00 | 1542 | struct Scsi_Host *shost = class_to_shost(dev);\ |
2e0fef85 JS |
1543 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
1544 | struct lpfc_hba *phba = vport->phba;\ | |
84d1b006 | 1545 | uint val = 0;\ |
93a20f74 JSEC |
1546 | val = phba->cfg_##attr;\ |
1547 | return snprintf(buf, PAGE_SIZE, "%#x\n",\ | |
1548 | phba->cfg_##attr);\ | |
1549 | } | |
1550 | ||
e59058c4 | 1551 | /** |
b595076a | 1552 | * lpfc_param_init - Initializes a cfg attribute |
e59058c4 JS |
1553 | * |
1554 | * Description: | |
1555 | * Macro that given an attr e.g. hba_queue_depth expands | |
1556 | * into a function with the name lpfc_hba_queue_depth_init. The macro also | |
1557 | * takes a default argument, a minimum and maximum argument. | |
1558 | * | |
1559 | * lpfc_##attr##_init: Initializes an attribute. | |
1560 | * @phba: pointer the the adapter structure. | |
1561 | * @val: integer attribute value. | |
1562 | * | |
1563 | * Validates the min and max values then sets the adapter config field | |
1564 | * accordingly, or uses the default if out of range and prints an error message. | |
1565 | * | |
1566 | * Returns: | |
1567 | * zero on success | |
1568 | * -EINVAL if default used | |
1569 | **/ | |
7bcbb752 JSEC |
1570 | #define lpfc_param_init(attr, default, minval, maxval) \ |
1571 | static int \ | |
84d1b006 | 1572 | lpfc_##attr##_init(struct lpfc_hba *phba, uint val) \ |
7bcbb752 JSEC |
1573 | { \ |
1574 | if (val >= minval && val <= maxval) {\ | |
1575 | phba->cfg_##attr = val;\ | |
1576 | return 0;\ | |
dea3101e | 1577 | }\ |
7bcbb752 | 1578 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \ |
e8b62011 JS |
1579 | "0449 lpfc_"#attr" attribute cannot be set to %d, "\ |
1580 | "allowed range is ["#minval", "#maxval"]\n", val); \ | |
7bcbb752 JSEC |
1581 | phba->cfg_##attr = default;\ |
1582 | return -EINVAL;\ | |
dea3101e | 1583 | } |
1584 | ||
e59058c4 | 1585 | /** |
3621a710 | 1586 | * lpfc_param_set - Set a cfg attribute value |
e59058c4 JS |
1587 | * |
1588 | * Description: | |
1589 | * Macro that given an attr e.g. hba_queue_depth expands | |
1590 | * into a function with the name lpfc_hba_queue_depth_set | |
1591 | * | |
1592 | * lpfc_##attr##_set: Sets an attribute value. | |
1593 | * @phba: pointer the the adapter structure. | |
1594 | * @val: integer attribute value. | |
1595 | * | |
1596 | * Description: | |
1597 | * Validates the min and max values then sets the | |
1598 | * adapter config field if in the valid range. prints error message | |
1599 | * and does not set the parameter if invalid. | |
1600 | * | |
1601 | * Returns: | |
1602 | * zero on success | |
1603 | * -EINVAL if val is invalid | |
1604 | **/ | |
7bcbb752 JSEC |
1605 | #define lpfc_param_set(attr, default, minval, maxval) \ |
1606 | static int \ | |
84d1b006 | 1607 | lpfc_##attr##_set(struct lpfc_hba *phba, uint val) \ |
7bcbb752 JSEC |
1608 | { \ |
1609 | if (val >= minval && val <= maxval) {\ | |
88a2cfbb JS |
1610 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \ |
1611 | "3052 lpfc_" #attr " changed from %d to %d\n", \ | |
1612 | phba->cfg_##attr, val); \ | |
7bcbb752 JSEC |
1613 | phba->cfg_##attr = val;\ |
1614 | return 0;\ | |
1615 | }\ | |
1616 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \ | |
e8b62011 JS |
1617 | "0450 lpfc_"#attr" attribute cannot be set to %d, "\ |
1618 | "allowed range is ["#minval", "#maxval"]\n", val); \ | |
7bcbb752 JSEC |
1619 | return -EINVAL;\ |
1620 | } | |
1621 | ||
e59058c4 | 1622 | /** |
3621a710 | 1623 | * lpfc_param_store - Set a vport attribute value |
e59058c4 JS |
1624 | * |
1625 | * Description: | |
1626 | * Macro that given an attr e.g. hba_queue_depth expands | |
1627 | * into a function with the name lpfc_hba_queue_depth_store. | |
1628 | * | |
1629 | * lpfc_##attr##_store: Set an sttribute value. | |
1630 | * @dev: class device that is converted into a Scsi_host. | |
1631 | * @attr: device attribute, not used. | |
1632 | * @buf: contains the attribute value in ascii. | |
1633 | * @count: not used. | |
1634 | * | |
1635 | * Description: | |
1636 | * Convert the ascii text number to an integer, then | |
1637 | * use the lpfc_##attr##_set function to set the value. | |
1638 | * | |
1639 | * Returns: | |
1640 | * -EINVAL if val is invalid or lpfc_##attr##_set() fails | |
1641 | * length of buffer upon success. | |
1642 | **/ | |
7bcbb752 | 1643 | #define lpfc_param_store(attr) \ |
dea3101e | 1644 | static ssize_t \ |
ee959b00 TJ |
1645 | lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \ |
1646 | const char *buf, size_t count) \ | |
dea3101e | 1647 | { \ |
ee959b00 | 1648 | struct Scsi_Host *shost = class_to_shost(dev);\ |
2e0fef85 JS |
1649 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
1650 | struct lpfc_hba *phba = vport->phba;\ | |
84d1b006 | 1651 | uint val = 0;\ |
93a20f74 JSEC |
1652 | if (!isdigit(buf[0]))\ |
1653 | return -EINVAL;\ | |
1654 | if (sscanf(buf, "%i", &val) != 1)\ | |
1655 | return -EINVAL;\ | |
7bcbb752 | 1656 | if (lpfc_##attr##_set(phba, val) == 0) \ |
755c0d06 | 1657 | return strlen(buf);\ |
7bcbb752 JSEC |
1658 | else \ |
1659 | return -EINVAL;\ | |
dea3101e | 1660 | } |
1661 | ||
e59058c4 | 1662 | /** |
3621a710 | 1663 | * lpfc_vport_param_show - Return decimal formatted cfg attribute value |
e59058c4 JS |
1664 | * |
1665 | * Description: | |
1666 | * Macro that given an attr e.g. hba_queue_depth expands | |
1667 | * into a function with the name lpfc_hba_queue_depth_show | |
1668 | * | |
1669 | * lpfc_##attr##_show: prints the attribute value in decimal. | |
1670 | * @dev: class device that is converted into a Scsi_host. | |
1671 | * @attr: device attribute, not used. | |
1672 | * @buf: on return contains the attribute value in decimal. | |
1673 | * | |
1674 | * Returns: length of formatted string. | |
1675 | **/ | |
3de2a653 JS |
1676 | #define lpfc_vport_param_show(attr) \ |
1677 | static ssize_t \ | |
ee959b00 TJ |
1678 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
1679 | char *buf) \ | |
3de2a653 | 1680 | { \ |
ee959b00 | 1681 | struct Scsi_Host *shost = class_to_shost(dev);\ |
3de2a653 | 1682 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
84d1b006 | 1683 | uint val = 0;\ |
3de2a653 JS |
1684 | val = vport->cfg_##attr;\ |
1685 | return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_##attr);\ | |
1686 | } | |
1687 | ||
e59058c4 | 1688 | /** |
3621a710 | 1689 | * lpfc_vport_param_hex_show - Return hex formatted attribute value |
e59058c4 JS |
1690 | * |
1691 | * Description: | |
1692 | * Macro that given an attr e.g. | |
1693 | * hba_queue_depth expands into a function with the name | |
1694 | * lpfc_hba_queue_depth_show | |
1695 | * | |
3621a710 | 1696 | * lpfc_##attr##_show: prints the attribute value in hexadecimal. |
e59058c4 JS |
1697 | * @dev: class device that is converted into a Scsi_host. |
1698 | * @attr: device attribute, not used. | |
3621a710 | 1699 | * @buf: on return contains the attribute value in hexadecimal. |
e59058c4 JS |
1700 | * |
1701 | * Returns: length of formatted string. | |
1702 | **/ | |
3de2a653 JS |
1703 | #define lpfc_vport_param_hex_show(attr) \ |
1704 | static ssize_t \ | |
ee959b00 TJ |
1705 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
1706 | char *buf) \ | |
3de2a653 | 1707 | { \ |
ee959b00 | 1708 | struct Scsi_Host *shost = class_to_shost(dev);\ |
3de2a653 | 1709 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
84d1b006 | 1710 | uint val = 0;\ |
3de2a653 JS |
1711 | val = vport->cfg_##attr;\ |
1712 | return snprintf(buf, PAGE_SIZE, "%#x\n", vport->cfg_##attr);\ | |
1713 | } | |
1714 | ||
e59058c4 | 1715 | /** |
3621a710 | 1716 | * lpfc_vport_param_init - Initialize a vport cfg attribute |
e59058c4 JS |
1717 | * |
1718 | * Description: | |
1719 | * Macro that given an attr e.g. hba_queue_depth expands | |
1720 | * into a function with the name lpfc_hba_queue_depth_init. The macro also | |
1721 | * takes a default argument, a minimum and maximum argument. | |
1722 | * | |
1723 | * lpfc_##attr##_init: validates the min and max values then sets the | |
1724 | * adapter config field accordingly, or uses the default if out of range | |
1725 | * and prints an error message. | |
1726 | * @phba: pointer the the adapter structure. | |
1727 | * @val: integer attribute value. | |
1728 | * | |
1729 | * Returns: | |
1730 | * zero on success | |
1731 | * -EINVAL if default used | |
1732 | **/ | |
3de2a653 JS |
1733 | #define lpfc_vport_param_init(attr, default, minval, maxval) \ |
1734 | static int \ | |
84d1b006 | 1735 | lpfc_##attr##_init(struct lpfc_vport *vport, uint val) \ |
3de2a653 JS |
1736 | { \ |
1737 | if (val >= minval && val <= maxval) {\ | |
1738 | vport->cfg_##attr = val;\ | |
1739 | return 0;\ | |
1740 | }\ | |
e8b62011 | 1741 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \ |
d7c255b2 | 1742 | "0423 lpfc_"#attr" attribute cannot be set to %d, "\ |
e8b62011 | 1743 | "allowed range is ["#minval", "#maxval"]\n", val); \ |
3de2a653 JS |
1744 | vport->cfg_##attr = default;\ |
1745 | return -EINVAL;\ | |
1746 | } | |
1747 | ||
e59058c4 | 1748 | /** |
3621a710 | 1749 | * lpfc_vport_param_set - Set a vport cfg attribute |
e59058c4 JS |
1750 | * |
1751 | * Description: | |
1752 | * Macro that given an attr e.g. hba_queue_depth expands | |
1753 | * into a function with the name lpfc_hba_queue_depth_set | |
1754 | * | |
1755 | * lpfc_##attr##_set: validates the min and max values then sets the | |
1756 | * adapter config field if in the valid range. prints error message | |
1757 | * and does not set the parameter if invalid. | |
1758 | * @phba: pointer the the adapter structure. | |
1759 | * @val: integer attribute value. | |
1760 | * | |
1761 | * Returns: | |
1762 | * zero on success | |
1763 | * -EINVAL if val is invalid | |
1764 | **/ | |
3de2a653 JS |
1765 | #define lpfc_vport_param_set(attr, default, minval, maxval) \ |
1766 | static int \ | |
84d1b006 | 1767 | lpfc_##attr##_set(struct lpfc_vport *vport, uint val) \ |
3de2a653 JS |
1768 | { \ |
1769 | if (val >= minval && val <= maxval) {\ | |
88a2cfbb JS |
1770 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \ |
1771 | "3053 lpfc_" #attr " changed from %d to %d\n", \ | |
1772 | vport->cfg_##attr, val); \ | |
3de2a653 JS |
1773 | vport->cfg_##attr = val;\ |
1774 | return 0;\ | |
1775 | }\ | |
e8b62011 | 1776 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \ |
d7c255b2 | 1777 | "0424 lpfc_"#attr" attribute cannot be set to %d, "\ |
e8b62011 | 1778 | "allowed range is ["#minval", "#maxval"]\n", val); \ |
3de2a653 JS |
1779 | return -EINVAL;\ |
1780 | } | |
1781 | ||
e59058c4 | 1782 | /** |
3621a710 | 1783 | * lpfc_vport_param_store - Set a vport attribute |
e59058c4 JS |
1784 | * |
1785 | * Description: | |
1786 | * Macro that given an attr e.g. hba_queue_depth | |
1787 | * expands into a function with the name lpfc_hba_queue_depth_store | |
1788 | * | |
1789 | * lpfc_##attr##_store: convert the ascii text number to an integer, then | |
1790 | * use the lpfc_##attr##_set function to set the value. | |
1791 | * @cdev: class device that is converted into a Scsi_host. | |
1792 | * @buf: contains the attribute value in decimal. | |
1793 | * @count: not used. | |
1794 | * | |
1795 | * Returns: | |
1796 | * -EINVAL if val is invalid or lpfc_##attr##_set() fails | |
1797 | * length of buffer upon success. | |
1798 | **/ | |
3de2a653 JS |
1799 | #define lpfc_vport_param_store(attr) \ |
1800 | static ssize_t \ | |
ee959b00 TJ |
1801 | lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \ |
1802 | const char *buf, size_t count) \ | |
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 | if (!isdigit(buf[0]))\ |
1808 | return -EINVAL;\ | |
1809 | if (sscanf(buf, "%i", &val) != 1)\ | |
1810 | return -EINVAL;\ | |
1811 | if (lpfc_##attr##_set(vport, val) == 0) \ | |
1812 | return strlen(buf);\ | |
1813 | else \ | |
1814 | return -EINVAL;\ | |
1815 | } | |
1816 | ||
1817 | ||
7bcbb752 | 1818 | #define LPFC_ATTR(name, defval, minval, maxval, desc) \ |
84d1b006 | 1819 | static uint lpfc_##name = defval;\ |
ab56dc2e | 1820 | module_param(lpfc_##name, uint, S_IRUGO);\ |
dea3101e | 1821 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
7bcbb752 | 1822 | lpfc_param_init(name, defval, minval, maxval) |
dea3101e | 1823 | |
1824 | #define LPFC_ATTR_R(name, defval, minval, maxval, desc) \ | |
84d1b006 | 1825 | static uint lpfc_##name = defval;\ |
ab56dc2e | 1826 | module_param(lpfc_##name, uint, S_IRUGO);\ |
dea3101e | 1827 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1828 | lpfc_param_show(name)\ | |
7bcbb752 | 1829 | lpfc_param_init(name, defval, minval, maxval)\ |
ee959b00 | 1830 | static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
dea3101e | 1831 | |
1832 | #define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \ | |
84d1b006 | 1833 | static uint lpfc_##name = defval;\ |
ab56dc2e | 1834 | module_param(lpfc_##name, uint, S_IRUGO);\ |
dea3101e | 1835 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1836 | lpfc_param_show(name)\ | |
7bcbb752 JSEC |
1837 | lpfc_param_init(name, defval, minval, maxval)\ |
1838 | lpfc_param_set(name, defval, minval, maxval)\ | |
1839 | lpfc_param_store(name)\ | |
ee959b00 TJ |
1840 | static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
1841 | lpfc_##name##_show, lpfc_##name##_store) | |
dea3101e | 1842 | |
93a20f74 | 1843 | #define LPFC_ATTR_HEX_R(name, defval, minval, maxval, desc) \ |
84d1b006 | 1844 | static uint lpfc_##name = defval;\ |
ab56dc2e | 1845 | module_param(lpfc_##name, uint, S_IRUGO);\ |
93a20f74 JSEC |
1846 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1847 | lpfc_param_hex_show(name)\ | |
1848 | lpfc_param_init(name, defval, minval, maxval)\ | |
ee959b00 | 1849 | static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
93a20f74 JSEC |
1850 | |
1851 | #define LPFC_ATTR_HEX_RW(name, defval, minval, maxval, desc) \ | |
84d1b006 | 1852 | static uint lpfc_##name = defval;\ |
ab56dc2e | 1853 | module_param(lpfc_##name, uint, S_IRUGO);\ |
93a20f74 JSEC |
1854 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1855 | lpfc_param_hex_show(name)\ | |
1856 | lpfc_param_init(name, defval, minval, maxval)\ | |
1857 | lpfc_param_set(name, defval, minval, maxval)\ | |
1858 | lpfc_param_store(name)\ | |
ee959b00 TJ |
1859 | static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
1860 | lpfc_##name##_show, lpfc_##name##_store) | |
93a20f74 | 1861 | |
3de2a653 | 1862 | #define LPFC_VPORT_ATTR(name, defval, minval, maxval, desc) \ |
84d1b006 | 1863 | static uint lpfc_##name = defval;\ |
ab56dc2e | 1864 | module_param(lpfc_##name, uint, S_IRUGO);\ |
3de2a653 JS |
1865 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1866 | lpfc_vport_param_init(name, defval, minval, maxval) | |
1867 | ||
1868 | #define LPFC_VPORT_ATTR_R(name, defval, minval, maxval, desc) \ | |
84d1b006 | 1869 | static uint lpfc_##name = defval;\ |
ab56dc2e | 1870 | module_param(lpfc_##name, uint, S_IRUGO);\ |
3de2a653 JS |
1871 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1872 | lpfc_vport_param_show(name)\ | |
1873 | lpfc_vport_param_init(name, defval, minval, maxval)\ | |
ee959b00 | 1874 | static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
3de2a653 JS |
1875 | |
1876 | #define LPFC_VPORT_ATTR_RW(name, defval, minval, maxval, desc) \ | |
84d1b006 | 1877 | static uint lpfc_##name = defval;\ |
ab56dc2e | 1878 | module_param(lpfc_##name, uint, S_IRUGO);\ |
3de2a653 JS |
1879 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1880 | lpfc_vport_param_show(name)\ | |
1881 | lpfc_vport_param_init(name, defval, minval, maxval)\ | |
1882 | lpfc_vport_param_set(name, defval, minval, maxval)\ | |
1883 | lpfc_vport_param_store(name)\ | |
ee959b00 TJ |
1884 | static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
1885 | lpfc_##name##_show, lpfc_##name##_store) | |
3de2a653 JS |
1886 | |
1887 | #define LPFC_VPORT_ATTR_HEX_R(name, defval, minval, maxval, desc) \ | |
84d1b006 | 1888 | static uint lpfc_##name = defval;\ |
ab56dc2e | 1889 | module_param(lpfc_##name, uint, S_IRUGO);\ |
3de2a653 JS |
1890 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1891 | lpfc_vport_param_hex_show(name)\ | |
1892 | lpfc_vport_param_init(name, defval, minval, maxval)\ | |
ee959b00 | 1893 | static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
3de2a653 JS |
1894 | |
1895 | #define LPFC_VPORT_ATTR_HEX_RW(name, defval, minval, maxval, desc) \ | |
84d1b006 | 1896 | static uint lpfc_##name = defval;\ |
ab56dc2e | 1897 | module_param(lpfc_##name, uint, S_IRUGO);\ |
3de2a653 JS |
1898 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1899 | lpfc_vport_param_hex_show(name)\ | |
1900 | lpfc_vport_param_init(name, defval, minval, maxval)\ | |
1901 | lpfc_vport_param_set(name, defval, minval, maxval)\ | |
1902 | lpfc_vport_param_store(name)\ | |
ee959b00 TJ |
1903 | static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
1904 | lpfc_##name##_show, lpfc_##name##_store) | |
1905 | ||
81301a9b JS |
1906 | static DEVICE_ATTR(bg_info, S_IRUGO, lpfc_bg_info_show, NULL); |
1907 | static DEVICE_ATTR(bg_guard_err, S_IRUGO, lpfc_bg_guard_err_show, NULL); | |
1908 | static DEVICE_ATTR(bg_apptag_err, S_IRUGO, lpfc_bg_apptag_err_show, NULL); | |
1909 | static DEVICE_ATTR(bg_reftag_err, S_IRUGO, lpfc_bg_reftag_err_show, NULL); | |
ee959b00 TJ |
1910 | static DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL); |
1911 | static DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL); | |
1912 | static DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL); | |
1913 | static DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL); | |
1914 | static DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL); | |
1915 | static DEVICE_ATTR(portnum, S_IRUGO, lpfc_vportnum_show, NULL); | |
1916 | static DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL); | |
1917 | static DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL); | |
84d1b006 JS |
1918 | static DEVICE_ATTR(link_state, S_IRUGO | S_IWUSR, lpfc_link_state_show, |
1919 | lpfc_link_state_store); | |
ee959b00 TJ |
1920 | static DEVICE_ATTR(option_rom_version, S_IRUGO, |
1921 | lpfc_option_rom_version_show, NULL); | |
1922 | static DEVICE_ATTR(num_discovered_ports, S_IRUGO, | |
1923 | lpfc_num_discovered_ports_show, NULL); | |
84774a4d | 1924 | static DEVICE_ATTR(menlo_mgmt_mode, S_IRUGO, lpfc_mlomgmt_show, NULL); |
ee959b00 TJ |
1925 | static DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL); |
1926 | static DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show, NULL); | |
45ed1190 | 1927 | static DEVICE_ATTR(lpfc_enable_fip, S_IRUGO, lpfc_enable_fip_show, NULL); |
ee959b00 TJ |
1928 | static DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR, |
1929 | lpfc_board_mode_show, lpfc_board_mode_store); | |
1930 | static DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset); | |
1931 | static DEVICE_ATTR(max_vpi, S_IRUGO, lpfc_max_vpi_show, NULL); | |
1932 | static DEVICE_ATTR(used_vpi, S_IRUGO, lpfc_used_vpi_show, NULL); | |
1933 | static DEVICE_ATTR(max_rpi, S_IRUGO, lpfc_max_rpi_show, NULL); | |
1934 | static DEVICE_ATTR(used_rpi, S_IRUGO, lpfc_used_rpi_show, NULL); | |
1935 | static DEVICE_ATTR(max_xri, S_IRUGO, lpfc_max_xri_show, NULL); | |
1936 | static DEVICE_ATTR(used_xri, S_IRUGO, lpfc_used_xri_show, NULL); | |
1937 | static DEVICE_ATTR(npiv_info, S_IRUGO, lpfc_npiv_info_show, NULL); | |
1938 | static DEVICE_ATTR(lpfc_temp_sensor, S_IRUGO, lpfc_temp_sensor_show, NULL); | |
bc73905a JS |
1939 | static DEVICE_ATTR(lpfc_fips_level, S_IRUGO, lpfc_fips_level_show, NULL); |
1940 | static DEVICE_ATTR(lpfc_fips_rev, S_IRUGO, lpfc_fips_rev_show, NULL); | |
ab56dc2e | 1941 | static DEVICE_ATTR(lpfc_dss, S_IRUGO, lpfc_dss_show, NULL); |
912e3acd JS |
1942 | static DEVICE_ATTR(lpfc_sriov_hw_max_virtfn, S_IRUGO, |
1943 | lpfc_sriov_hw_max_virtfn_show, NULL); | |
c3f28afa | 1944 | |
a12e07bc | 1945 | static char *lpfc_soft_wwn_key = "C99G71SL8032A"; |
c3f28afa | 1946 | |
e59058c4 | 1947 | /** |
3621a710 | 1948 | * lpfc_soft_wwn_enable_store - Allows setting of the wwn if the key is valid |
e59058c4 JS |
1949 | * @dev: class device that is converted into a Scsi_host. |
1950 | * @attr: device attribute, not used. | |
1951 | * @buf: containing the string lpfc_soft_wwn_key. | |
1952 | * @count: must be size of lpfc_soft_wwn_key. | |
1953 | * | |
1954 | * Returns: | |
1955 | * -EINVAL if the buffer does not contain lpfc_soft_wwn_key | |
1956 | * length of buf indicates success | |
1957 | **/ | |
c3f28afa | 1958 | static ssize_t |
ee959b00 TJ |
1959 | lpfc_soft_wwn_enable_store(struct device *dev, struct device_attribute *attr, |
1960 | const char *buf, size_t count) | |
c3f28afa | 1961 | { |
ee959b00 | 1962 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1963 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1964 | struct lpfc_hba *phba = vport->phba; | |
c3f28afa JS |
1965 | unsigned int cnt = count; |
1966 | ||
1967 | /* | |
1968 | * We're doing a simple sanity check for soft_wwpn setting. | |
1969 | * We require that the user write a specific key to enable | |
1970 | * the soft_wwpn attribute to be settable. Once the attribute | |
1971 | * is written, the enable key resets. If further updates are | |
1972 | * desired, the key must be written again to re-enable the | |
1973 | * attribute. | |
1974 | * | |
1975 | * The "key" is not secret - it is a hardcoded string shown | |
1976 | * here. The intent is to protect against the random user or | |
1977 | * application that is just writing attributes. | |
1978 | */ | |
1979 | ||
1980 | /* count may include a LF at end of string */ | |
1981 | if (buf[cnt-1] == '\n') | |
1982 | cnt--; | |
1983 | ||
a12e07bc JS |
1984 | if ((cnt != strlen(lpfc_soft_wwn_key)) || |
1985 | (strncmp(buf, lpfc_soft_wwn_key, strlen(lpfc_soft_wwn_key)) != 0)) | |
c3f28afa JS |
1986 | return -EINVAL; |
1987 | ||
a12e07bc | 1988 | phba->soft_wwn_enable = 1; |
c3f28afa JS |
1989 | return count; |
1990 | } | |
ee959b00 TJ |
1991 | static DEVICE_ATTR(lpfc_soft_wwn_enable, S_IWUSR, NULL, |
1992 | lpfc_soft_wwn_enable_store); | |
c3f28afa | 1993 | |
e59058c4 | 1994 | /** |
3621a710 | 1995 | * lpfc_soft_wwpn_show - Return the cfg soft ww port name of the adapter |
e59058c4 JS |
1996 | * @dev: class device that is converted into a Scsi_host. |
1997 | * @attr: device attribute, not used. | |
3621a710 | 1998 | * @buf: on return contains the wwpn in hexadecimal. |
e59058c4 JS |
1999 | * |
2000 | * Returns: size of formatted string. | |
2001 | **/ | |
c3f28afa | 2002 | static ssize_t |
ee959b00 TJ |
2003 | lpfc_soft_wwpn_show(struct device *dev, struct device_attribute *attr, |
2004 | char *buf) | |
c3f28afa | 2005 | { |
ee959b00 | 2006 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
2007 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
2008 | struct lpfc_hba *phba = vport->phba; | |
2009 | ||
afc071e6 RD |
2010 | return snprintf(buf, PAGE_SIZE, "0x%llx\n", |
2011 | (unsigned long long)phba->cfg_soft_wwpn); | |
c3f28afa JS |
2012 | } |
2013 | ||
e59058c4 | 2014 | /** |
3621a710 | 2015 | * lpfc_soft_wwpn_store - Set the ww port name of the adapter |
e59058c4 JS |
2016 | * @dev class device that is converted into a Scsi_host. |
2017 | * @attr: device attribute, not used. | |
3621a710 | 2018 | * @buf: contains the wwpn in hexadecimal. |
e59058c4 JS |
2019 | * @count: number of wwpn bytes in buf |
2020 | * | |
2021 | * Returns: | |
2022 | * -EACCES hba reset not enabled, adapter over temp | |
2023 | * -EINVAL soft wwn not enabled, count is invalid, invalid wwpn byte invalid | |
2024 | * -EIO error taking adapter offline or online | |
2025 | * value of count on success | |
2026 | **/ | |
c3f28afa | 2027 | static ssize_t |
ee959b00 TJ |
2028 | lpfc_soft_wwpn_store(struct device *dev, struct device_attribute *attr, |
2029 | const char *buf, size_t count) | |
c3f28afa | 2030 | { |
ee959b00 | 2031 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
2032 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
2033 | struct lpfc_hba *phba = vport->phba; | |
c3f28afa JS |
2034 | struct completion online_compl; |
2035 | int stat1=0, stat2=0; | |
2036 | unsigned int i, j, cnt=count; | |
2037 | u8 wwpn[8]; | |
fedd3b7b | 2038 | int rc; |
c3f28afa | 2039 | |
13815c83 JS |
2040 | if (!phba->cfg_enable_hba_reset) |
2041 | return -EACCES; | |
7af67051 JS |
2042 | spin_lock_irq(&phba->hbalock); |
2043 | if (phba->over_temp_state == HBA_OVER_TEMP) { | |
2044 | spin_unlock_irq(&phba->hbalock); | |
09372820 | 2045 | return -EACCES; |
7af67051 JS |
2046 | } |
2047 | spin_unlock_irq(&phba->hbalock); | |
c3f28afa JS |
2048 | /* count may include a LF at end of string */ |
2049 | if (buf[cnt-1] == '\n') | |
2050 | cnt--; | |
2051 | ||
a12e07bc | 2052 | if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) || |
c3f28afa JS |
2053 | ((cnt == 17) && (*buf++ != 'x')) || |
2054 | ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x')))) | |
2055 | return -EINVAL; | |
2056 | ||
a12e07bc | 2057 | phba->soft_wwn_enable = 0; |
c3f28afa JS |
2058 | |
2059 | memset(wwpn, 0, sizeof(wwpn)); | |
2060 | ||
2061 | /* Validate and store the new name */ | |
2062 | for (i=0, j=0; i < 16; i++) { | |
ecc30990 AS |
2063 | int value; |
2064 | ||
2065 | value = hex_to_bin(*buf++); | |
2066 | if (value >= 0) | |
2067 | j = (j << 4) | value; | |
c3f28afa JS |
2068 | else |
2069 | return -EINVAL; | |
2070 | if (i % 2) { | |
2071 | wwpn[i/2] = j & 0xff; | |
2072 | j = 0; | |
2073 | } | |
2074 | } | |
2075 | phba->cfg_soft_wwpn = wwn_to_u64(wwpn); | |
2e0fef85 | 2076 | fc_host_port_name(shost) = phba->cfg_soft_wwpn; |
a12e07bc | 2077 | if (phba->cfg_soft_wwnn) |
2e0fef85 | 2078 | fc_host_node_name(shost) = phba->cfg_soft_wwnn; |
c3f28afa JS |
2079 | |
2080 | dev_printk(KERN_NOTICE, &phba->pcidev->dev, | |
2081 | "lpfc%d: Reinitializing to use soft_wwpn\n", phba->brd_no); | |
2082 | ||
46fa311e | 2083 | stat1 = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); |
c3f28afa JS |
2084 | if (stat1) |
2085 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
e8b62011 JS |
2086 | "0463 lpfc_soft_wwpn attribute set failed to " |
2087 | "reinit adapter - %d\n", stat1); | |
c3f28afa | 2088 | init_completion(&online_compl); |
fedd3b7b JS |
2089 | rc = lpfc_workq_post_event(phba, &stat2, &online_compl, |
2090 | LPFC_EVT_ONLINE); | |
2091 | if (rc == 0) | |
2092 | return -ENOMEM; | |
2093 | ||
c3f28afa JS |
2094 | wait_for_completion(&online_compl); |
2095 | if (stat2) | |
2096 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
e8b62011 JS |
2097 | "0464 lpfc_soft_wwpn attribute set failed to " |
2098 | "reinit adapter - %d\n", stat2); | |
c3f28afa JS |
2099 | return (stat1 || stat2) ? -EIO : count; |
2100 | } | |
ee959b00 TJ |
2101 | static DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR,\ |
2102 | lpfc_soft_wwpn_show, lpfc_soft_wwpn_store); | |
c3f28afa | 2103 | |
e59058c4 | 2104 | /** |
3621a710 | 2105 | * lpfc_soft_wwnn_show - Return the cfg soft ww node name for the adapter |
e59058c4 JS |
2106 | * @dev: class device that is converted into a Scsi_host. |
2107 | * @attr: device attribute, not used. | |
3621a710 | 2108 | * @buf: on return contains the wwnn in hexadecimal. |
e59058c4 JS |
2109 | * |
2110 | * Returns: size of formatted string. | |
2111 | **/ | |
a12e07bc | 2112 | static ssize_t |
ee959b00 TJ |
2113 | lpfc_soft_wwnn_show(struct device *dev, struct device_attribute *attr, |
2114 | char *buf) | |
a12e07bc | 2115 | { |
ee959b00 | 2116 | struct Scsi_Host *shost = class_to_shost(dev); |
51ef4c26 | 2117 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; |
a12e07bc JS |
2118 | return snprintf(buf, PAGE_SIZE, "0x%llx\n", |
2119 | (unsigned long long)phba->cfg_soft_wwnn); | |
2120 | } | |
2121 | ||
e59058c4 | 2122 | /** |
3621a710 | 2123 | * lpfc_soft_wwnn_store - sets the ww node name of the adapter |
e59058c4 | 2124 | * @cdev: class device that is converted into a Scsi_host. |
3621a710 | 2125 | * @buf: contains the ww node name in hexadecimal. |
e59058c4 JS |
2126 | * @count: number of wwnn bytes in buf. |
2127 | * | |
2128 | * Returns: | |
2129 | * -EINVAL soft wwn not enabled, count is invalid, invalid wwnn byte invalid | |
2130 | * value of count on success | |
2131 | **/ | |
a12e07bc | 2132 | static ssize_t |
ee959b00 TJ |
2133 | lpfc_soft_wwnn_store(struct device *dev, struct device_attribute *attr, |
2134 | const char *buf, size_t count) | |
a12e07bc | 2135 | { |
ee959b00 | 2136 | struct Scsi_Host *shost = class_to_shost(dev); |
51ef4c26 | 2137 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; |
a12e07bc JS |
2138 | unsigned int i, j, cnt=count; |
2139 | u8 wwnn[8]; | |
2140 | ||
2141 | /* count may include a LF at end of string */ | |
2142 | if (buf[cnt-1] == '\n') | |
2143 | cnt--; | |
2144 | ||
2145 | if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) || | |
2146 | ((cnt == 17) && (*buf++ != 'x')) || | |
2147 | ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x')))) | |
2148 | return -EINVAL; | |
2149 | ||
2150 | /* | |
2151 | * Allow wwnn to be set many times, as long as the enable is set. | |
2152 | * However, once the wwpn is set, everything locks. | |
2153 | */ | |
2154 | ||
2155 | memset(wwnn, 0, sizeof(wwnn)); | |
2156 | ||
2157 | /* Validate and store the new name */ | |
2158 | for (i=0, j=0; i < 16; i++) { | |
ecc30990 AS |
2159 | int value; |
2160 | ||
2161 | value = hex_to_bin(*buf++); | |
2162 | if (value >= 0) | |
2163 | j = (j << 4) | value; | |
a12e07bc JS |
2164 | else |
2165 | return -EINVAL; | |
2166 | if (i % 2) { | |
2167 | wwnn[i/2] = j & 0xff; | |
2168 | j = 0; | |
2169 | } | |
2170 | } | |
2171 | phba->cfg_soft_wwnn = wwn_to_u64(wwnn); | |
2172 | ||
2173 | dev_printk(KERN_NOTICE, &phba->pcidev->dev, | |
2174 | "lpfc%d: soft_wwnn set. Value will take effect upon " | |
2175 | "setting of the soft_wwpn\n", phba->brd_no); | |
2176 | ||
2177 | return count; | |
2178 | } | |
ee959b00 TJ |
2179 | static DEVICE_ATTR(lpfc_soft_wwnn, S_IRUGO | S_IWUSR,\ |
2180 | lpfc_soft_wwnn_show, lpfc_soft_wwnn_store); | |
a12e07bc | 2181 | |
c3f28afa | 2182 | |
875fbdfe | 2183 | static int lpfc_poll = 0; |
ab56dc2e | 2184 | module_param(lpfc_poll, int, S_IRUGO); |
875fbdfe JSEC |
2185 | MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:" |
2186 | " 0 - none," | |
2187 | " 1 - poll with interrupts enabled" | |
2188 | " 3 - poll and disable FCP ring interrupts"); | |
2189 | ||
ee959b00 TJ |
2190 | static DEVICE_ATTR(lpfc_poll, S_IRUGO | S_IWUSR, |
2191 | lpfc_poll_show, lpfc_poll_store); | |
dea3101e | 2192 | |
92d7f7b0 | 2193 | int lpfc_sli_mode = 0; |
ab56dc2e | 2194 | module_param(lpfc_sli_mode, int, S_IRUGO); |
92d7f7b0 JS |
2195 | MODULE_PARM_DESC(lpfc_sli_mode, "SLI mode selector:" |
2196 | " 0 - auto (SLI-3 if supported)," | |
2197 | " 2 - select SLI-2 even on SLI-3 capable HBAs," | |
2198 | " 3 - select SLI-3"); | |
2199 | ||
15672319 | 2200 | int lpfc_enable_npiv = 1; |
ab56dc2e | 2201 | module_param(lpfc_enable_npiv, int, S_IRUGO); |
7ee5d43e JS |
2202 | MODULE_PARM_DESC(lpfc_enable_npiv, "Enable NPIV functionality"); |
2203 | lpfc_param_show(enable_npiv); | |
4b40c59e | 2204 | lpfc_param_init(enable_npiv, 1, 0, 1); |
15672319 | 2205 | static DEVICE_ATTR(lpfc_enable_npiv, S_IRUGO, lpfc_enable_npiv_show, NULL); |
92d7f7b0 | 2206 | |
7d791df7 JS |
2207 | LPFC_ATTR_R(fcf_failover_policy, 1, 1, 2, |
2208 | "FCF Fast failover=1 Priority failover=2"); | |
2209 | ||
19ca7609 | 2210 | int lpfc_enable_rrq; |
ab56dc2e | 2211 | module_param(lpfc_enable_rrq, int, S_IRUGO); |
19ca7609 JS |
2212 | MODULE_PARM_DESC(lpfc_enable_rrq, "Enable RRQ functionality"); |
2213 | lpfc_param_show(enable_rrq); | |
2214 | lpfc_param_init(enable_rrq, 0, 0, 1); | |
2215 | static DEVICE_ATTR(lpfc_enable_rrq, S_IRUGO, lpfc_enable_rrq_show, NULL); | |
2216 | ||
84d1b006 JS |
2217 | /* |
2218 | # lpfc_suppress_link_up: Bring link up at initialization | |
2219 | # 0x0 = bring link up (issue MBX_INIT_LINK) | |
2220 | # 0x1 = do NOT bring link up at initialization(MBX_INIT_LINK) | |
2221 | # 0x2 = never bring up link | |
2222 | # Default value is 0. | |
2223 | */ | |
e40a02c1 JS |
2224 | LPFC_ATTR_R(suppress_link_up, LPFC_INITIALIZE_LINK, LPFC_INITIALIZE_LINK, |
2225 | LPFC_DELAY_INIT_LINK_INDEFINITELY, | |
2226 | "Suppress Link Up at initialization"); | |
2a9bf3d0 JS |
2227 | /* |
2228 | # lpfc_cnt: Number of IOCBs allocated for ELS, CT, and ABTS | |
2229 | # 1 - (1024) | |
2230 | # 2 - (2048) | |
2231 | # 3 - (3072) | |
2232 | # 4 - (4096) | |
2233 | # 5 - (5120) | |
2234 | */ | |
2235 | static ssize_t | |
2236 | lpfc_iocb_hw_show(struct device *dev, struct device_attribute *attr, char *buf) | |
2237 | { | |
2238 | struct Scsi_Host *shost = class_to_shost(dev); | |
2239 | struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba; | |
2240 | ||
2241 | return snprintf(buf, PAGE_SIZE, "%d\n", phba->iocb_max); | |
2242 | } | |
2243 | ||
2244 | static DEVICE_ATTR(iocb_hw, S_IRUGO, | |
2245 | lpfc_iocb_hw_show, NULL); | |
2246 | static ssize_t | |
2247 | lpfc_txq_hw_show(struct device *dev, struct device_attribute *attr, char *buf) | |
2248 | { | |
2249 | struct Scsi_Host *shost = class_to_shost(dev); | |
2250 | struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba; | |
2251 | ||
2252 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
2253 | phba->sli.ring[LPFC_ELS_RING].txq_max); | |
2254 | } | |
2255 | ||
2256 | static DEVICE_ATTR(txq_hw, S_IRUGO, | |
2257 | lpfc_txq_hw_show, NULL); | |
2258 | static ssize_t | |
2259 | lpfc_txcmplq_hw_show(struct device *dev, struct device_attribute *attr, | |
2260 | char *buf) | |
2261 | { | |
2262 | struct Scsi_Host *shost = class_to_shost(dev); | |
2263 | struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba; | |
2264 | ||
2265 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
2266 | phba->sli.ring[LPFC_ELS_RING].txcmplq_max); | |
2267 | } | |
2268 | ||
2269 | static DEVICE_ATTR(txcmplq_hw, S_IRUGO, | |
2270 | lpfc_txcmplq_hw_show, NULL); | |
2271 | ||
2272 | int lpfc_iocb_cnt = 2; | |
ab56dc2e | 2273 | module_param(lpfc_iocb_cnt, int, S_IRUGO); |
2a9bf3d0 JS |
2274 | MODULE_PARM_DESC(lpfc_iocb_cnt, |
2275 | "Number of IOCBs alloc for ELS, CT, and ABTS: 1k to 5k IOCBs"); | |
2276 | lpfc_param_show(iocb_cnt); | |
2277 | lpfc_param_init(iocb_cnt, 2, 1, 5); | |
2278 | static DEVICE_ATTR(lpfc_iocb_cnt, S_IRUGO, | |
2279 | lpfc_iocb_cnt_show, NULL); | |
84d1b006 | 2280 | |
c01f3208 JS |
2281 | /* |
2282 | # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear | |
2283 | # until the timer expires. Value range is [0,255]. Default value is 30. | |
2284 | */ | |
2285 | static int lpfc_nodev_tmo = LPFC_DEF_DEVLOSS_TMO; | |
2286 | static int lpfc_devloss_tmo = LPFC_DEF_DEVLOSS_TMO; | |
2287 | module_param(lpfc_nodev_tmo, int, 0); | |
2288 | MODULE_PARM_DESC(lpfc_nodev_tmo, | |
2289 | "Seconds driver will hold I/O waiting " | |
2290 | "for a device to come back"); | |
e59058c4 JS |
2291 | |
2292 | /** | |
3621a710 | 2293 | * lpfc_nodev_tmo_show - Return the hba dev loss timeout value |
e59058c4 JS |
2294 | * @dev: class converted to a Scsi_host structure. |
2295 | * @attr: device attribute, not used. | |
2296 | * @buf: on return contains the dev loss timeout in decimal. | |
2297 | * | |
2298 | * Returns: size of formatted string. | |
2299 | **/ | |
c01f3208 | 2300 | static ssize_t |
ee959b00 TJ |
2301 | lpfc_nodev_tmo_show(struct device *dev, struct device_attribute *attr, |
2302 | char *buf) | |
c01f3208 | 2303 | { |
ee959b00 | 2304 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 | 2305 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
e40a02c1 | 2306 | |
3de2a653 | 2307 | return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_devloss_tmo); |
c01f3208 JS |
2308 | } |
2309 | ||
e59058c4 | 2310 | /** |
3621a710 | 2311 | * lpfc_nodev_tmo_init - Set the hba nodev timeout value |
e59058c4 JS |
2312 | * @vport: lpfc vport structure pointer. |
2313 | * @val: contains the nodev timeout value. | |
2314 | * | |
2315 | * Description: | |
2316 | * If the devloss tmo is already set then nodev tmo is set to devloss tmo, | |
2317 | * a kernel error message is printed and zero is returned. | |
2318 | * Else if val is in range then nodev tmo and devloss tmo are set to val. | |
2319 | * Otherwise nodev tmo is set to the default value. | |
2320 | * | |
2321 | * Returns: | |
2322 | * zero if already set or if val is in range | |
2323 | * -EINVAL val out of range | |
2324 | **/ | |
c01f3208 | 2325 | static int |
3de2a653 JS |
2326 | lpfc_nodev_tmo_init(struct lpfc_vport *vport, int val) |
2327 | { | |
2328 | if (vport->cfg_devloss_tmo != LPFC_DEF_DEVLOSS_TMO) { | |
2329 | vport->cfg_nodev_tmo = vport->cfg_devloss_tmo; | |
2330 | if (val != LPFC_DEF_DEVLOSS_TMO) | |
e8b62011 | 2331 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 2332 | "0407 Ignoring nodev_tmo module " |
e8b62011 JS |
2333 | "parameter because devloss_tmo is " |
2334 | "set.\n"); | |
c01f3208 JS |
2335 | return 0; |
2336 | } | |
2337 | ||
2338 | if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { | |
3de2a653 JS |
2339 | vport->cfg_nodev_tmo = val; |
2340 | vport->cfg_devloss_tmo = val; | |
c01f3208 JS |
2341 | return 0; |
2342 | } | |
e8b62011 JS |
2343 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
2344 | "0400 lpfc_nodev_tmo attribute cannot be set to" | |
2345 | " %d, allowed range is [%d, %d]\n", | |
2346 | val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO); | |
3de2a653 | 2347 | vport->cfg_nodev_tmo = LPFC_DEF_DEVLOSS_TMO; |
c01f3208 JS |
2348 | return -EINVAL; |
2349 | } | |
2350 | ||
e59058c4 | 2351 | /** |
3621a710 | 2352 | * lpfc_update_rport_devloss_tmo - Update dev loss tmo value |
e59058c4 JS |
2353 | * @vport: lpfc vport structure pointer. |
2354 | * | |
2355 | * Description: | |
2356 | * Update all the ndlp's dev loss tmo with the vport devloss tmo value. | |
2357 | **/ | |
7054a606 | 2358 | static void |
3de2a653 | 2359 | lpfc_update_rport_devloss_tmo(struct lpfc_vport *vport) |
7054a606 | 2360 | { |
858c9f6c | 2361 | struct Scsi_Host *shost; |
7054a606 JS |
2362 | struct lpfc_nodelist *ndlp; |
2363 | ||
51ef4c26 JS |
2364 | shost = lpfc_shost_from_vport(vport); |
2365 | spin_lock_irq(shost->host_lock); | |
2366 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) | |
e47c9093 | 2367 | if (NLP_CHK_NODE_ACT(ndlp) && ndlp->rport) |
51ef4c26 JS |
2368 | ndlp->rport->dev_loss_tmo = vport->cfg_devloss_tmo; |
2369 | spin_unlock_irq(shost->host_lock); | |
7054a606 JS |
2370 | } |
2371 | ||
e59058c4 | 2372 | /** |
3621a710 | 2373 | * lpfc_nodev_tmo_set - Set the vport nodev tmo and devloss tmo values |
e59058c4 JS |
2374 | * @vport: lpfc vport structure pointer. |
2375 | * @val: contains the tmo value. | |
2376 | * | |
2377 | * Description: | |
2378 | * If the devloss tmo is already set or the vport dev loss tmo has changed | |
2379 | * then a kernel error message is printed and zero is returned. | |
2380 | * Else if val is in range then nodev tmo and devloss tmo are set to val. | |
2381 | * Otherwise nodev tmo is set to the default value. | |
2382 | * | |
2383 | * Returns: | |
2384 | * zero if already set or if val is in range | |
2385 | * -EINVAL val out of range | |
2386 | **/ | |
c01f3208 | 2387 | static int |
3de2a653 | 2388 | lpfc_nodev_tmo_set(struct lpfc_vport *vport, int val) |
c01f3208 | 2389 | { |
3de2a653 JS |
2390 | if (vport->dev_loss_tmo_changed || |
2391 | (lpfc_devloss_tmo != LPFC_DEF_DEVLOSS_TMO)) { | |
e8b62011 JS |
2392 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
2393 | "0401 Ignoring change to nodev_tmo " | |
2394 | "because devloss_tmo is set.\n"); | |
c01f3208 JS |
2395 | return 0; |
2396 | } | |
c01f3208 | 2397 | if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { |
3de2a653 JS |
2398 | vport->cfg_nodev_tmo = val; |
2399 | vport->cfg_devloss_tmo = val; | |
0af5d708 MC |
2400 | /* |
2401 | * For compat: set the fc_host dev loss so new rports | |
2402 | * will get the value. | |
2403 | */ | |
2404 | fc_host_dev_loss_tmo(lpfc_shost_from_vport(vport)) = val; | |
3de2a653 | 2405 | lpfc_update_rport_devloss_tmo(vport); |
c01f3208 JS |
2406 | return 0; |
2407 | } | |
e8b62011 JS |
2408 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
2409 | "0403 lpfc_nodev_tmo attribute cannot be set to" | |
2410 | "%d, allowed range is [%d, %d]\n", | |
2411 | val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO); | |
c01f3208 JS |
2412 | return -EINVAL; |
2413 | } | |
2414 | ||
3de2a653 | 2415 | lpfc_vport_param_store(nodev_tmo) |
c01f3208 | 2416 | |
ee959b00 TJ |
2417 | static DEVICE_ATTR(lpfc_nodev_tmo, S_IRUGO | S_IWUSR, |
2418 | lpfc_nodev_tmo_show, lpfc_nodev_tmo_store); | |
c01f3208 JS |
2419 | |
2420 | /* | |
2421 | # lpfc_devloss_tmo: If set, it will hold all I/O errors on devices that | |
2422 | # disappear until the timer expires. Value range is [0,255]. Default | |
2423 | # value is 30. | |
2424 | */ | |
ab56dc2e | 2425 | module_param(lpfc_devloss_tmo, int, S_IRUGO); |
c01f3208 JS |
2426 | MODULE_PARM_DESC(lpfc_devloss_tmo, |
2427 | "Seconds driver will hold I/O waiting " | |
2428 | "for a device to come back"); | |
3de2a653 JS |
2429 | lpfc_vport_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO, |
2430 | LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO) | |
2431 | lpfc_vport_param_show(devloss_tmo) | |
e59058c4 JS |
2432 | |
2433 | /** | |
3621a710 | 2434 | * lpfc_devloss_tmo_set - Sets vport nodev tmo, devloss tmo values, changed bit |
e59058c4 JS |
2435 | * @vport: lpfc vport structure pointer. |
2436 | * @val: contains the tmo value. | |
2437 | * | |
2438 | * Description: | |
2439 | * If val is in a valid range then set the vport nodev tmo, | |
2440 | * devloss tmo, also set the vport dev loss tmo changed flag. | |
2441 | * Else a kernel error message is printed. | |
2442 | * | |
2443 | * Returns: | |
2444 | * zero if val is in range | |
2445 | * -EINVAL val out of range | |
2446 | **/ | |
c01f3208 | 2447 | static int |
3de2a653 | 2448 | lpfc_devloss_tmo_set(struct lpfc_vport *vport, int val) |
c01f3208 JS |
2449 | { |
2450 | if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { | |
3de2a653 JS |
2451 | vport->cfg_nodev_tmo = val; |
2452 | vport->cfg_devloss_tmo = val; | |
2453 | vport->dev_loss_tmo_changed = 1; | |
0af5d708 | 2454 | fc_host_dev_loss_tmo(lpfc_shost_from_vport(vport)) = val; |
3de2a653 | 2455 | lpfc_update_rport_devloss_tmo(vport); |
c01f3208 JS |
2456 | return 0; |
2457 | } | |
2458 | ||
e8b62011 JS |
2459 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
2460 | "0404 lpfc_devloss_tmo attribute cannot be set to" | |
2461 | " %d, allowed range is [%d, %d]\n", | |
2462 | val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO); | |
c01f3208 JS |
2463 | return -EINVAL; |
2464 | } | |
2465 | ||
3de2a653 | 2466 | lpfc_vport_param_store(devloss_tmo) |
ee959b00 TJ |
2467 | static DEVICE_ATTR(lpfc_devloss_tmo, S_IRUGO | S_IWUSR, |
2468 | lpfc_devloss_tmo_show, lpfc_devloss_tmo_store); | |
c01f3208 | 2469 | |
dea3101e | 2470 | /* |
2471 | # lpfc_log_verbose: Only turn this flag on if you are willing to risk being | |
2472 | # deluged with LOTS of information. | |
2473 | # You can set a bit mask to record specific types of verbose messages: | |
f4b4c68f | 2474 | # See lpfc_logmsh.h for definitions. |
dea3101e | 2475 | */ |
f4b4c68f | 2476 | LPFC_VPORT_ATTR_HEX_RW(log_verbose, 0x0, 0x0, 0xffffffff, |
e8b62011 | 2477 | "Verbose logging bit-mask"); |
dea3101e | 2478 | |
7ee5d43e JS |
2479 | /* |
2480 | # lpfc_enable_da_id: This turns on the DA_ID CT command that deregisters | |
2481 | # objects that have been registered with the nameserver after login. | |
2482 | */ | |
2483 | LPFC_VPORT_ATTR_R(enable_da_id, 0, 0, 1, | |
2484 | "Deregister nameserver objects before LOGO"); | |
2485 | ||
dea3101e | 2486 | /* |
2487 | # lun_queue_depth: This parameter is used to limit the number of outstanding | |
2488 | # commands per FCP LUN. Value range is [1,128]. Default value is 30. | |
2489 | */ | |
3de2a653 JS |
2490 | LPFC_VPORT_ATTR_R(lun_queue_depth, 30, 1, 128, |
2491 | "Max number of FCP commands we can queue to a specific LUN"); | |
dea3101e | 2492 | |
7dc517df JS |
2493 | /* |
2494 | # tgt_queue_depth: This parameter is used to limit the number of outstanding | |
2495 | # commands per target port. Value range is [10,65535]. Default value is 65535. | |
2496 | */ | |
2497 | LPFC_VPORT_ATTR_R(tgt_queue_depth, 65535, 10, 65535, | |
2498 | "Max number of FCP commands we can queue to a specific target port"); | |
2499 | ||
b28485ac JW |
2500 | /* |
2501 | # hba_queue_depth: This parameter is used to limit the number of outstanding | |
2502 | # commands per lpfc HBA. Value range is [32,8192]. If this parameter | |
2503 | # value is greater than the maximum number of exchanges supported by the HBA, | |
2504 | # then maximum number of exchanges supported by the HBA is used to determine | |
2505 | # the hba_queue_depth. | |
2506 | */ | |
2507 | LPFC_ATTR_R(hba_queue_depth, 8192, 32, 8192, | |
2508 | "Max number of FCP commands we can queue to a lpfc HBA"); | |
2509 | ||
92d7f7b0 JS |
2510 | /* |
2511 | # peer_port_login: This parameter allows/prevents logins | |
2512 | # between peer ports hosted on the same physical port. | |
2513 | # When this parameter is set 0 peer ports of same physical port | |
2514 | # are not allowed to login to each other. | |
2515 | # When this parameter is set 1 peer ports of same physical port | |
2516 | # are allowed to login to each other. | |
2517 | # Default value of this parameter is 0. | |
2518 | */ | |
3de2a653 JS |
2519 | LPFC_VPORT_ATTR_R(peer_port_login, 0, 0, 1, |
2520 | "Allow peer ports on the same physical port to login to each " | |
2521 | "other."); | |
92d7f7b0 JS |
2522 | |
2523 | /* | |
3de2a653 | 2524 | # restrict_login: This parameter allows/prevents logins |
92d7f7b0 JS |
2525 | # between Virtual Ports and remote initiators. |
2526 | # When this parameter is not set (0) Virtual Ports will accept PLOGIs from | |
2527 | # other initiators and will attempt to PLOGI all remote ports. | |
2528 | # When this parameter is set (1) Virtual Ports will reject PLOGIs from | |
2529 | # remote ports and will not attempt to PLOGI to other initiators. | |
2530 | # This parameter does not restrict to the physical port. | |
2531 | # This parameter does not restrict logins to Fabric resident remote ports. | |
2532 | # Default value of this parameter is 1. | |
2533 | */ | |
3de2a653 | 2534 | static int lpfc_restrict_login = 1; |
ab56dc2e | 2535 | module_param(lpfc_restrict_login, int, S_IRUGO); |
3de2a653 JS |
2536 | MODULE_PARM_DESC(lpfc_restrict_login, |
2537 | "Restrict virtual ports login to remote initiators."); | |
2538 | lpfc_vport_param_show(restrict_login); | |
2539 | ||
e59058c4 | 2540 | /** |
3621a710 | 2541 | * lpfc_restrict_login_init - Set the vport restrict login flag |
e59058c4 JS |
2542 | * @vport: lpfc vport structure pointer. |
2543 | * @val: contains the restrict login value. | |
2544 | * | |
2545 | * Description: | |
2546 | * If val is not in a valid range then log a kernel error message and set | |
2547 | * the vport restrict login to one. | |
2548 | * If the port type is physical clear the restrict login flag and return. | |
2549 | * Else set the restrict login flag to val. | |
2550 | * | |
2551 | * Returns: | |
2552 | * zero if val is in range | |
2553 | * -EINVAL val out of range | |
2554 | **/ | |
3de2a653 JS |
2555 | static int |
2556 | lpfc_restrict_login_init(struct lpfc_vport *vport, int val) | |
2557 | { | |
2558 | if (val < 0 || val > 1) { | |
e8b62011 | 2559 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 2560 | "0422 lpfc_restrict_login attribute cannot " |
e8b62011 JS |
2561 | "be set to %d, allowed range is [0, 1]\n", |
2562 | val); | |
3de2a653 JS |
2563 | vport->cfg_restrict_login = 1; |
2564 | return -EINVAL; | |
2565 | } | |
2566 | if (vport->port_type == LPFC_PHYSICAL_PORT) { | |
2567 | vport->cfg_restrict_login = 0; | |
2568 | return 0; | |
2569 | } | |
2570 | vport->cfg_restrict_login = val; | |
2571 | return 0; | |
2572 | } | |
2573 | ||
e59058c4 | 2574 | /** |
3621a710 | 2575 | * lpfc_restrict_login_set - Set the vport restrict login flag |
e59058c4 JS |
2576 | * @vport: lpfc vport structure pointer. |
2577 | * @val: contains the restrict login value. | |
2578 | * | |
2579 | * Description: | |
2580 | * If val is not in a valid range then log a kernel error message and set | |
2581 | * the vport restrict login to one. | |
2582 | * If the port type is physical and the val is not zero log a kernel | |
2583 | * error message, clear the restrict login flag and return zero. | |
2584 | * Else set the restrict login flag to val. | |
2585 | * | |
2586 | * Returns: | |
2587 | * zero if val is in range | |
2588 | * -EINVAL val out of range | |
2589 | **/ | |
3de2a653 JS |
2590 | static int |
2591 | lpfc_restrict_login_set(struct lpfc_vport *vport, int val) | |
2592 | { | |
2593 | if (val < 0 || val > 1) { | |
e8b62011 | 2594 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 2595 | "0425 lpfc_restrict_login attribute cannot " |
e8b62011 JS |
2596 | "be set to %d, allowed range is [0, 1]\n", |
2597 | val); | |
3de2a653 JS |
2598 | vport->cfg_restrict_login = 1; |
2599 | return -EINVAL; | |
2600 | } | |
2601 | if (vport->port_type == LPFC_PHYSICAL_PORT && val != 0) { | |
e8b62011 JS |
2602 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
2603 | "0468 lpfc_restrict_login must be 0 for " | |
2604 | "Physical ports.\n"); | |
3de2a653 JS |
2605 | vport->cfg_restrict_login = 0; |
2606 | return 0; | |
2607 | } | |
2608 | vport->cfg_restrict_login = val; | |
2609 | return 0; | |
2610 | } | |
2611 | lpfc_vport_param_store(restrict_login); | |
ee959b00 TJ |
2612 | static DEVICE_ATTR(lpfc_restrict_login, S_IRUGO | S_IWUSR, |
2613 | lpfc_restrict_login_show, lpfc_restrict_login_store); | |
92d7f7b0 | 2614 | |
dea3101e | 2615 | /* |
2616 | # Some disk devices have a "select ID" or "select Target" capability. | |
2617 | # From a protocol standpoint "select ID" usually means select the | |
2618 | # Fibre channel "ALPA". In the FC-AL Profile there is an "informative | |
2619 | # annex" which contains a table that maps a "select ID" (a number | |
2620 | # between 0 and 7F) to an ALPA. By default, for compatibility with | |
2621 | # older drivers, the lpfc driver scans this table from low ALPA to high | |
2622 | # ALPA. | |
2623 | # | |
2624 | # Turning on the scan-down variable (on = 1, off = 0) will | |
2625 | # cause the lpfc driver to use an inverted table, effectively | |
2626 | # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1. | |
2627 | # | |
2628 | # (Note: This "select ID" functionality is a LOOP ONLY characteristic | |
2629 | # and will not work across a fabric. Also this parameter will take | |
2630 | # effect only in the case when ALPA map is not available.) | |
2631 | */ | |
3de2a653 JS |
2632 | LPFC_VPORT_ATTR_R(scan_down, 1, 0, 1, |
2633 | "Start scanning for devices from highest ALPA to lowest"); | |
dea3101e | 2634 | |
dea3101e | 2635 | /* |
2636 | # lpfc_topology: link topology for init link | |
2637 | # 0x0 = attempt loop mode then point-to-point | |
367c2713 | 2638 | # 0x01 = internal loopback mode |
dea3101e | 2639 | # 0x02 = attempt point-to-point mode only |
2640 | # 0x04 = attempt loop mode only | |
2641 | # 0x06 = attempt point-to-point mode then loop | |
2642 | # Set point-to-point mode if you want to run as an N_Port. | |
2643 | # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6]. | |
2644 | # Default value is 0. | |
2645 | */ | |
e59058c4 JS |
2646 | |
2647 | /** | |
3621a710 | 2648 | * lpfc_topology_set - Set the adapters topology field |
e59058c4 JS |
2649 | * @phba: lpfc_hba pointer. |
2650 | * @val: topology value. | |
2651 | * | |
2652 | * Description: | |
2653 | * If val is in a valid range then set the adapter's topology field and | |
2654 | * issue a lip; if the lip fails reset the topology to the old value. | |
2655 | * | |
2656 | * If the value is not in range log a kernel error message and return an error. | |
2657 | * | |
2658 | * Returns: | |
2659 | * zero if val is in range and lip okay | |
2660 | * non-zero return value from lpfc_issue_lip() | |
2661 | * -EINVAL val out of range | |
2662 | **/ | |
a257bf90 JS |
2663 | static ssize_t |
2664 | lpfc_topology_store(struct device *dev, struct device_attribute *attr, | |
2665 | const char *buf, size_t count) | |
83108bd3 | 2666 | { |
a257bf90 JS |
2667 | struct Scsi_Host *shost = class_to_shost(dev); |
2668 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2669 | struct lpfc_hba *phba = vport->phba; | |
2670 | int val = 0; | |
2671 | int nolip = 0; | |
2672 | const char *val_buf = buf; | |
83108bd3 JS |
2673 | int err; |
2674 | uint32_t prev_val; | |
a257bf90 JS |
2675 | |
2676 | if (!strncmp(buf, "nolip ", strlen("nolip "))) { | |
2677 | nolip = 1; | |
2678 | val_buf = &buf[strlen("nolip ")]; | |
2679 | } | |
2680 | ||
2681 | if (!isdigit(val_buf[0])) | |
2682 | return -EINVAL; | |
2683 | if (sscanf(val_buf, "%i", &val) != 1) | |
2684 | return -EINVAL; | |
2685 | ||
83108bd3 JS |
2686 | if (val >= 0 && val <= 6) { |
2687 | prev_val = phba->cfg_topology; | |
2688 | phba->cfg_topology = val; | |
a257bf90 JS |
2689 | if (nolip) |
2690 | return strlen(buf); | |
2691 | ||
88a2cfbb JS |
2692 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
2693 | "3054 lpfc_topology changed from %d to %d\n", | |
2694 | prev_val, val); | |
83108bd3 | 2695 | err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport)); |
a257bf90 | 2696 | if (err) { |
83108bd3 | 2697 | phba->cfg_topology = prev_val; |
a257bf90 JS |
2698 | return -EINVAL; |
2699 | } else | |
2700 | return strlen(buf); | |
83108bd3 JS |
2701 | } |
2702 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2703 | "%d:0467 lpfc_topology attribute cannot be set to %d, " | |
2704 | "allowed range is [0, 6]\n", | |
2705 | phba->brd_no, val); | |
2706 | return -EINVAL; | |
2707 | } | |
2708 | static int lpfc_topology = 0; | |
ab56dc2e | 2709 | module_param(lpfc_topology, int, S_IRUGO); |
83108bd3 JS |
2710 | MODULE_PARM_DESC(lpfc_topology, "Select Fibre Channel topology"); |
2711 | lpfc_param_show(topology) | |
2712 | lpfc_param_init(topology, 0, 0, 6) | |
ee959b00 | 2713 | static DEVICE_ATTR(lpfc_topology, S_IRUGO | S_IWUSR, |
83108bd3 | 2714 | lpfc_topology_show, lpfc_topology_store); |
dea3101e | 2715 | |
21e9a0a5 JS |
2716 | /** |
2717 | * lpfc_static_vport_show: Read callback function for | |
2718 | * lpfc_static_vport sysfs file. | |
2719 | * @dev: Pointer to class device object. | |
2720 | * @attr: device attribute structure. | |
2721 | * @buf: Data buffer. | |
2722 | * | |
2723 | * This function is the read call back function for | |
2724 | * lpfc_static_vport sysfs file. The lpfc_static_vport | |
2725 | * sysfs file report the mageability of the vport. | |
2726 | **/ | |
2727 | static ssize_t | |
2728 | lpfc_static_vport_show(struct device *dev, struct device_attribute *attr, | |
2729 | char *buf) | |
2730 | { | |
2731 | struct Scsi_Host *shost = class_to_shost(dev); | |
2732 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2733 | if (vport->vport_flag & STATIC_VPORT) | |
2734 | sprintf(buf, "1\n"); | |
2735 | else | |
2736 | sprintf(buf, "0\n"); | |
2737 | ||
2738 | return strlen(buf); | |
2739 | } | |
2740 | ||
2741 | /* | |
2742 | * Sysfs attribute to control the statistical data collection. | |
2743 | */ | |
2744 | static DEVICE_ATTR(lpfc_static_vport, S_IRUGO, | |
2745 | lpfc_static_vport_show, NULL); | |
ea2151b4 JS |
2746 | |
2747 | /** | |
3621a710 | 2748 | * lpfc_stat_data_ctrl_store - write call back for lpfc_stat_data_ctrl sysfs file |
ea2151b4 JS |
2749 | * @dev: Pointer to class device. |
2750 | * @buf: Data buffer. | |
2751 | * @count: Size of the data buffer. | |
2752 | * | |
2753 | * This function get called when an user write to the lpfc_stat_data_ctrl | |
2754 | * sysfs file. This function parse the command written to the sysfs file | |
2755 | * and take appropriate action. These commands are used for controlling | |
2756 | * driver statistical data collection. | |
2757 | * Following are the command this function handles. | |
2758 | * | |
2759 | * setbucket <bucket_type> <base> <step> | |
2760 | * = Set the latency buckets. | |
2761 | * destroybucket = destroy all the buckets. | |
2762 | * start = start data collection | |
2763 | * stop = stop data collection | |
2764 | * reset = reset the collected data | |
2765 | **/ | |
2766 | static ssize_t | |
2767 | lpfc_stat_data_ctrl_store(struct device *dev, struct device_attribute *attr, | |
2768 | const char *buf, size_t count) | |
2769 | { | |
2770 | struct Scsi_Host *shost = class_to_shost(dev); | |
2771 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2772 | struct lpfc_hba *phba = vport->phba; | |
2773 | #define LPFC_MAX_DATA_CTRL_LEN 1024 | |
2774 | static char bucket_data[LPFC_MAX_DATA_CTRL_LEN]; | |
2775 | unsigned long i; | |
2776 | char *str_ptr, *token; | |
2777 | struct lpfc_vport **vports; | |
2778 | struct Scsi_Host *v_shost; | |
2779 | char *bucket_type_str, *base_str, *step_str; | |
2780 | unsigned long base, step, bucket_type; | |
2781 | ||
2782 | if (!strncmp(buf, "setbucket", strlen("setbucket"))) { | |
a257bf90 | 2783 | if (strlen(buf) > (LPFC_MAX_DATA_CTRL_LEN - 1)) |
ea2151b4 JS |
2784 | return -EINVAL; |
2785 | ||
2786 | strcpy(bucket_data, buf); | |
2787 | str_ptr = &bucket_data[0]; | |
2788 | /* Ignore this token - this is command token */ | |
2789 | token = strsep(&str_ptr, "\t "); | |
2790 | if (!token) | |
2791 | return -EINVAL; | |
2792 | ||
2793 | bucket_type_str = strsep(&str_ptr, "\t "); | |
2794 | if (!bucket_type_str) | |
2795 | return -EINVAL; | |
2796 | ||
2797 | if (!strncmp(bucket_type_str, "linear", strlen("linear"))) | |
2798 | bucket_type = LPFC_LINEAR_BUCKET; | |
2799 | else if (!strncmp(bucket_type_str, "power2", strlen("power2"))) | |
2800 | bucket_type = LPFC_POWER2_BUCKET; | |
2801 | else | |
2802 | return -EINVAL; | |
2803 | ||
2804 | base_str = strsep(&str_ptr, "\t "); | |
2805 | if (!base_str) | |
2806 | return -EINVAL; | |
2807 | base = simple_strtoul(base_str, NULL, 0); | |
2808 | ||
2809 | step_str = strsep(&str_ptr, "\t "); | |
2810 | if (!step_str) | |
2811 | return -EINVAL; | |
2812 | step = simple_strtoul(step_str, NULL, 0); | |
2813 | if (!step) | |
2814 | return -EINVAL; | |
2815 | ||
2816 | /* Block the data collection for every vport */ | |
2817 | vports = lpfc_create_vport_work_array(phba); | |
2818 | if (vports == NULL) | |
2819 | return -ENOMEM; | |
2820 | ||
f4b4c68f | 2821 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
ea2151b4 JS |
2822 | v_shost = lpfc_shost_from_vport(vports[i]); |
2823 | spin_lock_irq(v_shost->host_lock); | |
2824 | /* Block and reset data collection */ | |
2825 | vports[i]->stat_data_blocked = 1; | |
2826 | if (vports[i]->stat_data_enabled) | |
2827 | lpfc_vport_reset_stat_data(vports[i]); | |
2828 | spin_unlock_irq(v_shost->host_lock); | |
2829 | } | |
2830 | ||
2831 | /* Set the bucket attributes */ | |
2832 | phba->bucket_type = bucket_type; | |
2833 | phba->bucket_base = base; | |
2834 | phba->bucket_step = step; | |
2835 | ||
f4b4c68f | 2836 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
ea2151b4 JS |
2837 | v_shost = lpfc_shost_from_vport(vports[i]); |
2838 | ||
2839 | /* Unblock data collection */ | |
2840 | spin_lock_irq(v_shost->host_lock); | |
2841 | vports[i]->stat_data_blocked = 0; | |
2842 | spin_unlock_irq(v_shost->host_lock); | |
2843 | } | |
2844 | lpfc_destroy_vport_work_array(phba, vports); | |
2845 | return strlen(buf); | |
2846 | } | |
2847 | ||
2848 | if (!strncmp(buf, "destroybucket", strlen("destroybucket"))) { | |
2849 | vports = lpfc_create_vport_work_array(phba); | |
2850 | if (vports == NULL) | |
2851 | return -ENOMEM; | |
2852 | ||
f4b4c68f | 2853 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
ea2151b4 JS |
2854 | v_shost = lpfc_shost_from_vport(vports[i]); |
2855 | spin_lock_irq(shost->host_lock); | |
2856 | vports[i]->stat_data_blocked = 1; | |
2857 | lpfc_free_bucket(vport); | |
2858 | vport->stat_data_enabled = 0; | |
2859 | vports[i]->stat_data_blocked = 0; | |
2860 | spin_unlock_irq(shost->host_lock); | |
2861 | } | |
2862 | lpfc_destroy_vport_work_array(phba, vports); | |
2863 | phba->bucket_type = LPFC_NO_BUCKET; | |
2864 | phba->bucket_base = 0; | |
2865 | phba->bucket_step = 0; | |
2866 | return strlen(buf); | |
2867 | } | |
2868 | ||
2869 | if (!strncmp(buf, "start", strlen("start"))) { | |
2870 | /* If no buckets configured return error */ | |
2871 | if (phba->bucket_type == LPFC_NO_BUCKET) | |
2872 | return -EINVAL; | |
2873 | spin_lock_irq(shost->host_lock); | |
2874 | if (vport->stat_data_enabled) { | |
2875 | spin_unlock_irq(shost->host_lock); | |
2876 | return strlen(buf); | |
2877 | } | |
2878 | lpfc_alloc_bucket(vport); | |
2879 | vport->stat_data_enabled = 1; | |
2880 | spin_unlock_irq(shost->host_lock); | |
2881 | return strlen(buf); | |
2882 | } | |
2883 | ||
2884 | if (!strncmp(buf, "stop", strlen("stop"))) { | |
2885 | spin_lock_irq(shost->host_lock); | |
2886 | if (vport->stat_data_enabled == 0) { | |
2887 | spin_unlock_irq(shost->host_lock); | |
2888 | return strlen(buf); | |
2889 | } | |
2890 | lpfc_free_bucket(vport); | |
2891 | vport->stat_data_enabled = 0; | |
2892 | spin_unlock_irq(shost->host_lock); | |
2893 | return strlen(buf); | |
2894 | } | |
2895 | ||
2896 | if (!strncmp(buf, "reset", strlen("reset"))) { | |
2897 | if ((phba->bucket_type == LPFC_NO_BUCKET) | |
2898 | || !vport->stat_data_enabled) | |
2899 | return strlen(buf); | |
2900 | spin_lock_irq(shost->host_lock); | |
2901 | vport->stat_data_blocked = 1; | |
2902 | lpfc_vport_reset_stat_data(vport); | |
2903 | vport->stat_data_blocked = 0; | |
2904 | spin_unlock_irq(shost->host_lock); | |
2905 | return strlen(buf); | |
2906 | } | |
2907 | return -EINVAL; | |
2908 | } | |
2909 | ||
2910 | ||
2911 | /** | |
3621a710 | 2912 | * lpfc_stat_data_ctrl_show - Read function for lpfc_stat_data_ctrl sysfs file |
ea2151b4 JS |
2913 | * @dev: Pointer to class device object. |
2914 | * @buf: Data buffer. | |
2915 | * | |
2916 | * This function is the read call back function for | |
2917 | * lpfc_stat_data_ctrl sysfs file. This function report the | |
2918 | * current statistical data collection state. | |
2919 | **/ | |
2920 | static ssize_t | |
2921 | lpfc_stat_data_ctrl_show(struct device *dev, struct device_attribute *attr, | |
2922 | char *buf) | |
2923 | { | |
2924 | struct Scsi_Host *shost = class_to_shost(dev); | |
2925 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2926 | struct lpfc_hba *phba = vport->phba; | |
2927 | int index = 0; | |
2928 | int i; | |
2929 | char *bucket_type; | |
2930 | unsigned long bucket_value; | |
2931 | ||
2932 | switch (phba->bucket_type) { | |
2933 | case LPFC_LINEAR_BUCKET: | |
2934 | bucket_type = "linear"; | |
2935 | break; | |
2936 | case LPFC_POWER2_BUCKET: | |
2937 | bucket_type = "power2"; | |
2938 | break; | |
2939 | default: | |
2940 | bucket_type = "No Bucket"; | |
2941 | break; | |
2942 | } | |
2943 | ||
2944 | sprintf(&buf[index], "Statistical Data enabled :%d, " | |
2945 | "blocked :%d, Bucket type :%s, Bucket base :%d," | |
2946 | " Bucket step :%d\nLatency Ranges :", | |
2947 | vport->stat_data_enabled, vport->stat_data_blocked, | |
2948 | bucket_type, phba->bucket_base, phba->bucket_step); | |
2949 | index = strlen(buf); | |
2950 | if (phba->bucket_type != LPFC_NO_BUCKET) { | |
2951 | for (i = 0; i < LPFC_MAX_BUCKET_COUNT; i++) { | |
2952 | if (phba->bucket_type == LPFC_LINEAR_BUCKET) | |
2953 | bucket_value = phba->bucket_base + | |
2954 | phba->bucket_step * i; | |
2955 | else | |
2956 | bucket_value = phba->bucket_base + | |
2957 | (1 << i) * phba->bucket_step; | |
2958 | ||
2959 | if (index + 10 > PAGE_SIZE) | |
2960 | break; | |
2961 | sprintf(&buf[index], "%08ld ", bucket_value); | |
2962 | index = strlen(buf); | |
2963 | } | |
2964 | } | |
2965 | sprintf(&buf[index], "\n"); | |
2966 | return strlen(buf); | |
2967 | } | |
2968 | ||
2969 | /* | |
2970 | * Sysfs attribute to control the statistical data collection. | |
2971 | */ | |
2972 | static DEVICE_ATTR(lpfc_stat_data_ctrl, S_IRUGO | S_IWUSR, | |
2973 | lpfc_stat_data_ctrl_show, lpfc_stat_data_ctrl_store); | |
2974 | ||
2975 | /* | |
2976 | * lpfc_drvr_stat_data: sysfs attr to get driver statistical data. | |
2977 | */ | |
2978 | ||
2979 | /* | |
2980 | * Each Bucket takes 11 characters and 1 new line + 17 bytes WWN | |
2981 | * for each target. | |
2982 | */ | |
2983 | #define STAT_DATA_SIZE_PER_TARGET(NUM_BUCKETS) ((NUM_BUCKETS) * 11 + 18) | |
2984 | #define MAX_STAT_DATA_SIZE_PER_TARGET \ | |
2985 | STAT_DATA_SIZE_PER_TARGET(LPFC_MAX_BUCKET_COUNT) | |
2986 | ||
2987 | ||
2988 | /** | |
3621a710 | 2989 | * sysfs_drvr_stat_data_read - Read function for lpfc_drvr_stat_data attribute |
2c3c8bea | 2990 | * @filp: sysfs file |
ea2151b4 JS |
2991 | * @kobj: Pointer to the kernel object |
2992 | * @bin_attr: Attribute object | |
2993 | * @buff: Buffer pointer | |
2994 | * @off: File offset | |
2995 | * @count: Buffer size | |
2996 | * | |
2997 | * This function is the read call back function for lpfc_drvr_stat_data | |
2998 | * sysfs file. This function export the statistical data to user | |
2999 | * applications. | |
3000 | **/ | |
3001 | static ssize_t | |
2c3c8bea CW |
3002 | sysfs_drvr_stat_data_read(struct file *filp, struct kobject *kobj, |
3003 | struct bin_attribute *bin_attr, | |
ea2151b4 JS |
3004 | char *buf, loff_t off, size_t count) |
3005 | { | |
3006 | struct device *dev = container_of(kobj, struct device, | |
3007 | kobj); | |
3008 | struct Scsi_Host *shost = class_to_shost(dev); | |
3009 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
3010 | struct lpfc_hba *phba = vport->phba; | |
3011 | int i = 0, index = 0; | |
3012 | unsigned long nport_index; | |
3013 | struct lpfc_nodelist *ndlp = NULL; | |
3014 | nport_index = (unsigned long)off / | |
3015 | MAX_STAT_DATA_SIZE_PER_TARGET; | |
3016 | ||
3017 | if (!vport->stat_data_enabled || vport->stat_data_blocked | |
3018 | || (phba->bucket_type == LPFC_NO_BUCKET)) | |
3019 | return 0; | |
3020 | ||
3021 | spin_lock_irq(shost->host_lock); | |
3022 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { | |
3023 | if (!NLP_CHK_NODE_ACT(ndlp) || !ndlp->lat_data) | |
3024 | continue; | |
3025 | ||
3026 | if (nport_index > 0) { | |
3027 | nport_index--; | |
3028 | continue; | |
3029 | } | |
3030 | ||
3031 | if ((index + MAX_STAT_DATA_SIZE_PER_TARGET) | |
3032 | > count) | |
3033 | break; | |
3034 | ||
3035 | if (!ndlp->lat_data) | |
3036 | continue; | |
3037 | ||
3038 | /* Print the WWN */ | |
3039 | sprintf(&buf[index], "%02x%02x%02x%02x%02x%02x%02x%02x:", | |
3040 | ndlp->nlp_portname.u.wwn[0], | |
3041 | ndlp->nlp_portname.u.wwn[1], | |
3042 | ndlp->nlp_portname.u.wwn[2], | |
3043 | ndlp->nlp_portname.u.wwn[3], | |
3044 | ndlp->nlp_portname.u.wwn[4], | |
3045 | ndlp->nlp_portname.u.wwn[5], | |
3046 | ndlp->nlp_portname.u.wwn[6], | |
3047 | ndlp->nlp_portname.u.wwn[7]); | |
3048 | ||
3049 | index = strlen(buf); | |
3050 | ||
3051 | for (i = 0; i < LPFC_MAX_BUCKET_COUNT; i++) { | |
3052 | sprintf(&buf[index], "%010u,", | |
3053 | ndlp->lat_data[i].cmd_count); | |
3054 | index = strlen(buf); | |
3055 | } | |
3056 | sprintf(&buf[index], "\n"); | |
3057 | index = strlen(buf); | |
3058 | } | |
3059 | spin_unlock_irq(shost->host_lock); | |
3060 | return index; | |
3061 | } | |
3062 | ||
3063 | static struct bin_attribute sysfs_drvr_stat_data_attr = { | |
3064 | .attr = { | |
3065 | .name = "lpfc_drvr_stat_data", | |
3066 | .mode = S_IRUSR, | |
ea2151b4 JS |
3067 | }, |
3068 | .size = LPFC_MAX_TARGET * MAX_STAT_DATA_SIZE_PER_TARGET, | |
3069 | .read = sysfs_drvr_stat_data_read, | |
3070 | .write = NULL, | |
3071 | }; | |
3072 | ||
dea3101e | 3073 | /* |
3074 | # lpfc_link_speed: Link speed selection for initializing the Fibre Channel | |
3075 | # connection. | |
76a95d75 | 3076 | # Value range is [0,16]. Default value is 0. |
dea3101e | 3077 | */ |
e59058c4 | 3078 | /** |
3621a710 | 3079 | * lpfc_link_speed_set - Set the adapters link speed |
e59058c4 JS |
3080 | * @phba: lpfc_hba pointer. |
3081 | * @val: link speed value. | |
3082 | * | |
3083 | * Description: | |
3084 | * If val is in a valid range then set the adapter's link speed field and | |
3085 | * issue a lip; if the lip fails reset the link speed to the old value. | |
3086 | * | |
3087 | * Notes: | |
3088 | * If the value is not in range log a kernel error message and return an error. | |
3089 | * | |
3090 | * Returns: | |
3091 | * zero if val is in range and lip okay. | |
3092 | * non-zero return value from lpfc_issue_lip() | |
3093 | * -EINVAL val out of range | |
3094 | **/ | |
a257bf90 JS |
3095 | static ssize_t |
3096 | lpfc_link_speed_store(struct device *dev, struct device_attribute *attr, | |
3097 | const char *buf, size_t count) | |
83108bd3 | 3098 | { |
a257bf90 JS |
3099 | struct Scsi_Host *shost = class_to_shost(dev); |
3100 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
3101 | struct lpfc_hba *phba = vport->phba; | |
76a95d75 | 3102 | int val = LPFC_USER_LINK_SPEED_AUTO; |
a257bf90 JS |
3103 | int nolip = 0; |
3104 | const char *val_buf = buf; | |
83108bd3 JS |
3105 | int err; |
3106 | uint32_t prev_val; | |
3107 | ||
a257bf90 JS |
3108 | if (!strncmp(buf, "nolip ", strlen("nolip "))) { |
3109 | nolip = 1; | |
3110 | val_buf = &buf[strlen("nolip ")]; | |
3111 | } | |
3112 | ||
3113 | if (!isdigit(val_buf[0])) | |
3114 | return -EINVAL; | |
3115 | if (sscanf(val_buf, "%i", &val) != 1) | |
3116 | return -EINVAL; | |
3117 | ||
88a2cfbb JS |
3118 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
3119 | "3055 lpfc_link_speed changed from %d to %d %s\n", | |
3120 | phba->cfg_link_speed, val, nolip ? "(nolip)" : "(lip)"); | |
3121 | ||
76a95d75 JS |
3122 | if (((val == LPFC_USER_LINK_SPEED_1G) && !(phba->lmt & LMT_1Gb)) || |
3123 | ((val == LPFC_USER_LINK_SPEED_2G) && !(phba->lmt & LMT_2Gb)) || | |
3124 | ((val == LPFC_USER_LINK_SPEED_4G) && !(phba->lmt & LMT_4Gb)) || | |
3125 | ((val == LPFC_USER_LINK_SPEED_8G) && !(phba->lmt & LMT_8Gb)) || | |
3126 | ((val == LPFC_USER_LINK_SPEED_10G) && !(phba->lmt & LMT_10Gb)) || | |
3127 | ((val == LPFC_USER_LINK_SPEED_16G) && !(phba->lmt & LMT_16Gb))) { | |
3128 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3129 | "2879 lpfc_link_speed attribute cannot be set " | |
3130 | "to %d. Speed is not supported by this port.\n", | |
3131 | val); | |
83108bd3 | 3132 | return -EINVAL; |
76a95d75 JS |
3133 | } |
3134 | if ((val >= 0) && (val <= LPFC_USER_LINK_SPEED_MAX) && | |
3135 | (LPFC_USER_LINK_SPEED_BITMAP & (1 << val))) { | |
83108bd3 JS |
3136 | prev_val = phba->cfg_link_speed; |
3137 | phba->cfg_link_speed = val; | |
a257bf90 JS |
3138 | if (nolip) |
3139 | return strlen(buf); | |
3140 | ||
83108bd3 | 3141 | err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport)); |
a257bf90 | 3142 | if (err) { |
83108bd3 | 3143 | phba->cfg_link_speed = prev_val; |
a257bf90 JS |
3144 | return -EINVAL; |
3145 | } else | |
3146 | return strlen(buf); | |
83108bd3 | 3147 | } |
83108bd3 | 3148 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
76a95d75 JS |
3149 | "0469 lpfc_link_speed attribute cannot be set to %d, " |
3150 | "allowed values are ["LPFC_LINK_SPEED_STRING"]\n", val); | |
83108bd3 JS |
3151 | return -EINVAL; |
3152 | } | |
3153 | ||
3154 | static int lpfc_link_speed = 0; | |
ab56dc2e | 3155 | module_param(lpfc_link_speed, int, S_IRUGO); |
83108bd3 JS |
3156 | MODULE_PARM_DESC(lpfc_link_speed, "Select link speed"); |
3157 | lpfc_param_show(link_speed) | |
e59058c4 JS |
3158 | |
3159 | /** | |
3621a710 | 3160 | * lpfc_link_speed_init - Set the adapters link speed |
e59058c4 JS |
3161 | * @phba: lpfc_hba pointer. |
3162 | * @val: link speed value. | |
3163 | * | |
3164 | * Description: | |
3165 | * If val is in a valid range then set the adapter's link speed field. | |
3166 | * | |
3167 | * Notes: | |
3168 | * If the value is not in range log a kernel error message, clear the link | |
3169 | * speed and return an error. | |
3170 | * | |
3171 | * Returns: | |
3172 | * zero if val saved. | |
3173 | * -EINVAL val out of range | |
3174 | **/ | |
83108bd3 JS |
3175 | static int |
3176 | lpfc_link_speed_init(struct lpfc_hba *phba, int val) | |
3177 | { | |
76a95d75 JS |
3178 | if ((val >= 0) && (val <= LPFC_USER_LINK_SPEED_MAX) && |
3179 | (LPFC_USER_LINK_SPEED_BITMAP & (1 << val))) { | |
83108bd3 JS |
3180 | phba->cfg_link_speed = val; |
3181 | return 0; | |
3182 | } | |
3183 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
d7c255b2 | 3184 | "0405 lpfc_link_speed attribute cannot " |
83108bd3 JS |
3185 | "be set to %d, allowed values are " |
3186 | "["LPFC_LINK_SPEED_STRING"]\n", val); | |
76a95d75 | 3187 | phba->cfg_link_speed = LPFC_USER_LINK_SPEED_AUTO; |
83108bd3 JS |
3188 | return -EINVAL; |
3189 | } | |
3190 | ||
ee959b00 | 3191 | static DEVICE_ATTR(lpfc_link_speed, S_IRUGO | S_IWUSR, |
76a95d75 | 3192 | lpfc_link_speed_show, lpfc_link_speed_store); |
dea3101e | 3193 | |
0d878419 JS |
3194 | /* |
3195 | # lpfc_aer_support: Support PCIe device Advanced Error Reporting (AER) | |
3196 | # 0 = aer disabled or not supported | |
3197 | # 1 = aer supported and enabled (default) | |
3198 | # Value range is [0,1]. Default value is 1. | |
3199 | */ | |
3200 | ||
3201 | /** | |
3202 | * lpfc_aer_support_store - Set the adapter for aer support | |
3203 | * | |
3204 | * @dev: class device that is converted into a Scsi_host. | |
3205 | * @attr: device attribute, not used. | |
912e3acd | 3206 | * @buf: containing enable or disable aer flag. |
0d878419 JS |
3207 | * @count: unused variable. |
3208 | * | |
3209 | * Description: | |
3210 | * If the val is 1 and currently the device's AER capability was not | |
3211 | * enabled, invoke the kernel's enable AER helper routine, trying to | |
3212 | * enable the device's AER capability. If the helper routine enabling | |
3213 | * AER returns success, update the device's cfg_aer_support flag to | |
3214 | * indicate AER is supported by the device; otherwise, if the device | |
3215 | * AER capability is already enabled to support AER, then do nothing. | |
3216 | * | |
3217 | * If the val is 0 and currently the device's AER support was enabled, | |
3218 | * invoke the kernel's disable AER helper routine. After that, update | |
3219 | * the device's cfg_aer_support flag to indicate AER is not supported | |
3220 | * by the device; otherwise, if the device AER capability is already | |
3221 | * disabled from supporting AER, then do nothing. | |
3222 | * | |
3223 | * Returns: | |
3224 | * length of the buf on success if val is in range the intended mode | |
3225 | * is supported. | |
3226 | * -EINVAL if val out of range or intended mode is not supported. | |
3227 | **/ | |
3228 | static ssize_t | |
3229 | lpfc_aer_support_store(struct device *dev, struct device_attribute *attr, | |
3230 | const char *buf, size_t count) | |
3231 | { | |
3232 | struct Scsi_Host *shost = class_to_shost(dev); | |
3233 | struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; | |
3234 | struct lpfc_hba *phba = vport->phba; | |
3235 | int val = 0, rc = -EINVAL; | |
3236 | ||
3237 | if (!isdigit(buf[0])) | |
3238 | return -EINVAL; | |
3239 | if (sscanf(buf, "%i", &val) != 1) | |
3240 | return -EINVAL; | |
3241 | ||
3242 | switch (val) { | |
3243 | case 0: | |
3244 | if (phba->hba_flag & HBA_AER_ENABLED) { | |
3245 | rc = pci_disable_pcie_error_reporting(phba->pcidev); | |
3246 | if (!rc) { | |
3247 | spin_lock_irq(&phba->hbalock); | |
3248 | phba->hba_flag &= ~HBA_AER_ENABLED; | |
3249 | spin_unlock_irq(&phba->hbalock); | |
3250 | phba->cfg_aer_support = 0; | |
3251 | rc = strlen(buf); | |
3252 | } else | |
891478a2 JS |
3253 | rc = -EPERM; |
3254 | } else { | |
0d878419 | 3255 | phba->cfg_aer_support = 0; |
891478a2 JS |
3256 | rc = strlen(buf); |
3257 | } | |
0d878419 JS |
3258 | break; |
3259 | case 1: | |
3260 | if (!(phba->hba_flag & HBA_AER_ENABLED)) { | |
3261 | rc = pci_enable_pcie_error_reporting(phba->pcidev); | |
3262 | if (!rc) { | |
3263 | spin_lock_irq(&phba->hbalock); | |
3264 | phba->hba_flag |= HBA_AER_ENABLED; | |
3265 | spin_unlock_irq(&phba->hbalock); | |
3266 | phba->cfg_aer_support = 1; | |
3267 | rc = strlen(buf); | |
3268 | } else | |
891478a2 JS |
3269 | rc = -EPERM; |
3270 | } else { | |
0d878419 | 3271 | phba->cfg_aer_support = 1; |
891478a2 JS |
3272 | rc = strlen(buf); |
3273 | } | |
0d878419 JS |
3274 | break; |
3275 | default: | |
3276 | rc = -EINVAL; | |
3277 | break; | |
3278 | } | |
3279 | return rc; | |
3280 | } | |
3281 | ||
3282 | static int lpfc_aer_support = 1; | |
ab56dc2e | 3283 | module_param(lpfc_aer_support, int, S_IRUGO); |
0d878419 JS |
3284 | MODULE_PARM_DESC(lpfc_aer_support, "Enable PCIe device AER support"); |
3285 | lpfc_param_show(aer_support) | |
3286 | ||
3287 | /** | |
3288 | * lpfc_aer_support_init - Set the initial adapters aer support flag | |
3289 | * @phba: lpfc_hba pointer. | |
912e3acd | 3290 | * @val: enable aer or disable aer flag. |
0d878419 JS |
3291 | * |
3292 | * Description: | |
3293 | * If val is in a valid range [0,1], then set the adapter's initial | |
3294 | * cfg_aer_support field. It will be up to the driver's probe_one | |
3295 | * routine to determine whether the device's AER support can be set | |
3296 | * or not. | |
3297 | * | |
3298 | * Notes: | |
3299 | * If the value is not in range log a kernel error message, and | |
3300 | * choose the default value of setting AER support and return. | |
3301 | * | |
3302 | * Returns: | |
3303 | * zero if val saved. | |
3304 | * -EINVAL val out of range | |
3305 | **/ | |
3306 | static int | |
3307 | lpfc_aer_support_init(struct lpfc_hba *phba, int val) | |
3308 | { | |
3309 | if (val == 0 || val == 1) { | |
3310 | phba->cfg_aer_support = val; | |
3311 | return 0; | |
3312 | } | |
3313 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3314 | "2712 lpfc_aer_support attribute value %d out " | |
3315 | "of range, allowed values are 0|1, setting it " | |
3316 | "to default value of 1\n", val); | |
891478a2 | 3317 | /* By default, try to enable AER on a device */ |
0d878419 JS |
3318 | phba->cfg_aer_support = 1; |
3319 | return -EINVAL; | |
3320 | } | |
3321 | ||
3322 | static DEVICE_ATTR(lpfc_aer_support, S_IRUGO | S_IWUSR, | |
3323 | lpfc_aer_support_show, lpfc_aer_support_store); | |
3324 | ||
3325 | /** | |
3326 | * lpfc_aer_cleanup_state - Clean up aer state to the aer enabled device | |
3327 | * @dev: class device that is converted into a Scsi_host. | |
3328 | * @attr: device attribute, not used. | |
912e3acd | 3329 | * @buf: containing flag 1 for aer cleanup state. |
0d878419 JS |
3330 | * @count: unused variable. |
3331 | * | |
3332 | * Description: | |
3333 | * If the @buf contains 1 and the device currently has the AER support | |
3334 | * enabled, then invokes the kernel AER helper routine | |
3335 | * pci_cleanup_aer_uncorrect_error_status to clean up the uncorrectable | |
3336 | * error status register. | |
3337 | * | |
3338 | * Notes: | |
3339 | * | |
3340 | * Returns: | |
3341 | * -EINVAL if the buf does not contain the 1 or the device is not currently | |
3342 | * enabled with the AER support. | |
3343 | **/ | |
3344 | static ssize_t | |
3345 | lpfc_aer_cleanup_state(struct device *dev, struct device_attribute *attr, | |
3346 | const char *buf, size_t count) | |
3347 | { | |
3348 | struct Scsi_Host *shost = class_to_shost(dev); | |
3349 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
3350 | struct lpfc_hba *phba = vport->phba; | |
3351 | int val, rc = -1; | |
3352 | ||
3353 | if (!isdigit(buf[0])) | |
3354 | return -EINVAL; | |
3355 | if (sscanf(buf, "%i", &val) != 1) | |
3356 | return -EINVAL; | |
891478a2 JS |
3357 | if (val != 1) |
3358 | return -EINVAL; | |
0d878419 | 3359 | |
891478a2 | 3360 | if (phba->hba_flag & HBA_AER_ENABLED) |
0d878419 JS |
3361 | rc = pci_cleanup_aer_uncorrect_error_status(phba->pcidev); |
3362 | ||
3363 | if (rc == 0) | |
3364 | return strlen(buf); | |
3365 | else | |
891478a2 | 3366 | return -EPERM; |
0d878419 JS |
3367 | } |
3368 | ||
3369 | static DEVICE_ATTR(lpfc_aer_state_cleanup, S_IWUSR, NULL, | |
3370 | lpfc_aer_cleanup_state); | |
3371 | ||
912e3acd JS |
3372 | /** |
3373 | * lpfc_sriov_nr_virtfn_store - Enable the adapter for sr-iov virtual functions | |
3374 | * | |
3375 | * @dev: class device that is converted into a Scsi_host. | |
3376 | * @attr: device attribute, not used. | |
3377 | * @buf: containing the string the number of vfs to be enabled. | |
3378 | * @count: unused variable. | |
3379 | * | |
3380 | * Description: | |
3381 | * When this api is called either through user sysfs, the driver shall | |
3382 | * try to enable or disable SR-IOV virtual functions according to the | |
3383 | * following: | |
3384 | * | |
3385 | * If zero virtual function has been enabled to the physical function, | |
3386 | * the driver shall invoke the pci enable virtual function api trying | |
3387 | * to enable the virtual functions. If the nr_vfn provided is greater | |
3388 | * than the maximum supported, the maximum virtual function number will | |
3389 | * be used for invoking the api; otherwise, the nr_vfn provided shall | |
3390 | * be used for invoking the api. If the api call returned success, the | |
3391 | * actual number of virtual functions enabled will be set to the driver | |
3392 | * cfg_sriov_nr_virtfn; otherwise, -EINVAL shall be returned and driver | |
3393 | * cfg_sriov_nr_virtfn remains zero. | |
3394 | * | |
3395 | * If none-zero virtual functions have already been enabled to the | |
3396 | * physical function, as reflected by the driver's cfg_sriov_nr_virtfn, | |
3397 | * -EINVAL will be returned and the driver does nothing; | |
3398 | * | |
3399 | * If the nr_vfn provided is zero and none-zero virtual functions have | |
3400 | * been enabled, as indicated by the driver's cfg_sriov_nr_virtfn, the | |
3401 | * disabling virtual function api shall be invoded to disable all the | |
3402 | * virtual functions and driver's cfg_sriov_nr_virtfn shall be set to | |
3403 | * zero. Otherwise, if zero virtual function has been enabled, do | |
3404 | * nothing. | |
3405 | * | |
3406 | * Returns: | |
3407 | * length of the buf on success if val is in range the intended mode | |
3408 | * is supported. | |
3409 | * -EINVAL if val out of range or intended mode is not supported. | |
3410 | **/ | |
3411 | static ssize_t | |
3412 | lpfc_sriov_nr_virtfn_store(struct device *dev, struct device_attribute *attr, | |
3413 | const char *buf, size_t count) | |
3414 | { | |
3415 | struct Scsi_Host *shost = class_to_shost(dev); | |
3416 | struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; | |
3417 | struct lpfc_hba *phba = vport->phba; | |
3418 | struct pci_dev *pdev = phba->pcidev; | |
3419 | int val = 0, rc = -EINVAL; | |
3420 | ||
3421 | /* Sanity check on user data */ | |
3422 | if (!isdigit(buf[0])) | |
3423 | return -EINVAL; | |
3424 | if (sscanf(buf, "%i", &val) != 1) | |
3425 | return -EINVAL; | |
3426 | if (val < 0) | |
3427 | return -EINVAL; | |
3428 | ||
3429 | /* Request disabling virtual functions */ | |
3430 | if (val == 0) { | |
3431 | if (phba->cfg_sriov_nr_virtfn > 0) { | |
3432 | pci_disable_sriov(pdev); | |
3433 | phba->cfg_sriov_nr_virtfn = 0; | |
3434 | } | |
3435 | return strlen(buf); | |
3436 | } | |
3437 | ||
3438 | /* Request enabling virtual functions */ | |
3439 | if (phba->cfg_sriov_nr_virtfn > 0) { | |
3440 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3441 | "3018 There are %d virtual functions " | |
3442 | "enabled on physical function.\n", | |
3443 | phba->cfg_sriov_nr_virtfn); | |
3444 | return -EEXIST; | |
3445 | } | |
3446 | ||
3447 | if (val <= LPFC_MAX_VFN_PER_PFN) | |
3448 | phba->cfg_sriov_nr_virtfn = val; | |
3449 | else { | |
3450 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3451 | "3019 Enabling %d virtual functions is not " | |
3452 | "allowed.\n", val); | |
3453 | return -EINVAL; | |
3454 | } | |
3455 | ||
3456 | rc = lpfc_sli_probe_sriov_nr_virtfn(phba, phba->cfg_sriov_nr_virtfn); | |
3457 | if (rc) { | |
3458 | phba->cfg_sriov_nr_virtfn = 0; | |
3459 | rc = -EPERM; | |
3460 | } else | |
3461 | rc = strlen(buf); | |
3462 | ||
3463 | return rc; | |
3464 | } | |
3465 | ||
3466 | static int lpfc_sriov_nr_virtfn = LPFC_DEF_VFN_PER_PFN; | |
3467 | module_param(lpfc_sriov_nr_virtfn, int, S_IRUGO|S_IWUSR); | |
3468 | MODULE_PARM_DESC(lpfc_sriov_nr_virtfn, "Enable PCIe device SR-IOV virtual fn"); | |
3469 | lpfc_param_show(sriov_nr_virtfn) | |
3470 | ||
3471 | /** | |
3472 | * lpfc_sriov_nr_virtfn_init - Set the initial sr-iov virtual function enable | |
3473 | * @phba: lpfc_hba pointer. | |
3474 | * @val: link speed value. | |
3475 | * | |
3476 | * Description: | |
3477 | * If val is in a valid range [0,255], then set the adapter's initial | |
3478 | * cfg_sriov_nr_virtfn field. If it's greater than the maximum, the maximum | |
3479 | * number shall be used instead. It will be up to the driver's probe_one | |
3480 | * routine to determine whether the device's SR-IOV is supported or not. | |
3481 | * | |
3482 | * Returns: | |
3483 | * zero if val saved. | |
3484 | * -EINVAL val out of range | |
3485 | **/ | |
3486 | static int | |
3487 | lpfc_sriov_nr_virtfn_init(struct lpfc_hba *phba, int val) | |
3488 | { | |
3489 | if (val >= 0 && val <= LPFC_MAX_VFN_PER_PFN) { | |
3490 | phba->cfg_sriov_nr_virtfn = val; | |
3491 | return 0; | |
3492 | } | |
3493 | ||
3494 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3495 | "3017 Enabling %d virtual functions is not " | |
3496 | "allowed.\n", val); | |
3497 | return -EINVAL; | |
3498 | } | |
3499 | static DEVICE_ATTR(lpfc_sriov_nr_virtfn, S_IRUGO | S_IWUSR, | |
3500 | lpfc_sriov_nr_virtfn_show, lpfc_sriov_nr_virtfn_store); | |
3501 | ||
dea3101e | 3502 | /* |
3503 | # lpfc_fcp_class: Determines FC class to use for the FCP protocol. | |
3504 | # Value range is [2,3]. Default value is 3. | |
3505 | */ | |
3de2a653 JS |
3506 | LPFC_VPORT_ATTR_R(fcp_class, 3, 2, 3, |
3507 | "Select Fibre Channel class of service for FCP sequences"); | |
dea3101e | 3508 | |
3509 | /* | |
3510 | # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range | |
3511 | # is [0,1]. Default value is 0. | |
3512 | */ | |
3de2a653 JS |
3513 | LPFC_VPORT_ATTR_RW(use_adisc, 0, 0, 1, |
3514 | "Use ADISC on rediscovery to authenticate FCP devices"); | |
dea3101e | 3515 | |
977b5a0a JS |
3516 | /* |
3517 | # lpfc_max_scsicmpl_time: Use scsi command completion time to control I/O queue | |
3518 | # depth. Default value is 0. When the value of this parameter is zero the | |
3519 | # SCSI command completion time is not used for controlling I/O queue depth. When | |
3520 | # the parameter is set to a non-zero value, the I/O queue depth is controlled | |
3521 | # to limit the I/O completion time to the parameter value. | |
3522 | # The value is set in milliseconds. | |
3523 | */ | |
3524 | static int lpfc_max_scsicmpl_time; | |
ab56dc2e | 3525 | module_param(lpfc_max_scsicmpl_time, int, S_IRUGO); |
977b5a0a JS |
3526 | MODULE_PARM_DESC(lpfc_max_scsicmpl_time, |
3527 | "Use command completion time to control queue depth"); | |
3528 | lpfc_vport_param_show(max_scsicmpl_time); | |
3529 | lpfc_vport_param_init(max_scsicmpl_time, 0, 0, 60000); | |
3530 | static int | |
3531 | lpfc_max_scsicmpl_time_set(struct lpfc_vport *vport, int val) | |
3532 | { | |
3533 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
3534 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
3535 | ||
3536 | if (val == vport->cfg_max_scsicmpl_time) | |
3537 | return 0; | |
3538 | if ((val < 0) || (val > 60000)) | |
3539 | return -EINVAL; | |
3540 | vport->cfg_max_scsicmpl_time = val; | |
3541 | ||
3542 | spin_lock_irq(shost->host_lock); | |
3543 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { | |
3544 | if (!NLP_CHK_NODE_ACT(ndlp)) | |
3545 | continue; | |
3546 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) | |
3547 | continue; | |
7dc517df | 3548 | ndlp->cmd_qdepth = vport->cfg_tgt_queue_depth; |
977b5a0a JS |
3549 | } |
3550 | spin_unlock_irq(shost->host_lock); | |
3551 | return 0; | |
3552 | } | |
3553 | lpfc_vport_param_store(max_scsicmpl_time); | |
3554 | static DEVICE_ATTR(lpfc_max_scsicmpl_time, S_IRUGO | S_IWUSR, | |
3555 | lpfc_max_scsicmpl_time_show, | |
3556 | lpfc_max_scsicmpl_time_store); | |
3557 | ||
dea3101e | 3558 | /* |
3559 | # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value | |
3560 | # range is [0,1]. Default value is 0. | |
3561 | */ | |
3562 | LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support"); | |
3563 | ||
3564 | /* | |
3565 | # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing | |
3566 | # cr_delay (msec) or cr_count outstanding commands. cr_delay can take | |
7054a606 | 3567 | # value [0,63]. cr_count can take value [1,255]. Default value of cr_delay |
dea3101e | 3568 | # is 0. Default value of cr_count is 1. The cr_count feature is disabled if |
3569 | # cr_delay is set to 0. | |
3570 | */ | |
8189fd19 | 3571 | LPFC_ATTR_RW(cr_delay, 0, 0, 63, "A count of milliseconds after which an " |
dea3101e | 3572 | "interrupt response is generated"); |
3573 | ||
8189fd19 | 3574 | LPFC_ATTR_RW(cr_count, 1, 1, 255, "A count of I/O completions after which an " |
dea3101e | 3575 | "interrupt response is generated"); |
3576 | ||
cf5bf97e JW |
3577 | /* |
3578 | # lpfc_multi_ring_support: Determines how many rings to spread available | |
3579 | # cmd/rsp IOCB entries across. | |
3580 | # Value range is [1,2]. Default value is 1. | |
3581 | */ | |
3582 | LPFC_ATTR_R(multi_ring_support, 1, 1, 2, "Determines number of primary " | |
3583 | "SLI rings to spread IOCB entries across"); | |
3584 | ||
a4bc3379 JS |
3585 | /* |
3586 | # lpfc_multi_ring_rctl: If lpfc_multi_ring_support is enabled, this | |
3587 | # identifies what rctl value to configure the additional ring for. | |
3588 | # Value range is [1,0xff]. Default value is 4 (Unsolicated Data). | |
3589 | */ | |
6a9c52cf | 3590 | LPFC_ATTR_R(multi_ring_rctl, FC_RCTL_DD_UNSOL_DATA, 1, |
a4bc3379 JS |
3591 | 255, "Identifies RCTL for additional ring configuration"); |
3592 | ||
3593 | /* | |
3594 | # lpfc_multi_ring_type: If lpfc_multi_ring_support is enabled, this | |
3595 | # identifies what type value to configure the additional ring for. | |
3596 | # Value range is [1,0xff]. Default value is 5 (LLC/SNAP). | |
3597 | */ | |
6a9c52cf | 3598 | LPFC_ATTR_R(multi_ring_type, FC_TYPE_IP, 1, |
a4bc3379 JS |
3599 | 255, "Identifies TYPE for additional ring configuration"); |
3600 | ||
dea3101e | 3601 | /* |
3602 | # lpfc_fdmi_on: controls FDMI support. | |
3603 | # 0 = no FDMI support | |
3604 | # 1 = support FDMI without attribute of hostname | |
3605 | # 2 = support FDMI with attribute of hostname | |
3606 | # Value range [0,2]. Default value is 0. | |
3607 | */ | |
3de2a653 | 3608 | LPFC_VPORT_ATTR_RW(fdmi_on, 0, 0, 2, "Enable FDMI support"); |
dea3101e | 3609 | |
3610 | /* | |
3611 | # Specifies the maximum number of ELS cmds we can have outstanding (for | |
3612 | # discovery). Value range is [1,64]. Default value = 32. | |
3613 | */ | |
3de2a653 | 3614 | LPFC_VPORT_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands " |
dea3101e | 3615 | "during discovery"); |
3616 | ||
3617 | /* | |
65a29c16 JS |
3618 | # lpfc_max_luns: maximum allowed LUN. |
3619 | # Value range is [0,65535]. Default value is 255. | |
3620 | # NOTE: The SCSI layer might probe all allowed LUN on some old targets. | |
dea3101e | 3621 | */ |
3de2a653 | 3622 | LPFC_VPORT_ATTR_R(max_luns, 255, 0, 65535, "Maximum allowed LUN"); |
dea3101e | 3623 | |
875fbdfe JSEC |
3624 | /* |
3625 | # lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring. | |
3626 | # Value range is [1,255], default value is 10. | |
3627 | */ | |
3628 | LPFC_ATTR_RW(poll_tmo, 10, 1, 255, | |
3629 | "Milliseconds driver will wait between polling FCP ring"); | |
3630 | ||
4ff43246 JS |
3631 | /* |
3632 | # lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that | |
3633 | # support this feature | |
8605c46c | 3634 | # 0 = MSI disabled |
4ff43246 | 3635 | # 1 = MSI enabled |
8605c46c GK |
3636 | # 2 = MSI-X enabled (default) |
3637 | # Value range is [0,2]. Default value is 2. | |
4ff43246 | 3638 | */ |
8605c46c | 3639 | LPFC_ATTR_R(use_msi, 2, 0, 2, "Use Message Signaled Interrupts (1) or " |
db2378e0 | 3640 | "MSI-X (2), if possible"); |
4ff43246 | 3641 | |
da0436e9 JS |
3642 | /* |
3643 | # lpfc_fcp_imax: Set the maximum number of fast-path FCP interrupts per second | |
3644 | # | |
3645 | # Value range is [636,651042]. Default value is 10000. | |
3646 | */ | |
3647 | LPFC_ATTR_R(fcp_imax, LPFC_FP_DEF_IMAX, LPFC_MIM_IMAX, LPFC_DMULT_CONST, | |
3648 | "Set the maximum number of fast-path FCP interrupts per second"); | |
3649 | ||
3650 | /* | |
3651 | # lpfc_fcp_wq_count: Set the number of fast-path FCP work queues | |
3652 | # | |
3653 | # Value range is [1,31]. Default value is 4. | |
3654 | */ | |
3655 | LPFC_ATTR_R(fcp_wq_count, LPFC_FP_WQN_DEF, LPFC_FP_WQN_MIN, LPFC_FP_WQN_MAX, | |
3656 | "Set the number of fast-path FCP work queues, if possible"); | |
3657 | ||
3658 | /* | |
3659 | # lpfc_fcp_eq_count: Set the number of fast-path FCP event queues | |
3660 | # | |
3661 | # Value range is [1,7]. Default value is 1. | |
3662 | */ | |
3663 | LPFC_ATTR_R(fcp_eq_count, LPFC_FP_EQN_DEF, LPFC_FP_EQN_MIN, LPFC_FP_EQN_MAX, | |
3664 | "Set the number of fast-path FCP event queues, if possible"); | |
3665 | ||
13815c83 JS |
3666 | /* |
3667 | # lpfc_enable_hba_reset: Allow or prevent HBA resets to the hardware. | |
3668 | # 0 = HBA resets disabled | |
3669 | # 1 = HBA resets enabled (default) | |
3670 | # Value range is [0,1]. Default value is 1. | |
3671 | */ | |
3672 | LPFC_ATTR_R(enable_hba_reset, 1, 0, 1, "Enable HBA resets from the driver."); | |
c3f28afa | 3673 | |
13815c83 | 3674 | /* |
eb7a339e | 3675 | # lpfc_enable_hba_heartbeat: Disable HBA heartbeat timer.. |
13815c83 JS |
3676 | # 0 = HBA Heartbeat disabled |
3677 | # 1 = HBA Heartbeat enabled (default) | |
3678 | # Value range is [0,1]. Default value is 1. | |
3679 | */ | |
eb7a339e | 3680 | LPFC_ATTR_R(enable_hba_heartbeat, 0, 0, 1, "Enable HBA Heartbeat."); |
92d7f7b0 | 3681 | |
81301a9b JS |
3682 | /* |
3683 | # lpfc_enable_bg: Enable BlockGuard (Emulex's Implementation of T10-DIF) | |
3684 | # 0 = BlockGuard disabled (default) | |
3685 | # 1 = BlockGuard enabled | |
3686 | # Value range is [0,1]. Default value is 0. | |
3687 | */ | |
3688 | LPFC_ATTR_R(enable_bg, 0, 0, 1, "Enable BlockGuard Support"); | |
3689 | ||
81301a9b JS |
3690 | /* |
3691 | # lpfc_prot_mask: i | |
3692 | # - Bit mask of host protection capabilities used to register with the | |
3693 | # SCSI mid-layer | |
3694 | # - Only meaningful if BG is turned on (lpfc_enable_bg=1). | |
3695 | # - Allows you to ultimately specify which profiles to use | |
3696 | # - Default will result in registering capabilities for all profiles. | |
3697 | # | |
3698 | */ | |
7c56b9fd JS |
3699 | unsigned int lpfc_prot_mask = SHOST_DIF_TYPE1_PROTECTION | |
3700 | SHOST_DIX_TYPE0_PROTECTION | | |
3701 | SHOST_DIX_TYPE1_PROTECTION; | |
81301a9b | 3702 | |
ab56dc2e | 3703 | module_param(lpfc_prot_mask, uint, S_IRUGO); |
81301a9b JS |
3704 | MODULE_PARM_DESC(lpfc_prot_mask, "host protection mask"); |
3705 | ||
3706 | /* | |
3707 | # lpfc_prot_guard: i | |
3708 | # - Bit mask of protection guard types to register with the SCSI mid-layer | |
3709 | # - Guard types are currently either 1) IP checksum 2) T10-DIF CRC | |
3710 | # - Allows you to ultimately specify which profiles to use | |
3711 | # - Default will result in registering capabilities for all guard types | |
3712 | # | |
3713 | */ | |
3714 | unsigned char lpfc_prot_guard = SHOST_DIX_GUARD_IP; | |
ab56dc2e | 3715 | module_param(lpfc_prot_guard, byte, S_IRUGO); |
81301a9b JS |
3716 | MODULE_PARM_DESC(lpfc_prot_guard, "host protection guard type"); |
3717 | ||
92494144 JS |
3718 | /* |
3719 | * Delay initial NPort discovery when Clean Address bit is cleared in | |
3720 | * FLOGI/FDISC accept and FCID/Fabric name/Fabric portname is changed. | |
3721 | * This parameter can have value 0 or 1. | |
3722 | * When this parameter is set to 0, no delay is added to the initial | |
3723 | * discovery. | |
3724 | * When this parameter is set to non-zero value, initial Nport discovery is | |
3725 | * delayed by ra_tov seconds when Clean Address bit is cleared in FLOGI/FDISC | |
3726 | * accept and FCID/Fabric name/Fabric portname is changed. | |
3727 | * Driver always delay Nport discovery for subsequent FLOGI/FDISC completion | |
3728 | * when Clean Address bit is cleared in FLOGI/FDISC | |
3729 | * accept and FCID/Fabric name/Fabric portname is changed. | |
3730 | * Default value is 0. | |
3731 | */ | |
3732 | int lpfc_delay_discovery; | |
ab56dc2e | 3733 | module_param(lpfc_delay_discovery, int, S_IRUGO); |
92494144 JS |
3734 | MODULE_PARM_DESC(lpfc_delay_discovery, |
3735 | "Delay NPort discovery when Clean Address bit is cleared. " | |
3736 | "Allowed values: 0,1."); | |
81301a9b | 3737 | |
83108bd3 | 3738 | /* |
3621a710 | 3739 | * lpfc_sg_seg_cnt - Initial Maximum DMA Segment Count |
83108bd3 JS |
3740 | * This value can be set to values between 64 and 256. The default value is |
3741 | * 64, but may be increased to allow for larger Max I/O sizes. The scsi layer | |
3742 | * will be allowed to request I/Os of sizes up to (MAX_SEG_COUNT * SEG_SIZE). | |
3743 | */ | |
3744 | LPFC_ATTR_R(sg_seg_cnt, LPFC_DEFAULT_SG_SEG_CNT, LPFC_DEFAULT_SG_SEG_CNT, | |
3745 | LPFC_MAX_SG_SEG_CNT, "Max Scatter Gather Segment Count"); | |
3746 | ||
81301a9b JS |
3747 | LPFC_ATTR_R(prot_sg_seg_cnt, LPFC_DEFAULT_PROT_SG_SEG_CNT, |
3748 | LPFC_DEFAULT_PROT_SG_SEG_CNT, LPFC_MAX_PROT_SG_SEG_CNT, | |
3749 | "Max Protection Scatter Gather Segment Count"); | |
3750 | ||
ee959b00 | 3751 | struct device_attribute *lpfc_hba_attrs[] = { |
81301a9b JS |
3752 | &dev_attr_bg_info, |
3753 | &dev_attr_bg_guard_err, | |
3754 | &dev_attr_bg_apptag_err, | |
3755 | &dev_attr_bg_reftag_err, | |
ee959b00 TJ |
3756 | &dev_attr_info, |
3757 | &dev_attr_serialnum, | |
3758 | &dev_attr_modeldesc, | |
3759 | &dev_attr_modelname, | |
3760 | &dev_attr_programtype, | |
3761 | &dev_attr_portnum, | |
3762 | &dev_attr_fwrev, | |
3763 | &dev_attr_hdw, | |
3764 | &dev_attr_option_rom_version, | |
bbd1ae41 | 3765 | &dev_attr_link_state, |
ee959b00 | 3766 | &dev_attr_num_discovered_ports, |
84774a4d | 3767 | &dev_attr_menlo_mgmt_mode, |
ee959b00 | 3768 | &dev_attr_lpfc_drvr_version, |
45ed1190 | 3769 | &dev_attr_lpfc_enable_fip, |
ee959b00 TJ |
3770 | &dev_attr_lpfc_temp_sensor, |
3771 | &dev_attr_lpfc_log_verbose, | |
3772 | &dev_attr_lpfc_lun_queue_depth, | |
7dc517df | 3773 | &dev_attr_lpfc_tgt_queue_depth, |
ee959b00 TJ |
3774 | &dev_attr_lpfc_hba_queue_depth, |
3775 | &dev_attr_lpfc_peer_port_login, | |
3776 | &dev_attr_lpfc_nodev_tmo, | |
3777 | &dev_attr_lpfc_devloss_tmo, | |
3778 | &dev_attr_lpfc_fcp_class, | |
3779 | &dev_attr_lpfc_use_adisc, | |
3780 | &dev_attr_lpfc_ack0, | |
3781 | &dev_attr_lpfc_topology, | |
3782 | &dev_attr_lpfc_scan_down, | |
3783 | &dev_attr_lpfc_link_speed, | |
3784 | &dev_attr_lpfc_cr_delay, | |
3785 | &dev_attr_lpfc_cr_count, | |
3786 | &dev_attr_lpfc_multi_ring_support, | |
3787 | &dev_attr_lpfc_multi_ring_rctl, | |
3788 | &dev_attr_lpfc_multi_ring_type, | |
3789 | &dev_attr_lpfc_fdmi_on, | |
3790 | &dev_attr_lpfc_max_luns, | |
3791 | &dev_attr_lpfc_enable_npiv, | |
7d791df7 | 3792 | &dev_attr_lpfc_fcf_failover_policy, |
19ca7609 | 3793 | &dev_attr_lpfc_enable_rrq, |
ee959b00 TJ |
3794 | &dev_attr_nport_evt_cnt, |
3795 | &dev_attr_board_mode, | |
3796 | &dev_attr_max_vpi, | |
3797 | &dev_attr_used_vpi, | |
3798 | &dev_attr_max_rpi, | |
3799 | &dev_attr_used_rpi, | |
3800 | &dev_attr_max_xri, | |
3801 | &dev_attr_used_xri, | |
3802 | &dev_attr_npiv_info, | |
3803 | &dev_attr_issue_reset, | |
3804 | &dev_attr_lpfc_poll, | |
3805 | &dev_attr_lpfc_poll_tmo, | |
3806 | &dev_attr_lpfc_use_msi, | |
da0436e9 JS |
3807 | &dev_attr_lpfc_fcp_imax, |
3808 | &dev_attr_lpfc_fcp_wq_count, | |
3809 | &dev_attr_lpfc_fcp_eq_count, | |
81301a9b | 3810 | &dev_attr_lpfc_enable_bg, |
ee959b00 TJ |
3811 | &dev_attr_lpfc_soft_wwnn, |
3812 | &dev_attr_lpfc_soft_wwpn, | |
3813 | &dev_attr_lpfc_soft_wwn_enable, | |
3814 | &dev_attr_lpfc_enable_hba_reset, | |
3815 | &dev_attr_lpfc_enable_hba_heartbeat, | |
3816 | &dev_attr_lpfc_sg_seg_cnt, | |
977b5a0a | 3817 | &dev_attr_lpfc_max_scsicmpl_time, |
ea2151b4 | 3818 | &dev_attr_lpfc_stat_data_ctrl, |
81301a9b | 3819 | &dev_attr_lpfc_prot_sg_seg_cnt, |
0d878419 JS |
3820 | &dev_attr_lpfc_aer_support, |
3821 | &dev_attr_lpfc_aer_state_cleanup, | |
912e3acd | 3822 | &dev_attr_lpfc_sriov_nr_virtfn, |
84d1b006 | 3823 | &dev_attr_lpfc_suppress_link_up, |
2a9bf3d0 JS |
3824 | &dev_attr_lpfc_iocb_cnt, |
3825 | &dev_attr_iocb_hw, | |
3826 | &dev_attr_txq_hw, | |
3827 | &dev_attr_txcmplq_hw, | |
bc73905a JS |
3828 | &dev_attr_lpfc_fips_level, |
3829 | &dev_attr_lpfc_fips_rev, | |
ab56dc2e | 3830 | &dev_attr_lpfc_dss, |
912e3acd | 3831 | &dev_attr_lpfc_sriov_hw_max_virtfn, |
dea3101e | 3832 | NULL, |
3833 | }; | |
3834 | ||
ee959b00 TJ |
3835 | struct device_attribute *lpfc_vport_attrs[] = { |
3836 | &dev_attr_info, | |
bbd1ae41 | 3837 | &dev_attr_link_state, |
ee959b00 TJ |
3838 | &dev_attr_num_discovered_ports, |
3839 | &dev_attr_lpfc_drvr_version, | |
3840 | &dev_attr_lpfc_log_verbose, | |
3841 | &dev_attr_lpfc_lun_queue_depth, | |
7dc517df | 3842 | &dev_attr_lpfc_tgt_queue_depth, |
ee959b00 TJ |
3843 | &dev_attr_lpfc_nodev_tmo, |
3844 | &dev_attr_lpfc_devloss_tmo, | |
3845 | &dev_attr_lpfc_hba_queue_depth, | |
3846 | &dev_attr_lpfc_peer_port_login, | |
3847 | &dev_attr_lpfc_restrict_login, | |
3848 | &dev_attr_lpfc_fcp_class, | |
3849 | &dev_attr_lpfc_use_adisc, | |
3850 | &dev_attr_lpfc_fdmi_on, | |
3851 | &dev_attr_lpfc_max_luns, | |
3852 | &dev_attr_nport_evt_cnt, | |
3853 | &dev_attr_npiv_info, | |
3854 | &dev_attr_lpfc_enable_da_id, | |
ea2151b4 JS |
3855 | &dev_attr_lpfc_max_scsicmpl_time, |
3856 | &dev_attr_lpfc_stat_data_ctrl, | |
21e9a0a5 | 3857 | &dev_attr_lpfc_static_vport, |
bc73905a JS |
3858 | &dev_attr_lpfc_fips_level, |
3859 | &dev_attr_lpfc_fips_rev, | |
3de2a653 JS |
3860 | NULL, |
3861 | }; | |
3862 | ||
e59058c4 | 3863 | /** |
3621a710 | 3864 | * sysfs_ctlreg_write - Write method for writing to ctlreg |
2c3c8bea | 3865 | * @filp: open sysfs file |
e59058c4 JS |
3866 | * @kobj: kernel kobject that contains the kernel class device. |
3867 | * @bin_attr: kernel attributes passed to us. | |
3868 | * @buf: contains the data to be written to the adapter IOREG space. | |
3869 | * @off: offset into buffer to beginning of data. | |
3870 | * @count: bytes to transfer. | |
3871 | * | |
3872 | * Description: | |
3873 | * Accessed via /sys/class/scsi_host/hostxxx/ctlreg. | |
3874 | * Uses the adapter io control registers to send buf contents to the adapter. | |
3875 | * | |
3876 | * Returns: | |
3877 | * -ERANGE off and count combo out of range | |
3878 | * -EINVAL off, count or buff address invalid | |
3879 | * -EPERM adapter is offline | |
3880 | * value of count, buf contents written | |
3881 | **/ | |
dea3101e | 3882 | static ssize_t |
2c3c8bea CW |
3883 | sysfs_ctlreg_write(struct file *filp, struct kobject *kobj, |
3884 | struct bin_attribute *bin_attr, | |
91a69029 | 3885 | char *buf, loff_t off, size_t count) |
dea3101e | 3886 | { |
3887 | size_t buf_off; | |
ee959b00 TJ |
3888 | struct device *dev = container_of(kobj, struct device, kobj); |
3889 | struct Scsi_Host *shost = class_to_shost(dev); | |
2e0fef85 JS |
3890 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3891 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 3892 | |
f1126688 JS |
3893 | if (phba->sli_rev >= LPFC_SLI_REV4) |
3894 | return -EPERM; | |
3895 | ||
dea3101e | 3896 | if ((off + count) > FF_REG_AREA_SIZE) |
3897 | return -ERANGE; | |
3898 | ||
f7a919b4 JS |
3899 | if (count <= LPFC_REG_WRITE_KEY_SIZE) |
3900 | return 0; | |
dea3101e | 3901 | |
3902 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
3903 | return -EINVAL; | |
3904 | ||
f7a919b4 JS |
3905 | /* This is to protect HBA registers from accidental writes. */ |
3906 | if (memcmp(buf, LPFC_REG_WRITE_KEY, LPFC_REG_WRITE_KEY_SIZE)) | |
3907 | return -EINVAL; | |
3908 | ||
3909 | if (!(vport->fc_flag & FC_OFFLINE_MODE)) | |
dea3101e | 3910 | return -EPERM; |
dea3101e | 3911 | |
2e0fef85 | 3912 | spin_lock_irq(&phba->hbalock); |
f7a919b4 JS |
3913 | for (buf_off = 0; buf_off < count - LPFC_REG_WRITE_KEY_SIZE; |
3914 | buf_off += sizeof(uint32_t)) | |
3915 | writel(*((uint32_t *)(buf + buf_off + LPFC_REG_WRITE_KEY_SIZE)), | |
dea3101e | 3916 | phba->ctrl_regs_memmap_p + off + buf_off); |
3917 | ||
2e0fef85 | 3918 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3919 | |
3920 | return count; | |
3921 | } | |
3922 | ||
e59058c4 | 3923 | /** |
3621a710 | 3924 | * sysfs_ctlreg_read - Read method for reading from ctlreg |
2c3c8bea | 3925 | * @filp: open sysfs file |
e59058c4 JS |
3926 | * @kobj: kernel kobject that contains the kernel class device. |
3927 | * @bin_attr: kernel attributes passed to us. | |
af901ca1 | 3928 | * @buf: if successful contains the data from the adapter IOREG space. |
e59058c4 JS |
3929 | * @off: offset into buffer to beginning of data. |
3930 | * @count: bytes to transfer. | |
3931 | * | |
3932 | * Description: | |
3933 | * Accessed via /sys/class/scsi_host/hostxxx/ctlreg. | |
3934 | * Uses the adapter io control registers to read data into buf. | |
3935 | * | |
3936 | * Returns: | |
3937 | * -ERANGE off and count combo out of range | |
3938 | * -EINVAL off, count or buff address invalid | |
3939 | * value of count, buf contents read | |
3940 | **/ | |
dea3101e | 3941 | static ssize_t |
2c3c8bea CW |
3942 | sysfs_ctlreg_read(struct file *filp, struct kobject *kobj, |
3943 | struct bin_attribute *bin_attr, | |
91a69029 | 3944 | char *buf, loff_t off, size_t count) |
dea3101e | 3945 | { |
3946 | size_t buf_off; | |
3947 | uint32_t * tmp_ptr; | |
ee959b00 TJ |
3948 | struct device *dev = container_of(kobj, struct device, kobj); |
3949 | struct Scsi_Host *shost = class_to_shost(dev); | |
2e0fef85 JS |
3950 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3951 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 3952 | |
f1126688 JS |
3953 | if (phba->sli_rev >= LPFC_SLI_REV4) |
3954 | return -EPERM; | |
3955 | ||
dea3101e | 3956 | if (off > FF_REG_AREA_SIZE) |
3957 | return -ERANGE; | |
3958 | ||
3959 | if ((off + count) > FF_REG_AREA_SIZE) | |
3960 | count = FF_REG_AREA_SIZE - off; | |
3961 | ||
3962 | if (count == 0) return 0; | |
3963 | ||
3964 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
3965 | return -EINVAL; | |
3966 | ||
2e0fef85 | 3967 | spin_lock_irq(&phba->hbalock); |
dea3101e | 3968 | |
3969 | for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) { | |
3970 | tmp_ptr = (uint32_t *)(buf + buf_off); | |
3971 | *tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off); | |
3972 | } | |
3973 | ||
2e0fef85 | 3974 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3975 | |
3976 | return count; | |
3977 | } | |
3978 | ||
3979 | static struct bin_attribute sysfs_ctlreg_attr = { | |
3980 | .attr = { | |
3981 | .name = "ctlreg", | |
3982 | .mode = S_IRUSR | S_IWUSR, | |
dea3101e | 3983 | }, |
3984 | .size = 256, | |
3985 | .read = sysfs_ctlreg_read, | |
3986 | .write = sysfs_ctlreg_write, | |
3987 | }; | |
3988 | ||
e59058c4 | 3989 | /** |
3621a710 | 3990 | * sysfs_mbox_idle - frees the sysfs mailbox |
e59058c4 JS |
3991 | * @phba: lpfc_hba pointer |
3992 | **/ | |
dea3101e | 3993 | static void |
2e0fef85 | 3994 | sysfs_mbox_idle(struct lpfc_hba *phba) |
dea3101e | 3995 | { |
3996 | phba->sysfs_mbox.state = SMBOX_IDLE; | |
3997 | phba->sysfs_mbox.offset = 0; | |
3998 | ||
3999 | if (phba->sysfs_mbox.mbox) { | |
4000 | mempool_free(phba->sysfs_mbox.mbox, | |
4001 | phba->mbox_mem_pool); | |
4002 | phba->sysfs_mbox.mbox = NULL; | |
4003 | } | |
4004 | } | |
4005 | ||
e59058c4 | 4006 | /** |
3621a710 | 4007 | * sysfs_mbox_write - Write method for writing information via mbox |
2c3c8bea | 4008 | * @filp: open sysfs file |
e59058c4 JS |
4009 | * @kobj: kernel kobject that contains the kernel class device. |
4010 | * @bin_attr: kernel attributes passed to us. | |
4011 | * @buf: contains the data to be written to sysfs mbox. | |
4012 | * @off: offset into buffer to beginning of data. | |
4013 | * @count: bytes to transfer. | |
4014 | * | |
4015 | * Description: | |
4016 | * Accessed via /sys/class/scsi_host/hostxxx/mbox. | |
4017 | * Uses the sysfs mbox to send buf contents to the adapter. | |
4018 | * | |
4019 | * Returns: | |
4020 | * -ERANGE off and count combo out of range | |
4021 | * -EINVAL off, count or buff address invalid | |
4022 | * zero if count is zero | |
4023 | * -EPERM adapter is offline | |
4024 | * -ENOMEM failed to allocate memory for the mail box | |
4025 | * -EAGAIN offset, state or mbox is NULL | |
4026 | * count number of bytes transferred | |
4027 | **/ | |
dea3101e | 4028 | static ssize_t |
2c3c8bea CW |
4029 | sysfs_mbox_write(struct file *filp, struct kobject *kobj, |
4030 | struct bin_attribute *bin_attr, | |
91a69029 | 4031 | char *buf, loff_t off, size_t count) |
dea3101e | 4032 | { |
ee959b00 TJ |
4033 | struct device *dev = container_of(kobj, struct device, kobj); |
4034 | struct Scsi_Host *shost = class_to_shost(dev); | |
2e0fef85 JS |
4035 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
4036 | struct lpfc_hba *phba = vport->phba; | |
4037 | struct lpfcMboxq *mbox = NULL; | |
dea3101e | 4038 | |
4039 | if ((count + off) > MAILBOX_CMD_SIZE) | |
4040 | return -ERANGE; | |
4041 | ||
4042 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
4043 | return -EINVAL; | |
4044 | ||
4045 | if (count == 0) | |
4046 | return 0; | |
4047 | ||
4048 | if (off == 0) { | |
4049 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
4050 | if (!mbox) | |
4051 | return -ENOMEM; | |
fc6c12bc | 4052 | memset(mbox, 0, sizeof (LPFC_MBOXQ_t)); |
dea3101e | 4053 | } |
4054 | ||
2e0fef85 | 4055 | spin_lock_irq(&phba->hbalock); |
dea3101e | 4056 | |
4057 | if (off == 0) { | |
4058 | if (phba->sysfs_mbox.mbox) | |
4059 | mempool_free(mbox, phba->mbox_mem_pool); | |
4060 | else | |
4061 | phba->sysfs_mbox.mbox = mbox; | |
4062 | phba->sysfs_mbox.state = SMBOX_WRITING; | |
4063 | } else { | |
4064 | if (phba->sysfs_mbox.state != SMBOX_WRITING || | |
4065 | phba->sysfs_mbox.offset != off || | |
92d7f7b0 | 4066 | phba->sysfs_mbox.mbox == NULL) { |
dea3101e | 4067 | sysfs_mbox_idle(phba); |
2e0fef85 | 4068 | spin_unlock_irq(&phba->hbalock); |
8f6d98d2 | 4069 | return -EAGAIN; |
dea3101e | 4070 | } |
4071 | } | |
4072 | ||
04c68496 | 4073 | memcpy((uint8_t *) &phba->sysfs_mbox.mbox->u.mb + off, |
dea3101e | 4074 | buf, count); |
4075 | ||
4076 | phba->sysfs_mbox.offset = off + count; | |
4077 | ||
2e0fef85 | 4078 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 4079 | |
4080 | return count; | |
4081 | } | |
4082 | ||
e59058c4 | 4083 | /** |
3621a710 | 4084 | * sysfs_mbox_read - Read method for reading information via mbox |
2c3c8bea | 4085 | * @filp: open sysfs file |
e59058c4 JS |
4086 | * @kobj: kernel kobject that contains the kernel class device. |
4087 | * @bin_attr: kernel attributes passed to us. | |
4088 | * @buf: contains the data to be read from sysfs mbox. | |
4089 | * @off: offset into buffer to beginning of data. | |
4090 | * @count: bytes to transfer. | |
4091 | * | |
4092 | * Description: | |
4093 | * Accessed via /sys/class/scsi_host/hostxxx/mbox. | |
4094 | * Uses the sysfs mbox to receive data from to the adapter. | |
4095 | * | |
4096 | * Returns: | |
4097 | * -ERANGE off greater than mailbox command size | |
4098 | * -EINVAL off, count or buff address invalid | |
4099 | * zero if off and count are zero | |
4100 | * -EACCES adapter over temp | |
4101 | * -EPERM garbage can value to catch a multitude of errors | |
4102 | * -EAGAIN management IO not permitted, state or off error | |
4103 | * -ETIME mailbox timeout | |
4104 | * -ENODEV mailbox error | |
4105 | * count number of bytes transferred | |
4106 | **/ | |
dea3101e | 4107 | static ssize_t |
2c3c8bea CW |
4108 | sysfs_mbox_read(struct file *filp, struct kobject *kobj, |
4109 | struct bin_attribute *bin_attr, | |
91a69029 | 4110 | char *buf, loff_t off, size_t count) |
dea3101e | 4111 | { |
ee959b00 TJ |
4112 | struct device *dev = container_of(kobj, struct device, kobj); |
4113 | struct Scsi_Host *shost = class_to_shost(dev); | |
2e0fef85 JS |
4114 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
4115 | struct lpfc_hba *phba = vport->phba; | |
a183a15f | 4116 | LPFC_MBOXQ_t *mboxq; |
04c68496 | 4117 | MAILBOX_t *pmb; |
a183a15f JS |
4118 | uint32_t mbox_tmo; |
4119 | int rc; | |
dea3101e | 4120 | |
1dcb58e5 | 4121 | if (off > MAILBOX_CMD_SIZE) |
dea3101e | 4122 | return -ERANGE; |
4123 | ||
1dcb58e5 JS |
4124 | if ((count + off) > MAILBOX_CMD_SIZE) |
4125 | count = MAILBOX_CMD_SIZE - off; | |
dea3101e | 4126 | |
4127 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
4128 | return -EINVAL; | |
4129 | ||
4130 | if (off && count == 0) | |
4131 | return 0; | |
4132 | ||
2e0fef85 | 4133 | spin_lock_irq(&phba->hbalock); |
dea3101e | 4134 | |
7af67051 JS |
4135 | if (phba->over_temp_state == HBA_OVER_TEMP) { |
4136 | sysfs_mbox_idle(phba); | |
4137 | spin_unlock_irq(&phba->hbalock); | |
09372820 | 4138 | return -EACCES; |
7af67051 JS |
4139 | } |
4140 | ||
dea3101e | 4141 | if (off == 0 && |
4142 | phba->sysfs_mbox.state == SMBOX_WRITING && | |
4143 | phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) { | |
a183a15f JS |
4144 | mboxq = (LPFC_MBOXQ_t *)&phba->sysfs_mbox.mbox; |
4145 | pmb = &mboxq->u.mb; | |
04c68496 | 4146 | switch (pmb->mbxCommand) { |
dea3101e | 4147 | /* Offline only */ |
dea3101e | 4148 | case MBX_INIT_LINK: |
4149 | case MBX_DOWN_LINK: | |
4150 | case MBX_CONFIG_LINK: | |
4151 | case MBX_CONFIG_RING: | |
4152 | case MBX_RESET_RING: | |
4153 | case MBX_UNREG_LOGIN: | |
4154 | case MBX_CLEAR_LA: | |
4155 | case MBX_DUMP_CONTEXT: | |
4156 | case MBX_RUN_DIAGS: | |
4157 | case MBX_RESTART: | |
dea3101e | 4158 | case MBX_SET_MASK: |
dea3101e | 4159 | case MBX_SET_DEBUG: |
2e0fef85 | 4160 | if (!(vport->fc_flag & FC_OFFLINE_MODE)) { |
dea3101e | 4161 | printk(KERN_WARNING "mbox_read:Command 0x%x " |
4162 | "is illegal in on-line state\n", | |
04c68496 | 4163 | pmb->mbxCommand); |
dea3101e | 4164 | sysfs_mbox_idle(phba); |
2e0fef85 | 4165 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 4166 | return -EPERM; |
4167 | } | |
a8adb832 JS |
4168 | case MBX_WRITE_NV: |
4169 | case MBX_WRITE_VPARMS: | |
dea3101e | 4170 | case MBX_LOAD_SM: |
4171 | case MBX_READ_NV: | |
4172 | case MBX_READ_CONFIG: | |
4173 | case MBX_READ_RCONFIG: | |
4174 | case MBX_READ_STATUS: | |
4175 | case MBX_READ_XRI: | |
4176 | case MBX_READ_REV: | |
4177 | case MBX_READ_LNK_STAT: | |
4178 | case MBX_DUMP_MEMORY: | |
4179 | case MBX_DOWN_LOAD: | |
4180 | case MBX_UPDATE_CFG: | |
41415862 | 4181 | case MBX_KILL_BOARD: |
dea3101e | 4182 | case MBX_LOAD_AREA: |
4183 | case MBX_LOAD_EXP_ROM: | |
41415862 JW |
4184 | case MBX_BEACON: |
4185 | case MBX_DEL_LD_ENTRY: | |
09372820 JS |
4186 | case MBX_SET_VARIABLE: |
4187 | case MBX_WRITE_WWN: | |
84774a4d JS |
4188 | case MBX_PORT_CAPABILITIES: |
4189 | case MBX_PORT_IOV_CONTROL: | |
dea3101e | 4190 | break; |
dcf2a4e0 JS |
4191 | case MBX_SECURITY_MGMT: |
4192 | case MBX_AUTH_PORT: | |
5989b8d4 JS |
4193 | if (phba->pci_dev_grp == LPFC_PCI_DEV_OC) { |
4194 | printk(KERN_WARNING "mbox_read:Command 0x%x " | |
4195 | "is not permitted\n", pmb->mbxCommand); | |
4196 | sysfs_mbox_idle(phba); | |
4197 | spin_unlock_irq(&phba->hbalock); | |
dcf2a4e0 | 4198 | return -EPERM; |
5989b8d4 | 4199 | } |
dcf2a4e0 | 4200 | break; |
dea3101e | 4201 | case MBX_READ_SPARM64: |
76a95d75 | 4202 | case MBX_READ_TOPOLOGY: |
dea3101e | 4203 | case MBX_REG_LOGIN: |
4204 | case MBX_REG_LOGIN64: | |
4205 | case MBX_CONFIG_PORT: | |
4206 | case MBX_RUN_BIU_DIAG: | |
4207 | printk(KERN_WARNING "mbox_read: Illegal Command 0x%x\n", | |
04c68496 | 4208 | pmb->mbxCommand); |
dea3101e | 4209 | sysfs_mbox_idle(phba); |
2e0fef85 | 4210 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 4211 | return -EPERM; |
4212 | default: | |
4213 | printk(KERN_WARNING "mbox_read: Unknown Command 0x%x\n", | |
04c68496 | 4214 | pmb->mbxCommand); |
dea3101e | 4215 | sysfs_mbox_idle(phba); |
2e0fef85 | 4216 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 4217 | return -EPERM; |
4218 | } | |
4219 | ||
09372820 | 4220 | /* If HBA encountered an error attention, allow only DUMP |
1b32f6aa | 4221 | * or RESTART mailbox commands until the HBA is restarted. |
09372820 | 4222 | */ |
d7c255b2 | 4223 | if (phba->pport->stopped && |
04c68496 JS |
4224 | pmb->mbxCommand != MBX_DUMP_MEMORY && |
4225 | pmb->mbxCommand != MBX_RESTART && | |
4226 | pmb->mbxCommand != MBX_WRITE_VPARMS && | |
4227 | pmb->mbxCommand != MBX_WRITE_WWN) | |
d7c255b2 JS |
4228 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, |
4229 | "1259 mbox: Issued mailbox cmd " | |
4230 | "0x%x while in stopped state.\n", | |
04c68496 | 4231 | pmb->mbxCommand); |
09372820 | 4232 | |
92d7f7b0 JS |
4233 | phba->sysfs_mbox.mbox->vport = vport; |
4234 | ||
58da1ffb JS |
4235 | /* Don't allow mailbox commands to be sent when blocked |
4236 | * or when in the middle of discovery | |
4237 | */ | |
495a714c | 4238 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) { |
46fa311e | 4239 | sysfs_mbox_idle(phba); |
2e0fef85 | 4240 | spin_unlock_irq(&phba->hbalock); |
46fa311e JS |
4241 | return -EAGAIN; |
4242 | } | |
4243 | ||
2e0fef85 | 4244 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
f4b4c68f | 4245 | (!(phba->sli.sli_flag & LPFC_SLI_ACTIVE))) { |
dea3101e | 4246 | |
2e0fef85 | 4247 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 4248 | rc = lpfc_sli_issue_mbox (phba, |
4249 | phba->sysfs_mbox.mbox, | |
4250 | MBX_POLL); | |
2e0fef85 | 4251 | spin_lock_irq(&phba->hbalock); |
dea3101e | 4252 | |
4253 | } else { | |
2e0fef85 | 4254 | spin_unlock_irq(&phba->hbalock); |
a183a15f JS |
4255 | mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq); |
4256 | rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo); | |
2e0fef85 | 4257 | spin_lock_irq(&phba->hbalock); |
dea3101e | 4258 | } |
4259 | ||
4260 | if (rc != MBX_SUCCESS) { | |
1dcb58e5 | 4261 | if (rc == MBX_TIMEOUT) { |
1dcb58e5 JS |
4262 | phba->sysfs_mbox.mbox = NULL; |
4263 | } | |
dea3101e | 4264 | sysfs_mbox_idle(phba); |
2e0fef85 | 4265 | spin_unlock_irq(&phba->hbalock); |
8f6d98d2 | 4266 | return (rc == MBX_TIMEOUT) ? -ETIME : -ENODEV; |
dea3101e | 4267 | } |
4268 | phba->sysfs_mbox.state = SMBOX_READING; | |
4269 | } | |
4270 | else if (phba->sysfs_mbox.offset != off || | |
4271 | phba->sysfs_mbox.state != SMBOX_READING) { | |
4272 | printk(KERN_WARNING "mbox_read: Bad State\n"); | |
4273 | sysfs_mbox_idle(phba); | |
2e0fef85 | 4274 | spin_unlock_irq(&phba->hbalock); |
8f6d98d2 | 4275 | return -EAGAIN; |
dea3101e | 4276 | } |
4277 | ||
04c68496 | 4278 | memcpy(buf, (uint8_t *) &pmb + off, count); |
dea3101e | 4279 | |
4280 | phba->sysfs_mbox.offset = off + count; | |
4281 | ||
1dcb58e5 | 4282 | if (phba->sysfs_mbox.offset == MAILBOX_CMD_SIZE) |
dea3101e | 4283 | sysfs_mbox_idle(phba); |
4284 | ||
2e0fef85 | 4285 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 4286 | |
4287 | return count; | |
4288 | } | |
4289 | ||
4290 | static struct bin_attribute sysfs_mbox_attr = { | |
4291 | .attr = { | |
4292 | .name = "mbox", | |
4293 | .mode = S_IRUSR | S_IWUSR, | |
dea3101e | 4294 | }, |
c0c11512 | 4295 | .size = MAILBOX_SYSFS_MAX, |
dea3101e | 4296 | .read = sysfs_mbox_read, |
4297 | .write = sysfs_mbox_write, | |
4298 | }; | |
4299 | ||
e59058c4 | 4300 | /** |
3621a710 | 4301 | * lpfc_alloc_sysfs_attr - Creates the ctlreg and mbox entries |
e59058c4 JS |
4302 | * @vport: address of lpfc vport structure. |
4303 | * | |
4304 | * Return codes: | |
4305 | * zero on success | |
4306 | * error return code from sysfs_create_bin_file() | |
4307 | **/ | |
dea3101e | 4308 | int |
2e0fef85 | 4309 | lpfc_alloc_sysfs_attr(struct lpfc_vport *vport) |
dea3101e | 4310 | { |
2e0fef85 | 4311 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 4312 | int error; |
4313 | ||
ee959b00 | 4314 | error = sysfs_create_bin_file(&shost->shost_dev.kobj, |
eada272d JS |
4315 | &sysfs_drvr_stat_data_attr); |
4316 | ||
4317 | /* Virtual ports do not need ctrl_reg and mbox */ | |
4318 | if (error || vport->port_type == LPFC_NPIV_PORT) | |
dea3101e | 4319 | goto out; |
4320 | ||
ee959b00 | 4321 | error = sysfs_create_bin_file(&shost->shost_dev.kobj, |
eada272d | 4322 | &sysfs_ctlreg_attr); |
dea3101e | 4323 | if (error) |
eada272d | 4324 | goto out_remove_stat_attr; |
dea3101e | 4325 | |
ea2151b4 | 4326 | error = sysfs_create_bin_file(&shost->shost_dev.kobj, |
eada272d | 4327 | &sysfs_mbox_attr); |
ea2151b4 | 4328 | if (error) |
eada272d | 4329 | goto out_remove_ctlreg_attr; |
ea2151b4 | 4330 | |
dea3101e | 4331 | return 0; |
4332 | out_remove_ctlreg_attr: | |
ee959b00 | 4333 | sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr); |
eada272d JS |
4334 | out_remove_stat_attr: |
4335 | sysfs_remove_bin_file(&shost->shost_dev.kobj, | |
4336 | &sysfs_drvr_stat_data_attr); | |
dea3101e | 4337 | out: |
4338 | return error; | |
4339 | } | |
4340 | ||
e59058c4 | 4341 | /** |
3621a710 | 4342 | * lpfc_free_sysfs_attr - Removes the ctlreg and mbox entries |
e59058c4 JS |
4343 | * @vport: address of lpfc vport structure. |
4344 | **/ | |
dea3101e | 4345 | void |
2e0fef85 | 4346 | lpfc_free_sysfs_attr(struct lpfc_vport *vport) |
dea3101e | 4347 | { |
2e0fef85 | 4348 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
ea2151b4 JS |
4349 | sysfs_remove_bin_file(&shost->shost_dev.kobj, |
4350 | &sysfs_drvr_stat_data_attr); | |
eada272d JS |
4351 | /* Virtual ports do not need ctrl_reg and mbox */ |
4352 | if (vport->port_type == LPFC_NPIV_PORT) | |
4353 | return; | |
ee959b00 TJ |
4354 | sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_mbox_attr); |
4355 | sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr); | |
dea3101e | 4356 | } |
4357 | ||
4358 | ||
4359 | /* | |
4360 | * Dynamic FC Host Attributes Support | |
4361 | */ | |
4362 | ||
e59058c4 | 4363 | /** |
3621a710 | 4364 | * lpfc_get_host_port_id - Copy the vport DID into the scsi host port id |
e59058c4 JS |
4365 | * @shost: kernel scsi host pointer. |
4366 | **/ | |
dea3101e | 4367 | static void |
4368 | lpfc_get_host_port_id(struct Scsi_Host *shost) | |
4369 | { | |
2e0fef85 JS |
4370 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
4371 | ||
dea3101e | 4372 | /* note: fc_myDID already in cpu endianness */ |
2e0fef85 | 4373 | fc_host_port_id(shost) = vport->fc_myDID; |
dea3101e | 4374 | } |
4375 | ||
e59058c4 | 4376 | /** |
3621a710 | 4377 | * lpfc_get_host_port_type - Set the value of the scsi host port type |
e59058c4 JS |
4378 | * @shost: kernel scsi host pointer. |
4379 | **/ | |
dea3101e | 4380 | static void |
4381 | lpfc_get_host_port_type(struct Scsi_Host *shost) | |
4382 | { | |
2e0fef85 JS |
4383 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
4384 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 4385 | |
4386 | spin_lock_irq(shost->host_lock); | |
4387 | ||
92d7f7b0 JS |
4388 | if (vport->port_type == LPFC_NPIV_PORT) { |
4389 | fc_host_port_type(shost) = FC_PORTTYPE_NPIV; | |
4390 | } else if (lpfc_is_link_up(phba)) { | |
76a95d75 | 4391 | if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { |
2e0fef85 | 4392 | if (vport->fc_flag & FC_PUBLIC_LOOP) |
dea3101e | 4393 | fc_host_port_type(shost) = FC_PORTTYPE_NLPORT; |
4394 | else | |
4395 | fc_host_port_type(shost) = FC_PORTTYPE_LPORT; | |
4396 | } else { | |
2e0fef85 | 4397 | if (vport->fc_flag & FC_FABRIC) |
dea3101e | 4398 | fc_host_port_type(shost) = FC_PORTTYPE_NPORT; |
4399 | else | |
4400 | fc_host_port_type(shost) = FC_PORTTYPE_PTP; | |
4401 | } | |
4402 | } else | |
4403 | fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN; | |
4404 | ||
4405 | spin_unlock_irq(shost->host_lock); | |
4406 | } | |
4407 | ||
e59058c4 | 4408 | /** |
3621a710 | 4409 | * lpfc_get_host_port_state - Set the value of the scsi host port state |
e59058c4 JS |
4410 | * @shost: kernel scsi host pointer. |
4411 | **/ | |
dea3101e | 4412 | static void |
4413 | lpfc_get_host_port_state(struct Scsi_Host *shost) | |
4414 | { | |
2e0fef85 JS |
4415 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
4416 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 4417 | |
4418 | spin_lock_irq(shost->host_lock); | |
4419 | ||
2e0fef85 | 4420 | if (vport->fc_flag & FC_OFFLINE_MODE) |
dea3101e | 4421 | fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE; |
4422 | else { | |
2e0fef85 JS |
4423 | switch (phba->link_state) { |
4424 | case LPFC_LINK_UNKNOWN: | |
dea3101e | 4425 | case LPFC_LINK_DOWN: |
4426 | fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN; | |
4427 | break; | |
4428 | case LPFC_LINK_UP: | |
dea3101e | 4429 | case LPFC_CLEAR_LA: |
4430 | case LPFC_HBA_READY: | |
4431 | /* Links up, beyond this port_type reports state */ | |
4432 | fc_host_port_state(shost) = FC_PORTSTATE_ONLINE; | |
4433 | break; | |
4434 | case LPFC_HBA_ERROR: | |
4435 | fc_host_port_state(shost) = FC_PORTSTATE_ERROR; | |
4436 | break; | |
4437 | default: | |
4438 | fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN; | |
4439 | break; | |
4440 | } | |
4441 | } | |
4442 | ||
4443 | spin_unlock_irq(shost->host_lock); | |
4444 | } | |
4445 | ||
e59058c4 | 4446 | /** |
3621a710 | 4447 | * lpfc_get_host_speed - Set the value of the scsi host speed |
e59058c4 JS |
4448 | * @shost: kernel scsi host pointer. |
4449 | **/ | |
dea3101e | 4450 | static void |
4451 | lpfc_get_host_speed(struct Scsi_Host *shost) | |
4452 | { | |
2e0fef85 JS |
4453 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
4454 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 4455 | |
4456 | spin_lock_irq(shost->host_lock); | |
4457 | ||
2e0fef85 | 4458 | if (lpfc_is_link_up(phba)) { |
dea3101e | 4459 | switch(phba->fc_linkspeed) { |
76a95d75 JS |
4460 | case LPFC_LINK_SPEED_1GHZ: |
4461 | fc_host_speed(shost) = FC_PORTSPEED_1GBIT; | |
dea3101e | 4462 | break; |
76a95d75 JS |
4463 | case LPFC_LINK_SPEED_2GHZ: |
4464 | fc_host_speed(shost) = FC_PORTSPEED_2GBIT; | |
dea3101e | 4465 | break; |
76a95d75 JS |
4466 | case LPFC_LINK_SPEED_4GHZ: |
4467 | fc_host_speed(shost) = FC_PORTSPEED_4GBIT; | |
dea3101e | 4468 | break; |
76a95d75 JS |
4469 | case LPFC_LINK_SPEED_8GHZ: |
4470 | fc_host_speed(shost) = FC_PORTSPEED_8GBIT; | |
b87eab38 | 4471 | break; |
76a95d75 JS |
4472 | case LPFC_LINK_SPEED_10GHZ: |
4473 | fc_host_speed(shost) = FC_PORTSPEED_10GBIT; | |
f4b4c68f | 4474 | break; |
76a95d75 JS |
4475 | case LPFC_LINK_SPEED_16GHZ: |
4476 | fc_host_speed(shost) = FC_PORTSPEED_16GBIT; | |
4477 | break; | |
4478 | default: | |
4479 | fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN; | |
dea3101e | 4480 | break; |
4481 | } | |
09372820 JS |
4482 | } else |
4483 | fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN; | |
dea3101e | 4484 | |
4485 | spin_unlock_irq(shost->host_lock); | |
4486 | } | |
4487 | ||
e59058c4 | 4488 | /** |
3621a710 | 4489 | * lpfc_get_host_fabric_name - Set the value of the scsi host fabric name |
e59058c4 JS |
4490 | * @shost: kernel scsi host pointer. |
4491 | **/ | |
dea3101e | 4492 | static void |
4493 | lpfc_get_host_fabric_name (struct Scsi_Host *shost) | |
4494 | { | |
2e0fef85 JS |
4495 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
4496 | struct lpfc_hba *phba = vport->phba; | |
f631b4be | 4497 | u64 node_name; |
dea3101e | 4498 | |
4499 | spin_lock_irq(shost->host_lock); | |
4500 | ||
73d91e50 JS |
4501 | if ((vport->port_state > LPFC_FLOGI) && |
4502 | ((vport->fc_flag & FC_FABRIC) || | |
4503 | ((phba->fc_topology == LPFC_TOPOLOGY_LOOP) && | |
4504 | (vport->fc_flag & FC_PUBLIC_LOOP)))) | |
68ce1eb5 | 4505 | node_name = wwn_to_u64(phba->fc_fabparam.nodeName.u.wwn); |
dea3101e | 4506 | else |
4507 | /* fabric is local port if there is no F/FL_Port */ | |
09372820 | 4508 | node_name = 0; |
dea3101e | 4509 | |
4510 | spin_unlock_irq(shost->host_lock); | |
4511 | ||
f631b4be | 4512 | fc_host_fabric_name(shost) = node_name; |
dea3101e | 4513 | } |
4514 | ||
e59058c4 | 4515 | /** |
3621a710 | 4516 | * lpfc_get_stats - Return statistical information about the adapter |
e59058c4 JS |
4517 | * @shost: kernel scsi host pointer. |
4518 | * | |
4519 | * Notes: | |
4520 | * NULL on error for link down, no mbox pool, sli2 active, | |
4521 | * management not allowed, memory allocation error, or mbox error. | |
4522 | * | |
4523 | * Returns: | |
4524 | * NULL for error | |
4525 | * address of the adapter host statistics | |
4526 | **/ | |
dea3101e | 4527 | static struct fc_host_statistics * |
4528 | lpfc_get_stats(struct Scsi_Host *shost) | |
4529 | { | |
2e0fef85 JS |
4530 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
4531 | struct lpfc_hba *phba = vport->phba; | |
4532 | struct lpfc_sli *psli = &phba->sli; | |
f888ba3c | 4533 | struct fc_host_statistics *hs = &phba->link_stats; |
64ba8818 | 4534 | struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets; |
dea3101e | 4535 | LPFC_MBOXQ_t *pmboxq; |
4536 | MAILBOX_t *pmb; | |
64ba8818 | 4537 | unsigned long seconds; |
433c3579 | 4538 | int rc = 0; |
dea3101e | 4539 | |
92d7f7b0 JS |
4540 | /* |
4541 | * prevent udev from issuing mailbox commands until the port is | |
4542 | * configured. | |
4543 | */ | |
2e0fef85 JS |
4544 | if (phba->link_state < LPFC_LINK_DOWN || |
4545 | !phba->mbox_mem_pool || | |
f4b4c68f | 4546 | (phba->sli.sli_flag & LPFC_SLI_ACTIVE) == 0) |
92d7f7b0 | 4547 | return NULL; |
2e0fef85 JS |
4548 | |
4549 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) | |
46fa311e JS |
4550 | return NULL; |
4551 | ||
dea3101e | 4552 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
4553 | if (!pmboxq) | |
4554 | return NULL; | |
4555 | memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); | |
4556 | ||
04c68496 | 4557 | pmb = &pmboxq->u.mb; |
dea3101e | 4558 | pmb->mbxCommand = MBX_READ_STATUS; |
4559 | pmb->mbxOwner = OWN_HOST; | |
4560 | pmboxq->context1 = NULL; | |
92d7f7b0 | 4561 | pmboxq->vport = vport; |
dea3101e | 4562 | |
75baf696 | 4563 | if (vport->fc_flag & FC_OFFLINE_MODE) |
dea3101e | 4564 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
433c3579 | 4565 | else |
dea3101e | 4566 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); |
4567 | ||
4568 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 4569 | if (rc != MBX_TIMEOUT) |
433c3579 | 4570 | mempool_free(pmboxq, phba->mbox_mem_pool); |
dea3101e | 4571 | return NULL; |
4572 | } | |
4573 | ||
f888ba3c JSEC |
4574 | memset(hs, 0, sizeof (struct fc_host_statistics)); |
4575 | ||
dea3101e | 4576 | hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt; |
73d91e50 JS |
4577 | /* |
4578 | * The MBX_READ_STATUS returns tx_k_bytes which has to | |
4579 | * converted to words | |
4580 | */ | |
4581 | hs->tx_words = (uint64_t) | |
4582 | ((uint64_t)pmb->un.varRdStatus.xmitByteCnt | |
4583 | * (uint64_t)256); | |
dea3101e | 4584 | hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt; |
73d91e50 JS |
4585 | hs->rx_words = (uint64_t) |
4586 | ((uint64_t)pmb->un.varRdStatus.rcvByteCnt | |
4587 | * (uint64_t)256); | |
dea3101e | 4588 | |
433c3579 | 4589 | memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); |
dea3101e | 4590 | pmb->mbxCommand = MBX_READ_LNK_STAT; |
4591 | pmb->mbxOwner = OWN_HOST; | |
4592 | pmboxq->context1 = NULL; | |
92d7f7b0 | 4593 | pmboxq->vport = vport; |
dea3101e | 4594 | |
75baf696 | 4595 | if (vport->fc_flag & FC_OFFLINE_MODE) |
dea3101e | 4596 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
433c3579 | 4597 | else |
dea3101e | 4598 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); |
4599 | ||
4600 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 4601 | if (rc != MBX_TIMEOUT) |
92d7f7b0 | 4602 | mempool_free(pmboxq, phba->mbox_mem_pool); |
dea3101e | 4603 | return NULL; |
4604 | } | |
4605 | ||
4606 | hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt; | |
4607 | hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt; | |
4608 | hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt; | |
4609 | hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt; | |
4610 | hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord; | |
4611 | hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt; | |
4612 | hs->error_frames = pmb->un.varRdLnk.crcCnt; | |
4613 | ||
64ba8818 JS |
4614 | hs->link_failure_count -= lso->link_failure_count; |
4615 | hs->loss_of_sync_count -= lso->loss_of_sync_count; | |
4616 | hs->loss_of_signal_count -= lso->loss_of_signal_count; | |
4617 | hs->prim_seq_protocol_err_count -= lso->prim_seq_protocol_err_count; | |
4618 | hs->invalid_tx_word_count -= lso->invalid_tx_word_count; | |
4619 | hs->invalid_crc_count -= lso->invalid_crc_count; | |
4620 | hs->error_frames -= lso->error_frames; | |
4621 | ||
76a95d75 | 4622 | if (phba->hba_flag & HBA_FCOE_MODE) { |
4d9ab994 JS |
4623 | hs->lip_count = -1; |
4624 | hs->nos_count = (phba->link_events >> 1); | |
4625 | hs->nos_count -= lso->link_events; | |
76a95d75 | 4626 | } else if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { |
dea3101e | 4627 | hs->lip_count = (phba->fc_eventTag >> 1); |
64ba8818 | 4628 | hs->lip_count -= lso->link_events; |
dea3101e | 4629 | hs->nos_count = -1; |
4630 | } else { | |
4631 | hs->lip_count = -1; | |
4632 | hs->nos_count = (phba->fc_eventTag >> 1); | |
64ba8818 | 4633 | hs->nos_count -= lso->link_events; |
dea3101e | 4634 | } |
4635 | ||
4636 | hs->dumped_frames = -1; | |
4637 | ||
64ba8818 JS |
4638 | seconds = get_seconds(); |
4639 | if (seconds < psli->stats_start) | |
4640 | hs->seconds_since_last_reset = seconds + | |
4641 | ((unsigned long)-1 - psli->stats_start); | |
4642 | else | |
4643 | hs->seconds_since_last_reset = seconds - psli->stats_start; | |
dea3101e | 4644 | |
1dcb58e5 JS |
4645 | mempool_free(pmboxq, phba->mbox_mem_pool); |
4646 | ||
dea3101e | 4647 | return hs; |
4648 | } | |
4649 | ||
e59058c4 | 4650 | /** |
3621a710 | 4651 | * lpfc_reset_stats - Copy the adapter link stats information |
e59058c4 JS |
4652 | * @shost: kernel scsi host pointer. |
4653 | **/ | |
64ba8818 JS |
4654 | static void |
4655 | lpfc_reset_stats(struct Scsi_Host *shost) | |
4656 | { | |
2e0fef85 JS |
4657 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
4658 | struct lpfc_hba *phba = vport->phba; | |
4659 | struct lpfc_sli *psli = &phba->sli; | |
4660 | struct lpfc_lnk_stat *lso = &psli->lnk_stat_offsets; | |
64ba8818 JS |
4661 | LPFC_MBOXQ_t *pmboxq; |
4662 | MAILBOX_t *pmb; | |
4663 | int rc = 0; | |
4664 | ||
2e0fef85 | 4665 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) |
46fa311e JS |
4666 | return; |
4667 | ||
64ba8818 JS |
4668 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
4669 | if (!pmboxq) | |
4670 | return; | |
4671 | memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t)); | |
4672 | ||
04c68496 | 4673 | pmb = &pmboxq->u.mb; |
64ba8818 JS |
4674 | pmb->mbxCommand = MBX_READ_STATUS; |
4675 | pmb->mbxOwner = OWN_HOST; | |
4676 | pmb->un.varWords[0] = 0x1; /* reset request */ | |
4677 | pmboxq->context1 = NULL; | |
92d7f7b0 | 4678 | pmboxq->vport = vport; |
64ba8818 | 4679 | |
2e0fef85 | 4680 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
f4b4c68f | 4681 | (!(psli->sli_flag & LPFC_SLI_ACTIVE))) |
64ba8818 JS |
4682 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
4683 | else | |
4684 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); | |
4685 | ||
4686 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 4687 | if (rc != MBX_TIMEOUT) |
64ba8818 JS |
4688 | mempool_free(pmboxq, phba->mbox_mem_pool); |
4689 | return; | |
4690 | } | |
4691 | ||
4692 | memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t)); | |
4693 | pmb->mbxCommand = MBX_READ_LNK_STAT; | |
4694 | pmb->mbxOwner = OWN_HOST; | |
4695 | pmboxq->context1 = NULL; | |
92d7f7b0 | 4696 | pmboxq->vport = vport; |
64ba8818 | 4697 | |
2e0fef85 | 4698 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
f4b4c68f | 4699 | (!(psli->sli_flag & LPFC_SLI_ACTIVE))) |
64ba8818 JS |
4700 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
4701 | else | |
4702 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); | |
4703 | ||
4704 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 4705 | if (rc != MBX_TIMEOUT) |
64ba8818 JS |
4706 | mempool_free( pmboxq, phba->mbox_mem_pool); |
4707 | return; | |
4708 | } | |
4709 | ||
4710 | lso->link_failure_count = pmb->un.varRdLnk.linkFailureCnt; | |
4711 | lso->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt; | |
4712 | lso->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt; | |
4713 | lso->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt; | |
4714 | lso->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord; | |
4715 | lso->invalid_crc_count = pmb->un.varRdLnk.crcCnt; | |
4716 | lso->error_frames = pmb->un.varRdLnk.crcCnt; | |
76a95d75 | 4717 | if (phba->hba_flag & HBA_FCOE_MODE) |
4d9ab994 JS |
4718 | lso->link_events = (phba->link_events >> 1); |
4719 | else | |
4720 | lso->link_events = (phba->fc_eventTag >> 1); | |
64ba8818 JS |
4721 | |
4722 | psli->stats_start = get_seconds(); | |
4723 | ||
1dcb58e5 JS |
4724 | mempool_free(pmboxq, phba->mbox_mem_pool); |
4725 | ||
64ba8818 JS |
4726 | return; |
4727 | } | |
dea3101e | 4728 | |
4729 | /* | |
4730 | * The LPFC driver treats linkdown handling as target loss events so there | |
4731 | * are no sysfs handlers for link_down_tmo. | |
4732 | */ | |
685f0bf7 | 4733 | |
e59058c4 | 4734 | /** |
3621a710 | 4735 | * lpfc_get_node_by_target - Return the nodelist for a target |
e59058c4 JS |
4736 | * @starget: kernel scsi target pointer. |
4737 | * | |
4738 | * Returns: | |
4739 | * address of the node list if found | |
4740 | * NULL target not found | |
4741 | **/ | |
685f0bf7 JS |
4742 | static struct lpfc_nodelist * |
4743 | lpfc_get_node_by_target(struct scsi_target *starget) | |
dea3101e | 4744 | { |
2e0fef85 JS |
4745 | struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); |
4746 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
685f0bf7 | 4747 | struct lpfc_nodelist *ndlp; |
dea3101e | 4748 | |
4749 | spin_lock_irq(shost->host_lock); | |
685f0bf7 | 4750 | /* Search for this, mapped, target ID */ |
2e0fef85 | 4751 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
e47c9093 JS |
4752 | if (NLP_CHK_NODE_ACT(ndlp) && |
4753 | ndlp->nlp_state == NLP_STE_MAPPED_NODE && | |
685f0bf7 JS |
4754 | starget->id == ndlp->nlp_sid) { |
4755 | spin_unlock_irq(shost->host_lock); | |
4756 | return ndlp; | |
dea3101e | 4757 | } |
4758 | } | |
4759 | spin_unlock_irq(shost->host_lock); | |
685f0bf7 JS |
4760 | return NULL; |
4761 | } | |
dea3101e | 4762 | |
e59058c4 | 4763 | /** |
3621a710 | 4764 | * lpfc_get_starget_port_id - Set the target port id to the ndlp DID or -1 |
e59058c4 JS |
4765 | * @starget: kernel scsi target pointer. |
4766 | **/ | |
685f0bf7 JS |
4767 | static void |
4768 | lpfc_get_starget_port_id(struct scsi_target *starget) | |
4769 | { | |
4770 | struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); | |
4771 | ||
4772 | fc_starget_port_id(starget) = ndlp ? ndlp->nlp_DID : -1; | |
dea3101e | 4773 | } |
4774 | ||
e59058c4 | 4775 | /** |
3621a710 | 4776 | * lpfc_get_starget_node_name - Set the target node name |
e59058c4 JS |
4777 | * @starget: kernel scsi target pointer. |
4778 | * | |
4779 | * Description: Set the target node name to the ndlp node name wwn or zero. | |
4780 | **/ | |
dea3101e | 4781 | static void |
4782 | lpfc_get_starget_node_name(struct scsi_target *starget) | |
4783 | { | |
685f0bf7 | 4784 | struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); |
dea3101e | 4785 | |
685f0bf7 JS |
4786 | fc_starget_node_name(starget) = |
4787 | ndlp ? wwn_to_u64(ndlp->nlp_nodename.u.wwn) : 0; | |
dea3101e | 4788 | } |
4789 | ||
e59058c4 | 4790 | /** |
3621a710 | 4791 | * lpfc_get_starget_port_name - Set the target port name |
e59058c4 JS |
4792 | * @starget: kernel scsi target pointer. |
4793 | * | |
4794 | * Description: set the target port name to the ndlp port name wwn or zero. | |
4795 | **/ | |
dea3101e | 4796 | static void |
4797 | lpfc_get_starget_port_name(struct scsi_target *starget) | |
4798 | { | |
685f0bf7 | 4799 | struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); |
dea3101e | 4800 | |
685f0bf7 JS |
4801 | fc_starget_port_name(starget) = |
4802 | ndlp ? wwn_to_u64(ndlp->nlp_portname.u.wwn) : 0; | |
dea3101e | 4803 | } |
4804 | ||
e59058c4 | 4805 | /** |
3621a710 | 4806 | * lpfc_set_rport_loss_tmo - Set the rport dev loss tmo |
e59058c4 JS |
4807 | * @rport: fc rport address. |
4808 | * @timeout: new value for dev loss tmo. | |
4809 | * | |
4810 | * Description: | |
4811 | * If timeout is non zero set the dev_loss_tmo to timeout, else set | |
4812 | * dev_loss_tmo to one. | |
4813 | **/ | |
dea3101e | 4814 | static void |
4815 | lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout) | |
4816 | { | |
dea3101e | 4817 | if (timeout) |
c01f3208 | 4818 | rport->dev_loss_tmo = timeout; |
dea3101e | 4819 | else |
c01f3208 | 4820 | rport->dev_loss_tmo = 1; |
dea3101e | 4821 | } |
4822 | ||
e59058c4 | 4823 | /** |
3621a710 | 4824 | * lpfc_rport_show_function - Return rport target information |
e59058c4 JS |
4825 | * |
4826 | * Description: | |
4827 | * Macro that uses field to generate a function with the name lpfc_show_rport_ | |
4828 | * | |
4829 | * lpfc_show_rport_##field: returns the bytes formatted in buf | |
4830 | * @cdev: class converted to an fc_rport. | |
4831 | * @buf: on return contains the target_field or zero. | |
4832 | * | |
4833 | * Returns: size of formatted string. | |
4834 | **/ | |
dea3101e | 4835 | #define lpfc_rport_show_function(field, format_string, sz, cast) \ |
4836 | static ssize_t \ | |
ee959b00 TJ |
4837 | lpfc_show_rport_##field (struct device *dev, \ |
4838 | struct device_attribute *attr, \ | |
4839 | char *buf) \ | |
dea3101e | 4840 | { \ |
ee959b00 | 4841 | struct fc_rport *rport = transport_class_to_rport(dev); \ |
dea3101e | 4842 | struct lpfc_rport_data *rdata = rport->hostdata; \ |
4843 | return snprintf(buf, sz, format_string, \ | |
4844 | (rdata->target) ? cast rdata->target->field : 0); \ | |
4845 | } | |
4846 | ||
4847 | #define lpfc_rport_rd_attr(field, format_string, sz) \ | |
4848 | lpfc_rport_show_function(field, format_string, sz, ) \ | |
4849 | static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL) | |
4850 | ||
eada272d | 4851 | /** |
3621a710 | 4852 | * lpfc_set_vport_symbolic_name - Set the vport's symbolic name |
eada272d JS |
4853 | * @fc_vport: The fc_vport who's symbolic name has been changed. |
4854 | * | |
4855 | * Description: | |
4856 | * This function is called by the transport after the @fc_vport's symbolic name | |
4857 | * has been changed. This function re-registers the symbolic name with the | |
25985edc | 4858 | * switch to propagate the change into the fabric if the vport is active. |
eada272d JS |
4859 | **/ |
4860 | static void | |
4861 | lpfc_set_vport_symbolic_name(struct fc_vport *fc_vport) | |
4862 | { | |
4863 | struct lpfc_vport *vport = *(struct lpfc_vport **)fc_vport->dd_data; | |
4864 | ||
4865 | if (vport->port_state == LPFC_VPORT_READY) | |
4866 | lpfc_ns_cmd(vport, SLI_CTNS_RSPN_ID, 0, 0); | |
4867 | } | |
dea3101e | 4868 | |
f4b4c68f JS |
4869 | /** |
4870 | * lpfc_hba_log_verbose_init - Set hba's log verbose level | |
4871 | * @phba: Pointer to lpfc_hba struct. | |
4872 | * | |
4873 | * This function is called by the lpfc_get_cfgparam() routine to set the | |
4874 | * module lpfc_log_verbose into the @phba cfg_log_verbose for use with | |
70f23fd6 | 4875 | * log message according to the module's lpfc_log_verbose parameter setting |
f4b4c68f JS |
4876 | * before hba port or vport created. |
4877 | **/ | |
4878 | static void | |
4879 | lpfc_hba_log_verbose_init(struct lpfc_hba *phba, uint32_t verbose) | |
4880 | { | |
4881 | phba->cfg_log_verbose = verbose; | |
4882 | } | |
4883 | ||
dea3101e | 4884 | struct fc_function_template lpfc_transport_functions = { |
4885 | /* fixed attributes the driver supports */ | |
4886 | .show_host_node_name = 1, | |
4887 | .show_host_port_name = 1, | |
4888 | .show_host_supported_classes = 1, | |
4889 | .show_host_supported_fc4s = 1, | |
dea3101e | 4890 | .show_host_supported_speeds = 1, |
4891 | .show_host_maxframe_size = 1, | |
eada272d | 4892 | .show_host_symbolic_name = 1, |
dea3101e | 4893 | |
4894 | /* dynamic attributes the driver supports */ | |
4895 | .get_host_port_id = lpfc_get_host_port_id, | |
4896 | .show_host_port_id = 1, | |
4897 | ||
4898 | .get_host_port_type = lpfc_get_host_port_type, | |
4899 | .show_host_port_type = 1, | |
4900 | ||
4901 | .get_host_port_state = lpfc_get_host_port_state, | |
4902 | .show_host_port_state = 1, | |
4903 | ||
4904 | /* active_fc4s is shown but doesn't change (thus no get function) */ | |
4905 | .show_host_active_fc4s = 1, | |
4906 | ||
4907 | .get_host_speed = lpfc_get_host_speed, | |
4908 | .show_host_speed = 1, | |
4909 | ||
4910 | .get_host_fabric_name = lpfc_get_host_fabric_name, | |
4911 | .show_host_fabric_name = 1, | |
4912 | ||
4913 | /* | |
4914 | * The LPFC driver treats linkdown handling as target loss events | |
4915 | * so there are no sysfs handlers for link_down_tmo. | |
4916 | */ | |
4917 | ||
4918 | .get_fc_host_stats = lpfc_get_stats, | |
64ba8818 | 4919 | .reset_fc_host_stats = lpfc_reset_stats, |
dea3101e | 4920 | |
4921 | .dd_fcrport_size = sizeof(struct lpfc_rport_data), | |
4922 | .show_rport_maxframe_size = 1, | |
4923 | .show_rport_supported_classes = 1, | |
4924 | ||
dea3101e | 4925 | .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo, |
4926 | .show_rport_dev_loss_tmo = 1, | |
4927 | ||
4928 | .get_starget_port_id = lpfc_get_starget_port_id, | |
4929 | .show_starget_port_id = 1, | |
4930 | ||
4931 | .get_starget_node_name = lpfc_get_starget_node_name, | |
4932 | .show_starget_node_name = 1, | |
4933 | ||
4934 | .get_starget_port_name = lpfc_get_starget_port_name, | |
4935 | .show_starget_port_name = 1, | |
91ca7b01 AV |
4936 | |
4937 | .issue_fc_host_lip = lpfc_issue_lip, | |
c01f3208 JS |
4938 | .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk, |
4939 | .terminate_rport_io = lpfc_terminate_rport_io, | |
92d7f7b0 | 4940 | |
92d7f7b0 | 4941 | .dd_fcvport_size = sizeof(struct lpfc_vport *), |
eada272d JS |
4942 | |
4943 | .vport_disable = lpfc_vport_disable, | |
4944 | ||
4945 | .set_vport_symbolic_name = lpfc_set_vport_symbolic_name, | |
f1c3b0fc JS |
4946 | |
4947 | .bsg_request = lpfc_bsg_request, | |
4948 | .bsg_timeout = lpfc_bsg_timeout, | |
92d7f7b0 JS |
4949 | }; |
4950 | ||
98c9ea5c JS |
4951 | struct fc_function_template lpfc_vport_transport_functions = { |
4952 | /* fixed attributes the driver supports */ | |
4953 | .show_host_node_name = 1, | |
4954 | .show_host_port_name = 1, | |
4955 | .show_host_supported_classes = 1, | |
4956 | .show_host_supported_fc4s = 1, | |
4957 | .show_host_supported_speeds = 1, | |
4958 | .show_host_maxframe_size = 1, | |
eada272d | 4959 | .show_host_symbolic_name = 1, |
98c9ea5c JS |
4960 | |
4961 | /* dynamic attributes the driver supports */ | |
4962 | .get_host_port_id = lpfc_get_host_port_id, | |
4963 | .show_host_port_id = 1, | |
4964 | ||
4965 | .get_host_port_type = lpfc_get_host_port_type, | |
4966 | .show_host_port_type = 1, | |
4967 | ||
4968 | .get_host_port_state = lpfc_get_host_port_state, | |
4969 | .show_host_port_state = 1, | |
4970 | ||
4971 | /* active_fc4s is shown but doesn't change (thus no get function) */ | |
4972 | .show_host_active_fc4s = 1, | |
4973 | ||
4974 | .get_host_speed = lpfc_get_host_speed, | |
4975 | .show_host_speed = 1, | |
4976 | ||
4977 | .get_host_fabric_name = lpfc_get_host_fabric_name, | |
4978 | .show_host_fabric_name = 1, | |
4979 | ||
4980 | /* | |
4981 | * The LPFC driver treats linkdown handling as target loss events | |
4982 | * so there are no sysfs handlers for link_down_tmo. | |
4983 | */ | |
4984 | ||
4985 | .get_fc_host_stats = lpfc_get_stats, | |
4986 | .reset_fc_host_stats = lpfc_reset_stats, | |
4987 | ||
4988 | .dd_fcrport_size = sizeof(struct lpfc_rport_data), | |
4989 | .show_rport_maxframe_size = 1, | |
4990 | .show_rport_supported_classes = 1, | |
4991 | ||
4992 | .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo, | |
4993 | .show_rport_dev_loss_tmo = 1, | |
4994 | ||
4995 | .get_starget_port_id = lpfc_get_starget_port_id, | |
4996 | .show_starget_port_id = 1, | |
4997 | ||
4998 | .get_starget_node_name = lpfc_get_starget_node_name, | |
4999 | .show_starget_node_name = 1, | |
5000 | ||
5001 | .get_starget_port_name = lpfc_get_starget_port_name, | |
5002 | .show_starget_port_name = 1, | |
5003 | ||
5004 | .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk, | |
5005 | .terminate_rport_io = lpfc_terminate_rport_io, | |
5006 | ||
5007 | .vport_disable = lpfc_vport_disable, | |
eada272d JS |
5008 | |
5009 | .set_vport_symbolic_name = lpfc_set_vport_symbolic_name, | |
98c9ea5c JS |
5010 | }; |
5011 | ||
e59058c4 | 5012 | /** |
3621a710 | 5013 | * lpfc_get_cfgparam - Used during probe_one to init the adapter structure |
e59058c4 JS |
5014 | * @phba: lpfc_hba pointer. |
5015 | **/ | |
dea3101e | 5016 | void |
5017 | lpfc_get_cfgparam(struct lpfc_hba *phba) | |
5018 | { | |
7bcbb752 JSEC |
5019 | lpfc_cr_delay_init(phba, lpfc_cr_delay); |
5020 | lpfc_cr_count_init(phba, lpfc_cr_count); | |
cf5bf97e | 5021 | lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support); |
a4bc3379 JS |
5022 | lpfc_multi_ring_rctl_init(phba, lpfc_multi_ring_rctl); |
5023 | lpfc_multi_ring_type_init(phba, lpfc_multi_ring_type); | |
7bcbb752 JSEC |
5024 | lpfc_ack0_init(phba, lpfc_ack0); |
5025 | lpfc_topology_init(phba, lpfc_topology); | |
7bcbb752 | 5026 | lpfc_link_speed_init(phba, lpfc_link_speed); |
875fbdfe | 5027 | lpfc_poll_tmo_init(phba, lpfc_poll_tmo); |
78b2d852 | 5028 | lpfc_enable_npiv_init(phba, lpfc_enable_npiv); |
7d791df7 | 5029 | lpfc_fcf_failover_policy_init(phba, lpfc_fcf_failover_policy); |
19ca7609 | 5030 | lpfc_enable_rrq_init(phba, lpfc_enable_rrq); |
4ff43246 | 5031 | lpfc_use_msi_init(phba, lpfc_use_msi); |
da0436e9 JS |
5032 | lpfc_fcp_imax_init(phba, lpfc_fcp_imax); |
5033 | lpfc_fcp_wq_count_init(phba, lpfc_fcp_wq_count); | |
5034 | lpfc_fcp_eq_count_init(phba, lpfc_fcp_eq_count); | |
13815c83 JS |
5035 | lpfc_enable_hba_reset_init(phba, lpfc_enable_hba_reset); |
5036 | lpfc_enable_hba_heartbeat_init(phba, lpfc_enable_hba_heartbeat); | |
81301a9b | 5037 | lpfc_enable_bg_init(phba, lpfc_enable_bg); |
45ed1190 JS |
5038 | if (phba->sli_rev == LPFC_SLI_REV4) |
5039 | phba->cfg_poll = 0; | |
5040 | else | |
875fbdfe | 5041 | phba->cfg_poll = lpfc_poll; |
a12e07bc | 5042 | phba->cfg_soft_wwnn = 0L; |
c3f28afa | 5043 | phba->cfg_soft_wwpn = 0L; |
83108bd3 | 5044 | lpfc_sg_seg_cnt_init(phba, lpfc_sg_seg_cnt); |
81301a9b | 5045 | lpfc_prot_sg_seg_cnt_init(phba, lpfc_prot_sg_seg_cnt); |
7054a606 | 5046 | lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth); |
6fb120a7 | 5047 | lpfc_hba_log_verbose_init(phba, lpfc_log_verbose); |
0d878419 | 5048 | lpfc_aer_support_init(phba, lpfc_aer_support); |
912e3acd | 5049 | lpfc_sriov_nr_virtfn_init(phba, lpfc_sriov_nr_virtfn); |
84d1b006 | 5050 | lpfc_suppress_link_up_init(phba, lpfc_suppress_link_up); |
2a9bf3d0 | 5051 | lpfc_iocb_cnt_init(phba, lpfc_iocb_cnt); |
ab56dc2e | 5052 | phba->cfg_enable_dss = 1; |
3de2a653 JS |
5053 | return; |
5054 | } | |
b28485ac | 5055 | |
e59058c4 | 5056 | /** |
3621a710 | 5057 | * lpfc_get_vport_cfgparam - Used during port create, init the vport structure |
e59058c4 JS |
5058 | * @vport: lpfc_vport pointer. |
5059 | **/ | |
3de2a653 JS |
5060 | void |
5061 | lpfc_get_vport_cfgparam(struct lpfc_vport *vport) | |
5062 | { | |
e8b62011 | 5063 | lpfc_log_verbose_init(vport, lpfc_log_verbose); |
3de2a653 | 5064 | lpfc_lun_queue_depth_init(vport, lpfc_lun_queue_depth); |
7dc517df | 5065 | lpfc_tgt_queue_depth_init(vport, lpfc_tgt_queue_depth); |
3de2a653 JS |
5066 | lpfc_devloss_tmo_init(vport, lpfc_devloss_tmo); |
5067 | lpfc_nodev_tmo_init(vport, lpfc_nodev_tmo); | |
5068 | lpfc_peer_port_login_init(vport, lpfc_peer_port_login); | |
5069 | lpfc_restrict_login_init(vport, lpfc_restrict_login); | |
5070 | lpfc_fcp_class_init(vport, lpfc_fcp_class); | |
5071 | lpfc_use_adisc_init(vport, lpfc_use_adisc); | |
977b5a0a | 5072 | lpfc_max_scsicmpl_time_init(vport, lpfc_max_scsicmpl_time); |
3de2a653 JS |
5073 | lpfc_fdmi_on_init(vport, lpfc_fdmi_on); |
5074 | lpfc_discovery_threads_init(vport, lpfc_discovery_threads); | |
5075 | lpfc_max_luns_init(vport, lpfc_max_luns); | |
5076 | lpfc_scan_down_init(vport, lpfc_scan_down); | |
7ee5d43e | 5077 | lpfc_enable_da_id_init(vport, lpfc_enable_da_id); |
dea3101e | 5078 | return; |
5079 | } |