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dea3101e JB |
1 | /******************************************************************* |
2 | * This file is part of the Emulex Linux Device Driver for * | |
c44ce173 | 3 | * Fibre Channel Host Bus Adapters. * |
50611577 | 4 | * Copyright (C) 2004-2016 Emulex. All rights reserved. * |
c44ce173 | 5 | * EMULEX and SLI are trademarks of Emulex. * |
dea3101e | 6 | * www.emulex.com * |
c44ce173 | 7 | * Portions Copyright (C) 2004-2005 Christoph Hellwig * |
dea3101e JB |
8 | * * |
9 | * This program is free software; you can redistribute it and/or * | |
c44ce173 JSEC |
10 | * modify it under the terms of version 2 of the GNU General * |
11 | * Public License as published by the Free Software Foundation. * | |
12 | * This program is distributed in the hope that it will be useful. * | |
13 | * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * | |
14 | * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * | |
15 | * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * | |
16 | * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * | |
17 | * TO BE LEGALLY INVALID. See the GNU General Public License for * | |
18 | * more details, a copy of which can be found in the file COPYING * | |
19 | * included with this package. * | |
dea3101e JB |
20 | *******************************************************************/ |
21 | ||
dea3101e | 22 | #include <linux/ctype.h> |
46fa311e | 23 | #include <linux/delay.h> |
dea3101e JB |
24 | #include <linux/pci.h> |
25 | #include <linux/interrupt.h> | |
acf3368f | 26 | #include <linux/module.h> |
0d878419 | 27 | #include <linux/aer.h> |
5a0e3ad6 | 28 | #include <linux/gfp.h> |
ecc30990 | 29 | #include <linux/kernel.h> |
dea3101e | 30 | |
91886523 | 31 | #include <scsi/scsi.h> |
dea3101e JB |
32 | #include <scsi/scsi_device.h> |
33 | #include <scsi/scsi_host.h> | |
34 | #include <scsi/scsi_tcq.h> | |
35 | #include <scsi/scsi_transport_fc.h> | |
6a9c52cf | 36 | #include <scsi/fc/fc_fs.h> |
dea3101e | 37 | |
da0436e9 | 38 | #include "lpfc_hw4.h" |
dea3101e JB |
39 | #include "lpfc_hw.h" |
40 | #include "lpfc_sli.h" | |
da0436e9 | 41 | #include "lpfc_sli4.h" |
ea2151b4 | 42 | #include "lpfc_nl.h" |
dea3101e JB |
43 | #include "lpfc_disc.h" |
44 | #include "lpfc_scsi.h" | |
45 | #include "lpfc.h" | |
46 | #include "lpfc_logmsg.h" | |
47 | #include "lpfc_version.h" | |
48 | #include "lpfc_compat.h" | |
49 | #include "lpfc_crtn.h" | |
92d7f7b0 | 50 | #include "lpfc_vport.h" |
dea3101e | 51 | |
c01f3208 JS |
52 | #define LPFC_DEF_DEVLOSS_TMO 30 |
53 | #define LPFC_MIN_DEVLOSS_TMO 1 | |
54 | #define LPFC_MAX_DEVLOSS_TMO 255 | |
dea3101e | 55 | |
f7a919b4 JS |
56 | /* |
57 | * Write key size should be multiple of 4. If write key is changed | |
58 | * make sure that library write key is also changed. | |
59 | */ | |
60 | #define LPFC_REG_WRITE_KEY_SIZE 4 | |
61 | #define LPFC_REG_WRITE_KEY "EMLX" | |
62 | ||
e59058c4 | 63 | /** |
3621a710 | 64 | * lpfc_jedec_to_ascii - Hex to ascii convertor according to JEDEC rules |
e59058c4 JS |
65 | * @incr: integer to convert. |
66 | * @hdw: ascii string holding converted integer plus a string terminator. | |
67 | * | |
68 | * Description: | |
69 | * JEDEC Joint Electron Device Engineering Council. | |
70 | * Convert a 32 bit integer composed of 8 nibbles into an 8 byte ascii | |
71 | * character string. The string is then terminated with a NULL in byte 9. | |
72 | * Hex 0-9 becomes ascii '0' to '9'. | |
73 | * Hex a-f becomes ascii '=' to 'B' capital B. | |
74 | * | |
75 | * Notes: | |
76 | * Coded for 32 bit integers only. | |
77 | **/ | |
dea3101e JB |
78 | static void |
79 | lpfc_jedec_to_ascii(int incr, char hdw[]) | |
80 | { | |
81 | int i, j; | |
82 | for (i = 0; i < 8; i++) { | |
83 | j = (incr & 0xf); | |
84 | if (j <= 9) | |
85 | hdw[7 - i] = 0x30 + j; | |
86 | else | |
87 | hdw[7 - i] = 0x61 + j - 10; | |
88 | incr = (incr >> 4); | |
89 | } | |
90 | hdw[8] = 0; | |
91 | return; | |
92 | } | |
93 | ||
e59058c4 | 94 | /** |
3621a710 | 95 | * lpfc_drvr_version_show - Return the Emulex driver string with version number |
e59058c4 JS |
96 | * @dev: class unused variable. |
97 | * @attr: device attribute, not used. | |
98 | * @buf: on return contains the module description text. | |
99 | * | |
100 | * Returns: size of formatted string. | |
101 | **/ | |
dea3101e | 102 | static ssize_t |
ee959b00 TJ |
103 | lpfc_drvr_version_show(struct device *dev, struct device_attribute *attr, |
104 | char *buf) | |
dea3101e JB |
105 | { |
106 | return snprintf(buf, PAGE_SIZE, LPFC_MODULE_DESC "\n"); | |
107 | } | |
108 | ||
45ed1190 JS |
109 | /** |
110 | * lpfc_enable_fip_show - Return the fip mode of the HBA | |
111 | * @dev: class unused variable. | |
112 | * @attr: device attribute, not used. | |
113 | * @buf: on return contains the module description text. | |
114 | * | |
115 | * Returns: size of formatted string. | |
116 | **/ | |
117 | static ssize_t | |
118 | lpfc_enable_fip_show(struct device *dev, struct device_attribute *attr, | |
119 | char *buf) | |
120 | { | |
121 | struct Scsi_Host *shost = class_to_shost(dev); | |
122 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
123 | struct lpfc_hba *phba = vport->phba; | |
124 | ||
125 | if (phba->hba_flag & HBA_FIP_SUPPORT) | |
126 | return snprintf(buf, PAGE_SIZE, "1\n"); | |
127 | else | |
128 | return snprintf(buf, PAGE_SIZE, "0\n"); | |
129 | } | |
130 | ||
81301a9b JS |
131 | static ssize_t |
132 | lpfc_bg_info_show(struct device *dev, struct device_attribute *attr, | |
133 | char *buf) | |
134 | { | |
135 | struct Scsi_Host *shost = class_to_shost(dev); | |
136 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
137 | struct lpfc_hba *phba = vport->phba; | |
138 | ||
139 | if (phba->cfg_enable_bg) | |
140 | if (phba->sli3_options & LPFC_SLI3_BG_ENABLED) | |
141 | return snprintf(buf, PAGE_SIZE, "BlockGuard Enabled\n"); | |
142 | else | |
143 | return snprintf(buf, PAGE_SIZE, | |
144 | "BlockGuard Not Supported\n"); | |
145 | else | |
146 | return snprintf(buf, PAGE_SIZE, | |
147 | "BlockGuard Disabled\n"); | |
148 | } | |
149 | ||
150 | static ssize_t | |
151 | lpfc_bg_guard_err_show(struct device *dev, struct device_attribute *attr, | |
152 | char *buf) | |
153 | { | |
154 | struct Scsi_Host *shost = class_to_shost(dev); | |
155 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
156 | struct lpfc_hba *phba = vport->phba; | |
157 | ||
87b5c328 JS |
158 | return snprintf(buf, PAGE_SIZE, "%llu\n", |
159 | (unsigned long long)phba->bg_guard_err_cnt); | |
81301a9b JS |
160 | } |
161 | ||
162 | static ssize_t | |
163 | lpfc_bg_apptag_err_show(struct device *dev, struct device_attribute *attr, | |
164 | char *buf) | |
165 | { | |
166 | struct Scsi_Host *shost = class_to_shost(dev); | |
167 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
168 | struct lpfc_hba *phba = vport->phba; | |
169 | ||
87b5c328 JS |
170 | return snprintf(buf, PAGE_SIZE, "%llu\n", |
171 | (unsigned long long)phba->bg_apptag_err_cnt); | |
81301a9b JS |
172 | } |
173 | ||
174 | static ssize_t | |
175 | lpfc_bg_reftag_err_show(struct device *dev, struct device_attribute *attr, | |
176 | char *buf) | |
177 | { | |
178 | struct Scsi_Host *shost = class_to_shost(dev); | |
179 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
180 | struct lpfc_hba *phba = vport->phba; | |
181 | ||
87b5c328 JS |
182 | return snprintf(buf, PAGE_SIZE, "%llu\n", |
183 | (unsigned long long)phba->bg_reftag_err_cnt); | |
81301a9b JS |
184 | } |
185 | ||
e59058c4 | 186 | /** |
3621a710 | 187 | * lpfc_info_show - Return some pci info about the host in ascii |
e59058c4 JS |
188 | * @dev: class converted to a Scsi_host structure. |
189 | * @attr: device attribute, not used. | |
190 | * @buf: on return contains the formatted text from lpfc_info(). | |
191 | * | |
192 | * Returns: size of formatted string. | |
193 | **/ | |
dea3101e | 194 | static ssize_t |
ee959b00 TJ |
195 | lpfc_info_show(struct device *dev, struct device_attribute *attr, |
196 | char *buf) | |
dea3101e | 197 | { |
ee959b00 | 198 | struct Scsi_Host *host = class_to_shost(dev); |
2e0fef85 | 199 | |
dea3101e JB |
200 | return snprintf(buf, PAGE_SIZE, "%s\n",lpfc_info(host)); |
201 | } | |
202 | ||
e59058c4 | 203 | /** |
3621a710 | 204 | * lpfc_serialnum_show - Return the hba serial number in ascii |
e59058c4 JS |
205 | * @dev: class converted to a Scsi_host structure. |
206 | * @attr: device attribute, not used. | |
207 | * @buf: on return contains the formatted text serial number. | |
208 | * | |
209 | * Returns: size of formatted string. | |
210 | **/ | |
dea3101e | 211 | static ssize_t |
ee959b00 TJ |
212 | lpfc_serialnum_show(struct device *dev, struct device_attribute *attr, |
213 | char *buf) | |
dea3101e | 214 | { |
ee959b00 | 215 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
216 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
217 | struct lpfc_hba *phba = vport->phba; | |
218 | ||
dea3101e JB |
219 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->SerialNumber); |
220 | } | |
221 | ||
e59058c4 | 222 | /** |
3621a710 | 223 | * lpfc_temp_sensor_show - Return the temperature sensor level |
e59058c4 JS |
224 | * @dev: class converted to a Scsi_host structure. |
225 | * @attr: device attribute, not used. | |
226 | * @buf: on return contains the formatted support level. | |
227 | * | |
228 | * Description: | |
229 | * Returns a number indicating the temperature sensor level currently | |
230 | * supported, zero or one in ascii. | |
231 | * | |
232 | * Returns: size of formatted string. | |
233 | **/ | |
57127f15 | 234 | static ssize_t |
ee959b00 TJ |
235 | lpfc_temp_sensor_show(struct device *dev, struct device_attribute *attr, |
236 | char *buf) | |
57127f15 | 237 | { |
ee959b00 | 238 | struct Scsi_Host *shost = class_to_shost(dev); |
57127f15 JS |
239 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
240 | struct lpfc_hba *phba = vport->phba; | |
241 | return snprintf(buf, PAGE_SIZE, "%d\n",phba->temp_sensor_support); | |
242 | } | |
243 | ||
e59058c4 | 244 | /** |
3621a710 | 245 | * lpfc_modeldesc_show - Return the model description of the hba |
e59058c4 JS |
246 | * @dev: class converted to a Scsi_host structure. |
247 | * @attr: device attribute, not used. | |
248 | * @buf: on return contains the scsi vpd model description. | |
249 | * | |
250 | * Returns: size of formatted string. | |
251 | **/ | |
dea3101e | 252 | static ssize_t |
ee959b00 TJ |
253 | lpfc_modeldesc_show(struct device *dev, struct device_attribute *attr, |
254 | char *buf) | |
dea3101e | 255 | { |
ee959b00 | 256 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
257 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
258 | struct lpfc_hba *phba = vport->phba; | |
259 | ||
dea3101e JB |
260 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelDesc); |
261 | } | |
262 | ||
e59058c4 | 263 | /** |
3621a710 | 264 | * lpfc_modelname_show - Return the model name of the hba |
e59058c4 JS |
265 | * @dev: class converted to a Scsi_host structure. |
266 | * @attr: device attribute, not used. | |
267 | * @buf: on return contains the scsi vpd model name. | |
268 | * | |
269 | * Returns: size of formatted string. | |
270 | **/ | |
dea3101e | 271 | static ssize_t |
ee959b00 TJ |
272 | lpfc_modelname_show(struct device *dev, struct device_attribute *attr, |
273 | char *buf) | |
dea3101e | 274 | { |
ee959b00 | 275 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
276 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
277 | struct lpfc_hba *phba = vport->phba; | |
278 | ||
dea3101e JB |
279 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelName); |
280 | } | |
281 | ||
e59058c4 | 282 | /** |
3621a710 | 283 | * lpfc_programtype_show - Return the program type of the hba |
e59058c4 JS |
284 | * @dev: class converted to a Scsi_host structure. |
285 | * @attr: device attribute, not used. | |
286 | * @buf: on return contains the scsi vpd program type. | |
287 | * | |
288 | * Returns: size of formatted string. | |
289 | **/ | |
dea3101e | 290 | static ssize_t |
ee959b00 TJ |
291 | lpfc_programtype_show(struct device *dev, struct device_attribute *attr, |
292 | char *buf) | |
dea3101e | 293 | { |
ee959b00 | 294 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
295 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
296 | struct lpfc_hba *phba = vport->phba; | |
297 | ||
dea3101e JB |
298 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->ProgramType); |
299 | } | |
300 | ||
84774a4d | 301 | /** |
3621a710 | 302 | * lpfc_mlomgmt_show - Return the Menlo Maintenance sli flag |
84774a4d JS |
303 | * @dev: class converted to a Scsi_host structure. |
304 | * @attr: device attribute, not used. | |
305 | * @buf: on return contains the Menlo Maintenance sli flag. | |
306 | * | |
307 | * Returns: size of formatted string. | |
308 | **/ | |
309 | static ssize_t | |
310 | lpfc_mlomgmt_show(struct device *dev, struct device_attribute *attr, char *buf) | |
311 | { | |
312 | struct Scsi_Host *shost = class_to_shost(dev); | |
313 | struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; | |
314 | struct lpfc_hba *phba = vport->phba; | |
315 | ||
316 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
317 | (phba->sli.sli_flag & LPFC_MENLO_MAINT)); | |
318 | } | |
319 | ||
e59058c4 | 320 | /** |
3621a710 | 321 | * lpfc_vportnum_show - Return the port number in ascii of the hba |
e59058c4 JS |
322 | * @dev: class converted to a Scsi_host structure. |
323 | * @attr: device attribute, not used. | |
324 | * @buf: on return contains scsi vpd program type. | |
325 | * | |
326 | * Returns: size of formatted string. | |
327 | **/ | |
dea3101e | 328 | static ssize_t |
ee959b00 TJ |
329 | lpfc_vportnum_show(struct device *dev, struct device_attribute *attr, |
330 | char *buf) | |
dea3101e | 331 | { |
ee959b00 | 332 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
333 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
334 | struct lpfc_hba *phba = vport->phba; | |
335 | ||
dea3101e JB |
336 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->Port); |
337 | } | |
338 | ||
e59058c4 | 339 | /** |
3621a710 | 340 | * lpfc_fwrev_show - Return the firmware rev running in the hba |
e59058c4 JS |
341 | * @dev: class converted to a Scsi_host structure. |
342 | * @attr: device attribute, not used. | |
343 | * @buf: on return contains the scsi vpd program type. | |
344 | * | |
345 | * Returns: size of formatted string. | |
346 | **/ | |
dea3101e | 347 | static ssize_t |
ee959b00 TJ |
348 | lpfc_fwrev_show(struct device *dev, struct device_attribute *attr, |
349 | char *buf) | |
dea3101e | 350 | { |
ee959b00 | 351 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
352 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
353 | struct lpfc_hba *phba = vport->phba; | |
026abb87 JS |
354 | uint32_t if_type; |
355 | uint8_t sli_family; | |
6b5151fd | 356 | char fwrev[FW_REV_STR_SIZE]; |
026abb87 | 357 | int len; |
2e0fef85 | 358 | |
dea3101e | 359 | lpfc_decode_firmware_rev(phba, fwrev, 1); |
026abb87 JS |
360 | if_type = phba->sli4_hba.pc_sli4_params.if_type; |
361 | sli_family = phba->sli4_hba.pc_sli4_params.sli_family; | |
362 | ||
363 | if (phba->sli_rev < LPFC_SLI_REV4) | |
364 | len = snprintf(buf, PAGE_SIZE, "%s, sli-%d\n", | |
365 | fwrev, phba->sli_rev); | |
366 | else | |
367 | len = snprintf(buf, PAGE_SIZE, "%s, sli-%d:%d:%x\n", | |
368 | fwrev, phba->sli_rev, if_type, sli_family); | |
369 | ||
370 | return len; | |
dea3101e JB |
371 | } |
372 | ||
e59058c4 | 373 | /** |
3621a710 | 374 | * lpfc_hdw_show - Return the jedec information about the hba |
e59058c4 JS |
375 | * @dev: class converted to a Scsi_host structure. |
376 | * @attr: device attribute, not used. | |
377 | * @buf: on return contains the scsi vpd program type. | |
378 | * | |
379 | * Returns: size of formatted string. | |
380 | **/ | |
dea3101e | 381 | static ssize_t |
ee959b00 | 382 | lpfc_hdw_show(struct device *dev, struct device_attribute *attr, char *buf) |
dea3101e JB |
383 | { |
384 | char hdw[9]; | |
ee959b00 | 385 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
386 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
387 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 388 | lpfc_vpd_t *vp = &phba->vpd; |
2e0fef85 | 389 | |
dea3101e JB |
390 | lpfc_jedec_to_ascii(vp->rev.biuRev, hdw); |
391 | return snprintf(buf, PAGE_SIZE, "%s\n", hdw); | |
392 | } | |
e59058c4 JS |
393 | |
394 | /** | |
3621a710 | 395 | * lpfc_option_rom_version_show - Return the adapter ROM FCode version |
e59058c4 JS |
396 | * @dev: class converted to a Scsi_host structure. |
397 | * @attr: device attribute, not used. | |
398 | * @buf: on return contains the ROM and FCode ascii strings. | |
399 | * | |
400 | * Returns: size of formatted string. | |
401 | **/ | |
dea3101e | 402 | static ssize_t |
ee959b00 TJ |
403 | lpfc_option_rom_version_show(struct device *dev, struct device_attribute *attr, |
404 | char *buf) | |
dea3101e | 405 | { |
ee959b00 | 406 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
407 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
408 | struct lpfc_hba *phba = vport->phba; | |
a0683bf6 JS |
409 | char fwrev[FW_REV_STR_SIZE]; |
410 | ||
411 | if (phba->sli_rev < LPFC_SLI_REV4) | |
412 | return snprintf(buf, PAGE_SIZE, "%s\n", phba->OptionROMVersion); | |
2e0fef85 | 413 | |
a0683bf6 JS |
414 | lpfc_decode_firmware_rev(phba, fwrev, 1); |
415 | return snprintf(buf, PAGE_SIZE, "%s\n", fwrev); | |
dea3101e | 416 | } |
e59058c4 JS |
417 | |
418 | /** | |
3621a710 | 419 | * lpfc_state_show - Return the link state of the port |
e59058c4 JS |
420 | * @dev: class converted to a Scsi_host structure. |
421 | * @attr: device attribute, not used. | |
422 | * @buf: on return contains text describing the state of the link. | |
423 | * | |
424 | * Notes: | |
425 | * The switch statement has no default so zero will be returned. | |
426 | * | |
427 | * Returns: size of formatted string. | |
428 | **/ | |
dea3101e | 429 | static ssize_t |
bbd1ae41 HR |
430 | lpfc_link_state_show(struct device *dev, struct device_attribute *attr, |
431 | char *buf) | |
dea3101e | 432 | { |
ee959b00 | 433 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
434 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
435 | struct lpfc_hba *phba = vport->phba; | |
436 | int len = 0; | |
437 | ||
438 | switch (phba->link_state) { | |
439 | case LPFC_LINK_UNKNOWN: | |
41415862 | 440 | case LPFC_WARM_START: |
dea3101e JB |
441 | case LPFC_INIT_START: |
442 | case LPFC_INIT_MBX_CMDS: | |
443 | case LPFC_LINK_DOWN: | |
2e0fef85 | 444 | case LPFC_HBA_ERROR: |
a0c87cbd JS |
445 | if (phba->hba_flag & LINK_DISABLED) |
446 | len += snprintf(buf + len, PAGE_SIZE-len, | |
447 | "Link Down - User disabled\n"); | |
448 | else | |
449 | len += snprintf(buf + len, PAGE_SIZE-len, | |
450 | "Link Down\n"); | |
dea3101e JB |
451 | break; |
452 | case LPFC_LINK_UP: | |
dea3101e | 453 | case LPFC_CLEAR_LA: |
dea3101e | 454 | case LPFC_HBA_READY: |
a8adb832 | 455 | len += snprintf(buf + len, PAGE_SIZE-len, "Link Up - "); |
2e0fef85 JS |
456 | |
457 | switch (vport->port_state) { | |
2e0fef85 JS |
458 | case LPFC_LOCAL_CFG_LINK: |
459 | len += snprintf(buf + len, PAGE_SIZE-len, | |
92d7f7b0 | 460 | "Configuring Link\n"); |
2e0fef85 | 461 | break; |
92d7f7b0 | 462 | case LPFC_FDISC: |
2e0fef85 JS |
463 | case LPFC_FLOGI: |
464 | case LPFC_FABRIC_CFG_LINK: | |
465 | case LPFC_NS_REG: | |
466 | case LPFC_NS_QRY: | |
467 | case LPFC_BUILD_DISC_LIST: | |
468 | case LPFC_DISC_AUTH: | |
469 | len += snprintf(buf + len, PAGE_SIZE - len, | |
470 | "Discovery\n"); | |
471 | break; | |
472 | case LPFC_VPORT_READY: | |
473 | len += snprintf(buf + len, PAGE_SIZE - len, "Ready\n"); | |
474 | break; | |
475 | ||
92d7f7b0 JS |
476 | case LPFC_VPORT_FAILED: |
477 | len += snprintf(buf + len, PAGE_SIZE - len, "Failed\n"); | |
478 | break; | |
479 | ||
480 | case LPFC_VPORT_UNKNOWN: | |
2e0fef85 JS |
481 | len += snprintf(buf + len, PAGE_SIZE - len, |
482 | "Unknown\n"); | |
483 | break; | |
484 | } | |
84774a4d JS |
485 | if (phba->sli.sli_flag & LPFC_MENLO_MAINT) |
486 | len += snprintf(buf + len, PAGE_SIZE-len, | |
487 | " Menlo Maint Mode\n"); | |
76a95d75 | 488 | else if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { |
2e0fef85 | 489 | if (vport->fc_flag & FC_PUBLIC_LOOP) |
dea3101e JB |
490 | len += snprintf(buf + len, PAGE_SIZE-len, |
491 | " Public Loop\n"); | |
492 | else | |
493 | len += snprintf(buf + len, PAGE_SIZE-len, | |
494 | " Private Loop\n"); | |
495 | } else { | |
2e0fef85 | 496 | if (vport->fc_flag & FC_FABRIC) |
dea3101e JB |
497 | len += snprintf(buf + len, PAGE_SIZE-len, |
498 | " Fabric\n"); | |
499 | else | |
500 | len += snprintf(buf + len, PAGE_SIZE-len, | |
501 | " Point-2-Point\n"); | |
502 | } | |
503 | } | |
2e0fef85 | 504 | |
dea3101e JB |
505 | return len; |
506 | } | |
507 | ||
026abb87 JS |
508 | /** |
509 | * lpfc_sli4_protocol_show - Return the fip mode of the HBA | |
510 | * @dev: class unused variable. | |
511 | * @attr: device attribute, not used. | |
512 | * @buf: on return contains the module description text. | |
513 | * | |
514 | * Returns: size of formatted string. | |
515 | **/ | |
516 | static ssize_t | |
517 | lpfc_sli4_protocol_show(struct device *dev, struct device_attribute *attr, | |
518 | char *buf) | |
519 | { | |
520 | struct Scsi_Host *shost = class_to_shost(dev); | |
521 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
522 | struct lpfc_hba *phba = vport->phba; | |
523 | ||
524 | if (phba->sli_rev < LPFC_SLI_REV4) | |
525 | return snprintf(buf, PAGE_SIZE, "fc\n"); | |
526 | ||
527 | if (phba->sli4_hba.lnk_info.lnk_dv == LPFC_LNK_DAT_VAL) { | |
528 | if (phba->sli4_hba.lnk_info.lnk_tp == LPFC_LNK_TYPE_GE) | |
529 | return snprintf(buf, PAGE_SIZE, "fcoe\n"); | |
530 | if (phba->sli4_hba.lnk_info.lnk_tp == LPFC_LNK_TYPE_FC) | |
531 | return snprintf(buf, PAGE_SIZE, "fc\n"); | |
532 | } | |
533 | return snprintf(buf, PAGE_SIZE, "unknown\n"); | |
534 | } | |
535 | ||
1ba981fd JS |
536 | /** |
537 | * lpfc_oas_supported_show - Return whether or not Optimized Access Storage | |
538 | * (OAS) is supported. | |
539 | * @dev: class unused variable. | |
540 | * @attr: device attribute, not used. | |
541 | * @buf: on return contains the module description text. | |
542 | * | |
543 | * Returns: size of formatted string. | |
544 | **/ | |
545 | static ssize_t | |
546 | lpfc_oas_supported_show(struct device *dev, struct device_attribute *attr, | |
547 | char *buf) | |
548 | { | |
549 | struct Scsi_Host *shost = class_to_shost(dev); | |
550 | struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; | |
551 | struct lpfc_hba *phba = vport->phba; | |
552 | ||
553 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
554 | phba->sli4_hba.pc_sli4_params.oas_supported); | |
555 | } | |
556 | ||
84d1b006 JS |
557 | /** |
558 | * lpfc_link_state_store - Transition the link_state on an HBA port | |
559 | * @dev: class device that is converted into a Scsi_host. | |
560 | * @attr: device attribute, not used. | |
561 | * @buf: one or more lpfc_polling_flags values. | |
562 | * @count: not used. | |
563 | * | |
564 | * Returns: | |
565 | * -EINVAL if the buffer is not "up" or "down" | |
566 | * return from link state change function if non-zero | |
567 | * length of the buf on success | |
568 | **/ | |
569 | static ssize_t | |
570 | lpfc_link_state_store(struct device *dev, struct device_attribute *attr, | |
571 | const char *buf, size_t count) | |
572 | { | |
573 | struct Scsi_Host *shost = class_to_shost(dev); | |
574 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
575 | struct lpfc_hba *phba = vport->phba; | |
576 | ||
577 | int status = -EINVAL; | |
578 | ||
579 | if ((strncmp(buf, "up", sizeof("up") - 1) == 0) && | |
580 | (phba->link_state == LPFC_LINK_DOWN)) | |
6e7288d9 | 581 | status = phba->lpfc_hba_init_link(phba, MBX_NOWAIT); |
84d1b006 JS |
582 | else if ((strncmp(buf, "down", sizeof("down") - 1) == 0) && |
583 | (phba->link_state >= LPFC_LINK_UP)) | |
6e7288d9 | 584 | status = phba->lpfc_hba_down_link(phba, MBX_NOWAIT); |
84d1b006 JS |
585 | |
586 | if (status == 0) | |
587 | return strlen(buf); | |
588 | else | |
589 | return status; | |
590 | } | |
591 | ||
e59058c4 | 592 | /** |
3621a710 | 593 | * lpfc_num_discovered_ports_show - Return sum of mapped and unmapped vports |
e59058c4 JS |
594 | * @dev: class device that is converted into a Scsi_host. |
595 | * @attr: device attribute, not used. | |
596 | * @buf: on return contains the sum of fc mapped and unmapped. | |
597 | * | |
598 | * Description: | |
599 | * Returns the ascii text number of the sum of the fc mapped and unmapped | |
600 | * vport counts. | |
601 | * | |
602 | * Returns: size of formatted string. | |
603 | **/ | |
dea3101e | 604 | static ssize_t |
ee959b00 TJ |
605 | lpfc_num_discovered_ports_show(struct device *dev, |
606 | struct device_attribute *attr, char *buf) | |
dea3101e | 607 | { |
ee959b00 | 608 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
609 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
610 | ||
611 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
612 | vport->fc_map_cnt + vport->fc_unmap_cnt); | |
dea3101e JB |
613 | } |
614 | ||
e59058c4 | 615 | /** |
3621a710 | 616 | * lpfc_issue_lip - Misnomer, name carried over from long ago |
e59058c4 JS |
617 | * @shost: Scsi_Host pointer. |
618 | * | |
619 | * Description: | |
620 | * Bring the link down gracefully then re-init the link. The firmware will | |
621 | * re-init the fiber channel interface as required. Does not issue a LIP. | |
622 | * | |
623 | * Returns: | |
624 | * -EPERM port offline or management commands are being blocked | |
625 | * -ENOMEM cannot allocate memory for the mailbox command | |
626 | * -EIO error sending the mailbox command | |
627 | * zero for success | |
628 | **/ | |
91ca7b01 | 629 | static int |
2e0fef85 | 630 | lpfc_issue_lip(struct Scsi_Host *shost) |
dea3101e | 631 | { |
2e0fef85 JS |
632 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
633 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
634 | LPFC_MBOXQ_t *pmboxq; |
635 | int mbxstatus = MBXERR_ERROR; | |
636 | ||
2e0fef85 | 637 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
83108bd3 | 638 | (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)) |
dea3101e JB |
639 | return -EPERM; |
640 | ||
641 | pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL); | |
642 | ||
643 | if (!pmboxq) | |
644 | return -ENOMEM; | |
645 | ||
646 | memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t)); | |
04c68496 JS |
647 | pmboxq->u.mb.mbxCommand = MBX_DOWN_LINK; |
648 | pmboxq->u.mb.mbxOwner = OWN_HOST; | |
4db621e0 | 649 | |
33ccf8d1 | 650 | mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO * 2); |
dea3101e | 651 | |
04c68496 JS |
652 | if ((mbxstatus == MBX_SUCCESS) && |
653 | (pmboxq->u.mb.mbxStatus == 0 || | |
654 | pmboxq->u.mb.mbxStatus == MBXERR_LINK_DOWN)) { | |
4db621e0 JS |
655 | memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t)); |
656 | lpfc_init_link(phba, pmboxq, phba->cfg_topology, | |
657 | phba->cfg_link_speed); | |
658 | mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, | |
659 | phba->fc_ratov * 2); | |
dcf2a4e0 JS |
660 | if ((mbxstatus == MBX_SUCCESS) && |
661 | (pmboxq->u.mb.mbxStatus == MBXERR_SEC_NO_PERMISSION)) | |
662 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
663 | "2859 SLI authentication is required " | |
664 | "for INIT_LINK but has not done yet\n"); | |
4db621e0 JS |
665 | } |
666 | ||
5b8bd0c9 | 667 | lpfc_set_loopback_flag(phba); |
858c9f6c | 668 | if (mbxstatus != MBX_TIMEOUT) |
433c3579 | 669 | mempool_free(pmboxq, phba->mbox_mem_pool); |
dea3101e JB |
670 | |
671 | if (mbxstatus == MBXERR_ERROR) | |
672 | return -EIO; | |
673 | ||
91ca7b01 | 674 | return 0; |
dea3101e JB |
675 | } |
676 | ||
e59058c4 | 677 | /** |
3621a710 | 678 | * lpfc_do_offline - Issues a mailbox command to bring the link down |
e59058c4 JS |
679 | * @phba: lpfc_hba pointer. |
680 | * @type: LPFC_EVT_OFFLINE, LPFC_EVT_WARM_START, LPFC_EVT_KILL. | |
681 | * | |
682 | * Notes: | |
683 | * Assumes any error from lpfc_do_offline() will be negative. | |
684 | * Can wait up to 5 seconds for the port ring buffers count | |
685 | * to reach zero, prints a warning if it is not zero and continues. | |
3621a710 | 686 | * lpfc_workq_post_event() returns a non-zero return code if call fails. |
e59058c4 JS |
687 | * |
688 | * Returns: | |
689 | * -EIO error posting the event | |
690 | * zero for success | |
691 | **/ | |
40496f07 | 692 | static int |
46fa311e | 693 | lpfc_do_offline(struct lpfc_hba *phba, uint32_t type) |
40496f07 JS |
694 | { |
695 | struct completion online_compl; | |
46fa311e JS |
696 | struct lpfc_sli_ring *pring; |
697 | struct lpfc_sli *psli; | |
40496f07 | 698 | int status = 0; |
46fa311e JS |
699 | int cnt = 0; |
700 | int i; | |
fedd3b7b | 701 | int rc; |
40496f07 JS |
702 | |
703 | init_completion(&online_compl); | |
fedd3b7b | 704 | rc = lpfc_workq_post_event(phba, &status, &online_compl, |
46fa311e | 705 | LPFC_EVT_OFFLINE_PREP); |
fedd3b7b JS |
706 | if (rc == 0) |
707 | return -ENOMEM; | |
708 | ||
46fa311e JS |
709 | wait_for_completion(&online_compl); |
710 | ||
711 | if (status != 0) | |
712 | return -EIO; | |
713 | ||
714 | psli = &phba->sli; | |
715 | ||
09372820 JS |
716 | /* Wait a little for things to settle down, but not |
717 | * long enough for dev loss timeout to expire. | |
718 | */ | |
46fa311e JS |
719 | for (i = 0; i < psli->num_rings; i++) { |
720 | pring = &psli->ring[i]; | |
0e9bb8d7 | 721 | while (!list_empty(&pring->txcmplq)) { |
46fa311e | 722 | msleep(10); |
09372820 | 723 | if (cnt++ > 500) { /* 5 secs */ |
46fa311e JS |
724 | lpfc_printf_log(phba, |
725 | KERN_WARNING, LOG_INIT, | |
e8b62011 JS |
726 | "0466 Outstanding IO when " |
727 | "bringing Adapter offline\n"); | |
46fa311e JS |
728 | break; |
729 | } | |
730 | } | |
731 | } | |
732 | ||
733 | init_completion(&online_compl); | |
fedd3b7b JS |
734 | rc = lpfc_workq_post_event(phba, &status, &online_compl, type); |
735 | if (rc == 0) | |
736 | return -ENOMEM; | |
737 | ||
40496f07 JS |
738 | wait_for_completion(&online_compl); |
739 | ||
740 | if (status != 0) | |
741 | return -EIO; | |
742 | ||
46fa311e JS |
743 | return 0; |
744 | } | |
745 | ||
e59058c4 | 746 | /** |
3621a710 | 747 | * lpfc_selective_reset - Offline then onlines the port |
e59058c4 JS |
748 | * @phba: lpfc_hba pointer. |
749 | * | |
750 | * Description: | |
751 | * If the port is configured to allow a reset then the hba is brought | |
752 | * offline then online. | |
753 | * | |
754 | * Notes: | |
755 | * Assumes any error from lpfc_do_offline() will be negative. | |
ab56dc2e | 756 | * Do not make this function static. |
e59058c4 JS |
757 | * |
758 | * Returns: | |
759 | * lpfc_do_offline() return code if not zero | |
760 | * -EIO reset not configured or error posting the event | |
761 | * zero for success | |
762 | **/ | |
7f86059a | 763 | int |
46fa311e JS |
764 | lpfc_selective_reset(struct lpfc_hba *phba) |
765 | { | |
766 | struct completion online_compl; | |
767 | int status = 0; | |
fedd3b7b | 768 | int rc; |
46fa311e | 769 | |
71157c9e | 770 | if (!phba->cfg_enable_hba_reset) |
f7a919b4 | 771 | return -EACCES; |
13815c83 | 772 | |
71157c9e JS |
773 | if (!(phba->pport->fc_flag & FC_OFFLINE_MODE)) { |
774 | status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); | |
46fa311e | 775 | |
71157c9e JS |
776 | if (status != 0) |
777 | return status; | |
778 | } | |
46fa311e | 779 | |
40496f07 | 780 | init_completion(&online_compl); |
fedd3b7b | 781 | rc = lpfc_workq_post_event(phba, &status, &online_compl, |
40496f07 | 782 | LPFC_EVT_ONLINE); |
fedd3b7b JS |
783 | if (rc == 0) |
784 | return -ENOMEM; | |
785 | ||
40496f07 JS |
786 | wait_for_completion(&online_compl); |
787 | ||
788 | if (status != 0) | |
789 | return -EIO; | |
790 | ||
791 | return 0; | |
792 | } | |
793 | ||
e59058c4 | 794 | /** |
3621a710 | 795 | * lpfc_issue_reset - Selectively resets an adapter |
e59058c4 JS |
796 | * @dev: class device that is converted into a Scsi_host. |
797 | * @attr: device attribute, not used. | |
798 | * @buf: containing the string "selective". | |
799 | * @count: unused variable. | |
800 | * | |
801 | * Description: | |
802 | * If the buf contains the string "selective" then lpfc_selective_reset() | |
803 | * is called to perform the reset. | |
804 | * | |
805 | * Notes: | |
806 | * Assumes any error from lpfc_selective_reset() will be negative. | |
807 | * If lpfc_selective_reset() returns zero then the length of the buffer | |
af901ca1 | 808 | * is returned which indicates success |
e59058c4 JS |
809 | * |
810 | * Returns: | |
811 | * -EINVAL if the buffer does not contain the string "selective" | |
812 | * length of buf if lpfc-selective_reset() if the call succeeds | |
813 | * return value of lpfc_selective_reset() if the call fails | |
814 | **/ | |
40496f07 | 815 | static ssize_t |
ee959b00 TJ |
816 | lpfc_issue_reset(struct device *dev, struct device_attribute *attr, |
817 | const char *buf, size_t count) | |
40496f07 | 818 | { |
ee959b00 | 819 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
820 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
821 | struct lpfc_hba *phba = vport->phba; | |
40496f07 JS |
822 | int status = -EINVAL; |
823 | ||
73d91e50 JS |
824 | if (!phba->cfg_enable_hba_reset) |
825 | return -EACCES; | |
826 | ||
40496f07 | 827 | if (strncmp(buf, "selective", sizeof("selective") - 1) == 0) |
7f86059a | 828 | status = phba->lpfc_selective_reset(phba); |
40496f07 JS |
829 | |
830 | if (status == 0) | |
831 | return strlen(buf); | |
832 | else | |
833 | return status; | |
834 | } | |
835 | ||
88a2cfbb JS |
836 | /** |
837 | * lpfc_sli4_pdev_status_reg_wait - Wait for pdev status register for readyness | |
838 | * @phba: lpfc_hba pointer. | |
839 | * | |
840 | * Description: | |
841 | * SLI4 interface type-2 device to wait on the sliport status register for | |
842 | * the readyness after performing a firmware reset. | |
843 | * | |
844 | * Returns: | |
0b1587b1 | 845 | * zero for success, -EPERM when port does not have privilege to perform the |
026abb87 JS |
846 | * reset, -EIO when port timeout from recovering from the reset. |
847 | * | |
848 | * Note: | |
849 | * As the caller will interpret the return code by value, be careful in making | |
850 | * change or addition to return codes. | |
88a2cfbb | 851 | **/ |
73d91e50 | 852 | int |
88a2cfbb JS |
853 | lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *phba) |
854 | { | |
f7a919b4 | 855 | struct lpfc_register portstat_reg = {0}; |
88a2cfbb JS |
856 | int i; |
857 | ||
f7a919b4 | 858 | msleep(100); |
88a2cfbb JS |
859 | lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr, |
860 | &portstat_reg.word0); | |
861 | ||
0b1587b1 | 862 | /* verify if privileged for the request operation */ |
f7a919b4 JS |
863 | if (!bf_get(lpfc_sliport_status_rn, &portstat_reg) && |
864 | !bf_get(lpfc_sliport_status_err, &portstat_reg)) | |
865 | return -EPERM; | |
866 | ||
88a2cfbb JS |
867 | /* wait for the SLI port firmware ready after firmware reset */ |
868 | for (i = 0; i < LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT; i++) { | |
869 | msleep(10); | |
870 | lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr, | |
871 | &portstat_reg.word0); | |
872 | if (!bf_get(lpfc_sliport_status_err, &portstat_reg)) | |
873 | continue; | |
874 | if (!bf_get(lpfc_sliport_status_rn, &portstat_reg)) | |
875 | continue; | |
876 | if (!bf_get(lpfc_sliport_status_rdy, &portstat_reg)) | |
877 | continue; | |
878 | break; | |
879 | } | |
880 | ||
881 | if (i < LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT) | |
882 | return 0; | |
883 | else | |
884 | return -EIO; | |
885 | } | |
886 | ||
c0c11512 | 887 | /** |
52d52440 | 888 | * lpfc_sli4_pdev_reg_request - Request physical dev to perform a register acc |
c0c11512 JS |
889 | * @phba: lpfc_hba pointer. |
890 | * | |
891 | * Description: | |
52d52440 JS |
892 | * Request SLI4 interface type-2 device to perform a physical register set |
893 | * access. | |
c0c11512 JS |
894 | * |
895 | * Returns: | |
896 | * zero for success | |
897 | **/ | |
898 | static ssize_t | |
52d52440 | 899 | lpfc_sli4_pdev_reg_request(struct lpfc_hba *phba, uint32_t opcode) |
c0c11512 JS |
900 | { |
901 | struct completion online_compl; | |
b76f2dc9 | 902 | struct pci_dev *pdev = phba->pcidev; |
026abb87 JS |
903 | uint32_t before_fc_flag; |
904 | uint32_t sriov_nr_virtfn; | |
c0c11512 | 905 | uint32_t reg_val; |
026abb87 JS |
906 | int status = 0, rc = 0; |
907 | int job_posted = 1, sriov_err; | |
c0c11512 JS |
908 | |
909 | if (!phba->cfg_enable_hba_reset) | |
f7a919b4 | 910 | return -EACCES; |
c0c11512 | 911 | |
52d52440 JS |
912 | if ((phba->sli_rev < LPFC_SLI_REV4) || |
913 | (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) != | |
914 | LPFC_SLI_INTF_IF_TYPE_2)) | |
915 | return -EPERM; | |
916 | ||
026abb87 JS |
917 | /* Keep state if we need to restore back */ |
918 | before_fc_flag = phba->pport->fc_flag; | |
919 | sriov_nr_virtfn = phba->cfg_sriov_nr_virtfn; | |
920 | ||
b76f2dc9 JS |
921 | /* Disable SR-IOV virtual functions if enabled */ |
922 | if (phba->cfg_sriov_nr_virtfn) { | |
923 | pci_disable_sriov(pdev); | |
924 | phba->cfg_sriov_nr_virtfn = 0; | |
925 | } | |
229adb0e | 926 | |
0293635e JS |
927 | if (opcode == LPFC_FW_DUMP) |
928 | phba->hba_flag |= HBA_FW_DUMP_OP; | |
929 | ||
c0c11512 JS |
930 | status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); |
931 | ||
0293635e JS |
932 | if (status != 0) { |
933 | phba->hba_flag &= ~HBA_FW_DUMP_OP; | |
c0c11512 | 934 | return status; |
0293635e | 935 | } |
c0c11512 JS |
936 | |
937 | /* wait for the device to be quiesced before firmware reset */ | |
938 | msleep(100); | |
939 | ||
940 | reg_val = readl(phba->sli4_hba.conf_regs_memmap_p + | |
941 | LPFC_CTL_PDEV_CTL_OFFSET); | |
52d52440 JS |
942 | |
943 | if (opcode == LPFC_FW_DUMP) | |
944 | reg_val |= LPFC_FW_DUMP_REQUEST; | |
945 | else if (opcode == LPFC_FW_RESET) | |
946 | reg_val |= LPFC_CTL_PDEV_CTL_FRST; | |
947 | else if (opcode == LPFC_DV_RESET) | |
948 | reg_val |= LPFC_CTL_PDEV_CTL_DRST; | |
949 | ||
c0c11512 JS |
950 | writel(reg_val, phba->sli4_hba.conf_regs_memmap_p + |
951 | LPFC_CTL_PDEV_CTL_OFFSET); | |
952 | /* flush */ | |
953 | readl(phba->sli4_hba.conf_regs_memmap_p + LPFC_CTL_PDEV_CTL_OFFSET); | |
954 | ||
955 | /* delay driver action following IF_TYPE_2 reset */ | |
88a2cfbb JS |
956 | rc = lpfc_sli4_pdev_status_reg_wait(phba); |
957 | ||
026abb87 | 958 | if (rc == -EPERM) { |
0b1587b1 | 959 | /* no privilege for reset */ |
6b5151fd | 960 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
0b1587b1 | 961 | "3150 No privilege to perform the requested " |
6b5151fd | 962 | "access: x%x\n", reg_val); |
026abb87 JS |
963 | } else if (rc == -EIO) { |
964 | /* reset failed, there is nothing more we can do */ | |
6b5151fd JS |
965 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
966 | "3153 Fail to perform the requested " | |
967 | "access: x%x\n", reg_val); | |
f7a919b4 | 968 | return rc; |
026abb87 JS |
969 | } |
970 | ||
971 | /* keep the original port state */ | |
972 | if (before_fc_flag & FC_OFFLINE_MODE) | |
973 | goto out; | |
c0c11512 JS |
974 | |
975 | init_completion(&online_compl); | |
026abb87 JS |
976 | job_posted = lpfc_workq_post_event(phba, &status, &online_compl, |
977 | LPFC_EVT_ONLINE); | |
978 | if (!job_posted) | |
979 | goto out; | |
c0c11512 JS |
980 | |
981 | wait_for_completion(&online_compl); | |
982 | ||
026abb87 JS |
983 | out: |
984 | /* in any case, restore the virtual functions enabled as before */ | |
985 | if (sriov_nr_virtfn) { | |
986 | sriov_err = | |
987 | lpfc_sli_probe_sriov_nr_virtfn(phba, sriov_nr_virtfn); | |
988 | if (!sriov_err) | |
989 | phba->cfg_sriov_nr_virtfn = sriov_nr_virtfn; | |
990 | } | |
c0c11512 | 991 | |
026abb87 JS |
992 | /* return proper error code */ |
993 | if (!rc) { | |
994 | if (!job_posted) | |
995 | rc = -ENOMEM; | |
996 | else if (status) | |
997 | rc = -EIO; | |
998 | } | |
999 | return rc; | |
c0c11512 JS |
1000 | } |
1001 | ||
e59058c4 | 1002 | /** |
3621a710 | 1003 | * lpfc_nport_evt_cnt_show - Return the number of nport events |
e59058c4 JS |
1004 | * @dev: class device that is converted into a Scsi_host. |
1005 | * @attr: device attribute, not used. | |
1006 | * @buf: on return contains the ascii number of nport events. | |
1007 | * | |
1008 | * Returns: size of formatted string. | |
1009 | **/ | |
dea3101e | 1010 | static ssize_t |
ee959b00 TJ |
1011 | lpfc_nport_evt_cnt_show(struct device *dev, struct device_attribute *attr, |
1012 | char *buf) | |
dea3101e | 1013 | { |
ee959b00 | 1014 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1015 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1016 | struct lpfc_hba *phba = vport->phba; | |
1017 | ||
dea3101e JB |
1018 | return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt); |
1019 | } | |
1020 | ||
e59058c4 | 1021 | /** |
3621a710 | 1022 | * lpfc_board_mode_show - Return the state of the board |
e59058c4 JS |
1023 | * @dev: class device that is converted into a Scsi_host. |
1024 | * @attr: device attribute, not used. | |
1025 | * @buf: on return contains the state of the adapter. | |
1026 | * | |
1027 | * Returns: size of formatted string. | |
1028 | **/ | |
41415862 | 1029 | static ssize_t |
ee959b00 TJ |
1030 | lpfc_board_mode_show(struct device *dev, struct device_attribute *attr, |
1031 | char *buf) | |
41415862 | 1032 | { |
ee959b00 | 1033 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1034 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1035 | struct lpfc_hba *phba = vport->phba; | |
41415862 JW |
1036 | char * state; |
1037 | ||
2e0fef85 | 1038 | if (phba->link_state == LPFC_HBA_ERROR) |
41415862 | 1039 | state = "error"; |
2e0fef85 | 1040 | else if (phba->link_state == LPFC_WARM_START) |
41415862 | 1041 | state = "warm start"; |
2e0fef85 | 1042 | else if (phba->link_state == LPFC_INIT_START) |
41415862 JW |
1043 | state = "offline"; |
1044 | else | |
1045 | state = "online"; | |
1046 | ||
1047 | return snprintf(buf, PAGE_SIZE, "%s\n", state); | |
1048 | } | |
1049 | ||
e59058c4 | 1050 | /** |
3621a710 | 1051 | * lpfc_board_mode_store - Puts the hba in online, offline, warm or error state |
e59058c4 JS |
1052 | * @dev: class device that is converted into a Scsi_host. |
1053 | * @attr: device attribute, not used. | |
1054 | * @buf: containing one of the strings "online", "offline", "warm" or "error". | |
1055 | * @count: unused variable. | |
1056 | * | |
1057 | * Returns: | |
1058 | * -EACCES if enable hba reset not enabled | |
1059 | * -EINVAL if the buffer does not contain a valid string (see above) | |
1060 | * -EIO if lpfc_workq_post_event() or lpfc_do_offline() fails | |
1061 | * buf length greater than zero indicates success | |
1062 | **/ | |
41415862 | 1063 | static ssize_t |
ee959b00 TJ |
1064 | lpfc_board_mode_store(struct device *dev, struct device_attribute *attr, |
1065 | const char *buf, size_t count) | |
41415862 | 1066 | { |
ee959b00 | 1067 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1068 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1069 | struct lpfc_hba *phba = vport->phba; | |
41415862 | 1070 | struct completion online_compl; |
026abb87 JS |
1071 | char *board_mode_str = NULL; |
1072 | int status = 0; | |
fedd3b7b | 1073 | int rc; |
41415862 | 1074 | |
026abb87 JS |
1075 | if (!phba->cfg_enable_hba_reset) { |
1076 | status = -EACCES; | |
1077 | goto board_mode_out; | |
1078 | } | |
88a2cfbb JS |
1079 | |
1080 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
026abb87 | 1081 | "3050 lpfc_board_mode set to %s\n", buf); |
88a2cfbb | 1082 | |
41415862 JW |
1083 | init_completion(&online_compl); |
1084 | ||
46fa311e | 1085 | if(strncmp(buf, "online", sizeof("online") - 1) == 0) { |
fedd3b7b | 1086 | rc = lpfc_workq_post_event(phba, &status, &online_compl, |
41415862 | 1087 | LPFC_EVT_ONLINE); |
026abb87 JS |
1088 | if (rc == 0) { |
1089 | status = -ENOMEM; | |
1090 | goto board_mode_out; | |
1091 | } | |
46fa311e JS |
1092 | wait_for_completion(&online_compl); |
1093 | } else if (strncmp(buf, "offline", sizeof("offline") - 1) == 0) | |
1094 | status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); | |
41415862 | 1095 | else if (strncmp(buf, "warm", sizeof("warm") - 1) == 0) |
6a9c52cf | 1096 | if (phba->sli_rev == LPFC_SLI_REV4) |
026abb87 | 1097 | status = -EINVAL; |
6a9c52cf JS |
1098 | else |
1099 | status = lpfc_do_offline(phba, LPFC_EVT_WARM_START); | |
46fa311e | 1100 | else if (strncmp(buf, "error", sizeof("error") - 1) == 0) |
6a9c52cf | 1101 | if (phba->sli_rev == LPFC_SLI_REV4) |
026abb87 | 1102 | status = -EINVAL; |
6a9c52cf JS |
1103 | else |
1104 | status = lpfc_do_offline(phba, LPFC_EVT_KILL); | |
c0c11512 | 1105 | else if (strncmp(buf, "dump", sizeof("dump") - 1) == 0) |
52d52440 JS |
1106 | status = lpfc_sli4_pdev_reg_request(phba, LPFC_FW_DUMP); |
1107 | else if (strncmp(buf, "fw_reset", sizeof("fw_reset") - 1) == 0) | |
1108 | status = lpfc_sli4_pdev_reg_request(phba, LPFC_FW_RESET); | |
1109 | else if (strncmp(buf, "dv_reset", sizeof("dv_reset") - 1) == 0) | |
1110 | status = lpfc_sli4_pdev_reg_request(phba, LPFC_DV_RESET); | |
41415862 | 1111 | else |
026abb87 | 1112 | status = -EINVAL; |
41415862 | 1113 | |
026abb87 | 1114 | board_mode_out: |
41415862 JW |
1115 | if (!status) |
1116 | return strlen(buf); | |
026abb87 JS |
1117 | else { |
1118 | board_mode_str = strchr(buf, '\n'); | |
1119 | if (board_mode_str) | |
1120 | *board_mode_str = '\0'; | |
1121 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
1122 | "3097 Failed \"%s\", status(%d), " | |
1123 | "fc_flag(x%x)\n", | |
1124 | buf, status, phba->pport->fc_flag); | |
f7a919b4 | 1125 | return status; |
026abb87 | 1126 | } |
41415862 JW |
1127 | } |
1128 | ||
e59058c4 | 1129 | /** |
3621a710 | 1130 | * lpfc_get_hba_info - Return various bits of informaton about the adapter |
e59058c4 | 1131 | * @phba: pointer to the adapter structure. |
3621a710 JS |
1132 | * @mxri: max xri count. |
1133 | * @axri: available xri count. | |
1134 | * @mrpi: max rpi count. | |
1135 | * @arpi: available rpi count. | |
1136 | * @mvpi: max vpi count. | |
1137 | * @avpi: available vpi count. | |
e59058c4 JS |
1138 | * |
1139 | * Description: | |
1140 | * If an integer pointer for an count is not null then the value for the | |
1141 | * count is returned. | |
1142 | * | |
1143 | * Returns: | |
1144 | * zero on error | |
1145 | * one for success | |
1146 | **/ | |
311464ec | 1147 | static int |
858c9f6c JS |
1148 | lpfc_get_hba_info(struct lpfc_hba *phba, |
1149 | uint32_t *mxri, uint32_t *axri, | |
1150 | uint32_t *mrpi, uint32_t *arpi, | |
1151 | uint32_t *mvpi, uint32_t *avpi) | |
92d7f7b0 | 1152 | { |
04c68496 | 1153 | struct lpfc_mbx_read_config *rd_config; |
92d7f7b0 JS |
1154 | LPFC_MBOXQ_t *pmboxq; |
1155 | MAILBOX_t *pmb; | |
1156 | int rc = 0; | |
15672319 | 1157 | uint32_t max_vpi; |
92d7f7b0 JS |
1158 | |
1159 | /* | |
1160 | * prevent udev from issuing mailbox commands until the port is | |
1161 | * configured. | |
1162 | */ | |
1163 | if (phba->link_state < LPFC_LINK_DOWN || | |
1164 | !phba->mbox_mem_pool || | |
f4b4c68f | 1165 | (phba->sli.sli_flag & LPFC_SLI_ACTIVE) == 0) |
92d7f7b0 JS |
1166 | return 0; |
1167 | ||
1168 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) | |
1169 | return 0; | |
1170 | ||
1171 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
1172 | if (!pmboxq) | |
1173 | return 0; | |
1174 | memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); | |
1175 | ||
04c68496 | 1176 | pmb = &pmboxq->u.mb; |
92d7f7b0 JS |
1177 | pmb->mbxCommand = MBX_READ_CONFIG; |
1178 | pmb->mbxOwner = OWN_HOST; | |
1179 | pmboxq->context1 = NULL; | |
1180 | ||
75baf696 | 1181 | if (phba->pport->fc_flag & FC_OFFLINE_MODE) |
92d7f7b0 JS |
1182 | rc = MBX_NOT_FINISHED; |
1183 | else | |
1184 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); | |
1185 | ||
1186 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 1187 | if (rc != MBX_TIMEOUT) |
92d7f7b0 JS |
1188 | mempool_free(pmboxq, phba->mbox_mem_pool); |
1189 | return 0; | |
1190 | } | |
1191 | ||
da0436e9 JS |
1192 | if (phba->sli_rev == LPFC_SLI_REV4) { |
1193 | rd_config = &pmboxq->u.mqe.un.rd_config; | |
1194 | if (mrpi) | |
1195 | *mrpi = bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config); | |
1196 | if (arpi) | |
1197 | *arpi = bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config) - | |
1198 | phba->sli4_hba.max_cfg_param.rpi_used; | |
1199 | if (mxri) | |
1200 | *mxri = bf_get(lpfc_mbx_rd_conf_xri_count, rd_config); | |
1201 | if (axri) | |
1202 | *axri = bf_get(lpfc_mbx_rd_conf_xri_count, rd_config) - | |
1203 | phba->sli4_hba.max_cfg_param.xri_used; | |
15672319 JS |
1204 | |
1205 | /* Account for differences with SLI-3. Get vpi count from | |
1206 | * mailbox data and subtract one for max vpi value. | |
1207 | */ | |
1208 | max_vpi = (bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) > 0) ? | |
1209 | (bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) - 1) : 0; | |
1210 | ||
da0436e9 | 1211 | if (mvpi) |
15672319 | 1212 | *mvpi = max_vpi; |
da0436e9 | 1213 | if (avpi) |
15672319 | 1214 | *avpi = max_vpi - phba->sli4_hba.max_cfg_param.vpi_used; |
da0436e9 JS |
1215 | } else { |
1216 | if (mrpi) | |
1217 | *mrpi = pmb->un.varRdConfig.max_rpi; | |
1218 | if (arpi) | |
1219 | *arpi = pmb->un.varRdConfig.avail_rpi; | |
1220 | if (mxri) | |
1221 | *mxri = pmb->un.varRdConfig.max_xri; | |
1222 | if (axri) | |
1223 | *axri = pmb->un.varRdConfig.avail_xri; | |
1224 | if (mvpi) | |
1225 | *mvpi = pmb->un.varRdConfig.max_vpi; | |
1226 | if (avpi) | |
1227 | *avpi = pmb->un.varRdConfig.avail_vpi; | |
1228 | } | |
92d7f7b0 JS |
1229 | |
1230 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
1231 | return 1; | |
1232 | } | |
1233 | ||
e59058c4 | 1234 | /** |
3621a710 | 1235 | * lpfc_max_rpi_show - Return maximum rpi |
e59058c4 JS |
1236 | * @dev: class device that is converted into a Scsi_host. |
1237 | * @attr: device attribute, not used. | |
1238 | * @buf: on return contains the maximum rpi count in decimal or "Unknown". | |
1239 | * | |
1240 | * Description: | |
1241 | * Calls lpfc_get_hba_info() asking for just the mrpi count. | |
1242 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
1243 | * to "Unknown" and the buffer length is returned, therefore the caller | |
1244 | * must check for "Unknown" in the buffer to detect a failure. | |
1245 | * | |
1246 | * Returns: size of formatted string. | |
1247 | **/ | |
92d7f7b0 | 1248 | static ssize_t |
ee959b00 TJ |
1249 | lpfc_max_rpi_show(struct device *dev, struct device_attribute *attr, |
1250 | char *buf) | |
92d7f7b0 | 1251 | { |
ee959b00 | 1252 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
1253 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1254 | struct lpfc_hba *phba = vport->phba; | |
1255 | uint32_t cnt; | |
1256 | ||
858c9f6c | 1257 | if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, NULL, NULL, NULL)) |
92d7f7b0 JS |
1258 | return snprintf(buf, PAGE_SIZE, "%d\n", cnt); |
1259 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1260 | } | |
1261 | ||
e59058c4 | 1262 | /** |
3621a710 | 1263 | * lpfc_used_rpi_show - Return maximum rpi minus available rpi |
e59058c4 JS |
1264 | * @dev: class device that is converted into a Scsi_host. |
1265 | * @attr: device attribute, not used. | |
1266 | * @buf: containing the used rpi count in decimal or "Unknown". | |
1267 | * | |
1268 | * Description: | |
1269 | * Calls lpfc_get_hba_info() asking for just the mrpi and arpi counts. | |
1270 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
1271 | * to "Unknown" and the buffer length is returned, therefore the caller | |
1272 | * must check for "Unknown" in the buffer to detect a failure. | |
1273 | * | |
1274 | * Returns: size of formatted string. | |
1275 | **/ | |
92d7f7b0 | 1276 | static ssize_t |
ee959b00 TJ |
1277 | lpfc_used_rpi_show(struct device *dev, struct device_attribute *attr, |
1278 | char *buf) | |
92d7f7b0 | 1279 | { |
ee959b00 | 1280 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
1281 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1282 | struct lpfc_hba *phba = vport->phba; | |
1283 | uint32_t cnt, acnt; | |
1284 | ||
858c9f6c | 1285 | if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, &acnt, NULL, NULL)) |
92d7f7b0 JS |
1286 | return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt)); |
1287 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1288 | } | |
1289 | ||
e59058c4 | 1290 | /** |
3621a710 | 1291 | * lpfc_max_xri_show - Return maximum xri |
e59058c4 JS |
1292 | * @dev: class device that is converted into a Scsi_host. |
1293 | * @attr: device attribute, not used. | |
1294 | * @buf: on return contains the maximum xri count in decimal or "Unknown". | |
1295 | * | |
1296 | * Description: | |
1297 | * Calls lpfc_get_hba_info() asking for just the mrpi count. | |
1298 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
1299 | * to "Unknown" and the buffer length is returned, therefore the caller | |
1300 | * must check for "Unknown" in the buffer to detect a failure. | |
1301 | * | |
1302 | * Returns: size of formatted string. | |
1303 | **/ | |
92d7f7b0 | 1304 | static ssize_t |
ee959b00 TJ |
1305 | lpfc_max_xri_show(struct device *dev, struct device_attribute *attr, |
1306 | char *buf) | |
92d7f7b0 | 1307 | { |
ee959b00 | 1308 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
1309 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1310 | struct lpfc_hba *phba = vport->phba; | |
1311 | uint32_t cnt; | |
1312 | ||
858c9f6c | 1313 | if (lpfc_get_hba_info(phba, &cnt, NULL, NULL, NULL, NULL, NULL)) |
92d7f7b0 JS |
1314 | return snprintf(buf, PAGE_SIZE, "%d\n", cnt); |
1315 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1316 | } | |
1317 | ||
e59058c4 | 1318 | /** |
3621a710 | 1319 | * lpfc_used_xri_show - Return maximum xpi minus the available xpi |
e59058c4 JS |
1320 | * @dev: class device that is converted into a Scsi_host. |
1321 | * @attr: device attribute, not used. | |
1322 | * @buf: on return contains the used xri count in decimal or "Unknown". | |
1323 | * | |
1324 | * Description: | |
1325 | * Calls lpfc_get_hba_info() asking for just the mxri and axri counts. | |
1326 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
1327 | * to "Unknown" and the buffer length is returned, therefore the caller | |
1328 | * must check for "Unknown" in the buffer to detect a failure. | |
1329 | * | |
1330 | * Returns: size of formatted string. | |
1331 | **/ | |
92d7f7b0 | 1332 | static ssize_t |
ee959b00 TJ |
1333 | lpfc_used_xri_show(struct device *dev, struct device_attribute *attr, |
1334 | char *buf) | |
92d7f7b0 | 1335 | { |
ee959b00 | 1336 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
1337 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1338 | struct lpfc_hba *phba = vport->phba; | |
1339 | uint32_t cnt, acnt; | |
1340 | ||
858c9f6c JS |
1341 | if (lpfc_get_hba_info(phba, &cnt, &acnt, NULL, NULL, NULL, NULL)) |
1342 | return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt)); | |
1343 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1344 | } | |
1345 | ||
e59058c4 | 1346 | /** |
3621a710 | 1347 | * lpfc_max_vpi_show - Return maximum vpi |
e59058c4 JS |
1348 | * @dev: class device that is converted into a Scsi_host. |
1349 | * @attr: device attribute, not used. | |
1350 | * @buf: on return contains the maximum vpi count in decimal or "Unknown". | |
1351 | * | |
1352 | * Description: | |
1353 | * Calls lpfc_get_hba_info() asking for just the mvpi count. | |
1354 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
1355 | * to "Unknown" and the buffer length is returned, therefore the caller | |
1356 | * must check for "Unknown" in the buffer to detect a failure. | |
1357 | * | |
1358 | * Returns: size of formatted string. | |
1359 | **/ | |
858c9f6c | 1360 | static ssize_t |
ee959b00 TJ |
1361 | lpfc_max_vpi_show(struct device *dev, struct device_attribute *attr, |
1362 | char *buf) | |
858c9f6c | 1363 | { |
ee959b00 | 1364 | struct Scsi_Host *shost = class_to_shost(dev); |
858c9f6c JS |
1365 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1366 | struct lpfc_hba *phba = vport->phba; | |
1367 | uint32_t cnt; | |
1368 | ||
1369 | if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, NULL)) | |
1370 | return snprintf(buf, PAGE_SIZE, "%d\n", cnt); | |
1371 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1372 | } | |
1373 | ||
e59058c4 | 1374 | /** |
3621a710 | 1375 | * lpfc_used_vpi_show - Return maximum vpi minus the available vpi |
e59058c4 JS |
1376 | * @dev: class device that is converted into a Scsi_host. |
1377 | * @attr: device attribute, not used. | |
1378 | * @buf: on return contains the used vpi count in decimal or "Unknown". | |
1379 | * | |
1380 | * Description: | |
1381 | * Calls lpfc_get_hba_info() asking for just the mvpi and avpi counts. | |
1382 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
1383 | * to "Unknown" and the buffer length is returned, therefore the caller | |
1384 | * must check for "Unknown" in the buffer to detect a failure. | |
1385 | * | |
1386 | * Returns: size of formatted string. | |
1387 | **/ | |
858c9f6c | 1388 | static ssize_t |
ee959b00 TJ |
1389 | lpfc_used_vpi_show(struct device *dev, struct device_attribute *attr, |
1390 | char *buf) | |
858c9f6c | 1391 | { |
ee959b00 | 1392 | struct Scsi_Host *shost = class_to_shost(dev); |
858c9f6c JS |
1393 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1394 | struct lpfc_hba *phba = vport->phba; | |
1395 | uint32_t cnt, acnt; | |
1396 | ||
1397 | if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, &acnt)) | |
92d7f7b0 JS |
1398 | return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt)); |
1399 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1400 | } | |
1401 | ||
e59058c4 | 1402 | /** |
3621a710 | 1403 | * lpfc_npiv_info_show - Return text about NPIV support for the adapter |
e59058c4 JS |
1404 | * @dev: class device that is converted into a Scsi_host. |
1405 | * @attr: device attribute, not used. | |
1406 | * @buf: text that must be interpreted to determine if npiv is supported. | |
1407 | * | |
1408 | * Description: | |
1409 | * Buffer will contain text indicating npiv is not suppoerted on the port, | |
1410 | * the port is an NPIV physical port, or it is an npiv virtual port with | |
1411 | * the id of the vport. | |
1412 | * | |
1413 | * Returns: size of formatted string. | |
1414 | **/ | |
92d7f7b0 | 1415 | static ssize_t |
ee959b00 TJ |
1416 | lpfc_npiv_info_show(struct device *dev, struct device_attribute *attr, |
1417 | char *buf) | |
92d7f7b0 | 1418 | { |
ee959b00 | 1419 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
1420 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1421 | struct lpfc_hba *phba = vport->phba; | |
1422 | ||
1423 | if (!(phba->max_vpi)) | |
1424 | return snprintf(buf, PAGE_SIZE, "NPIV Not Supported\n"); | |
1425 | if (vport->port_type == LPFC_PHYSICAL_PORT) | |
1426 | return snprintf(buf, PAGE_SIZE, "NPIV Physical\n"); | |
1427 | return snprintf(buf, PAGE_SIZE, "NPIV Virtual (VPI %d)\n", vport->vpi); | |
1428 | } | |
1429 | ||
e59058c4 | 1430 | /** |
3621a710 | 1431 | * lpfc_poll_show - Return text about poll support for the adapter |
e59058c4 JS |
1432 | * @dev: class device that is converted into a Scsi_host. |
1433 | * @attr: device attribute, not used. | |
1434 | * @buf: on return contains the cfg_poll in hex. | |
1435 | * | |
1436 | * Notes: | |
1437 | * cfg_poll should be a lpfc_polling_flags type. | |
1438 | * | |
1439 | * Returns: size of formatted string. | |
1440 | **/ | |
875fbdfe | 1441 | static ssize_t |
ee959b00 TJ |
1442 | lpfc_poll_show(struct device *dev, struct device_attribute *attr, |
1443 | char *buf) | |
875fbdfe | 1444 | { |
ee959b00 | 1445 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1446 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1447 | struct lpfc_hba *phba = vport->phba; | |
875fbdfe JSEC |
1448 | |
1449 | return snprintf(buf, PAGE_SIZE, "%#x\n", phba->cfg_poll); | |
1450 | } | |
1451 | ||
e59058c4 | 1452 | /** |
3621a710 | 1453 | * lpfc_poll_store - Set the value of cfg_poll for the adapter |
e59058c4 JS |
1454 | * @dev: class device that is converted into a Scsi_host. |
1455 | * @attr: device attribute, not used. | |
1456 | * @buf: one or more lpfc_polling_flags values. | |
1457 | * @count: not used. | |
1458 | * | |
1459 | * Notes: | |
1460 | * buf contents converted to integer and checked for a valid value. | |
1461 | * | |
1462 | * Returns: | |
1463 | * -EINVAL if the buffer connot be converted or is out of range | |
1464 | * length of the buf on success | |
1465 | **/ | |
875fbdfe | 1466 | static ssize_t |
ee959b00 TJ |
1467 | lpfc_poll_store(struct device *dev, struct device_attribute *attr, |
1468 | const char *buf, size_t count) | |
875fbdfe | 1469 | { |
ee959b00 | 1470 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1471 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1472 | struct lpfc_hba *phba = vport->phba; | |
875fbdfe JSEC |
1473 | uint32_t creg_val; |
1474 | uint32_t old_val; | |
1475 | int val=0; | |
1476 | ||
1477 | if (!isdigit(buf[0])) | |
1478 | return -EINVAL; | |
1479 | ||
1480 | if (sscanf(buf, "%i", &val) != 1) | |
1481 | return -EINVAL; | |
1482 | ||
1483 | if ((val & 0x3) != val) | |
1484 | return -EINVAL; | |
1485 | ||
45ed1190 JS |
1486 | if (phba->sli_rev == LPFC_SLI_REV4) |
1487 | val = 0; | |
1488 | ||
88a2cfbb JS |
1489 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
1490 | "3051 lpfc_poll changed from %d to %d\n", | |
1491 | phba->cfg_poll, val); | |
1492 | ||
2e0fef85 | 1493 | spin_lock_irq(&phba->hbalock); |
875fbdfe JSEC |
1494 | |
1495 | old_val = phba->cfg_poll; | |
1496 | ||
1497 | if (val & ENABLE_FCP_RING_POLLING) { | |
1498 | if ((val & DISABLE_FCP_RING_INT) && | |
1499 | !(old_val & DISABLE_FCP_RING_INT)) { | |
9940b97b JS |
1500 | if (lpfc_readl(phba->HCregaddr, &creg_val)) { |
1501 | spin_unlock_irq(&phba->hbalock); | |
1502 | return -EINVAL; | |
1503 | } | |
875fbdfe JSEC |
1504 | creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING); |
1505 | writel(creg_val, phba->HCregaddr); | |
1506 | readl(phba->HCregaddr); /* flush */ | |
1507 | ||
1508 | lpfc_poll_start_timer(phba); | |
1509 | } | |
1510 | } else if (val != 0x0) { | |
2e0fef85 | 1511 | spin_unlock_irq(&phba->hbalock); |
875fbdfe JSEC |
1512 | return -EINVAL; |
1513 | } | |
1514 | ||
1515 | if (!(val & DISABLE_FCP_RING_INT) && | |
1516 | (old_val & DISABLE_FCP_RING_INT)) | |
1517 | { | |
2e0fef85 | 1518 | spin_unlock_irq(&phba->hbalock); |
875fbdfe | 1519 | del_timer(&phba->fcp_poll_timer); |
2e0fef85 | 1520 | spin_lock_irq(&phba->hbalock); |
9940b97b JS |
1521 | if (lpfc_readl(phba->HCregaddr, &creg_val)) { |
1522 | spin_unlock_irq(&phba->hbalock); | |
1523 | return -EINVAL; | |
1524 | } | |
875fbdfe JSEC |
1525 | creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING); |
1526 | writel(creg_val, phba->HCregaddr); | |
1527 | readl(phba->HCregaddr); /* flush */ | |
1528 | } | |
1529 | ||
1530 | phba->cfg_poll = val; | |
1531 | ||
2e0fef85 | 1532 | spin_unlock_irq(&phba->hbalock); |
875fbdfe JSEC |
1533 | |
1534 | return strlen(buf); | |
1535 | } | |
dea3101e | 1536 | |
bc73905a JS |
1537 | /** |
1538 | * lpfc_fips_level_show - Return the current FIPS level for the HBA | |
1539 | * @dev: class unused variable. | |
1540 | * @attr: device attribute, not used. | |
1541 | * @buf: on return contains the module description text. | |
1542 | * | |
1543 | * Returns: size of formatted string. | |
1544 | **/ | |
1545 | static ssize_t | |
1546 | lpfc_fips_level_show(struct device *dev, struct device_attribute *attr, | |
1547 | char *buf) | |
1548 | { | |
1549 | struct Scsi_Host *shost = class_to_shost(dev); | |
1550 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
1551 | struct lpfc_hba *phba = vport->phba; | |
1552 | ||
1553 | return snprintf(buf, PAGE_SIZE, "%d\n", phba->fips_level); | |
1554 | } | |
1555 | ||
1556 | /** | |
1557 | * lpfc_fips_rev_show - Return the FIPS Spec revision for the HBA | |
1558 | * @dev: class unused variable. | |
1559 | * @attr: device attribute, not used. | |
1560 | * @buf: on return contains the module description text. | |
1561 | * | |
1562 | * Returns: size of formatted string. | |
1563 | **/ | |
1564 | static ssize_t | |
1565 | lpfc_fips_rev_show(struct device *dev, struct device_attribute *attr, | |
1566 | char *buf) | |
1567 | { | |
1568 | struct Scsi_Host *shost = class_to_shost(dev); | |
1569 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
1570 | struct lpfc_hba *phba = vport->phba; | |
1571 | ||
1572 | return snprintf(buf, PAGE_SIZE, "%d\n", phba->fips_spec_rev); | |
1573 | } | |
1574 | ||
ab56dc2e JS |
1575 | /** |
1576 | * lpfc_dss_show - Return the current state of dss and the configured state | |
1577 | * @dev: class converted to a Scsi_host structure. | |
1578 | * @attr: device attribute, not used. | |
1579 | * @buf: on return contains the formatted text. | |
1580 | * | |
1581 | * Returns: size of formatted string. | |
1582 | **/ | |
1583 | static ssize_t | |
1584 | lpfc_dss_show(struct device *dev, struct device_attribute *attr, | |
1585 | char *buf) | |
1586 | { | |
1587 | struct Scsi_Host *shost = class_to_shost(dev); | |
1588 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
1589 | struct lpfc_hba *phba = vport->phba; | |
1590 | ||
1591 | return snprintf(buf, PAGE_SIZE, "%s - %sOperational\n", | |
1592 | (phba->cfg_enable_dss) ? "Enabled" : "Disabled", | |
1593 | (phba->sli3_options & LPFC_SLI3_DSS_ENABLED) ? | |
1594 | "" : "Not "); | |
1595 | } | |
1596 | ||
912e3acd JS |
1597 | /** |
1598 | * lpfc_sriov_hw_max_virtfn_show - Return maximum number of virtual functions | |
1599 | * @dev: class converted to a Scsi_host structure. | |
1600 | * @attr: device attribute, not used. | |
1601 | * @buf: on return contains the formatted support level. | |
1602 | * | |
1603 | * Description: | |
1604 | * Returns the maximum number of virtual functions a physical function can | |
1605 | * support, 0 will be returned if called on virtual function. | |
1606 | * | |
1607 | * Returns: size of formatted string. | |
1608 | **/ | |
1609 | static ssize_t | |
1610 | lpfc_sriov_hw_max_virtfn_show(struct device *dev, | |
1611 | struct device_attribute *attr, | |
1612 | char *buf) | |
1613 | { | |
1614 | struct Scsi_Host *shost = class_to_shost(dev); | |
1615 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
1616 | struct lpfc_hba *phba = vport->phba; | |
0a96e975 | 1617 | uint16_t max_nr_virtfn; |
912e3acd | 1618 | |
0a96e975 JS |
1619 | max_nr_virtfn = lpfc_sli_sriov_nr_virtfn_get(phba); |
1620 | return snprintf(buf, PAGE_SIZE, "%d\n", max_nr_virtfn); | |
912e3acd JS |
1621 | } |
1622 | ||
e59058c4 | 1623 | /** |
3621a710 | 1624 | * lpfc_param_show - Return a cfg attribute value in decimal |
e59058c4 JS |
1625 | * |
1626 | * Description: | |
1627 | * Macro that given an attr e.g. hba_queue_depth expands | |
1628 | * into a function with the name lpfc_hba_queue_depth_show. | |
1629 | * | |
1630 | * lpfc_##attr##_show: Return the decimal value of an adapters cfg_xxx field. | |
1631 | * @dev: class device that is converted into a Scsi_host. | |
1632 | * @attr: device attribute, not used. | |
1633 | * @buf: on return contains the attribute value in decimal. | |
1634 | * | |
1635 | * Returns: size of formatted string. | |
1636 | **/ | |
dea3101e JB |
1637 | #define lpfc_param_show(attr) \ |
1638 | static ssize_t \ | |
ee959b00 TJ |
1639 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
1640 | char *buf) \ | |
dea3101e | 1641 | { \ |
ee959b00 | 1642 | struct Scsi_Host *shost = class_to_shost(dev);\ |
2e0fef85 JS |
1643 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
1644 | struct lpfc_hba *phba = vport->phba;\ | |
7bcbb752 JSEC |
1645 | return snprintf(buf, PAGE_SIZE, "%d\n",\ |
1646 | phba->cfg_##attr);\ | |
1647 | } | |
1648 | ||
e59058c4 | 1649 | /** |
3621a710 | 1650 | * lpfc_param_hex_show - Return a cfg attribute value in hex |
e59058c4 JS |
1651 | * |
1652 | * Description: | |
1653 | * Macro that given an attr e.g. hba_queue_depth expands | |
1654 | * into a function with the name lpfc_hba_queue_depth_show | |
1655 | * | |
1656 | * lpfc_##attr##_show: Return the hex value of an adapters cfg_xxx field. | |
1657 | * @dev: class device that is converted into a Scsi_host. | |
1658 | * @attr: device attribute, not used. | |
3621a710 | 1659 | * @buf: on return contains the attribute value in hexadecimal. |
e59058c4 JS |
1660 | * |
1661 | * Returns: size of formatted string. | |
1662 | **/ | |
93a20f74 JSEC |
1663 | #define lpfc_param_hex_show(attr) \ |
1664 | static ssize_t \ | |
ee959b00 TJ |
1665 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
1666 | char *buf) \ | |
93a20f74 | 1667 | { \ |
ee959b00 | 1668 | struct Scsi_Host *shost = class_to_shost(dev);\ |
2e0fef85 JS |
1669 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
1670 | struct lpfc_hba *phba = vport->phba;\ | |
84d1b006 | 1671 | uint val = 0;\ |
93a20f74 JSEC |
1672 | val = phba->cfg_##attr;\ |
1673 | return snprintf(buf, PAGE_SIZE, "%#x\n",\ | |
1674 | phba->cfg_##attr);\ | |
1675 | } | |
1676 | ||
e59058c4 | 1677 | /** |
b595076a | 1678 | * lpfc_param_init - Initializes a cfg attribute |
e59058c4 JS |
1679 | * |
1680 | * Description: | |
1681 | * Macro that given an attr e.g. hba_queue_depth expands | |
1682 | * into a function with the name lpfc_hba_queue_depth_init. The macro also | |
1683 | * takes a default argument, a minimum and maximum argument. | |
1684 | * | |
1685 | * lpfc_##attr##_init: Initializes an attribute. | |
1686 | * @phba: pointer the the adapter structure. | |
1687 | * @val: integer attribute value. | |
1688 | * | |
1689 | * Validates the min and max values then sets the adapter config field | |
1690 | * accordingly, or uses the default if out of range and prints an error message. | |
1691 | * | |
1692 | * Returns: | |
1693 | * zero on success | |
1694 | * -EINVAL if default used | |
1695 | **/ | |
7bcbb752 JSEC |
1696 | #define lpfc_param_init(attr, default, minval, maxval) \ |
1697 | static int \ | |
84d1b006 | 1698 | lpfc_##attr##_init(struct lpfc_hba *phba, uint val) \ |
7bcbb752 JSEC |
1699 | { \ |
1700 | if (val >= minval && val <= maxval) {\ | |
1701 | phba->cfg_##attr = val;\ | |
1702 | return 0;\ | |
dea3101e | 1703 | }\ |
7bcbb752 | 1704 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \ |
e8b62011 JS |
1705 | "0449 lpfc_"#attr" attribute cannot be set to %d, "\ |
1706 | "allowed range is ["#minval", "#maxval"]\n", val); \ | |
7bcbb752 JSEC |
1707 | phba->cfg_##attr = default;\ |
1708 | return -EINVAL;\ | |
dea3101e JB |
1709 | } |
1710 | ||
e59058c4 | 1711 | /** |
3621a710 | 1712 | * lpfc_param_set - Set a cfg attribute value |
e59058c4 JS |
1713 | * |
1714 | * Description: | |
1715 | * Macro that given an attr e.g. hba_queue_depth expands | |
1716 | * into a function with the name lpfc_hba_queue_depth_set | |
1717 | * | |
1718 | * lpfc_##attr##_set: Sets an attribute value. | |
1719 | * @phba: pointer the the adapter structure. | |
1720 | * @val: integer attribute value. | |
1721 | * | |
1722 | * Description: | |
1723 | * Validates the min and max values then sets the | |
1724 | * adapter config field if in the valid range. prints error message | |
1725 | * and does not set the parameter if invalid. | |
1726 | * | |
1727 | * Returns: | |
1728 | * zero on success | |
1729 | * -EINVAL if val is invalid | |
1730 | **/ | |
7bcbb752 JSEC |
1731 | #define lpfc_param_set(attr, default, minval, maxval) \ |
1732 | static int \ | |
84d1b006 | 1733 | lpfc_##attr##_set(struct lpfc_hba *phba, uint val) \ |
7bcbb752 JSEC |
1734 | { \ |
1735 | if (val >= minval && val <= maxval) {\ | |
88a2cfbb JS |
1736 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \ |
1737 | "3052 lpfc_" #attr " changed from %d to %d\n", \ | |
1738 | phba->cfg_##attr, val); \ | |
7bcbb752 JSEC |
1739 | phba->cfg_##attr = val;\ |
1740 | return 0;\ | |
1741 | }\ | |
1742 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \ | |
e8b62011 JS |
1743 | "0450 lpfc_"#attr" attribute cannot be set to %d, "\ |
1744 | "allowed range is ["#minval", "#maxval"]\n", val); \ | |
7bcbb752 JSEC |
1745 | return -EINVAL;\ |
1746 | } | |
1747 | ||
e59058c4 | 1748 | /** |
3621a710 | 1749 | * lpfc_param_store - Set a vport attribute value |
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_store. | |
1754 | * | |
1755 | * lpfc_##attr##_store: Set an sttribute value. | |
1756 | * @dev: class device that is converted into a Scsi_host. | |
1757 | * @attr: device attribute, not used. | |
1758 | * @buf: contains the attribute value in ascii. | |
1759 | * @count: not used. | |
1760 | * | |
1761 | * Description: | |
1762 | * Convert the ascii text number to an integer, then | |
1763 | * use the lpfc_##attr##_set function to set the value. | |
1764 | * | |
1765 | * Returns: | |
1766 | * -EINVAL if val is invalid or lpfc_##attr##_set() fails | |
1767 | * length of buffer upon success. | |
1768 | **/ | |
7bcbb752 | 1769 | #define lpfc_param_store(attr) \ |
dea3101e | 1770 | static ssize_t \ |
ee959b00 TJ |
1771 | lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \ |
1772 | const char *buf, size_t count) \ | |
dea3101e | 1773 | { \ |
ee959b00 | 1774 | struct Scsi_Host *shost = class_to_shost(dev);\ |
2e0fef85 JS |
1775 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
1776 | struct lpfc_hba *phba = vport->phba;\ | |
84d1b006 | 1777 | uint val = 0;\ |
93a20f74 JSEC |
1778 | if (!isdigit(buf[0]))\ |
1779 | return -EINVAL;\ | |
1780 | if (sscanf(buf, "%i", &val) != 1)\ | |
1781 | return -EINVAL;\ | |
7bcbb752 | 1782 | if (lpfc_##attr##_set(phba, val) == 0) \ |
755c0d06 | 1783 | return strlen(buf);\ |
7bcbb752 JSEC |
1784 | else \ |
1785 | return -EINVAL;\ | |
dea3101e JB |
1786 | } |
1787 | ||
e59058c4 | 1788 | /** |
3621a710 | 1789 | * lpfc_vport_param_show - Return decimal formatted cfg attribute value |
e59058c4 JS |
1790 | * |
1791 | * Description: | |
1792 | * Macro that given an attr e.g. hba_queue_depth expands | |
1793 | * into a function with the name lpfc_hba_queue_depth_show | |
1794 | * | |
1795 | * lpfc_##attr##_show: prints the attribute value in decimal. | |
1796 | * @dev: class device that is converted into a Scsi_host. | |
1797 | * @attr: device attribute, not used. | |
1798 | * @buf: on return contains the attribute value in decimal. | |
1799 | * | |
1800 | * Returns: length of formatted string. | |
1801 | **/ | |
3de2a653 JS |
1802 | #define lpfc_vport_param_show(attr) \ |
1803 | static ssize_t \ | |
ee959b00 TJ |
1804 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
1805 | char *buf) \ | |
3de2a653 | 1806 | { \ |
ee959b00 | 1807 | struct Scsi_Host *shost = class_to_shost(dev);\ |
3de2a653 | 1808 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
3de2a653 JS |
1809 | return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_##attr);\ |
1810 | } | |
1811 | ||
e59058c4 | 1812 | /** |
3621a710 | 1813 | * lpfc_vport_param_hex_show - Return hex formatted attribute value |
e59058c4 JS |
1814 | * |
1815 | * Description: | |
1816 | * Macro that given an attr e.g. | |
1817 | * hba_queue_depth expands into a function with the name | |
1818 | * lpfc_hba_queue_depth_show | |
1819 | * | |
3621a710 | 1820 | * lpfc_##attr##_show: prints the attribute value in hexadecimal. |
e59058c4 JS |
1821 | * @dev: class device that is converted into a Scsi_host. |
1822 | * @attr: device attribute, not used. | |
3621a710 | 1823 | * @buf: on return contains the attribute value in hexadecimal. |
e59058c4 JS |
1824 | * |
1825 | * Returns: length of formatted string. | |
1826 | **/ | |
3de2a653 JS |
1827 | #define lpfc_vport_param_hex_show(attr) \ |
1828 | static ssize_t \ | |
ee959b00 TJ |
1829 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
1830 | char *buf) \ | |
3de2a653 | 1831 | { \ |
ee959b00 | 1832 | struct Scsi_Host *shost = class_to_shost(dev);\ |
3de2a653 | 1833 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
3de2a653 JS |
1834 | return snprintf(buf, PAGE_SIZE, "%#x\n", vport->cfg_##attr);\ |
1835 | } | |
1836 | ||
e59058c4 | 1837 | /** |
3621a710 | 1838 | * lpfc_vport_param_init - Initialize a vport cfg attribute |
e59058c4 JS |
1839 | * |
1840 | * Description: | |
1841 | * Macro that given an attr e.g. hba_queue_depth expands | |
1842 | * into a function with the name lpfc_hba_queue_depth_init. The macro also | |
1843 | * takes a default argument, a minimum and maximum argument. | |
1844 | * | |
1845 | * lpfc_##attr##_init: validates the min and max values then sets the | |
1846 | * adapter config field accordingly, or uses the default if out of range | |
1847 | * and prints an error message. | |
1848 | * @phba: pointer the the adapter structure. | |
1849 | * @val: integer attribute value. | |
1850 | * | |
1851 | * Returns: | |
1852 | * zero on success | |
1853 | * -EINVAL if default used | |
1854 | **/ | |
3de2a653 JS |
1855 | #define lpfc_vport_param_init(attr, default, minval, maxval) \ |
1856 | static int \ | |
84d1b006 | 1857 | lpfc_##attr##_init(struct lpfc_vport *vport, uint val) \ |
3de2a653 JS |
1858 | { \ |
1859 | if (val >= minval && val <= maxval) {\ | |
1860 | vport->cfg_##attr = val;\ | |
1861 | return 0;\ | |
1862 | }\ | |
e8b62011 | 1863 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \ |
d7c255b2 | 1864 | "0423 lpfc_"#attr" attribute cannot be set to %d, "\ |
e8b62011 | 1865 | "allowed range is ["#minval", "#maxval"]\n", val); \ |
3de2a653 JS |
1866 | vport->cfg_##attr = default;\ |
1867 | return -EINVAL;\ | |
1868 | } | |
1869 | ||
e59058c4 | 1870 | /** |
3621a710 | 1871 | * lpfc_vport_param_set - Set a vport cfg attribute |
e59058c4 JS |
1872 | * |
1873 | * Description: | |
1874 | * Macro that given an attr e.g. hba_queue_depth expands | |
1875 | * into a function with the name lpfc_hba_queue_depth_set | |
1876 | * | |
1877 | * lpfc_##attr##_set: validates the min and max values then sets the | |
1878 | * adapter config field if in the valid range. prints error message | |
1879 | * and does not set the parameter if invalid. | |
1880 | * @phba: pointer the the adapter structure. | |
1881 | * @val: integer attribute value. | |
1882 | * | |
1883 | * Returns: | |
1884 | * zero on success | |
1885 | * -EINVAL if val is invalid | |
1886 | **/ | |
3de2a653 JS |
1887 | #define lpfc_vport_param_set(attr, default, minval, maxval) \ |
1888 | static int \ | |
84d1b006 | 1889 | lpfc_##attr##_set(struct lpfc_vport *vport, uint val) \ |
3de2a653 JS |
1890 | { \ |
1891 | if (val >= minval && val <= maxval) {\ | |
88a2cfbb | 1892 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \ |
14660f4f JS |
1893 | "3053 lpfc_" #attr \ |
1894 | " changed from %d (x%x) to %d (x%x)\n", \ | |
1895 | vport->cfg_##attr, vport->cfg_##attr, \ | |
1896 | val, val); \ | |
3de2a653 JS |
1897 | vport->cfg_##attr = val;\ |
1898 | return 0;\ | |
1899 | }\ | |
e8b62011 | 1900 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \ |
d7c255b2 | 1901 | "0424 lpfc_"#attr" attribute cannot be set to %d, "\ |
e8b62011 | 1902 | "allowed range is ["#minval", "#maxval"]\n", val); \ |
3de2a653 JS |
1903 | return -EINVAL;\ |
1904 | } | |
1905 | ||
e59058c4 | 1906 | /** |
3621a710 | 1907 | * lpfc_vport_param_store - Set a vport attribute |
e59058c4 JS |
1908 | * |
1909 | * Description: | |
1910 | * Macro that given an attr e.g. hba_queue_depth | |
1911 | * expands into a function with the name lpfc_hba_queue_depth_store | |
1912 | * | |
1913 | * lpfc_##attr##_store: convert the ascii text number to an integer, then | |
1914 | * use the lpfc_##attr##_set function to set the value. | |
1915 | * @cdev: class device that is converted into a Scsi_host. | |
1916 | * @buf: contains the attribute value in decimal. | |
1917 | * @count: not used. | |
1918 | * | |
1919 | * Returns: | |
1920 | * -EINVAL if val is invalid or lpfc_##attr##_set() fails | |
1921 | * length of buffer upon success. | |
1922 | **/ | |
3de2a653 JS |
1923 | #define lpfc_vport_param_store(attr) \ |
1924 | static ssize_t \ | |
ee959b00 TJ |
1925 | lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \ |
1926 | const char *buf, size_t count) \ | |
3de2a653 | 1927 | { \ |
ee959b00 | 1928 | struct Scsi_Host *shost = class_to_shost(dev);\ |
3de2a653 | 1929 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
84d1b006 | 1930 | uint val = 0;\ |
3de2a653 JS |
1931 | if (!isdigit(buf[0]))\ |
1932 | return -EINVAL;\ | |
1933 | if (sscanf(buf, "%i", &val) != 1)\ | |
1934 | return -EINVAL;\ | |
1935 | if (lpfc_##attr##_set(vport, val) == 0) \ | |
1936 | return strlen(buf);\ | |
1937 | else \ | |
1938 | return -EINVAL;\ | |
1939 | } | |
1940 | ||
1941 | ||
7bcbb752 | 1942 | #define LPFC_ATTR(name, defval, minval, maxval, desc) \ |
84d1b006 | 1943 | static uint lpfc_##name = defval;\ |
ab56dc2e | 1944 | module_param(lpfc_##name, uint, S_IRUGO);\ |
dea3101e | 1945 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
7bcbb752 | 1946 | lpfc_param_init(name, defval, minval, maxval) |
dea3101e JB |
1947 | |
1948 | #define LPFC_ATTR_R(name, defval, minval, maxval, desc) \ | |
84d1b006 | 1949 | static uint lpfc_##name = defval;\ |
ab56dc2e | 1950 | module_param(lpfc_##name, uint, S_IRUGO);\ |
dea3101e JB |
1951 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1952 | lpfc_param_show(name)\ | |
7bcbb752 | 1953 | lpfc_param_init(name, defval, minval, maxval)\ |
ee959b00 | 1954 | static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
dea3101e JB |
1955 | |
1956 | #define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \ | |
84d1b006 | 1957 | static uint lpfc_##name = defval;\ |
ab56dc2e | 1958 | module_param(lpfc_##name, uint, S_IRUGO);\ |
dea3101e JB |
1959 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1960 | lpfc_param_show(name)\ | |
7bcbb752 JSEC |
1961 | lpfc_param_init(name, defval, minval, maxval)\ |
1962 | lpfc_param_set(name, defval, minval, maxval)\ | |
1963 | lpfc_param_store(name)\ | |
ee959b00 TJ |
1964 | static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
1965 | lpfc_##name##_show, lpfc_##name##_store) | |
dea3101e | 1966 | |
93a20f74 | 1967 | #define LPFC_ATTR_HEX_R(name, defval, minval, maxval, desc) \ |
84d1b006 | 1968 | static uint lpfc_##name = defval;\ |
ab56dc2e | 1969 | module_param(lpfc_##name, uint, S_IRUGO);\ |
93a20f74 JSEC |
1970 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1971 | lpfc_param_hex_show(name)\ | |
1972 | lpfc_param_init(name, defval, minval, maxval)\ | |
ee959b00 | 1973 | static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
93a20f74 JSEC |
1974 | |
1975 | #define LPFC_ATTR_HEX_RW(name, defval, minval, maxval, desc) \ | |
84d1b006 | 1976 | static uint lpfc_##name = defval;\ |
ab56dc2e | 1977 | module_param(lpfc_##name, uint, S_IRUGO);\ |
93a20f74 JSEC |
1978 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1979 | lpfc_param_hex_show(name)\ | |
1980 | lpfc_param_init(name, defval, minval, maxval)\ | |
1981 | lpfc_param_set(name, defval, minval, maxval)\ | |
1982 | lpfc_param_store(name)\ | |
ee959b00 TJ |
1983 | static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
1984 | lpfc_##name##_show, lpfc_##name##_store) | |
93a20f74 | 1985 | |
3de2a653 | 1986 | #define LPFC_VPORT_ATTR(name, defval, minval, maxval, desc) \ |
84d1b006 | 1987 | static uint lpfc_##name = defval;\ |
ab56dc2e | 1988 | module_param(lpfc_##name, uint, S_IRUGO);\ |
3de2a653 JS |
1989 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1990 | lpfc_vport_param_init(name, defval, minval, maxval) | |
1991 | ||
1992 | #define LPFC_VPORT_ATTR_R(name, defval, minval, maxval, desc) \ | |
84d1b006 | 1993 | static uint lpfc_##name = defval;\ |
ab56dc2e | 1994 | module_param(lpfc_##name, uint, S_IRUGO);\ |
3de2a653 JS |
1995 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1996 | lpfc_vport_param_show(name)\ | |
1997 | lpfc_vport_param_init(name, defval, minval, maxval)\ | |
ee959b00 | 1998 | static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
3de2a653 | 1999 | |
1abf635d HR |
2000 | #define LPFC_VPORT_ULL_ATTR_R(name, defval, minval, maxval, desc) \ |
2001 | static uint64_t lpfc_##name = defval;\ | |
2002 | module_param(lpfc_##name, ullong, S_IRUGO);\ | |
2003 | MODULE_PARM_DESC(lpfc_##name, desc);\ | |
2004 | lpfc_vport_param_show(name)\ | |
2005 | lpfc_vport_param_init(name, defval, minval, maxval)\ | |
2006 | static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) | |
2007 | ||
3de2a653 | 2008 | #define LPFC_VPORT_ATTR_RW(name, defval, minval, maxval, desc) \ |
84d1b006 | 2009 | static uint lpfc_##name = defval;\ |
ab56dc2e | 2010 | module_param(lpfc_##name, uint, S_IRUGO);\ |
3de2a653 JS |
2011 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
2012 | lpfc_vport_param_show(name)\ | |
2013 | lpfc_vport_param_init(name, defval, minval, maxval)\ | |
2014 | lpfc_vport_param_set(name, defval, minval, maxval)\ | |
2015 | lpfc_vport_param_store(name)\ | |
ee959b00 TJ |
2016 | static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
2017 | lpfc_##name##_show, lpfc_##name##_store) | |
3de2a653 JS |
2018 | |
2019 | #define LPFC_VPORT_ATTR_HEX_R(name, defval, minval, maxval, desc) \ | |
84d1b006 | 2020 | static uint lpfc_##name = defval;\ |
ab56dc2e | 2021 | module_param(lpfc_##name, uint, S_IRUGO);\ |
3de2a653 JS |
2022 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
2023 | lpfc_vport_param_hex_show(name)\ | |
2024 | lpfc_vport_param_init(name, defval, minval, maxval)\ | |
ee959b00 | 2025 | static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
3de2a653 JS |
2026 | |
2027 | #define LPFC_VPORT_ATTR_HEX_RW(name, defval, minval, maxval, desc) \ | |
84d1b006 | 2028 | static uint lpfc_##name = defval;\ |
ab56dc2e | 2029 | module_param(lpfc_##name, uint, S_IRUGO);\ |
3de2a653 JS |
2030 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
2031 | lpfc_vport_param_hex_show(name)\ | |
2032 | lpfc_vport_param_init(name, defval, minval, maxval)\ | |
2033 | lpfc_vport_param_set(name, defval, minval, maxval)\ | |
2034 | lpfc_vport_param_store(name)\ | |
ee959b00 TJ |
2035 | static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
2036 | lpfc_##name##_show, lpfc_##name##_store) | |
2037 | ||
81301a9b JS |
2038 | static DEVICE_ATTR(bg_info, S_IRUGO, lpfc_bg_info_show, NULL); |
2039 | static DEVICE_ATTR(bg_guard_err, S_IRUGO, lpfc_bg_guard_err_show, NULL); | |
2040 | static DEVICE_ATTR(bg_apptag_err, S_IRUGO, lpfc_bg_apptag_err_show, NULL); | |
2041 | static DEVICE_ATTR(bg_reftag_err, S_IRUGO, lpfc_bg_reftag_err_show, NULL); | |
ee959b00 TJ |
2042 | static DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL); |
2043 | static DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL); | |
2044 | static DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL); | |
2045 | static DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL); | |
2046 | static DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL); | |
2047 | static DEVICE_ATTR(portnum, S_IRUGO, lpfc_vportnum_show, NULL); | |
2048 | static DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL); | |
2049 | static DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL); | |
84d1b006 JS |
2050 | static DEVICE_ATTR(link_state, S_IRUGO | S_IWUSR, lpfc_link_state_show, |
2051 | lpfc_link_state_store); | |
ee959b00 TJ |
2052 | static DEVICE_ATTR(option_rom_version, S_IRUGO, |
2053 | lpfc_option_rom_version_show, NULL); | |
2054 | static DEVICE_ATTR(num_discovered_ports, S_IRUGO, | |
2055 | lpfc_num_discovered_ports_show, NULL); | |
84774a4d | 2056 | static DEVICE_ATTR(menlo_mgmt_mode, S_IRUGO, lpfc_mlomgmt_show, NULL); |
ee959b00 TJ |
2057 | static DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL); |
2058 | static DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show, NULL); | |
45ed1190 | 2059 | static DEVICE_ATTR(lpfc_enable_fip, S_IRUGO, lpfc_enable_fip_show, NULL); |
ee959b00 TJ |
2060 | static DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR, |
2061 | lpfc_board_mode_show, lpfc_board_mode_store); | |
2062 | static DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset); | |
2063 | static DEVICE_ATTR(max_vpi, S_IRUGO, lpfc_max_vpi_show, NULL); | |
2064 | static DEVICE_ATTR(used_vpi, S_IRUGO, lpfc_used_vpi_show, NULL); | |
2065 | static DEVICE_ATTR(max_rpi, S_IRUGO, lpfc_max_rpi_show, NULL); | |
2066 | static DEVICE_ATTR(used_rpi, S_IRUGO, lpfc_used_rpi_show, NULL); | |
2067 | static DEVICE_ATTR(max_xri, S_IRUGO, lpfc_max_xri_show, NULL); | |
2068 | static DEVICE_ATTR(used_xri, S_IRUGO, lpfc_used_xri_show, NULL); | |
2069 | static DEVICE_ATTR(npiv_info, S_IRUGO, lpfc_npiv_info_show, NULL); | |
2070 | static DEVICE_ATTR(lpfc_temp_sensor, S_IRUGO, lpfc_temp_sensor_show, NULL); | |
bc73905a JS |
2071 | static DEVICE_ATTR(lpfc_fips_level, S_IRUGO, lpfc_fips_level_show, NULL); |
2072 | static DEVICE_ATTR(lpfc_fips_rev, S_IRUGO, lpfc_fips_rev_show, NULL); | |
ab56dc2e | 2073 | static DEVICE_ATTR(lpfc_dss, S_IRUGO, lpfc_dss_show, NULL); |
912e3acd JS |
2074 | static DEVICE_ATTR(lpfc_sriov_hw_max_virtfn, S_IRUGO, |
2075 | lpfc_sriov_hw_max_virtfn_show, NULL); | |
026abb87 | 2076 | static DEVICE_ATTR(protocol, S_IRUGO, lpfc_sli4_protocol_show, NULL); |
1ba981fd JS |
2077 | static DEVICE_ATTR(lpfc_xlane_supported, S_IRUGO, lpfc_oas_supported_show, |
2078 | NULL); | |
c3f28afa | 2079 | |
a12e07bc | 2080 | static char *lpfc_soft_wwn_key = "C99G71SL8032A"; |
1ba981fd JS |
2081 | #define WWN_SZ 8 |
2082 | /** | |
2083 | * lpfc_wwn_set - Convert string to the 8 byte WWN value. | |
2084 | * @buf: WWN string. | |
2085 | * @cnt: Length of string. | |
2086 | * @wwn: Array to receive converted wwn value. | |
2087 | * | |
2088 | * Returns: | |
2089 | * -EINVAL if the buffer does not contain a valid wwn | |
2090 | * 0 success | |
2091 | **/ | |
2092 | static size_t | |
2093 | lpfc_wwn_set(const char *buf, size_t cnt, char wwn[]) | |
2094 | { | |
2095 | unsigned int i, j; | |
2096 | ||
2097 | /* Count may include a LF at end of string */ | |
2098 | if (buf[cnt-1] == '\n') | |
2099 | cnt--; | |
c3f28afa | 2100 | |
1ba981fd JS |
2101 | if ((cnt < 16) || (cnt > 18) || ((cnt == 17) && (*buf++ != 'x')) || |
2102 | ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x')))) | |
2103 | return -EINVAL; | |
2104 | ||
2105 | memset(wwn, 0, WWN_SZ); | |
2106 | ||
2107 | /* Validate and store the new name */ | |
2108 | for (i = 0, j = 0; i < 16; i++) { | |
2109 | if ((*buf >= 'a') && (*buf <= 'f')) | |
2110 | j = ((j << 4) | ((*buf++ - 'a') + 10)); | |
2111 | else if ((*buf >= 'A') && (*buf <= 'F')) | |
2112 | j = ((j << 4) | ((*buf++ - 'A') + 10)); | |
2113 | else if ((*buf >= '0') && (*buf <= '9')) | |
2114 | j = ((j << 4) | (*buf++ - '0')); | |
2115 | else | |
2116 | return -EINVAL; | |
2117 | if (i % 2) { | |
2118 | wwn[i/2] = j & 0xff; | |
2119 | j = 0; | |
2120 | } | |
2121 | } | |
2122 | return 0; | |
2123 | } | |
e59058c4 | 2124 | /** |
3621a710 | 2125 | * lpfc_soft_wwn_enable_store - Allows setting of the wwn if the key is valid |
e59058c4 JS |
2126 | * @dev: class device that is converted into a Scsi_host. |
2127 | * @attr: device attribute, not used. | |
2128 | * @buf: containing the string lpfc_soft_wwn_key. | |
2129 | * @count: must be size of lpfc_soft_wwn_key. | |
2130 | * | |
2131 | * Returns: | |
2132 | * -EINVAL if the buffer does not contain lpfc_soft_wwn_key | |
2133 | * length of buf indicates success | |
2134 | **/ | |
c3f28afa | 2135 | static ssize_t |
ee959b00 TJ |
2136 | lpfc_soft_wwn_enable_store(struct device *dev, struct device_attribute *attr, |
2137 | const char *buf, size_t count) | |
c3f28afa | 2138 | { |
ee959b00 | 2139 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
2140 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
2141 | struct lpfc_hba *phba = vport->phba; | |
c3f28afa JS |
2142 | unsigned int cnt = count; |
2143 | ||
2144 | /* | |
2145 | * We're doing a simple sanity check for soft_wwpn setting. | |
2146 | * We require that the user write a specific key to enable | |
2147 | * the soft_wwpn attribute to be settable. Once the attribute | |
2148 | * is written, the enable key resets. If further updates are | |
2149 | * desired, the key must be written again to re-enable the | |
2150 | * attribute. | |
2151 | * | |
2152 | * The "key" is not secret - it is a hardcoded string shown | |
2153 | * here. The intent is to protect against the random user or | |
2154 | * application that is just writing attributes. | |
2155 | */ | |
2156 | ||
2157 | /* count may include a LF at end of string */ | |
2158 | if (buf[cnt-1] == '\n') | |
2159 | cnt--; | |
2160 | ||
a12e07bc JS |
2161 | if ((cnt != strlen(lpfc_soft_wwn_key)) || |
2162 | (strncmp(buf, lpfc_soft_wwn_key, strlen(lpfc_soft_wwn_key)) != 0)) | |
c3f28afa JS |
2163 | return -EINVAL; |
2164 | ||
a12e07bc | 2165 | phba->soft_wwn_enable = 1; |
c3f28afa JS |
2166 | return count; |
2167 | } | |
ee959b00 TJ |
2168 | static DEVICE_ATTR(lpfc_soft_wwn_enable, S_IWUSR, NULL, |
2169 | lpfc_soft_wwn_enable_store); | |
c3f28afa | 2170 | |
e59058c4 | 2171 | /** |
3621a710 | 2172 | * lpfc_soft_wwpn_show - Return the cfg soft ww port name of the adapter |
e59058c4 JS |
2173 | * @dev: class device that is converted into a Scsi_host. |
2174 | * @attr: device attribute, not used. | |
3621a710 | 2175 | * @buf: on return contains the wwpn in hexadecimal. |
e59058c4 JS |
2176 | * |
2177 | * Returns: size of formatted string. | |
2178 | **/ | |
c3f28afa | 2179 | static ssize_t |
ee959b00 TJ |
2180 | lpfc_soft_wwpn_show(struct device *dev, struct device_attribute *attr, |
2181 | char *buf) | |
c3f28afa | 2182 | { |
ee959b00 | 2183 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
2184 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
2185 | struct lpfc_hba *phba = vport->phba; | |
2186 | ||
afc071e6 RD |
2187 | return snprintf(buf, PAGE_SIZE, "0x%llx\n", |
2188 | (unsigned long long)phba->cfg_soft_wwpn); | |
c3f28afa JS |
2189 | } |
2190 | ||
e59058c4 | 2191 | /** |
3621a710 | 2192 | * lpfc_soft_wwpn_store - Set the ww port name of the adapter |
e59058c4 JS |
2193 | * @dev class device that is converted into a Scsi_host. |
2194 | * @attr: device attribute, not used. | |
3621a710 | 2195 | * @buf: contains the wwpn in hexadecimal. |
e59058c4 JS |
2196 | * @count: number of wwpn bytes in buf |
2197 | * | |
2198 | * Returns: | |
2199 | * -EACCES hba reset not enabled, adapter over temp | |
2200 | * -EINVAL soft wwn not enabled, count is invalid, invalid wwpn byte invalid | |
2201 | * -EIO error taking adapter offline or online | |
2202 | * value of count on success | |
2203 | **/ | |
c3f28afa | 2204 | static ssize_t |
ee959b00 TJ |
2205 | lpfc_soft_wwpn_store(struct device *dev, struct device_attribute *attr, |
2206 | const char *buf, size_t count) | |
c3f28afa | 2207 | { |
ee959b00 | 2208 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
2209 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
2210 | struct lpfc_hba *phba = vport->phba; | |
c3f28afa | 2211 | struct completion online_compl; |
1ba981fd JS |
2212 | int stat1 = 0, stat2 = 0; |
2213 | unsigned int cnt = count; | |
2214 | u8 wwpn[WWN_SZ]; | |
fedd3b7b | 2215 | int rc; |
c3f28afa | 2216 | |
13815c83 JS |
2217 | if (!phba->cfg_enable_hba_reset) |
2218 | return -EACCES; | |
7af67051 JS |
2219 | spin_lock_irq(&phba->hbalock); |
2220 | if (phba->over_temp_state == HBA_OVER_TEMP) { | |
2221 | spin_unlock_irq(&phba->hbalock); | |
09372820 | 2222 | return -EACCES; |
7af67051 JS |
2223 | } |
2224 | spin_unlock_irq(&phba->hbalock); | |
c3f28afa JS |
2225 | /* count may include a LF at end of string */ |
2226 | if (buf[cnt-1] == '\n') | |
2227 | cnt--; | |
2228 | ||
1ba981fd | 2229 | if (!phba->soft_wwn_enable) |
c3f28afa JS |
2230 | return -EINVAL; |
2231 | ||
1ba981fd | 2232 | /* lock setting wwpn, wwnn down */ |
a12e07bc | 2233 | phba->soft_wwn_enable = 0; |
c3f28afa | 2234 | |
1ba981fd JS |
2235 | rc = lpfc_wwn_set(buf, cnt, wwpn); |
2236 | if (!rc) { | |
2237 | /* not able to set wwpn, unlock it */ | |
2238 | phba->soft_wwn_enable = 1; | |
2239 | return rc; | |
c3f28afa | 2240 | } |
1ba981fd | 2241 | |
c3f28afa | 2242 | phba->cfg_soft_wwpn = wwn_to_u64(wwpn); |
2e0fef85 | 2243 | fc_host_port_name(shost) = phba->cfg_soft_wwpn; |
a12e07bc | 2244 | if (phba->cfg_soft_wwnn) |
2e0fef85 | 2245 | fc_host_node_name(shost) = phba->cfg_soft_wwnn; |
c3f28afa JS |
2246 | |
2247 | dev_printk(KERN_NOTICE, &phba->pcidev->dev, | |
2248 | "lpfc%d: Reinitializing to use soft_wwpn\n", phba->brd_no); | |
2249 | ||
46fa311e | 2250 | stat1 = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); |
c3f28afa JS |
2251 | if (stat1) |
2252 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
e8b62011 JS |
2253 | "0463 lpfc_soft_wwpn attribute set failed to " |
2254 | "reinit adapter - %d\n", stat1); | |
c3f28afa | 2255 | init_completion(&online_compl); |
fedd3b7b JS |
2256 | rc = lpfc_workq_post_event(phba, &stat2, &online_compl, |
2257 | LPFC_EVT_ONLINE); | |
2258 | if (rc == 0) | |
2259 | return -ENOMEM; | |
2260 | ||
c3f28afa JS |
2261 | wait_for_completion(&online_compl); |
2262 | if (stat2) | |
2263 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
e8b62011 JS |
2264 | "0464 lpfc_soft_wwpn attribute set failed to " |
2265 | "reinit adapter - %d\n", stat2); | |
c3f28afa JS |
2266 | return (stat1 || stat2) ? -EIO : count; |
2267 | } | |
1ba981fd | 2268 | static DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR, |
ee959b00 | 2269 | lpfc_soft_wwpn_show, lpfc_soft_wwpn_store); |
c3f28afa | 2270 | |
e59058c4 | 2271 | /** |
3621a710 | 2272 | * lpfc_soft_wwnn_show - Return the cfg soft ww node name for the adapter |
e59058c4 JS |
2273 | * @dev: class device that is converted into a Scsi_host. |
2274 | * @attr: device attribute, not used. | |
3621a710 | 2275 | * @buf: on return contains the wwnn in hexadecimal. |
e59058c4 JS |
2276 | * |
2277 | * Returns: size of formatted string. | |
2278 | **/ | |
a12e07bc | 2279 | static ssize_t |
ee959b00 TJ |
2280 | lpfc_soft_wwnn_show(struct device *dev, struct device_attribute *attr, |
2281 | char *buf) | |
a12e07bc | 2282 | { |
ee959b00 | 2283 | struct Scsi_Host *shost = class_to_shost(dev); |
51ef4c26 | 2284 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; |
a12e07bc JS |
2285 | return snprintf(buf, PAGE_SIZE, "0x%llx\n", |
2286 | (unsigned long long)phba->cfg_soft_wwnn); | |
2287 | } | |
2288 | ||
e59058c4 | 2289 | /** |
3621a710 | 2290 | * lpfc_soft_wwnn_store - sets the ww node name of the adapter |
e59058c4 | 2291 | * @cdev: class device that is converted into a Scsi_host. |
3621a710 | 2292 | * @buf: contains the ww node name in hexadecimal. |
e59058c4 JS |
2293 | * @count: number of wwnn bytes in buf. |
2294 | * | |
2295 | * Returns: | |
2296 | * -EINVAL soft wwn not enabled, count is invalid, invalid wwnn byte invalid | |
2297 | * value of count on success | |
2298 | **/ | |
a12e07bc | 2299 | static ssize_t |
ee959b00 TJ |
2300 | lpfc_soft_wwnn_store(struct device *dev, struct device_attribute *attr, |
2301 | const char *buf, size_t count) | |
a12e07bc | 2302 | { |
ee959b00 | 2303 | struct Scsi_Host *shost = class_to_shost(dev); |
51ef4c26 | 2304 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; |
1ba981fd JS |
2305 | unsigned int cnt = count; |
2306 | u8 wwnn[WWN_SZ]; | |
2307 | int rc; | |
a12e07bc JS |
2308 | |
2309 | /* count may include a LF at end of string */ | |
2310 | if (buf[cnt-1] == '\n') | |
2311 | cnt--; | |
2312 | ||
1ba981fd | 2313 | if (!phba->soft_wwn_enable) |
a12e07bc JS |
2314 | return -EINVAL; |
2315 | ||
1ba981fd JS |
2316 | rc = lpfc_wwn_set(buf, cnt, wwnn); |
2317 | if (!rc) { | |
2318 | /* Allow wwnn to be set many times, as long as the enable | |
2319 | * is set. However, once the wwpn is set, everything locks. | |
2320 | */ | |
2321 | return rc; | |
a12e07bc | 2322 | } |
1ba981fd | 2323 | |
a12e07bc JS |
2324 | phba->cfg_soft_wwnn = wwn_to_u64(wwnn); |
2325 | ||
2326 | dev_printk(KERN_NOTICE, &phba->pcidev->dev, | |
2327 | "lpfc%d: soft_wwnn set. Value will take effect upon " | |
2328 | "setting of the soft_wwpn\n", phba->brd_no); | |
2329 | ||
2330 | return count; | |
2331 | } | |
1ba981fd | 2332 | static DEVICE_ATTR(lpfc_soft_wwnn, S_IRUGO | S_IWUSR, |
ee959b00 | 2333 | lpfc_soft_wwnn_show, lpfc_soft_wwnn_store); |
a12e07bc | 2334 | |
1ba981fd JS |
2335 | /** |
2336 | * lpfc_oas_tgt_show - Return wwpn of target whose luns maybe enabled for | |
2337 | * Optimized Access Storage (OAS) operations. | |
2338 | * @dev: class device that is converted into a Scsi_host. | |
2339 | * @attr: device attribute, not used. | |
2340 | * @buf: buffer for passing information. | |
2341 | * | |
2342 | * Returns: | |
2343 | * value of count | |
2344 | **/ | |
2345 | static ssize_t | |
2346 | lpfc_oas_tgt_show(struct device *dev, struct device_attribute *attr, | |
2347 | char *buf) | |
2348 | { | |
2349 | struct Scsi_Host *shost = class_to_shost(dev); | |
2350 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
2351 | ||
2352 | return snprintf(buf, PAGE_SIZE, "0x%llx\n", | |
2353 | wwn_to_u64(phba->cfg_oas_tgt_wwpn)); | |
2354 | } | |
2355 | ||
2356 | /** | |
2357 | * lpfc_oas_tgt_store - Store wwpn of target whose luns maybe enabled for | |
2358 | * Optimized Access Storage (OAS) operations. | |
2359 | * @dev: class device that is converted into a Scsi_host. | |
2360 | * @attr: device attribute, not used. | |
2361 | * @buf: buffer for passing information. | |
2362 | * @count: Size of the data buffer. | |
2363 | * | |
2364 | * Returns: | |
2365 | * -EINVAL count is invalid, invalid wwpn byte invalid | |
2366 | * -EPERM oas is not supported by hba | |
2367 | * value of count on success | |
2368 | **/ | |
2369 | static ssize_t | |
2370 | lpfc_oas_tgt_store(struct device *dev, struct device_attribute *attr, | |
2371 | const char *buf, size_t count) | |
2372 | { | |
2373 | struct Scsi_Host *shost = class_to_shost(dev); | |
2374 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
2375 | unsigned int cnt = count; | |
2376 | uint8_t wwpn[WWN_SZ]; | |
2377 | int rc; | |
2378 | ||
f38fa0bb | 2379 | if (!phba->cfg_fof) |
1ba981fd JS |
2380 | return -EPERM; |
2381 | ||
2382 | /* count may include a LF at end of string */ | |
2383 | if (buf[cnt-1] == '\n') | |
2384 | cnt--; | |
2385 | ||
2386 | rc = lpfc_wwn_set(buf, cnt, wwpn); | |
2387 | if (rc) | |
2388 | return rc; | |
2389 | ||
2390 | memcpy(phba->cfg_oas_tgt_wwpn, wwpn, (8 * sizeof(uint8_t))); | |
2391 | memcpy(phba->sli4_hba.oas_next_tgt_wwpn, wwpn, (8 * sizeof(uint8_t))); | |
2392 | if (wwn_to_u64(wwpn) == 0) | |
2393 | phba->cfg_oas_flags |= OAS_FIND_ANY_TARGET; | |
2394 | else | |
2395 | phba->cfg_oas_flags &= ~OAS_FIND_ANY_TARGET; | |
2396 | phba->cfg_oas_flags &= ~OAS_LUN_VALID; | |
2397 | phba->sli4_hba.oas_next_lun = FIND_FIRST_OAS_LUN; | |
2398 | return count; | |
2399 | } | |
2400 | static DEVICE_ATTR(lpfc_xlane_tgt, S_IRUGO | S_IWUSR, | |
2401 | lpfc_oas_tgt_show, lpfc_oas_tgt_store); | |
2402 | ||
c92c841c JS |
2403 | /** |
2404 | * lpfc_oas_priority_show - Return wwpn of target whose luns maybe enabled for | |
2405 | * Optimized Access Storage (OAS) operations. | |
2406 | * @dev: class device that is converted into a Scsi_host. | |
2407 | * @attr: device attribute, not used. | |
2408 | * @buf: buffer for passing information. | |
2409 | * | |
2410 | * Returns: | |
2411 | * value of count | |
2412 | **/ | |
2413 | static ssize_t | |
2414 | lpfc_oas_priority_show(struct device *dev, struct device_attribute *attr, | |
2415 | char *buf) | |
2416 | { | |
2417 | struct Scsi_Host *shost = class_to_shost(dev); | |
2418 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
2419 | ||
2420 | return snprintf(buf, PAGE_SIZE, "%d\n", phba->cfg_oas_priority); | |
2421 | } | |
2422 | ||
2423 | /** | |
2424 | * lpfc_oas_priority_store - Store wwpn of target whose luns maybe enabled for | |
2425 | * Optimized Access Storage (OAS) operations. | |
2426 | * @dev: class device that is converted into a Scsi_host. | |
2427 | * @attr: device attribute, not used. | |
2428 | * @buf: buffer for passing information. | |
2429 | * @count: Size of the data buffer. | |
2430 | * | |
2431 | * Returns: | |
2432 | * -EINVAL count is invalid, invalid wwpn byte invalid | |
2433 | * -EPERM oas is not supported by hba | |
2434 | * value of count on success | |
2435 | **/ | |
2436 | static ssize_t | |
2437 | lpfc_oas_priority_store(struct device *dev, struct device_attribute *attr, | |
2438 | const char *buf, size_t count) | |
2439 | { | |
2440 | struct Scsi_Host *shost = class_to_shost(dev); | |
2441 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
2442 | unsigned int cnt = count; | |
2443 | unsigned long val; | |
2444 | int ret; | |
2445 | ||
2446 | if (!phba->cfg_fof) | |
2447 | return -EPERM; | |
2448 | ||
2449 | /* count may include a LF at end of string */ | |
2450 | if (buf[cnt-1] == '\n') | |
2451 | cnt--; | |
2452 | ||
2453 | ret = kstrtoul(buf, 0, &val); | |
2454 | if (ret || (val > 0x7f)) | |
2455 | return -EINVAL; | |
2456 | ||
2457 | if (val) | |
2458 | phba->cfg_oas_priority = (uint8_t)val; | |
2459 | else | |
2460 | phba->cfg_oas_priority = phba->cfg_XLanePriority; | |
2461 | return count; | |
2462 | } | |
2463 | static DEVICE_ATTR(lpfc_xlane_priority, S_IRUGO | S_IWUSR, | |
2464 | lpfc_oas_priority_show, lpfc_oas_priority_store); | |
2465 | ||
1ba981fd JS |
2466 | /** |
2467 | * lpfc_oas_vpt_show - Return wwpn of vport whose targets maybe enabled | |
2468 | * for Optimized Access Storage (OAS) operations. | |
2469 | * @dev: class device that is converted into a Scsi_host. | |
2470 | * @attr: device attribute, not used. | |
2471 | * @buf: buffer for passing information. | |
2472 | * | |
2473 | * Returns: | |
2474 | * value of count on success | |
2475 | **/ | |
2476 | static ssize_t | |
2477 | lpfc_oas_vpt_show(struct device *dev, struct device_attribute *attr, | |
2478 | char *buf) | |
2479 | { | |
2480 | struct Scsi_Host *shost = class_to_shost(dev); | |
2481 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
2482 | ||
2483 | return snprintf(buf, PAGE_SIZE, "0x%llx\n", | |
2484 | wwn_to_u64(phba->cfg_oas_vpt_wwpn)); | |
2485 | } | |
2486 | ||
2487 | /** | |
2488 | * lpfc_oas_vpt_store - Store wwpn of vport whose targets maybe enabled | |
2489 | * for Optimized Access Storage (OAS) operations. | |
2490 | * @dev: class device that is converted into a Scsi_host. | |
2491 | * @attr: device attribute, not used. | |
2492 | * @buf: buffer for passing information. | |
2493 | * @count: Size of the data buffer. | |
2494 | * | |
2495 | * Returns: | |
2496 | * -EINVAL count is invalid, invalid wwpn byte invalid | |
2497 | * -EPERM oas is not supported by hba | |
2498 | * value of count on success | |
2499 | **/ | |
2500 | static ssize_t | |
2501 | lpfc_oas_vpt_store(struct device *dev, struct device_attribute *attr, | |
2502 | const char *buf, size_t count) | |
2503 | { | |
2504 | struct Scsi_Host *shost = class_to_shost(dev); | |
2505 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
2506 | unsigned int cnt = count; | |
2507 | uint8_t wwpn[WWN_SZ]; | |
2508 | int rc; | |
2509 | ||
f38fa0bb | 2510 | if (!phba->cfg_fof) |
1ba981fd JS |
2511 | return -EPERM; |
2512 | ||
2513 | /* count may include a LF at end of string */ | |
2514 | if (buf[cnt-1] == '\n') | |
2515 | cnt--; | |
2516 | ||
2517 | rc = lpfc_wwn_set(buf, cnt, wwpn); | |
2518 | if (rc) | |
2519 | return rc; | |
2520 | ||
2521 | memcpy(phba->cfg_oas_vpt_wwpn, wwpn, (8 * sizeof(uint8_t))); | |
2522 | memcpy(phba->sli4_hba.oas_next_vpt_wwpn, wwpn, (8 * sizeof(uint8_t))); | |
2523 | if (wwn_to_u64(wwpn) == 0) | |
2524 | phba->cfg_oas_flags |= OAS_FIND_ANY_VPORT; | |
2525 | else | |
2526 | phba->cfg_oas_flags &= ~OAS_FIND_ANY_VPORT; | |
2527 | phba->cfg_oas_flags &= ~OAS_LUN_VALID; | |
c92c841c | 2528 | phba->cfg_oas_priority = phba->cfg_XLanePriority; |
1ba981fd JS |
2529 | phba->sli4_hba.oas_next_lun = FIND_FIRST_OAS_LUN; |
2530 | return count; | |
2531 | } | |
2532 | static DEVICE_ATTR(lpfc_xlane_vpt, S_IRUGO | S_IWUSR, | |
2533 | lpfc_oas_vpt_show, lpfc_oas_vpt_store); | |
2534 | ||
2535 | /** | |
2536 | * lpfc_oas_lun_state_show - Return the current state (enabled or disabled) | |
2537 | * of whether luns will be enabled or disabled | |
2538 | * for Optimized Access Storage (OAS) operations. | |
2539 | * @dev: class device that is converted into a Scsi_host. | |
2540 | * @attr: device attribute, not used. | |
2541 | * @buf: buffer for passing information. | |
2542 | * | |
2543 | * Returns: | |
2544 | * size of formatted string. | |
2545 | **/ | |
2546 | static ssize_t | |
2547 | lpfc_oas_lun_state_show(struct device *dev, struct device_attribute *attr, | |
2548 | char *buf) | |
2549 | { | |
2550 | struct Scsi_Host *shost = class_to_shost(dev); | |
2551 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
2552 | ||
2553 | return snprintf(buf, PAGE_SIZE, "%d\n", phba->cfg_oas_lun_state); | |
2554 | } | |
2555 | ||
2556 | /** | |
2557 | * lpfc_oas_lun_state_store - Store the state (enabled or disabled) | |
2558 | * of whether luns will be enabled or disabled | |
2559 | * for Optimized Access Storage (OAS) operations. | |
2560 | * @dev: class device that is converted into a Scsi_host. | |
2561 | * @attr: device attribute, not used. | |
2562 | * @buf: buffer for passing information. | |
2563 | * @count: Size of the data buffer. | |
2564 | * | |
2565 | * Returns: | |
2566 | * -EINVAL count is invalid, invalid wwpn byte invalid | |
2567 | * -EPERM oas is not supported by hba | |
2568 | * value of count on success | |
2569 | **/ | |
2570 | static ssize_t | |
2571 | lpfc_oas_lun_state_store(struct device *dev, struct device_attribute *attr, | |
2572 | const char *buf, size_t count) | |
2573 | { | |
2574 | struct Scsi_Host *shost = class_to_shost(dev); | |
2575 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
2576 | int val = 0; | |
2577 | ||
f38fa0bb | 2578 | if (!phba->cfg_fof) |
1ba981fd JS |
2579 | return -EPERM; |
2580 | ||
2581 | if (!isdigit(buf[0])) | |
2582 | return -EINVAL; | |
2583 | ||
2584 | if (sscanf(buf, "%i", &val) != 1) | |
2585 | return -EINVAL; | |
2586 | ||
2587 | if ((val != 0) && (val != 1)) | |
2588 | return -EINVAL; | |
2589 | ||
2590 | phba->cfg_oas_lun_state = val; | |
1ba981fd JS |
2591 | return strlen(buf); |
2592 | } | |
2593 | static DEVICE_ATTR(lpfc_xlane_lun_state, S_IRUGO | S_IWUSR, | |
2594 | lpfc_oas_lun_state_show, lpfc_oas_lun_state_store); | |
2595 | ||
2596 | /** | |
2597 | * lpfc_oas_lun_status_show - Return the status of the Optimized Access | |
2598 | * Storage (OAS) lun returned by the | |
2599 | * lpfc_oas_lun_show function. | |
2600 | * @dev: class device that is converted into a Scsi_host. | |
2601 | * @attr: device attribute, not used. | |
2602 | * @buf: buffer for passing information. | |
2603 | * | |
2604 | * Returns: | |
2605 | * size of formatted string. | |
2606 | **/ | |
2607 | static ssize_t | |
2608 | lpfc_oas_lun_status_show(struct device *dev, struct device_attribute *attr, | |
2609 | char *buf) | |
2610 | { | |
2611 | struct Scsi_Host *shost = class_to_shost(dev); | |
2612 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
2613 | ||
2614 | if (!(phba->cfg_oas_flags & OAS_LUN_VALID)) | |
2615 | return -EFAULT; | |
2616 | ||
2617 | return snprintf(buf, PAGE_SIZE, "%d\n", phba->cfg_oas_lun_status); | |
2618 | } | |
2619 | static DEVICE_ATTR(lpfc_xlane_lun_status, S_IRUGO, | |
2620 | lpfc_oas_lun_status_show, NULL); | |
2621 | ||
2622 | ||
2623 | /** | |
2624 | * lpfc_oas_lun_state_set - enable or disable a lun for Optimized Access Storage | |
2625 | * (OAS) operations. | |
2626 | * @phba: lpfc_hba pointer. | |
2627 | * @ndlp: pointer to fcp target node. | |
2628 | * @lun: the fc lun for setting oas state. | |
2629 | * @oas_state: the oas state to be set to the lun. | |
2630 | * | |
2631 | * Returns: | |
2632 | * SUCCESS : 0 | |
2633 | * -EPERM OAS is not enabled or not supported by this port. | |
2634 | * | |
2635 | */ | |
2636 | static size_t | |
2637 | lpfc_oas_lun_state_set(struct lpfc_hba *phba, uint8_t vpt_wwpn[], | |
c92c841c JS |
2638 | uint8_t tgt_wwpn[], uint64_t lun, |
2639 | uint32_t oas_state, uint8_t pri) | |
1ba981fd JS |
2640 | { |
2641 | ||
2642 | int rc = 0; | |
2643 | ||
f38fa0bb | 2644 | if (!phba->cfg_fof) |
1ba981fd JS |
2645 | return -EPERM; |
2646 | ||
2647 | if (oas_state) { | |
2648 | if (!lpfc_enable_oas_lun(phba, (struct lpfc_name *)vpt_wwpn, | |
c92c841c JS |
2649 | (struct lpfc_name *)tgt_wwpn, |
2650 | lun, pri)) | |
1ba981fd JS |
2651 | rc = -ENOMEM; |
2652 | } else { | |
2653 | lpfc_disable_oas_lun(phba, (struct lpfc_name *)vpt_wwpn, | |
2654 | (struct lpfc_name *)tgt_wwpn, lun); | |
2655 | } | |
2656 | return rc; | |
2657 | ||
2658 | } | |
2659 | ||
2660 | /** | |
2661 | * lpfc_oas_lun_get_next - get the next lun that has been enabled for Optimized | |
2662 | * Access Storage (OAS) operations. | |
2663 | * @phba: lpfc_hba pointer. | |
2664 | * @vpt_wwpn: wwpn of the vport associated with the returned lun | |
2665 | * @tgt_wwpn: wwpn of the target associated with the returned lun | |
2666 | * @lun_status: status of the lun returned lun | |
2667 | * | |
2668 | * Returns the first or next lun enabled for OAS operations for the vport/target | |
2669 | * specified. If a lun is found, its vport wwpn, target wwpn and status is | |
2670 | * returned. If the lun is not found, NOT_OAS_ENABLED_LUN is returned. | |
2671 | * | |
2672 | * Return: | |
2673 | * lun that is OAS enabled for the vport/target | |
2674 | * NOT_OAS_ENABLED_LUN when no oas enabled lun found. | |
2675 | */ | |
2676 | static uint64_t | |
2677 | lpfc_oas_lun_get_next(struct lpfc_hba *phba, uint8_t vpt_wwpn[], | |
2678 | uint8_t tgt_wwpn[], uint32_t *lun_status) | |
2679 | { | |
2680 | uint64_t found_lun; | |
2681 | ||
2682 | if (unlikely(!phba) || !vpt_wwpn || !tgt_wwpn) | |
2683 | return NOT_OAS_ENABLED_LUN; | |
2684 | if (lpfc_find_next_oas_lun(phba, (struct lpfc_name *) | |
2685 | phba->sli4_hba.oas_next_vpt_wwpn, | |
2686 | (struct lpfc_name *) | |
2687 | phba->sli4_hba.oas_next_tgt_wwpn, | |
2688 | &phba->sli4_hba.oas_next_lun, | |
2689 | (struct lpfc_name *)vpt_wwpn, | |
2690 | (struct lpfc_name *)tgt_wwpn, | |
2691 | &found_lun, lun_status)) | |
2692 | return found_lun; | |
2693 | else | |
2694 | return NOT_OAS_ENABLED_LUN; | |
2695 | } | |
2696 | ||
2697 | /** | |
2698 | * lpfc_oas_lun_state_change - enable/disable a lun for OAS operations | |
2699 | * @phba: lpfc_hba pointer. | |
2700 | * @vpt_wwpn: vport wwpn by reference. | |
2701 | * @tgt_wwpn: target wwpn by reference. | |
2702 | * @lun: the fc lun for setting oas state. | |
2703 | * @oas_state: the oas state to be set to the oas_lun. | |
2704 | * | |
2705 | * This routine enables (OAS_LUN_ENABLE) or disables (OAS_LUN_DISABLE) | |
2706 | * a lun for OAS operations. | |
2707 | * | |
2708 | * Return: | |
2709 | * SUCCESS: 0 | |
2710 | * -ENOMEM: failed to enable an lun for OAS operations | |
2711 | * -EPERM: OAS is not enabled | |
2712 | */ | |
2713 | static ssize_t | |
2714 | lpfc_oas_lun_state_change(struct lpfc_hba *phba, uint8_t vpt_wwpn[], | |
2715 | uint8_t tgt_wwpn[], uint64_t lun, | |
c92c841c | 2716 | uint32_t oas_state, uint8_t pri) |
1ba981fd JS |
2717 | { |
2718 | ||
2719 | int rc; | |
2720 | ||
2721 | rc = lpfc_oas_lun_state_set(phba, vpt_wwpn, tgt_wwpn, lun, | |
c92c841c | 2722 | oas_state, pri); |
1ba981fd JS |
2723 | return rc; |
2724 | } | |
2725 | ||
2726 | /** | |
2727 | * lpfc_oas_lun_show - Return oas enabled luns from a chosen target | |
2728 | * @dev: class device that is converted into a Scsi_host. | |
2729 | * @attr: device attribute, not used. | |
2730 | * @buf: buffer for passing information. | |
2731 | * | |
2732 | * This routine returns a lun enabled for OAS each time the function | |
2733 | * is called. | |
2734 | * | |
2735 | * Returns: | |
2736 | * SUCCESS: size of formatted string. | |
2737 | * -EFAULT: target or vport wwpn was not set properly. | |
2738 | * -EPERM: oas is not enabled. | |
2739 | **/ | |
2740 | static ssize_t | |
2741 | lpfc_oas_lun_show(struct device *dev, struct device_attribute *attr, | |
2742 | char *buf) | |
2743 | { | |
2744 | struct Scsi_Host *shost = class_to_shost(dev); | |
2745 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
2746 | ||
2747 | uint64_t oas_lun; | |
2748 | int len = 0; | |
2749 | ||
f38fa0bb | 2750 | if (!phba->cfg_fof) |
1ba981fd JS |
2751 | return -EPERM; |
2752 | ||
2753 | if (wwn_to_u64(phba->cfg_oas_vpt_wwpn) == 0) | |
2754 | if (!(phba->cfg_oas_flags & OAS_FIND_ANY_VPORT)) | |
2755 | return -EFAULT; | |
2756 | ||
2757 | if (wwn_to_u64(phba->cfg_oas_tgt_wwpn) == 0) | |
2758 | if (!(phba->cfg_oas_flags & OAS_FIND_ANY_TARGET)) | |
2759 | return -EFAULT; | |
2760 | ||
2761 | oas_lun = lpfc_oas_lun_get_next(phba, phba->cfg_oas_vpt_wwpn, | |
2762 | phba->cfg_oas_tgt_wwpn, | |
2763 | &phba->cfg_oas_lun_status); | |
2764 | if (oas_lun != NOT_OAS_ENABLED_LUN) | |
2765 | phba->cfg_oas_flags |= OAS_LUN_VALID; | |
2766 | ||
2767 | len += snprintf(buf + len, PAGE_SIZE-len, "0x%llx", oas_lun); | |
2768 | ||
2769 | return len; | |
2770 | } | |
2771 | ||
2772 | /** | |
2773 | * lpfc_oas_lun_store - Sets the OAS state for lun | |
2774 | * @dev: class device that is converted into a Scsi_host. | |
2775 | * @attr: device attribute, not used. | |
2776 | * @buf: buffer for passing information. | |
2777 | * | |
2778 | * This function sets the OAS state for lun. Before this function is called, | |
2779 | * the vport wwpn, target wwpn, and oas state need to be set. | |
2780 | * | |
2781 | * Returns: | |
2782 | * SUCCESS: size of formatted string. | |
2783 | * -EFAULT: target or vport wwpn was not set properly. | |
2784 | * -EPERM: oas is not enabled. | |
2785 | * size of formatted string. | |
2786 | **/ | |
2787 | static ssize_t | |
2788 | lpfc_oas_lun_store(struct device *dev, struct device_attribute *attr, | |
2789 | const char *buf, size_t count) | |
2790 | { | |
2791 | struct Scsi_Host *shost = class_to_shost(dev); | |
2792 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
2793 | uint64_t scsi_lun; | |
2794 | ssize_t rc; | |
2795 | ||
f38fa0bb | 2796 | if (!phba->cfg_fof) |
1ba981fd JS |
2797 | return -EPERM; |
2798 | ||
2799 | if (wwn_to_u64(phba->cfg_oas_vpt_wwpn) == 0) | |
2800 | return -EFAULT; | |
2801 | ||
2802 | if (wwn_to_u64(phba->cfg_oas_tgt_wwpn) == 0) | |
2803 | return -EFAULT; | |
2804 | ||
2805 | if (!isdigit(buf[0])) | |
2806 | return -EINVAL; | |
2807 | ||
2808 | if (sscanf(buf, "0x%llx", &scsi_lun) != 1) | |
2809 | return -EINVAL; | |
2810 | ||
2811 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
c92c841c JS |
2812 | "3372 Try to set vport 0x%llx target 0x%llx lun:0x%llx " |
2813 | "priority 0x%x with oas state %d\n", | |
1ba981fd JS |
2814 | wwn_to_u64(phba->cfg_oas_vpt_wwpn), |
2815 | wwn_to_u64(phba->cfg_oas_tgt_wwpn), scsi_lun, | |
c92c841c | 2816 | phba->cfg_oas_priority, phba->cfg_oas_lun_state); |
1ba981fd JS |
2817 | |
2818 | rc = lpfc_oas_lun_state_change(phba, phba->cfg_oas_vpt_wwpn, | |
c92c841c JS |
2819 | phba->cfg_oas_tgt_wwpn, scsi_lun, |
2820 | phba->cfg_oas_lun_state, | |
2821 | phba->cfg_oas_priority); | |
1ba981fd JS |
2822 | if (rc) |
2823 | return rc; | |
2824 | ||
2825 | return count; | |
2826 | } | |
2827 | static DEVICE_ATTR(lpfc_xlane_lun, S_IRUGO | S_IWUSR, | |
2828 | lpfc_oas_lun_show, lpfc_oas_lun_store); | |
c3f28afa | 2829 | |
875fbdfe | 2830 | static int lpfc_poll = 0; |
ab56dc2e | 2831 | module_param(lpfc_poll, int, S_IRUGO); |
875fbdfe JSEC |
2832 | MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:" |
2833 | " 0 - none," | |
2834 | " 1 - poll with interrupts enabled" | |
2835 | " 3 - poll and disable FCP ring interrupts"); | |
2836 | ||
ee959b00 TJ |
2837 | static DEVICE_ATTR(lpfc_poll, S_IRUGO | S_IWUSR, |
2838 | lpfc_poll_show, lpfc_poll_store); | |
dea3101e | 2839 | |
92d7f7b0 | 2840 | int lpfc_sli_mode = 0; |
ab56dc2e | 2841 | module_param(lpfc_sli_mode, int, S_IRUGO); |
92d7f7b0 JS |
2842 | MODULE_PARM_DESC(lpfc_sli_mode, "SLI mode selector:" |
2843 | " 0 - auto (SLI-3 if supported)," | |
2844 | " 2 - select SLI-2 even on SLI-3 capable HBAs," | |
2845 | " 3 - select SLI-3"); | |
2846 | ||
458c083e JS |
2847 | LPFC_ATTR_R(enable_npiv, 1, 0, 1, |
2848 | "Enable NPIV functionality"); | |
92d7f7b0 | 2849 | |
7d791df7 JS |
2850 | LPFC_ATTR_R(fcf_failover_policy, 1, 1, 2, |
2851 | "FCF Fast failover=1 Priority failover=2"); | |
2852 | ||
c14e9957 | 2853 | int lpfc_enable_rrq = 2; |
ab56dc2e | 2854 | module_param(lpfc_enable_rrq, int, S_IRUGO); |
19ca7609 JS |
2855 | MODULE_PARM_DESC(lpfc_enable_rrq, "Enable RRQ functionality"); |
2856 | lpfc_param_show(enable_rrq); | |
e5771b4d JS |
2857 | /* |
2858 | # lpfc_enable_rrq: Track XRI/OXID reuse after IO failures | |
2859 | # 0x0 = disabled, XRI/OXID use not tracked. | |
2860 | # 0x1 = XRI/OXID reuse is timed with ratov, RRQ sent. | |
2861 | # 0x2 = XRI/OXID reuse is timed with ratov, No RRQ sent. | |
2862 | */ | |
2863 | lpfc_param_init(enable_rrq, 2, 0, 2); | |
19ca7609 JS |
2864 | static DEVICE_ATTR(lpfc_enable_rrq, S_IRUGO, lpfc_enable_rrq_show, NULL); |
2865 | ||
84d1b006 JS |
2866 | /* |
2867 | # lpfc_suppress_link_up: Bring link up at initialization | |
2868 | # 0x0 = bring link up (issue MBX_INIT_LINK) | |
2869 | # 0x1 = do NOT bring link up at initialization(MBX_INIT_LINK) | |
2870 | # 0x2 = never bring up link | |
2871 | # Default value is 0. | |
2872 | */ | |
e40a02c1 JS |
2873 | LPFC_ATTR_R(suppress_link_up, LPFC_INITIALIZE_LINK, LPFC_INITIALIZE_LINK, |
2874 | LPFC_DELAY_INIT_LINK_INDEFINITELY, | |
2875 | "Suppress Link Up at initialization"); | |
2a9bf3d0 JS |
2876 | /* |
2877 | # lpfc_cnt: Number of IOCBs allocated for ELS, CT, and ABTS | |
2878 | # 1 - (1024) | |
2879 | # 2 - (2048) | |
2880 | # 3 - (3072) | |
2881 | # 4 - (4096) | |
2882 | # 5 - (5120) | |
2883 | */ | |
2884 | static ssize_t | |
2885 | lpfc_iocb_hw_show(struct device *dev, struct device_attribute *attr, char *buf) | |
2886 | { | |
2887 | struct Scsi_Host *shost = class_to_shost(dev); | |
2888 | struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba; | |
2889 | ||
2890 | return snprintf(buf, PAGE_SIZE, "%d\n", phba->iocb_max); | |
2891 | } | |
2892 | ||
2893 | static DEVICE_ATTR(iocb_hw, S_IRUGO, | |
2894 | lpfc_iocb_hw_show, NULL); | |
2895 | static ssize_t | |
2896 | lpfc_txq_hw_show(struct device *dev, struct device_attribute *attr, char *buf) | |
2897 | { | |
2898 | struct Scsi_Host *shost = class_to_shost(dev); | |
2899 | struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba; | |
2900 | ||
2901 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
2902 | phba->sli.ring[LPFC_ELS_RING].txq_max); | |
2903 | } | |
2904 | ||
2905 | static DEVICE_ATTR(txq_hw, S_IRUGO, | |
2906 | lpfc_txq_hw_show, NULL); | |
2907 | static ssize_t | |
2908 | lpfc_txcmplq_hw_show(struct device *dev, struct device_attribute *attr, | |
2909 | char *buf) | |
2910 | { | |
2911 | struct Scsi_Host *shost = class_to_shost(dev); | |
2912 | struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba; | |
2913 | ||
2914 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
2915 | phba->sli.ring[LPFC_ELS_RING].txcmplq_max); | |
2916 | } | |
2917 | ||
2918 | static DEVICE_ATTR(txcmplq_hw, S_IRUGO, | |
2919 | lpfc_txcmplq_hw_show, NULL); | |
2920 | ||
2921 | int lpfc_iocb_cnt = 2; | |
ab56dc2e | 2922 | module_param(lpfc_iocb_cnt, int, S_IRUGO); |
2a9bf3d0 JS |
2923 | MODULE_PARM_DESC(lpfc_iocb_cnt, |
2924 | "Number of IOCBs alloc for ELS, CT, and ABTS: 1k to 5k IOCBs"); | |
2925 | lpfc_param_show(iocb_cnt); | |
2926 | lpfc_param_init(iocb_cnt, 2, 1, 5); | |
2927 | static DEVICE_ATTR(lpfc_iocb_cnt, S_IRUGO, | |
2928 | lpfc_iocb_cnt_show, NULL); | |
84d1b006 | 2929 | |
c01f3208 JS |
2930 | /* |
2931 | # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear | |
2932 | # until the timer expires. Value range is [0,255]. Default value is 30. | |
2933 | */ | |
2934 | static int lpfc_nodev_tmo = LPFC_DEF_DEVLOSS_TMO; | |
2935 | static int lpfc_devloss_tmo = LPFC_DEF_DEVLOSS_TMO; | |
2936 | module_param(lpfc_nodev_tmo, int, 0); | |
2937 | MODULE_PARM_DESC(lpfc_nodev_tmo, | |
2938 | "Seconds driver will hold I/O waiting " | |
2939 | "for a device to come back"); | |
e59058c4 JS |
2940 | |
2941 | /** | |
3621a710 | 2942 | * lpfc_nodev_tmo_show - Return the hba dev loss timeout value |
e59058c4 JS |
2943 | * @dev: class converted to a Scsi_host structure. |
2944 | * @attr: device attribute, not used. | |
2945 | * @buf: on return contains the dev loss timeout in decimal. | |
2946 | * | |
2947 | * Returns: size of formatted string. | |
2948 | **/ | |
c01f3208 | 2949 | static ssize_t |
ee959b00 TJ |
2950 | lpfc_nodev_tmo_show(struct device *dev, struct device_attribute *attr, |
2951 | char *buf) | |
c01f3208 | 2952 | { |
ee959b00 | 2953 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 | 2954 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
e40a02c1 | 2955 | |
3de2a653 | 2956 | return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_devloss_tmo); |
c01f3208 JS |
2957 | } |
2958 | ||
e59058c4 | 2959 | /** |
3621a710 | 2960 | * lpfc_nodev_tmo_init - Set the hba nodev timeout value |
e59058c4 JS |
2961 | * @vport: lpfc vport structure pointer. |
2962 | * @val: contains the nodev timeout value. | |
2963 | * | |
2964 | * Description: | |
2965 | * If the devloss tmo is already set then nodev tmo is set to devloss tmo, | |
2966 | * a kernel error message is printed and zero is returned. | |
2967 | * Else if val is in range then nodev tmo and devloss tmo are set to val. | |
2968 | * Otherwise nodev tmo is set to the default value. | |
2969 | * | |
2970 | * Returns: | |
2971 | * zero if already set or if val is in range | |
2972 | * -EINVAL val out of range | |
2973 | **/ | |
c01f3208 | 2974 | static int |
3de2a653 JS |
2975 | lpfc_nodev_tmo_init(struct lpfc_vport *vport, int val) |
2976 | { | |
2977 | if (vport->cfg_devloss_tmo != LPFC_DEF_DEVLOSS_TMO) { | |
2978 | vport->cfg_nodev_tmo = vport->cfg_devloss_tmo; | |
2979 | if (val != LPFC_DEF_DEVLOSS_TMO) | |
e8b62011 | 2980 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 2981 | "0407 Ignoring nodev_tmo module " |
e8b62011 JS |
2982 | "parameter because devloss_tmo is " |
2983 | "set.\n"); | |
c01f3208 JS |
2984 | return 0; |
2985 | } | |
2986 | ||
2987 | if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { | |
3de2a653 JS |
2988 | vport->cfg_nodev_tmo = val; |
2989 | vport->cfg_devloss_tmo = val; | |
c01f3208 JS |
2990 | return 0; |
2991 | } | |
e8b62011 JS |
2992 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
2993 | "0400 lpfc_nodev_tmo attribute cannot be set to" | |
2994 | " %d, allowed range is [%d, %d]\n", | |
2995 | val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO); | |
3de2a653 | 2996 | vport->cfg_nodev_tmo = LPFC_DEF_DEVLOSS_TMO; |
c01f3208 JS |
2997 | return -EINVAL; |
2998 | } | |
2999 | ||
e59058c4 | 3000 | /** |
3621a710 | 3001 | * lpfc_update_rport_devloss_tmo - Update dev loss tmo value |
e59058c4 JS |
3002 | * @vport: lpfc vport structure pointer. |
3003 | * | |
3004 | * Description: | |
3005 | * Update all the ndlp's dev loss tmo with the vport devloss tmo value. | |
3006 | **/ | |
7054a606 | 3007 | static void |
3de2a653 | 3008 | lpfc_update_rport_devloss_tmo(struct lpfc_vport *vport) |
7054a606 | 3009 | { |
858c9f6c | 3010 | struct Scsi_Host *shost; |
7054a606 JS |
3011 | struct lpfc_nodelist *ndlp; |
3012 | ||
51ef4c26 JS |
3013 | shost = lpfc_shost_from_vport(vport); |
3014 | spin_lock_irq(shost->host_lock); | |
3015 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) | |
e47c9093 | 3016 | if (NLP_CHK_NODE_ACT(ndlp) && ndlp->rport) |
51ef4c26 JS |
3017 | ndlp->rport->dev_loss_tmo = vport->cfg_devloss_tmo; |
3018 | spin_unlock_irq(shost->host_lock); | |
7054a606 JS |
3019 | } |
3020 | ||
e59058c4 | 3021 | /** |
3621a710 | 3022 | * lpfc_nodev_tmo_set - Set the vport nodev tmo and devloss tmo values |
e59058c4 JS |
3023 | * @vport: lpfc vport structure pointer. |
3024 | * @val: contains the tmo value. | |
3025 | * | |
3026 | * Description: | |
3027 | * If the devloss tmo is already set or the vport dev loss tmo has changed | |
3028 | * then a kernel error message is printed and zero is returned. | |
3029 | * Else if val is in range then nodev tmo and devloss tmo are set to val. | |
3030 | * Otherwise nodev tmo is set to the default value. | |
3031 | * | |
3032 | * Returns: | |
3033 | * zero if already set or if val is in range | |
3034 | * -EINVAL val out of range | |
3035 | **/ | |
c01f3208 | 3036 | static int |
3de2a653 | 3037 | lpfc_nodev_tmo_set(struct lpfc_vport *vport, int val) |
c01f3208 | 3038 | { |
3de2a653 JS |
3039 | if (vport->dev_loss_tmo_changed || |
3040 | (lpfc_devloss_tmo != LPFC_DEF_DEVLOSS_TMO)) { | |
e8b62011 JS |
3041 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
3042 | "0401 Ignoring change to nodev_tmo " | |
3043 | "because devloss_tmo is set.\n"); | |
c01f3208 JS |
3044 | return 0; |
3045 | } | |
c01f3208 | 3046 | if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { |
3de2a653 JS |
3047 | vport->cfg_nodev_tmo = val; |
3048 | vport->cfg_devloss_tmo = val; | |
0af5d708 MC |
3049 | /* |
3050 | * For compat: set the fc_host dev loss so new rports | |
3051 | * will get the value. | |
3052 | */ | |
3053 | fc_host_dev_loss_tmo(lpfc_shost_from_vport(vport)) = val; | |
3de2a653 | 3054 | lpfc_update_rport_devloss_tmo(vport); |
c01f3208 JS |
3055 | return 0; |
3056 | } | |
e8b62011 JS |
3057 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
3058 | "0403 lpfc_nodev_tmo attribute cannot be set to" | |
3059 | "%d, allowed range is [%d, %d]\n", | |
3060 | val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO); | |
c01f3208 JS |
3061 | return -EINVAL; |
3062 | } | |
3063 | ||
3de2a653 | 3064 | lpfc_vport_param_store(nodev_tmo) |
c01f3208 | 3065 | |
ee959b00 TJ |
3066 | static DEVICE_ATTR(lpfc_nodev_tmo, S_IRUGO | S_IWUSR, |
3067 | lpfc_nodev_tmo_show, lpfc_nodev_tmo_store); | |
c01f3208 JS |
3068 | |
3069 | /* | |
3070 | # lpfc_devloss_tmo: If set, it will hold all I/O errors on devices that | |
3071 | # disappear until the timer expires. Value range is [0,255]. Default | |
3072 | # value is 30. | |
3073 | */ | |
ab56dc2e | 3074 | module_param(lpfc_devloss_tmo, int, S_IRUGO); |
c01f3208 JS |
3075 | MODULE_PARM_DESC(lpfc_devloss_tmo, |
3076 | "Seconds driver will hold I/O waiting " | |
3077 | "for a device to come back"); | |
3de2a653 JS |
3078 | lpfc_vport_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO, |
3079 | LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO) | |
3080 | lpfc_vport_param_show(devloss_tmo) | |
e59058c4 JS |
3081 | |
3082 | /** | |
3621a710 | 3083 | * lpfc_devloss_tmo_set - Sets vport nodev tmo, devloss tmo values, changed bit |
e59058c4 JS |
3084 | * @vport: lpfc vport structure pointer. |
3085 | * @val: contains the tmo value. | |
3086 | * | |
3087 | * Description: | |
3088 | * If val is in a valid range then set the vport nodev tmo, | |
3089 | * devloss tmo, also set the vport dev loss tmo changed flag. | |
3090 | * Else a kernel error message is printed. | |
3091 | * | |
3092 | * Returns: | |
3093 | * zero if val is in range | |
3094 | * -EINVAL val out of range | |
3095 | **/ | |
c01f3208 | 3096 | static int |
3de2a653 | 3097 | lpfc_devloss_tmo_set(struct lpfc_vport *vport, int val) |
c01f3208 JS |
3098 | { |
3099 | if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { | |
3de2a653 JS |
3100 | vport->cfg_nodev_tmo = val; |
3101 | vport->cfg_devloss_tmo = val; | |
3102 | vport->dev_loss_tmo_changed = 1; | |
0af5d708 | 3103 | fc_host_dev_loss_tmo(lpfc_shost_from_vport(vport)) = val; |
3de2a653 | 3104 | lpfc_update_rport_devloss_tmo(vport); |
c01f3208 JS |
3105 | return 0; |
3106 | } | |
3107 | ||
e8b62011 JS |
3108 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
3109 | "0404 lpfc_devloss_tmo attribute cannot be set to" | |
3110 | " %d, allowed range is [%d, %d]\n", | |
3111 | val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO); | |
c01f3208 JS |
3112 | return -EINVAL; |
3113 | } | |
3114 | ||
3de2a653 | 3115 | lpfc_vport_param_store(devloss_tmo) |
ee959b00 TJ |
3116 | static DEVICE_ATTR(lpfc_devloss_tmo, S_IRUGO | S_IWUSR, |
3117 | lpfc_devloss_tmo_show, lpfc_devloss_tmo_store); | |
c01f3208 | 3118 | |
dea3101e JB |
3119 | /* |
3120 | # lpfc_log_verbose: Only turn this flag on if you are willing to risk being | |
3121 | # deluged with LOTS of information. | |
3122 | # You can set a bit mask to record specific types of verbose messages: | |
f4b4c68f | 3123 | # See lpfc_logmsh.h for definitions. |
dea3101e | 3124 | */ |
f4b4c68f | 3125 | LPFC_VPORT_ATTR_HEX_RW(log_verbose, 0x0, 0x0, 0xffffffff, |
e8b62011 | 3126 | "Verbose logging bit-mask"); |
dea3101e | 3127 | |
7ee5d43e JS |
3128 | /* |
3129 | # lpfc_enable_da_id: This turns on the DA_ID CT command that deregisters | |
3130 | # objects that have been registered with the nameserver after login. | |
3131 | */ | |
cf971240 | 3132 | LPFC_VPORT_ATTR_R(enable_da_id, 1, 0, 1, |
7ee5d43e JS |
3133 | "Deregister nameserver objects before LOGO"); |
3134 | ||
dea3101e JB |
3135 | /* |
3136 | # lun_queue_depth: This parameter is used to limit the number of outstanding | |
572709e2 JS |
3137 | # commands per FCP LUN. Value range is [1,512]. Default value is 30. |
3138 | # If this parameter value is greater than 1/8th the maximum number of exchanges | |
3139 | # supported by the HBA port, then the lun queue depth will be reduced to | |
3140 | # 1/8th the maximum number of exchanges. | |
dea3101e | 3141 | */ |
572709e2 | 3142 | LPFC_VPORT_ATTR_R(lun_queue_depth, 30, 1, 512, |
3de2a653 | 3143 | "Max number of FCP commands we can queue to a specific LUN"); |
dea3101e | 3144 | |
7dc517df JS |
3145 | /* |
3146 | # tgt_queue_depth: This parameter is used to limit the number of outstanding | |
3147 | # commands per target port. Value range is [10,65535]. Default value is 65535. | |
3148 | */ | |
3149 | LPFC_VPORT_ATTR_R(tgt_queue_depth, 65535, 10, 65535, | |
572709e2 | 3150 | "Max number of FCP commands we can queue to a specific target port"); |
7dc517df | 3151 | |
b28485ac JW |
3152 | /* |
3153 | # hba_queue_depth: This parameter is used to limit the number of outstanding | |
3154 | # commands per lpfc HBA. Value range is [32,8192]. If this parameter | |
3155 | # value is greater than the maximum number of exchanges supported by the HBA, | |
3156 | # then maximum number of exchanges supported by the HBA is used to determine | |
3157 | # the hba_queue_depth. | |
3158 | */ | |
3159 | LPFC_ATTR_R(hba_queue_depth, 8192, 32, 8192, | |
3160 | "Max number of FCP commands we can queue to a lpfc HBA"); | |
3161 | ||
92d7f7b0 JS |
3162 | /* |
3163 | # peer_port_login: This parameter allows/prevents logins | |
3164 | # between peer ports hosted on the same physical port. | |
3165 | # When this parameter is set 0 peer ports of same physical port | |
3166 | # are not allowed to login to each other. | |
3167 | # When this parameter is set 1 peer ports of same physical port | |
3168 | # are allowed to login to each other. | |
3169 | # Default value of this parameter is 0. | |
3170 | */ | |
3de2a653 JS |
3171 | LPFC_VPORT_ATTR_R(peer_port_login, 0, 0, 1, |
3172 | "Allow peer ports on the same physical port to login to each " | |
3173 | "other."); | |
92d7f7b0 JS |
3174 | |
3175 | /* | |
3de2a653 | 3176 | # restrict_login: This parameter allows/prevents logins |
92d7f7b0 JS |
3177 | # between Virtual Ports and remote initiators. |
3178 | # When this parameter is not set (0) Virtual Ports will accept PLOGIs from | |
3179 | # other initiators and will attempt to PLOGI all remote ports. | |
3180 | # When this parameter is set (1) Virtual Ports will reject PLOGIs from | |
3181 | # remote ports and will not attempt to PLOGI to other initiators. | |
3182 | # This parameter does not restrict to the physical port. | |
3183 | # This parameter does not restrict logins to Fabric resident remote ports. | |
3184 | # Default value of this parameter is 1. | |
3185 | */ | |
3de2a653 | 3186 | static int lpfc_restrict_login = 1; |
ab56dc2e | 3187 | module_param(lpfc_restrict_login, int, S_IRUGO); |
3de2a653 JS |
3188 | MODULE_PARM_DESC(lpfc_restrict_login, |
3189 | "Restrict virtual ports login to remote initiators."); | |
3190 | lpfc_vport_param_show(restrict_login); | |
3191 | ||
e59058c4 | 3192 | /** |
3621a710 | 3193 | * lpfc_restrict_login_init - Set the vport restrict login flag |
e59058c4 JS |
3194 | * @vport: lpfc vport structure pointer. |
3195 | * @val: contains the restrict login value. | |
3196 | * | |
3197 | * Description: | |
3198 | * If val is not in a valid range then log a kernel error message and set | |
3199 | * the vport restrict login to one. | |
3200 | * If the port type is physical clear the restrict login flag and return. | |
3201 | * Else set the restrict login flag to val. | |
3202 | * | |
3203 | * Returns: | |
3204 | * zero if val is in range | |
3205 | * -EINVAL val out of range | |
3206 | **/ | |
3de2a653 JS |
3207 | static int |
3208 | lpfc_restrict_login_init(struct lpfc_vport *vport, int val) | |
3209 | { | |
3210 | if (val < 0 || val > 1) { | |
e8b62011 | 3211 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 3212 | "0422 lpfc_restrict_login attribute cannot " |
e8b62011 JS |
3213 | "be set to %d, allowed range is [0, 1]\n", |
3214 | val); | |
3de2a653 JS |
3215 | vport->cfg_restrict_login = 1; |
3216 | return -EINVAL; | |
3217 | } | |
3218 | if (vport->port_type == LPFC_PHYSICAL_PORT) { | |
3219 | vport->cfg_restrict_login = 0; | |
3220 | return 0; | |
3221 | } | |
3222 | vport->cfg_restrict_login = val; | |
3223 | return 0; | |
3224 | } | |
3225 | ||
e59058c4 | 3226 | /** |
3621a710 | 3227 | * lpfc_restrict_login_set - Set the vport restrict login flag |
e59058c4 JS |
3228 | * @vport: lpfc vport structure pointer. |
3229 | * @val: contains the restrict login value. | |
3230 | * | |
3231 | * Description: | |
3232 | * If val is not in a valid range then log a kernel error message and set | |
3233 | * the vport restrict login to one. | |
3234 | * If the port type is physical and the val is not zero log a kernel | |
3235 | * error message, clear the restrict login flag and return zero. | |
3236 | * Else set the restrict login flag to val. | |
3237 | * | |
3238 | * Returns: | |
3239 | * zero if val is in range | |
3240 | * -EINVAL val out of range | |
3241 | **/ | |
3de2a653 JS |
3242 | static int |
3243 | lpfc_restrict_login_set(struct lpfc_vport *vport, int val) | |
3244 | { | |
3245 | if (val < 0 || val > 1) { | |
e8b62011 | 3246 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 3247 | "0425 lpfc_restrict_login attribute cannot " |
e8b62011 JS |
3248 | "be set to %d, allowed range is [0, 1]\n", |
3249 | val); | |
3de2a653 JS |
3250 | vport->cfg_restrict_login = 1; |
3251 | return -EINVAL; | |
3252 | } | |
3253 | if (vport->port_type == LPFC_PHYSICAL_PORT && val != 0) { | |
e8b62011 JS |
3254 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
3255 | "0468 lpfc_restrict_login must be 0 for " | |
3256 | "Physical ports.\n"); | |
3de2a653 JS |
3257 | vport->cfg_restrict_login = 0; |
3258 | return 0; | |
3259 | } | |
3260 | vport->cfg_restrict_login = val; | |
3261 | return 0; | |
3262 | } | |
3263 | lpfc_vport_param_store(restrict_login); | |
ee959b00 TJ |
3264 | static DEVICE_ATTR(lpfc_restrict_login, S_IRUGO | S_IWUSR, |
3265 | lpfc_restrict_login_show, lpfc_restrict_login_store); | |
92d7f7b0 | 3266 | |
dea3101e JB |
3267 | /* |
3268 | # Some disk devices have a "select ID" or "select Target" capability. | |
3269 | # From a protocol standpoint "select ID" usually means select the | |
3270 | # Fibre channel "ALPA". In the FC-AL Profile there is an "informative | |
3271 | # annex" which contains a table that maps a "select ID" (a number | |
3272 | # between 0 and 7F) to an ALPA. By default, for compatibility with | |
3273 | # older drivers, the lpfc driver scans this table from low ALPA to high | |
3274 | # ALPA. | |
3275 | # | |
3276 | # Turning on the scan-down variable (on = 1, off = 0) will | |
3277 | # cause the lpfc driver to use an inverted table, effectively | |
3278 | # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1. | |
3279 | # | |
3280 | # (Note: This "select ID" functionality is a LOOP ONLY characteristic | |
3281 | # and will not work across a fabric. Also this parameter will take | |
3282 | # effect only in the case when ALPA map is not available.) | |
3283 | */ | |
3de2a653 JS |
3284 | LPFC_VPORT_ATTR_R(scan_down, 1, 0, 1, |
3285 | "Start scanning for devices from highest ALPA to lowest"); | |
dea3101e | 3286 | |
dea3101e JB |
3287 | /* |
3288 | # lpfc_topology: link topology for init link | |
3289 | # 0x0 = attempt loop mode then point-to-point | |
367c2713 | 3290 | # 0x01 = internal loopback mode |
dea3101e JB |
3291 | # 0x02 = attempt point-to-point mode only |
3292 | # 0x04 = attempt loop mode only | |
3293 | # 0x06 = attempt point-to-point mode then loop | |
3294 | # Set point-to-point mode if you want to run as an N_Port. | |
3295 | # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6]. | |
3296 | # Default value is 0. | |
3297 | */ | |
e59058c4 JS |
3298 | |
3299 | /** | |
3621a710 | 3300 | * lpfc_topology_set - Set the adapters topology field |
e59058c4 JS |
3301 | * @phba: lpfc_hba pointer. |
3302 | * @val: topology value. | |
3303 | * | |
3304 | * Description: | |
3305 | * If val is in a valid range then set the adapter's topology field and | |
3306 | * issue a lip; if the lip fails reset the topology to the old value. | |
3307 | * | |
3308 | * If the value is not in range log a kernel error message and return an error. | |
3309 | * | |
3310 | * Returns: | |
3311 | * zero if val is in range and lip okay | |
3312 | * non-zero return value from lpfc_issue_lip() | |
3313 | * -EINVAL val out of range | |
3314 | **/ | |
a257bf90 JS |
3315 | static ssize_t |
3316 | lpfc_topology_store(struct device *dev, struct device_attribute *attr, | |
3317 | const char *buf, size_t count) | |
83108bd3 | 3318 | { |
a257bf90 JS |
3319 | struct Scsi_Host *shost = class_to_shost(dev); |
3320 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
3321 | struct lpfc_hba *phba = vport->phba; | |
3322 | int val = 0; | |
3323 | int nolip = 0; | |
3324 | const char *val_buf = buf; | |
83108bd3 JS |
3325 | int err; |
3326 | uint32_t prev_val; | |
a257bf90 JS |
3327 | |
3328 | if (!strncmp(buf, "nolip ", strlen("nolip "))) { | |
3329 | nolip = 1; | |
3330 | val_buf = &buf[strlen("nolip ")]; | |
3331 | } | |
3332 | ||
3333 | if (!isdigit(val_buf[0])) | |
3334 | return -EINVAL; | |
3335 | if (sscanf(val_buf, "%i", &val) != 1) | |
3336 | return -EINVAL; | |
3337 | ||
83108bd3 JS |
3338 | if (val >= 0 && val <= 6) { |
3339 | prev_val = phba->cfg_topology; | |
ff78d8f9 JS |
3340 | if (phba->cfg_link_speed == LPFC_USER_LINK_SPEED_16G && |
3341 | val == 4) { | |
3342 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
3343 | "3113 Loop mode not supported at speed %d\n", | |
d38dd52c | 3344 | val); |
ff78d8f9 JS |
3345 | return -EINVAL; |
3346 | } | |
d38dd52c JS |
3347 | if (phba->pcidev->device == PCI_DEVICE_ID_LANCER_G6_FC && |
3348 | val == 4) { | |
3349 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
3350 | "3114 Loop mode not supported\n"); | |
3351 | return -EINVAL; | |
3352 | } | |
3353 | phba->cfg_topology = val; | |
a257bf90 JS |
3354 | if (nolip) |
3355 | return strlen(buf); | |
3356 | ||
88a2cfbb JS |
3357 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
3358 | "3054 lpfc_topology changed from %d to %d\n", | |
3359 | prev_val, val); | |
e74c03c8 JS |
3360 | if (prev_val != val && phba->sli_rev == LPFC_SLI_REV4) |
3361 | phba->fc_topology_changed = 1; | |
83108bd3 | 3362 | err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport)); |
a257bf90 | 3363 | if (err) { |
83108bd3 | 3364 | phba->cfg_topology = prev_val; |
a257bf90 JS |
3365 | return -EINVAL; |
3366 | } else | |
3367 | return strlen(buf); | |
83108bd3 JS |
3368 | } |
3369 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3370 | "%d:0467 lpfc_topology attribute cannot be set to %d, " | |
3371 | "allowed range is [0, 6]\n", | |
3372 | phba->brd_no, val); | |
3373 | return -EINVAL; | |
3374 | } | |
3375 | static int lpfc_topology = 0; | |
ab56dc2e | 3376 | module_param(lpfc_topology, int, S_IRUGO); |
83108bd3 JS |
3377 | MODULE_PARM_DESC(lpfc_topology, "Select Fibre Channel topology"); |
3378 | lpfc_param_show(topology) | |
3379 | lpfc_param_init(topology, 0, 0, 6) | |
ee959b00 | 3380 | static DEVICE_ATTR(lpfc_topology, S_IRUGO | S_IWUSR, |
83108bd3 | 3381 | lpfc_topology_show, lpfc_topology_store); |
dea3101e | 3382 | |
21e9a0a5 JS |
3383 | /** |
3384 | * lpfc_static_vport_show: Read callback function for | |
3385 | * lpfc_static_vport sysfs file. | |
3386 | * @dev: Pointer to class device object. | |
3387 | * @attr: device attribute structure. | |
3388 | * @buf: Data buffer. | |
3389 | * | |
3390 | * This function is the read call back function for | |
3391 | * lpfc_static_vport sysfs file. The lpfc_static_vport | |
3392 | * sysfs file report the mageability of the vport. | |
3393 | **/ | |
3394 | static ssize_t | |
3395 | lpfc_static_vport_show(struct device *dev, struct device_attribute *attr, | |
3396 | char *buf) | |
3397 | { | |
3398 | struct Scsi_Host *shost = class_to_shost(dev); | |
3399 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
3400 | if (vport->vport_flag & STATIC_VPORT) | |
3401 | sprintf(buf, "1\n"); | |
3402 | else | |
3403 | sprintf(buf, "0\n"); | |
3404 | ||
3405 | return strlen(buf); | |
3406 | } | |
3407 | ||
3408 | /* | |
3409 | * Sysfs attribute to control the statistical data collection. | |
3410 | */ | |
3411 | static DEVICE_ATTR(lpfc_static_vport, S_IRUGO, | |
3412 | lpfc_static_vport_show, NULL); | |
ea2151b4 JS |
3413 | |
3414 | /** | |
3621a710 | 3415 | * lpfc_stat_data_ctrl_store - write call back for lpfc_stat_data_ctrl sysfs file |
ea2151b4 JS |
3416 | * @dev: Pointer to class device. |
3417 | * @buf: Data buffer. | |
3418 | * @count: Size of the data buffer. | |
3419 | * | |
3420 | * This function get called when an user write to the lpfc_stat_data_ctrl | |
3421 | * sysfs file. This function parse the command written to the sysfs file | |
3422 | * and take appropriate action. These commands are used for controlling | |
3423 | * driver statistical data collection. | |
3424 | * Following are the command this function handles. | |
3425 | * | |
3426 | * setbucket <bucket_type> <base> <step> | |
3427 | * = Set the latency buckets. | |
3428 | * destroybucket = destroy all the buckets. | |
3429 | * start = start data collection | |
3430 | * stop = stop data collection | |
3431 | * reset = reset the collected data | |
3432 | **/ | |
3433 | static ssize_t | |
3434 | lpfc_stat_data_ctrl_store(struct device *dev, struct device_attribute *attr, | |
3435 | const char *buf, size_t count) | |
3436 | { | |
3437 | struct Scsi_Host *shost = class_to_shost(dev); | |
3438 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
3439 | struct lpfc_hba *phba = vport->phba; | |
3440 | #define LPFC_MAX_DATA_CTRL_LEN 1024 | |
3441 | static char bucket_data[LPFC_MAX_DATA_CTRL_LEN]; | |
3442 | unsigned long i; | |
3443 | char *str_ptr, *token; | |
3444 | struct lpfc_vport **vports; | |
3445 | struct Scsi_Host *v_shost; | |
3446 | char *bucket_type_str, *base_str, *step_str; | |
3447 | unsigned long base, step, bucket_type; | |
3448 | ||
3449 | if (!strncmp(buf, "setbucket", strlen("setbucket"))) { | |
a257bf90 | 3450 | if (strlen(buf) > (LPFC_MAX_DATA_CTRL_LEN - 1)) |
ea2151b4 JS |
3451 | return -EINVAL; |
3452 | ||
eb016566 | 3453 | strncpy(bucket_data, buf, LPFC_MAX_DATA_CTRL_LEN); |
ea2151b4 JS |
3454 | str_ptr = &bucket_data[0]; |
3455 | /* Ignore this token - this is command token */ | |
3456 | token = strsep(&str_ptr, "\t "); | |
3457 | if (!token) | |
3458 | return -EINVAL; | |
3459 | ||
3460 | bucket_type_str = strsep(&str_ptr, "\t "); | |
3461 | if (!bucket_type_str) | |
3462 | return -EINVAL; | |
3463 | ||
3464 | if (!strncmp(bucket_type_str, "linear", strlen("linear"))) | |
3465 | bucket_type = LPFC_LINEAR_BUCKET; | |
3466 | else if (!strncmp(bucket_type_str, "power2", strlen("power2"))) | |
3467 | bucket_type = LPFC_POWER2_BUCKET; | |
3468 | else | |
3469 | return -EINVAL; | |
3470 | ||
3471 | base_str = strsep(&str_ptr, "\t "); | |
3472 | if (!base_str) | |
3473 | return -EINVAL; | |
3474 | base = simple_strtoul(base_str, NULL, 0); | |
3475 | ||
3476 | step_str = strsep(&str_ptr, "\t "); | |
3477 | if (!step_str) | |
3478 | return -EINVAL; | |
3479 | step = simple_strtoul(step_str, NULL, 0); | |
3480 | if (!step) | |
3481 | return -EINVAL; | |
3482 | ||
3483 | /* Block the data collection for every vport */ | |
3484 | vports = lpfc_create_vport_work_array(phba); | |
3485 | if (vports == NULL) | |
3486 | return -ENOMEM; | |
3487 | ||
f4b4c68f | 3488 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
ea2151b4 JS |
3489 | v_shost = lpfc_shost_from_vport(vports[i]); |
3490 | spin_lock_irq(v_shost->host_lock); | |
3491 | /* Block and reset data collection */ | |
3492 | vports[i]->stat_data_blocked = 1; | |
3493 | if (vports[i]->stat_data_enabled) | |
3494 | lpfc_vport_reset_stat_data(vports[i]); | |
3495 | spin_unlock_irq(v_shost->host_lock); | |
3496 | } | |
3497 | ||
3498 | /* Set the bucket attributes */ | |
3499 | phba->bucket_type = bucket_type; | |
3500 | phba->bucket_base = base; | |
3501 | phba->bucket_step = step; | |
3502 | ||
f4b4c68f | 3503 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
ea2151b4 JS |
3504 | v_shost = lpfc_shost_from_vport(vports[i]); |
3505 | ||
3506 | /* Unblock data collection */ | |
3507 | spin_lock_irq(v_shost->host_lock); | |
3508 | vports[i]->stat_data_blocked = 0; | |
3509 | spin_unlock_irq(v_shost->host_lock); | |
3510 | } | |
3511 | lpfc_destroy_vport_work_array(phba, vports); | |
3512 | return strlen(buf); | |
3513 | } | |
3514 | ||
3515 | if (!strncmp(buf, "destroybucket", strlen("destroybucket"))) { | |
3516 | vports = lpfc_create_vport_work_array(phba); | |
3517 | if (vports == NULL) | |
3518 | return -ENOMEM; | |
3519 | ||
f4b4c68f | 3520 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
ea2151b4 JS |
3521 | v_shost = lpfc_shost_from_vport(vports[i]); |
3522 | spin_lock_irq(shost->host_lock); | |
3523 | vports[i]->stat_data_blocked = 1; | |
3524 | lpfc_free_bucket(vport); | |
3525 | vport->stat_data_enabled = 0; | |
3526 | vports[i]->stat_data_blocked = 0; | |
3527 | spin_unlock_irq(shost->host_lock); | |
3528 | } | |
3529 | lpfc_destroy_vport_work_array(phba, vports); | |
3530 | phba->bucket_type = LPFC_NO_BUCKET; | |
3531 | phba->bucket_base = 0; | |
3532 | phba->bucket_step = 0; | |
3533 | return strlen(buf); | |
3534 | } | |
3535 | ||
3536 | if (!strncmp(buf, "start", strlen("start"))) { | |
3537 | /* If no buckets configured return error */ | |
3538 | if (phba->bucket_type == LPFC_NO_BUCKET) | |
3539 | return -EINVAL; | |
3540 | spin_lock_irq(shost->host_lock); | |
3541 | if (vport->stat_data_enabled) { | |
3542 | spin_unlock_irq(shost->host_lock); | |
3543 | return strlen(buf); | |
3544 | } | |
3545 | lpfc_alloc_bucket(vport); | |
3546 | vport->stat_data_enabled = 1; | |
3547 | spin_unlock_irq(shost->host_lock); | |
3548 | return strlen(buf); | |
3549 | } | |
3550 | ||
3551 | if (!strncmp(buf, "stop", strlen("stop"))) { | |
3552 | spin_lock_irq(shost->host_lock); | |
3553 | if (vport->stat_data_enabled == 0) { | |
3554 | spin_unlock_irq(shost->host_lock); | |
3555 | return strlen(buf); | |
3556 | } | |
3557 | lpfc_free_bucket(vport); | |
3558 | vport->stat_data_enabled = 0; | |
3559 | spin_unlock_irq(shost->host_lock); | |
3560 | return strlen(buf); | |
3561 | } | |
3562 | ||
3563 | if (!strncmp(buf, "reset", strlen("reset"))) { | |
3564 | if ((phba->bucket_type == LPFC_NO_BUCKET) | |
3565 | || !vport->stat_data_enabled) | |
3566 | return strlen(buf); | |
3567 | spin_lock_irq(shost->host_lock); | |
3568 | vport->stat_data_blocked = 1; | |
3569 | lpfc_vport_reset_stat_data(vport); | |
3570 | vport->stat_data_blocked = 0; | |
3571 | spin_unlock_irq(shost->host_lock); | |
3572 | return strlen(buf); | |
3573 | } | |
3574 | return -EINVAL; | |
3575 | } | |
3576 | ||
3577 | ||
3578 | /** | |
3621a710 | 3579 | * lpfc_stat_data_ctrl_show - Read function for lpfc_stat_data_ctrl sysfs file |
ea2151b4 JS |
3580 | * @dev: Pointer to class device object. |
3581 | * @buf: Data buffer. | |
3582 | * | |
3583 | * This function is the read call back function for | |
3584 | * lpfc_stat_data_ctrl sysfs file. This function report the | |
3585 | * current statistical data collection state. | |
3586 | **/ | |
3587 | static ssize_t | |
3588 | lpfc_stat_data_ctrl_show(struct device *dev, struct device_attribute *attr, | |
3589 | char *buf) | |
3590 | { | |
3591 | struct Scsi_Host *shost = class_to_shost(dev); | |
3592 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
3593 | struct lpfc_hba *phba = vport->phba; | |
3594 | int index = 0; | |
3595 | int i; | |
3596 | char *bucket_type; | |
3597 | unsigned long bucket_value; | |
3598 | ||
3599 | switch (phba->bucket_type) { | |
3600 | case LPFC_LINEAR_BUCKET: | |
3601 | bucket_type = "linear"; | |
3602 | break; | |
3603 | case LPFC_POWER2_BUCKET: | |
3604 | bucket_type = "power2"; | |
3605 | break; | |
3606 | default: | |
3607 | bucket_type = "No Bucket"; | |
3608 | break; | |
3609 | } | |
3610 | ||
3611 | sprintf(&buf[index], "Statistical Data enabled :%d, " | |
3612 | "blocked :%d, Bucket type :%s, Bucket base :%d," | |
3613 | " Bucket step :%d\nLatency Ranges :", | |
3614 | vport->stat_data_enabled, vport->stat_data_blocked, | |
3615 | bucket_type, phba->bucket_base, phba->bucket_step); | |
3616 | index = strlen(buf); | |
3617 | if (phba->bucket_type != LPFC_NO_BUCKET) { | |
3618 | for (i = 0; i < LPFC_MAX_BUCKET_COUNT; i++) { | |
3619 | if (phba->bucket_type == LPFC_LINEAR_BUCKET) | |
3620 | bucket_value = phba->bucket_base + | |
3621 | phba->bucket_step * i; | |
3622 | else | |
3623 | bucket_value = phba->bucket_base + | |
3624 | (1 << i) * phba->bucket_step; | |
3625 | ||
3626 | if (index + 10 > PAGE_SIZE) | |
3627 | break; | |
3628 | sprintf(&buf[index], "%08ld ", bucket_value); | |
3629 | index = strlen(buf); | |
3630 | } | |
3631 | } | |
3632 | sprintf(&buf[index], "\n"); | |
3633 | return strlen(buf); | |
3634 | } | |
3635 | ||
3636 | /* | |
3637 | * Sysfs attribute to control the statistical data collection. | |
3638 | */ | |
3639 | static DEVICE_ATTR(lpfc_stat_data_ctrl, S_IRUGO | S_IWUSR, | |
3640 | lpfc_stat_data_ctrl_show, lpfc_stat_data_ctrl_store); | |
3641 | ||
3642 | /* | |
3643 | * lpfc_drvr_stat_data: sysfs attr to get driver statistical data. | |
3644 | */ | |
3645 | ||
3646 | /* | |
3647 | * Each Bucket takes 11 characters and 1 new line + 17 bytes WWN | |
3648 | * for each target. | |
3649 | */ | |
3650 | #define STAT_DATA_SIZE_PER_TARGET(NUM_BUCKETS) ((NUM_BUCKETS) * 11 + 18) | |
3651 | #define MAX_STAT_DATA_SIZE_PER_TARGET \ | |
3652 | STAT_DATA_SIZE_PER_TARGET(LPFC_MAX_BUCKET_COUNT) | |
3653 | ||
3654 | ||
3655 | /** | |
3621a710 | 3656 | * sysfs_drvr_stat_data_read - Read function for lpfc_drvr_stat_data attribute |
2c3c8bea | 3657 | * @filp: sysfs file |
ea2151b4 JS |
3658 | * @kobj: Pointer to the kernel object |
3659 | * @bin_attr: Attribute object | |
3660 | * @buff: Buffer pointer | |
3661 | * @off: File offset | |
3662 | * @count: Buffer size | |
3663 | * | |
3664 | * This function is the read call back function for lpfc_drvr_stat_data | |
3665 | * sysfs file. This function export the statistical data to user | |
3666 | * applications. | |
3667 | **/ | |
3668 | static ssize_t | |
2c3c8bea CW |
3669 | sysfs_drvr_stat_data_read(struct file *filp, struct kobject *kobj, |
3670 | struct bin_attribute *bin_attr, | |
ea2151b4 JS |
3671 | char *buf, loff_t off, size_t count) |
3672 | { | |
3673 | struct device *dev = container_of(kobj, struct device, | |
3674 | kobj); | |
3675 | struct Scsi_Host *shost = class_to_shost(dev); | |
3676 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
3677 | struct lpfc_hba *phba = vport->phba; | |
3678 | int i = 0, index = 0; | |
3679 | unsigned long nport_index; | |
3680 | struct lpfc_nodelist *ndlp = NULL; | |
3681 | nport_index = (unsigned long)off / | |
3682 | MAX_STAT_DATA_SIZE_PER_TARGET; | |
3683 | ||
3684 | if (!vport->stat_data_enabled || vport->stat_data_blocked | |
3685 | || (phba->bucket_type == LPFC_NO_BUCKET)) | |
3686 | return 0; | |
3687 | ||
3688 | spin_lock_irq(shost->host_lock); | |
3689 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { | |
3690 | if (!NLP_CHK_NODE_ACT(ndlp) || !ndlp->lat_data) | |
3691 | continue; | |
3692 | ||
3693 | if (nport_index > 0) { | |
3694 | nport_index--; | |
3695 | continue; | |
3696 | } | |
3697 | ||
3698 | if ((index + MAX_STAT_DATA_SIZE_PER_TARGET) | |
3699 | > count) | |
3700 | break; | |
3701 | ||
3702 | if (!ndlp->lat_data) | |
3703 | continue; | |
3704 | ||
3705 | /* Print the WWN */ | |
3706 | sprintf(&buf[index], "%02x%02x%02x%02x%02x%02x%02x%02x:", | |
3707 | ndlp->nlp_portname.u.wwn[0], | |
3708 | ndlp->nlp_portname.u.wwn[1], | |
3709 | ndlp->nlp_portname.u.wwn[2], | |
3710 | ndlp->nlp_portname.u.wwn[3], | |
3711 | ndlp->nlp_portname.u.wwn[4], | |
3712 | ndlp->nlp_portname.u.wwn[5], | |
3713 | ndlp->nlp_portname.u.wwn[6], | |
3714 | ndlp->nlp_portname.u.wwn[7]); | |
3715 | ||
3716 | index = strlen(buf); | |
3717 | ||
3718 | for (i = 0; i < LPFC_MAX_BUCKET_COUNT; i++) { | |
3719 | sprintf(&buf[index], "%010u,", | |
3720 | ndlp->lat_data[i].cmd_count); | |
3721 | index = strlen(buf); | |
3722 | } | |
3723 | sprintf(&buf[index], "\n"); | |
3724 | index = strlen(buf); | |
3725 | } | |
3726 | spin_unlock_irq(shost->host_lock); | |
3727 | return index; | |
3728 | } | |
3729 | ||
3730 | static struct bin_attribute sysfs_drvr_stat_data_attr = { | |
3731 | .attr = { | |
3732 | .name = "lpfc_drvr_stat_data", | |
3733 | .mode = S_IRUSR, | |
ea2151b4 JS |
3734 | }, |
3735 | .size = LPFC_MAX_TARGET * MAX_STAT_DATA_SIZE_PER_TARGET, | |
3736 | .read = sysfs_drvr_stat_data_read, | |
3737 | .write = NULL, | |
3738 | }; | |
3739 | ||
dea3101e JB |
3740 | /* |
3741 | # lpfc_link_speed: Link speed selection for initializing the Fibre Channel | |
3742 | # connection. | |
76a95d75 | 3743 | # Value range is [0,16]. Default value is 0. |
dea3101e | 3744 | */ |
e59058c4 | 3745 | /** |
3621a710 | 3746 | * lpfc_link_speed_set - Set the adapters link speed |
e59058c4 JS |
3747 | * @phba: lpfc_hba pointer. |
3748 | * @val: link speed value. | |
3749 | * | |
3750 | * Description: | |
3751 | * If val is in a valid range then set the adapter's link speed field and | |
3752 | * issue a lip; if the lip fails reset the link speed to the old value. | |
3753 | * | |
3754 | * Notes: | |
3755 | * If the value is not in range log a kernel error message and return an error. | |
3756 | * | |
3757 | * Returns: | |
3758 | * zero if val is in range and lip okay. | |
3759 | * non-zero return value from lpfc_issue_lip() | |
3760 | * -EINVAL val out of range | |
3761 | **/ | |
a257bf90 JS |
3762 | static ssize_t |
3763 | lpfc_link_speed_store(struct device *dev, struct device_attribute *attr, | |
3764 | const char *buf, size_t count) | |
83108bd3 | 3765 | { |
a257bf90 JS |
3766 | struct Scsi_Host *shost = class_to_shost(dev); |
3767 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
3768 | struct lpfc_hba *phba = vport->phba; | |
76a95d75 | 3769 | int val = LPFC_USER_LINK_SPEED_AUTO; |
a257bf90 JS |
3770 | int nolip = 0; |
3771 | const char *val_buf = buf; | |
83108bd3 JS |
3772 | int err; |
3773 | uint32_t prev_val; | |
3774 | ||
a257bf90 JS |
3775 | if (!strncmp(buf, "nolip ", strlen("nolip "))) { |
3776 | nolip = 1; | |
3777 | val_buf = &buf[strlen("nolip ")]; | |
3778 | } | |
3779 | ||
3780 | if (!isdigit(val_buf[0])) | |
3781 | return -EINVAL; | |
3782 | if (sscanf(val_buf, "%i", &val) != 1) | |
3783 | return -EINVAL; | |
3784 | ||
88a2cfbb JS |
3785 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
3786 | "3055 lpfc_link_speed changed from %d to %d %s\n", | |
3787 | phba->cfg_link_speed, val, nolip ? "(nolip)" : "(lip)"); | |
3788 | ||
76a95d75 JS |
3789 | if (((val == LPFC_USER_LINK_SPEED_1G) && !(phba->lmt & LMT_1Gb)) || |
3790 | ((val == LPFC_USER_LINK_SPEED_2G) && !(phba->lmt & LMT_2Gb)) || | |
3791 | ((val == LPFC_USER_LINK_SPEED_4G) && !(phba->lmt & LMT_4Gb)) || | |
3792 | ((val == LPFC_USER_LINK_SPEED_8G) && !(phba->lmt & LMT_8Gb)) || | |
3793 | ((val == LPFC_USER_LINK_SPEED_10G) && !(phba->lmt & LMT_10Gb)) || | |
d38dd52c JS |
3794 | ((val == LPFC_USER_LINK_SPEED_16G) && !(phba->lmt & LMT_16Gb)) || |
3795 | ((val == LPFC_USER_LINK_SPEED_32G) && !(phba->lmt & LMT_32Gb))) { | |
76a95d75 JS |
3796 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
3797 | "2879 lpfc_link_speed attribute cannot be set " | |
3798 | "to %d. Speed is not supported by this port.\n", | |
3799 | val); | |
83108bd3 | 3800 | return -EINVAL; |
76a95d75 | 3801 | } |
ff78d8f9 JS |
3802 | if (val == LPFC_USER_LINK_SPEED_16G && |
3803 | phba->fc_topology == LPFC_TOPOLOGY_LOOP) { | |
3804 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3805 | "3112 lpfc_link_speed attribute cannot be set " | |
3806 | "to %d. Speed is not supported in loop mode.\n", | |
3807 | val); | |
3808 | return -EINVAL; | |
3809 | } | |
76a95d75 JS |
3810 | if ((val >= 0) && (val <= LPFC_USER_LINK_SPEED_MAX) && |
3811 | (LPFC_USER_LINK_SPEED_BITMAP & (1 << val))) { | |
83108bd3 JS |
3812 | prev_val = phba->cfg_link_speed; |
3813 | phba->cfg_link_speed = val; | |
a257bf90 JS |
3814 | if (nolip) |
3815 | return strlen(buf); | |
3816 | ||
83108bd3 | 3817 | err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport)); |
a257bf90 | 3818 | if (err) { |
83108bd3 | 3819 | phba->cfg_link_speed = prev_val; |
a257bf90 JS |
3820 | return -EINVAL; |
3821 | } else | |
3822 | return strlen(buf); | |
83108bd3 | 3823 | } |
83108bd3 | 3824 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
76a95d75 JS |
3825 | "0469 lpfc_link_speed attribute cannot be set to %d, " |
3826 | "allowed values are ["LPFC_LINK_SPEED_STRING"]\n", val); | |
83108bd3 JS |
3827 | return -EINVAL; |
3828 | } | |
3829 | ||
3830 | static int lpfc_link_speed = 0; | |
ab56dc2e | 3831 | module_param(lpfc_link_speed, int, S_IRUGO); |
83108bd3 JS |
3832 | MODULE_PARM_DESC(lpfc_link_speed, "Select link speed"); |
3833 | lpfc_param_show(link_speed) | |
e59058c4 JS |
3834 | |
3835 | /** | |
3621a710 | 3836 | * lpfc_link_speed_init - Set the adapters link speed |
e59058c4 JS |
3837 | * @phba: lpfc_hba pointer. |
3838 | * @val: link speed value. | |
3839 | * | |
3840 | * Description: | |
3841 | * If val is in a valid range then set the adapter's link speed field. | |
3842 | * | |
3843 | * Notes: | |
3844 | * If the value is not in range log a kernel error message, clear the link | |
3845 | * speed and return an error. | |
3846 | * | |
3847 | * Returns: | |
3848 | * zero if val saved. | |
3849 | * -EINVAL val out of range | |
3850 | **/ | |
83108bd3 JS |
3851 | static int |
3852 | lpfc_link_speed_init(struct lpfc_hba *phba, int val) | |
3853 | { | |
ff78d8f9 JS |
3854 | if (val == LPFC_USER_LINK_SPEED_16G && phba->cfg_topology == 4) { |
3855 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3856 | "3111 lpfc_link_speed of %d cannot " | |
3857 | "support loop mode, setting topology to default.\n", | |
3858 | val); | |
3859 | phba->cfg_topology = 0; | |
3860 | } | |
76a95d75 JS |
3861 | if ((val >= 0) && (val <= LPFC_USER_LINK_SPEED_MAX) && |
3862 | (LPFC_USER_LINK_SPEED_BITMAP & (1 << val))) { | |
83108bd3 JS |
3863 | phba->cfg_link_speed = val; |
3864 | return 0; | |
3865 | } | |
3866 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
d7c255b2 | 3867 | "0405 lpfc_link_speed attribute cannot " |
83108bd3 JS |
3868 | "be set to %d, allowed values are " |
3869 | "["LPFC_LINK_SPEED_STRING"]\n", val); | |
76a95d75 | 3870 | phba->cfg_link_speed = LPFC_USER_LINK_SPEED_AUTO; |
83108bd3 JS |
3871 | return -EINVAL; |
3872 | } | |
3873 | ||
ee959b00 | 3874 | static DEVICE_ATTR(lpfc_link_speed, S_IRUGO | S_IWUSR, |
76a95d75 | 3875 | lpfc_link_speed_show, lpfc_link_speed_store); |
dea3101e | 3876 | |
0d878419 JS |
3877 | /* |
3878 | # lpfc_aer_support: Support PCIe device Advanced Error Reporting (AER) | |
3879 | # 0 = aer disabled or not supported | |
3880 | # 1 = aer supported and enabled (default) | |
3881 | # Value range is [0,1]. Default value is 1. | |
3882 | */ | |
3883 | ||
3884 | /** | |
3885 | * lpfc_aer_support_store - Set the adapter for aer support | |
3886 | * | |
3887 | * @dev: class device that is converted into a Scsi_host. | |
3888 | * @attr: device attribute, not used. | |
912e3acd | 3889 | * @buf: containing enable or disable aer flag. |
0d878419 JS |
3890 | * @count: unused variable. |
3891 | * | |
3892 | * Description: | |
3893 | * If the val is 1 and currently the device's AER capability was not | |
3894 | * enabled, invoke the kernel's enable AER helper routine, trying to | |
3895 | * enable the device's AER capability. If the helper routine enabling | |
3896 | * AER returns success, update the device's cfg_aer_support flag to | |
3897 | * indicate AER is supported by the device; otherwise, if the device | |
3898 | * AER capability is already enabled to support AER, then do nothing. | |
3899 | * | |
3900 | * If the val is 0 and currently the device's AER support was enabled, | |
3901 | * invoke the kernel's disable AER helper routine. After that, update | |
3902 | * the device's cfg_aer_support flag to indicate AER is not supported | |
3903 | * by the device; otherwise, if the device AER capability is already | |
3904 | * disabled from supporting AER, then do nothing. | |
3905 | * | |
3906 | * Returns: | |
3907 | * length of the buf on success if val is in range the intended mode | |
3908 | * is supported. | |
3909 | * -EINVAL if val out of range or intended mode is not supported. | |
3910 | **/ | |
3911 | static ssize_t | |
3912 | lpfc_aer_support_store(struct device *dev, struct device_attribute *attr, | |
3913 | const char *buf, size_t count) | |
3914 | { | |
3915 | struct Scsi_Host *shost = class_to_shost(dev); | |
3916 | struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; | |
3917 | struct lpfc_hba *phba = vport->phba; | |
3918 | int val = 0, rc = -EINVAL; | |
3919 | ||
3920 | if (!isdigit(buf[0])) | |
3921 | return -EINVAL; | |
3922 | if (sscanf(buf, "%i", &val) != 1) | |
3923 | return -EINVAL; | |
3924 | ||
3925 | switch (val) { | |
3926 | case 0: | |
3927 | if (phba->hba_flag & HBA_AER_ENABLED) { | |
3928 | rc = pci_disable_pcie_error_reporting(phba->pcidev); | |
3929 | if (!rc) { | |
3930 | spin_lock_irq(&phba->hbalock); | |
3931 | phba->hba_flag &= ~HBA_AER_ENABLED; | |
3932 | spin_unlock_irq(&phba->hbalock); | |
3933 | phba->cfg_aer_support = 0; | |
3934 | rc = strlen(buf); | |
3935 | } else | |
891478a2 JS |
3936 | rc = -EPERM; |
3937 | } else { | |
0d878419 | 3938 | phba->cfg_aer_support = 0; |
891478a2 JS |
3939 | rc = strlen(buf); |
3940 | } | |
0d878419 JS |
3941 | break; |
3942 | case 1: | |
3943 | if (!(phba->hba_flag & HBA_AER_ENABLED)) { | |
3944 | rc = pci_enable_pcie_error_reporting(phba->pcidev); | |
3945 | if (!rc) { | |
3946 | spin_lock_irq(&phba->hbalock); | |
3947 | phba->hba_flag |= HBA_AER_ENABLED; | |
3948 | spin_unlock_irq(&phba->hbalock); | |
3949 | phba->cfg_aer_support = 1; | |
3950 | rc = strlen(buf); | |
3951 | } else | |
891478a2 JS |
3952 | rc = -EPERM; |
3953 | } else { | |
0d878419 | 3954 | phba->cfg_aer_support = 1; |
891478a2 JS |
3955 | rc = strlen(buf); |
3956 | } | |
0d878419 JS |
3957 | break; |
3958 | default: | |
3959 | rc = -EINVAL; | |
3960 | break; | |
3961 | } | |
3962 | return rc; | |
3963 | } | |
3964 | ||
3965 | static int lpfc_aer_support = 1; | |
ab56dc2e | 3966 | module_param(lpfc_aer_support, int, S_IRUGO); |
0d878419 JS |
3967 | MODULE_PARM_DESC(lpfc_aer_support, "Enable PCIe device AER support"); |
3968 | lpfc_param_show(aer_support) | |
3969 | ||
3970 | /** | |
3971 | * lpfc_aer_support_init - Set the initial adapters aer support flag | |
3972 | * @phba: lpfc_hba pointer. | |
912e3acd | 3973 | * @val: enable aer or disable aer flag. |
0d878419 JS |
3974 | * |
3975 | * Description: | |
3976 | * If val is in a valid range [0,1], then set the adapter's initial | |
3977 | * cfg_aer_support field. It will be up to the driver's probe_one | |
3978 | * routine to determine whether the device's AER support can be set | |
3979 | * or not. | |
3980 | * | |
3981 | * Notes: | |
3982 | * If the value is not in range log a kernel error message, and | |
3983 | * choose the default value of setting AER support and return. | |
3984 | * | |
3985 | * Returns: | |
3986 | * zero if val saved. | |
3987 | * -EINVAL val out of range | |
3988 | **/ | |
3989 | static int | |
3990 | lpfc_aer_support_init(struct lpfc_hba *phba, int val) | |
3991 | { | |
3992 | if (val == 0 || val == 1) { | |
3993 | phba->cfg_aer_support = val; | |
3994 | return 0; | |
3995 | } | |
3996 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3997 | "2712 lpfc_aer_support attribute value %d out " | |
3998 | "of range, allowed values are 0|1, setting it " | |
3999 | "to default value of 1\n", val); | |
891478a2 | 4000 | /* By default, try to enable AER on a device */ |
0d878419 JS |
4001 | phba->cfg_aer_support = 1; |
4002 | return -EINVAL; | |
4003 | } | |
4004 | ||
4005 | static DEVICE_ATTR(lpfc_aer_support, S_IRUGO | S_IWUSR, | |
4006 | lpfc_aer_support_show, lpfc_aer_support_store); | |
4007 | ||
4008 | /** | |
4009 | * lpfc_aer_cleanup_state - Clean up aer state to the aer enabled device | |
4010 | * @dev: class device that is converted into a Scsi_host. | |
4011 | * @attr: device attribute, not used. | |
912e3acd | 4012 | * @buf: containing flag 1 for aer cleanup state. |
0d878419 JS |
4013 | * @count: unused variable. |
4014 | * | |
4015 | * Description: | |
4016 | * If the @buf contains 1 and the device currently has the AER support | |
4017 | * enabled, then invokes the kernel AER helper routine | |
4018 | * pci_cleanup_aer_uncorrect_error_status to clean up the uncorrectable | |
4019 | * error status register. | |
4020 | * | |
4021 | * Notes: | |
4022 | * | |
4023 | * Returns: | |
4024 | * -EINVAL if the buf does not contain the 1 or the device is not currently | |
4025 | * enabled with the AER support. | |
4026 | **/ | |
4027 | static ssize_t | |
4028 | lpfc_aer_cleanup_state(struct device *dev, struct device_attribute *attr, | |
4029 | const char *buf, size_t count) | |
4030 | { | |
4031 | struct Scsi_Host *shost = class_to_shost(dev); | |
4032 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
4033 | struct lpfc_hba *phba = vport->phba; | |
4034 | int val, rc = -1; | |
4035 | ||
4036 | if (!isdigit(buf[0])) | |
4037 | return -EINVAL; | |
4038 | if (sscanf(buf, "%i", &val) != 1) | |
4039 | return -EINVAL; | |
891478a2 JS |
4040 | if (val != 1) |
4041 | return -EINVAL; | |
0d878419 | 4042 | |
891478a2 | 4043 | if (phba->hba_flag & HBA_AER_ENABLED) |
0d878419 JS |
4044 | rc = pci_cleanup_aer_uncorrect_error_status(phba->pcidev); |
4045 | ||
4046 | if (rc == 0) | |
4047 | return strlen(buf); | |
4048 | else | |
891478a2 | 4049 | return -EPERM; |
0d878419 JS |
4050 | } |
4051 | ||
4052 | static DEVICE_ATTR(lpfc_aer_state_cleanup, S_IWUSR, NULL, | |
4053 | lpfc_aer_cleanup_state); | |
4054 | ||
912e3acd JS |
4055 | /** |
4056 | * lpfc_sriov_nr_virtfn_store - Enable the adapter for sr-iov virtual functions | |
4057 | * | |
4058 | * @dev: class device that is converted into a Scsi_host. | |
4059 | * @attr: device attribute, not used. | |
4060 | * @buf: containing the string the number of vfs to be enabled. | |
4061 | * @count: unused variable. | |
4062 | * | |
4063 | * Description: | |
4064 | * When this api is called either through user sysfs, the driver shall | |
4065 | * try to enable or disable SR-IOV virtual functions according to the | |
4066 | * following: | |
4067 | * | |
4068 | * If zero virtual function has been enabled to the physical function, | |
4069 | * the driver shall invoke the pci enable virtual function api trying | |
4070 | * to enable the virtual functions. If the nr_vfn provided is greater | |
4071 | * than the maximum supported, the maximum virtual function number will | |
4072 | * be used for invoking the api; otherwise, the nr_vfn provided shall | |
4073 | * be used for invoking the api. If the api call returned success, the | |
4074 | * actual number of virtual functions enabled will be set to the driver | |
4075 | * cfg_sriov_nr_virtfn; otherwise, -EINVAL shall be returned and driver | |
4076 | * cfg_sriov_nr_virtfn remains zero. | |
4077 | * | |
4078 | * If none-zero virtual functions have already been enabled to the | |
4079 | * physical function, as reflected by the driver's cfg_sriov_nr_virtfn, | |
4080 | * -EINVAL will be returned and the driver does nothing; | |
4081 | * | |
4082 | * If the nr_vfn provided is zero and none-zero virtual functions have | |
4083 | * been enabled, as indicated by the driver's cfg_sriov_nr_virtfn, the | |
4084 | * disabling virtual function api shall be invoded to disable all the | |
4085 | * virtual functions and driver's cfg_sriov_nr_virtfn shall be set to | |
4086 | * zero. Otherwise, if zero virtual function has been enabled, do | |
4087 | * nothing. | |
4088 | * | |
4089 | * Returns: | |
4090 | * length of the buf on success if val is in range the intended mode | |
4091 | * is supported. | |
4092 | * -EINVAL if val out of range or intended mode is not supported. | |
4093 | **/ | |
4094 | static ssize_t | |
4095 | lpfc_sriov_nr_virtfn_store(struct device *dev, struct device_attribute *attr, | |
4096 | const char *buf, size_t count) | |
4097 | { | |
4098 | struct Scsi_Host *shost = class_to_shost(dev); | |
4099 | struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; | |
4100 | struct lpfc_hba *phba = vport->phba; | |
4101 | struct pci_dev *pdev = phba->pcidev; | |
4102 | int val = 0, rc = -EINVAL; | |
4103 | ||
4104 | /* Sanity check on user data */ | |
4105 | if (!isdigit(buf[0])) | |
4106 | return -EINVAL; | |
4107 | if (sscanf(buf, "%i", &val) != 1) | |
4108 | return -EINVAL; | |
4109 | if (val < 0) | |
4110 | return -EINVAL; | |
4111 | ||
4112 | /* Request disabling virtual functions */ | |
4113 | if (val == 0) { | |
4114 | if (phba->cfg_sriov_nr_virtfn > 0) { | |
4115 | pci_disable_sriov(pdev); | |
4116 | phba->cfg_sriov_nr_virtfn = 0; | |
4117 | } | |
4118 | return strlen(buf); | |
4119 | } | |
4120 | ||
4121 | /* Request enabling virtual functions */ | |
4122 | if (phba->cfg_sriov_nr_virtfn > 0) { | |
4123 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4124 | "3018 There are %d virtual functions " | |
4125 | "enabled on physical function.\n", | |
4126 | phba->cfg_sriov_nr_virtfn); | |
4127 | return -EEXIST; | |
4128 | } | |
4129 | ||
4130 | if (val <= LPFC_MAX_VFN_PER_PFN) | |
4131 | phba->cfg_sriov_nr_virtfn = val; | |
4132 | else { | |
4133 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4134 | "3019 Enabling %d virtual functions is not " | |
4135 | "allowed.\n", val); | |
4136 | return -EINVAL; | |
4137 | } | |
4138 | ||
4139 | rc = lpfc_sli_probe_sriov_nr_virtfn(phba, phba->cfg_sriov_nr_virtfn); | |
4140 | if (rc) { | |
4141 | phba->cfg_sriov_nr_virtfn = 0; | |
4142 | rc = -EPERM; | |
4143 | } else | |
4144 | rc = strlen(buf); | |
4145 | ||
4146 | return rc; | |
4147 | } | |
4148 | ||
4149 | static int lpfc_sriov_nr_virtfn = LPFC_DEF_VFN_PER_PFN; | |
4150 | module_param(lpfc_sriov_nr_virtfn, int, S_IRUGO|S_IWUSR); | |
4151 | MODULE_PARM_DESC(lpfc_sriov_nr_virtfn, "Enable PCIe device SR-IOV virtual fn"); | |
4152 | lpfc_param_show(sriov_nr_virtfn) | |
4153 | ||
4154 | /** | |
4155 | * lpfc_sriov_nr_virtfn_init - Set the initial sr-iov virtual function enable | |
4156 | * @phba: lpfc_hba pointer. | |
4157 | * @val: link speed value. | |
4158 | * | |
4159 | * Description: | |
4160 | * If val is in a valid range [0,255], then set the adapter's initial | |
4161 | * cfg_sriov_nr_virtfn field. If it's greater than the maximum, the maximum | |
4162 | * number shall be used instead. It will be up to the driver's probe_one | |
4163 | * routine to determine whether the device's SR-IOV is supported or not. | |
4164 | * | |
4165 | * Returns: | |
4166 | * zero if val saved. | |
4167 | * -EINVAL val out of range | |
4168 | **/ | |
4169 | static int | |
4170 | lpfc_sriov_nr_virtfn_init(struct lpfc_hba *phba, int val) | |
4171 | { | |
4172 | if (val >= 0 && val <= LPFC_MAX_VFN_PER_PFN) { | |
4173 | phba->cfg_sriov_nr_virtfn = val; | |
4174 | return 0; | |
4175 | } | |
4176 | ||
4177 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4178 | "3017 Enabling %d virtual functions is not " | |
4179 | "allowed.\n", val); | |
4180 | return -EINVAL; | |
4181 | } | |
4182 | static DEVICE_ATTR(lpfc_sriov_nr_virtfn, S_IRUGO | S_IWUSR, | |
4183 | lpfc_sriov_nr_virtfn_show, lpfc_sriov_nr_virtfn_store); | |
4184 | ||
c71ab861 JS |
4185 | /** |
4186 | * lpfc_request_firmware_store - Request for Linux generic firmware upgrade | |
4187 | * | |
4188 | * @dev: class device that is converted into a Scsi_host. | |
4189 | * @attr: device attribute, not used. | |
4190 | * @buf: containing the string the number of vfs to be enabled. | |
4191 | * @count: unused variable. | |
4192 | * | |
4193 | * Description: | |
4194 | * | |
4195 | * Returns: | |
4196 | * length of the buf on success if val is in range the intended mode | |
4197 | * is supported. | |
4198 | * -EINVAL if val out of range or intended mode is not supported. | |
4199 | **/ | |
4200 | static ssize_t | |
4201 | lpfc_request_firmware_upgrade_store(struct device *dev, | |
4202 | struct device_attribute *attr, | |
4203 | const char *buf, size_t count) | |
4204 | { | |
4205 | struct Scsi_Host *shost = class_to_shost(dev); | |
4206 | struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; | |
4207 | struct lpfc_hba *phba = vport->phba; | |
4208 | int val = 0, rc = -EINVAL; | |
4209 | ||
4210 | /* Sanity check on user data */ | |
4211 | if (!isdigit(buf[0])) | |
4212 | return -EINVAL; | |
4213 | if (sscanf(buf, "%i", &val) != 1) | |
4214 | return -EINVAL; | |
4215 | if (val != 1) | |
4216 | return -EINVAL; | |
4217 | ||
4218 | rc = lpfc_sli4_request_firmware_update(phba, RUN_FW_UPGRADE); | |
4219 | if (rc) | |
4220 | rc = -EPERM; | |
4221 | else | |
4222 | rc = strlen(buf); | |
4223 | return rc; | |
4224 | } | |
4225 | ||
4226 | static int lpfc_req_fw_upgrade; | |
4227 | module_param(lpfc_req_fw_upgrade, int, S_IRUGO|S_IWUSR); | |
4228 | MODULE_PARM_DESC(lpfc_req_fw_upgrade, "Enable Linux generic firmware upgrade"); | |
4229 | lpfc_param_show(request_firmware_upgrade) | |
4230 | ||
4231 | /** | |
4232 | * lpfc_request_firmware_upgrade_init - Enable initial linux generic fw upgrade | |
4233 | * @phba: lpfc_hba pointer. | |
4234 | * @val: 0 or 1. | |
4235 | * | |
4236 | * Description: | |
4237 | * Set the initial Linux generic firmware upgrade enable or disable flag. | |
4238 | * | |
4239 | * Returns: | |
4240 | * zero if val saved. | |
4241 | * -EINVAL val out of range | |
4242 | **/ | |
4243 | static int | |
4244 | lpfc_request_firmware_upgrade_init(struct lpfc_hba *phba, int val) | |
4245 | { | |
4246 | if (val >= 0 && val <= 1) { | |
4247 | phba->cfg_request_firmware_upgrade = val; | |
4248 | return 0; | |
4249 | } | |
4250 | return -EINVAL; | |
4251 | } | |
4252 | static DEVICE_ATTR(lpfc_req_fw_upgrade, S_IRUGO | S_IWUSR, | |
4253 | lpfc_request_firmware_upgrade_show, | |
4254 | lpfc_request_firmware_upgrade_store); | |
4255 | ||
173edbb2 JS |
4256 | /** |
4257 | * lpfc_fcp_imax_store | |
4258 | * | |
4259 | * @dev: class device that is converted into a Scsi_host. | |
4260 | * @attr: device attribute, not used. | |
4261 | * @buf: string with the number of fast-path FCP interrupts per second. | |
4262 | * @count: unused variable. | |
4263 | * | |
4264 | * Description: | |
4265 | * If val is in a valid range [636,651042], then set the adapter's | |
4266 | * maximum number of fast-path FCP interrupts per second. | |
4267 | * | |
4268 | * Returns: | |
4269 | * length of the buf on success if val is in range the intended mode | |
4270 | * is supported. | |
4271 | * -EINVAL if val out of range or intended mode is not supported. | |
4272 | **/ | |
4273 | static ssize_t | |
4274 | lpfc_fcp_imax_store(struct device *dev, struct device_attribute *attr, | |
4275 | const char *buf, size_t count) | |
4276 | { | |
4277 | struct Scsi_Host *shost = class_to_shost(dev); | |
4278 | struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; | |
4279 | struct lpfc_hba *phba = vport->phba; | |
4280 | int val = 0, i; | |
4281 | ||
bf8dae83 JS |
4282 | /* fcp_imax is only valid for SLI4 */ |
4283 | if (phba->sli_rev != LPFC_SLI_REV4) | |
4284 | return -EINVAL; | |
4285 | ||
173edbb2 JS |
4286 | /* Sanity check on user data */ |
4287 | if (!isdigit(buf[0])) | |
4288 | return -EINVAL; | |
4289 | if (sscanf(buf, "%i", &val) != 1) | |
4290 | return -EINVAL; | |
4291 | ||
bf8dae83 JS |
4292 | /* |
4293 | * Value range for the HBA is [5000,5000000] | |
4294 | * The value for each EQ depends on how many EQs are configured. | |
4295 | */ | |
4296 | if (val < LPFC_MIN_IMAX || val > LPFC_MAX_IMAX) | |
173edbb2 JS |
4297 | return -EINVAL; |
4298 | ||
4299 | phba->cfg_fcp_imax = (uint32_t)val; | |
67d12733 | 4300 | for (i = 0; i < phba->cfg_fcp_io_channel; i += LPFC_MAX_EQ_DELAY) |
173edbb2 JS |
4301 | lpfc_modify_fcp_eq_delay(phba, i); |
4302 | ||
4303 | return strlen(buf); | |
4304 | } | |
4305 | ||
4306 | /* | |
4307 | # lpfc_fcp_imax: The maximum number of fast-path FCP interrupts per second | |
bf8dae83 | 4308 | # for the HBA. |
173edbb2 | 4309 | # |
bf8dae83 | 4310 | # Value range is [5,000 to 5,000,000]. Default value is 50,000. |
173edbb2 | 4311 | */ |
bf8dae83 | 4312 | static int lpfc_fcp_imax = LPFC_DEF_IMAX; |
173edbb2 JS |
4313 | module_param(lpfc_fcp_imax, int, S_IRUGO|S_IWUSR); |
4314 | MODULE_PARM_DESC(lpfc_fcp_imax, | |
bf8dae83 | 4315 | "Set the maximum number of FCP interrupts per second per HBA"); |
173edbb2 JS |
4316 | lpfc_param_show(fcp_imax) |
4317 | ||
4318 | /** | |
4319 | * lpfc_fcp_imax_init - Set the initial sr-iov virtual function enable | |
4320 | * @phba: lpfc_hba pointer. | |
4321 | * @val: link speed value. | |
4322 | * | |
4323 | * Description: | |
4324 | * If val is in a valid range [636,651042], then initialize the adapter's | |
4325 | * maximum number of fast-path FCP interrupts per second. | |
4326 | * | |
4327 | * Returns: | |
4328 | * zero if val saved. | |
4329 | * -EINVAL val out of range | |
4330 | **/ | |
4331 | static int | |
4332 | lpfc_fcp_imax_init(struct lpfc_hba *phba, int val) | |
4333 | { | |
bf8dae83 JS |
4334 | if (phba->sli_rev != LPFC_SLI_REV4) { |
4335 | phba->cfg_fcp_imax = 0; | |
4336 | return 0; | |
4337 | } | |
4338 | ||
4339 | if (val >= LPFC_MIN_IMAX && val <= LPFC_MAX_IMAX) { | |
173edbb2 JS |
4340 | phba->cfg_fcp_imax = val; |
4341 | return 0; | |
4342 | } | |
4343 | ||
4344 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4345 | "3016 fcp_imax: %d out of range, using default\n", val); | |
bf8dae83 | 4346 | phba->cfg_fcp_imax = LPFC_DEF_IMAX; |
173edbb2 JS |
4347 | |
4348 | return 0; | |
4349 | } | |
4350 | ||
4351 | static DEVICE_ATTR(lpfc_fcp_imax, S_IRUGO | S_IWUSR, | |
4352 | lpfc_fcp_imax_show, lpfc_fcp_imax_store); | |
4353 | ||
7bb03bbf JS |
4354 | /** |
4355 | * lpfc_state_show - Display current driver CPU affinity | |
4356 | * @dev: class converted to a Scsi_host structure. | |
4357 | * @attr: device attribute, not used. | |
4358 | * @buf: on return contains text describing the state of the link. | |
4359 | * | |
4360 | * Returns: size of formatted string. | |
4361 | **/ | |
4362 | static ssize_t | |
4363 | lpfc_fcp_cpu_map_show(struct device *dev, struct device_attribute *attr, | |
4364 | char *buf) | |
4365 | { | |
4366 | struct Scsi_Host *shost = class_to_shost(dev); | |
4367 | struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; | |
4368 | struct lpfc_hba *phba = vport->phba; | |
4369 | struct lpfc_vector_map_info *cpup; | |
76fd07a6 | 4370 | int len = 0; |
7bb03bbf JS |
4371 | |
4372 | if ((phba->sli_rev != LPFC_SLI_REV4) || | |
4373 | (phba->intr_type != MSIX)) | |
4374 | return len; | |
4375 | ||
4376 | switch (phba->cfg_fcp_cpu_map) { | |
4377 | case 0: | |
4378 | len += snprintf(buf + len, PAGE_SIZE-len, | |
4379 | "fcp_cpu_map: No mapping (%d)\n", | |
4380 | phba->cfg_fcp_cpu_map); | |
4381 | return len; | |
4382 | case 1: | |
4383 | len += snprintf(buf + len, PAGE_SIZE-len, | |
4384 | "fcp_cpu_map: HBA centric mapping (%d): " | |
4385 | "%d online CPUs\n", | |
4386 | phba->cfg_fcp_cpu_map, | |
4387 | phba->sli4_hba.num_online_cpu); | |
4388 | break; | |
4389 | case 2: | |
4390 | len += snprintf(buf + len, PAGE_SIZE-len, | |
4391 | "fcp_cpu_map: Driver centric mapping (%d): " | |
4392 | "%d online CPUs\n", | |
4393 | phba->cfg_fcp_cpu_map, | |
4394 | phba->sli4_hba.num_online_cpu); | |
4395 | break; | |
4396 | } | |
4397 | ||
76fd07a6 JS |
4398 | while (phba->sli4_hba.curr_disp_cpu < phba->sli4_hba.num_present_cpu) { |
4399 | cpup = &phba->sli4_hba.cpu_map[phba->sli4_hba.curr_disp_cpu]; | |
4400 | ||
4401 | /* margin should fit in this and the truncated message */ | |
7bb03bbf JS |
4402 | if (cpup->irq == LPFC_VECTOR_MAP_EMPTY) |
4403 | len += snprintf(buf + len, PAGE_SIZE-len, | |
4404 | "CPU %02d io_chan %02d " | |
4405 | "physid %d coreid %d\n", | |
76fd07a6 JS |
4406 | phba->sli4_hba.curr_disp_cpu, |
4407 | cpup->channel_id, cpup->phys_id, | |
7bb03bbf JS |
4408 | cpup->core_id); |
4409 | else | |
4410 | len += snprintf(buf + len, PAGE_SIZE-len, | |
4411 | "CPU %02d io_chan %02d " | |
4412 | "physid %d coreid %d IRQ %d\n", | |
76fd07a6 JS |
4413 | phba->sli4_hba.curr_disp_cpu, |
4414 | cpup->channel_id, cpup->phys_id, | |
7bb03bbf JS |
4415 | cpup->core_id, cpup->irq); |
4416 | ||
76fd07a6 JS |
4417 | phba->sli4_hba.curr_disp_cpu++; |
4418 | ||
4419 | /* display max number of CPUs keeping some margin */ | |
4420 | if (phba->sli4_hba.curr_disp_cpu < | |
4421 | phba->sli4_hba.num_present_cpu && | |
4422 | (len >= (PAGE_SIZE - 64))) { | |
4423 | len += snprintf(buf + len, PAGE_SIZE-len, "more...\n"); | |
4424 | break; | |
4425 | } | |
7bb03bbf | 4426 | } |
76fd07a6 JS |
4427 | |
4428 | if (phba->sli4_hba.curr_disp_cpu == phba->sli4_hba.num_present_cpu) | |
4429 | phba->sli4_hba.curr_disp_cpu = 0; | |
4430 | ||
7bb03bbf JS |
4431 | return len; |
4432 | } | |
4433 | ||
4434 | /** | |
4435 | * lpfc_fcp_cpu_map_store - Change CPU affinity of driver vectors | |
4436 | * @dev: class device that is converted into a Scsi_host. | |
4437 | * @attr: device attribute, not used. | |
4438 | * @buf: one or more lpfc_polling_flags values. | |
4439 | * @count: not used. | |
4440 | * | |
4441 | * Returns: | |
4442 | * -EINVAL - Not implemented yet. | |
4443 | **/ | |
4444 | static ssize_t | |
4445 | lpfc_fcp_cpu_map_store(struct device *dev, struct device_attribute *attr, | |
4446 | const char *buf, size_t count) | |
4447 | { | |
4448 | int status = -EINVAL; | |
4449 | return status; | |
4450 | } | |
4451 | ||
4452 | /* | |
4453 | # lpfc_fcp_cpu_map: Defines how to map CPUs to IRQ vectors | |
4454 | # for the HBA. | |
4455 | # | |
4456 | # Value range is [0 to 2]. Default value is LPFC_DRIVER_CPU_MAP (2). | |
4457 | # 0 - Do not affinitze IRQ vectors | |
4458 | # 1 - Affintize HBA vectors with respect to each HBA | |
4459 | # (start with CPU0 for each HBA) | |
4460 | # 2 - Affintize HBA vectors with respect to the entire driver | |
4461 | # (round robin thru all CPUs across all HBAs) | |
4462 | */ | |
4463 | static int lpfc_fcp_cpu_map = LPFC_DRIVER_CPU_MAP; | |
4464 | module_param(lpfc_fcp_cpu_map, int, S_IRUGO|S_IWUSR); | |
4465 | MODULE_PARM_DESC(lpfc_fcp_cpu_map, | |
4466 | "Defines how to map CPUs to IRQ vectors per HBA"); | |
4467 | ||
4468 | /** | |
4469 | * lpfc_fcp_cpu_map_init - Set the initial sr-iov virtual function enable | |
4470 | * @phba: lpfc_hba pointer. | |
4471 | * @val: link speed value. | |
4472 | * | |
4473 | * Description: | |
4474 | * If val is in a valid range [0-2], then affinitze the adapter's | |
4475 | * MSIX vectors. | |
4476 | * | |
4477 | * Returns: | |
4478 | * zero if val saved. | |
4479 | * -EINVAL val out of range | |
4480 | **/ | |
4481 | static int | |
4482 | lpfc_fcp_cpu_map_init(struct lpfc_hba *phba, int val) | |
4483 | { | |
4484 | if (phba->sli_rev != LPFC_SLI_REV4) { | |
4485 | phba->cfg_fcp_cpu_map = 0; | |
4486 | return 0; | |
4487 | } | |
4488 | ||
4489 | if (val >= LPFC_MIN_CPU_MAP && val <= LPFC_MAX_CPU_MAP) { | |
4490 | phba->cfg_fcp_cpu_map = val; | |
4491 | return 0; | |
4492 | } | |
4493 | ||
4494 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4495 | "3326 fcp_cpu_map: %d out of range, using default\n", | |
4496 | val); | |
4497 | phba->cfg_fcp_cpu_map = LPFC_DRIVER_CPU_MAP; | |
4498 | ||
4499 | return 0; | |
4500 | } | |
4501 | ||
4502 | static DEVICE_ATTR(lpfc_fcp_cpu_map, S_IRUGO | S_IWUSR, | |
4503 | lpfc_fcp_cpu_map_show, lpfc_fcp_cpu_map_store); | |
4504 | ||
dea3101e JB |
4505 | /* |
4506 | # lpfc_fcp_class: Determines FC class to use for the FCP protocol. | |
4507 | # Value range is [2,3]. Default value is 3. | |
4508 | */ | |
3de2a653 JS |
4509 | LPFC_VPORT_ATTR_R(fcp_class, 3, 2, 3, |
4510 | "Select Fibre Channel class of service for FCP sequences"); | |
dea3101e JB |
4511 | |
4512 | /* | |
4513 | # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range | |
4514 | # is [0,1]. Default value is 0. | |
4515 | */ | |
3de2a653 JS |
4516 | LPFC_VPORT_ATTR_RW(use_adisc, 0, 0, 1, |
4517 | "Use ADISC on rediscovery to authenticate FCP devices"); | |
dea3101e | 4518 | |
3cb01c57 JS |
4519 | /* |
4520 | # lpfc_first_burst_size: First burst size to use on the NPorts | |
4521 | # that support first burst. | |
4522 | # Value range is [0,65536]. Default value is 0. | |
4523 | */ | |
4524 | LPFC_VPORT_ATTR_RW(first_burst_size, 0, 0, 65536, | |
4525 | "First burst size for Targets that support first burst"); | |
4526 | ||
977b5a0a JS |
4527 | /* |
4528 | # lpfc_max_scsicmpl_time: Use scsi command completion time to control I/O queue | |
4529 | # depth. Default value is 0. When the value of this parameter is zero the | |
4530 | # SCSI command completion time is not used for controlling I/O queue depth. When | |
4531 | # the parameter is set to a non-zero value, the I/O queue depth is controlled | |
4532 | # to limit the I/O completion time to the parameter value. | |
4533 | # The value is set in milliseconds. | |
4534 | */ | |
4535 | static int lpfc_max_scsicmpl_time; | |
ab56dc2e | 4536 | module_param(lpfc_max_scsicmpl_time, int, S_IRUGO); |
977b5a0a JS |
4537 | MODULE_PARM_DESC(lpfc_max_scsicmpl_time, |
4538 | "Use command completion time to control queue depth"); | |
4539 | lpfc_vport_param_show(max_scsicmpl_time); | |
4540 | lpfc_vport_param_init(max_scsicmpl_time, 0, 0, 60000); | |
4541 | static int | |
4542 | lpfc_max_scsicmpl_time_set(struct lpfc_vport *vport, int val) | |
4543 | { | |
4544 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
4545 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
4546 | ||
4547 | if (val == vport->cfg_max_scsicmpl_time) | |
4548 | return 0; | |
4549 | if ((val < 0) || (val > 60000)) | |
4550 | return -EINVAL; | |
4551 | vport->cfg_max_scsicmpl_time = val; | |
4552 | ||
4553 | spin_lock_irq(shost->host_lock); | |
4554 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { | |
4555 | if (!NLP_CHK_NODE_ACT(ndlp)) | |
4556 | continue; | |
4557 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) | |
4558 | continue; | |
7dc517df | 4559 | ndlp->cmd_qdepth = vport->cfg_tgt_queue_depth; |
977b5a0a JS |
4560 | } |
4561 | spin_unlock_irq(shost->host_lock); | |
4562 | return 0; | |
4563 | } | |
4564 | lpfc_vport_param_store(max_scsicmpl_time); | |
4565 | static DEVICE_ATTR(lpfc_max_scsicmpl_time, S_IRUGO | S_IWUSR, | |
4566 | lpfc_max_scsicmpl_time_show, | |
4567 | lpfc_max_scsicmpl_time_store); | |
4568 | ||
dea3101e JB |
4569 | /* |
4570 | # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value | |
4571 | # range is [0,1]. Default value is 0. | |
4572 | */ | |
4573 | LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support"); | |
4574 | ||
49aa143d JS |
4575 | /* |
4576 | # lpfc_fcp_io_sched: Determine scheduling algrithmn for issuing FCP cmds | |
4577 | # range is [0,1]. Default value is 0. | |
4578 | # For [0], FCP commands are issued to Work Queues ina round robin fashion. | |
4579 | # For [1], FCP commands are issued to a Work Queue associated with the | |
4580 | # current CPU. | |
ec2087a7 JS |
4581 | # It would be set to 1 by the driver if it's able to set up cpu affinity |
4582 | # for FCP I/Os through Work Queue associated with the current CPU. Otherwise, | |
4583 | # roundrobin scheduling of FCP I/Os through WQs will be used. | |
49aa143d | 4584 | */ |
ec2087a7 | 4585 | LPFC_ATTR_RW(fcp_io_sched, 0, 0, 1, "Determine scheduling algorithm for " |
49aa143d JS |
4586 | "issuing commands [0] - Round Robin, [1] - Current CPU"); |
4587 | ||
a6571c6e JS |
4588 | /* |
4589 | # lpfc_fcp2_no_tgt_reset: Determine bus reset behavior | |
4590 | # range is [0,1]. Default value is 0. | |
4591 | # For [0], bus reset issues target reset to ALL devices | |
4592 | # For [1], bus reset issues target reset to non-FCP2 devices | |
4593 | */ | |
4594 | LPFC_ATTR_RW(fcp2_no_tgt_reset, 0, 0, 1, "Determine bus reset behavior for " | |
4595 | "FCP2 devices [0] - issue tgt reset, [1] - no tgt reset"); | |
4596 | ||
4597 | ||
dea3101e JB |
4598 | /* |
4599 | # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing | |
4600 | # cr_delay (msec) or cr_count outstanding commands. cr_delay can take | |
7054a606 | 4601 | # value [0,63]. cr_count can take value [1,255]. Default value of cr_delay |
dea3101e JB |
4602 | # is 0. Default value of cr_count is 1. The cr_count feature is disabled if |
4603 | # cr_delay is set to 0. | |
4604 | */ | |
8189fd19 | 4605 | LPFC_ATTR_RW(cr_delay, 0, 0, 63, "A count of milliseconds after which an " |
dea3101e JB |
4606 | "interrupt response is generated"); |
4607 | ||
8189fd19 | 4608 | LPFC_ATTR_RW(cr_count, 1, 1, 255, "A count of I/O completions after which an " |
dea3101e JB |
4609 | "interrupt response is generated"); |
4610 | ||
cf5bf97e JW |
4611 | /* |
4612 | # lpfc_multi_ring_support: Determines how many rings to spread available | |
4613 | # cmd/rsp IOCB entries across. | |
4614 | # Value range is [1,2]. Default value is 1. | |
4615 | */ | |
4616 | LPFC_ATTR_R(multi_ring_support, 1, 1, 2, "Determines number of primary " | |
4617 | "SLI rings to spread IOCB entries across"); | |
4618 | ||
a4bc3379 JS |
4619 | /* |
4620 | # lpfc_multi_ring_rctl: If lpfc_multi_ring_support is enabled, this | |
4621 | # identifies what rctl value to configure the additional ring for. | |
4622 | # Value range is [1,0xff]. Default value is 4 (Unsolicated Data). | |
4623 | */ | |
6a9c52cf | 4624 | LPFC_ATTR_R(multi_ring_rctl, FC_RCTL_DD_UNSOL_DATA, 1, |
a4bc3379 JS |
4625 | 255, "Identifies RCTL for additional ring configuration"); |
4626 | ||
4627 | /* | |
4628 | # lpfc_multi_ring_type: If lpfc_multi_ring_support is enabled, this | |
4629 | # identifies what type value to configure the additional ring for. | |
4630 | # Value range is [1,0xff]. Default value is 5 (LLC/SNAP). | |
4631 | */ | |
6a9c52cf | 4632 | LPFC_ATTR_R(multi_ring_type, FC_TYPE_IP, 1, |
a4bc3379 JS |
4633 | 255, "Identifies TYPE for additional ring configuration"); |
4634 | ||
dea3101e | 4635 | /* |
4258e98e JS |
4636 | # lpfc_enable_SmartSAN: Sets up FDMI support for SmartSAN |
4637 | # 0 = SmartSAN functionality disabled (default) | |
4638 | # 1 = SmartSAN functionality enabled | |
4639 | # This parameter will override the value of lpfc_fdmi_on module parameter. | |
4640 | # Value range is [0,1]. Default value is 0. | |
dea3101e | 4641 | */ |
4258e98e JS |
4642 | LPFC_ATTR_R(enable_SmartSAN, 0, 0, 1, "Enable SmartSAN functionality"); |
4643 | ||
4644 | /* | |
4645 | # lpfc_fdmi_on: Controls FDMI support. | |
4646 | # 0 No FDMI support (default) | |
4647 | # 1 Traditional FDMI support | |
8663cbbe JS |
4648 | # Traditional FDMI support means the driver will assume FDMI-2 support; |
4649 | # however, if that fails, it will fallback to FDMI-1. | |
4650 | # If lpfc_enable_SmartSAN is set to 1, the driver ignores lpfc_fdmi_on. | |
4651 | # If lpfc_enable_SmartSAN is set 0, the driver uses the current value of | |
4652 | # lpfc_fdmi_on. | |
4653 | # Value range [0,1]. Default value is 0. | |
4258e98e | 4654 | */ |
8663cbbe | 4655 | LPFC_ATTR_R(fdmi_on, 0, 0, 1, "Enable FDMI support"); |
dea3101e JB |
4656 | |
4657 | /* | |
4658 | # Specifies the maximum number of ELS cmds we can have outstanding (for | |
4659 | # discovery). Value range is [1,64]. Default value = 32. | |
4660 | */ | |
3de2a653 | 4661 | LPFC_VPORT_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands " |
dea3101e JB |
4662 | "during discovery"); |
4663 | ||
4664 | /* | |
c4a7c922 JS |
4665 | # lpfc_max_luns: maximum allowed LUN ID. This is the highest LUN ID that |
4666 | # will be scanned by the SCSI midlayer when sequential scanning is | |
4667 | # used; and is also the highest LUN ID allowed when the SCSI midlayer | |
4668 | # parses REPORT_LUN responses. The lpfc driver has no LUN count or | |
4669 | # LUN ID limit, but the SCSI midlayer requires this field for the uses | |
4670 | # above. The lpfc driver limits the default value to 255 for two reasons. | |
4671 | # As it bounds the sequential scan loop, scanning for thousands of luns | |
4672 | # on a target can take minutes of wall clock time. Additionally, | |
4673 | # there are FC targets, such as JBODs, that only recognize 8-bits of | |
4674 | # LUN ID. When they receive a value greater than 8 bits, they chop off | |
4675 | # the high order bits. In other words, they see LUN IDs 0, 256, 512, | |
4676 | # and so on all as LUN ID 0. This causes the linux kernel, which sees | |
4677 | # valid responses at each of the LUN IDs, to believe there are multiple | |
4678 | # devices present, when in fact, there is only 1. | |
4679 | # A customer that is aware of their target behaviors, and the results as | |
4680 | # indicated above, is welcome to increase the lpfc_max_luns value. | |
4681 | # As mentioned, this value is not used by the lpfc driver, only the | |
4682 | # SCSI midlayer. | |
65a29c16 JS |
4683 | # Value range is [0,65535]. Default value is 255. |
4684 | # NOTE: The SCSI layer might probe all allowed LUN on some old targets. | |
dea3101e | 4685 | */ |
1abf635d | 4686 | LPFC_VPORT_ULL_ATTR_R(max_luns, 255, 0, 65535, "Maximum allowed LUN ID"); |
dea3101e | 4687 | |
875fbdfe JSEC |
4688 | /* |
4689 | # lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring. | |
4690 | # Value range is [1,255], default value is 10. | |
4691 | */ | |
4692 | LPFC_ATTR_RW(poll_tmo, 10, 1, 255, | |
4693 | "Milliseconds driver will wait between polling FCP ring"); | |
4694 | ||
4ff43246 | 4695 | /* |
0c411222 JS |
4696 | # lpfc_task_mgmt_tmo: Maximum time to wait for task management commands |
4697 | # to complete in seconds. Value range is [5,180], default value is 60. | |
4698 | */ | |
4699 | LPFC_ATTR_RW(task_mgmt_tmo, 60, 5, 180, | |
4700 | "Maximum time to wait for task management commands to complete"); | |
4701 | /* | |
4ff43246 JS |
4702 | # lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that |
4703 | # support this feature | |
8605c46c | 4704 | # 0 = MSI disabled |
4ff43246 | 4705 | # 1 = MSI enabled |
8605c46c GK |
4706 | # 2 = MSI-X enabled (default) |
4707 | # Value range is [0,2]. Default value is 2. | |
4ff43246 | 4708 | */ |
8605c46c | 4709 | LPFC_ATTR_R(use_msi, 2, 0, 2, "Use Message Signaled Interrupts (1) or " |
db2378e0 | 4710 | "MSI-X (2), if possible"); |
4ff43246 | 4711 | |
67d12733 JS |
4712 | /* |
4713 | # lpfc_fcp_io_channel: Set the number of FCP EQ/CQ/WQ IO channels | |
4714 | # | |
4715 | # Value range is [1,7]. Default value is 4. | |
4716 | */ | |
4717 | LPFC_ATTR_R(fcp_io_channel, LPFC_FCP_IO_CHAN_DEF, LPFC_FCP_IO_CHAN_MIN, | |
4718 | LPFC_FCP_IO_CHAN_MAX, | |
4719 | "Set the number of FCP I/O channels"); | |
4720 | ||
13815c83 JS |
4721 | /* |
4722 | # lpfc_enable_hba_reset: Allow or prevent HBA resets to the hardware. | |
4723 | # 0 = HBA resets disabled | |
4724 | # 1 = HBA resets enabled (default) | |
4725 | # Value range is [0,1]. Default value is 1. | |
4726 | */ | |
4727 | LPFC_ATTR_R(enable_hba_reset, 1, 0, 1, "Enable HBA resets from the driver."); | |
c3f28afa | 4728 | |
13815c83 | 4729 | /* |
eb7a339e | 4730 | # lpfc_enable_hba_heartbeat: Disable HBA heartbeat timer.. |
13815c83 JS |
4731 | # 0 = HBA Heartbeat disabled |
4732 | # 1 = HBA Heartbeat enabled (default) | |
4733 | # Value range is [0,1]. Default value is 1. | |
4734 | */ | |
eb7a339e | 4735 | LPFC_ATTR_R(enable_hba_heartbeat, 0, 0, 1, "Enable HBA Heartbeat."); |
92d7f7b0 | 4736 | |
1ba981fd JS |
4737 | /* |
4738 | # lpfc_EnableXLane: Enable Express Lane Feature | |
4739 | # 0x0 Express Lane Feature disabled | |
4740 | # 0x1 Express Lane Feature enabled | |
4741 | # Value range is [0,1]. Default value is 0. | |
4742 | */ | |
4743 | LPFC_ATTR_R(EnableXLane, 0, 0, 1, "Enable Express Lane Feature."); | |
4744 | ||
4745 | /* | |
4746 | # lpfc_XLanePriority: Define CS_CTL priority for Express Lane Feature | |
4747 | # 0x0 - 0x7f = CS_CTL field in FC header (high 7 bits) | |
4748 | # Value range is [0x0,0x7f]. Default value is 0 | |
4749 | */ | |
28d7f3df | 4750 | LPFC_ATTR_RW(XLanePriority, 0, 0x0, 0x7f, "CS_CTL for Express Lane Feature."); |
1ba981fd | 4751 | |
81301a9b JS |
4752 | /* |
4753 | # lpfc_enable_bg: Enable BlockGuard (Emulex's Implementation of T10-DIF) | |
4754 | # 0 = BlockGuard disabled (default) | |
4755 | # 1 = BlockGuard enabled | |
4756 | # Value range is [0,1]. Default value is 0. | |
4757 | */ | |
4758 | LPFC_ATTR_R(enable_bg, 0, 0, 1, "Enable BlockGuard Support"); | |
4759 | ||
ba20c853 JS |
4760 | /* |
4761 | # lpfc_fcp_look_ahead: Look ahead for completions in FCP start routine | |
4762 | # 0 = disabled (default) | |
4763 | # 1 = enabled | |
4764 | # Value range is [0,1]. Default value is 0. | |
5688d670 JS |
4765 | # |
4766 | # This feature in under investigation and may be supported in the future. | |
ba20c853 JS |
4767 | */ |
4768 | unsigned int lpfc_fcp_look_ahead = LPFC_LOOK_AHEAD_OFF; | |
4769 | ||
81301a9b JS |
4770 | /* |
4771 | # lpfc_prot_mask: i | |
4772 | # - Bit mask of host protection capabilities used to register with the | |
4773 | # SCSI mid-layer | |
4774 | # - Only meaningful if BG is turned on (lpfc_enable_bg=1). | |
4775 | # - Allows you to ultimately specify which profiles to use | |
4776 | # - Default will result in registering capabilities for all profiles. | |
005ffa70 JS |
4777 | # - SHOST_DIF_TYPE1_PROTECTION 1 |
4778 | # HBA supports T10 DIF Type 1: HBA to Target Type 1 Protection | |
4779 | # - SHOST_DIX_TYPE0_PROTECTION 8 | |
4780 | # HBA supports DIX Type 0: Host to HBA protection only | |
4781 | # - SHOST_DIX_TYPE1_PROTECTION 16 | |
4782 | # HBA supports DIX Type 1: Host to HBA Type 1 protection | |
81301a9b JS |
4783 | # |
4784 | */ | |
7c56b9fd JS |
4785 | unsigned int lpfc_prot_mask = SHOST_DIF_TYPE1_PROTECTION | |
4786 | SHOST_DIX_TYPE0_PROTECTION | | |
4787 | SHOST_DIX_TYPE1_PROTECTION; | |
81301a9b | 4788 | |
ab56dc2e | 4789 | module_param(lpfc_prot_mask, uint, S_IRUGO); |
81301a9b JS |
4790 | MODULE_PARM_DESC(lpfc_prot_mask, "host protection mask"); |
4791 | ||
4792 | /* | |
4793 | # lpfc_prot_guard: i | |
4794 | # - Bit mask of protection guard types to register with the SCSI mid-layer | |
005ffa70 | 4795 | # - Guard types are currently either 1) T10-DIF CRC 2) IP checksum |
81301a9b JS |
4796 | # - Allows you to ultimately specify which profiles to use |
4797 | # - Default will result in registering capabilities for all guard types | |
4798 | # | |
4799 | */ | |
4800 | unsigned char lpfc_prot_guard = SHOST_DIX_GUARD_IP; | |
ab56dc2e | 4801 | module_param(lpfc_prot_guard, byte, S_IRUGO); |
81301a9b JS |
4802 | MODULE_PARM_DESC(lpfc_prot_guard, "host protection guard type"); |
4803 | ||
92494144 JS |
4804 | /* |
4805 | * Delay initial NPort discovery when Clean Address bit is cleared in | |
4806 | * FLOGI/FDISC accept and FCID/Fabric name/Fabric portname is changed. | |
4807 | * This parameter can have value 0 or 1. | |
4808 | * When this parameter is set to 0, no delay is added to the initial | |
4809 | * discovery. | |
4810 | * When this parameter is set to non-zero value, initial Nport discovery is | |
4811 | * delayed by ra_tov seconds when Clean Address bit is cleared in FLOGI/FDISC | |
4812 | * accept and FCID/Fabric name/Fabric portname is changed. | |
4813 | * Driver always delay Nport discovery for subsequent FLOGI/FDISC completion | |
4814 | * when Clean Address bit is cleared in FLOGI/FDISC | |
4815 | * accept and FCID/Fabric name/Fabric portname is changed. | |
4816 | * Default value is 0. | |
4817 | */ | |
4818 | int lpfc_delay_discovery; | |
ab56dc2e | 4819 | module_param(lpfc_delay_discovery, int, S_IRUGO); |
92494144 JS |
4820 | MODULE_PARM_DESC(lpfc_delay_discovery, |
4821 | "Delay NPort discovery when Clean Address bit is cleared. " | |
4822 | "Allowed values: 0,1."); | |
81301a9b | 4823 | |
83108bd3 | 4824 | /* |
3621a710 | 4825 | * lpfc_sg_seg_cnt - Initial Maximum DMA Segment Count |
96f7077f | 4826 | * This value can be set to values between 64 and 4096. The default value is |
83108bd3 JS |
4827 | * 64, but may be increased to allow for larger Max I/O sizes. The scsi layer |
4828 | * will be allowed to request I/Os of sizes up to (MAX_SEG_COUNT * SEG_SIZE). | |
96f7077f JS |
4829 | * Because of the additional overhead involved in setting up T10-DIF, |
4830 | * this parameter will be limited to 128 if BlockGuard is enabled under SLI4 | |
4831 | * and will be limited to 512 if BlockGuard is enabled under SLI3. | |
83108bd3 JS |
4832 | */ |
4833 | LPFC_ATTR_R(sg_seg_cnt, LPFC_DEFAULT_SG_SEG_CNT, LPFC_DEFAULT_SG_SEG_CNT, | |
4834 | LPFC_MAX_SG_SEG_CNT, "Max Scatter Gather Segment Count"); | |
4835 | ||
96f7077f JS |
4836 | /* |
4837 | * This parameter will be depricated, the driver cannot limit the | |
4838 | * protection data s/g list. | |
4839 | */ | |
4840 | LPFC_ATTR_R(prot_sg_seg_cnt, LPFC_DEFAULT_SG_SEG_CNT, | |
4841 | LPFC_DEFAULT_SG_SEG_CNT, LPFC_MAX_SG_SEG_CNT, | |
4842 | "Max Protection Scatter Gather Segment Count"); | |
81301a9b | 4843 | |
7bdedb34 JS |
4844 | /* |
4845 | * lpfc_enable_mds_diags: Enable MDS Diagnostics | |
4846 | * 0 = MDS Diagnostics disabled (default) | |
4847 | * 1 = MDS Diagnostics enabled | |
4848 | * Value range is [0,1]. Default value is 0. | |
4849 | */ | |
4850 | LPFC_ATTR_R(enable_mds_diags, 0, 0, 1, "Enable MDS Diagnostics"); | |
4851 | ||
ee959b00 | 4852 | struct device_attribute *lpfc_hba_attrs[] = { |
81301a9b JS |
4853 | &dev_attr_bg_info, |
4854 | &dev_attr_bg_guard_err, | |
4855 | &dev_attr_bg_apptag_err, | |
4856 | &dev_attr_bg_reftag_err, | |
ee959b00 TJ |
4857 | &dev_attr_info, |
4858 | &dev_attr_serialnum, | |
4859 | &dev_attr_modeldesc, | |
4860 | &dev_attr_modelname, | |
4861 | &dev_attr_programtype, | |
4862 | &dev_attr_portnum, | |
4863 | &dev_attr_fwrev, | |
4864 | &dev_attr_hdw, | |
4865 | &dev_attr_option_rom_version, | |
bbd1ae41 | 4866 | &dev_attr_link_state, |
ee959b00 | 4867 | &dev_attr_num_discovered_ports, |
84774a4d | 4868 | &dev_attr_menlo_mgmt_mode, |
ee959b00 | 4869 | &dev_attr_lpfc_drvr_version, |
45ed1190 | 4870 | &dev_attr_lpfc_enable_fip, |
ee959b00 TJ |
4871 | &dev_attr_lpfc_temp_sensor, |
4872 | &dev_attr_lpfc_log_verbose, | |
4873 | &dev_attr_lpfc_lun_queue_depth, | |
7dc517df | 4874 | &dev_attr_lpfc_tgt_queue_depth, |
ee959b00 TJ |
4875 | &dev_attr_lpfc_hba_queue_depth, |
4876 | &dev_attr_lpfc_peer_port_login, | |
4877 | &dev_attr_lpfc_nodev_tmo, | |
4878 | &dev_attr_lpfc_devloss_tmo, | |
4879 | &dev_attr_lpfc_fcp_class, | |
4880 | &dev_attr_lpfc_use_adisc, | |
3cb01c57 | 4881 | &dev_attr_lpfc_first_burst_size, |
ee959b00 TJ |
4882 | &dev_attr_lpfc_ack0, |
4883 | &dev_attr_lpfc_topology, | |
4884 | &dev_attr_lpfc_scan_down, | |
4885 | &dev_attr_lpfc_link_speed, | |
49aa143d | 4886 | &dev_attr_lpfc_fcp_io_sched, |
a6571c6e | 4887 | &dev_attr_lpfc_fcp2_no_tgt_reset, |
ee959b00 TJ |
4888 | &dev_attr_lpfc_cr_delay, |
4889 | &dev_attr_lpfc_cr_count, | |
4890 | &dev_attr_lpfc_multi_ring_support, | |
4891 | &dev_attr_lpfc_multi_ring_rctl, | |
4892 | &dev_attr_lpfc_multi_ring_type, | |
4893 | &dev_attr_lpfc_fdmi_on, | |
4258e98e | 4894 | &dev_attr_lpfc_enable_SmartSAN, |
ee959b00 TJ |
4895 | &dev_attr_lpfc_max_luns, |
4896 | &dev_attr_lpfc_enable_npiv, | |
7d791df7 | 4897 | &dev_attr_lpfc_fcf_failover_policy, |
19ca7609 | 4898 | &dev_attr_lpfc_enable_rrq, |
ee959b00 TJ |
4899 | &dev_attr_nport_evt_cnt, |
4900 | &dev_attr_board_mode, | |
4901 | &dev_attr_max_vpi, | |
4902 | &dev_attr_used_vpi, | |
4903 | &dev_attr_max_rpi, | |
4904 | &dev_attr_used_rpi, | |
4905 | &dev_attr_max_xri, | |
4906 | &dev_attr_used_xri, | |
4907 | &dev_attr_npiv_info, | |
4908 | &dev_attr_issue_reset, | |
4909 | &dev_attr_lpfc_poll, | |
4910 | &dev_attr_lpfc_poll_tmo, | |
0c411222 | 4911 | &dev_attr_lpfc_task_mgmt_tmo, |
ee959b00 | 4912 | &dev_attr_lpfc_use_msi, |
da0436e9 | 4913 | &dev_attr_lpfc_fcp_imax, |
7bb03bbf | 4914 | &dev_attr_lpfc_fcp_cpu_map, |
67d12733 | 4915 | &dev_attr_lpfc_fcp_io_channel, |
81301a9b | 4916 | &dev_attr_lpfc_enable_bg, |
ee959b00 TJ |
4917 | &dev_attr_lpfc_soft_wwnn, |
4918 | &dev_attr_lpfc_soft_wwpn, | |
4919 | &dev_attr_lpfc_soft_wwn_enable, | |
4920 | &dev_attr_lpfc_enable_hba_reset, | |
4921 | &dev_attr_lpfc_enable_hba_heartbeat, | |
1ba981fd JS |
4922 | &dev_attr_lpfc_EnableXLane, |
4923 | &dev_attr_lpfc_XLanePriority, | |
4924 | &dev_attr_lpfc_xlane_lun, | |
4925 | &dev_attr_lpfc_xlane_tgt, | |
4926 | &dev_attr_lpfc_xlane_vpt, | |
4927 | &dev_attr_lpfc_xlane_lun_state, | |
4928 | &dev_attr_lpfc_xlane_lun_status, | |
c92c841c | 4929 | &dev_attr_lpfc_xlane_priority, |
ee959b00 | 4930 | &dev_attr_lpfc_sg_seg_cnt, |
977b5a0a | 4931 | &dev_attr_lpfc_max_scsicmpl_time, |
ea2151b4 | 4932 | &dev_attr_lpfc_stat_data_ctrl, |
81301a9b | 4933 | &dev_attr_lpfc_prot_sg_seg_cnt, |
0d878419 JS |
4934 | &dev_attr_lpfc_aer_support, |
4935 | &dev_attr_lpfc_aer_state_cleanup, | |
912e3acd | 4936 | &dev_attr_lpfc_sriov_nr_virtfn, |
c71ab861 | 4937 | &dev_attr_lpfc_req_fw_upgrade, |
84d1b006 | 4938 | &dev_attr_lpfc_suppress_link_up, |
2a9bf3d0 JS |
4939 | &dev_attr_lpfc_iocb_cnt, |
4940 | &dev_attr_iocb_hw, | |
4941 | &dev_attr_txq_hw, | |
4942 | &dev_attr_txcmplq_hw, | |
bc73905a JS |
4943 | &dev_attr_lpfc_fips_level, |
4944 | &dev_attr_lpfc_fips_rev, | |
ab56dc2e | 4945 | &dev_attr_lpfc_dss, |
912e3acd | 4946 | &dev_attr_lpfc_sriov_hw_max_virtfn, |
026abb87 | 4947 | &dev_attr_protocol, |
1ba981fd | 4948 | &dev_attr_lpfc_xlane_supported, |
7bdedb34 | 4949 | &dev_attr_lpfc_enable_mds_diags, |
dea3101e JB |
4950 | NULL, |
4951 | }; | |
4952 | ||
ee959b00 TJ |
4953 | struct device_attribute *lpfc_vport_attrs[] = { |
4954 | &dev_attr_info, | |
bbd1ae41 | 4955 | &dev_attr_link_state, |
ee959b00 TJ |
4956 | &dev_attr_num_discovered_ports, |
4957 | &dev_attr_lpfc_drvr_version, | |
4958 | &dev_attr_lpfc_log_verbose, | |
4959 | &dev_attr_lpfc_lun_queue_depth, | |
7dc517df | 4960 | &dev_attr_lpfc_tgt_queue_depth, |
ee959b00 TJ |
4961 | &dev_attr_lpfc_nodev_tmo, |
4962 | &dev_attr_lpfc_devloss_tmo, | |
4963 | &dev_attr_lpfc_hba_queue_depth, | |
4964 | &dev_attr_lpfc_peer_port_login, | |
4965 | &dev_attr_lpfc_restrict_login, | |
4966 | &dev_attr_lpfc_fcp_class, | |
4967 | &dev_attr_lpfc_use_adisc, | |
3cb01c57 | 4968 | &dev_attr_lpfc_first_burst_size, |
ee959b00 TJ |
4969 | &dev_attr_lpfc_max_luns, |
4970 | &dev_attr_nport_evt_cnt, | |
4971 | &dev_attr_npiv_info, | |
4972 | &dev_attr_lpfc_enable_da_id, | |
ea2151b4 JS |
4973 | &dev_attr_lpfc_max_scsicmpl_time, |
4974 | &dev_attr_lpfc_stat_data_ctrl, | |
21e9a0a5 | 4975 | &dev_attr_lpfc_static_vport, |
bc73905a JS |
4976 | &dev_attr_lpfc_fips_level, |
4977 | &dev_attr_lpfc_fips_rev, | |
3de2a653 JS |
4978 | NULL, |
4979 | }; | |
4980 | ||
e59058c4 | 4981 | /** |
3621a710 | 4982 | * sysfs_ctlreg_write - Write method for writing to ctlreg |
2c3c8bea | 4983 | * @filp: open sysfs file |
e59058c4 JS |
4984 | * @kobj: kernel kobject that contains the kernel class device. |
4985 | * @bin_attr: kernel attributes passed to us. | |
4986 | * @buf: contains the data to be written to the adapter IOREG space. | |
4987 | * @off: offset into buffer to beginning of data. | |
4988 | * @count: bytes to transfer. | |
4989 | * | |
4990 | * Description: | |
4991 | * Accessed via /sys/class/scsi_host/hostxxx/ctlreg. | |
4992 | * Uses the adapter io control registers to send buf contents to the adapter. | |
4993 | * | |
4994 | * Returns: | |
4995 | * -ERANGE off and count combo out of range | |
4996 | * -EINVAL off, count or buff address invalid | |
4997 | * -EPERM adapter is offline | |
4998 | * value of count, buf contents written | |
4999 | **/ | |
dea3101e | 5000 | static ssize_t |
2c3c8bea CW |
5001 | sysfs_ctlreg_write(struct file *filp, struct kobject *kobj, |
5002 | struct bin_attribute *bin_attr, | |
91a69029 | 5003 | char *buf, loff_t off, size_t count) |
dea3101e JB |
5004 | { |
5005 | size_t buf_off; | |
ee959b00 TJ |
5006 | struct device *dev = container_of(kobj, struct device, kobj); |
5007 | struct Scsi_Host *shost = class_to_shost(dev); | |
2e0fef85 JS |
5008 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
5009 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 5010 | |
f1126688 JS |
5011 | if (phba->sli_rev >= LPFC_SLI_REV4) |
5012 | return -EPERM; | |
5013 | ||
dea3101e JB |
5014 | if ((off + count) > FF_REG_AREA_SIZE) |
5015 | return -ERANGE; | |
5016 | ||
f7a919b4 JS |
5017 | if (count <= LPFC_REG_WRITE_KEY_SIZE) |
5018 | return 0; | |
dea3101e JB |
5019 | |
5020 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
5021 | return -EINVAL; | |
5022 | ||
f7a919b4 JS |
5023 | /* This is to protect HBA registers from accidental writes. */ |
5024 | if (memcmp(buf, LPFC_REG_WRITE_KEY, LPFC_REG_WRITE_KEY_SIZE)) | |
5025 | return -EINVAL; | |
5026 | ||
5027 | if (!(vport->fc_flag & FC_OFFLINE_MODE)) | |
dea3101e | 5028 | return -EPERM; |
dea3101e | 5029 | |
2e0fef85 | 5030 | spin_lock_irq(&phba->hbalock); |
f7a919b4 JS |
5031 | for (buf_off = 0; buf_off < count - LPFC_REG_WRITE_KEY_SIZE; |
5032 | buf_off += sizeof(uint32_t)) | |
5033 | writel(*((uint32_t *)(buf + buf_off + LPFC_REG_WRITE_KEY_SIZE)), | |
dea3101e JB |
5034 | phba->ctrl_regs_memmap_p + off + buf_off); |
5035 | ||
2e0fef85 | 5036 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
5037 | |
5038 | return count; | |
5039 | } | |
5040 | ||
e59058c4 | 5041 | /** |
3621a710 | 5042 | * sysfs_ctlreg_read - Read method for reading from ctlreg |
2c3c8bea | 5043 | * @filp: open sysfs file |
e59058c4 JS |
5044 | * @kobj: kernel kobject that contains the kernel class device. |
5045 | * @bin_attr: kernel attributes passed to us. | |
af901ca1 | 5046 | * @buf: if successful contains the data from the adapter IOREG space. |
e59058c4 JS |
5047 | * @off: offset into buffer to beginning of data. |
5048 | * @count: bytes to transfer. | |
5049 | * | |
5050 | * Description: | |
5051 | * Accessed via /sys/class/scsi_host/hostxxx/ctlreg. | |
5052 | * Uses the adapter io control registers to read data into buf. | |
5053 | * | |
5054 | * Returns: | |
5055 | * -ERANGE off and count combo out of range | |
5056 | * -EINVAL off, count or buff address invalid | |
5057 | * value of count, buf contents read | |
5058 | **/ | |
dea3101e | 5059 | static ssize_t |
2c3c8bea CW |
5060 | sysfs_ctlreg_read(struct file *filp, struct kobject *kobj, |
5061 | struct bin_attribute *bin_attr, | |
91a69029 | 5062 | char *buf, loff_t off, size_t count) |
dea3101e JB |
5063 | { |
5064 | size_t buf_off; | |
5065 | uint32_t * tmp_ptr; | |
ee959b00 TJ |
5066 | struct device *dev = container_of(kobj, struct device, kobj); |
5067 | struct Scsi_Host *shost = class_to_shost(dev); | |
2e0fef85 JS |
5068 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
5069 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 5070 | |
f1126688 JS |
5071 | if (phba->sli_rev >= LPFC_SLI_REV4) |
5072 | return -EPERM; | |
5073 | ||
dea3101e JB |
5074 | if (off > FF_REG_AREA_SIZE) |
5075 | return -ERANGE; | |
5076 | ||
5077 | if ((off + count) > FF_REG_AREA_SIZE) | |
5078 | count = FF_REG_AREA_SIZE - off; | |
5079 | ||
5080 | if (count == 0) return 0; | |
5081 | ||
5082 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
5083 | return -EINVAL; | |
5084 | ||
2e0fef85 | 5085 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
5086 | |
5087 | for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) { | |
5088 | tmp_ptr = (uint32_t *)(buf + buf_off); | |
5089 | *tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off); | |
5090 | } | |
5091 | ||
2e0fef85 | 5092 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
5093 | |
5094 | return count; | |
5095 | } | |
5096 | ||
5097 | static struct bin_attribute sysfs_ctlreg_attr = { | |
5098 | .attr = { | |
5099 | .name = "ctlreg", | |
5100 | .mode = S_IRUSR | S_IWUSR, | |
dea3101e JB |
5101 | }, |
5102 | .size = 256, | |
5103 | .read = sysfs_ctlreg_read, | |
5104 | .write = sysfs_ctlreg_write, | |
5105 | }; | |
5106 | ||
e59058c4 | 5107 | /** |
3621a710 | 5108 | * sysfs_mbox_write - Write method for writing information via mbox |
2c3c8bea | 5109 | * @filp: open sysfs file |
e59058c4 JS |
5110 | * @kobj: kernel kobject that contains the kernel class device. |
5111 | * @bin_attr: kernel attributes passed to us. | |
5112 | * @buf: contains the data to be written to sysfs mbox. | |
5113 | * @off: offset into buffer to beginning of data. | |
5114 | * @count: bytes to transfer. | |
5115 | * | |
5116 | * Description: | |
026abb87 JS |
5117 | * Deprecated function. All mailbox access from user space is performed via the |
5118 | * bsg interface. | |
e59058c4 JS |
5119 | * |
5120 | * Returns: | |
026abb87 | 5121 | * -EPERM operation not permitted |
e59058c4 | 5122 | **/ |
dea3101e | 5123 | static ssize_t |
2c3c8bea CW |
5124 | sysfs_mbox_write(struct file *filp, struct kobject *kobj, |
5125 | struct bin_attribute *bin_attr, | |
91a69029 | 5126 | char *buf, loff_t off, size_t count) |
dea3101e | 5127 | { |
026abb87 | 5128 | return -EPERM; |
dea3101e JB |
5129 | } |
5130 | ||
e59058c4 | 5131 | /** |
3621a710 | 5132 | * sysfs_mbox_read - Read method for reading information via mbox |
2c3c8bea | 5133 | * @filp: open sysfs file |
e59058c4 JS |
5134 | * @kobj: kernel kobject that contains the kernel class device. |
5135 | * @bin_attr: kernel attributes passed to us. | |
5136 | * @buf: contains the data to be read from sysfs mbox. | |
5137 | * @off: offset into buffer to beginning of data. | |
5138 | * @count: bytes to transfer. | |
5139 | * | |
5140 | * Description: | |
026abb87 JS |
5141 | * Deprecated function. All mailbox access from user space is performed via the |
5142 | * bsg interface. | |
e59058c4 JS |
5143 | * |
5144 | * Returns: | |
026abb87 | 5145 | * -EPERM operation not permitted |
e59058c4 | 5146 | **/ |
dea3101e | 5147 | static ssize_t |
2c3c8bea CW |
5148 | sysfs_mbox_read(struct file *filp, struct kobject *kobj, |
5149 | struct bin_attribute *bin_attr, | |
91a69029 | 5150 | char *buf, loff_t off, size_t count) |
dea3101e | 5151 | { |
026abb87 | 5152 | return -EPERM; |
dea3101e JB |
5153 | } |
5154 | ||
5155 | static struct bin_attribute sysfs_mbox_attr = { | |
5156 | .attr = { | |
5157 | .name = "mbox", | |
5158 | .mode = S_IRUSR | S_IWUSR, | |
dea3101e | 5159 | }, |
c0c11512 | 5160 | .size = MAILBOX_SYSFS_MAX, |
dea3101e JB |
5161 | .read = sysfs_mbox_read, |
5162 | .write = sysfs_mbox_write, | |
5163 | }; | |
5164 | ||
e59058c4 | 5165 | /** |
3621a710 | 5166 | * lpfc_alloc_sysfs_attr - Creates the ctlreg and mbox entries |
e59058c4 JS |
5167 | * @vport: address of lpfc vport structure. |
5168 | * | |
5169 | * Return codes: | |
5170 | * zero on success | |
5171 | * error return code from sysfs_create_bin_file() | |
5172 | **/ | |
dea3101e | 5173 | int |
2e0fef85 | 5174 | lpfc_alloc_sysfs_attr(struct lpfc_vport *vport) |
dea3101e | 5175 | { |
2e0fef85 | 5176 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e JB |
5177 | int error; |
5178 | ||
ee959b00 | 5179 | error = sysfs_create_bin_file(&shost->shost_dev.kobj, |
eada272d JS |
5180 | &sysfs_drvr_stat_data_attr); |
5181 | ||
5182 | /* Virtual ports do not need ctrl_reg and mbox */ | |
5183 | if (error || vport->port_type == LPFC_NPIV_PORT) | |
dea3101e JB |
5184 | goto out; |
5185 | ||
ee959b00 | 5186 | error = sysfs_create_bin_file(&shost->shost_dev.kobj, |
eada272d | 5187 | &sysfs_ctlreg_attr); |
dea3101e | 5188 | if (error) |
eada272d | 5189 | goto out_remove_stat_attr; |
dea3101e | 5190 | |
ea2151b4 | 5191 | error = sysfs_create_bin_file(&shost->shost_dev.kobj, |
eada272d | 5192 | &sysfs_mbox_attr); |
ea2151b4 | 5193 | if (error) |
eada272d | 5194 | goto out_remove_ctlreg_attr; |
ea2151b4 | 5195 | |
dea3101e JB |
5196 | return 0; |
5197 | out_remove_ctlreg_attr: | |
ee959b00 | 5198 | sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr); |
eada272d JS |
5199 | out_remove_stat_attr: |
5200 | sysfs_remove_bin_file(&shost->shost_dev.kobj, | |
5201 | &sysfs_drvr_stat_data_attr); | |
dea3101e JB |
5202 | out: |
5203 | return error; | |
5204 | } | |
5205 | ||
e59058c4 | 5206 | /** |
3621a710 | 5207 | * lpfc_free_sysfs_attr - Removes the ctlreg and mbox entries |
e59058c4 JS |
5208 | * @vport: address of lpfc vport structure. |
5209 | **/ | |
dea3101e | 5210 | void |
2e0fef85 | 5211 | lpfc_free_sysfs_attr(struct lpfc_vport *vport) |
dea3101e | 5212 | { |
2e0fef85 | 5213 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
ea2151b4 JS |
5214 | sysfs_remove_bin_file(&shost->shost_dev.kobj, |
5215 | &sysfs_drvr_stat_data_attr); | |
eada272d JS |
5216 | /* Virtual ports do not need ctrl_reg and mbox */ |
5217 | if (vport->port_type == LPFC_NPIV_PORT) | |
5218 | return; | |
ee959b00 TJ |
5219 | sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_mbox_attr); |
5220 | sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr); | |
dea3101e JB |
5221 | } |
5222 | ||
dea3101e JB |
5223 | /* |
5224 | * Dynamic FC Host Attributes Support | |
5225 | */ | |
5226 | ||
e59058c4 | 5227 | /** |
3621a710 | 5228 | * lpfc_get_host_port_id - Copy the vport DID into the scsi host port id |
e59058c4 JS |
5229 | * @shost: kernel scsi host pointer. |
5230 | **/ | |
dea3101e JB |
5231 | static void |
5232 | lpfc_get_host_port_id(struct Scsi_Host *shost) | |
5233 | { | |
2e0fef85 JS |
5234 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
5235 | ||
dea3101e | 5236 | /* note: fc_myDID already in cpu endianness */ |
2e0fef85 | 5237 | fc_host_port_id(shost) = vport->fc_myDID; |
dea3101e JB |
5238 | } |
5239 | ||
e59058c4 | 5240 | /** |
3621a710 | 5241 | * lpfc_get_host_port_type - Set the value of the scsi host port type |
e59058c4 JS |
5242 | * @shost: kernel scsi host pointer. |
5243 | **/ | |
dea3101e JB |
5244 | static void |
5245 | lpfc_get_host_port_type(struct Scsi_Host *shost) | |
5246 | { | |
2e0fef85 JS |
5247 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
5248 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
5249 | |
5250 | spin_lock_irq(shost->host_lock); | |
5251 | ||
92d7f7b0 JS |
5252 | if (vport->port_type == LPFC_NPIV_PORT) { |
5253 | fc_host_port_type(shost) = FC_PORTTYPE_NPIV; | |
5254 | } else if (lpfc_is_link_up(phba)) { | |
76a95d75 | 5255 | if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { |
2e0fef85 | 5256 | if (vport->fc_flag & FC_PUBLIC_LOOP) |
dea3101e JB |
5257 | fc_host_port_type(shost) = FC_PORTTYPE_NLPORT; |
5258 | else | |
5259 | fc_host_port_type(shost) = FC_PORTTYPE_LPORT; | |
5260 | } else { | |
2e0fef85 | 5261 | if (vport->fc_flag & FC_FABRIC) |
dea3101e JB |
5262 | fc_host_port_type(shost) = FC_PORTTYPE_NPORT; |
5263 | else | |
5264 | fc_host_port_type(shost) = FC_PORTTYPE_PTP; | |
5265 | } | |
5266 | } else | |
5267 | fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN; | |
5268 | ||
5269 | spin_unlock_irq(shost->host_lock); | |
5270 | } | |
5271 | ||
e59058c4 | 5272 | /** |
3621a710 | 5273 | * lpfc_get_host_port_state - Set the value of the scsi host port state |
e59058c4 JS |
5274 | * @shost: kernel scsi host pointer. |
5275 | **/ | |
dea3101e JB |
5276 | static void |
5277 | lpfc_get_host_port_state(struct Scsi_Host *shost) | |
5278 | { | |
2e0fef85 JS |
5279 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
5280 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
5281 | |
5282 | spin_lock_irq(shost->host_lock); | |
5283 | ||
2e0fef85 | 5284 | if (vport->fc_flag & FC_OFFLINE_MODE) |
dea3101e JB |
5285 | fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE; |
5286 | else { | |
2e0fef85 JS |
5287 | switch (phba->link_state) { |
5288 | case LPFC_LINK_UNKNOWN: | |
dea3101e JB |
5289 | case LPFC_LINK_DOWN: |
5290 | fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN; | |
5291 | break; | |
5292 | case LPFC_LINK_UP: | |
dea3101e JB |
5293 | case LPFC_CLEAR_LA: |
5294 | case LPFC_HBA_READY: | |
026abb87 JS |
5295 | /* Links up, reports port state accordingly */ |
5296 | if (vport->port_state < LPFC_VPORT_READY) | |
5297 | fc_host_port_state(shost) = | |
5298 | FC_PORTSTATE_BYPASSED; | |
5299 | else | |
5300 | fc_host_port_state(shost) = | |
5301 | FC_PORTSTATE_ONLINE; | |
dea3101e JB |
5302 | break; |
5303 | case LPFC_HBA_ERROR: | |
5304 | fc_host_port_state(shost) = FC_PORTSTATE_ERROR; | |
5305 | break; | |
5306 | default: | |
5307 | fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN; | |
5308 | break; | |
5309 | } | |
5310 | } | |
5311 | ||
5312 | spin_unlock_irq(shost->host_lock); | |
5313 | } | |
5314 | ||
e59058c4 | 5315 | /** |
3621a710 | 5316 | * lpfc_get_host_speed - Set the value of the scsi host speed |
e59058c4 JS |
5317 | * @shost: kernel scsi host pointer. |
5318 | **/ | |
dea3101e JB |
5319 | static void |
5320 | lpfc_get_host_speed(struct Scsi_Host *shost) | |
5321 | { | |
2e0fef85 JS |
5322 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
5323 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
5324 | |
5325 | spin_lock_irq(shost->host_lock); | |
5326 | ||
a085e87c | 5327 | if ((lpfc_is_link_up(phba)) && (!(phba->hba_flag & HBA_FCOE_MODE))) { |
dea3101e | 5328 | switch(phba->fc_linkspeed) { |
76a95d75 JS |
5329 | case LPFC_LINK_SPEED_1GHZ: |
5330 | fc_host_speed(shost) = FC_PORTSPEED_1GBIT; | |
dea3101e | 5331 | break; |
76a95d75 JS |
5332 | case LPFC_LINK_SPEED_2GHZ: |
5333 | fc_host_speed(shost) = FC_PORTSPEED_2GBIT; | |
dea3101e | 5334 | break; |
76a95d75 JS |
5335 | case LPFC_LINK_SPEED_4GHZ: |
5336 | fc_host_speed(shost) = FC_PORTSPEED_4GBIT; | |
dea3101e | 5337 | break; |
76a95d75 JS |
5338 | case LPFC_LINK_SPEED_8GHZ: |
5339 | fc_host_speed(shost) = FC_PORTSPEED_8GBIT; | |
b87eab38 | 5340 | break; |
76a95d75 JS |
5341 | case LPFC_LINK_SPEED_10GHZ: |
5342 | fc_host_speed(shost) = FC_PORTSPEED_10GBIT; | |
f4b4c68f | 5343 | break; |
76a95d75 JS |
5344 | case LPFC_LINK_SPEED_16GHZ: |
5345 | fc_host_speed(shost) = FC_PORTSPEED_16GBIT; | |
5346 | break; | |
d38dd52c JS |
5347 | case LPFC_LINK_SPEED_32GHZ: |
5348 | fc_host_speed(shost) = FC_PORTSPEED_32GBIT; | |
5349 | break; | |
76a95d75 JS |
5350 | default: |
5351 | fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN; | |
dea3101e JB |
5352 | break; |
5353 | } | |
09372820 JS |
5354 | } else |
5355 | fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN; | |
dea3101e JB |
5356 | |
5357 | spin_unlock_irq(shost->host_lock); | |
5358 | } | |
5359 | ||
e59058c4 | 5360 | /** |
3621a710 | 5361 | * lpfc_get_host_fabric_name - Set the value of the scsi host fabric name |
e59058c4 JS |
5362 | * @shost: kernel scsi host pointer. |
5363 | **/ | |
dea3101e JB |
5364 | static void |
5365 | lpfc_get_host_fabric_name (struct Scsi_Host *shost) | |
5366 | { | |
2e0fef85 JS |
5367 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
5368 | struct lpfc_hba *phba = vport->phba; | |
f631b4be | 5369 | u64 node_name; |
dea3101e JB |
5370 | |
5371 | spin_lock_irq(shost->host_lock); | |
5372 | ||
73d91e50 JS |
5373 | if ((vport->port_state > LPFC_FLOGI) && |
5374 | ((vport->fc_flag & FC_FABRIC) || | |
5375 | ((phba->fc_topology == LPFC_TOPOLOGY_LOOP) && | |
5376 | (vport->fc_flag & FC_PUBLIC_LOOP)))) | |
68ce1eb5 | 5377 | node_name = wwn_to_u64(phba->fc_fabparam.nodeName.u.wwn); |
dea3101e JB |
5378 | else |
5379 | /* fabric is local port if there is no F/FL_Port */ | |
09372820 | 5380 | node_name = 0; |
dea3101e JB |
5381 | |
5382 | spin_unlock_irq(shost->host_lock); | |
5383 | ||
f631b4be | 5384 | fc_host_fabric_name(shost) = node_name; |
dea3101e JB |
5385 | } |
5386 | ||
e59058c4 | 5387 | /** |
3621a710 | 5388 | * lpfc_get_stats - Return statistical information about the adapter |
e59058c4 JS |
5389 | * @shost: kernel scsi host pointer. |
5390 | * | |
5391 | * Notes: | |
5392 | * NULL on error for link down, no mbox pool, sli2 active, | |
5393 | * management not allowed, memory allocation error, or mbox error. | |
5394 | * | |
5395 | * Returns: | |
5396 | * NULL for error | |
5397 | * address of the adapter host statistics | |
5398 | **/ | |
dea3101e JB |
5399 | static struct fc_host_statistics * |
5400 | lpfc_get_stats(struct Scsi_Host *shost) | |
5401 | { | |
2e0fef85 JS |
5402 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
5403 | struct lpfc_hba *phba = vport->phba; | |
5404 | struct lpfc_sli *psli = &phba->sli; | |
f888ba3c | 5405 | struct fc_host_statistics *hs = &phba->link_stats; |
64ba8818 | 5406 | struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets; |
dea3101e JB |
5407 | LPFC_MBOXQ_t *pmboxq; |
5408 | MAILBOX_t *pmb; | |
64ba8818 | 5409 | unsigned long seconds; |
433c3579 | 5410 | int rc = 0; |
dea3101e | 5411 | |
92d7f7b0 JS |
5412 | /* |
5413 | * prevent udev from issuing mailbox commands until the port is | |
5414 | * configured. | |
5415 | */ | |
2e0fef85 JS |
5416 | if (phba->link_state < LPFC_LINK_DOWN || |
5417 | !phba->mbox_mem_pool || | |
f4b4c68f | 5418 | (phba->sli.sli_flag & LPFC_SLI_ACTIVE) == 0) |
92d7f7b0 | 5419 | return NULL; |
2e0fef85 JS |
5420 | |
5421 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) | |
46fa311e JS |
5422 | return NULL; |
5423 | ||
dea3101e JB |
5424 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
5425 | if (!pmboxq) | |
5426 | return NULL; | |
5427 | memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); | |
5428 | ||
04c68496 | 5429 | pmb = &pmboxq->u.mb; |
dea3101e JB |
5430 | pmb->mbxCommand = MBX_READ_STATUS; |
5431 | pmb->mbxOwner = OWN_HOST; | |
5432 | pmboxq->context1 = NULL; | |
92d7f7b0 | 5433 | pmboxq->vport = vport; |
dea3101e | 5434 | |
75baf696 | 5435 | if (vport->fc_flag & FC_OFFLINE_MODE) |
dea3101e | 5436 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
433c3579 | 5437 | else |
dea3101e JB |
5438 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); |
5439 | ||
5440 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 5441 | if (rc != MBX_TIMEOUT) |
433c3579 | 5442 | mempool_free(pmboxq, phba->mbox_mem_pool); |
dea3101e JB |
5443 | return NULL; |
5444 | } | |
5445 | ||
f888ba3c JSEC |
5446 | memset(hs, 0, sizeof (struct fc_host_statistics)); |
5447 | ||
dea3101e | 5448 | hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt; |
73d91e50 JS |
5449 | /* |
5450 | * The MBX_READ_STATUS returns tx_k_bytes which has to | |
5451 | * converted to words | |
5452 | */ | |
5453 | hs->tx_words = (uint64_t) | |
5454 | ((uint64_t)pmb->un.varRdStatus.xmitByteCnt | |
5455 | * (uint64_t)256); | |
dea3101e | 5456 | hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt; |
73d91e50 JS |
5457 | hs->rx_words = (uint64_t) |
5458 | ((uint64_t)pmb->un.varRdStatus.rcvByteCnt | |
5459 | * (uint64_t)256); | |
dea3101e | 5460 | |
433c3579 | 5461 | memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); |
dea3101e JB |
5462 | pmb->mbxCommand = MBX_READ_LNK_STAT; |
5463 | pmb->mbxOwner = OWN_HOST; | |
5464 | pmboxq->context1 = NULL; | |
92d7f7b0 | 5465 | pmboxq->vport = vport; |
dea3101e | 5466 | |
75baf696 | 5467 | if (vport->fc_flag & FC_OFFLINE_MODE) |
dea3101e | 5468 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
433c3579 | 5469 | else |
dea3101e JB |
5470 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); |
5471 | ||
5472 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 5473 | if (rc != MBX_TIMEOUT) |
92d7f7b0 | 5474 | mempool_free(pmboxq, phba->mbox_mem_pool); |
dea3101e JB |
5475 | return NULL; |
5476 | } | |
5477 | ||
5478 | hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt; | |
5479 | hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt; | |
5480 | hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt; | |
5481 | hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt; | |
5482 | hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord; | |
5483 | hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt; | |
5484 | hs->error_frames = pmb->un.varRdLnk.crcCnt; | |
5485 | ||
64ba8818 JS |
5486 | hs->link_failure_count -= lso->link_failure_count; |
5487 | hs->loss_of_sync_count -= lso->loss_of_sync_count; | |
5488 | hs->loss_of_signal_count -= lso->loss_of_signal_count; | |
5489 | hs->prim_seq_protocol_err_count -= lso->prim_seq_protocol_err_count; | |
5490 | hs->invalid_tx_word_count -= lso->invalid_tx_word_count; | |
5491 | hs->invalid_crc_count -= lso->invalid_crc_count; | |
5492 | hs->error_frames -= lso->error_frames; | |
5493 | ||
76a95d75 | 5494 | if (phba->hba_flag & HBA_FCOE_MODE) { |
4d9ab994 JS |
5495 | hs->lip_count = -1; |
5496 | hs->nos_count = (phba->link_events >> 1); | |
5497 | hs->nos_count -= lso->link_events; | |
76a95d75 | 5498 | } else if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { |
dea3101e | 5499 | hs->lip_count = (phba->fc_eventTag >> 1); |
64ba8818 | 5500 | hs->lip_count -= lso->link_events; |
dea3101e JB |
5501 | hs->nos_count = -1; |
5502 | } else { | |
5503 | hs->lip_count = -1; | |
5504 | hs->nos_count = (phba->fc_eventTag >> 1); | |
64ba8818 | 5505 | hs->nos_count -= lso->link_events; |
dea3101e JB |
5506 | } |
5507 | ||
5508 | hs->dumped_frames = -1; | |
5509 | ||
64ba8818 JS |
5510 | seconds = get_seconds(); |
5511 | if (seconds < psli->stats_start) | |
5512 | hs->seconds_since_last_reset = seconds + | |
5513 | ((unsigned long)-1 - psli->stats_start); | |
5514 | else | |
5515 | hs->seconds_since_last_reset = seconds - psli->stats_start; | |
dea3101e | 5516 | |
1dcb58e5 JS |
5517 | mempool_free(pmboxq, phba->mbox_mem_pool); |
5518 | ||
dea3101e JB |
5519 | return hs; |
5520 | } | |
5521 | ||
e59058c4 | 5522 | /** |
3621a710 | 5523 | * lpfc_reset_stats - Copy the adapter link stats information |
e59058c4 JS |
5524 | * @shost: kernel scsi host pointer. |
5525 | **/ | |
64ba8818 JS |
5526 | static void |
5527 | lpfc_reset_stats(struct Scsi_Host *shost) | |
5528 | { | |
2e0fef85 JS |
5529 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
5530 | struct lpfc_hba *phba = vport->phba; | |
5531 | struct lpfc_sli *psli = &phba->sli; | |
5532 | struct lpfc_lnk_stat *lso = &psli->lnk_stat_offsets; | |
64ba8818 JS |
5533 | LPFC_MBOXQ_t *pmboxq; |
5534 | MAILBOX_t *pmb; | |
5535 | int rc = 0; | |
5536 | ||
2e0fef85 | 5537 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) |
46fa311e JS |
5538 | return; |
5539 | ||
64ba8818 JS |
5540 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
5541 | if (!pmboxq) | |
5542 | return; | |
5543 | memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t)); | |
5544 | ||
04c68496 | 5545 | pmb = &pmboxq->u.mb; |
64ba8818 JS |
5546 | pmb->mbxCommand = MBX_READ_STATUS; |
5547 | pmb->mbxOwner = OWN_HOST; | |
5548 | pmb->un.varWords[0] = 0x1; /* reset request */ | |
5549 | pmboxq->context1 = NULL; | |
92d7f7b0 | 5550 | pmboxq->vport = vport; |
64ba8818 | 5551 | |
2e0fef85 | 5552 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
f4b4c68f | 5553 | (!(psli->sli_flag & LPFC_SLI_ACTIVE))) |
64ba8818 JS |
5554 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
5555 | else | |
5556 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); | |
5557 | ||
5558 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 5559 | if (rc != MBX_TIMEOUT) |
64ba8818 JS |
5560 | mempool_free(pmboxq, phba->mbox_mem_pool); |
5561 | return; | |
5562 | } | |
5563 | ||
5564 | memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t)); | |
5565 | pmb->mbxCommand = MBX_READ_LNK_STAT; | |
5566 | pmb->mbxOwner = OWN_HOST; | |
5567 | pmboxq->context1 = NULL; | |
92d7f7b0 | 5568 | pmboxq->vport = vport; |
64ba8818 | 5569 | |
2e0fef85 | 5570 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
f4b4c68f | 5571 | (!(psli->sli_flag & LPFC_SLI_ACTIVE))) |
64ba8818 JS |
5572 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
5573 | else | |
5574 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); | |
5575 | ||
5576 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 5577 | if (rc != MBX_TIMEOUT) |
64ba8818 JS |
5578 | mempool_free( pmboxq, phba->mbox_mem_pool); |
5579 | return; | |
5580 | } | |
5581 | ||
5582 | lso->link_failure_count = pmb->un.varRdLnk.linkFailureCnt; | |
5583 | lso->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt; | |
5584 | lso->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt; | |
5585 | lso->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt; | |
5586 | lso->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord; | |
5587 | lso->invalid_crc_count = pmb->un.varRdLnk.crcCnt; | |
5588 | lso->error_frames = pmb->un.varRdLnk.crcCnt; | |
76a95d75 | 5589 | if (phba->hba_flag & HBA_FCOE_MODE) |
4d9ab994 JS |
5590 | lso->link_events = (phba->link_events >> 1); |
5591 | else | |
5592 | lso->link_events = (phba->fc_eventTag >> 1); | |
64ba8818 JS |
5593 | |
5594 | psli->stats_start = get_seconds(); | |
5595 | ||
1dcb58e5 JS |
5596 | mempool_free(pmboxq, phba->mbox_mem_pool); |
5597 | ||
64ba8818 JS |
5598 | return; |
5599 | } | |
dea3101e JB |
5600 | |
5601 | /* | |
5602 | * The LPFC driver treats linkdown handling as target loss events so there | |
5603 | * are no sysfs handlers for link_down_tmo. | |
5604 | */ | |
685f0bf7 | 5605 | |
e59058c4 | 5606 | /** |
3621a710 | 5607 | * lpfc_get_node_by_target - Return the nodelist for a target |
e59058c4 JS |
5608 | * @starget: kernel scsi target pointer. |
5609 | * | |
5610 | * Returns: | |
5611 | * address of the node list if found | |
5612 | * NULL target not found | |
5613 | **/ | |
685f0bf7 JS |
5614 | static struct lpfc_nodelist * |
5615 | lpfc_get_node_by_target(struct scsi_target *starget) | |
dea3101e | 5616 | { |
2e0fef85 JS |
5617 | struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); |
5618 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
685f0bf7 | 5619 | struct lpfc_nodelist *ndlp; |
dea3101e JB |
5620 | |
5621 | spin_lock_irq(shost->host_lock); | |
685f0bf7 | 5622 | /* Search for this, mapped, target ID */ |
2e0fef85 | 5623 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
e47c9093 JS |
5624 | if (NLP_CHK_NODE_ACT(ndlp) && |
5625 | ndlp->nlp_state == NLP_STE_MAPPED_NODE && | |
685f0bf7 JS |
5626 | starget->id == ndlp->nlp_sid) { |
5627 | spin_unlock_irq(shost->host_lock); | |
5628 | return ndlp; | |
dea3101e JB |
5629 | } |
5630 | } | |
5631 | spin_unlock_irq(shost->host_lock); | |
685f0bf7 JS |
5632 | return NULL; |
5633 | } | |
dea3101e | 5634 | |
e59058c4 | 5635 | /** |
3621a710 | 5636 | * lpfc_get_starget_port_id - Set the target port id to the ndlp DID or -1 |
e59058c4 JS |
5637 | * @starget: kernel scsi target pointer. |
5638 | **/ | |
685f0bf7 JS |
5639 | static void |
5640 | lpfc_get_starget_port_id(struct scsi_target *starget) | |
5641 | { | |
5642 | struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); | |
5643 | ||
5644 | fc_starget_port_id(starget) = ndlp ? ndlp->nlp_DID : -1; | |
dea3101e JB |
5645 | } |
5646 | ||
e59058c4 | 5647 | /** |
3621a710 | 5648 | * lpfc_get_starget_node_name - Set the target node name |
e59058c4 JS |
5649 | * @starget: kernel scsi target pointer. |
5650 | * | |
5651 | * Description: Set the target node name to the ndlp node name wwn or zero. | |
5652 | **/ | |
dea3101e JB |
5653 | static void |
5654 | lpfc_get_starget_node_name(struct scsi_target *starget) | |
5655 | { | |
685f0bf7 | 5656 | struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); |
dea3101e | 5657 | |
685f0bf7 JS |
5658 | fc_starget_node_name(starget) = |
5659 | ndlp ? wwn_to_u64(ndlp->nlp_nodename.u.wwn) : 0; | |
dea3101e JB |
5660 | } |
5661 | ||
e59058c4 | 5662 | /** |
3621a710 | 5663 | * lpfc_get_starget_port_name - Set the target port name |
e59058c4 JS |
5664 | * @starget: kernel scsi target pointer. |
5665 | * | |
5666 | * Description: set the target port name to the ndlp port name wwn or zero. | |
5667 | **/ | |
dea3101e JB |
5668 | static void |
5669 | lpfc_get_starget_port_name(struct scsi_target *starget) | |
5670 | { | |
685f0bf7 | 5671 | struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); |
dea3101e | 5672 | |
685f0bf7 JS |
5673 | fc_starget_port_name(starget) = |
5674 | ndlp ? wwn_to_u64(ndlp->nlp_portname.u.wwn) : 0; | |
dea3101e JB |
5675 | } |
5676 | ||
e59058c4 | 5677 | /** |
3621a710 | 5678 | * lpfc_set_rport_loss_tmo - Set the rport dev loss tmo |
e59058c4 JS |
5679 | * @rport: fc rport address. |
5680 | * @timeout: new value for dev loss tmo. | |
5681 | * | |
5682 | * Description: | |
5683 | * If timeout is non zero set the dev_loss_tmo to timeout, else set | |
5684 | * dev_loss_tmo to one. | |
5685 | **/ | |
dea3101e JB |
5686 | static void |
5687 | lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout) | |
5688 | { | |
dea3101e | 5689 | if (timeout) |
c01f3208 | 5690 | rport->dev_loss_tmo = timeout; |
dea3101e | 5691 | else |
c01f3208 | 5692 | rport->dev_loss_tmo = 1; |
dea3101e JB |
5693 | } |
5694 | ||
e59058c4 | 5695 | /** |
3621a710 | 5696 | * lpfc_rport_show_function - Return rport target information |
e59058c4 JS |
5697 | * |
5698 | * Description: | |
5699 | * Macro that uses field to generate a function with the name lpfc_show_rport_ | |
5700 | * | |
5701 | * lpfc_show_rport_##field: returns the bytes formatted in buf | |
5702 | * @cdev: class converted to an fc_rport. | |
5703 | * @buf: on return contains the target_field or zero. | |
5704 | * | |
5705 | * Returns: size of formatted string. | |
5706 | **/ | |
dea3101e JB |
5707 | #define lpfc_rport_show_function(field, format_string, sz, cast) \ |
5708 | static ssize_t \ | |
ee959b00 TJ |
5709 | lpfc_show_rport_##field (struct device *dev, \ |
5710 | struct device_attribute *attr, \ | |
5711 | char *buf) \ | |
dea3101e | 5712 | { \ |
ee959b00 | 5713 | struct fc_rport *rport = transport_class_to_rport(dev); \ |
dea3101e JB |
5714 | struct lpfc_rport_data *rdata = rport->hostdata; \ |
5715 | return snprintf(buf, sz, format_string, \ | |
5716 | (rdata->target) ? cast rdata->target->field : 0); \ | |
5717 | } | |
5718 | ||
5719 | #define lpfc_rport_rd_attr(field, format_string, sz) \ | |
5720 | lpfc_rport_show_function(field, format_string, sz, ) \ | |
5721 | static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL) | |
5722 | ||
eada272d | 5723 | /** |
3621a710 | 5724 | * lpfc_set_vport_symbolic_name - Set the vport's symbolic name |
eada272d JS |
5725 | * @fc_vport: The fc_vport who's symbolic name has been changed. |
5726 | * | |
5727 | * Description: | |
5728 | * This function is called by the transport after the @fc_vport's symbolic name | |
5729 | * has been changed. This function re-registers the symbolic name with the | |
25985edc | 5730 | * switch to propagate the change into the fabric if the vport is active. |
eada272d JS |
5731 | **/ |
5732 | static void | |
5733 | lpfc_set_vport_symbolic_name(struct fc_vport *fc_vport) | |
5734 | { | |
5735 | struct lpfc_vport *vport = *(struct lpfc_vport **)fc_vport->dd_data; | |
5736 | ||
5737 | if (vport->port_state == LPFC_VPORT_READY) | |
5738 | lpfc_ns_cmd(vport, SLI_CTNS_RSPN_ID, 0, 0); | |
5739 | } | |
dea3101e | 5740 | |
f4b4c68f JS |
5741 | /** |
5742 | * lpfc_hba_log_verbose_init - Set hba's log verbose level | |
5743 | * @phba: Pointer to lpfc_hba struct. | |
5744 | * | |
5745 | * This function is called by the lpfc_get_cfgparam() routine to set the | |
5746 | * module lpfc_log_verbose into the @phba cfg_log_verbose for use with | |
70f23fd6 | 5747 | * log message according to the module's lpfc_log_verbose parameter setting |
f4b4c68f JS |
5748 | * before hba port or vport created. |
5749 | **/ | |
5750 | static void | |
5751 | lpfc_hba_log_verbose_init(struct lpfc_hba *phba, uint32_t verbose) | |
5752 | { | |
5753 | phba->cfg_log_verbose = verbose; | |
5754 | } | |
5755 | ||
dea3101e JB |
5756 | struct fc_function_template lpfc_transport_functions = { |
5757 | /* fixed attributes the driver supports */ | |
5758 | .show_host_node_name = 1, | |
5759 | .show_host_port_name = 1, | |
5760 | .show_host_supported_classes = 1, | |
5761 | .show_host_supported_fc4s = 1, | |
dea3101e JB |
5762 | .show_host_supported_speeds = 1, |
5763 | .show_host_maxframe_size = 1, | |
eada272d | 5764 | .show_host_symbolic_name = 1, |
dea3101e JB |
5765 | |
5766 | /* dynamic attributes the driver supports */ | |
5767 | .get_host_port_id = lpfc_get_host_port_id, | |
5768 | .show_host_port_id = 1, | |
5769 | ||
5770 | .get_host_port_type = lpfc_get_host_port_type, | |
5771 | .show_host_port_type = 1, | |
5772 | ||
5773 | .get_host_port_state = lpfc_get_host_port_state, | |
5774 | .show_host_port_state = 1, | |
5775 | ||
5776 | /* active_fc4s is shown but doesn't change (thus no get function) */ | |
5777 | .show_host_active_fc4s = 1, | |
5778 | ||
5779 | .get_host_speed = lpfc_get_host_speed, | |
5780 | .show_host_speed = 1, | |
5781 | ||
5782 | .get_host_fabric_name = lpfc_get_host_fabric_name, | |
5783 | .show_host_fabric_name = 1, | |
5784 | ||
5785 | /* | |
5786 | * The LPFC driver treats linkdown handling as target loss events | |
5787 | * so there are no sysfs handlers for link_down_tmo. | |
5788 | */ | |
5789 | ||
5790 | .get_fc_host_stats = lpfc_get_stats, | |
64ba8818 | 5791 | .reset_fc_host_stats = lpfc_reset_stats, |
dea3101e JB |
5792 | |
5793 | .dd_fcrport_size = sizeof(struct lpfc_rport_data), | |
5794 | .show_rport_maxframe_size = 1, | |
5795 | .show_rport_supported_classes = 1, | |
5796 | ||
dea3101e JB |
5797 | .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo, |
5798 | .show_rport_dev_loss_tmo = 1, | |
5799 | ||
5800 | .get_starget_port_id = lpfc_get_starget_port_id, | |
5801 | .show_starget_port_id = 1, | |
5802 | ||
5803 | .get_starget_node_name = lpfc_get_starget_node_name, | |
5804 | .show_starget_node_name = 1, | |
5805 | ||
5806 | .get_starget_port_name = lpfc_get_starget_port_name, | |
5807 | .show_starget_port_name = 1, | |
91ca7b01 AV |
5808 | |
5809 | .issue_fc_host_lip = lpfc_issue_lip, | |
c01f3208 JS |
5810 | .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk, |
5811 | .terminate_rport_io = lpfc_terminate_rport_io, | |
92d7f7b0 | 5812 | |
92d7f7b0 | 5813 | .dd_fcvport_size = sizeof(struct lpfc_vport *), |
eada272d JS |
5814 | |
5815 | .vport_disable = lpfc_vport_disable, | |
5816 | ||
5817 | .set_vport_symbolic_name = lpfc_set_vport_symbolic_name, | |
f1c3b0fc JS |
5818 | |
5819 | .bsg_request = lpfc_bsg_request, | |
5820 | .bsg_timeout = lpfc_bsg_timeout, | |
92d7f7b0 JS |
5821 | }; |
5822 | ||
98c9ea5c JS |
5823 | struct fc_function_template lpfc_vport_transport_functions = { |
5824 | /* fixed attributes the driver supports */ | |
5825 | .show_host_node_name = 1, | |
5826 | .show_host_port_name = 1, | |
5827 | .show_host_supported_classes = 1, | |
5828 | .show_host_supported_fc4s = 1, | |
5829 | .show_host_supported_speeds = 1, | |
5830 | .show_host_maxframe_size = 1, | |
eada272d | 5831 | .show_host_symbolic_name = 1, |
98c9ea5c JS |
5832 | |
5833 | /* dynamic attributes the driver supports */ | |
5834 | .get_host_port_id = lpfc_get_host_port_id, | |
5835 | .show_host_port_id = 1, | |
5836 | ||
5837 | .get_host_port_type = lpfc_get_host_port_type, | |
5838 | .show_host_port_type = 1, | |
5839 | ||
5840 | .get_host_port_state = lpfc_get_host_port_state, | |
5841 | .show_host_port_state = 1, | |
5842 | ||
5843 | /* active_fc4s is shown but doesn't change (thus no get function) */ | |
5844 | .show_host_active_fc4s = 1, | |
5845 | ||
5846 | .get_host_speed = lpfc_get_host_speed, | |
5847 | .show_host_speed = 1, | |
5848 | ||
5849 | .get_host_fabric_name = lpfc_get_host_fabric_name, | |
5850 | .show_host_fabric_name = 1, | |
5851 | ||
5852 | /* | |
5853 | * The LPFC driver treats linkdown handling as target loss events | |
5854 | * so there are no sysfs handlers for link_down_tmo. | |
5855 | */ | |
5856 | ||
5857 | .get_fc_host_stats = lpfc_get_stats, | |
5858 | .reset_fc_host_stats = lpfc_reset_stats, | |
5859 | ||
5860 | .dd_fcrport_size = sizeof(struct lpfc_rport_data), | |
5861 | .show_rport_maxframe_size = 1, | |
5862 | .show_rport_supported_classes = 1, | |
5863 | ||
5864 | .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo, | |
5865 | .show_rport_dev_loss_tmo = 1, | |
5866 | ||
5867 | .get_starget_port_id = lpfc_get_starget_port_id, | |
5868 | .show_starget_port_id = 1, | |
5869 | ||
5870 | .get_starget_node_name = lpfc_get_starget_node_name, | |
5871 | .show_starget_node_name = 1, | |
5872 | ||
5873 | .get_starget_port_name = lpfc_get_starget_port_name, | |
5874 | .show_starget_port_name = 1, | |
5875 | ||
5876 | .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk, | |
5877 | .terminate_rport_io = lpfc_terminate_rport_io, | |
5878 | ||
5879 | .vport_disable = lpfc_vport_disable, | |
eada272d JS |
5880 | |
5881 | .set_vport_symbolic_name = lpfc_set_vport_symbolic_name, | |
98c9ea5c JS |
5882 | }; |
5883 | ||
e59058c4 | 5884 | /** |
3621a710 | 5885 | * lpfc_get_cfgparam - Used during probe_one to init the adapter structure |
e59058c4 JS |
5886 | * @phba: lpfc_hba pointer. |
5887 | **/ | |
dea3101e JB |
5888 | void |
5889 | lpfc_get_cfgparam(struct lpfc_hba *phba) | |
5890 | { | |
49aa143d | 5891 | lpfc_fcp_io_sched_init(phba, lpfc_fcp_io_sched); |
a6571c6e | 5892 | lpfc_fcp2_no_tgt_reset_init(phba, lpfc_fcp2_no_tgt_reset); |
7bcbb752 JSEC |
5893 | lpfc_cr_delay_init(phba, lpfc_cr_delay); |
5894 | lpfc_cr_count_init(phba, lpfc_cr_count); | |
cf5bf97e | 5895 | lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support); |
a4bc3379 JS |
5896 | lpfc_multi_ring_rctl_init(phba, lpfc_multi_ring_rctl); |
5897 | lpfc_multi_ring_type_init(phba, lpfc_multi_ring_type); | |
7bcbb752 JSEC |
5898 | lpfc_ack0_init(phba, lpfc_ack0); |
5899 | lpfc_topology_init(phba, lpfc_topology); | |
7bcbb752 | 5900 | lpfc_link_speed_init(phba, lpfc_link_speed); |
875fbdfe | 5901 | lpfc_poll_tmo_init(phba, lpfc_poll_tmo); |
0c411222 | 5902 | lpfc_task_mgmt_tmo_init(phba, lpfc_task_mgmt_tmo); |
78b2d852 | 5903 | lpfc_enable_npiv_init(phba, lpfc_enable_npiv); |
7d791df7 | 5904 | lpfc_fcf_failover_policy_init(phba, lpfc_fcf_failover_policy); |
19ca7609 | 5905 | lpfc_enable_rrq_init(phba, lpfc_enable_rrq); |
4258e98e JS |
5906 | lpfc_fdmi_on_init(phba, lpfc_fdmi_on); |
5907 | lpfc_enable_SmartSAN_init(phba, lpfc_enable_SmartSAN); | |
4ff43246 | 5908 | lpfc_use_msi_init(phba, lpfc_use_msi); |
da0436e9 | 5909 | lpfc_fcp_imax_init(phba, lpfc_fcp_imax); |
7bb03bbf | 5910 | lpfc_fcp_cpu_map_init(phba, lpfc_fcp_cpu_map); |
67d12733 | 5911 | lpfc_fcp_io_channel_init(phba, lpfc_fcp_io_channel); |
13815c83 JS |
5912 | lpfc_enable_hba_reset_init(phba, lpfc_enable_hba_reset); |
5913 | lpfc_enable_hba_heartbeat_init(phba, lpfc_enable_hba_heartbeat); | |
1ba981fd JS |
5914 | lpfc_EnableXLane_init(phba, lpfc_EnableXLane); |
5915 | if (phba->sli_rev != LPFC_SLI_REV4) | |
5916 | phba->cfg_EnableXLane = 0; | |
5917 | lpfc_XLanePriority_init(phba, lpfc_XLanePriority); | |
5918 | memset(phba->cfg_oas_tgt_wwpn, 0, (8 * sizeof(uint8_t))); | |
5919 | memset(phba->cfg_oas_vpt_wwpn, 0, (8 * sizeof(uint8_t))); | |
5920 | phba->cfg_oas_lun_state = 0; | |
5921 | phba->cfg_oas_lun_status = 0; | |
5922 | phba->cfg_oas_flags = 0; | |
c92c841c | 5923 | phba->cfg_oas_priority = 0; |
81301a9b | 5924 | lpfc_enable_bg_init(phba, lpfc_enable_bg); |
45ed1190 JS |
5925 | if (phba->sli_rev == LPFC_SLI_REV4) |
5926 | phba->cfg_poll = 0; | |
5927 | else | |
1ba981fd | 5928 | phba->cfg_poll = lpfc_poll; |
4258e98e | 5929 | |
a12e07bc | 5930 | phba->cfg_soft_wwnn = 0L; |
c3f28afa | 5931 | phba->cfg_soft_wwpn = 0L; |
83108bd3 | 5932 | lpfc_sg_seg_cnt_init(phba, lpfc_sg_seg_cnt); |
81301a9b | 5933 | lpfc_prot_sg_seg_cnt_init(phba, lpfc_prot_sg_seg_cnt); |
7054a606 | 5934 | lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth); |
6fb120a7 | 5935 | lpfc_hba_log_verbose_init(phba, lpfc_log_verbose); |
0d878419 | 5936 | lpfc_aer_support_init(phba, lpfc_aer_support); |
912e3acd | 5937 | lpfc_sriov_nr_virtfn_init(phba, lpfc_sriov_nr_virtfn); |
c71ab861 | 5938 | lpfc_request_firmware_upgrade_init(phba, lpfc_req_fw_upgrade); |
84d1b006 | 5939 | lpfc_suppress_link_up_init(phba, lpfc_suppress_link_up); |
2a9bf3d0 | 5940 | lpfc_iocb_cnt_init(phba, lpfc_iocb_cnt); |
ab56dc2e | 5941 | phba->cfg_enable_dss = 1; |
7bdedb34 | 5942 | lpfc_enable_mds_diags_init(phba, lpfc_enable_mds_diags); |
3de2a653 JS |
5943 | return; |
5944 | } | |
b28485ac | 5945 | |
e59058c4 | 5946 | /** |
3621a710 | 5947 | * lpfc_get_vport_cfgparam - Used during port create, init the vport structure |
e59058c4 JS |
5948 | * @vport: lpfc_vport pointer. |
5949 | **/ | |
3de2a653 JS |
5950 | void |
5951 | lpfc_get_vport_cfgparam(struct lpfc_vport *vport) | |
5952 | { | |
e8b62011 | 5953 | lpfc_log_verbose_init(vport, lpfc_log_verbose); |
3de2a653 | 5954 | lpfc_lun_queue_depth_init(vport, lpfc_lun_queue_depth); |
7dc517df | 5955 | lpfc_tgt_queue_depth_init(vport, lpfc_tgt_queue_depth); |
3de2a653 JS |
5956 | lpfc_devloss_tmo_init(vport, lpfc_devloss_tmo); |
5957 | lpfc_nodev_tmo_init(vport, lpfc_nodev_tmo); | |
5958 | lpfc_peer_port_login_init(vport, lpfc_peer_port_login); | |
5959 | lpfc_restrict_login_init(vport, lpfc_restrict_login); | |
5960 | lpfc_fcp_class_init(vport, lpfc_fcp_class); | |
5961 | lpfc_use_adisc_init(vport, lpfc_use_adisc); | |
3cb01c57 | 5962 | lpfc_first_burst_size_init(vport, lpfc_first_burst_size); |
977b5a0a | 5963 | lpfc_max_scsicmpl_time_init(vport, lpfc_max_scsicmpl_time); |
3de2a653 JS |
5964 | lpfc_discovery_threads_init(vport, lpfc_discovery_threads); |
5965 | lpfc_max_luns_init(vport, lpfc_max_luns); | |
5966 | lpfc_scan_down_init(vport, lpfc_scan_down); | |
7ee5d43e | 5967 | lpfc_enable_da_id_init(vport, lpfc_enable_da_id); |
dea3101e JB |
5968 | return; |
5969 | } |