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