Commit | Line | Data |
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dea3101e | 1 | /******************************************************************* |
2 | * This file is part of the Emulex Linux Device Driver for * | |
c44ce173 | 3 | * Fibre Channel Host Bus Adapters. * |
92494144 | 4 | * Copyright (C) 2004-2011 Emulex. All rights reserved. * |
c44ce173 | 5 | * EMULEX and SLI are trademarks of Emulex. * |
dea3101e | 6 | * www.emulex.com * |
c44ce173 | 7 | * Portions Copyright (C) 2004-2005 Christoph Hellwig * |
dea3101e | 8 | * * |
9 | * This program is free software; you can redistribute it and/or * | |
c44ce173 JSEC |
10 | * modify it under the terms of version 2 of the GNU General * |
11 | * Public License as published by the Free Software Foundation. * | |
12 | * This program is distributed in the hope that it will be useful. * | |
13 | * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * | |
14 | * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * | |
15 | * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * | |
16 | * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * | |
17 | * TO BE LEGALLY INVALID. See the GNU General Public License for * | |
18 | * more details, a copy of which can be found in the file COPYING * | |
19 | * included with this package. * | |
dea3101e | 20 | *******************************************************************/ |
21 | ||
dea3101e | 22 | #include <linux/ctype.h> |
46fa311e | 23 | #include <linux/delay.h> |
dea3101e | 24 | #include <linux/pci.h> |
25 | #include <linux/interrupt.h> | |
acf3368f | 26 | #include <linux/module.h> |
0d878419 | 27 | #include <linux/aer.h> |
5a0e3ad6 | 28 | #include <linux/gfp.h> |
ecc30990 | 29 | #include <linux/kernel.h> |
dea3101e | 30 | |
91886523 | 31 | #include <scsi/scsi.h> |
dea3101e | 32 | #include <scsi/scsi_device.h> |
33 | #include <scsi/scsi_host.h> | |
34 | #include <scsi/scsi_tcq.h> | |
35 | #include <scsi/scsi_transport_fc.h> | |
6a9c52cf | 36 | #include <scsi/fc/fc_fs.h> |
dea3101e | 37 | |
da0436e9 | 38 | #include "lpfc_hw4.h" |
dea3101e | 39 | #include "lpfc_hw.h" |
40 | #include "lpfc_sli.h" | |
da0436e9 | 41 | #include "lpfc_sli4.h" |
ea2151b4 | 42 | #include "lpfc_nl.h" |
dea3101e | 43 | #include "lpfc_disc.h" |
44 | #include "lpfc_scsi.h" | |
45 | #include "lpfc.h" | |
46 | #include "lpfc_logmsg.h" | |
47 | #include "lpfc_version.h" | |
48 | #include "lpfc_compat.h" | |
49 | #include "lpfc_crtn.h" | |
92d7f7b0 | 50 | #include "lpfc_vport.h" |
dea3101e | 51 | |
c01f3208 JS |
52 | #define LPFC_DEF_DEVLOSS_TMO 30 |
53 | #define LPFC_MIN_DEVLOSS_TMO 1 | |
54 | #define LPFC_MAX_DEVLOSS_TMO 255 | |
dea3101e | 55 | |
f7a919b4 JS |
56 | /* |
57 | * Write key size should be multiple of 4. If write key is changed | |
58 | * make sure that library write key is also changed. | |
59 | */ | |
60 | #define LPFC_REG_WRITE_KEY_SIZE 4 | |
61 | #define LPFC_REG_WRITE_KEY "EMLX" | |
62 | ||
e59058c4 | 63 | /** |
3621a710 | 64 | * lpfc_jedec_to_ascii - Hex to ascii convertor according to JEDEC rules |
e59058c4 JS |
65 | * @incr: integer to convert. |
66 | * @hdw: ascii string holding converted integer plus a string terminator. | |
67 | * | |
68 | * Description: | |
69 | * JEDEC Joint Electron Device Engineering Council. | |
70 | * Convert a 32 bit integer composed of 8 nibbles into an 8 byte ascii | |
71 | * character string. The string is then terminated with a NULL in byte 9. | |
72 | * Hex 0-9 becomes ascii '0' to '9'. | |
73 | * Hex a-f becomes ascii '=' to 'B' capital B. | |
74 | * | |
75 | * Notes: | |
76 | * Coded for 32 bit integers only. | |
77 | **/ | |
dea3101e | 78 | static void |
79 | lpfc_jedec_to_ascii(int incr, char hdw[]) | |
80 | { | |
81 | int i, j; | |
82 | for (i = 0; i < 8; i++) { | |
83 | j = (incr & 0xf); | |
84 | if (j <= 9) | |
85 | hdw[7 - i] = 0x30 + j; | |
86 | else | |
87 | hdw[7 - i] = 0x61 + j - 10; | |
88 | incr = (incr >> 4); | |
89 | } | |
90 | hdw[8] = 0; | |
91 | return; | |
92 | } | |
93 | ||
e59058c4 | 94 | /** |
3621a710 | 95 | * lpfc_drvr_version_show - Return the Emulex driver string with version number |
e59058c4 JS |
96 | * @dev: class unused variable. |
97 | * @attr: device attribute, not used. | |
98 | * @buf: on return contains the module description text. | |
99 | * | |
100 | * Returns: size of formatted string. | |
101 | **/ | |
dea3101e | 102 | static ssize_t |
ee959b00 TJ |
103 | lpfc_drvr_version_show(struct device *dev, struct device_attribute *attr, |
104 | char *buf) | |
dea3101e | 105 | { |
106 | return snprintf(buf, PAGE_SIZE, LPFC_MODULE_DESC "\n"); | |
107 | } | |
108 | ||
45ed1190 JS |
109 | /** |
110 | * lpfc_enable_fip_show - Return the fip mode of the HBA | |
111 | * @dev: class unused variable. | |
112 | * @attr: device attribute, not used. | |
113 | * @buf: on return contains the module description text. | |
114 | * | |
115 | * Returns: size of formatted string. | |
116 | **/ | |
117 | static ssize_t | |
118 | lpfc_enable_fip_show(struct device *dev, struct device_attribute *attr, | |
119 | char *buf) | |
120 | { | |
121 | struct Scsi_Host *shost = class_to_shost(dev); | |
122 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
123 | struct lpfc_hba *phba = vport->phba; | |
124 | ||
125 | if (phba->hba_flag & HBA_FIP_SUPPORT) | |
126 | return snprintf(buf, PAGE_SIZE, "1\n"); | |
127 | else | |
128 | return snprintf(buf, PAGE_SIZE, "0\n"); | |
129 | } | |
130 | ||
81301a9b JS |
131 | static ssize_t |
132 | lpfc_bg_info_show(struct device *dev, struct device_attribute *attr, | |
133 | char *buf) | |
134 | { | |
135 | struct Scsi_Host *shost = class_to_shost(dev); | |
136 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
137 | struct lpfc_hba *phba = vport->phba; | |
138 | ||
139 | if (phba->cfg_enable_bg) | |
140 | if (phba->sli3_options & LPFC_SLI3_BG_ENABLED) | |
141 | return snprintf(buf, PAGE_SIZE, "BlockGuard Enabled\n"); | |
142 | else | |
143 | return snprintf(buf, PAGE_SIZE, | |
144 | "BlockGuard Not Supported\n"); | |
145 | else | |
146 | return snprintf(buf, PAGE_SIZE, | |
147 | "BlockGuard Disabled\n"); | |
148 | } | |
149 | ||
150 | static ssize_t | |
151 | lpfc_bg_guard_err_show(struct device *dev, struct device_attribute *attr, | |
152 | char *buf) | |
153 | { | |
154 | struct Scsi_Host *shost = class_to_shost(dev); | |
155 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
156 | struct lpfc_hba *phba = vport->phba; | |
157 | ||
87b5c328 JS |
158 | return snprintf(buf, PAGE_SIZE, "%llu\n", |
159 | (unsigned long long)phba->bg_guard_err_cnt); | |
81301a9b JS |
160 | } |
161 | ||
162 | static ssize_t | |
163 | lpfc_bg_apptag_err_show(struct device *dev, struct device_attribute *attr, | |
164 | char *buf) | |
165 | { | |
166 | struct Scsi_Host *shost = class_to_shost(dev); | |
167 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
168 | struct lpfc_hba *phba = vport->phba; | |
169 | ||
87b5c328 JS |
170 | return snprintf(buf, PAGE_SIZE, "%llu\n", |
171 | (unsigned long long)phba->bg_apptag_err_cnt); | |
81301a9b JS |
172 | } |
173 | ||
174 | static ssize_t | |
175 | lpfc_bg_reftag_err_show(struct device *dev, struct device_attribute *attr, | |
176 | char *buf) | |
177 | { | |
178 | struct Scsi_Host *shost = class_to_shost(dev); | |
179 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
180 | struct lpfc_hba *phba = vport->phba; | |
181 | ||
87b5c328 JS |
182 | return snprintf(buf, PAGE_SIZE, "%llu\n", |
183 | (unsigned long long)phba->bg_reftag_err_cnt); | |
81301a9b JS |
184 | } |
185 | ||
e59058c4 | 186 | /** |
3621a710 | 187 | * lpfc_info_show - Return some pci info about the host in ascii |
e59058c4 JS |
188 | * @dev: class converted to a Scsi_host structure. |
189 | * @attr: device attribute, not used. | |
190 | * @buf: on return contains the formatted text from lpfc_info(). | |
191 | * | |
192 | * Returns: size of formatted string. | |
193 | **/ | |
dea3101e | 194 | static ssize_t |
ee959b00 TJ |
195 | lpfc_info_show(struct device *dev, struct device_attribute *attr, |
196 | char *buf) | |
dea3101e | 197 | { |
ee959b00 | 198 | struct Scsi_Host *host = class_to_shost(dev); |
2e0fef85 | 199 | |
dea3101e | 200 | return snprintf(buf, PAGE_SIZE, "%s\n",lpfc_info(host)); |
201 | } | |
202 | ||
e59058c4 | 203 | /** |
3621a710 | 204 | * lpfc_serialnum_show - Return the hba serial number in ascii |
e59058c4 JS |
205 | * @dev: class converted to a Scsi_host structure. |
206 | * @attr: device attribute, not used. | |
207 | * @buf: on return contains the formatted text serial number. | |
208 | * | |
209 | * Returns: size of formatted string. | |
210 | **/ | |
dea3101e | 211 | static ssize_t |
ee959b00 TJ |
212 | lpfc_serialnum_show(struct device *dev, struct device_attribute *attr, |
213 | char *buf) | |
dea3101e | 214 | { |
ee959b00 | 215 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
216 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
217 | struct lpfc_hba *phba = vport->phba; | |
218 | ||
dea3101e | 219 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->SerialNumber); |
220 | } | |
221 | ||
e59058c4 | 222 | /** |
3621a710 | 223 | * lpfc_temp_sensor_show - Return the temperature sensor level |
e59058c4 JS |
224 | * @dev: class converted to a Scsi_host structure. |
225 | * @attr: device attribute, not used. | |
226 | * @buf: on return contains the formatted support level. | |
227 | * | |
228 | * Description: | |
229 | * Returns a number indicating the temperature sensor level currently | |
230 | * supported, zero or one in ascii. | |
231 | * | |
232 | * Returns: size of formatted string. | |
233 | **/ | |
57127f15 | 234 | static ssize_t |
ee959b00 TJ |
235 | lpfc_temp_sensor_show(struct device *dev, struct device_attribute *attr, |
236 | char *buf) | |
57127f15 | 237 | { |
ee959b00 | 238 | struct Scsi_Host *shost = class_to_shost(dev); |
57127f15 JS |
239 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
240 | struct lpfc_hba *phba = vport->phba; | |
241 | return snprintf(buf, PAGE_SIZE, "%d\n",phba->temp_sensor_support); | |
242 | } | |
243 | ||
e59058c4 | 244 | /** |
3621a710 | 245 | * lpfc_modeldesc_show - Return the model description of the hba |
e59058c4 JS |
246 | * @dev: class converted to a Scsi_host structure. |
247 | * @attr: device attribute, not used. | |
248 | * @buf: on return contains the scsi vpd model description. | |
249 | * | |
250 | * Returns: size of formatted string. | |
251 | **/ | |
dea3101e | 252 | static ssize_t |
ee959b00 TJ |
253 | lpfc_modeldesc_show(struct device *dev, struct device_attribute *attr, |
254 | char *buf) | |
dea3101e | 255 | { |
ee959b00 | 256 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
257 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
258 | struct lpfc_hba *phba = vport->phba; | |
259 | ||
dea3101e | 260 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelDesc); |
261 | } | |
262 | ||
e59058c4 | 263 | /** |
3621a710 | 264 | * lpfc_modelname_show - Return the model name of the hba |
e59058c4 JS |
265 | * @dev: class converted to a Scsi_host structure. |
266 | * @attr: device attribute, not used. | |
267 | * @buf: on return contains the scsi vpd model name. | |
268 | * | |
269 | * Returns: size of formatted string. | |
270 | **/ | |
dea3101e | 271 | static ssize_t |
ee959b00 TJ |
272 | lpfc_modelname_show(struct device *dev, struct device_attribute *attr, |
273 | char *buf) | |
dea3101e | 274 | { |
ee959b00 | 275 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
276 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
277 | struct lpfc_hba *phba = vport->phba; | |
278 | ||
dea3101e | 279 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelName); |
280 | } | |
281 | ||
e59058c4 | 282 | /** |
3621a710 | 283 | * lpfc_programtype_show - Return the program type of the hba |
e59058c4 JS |
284 | * @dev: class converted to a Scsi_host structure. |
285 | * @attr: device attribute, not used. | |
286 | * @buf: on return contains the scsi vpd program type. | |
287 | * | |
288 | * Returns: size of formatted string. | |
289 | **/ | |
dea3101e | 290 | static ssize_t |
ee959b00 TJ |
291 | lpfc_programtype_show(struct device *dev, struct device_attribute *attr, |
292 | char *buf) | |
dea3101e | 293 | { |
ee959b00 | 294 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
295 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
296 | struct lpfc_hba *phba = vport->phba; | |
297 | ||
dea3101e | 298 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->ProgramType); |
299 | } | |
300 | ||
84774a4d | 301 | /** |
3621a710 | 302 | * lpfc_mlomgmt_show - Return the Menlo Maintenance sli flag |
84774a4d JS |
303 | * @dev: class converted to a Scsi_host structure. |
304 | * @attr: device attribute, not used. | |
305 | * @buf: on return contains the Menlo Maintenance sli flag. | |
306 | * | |
307 | * Returns: size of formatted string. | |
308 | **/ | |
309 | static ssize_t | |
310 | lpfc_mlomgmt_show(struct device *dev, struct device_attribute *attr, char *buf) | |
311 | { | |
312 | struct Scsi_Host *shost = class_to_shost(dev); | |
313 | struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; | |
314 | struct lpfc_hba *phba = vport->phba; | |
315 | ||
316 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
317 | (phba->sli.sli_flag & LPFC_MENLO_MAINT)); | |
318 | } | |
319 | ||
e59058c4 | 320 | /** |
3621a710 | 321 | * lpfc_vportnum_show - Return the port number in ascii of the hba |
e59058c4 JS |
322 | * @dev: class converted to a Scsi_host structure. |
323 | * @attr: device attribute, not used. | |
324 | * @buf: on return contains scsi vpd program type. | |
325 | * | |
326 | * Returns: size of formatted string. | |
327 | **/ | |
dea3101e | 328 | static ssize_t |
ee959b00 TJ |
329 | lpfc_vportnum_show(struct device *dev, struct device_attribute *attr, |
330 | char *buf) | |
dea3101e | 331 | { |
ee959b00 | 332 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
333 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
334 | struct lpfc_hba *phba = vport->phba; | |
335 | ||
dea3101e | 336 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->Port); |
337 | } | |
338 | ||
e59058c4 | 339 | /** |
3621a710 | 340 | * lpfc_fwrev_show - Return the firmware rev running in the hba |
e59058c4 JS |
341 | * @dev: class converted to a Scsi_host structure. |
342 | * @attr: device attribute, not used. | |
343 | * @buf: on return contains the scsi vpd program type. | |
344 | * | |
345 | * Returns: size of formatted string. | |
346 | **/ | |
dea3101e | 347 | static ssize_t |
ee959b00 TJ |
348 | lpfc_fwrev_show(struct device *dev, struct device_attribute *attr, |
349 | char *buf) | |
dea3101e | 350 | { |
ee959b00 | 351 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
352 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
353 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 354 | char fwrev[32]; |
2e0fef85 | 355 | |
dea3101e | 356 | lpfc_decode_firmware_rev(phba, fwrev, 1); |
92d7f7b0 | 357 | return snprintf(buf, PAGE_SIZE, "%s, sli-%d\n", fwrev, phba->sli_rev); |
dea3101e | 358 | } |
359 | ||
e59058c4 | 360 | /** |
3621a710 | 361 | * lpfc_hdw_show - Return the jedec information about the hba |
e59058c4 JS |
362 | * @dev: class converted to a Scsi_host structure. |
363 | * @attr: device attribute, not used. | |
364 | * @buf: on return contains the scsi vpd program type. | |
365 | * | |
366 | * Returns: size of formatted string. | |
367 | **/ | |
dea3101e | 368 | static ssize_t |
ee959b00 | 369 | lpfc_hdw_show(struct device *dev, struct device_attribute *attr, char *buf) |
dea3101e | 370 | { |
371 | char hdw[9]; | |
ee959b00 | 372 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
373 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
374 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 375 | lpfc_vpd_t *vp = &phba->vpd; |
2e0fef85 | 376 | |
dea3101e | 377 | lpfc_jedec_to_ascii(vp->rev.biuRev, hdw); |
378 | return snprintf(buf, PAGE_SIZE, "%s\n", hdw); | |
379 | } | |
e59058c4 JS |
380 | |
381 | /** | |
3621a710 | 382 | * lpfc_option_rom_version_show - Return the adapter ROM FCode version |
e59058c4 JS |
383 | * @dev: class converted to a Scsi_host structure. |
384 | * @attr: device attribute, not used. | |
385 | * @buf: on return contains the ROM and FCode ascii strings. | |
386 | * | |
387 | * Returns: size of formatted string. | |
388 | **/ | |
dea3101e | 389 | static ssize_t |
ee959b00 TJ |
390 | lpfc_option_rom_version_show(struct device *dev, struct device_attribute *attr, |
391 | char *buf) | |
dea3101e | 392 | { |
ee959b00 | 393 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
394 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
395 | struct lpfc_hba *phba = vport->phba; | |
396 | ||
dea3101e | 397 | return snprintf(buf, PAGE_SIZE, "%s\n", phba->OptionROMVersion); |
398 | } | |
e59058c4 JS |
399 | |
400 | /** | |
3621a710 | 401 | * lpfc_state_show - Return the link state of the port |
e59058c4 JS |
402 | * @dev: class converted to a Scsi_host structure. |
403 | * @attr: device attribute, not used. | |
404 | * @buf: on return contains text describing the state of the link. | |
405 | * | |
406 | * Notes: | |
407 | * The switch statement has no default so zero will be returned. | |
408 | * | |
409 | * Returns: size of formatted string. | |
410 | **/ | |
dea3101e | 411 | static ssize_t |
bbd1ae41 HR |
412 | lpfc_link_state_show(struct device *dev, struct device_attribute *attr, |
413 | char *buf) | |
dea3101e | 414 | { |
ee959b00 | 415 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
416 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
417 | struct lpfc_hba *phba = vport->phba; | |
418 | int len = 0; | |
419 | ||
420 | switch (phba->link_state) { | |
421 | case LPFC_LINK_UNKNOWN: | |
41415862 | 422 | case LPFC_WARM_START: |
dea3101e | 423 | case LPFC_INIT_START: |
424 | case LPFC_INIT_MBX_CMDS: | |
425 | case LPFC_LINK_DOWN: | |
2e0fef85 | 426 | case LPFC_HBA_ERROR: |
a0c87cbd JS |
427 | if (phba->hba_flag & LINK_DISABLED) |
428 | len += snprintf(buf + len, PAGE_SIZE-len, | |
429 | "Link Down - User disabled\n"); | |
430 | else | |
431 | len += snprintf(buf + len, PAGE_SIZE-len, | |
432 | "Link Down\n"); | |
dea3101e | 433 | break; |
434 | case LPFC_LINK_UP: | |
dea3101e | 435 | case LPFC_CLEAR_LA: |
dea3101e | 436 | case LPFC_HBA_READY: |
a8adb832 | 437 | len += snprintf(buf + len, PAGE_SIZE-len, "Link Up - "); |
2e0fef85 JS |
438 | |
439 | switch (vport->port_state) { | |
2e0fef85 JS |
440 | case LPFC_LOCAL_CFG_LINK: |
441 | len += snprintf(buf + len, PAGE_SIZE-len, | |
92d7f7b0 | 442 | "Configuring Link\n"); |
2e0fef85 | 443 | break; |
92d7f7b0 | 444 | case LPFC_FDISC: |
2e0fef85 JS |
445 | case LPFC_FLOGI: |
446 | case LPFC_FABRIC_CFG_LINK: | |
447 | case LPFC_NS_REG: | |
448 | case LPFC_NS_QRY: | |
449 | case LPFC_BUILD_DISC_LIST: | |
450 | case LPFC_DISC_AUTH: | |
451 | len += snprintf(buf + len, PAGE_SIZE - len, | |
452 | "Discovery\n"); | |
453 | break; | |
454 | case LPFC_VPORT_READY: | |
455 | len += snprintf(buf + len, PAGE_SIZE - len, "Ready\n"); | |
456 | break; | |
457 | ||
92d7f7b0 JS |
458 | case LPFC_VPORT_FAILED: |
459 | len += snprintf(buf + len, PAGE_SIZE - len, "Failed\n"); | |
460 | break; | |
461 | ||
462 | case LPFC_VPORT_UNKNOWN: | |
2e0fef85 JS |
463 | len += snprintf(buf + len, PAGE_SIZE - len, |
464 | "Unknown\n"); | |
465 | break; | |
466 | } | |
84774a4d JS |
467 | if (phba->sli.sli_flag & LPFC_MENLO_MAINT) |
468 | len += snprintf(buf + len, PAGE_SIZE-len, | |
469 | " Menlo Maint Mode\n"); | |
76a95d75 | 470 | else if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { |
2e0fef85 | 471 | if (vport->fc_flag & FC_PUBLIC_LOOP) |
dea3101e | 472 | len += snprintf(buf + len, PAGE_SIZE-len, |
473 | " Public Loop\n"); | |
474 | else | |
475 | len += snprintf(buf + len, PAGE_SIZE-len, | |
476 | " Private Loop\n"); | |
477 | } else { | |
2e0fef85 | 478 | if (vport->fc_flag & FC_FABRIC) |
dea3101e | 479 | len += snprintf(buf + len, PAGE_SIZE-len, |
480 | " Fabric\n"); | |
481 | else | |
482 | len += snprintf(buf + len, PAGE_SIZE-len, | |
483 | " Point-2-Point\n"); | |
484 | } | |
485 | } | |
2e0fef85 | 486 | |
dea3101e | 487 | return len; |
488 | } | |
489 | ||
84d1b006 JS |
490 | /** |
491 | * lpfc_link_state_store - Transition the link_state on an HBA port | |
492 | * @dev: class device that is converted into a Scsi_host. | |
493 | * @attr: device attribute, not used. | |
494 | * @buf: one or more lpfc_polling_flags values. | |
495 | * @count: not used. | |
496 | * | |
497 | * Returns: | |
498 | * -EINVAL if the buffer is not "up" or "down" | |
499 | * return from link state change function if non-zero | |
500 | * length of the buf on success | |
501 | **/ | |
502 | static ssize_t | |
503 | lpfc_link_state_store(struct device *dev, struct device_attribute *attr, | |
504 | const char *buf, size_t count) | |
505 | { | |
506 | struct Scsi_Host *shost = class_to_shost(dev); | |
507 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
508 | struct lpfc_hba *phba = vport->phba; | |
509 | ||
510 | int status = -EINVAL; | |
511 | ||
512 | if ((strncmp(buf, "up", sizeof("up") - 1) == 0) && | |
513 | (phba->link_state == LPFC_LINK_DOWN)) | |
6e7288d9 | 514 | status = phba->lpfc_hba_init_link(phba, MBX_NOWAIT); |
84d1b006 JS |
515 | else if ((strncmp(buf, "down", sizeof("down") - 1) == 0) && |
516 | (phba->link_state >= LPFC_LINK_UP)) | |
6e7288d9 | 517 | status = phba->lpfc_hba_down_link(phba, MBX_NOWAIT); |
84d1b006 JS |
518 | |
519 | if (status == 0) | |
520 | return strlen(buf); | |
521 | else | |
522 | return status; | |
523 | } | |
524 | ||
e59058c4 | 525 | /** |
3621a710 | 526 | * lpfc_num_discovered_ports_show - Return sum of mapped and unmapped vports |
e59058c4 JS |
527 | * @dev: class device that is converted into a Scsi_host. |
528 | * @attr: device attribute, not used. | |
529 | * @buf: on return contains the sum of fc mapped and unmapped. | |
530 | * | |
531 | * Description: | |
532 | * Returns the ascii text number of the sum of the fc mapped and unmapped | |
533 | * vport counts. | |
534 | * | |
535 | * Returns: size of formatted string. | |
536 | **/ | |
dea3101e | 537 | static ssize_t |
ee959b00 TJ |
538 | lpfc_num_discovered_ports_show(struct device *dev, |
539 | struct device_attribute *attr, char *buf) | |
dea3101e | 540 | { |
ee959b00 | 541 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
542 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
543 | ||
544 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
545 | vport->fc_map_cnt + vport->fc_unmap_cnt); | |
dea3101e | 546 | } |
547 | ||
e59058c4 | 548 | /** |
3621a710 | 549 | * lpfc_issue_lip - Misnomer, name carried over from long ago |
e59058c4 JS |
550 | * @shost: Scsi_Host pointer. |
551 | * | |
552 | * Description: | |
553 | * Bring the link down gracefully then re-init the link. The firmware will | |
554 | * re-init the fiber channel interface as required. Does not issue a LIP. | |
555 | * | |
556 | * Returns: | |
557 | * -EPERM port offline or management commands are being blocked | |
558 | * -ENOMEM cannot allocate memory for the mailbox command | |
559 | * -EIO error sending the mailbox command | |
560 | * zero for success | |
561 | **/ | |
91ca7b01 | 562 | static int |
2e0fef85 | 563 | lpfc_issue_lip(struct Scsi_Host *shost) |
dea3101e | 564 | { |
2e0fef85 JS |
565 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
566 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 567 | LPFC_MBOXQ_t *pmboxq; |
568 | int mbxstatus = MBXERR_ERROR; | |
569 | ||
2e0fef85 | 570 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
83108bd3 | 571 | (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)) |
dea3101e | 572 | return -EPERM; |
573 | ||
574 | pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL); | |
575 | ||
576 | if (!pmboxq) | |
577 | return -ENOMEM; | |
578 | ||
579 | memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t)); | |
04c68496 JS |
580 | pmboxq->u.mb.mbxCommand = MBX_DOWN_LINK; |
581 | pmboxq->u.mb.mbxOwner = OWN_HOST; | |
4db621e0 | 582 | |
33ccf8d1 | 583 | mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO * 2); |
dea3101e | 584 | |
04c68496 JS |
585 | if ((mbxstatus == MBX_SUCCESS) && |
586 | (pmboxq->u.mb.mbxStatus == 0 || | |
587 | pmboxq->u.mb.mbxStatus == MBXERR_LINK_DOWN)) { | |
4db621e0 JS |
588 | memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t)); |
589 | lpfc_init_link(phba, pmboxq, phba->cfg_topology, | |
590 | phba->cfg_link_speed); | |
591 | mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, | |
592 | phba->fc_ratov * 2); | |
dcf2a4e0 JS |
593 | if ((mbxstatus == MBX_SUCCESS) && |
594 | (pmboxq->u.mb.mbxStatus == MBXERR_SEC_NO_PERMISSION)) | |
595 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
596 | "2859 SLI authentication is required " | |
597 | "for INIT_LINK but has not done yet\n"); | |
4db621e0 JS |
598 | } |
599 | ||
5b8bd0c9 | 600 | lpfc_set_loopback_flag(phba); |
858c9f6c | 601 | if (mbxstatus != MBX_TIMEOUT) |
433c3579 | 602 | mempool_free(pmboxq, phba->mbox_mem_pool); |
dea3101e | 603 | |
604 | if (mbxstatus == MBXERR_ERROR) | |
605 | return -EIO; | |
606 | ||
91ca7b01 | 607 | return 0; |
dea3101e | 608 | } |
609 | ||
e59058c4 | 610 | /** |
3621a710 | 611 | * lpfc_do_offline - Issues a mailbox command to bring the link down |
e59058c4 JS |
612 | * @phba: lpfc_hba pointer. |
613 | * @type: LPFC_EVT_OFFLINE, LPFC_EVT_WARM_START, LPFC_EVT_KILL. | |
614 | * | |
615 | * Notes: | |
616 | * Assumes any error from lpfc_do_offline() will be negative. | |
617 | * Can wait up to 5 seconds for the port ring buffers count | |
618 | * to reach zero, prints a warning if it is not zero and continues. | |
3621a710 | 619 | * lpfc_workq_post_event() returns a non-zero return code if call fails. |
e59058c4 JS |
620 | * |
621 | * Returns: | |
622 | * -EIO error posting the event | |
623 | * zero for success | |
624 | **/ | |
40496f07 | 625 | static int |
46fa311e | 626 | lpfc_do_offline(struct lpfc_hba *phba, uint32_t type) |
40496f07 JS |
627 | { |
628 | struct completion online_compl; | |
46fa311e JS |
629 | struct lpfc_sli_ring *pring; |
630 | struct lpfc_sli *psli; | |
40496f07 | 631 | int status = 0; |
46fa311e JS |
632 | int cnt = 0; |
633 | int i; | |
fedd3b7b | 634 | int rc; |
40496f07 JS |
635 | |
636 | init_completion(&online_compl); | |
fedd3b7b | 637 | rc = lpfc_workq_post_event(phba, &status, &online_compl, |
46fa311e | 638 | LPFC_EVT_OFFLINE_PREP); |
fedd3b7b JS |
639 | if (rc == 0) |
640 | return -ENOMEM; | |
641 | ||
46fa311e JS |
642 | wait_for_completion(&online_compl); |
643 | ||
644 | if (status != 0) | |
645 | return -EIO; | |
646 | ||
647 | psli = &phba->sli; | |
648 | ||
09372820 JS |
649 | /* Wait a little for things to settle down, but not |
650 | * long enough for dev loss timeout to expire. | |
651 | */ | |
46fa311e JS |
652 | for (i = 0; i < psli->num_rings; i++) { |
653 | pring = &psli->ring[i]; | |
46fa311e JS |
654 | while (pring->txcmplq_cnt) { |
655 | msleep(10); | |
09372820 | 656 | if (cnt++ > 500) { /* 5 secs */ |
46fa311e JS |
657 | lpfc_printf_log(phba, |
658 | KERN_WARNING, LOG_INIT, | |
e8b62011 JS |
659 | "0466 Outstanding IO when " |
660 | "bringing Adapter offline\n"); | |
46fa311e JS |
661 | break; |
662 | } | |
663 | } | |
664 | } | |
665 | ||
666 | init_completion(&online_compl); | |
fedd3b7b JS |
667 | rc = lpfc_workq_post_event(phba, &status, &online_compl, type); |
668 | if (rc == 0) | |
669 | return -ENOMEM; | |
670 | ||
40496f07 JS |
671 | wait_for_completion(&online_compl); |
672 | ||
673 | if (status != 0) | |
674 | return -EIO; | |
675 | ||
46fa311e JS |
676 | return 0; |
677 | } | |
678 | ||
e59058c4 | 679 | /** |
3621a710 | 680 | * lpfc_selective_reset - Offline then onlines the port |
e59058c4 JS |
681 | * @phba: lpfc_hba pointer. |
682 | * | |
683 | * Description: | |
684 | * If the port is configured to allow a reset then the hba is brought | |
685 | * offline then online. | |
686 | * | |
687 | * Notes: | |
688 | * Assumes any error from lpfc_do_offline() will be negative. | |
ab56dc2e | 689 | * Do not make this function static. |
e59058c4 JS |
690 | * |
691 | * Returns: | |
692 | * lpfc_do_offline() return code if not zero | |
693 | * -EIO reset not configured or error posting the event | |
694 | * zero for success | |
695 | **/ | |
7f86059a | 696 | int |
46fa311e JS |
697 | lpfc_selective_reset(struct lpfc_hba *phba) |
698 | { | |
699 | struct completion online_compl; | |
700 | int status = 0; | |
fedd3b7b | 701 | int rc; |
46fa311e | 702 | |
13815c83 | 703 | if (!phba->cfg_enable_hba_reset) |
f7a919b4 | 704 | return -EACCES; |
13815c83 | 705 | |
46fa311e JS |
706 | status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); |
707 | ||
708 | if (status != 0) | |
709 | return status; | |
710 | ||
40496f07 | 711 | init_completion(&online_compl); |
fedd3b7b | 712 | rc = lpfc_workq_post_event(phba, &status, &online_compl, |
40496f07 | 713 | LPFC_EVT_ONLINE); |
fedd3b7b JS |
714 | if (rc == 0) |
715 | return -ENOMEM; | |
716 | ||
40496f07 JS |
717 | wait_for_completion(&online_compl); |
718 | ||
719 | if (status != 0) | |
720 | return -EIO; | |
721 | ||
722 | return 0; | |
723 | } | |
724 | ||
e59058c4 | 725 | /** |
3621a710 | 726 | * lpfc_issue_reset - Selectively resets an adapter |
e59058c4 JS |
727 | * @dev: class device that is converted into a Scsi_host. |
728 | * @attr: device attribute, not used. | |
729 | * @buf: containing the string "selective". | |
730 | * @count: unused variable. | |
731 | * | |
732 | * Description: | |
733 | * If the buf contains the string "selective" then lpfc_selective_reset() | |
734 | * is called to perform the reset. | |
735 | * | |
736 | * Notes: | |
737 | * Assumes any error from lpfc_selective_reset() will be negative. | |
738 | * If lpfc_selective_reset() returns zero then the length of the buffer | |
af901ca1 | 739 | * is returned which indicates success |
e59058c4 JS |
740 | * |
741 | * Returns: | |
742 | * -EINVAL if the buffer does not contain the string "selective" | |
743 | * length of buf if lpfc-selective_reset() if the call succeeds | |
744 | * return value of lpfc_selective_reset() if the call fails | |
745 | **/ | |
40496f07 | 746 | static ssize_t |
ee959b00 TJ |
747 | lpfc_issue_reset(struct device *dev, struct device_attribute *attr, |
748 | const char *buf, size_t count) | |
40496f07 | 749 | { |
ee959b00 | 750 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
751 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
752 | struct lpfc_hba *phba = vport->phba; | |
40496f07 JS |
753 | int status = -EINVAL; |
754 | ||
73d91e50 JS |
755 | if (!phba->cfg_enable_hba_reset) |
756 | return -EACCES; | |
757 | ||
40496f07 | 758 | if (strncmp(buf, "selective", sizeof("selective") - 1) == 0) |
7f86059a | 759 | status = phba->lpfc_selective_reset(phba); |
40496f07 JS |
760 | |
761 | if (status == 0) | |
762 | return strlen(buf); | |
763 | else | |
764 | return status; | |
765 | } | |
766 | ||
88a2cfbb JS |
767 | /** |
768 | * lpfc_sli4_pdev_status_reg_wait - Wait for pdev status register for readyness | |
769 | * @phba: lpfc_hba pointer. | |
770 | * | |
771 | * Description: | |
772 | * SLI4 interface type-2 device to wait on the sliport status register for | |
773 | * the readyness after performing a firmware reset. | |
774 | * | |
775 | * Returns: | |
776 | * zero for success | |
777 | **/ | |
73d91e50 | 778 | int |
88a2cfbb JS |
779 | lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *phba) |
780 | { | |
f7a919b4 | 781 | struct lpfc_register portstat_reg = {0}; |
88a2cfbb JS |
782 | int i; |
783 | ||
f7a919b4 | 784 | msleep(100); |
88a2cfbb JS |
785 | lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr, |
786 | &portstat_reg.word0); | |
787 | ||
f7a919b4 JS |
788 | /* verify if privilaged for the request operation */ |
789 | if (!bf_get(lpfc_sliport_status_rn, &portstat_reg) && | |
790 | !bf_get(lpfc_sliport_status_err, &portstat_reg)) | |
791 | return -EPERM; | |
792 | ||
88a2cfbb JS |
793 | /* wait for the SLI port firmware ready after firmware reset */ |
794 | for (i = 0; i < LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT; i++) { | |
795 | msleep(10); | |
796 | lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr, | |
797 | &portstat_reg.word0); | |
798 | if (!bf_get(lpfc_sliport_status_err, &portstat_reg)) | |
799 | continue; | |
800 | if (!bf_get(lpfc_sliport_status_rn, &portstat_reg)) | |
801 | continue; | |
802 | if (!bf_get(lpfc_sliport_status_rdy, &portstat_reg)) | |
803 | continue; | |
804 | break; | |
805 | } | |
806 | ||
807 | if (i < LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT) | |
808 | return 0; | |
809 | else | |
810 | return -EIO; | |
811 | } | |
812 | ||
c0c11512 | 813 | /** |
52d52440 | 814 | * lpfc_sli4_pdev_reg_request - Request physical dev to perform a register acc |
c0c11512 JS |
815 | * @phba: lpfc_hba pointer. |
816 | * | |
817 | * Description: | |
52d52440 JS |
818 | * Request SLI4 interface type-2 device to perform a physical register set |
819 | * access. | |
c0c11512 JS |
820 | * |
821 | * Returns: | |
822 | * zero for success | |
823 | **/ | |
824 | static ssize_t | |
52d52440 | 825 | lpfc_sli4_pdev_reg_request(struct lpfc_hba *phba, uint32_t opcode) |
c0c11512 JS |
826 | { |
827 | struct completion online_compl; | |
b76f2dc9 | 828 | struct pci_dev *pdev = phba->pcidev; |
c0c11512 JS |
829 | uint32_t reg_val; |
830 | int status = 0; | |
831 | int rc; | |
832 | ||
833 | if (!phba->cfg_enable_hba_reset) | |
f7a919b4 | 834 | return -EACCES; |
c0c11512 | 835 | |
52d52440 JS |
836 | if ((phba->sli_rev < LPFC_SLI_REV4) || |
837 | (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) != | |
838 | LPFC_SLI_INTF_IF_TYPE_2)) | |
839 | return -EPERM; | |
840 | ||
b76f2dc9 JS |
841 | /* Disable SR-IOV virtual functions if enabled */ |
842 | if (phba->cfg_sriov_nr_virtfn) { | |
843 | pci_disable_sriov(pdev); | |
844 | phba->cfg_sriov_nr_virtfn = 0; | |
845 | } | |
c0c11512 JS |
846 | status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); |
847 | ||
848 | if (status != 0) | |
849 | return status; | |
850 | ||
851 | /* wait for the device to be quiesced before firmware reset */ | |
852 | msleep(100); | |
853 | ||
854 | reg_val = readl(phba->sli4_hba.conf_regs_memmap_p + | |
855 | LPFC_CTL_PDEV_CTL_OFFSET); | |
52d52440 JS |
856 | |
857 | if (opcode == LPFC_FW_DUMP) | |
858 | reg_val |= LPFC_FW_DUMP_REQUEST; | |
859 | else if (opcode == LPFC_FW_RESET) | |
860 | reg_val |= LPFC_CTL_PDEV_CTL_FRST; | |
861 | else if (opcode == LPFC_DV_RESET) | |
862 | reg_val |= LPFC_CTL_PDEV_CTL_DRST; | |
863 | ||
c0c11512 JS |
864 | writel(reg_val, phba->sli4_hba.conf_regs_memmap_p + |
865 | LPFC_CTL_PDEV_CTL_OFFSET); | |
866 | /* flush */ | |
867 | readl(phba->sli4_hba.conf_regs_memmap_p + LPFC_CTL_PDEV_CTL_OFFSET); | |
868 | ||
869 | /* delay driver action following IF_TYPE_2 reset */ | |
88a2cfbb JS |
870 | rc = lpfc_sli4_pdev_status_reg_wait(phba); |
871 | ||
872 | if (rc) | |
f7a919b4 | 873 | return rc; |
c0c11512 JS |
874 | |
875 | init_completion(&online_compl); | |
876 | rc = lpfc_workq_post_event(phba, &status, &online_compl, | |
877 | LPFC_EVT_ONLINE); | |
878 | if (rc == 0) | |
879 | return -ENOMEM; | |
880 | ||
881 | wait_for_completion(&online_compl); | |
882 | ||
883 | if (status != 0) | |
884 | return -EIO; | |
885 | ||
886 | return 0; | |
887 | } | |
888 | ||
e59058c4 | 889 | /** |
3621a710 | 890 | * lpfc_nport_evt_cnt_show - Return the number of nport events |
e59058c4 JS |
891 | * @dev: class device that is converted into a Scsi_host. |
892 | * @attr: device attribute, not used. | |
893 | * @buf: on return contains the ascii number of nport events. | |
894 | * | |
895 | * Returns: size of formatted string. | |
896 | **/ | |
dea3101e | 897 | static ssize_t |
ee959b00 TJ |
898 | lpfc_nport_evt_cnt_show(struct device *dev, struct device_attribute *attr, |
899 | char *buf) | |
dea3101e | 900 | { |
ee959b00 | 901 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
902 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
903 | struct lpfc_hba *phba = vport->phba; | |
904 | ||
dea3101e | 905 | return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt); |
906 | } | |
907 | ||
e59058c4 | 908 | /** |
3621a710 | 909 | * lpfc_board_mode_show - Return the state of the board |
e59058c4 JS |
910 | * @dev: class device that is converted into a Scsi_host. |
911 | * @attr: device attribute, not used. | |
912 | * @buf: on return contains the state of the adapter. | |
913 | * | |
914 | * Returns: size of formatted string. | |
915 | **/ | |
41415862 | 916 | static ssize_t |
ee959b00 TJ |
917 | lpfc_board_mode_show(struct device *dev, struct device_attribute *attr, |
918 | char *buf) | |
41415862 | 919 | { |
ee959b00 | 920 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
921 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
922 | struct lpfc_hba *phba = vport->phba; | |
41415862 JW |
923 | char * state; |
924 | ||
2e0fef85 | 925 | if (phba->link_state == LPFC_HBA_ERROR) |
41415862 | 926 | state = "error"; |
2e0fef85 | 927 | else if (phba->link_state == LPFC_WARM_START) |
41415862 | 928 | state = "warm start"; |
2e0fef85 | 929 | else if (phba->link_state == LPFC_INIT_START) |
41415862 JW |
930 | state = "offline"; |
931 | else | |
932 | state = "online"; | |
933 | ||
934 | return snprintf(buf, PAGE_SIZE, "%s\n", state); | |
935 | } | |
936 | ||
e59058c4 | 937 | /** |
3621a710 | 938 | * lpfc_board_mode_store - Puts the hba in online, offline, warm or error state |
e59058c4 JS |
939 | * @dev: class device that is converted into a Scsi_host. |
940 | * @attr: device attribute, not used. | |
941 | * @buf: containing one of the strings "online", "offline", "warm" or "error". | |
942 | * @count: unused variable. | |
943 | * | |
944 | * Returns: | |
945 | * -EACCES if enable hba reset not enabled | |
946 | * -EINVAL if the buffer does not contain a valid string (see above) | |
947 | * -EIO if lpfc_workq_post_event() or lpfc_do_offline() fails | |
948 | * buf length greater than zero indicates success | |
949 | **/ | |
41415862 | 950 | static ssize_t |
ee959b00 TJ |
951 | lpfc_board_mode_store(struct device *dev, struct device_attribute *attr, |
952 | const char *buf, size_t count) | |
41415862 | 953 | { |
ee959b00 | 954 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
955 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
956 | struct lpfc_hba *phba = vport->phba; | |
41415862 JW |
957 | struct completion online_compl; |
958 | int status=0; | |
fedd3b7b | 959 | int rc; |
41415862 | 960 | |
13815c83 JS |
961 | if (!phba->cfg_enable_hba_reset) |
962 | return -EACCES; | |
88a2cfbb JS |
963 | |
964 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
965 | "3050 lpfc_board_mode set to %s\n", buf); | |
966 | ||
41415862 JW |
967 | init_completion(&online_compl); |
968 | ||
46fa311e | 969 | if(strncmp(buf, "online", sizeof("online") - 1) == 0) { |
fedd3b7b | 970 | rc = lpfc_workq_post_event(phba, &status, &online_compl, |
41415862 | 971 | LPFC_EVT_ONLINE); |
fedd3b7b JS |
972 | if (rc == 0) |
973 | return -ENOMEM; | |
46fa311e JS |
974 | wait_for_completion(&online_compl); |
975 | } else if (strncmp(buf, "offline", sizeof("offline") - 1) == 0) | |
976 | status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); | |
41415862 | 977 | else if (strncmp(buf, "warm", sizeof("warm") - 1) == 0) |
6a9c52cf JS |
978 | if (phba->sli_rev == LPFC_SLI_REV4) |
979 | return -EINVAL; | |
980 | else | |
981 | status = lpfc_do_offline(phba, LPFC_EVT_WARM_START); | |
46fa311e | 982 | else if (strncmp(buf, "error", sizeof("error") - 1) == 0) |
6a9c52cf JS |
983 | if (phba->sli_rev == LPFC_SLI_REV4) |
984 | return -EINVAL; | |
985 | else | |
986 | status = lpfc_do_offline(phba, LPFC_EVT_KILL); | |
c0c11512 | 987 | else if (strncmp(buf, "dump", sizeof("dump") - 1) == 0) |
52d52440 JS |
988 | status = lpfc_sli4_pdev_reg_request(phba, LPFC_FW_DUMP); |
989 | else if (strncmp(buf, "fw_reset", sizeof("fw_reset") - 1) == 0) | |
990 | status = lpfc_sli4_pdev_reg_request(phba, LPFC_FW_RESET); | |
991 | else if (strncmp(buf, "dv_reset", sizeof("dv_reset") - 1) == 0) | |
992 | status = lpfc_sli4_pdev_reg_request(phba, LPFC_DV_RESET); | |
41415862 JW |
993 | else |
994 | return -EINVAL; | |
995 | ||
41415862 JW |
996 | if (!status) |
997 | return strlen(buf); | |
998 | else | |
f7a919b4 | 999 | return status; |
41415862 JW |
1000 | } |
1001 | ||
e59058c4 | 1002 | /** |
3621a710 | 1003 | * lpfc_get_hba_info - Return various bits of informaton about the adapter |
e59058c4 | 1004 | * @phba: pointer to the adapter structure. |
3621a710 JS |
1005 | * @mxri: max xri count. |
1006 | * @axri: available xri count. | |
1007 | * @mrpi: max rpi count. | |
1008 | * @arpi: available rpi count. | |
1009 | * @mvpi: max vpi count. | |
1010 | * @avpi: available vpi count. | |
e59058c4 JS |
1011 | * |
1012 | * Description: | |
1013 | * If an integer pointer for an count is not null then the value for the | |
1014 | * count is returned. | |
1015 | * | |
1016 | * Returns: | |
1017 | * zero on error | |
1018 | * one for success | |
1019 | **/ | |
311464ec | 1020 | static int |
858c9f6c JS |
1021 | lpfc_get_hba_info(struct lpfc_hba *phba, |
1022 | uint32_t *mxri, uint32_t *axri, | |
1023 | uint32_t *mrpi, uint32_t *arpi, | |
1024 | uint32_t *mvpi, uint32_t *avpi) | |
92d7f7b0 | 1025 | { |
04c68496 | 1026 | struct lpfc_mbx_read_config *rd_config; |
92d7f7b0 JS |
1027 | LPFC_MBOXQ_t *pmboxq; |
1028 | MAILBOX_t *pmb; | |
1029 | int rc = 0; | |
15672319 | 1030 | uint32_t max_vpi; |
92d7f7b0 JS |
1031 | |
1032 | /* | |
1033 | * prevent udev from issuing mailbox commands until the port is | |
1034 | * configured. | |
1035 | */ | |
1036 | if (phba->link_state < LPFC_LINK_DOWN || | |
1037 | !phba->mbox_mem_pool || | |
f4b4c68f | 1038 | (phba->sli.sli_flag & LPFC_SLI_ACTIVE) == 0) |
92d7f7b0 JS |
1039 | return 0; |
1040 | ||
1041 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) | |
1042 | return 0; | |
1043 | ||
1044 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
1045 | if (!pmboxq) | |
1046 | return 0; | |
1047 | memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); | |
1048 | ||
04c68496 | 1049 | pmb = &pmboxq->u.mb; |
92d7f7b0 JS |
1050 | pmb->mbxCommand = MBX_READ_CONFIG; |
1051 | pmb->mbxOwner = OWN_HOST; | |
1052 | pmboxq->context1 = NULL; | |
1053 | ||
75baf696 | 1054 | if (phba->pport->fc_flag & FC_OFFLINE_MODE) |
92d7f7b0 JS |
1055 | rc = MBX_NOT_FINISHED; |
1056 | else | |
1057 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); | |
1058 | ||
1059 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 1060 | if (rc != MBX_TIMEOUT) |
92d7f7b0 JS |
1061 | mempool_free(pmboxq, phba->mbox_mem_pool); |
1062 | return 0; | |
1063 | } | |
1064 | ||
da0436e9 JS |
1065 | if (phba->sli_rev == LPFC_SLI_REV4) { |
1066 | rd_config = &pmboxq->u.mqe.un.rd_config; | |
1067 | if (mrpi) | |
1068 | *mrpi = bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config); | |
1069 | if (arpi) | |
1070 | *arpi = bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config) - | |
1071 | phba->sli4_hba.max_cfg_param.rpi_used; | |
1072 | if (mxri) | |
1073 | *mxri = bf_get(lpfc_mbx_rd_conf_xri_count, rd_config); | |
1074 | if (axri) | |
1075 | *axri = bf_get(lpfc_mbx_rd_conf_xri_count, rd_config) - | |
1076 | phba->sli4_hba.max_cfg_param.xri_used; | |
15672319 JS |
1077 | |
1078 | /* Account for differences with SLI-3. Get vpi count from | |
1079 | * mailbox data and subtract one for max vpi value. | |
1080 | */ | |
1081 | max_vpi = (bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) > 0) ? | |
1082 | (bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) - 1) : 0; | |
1083 | ||
da0436e9 | 1084 | if (mvpi) |
15672319 | 1085 | *mvpi = max_vpi; |
da0436e9 | 1086 | if (avpi) |
15672319 | 1087 | *avpi = max_vpi - phba->sli4_hba.max_cfg_param.vpi_used; |
da0436e9 JS |
1088 | } else { |
1089 | if (mrpi) | |
1090 | *mrpi = pmb->un.varRdConfig.max_rpi; | |
1091 | if (arpi) | |
1092 | *arpi = pmb->un.varRdConfig.avail_rpi; | |
1093 | if (mxri) | |
1094 | *mxri = pmb->un.varRdConfig.max_xri; | |
1095 | if (axri) | |
1096 | *axri = pmb->un.varRdConfig.avail_xri; | |
1097 | if (mvpi) | |
1098 | *mvpi = pmb->un.varRdConfig.max_vpi; | |
1099 | if (avpi) | |
1100 | *avpi = pmb->un.varRdConfig.avail_vpi; | |
1101 | } | |
92d7f7b0 JS |
1102 | |
1103 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
1104 | return 1; | |
1105 | } | |
1106 | ||
e59058c4 | 1107 | /** |
3621a710 | 1108 | * lpfc_max_rpi_show - Return maximum rpi |
e59058c4 JS |
1109 | * @dev: class device that is converted into a Scsi_host. |
1110 | * @attr: device attribute, not used. | |
1111 | * @buf: on return contains the maximum rpi count in decimal or "Unknown". | |
1112 | * | |
1113 | * Description: | |
1114 | * Calls lpfc_get_hba_info() asking for just the mrpi count. | |
1115 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
1116 | * to "Unknown" and the buffer length is returned, therefore the caller | |
1117 | * must check for "Unknown" in the buffer to detect a failure. | |
1118 | * | |
1119 | * Returns: size of formatted string. | |
1120 | **/ | |
92d7f7b0 | 1121 | static ssize_t |
ee959b00 TJ |
1122 | lpfc_max_rpi_show(struct device *dev, struct device_attribute *attr, |
1123 | char *buf) | |
92d7f7b0 | 1124 | { |
ee959b00 | 1125 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
1126 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1127 | struct lpfc_hba *phba = vport->phba; | |
1128 | uint32_t cnt; | |
1129 | ||
858c9f6c | 1130 | if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, NULL, NULL, NULL)) |
92d7f7b0 JS |
1131 | return snprintf(buf, PAGE_SIZE, "%d\n", cnt); |
1132 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1133 | } | |
1134 | ||
e59058c4 | 1135 | /** |
3621a710 | 1136 | * lpfc_used_rpi_show - Return maximum rpi minus available rpi |
e59058c4 JS |
1137 | * @dev: class device that is converted into a Scsi_host. |
1138 | * @attr: device attribute, not used. | |
1139 | * @buf: containing the used rpi count in decimal or "Unknown". | |
1140 | * | |
1141 | * Description: | |
1142 | * Calls lpfc_get_hba_info() asking for just the mrpi and arpi counts. | |
1143 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
1144 | * to "Unknown" and the buffer length is returned, therefore the caller | |
1145 | * must check for "Unknown" in the buffer to detect a failure. | |
1146 | * | |
1147 | * Returns: size of formatted string. | |
1148 | **/ | |
92d7f7b0 | 1149 | static ssize_t |
ee959b00 TJ |
1150 | lpfc_used_rpi_show(struct device *dev, struct device_attribute *attr, |
1151 | char *buf) | |
92d7f7b0 | 1152 | { |
ee959b00 | 1153 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
1154 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1155 | struct lpfc_hba *phba = vport->phba; | |
1156 | uint32_t cnt, acnt; | |
1157 | ||
858c9f6c | 1158 | if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, &acnt, NULL, NULL)) |
92d7f7b0 JS |
1159 | return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt)); |
1160 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1161 | } | |
1162 | ||
e59058c4 | 1163 | /** |
3621a710 | 1164 | * lpfc_max_xri_show - Return maximum xri |
e59058c4 JS |
1165 | * @dev: class device that is converted into a Scsi_host. |
1166 | * @attr: device attribute, not used. | |
1167 | * @buf: on return contains the maximum xri count in decimal or "Unknown". | |
1168 | * | |
1169 | * Description: | |
1170 | * Calls lpfc_get_hba_info() asking for just the mrpi count. | |
1171 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
1172 | * to "Unknown" and the buffer length is returned, therefore the caller | |
1173 | * must check for "Unknown" in the buffer to detect a failure. | |
1174 | * | |
1175 | * Returns: size of formatted string. | |
1176 | **/ | |
92d7f7b0 | 1177 | static ssize_t |
ee959b00 TJ |
1178 | lpfc_max_xri_show(struct device *dev, struct device_attribute *attr, |
1179 | char *buf) | |
92d7f7b0 | 1180 | { |
ee959b00 | 1181 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
1182 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1183 | struct lpfc_hba *phba = vport->phba; | |
1184 | uint32_t cnt; | |
1185 | ||
858c9f6c | 1186 | if (lpfc_get_hba_info(phba, &cnt, NULL, NULL, NULL, NULL, NULL)) |
92d7f7b0 JS |
1187 | return snprintf(buf, PAGE_SIZE, "%d\n", cnt); |
1188 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1189 | } | |
1190 | ||
e59058c4 | 1191 | /** |
3621a710 | 1192 | * lpfc_used_xri_show - Return maximum xpi minus the available xpi |
e59058c4 JS |
1193 | * @dev: class device that is converted into a Scsi_host. |
1194 | * @attr: device attribute, not used. | |
1195 | * @buf: on return contains the used xri count in decimal or "Unknown". | |
1196 | * | |
1197 | * Description: | |
1198 | * Calls lpfc_get_hba_info() asking for just the mxri and axri counts. | |
1199 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
1200 | * to "Unknown" and the buffer length is returned, therefore the caller | |
1201 | * must check for "Unknown" in the buffer to detect a failure. | |
1202 | * | |
1203 | * Returns: size of formatted string. | |
1204 | **/ | |
92d7f7b0 | 1205 | static ssize_t |
ee959b00 TJ |
1206 | lpfc_used_xri_show(struct device *dev, struct device_attribute *attr, |
1207 | char *buf) | |
92d7f7b0 | 1208 | { |
ee959b00 | 1209 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
1210 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1211 | struct lpfc_hba *phba = vport->phba; | |
1212 | uint32_t cnt, acnt; | |
1213 | ||
858c9f6c JS |
1214 | if (lpfc_get_hba_info(phba, &cnt, &acnt, NULL, NULL, NULL, NULL)) |
1215 | return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt)); | |
1216 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1217 | } | |
1218 | ||
e59058c4 | 1219 | /** |
3621a710 | 1220 | * lpfc_max_vpi_show - Return maximum vpi |
e59058c4 JS |
1221 | * @dev: class device that is converted into a Scsi_host. |
1222 | * @attr: device attribute, not used. | |
1223 | * @buf: on return contains the maximum vpi count in decimal or "Unknown". | |
1224 | * | |
1225 | * Description: | |
1226 | * Calls lpfc_get_hba_info() asking for just the mvpi count. | |
1227 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
1228 | * to "Unknown" and the buffer length is returned, therefore the caller | |
1229 | * must check for "Unknown" in the buffer to detect a failure. | |
1230 | * | |
1231 | * Returns: size of formatted string. | |
1232 | **/ | |
858c9f6c | 1233 | static ssize_t |
ee959b00 TJ |
1234 | lpfc_max_vpi_show(struct device *dev, struct device_attribute *attr, |
1235 | char *buf) | |
858c9f6c | 1236 | { |
ee959b00 | 1237 | struct Scsi_Host *shost = class_to_shost(dev); |
858c9f6c JS |
1238 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1239 | struct lpfc_hba *phba = vport->phba; | |
1240 | uint32_t cnt; | |
1241 | ||
1242 | if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, NULL)) | |
1243 | return snprintf(buf, PAGE_SIZE, "%d\n", cnt); | |
1244 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1245 | } | |
1246 | ||
e59058c4 | 1247 | /** |
3621a710 | 1248 | * lpfc_used_vpi_show - Return maximum vpi minus the available vpi |
e59058c4 JS |
1249 | * @dev: class device that is converted into a Scsi_host. |
1250 | * @attr: device attribute, not used. | |
1251 | * @buf: on return contains the used vpi count in decimal or "Unknown". | |
1252 | * | |
1253 | * Description: | |
1254 | * Calls lpfc_get_hba_info() asking for just the mvpi and avpi counts. | |
1255 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
1256 | * to "Unknown" and the buffer length is returned, therefore the caller | |
1257 | * must check for "Unknown" in the buffer to detect a failure. | |
1258 | * | |
1259 | * Returns: size of formatted string. | |
1260 | **/ | |
858c9f6c | 1261 | static ssize_t |
ee959b00 TJ |
1262 | lpfc_used_vpi_show(struct device *dev, struct device_attribute *attr, |
1263 | char *buf) | |
858c9f6c | 1264 | { |
ee959b00 | 1265 | struct Scsi_Host *shost = class_to_shost(dev); |
858c9f6c JS |
1266 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1267 | struct lpfc_hba *phba = vport->phba; | |
1268 | uint32_t cnt, acnt; | |
1269 | ||
1270 | if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, &acnt)) | |
92d7f7b0 JS |
1271 | return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt)); |
1272 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1273 | } | |
1274 | ||
e59058c4 | 1275 | /** |
3621a710 | 1276 | * lpfc_npiv_info_show - Return text about NPIV support for the adapter |
e59058c4 JS |
1277 | * @dev: class device that is converted into a Scsi_host. |
1278 | * @attr: device attribute, not used. | |
1279 | * @buf: text that must be interpreted to determine if npiv is supported. | |
1280 | * | |
1281 | * Description: | |
1282 | * Buffer will contain text indicating npiv is not suppoerted on the port, | |
1283 | * the port is an NPIV physical port, or it is an npiv virtual port with | |
1284 | * the id of the vport. | |
1285 | * | |
1286 | * Returns: size of formatted string. | |
1287 | **/ | |
92d7f7b0 | 1288 | static ssize_t |
ee959b00 TJ |
1289 | lpfc_npiv_info_show(struct device *dev, struct device_attribute *attr, |
1290 | char *buf) | |
92d7f7b0 | 1291 | { |
ee959b00 | 1292 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
1293 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1294 | struct lpfc_hba *phba = vport->phba; | |
1295 | ||
1296 | if (!(phba->max_vpi)) | |
1297 | return snprintf(buf, PAGE_SIZE, "NPIV Not Supported\n"); | |
1298 | if (vport->port_type == LPFC_PHYSICAL_PORT) | |
1299 | return snprintf(buf, PAGE_SIZE, "NPIV Physical\n"); | |
1300 | return snprintf(buf, PAGE_SIZE, "NPIV Virtual (VPI %d)\n", vport->vpi); | |
1301 | } | |
1302 | ||
e59058c4 | 1303 | /** |
3621a710 | 1304 | * lpfc_poll_show - Return text about poll support for the adapter |
e59058c4 JS |
1305 | * @dev: class device that is converted into a Scsi_host. |
1306 | * @attr: device attribute, not used. | |
1307 | * @buf: on return contains the cfg_poll in hex. | |
1308 | * | |
1309 | * Notes: | |
1310 | * cfg_poll should be a lpfc_polling_flags type. | |
1311 | * | |
1312 | * Returns: size of formatted string. | |
1313 | **/ | |
875fbdfe | 1314 | static ssize_t |
ee959b00 TJ |
1315 | lpfc_poll_show(struct device *dev, struct device_attribute *attr, |
1316 | char *buf) | |
875fbdfe | 1317 | { |
ee959b00 | 1318 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1319 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1320 | struct lpfc_hba *phba = vport->phba; | |
875fbdfe JSEC |
1321 | |
1322 | return snprintf(buf, PAGE_SIZE, "%#x\n", phba->cfg_poll); | |
1323 | } | |
1324 | ||
e59058c4 | 1325 | /** |
3621a710 | 1326 | * lpfc_poll_store - Set the value of cfg_poll for the adapter |
e59058c4 JS |
1327 | * @dev: class device that is converted into a Scsi_host. |
1328 | * @attr: device attribute, not used. | |
1329 | * @buf: one or more lpfc_polling_flags values. | |
1330 | * @count: not used. | |
1331 | * | |
1332 | * Notes: | |
1333 | * buf contents converted to integer and checked for a valid value. | |
1334 | * | |
1335 | * Returns: | |
1336 | * -EINVAL if the buffer connot be converted or is out of range | |
1337 | * length of the buf on success | |
1338 | **/ | |
875fbdfe | 1339 | static ssize_t |
ee959b00 TJ |
1340 | lpfc_poll_store(struct device *dev, struct device_attribute *attr, |
1341 | const char *buf, size_t count) | |
875fbdfe | 1342 | { |
ee959b00 | 1343 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1344 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1345 | struct lpfc_hba *phba = vport->phba; | |
875fbdfe JSEC |
1346 | uint32_t creg_val; |
1347 | uint32_t old_val; | |
1348 | int val=0; | |
1349 | ||
1350 | if (!isdigit(buf[0])) | |
1351 | return -EINVAL; | |
1352 | ||
1353 | if (sscanf(buf, "%i", &val) != 1) | |
1354 | return -EINVAL; | |
1355 | ||
1356 | if ((val & 0x3) != val) | |
1357 | return -EINVAL; | |
1358 | ||
45ed1190 JS |
1359 | if (phba->sli_rev == LPFC_SLI_REV4) |
1360 | val = 0; | |
1361 | ||
88a2cfbb JS |
1362 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
1363 | "3051 lpfc_poll changed from %d to %d\n", | |
1364 | phba->cfg_poll, val); | |
1365 | ||
2e0fef85 | 1366 | spin_lock_irq(&phba->hbalock); |
875fbdfe JSEC |
1367 | |
1368 | old_val = phba->cfg_poll; | |
1369 | ||
1370 | if (val & ENABLE_FCP_RING_POLLING) { | |
1371 | if ((val & DISABLE_FCP_RING_INT) && | |
1372 | !(old_val & DISABLE_FCP_RING_INT)) { | |
9940b97b JS |
1373 | if (lpfc_readl(phba->HCregaddr, &creg_val)) { |
1374 | spin_unlock_irq(&phba->hbalock); | |
1375 | return -EINVAL; | |
1376 | } | |
875fbdfe JSEC |
1377 | creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING); |
1378 | writel(creg_val, phba->HCregaddr); | |
1379 | readl(phba->HCregaddr); /* flush */ | |
1380 | ||
1381 | lpfc_poll_start_timer(phba); | |
1382 | } | |
1383 | } else if (val != 0x0) { | |
2e0fef85 | 1384 | spin_unlock_irq(&phba->hbalock); |
875fbdfe JSEC |
1385 | return -EINVAL; |
1386 | } | |
1387 | ||
1388 | if (!(val & DISABLE_FCP_RING_INT) && | |
1389 | (old_val & DISABLE_FCP_RING_INT)) | |
1390 | { | |
2e0fef85 | 1391 | spin_unlock_irq(&phba->hbalock); |
875fbdfe | 1392 | del_timer(&phba->fcp_poll_timer); |
2e0fef85 | 1393 | spin_lock_irq(&phba->hbalock); |
9940b97b JS |
1394 | if (lpfc_readl(phba->HCregaddr, &creg_val)) { |
1395 | spin_unlock_irq(&phba->hbalock); | |
1396 | return -EINVAL; | |
1397 | } | |
875fbdfe JSEC |
1398 | creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING); |
1399 | writel(creg_val, phba->HCregaddr); | |
1400 | readl(phba->HCregaddr); /* flush */ | |
1401 | } | |
1402 | ||
1403 | phba->cfg_poll = val; | |
1404 | ||
2e0fef85 | 1405 | spin_unlock_irq(&phba->hbalock); |
875fbdfe JSEC |
1406 | |
1407 | return strlen(buf); | |
1408 | } | |
dea3101e | 1409 | |
bc73905a JS |
1410 | /** |
1411 | * lpfc_fips_level_show - Return the current FIPS level for the HBA | |
1412 | * @dev: class unused variable. | |
1413 | * @attr: device attribute, not used. | |
1414 | * @buf: on return contains the module description text. | |
1415 | * | |
1416 | * Returns: size of formatted string. | |
1417 | **/ | |
1418 | static ssize_t | |
1419 | lpfc_fips_level_show(struct device *dev, struct device_attribute *attr, | |
1420 | char *buf) | |
1421 | { | |
1422 | struct Scsi_Host *shost = class_to_shost(dev); | |
1423 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
1424 | struct lpfc_hba *phba = vport->phba; | |
1425 | ||
1426 | return snprintf(buf, PAGE_SIZE, "%d\n", phba->fips_level); | |
1427 | } | |
1428 | ||
1429 | /** | |
1430 | * lpfc_fips_rev_show - Return the FIPS Spec revision for the HBA | |
1431 | * @dev: class unused variable. | |
1432 | * @attr: device attribute, not used. | |
1433 | * @buf: on return contains the module description text. | |
1434 | * | |
1435 | * Returns: size of formatted string. | |
1436 | **/ | |
1437 | static ssize_t | |
1438 | lpfc_fips_rev_show(struct device *dev, struct device_attribute *attr, | |
1439 | char *buf) | |
1440 | { | |
1441 | struct Scsi_Host *shost = class_to_shost(dev); | |
1442 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
1443 | struct lpfc_hba *phba = vport->phba; | |
1444 | ||
1445 | return snprintf(buf, PAGE_SIZE, "%d\n", phba->fips_spec_rev); | |
1446 | } | |
1447 | ||
ab56dc2e JS |
1448 | /** |
1449 | * lpfc_dss_show - Return the current state of dss and the configured state | |
1450 | * @dev: class converted to a Scsi_host structure. | |
1451 | * @attr: device attribute, not used. | |
1452 | * @buf: on return contains the formatted text. | |
1453 | * | |
1454 | * Returns: size of formatted string. | |
1455 | **/ | |
1456 | static ssize_t | |
1457 | lpfc_dss_show(struct device *dev, struct device_attribute *attr, | |
1458 | char *buf) | |
1459 | { | |
1460 | struct Scsi_Host *shost = class_to_shost(dev); | |
1461 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
1462 | struct lpfc_hba *phba = vport->phba; | |
1463 | ||
1464 | return snprintf(buf, PAGE_SIZE, "%s - %sOperational\n", | |
1465 | (phba->cfg_enable_dss) ? "Enabled" : "Disabled", | |
1466 | (phba->sli3_options & LPFC_SLI3_DSS_ENABLED) ? | |
1467 | "" : "Not "); | |
1468 | } | |
1469 | ||
912e3acd JS |
1470 | /** |
1471 | * lpfc_sriov_hw_max_virtfn_show - Return maximum number of virtual functions | |
1472 | * @dev: class converted to a Scsi_host structure. | |
1473 | * @attr: device attribute, not used. | |
1474 | * @buf: on return contains the formatted support level. | |
1475 | * | |
1476 | * Description: | |
1477 | * Returns the maximum number of virtual functions a physical function can | |
1478 | * support, 0 will be returned if called on virtual function. | |
1479 | * | |
1480 | * Returns: size of formatted string. | |
1481 | **/ | |
1482 | static ssize_t | |
1483 | lpfc_sriov_hw_max_virtfn_show(struct device *dev, | |
1484 | struct device_attribute *attr, | |
1485 | char *buf) | |
1486 | { | |
1487 | struct Scsi_Host *shost = class_to_shost(dev); | |
1488 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
1489 | struct lpfc_hba *phba = vport->phba; | |
0a96e975 | 1490 | uint16_t max_nr_virtfn; |
912e3acd | 1491 | |
0a96e975 JS |
1492 | max_nr_virtfn = lpfc_sli_sriov_nr_virtfn_get(phba); |
1493 | return snprintf(buf, PAGE_SIZE, "%d\n", max_nr_virtfn); | |
912e3acd JS |
1494 | } |
1495 | ||
e59058c4 | 1496 | /** |
3621a710 | 1497 | * lpfc_param_show - Return a cfg attribute value in decimal |
e59058c4 JS |
1498 | * |
1499 | * Description: | |
1500 | * Macro that given an attr e.g. hba_queue_depth expands | |
1501 | * into a function with the name lpfc_hba_queue_depth_show. | |
1502 | * | |
1503 | * lpfc_##attr##_show: Return the decimal value of an adapters cfg_xxx field. | |
1504 | * @dev: class device that is converted into a Scsi_host. | |
1505 | * @attr: device attribute, not used. | |
1506 | * @buf: on return contains the attribute value in decimal. | |
1507 | * | |
1508 | * Returns: size of formatted string. | |
1509 | **/ | |
dea3101e | 1510 | #define lpfc_param_show(attr) \ |
1511 | static ssize_t \ | |
ee959b00 TJ |
1512 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
1513 | char *buf) \ | |
dea3101e | 1514 | { \ |
ee959b00 | 1515 | struct Scsi_Host *shost = class_to_shost(dev);\ |
2e0fef85 JS |
1516 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
1517 | struct lpfc_hba *phba = vport->phba;\ | |
84d1b006 | 1518 | uint val = 0;\ |
7bcbb752 JSEC |
1519 | val = phba->cfg_##attr;\ |
1520 | return snprintf(buf, PAGE_SIZE, "%d\n",\ | |
1521 | phba->cfg_##attr);\ | |
1522 | } | |
1523 | ||
e59058c4 | 1524 | /** |
3621a710 | 1525 | * lpfc_param_hex_show - Return a cfg attribute value in hex |
e59058c4 JS |
1526 | * |
1527 | * Description: | |
1528 | * Macro that given an attr e.g. hba_queue_depth expands | |
1529 | * into a function with the name lpfc_hba_queue_depth_show | |
1530 | * | |
1531 | * lpfc_##attr##_show: Return the hex value of an adapters cfg_xxx field. | |
1532 | * @dev: class device that is converted into a Scsi_host. | |
1533 | * @attr: device attribute, not used. | |
3621a710 | 1534 | * @buf: on return contains the attribute value in hexadecimal. |
e59058c4 JS |
1535 | * |
1536 | * Returns: size of formatted string. | |
1537 | **/ | |
93a20f74 JSEC |
1538 | #define lpfc_param_hex_show(attr) \ |
1539 | static ssize_t \ | |
ee959b00 TJ |
1540 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
1541 | char *buf) \ | |
93a20f74 | 1542 | { \ |
ee959b00 | 1543 | struct Scsi_Host *shost = class_to_shost(dev);\ |
2e0fef85 JS |
1544 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
1545 | struct lpfc_hba *phba = vport->phba;\ | |
84d1b006 | 1546 | uint val = 0;\ |
93a20f74 JSEC |
1547 | val = phba->cfg_##attr;\ |
1548 | return snprintf(buf, PAGE_SIZE, "%#x\n",\ | |
1549 | phba->cfg_##attr);\ | |
1550 | } | |
1551 | ||
e59058c4 | 1552 | /** |
b595076a | 1553 | * lpfc_param_init - Initializes a cfg attribute |
e59058c4 JS |
1554 | * |
1555 | * Description: | |
1556 | * Macro that given an attr e.g. hba_queue_depth expands | |
1557 | * into a function with the name lpfc_hba_queue_depth_init. The macro also | |
1558 | * takes a default argument, a minimum and maximum argument. | |
1559 | * | |
1560 | * lpfc_##attr##_init: Initializes an attribute. | |
1561 | * @phba: pointer the the adapter structure. | |
1562 | * @val: integer attribute value. | |
1563 | * | |
1564 | * Validates the min and max values then sets the adapter config field | |
1565 | * accordingly, or uses the default if out of range and prints an error message. | |
1566 | * | |
1567 | * Returns: | |
1568 | * zero on success | |
1569 | * -EINVAL if default used | |
1570 | **/ | |
7bcbb752 JSEC |
1571 | #define lpfc_param_init(attr, default, minval, maxval) \ |
1572 | static int \ | |
84d1b006 | 1573 | lpfc_##attr##_init(struct lpfc_hba *phba, uint val) \ |
7bcbb752 JSEC |
1574 | { \ |
1575 | if (val >= minval && val <= maxval) {\ | |
1576 | phba->cfg_##attr = val;\ | |
1577 | return 0;\ | |
dea3101e | 1578 | }\ |
7bcbb752 | 1579 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \ |
e8b62011 JS |
1580 | "0449 lpfc_"#attr" attribute cannot be set to %d, "\ |
1581 | "allowed range is ["#minval", "#maxval"]\n", val); \ | |
7bcbb752 JSEC |
1582 | phba->cfg_##attr = default;\ |
1583 | return -EINVAL;\ | |
dea3101e | 1584 | } |
1585 | ||
e59058c4 | 1586 | /** |
3621a710 | 1587 | * lpfc_param_set - Set a cfg attribute value |
e59058c4 JS |
1588 | * |
1589 | * Description: | |
1590 | * Macro that given an attr e.g. hba_queue_depth expands | |
1591 | * into a function with the name lpfc_hba_queue_depth_set | |
1592 | * | |
1593 | * lpfc_##attr##_set: Sets an attribute value. | |
1594 | * @phba: pointer the the adapter structure. | |
1595 | * @val: integer attribute value. | |
1596 | * | |
1597 | * Description: | |
1598 | * Validates the min and max values then sets the | |
1599 | * adapter config field if in the valid range. prints error message | |
1600 | * and does not set the parameter if invalid. | |
1601 | * | |
1602 | * Returns: | |
1603 | * zero on success | |
1604 | * -EINVAL if val is invalid | |
1605 | **/ | |
7bcbb752 JSEC |
1606 | #define lpfc_param_set(attr, default, minval, maxval) \ |
1607 | static int \ | |
84d1b006 | 1608 | lpfc_##attr##_set(struct lpfc_hba *phba, uint val) \ |
7bcbb752 JSEC |
1609 | { \ |
1610 | if (val >= minval && val <= maxval) {\ | |
88a2cfbb JS |
1611 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \ |
1612 | "3052 lpfc_" #attr " changed from %d to %d\n", \ | |
1613 | phba->cfg_##attr, val); \ | |
7bcbb752 JSEC |
1614 | phba->cfg_##attr = val;\ |
1615 | return 0;\ | |
1616 | }\ | |
1617 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \ | |
e8b62011 JS |
1618 | "0450 lpfc_"#attr" attribute cannot be set to %d, "\ |
1619 | "allowed range is ["#minval", "#maxval"]\n", val); \ | |
7bcbb752 JSEC |
1620 | return -EINVAL;\ |
1621 | } | |
1622 | ||
e59058c4 | 1623 | /** |
3621a710 | 1624 | * lpfc_param_store - Set a vport attribute value |
e59058c4 JS |
1625 | * |
1626 | * Description: | |
1627 | * Macro that given an attr e.g. hba_queue_depth expands | |
1628 | * into a function with the name lpfc_hba_queue_depth_store. | |
1629 | * | |
1630 | * lpfc_##attr##_store: Set an sttribute value. | |
1631 | * @dev: class device that is converted into a Scsi_host. | |
1632 | * @attr: device attribute, not used. | |
1633 | * @buf: contains the attribute value in ascii. | |
1634 | * @count: not used. | |
1635 | * | |
1636 | * Description: | |
1637 | * Convert the ascii text number to an integer, then | |
1638 | * use the lpfc_##attr##_set function to set the value. | |
1639 | * | |
1640 | * Returns: | |
1641 | * -EINVAL if val is invalid or lpfc_##attr##_set() fails | |
1642 | * length of buffer upon success. | |
1643 | **/ | |
7bcbb752 | 1644 | #define lpfc_param_store(attr) \ |
dea3101e | 1645 | static ssize_t \ |
ee959b00 TJ |
1646 | lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \ |
1647 | const char *buf, size_t count) \ | |
dea3101e | 1648 | { \ |
ee959b00 | 1649 | struct Scsi_Host *shost = class_to_shost(dev);\ |
2e0fef85 JS |
1650 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
1651 | struct lpfc_hba *phba = vport->phba;\ | |
84d1b006 | 1652 | uint val = 0;\ |
93a20f74 JSEC |
1653 | if (!isdigit(buf[0]))\ |
1654 | return -EINVAL;\ | |
1655 | if (sscanf(buf, "%i", &val) != 1)\ | |
1656 | return -EINVAL;\ | |
7bcbb752 | 1657 | if (lpfc_##attr##_set(phba, val) == 0) \ |
755c0d06 | 1658 | return strlen(buf);\ |
7bcbb752 JSEC |
1659 | else \ |
1660 | return -EINVAL;\ | |
dea3101e | 1661 | } |
1662 | ||
e59058c4 | 1663 | /** |
3621a710 | 1664 | * lpfc_vport_param_show - Return decimal formatted cfg attribute value |
e59058c4 JS |
1665 | * |
1666 | * Description: | |
1667 | * Macro that given an attr e.g. hba_queue_depth expands | |
1668 | * into a function with the name lpfc_hba_queue_depth_show | |
1669 | * | |
1670 | * lpfc_##attr##_show: prints the attribute value in decimal. | |
1671 | * @dev: class device that is converted into a Scsi_host. | |
1672 | * @attr: device attribute, not used. | |
1673 | * @buf: on return contains the attribute value in decimal. | |
1674 | * | |
1675 | * Returns: length of formatted string. | |
1676 | **/ | |
3de2a653 JS |
1677 | #define lpfc_vport_param_show(attr) \ |
1678 | static ssize_t \ | |
ee959b00 TJ |
1679 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
1680 | char *buf) \ | |
3de2a653 | 1681 | { \ |
ee959b00 | 1682 | struct Scsi_Host *shost = class_to_shost(dev);\ |
3de2a653 | 1683 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
84d1b006 | 1684 | uint val = 0;\ |
3de2a653 JS |
1685 | val = vport->cfg_##attr;\ |
1686 | return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_##attr);\ | |
1687 | } | |
1688 | ||
e59058c4 | 1689 | /** |
3621a710 | 1690 | * lpfc_vport_param_hex_show - Return hex formatted attribute value |
e59058c4 JS |
1691 | * |
1692 | * Description: | |
1693 | * Macro that given an attr e.g. | |
1694 | * hba_queue_depth expands into a function with the name | |
1695 | * lpfc_hba_queue_depth_show | |
1696 | * | |
3621a710 | 1697 | * lpfc_##attr##_show: prints the attribute value in hexadecimal. |
e59058c4 JS |
1698 | * @dev: class device that is converted into a Scsi_host. |
1699 | * @attr: device attribute, not used. | |
3621a710 | 1700 | * @buf: on return contains the attribute value in hexadecimal. |
e59058c4 JS |
1701 | * |
1702 | * Returns: length of formatted string. | |
1703 | **/ | |
3de2a653 JS |
1704 | #define lpfc_vport_param_hex_show(attr) \ |
1705 | static ssize_t \ | |
ee959b00 TJ |
1706 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
1707 | char *buf) \ | |
3de2a653 | 1708 | { \ |
ee959b00 | 1709 | struct Scsi_Host *shost = class_to_shost(dev);\ |
3de2a653 | 1710 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
84d1b006 | 1711 | uint val = 0;\ |
3de2a653 JS |
1712 | val = vport->cfg_##attr;\ |
1713 | return snprintf(buf, PAGE_SIZE, "%#x\n", vport->cfg_##attr);\ | |
1714 | } | |
1715 | ||
e59058c4 | 1716 | /** |
3621a710 | 1717 | * lpfc_vport_param_init - Initialize a vport cfg attribute |
e59058c4 JS |
1718 | * |
1719 | * Description: | |
1720 | * Macro that given an attr e.g. hba_queue_depth expands | |
1721 | * into a function with the name lpfc_hba_queue_depth_init. The macro also | |
1722 | * takes a default argument, a minimum and maximum argument. | |
1723 | * | |
1724 | * lpfc_##attr##_init: validates the min and max values then sets the | |
1725 | * adapter config field accordingly, or uses the default if out of range | |
1726 | * and prints an error message. | |
1727 | * @phba: pointer the the adapter structure. | |
1728 | * @val: integer attribute value. | |
1729 | * | |
1730 | * Returns: | |
1731 | * zero on success | |
1732 | * -EINVAL if default used | |
1733 | **/ | |
3de2a653 JS |
1734 | #define lpfc_vport_param_init(attr, default, minval, maxval) \ |
1735 | static int \ | |
84d1b006 | 1736 | lpfc_##attr##_init(struct lpfc_vport *vport, uint val) \ |
3de2a653 JS |
1737 | { \ |
1738 | if (val >= minval && val <= maxval) {\ | |
1739 | vport->cfg_##attr = val;\ | |
1740 | return 0;\ | |
1741 | }\ | |
e8b62011 | 1742 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \ |
d7c255b2 | 1743 | "0423 lpfc_"#attr" attribute cannot be set to %d, "\ |
e8b62011 | 1744 | "allowed range is ["#minval", "#maxval"]\n", val); \ |
3de2a653 JS |
1745 | vport->cfg_##attr = default;\ |
1746 | return -EINVAL;\ | |
1747 | } | |
1748 | ||
e59058c4 | 1749 | /** |
3621a710 | 1750 | * lpfc_vport_param_set - Set a vport cfg attribute |
e59058c4 JS |
1751 | * |
1752 | * Description: | |
1753 | * Macro that given an attr e.g. hba_queue_depth expands | |
1754 | * into a function with the name lpfc_hba_queue_depth_set | |
1755 | * | |
1756 | * lpfc_##attr##_set: validates the min and max values then sets the | |
1757 | * adapter config field if in the valid range. prints error message | |
1758 | * and does not set the parameter if invalid. | |
1759 | * @phba: pointer the the adapter structure. | |
1760 | * @val: integer attribute value. | |
1761 | * | |
1762 | * Returns: | |
1763 | * zero on success | |
1764 | * -EINVAL if val is invalid | |
1765 | **/ | |
3de2a653 JS |
1766 | #define lpfc_vport_param_set(attr, default, minval, maxval) \ |
1767 | static int \ | |
84d1b006 | 1768 | lpfc_##attr##_set(struct lpfc_vport *vport, uint val) \ |
3de2a653 JS |
1769 | { \ |
1770 | if (val >= minval && val <= maxval) {\ | |
88a2cfbb JS |
1771 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \ |
1772 | "3053 lpfc_" #attr " changed from %d to %d\n", \ | |
1773 | vport->cfg_##attr, val); \ | |
3de2a653 JS |
1774 | vport->cfg_##attr = val;\ |
1775 | return 0;\ | |
1776 | }\ | |
e8b62011 | 1777 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \ |
d7c255b2 | 1778 | "0424 lpfc_"#attr" attribute cannot be set to %d, "\ |
e8b62011 | 1779 | "allowed range is ["#minval", "#maxval"]\n", val); \ |
3de2a653 JS |
1780 | return -EINVAL;\ |
1781 | } | |
1782 | ||
e59058c4 | 1783 | /** |
3621a710 | 1784 | * lpfc_vport_param_store - Set a vport attribute |
e59058c4 JS |
1785 | * |
1786 | * Description: | |
1787 | * Macro that given an attr e.g. hba_queue_depth | |
1788 | * expands into a function with the name lpfc_hba_queue_depth_store | |
1789 | * | |
1790 | * lpfc_##attr##_store: convert the ascii text number to an integer, then | |
1791 | * use the lpfc_##attr##_set function to set the value. | |
1792 | * @cdev: class device that is converted into a Scsi_host. | |
1793 | * @buf: contains the attribute value in decimal. | |
1794 | * @count: not used. | |
1795 | * | |
1796 | * Returns: | |
1797 | * -EINVAL if val is invalid or lpfc_##attr##_set() fails | |
1798 | * length of buffer upon success. | |
1799 | **/ | |
3de2a653 JS |
1800 | #define lpfc_vport_param_store(attr) \ |
1801 | static ssize_t \ | |
ee959b00 TJ |
1802 | lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \ |
1803 | const char *buf, size_t count) \ | |
3de2a653 | 1804 | { \ |
ee959b00 | 1805 | struct Scsi_Host *shost = class_to_shost(dev);\ |
3de2a653 | 1806 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
84d1b006 | 1807 | uint val = 0;\ |
3de2a653 JS |
1808 | if (!isdigit(buf[0]))\ |
1809 | return -EINVAL;\ | |
1810 | if (sscanf(buf, "%i", &val) != 1)\ | |
1811 | return -EINVAL;\ | |
1812 | if (lpfc_##attr##_set(vport, val) == 0) \ | |
1813 | return strlen(buf);\ | |
1814 | else \ | |
1815 | return -EINVAL;\ | |
1816 | } | |
1817 | ||
1818 | ||
7bcbb752 | 1819 | #define LPFC_ATTR(name, defval, minval, maxval, desc) \ |
84d1b006 | 1820 | static uint lpfc_##name = defval;\ |
ab56dc2e | 1821 | module_param(lpfc_##name, uint, S_IRUGO);\ |
dea3101e | 1822 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
7bcbb752 | 1823 | lpfc_param_init(name, defval, minval, maxval) |
dea3101e | 1824 | |
1825 | #define LPFC_ATTR_R(name, defval, minval, maxval, desc) \ | |
84d1b006 | 1826 | static uint lpfc_##name = defval;\ |
ab56dc2e | 1827 | module_param(lpfc_##name, uint, S_IRUGO);\ |
dea3101e | 1828 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1829 | lpfc_param_show(name)\ | |
7bcbb752 | 1830 | lpfc_param_init(name, defval, minval, maxval)\ |
ee959b00 | 1831 | static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
dea3101e | 1832 | |
1833 | #define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \ | |
84d1b006 | 1834 | static uint lpfc_##name = defval;\ |
ab56dc2e | 1835 | module_param(lpfc_##name, uint, S_IRUGO);\ |
dea3101e | 1836 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1837 | lpfc_param_show(name)\ | |
7bcbb752 JSEC |
1838 | lpfc_param_init(name, defval, minval, maxval)\ |
1839 | lpfc_param_set(name, defval, minval, maxval)\ | |
1840 | lpfc_param_store(name)\ | |
ee959b00 TJ |
1841 | static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
1842 | lpfc_##name##_show, lpfc_##name##_store) | |
dea3101e | 1843 | |
93a20f74 | 1844 | #define LPFC_ATTR_HEX_R(name, defval, minval, maxval, desc) \ |
84d1b006 | 1845 | static uint lpfc_##name = defval;\ |
ab56dc2e | 1846 | module_param(lpfc_##name, uint, S_IRUGO);\ |
93a20f74 JSEC |
1847 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1848 | lpfc_param_hex_show(name)\ | |
1849 | lpfc_param_init(name, defval, minval, maxval)\ | |
ee959b00 | 1850 | static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
93a20f74 JSEC |
1851 | |
1852 | #define LPFC_ATTR_HEX_RW(name, defval, minval, maxval, desc) \ | |
84d1b006 | 1853 | static uint lpfc_##name = defval;\ |
ab56dc2e | 1854 | module_param(lpfc_##name, uint, S_IRUGO);\ |
93a20f74 JSEC |
1855 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1856 | lpfc_param_hex_show(name)\ | |
1857 | lpfc_param_init(name, defval, minval, maxval)\ | |
1858 | lpfc_param_set(name, defval, minval, maxval)\ | |
1859 | lpfc_param_store(name)\ | |
ee959b00 TJ |
1860 | static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
1861 | lpfc_##name##_show, lpfc_##name##_store) | |
93a20f74 | 1862 | |
3de2a653 | 1863 | #define LPFC_VPORT_ATTR(name, defval, minval, maxval, desc) \ |
84d1b006 | 1864 | static uint lpfc_##name = defval;\ |
ab56dc2e | 1865 | module_param(lpfc_##name, uint, S_IRUGO);\ |
3de2a653 JS |
1866 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1867 | lpfc_vport_param_init(name, defval, minval, maxval) | |
1868 | ||
1869 | #define LPFC_VPORT_ATTR_R(name, defval, minval, maxval, desc) \ | |
84d1b006 | 1870 | static uint lpfc_##name = defval;\ |
ab56dc2e | 1871 | module_param(lpfc_##name, uint, S_IRUGO);\ |
3de2a653 JS |
1872 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1873 | lpfc_vport_param_show(name)\ | |
1874 | lpfc_vport_param_init(name, defval, minval, maxval)\ | |
ee959b00 | 1875 | static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
3de2a653 JS |
1876 | |
1877 | #define LPFC_VPORT_ATTR_RW(name, defval, minval, maxval, desc) \ | |
84d1b006 | 1878 | static uint lpfc_##name = defval;\ |
ab56dc2e | 1879 | module_param(lpfc_##name, uint, S_IRUGO);\ |
3de2a653 JS |
1880 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1881 | lpfc_vport_param_show(name)\ | |
1882 | lpfc_vport_param_init(name, defval, minval, maxval)\ | |
1883 | lpfc_vport_param_set(name, defval, minval, maxval)\ | |
1884 | lpfc_vport_param_store(name)\ | |
ee959b00 TJ |
1885 | static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
1886 | lpfc_##name##_show, lpfc_##name##_store) | |
3de2a653 JS |
1887 | |
1888 | #define LPFC_VPORT_ATTR_HEX_R(name, defval, minval, maxval, desc) \ | |
84d1b006 | 1889 | static uint lpfc_##name = defval;\ |
ab56dc2e | 1890 | module_param(lpfc_##name, uint, S_IRUGO);\ |
3de2a653 JS |
1891 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1892 | lpfc_vport_param_hex_show(name)\ | |
1893 | lpfc_vport_param_init(name, defval, minval, maxval)\ | |
ee959b00 | 1894 | static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
3de2a653 JS |
1895 | |
1896 | #define LPFC_VPORT_ATTR_HEX_RW(name, defval, minval, maxval, desc) \ | |
84d1b006 | 1897 | static uint lpfc_##name = defval;\ |
ab56dc2e | 1898 | module_param(lpfc_##name, uint, S_IRUGO);\ |
3de2a653 JS |
1899 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1900 | lpfc_vport_param_hex_show(name)\ | |
1901 | lpfc_vport_param_init(name, defval, minval, maxval)\ | |
1902 | lpfc_vport_param_set(name, defval, minval, maxval)\ | |
1903 | lpfc_vport_param_store(name)\ | |
ee959b00 TJ |
1904 | static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
1905 | lpfc_##name##_show, lpfc_##name##_store) | |
1906 | ||
81301a9b JS |
1907 | static DEVICE_ATTR(bg_info, S_IRUGO, lpfc_bg_info_show, NULL); |
1908 | static DEVICE_ATTR(bg_guard_err, S_IRUGO, lpfc_bg_guard_err_show, NULL); | |
1909 | static DEVICE_ATTR(bg_apptag_err, S_IRUGO, lpfc_bg_apptag_err_show, NULL); | |
1910 | static DEVICE_ATTR(bg_reftag_err, S_IRUGO, lpfc_bg_reftag_err_show, NULL); | |
ee959b00 TJ |
1911 | static DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL); |
1912 | static DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL); | |
1913 | static DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL); | |
1914 | static DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL); | |
1915 | static DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL); | |
1916 | static DEVICE_ATTR(portnum, S_IRUGO, lpfc_vportnum_show, NULL); | |
1917 | static DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL); | |
1918 | static DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL); | |
84d1b006 JS |
1919 | static DEVICE_ATTR(link_state, S_IRUGO | S_IWUSR, lpfc_link_state_show, |
1920 | lpfc_link_state_store); | |
ee959b00 TJ |
1921 | static DEVICE_ATTR(option_rom_version, S_IRUGO, |
1922 | lpfc_option_rom_version_show, NULL); | |
1923 | static DEVICE_ATTR(num_discovered_ports, S_IRUGO, | |
1924 | lpfc_num_discovered_ports_show, NULL); | |
84774a4d | 1925 | static DEVICE_ATTR(menlo_mgmt_mode, S_IRUGO, lpfc_mlomgmt_show, NULL); |
ee959b00 TJ |
1926 | static DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL); |
1927 | static DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show, NULL); | |
45ed1190 | 1928 | static DEVICE_ATTR(lpfc_enable_fip, S_IRUGO, lpfc_enable_fip_show, NULL); |
ee959b00 TJ |
1929 | static DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR, |
1930 | lpfc_board_mode_show, lpfc_board_mode_store); | |
1931 | static DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset); | |
1932 | static DEVICE_ATTR(max_vpi, S_IRUGO, lpfc_max_vpi_show, NULL); | |
1933 | static DEVICE_ATTR(used_vpi, S_IRUGO, lpfc_used_vpi_show, NULL); | |
1934 | static DEVICE_ATTR(max_rpi, S_IRUGO, lpfc_max_rpi_show, NULL); | |
1935 | static DEVICE_ATTR(used_rpi, S_IRUGO, lpfc_used_rpi_show, NULL); | |
1936 | static DEVICE_ATTR(max_xri, S_IRUGO, lpfc_max_xri_show, NULL); | |
1937 | static DEVICE_ATTR(used_xri, S_IRUGO, lpfc_used_xri_show, NULL); | |
1938 | static DEVICE_ATTR(npiv_info, S_IRUGO, lpfc_npiv_info_show, NULL); | |
1939 | static DEVICE_ATTR(lpfc_temp_sensor, S_IRUGO, lpfc_temp_sensor_show, NULL); | |
bc73905a JS |
1940 | static DEVICE_ATTR(lpfc_fips_level, S_IRUGO, lpfc_fips_level_show, NULL); |
1941 | static DEVICE_ATTR(lpfc_fips_rev, S_IRUGO, lpfc_fips_rev_show, NULL); | |
ab56dc2e | 1942 | static DEVICE_ATTR(lpfc_dss, S_IRUGO, lpfc_dss_show, NULL); |
912e3acd JS |
1943 | static DEVICE_ATTR(lpfc_sriov_hw_max_virtfn, S_IRUGO, |
1944 | lpfc_sriov_hw_max_virtfn_show, NULL); | |
c3f28afa | 1945 | |
a12e07bc | 1946 | static char *lpfc_soft_wwn_key = "C99G71SL8032A"; |
c3f28afa | 1947 | |
e59058c4 | 1948 | /** |
3621a710 | 1949 | * lpfc_soft_wwn_enable_store - Allows setting of the wwn if the key is valid |
e59058c4 JS |
1950 | * @dev: class device that is converted into a Scsi_host. |
1951 | * @attr: device attribute, not used. | |
1952 | * @buf: containing the string lpfc_soft_wwn_key. | |
1953 | * @count: must be size of lpfc_soft_wwn_key. | |
1954 | * | |
1955 | * Returns: | |
1956 | * -EINVAL if the buffer does not contain lpfc_soft_wwn_key | |
1957 | * length of buf indicates success | |
1958 | **/ | |
c3f28afa | 1959 | static ssize_t |
ee959b00 TJ |
1960 | lpfc_soft_wwn_enable_store(struct device *dev, struct device_attribute *attr, |
1961 | const char *buf, size_t count) | |
c3f28afa | 1962 | { |
ee959b00 | 1963 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1964 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1965 | struct lpfc_hba *phba = vport->phba; | |
c3f28afa JS |
1966 | unsigned int cnt = count; |
1967 | ||
1968 | /* | |
1969 | * We're doing a simple sanity check for soft_wwpn setting. | |
1970 | * We require that the user write a specific key to enable | |
1971 | * the soft_wwpn attribute to be settable. Once the attribute | |
1972 | * is written, the enable key resets. If further updates are | |
1973 | * desired, the key must be written again to re-enable the | |
1974 | * attribute. | |
1975 | * | |
1976 | * The "key" is not secret - it is a hardcoded string shown | |
1977 | * here. The intent is to protect against the random user or | |
1978 | * application that is just writing attributes. | |
1979 | */ | |
1980 | ||
1981 | /* count may include a LF at end of string */ | |
1982 | if (buf[cnt-1] == '\n') | |
1983 | cnt--; | |
1984 | ||
a12e07bc JS |
1985 | if ((cnt != strlen(lpfc_soft_wwn_key)) || |
1986 | (strncmp(buf, lpfc_soft_wwn_key, strlen(lpfc_soft_wwn_key)) != 0)) | |
c3f28afa JS |
1987 | return -EINVAL; |
1988 | ||
a12e07bc | 1989 | phba->soft_wwn_enable = 1; |
c3f28afa JS |
1990 | return count; |
1991 | } | |
ee959b00 TJ |
1992 | static DEVICE_ATTR(lpfc_soft_wwn_enable, S_IWUSR, NULL, |
1993 | lpfc_soft_wwn_enable_store); | |
c3f28afa | 1994 | |
e59058c4 | 1995 | /** |
3621a710 | 1996 | * lpfc_soft_wwpn_show - Return the cfg soft ww port name of the adapter |
e59058c4 JS |
1997 | * @dev: class device that is converted into a Scsi_host. |
1998 | * @attr: device attribute, not used. | |
3621a710 | 1999 | * @buf: on return contains the wwpn in hexadecimal. |
e59058c4 JS |
2000 | * |
2001 | * Returns: size of formatted string. | |
2002 | **/ | |
c3f28afa | 2003 | static ssize_t |
ee959b00 TJ |
2004 | lpfc_soft_wwpn_show(struct device *dev, struct device_attribute *attr, |
2005 | char *buf) | |
c3f28afa | 2006 | { |
ee959b00 | 2007 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
2008 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
2009 | struct lpfc_hba *phba = vport->phba; | |
2010 | ||
afc071e6 RD |
2011 | return snprintf(buf, PAGE_SIZE, "0x%llx\n", |
2012 | (unsigned long long)phba->cfg_soft_wwpn); | |
c3f28afa JS |
2013 | } |
2014 | ||
e59058c4 | 2015 | /** |
3621a710 | 2016 | * lpfc_soft_wwpn_store - Set the ww port name of the adapter |
e59058c4 JS |
2017 | * @dev class device that is converted into a Scsi_host. |
2018 | * @attr: device attribute, not used. | |
3621a710 | 2019 | * @buf: contains the wwpn in hexadecimal. |
e59058c4 JS |
2020 | * @count: number of wwpn bytes in buf |
2021 | * | |
2022 | * Returns: | |
2023 | * -EACCES hba reset not enabled, adapter over temp | |
2024 | * -EINVAL soft wwn not enabled, count is invalid, invalid wwpn byte invalid | |
2025 | * -EIO error taking adapter offline or online | |
2026 | * value of count on success | |
2027 | **/ | |
c3f28afa | 2028 | static ssize_t |
ee959b00 TJ |
2029 | lpfc_soft_wwpn_store(struct device *dev, struct device_attribute *attr, |
2030 | const char *buf, size_t count) | |
c3f28afa | 2031 | { |
ee959b00 | 2032 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
2033 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
2034 | struct lpfc_hba *phba = vport->phba; | |
c3f28afa JS |
2035 | struct completion online_compl; |
2036 | int stat1=0, stat2=0; | |
2037 | unsigned int i, j, cnt=count; | |
2038 | u8 wwpn[8]; | |
fedd3b7b | 2039 | int rc; |
c3f28afa | 2040 | |
13815c83 JS |
2041 | if (!phba->cfg_enable_hba_reset) |
2042 | return -EACCES; | |
7af67051 JS |
2043 | spin_lock_irq(&phba->hbalock); |
2044 | if (phba->over_temp_state == HBA_OVER_TEMP) { | |
2045 | spin_unlock_irq(&phba->hbalock); | |
09372820 | 2046 | return -EACCES; |
7af67051 JS |
2047 | } |
2048 | spin_unlock_irq(&phba->hbalock); | |
c3f28afa JS |
2049 | /* count may include a LF at end of string */ |
2050 | if (buf[cnt-1] == '\n') | |
2051 | cnt--; | |
2052 | ||
a12e07bc | 2053 | if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) || |
c3f28afa JS |
2054 | ((cnt == 17) && (*buf++ != 'x')) || |
2055 | ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x')))) | |
2056 | return -EINVAL; | |
2057 | ||
a12e07bc | 2058 | phba->soft_wwn_enable = 0; |
c3f28afa JS |
2059 | |
2060 | memset(wwpn, 0, sizeof(wwpn)); | |
2061 | ||
2062 | /* Validate and store the new name */ | |
2063 | for (i=0, j=0; i < 16; i++) { | |
ecc30990 AS |
2064 | int value; |
2065 | ||
2066 | value = hex_to_bin(*buf++); | |
2067 | if (value >= 0) | |
2068 | j = (j << 4) | value; | |
c3f28afa JS |
2069 | else |
2070 | return -EINVAL; | |
2071 | if (i % 2) { | |
2072 | wwpn[i/2] = j & 0xff; | |
2073 | j = 0; | |
2074 | } | |
2075 | } | |
2076 | phba->cfg_soft_wwpn = wwn_to_u64(wwpn); | |
2e0fef85 | 2077 | fc_host_port_name(shost) = phba->cfg_soft_wwpn; |
a12e07bc | 2078 | if (phba->cfg_soft_wwnn) |
2e0fef85 | 2079 | fc_host_node_name(shost) = phba->cfg_soft_wwnn; |
c3f28afa JS |
2080 | |
2081 | dev_printk(KERN_NOTICE, &phba->pcidev->dev, | |
2082 | "lpfc%d: Reinitializing to use soft_wwpn\n", phba->brd_no); | |
2083 | ||
46fa311e | 2084 | stat1 = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); |
c3f28afa JS |
2085 | if (stat1) |
2086 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
e8b62011 JS |
2087 | "0463 lpfc_soft_wwpn attribute set failed to " |
2088 | "reinit adapter - %d\n", stat1); | |
c3f28afa | 2089 | init_completion(&online_compl); |
fedd3b7b JS |
2090 | rc = lpfc_workq_post_event(phba, &stat2, &online_compl, |
2091 | LPFC_EVT_ONLINE); | |
2092 | if (rc == 0) | |
2093 | return -ENOMEM; | |
2094 | ||
c3f28afa JS |
2095 | wait_for_completion(&online_compl); |
2096 | if (stat2) | |
2097 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
e8b62011 JS |
2098 | "0464 lpfc_soft_wwpn attribute set failed to " |
2099 | "reinit adapter - %d\n", stat2); | |
c3f28afa JS |
2100 | return (stat1 || stat2) ? -EIO : count; |
2101 | } | |
ee959b00 TJ |
2102 | static DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR,\ |
2103 | lpfc_soft_wwpn_show, lpfc_soft_wwpn_store); | |
c3f28afa | 2104 | |
e59058c4 | 2105 | /** |
3621a710 | 2106 | * lpfc_soft_wwnn_show - Return the cfg soft ww node name for the adapter |
e59058c4 JS |
2107 | * @dev: class device that is converted into a Scsi_host. |
2108 | * @attr: device attribute, not used. | |
3621a710 | 2109 | * @buf: on return contains the wwnn in hexadecimal. |
e59058c4 JS |
2110 | * |
2111 | * Returns: size of formatted string. | |
2112 | **/ | |
a12e07bc | 2113 | static ssize_t |
ee959b00 TJ |
2114 | lpfc_soft_wwnn_show(struct device *dev, struct device_attribute *attr, |
2115 | char *buf) | |
a12e07bc | 2116 | { |
ee959b00 | 2117 | struct Scsi_Host *shost = class_to_shost(dev); |
51ef4c26 | 2118 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; |
a12e07bc JS |
2119 | return snprintf(buf, PAGE_SIZE, "0x%llx\n", |
2120 | (unsigned long long)phba->cfg_soft_wwnn); | |
2121 | } | |
2122 | ||
e59058c4 | 2123 | /** |
3621a710 | 2124 | * lpfc_soft_wwnn_store - sets the ww node name of the adapter |
e59058c4 | 2125 | * @cdev: class device that is converted into a Scsi_host. |
3621a710 | 2126 | * @buf: contains the ww node name in hexadecimal. |
e59058c4 JS |
2127 | * @count: number of wwnn bytes in buf. |
2128 | * | |
2129 | * Returns: | |
2130 | * -EINVAL soft wwn not enabled, count is invalid, invalid wwnn byte invalid | |
2131 | * value of count on success | |
2132 | **/ | |
a12e07bc | 2133 | static ssize_t |
ee959b00 TJ |
2134 | lpfc_soft_wwnn_store(struct device *dev, struct device_attribute *attr, |
2135 | const char *buf, size_t count) | |
a12e07bc | 2136 | { |
ee959b00 | 2137 | struct Scsi_Host *shost = class_to_shost(dev); |
51ef4c26 | 2138 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; |
a12e07bc JS |
2139 | unsigned int i, j, cnt=count; |
2140 | u8 wwnn[8]; | |
2141 | ||
2142 | /* count may include a LF at end of string */ | |
2143 | if (buf[cnt-1] == '\n') | |
2144 | cnt--; | |
2145 | ||
2146 | if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) || | |
2147 | ((cnt == 17) && (*buf++ != 'x')) || | |
2148 | ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x')))) | |
2149 | return -EINVAL; | |
2150 | ||
2151 | /* | |
2152 | * Allow wwnn to be set many times, as long as the enable is set. | |
2153 | * However, once the wwpn is set, everything locks. | |
2154 | */ | |
2155 | ||
2156 | memset(wwnn, 0, sizeof(wwnn)); | |
2157 | ||
2158 | /* Validate and store the new name */ | |
2159 | for (i=0, j=0; i < 16; i++) { | |
ecc30990 AS |
2160 | int value; |
2161 | ||
2162 | value = hex_to_bin(*buf++); | |
2163 | if (value >= 0) | |
2164 | j = (j << 4) | value; | |
a12e07bc JS |
2165 | else |
2166 | return -EINVAL; | |
2167 | if (i % 2) { | |
2168 | wwnn[i/2] = j & 0xff; | |
2169 | j = 0; | |
2170 | } | |
2171 | } | |
2172 | phba->cfg_soft_wwnn = wwn_to_u64(wwnn); | |
2173 | ||
2174 | dev_printk(KERN_NOTICE, &phba->pcidev->dev, | |
2175 | "lpfc%d: soft_wwnn set. Value will take effect upon " | |
2176 | "setting of the soft_wwpn\n", phba->brd_no); | |
2177 | ||
2178 | return count; | |
2179 | } | |
ee959b00 TJ |
2180 | static DEVICE_ATTR(lpfc_soft_wwnn, S_IRUGO | S_IWUSR,\ |
2181 | lpfc_soft_wwnn_show, lpfc_soft_wwnn_store); | |
a12e07bc | 2182 | |
c3f28afa | 2183 | |
875fbdfe | 2184 | static int lpfc_poll = 0; |
ab56dc2e | 2185 | module_param(lpfc_poll, int, S_IRUGO); |
875fbdfe JSEC |
2186 | MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:" |
2187 | " 0 - none," | |
2188 | " 1 - poll with interrupts enabled" | |
2189 | " 3 - poll and disable FCP ring interrupts"); | |
2190 | ||
ee959b00 TJ |
2191 | static DEVICE_ATTR(lpfc_poll, S_IRUGO | S_IWUSR, |
2192 | lpfc_poll_show, lpfc_poll_store); | |
dea3101e | 2193 | |
92d7f7b0 | 2194 | int lpfc_sli_mode = 0; |
ab56dc2e | 2195 | module_param(lpfc_sli_mode, int, S_IRUGO); |
92d7f7b0 JS |
2196 | MODULE_PARM_DESC(lpfc_sli_mode, "SLI mode selector:" |
2197 | " 0 - auto (SLI-3 if supported)," | |
2198 | " 2 - select SLI-2 even on SLI-3 capable HBAs," | |
2199 | " 3 - select SLI-3"); | |
2200 | ||
15672319 | 2201 | int lpfc_enable_npiv = 1; |
ab56dc2e | 2202 | module_param(lpfc_enable_npiv, int, S_IRUGO); |
7ee5d43e JS |
2203 | MODULE_PARM_DESC(lpfc_enable_npiv, "Enable NPIV functionality"); |
2204 | lpfc_param_show(enable_npiv); | |
4b40c59e | 2205 | lpfc_param_init(enable_npiv, 1, 0, 1); |
15672319 | 2206 | static DEVICE_ATTR(lpfc_enable_npiv, S_IRUGO, lpfc_enable_npiv_show, NULL); |
92d7f7b0 | 2207 | |
7d791df7 JS |
2208 | LPFC_ATTR_R(fcf_failover_policy, 1, 1, 2, |
2209 | "FCF Fast failover=1 Priority failover=2"); | |
2210 | ||
19ca7609 | 2211 | int lpfc_enable_rrq; |
ab56dc2e | 2212 | module_param(lpfc_enable_rrq, int, S_IRUGO); |
19ca7609 JS |
2213 | MODULE_PARM_DESC(lpfc_enable_rrq, "Enable RRQ functionality"); |
2214 | lpfc_param_show(enable_rrq); | |
2215 | lpfc_param_init(enable_rrq, 0, 0, 1); | |
2216 | static DEVICE_ATTR(lpfc_enable_rrq, S_IRUGO, lpfc_enable_rrq_show, NULL); | |
2217 | ||
84d1b006 JS |
2218 | /* |
2219 | # lpfc_suppress_link_up: Bring link up at initialization | |
2220 | # 0x0 = bring link up (issue MBX_INIT_LINK) | |
2221 | # 0x1 = do NOT bring link up at initialization(MBX_INIT_LINK) | |
2222 | # 0x2 = never bring up link | |
2223 | # Default value is 0. | |
2224 | */ | |
e40a02c1 JS |
2225 | LPFC_ATTR_R(suppress_link_up, LPFC_INITIALIZE_LINK, LPFC_INITIALIZE_LINK, |
2226 | LPFC_DELAY_INIT_LINK_INDEFINITELY, | |
2227 | "Suppress Link Up at initialization"); | |
2a9bf3d0 JS |
2228 | /* |
2229 | # lpfc_cnt: Number of IOCBs allocated for ELS, CT, and ABTS | |
2230 | # 1 - (1024) | |
2231 | # 2 - (2048) | |
2232 | # 3 - (3072) | |
2233 | # 4 - (4096) | |
2234 | # 5 - (5120) | |
2235 | */ | |
2236 | static ssize_t | |
2237 | lpfc_iocb_hw_show(struct device *dev, struct device_attribute *attr, char *buf) | |
2238 | { | |
2239 | struct Scsi_Host *shost = class_to_shost(dev); | |
2240 | struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba; | |
2241 | ||
2242 | return snprintf(buf, PAGE_SIZE, "%d\n", phba->iocb_max); | |
2243 | } | |
2244 | ||
2245 | static DEVICE_ATTR(iocb_hw, S_IRUGO, | |
2246 | lpfc_iocb_hw_show, NULL); | |
2247 | static ssize_t | |
2248 | lpfc_txq_hw_show(struct device *dev, struct device_attribute *attr, char *buf) | |
2249 | { | |
2250 | struct Scsi_Host *shost = class_to_shost(dev); | |
2251 | struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba; | |
2252 | ||
2253 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
2254 | phba->sli.ring[LPFC_ELS_RING].txq_max); | |
2255 | } | |
2256 | ||
2257 | static DEVICE_ATTR(txq_hw, S_IRUGO, | |
2258 | lpfc_txq_hw_show, NULL); | |
2259 | static ssize_t | |
2260 | lpfc_txcmplq_hw_show(struct device *dev, struct device_attribute *attr, | |
2261 | char *buf) | |
2262 | { | |
2263 | struct Scsi_Host *shost = class_to_shost(dev); | |
2264 | struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba; | |
2265 | ||
2266 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
2267 | phba->sli.ring[LPFC_ELS_RING].txcmplq_max); | |
2268 | } | |
2269 | ||
2270 | static DEVICE_ATTR(txcmplq_hw, S_IRUGO, | |
2271 | lpfc_txcmplq_hw_show, NULL); | |
2272 | ||
2273 | int lpfc_iocb_cnt = 2; | |
ab56dc2e | 2274 | module_param(lpfc_iocb_cnt, int, S_IRUGO); |
2a9bf3d0 JS |
2275 | MODULE_PARM_DESC(lpfc_iocb_cnt, |
2276 | "Number of IOCBs alloc for ELS, CT, and ABTS: 1k to 5k IOCBs"); | |
2277 | lpfc_param_show(iocb_cnt); | |
2278 | lpfc_param_init(iocb_cnt, 2, 1, 5); | |
2279 | static DEVICE_ATTR(lpfc_iocb_cnt, S_IRUGO, | |
2280 | lpfc_iocb_cnt_show, NULL); | |
84d1b006 | 2281 | |
c01f3208 JS |
2282 | /* |
2283 | # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear | |
2284 | # until the timer expires. Value range is [0,255]. Default value is 30. | |
2285 | */ | |
2286 | static int lpfc_nodev_tmo = LPFC_DEF_DEVLOSS_TMO; | |
2287 | static int lpfc_devloss_tmo = LPFC_DEF_DEVLOSS_TMO; | |
2288 | module_param(lpfc_nodev_tmo, int, 0); | |
2289 | MODULE_PARM_DESC(lpfc_nodev_tmo, | |
2290 | "Seconds driver will hold I/O waiting " | |
2291 | "for a device to come back"); | |
e59058c4 JS |
2292 | |
2293 | /** | |
3621a710 | 2294 | * lpfc_nodev_tmo_show - Return the hba dev loss timeout value |
e59058c4 JS |
2295 | * @dev: class converted to a Scsi_host structure. |
2296 | * @attr: device attribute, not used. | |
2297 | * @buf: on return contains the dev loss timeout in decimal. | |
2298 | * | |
2299 | * Returns: size of formatted string. | |
2300 | **/ | |
c01f3208 | 2301 | static ssize_t |
ee959b00 TJ |
2302 | lpfc_nodev_tmo_show(struct device *dev, struct device_attribute *attr, |
2303 | char *buf) | |
c01f3208 | 2304 | { |
ee959b00 | 2305 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 | 2306 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
e40a02c1 | 2307 | |
3de2a653 | 2308 | return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_devloss_tmo); |
c01f3208 JS |
2309 | } |
2310 | ||
e59058c4 | 2311 | /** |
3621a710 | 2312 | * lpfc_nodev_tmo_init - Set the hba nodev timeout value |
e59058c4 JS |
2313 | * @vport: lpfc vport structure pointer. |
2314 | * @val: contains the nodev timeout value. | |
2315 | * | |
2316 | * Description: | |
2317 | * If the devloss tmo is already set then nodev tmo is set to devloss tmo, | |
2318 | * a kernel error message is printed and zero is returned. | |
2319 | * Else if val is in range then nodev tmo and devloss tmo are set to val. | |
2320 | * Otherwise nodev tmo is set to the default value. | |
2321 | * | |
2322 | * Returns: | |
2323 | * zero if already set or if val is in range | |
2324 | * -EINVAL val out of range | |
2325 | **/ | |
c01f3208 | 2326 | static int |
3de2a653 JS |
2327 | lpfc_nodev_tmo_init(struct lpfc_vport *vport, int val) |
2328 | { | |
2329 | if (vport->cfg_devloss_tmo != LPFC_DEF_DEVLOSS_TMO) { | |
2330 | vport->cfg_nodev_tmo = vport->cfg_devloss_tmo; | |
2331 | if (val != LPFC_DEF_DEVLOSS_TMO) | |
e8b62011 | 2332 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 2333 | "0407 Ignoring nodev_tmo module " |
e8b62011 JS |
2334 | "parameter because devloss_tmo is " |
2335 | "set.\n"); | |
c01f3208 JS |
2336 | return 0; |
2337 | } | |
2338 | ||
2339 | if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { | |
3de2a653 JS |
2340 | vport->cfg_nodev_tmo = val; |
2341 | vport->cfg_devloss_tmo = val; | |
c01f3208 JS |
2342 | return 0; |
2343 | } | |
e8b62011 JS |
2344 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
2345 | "0400 lpfc_nodev_tmo attribute cannot be set to" | |
2346 | " %d, allowed range is [%d, %d]\n", | |
2347 | val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO); | |
3de2a653 | 2348 | vport->cfg_nodev_tmo = LPFC_DEF_DEVLOSS_TMO; |
c01f3208 JS |
2349 | return -EINVAL; |
2350 | } | |
2351 | ||
e59058c4 | 2352 | /** |
3621a710 | 2353 | * lpfc_update_rport_devloss_tmo - Update dev loss tmo value |
e59058c4 JS |
2354 | * @vport: lpfc vport structure pointer. |
2355 | * | |
2356 | * Description: | |
2357 | * Update all the ndlp's dev loss tmo with the vport devloss tmo value. | |
2358 | **/ | |
7054a606 | 2359 | static void |
3de2a653 | 2360 | lpfc_update_rport_devloss_tmo(struct lpfc_vport *vport) |
7054a606 | 2361 | { |
858c9f6c | 2362 | struct Scsi_Host *shost; |
7054a606 JS |
2363 | struct lpfc_nodelist *ndlp; |
2364 | ||
51ef4c26 JS |
2365 | shost = lpfc_shost_from_vport(vport); |
2366 | spin_lock_irq(shost->host_lock); | |
2367 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) | |
e47c9093 | 2368 | if (NLP_CHK_NODE_ACT(ndlp) && ndlp->rport) |
51ef4c26 JS |
2369 | ndlp->rport->dev_loss_tmo = vport->cfg_devloss_tmo; |
2370 | spin_unlock_irq(shost->host_lock); | |
7054a606 JS |
2371 | } |
2372 | ||
e59058c4 | 2373 | /** |
3621a710 | 2374 | * lpfc_nodev_tmo_set - Set the vport nodev tmo and devloss tmo values |
e59058c4 JS |
2375 | * @vport: lpfc vport structure pointer. |
2376 | * @val: contains the tmo value. | |
2377 | * | |
2378 | * Description: | |
2379 | * If the devloss tmo is already set or the vport dev loss tmo has changed | |
2380 | * then a kernel error message is printed and zero is returned. | |
2381 | * Else if val is in range then nodev tmo and devloss tmo are set to val. | |
2382 | * Otherwise nodev tmo is set to the default value. | |
2383 | * | |
2384 | * Returns: | |
2385 | * zero if already set or if val is in range | |
2386 | * -EINVAL val out of range | |
2387 | **/ | |
c01f3208 | 2388 | static int |
3de2a653 | 2389 | lpfc_nodev_tmo_set(struct lpfc_vport *vport, int val) |
c01f3208 | 2390 | { |
3de2a653 JS |
2391 | if (vport->dev_loss_tmo_changed || |
2392 | (lpfc_devloss_tmo != LPFC_DEF_DEVLOSS_TMO)) { | |
e8b62011 JS |
2393 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
2394 | "0401 Ignoring change to nodev_tmo " | |
2395 | "because devloss_tmo is set.\n"); | |
c01f3208 JS |
2396 | return 0; |
2397 | } | |
c01f3208 | 2398 | if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { |
3de2a653 JS |
2399 | vport->cfg_nodev_tmo = val; |
2400 | vport->cfg_devloss_tmo = val; | |
0af5d708 MC |
2401 | /* |
2402 | * For compat: set the fc_host dev loss so new rports | |
2403 | * will get the value. | |
2404 | */ | |
2405 | fc_host_dev_loss_tmo(lpfc_shost_from_vport(vport)) = val; | |
3de2a653 | 2406 | lpfc_update_rport_devloss_tmo(vport); |
c01f3208 JS |
2407 | return 0; |
2408 | } | |
e8b62011 JS |
2409 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
2410 | "0403 lpfc_nodev_tmo attribute cannot be set to" | |
2411 | "%d, allowed range is [%d, %d]\n", | |
2412 | val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO); | |
c01f3208 JS |
2413 | return -EINVAL; |
2414 | } | |
2415 | ||
3de2a653 | 2416 | lpfc_vport_param_store(nodev_tmo) |
c01f3208 | 2417 | |
ee959b00 TJ |
2418 | static DEVICE_ATTR(lpfc_nodev_tmo, S_IRUGO | S_IWUSR, |
2419 | lpfc_nodev_tmo_show, lpfc_nodev_tmo_store); | |
c01f3208 JS |
2420 | |
2421 | /* | |
2422 | # lpfc_devloss_tmo: If set, it will hold all I/O errors on devices that | |
2423 | # disappear until the timer expires. Value range is [0,255]. Default | |
2424 | # value is 30. | |
2425 | */ | |
ab56dc2e | 2426 | module_param(lpfc_devloss_tmo, int, S_IRUGO); |
c01f3208 JS |
2427 | MODULE_PARM_DESC(lpfc_devloss_tmo, |
2428 | "Seconds driver will hold I/O waiting " | |
2429 | "for a device to come back"); | |
3de2a653 JS |
2430 | lpfc_vport_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO, |
2431 | LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO) | |
2432 | lpfc_vport_param_show(devloss_tmo) | |
e59058c4 JS |
2433 | |
2434 | /** | |
3621a710 | 2435 | * lpfc_devloss_tmo_set - Sets vport nodev tmo, devloss tmo values, changed bit |
e59058c4 JS |
2436 | * @vport: lpfc vport structure pointer. |
2437 | * @val: contains the tmo value. | |
2438 | * | |
2439 | * Description: | |
2440 | * If val is in a valid range then set the vport nodev tmo, | |
2441 | * devloss tmo, also set the vport dev loss tmo changed flag. | |
2442 | * Else a kernel error message is printed. | |
2443 | * | |
2444 | * Returns: | |
2445 | * zero if val is in range | |
2446 | * -EINVAL val out of range | |
2447 | **/ | |
c01f3208 | 2448 | static int |
3de2a653 | 2449 | lpfc_devloss_tmo_set(struct lpfc_vport *vport, int val) |
c01f3208 JS |
2450 | { |
2451 | if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { | |
3de2a653 JS |
2452 | vport->cfg_nodev_tmo = val; |
2453 | vport->cfg_devloss_tmo = val; | |
2454 | vport->dev_loss_tmo_changed = 1; | |
0af5d708 | 2455 | fc_host_dev_loss_tmo(lpfc_shost_from_vport(vport)) = val; |
3de2a653 | 2456 | lpfc_update_rport_devloss_tmo(vport); |
c01f3208 JS |
2457 | return 0; |
2458 | } | |
2459 | ||
e8b62011 JS |
2460 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
2461 | "0404 lpfc_devloss_tmo attribute cannot be set to" | |
2462 | " %d, allowed range is [%d, %d]\n", | |
2463 | val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO); | |
c01f3208 JS |
2464 | return -EINVAL; |
2465 | } | |
2466 | ||
3de2a653 | 2467 | lpfc_vport_param_store(devloss_tmo) |
ee959b00 TJ |
2468 | static DEVICE_ATTR(lpfc_devloss_tmo, S_IRUGO | S_IWUSR, |
2469 | lpfc_devloss_tmo_show, lpfc_devloss_tmo_store); | |
c01f3208 | 2470 | |
dea3101e | 2471 | /* |
2472 | # lpfc_log_verbose: Only turn this flag on if you are willing to risk being | |
2473 | # deluged with LOTS of information. | |
2474 | # You can set a bit mask to record specific types of verbose messages: | |
f4b4c68f | 2475 | # See lpfc_logmsh.h for definitions. |
dea3101e | 2476 | */ |
f4b4c68f | 2477 | LPFC_VPORT_ATTR_HEX_RW(log_verbose, 0x0, 0x0, 0xffffffff, |
e8b62011 | 2478 | "Verbose logging bit-mask"); |
dea3101e | 2479 | |
7ee5d43e JS |
2480 | /* |
2481 | # lpfc_enable_da_id: This turns on the DA_ID CT command that deregisters | |
2482 | # objects that have been registered with the nameserver after login. | |
2483 | */ | |
2484 | LPFC_VPORT_ATTR_R(enable_da_id, 0, 0, 1, | |
2485 | "Deregister nameserver objects before LOGO"); | |
2486 | ||
dea3101e | 2487 | /* |
2488 | # lun_queue_depth: This parameter is used to limit the number of outstanding | |
2489 | # commands per FCP LUN. Value range is [1,128]. Default value is 30. | |
2490 | */ | |
3de2a653 JS |
2491 | LPFC_VPORT_ATTR_R(lun_queue_depth, 30, 1, 128, |
2492 | "Max number of FCP commands we can queue to a specific LUN"); | |
dea3101e | 2493 | |
7dc517df JS |
2494 | /* |
2495 | # tgt_queue_depth: This parameter is used to limit the number of outstanding | |
2496 | # commands per target port. Value range is [10,65535]. Default value is 65535. | |
2497 | */ | |
2498 | LPFC_VPORT_ATTR_R(tgt_queue_depth, 65535, 10, 65535, | |
2499 | "Max number of FCP commands we can queue to a specific target port"); | |
2500 | ||
b28485ac JW |
2501 | /* |
2502 | # hba_queue_depth: This parameter is used to limit the number of outstanding | |
2503 | # commands per lpfc HBA. Value range is [32,8192]. If this parameter | |
2504 | # value is greater than the maximum number of exchanges supported by the HBA, | |
2505 | # then maximum number of exchanges supported by the HBA is used to determine | |
2506 | # the hba_queue_depth. | |
2507 | */ | |
2508 | LPFC_ATTR_R(hba_queue_depth, 8192, 32, 8192, | |
2509 | "Max number of FCP commands we can queue to a lpfc HBA"); | |
2510 | ||
92d7f7b0 JS |
2511 | /* |
2512 | # peer_port_login: This parameter allows/prevents logins | |
2513 | # between peer ports hosted on the same physical port. | |
2514 | # When this parameter is set 0 peer ports of same physical port | |
2515 | # are not allowed to login to each other. | |
2516 | # When this parameter is set 1 peer ports of same physical port | |
2517 | # are allowed to login to each other. | |
2518 | # Default value of this parameter is 0. | |
2519 | */ | |
3de2a653 JS |
2520 | LPFC_VPORT_ATTR_R(peer_port_login, 0, 0, 1, |
2521 | "Allow peer ports on the same physical port to login to each " | |
2522 | "other."); | |
92d7f7b0 JS |
2523 | |
2524 | /* | |
3de2a653 | 2525 | # restrict_login: This parameter allows/prevents logins |
92d7f7b0 JS |
2526 | # between Virtual Ports and remote initiators. |
2527 | # When this parameter is not set (0) Virtual Ports will accept PLOGIs from | |
2528 | # other initiators and will attempt to PLOGI all remote ports. | |
2529 | # When this parameter is set (1) Virtual Ports will reject PLOGIs from | |
2530 | # remote ports and will not attempt to PLOGI to other initiators. | |
2531 | # This parameter does not restrict to the physical port. | |
2532 | # This parameter does not restrict logins to Fabric resident remote ports. | |
2533 | # Default value of this parameter is 1. | |
2534 | */ | |
3de2a653 | 2535 | static int lpfc_restrict_login = 1; |
ab56dc2e | 2536 | module_param(lpfc_restrict_login, int, S_IRUGO); |
3de2a653 JS |
2537 | MODULE_PARM_DESC(lpfc_restrict_login, |
2538 | "Restrict virtual ports login to remote initiators."); | |
2539 | lpfc_vport_param_show(restrict_login); | |
2540 | ||
e59058c4 | 2541 | /** |
3621a710 | 2542 | * lpfc_restrict_login_init - Set the vport restrict login flag |
e59058c4 JS |
2543 | * @vport: lpfc vport structure pointer. |
2544 | * @val: contains the restrict login value. | |
2545 | * | |
2546 | * Description: | |
2547 | * If val is not in a valid range then log a kernel error message and set | |
2548 | * the vport restrict login to one. | |
2549 | * If the port type is physical clear the restrict login flag and return. | |
2550 | * Else set the restrict login flag to val. | |
2551 | * | |
2552 | * Returns: | |
2553 | * zero if val is in range | |
2554 | * -EINVAL val out of range | |
2555 | **/ | |
3de2a653 JS |
2556 | static int |
2557 | lpfc_restrict_login_init(struct lpfc_vport *vport, int val) | |
2558 | { | |
2559 | if (val < 0 || val > 1) { | |
e8b62011 | 2560 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 2561 | "0422 lpfc_restrict_login attribute cannot " |
e8b62011 JS |
2562 | "be set to %d, allowed range is [0, 1]\n", |
2563 | val); | |
3de2a653 JS |
2564 | vport->cfg_restrict_login = 1; |
2565 | return -EINVAL; | |
2566 | } | |
2567 | if (vport->port_type == LPFC_PHYSICAL_PORT) { | |
2568 | vport->cfg_restrict_login = 0; | |
2569 | return 0; | |
2570 | } | |
2571 | vport->cfg_restrict_login = val; | |
2572 | return 0; | |
2573 | } | |
2574 | ||
e59058c4 | 2575 | /** |
3621a710 | 2576 | * lpfc_restrict_login_set - Set the vport restrict login flag |
e59058c4 JS |
2577 | * @vport: lpfc vport structure pointer. |
2578 | * @val: contains the restrict login value. | |
2579 | * | |
2580 | * Description: | |
2581 | * If val is not in a valid range then log a kernel error message and set | |
2582 | * the vport restrict login to one. | |
2583 | * If the port type is physical and the val is not zero log a kernel | |
2584 | * error message, clear the restrict login flag and return zero. | |
2585 | * Else set the restrict login flag to val. | |
2586 | * | |
2587 | * Returns: | |
2588 | * zero if val is in range | |
2589 | * -EINVAL val out of range | |
2590 | **/ | |
3de2a653 JS |
2591 | static int |
2592 | lpfc_restrict_login_set(struct lpfc_vport *vport, int val) | |
2593 | { | |
2594 | if (val < 0 || val > 1) { | |
e8b62011 | 2595 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 2596 | "0425 lpfc_restrict_login attribute cannot " |
e8b62011 JS |
2597 | "be set to %d, allowed range is [0, 1]\n", |
2598 | val); | |
3de2a653 JS |
2599 | vport->cfg_restrict_login = 1; |
2600 | return -EINVAL; | |
2601 | } | |
2602 | if (vport->port_type == LPFC_PHYSICAL_PORT && val != 0) { | |
e8b62011 JS |
2603 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
2604 | "0468 lpfc_restrict_login must be 0 for " | |
2605 | "Physical ports.\n"); | |
3de2a653 JS |
2606 | vport->cfg_restrict_login = 0; |
2607 | return 0; | |
2608 | } | |
2609 | vport->cfg_restrict_login = val; | |
2610 | return 0; | |
2611 | } | |
2612 | lpfc_vport_param_store(restrict_login); | |
ee959b00 TJ |
2613 | static DEVICE_ATTR(lpfc_restrict_login, S_IRUGO | S_IWUSR, |
2614 | lpfc_restrict_login_show, lpfc_restrict_login_store); | |
92d7f7b0 | 2615 | |
dea3101e | 2616 | /* |
2617 | # Some disk devices have a "select ID" or "select Target" capability. | |
2618 | # From a protocol standpoint "select ID" usually means select the | |
2619 | # Fibre channel "ALPA". In the FC-AL Profile there is an "informative | |
2620 | # annex" which contains a table that maps a "select ID" (a number | |
2621 | # between 0 and 7F) to an ALPA. By default, for compatibility with | |
2622 | # older drivers, the lpfc driver scans this table from low ALPA to high | |
2623 | # ALPA. | |
2624 | # | |
2625 | # Turning on the scan-down variable (on = 1, off = 0) will | |
2626 | # cause the lpfc driver to use an inverted table, effectively | |
2627 | # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1. | |
2628 | # | |
2629 | # (Note: This "select ID" functionality is a LOOP ONLY characteristic | |
2630 | # and will not work across a fabric. Also this parameter will take | |
2631 | # effect only in the case when ALPA map is not available.) | |
2632 | */ | |
3de2a653 JS |
2633 | LPFC_VPORT_ATTR_R(scan_down, 1, 0, 1, |
2634 | "Start scanning for devices from highest ALPA to lowest"); | |
dea3101e | 2635 | |
dea3101e | 2636 | /* |
2637 | # lpfc_topology: link topology for init link | |
2638 | # 0x0 = attempt loop mode then point-to-point | |
367c2713 | 2639 | # 0x01 = internal loopback mode |
dea3101e | 2640 | # 0x02 = attempt point-to-point mode only |
2641 | # 0x04 = attempt loop mode only | |
2642 | # 0x06 = attempt point-to-point mode then loop | |
2643 | # Set point-to-point mode if you want to run as an N_Port. | |
2644 | # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6]. | |
2645 | # Default value is 0. | |
2646 | */ | |
e59058c4 JS |
2647 | |
2648 | /** | |
3621a710 | 2649 | * lpfc_topology_set - Set the adapters topology field |
e59058c4 JS |
2650 | * @phba: lpfc_hba pointer. |
2651 | * @val: topology value. | |
2652 | * | |
2653 | * Description: | |
2654 | * If val is in a valid range then set the adapter's topology field and | |
2655 | * issue a lip; if the lip fails reset the topology to the old value. | |
2656 | * | |
2657 | * If the value is not in range log a kernel error message and return an error. | |
2658 | * | |
2659 | * Returns: | |
2660 | * zero if val is in range and lip okay | |
2661 | * non-zero return value from lpfc_issue_lip() | |
2662 | * -EINVAL val out of range | |
2663 | **/ | |
a257bf90 JS |
2664 | static ssize_t |
2665 | lpfc_topology_store(struct device *dev, struct device_attribute *attr, | |
2666 | const char *buf, size_t count) | |
83108bd3 | 2667 | { |
a257bf90 JS |
2668 | struct Scsi_Host *shost = class_to_shost(dev); |
2669 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2670 | struct lpfc_hba *phba = vport->phba; | |
2671 | int val = 0; | |
2672 | int nolip = 0; | |
2673 | const char *val_buf = buf; | |
83108bd3 JS |
2674 | int err; |
2675 | uint32_t prev_val; | |
a257bf90 JS |
2676 | |
2677 | if (!strncmp(buf, "nolip ", strlen("nolip "))) { | |
2678 | nolip = 1; | |
2679 | val_buf = &buf[strlen("nolip ")]; | |
2680 | } | |
2681 | ||
2682 | if (!isdigit(val_buf[0])) | |
2683 | return -EINVAL; | |
2684 | if (sscanf(val_buf, "%i", &val) != 1) | |
2685 | return -EINVAL; | |
2686 | ||
83108bd3 JS |
2687 | if (val >= 0 && val <= 6) { |
2688 | prev_val = phba->cfg_topology; | |
2689 | phba->cfg_topology = val; | |
a257bf90 JS |
2690 | if (nolip) |
2691 | return strlen(buf); | |
2692 | ||
88a2cfbb JS |
2693 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
2694 | "3054 lpfc_topology changed from %d to %d\n", | |
2695 | prev_val, val); | |
83108bd3 | 2696 | err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport)); |
a257bf90 | 2697 | if (err) { |
83108bd3 | 2698 | phba->cfg_topology = prev_val; |
a257bf90 JS |
2699 | return -EINVAL; |
2700 | } else | |
2701 | return strlen(buf); | |
83108bd3 JS |
2702 | } |
2703 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2704 | "%d:0467 lpfc_topology attribute cannot be set to %d, " | |
2705 | "allowed range is [0, 6]\n", | |
2706 | phba->brd_no, val); | |
2707 | return -EINVAL; | |
2708 | } | |
2709 | static int lpfc_topology = 0; | |
ab56dc2e | 2710 | module_param(lpfc_topology, int, S_IRUGO); |
83108bd3 JS |
2711 | MODULE_PARM_DESC(lpfc_topology, "Select Fibre Channel topology"); |
2712 | lpfc_param_show(topology) | |
2713 | lpfc_param_init(topology, 0, 0, 6) | |
ee959b00 | 2714 | static DEVICE_ATTR(lpfc_topology, S_IRUGO | S_IWUSR, |
83108bd3 | 2715 | lpfc_topology_show, lpfc_topology_store); |
dea3101e | 2716 | |
21e9a0a5 JS |
2717 | /** |
2718 | * lpfc_static_vport_show: Read callback function for | |
2719 | * lpfc_static_vport sysfs file. | |
2720 | * @dev: Pointer to class device object. | |
2721 | * @attr: device attribute structure. | |
2722 | * @buf: Data buffer. | |
2723 | * | |
2724 | * This function is the read call back function for | |
2725 | * lpfc_static_vport sysfs file. The lpfc_static_vport | |
2726 | * sysfs file report the mageability of the vport. | |
2727 | **/ | |
2728 | static ssize_t | |
2729 | lpfc_static_vport_show(struct device *dev, struct device_attribute *attr, | |
2730 | char *buf) | |
2731 | { | |
2732 | struct Scsi_Host *shost = class_to_shost(dev); | |
2733 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2734 | if (vport->vport_flag & STATIC_VPORT) | |
2735 | sprintf(buf, "1\n"); | |
2736 | else | |
2737 | sprintf(buf, "0\n"); | |
2738 | ||
2739 | return strlen(buf); | |
2740 | } | |
2741 | ||
2742 | /* | |
2743 | * Sysfs attribute to control the statistical data collection. | |
2744 | */ | |
2745 | static DEVICE_ATTR(lpfc_static_vport, S_IRUGO, | |
2746 | lpfc_static_vport_show, NULL); | |
ea2151b4 JS |
2747 | |
2748 | /** | |
3621a710 | 2749 | * lpfc_stat_data_ctrl_store - write call back for lpfc_stat_data_ctrl sysfs file |
ea2151b4 JS |
2750 | * @dev: Pointer to class device. |
2751 | * @buf: Data buffer. | |
2752 | * @count: Size of the data buffer. | |
2753 | * | |
2754 | * This function get called when an user write to the lpfc_stat_data_ctrl | |
2755 | * sysfs file. This function parse the command written to the sysfs file | |
2756 | * and take appropriate action. These commands are used for controlling | |
2757 | * driver statistical data collection. | |
2758 | * Following are the command this function handles. | |
2759 | * | |
2760 | * setbucket <bucket_type> <base> <step> | |
2761 | * = Set the latency buckets. | |
2762 | * destroybucket = destroy all the buckets. | |
2763 | * start = start data collection | |
2764 | * stop = stop data collection | |
2765 | * reset = reset the collected data | |
2766 | **/ | |
2767 | static ssize_t | |
2768 | lpfc_stat_data_ctrl_store(struct device *dev, struct device_attribute *attr, | |
2769 | const char *buf, size_t count) | |
2770 | { | |
2771 | struct Scsi_Host *shost = class_to_shost(dev); | |
2772 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2773 | struct lpfc_hba *phba = vport->phba; | |
2774 | #define LPFC_MAX_DATA_CTRL_LEN 1024 | |
2775 | static char bucket_data[LPFC_MAX_DATA_CTRL_LEN]; | |
2776 | unsigned long i; | |
2777 | char *str_ptr, *token; | |
2778 | struct lpfc_vport **vports; | |
2779 | struct Scsi_Host *v_shost; | |
2780 | char *bucket_type_str, *base_str, *step_str; | |
2781 | unsigned long base, step, bucket_type; | |
2782 | ||
2783 | if (!strncmp(buf, "setbucket", strlen("setbucket"))) { | |
a257bf90 | 2784 | if (strlen(buf) > (LPFC_MAX_DATA_CTRL_LEN - 1)) |
ea2151b4 JS |
2785 | return -EINVAL; |
2786 | ||
2787 | strcpy(bucket_data, buf); | |
2788 | str_ptr = &bucket_data[0]; | |
2789 | /* Ignore this token - this is command token */ | |
2790 | token = strsep(&str_ptr, "\t "); | |
2791 | if (!token) | |
2792 | return -EINVAL; | |
2793 | ||
2794 | bucket_type_str = strsep(&str_ptr, "\t "); | |
2795 | if (!bucket_type_str) | |
2796 | return -EINVAL; | |
2797 | ||
2798 | if (!strncmp(bucket_type_str, "linear", strlen("linear"))) | |
2799 | bucket_type = LPFC_LINEAR_BUCKET; | |
2800 | else if (!strncmp(bucket_type_str, "power2", strlen("power2"))) | |
2801 | bucket_type = LPFC_POWER2_BUCKET; | |
2802 | else | |
2803 | return -EINVAL; | |
2804 | ||
2805 | base_str = strsep(&str_ptr, "\t "); | |
2806 | if (!base_str) | |
2807 | return -EINVAL; | |
2808 | base = simple_strtoul(base_str, NULL, 0); | |
2809 | ||
2810 | step_str = strsep(&str_ptr, "\t "); | |
2811 | if (!step_str) | |
2812 | return -EINVAL; | |
2813 | step = simple_strtoul(step_str, NULL, 0); | |
2814 | if (!step) | |
2815 | return -EINVAL; | |
2816 | ||
2817 | /* Block the data collection for every vport */ | |
2818 | vports = lpfc_create_vport_work_array(phba); | |
2819 | if (vports == NULL) | |
2820 | return -ENOMEM; | |
2821 | ||
f4b4c68f | 2822 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
ea2151b4 JS |
2823 | v_shost = lpfc_shost_from_vport(vports[i]); |
2824 | spin_lock_irq(v_shost->host_lock); | |
2825 | /* Block and reset data collection */ | |
2826 | vports[i]->stat_data_blocked = 1; | |
2827 | if (vports[i]->stat_data_enabled) | |
2828 | lpfc_vport_reset_stat_data(vports[i]); | |
2829 | spin_unlock_irq(v_shost->host_lock); | |
2830 | } | |
2831 | ||
2832 | /* Set the bucket attributes */ | |
2833 | phba->bucket_type = bucket_type; | |
2834 | phba->bucket_base = base; | |
2835 | phba->bucket_step = step; | |
2836 | ||
f4b4c68f | 2837 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
ea2151b4 JS |
2838 | v_shost = lpfc_shost_from_vport(vports[i]); |
2839 | ||
2840 | /* Unblock data collection */ | |
2841 | spin_lock_irq(v_shost->host_lock); | |
2842 | vports[i]->stat_data_blocked = 0; | |
2843 | spin_unlock_irq(v_shost->host_lock); | |
2844 | } | |
2845 | lpfc_destroy_vport_work_array(phba, vports); | |
2846 | return strlen(buf); | |
2847 | } | |
2848 | ||
2849 | if (!strncmp(buf, "destroybucket", strlen("destroybucket"))) { | |
2850 | vports = lpfc_create_vport_work_array(phba); | |
2851 | if (vports == NULL) | |
2852 | return -ENOMEM; | |
2853 | ||
f4b4c68f | 2854 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
ea2151b4 JS |
2855 | v_shost = lpfc_shost_from_vport(vports[i]); |
2856 | spin_lock_irq(shost->host_lock); | |
2857 | vports[i]->stat_data_blocked = 1; | |
2858 | lpfc_free_bucket(vport); | |
2859 | vport->stat_data_enabled = 0; | |
2860 | vports[i]->stat_data_blocked = 0; | |
2861 | spin_unlock_irq(shost->host_lock); | |
2862 | } | |
2863 | lpfc_destroy_vport_work_array(phba, vports); | |
2864 | phba->bucket_type = LPFC_NO_BUCKET; | |
2865 | phba->bucket_base = 0; | |
2866 | phba->bucket_step = 0; | |
2867 | return strlen(buf); | |
2868 | } | |
2869 | ||
2870 | if (!strncmp(buf, "start", strlen("start"))) { | |
2871 | /* If no buckets configured return error */ | |
2872 | if (phba->bucket_type == LPFC_NO_BUCKET) | |
2873 | return -EINVAL; | |
2874 | spin_lock_irq(shost->host_lock); | |
2875 | if (vport->stat_data_enabled) { | |
2876 | spin_unlock_irq(shost->host_lock); | |
2877 | return strlen(buf); | |
2878 | } | |
2879 | lpfc_alloc_bucket(vport); | |
2880 | vport->stat_data_enabled = 1; | |
2881 | spin_unlock_irq(shost->host_lock); | |
2882 | return strlen(buf); | |
2883 | } | |
2884 | ||
2885 | if (!strncmp(buf, "stop", strlen("stop"))) { | |
2886 | spin_lock_irq(shost->host_lock); | |
2887 | if (vport->stat_data_enabled == 0) { | |
2888 | spin_unlock_irq(shost->host_lock); | |
2889 | return strlen(buf); | |
2890 | } | |
2891 | lpfc_free_bucket(vport); | |
2892 | vport->stat_data_enabled = 0; | |
2893 | spin_unlock_irq(shost->host_lock); | |
2894 | return strlen(buf); | |
2895 | } | |
2896 | ||
2897 | if (!strncmp(buf, "reset", strlen("reset"))) { | |
2898 | if ((phba->bucket_type == LPFC_NO_BUCKET) | |
2899 | || !vport->stat_data_enabled) | |
2900 | return strlen(buf); | |
2901 | spin_lock_irq(shost->host_lock); | |
2902 | vport->stat_data_blocked = 1; | |
2903 | lpfc_vport_reset_stat_data(vport); | |
2904 | vport->stat_data_blocked = 0; | |
2905 | spin_unlock_irq(shost->host_lock); | |
2906 | return strlen(buf); | |
2907 | } | |
2908 | return -EINVAL; | |
2909 | } | |
2910 | ||
2911 | ||
2912 | /** | |
3621a710 | 2913 | * lpfc_stat_data_ctrl_show - Read function for lpfc_stat_data_ctrl sysfs file |
ea2151b4 JS |
2914 | * @dev: Pointer to class device object. |
2915 | * @buf: Data buffer. | |
2916 | * | |
2917 | * This function is the read call back function for | |
2918 | * lpfc_stat_data_ctrl sysfs file. This function report the | |
2919 | * current statistical data collection state. | |
2920 | **/ | |
2921 | static ssize_t | |
2922 | lpfc_stat_data_ctrl_show(struct device *dev, struct device_attribute *attr, | |
2923 | char *buf) | |
2924 | { | |
2925 | struct Scsi_Host *shost = class_to_shost(dev); | |
2926 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2927 | struct lpfc_hba *phba = vport->phba; | |
2928 | int index = 0; | |
2929 | int i; | |
2930 | char *bucket_type; | |
2931 | unsigned long bucket_value; | |
2932 | ||
2933 | switch (phba->bucket_type) { | |
2934 | case LPFC_LINEAR_BUCKET: | |
2935 | bucket_type = "linear"; | |
2936 | break; | |
2937 | case LPFC_POWER2_BUCKET: | |
2938 | bucket_type = "power2"; | |
2939 | break; | |
2940 | default: | |
2941 | bucket_type = "No Bucket"; | |
2942 | break; | |
2943 | } | |
2944 | ||
2945 | sprintf(&buf[index], "Statistical Data enabled :%d, " | |
2946 | "blocked :%d, Bucket type :%s, Bucket base :%d," | |
2947 | " Bucket step :%d\nLatency Ranges :", | |
2948 | vport->stat_data_enabled, vport->stat_data_blocked, | |
2949 | bucket_type, phba->bucket_base, phba->bucket_step); | |
2950 | index = strlen(buf); | |
2951 | if (phba->bucket_type != LPFC_NO_BUCKET) { | |
2952 | for (i = 0; i < LPFC_MAX_BUCKET_COUNT; i++) { | |
2953 | if (phba->bucket_type == LPFC_LINEAR_BUCKET) | |
2954 | bucket_value = phba->bucket_base + | |
2955 | phba->bucket_step * i; | |
2956 | else | |
2957 | bucket_value = phba->bucket_base + | |
2958 | (1 << i) * phba->bucket_step; | |
2959 | ||
2960 | if (index + 10 > PAGE_SIZE) | |
2961 | break; | |
2962 | sprintf(&buf[index], "%08ld ", bucket_value); | |
2963 | index = strlen(buf); | |
2964 | } | |
2965 | } | |
2966 | sprintf(&buf[index], "\n"); | |
2967 | return strlen(buf); | |
2968 | } | |
2969 | ||
2970 | /* | |
2971 | * Sysfs attribute to control the statistical data collection. | |
2972 | */ | |
2973 | static DEVICE_ATTR(lpfc_stat_data_ctrl, S_IRUGO | S_IWUSR, | |
2974 | lpfc_stat_data_ctrl_show, lpfc_stat_data_ctrl_store); | |
2975 | ||
2976 | /* | |
2977 | * lpfc_drvr_stat_data: sysfs attr to get driver statistical data. | |
2978 | */ | |
2979 | ||
2980 | /* | |
2981 | * Each Bucket takes 11 characters and 1 new line + 17 bytes WWN | |
2982 | * for each target. | |
2983 | */ | |
2984 | #define STAT_DATA_SIZE_PER_TARGET(NUM_BUCKETS) ((NUM_BUCKETS) * 11 + 18) | |
2985 | #define MAX_STAT_DATA_SIZE_PER_TARGET \ | |
2986 | STAT_DATA_SIZE_PER_TARGET(LPFC_MAX_BUCKET_COUNT) | |
2987 | ||
2988 | ||
2989 | /** | |
3621a710 | 2990 | * sysfs_drvr_stat_data_read - Read function for lpfc_drvr_stat_data attribute |
2c3c8bea | 2991 | * @filp: sysfs file |
ea2151b4 JS |
2992 | * @kobj: Pointer to the kernel object |
2993 | * @bin_attr: Attribute object | |
2994 | * @buff: Buffer pointer | |
2995 | * @off: File offset | |
2996 | * @count: Buffer size | |
2997 | * | |
2998 | * This function is the read call back function for lpfc_drvr_stat_data | |
2999 | * sysfs file. This function export the statistical data to user | |
3000 | * applications. | |
3001 | **/ | |
3002 | static ssize_t | |
2c3c8bea CW |
3003 | sysfs_drvr_stat_data_read(struct file *filp, struct kobject *kobj, |
3004 | struct bin_attribute *bin_attr, | |
ea2151b4 JS |
3005 | char *buf, loff_t off, size_t count) |
3006 | { | |
3007 | struct device *dev = container_of(kobj, struct device, | |
3008 | kobj); | |
3009 | struct Scsi_Host *shost = class_to_shost(dev); | |
3010 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
3011 | struct lpfc_hba *phba = vport->phba; | |
3012 | int i = 0, index = 0; | |
3013 | unsigned long nport_index; | |
3014 | struct lpfc_nodelist *ndlp = NULL; | |
3015 | nport_index = (unsigned long)off / | |
3016 | MAX_STAT_DATA_SIZE_PER_TARGET; | |
3017 | ||
3018 | if (!vport->stat_data_enabled || vport->stat_data_blocked | |
3019 | || (phba->bucket_type == LPFC_NO_BUCKET)) | |
3020 | return 0; | |
3021 | ||
3022 | spin_lock_irq(shost->host_lock); | |
3023 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { | |
3024 | if (!NLP_CHK_NODE_ACT(ndlp) || !ndlp->lat_data) | |
3025 | continue; | |
3026 | ||
3027 | if (nport_index > 0) { | |
3028 | nport_index--; | |
3029 | continue; | |
3030 | } | |
3031 | ||
3032 | if ((index + MAX_STAT_DATA_SIZE_PER_TARGET) | |
3033 | > count) | |
3034 | break; | |
3035 | ||
3036 | if (!ndlp->lat_data) | |
3037 | continue; | |
3038 | ||
3039 | /* Print the WWN */ | |
3040 | sprintf(&buf[index], "%02x%02x%02x%02x%02x%02x%02x%02x:", | |
3041 | ndlp->nlp_portname.u.wwn[0], | |
3042 | ndlp->nlp_portname.u.wwn[1], | |
3043 | ndlp->nlp_portname.u.wwn[2], | |
3044 | ndlp->nlp_portname.u.wwn[3], | |
3045 | ndlp->nlp_portname.u.wwn[4], | |
3046 | ndlp->nlp_portname.u.wwn[5], | |
3047 | ndlp->nlp_portname.u.wwn[6], | |
3048 | ndlp->nlp_portname.u.wwn[7]); | |
3049 | ||
3050 | index = strlen(buf); | |
3051 | ||
3052 | for (i = 0; i < LPFC_MAX_BUCKET_COUNT; i++) { | |
3053 | sprintf(&buf[index], "%010u,", | |
3054 | ndlp->lat_data[i].cmd_count); | |
3055 | index = strlen(buf); | |
3056 | } | |
3057 | sprintf(&buf[index], "\n"); | |
3058 | index = strlen(buf); | |
3059 | } | |
3060 | spin_unlock_irq(shost->host_lock); | |
3061 | return index; | |
3062 | } | |
3063 | ||
3064 | static struct bin_attribute sysfs_drvr_stat_data_attr = { | |
3065 | .attr = { | |
3066 | .name = "lpfc_drvr_stat_data", | |
3067 | .mode = S_IRUSR, | |
ea2151b4 JS |
3068 | }, |
3069 | .size = LPFC_MAX_TARGET * MAX_STAT_DATA_SIZE_PER_TARGET, | |
3070 | .read = sysfs_drvr_stat_data_read, | |
3071 | .write = NULL, | |
3072 | }; | |
3073 | ||
dea3101e | 3074 | /* |
3075 | # lpfc_link_speed: Link speed selection for initializing the Fibre Channel | |
3076 | # connection. | |
76a95d75 | 3077 | # Value range is [0,16]. Default value is 0. |
dea3101e | 3078 | */ |
e59058c4 | 3079 | /** |
3621a710 | 3080 | * lpfc_link_speed_set - Set the adapters link speed |
e59058c4 JS |
3081 | * @phba: lpfc_hba pointer. |
3082 | * @val: link speed value. | |
3083 | * | |
3084 | * Description: | |
3085 | * If val is in a valid range then set the adapter's link speed field and | |
3086 | * issue a lip; if the lip fails reset the link speed to the old value. | |
3087 | * | |
3088 | * Notes: | |
3089 | * If the value is not in range log a kernel error message and return an error. | |
3090 | * | |
3091 | * Returns: | |
3092 | * zero if val is in range and lip okay. | |
3093 | * non-zero return value from lpfc_issue_lip() | |
3094 | * -EINVAL val out of range | |
3095 | **/ | |
a257bf90 JS |
3096 | static ssize_t |
3097 | lpfc_link_speed_store(struct device *dev, struct device_attribute *attr, | |
3098 | const char *buf, size_t count) | |
83108bd3 | 3099 | { |
a257bf90 JS |
3100 | struct Scsi_Host *shost = class_to_shost(dev); |
3101 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
3102 | struct lpfc_hba *phba = vport->phba; | |
76a95d75 | 3103 | int val = LPFC_USER_LINK_SPEED_AUTO; |
a257bf90 JS |
3104 | int nolip = 0; |
3105 | const char *val_buf = buf; | |
83108bd3 JS |
3106 | int err; |
3107 | uint32_t prev_val; | |
3108 | ||
a257bf90 JS |
3109 | if (!strncmp(buf, "nolip ", strlen("nolip "))) { |
3110 | nolip = 1; | |
3111 | val_buf = &buf[strlen("nolip ")]; | |
3112 | } | |
3113 | ||
3114 | if (!isdigit(val_buf[0])) | |
3115 | return -EINVAL; | |
3116 | if (sscanf(val_buf, "%i", &val) != 1) | |
3117 | return -EINVAL; | |
3118 | ||
88a2cfbb JS |
3119 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
3120 | "3055 lpfc_link_speed changed from %d to %d %s\n", | |
3121 | phba->cfg_link_speed, val, nolip ? "(nolip)" : "(lip)"); | |
3122 | ||
76a95d75 JS |
3123 | if (((val == LPFC_USER_LINK_SPEED_1G) && !(phba->lmt & LMT_1Gb)) || |
3124 | ((val == LPFC_USER_LINK_SPEED_2G) && !(phba->lmt & LMT_2Gb)) || | |
3125 | ((val == LPFC_USER_LINK_SPEED_4G) && !(phba->lmt & LMT_4Gb)) || | |
3126 | ((val == LPFC_USER_LINK_SPEED_8G) && !(phba->lmt & LMT_8Gb)) || | |
3127 | ((val == LPFC_USER_LINK_SPEED_10G) && !(phba->lmt & LMT_10Gb)) || | |
3128 | ((val == LPFC_USER_LINK_SPEED_16G) && !(phba->lmt & LMT_16Gb))) { | |
3129 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3130 | "2879 lpfc_link_speed attribute cannot be set " | |
3131 | "to %d. Speed is not supported by this port.\n", | |
3132 | val); | |
83108bd3 | 3133 | return -EINVAL; |
76a95d75 JS |
3134 | } |
3135 | if ((val >= 0) && (val <= LPFC_USER_LINK_SPEED_MAX) && | |
3136 | (LPFC_USER_LINK_SPEED_BITMAP & (1 << val))) { | |
83108bd3 JS |
3137 | prev_val = phba->cfg_link_speed; |
3138 | phba->cfg_link_speed = val; | |
a257bf90 JS |
3139 | if (nolip) |
3140 | return strlen(buf); | |
3141 | ||
83108bd3 | 3142 | err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport)); |
a257bf90 | 3143 | if (err) { |
83108bd3 | 3144 | phba->cfg_link_speed = prev_val; |
a257bf90 JS |
3145 | return -EINVAL; |
3146 | } else | |
3147 | return strlen(buf); | |
83108bd3 | 3148 | } |
83108bd3 | 3149 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
76a95d75 JS |
3150 | "0469 lpfc_link_speed attribute cannot be set to %d, " |
3151 | "allowed values are ["LPFC_LINK_SPEED_STRING"]\n", val); | |
83108bd3 JS |
3152 | return -EINVAL; |
3153 | } | |
3154 | ||
3155 | static int lpfc_link_speed = 0; | |
ab56dc2e | 3156 | module_param(lpfc_link_speed, int, S_IRUGO); |
83108bd3 JS |
3157 | MODULE_PARM_DESC(lpfc_link_speed, "Select link speed"); |
3158 | lpfc_param_show(link_speed) | |
e59058c4 JS |
3159 | |
3160 | /** | |
3621a710 | 3161 | * lpfc_link_speed_init - Set the adapters link speed |
e59058c4 JS |
3162 | * @phba: lpfc_hba pointer. |
3163 | * @val: link speed value. | |
3164 | * | |
3165 | * Description: | |
3166 | * If val is in a valid range then set the adapter's link speed field. | |
3167 | * | |
3168 | * Notes: | |
3169 | * If the value is not in range log a kernel error message, clear the link | |
3170 | * speed and return an error. | |
3171 | * | |
3172 | * Returns: | |
3173 | * zero if val saved. | |
3174 | * -EINVAL val out of range | |
3175 | **/ | |
83108bd3 JS |
3176 | static int |
3177 | lpfc_link_speed_init(struct lpfc_hba *phba, int val) | |
3178 | { | |
76a95d75 JS |
3179 | if ((val >= 0) && (val <= LPFC_USER_LINK_SPEED_MAX) && |
3180 | (LPFC_USER_LINK_SPEED_BITMAP & (1 << val))) { | |
83108bd3 JS |
3181 | phba->cfg_link_speed = val; |
3182 | return 0; | |
3183 | } | |
3184 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
d7c255b2 | 3185 | "0405 lpfc_link_speed attribute cannot " |
83108bd3 JS |
3186 | "be set to %d, allowed values are " |
3187 | "["LPFC_LINK_SPEED_STRING"]\n", val); | |
76a95d75 | 3188 | phba->cfg_link_speed = LPFC_USER_LINK_SPEED_AUTO; |
83108bd3 JS |
3189 | return -EINVAL; |
3190 | } | |
3191 | ||
ee959b00 | 3192 | static DEVICE_ATTR(lpfc_link_speed, S_IRUGO | S_IWUSR, |
76a95d75 | 3193 | lpfc_link_speed_show, lpfc_link_speed_store); |
dea3101e | 3194 | |
0d878419 JS |
3195 | /* |
3196 | # lpfc_aer_support: Support PCIe device Advanced Error Reporting (AER) | |
3197 | # 0 = aer disabled or not supported | |
3198 | # 1 = aer supported and enabled (default) | |
3199 | # Value range is [0,1]. Default value is 1. | |
3200 | */ | |
3201 | ||
3202 | /** | |
3203 | * lpfc_aer_support_store - Set the adapter for aer support | |
3204 | * | |
3205 | * @dev: class device that is converted into a Scsi_host. | |
3206 | * @attr: device attribute, not used. | |
912e3acd | 3207 | * @buf: containing enable or disable aer flag. |
0d878419 JS |
3208 | * @count: unused variable. |
3209 | * | |
3210 | * Description: | |
3211 | * If the val is 1 and currently the device's AER capability was not | |
3212 | * enabled, invoke the kernel's enable AER helper routine, trying to | |
3213 | * enable the device's AER capability. If the helper routine enabling | |
3214 | * AER returns success, update the device's cfg_aer_support flag to | |
3215 | * indicate AER is supported by the device; otherwise, if the device | |
3216 | * AER capability is already enabled to support AER, then do nothing. | |
3217 | * | |
3218 | * If the val is 0 and currently the device's AER support was enabled, | |
3219 | * invoke the kernel's disable AER helper routine. After that, update | |
3220 | * the device's cfg_aer_support flag to indicate AER is not supported | |
3221 | * by the device; otherwise, if the device AER capability is already | |
3222 | * disabled from supporting AER, then do nothing. | |
3223 | * | |
3224 | * Returns: | |
3225 | * length of the buf on success if val is in range the intended mode | |
3226 | * is supported. | |
3227 | * -EINVAL if val out of range or intended mode is not supported. | |
3228 | **/ | |
3229 | static ssize_t | |
3230 | lpfc_aer_support_store(struct device *dev, struct device_attribute *attr, | |
3231 | const char *buf, size_t count) | |
3232 | { | |
3233 | struct Scsi_Host *shost = class_to_shost(dev); | |
3234 | struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; | |
3235 | struct lpfc_hba *phba = vport->phba; | |
3236 | int val = 0, rc = -EINVAL; | |
3237 | ||
3238 | if (!isdigit(buf[0])) | |
3239 | return -EINVAL; | |
3240 | if (sscanf(buf, "%i", &val) != 1) | |
3241 | return -EINVAL; | |
3242 | ||
3243 | switch (val) { | |
3244 | case 0: | |
3245 | if (phba->hba_flag & HBA_AER_ENABLED) { | |
3246 | rc = pci_disable_pcie_error_reporting(phba->pcidev); | |
3247 | if (!rc) { | |
3248 | spin_lock_irq(&phba->hbalock); | |
3249 | phba->hba_flag &= ~HBA_AER_ENABLED; | |
3250 | spin_unlock_irq(&phba->hbalock); | |
3251 | phba->cfg_aer_support = 0; | |
3252 | rc = strlen(buf); | |
3253 | } else | |
891478a2 JS |
3254 | rc = -EPERM; |
3255 | } else { | |
0d878419 | 3256 | phba->cfg_aer_support = 0; |
891478a2 JS |
3257 | rc = strlen(buf); |
3258 | } | |
0d878419 JS |
3259 | break; |
3260 | case 1: | |
3261 | if (!(phba->hba_flag & HBA_AER_ENABLED)) { | |
3262 | rc = pci_enable_pcie_error_reporting(phba->pcidev); | |
3263 | if (!rc) { | |
3264 | spin_lock_irq(&phba->hbalock); | |
3265 | phba->hba_flag |= HBA_AER_ENABLED; | |
3266 | spin_unlock_irq(&phba->hbalock); | |
3267 | phba->cfg_aer_support = 1; | |
3268 | rc = strlen(buf); | |
3269 | } else | |
891478a2 JS |
3270 | rc = -EPERM; |
3271 | } else { | |
0d878419 | 3272 | phba->cfg_aer_support = 1; |
891478a2 JS |
3273 | rc = strlen(buf); |
3274 | } | |
0d878419 JS |
3275 | break; |
3276 | default: | |
3277 | rc = -EINVAL; | |
3278 | break; | |
3279 | } | |
3280 | return rc; | |
3281 | } | |
3282 | ||
3283 | static int lpfc_aer_support = 1; | |
ab56dc2e | 3284 | module_param(lpfc_aer_support, int, S_IRUGO); |
0d878419 JS |
3285 | MODULE_PARM_DESC(lpfc_aer_support, "Enable PCIe device AER support"); |
3286 | lpfc_param_show(aer_support) | |
3287 | ||
3288 | /** | |
3289 | * lpfc_aer_support_init - Set the initial adapters aer support flag | |
3290 | * @phba: lpfc_hba pointer. | |
912e3acd | 3291 | * @val: enable aer or disable aer flag. |
0d878419 JS |
3292 | * |
3293 | * Description: | |
3294 | * If val is in a valid range [0,1], then set the adapter's initial | |
3295 | * cfg_aer_support field. It will be up to the driver's probe_one | |
3296 | * routine to determine whether the device's AER support can be set | |
3297 | * or not. | |
3298 | * | |
3299 | * Notes: | |
3300 | * If the value is not in range log a kernel error message, and | |
3301 | * choose the default value of setting AER support and return. | |
3302 | * | |
3303 | * Returns: | |
3304 | * zero if val saved. | |
3305 | * -EINVAL val out of range | |
3306 | **/ | |
3307 | static int | |
3308 | lpfc_aer_support_init(struct lpfc_hba *phba, int val) | |
3309 | { | |
3310 | if (val == 0 || val == 1) { | |
3311 | phba->cfg_aer_support = val; | |
3312 | return 0; | |
3313 | } | |
3314 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3315 | "2712 lpfc_aer_support attribute value %d out " | |
3316 | "of range, allowed values are 0|1, setting it " | |
3317 | "to default value of 1\n", val); | |
891478a2 | 3318 | /* By default, try to enable AER on a device */ |
0d878419 JS |
3319 | phba->cfg_aer_support = 1; |
3320 | return -EINVAL; | |
3321 | } | |
3322 | ||
3323 | static DEVICE_ATTR(lpfc_aer_support, S_IRUGO | S_IWUSR, | |
3324 | lpfc_aer_support_show, lpfc_aer_support_store); | |
3325 | ||
3326 | /** | |
3327 | * lpfc_aer_cleanup_state - Clean up aer state to the aer enabled device | |
3328 | * @dev: class device that is converted into a Scsi_host. | |
3329 | * @attr: device attribute, not used. | |
912e3acd | 3330 | * @buf: containing flag 1 for aer cleanup state. |
0d878419 JS |
3331 | * @count: unused variable. |
3332 | * | |
3333 | * Description: | |
3334 | * If the @buf contains 1 and the device currently has the AER support | |
3335 | * enabled, then invokes the kernel AER helper routine | |
3336 | * pci_cleanup_aer_uncorrect_error_status to clean up the uncorrectable | |
3337 | * error status register. | |
3338 | * | |
3339 | * Notes: | |
3340 | * | |
3341 | * Returns: | |
3342 | * -EINVAL if the buf does not contain the 1 or the device is not currently | |
3343 | * enabled with the AER support. | |
3344 | **/ | |
3345 | static ssize_t | |
3346 | lpfc_aer_cleanup_state(struct device *dev, struct device_attribute *attr, | |
3347 | const char *buf, size_t count) | |
3348 | { | |
3349 | struct Scsi_Host *shost = class_to_shost(dev); | |
3350 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
3351 | struct lpfc_hba *phba = vport->phba; | |
3352 | int val, rc = -1; | |
3353 | ||
3354 | if (!isdigit(buf[0])) | |
3355 | return -EINVAL; | |
3356 | if (sscanf(buf, "%i", &val) != 1) | |
3357 | return -EINVAL; | |
891478a2 JS |
3358 | if (val != 1) |
3359 | return -EINVAL; | |
0d878419 | 3360 | |
891478a2 | 3361 | if (phba->hba_flag & HBA_AER_ENABLED) |
0d878419 JS |
3362 | rc = pci_cleanup_aer_uncorrect_error_status(phba->pcidev); |
3363 | ||
3364 | if (rc == 0) | |
3365 | return strlen(buf); | |
3366 | else | |
891478a2 | 3367 | return -EPERM; |
0d878419 JS |
3368 | } |
3369 | ||
3370 | static DEVICE_ATTR(lpfc_aer_state_cleanup, S_IWUSR, NULL, | |
3371 | lpfc_aer_cleanup_state); | |
3372 | ||
912e3acd JS |
3373 | /** |
3374 | * lpfc_sriov_nr_virtfn_store - Enable the adapter for sr-iov virtual functions | |
3375 | * | |
3376 | * @dev: class device that is converted into a Scsi_host. | |
3377 | * @attr: device attribute, not used. | |
3378 | * @buf: containing the string the number of vfs to be enabled. | |
3379 | * @count: unused variable. | |
3380 | * | |
3381 | * Description: | |
3382 | * When this api is called either through user sysfs, the driver shall | |
3383 | * try to enable or disable SR-IOV virtual functions according to the | |
3384 | * following: | |
3385 | * | |
3386 | * If zero virtual function has been enabled to the physical function, | |
3387 | * the driver shall invoke the pci enable virtual function api trying | |
3388 | * to enable the virtual functions. If the nr_vfn provided is greater | |
3389 | * than the maximum supported, the maximum virtual function number will | |
3390 | * be used for invoking the api; otherwise, the nr_vfn provided shall | |
3391 | * be used for invoking the api. If the api call returned success, the | |
3392 | * actual number of virtual functions enabled will be set to the driver | |
3393 | * cfg_sriov_nr_virtfn; otherwise, -EINVAL shall be returned and driver | |
3394 | * cfg_sriov_nr_virtfn remains zero. | |
3395 | * | |
3396 | * If none-zero virtual functions have already been enabled to the | |
3397 | * physical function, as reflected by the driver's cfg_sriov_nr_virtfn, | |
3398 | * -EINVAL will be returned and the driver does nothing; | |
3399 | * | |
3400 | * If the nr_vfn provided is zero and none-zero virtual functions have | |
3401 | * been enabled, as indicated by the driver's cfg_sriov_nr_virtfn, the | |
3402 | * disabling virtual function api shall be invoded to disable all the | |
3403 | * virtual functions and driver's cfg_sriov_nr_virtfn shall be set to | |
3404 | * zero. Otherwise, if zero virtual function has been enabled, do | |
3405 | * nothing. | |
3406 | * | |
3407 | * Returns: | |
3408 | * length of the buf on success if val is in range the intended mode | |
3409 | * is supported. | |
3410 | * -EINVAL if val out of range or intended mode is not supported. | |
3411 | **/ | |
3412 | static ssize_t | |
3413 | lpfc_sriov_nr_virtfn_store(struct device *dev, struct device_attribute *attr, | |
3414 | const char *buf, size_t count) | |
3415 | { | |
3416 | struct Scsi_Host *shost = class_to_shost(dev); | |
3417 | struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; | |
3418 | struct lpfc_hba *phba = vport->phba; | |
3419 | struct pci_dev *pdev = phba->pcidev; | |
3420 | int val = 0, rc = -EINVAL; | |
3421 | ||
3422 | /* Sanity check on user data */ | |
3423 | if (!isdigit(buf[0])) | |
3424 | return -EINVAL; | |
3425 | if (sscanf(buf, "%i", &val) != 1) | |
3426 | return -EINVAL; | |
3427 | if (val < 0) | |
3428 | return -EINVAL; | |
3429 | ||
3430 | /* Request disabling virtual functions */ | |
3431 | if (val == 0) { | |
3432 | if (phba->cfg_sriov_nr_virtfn > 0) { | |
3433 | pci_disable_sriov(pdev); | |
3434 | phba->cfg_sriov_nr_virtfn = 0; | |
3435 | } | |
3436 | return strlen(buf); | |
3437 | } | |
3438 | ||
3439 | /* Request enabling virtual functions */ | |
3440 | if (phba->cfg_sriov_nr_virtfn > 0) { | |
3441 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3442 | "3018 There are %d virtual functions " | |
3443 | "enabled on physical function.\n", | |
3444 | phba->cfg_sriov_nr_virtfn); | |
3445 | return -EEXIST; | |
3446 | } | |
3447 | ||
3448 | if (val <= LPFC_MAX_VFN_PER_PFN) | |
3449 | phba->cfg_sriov_nr_virtfn = val; | |
3450 | else { | |
3451 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3452 | "3019 Enabling %d virtual functions is not " | |
3453 | "allowed.\n", val); | |
3454 | return -EINVAL; | |
3455 | } | |
3456 | ||
3457 | rc = lpfc_sli_probe_sriov_nr_virtfn(phba, phba->cfg_sriov_nr_virtfn); | |
3458 | if (rc) { | |
3459 | phba->cfg_sriov_nr_virtfn = 0; | |
3460 | rc = -EPERM; | |
3461 | } else | |
3462 | rc = strlen(buf); | |
3463 | ||
3464 | return rc; | |
3465 | } | |
3466 | ||
3467 | static int lpfc_sriov_nr_virtfn = LPFC_DEF_VFN_PER_PFN; | |
3468 | module_param(lpfc_sriov_nr_virtfn, int, S_IRUGO|S_IWUSR); | |
3469 | MODULE_PARM_DESC(lpfc_sriov_nr_virtfn, "Enable PCIe device SR-IOV virtual fn"); | |
3470 | lpfc_param_show(sriov_nr_virtfn) | |
3471 | ||
3472 | /** | |
3473 | * lpfc_sriov_nr_virtfn_init - Set the initial sr-iov virtual function enable | |
3474 | * @phba: lpfc_hba pointer. | |
3475 | * @val: link speed value. | |
3476 | * | |
3477 | * Description: | |
3478 | * If val is in a valid range [0,255], then set the adapter's initial | |
3479 | * cfg_sriov_nr_virtfn field. If it's greater than the maximum, the maximum | |
3480 | * number shall be used instead. It will be up to the driver's probe_one | |
3481 | * routine to determine whether the device's SR-IOV is supported or not. | |
3482 | * | |
3483 | * Returns: | |
3484 | * zero if val saved. | |
3485 | * -EINVAL val out of range | |
3486 | **/ | |
3487 | static int | |
3488 | lpfc_sriov_nr_virtfn_init(struct lpfc_hba *phba, int val) | |
3489 | { | |
3490 | if (val >= 0 && val <= LPFC_MAX_VFN_PER_PFN) { | |
3491 | phba->cfg_sriov_nr_virtfn = val; | |
3492 | return 0; | |
3493 | } | |
3494 | ||
3495 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3496 | "3017 Enabling %d virtual functions is not " | |
3497 | "allowed.\n", val); | |
3498 | return -EINVAL; | |
3499 | } | |
3500 | static DEVICE_ATTR(lpfc_sriov_nr_virtfn, S_IRUGO | S_IWUSR, | |
3501 | lpfc_sriov_nr_virtfn_show, lpfc_sriov_nr_virtfn_store); | |
3502 | ||
dea3101e | 3503 | /* |
3504 | # lpfc_fcp_class: Determines FC class to use for the FCP protocol. | |
3505 | # Value range is [2,3]. Default value is 3. | |
3506 | */ | |
3de2a653 JS |
3507 | LPFC_VPORT_ATTR_R(fcp_class, 3, 2, 3, |
3508 | "Select Fibre Channel class of service for FCP sequences"); | |
dea3101e | 3509 | |
3510 | /* | |
3511 | # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range | |
3512 | # is [0,1]. Default value is 0. | |
3513 | */ | |
3de2a653 JS |
3514 | LPFC_VPORT_ATTR_RW(use_adisc, 0, 0, 1, |
3515 | "Use ADISC on rediscovery to authenticate FCP devices"); | |
dea3101e | 3516 | |
977b5a0a JS |
3517 | /* |
3518 | # lpfc_max_scsicmpl_time: Use scsi command completion time to control I/O queue | |
3519 | # depth. Default value is 0. When the value of this parameter is zero the | |
3520 | # SCSI command completion time is not used for controlling I/O queue depth. When | |
3521 | # the parameter is set to a non-zero value, the I/O queue depth is controlled | |
3522 | # to limit the I/O completion time to the parameter value. | |
3523 | # The value is set in milliseconds. | |
3524 | */ | |
3525 | static int lpfc_max_scsicmpl_time; | |
ab56dc2e | 3526 | module_param(lpfc_max_scsicmpl_time, int, S_IRUGO); |
977b5a0a JS |
3527 | MODULE_PARM_DESC(lpfc_max_scsicmpl_time, |
3528 | "Use command completion time to control queue depth"); | |
3529 | lpfc_vport_param_show(max_scsicmpl_time); | |
3530 | lpfc_vport_param_init(max_scsicmpl_time, 0, 0, 60000); | |
3531 | static int | |
3532 | lpfc_max_scsicmpl_time_set(struct lpfc_vport *vport, int val) | |
3533 | { | |
3534 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
3535 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
3536 | ||
3537 | if (val == vport->cfg_max_scsicmpl_time) | |
3538 | return 0; | |
3539 | if ((val < 0) || (val > 60000)) | |
3540 | return -EINVAL; | |
3541 | vport->cfg_max_scsicmpl_time = val; | |
3542 | ||
3543 | spin_lock_irq(shost->host_lock); | |
3544 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { | |
3545 | if (!NLP_CHK_NODE_ACT(ndlp)) | |
3546 | continue; | |
3547 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) | |
3548 | continue; | |
7dc517df | 3549 | ndlp->cmd_qdepth = vport->cfg_tgt_queue_depth; |
977b5a0a JS |
3550 | } |
3551 | spin_unlock_irq(shost->host_lock); | |
3552 | return 0; | |
3553 | } | |
3554 | lpfc_vport_param_store(max_scsicmpl_time); | |
3555 | static DEVICE_ATTR(lpfc_max_scsicmpl_time, S_IRUGO | S_IWUSR, | |
3556 | lpfc_max_scsicmpl_time_show, | |
3557 | lpfc_max_scsicmpl_time_store); | |
3558 | ||
dea3101e | 3559 | /* |
3560 | # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value | |
3561 | # range is [0,1]. Default value is 0. | |
3562 | */ | |
3563 | LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support"); | |
3564 | ||
3565 | /* | |
3566 | # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing | |
3567 | # cr_delay (msec) or cr_count outstanding commands. cr_delay can take | |
7054a606 | 3568 | # value [0,63]. cr_count can take value [1,255]. Default value of cr_delay |
dea3101e | 3569 | # is 0. Default value of cr_count is 1. The cr_count feature is disabled if |
3570 | # cr_delay is set to 0. | |
3571 | */ | |
8189fd19 | 3572 | LPFC_ATTR_RW(cr_delay, 0, 0, 63, "A count of milliseconds after which an " |
dea3101e | 3573 | "interrupt response is generated"); |
3574 | ||
8189fd19 | 3575 | LPFC_ATTR_RW(cr_count, 1, 1, 255, "A count of I/O completions after which an " |
dea3101e | 3576 | "interrupt response is generated"); |
3577 | ||
cf5bf97e JW |
3578 | /* |
3579 | # lpfc_multi_ring_support: Determines how many rings to spread available | |
3580 | # cmd/rsp IOCB entries across. | |
3581 | # Value range is [1,2]. Default value is 1. | |
3582 | */ | |
3583 | LPFC_ATTR_R(multi_ring_support, 1, 1, 2, "Determines number of primary " | |
3584 | "SLI rings to spread IOCB entries across"); | |
3585 | ||
a4bc3379 JS |
3586 | /* |
3587 | # lpfc_multi_ring_rctl: If lpfc_multi_ring_support is enabled, this | |
3588 | # identifies what rctl value to configure the additional ring for. | |
3589 | # Value range is [1,0xff]. Default value is 4 (Unsolicated Data). | |
3590 | */ | |
6a9c52cf | 3591 | LPFC_ATTR_R(multi_ring_rctl, FC_RCTL_DD_UNSOL_DATA, 1, |
a4bc3379 JS |
3592 | 255, "Identifies RCTL for additional ring configuration"); |
3593 | ||
3594 | /* | |
3595 | # lpfc_multi_ring_type: If lpfc_multi_ring_support is enabled, this | |
3596 | # identifies what type value to configure the additional ring for. | |
3597 | # Value range is [1,0xff]. Default value is 5 (LLC/SNAP). | |
3598 | */ | |
6a9c52cf | 3599 | LPFC_ATTR_R(multi_ring_type, FC_TYPE_IP, 1, |
a4bc3379 JS |
3600 | 255, "Identifies TYPE for additional ring configuration"); |
3601 | ||
dea3101e | 3602 | /* |
3603 | # lpfc_fdmi_on: controls FDMI support. | |
3604 | # 0 = no FDMI support | |
3605 | # 1 = support FDMI without attribute of hostname | |
3606 | # 2 = support FDMI with attribute of hostname | |
3607 | # Value range [0,2]. Default value is 0. | |
3608 | */ | |
3de2a653 | 3609 | LPFC_VPORT_ATTR_RW(fdmi_on, 0, 0, 2, "Enable FDMI support"); |
dea3101e | 3610 | |
3611 | /* | |
3612 | # Specifies the maximum number of ELS cmds we can have outstanding (for | |
3613 | # discovery). Value range is [1,64]. Default value = 32. | |
3614 | */ | |
3de2a653 | 3615 | LPFC_VPORT_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands " |
dea3101e | 3616 | "during discovery"); |
3617 | ||
3618 | /* | |
65a29c16 JS |
3619 | # lpfc_max_luns: maximum allowed LUN. |
3620 | # Value range is [0,65535]. Default value is 255. | |
3621 | # NOTE: The SCSI layer might probe all allowed LUN on some old targets. | |
dea3101e | 3622 | */ |
3de2a653 | 3623 | LPFC_VPORT_ATTR_R(max_luns, 255, 0, 65535, "Maximum allowed LUN"); |
dea3101e | 3624 | |
875fbdfe JSEC |
3625 | /* |
3626 | # lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring. | |
3627 | # Value range is [1,255], default value is 10. | |
3628 | */ | |
3629 | LPFC_ATTR_RW(poll_tmo, 10, 1, 255, | |
3630 | "Milliseconds driver will wait between polling FCP ring"); | |
3631 | ||
4ff43246 JS |
3632 | /* |
3633 | # lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that | |
3634 | # support this feature | |
8605c46c | 3635 | # 0 = MSI disabled |
4ff43246 | 3636 | # 1 = MSI enabled |
8605c46c GK |
3637 | # 2 = MSI-X enabled (default) |
3638 | # Value range is [0,2]. Default value is 2. | |
4ff43246 | 3639 | */ |
8605c46c | 3640 | LPFC_ATTR_R(use_msi, 2, 0, 2, "Use Message Signaled Interrupts (1) or " |
db2378e0 | 3641 | "MSI-X (2), if possible"); |
4ff43246 | 3642 | |
da0436e9 JS |
3643 | /* |
3644 | # lpfc_fcp_imax: Set the maximum number of fast-path FCP interrupts per second | |
3645 | # | |
3646 | # Value range is [636,651042]. Default value is 10000. | |
3647 | */ | |
3648 | LPFC_ATTR_R(fcp_imax, LPFC_FP_DEF_IMAX, LPFC_MIM_IMAX, LPFC_DMULT_CONST, | |
3649 | "Set the maximum number of fast-path FCP interrupts per second"); | |
3650 | ||
3651 | /* | |
3652 | # lpfc_fcp_wq_count: Set the number of fast-path FCP work queues | |
3653 | # | |
3654 | # Value range is [1,31]. Default value is 4. | |
3655 | */ | |
3656 | LPFC_ATTR_R(fcp_wq_count, LPFC_FP_WQN_DEF, LPFC_FP_WQN_MIN, LPFC_FP_WQN_MAX, | |
3657 | "Set the number of fast-path FCP work queues, if possible"); | |
3658 | ||
3659 | /* | |
3660 | # lpfc_fcp_eq_count: Set the number of fast-path FCP event queues | |
3661 | # | |
3662 | # Value range is [1,7]. Default value is 1. | |
3663 | */ | |
3664 | LPFC_ATTR_R(fcp_eq_count, LPFC_FP_EQN_DEF, LPFC_FP_EQN_MIN, LPFC_FP_EQN_MAX, | |
3665 | "Set the number of fast-path FCP event queues, if possible"); | |
3666 | ||
13815c83 JS |
3667 | /* |
3668 | # lpfc_enable_hba_reset: Allow or prevent HBA resets to the hardware. | |
3669 | # 0 = HBA resets disabled | |
3670 | # 1 = HBA resets enabled (default) | |
3671 | # Value range is [0,1]. Default value is 1. | |
3672 | */ | |
3673 | LPFC_ATTR_R(enable_hba_reset, 1, 0, 1, "Enable HBA resets from the driver."); | |
c3f28afa | 3674 | |
13815c83 | 3675 | /* |
eb7a339e | 3676 | # lpfc_enable_hba_heartbeat: Disable HBA heartbeat timer.. |
13815c83 JS |
3677 | # 0 = HBA Heartbeat disabled |
3678 | # 1 = HBA Heartbeat enabled (default) | |
3679 | # Value range is [0,1]. Default value is 1. | |
3680 | */ | |
eb7a339e | 3681 | LPFC_ATTR_R(enable_hba_heartbeat, 0, 0, 1, "Enable HBA Heartbeat."); |
92d7f7b0 | 3682 | |
81301a9b JS |
3683 | /* |
3684 | # lpfc_enable_bg: Enable BlockGuard (Emulex's Implementation of T10-DIF) | |
3685 | # 0 = BlockGuard disabled (default) | |
3686 | # 1 = BlockGuard enabled | |
3687 | # Value range is [0,1]. Default value is 0. | |
3688 | */ | |
3689 | LPFC_ATTR_R(enable_bg, 0, 0, 1, "Enable BlockGuard Support"); | |
3690 | ||
81301a9b JS |
3691 | /* |
3692 | # lpfc_prot_mask: i | |
3693 | # - Bit mask of host protection capabilities used to register with the | |
3694 | # SCSI mid-layer | |
3695 | # - Only meaningful if BG is turned on (lpfc_enable_bg=1). | |
3696 | # - Allows you to ultimately specify which profiles to use | |
3697 | # - Default will result in registering capabilities for all profiles. | |
3698 | # | |
3699 | */ | |
7c56b9fd JS |
3700 | unsigned int lpfc_prot_mask = SHOST_DIF_TYPE1_PROTECTION | |
3701 | SHOST_DIX_TYPE0_PROTECTION | | |
3702 | SHOST_DIX_TYPE1_PROTECTION; | |
81301a9b | 3703 | |
ab56dc2e | 3704 | module_param(lpfc_prot_mask, uint, S_IRUGO); |
81301a9b JS |
3705 | MODULE_PARM_DESC(lpfc_prot_mask, "host protection mask"); |
3706 | ||
3707 | /* | |
3708 | # lpfc_prot_guard: i | |
3709 | # - Bit mask of protection guard types to register with the SCSI mid-layer | |
3710 | # - Guard types are currently either 1) IP checksum 2) T10-DIF CRC | |
3711 | # - Allows you to ultimately specify which profiles to use | |
3712 | # - Default will result in registering capabilities for all guard types | |
3713 | # | |
3714 | */ | |
3715 | unsigned char lpfc_prot_guard = SHOST_DIX_GUARD_IP; | |
ab56dc2e | 3716 | module_param(lpfc_prot_guard, byte, S_IRUGO); |
81301a9b JS |
3717 | MODULE_PARM_DESC(lpfc_prot_guard, "host protection guard type"); |
3718 | ||
92494144 JS |
3719 | /* |
3720 | * Delay initial NPort discovery when Clean Address bit is cleared in | |
3721 | * FLOGI/FDISC accept and FCID/Fabric name/Fabric portname is changed. | |
3722 | * This parameter can have value 0 or 1. | |
3723 | * When this parameter is set to 0, no delay is added to the initial | |
3724 | * discovery. | |
3725 | * When this parameter is set to non-zero value, initial Nport discovery is | |
3726 | * delayed by ra_tov seconds when Clean Address bit is cleared in FLOGI/FDISC | |
3727 | * accept and FCID/Fabric name/Fabric portname is changed. | |
3728 | * Driver always delay Nport discovery for subsequent FLOGI/FDISC completion | |
3729 | * when Clean Address bit is cleared in FLOGI/FDISC | |
3730 | * accept and FCID/Fabric name/Fabric portname is changed. | |
3731 | * Default value is 0. | |
3732 | */ | |
3733 | int lpfc_delay_discovery; | |
ab56dc2e | 3734 | module_param(lpfc_delay_discovery, int, S_IRUGO); |
92494144 JS |
3735 | MODULE_PARM_DESC(lpfc_delay_discovery, |
3736 | "Delay NPort discovery when Clean Address bit is cleared. " | |
3737 | "Allowed values: 0,1."); | |
81301a9b | 3738 | |
83108bd3 | 3739 | /* |
3621a710 | 3740 | * lpfc_sg_seg_cnt - Initial Maximum DMA Segment Count |
83108bd3 JS |
3741 | * This value can be set to values between 64 and 256. The default value is |
3742 | * 64, but may be increased to allow for larger Max I/O sizes. The scsi layer | |
3743 | * will be allowed to request I/Os of sizes up to (MAX_SEG_COUNT * SEG_SIZE). | |
3744 | */ | |
3745 | LPFC_ATTR_R(sg_seg_cnt, LPFC_DEFAULT_SG_SEG_CNT, LPFC_DEFAULT_SG_SEG_CNT, | |
3746 | LPFC_MAX_SG_SEG_CNT, "Max Scatter Gather Segment Count"); | |
3747 | ||
81301a9b JS |
3748 | LPFC_ATTR_R(prot_sg_seg_cnt, LPFC_DEFAULT_PROT_SG_SEG_CNT, |
3749 | LPFC_DEFAULT_PROT_SG_SEG_CNT, LPFC_MAX_PROT_SG_SEG_CNT, | |
3750 | "Max Protection Scatter Gather Segment Count"); | |
3751 | ||
ee959b00 | 3752 | struct device_attribute *lpfc_hba_attrs[] = { |
81301a9b JS |
3753 | &dev_attr_bg_info, |
3754 | &dev_attr_bg_guard_err, | |
3755 | &dev_attr_bg_apptag_err, | |
3756 | &dev_attr_bg_reftag_err, | |
ee959b00 TJ |
3757 | &dev_attr_info, |
3758 | &dev_attr_serialnum, | |
3759 | &dev_attr_modeldesc, | |
3760 | &dev_attr_modelname, | |
3761 | &dev_attr_programtype, | |
3762 | &dev_attr_portnum, | |
3763 | &dev_attr_fwrev, | |
3764 | &dev_attr_hdw, | |
3765 | &dev_attr_option_rom_version, | |
bbd1ae41 | 3766 | &dev_attr_link_state, |
ee959b00 | 3767 | &dev_attr_num_discovered_ports, |
84774a4d | 3768 | &dev_attr_menlo_mgmt_mode, |
ee959b00 | 3769 | &dev_attr_lpfc_drvr_version, |
45ed1190 | 3770 | &dev_attr_lpfc_enable_fip, |
ee959b00 TJ |
3771 | &dev_attr_lpfc_temp_sensor, |
3772 | &dev_attr_lpfc_log_verbose, | |
3773 | &dev_attr_lpfc_lun_queue_depth, | |
7dc517df | 3774 | &dev_attr_lpfc_tgt_queue_depth, |
ee959b00 TJ |
3775 | &dev_attr_lpfc_hba_queue_depth, |
3776 | &dev_attr_lpfc_peer_port_login, | |
3777 | &dev_attr_lpfc_nodev_tmo, | |
3778 | &dev_attr_lpfc_devloss_tmo, | |
3779 | &dev_attr_lpfc_fcp_class, | |
3780 | &dev_attr_lpfc_use_adisc, | |
3781 | &dev_attr_lpfc_ack0, | |
3782 | &dev_attr_lpfc_topology, | |
3783 | &dev_attr_lpfc_scan_down, | |
3784 | &dev_attr_lpfc_link_speed, | |
3785 | &dev_attr_lpfc_cr_delay, | |
3786 | &dev_attr_lpfc_cr_count, | |
3787 | &dev_attr_lpfc_multi_ring_support, | |
3788 | &dev_attr_lpfc_multi_ring_rctl, | |
3789 | &dev_attr_lpfc_multi_ring_type, | |
3790 | &dev_attr_lpfc_fdmi_on, | |
3791 | &dev_attr_lpfc_max_luns, | |
3792 | &dev_attr_lpfc_enable_npiv, | |
7d791df7 | 3793 | &dev_attr_lpfc_fcf_failover_policy, |
19ca7609 | 3794 | &dev_attr_lpfc_enable_rrq, |
ee959b00 TJ |
3795 | &dev_attr_nport_evt_cnt, |
3796 | &dev_attr_board_mode, | |
3797 | &dev_attr_max_vpi, | |
3798 | &dev_attr_used_vpi, | |
3799 | &dev_attr_max_rpi, | |
3800 | &dev_attr_used_rpi, | |
3801 | &dev_attr_max_xri, | |
3802 | &dev_attr_used_xri, | |
3803 | &dev_attr_npiv_info, | |
3804 | &dev_attr_issue_reset, | |
3805 | &dev_attr_lpfc_poll, | |
3806 | &dev_attr_lpfc_poll_tmo, | |
3807 | &dev_attr_lpfc_use_msi, | |
da0436e9 JS |
3808 | &dev_attr_lpfc_fcp_imax, |
3809 | &dev_attr_lpfc_fcp_wq_count, | |
3810 | &dev_attr_lpfc_fcp_eq_count, | |
81301a9b | 3811 | &dev_attr_lpfc_enable_bg, |
ee959b00 TJ |
3812 | &dev_attr_lpfc_soft_wwnn, |
3813 | &dev_attr_lpfc_soft_wwpn, | |
3814 | &dev_attr_lpfc_soft_wwn_enable, | |
3815 | &dev_attr_lpfc_enable_hba_reset, | |
3816 | &dev_attr_lpfc_enable_hba_heartbeat, | |
3817 | &dev_attr_lpfc_sg_seg_cnt, | |
977b5a0a | 3818 | &dev_attr_lpfc_max_scsicmpl_time, |
ea2151b4 | 3819 | &dev_attr_lpfc_stat_data_ctrl, |
81301a9b | 3820 | &dev_attr_lpfc_prot_sg_seg_cnt, |
0d878419 JS |
3821 | &dev_attr_lpfc_aer_support, |
3822 | &dev_attr_lpfc_aer_state_cleanup, | |
912e3acd | 3823 | &dev_attr_lpfc_sriov_nr_virtfn, |
84d1b006 | 3824 | &dev_attr_lpfc_suppress_link_up, |
2a9bf3d0 JS |
3825 | &dev_attr_lpfc_iocb_cnt, |
3826 | &dev_attr_iocb_hw, | |
3827 | &dev_attr_txq_hw, | |
3828 | &dev_attr_txcmplq_hw, | |
bc73905a JS |
3829 | &dev_attr_lpfc_fips_level, |
3830 | &dev_attr_lpfc_fips_rev, | |
ab56dc2e | 3831 | &dev_attr_lpfc_dss, |
912e3acd | 3832 | &dev_attr_lpfc_sriov_hw_max_virtfn, |
dea3101e | 3833 | NULL, |
3834 | }; | |
3835 | ||
ee959b00 TJ |
3836 | struct device_attribute *lpfc_vport_attrs[] = { |
3837 | &dev_attr_info, | |
bbd1ae41 | 3838 | &dev_attr_link_state, |
ee959b00 TJ |
3839 | &dev_attr_num_discovered_ports, |
3840 | &dev_attr_lpfc_drvr_version, | |
3841 | &dev_attr_lpfc_log_verbose, | |
3842 | &dev_attr_lpfc_lun_queue_depth, | |
7dc517df | 3843 | &dev_attr_lpfc_tgt_queue_depth, |
ee959b00 TJ |
3844 | &dev_attr_lpfc_nodev_tmo, |
3845 | &dev_attr_lpfc_devloss_tmo, | |
3846 | &dev_attr_lpfc_hba_queue_depth, | |
3847 | &dev_attr_lpfc_peer_port_login, | |
3848 | &dev_attr_lpfc_restrict_login, | |
3849 | &dev_attr_lpfc_fcp_class, | |
3850 | &dev_attr_lpfc_use_adisc, | |
3851 | &dev_attr_lpfc_fdmi_on, | |
3852 | &dev_attr_lpfc_max_luns, | |
3853 | &dev_attr_nport_evt_cnt, | |
3854 | &dev_attr_npiv_info, | |
3855 | &dev_attr_lpfc_enable_da_id, | |
ea2151b4 JS |
3856 | &dev_attr_lpfc_max_scsicmpl_time, |
3857 | &dev_attr_lpfc_stat_data_ctrl, | |
21e9a0a5 | 3858 | &dev_attr_lpfc_static_vport, |
bc73905a JS |
3859 | &dev_attr_lpfc_fips_level, |
3860 | &dev_attr_lpfc_fips_rev, | |
3de2a653 JS |
3861 | NULL, |
3862 | }; | |
3863 | ||
e59058c4 | 3864 | /** |
3621a710 | 3865 | * sysfs_ctlreg_write - Write method for writing to ctlreg |
2c3c8bea | 3866 | * @filp: open sysfs file |
e59058c4 JS |
3867 | * @kobj: kernel kobject that contains the kernel class device. |
3868 | * @bin_attr: kernel attributes passed to us. | |
3869 | * @buf: contains the data to be written to the adapter IOREG space. | |
3870 | * @off: offset into buffer to beginning of data. | |
3871 | * @count: bytes to transfer. | |
3872 | * | |
3873 | * Description: | |
3874 | * Accessed via /sys/class/scsi_host/hostxxx/ctlreg. | |
3875 | * Uses the adapter io control registers to send buf contents to the adapter. | |
3876 | * | |
3877 | * Returns: | |
3878 | * -ERANGE off and count combo out of range | |
3879 | * -EINVAL off, count or buff address invalid | |
3880 | * -EPERM adapter is offline | |
3881 | * value of count, buf contents written | |
3882 | **/ | |
dea3101e | 3883 | static ssize_t |
2c3c8bea CW |
3884 | sysfs_ctlreg_write(struct file *filp, struct kobject *kobj, |
3885 | struct bin_attribute *bin_attr, | |
91a69029 | 3886 | char *buf, loff_t off, size_t count) |
dea3101e | 3887 | { |
3888 | size_t buf_off; | |
ee959b00 TJ |
3889 | struct device *dev = container_of(kobj, struct device, kobj); |
3890 | struct Scsi_Host *shost = class_to_shost(dev); | |
2e0fef85 JS |
3891 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3892 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 3893 | |
f1126688 JS |
3894 | if (phba->sli_rev >= LPFC_SLI_REV4) |
3895 | return -EPERM; | |
3896 | ||
dea3101e | 3897 | if ((off + count) > FF_REG_AREA_SIZE) |
3898 | return -ERANGE; | |
3899 | ||
f7a919b4 JS |
3900 | if (count <= LPFC_REG_WRITE_KEY_SIZE) |
3901 | return 0; | |
dea3101e | 3902 | |
3903 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
3904 | return -EINVAL; | |
3905 | ||
f7a919b4 JS |
3906 | /* This is to protect HBA registers from accidental writes. */ |
3907 | if (memcmp(buf, LPFC_REG_WRITE_KEY, LPFC_REG_WRITE_KEY_SIZE)) | |
3908 | return -EINVAL; | |
3909 | ||
3910 | if (!(vport->fc_flag & FC_OFFLINE_MODE)) | |
dea3101e | 3911 | return -EPERM; |
dea3101e | 3912 | |
2e0fef85 | 3913 | spin_lock_irq(&phba->hbalock); |
f7a919b4 JS |
3914 | for (buf_off = 0; buf_off < count - LPFC_REG_WRITE_KEY_SIZE; |
3915 | buf_off += sizeof(uint32_t)) | |
3916 | writel(*((uint32_t *)(buf + buf_off + LPFC_REG_WRITE_KEY_SIZE)), | |
dea3101e | 3917 | phba->ctrl_regs_memmap_p + off + buf_off); |
3918 | ||
2e0fef85 | 3919 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3920 | |
3921 | return count; | |
3922 | } | |
3923 | ||
e59058c4 | 3924 | /** |
3621a710 | 3925 | * sysfs_ctlreg_read - Read method for reading from ctlreg |
2c3c8bea | 3926 | * @filp: open sysfs file |
e59058c4 JS |
3927 | * @kobj: kernel kobject that contains the kernel class device. |
3928 | * @bin_attr: kernel attributes passed to us. | |
af901ca1 | 3929 | * @buf: if successful contains the data from the adapter IOREG space. |
e59058c4 JS |
3930 | * @off: offset into buffer to beginning of data. |
3931 | * @count: bytes to transfer. | |
3932 | * | |
3933 | * Description: | |
3934 | * Accessed via /sys/class/scsi_host/hostxxx/ctlreg. | |
3935 | * Uses the adapter io control registers to read data into buf. | |
3936 | * | |
3937 | * Returns: | |
3938 | * -ERANGE off and count combo out of range | |
3939 | * -EINVAL off, count or buff address invalid | |
3940 | * value of count, buf contents read | |
3941 | **/ | |
dea3101e | 3942 | static ssize_t |
2c3c8bea CW |
3943 | sysfs_ctlreg_read(struct file *filp, struct kobject *kobj, |
3944 | struct bin_attribute *bin_attr, | |
91a69029 | 3945 | char *buf, loff_t off, size_t count) |
dea3101e | 3946 | { |
3947 | size_t buf_off; | |
3948 | uint32_t * tmp_ptr; | |
ee959b00 TJ |
3949 | struct device *dev = container_of(kobj, struct device, kobj); |
3950 | struct Scsi_Host *shost = class_to_shost(dev); | |
2e0fef85 JS |
3951 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3952 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 3953 | |
f1126688 JS |
3954 | if (phba->sli_rev >= LPFC_SLI_REV4) |
3955 | return -EPERM; | |
3956 | ||
dea3101e | 3957 | if (off > FF_REG_AREA_SIZE) |
3958 | return -ERANGE; | |
3959 | ||
3960 | if ((off + count) > FF_REG_AREA_SIZE) | |
3961 | count = FF_REG_AREA_SIZE - off; | |
3962 | ||
3963 | if (count == 0) return 0; | |
3964 | ||
3965 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
3966 | return -EINVAL; | |
3967 | ||
2e0fef85 | 3968 | spin_lock_irq(&phba->hbalock); |
dea3101e | 3969 | |
3970 | for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) { | |
3971 | tmp_ptr = (uint32_t *)(buf + buf_off); | |
3972 | *tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off); | |
3973 | } | |
3974 | ||
2e0fef85 | 3975 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3976 | |
3977 | return count; | |
3978 | } | |
3979 | ||
3980 | static struct bin_attribute sysfs_ctlreg_attr = { | |
3981 | .attr = { | |
3982 | .name = "ctlreg", | |
3983 | .mode = S_IRUSR | S_IWUSR, | |
dea3101e | 3984 | }, |
3985 | .size = 256, | |
3986 | .read = sysfs_ctlreg_read, | |
3987 | .write = sysfs_ctlreg_write, | |
3988 | }; | |
3989 | ||
e59058c4 | 3990 | /** |
3621a710 | 3991 | * sysfs_mbox_idle - frees the sysfs mailbox |
e59058c4 JS |
3992 | * @phba: lpfc_hba pointer |
3993 | **/ | |
dea3101e | 3994 | static void |
2e0fef85 | 3995 | sysfs_mbox_idle(struct lpfc_hba *phba) |
dea3101e | 3996 | { |
3997 | phba->sysfs_mbox.state = SMBOX_IDLE; | |
3998 | phba->sysfs_mbox.offset = 0; | |
3999 | ||
4000 | if (phba->sysfs_mbox.mbox) { | |
4001 | mempool_free(phba->sysfs_mbox.mbox, | |
4002 | phba->mbox_mem_pool); | |
4003 | phba->sysfs_mbox.mbox = NULL; | |
4004 | } | |
4005 | } | |
4006 | ||
e59058c4 | 4007 | /** |
3621a710 | 4008 | * sysfs_mbox_write - Write method for writing information via mbox |
2c3c8bea | 4009 | * @filp: open sysfs file |
e59058c4 JS |
4010 | * @kobj: kernel kobject that contains the kernel class device. |
4011 | * @bin_attr: kernel attributes passed to us. | |
4012 | * @buf: contains the data to be written to sysfs mbox. | |
4013 | * @off: offset into buffer to beginning of data. | |
4014 | * @count: bytes to transfer. | |
4015 | * | |
4016 | * Description: | |
4017 | * Accessed via /sys/class/scsi_host/hostxxx/mbox. | |
4018 | * Uses the sysfs mbox to send buf contents to the adapter. | |
4019 | * | |
4020 | * Returns: | |
4021 | * -ERANGE off and count combo out of range | |
4022 | * -EINVAL off, count or buff address invalid | |
4023 | * zero if count is zero | |
4024 | * -EPERM adapter is offline | |
4025 | * -ENOMEM failed to allocate memory for the mail box | |
4026 | * -EAGAIN offset, state or mbox is NULL | |
4027 | * count number of bytes transferred | |
4028 | **/ | |
dea3101e | 4029 | static ssize_t |
2c3c8bea CW |
4030 | sysfs_mbox_write(struct file *filp, struct kobject *kobj, |
4031 | struct bin_attribute *bin_attr, | |
91a69029 | 4032 | char *buf, loff_t off, size_t count) |
dea3101e | 4033 | { |
ee959b00 TJ |
4034 | struct device *dev = container_of(kobj, struct device, kobj); |
4035 | struct Scsi_Host *shost = class_to_shost(dev); | |
2e0fef85 JS |
4036 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
4037 | struct lpfc_hba *phba = vport->phba; | |
4038 | struct lpfcMboxq *mbox = NULL; | |
dea3101e | 4039 | |
4040 | if ((count + off) > MAILBOX_CMD_SIZE) | |
4041 | return -ERANGE; | |
4042 | ||
4043 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
4044 | return -EINVAL; | |
4045 | ||
4046 | if (count == 0) | |
4047 | return 0; | |
4048 | ||
4049 | if (off == 0) { | |
4050 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
4051 | if (!mbox) | |
4052 | return -ENOMEM; | |
fc6c12bc | 4053 | memset(mbox, 0, sizeof (LPFC_MBOXQ_t)); |
dea3101e | 4054 | } |
4055 | ||
2e0fef85 | 4056 | spin_lock_irq(&phba->hbalock); |
dea3101e | 4057 | |
4058 | if (off == 0) { | |
4059 | if (phba->sysfs_mbox.mbox) | |
4060 | mempool_free(mbox, phba->mbox_mem_pool); | |
4061 | else | |
4062 | phba->sysfs_mbox.mbox = mbox; | |
4063 | phba->sysfs_mbox.state = SMBOX_WRITING; | |
4064 | } else { | |
4065 | if (phba->sysfs_mbox.state != SMBOX_WRITING || | |
4066 | phba->sysfs_mbox.offset != off || | |
92d7f7b0 | 4067 | phba->sysfs_mbox.mbox == NULL) { |
dea3101e | 4068 | sysfs_mbox_idle(phba); |
2e0fef85 | 4069 | spin_unlock_irq(&phba->hbalock); |
8f6d98d2 | 4070 | return -EAGAIN; |
dea3101e | 4071 | } |
4072 | } | |
4073 | ||
04c68496 | 4074 | memcpy((uint8_t *) &phba->sysfs_mbox.mbox->u.mb + off, |
dea3101e | 4075 | buf, count); |
4076 | ||
4077 | phba->sysfs_mbox.offset = off + count; | |
4078 | ||
2e0fef85 | 4079 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 4080 | |
4081 | return count; | |
4082 | } | |
4083 | ||
e59058c4 | 4084 | /** |
3621a710 | 4085 | * sysfs_mbox_read - Read method for reading information via mbox |
2c3c8bea | 4086 | * @filp: open sysfs file |
e59058c4 JS |
4087 | * @kobj: kernel kobject that contains the kernel class device. |
4088 | * @bin_attr: kernel attributes passed to us. | |
4089 | * @buf: contains the data to be read from sysfs mbox. | |
4090 | * @off: offset into buffer to beginning of data. | |
4091 | * @count: bytes to transfer. | |
4092 | * | |
4093 | * Description: | |
4094 | * Accessed via /sys/class/scsi_host/hostxxx/mbox. | |
4095 | * Uses the sysfs mbox to receive data from to the adapter. | |
4096 | * | |
4097 | * Returns: | |
4098 | * -ERANGE off greater than mailbox command size | |
4099 | * -EINVAL off, count or buff address invalid | |
4100 | * zero if off and count are zero | |
4101 | * -EACCES adapter over temp | |
4102 | * -EPERM garbage can value to catch a multitude of errors | |
4103 | * -EAGAIN management IO not permitted, state or off error | |
4104 | * -ETIME mailbox timeout | |
4105 | * -ENODEV mailbox error | |
4106 | * count number of bytes transferred | |
4107 | **/ | |
dea3101e | 4108 | static ssize_t |
2c3c8bea CW |
4109 | sysfs_mbox_read(struct file *filp, struct kobject *kobj, |
4110 | struct bin_attribute *bin_attr, | |
91a69029 | 4111 | char *buf, loff_t off, size_t count) |
dea3101e | 4112 | { |
ee959b00 TJ |
4113 | struct device *dev = container_of(kobj, struct device, kobj); |
4114 | struct Scsi_Host *shost = class_to_shost(dev); | |
2e0fef85 JS |
4115 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
4116 | struct lpfc_hba *phba = vport->phba; | |
a183a15f | 4117 | LPFC_MBOXQ_t *mboxq; |
04c68496 | 4118 | MAILBOX_t *pmb; |
a183a15f JS |
4119 | uint32_t mbox_tmo; |
4120 | int rc; | |
dea3101e | 4121 | |
1dcb58e5 | 4122 | if (off > MAILBOX_CMD_SIZE) |
dea3101e | 4123 | return -ERANGE; |
4124 | ||
1dcb58e5 JS |
4125 | if ((count + off) > MAILBOX_CMD_SIZE) |
4126 | count = MAILBOX_CMD_SIZE - off; | |
dea3101e | 4127 | |
4128 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
4129 | return -EINVAL; | |
4130 | ||
4131 | if (off && count == 0) | |
4132 | return 0; | |
4133 | ||
2e0fef85 | 4134 | spin_lock_irq(&phba->hbalock); |
dea3101e | 4135 | |
7af67051 JS |
4136 | if (phba->over_temp_state == HBA_OVER_TEMP) { |
4137 | sysfs_mbox_idle(phba); | |
4138 | spin_unlock_irq(&phba->hbalock); | |
09372820 | 4139 | return -EACCES; |
7af67051 JS |
4140 | } |
4141 | ||
dea3101e | 4142 | if (off == 0 && |
4143 | phba->sysfs_mbox.state == SMBOX_WRITING && | |
4144 | phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) { | |
a183a15f JS |
4145 | mboxq = (LPFC_MBOXQ_t *)&phba->sysfs_mbox.mbox; |
4146 | pmb = &mboxq->u.mb; | |
04c68496 | 4147 | switch (pmb->mbxCommand) { |
dea3101e | 4148 | /* Offline only */ |
dea3101e | 4149 | case MBX_INIT_LINK: |
4150 | case MBX_DOWN_LINK: | |
4151 | case MBX_CONFIG_LINK: | |
4152 | case MBX_CONFIG_RING: | |
4153 | case MBX_RESET_RING: | |
4154 | case MBX_UNREG_LOGIN: | |
4155 | case MBX_CLEAR_LA: | |
4156 | case MBX_DUMP_CONTEXT: | |
4157 | case MBX_RUN_DIAGS: | |
4158 | case MBX_RESTART: | |
dea3101e | 4159 | case MBX_SET_MASK: |
dea3101e | 4160 | case MBX_SET_DEBUG: |
2e0fef85 | 4161 | if (!(vport->fc_flag & FC_OFFLINE_MODE)) { |
dea3101e | 4162 | printk(KERN_WARNING "mbox_read:Command 0x%x " |
4163 | "is illegal in on-line state\n", | |
04c68496 | 4164 | pmb->mbxCommand); |
dea3101e | 4165 | sysfs_mbox_idle(phba); |
2e0fef85 | 4166 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 4167 | return -EPERM; |
4168 | } | |
a8adb832 JS |
4169 | case MBX_WRITE_NV: |
4170 | case MBX_WRITE_VPARMS: | |
dea3101e | 4171 | case MBX_LOAD_SM: |
4172 | case MBX_READ_NV: | |
4173 | case MBX_READ_CONFIG: | |
4174 | case MBX_READ_RCONFIG: | |
4175 | case MBX_READ_STATUS: | |
4176 | case MBX_READ_XRI: | |
4177 | case MBX_READ_REV: | |
4178 | case MBX_READ_LNK_STAT: | |
4179 | case MBX_DUMP_MEMORY: | |
4180 | case MBX_DOWN_LOAD: | |
4181 | case MBX_UPDATE_CFG: | |
41415862 | 4182 | case MBX_KILL_BOARD: |
dea3101e | 4183 | case MBX_LOAD_AREA: |
4184 | case MBX_LOAD_EXP_ROM: | |
41415862 JW |
4185 | case MBX_BEACON: |
4186 | case MBX_DEL_LD_ENTRY: | |
09372820 JS |
4187 | case MBX_SET_VARIABLE: |
4188 | case MBX_WRITE_WWN: | |
84774a4d JS |
4189 | case MBX_PORT_CAPABILITIES: |
4190 | case MBX_PORT_IOV_CONTROL: | |
dea3101e | 4191 | break; |
dcf2a4e0 JS |
4192 | case MBX_SECURITY_MGMT: |
4193 | case MBX_AUTH_PORT: | |
5989b8d4 JS |
4194 | if (phba->pci_dev_grp == LPFC_PCI_DEV_OC) { |
4195 | printk(KERN_WARNING "mbox_read:Command 0x%x " | |
4196 | "is not permitted\n", pmb->mbxCommand); | |
4197 | sysfs_mbox_idle(phba); | |
4198 | spin_unlock_irq(&phba->hbalock); | |
dcf2a4e0 | 4199 | return -EPERM; |
5989b8d4 | 4200 | } |
dcf2a4e0 | 4201 | break; |
dea3101e | 4202 | case MBX_READ_SPARM64: |
76a95d75 | 4203 | case MBX_READ_TOPOLOGY: |
dea3101e | 4204 | case MBX_REG_LOGIN: |
4205 | case MBX_REG_LOGIN64: | |
4206 | case MBX_CONFIG_PORT: | |
4207 | case MBX_RUN_BIU_DIAG: | |
4208 | printk(KERN_WARNING "mbox_read: Illegal Command 0x%x\n", | |
04c68496 | 4209 | pmb->mbxCommand); |
dea3101e | 4210 | sysfs_mbox_idle(phba); |
2e0fef85 | 4211 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 4212 | return -EPERM; |
4213 | default: | |
4214 | printk(KERN_WARNING "mbox_read: Unknown Command 0x%x\n", | |
04c68496 | 4215 | pmb->mbxCommand); |
dea3101e | 4216 | sysfs_mbox_idle(phba); |
2e0fef85 | 4217 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 4218 | return -EPERM; |
4219 | } | |
4220 | ||
09372820 | 4221 | /* If HBA encountered an error attention, allow only DUMP |
1b32f6aa | 4222 | * or RESTART mailbox commands until the HBA is restarted. |
09372820 | 4223 | */ |
d7c255b2 | 4224 | if (phba->pport->stopped && |
04c68496 JS |
4225 | pmb->mbxCommand != MBX_DUMP_MEMORY && |
4226 | pmb->mbxCommand != MBX_RESTART && | |
4227 | pmb->mbxCommand != MBX_WRITE_VPARMS && | |
4228 | pmb->mbxCommand != MBX_WRITE_WWN) | |
d7c255b2 JS |
4229 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, |
4230 | "1259 mbox: Issued mailbox cmd " | |
4231 | "0x%x while in stopped state.\n", | |
04c68496 | 4232 | pmb->mbxCommand); |
09372820 | 4233 | |
92d7f7b0 JS |
4234 | phba->sysfs_mbox.mbox->vport = vport; |
4235 | ||
58da1ffb JS |
4236 | /* Don't allow mailbox commands to be sent when blocked |
4237 | * or when in the middle of discovery | |
4238 | */ | |
495a714c | 4239 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) { |
46fa311e | 4240 | sysfs_mbox_idle(phba); |
2e0fef85 | 4241 | spin_unlock_irq(&phba->hbalock); |
46fa311e JS |
4242 | return -EAGAIN; |
4243 | } | |
4244 | ||
2e0fef85 | 4245 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
f4b4c68f | 4246 | (!(phba->sli.sli_flag & LPFC_SLI_ACTIVE))) { |
dea3101e | 4247 | |
2e0fef85 | 4248 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 4249 | rc = lpfc_sli_issue_mbox (phba, |
4250 | phba->sysfs_mbox.mbox, | |
4251 | MBX_POLL); | |
2e0fef85 | 4252 | spin_lock_irq(&phba->hbalock); |
dea3101e | 4253 | |
4254 | } else { | |
2e0fef85 | 4255 | spin_unlock_irq(&phba->hbalock); |
a183a15f JS |
4256 | mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq); |
4257 | rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo); | |
2e0fef85 | 4258 | spin_lock_irq(&phba->hbalock); |
dea3101e | 4259 | } |
4260 | ||
4261 | if (rc != MBX_SUCCESS) { | |
1dcb58e5 | 4262 | if (rc == MBX_TIMEOUT) { |
1dcb58e5 JS |
4263 | phba->sysfs_mbox.mbox = NULL; |
4264 | } | |
dea3101e | 4265 | sysfs_mbox_idle(phba); |
2e0fef85 | 4266 | spin_unlock_irq(&phba->hbalock); |
8f6d98d2 | 4267 | return (rc == MBX_TIMEOUT) ? -ETIME : -ENODEV; |
dea3101e | 4268 | } |
4269 | phba->sysfs_mbox.state = SMBOX_READING; | |
4270 | } | |
4271 | else if (phba->sysfs_mbox.offset != off || | |
4272 | phba->sysfs_mbox.state != SMBOX_READING) { | |
4273 | printk(KERN_WARNING "mbox_read: Bad State\n"); | |
4274 | sysfs_mbox_idle(phba); | |
2e0fef85 | 4275 | spin_unlock_irq(&phba->hbalock); |
8f6d98d2 | 4276 | return -EAGAIN; |
dea3101e | 4277 | } |
4278 | ||
04c68496 | 4279 | memcpy(buf, (uint8_t *) &pmb + off, count); |
dea3101e | 4280 | |
4281 | phba->sysfs_mbox.offset = off + count; | |
4282 | ||
1dcb58e5 | 4283 | if (phba->sysfs_mbox.offset == MAILBOX_CMD_SIZE) |
dea3101e | 4284 | sysfs_mbox_idle(phba); |
4285 | ||
2e0fef85 | 4286 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 4287 | |
4288 | return count; | |
4289 | } | |
4290 | ||
4291 | static struct bin_attribute sysfs_mbox_attr = { | |
4292 | .attr = { | |
4293 | .name = "mbox", | |
4294 | .mode = S_IRUSR | S_IWUSR, | |
dea3101e | 4295 | }, |
c0c11512 | 4296 | .size = MAILBOX_SYSFS_MAX, |
dea3101e | 4297 | .read = sysfs_mbox_read, |
4298 | .write = sysfs_mbox_write, | |
4299 | }; | |
4300 | ||
e59058c4 | 4301 | /** |
3621a710 | 4302 | * lpfc_alloc_sysfs_attr - Creates the ctlreg and mbox entries |
e59058c4 JS |
4303 | * @vport: address of lpfc vport structure. |
4304 | * | |
4305 | * Return codes: | |
4306 | * zero on success | |
4307 | * error return code from sysfs_create_bin_file() | |
4308 | **/ | |
dea3101e | 4309 | int |
2e0fef85 | 4310 | lpfc_alloc_sysfs_attr(struct lpfc_vport *vport) |
dea3101e | 4311 | { |
2e0fef85 | 4312 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 4313 | int error; |
4314 | ||
ee959b00 | 4315 | error = sysfs_create_bin_file(&shost->shost_dev.kobj, |
eada272d JS |
4316 | &sysfs_drvr_stat_data_attr); |
4317 | ||
4318 | /* Virtual ports do not need ctrl_reg and mbox */ | |
4319 | if (error || vport->port_type == LPFC_NPIV_PORT) | |
dea3101e | 4320 | goto out; |
4321 | ||
ee959b00 | 4322 | error = sysfs_create_bin_file(&shost->shost_dev.kobj, |
eada272d | 4323 | &sysfs_ctlreg_attr); |
dea3101e | 4324 | if (error) |
eada272d | 4325 | goto out_remove_stat_attr; |
dea3101e | 4326 | |
ea2151b4 | 4327 | error = sysfs_create_bin_file(&shost->shost_dev.kobj, |
eada272d | 4328 | &sysfs_mbox_attr); |
ea2151b4 | 4329 | if (error) |
eada272d | 4330 | goto out_remove_ctlreg_attr; |
ea2151b4 | 4331 | |
dea3101e | 4332 | return 0; |
4333 | out_remove_ctlreg_attr: | |
ee959b00 | 4334 | sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr); |
eada272d JS |
4335 | out_remove_stat_attr: |
4336 | sysfs_remove_bin_file(&shost->shost_dev.kobj, | |
4337 | &sysfs_drvr_stat_data_attr); | |
dea3101e | 4338 | out: |
4339 | return error; | |
4340 | } | |
4341 | ||
e59058c4 | 4342 | /** |
3621a710 | 4343 | * lpfc_free_sysfs_attr - Removes the ctlreg and mbox entries |
e59058c4 JS |
4344 | * @vport: address of lpfc vport structure. |
4345 | **/ | |
dea3101e | 4346 | void |
2e0fef85 | 4347 | lpfc_free_sysfs_attr(struct lpfc_vport *vport) |
dea3101e | 4348 | { |
2e0fef85 | 4349 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
ea2151b4 JS |
4350 | sysfs_remove_bin_file(&shost->shost_dev.kobj, |
4351 | &sysfs_drvr_stat_data_attr); | |
eada272d JS |
4352 | /* Virtual ports do not need ctrl_reg and mbox */ |
4353 | if (vport->port_type == LPFC_NPIV_PORT) | |
4354 | return; | |
ee959b00 TJ |
4355 | sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_mbox_attr); |
4356 | sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr); | |
dea3101e | 4357 | } |
4358 | ||
4359 | ||
4360 | /* | |
4361 | * Dynamic FC Host Attributes Support | |
4362 | */ | |
4363 | ||
e59058c4 | 4364 | /** |
3621a710 | 4365 | * lpfc_get_host_port_id - Copy the vport DID into the scsi host port id |
e59058c4 JS |
4366 | * @shost: kernel scsi host pointer. |
4367 | **/ | |
dea3101e | 4368 | static void |
4369 | lpfc_get_host_port_id(struct Scsi_Host *shost) | |
4370 | { | |
2e0fef85 JS |
4371 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
4372 | ||
dea3101e | 4373 | /* note: fc_myDID already in cpu endianness */ |
2e0fef85 | 4374 | fc_host_port_id(shost) = vport->fc_myDID; |
dea3101e | 4375 | } |
4376 | ||
e59058c4 | 4377 | /** |
3621a710 | 4378 | * lpfc_get_host_port_type - Set the value of the scsi host port type |
e59058c4 JS |
4379 | * @shost: kernel scsi host pointer. |
4380 | **/ | |
dea3101e | 4381 | static void |
4382 | lpfc_get_host_port_type(struct Scsi_Host *shost) | |
4383 | { | |
2e0fef85 JS |
4384 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
4385 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 4386 | |
4387 | spin_lock_irq(shost->host_lock); | |
4388 | ||
92d7f7b0 JS |
4389 | if (vport->port_type == LPFC_NPIV_PORT) { |
4390 | fc_host_port_type(shost) = FC_PORTTYPE_NPIV; | |
4391 | } else if (lpfc_is_link_up(phba)) { | |
76a95d75 | 4392 | if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { |
2e0fef85 | 4393 | if (vport->fc_flag & FC_PUBLIC_LOOP) |
dea3101e | 4394 | fc_host_port_type(shost) = FC_PORTTYPE_NLPORT; |
4395 | else | |
4396 | fc_host_port_type(shost) = FC_PORTTYPE_LPORT; | |
4397 | } else { | |
2e0fef85 | 4398 | if (vport->fc_flag & FC_FABRIC) |
dea3101e | 4399 | fc_host_port_type(shost) = FC_PORTTYPE_NPORT; |
4400 | else | |
4401 | fc_host_port_type(shost) = FC_PORTTYPE_PTP; | |
4402 | } | |
4403 | } else | |
4404 | fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN; | |
4405 | ||
4406 | spin_unlock_irq(shost->host_lock); | |
4407 | } | |
4408 | ||
e59058c4 | 4409 | /** |
3621a710 | 4410 | * lpfc_get_host_port_state - Set the value of the scsi host port state |
e59058c4 JS |
4411 | * @shost: kernel scsi host pointer. |
4412 | **/ | |
dea3101e | 4413 | static void |
4414 | lpfc_get_host_port_state(struct Scsi_Host *shost) | |
4415 | { | |
2e0fef85 JS |
4416 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
4417 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 4418 | |
4419 | spin_lock_irq(shost->host_lock); | |
4420 | ||
2e0fef85 | 4421 | if (vport->fc_flag & FC_OFFLINE_MODE) |
dea3101e | 4422 | fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE; |
4423 | else { | |
2e0fef85 JS |
4424 | switch (phba->link_state) { |
4425 | case LPFC_LINK_UNKNOWN: | |
dea3101e | 4426 | case LPFC_LINK_DOWN: |
4427 | fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN; | |
4428 | break; | |
4429 | case LPFC_LINK_UP: | |
dea3101e | 4430 | case LPFC_CLEAR_LA: |
4431 | case LPFC_HBA_READY: | |
4432 | /* Links up, beyond this port_type reports state */ | |
4433 | fc_host_port_state(shost) = FC_PORTSTATE_ONLINE; | |
4434 | break; | |
4435 | case LPFC_HBA_ERROR: | |
4436 | fc_host_port_state(shost) = FC_PORTSTATE_ERROR; | |
4437 | break; | |
4438 | default: | |
4439 | fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN; | |
4440 | break; | |
4441 | } | |
4442 | } | |
4443 | ||
4444 | spin_unlock_irq(shost->host_lock); | |
4445 | } | |
4446 | ||
e59058c4 | 4447 | /** |
3621a710 | 4448 | * lpfc_get_host_speed - Set the value of the scsi host speed |
e59058c4 JS |
4449 | * @shost: kernel scsi host pointer. |
4450 | **/ | |
dea3101e | 4451 | static void |
4452 | lpfc_get_host_speed(struct Scsi_Host *shost) | |
4453 | { | |
2e0fef85 JS |
4454 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
4455 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 4456 | |
4457 | spin_lock_irq(shost->host_lock); | |
4458 | ||
2e0fef85 | 4459 | if (lpfc_is_link_up(phba)) { |
dea3101e | 4460 | switch(phba->fc_linkspeed) { |
76a95d75 JS |
4461 | case LPFC_LINK_SPEED_1GHZ: |
4462 | fc_host_speed(shost) = FC_PORTSPEED_1GBIT; | |
dea3101e | 4463 | break; |
76a95d75 JS |
4464 | case LPFC_LINK_SPEED_2GHZ: |
4465 | fc_host_speed(shost) = FC_PORTSPEED_2GBIT; | |
dea3101e | 4466 | break; |
76a95d75 JS |
4467 | case LPFC_LINK_SPEED_4GHZ: |
4468 | fc_host_speed(shost) = FC_PORTSPEED_4GBIT; | |
dea3101e | 4469 | break; |
76a95d75 JS |
4470 | case LPFC_LINK_SPEED_8GHZ: |
4471 | fc_host_speed(shost) = FC_PORTSPEED_8GBIT; | |
b87eab38 | 4472 | break; |
76a95d75 JS |
4473 | case LPFC_LINK_SPEED_10GHZ: |
4474 | fc_host_speed(shost) = FC_PORTSPEED_10GBIT; | |
f4b4c68f | 4475 | break; |
76a95d75 JS |
4476 | case LPFC_LINK_SPEED_16GHZ: |
4477 | fc_host_speed(shost) = FC_PORTSPEED_16GBIT; | |
4478 | break; | |
4479 | default: | |
4480 | fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN; | |
dea3101e | 4481 | break; |
4482 | } | |
09372820 JS |
4483 | } else |
4484 | fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN; | |
dea3101e | 4485 | |
4486 | spin_unlock_irq(shost->host_lock); | |
4487 | } | |
4488 | ||
e59058c4 | 4489 | /** |
3621a710 | 4490 | * lpfc_get_host_fabric_name - Set the value of the scsi host fabric name |
e59058c4 JS |
4491 | * @shost: kernel scsi host pointer. |
4492 | **/ | |
dea3101e | 4493 | static void |
4494 | lpfc_get_host_fabric_name (struct Scsi_Host *shost) | |
4495 | { | |
2e0fef85 JS |
4496 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
4497 | struct lpfc_hba *phba = vport->phba; | |
f631b4be | 4498 | u64 node_name; |
dea3101e | 4499 | |
4500 | spin_lock_irq(shost->host_lock); | |
4501 | ||
73d91e50 JS |
4502 | if ((vport->port_state > LPFC_FLOGI) && |
4503 | ((vport->fc_flag & FC_FABRIC) || | |
4504 | ((phba->fc_topology == LPFC_TOPOLOGY_LOOP) && | |
4505 | (vport->fc_flag & FC_PUBLIC_LOOP)))) | |
68ce1eb5 | 4506 | node_name = wwn_to_u64(phba->fc_fabparam.nodeName.u.wwn); |
dea3101e | 4507 | else |
4508 | /* fabric is local port if there is no F/FL_Port */ | |
09372820 | 4509 | node_name = 0; |
dea3101e | 4510 | |
4511 | spin_unlock_irq(shost->host_lock); | |
4512 | ||
f631b4be | 4513 | fc_host_fabric_name(shost) = node_name; |
dea3101e | 4514 | } |
4515 | ||
e59058c4 | 4516 | /** |
3621a710 | 4517 | * lpfc_get_stats - Return statistical information about the adapter |
e59058c4 JS |
4518 | * @shost: kernel scsi host pointer. |
4519 | * | |
4520 | * Notes: | |
4521 | * NULL on error for link down, no mbox pool, sli2 active, | |
4522 | * management not allowed, memory allocation error, or mbox error. | |
4523 | * | |
4524 | * Returns: | |
4525 | * NULL for error | |
4526 | * address of the adapter host statistics | |
4527 | **/ | |
dea3101e | 4528 | static struct fc_host_statistics * |
4529 | lpfc_get_stats(struct Scsi_Host *shost) | |
4530 | { | |
2e0fef85 JS |
4531 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
4532 | struct lpfc_hba *phba = vport->phba; | |
4533 | struct lpfc_sli *psli = &phba->sli; | |
f888ba3c | 4534 | struct fc_host_statistics *hs = &phba->link_stats; |
64ba8818 | 4535 | struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets; |
dea3101e | 4536 | LPFC_MBOXQ_t *pmboxq; |
4537 | MAILBOX_t *pmb; | |
64ba8818 | 4538 | unsigned long seconds; |
433c3579 | 4539 | int rc = 0; |
dea3101e | 4540 | |
92d7f7b0 JS |
4541 | /* |
4542 | * prevent udev from issuing mailbox commands until the port is | |
4543 | * configured. | |
4544 | */ | |
2e0fef85 JS |
4545 | if (phba->link_state < LPFC_LINK_DOWN || |
4546 | !phba->mbox_mem_pool || | |
f4b4c68f | 4547 | (phba->sli.sli_flag & LPFC_SLI_ACTIVE) == 0) |
92d7f7b0 | 4548 | return NULL; |
2e0fef85 JS |
4549 | |
4550 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) | |
46fa311e JS |
4551 | return NULL; |
4552 | ||
dea3101e | 4553 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
4554 | if (!pmboxq) | |
4555 | return NULL; | |
4556 | memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); | |
4557 | ||
04c68496 | 4558 | pmb = &pmboxq->u.mb; |
dea3101e | 4559 | pmb->mbxCommand = MBX_READ_STATUS; |
4560 | pmb->mbxOwner = OWN_HOST; | |
4561 | pmboxq->context1 = NULL; | |
92d7f7b0 | 4562 | pmboxq->vport = vport; |
dea3101e | 4563 | |
75baf696 | 4564 | if (vport->fc_flag & FC_OFFLINE_MODE) |
dea3101e | 4565 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
433c3579 | 4566 | else |
dea3101e | 4567 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); |
4568 | ||
4569 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 4570 | if (rc != MBX_TIMEOUT) |
433c3579 | 4571 | mempool_free(pmboxq, phba->mbox_mem_pool); |
dea3101e | 4572 | return NULL; |
4573 | } | |
4574 | ||
f888ba3c JSEC |
4575 | memset(hs, 0, sizeof (struct fc_host_statistics)); |
4576 | ||
dea3101e | 4577 | hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt; |
73d91e50 JS |
4578 | /* |
4579 | * The MBX_READ_STATUS returns tx_k_bytes which has to | |
4580 | * converted to words | |
4581 | */ | |
4582 | hs->tx_words = (uint64_t) | |
4583 | ((uint64_t)pmb->un.varRdStatus.xmitByteCnt | |
4584 | * (uint64_t)256); | |
dea3101e | 4585 | hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt; |
73d91e50 JS |
4586 | hs->rx_words = (uint64_t) |
4587 | ((uint64_t)pmb->un.varRdStatus.rcvByteCnt | |
4588 | * (uint64_t)256); | |
dea3101e | 4589 | |
433c3579 | 4590 | memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); |
dea3101e | 4591 | pmb->mbxCommand = MBX_READ_LNK_STAT; |
4592 | pmb->mbxOwner = OWN_HOST; | |
4593 | pmboxq->context1 = NULL; | |
92d7f7b0 | 4594 | pmboxq->vport = vport; |
dea3101e | 4595 | |
75baf696 | 4596 | if (vport->fc_flag & FC_OFFLINE_MODE) |
dea3101e | 4597 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
433c3579 | 4598 | else |
dea3101e | 4599 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); |
4600 | ||
4601 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 4602 | if (rc != MBX_TIMEOUT) |
92d7f7b0 | 4603 | mempool_free(pmboxq, phba->mbox_mem_pool); |
dea3101e | 4604 | return NULL; |
4605 | } | |
4606 | ||
4607 | hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt; | |
4608 | hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt; | |
4609 | hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt; | |
4610 | hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt; | |
4611 | hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord; | |
4612 | hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt; | |
4613 | hs->error_frames = pmb->un.varRdLnk.crcCnt; | |
4614 | ||
64ba8818 JS |
4615 | hs->link_failure_count -= lso->link_failure_count; |
4616 | hs->loss_of_sync_count -= lso->loss_of_sync_count; | |
4617 | hs->loss_of_signal_count -= lso->loss_of_signal_count; | |
4618 | hs->prim_seq_protocol_err_count -= lso->prim_seq_protocol_err_count; | |
4619 | hs->invalid_tx_word_count -= lso->invalid_tx_word_count; | |
4620 | hs->invalid_crc_count -= lso->invalid_crc_count; | |
4621 | hs->error_frames -= lso->error_frames; | |
4622 | ||
76a95d75 | 4623 | if (phba->hba_flag & HBA_FCOE_MODE) { |
4d9ab994 JS |
4624 | hs->lip_count = -1; |
4625 | hs->nos_count = (phba->link_events >> 1); | |
4626 | hs->nos_count -= lso->link_events; | |
76a95d75 | 4627 | } else if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { |
dea3101e | 4628 | hs->lip_count = (phba->fc_eventTag >> 1); |
64ba8818 | 4629 | hs->lip_count -= lso->link_events; |
dea3101e | 4630 | hs->nos_count = -1; |
4631 | } else { | |
4632 | hs->lip_count = -1; | |
4633 | hs->nos_count = (phba->fc_eventTag >> 1); | |
64ba8818 | 4634 | hs->nos_count -= lso->link_events; |
dea3101e | 4635 | } |
4636 | ||
4637 | hs->dumped_frames = -1; | |
4638 | ||
64ba8818 JS |
4639 | seconds = get_seconds(); |
4640 | if (seconds < psli->stats_start) | |
4641 | hs->seconds_since_last_reset = seconds + | |
4642 | ((unsigned long)-1 - psli->stats_start); | |
4643 | else | |
4644 | hs->seconds_since_last_reset = seconds - psli->stats_start; | |
dea3101e | 4645 | |
1dcb58e5 JS |
4646 | mempool_free(pmboxq, phba->mbox_mem_pool); |
4647 | ||
dea3101e | 4648 | return hs; |
4649 | } | |
4650 | ||
e59058c4 | 4651 | /** |
3621a710 | 4652 | * lpfc_reset_stats - Copy the adapter link stats information |
e59058c4 JS |
4653 | * @shost: kernel scsi host pointer. |
4654 | **/ | |
64ba8818 JS |
4655 | static void |
4656 | lpfc_reset_stats(struct Scsi_Host *shost) | |
4657 | { | |
2e0fef85 JS |
4658 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
4659 | struct lpfc_hba *phba = vport->phba; | |
4660 | struct lpfc_sli *psli = &phba->sli; | |
4661 | struct lpfc_lnk_stat *lso = &psli->lnk_stat_offsets; | |
64ba8818 JS |
4662 | LPFC_MBOXQ_t *pmboxq; |
4663 | MAILBOX_t *pmb; | |
4664 | int rc = 0; | |
4665 | ||
2e0fef85 | 4666 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) |
46fa311e JS |
4667 | return; |
4668 | ||
64ba8818 JS |
4669 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
4670 | if (!pmboxq) | |
4671 | return; | |
4672 | memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t)); | |
4673 | ||
04c68496 | 4674 | pmb = &pmboxq->u.mb; |
64ba8818 JS |
4675 | pmb->mbxCommand = MBX_READ_STATUS; |
4676 | pmb->mbxOwner = OWN_HOST; | |
4677 | pmb->un.varWords[0] = 0x1; /* reset request */ | |
4678 | pmboxq->context1 = NULL; | |
92d7f7b0 | 4679 | pmboxq->vport = vport; |
64ba8818 | 4680 | |
2e0fef85 | 4681 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
f4b4c68f | 4682 | (!(psli->sli_flag & LPFC_SLI_ACTIVE))) |
64ba8818 JS |
4683 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
4684 | else | |
4685 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); | |
4686 | ||
4687 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 4688 | if (rc != MBX_TIMEOUT) |
64ba8818 JS |
4689 | mempool_free(pmboxq, phba->mbox_mem_pool); |
4690 | return; | |
4691 | } | |
4692 | ||
4693 | memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t)); | |
4694 | pmb->mbxCommand = MBX_READ_LNK_STAT; | |
4695 | pmb->mbxOwner = OWN_HOST; | |
4696 | pmboxq->context1 = NULL; | |
92d7f7b0 | 4697 | pmboxq->vport = vport; |
64ba8818 | 4698 | |
2e0fef85 | 4699 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
f4b4c68f | 4700 | (!(psli->sli_flag & LPFC_SLI_ACTIVE))) |
64ba8818 JS |
4701 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
4702 | else | |
4703 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); | |
4704 | ||
4705 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 4706 | if (rc != MBX_TIMEOUT) |
64ba8818 JS |
4707 | mempool_free( pmboxq, phba->mbox_mem_pool); |
4708 | return; | |
4709 | } | |
4710 | ||
4711 | lso->link_failure_count = pmb->un.varRdLnk.linkFailureCnt; | |
4712 | lso->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt; | |
4713 | lso->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt; | |
4714 | lso->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt; | |
4715 | lso->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord; | |
4716 | lso->invalid_crc_count = pmb->un.varRdLnk.crcCnt; | |
4717 | lso->error_frames = pmb->un.varRdLnk.crcCnt; | |
76a95d75 | 4718 | if (phba->hba_flag & HBA_FCOE_MODE) |
4d9ab994 JS |
4719 | lso->link_events = (phba->link_events >> 1); |
4720 | else | |
4721 | lso->link_events = (phba->fc_eventTag >> 1); | |
64ba8818 JS |
4722 | |
4723 | psli->stats_start = get_seconds(); | |
4724 | ||
1dcb58e5 JS |
4725 | mempool_free(pmboxq, phba->mbox_mem_pool); |
4726 | ||
64ba8818 JS |
4727 | return; |
4728 | } | |
dea3101e | 4729 | |
4730 | /* | |
4731 | * The LPFC driver treats linkdown handling as target loss events so there | |
4732 | * are no sysfs handlers for link_down_tmo. | |
4733 | */ | |
685f0bf7 | 4734 | |
e59058c4 | 4735 | /** |
3621a710 | 4736 | * lpfc_get_node_by_target - Return the nodelist for a target |
e59058c4 JS |
4737 | * @starget: kernel scsi target pointer. |
4738 | * | |
4739 | * Returns: | |
4740 | * address of the node list if found | |
4741 | * NULL target not found | |
4742 | **/ | |
685f0bf7 JS |
4743 | static struct lpfc_nodelist * |
4744 | lpfc_get_node_by_target(struct scsi_target *starget) | |
dea3101e | 4745 | { |
2e0fef85 JS |
4746 | struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); |
4747 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
685f0bf7 | 4748 | struct lpfc_nodelist *ndlp; |
dea3101e | 4749 | |
4750 | spin_lock_irq(shost->host_lock); | |
685f0bf7 | 4751 | /* Search for this, mapped, target ID */ |
2e0fef85 | 4752 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
e47c9093 JS |
4753 | if (NLP_CHK_NODE_ACT(ndlp) && |
4754 | ndlp->nlp_state == NLP_STE_MAPPED_NODE && | |
685f0bf7 JS |
4755 | starget->id == ndlp->nlp_sid) { |
4756 | spin_unlock_irq(shost->host_lock); | |
4757 | return ndlp; | |
dea3101e | 4758 | } |
4759 | } | |
4760 | spin_unlock_irq(shost->host_lock); | |
685f0bf7 JS |
4761 | return NULL; |
4762 | } | |
dea3101e | 4763 | |
e59058c4 | 4764 | /** |
3621a710 | 4765 | * lpfc_get_starget_port_id - Set the target port id to the ndlp DID or -1 |
e59058c4 JS |
4766 | * @starget: kernel scsi target pointer. |
4767 | **/ | |
685f0bf7 JS |
4768 | static void |
4769 | lpfc_get_starget_port_id(struct scsi_target *starget) | |
4770 | { | |
4771 | struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); | |
4772 | ||
4773 | fc_starget_port_id(starget) = ndlp ? ndlp->nlp_DID : -1; | |
dea3101e | 4774 | } |
4775 | ||
e59058c4 | 4776 | /** |
3621a710 | 4777 | * lpfc_get_starget_node_name - Set the target node name |
e59058c4 JS |
4778 | * @starget: kernel scsi target pointer. |
4779 | * | |
4780 | * Description: Set the target node name to the ndlp node name wwn or zero. | |
4781 | **/ | |
dea3101e | 4782 | static void |
4783 | lpfc_get_starget_node_name(struct scsi_target *starget) | |
4784 | { | |
685f0bf7 | 4785 | struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); |
dea3101e | 4786 | |
685f0bf7 JS |
4787 | fc_starget_node_name(starget) = |
4788 | ndlp ? wwn_to_u64(ndlp->nlp_nodename.u.wwn) : 0; | |
dea3101e | 4789 | } |
4790 | ||
e59058c4 | 4791 | /** |
3621a710 | 4792 | * lpfc_get_starget_port_name - Set the target port name |
e59058c4 JS |
4793 | * @starget: kernel scsi target pointer. |
4794 | * | |
4795 | * Description: set the target port name to the ndlp port name wwn or zero. | |
4796 | **/ | |
dea3101e | 4797 | static void |
4798 | lpfc_get_starget_port_name(struct scsi_target *starget) | |
4799 | { | |
685f0bf7 | 4800 | struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); |
dea3101e | 4801 | |
685f0bf7 JS |
4802 | fc_starget_port_name(starget) = |
4803 | ndlp ? wwn_to_u64(ndlp->nlp_portname.u.wwn) : 0; | |
dea3101e | 4804 | } |
4805 | ||
e59058c4 | 4806 | /** |
3621a710 | 4807 | * lpfc_set_rport_loss_tmo - Set the rport dev loss tmo |
e59058c4 JS |
4808 | * @rport: fc rport address. |
4809 | * @timeout: new value for dev loss tmo. | |
4810 | * | |
4811 | * Description: | |
4812 | * If timeout is non zero set the dev_loss_tmo to timeout, else set | |
4813 | * dev_loss_tmo to one. | |
4814 | **/ | |
dea3101e | 4815 | static void |
4816 | lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout) | |
4817 | { | |
dea3101e | 4818 | if (timeout) |
c01f3208 | 4819 | rport->dev_loss_tmo = timeout; |
dea3101e | 4820 | else |
c01f3208 | 4821 | rport->dev_loss_tmo = 1; |
dea3101e | 4822 | } |
4823 | ||
e59058c4 | 4824 | /** |
3621a710 | 4825 | * lpfc_rport_show_function - Return rport target information |
e59058c4 JS |
4826 | * |
4827 | * Description: | |
4828 | * Macro that uses field to generate a function with the name lpfc_show_rport_ | |
4829 | * | |
4830 | * lpfc_show_rport_##field: returns the bytes formatted in buf | |
4831 | * @cdev: class converted to an fc_rport. | |
4832 | * @buf: on return contains the target_field or zero. | |
4833 | * | |
4834 | * Returns: size of formatted string. | |
4835 | **/ | |
dea3101e | 4836 | #define lpfc_rport_show_function(field, format_string, sz, cast) \ |
4837 | static ssize_t \ | |
ee959b00 TJ |
4838 | lpfc_show_rport_##field (struct device *dev, \ |
4839 | struct device_attribute *attr, \ | |
4840 | char *buf) \ | |
dea3101e | 4841 | { \ |
ee959b00 | 4842 | struct fc_rport *rport = transport_class_to_rport(dev); \ |
dea3101e | 4843 | struct lpfc_rport_data *rdata = rport->hostdata; \ |
4844 | return snprintf(buf, sz, format_string, \ | |
4845 | (rdata->target) ? cast rdata->target->field : 0); \ | |
4846 | } | |
4847 | ||
4848 | #define lpfc_rport_rd_attr(field, format_string, sz) \ | |
4849 | lpfc_rport_show_function(field, format_string, sz, ) \ | |
4850 | static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL) | |
4851 | ||
eada272d | 4852 | /** |
3621a710 | 4853 | * lpfc_set_vport_symbolic_name - Set the vport's symbolic name |
eada272d JS |
4854 | * @fc_vport: The fc_vport who's symbolic name has been changed. |
4855 | * | |
4856 | * Description: | |
4857 | * This function is called by the transport after the @fc_vport's symbolic name | |
4858 | * has been changed. This function re-registers the symbolic name with the | |
25985edc | 4859 | * switch to propagate the change into the fabric if the vport is active. |
eada272d JS |
4860 | **/ |
4861 | static void | |
4862 | lpfc_set_vport_symbolic_name(struct fc_vport *fc_vport) | |
4863 | { | |
4864 | struct lpfc_vport *vport = *(struct lpfc_vport **)fc_vport->dd_data; | |
4865 | ||
4866 | if (vport->port_state == LPFC_VPORT_READY) | |
4867 | lpfc_ns_cmd(vport, SLI_CTNS_RSPN_ID, 0, 0); | |
4868 | } | |
dea3101e | 4869 | |
f4b4c68f JS |
4870 | /** |
4871 | * lpfc_hba_log_verbose_init - Set hba's log verbose level | |
4872 | * @phba: Pointer to lpfc_hba struct. | |
4873 | * | |
4874 | * This function is called by the lpfc_get_cfgparam() routine to set the | |
4875 | * module lpfc_log_verbose into the @phba cfg_log_verbose for use with | |
70f23fd6 | 4876 | * log message according to the module's lpfc_log_verbose parameter setting |
f4b4c68f JS |
4877 | * before hba port or vport created. |
4878 | **/ | |
4879 | static void | |
4880 | lpfc_hba_log_verbose_init(struct lpfc_hba *phba, uint32_t verbose) | |
4881 | { | |
4882 | phba->cfg_log_verbose = verbose; | |
4883 | } | |
4884 | ||
dea3101e | 4885 | struct fc_function_template lpfc_transport_functions = { |
4886 | /* fixed attributes the driver supports */ | |
4887 | .show_host_node_name = 1, | |
4888 | .show_host_port_name = 1, | |
4889 | .show_host_supported_classes = 1, | |
4890 | .show_host_supported_fc4s = 1, | |
dea3101e | 4891 | .show_host_supported_speeds = 1, |
4892 | .show_host_maxframe_size = 1, | |
eada272d | 4893 | .show_host_symbolic_name = 1, |
dea3101e | 4894 | |
4895 | /* dynamic attributes the driver supports */ | |
4896 | .get_host_port_id = lpfc_get_host_port_id, | |
4897 | .show_host_port_id = 1, | |
4898 | ||
4899 | .get_host_port_type = lpfc_get_host_port_type, | |
4900 | .show_host_port_type = 1, | |
4901 | ||
4902 | .get_host_port_state = lpfc_get_host_port_state, | |
4903 | .show_host_port_state = 1, | |
4904 | ||
4905 | /* active_fc4s is shown but doesn't change (thus no get function) */ | |
4906 | .show_host_active_fc4s = 1, | |
4907 | ||
4908 | .get_host_speed = lpfc_get_host_speed, | |
4909 | .show_host_speed = 1, | |
4910 | ||
4911 | .get_host_fabric_name = lpfc_get_host_fabric_name, | |
4912 | .show_host_fabric_name = 1, | |
4913 | ||
4914 | /* | |
4915 | * The LPFC driver treats linkdown handling as target loss events | |
4916 | * so there are no sysfs handlers for link_down_tmo. | |
4917 | */ | |
4918 | ||
4919 | .get_fc_host_stats = lpfc_get_stats, | |
64ba8818 | 4920 | .reset_fc_host_stats = lpfc_reset_stats, |
dea3101e | 4921 | |
4922 | .dd_fcrport_size = sizeof(struct lpfc_rport_data), | |
4923 | .show_rport_maxframe_size = 1, | |
4924 | .show_rport_supported_classes = 1, | |
4925 | ||
dea3101e | 4926 | .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo, |
4927 | .show_rport_dev_loss_tmo = 1, | |
4928 | ||
4929 | .get_starget_port_id = lpfc_get_starget_port_id, | |
4930 | .show_starget_port_id = 1, | |
4931 | ||
4932 | .get_starget_node_name = lpfc_get_starget_node_name, | |
4933 | .show_starget_node_name = 1, | |
4934 | ||
4935 | .get_starget_port_name = lpfc_get_starget_port_name, | |
4936 | .show_starget_port_name = 1, | |
91ca7b01 AV |
4937 | |
4938 | .issue_fc_host_lip = lpfc_issue_lip, | |
c01f3208 JS |
4939 | .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk, |
4940 | .terminate_rport_io = lpfc_terminate_rport_io, | |
92d7f7b0 | 4941 | |
92d7f7b0 | 4942 | .dd_fcvport_size = sizeof(struct lpfc_vport *), |
eada272d JS |
4943 | |
4944 | .vport_disable = lpfc_vport_disable, | |
4945 | ||
4946 | .set_vport_symbolic_name = lpfc_set_vport_symbolic_name, | |
f1c3b0fc JS |
4947 | |
4948 | .bsg_request = lpfc_bsg_request, | |
4949 | .bsg_timeout = lpfc_bsg_timeout, | |
92d7f7b0 JS |
4950 | }; |
4951 | ||
98c9ea5c JS |
4952 | struct fc_function_template lpfc_vport_transport_functions = { |
4953 | /* fixed attributes the driver supports */ | |
4954 | .show_host_node_name = 1, | |
4955 | .show_host_port_name = 1, | |
4956 | .show_host_supported_classes = 1, | |
4957 | .show_host_supported_fc4s = 1, | |
4958 | .show_host_supported_speeds = 1, | |
4959 | .show_host_maxframe_size = 1, | |
eada272d | 4960 | .show_host_symbolic_name = 1, |
98c9ea5c JS |
4961 | |
4962 | /* dynamic attributes the driver supports */ | |
4963 | .get_host_port_id = lpfc_get_host_port_id, | |
4964 | .show_host_port_id = 1, | |
4965 | ||
4966 | .get_host_port_type = lpfc_get_host_port_type, | |
4967 | .show_host_port_type = 1, | |
4968 | ||
4969 | .get_host_port_state = lpfc_get_host_port_state, | |
4970 | .show_host_port_state = 1, | |
4971 | ||
4972 | /* active_fc4s is shown but doesn't change (thus no get function) */ | |
4973 | .show_host_active_fc4s = 1, | |
4974 | ||
4975 | .get_host_speed = lpfc_get_host_speed, | |
4976 | .show_host_speed = 1, | |
4977 | ||
4978 | .get_host_fabric_name = lpfc_get_host_fabric_name, | |
4979 | .show_host_fabric_name = 1, | |
4980 | ||
4981 | /* | |
4982 | * The LPFC driver treats linkdown handling as target loss events | |
4983 | * so there are no sysfs handlers for link_down_tmo. | |
4984 | */ | |
4985 | ||
4986 | .get_fc_host_stats = lpfc_get_stats, | |
4987 | .reset_fc_host_stats = lpfc_reset_stats, | |
4988 | ||
4989 | .dd_fcrport_size = sizeof(struct lpfc_rport_data), | |
4990 | .show_rport_maxframe_size = 1, | |
4991 | .show_rport_supported_classes = 1, | |
4992 | ||
4993 | .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo, | |
4994 | .show_rport_dev_loss_tmo = 1, | |
4995 | ||
4996 | .get_starget_port_id = lpfc_get_starget_port_id, | |
4997 | .show_starget_port_id = 1, | |
4998 | ||
4999 | .get_starget_node_name = lpfc_get_starget_node_name, | |
5000 | .show_starget_node_name = 1, | |
5001 | ||
5002 | .get_starget_port_name = lpfc_get_starget_port_name, | |
5003 | .show_starget_port_name = 1, | |
5004 | ||
5005 | .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk, | |
5006 | .terminate_rport_io = lpfc_terminate_rport_io, | |
5007 | ||
5008 | .vport_disable = lpfc_vport_disable, | |
eada272d JS |
5009 | |
5010 | .set_vport_symbolic_name = lpfc_set_vport_symbolic_name, | |
98c9ea5c JS |
5011 | }; |
5012 | ||
e59058c4 | 5013 | /** |
3621a710 | 5014 | * lpfc_get_cfgparam - Used during probe_one to init the adapter structure |
e59058c4 JS |
5015 | * @phba: lpfc_hba pointer. |
5016 | **/ | |
dea3101e | 5017 | void |
5018 | lpfc_get_cfgparam(struct lpfc_hba *phba) | |
5019 | { | |
7bcbb752 JSEC |
5020 | lpfc_cr_delay_init(phba, lpfc_cr_delay); |
5021 | lpfc_cr_count_init(phba, lpfc_cr_count); | |
cf5bf97e | 5022 | lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support); |
a4bc3379 JS |
5023 | lpfc_multi_ring_rctl_init(phba, lpfc_multi_ring_rctl); |
5024 | lpfc_multi_ring_type_init(phba, lpfc_multi_ring_type); | |
7bcbb752 JSEC |
5025 | lpfc_ack0_init(phba, lpfc_ack0); |
5026 | lpfc_topology_init(phba, lpfc_topology); | |
7bcbb752 | 5027 | lpfc_link_speed_init(phba, lpfc_link_speed); |
875fbdfe | 5028 | lpfc_poll_tmo_init(phba, lpfc_poll_tmo); |
78b2d852 | 5029 | lpfc_enable_npiv_init(phba, lpfc_enable_npiv); |
7d791df7 | 5030 | lpfc_fcf_failover_policy_init(phba, lpfc_fcf_failover_policy); |
19ca7609 | 5031 | lpfc_enable_rrq_init(phba, lpfc_enable_rrq); |
4ff43246 | 5032 | lpfc_use_msi_init(phba, lpfc_use_msi); |
da0436e9 JS |
5033 | lpfc_fcp_imax_init(phba, lpfc_fcp_imax); |
5034 | lpfc_fcp_wq_count_init(phba, lpfc_fcp_wq_count); | |
5035 | lpfc_fcp_eq_count_init(phba, lpfc_fcp_eq_count); | |
13815c83 JS |
5036 | lpfc_enable_hba_reset_init(phba, lpfc_enable_hba_reset); |
5037 | lpfc_enable_hba_heartbeat_init(phba, lpfc_enable_hba_heartbeat); | |
81301a9b | 5038 | lpfc_enable_bg_init(phba, lpfc_enable_bg); |
45ed1190 JS |
5039 | if (phba->sli_rev == LPFC_SLI_REV4) |
5040 | phba->cfg_poll = 0; | |
5041 | else | |
875fbdfe | 5042 | phba->cfg_poll = lpfc_poll; |
a12e07bc | 5043 | phba->cfg_soft_wwnn = 0L; |
c3f28afa | 5044 | phba->cfg_soft_wwpn = 0L; |
83108bd3 | 5045 | lpfc_sg_seg_cnt_init(phba, lpfc_sg_seg_cnt); |
81301a9b | 5046 | lpfc_prot_sg_seg_cnt_init(phba, lpfc_prot_sg_seg_cnt); |
7054a606 | 5047 | lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth); |
6fb120a7 | 5048 | lpfc_hba_log_verbose_init(phba, lpfc_log_verbose); |
0d878419 | 5049 | lpfc_aer_support_init(phba, lpfc_aer_support); |
912e3acd | 5050 | lpfc_sriov_nr_virtfn_init(phba, lpfc_sriov_nr_virtfn); |
84d1b006 | 5051 | lpfc_suppress_link_up_init(phba, lpfc_suppress_link_up); |
2a9bf3d0 | 5052 | lpfc_iocb_cnt_init(phba, lpfc_iocb_cnt); |
ab56dc2e | 5053 | phba->cfg_enable_dss = 1; |
3de2a653 JS |
5054 | return; |
5055 | } | |
b28485ac | 5056 | |
e59058c4 | 5057 | /** |
3621a710 | 5058 | * lpfc_get_vport_cfgparam - Used during port create, init the vport structure |
e59058c4 JS |
5059 | * @vport: lpfc_vport pointer. |
5060 | **/ | |
3de2a653 JS |
5061 | void |
5062 | lpfc_get_vport_cfgparam(struct lpfc_vport *vport) | |
5063 | { | |
e8b62011 | 5064 | lpfc_log_verbose_init(vport, lpfc_log_verbose); |
3de2a653 | 5065 | lpfc_lun_queue_depth_init(vport, lpfc_lun_queue_depth); |
7dc517df | 5066 | lpfc_tgt_queue_depth_init(vport, lpfc_tgt_queue_depth); |
3de2a653 JS |
5067 | lpfc_devloss_tmo_init(vport, lpfc_devloss_tmo); |
5068 | lpfc_nodev_tmo_init(vport, lpfc_nodev_tmo); | |
5069 | lpfc_peer_port_login_init(vport, lpfc_peer_port_login); | |
5070 | lpfc_restrict_login_init(vport, lpfc_restrict_login); | |
5071 | lpfc_fcp_class_init(vport, lpfc_fcp_class); | |
5072 | lpfc_use_adisc_init(vport, lpfc_use_adisc); | |
977b5a0a | 5073 | lpfc_max_scsicmpl_time_init(vport, lpfc_max_scsicmpl_time); |
3de2a653 JS |
5074 | lpfc_fdmi_on_init(vport, lpfc_fdmi_on); |
5075 | lpfc_discovery_threads_init(vport, lpfc_discovery_threads); | |
5076 | lpfc_max_luns_init(vport, lpfc_max_luns); | |
5077 | lpfc_scan_down_init(vport, lpfc_scan_down); | |
7ee5d43e | 5078 | lpfc_enable_da_id_init(vport, lpfc_enable_da_id); |
dea3101e | 5079 | return; |
5080 | } |