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dea3101e JB |
1 | /******************************************************************* |
2 | * This file is part of the Emulex Linux Device Driver for * | |
c44ce173 | 3 | * Fibre Channel Host Bus Adapters. * |
d8e93df1 | 4 | * Copyright (C) 2004-2009 Emulex. All rights reserved. * |
c44ce173 | 5 | * EMULEX and SLI are trademarks of Emulex. * |
dea3101e | 6 | * www.emulex.com * |
c44ce173 | 7 | * Portions Copyright (C) 2004-2005 Christoph Hellwig * |
dea3101e JB |
8 | * * |
9 | * This program is free software; you can redistribute it and/or * | |
c44ce173 JSEC |
10 | * modify it under the terms of version 2 of the GNU General * |
11 | * Public License as published by the Free Software Foundation. * | |
12 | * This program is distributed in the hope that it will be useful. * | |
13 | * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * | |
14 | * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * | |
15 | * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * | |
16 | * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * | |
17 | * TO BE LEGALLY INVALID. See the GNU General Public License for * | |
18 | * more details, a copy of which can be found in the file COPYING * | |
19 | * included with this package. * | |
dea3101e JB |
20 | *******************************************************************/ |
21 | ||
dea3101e | 22 | #include <linux/ctype.h> |
46fa311e | 23 | #include <linux/delay.h> |
dea3101e JB |
24 | #include <linux/pci.h> |
25 | #include <linux/interrupt.h> | |
0d878419 | 26 | #include <linux/aer.h> |
5a0e3ad6 | 27 | #include <linux/gfp.h> |
ecc30990 | 28 | #include <linux/kernel.h> |
dea3101e | 29 | |
91886523 | 30 | #include <scsi/scsi.h> |
dea3101e JB |
31 | #include <scsi/scsi_device.h> |
32 | #include <scsi/scsi_host.h> | |
33 | #include <scsi/scsi_tcq.h> | |
34 | #include <scsi/scsi_transport_fc.h> | |
6a9c52cf | 35 | #include <scsi/fc/fc_fs.h> |
dea3101e | 36 | |
da0436e9 | 37 | #include "lpfc_hw4.h" |
dea3101e JB |
38 | #include "lpfc_hw.h" |
39 | #include "lpfc_sli.h" | |
da0436e9 | 40 | #include "lpfc_sli4.h" |
ea2151b4 | 41 | #include "lpfc_nl.h" |
dea3101e JB |
42 | #include "lpfc_disc.h" |
43 | #include "lpfc_scsi.h" | |
44 | #include "lpfc.h" | |
45 | #include "lpfc_logmsg.h" | |
46 | #include "lpfc_version.h" | |
47 | #include "lpfc_compat.h" | |
48 | #include "lpfc_crtn.h" | |
92d7f7b0 | 49 | #include "lpfc_vport.h" |
dea3101e | 50 | |
c01f3208 JS |
51 | #define LPFC_DEF_DEVLOSS_TMO 30 |
52 | #define LPFC_MIN_DEVLOSS_TMO 1 | |
53 | #define LPFC_MAX_DEVLOSS_TMO 255 | |
dea3101e | 54 | |
83108bd3 JS |
55 | #define LPFC_MAX_LINK_SPEED 8 |
56 | #define LPFC_LINK_SPEED_BITMAP 0x00000117 | |
57 | #define LPFC_LINK_SPEED_STRING "0, 1, 2, 4, 8" | |
58 | ||
e59058c4 | 59 | /** |
3621a710 | 60 | * lpfc_jedec_to_ascii - Hex to ascii convertor according to JEDEC rules |
e59058c4 JS |
61 | * @incr: integer to convert. |
62 | * @hdw: ascii string holding converted integer plus a string terminator. | |
63 | * | |
64 | * Description: | |
65 | * JEDEC Joint Electron Device Engineering Council. | |
66 | * Convert a 32 bit integer composed of 8 nibbles into an 8 byte ascii | |
67 | * character string. The string is then terminated with a NULL in byte 9. | |
68 | * Hex 0-9 becomes ascii '0' to '9'. | |
69 | * Hex a-f becomes ascii '=' to 'B' capital B. | |
70 | * | |
71 | * Notes: | |
72 | * Coded for 32 bit integers only. | |
73 | **/ | |
dea3101e JB |
74 | static void |
75 | lpfc_jedec_to_ascii(int incr, char hdw[]) | |
76 | { | |
77 | int i, j; | |
78 | for (i = 0; i < 8; i++) { | |
79 | j = (incr & 0xf); | |
80 | if (j <= 9) | |
81 | hdw[7 - i] = 0x30 + j; | |
82 | else | |
83 | hdw[7 - i] = 0x61 + j - 10; | |
84 | incr = (incr >> 4); | |
85 | } | |
86 | hdw[8] = 0; | |
87 | return; | |
88 | } | |
89 | ||
e59058c4 | 90 | /** |
3621a710 | 91 | * lpfc_drvr_version_show - Return the Emulex driver string with version number |
e59058c4 JS |
92 | * @dev: class unused variable. |
93 | * @attr: device attribute, not used. | |
94 | * @buf: on return contains the module description text. | |
95 | * | |
96 | * Returns: size of formatted string. | |
97 | **/ | |
dea3101e | 98 | static ssize_t |
ee959b00 TJ |
99 | lpfc_drvr_version_show(struct device *dev, struct device_attribute *attr, |
100 | char *buf) | |
dea3101e JB |
101 | { |
102 | return snprintf(buf, PAGE_SIZE, LPFC_MODULE_DESC "\n"); | |
103 | } | |
104 | ||
45ed1190 JS |
105 | /** |
106 | * lpfc_enable_fip_show - Return the fip mode of the HBA | |
107 | * @dev: class unused variable. | |
108 | * @attr: device attribute, not used. | |
109 | * @buf: on return contains the module description text. | |
110 | * | |
111 | * Returns: size of formatted string. | |
112 | **/ | |
113 | static ssize_t | |
114 | lpfc_enable_fip_show(struct device *dev, struct device_attribute *attr, | |
115 | char *buf) | |
116 | { | |
117 | struct Scsi_Host *shost = class_to_shost(dev); | |
118 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
119 | struct lpfc_hba *phba = vport->phba; | |
120 | ||
121 | if (phba->hba_flag & HBA_FIP_SUPPORT) | |
122 | return snprintf(buf, PAGE_SIZE, "1\n"); | |
123 | else | |
124 | return snprintf(buf, PAGE_SIZE, "0\n"); | |
125 | } | |
126 | ||
81301a9b JS |
127 | static ssize_t |
128 | lpfc_bg_info_show(struct device *dev, struct device_attribute *attr, | |
129 | char *buf) | |
130 | { | |
131 | struct Scsi_Host *shost = class_to_shost(dev); | |
132 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
133 | struct lpfc_hba *phba = vport->phba; | |
134 | ||
135 | if (phba->cfg_enable_bg) | |
136 | if (phba->sli3_options & LPFC_SLI3_BG_ENABLED) | |
137 | return snprintf(buf, PAGE_SIZE, "BlockGuard Enabled\n"); | |
138 | else | |
139 | return snprintf(buf, PAGE_SIZE, | |
140 | "BlockGuard Not Supported\n"); | |
141 | else | |
142 | return snprintf(buf, PAGE_SIZE, | |
143 | "BlockGuard Disabled\n"); | |
144 | } | |
145 | ||
146 | static ssize_t | |
147 | lpfc_bg_guard_err_show(struct device *dev, struct device_attribute *attr, | |
148 | char *buf) | |
149 | { | |
150 | struct Scsi_Host *shost = class_to_shost(dev); | |
151 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
152 | struct lpfc_hba *phba = vport->phba; | |
153 | ||
87b5c328 JS |
154 | return snprintf(buf, PAGE_SIZE, "%llu\n", |
155 | (unsigned long long)phba->bg_guard_err_cnt); | |
81301a9b JS |
156 | } |
157 | ||
158 | static ssize_t | |
159 | lpfc_bg_apptag_err_show(struct device *dev, struct device_attribute *attr, | |
160 | char *buf) | |
161 | { | |
162 | struct Scsi_Host *shost = class_to_shost(dev); | |
163 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
164 | struct lpfc_hba *phba = vport->phba; | |
165 | ||
87b5c328 JS |
166 | return snprintf(buf, PAGE_SIZE, "%llu\n", |
167 | (unsigned long long)phba->bg_apptag_err_cnt); | |
81301a9b JS |
168 | } |
169 | ||
170 | static ssize_t | |
171 | lpfc_bg_reftag_err_show(struct device *dev, struct device_attribute *attr, | |
172 | char *buf) | |
173 | { | |
174 | struct Scsi_Host *shost = class_to_shost(dev); | |
175 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
176 | struct lpfc_hba *phba = vport->phba; | |
177 | ||
87b5c328 JS |
178 | return snprintf(buf, PAGE_SIZE, "%llu\n", |
179 | (unsigned long long)phba->bg_reftag_err_cnt); | |
81301a9b JS |
180 | } |
181 | ||
e59058c4 | 182 | /** |
3621a710 | 183 | * lpfc_info_show - Return some pci info about the host in ascii |
e59058c4 JS |
184 | * @dev: class converted to a Scsi_host structure. |
185 | * @attr: device attribute, not used. | |
186 | * @buf: on return contains the formatted text from lpfc_info(). | |
187 | * | |
188 | * Returns: size of formatted string. | |
189 | **/ | |
dea3101e | 190 | static ssize_t |
ee959b00 TJ |
191 | lpfc_info_show(struct device *dev, struct device_attribute *attr, |
192 | char *buf) | |
dea3101e | 193 | { |
ee959b00 | 194 | struct Scsi_Host *host = class_to_shost(dev); |
2e0fef85 | 195 | |
dea3101e JB |
196 | return snprintf(buf, PAGE_SIZE, "%s\n",lpfc_info(host)); |
197 | } | |
198 | ||
e59058c4 | 199 | /** |
3621a710 | 200 | * lpfc_serialnum_show - Return the hba serial number in ascii |
e59058c4 JS |
201 | * @dev: class converted to a Scsi_host structure. |
202 | * @attr: device attribute, not used. | |
203 | * @buf: on return contains the formatted text serial number. | |
204 | * | |
205 | * Returns: size of formatted string. | |
206 | **/ | |
dea3101e | 207 | static ssize_t |
ee959b00 TJ |
208 | lpfc_serialnum_show(struct device *dev, struct device_attribute *attr, |
209 | char *buf) | |
dea3101e | 210 | { |
ee959b00 | 211 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
212 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
213 | struct lpfc_hba *phba = vport->phba; | |
214 | ||
dea3101e JB |
215 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->SerialNumber); |
216 | } | |
217 | ||
e59058c4 | 218 | /** |
3621a710 | 219 | * lpfc_temp_sensor_show - Return the temperature sensor level |
e59058c4 JS |
220 | * @dev: class converted to a Scsi_host structure. |
221 | * @attr: device attribute, not used. | |
222 | * @buf: on return contains the formatted support level. | |
223 | * | |
224 | * Description: | |
225 | * Returns a number indicating the temperature sensor level currently | |
226 | * supported, zero or one in ascii. | |
227 | * | |
228 | * Returns: size of formatted string. | |
229 | **/ | |
57127f15 | 230 | static ssize_t |
ee959b00 TJ |
231 | lpfc_temp_sensor_show(struct device *dev, struct device_attribute *attr, |
232 | char *buf) | |
57127f15 | 233 | { |
ee959b00 | 234 | struct Scsi_Host *shost = class_to_shost(dev); |
57127f15 JS |
235 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
236 | struct lpfc_hba *phba = vport->phba; | |
237 | return snprintf(buf, PAGE_SIZE, "%d\n",phba->temp_sensor_support); | |
238 | } | |
239 | ||
e59058c4 | 240 | /** |
3621a710 | 241 | * lpfc_modeldesc_show - Return the model description of the hba |
e59058c4 JS |
242 | * @dev: class converted to a Scsi_host structure. |
243 | * @attr: device attribute, not used. | |
244 | * @buf: on return contains the scsi vpd model description. | |
245 | * | |
246 | * Returns: size of formatted string. | |
247 | **/ | |
dea3101e | 248 | static ssize_t |
ee959b00 TJ |
249 | lpfc_modeldesc_show(struct device *dev, struct device_attribute *attr, |
250 | char *buf) | |
dea3101e | 251 | { |
ee959b00 | 252 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
253 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
254 | struct lpfc_hba *phba = vport->phba; | |
255 | ||
dea3101e JB |
256 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelDesc); |
257 | } | |
258 | ||
e59058c4 | 259 | /** |
3621a710 | 260 | * lpfc_modelname_show - Return the model name of the hba |
e59058c4 JS |
261 | * @dev: class converted to a Scsi_host structure. |
262 | * @attr: device attribute, not used. | |
263 | * @buf: on return contains the scsi vpd model name. | |
264 | * | |
265 | * Returns: size of formatted string. | |
266 | **/ | |
dea3101e | 267 | static ssize_t |
ee959b00 TJ |
268 | lpfc_modelname_show(struct device *dev, struct device_attribute *attr, |
269 | char *buf) | |
dea3101e | 270 | { |
ee959b00 | 271 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
272 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
273 | struct lpfc_hba *phba = vport->phba; | |
274 | ||
dea3101e JB |
275 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelName); |
276 | } | |
277 | ||
e59058c4 | 278 | /** |
3621a710 | 279 | * lpfc_programtype_show - Return the program type of the hba |
e59058c4 JS |
280 | * @dev: class converted to a Scsi_host structure. |
281 | * @attr: device attribute, not used. | |
282 | * @buf: on return contains the scsi vpd program type. | |
283 | * | |
284 | * Returns: size of formatted string. | |
285 | **/ | |
dea3101e | 286 | static ssize_t |
ee959b00 TJ |
287 | lpfc_programtype_show(struct device *dev, struct device_attribute *attr, |
288 | char *buf) | |
dea3101e | 289 | { |
ee959b00 | 290 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
291 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
292 | struct lpfc_hba *phba = vport->phba; | |
293 | ||
dea3101e JB |
294 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->ProgramType); |
295 | } | |
296 | ||
84774a4d | 297 | /** |
3621a710 | 298 | * lpfc_mlomgmt_show - Return the Menlo Maintenance sli flag |
84774a4d JS |
299 | * @dev: class converted to a Scsi_host structure. |
300 | * @attr: device attribute, not used. | |
301 | * @buf: on return contains the Menlo Maintenance sli flag. | |
302 | * | |
303 | * Returns: size of formatted string. | |
304 | **/ | |
305 | static ssize_t | |
306 | lpfc_mlomgmt_show(struct device *dev, struct device_attribute *attr, char *buf) | |
307 | { | |
308 | struct Scsi_Host *shost = class_to_shost(dev); | |
309 | struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; | |
310 | struct lpfc_hba *phba = vport->phba; | |
311 | ||
312 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
313 | (phba->sli.sli_flag & LPFC_MENLO_MAINT)); | |
314 | } | |
315 | ||
e59058c4 | 316 | /** |
3621a710 | 317 | * lpfc_vportnum_show - Return the port number in ascii of the hba |
e59058c4 JS |
318 | * @dev: class converted to a Scsi_host structure. |
319 | * @attr: device attribute, not used. | |
320 | * @buf: on return contains scsi vpd program type. | |
321 | * | |
322 | * Returns: size of formatted string. | |
323 | **/ | |
dea3101e | 324 | static ssize_t |
ee959b00 TJ |
325 | lpfc_vportnum_show(struct device *dev, struct device_attribute *attr, |
326 | char *buf) | |
dea3101e | 327 | { |
ee959b00 | 328 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
329 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
330 | struct lpfc_hba *phba = vport->phba; | |
331 | ||
dea3101e JB |
332 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->Port); |
333 | } | |
334 | ||
e59058c4 | 335 | /** |
3621a710 | 336 | * lpfc_fwrev_show - Return the firmware rev running in the hba |
e59058c4 JS |
337 | * @dev: class converted to a Scsi_host structure. |
338 | * @attr: device attribute, not used. | |
339 | * @buf: on return contains the scsi vpd program type. | |
340 | * | |
341 | * Returns: size of formatted string. | |
342 | **/ | |
dea3101e | 343 | static ssize_t |
ee959b00 TJ |
344 | lpfc_fwrev_show(struct device *dev, struct device_attribute *attr, |
345 | char *buf) | |
dea3101e | 346 | { |
ee959b00 | 347 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
348 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
349 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 350 | char fwrev[32]; |
2e0fef85 | 351 | |
dea3101e | 352 | lpfc_decode_firmware_rev(phba, fwrev, 1); |
92d7f7b0 | 353 | return snprintf(buf, PAGE_SIZE, "%s, sli-%d\n", fwrev, phba->sli_rev); |
dea3101e JB |
354 | } |
355 | ||
e59058c4 | 356 | /** |
3621a710 | 357 | * lpfc_hdw_show - Return the jedec information about the hba |
e59058c4 JS |
358 | * @dev: class converted to a Scsi_host structure. |
359 | * @attr: device attribute, not used. | |
360 | * @buf: on return contains the scsi vpd program type. | |
361 | * | |
362 | * Returns: size of formatted string. | |
363 | **/ | |
dea3101e | 364 | static ssize_t |
ee959b00 | 365 | lpfc_hdw_show(struct device *dev, struct device_attribute *attr, char *buf) |
dea3101e JB |
366 | { |
367 | char hdw[9]; | |
ee959b00 | 368 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
369 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
370 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 371 | lpfc_vpd_t *vp = &phba->vpd; |
2e0fef85 | 372 | |
dea3101e JB |
373 | lpfc_jedec_to_ascii(vp->rev.biuRev, hdw); |
374 | return snprintf(buf, PAGE_SIZE, "%s\n", hdw); | |
375 | } | |
e59058c4 JS |
376 | |
377 | /** | |
3621a710 | 378 | * lpfc_option_rom_version_show - Return the adapter ROM FCode version |
e59058c4 JS |
379 | * @dev: class converted to a Scsi_host structure. |
380 | * @attr: device attribute, not used. | |
381 | * @buf: on return contains the ROM and FCode ascii strings. | |
382 | * | |
383 | * Returns: size of formatted string. | |
384 | **/ | |
dea3101e | 385 | static ssize_t |
ee959b00 TJ |
386 | lpfc_option_rom_version_show(struct device *dev, struct device_attribute *attr, |
387 | char *buf) | |
dea3101e | 388 | { |
ee959b00 | 389 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
390 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
391 | struct lpfc_hba *phba = vport->phba; | |
392 | ||
dea3101e JB |
393 | return snprintf(buf, PAGE_SIZE, "%s\n", phba->OptionROMVersion); |
394 | } | |
e59058c4 JS |
395 | |
396 | /** | |
3621a710 | 397 | * lpfc_state_show - Return the link state of the port |
e59058c4 JS |
398 | * @dev: class converted to a Scsi_host structure. |
399 | * @attr: device attribute, not used. | |
400 | * @buf: on return contains text describing the state of the link. | |
401 | * | |
402 | * Notes: | |
403 | * The switch statement has no default so zero will be returned. | |
404 | * | |
405 | * Returns: size of formatted string. | |
406 | **/ | |
dea3101e | 407 | static ssize_t |
bbd1ae41 HR |
408 | lpfc_link_state_show(struct device *dev, struct device_attribute *attr, |
409 | char *buf) | |
dea3101e | 410 | { |
ee959b00 | 411 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
412 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
413 | struct lpfc_hba *phba = vport->phba; | |
414 | int len = 0; | |
415 | ||
416 | switch (phba->link_state) { | |
417 | case LPFC_LINK_UNKNOWN: | |
41415862 | 418 | case LPFC_WARM_START: |
dea3101e JB |
419 | case LPFC_INIT_START: |
420 | case LPFC_INIT_MBX_CMDS: | |
421 | case LPFC_LINK_DOWN: | |
2e0fef85 | 422 | case LPFC_HBA_ERROR: |
a0c87cbd JS |
423 | if (phba->hba_flag & LINK_DISABLED) |
424 | len += snprintf(buf + len, PAGE_SIZE-len, | |
425 | "Link Down - User disabled\n"); | |
426 | else | |
427 | len += snprintf(buf + len, PAGE_SIZE-len, | |
428 | "Link Down\n"); | |
dea3101e JB |
429 | break; |
430 | case LPFC_LINK_UP: | |
dea3101e | 431 | case LPFC_CLEAR_LA: |
dea3101e | 432 | case LPFC_HBA_READY: |
a8adb832 | 433 | len += snprintf(buf + len, PAGE_SIZE-len, "Link Up - "); |
2e0fef85 JS |
434 | |
435 | switch (vport->port_state) { | |
2e0fef85 JS |
436 | case LPFC_LOCAL_CFG_LINK: |
437 | len += snprintf(buf + len, PAGE_SIZE-len, | |
92d7f7b0 | 438 | "Configuring Link\n"); |
2e0fef85 | 439 | break; |
92d7f7b0 | 440 | case LPFC_FDISC: |
2e0fef85 JS |
441 | case LPFC_FLOGI: |
442 | case LPFC_FABRIC_CFG_LINK: | |
443 | case LPFC_NS_REG: | |
444 | case LPFC_NS_QRY: | |
445 | case LPFC_BUILD_DISC_LIST: | |
446 | case LPFC_DISC_AUTH: | |
447 | len += snprintf(buf + len, PAGE_SIZE - len, | |
448 | "Discovery\n"); | |
449 | break; | |
450 | case LPFC_VPORT_READY: | |
451 | len += snprintf(buf + len, PAGE_SIZE - len, "Ready\n"); | |
452 | break; | |
453 | ||
92d7f7b0 JS |
454 | case LPFC_VPORT_FAILED: |
455 | len += snprintf(buf + len, PAGE_SIZE - len, "Failed\n"); | |
456 | break; | |
457 | ||
458 | case LPFC_VPORT_UNKNOWN: | |
2e0fef85 JS |
459 | len += snprintf(buf + len, PAGE_SIZE - len, |
460 | "Unknown\n"); | |
461 | break; | |
462 | } | |
84774a4d JS |
463 | if (phba->sli.sli_flag & LPFC_MENLO_MAINT) |
464 | len += snprintf(buf + len, PAGE_SIZE-len, | |
465 | " Menlo Maint Mode\n"); | |
466 | else if (phba->fc_topology == TOPOLOGY_LOOP) { | |
2e0fef85 | 467 | if (vport->fc_flag & FC_PUBLIC_LOOP) |
dea3101e JB |
468 | len += snprintf(buf + len, PAGE_SIZE-len, |
469 | " Public Loop\n"); | |
470 | else | |
471 | len += snprintf(buf + len, PAGE_SIZE-len, | |
472 | " Private Loop\n"); | |
473 | } else { | |
2e0fef85 | 474 | if (vport->fc_flag & FC_FABRIC) |
dea3101e JB |
475 | len += snprintf(buf + len, PAGE_SIZE-len, |
476 | " Fabric\n"); | |
477 | else | |
478 | len += snprintf(buf + len, PAGE_SIZE-len, | |
479 | " Point-2-Point\n"); | |
480 | } | |
481 | } | |
2e0fef85 | 482 | |
dea3101e JB |
483 | return len; |
484 | } | |
485 | ||
84d1b006 JS |
486 | /** |
487 | * lpfc_link_state_store - Transition the link_state on an HBA port | |
488 | * @dev: class device that is converted into a Scsi_host. | |
489 | * @attr: device attribute, not used. | |
490 | * @buf: one or more lpfc_polling_flags values. | |
491 | * @count: not used. | |
492 | * | |
493 | * Returns: | |
494 | * -EINVAL if the buffer is not "up" or "down" | |
495 | * return from link state change function if non-zero | |
496 | * length of the buf on success | |
497 | **/ | |
498 | static ssize_t | |
499 | lpfc_link_state_store(struct device *dev, struct device_attribute *attr, | |
500 | const char *buf, size_t count) | |
501 | { | |
502 | struct Scsi_Host *shost = class_to_shost(dev); | |
503 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
504 | struct lpfc_hba *phba = vport->phba; | |
505 | ||
506 | int status = -EINVAL; | |
507 | ||
508 | if ((strncmp(buf, "up", sizeof("up") - 1) == 0) && | |
509 | (phba->link_state == LPFC_LINK_DOWN)) | |
6e7288d9 | 510 | status = phba->lpfc_hba_init_link(phba, MBX_NOWAIT); |
84d1b006 JS |
511 | else if ((strncmp(buf, "down", sizeof("down") - 1) == 0) && |
512 | (phba->link_state >= LPFC_LINK_UP)) | |
6e7288d9 | 513 | status = phba->lpfc_hba_down_link(phba, MBX_NOWAIT); |
84d1b006 JS |
514 | |
515 | if (status == 0) | |
516 | return strlen(buf); | |
517 | else | |
518 | return status; | |
519 | } | |
520 | ||
e59058c4 | 521 | /** |
3621a710 | 522 | * lpfc_num_discovered_ports_show - Return sum of mapped and unmapped vports |
e59058c4 JS |
523 | * @dev: class device that is converted into a Scsi_host. |
524 | * @attr: device attribute, not used. | |
525 | * @buf: on return contains the sum of fc mapped and unmapped. | |
526 | * | |
527 | * Description: | |
528 | * Returns the ascii text number of the sum of the fc mapped and unmapped | |
529 | * vport counts. | |
530 | * | |
531 | * Returns: size of formatted string. | |
532 | **/ | |
dea3101e | 533 | static ssize_t |
ee959b00 TJ |
534 | lpfc_num_discovered_ports_show(struct device *dev, |
535 | struct device_attribute *attr, char *buf) | |
dea3101e | 536 | { |
ee959b00 | 537 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
538 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
539 | ||
540 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
541 | vport->fc_map_cnt + vport->fc_unmap_cnt); | |
dea3101e JB |
542 | } |
543 | ||
e59058c4 | 544 | /** |
3621a710 | 545 | * lpfc_issue_lip - Misnomer, name carried over from long ago |
e59058c4 JS |
546 | * @shost: Scsi_Host pointer. |
547 | * | |
548 | * Description: | |
549 | * Bring the link down gracefully then re-init the link. The firmware will | |
550 | * re-init the fiber channel interface as required. Does not issue a LIP. | |
551 | * | |
552 | * Returns: | |
553 | * -EPERM port offline or management commands are being blocked | |
554 | * -ENOMEM cannot allocate memory for the mailbox command | |
555 | * -EIO error sending the mailbox command | |
556 | * zero for success | |
557 | **/ | |
91ca7b01 | 558 | static int |
2e0fef85 | 559 | lpfc_issue_lip(struct Scsi_Host *shost) |
dea3101e | 560 | { |
2e0fef85 JS |
561 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
562 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
563 | LPFC_MBOXQ_t *pmboxq; |
564 | int mbxstatus = MBXERR_ERROR; | |
565 | ||
2e0fef85 | 566 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
83108bd3 | 567 | (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)) |
dea3101e JB |
568 | return -EPERM; |
569 | ||
570 | pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL); | |
571 | ||
572 | if (!pmboxq) | |
573 | return -ENOMEM; | |
574 | ||
575 | memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t)); | |
04c68496 JS |
576 | pmboxq->u.mb.mbxCommand = MBX_DOWN_LINK; |
577 | pmboxq->u.mb.mbxOwner = OWN_HOST; | |
4db621e0 | 578 | |
33ccf8d1 | 579 | mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO * 2); |
dea3101e | 580 | |
04c68496 JS |
581 | if ((mbxstatus == MBX_SUCCESS) && |
582 | (pmboxq->u.mb.mbxStatus == 0 || | |
583 | pmboxq->u.mb.mbxStatus == MBXERR_LINK_DOWN)) { | |
4db621e0 JS |
584 | memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t)); |
585 | lpfc_init_link(phba, pmboxq, phba->cfg_topology, | |
586 | phba->cfg_link_speed); | |
587 | mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, | |
588 | phba->fc_ratov * 2); | |
589 | } | |
590 | ||
5b8bd0c9 | 591 | lpfc_set_loopback_flag(phba); |
858c9f6c | 592 | if (mbxstatus != MBX_TIMEOUT) |
433c3579 | 593 | mempool_free(pmboxq, phba->mbox_mem_pool); |
dea3101e JB |
594 | |
595 | if (mbxstatus == MBXERR_ERROR) | |
596 | return -EIO; | |
597 | ||
91ca7b01 | 598 | return 0; |
dea3101e JB |
599 | } |
600 | ||
e59058c4 | 601 | /** |
3621a710 | 602 | * lpfc_do_offline - Issues a mailbox command to bring the link down |
e59058c4 JS |
603 | * @phba: lpfc_hba pointer. |
604 | * @type: LPFC_EVT_OFFLINE, LPFC_EVT_WARM_START, LPFC_EVT_KILL. | |
605 | * | |
606 | * Notes: | |
607 | * Assumes any error from lpfc_do_offline() will be negative. | |
608 | * Can wait up to 5 seconds for the port ring buffers count | |
609 | * to reach zero, prints a warning if it is not zero and continues. | |
3621a710 | 610 | * lpfc_workq_post_event() returns a non-zero return code if call fails. |
e59058c4 JS |
611 | * |
612 | * Returns: | |
613 | * -EIO error posting the event | |
614 | * zero for success | |
615 | **/ | |
40496f07 | 616 | static int |
46fa311e | 617 | lpfc_do_offline(struct lpfc_hba *phba, uint32_t type) |
40496f07 JS |
618 | { |
619 | struct completion online_compl; | |
46fa311e JS |
620 | struct lpfc_sli_ring *pring; |
621 | struct lpfc_sli *psli; | |
40496f07 | 622 | int status = 0; |
46fa311e JS |
623 | int cnt = 0; |
624 | int i; | |
40496f07 JS |
625 | |
626 | init_completion(&online_compl); | |
627 | lpfc_workq_post_event(phba, &status, &online_compl, | |
46fa311e JS |
628 | LPFC_EVT_OFFLINE_PREP); |
629 | wait_for_completion(&online_compl); | |
630 | ||
631 | if (status != 0) | |
632 | return -EIO; | |
633 | ||
634 | psli = &phba->sli; | |
635 | ||
09372820 JS |
636 | /* Wait a little for things to settle down, but not |
637 | * long enough for dev loss timeout to expire. | |
638 | */ | |
46fa311e JS |
639 | for (i = 0; i < psli->num_rings; i++) { |
640 | pring = &psli->ring[i]; | |
46fa311e JS |
641 | while (pring->txcmplq_cnt) { |
642 | msleep(10); | |
09372820 | 643 | if (cnt++ > 500) { /* 5 secs */ |
46fa311e JS |
644 | lpfc_printf_log(phba, |
645 | KERN_WARNING, LOG_INIT, | |
e8b62011 JS |
646 | "0466 Outstanding IO when " |
647 | "bringing Adapter offline\n"); | |
46fa311e JS |
648 | break; |
649 | } | |
650 | } | |
651 | } | |
652 | ||
653 | init_completion(&online_compl); | |
654 | lpfc_workq_post_event(phba, &status, &online_compl, type); | |
40496f07 JS |
655 | wait_for_completion(&online_compl); |
656 | ||
657 | if (status != 0) | |
658 | return -EIO; | |
659 | ||
46fa311e JS |
660 | return 0; |
661 | } | |
662 | ||
e59058c4 | 663 | /** |
3621a710 | 664 | * lpfc_selective_reset - Offline then onlines the port |
e59058c4 JS |
665 | * @phba: lpfc_hba pointer. |
666 | * | |
667 | * Description: | |
668 | * If the port is configured to allow a reset then the hba is brought | |
669 | * offline then online. | |
670 | * | |
671 | * Notes: | |
672 | * Assumes any error from lpfc_do_offline() will be negative. | |
673 | * | |
674 | * Returns: | |
675 | * lpfc_do_offline() return code if not zero | |
676 | * -EIO reset not configured or error posting the event | |
677 | * zero for success | |
678 | **/ | |
46fa311e JS |
679 | static int |
680 | lpfc_selective_reset(struct lpfc_hba *phba) | |
681 | { | |
682 | struct completion online_compl; | |
683 | int status = 0; | |
684 | ||
13815c83 JS |
685 | if (!phba->cfg_enable_hba_reset) |
686 | return -EIO; | |
687 | ||
46fa311e JS |
688 | status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); |
689 | ||
690 | if (status != 0) | |
691 | return status; | |
692 | ||
40496f07 JS |
693 | init_completion(&online_compl); |
694 | lpfc_workq_post_event(phba, &status, &online_compl, | |
695 | LPFC_EVT_ONLINE); | |
696 | wait_for_completion(&online_compl); | |
697 | ||
698 | if (status != 0) | |
699 | return -EIO; | |
700 | ||
701 | return 0; | |
702 | } | |
703 | ||
e59058c4 | 704 | /** |
3621a710 | 705 | * lpfc_issue_reset - Selectively resets an adapter |
e59058c4 JS |
706 | * @dev: class device that is converted into a Scsi_host. |
707 | * @attr: device attribute, not used. | |
708 | * @buf: containing the string "selective". | |
709 | * @count: unused variable. | |
710 | * | |
711 | * Description: | |
712 | * If the buf contains the string "selective" then lpfc_selective_reset() | |
713 | * is called to perform the reset. | |
714 | * | |
715 | * Notes: | |
716 | * Assumes any error from lpfc_selective_reset() will be negative. | |
717 | * If lpfc_selective_reset() returns zero then the length of the buffer | |
af901ca1 | 718 | * is returned which indicates success |
e59058c4 JS |
719 | * |
720 | * Returns: | |
721 | * -EINVAL if the buffer does not contain the string "selective" | |
722 | * length of buf if lpfc-selective_reset() if the call succeeds | |
723 | * return value of lpfc_selective_reset() if the call fails | |
724 | **/ | |
40496f07 | 725 | static ssize_t |
ee959b00 TJ |
726 | lpfc_issue_reset(struct device *dev, struct device_attribute *attr, |
727 | const char *buf, size_t count) | |
40496f07 | 728 | { |
ee959b00 | 729 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
730 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
731 | struct lpfc_hba *phba = vport->phba; | |
732 | ||
40496f07 JS |
733 | int status = -EINVAL; |
734 | ||
735 | if (strncmp(buf, "selective", sizeof("selective") - 1) == 0) | |
736 | status = lpfc_selective_reset(phba); | |
737 | ||
738 | if (status == 0) | |
739 | return strlen(buf); | |
740 | else | |
741 | return status; | |
742 | } | |
743 | ||
e59058c4 | 744 | /** |
3621a710 | 745 | * lpfc_nport_evt_cnt_show - Return the number of nport events |
e59058c4 JS |
746 | * @dev: class device that is converted into a Scsi_host. |
747 | * @attr: device attribute, not used. | |
748 | * @buf: on return contains the ascii number of nport events. | |
749 | * | |
750 | * Returns: size of formatted string. | |
751 | **/ | |
dea3101e | 752 | static ssize_t |
ee959b00 TJ |
753 | lpfc_nport_evt_cnt_show(struct device *dev, struct device_attribute *attr, |
754 | char *buf) | |
dea3101e | 755 | { |
ee959b00 | 756 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
757 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
758 | struct lpfc_hba *phba = vport->phba; | |
759 | ||
dea3101e JB |
760 | return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt); |
761 | } | |
762 | ||
e59058c4 | 763 | /** |
3621a710 | 764 | * lpfc_board_mode_show - Return the state of the board |
e59058c4 JS |
765 | * @dev: class device that is converted into a Scsi_host. |
766 | * @attr: device attribute, not used. | |
767 | * @buf: on return contains the state of the adapter. | |
768 | * | |
769 | * Returns: size of formatted string. | |
770 | **/ | |
41415862 | 771 | static ssize_t |
ee959b00 TJ |
772 | lpfc_board_mode_show(struct device *dev, struct device_attribute *attr, |
773 | char *buf) | |
41415862 | 774 | { |
ee959b00 | 775 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
776 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
777 | struct lpfc_hba *phba = vport->phba; | |
41415862 JW |
778 | char * state; |
779 | ||
2e0fef85 | 780 | if (phba->link_state == LPFC_HBA_ERROR) |
41415862 | 781 | state = "error"; |
2e0fef85 | 782 | else if (phba->link_state == LPFC_WARM_START) |
41415862 | 783 | state = "warm start"; |
2e0fef85 | 784 | else if (phba->link_state == LPFC_INIT_START) |
41415862 JW |
785 | state = "offline"; |
786 | else | |
787 | state = "online"; | |
788 | ||
789 | return snprintf(buf, PAGE_SIZE, "%s\n", state); | |
790 | } | |
791 | ||
e59058c4 | 792 | /** |
3621a710 | 793 | * lpfc_board_mode_store - Puts the hba in online, offline, warm or error state |
e59058c4 JS |
794 | * @dev: class device that is converted into a Scsi_host. |
795 | * @attr: device attribute, not used. | |
796 | * @buf: containing one of the strings "online", "offline", "warm" or "error". | |
797 | * @count: unused variable. | |
798 | * | |
799 | * Returns: | |
800 | * -EACCES if enable hba reset not enabled | |
801 | * -EINVAL if the buffer does not contain a valid string (see above) | |
802 | * -EIO if lpfc_workq_post_event() or lpfc_do_offline() fails | |
803 | * buf length greater than zero indicates success | |
804 | **/ | |
41415862 | 805 | static ssize_t |
ee959b00 TJ |
806 | lpfc_board_mode_store(struct device *dev, struct device_attribute *attr, |
807 | const char *buf, size_t count) | |
41415862 | 808 | { |
ee959b00 | 809 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
810 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
811 | struct lpfc_hba *phba = vport->phba; | |
41415862 JW |
812 | struct completion online_compl; |
813 | int status=0; | |
814 | ||
13815c83 JS |
815 | if (!phba->cfg_enable_hba_reset) |
816 | return -EACCES; | |
41415862 JW |
817 | init_completion(&online_compl); |
818 | ||
46fa311e | 819 | if(strncmp(buf, "online", sizeof("online") - 1) == 0) { |
41415862 JW |
820 | lpfc_workq_post_event(phba, &status, &online_compl, |
821 | LPFC_EVT_ONLINE); | |
46fa311e JS |
822 | wait_for_completion(&online_compl); |
823 | } else if (strncmp(buf, "offline", sizeof("offline") - 1) == 0) | |
824 | status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); | |
41415862 | 825 | else if (strncmp(buf, "warm", sizeof("warm") - 1) == 0) |
6a9c52cf JS |
826 | if (phba->sli_rev == LPFC_SLI_REV4) |
827 | return -EINVAL; | |
828 | else | |
829 | status = lpfc_do_offline(phba, LPFC_EVT_WARM_START); | |
46fa311e | 830 | else if (strncmp(buf, "error", sizeof("error") - 1) == 0) |
6a9c52cf JS |
831 | if (phba->sli_rev == LPFC_SLI_REV4) |
832 | return -EINVAL; | |
833 | else | |
834 | status = lpfc_do_offline(phba, LPFC_EVT_KILL); | |
41415862 JW |
835 | else |
836 | return -EINVAL; | |
837 | ||
41415862 JW |
838 | if (!status) |
839 | return strlen(buf); | |
840 | else | |
841 | return -EIO; | |
842 | } | |
843 | ||
e59058c4 | 844 | /** |
3621a710 | 845 | * lpfc_get_hba_info - Return various bits of informaton about the adapter |
e59058c4 | 846 | * @phba: pointer to the adapter structure. |
3621a710 JS |
847 | * @mxri: max xri count. |
848 | * @axri: available xri count. | |
849 | * @mrpi: max rpi count. | |
850 | * @arpi: available rpi count. | |
851 | * @mvpi: max vpi count. | |
852 | * @avpi: available vpi count. | |
e59058c4 JS |
853 | * |
854 | * Description: | |
855 | * If an integer pointer for an count is not null then the value for the | |
856 | * count is returned. | |
857 | * | |
858 | * Returns: | |
859 | * zero on error | |
860 | * one for success | |
861 | **/ | |
311464ec | 862 | static int |
858c9f6c JS |
863 | lpfc_get_hba_info(struct lpfc_hba *phba, |
864 | uint32_t *mxri, uint32_t *axri, | |
865 | uint32_t *mrpi, uint32_t *arpi, | |
866 | uint32_t *mvpi, uint32_t *avpi) | |
92d7f7b0 | 867 | { |
04c68496 | 868 | struct lpfc_mbx_read_config *rd_config; |
92d7f7b0 JS |
869 | LPFC_MBOXQ_t *pmboxq; |
870 | MAILBOX_t *pmb; | |
871 | int rc = 0; | |
15672319 | 872 | uint32_t max_vpi; |
92d7f7b0 JS |
873 | |
874 | /* | |
875 | * prevent udev from issuing mailbox commands until the port is | |
876 | * configured. | |
877 | */ | |
878 | if (phba->link_state < LPFC_LINK_DOWN || | |
879 | !phba->mbox_mem_pool || | |
f4b4c68f | 880 | (phba->sli.sli_flag & LPFC_SLI_ACTIVE) == 0) |
92d7f7b0 JS |
881 | return 0; |
882 | ||
883 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) | |
884 | return 0; | |
885 | ||
886 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
887 | if (!pmboxq) | |
888 | return 0; | |
889 | memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); | |
890 | ||
04c68496 | 891 | pmb = &pmboxq->u.mb; |
92d7f7b0 JS |
892 | pmb->mbxCommand = MBX_READ_CONFIG; |
893 | pmb->mbxOwner = OWN_HOST; | |
894 | pmboxq->context1 = NULL; | |
895 | ||
75baf696 | 896 | if (phba->pport->fc_flag & FC_OFFLINE_MODE) |
92d7f7b0 JS |
897 | rc = MBX_NOT_FINISHED; |
898 | else | |
899 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); | |
900 | ||
901 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 902 | if (rc != MBX_TIMEOUT) |
92d7f7b0 JS |
903 | mempool_free(pmboxq, phba->mbox_mem_pool); |
904 | return 0; | |
905 | } | |
906 | ||
da0436e9 JS |
907 | if (phba->sli_rev == LPFC_SLI_REV4) { |
908 | rd_config = &pmboxq->u.mqe.un.rd_config; | |
909 | if (mrpi) | |
910 | *mrpi = bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config); | |
911 | if (arpi) | |
912 | *arpi = bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config) - | |
913 | phba->sli4_hba.max_cfg_param.rpi_used; | |
914 | if (mxri) | |
915 | *mxri = bf_get(lpfc_mbx_rd_conf_xri_count, rd_config); | |
916 | if (axri) | |
917 | *axri = bf_get(lpfc_mbx_rd_conf_xri_count, rd_config) - | |
918 | phba->sli4_hba.max_cfg_param.xri_used; | |
15672319 JS |
919 | |
920 | /* Account for differences with SLI-3. Get vpi count from | |
921 | * mailbox data and subtract one for max vpi value. | |
922 | */ | |
923 | max_vpi = (bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) > 0) ? | |
924 | (bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) - 1) : 0; | |
925 | ||
da0436e9 | 926 | if (mvpi) |
15672319 | 927 | *mvpi = max_vpi; |
da0436e9 | 928 | if (avpi) |
15672319 | 929 | *avpi = max_vpi - phba->sli4_hba.max_cfg_param.vpi_used; |
da0436e9 JS |
930 | } else { |
931 | if (mrpi) | |
932 | *mrpi = pmb->un.varRdConfig.max_rpi; | |
933 | if (arpi) | |
934 | *arpi = pmb->un.varRdConfig.avail_rpi; | |
935 | if (mxri) | |
936 | *mxri = pmb->un.varRdConfig.max_xri; | |
937 | if (axri) | |
938 | *axri = pmb->un.varRdConfig.avail_xri; | |
939 | if (mvpi) | |
940 | *mvpi = pmb->un.varRdConfig.max_vpi; | |
941 | if (avpi) | |
942 | *avpi = pmb->un.varRdConfig.avail_vpi; | |
943 | } | |
92d7f7b0 JS |
944 | |
945 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
946 | return 1; | |
947 | } | |
948 | ||
e59058c4 | 949 | /** |
3621a710 | 950 | * lpfc_max_rpi_show - Return maximum rpi |
e59058c4 JS |
951 | * @dev: class device that is converted into a Scsi_host. |
952 | * @attr: device attribute, not used. | |
953 | * @buf: on return contains the maximum rpi count in decimal or "Unknown". | |
954 | * | |
955 | * Description: | |
956 | * Calls lpfc_get_hba_info() asking for just the mrpi count. | |
957 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
958 | * to "Unknown" and the buffer length is returned, therefore the caller | |
959 | * must check for "Unknown" in the buffer to detect a failure. | |
960 | * | |
961 | * Returns: size of formatted string. | |
962 | **/ | |
92d7f7b0 | 963 | static ssize_t |
ee959b00 TJ |
964 | lpfc_max_rpi_show(struct device *dev, struct device_attribute *attr, |
965 | char *buf) | |
92d7f7b0 | 966 | { |
ee959b00 | 967 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
968 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
969 | struct lpfc_hba *phba = vport->phba; | |
970 | uint32_t cnt; | |
971 | ||
858c9f6c | 972 | if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, NULL, NULL, NULL)) |
92d7f7b0 JS |
973 | return snprintf(buf, PAGE_SIZE, "%d\n", cnt); |
974 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
975 | } | |
976 | ||
e59058c4 | 977 | /** |
3621a710 | 978 | * lpfc_used_rpi_show - Return maximum rpi minus available rpi |
e59058c4 JS |
979 | * @dev: class device that is converted into a Scsi_host. |
980 | * @attr: device attribute, not used. | |
981 | * @buf: containing the used rpi count in decimal or "Unknown". | |
982 | * | |
983 | * Description: | |
984 | * Calls lpfc_get_hba_info() asking for just the mrpi and arpi counts. | |
985 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
986 | * to "Unknown" and the buffer length is returned, therefore the caller | |
987 | * must check for "Unknown" in the buffer to detect a failure. | |
988 | * | |
989 | * Returns: size of formatted string. | |
990 | **/ | |
92d7f7b0 | 991 | static ssize_t |
ee959b00 TJ |
992 | lpfc_used_rpi_show(struct device *dev, struct device_attribute *attr, |
993 | char *buf) | |
92d7f7b0 | 994 | { |
ee959b00 | 995 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
996 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
997 | struct lpfc_hba *phba = vport->phba; | |
998 | uint32_t cnt, acnt; | |
999 | ||
858c9f6c | 1000 | if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, &acnt, NULL, NULL)) |
92d7f7b0 JS |
1001 | return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt)); |
1002 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1003 | } | |
1004 | ||
e59058c4 | 1005 | /** |
3621a710 | 1006 | * lpfc_max_xri_show - Return maximum xri |
e59058c4 JS |
1007 | * @dev: class device that is converted into a Scsi_host. |
1008 | * @attr: device attribute, not used. | |
1009 | * @buf: on return contains the maximum xri count in decimal or "Unknown". | |
1010 | * | |
1011 | * Description: | |
1012 | * Calls lpfc_get_hba_info() asking for just the mrpi count. | |
1013 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
1014 | * to "Unknown" and the buffer length is returned, therefore the caller | |
1015 | * must check for "Unknown" in the buffer to detect a failure. | |
1016 | * | |
1017 | * Returns: size of formatted string. | |
1018 | **/ | |
92d7f7b0 | 1019 | static ssize_t |
ee959b00 TJ |
1020 | lpfc_max_xri_show(struct device *dev, struct device_attribute *attr, |
1021 | char *buf) | |
92d7f7b0 | 1022 | { |
ee959b00 | 1023 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
1024 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1025 | struct lpfc_hba *phba = vport->phba; | |
1026 | uint32_t cnt; | |
1027 | ||
858c9f6c | 1028 | if (lpfc_get_hba_info(phba, &cnt, NULL, NULL, NULL, NULL, NULL)) |
92d7f7b0 JS |
1029 | return snprintf(buf, PAGE_SIZE, "%d\n", cnt); |
1030 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1031 | } | |
1032 | ||
e59058c4 | 1033 | /** |
3621a710 | 1034 | * lpfc_used_xri_show - Return maximum xpi minus the available xpi |
e59058c4 JS |
1035 | * @dev: class device that is converted into a Scsi_host. |
1036 | * @attr: device attribute, not used. | |
1037 | * @buf: on return contains the used xri count in decimal or "Unknown". | |
1038 | * | |
1039 | * Description: | |
1040 | * Calls lpfc_get_hba_info() asking for just the mxri and axri counts. | |
1041 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
1042 | * to "Unknown" and the buffer length is returned, therefore the caller | |
1043 | * must check for "Unknown" in the buffer to detect a failure. | |
1044 | * | |
1045 | * Returns: size of formatted string. | |
1046 | **/ | |
92d7f7b0 | 1047 | static ssize_t |
ee959b00 TJ |
1048 | lpfc_used_xri_show(struct device *dev, struct device_attribute *attr, |
1049 | char *buf) | |
92d7f7b0 | 1050 | { |
ee959b00 | 1051 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
1052 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1053 | struct lpfc_hba *phba = vport->phba; | |
1054 | uint32_t cnt, acnt; | |
1055 | ||
858c9f6c JS |
1056 | if (lpfc_get_hba_info(phba, &cnt, &acnt, NULL, NULL, NULL, NULL)) |
1057 | return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt)); | |
1058 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1059 | } | |
1060 | ||
e59058c4 | 1061 | /** |
3621a710 | 1062 | * lpfc_max_vpi_show - Return maximum vpi |
e59058c4 JS |
1063 | * @dev: class device that is converted into a Scsi_host. |
1064 | * @attr: device attribute, not used. | |
1065 | * @buf: on return contains the maximum vpi count in decimal or "Unknown". | |
1066 | * | |
1067 | * Description: | |
1068 | * Calls lpfc_get_hba_info() asking for just the mvpi count. | |
1069 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
1070 | * to "Unknown" and the buffer length is returned, therefore the caller | |
1071 | * must check for "Unknown" in the buffer to detect a failure. | |
1072 | * | |
1073 | * Returns: size of formatted string. | |
1074 | **/ | |
858c9f6c | 1075 | static ssize_t |
ee959b00 TJ |
1076 | lpfc_max_vpi_show(struct device *dev, struct device_attribute *attr, |
1077 | char *buf) | |
858c9f6c | 1078 | { |
ee959b00 | 1079 | struct Scsi_Host *shost = class_to_shost(dev); |
858c9f6c JS |
1080 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1081 | struct lpfc_hba *phba = vport->phba; | |
1082 | uint32_t cnt; | |
1083 | ||
1084 | if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, NULL)) | |
1085 | return snprintf(buf, PAGE_SIZE, "%d\n", cnt); | |
1086 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1087 | } | |
1088 | ||
e59058c4 | 1089 | /** |
3621a710 | 1090 | * lpfc_used_vpi_show - Return maximum vpi minus the available vpi |
e59058c4 JS |
1091 | * @dev: class device that is converted into a Scsi_host. |
1092 | * @attr: device attribute, not used. | |
1093 | * @buf: on return contains the used vpi count in decimal or "Unknown". | |
1094 | * | |
1095 | * Description: | |
1096 | * Calls lpfc_get_hba_info() asking for just the mvpi and avpi counts. | |
1097 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
1098 | * to "Unknown" and the buffer length is returned, therefore the caller | |
1099 | * must check for "Unknown" in the buffer to detect a failure. | |
1100 | * | |
1101 | * Returns: size of formatted string. | |
1102 | **/ | |
858c9f6c | 1103 | static ssize_t |
ee959b00 TJ |
1104 | lpfc_used_vpi_show(struct device *dev, struct device_attribute *attr, |
1105 | char *buf) | |
858c9f6c | 1106 | { |
ee959b00 | 1107 | struct Scsi_Host *shost = class_to_shost(dev); |
858c9f6c JS |
1108 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1109 | struct lpfc_hba *phba = vport->phba; | |
1110 | uint32_t cnt, acnt; | |
1111 | ||
1112 | if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, &acnt)) | |
92d7f7b0 JS |
1113 | return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt)); |
1114 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1115 | } | |
1116 | ||
e59058c4 | 1117 | /** |
3621a710 | 1118 | * lpfc_npiv_info_show - Return text about NPIV support for the adapter |
e59058c4 JS |
1119 | * @dev: class device that is converted into a Scsi_host. |
1120 | * @attr: device attribute, not used. | |
1121 | * @buf: text that must be interpreted to determine if npiv is supported. | |
1122 | * | |
1123 | * Description: | |
1124 | * Buffer will contain text indicating npiv is not suppoerted on the port, | |
1125 | * the port is an NPIV physical port, or it is an npiv virtual port with | |
1126 | * the id of the vport. | |
1127 | * | |
1128 | * Returns: size of formatted string. | |
1129 | **/ | |
92d7f7b0 | 1130 | static ssize_t |
ee959b00 TJ |
1131 | lpfc_npiv_info_show(struct device *dev, struct device_attribute *attr, |
1132 | char *buf) | |
92d7f7b0 | 1133 | { |
ee959b00 | 1134 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
1135 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1136 | struct lpfc_hba *phba = vport->phba; | |
1137 | ||
1138 | if (!(phba->max_vpi)) | |
1139 | return snprintf(buf, PAGE_SIZE, "NPIV Not Supported\n"); | |
1140 | if (vport->port_type == LPFC_PHYSICAL_PORT) | |
1141 | return snprintf(buf, PAGE_SIZE, "NPIV Physical\n"); | |
1142 | return snprintf(buf, PAGE_SIZE, "NPIV Virtual (VPI %d)\n", vport->vpi); | |
1143 | } | |
1144 | ||
e59058c4 | 1145 | /** |
3621a710 | 1146 | * lpfc_poll_show - Return text about poll support for the adapter |
e59058c4 JS |
1147 | * @dev: class device that is converted into a Scsi_host. |
1148 | * @attr: device attribute, not used. | |
1149 | * @buf: on return contains the cfg_poll in hex. | |
1150 | * | |
1151 | * Notes: | |
1152 | * cfg_poll should be a lpfc_polling_flags type. | |
1153 | * | |
1154 | * Returns: size of formatted string. | |
1155 | **/ | |
875fbdfe | 1156 | static ssize_t |
ee959b00 TJ |
1157 | lpfc_poll_show(struct device *dev, struct device_attribute *attr, |
1158 | char *buf) | |
875fbdfe | 1159 | { |
ee959b00 | 1160 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1161 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1162 | struct lpfc_hba *phba = vport->phba; | |
875fbdfe JSEC |
1163 | |
1164 | return snprintf(buf, PAGE_SIZE, "%#x\n", phba->cfg_poll); | |
1165 | } | |
1166 | ||
e59058c4 | 1167 | /** |
3621a710 | 1168 | * lpfc_poll_store - Set the value of cfg_poll for the adapter |
e59058c4 JS |
1169 | * @dev: class device that is converted into a Scsi_host. |
1170 | * @attr: device attribute, not used. | |
1171 | * @buf: one or more lpfc_polling_flags values. | |
1172 | * @count: not used. | |
1173 | * | |
1174 | * Notes: | |
1175 | * buf contents converted to integer and checked for a valid value. | |
1176 | * | |
1177 | * Returns: | |
1178 | * -EINVAL if the buffer connot be converted or is out of range | |
1179 | * length of the buf on success | |
1180 | **/ | |
875fbdfe | 1181 | static ssize_t |
ee959b00 TJ |
1182 | lpfc_poll_store(struct device *dev, struct device_attribute *attr, |
1183 | const char *buf, size_t count) | |
875fbdfe | 1184 | { |
ee959b00 | 1185 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1186 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1187 | struct lpfc_hba *phba = vport->phba; | |
875fbdfe JSEC |
1188 | uint32_t creg_val; |
1189 | uint32_t old_val; | |
1190 | int val=0; | |
1191 | ||
1192 | if (!isdigit(buf[0])) | |
1193 | return -EINVAL; | |
1194 | ||
1195 | if (sscanf(buf, "%i", &val) != 1) | |
1196 | return -EINVAL; | |
1197 | ||
1198 | if ((val & 0x3) != val) | |
1199 | return -EINVAL; | |
1200 | ||
45ed1190 JS |
1201 | if (phba->sli_rev == LPFC_SLI_REV4) |
1202 | val = 0; | |
1203 | ||
2e0fef85 | 1204 | spin_lock_irq(&phba->hbalock); |
875fbdfe JSEC |
1205 | |
1206 | old_val = phba->cfg_poll; | |
1207 | ||
1208 | if (val & ENABLE_FCP_RING_POLLING) { | |
1209 | if ((val & DISABLE_FCP_RING_INT) && | |
1210 | !(old_val & DISABLE_FCP_RING_INT)) { | |
1211 | creg_val = readl(phba->HCregaddr); | |
1212 | creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING); | |
1213 | writel(creg_val, phba->HCregaddr); | |
1214 | readl(phba->HCregaddr); /* flush */ | |
1215 | ||
1216 | lpfc_poll_start_timer(phba); | |
1217 | } | |
1218 | } else if (val != 0x0) { | |
2e0fef85 | 1219 | spin_unlock_irq(&phba->hbalock); |
875fbdfe JSEC |
1220 | return -EINVAL; |
1221 | } | |
1222 | ||
1223 | if (!(val & DISABLE_FCP_RING_INT) && | |
1224 | (old_val & DISABLE_FCP_RING_INT)) | |
1225 | { | |
2e0fef85 | 1226 | spin_unlock_irq(&phba->hbalock); |
875fbdfe | 1227 | del_timer(&phba->fcp_poll_timer); |
2e0fef85 | 1228 | spin_lock_irq(&phba->hbalock); |
875fbdfe JSEC |
1229 | creg_val = readl(phba->HCregaddr); |
1230 | creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING); | |
1231 | writel(creg_val, phba->HCregaddr); | |
1232 | readl(phba->HCregaddr); /* flush */ | |
1233 | } | |
1234 | ||
1235 | phba->cfg_poll = val; | |
1236 | ||
2e0fef85 | 1237 | spin_unlock_irq(&phba->hbalock); |
875fbdfe JSEC |
1238 | |
1239 | return strlen(buf); | |
1240 | } | |
dea3101e | 1241 | |
bc73905a JS |
1242 | /** |
1243 | * lpfc_fips_level_show - Return the current FIPS level for the HBA | |
1244 | * @dev: class unused variable. | |
1245 | * @attr: device attribute, not used. | |
1246 | * @buf: on return contains the module description text. | |
1247 | * | |
1248 | * Returns: size of formatted string. | |
1249 | **/ | |
1250 | static ssize_t | |
1251 | lpfc_fips_level_show(struct device *dev, struct device_attribute *attr, | |
1252 | char *buf) | |
1253 | { | |
1254 | struct Scsi_Host *shost = class_to_shost(dev); | |
1255 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
1256 | struct lpfc_hba *phba = vport->phba; | |
1257 | ||
1258 | return snprintf(buf, PAGE_SIZE, "%d\n", phba->fips_level); | |
1259 | } | |
1260 | ||
1261 | /** | |
1262 | * lpfc_fips_rev_show - Return the FIPS Spec revision for the HBA | |
1263 | * @dev: class unused variable. | |
1264 | * @attr: device attribute, not used. | |
1265 | * @buf: on return contains the module description text. | |
1266 | * | |
1267 | * Returns: size of formatted string. | |
1268 | **/ | |
1269 | static ssize_t | |
1270 | lpfc_fips_rev_show(struct device *dev, struct device_attribute *attr, | |
1271 | char *buf) | |
1272 | { | |
1273 | struct Scsi_Host *shost = class_to_shost(dev); | |
1274 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
1275 | struct lpfc_hba *phba = vport->phba; | |
1276 | ||
1277 | return snprintf(buf, PAGE_SIZE, "%d\n", phba->fips_spec_rev); | |
1278 | } | |
1279 | ||
e59058c4 | 1280 | /** |
3621a710 | 1281 | * lpfc_param_show - Return a cfg attribute value in decimal |
e59058c4 JS |
1282 | * |
1283 | * Description: | |
1284 | * Macro that given an attr e.g. hba_queue_depth expands | |
1285 | * into a function with the name lpfc_hba_queue_depth_show. | |
1286 | * | |
1287 | * lpfc_##attr##_show: Return the decimal value of an adapters cfg_xxx field. | |
1288 | * @dev: class device that is converted into a Scsi_host. | |
1289 | * @attr: device attribute, not used. | |
1290 | * @buf: on return contains the attribute value in decimal. | |
1291 | * | |
1292 | * Returns: size of formatted string. | |
1293 | **/ | |
dea3101e JB |
1294 | #define lpfc_param_show(attr) \ |
1295 | static ssize_t \ | |
ee959b00 TJ |
1296 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
1297 | char *buf) \ | |
dea3101e | 1298 | { \ |
ee959b00 | 1299 | struct Scsi_Host *shost = class_to_shost(dev);\ |
2e0fef85 JS |
1300 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
1301 | struct lpfc_hba *phba = vport->phba;\ | |
84d1b006 | 1302 | uint val = 0;\ |
7bcbb752 JSEC |
1303 | val = phba->cfg_##attr;\ |
1304 | return snprintf(buf, PAGE_SIZE, "%d\n",\ | |
1305 | phba->cfg_##attr);\ | |
1306 | } | |
1307 | ||
e59058c4 | 1308 | /** |
3621a710 | 1309 | * lpfc_param_hex_show - Return a cfg attribute value in hex |
e59058c4 JS |
1310 | * |
1311 | * Description: | |
1312 | * Macro that given an attr e.g. hba_queue_depth expands | |
1313 | * into a function with the name lpfc_hba_queue_depth_show | |
1314 | * | |
1315 | * lpfc_##attr##_show: Return the hex value of an adapters cfg_xxx field. | |
1316 | * @dev: class device that is converted into a Scsi_host. | |
1317 | * @attr: device attribute, not used. | |
3621a710 | 1318 | * @buf: on return contains the attribute value in hexadecimal. |
e59058c4 JS |
1319 | * |
1320 | * Returns: size of formatted string. | |
1321 | **/ | |
93a20f74 JSEC |
1322 | #define lpfc_param_hex_show(attr) \ |
1323 | static ssize_t \ | |
ee959b00 TJ |
1324 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
1325 | char *buf) \ | |
93a20f74 | 1326 | { \ |
ee959b00 | 1327 | struct Scsi_Host *shost = class_to_shost(dev);\ |
2e0fef85 JS |
1328 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
1329 | struct lpfc_hba *phba = vport->phba;\ | |
84d1b006 | 1330 | uint val = 0;\ |
93a20f74 JSEC |
1331 | val = phba->cfg_##attr;\ |
1332 | return snprintf(buf, PAGE_SIZE, "%#x\n",\ | |
1333 | phba->cfg_##attr);\ | |
1334 | } | |
1335 | ||
e59058c4 | 1336 | /** |
3621a710 | 1337 | * lpfc_param_init - Intializes a cfg attribute |
e59058c4 JS |
1338 | * |
1339 | * Description: | |
1340 | * Macro that given an attr e.g. hba_queue_depth expands | |
1341 | * into a function with the name lpfc_hba_queue_depth_init. The macro also | |
1342 | * takes a default argument, a minimum and maximum argument. | |
1343 | * | |
1344 | * lpfc_##attr##_init: Initializes an attribute. | |
1345 | * @phba: pointer the the adapter structure. | |
1346 | * @val: integer attribute value. | |
1347 | * | |
1348 | * Validates the min and max values then sets the adapter config field | |
1349 | * accordingly, or uses the default if out of range and prints an error message. | |
1350 | * | |
1351 | * Returns: | |
1352 | * zero on success | |
1353 | * -EINVAL if default used | |
1354 | **/ | |
7bcbb752 JSEC |
1355 | #define lpfc_param_init(attr, default, minval, maxval) \ |
1356 | static int \ | |
84d1b006 | 1357 | lpfc_##attr##_init(struct lpfc_hba *phba, uint val) \ |
7bcbb752 JSEC |
1358 | { \ |
1359 | if (val >= minval && val <= maxval) {\ | |
1360 | phba->cfg_##attr = val;\ | |
1361 | return 0;\ | |
dea3101e | 1362 | }\ |
7bcbb752 | 1363 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \ |
e8b62011 JS |
1364 | "0449 lpfc_"#attr" attribute cannot be set to %d, "\ |
1365 | "allowed range is ["#minval", "#maxval"]\n", val); \ | |
7bcbb752 JSEC |
1366 | phba->cfg_##attr = default;\ |
1367 | return -EINVAL;\ | |
dea3101e JB |
1368 | } |
1369 | ||
e59058c4 | 1370 | /** |
3621a710 | 1371 | * lpfc_param_set - Set a cfg attribute value |
e59058c4 JS |
1372 | * |
1373 | * Description: | |
1374 | * Macro that given an attr e.g. hba_queue_depth expands | |
1375 | * into a function with the name lpfc_hba_queue_depth_set | |
1376 | * | |
1377 | * lpfc_##attr##_set: Sets an attribute value. | |
1378 | * @phba: pointer the the adapter structure. | |
1379 | * @val: integer attribute value. | |
1380 | * | |
1381 | * Description: | |
1382 | * Validates the min and max values then sets the | |
1383 | * adapter config field if in the valid range. prints error message | |
1384 | * and does not set the parameter if invalid. | |
1385 | * | |
1386 | * Returns: | |
1387 | * zero on success | |
1388 | * -EINVAL if val is invalid | |
1389 | **/ | |
7bcbb752 JSEC |
1390 | #define lpfc_param_set(attr, default, minval, maxval) \ |
1391 | static int \ | |
84d1b006 | 1392 | lpfc_##attr##_set(struct lpfc_hba *phba, uint val) \ |
7bcbb752 JSEC |
1393 | { \ |
1394 | if (val >= minval && val <= maxval) {\ | |
1395 | phba->cfg_##attr = val;\ | |
1396 | return 0;\ | |
1397 | }\ | |
1398 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \ | |
e8b62011 JS |
1399 | "0450 lpfc_"#attr" attribute cannot be set to %d, "\ |
1400 | "allowed range is ["#minval", "#maxval"]\n", val); \ | |
7bcbb752 JSEC |
1401 | return -EINVAL;\ |
1402 | } | |
1403 | ||
e59058c4 | 1404 | /** |
3621a710 | 1405 | * lpfc_param_store - Set a vport attribute value |
e59058c4 JS |
1406 | * |
1407 | * Description: | |
1408 | * Macro that given an attr e.g. hba_queue_depth expands | |
1409 | * into a function with the name lpfc_hba_queue_depth_store. | |
1410 | * | |
1411 | * lpfc_##attr##_store: Set an sttribute value. | |
1412 | * @dev: class device that is converted into a Scsi_host. | |
1413 | * @attr: device attribute, not used. | |
1414 | * @buf: contains the attribute value in ascii. | |
1415 | * @count: not used. | |
1416 | * | |
1417 | * Description: | |
1418 | * Convert the ascii text number to an integer, then | |
1419 | * use the lpfc_##attr##_set function to set the value. | |
1420 | * | |
1421 | * Returns: | |
1422 | * -EINVAL if val is invalid or lpfc_##attr##_set() fails | |
1423 | * length of buffer upon success. | |
1424 | **/ | |
7bcbb752 | 1425 | #define lpfc_param_store(attr) \ |
dea3101e | 1426 | static ssize_t \ |
ee959b00 TJ |
1427 | lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \ |
1428 | const char *buf, size_t count) \ | |
dea3101e | 1429 | { \ |
ee959b00 | 1430 | struct Scsi_Host *shost = class_to_shost(dev);\ |
2e0fef85 JS |
1431 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
1432 | struct lpfc_hba *phba = vport->phba;\ | |
84d1b006 | 1433 | uint val = 0;\ |
93a20f74 JSEC |
1434 | if (!isdigit(buf[0]))\ |
1435 | return -EINVAL;\ | |
1436 | if (sscanf(buf, "%i", &val) != 1)\ | |
1437 | return -EINVAL;\ | |
7bcbb752 | 1438 | if (lpfc_##attr##_set(phba, val) == 0) \ |
755c0d06 | 1439 | return strlen(buf);\ |
7bcbb752 JSEC |
1440 | else \ |
1441 | return -EINVAL;\ | |
dea3101e JB |
1442 | } |
1443 | ||
e59058c4 | 1444 | /** |
3621a710 | 1445 | * lpfc_vport_param_show - Return decimal formatted cfg attribute value |
e59058c4 JS |
1446 | * |
1447 | * Description: | |
1448 | * Macro that given an attr e.g. hba_queue_depth expands | |
1449 | * into a function with the name lpfc_hba_queue_depth_show | |
1450 | * | |
1451 | * lpfc_##attr##_show: prints the attribute value in decimal. | |
1452 | * @dev: class device that is converted into a Scsi_host. | |
1453 | * @attr: device attribute, not used. | |
1454 | * @buf: on return contains the attribute value in decimal. | |
1455 | * | |
1456 | * Returns: length of formatted string. | |
1457 | **/ | |
3de2a653 JS |
1458 | #define lpfc_vport_param_show(attr) \ |
1459 | static ssize_t \ | |
ee959b00 TJ |
1460 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
1461 | char *buf) \ | |
3de2a653 | 1462 | { \ |
ee959b00 | 1463 | struct Scsi_Host *shost = class_to_shost(dev);\ |
3de2a653 | 1464 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
84d1b006 | 1465 | uint val = 0;\ |
3de2a653 JS |
1466 | val = vport->cfg_##attr;\ |
1467 | return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_##attr);\ | |
1468 | } | |
1469 | ||
e59058c4 | 1470 | /** |
3621a710 | 1471 | * lpfc_vport_param_hex_show - Return hex formatted attribute value |
e59058c4 JS |
1472 | * |
1473 | * Description: | |
1474 | * Macro that given an attr e.g. | |
1475 | * hba_queue_depth expands into a function with the name | |
1476 | * lpfc_hba_queue_depth_show | |
1477 | * | |
3621a710 | 1478 | * lpfc_##attr##_show: prints the attribute value in hexadecimal. |
e59058c4 JS |
1479 | * @dev: class device that is converted into a Scsi_host. |
1480 | * @attr: device attribute, not used. | |
3621a710 | 1481 | * @buf: on return contains the attribute value in hexadecimal. |
e59058c4 JS |
1482 | * |
1483 | * Returns: length of formatted string. | |
1484 | **/ | |
3de2a653 JS |
1485 | #define lpfc_vport_param_hex_show(attr) \ |
1486 | static ssize_t \ | |
ee959b00 TJ |
1487 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
1488 | char *buf) \ | |
3de2a653 | 1489 | { \ |
ee959b00 | 1490 | struct Scsi_Host *shost = class_to_shost(dev);\ |
3de2a653 | 1491 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
84d1b006 | 1492 | uint val = 0;\ |
3de2a653 JS |
1493 | val = vport->cfg_##attr;\ |
1494 | return snprintf(buf, PAGE_SIZE, "%#x\n", vport->cfg_##attr);\ | |
1495 | } | |
1496 | ||
e59058c4 | 1497 | /** |
3621a710 | 1498 | * lpfc_vport_param_init - Initialize a vport cfg attribute |
e59058c4 JS |
1499 | * |
1500 | * Description: | |
1501 | * Macro that given an attr e.g. hba_queue_depth expands | |
1502 | * into a function with the name lpfc_hba_queue_depth_init. The macro also | |
1503 | * takes a default argument, a minimum and maximum argument. | |
1504 | * | |
1505 | * lpfc_##attr##_init: validates the min and max values then sets the | |
1506 | * adapter config field accordingly, or uses the default if out of range | |
1507 | * and prints an error message. | |
1508 | * @phba: pointer the the adapter structure. | |
1509 | * @val: integer attribute value. | |
1510 | * | |
1511 | * Returns: | |
1512 | * zero on success | |
1513 | * -EINVAL if default used | |
1514 | **/ | |
3de2a653 JS |
1515 | #define lpfc_vport_param_init(attr, default, minval, maxval) \ |
1516 | static int \ | |
84d1b006 | 1517 | lpfc_##attr##_init(struct lpfc_vport *vport, uint val) \ |
3de2a653 JS |
1518 | { \ |
1519 | if (val >= minval && val <= maxval) {\ | |
1520 | vport->cfg_##attr = val;\ | |
1521 | return 0;\ | |
1522 | }\ | |
e8b62011 | 1523 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \ |
d7c255b2 | 1524 | "0423 lpfc_"#attr" attribute cannot be set to %d, "\ |
e8b62011 | 1525 | "allowed range is ["#minval", "#maxval"]\n", val); \ |
3de2a653 JS |
1526 | vport->cfg_##attr = default;\ |
1527 | return -EINVAL;\ | |
1528 | } | |
1529 | ||
e59058c4 | 1530 | /** |
3621a710 | 1531 | * lpfc_vport_param_set - Set a vport cfg attribute |
e59058c4 JS |
1532 | * |
1533 | * Description: | |
1534 | * Macro that given an attr e.g. hba_queue_depth expands | |
1535 | * into a function with the name lpfc_hba_queue_depth_set | |
1536 | * | |
1537 | * lpfc_##attr##_set: validates the min and max values then sets the | |
1538 | * adapter config field if in the valid range. prints error message | |
1539 | * and does not set the parameter if invalid. | |
1540 | * @phba: pointer the the adapter structure. | |
1541 | * @val: integer attribute value. | |
1542 | * | |
1543 | * Returns: | |
1544 | * zero on success | |
1545 | * -EINVAL if val is invalid | |
1546 | **/ | |
3de2a653 JS |
1547 | #define lpfc_vport_param_set(attr, default, minval, maxval) \ |
1548 | static int \ | |
84d1b006 | 1549 | lpfc_##attr##_set(struct lpfc_vport *vport, uint val) \ |
3de2a653 JS |
1550 | { \ |
1551 | if (val >= minval && val <= maxval) {\ | |
1552 | vport->cfg_##attr = val;\ | |
1553 | return 0;\ | |
1554 | }\ | |
e8b62011 | 1555 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \ |
d7c255b2 | 1556 | "0424 lpfc_"#attr" attribute cannot be set to %d, "\ |
e8b62011 | 1557 | "allowed range is ["#minval", "#maxval"]\n", val); \ |
3de2a653 JS |
1558 | return -EINVAL;\ |
1559 | } | |
1560 | ||
e59058c4 | 1561 | /** |
3621a710 | 1562 | * lpfc_vport_param_store - Set a vport attribute |
e59058c4 JS |
1563 | * |
1564 | * Description: | |
1565 | * Macro that given an attr e.g. hba_queue_depth | |
1566 | * expands into a function with the name lpfc_hba_queue_depth_store | |
1567 | * | |
1568 | * lpfc_##attr##_store: convert the ascii text number to an integer, then | |
1569 | * use the lpfc_##attr##_set function to set the value. | |
1570 | * @cdev: class device that is converted into a Scsi_host. | |
1571 | * @buf: contains the attribute value in decimal. | |
1572 | * @count: not used. | |
1573 | * | |
1574 | * Returns: | |
1575 | * -EINVAL if val is invalid or lpfc_##attr##_set() fails | |
1576 | * length of buffer upon success. | |
1577 | **/ | |
3de2a653 JS |
1578 | #define lpfc_vport_param_store(attr) \ |
1579 | static ssize_t \ | |
ee959b00 TJ |
1580 | lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \ |
1581 | const char *buf, size_t count) \ | |
3de2a653 | 1582 | { \ |
ee959b00 | 1583 | struct Scsi_Host *shost = class_to_shost(dev);\ |
3de2a653 | 1584 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
84d1b006 | 1585 | uint val = 0;\ |
3de2a653 JS |
1586 | if (!isdigit(buf[0]))\ |
1587 | return -EINVAL;\ | |
1588 | if (sscanf(buf, "%i", &val) != 1)\ | |
1589 | return -EINVAL;\ | |
1590 | if (lpfc_##attr##_set(vport, val) == 0) \ | |
1591 | return strlen(buf);\ | |
1592 | else \ | |
1593 | return -EINVAL;\ | |
1594 | } | |
1595 | ||
1596 | ||
7bcbb752 | 1597 | #define LPFC_ATTR(name, defval, minval, maxval, desc) \ |
84d1b006 JS |
1598 | static uint lpfc_##name = defval;\ |
1599 | module_param(lpfc_##name, uint, 0);\ | |
dea3101e | 1600 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
7bcbb752 | 1601 | lpfc_param_init(name, defval, minval, maxval) |
dea3101e JB |
1602 | |
1603 | #define LPFC_ATTR_R(name, defval, minval, maxval, desc) \ | |
84d1b006 JS |
1604 | static uint lpfc_##name = defval;\ |
1605 | module_param(lpfc_##name, uint, 0);\ | |
dea3101e JB |
1606 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1607 | lpfc_param_show(name)\ | |
7bcbb752 | 1608 | lpfc_param_init(name, defval, minval, maxval)\ |
ee959b00 | 1609 | static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
dea3101e JB |
1610 | |
1611 | #define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \ | |
84d1b006 JS |
1612 | static uint lpfc_##name = defval;\ |
1613 | module_param(lpfc_##name, uint, 0);\ | |
dea3101e JB |
1614 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1615 | lpfc_param_show(name)\ | |
7bcbb752 JSEC |
1616 | lpfc_param_init(name, defval, minval, maxval)\ |
1617 | lpfc_param_set(name, defval, minval, maxval)\ | |
1618 | lpfc_param_store(name)\ | |
ee959b00 TJ |
1619 | static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
1620 | lpfc_##name##_show, lpfc_##name##_store) | |
dea3101e | 1621 | |
93a20f74 | 1622 | #define LPFC_ATTR_HEX_R(name, defval, minval, maxval, desc) \ |
84d1b006 JS |
1623 | static uint lpfc_##name = defval;\ |
1624 | module_param(lpfc_##name, uint, 0);\ | |
93a20f74 JSEC |
1625 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1626 | lpfc_param_hex_show(name)\ | |
1627 | lpfc_param_init(name, defval, minval, maxval)\ | |
ee959b00 | 1628 | static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
93a20f74 JSEC |
1629 | |
1630 | #define LPFC_ATTR_HEX_RW(name, defval, minval, maxval, desc) \ | |
84d1b006 JS |
1631 | static uint lpfc_##name = defval;\ |
1632 | module_param(lpfc_##name, uint, 0);\ | |
93a20f74 JSEC |
1633 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1634 | lpfc_param_hex_show(name)\ | |
1635 | lpfc_param_init(name, defval, minval, maxval)\ | |
1636 | lpfc_param_set(name, defval, minval, maxval)\ | |
1637 | lpfc_param_store(name)\ | |
ee959b00 TJ |
1638 | static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
1639 | lpfc_##name##_show, lpfc_##name##_store) | |
93a20f74 | 1640 | |
3de2a653 | 1641 | #define LPFC_VPORT_ATTR(name, defval, minval, maxval, desc) \ |
84d1b006 JS |
1642 | static uint lpfc_##name = defval;\ |
1643 | module_param(lpfc_##name, uint, 0);\ | |
3de2a653 JS |
1644 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1645 | lpfc_vport_param_init(name, defval, minval, maxval) | |
1646 | ||
1647 | #define LPFC_VPORT_ATTR_R(name, defval, minval, maxval, desc) \ | |
84d1b006 JS |
1648 | static uint lpfc_##name = defval;\ |
1649 | module_param(lpfc_##name, uint, 0);\ | |
3de2a653 JS |
1650 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1651 | lpfc_vport_param_show(name)\ | |
1652 | lpfc_vport_param_init(name, defval, minval, maxval)\ | |
ee959b00 | 1653 | static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
3de2a653 JS |
1654 | |
1655 | #define LPFC_VPORT_ATTR_RW(name, defval, minval, maxval, desc) \ | |
84d1b006 JS |
1656 | static uint lpfc_##name = defval;\ |
1657 | module_param(lpfc_##name, uint, 0);\ | |
3de2a653 JS |
1658 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1659 | lpfc_vport_param_show(name)\ | |
1660 | lpfc_vport_param_init(name, defval, minval, maxval)\ | |
1661 | lpfc_vport_param_set(name, defval, minval, maxval)\ | |
1662 | lpfc_vport_param_store(name)\ | |
ee959b00 TJ |
1663 | static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
1664 | lpfc_##name##_show, lpfc_##name##_store) | |
3de2a653 JS |
1665 | |
1666 | #define LPFC_VPORT_ATTR_HEX_R(name, defval, minval, maxval, desc) \ | |
84d1b006 JS |
1667 | static uint lpfc_##name = defval;\ |
1668 | module_param(lpfc_##name, uint, 0);\ | |
3de2a653 JS |
1669 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1670 | lpfc_vport_param_hex_show(name)\ | |
1671 | lpfc_vport_param_init(name, defval, minval, maxval)\ | |
ee959b00 | 1672 | static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
3de2a653 JS |
1673 | |
1674 | #define LPFC_VPORT_ATTR_HEX_RW(name, defval, minval, maxval, desc) \ | |
84d1b006 JS |
1675 | static uint lpfc_##name = defval;\ |
1676 | module_param(lpfc_##name, uint, 0);\ | |
3de2a653 JS |
1677 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1678 | lpfc_vport_param_hex_show(name)\ | |
1679 | lpfc_vport_param_init(name, defval, minval, maxval)\ | |
1680 | lpfc_vport_param_set(name, defval, minval, maxval)\ | |
1681 | lpfc_vport_param_store(name)\ | |
ee959b00 TJ |
1682 | static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
1683 | lpfc_##name##_show, lpfc_##name##_store) | |
1684 | ||
81301a9b JS |
1685 | static DEVICE_ATTR(bg_info, S_IRUGO, lpfc_bg_info_show, NULL); |
1686 | static DEVICE_ATTR(bg_guard_err, S_IRUGO, lpfc_bg_guard_err_show, NULL); | |
1687 | static DEVICE_ATTR(bg_apptag_err, S_IRUGO, lpfc_bg_apptag_err_show, NULL); | |
1688 | static DEVICE_ATTR(bg_reftag_err, S_IRUGO, lpfc_bg_reftag_err_show, NULL); | |
ee959b00 TJ |
1689 | static DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL); |
1690 | static DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL); | |
1691 | static DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL); | |
1692 | static DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL); | |
1693 | static DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL); | |
1694 | static DEVICE_ATTR(portnum, S_IRUGO, lpfc_vportnum_show, NULL); | |
1695 | static DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL); | |
1696 | static DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL); | |
84d1b006 JS |
1697 | static DEVICE_ATTR(link_state, S_IRUGO | S_IWUSR, lpfc_link_state_show, |
1698 | lpfc_link_state_store); | |
ee959b00 TJ |
1699 | static DEVICE_ATTR(option_rom_version, S_IRUGO, |
1700 | lpfc_option_rom_version_show, NULL); | |
1701 | static DEVICE_ATTR(num_discovered_ports, S_IRUGO, | |
1702 | lpfc_num_discovered_ports_show, NULL); | |
84774a4d | 1703 | static DEVICE_ATTR(menlo_mgmt_mode, S_IRUGO, lpfc_mlomgmt_show, NULL); |
ee959b00 TJ |
1704 | static DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL); |
1705 | static DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show, NULL); | |
45ed1190 | 1706 | static DEVICE_ATTR(lpfc_enable_fip, S_IRUGO, lpfc_enable_fip_show, NULL); |
ee959b00 TJ |
1707 | static DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR, |
1708 | lpfc_board_mode_show, lpfc_board_mode_store); | |
1709 | static DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset); | |
1710 | static DEVICE_ATTR(max_vpi, S_IRUGO, lpfc_max_vpi_show, NULL); | |
1711 | static DEVICE_ATTR(used_vpi, S_IRUGO, lpfc_used_vpi_show, NULL); | |
1712 | static DEVICE_ATTR(max_rpi, S_IRUGO, lpfc_max_rpi_show, NULL); | |
1713 | static DEVICE_ATTR(used_rpi, S_IRUGO, lpfc_used_rpi_show, NULL); | |
1714 | static DEVICE_ATTR(max_xri, S_IRUGO, lpfc_max_xri_show, NULL); | |
1715 | static DEVICE_ATTR(used_xri, S_IRUGO, lpfc_used_xri_show, NULL); | |
1716 | static DEVICE_ATTR(npiv_info, S_IRUGO, lpfc_npiv_info_show, NULL); | |
1717 | static DEVICE_ATTR(lpfc_temp_sensor, S_IRUGO, lpfc_temp_sensor_show, NULL); | |
bc73905a JS |
1718 | static DEVICE_ATTR(lpfc_fips_level, S_IRUGO, lpfc_fips_level_show, NULL); |
1719 | static DEVICE_ATTR(lpfc_fips_rev, S_IRUGO, lpfc_fips_rev_show, NULL); | |
dea3101e | 1720 | |
c3f28afa | 1721 | |
a12e07bc | 1722 | static char *lpfc_soft_wwn_key = "C99G71SL8032A"; |
c3f28afa | 1723 | |
e59058c4 | 1724 | /** |
3621a710 | 1725 | * lpfc_soft_wwn_enable_store - Allows setting of the wwn if the key is valid |
e59058c4 JS |
1726 | * @dev: class device that is converted into a Scsi_host. |
1727 | * @attr: device attribute, not used. | |
1728 | * @buf: containing the string lpfc_soft_wwn_key. | |
1729 | * @count: must be size of lpfc_soft_wwn_key. | |
1730 | * | |
1731 | * Returns: | |
1732 | * -EINVAL if the buffer does not contain lpfc_soft_wwn_key | |
1733 | * length of buf indicates success | |
1734 | **/ | |
c3f28afa | 1735 | static ssize_t |
ee959b00 TJ |
1736 | lpfc_soft_wwn_enable_store(struct device *dev, struct device_attribute *attr, |
1737 | const char *buf, size_t count) | |
c3f28afa | 1738 | { |
ee959b00 | 1739 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1740 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1741 | struct lpfc_hba *phba = vport->phba; | |
c3f28afa JS |
1742 | unsigned int cnt = count; |
1743 | ||
1744 | /* | |
1745 | * We're doing a simple sanity check for soft_wwpn setting. | |
1746 | * We require that the user write a specific key to enable | |
1747 | * the soft_wwpn attribute to be settable. Once the attribute | |
1748 | * is written, the enable key resets. If further updates are | |
1749 | * desired, the key must be written again to re-enable the | |
1750 | * attribute. | |
1751 | * | |
1752 | * The "key" is not secret - it is a hardcoded string shown | |
1753 | * here. The intent is to protect against the random user or | |
1754 | * application that is just writing attributes. | |
1755 | */ | |
1756 | ||
1757 | /* count may include a LF at end of string */ | |
1758 | if (buf[cnt-1] == '\n') | |
1759 | cnt--; | |
1760 | ||
a12e07bc JS |
1761 | if ((cnt != strlen(lpfc_soft_wwn_key)) || |
1762 | (strncmp(buf, lpfc_soft_wwn_key, strlen(lpfc_soft_wwn_key)) != 0)) | |
c3f28afa JS |
1763 | return -EINVAL; |
1764 | ||
a12e07bc | 1765 | phba->soft_wwn_enable = 1; |
c3f28afa JS |
1766 | return count; |
1767 | } | |
ee959b00 TJ |
1768 | static DEVICE_ATTR(lpfc_soft_wwn_enable, S_IWUSR, NULL, |
1769 | lpfc_soft_wwn_enable_store); | |
c3f28afa | 1770 | |
e59058c4 | 1771 | /** |
3621a710 | 1772 | * lpfc_soft_wwpn_show - Return the cfg soft ww port name of the adapter |
e59058c4 JS |
1773 | * @dev: class device that is converted into a Scsi_host. |
1774 | * @attr: device attribute, not used. | |
3621a710 | 1775 | * @buf: on return contains the wwpn in hexadecimal. |
e59058c4 JS |
1776 | * |
1777 | * Returns: size of formatted string. | |
1778 | **/ | |
c3f28afa | 1779 | static ssize_t |
ee959b00 TJ |
1780 | lpfc_soft_wwpn_show(struct device *dev, struct device_attribute *attr, |
1781 | char *buf) | |
c3f28afa | 1782 | { |
ee959b00 | 1783 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1784 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1785 | struct lpfc_hba *phba = vport->phba; | |
1786 | ||
afc071e6 RD |
1787 | return snprintf(buf, PAGE_SIZE, "0x%llx\n", |
1788 | (unsigned long long)phba->cfg_soft_wwpn); | |
c3f28afa JS |
1789 | } |
1790 | ||
e59058c4 | 1791 | /** |
3621a710 | 1792 | * lpfc_soft_wwpn_store - Set the ww port name of the adapter |
e59058c4 JS |
1793 | * @dev class device that is converted into a Scsi_host. |
1794 | * @attr: device attribute, not used. | |
3621a710 | 1795 | * @buf: contains the wwpn in hexadecimal. |
e59058c4 JS |
1796 | * @count: number of wwpn bytes in buf |
1797 | * | |
1798 | * Returns: | |
1799 | * -EACCES hba reset not enabled, adapter over temp | |
1800 | * -EINVAL soft wwn not enabled, count is invalid, invalid wwpn byte invalid | |
1801 | * -EIO error taking adapter offline or online | |
1802 | * value of count on success | |
1803 | **/ | |
c3f28afa | 1804 | static ssize_t |
ee959b00 TJ |
1805 | lpfc_soft_wwpn_store(struct device *dev, struct device_attribute *attr, |
1806 | const char *buf, size_t count) | |
c3f28afa | 1807 | { |
ee959b00 | 1808 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1809 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1810 | struct lpfc_hba *phba = vport->phba; | |
c3f28afa JS |
1811 | struct completion online_compl; |
1812 | int stat1=0, stat2=0; | |
1813 | unsigned int i, j, cnt=count; | |
1814 | u8 wwpn[8]; | |
1815 | ||
13815c83 JS |
1816 | if (!phba->cfg_enable_hba_reset) |
1817 | return -EACCES; | |
7af67051 JS |
1818 | spin_lock_irq(&phba->hbalock); |
1819 | if (phba->over_temp_state == HBA_OVER_TEMP) { | |
1820 | spin_unlock_irq(&phba->hbalock); | |
09372820 | 1821 | return -EACCES; |
7af67051 JS |
1822 | } |
1823 | spin_unlock_irq(&phba->hbalock); | |
c3f28afa JS |
1824 | /* count may include a LF at end of string */ |
1825 | if (buf[cnt-1] == '\n') | |
1826 | cnt--; | |
1827 | ||
a12e07bc | 1828 | if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) || |
c3f28afa JS |
1829 | ((cnt == 17) && (*buf++ != 'x')) || |
1830 | ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x')))) | |
1831 | return -EINVAL; | |
1832 | ||
a12e07bc | 1833 | phba->soft_wwn_enable = 0; |
c3f28afa JS |
1834 | |
1835 | memset(wwpn, 0, sizeof(wwpn)); | |
1836 | ||
1837 | /* Validate and store the new name */ | |
1838 | for (i=0, j=0; i < 16; i++) { | |
ecc30990 AS |
1839 | int value; |
1840 | ||
1841 | value = hex_to_bin(*buf++); | |
1842 | if (value >= 0) | |
1843 | j = (j << 4) | value; | |
c3f28afa JS |
1844 | else |
1845 | return -EINVAL; | |
1846 | if (i % 2) { | |
1847 | wwpn[i/2] = j & 0xff; | |
1848 | j = 0; | |
1849 | } | |
1850 | } | |
1851 | phba->cfg_soft_wwpn = wwn_to_u64(wwpn); | |
2e0fef85 | 1852 | fc_host_port_name(shost) = phba->cfg_soft_wwpn; |
a12e07bc | 1853 | if (phba->cfg_soft_wwnn) |
2e0fef85 | 1854 | fc_host_node_name(shost) = phba->cfg_soft_wwnn; |
c3f28afa JS |
1855 | |
1856 | dev_printk(KERN_NOTICE, &phba->pcidev->dev, | |
1857 | "lpfc%d: Reinitializing to use soft_wwpn\n", phba->brd_no); | |
1858 | ||
46fa311e | 1859 | stat1 = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); |
c3f28afa JS |
1860 | if (stat1) |
1861 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
e8b62011 JS |
1862 | "0463 lpfc_soft_wwpn attribute set failed to " |
1863 | "reinit adapter - %d\n", stat1); | |
c3f28afa JS |
1864 | init_completion(&online_compl); |
1865 | lpfc_workq_post_event(phba, &stat2, &online_compl, LPFC_EVT_ONLINE); | |
1866 | wait_for_completion(&online_compl); | |
1867 | if (stat2) | |
1868 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
e8b62011 JS |
1869 | "0464 lpfc_soft_wwpn attribute set failed to " |
1870 | "reinit adapter - %d\n", stat2); | |
c3f28afa JS |
1871 | return (stat1 || stat2) ? -EIO : count; |
1872 | } | |
ee959b00 TJ |
1873 | static DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR,\ |
1874 | lpfc_soft_wwpn_show, lpfc_soft_wwpn_store); | |
c3f28afa | 1875 | |
e59058c4 | 1876 | /** |
3621a710 | 1877 | * lpfc_soft_wwnn_show - Return the cfg soft ww node name for the adapter |
e59058c4 JS |
1878 | * @dev: class device that is converted into a Scsi_host. |
1879 | * @attr: device attribute, not used. | |
3621a710 | 1880 | * @buf: on return contains the wwnn in hexadecimal. |
e59058c4 JS |
1881 | * |
1882 | * Returns: size of formatted string. | |
1883 | **/ | |
a12e07bc | 1884 | static ssize_t |
ee959b00 TJ |
1885 | lpfc_soft_wwnn_show(struct device *dev, struct device_attribute *attr, |
1886 | char *buf) | |
a12e07bc | 1887 | { |
ee959b00 | 1888 | struct Scsi_Host *shost = class_to_shost(dev); |
51ef4c26 | 1889 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; |
a12e07bc JS |
1890 | return snprintf(buf, PAGE_SIZE, "0x%llx\n", |
1891 | (unsigned long long)phba->cfg_soft_wwnn); | |
1892 | } | |
1893 | ||
e59058c4 | 1894 | /** |
3621a710 | 1895 | * lpfc_soft_wwnn_store - sets the ww node name of the adapter |
e59058c4 | 1896 | * @cdev: class device that is converted into a Scsi_host. |
3621a710 | 1897 | * @buf: contains the ww node name in hexadecimal. |
e59058c4 JS |
1898 | * @count: number of wwnn bytes in buf. |
1899 | * | |
1900 | * Returns: | |
1901 | * -EINVAL soft wwn not enabled, count is invalid, invalid wwnn byte invalid | |
1902 | * value of count on success | |
1903 | **/ | |
a12e07bc | 1904 | static ssize_t |
ee959b00 TJ |
1905 | lpfc_soft_wwnn_store(struct device *dev, struct device_attribute *attr, |
1906 | const char *buf, size_t count) | |
a12e07bc | 1907 | { |
ee959b00 | 1908 | struct Scsi_Host *shost = class_to_shost(dev); |
51ef4c26 | 1909 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; |
a12e07bc JS |
1910 | unsigned int i, j, cnt=count; |
1911 | u8 wwnn[8]; | |
1912 | ||
1913 | /* count may include a LF at end of string */ | |
1914 | if (buf[cnt-1] == '\n') | |
1915 | cnt--; | |
1916 | ||
1917 | if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) || | |
1918 | ((cnt == 17) && (*buf++ != 'x')) || | |
1919 | ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x')))) | |
1920 | return -EINVAL; | |
1921 | ||
1922 | /* | |
1923 | * Allow wwnn to be set many times, as long as the enable is set. | |
1924 | * However, once the wwpn is set, everything locks. | |
1925 | */ | |
1926 | ||
1927 | memset(wwnn, 0, sizeof(wwnn)); | |
1928 | ||
1929 | /* Validate and store the new name */ | |
1930 | for (i=0, j=0; i < 16; i++) { | |
ecc30990 AS |
1931 | int value; |
1932 | ||
1933 | value = hex_to_bin(*buf++); | |
1934 | if (value >= 0) | |
1935 | j = (j << 4) | value; | |
a12e07bc JS |
1936 | else |
1937 | return -EINVAL; | |
1938 | if (i % 2) { | |
1939 | wwnn[i/2] = j & 0xff; | |
1940 | j = 0; | |
1941 | } | |
1942 | } | |
1943 | phba->cfg_soft_wwnn = wwn_to_u64(wwnn); | |
1944 | ||
1945 | dev_printk(KERN_NOTICE, &phba->pcidev->dev, | |
1946 | "lpfc%d: soft_wwnn set. Value will take effect upon " | |
1947 | "setting of the soft_wwpn\n", phba->brd_no); | |
1948 | ||
1949 | return count; | |
1950 | } | |
ee959b00 TJ |
1951 | static DEVICE_ATTR(lpfc_soft_wwnn, S_IRUGO | S_IWUSR,\ |
1952 | lpfc_soft_wwnn_show, lpfc_soft_wwnn_store); | |
a12e07bc | 1953 | |
c3f28afa | 1954 | |
875fbdfe JSEC |
1955 | static int lpfc_poll = 0; |
1956 | module_param(lpfc_poll, int, 0); | |
1957 | MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:" | |
1958 | " 0 - none," | |
1959 | " 1 - poll with interrupts enabled" | |
1960 | " 3 - poll and disable FCP ring interrupts"); | |
1961 | ||
ee959b00 TJ |
1962 | static DEVICE_ATTR(lpfc_poll, S_IRUGO | S_IWUSR, |
1963 | lpfc_poll_show, lpfc_poll_store); | |
dea3101e | 1964 | |
92d7f7b0 JS |
1965 | int lpfc_sli_mode = 0; |
1966 | module_param(lpfc_sli_mode, int, 0); | |
1967 | MODULE_PARM_DESC(lpfc_sli_mode, "SLI mode selector:" | |
1968 | " 0 - auto (SLI-3 if supported)," | |
1969 | " 2 - select SLI-2 even on SLI-3 capable HBAs," | |
1970 | " 3 - select SLI-3"); | |
1971 | ||
15672319 | 1972 | int lpfc_enable_npiv = 1; |
7ee5d43e JS |
1973 | module_param(lpfc_enable_npiv, int, 0); |
1974 | MODULE_PARM_DESC(lpfc_enable_npiv, "Enable NPIV functionality"); | |
1975 | lpfc_param_show(enable_npiv); | |
4b40c59e | 1976 | lpfc_param_init(enable_npiv, 1, 0, 1); |
15672319 | 1977 | static DEVICE_ATTR(lpfc_enable_npiv, S_IRUGO, lpfc_enable_npiv_show, NULL); |
92d7f7b0 | 1978 | |
84d1b006 JS |
1979 | /* |
1980 | # lpfc_suppress_link_up: Bring link up at initialization | |
1981 | # 0x0 = bring link up (issue MBX_INIT_LINK) | |
1982 | # 0x1 = do NOT bring link up at initialization(MBX_INIT_LINK) | |
1983 | # 0x2 = never bring up link | |
1984 | # Default value is 0. | |
1985 | */ | |
e40a02c1 JS |
1986 | LPFC_ATTR_R(suppress_link_up, LPFC_INITIALIZE_LINK, LPFC_INITIALIZE_LINK, |
1987 | LPFC_DELAY_INIT_LINK_INDEFINITELY, | |
1988 | "Suppress Link Up at initialization"); | |
2a9bf3d0 JS |
1989 | /* |
1990 | # lpfc_cnt: Number of IOCBs allocated for ELS, CT, and ABTS | |
1991 | # 1 - (1024) | |
1992 | # 2 - (2048) | |
1993 | # 3 - (3072) | |
1994 | # 4 - (4096) | |
1995 | # 5 - (5120) | |
1996 | */ | |
1997 | static ssize_t | |
1998 | lpfc_iocb_hw_show(struct device *dev, struct device_attribute *attr, char *buf) | |
1999 | { | |
2000 | struct Scsi_Host *shost = class_to_shost(dev); | |
2001 | struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba; | |
2002 | ||
2003 | return snprintf(buf, PAGE_SIZE, "%d\n", phba->iocb_max); | |
2004 | } | |
2005 | ||
2006 | static DEVICE_ATTR(iocb_hw, S_IRUGO, | |
2007 | lpfc_iocb_hw_show, NULL); | |
2008 | static ssize_t | |
2009 | lpfc_txq_hw_show(struct device *dev, struct device_attribute *attr, char *buf) | |
2010 | { | |
2011 | struct Scsi_Host *shost = class_to_shost(dev); | |
2012 | struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba; | |
2013 | ||
2014 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
2015 | phba->sli.ring[LPFC_ELS_RING].txq_max); | |
2016 | } | |
2017 | ||
2018 | static DEVICE_ATTR(txq_hw, S_IRUGO, | |
2019 | lpfc_txq_hw_show, NULL); | |
2020 | static ssize_t | |
2021 | lpfc_txcmplq_hw_show(struct device *dev, struct device_attribute *attr, | |
2022 | char *buf) | |
2023 | { | |
2024 | struct Scsi_Host *shost = class_to_shost(dev); | |
2025 | struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba; | |
2026 | ||
2027 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
2028 | phba->sli.ring[LPFC_ELS_RING].txcmplq_max); | |
2029 | } | |
2030 | ||
2031 | static DEVICE_ATTR(txcmplq_hw, S_IRUGO, | |
2032 | lpfc_txcmplq_hw_show, NULL); | |
2033 | ||
2034 | int lpfc_iocb_cnt = 2; | |
2035 | module_param(lpfc_iocb_cnt, int, 1); | |
2036 | MODULE_PARM_DESC(lpfc_iocb_cnt, | |
2037 | "Number of IOCBs alloc for ELS, CT, and ABTS: 1k to 5k IOCBs"); | |
2038 | lpfc_param_show(iocb_cnt); | |
2039 | lpfc_param_init(iocb_cnt, 2, 1, 5); | |
2040 | static DEVICE_ATTR(lpfc_iocb_cnt, S_IRUGO, | |
2041 | lpfc_iocb_cnt_show, NULL); | |
84d1b006 | 2042 | |
c01f3208 JS |
2043 | /* |
2044 | # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear | |
2045 | # until the timer expires. Value range is [0,255]. Default value is 30. | |
2046 | */ | |
2047 | static int lpfc_nodev_tmo = LPFC_DEF_DEVLOSS_TMO; | |
2048 | static int lpfc_devloss_tmo = LPFC_DEF_DEVLOSS_TMO; | |
2049 | module_param(lpfc_nodev_tmo, int, 0); | |
2050 | MODULE_PARM_DESC(lpfc_nodev_tmo, | |
2051 | "Seconds driver will hold I/O waiting " | |
2052 | "for a device to come back"); | |
e59058c4 JS |
2053 | |
2054 | /** | |
3621a710 | 2055 | * lpfc_nodev_tmo_show - Return the hba dev loss timeout value |
e59058c4 JS |
2056 | * @dev: class converted to a Scsi_host structure. |
2057 | * @attr: device attribute, not used. | |
2058 | * @buf: on return contains the dev loss timeout in decimal. | |
2059 | * | |
2060 | * Returns: size of formatted string. | |
2061 | **/ | |
c01f3208 | 2062 | static ssize_t |
ee959b00 TJ |
2063 | lpfc_nodev_tmo_show(struct device *dev, struct device_attribute *attr, |
2064 | char *buf) | |
c01f3208 | 2065 | { |
ee959b00 | 2066 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 | 2067 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
e40a02c1 | 2068 | |
3de2a653 | 2069 | return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_devloss_tmo); |
c01f3208 JS |
2070 | } |
2071 | ||
e59058c4 | 2072 | /** |
3621a710 | 2073 | * lpfc_nodev_tmo_init - Set the hba nodev timeout value |
e59058c4 JS |
2074 | * @vport: lpfc vport structure pointer. |
2075 | * @val: contains the nodev timeout value. | |
2076 | * | |
2077 | * Description: | |
2078 | * If the devloss tmo is already set then nodev tmo is set to devloss tmo, | |
2079 | * a kernel error message is printed and zero is returned. | |
2080 | * Else if val is in range then nodev tmo and devloss tmo are set to val. | |
2081 | * Otherwise nodev tmo is set to the default value. | |
2082 | * | |
2083 | * Returns: | |
2084 | * zero if already set or if val is in range | |
2085 | * -EINVAL val out of range | |
2086 | **/ | |
c01f3208 | 2087 | static int |
3de2a653 JS |
2088 | lpfc_nodev_tmo_init(struct lpfc_vport *vport, int val) |
2089 | { | |
2090 | if (vport->cfg_devloss_tmo != LPFC_DEF_DEVLOSS_TMO) { | |
2091 | vport->cfg_nodev_tmo = vport->cfg_devloss_tmo; | |
2092 | if (val != LPFC_DEF_DEVLOSS_TMO) | |
e8b62011 | 2093 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 2094 | "0407 Ignoring nodev_tmo module " |
e8b62011 JS |
2095 | "parameter because devloss_tmo is " |
2096 | "set.\n"); | |
c01f3208 JS |
2097 | return 0; |
2098 | } | |
2099 | ||
2100 | if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { | |
3de2a653 JS |
2101 | vport->cfg_nodev_tmo = val; |
2102 | vport->cfg_devloss_tmo = val; | |
c01f3208 JS |
2103 | return 0; |
2104 | } | |
e8b62011 JS |
2105 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
2106 | "0400 lpfc_nodev_tmo attribute cannot be set to" | |
2107 | " %d, allowed range is [%d, %d]\n", | |
2108 | val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO); | |
3de2a653 | 2109 | vport->cfg_nodev_tmo = LPFC_DEF_DEVLOSS_TMO; |
c01f3208 JS |
2110 | return -EINVAL; |
2111 | } | |
2112 | ||
e59058c4 | 2113 | /** |
3621a710 | 2114 | * lpfc_update_rport_devloss_tmo - Update dev loss tmo value |
e59058c4 JS |
2115 | * @vport: lpfc vport structure pointer. |
2116 | * | |
2117 | * Description: | |
2118 | * Update all the ndlp's dev loss tmo with the vport devloss tmo value. | |
2119 | **/ | |
7054a606 | 2120 | static void |
3de2a653 | 2121 | lpfc_update_rport_devloss_tmo(struct lpfc_vport *vport) |
7054a606 | 2122 | { |
858c9f6c | 2123 | struct Scsi_Host *shost; |
7054a606 JS |
2124 | struct lpfc_nodelist *ndlp; |
2125 | ||
51ef4c26 JS |
2126 | shost = lpfc_shost_from_vport(vport); |
2127 | spin_lock_irq(shost->host_lock); | |
2128 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) | |
e47c9093 | 2129 | if (NLP_CHK_NODE_ACT(ndlp) && ndlp->rport) |
51ef4c26 JS |
2130 | ndlp->rport->dev_loss_tmo = vport->cfg_devloss_tmo; |
2131 | spin_unlock_irq(shost->host_lock); | |
7054a606 JS |
2132 | } |
2133 | ||
e59058c4 | 2134 | /** |
3621a710 | 2135 | * lpfc_nodev_tmo_set - Set the vport nodev tmo and devloss tmo values |
e59058c4 JS |
2136 | * @vport: lpfc vport structure pointer. |
2137 | * @val: contains the tmo value. | |
2138 | * | |
2139 | * Description: | |
2140 | * If the devloss tmo is already set or the vport dev loss tmo has changed | |
2141 | * then a kernel error message is printed and zero is returned. | |
2142 | * Else if val is in range then nodev tmo and devloss tmo are set to val. | |
2143 | * Otherwise nodev tmo is set to the default value. | |
2144 | * | |
2145 | * Returns: | |
2146 | * zero if already set or if val is in range | |
2147 | * -EINVAL val out of range | |
2148 | **/ | |
c01f3208 | 2149 | static int |
3de2a653 | 2150 | lpfc_nodev_tmo_set(struct lpfc_vport *vport, int val) |
c01f3208 | 2151 | { |
3de2a653 JS |
2152 | if (vport->dev_loss_tmo_changed || |
2153 | (lpfc_devloss_tmo != LPFC_DEF_DEVLOSS_TMO)) { | |
e8b62011 JS |
2154 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
2155 | "0401 Ignoring change to nodev_tmo " | |
2156 | "because devloss_tmo is set.\n"); | |
c01f3208 JS |
2157 | return 0; |
2158 | } | |
c01f3208 | 2159 | if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { |
3de2a653 JS |
2160 | vport->cfg_nodev_tmo = val; |
2161 | vport->cfg_devloss_tmo = val; | |
2162 | lpfc_update_rport_devloss_tmo(vport); | |
c01f3208 JS |
2163 | return 0; |
2164 | } | |
e8b62011 JS |
2165 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
2166 | "0403 lpfc_nodev_tmo attribute cannot be set to" | |
2167 | "%d, allowed range is [%d, %d]\n", | |
2168 | val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO); | |
c01f3208 JS |
2169 | return -EINVAL; |
2170 | } | |
2171 | ||
3de2a653 | 2172 | lpfc_vport_param_store(nodev_tmo) |
c01f3208 | 2173 | |
ee959b00 TJ |
2174 | static DEVICE_ATTR(lpfc_nodev_tmo, S_IRUGO | S_IWUSR, |
2175 | lpfc_nodev_tmo_show, lpfc_nodev_tmo_store); | |
c01f3208 JS |
2176 | |
2177 | /* | |
2178 | # lpfc_devloss_tmo: If set, it will hold all I/O errors on devices that | |
2179 | # disappear until the timer expires. Value range is [0,255]. Default | |
2180 | # value is 30. | |
2181 | */ | |
2182 | module_param(lpfc_devloss_tmo, int, 0); | |
2183 | MODULE_PARM_DESC(lpfc_devloss_tmo, | |
2184 | "Seconds driver will hold I/O waiting " | |
2185 | "for a device to come back"); | |
3de2a653 JS |
2186 | lpfc_vport_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO, |
2187 | LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO) | |
2188 | lpfc_vport_param_show(devloss_tmo) | |
e59058c4 JS |
2189 | |
2190 | /** | |
3621a710 | 2191 | * lpfc_devloss_tmo_set - Sets vport nodev tmo, devloss tmo values, changed bit |
e59058c4 JS |
2192 | * @vport: lpfc vport structure pointer. |
2193 | * @val: contains the tmo value. | |
2194 | * | |
2195 | * Description: | |
2196 | * If val is in a valid range then set the vport nodev tmo, | |
2197 | * devloss tmo, also set the vport dev loss tmo changed flag. | |
2198 | * Else a kernel error message is printed. | |
2199 | * | |
2200 | * Returns: | |
2201 | * zero if val is in range | |
2202 | * -EINVAL val out of range | |
2203 | **/ | |
c01f3208 | 2204 | static int |
3de2a653 | 2205 | lpfc_devloss_tmo_set(struct lpfc_vport *vport, int val) |
c01f3208 JS |
2206 | { |
2207 | if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { | |
3de2a653 JS |
2208 | vport->cfg_nodev_tmo = val; |
2209 | vport->cfg_devloss_tmo = val; | |
2210 | vport->dev_loss_tmo_changed = 1; | |
2211 | lpfc_update_rport_devloss_tmo(vport); | |
c01f3208 JS |
2212 | return 0; |
2213 | } | |
2214 | ||
e8b62011 JS |
2215 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
2216 | "0404 lpfc_devloss_tmo attribute cannot be set to" | |
2217 | " %d, allowed range is [%d, %d]\n", | |
2218 | val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO); | |
c01f3208 JS |
2219 | return -EINVAL; |
2220 | } | |
2221 | ||
3de2a653 | 2222 | lpfc_vport_param_store(devloss_tmo) |
ee959b00 TJ |
2223 | static DEVICE_ATTR(lpfc_devloss_tmo, S_IRUGO | S_IWUSR, |
2224 | lpfc_devloss_tmo_show, lpfc_devloss_tmo_store); | |
c01f3208 | 2225 | |
dea3101e JB |
2226 | /* |
2227 | # lpfc_log_verbose: Only turn this flag on if you are willing to risk being | |
2228 | # deluged with LOTS of information. | |
2229 | # You can set a bit mask to record specific types of verbose messages: | |
f4b4c68f | 2230 | # See lpfc_logmsh.h for definitions. |
dea3101e | 2231 | */ |
f4b4c68f | 2232 | LPFC_VPORT_ATTR_HEX_RW(log_verbose, 0x0, 0x0, 0xffffffff, |
e8b62011 | 2233 | "Verbose logging bit-mask"); |
dea3101e | 2234 | |
7ee5d43e JS |
2235 | /* |
2236 | # lpfc_enable_da_id: This turns on the DA_ID CT command that deregisters | |
2237 | # objects that have been registered with the nameserver after login. | |
2238 | */ | |
2239 | LPFC_VPORT_ATTR_R(enable_da_id, 0, 0, 1, | |
2240 | "Deregister nameserver objects before LOGO"); | |
2241 | ||
dea3101e JB |
2242 | /* |
2243 | # lun_queue_depth: This parameter is used to limit the number of outstanding | |
2244 | # commands per FCP LUN. Value range is [1,128]. Default value is 30. | |
2245 | */ | |
3de2a653 JS |
2246 | LPFC_VPORT_ATTR_R(lun_queue_depth, 30, 1, 128, |
2247 | "Max number of FCP commands we can queue to a specific LUN"); | |
dea3101e | 2248 | |
7dc517df JS |
2249 | /* |
2250 | # tgt_queue_depth: This parameter is used to limit the number of outstanding | |
2251 | # commands per target port. Value range is [10,65535]. Default value is 65535. | |
2252 | */ | |
2253 | LPFC_VPORT_ATTR_R(tgt_queue_depth, 65535, 10, 65535, | |
2254 | "Max number of FCP commands we can queue to a specific target port"); | |
2255 | ||
b28485ac JW |
2256 | /* |
2257 | # hba_queue_depth: This parameter is used to limit the number of outstanding | |
2258 | # commands per lpfc HBA. Value range is [32,8192]. If this parameter | |
2259 | # value is greater than the maximum number of exchanges supported by the HBA, | |
2260 | # then maximum number of exchanges supported by the HBA is used to determine | |
2261 | # the hba_queue_depth. | |
2262 | */ | |
2263 | LPFC_ATTR_R(hba_queue_depth, 8192, 32, 8192, | |
2264 | "Max number of FCP commands we can queue to a lpfc HBA"); | |
2265 | ||
92d7f7b0 JS |
2266 | /* |
2267 | # peer_port_login: This parameter allows/prevents logins | |
2268 | # between peer ports hosted on the same physical port. | |
2269 | # When this parameter is set 0 peer ports of same physical port | |
2270 | # are not allowed to login to each other. | |
2271 | # When this parameter is set 1 peer ports of same physical port | |
2272 | # are allowed to login to each other. | |
2273 | # Default value of this parameter is 0. | |
2274 | */ | |
3de2a653 JS |
2275 | LPFC_VPORT_ATTR_R(peer_port_login, 0, 0, 1, |
2276 | "Allow peer ports on the same physical port to login to each " | |
2277 | "other."); | |
92d7f7b0 JS |
2278 | |
2279 | /* | |
3de2a653 | 2280 | # restrict_login: This parameter allows/prevents logins |
92d7f7b0 JS |
2281 | # between Virtual Ports and remote initiators. |
2282 | # When this parameter is not set (0) Virtual Ports will accept PLOGIs from | |
2283 | # other initiators and will attempt to PLOGI all remote ports. | |
2284 | # When this parameter is set (1) Virtual Ports will reject PLOGIs from | |
2285 | # remote ports and will not attempt to PLOGI to other initiators. | |
2286 | # This parameter does not restrict to the physical port. | |
2287 | # This parameter does not restrict logins to Fabric resident remote ports. | |
2288 | # Default value of this parameter is 1. | |
2289 | */ | |
3de2a653 JS |
2290 | static int lpfc_restrict_login = 1; |
2291 | module_param(lpfc_restrict_login, int, 0); | |
2292 | MODULE_PARM_DESC(lpfc_restrict_login, | |
2293 | "Restrict virtual ports login to remote initiators."); | |
2294 | lpfc_vport_param_show(restrict_login); | |
2295 | ||
e59058c4 | 2296 | /** |
3621a710 | 2297 | * lpfc_restrict_login_init - Set the vport restrict login flag |
e59058c4 JS |
2298 | * @vport: lpfc vport structure pointer. |
2299 | * @val: contains the restrict login value. | |
2300 | * | |
2301 | * Description: | |
2302 | * If val is not in a valid range then log a kernel error message and set | |
2303 | * the vport restrict login to one. | |
2304 | * If the port type is physical clear the restrict login flag and return. | |
2305 | * Else set the restrict login flag to val. | |
2306 | * | |
2307 | * Returns: | |
2308 | * zero if val is in range | |
2309 | * -EINVAL val out of range | |
2310 | **/ | |
3de2a653 JS |
2311 | static int |
2312 | lpfc_restrict_login_init(struct lpfc_vport *vport, int val) | |
2313 | { | |
2314 | if (val < 0 || val > 1) { | |
e8b62011 | 2315 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 2316 | "0422 lpfc_restrict_login attribute cannot " |
e8b62011 JS |
2317 | "be set to %d, allowed range is [0, 1]\n", |
2318 | val); | |
3de2a653 JS |
2319 | vport->cfg_restrict_login = 1; |
2320 | return -EINVAL; | |
2321 | } | |
2322 | if (vport->port_type == LPFC_PHYSICAL_PORT) { | |
2323 | vport->cfg_restrict_login = 0; | |
2324 | return 0; | |
2325 | } | |
2326 | vport->cfg_restrict_login = val; | |
2327 | return 0; | |
2328 | } | |
2329 | ||
e59058c4 | 2330 | /** |
3621a710 | 2331 | * lpfc_restrict_login_set - Set the vport restrict login flag |
e59058c4 JS |
2332 | * @vport: lpfc vport structure pointer. |
2333 | * @val: contains the restrict login value. | |
2334 | * | |
2335 | * Description: | |
2336 | * If val is not in a valid range then log a kernel error message and set | |
2337 | * the vport restrict login to one. | |
2338 | * If the port type is physical and the val is not zero log a kernel | |
2339 | * error message, clear the restrict login flag and return zero. | |
2340 | * Else set the restrict login flag to val. | |
2341 | * | |
2342 | * Returns: | |
2343 | * zero if val is in range | |
2344 | * -EINVAL val out of range | |
2345 | **/ | |
3de2a653 JS |
2346 | static int |
2347 | lpfc_restrict_login_set(struct lpfc_vport *vport, int val) | |
2348 | { | |
2349 | if (val < 0 || val > 1) { | |
e8b62011 | 2350 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 2351 | "0425 lpfc_restrict_login attribute cannot " |
e8b62011 JS |
2352 | "be set to %d, allowed range is [0, 1]\n", |
2353 | val); | |
3de2a653 JS |
2354 | vport->cfg_restrict_login = 1; |
2355 | return -EINVAL; | |
2356 | } | |
2357 | if (vport->port_type == LPFC_PHYSICAL_PORT && val != 0) { | |
e8b62011 JS |
2358 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
2359 | "0468 lpfc_restrict_login must be 0 for " | |
2360 | "Physical ports.\n"); | |
3de2a653 JS |
2361 | vport->cfg_restrict_login = 0; |
2362 | return 0; | |
2363 | } | |
2364 | vport->cfg_restrict_login = val; | |
2365 | return 0; | |
2366 | } | |
2367 | lpfc_vport_param_store(restrict_login); | |
ee959b00 TJ |
2368 | static DEVICE_ATTR(lpfc_restrict_login, S_IRUGO | S_IWUSR, |
2369 | lpfc_restrict_login_show, lpfc_restrict_login_store); | |
92d7f7b0 | 2370 | |
dea3101e JB |
2371 | /* |
2372 | # Some disk devices have a "select ID" or "select Target" capability. | |
2373 | # From a protocol standpoint "select ID" usually means select the | |
2374 | # Fibre channel "ALPA". In the FC-AL Profile there is an "informative | |
2375 | # annex" which contains a table that maps a "select ID" (a number | |
2376 | # between 0 and 7F) to an ALPA. By default, for compatibility with | |
2377 | # older drivers, the lpfc driver scans this table from low ALPA to high | |
2378 | # ALPA. | |
2379 | # | |
2380 | # Turning on the scan-down variable (on = 1, off = 0) will | |
2381 | # cause the lpfc driver to use an inverted table, effectively | |
2382 | # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1. | |
2383 | # | |
2384 | # (Note: This "select ID" functionality is a LOOP ONLY characteristic | |
2385 | # and will not work across a fabric. Also this parameter will take | |
2386 | # effect only in the case when ALPA map is not available.) | |
2387 | */ | |
3de2a653 JS |
2388 | LPFC_VPORT_ATTR_R(scan_down, 1, 0, 1, |
2389 | "Start scanning for devices from highest ALPA to lowest"); | |
dea3101e | 2390 | |
dea3101e JB |
2391 | /* |
2392 | # lpfc_topology: link topology for init link | |
2393 | # 0x0 = attempt loop mode then point-to-point | |
367c2713 | 2394 | # 0x01 = internal loopback mode |
dea3101e JB |
2395 | # 0x02 = attempt point-to-point mode only |
2396 | # 0x04 = attempt loop mode only | |
2397 | # 0x06 = attempt point-to-point mode then loop | |
2398 | # Set point-to-point mode if you want to run as an N_Port. | |
2399 | # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6]. | |
2400 | # Default value is 0. | |
2401 | */ | |
e59058c4 JS |
2402 | |
2403 | /** | |
3621a710 | 2404 | * lpfc_topology_set - Set the adapters topology field |
e59058c4 JS |
2405 | * @phba: lpfc_hba pointer. |
2406 | * @val: topology value. | |
2407 | * | |
2408 | * Description: | |
2409 | * If val is in a valid range then set the adapter's topology field and | |
2410 | * issue a lip; if the lip fails reset the topology to the old value. | |
2411 | * | |
2412 | * If the value is not in range log a kernel error message and return an error. | |
2413 | * | |
2414 | * Returns: | |
2415 | * zero if val is in range and lip okay | |
2416 | * non-zero return value from lpfc_issue_lip() | |
2417 | * -EINVAL val out of range | |
2418 | **/ | |
a257bf90 JS |
2419 | static ssize_t |
2420 | lpfc_topology_store(struct device *dev, struct device_attribute *attr, | |
2421 | const char *buf, size_t count) | |
83108bd3 | 2422 | { |
a257bf90 JS |
2423 | struct Scsi_Host *shost = class_to_shost(dev); |
2424 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2425 | struct lpfc_hba *phba = vport->phba; | |
2426 | int val = 0; | |
2427 | int nolip = 0; | |
2428 | const char *val_buf = buf; | |
83108bd3 JS |
2429 | int err; |
2430 | uint32_t prev_val; | |
a257bf90 JS |
2431 | |
2432 | if (!strncmp(buf, "nolip ", strlen("nolip "))) { | |
2433 | nolip = 1; | |
2434 | val_buf = &buf[strlen("nolip ")]; | |
2435 | } | |
2436 | ||
2437 | if (!isdigit(val_buf[0])) | |
2438 | return -EINVAL; | |
2439 | if (sscanf(val_buf, "%i", &val) != 1) | |
2440 | return -EINVAL; | |
2441 | ||
83108bd3 JS |
2442 | if (val >= 0 && val <= 6) { |
2443 | prev_val = phba->cfg_topology; | |
2444 | phba->cfg_topology = val; | |
a257bf90 JS |
2445 | if (nolip) |
2446 | return strlen(buf); | |
2447 | ||
83108bd3 | 2448 | err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport)); |
a257bf90 | 2449 | if (err) { |
83108bd3 | 2450 | phba->cfg_topology = prev_val; |
a257bf90 JS |
2451 | return -EINVAL; |
2452 | } else | |
2453 | return strlen(buf); | |
83108bd3 JS |
2454 | } |
2455 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2456 | "%d:0467 lpfc_topology attribute cannot be set to %d, " | |
2457 | "allowed range is [0, 6]\n", | |
2458 | phba->brd_no, val); | |
2459 | return -EINVAL; | |
2460 | } | |
2461 | static int lpfc_topology = 0; | |
2462 | module_param(lpfc_topology, int, 0); | |
2463 | MODULE_PARM_DESC(lpfc_topology, "Select Fibre Channel topology"); | |
2464 | lpfc_param_show(topology) | |
2465 | lpfc_param_init(topology, 0, 0, 6) | |
ee959b00 | 2466 | static DEVICE_ATTR(lpfc_topology, S_IRUGO | S_IWUSR, |
83108bd3 | 2467 | lpfc_topology_show, lpfc_topology_store); |
dea3101e | 2468 | |
21e9a0a5 JS |
2469 | /** |
2470 | * lpfc_static_vport_show: Read callback function for | |
2471 | * lpfc_static_vport sysfs file. | |
2472 | * @dev: Pointer to class device object. | |
2473 | * @attr: device attribute structure. | |
2474 | * @buf: Data buffer. | |
2475 | * | |
2476 | * This function is the read call back function for | |
2477 | * lpfc_static_vport sysfs file. The lpfc_static_vport | |
2478 | * sysfs file report the mageability of the vport. | |
2479 | **/ | |
2480 | static ssize_t | |
2481 | lpfc_static_vport_show(struct device *dev, struct device_attribute *attr, | |
2482 | char *buf) | |
2483 | { | |
2484 | struct Scsi_Host *shost = class_to_shost(dev); | |
2485 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2486 | if (vport->vport_flag & STATIC_VPORT) | |
2487 | sprintf(buf, "1\n"); | |
2488 | else | |
2489 | sprintf(buf, "0\n"); | |
2490 | ||
2491 | return strlen(buf); | |
2492 | } | |
2493 | ||
2494 | /* | |
2495 | * Sysfs attribute to control the statistical data collection. | |
2496 | */ | |
2497 | static DEVICE_ATTR(lpfc_static_vport, S_IRUGO, | |
2498 | lpfc_static_vport_show, NULL); | |
ea2151b4 JS |
2499 | |
2500 | /** | |
3621a710 | 2501 | * lpfc_stat_data_ctrl_store - write call back for lpfc_stat_data_ctrl sysfs file |
ea2151b4 JS |
2502 | * @dev: Pointer to class device. |
2503 | * @buf: Data buffer. | |
2504 | * @count: Size of the data buffer. | |
2505 | * | |
2506 | * This function get called when an user write to the lpfc_stat_data_ctrl | |
2507 | * sysfs file. This function parse the command written to the sysfs file | |
2508 | * and take appropriate action. These commands are used for controlling | |
2509 | * driver statistical data collection. | |
2510 | * Following are the command this function handles. | |
2511 | * | |
2512 | * setbucket <bucket_type> <base> <step> | |
2513 | * = Set the latency buckets. | |
2514 | * destroybucket = destroy all the buckets. | |
2515 | * start = start data collection | |
2516 | * stop = stop data collection | |
2517 | * reset = reset the collected data | |
2518 | **/ | |
2519 | static ssize_t | |
2520 | lpfc_stat_data_ctrl_store(struct device *dev, struct device_attribute *attr, | |
2521 | const char *buf, size_t count) | |
2522 | { | |
2523 | struct Scsi_Host *shost = class_to_shost(dev); | |
2524 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2525 | struct lpfc_hba *phba = vport->phba; | |
2526 | #define LPFC_MAX_DATA_CTRL_LEN 1024 | |
2527 | static char bucket_data[LPFC_MAX_DATA_CTRL_LEN]; | |
2528 | unsigned long i; | |
2529 | char *str_ptr, *token; | |
2530 | struct lpfc_vport **vports; | |
2531 | struct Scsi_Host *v_shost; | |
2532 | char *bucket_type_str, *base_str, *step_str; | |
2533 | unsigned long base, step, bucket_type; | |
2534 | ||
2535 | if (!strncmp(buf, "setbucket", strlen("setbucket"))) { | |
a257bf90 | 2536 | if (strlen(buf) > (LPFC_MAX_DATA_CTRL_LEN - 1)) |
ea2151b4 JS |
2537 | return -EINVAL; |
2538 | ||
2539 | strcpy(bucket_data, buf); | |
2540 | str_ptr = &bucket_data[0]; | |
2541 | /* Ignore this token - this is command token */ | |
2542 | token = strsep(&str_ptr, "\t "); | |
2543 | if (!token) | |
2544 | return -EINVAL; | |
2545 | ||
2546 | bucket_type_str = strsep(&str_ptr, "\t "); | |
2547 | if (!bucket_type_str) | |
2548 | return -EINVAL; | |
2549 | ||
2550 | if (!strncmp(bucket_type_str, "linear", strlen("linear"))) | |
2551 | bucket_type = LPFC_LINEAR_BUCKET; | |
2552 | else if (!strncmp(bucket_type_str, "power2", strlen("power2"))) | |
2553 | bucket_type = LPFC_POWER2_BUCKET; | |
2554 | else | |
2555 | return -EINVAL; | |
2556 | ||
2557 | base_str = strsep(&str_ptr, "\t "); | |
2558 | if (!base_str) | |
2559 | return -EINVAL; | |
2560 | base = simple_strtoul(base_str, NULL, 0); | |
2561 | ||
2562 | step_str = strsep(&str_ptr, "\t "); | |
2563 | if (!step_str) | |
2564 | return -EINVAL; | |
2565 | step = simple_strtoul(step_str, NULL, 0); | |
2566 | if (!step) | |
2567 | return -EINVAL; | |
2568 | ||
2569 | /* Block the data collection for every vport */ | |
2570 | vports = lpfc_create_vport_work_array(phba); | |
2571 | if (vports == NULL) | |
2572 | return -ENOMEM; | |
2573 | ||
f4b4c68f | 2574 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
ea2151b4 JS |
2575 | v_shost = lpfc_shost_from_vport(vports[i]); |
2576 | spin_lock_irq(v_shost->host_lock); | |
2577 | /* Block and reset data collection */ | |
2578 | vports[i]->stat_data_blocked = 1; | |
2579 | if (vports[i]->stat_data_enabled) | |
2580 | lpfc_vport_reset_stat_data(vports[i]); | |
2581 | spin_unlock_irq(v_shost->host_lock); | |
2582 | } | |
2583 | ||
2584 | /* Set the bucket attributes */ | |
2585 | phba->bucket_type = bucket_type; | |
2586 | phba->bucket_base = base; | |
2587 | phba->bucket_step = step; | |
2588 | ||
f4b4c68f | 2589 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
ea2151b4 JS |
2590 | v_shost = lpfc_shost_from_vport(vports[i]); |
2591 | ||
2592 | /* Unblock data collection */ | |
2593 | spin_lock_irq(v_shost->host_lock); | |
2594 | vports[i]->stat_data_blocked = 0; | |
2595 | spin_unlock_irq(v_shost->host_lock); | |
2596 | } | |
2597 | lpfc_destroy_vport_work_array(phba, vports); | |
2598 | return strlen(buf); | |
2599 | } | |
2600 | ||
2601 | if (!strncmp(buf, "destroybucket", strlen("destroybucket"))) { | |
2602 | vports = lpfc_create_vport_work_array(phba); | |
2603 | if (vports == NULL) | |
2604 | return -ENOMEM; | |
2605 | ||
f4b4c68f | 2606 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
ea2151b4 JS |
2607 | v_shost = lpfc_shost_from_vport(vports[i]); |
2608 | spin_lock_irq(shost->host_lock); | |
2609 | vports[i]->stat_data_blocked = 1; | |
2610 | lpfc_free_bucket(vport); | |
2611 | vport->stat_data_enabled = 0; | |
2612 | vports[i]->stat_data_blocked = 0; | |
2613 | spin_unlock_irq(shost->host_lock); | |
2614 | } | |
2615 | lpfc_destroy_vport_work_array(phba, vports); | |
2616 | phba->bucket_type = LPFC_NO_BUCKET; | |
2617 | phba->bucket_base = 0; | |
2618 | phba->bucket_step = 0; | |
2619 | return strlen(buf); | |
2620 | } | |
2621 | ||
2622 | if (!strncmp(buf, "start", strlen("start"))) { | |
2623 | /* If no buckets configured return error */ | |
2624 | if (phba->bucket_type == LPFC_NO_BUCKET) | |
2625 | return -EINVAL; | |
2626 | spin_lock_irq(shost->host_lock); | |
2627 | if (vport->stat_data_enabled) { | |
2628 | spin_unlock_irq(shost->host_lock); | |
2629 | return strlen(buf); | |
2630 | } | |
2631 | lpfc_alloc_bucket(vport); | |
2632 | vport->stat_data_enabled = 1; | |
2633 | spin_unlock_irq(shost->host_lock); | |
2634 | return strlen(buf); | |
2635 | } | |
2636 | ||
2637 | if (!strncmp(buf, "stop", strlen("stop"))) { | |
2638 | spin_lock_irq(shost->host_lock); | |
2639 | if (vport->stat_data_enabled == 0) { | |
2640 | spin_unlock_irq(shost->host_lock); | |
2641 | return strlen(buf); | |
2642 | } | |
2643 | lpfc_free_bucket(vport); | |
2644 | vport->stat_data_enabled = 0; | |
2645 | spin_unlock_irq(shost->host_lock); | |
2646 | return strlen(buf); | |
2647 | } | |
2648 | ||
2649 | if (!strncmp(buf, "reset", strlen("reset"))) { | |
2650 | if ((phba->bucket_type == LPFC_NO_BUCKET) | |
2651 | || !vport->stat_data_enabled) | |
2652 | return strlen(buf); | |
2653 | spin_lock_irq(shost->host_lock); | |
2654 | vport->stat_data_blocked = 1; | |
2655 | lpfc_vport_reset_stat_data(vport); | |
2656 | vport->stat_data_blocked = 0; | |
2657 | spin_unlock_irq(shost->host_lock); | |
2658 | return strlen(buf); | |
2659 | } | |
2660 | return -EINVAL; | |
2661 | } | |
2662 | ||
2663 | ||
2664 | /** | |
3621a710 | 2665 | * lpfc_stat_data_ctrl_show - Read function for lpfc_stat_data_ctrl sysfs file |
ea2151b4 JS |
2666 | * @dev: Pointer to class device object. |
2667 | * @buf: Data buffer. | |
2668 | * | |
2669 | * This function is the read call back function for | |
2670 | * lpfc_stat_data_ctrl sysfs file. This function report the | |
2671 | * current statistical data collection state. | |
2672 | **/ | |
2673 | static ssize_t | |
2674 | lpfc_stat_data_ctrl_show(struct device *dev, struct device_attribute *attr, | |
2675 | char *buf) | |
2676 | { | |
2677 | struct Scsi_Host *shost = class_to_shost(dev); | |
2678 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2679 | struct lpfc_hba *phba = vport->phba; | |
2680 | int index = 0; | |
2681 | int i; | |
2682 | char *bucket_type; | |
2683 | unsigned long bucket_value; | |
2684 | ||
2685 | switch (phba->bucket_type) { | |
2686 | case LPFC_LINEAR_BUCKET: | |
2687 | bucket_type = "linear"; | |
2688 | break; | |
2689 | case LPFC_POWER2_BUCKET: | |
2690 | bucket_type = "power2"; | |
2691 | break; | |
2692 | default: | |
2693 | bucket_type = "No Bucket"; | |
2694 | break; | |
2695 | } | |
2696 | ||
2697 | sprintf(&buf[index], "Statistical Data enabled :%d, " | |
2698 | "blocked :%d, Bucket type :%s, Bucket base :%d," | |
2699 | " Bucket step :%d\nLatency Ranges :", | |
2700 | vport->stat_data_enabled, vport->stat_data_blocked, | |
2701 | bucket_type, phba->bucket_base, phba->bucket_step); | |
2702 | index = strlen(buf); | |
2703 | if (phba->bucket_type != LPFC_NO_BUCKET) { | |
2704 | for (i = 0; i < LPFC_MAX_BUCKET_COUNT; i++) { | |
2705 | if (phba->bucket_type == LPFC_LINEAR_BUCKET) | |
2706 | bucket_value = phba->bucket_base + | |
2707 | phba->bucket_step * i; | |
2708 | else | |
2709 | bucket_value = phba->bucket_base + | |
2710 | (1 << i) * phba->bucket_step; | |
2711 | ||
2712 | if (index + 10 > PAGE_SIZE) | |
2713 | break; | |
2714 | sprintf(&buf[index], "%08ld ", bucket_value); | |
2715 | index = strlen(buf); | |
2716 | } | |
2717 | } | |
2718 | sprintf(&buf[index], "\n"); | |
2719 | return strlen(buf); | |
2720 | } | |
2721 | ||
2722 | /* | |
2723 | * Sysfs attribute to control the statistical data collection. | |
2724 | */ | |
2725 | static DEVICE_ATTR(lpfc_stat_data_ctrl, S_IRUGO | S_IWUSR, | |
2726 | lpfc_stat_data_ctrl_show, lpfc_stat_data_ctrl_store); | |
2727 | ||
2728 | /* | |
2729 | * lpfc_drvr_stat_data: sysfs attr to get driver statistical data. | |
2730 | */ | |
2731 | ||
2732 | /* | |
2733 | * Each Bucket takes 11 characters and 1 new line + 17 bytes WWN | |
2734 | * for each target. | |
2735 | */ | |
2736 | #define STAT_DATA_SIZE_PER_TARGET(NUM_BUCKETS) ((NUM_BUCKETS) * 11 + 18) | |
2737 | #define MAX_STAT_DATA_SIZE_PER_TARGET \ | |
2738 | STAT_DATA_SIZE_PER_TARGET(LPFC_MAX_BUCKET_COUNT) | |
2739 | ||
2740 | ||
2741 | /** | |
3621a710 | 2742 | * sysfs_drvr_stat_data_read - Read function for lpfc_drvr_stat_data attribute |
2c3c8bea | 2743 | * @filp: sysfs file |
ea2151b4 JS |
2744 | * @kobj: Pointer to the kernel object |
2745 | * @bin_attr: Attribute object | |
2746 | * @buff: Buffer pointer | |
2747 | * @off: File offset | |
2748 | * @count: Buffer size | |
2749 | * | |
2750 | * This function is the read call back function for lpfc_drvr_stat_data | |
2751 | * sysfs file. This function export the statistical data to user | |
2752 | * applications. | |
2753 | **/ | |
2754 | static ssize_t | |
2c3c8bea CW |
2755 | sysfs_drvr_stat_data_read(struct file *filp, struct kobject *kobj, |
2756 | struct bin_attribute *bin_attr, | |
ea2151b4 JS |
2757 | char *buf, loff_t off, size_t count) |
2758 | { | |
2759 | struct device *dev = container_of(kobj, struct device, | |
2760 | kobj); | |
2761 | struct Scsi_Host *shost = class_to_shost(dev); | |
2762 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2763 | struct lpfc_hba *phba = vport->phba; | |
2764 | int i = 0, index = 0; | |
2765 | unsigned long nport_index; | |
2766 | struct lpfc_nodelist *ndlp = NULL; | |
2767 | nport_index = (unsigned long)off / | |
2768 | MAX_STAT_DATA_SIZE_PER_TARGET; | |
2769 | ||
2770 | if (!vport->stat_data_enabled || vport->stat_data_blocked | |
2771 | || (phba->bucket_type == LPFC_NO_BUCKET)) | |
2772 | return 0; | |
2773 | ||
2774 | spin_lock_irq(shost->host_lock); | |
2775 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { | |
2776 | if (!NLP_CHK_NODE_ACT(ndlp) || !ndlp->lat_data) | |
2777 | continue; | |
2778 | ||
2779 | if (nport_index > 0) { | |
2780 | nport_index--; | |
2781 | continue; | |
2782 | } | |
2783 | ||
2784 | if ((index + MAX_STAT_DATA_SIZE_PER_TARGET) | |
2785 | > count) | |
2786 | break; | |
2787 | ||
2788 | if (!ndlp->lat_data) | |
2789 | continue; | |
2790 | ||
2791 | /* Print the WWN */ | |
2792 | sprintf(&buf[index], "%02x%02x%02x%02x%02x%02x%02x%02x:", | |
2793 | ndlp->nlp_portname.u.wwn[0], | |
2794 | ndlp->nlp_portname.u.wwn[1], | |
2795 | ndlp->nlp_portname.u.wwn[2], | |
2796 | ndlp->nlp_portname.u.wwn[3], | |
2797 | ndlp->nlp_portname.u.wwn[4], | |
2798 | ndlp->nlp_portname.u.wwn[5], | |
2799 | ndlp->nlp_portname.u.wwn[6], | |
2800 | ndlp->nlp_portname.u.wwn[7]); | |
2801 | ||
2802 | index = strlen(buf); | |
2803 | ||
2804 | for (i = 0; i < LPFC_MAX_BUCKET_COUNT; i++) { | |
2805 | sprintf(&buf[index], "%010u,", | |
2806 | ndlp->lat_data[i].cmd_count); | |
2807 | index = strlen(buf); | |
2808 | } | |
2809 | sprintf(&buf[index], "\n"); | |
2810 | index = strlen(buf); | |
2811 | } | |
2812 | spin_unlock_irq(shost->host_lock); | |
2813 | return index; | |
2814 | } | |
2815 | ||
2816 | static struct bin_attribute sysfs_drvr_stat_data_attr = { | |
2817 | .attr = { | |
2818 | .name = "lpfc_drvr_stat_data", | |
2819 | .mode = S_IRUSR, | |
ea2151b4 JS |
2820 | }, |
2821 | .size = LPFC_MAX_TARGET * MAX_STAT_DATA_SIZE_PER_TARGET, | |
2822 | .read = sysfs_drvr_stat_data_read, | |
2823 | .write = NULL, | |
2824 | }; | |
2825 | ||
dea3101e JB |
2826 | /* |
2827 | # lpfc_link_speed: Link speed selection for initializing the Fibre Channel | |
2828 | # connection. | |
2829 | # 0 = auto select (default) | |
2830 | # 1 = 1 Gigabaud | |
2831 | # 2 = 2 Gigabaud | |
2832 | # 4 = 4 Gigabaud | |
b87eab38 JS |
2833 | # 8 = 8 Gigabaud |
2834 | # Value range is [0,8]. Default value is 0. | |
dea3101e | 2835 | */ |
e59058c4 JS |
2836 | |
2837 | /** | |
3621a710 | 2838 | * lpfc_link_speed_set - Set the adapters link speed |
e59058c4 JS |
2839 | * @phba: lpfc_hba pointer. |
2840 | * @val: link speed value. | |
2841 | * | |
2842 | * Description: | |
2843 | * If val is in a valid range then set the adapter's link speed field and | |
2844 | * issue a lip; if the lip fails reset the link speed to the old value. | |
2845 | * | |
2846 | * Notes: | |
2847 | * If the value is not in range log a kernel error message and return an error. | |
2848 | * | |
2849 | * Returns: | |
2850 | * zero if val is in range and lip okay. | |
2851 | * non-zero return value from lpfc_issue_lip() | |
2852 | * -EINVAL val out of range | |
2853 | **/ | |
a257bf90 JS |
2854 | static ssize_t |
2855 | lpfc_link_speed_store(struct device *dev, struct device_attribute *attr, | |
2856 | const char *buf, size_t count) | |
83108bd3 | 2857 | { |
a257bf90 JS |
2858 | struct Scsi_Host *shost = class_to_shost(dev); |
2859 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2860 | struct lpfc_hba *phba = vport->phba; | |
2861 | int val = 0; | |
2862 | int nolip = 0; | |
2863 | const char *val_buf = buf; | |
83108bd3 JS |
2864 | int err; |
2865 | uint32_t prev_val; | |
2866 | ||
a257bf90 JS |
2867 | if (!strncmp(buf, "nolip ", strlen("nolip "))) { |
2868 | nolip = 1; | |
2869 | val_buf = &buf[strlen("nolip ")]; | |
2870 | } | |
2871 | ||
2872 | if (!isdigit(val_buf[0])) | |
2873 | return -EINVAL; | |
2874 | if (sscanf(val_buf, "%i", &val) != 1) | |
2875 | return -EINVAL; | |
2876 | ||
83108bd3 JS |
2877 | if (((val == LINK_SPEED_1G) && !(phba->lmt & LMT_1Gb)) || |
2878 | ((val == LINK_SPEED_2G) && !(phba->lmt & LMT_2Gb)) || | |
2879 | ((val == LINK_SPEED_4G) && !(phba->lmt & LMT_4Gb)) || | |
2880 | ((val == LINK_SPEED_8G) && !(phba->lmt & LMT_8Gb)) || | |
2881 | ((val == LINK_SPEED_10G) && !(phba->lmt & LMT_10Gb))) | |
2882 | return -EINVAL; | |
2883 | ||
a257bf90 | 2884 | if ((val >= 0 && val <= 8) |
83108bd3 JS |
2885 | && (LPFC_LINK_SPEED_BITMAP & (1 << val))) { |
2886 | prev_val = phba->cfg_link_speed; | |
2887 | phba->cfg_link_speed = val; | |
a257bf90 JS |
2888 | if (nolip) |
2889 | return strlen(buf); | |
2890 | ||
83108bd3 | 2891 | err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport)); |
a257bf90 | 2892 | if (err) { |
83108bd3 | 2893 | phba->cfg_link_speed = prev_val; |
a257bf90 JS |
2894 | return -EINVAL; |
2895 | } else | |
2896 | return strlen(buf); | |
83108bd3 JS |
2897 | } |
2898 | ||
2899 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2900 | "%d:0469 lpfc_link_speed attribute cannot be set to %d, " | |
2901 | "allowed range is [0, 8]\n", | |
2902 | phba->brd_no, val); | |
2903 | return -EINVAL; | |
2904 | } | |
2905 | ||
2906 | static int lpfc_link_speed = 0; | |
2907 | module_param(lpfc_link_speed, int, 0); | |
2908 | MODULE_PARM_DESC(lpfc_link_speed, "Select link speed"); | |
2909 | lpfc_param_show(link_speed) | |
e59058c4 JS |
2910 | |
2911 | /** | |
3621a710 | 2912 | * lpfc_link_speed_init - Set the adapters link speed |
e59058c4 JS |
2913 | * @phba: lpfc_hba pointer. |
2914 | * @val: link speed value. | |
2915 | * | |
2916 | * Description: | |
2917 | * If val is in a valid range then set the adapter's link speed field. | |
2918 | * | |
2919 | * Notes: | |
2920 | * If the value is not in range log a kernel error message, clear the link | |
2921 | * speed and return an error. | |
2922 | * | |
2923 | * Returns: | |
2924 | * zero if val saved. | |
2925 | * -EINVAL val out of range | |
2926 | **/ | |
83108bd3 JS |
2927 | static int |
2928 | lpfc_link_speed_init(struct lpfc_hba *phba, int val) | |
2929 | { | |
2930 | if ((val >= 0 && val <= LPFC_MAX_LINK_SPEED) | |
2931 | && (LPFC_LINK_SPEED_BITMAP & (1 << val))) { | |
2932 | phba->cfg_link_speed = val; | |
2933 | return 0; | |
2934 | } | |
2935 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
d7c255b2 | 2936 | "0405 lpfc_link_speed attribute cannot " |
83108bd3 JS |
2937 | "be set to %d, allowed values are " |
2938 | "["LPFC_LINK_SPEED_STRING"]\n", val); | |
2939 | phba->cfg_link_speed = 0; | |
2940 | return -EINVAL; | |
2941 | } | |
2942 | ||
ee959b00 | 2943 | static DEVICE_ATTR(lpfc_link_speed, S_IRUGO | S_IWUSR, |
83108bd3 | 2944 | lpfc_link_speed_show, lpfc_link_speed_store); |
dea3101e | 2945 | |
0d878419 JS |
2946 | /* |
2947 | # lpfc_aer_support: Support PCIe device Advanced Error Reporting (AER) | |
2948 | # 0 = aer disabled or not supported | |
2949 | # 1 = aer supported and enabled (default) | |
2950 | # Value range is [0,1]. Default value is 1. | |
2951 | */ | |
2952 | ||
2953 | /** | |
2954 | * lpfc_aer_support_store - Set the adapter for aer support | |
2955 | * | |
2956 | * @dev: class device that is converted into a Scsi_host. | |
2957 | * @attr: device attribute, not used. | |
2958 | * @buf: containing the string "selective". | |
2959 | * @count: unused variable. | |
2960 | * | |
2961 | * Description: | |
2962 | * If the val is 1 and currently the device's AER capability was not | |
2963 | * enabled, invoke the kernel's enable AER helper routine, trying to | |
2964 | * enable the device's AER capability. If the helper routine enabling | |
2965 | * AER returns success, update the device's cfg_aer_support flag to | |
2966 | * indicate AER is supported by the device; otherwise, if the device | |
2967 | * AER capability is already enabled to support AER, then do nothing. | |
2968 | * | |
2969 | * If the val is 0 and currently the device's AER support was enabled, | |
2970 | * invoke the kernel's disable AER helper routine. After that, update | |
2971 | * the device's cfg_aer_support flag to indicate AER is not supported | |
2972 | * by the device; otherwise, if the device AER capability is already | |
2973 | * disabled from supporting AER, then do nothing. | |
2974 | * | |
2975 | * Returns: | |
2976 | * length of the buf on success if val is in range the intended mode | |
2977 | * is supported. | |
2978 | * -EINVAL if val out of range or intended mode is not supported. | |
2979 | **/ | |
2980 | static ssize_t | |
2981 | lpfc_aer_support_store(struct device *dev, struct device_attribute *attr, | |
2982 | const char *buf, size_t count) | |
2983 | { | |
2984 | struct Scsi_Host *shost = class_to_shost(dev); | |
2985 | struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; | |
2986 | struct lpfc_hba *phba = vport->phba; | |
2987 | int val = 0, rc = -EINVAL; | |
2988 | ||
2989 | if (!isdigit(buf[0])) | |
2990 | return -EINVAL; | |
2991 | if (sscanf(buf, "%i", &val) != 1) | |
2992 | return -EINVAL; | |
2993 | ||
2994 | switch (val) { | |
2995 | case 0: | |
2996 | if (phba->hba_flag & HBA_AER_ENABLED) { | |
2997 | rc = pci_disable_pcie_error_reporting(phba->pcidev); | |
2998 | if (!rc) { | |
2999 | spin_lock_irq(&phba->hbalock); | |
3000 | phba->hba_flag &= ~HBA_AER_ENABLED; | |
3001 | spin_unlock_irq(&phba->hbalock); | |
3002 | phba->cfg_aer_support = 0; | |
3003 | rc = strlen(buf); | |
3004 | } else | |
891478a2 JS |
3005 | rc = -EPERM; |
3006 | } else { | |
0d878419 | 3007 | phba->cfg_aer_support = 0; |
891478a2 JS |
3008 | rc = strlen(buf); |
3009 | } | |
0d878419 JS |
3010 | break; |
3011 | case 1: | |
3012 | if (!(phba->hba_flag & HBA_AER_ENABLED)) { | |
3013 | rc = pci_enable_pcie_error_reporting(phba->pcidev); | |
3014 | if (!rc) { | |
3015 | spin_lock_irq(&phba->hbalock); | |
3016 | phba->hba_flag |= HBA_AER_ENABLED; | |
3017 | spin_unlock_irq(&phba->hbalock); | |
3018 | phba->cfg_aer_support = 1; | |
3019 | rc = strlen(buf); | |
3020 | } else | |
891478a2 JS |
3021 | rc = -EPERM; |
3022 | } else { | |
0d878419 | 3023 | phba->cfg_aer_support = 1; |
891478a2 JS |
3024 | rc = strlen(buf); |
3025 | } | |
0d878419 JS |
3026 | break; |
3027 | default: | |
3028 | rc = -EINVAL; | |
3029 | break; | |
3030 | } | |
3031 | return rc; | |
3032 | } | |
3033 | ||
3034 | static int lpfc_aer_support = 1; | |
3035 | module_param(lpfc_aer_support, int, 1); | |
3036 | MODULE_PARM_DESC(lpfc_aer_support, "Enable PCIe device AER support"); | |
3037 | lpfc_param_show(aer_support) | |
3038 | ||
3039 | /** | |
3040 | * lpfc_aer_support_init - Set the initial adapters aer support flag | |
3041 | * @phba: lpfc_hba pointer. | |
3042 | * @val: link speed value. | |
3043 | * | |
3044 | * Description: | |
3045 | * If val is in a valid range [0,1], then set the adapter's initial | |
3046 | * cfg_aer_support field. It will be up to the driver's probe_one | |
3047 | * routine to determine whether the device's AER support can be set | |
3048 | * or not. | |
3049 | * | |
3050 | * Notes: | |
3051 | * If the value is not in range log a kernel error message, and | |
3052 | * choose the default value of setting AER support and return. | |
3053 | * | |
3054 | * Returns: | |
3055 | * zero if val saved. | |
3056 | * -EINVAL val out of range | |
3057 | **/ | |
3058 | static int | |
3059 | lpfc_aer_support_init(struct lpfc_hba *phba, int val) | |
3060 | { | |
3061 | if (val == 0 || val == 1) { | |
3062 | phba->cfg_aer_support = val; | |
3063 | return 0; | |
3064 | } | |
3065 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3066 | "2712 lpfc_aer_support attribute value %d out " | |
3067 | "of range, allowed values are 0|1, setting it " | |
3068 | "to default value of 1\n", val); | |
891478a2 | 3069 | /* By default, try to enable AER on a device */ |
0d878419 JS |
3070 | phba->cfg_aer_support = 1; |
3071 | return -EINVAL; | |
3072 | } | |
3073 | ||
3074 | static DEVICE_ATTR(lpfc_aer_support, S_IRUGO | S_IWUSR, | |
3075 | lpfc_aer_support_show, lpfc_aer_support_store); | |
3076 | ||
3077 | /** | |
3078 | * lpfc_aer_cleanup_state - Clean up aer state to the aer enabled device | |
3079 | * @dev: class device that is converted into a Scsi_host. | |
3080 | * @attr: device attribute, not used. | |
3081 | * @buf: containing the string "selective". | |
3082 | * @count: unused variable. | |
3083 | * | |
3084 | * Description: | |
3085 | * If the @buf contains 1 and the device currently has the AER support | |
3086 | * enabled, then invokes the kernel AER helper routine | |
3087 | * pci_cleanup_aer_uncorrect_error_status to clean up the uncorrectable | |
3088 | * error status register. | |
3089 | * | |
3090 | * Notes: | |
3091 | * | |
3092 | * Returns: | |
3093 | * -EINVAL if the buf does not contain the 1 or the device is not currently | |
3094 | * enabled with the AER support. | |
3095 | **/ | |
3096 | static ssize_t | |
3097 | lpfc_aer_cleanup_state(struct device *dev, struct device_attribute *attr, | |
3098 | const char *buf, size_t count) | |
3099 | { | |
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; | |
3103 | int val, rc = -1; | |
3104 | ||
3105 | if (!isdigit(buf[0])) | |
3106 | return -EINVAL; | |
3107 | if (sscanf(buf, "%i", &val) != 1) | |
3108 | return -EINVAL; | |
891478a2 JS |
3109 | if (val != 1) |
3110 | return -EINVAL; | |
0d878419 | 3111 | |
891478a2 | 3112 | if (phba->hba_flag & HBA_AER_ENABLED) |
0d878419 JS |
3113 | rc = pci_cleanup_aer_uncorrect_error_status(phba->pcidev); |
3114 | ||
3115 | if (rc == 0) | |
3116 | return strlen(buf); | |
3117 | else | |
891478a2 | 3118 | return -EPERM; |
0d878419 JS |
3119 | } |
3120 | ||
3121 | static DEVICE_ATTR(lpfc_aer_state_cleanup, S_IWUSR, NULL, | |
3122 | lpfc_aer_cleanup_state); | |
3123 | ||
dea3101e JB |
3124 | /* |
3125 | # lpfc_fcp_class: Determines FC class to use for the FCP protocol. | |
3126 | # Value range is [2,3]. Default value is 3. | |
3127 | */ | |
3de2a653 JS |
3128 | LPFC_VPORT_ATTR_R(fcp_class, 3, 2, 3, |
3129 | "Select Fibre Channel class of service for FCP sequences"); | |
dea3101e JB |
3130 | |
3131 | /* | |
3132 | # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range | |
3133 | # is [0,1]. Default value is 0. | |
3134 | */ | |
3de2a653 JS |
3135 | LPFC_VPORT_ATTR_RW(use_adisc, 0, 0, 1, |
3136 | "Use ADISC on rediscovery to authenticate FCP devices"); | |
dea3101e | 3137 | |
977b5a0a JS |
3138 | /* |
3139 | # lpfc_max_scsicmpl_time: Use scsi command completion time to control I/O queue | |
3140 | # depth. Default value is 0. When the value of this parameter is zero the | |
3141 | # SCSI command completion time is not used for controlling I/O queue depth. When | |
3142 | # the parameter is set to a non-zero value, the I/O queue depth is controlled | |
3143 | # to limit the I/O completion time to the parameter value. | |
3144 | # The value is set in milliseconds. | |
3145 | */ | |
3146 | static int lpfc_max_scsicmpl_time; | |
3147 | module_param(lpfc_max_scsicmpl_time, int, 0); | |
3148 | MODULE_PARM_DESC(lpfc_max_scsicmpl_time, | |
3149 | "Use command completion time to control queue depth"); | |
3150 | lpfc_vport_param_show(max_scsicmpl_time); | |
3151 | lpfc_vport_param_init(max_scsicmpl_time, 0, 0, 60000); | |
3152 | static int | |
3153 | lpfc_max_scsicmpl_time_set(struct lpfc_vport *vport, int val) | |
3154 | { | |
3155 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
3156 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
3157 | ||
3158 | if (val == vport->cfg_max_scsicmpl_time) | |
3159 | return 0; | |
3160 | if ((val < 0) || (val > 60000)) | |
3161 | return -EINVAL; | |
3162 | vport->cfg_max_scsicmpl_time = val; | |
3163 | ||
3164 | spin_lock_irq(shost->host_lock); | |
3165 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { | |
3166 | if (!NLP_CHK_NODE_ACT(ndlp)) | |
3167 | continue; | |
3168 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) | |
3169 | continue; | |
7dc517df | 3170 | ndlp->cmd_qdepth = vport->cfg_tgt_queue_depth; |
977b5a0a JS |
3171 | } |
3172 | spin_unlock_irq(shost->host_lock); | |
3173 | return 0; | |
3174 | } | |
3175 | lpfc_vport_param_store(max_scsicmpl_time); | |
3176 | static DEVICE_ATTR(lpfc_max_scsicmpl_time, S_IRUGO | S_IWUSR, | |
3177 | lpfc_max_scsicmpl_time_show, | |
3178 | lpfc_max_scsicmpl_time_store); | |
3179 | ||
dea3101e JB |
3180 | /* |
3181 | # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value | |
3182 | # range is [0,1]. Default value is 0. | |
3183 | */ | |
3184 | LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support"); | |
3185 | ||
3186 | /* | |
3187 | # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing | |
3188 | # cr_delay (msec) or cr_count outstanding commands. cr_delay can take | |
7054a606 | 3189 | # value [0,63]. cr_count can take value [1,255]. Default value of cr_delay |
dea3101e JB |
3190 | # is 0. Default value of cr_count is 1. The cr_count feature is disabled if |
3191 | # cr_delay is set to 0. | |
3192 | */ | |
8189fd19 | 3193 | LPFC_ATTR_RW(cr_delay, 0, 0, 63, "A count of milliseconds after which an " |
dea3101e JB |
3194 | "interrupt response is generated"); |
3195 | ||
8189fd19 | 3196 | LPFC_ATTR_RW(cr_count, 1, 1, 255, "A count of I/O completions after which an " |
dea3101e JB |
3197 | "interrupt response is generated"); |
3198 | ||
cf5bf97e JW |
3199 | /* |
3200 | # lpfc_multi_ring_support: Determines how many rings to spread available | |
3201 | # cmd/rsp IOCB entries across. | |
3202 | # Value range is [1,2]. Default value is 1. | |
3203 | */ | |
3204 | LPFC_ATTR_R(multi_ring_support, 1, 1, 2, "Determines number of primary " | |
3205 | "SLI rings to spread IOCB entries across"); | |
3206 | ||
a4bc3379 JS |
3207 | /* |
3208 | # lpfc_multi_ring_rctl: If lpfc_multi_ring_support is enabled, this | |
3209 | # identifies what rctl value to configure the additional ring for. | |
3210 | # Value range is [1,0xff]. Default value is 4 (Unsolicated Data). | |
3211 | */ | |
6a9c52cf | 3212 | LPFC_ATTR_R(multi_ring_rctl, FC_RCTL_DD_UNSOL_DATA, 1, |
a4bc3379 JS |
3213 | 255, "Identifies RCTL for additional ring configuration"); |
3214 | ||
3215 | /* | |
3216 | # lpfc_multi_ring_type: If lpfc_multi_ring_support is enabled, this | |
3217 | # identifies what type value to configure the additional ring for. | |
3218 | # Value range is [1,0xff]. Default value is 5 (LLC/SNAP). | |
3219 | */ | |
6a9c52cf | 3220 | LPFC_ATTR_R(multi_ring_type, FC_TYPE_IP, 1, |
a4bc3379 JS |
3221 | 255, "Identifies TYPE for additional ring configuration"); |
3222 | ||
dea3101e JB |
3223 | /* |
3224 | # lpfc_fdmi_on: controls FDMI support. | |
3225 | # 0 = no FDMI support | |
3226 | # 1 = support FDMI without attribute of hostname | |
3227 | # 2 = support FDMI with attribute of hostname | |
3228 | # Value range [0,2]. Default value is 0. | |
3229 | */ | |
3de2a653 | 3230 | LPFC_VPORT_ATTR_RW(fdmi_on, 0, 0, 2, "Enable FDMI support"); |
dea3101e JB |
3231 | |
3232 | /* | |
3233 | # Specifies the maximum number of ELS cmds we can have outstanding (for | |
3234 | # discovery). Value range is [1,64]. Default value = 32. | |
3235 | */ | |
3de2a653 | 3236 | LPFC_VPORT_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands " |
dea3101e JB |
3237 | "during discovery"); |
3238 | ||
3239 | /* | |
65a29c16 JS |
3240 | # lpfc_max_luns: maximum allowed LUN. |
3241 | # Value range is [0,65535]. Default value is 255. | |
3242 | # NOTE: The SCSI layer might probe all allowed LUN on some old targets. | |
dea3101e | 3243 | */ |
3de2a653 | 3244 | LPFC_VPORT_ATTR_R(max_luns, 255, 0, 65535, "Maximum allowed LUN"); |
dea3101e | 3245 | |
875fbdfe JSEC |
3246 | /* |
3247 | # lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring. | |
3248 | # Value range is [1,255], default value is 10. | |
3249 | */ | |
3250 | LPFC_ATTR_RW(poll_tmo, 10, 1, 255, | |
3251 | "Milliseconds driver will wait between polling FCP ring"); | |
3252 | ||
4ff43246 JS |
3253 | /* |
3254 | # lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that | |
3255 | # support this feature | |
8605c46c | 3256 | # 0 = MSI disabled |
4ff43246 | 3257 | # 1 = MSI enabled |
8605c46c GK |
3258 | # 2 = MSI-X enabled (default) |
3259 | # Value range is [0,2]. Default value is 2. | |
4ff43246 | 3260 | */ |
8605c46c | 3261 | LPFC_ATTR_R(use_msi, 2, 0, 2, "Use Message Signaled Interrupts (1) or " |
db2378e0 | 3262 | "MSI-X (2), if possible"); |
4ff43246 | 3263 | |
da0436e9 JS |
3264 | /* |
3265 | # lpfc_fcp_imax: Set the maximum number of fast-path FCP interrupts per second | |
3266 | # | |
3267 | # Value range is [636,651042]. Default value is 10000. | |
3268 | */ | |
3269 | LPFC_ATTR_R(fcp_imax, LPFC_FP_DEF_IMAX, LPFC_MIM_IMAX, LPFC_DMULT_CONST, | |
3270 | "Set the maximum number of fast-path FCP interrupts per second"); | |
3271 | ||
3272 | /* | |
3273 | # lpfc_fcp_wq_count: Set the number of fast-path FCP work queues | |
3274 | # | |
3275 | # Value range is [1,31]. Default value is 4. | |
3276 | */ | |
3277 | LPFC_ATTR_R(fcp_wq_count, LPFC_FP_WQN_DEF, LPFC_FP_WQN_MIN, LPFC_FP_WQN_MAX, | |
3278 | "Set the number of fast-path FCP work queues, if possible"); | |
3279 | ||
3280 | /* | |
3281 | # lpfc_fcp_eq_count: Set the number of fast-path FCP event queues | |
3282 | # | |
3283 | # Value range is [1,7]. Default value is 1. | |
3284 | */ | |
3285 | LPFC_ATTR_R(fcp_eq_count, LPFC_FP_EQN_DEF, LPFC_FP_EQN_MIN, LPFC_FP_EQN_MAX, | |
3286 | "Set the number of fast-path FCP event queues, if possible"); | |
3287 | ||
13815c83 JS |
3288 | /* |
3289 | # lpfc_enable_hba_reset: Allow or prevent HBA resets to the hardware. | |
3290 | # 0 = HBA resets disabled | |
3291 | # 1 = HBA resets enabled (default) | |
3292 | # Value range is [0,1]. Default value is 1. | |
3293 | */ | |
3294 | LPFC_ATTR_R(enable_hba_reset, 1, 0, 1, "Enable HBA resets from the driver."); | |
c3f28afa | 3295 | |
13815c83 JS |
3296 | /* |
3297 | # lpfc_enable_hba_heartbeat: Enable HBA heartbeat timer.. | |
3298 | # 0 = HBA Heartbeat disabled | |
3299 | # 1 = HBA Heartbeat enabled (default) | |
3300 | # Value range is [0,1]. Default value is 1. | |
3301 | */ | |
3302 | LPFC_ATTR_R(enable_hba_heartbeat, 1, 0, 1, "Enable HBA Heartbeat."); | |
92d7f7b0 | 3303 | |
81301a9b JS |
3304 | /* |
3305 | # lpfc_enable_bg: Enable BlockGuard (Emulex's Implementation of T10-DIF) | |
3306 | # 0 = BlockGuard disabled (default) | |
3307 | # 1 = BlockGuard enabled | |
3308 | # Value range is [0,1]. Default value is 0. | |
3309 | */ | |
3310 | LPFC_ATTR_R(enable_bg, 0, 0, 1, "Enable BlockGuard Support"); | |
3311 | ||
81301a9b JS |
3312 | /* |
3313 | # lpfc_prot_mask: i | |
3314 | # - Bit mask of host protection capabilities used to register with the | |
3315 | # SCSI mid-layer | |
3316 | # - Only meaningful if BG is turned on (lpfc_enable_bg=1). | |
3317 | # - Allows you to ultimately specify which profiles to use | |
3318 | # - Default will result in registering capabilities for all profiles. | |
3319 | # | |
3320 | */ | |
bc73905a | 3321 | unsigned int lpfc_prot_mask = SHOST_DIF_TYPE1_PROTECTION; |
81301a9b JS |
3322 | |
3323 | module_param(lpfc_prot_mask, uint, 0); | |
3324 | MODULE_PARM_DESC(lpfc_prot_mask, "host protection mask"); | |
3325 | ||
3326 | /* | |
3327 | # lpfc_prot_guard: i | |
3328 | # - Bit mask of protection guard types to register with the SCSI mid-layer | |
3329 | # - Guard types are currently either 1) IP checksum 2) T10-DIF CRC | |
3330 | # - Allows you to ultimately specify which profiles to use | |
3331 | # - Default will result in registering capabilities for all guard types | |
3332 | # | |
3333 | */ | |
3334 | unsigned char lpfc_prot_guard = SHOST_DIX_GUARD_IP; | |
3335 | module_param(lpfc_prot_guard, byte, 0); | |
3336 | MODULE_PARM_DESC(lpfc_prot_guard, "host protection guard type"); | |
3337 | ||
3338 | ||
83108bd3 | 3339 | /* |
3621a710 | 3340 | * lpfc_sg_seg_cnt - Initial Maximum DMA Segment Count |
83108bd3 JS |
3341 | * This value can be set to values between 64 and 256. The default value is |
3342 | * 64, but may be increased to allow for larger Max I/O sizes. The scsi layer | |
3343 | * will be allowed to request I/Os of sizes up to (MAX_SEG_COUNT * SEG_SIZE). | |
3344 | */ | |
3345 | LPFC_ATTR_R(sg_seg_cnt, LPFC_DEFAULT_SG_SEG_CNT, LPFC_DEFAULT_SG_SEG_CNT, | |
3346 | LPFC_MAX_SG_SEG_CNT, "Max Scatter Gather Segment Count"); | |
3347 | ||
81301a9b JS |
3348 | LPFC_ATTR_R(prot_sg_seg_cnt, LPFC_DEFAULT_PROT_SG_SEG_CNT, |
3349 | LPFC_DEFAULT_PROT_SG_SEG_CNT, LPFC_MAX_PROT_SG_SEG_CNT, | |
3350 | "Max Protection Scatter Gather Segment Count"); | |
3351 | ||
ee959b00 | 3352 | struct device_attribute *lpfc_hba_attrs[] = { |
81301a9b JS |
3353 | &dev_attr_bg_info, |
3354 | &dev_attr_bg_guard_err, | |
3355 | &dev_attr_bg_apptag_err, | |
3356 | &dev_attr_bg_reftag_err, | |
ee959b00 TJ |
3357 | &dev_attr_info, |
3358 | &dev_attr_serialnum, | |
3359 | &dev_attr_modeldesc, | |
3360 | &dev_attr_modelname, | |
3361 | &dev_attr_programtype, | |
3362 | &dev_attr_portnum, | |
3363 | &dev_attr_fwrev, | |
3364 | &dev_attr_hdw, | |
3365 | &dev_attr_option_rom_version, | |
bbd1ae41 | 3366 | &dev_attr_link_state, |
ee959b00 | 3367 | &dev_attr_num_discovered_ports, |
84774a4d | 3368 | &dev_attr_menlo_mgmt_mode, |
ee959b00 | 3369 | &dev_attr_lpfc_drvr_version, |
45ed1190 | 3370 | &dev_attr_lpfc_enable_fip, |
ee959b00 TJ |
3371 | &dev_attr_lpfc_temp_sensor, |
3372 | &dev_attr_lpfc_log_verbose, | |
3373 | &dev_attr_lpfc_lun_queue_depth, | |
7dc517df | 3374 | &dev_attr_lpfc_tgt_queue_depth, |
ee959b00 TJ |
3375 | &dev_attr_lpfc_hba_queue_depth, |
3376 | &dev_attr_lpfc_peer_port_login, | |
3377 | &dev_attr_lpfc_nodev_tmo, | |
3378 | &dev_attr_lpfc_devloss_tmo, | |
3379 | &dev_attr_lpfc_fcp_class, | |
3380 | &dev_attr_lpfc_use_adisc, | |
3381 | &dev_attr_lpfc_ack0, | |
3382 | &dev_attr_lpfc_topology, | |
3383 | &dev_attr_lpfc_scan_down, | |
3384 | &dev_attr_lpfc_link_speed, | |
3385 | &dev_attr_lpfc_cr_delay, | |
3386 | &dev_attr_lpfc_cr_count, | |
3387 | &dev_attr_lpfc_multi_ring_support, | |
3388 | &dev_attr_lpfc_multi_ring_rctl, | |
3389 | &dev_attr_lpfc_multi_ring_type, | |
3390 | &dev_attr_lpfc_fdmi_on, | |
3391 | &dev_attr_lpfc_max_luns, | |
3392 | &dev_attr_lpfc_enable_npiv, | |
3393 | &dev_attr_nport_evt_cnt, | |
3394 | &dev_attr_board_mode, | |
3395 | &dev_attr_max_vpi, | |
3396 | &dev_attr_used_vpi, | |
3397 | &dev_attr_max_rpi, | |
3398 | &dev_attr_used_rpi, | |
3399 | &dev_attr_max_xri, | |
3400 | &dev_attr_used_xri, | |
3401 | &dev_attr_npiv_info, | |
3402 | &dev_attr_issue_reset, | |
3403 | &dev_attr_lpfc_poll, | |
3404 | &dev_attr_lpfc_poll_tmo, | |
3405 | &dev_attr_lpfc_use_msi, | |
da0436e9 JS |
3406 | &dev_attr_lpfc_fcp_imax, |
3407 | &dev_attr_lpfc_fcp_wq_count, | |
3408 | &dev_attr_lpfc_fcp_eq_count, | |
81301a9b | 3409 | &dev_attr_lpfc_enable_bg, |
ee959b00 TJ |
3410 | &dev_attr_lpfc_soft_wwnn, |
3411 | &dev_attr_lpfc_soft_wwpn, | |
3412 | &dev_attr_lpfc_soft_wwn_enable, | |
3413 | &dev_attr_lpfc_enable_hba_reset, | |
3414 | &dev_attr_lpfc_enable_hba_heartbeat, | |
3415 | &dev_attr_lpfc_sg_seg_cnt, | |
977b5a0a | 3416 | &dev_attr_lpfc_max_scsicmpl_time, |
ea2151b4 | 3417 | &dev_attr_lpfc_stat_data_ctrl, |
81301a9b | 3418 | &dev_attr_lpfc_prot_sg_seg_cnt, |
0d878419 JS |
3419 | &dev_attr_lpfc_aer_support, |
3420 | &dev_attr_lpfc_aer_state_cleanup, | |
84d1b006 | 3421 | &dev_attr_lpfc_suppress_link_up, |
2a9bf3d0 JS |
3422 | &dev_attr_lpfc_iocb_cnt, |
3423 | &dev_attr_iocb_hw, | |
3424 | &dev_attr_txq_hw, | |
3425 | &dev_attr_txcmplq_hw, | |
bc73905a JS |
3426 | &dev_attr_lpfc_fips_level, |
3427 | &dev_attr_lpfc_fips_rev, | |
dea3101e JB |
3428 | NULL, |
3429 | }; | |
3430 | ||
ee959b00 TJ |
3431 | struct device_attribute *lpfc_vport_attrs[] = { |
3432 | &dev_attr_info, | |
bbd1ae41 | 3433 | &dev_attr_link_state, |
ee959b00 TJ |
3434 | &dev_attr_num_discovered_ports, |
3435 | &dev_attr_lpfc_drvr_version, | |
3436 | &dev_attr_lpfc_log_verbose, | |
3437 | &dev_attr_lpfc_lun_queue_depth, | |
7dc517df | 3438 | &dev_attr_lpfc_tgt_queue_depth, |
ee959b00 TJ |
3439 | &dev_attr_lpfc_nodev_tmo, |
3440 | &dev_attr_lpfc_devloss_tmo, | |
3441 | &dev_attr_lpfc_hba_queue_depth, | |
3442 | &dev_attr_lpfc_peer_port_login, | |
3443 | &dev_attr_lpfc_restrict_login, | |
3444 | &dev_attr_lpfc_fcp_class, | |
3445 | &dev_attr_lpfc_use_adisc, | |
3446 | &dev_attr_lpfc_fdmi_on, | |
3447 | &dev_attr_lpfc_max_luns, | |
3448 | &dev_attr_nport_evt_cnt, | |
3449 | &dev_attr_npiv_info, | |
3450 | &dev_attr_lpfc_enable_da_id, | |
ea2151b4 JS |
3451 | &dev_attr_lpfc_max_scsicmpl_time, |
3452 | &dev_attr_lpfc_stat_data_ctrl, | |
21e9a0a5 | 3453 | &dev_attr_lpfc_static_vport, |
bc73905a JS |
3454 | &dev_attr_lpfc_fips_level, |
3455 | &dev_attr_lpfc_fips_rev, | |
3de2a653 JS |
3456 | NULL, |
3457 | }; | |
3458 | ||
e59058c4 | 3459 | /** |
3621a710 | 3460 | * sysfs_ctlreg_write - Write method for writing to ctlreg |
2c3c8bea | 3461 | * @filp: open sysfs file |
e59058c4 JS |
3462 | * @kobj: kernel kobject that contains the kernel class device. |
3463 | * @bin_attr: kernel attributes passed to us. | |
3464 | * @buf: contains the data to be written to the adapter IOREG space. | |
3465 | * @off: offset into buffer to beginning of data. | |
3466 | * @count: bytes to transfer. | |
3467 | * | |
3468 | * Description: | |
3469 | * Accessed via /sys/class/scsi_host/hostxxx/ctlreg. | |
3470 | * Uses the adapter io control registers to send buf contents to the adapter. | |
3471 | * | |
3472 | * Returns: | |
3473 | * -ERANGE off and count combo out of range | |
3474 | * -EINVAL off, count or buff address invalid | |
3475 | * -EPERM adapter is offline | |
3476 | * value of count, buf contents written | |
3477 | **/ | |
dea3101e | 3478 | static ssize_t |
2c3c8bea CW |
3479 | sysfs_ctlreg_write(struct file *filp, struct kobject *kobj, |
3480 | struct bin_attribute *bin_attr, | |
91a69029 | 3481 | char *buf, loff_t off, size_t count) |
dea3101e JB |
3482 | { |
3483 | size_t buf_off; | |
ee959b00 TJ |
3484 | struct device *dev = container_of(kobj, struct device, kobj); |
3485 | struct Scsi_Host *shost = class_to_shost(dev); | |
2e0fef85 JS |
3486 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3487 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 3488 | |
f1126688 JS |
3489 | if (phba->sli_rev >= LPFC_SLI_REV4) |
3490 | return -EPERM; | |
3491 | ||
dea3101e JB |
3492 | if ((off + count) > FF_REG_AREA_SIZE) |
3493 | return -ERANGE; | |
3494 | ||
3495 | if (count == 0) return 0; | |
3496 | ||
3497 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
3498 | return -EINVAL; | |
3499 | ||
2e0fef85 | 3500 | if (!(vport->fc_flag & FC_OFFLINE_MODE)) { |
dea3101e JB |
3501 | return -EPERM; |
3502 | } | |
3503 | ||
2e0fef85 | 3504 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
3505 | for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) |
3506 | writel(*((uint32_t *)(buf + buf_off)), | |
3507 | phba->ctrl_regs_memmap_p + off + buf_off); | |
3508 | ||
2e0fef85 | 3509 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
3510 | |
3511 | return count; | |
3512 | } | |
3513 | ||
e59058c4 | 3514 | /** |
3621a710 | 3515 | * sysfs_ctlreg_read - Read method for reading from ctlreg |
2c3c8bea | 3516 | * @filp: open sysfs file |
e59058c4 JS |
3517 | * @kobj: kernel kobject that contains the kernel class device. |
3518 | * @bin_attr: kernel attributes passed to us. | |
af901ca1 | 3519 | * @buf: if successful contains the data from the adapter IOREG space. |
e59058c4 JS |
3520 | * @off: offset into buffer to beginning of data. |
3521 | * @count: bytes to transfer. | |
3522 | * | |
3523 | * Description: | |
3524 | * Accessed via /sys/class/scsi_host/hostxxx/ctlreg. | |
3525 | * Uses the adapter io control registers to read data into buf. | |
3526 | * | |
3527 | * Returns: | |
3528 | * -ERANGE off and count combo out of range | |
3529 | * -EINVAL off, count or buff address invalid | |
3530 | * value of count, buf contents read | |
3531 | **/ | |
dea3101e | 3532 | static ssize_t |
2c3c8bea CW |
3533 | sysfs_ctlreg_read(struct file *filp, struct kobject *kobj, |
3534 | struct bin_attribute *bin_attr, | |
91a69029 | 3535 | char *buf, loff_t off, size_t count) |
dea3101e JB |
3536 | { |
3537 | size_t buf_off; | |
3538 | uint32_t * tmp_ptr; | |
ee959b00 TJ |
3539 | struct device *dev = container_of(kobj, struct device, kobj); |
3540 | struct Scsi_Host *shost = class_to_shost(dev); | |
2e0fef85 JS |
3541 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3542 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 3543 | |
f1126688 JS |
3544 | if (phba->sli_rev >= LPFC_SLI_REV4) |
3545 | return -EPERM; | |
3546 | ||
dea3101e JB |
3547 | if (off > FF_REG_AREA_SIZE) |
3548 | return -ERANGE; | |
3549 | ||
3550 | if ((off + count) > FF_REG_AREA_SIZE) | |
3551 | count = FF_REG_AREA_SIZE - off; | |
3552 | ||
3553 | if (count == 0) return 0; | |
3554 | ||
3555 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
3556 | return -EINVAL; | |
3557 | ||
2e0fef85 | 3558 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
3559 | |
3560 | for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) { | |
3561 | tmp_ptr = (uint32_t *)(buf + buf_off); | |
3562 | *tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off); | |
3563 | } | |
3564 | ||
2e0fef85 | 3565 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
3566 | |
3567 | return count; | |
3568 | } | |
3569 | ||
3570 | static struct bin_attribute sysfs_ctlreg_attr = { | |
3571 | .attr = { | |
3572 | .name = "ctlreg", | |
3573 | .mode = S_IRUSR | S_IWUSR, | |
dea3101e JB |
3574 | }, |
3575 | .size = 256, | |
3576 | .read = sysfs_ctlreg_read, | |
3577 | .write = sysfs_ctlreg_write, | |
3578 | }; | |
3579 | ||
e59058c4 | 3580 | /** |
3621a710 | 3581 | * sysfs_mbox_idle - frees the sysfs mailbox |
e59058c4 JS |
3582 | * @phba: lpfc_hba pointer |
3583 | **/ | |
dea3101e | 3584 | static void |
2e0fef85 | 3585 | sysfs_mbox_idle(struct lpfc_hba *phba) |
dea3101e JB |
3586 | { |
3587 | phba->sysfs_mbox.state = SMBOX_IDLE; | |
3588 | phba->sysfs_mbox.offset = 0; | |
3589 | ||
3590 | if (phba->sysfs_mbox.mbox) { | |
3591 | mempool_free(phba->sysfs_mbox.mbox, | |
3592 | phba->mbox_mem_pool); | |
3593 | phba->sysfs_mbox.mbox = NULL; | |
3594 | } | |
3595 | } | |
3596 | ||
e59058c4 | 3597 | /** |
3621a710 | 3598 | * sysfs_mbox_write - Write method for writing information via mbox |
2c3c8bea | 3599 | * @filp: open sysfs file |
e59058c4 JS |
3600 | * @kobj: kernel kobject that contains the kernel class device. |
3601 | * @bin_attr: kernel attributes passed to us. | |
3602 | * @buf: contains the data to be written to sysfs mbox. | |
3603 | * @off: offset into buffer to beginning of data. | |
3604 | * @count: bytes to transfer. | |
3605 | * | |
3606 | * Description: | |
3607 | * Accessed via /sys/class/scsi_host/hostxxx/mbox. | |
3608 | * Uses the sysfs mbox to send buf contents to the adapter. | |
3609 | * | |
3610 | * Returns: | |
3611 | * -ERANGE off and count combo out of range | |
3612 | * -EINVAL off, count or buff address invalid | |
3613 | * zero if count is zero | |
3614 | * -EPERM adapter is offline | |
3615 | * -ENOMEM failed to allocate memory for the mail box | |
3616 | * -EAGAIN offset, state or mbox is NULL | |
3617 | * count number of bytes transferred | |
3618 | **/ | |
dea3101e | 3619 | static ssize_t |
2c3c8bea CW |
3620 | sysfs_mbox_write(struct file *filp, struct kobject *kobj, |
3621 | struct bin_attribute *bin_attr, | |
91a69029 | 3622 | char *buf, loff_t off, size_t count) |
dea3101e | 3623 | { |
ee959b00 TJ |
3624 | struct device *dev = container_of(kobj, struct device, kobj); |
3625 | struct Scsi_Host *shost = class_to_shost(dev); | |
2e0fef85 JS |
3626 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3627 | struct lpfc_hba *phba = vport->phba; | |
3628 | struct lpfcMboxq *mbox = NULL; | |
dea3101e JB |
3629 | |
3630 | if ((count + off) > MAILBOX_CMD_SIZE) | |
3631 | return -ERANGE; | |
3632 | ||
3633 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
3634 | return -EINVAL; | |
3635 | ||
3636 | if (count == 0) | |
3637 | return 0; | |
3638 | ||
3639 | if (off == 0) { | |
3640 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
3641 | if (!mbox) | |
3642 | return -ENOMEM; | |
fc6c12bc | 3643 | memset(mbox, 0, sizeof (LPFC_MBOXQ_t)); |
dea3101e JB |
3644 | } |
3645 | ||
2e0fef85 | 3646 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
3647 | |
3648 | if (off == 0) { | |
3649 | if (phba->sysfs_mbox.mbox) | |
3650 | mempool_free(mbox, phba->mbox_mem_pool); | |
3651 | else | |
3652 | phba->sysfs_mbox.mbox = mbox; | |
3653 | phba->sysfs_mbox.state = SMBOX_WRITING; | |
3654 | } else { | |
3655 | if (phba->sysfs_mbox.state != SMBOX_WRITING || | |
3656 | phba->sysfs_mbox.offset != off || | |
92d7f7b0 | 3657 | phba->sysfs_mbox.mbox == NULL) { |
dea3101e | 3658 | sysfs_mbox_idle(phba); |
2e0fef85 | 3659 | spin_unlock_irq(&phba->hbalock); |
8f6d98d2 | 3660 | return -EAGAIN; |
dea3101e JB |
3661 | } |
3662 | } | |
3663 | ||
04c68496 | 3664 | memcpy((uint8_t *) &phba->sysfs_mbox.mbox->u.mb + off, |
dea3101e JB |
3665 | buf, count); |
3666 | ||
3667 | phba->sysfs_mbox.offset = off + count; | |
3668 | ||
2e0fef85 | 3669 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
3670 | |
3671 | return count; | |
3672 | } | |
3673 | ||
e59058c4 | 3674 | /** |
3621a710 | 3675 | * sysfs_mbox_read - Read method for reading information via mbox |
2c3c8bea | 3676 | * @filp: open sysfs file |
e59058c4 JS |
3677 | * @kobj: kernel kobject that contains the kernel class device. |
3678 | * @bin_attr: kernel attributes passed to us. | |
3679 | * @buf: contains the data to be read from sysfs mbox. | |
3680 | * @off: offset into buffer to beginning of data. | |
3681 | * @count: bytes to transfer. | |
3682 | * | |
3683 | * Description: | |
3684 | * Accessed via /sys/class/scsi_host/hostxxx/mbox. | |
3685 | * Uses the sysfs mbox to receive data from to the adapter. | |
3686 | * | |
3687 | * Returns: | |
3688 | * -ERANGE off greater than mailbox command size | |
3689 | * -EINVAL off, count or buff address invalid | |
3690 | * zero if off and count are zero | |
3691 | * -EACCES adapter over temp | |
3692 | * -EPERM garbage can value to catch a multitude of errors | |
3693 | * -EAGAIN management IO not permitted, state or off error | |
3694 | * -ETIME mailbox timeout | |
3695 | * -ENODEV mailbox error | |
3696 | * count number of bytes transferred | |
3697 | **/ | |
dea3101e | 3698 | static ssize_t |
2c3c8bea CW |
3699 | sysfs_mbox_read(struct file *filp, struct kobject *kobj, |
3700 | struct bin_attribute *bin_attr, | |
91a69029 | 3701 | char *buf, loff_t off, size_t count) |
dea3101e | 3702 | { |
ee959b00 TJ |
3703 | struct device *dev = container_of(kobj, struct device, kobj); |
3704 | struct Scsi_Host *shost = class_to_shost(dev); | |
2e0fef85 JS |
3705 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3706 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 3707 | int rc; |
04c68496 | 3708 | MAILBOX_t *pmb; |
dea3101e | 3709 | |
1dcb58e5 | 3710 | if (off > MAILBOX_CMD_SIZE) |
dea3101e JB |
3711 | return -ERANGE; |
3712 | ||
1dcb58e5 JS |
3713 | if ((count + off) > MAILBOX_CMD_SIZE) |
3714 | count = MAILBOX_CMD_SIZE - off; | |
dea3101e JB |
3715 | |
3716 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
3717 | return -EINVAL; | |
3718 | ||
3719 | if (off && count == 0) | |
3720 | return 0; | |
3721 | ||
2e0fef85 | 3722 | spin_lock_irq(&phba->hbalock); |
dea3101e | 3723 | |
7af67051 JS |
3724 | if (phba->over_temp_state == HBA_OVER_TEMP) { |
3725 | sysfs_mbox_idle(phba); | |
3726 | spin_unlock_irq(&phba->hbalock); | |
09372820 | 3727 | return -EACCES; |
7af67051 JS |
3728 | } |
3729 | ||
dea3101e JB |
3730 | if (off == 0 && |
3731 | phba->sysfs_mbox.state == SMBOX_WRITING && | |
3732 | phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) { | |
04c68496 JS |
3733 | pmb = &phba->sysfs_mbox.mbox->u.mb; |
3734 | switch (pmb->mbxCommand) { | |
dea3101e | 3735 | /* Offline only */ |
dea3101e JB |
3736 | case MBX_INIT_LINK: |
3737 | case MBX_DOWN_LINK: | |
3738 | case MBX_CONFIG_LINK: | |
3739 | case MBX_CONFIG_RING: | |
3740 | case MBX_RESET_RING: | |
3741 | case MBX_UNREG_LOGIN: | |
3742 | case MBX_CLEAR_LA: | |
3743 | case MBX_DUMP_CONTEXT: | |
3744 | case MBX_RUN_DIAGS: | |
3745 | case MBX_RESTART: | |
dea3101e | 3746 | case MBX_SET_MASK: |
dea3101e | 3747 | case MBX_SET_DEBUG: |
2e0fef85 | 3748 | if (!(vport->fc_flag & FC_OFFLINE_MODE)) { |
dea3101e JB |
3749 | printk(KERN_WARNING "mbox_read:Command 0x%x " |
3750 | "is illegal in on-line state\n", | |
04c68496 | 3751 | pmb->mbxCommand); |
dea3101e | 3752 | sysfs_mbox_idle(phba); |
2e0fef85 | 3753 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
3754 | return -EPERM; |
3755 | } | |
a8adb832 JS |
3756 | case MBX_WRITE_NV: |
3757 | case MBX_WRITE_VPARMS: | |
dea3101e JB |
3758 | case MBX_LOAD_SM: |
3759 | case MBX_READ_NV: | |
3760 | case MBX_READ_CONFIG: | |
3761 | case MBX_READ_RCONFIG: | |
3762 | case MBX_READ_STATUS: | |
3763 | case MBX_READ_XRI: | |
3764 | case MBX_READ_REV: | |
3765 | case MBX_READ_LNK_STAT: | |
3766 | case MBX_DUMP_MEMORY: | |
3767 | case MBX_DOWN_LOAD: | |
3768 | case MBX_UPDATE_CFG: | |
41415862 | 3769 | case MBX_KILL_BOARD: |
dea3101e JB |
3770 | case MBX_LOAD_AREA: |
3771 | case MBX_LOAD_EXP_ROM: | |
41415862 JW |
3772 | case MBX_BEACON: |
3773 | case MBX_DEL_LD_ENTRY: | |
09372820 JS |
3774 | case MBX_SET_VARIABLE: |
3775 | case MBX_WRITE_WWN: | |
84774a4d JS |
3776 | case MBX_PORT_CAPABILITIES: |
3777 | case MBX_PORT_IOV_CONTROL: | |
dea3101e JB |
3778 | break; |
3779 | case MBX_READ_SPARM64: | |
3780 | case MBX_READ_LA: | |
3781 | case MBX_READ_LA64: | |
3782 | case MBX_REG_LOGIN: | |
3783 | case MBX_REG_LOGIN64: | |
3784 | case MBX_CONFIG_PORT: | |
3785 | case MBX_RUN_BIU_DIAG: | |
3786 | printk(KERN_WARNING "mbox_read: Illegal Command 0x%x\n", | |
04c68496 | 3787 | pmb->mbxCommand); |
dea3101e | 3788 | sysfs_mbox_idle(phba); |
2e0fef85 | 3789 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
3790 | return -EPERM; |
3791 | default: | |
3792 | printk(KERN_WARNING "mbox_read: Unknown Command 0x%x\n", | |
04c68496 | 3793 | pmb->mbxCommand); |
dea3101e | 3794 | sysfs_mbox_idle(phba); |
2e0fef85 | 3795 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
3796 | return -EPERM; |
3797 | } | |
3798 | ||
09372820 | 3799 | /* If HBA encountered an error attention, allow only DUMP |
1b32f6aa | 3800 | * or RESTART mailbox commands until the HBA is restarted. |
09372820 | 3801 | */ |
d7c255b2 | 3802 | if (phba->pport->stopped && |
04c68496 JS |
3803 | pmb->mbxCommand != MBX_DUMP_MEMORY && |
3804 | pmb->mbxCommand != MBX_RESTART && | |
3805 | pmb->mbxCommand != MBX_WRITE_VPARMS && | |
3806 | pmb->mbxCommand != MBX_WRITE_WWN) | |
d7c255b2 JS |
3807 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, |
3808 | "1259 mbox: Issued mailbox cmd " | |
3809 | "0x%x while in stopped state.\n", | |
04c68496 | 3810 | pmb->mbxCommand); |
09372820 | 3811 | |
92d7f7b0 JS |
3812 | phba->sysfs_mbox.mbox->vport = vport; |
3813 | ||
58da1ffb JS |
3814 | /* Don't allow mailbox commands to be sent when blocked |
3815 | * or when in the middle of discovery | |
3816 | */ | |
495a714c | 3817 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) { |
46fa311e | 3818 | sysfs_mbox_idle(phba); |
2e0fef85 | 3819 | spin_unlock_irq(&phba->hbalock); |
46fa311e JS |
3820 | return -EAGAIN; |
3821 | } | |
3822 | ||
2e0fef85 | 3823 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
f4b4c68f | 3824 | (!(phba->sli.sli_flag & LPFC_SLI_ACTIVE))) { |
dea3101e | 3825 | |
2e0fef85 | 3826 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
3827 | rc = lpfc_sli_issue_mbox (phba, |
3828 | phba->sysfs_mbox.mbox, | |
3829 | MBX_POLL); | |
2e0fef85 | 3830 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
3831 | |
3832 | } else { | |
2e0fef85 | 3833 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
3834 | rc = lpfc_sli_issue_mbox_wait (phba, |
3835 | phba->sysfs_mbox.mbox, | |
04c68496 | 3836 | lpfc_mbox_tmo_val(phba, pmb->mbxCommand) * HZ); |
2e0fef85 | 3837 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
3838 | } |
3839 | ||
3840 | if (rc != MBX_SUCCESS) { | |
1dcb58e5 | 3841 | if (rc == MBX_TIMEOUT) { |
1dcb58e5 JS |
3842 | phba->sysfs_mbox.mbox = NULL; |
3843 | } | |
dea3101e | 3844 | sysfs_mbox_idle(phba); |
2e0fef85 | 3845 | spin_unlock_irq(&phba->hbalock); |
8f6d98d2 | 3846 | return (rc == MBX_TIMEOUT) ? -ETIME : -ENODEV; |
dea3101e JB |
3847 | } |
3848 | phba->sysfs_mbox.state = SMBOX_READING; | |
3849 | } | |
3850 | else if (phba->sysfs_mbox.offset != off || | |
3851 | phba->sysfs_mbox.state != SMBOX_READING) { | |
3852 | printk(KERN_WARNING "mbox_read: Bad State\n"); | |
3853 | sysfs_mbox_idle(phba); | |
2e0fef85 | 3854 | spin_unlock_irq(&phba->hbalock); |
8f6d98d2 | 3855 | return -EAGAIN; |
dea3101e JB |
3856 | } |
3857 | ||
04c68496 | 3858 | memcpy(buf, (uint8_t *) &pmb + off, count); |
dea3101e JB |
3859 | |
3860 | phba->sysfs_mbox.offset = off + count; | |
3861 | ||
1dcb58e5 | 3862 | if (phba->sysfs_mbox.offset == MAILBOX_CMD_SIZE) |
dea3101e JB |
3863 | sysfs_mbox_idle(phba); |
3864 | ||
2e0fef85 | 3865 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
3866 | |
3867 | return count; | |
3868 | } | |
3869 | ||
3870 | static struct bin_attribute sysfs_mbox_attr = { | |
3871 | .attr = { | |
3872 | .name = "mbox", | |
3873 | .mode = S_IRUSR | S_IWUSR, | |
dea3101e | 3874 | }, |
1dcb58e5 | 3875 | .size = MAILBOX_CMD_SIZE, |
dea3101e JB |
3876 | .read = sysfs_mbox_read, |
3877 | .write = sysfs_mbox_write, | |
3878 | }; | |
3879 | ||
e59058c4 | 3880 | /** |
3621a710 | 3881 | * lpfc_alloc_sysfs_attr - Creates the ctlreg and mbox entries |
e59058c4 JS |
3882 | * @vport: address of lpfc vport structure. |
3883 | * | |
3884 | * Return codes: | |
3885 | * zero on success | |
3886 | * error return code from sysfs_create_bin_file() | |
3887 | **/ | |
dea3101e | 3888 | int |
2e0fef85 | 3889 | lpfc_alloc_sysfs_attr(struct lpfc_vport *vport) |
dea3101e | 3890 | { |
2e0fef85 | 3891 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e JB |
3892 | int error; |
3893 | ||
ee959b00 | 3894 | error = sysfs_create_bin_file(&shost->shost_dev.kobj, |
eada272d JS |
3895 | &sysfs_drvr_stat_data_attr); |
3896 | ||
3897 | /* Virtual ports do not need ctrl_reg and mbox */ | |
3898 | if (error || vport->port_type == LPFC_NPIV_PORT) | |
dea3101e JB |
3899 | goto out; |
3900 | ||
ee959b00 | 3901 | error = sysfs_create_bin_file(&shost->shost_dev.kobj, |
eada272d | 3902 | &sysfs_ctlreg_attr); |
dea3101e | 3903 | if (error) |
eada272d | 3904 | goto out_remove_stat_attr; |
dea3101e | 3905 | |
ea2151b4 | 3906 | error = sysfs_create_bin_file(&shost->shost_dev.kobj, |
eada272d | 3907 | &sysfs_mbox_attr); |
ea2151b4 | 3908 | if (error) |
eada272d | 3909 | goto out_remove_ctlreg_attr; |
ea2151b4 | 3910 | |
dea3101e JB |
3911 | return 0; |
3912 | out_remove_ctlreg_attr: | |
ee959b00 | 3913 | sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr); |
eada272d JS |
3914 | out_remove_stat_attr: |
3915 | sysfs_remove_bin_file(&shost->shost_dev.kobj, | |
3916 | &sysfs_drvr_stat_data_attr); | |
dea3101e JB |
3917 | out: |
3918 | return error; | |
3919 | } | |
3920 | ||
e59058c4 | 3921 | /** |
3621a710 | 3922 | * lpfc_free_sysfs_attr - Removes the ctlreg and mbox entries |
e59058c4 JS |
3923 | * @vport: address of lpfc vport structure. |
3924 | **/ | |
dea3101e | 3925 | void |
2e0fef85 | 3926 | lpfc_free_sysfs_attr(struct lpfc_vport *vport) |
dea3101e | 3927 | { |
2e0fef85 | 3928 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
ea2151b4 JS |
3929 | sysfs_remove_bin_file(&shost->shost_dev.kobj, |
3930 | &sysfs_drvr_stat_data_attr); | |
eada272d JS |
3931 | /* Virtual ports do not need ctrl_reg and mbox */ |
3932 | if (vport->port_type == LPFC_NPIV_PORT) | |
3933 | return; | |
ee959b00 TJ |
3934 | sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_mbox_attr); |
3935 | sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr); | |
dea3101e JB |
3936 | } |
3937 | ||
3938 | ||
3939 | /* | |
3940 | * Dynamic FC Host Attributes Support | |
3941 | */ | |
3942 | ||
e59058c4 | 3943 | /** |
3621a710 | 3944 | * lpfc_get_host_port_id - Copy the vport DID into the scsi host port id |
e59058c4 JS |
3945 | * @shost: kernel scsi host pointer. |
3946 | **/ | |
dea3101e JB |
3947 | static void |
3948 | lpfc_get_host_port_id(struct Scsi_Host *shost) | |
3949 | { | |
2e0fef85 JS |
3950 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3951 | ||
dea3101e | 3952 | /* note: fc_myDID already in cpu endianness */ |
2e0fef85 | 3953 | fc_host_port_id(shost) = vport->fc_myDID; |
dea3101e JB |
3954 | } |
3955 | ||
e59058c4 | 3956 | /** |
3621a710 | 3957 | * lpfc_get_host_port_type - Set the value of the scsi host port type |
e59058c4 JS |
3958 | * @shost: kernel scsi host pointer. |
3959 | **/ | |
dea3101e JB |
3960 | static void |
3961 | lpfc_get_host_port_type(struct Scsi_Host *shost) | |
3962 | { | |
2e0fef85 JS |
3963 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3964 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
3965 | |
3966 | spin_lock_irq(shost->host_lock); | |
3967 | ||
92d7f7b0 JS |
3968 | if (vport->port_type == LPFC_NPIV_PORT) { |
3969 | fc_host_port_type(shost) = FC_PORTTYPE_NPIV; | |
3970 | } else if (lpfc_is_link_up(phba)) { | |
dea3101e | 3971 | if (phba->fc_topology == TOPOLOGY_LOOP) { |
2e0fef85 | 3972 | if (vport->fc_flag & FC_PUBLIC_LOOP) |
dea3101e JB |
3973 | fc_host_port_type(shost) = FC_PORTTYPE_NLPORT; |
3974 | else | |
3975 | fc_host_port_type(shost) = FC_PORTTYPE_LPORT; | |
3976 | } else { | |
2e0fef85 | 3977 | if (vport->fc_flag & FC_FABRIC) |
dea3101e JB |
3978 | fc_host_port_type(shost) = FC_PORTTYPE_NPORT; |
3979 | else | |
3980 | fc_host_port_type(shost) = FC_PORTTYPE_PTP; | |
3981 | } | |
3982 | } else | |
3983 | fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN; | |
3984 | ||
3985 | spin_unlock_irq(shost->host_lock); | |
3986 | } | |
3987 | ||
e59058c4 | 3988 | /** |
3621a710 | 3989 | * lpfc_get_host_port_state - Set the value of the scsi host port state |
e59058c4 JS |
3990 | * @shost: kernel scsi host pointer. |
3991 | **/ | |
dea3101e JB |
3992 | static void |
3993 | lpfc_get_host_port_state(struct Scsi_Host *shost) | |
3994 | { | |
2e0fef85 JS |
3995 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3996 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
3997 | |
3998 | spin_lock_irq(shost->host_lock); | |
3999 | ||
2e0fef85 | 4000 | if (vport->fc_flag & FC_OFFLINE_MODE) |
dea3101e JB |
4001 | fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE; |
4002 | else { | |
2e0fef85 JS |
4003 | switch (phba->link_state) { |
4004 | case LPFC_LINK_UNKNOWN: | |
dea3101e JB |
4005 | case LPFC_LINK_DOWN: |
4006 | fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN; | |
4007 | break; | |
4008 | case LPFC_LINK_UP: | |
dea3101e JB |
4009 | case LPFC_CLEAR_LA: |
4010 | case LPFC_HBA_READY: | |
4011 | /* Links up, beyond this port_type reports state */ | |
4012 | fc_host_port_state(shost) = FC_PORTSTATE_ONLINE; | |
4013 | break; | |
4014 | case LPFC_HBA_ERROR: | |
4015 | fc_host_port_state(shost) = FC_PORTSTATE_ERROR; | |
4016 | break; | |
4017 | default: | |
4018 | fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN; | |
4019 | break; | |
4020 | } | |
4021 | } | |
4022 | ||
4023 | spin_unlock_irq(shost->host_lock); | |
4024 | } | |
4025 | ||
e59058c4 | 4026 | /** |
3621a710 | 4027 | * lpfc_get_host_speed - Set the value of the scsi host speed |
e59058c4 JS |
4028 | * @shost: kernel scsi host pointer. |
4029 | **/ | |
dea3101e JB |
4030 | static void |
4031 | lpfc_get_host_speed(struct Scsi_Host *shost) | |
4032 | { | |
2e0fef85 JS |
4033 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
4034 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
4035 | |
4036 | spin_lock_irq(shost->host_lock); | |
4037 | ||
2e0fef85 | 4038 | if (lpfc_is_link_up(phba)) { |
dea3101e JB |
4039 | switch(phba->fc_linkspeed) { |
4040 | case LA_1GHZ_LINK: | |
4041 | fc_host_speed(shost) = FC_PORTSPEED_1GBIT; | |
4042 | break; | |
4043 | case LA_2GHZ_LINK: | |
4044 | fc_host_speed(shost) = FC_PORTSPEED_2GBIT; | |
4045 | break; | |
4046 | case LA_4GHZ_LINK: | |
4047 | fc_host_speed(shost) = FC_PORTSPEED_4GBIT; | |
4048 | break; | |
b87eab38 JS |
4049 | case LA_8GHZ_LINK: |
4050 | fc_host_speed(shost) = FC_PORTSPEED_8GBIT; | |
4051 | break; | |
f4b4c68f JS |
4052 | case LA_10GHZ_LINK: |
4053 | fc_host_speed(shost) = FC_PORTSPEED_10GBIT; | |
4054 | break; | |
dea3101e JB |
4055 | default: |
4056 | fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN; | |
4057 | break; | |
4058 | } | |
09372820 JS |
4059 | } else |
4060 | fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN; | |
dea3101e JB |
4061 | |
4062 | spin_unlock_irq(shost->host_lock); | |
4063 | } | |
4064 | ||
e59058c4 | 4065 | /** |
3621a710 | 4066 | * lpfc_get_host_fabric_name - Set the value of the scsi host fabric name |
e59058c4 JS |
4067 | * @shost: kernel scsi host pointer. |
4068 | **/ | |
dea3101e JB |
4069 | static void |
4070 | lpfc_get_host_fabric_name (struct Scsi_Host *shost) | |
4071 | { | |
2e0fef85 JS |
4072 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
4073 | struct lpfc_hba *phba = vport->phba; | |
f631b4be | 4074 | u64 node_name; |
dea3101e JB |
4075 | |
4076 | spin_lock_irq(shost->host_lock); | |
4077 | ||
2e0fef85 | 4078 | if ((vport->fc_flag & FC_FABRIC) || |
dea3101e | 4079 | ((phba->fc_topology == TOPOLOGY_LOOP) && |
2e0fef85 | 4080 | (vport->fc_flag & FC_PUBLIC_LOOP))) |
68ce1eb5 | 4081 | node_name = wwn_to_u64(phba->fc_fabparam.nodeName.u.wwn); |
dea3101e JB |
4082 | else |
4083 | /* fabric is local port if there is no F/FL_Port */ | |
09372820 | 4084 | node_name = 0; |
dea3101e JB |
4085 | |
4086 | spin_unlock_irq(shost->host_lock); | |
4087 | ||
f631b4be | 4088 | fc_host_fabric_name(shost) = node_name; |
dea3101e JB |
4089 | } |
4090 | ||
e59058c4 | 4091 | /** |
3621a710 | 4092 | * lpfc_get_stats - Return statistical information about the adapter |
e59058c4 JS |
4093 | * @shost: kernel scsi host pointer. |
4094 | * | |
4095 | * Notes: | |
4096 | * NULL on error for link down, no mbox pool, sli2 active, | |
4097 | * management not allowed, memory allocation error, or mbox error. | |
4098 | * | |
4099 | * Returns: | |
4100 | * NULL for error | |
4101 | * address of the adapter host statistics | |
4102 | **/ | |
dea3101e JB |
4103 | static struct fc_host_statistics * |
4104 | lpfc_get_stats(struct Scsi_Host *shost) | |
4105 | { | |
2e0fef85 JS |
4106 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
4107 | struct lpfc_hba *phba = vport->phba; | |
4108 | struct lpfc_sli *psli = &phba->sli; | |
f888ba3c | 4109 | struct fc_host_statistics *hs = &phba->link_stats; |
64ba8818 | 4110 | struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets; |
dea3101e JB |
4111 | LPFC_MBOXQ_t *pmboxq; |
4112 | MAILBOX_t *pmb; | |
64ba8818 | 4113 | unsigned long seconds; |
433c3579 | 4114 | int rc = 0; |
dea3101e | 4115 | |
92d7f7b0 JS |
4116 | /* |
4117 | * prevent udev from issuing mailbox commands until the port is | |
4118 | * configured. | |
4119 | */ | |
2e0fef85 JS |
4120 | if (phba->link_state < LPFC_LINK_DOWN || |
4121 | !phba->mbox_mem_pool || | |
f4b4c68f | 4122 | (phba->sli.sli_flag & LPFC_SLI_ACTIVE) == 0) |
92d7f7b0 | 4123 | return NULL; |
2e0fef85 JS |
4124 | |
4125 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) | |
46fa311e JS |
4126 | return NULL; |
4127 | ||
dea3101e JB |
4128 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
4129 | if (!pmboxq) | |
4130 | return NULL; | |
4131 | memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); | |
4132 | ||
04c68496 | 4133 | pmb = &pmboxq->u.mb; |
dea3101e JB |
4134 | pmb->mbxCommand = MBX_READ_STATUS; |
4135 | pmb->mbxOwner = OWN_HOST; | |
4136 | pmboxq->context1 = NULL; | |
92d7f7b0 | 4137 | pmboxq->vport = vport; |
dea3101e | 4138 | |
75baf696 | 4139 | if (vport->fc_flag & FC_OFFLINE_MODE) |
dea3101e | 4140 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
433c3579 | 4141 | else |
dea3101e JB |
4142 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); |
4143 | ||
4144 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 4145 | if (rc != MBX_TIMEOUT) |
433c3579 | 4146 | mempool_free(pmboxq, phba->mbox_mem_pool); |
dea3101e JB |
4147 | return NULL; |
4148 | } | |
4149 | ||
f888ba3c JSEC |
4150 | memset(hs, 0, sizeof (struct fc_host_statistics)); |
4151 | ||
dea3101e JB |
4152 | hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt; |
4153 | hs->tx_words = (pmb->un.varRdStatus.xmitByteCnt * 256); | |
4154 | hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt; | |
4155 | hs->rx_words = (pmb->un.varRdStatus.rcvByteCnt * 256); | |
4156 | ||
433c3579 | 4157 | memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); |
dea3101e JB |
4158 | pmb->mbxCommand = MBX_READ_LNK_STAT; |
4159 | pmb->mbxOwner = OWN_HOST; | |
4160 | pmboxq->context1 = NULL; | |
92d7f7b0 | 4161 | pmboxq->vport = vport; |
dea3101e | 4162 | |
75baf696 | 4163 | if (vport->fc_flag & FC_OFFLINE_MODE) |
dea3101e | 4164 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
433c3579 | 4165 | else |
dea3101e JB |
4166 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); |
4167 | ||
4168 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 4169 | if (rc != MBX_TIMEOUT) |
92d7f7b0 | 4170 | mempool_free(pmboxq, phba->mbox_mem_pool); |
dea3101e JB |
4171 | return NULL; |
4172 | } | |
4173 | ||
4174 | hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt; | |
4175 | hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt; | |
4176 | hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt; | |
4177 | hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt; | |
4178 | hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord; | |
4179 | hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt; | |
4180 | hs->error_frames = pmb->un.varRdLnk.crcCnt; | |
4181 | ||
64ba8818 JS |
4182 | hs->link_failure_count -= lso->link_failure_count; |
4183 | hs->loss_of_sync_count -= lso->loss_of_sync_count; | |
4184 | hs->loss_of_signal_count -= lso->loss_of_signal_count; | |
4185 | hs->prim_seq_protocol_err_count -= lso->prim_seq_protocol_err_count; | |
4186 | hs->invalid_tx_word_count -= lso->invalid_tx_word_count; | |
4187 | hs->invalid_crc_count -= lso->invalid_crc_count; | |
4188 | hs->error_frames -= lso->error_frames; | |
4189 | ||
4d9ab994 JS |
4190 | if (phba->hba_flag & HBA_FCOE_SUPPORT) { |
4191 | hs->lip_count = -1; | |
4192 | hs->nos_count = (phba->link_events >> 1); | |
4193 | hs->nos_count -= lso->link_events; | |
4194 | } else if (phba->fc_topology == TOPOLOGY_LOOP) { | |
dea3101e | 4195 | hs->lip_count = (phba->fc_eventTag >> 1); |
64ba8818 | 4196 | hs->lip_count -= lso->link_events; |
dea3101e JB |
4197 | hs->nos_count = -1; |
4198 | } else { | |
4199 | hs->lip_count = -1; | |
4200 | hs->nos_count = (phba->fc_eventTag >> 1); | |
64ba8818 | 4201 | hs->nos_count -= lso->link_events; |
dea3101e JB |
4202 | } |
4203 | ||
4204 | hs->dumped_frames = -1; | |
4205 | ||
64ba8818 JS |
4206 | seconds = get_seconds(); |
4207 | if (seconds < psli->stats_start) | |
4208 | hs->seconds_since_last_reset = seconds + | |
4209 | ((unsigned long)-1 - psli->stats_start); | |
4210 | else | |
4211 | hs->seconds_since_last_reset = seconds - psli->stats_start; | |
dea3101e | 4212 | |
1dcb58e5 JS |
4213 | mempool_free(pmboxq, phba->mbox_mem_pool); |
4214 | ||
dea3101e JB |
4215 | return hs; |
4216 | } | |
4217 | ||
e59058c4 | 4218 | /** |
3621a710 | 4219 | * lpfc_reset_stats - Copy the adapter link stats information |
e59058c4 JS |
4220 | * @shost: kernel scsi host pointer. |
4221 | **/ | |
64ba8818 JS |
4222 | static void |
4223 | lpfc_reset_stats(struct Scsi_Host *shost) | |
4224 | { | |
2e0fef85 JS |
4225 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
4226 | struct lpfc_hba *phba = vport->phba; | |
4227 | struct lpfc_sli *psli = &phba->sli; | |
4228 | struct lpfc_lnk_stat *lso = &psli->lnk_stat_offsets; | |
64ba8818 JS |
4229 | LPFC_MBOXQ_t *pmboxq; |
4230 | MAILBOX_t *pmb; | |
4231 | int rc = 0; | |
4232 | ||
2e0fef85 | 4233 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) |
46fa311e JS |
4234 | return; |
4235 | ||
64ba8818 JS |
4236 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
4237 | if (!pmboxq) | |
4238 | return; | |
4239 | memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t)); | |
4240 | ||
04c68496 | 4241 | pmb = &pmboxq->u.mb; |
64ba8818 JS |
4242 | pmb->mbxCommand = MBX_READ_STATUS; |
4243 | pmb->mbxOwner = OWN_HOST; | |
4244 | pmb->un.varWords[0] = 0x1; /* reset request */ | |
4245 | pmboxq->context1 = NULL; | |
92d7f7b0 | 4246 | pmboxq->vport = vport; |
64ba8818 | 4247 | |
2e0fef85 | 4248 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
f4b4c68f | 4249 | (!(psli->sli_flag & LPFC_SLI_ACTIVE))) |
64ba8818 JS |
4250 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
4251 | else | |
4252 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); | |
4253 | ||
4254 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 4255 | if (rc != MBX_TIMEOUT) |
64ba8818 JS |
4256 | mempool_free(pmboxq, phba->mbox_mem_pool); |
4257 | return; | |
4258 | } | |
4259 | ||
4260 | memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t)); | |
4261 | pmb->mbxCommand = MBX_READ_LNK_STAT; | |
4262 | pmb->mbxOwner = OWN_HOST; | |
4263 | pmboxq->context1 = NULL; | |
92d7f7b0 | 4264 | pmboxq->vport = vport; |
64ba8818 | 4265 | |
2e0fef85 | 4266 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
f4b4c68f | 4267 | (!(psli->sli_flag & LPFC_SLI_ACTIVE))) |
64ba8818 JS |
4268 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
4269 | else | |
4270 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); | |
4271 | ||
4272 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 4273 | if (rc != MBX_TIMEOUT) |
64ba8818 JS |
4274 | mempool_free( pmboxq, phba->mbox_mem_pool); |
4275 | return; | |
4276 | } | |
4277 | ||
4278 | lso->link_failure_count = pmb->un.varRdLnk.linkFailureCnt; | |
4279 | lso->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt; | |
4280 | lso->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt; | |
4281 | lso->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt; | |
4282 | lso->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord; | |
4283 | lso->invalid_crc_count = pmb->un.varRdLnk.crcCnt; | |
4284 | lso->error_frames = pmb->un.varRdLnk.crcCnt; | |
4d9ab994 JS |
4285 | if (phba->hba_flag & HBA_FCOE_SUPPORT) |
4286 | lso->link_events = (phba->link_events >> 1); | |
4287 | else | |
4288 | lso->link_events = (phba->fc_eventTag >> 1); | |
64ba8818 JS |
4289 | |
4290 | psli->stats_start = get_seconds(); | |
4291 | ||
1dcb58e5 JS |
4292 | mempool_free(pmboxq, phba->mbox_mem_pool); |
4293 | ||
64ba8818 JS |
4294 | return; |
4295 | } | |
dea3101e JB |
4296 | |
4297 | /* | |
4298 | * The LPFC driver treats linkdown handling as target loss events so there | |
4299 | * are no sysfs handlers for link_down_tmo. | |
4300 | */ | |
685f0bf7 | 4301 | |
e59058c4 | 4302 | /** |
3621a710 | 4303 | * lpfc_get_node_by_target - Return the nodelist for a target |
e59058c4 JS |
4304 | * @starget: kernel scsi target pointer. |
4305 | * | |
4306 | * Returns: | |
4307 | * address of the node list if found | |
4308 | * NULL target not found | |
4309 | **/ | |
685f0bf7 JS |
4310 | static struct lpfc_nodelist * |
4311 | lpfc_get_node_by_target(struct scsi_target *starget) | |
dea3101e | 4312 | { |
2e0fef85 JS |
4313 | struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); |
4314 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
685f0bf7 | 4315 | struct lpfc_nodelist *ndlp; |
dea3101e JB |
4316 | |
4317 | spin_lock_irq(shost->host_lock); | |
685f0bf7 | 4318 | /* Search for this, mapped, target ID */ |
2e0fef85 | 4319 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
e47c9093 JS |
4320 | if (NLP_CHK_NODE_ACT(ndlp) && |
4321 | ndlp->nlp_state == NLP_STE_MAPPED_NODE && | |
685f0bf7 JS |
4322 | starget->id == ndlp->nlp_sid) { |
4323 | spin_unlock_irq(shost->host_lock); | |
4324 | return ndlp; | |
dea3101e JB |
4325 | } |
4326 | } | |
4327 | spin_unlock_irq(shost->host_lock); | |
685f0bf7 JS |
4328 | return NULL; |
4329 | } | |
dea3101e | 4330 | |
e59058c4 | 4331 | /** |
3621a710 | 4332 | * lpfc_get_starget_port_id - Set the target port id to the ndlp DID or -1 |
e59058c4 JS |
4333 | * @starget: kernel scsi target pointer. |
4334 | **/ | |
685f0bf7 JS |
4335 | static void |
4336 | lpfc_get_starget_port_id(struct scsi_target *starget) | |
4337 | { | |
4338 | struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); | |
4339 | ||
4340 | fc_starget_port_id(starget) = ndlp ? ndlp->nlp_DID : -1; | |
dea3101e JB |
4341 | } |
4342 | ||
e59058c4 | 4343 | /** |
3621a710 | 4344 | * lpfc_get_starget_node_name - Set the target node name |
e59058c4 JS |
4345 | * @starget: kernel scsi target pointer. |
4346 | * | |
4347 | * Description: Set the target node name to the ndlp node name wwn or zero. | |
4348 | **/ | |
dea3101e JB |
4349 | static void |
4350 | lpfc_get_starget_node_name(struct scsi_target *starget) | |
4351 | { | |
685f0bf7 | 4352 | struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); |
dea3101e | 4353 | |
685f0bf7 JS |
4354 | fc_starget_node_name(starget) = |
4355 | ndlp ? wwn_to_u64(ndlp->nlp_nodename.u.wwn) : 0; | |
dea3101e JB |
4356 | } |
4357 | ||
e59058c4 | 4358 | /** |
3621a710 | 4359 | * lpfc_get_starget_port_name - Set the target port name |
e59058c4 JS |
4360 | * @starget: kernel scsi target pointer. |
4361 | * | |
4362 | * Description: set the target port name to the ndlp port name wwn or zero. | |
4363 | **/ | |
dea3101e JB |
4364 | static void |
4365 | lpfc_get_starget_port_name(struct scsi_target *starget) | |
4366 | { | |
685f0bf7 | 4367 | struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); |
dea3101e | 4368 | |
685f0bf7 JS |
4369 | fc_starget_port_name(starget) = |
4370 | ndlp ? wwn_to_u64(ndlp->nlp_portname.u.wwn) : 0; | |
dea3101e JB |
4371 | } |
4372 | ||
143beaa8 MC |
4373 | static void |
4374 | lpfc_get_host_def_loss_tmo(struct Scsi_Host *shost) | |
4375 | { | |
4376 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
4377 | ||
4378 | fc_host_def_dev_loss_tmo(shost) = vport->cfg_devloss_tmo; | |
4379 | } | |
4380 | ||
e59058c4 | 4381 | /** |
3621a710 | 4382 | * lpfc_set_rport_loss_tmo - Set the rport dev loss tmo |
e59058c4 JS |
4383 | * @rport: fc rport address. |
4384 | * @timeout: new value for dev loss tmo. | |
4385 | * | |
4386 | * Description: | |
4387 | * If timeout is non zero set the dev_loss_tmo to timeout, else set | |
4388 | * dev_loss_tmo to one. | |
4389 | **/ | |
dea3101e JB |
4390 | static void |
4391 | lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout) | |
4392 | { | |
dea3101e | 4393 | if (timeout) |
c01f3208 | 4394 | rport->dev_loss_tmo = timeout; |
dea3101e | 4395 | else |
c01f3208 | 4396 | rport->dev_loss_tmo = 1; |
dea3101e JB |
4397 | } |
4398 | ||
e59058c4 | 4399 | /** |
3621a710 | 4400 | * lpfc_rport_show_function - Return rport target information |
e59058c4 JS |
4401 | * |
4402 | * Description: | |
4403 | * Macro that uses field to generate a function with the name lpfc_show_rport_ | |
4404 | * | |
4405 | * lpfc_show_rport_##field: returns the bytes formatted in buf | |
4406 | * @cdev: class converted to an fc_rport. | |
4407 | * @buf: on return contains the target_field or zero. | |
4408 | * | |
4409 | * Returns: size of formatted string. | |
4410 | **/ | |
dea3101e JB |
4411 | #define lpfc_rport_show_function(field, format_string, sz, cast) \ |
4412 | static ssize_t \ | |
ee959b00 TJ |
4413 | lpfc_show_rport_##field (struct device *dev, \ |
4414 | struct device_attribute *attr, \ | |
4415 | char *buf) \ | |
dea3101e | 4416 | { \ |
ee959b00 | 4417 | struct fc_rport *rport = transport_class_to_rport(dev); \ |
dea3101e JB |
4418 | struct lpfc_rport_data *rdata = rport->hostdata; \ |
4419 | return snprintf(buf, sz, format_string, \ | |
4420 | (rdata->target) ? cast rdata->target->field : 0); \ | |
4421 | } | |
4422 | ||
4423 | #define lpfc_rport_rd_attr(field, format_string, sz) \ | |
4424 | lpfc_rport_show_function(field, format_string, sz, ) \ | |
4425 | static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL) | |
4426 | ||
eada272d | 4427 | /** |
3621a710 | 4428 | * lpfc_set_vport_symbolic_name - Set the vport's symbolic name |
eada272d JS |
4429 | * @fc_vport: The fc_vport who's symbolic name has been changed. |
4430 | * | |
4431 | * Description: | |
4432 | * This function is called by the transport after the @fc_vport's symbolic name | |
4433 | * has been changed. This function re-registers the symbolic name with the | |
4434 | * switch to propogate the change into the fabric if the vport is active. | |
4435 | **/ | |
4436 | static void | |
4437 | lpfc_set_vport_symbolic_name(struct fc_vport *fc_vport) | |
4438 | { | |
4439 | struct lpfc_vport *vport = *(struct lpfc_vport **)fc_vport->dd_data; | |
4440 | ||
4441 | if (vport->port_state == LPFC_VPORT_READY) | |
4442 | lpfc_ns_cmd(vport, SLI_CTNS_RSPN_ID, 0, 0); | |
4443 | } | |
dea3101e | 4444 | |
f4b4c68f JS |
4445 | /** |
4446 | * lpfc_hba_log_verbose_init - Set hba's log verbose level | |
4447 | * @phba: Pointer to lpfc_hba struct. | |
4448 | * | |
4449 | * This function is called by the lpfc_get_cfgparam() routine to set the | |
4450 | * module lpfc_log_verbose into the @phba cfg_log_verbose for use with | |
4451 | * log messsage according to the module's lpfc_log_verbose parameter setting | |
4452 | * before hba port or vport created. | |
4453 | **/ | |
4454 | static void | |
4455 | lpfc_hba_log_verbose_init(struct lpfc_hba *phba, uint32_t verbose) | |
4456 | { | |
4457 | phba->cfg_log_verbose = verbose; | |
4458 | } | |
4459 | ||
dea3101e JB |
4460 | struct fc_function_template lpfc_transport_functions = { |
4461 | /* fixed attributes the driver supports */ | |
4462 | .show_host_node_name = 1, | |
4463 | .show_host_port_name = 1, | |
4464 | .show_host_supported_classes = 1, | |
4465 | .show_host_supported_fc4s = 1, | |
dea3101e JB |
4466 | .show_host_supported_speeds = 1, |
4467 | .show_host_maxframe_size = 1, | |
eada272d | 4468 | .show_host_symbolic_name = 1, |
dea3101e JB |
4469 | |
4470 | /* dynamic attributes the driver supports */ | |
4471 | .get_host_port_id = lpfc_get_host_port_id, | |
4472 | .show_host_port_id = 1, | |
4473 | ||
4474 | .get_host_port_type = lpfc_get_host_port_type, | |
4475 | .show_host_port_type = 1, | |
4476 | ||
4477 | .get_host_port_state = lpfc_get_host_port_state, | |
4478 | .show_host_port_state = 1, | |
4479 | ||
4480 | /* active_fc4s is shown but doesn't change (thus no get function) */ | |
4481 | .show_host_active_fc4s = 1, | |
4482 | ||
4483 | .get_host_speed = lpfc_get_host_speed, | |
4484 | .show_host_speed = 1, | |
4485 | ||
4486 | .get_host_fabric_name = lpfc_get_host_fabric_name, | |
4487 | .show_host_fabric_name = 1, | |
4488 | ||
143beaa8 | 4489 | .get_host_def_dev_loss_tmo = lpfc_get_host_def_loss_tmo, |
dea3101e JB |
4490 | /* |
4491 | * The LPFC driver treats linkdown handling as target loss events | |
4492 | * so there are no sysfs handlers for link_down_tmo. | |
4493 | */ | |
4494 | ||
4495 | .get_fc_host_stats = lpfc_get_stats, | |
64ba8818 | 4496 | .reset_fc_host_stats = lpfc_reset_stats, |
dea3101e JB |
4497 | |
4498 | .dd_fcrport_size = sizeof(struct lpfc_rport_data), | |
4499 | .show_rport_maxframe_size = 1, | |
4500 | .show_rport_supported_classes = 1, | |
4501 | ||
dea3101e JB |
4502 | .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo, |
4503 | .show_rport_dev_loss_tmo = 1, | |
4504 | ||
4505 | .get_starget_port_id = lpfc_get_starget_port_id, | |
4506 | .show_starget_port_id = 1, | |
4507 | ||
4508 | .get_starget_node_name = lpfc_get_starget_node_name, | |
4509 | .show_starget_node_name = 1, | |
4510 | ||
4511 | .get_starget_port_name = lpfc_get_starget_port_name, | |
4512 | .show_starget_port_name = 1, | |
91ca7b01 AV |
4513 | |
4514 | .issue_fc_host_lip = lpfc_issue_lip, | |
c01f3208 JS |
4515 | .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk, |
4516 | .terminate_rport_io = lpfc_terminate_rport_io, | |
92d7f7b0 | 4517 | |
92d7f7b0 | 4518 | .dd_fcvport_size = sizeof(struct lpfc_vport *), |
eada272d JS |
4519 | |
4520 | .vport_disable = lpfc_vport_disable, | |
4521 | ||
4522 | .set_vport_symbolic_name = lpfc_set_vport_symbolic_name, | |
f1c3b0fc JS |
4523 | |
4524 | .bsg_request = lpfc_bsg_request, | |
4525 | .bsg_timeout = lpfc_bsg_timeout, | |
92d7f7b0 JS |
4526 | }; |
4527 | ||
98c9ea5c JS |
4528 | struct fc_function_template lpfc_vport_transport_functions = { |
4529 | /* fixed attributes the driver supports */ | |
4530 | .show_host_node_name = 1, | |
4531 | .show_host_port_name = 1, | |
4532 | .show_host_supported_classes = 1, | |
4533 | .show_host_supported_fc4s = 1, | |
4534 | .show_host_supported_speeds = 1, | |
4535 | .show_host_maxframe_size = 1, | |
eada272d | 4536 | .show_host_symbolic_name = 1, |
98c9ea5c JS |
4537 | |
4538 | /* dynamic attributes the driver supports */ | |
4539 | .get_host_port_id = lpfc_get_host_port_id, | |
4540 | .show_host_port_id = 1, | |
4541 | ||
4542 | .get_host_port_type = lpfc_get_host_port_type, | |
4543 | .show_host_port_type = 1, | |
4544 | ||
4545 | .get_host_port_state = lpfc_get_host_port_state, | |
4546 | .show_host_port_state = 1, | |
4547 | ||
4548 | /* active_fc4s is shown but doesn't change (thus no get function) */ | |
4549 | .show_host_active_fc4s = 1, | |
4550 | ||
4551 | .get_host_speed = lpfc_get_host_speed, | |
4552 | .show_host_speed = 1, | |
4553 | ||
4554 | .get_host_fabric_name = lpfc_get_host_fabric_name, | |
4555 | .show_host_fabric_name = 1, | |
4556 | ||
143beaa8 | 4557 | .get_host_def_dev_loss_tmo = lpfc_get_host_def_loss_tmo, |
98c9ea5c JS |
4558 | /* |
4559 | * The LPFC driver treats linkdown handling as target loss events | |
4560 | * so there are no sysfs handlers for link_down_tmo. | |
4561 | */ | |
4562 | ||
4563 | .get_fc_host_stats = lpfc_get_stats, | |
4564 | .reset_fc_host_stats = lpfc_reset_stats, | |
4565 | ||
4566 | .dd_fcrport_size = sizeof(struct lpfc_rport_data), | |
4567 | .show_rport_maxframe_size = 1, | |
4568 | .show_rport_supported_classes = 1, | |
4569 | ||
4570 | .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo, | |
4571 | .show_rport_dev_loss_tmo = 1, | |
4572 | ||
4573 | .get_starget_port_id = lpfc_get_starget_port_id, | |
4574 | .show_starget_port_id = 1, | |
4575 | ||
4576 | .get_starget_node_name = lpfc_get_starget_node_name, | |
4577 | .show_starget_node_name = 1, | |
4578 | ||
4579 | .get_starget_port_name = lpfc_get_starget_port_name, | |
4580 | .show_starget_port_name = 1, | |
4581 | ||
4582 | .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk, | |
4583 | .terminate_rport_io = lpfc_terminate_rport_io, | |
4584 | ||
4585 | .vport_disable = lpfc_vport_disable, | |
eada272d JS |
4586 | |
4587 | .set_vport_symbolic_name = lpfc_set_vport_symbolic_name, | |
98c9ea5c JS |
4588 | }; |
4589 | ||
e59058c4 | 4590 | /** |
3621a710 | 4591 | * lpfc_get_cfgparam - Used during probe_one to init the adapter structure |
e59058c4 JS |
4592 | * @phba: lpfc_hba pointer. |
4593 | **/ | |
dea3101e JB |
4594 | void |
4595 | lpfc_get_cfgparam(struct lpfc_hba *phba) | |
4596 | { | |
7bcbb752 JSEC |
4597 | lpfc_cr_delay_init(phba, lpfc_cr_delay); |
4598 | lpfc_cr_count_init(phba, lpfc_cr_count); | |
cf5bf97e | 4599 | lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support); |
a4bc3379 JS |
4600 | lpfc_multi_ring_rctl_init(phba, lpfc_multi_ring_rctl); |
4601 | lpfc_multi_ring_type_init(phba, lpfc_multi_ring_type); | |
7bcbb752 JSEC |
4602 | lpfc_ack0_init(phba, lpfc_ack0); |
4603 | lpfc_topology_init(phba, lpfc_topology); | |
7bcbb752 | 4604 | lpfc_link_speed_init(phba, lpfc_link_speed); |
875fbdfe | 4605 | lpfc_poll_tmo_init(phba, lpfc_poll_tmo); |
78b2d852 | 4606 | lpfc_enable_npiv_init(phba, lpfc_enable_npiv); |
4ff43246 | 4607 | lpfc_use_msi_init(phba, lpfc_use_msi); |
da0436e9 JS |
4608 | lpfc_fcp_imax_init(phba, lpfc_fcp_imax); |
4609 | lpfc_fcp_wq_count_init(phba, lpfc_fcp_wq_count); | |
4610 | lpfc_fcp_eq_count_init(phba, lpfc_fcp_eq_count); | |
13815c83 JS |
4611 | lpfc_enable_hba_reset_init(phba, lpfc_enable_hba_reset); |
4612 | lpfc_enable_hba_heartbeat_init(phba, lpfc_enable_hba_heartbeat); | |
81301a9b | 4613 | lpfc_enable_bg_init(phba, lpfc_enable_bg); |
45ed1190 JS |
4614 | if (phba->sli_rev == LPFC_SLI_REV4) |
4615 | phba->cfg_poll = 0; | |
4616 | else | |
875fbdfe | 4617 | phba->cfg_poll = lpfc_poll; |
a12e07bc | 4618 | phba->cfg_soft_wwnn = 0L; |
c3f28afa | 4619 | phba->cfg_soft_wwpn = 0L; |
83108bd3 | 4620 | lpfc_sg_seg_cnt_init(phba, lpfc_sg_seg_cnt); |
81301a9b | 4621 | lpfc_prot_sg_seg_cnt_init(phba, lpfc_prot_sg_seg_cnt); |
7054a606 | 4622 | lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth); |
6fb120a7 | 4623 | lpfc_hba_log_verbose_init(phba, lpfc_log_verbose); |
0d878419 | 4624 | lpfc_aer_support_init(phba, lpfc_aer_support); |
84d1b006 | 4625 | lpfc_suppress_link_up_init(phba, lpfc_suppress_link_up); |
2a9bf3d0 | 4626 | lpfc_iocb_cnt_init(phba, lpfc_iocb_cnt); |
3de2a653 JS |
4627 | return; |
4628 | } | |
b28485ac | 4629 | |
e59058c4 | 4630 | /** |
3621a710 | 4631 | * lpfc_get_vport_cfgparam - Used during port create, init the vport structure |
e59058c4 JS |
4632 | * @vport: lpfc_vport pointer. |
4633 | **/ | |
3de2a653 JS |
4634 | void |
4635 | lpfc_get_vport_cfgparam(struct lpfc_vport *vport) | |
4636 | { | |
e8b62011 | 4637 | lpfc_log_verbose_init(vport, lpfc_log_verbose); |
3de2a653 | 4638 | lpfc_lun_queue_depth_init(vport, lpfc_lun_queue_depth); |
7dc517df | 4639 | lpfc_tgt_queue_depth_init(vport, lpfc_tgt_queue_depth); |
3de2a653 JS |
4640 | lpfc_devloss_tmo_init(vport, lpfc_devloss_tmo); |
4641 | lpfc_nodev_tmo_init(vport, lpfc_nodev_tmo); | |
4642 | lpfc_peer_port_login_init(vport, lpfc_peer_port_login); | |
4643 | lpfc_restrict_login_init(vport, lpfc_restrict_login); | |
4644 | lpfc_fcp_class_init(vport, lpfc_fcp_class); | |
4645 | lpfc_use_adisc_init(vport, lpfc_use_adisc); | |
977b5a0a | 4646 | lpfc_max_scsicmpl_time_init(vport, lpfc_max_scsicmpl_time); |
3de2a653 JS |
4647 | lpfc_fdmi_on_init(vport, lpfc_fdmi_on); |
4648 | lpfc_discovery_threads_init(vport, lpfc_discovery_threads); | |
4649 | lpfc_max_luns_init(vport, lpfc_max_luns); | |
4650 | lpfc_scan_down_init(vport, lpfc_scan_down); | |
7ee5d43e | 4651 | lpfc_enable_da_id_init(vport, lpfc_enable_da_id); |
dea3101e JB |
4652 | return; |
4653 | } |