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dea3101e | 1 | /******************************************************************* |
2 | * This file is part of the Emulex Linux Device Driver for * | |
c44ce173 | 3 | * Fibre Channel Host Bus Adapters. * |
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 | 8 | * * |
9 | * This program is free software; you can redistribute it and/or * | |
c44ce173 JSEC |
10 | * modify it under the terms of version 2 of the GNU General * |
11 | * Public License as published by the Free Software Foundation. * | |
12 | * This program is distributed in the hope that it will be useful. * | |
13 | * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * | |
14 | * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * | |
15 | * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * | |
16 | * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * | |
17 | * TO BE LEGALLY INVALID. See the GNU General Public License for * | |
18 | * more details, a copy of which can be found in the file COPYING * | |
19 | * included with this package. * | |
dea3101e | 20 | *******************************************************************/ |
21 | ||
dea3101e | 22 | #include <linux/ctype.h> |
46fa311e | 23 | #include <linux/delay.h> |
dea3101e | 24 | #include <linux/pci.h> |
25 | #include <linux/interrupt.h> | |
0d878419 | 26 | #include <linux/aer.h> |
5a0e3ad6 | 27 | #include <linux/gfp.h> |
dea3101e | 28 | |
91886523 | 29 | #include <scsi/scsi.h> |
dea3101e | 30 | #include <scsi/scsi_device.h> |
31 | #include <scsi/scsi_host.h> | |
32 | #include <scsi/scsi_tcq.h> | |
33 | #include <scsi/scsi_transport_fc.h> | |
6a9c52cf | 34 | #include <scsi/fc/fc_fs.h> |
dea3101e | 35 | |
da0436e9 | 36 | #include "lpfc_hw4.h" |
dea3101e | 37 | #include "lpfc_hw.h" |
38 | #include "lpfc_sli.h" | |
da0436e9 | 39 | #include "lpfc_sli4.h" |
ea2151b4 | 40 | #include "lpfc_nl.h" |
dea3101e | 41 | #include "lpfc_disc.h" |
42 | #include "lpfc_scsi.h" | |
43 | #include "lpfc.h" | |
44 | #include "lpfc_logmsg.h" | |
45 | #include "lpfc_version.h" | |
46 | #include "lpfc_compat.h" | |
47 | #include "lpfc_crtn.h" | |
92d7f7b0 | 48 | #include "lpfc_vport.h" |
dea3101e | 49 | |
c01f3208 JS |
50 | #define LPFC_DEF_DEVLOSS_TMO 30 |
51 | #define LPFC_MIN_DEVLOSS_TMO 1 | |
52 | #define LPFC_MAX_DEVLOSS_TMO 255 | |
dea3101e | 53 | |
83108bd3 JS |
54 | #define LPFC_MAX_LINK_SPEED 8 |
55 | #define LPFC_LINK_SPEED_BITMAP 0x00000117 | |
56 | #define LPFC_LINK_SPEED_STRING "0, 1, 2, 4, 8" | |
57 | ||
e59058c4 | 58 | /** |
3621a710 | 59 | * lpfc_jedec_to_ascii - Hex to ascii convertor according to JEDEC rules |
e59058c4 JS |
60 | * @incr: integer to convert. |
61 | * @hdw: ascii string holding converted integer plus a string terminator. | |
62 | * | |
63 | * Description: | |
64 | * JEDEC Joint Electron Device Engineering Council. | |
65 | * Convert a 32 bit integer composed of 8 nibbles into an 8 byte ascii | |
66 | * character string. The string is then terminated with a NULL in byte 9. | |
67 | * Hex 0-9 becomes ascii '0' to '9'. | |
68 | * Hex a-f becomes ascii '=' to 'B' capital B. | |
69 | * | |
70 | * Notes: | |
71 | * Coded for 32 bit integers only. | |
72 | **/ | |
dea3101e | 73 | static void |
74 | lpfc_jedec_to_ascii(int incr, char hdw[]) | |
75 | { | |
76 | int i, j; | |
77 | for (i = 0; i < 8; i++) { | |
78 | j = (incr & 0xf); | |
79 | if (j <= 9) | |
80 | hdw[7 - i] = 0x30 + j; | |
81 | else | |
82 | hdw[7 - i] = 0x61 + j - 10; | |
83 | incr = (incr >> 4); | |
84 | } | |
85 | hdw[8] = 0; | |
86 | return; | |
87 | } | |
88 | ||
e59058c4 | 89 | /** |
3621a710 | 90 | * lpfc_drvr_version_show - Return the Emulex driver string with version number |
e59058c4 JS |
91 | * @dev: class unused variable. |
92 | * @attr: device attribute, not used. | |
93 | * @buf: on return contains the module description text. | |
94 | * | |
95 | * Returns: size of formatted string. | |
96 | **/ | |
dea3101e | 97 | static ssize_t |
ee959b00 TJ |
98 | lpfc_drvr_version_show(struct device *dev, struct device_attribute *attr, |
99 | char *buf) | |
dea3101e | 100 | { |
101 | return snprintf(buf, PAGE_SIZE, LPFC_MODULE_DESC "\n"); | |
102 | } | |
103 | ||
45ed1190 JS |
104 | /** |
105 | * lpfc_enable_fip_show - Return the fip mode of the HBA | |
106 | * @dev: class unused variable. | |
107 | * @attr: device attribute, not used. | |
108 | * @buf: on return contains the module description text. | |
109 | * | |
110 | * Returns: size of formatted string. | |
111 | **/ | |
112 | static ssize_t | |
113 | lpfc_enable_fip_show(struct device *dev, struct device_attribute *attr, | |
114 | char *buf) | |
115 | { | |
116 | struct Scsi_Host *shost = class_to_shost(dev); | |
117 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
118 | struct lpfc_hba *phba = vport->phba; | |
119 | ||
120 | if (phba->hba_flag & HBA_FIP_SUPPORT) | |
121 | return snprintf(buf, PAGE_SIZE, "1\n"); | |
122 | else | |
123 | return snprintf(buf, PAGE_SIZE, "0\n"); | |
124 | } | |
125 | ||
81301a9b JS |
126 | static ssize_t |
127 | lpfc_bg_info_show(struct device *dev, struct device_attribute *attr, | |
128 | char *buf) | |
129 | { | |
130 | struct Scsi_Host *shost = class_to_shost(dev); | |
131 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
132 | struct lpfc_hba *phba = vport->phba; | |
133 | ||
134 | if (phba->cfg_enable_bg) | |
135 | if (phba->sli3_options & LPFC_SLI3_BG_ENABLED) | |
136 | return snprintf(buf, PAGE_SIZE, "BlockGuard Enabled\n"); | |
137 | else | |
138 | return snprintf(buf, PAGE_SIZE, | |
139 | "BlockGuard Not Supported\n"); | |
140 | else | |
141 | return snprintf(buf, PAGE_SIZE, | |
142 | "BlockGuard Disabled\n"); | |
143 | } | |
144 | ||
145 | static ssize_t | |
146 | lpfc_bg_guard_err_show(struct device *dev, struct device_attribute *attr, | |
147 | char *buf) | |
148 | { | |
149 | struct Scsi_Host *shost = class_to_shost(dev); | |
150 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
151 | struct lpfc_hba *phba = vport->phba; | |
152 | ||
87b5c328 JS |
153 | return snprintf(buf, PAGE_SIZE, "%llu\n", |
154 | (unsigned long long)phba->bg_guard_err_cnt); | |
81301a9b JS |
155 | } |
156 | ||
157 | static ssize_t | |
158 | lpfc_bg_apptag_err_show(struct device *dev, struct device_attribute *attr, | |
159 | char *buf) | |
160 | { | |
161 | struct Scsi_Host *shost = class_to_shost(dev); | |
162 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
163 | struct lpfc_hba *phba = vport->phba; | |
164 | ||
87b5c328 JS |
165 | return snprintf(buf, PAGE_SIZE, "%llu\n", |
166 | (unsigned long long)phba->bg_apptag_err_cnt); | |
81301a9b JS |
167 | } |
168 | ||
169 | static ssize_t | |
170 | lpfc_bg_reftag_err_show(struct device *dev, struct device_attribute *attr, | |
171 | char *buf) | |
172 | { | |
173 | struct Scsi_Host *shost = class_to_shost(dev); | |
174 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
175 | struct lpfc_hba *phba = vport->phba; | |
176 | ||
87b5c328 JS |
177 | return snprintf(buf, PAGE_SIZE, "%llu\n", |
178 | (unsigned long long)phba->bg_reftag_err_cnt); | |
81301a9b JS |
179 | } |
180 | ||
e59058c4 | 181 | /** |
3621a710 | 182 | * lpfc_info_show - Return some pci info about the host in ascii |
e59058c4 JS |
183 | * @dev: class converted to a Scsi_host structure. |
184 | * @attr: device attribute, not used. | |
185 | * @buf: on return contains the formatted text from lpfc_info(). | |
186 | * | |
187 | * Returns: size of formatted string. | |
188 | **/ | |
dea3101e | 189 | static ssize_t |
ee959b00 TJ |
190 | lpfc_info_show(struct device *dev, struct device_attribute *attr, |
191 | char *buf) | |
dea3101e | 192 | { |
ee959b00 | 193 | struct Scsi_Host *host = class_to_shost(dev); |
2e0fef85 | 194 | |
dea3101e | 195 | return snprintf(buf, PAGE_SIZE, "%s\n",lpfc_info(host)); |
196 | } | |
197 | ||
e59058c4 | 198 | /** |
3621a710 | 199 | * lpfc_serialnum_show - Return the hba serial number in ascii |
e59058c4 JS |
200 | * @dev: class converted to a Scsi_host structure. |
201 | * @attr: device attribute, not used. | |
202 | * @buf: on return contains the formatted text serial number. | |
203 | * | |
204 | * Returns: size of formatted string. | |
205 | **/ | |
dea3101e | 206 | static ssize_t |
ee959b00 TJ |
207 | lpfc_serialnum_show(struct device *dev, struct device_attribute *attr, |
208 | char *buf) | |
dea3101e | 209 | { |
ee959b00 | 210 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
211 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
212 | struct lpfc_hba *phba = vport->phba; | |
213 | ||
dea3101e | 214 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->SerialNumber); |
215 | } | |
216 | ||
e59058c4 | 217 | /** |
3621a710 | 218 | * lpfc_temp_sensor_show - Return the temperature sensor level |
e59058c4 JS |
219 | * @dev: class converted to a Scsi_host structure. |
220 | * @attr: device attribute, not used. | |
221 | * @buf: on return contains the formatted support level. | |
222 | * | |
223 | * Description: | |
224 | * Returns a number indicating the temperature sensor level currently | |
225 | * supported, zero or one in ascii. | |
226 | * | |
227 | * Returns: size of formatted string. | |
228 | **/ | |
57127f15 | 229 | static ssize_t |
ee959b00 TJ |
230 | lpfc_temp_sensor_show(struct device *dev, struct device_attribute *attr, |
231 | char *buf) | |
57127f15 | 232 | { |
ee959b00 | 233 | struct Scsi_Host *shost = class_to_shost(dev); |
57127f15 JS |
234 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
235 | struct lpfc_hba *phba = vport->phba; | |
236 | return snprintf(buf, PAGE_SIZE, "%d\n",phba->temp_sensor_support); | |
237 | } | |
238 | ||
e59058c4 | 239 | /** |
3621a710 | 240 | * lpfc_modeldesc_show - Return the model description of the hba |
e59058c4 JS |
241 | * @dev: class converted to a Scsi_host structure. |
242 | * @attr: device attribute, not used. | |
243 | * @buf: on return contains the scsi vpd model description. | |
244 | * | |
245 | * Returns: size of formatted string. | |
246 | **/ | |
dea3101e | 247 | static ssize_t |
ee959b00 TJ |
248 | lpfc_modeldesc_show(struct device *dev, struct device_attribute *attr, |
249 | char *buf) | |
dea3101e | 250 | { |
ee959b00 | 251 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
252 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
253 | struct lpfc_hba *phba = vport->phba; | |
254 | ||
dea3101e | 255 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelDesc); |
256 | } | |
257 | ||
e59058c4 | 258 | /** |
3621a710 | 259 | * lpfc_modelname_show - Return the model name of the hba |
e59058c4 JS |
260 | * @dev: class converted to a Scsi_host structure. |
261 | * @attr: device attribute, not used. | |
262 | * @buf: on return contains the scsi vpd model name. | |
263 | * | |
264 | * Returns: size of formatted string. | |
265 | **/ | |
dea3101e | 266 | static ssize_t |
ee959b00 TJ |
267 | lpfc_modelname_show(struct device *dev, struct device_attribute *attr, |
268 | char *buf) | |
dea3101e | 269 | { |
ee959b00 | 270 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
271 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
272 | struct lpfc_hba *phba = vport->phba; | |
273 | ||
dea3101e | 274 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelName); |
275 | } | |
276 | ||
e59058c4 | 277 | /** |
3621a710 | 278 | * lpfc_programtype_show - Return the program type of the hba |
e59058c4 JS |
279 | * @dev: class converted to a Scsi_host structure. |
280 | * @attr: device attribute, not used. | |
281 | * @buf: on return contains the scsi vpd program type. | |
282 | * | |
283 | * Returns: size of formatted string. | |
284 | **/ | |
dea3101e | 285 | static ssize_t |
ee959b00 TJ |
286 | lpfc_programtype_show(struct device *dev, struct device_attribute *attr, |
287 | char *buf) | |
dea3101e | 288 | { |
ee959b00 | 289 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
290 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
291 | struct lpfc_hba *phba = vport->phba; | |
292 | ||
dea3101e | 293 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->ProgramType); |
294 | } | |
295 | ||
84774a4d | 296 | /** |
3621a710 | 297 | * lpfc_mlomgmt_show - Return the Menlo Maintenance sli flag |
84774a4d JS |
298 | * @dev: class converted to a Scsi_host structure. |
299 | * @attr: device attribute, not used. | |
300 | * @buf: on return contains the Menlo Maintenance sli flag. | |
301 | * | |
302 | * Returns: size of formatted string. | |
303 | **/ | |
304 | static ssize_t | |
305 | lpfc_mlomgmt_show(struct device *dev, struct device_attribute *attr, char *buf) | |
306 | { | |
307 | struct Scsi_Host *shost = class_to_shost(dev); | |
308 | struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; | |
309 | struct lpfc_hba *phba = vport->phba; | |
310 | ||
311 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
312 | (phba->sli.sli_flag & LPFC_MENLO_MAINT)); | |
313 | } | |
314 | ||
e59058c4 | 315 | /** |
3621a710 | 316 | * lpfc_vportnum_show - Return the port number in ascii of the hba |
e59058c4 JS |
317 | * @dev: class converted to a Scsi_host structure. |
318 | * @attr: device attribute, not used. | |
319 | * @buf: on return contains scsi vpd program type. | |
320 | * | |
321 | * Returns: size of formatted string. | |
322 | **/ | |
dea3101e | 323 | static ssize_t |
ee959b00 TJ |
324 | lpfc_vportnum_show(struct device *dev, struct device_attribute *attr, |
325 | char *buf) | |
dea3101e | 326 | { |
ee959b00 | 327 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
328 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
329 | struct lpfc_hba *phba = vport->phba; | |
330 | ||
dea3101e | 331 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->Port); |
332 | } | |
333 | ||
e59058c4 | 334 | /** |
3621a710 | 335 | * lpfc_fwrev_show - Return the firmware rev running in the hba |
e59058c4 JS |
336 | * @dev: class converted to a Scsi_host structure. |
337 | * @attr: device attribute, not used. | |
338 | * @buf: on return contains the scsi vpd program type. | |
339 | * | |
340 | * Returns: size of formatted string. | |
341 | **/ | |
dea3101e | 342 | static ssize_t |
ee959b00 TJ |
343 | lpfc_fwrev_show(struct device *dev, struct device_attribute *attr, |
344 | char *buf) | |
dea3101e | 345 | { |
ee959b00 | 346 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
347 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
348 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 349 | char fwrev[32]; |
2e0fef85 | 350 | |
dea3101e | 351 | lpfc_decode_firmware_rev(phba, fwrev, 1); |
92d7f7b0 | 352 | return snprintf(buf, PAGE_SIZE, "%s, sli-%d\n", fwrev, phba->sli_rev); |
dea3101e | 353 | } |
354 | ||
e59058c4 | 355 | /** |
3621a710 | 356 | * lpfc_hdw_show - Return the jedec information about the hba |
e59058c4 JS |
357 | * @dev: class converted to a Scsi_host structure. |
358 | * @attr: device attribute, not used. | |
359 | * @buf: on return contains the scsi vpd program type. | |
360 | * | |
361 | * Returns: size of formatted string. | |
362 | **/ | |
dea3101e | 363 | static ssize_t |
ee959b00 | 364 | lpfc_hdw_show(struct device *dev, struct device_attribute *attr, char *buf) |
dea3101e | 365 | { |
366 | char hdw[9]; | |
ee959b00 | 367 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
368 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
369 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 370 | lpfc_vpd_t *vp = &phba->vpd; |
2e0fef85 | 371 | |
dea3101e | 372 | lpfc_jedec_to_ascii(vp->rev.biuRev, hdw); |
373 | return snprintf(buf, PAGE_SIZE, "%s\n", hdw); | |
374 | } | |
e59058c4 JS |
375 | |
376 | /** | |
3621a710 | 377 | * lpfc_option_rom_version_show - Return the adapter ROM FCode version |
e59058c4 JS |
378 | * @dev: class converted to a Scsi_host structure. |
379 | * @attr: device attribute, not used. | |
380 | * @buf: on return contains the ROM and FCode ascii strings. | |
381 | * | |
382 | * Returns: size of formatted string. | |
383 | **/ | |
dea3101e | 384 | static ssize_t |
ee959b00 TJ |
385 | lpfc_option_rom_version_show(struct device *dev, struct device_attribute *attr, |
386 | char *buf) | |
dea3101e | 387 | { |
ee959b00 | 388 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
389 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
390 | struct lpfc_hba *phba = vport->phba; | |
391 | ||
dea3101e | 392 | return snprintf(buf, PAGE_SIZE, "%s\n", phba->OptionROMVersion); |
393 | } | |
e59058c4 JS |
394 | |
395 | /** | |
3621a710 | 396 | * lpfc_state_show - Return the link state of the port |
e59058c4 JS |
397 | * @dev: class converted to a Scsi_host structure. |
398 | * @attr: device attribute, not used. | |
399 | * @buf: on return contains text describing the state of the link. | |
400 | * | |
401 | * Notes: | |
402 | * The switch statement has no default so zero will be returned. | |
403 | * | |
404 | * Returns: size of formatted string. | |
405 | **/ | |
dea3101e | 406 | static ssize_t |
bbd1ae41 HR |
407 | lpfc_link_state_show(struct device *dev, struct device_attribute *attr, |
408 | char *buf) | |
dea3101e | 409 | { |
ee959b00 | 410 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
411 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
412 | struct lpfc_hba *phba = vport->phba; | |
413 | int len = 0; | |
414 | ||
415 | switch (phba->link_state) { | |
416 | case LPFC_LINK_UNKNOWN: | |
41415862 | 417 | case LPFC_WARM_START: |
dea3101e | 418 | case LPFC_INIT_START: |
419 | case LPFC_INIT_MBX_CMDS: | |
420 | case LPFC_LINK_DOWN: | |
2e0fef85 | 421 | case LPFC_HBA_ERROR: |
a0c87cbd JS |
422 | if (phba->hba_flag & LINK_DISABLED) |
423 | len += snprintf(buf + len, PAGE_SIZE-len, | |
424 | "Link Down - User disabled\n"); | |
425 | else | |
426 | len += snprintf(buf + len, PAGE_SIZE-len, | |
427 | "Link Down\n"); | |
dea3101e | 428 | break; |
429 | case LPFC_LINK_UP: | |
dea3101e | 430 | case LPFC_CLEAR_LA: |
dea3101e | 431 | case LPFC_HBA_READY: |
a8adb832 | 432 | len += snprintf(buf + len, PAGE_SIZE-len, "Link Up - "); |
2e0fef85 JS |
433 | |
434 | switch (vport->port_state) { | |
2e0fef85 JS |
435 | case LPFC_LOCAL_CFG_LINK: |
436 | len += snprintf(buf + len, PAGE_SIZE-len, | |
92d7f7b0 | 437 | "Configuring Link\n"); |
2e0fef85 | 438 | break; |
92d7f7b0 | 439 | case LPFC_FDISC: |
2e0fef85 JS |
440 | case LPFC_FLOGI: |
441 | case LPFC_FABRIC_CFG_LINK: | |
442 | case LPFC_NS_REG: | |
443 | case LPFC_NS_QRY: | |
444 | case LPFC_BUILD_DISC_LIST: | |
445 | case LPFC_DISC_AUTH: | |
446 | len += snprintf(buf + len, PAGE_SIZE - len, | |
447 | "Discovery\n"); | |
448 | break; | |
449 | case LPFC_VPORT_READY: | |
450 | len += snprintf(buf + len, PAGE_SIZE - len, "Ready\n"); | |
451 | break; | |
452 | ||
92d7f7b0 JS |
453 | case LPFC_VPORT_FAILED: |
454 | len += snprintf(buf + len, PAGE_SIZE - len, "Failed\n"); | |
455 | break; | |
456 | ||
457 | case LPFC_VPORT_UNKNOWN: | |
2e0fef85 JS |
458 | len += snprintf(buf + len, PAGE_SIZE - len, |
459 | "Unknown\n"); | |
460 | break; | |
461 | } | |
84774a4d JS |
462 | if (phba->sli.sli_flag & LPFC_MENLO_MAINT) |
463 | len += snprintf(buf + len, PAGE_SIZE-len, | |
464 | " Menlo Maint Mode\n"); | |
465 | else if (phba->fc_topology == TOPOLOGY_LOOP) { | |
2e0fef85 | 466 | if (vport->fc_flag & FC_PUBLIC_LOOP) |
dea3101e | 467 | len += snprintf(buf + len, PAGE_SIZE-len, |
468 | " Public Loop\n"); | |
469 | else | |
470 | len += snprintf(buf + len, PAGE_SIZE-len, | |
471 | " Private Loop\n"); | |
472 | } else { | |
2e0fef85 | 473 | if (vport->fc_flag & FC_FABRIC) |
dea3101e | 474 | len += snprintf(buf + len, PAGE_SIZE-len, |
475 | " Fabric\n"); | |
476 | else | |
477 | len += snprintf(buf + len, PAGE_SIZE-len, | |
478 | " Point-2-Point\n"); | |
479 | } | |
480 | } | |
2e0fef85 | 481 | |
dea3101e | 482 | return len; |
483 | } | |
484 | ||
84d1b006 JS |
485 | /** |
486 | * lpfc_link_state_store - Transition the link_state on an HBA port | |
487 | * @dev: class device that is converted into a Scsi_host. | |
488 | * @attr: device attribute, not used. | |
489 | * @buf: one or more lpfc_polling_flags values. | |
490 | * @count: not used. | |
491 | * | |
492 | * Returns: | |
493 | * -EINVAL if the buffer is not "up" or "down" | |
494 | * return from link state change function if non-zero | |
495 | * length of the buf on success | |
496 | **/ | |
497 | static ssize_t | |
498 | lpfc_link_state_store(struct device *dev, struct device_attribute *attr, | |
499 | const char *buf, size_t count) | |
500 | { | |
501 | struct Scsi_Host *shost = class_to_shost(dev); | |
502 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
503 | struct lpfc_hba *phba = vport->phba; | |
504 | ||
505 | int status = -EINVAL; | |
506 | ||
507 | if ((strncmp(buf, "up", sizeof("up") - 1) == 0) && | |
508 | (phba->link_state == LPFC_LINK_DOWN)) | |
509 | status = phba->lpfc_hba_init_link(phba); | |
510 | else if ((strncmp(buf, "down", sizeof("down") - 1) == 0) && | |
511 | (phba->link_state >= LPFC_LINK_UP)) | |
512 | status = phba->lpfc_hba_down_link(phba); | |
513 | ||
514 | if (status == 0) | |
515 | return strlen(buf); | |
516 | else | |
517 | return status; | |
518 | } | |
519 | ||
e59058c4 | 520 | /** |
3621a710 | 521 | * lpfc_num_discovered_ports_show - Return sum of mapped and unmapped vports |
e59058c4 JS |
522 | * @dev: class device that is converted into a Scsi_host. |
523 | * @attr: device attribute, not used. | |
524 | * @buf: on return contains the sum of fc mapped and unmapped. | |
525 | * | |
526 | * Description: | |
527 | * Returns the ascii text number of the sum of the fc mapped and unmapped | |
528 | * vport counts. | |
529 | * | |
530 | * Returns: size of formatted string. | |
531 | **/ | |
dea3101e | 532 | static ssize_t |
ee959b00 TJ |
533 | lpfc_num_discovered_ports_show(struct device *dev, |
534 | struct device_attribute *attr, char *buf) | |
dea3101e | 535 | { |
ee959b00 | 536 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
537 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
538 | ||
539 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
540 | vport->fc_map_cnt + vport->fc_unmap_cnt); | |
dea3101e | 541 | } |
542 | ||
e59058c4 | 543 | /** |
3621a710 | 544 | * lpfc_issue_lip - Misnomer, name carried over from long ago |
e59058c4 JS |
545 | * @shost: Scsi_Host pointer. |
546 | * | |
547 | * Description: | |
548 | * Bring the link down gracefully then re-init the link. The firmware will | |
549 | * re-init the fiber channel interface as required. Does not issue a LIP. | |
550 | * | |
551 | * Returns: | |
552 | * -EPERM port offline or management commands are being blocked | |
553 | * -ENOMEM cannot allocate memory for the mailbox command | |
554 | * -EIO error sending the mailbox command | |
555 | * zero for success | |
556 | **/ | |
91ca7b01 | 557 | static int |
2e0fef85 | 558 | lpfc_issue_lip(struct Scsi_Host *shost) |
dea3101e | 559 | { |
2e0fef85 JS |
560 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
561 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 562 | LPFC_MBOXQ_t *pmboxq; |
563 | int mbxstatus = MBXERR_ERROR; | |
564 | ||
2e0fef85 | 565 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
83108bd3 | 566 | (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)) |
dea3101e | 567 | return -EPERM; |
568 | ||
569 | pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL); | |
570 | ||
571 | if (!pmboxq) | |
572 | return -ENOMEM; | |
573 | ||
574 | memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t)); | |
04c68496 JS |
575 | pmboxq->u.mb.mbxCommand = MBX_DOWN_LINK; |
576 | pmboxq->u.mb.mbxOwner = OWN_HOST; | |
4db621e0 | 577 | |
33ccf8d1 | 578 | mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO * 2); |
dea3101e | 579 | |
04c68496 JS |
580 | if ((mbxstatus == MBX_SUCCESS) && |
581 | (pmboxq->u.mb.mbxStatus == 0 || | |
582 | pmboxq->u.mb.mbxStatus == MBXERR_LINK_DOWN)) { | |
4db621e0 JS |
583 | memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t)); |
584 | lpfc_init_link(phba, pmboxq, phba->cfg_topology, | |
585 | phba->cfg_link_speed); | |
586 | mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, | |
587 | phba->fc_ratov * 2); | |
588 | } | |
589 | ||
5b8bd0c9 | 590 | lpfc_set_loopback_flag(phba); |
858c9f6c | 591 | if (mbxstatus != MBX_TIMEOUT) |
433c3579 | 592 | mempool_free(pmboxq, phba->mbox_mem_pool); |
dea3101e | 593 | |
594 | if (mbxstatus == MBXERR_ERROR) | |
595 | return -EIO; | |
596 | ||
91ca7b01 | 597 | return 0; |
dea3101e | 598 | } |
599 | ||
e59058c4 | 600 | /** |
3621a710 | 601 | * lpfc_do_offline - Issues a mailbox command to bring the link down |
e59058c4 JS |
602 | * @phba: lpfc_hba pointer. |
603 | * @type: LPFC_EVT_OFFLINE, LPFC_EVT_WARM_START, LPFC_EVT_KILL. | |
604 | * | |
605 | * Notes: | |
606 | * Assumes any error from lpfc_do_offline() will be negative. | |
607 | * Can wait up to 5 seconds for the port ring buffers count | |
608 | * to reach zero, prints a warning if it is not zero and continues. | |
3621a710 | 609 | * lpfc_workq_post_event() returns a non-zero return code if call fails. |
e59058c4 JS |
610 | * |
611 | * Returns: | |
612 | * -EIO error posting the event | |
613 | * zero for success | |
614 | **/ | |
40496f07 | 615 | static int |
46fa311e | 616 | lpfc_do_offline(struct lpfc_hba *phba, uint32_t type) |
40496f07 JS |
617 | { |
618 | struct completion online_compl; | |
46fa311e JS |
619 | struct lpfc_sli_ring *pring; |
620 | struct lpfc_sli *psli; | |
40496f07 | 621 | int status = 0; |
46fa311e JS |
622 | int cnt = 0; |
623 | int i; | |
40496f07 JS |
624 | |
625 | init_completion(&online_compl); | |
626 | lpfc_workq_post_event(phba, &status, &online_compl, | |
46fa311e JS |
627 | LPFC_EVT_OFFLINE_PREP); |
628 | wait_for_completion(&online_compl); | |
629 | ||
630 | if (status != 0) | |
631 | return -EIO; | |
632 | ||
633 | psli = &phba->sli; | |
634 | ||
09372820 JS |
635 | /* Wait a little for things to settle down, but not |
636 | * long enough for dev loss timeout to expire. | |
637 | */ | |
46fa311e JS |
638 | for (i = 0; i < psli->num_rings; i++) { |
639 | pring = &psli->ring[i]; | |
46fa311e JS |
640 | while (pring->txcmplq_cnt) { |
641 | msleep(10); | |
09372820 | 642 | if (cnt++ > 500) { /* 5 secs */ |
46fa311e JS |
643 | lpfc_printf_log(phba, |
644 | KERN_WARNING, LOG_INIT, | |
e8b62011 JS |
645 | "0466 Outstanding IO when " |
646 | "bringing Adapter offline\n"); | |
46fa311e JS |
647 | break; |
648 | } | |
649 | } | |
650 | } | |
651 | ||
652 | init_completion(&online_compl); | |
653 | lpfc_workq_post_event(phba, &status, &online_compl, type); | |
40496f07 JS |
654 | wait_for_completion(&online_compl); |
655 | ||
656 | if (status != 0) | |
657 | return -EIO; | |
658 | ||
46fa311e JS |
659 | return 0; |
660 | } | |
661 | ||
e59058c4 | 662 | /** |
3621a710 | 663 | * lpfc_selective_reset - Offline then onlines the port |
e59058c4 JS |
664 | * @phba: lpfc_hba pointer. |
665 | * | |
666 | * Description: | |
667 | * If the port is configured to allow a reset then the hba is brought | |
668 | * offline then online. | |
669 | * | |
670 | * Notes: | |
671 | * Assumes any error from lpfc_do_offline() will be negative. | |
672 | * | |
673 | * Returns: | |
674 | * lpfc_do_offline() return code if not zero | |
675 | * -EIO reset not configured or error posting the event | |
676 | * zero for success | |
677 | **/ | |
46fa311e JS |
678 | static int |
679 | lpfc_selective_reset(struct lpfc_hba *phba) | |
680 | { | |
681 | struct completion online_compl; | |
682 | int status = 0; | |
683 | ||
13815c83 JS |
684 | if (!phba->cfg_enable_hba_reset) |
685 | return -EIO; | |
686 | ||
46fa311e JS |
687 | status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); |
688 | ||
689 | if (status != 0) | |
690 | return status; | |
691 | ||
40496f07 JS |
692 | init_completion(&online_compl); |
693 | lpfc_workq_post_event(phba, &status, &online_compl, | |
694 | LPFC_EVT_ONLINE); | |
695 | wait_for_completion(&online_compl); | |
696 | ||
697 | if (status != 0) | |
698 | return -EIO; | |
699 | ||
700 | return 0; | |
701 | } | |
702 | ||
e59058c4 | 703 | /** |
3621a710 | 704 | * lpfc_issue_reset - Selectively resets an adapter |
e59058c4 JS |
705 | * @dev: class device that is converted into a Scsi_host. |
706 | * @attr: device attribute, not used. | |
707 | * @buf: containing the string "selective". | |
708 | * @count: unused variable. | |
709 | * | |
710 | * Description: | |
711 | * If the buf contains the string "selective" then lpfc_selective_reset() | |
712 | * is called to perform the reset. | |
713 | * | |
714 | * Notes: | |
715 | * Assumes any error from lpfc_selective_reset() will be negative. | |
716 | * If lpfc_selective_reset() returns zero then the length of the buffer | |
af901ca1 | 717 | * is returned which indicates success |
e59058c4 JS |
718 | * |
719 | * Returns: | |
720 | * -EINVAL if the buffer does not contain the string "selective" | |
721 | * length of buf if lpfc-selective_reset() if the call succeeds | |
722 | * return value of lpfc_selective_reset() if the call fails | |
723 | **/ | |
40496f07 | 724 | static ssize_t |
ee959b00 TJ |
725 | lpfc_issue_reset(struct device *dev, struct device_attribute *attr, |
726 | const char *buf, size_t count) | |
40496f07 | 727 | { |
ee959b00 | 728 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
729 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
730 | struct lpfc_hba *phba = vport->phba; | |
731 | ||
40496f07 JS |
732 | int status = -EINVAL; |
733 | ||
734 | if (strncmp(buf, "selective", sizeof("selective") - 1) == 0) | |
735 | status = lpfc_selective_reset(phba); | |
736 | ||
737 | if (status == 0) | |
738 | return strlen(buf); | |
739 | else | |
740 | return status; | |
741 | } | |
742 | ||
e59058c4 | 743 | /** |
3621a710 | 744 | * lpfc_nport_evt_cnt_show - Return the number of nport events |
e59058c4 JS |
745 | * @dev: class device that is converted into a Scsi_host. |
746 | * @attr: device attribute, not used. | |
747 | * @buf: on return contains the ascii number of nport events. | |
748 | * | |
749 | * Returns: size of formatted string. | |
750 | **/ | |
dea3101e | 751 | static ssize_t |
ee959b00 TJ |
752 | lpfc_nport_evt_cnt_show(struct device *dev, struct device_attribute *attr, |
753 | char *buf) | |
dea3101e | 754 | { |
ee959b00 | 755 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
756 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
757 | struct lpfc_hba *phba = vport->phba; | |
758 | ||
dea3101e | 759 | return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt); |
760 | } | |
761 | ||
e59058c4 | 762 | /** |
3621a710 | 763 | * lpfc_board_mode_show - Return the state of the board |
e59058c4 JS |
764 | * @dev: class device that is converted into a Scsi_host. |
765 | * @attr: device attribute, not used. | |
766 | * @buf: on return contains the state of the adapter. | |
767 | * | |
768 | * Returns: size of formatted string. | |
769 | **/ | |
41415862 | 770 | static ssize_t |
ee959b00 TJ |
771 | lpfc_board_mode_show(struct device *dev, struct device_attribute *attr, |
772 | char *buf) | |
41415862 | 773 | { |
ee959b00 | 774 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
775 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
776 | struct lpfc_hba *phba = vport->phba; | |
41415862 JW |
777 | char * state; |
778 | ||
2e0fef85 | 779 | if (phba->link_state == LPFC_HBA_ERROR) |
41415862 | 780 | state = "error"; |
2e0fef85 | 781 | else if (phba->link_state == LPFC_WARM_START) |
41415862 | 782 | state = "warm start"; |
2e0fef85 | 783 | else if (phba->link_state == LPFC_INIT_START) |
41415862 JW |
784 | state = "offline"; |
785 | else | |
786 | state = "online"; | |
787 | ||
788 | return snprintf(buf, PAGE_SIZE, "%s\n", state); | |
789 | } | |
790 | ||
e59058c4 | 791 | /** |
3621a710 | 792 | * lpfc_board_mode_store - Puts the hba in online, offline, warm or error state |
e59058c4 JS |
793 | * @dev: class device that is converted into a Scsi_host. |
794 | * @attr: device attribute, not used. | |
795 | * @buf: containing one of the strings "online", "offline", "warm" or "error". | |
796 | * @count: unused variable. | |
797 | * | |
798 | * Returns: | |
799 | * -EACCES if enable hba reset not enabled | |
800 | * -EINVAL if the buffer does not contain a valid string (see above) | |
801 | * -EIO if lpfc_workq_post_event() or lpfc_do_offline() fails | |
802 | * buf length greater than zero indicates success | |
803 | **/ | |
41415862 | 804 | static ssize_t |
ee959b00 TJ |
805 | lpfc_board_mode_store(struct device *dev, struct device_attribute *attr, |
806 | const char *buf, size_t count) | |
41415862 | 807 | { |
ee959b00 | 808 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
809 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
810 | struct lpfc_hba *phba = vport->phba; | |
41415862 JW |
811 | struct completion online_compl; |
812 | int status=0; | |
813 | ||
13815c83 JS |
814 | if (!phba->cfg_enable_hba_reset) |
815 | return -EACCES; | |
41415862 JW |
816 | init_completion(&online_compl); |
817 | ||
46fa311e | 818 | if(strncmp(buf, "online", sizeof("online") - 1) == 0) { |
41415862 JW |
819 | lpfc_workq_post_event(phba, &status, &online_compl, |
820 | LPFC_EVT_ONLINE); | |
46fa311e JS |
821 | wait_for_completion(&online_compl); |
822 | } else if (strncmp(buf, "offline", sizeof("offline") - 1) == 0) | |
823 | status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); | |
41415862 | 824 | else if (strncmp(buf, "warm", sizeof("warm") - 1) == 0) |
6a9c52cf JS |
825 | if (phba->sli_rev == LPFC_SLI_REV4) |
826 | return -EINVAL; | |
827 | else | |
828 | status = lpfc_do_offline(phba, LPFC_EVT_WARM_START); | |
46fa311e | 829 | else if (strncmp(buf, "error", sizeof("error") - 1) == 0) |
6a9c52cf JS |
830 | if (phba->sli_rev == LPFC_SLI_REV4) |
831 | return -EINVAL; | |
832 | else | |
833 | status = lpfc_do_offline(phba, LPFC_EVT_KILL); | |
41415862 JW |
834 | else |
835 | return -EINVAL; | |
836 | ||
41415862 JW |
837 | if (!status) |
838 | return strlen(buf); | |
839 | else | |
840 | return -EIO; | |
841 | } | |
842 | ||
e59058c4 | 843 | /** |
3621a710 | 844 | * lpfc_get_hba_info - Return various bits of informaton about the adapter |
e59058c4 | 845 | * @phba: pointer to the adapter structure. |
3621a710 JS |
846 | * @mxri: max xri count. |
847 | * @axri: available xri count. | |
848 | * @mrpi: max rpi count. | |
849 | * @arpi: available rpi count. | |
850 | * @mvpi: max vpi count. | |
851 | * @avpi: available vpi count. | |
e59058c4 JS |
852 | * |
853 | * Description: | |
854 | * If an integer pointer for an count is not null then the value for the | |
855 | * count is returned. | |
856 | * | |
857 | * Returns: | |
858 | * zero on error | |
859 | * one for success | |
860 | **/ | |
311464ec | 861 | static int |
858c9f6c JS |
862 | lpfc_get_hba_info(struct lpfc_hba *phba, |
863 | uint32_t *mxri, uint32_t *axri, | |
864 | uint32_t *mrpi, uint32_t *arpi, | |
865 | uint32_t *mvpi, uint32_t *avpi) | |
92d7f7b0 | 866 | { |
04c68496 JS |
867 | struct lpfc_sli *psli = &phba->sli; |
868 | struct lpfc_mbx_read_config *rd_config; | |
92d7f7b0 JS |
869 | LPFC_MBOXQ_t *pmboxq; |
870 | MAILBOX_t *pmb; | |
871 | int rc = 0; | |
872 | ||
873 | /* | |
874 | * prevent udev from issuing mailbox commands until the port is | |
875 | * configured. | |
876 | */ | |
877 | if (phba->link_state < LPFC_LINK_DOWN || | |
878 | !phba->mbox_mem_pool || | |
f4b4c68f | 879 | (phba->sli.sli_flag & LPFC_SLI_ACTIVE) == 0) |
92d7f7b0 JS |
880 | return 0; |
881 | ||
882 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) | |
883 | return 0; | |
884 | ||
885 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
886 | if (!pmboxq) | |
887 | return 0; | |
888 | memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); | |
889 | ||
04c68496 | 890 | pmb = &pmboxq->u.mb; |
92d7f7b0 JS |
891 | pmb->mbxCommand = MBX_READ_CONFIG; |
892 | pmb->mbxOwner = OWN_HOST; | |
893 | pmboxq->context1 = NULL; | |
894 | ||
895 | if ((phba->pport->fc_flag & FC_OFFLINE_MODE) || | |
f4b4c68f | 896 | (!(psli->sli_flag & LPFC_SLI_ACTIVE))) |
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; | |
919 | if (mvpi) | |
920 | *mvpi = bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config); | |
921 | if (avpi) | |
922 | *avpi = bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) - | |
923 | phba->sli4_hba.max_cfg_param.vpi_used; | |
924 | } else { | |
925 | if (mrpi) | |
926 | *mrpi = pmb->un.varRdConfig.max_rpi; | |
927 | if (arpi) | |
928 | *arpi = pmb->un.varRdConfig.avail_rpi; | |
929 | if (mxri) | |
930 | *mxri = pmb->un.varRdConfig.max_xri; | |
931 | if (axri) | |
932 | *axri = pmb->un.varRdConfig.avail_xri; | |
933 | if (mvpi) | |
934 | *mvpi = pmb->un.varRdConfig.max_vpi; | |
935 | if (avpi) | |
936 | *avpi = pmb->un.varRdConfig.avail_vpi; | |
937 | } | |
92d7f7b0 JS |
938 | |
939 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
940 | return 1; | |
941 | } | |
942 | ||
e59058c4 | 943 | /** |
3621a710 | 944 | * lpfc_max_rpi_show - Return maximum rpi |
e59058c4 JS |
945 | * @dev: class device that is converted into a Scsi_host. |
946 | * @attr: device attribute, not used. | |
947 | * @buf: on return contains the maximum rpi count in decimal or "Unknown". | |
948 | * | |
949 | * Description: | |
950 | * Calls lpfc_get_hba_info() asking for just the mrpi count. | |
951 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
952 | * to "Unknown" and the buffer length is returned, therefore the caller | |
953 | * must check for "Unknown" in the buffer to detect a failure. | |
954 | * | |
955 | * Returns: size of formatted string. | |
956 | **/ | |
92d7f7b0 | 957 | static ssize_t |
ee959b00 TJ |
958 | lpfc_max_rpi_show(struct device *dev, struct device_attribute *attr, |
959 | char *buf) | |
92d7f7b0 | 960 | { |
ee959b00 | 961 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
962 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
963 | struct lpfc_hba *phba = vport->phba; | |
964 | uint32_t cnt; | |
965 | ||
858c9f6c | 966 | if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, NULL, NULL, NULL)) |
92d7f7b0 JS |
967 | return snprintf(buf, PAGE_SIZE, "%d\n", cnt); |
968 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
969 | } | |
970 | ||
e59058c4 | 971 | /** |
3621a710 | 972 | * lpfc_used_rpi_show - Return maximum rpi minus available rpi |
e59058c4 JS |
973 | * @dev: class device that is converted into a Scsi_host. |
974 | * @attr: device attribute, not used. | |
975 | * @buf: containing the used rpi count in decimal or "Unknown". | |
976 | * | |
977 | * Description: | |
978 | * Calls lpfc_get_hba_info() asking for just the mrpi and arpi counts. | |
979 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
980 | * to "Unknown" and the buffer length is returned, therefore the caller | |
981 | * must check for "Unknown" in the buffer to detect a failure. | |
982 | * | |
983 | * Returns: size of formatted string. | |
984 | **/ | |
92d7f7b0 | 985 | static ssize_t |
ee959b00 TJ |
986 | lpfc_used_rpi_show(struct device *dev, struct device_attribute *attr, |
987 | char *buf) | |
92d7f7b0 | 988 | { |
ee959b00 | 989 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
990 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
991 | struct lpfc_hba *phba = vport->phba; | |
992 | uint32_t cnt, acnt; | |
993 | ||
858c9f6c | 994 | if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, &acnt, NULL, NULL)) |
92d7f7b0 JS |
995 | return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt)); |
996 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
997 | } | |
998 | ||
e59058c4 | 999 | /** |
3621a710 | 1000 | * lpfc_max_xri_show - Return maximum xri |
e59058c4 JS |
1001 | * @dev: class device that is converted into a Scsi_host. |
1002 | * @attr: device attribute, not used. | |
1003 | * @buf: on return contains the maximum xri count in decimal or "Unknown". | |
1004 | * | |
1005 | * Description: | |
1006 | * Calls lpfc_get_hba_info() asking for just the mrpi count. | |
1007 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
1008 | * to "Unknown" and the buffer length is returned, therefore the caller | |
1009 | * must check for "Unknown" in the buffer to detect a failure. | |
1010 | * | |
1011 | * Returns: size of formatted string. | |
1012 | **/ | |
92d7f7b0 | 1013 | static ssize_t |
ee959b00 TJ |
1014 | lpfc_max_xri_show(struct device *dev, struct device_attribute *attr, |
1015 | char *buf) | |
92d7f7b0 | 1016 | { |
ee959b00 | 1017 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
1018 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1019 | struct lpfc_hba *phba = vport->phba; | |
1020 | uint32_t cnt; | |
1021 | ||
858c9f6c | 1022 | if (lpfc_get_hba_info(phba, &cnt, NULL, NULL, NULL, NULL, NULL)) |
92d7f7b0 JS |
1023 | return snprintf(buf, PAGE_SIZE, "%d\n", cnt); |
1024 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1025 | } | |
1026 | ||
e59058c4 | 1027 | /** |
3621a710 | 1028 | * lpfc_used_xri_show - Return maximum xpi minus the available xpi |
e59058c4 JS |
1029 | * @dev: class device that is converted into a Scsi_host. |
1030 | * @attr: device attribute, not used. | |
1031 | * @buf: on return contains the used xri count in decimal or "Unknown". | |
1032 | * | |
1033 | * Description: | |
1034 | * Calls lpfc_get_hba_info() asking for just the mxri and axri counts. | |
1035 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
1036 | * to "Unknown" and the buffer length is returned, therefore the caller | |
1037 | * must check for "Unknown" in the buffer to detect a failure. | |
1038 | * | |
1039 | * Returns: size of formatted string. | |
1040 | **/ | |
92d7f7b0 | 1041 | static ssize_t |
ee959b00 TJ |
1042 | lpfc_used_xri_show(struct device *dev, struct device_attribute *attr, |
1043 | char *buf) | |
92d7f7b0 | 1044 | { |
ee959b00 | 1045 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
1046 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1047 | struct lpfc_hba *phba = vport->phba; | |
1048 | uint32_t cnt, acnt; | |
1049 | ||
858c9f6c JS |
1050 | if (lpfc_get_hba_info(phba, &cnt, &acnt, NULL, NULL, NULL, NULL)) |
1051 | return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt)); | |
1052 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1053 | } | |
1054 | ||
e59058c4 | 1055 | /** |
3621a710 | 1056 | * lpfc_max_vpi_show - Return maximum vpi |
e59058c4 JS |
1057 | * @dev: class device that is converted into a Scsi_host. |
1058 | * @attr: device attribute, not used. | |
1059 | * @buf: on return contains the maximum vpi count in decimal or "Unknown". | |
1060 | * | |
1061 | * Description: | |
1062 | * Calls lpfc_get_hba_info() asking for just the mvpi count. | |
1063 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
1064 | * to "Unknown" and the buffer length is returned, therefore the caller | |
1065 | * must check for "Unknown" in the buffer to detect a failure. | |
1066 | * | |
1067 | * Returns: size of formatted string. | |
1068 | **/ | |
858c9f6c | 1069 | static ssize_t |
ee959b00 TJ |
1070 | lpfc_max_vpi_show(struct device *dev, struct device_attribute *attr, |
1071 | char *buf) | |
858c9f6c | 1072 | { |
ee959b00 | 1073 | struct Scsi_Host *shost = class_to_shost(dev); |
858c9f6c JS |
1074 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1075 | struct lpfc_hba *phba = vport->phba; | |
1076 | uint32_t cnt; | |
1077 | ||
1078 | if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, NULL)) | |
1079 | return snprintf(buf, PAGE_SIZE, "%d\n", cnt); | |
1080 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1081 | } | |
1082 | ||
e59058c4 | 1083 | /** |
3621a710 | 1084 | * lpfc_used_vpi_show - Return maximum vpi minus the available vpi |
e59058c4 JS |
1085 | * @dev: class device that is converted into a Scsi_host. |
1086 | * @attr: device attribute, not used. | |
1087 | * @buf: on return contains the used vpi count in decimal or "Unknown". | |
1088 | * | |
1089 | * Description: | |
1090 | * Calls lpfc_get_hba_info() asking for just the mvpi and avpi counts. | |
1091 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
1092 | * to "Unknown" and the buffer length is returned, therefore the caller | |
1093 | * must check for "Unknown" in the buffer to detect a failure. | |
1094 | * | |
1095 | * Returns: size of formatted string. | |
1096 | **/ | |
858c9f6c | 1097 | static ssize_t |
ee959b00 TJ |
1098 | lpfc_used_vpi_show(struct device *dev, struct device_attribute *attr, |
1099 | char *buf) | |
858c9f6c | 1100 | { |
ee959b00 | 1101 | struct Scsi_Host *shost = class_to_shost(dev); |
858c9f6c JS |
1102 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1103 | struct lpfc_hba *phba = vport->phba; | |
1104 | uint32_t cnt, acnt; | |
1105 | ||
1106 | if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, &acnt)) | |
92d7f7b0 JS |
1107 | return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt)); |
1108 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1109 | } | |
1110 | ||
e59058c4 | 1111 | /** |
3621a710 | 1112 | * lpfc_npiv_info_show - Return text about NPIV support for the adapter |
e59058c4 JS |
1113 | * @dev: class device that is converted into a Scsi_host. |
1114 | * @attr: device attribute, not used. | |
1115 | * @buf: text that must be interpreted to determine if npiv is supported. | |
1116 | * | |
1117 | * Description: | |
1118 | * Buffer will contain text indicating npiv is not suppoerted on the port, | |
1119 | * the port is an NPIV physical port, or it is an npiv virtual port with | |
1120 | * the id of the vport. | |
1121 | * | |
1122 | * Returns: size of formatted string. | |
1123 | **/ | |
92d7f7b0 | 1124 | static ssize_t |
ee959b00 TJ |
1125 | lpfc_npiv_info_show(struct device *dev, struct device_attribute *attr, |
1126 | char *buf) | |
92d7f7b0 | 1127 | { |
ee959b00 | 1128 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
1129 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1130 | struct lpfc_hba *phba = vport->phba; | |
1131 | ||
1132 | if (!(phba->max_vpi)) | |
1133 | return snprintf(buf, PAGE_SIZE, "NPIV Not Supported\n"); | |
1134 | if (vport->port_type == LPFC_PHYSICAL_PORT) | |
1135 | return snprintf(buf, PAGE_SIZE, "NPIV Physical\n"); | |
1136 | return snprintf(buf, PAGE_SIZE, "NPIV Virtual (VPI %d)\n", vport->vpi); | |
1137 | } | |
1138 | ||
e59058c4 | 1139 | /** |
3621a710 | 1140 | * lpfc_poll_show - Return text about poll support for the adapter |
e59058c4 JS |
1141 | * @dev: class device that is converted into a Scsi_host. |
1142 | * @attr: device attribute, not used. | |
1143 | * @buf: on return contains the cfg_poll in hex. | |
1144 | * | |
1145 | * Notes: | |
1146 | * cfg_poll should be a lpfc_polling_flags type. | |
1147 | * | |
1148 | * Returns: size of formatted string. | |
1149 | **/ | |
875fbdfe | 1150 | static ssize_t |
ee959b00 TJ |
1151 | lpfc_poll_show(struct device *dev, struct device_attribute *attr, |
1152 | char *buf) | |
875fbdfe | 1153 | { |
ee959b00 | 1154 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1155 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1156 | struct lpfc_hba *phba = vport->phba; | |
875fbdfe JSEC |
1157 | |
1158 | return snprintf(buf, PAGE_SIZE, "%#x\n", phba->cfg_poll); | |
1159 | } | |
1160 | ||
e59058c4 | 1161 | /** |
3621a710 | 1162 | * lpfc_poll_store - Set the value of cfg_poll for the adapter |
e59058c4 JS |
1163 | * @dev: class device that is converted into a Scsi_host. |
1164 | * @attr: device attribute, not used. | |
1165 | * @buf: one or more lpfc_polling_flags values. | |
1166 | * @count: not used. | |
1167 | * | |
1168 | * Notes: | |
1169 | * buf contents converted to integer and checked for a valid value. | |
1170 | * | |
1171 | * Returns: | |
1172 | * -EINVAL if the buffer connot be converted or is out of range | |
1173 | * length of the buf on success | |
1174 | **/ | |
875fbdfe | 1175 | static ssize_t |
ee959b00 TJ |
1176 | lpfc_poll_store(struct device *dev, struct device_attribute *attr, |
1177 | const char *buf, size_t count) | |
875fbdfe | 1178 | { |
ee959b00 | 1179 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1180 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1181 | struct lpfc_hba *phba = vport->phba; | |
875fbdfe JSEC |
1182 | uint32_t creg_val; |
1183 | uint32_t old_val; | |
1184 | int val=0; | |
1185 | ||
1186 | if (!isdigit(buf[0])) | |
1187 | return -EINVAL; | |
1188 | ||
1189 | if (sscanf(buf, "%i", &val) != 1) | |
1190 | return -EINVAL; | |
1191 | ||
1192 | if ((val & 0x3) != val) | |
1193 | return -EINVAL; | |
1194 | ||
45ed1190 JS |
1195 | if (phba->sli_rev == LPFC_SLI_REV4) |
1196 | val = 0; | |
1197 | ||
2e0fef85 | 1198 | spin_lock_irq(&phba->hbalock); |
875fbdfe JSEC |
1199 | |
1200 | old_val = phba->cfg_poll; | |
1201 | ||
1202 | if (val & ENABLE_FCP_RING_POLLING) { | |
1203 | if ((val & DISABLE_FCP_RING_INT) && | |
1204 | !(old_val & DISABLE_FCP_RING_INT)) { | |
1205 | creg_val = readl(phba->HCregaddr); | |
1206 | creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING); | |
1207 | writel(creg_val, phba->HCregaddr); | |
1208 | readl(phba->HCregaddr); /* flush */ | |
1209 | ||
1210 | lpfc_poll_start_timer(phba); | |
1211 | } | |
1212 | } else if (val != 0x0) { | |
2e0fef85 | 1213 | spin_unlock_irq(&phba->hbalock); |
875fbdfe JSEC |
1214 | return -EINVAL; |
1215 | } | |
1216 | ||
1217 | if (!(val & DISABLE_FCP_RING_INT) && | |
1218 | (old_val & DISABLE_FCP_RING_INT)) | |
1219 | { | |
2e0fef85 | 1220 | spin_unlock_irq(&phba->hbalock); |
875fbdfe | 1221 | del_timer(&phba->fcp_poll_timer); |
2e0fef85 | 1222 | spin_lock_irq(&phba->hbalock); |
875fbdfe JSEC |
1223 | creg_val = readl(phba->HCregaddr); |
1224 | creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING); | |
1225 | writel(creg_val, phba->HCregaddr); | |
1226 | readl(phba->HCregaddr); /* flush */ | |
1227 | } | |
1228 | ||
1229 | phba->cfg_poll = val; | |
1230 | ||
2e0fef85 | 1231 | spin_unlock_irq(&phba->hbalock); |
875fbdfe JSEC |
1232 | |
1233 | return strlen(buf); | |
1234 | } | |
dea3101e | 1235 | |
e59058c4 | 1236 | /** |
3621a710 | 1237 | * lpfc_param_show - Return a cfg attribute value in decimal |
e59058c4 JS |
1238 | * |
1239 | * Description: | |
1240 | * Macro that given an attr e.g. hba_queue_depth expands | |
1241 | * into a function with the name lpfc_hba_queue_depth_show. | |
1242 | * | |
1243 | * lpfc_##attr##_show: Return the decimal value of an adapters cfg_xxx field. | |
1244 | * @dev: class device that is converted into a Scsi_host. | |
1245 | * @attr: device attribute, not used. | |
1246 | * @buf: on return contains the attribute value in decimal. | |
1247 | * | |
1248 | * Returns: size of formatted string. | |
1249 | **/ | |
dea3101e | 1250 | #define lpfc_param_show(attr) \ |
1251 | static ssize_t \ | |
ee959b00 TJ |
1252 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
1253 | char *buf) \ | |
dea3101e | 1254 | { \ |
ee959b00 | 1255 | struct Scsi_Host *shost = class_to_shost(dev);\ |
2e0fef85 JS |
1256 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
1257 | struct lpfc_hba *phba = vport->phba;\ | |
84d1b006 | 1258 | uint val = 0;\ |
7bcbb752 JSEC |
1259 | val = phba->cfg_##attr;\ |
1260 | return snprintf(buf, PAGE_SIZE, "%d\n",\ | |
1261 | phba->cfg_##attr);\ | |
1262 | } | |
1263 | ||
e59058c4 | 1264 | /** |
3621a710 | 1265 | * lpfc_param_hex_show - Return a cfg attribute value in hex |
e59058c4 JS |
1266 | * |
1267 | * Description: | |
1268 | * Macro that given an attr e.g. hba_queue_depth expands | |
1269 | * into a function with the name lpfc_hba_queue_depth_show | |
1270 | * | |
1271 | * lpfc_##attr##_show: Return the hex value of an adapters cfg_xxx field. | |
1272 | * @dev: class device that is converted into a Scsi_host. | |
1273 | * @attr: device attribute, not used. | |
3621a710 | 1274 | * @buf: on return contains the attribute value in hexadecimal. |
e59058c4 JS |
1275 | * |
1276 | * Returns: size of formatted string. | |
1277 | **/ | |
93a20f74 JSEC |
1278 | #define lpfc_param_hex_show(attr) \ |
1279 | static ssize_t \ | |
ee959b00 TJ |
1280 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
1281 | char *buf) \ | |
93a20f74 | 1282 | { \ |
ee959b00 | 1283 | struct Scsi_Host *shost = class_to_shost(dev);\ |
2e0fef85 JS |
1284 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
1285 | struct lpfc_hba *phba = vport->phba;\ | |
84d1b006 | 1286 | uint val = 0;\ |
93a20f74 JSEC |
1287 | val = phba->cfg_##attr;\ |
1288 | return snprintf(buf, PAGE_SIZE, "%#x\n",\ | |
1289 | phba->cfg_##attr);\ | |
1290 | } | |
1291 | ||
e59058c4 | 1292 | /** |
3621a710 | 1293 | * lpfc_param_init - Intializes a cfg attribute |
e59058c4 JS |
1294 | * |
1295 | * Description: | |
1296 | * Macro that given an attr e.g. hba_queue_depth expands | |
1297 | * into a function with the name lpfc_hba_queue_depth_init. The macro also | |
1298 | * takes a default argument, a minimum and maximum argument. | |
1299 | * | |
1300 | * lpfc_##attr##_init: Initializes an attribute. | |
1301 | * @phba: pointer the the adapter structure. | |
1302 | * @val: integer attribute value. | |
1303 | * | |
1304 | * Validates the min and max values then sets the adapter config field | |
1305 | * accordingly, or uses the default if out of range and prints an error message. | |
1306 | * | |
1307 | * Returns: | |
1308 | * zero on success | |
1309 | * -EINVAL if default used | |
1310 | **/ | |
7bcbb752 JSEC |
1311 | #define lpfc_param_init(attr, default, minval, maxval) \ |
1312 | static int \ | |
84d1b006 | 1313 | lpfc_##attr##_init(struct lpfc_hba *phba, uint val) \ |
7bcbb752 JSEC |
1314 | { \ |
1315 | if (val >= minval && val <= maxval) {\ | |
1316 | phba->cfg_##attr = val;\ | |
1317 | return 0;\ | |
dea3101e | 1318 | }\ |
7bcbb752 | 1319 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \ |
e8b62011 JS |
1320 | "0449 lpfc_"#attr" attribute cannot be set to %d, "\ |
1321 | "allowed range is ["#minval", "#maxval"]\n", val); \ | |
7bcbb752 JSEC |
1322 | phba->cfg_##attr = default;\ |
1323 | return -EINVAL;\ | |
dea3101e | 1324 | } |
1325 | ||
e59058c4 | 1326 | /** |
3621a710 | 1327 | * lpfc_param_set - Set a cfg attribute value |
e59058c4 JS |
1328 | * |
1329 | * Description: | |
1330 | * Macro that given an attr e.g. hba_queue_depth expands | |
1331 | * into a function with the name lpfc_hba_queue_depth_set | |
1332 | * | |
1333 | * lpfc_##attr##_set: Sets an attribute value. | |
1334 | * @phba: pointer the the adapter structure. | |
1335 | * @val: integer attribute value. | |
1336 | * | |
1337 | * Description: | |
1338 | * Validates the min and max values then sets the | |
1339 | * adapter config field if in the valid range. prints error message | |
1340 | * and does not set the parameter if invalid. | |
1341 | * | |
1342 | * Returns: | |
1343 | * zero on success | |
1344 | * -EINVAL if val is invalid | |
1345 | **/ | |
7bcbb752 JSEC |
1346 | #define lpfc_param_set(attr, default, minval, maxval) \ |
1347 | static int \ | |
84d1b006 | 1348 | lpfc_##attr##_set(struct lpfc_hba *phba, uint val) \ |
7bcbb752 JSEC |
1349 | { \ |
1350 | if (val >= minval && val <= maxval) {\ | |
1351 | phba->cfg_##attr = val;\ | |
1352 | return 0;\ | |
1353 | }\ | |
1354 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \ | |
e8b62011 JS |
1355 | "0450 lpfc_"#attr" attribute cannot be set to %d, "\ |
1356 | "allowed range is ["#minval", "#maxval"]\n", val); \ | |
7bcbb752 JSEC |
1357 | return -EINVAL;\ |
1358 | } | |
1359 | ||
e59058c4 | 1360 | /** |
3621a710 | 1361 | * lpfc_param_store - Set a vport attribute value |
e59058c4 JS |
1362 | * |
1363 | * Description: | |
1364 | * Macro that given an attr e.g. hba_queue_depth expands | |
1365 | * into a function with the name lpfc_hba_queue_depth_store. | |
1366 | * | |
1367 | * lpfc_##attr##_store: Set an sttribute value. | |
1368 | * @dev: class device that is converted into a Scsi_host. | |
1369 | * @attr: device attribute, not used. | |
1370 | * @buf: contains the attribute value in ascii. | |
1371 | * @count: not used. | |
1372 | * | |
1373 | * Description: | |
1374 | * Convert the ascii text number to an integer, then | |
1375 | * use the lpfc_##attr##_set function to set the value. | |
1376 | * | |
1377 | * Returns: | |
1378 | * -EINVAL if val is invalid or lpfc_##attr##_set() fails | |
1379 | * length of buffer upon success. | |
1380 | **/ | |
7bcbb752 | 1381 | #define lpfc_param_store(attr) \ |
dea3101e | 1382 | static ssize_t \ |
ee959b00 TJ |
1383 | lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \ |
1384 | const char *buf, size_t count) \ | |
dea3101e | 1385 | { \ |
ee959b00 | 1386 | struct Scsi_Host *shost = class_to_shost(dev);\ |
2e0fef85 JS |
1387 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
1388 | struct lpfc_hba *phba = vport->phba;\ | |
84d1b006 | 1389 | uint val = 0;\ |
93a20f74 JSEC |
1390 | if (!isdigit(buf[0]))\ |
1391 | return -EINVAL;\ | |
1392 | if (sscanf(buf, "%i", &val) != 1)\ | |
1393 | return -EINVAL;\ | |
7bcbb752 | 1394 | if (lpfc_##attr##_set(phba, val) == 0) \ |
755c0d06 | 1395 | return strlen(buf);\ |
7bcbb752 JSEC |
1396 | else \ |
1397 | return -EINVAL;\ | |
dea3101e | 1398 | } |
1399 | ||
e59058c4 | 1400 | /** |
3621a710 | 1401 | * lpfc_vport_param_show - Return decimal formatted cfg attribute value |
e59058c4 JS |
1402 | * |
1403 | * Description: | |
1404 | * Macro that given an attr e.g. hba_queue_depth expands | |
1405 | * into a function with the name lpfc_hba_queue_depth_show | |
1406 | * | |
1407 | * lpfc_##attr##_show: prints the attribute value in decimal. | |
1408 | * @dev: class device that is converted into a Scsi_host. | |
1409 | * @attr: device attribute, not used. | |
1410 | * @buf: on return contains the attribute value in decimal. | |
1411 | * | |
1412 | * Returns: length of formatted string. | |
1413 | **/ | |
3de2a653 JS |
1414 | #define lpfc_vport_param_show(attr) \ |
1415 | static ssize_t \ | |
ee959b00 TJ |
1416 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
1417 | char *buf) \ | |
3de2a653 | 1418 | { \ |
ee959b00 | 1419 | struct Scsi_Host *shost = class_to_shost(dev);\ |
3de2a653 | 1420 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
84d1b006 | 1421 | uint val = 0;\ |
3de2a653 JS |
1422 | val = vport->cfg_##attr;\ |
1423 | return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_##attr);\ | |
1424 | } | |
1425 | ||
e59058c4 | 1426 | /** |
3621a710 | 1427 | * lpfc_vport_param_hex_show - Return hex formatted attribute value |
e59058c4 JS |
1428 | * |
1429 | * Description: | |
1430 | * Macro that given an attr e.g. | |
1431 | * hba_queue_depth expands into a function with the name | |
1432 | * lpfc_hba_queue_depth_show | |
1433 | * | |
3621a710 | 1434 | * lpfc_##attr##_show: prints the attribute value in hexadecimal. |
e59058c4 JS |
1435 | * @dev: class device that is converted into a Scsi_host. |
1436 | * @attr: device attribute, not used. | |
3621a710 | 1437 | * @buf: on return contains the attribute value in hexadecimal. |
e59058c4 JS |
1438 | * |
1439 | * Returns: length of formatted string. | |
1440 | **/ | |
3de2a653 JS |
1441 | #define lpfc_vport_param_hex_show(attr) \ |
1442 | static ssize_t \ | |
ee959b00 TJ |
1443 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
1444 | char *buf) \ | |
3de2a653 | 1445 | { \ |
ee959b00 | 1446 | struct Scsi_Host *shost = class_to_shost(dev);\ |
3de2a653 | 1447 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
84d1b006 | 1448 | uint val = 0;\ |
3de2a653 JS |
1449 | val = vport->cfg_##attr;\ |
1450 | return snprintf(buf, PAGE_SIZE, "%#x\n", vport->cfg_##attr);\ | |
1451 | } | |
1452 | ||
e59058c4 | 1453 | /** |
3621a710 | 1454 | * lpfc_vport_param_init - Initialize a vport cfg attribute |
e59058c4 JS |
1455 | * |
1456 | * Description: | |
1457 | * Macro that given an attr e.g. hba_queue_depth expands | |
1458 | * into a function with the name lpfc_hba_queue_depth_init. The macro also | |
1459 | * takes a default argument, a minimum and maximum argument. | |
1460 | * | |
1461 | * lpfc_##attr##_init: validates the min and max values then sets the | |
1462 | * adapter config field accordingly, or uses the default if out of range | |
1463 | * and prints an error message. | |
1464 | * @phba: pointer the the adapter structure. | |
1465 | * @val: integer attribute value. | |
1466 | * | |
1467 | * Returns: | |
1468 | * zero on success | |
1469 | * -EINVAL if default used | |
1470 | **/ | |
3de2a653 JS |
1471 | #define lpfc_vport_param_init(attr, default, minval, maxval) \ |
1472 | static int \ | |
84d1b006 | 1473 | lpfc_##attr##_init(struct lpfc_vport *vport, uint val) \ |
3de2a653 JS |
1474 | { \ |
1475 | if (val >= minval && val <= maxval) {\ | |
1476 | vport->cfg_##attr = val;\ | |
1477 | return 0;\ | |
1478 | }\ | |
e8b62011 | 1479 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \ |
d7c255b2 | 1480 | "0423 lpfc_"#attr" attribute cannot be set to %d, "\ |
e8b62011 | 1481 | "allowed range is ["#minval", "#maxval"]\n", val); \ |
3de2a653 JS |
1482 | vport->cfg_##attr = default;\ |
1483 | return -EINVAL;\ | |
1484 | } | |
1485 | ||
e59058c4 | 1486 | /** |
3621a710 | 1487 | * lpfc_vport_param_set - Set a vport cfg attribute |
e59058c4 JS |
1488 | * |
1489 | * Description: | |
1490 | * Macro that given an attr e.g. hba_queue_depth expands | |
1491 | * into a function with the name lpfc_hba_queue_depth_set | |
1492 | * | |
1493 | * lpfc_##attr##_set: validates the min and max values then sets the | |
1494 | * adapter config field if in the valid range. prints error message | |
1495 | * and does not set the parameter if invalid. | |
1496 | * @phba: pointer the the adapter structure. | |
1497 | * @val: integer attribute value. | |
1498 | * | |
1499 | * Returns: | |
1500 | * zero on success | |
1501 | * -EINVAL if val is invalid | |
1502 | **/ | |
3de2a653 JS |
1503 | #define lpfc_vport_param_set(attr, default, minval, maxval) \ |
1504 | static int \ | |
84d1b006 | 1505 | lpfc_##attr##_set(struct lpfc_vport *vport, uint val) \ |
3de2a653 JS |
1506 | { \ |
1507 | if (val >= minval && val <= maxval) {\ | |
1508 | vport->cfg_##attr = val;\ | |
1509 | return 0;\ | |
1510 | }\ | |
e8b62011 | 1511 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \ |
d7c255b2 | 1512 | "0424 lpfc_"#attr" attribute cannot be set to %d, "\ |
e8b62011 | 1513 | "allowed range is ["#minval", "#maxval"]\n", val); \ |
3de2a653 JS |
1514 | return -EINVAL;\ |
1515 | } | |
1516 | ||
e59058c4 | 1517 | /** |
3621a710 | 1518 | * lpfc_vport_param_store - Set a vport attribute |
e59058c4 JS |
1519 | * |
1520 | * Description: | |
1521 | * Macro that given an attr e.g. hba_queue_depth | |
1522 | * expands into a function with the name lpfc_hba_queue_depth_store | |
1523 | * | |
1524 | * lpfc_##attr##_store: convert the ascii text number to an integer, then | |
1525 | * use the lpfc_##attr##_set function to set the value. | |
1526 | * @cdev: class device that is converted into a Scsi_host. | |
1527 | * @buf: contains the attribute value in decimal. | |
1528 | * @count: not used. | |
1529 | * | |
1530 | * Returns: | |
1531 | * -EINVAL if val is invalid or lpfc_##attr##_set() fails | |
1532 | * length of buffer upon success. | |
1533 | **/ | |
3de2a653 JS |
1534 | #define lpfc_vport_param_store(attr) \ |
1535 | static ssize_t \ | |
ee959b00 TJ |
1536 | lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \ |
1537 | const char *buf, size_t count) \ | |
3de2a653 | 1538 | { \ |
ee959b00 | 1539 | struct Scsi_Host *shost = class_to_shost(dev);\ |
3de2a653 | 1540 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
84d1b006 | 1541 | uint val = 0;\ |
3de2a653 JS |
1542 | if (!isdigit(buf[0]))\ |
1543 | return -EINVAL;\ | |
1544 | if (sscanf(buf, "%i", &val) != 1)\ | |
1545 | return -EINVAL;\ | |
1546 | if (lpfc_##attr##_set(vport, val) == 0) \ | |
1547 | return strlen(buf);\ | |
1548 | else \ | |
1549 | return -EINVAL;\ | |
1550 | } | |
1551 | ||
1552 | ||
7bcbb752 | 1553 | #define LPFC_ATTR(name, defval, minval, maxval, desc) \ |
84d1b006 JS |
1554 | static uint lpfc_##name = defval;\ |
1555 | module_param(lpfc_##name, uint, 0);\ | |
dea3101e | 1556 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
7bcbb752 | 1557 | lpfc_param_init(name, defval, minval, maxval) |
dea3101e | 1558 | |
1559 | #define LPFC_ATTR_R(name, defval, minval, maxval, desc) \ | |
84d1b006 JS |
1560 | static uint lpfc_##name = defval;\ |
1561 | module_param(lpfc_##name, uint, 0);\ | |
dea3101e | 1562 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1563 | lpfc_param_show(name)\ | |
7bcbb752 | 1564 | lpfc_param_init(name, defval, minval, maxval)\ |
ee959b00 | 1565 | static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
dea3101e | 1566 | |
1567 | #define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \ | |
84d1b006 JS |
1568 | static uint lpfc_##name = defval;\ |
1569 | module_param(lpfc_##name, uint, 0);\ | |
dea3101e | 1570 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1571 | lpfc_param_show(name)\ | |
7bcbb752 JSEC |
1572 | lpfc_param_init(name, defval, minval, maxval)\ |
1573 | lpfc_param_set(name, defval, minval, maxval)\ | |
1574 | lpfc_param_store(name)\ | |
ee959b00 TJ |
1575 | static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
1576 | lpfc_##name##_show, lpfc_##name##_store) | |
dea3101e | 1577 | |
93a20f74 | 1578 | #define LPFC_ATTR_HEX_R(name, defval, minval, maxval, desc) \ |
84d1b006 JS |
1579 | static uint lpfc_##name = defval;\ |
1580 | module_param(lpfc_##name, uint, 0);\ | |
93a20f74 JSEC |
1581 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1582 | lpfc_param_hex_show(name)\ | |
1583 | lpfc_param_init(name, defval, minval, maxval)\ | |
ee959b00 | 1584 | static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
93a20f74 JSEC |
1585 | |
1586 | #define LPFC_ATTR_HEX_RW(name, defval, minval, maxval, desc) \ | |
84d1b006 JS |
1587 | static uint lpfc_##name = defval;\ |
1588 | module_param(lpfc_##name, uint, 0);\ | |
93a20f74 JSEC |
1589 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1590 | lpfc_param_hex_show(name)\ | |
1591 | lpfc_param_init(name, defval, minval, maxval)\ | |
1592 | lpfc_param_set(name, defval, minval, maxval)\ | |
1593 | lpfc_param_store(name)\ | |
ee959b00 TJ |
1594 | static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
1595 | lpfc_##name##_show, lpfc_##name##_store) | |
93a20f74 | 1596 | |
3de2a653 | 1597 | #define LPFC_VPORT_ATTR(name, defval, minval, maxval, desc) \ |
84d1b006 JS |
1598 | static uint lpfc_##name = defval;\ |
1599 | module_param(lpfc_##name, uint, 0);\ | |
3de2a653 JS |
1600 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1601 | lpfc_vport_param_init(name, defval, minval, maxval) | |
1602 | ||
1603 | #define LPFC_VPORT_ATTR_R(name, defval, minval, maxval, desc) \ | |
84d1b006 JS |
1604 | static uint lpfc_##name = defval;\ |
1605 | module_param(lpfc_##name, uint, 0);\ | |
3de2a653 JS |
1606 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1607 | lpfc_vport_param_show(name)\ | |
1608 | lpfc_vport_param_init(name, defval, minval, maxval)\ | |
ee959b00 | 1609 | static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
3de2a653 JS |
1610 | |
1611 | #define LPFC_VPORT_ATTR_RW(name, defval, minval, maxval, desc) \ | |
84d1b006 JS |
1612 | static uint lpfc_##name = defval;\ |
1613 | module_param(lpfc_##name, uint, 0);\ | |
3de2a653 JS |
1614 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1615 | lpfc_vport_param_show(name)\ | |
1616 | lpfc_vport_param_init(name, defval, minval, maxval)\ | |
1617 | lpfc_vport_param_set(name, defval, minval, maxval)\ | |
1618 | lpfc_vport_param_store(name)\ | |
ee959b00 TJ |
1619 | static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
1620 | lpfc_##name##_show, lpfc_##name##_store) | |
3de2a653 JS |
1621 | |
1622 | #define LPFC_VPORT_ATTR_HEX_R(name, defval, minval, maxval, desc) \ | |
84d1b006 JS |
1623 | static uint lpfc_##name = defval;\ |
1624 | module_param(lpfc_##name, uint, 0);\ | |
3de2a653 JS |
1625 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1626 | lpfc_vport_param_hex_show(name)\ | |
1627 | lpfc_vport_param_init(name, defval, minval, maxval)\ | |
ee959b00 | 1628 | static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
3de2a653 JS |
1629 | |
1630 | #define LPFC_VPORT_ATTR_HEX_RW(name, defval, minval, maxval, desc) \ | |
84d1b006 JS |
1631 | static uint lpfc_##name = defval;\ |
1632 | module_param(lpfc_##name, uint, 0);\ | |
3de2a653 JS |
1633 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1634 | lpfc_vport_param_hex_show(name)\ | |
1635 | lpfc_vport_param_init(name, defval, minval, maxval)\ | |
1636 | lpfc_vport_param_set(name, defval, minval, maxval)\ | |
1637 | lpfc_vport_param_store(name)\ | |
ee959b00 TJ |
1638 | static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
1639 | lpfc_##name##_show, lpfc_##name##_store) | |
1640 | ||
81301a9b JS |
1641 | static DEVICE_ATTR(bg_info, S_IRUGO, lpfc_bg_info_show, NULL); |
1642 | static DEVICE_ATTR(bg_guard_err, S_IRUGO, lpfc_bg_guard_err_show, NULL); | |
1643 | static DEVICE_ATTR(bg_apptag_err, S_IRUGO, lpfc_bg_apptag_err_show, NULL); | |
1644 | static DEVICE_ATTR(bg_reftag_err, S_IRUGO, lpfc_bg_reftag_err_show, NULL); | |
ee959b00 TJ |
1645 | static DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL); |
1646 | static DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL); | |
1647 | static DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL); | |
1648 | static DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL); | |
1649 | static DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL); | |
1650 | static DEVICE_ATTR(portnum, S_IRUGO, lpfc_vportnum_show, NULL); | |
1651 | static DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL); | |
1652 | static DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL); | |
84d1b006 JS |
1653 | static DEVICE_ATTR(link_state, S_IRUGO | S_IWUSR, lpfc_link_state_show, |
1654 | lpfc_link_state_store); | |
ee959b00 TJ |
1655 | static DEVICE_ATTR(option_rom_version, S_IRUGO, |
1656 | lpfc_option_rom_version_show, NULL); | |
1657 | static DEVICE_ATTR(num_discovered_ports, S_IRUGO, | |
1658 | lpfc_num_discovered_ports_show, NULL); | |
84774a4d | 1659 | static DEVICE_ATTR(menlo_mgmt_mode, S_IRUGO, lpfc_mlomgmt_show, NULL); |
ee959b00 TJ |
1660 | static DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL); |
1661 | static DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show, NULL); | |
45ed1190 | 1662 | static DEVICE_ATTR(lpfc_enable_fip, S_IRUGO, lpfc_enable_fip_show, NULL); |
ee959b00 TJ |
1663 | static DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR, |
1664 | lpfc_board_mode_show, lpfc_board_mode_store); | |
1665 | static DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset); | |
1666 | static DEVICE_ATTR(max_vpi, S_IRUGO, lpfc_max_vpi_show, NULL); | |
1667 | static DEVICE_ATTR(used_vpi, S_IRUGO, lpfc_used_vpi_show, NULL); | |
1668 | static DEVICE_ATTR(max_rpi, S_IRUGO, lpfc_max_rpi_show, NULL); | |
1669 | static DEVICE_ATTR(used_rpi, S_IRUGO, lpfc_used_rpi_show, NULL); | |
1670 | static DEVICE_ATTR(max_xri, S_IRUGO, lpfc_max_xri_show, NULL); | |
1671 | static DEVICE_ATTR(used_xri, S_IRUGO, lpfc_used_xri_show, NULL); | |
1672 | static DEVICE_ATTR(npiv_info, S_IRUGO, lpfc_npiv_info_show, NULL); | |
1673 | static DEVICE_ATTR(lpfc_temp_sensor, S_IRUGO, lpfc_temp_sensor_show, NULL); | |
dea3101e | 1674 | |
c3f28afa | 1675 | |
a12e07bc | 1676 | static char *lpfc_soft_wwn_key = "C99G71SL8032A"; |
c3f28afa | 1677 | |
e59058c4 | 1678 | /** |
3621a710 | 1679 | * lpfc_soft_wwn_enable_store - Allows setting of the wwn if the key is valid |
e59058c4 JS |
1680 | * @dev: class device that is converted into a Scsi_host. |
1681 | * @attr: device attribute, not used. | |
1682 | * @buf: containing the string lpfc_soft_wwn_key. | |
1683 | * @count: must be size of lpfc_soft_wwn_key. | |
1684 | * | |
1685 | * Returns: | |
1686 | * -EINVAL if the buffer does not contain lpfc_soft_wwn_key | |
1687 | * length of buf indicates success | |
1688 | **/ | |
c3f28afa | 1689 | static ssize_t |
ee959b00 TJ |
1690 | lpfc_soft_wwn_enable_store(struct device *dev, struct device_attribute *attr, |
1691 | const char *buf, size_t count) | |
c3f28afa | 1692 | { |
ee959b00 | 1693 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1694 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1695 | struct lpfc_hba *phba = vport->phba; | |
c3f28afa JS |
1696 | unsigned int cnt = count; |
1697 | ||
1698 | /* | |
1699 | * We're doing a simple sanity check for soft_wwpn setting. | |
1700 | * We require that the user write a specific key to enable | |
1701 | * the soft_wwpn attribute to be settable. Once the attribute | |
1702 | * is written, the enable key resets. If further updates are | |
1703 | * desired, the key must be written again to re-enable the | |
1704 | * attribute. | |
1705 | * | |
1706 | * The "key" is not secret - it is a hardcoded string shown | |
1707 | * here. The intent is to protect against the random user or | |
1708 | * application that is just writing attributes. | |
1709 | */ | |
1710 | ||
1711 | /* count may include a LF at end of string */ | |
1712 | if (buf[cnt-1] == '\n') | |
1713 | cnt--; | |
1714 | ||
a12e07bc JS |
1715 | if ((cnt != strlen(lpfc_soft_wwn_key)) || |
1716 | (strncmp(buf, lpfc_soft_wwn_key, strlen(lpfc_soft_wwn_key)) != 0)) | |
c3f28afa JS |
1717 | return -EINVAL; |
1718 | ||
a12e07bc | 1719 | phba->soft_wwn_enable = 1; |
c3f28afa JS |
1720 | return count; |
1721 | } | |
ee959b00 TJ |
1722 | static DEVICE_ATTR(lpfc_soft_wwn_enable, S_IWUSR, NULL, |
1723 | lpfc_soft_wwn_enable_store); | |
c3f28afa | 1724 | |
e59058c4 | 1725 | /** |
3621a710 | 1726 | * lpfc_soft_wwpn_show - Return the cfg soft ww port name of the adapter |
e59058c4 JS |
1727 | * @dev: class device that is converted into a Scsi_host. |
1728 | * @attr: device attribute, not used. | |
3621a710 | 1729 | * @buf: on return contains the wwpn in hexadecimal. |
e59058c4 JS |
1730 | * |
1731 | * Returns: size of formatted string. | |
1732 | **/ | |
c3f28afa | 1733 | static ssize_t |
ee959b00 TJ |
1734 | lpfc_soft_wwpn_show(struct device *dev, struct device_attribute *attr, |
1735 | char *buf) | |
c3f28afa | 1736 | { |
ee959b00 | 1737 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1738 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1739 | struct lpfc_hba *phba = vport->phba; | |
1740 | ||
afc071e6 RD |
1741 | return snprintf(buf, PAGE_SIZE, "0x%llx\n", |
1742 | (unsigned long long)phba->cfg_soft_wwpn); | |
c3f28afa JS |
1743 | } |
1744 | ||
e59058c4 | 1745 | /** |
3621a710 | 1746 | * lpfc_soft_wwpn_store - Set the ww port name of the adapter |
e59058c4 JS |
1747 | * @dev class device that is converted into a Scsi_host. |
1748 | * @attr: device attribute, not used. | |
3621a710 | 1749 | * @buf: contains the wwpn in hexadecimal. |
e59058c4 JS |
1750 | * @count: number of wwpn bytes in buf |
1751 | * | |
1752 | * Returns: | |
1753 | * -EACCES hba reset not enabled, adapter over temp | |
1754 | * -EINVAL soft wwn not enabled, count is invalid, invalid wwpn byte invalid | |
1755 | * -EIO error taking adapter offline or online | |
1756 | * value of count on success | |
1757 | **/ | |
c3f28afa | 1758 | static ssize_t |
ee959b00 TJ |
1759 | lpfc_soft_wwpn_store(struct device *dev, struct device_attribute *attr, |
1760 | const char *buf, size_t count) | |
c3f28afa | 1761 | { |
ee959b00 | 1762 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1763 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1764 | struct lpfc_hba *phba = vport->phba; | |
c3f28afa JS |
1765 | struct completion online_compl; |
1766 | int stat1=0, stat2=0; | |
1767 | unsigned int i, j, cnt=count; | |
1768 | u8 wwpn[8]; | |
1769 | ||
13815c83 JS |
1770 | if (!phba->cfg_enable_hba_reset) |
1771 | return -EACCES; | |
7af67051 JS |
1772 | spin_lock_irq(&phba->hbalock); |
1773 | if (phba->over_temp_state == HBA_OVER_TEMP) { | |
1774 | spin_unlock_irq(&phba->hbalock); | |
09372820 | 1775 | return -EACCES; |
7af67051 JS |
1776 | } |
1777 | spin_unlock_irq(&phba->hbalock); | |
c3f28afa JS |
1778 | /* count may include a LF at end of string */ |
1779 | if (buf[cnt-1] == '\n') | |
1780 | cnt--; | |
1781 | ||
a12e07bc | 1782 | if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) || |
c3f28afa JS |
1783 | ((cnt == 17) && (*buf++ != 'x')) || |
1784 | ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x')))) | |
1785 | return -EINVAL; | |
1786 | ||
a12e07bc | 1787 | phba->soft_wwn_enable = 0; |
c3f28afa JS |
1788 | |
1789 | memset(wwpn, 0, sizeof(wwpn)); | |
1790 | ||
1791 | /* Validate and store the new name */ | |
1792 | for (i=0, j=0; i < 16; i++) { | |
1793 | if ((*buf >= 'a') && (*buf <= 'f')) | |
1794 | j = ((j << 4) | ((*buf++ -'a') + 10)); | |
1795 | else if ((*buf >= 'A') && (*buf <= 'F')) | |
1796 | j = ((j << 4) | ((*buf++ -'A') + 10)); | |
1797 | else if ((*buf >= '0') && (*buf <= '9')) | |
1798 | j = ((j << 4) | (*buf++ -'0')); | |
1799 | else | |
1800 | return -EINVAL; | |
1801 | if (i % 2) { | |
1802 | wwpn[i/2] = j & 0xff; | |
1803 | j = 0; | |
1804 | } | |
1805 | } | |
1806 | phba->cfg_soft_wwpn = wwn_to_u64(wwpn); | |
2e0fef85 | 1807 | fc_host_port_name(shost) = phba->cfg_soft_wwpn; |
a12e07bc | 1808 | if (phba->cfg_soft_wwnn) |
2e0fef85 | 1809 | fc_host_node_name(shost) = phba->cfg_soft_wwnn; |
c3f28afa JS |
1810 | |
1811 | dev_printk(KERN_NOTICE, &phba->pcidev->dev, | |
1812 | "lpfc%d: Reinitializing to use soft_wwpn\n", phba->brd_no); | |
1813 | ||
46fa311e | 1814 | stat1 = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); |
c3f28afa JS |
1815 | if (stat1) |
1816 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
e8b62011 JS |
1817 | "0463 lpfc_soft_wwpn attribute set failed to " |
1818 | "reinit adapter - %d\n", stat1); | |
c3f28afa JS |
1819 | init_completion(&online_compl); |
1820 | lpfc_workq_post_event(phba, &stat2, &online_compl, LPFC_EVT_ONLINE); | |
1821 | wait_for_completion(&online_compl); | |
1822 | if (stat2) | |
1823 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
e8b62011 JS |
1824 | "0464 lpfc_soft_wwpn attribute set failed to " |
1825 | "reinit adapter - %d\n", stat2); | |
c3f28afa JS |
1826 | return (stat1 || stat2) ? -EIO : count; |
1827 | } | |
ee959b00 TJ |
1828 | static DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR,\ |
1829 | lpfc_soft_wwpn_show, lpfc_soft_wwpn_store); | |
c3f28afa | 1830 | |
e59058c4 | 1831 | /** |
3621a710 | 1832 | * lpfc_soft_wwnn_show - Return the cfg soft ww node name for the adapter |
e59058c4 JS |
1833 | * @dev: class device that is converted into a Scsi_host. |
1834 | * @attr: device attribute, not used. | |
3621a710 | 1835 | * @buf: on return contains the wwnn in hexadecimal. |
e59058c4 JS |
1836 | * |
1837 | * Returns: size of formatted string. | |
1838 | **/ | |
a12e07bc | 1839 | static ssize_t |
ee959b00 TJ |
1840 | lpfc_soft_wwnn_show(struct device *dev, struct device_attribute *attr, |
1841 | char *buf) | |
a12e07bc | 1842 | { |
ee959b00 | 1843 | struct Scsi_Host *shost = class_to_shost(dev); |
51ef4c26 | 1844 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; |
a12e07bc JS |
1845 | return snprintf(buf, PAGE_SIZE, "0x%llx\n", |
1846 | (unsigned long long)phba->cfg_soft_wwnn); | |
1847 | } | |
1848 | ||
e59058c4 | 1849 | /** |
3621a710 | 1850 | * lpfc_soft_wwnn_store - sets the ww node name of the adapter |
e59058c4 | 1851 | * @cdev: class device that is converted into a Scsi_host. |
3621a710 | 1852 | * @buf: contains the ww node name in hexadecimal. |
e59058c4 JS |
1853 | * @count: number of wwnn bytes in buf. |
1854 | * | |
1855 | * Returns: | |
1856 | * -EINVAL soft wwn not enabled, count is invalid, invalid wwnn byte invalid | |
1857 | * value of count on success | |
1858 | **/ | |
a12e07bc | 1859 | static ssize_t |
ee959b00 TJ |
1860 | lpfc_soft_wwnn_store(struct device *dev, struct device_attribute *attr, |
1861 | const char *buf, size_t count) | |
a12e07bc | 1862 | { |
ee959b00 | 1863 | struct Scsi_Host *shost = class_to_shost(dev); |
51ef4c26 | 1864 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; |
a12e07bc JS |
1865 | unsigned int i, j, cnt=count; |
1866 | u8 wwnn[8]; | |
1867 | ||
1868 | /* count may include a LF at end of string */ | |
1869 | if (buf[cnt-1] == '\n') | |
1870 | cnt--; | |
1871 | ||
1872 | if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) || | |
1873 | ((cnt == 17) && (*buf++ != 'x')) || | |
1874 | ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x')))) | |
1875 | return -EINVAL; | |
1876 | ||
1877 | /* | |
1878 | * Allow wwnn to be set many times, as long as the enable is set. | |
1879 | * However, once the wwpn is set, everything locks. | |
1880 | */ | |
1881 | ||
1882 | memset(wwnn, 0, sizeof(wwnn)); | |
1883 | ||
1884 | /* Validate and store the new name */ | |
1885 | for (i=0, j=0; i < 16; i++) { | |
1886 | if ((*buf >= 'a') && (*buf <= 'f')) | |
1887 | j = ((j << 4) | ((*buf++ -'a') + 10)); | |
1888 | else if ((*buf >= 'A') && (*buf <= 'F')) | |
1889 | j = ((j << 4) | ((*buf++ -'A') + 10)); | |
1890 | else if ((*buf >= '0') && (*buf <= '9')) | |
1891 | j = ((j << 4) | (*buf++ -'0')); | |
1892 | else | |
1893 | return -EINVAL; | |
1894 | if (i % 2) { | |
1895 | wwnn[i/2] = j & 0xff; | |
1896 | j = 0; | |
1897 | } | |
1898 | } | |
1899 | phba->cfg_soft_wwnn = wwn_to_u64(wwnn); | |
1900 | ||
1901 | dev_printk(KERN_NOTICE, &phba->pcidev->dev, | |
1902 | "lpfc%d: soft_wwnn set. Value will take effect upon " | |
1903 | "setting of the soft_wwpn\n", phba->brd_no); | |
1904 | ||
1905 | return count; | |
1906 | } | |
ee959b00 TJ |
1907 | static DEVICE_ATTR(lpfc_soft_wwnn, S_IRUGO | S_IWUSR,\ |
1908 | lpfc_soft_wwnn_show, lpfc_soft_wwnn_store); | |
a12e07bc | 1909 | |
c3f28afa | 1910 | |
875fbdfe JSEC |
1911 | static int lpfc_poll = 0; |
1912 | module_param(lpfc_poll, int, 0); | |
1913 | MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:" | |
1914 | " 0 - none," | |
1915 | " 1 - poll with interrupts enabled" | |
1916 | " 3 - poll and disable FCP ring interrupts"); | |
1917 | ||
ee959b00 TJ |
1918 | static DEVICE_ATTR(lpfc_poll, S_IRUGO | S_IWUSR, |
1919 | lpfc_poll_show, lpfc_poll_store); | |
dea3101e | 1920 | |
92d7f7b0 JS |
1921 | int lpfc_sli_mode = 0; |
1922 | module_param(lpfc_sli_mode, int, 0); | |
1923 | MODULE_PARM_DESC(lpfc_sli_mode, "SLI mode selector:" | |
1924 | " 0 - auto (SLI-3 if supported)," | |
1925 | " 2 - select SLI-2 even on SLI-3 capable HBAs," | |
1926 | " 3 - select SLI-3"); | |
1927 | ||
7ee5d43e JS |
1928 | int lpfc_enable_npiv = 0; |
1929 | module_param(lpfc_enable_npiv, int, 0); | |
1930 | MODULE_PARM_DESC(lpfc_enable_npiv, "Enable NPIV functionality"); | |
1931 | lpfc_param_show(enable_npiv); | |
1932 | lpfc_param_init(enable_npiv, 0, 0, 1); | |
ee959b00 | 1933 | static DEVICE_ATTR(lpfc_enable_npiv, S_IRUGO, |
7ee5d43e | 1934 | lpfc_enable_npiv_show, NULL); |
92d7f7b0 | 1935 | |
84d1b006 JS |
1936 | /* |
1937 | # lpfc_suppress_link_up: Bring link up at initialization | |
1938 | # 0x0 = bring link up (issue MBX_INIT_LINK) | |
1939 | # 0x1 = do NOT bring link up at initialization(MBX_INIT_LINK) | |
1940 | # 0x2 = never bring up link | |
1941 | # Default value is 0. | |
1942 | */ | |
e40a02c1 JS |
1943 | LPFC_ATTR_R(suppress_link_up, LPFC_INITIALIZE_LINK, LPFC_INITIALIZE_LINK, |
1944 | LPFC_DELAY_INIT_LINK_INDEFINITELY, | |
1945 | "Suppress Link Up at initialization"); | |
84d1b006 | 1946 | |
c01f3208 JS |
1947 | /* |
1948 | # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear | |
1949 | # until the timer expires. Value range is [0,255]. Default value is 30. | |
1950 | */ | |
1951 | static int lpfc_nodev_tmo = LPFC_DEF_DEVLOSS_TMO; | |
1952 | static int lpfc_devloss_tmo = LPFC_DEF_DEVLOSS_TMO; | |
1953 | module_param(lpfc_nodev_tmo, int, 0); | |
1954 | MODULE_PARM_DESC(lpfc_nodev_tmo, | |
1955 | "Seconds driver will hold I/O waiting " | |
1956 | "for a device to come back"); | |
e59058c4 JS |
1957 | |
1958 | /** | |
3621a710 | 1959 | * lpfc_nodev_tmo_show - Return the hba dev loss timeout value |
e59058c4 JS |
1960 | * @dev: class converted to a Scsi_host structure. |
1961 | * @attr: device attribute, not used. | |
1962 | * @buf: on return contains the dev loss timeout in decimal. | |
1963 | * | |
1964 | * Returns: size of formatted string. | |
1965 | **/ | |
c01f3208 | 1966 | static ssize_t |
ee959b00 TJ |
1967 | lpfc_nodev_tmo_show(struct device *dev, struct device_attribute *attr, |
1968 | char *buf) | |
c01f3208 | 1969 | { |
ee959b00 | 1970 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 | 1971 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
e40a02c1 | 1972 | |
3de2a653 | 1973 | return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_devloss_tmo); |
c01f3208 JS |
1974 | } |
1975 | ||
e59058c4 | 1976 | /** |
3621a710 | 1977 | * lpfc_nodev_tmo_init - Set the hba nodev timeout value |
e59058c4 JS |
1978 | * @vport: lpfc vport structure pointer. |
1979 | * @val: contains the nodev timeout value. | |
1980 | * | |
1981 | * Description: | |
1982 | * If the devloss tmo is already set then nodev tmo is set to devloss tmo, | |
1983 | * a kernel error message is printed and zero is returned. | |
1984 | * Else if val is in range then nodev tmo and devloss tmo are set to val. | |
1985 | * Otherwise nodev tmo is set to the default value. | |
1986 | * | |
1987 | * Returns: | |
1988 | * zero if already set or if val is in range | |
1989 | * -EINVAL val out of range | |
1990 | **/ | |
c01f3208 | 1991 | static int |
3de2a653 JS |
1992 | lpfc_nodev_tmo_init(struct lpfc_vport *vport, int val) |
1993 | { | |
1994 | if (vport->cfg_devloss_tmo != LPFC_DEF_DEVLOSS_TMO) { | |
1995 | vport->cfg_nodev_tmo = vport->cfg_devloss_tmo; | |
1996 | if (val != LPFC_DEF_DEVLOSS_TMO) | |
e8b62011 | 1997 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 1998 | "0407 Ignoring nodev_tmo module " |
e8b62011 JS |
1999 | "parameter because devloss_tmo is " |
2000 | "set.\n"); | |
c01f3208 JS |
2001 | return 0; |
2002 | } | |
2003 | ||
2004 | if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { | |
3de2a653 JS |
2005 | vport->cfg_nodev_tmo = val; |
2006 | vport->cfg_devloss_tmo = val; | |
c01f3208 JS |
2007 | return 0; |
2008 | } | |
e8b62011 JS |
2009 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
2010 | "0400 lpfc_nodev_tmo attribute cannot be set to" | |
2011 | " %d, allowed range is [%d, %d]\n", | |
2012 | val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO); | |
3de2a653 | 2013 | vport->cfg_nodev_tmo = LPFC_DEF_DEVLOSS_TMO; |
c01f3208 JS |
2014 | return -EINVAL; |
2015 | } | |
2016 | ||
e59058c4 | 2017 | /** |
3621a710 | 2018 | * lpfc_update_rport_devloss_tmo - Update dev loss tmo value |
e59058c4 JS |
2019 | * @vport: lpfc vport structure pointer. |
2020 | * | |
2021 | * Description: | |
2022 | * Update all the ndlp's dev loss tmo with the vport devloss tmo value. | |
2023 | **/ | |
7054a606 | 2024 | static void |
3de2a653 | 2025 | lpfc_update_rport_devloss_tmo(struct lpfc_vport *vport) |
7054a606 | 2026 | { |
858c9f6c | 2027 | struct Scsi_Host *shost; |
7054a606 JS |
2028 | struct lpfc_nodelist *ndlp; |
2029 | ||
51ef4c26 JS |
2030 | shost = lpfc_shost_from_vport(vport); |
2031 | spin_lock_irq(shost->host_lock); | |
2032 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) | |
e47c9093 | 2033 | if (NLP_CHK_NODE_ACT(ndlp) && ndlp->rport) |
51ef4c26 JS |
2034 | ndlp->rport->dev_loss_tmo = vport->cfg_devloss_tmo; |
2035 | spin_unlock_irq(shost->host_lock); | |
7054a606 JS |
2036 | } |
2037 | ||
e59058c4 | 2038 | /** |
3621a710 | 2039 | * lpfc_nodev_tmo_set - Set the vport nodev tmo and devloss tmo values |
e59058c4 JS |
2040 | * @vport: lpfc vport structure pointer. |
2041 | * @val: contains the tmo value. | |
2042 | * | |
2043 | * Description: | |
2044 | * If the devloss tmo is already set or the vport dev loss tmo has changed | |
2045 | * then a kernel error message is printed and zero is returned. | |
2046 | * Else if val is in range then nodev tmo and devloss tmo are set to val. | |
2047 | * Otherwise nodev tmo is set to the default value. | |
2048 | * | |
2049 | * Returns: | |
2050 | * zero if already set or if val is in range | |
2051 | * -EINVAL val out of range | |
2052 | **/ | |
c01f3208 | 2053 | static int |
3de2a653 | 2054 | lpfc_nodev_tmo_set(struct lpfc_vport *vport, int val) |
c01f3208 | 2055 | { |
3de2a653 JS |
2056 | if (vport->dev_loss_tmo_changed || |
2057 | (lpfc_devloss_tmo != LPFC_DEF_DEVLOSS_TMO)) { | |
e8b62011 JS |
2058 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
2059 | "0401 Ignoring change to nodev_tmo " | |
2060 | "because devloss_tmo is set.\n"); | |
c01f3208 JS |
2061 | return 0; |
2062 | } | |
c01f3208 | 2063 | if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { |
3de2a653 JS |
2064 | vport->cfg_nodev_tmo = val; |
2065 | vport->cfg_devloss_tmo = val; | |
2066 | lpfc_update_rport_devloss_tmo(vport); | |
c01f3208 JS |
2067 | return 0; |
2068 | } | |
e8b62011 JS |
2069 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
2070 | "0403 lpfc_nodev_tmo attribute cannot be set to" | |
2071 | "%d, allowed range is [%d, %d]\n", | |
2072 | val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO); | |
c01f3208 JS |
2073 | return -EINVAL; |
2074 | } | |
2075 | ||
3de2a653 | 2076 | lpfc_vport_param_store(nodev_tmo) |
c01f3208 | 2077 | |
ee959b00 TJ |
2078 | static DEVICE_ATTR(lpfc_nodev_tmo, S_IRUGO | S_IWUSR, |
2079 | lpfc_nodev_tmo_show, lpfc_nodev_tmo_store); | |
c01f3208 JS |
2080 | |
2081 | /* | |
2082 | # lpfc_devloss_tmo: If set, it will hold all I/O errors on devices that | |
2083 | # disappear until the timer expires. Value range is [0,255]. Default | |
2084 | # value is 30. | |
2085 | */ | |
2086 | module_param(lpfc_devloss_tmo, int, 0); | |
2087 | MODULE_PARM_DESC(lpfc_devloss_tmo, | |
2088 | "Seconds driver will hold I/O waiting " | |
2089 | "for a device to come back"); | |
3de2a653 JS |
2090 | lpfc_vport_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO, |
2091 | LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO) | |
2092 | lpfc_vport_param_show(devloss_tmo) | |
e59058c4 JS |
2093 | |
2094 | /** | |
3621a710 | 2095 | * lpfc_devloss_tmo_set - Sets vport nodev tmo, devloss tmo values, changed bit |
e59058c4 JS |
2096 | * @vport: lpfc vport structure pointer. |
2097 | * @val: contains the tmo value. | |
2098 | * | |
2099 | * Description: | |
2100 | * If val is in a valid range then set the vport nodev tmo, | |
2101 | * devloss tmo, also set the vport dev loss tmo changed flag. | |
2102 | * Else a kernel error message is printed. | |
2103 | * | |
2104 | * Returns: | |
2105 | * zero if val is in range | |
2106 | * -EINVAL val out of range | |
2107 | **/ | |
c01f3208 | 2108 | static int |
3de2a653 | 2109 | lpfc_devloss_tmo_set(struct lpfc_vport *vport, int val) |
c01f3208 JS |
2110 | { |
2111 | if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { | |
3de2a653 JS |
2112 | vport->cfg_nodev_tmo = val; |
2113 | vport->cfg_devloss_tmo = val; | |
2114 | vport->dev_loss_tmo_changed = 1; | |
2115 | lpfc_update_rport_devloss_tmo(vport); | |
c01f3208 JS |
2116 | return 0; |
2117 | } | |
2118 | ||
e8b62011 JS |
2119 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
2120 | "0404 lpfc_devloss_tmo attribute cannot be set to" | |
2121 | " %d, allowed range is [%d, %d]\n", | |
2122 | val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO); | |
c01f3208 JS |
2123 | return -EINVAL; |
2124 | } | |
2125 | ||
3de2a653 | 2126 | lpfc_vport_param_store(devloss_tmo) |
ee959b00 TJ |
2127 | static DEVICE_ATTR(lpfc_devloss_tmo, S_IRUGO | S_IWUSR, |
2128 | lpfc_devloss_tmo_show, lpfc_devloss_tmo_store); | |
c01f3208 | 2129 | |
dea3101e | 2130 | /* |
2131 | # lpfc_log_verbose: Only turn this flag on if you are willing to risk being | |
2132 | # deluged with LOTS of information. | |
2133 | # You can set a bit mask to record specific types of verbose messages: | |
f4b4c68f | 2134 | # See lpfc_logmsh.h for definitions. |
dea3101e | 2135 | */ |
f4b4c68f | 2136 | LPFC_VPORT_ATTR_HEX_RW(log_verbose, 0x0, 0x0, 0xffffffff, |
e8b62011 | 2137 | "Verbose logging bit-mask"); |
dea3101e | 2138 | |
7ee5d43e JS |
2139 | /* |
2140 | # lpfc_enable_da_id: This turns on the DA_ID CT command that deregisters | |
2141 | # objects that have been registered with the nameserver after login. | |
2142 | */ | |
2143 | LPFC_VPORT_ATTR_R(enable_da_id, 0, 0, 1, | |
2144 | "Deregister nameserver objects before LOGO"); | |
2145 | ||
dea3101e | 2146 | /* |
2147 | # lun_queue_depth: This parameter is used to limit the number of outstanding | |
2148 | # commands per FCP LUN. Value range is [1,128]. Default value is 30. | |
2149 | */ | |
3de2a653 JS |
2150 | LPFC_VPORT_ATTR_R(lun_queue_depth, 30, 1, 128, |
2151 | "Max number of FCP commands we can queue to a specific LUN"); | |
dea3101e | 2152 | |
b28485ac JW |
2153 | /* |
2154 | # hba_queue_depth: This parameter is used to limit the number of outstanding | |
2155 | # commands per lpfc HBA. Value range is [32,8192]. If this parameter | |
2156 | # value is greater than the maximum number of exchanges supported by the HBA, | |
2157 | # then maximum number of exchanges supported by the HBA is used to determine | |
2158 | # the hba_queue_depth. | |
2159 | */ | |
2160 | LPFC_ATTR_R(hba_queue_depth, 8192, 32, 8192, | |
2161 | "Max number of FCP commands we can queue to a lpfc HBA"); | |
2162 | ||
92d7f7b0 JS |
2163 | /* |
2164 | # peer_port_login: This parameter allows/prevents logins | |
2165 | # between peer ports hosted on the same physical port. | |
2166 | # When this parameter is set 0 peer ports of same physical port | |
2167 | # are not allowed to login to each other. | |
2168 | # When this parameter is set 1 peer ports of same physical port | |
2169 | # are allowed to login to each other. | |
2170 | # Default value of this parameter is 0. | |
2171 | */ | |
3de2a653 JS |
2172 | LPFC_VPORT_ATTR_R(peer_port_login, 0, 0, 1, |
2173 | "Allow peer ports on the same physical port to login to each " | |
2174 | "other."); | |
92d7f7b0 JS |
2175 | |
2176 | /* | |
3de2a653 | 2177 | # restrict_login: This parameter allows/prevents logins |
92d7f7b0 JS |
2178 | # between Virtual Ports and remote initiators. |
2179 | # When this parameter is not set (0) Virtual Ports will accept PLOGIs from | |
2180 | # other initiators and will attempt to PLOGI all remote ports. | |
2181 | # When this parameter is set (1) Virtual Ports will reject PLOGIs from | |
2182 | # remote ports and will not attempt to PLOGI to other initiators. | |
2183 | # This parameter does not restrict to the physical port. | |
2184 | # This parameter does not restrict logins to Fabric resident remote ports. | |
2185 | # Default value of this parameter is 1. | |
2186 | */ | |
3de2a653 JS |
2187 | static int lpfc_restrict_login = 1; |
2188 | module_param(lpfc_restrict_login, int, 0); | |
2189 | MODULE_PARM_DESC(lpfc_restrict_login, | |
2190 | "Restrict virtual ports login to remote initiators."); | |
2191 | lpfc_vport_param_show(restrict_login); | |
2192 | ||
e59058c4 | 2193 | /** |
3621a710 | 2194 | * lpfc_restrict_login_init - Set the vport restrict login flag |
e59058c4 JS |
2195 | * @vport: lpfc vport structure pointer. |
2196 | * @val: contains the restrict login value. | |
2197 | * | |
2198 | * Description: | |
2199 | * If val is not in a valid range then log a kernel error message and set | |
2200 | * the vport restrict login to one. | |
2201 | * If the port type is physical clear the restrict login flag and return. | |
2202 | * Else set the restrict login flag to val. | |
2203 | * | |
2204 | * Returns: | |
2205 | * zero if val is in range | |
2206 | * -EINVAL val out of range | |
2207 | **/ | |
3de2a653 JS |
2208 | static int |
2209 | lpfc_restrict_login_init(struct lpfc_vport *vport, int val) | |
2210 | { | |
2211 | if (val < 0 || val > 1) { | |
e8b62011 | 2212 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 2213 | "0422 lpfc_restrict_login attribute cannot " |
e8b62011 JS |
2214 | "be set to %d, allowed range is [0, 1]\n", |
2215 | val); | |
3de2a653 JS |
2216 | vport->cfg_restrict_login = 1; |
2217 | return -EINVAL; | |
2218 | } | |
2219 | if (vport->port_type == LPFC_PHYSICAL_PORT) { | |
2220 | vport->cfg_restrict_login = 0; | |
2221 | return 0; | |
2222 | } | |
2223 | vport->cfg_restrict_login = val; | |
2224 | return 0; | |
2225 | } | |
2226 | ||
e59058c4 | 2227 | /** |
3621a710 | 2228 | * lpfc_restrict_login_set - Set the vport restrict login flag |
e59058c4 JS |
2229 | * @vport: lpfc vport structure pointer. |
2230 | * @val: contains the restrict login value. | |
2231 | * | |
2232 | * Description: | |
2233 | * If val is not in a valid range then log a kernel error message and set | |
2234 | * the vport restrict login to one. | |
2235 | * If the port type is physical and the val is not zero log a kernel | |
2236 | * error message, clear the restrict login flag and return zero. | |
2237 | * Else set the restrict login flag to val. | |
2238 | * | |
2239 | * Returns: | |
2240 | * zero if val is in range | |
2241 | * -EINVAL val out of range | |
2242 | **/ | |
3de2a653 JS |
2243 | static int |
2244 | lpfc_restrict_login_set(struct lpfc_vport *vport, int val) | |
2245 | { | |
2246 | if (val < 0 || val > 1) { | |
e8b62011 | 2247 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 2248 | "0425 lpfc_restrict_login attribute cannot " |
e8b62011 JS |
2249 | "be set to %d, allowed range is [0, 1]\n", |
2250 | val); | |
3de2a653 JS |
2251 | vport->cfg_restrict_login = 1; |
2252 | return -EINVAL; | |
2253 | } | |
2254 | if (vport->port_type == LPFC_PHYSICAL_PORT && val != 0) { | |
e8b62011 JS |
2255 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
2256 | "0468 lpfc_restrict_login must be 0 for " | |
2257 | "Physical ports.\n"); | |
3de2a653 JS |
2258 | vport->cfg_restrict_login = 0; |
2259 | return 0; | |
2260 | } | |
2261 | vport->cfg_restrict_login = val; | |
2262 | return 0; | |
2263 | } | |
2264 | lpfc_vport_param_store(restrict_login); | |
ee959b00 TJ |
2265 | static DEVICE_ATTR(lpfc_restrict_login, S_IRUGO | S_IWUSR, |
2266 | lpfc_restrict_login_show, lpfc_restrict_login_store); | |
92d7f7b0 | 2267 | |
dea3101e | 2268 | /* |
2269 | # Some disk devices have a "select ID" or "select Target" capability. | |
2270 | # From a protocol standpoint "select ID" usually means select the | |
2271 | # Fibre channel "ALPA". In the FC-AL Profile there is an "informative | |
2272 | # annex" which contains a table that maps a "select ID" (a number | |
2273 | # between 0 and 7F) to an ALPA. By default, for compatibility with | |
2274 | # older drivers, the lpfc driver scans this table from low ALPA to high | |
2275 | # ALPA. | |
2276 | # | |
2277 | # Turning on the scan-down variable (on = 1, off = 0) will | |
2278 | # cause the lpfc driver to use an inverted table, effectively | |
2279 | # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1. | |
2280 | # | |
2281 | # (Note: This "select ID" functionality is a LOOP ONLY characteristic | |
2282 | # and will not work across a fabric. Also this parameter will take | |
2283 | # effect only in the case when ALPA map is not available.) | |
2284 | */ | |
3de2a653 JS |
2285 | LPFC_VPORT_ATTR_R(scan_down, 1, 0, 1, |
2286 | "Start scanning for devices from highest ALPA to lowest"); | |
dea3101e | 2287 | |
dea3101e | 2288 | /* |
2289 | # lpfc_topology: link topology for init link | |
2290 | # 0x0 = attempt loop mode then point-to-point | |
367c2713 | 2291 | # 0x01 = internal loopback mode |
dea3101e | 2292 | # 0x02 = attempt point-to-point mode only |
2293 | # 0x04 = attempt loop mode only | |
2294 | # 0x06 = attempt point-to-point mode then loop | |
2295 | # Set point-to-point mode if you want to run as an N_Port. | |
2296 | # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6]. | |
2297 | # Default value is 0. | |
2298 | */ | |
e59058c4 JS |
2299 | |
2300 | /** | |
3621a710 | 2301 | * lpfc_topology_set - Set the adapters topology field |
e59058c4 JS |
2302 | * @phba: lpfc_hba pointer. |
2303 | * @val: topology value. | |
2304 | * | |
2305 | * Description: | |
2306 | * If val is in a valid range then set the adapter's topology field and | |
2307 | * issue a lip; if the lip fails reset the topology to the old value. | |
2308 | * | |
2309 | * If the value is not in range log a kernel error message and return an error. | |
2310 | * | |
2311 | * Returns: | |
2312 | * zero if val is in range and lip okay | |
2313 | * non-zero return value from lpfc_issue_lip() | |
2314 | * -EINVAL val out of range | |
2315 | **/ | |
a257bf90 JS |
2316 | static ssize_t |
2317 | lpfc_topology_store(struct device *dev, struct device_attribute *attr, | |
2318 | const char *buf, size_t count) | |
83108bd3 | 2319 | { |
a257bf90 JS |
2320 | struct Scsi_Host *shost = class_to_shost(dev); |
2321 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2322 | struct lpfc_hba *phba = vport->phba; | |
2323 | int val = 0; | |
2324 | int nolip = 0; | |
2325 | const char *val_buf = buf; | |
83108bd3 JS |
2326 | int err; |
2327 | uint32_t prev_val; | |
a257bf90 JS |
2328 | |
2329 | if (!strncmp(buf, "nolip ", strlen("nolip "))) { | |
2330 | nolip = 1; | |
2331 | val_buf = &buf[strlen("nolip ")]; | |
2332 | } | |
2333 | ||
2334 | if (!isdigit(val_buf[0])) | |
2335 | return -EINVAL; | |
2336 | if (sscanf(val_buf, "%i", &val) != 1) | |
2337 | return -EINVAL; | |
2338 | ||
83108bd3 JS |
2339 | if (val >= 0 && val <= 6) { |
2340 | prev_val = phba->cfg_topology; | |
2341 | phba->cfg_topology = val; | |
a257bf90 JS |
2342 | if (nolip) |
2343 | return strlen(buf); | |
2344 | ||
83108bd3 | 2345 | err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport)); |
a257bf90 | 2346 | if (err) { |
83108bd3 | 2347 | phba->cfg_topology = prev_val; |
a257bf90 JS |
2348 | return -EINVAL; |
2349 | } else | |
2350 | return strlen(buf); | |
83108bd3 JS |
2351 | } |
2352 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2353 | "%d:0467 lpfc_topology attribute cannot be set to %d, " | |
2354 | "allowed range is [0, 6]\n", | |
2355 | phba->brd_no, val); | |
2356 | return -EINVAL; | |
2357 | } | |
2358 | static int lpfc_topology = 0; | |
2359 | module_param(lpfc_topology, int, 0); | |
2360 | MODULE_PARM_DESC(lpfc_topology, "Select Fibre Channel topology"); | |
2361 | lpfc_param_show(topology) | |
2362 | lpfc_param_init(topology, 0, 0, 6) | |
ee959b00 | 2363 | static DEVICE_ATTR(lpfc_topology, S_IRUGO | S_IWUSR, |
83108bd3 | 2364 | lpfc_topology_show, lpfc_topology_store); |
dea3101e | 2365 | |
21e9a0a5 JS |
2366 | /** |
2367 | * lpfc_static_vport_show: Read callback function for | |
2368 | * lpfc_static_vport sysfs file. | |
2369 | * @dev: Pointer to class device object. | |
2370 | * @attr: device attribute structure. | |
2371 | * @buf: Data buffer. | |
2372 | * | |
2373 | * This function is the read call back function for | |
2374 | * lpfc_static_vport sysfs file. The lpfc_static_vport | |
2375 | * sysfs file report the mageability of the vport. | |
2376 | **/ | |
2377 | static ssize_t | |
2378 | lpfc_static_vport_show(struct device *dev, struct device_attribute *attr, | |
2379 | char *buf) | |
2380 | { | |
2381 | struct Scsi_Host *shost = class_to_shost(dev); | |
2382 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2383 | if (vport->vport_flag & STATIC_VPORT) | |
2384 | sprintf(buf, "1\n"); | |
2385 | else | |
2386 | sprintf(buf, "0\n"); | |
2387 | ||
2388 | return strlen(buf); | |
2389 | } | |
2390 | ||
2391 | /* | |
2392 | * Sysfs attribute to control the statistical data collection. | |
2393 | */ | |
2394 | static DEVICE_ATTR(lpfc_static_vport, S_IRUGO, | |
2395 | lpfc_static_vport_show, NULL); | |
ea2151b4 JS |
2396 | |
2397 | /** | |
3621a710 | 2398 | * lpfc_stat_data_ctrl_store - write call back for lpfc_stat_data_ctrl sysfs file |
ea2151b4 JS |
2399 | * @dev: Pointer to class device. |
2400 | * @buf: Data buffer. | |
2401 | * @count: Size of the data buffer. | |
2402 | * | |
2403 | * This function get called when an user write to the lpfc_stat_data_ctrl | |
2404 | * sysfs file. This function parse the command written to the sysfs file | |
2405 | * and take appropriate action. These commands are used for controlling | |
2406 | * driver statistical data collection. | |
2407 | * Following are the command this function handles. | |
2408 | * | |
2409 | * setbucket <bucket_type> <base> <step> | |
2410 | * = Set the latency buckets. | |
2411 | * destroybucket = destroy all the buckets. | |
2412 | * start = start data collection | |
2413 | * stop = stop data collection | |
2414 | * reset = reset the collected data | |
2415 | **/ | |
2416 | static ssize_t | |
2417 | lpfc_stat_data_ctrl_store(struct device *dev, struct device_attribute *attr, | |
2418 | const char *buf, size_t count) | |
2419 | { | |
2420 | struct Scsi_Host *shost = class_to_shost(dev); | |
2421 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2422 | struct lpfc_hba *phba = vport->phba; | |
2423 | #define LPFC_MAX_DATA_CTRL_LEN 1024 | |
2424 | static char bucket_data[LPFC_MAX_DATA_CTRL_LEN]; | |
2425 | unsigned long i; | |
2426 | char *str_ptr, *token; | |
2427 | struct lpfc_vport **vports; | |
2428 | struct Scsi_Host *v_shost; | |
2429 | char *bucket_type_str, *base_str, *step_str; | |
2430 | unsigned long base, step, bucket_type; | |
2431 | ||
2432 | if (!strncmp(buf, "setbucket", strlen("setbucket"))) { | |
a257bf90 | 2433 | if (strlen(buf) > (LPFC_MAX_DATA_CTRL_LEN - 1)) |
ea2151b4 JS |
2434 | return -EINVAL; |
2435 | ||
2436 | strcpy(bucket_data, buf); | |
2437 | str_ptr = &bucket_data[0]; | |
2438 | /* Ignore this token - this is command token */ | |
2439 | token = strsep(&str_ptr, "\t "); | |
2440 | if (!token) | |
2441 | return -EINVAL; | |
2442 | ||
2443 | bucket_type_str = strsep(&str_ptr, "\t "); | |
2444 | if (!bucket_type_str) | |
2445 | return -EINVAL; | |
2446 | ||
2447 | if (!strncmp(bucket_type_str, "linear", strlen("linear"))) | |
2448 | bucket_type = LPFC_LINEAR_BUCKET; | |
2449 | else if (!strncmp(bucket_type_str, "power2", strlen("power2"))) | |
2450 | bucket_type = LPFC_POWER2_BUCKET; | |
2451 | else | |
2452 | return -EINVAL; | |
2453 | ||
2454 | base_str = strsep(&str_ptr, "\t "); | |
2455 | if (!base_str) | |
2456 | return -EINVAL; | |
2457 | base = simple_strtoul(base_str, NULL, 0); | |
2458 | ||
2459 | step_str = strsep(&str_ptr, "\t "); | |
2460 | if (!step_str) | |
2461 | return -EINVAL; | |
2462 | step = simple_strtoul(step_str, NULL, 0); | |
2463 | if (!step) | |
2464 | return -EINVAL; | |
2465 | ||
2466 | /* Block the data collection for every vport */ | |
2467 | vports = lpfc_create_vport_work_array(phba); | |
2468 | if (vports == NULL) | |
2469 | return -ENOMEM; | |
2470 | ||
f4b4c68f | 2471 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
ea2151b4 JS |
2472 | v_shost = lpfc_shost_from_vport(vports[i]); |
2473 | spin_lock_irq(v_shost->host_lock); | |
2474 | /* Block and reset data collection */ | |
2475 | vports[i]->stat_data_blocked = 1; | |
2476 | if (vports[i]->stat_data_enabled) | |
2477 | lpfc_vport_reset_stat_data(vports[i]); | |
2478 | spin_unlock_irq(v_shost->host_lock); | |
2479 | } | |
2480 | ||
2481 | /* Set the bucket attributes */ | |
2482 | phba->bucket_type = bucket_type; | |
2483 | phba->bucket_base = base; | |
2484 | phba->bucket_step = step; | |
2485 | ||
f4b4c68f | 2486 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
ea2151b4 JS |
2487 | v_shost = lpfc_shost_from_vport(vports[i]); |
2488 | ||
2489 | /* Unblock data collection */ | |
2490 | spin_lock_irq(v_shost->host_lock); | |
2491 | vports[i]->stat_data_blocked = 0; | |
2492 | spin_unlock_irq(v_shost->host_lock); | |
2493 | } | |
2494 | lpfc_destroy_vport_work_array(phba, vports); | |
2495 | return strlen(buf); | |
2496 | } | |
2497 | ||
2498 | if (!strncmp(buf, "destroybucket", strlen("destroybucket"))) { | |
2499 | vports = lpfc_create_vport_work_array(phba); | |
2500 | if (vports == NULL) | |
2501 | return -ENOMEM; | |
2502 | ||
f4b4c68f | 2503 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
ea2151b4 JS |
2504 | v_shost = lpfc_shost_from_vport(vports[i]); |
2505 | spin_lock_irq(shost->host_lock); | |
2506 | vports[i]->stat_data_blocked = 1; | |
2507 | lpfc_free_bucket(vport); | |
2508 | vport->stat_data_enabled = 0; | |
2509 | vports[i]->stat_data_blocked = 0; | |
2510 | spin_unlock_irq(shost->host_lock); | |
2511 | } | |
2512 | lpfc_destroy_vport_work_array(phba, vports); | |
2513 | phba->bucket_type = LPFC_NO_BUCKET; | |
2514 | phba->bucket_base = 0; | |
2515 | phba->bucket_step = 0; | |
2516 | return strlen(buf); | |
2517 | } | |
2518 | ||
2519 | if (!strncmp(buf, "start", strlen("start"))) { | |
2520 | /* If no buckets configured return error */ | |
2521 | if (phba->bucket_type == LPFC_NO_BUCKET) | |
2522 | return -EINVAL; | |
2523 | spin_lock_irq(shost->host_lock); | |
2524 | if (vport->stat_data_enabled) { | |
2525 | spin_unlock_irq(shost->host_lock); | |
2526 | return strlen(buf); | |
2527 | } | |
2528 | lpfc_alloc_bucket(vport); | |
2529 | vport->stat_data_enabled = 1; | |
2530 | spin_unlock_irq(shost->host_lock); | |
2531 | return strlen(buf); | |
2532 | } | |
2533 | ||
2534 | if (!strncmp(buf, "stop", strlen("stop"))) { | |
2535 | spin_lock_irq(shost->host_lock); | |
2536 | if (vport->stat_data_enabled == 0) { | |
2537 | spin_unlock_irq(shost->host_lock); | |
2538 | return strlen(buf); | |
2539 | } | |
2540 | lpfc_free_bucket(vport); | |
2541 | vport->stat_data_enabled = 0; | |
2542 | spin_unlock_irq(shost->host_lock); | |
2543 | return strlen(buf); | |
2544 | } | |
2545 | ||
2546 | if (!strncmp(buf, "reset", strlen("reset"))) { | |
2547 | if ((phba->bucket_type == LPFC_NO_BUCKET) | |
2548 | || !vport->stat_data_enabled) | |
2549 | return strlen(buf); | |
2550 | spin_lock_irq(shost->host_lock); | |
2551 | vport->stat_data_blocked = 1; | |
2552 | lpfc_vport_reset_stat_data(vport); | |
2553 | vport->stat_data_blocked = 0; | |
2554 | spin_unlock_irq(shost->host_lock); | |
2555 | return strlen(buf); | |
2556 | } | |
2557 | return -EINVAL; | |
2558 | } | |
2559 | ||
2560 | ||
2561 | /** | |
3621a710 | 2562 | * lpfc_stat_data_ctrl_show - Read function for lpfc_stat_data_ctrl sysfs file |
ea2151b4 JS |
2563 | * @dev: Pointer to class device object. |
2564 | * @buf: Data buffer. | |
2565 | * | |
2566 | * This function is the read call back function for | |
2567 | * lpfc_stat_data_ctrl sysfs file. This function report the | |
2568 | * current statistical data collection state. | |
2569 | **/ | |
2570 | static ssize_t | |
2571 | lpfc_stat_data_ctrl_show(struct device *dev, struct device_attribute *attr, | |
2572 | char *buf) | |
2573 | { | |
2574 | struct Scsi_Host *shost = class_to_shost(dev); | |
2575 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2576 | struct lpfc_hba *phba = vport->phba; | |
2577 | int index = 0; | |
2578 | int i; | |
2579 | char *bucket_type; | |
2580 | unsigned long bucket_value; | |
2581 | ||
2582 | switch (phba->bucket_type) { | |
2583 | case LPFC_LINEAR_BUCKET: | |
2584 | bucket_type = "linear"; | |
2585 | break; | |
2586 | case LPFC_POWER2_BUCKET: | |
2587 | bucket_type = "power2"; | |
2588 | break; | |
2589 | default: | |
2590 | bucket_type = "No Bucket"; | |
2591 | break; | |
2592 | } | |
2593 | ||
2594 | sprintf(&buf[index], "Statistical Data enabled :%d, " | |
2595 | "blocked :%d, Bucket type :%s, Bucket base :%d," | |
2596 | " Bucket step :%d\nLatency Ranges :", | |
2597 | vport->stat_data_enabled, vport->stat_data_blocked, | |
2598 | bucket_type, phba->bucket_base, phba->bucket_step); | |
2599 | index = strlen(buf); | |
2600 | if (phba->bucket_type != LPFC_NO_BUCKET) { | |
2601 | for (i = 0; i < LPFC_MAX_BUCKET_COUNT; i++) { | |
2602 | if (phba->bucket_type == LPFC_LINEAR_BUCKET) | |
2603 | bucket_value = phba->bucket_base + | |
2604 | phba->bucket_step * i; | |
2605 | else | |
2606 | bucket_value = phba->bucket_base + | |
2607 | (1 << i) * phba->bucket_step; | |
2608 | ||
2609 | if (index + 10 > PAGE_SIZE) | |
2610 | break; | |
2611 | sprintf(&buf[index], "%08ld ", bucket_value); | |
2612 | index = strlen(buf); | |
2613 | } | |
2614 | } | |
2615 | sprintf(&buf[index], "\n"); | |
2616 | return strlen(buf); | |
2617 | } | |
2618 | ||
2619 | /* | |
2620 | * Sysfs attribute to control the statistical data collection. | |
2621 | */ | |
2622 | static DEVICE_ATTR(lpfc_stat_data_ctrl, S_IRUGO | S_IWUSR, | |
2623 | lpfc_stat_data_ctrl_show, lpfc_stat_data_ctrl_store); | |
2624 | ||
2625 | /* | |
2626 | * lpfc_drvr_stat_data: sysfs attr to get driver statistical data. | |
2627 | */ | |
2628 | ||
2629 | /* | |
2630 | * Each Bucket takes 11 characters and 1 new line + 17 bytes WWN | |
2631 | * for each target. | |
2632 | */ | |
2633 | #define STAT_DATA_SIZE_PER_TARGET(NUM_BUCKETS) ((NUM_BUCKETS) * 11 + 18) | |
2634 | #define MAX_STAT_DATA_SIZE_PER_TARGET \ | |
2635 | STAT_DATA_SIZE_PER_TARGET(LPFC_MAX_BUCKET_COUNT) | |
2636 | ||
2637 | ||
2638 | /** | |
3621a710 | 2639 | * sysfs_drvr_stat_data_read - Read function for lpfc_drvr_stat_data attribute |
ea2151b4 JS |
2640 | * @kobj: Pointer to the kernel object |
2641 | * @bin_attr: Attribute object | |
2642 | * @buff: Buffer pointer | |
2643 | * @off: File offset | |
2644 | * @count: Buffer size | |
2645 | * | |
2646 | * This function is the read call back function for lpfc_drvr_stat_data | |
2647 | * sysfs file. This function export the statistical data to user | |
2648 | * applications. | |
2649 | **/ | |
2650 | static ssize_t | |
2651 | sysfs_drvr_stat_data_read(struct kobject *kobj, struct bin_attribute *bin_attr, | |
2652 | char *buf, loff_t off, size_t count) | |
2653 | { | |
2654 | struct device *dev = container_of(kobj, struct device, | |
2655 | kobj); | |
2656 | struct Scsi_Host *shost = class_to_shost(dev); | |
2657 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2658 | struct lpfc_hba *phba = vport->phba; | |
2659 | int i = 0, index = 0; | |
2660 | unsigned long nport_index; | |
2661 | struct lpfc_nodelist *ndlp = NULL; | |
2662 | nport_index = (unsigned long)off / | |
2663 | MAX_STAT_DATA_SIZE_PER_TARGET; | |
2664 | ||
2665 | if (!vport->stat_data_enabled || vport->stat_data_blocked | |
2666 | || (phba->bucket_type == LPFC_NO_BUCKET)) | |
2667 | return 0; | |
2668 | ||
2669 | spin_lock_irq(shost->host_lock); | |
2670 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { | |
2671 | if (!NLP_CHK_NODE_ACT(ndlp) || !ndlp->lat_data) | |
2672 | continue; | |
2673 | ||
2674 | if (nport_index > 0) { | |
2675 | nport_index--; | |
2676 | continue; | |
2677 | } | |
2678 | ||
2679 | if ((index + MAX_STAT_DATA_SIZE_PER_TARGET) | |
2680 | > count) | |
2681 | break; | |
2682 | ||
2683 | if (!ndlp->lat_data) | |
2684 | continue; | |
2685 | ||
2686 | /* Print the WWN */ | |
2687 | sprintf(&buf[index], "%02x%02x%02x%02x%02x%02x%02x%02x:", | |
2688 | ndlp->nlp_portname.u.wwn[0], | |
2689 | ndlp->nlp_portname.u.wwn[1], | |
2690 | ndlp->nlp_portname.u.wwn[2], | |
2691 | ndlp->nlp_portname.u.wwn[3], | |
2692 | ndlp->nlp_portname.u.wwn[4], | |
2693 | ndlp->nlp_portname.u.wwn[5], | |
2694 | ndlp->nlp_portname.u.wwn[6], | |
2695 | ndlp->nlp_portname.u.wwn[7]); | |
2696 | ||
2697 | index = strlen(buf); | |
2698 | ||
2699 | for (i = 0; i < LPFC_MAX_BUCKET_COUNT; i++) { | |
2700 | sprintf(&buf[index], "%010u,", | |
2701 | ndlp->lat_data[i].cmd_count); | |
2702 | index = strlen(buf); | |
2703 | } | |
2704 | sprintf(&buf[index], "\n"); | |
2705 | index = strlen(buf); | |
2706 | } | |
2707 | spin_unlock_irq(shost->host_lock); | |
2708 | return index; | |
2709 | } | |
2710 | ||
2711 | static struct bin_attribute sysfs_drvr_stat_data_attr = { | |
2712 | .attr = { | |
2713 | .name = "lpfc_drvr_stat_data", | |
2714 | .mode = S_IRUSR, | |
2715 | .owner = THIS_MODULE, | |
2716 | }, | |
2717 | .size = LPFC_MAX_TARGET * MAX_STAT_DATA_SIZE_PER_TARGET, | |
2718 | .read = sysfs_drvr_stat_data_read, | |
2719 | .write = NULL, | |
2720 | }; | |
2721 | ||
dea3101e | 2722 | /* |
2723 | # lpfc_link_speed: Link speed selection for initializing the Fibre Channel | |
2724 | # connection. | |
2725 | # 0 = auto select (default) | |
2726 | # 1 = 1 Gigabaud | |
2727 | # 2 = 2 Gigabaud | |
2728 | # 4 = 4 Gigabaud | |
b87eab38 JS |
2729 | # 8 = 8 Gigabaud |
2730 | # Value range is [0,8]. Default value is 0. | |
dea3101e | 2731 | */ |
e59058c4 JS |
2732 | |
2733 | /** | |
3621a710 | 2734 | * lpfc_link_speed_set - Set the adapters link speed |
e59058c4 JS |
2735 | * @phba: lpfc_hba pointer. |
2736 | * @val: link speed value. | |
2737 | * | |
2738 | * Description: | |
2739 | * If val is in a valid range then set the adapter's link speed field and | |
2740 | * issue a lip; if the lip fails reset the link speed to the old value. | |
2741 | * | |
2742 | * Notes: | |
2743 | * If the value is not in range log a kernel error message and return an error. | |
2744 | * | |
2745 | * Returns: | |
2746 | * zero if val is in range and lip okay. | |
2747 | * non-zero return value from lpfc_issue_lip() | |
2748 | * -EINVAL val out of range | |
2749 | **/ | |
a257bf90 JS |
2750 | static ssize_t |
2751 | lpfc_link_speed_store(struct device *dev, struct device_attribute *attr, | |
2752 | const char *buf, size_t count) | |
83108bd3 | 2753 | { |
a257bf90 JS |
2754 | struct Scsi_Host *shost = class_to_shost(dev); |
2755 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2756 | struct lpfc_hba *phba = vport->phba; | |
2757 | int val = 0; | |
2758 | int nolip = 0; | |
2759 | const char *val_buf = buf; | |
83108bd3 JS |
2760 | int err; |
2761 | uint32_t prev_val; | |
2762 | ||
a257bf90 JS |
2763 | if (!strncmp(buf, "nolip ", strlen("nolip "))) { |
2764 | nolip = 1; | |
2765 | val_buf = &buf[strlen("nolip ")]; | |
2766 | } | |
2767 | ||
2768 | if (!isdigit(val_buf[0])) | |
2769 | return -EINVAL; | |
2770 | if (sscanf(val_buf, "%i", &val) != 1) | |
2771 | return -EINVAL; | |
2772 | ||
83108bd3 JS |
2773 | if (((val == LINK_SPEED_1G) && !(phba->lmt & LMT_1Gb)) || |
2774 | ((val == LINK_SPEED_2G) && !(phba->lmt & LMT_2Gb)) || | |
2775 | ((val == LINK_SPEED_4G) && !(phba->lmt & LMT_4Gb)) || | |
2776 | ((val == LINK_SPEED_8G) && !(phba->lmt & LMT_8Gb)) || | |
2777 | ((val == LINK_SPEED_10G) && !(phba->lmt & LMT_10Gb))) | |
2778 | return -EINVAL; | |
2779 | ||
a257bf90 | 2780 | if ((val >= 0 && val <= 8) |
83108bd3 JS |
2781 | && (LPFC_LINK_SPEED_BITMAP & (1 << val))) { |
2782 | prev_val = phba->cfg_link_speed; | |
2783 | phba->cfg_link_speed = val; | |
a257bf90 JS |
2784 | if (nolip) |
2785 | return strlen(buf); | |
2786 | ||
83108bd3 | 2787 | err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport)); |
a257bf90 | 2788 | if (err) { |
83108bd3 | 2789 | phba->cfg_link_speed = prev_val; |
a257bf90 JS |
2790 | return -EINVAL; |
2791 | } else | |
2792 | return strlen(buf); | |
83108bd3 JS |
2793 | } |
2794 | ||
2795 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2796 | "%d:0469 lpfc_link_speed attribute cannot be set to %d, " | |
2797 | "allowed range is [0, 8]\n", | |
2798 | phba->brd_no, val); | |
2799 | return -EINVAL; | |
2800 | } | |
2801 | ||
2802 | static int lpfc_link_speed = 0; | |
2803 | module_param(lpfc_link_speed, int, 0); | |
2804 | MODULE_PARM_DESC(lpfc_link_speed, "Select link speed"); | |
2805 | lpfc_param_show(link_speed) | |
e59058c4 JS |
2806 | |
2807 | /** | |
3621a710 | 2808 | * lpfc_link_speed_init - Set the adapters link speed |
e59058c4 JS |
2809 | * @phba: lpfc_hba pointer. |
2810 | * @val: link speed value. | |
2811 | * | |
2812 | * Description: | |
2813 | * If val is in a valid range then set the adapter's link speed field. | |
2814 | * | |
2815 | * Notes: | |
2816 | * If the value is not in range log a kernel error message, clear the link | |
2817 | * speed and return an error. | |
2818 | * | |
2819 | * Returns: | |
2820 | * zero if val saved. | |
2821 | * -EINVAL val out of range | |
2822 | **/ | |
83108bd3 JS |
2823 | static int |
2824 | lpfc_link_speed_init(struct lpfc_hba *phba, int val) | |
2825 | { | |
2826 | if ((val >= 0 && val <= LPFC_MAX_LINK_SPEED) | |
2827 | && (LPFC_LINK_SPEED_BITMAP & (1 << val))) { | |
2828 | phba->cfg_link_speed = val; | |
2829 | return 0; | |
2830 | } | |
2831 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
d7c255b2 | 2832 | "0405 lpfc_link_speed attribute cannot " |
83108bd3 JS |
2833 | "be set to %d, allowed values are " |
2834 | "["LPFC_LINK_SPEED_STRING"]\n", val); | |
2835 | phba->cfg_link_speed = 0; | |
2836 | return -EINVAL; | |
2837 | } | |
2838 | ||
ee959b00 | 2839 | static DEVICE_ATTR(lpfc_link_speed, S_IRUGO | S_IWUSR, |
83108bd3 | 2840 | lpfc_link_speed_show, lpfc_link_speed_store); |
dea3101e | 2841 | |
0d878419 JS |
2842 | /* |
2843 | # lpfc_aer_support: Support PCIe device Advanced Error Reporting (AER) | |
2844 | # 0 = aer disabled or not supported | |
2845 | # 1 = aer supported and enabled (default) | |
2846 | # Value range is [0,1]. Default value is 1. | |
2847 | */ | |
2848 | ||
2849 | /** | |
2850 | * lpfc_aer_support_store - Set the adapter for aer support | |
2851 | * | |
2852 | * @dev: class device that is converted into a Scsi_host. | |
2853 | * @attr: device attribute, not used. | |
2854 | * @buf: containing the string "selective". | |
2855 | * @count: unused variable. | |
2856 | * | |
2857 | * Description: | |
2858 | * If the val is 1 and currently the device's AER capability was not | |
2859 | * enabled, invoke the kernel's enable AER helper routine, trying to | |
2860 | * enable the device's AER capability. If the helper routine enabling | |
2861 | * AER returns success, update the device's cfg_aer_support flag to | |
2862 | * indicate AER is supported by the device; otherwise, if the device | |
2863 | * AER capability is already enabled to support AER, then do nothing. | |
2864 | * | |
2865 | * If the val is 0 and currently the device's AER support was enabled, | |
2866 | * invoke the kernel's disable AER helper routine. After that, update | |
2867 | * the device's cfg_aer_support flag to indicate AER is not supported | |
2868 | * by the device; otherwise, if the device AER capability is already | |
2869 | * disabled from supporting AER, then do nothing. | |
2870 | * | |
2871 | * Returns: | |
2872 | * length of the buf on success if val is in range the intended mode | |
2873 | * is supported. | |
2874 | * -EINVAL if val out of range or intended mode is not supported. | |
2875 | **/ | |
2876 | static ssize_t | |
2877 | lpfc_aer_support_store(struct device *dev, struct device_attribute *attr, | |
2878 | const char *buf, size_t count) | |
2879 | { | |
2880 | struct Scsi_Host *shost = class_to_shost(dev); | |
2881 | struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; | |
2882 | struct lpfc_hba *phba = vport->phba; | |
2883 | int val = 0, rc = -EINVAL; | |
2884 | ||
891478a2 JS |
2885 | /* AER not supported on OC devices yet */ |
2886 | if (phba->pci_dev_grp == LPFC_PCI_DEV_OC) | |
2887 | return -EPERM; | |
0d878419 JS |
2888 | if (!isdigit(buf[0])) |
2889 | return -EINVAL; | |
2890 | if (sscanf(buf, "%i", &val) != 1) | |
2891 | return -EINVAL; | |
2892 | ||
2893 | switch (val) { | |
2894 | case 0: | |
2895 | if (phba->hba_flag & HBA_AER_ENABLED) { | |
2896 | rc = pci_disable_pcie_error_reporting(phba->pcidev); | |
2897 | if (!rc) { | |
2898 | spin_lock_irq(&phba->hbalock); | |
2899 | phba->hba_flag &= ~HBA_AER_ENABLED; | |
2900 | spin_unlock_irq(&phba->hbalock); | |
2901 | phba->cfg_aer_support = 0; | |
2902 | rc = strlen(buf); | |
2903 | } else | |
891478a2 JS |
2904 | rc = -EPERM; |
2905 | } else { | |
0d878419 | 2906 | phba->cfg_aer_support = 0; |
891478a2 JS |
2907 | rc = strlen(buf); |
2908 | } | |
0d878419 JS |
2909 | break; |
2910 | case 1: | |
2911 | if (!(phba->hba_flag & HBA_AER_ENABLED)) { | |
2912 | rc = pci_enable_pcie_error_reporting(phba->pcidev); | |
2913 | if (!rc) { | |
2914 | spin_lock_irq(&phba->hbalock); | |
2915 | phba->hba_flag |= HBA_AER_ENABLED; | |
2916 | spin_unlock_irq(&phba->hbalock); | |
2917 | phba->cfg_aer_support = 1; | |
2918 | rc = strlen(buf); | |
2919 | } else | |
891478a2 JS |
2920 | rc = -EPERM; |
2921 | } else { | |
0d878419 | 2922 | phba->cfg_aer_support = 1; |
891478a2 JS |
2923 | rc = strlen(buf); |
2924 | } | |
0d878419 JS |
2925 | break; |
2926 | default: | |
2927 | rc = -EINVAL; | |
2928 | break; | |
2929 | } | |
2930 | return rc; | |
2931 | } | |
2932 | ||
2933 | static int lpfc_aer_support = 1; | |
2934 | module_param(lpfc_aer_support, int, 1); | |
2935 | MODULE_PARM_DESC(lpfc_aer_support, "Enable PCIe device AER support"); | |
2936 | lpfc_param_show(aer_support) | |
2937 | ||
2938 | /** | |
2939 | * lpfc_aer_support_init - Set the initial adapters aer support flag | |
2940 | * @phba: lpfc_hba pointer. | |
2941 | * @val: link speed value. | |
2942 | * | |
2943 | * Description: | |
2944 | * If val is in a valid range [0,1], then set the adapter's initial | |
2945 | * cfg_aer_support field. It will be up to the driver's probe_one | |
2946 | * routine to determine whether the device's AER support can be set | |
2947 | * or not. | |
2948 | * | |
2949 | * Notes: | |
2950 | * If the value is not in range log a kernel error message, and | |
2951 | * choose the default value of setting AER support and return. | |
2952 | * | |
2953 | * Returns: | |
2954 | * zero if val saved. | |
2955 | * -EINVAL val out of range | |
2956 | **/ | |
2957 | static int | |
2958 | lpfc_aer_support_init(struct lpfc_hba *phba, int val) | |
2959 | { | |
891478a2 JS |
2960 | /* AER not supported on OC devices yet */ |
2961 | if (phba->pci_dev_grp == LPFC_PCI_DEV_OC) { | |
2962 | phba->cfg_aer_support = 0; | |
2963 | return -EPERM; | |
2964 | } | |
2965 | ||
0d878419 JS |
2966 | if (val == 0 || val == 1) { |
2967 | phba->cfg_aer_support = val; | |
2968 | return 0; | |
2969 | } | |
2970 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2971 | "2712 lpfc_aer_support attribute value %d out " | |
2972 | "of range, allowed values are 0|1, setting it " | |
2973 | "to default value of 1\n", val); | |
891478a2 | 2974 | /* By default, try to enable AER on a device */ |
0d878419 JS |
2975 | phba->cfg_aer_support = 1; |
2976 | return -EINVAL; | |
2977 | } | |
2978 | ||
2979 | static DEVICE_ATTR(lpfc_aer_support, S_IRUGO | S_IWUSR, | |
2980 | lpfc_aer_support_show, lpfc_aer_support_store); | |
2981 | ||
2982 | /** | |
2983 | * lpfc_aer_cleanup_state - Clean up aer state to the aer enabled device | |
2984 | * @dev: class device that is converted into a Scsi_host. | |
2985 | * @attr: device attribute, not used. | |
2986 | * @buf: containing the string "selective". | |
2987 | * @count: unused variable. | |
2988 | * | |
2989 | * Description: | |
2990 | * If the @buf contains 1 and the device currently has the AER support | |
2991 | * enabled, then invokes the kernel AER helper routine | |
2992 | * pci_cleanup_aer_uncorrect_error_status to clean up the uncorrectable | |
2993 | * error status register. | |
2994 | * | |
2995 | * Notes: | |
2996 | * | |
2997 | * Returns: | |
2998 | * -EINVAL if the buf does not contain the 1 or the device is not currently | |
2999 | * enabled with the AER support. | |
3000 | **/ | |
3001 | static ssize_t | |
3002 | lpfc_aer_cleanup_state(struct device *dev, struct device_attribute *attr, | |
3003 | const char *buf, size_t count) | |
3004 | { | |
3005 | struct Scsi_Host *shost = class_to_shost(dev); | |
3006 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
3007 | struct lpfc_hba *phba = vport->phba; | |
3008 | int val, rc = -1; | |
3009 | ||
891478a2 JS |
3010 | /* AER not supported on OC devices yet */ |
3011 | if (phba->pci_dev_grp == LPFC_PCI_DEV_OC) | |
3012 | return -EPERM; | |
0d878419 JS |
3013 | if (!isdigit(buf[0])) |
3014 | return -EINVAL; | |
3015 | if (sscanf(buf, "%i", &val) != 1) | |
3016 | return -EINVAL; | |
891478a2 JS |
3017 | if (val != 1) |
3018 | return -EINVAL; | |
0d878419 | 3019 | |
891478a2 | 3020 | if (phba->hba_flag & HBA_AER_ENABLED) |
0d878419 JS |
3021 | rc = pci_cleanup_aer_uncorrect_error_status(phba->pcidev); |
3022 | ||
3023 | if (rc == 0) | |
3024 | return strlen(buf); | |
3025 | else | |
891478a2 | 3026 | return -EPERM; |
0d878419 JS |
3027 | } |
3028 | ||
3029 | static DEVICE_ATTR(lpfc_aer_state_cleanup, S_IWUSR, NULL, | |
3030 | lpfc_aer_cleanup_state); | |
3031 | ||
dea3101e | 3032 | /* |
3033 | # lpfc_fcp_class: Determines FC class to use for the FCP protocol. | |
3034 | # Value range is [2,3]. Default value is 3. | |
3035 | */ | |
3de2a653 JS |
3036 | LPFC_VPORT_ATTR_R(fcp_class, 3, 2, 3, |
3037 | "Select Fibre Channel class of service for FCP sequences"); | |
dea3101e | 3038 | |
3039 | /* | |
3040 | # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range | |
3041 | # is [0,1]. Default value is 0. | |
3042 | */ | |
3de2a653 JS |
3043 | LPFC_VPORT_ATTR_RW(use_adisc, 0, 0, 1, |
3044 | "Use ADISC on rediscovery to authenticate FCP devices"); | |
dea3101e | 3045 | |
977b5a0a JS |
3046 | /* |
3047 | # lpfc_max_scsicmpl_time: Use scsi command completion time to control I/O queue | |
3048 | # depth. Default value is 0. When the value of this parameter is zero the | |
3049 | # SCSI command completion time is not used for controlling I/O queue depth. When | |
3050 | # the parameter is set to a non-zero value, the I/O queue depth is controlled | |
3051 | # to limit the I/O completion time to the parameter value. | |
3052 | # The value is set in milliseconds. | |
3053 | */ | |
3054 | static int lpfc_max_scsicmpl_time; | |
3055 | module_param(lpfc_max_scsicmpl_time, int, 0); | |
3056 | MODULE_PARM_DESC(lpfc_max_scsicmpl_time, | |
3057 | "Use command completion time to control queue depth"); | |
3058 | lpfc_vport_param_show(max_scsicmpl_time); | |
3059 | lpfc_vport_param_init(max_scsicmpl_time, 0, 0, 60000); | |
3060 | static int | |
3061 | lpfc_max_scsicmpl_time_set(struct lpfc_vport *vport, int val) | |
3062 | { | |
3063 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
3064 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
3065 | ||
3066 | if (val == vport->cfg_max_scsicmpl_time) | |
3067 | return 0; | |
3068 | if ((val < 0) || (val > 60000)) | |
3069 | return -EINVAL; | |
3070 | vport->cfg_max_scsicmpl_time = val; | |
3071 | ||
3072 | spin_lock_irq(shost->host_lock); | |
3073 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { | |
3074 | if (!NLP_CHK_NODE_ACT(ndlp)) | |
3075 | continue; | |
3076 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) | |
3077 | continue; | |
3078 | ndlp->cmd_qdepth = LPFC_MAX_TGT_QDEPTH; | |
3079 | } | |
3080 | spin_unlock_irq(shost->host_lock); | |
3081 | return 0; | |
3082 | } | |
3083 | lpfc_vport_param_store(max_scsicmpl_time); | |
3084 | static DEVICE_ATTR(lpfc_max_scsicmpl_time, S_IRUGO | S_IWUSR, | |
3085 | lpfc_max_scsicmpl_time_show, | |
3086 | lpfc_max_scsicmpl_time_store); | |
3087 | ||
dea3101e | 3088 | /* |
3089 | # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value | |
3090 | # range is [0,1]. Default value is 0. | |
3091 | */ | |
3092 | LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support"); | |
3093 | ||
3094 | /* | |
3095 | # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing | |
3096 | # cr_delay (msec) or cr_count outstanding commands. cr_delay can take | |
7054a606 | 3097 | # value [0,63]. cr_count can take value [1,255]. Default value of cr_delay |
dea3101e | 3098 | # is 0. Default value of cr_count is 1. The cr_count feature is disabled if |
3099 | # cr_delay is set to 0. | |
3100 | */ | |
8189fd19 | 3101 | LPFC_ATTR_RW(cr_delay, 0, 0, 63, "A count of milliseconds after which an " |
dea3101e | 3102 | "interrupt response is generated"); |
3103 | ||
8189fd19 | 3104 | LPFC_ATTR_RW(cr_count, 1, 1, 255, "A count of I/O completions after which an " |
dea3101e | 3105 | "interrupt response is generated"); |
3106 | ||
cf5bf97e JW |
3107 | /* |
3108 | # lpfc_multi_ring_support: Determines how many rings to spread available | |
3109 | # cmd/rsp IOCB entries across. | |
3110 | # Value range is [1,2]. Default value is 1. | |
3111 | */ | |
3112 | LPFC_ATTR_R(multi_ring_support, 1, 1, 2, "Determines number of primary " | |
3113 | "SLI rings to spread IOCB entries across"); | |
3114 | ||
a4bc3379 JS |
3115 | /* |
3116 | # lpfc_multi_ring_rctl: If lpfc_multi_ring_support is enabled, this | |
3117 | # identifies what rctl value to configure the additional ring for. | |
3118 | # Value range is [1,0xff]. Default value is 4 (Unsolicated Data). | |
3119 | */ | |
6a9c52cf | 3120 | LPFC_ATTR_R(multi_ring_rctl, FC_RCTL_DD_UNSOL_DATA, 1, |
a4bc3379 JS |
3121 | 255, "Identifies RCTL for additional ring configuration"); |
3122 | ||
3123 | /* | |
3124 | # lpfc_multi_ring_type: If lpfc_multi_ring_support is enabled, this | |
3125 | # identifies what type value to configure the additional ring for. | |
3126 | # Value range is [1,0xff]. Default value is 5 (LLC/SNAP). | |
3127 | */ | |
6a9c52cf | 3128 | LPFC_ATTR_R(multi_ring_type, FC_TYPE_IP, 1, |
a4bc3379 JS |
3129 | 255, "Identifies TYPE for additional ring configuration"); |
3130 | ||
dea3101e | 3131 | /* |
3132 | # lpfc_fdmi_on: controls FDMI support. | |
3133 | # 0 = no FDMI support | |
3134 | # 1 = support FDMI without attribute of hostname | |
3135 | # 2 = support FDMI with attribute of hostname | |
3136 | # Value range [0,2]. Default value is 0. | |
3137 | */ | |
3de2a653 | 3138 | LPFC_VPORT_ATTR_RW(fdmi_on, 0, 0, 2, "Enable FDMI support"); |
dea3101e | 3139 | |
3140 | /* | |
3141 | # Specifies the maximum number of ELS cmds we can have outstanding (for | |
3142 | # discovery). Value range is [1,64]. Default value = 32. | |
3143 | */ | |
3de2a653 | 3144 | LPFC_VPORT_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands " |
dea3101e | 3145 | "during discovery"); |
3146 | ||
3147 | /* | |
65a29c16 JS |
3148 | # lpfc_max_luns: maximum allowed LUN. |
3149 | # Value range is [0,65535]. Default value is 255. | |
3150 | # NOTE: The SCSI layer might probe all allowed LUN on some old targets. | |
dea3101e | 3151 | */ |
3de2a653 | 3152 | LPFC_VPORT_ATTR_R(max_luns, 255, 0, 65535, "Maximum allowed LUN"); |
dea3101e | 3153 | |
875fbdfe JSEC |
3154 | /* |
3155 | # lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring. | |
3156 | # Value range is [1,255], default value is 10. | |
3157 | */ | |
3158 | LPFC_ATTR_RW(poll_tmo, 10, 1, 255, | |
3159 | "Milliseconds driver will wait between polling FCP ring"); | |
3160 | ||
4ff43246 JS |
3161 | /* |
3162 | # lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that | |
3163 | # support this feature | |
8605c46c | 3164 | # 0 = MSI disabled |
4ff43246 | 3165 | # 1 = MSI enabled |
8605c46c GK |
3166 | # 2 = MSI-X enabled (default) |
3167 | # Value range is [0,2]. Default value is 2. | |
4ff43246 | 3168 | */ |
8605c46c | 3169 | LPFC_ATTR_R(use_msi, 2, 0, 2, "Use Message Signaled Interrupts (1) or " |
db2378e0 | 3170 | "MSI-X (2), if possible"); |
4ff43246 | 3171 | |
da0436e9 JS |
3172 | /* |
3173 | # lpfc_fcp_imax: Set the maximum number of fast-path FCP interrupts per second | |
3174 | # | |
3175 | # Value range is [636,651042]. Default value is 10000. | |
3176 | */ | |
3177 | LPFC_ATTR_R(fcp_imax, LPFC_FP_DEF_IMAX, LPFC_MIM_IMAX, LPFC_DMULT_CONST, | |
3178 | "Set the maximum number of fast-path FCP interrupts per second"); | |
3179 | ||
3180 | /* | |
3181 | # lpfc_fcp_wq_count: Set the number of fast-path FCP work queues | |
3182 | # | |
3183 | # Value range is [1,31]. Default value is 4. | |
3184 | */ | |
3185 | LPFC_ATTR_R(fcp_wq_count, LPFC_FP_WQN_DEF, LPFC_FP_WQN_MIN, LPFC_FP_WQN_MAX, | |
3186 | "Set the number of fast-path FCP work queues, if possible"); | |
3187 | ||
3188 | /* | |
3189 | # lpfc_fcp_eq_count: Set the number of fast-path FCP event queues | |
3190 | # | |
3191 | # Value range is [1,7]. Default value is 1. | |
3192 | */ | |
3193 | LPFC_ATTR_R(fcp_eq_count, LPFC_FP_EQN_DEF, LPFC_FP_EQN_MIN, LPFC_FP_EQN_MAX, | |
3194 | "Set the number of fast-path FCP event queues, if possible"); | |
3195 | ||
13815c83 JS |
3196 | /* |
3197 | # lpfc_enable_hba_reset: Allow or prevent HBA resets to the hardware. | |
3198 | # 0 = HBA resets disabled | |
3199 | # 1 = HBA resets enabled (default) | |
3200 | # Value range is [0,1]. Default value is 1. | |
3201 | */ | |
3202 | LPFC_ATTR_R(enable_hba_reset, 1, 0, 1, "Enable HBA resets from the driver."); | |
c3f28afa | 3203 | |
13815c83 JS |
3204 | /* |
3205 | # lpfc_enable_hba_heartbeat: Enable HBA heartbeat timer.. | |
3206 | # 0 = HBA Heartbeat disabled | |
3207 | # 1 = HBA Heartbeat enabled (default) | |
3208 | # Value range is [0,1]. Default value is 1. | |
3209 | */ | |
3210 | LPFC_ATTR_R(enable_hba_heartbeat, 1, 0, 1, "Enable HBA Heartbeat."); | |
92d7f7b0 | 3211 | |
81301a9b JS |
3212 | /* |
3213 | # lpfc_enable_bg: Enable BlockGuard (Emulex's Implementation of T10-DIF) | |
3214 | # 0 = BlockGuard disabled (default) | |
3215 | # 1 = BlockGuard enabled | |
3216 | # Value range is [0,1]. Default value is 0. | |
3217 | */ | |
3218 | LPFC_ATTR_R(enable_bg, 0, 0, 1, "Enable BlockGuard Support"); | |
3219 | ||
81301a9b JS |
3220 | /* |
3221 | # lpfc_prot_mask: i | |
3222 | # - Bit mask of host protection capabilities used to register with the | |
3223 | # SCSI mid-layer | |
3224 | # - Only meaningful if BG is turned on (lpfc_enable_bg=1). | |
3225 | # - Allows you to ultimately specify which profiles to use | |
3226 | # - Default will result in registering capabilities for all profiles. | |
3227 | # | |
3228 | */ | |
3229 | unsigned int lpfc_prot_mask = SHOST_DIX_TYPE0_PROTECTION; | |
3230 | ||
3231 | module_param(lpfc_prot_mask, uint, 0); | |
3232 | MODULE_PARM_DESC(lpfc_prot_mask, "host protection mask"); | |
3233 | ||
3234 | /* | |
3235 | # lpfc_prot_guard: i | |
3236 | # - Bit mask of protection guard types to register with the SCSI mid-layer | |
3237 | # - Guard types are currently either 1) IP checksum 2) T10-DIF CRC | |
3238 | # - Allows you to ultimately specify which profiles to use | |
3239 | # - Default will result in registering capabilities for all guard types | |
3240 | # | |
3241 | */ | |
3242 | unsigned char lpfc_prot_guard = SHOST_DIX_GUARD_IP; | |
3243 | module_param(lpfc_prot_guard, byte, 0); | |
3244 | MODULE_PARM_DESC(lpfc_prot_guard, "host protection guard type"); | |
3245 | ||
3246 | ||
83108bd3 | 3247 | /* |
3621a710 | 3248 | * lpfc_sg_seg_cnt - Initial Maximum DMA Segment Count |
83108bd3 JS |
3249 | * This value can be set to values between 64 and 256. The default value is |
3250 | * 64, but may be increased to allow for larger Max I/O sizes. The scsi layer | |
3251 | * will be allowed to request I/Os of sizes up to (MAX_SEG_COUNT * SEG_SIZE). | |
3252 | */ | |
3253 | LPFC_ATTR_R(sg_seg_cnt, LPFC_DEFAULT_SG_SEG_CNT, LPFC_DEFAULT_SG_SEG_CNT, | |
3254 | LPFC_MAX_SG_SEG_CNT, "Max Scatter Gather Segment Count"); | |
3255 | ||
81301a9b JS |
3256 | LPFC_ATTR_R(prot_sg_seg_cnt, LPFC_DEFAULT_PROT_SG_SEG_CNT, |
3257 | LPFC_DEFAULT_PROT_SG_SEG_CNT, LPFC_MAX_PROT_SG_SEG_CNT, | |
3258 | "Max Protection Scatter Gather Segment Count"); | |
3259 | ||
ee959b00 | 3260 | struct device_attribute *lpfc_hba_attrs[] = { |
81301a9b JS |
3261 | &dev_attr_bg_info, |
3262 | &dev_attr_bg_guard_err, | |
3263 | &dev_attr_bg_apptag_err, | |
3264 | &dev_attr_bg_reftag_err, | |
ee959b00 TJ |
3265 | &dev_attr_info, |
3266 | &dev_attr_serialnum, | |
3267 | &dev_attr_modeldesc, | |
3268 | &dev_attr_modelname, | |
3269 | &dev_attr_programtype, | |
3270 | &dev_attr_portnum, | |
3271 | &dev_attr_fwrev, | |
3272 | &dev_attr_hdw, | |
3273 | &dev_attr_option_rom_version, | |
bbd1ae41 | 3274 | &dev_attr_link_state, |
ee959b00 | 3275 | &dev_attr_num_discovered_ports, |
84774a4d | 3276 | &dev_attr_menlo_mgmt_mode, |
ee959b00 | 3277 | &dev_attr_lpfc_drvr_version, |
45ed1190 | 3278 | &dev_attr_lpfc_enable_fip, |
ee959b00 TJ |
3279 | &dev_attr_lpfc_temp_sensor, |
3280 | &dev_attr_lpfc_log_verbose, | |
3281 | &dev_attr_lpfc_lun_queue_depth, | |
3282 | &dev_attr_lpfc_hba_queue_depth, | |
3283 | &dev_attr_lpfc_peer_port_login, | |
3284 | &dev_attr_lpfc_nodev_tmo, | |
3285 | &dev_attr_lpfc_devloss_tmo, | |
3286 | &dev_attr_lpfc_fcp_class, | |
3287 | &dev_attr_lpfc_use_adisc, | |
3288 | &dev_attr_lpfc_ack0, | |
3289 | &dev_attr_lpfc_topology, | |
3290 | &dev_attr_lpfc_scan_down, | |
3291 | &dev_attr_lpfc_link_speed, | |
3292 | &dev_attr_lpfc_cr_delay, | |
3293 | &dev_attr_lpfc_cr_count, | |
3294 | &dev_attr_lpfc_multi_ring_support, | |
3295 | &dev_attr_lpfc_multi_ring_rctl, | |
3296 | &dev_attr_lpfc_multi_ring_type, | |
3297 | &dev_attr_lpfc_fdmi_on, | |
3298 | &dev_attr_lpfc_max_luns, | |
3299 | &dev_attr_lpfc_enable_npiv, | |
3300 | &dev_attr_nport_evt_cnt, | |
3301 | &dev_attr_board_mode, | |
3302 | &dev_attr_max_vpi, | |
3303 | &dev_attr_used_vpi, | |
3304 | &dev_attr_max_rpi, | |
3305 | &dev_attr_used_rpi, | |
3306 | &dev_attr_max_xri, | |
3307 | &dev_attr_used_xri, | |
3308 | &dev_attr_npiv_info, | |
3309 | &dev_attr_issue_reset, | |
3310 | &dev_attr_lpfc_poll, | |
3311 | &dev_attr_lpfc_poll_tmo, | |
3312 | &dev_attr_lpfc_use_msi, | |
da0436e9 JS |
3313 | &dev_attr_lpfc_fcp_imax, |
3314 | &dev_attr_lpfc_fcp_wq_count, | |
3315 | &dev_attr_lpfc_fcp_eq_count, | |
81301a9b | 3316 | &dev_attr_lpfc_enable_bg, |
ee959b00 TJ |
3317 | &dev_attr_lpfc_soft_wwnn, |
3318 | &dev_attr_lpfc_soft_wwpn, | |
3319 | &dev_attr_lpfc_soft_wwn_enable, | |
3320 | &dev_attr_lpfc_enable_hba_reset, | |
3321 | &dev_attr_lpfc_enable_hba_heartbeat, | |
3322 | &dev_attr_lpfc_sg_seg_cnt, | |
977b5a0a | 3323 | &dev_attr_lpfc_max_scsicmpl_time, |
ea2151b4 | 3324 | &dev_attr_lpfc_stat_data_ctrl, |
81301a9b | 3325 | &dev_attr_lpfc_prot_sg_seg_cnt, |
0d878419 JS |
3326 | &dev_attr_lpfc_aer_support, |
3327 | &dev_attr_lpfc_aer_state_cleanup, | |
84d1b006 | 3328 | &dev_attr_lpfc_suppress_link_up, |
dea3101e | 3329 | NULL, |
3330 | }; | |
3331 | ||
ee959b00 TJ |
3332 | struct device_attribute *lpfc_vport_attrs[] = { |
3333 | &dev_attr_info, | |
bbd1ae41 | 3334 | &dev_attr_link_state, |
ee959b00 TJ |
3335 | &dev_attr_num_discovered_ports, |
3336 | &dev_attr_lpfc_drvr_version, | |
3337 | &dev_attr_lpfc_log_verbose, | |
3338 | &dev_attr_lpfc_lun_queue_depth, | |
3339 | &dev_attr_lpfc_nodev_tmo, | |
3340 | &dev_attr_lpfc_devloss_tmo, | |
3341 | &dev_attr_lpfc_hba_queue_depth, | |
3342 | &dev_attr_lpfc_peer_port_login, | |
3343 | &dev_attr_lpfc_restrict_login, | |
3344 | &dev_attr_lpfc_fcp_class, | |
3345 | &dev_attr_lpfc_use_adisc, | |
3346 | &dev_attr_lpfc_fdmi_on, | |
3347 | &dev_attr_lpfc_max_luns, | |
3348 | &dev_attr_nport_evt_cnt, | |
3349 | &dev_attr_npiv_info, | |
3350 | &dev_attr_lpfc_enable_da_id, | |
ea2151b4 JS |
3351 | &dev_attr_lpfc_max_scsicmpl_time, |
3352 | &dev_attr_lpfc_stat_data_ctrl, | |
21e9a0a5 | 3353 | &dev_attr_lpfc_static_vport, |
3de2a653 JS |
3354 | NULL, |
3355 | }; | |
3356 | ||
e59058c4 | 3357 | /** |
3621a710 | 3358 | * sysfs_ctlreg_write - Write method for writing to ctlreg |
e59058c4 JS |
3359 | * @kobj: kernel kobject that contains the kernel class device. |
3360 | * @bin_attr: kernel attributes passed to us. | |
3361 | * @buf: contains the data to be written to the adapter IOREG space. | |
3362 | * @off: offset into buffer to beginning of data. | |
3363 | * @count: bytes to transfer. | |
3364 | * | |
3365 | * Description: | |
3366 | * Accessed via /sys/class/scsi_host/hostxxx/ctlreg. | |
3367 | * Uses the adapter io control registers to send buf contents to the adapter. | |
3368 | * | |
3369 | * Returns: | |
3370 | * -ERANGE off and count combo out of range | |
3371 | * -EINVAL off, count or buff address invalid | |
3372 | * -EPERM adapter is offline | |
3373 | * value of count, buf contents written | |
3374 | **/ | |
dea3101e | 3375 | static ssize_t |
91a69029 ZR |
3376 | sysfs_ctlreg_write(struct kobject *kobj, struct bin_attribute *bin_attr, |
3377 | char *buf, loff_t off, size_t count) | |
dea3101e | 3378 | { |
3379 | size_t buf_off; | |
ee959b00 TJ |
3380 | struct device *dev = container_of(kobj, struct device, kobj); |
3381 | struct Scsi_Host *shost = class_to_shost(dev); | |
2e0fef85 JS |
3382 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3383 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 3384 | |
f1126688 JS |
3385 | if (phba->sli_rev >= LPFC_SLI_REV4) |
3386 | return -EPERM; | |
3387 | ||
dea3101e | 3388 | if ((off + count) > FF_REG_AREA_SIZE) |
3389 | return -ERANGE; | |
3390 | ||
3391 | if (count == 0) return 0; | |
3392 | ||
3393 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
3394 | return -EINVAL; | |
3395 | ||
2e0fef85 | 3396 | if (!(vport->fc_flag & FC_OFFLINE_MODE)) { |
dea3101e | 3397 | return -EPERM; |
3398 | } | |
3399 | ||
2e0fef85 | 3400 | spin_lock_irq(&phba->hbalock); |
dea3101e | 3401 | for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) |
3402 | writel(*((uint32_t *)(buf + buf_off)), | |
3403 | phba->ctrl_regs_memmap_p + off + buf_off); | |
3404 | ||
2e0fef85 | 3405 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3406 | |
3407 | return count; | |
3408 | } | |
3409 | ||
e59058c4 | 3410 | /** |
3621a710 | 3411 | * sysfs_ctlreg_read - Read method for reading from ctlreg |
e59058c4 JS |
3412 | * @kobj: kernel kobject that contains the kernel class device. |
3413 | * @bin_attr: kernel attributes passed to us. | |
af901ca1 | 3414 | * @buf: if successful contains the data from the adapter IOREG space. |
e59058c4 JS |
3415 | * @off: offset into buffer to beginning of data. |
3416 | * @count: bytes to transfer. | |
3417 | * | |
3418 | * Description: | |
3419 | * Accessed via /sys/class/scsi_host/hostxxx/ctlreg. | |
3420 | * Uses the adapter io control registers to read data into buf. | |
3421 | * | |
3422 | * Returns: | |
3423 | * -ERANGE off and count combo out of range | |
3424 | * -EINVAL off, count or buff address invalid | |
3425 | * value of count, buf contents read | |
3426 | **/ | |
dea3101e | 3427 | static ssize_t |
91a69029 ZR |
3428 | sysfs_ctlreg_read(struct kobject *kobj, struct bin_attribute *bin_attr, |
3429 | char *buf, loff_t off, size_t count) | |
dea3101e | 3430 | { |
3431 | size_t buf_off; | |
3432 | uint32_t * tmp_ptr; | |
ee959b00 TJ |
3433 | struct device *dev = container_of(kobj, struct device, kobj); |
3434 | struct Scsi_Host *shost = class_to_shost(dev); | |
2e0fef85 JS |
3435 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3436 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 3437 | |
f1126688 JS |
3438 | if (phba->sli_rev >= LPFC_SLI_REV4) |
3439 | return -EPERM; | |
3440 | ||
dea3101e | 3441 | if (off > FF_REG_AREA_SIZE) |
3442 | return -ERANGE; | |
3443 | ||
3444 | if ((off + count) > FF_REG_AREA_SIZE) | |
3445 | count = FF_REG_AREA_SIZE - off; | |
3446 | ||
3447 | if (count == 0) return 0; | |
3448 | ||
3449 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
3450 | return -EINVAL; | |
3451 | ||
2e0fef85 | 3452 | spin_lock_irq(&phba->hbalock); |
dea3101e | 3453 | |
3454 | for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) { | |
3455 | tmp_ptr = (uint32_t *)(buf + buf_off); | |
3456 | *tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off); | |
3457 | } | |
3458 | ||
2e0fef85 | 3459 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3460 | |
3461 | return count; | |
3462 | } | |
3463 | ||
3464 | static struct bin_attribute sysfs_ctlreg_attr = { | |
3465 | .attr = { | |
3466 | .name = "ctlreg", | |
3467 | .mode = S_IRUSR | S_IWUSR, | |
dea3101e | 3468 | }, |
3469 | .size = 256, | |
3470 | .read = sysfs_ctlreg_read, | |
3471 | .write = sysfs_ctlreg_write, | |
3472 | }; | |
3473 | ||
e59058c4 | 3474 | /** |
3621a710 | 3475 | * sysfs_mbox_idle - frees the sysfs mailbox |
e59058c4 JS |
3476 | * @phba: lpfc_hba pointer |
3477 | **/ | |
dea3101e | 3478 | static void |
2e0fef85 | 3479 | sysfs_mbox_idle(struct lpfc_hba *phba) |
dea3101e | 3480 | { |
3481 | phba->sysfs_mbox.state = SMBOX_IDLE; | |
3482 | phba->sysfs_mbox.offset = 0; | |
3483 | ||
3484 | if (phba->sysfs_mbox.mbox) { | |
3485 | mempool_free(phba->sysfs_mbox.mbox, | |
3486 | phba->mbox_mem_pool); | |
3487 | phba->sysfs_mbox.mbox = NULL; | |
3488 | } | |
3489 | } | |
3490 | ||
e59058c4 | 3491 | /** |
3621a710 | 3492 | * sysfs_mbox_write - Write method for writing information via mbox |
e59058c4 JS |
3493 | * @kobj: kernel kobject that contains the kernel class device. |
3494 | * @bin_attr: kernel attributes passed to us. | |
3495 | * @buf: contains the data to be written to sysfs mbox. | |
3496 | * @off: offset into buffer to beginning of data. | |
3497 | * @count: bytes to transfer. | |
3498 | * | |
3499 | * Description: | |
3500 | * Accessed via /sys/class/scsi_host/hostxxx/mbox. | |
3501 | * Uses the sysfs mbox to send buf contents to the adapter. | |
3502 | * | |
3503 | * Returns: | |
3504 | * -ERANGE off and count combo out of range | |
3505 | * -EINVAL off, count or buff address invalid | |
3506 | * zero if count is zero | |
3507 | * -EPERM adapter is offline | |
3508 | * -ENOMEM failed to allocate memory for the mail box | |
3509 | * -EAGAIN offset, state or mbox is NULL | |
3510 | * count number of bytes transferred | |
3511 | **/ | |
dea3101e | 3512 | static ssize_t |
91a69029 ZR |
3513 | sysfs_mbox_write(struct kobject *kobj, struct bin_attribute *bin_attr, |
3514 | char *buf, loff_t off, size_t count) | |
dea3101e | 3515 | { |
ee959b00 TJ |
3516 | struct device *dev = container_of(kobj, struct device, kobj); |
3517 | struct Scsi_Host *shost = class_to_shost(dev); | |
2e0fef85 JS |
3518 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3519 | struct lpfc_hba *phba = vport->phba; | |
3520 | struct lpfcMboxq *mbox = NULL; | |
dea3101e | 3521 | |
3522 | if ((count + off) > MAILBOX_CMD_SIZE) | |
3523 | return -ERANGE; | |
3524 | ||
3525 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
3526 | return -EINVAL; | |
3527 | ||
3528 | if (count == 0) | |
3529 | return 0; | |
3530 | ||
3531 | if (off == 0) { | |
3532 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
3533 | if (!mbox) | |
3534 | return -ENOMEM; | |
fc6c12bc | 3535 | memset(mbox, 0, sizeof (LPFC_MBOXQ_t)); |
dea3101e | 3536 | } |
3537 | ||
2e0fef85 | 3538 | spin_lock_irq(&phba->hbalock); |
dea3101e | 3539 | |
3540 | if (off == 0) { | |
3541 | if (phba->sysfs_mbox.mbox) | |
3542 | mempool_free(mbox, phba->mbox_mem_pool); | |
3543 | else | |
3544 | phba->sysfs_mbox.mbox = mbox; | |
3545 | phba->sysfs_mbox.state = SMBOX_WRITING; | |
3546 | } else { | |
3547 | if (phba->sysfs_mbox.state != SMBOX_WRITING || | |
3548 | phba->sysfs_mbox.offset != off || | |
92d7f7b0 | 3549 | phba->sysfs_mbox.mbox == NULL) { |
dea3101e | 3550 | sysfs_mbox_idle(phba); |
2e0fef85 | 3551 | spin_unlock_irq(&phba->hbalock); |
8f6d98d2 | 3552 | return -EAGAIN; |
dea3101e | 3553 | } |
3554 | } | |
3555 | ||
04c68496 | 3556 | memcpy((uint8_t *) &phba->sysfs_mbox.mbox->u.mb + off, |
dea3101e | 3557 | buf, count); |
3558 | ||
3559 | phba->sysfs_mbox.offset = off + count; | |
3560 | ||
2e0fef85 | 3561 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3562 | |
3563 | return count; | |
3564 | } | |
3565 | ||
e59058c4 | 3566 | /** |
3621a710 | 3567 | * sysfs_mbox_read - Read method for reading information via mbox |
e59058c4 JS |
3568 | * @kobj: kernel kobject that contains the kernel class device. |
3569 | * @bin_attr: kernel attributes passed to us. | |
3570 | * @buf: contains the data to be read from sysfs mbox. | |
3571 | * @off: offset into buffer to beginning of data. | |
3572 | * @count: bytes to transfer. | |
3573 | * | |
3574 | * Description: | |
3575 | * Accessed via /sys/class/scsi_host/hostxxx/mbox. | |
3576 | * Uses the sysfs mbox to receive data from to the adapter. | |
3577 | * | |
3578 | * Returns: | |
3579 | * -ERANGE off greater than mailbox command size | |
3580 | * -EINVAL off, count or buff address invalid | |
3581 | * zero if off and count are zero | |
3582 | * -EACCES adapter over temp | |
3583 | * -EPERM garbage can value to catch a multitude of errors | |
3584 | * -EAGAIN management IO not permitted, state or off error | |
3585 | * -ETIME mailbox timeout | |
3586 | * -ENODEV mailbox error | |
3587 | * count number of bytes transferred | |
3588 | **/ | |
dea3101e | 3589 | static ssize_t |
91a69029 ZR |
3590 | sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr, |
3591 | char *buf, loff_t off, size_t count) | |
dea3101e | 3592 | { |
ee959b00 TJ |
3593 | struct device *dev = container_of(kobj, struct device, kobj); |
3594 | struct Scsi_Host *shost = class_to_shost(dev); | |
2e0fef85 JS |
3595 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3596 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 3597 | int rc; |
04c68496 | 3598 | MAILBOX_t *pmb; |
dea3101e | 3599 | |
1dcb58e5 | 3600 | if (off > MAILBOX_CMD_SIZE) |
dea3101e | 3601 | return -ERANGE; |
3602 | ||
1dcb58e5 JS |
3603 | if ((count + off) > MAILBOX_CMD_SIZE) |
3604 | count = MAILBOX_CMD_SIZE - off; | |
dea3101e | 3605 | |
3606 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
3607 | return -EINVAL; | |
3608 | ||
3609 | if (off && count == 0) | |
3610 | return 0; | |
3611 | ||
2e0fef85 | 3612 | spin_lock_irq(&phba->hbalock); |
dea3101e | 3613 | |
7af67051 JS |
3614 | if (phba->over_temp_state == HBA_OVER_TEMP) { |
3615 | sysfs_mbox_idle(phba); | |
3616 | spin_unlock_irq(&phba->hbalock); | |
09372820 | 3617 | return -EACCES; |
7af67051 JS |
3618 | } |
3619 | ||
dea3101e | 3620 | if (off == 0 && |
3621 | phba->sysfs_mbox.state == SMBOX_WRITING && | |
3622 | phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) { | |
04c68496 JS |
3623 | pmb = &phba->sysfs_mbox.mbox->u.mb; |
3624 | switch (pmb->mbxCommand) { | |
dea3101e | 3625 | /* Offline only */ |
dea3101e | 3626 | case MBX_INIT_LINK: |
3627 | case MBX_DOWN_LINK: | |
3628 | case MBX_CONFIG_LINK: | |
3629 | case MBX_CONFIG_RING: | |
3630 | case MBX_RESET_RING: | |
3631 | case MBX_UNREG_LOGIN: | |
3632 | case MBX_CLEAR_LA: | |
3633 | case MBX_DUMP_CONTEXT: | |
3634 | case MBX_RUN_DIAGS: | |
3635 | case MBX_RESTART: | |
dea3101e | 3636 | case MBX_SET_MASK: |
dea3101e | 3637 | case MBX_SET_DEBUG: |
2e0fef85 | 3638 | if (!(vport->fc_flag & FC_OFFLINE_MODE)) { |
dea3101e | 3639 | printk(KERN_WARNING "mbox_read:Command 0x%x " |
3640 | "is illegal in on-line state\n", | |
04c68496 | 3641 | pmb->mbxCommand); |
dea3101e | 3642 | sysfs_mbox_idle(phba); |
2e0fef85 | 3643 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3644 | return -EPERM; |
3645 | } | |
a8adb832 JS |
3646 | case MBX_WRITE_NV: |
3647 | case MBX_WRITE_VPARMS: | |
dea3101e | 3648 | case MBX_LOAD_SM: |
3649 | case MBX_READ_NV: | |
3650 | case MBX_READ_CONFIG: | |
3651 | case MBX_READ_RCONFIG: | |
3652 | case MBX_READ_STATUS: | |
3653 | case MBX_READ_XRI: | |
3654 | case MBX_READ_REV: | |
3655 | case MBX_READ_LNK_STAT: | |
3656 | case MBX_DUMP_MEMORY: | |
3657 | case MBX_DOWN_LOAD: | |
3658 | case MBX_UPDATE_CFG: | |
41415862 | 3659 | case MBX_KILL_BOARD: |
dea3101e | 3660 | case MBX_LOAD_AREA: |
3661 | case MBX_LOAD_EXP_ROM: | |
41415862 JW |
3662 | case MBX_BEACON: |
3663 | case MBX_DEL_LD_ENTRY: | |
09372820 JS |
3664 | case MBX_SET_VARIABLE: |
3665 | case MBX_WRITE_WWN: | |
84774a4d JS |
3666 | case MBX_PORT_CAPABILITIES: |
3667 | case MBX_PORT_IOV_CONTROL: | |
dea3101e | 3668 | break; |
3669 | case MBX_READ_SPARM64: | |
3670 | case MBX_READ_LA: | |
3671 | case MBX_READ_LA64: | |
3672 | case MBX_REG_LOGIN: | |
3673 | case MBX_REG_LOGIN64: | |
3674 | case MBX_CONFIG_PORT: | |
3675 | case MBX_RUN_BIU_DIAG: | |
3676 | printk(KERN_WARNING "mbox_read: Illegal Command 0x%x\n", | |
04c68496 | 3677 | pmb->mbxCommand); |
dea3101e | 3678 | sysfs_mbox_idle(phba); |
2e0fef85 | 3679 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3680 | return -EPERM; |
3681 | default: | |
3682 | printk(KERN_WARNING "mbox_read: Unknown Command 0x%x\n", | |
04c68496 | 3683 | pmb->mbxCommand); |
dea3101e | 3684 | sysfs_mbox_idle(phba); |
2e0fef85 | 3685 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3686 | return -EPERM; |
3687 | } | |
3688 | ||
09372820 | 3689 | /* If HBA encountered an error attention, allow only DUMP |
1b32f6aa | 3690 | * or RESTART mailbox commands until the HBA is restarted. |
09372820 | 3691 | */ |
d7c255b2 | 3692 | if (phba->pport->stopped && |
04c68496 JS |
3693 | pmb->mbxCommand != MBX_DUMP_MEMORY && |
3694 | pmb->mbxCommand != MBX_RESTART && | |
3695 | pmb->mbxCommand != MBX_WRITE_VPARMS && | |
3696 | pmb->mbxCommand != MBX_WRITE_WWN) | |
d7c255b2 JS |
3697 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, |
3698 | "1259 mbox: Issued mailbox cmd " | |
3699 | "0x%x while in stopped state.\n", | |
04c68496 | 3700 | pmb->mbxCommand); |
09372820 | 3701 | |
92d7f7b0 JS |
3702 | phba->sysfs_mbox.mbox->vport = vport; |
3703 | ||
58da1ffb JS |
3704 | /* Don't allow mailbox commands to be sent when blocked |
3705 | * or when in the middle of discovery | |
3706 | */ | |
495a714c | 3707 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) { |
46fa311e | 3708 | sysfs_mbox_idle(phba); |
2e0fef85 | 3709 | spin_unlock_irq(&phba->hbalock); |
46fa311e JS |
3710 | return -EAGAIN; |
3711 | } | |
3712 | ||
2e0fef85 | 3713 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
f4b4c68f | 3714 | (!(phba->sli.sli_flag & LPFC_SLI_ACTIVE))) { |
dea3101e | 3715 | |
2e0fef85 | 3716 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3717 | rc = lpfc_sli_issue_mbox (phba, |
3718 | phba->sysfs_mbox.mbox, | |
3719 | MBX_POLL); | |
2e0fef85 | 3720 | spin_lock_irq(&phba->hbalock); |
dea3101e | 3721 | |
3722 | } else { | |
2e0fef85 | 3723 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3724 | rc = lpfc_sli_issue_mbox_wait (phba, |
3725 | phba->sysfs_mbox.mbox, | |
04c68496 | 3726 | lpfc_mbox_tmo_val(phba, pmb->mbxCommand) * HZ); |
2e0fef85 | 3727 | spin_lock_irq(&phba->hbalock); |
dea3101e | 3728 | } |
3729 | ||
3730 | if (rc != MBX_SUCCESS) { | |
1dcb58e5 | 3731 | if (rc == MBX_TIMEOUT) { |
1dcb58e5 JS |
3732 | phba->sysfs_mbox.mbox = NULL; |
3733 | } | |
dea3101e | 3734 | sysfs_mbox_idle(phba); |
2e0fef85 | 3735 | spin_unlock_irq(&phba->hbalock); |
8f6d98d2 | 3736 | return (rc == MBX_TIMEOUT) ? -ETIME : -ENODEV; |
dea3101e | 3737 | } |
3738 | phba->sysfs_mbox.state = SMBOX_READING; | |
3739 | } | |
3740 | else if (phba->sysfs_mbox.offset != off || | |
3741 | phba->sysfs_mbox.state != SMBOX_READING) { | |
3742 | printk(KERN_WARNING "mbox_read: Bad State\n"); | |
3743 | sysfs_mbox_idle(phba); | |
2e0fef85 | 3744 | spin_unlock_irq(&phba->hbalock); |
8f6d98d2 | 3745 | return -EAGAIN; |
dea3101e | 3746 | } |
3747 | ||
04c68496 | 3748 | memcpy(buf, (uint8_t *) &pmb + off, count); |
dea3101e | 3749 | |
3750 | phba->sysfs_mbox.offset = off + count; | |
3751 | ||
1dcb58e5 | 3752 | if (phba->sysfs_mbox.offset == MAILBOX_CMD_SIZE) |
dea3101e | 3753 | sysfs_mbox_idle(phba); |
3754 | ||
2e0fef85 | 3755 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3756 | |
3757 | return count; | |
3758 | } | |
3759 | ||
3760 | static struct bin_attribute sysfs_mbox_attr = { | |
3761 | .attr = { | |
3762 | .name = "mbox", | |
3763 | .mode = S_IRUSR | S_IWUSR, | |
dea3101e | 3764 | }, |
1dcb58e5 | 3765 | .size = MAILBOX_CMD_SIZE, |
dea3101e | 3766 | .read = sysfs_mbox_read, |
3767 | .write = sysfs_mbox_write, | |
3768 | }; | |
3769 | ||
e59058c4 | 3770 | /** |
3621a710 | 3771 | * lpfc_alloc_sysfs_attr - Creates the ctlreg and mbox entries |
e59058c4 JS |
3772 | * @vport: address of lpfc vport structure. |
3773 | * | |
3774 | * Return codes: | |
3775 | * zero on success | |
3776 | * error return code from sysfs_create_bin_file() | |
3777 | **/ | |
dea3101e | 3778 | int |
2e0fef85 | 3779 | lpfc_alloc_sysfs_attr(struct lpfc_vport *vport) |
dea3101e | 3780 | { |
2e0fef85 | 3781 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 3782 | int error; |
3783 | ||
ee959b00 | 3784 | error = sysfs_create_bin_file(&shost->shost_dev.kobj, |
eada272d JS |
3785 | &sysfs_drvr_stat_data_attr); |
3786 | ||
3787 | /* Virtual ports do not need ctrl_reg and mbox */ | |
3788 | if (error || vport->port_type == LPFC_NPIV_PORT) | |
dea3101e | 3789 | goto out; |
3790 | ||
ee959b00 | 3791 | error = sysfs_create_bin_file(&shost->shost_dev.kobj, |
eada272d | 3792 | &sysfs_ctlreg_attr); |
dea3101e | 3793 | if (error) |
eada272d | 3794 | goto out_remove_stat_attr; |
dea3101e | 3795 | |
ea2151b4 | 3796 | error = sysfs_create_bin_file(&shost->shost_dev.kobj, |
eada272d | 3797 | &sysfs_mbox_attr); |
ea2151b4 | 3798 | if (error) |
eada272d | 3799 | goto out_remove_ctlreg_attr; |
ea2151b4 | 3800 | |
dea3101e | 3801 | return 0; |
3802 | out_remove_ctlreg_attr: | |
ee959b00 | 3803 | sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr); |
eada272d JS |
3804 | out_remove_stat_attr: |
3805 | sysfs_remove_bin_file(&shost->shost_dev.kobj, | |
3806 | &sysfs_drvr_stat_data_attr); | |
dea3101e | 3807 | out: |
3808 | return error; | |
3809 | } | |
3810 | ||
e59058c4 | 3811 | /** |
3621a710 | 3812 | * lpfc_free_sysfs_attr - Removes the ctlreg and mbox entries |
e59058c4 JS |
3813 | * @vport: address of lpfc vport structure. |
3814 | **/ | |
dea3101e | 3815 | void |
2e0fef85 | 3816 | lpfc_free_sysfs_attr(struct lpfc_vport *vport) |
dea3101e | 3817 | { |
2e0fef85 | 3818 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
ea2151b4 JS |
3819 | sysfs_remove_bin_file(&shost->shost_dev.kobj, |
3820 | &sysfs_drvr_stat_data_attr); | |
eada272d JS |
3821 | /* Virtual ports do not need ctrl_reg and mbox */ |
3822 | if (vport->port_type == LPFC_NPIV_PORT) | |
3823 | return; | |
ee959b00 TJ |
3824 | sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_mbox_attr); |
3825 | sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr); | |
dea3101e | 3826 | } |
3827 | ||
3828 | ||
3829 | /* | |
3830 | * Dynamic FC Host Attributes Support | |
3831 | */ | |
3832 | ||
e59058c4 | 3833 | /** |
3621a710 | 3834 | * lpfc_get_host_port_id - Copy the vport DID into the scsi host port id |
e59058c4 JS |
3835 | * @shost: kernel scsi host pointer. |
3836 | **/ | |
dea3101e | 3837 | static void |
3838 | lpfc_get_host_port_id(struct Scsi_Host *shost) | |
3839 | { | |
2e0fef85 JS |
3840 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3841 | ||
dea3101e | 3842 | /* note: fc_myDID already in cpu endianness */ |
2e0fef85 | 3843 | fc_host_port_id(shost) = vport->fc_myDID; |
dea3101e | 3844 | } |
3845 | ||
e59058c4 | 3846 | /** |
3621a710 | 3847 | * lpfc_get_host_port_type - Set the value of the scsi host port type |
e59058c4 JS |
3848 | * @shost: kernel scsi host pointer. |
3849 | **/ | |
dea3101e | 3850 | static void |
3851 | lpfc_get_host_port_type(struct Scsi_Host *shost) | |
3852 | { | |
2e0fef85 JS |
3853 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3854 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 3855 | |
3856 | spin_lock_irq(shost->host_lock); | |
3857 | ||
92d7f7b0 JS |
3858 | if (vport->port_type == LPFC_NPIV_PORT) { |
3859 | fc_host_port_type(shost) = FC_PORTTYPE_NPIV; | |
3860 | } else if (lpfc_is_link_up(phba)) { | |
dea3101e | 3861 | if (phba->fc_topology == TOPOLOGY_LOOP) { |
2e0fef85 | 3862 | if (vport->fc_flag & FC_PUBLIC_LOOP) |
dea3101e | 3863 | fc_host_port_type(shost) = FC_PORTTYPE_NLPORT; |
3864 | else | |
3865 | fc_host_port_type(shost) = FC_PORTTYPE_LPORT; | |
3866 | } else { | |
2e0fef85 | 3867 | if (vport->fc_flag & FC_FABRIC) |
dea3101e | 3868 | fc_host_port_type(shost) = FC_PORTTYPE_NPORT; |
3869 | else | |
3870 | fc_host_port_type(shost) = FC_PORTTYPE_PTP; | |
3871 | } | |
3872 | } else | |
3873 | fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN; | |
3874 | ||
3875 | spin_unlock_irq(shost->host_lock); | |
3876 | } | |
3877 | ||
e59058c4 | 3878 | /** |
3621a710 | 3879 | * lpfc_get_host_port_state - Set the value of the scsi host port state |
e59058c4 JS |
3880 | * @shost: kernel scsi host pointer. |
3881 | **/ | |
dea3101e | 3882 | static void |
3883 | lpfc_get_host_port_state(struct Scsi_Host *shost) | |
3884 | { | |
2e0fef85 JS |
3885 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3886 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 3887 | |
3888 | spin_lock_irq(shost->host_lock); | |
3889 | ||
2e0fef85 | 3890 | if (vport->fc_flag & FC_OFFLINE_MODE) |
dea3101e | 3891 | fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE; |
3892 | else { | |
2e0fef85 JS |
3893 | switch (phba->link_state) { |
3894 | case LPFC_LINK_UNKNOWN: | |
dea3101e | 3895 | case LPFC_LINK_DOWN: |
3896 | fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN; | |
3897 | break; | |
3898 | case LPFC_LINK_UP: | |
dea3101e | 3899 | case LPFC_CLEAR_LA: |
3900 | case LPFC_HBA_READY: | |
3901 | /* Links up, beyond this port_type reports state */ | |
3902 | fc_host_port_state(shost) = FC_PORTSTATE_ONLINE; | |
3903 | break; | |
3904 | case LPFC_HBA_ERROR: | |
3905 | fc_host_port_state(shost) = FC_PORTSTATE_ERROR; | |
3906 | break; | |
3907 | default: | |
3908 | fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN; | |
3909 | break; | |
3910 | } | |
3911 | } | |
3912 | ||
3913 | spin_unlock_irq(shost->host_lock); | |
3914 | } | |
3915 | ||
e59058c4 | 3916 | /** |
3621a710 | 3917 | * lpfc_get_host_speed - Set the value of the scsi host speed |
e59058c4 JS |
3918 | * @shost: kernel scsi host pointer. |
3919 | **/ | |
dea3101e | 3920 | static void |
3921 | lpfc_get_host_speed(struct Scsi_Host *shost) | |
3922 | { | |
2e0fef85 JS |
3923 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3924 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 3925 | |
3926 | spin_lock_irq(shost->host_lock); | |
3927 | ||
2e0fef85 | 3928 | if (lpfc_is_link_up(phba)) { |
dea3101e | 3929 | switch(phba->fc_linkspeed) { |
3930 | case LA_1GHZ_LINK: | |
3931 | fc_host_speed(shost) = FC_PORTSPEED_1GBIT; | |
3932 | break; | |
3933 | case LA_2GHZ_LINK: | |
3934 | fc_host_speed(shost) = FC_PORTSPEED_2GBIT; | |
3935 | break; | |
3936 | case LA_4GHZ_LINK: | |
3937 | fc_host_speed(shost) = FC_PORTSPEED_4GBIT; | |
3938 | break; | |
b87eab38 JS |
3939 | case LA_8GHZ_LINK: |
3940 | fc_host_speed(shost) = FC_PORTSPEED_8GBIT; | |
3941 | break; | |
f4b4c68f JS |
3942 | case LA_10GHZ_LINK: |
3943 | fc_host_speed(shost) = FC_PORTSPEED_10GBIT; | |
3944 | break; | |
dea3101e | 3945 | default: |
3946 | fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN; | |
3947 | break; | |
3948 | } | |
09372820 JS |
3949 | } else |
3950 | fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN; | |
dea3101e | 3951 | |
3952 | spin_unlock_irq(shost->host_lock); | |
3953 | } | |
3954 | ||
e59058c4 | 3955 | /** |
3621a710 | 3956 | * lpfc_get_host_fabric_name - Set the value of the scsi host fabric name |
e59058c4 JS |
3957 | * @shost: kernel scsi host pointer. |
3958 | **/ | |
dea3101e | 3959 | static void |
3960 | lpfc_get_host_fabric_name (struct Scsi_Host *shost) | |
3961 | { | |
2e0fef85 JS |
3962 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3963 | struct lpfc_hba *phba = vport->phba; | |
f631b4be | 3964 | u64 node_name; |
dea3101e | 3965 | |
3966 | spin_lock_irq(shost->host_lock); | |
3967 | ||
2e0fef85 | 3968 | if ((vport->fc_flag & FC_FABRIC) || |
dea3101e | 3969 | ((phba->fc_topology == TOPOLOGY_LOOP) && |
2e0fef85 | 3970 | (vport->fc_flag & FC_PUBLIC_LOOP))) |
68ce1eb5 | 3971 | node_name = wwn_to_u64(phba->fc_fabparam.nodeName.u.wwn); |
dea3101e | 3972 | else |
3973 | /* fabric is local port if there is no F/FL_Port */ | |
09372820 | 3974 | node_name = 0; |
dea3101e | 3975 | |
3976 | spin_unlock_irq(shost->host_lock); | |
3977 | ||
f631b4be | 3978 | fc_host_fabric_name(shost) = node_name; |
dea3101e | 3979 | } |
3980 | ||
e59058c4 | 3981 | /** |
3621a710 | 3982 | * lpfc_get_stats - Return statistical information about the adapter |
e59058c4 JS |
3983 | * @shost: kernel scsi host pointer. |
3984 | * | |
3985 | * Notes: | |
3986 | * NULL on error for link down, no mbox pool, sli2 active, | |
3987 | * management not allowed, memory allocation error, or mbox error. | |
3988 | * | |
3989 | * Returns: | |
3990 | * NULL for error | |
3991 | * address of the adapter host statistics | |
3992 | **/ | |
dea3101e | 3993 | static struct fc_host_statistics * |
3994 | lpfc_get_stats(struct Scsi_Host *shost) | |
3995 | { | |
2e0fef85 JS |
3996 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3997 | struct lpfc_hba *phba = vport->phba; | |
3998 | struct lpfc_sli *psli = &phba->sli; | |
f888ba3c | 3999 | struct fc_host_statistics *hs = &phba->link_stats; |
64ba8818 | 4000 | struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets; |
dea3101e | 4001 | LPFC_MBOXQ_t *pmboxq; |
4002 | MAILBOX_t *pmb; | |
64ba8818 | 4003 | unsigned long seconds; |
433c3579 | 4004 | int rc = 0; |
dea3101e | 4005 | |
92d7f7b0 JS |
4006 | /* |
4007 | * prevent udev from issuing mailbox commands until the port is | |
4008 | * configured. | |
4009 | */ | |
2e0fef85 JS |
4010 | if (phba->link_state < LPFC_LINK_DOWN || |
4011 | !phba->mbox_mem_pool || | |
f4b4c68f | 4012 | (phba->sli.sli_flag & LPFC_SLI_ACTIVE) == 0) |
92d7f7b0 | 4013 | return NULL; |
2e0fef85 JS |
4014 | |
4015 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) | |
46fa311e JS |
4016 | return NULL; |
4017 | ||
dea3101e | 4018 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
4019 | if (!pmboxq) | |
4020 | return NULL; | |
4021 | memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); | |
4022 | ||
04c68496 | 4023 | pmb = &pmboxq->u.mb; |
dea3101e | 4024 | pmb->mbxCommand = MBX_READ_STATUS; |
4025 | pmb->mbxOwner = OWN_HOST; | |
4026 | pmboxq->context1 = NULL; | |
92d7f7b0 | 4027 | pmboxq->vport = vport; |
dea3101e | 4028 | |
2e0fef85 | 4029 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
04c68496 | 4030 | (!(psli->sli_flag & LPFC_SLI_ACTIVE))) |
dea3101e | 4031 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
433c3579 | 4032 | else |
dea3101e | 4033 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); |
4034 | ||
4035 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 4036 | if (rc != MBX_TIMEOUT) |
433c3579 | 4037 | mempool_free(pmboxq, phba->mbox_mem_pool); |
dea3101e | 4038 | return NULL; |
4039 | } | |
4040 | ||
f888ba3c JSEC |
4041 | memset(hs, 0, sizeof (struct fc_host_statistics)); |
4042 | ||
dea3101e | 4043 | hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt; |
4044 | hs->tx_words = (pmb->un.varRdStatus.xmitByteCnt * 256); | |
4045 | hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt; | |
4046 | hs->rx_words = (pmb->un.varRdStatus.rcvByteCnt * 256); | |
4047 | ||
433c3579 | 4048 | memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); |
dea3101e | 4049 | pmb->mbxCommand = MBX_READ_LNK_STAT; |
4050 | pmb->mbxOwner = OWN_HOST; | |
4051 | pmboxq->context1 = NULL; | |
92d7f7b0 | 4052 | pmboxq->vport = vport; |
dea3101e | 4053 | |
2e0fef85 | 4054 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
f4b4c68f | 4055 | (!(psli->sli_flag & LPFC_SLI_ACTIVE))) |
dea3101e | 4056 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
433c3579 | 4057 | else |
dea3101e | 4058 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); |
4059 | ||
4060 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 4061 | if (rc != MBX_TIMEOUT) |
92d7f7b0 | 4062 | mempool_free(pmboxq, phba->mbox_mem_pool); |
dea3101e | 4063 | return NULL; |
4064 | } | |
4065 | ||
4066 | hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt; | |
4067 | hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt; | |
4068 | hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt; | |
4069 | hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt; | |
4070 | hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord; | |
4071 | hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt; | |
4072 | hs->error_frames = pmb->un.varRdLnk.crcCnt; | |
4073 | ||
64ba8818 JS |
4074 | hs->link_failure_count -= lso->link_failure_count; |
4075 | hs->loss_of_sync_count -= lso->loss_of_sync_count; | |
4076 | hs->loss_of_signal_count -= lso->loss_of_signal_count; | |
4077 | hs->prim_seq_protocol_err_count -= lso->prim_seq_protocol_err_count; | |
4078 | hs->invalid_tx_word_count -= lso->invalid_tx_word_count; | |
4079 | hs->invalid_crc_count -= lso->invalid_crc_count; | |
4080 | hs->error_frames -= lso->error_frames; | |
4081 | ||
4d9ab994 JS |
4082 | if (phba->hba_flag & HBA_FCOE_SUPPORT) { |
4083 | hs->lip_count = -1; | |
4084 | hs->nos_count = (phba->link_events >> 1); | |
4085 | hs->nos_count -= lso->link_events; | |
4086 | } else if (phba->fc_topology == TOPOLOGY_LOOP) { | |
dea3101e | 4087 | hs->lip_count = (phba->fc_eventTag >> 1); |
64ba8818 | 4088 | hs->lip_count -= lso->link_events; |
dea3101e | 4089 | hs->nos_count = -1; |
4090 | } else { | |
4091 | hs->lip_count = -1; | |
4092 | hs->nos_count = (phba->fc_eventTag >> 1); | |
64ba8818 | 4093 | hs->nos_count -= lso->link_events; |
dea3101e | 4094 | } |
4095 | ||
4096 | hs->dumped_frames = -1; | |
4097 | ||
64ba8818 JS |
4098 | seconds = get_seconds(); |
4099 | if (seconds < psli->stats_start) | |
4100 | hs->seconds_since_last_reset = seconds + | |
4101 | ((unsigned long)-1 - psli->stats_start); | |
4102 | else | |
4103 | hs->seconds_since_last_reset = seconds - psli->stats_start; | |
dea3101e | 4104 | |
1dcb58e5 JS |
4105 | mempool_free(pmboxq, phba->mbox_mem_pool); |
4106 | ||
dea3101e | 4107 | return hs; |
4108 | } | |
4109 | ||
e59058c4 | 4110 | /** |
3621a710 | 4111 | * lpfc_reset_stats - Copy the adapter link stats information |
e59058c4 JS |
4112 | * @shost: kernel scsi host pointer. |
4113 | **/ | |
64ba8818 JS |
4114 | static void |
4115 | lpfc_reset_stats(struct Scsi_Host *shost) | |
4116 | { | |
2e0fef85 JS |
4117 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
4118 | struct lpfc_hba *phba = vport->phba; | |
4119 | struct lpfc_sli *psli = &phba->sli; | |
4120 | struct lpfc_lnk_stat *lso = &psli->lnk_stat_offsets; | |
64ba8818 JS |
4121 | LPFC_MBOXQ_t *pmboxq; |
4122 | MAILBOX_t *pmb; | |
4123 | int rc = 0; | |
4124 | ||
2e0fef85 | 4125 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) |
46fa311e JS |
4126 | return; |
4127 | ||
64ba8818 JS |
4128 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
4129 | if (!pmboxq) | |
4130 | return; | |
4131 | memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t)); | |
4132 | ||
04c68496 | 4133 | pmb = &pmboxq->u.mb; |
64ba8818 JS |
4134 | pmb->mbxCommand = MBX_READ_STATUS; |
4135 | pmb->mbxOwner = OWN_HOST; | |
4136 | pmb->un.varWords[0] = 0x1; /* reset request */ | |
4137 | pmboxq->context1 = NULL; | |
92d7f7b0 | 4138 | pmboxq->vport = vport; |
64ba8818 | 4139 | |
2e0fef85 | 4140 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
f4b4c68f | 4141 | (!(psli->sli_flag & LPFC_SLI_ACTIVE))) |
64ba8818 JS |
4142 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
4143 | else | |
4144 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); | |
4145 | ||
4146 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 4147 | if (rc != MBX_TIMEOUT) |
64ba8818 JS |
4148 | mempool_free(pmboxq, phba->mbox_mem_pool); |
4149 | return; | |
4150 | } | |
4151 | ||
4152 | memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t)); | |
4153 | pmb->mbxCommand = MBX_READ_LNK_STAT; | |
4154 | pmb->mbxOwner = OWN_HOST; | |
4155 | pmboxq->context1 = NULL; | |
92d7f7b0 | 4156 | pmboxq->vport = vport; |
64ba8818 | 4157 | |
2e0fef85 | 4158 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
f4b4c68f | 4159 | (!(psli->sli_flag & LPFC_SLI_ACTIVE))) |
64ba8818 JS |
4160 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
4161 | else | |
4162 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); | |
4163 | ||
4164 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 4165 | if (rc != MBX_TIMEOUT) |
64ba8818 JS |
4166 | mempool_free( pmboxq, phba->mbox_mem_pool); |
4167 | return; | |
4168 | } | |
4169 | ||
4170 | lso->link_failure_count = pmb->un.varRdLnk.linkFailureCnt; | |
4171 | lso->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt; | |
4172 | lso->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt; | |
4173 | lso->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt; | |
4174 | lso->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord; | |
4175 | lso->invalid_crc_count = pmb->un.varRdLnk.crcCnt; | |
4176 | lso->error_frames = pmb->un.varRdLnk.crcCnt; | |
4d9ab994 JS |
4177 | if (phba->hba_flag & HBA_FCOE_SUPPORT) |
4178 | lso->link_events = (phba->link_events >> 1); | |
4179 | else | |
4180 | lso->link_events = (phba->fc_eventTag >> 1); | |
64ba8818 JS |
4181 | |
4182 | psli->stats_start = get_seconds(); | |
4183 | ||
1dcb58e5 JS |
4184 | mempool_free(pmboxq, phba->mbox_mem_pool); |
4185 | ||
64ba8818 JS |
4186 | return; |
4187 | } | |
dea3101e | 4188 | |
4189 | /* | |
4190 | * The LPFC driver treats linkdown handling as target loss events so there | |
4191 | * are no sysfs handlers for link_down_tmo. | |
4192 | */ | |
685f0bf7 | 4193 | |
e59058c4 | 4194 | /** |
3621a710 | 4195 | * lpfc_get_node_by_target - Return the nodelist for a target |
e59058c4 JS |
4196 | * @starget: kernel scsi target pointer. |
4197 | * | |
4198 | * Returns: | |
4199 | * address of the node list if found | |
4200 | * NULL target not found | |
4201 | **/ | |
685f0bf7 JS |
4202 | static struct lpfc_nodelist * |
4203 | lpfc_get_node_by_target(struct scsi_target *starget) | |
dea3101e | 4204 | { |
2e0fef85 JS |
4205 | struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); |
4206 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
685f0bf7 | 4207 | struct lpfc_nodelist *ndlp; |
dea3101e | 4208 | |
4209 | spin_lock_irq(shost->host_lock); | |
685f0bf7 | 4210 | /* Search for this, mapped, target ID */ |
2e0fef85 | 4211 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
e47c9093 JS |
4212 | if (NLP_CHK_NODE_ACT(ndlp) && |
4213 | ndlp->nlp_state == NLP_STE_MAPPED_NODE && | |
685f0bf7 JS |
4214 | starget->id == ndlp->nlp_sid) { |
4215 | spin_unlock_irq(shost->host_lock); | |
4216 | return ndlp; | |
dea3101e | 4217 | } |
4218 | } | |
4219 | spin_unlock_irq(shost->host_lock); | |
685f0bf7 JS |
4220 | return NULL; |
4221 | } | |
dea3101e | 4222 | |
e59058c4 | 4223 | /** |
3621a710 | 4224 | * lpfc_get_starget_port_id - Set the target port id to the ndlp DID or -1 |
e59058c4 JS |
4225 | * @starget: kernel scsi target pointer. |
4226 | **/ | |
685f0bf7 JS |
4227 | static void |
4228 | lpfc_get_starget_port_id(struct scsi_target *starget) | |
4229 | { | |
4230 | struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); | |
4231 | ||
4232 | fc_starget_port_id(starget) = ndlp ? ndlp->nlp_DID : -1; | |
dea3101e | 4233 | } |
4234 | ||
e59058c4 | 4235 | /** |
3621a710 | 4236 | * lpfc_get_starget_node_name - Set the target node name |
e59058c4 JS |
4237 | * @starget: kernel scsi target pointer. |
4238 | * | |
4239 | * Description: Set the target node name to the ndlp node name wwn or zero. | |
4240 | **/ | |
dea3101e | 4241 | static void |
4242 | lpfc_get_starget_node_name(struct scsi_target *starget) | |
4243 | { | |
685f0bf7 | 4244 | struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); |
dea3101e | 4245 | |
685f0bf7 JS |
4246 | fc_starget_node_name(starget) = |
4247 | ndlp ? wwn_to_u64(ndlp->nlp_nodename.u.wwn) : 0; | |
dea3101e | 4248 | } |
4249 | ||
e59058c4 | 4250 | /** |
3621a710 | 4251 | * lpfc_get_starget_port_name - Set the target port name |
e59058c4 JS |
4252 | * @starget: kernel scsi target pointer. |
4253 | * | |
4254 | * Description: set the target port name to the ndlp port name wwn or zero. | |
4255 | **/ | |
dea3101e | 4256 | static void |
4257 | lpfc_get_starget_port_name(struct scsi_target *starget) | |
4258 | { | |
685f0bf7 | 4259 | struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); |
dea3101e | 4260 | |
685f0bf7 JS |
4261 | fc_starget_port_name(starget) = |
4262 | ndlp ? wwn_to_u64(ndlp->nlp_portname.u.wwn) : 0; | |
dea3101e | 4263 | } |
4264 | ||
e59058c4 | 4265 | /** |
3621a710 | 4266 | * lpfc_set_rport_loss_tmo - Set the rport dev loss tmo |
e59058c4 JS |
4267 | * @rport: fc rport address. |
4268 | * @timeout: new value for dev loss tmo. | |
4269 | * | |
4270 | * Description: | |
4271 | * If timeout is non zero set the dev_loss_tmo to timeout, else set | |
4272 | * dev_loss_tmo to one. | |
4273 | **/ | |
dea3101e | 4274 | static void |
4275 | lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout) | |
4276 | { | |
dea3101e | 4277 | if (timeout) |
c01f3208 | 4278 | rport->dev_loss_tmo = timeout; |
dea3101e | 4279 | else |
c01f3208 | 4280 | rport->dev_loss_tmo = 1; |
dea3101e | 4281 | } |
4282 | ||
e59058c4 | 4283 | /** |
3621a710 | 4284 | * lpfc_rport_show_function - Return rport target information |
e59058c4 JS |
4285 | * |
4286 | * Description: | |
4287 | * Macro that uses field to generate a function with the name lpfc_show_rport_ | |
4288 | * | |
4289 | * lpfc_show_rport_##field: returns the bytes formatted in buf | |
4290 | * @cdev: class converted to an fc_rport. | |
4291 | * @buf: on return contains the target_field or zero. | |
4292 | * | |
4293 | * Returns: size of formatted string. | |
4294 | **/ | |
dea3101e | 4295 | #define lpfc_rport_show_function(field, format_string, sz, cast) \ |
4296 | static ssize_t \ | |
ee959b00 TJ |
4297 | lpfc_show_rport_##field (struct device *dev, \ |
4298 | struct device_attribute *attr, \ | |
4299 | char *buf) \ | |
dea3101e | 4300 | { \ |
ee959b00 | 4301 | struct fc_rport *rport = transport_class_to_rport(dev); \ |
dea3101e | 4302 | struct lpfc_rport_data *rdata = rport->hostdata; \ |
4303 | return snprintf(buf, sz, format_string, \ | |
4304 | (rdata->target) ? cast rdata->target->field : 0); \ | |
4305 | } | |
4306 | ||
4307 | #define lpfc_rport_rd_attr(field, format_string, sz) \ | |
4308 | lpfc_rport_show_function(field, format_string, sz, ) \ | |
4309 | static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL) | |
4310 | ||
eada272d | 4311 | /** |
3621a710 | 4312 | * lpfc_set_vport_symbolic_name - Set the vport's symbolic name |
eada272d JS |
4313 | * @fc_vport: The fc_vport who's symbolic name has been changed. |
4314 | * | |
4315 | * Description: | |
4316 | * This function is called by the transport after the @fc_vport's symbolic name | |
4317 | * has been changed. This function re-registers the symbolic name with the | |
4318 | * switch to propogate the change into the fabric if the vport is active. | |
4319 | **/ | |
4320 | static void | |
4321 | lpfc_set_vport_symbolic_name(struct fc_vport *fc_vport) | |
4322 | { | |
4323 | struct lpfc_vport *vport = *(struct lpfc_vport **)fc_vport->dd_data; | |
4324 | ||
4325 | if (vport->port_state == LPFC_VPORT_READY) | |
4326 | lpfc_ns_cmd(vport, SLI_CTNS_RSPN_ID, 0, 0); | |
4327 | } | |
dea3101e | 4328 | |
f4b4c68f JS |
4329 | /** |
4330 | * lpfc_hba_log_verbose_init - Set hba's log verbose level | |
4331 | * @phba: Pointer to lpfc_hba struct. | |
4332 | * | |
4333 | * This function is called by the lpfc_get_cfgparam() routine to set the | |
4334 | * module lpfc_log_verbose into the @phba cfg_log_verbose for use with | |
4335 | * log messsage according to the module's lpfc_log_verbose parameter setting | |
4336 | * before hba port or vport created. | |
4337 | **/ | |
4338 | static void | |
4339 | lpfc_hba_log_verbose_init(struct lpfc_hba *phba, uint32_t verbose) | |
4340 | { | |
4341 | phba->cfg_log_verbose = verbose; | |
4342 | } | |
4343 | ||
dea3101e | 4344 | struct fc_function_template lpfc_transport_functions = { |
4345 | /* fixed attributes the driver supports */ | |
4346 | .show_host_node_name = 1, | |
4347 | .show_host_port_name = 1, | |
4348 | .show_host_supported_classes = 1, | |
4349 | .show_host_supported_fc4s = 1, | |
dea3101e | 4350 | .show_host_supported_speeds = 1, |
4351 | .show_host_maxframe_size = 1, | |
eada272d | 4352 | .show_host_symbolic_name = 1, |
dea3101e | 4353 | |
4354 | /* dynamic attributes the driver supports */ | |
4355 | .get_host_port_id = lpfc_get_host_port_id, | |
4356 | .show_host_port_id = 1, | |
4357 | ||
4358 | .get_host_port_type = lpfc_get_host_port_type, | |
4359 | .show_host_port_type = 1, | |
4360 | ||
4361 | .get_host_port_state = lpfc_get_host_port_state, | |
4362 | .show_host_port_state = 1, | |
4363 | ||
4364 | /* active_fc4s is shown but doesn't change (thus no get function) */ | |
4365 | .show_host_active_fc4s = 1, | |
4366 | ||
4367 | .get_host_speed = lpfc_get_host_speed, | |
4368 | .show_host_speed = 1, | |
4369 | ||
4370 | .get_host_fabric_name = lpfc_get_host_fabric_name, | |
4371 | .show_host_fabric_name = 1, | |
4372 | ||
4373 | /* | |
4374 | * The LPFC driver treats linkdown handling as target loss events | |
4375 | * so there are no sysfs handlers for link_down_tmo. | |
4376 | */ | |
4377 | ||
4378 | .get_fc_host_stats = lpfc_get_stats, | |
64ba8818 | 4379 | .reset_fc_host_stats = lpfc_reset_stats, |
dea3101e | 4380 | |
4381 | .dd_fcrport_size = sizeof(struct lpfc_rport_data), | |
4382 | .show_rport_maxframe_size = 1, | |
4383 | .show_rport_supported_classes = 1, | |
4384 | ||
dea3101e | 4385 | .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo, |
4386 | .show_rport_dev_loss_tmo = 1, | |
4387 | ||
4388 | .get_starget_port_id = lpfc_get_starget_port_id, | |
4389 | .show_starget_port_id = 1, | |
4390 | ||
4391 | .get_starget_node_name = lpfc_get_starget_node_name, | |
4392 | .show_starget_node_name = 1, | |
4393 | ||
4394 | .get_starget_port_name = lpfc_get_starget_port_name, | |
4395 | .show_starget_port_name = 1, | |
91ca7b01 AV |
4396 | |
4397 | .issue_fc_host_lip = lpfc_issue_lip, | |
c01f3208 JS |
4398 | .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk, |
4399 | .terminate_rport_io = lpfc_terminate_rport_io, | |
92d7f7b0 | 4400 | |
92d7f7b0 | 4401 | .dd_fcvport_size = sizeof(struct lpfc_vport *), |
eada272d JS |
4402 | |
4403 | .vport_disable = lpfc_vport_disable, | |
4404 | ||
4405 | .set_vport_symbolic_name = lpfc_set_vport_symbolic_name, | |
f1c3b0fc JS |
4406 | |
4407 | .bsg_request = lpfc_bsg_request, | |
4408 | .bsg_timeout = lpfc_bsg_timeout, | |
92d7f7b0 JS |
4409 | }; |
4410 | ||
98c9ea5c JS |
4411 | struct fc_function_template lpfc_vport_transport_functions = { |
4412 | /* fixed attributes the driver supports */ | |
4413 | .show_host_node_name = 1, | |
4414 | .show_host_port_name = 1, | |
4415 | .show_host_supported_classes = 1, | |
4416 | .show_host_supported_fc4s = 1, | |
4417 | .show_host_supported_speeds = 1, | |
4418 | .show_host_maxframe_size = 1, | |
eada272d | 4419 | .show_host_symbolic_name = 1, |
98c9ea5c JS |
4420 | |
4421 | /* dynamic attributes the driver supports */ | |
4422 | .get_host_port_id = lpfc_get_host_port_id, | |
4423 | .show_host_port_id = 1, | |
4424 | ||
4425 | .get_host_port_type = lpfc_get_host_port_type, | |
4426 | .show_host_port_type = 1, | |
4427 | ||
4428 | .get_host_port_state = lpfc_get_host_port_state, | |
4429 | .show_host_port_state = 1, | |
4430 | ||
4431 | /* active_fc4s is shown but doesn't change (thus no get function) */ | |
4432 | .show_host_active_fc4s = 1, | |
4433 | ||
4434 | .get_host_speed = lpfc_get_host_speed, | |
4435 | .show_host_speed = 1, | |
4436 | ||
4437 | .get_host_fabric_name = lpfc_get_host_fabric_name, | |
4438 | .show_host_fabric_name = 1, | |
4439 | ||
4440 | /* | |
4441 | * The LPFC driver treats linkdown handling as target loss events | |
4442 | * so there are no sysfs handlers for link_down_tmo. | |
4443 | */ | |
4444 | ||
4445 | .get_fc_host_stats = lpfc_get_stats, | |
4446 | .reset_fc_host_stats = lpfc_reset_stats, | |
4447 | ||
4448 | .dd_fcrport_size = sizeof(struct lpfc_rport_data), | |
4449 | .show_rport_maxframe_size = 1, | |
4450 | .show_rport_supported_classes = 1, | |
4451 | ||
4452 | .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo, | |
4453 | .show_rport_dev_loss_tmo = 1, | |
4454 | ||
4455 | .get_starget_port_id = lpfc_get_starget_port_id, | |
4456 | .show_starget_port_id = 1, | |
4457 | ||
4458 | .get_starget_node_name = lpfc_get_starget_node_name, | |
4459 | .show_starget_node_name = 1, | |
4460 | ||
4461 | .get_starget_port_name = lpfc_get_starget_port_name, | |
4462 | .show_starget_port_name = 1, | |
4463 | ||
4464 | .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk, | |
4465 | .terminate_rport_io = lpfc_terminate_rport_io, | |
4466 | ||
4467 | .vport_disable = lpfc_vport_disable, | |
eada272d JS |
4468 | |
4469 | .set_vport_symbolic_name = lpfc_set_vport_symbolic_name, | |
98c9ea5c JS |
4470 | }; |
4471 | ||
e59058c4 | 4472 | /** |
3621a710 | 4473 | * lpfc_get_cfgparam - Used during probe_one to init the adapter structure |
e59058c4 JS |
4474 | * @phba: lpfc_hba pointer. |
4475 | **/ | |
dea3101e | 4476 | void |
4477 | lpfc_get_cfgparam(struct lpfc_hba *phba) | |
4478 | { | |
7bcbb752 JSEC |
4479 | lpfc_cr_delay_init(phba, lpfc_cr_delay); |
4480 | lpfc_cr_count_init(phba, lpfc_cr_count); | |
cf5bf97e | 4481 | lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support); |
a4bc3379 JS |
4482 | lpfc_multi_ring_rctl_init(phba, lpfc_multi_ring_rctl); |
4483 | lpfc_multi_ring_type_init(phba, lpfc_multi_ring_type); | |
7bcbb752 JSEC |
4484 | lpfc_ack0_init(phba, lpfc_ack0); |
4485 | lpfc_topology_init(phba, lpfc_topology); | |
7bcbb752 | 4486 | lpfc_link_speed_init(phba, lpfc_link_speed); |
875fbdfe | 4487 | lpfc_poll_tmo_init(phba, lpfc_poll_tmo); |
78b2d852 | 4488 | lpfc_enable_npiv_init(phba, lpfc_enable_npiv); |
4ff43246 | 4489 | lpfc_use_msi_init(phba, lpfc_use_msi); |
da0436e9 JS |
4490 | lpfc_fcp_imax_init(phba, lpfc_fcp_imax); |
4491 | lpfc_fcp_wq_count_init(phba, lpfc_fcp_wq_count); | |
4492 | lpfc_fcp_eq_count_init(phba, lpfc_fcp_eq_count); | |
13815c83 JS |
4493 | lpfc_enable_hba_reset_init(phba, lpfc_enable_hba_reset); |
4494 | lpfc_enable_hba_heartbeat_init(phba, lpfc_enable_hba_heartbeat); | |
81301a9b | 4495 | lpfc_enable_bg_init(phba, lpfc_enable_bg); |
45ed1190 JS |
4496 | if (phba->sli_rev == LPFC_SLI_REV4) |
4497 | phba->cfg_poll = 0; | |
4498 | else | |
875fbdfe | 4499 | phba->cfg_poll = lpfc_poll; |
a12e07bc | 4500 | phba->cfg_soft_wwnn = 0L; |
c3f28afa | 4501 | phba->cfg_soft_wwpn = 0L; |
83108bd3 | 4502 | lpfc_sg_seg_cnt_init(phba, lpfc_sg_seg_cnt); |
81301a9b | 4503 | lpfc_prot_sg_seg_cnt_init(phba, lpfc_prot_sg_seg_cnt); |
7054a606 | 4504 | lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth); |
6fb120a7 | 4505 | lpfc_hba_log_verbose_init(phba, lpfc_log_verbose); |
0d878419 | 4506 | lpfc_aer_support_init(phba, lpfc_aer_support); |
84d1b006 | 4507 | lpfc_suppress_link_up_init(phba, lpfc_suppress_link_up); |
3de2a653 JS |
4508 | return; |
4509 | } | |
b28485ac | 4510 | |
e59058c4 | 4511 | /** |
3621a710 | 4512 | * lpfc_get_vport_cfgparam - Used during port create, init the vport structure |
e59058c4 JS |
4513 | * @vport: lpfc_vport pointer. |
4514 | **/ | |
3de2a653 JS |
4515 | void |
4516 | lpfc_get_vport_cfgparam(struct lpfc_vport *vport) | |
4517 | { | |
e8b62011 | 4518 | lpfc_log_verbose_init(vport, lpfc_log_verbose); |
3de2a653 JS |
4519 | lpfc_lun_queue_depth_init(vport, lpfc_lun_queue_depth); |
4520 | lpfc_devloss_tmo_init(vport, lpfc_devloss_tmo); | |
4521 | lpfc_nodev_tmo_init(vport, lpfc_nodev_tmo); | |
4522 | lpfc_peer_port_login_init(vport, lpfc_peer_port_login); | |
4523 | lpfc_restrict_login_init(vport, lpfc_restrict_login); | |
4524 | lpfc_fcp_class_init(vport, lpfc_fcp_class); | |
4525 | lpfc_use_adisc_init(vport, lpfc_use_adisc); | |
977b5a0a | 4526 | lpfc_max_scsicmpl_time_init(vport, lpfc_max_scsicmpl_time); |
3de2a653 JS |
4527 | lpfc_fdmi_on_init(vport, lpfc_fdmi_on); |
4528 | lpfc_discovery_threads_init(vport, lpfc_discovery_threads); | |
4529 | lpfc_max_luns_init(vport, lpfc_max_luns); | |
4530 | lpfc_scan_down_init(vport, lpfc_scan_down); | |
7ee5d43e | 4531 | lpfc_enable_da_id_init(vport, lpfc_enable_da_id); |
dea3101e | 4532 | return; |
4533 | } |