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dea3101e JB |
1 | /******************************************************************* |
2 | * This file is part of the Emulex Linux Device Driver for * | |
c44ce173 | 3 | * Fibre Channel Host Bus Adapters. * |
d8e93df1 | 4 | * Copyright (C) 2004-2009 Emulex. All rights reserved. * |
c44ce173 | 5 | * EMULEX and SLI are trademarks of Emulex. * |
dea3101e | 6 | * www.emulex.com * |
c44ce173 | 7 | * Portions Copyright (C) 2004-2005 Christoph Hellwig * |
dea3101e JB |
8 | * * |
9 | * This program is free software; you can redistribute it and/or * | |
c44ce173 JSEC |
10 | * modify it under the terms of version 2 of the GNU General * |
11 | * Public License as published by the Free Software Foundation. * | |
12 | * This program is distributed in the hope that it will be useful. * | |
13 | * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * | |
14 | * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * | |
15 | * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * | |
16 | * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * | |
17 | * TO BE LEGALLY INVALID. See the GNU General Public License for * | |
18 | * more details, a copy of which can be found in the file COPYING * | |
19 | * included with this package. * | |
dea3101e JB |
20 | *******************************************************************/ |
21 | ||
dea3101e | 22 | #include <linux/ctype.h> |
46fa311e | 23 | #include <linux/delay.h> |
dea3101e JB |
24 | #include <linux/pci.h> |
25 | #include <linux/interrupt.h> | |
0d878419 | 26 | #include <linux/aer.h> |
5a0e3ad6 | 27 | #include <linux/gfp.h> |
dea3101e | 28 | |
91886523 | 29 | #include <scsi/scsi.h> |
dea3101e JB |
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 JB |
37 | #include "lpfc_hw.h" |
38 | #include "lpfc_sli.h" | |
da0436e9 | 39 | #include "lpfc_sli4.h" |
ea2151b4 | 40 | #include "lpfc_nl.h" |
dea3101e JB |
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 JB |
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 JB |
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 JB |
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 JB |
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 JB |
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 JB |
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 JB |
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 JB |
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 JB |
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 JB |
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 JB |
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 JB |
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 JB |
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 JB |
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 JB |
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 JB |
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 JB |
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)) | |
6e7288d9 | 509 | status = phba->lpfc_hba_init_link(phba, MBX_NOWAIT); |
84d1b006 JS |
510 | else if ((strncmp(buf, "down", sizeof("down") - 1) == 0) && |
511 | (phba->link_state >= LPFC_LINK_UP)) | |
6e7288d9 | 512 | status = phba->lpfc_hba_down_link(phba, MBX_NOWAIT); |
84d1b006 JS |
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 JB |
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 JB |
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 JB |
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 JB |
593 | |
594 | if (mbxstatus == MBXERR_ERROR) | |
595 | return -EIO; | |
596 | ||
91ca7b01 | 597 | return 0; |
dea3101e JB |
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 JB |
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 | 867 | struct lpfc_mbx_read_config *rd_config; |
92d7f7b0 JS |
868 | LPFC_MBOXQ_t *pmboxq; |
869 | MAILBOX_t *pmb; | |
870 | int rc = 0; | |
15672319 | 871 | uint32_t max_vpi; |
92d7f7b0 JS |
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 | ||
75baf696 | 895 | if (phba->pport->fc_flag & FC_OFFLINE_MODE) |
92d7f7b0 JS |
896 | rc = MBX_NOT_FINISHED; |
897 | else | |
898 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); | |
899 | ||
900 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 901 | if (rc != MBX_TIMEOUT) |
92d7f7b0 JS |
902 | mempool_free(pmboxq, phba->mbox_mem_pool); |
903 | return 0; | |
904 | } | |
905 | ||
da0436e9 JS |
906 | if (phba->sli_rev == LPFC_SLI_REV4) { |
907 | rd_config = &pmboxq->u.mqe.un.rd_config; | |
908 | if (mrpi) | |
909 | *mrpi = bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config); | |
910 | if (arpi) | |
911 | *arpi = bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config) - | |
912 | phba->sli4_hba.max_cfg_param.rpi_used; | |
913 | if (mxri) | |
914 | *mxri = bf_get(lpfc_mbx_rd_conf_xri_count, rd_config); | |
915 | if (axri) | |
916 | *axri = bf_get(lpfc_mbx_rd_conf_xri_count, rd_config) - | |
917 | phba->sli4_hba.max_cfg_param.xri_used; | |
15672319 JS |
918 | |
919 | /* Account for differences with SLI-3. Get vpi count from | |
920 | * mailbox data and subtract one for max vpi value. | |
921 | */ | |
922 | max_vpi = (bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) > 0) ? | |
923 | (bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) - 1) : 0; | |
924 | ||
da0436e9 | 925 | if (mvpi) |
15672319 | 926 | *mvpi = max_vpi; |
da0436e9 | 927 | if (avpi) |
15672319 | 928 | *avpi = max_vpi - phba->sli4_hba.max_cfg_param.vpi_used; |
da0436e9 JS |
929 | } else { |
930 | if (mrpi) | |
931 | *mrpi = pmb->un.varRdConfig.max_rpi; | |
932 | if (arpi) | |
933 | *arpi = pmb->un.varRdConfig.avail_rpi; | |
934 | if (mxri) | |
935 | *mxri = pmb->un.varRdConfig.max_xri; | |
936 | if (axri) | |
937 | *axri = pmb->un.varRdConfig.avail_xri; | |
938 | if (mvpi) | |
939 | *mvpi = pmb->un.varRdConfig.max_vpi; | |
940 | if (avpi) | |
941 | *avpi = pmb->un.varRdConfig.avail_vpi; | |
942 | } | |
92d7f7b0 JS |
943 | |
944 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
945 | return 1; | |
946 | } | |
947 | ||
e59058c4 | 948 | /** |
3621a710 | 949 | * lpfc_max_rpi_show - Return maximum rpi |
e59058c4 JS |
950 | * @dev: class device that is converted into a Scsi_host. |
951 | * @attr: device attribute, not used. | |
952 | * @buf: on return contains the maximum rpi count in decimal or "Unknown". | |
953 | * | |
954 | * Description: | |
955 | * Calls lpfc_get_hba_info() asking for just the mrpi count. | |
956 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
957 | * to "Unknown" and the buffer length is returned, therefore the caller | |
958 | * must check for "Unknown" in the buffer to detect a failure. | |
959 | * | |
960 | * Returns: size of formatted string. | |
961 | **/ | |
92d7f7b0 | 962 | static ssize_t |
ee959b00 TJ |
963 | lpfc_max_rpi_show(struct device *dev, struct device_attribute *attr, |
964 | char *buf) | |
92d7f7b0 | 965 | { |
ee959b00 | 966 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
967 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
968 | struct lpfc_hba *phba = vport->phba; | |
969 | uint32_t cnt; | |
970 | ||
858c9f6c | 971 | if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, NULL, NULL, NULL)) |
92d7f7b0 JS |
972 | return snprintf(buf, PAGE_SIZE, "%d\n", cnt); |
973 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
974 | } | |
975 | ||
e59058c4 | 976 | /** |
3621a710 | 977 | * lpfc_used_rpi_show - Return maximum rpi minus available rpi |
e59058c4 JS |
978 | * @dev: class device that is converted into a Scsi_host. |
979 | * @attr: device attribute, not used. | |
980 | * @buf: containing the used rpi count in decimal or "Unknown". | |
981 | * | |
982 | * Description: | |
983 | * Calls lpfc_get_hba_info() asking for just the mrpi and arpi counts. | |
984 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
985 | * to "Unknown" and the buffer length is returned, therefore the caller | |
986 | * must check for "Unknown" in the buffer to detect a failure. | |
987 | * | |
988 | * Returns: size of formatted string. | |
989 | **/ | |
92d7f7b0 | 990 | static ssize_t |
ee959b00 TJ |
991 | lpfc_used_rpi_show(struct device *dev, struct device_attribute *attr, |
992 | char *buf) | |
92d7f7b0 | 993 | { |
ee959b00 | 994 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
995 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
996 | struct lpfc_hba *phba = vport->phba; | |
997 | uint32_t cnt, acnt; | |
998 | ||
858c9f6c | 999 | if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, &acnt, NULL, NULL)) |
92d7f7b0 JS |
1000 | return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt)); |
1001 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1002 | } | |
1003 | ||
e59058c4 | 1004 | /** |
3621a710 | 1005 | * lpfc_max_xri_show - Return maximum xri |
e59058c4 JS |
1006 | * @dev: class device that is converted into a Scsi_host. |
1007 | * @attr: device attribute, not used. | |
1008 | * @buf: on return contains the maximum xri count in decimal or "Unknown". | |
1009 | * | |
1010 | * Description: | |
1011 | * Calls lpfc_get_hba_info() asking for just the mrpi count. | |
1012 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
1013 | * to "Unknown" and the buffer length is returned, therefore the caller | |
1014 | * must check for "Unknown" in the buffer to detect a failure. | |
1015 | * | |
1016 | * Returns: size of formatted string. | |
1017 | **/ | |
92d7f7b0 | 1018 | static ssize_t |
ee959b00 TJ |
1019 | lpfc_max_xri_show(struct device *dev, struct device_attribute *attr, |
1020 | char *buf) | |
92d7f7b0 | 1021 | { |
ee959b00 | 1022 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
1023 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1024 | struct lpfc_hba *phba = vport->phba; | |
1025 | uint32_t cnt; | |
1026 | ||
858c9f6c | 1027 | if (lpfc_get_hba_info(phba, &cnt, NULL, NULL, NULL, NULL, NULL)) |
92d7f7b0 JS |
1028 | return snprintf(buf, PAGE_SIZE, "%d\n", cnt); |
1029 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1030 | } | |
1031 | ||
e59058c4 | 1032 | /** |
3621a710 | 1033 | * lpfc_used_xri_show - Return maximum xpi minus the available xpi |
e59058c4 JS |
1034 | * @dev: class device that is converted into a Scsi_host. |
1035 | * @attr: device attribute, not used. | |
1036 | * @buf: on return contains the used xri count in decimal or "Unknown". | |
1037 | * | |
1038 | * Description: | |
1039 | * Calls lpfc_get_hba_info() asking for just the mxri and axri counts. | |
1040 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
1041 | * to "Unknown" and the buffer length is returned, therefore the caller | |
1042 | * must check for "Unknown" in the buffer to detect a failure. | |
1043 | * | |
1044 | * Returns: size of formatted string. | |
1045 | **/ | |
92d7f7b0 | 1046 | static ssize_t |
ee959b00 TJ |
1047 | lpfc_used_xri_show(struct device *dev, struct device_attribute *attr, |
1048 | char *buf) | |
92d7f7b0 | 1049 | { |
ee959b00 | 1050 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
1051 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1052 | struct lpfc_hba *phba = vport->phba; | |
1053 | uint32_t cnt, acnt; | |
1054 | ||
858c9f6c JS |
1055 | if (lpfc_get_hba_info(phba, &cnt, &acnt, NULL, NULL, NULL, NULL)) |
1056 | return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt)); | |
1057 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1058 | } | |
1059 | ||
e59058c4 | 1060 | /** |
3621a710 | 1061 | * lpfc_max_vpi_show - Return maximum vpi |
e59058c4 JS |
1062 | * @dev: class device that is converted into a Scsi_host. |
1063 | * @attr: device attribute, not used. | |
1064 | * @buf: on return contains the maximum vpi count in decimal or "Unknown". | |
1065 | * | |
1066 | * Description: | |
1067 | * Calls lpfc_get_hba_info() asking for just the mvpi count. | |
1068 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
1069 | * to "Unknown" and the buffer length is returned, therefore the caller | |
1070 | * must check for "Unknown" in the buffer to detect a failure. | |
1071 | * | |
1072 | * Returns: size of formatted string. | |
1073 | **/ | |
858c9f6c | 1074 | static ssize_t |
ee959b00 TJ |
1075 | lpfc_max_vpi_show(struct device *dev, struct device_attribute *attr, |
1076 | char *buf) | |
858c9f6c | 1077 | { |
ee959b00 | 1078 | struct Scsi_Host *shost = class_to_shost(dev); |
858c9f6c JS |
1079 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1080 | struct lpfc_hba *phba = vport->phba; | |
1081 | uint32_t cnt; | |
1082 | ||
1083 | if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, NULL)) | |
1084 | return snprintf(buf, PAGE_SIZE, "%d\n", cnt); | |
1085 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1086 | } | |
1087 | ||
e59058c4 | 1088 | /** |
3621a710 | 1089 | * lpfc_used_vpi_show - Return maximum vpi minus the available vpi |
e59058c4 JS |
1090 | * @dev: class device that is converted into a Scsi_host. |
1091 | * @attr: device attribute, not used. | |
1092 | * @buf: on return contains the used vpi count in decimal or "Unknown". | |
1093 | * | |
1094 | * Description: | |
1095 | * Calls lpfc_get_hba_info() asking for just the mvpi and avpi counts. | |
1096 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
1097 | * to "Unknown" and the buffer length is returned, therefore the caller | |
1098 | * must check for "Unknown" in the buffer to detect a failure. | |
1099 | * | |
1100 | * Returns: size of formatted string. | |
1101 | **/ | |
858c9f6c | 1102 | static ssize_t |
ee959b00 TJ |
1103 | lpfc_used_vpi_show(struct device *dev, struct device_attribute *attr, |
1104 | char *buf) | |
858c9f6c | 1105 | { |
ee959b00 | 1106 | struct Scsi_Host *shost = class_to_shost(dev); |
858c9f6c JS |
1107 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1108 | struct lpfc_hba *phba = vport->phba; | |
1109 | uint32_t cnt, acnt; | |
1110 | ||
1111 | if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, &acnt)) | |
92d7f7b0 JS |
1112 | return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt)); |
1113 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1114 | } | |
1115 | ||
e59058c4 | 1116 | /** |
3621a710 | 1117 | * lpfc_npiv_info_show - Return text about NPIV support for the adapter |
e59058c4 JS |
1118 | * @dev: class device that is converted into a Scsi_host. |
1119 | * @attr: device attribute, not used. | |
1120 | * @buf: text that must be interpreted to determine if npiv is supported. | |
1121 | * | |
1122 | * Description: | |
1123 | * Buffer will contain text indicating npiv is not suppoerted on the port, | |
1124 | * the port is an NPIV physical port, or it is an npiv virtual port with | |
1125 | * the id of the vport. | |
1126 | * | |
1127 | * Returns: size of formatted string. | |
1128 | **/ | |
92d7f7b0 | 1129 | static ssize_t |
ee959b00 TJ |
1130 | lpfc_npiv_info_show(struct device *dev, struct device_attribute *attr, |
1131 | char *buf) | |
92d7f7b0 | 1132 | { |
ee959b00 | 1133 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
1134 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1135 | struct lpfc_hba *phba = vport->phba; | |
1136 | ||
1137 | if (!(phba->max_vpi)) | |
1138 | return snprintf(buf, PAGE_SIZE, "NPIV Not Supported\n"); | |
1139 | if (vport->port_type == LPFC_PHYSICAL_PORT) | |
1140 | return snprintf(buf, PAGE_SIZE, "NPIV Physical\n"); | |
1141 | return snprintf(buf, PAGE_SIZE, "NPIV Virtual (VPI %d)\n", vport->vpi); | |
1142 | } | |
1143 | ||
e59058c4 | 1144 | /** |
3621a710 | 1145 | * lpfc_poll_show - Return text about poll support for the adapter |
e59058c4 JS |
1146 | * @dev: class device that is converted into a Scsi_host. |
1147 | * @attr: device attribute, not used. | |
1148 | * @buf: on return contains the cfg_poll in hex. | |
1149 | * | |
1150 | * Notes: | |
1151 | * cfg_poll should be a lpfc_polling_flags type. | |
1152 | * | |
1153 | * Returns: size of formatted string. | |
1154 | **/ | |
875fbdfe | 1155 | static ssize_t |
ee959b00 TJ |
1156 | lpfc_poll_show(struct device *dev, struct device_attribute *attr, |
1157 | char *buf) | |
875fbdfe | 1158 | { |
ee959b00 | 1159 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1160 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1161 | struct lpfc_hba *phba = vport->phba; | |
875fbdfe JSEC |
1162 | |
1163 | return snprintf(buf, PAGE_SIZE, "%#x\n", phba->cfg_poll); | |
1164 | } | |
1165 | ||
e59058c4 | 1166 | /** |
3621a710 | 1167 | * lpfc_poll_store - Set the value of cfg_poll for the adapter |
e59058c4 JS |
1168 | * @dev: class device that is converted into a Scsi_host. |
1169 | * @attr: device attribute, not used. | |
1170 | * @buf: one or more lpfc_polling_flags values. | |
1171 | * @count: not used. | |
1172 | * | |
1173 | * Notes: | |
1174 | * buf contents converted to integer and checked for a valid value. | |
1175 | * | |
1176 | * Returns: | |
1177 | * -EINVAL if the buffer connot be converted or is out of range | |
1178 | * length of the buf on success | |
1179 | **/ | |
875fbdfe | 1180 | static ssize_t |
ee959b00 TJ |
1181 | lpfc_poll_store(struct device *dev, struct device_attribute *attr, |
1182 | const char *buf, size_t count) | |
875fbdfe | 1183 | { |
ee959b00 | 1184 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1185 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1186 | struct lpfc_hba *phba = vport->phba; | |
875fbdfe JSEC |
1187 | uint32_t creg_val; |
1188 | uint32_t old_val; | |
1189 | int val=0; | |
1190 | ||
1191 | if (!isdigit(buf[0])) | |
1192 | return -EINVAL; | |
1193 | ||
1194 | if (sscanf(buf, "%i", &val) != 1) | |
1195 | return -EINVAL; | |
1196 | ||
1197 | if ((val & 0x3) != val) | |
1198 | return -EINVAL; | |
1199 | ||
45ed1190 JS |
1200 | if (phba->sli_rev == LPFC_SLI_REV4) |
1201 | val = 0; | |
1202 | ||
2e0fef85 | 1203 | spin_lock_irq(&phba->hbalock); |
875fbdfe JSEC |
1204 | |
1205 | old_val = phba->cfg_poll; | |
1206 | ||
1207 | if (val & ENABLE_FCP_RING_POLLING) { | |
1208 | if ((val & DISABLE_FCP_RING_INT) && | |
1209 | !(old_val & DISABLE_FCP_RING_INT)) { | |
1210 | creg_val = readl(phba->HCregaddr); | |
1211 | creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING); | |
1212 | writel(creg_val, phba->HCregaddr); | |
1213 | readl(phba->HCregaddr); /* flush */ | |
1214 | ||
1215 | lpfc_poll_start_timer(phba); | |
1216 | } | |
1217 | } else if (val != 0x0) { | |
2e0fef85 | 1218 | spin_unlock_irq(&phba->hbalock); |
875fbdfe JSEC |
1219 | return -EINVAL; |
1220 | } | |
1221 | ||
1222 | if (!(val & DISABLE_FCP_RING_INT) && | |
1223 | (old_val & DISABLE_FCP_RING_INT)) | |
1224 | { | |
2e0fef85 | 1225 | spin_unlock_irq(&phba->hbalock); |
875fbdfe | 1226 | del_timer(&phba->fcp_poll_timer); |
2e0fef85 | 1227 | spin_lock_irq(&phba->hbalock); |
875fbdfe JSEC |
1228 | creg_val = readl(phba->HCregaddr); |
1229 | creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING); | |
1230 | writel(creg_val, phba->HCregaddr); | |
1231 | readl(phba->HCregaddr); /* flush */ | |
1232 | } | |
1233 | ||
1234 | phba->cfg_poll = val; | |
1235 | ||
2e0fef85 | 1236 | spin_unlock_irq(&phba->hbalock); |
875fbdfe JSEC |
1237 | |
1238 | return strlen(buf); | |
1239 | } | |
dea3101e | 1240 | |
e59058c4 | 1241 | /** |
3621a710 | 1242 | * lpfc_param_show - Return a cfg attribute value in decimal |
e59058c4 JS |
1243 | * |
1244 | * Description: | |
1245 | * Macro that given an attr e.g. hba_queue_depth expands | |
1246 | * into a function with the name lpfc_hba_queue_depth_show. | |
1247 | * | |
1248 | * lpfc_##attr##_show: Return the decimal value of an adapters cfg_xxx field. | |
1249 | * @dev: class device that is converted into a Scsi_host. | |
1250 | * @attr: device attribute, not used. | |
1251 | * @buf: on return contains the attribute value in decimal. | |
1252 | * | |
1253 | * Returns: size of formatted string. | |
1254 | **/ | |
dea3101e JB |
1255 | #define lpfc_param_show(attr) \ |
1256 | static ssize_t \ | |
ee959b00 TJ |
1257 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
1258 | char *buf) \ | |
dea3101e | 1259 | { \ |
ee959b00 | 1260 | struct Scsi_Host *shost = class_to_shost(dev);\ |
2e0fef85 JS |
1261 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
1262 | struct lpfc_hba *phba = vport->phba;\ | |
84d1b006 | 1263 | uint val = 0;\ |
7bcbb752 JSEC |
1264 | val = phba->cfg_##attr;\ |
1265 | return snprintf(buf, PAGE_SIZE, "%d\n",\ | |
1266 | phba->cfg_##attr);\ | |
1267 | } | |
1268 | ||
e59058c4 | 1269 | /** |
3621a710 | 1270 | * lpfc_param_hex_show - Return a cfg attribute value in hex |
e59058c4 JS |
1271 | * |
1272 | * Description: | |
1273 | * Macro that given an attr e.g. hba_queue_depth expands | |
1274 | * into a function with the name lpfc_hba_queue_depth_show | |
1275 | * | |
1276 | * lpfc_##attr##_show: Return the hex value of an adapters cfg_xxx field. | |
1277 | * @dev: class device that is converted into a Scsi_host. | |
1278 | * @attr: device attribute, not used. | |
3621a710 | 1279 | * @buf: on return contains the attribute value in hexadecimal. |
e59058c4 JS |
1280 | * |
1281 | * Returns: size of formatted string. | |
1282 | **/ | |
93a20f74 JSEC |
1283 | #define lpfc_param_hex_show(attr) \ |
1284 | static ssize_t \ | |
ee959b00 TJ |
1285 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
1286 | char *buf) \ | |
93a20f74 | 1287 | { \ |
ee959b00 | 1288 | struct Scsi_Host *shost = class_to_shost(dev);\ |
2e0fef85 JS |
1289 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
1290 | struct lpfc_hba *phba = vport->phba;\ | |
84d1b006 | 1291 | uint val = 0;\ |
93a20f74 JSEC |
1292 | val = phba->cfg_##attr;\ |
1293 | return snprintf(buf, PAGE_SIZE, "%#x\n",\ | |
1294 | phba->cfg_##attr);\ | |
1295 | } | |
1296 | ||
e59058c4 | 1297 | /** |
3621a710 | 1298 | * lpfc_param_init - Intializes a cfg attribute |
e59058c4 JS |
1299 | * |
1300 | * Description: | |
1301 | * Macro that given an attr e.g. hba_queue_depth expands | |
1302 | * into a function with the name lpfc_hba_queue_depth_init. The macro also | |
1303 | * takes a default argument, a minimum and maximum argument. | |
1304 | * | |
1305 | * lpfc_##attr##_init: Initializes an attribute. | |
1306 | * @phba: pointer the the adapter structure. | |
1307 | * @val: integer attribute value. | |
1308 | * | |
1309 | * Validates the min and max values then sets the adapter config field | |
1310 | * accordingly, or uses the default if out of range and prints an error message. | |
1311 | * | |
1312 | * Returns: | |
1313 | * zero on success | |
1314 | * -EINVAL if default used | |
1315 | **/ | |
7bcbb752 JSEC |
1316 | #define lpfc_param_init(attr, default, minval, maxval) \ |
1317 | static int \ | |
84d1b006 | 1318 | lpfc_##attr##_init(struct lpfc_hba *phba, uint val) \ |
7bcbb752 JSEC |
1319 | { \ |
1320 | if (val >= minval && val <= maxval) {\ | |
1321 | phba->cfg_##attr = val;\ | |
1322 | return 0;\ | |
dea3101e | 1323 | }\ |
7bcbb752 | 1324 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \ |
e8b62011 JS |
1325 | "0449 lpfc_"#attr" attribute cannot be set to %d, "\ |
1326 | "allowed range is ["#minval", "#maxval"]\n", val); \ | |
7bcbb752 JSEC |
1327 | phba->cfg_##attr = default;\ |
1328 | return -EINVAL;\ | |
dea3101e JB |
1329 | } |
1330 | ||
e59058c4 | 1331 | /** |
3621a710 | 1332 | * lpfc_param_set - Set a cfg attribute value |
e59058c4 JS |
1333 | * |
1334 | * Description: | |
1335 | * Macro that given an attr e.g. hba_queue_depth expands | |
1336 | * into a function with the name lpfc_hba_queue_depth_set | |
1337 | * | |
1338 | * lpfc_##attr##_set: Sets an attribute value. | |
1339 | * @phba: pointer the the adapter structure. | |
1340 | * @val: integer attribute value. | |
1341 | * | |
1342 | * Description: | |
1343 | * Validates the min and max values then sets the | |
1344 | * adapter config field if in the valid range. prints error message | |
1345 | * and does not set the parameter if invalid. | |
1346 | * | |
1347 | * Returns: | |
1348 | * zero on success | |
1349 | * -EINVAL if val is invalid | |
1350 | **/ | |
7bcbb752 JSEC |
1351 | #define lpfc_param_set(attr, default, minval, maxval) \ |
1352 | static int \ | |
84d1b006 | 1353 | lpfc_##attr##_set(struct lpfc_hba *phba, uint val) \ |
7bcbb752 JSEC |
1354 | { \ |
1355 | if (val >= minval && val <= maxval) {\ | |
1356 | phba->cfg_##attr = val;\ | |
1357 | return 0;\ | |
1358 | }\ | |
1359 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \ | |
e8b62011 JS |
1360 | "0450 lpfc_"#attr" attribute cannot be set to %d, "\ |
1361 | "allowed range is ["#minval", "#maxval"]\n", val); \ | |
7bcbb752 JSEC |
1362 | return -EINVAL;\ |
1363 | } | |
1364 | ||
e59058c4 | 1365 | /** |
3621a710 | 1366 | * lpfc_param_store - Set a vport attribute value |
e59058c4 JS |
1367 | * |
1368 | * Description: | |
1369 | * Macro that given an attr e.g. hba_queue_depth expands | |
1370 | * into a function with the name lpfc_hba_queue_depth_store. | |
1371 | * | |
1372 | * lpfc_##attr##_store: Set an sttribute value. | |
1373 | * @dev: class device that is converted into a Scsi_host. | |
1374 | * @attr: device attribute, not used. | |
1375 | * @buf: contains the attribute value in ascii. | |
1376 | * @count: not used. | |
1377 | * | |
1378 | * Description: | |
1379 | * Convert the ascii text number to an integer, then | |
1380 | * use the lpfc_##attr##_set function to set the value. | |
1381 | * | |
1382 | * Returns: | |
1383 | * -EINVAL if val is invalid or lpfc_##attr##_set() fails | |
1384 | * length of buffer upon success. | |
1385 | **/ | |
7bcbb752 | 1386 | #define lpfc_param_store(attr) \ |
dea3101e | 1387 | static ssize_t \ |
ee959b00 TJ |
1388 | lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \ |
1389 | const char *buf, size_t count) \ | |
dea3101e | 1390 | { \ |
ee959b00 | 1391 | struct Scsi_Host *shost = class_to_shost(dev);\ |
2e0fef85 JS |
1392 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
1393 | struct lpfc_hba *phba = vport->phba;\ | |
84d1b006 | 1394 | uint val = 0;\ |
93a20f74 JSEC |
1395 | if (!isdigit(buf[0]))\ |
1396 | return -EINVAL;\ | |
1397 | if (sscanf(buf, "%i", &val) != 1)\ | |
1398 | return -EINVAL;\ | |
7bcbb752 | 1399 | if (lpfc_##attr##_set(phba, val) == 0) \ |
755c0d06 | 1400 | return strlen(buf);\ |
7bcbb752 JSEC |
1401 | else \ |
1402 | return -EINVAL;\ | |
dea3101e JB |
1403 | } |
1404 | ||
e59058c4 | 1405 | /** |
3621a710 | 1406 | * lpfc_vport_param_show - Return decimal formatted cfg attribute value |
e59058c4 JS |
1407 | * |
1408 | * Description: | |
1409 | * Macro that given an attr e.g. hba_queue_depth expands | |
1410 | * into a function with the name lpfc_hba_queue_depth_show | |
1411 | * | |
1412 | * lpfc_##attr##_show: prints the attribute value in decimal. | |
1413 | * @dev: class device that is converted into a Scsi_host. | |
1414 | * @attr: device attribute, not used. | |
1415 | * @buf: on return contains the attribute value in decimal. | |
1416 | * | |
1417 | * Returns: length of formatted string. | |
1418 | **/ | |
3de2a653 JS |
1419 | #define lpfc_vport_param_show(attr) \ |
1420 | static ssize_t \ | |
ee959b00 TJ |
1421 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
1422 | char *buf) \ | |
3de2a653 | 1423 | { \ |
ee959b00 | 1424 | struct Scsi_Host *shost = class_to_shost(dev);\ |
3de2a653 | 1425 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
84d1b006 | 1426 | uint val = 0;\ |
3de2a653 JS |
1427 | val = vport->cfg_##attr;\ |
1428 | return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_##attr);\ | |
1429 | } | |
1430 | ||
e59058c4 | 1431 | /** |
3621a710 | 1432 | * lpfc_vport_param_hex_show - Return hex formatted attribute value |
e59058c4 JS |
1433 | * |
1434 | * Description: | |
1435 | * Macro that given an attr e.g. | |
1436 | * hba_queue_depth expands into a function with the name | |
1437 | * lpfc_hba_queue_depth_show | |
1438 | * | |
3621a710 | 1439 | * lpfc_##attr##_show: prints the attribute value in hexadecimal. |
e59058c4 JS |
1440 | * @dev: class device that is converted into a Scsi_host. |
1441 | * @attr: device attribute, not used. | |
3621a710 | 1442 | * @buf: on return contains the attribute value in hexadecimal. |
e59058c4 JS |
1443 | * |
1444 | * Returns: length of formatted string. | |
1445 | **/ | |
3de2a653 JS |
1446 | #define lpfc_vport_param_hex_show(attr) \ |
1447 | static ssize_t \ | |
ee959b00 TJ |
1448 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
1449 | char *buf) \ | |
3de2a653 | 1450 | { \ |
ee959b00 | 1451 | struct Scsi_Host *shost = class_to_shost(dev);\ |
3de2a653 | 1452 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
84d1b006 | 1453 | uint val = 0;\ |
3de2a653 JS |
1454 | val = vport->cfg_##attr;\ |
1455 | return snprintf(buf, PAGE_SIZE, "%#x\n", vport->cfg_##attr);\ | |
1456 | } | |
1457 | ||
e59058c4 | 1458 | /** |
3621a710 | 1459 | * lpfc_vport_param_init - Initialize a vport cfg attribute |
e59058c4 JS |
1460 | * |
1461 | * Description: | |
1462 | * Macro that given an attr e.g. hba_queue_depth expands | |
1463 | * into a function with the name lpfc_hba_queue_depth_init. The macro also | |
1464 | * takes a default argument, a minimum and maximum argument. | |
1465 | * | |
1466 | * lpfc_##attr##_init: validates the min and max values then sets the | |
1467 | * adapter config field accordingly, or uses the default if out of range | |
1468 | * and prints an error message. | |
1469 | * @phba: pointer the the adapter structure. | |
1470 | * @val: integer attribute value. | |
1471 | * | |
1472 | * Returns: | |
1473 | * zero on success | |
1474 | * -EINVAL if default used | |
1475 | **/ | |
3de2a653 JS |
1476 | #define lpfc_vport_param_init(attr, default, minval, maxval) \ |
1477 | static int \ | |
84d1b006 | 1478 | lpfc_##attr##_init(struct lpfc_vport *vport, uint val) \ |
3de2a653 JS |
1479 | { \ |
1480 | if (val >= minval && val <= maxval) {\ | |
1481 | vport->cfg_##attr = val;\ | |
1482 | return 0;\ | |
1483 | }\ | |
e8b62011 | 1484 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \ |
d7c255b2 | 1485 | "0423 lpfc_"#attr" attribute cannot be set to %d, "\ |
e8b62011 | 1486 | "allowed range is ["#minval", "#maxval"]\n", val); \ |
3de2a653 JS |
1487 | vport->cfg_##attr = default;\ |
1488 | return -EINVAL;\ | |
1489 | } | |
1490 | ||
e59058c4 | 1491 | /** |
3621a710 | 1492 | * lpfc_vport_param_set - Set a vport cfg attribute |
e59058c4 JS |
1493 | * |
1494 | * Description: | |
1495 | * Macro that given an attr e.g. hba_queue_depth expands | |
1496 | * into a function with the name lpfc_hba_queue_depth_set | |
1497 | * | |
1498 | * lpfc_##attr##_set: validates the min and max values then sets the | |
1499 | * adapter config field if in the valid range. prints error message | |
1500 | * and does not set the parameter if invalid. | |
1501 | * @phba: pointer the the adapter structure. | |
1502 | * @val: integer attribute value. | |
1503 | * | |
1504 | * Returns: | |
1505 | * zero on success | |
1506 | * -EINVAL if val is invalid | |
1507 | **/ | |
3de2a653 JS |
1508 | #define lpfc_vport_param_set(attr, default, minval, maxval) \ |
1509 | static int \ | |
84d1b006 | 1510 | lpfc_##attr##_set(struct lpfc_vport *vport, uint val) \ |
3de2a653 JS |
1511 | { \ |
1512 | if (val >= minval && val <= maxval) {\ | |
1513 | vport->cfg_##attr = val;\ | |
1514 | return 0;\ | |
1515 | }\ | |
e8b62011 | 1516 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \ |
d7c255b2 | 1517 | "0424 lpfc_"#attr" attribute cannot be set to %d, "\ |
e8b62011 | 1518 | "allowed range is ["#minval", "#maxval"]\n", val); \ |
3de2a653 JS |
1519 | return -EINVAL;\ |
1520 | } | |
1521 | ||
e59058c4 | 1522 | /** |
3621a710 | 1523 | * lpfc_vport_param_store - Set a vport attribute |
e59058c4 JS |
1524 | * |
1525 | * Description: | |
1526 | * Macro that given an attr e.g. hba_queue_depth | |
1527 | * expands into a function with the name lpfc_hba_queue_depth_store | |
1528 | * | |
1529 | * lpfc_##attr##_store: convert the ascii text number to an integer, then | |
1530 | * use the lpfc_##attr##_set function to set the value. | |
1531 | * @cdev: class device that is converted into a Scsi_host. | |
1532 | * @buf: contains the attribute value in decimal. | |
1533 | * @count: not used. | |
1534 | * | |
1535 | * Returns: | |
1536 | * -EINVAL if val is invalid or lpfc_##attr##_set() fails | |
1537 | * length of buffer upon success. | |
1538 | **/ | |
3de2a653 JS |
1539 | #define lpfc_vport_param_store(attr) \ |
1540 | static ssize_t \ | |
ee959b00 TJ |
1541 | lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \ |
1542 | const char *buf, size_t count) \ | |
3de2a653 | 1543 | { \ |
ee959b00 | 1544 | struct Scsi_Host *shost = class_to_shost(dev);\ |
3de2a653 | 1545 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
84d1b006 | 1546 | uint val = 0;\ |
3de2a653 JS |
1547 | if (!isdigit(buf[0]))\ |
1548 | return -EINVAL;\ | |
1549 | if (sscanf(buf, "%i", &val) != 1)\ | |
1550 | return -EINVAL;\ | |
1551 | if (lpfc_##attr##_set(vport, val) == 0) \ | |
1552 | return strlen(buf);\ | |
1553 | else \ | |
1554 | return -EINVAL;\ | |
1555 | } | |
1556 | ||
1557 | ||
7bcbb752 | 1558 | #define LPFC_ATTR(name, defval, minval, maxval, desc) \ |
84d1b006 JS |
1559 | static uint lpfc_##name = defval;\ |
1560 | module_param(lpfc_##name, uint, 0);\ | |
dea3101e | 1561 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
7bcbb752 | 1562 | lpfc_param_init(name, defval, minval, maxval) |
dea3101e JB |
1563 | |
1564 | #define LPFC_ATTR_R(name, defval, minval, maxval, desc) \ | |
84d1b006 JS |
1565 | static uint lpfc_##name = defval;\ |
1566 | module_param(lpfc_##name, uint, 0);\ | |
dea3101e JB |
1567 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1568 | lpfc_param_show(name)\ | |
7bcbb752 | 1569 | lpfc_param_init(name, defval, minval, maxval)\ |
ee959b00 | 1570 | static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
dea3101e JB |
1571 | |
1572 | #define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \ | |
84d1b006 JS |
1573 | static uint lpfc_##name = defval;\ |
1574 | module_param(lpfc_##name, uint, 0);\ | |
dea3101e JB |
1575 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1576 | lpfc_param_show(name)\ | |
7bcbb752 JSEC |
1577 | lpfc_param_init(name, defval, minval, maxval)\ |
1578 | lpfc_param_set(name, defval, minval, maxval)\ | |
1579 | lpfc_param_store(name)\ | |
ee959b00 TJ |
1580 | static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
1581 | lpfc_##name##_show, lpfc_##name##_store) | |
dea3101e | 1582 | |
93a20f74 | 1583 | #define LPFC_ATTR_HEX_R(name, defval, minval, maxval, desc) \ |
84d1b006 JS |
1584 | static uint lpfc_##name = defval;\ |
1585 | module_param(lpfc_##name, uint, 0);\ | |
93a20f74 JSEC |
1586 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1587 | lpfc_param_hex_show(name)\ | |
1588 | lpfc_param_init(name, defval, minval, maxval)\ | |
ee959b00 | 1589 | static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
93a20f74 JSEC |
1590 | |
1591 | #define LPFC_ATTR_HEX_RW(name, defval, minval, maxval, desc) \ | |
84d1b006 JS |
1592 | static uint lpfc_##name = defval;\ |
1593 | module_param(lpfc_##name, uint, 0);\ | |
93a20f74 JSEC |
1594 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1595 | lpfc_param_hex_show(name)\ | |
1596 | lpfc_param_init(name, defval, minval, maxval)\ | |
1597 | lpfc_param_set(name, defval, minval, maxval)\ | |
1598 | lpfc_param_store(name)\ | |
ee959b00 TJ |
1599 | static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
1600 | lpfc_##name##_show, lpfc_##name##_store) | |
93a20f74 | 1601 | |
3de2a653 | 1602 | #define LPFC_VPORT_ATTR(name, defval, minval, maxval, desc) \ |
84d1b006 JS |
1603 | static uint lpfc_##name = defval;\ |
1604 | module_param(lpfc_##name, uint, 0);\ | |
3de2a653 JS |
1605 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1606 | lpfc_vport_param_init(name, defval, minval, maxval) | |
1607 | ||
1608 | #define LPFC_VPORT_ATTR_R(name, defval, minval, maxval, desc) \ | |
84d1b006 JS |
1609 | static uint lpfc_##name = defval;\ |
1610 | module_param(lpfc_##name, uint, 0);\ | |
3de2a653 JS |
1611 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1612 | lpfc_vport_param_show(name)\ | |
1613 | lpfc_vport_param_init(name, defval, minval, maxval)\ | |
ee959b00 | 1614 | static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
3de2a653 JS |
1615 | |
1616 | #define LPFC_VPORT_ATTR_RW(name, defval, minval, maxval, desc) \ | |
84d1b006 JS |
1617 | static uint lpfc_##name = defval;\ |
1618 | module_param(lpfc_##name, uint, 0);\ | |
3de2a653 JS |
1619 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1620 | lpfc_vport_param_show(name)\ | |
1621 | lpfc_vport_param_init(name, defval, minval, maxval)\ | |
1622 | lpfc_vport_param_set(name, defval, minval, maxval)\ | |
1623 | lpfc_vport_param_store(name)\ | |
ee959b00 TJ |
1624 | static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
1625 | lpfc_##name##_show, lpfc_##name##_store) | |
3de2a653 JS |
1626 | |
1627 | #define LPFC_VPORT_ATTR_HEX_R(name, defval, minval, maxval, desc) \ | |
84d1b006 JS |
1628 | static uint lpfc_##name = defval;\ |
1629 | module_param(lpfc_##name, uint, 0);\ | |
3de2a653 JS |
1630 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1631 | lpfc_vport_param_hex_show(name)\ | |
1632 | lpfc_vport_param_init(name, defval, minval, maxval)\ | |
ee959b00 | 1633 | static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
3de2a653 JS |
1634 | |
1635 | #define LPFC_VPORT_ATTR_HEX_RW(name, defval, minval, maxval, desc) \ | |
84d1b006 JS |
1636 | static uint lpfc_##name = defval;\ |
1637 | module_param(lpfc_##name, uint, 0);\ | |
3de2a653 JS |
1638 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1639 | lpfc_vport_param_hex_show(name)\ | |
1640 | lpfc_vport_param_init(name, defval, minval, maxval)\ | |
1641 | lpfc_vport_param_set(name, defval, minval, maxval)\ | |
1642 | lpfc_vport_param_store(name)\ | |
ee959b00 TJ |
1643 | static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
1644 | lpfc_##name##_show, lpfc_##name##_store) | |
1645 | ||
81301a9b JS |
1646 | static DEVICE_ATTR(bg_info, S_IRUGO, lpfc_bg_info_show, NULL); |
1647 | static DEVICE_ATTR(bg_guard_err, S_IRUGO, lpfc_bg_guard_err_show, NULL); | |
1648 | static DEVICE_ATTR(bg_apptag_err, S_IRUGO, lpfc_bg_apptag_err_show, NULL); | |
1649 | static DEVICE_ATTR(bg_reftag_err, S_IRUGO, lpfc_bg_reftag_err_show, NULL); | |
ee959b00 TJ |
1650 | static DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL); |
1651 | static DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL); | |
1652 | static DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL); | |
1653 | static DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL); | |
1654 | static DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL); | |
1655 | static DEVICE_ATTR(portnum, S_IRUGO, lpfc_vportnum_show, NULL); | |
1656 | static DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL); | |
1657 | static DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL); | |
84d1b006 JS |
1658 | static DEVICE_ATTR(link_state, S_IRUGO | S_IWUSR, lpfc_link_state_show, |
1659 | lpfc_link_state_store); | |
ee959b00 TJ |
1660 | static DEVICE_ATTR(option_rom_version, S_IRUGO, |
1661 | lpfc_option_rom_version_show, NULL); | |
1662 | static DEVICE_ATTR(num_discovered_ports, S_IRUGO, | |
1663 | lpfc_num_discovered_ports_show, NULL); | |
84774a4d | 1664 | static DEVICE_ATTR(menlo_mgmt_mode, S_IRUGO, lpfc_mlomgmt_show, NULL); |
ee959b00 TJ |
1665 | static DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL); |
1666 | static DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show, NULL); | |
45ed1190 | 1667 | static DEVICE_ATTR(lpfc_enable_fip, S_IRUGO, lpfc_enable_fip_show, NULL); |
ee959b00 TJ |
1668 | static DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR, |
1669 | lpfc_board_mode_show, lpfc_board_mode_store); | |
1670 | static DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset); | |
1671 | static DEVICE_ATTR(max_vpi, S_IRUGO, lpfc_max_vpi_show, NULL); | |
1672 | static DEVICE_ATTR(used_vpi, S_IRUGO, lpfc_used_vpi_show, NULL); | |
1673 | static DEVICE_ATTR(max_rpi, S_IRUGO, lpfc_max_rpi_show, NULL); | |
1674 | static DEVICE_ATTR(used_rpi, S_IRUGO, lpfc_used_rpi_show, NULL); | |
1675 | static DEVICE_ATTR(max_xri, S_IRUGO, lpfc_max_xri_show, NULL); | |
1676 | static DEVICE_ATTR(used_xri, S_IRUGO, lpfc_used_xri_show, NULL); | |
1677 | static DEVICE_ATTR(npiv_info, S_IRUGO, lpfc_npiv_info_show, NULL); | |
1678 | static DEVICE_ATTR(lpfc_temp_sensor, S_IRUGO, lpfc_temp_sensor_show, NULL); | |
dea3101e | 1679 | |
c3f28afa | 1680 | |
a12e07bc | 1681 | static char *lpfc_soft_wwn_key = "C99G71SL8032A"; |
c3f28afa | 1682 | |
e59058c4 | 1683 | /** |
3621a710 | 1684 | * lpfc_soft_wwn_enable_store - Allows setting of the wwn if the key is valid |
e59058c4 JS |
1685 | * @dev: class device that is converted into a Scsi_host. |
1686 | * @attr: device attribute, not used. | |
1687 | * @buf: containing the string lpfc_soft_wwn_key. | |
1688 | * @count: must be size of lpfc_soft_wwn_key. | |
1689 | * | |
1690 | * Returns: | |
1691 | * -EINVAL if the buffer does not contain lpfc_soft_wwn_key | |
1692 | * length of buf indicates success | |
1693 | **/ | |
c3f28afa | 1694 | static ssize_t |
ee959b00 TJ |
1695 | lpfc_soft_wwn_enable_store(struct device *dev, struct device_attribute *attr, |
1696 | const char *buf, size_t count) | |
c3f28afa | 1697 | { |
ee959b00 | 1698 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1699 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1700 | struct lpfc_hba *phba = vport->phba; | |
c3f28afa JS |
1701 | unsigned int cnt = count; |
1702 | ||
1703 | /* | |
1704 | * We're doing a simple sanity check for soft_wwpn setting. | |
1705 | * We require that the user write a specific key to enable | |
1706 | * the soft_wwpn attribute to be settable. Once the attribute | |
1707 | * is written, the enable key resets. If further updates are | |
1708 | * desired, the key must be written again to re-enable the | |
1709 | * attribute. | |
1710 | * | |
1711 | * The "key" is not secret - it is a hardcoded string shown | |
1712 | * here. The intent is to protect against the random user or | |
1713 | * application that is just writing attributes. | |
1714 | */ | |
1715 | ||
1716 | /* count may include a LF at end of string */ | |
1717 | if (buf[cnt-1] == '\n') | |
1718 | cnt--; | |
1719 | ||
a12e07bc JS |
1720 | if ((cnt != strlen(lpfc_soft_wwn_key)) || |
1721 | (strncmp(buf, lpfc_soft_wwn_key, strlen(lpfc_soft_wwn_key)) != 0)) | |
c3f28afa JS |
1722 | return -EINVAL; |
1723 | ||
a12e07bc | 1724 | phba->soft_wwn_enable = 1; |
c3f28afa JS |
1725 | return count; |
1726 | } | |
ee959b00 TJ |
1727 | static DEVICE_ATTR(lpfc_soft_wwn_enable, S_IWUSR, NULL, |
1728 | lpfc_soft_wwn_enable_store); | |
c3f28afa | 1729 | |
e59058c4 | 1730 | /** |
3621a710 | 1731 | * lpfc_soft_wwpn_show - Return the cfg soft ww port name of the adapter |
e59058c4 JS |
1732 | * @dev: class device that is converted into a Scsi_host. |
1733 | * @attr: device attribute, not used. | |
3621a710 | 1734 | * @buf: on return contains the wwpn in hexadecimal. |
e59058c4 JS |
1735 | * |
1736 | * Returns: size of formatted string. | |
1737 | **/ | |
c3f28afa | 1738 | static ssize_t |
ee959b00 TJ |
1739 | lpfc_soft_wwpn_show(struct device *dev, struct device_attribute *attr, |
1740 | char *buf) | |
c3f28afa | 1741 | { |
ee959b00 | 1742 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1743 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1744 | struct lpfc_hba *phba = vport->phba; | |
1745 | ||
afc071e6 RD |
1746 | return snprintf(buf, PAGE_SIZE, "0x%llx\n", |
1747 | (unsigned long long)phba->cfg_soft_wwpn); | |
c3f28afa JS |
1748 | } |
1749 | ||
e59058c4 | 1750 | /** |
3621a710 | 1751 | * lpfc_soft_wwpn_store - Set the ww port name of the adapter |
e59058c4 JS |
1752 | * @dev class device that is converted into a Scsi_host. |
1753 | * @attr: device attribute, not used. | |
3621a710 | 1754 | * @buf: contains the wwpn in hexadecimal. |
e59058c4 JS |
1755 | * @count: number of wwpn bytes in buf |
1756 | * | |
1757 | * Returns: | |
1758 | * -EACCES hba reset not enabled, adapter over temp | |
1759 | * -EINVAL soft wwn not enabled, count is invalid, invalid wwpn byte invalid | |
1760 | * -EIO error taking adapter offline or online | |
1761 | * value of count on success | |
1762 | **/ | |
c3f28afa | 1763 | static ssize_t |
ee959b00 TJ |
1764 | lpfc_soft_wwpn_store(struct device *dev, struct device_attribute *attr, |
1765 | const char *buf, size_t count) | |
c3f28afa | 1766 | { |
ee959b00 | 1767 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1768 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1769 | struct lpfc_hba *phba = vport->phba; | |
c3f28afa JS |
1770 | struct completion online_compl; |
1771 | int stat1=0, stat2=0; | |
1772 | unsigned int i, j, cnt=count; | |
1773 | u8 wwpn[8]; | |
1774 | ||
13815c83 JS |
1775 | if (!phba->cfg_enable_hba_reset) |
1776 | return -EACCES; | |
7af67051 JS |
1777 | spin_lock_irq(&phba->hbalock); |
1778 | if (phba->over_temp_state == HBA_OVER_TEMP) { | |
1779 | spin_unlock_irq(&phba->hbalock); | |
09372820 | 1780 | return -EACCES; |
7af67051 JS |
1781 | } |
1782 | spin_unlock_irq(&phba->hbalock); | |
c3f28afa JS |
1783 | /* count may include a LF at end of string */ |
1784 | if (buf[cnt-1] == '\n') | |
1785 | cnt--; | |
1786 | ||
a12e07bc | 1787 | if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) || |
c3f28afa JS |
1788 | ((cnt == 17) && (*buf++ != 'x')) || |
1789 | ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x')))) | |
1790 | return -EINVAL; | |
1791 | ||
a12e07bc | 1792 | phba->soft_wwn_enable = 0; |
c3f28afa JS |
1793 | |
1794 | memset(wwpn, 0, sizeof(wwpn)); | |
1795 | ||
1796 | /* Validate and store the new name */ | |
1797 | for (i=0, j=0; i < 16; i++) { | |
1798 | if ((*buf >= 'a') && (*buf <= 'f')) | |
1799 | j = ((j << 4) | ((*buf++ -'a') + 10)); | |
1800 | else if ((*buf >= 'A') && (*buf <= 'F')) | |
1801 | j = ((j << 4) | ((*buf++ -'A') + 10)); | |
1802 | else if ((*buf >= '0') && (*buf <= '9')) | |
1803 | j = ((j << 4) | (*buf++ -'0')); | |
1804 | else | |
1805 | return -EINVAL; | |
1806 | if (i % 2) { | |
1807 | wwpn[i/2] = j & 0xff; | |
1808 | j = 0; | |
1809 | } | |
1810 | } | |
1811 | phba->cfg_soft_wwpn = wwn_to_u64(wwpn); | |
2e0fef85 | 1812 | fc_host_port_name(shost) = phba->cfg_soft_wwpn; |
a12e07bc | 1813 | if (phba->cfg_soft_wwnn) |
2e0fef85 | 1814 | fc_host_node_name(shost) = phba->cfg_soft_wwnn; |
c3f28afa JS |
1815 | |
1816 | dev_printk(KERN_NOTICE, &phba->pcidev->dev, | |
1817 | "lpfc%d: Reinitializing to use soft_wwpn\n", phba->brd_no); | |
1818 | ||
46fa311e | 1819 | stat1 = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); |
c3f28afa JS |
1820 | if (stat1) |
1821 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
e8b62011 JS |
1822 | "0463 lpfc_soft_wwpn attribute set failed to " |
1823 | "reinit adapter - %d\n", stat1); | |
c3f28afa JS |
1824 | init_completion(&online_compl); |
1825 | lpfc_workq_post_event(phba, &stat2, &online_compl, LPFC_EVT_ONLINE); | |
1826 | wait_for_completion(&online_compl); | |
1827 | if (stat2) | |
1828 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
e8b62011 JS |
1829 | "0464 lpfc_soft_wwpn attribute set failed to " |
1830 | "reinit adapter - %d\n", stat2); | |
c3f28afa JS |
1831 | return (stat1 || stat2) ? -EIO : count; |
1832 | } | |
ee959b00 TJ |
1833 | static DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR,\ |
1834 | lpfc_soft_wwpn_show, lpfc_soft_wwpn_store); | |
c3f28afa | 1835 | |
e59058c4 | 1836 | /** |
3621a710 | 1837 | * lpfc_soft_wwnn_show - Return the cfg soft ww node name for the adapter |
e59058c4 JS |
1838 | * @dev: class device that is converted into a Scsi_host. |
1839 | * @attr: device attribute, not used. | |
3621a710 | 1840 | * @buf: on return contains the wwnn in hexadecimal. |
e59058c4 JS |
1841 | * |
1842 | * Returns: size of formatted string. | |
1843 | **/ | |
a12e07bc | 1844 | static ssize_t |
ee959b00 TJ |
1845 | lpfc_soft_wwnn_show(struct device *dev, struct device_attribute *attr, |
1846 | char *buf) | |
a12e07bc | 1847 | { |
ee959b00 | 1848 | struct Scsi_Host *shost = class_to_shost(dev); |
51ef4c26 | 1849 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; |
a12e07bc JS |
1850 | return snprintf(buf, PAGE_SIZE, "0x%llx\n", |
1851 | (unsigned long long)phba->cfg_soft_wwnn); | |
1852 | } | |
1853 | ||
e59058c4 | 1854 | /** |
3621a710 | 1855 | * lpfc_soft_wwnn_store - sets the ww node name of the adapter |
e59058c4 | 1856 | * @cdev: class device that is converted into a Scsi_host. |
3621a710 | 1857 | * @buf: contains the ww node name in hexadecimal. |
e59058c4 JS |
1858 | * @count: number of wwnn bytes in buf. |
1859 | * | |
1860 | * Returns: | |
1861 | * -EINVAL soft wwn not enabled, count is invalid, invalid wwnn byte invalid | |
1862 | * value of count on success | |
1863 | **/ | |
a12e07bc | 1864 | static ssize_t |
ee959b00 TJ |
1865 | lpfc_soft_wwnn_store(struct device *dev, struct device_attribute *attr, |
1866 | const char *buf, size_t count) | |
a12e07bc | 1867 | { |
ee959b00 | 1868 | struct Scsi_Host *shost = class_to_shost(dev); |
51ef4c26 | 1869 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; |
a12e07bc JS |
1870 | unsigned int i, j, cnt=count; |
1871 | u8 wwnn[8]; | |
1872 | ||
1873 | /* count may include a LF at end of string */ | |
1874 | if (buf[cnt-1] == '\n') | |
1875 | cnt--; | |
1876 | ||
1877 | if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) || | |
1878 | ((cnt == 17) && (*buf++ != 'x')) || | |
1879 | ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x')))) | |
1880 | return -EINVAL; | |
1881 | ||
1882 | /* | |
1883 | * Allow wwnn to be set many times, as long as the enable is set. | |
1884 | * However, once the wwpn is set, everything locks. | |
1885 | */ | |
1886 | ||
1887 | memset(wwnn, 0, sizeof(wwnn)); | |
1888 | ||
1889 | /* Validate and store the new name */ | |
1890 | for (i=0, j=0; i < 16; i++) { | |
1891 | if ((*buf >= 'a') && (*buf <= 'f')) | |
1892 | j = ((j << 4) | ((*buf++ -'a') + 10)); | |
1893 | else if ((*buf >= 'A') && (*buf <= 'F')) | |
1894 | j = ((j << 4) | ((*buf++ -'A') + 10)); | |
1895 | else if ((*buf >= '0') && (*buf <= '9')) | |
1896 | j = ((j << 4) | (*buf++ -'0')); | |
1897 | else | |
1898 | return -EINVAL; | |
1899 | if (i % 2) { | |
1900 | wwnn[i/2] = j & 0xff; | |
1901 | j = 0; | |
1902 | } | |
1903 | } | |
1904 | phba->cfg_soft_wwnn = wwn_to_u64(wwnn); | |
1905 | ||
1906 | dev_printk(KERN_NOTICE, &phba->pcidev->dev, | |
1907 | "lpfc%d: soft_wwnn set. Value will take effect upon " | |
1908 | "setting of the soft_wwpn\n", phba->brd_no); | |
1909 | ||
1910 | return count; | |
1911 | } | |
ee959b00 TJ |
1912 | static DEVICE_ATTR(lpfc_soft_wwnn, S_IRUGO | S_IWUSR,\ |
1913 | lpfc_soft_wwnn_show, lpfc_soft_wwnn_store); | |
a12e07bc | 1914 | |
c3f28afa | 1915 | |
875fbdfe JSEC |
1916 | static int lpfc_poll = 0; |
1917 | module_param(lpfc_poll, int, 0); | |
1918 | MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:" | |
1919 | " 0 - none," | |
1920 | " 1 - poll with interrupts enabled" | |
1921 | " 3 - poll and disable FCP ring interrupts"); | |
1922 | ||
ee959b00 TJ |
1923 | static DEVICE_ATTR(lpfc_poll, S_IRUGO | S_IWUSR, |
1924 | lpfc_poll_show, lpfc_poll_store); | |
dea3101e | 1925 | |
92d7f7b0 JS |
1926 | int lpfc_sli_mode = 0; |
1927 | module_param(lpfc_sli_mode, int, 0); | |
1928 | MODULE_PARM_DESC(lpfc_sli_mode, "SLI mode selector:" | |
1929 | " 0 - auto (SLI-3 if supported)," | |
1930 | " 2 - select SLI-2 even on SLI-3 capable HBAs," | |
1931 | " 3 - select SLI-3"); | |
1932 | ||
15672319 | 1933 | int lpfc_enable_npiv = 1; |
7ee5d43e JS |
1934 | module_param(lpfc_enable_npiv, int, 0); |
1935 | MODULE_PARM_DESC(lpfc_enable_npiv, "Enable NPIV functionality"); | |
1936 | lpfc_param_show(enable_npiv); | |
4b40c59e | 1937 | lpfc_param_init(enable_npiv, 1, 0, 1); |
15672319 | 1938 | static DEVICE_ATTR(lpfc_enable_npiv, S_IRUGO, lpfc_enable_npiv_show, NULL); |
92d7f7b0 | 1939 | |
84d1b006 JS |
1940 | /* |
1941 | # lpfc_suppress_link_up: Bring link up at initialization | |
1942 | # 0x0 = bring link up (issue MBX_INIT_LINK) | |
1943 | # 0x1 = do NOT bring link up at initialization(MBX_INIT_LINK) | |
1944 | # 0x2 = never bring up link | |
1945 | # Default value is 0. | |
1946 | */ | |
e40a02c1 JS |
1947 | LPFC_ATTR_R(suppress_link_up, LPFC_INITIALIZE_LINK, LPFC_INITIALIZE_LINK, |
1948 | LPFC_DELAY_INIT_LINK_INDEFINITELY, | |
1949 | "Suppress Link Up at initialization"); | |
2a9bf3d0 JS |
1950 | /* |
1951 | # lpfc_cnt: Number of IOCBs allocated for ELS, CT, and ABTS | |
1952 | # 1 - (1024) | |
1953 | # 2 - (2048) | |
1954 | # 3 - (3072) | |
1955 | # 4 - (4096) | |
1956 | # 5 - (5120) | |
1957 | */ | |
1958 | static ssize_t | |
1959 | lpfc_iocb_hw_show(struct device *dev, struct device_attribute *attr, char *buf) | |
1960 | { | |
1961 | struct Scsi_Host *shost = class_to_shost(dev); | |
1962 | struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba; | |
1963 | ||
1964 | return snprintf(buf, PAGE_SIZE, "%d\n", phba->iocb_max); | |
1965 | } | |
1966 | ||
1967 | static DEVICE_ATTR(iocb_hw, S_IRUGO, | |
1968 | lpfc_iocb_hw_show, NULL); | |
1969 | static ssize_t | |
1970 | lpfc_txq_hw_show(struct device *dev, struct device_attribute *attr, char *buf) | |
1971 | { | |
1972 | struct Scsi_Host *shost = class_to_shost(dev); | |
1973 | struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba; | |
1974 | ||
1975 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
1976 | phba->sli.ring[LPFC_ELS_RING].txq_max); | |
1977 | } | |
1978 | ||
1979 | static DEVICE_ATTR(txq_hw, S_IRUGO, | |
1980 | lpfc_txq_hw_show, NULL); | |
1981 | static ssize_t | |
1982 | lpfc_txcmplq_hw_show(struct device *dev, struct device_attribute *attr, | |
1983 | char *buf) | |
1984 | { | |
1985 | struct Scsi_Host *shost = class_to_shost(dev); | |
1986 | struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba; | |
1987 | ||
1988 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
1989 | phba->sli.ring[LPFC_ELS_RING].txcmplq_max); | |
1990 | } | |
1991 | ||
1992 | static DEVICE_ATTR(txcmplq_hw, S_IRUGO, | |
1993 | lpfc_txcmplq_hw_show, NULL); | |
1994 | ||
1995 | int lpfc_iocb_cnt = 2; | |
1996 | module_param(lpfc_iocb_cnt, int, 1); | |
1997 | MODULE_PARM_DESC(lpfc_iocb_cnt, | |
1998 | "Number of IOCBs alloc for ELS, CT, and ABTS: 1k to 5k IOCBs"); | |
1999 | lpfc_param_show(iocb_cnt); | |
2000 | lpfc_param_init(iocb_cnt, 2, 1, 5); | |
2001 | static DEVICE_ATTR(lpfc_iocb_cnt, S_IRUGO, | |
2002 | lpfc_iocb_cnt_show, NULL); | |
84d1b006 | 2003 | |
c01f3208 JS |
2004 | /* |
2005 | # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear | |
2006 | # until the timer expires. Value range is [0,255]. Default value is 30. | |
2007 | */ | |
2008 | static int lpfc_nodev_tmo = LPFC_DEF_DEVLOSS_TMO; | |
2009 | static int lpfc_devloss_tmo = LPFC_DEF_DEVLOSS_TMO; | |
2010 | module_param(lpfc_nodev_tmo, int, 0); | |
2011 | MODULE_PARM_DESC(lpfc_nodev_tmo, | |
2012 | "Seconds driver will hold I/O waiting " | |
2013 | "for a device to come back"); | |
e59058c4 JS |
2014 | |
2015 | /** | |
3621a710 | 2016 | * lpfc_nodev_tmo_show - Return the hba dev loss timeout value |
e59058c4 JS |
2017 | * @dev: class converted to a Scsi_host structure. |
2018 | * @attr: device attribute, not used. | |
2019 | * @buf: on return contains the dev loss timeout in decimal. | |
2020 | * | |
2021 | * Returns: size of formatted string. | |
2022 | **/ | |
c01f3208 | 2023 | static ssize_t |
ee959b00 TJ |
2024 | lpfc_nodev_tmo_show(struct device *dev, struct device_attribute *attr, |
2025 | char *buf) | |
c01f3208 | 2026 | { |
ee959b00 | 2027 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 | 2028 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
e40a02c1 | 2029 | |
3de2a653 | 2030 | return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_devloss_tmo); |
c01f3208 JS |
2031 | } |
2032 | ||
e59058c4 | 2033 | /** |
3621a710 | 2034 | * lpfc_nodev_tmo_init - Set the hba nodev timeout value |
e59058c4 JS |
2035 | * @vport: lpfc vport structure pointer. |
2036 | * @val: contains the nodev timeout value. | |
2037 | * | |
2038 | * Description: | |
2039 | * If the devloss tmo is already set then nodev tmo is set to devloss tmo, | |
2040 | * a kernel error message is printed and zero is returned. | |
2041 | * Else if val is in range then nodev tmo and devloss tmo are set to val. | |
2042 | * Otherwise nodev tmo is set to the default value. | |
2043 | * | |
2044 | * Returns: | |
2045 | * zero if already set or if val is in range | |
2046 | * -EINVAL val out of range | |
2047 | **/ | |
c01f3208 | 2048 | static int |
3de2a653 JS |
2049 | lpfc_nodev_tmo_init(struct lpfc_vport *vport, int val) |
2050 | { | |
2051 | if (vport->cfg_devloss_tmo != LPFC_DEF_DEVLOSS_TMO) { | |
2052 | vport->cfg_nodev_tmo = vport->cfg_devloss_tmo; | |
2053 | if (val != LPFC_DEF_DEVLOSS_TMO) | |
e8b62011 | 2054 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 2055 | "0407 Ignoring nodev_tmo module " |
e8b62011 JS |
2056 | "parameter because devloss_tmo is " |
2057 | "set.\n"); | |
c01f3208 JS |
2058 | return 0; |
2059 | } | |
2060 | ||
2061 | if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { | |
3de2a653 JS |
2062 | vport->cfg_nodev_tmo = val; |
2063 | vport->cfg_devloss_tmo = val; | |
c01f3208 JS |
2064 | return 0; |
2065 | } | |
e8b62011 JS |
2066 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
2067 | "0400 lpfc_nodev_tmo attribute cannot be set to" | |
2068 | " %d, allowed range is [%d, %d]\n", | |
2069 | val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO); | |
3de2a653 | 2070 | vport->cfg_nodev_tmo = LPFC_DEF_DEVLOSS_TMO; |
c01f3208 JS |
2071 | return -EINVAL; |
2072 | } | |
2073 | ||
e59058c4 | 2074 | /** |
3621a710 | 2075 | * lpfc_update_rport_devloss_tmo - Update dev loss tmo value |
e59058c4 JS |
2076 | * @vport: lpfc vport structure pointer. |
2077 | * | |
2078 | * Description: | |
2079 | * Update all the ndlp's dev loss tmo with the vport devloss tmo value. | |
2080 | **/ | |
7054a606 | 2081 | static void |
3de2a653 | 2082 | lpfc_update_rport_devloss_tmo(struct lpfc_vport *vport) |
7054a606 | 2083 | { |
858c9f6c | 2084 | struct Scsi_Host *shost; |
7054a606 JS |
2085 | struct lpfc_nodelist *ndlp; |
2086 | ||
51ef4c26 JS |
2087 | shost = lpfc_shost_from_vport(vport); |
2088 | spin_lock_irq(shost->host_lock); | |
2089 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) | |
e47c9093 | 2090 | if (NLP_CHK_NODE_ACT(ndlp) && ndlp->rport) |
51ef4c26 JS |
2091 | ndlp->rport->dev_loss_tmo = vport->cfg_devloss_tmo; |
2092 | spin_unlock_irq(shost->host_lock); | |
7054a606 JS |
2093 | } |
2094 | ||
e59058c4 | 2095 | /** |
3621a710 | 2096 | * lpfc_nodev_tmo_set - Set the vport nodev tmo and devloss tmo values |
e59058c4 JS |
2097 | * @vport: lpfc vport structure pointer. |
2098 | * @val: contains the tmo value. | |
2099 | * | |
2100 | * Description: | |
2101 | * If the devloss tmo is already set or the vport dev loss tmo has changed | |
2102 | * then a kernel error message is printed and zero is returned. | |
2103 | * Else if val is in range then nodev tmo and devloss tmo are set to val. | |
2104 | * Otherwise nodev tmo is set to the default value. | |
2105 | * | |
2106 | * Returns: | |
2107 | * zero if already set or if val is in range | |
2108 | * -EINVAL val out of range | |
2109 | **/ | |
c01f3208 | 2110 | static int |
3de2a653 | 2111 | lpfc_nodev_tmo_set(struct lpfc_vport *vport, int val) |
c01f3208 | 2112 | { |
3de2a653 JS |
2113 | if (vport->dev_loss_tmo_changed || |
2114 | (lpfc_devloss_tmo != LPFC_DEF_DEVLOSS_TMO)) { | |
e8b62011 JS |
2115 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
2116 | "0401 Ignoring change to nodev_tmo " | |
2117 | "because devloss_tmo is set.\n"); | |
c01f3208 JS |
2118 | return 0; |
2119 | } | |
c01f3208 | 2120 | if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { |
3de2a653 JS |
2121 | vport->cfg_nodev_tmo = val; |
2122 | vport->cfg_devloss_tmo = val; | |
2123 | lpfc_update_rport_devloss_tmo(vport); | |
c01f3208 JS |
2124 | return 0; |
2125 | } | |
e8b62011 JS |
2126 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
2127 | "0403 lpfc_nodev_tmo attribute cannot be set to" | |
2128 | "%d, allowed range is [%d, %d]\n", | |
2129 | val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO); | |
c01f3208 JS |
2130 | return -EINVAL; |
2131 | } | |
2132 | ||
3de2a653 | 2133 | lpfc_vport_param_store(nodev_tmo) |
c01f3208 | 2134 | |
ee959b00 TJ |
2135 | static DEVICE_ATTR(lpfc_nodev_tmo, S_IRUGO | S_IWUSR, |
2136 | lpfc_nodev_tmo_show, lpfc_nodev_tmo_store); | |
c01f3208 JS |
2137 | |
2138 | /* | |
2139 | # lpfc_devloss_tmo: If set, it will hold all I/O errors on devices that | |
2140 | # disappear until the timer expires. Value range is [0,255]. Default | |
2141 | # value is 30. | |
2142 | */ | |
2143 | module_param(lpfc_devloss_tmo, int, 0); | |
2144 | MODULE_PARM_DESC(lpfc_devloss_tmo, | |
2145 | "Seconds driver will hold I/O waiting " | |
2146 | "for a device to come back"); | |
3de2a653 JS |
2147 | lpfc_vport_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO, |
2148 | LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO) | |
2149 | lpfc_vport_param_show(devloss_tmo) | |
e59058c4 JS |
2150 | |
2151 | /** | |
3621a710 | 2152 | * lpfc_devloss_tmo_set - Sets vport nodev tmo, devloss tmo values, changed bit |
e59058c4 JS |
2153 | * @vport: lpfc vport structure pointer. |
2154 | * @val: contains the tmo value. | |
2155 | * | |
2156 | * Description: | |
2157 | * If val is in a valid range then set the vport nodev tmo, | |
2158 | * devloss tmo, also set the vport dev loss tmo changed flag. | |
2159 | * Else a kernel error message is printed. | |
2160 | * | |
2161 | * Returns: | |
2162 | * zero if val is in range | |
2163 | * -EINVAL val out of range | |
2164 | **/ | |
c01f3208 | 2165 | static int |
3de2a653 | 2166 | lpfc_devloss_tmo_set(struct lpfc_vport *vport, int val) |
c01f3208 JS |
2167 | { |
2168 | if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { | |
3de2a653 JS |
2169 | vport->cfg_nodev_tmo = val; |
2170 | vport->cfg_devloss_tmo = val; | |
2171 | vport->dev_loss_tmo_changed = 1; | |
2172 | lpfc_update_rport_devloss_tmo(vport); | |
c01f3208 JS |
2173 | return 0; |
2174 | } | |
2175 | ||
e8b62011 JS |
2176 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
2177 | "0404 lpfc_devloss_tmo attribute cannot be set to" | |
2178 | " %d, allowed range is [%d, %d]\n", | |
2179 | val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO); | |
c01f3208 JS |
2180 | return -EINVAL; |
2181 | } | |
2182 | ||
3de2a653 | 2183 | lpfc_vport_param_store(devloss_tmo) |
ee959b00 TJ |
2184 | static DEVICE_ATTR(lpfc_devloss_tmo, S_IRUGO | S_IWUSR, |
2185 | lpfc_devloss_tmo_show, lpfc_devloss_tmo_store); | |
c01f3208 | 2186 | |
dea3101e JB |
2187 | /* |
2188 | # lpfc_log_verbose: Only turn this flag on if you are willing to risk being | |
2189 | # deluged with LOTS of information. | |
2190 | # You can set a bit mask to record specific types of verbose messages: | |
f4b4c68f | 2191 | # See lpfc_logmsh.h for definitions. |
dea3101e | 2192 | */ |
f4b4c68f | 2193 | LPFC_VPORT_ATTR_HEX_RW(log_verbose, 0x0, 0x0, 0xffffffff, |
e8b62011 | 2194 | "Verbose logging bit-mask"); |
dea3101e | 2195 | |
7ee5d43e JS |
2196 | /* |
2197 | # lpfc_enable_da_id: This turns on the DA_ID CT command that deregisters | |
2198 | # objects that have been registered with the nameserver after login. | |
2199 | */ | |
2200 | LPFC_VPORT_ATTR_R(enable_da_id, 0, 0, 1, | |
2201 | "Deregister nameserver objects before LOGO"); | |
2202 | ||
dea3101e JB |
2203 | /* |
2204 | # lun_queue_depth: This parameter is used to limit the number of outstanding | |
2205 | # commands per FCP LUN. Value range is [1,128]. Default value is 30. | |
2206 | */ | |
3de2a653 JS |
2207 | LPFC_VPORT_ATTR_R(lun_queue_depth, 30, 1, 128, |
2208 | "Max number of FCP commands we can queue to a specific LUN"); | |
dea3101e | 2209 | |
7dc517df JS |
2210 | /* |
2211 | # tgt_queue_depth: This parameter is used to limit the number of outstanding | |
2212 | # commands per target port. Value range is [10,65535]. Default value is 65535. | |
2213 | */ | |
2214 | LPFC_VPORT_ATTR_R(tgt_queue_depth, 65535, 10, 65535, | |
2215 | "Max number of FCP commands we can queue to a specific target port"); | |
2216 | ||
b28485ac JW |
2217 | /* |
2218 | # hba_queue_depth: This parameter is used to limit the number of outstanding | |
2219 | # commands per lpfc HBA. Value range is [32,8192]. If this parameter | |
2220 | # value is greater than the maximum number of exchanges supported by the HBA, | |
2221 | # then maximum number of exchanges supported by the HBA is used to determine | |
2222 | # the hba_queue_depth. | |
2223 | */ | |
2224 | LPFC_ATTR_R(hba_queue_depth, 8192, 32, 8192, | |
2225 | "Max number of FCP commands we can queue to a lpfc HBA"); | |
2226 | ||
92d7f7b0 JS |
2227 | /* |
2228 | # peer_port_login: This parameter allows/prevents logins | |
2229 | # between peer ports hosted on the same physical port. | |
2230 | # When this parameter is set 0 peer ports of same physical port | |
2231 | # are not allowed to login to each other. | |
2232 | # When this parameter is set 1 peer ports of same physical port | |
2233 | # are allowed to login to each other. | |
2234 | # Default value of this parameter is 0. | |
2235 | */ | |
3de2a653 JS |
2236 | LPFC_VPORT_ATTR_R(peer_port_login, 0, 0, 1, |
2237 | "Allow peer ports on the same physical port to login to each " | |
2238 | "other."); | |
92d7f7b0 JS |
2239 | |
2240 | /* | |
3de2a653 | 2241 | # restrict_login: This parameter allows/prevents logins |
92d7f7b0 JS |
2242 | # between Virtual Ports and remote initiators. |
2243 | # When this parameter is not set (0) Virtual Ports will accept PLOGIs from | |
2244 | # other initiators and will attempt to PLOGI all remote ports. | |
2245 | # When this parameter is set (1) Virtual Ports will reject PLOGIs from | |
2246 | # remote ports and will not attempt to PLOGI to other initiators. | |
2247 | # This parameter does not restrict to the physical port. | |
2248 | # This parameter does not restrict logins to Fabric resident remote ports. | |
2249 | # Default value of this parameter is 1. | |
2250 | */ | |
3de2a653 JS |
2251 | static int lpfc_restrict_login = 1; |
2252 | module_param(lpfc_restrict_login, int, 0); | |
2253 | MODULE_PARM_DESC(lpfc_restrict_login, | |
2254 | "Restrict virtual ports login to remote initiators."); | |
2255 | lpfc_vport_param_show(restrict_login); | |
2256 | ||
e59058c4 | 2257 | /** |
3621a710 | 2258 | * lpfc_restrict_login_init - Set the vport restrict login flag |
e59058c4 JS |
2259 | * @vport: lpfc vport structure pointer. |
2260 | * @val: contains the restrict login value. | |
2261 | * | |
2262 | * Description: | |
2263 | * If val is not in a valid range then log a kernel error message and set | |
2264 | * the vport restrict login to one. | |
2265 | * If the port type is physical clear the restrict login flag and return. | |
2266 | * Else set the restrict login flag to val. | |
2267 | * | |
2268 | * Returns: | |
2269 | * zero if val is in range | |
2270 | * -EINVAL val out of range | |
2271 | **/ | |
3de2a653 JS |
2272 | static int |
2273 | lpfc_restrict_login_init(struct lpfc_vport *vport, int val) | |
2274 | { | |
2275 | if (val < 0 || val > 1) { | |
e8b62011 | 2276 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 2277 | "0422 lpfc_restrict_login attribute cannot " |
e8b62011 JS |
2278 | "be set to %d, allowed range is [0, 1]\n", |
2279 | val); | |
3de2a653 JS |
2280 | vport->cfg_restrict_login = 1; |
2281 | return -EINVAL; | |
2282 | } | |
2283 | if (vport->port_type == LPFC_PHYSICAL_PORT) { | |
2284 | vport->cfg_restrict_login = 0; | |
2285 | return 0; | |
2286 | } | |
2287 | vport->cfg_restrict_login = val; | |
2288 | return 0; | |
2289 | } | |
2290 | ||
e59058c4 | 2291 | /** |
3621a710 | 2292 | * lpfc_restrict_login_set - Set the vport restrict login flag |
e59058c4 JS |
2293 | * @vport: lpfc vport structure pointer. |
2294 | * @val: contains the restrict login value. | |
2295 | * | |
2296 | * Description: | |
2297 | * If val is not in a valid range then log a kernel error message and set | |
2298 | * the vport restrict login to one. | |
2299 | * If the port type is physical and the val is not zero log a kernel | |
2300 | * error message, clear the restrict login flag and return zero. | |
2301 | * Else set the restrict login flag to val. | |
2302 | * | |
2303 | * Returns: | |
2304 | * zero if val is in range | |
2305 | * -EINVAL val out of range | |
2306 | **/ | |
3de2a653 JS |
2307 | static int |
2308 | lpfc_restrict_login_set(struct lpfc_vport *vport, int val) | |
2309 | { | |
2310 | if (val < 0 || val > 1) { | |
e8b62011 | 2311 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 2312 | "0425 lpfc_restrict_login attribute cannot " |
e8b62011 JS |
2313 | "be set to %d, allowed range is [0, 1]\n", |
2314 | val); | |
3de2a653 JS |
2315 | vport->cfg_restrict_login = 1; |
2316 | return -EINVAL; | |
2317 | } | |
2318 | if (vport->port_type == LPFC_PHYSICAL_PORT && val != 0) { | |
e8b62011 JS |
2319 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
2320 | "0468 lpfc_restrict_login must be 0 for " | |
2321 | "Physical ports.\n"); | |
3de2a653 JS |
2322 | vport->cfg_restrict_login = 0; |
2323 | return 0; | |
2324 | } | |
2325 | vport->cfg_restrict_login = val; | |
2326 | return 0; | |
2327 | } | |
2328 | lpfc_vport_param_store(restrict_login); | |
ee959b00 TJ |
2329 | static DEVICE_ATTR(lpfc_restrict_login, S_IRUGO | S_IWUSR, |
2330 | lpfc_restrict_login_show, lpfc_restrict_login_store); | |
92d7f7b0 | 2331 | |
dea3101e JB |
2332 | /* |
2333 | # Some disk devices have a "select ID" or "select Target" capability. | |
2334 | # From a protocol standpoint "select ID" usually means select the | |
2335 | # Fibre channel "ALPA". In the FC-AL Profile there is an "informative | |
2336 | # annex" which contains a table that maps a "select ID" (a number | |
2337 | # between 0 and 7F) to an ALPA. By default, for compatibility with | |
2338 | # older drivers, the lpfc driver scans this table from low ALPA to high | |
2339 | # ALPA. | |
2340 | # | |
2341 | # Turning on the scan-down variable (on = 1, off = 0) will | |
2342 | # cause the lpfc driver to use an inverted table, effectively | |
2343 | # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1. | |
2344 | # | |
2345 | # (Note: This "select ID" functionality is a LOOP ONLY characteristic | |
2346 | # and will not work across a fabric. Also this parameter will take | |
2347 | # effect only in the case when ALPA map is not available.) | |
2348 | */ | |
3de2a653 JS |
2349 | LPFC_VPORT_ATTR_R(scan_down, 1, 0, 1, |
2350 | "Start scanning for devices from highest ALPA to lowest"); | |
dea3101e | 2351 | |
dea3101e JB |
2352 | /* |
2353 | # lpfc_topology: link topology for init link | |
2354 | # 0x0 = attempt loop mode then point-to-point | |
367c2713 | 2355 | # 0x01 = internal loopback mode |
dea3101e JB |
2356 | # 0x02 = attempt point-to-point mode only |
2357 | # 0x04 = attempt loop mode only | |
2358 | # 0x06 = attempt point-to-point mode then loop | |
2359 | # Set point-to-point mode if you want to run as an N_Port. | |
2360 | # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6]. | |
2361 | # Default value is 0. | |
2362 | */ | |
e59058c4 JS |
2363 | |
2364 | /** | |
3621a710 | 2365 | * lpfc_topology_set - Set the adapters topology field |
e59058c4 JS |
2366 | * @phba: lpfc_hba pointer. |
2367 | * @val: topology value. | |
2368 | * | |
2369 | * Description: | |
2370 | * If val is in a valid range then set the adapter's topology field and | |
2371 | * issue a lip; if the lip fails reset the topology to the old value. | |
2372 | * | |
2373 | * If the value is not in range log a kernel error message and return an error. | |
2374 | * | |
2375 | * Returns: | |
2376 | * zero if val is in range and lip okay | |
2377 | * non-zero return value from lpfc_issue_lip() | |
2378 | * -EINVAL val out of range | |
2379 | **/ | |
a257bf90 JS |
2380 | static ssize_t |
2381 | lpfc_topology_store(struct device *dev, struct device_attribute *attr, | |
2382 | const char *buf, size_t count) | |
83108bd3 | 2383 | { |
a257bf90 JS |
2384 | struct Scsi_Host *shost = class_to_shost(dev); |
2385 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2386 | struct lpfc_hba *phba = vport->phba; | |
2387 | int val = 0; | |
2388 | int nolip = 0; | |
2389 | const char *val_buf = buf; | |
83108bd3 JS |
2390 | int err; |
2391 | uint32_t prev_val; | |
a257bf90 JS |
2392 | |
2393 | if (!strncmp(buf, "nolip ", strlen("nolip "))) { | |
2394 | nolip = 1; | |
2395 | val_buf = &buf[strlen("nolip ")]; | |
2396 | } | |
2397 | ||
2398 | if (!isdigit(val_buf[0])) | |
2399 | return -EINVAL; | |
2400 | if (sscanf(val_buf, "%i", &val) != 1) | |
2401 | return -EINVAL; | |
2402 | ||
83108bd3 JS |
2403 | if (val >= 0 && val <= 6) { |
2404 | prev_val = phba->cfg_topology; | |
2405 | phba->cfg_topology = val; | |
a257bf90 JS |
2406 | if (nolip) |
2407 | return strlen(buf); | |
2408 | ||
83108bd3 | 2409 | err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport)); |
a257bf90 | 2410 | if (err) { |
83108bd3 | 2411 | phba->cfg_topology = prev_val; |
a257bf90 JS |
2412 | return -EINVAL; |
2413 | } else | |
2414 | return strlen(buf); | |
83108bd3 JS |
2415 | } |
2416 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2417 | "%d:0467 lpfc_topology attribute cannot be set to %d, " | |
2418 | "allowed range is [0, 6]\n", | |
2419 | phba->brd_no, val); | |
2420 | return -EINVAL; | |
2421 | } | |
2422 | static int lpfc_topology = 0; | |
2423 | module_param(lpfc_topology, int, 0); | |
2424 | MODULE_PARM_DESC(lpfc_topology, "Select Fibre Channel topology"); | |
2425 | lpfc_param_show(topology) | |
2426 | lpfc_param_init(topology, 0, 0, 6) | |
ee959b00 | 2427 | static DEVICE_ATTR(lpfc_topology, S_IRUGO | S_IWUSR, |
83108bd3 | 2428 | lpfc_topology_show, lpfc_topology_store); |
dea3101e | 2429 | |
21e9a0a5 JS |
2430 | /** |
2431 | * lpfc_static_vport_show: Read callback function for | |
2432 | * lpfc_static_vport sysfs file. | |
2433 | * @dev: Pointer to class device object. | |
2434 | * @attr: device attribute structure. | |
2435 | * @buf: Data buffer. | |
2436 | * | |
2437 | * This function is the read call back function for | |
2438 | * lpfc_static_vport sysfs file. The lpfc_static_vport | |
2439 | * sysfs file report the mageability of the vport. | |
2440 | **/ | |
2441 | static ssize_t | |
2442 | lpfc_static_vport_show(struct device *dev, struct device_attribute *attr, | |
2443 | char *buf) | |
2444 | { | |
2445 | struct Scsi_Host *shost = class_to_shost(dev); | |
2446 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2447 | if (vport->vport_flag & STATIC_VPORT) | |
2448 | sprintf(buf, "1\n"); | |
2449 | else | |
2450 | sprintf(buf, "0\n"); | |
2451 | ||
2452 | return strlen(buf); | |
2453 | } | |
2454 | ||
2455 | /* | |
2456 | * Sysfs attribute to control the statistical data collection. | |
2457 | */ | |
2458 | static DEVICE_ATTR(lpfc_static_vport, S_IRUGO, | |
2459 | lpfc_static_vport_show, NULL); | |
ea2151b4 JS |
2460 | |
2461 | /** | |
3621a710 | 2462 | * lpfc_stat_data_ctrl_store - write call back for lpfc_stat_data_ctrl sysfs file |
ea2151b4 JS |
2463 | * @dev: Pointer to class device. |
2464 | * @buf: Data buffer. | |
2465 | * @count: Size of the data buffer. | |
2466 | * | |
2467 | * This function get called when an user write to the lpfc_stat_data_ctrl | |
2468 | * sysfs file. This function parse the command written to the sysfs file | |
2469 | * and take appropriate action. These commands are used for controlling | |
2470 | * driver statistical data collection. | |
2471 | * Following are the command this function handles. | |
2472 | * | |
2473 | * setbucket <bucket_type> <base> <step> | |
2474 | * = Set the latency buckets. | |
2475 | * destroybucket = destroy all the buckets. | |
2476 | * start = start data collection | |
2477 | * stop = stop data collection | |
2478 | * reset = reset the collected data | |
2479 | **/ | |
2480 | static ssize_t | |
2481 | lpfc_stat_data_ctrl_store(struct device *dev, struct device_attribute *attr, | |
2482 | const char *buf, size_t count) | |
2483 | { | |
2484 | struct Scsi_Host *shost = class_to_shost(dev); | |
2485 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2486 | struct lpfc_hba *phba = vport->phba; | |
2487 | #define LPFC_MAX_DATA_CTRL_LEN 1024 | |
2488 | static char bucket_data[LPFC_MAX_DATA_CTRL_LEN]; | |
2489 | unsigned long i; | |
2490 | char *str_ptr, *token; | |
2491 | struct lpfc_vport **vports; | |
2492 | struct Scsi_Host *v_shost; | |
2493 | char *bucket_type_str, *base_str, *step_str; | |
2494 | unsigned long base, step, bucket_type; | |
2495 | ||
2496 | if (!strncmp(buf, "setbucket", strlen("setbucket"))) { | |
a257bf90 | 2497 | if (strlen(buf) > (LPFC_MAX_DATA_CTRL_LEN - 1)) |
ea2151b4 JS |
2498 | return -EINVAL; |
2499 | ||
2500 | strcpy(bucket_data, buf); | |
2501 | str_ptr = &bucket_data[0]; | |
2502 | /* Ignore this token - this is command token */ | |
2503 | token = strsep(&str_ptr, "\t "); | |
2504 | if (!token) | |
2505 | return -EINVAL; | |
2506 | ||
2507 | bucket_type_str = strsep(&str_ptr, "\t "); | |
2508 | if (!bucket_type_str) | |
2509 | return -EINVAL; | |
2510 | ||
2511 | if (!strncmp(bucket_type_str, "linear", strlen("linear"))) | |
2512 | bucket_type = LPFC_LINEAR_BUCKET; | |
2513 | else if (!strncmp(bucket_type_str, "power2", strlen("power2"))) | |
2514 | bucket_type = LPFC_POWER2_BUCKET; | |
2515 | else | |
2516 | return -EINVAL; | |
2517 | ||
2518 | base_str = strsep(&str_ptr, "\t "); | |
2519 | if (!base_str) | |
2520 | return -EINVAL; | |
2521 | base = simple_strtoul(base_str, NULL, 0); | |
2522 | ||
2523 | step_str = strsep(&str_ptr, "\t "); | |
2524 | if (!step_str) | |
2525 | return -EINVAL; | |
2526 | step = simple_strtoul(step_str, NULL, 0); | |
2527 | if (!step) | |
2528 | return -EINVAL; | |
2529 | ||
2530 | /* Block the data collection for every vport */ | |
2531 | vports = lpfc_create_vport_work_array(phba); | |
2532 | if (vports == NULL) | |
2533 | return -ENOMEM; | |
2534 | ||
f4b4c68f | 2535 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
ea2151b4 JS |
2536 | v_shost = lpfc_shost_from_vport(vports[i]); |
2537 | spin_lock_irq(v_shost->host_lock); | |
2538 | /* Block and reset data collection */ | |
2539 | vports[i]->stat_data_blocked = 1; | |
2540 | if (vports[i]->stat_data_enabled) | |
2541 | lpfc_vport_reset_stat_data(vports[i]); | |
2542 | spin_unlock_irq(v_shost->host_lock); | |
2543 | } | |
2544 | ||
2545 | /* Set the bucket attributes */ | |
2546 | phba->bucket_type = bucket_type; | |
2547 | phba->bucket_base = base; | |
2548 | phba->bucket_step = step; | |
2549 | ||
f4b4c68f | 2550 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
ea2151b4 JS |
2551 | v_shost = lpfc_shost_from_vport(vports[i]); |
2552 | ||
2553 | /* Unblock data collection */ | |
2554 | spin_lock_irq(v_shost->host_lock); | |
2555 | vports[i]->stat_data_blocked = 0; | |
2556 | spin_unlock_irq(v_shost->host_lock); | |
2557 | } | |
2558 | lpfc_destroy_vport_work_array(phba, vports); | |
2559 | return strlen(buf); | |
2560 | } | |
2561 | ||
2562 | if (!strncmp(buf, "destroybucket", strlen("destroybucket"))) { | |
2563 | vports = lpfc_create_vport_work_array(phba); | |
2564 | if (vports == NULL) | |
2565 | return -ENOMEM; | |
2566 | ||
f4b4c68f | 2567 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
ea2151b4 JS |
2568 | v_shost = lpfc_shost_from_vport(vports[i]); |
2569 | spin_lock_irq(shost->host_lock); | |
2570 | vports[i]->stat_data_blocked = 1; | |
2571 | lpfc_free_bucket(vport); | |
2572 | vport->stat_data_enabled = 0; | |
2573 | vports[i]->stat_data_blocked = 0; | |
2574 | spin_unlock_irq(shost->host_lock); | |
2575 | } | |
2576 | lpfc_destroy_vport_work_array(phba, vports); | |
2577 | phba->bucket_type = LPFC_NO_BUCKET; | |
2578 | phba->bucket_base = 0; | |
2579 | phba->bucket_step = 0; | |
2580 | return strlen(buf); | |
2581 | } | |
2582 | ||
2583 | if (!strncmp(buf, "start", strlen("start"))) { | |
2584 | /* If no buckets configured return error */ | |
2585 | if (phba->bucket_type == LPFC_NO_BUCKET) | |
2586 | return -EINVAL; | |
2587 | spin_lock_irq(shost->host_lock); | |
2588 | if (vport->stat_data_enabled) { | |
2589 | spin_unlock_irq(shost->host_lock); | |
2590 | return strlen(buf); | |
2591 | } | |
2592 | lpfc_alloc_bucket(vport); | |
2593 | vport->stat_data_enabled = 1; | |
2594 | spin_unlock_irq(shost->host_lock); | |
2595 | return strlen(buf); | |
2596 | } | |
2597 | ||
2598 | if (!strncmp(buf, "stop", strlen("stop"))) { | |
2599 | spin_lock_irq(shost->host_lock); | |
2600 | if (vport->stat_data_enabled == 0) { | |
2601 | spin_unlock_irq(shost->host_lock); | |
2602 | return strlen(buf); | |
2603 | } | |
2604 | lpfc_free_bucket(vport); | |
2605 | vport->stat_data_enabled = 0; | |
2606 | spin_unlock_irq(shost->host_lock); | |
2607 | return strlen(buf); | |
2608 | } | |
2609 | ||
2610 | if (!strncmp(buf, "reset", strlen("reset"))) { | |
2611 | if ((phba->bucket_type == LPFC_NO_BUCKET) | |
2612 | || !vport->stat_data_enabled) | |
2613 | return strlen(buf); | |
2614 | spin_lock_irq(shost->host_lock); | |
2615 | vport->stat_data_blocked = 1; | |
2616 | lpfc_vport_reset_stat_data(vport); | |
2617 | vport->stat_data_blocked = 0; | |
2618 | spin_unlock_irq(shost->host_lock); | |
2619 | return strlen(buf); | |
2620 | } | |
2621 | return -EINVAL; | |
2622 | } | |
2623 | ||
2624 | ||
2625 | /** | |
3621a710 | 2626 | * lpfc_stat_data_ctrl_show - Read function for lpfc_stat_data_ctrl sysfs file |
ea2151b4 JS |
2627 | * @dev: Pointer to class device object. |
2628 | * @buf: Data buffer. | |
2629 | * | |
2630 | * This function is the read call back function for | |
2631 | * lpfc_stat_data_ctrl sysfs file. This function report the | |
2632 | * current statistical data collection state. | |
2633 | **/ | |
2634 | static ssize_t | |
2635 | lpfc_stat_data_ctrl_show(struct device *dev, struct device_attribute *attr, | |
2636 | char *buf) | |
2637 | { | |
2638 | struct Scsi_Host *shost = class_to_shost(dev); | |
2639 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2640 | struct lpfc_hba *phba = vport->phba; | |
2641 | int index = 0; | |
2642 | int i; | |
2643 | char *bucket_type; | |
2644 | unsigned long bucket_value; | |
2645 | ||
2646 | switch (phba->bucket_type) { | |
2647 | case LPFC_LINEAR_BUCKET: | |
2648 | bucket_type = "linear"; | |
2649 | break; | |
2650 | case LPFC_POWER2_BUCKET: | |
2651 | bucket_type = "power2"; | |
2652 | break; | |
2653 | default: | |
2654 | bucket_type = "No Bucket"; | |
2655 | break; | |
2656 | } | |
2657 | ||
2658 | sprintf(&buf[index], "Statistical Data enabled :%d, " | |
2659 | "blocked :%d, Bucket type :%s, Bucket base :%d," | |
2660 | " Bucket step :%d\nLatency Ranges :", | |
2661 | vport->stat_data_enabled, vport->stat_data_blocked, | |
2662 | bucket_type, phba->bucket_base, phba->bucket_step); | |
2663 | index = strlen(buf); | |
2664 | if (phba->bucket_type != LPFC_NO_BUCKET) { | |
2665 | for (i = 0; i < LPFC_MAX_BUCKET_COUNT; i++) { | |
2666 | if (phba->bucket_type == LPFC_LINEAR_BUCKET) | |
2667 | bucket_value = phba->bucket_base + | |
2668 | phba->bucket_step * i; | |
2669 | else | |
2670 | bucket_value = phba->bucket_base + | |
2671 | (1 << i) * phba->bucket_step; | |
2672 | ||
2673 | if (index + 10 > PAGE_SIZE) | |
2674 | break; | |
2675 | sprintf(&buf[index], "%08ld ", bucket_value); | |
2676 | index = strlen(buf); | |
2677 | } | |
2678 | } | |
2679 | sprintf(&buf[index], "\n"); | |
2680 | return strlen(buf); | |
2681 | } | |
2682 | ||
2683 | /* | |
2684 | * Sysfs attribute to control the statistical data collection. | |
2685 | */ | |
2686 | static DEVICE_ATTR(lpfc_stat_data_ctrl, S_IRUGO | S_IWUSR, | |
2687 | lpfc_stat_data_ctrl_show, lpfc_stat_data_ctrl_store); | |
2688 | ||
2689 | /* | |
2690 | * lpfc_drvr_stat_data: sysfs attr to get driver statistical data. | |
2691 | */ | |
2692 | ||
2693 | /* | |
2694 | * Each Bucket takes 11 characters and 1 new line + 17 bytes WWN | |
2695 | * for each target. | |
2696 | */ | |
2697 | #define STAT_DATA_SIZE_PER_TARGET(NUM_BUCKETS) ((NUM_BUCKETS) * 11 + 18) | |
2698 | #define MAX_STAT_DATA_SIZE_PER_TARGET \ | |
2699 | STAT_DATA_SIZE_PER_TARGET(LPFC_MAX_BUCKET_COUNT) | |
2700 | ||
2701 | ||
2702 | /** | |
3621a710 | 2703 | * sysfs_drvr_stat_data_read - Read function for lpfc_drvr_stat_data attribute |
2c3c8bea | 2704 | * @filp: sysfs file |
ea2151b4 JS |
2705 | * @kobj: Pointer to the kernel object |
2706 | * @bin_attr: Attribute object | |
2707 | * @buff: Buffer pointer | |
2708 | * @off: File offset | |
2709 | * @count: Buffer size | |
2710 | * | |
2711 | * This function is the read call back function for lpfc_drvr_stat_data | |
2712 | * sysfs file. This function export the statistical data to user | |
2713 | * applications. | |
2714 | **/ | |
2715 | static ssize_t | |
2c3c8bea CW |
2716 | sysfs_drvr_stat_data_read(struct file *filp, struct kobject *kobj, |
2717 | struct bin_attribute *bin_attr, | |
ea2151b4 JS |
2718 | char *buf, loff_t off, size_t count) |
2719 | { | |
2720 | struct device *dev = container_of(kobj, struct device, | |
2721 | kobj); | |
2722 | struct Scsi_Host *shost = class_to_shost(dev); | |
2723 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2724 | struct lpfc_hba *phba = vport->phba; | |
2725 | int i = 0, index = 0; | |
2726 | unsigned long nport_index; | |
2727 | struct lpfc_nodelist *ndlp = NULL; | |
2728 | nport_index = (unsigned long)off / | |
2729 | MAX_STAT_DATA_SIZE_PER_TARGET; | |
2730 | ||
2731 | if (!vport->stat_data_enabled || vport->stat_data_blocked | |
2732 | || (phba->bucket_type == LPFC_NO_BUCKET)) | |
2733 | return 0; | |
2734 | ||
2735 | spin_lock_irq(shost->host_lock); | |
2736 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { | |
2737 | if (!NLP_CHK_NODE_ACT(ndlp) || !ndlp->lat_data) | |
2738 | continue; | |
2739 | ||
2740 | if (nport_index > 0) { | |
2741 | nport_index--; | |
2742 | continue; | |
2743 | } | |
2744 | ||
2745 | if ((index + MAX_STAT_DATA_SIZE_PER_TARGET) | |
2746 | > count) | |
2747 | break; | |
2748 | ||
2749 | if (!ndlp->lat_data) | |
2750 | continue; | |
2751 | ||
2752 | /* Print the WWN */ | |
2753 | sprintf(&buf[index], "%02x%02x%02x%02x%02x%02x%02x%02x:", | |
2754 | ndlp->nlp_portname.u.wwn[0], | |
2755 | ndlp->nlp_portname.u.wwn[1], | |
2756 | ndlp->nlp_portname.u.wwn[2], | |
2757 | ndlp->nlp_portname.u.wwn[3], | |
2758 | ndlp->nlp_portname.u.wwn[4], | |
2759 | ndlp->nlp_portname.u.wwn[5], | |
2760 | ndlp->nlp_portname.u.wwn[6], | |
2761 | ndlp->nlp_portname.u.wwn[7]); | |
2762 | ||
2763 | index = strlen(buf); | |
2764 | ||
2765 | for (i = 0; i < LPFC_MAX_BUCKET_COUNT; i++) { | |
2766 | sprintf(&buf[index], "%010u,", | |
2767 | ndlp->lat_data[i].cmd_count); | |
2768 | index = strlen(buf); | |
2769 | } | |
2770 | sprintf(&buf[index], "\n"); | |
2771 | index = strlen(buf); | |
2772 | } | |
2773 | spin_unlock_irq(shost->host_lock); | |
2774 | return index; | |
2775 | } | |
2776 | ||
2777 | static struct bin_attribute sysfs_drvr_stat_data_attr = { | |
2778 | .attr = { | |
2779 | .name = "lpfc_drvr_stat_data", | |
2780 | .mode = S_IRUSR, | |
ea2151b4 JS |
2781 | }, |
2782 | .size = LPFC_MAX_TARGET * MAX_STAT_DATA_SIZE_PER_TARGET, | |
2783 | .read = sysfs_drvr_stat_data_read, | |
2784 | .write = NULL, | |
2785 | }; | |
2786 | ||
dea3101e JB |
2787 | /* |
2788 | # lpfc_link_speed: Link speed selection for initializing the Fibre Channel | |
2789 | # connection. | |
2790 | # 0 = auto select (default) | |
2791 | # 1 = 1 Gigabaud | |
2792 | # 2 = 2 Gigabaud | |
2793 | # 4 = 4 Gigabaud | |
b87eab38 JS |
2794 | # 8 = 8 Gigabaud |
2795 | # Value range is [0,8]. Default value is 0. | |
dea3101e | 2796 | */ |
e59058c4 JS |
2797 | |
2798 | /** | |
3621a710 | 2799 | * lpfc_link_speed_set - Set the adapters link speed |
e59058c4 JS |
2800 | * @phba: lpfc_hba pointer. |
2801 | * @val: link speed value. | |
2802 | * | |
2803 | * Description: | |
2804 | * If val is in a valid range then set the adapter's link speed field and | |
2805 | * issue a lip; if the lip fails reset the link speed to the old value. | |
2806 | * | |
2807 | * Notes: | |
2808 | * If the value is not in range log a kernel error message and return an error. | |
2809 | * | |
2810 | * Returns: | |
2811 | * zero if val is in range and lip okay. | |
2812 | * non-zero return value from lpfc_issue_lip() | |
2813 | * -EINVAL val out of range | |
2814 | **/ | |
a257bf90 JS |
2815 | static ssize_t |
2816 | lpfc_link_speed_store(struct device *dev, struct device_attribute *attr, | |
2817 | const char *buf, size_t count) | |
83108bd3 | 2818 | { |
a257bf90 JS |
2819 | struct Scsi_Host *shost = class_to_shost(dev); |
2820 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2821 | struct lpfc_hba *phba = vport->phba; | |
2822 | int val = 0; | |
2823 | int nolip = 0; | |
2824 | const char *val_buf = buf; | |
83108bd3 JS |
2825 | int err; |
2826 | uint32_t prev_val; | |
2827 | ||
a257bf90 JS |
2828 | if (!strncmp(buf, "nolip ", strlen("nolip "))) { |
2829 | nolip = 1; | |
2830 | val_buf = &buf[strlen("nolip ")]; | |
2831 | } | |
2832 | ||
2833 | if (!isdigit(val_buf[0])) | |
2834 | return -EINVAL; | |
2835 | if (sscanf(val_buf, "%i", &val) != 1) | |
2836 | return -EINVAL; | |
2837 | ||
83108bd3 JS |
2838 | if (((val == LINK_SPEED_1G) && !(phba->lmt & LMT_1Gb)) || |
2839 | ((val == LINK_SPEED_2G) && !(phba->lmt & LMT_2Gb)) || | |
2840 | ((val == LINK_SPEED_4G) && !(phba->lmt & LMT_4Gb)) || | |
2841 | ((val == LINK_SPEED_8G) && !(phba->lmt & LMT_8Gb)) || | |
2842 | ((val == LINK_SPEED_10G) && !(phba->lmt & LMT_10Gb))) | |
2843 | return -EINVAL; | |
2844 | ||
a257bf90 | 2845 | if ((val >= 0 && val <= 8) |
83108bd3 JS |
2846 | && (LPFC_LINK_SPEED_BITMAP & (1 << val))) { |
2847 | prev_val = phba->cfg_link_speed; | |
2848 | phba->cfg_link_speed = val; | |
a257bf90 JS |
2849 | if (nolip) |
2850 | return strlen(buf); | |
2851 | ||
83108bd3 | 2852 | err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport)); |
a257bf90 | 2853 | if (err) { |
83108bd3 | 2854 | phba->cfg_link_speed = prev_val; |
a257bf90 JS |
2855 | return -EINVAL; |
2856 | } else | |
2857 | return strlen(buf); | |
83108bd3 JS |
2858 | } |
2859 | ||
2860 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2861 | "%d:0469 lpfc_link_speed attribute cannot be set to %d, " | |
2862 | "allowed range is [0, 8]\n", | |
2863 | phba->brd_no, val); | |
2864 | return -EINVAL; | |
2865 | } | |
2866 | ||
2867 | static int lpfc_link_speed = 0; | |
2868 | module_param(lpfc_link_speed, int, 0); | |
2869 | MODULE_PARM_DESC(lpfc_link_speed, "Select link speed"); | |
2870 | lpfc_param_show(link_speed) | |
e59058c4 JS |
2871 | |
2872 | /** | |
3621a710 | 2873 | * lpfc_link_speed_init - Set the adapters link speed |
e59058c4 JS |
2874 | * @phba: lpfc_hba pointer. |
2875 | * @val: link speed value. | |
2876 | * | |
2877 | * Description: | |
2878 | * If val is in a valid range then set the adapter's link speed field. | |
2879 | * | |
2880 | * Notes: | |
2881 | * If the value is not in range log a kernel error message, clear the link | |
2882 | * speed and return an error. | |
2883 | * | |
2884 | * Returns: | |
2885 | * zero if val saved. | |
2886 | * -EINVAL val out of range | |
2887 | **/ | |
83108bd3 JS |
2888 | static int |
2889 | lpfc_link_speed_init(struct lpfc_hba *phba, int val) | |
2890 | { | |
2891 | if ((val >= 0 && val <= LPFC_MAX_LINK_SPEED) | |
2892 | && (LPFC_LINK_SPEED_BITMAP & (1 << val))) { | |
2893 | phba->cfg_link_speed = val; | |
2894 | return 0; | |
2895 | } | |
2896 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
d7c255b2 | 2897 | "0405 lpfc_link_speed attribute cannot " |
83108bd3 JS |
2898 | "be set to %d, allowed values are " |
2899 | "["LPFC_LINK_SPEED_STRING"]\n", val); | |
2900 | phba->cfg_link_speed = 0; | |
2901 | return -EINVAL; | |
2902 | } | |
2903 | ||
ee959b00 | 2904 | static DEVICE_ATTR(lpfc_link_speed, S_IRUGO | S_IWUSR, |
83108bd3 | 2905 | lpfc_link_speed_show, lpfc_link_speed_store); |
dea3101e | 2906 | |
0d878419 JS |
2907 | /* |
2908 | # lpfc_aer_support: Support PCIe device Advanced Error Reporting (AER) | |
2909 | # 0 = aer disabled or not supported | |
2910 | # 1 = aer supported and enabled (default) | |
2911 | # Value range is [0,1]. Default value is 1. | |
2912 | */ | |
2913 | ||
2914 | /** | |
2915 | * lpfc_aer_support_store - Set the adapter for aer support | |
2916 | * | |
2917 | * @dev: class device that is converted into a Scsi_host. | |
2918 | * @attr: device attribute, not used. | |
2919 | * @buf: containing the string "selective". | |
2920 | * @count: unused variable. | |
2921 | * | |
2922 | * Description: | |
2923 | * If the val is 1 and currently the device's AER capability was not | |
2924 | * enabled, invoke the kernel's enable AER helper routine, trying to | |
2925 | * enable the device's AER capability. If the helper routine enabling | |
2926 | * AER returns success, update the device's cfg_aer_support flag to | |
2927 | * indicate AER is supported by the device; otherwise, if the device | |
2928 | * AER capability is already enabled to support AER, then do nothing. | |
2929 | * | |
2930 | * If the val is 0 and currently the device's AER support was enabled, | |
2931 | * invoke the kernel's disable AER helper routine. After that, update | |
2932 | * the device's cfg_aer_support flag to indicate AER is not supported | |
2933 | * by the device; otherwise, if the device AER capability is already | |
2934 | * disabled from supporting AER, then do nothing. | |
2935 | * | |
2936 | * Returns: | |
2937 | * length of the buf on success if val is in range the intended mode | |
2938 | * is supported. | |
2939 | * -EINVAL if val out of range or intended mode is not supported. | |
2940 | **/ | |
2941 | static ssize_t | |
2942 | lpfc_aer_support_store(struct device *dev, struct device_attribute *attr, | |
2943 | const char *buf, size_t count) | |
2944 | { | |
2945 | struct Scsi_Host *shost = class_to_shost(dev); | |
2946 | struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; | |
2947 | struct lpfc_hba *phba = vport->phba; | |
2948 | int val = 0, rc = -EINVAL; | |
2949 | ||
2950 | if (!isdigit(buf[0])) | |
2951 | return -EINVAL; | |
2952 | if (sscanf(buf, "%i", &val) != 1) | |
2953 | return -EINVAL; | |
2954 | ||
2955 | switch (val) { | |
2956 | case 0: | |
2957 | if (phba->hba_flag & HBA_AER_ENABLED) { | |
2958 | rc = pci_disable_pcie_error_reporting(phba->pcidev); | |
2959 | if (!rc) { | |
2960 | spin_lock_irq(&phba->hbalock); | |
2961 | phba->hba_flag &= ~HBA_AER_ENABLED; | |
2962 | spin_unlock_irq(&phba->hbalock); | |
2963 | phba->cfg_aer_support = 0; | |
2964 | rc = strlen(buf); | |
2965 | } else | |
891478a2 JS |
2966 | rc = -EPERM; |
2967 | } else { | |
0d878419 | 2968 | phba->cfg_aer_support = 0; |
891478a2 JS |
2969 | rc = strlen(buf); |
2970 | } | |
0d878419 JS |
2971 | break; |
2972 | case 1: | |
2973 | if (!(phba->hba_flag & HBA_AER_ENABLED)) { | |
2974 | rc = pci_enable_pcie_error_reporting(phba->pcidev); | |
2975 | if (!rc) { | |
2976 | spin_lock_irq(&phba->hbalock); | |
2977 | phba->hba_flag |= HBA_AER_ENABLED; | |
2978 | spin_unlock_irq(&phba->hbalock); | |
2979 | phba->cfg_aer_support = 1; | |
2980 | rc = strlen(buf); | |
2981 | } else | |
891478a2 JS |
2982 | rc = -EPERM; |
2983 | } else { | |
0d878419 | 2984 | phba->cfg_aer_support = 1; |
891478a2 JS |
2985 | rc = strlen(buf); |
2986 | } | |
0d878419 JS |
2987 | break; |
2988 | default: | |
2989 | rc = -EINVAL; | |
2990 | break; | |
2991 | } | |
2992 | return rc; | |
2993 | } | |
2994 | ||
2995 | static int lpfc_aer_support = 1; | |
2996 | module_param(lpfc_aer_support, int, 1); | |
2997 | MODULE_PARM_DESC(lpfc_aer_support, "Enable PCIe device AER support"); | |
2998 | lpfc_param_show(aer_support) | |
2999 | ||
3000 | /** | |
3001 | * lpfc_aer_support_init - Set the initial adapters aer support flag | |
3002 | * @phba: lpfc_hba pointer. | |
3003 | * @val: link speed value. | |
3004 | * | |
3005 | * Description: | |
3006 | * If val is in a valid range [0,1], then set the adapter's initial | |
3007 | * cfg_aer_support field. It will be up to the driver's probe_one | |
3008 | * routine to determine whether the device's AER support can be set | |
3009 | * or not. | |
3010 | * | |
3011 | * Notes: | |
3012 | * If the value is not in range log a kernel error message, and | |
3013 | * choose the default value of setting AER support and return. | |
3014 | * | |
3015 | * Returns: | |
3016 | * zero if val saved. | |
3017 | * -EINVAL val out of range | |
3018 | **/ | |
3019 | static int | |
3020 | lpfc_aer_support_init(struct lpfc_hba *phba, int val) | |
3021 | { | |
3022 | if (val == 0 || val == 1) { | |
3023 | phba->cfg_aer_support = val; | |
3024 | return 0; | |
3025 | } | |
3026 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3027 | "2712 lpfc_aer_support attribute value %d out " | |
3028 | "of range, allowed values are 0|1, setting it " | |
3029 | "to default value of 1\n", val); | |
891478a2 | 3030 | /* By default, try to enable AER on a device */ |
0d878419 JS |
3031 | phba->cfg_aer_support = 1; |
3032 | return -EINVAL; | |
3033 | } | |
3034 | ||
3035 | static DEVICE_ATTR(lpfc_aer_support, S_IRUGO | S_IWUSR, | |
3036 | lpfc_aer_support_show, lpfc_aer_support_store); | |
3037 | ||
3038 | /** | |
3039 | * lpfc_aer_cleanup_state - Clean up aer state to the aer enabled device | |
3040 | * @dev: class device that is converted into a Scsi_host. | |
3041 | * @attr: device attribute, not used. | |
3042 | * @buf: containing the string "selective". | |
3043 | * @count: unused variable. | |
3044 | * | |
3045 | * Description: | |
3046 | * If the @buf contains 1 and the device currently has the AER support | |
3047 | * enabled, then invokes the kernel AER helper routine | |
3048 | * pci_cleanup_aer_uncorrect_error_status to clean up the uncorrectable | |
3049 | * error status register. | |
3050 | * | |
3051 | * Notes: | |
3052 | * | |
3053 | * Returns: | |
3054 | * -EINVAL if the buf does not contain the 1 or the device is not currently | |
3055 | * enabled with the AER support. | |
3056 | **/ | |
3057 | static ssize_t | |
3058 | lpfc_aer_cleanup_state(struct device *dev, struct device_attribute *attr, | |
3059 | const char *buf, size_t count) | |
3060 | { | |
3061 | struct Scsi_Host *shost = class_to_shost(dev); | |
3062 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
3063 | struct lpfc_hba *phba = vport->phba; | |
3064 | int val, rc = -1; | |
3065 | ||
3066 | if (!isdigit(buf[0])) | |
3067 | return -EINVAL; | |
3068 | if (sscanf(buf, "%i", &val) != 1) | |
3069 | return -EINVAL; | |
891478a2 JS |
3070 | if (val != 1) |
3071 | return -EINVAL; | |
0d878419 | 3072 | |
891478a2 | 3073 | if (phba->hba_flag & HBA_AER_ENABLED) |
0d878419 JS |
3074 | rc = pci_cleanup_aer_uncorrect_error_status(phba->pcidev); |
3075 | ||
3076 | if (rc == 0) | |
3077 | return strlen(buf); | |
3078 | else | |
891478a2 | 3079 | return -EPERM; |
0d878419 JS |
3080 | } |
3081 | ||
3082 | static DEVICE_ATTR(lpfc_aer_state_cleanup, S_IWUSR, NULL, | |
3083 | lpfc_aer_cleanup_state); | |
3084 | ||
dea3101e JB |
3085 | /* |
3086 | # lpfc_fcp_class: Determines FC class to use for the FCP protocol. | |
3087 | # Value range is [2,3]. Default value is 3. | |
3088 | */ | |
3de2a653 JS |
3089 | LPFC_VPORT_ATTR_R(fcp_class, 3, 2, 3, |
3090 | "Select Fibre Channel class of service for FCP sequences"); | |
dea3101e JB |
3091 | |
3092 | /* | |
3093 | # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range | |
3094 | # is [0,1]. Default value is 0. | |
3095 | */ | |
3de2a653 JS |
3096 | LPFC_VPORT_ATTR_RW(use_adisc, 0, 0, 1, |
3097 | "Use ADISC on rediscovery to authenticate FCP devices"); | |
dea3101e | 3098 | |
977b5a0a JS |
3099 | /* |
3100 | # lpfc_max_scsicmpl_time: Use scsi command completion time to control I/O queue | |
3101 | # depth. Default value is 0. When the value of this parameter is zero the | |
3102 | # SCSI command completion time is not used for controlling I/O queue depth. When | |
3103 | # the parameter is set to a non-zero value, the I/O queue depth is controlled | |
3104 | # to limit the I/O completion time to the parameter value. | |
3105 | # The value is set in milliseconds. | |
3106 | */ | |
3107 | static int lpfc_max_scsicmpl_time; | |
3108 | module_param(lpfc_max_scsicmpl_time, int, 0); | |
3109 | MODULE_PARM_DESC(lpfc_max_scsicmpl_time, | |
3110 | "Use command completion time to control queue depth"); | |
3111 | lpfc_vport_param_show(max_scsicmpl_time); | |
3112 | lpfc_vport_param_init(max_scsicmpl_time, 0, 0, 60000); | |
3113 | static int | |
3114 | lpfc_max_scsicmpl_time_set(struct lpfc_vport *vport, int val) | |
3115 | { | |
3116 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
3117 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
3118 | ||
3119 | if (val == vport->cfg_max_scsicmpl_time) | |
3120 | return 0; | |
3121 | if ((val < 0) || (val > 60000)) | |
3122 | return -EINVAL; | |
3123 | vport->cfg_max_scsicmpl_time = val; | |
3124 | ||
3125 | spin_lock_irq(shost->host_lock); | |
3126 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { | |
3127 | if (!NLP_CHK_NODE_ACT(ndlp)) | |
3128 | continue; | |
3129 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) | |
3130 | continue; | |
7dc517df | 3131 | ndlp->cmd_qdepth = vport->cfg_tgt_queue_depth; |
977b5a0a JS |
3132 | } |
3133 | spin_unlock_irq(shost->host_lock); | |
3134 | return 0; | |
3135 | } | |
3136 | lpfc_vport_param_store(max_scsicmpl_time); | |
3137 | static DEVICE_ATTR(lpfc_max_scsicmpl_time, S_IRUGO | S_IWUSR, | |
3138 | lpfc_max_scsicmpl_time_show, | |
3139 | lpfc_max_scsicmpl_time_store); | |
3140 | ||
dea3101e JB |
3141 | /* |
3142 | # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value | |
3143 | # range is [0,1]. Default value is 0. | |
3144 | */ | |
3145 | LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support"); | |
3146 | ||
3147 | /* | |
3148 | # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing | |
3149 | # cr_delay (msec) or cr_count outstanding commands. cr_delay can take | |
7054a606 | 3150 | # value [0,63]. cr_count can take value [1,255]. Default value of cr_delay |
dea3101e JB |
3151 | # is 0. Default value of cr_count is 1. The cr_count feature is disabled if |
3152 | # cr_delay is set to 0. | |
3153 | */ | |
8189fd19 | 3154 | LPFC_ATTR_RW(cr_delay, 0, 0, 63, "A count of milliseconds after which an " |
dea3101e JB |
3155 | "interrupt response is generated"); |
3156 | ||
8189fd19 | 3157 | LPFC_ATTR_RW(cr_count, 1, 1, 255, "A count of I/O completions after which an " |
dea3101e JB |
3158 | "interrupt response is generated"); |
3159 | ||
cf5bf97e JW |
3160 | /* |
3161 | # lpfc_multi_ring_support: Determines how many rings to spread available | |
3162 | # cmd/rsp IOCB entries across. | |
3163 | # Value range is [1,2]. Default value is 1. | |
3164 | */ | |
3165 | LPFC_ATTR_R(multi_ring_support, 1, 1, 2, "Determines number of primary " | |
3166 | "SLI rings to spread IOCB entries across"); | |
3167 | ||
a4bc3379 JS |
3168 | /* |
3169 | # lpfc_multi_ring_rctl: If lpfc_multi_ring_support is enabled, this | |
3170 | # identifies what rctl value to configure the additional ring for. | |
3171 | # Value range is [1,0xff]. Default value is 4 (Unsolicated Data). | |
3172 | */ | |
6a9c52cf | 3173 | LPFC_ATTR_R(multi_ring_rctl, FC_RCTL_DD_UNSOL_DATA, 1, |
a4bc3379 JS |
3174 | 255, "Identifies RCTL for additional ring configuration"); |
3175 | ||
3176 | /* | |
3177 | # lpfc_multi_ring_type: If lpfc_multi_ring_support is enabled, this | |
3178 | # identifies what type value to configure the additional ring for. | |
3179 | # Value range is [1,0xff]. Default value is 5 (LLC/SNAP). | |
3180 | */ | |
6a9c52cf | 3181 | LPFC_ATTR_R(multi_ring_type, FC_TYPE_IP, 1, |
a4bc3379 JS |
3182 | 255, "Identifies TYPE for additional ring configuration"); |
3183 | ||
dea3101e JB |
3184 | /* |
3185 | # lpfc_fdmi_on: controls FDMI support. | |
3186 | # 0 = no FDMI support | |
3187 | # 1 = support FDMI without attribute of hostname | |
3188 | # 2 = support FDMI with attribute of hostname | |
3189 | # Value range [0,2]. Default value is 0. | |
3190 | */ | |
3de2a653 | 3191 | LPFC_VPORT_ATTR_RW(fdmi_on, 0, 0, 2, "Enable FDMI support"); |
dea3101e JB |
3192 | |
3193 | /* | |
3194 | # Specifies the maximum number of ELS cmds we can have outstanding (for | |
3195 | # discovery). Value range is [1,64]. Default value = 32. | |
3196 | */ | |
3de2a653 | 3197 | LPFC_VPORT_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands " |
dea3101e JB |
3198 | "during discovery"); |
3199 | ||
3200 | /* | |
65a29c16 JS |
3201 | # lpfc_max_luns: maximum allowed LUN. |
3202 | # Value range is [0,65535]. Default value is 255. | |
3203 | # NOTE: The SCSI layer might probe all allowed LUN on some old targets. | |
dea3101e | 3204 | */ |
3de2a653 | 3205 | LPFC_VPORT_ATTR_R(max_luns, 255, 0, 65535, "Maximum allowed LUN"); |
dea3101e | 3206 | |
875fbdfe JSEC |
3207 | /* |
3208 | # lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring. | |
3209 | # Value range is [1,255], default value is 10. | |
3210 | */ | |
3211 | LPFC_ATTR_RW(poll_tmo, 10, 1, 255, | |
3212 | "Milliseconds driver will wait between polling FCP ring"); | |
3213 | ||
4ff43246 JS |
3214 | /* |
3215 | # lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that | |
3216 | # support this feature | |
8605c46c | 3217 | # 0 = MSI disabled |
4ff43246 | 3218 | # 1 = MSI enabled |
8605c46c GK |
3219 | # 2 = MSI-X enabled (default) |
3220 | # Value range is [0,2]. Default value is 2. | |
4ff43246 | 3221 | */ |
8605c46c | 3222 | LPFC_ATTR_R(use_msi, 2, 0, 2, "Use Message Signaled Interrupts (1) or " |
db2378e0 | 3223 | "MSI-X (2), if possible"); |
4ff43246 | 3224 | |
da0436e9 JS |
3225 | /* |
3226 | # lpfc_fcp_imax: Set the maximum number of fast-path FCP interrupts per second | |
3227 | # | |
3228 | # Value range is [636,651042]. Default value is 10000. | |
3229 | */ | |
3230 | LPFC_ATTR_R(fcp_imax, LPFC_FP_DEF_IMAX, LPFC_MIM_IMAX, LPFC_DMULT_CONST, | |
3231 | "Set the maximum number of fast-path FCP interrupts per second"); | |
3232 | ||
3233 | /* | |
3234 | # lpfc_fcp_wq_count: Set the number of fast-path FCP work queues | |
3235 | # | |
3236 | # Value range is [1,31]. Default value is 4. | |
3237 | */ | |
3238 | LPFC_ATTR_R(fcp_wq_count, LPFC_FP_WQN_DEF, LPFC_FP_WQN_MIN, LPFC_FP_WQN_MAX, | |
3239 | "Set the number of fast-path FCP work queues, if possible"); | |
3240 | ||
3241 | /* | |
3242 | # lpfc_fcp_eq_count: Set the number of fast-path FCP event queues | |
3243 | # | |
3244 | # Value range is [1,7]. Default value is 1. | |
3245 | */ | |
3246 | LPFC_ATTR_R(fcp_eq_count, LPFC_FP_EQN_DEF, LPFC_FP_EQN_MIN, LPFC_FP_EQN_MAX, | |
3247 | "Set the number of fast-path FCP event queues, if possible"); | |
3248 | ||
13815c83 JS |
3249 | /* |
3250 | # lpfc_enable_hba_reset: Allow or prevent HBA resets to the hardware. | |
3251 | # 0 = HBA resets disabled | |
3252 | # 1 = HBA resets enabled (default) | |
3253 | # Value range is [0,1]. Default value is 1. | |
3254 | */ | |
3255 | LPFC_ATTR_R(enable_hba_reset, 1, 0, 1, "Enable HBA resets from the driver."); | |
c3f28afa | 3256 | |
13815c83 JS |
3257 | /* |
3258 | # lpfc_enable_hba_heartbeat: Enable HBA heartbeat timer.. | |
3259 | # 0 = HBA Heartbeat disabled | |
3260 | # 1 = HBA Heartbeat enabled (default) | |
3261 | # Value range is [0,1]. Default value is 1. | |
3262 | */ | |
3263 | LPFC_ATTR_R(enable_hba_heartbeat, 1, 0, 1, "Enable HBA Heartbeat."); | |
92d7f7b0 | 3264 | |
81301a9b JS |
3265 | /* |
3266 | # lpfc_enable_bg: Enable BlockGuard (Emulex's Implementation of T10-DIF) | |
3267 | # 0 = BlockGuard disabled (default) | |
3268 | # 1 = BlockGuard enabled | |
3269 | # Value range is [0,1]. Default value is 0. | |
3270 | */ | |
3271 | LPFC_ATTR_R(enable_bg, 0, 0, 1, "Enable BlockGuard Support"); | |
3272 | ||
81301a9b JS |
3273 | /* |
3274 | # lpfc_prot_mask: i | |
3275 | # - Bit mask of host protection capabilities used to register with the | |
3276 | # SCSI mid-layer | |
3277 | # - Only meaningful if BG is turned on (lpfc_enable_bg=1). | |
3278 | # - Allows you to ultimately specify which profiles to use | |
3279 | # - Default will result in registering capabilities for all profiles. | |
3280 | # | |
3281 | */ | |
3282 | unsigned int lpfc_prot_mask = SHOST_DIX_TYPE0_PROTECTION; | |
3283 | ||
3284 | module_param(lpfc_prot_mask, uint, 0); | |
3285 | MODULE_PARM_DESC(lpfc_prot_mask, "host protection mask"); | |
3286 | ||
3287 | /* | |
3288 | # lpfc_prot_guard: i | |
3289 | # - Bit mask of protection guard types to register with the SCSI mid-layer | |
3290 | # - Guard types are currently either 1) IP checksum 2) T10-DIF CRC | |
3291 | # - Allows you to ultimately specify which profiles to use | |
3292 | # - Default will result in registering capabilities for all guard types | |
3293 | # | |
3294 | */ | |
3295 | unsigned char lpfc_prot_guard = SHOST_DIX_GUARD_IP; | |
3296 | module_param(lpfc_prot_guard, byte, 0); | |
3297 | MODULE_PARM_DESC(lpfc_prot_guard, "host protection guard type"); | |
3298 | ||
3299 | ||
83108bd3 | 3300 | /* |
3621a710 | 3301 | * lpfc_sg_seg_cnt - Initial Maximum DMA Segment Count |
83108bd3 JS |
3302 | * This value can be set to values between 64 and 256. The default value is |
3303 | * 64, but may be increased to allow for larger Max I/O sizes. The scsi layer | |
3304 | * will be allowed to request I/Os of sizes up to (MAX_SEG_COUNT * SEG_SIZE). | |
3305 | */ | |
3306 | LPFC_ATTR_R(sg_seg_cnt, LPFC_DEFAULT_SG_SEG_CNT, LPFC_DEFAULT_SG_SEG_CNT, | |
3307 | LPFC_MAX_SG_SEG_CNT, "Max Scatter Gather Segment Count"); | |
3308 | ||
81301a9b JS |
3309 | LPFC_ATTR_R(prot_sg_seg_cnt, LPFC_DEFAULT_PROT_SG_SEG_CNT, |
3310 | LPFC_DEFAULT_PROT_SG_SEG_CNT, LPFC_MAX_PROT_SG_SEG_CNT, | |
3311 | "Max Protection Scatter Gather Segment Count"); | |
3312 | ||
ee959b00 | 3313 | struct device_attribute *lpfc_hba_attrs[] = { |
81301a9b JS |
3314 | &dev_attr_bg_info, |
3315 | &dev_attr_bg_guard_err, | |
3316 | &dev_attr_bg_apptag_err, | |
3317 | &dev_attr_bg_reftag_err, | |
ee959b00 TJ |
3318 | &dev_attr_info, |
3319 | &dev_attr_serialnum, | |
3320 | &dev_attr_modeldesc, | |
3321 | &dev_attr_modelname, | |
3322 | &dev_attr_programtype, | |
3323 | &dev_attr_portnum, | |
3324 | &dev_attr_fwrev, | |
3325 | &dev_attr_hdw, | |
3326 | &dev_attr_option_rom_version, | |
bbd1ae41 | 3327 | &dev_attr_link_state, |
ee959b00 | 3328 | &dev_attr_num_discovered_ports, |
84774a4d | 3329 | &dev_attr_menlo_mgmt_mode, |
ee959b00 | 3330 | &dev_attr_lpfc_drvr_version, |
45ed1190 | 3331 | &dev_attr_lpfc_enable_fip, |
ee959b00 TJ |
3332 | &dev_attr_lpfc_temp_sensor, |
3333 | &dev_attr_lpfc_log_verbose, | |
3334 | &dev_attr_lpfc_lun_queue_depth, | |
7dc517df | 3335 | &dev_attr_lpfc_tgt_queue_depth, |
ee959b00 TJ |
3336 | &dev_attr_lpfc_hba_queue_depth, |
3337 | &dev_attr_lpfc_peer_port_login, | |
3338 | &dev_attr_lpfc_nodev_tmo, | |
3339 | &dev_attr_lpfc_devloss_tmo, | |
3340 | &dev_attr_lpfc_fcp_class, | |
3341 | &dev_attr_lpfc_use_adisc, | |
3342 | &dev_attr_lpfc_ack0, | |
3343 | &dev_attr_lpfc_topology, | |
3344 | &dev_attr_lpfc_scan_down, | |
3345 | &dev_attr_lpfc_link_speed, | |
3346 | &dev_attr_lpfc_cr_delay, | |
3347 | &dev_attr_lpfc_cr_count, | |
3348 | &dev_attr_lpfc_multi_ring_support, | |
3349 | &dev_attr_lpfc_multi_ring_rctl, | |
3350 | &dev_attr_lpfc_multi_ring_type, | |
3351 | &dev_attr_lpfc_fdmi_on, | |
3352 | &dev_attr_lpfc_max_luns, | |
3353 | &dev_attr_lpfc_enable_npiv, | |
3354 | &dev_attr_nport_evt_cnt, | |
3355 | &dev_attr_board_mode, | |
3356 | &dev_attr_max_vpi, | |
3357 | &dev_attr_used_vpi, | |
3358 | &dev_attr_max_rpi, | |
3359 | &dev_attr_used_rpi, | |
3360 | &dev_attr_max_xri, | |
3361 | &dev_attr_used_xri, | |
3362 | &dev_attr_npiv_info, | |
3363 | &dev_attr_issue_reset, | |
3364 | &dev_attr_lpfc_poll, | |
3365 | &dev_attr_lpfc_poll_tmo, | |
3366 | &dev_attr_lpfc_use_msi, | |
da0436e9 JS |
3367 | &dev_attr_lpfc_fcp_imax, |
3368 | &dev_attr_lpfc_fcp_wq_count, | |
3369 | &dev_attr_lpfc_fcp_eq_count, | |
81301a9b | 3370 | &dev_attr_lpfc_enable_bg, |
ee959b00 TJ |
3371 | &dev_attr_lpfc_soft_wwnn, |
3372 | &dev_attr_lpfc_soft_wwpn, | |
3373 | &dev_attr_lpfc_soft_wwn_enable, | |
3374 | &dev_attr_lpfc_enable_hba_reset, | |
3375 | &dev_attr_lpfc_enable_hba_heartbeat, | |
3376 | &dev_attr_lpfc_sg_seg_cnt, | |
977b5a0a | 3377 | &dev_attr_lpfc_max_scsicmpl_time, |
ea2151b4 | 3378 | &dev_attr_lpfc_stat_data_ctrl, |
81301a9b | 3379 | &dev_attr_lpfc_prot_sg_seg_cnt, |
0d878419 JS |
3380 | &dev_attr_lpfc_aer_support, |
3381 | &dev_attr_lpfc_aer_state_cleanup, | |
84d1b006 | 3382 | &dev_attr_lpfc_suppress_link_up, |
2a9bf3d0 JS |
3383 | &dev_attr_lpfc_iocb_cnt, |
3384 | &dev_attr_iocb_hw, | |
3385 | &dev_attr_txq_hw, | |
3386 | &dev_attr_txcmplq_hw, | |
dea3101e JB |
3387 | NULL, |
3388 | }; | |
3389 | ||
ee959b00 TJ |
3390 | struct device_attribute *lpfc_vport_attrs[] = { |
3391 | &dev_attr_info, | |
bbd1ae41 | 3392 | &dev_attr_link_state, |
ee959b00 TJ |
3393 | &dev_attr_num_discovered_ports, |
3394 | &dev_attr_lpfc_drvr_version, | |
3395 | &dev_attr_lpfc_log_verbose, | |
3396 | &dev_attr_lpfc_lun_queue_depth, | |
7dc517df | 3397 | &dev_attr_lpfc_tgt_queue_depth, |
ee959b00 TJ |
3398 | &dev_attr_lpfc_nodev_tmo, |
3399 | &dev_attr_lpfc_devloss_tmo, | |
3400 | &dev_attr_lpfc_hba_queue_depth, | |
3401 | &dev_attr_lpfc_peer_port_login, | |
3402 | &dev_attr_lpfc_restrict_login, | |
3403 | &dev_attr_lpfc_fcp_class, | |
3404 | &dev_attr_lpfc_use_adisc, | |
3405 | &dev_attr_lpfc_fdmi_on, | |
3406 | &dev_attr_lpfc_max_luns, | |
3407 | &dev_attr_nport_evt_cnt, | |
3408 | &dev_attr_npiv_info, | |
3409 | &dev_attr_lpfc_enable_da_id, | |
ea2151b4 JS |
3410 | &dev_attr_lpfc_max_scsicmpl_time, |
3411 | &dev_attr_lpfc_stat_data_ctrl, | |
21e9a0a5 | 3412 | &dev_attr_lpfc_static_vport, |
3de2a653 JS |
3413 | NULL, |
3414 | }; | |
3415 | ||
e59058c4 | 3416 | /** |
3621a710 | 3417 | * sysfs_ctlreg_write - Write method for writing to ctlreg |
2c3c8bea | 3418 | * @filp: open sysfs file |
e59058c4 JS |
3419 | * @kobj: kernel kobject that contains the kernel class device. |
3420 | * @bin_attr: kernel attributes passed to us. | |
3421 | * @buf: contains the data to be written to the adapter IOREG space. | |
3422 | * @off: offset into buffer to beginning of data. | |
3423 | * @count: bytes to transfer. | |
3424 | * | |
3425 | * Description: | |
3426 | * Accessed via /sys/class/scsi_host/hostxxx/ctlreg. | |
3427 | * Uses the adapter io control registers to send buf contents to the adapter. | |
3428 | * | |
3429 | * Returns: | |
3430 | * -ERANGE off and count combo out of range | |
3431 | * -EINVAL off, count or buff address invalid | |
3432 | * -EPERM adapter is offline | |
3433 | * value of count, buf contents written | |
3434 | **/ | |
dea3101e | 3435 | static ssize_t |
2c3c8bea CW |
3436 | sysfs_ctlreg_write(struct file *filp, struct kobject *kobj, |
3437 | struct bin_attribute *bin_attr, | |
91a69029 | 3438 | char *buf, loff_t off, size_t count) |
dea3101e JB |
3439 | { |
3440 | size_t buf_off; | |
ee959b00 TJ |
3441 | struct device *dev = container_of(kobj, struct device, kobj); |
3442 | struct Scsi_Host *shost = class_to_shost(dev); | |
2e0fef85 JS |
3443 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3444 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 3445 | |
f1126688 JS |
3446 | if (phba->sli_rev >= LPFC_SLI_REV4) |
3447 | return -EPERM; | |
3448 | ||
dea3101e JB |
3449 | if ((off + count) > FF_REG_AREA_SIZE) |
3450 | return -ERANGE; | |
3451 | ||
3452 | if (count == 0) return 0; | |
3453 | ||
3454 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
3455 | return -EINVAL; | |
3456 | ||
2e0fef85 | 3457 | if (!(vport->fc_flag & FC_OFFLINE_MODE)) { |
dea3101e JB |
3458 | return -EPERM; |
3459 | } | |
3460 | ||
2e0fef85 | 3461 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
3462 | for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) |
3463 | writel(*((uint32_t *)(buf + buf_off)), | |
3464 | phba->ctrl_regs_memmap_p + off + buf_off); | |
3465 | ||
2e0fef85 | 3466 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
3467 | |
3468 | return count; | |
3469 | } | |
3470 | ||
e59058c4 | 3471 | /** |
3621a710 | 3472 | * sysfs_ctlreg_read - Read method for reading from ctlreg |
2c3c8bea | 3473 | * @filp: open sysfs file |
e59058c4 JS |
3474 | * @kobj: kernel kobject that contains the kernel class device. |
3475 | * @bin_attr: kernel attributes passed to us. | |
af901ca1 | 3476 | * @buf: if successful contains the data from the adapter IOREG space. |
e59058c4 JS |
3477 | * @off: offset into buffer to beginning of data. |
3478 | * @count: bytes to transfer. | |
3479 | * | |
3480 | * Description: | |
3481 | * Accessed via /sys/class/scsi_host/hostxxx/ctlreg. | |
3482 | * Uses the adapter io control registers to read data into buf. | |
3483 | * | |
3484 | * Returns: | |
3485 | * -ERANGE off and count combo out of range | |
3486 | * -EINVAL off, count or buff address invalid | |
3487 | * value of count, buf contents read | |
3488 | **/ | |
dea3101e | 3489 | static ssize_t |
2c3c8bea CW |
3490 | sysfs_ctlreg_read(struct file *filp, struct kobject *kobj, |
3491 | struct bin_attribute *bin_attr, | |
91a69029 | 3492 | char *buf, loff_t off, size_t count) |
dea3101e JB |
3493 | { |
3494 | size_t buf_off; | |
3495 | uint32_t * tmp_ptr; | |
ee959b00 TJ |
3496 | struct device *dev = container_of(kobj, struct device, kobj); |
3497 | struct Scsi_Host *shost = class_to_shost(dev); | |
2e0fef85 JS |
3498 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3499 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 3500 | |
f1126688 JS |
3501 | if (phba->sli_rev >= LPFC_SLI_REV4) |
3502 | return -EPERM; | |
3503 | ||
dea3101e JB |
3504 | if (off > FF_REG_AREA_SIZE) |
3505 | return -ERANGE; | |
3506 | ||
3507 | if ((off + count) > FF_REG_AREA_SIZE) | |
3508 | count = FF_REG_AREA_SIZE - off; | |
3509 | ||
3510 | if (count == 0) return 0; | |
3511 | ||
3512 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
3513 | return -EINVAL; | |
3514 | ||
2e0fef85 | 3515 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
3516 | |
3517 | for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) { | |
3518 | tmp_ptr = (uint32_t *)(buf + buf_off); | |
3519 | *tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off); | |
3520 | } | |
3521 | ||
2e0fef85 | 3522 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
3523 | |
3524 | return count; | |
3525 | } | |
3526 | ||
3527 | static struct bin_attribute sysfs_ctlreg_attr = { | |
3528 | .attr = { | |
3529 | .name = "ctlreg", | |
3530 | .mode = S_IRUSR | S_IWUSR, | |
dea3101e JB |
3531 | }, |
3532 | .size = 256, | |
3533 | .read = sysfs_ctlreg_read, | |
3534 | .write = sysfs_ctlreg_write, | |
3535 | }; | |
3536 | ||
e59058c4 | 3537 | /** |
3621a710 | 3538 | * sysfs_mbox_idle - frees the sysfs mailbox |
e59058c4 JS |
3539 | * @phba: lpfc_hba pointer |
3540 | **/ | |
dea3101e | 3541 | static void |
2e0fef85 | 3542 | sysfs_mbox_idle(struct lpfc_hba *phba) |
dea3101e JB |
3543 | { |
3544 | phba->sysfs_mbox.state = SMBOX_IDLE; | |
3545 | phba->sysfs_mbox.offset = 0; | |
3546 | ||
3547 | if (phba->sysfs_mbox.mbox) { | |
3548 | mempool_free(phba->sysfs_mbox.mbox, | |
3549 | phba->mbox_mem_pool); | |
3550 | phba->sysfs_mbox.mbox = NULL; | |
3551 | } | |
3552 | } | |
3553 | ||
e59058c4 | 3554 | /** |
3621a710 | 3555 | * sysfs_mbox_write - Write method for writing information via mbox |
2c3c8bea | 3556 | * @filp: open sysfs file |
e59058c4 JS |
3557 | * @kobj: kernel kobject that contains the kernel class device. |
3558 | * @bin_attr: kernel attributes passed to us. | |
3559 | * @buf: contains the data to be written to sysfs mbox. | |
3560 | * @off: offset into buffer to beginning of data. | |
3561 | * @count: bytes to transfer. | |
3562 | * | |
3563 | * Description: | |
3564 | * Accessed via /sys/class/scsi_host/hostxxx/mbox. | |
3565 | * Uses the sysfs mbox to send buf contents to the adapter. | |
3566 | * | |
3567 | * Returns: | |
3568 | * -ERANGE off and count combo out of range | |
3569 | * -EINVAL off, count or buff address invalid | |
3570 | * zero if count is zero | |
3571 | * -EPERM adapter is offline | |
3572 | * -ENOMEM failed to allocate memory for the mail box | |
3573 | * -EAGAIN offset, state or mbox is NULL | |
3574 | * count number of bytes transferred | |
3575 | **/ | |
dea3101e | 3576 | static ssize_t |
2c3c8bea CW |
3577 | sysfs_mbox_write(struct file *filp, struct kobject *kobj, |
3578 | struct bin_attribute *bin_attr, | |
91a69029 | 3579 | char *buf, loff_t off, size_t count) |
dea3101e | 3580 | { |
ee959b00 TJ |
3581 | struct device *dev = container_of(kobj, struct device, kobj); |
3582 | struct Scsi_Host *shost = class_to_shost(dev); | |
2e0fef85 JS |
3583 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3584 | struct lpfc_hba *phba = vport->phba; | |
3585 | struct lpfcMboxq *mbox = NULL; | |
dea3101e JB |
3586 | |
3587 | if ((count + off) > MAILBOX_CMD_SIZE) | |
3588 | return -ERANGE; | |
3589 | ||
3590 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
3591 | return -EINVAL; | |
3592 | ||
3593 | if (count == 0) | |
3594 | return 0; | |
3595 | ||
3596 | if (off == 0) { | |
3597 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
3598 | if (!mbox) | |
3599 | return -ENOMEM; | |
fc6c12bc | 3600 | memset(mbox, 0, sizeof (LPFC_MBOXQ_t)); |
dea3101e JB |
3601 | } |
3602 | ||
2e0fef85 | 3603 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
3604 | |
3605 | if (off == 0) { | |
3606 | if (phba->sysfs_mbox.mbox) | |
3607 | mempool_free(mbox, phba->mbox_mem_pool); | |
3608 | else | |
3609 | phba->sysfs_mbox.mbox = mbox; | |
3610 | phba->sysfs_mbox.state = SMBOX_WRITING; | |
3611 | } else { | |
3612 | if (phba->sysfs_mbox.state != SMBOX_WRITING || | |
3613 | phba->sysfs_mbox.offset != off || | |
92d7f7b0 | 3614 | phba->sysfs_mbox.mbox == NULL) { |
dea3101e | 3615 | sysfs_mbox_idle(phba); |
2e0fef85 | 3616 | spin_unlock_irq(&phba->hbalock); |
8f6d98d2 | 3617 | return -EAGAIN; |
dea3101e JB |
3618 | } |
3619 | } | |
3620 | ||
04c68496 | 3621 | memcpy((uint8_t *) &phba->sysfs_mbox.mbox->u.mb + off, |
dea3101e JB |
3622 | buf, count); |
3623 | ||
3624 | phba->sysfs_mbox.offset = off + count; | |
3625 | ||
2e0fef85 | 3626 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
3627 | |
3628 | return count; | |
3629 | } | |
3630 | ||
e59058c4 | 3631 | /** |
3621a710 | 3632 | * sysfs_mbox_read - Read method for reading information via mbox |
2c3c8bea | 3633 | * @filp: open sysfs file |
e59058c4 JS |
3634 | * @kobj: kernel kobject that contains the kernel class device. |
3635 | * @bin_attr: kernel attributes passed to us. | |
3636 | * @buf: contains the data to be read from sysfs mbox. | |
3637 | * @off: offset into buffer to beginning of data. | |
3638 | * @count: bytes to transfer. | |
3639 | * | |
3640 | * Description: | |
3641 | * Accessed via /sys/class/scsi_host/hostxxx/mbox. | |
3642 | * Uses the sysfs mbox to receive data from to the adapter. | |
3643 | * | |
3644 | * Returns: | |
3645 | * -ERANGE off greater than mailbox command size | |
3646 | * -EINVAL off, count or buff address invalid | |
3647 | * zero if off and count are zero | |
3648 | * -EACCES adapter over temp | |
3649 | * -EPERM garbage can value to catch a multitude of errors | |
3650 | * -EAGAIN management IO not permitted, state or off error | |
3651 | * -ETIME mailbox timeout | |
3652 | * -ENODEV mailbox error | |
3653 | * count number of bytes transferred | |
3654 | **/ | |
dea3101e | 3655 | static ssize_t |
2c3c8bea CW |
3656 | sysfs_mbox_read(struct file *filp, struct kobject *kobj, |
3657 | struct bin_attribute *bin_attr, | |
91a69029 | 3658 | char *buf, loff_t off, size_t count) |
dea3101e | 3659 | { |
ee959b00 TJ |
3660 | struct device *dev = container_of(kobj, struct device, kobj); |
3661 | struct Scsi_Host *shost = class_to_shost(dev); | |
2e0fef85 JS |
3662 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3663 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 3664 | int rc; |
04c68496 | 3665 | MAILBOX_t *pmb; |
dea3101e | 3666 | |
1dcb58e5 | 3667 | if (off > MAILBOX_CMD_SIZE) |
dea3101e JB |
3668 | return -ERANGE; |
3669 | ||
1dcb58e5 JS |
3670 | if ((count + off) > MAILBOX_CMD_SIZE) |
3671 | count = MAILBOX_CMD_SIZE - off; | |
dea3101e JB |
3672 | |
3673 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
3674 | return -EINVAL; | |
3675 | ||
3676 | if (off && count == 0) | |
3677 | return 0; | |
3678 | ||
2e0fef85 | 3679 | spin_lock_irq(&phba->hbalock); |
dea3101e | 3680 | |
7af67051 JS |
3681 | if (phba->over_temp_state == HBA_OVER_TEMP) { |
3682 | sysfs_mbox_idle(phba); | |
3683 | spin_unlock_irq(&phba->hbalock); | |
09372820 | 3684 | return -EACCES; |
7af67051 JS |
3685 | } |
3686 | ||
dea3101e JB |
3687 | if (off == 0 && |
3688 | phba->sysfs_mbox.state == SMBOX_WRITING && | |
3689 | phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) { | |
04c68496 JS |
3690 | pmb = &phba->sysfs_mbox.mbox->u.mb; |
3691 | switch (pmb->mbxCommand) { | |
dea3101e | 3692 | /* Offline only */ |
dea3101e JB |
3693 | case MBX_INIT_LINK: |
3694 | case MBX_DOWN_LINK: | |
3695 | case MBX_CONFIG_LINK: | |
3696 | case MBX_CONFIG_RING: | |
3697 | case MBX_RESET_RING: | |
3698 | case MBX_UNREG_LOGIN: | |
3699 | case MBX_CLEAR_LA: | |
3700 | case MBX_DUMP_CONTEXT: | |
3701 | case MBX_RUN_DIAGS: | |
3702 | case MBX_RESTART: | |
dea3101e | 3703 | case MBX_SET_MASK: |
dea3101e | 3704 | case MBX_SET_DEBUG: |
2e0fef85 | 3705 | if (!(vport->fc_flag & FC_OFFLINE_MODE)) { |
dea3101e JB |
3706 | printk(KERN_WARNING "mbox_read:Command 0x%x " |
3707 | "is illegal in on-line state\n", | |
04c68496 | 3708 | pmb->mbxCommand); |
dea3101e | 3709 | sysfs_mbox_idle(phba); |
2e0fef85 | 3710 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
3711 | return -EPERM; |
3712 | } | |
a8adb832 JS |
3713 | case MBX_WRITE_NV: |
3714 | case MBX_WRITE_VPARMS: | |
dea3101e JB |
3715 | case MBX_LOAD_SM: |
3716 | case MBX_READ_NV: | |
3717 | case MBX_READ_CONFIG: | |
3718 | case MBX_READ_RCONFIG: | |
3719 | case MBX_READ_STATUS: | |
3720 | case MBX_READ_XRI: | |
3721 | case MBX_READ_REV: | |
3722 | case MBX_READ_LNK_STAT: | |
3723 | case MBX_DUMP_MEMORY: | |
3724 | case MBX_DOWN_LOAD: | |
3725 | case MBX_UPDATE_CFG: | |
41415862 | 3726 | case MBX_KILL_BOARD: |
dea3101e JB |
3727 | case MBX_LOAD_AREA: |
3728 | case MBX_LOAD_EXP_ROM: | |
41415862 JW |
3729 | case MBX_BEACON: |
3730 | case MBX_DEL_LD_ENTRY: | |
09372820 JS |
3731 | case MBX_SET_VARIABLE: |
3732 | case MBX_WRITE_WWN: | |
84774a4d JS |
3733 | case MBX_PORT_CAPABILITIES: |
3734 | case MBX_PORT_IOV_CONTROL: | |
dea3101e JB |
3735 | break; |
3736 | case MBX_READ_SPARM64: | |
3737 | case MBX_READ_LA: | |
3738 | case MBX_READ_LA64: | |
3739 | case MBX_REG_LOGIN: | |
3740 | case MBX_REG_LOGIN64: | |
3741 | case MBX_CONFIG_PORT: | |
3742 | case MBX_RUN_BIU_DIAG: | |
3743 | printk(KERN_WARNING "mbox_read: Illegal Command 0x%x\n", | |
04c68496 | 3744 | pmb->mbxCommand); |
dea3101e | 3745 | sysfs_mbox_idle(phba); |
2e0fef85 | 3746 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
3747 | return -EPERM; |
3748 | default: | |
3749 | printk(KERN_WARNING "mbox_read: Unknown Command 0x%x\n", | |
04c68496 | 3750 | pmb->mbxCommand); |
dea3101e | 3751 | sysfs_mbox_idle(phba); |
2e0fef85 | 3752 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
3753 | return -EPERM; |
3754 | } | |
3755 | ||
09372820 | 3756 | /* If HBA encountered an error attention, allow only DUMP |
1b32f6aa | 3757 | * or RESTART mailbox commands until the HBA is restarted. |
09372820 | 3758 | */ |
d7c255b2 | 3759 | if (phba->pport->stopped && |
04c68496 JS |
3760 | pmb->mbxCommand != MBX_DUMP_MEMORY && |
3761 | pmb->mbxCommand != MBX_RESTART && | |
3762 | pmb->mbxCommand != MBX_WRITE_VPARMS && | |
3763 | pmb->mbxCommand != MBX_WRITE_WWN) | |
d7c255b2 JS |
3764 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, |
3765 | "1259 mbox: Issued mailbox cmd " | |
3766 | "0x%x while in stopped state.\n", | |
04c68496 | 3767 | pmb->mbxCommand); |
09372820 | 3768 | |
92d7f7b0 JS |
3769 | phba->sysfs_mbox.mbox->vport = vport; |
3770 | ||
58da1ffb JS |
3771 | /* Don't allow mailbox commands to be sent when blocked |
3772 | * or when in the middle of discovery | |
3773 | */ | |
495a714c | 3774 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) { |
46fa311e | 3775 | sysfs_mbox_idle(phba); |
2e0fef85 | 3776 | spin_unlock_irq(&phba->hbalock); |
46fa311e JS |
3777 | return -EAGAIN; |
3778 | } | |
3779 | ||
2e0fef85 | 3780 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
f4b4c68f | 3781 | (!(phba->sli.sli_flag & LPFC_SLI_ACTIVE))) { |
dea3101e | 3782 | |
2e0fef85 | 3783 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
3784 | rc = lpfc_sli_issue_mbox (phba, |
3785 | phba->sysfs_mbox.mbox, | |
3786 | MBX_POLL); | |
2e0fef85 | 3787 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
3788 | |
3789 | } else { | |
2e0fef85 | 3790 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
3791 | rc = lpfc_sli_issue_mbox_wait (phba, |
3792 | phba->sysfs_mbox.mbox, | |
04c68496 | 3793 | lpfc_mbox_tmo_val(phba, pmb->mbxCommand) * HZ); |
2e0fef85 | 3794 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
3795 | } |
3796 | ||
3797 | if (rc != MBX_SUCCESS) { | |
1dcb58e5 | 3798 | if (rc == MBX_TIMEOUT) { |
1dcb58e5 JS |
3799 | phba->sysfs_mbox.mbox = NULL; |
3800 | } | |
dea3101e | 3801 | sysfs_mbox_idle(phba); |
2e0fef85 | 3802 | spin_unlock_irq(&phba->hbalock); |
8f6d98d2 | 3803 | return (rc == MBX_TIMEOUT) ? -ETIME : -ENODEV; |
dea3101e JB |
3804 | } |
3805 | phba->sysfs_mbox.state = SMBOX_READING; | |
3806 | } | |
3807 | else if (phba->sysfs_mbox.offset != off || | |
3808 | phba->sysfs_mbox.state != SMBOX_READING) { | |
3809 | printk(KERN_WARNING "mbox_read: Bad State\n"); | |
3810 | sysfs_mbox_idle(phba); | |
2e0fef85 | 3811 | spin_unlock_irq(&phba->hbalock); |
8f6d98d2 | 3812 | return -EAGAIN; |
dea3101e JB |
3813 | } |
3814 | ||
04c68496 | 3815 | memcpy(buf, (uint8_t *) &pmb + off, count); |
dea3101e JB |
3816 | |
3817 | phba->sysfs_mbox.offset = off + count; | |
3818 | ||
1dcb58e5 | 3819 | if (phba->sysfs_mbox.offset == MAILBOX_CMD_SIZE) |
dea3101e JB |
3820 | sysfs_mbox_idle(phba); |
3821 | ||
2e0fef85 | 3822 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
3823 | |
3824 | return count; | |
3825 | } | |
3826 | ||
3827 | static struct bin_attribute sysfs_mbox_attr = { | |
3828 | .attr = { | |
3829 | .name = "mbox", | |
3830 | .mode = S_IRUSR | S_IWUSR, | |
dea3101e | 3831 | }, |
1dcb58e5 | 3832 | .size = MAILBOX_CMD_SIZE, |
dea3101e JB |
3833 | .read = sysfs_mbox_read, |
3834 | .write = sysfs_mbox_write, | |
3835 | }; | |
3836 | ||
e59058c4 | 3837 | /** |
3621a710 | 3838 | * lpfc_alloc_sysfs_attr - Creates the ctlreg and mbox entries |
e59058c4 JS |
3839 | * @vport: address of lpfc vport structure. |
3840 | * | |
3841 | * Return codes: | |
3842 | * zero on success | |
3843 | * error return code from sysfs_create_bin_file() | |
3844 | **/ | |
dea3101e | 3845 | int |
2e0fef85 | 3846 | lpfc_alloc_sysfs_attr(struct lpfc_vport *vport) |
dea3101e | 3847 | { |
2e0fef85 | 3848 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e JB |
3849 | int error; |
3850 | ||
ee959b00 | 3851 | error = sysfs_create_bin_file(&shost->shost_dev.kobj, |
eada272d JS |
3852 | &sysfs_drvr_stat_data_attr); |
3853 | ||
3854 | /* Virtual ports do not need ctrl_reg and mbox */ | |
3855 | if (error || vport->port_type == LPFC_NPIV_PORT) | |
dea3101e JB |
3856 | goto out; |
3857 | ||
ee959b00 | 3858 | error = sysfs_create_bin_file(&shost->shost_dev.kobj, |
eada272d | 3859 | &sysfs_ctlreg_attr); |
dea3101e | 3860 | if (error) |
eada272d | 3861 | goto out_remove_stat_attr; |
dea3101e | 3862 | |
ea2151b4 | 3863 | error = sysfs_create_bin_file(&shost->shost_dev.kobj, |
eada272d | 3864 | &sysfs_mbox_attr); |
ea2151b4 | 3865 | if (error) |
eada272d | 3866 | goto out_remove_ctlreg_attr; |
ea2151b4 | 3867 | |
dea3101e JB |
3868 | return 0; |
3869 | out_remove_ctlreg_attr: | |
ee959b00 | 3870 | sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr); |
eada272d JS |
3871 | out_remove_stat_attr: |
3872 | sysfs_remove_bin_file(&shost->shost_dev.kobj, | |
3873 | &sysfs_drvr_stat_data_attr); | |
dea3101e JB |
3874 | out: |
3875 | return error; | |
3876 | } | |
3877 | ||
e59058c4 | 3878 | /** |
3621a710 | 3879 | * lpfc_free_sysfs_attr - Removes the ctlreg and mbox entries |
e59058c4 JS |
3880 | * @vport: address of lpfc vport structure. |
3881 | **/ | |
dea3101e | 3882 | void |
2e0fef85 | 3883 | lpfc_free_sysfs_attr(struct lpfc_vport *vport) |
dea3101e | 3884 | { |
2e0fef85 | 3885 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
ea2151b4 JS |
3886 | sysfs_remove_bin_file(&shost->shost_dev.kobj, |
3887 | &sysfs_drvr_stat_data_attr); | |
eada272d JS |
3888 | /* Virtual ports do not need ctrl_reg and mbox */ |
3889 | if (vport->port_type == LPFC_NPIV_PORT) | |
3890 | return; | |
ee959b00 TJ |
3891 | sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_mbox_attr); |
3892 | sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr); | |
dea3101e JB |
3893 | } |
3894 | ||
3895 | ||
3896 | /* | |
3897 | * Dynamic FC Host Attributes Support | |
3898 | */ | |
3899 | ||
e59058c4 | 3900 | /** |
3621a710 | 3901 | * lpfc_get_host_port_id - Copy the vport DID into the scsi host port id |
e59058c4 JS |
3902 | * @shost: kernel scsi host pointer. |
3903 | **/ | |
dea3101e JB |
3904 | static void |
3905 | lpfc_get_host_port_id(struct Scsi_Host *shost) | |
3906 | { | |
2e0fef85 JS |
3907 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3908 | ||
dea3101e | 3909 | /* note: fc_myDID already in cpu endianness */ |
2e0fef85 | 3910 | fc_host_port_id(shost) = vport->fc_myDID; |
dea3101e JB |
3911 | } |
3912 | ||
e59058c4 | 3913 | /** |
3621a710 | 3914 | * lpfc_get_host_port_type - Set the value of the scsi host port type |
e59058c4 JS |
3915 | * @shost: kernel scsi host pointer. |
3916 | **/ | |
dea3101e JB |
3917 | static void |
3918 | lpfc_get_host_port_type(struct Scsi_Host *shost) | |
3919 | { | |
2e0fef85 JS |
3920 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3921 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
3922 | |
3923 | spin_lock_irq(shost->host_lock); | |
3924 | ||
92d7f7b0 JS |
3925 | if (vport->port_type == LPFC_NPIV_PORT) { |
3926 | fc_host_port_type(shost) = FC_PORTTYPE_NPIV; | |
3927 | } else if (lpfc_is_link_up(phba)) { | |
dea3101e | 3928 | if (phba->fc_topology == TOPOLOGY_LOOP) { |
2e0fef85 | 3929 | if (vport->fc_flag & FC_PUBLIC_LOOP) |
dea3101e JB |
3930 | fc_host_port_type(shost) = FC_PORTTYPE_NLPORT; |
3931 | else | |
3932 | fc_host_port_type(shost) = FC_PORTTYPE_LPORT; | |
3933 | } else { | |
2e0fef85 | 3934 | if (vport->fc_flag & FC_FABRIC) |
dea3101e JB |
3935 | fc_host_port_type(shost) = FC_PORTTYPE_NPORT; |
3936 | else | |
3937 | fc_host_port_type(shost) = FC_PORTTYPE_PTP; | |
3938 | } | |
3939 | } else | |
3940 | fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN; | |
3941 | ||
3942 | spin_unlock_irq(shost->host_lock); | |
3943 | } | |
3944 | ||
e59058c4 | 3945 | /** |
3621a710 | 3946 | * lpfc_get_host_port_state - Set the value of the scsi host port state |
e59058c4 JS |
3947 | * @shost: kernel scsi host pointer. |
3948 | **/ | |
dea3101e JB |
3949 | static void |
3950 | lpfc_get_host_port_state(struct Scsi_Host *shost) | |
3951 | { | |
2e0fef85 JS |
3952 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3953 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
3954 | |
3955 | spin_lock_irq(shost->host_lock); | |
3956 | ||
2e0fef85 | 3957 | if (vport->fc_flag & FC_OFFLINE_MODE) |
dea3101e JB |
3958 | fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE; |
3959 | else { | |
2e0fef85 JS |
3960 | switch (phba->link_state) { |
3961 | case LPFC_LINK_UNKNOWN: | |
dea3101e JB |
3962 | case LPFC_LINK_DOWN: |
3963 | fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN; | |
3964 | break; | |
3965 | case LPFC_LINK_UP: | |
dea3101e JB |
3966 | case LPFC_CLEAR_LA: |
3967 | case LPFC_HBA_READY: | |
3968 | /* Links up, beyond this port_type reports state */ | |
3969 | fc_host_port_state(shost) = FC_PORTSTATE_ONLINE; | |
3970 | break; | |
3971 | case LPFC_HBA_ERROR: | |
3972 | fc_host_port_state(shost) = FC_PORTSTATE_ERROR; | |
3973 | break; | |
3974 | default: | |
3975 | fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN; | |
3976 | break; | |
3977 | } | |
3978 | } | |
3979 | ||
3980 | spin_unlock_irq(shost->host_lock); | |
3981 | } | |
3982 | ||
e59058c4 | 3983 | /** |
3621a710 | 3984 | * lpfc_get_host_speed - Set the value of the scsi host speed |
e59058c4 JS |
3985 | * @shost: kernel scsi host pointer. |
3986 | **/ | |
dea3101e JB |
3987 | static void |
3988 | lpfc_get_host_speed(struct Scsi_Host *shost) | |
3989 | { | |
2e0fef85 JS |
3990 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3991 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
3992 | |
3993 | spin_lock_irq(shost->host_lock); | |
3994 | ||
2e0fef85 | 3995 | if (lpfc_is_link_up(phba)) { |
dea3101e JB |
3996 | switch(phba->fc_linkspeed) { |
3997 | case LA_1GHZ_LINK: | |
3998 | fc_host_speed(shost) = FC_PORTSPEED_1GBIT; | |
3999 | break; | |
4000 | case LA_2GHZ_LINK: | |
4001 | fc_host_speed(shost) = FC_PORTSPEED_2GBIT; | |
4002 | break; | |
4003 | case LA_4GHZ_LINK: | |
4004 | fc_host_speed(shost) = FC_PORTSPEED_4GBIT; | |
4005 | break; | |
b87eab38 JS |
4006 | case LA_8GHZ_LINK: |
4007 | fc_host_speed(shost) = FC_PORTSPEED_8GBIT; | |
4008 | break; | |
f4b4c68f JS |
4009 | case LA_10GHZ_LINK: |
4010 | fc_host_speed(shost) = FC_PORTSPEED_10GBIT; | |
4011 | break; | |
dea3101e JB |
4012 | default: |
4013 | fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN; | |
4014 | break; | |
4015 | } | |
09372820 JS |
4016 | } else |
4017 | fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN; | |
dea3101e JB |
4018 | |
4019 | spin_unlock_irq(shost->host_lock); | |
4020 | } | |
4021 | ||
e59058c4 | 4022 | /** |
3621a710 | 4023 | * lpfc_get_host_fabric_name - Set the value of the scsi host fabric name |
e59058c4 JS |
4024 | * @shost: kernel scsi host pointer. |
4025 | **/ | |
dea3101e JB |
4026 | static void |
4027 | lpfc_get_host_fabric_name (struct Scsi_Host *shost) | |
4028 | { | |
2e0fef85 JS |
4029 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
4030 | struct lpfc_hba *phba = vport->phba; | |
f631b4be | 4031 | u64 node_name; |
dea3101e JB |
4032 | |
4033 | spin_lock_irq(shost->host_lock); | |
4034 | ||
2e0fef85 | 4035 | if ((vport->fc_flag & FC_FABRIC) || |
dea3101e | 4036 | ((phba->fc_topology == TOPOLOGY_LOOP) && |
2e0fef85 | 4037 | (vport->fc_flag & FC_PUBLIC_LOOP))) |
68ce1eb5 | 4038 | node_name = wwn_to_u64(phba->fc_fabparam.nodeName.u.wwn); |
dea3101e JB |
4039 | else |
4040 | /* fabric is local port if there is no F/FL_Port */ | |
09372820 | 4041 | node_name = 0; |
dea3101e JB |
4042 | |
4043 | spin_unlock_irq(shost->host_lock); | |
4044 | ||
f631b4be | 4045 | fc_host_fabric_name(shost) = node_name; |
dea3101e JB |
4046 | } |
4047 | ||
e59058c4 | 4048 | /** |
3621a710 | 4049 | * lpfc_get_stats - Return statistical information about the adapter |
e59058c4 JS |
4050 | * @shost: kernel scsi host pointer. |
4051 | * | |
4052 | * Notes: | |
4053 | * NULL on error for link down, no mbox pool, sli2 active, | |
4054 | * management not allowed, memory allocation error, or mbox error. | |
4055 | * | |
4056 | * Returns: | |
4057 | * NULL for error | |
4058 | * address of the adapter host statistics | |
4059 | **/ | |
dea3101e JB |
4060 | static struct fc_host_statistics * |
4061 | lpfc_get_stats(struct Scsi_Host *shost) | |
4062 | { | |
2e0fef85 JS |
4063 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
4064 | struct lpfc_hba *phba = vport->phba; | |
4065 | struct lpfc_sli *psli = &phba->sli; | |
f888ba3c | 4066 | struct fc_host_statistics *hs = &phba->link_stats; |
64ba8818 | 4067 | struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets; |
dea3101e JB |
4068 | LPFC_MBOXQ_t *pmboxq; |
4069 | MAILBOX_t *pmb; | |
64ba8818 | 4070 | unsigned long seconds; |
433c3579 | 4071 | int rc = 0; |
dea3101e | 4072 | |
92d7f7b0 JS |
4073 | /* |
4074 | * prevent udev from issuing mailbox commands until the port is | |
4075 | * configured. | |
4076 | */ | |
2e0fef85 JS |
4077 | if (phba->link_state < LPFC_LINK_DOWN || |
4078 | !phba->mbox_mem_pool || | |
f4b4c68f | 4079 | (phba->sli.sli_flag & LPFC_SLI_ACTIVE) == 0) |
92d7f7b0 | 4080 | return NULL; |
2e0fef85 JS |
4081 | |
4082 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) | |
46fa311e JS |
4083 | return NULL; |
4084 | ||
dea3101e JB |
4085 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
4086 | if (!pmboxq) | |
4087 | return NULL; | |
4088 | memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); | |
4089 | ||
04c68496 | 4090 | pmb = &pmboxq->u.mb; |
dea3101e JB |
4091 | pmb->mbxCommand = MBX_READ_STATUS; |
4092 | pmb->mbxOwner = OWN_HOST; | |
4093 | pmboxq->context1 = NULL; | |
92d7f7b0 | 4094 | pmboxq->vport = vport; |
dea3101e | 4095 | |
75baf696 | 4096 | if (vport->fc_flag & FC_OFFLINE_MODE) |
dea3101e | 4097 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
433c3579 | 4098 | else |
dea3101e JB |
4099 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); |
4100 | ||
4101 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 4102 | if (rc != MBX_TIMEOUT) |
433c3579 | 4103 | mempool_free(pmboxq, phba->mbox_mem_pool); |
dea3101e JB |
4104 | return NULL; |
4105 | } | |
4106 | ||
f888ba3c JSEC |
4107 | memset(hs, 0, sizeof (struct fc_host_statistics)); |
4108 | ||
dea3101e JB |
4109 | hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt; |
4110 | hs->tx_words = (pmb->un.varRdStatus.xmitByteCnt * 256); | |
4111 | hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt; | |
4112 | hs->rx_words = (pmb->un.varRdStatus.rcvByteCnt * 256); | |
4113 | ||
433c3579 | 4114 | memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); |
dea3101e JB |
4115 | pmb->mbxCommand = MBX_READ_LNK_STAT; |
4116 | pmb->mbxOwner = OWN_HOST; | |
4117 | pmboxq->context1 = NULL; | |
92d7f7b0 | 4118 | pmboxq->vport = vport; |
dea3101e | 4119 | |
75baf696 | 4120 | if (vport->fc_flag & FC_OFFLINE_MODE) |
dea3101e | 4121 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
433c3579 | 4122 | else |
dea3101e JB |
4123 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); |
4124 | ||
4125 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 4126 | if (rc != MBX_TIMEOUT) |
92d7f7b0 | 4127 | mempool_free(pmboxq, phba->mbox_mem_pool); |
dea3101e JB |
4128 | return NULL; |
4129 | } | |
4130 | ||
4131 | hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt; | |
4132 | hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt; | |
4133 | hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt; | |
4134 | hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt; | |
4135 | hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord; | |
4136 | hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt; | |
4137 | hs->error_frames = pmb->un.varRdLnk.crcCnt; | |
4138 | ||
64ba8818 JS |
4139 | hs->link_failure_count -= lso->link_failure_count; |
4140 | hs->loss_of_sync_count -= lso->loss_of_sync_count; | |
4141 | hs->loss_of_signal_count -= lso->loss_of_signal_count; | |
4142 | hs->prim_seq_protocol_err_count -= lso->prim_seq_protocol_err_count; | |
4143 | hs->invalid_tx_word_count -= lso->invalid_tx_word_count; | |
4144 | hs->invalid_crc_count -= lso->invalid_crc_count; | |
4145 | hs->error_frames -= lso->error_frames; | |
4146 | ||
4d9ab994 JS |
4147 | if (phba->hba_flag & HBA_FCOE_SUPPORT) { |
4148 | hs->lip_count = -1; | |
4149 | hs->nos_count = (phba->link_events >> 1); | |
4150 | hs->nos_count -= lso->link_events; | |
4151 | } else if (phba->fc_topology == TOPOLOGY_LOOP) { | |
dea3101e | 4152 | hs->lip_count = (phba->fc_eventTag >> 1); |
64ba8818 | 4153 | hs->lip_count -= lso->link_events; |
dea3101e JB |
4154 | hs->nos_count = -1; |
4155 | } else { | |
4156 | hs->lip_count = -1; | |
4157 | hs->nos_count = (phba->fc_eventTag >> 1); | |
64ba8818 | 4158 | hs->nos_count -= lso->link_events; |
dea3101e JB |
4159 | } |
4160 | ||
4161 | hs->dumped_frames = -1; | |
4162 | ||
64ba8818 JS |
4163 | seconds = get_seconds(); |
4164 | if (seconds < psli->stats_start) | |
4165 | hs->seconds_since_last_reset = seconds + | |
4166 | ((unsigned long)-1 - psli->stats_start); | |
4167 | else | |
4168 | hs->seconds_since_last_reset = seconds - psli->stats_start; | |
dea3101e | 4169 | |
1dcb58e5 JS |
4170 | mempool_free(pmboxq, phba->mbox_mem_pool); |
4171 | ||
dea3101e JB |
4172 | return hs; |
4173 | } | |
4174 | ||
e59058c4 | 4175 | /** |
3621a710 | 4176 | * lpfc_reset_stats - Copy the adapter link stats information |
e59058c4 JS |
4177 | * @shost: kernel scsi host pointer. |
4178 | **/ | |
64ba8818 JS |
4179 | static void |
4180 | lpfc_reset_stats(struct Scsi_Host *shost) | |
4181 | { | |
2e0fef85 JS |
4182 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
4183 | struct lpfc_hba *phba = vport->phba; | |
4184 | struct lpfc_sli *psli = &phba->sli; | |
4185 | struct lpfc_lnk_stat *lso = &psli->lnk_stat_offsets; | |
64ba8818 JS |
4186 | LPFC_MBOXQ_t *pmboxq; |
4187 | MAILBOX_t *pmb; | |
4188 | int rc = 0; | |
4189 | ||
2e0fef85 | 4190 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) |
46fa311e JS |
4191 | return; |
4192 | ||
64ba8818 JS |
4193 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
4194 | if (!pmboxq) | |
4195 | return; | |
4196 | memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t)); | |
4197 | ||
04c68496 | 4198 | pmb = &pmboxq->u.mb; |
64ba8818 JS |
4199 | pmb->mbxCommand = MBX_READ_STATUS; |
4200 | pmb->mbxOwner = OWN_HOST; | |
4201 | pmb->un.varWords[0] = 0x1; /* reset request */ | |
4202 | pmboxq->context1 = NULL; | |
92d7f7b0 | 4203 | pmboxq->vport = vport; |
64ba8818 | 4204 | |
2e0fef85 | 4205 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
f4b4c68f | 4206 | (!(psli->sli_flag & LPFC_SLI_ACTIVE))) |
64ba8818 JS |
4207 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
4208 | else | |
4209 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); | |
4210 | ||
4211 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 4212 | if (rc != MBX_TIMEOUT) |
64ba8818 JS |
4213 | mempool_free(pmboxq, phba->mbox_mem_pool); |
4214 | return; | |
4215 | } | |
4216 | ||
4217 | memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t)); | |
4218 | pmb->mbxCommand = MBX_READ_LNK_STAT; | |
4219 | pmb->mbxOwner = OWN_HOST; | |
4220 | pmboxq->context1 = NULL; | |
92d7f7b0 | 4221 | pmboxq->vport = vport; |
64ba8818 | 4222 | |
2e0fef85 | 4223 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
f4b4c68f | 4224 | (!(psli->sli_flag & LPFC_SLI_ACTIVE))) |
64ba8818 JS |
4225 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
4226 | else | |
4227 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); | |
4228 | ||
4229 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 4230 | if (rc != MBX_TIMEOUT) |
64ba8818 JS |
4231 | mempool_free( pmboxq, phba->mbox_mem_pool); |
4232 | return; | |
4233 | } | |
4234 | ||
4235 | lso->link_failure_count = pmb->un.varRdLnk.linkFailureCnt; | |
4236 | lso->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt; | |
4237 | lso->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt; | |
4238 | lso->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt; | |
4239 | lso->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord; | |
4240 | lso->invalid_crc_count = pmb->un.varRdLnk.crcCnt; | |
4241 | lso->error_frames = pmb->un.varRdLnk.crcCnt; | |
4d9ab994 JS |
4242 | if (phba->hba_flag & HBA_FCOE_SUPPORT) |
4243 | lso->link_events = (phba->link_events >> 1); | |
4244 | else | |
4245 | lso->link_events = (phba->fc_eventTag >> 1); | |
64ba8818 JS |
4246 | |
4247 | psli->stats_start = get_seconds(); | |
4248 | ||
1dcb58e5 JS |
4249 | mempool_free(pmboxq, phba->mbox_mem_pool); |
4250 | ||
64ba8818 JS |
4251 | return; |
4252 | } | |
dea3101e JB |
4253 | |
4254 | /* | |
4255 | * The LPFC driver treats linkdown handling as target loss events so there | |
4256 | * are no sysfs handlers for link_down_tmo. | |
4257 | */ | |
685f0bf7 | 4258 | |
e59058c4 | 4259 | /** |
3621a710 | 4260 | * lpfc_get_node_by_target - Return the nodelist for a target |
e59058c4 JS |
4261 | * @starget: kernel scsi target pointer. |
4262 | * | |
4263 | * Returns: | |
4264 | * address of the node list if found | |
4265 | * NULL target not found | |
4266 | **/ | |
685f0bf7 JS |
4267 | static struct lpfc_nodelist * |
4268 | lpfc_get_node_by_target(struct scsi_target *starget) | |
dea3101e | 4269 | { |
2e0fef85 JS |
4270 | struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); |
4271 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
685f0bf7 | 4272 | struct lpfc_nodelist *ndlp; |
dea3101e JB |
4273 | |
4274 | spin_lock_irq(shost->host_lock); | |
685f0bf7 | 4275 | /* Search for this, mapped, target ID */ |
2e0fef85 | 4276 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
e47c9093 JS |
4277 | if (NLP_CHK_NODE_ACT(ndlp) && |
4278 | ndlp->nlp_state == NLP_STE_MAPPED_NODE && | |
685f0bf7 JS |
4279 | starget->id == ndlp->nlp_sid) { |
4280 | spin_unlock_irq(shost->host_lock); | |
4281 | return ndlp; | |
dea3101e JB |
4282 | } |
4283 | } | |
4284 | spin_unlock_irq(shost->host_lock); | |
685f0bf7 JS |
4285 | return NULL; |
4286 | } | |
dea3101e | 4287 | |
e59058c4 | 4288 | /** |
3621a710 | 4289 | * lpfc_get_starget_port_id - Set the target port id to the ndlp DID or -1 |
e59058c4 JS |
4290 | * @starget: kernel scsi target pointer. |
4291 | **/ | |
685f0bf7 JS |
4292 | static void |
4293 | lpfc_get_starget_port_id(struct scsi_target *starget) | |
4294 | { | |
4295 | struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); | |
4296 | ||
4297 | fc_starget_port_id(starget) = ndlp ? ndlp->nlp_DID : -1; | |
dea3101e JB |
4298 | } |
4299 | ||
e59058c4 | 4300 | /** |
3621a710 | 4301 | * lpfc_get_starget_node_name - Set the target node name |
e59058c4 JS |
4302 | * @starget: kernel scsi target pointer. |
4303 | * | |
4304 | * Description: Set the target node name to the ndlp node name wwn or zero. | |
4305 | **/ | |
dea3101e JB |
4306 | static void |
4307 | lpfc_get_starget_node_name(struct scsi_target *starget) | |
4308 | { | |
685f0bf7 | 4309 | struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); |
dea3101e | 4310 | |
685f0bf7 JS |
4311 | fc_starget_node_name(starget) = |
4312 | ndlp ? wwn_to_u64(ndlp->nlp_nodename.u.wwn) : 0; | |
dea3101e JB |
4313 | } |
4314 | ||
e59058c4 | 4315 | /** |
3621a710 | 4316 | * lpfc_get_starget_port_name - Set the target port name |
e59058c4 JS |
4317 | * @starget: kernel scsi target pointer. |
4318 | * | |
4319 | * Description: set the target port name to the ndlp port name wwn or zero. | |
4320 | **/ | |
dea3101e JB |
4321 | static void |
4322 | lpfc_get_starget_port_name(struct scsi_target *starget) | |
4323 | { | |
685f0bf7 | 4324 | struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); |
dea3101e | 4325 | |
685f0bf7 JS |
4326 | fc_starget_port_name(starget) = |
4327 | ndlp ? wwn_to_u64(ndlp->nlp_portname.u.wwn) : 0; | |
dea3101e JB |
4328 | } |
4329 | ||
e59058c4 | 4330 | /** |
3621a710 | 4331 | * lpfc_set_rport_loss_tmo - Set the rport dev loss tmo |
e59058c4 JS |
4332 | * @rport: fc rport address. |
4333 | * @timeout: new value for dev loss tmo. | |
4334 | * | |
4335 | * Description: | |
4336 | * If timeout is non zero set the dev_loss_tmo to timeout, else set | |
4337 | * dev_loss_tmo to one. | |
4338 | **/ | |
dea3101e JB |
4339 | static void |
4340 | lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout) | |
4341 | { | |
dea3101e | 4342 | if (timeout) |
c01f3208 | 4343 | rport->dev_loss_tmo = timeout; |
dea3101e | 4344 | else |
c01f3208 | 4345 | rport->dev_loss_tmo = 1; |
dea3101e JB |
4346 | } |
4347 | ||
e59058c4 | 4348 | /** |
3621a710 | 4349 | * lpfc_rport_show_function - Return rport target information |
e59058c4 JS |
4350 | * |
4351 | * Description: | |
4352 | * Macro that uses field to generate a function with the name lpfc_show_rport_ | |
4353 | * | |
4354 | * lpfc_show_rport_##field: returns the bytes formatted in buf | |
4355 | * @cdev: class converted to an fc_rport. | |
4356 | * @buf: on return contains the target_field or zero. | |
4357 | * | |
4358 | * Returns: size of formatted string. | |
4359 | **/ | |
dea3101e JB |
4360 | #define lpfc_rport_show_function(field, format_string, sz, cast) \ |
4361 | static ssize_t \ | |
ee959b00 TJ |
4362 | lpfc_show_rport_##field (struct device *dev, \ |
4363 | struct device_attribute *attr, \ | |
4364 | char *buf) \ | |
dea3101e | 4365 | { \ |
ee959b00 | 4366 | struct fc_rport *rport = transport_class_to_rport(dev); \ |
dea3101e JB |
4367 | struct lpfc_rport_data *rdata = rport->hostdata; \ |
4368 | return snprintf(buf, sz, format_string, \ | |
4369 | (rdata->target) ? cast rdata->target->field : 0); \ | |
4370 | } | |
4371 | ||
4372 | #define lpfc_rport_rd_attr(field, format_string, sz) \ | |
4373 | lpfc_rport_show_function(field, format_string, sz, ) \ | |
4374 | static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL) | |
4375 | ||
eada272d | 4376 | /** |
3621a710 | 4377 | * lpfc_set_vport_symbolic_name - Set the vport's symbolic name |
eada272d JS |
4378 | * @fc_vport: The fc_vport who's symbolic name has been changed. |
4379 | * | |
4380 | * Description: | |
4381 | * This function is called by the transport after the @fc_vport's symbolic name | |
4382 | * has been changed. This function re-registers the symbolic name with the | |
4383 | * switch to propogate the change into the fabric if the vport is active. | |
4384 | **/ | |
4385 | static void | |
4386 | lpfc_set_vport_symbolic_name(struct fc_vport *fc_vport) | |
4387 | { | |
4388 | struct lpfc_vport *vport = *(struct lpfc_vport **)fc_vport->dd_data; | |
4389 | ||
4390 | if (vport->port_state == LPFC_VPORT_READY) | |
4391 | lpfc_ns_cmd(vport, SLI_CTNS_RSPN_ID, 0, 0); | |
4392 | } | |
dea3101e | 4393 | |
f4b4c68f JS |
4394 | /** |
4395 | * lpfc_hba_log_verbose_init - Set hba's log verbose level | |
4396 | * @phba: Pointer to lpfc_hba struct. | |
4397 | * | |
4398 | * This function is called by the lpfc_get_cfgparam() routine to set the | |
4399 | * module lpfc_log_verbose into the @phba cfg_log_verbose for use with | |
4400 | * log messsage according to the module's lpfc_log_verbose parameter setting | |
4401 | * before hba port or vport created. | |
4402 | **/ | |
4403 | static void | |
4404 | lpfc_hba_log_verbose_init(struct lpfc_hba *phba, uint32_t verbose) | |
4405 | { | |
4406 | phba->cfg_log_verbose = verbose; | |
4407 | } | |
4408 | ||
dea3101e JB |
4409 | struct fc_function_template lpfc_transport_functions = { |
4410 | /* fixed attributes the driver supports */ | |
4411 | .show_host_node_name = 1, | |
4412 | .show_host_port_name = 1, | |
4413 | .show_host_supported_classes = 1, | |
4414 | .show_host_supported_fc4s = 1, | |
dea3101e JB |
4415 | .show_host_supported_speeds = 1, |
4416 | .show_host_maxframe_size = 1, | |
eada272d | 4417 | .show_host_symbolic_name = 1, |
dea3101e JB |
4418 | |
4419 | /* dynamic attributes the driver supports */ | |
4420 | .get_host_port_id = lpfc_get_host_port_id, | |
4421 | .show_host_port_id = 1, | |
4422 | ||
4423 | .get_host_port_type = lpfc_get_host_port_type, | |
4424 | .show_host_port_type = 1, | |
4425 | ||
4426 | .get_host_port_state = lpfc_get_host_port_state, | |
4427 | .show_host_port_state = 1, | |
4428 | ||
4429 | /* active_fc4s is shown but doesn't change (thus no get function) */ | |
4430 | .show_host_active_fc4s = 1, | |
4431 | ||
4432 | .get_host_speed = lpfc_get_host_speed, | |
4433 | .show_host_speed = 1, | |
4434 | ||
4435 | .get_host_fabric_name = lpfc_get_host_fabric_name, | |
4436 | .show_host_fabric_name = 1, | |
4437 | ||
4438 | /* | |
4439 | * The LPFC driver treats linkdown handling as target loss events | |
4440 | * so there are no sysfs handlers for link_down_tmo. | |
4441 | */ | |
4442 | ||
4443 | .get_fc_host_stats = lpfc_get_stats, | |
64ba8818 | 4444 | .reset_fc_host_stats = lpfc_reset_stats, |
dea3101e JB |
4445 | |
4446 | .dd_fcrport_size = sizeof(struct lpfc_rport_data), | |
4447 | .show_rport_maxframe_size = 1, | |
4448 | .show_rport_supported_classes = 1, | |
4449 | ||
dea3101e JB |
4450 | .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo, |
4451 | .show_rport_dev_loss_tmo = 1, | |
4452 | ||
4453 | .get_starget_port_id = lpfc_get_starget_port_id, | |
4454 | .show_starget_port_id = 1, | |
4455 | ||
4456 | .get_starget_node_name = lpfc_get_starget_node_name, | |
4457 | .show_starget_node_name = 1, | |
4458 | ||
4459 | .get_starget_port_name = lpfc_get_starget_port_name, | |
4460 | .show_starget_port_name = 1, | |
91ca7b01 AV |
4461 | |
4462 | .issue_fc_host_lip = lpfc_issue_lip, | |
c01f3208 JS |
4463 | .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk, |
4464 | .terminate_rport_io = lpfc_terminate_rport_io, | |
92d7f7b0 | 4465 | |
92d7f7b0 | 4466 | .dd_fcvport_size = sizeof(struct lpfc_vport *), |
eada272d JS |
4467 | |
4468 | .vport_disable = lpfc_vport_disable, | |
4469 | ||
4470 | .set_vport_symbolic_name = lpfc_set_vport_symbolic_name, | |
f1c3b0fc JS |
4471 | |
4472 | .bsg_request = lpfc_bsg_request, | |
4473 | .bsg_timeout = lpfc_bsg_timeout, | |
92d7f7b0 JS |
4474 | }; |
4475 | ||
98c9ea5c JS |
4476 | struct fc_function_template lpfc_vport_transport_functions = { |
4477 | /* fixed attributes the driver supports */ | |
4478 | .show_host_node_name = 1, | |
4479 | .show_host_port_name = 1, | |
4480 | .show_host_supported_classes = 1, | |
4481 | .show_host_supported_fc4s = 1, | |
4482 | .show_host_supported_speeds = 1, | |
4483 | .show_host_maxframe_size = 1, | |
eada272d | 4484 | .show_host_symbolic_name = 1, |
98c9ea5c JS |
4485 | |
4486 | /* dynamic attributes the driver supports */ | |
4487 | .get_host_port_id = lpfc_get_host_port_id, | |
4488 | .show_host_port_id = 1, | |
4489 | ||
4490 | .get_host_port_type = lpfc_get_host_port_type, | |
4491 | .show_host_port_type = 1, | |
4492 | ||
4493 | .get_host_port_state = lpfc_get_host_port_state, | |
4494 | .show_host_port_state = 1, | |
4495 | ||
4496 | /* active_fc4s is shown but doesn't change (thus no get function) */ | |
4497 | .show_host_active_fc4s = 1, | |
4498 | ||
4499 | .get_host_speed = lpfc_get_host_speed, | |
4500 | .show_host_speed = 1, | |
4501 | ||
4502 | .get_host_fabric_name = lpfc_get_host_fabric_name, | |
4503 | .show_host_fabric_name = 1, | |
4504 | ||
4505 | /* | |
4506 | * The LPFC driver treats linkdown handling as target loss events | |
4507 | * so there are no sysfs handlers for link_down_tmo. | |
4508 | */ | |
4509 | ||
4510 | .get_fc_host_stats = lpfc_get_stats, | |
4511 | .reset_fc_host_stats = lpfc_reset_stats, | |
4512 | ||
4513 | .dd_fcrport_size = sizeof(struct lpfc_rport_data), | |
4514 | .show_rport_maxframe_size = 1, | |
4515 | .show_rport_supported_classes = 1, | |
4516 | ||
4517 | .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo, | |
4518 | .show_rport_dev_loss_tmo = 1, | |
4519 | ||
4520 | .get_starget_port_id = lpfc_get_starget_port_id, | |
4521 | .show_starget_port_id = 1, | |
4522 | ||
4523 | .get_starget_node_name = lpfc_get_starget_node_name, | |
4524 | .show_starget_node_name = 1, | |
4525 | ||
4526 | .get_starget_port_name = lpfc_get_starget_port_name, | |
4527 | .show_starget_port_name = 1, | |
4528 | ||
4529 | .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk, | |
4530 | .terminate_rport_io = lpfc_terminate_rport_io, | |
4531 | ||
4532 | .vport_disable = lpfc_vport_disable, | |
eada272d JS |
4533 | |
4534 | .set_vport_symbolic_name = lpfc_set_vport_symbolic_name, | |
98c9ea5c JS |
4535 | }; |
4536 | ||
e59058c4 | 4537 | /** |
3621a710 | 4538 | * lpfc_get_cfgparam - Used during probe_one to init the adapter structure |
e59058c4 JS |
4539 | * @phba: lpfc_hba pointer. |
4540 | **/ | |
dea3101e JB |
4541 | void |
4542 | lpfc_get_cfgparam(struct lpfc_hba *phba) | |
4543 | { | |
7bcbb752 JSEC |
4544 | lpfc_cr_delay_init(phba, lpfc_cr_delay); |
4545 | lpfc_cr_count_init(phba, lpfc_cr_count); | |
cf5bf97e | 4546 | lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support); |
a4bc3379 JS |
4547 | lpfc_multi_ring_rctl_init(phba, lpfc_multi_ring_rctl); |
4548 | lpfc_multi_ring_type_init(phba, lpfc_multi_ring_type); | |
7bcbb752 JSEC |
4549 | lpfc_ack0_init(phba, lpfc_ack0); |
4550 | lpfc_topology_init(phba, lpfc_topology); | |
7bcbb752 | 4551 | lpfc_link_speed_init(phba, lpfc_link_speed); |
875fbdfe | 4552 | lpfc_poll_tmo_init(phba, lpfc_poll_tmo); |
78b2d852 | 4553 | lpfc_enable_npiv_init(phba, lpfc_enable_npiv); |
4ff43246 | 4554 | lpfc_use_msi_init(phba, lpfc_use_msi); |
da0436e9 JS |
4555 | lpfc_fcp_imax_init(phba, lpfc_fcp_imax); |
4556 | lpfc_fcp_wq_count_init(phba, lpfc_fcp_wq_count); | |
4557 | lpfc_fcp_eq_count_init(phba, lpfc_fcp_eq_count); | |
13815c83 JS |
4558 | lpfc_enable_hba_reset_init(phba, lpfc_enable_hba_reset); |
4559 | lpfc_enable_hba_heartbeat_init(phba, lpfc_enable_hba_heartbeat); | |
81301a9b | 4560 | lpfc_enable_bg_init(phba, lpfc_enable_bg); |
45ed1190 JS |
4561 | if (phba->sli_rev == LPFC_SLI_REV4) |
4562 | phba->cfg_poll = 0; | |
4563 | else | |
875fbdfe | 4564 | phba->cfg_poll = lpfc_poll; |
a12e07bc | 4565 | phba->cfg_soft_wwnn = 0L; |
c3f28afa | 4566 | phba->cfg_soft_wwpn = 0L; |
83108bd3 | 4567 | lpfc_sg_seg_cnt_init(phba, lpfc_sg_seg_cnt); |
81301a9b | 4568 | lpfc_prot_sg_seg_cnt_init(phba, lpfc_prot_sg_seg_cnt); |
7054a606 | 4569 | lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth); |
6fb120a7 | 4570 | lpfc_hba_log_verbose_init(phba, lpfc_log_verbose); |
0d878419 | 4571 | lpfc_aer_support_init(phba, lpfc_aer_support); |
84d1b006 | 4572 | lpfc_suppress_link_up_init(phba, lpfc_suppress_link_up); |
2a9bf3d0 | 4573 | lpfc_iocb_cnt_init(phba, lpfc_iocb_cnt); |
3de2a653 JS |
4574 | return; |
4575 | } | |
b28485ac | 4576 | |
e59058c4 | 4577 | /** |
3621a710 | 4578 | * lpfc_get_vport_cfgparam - Used during port create, init the vport structure |
e59058c4 JS |
4579 | * @vport: lpfc_vport pointer. |
4580 | **/ | |
3de2a653 JS |
4581 | void |
4582 | lpfc_get_vport_cfgparam(struct lpfc_vport *vport) | |
4583 | { | |
e8b62011 | 4584 | lpfc_log_verbose_init(vport, lpfc_log_verbose); |
3de2a653 | 4585 | lpfc_lun_queue_depth_init(vport, lpfc_lun_queue_depth); |
7dc517df | 4586 | lpfc_tgt_queue_depth_init(vport, lpfc_tgt_queue_depth); |
3de2a653 JS |
4587 | lpfc_devloss_tmo_init(vport, lpfc_devloss_tmo); |
4588 | lpfc_nodev_tmo_init(vport, lpfc_nodev_tmo); | |
4589 | lpfc_peer_port_login_init(vport, lpfc_peer_port_login); | |
4590 | lpfc_restrict_login_init(vport, lpfc_restrict_login); | |
4591 | lpfc_fcp_class_init(vport, lpfc_fcp_class); | |
4592 | lpfc_use_adisc_init(vport, lpfc_use_adisc); | |
977b5a0a | 4593 | lpfc_max_scsicmpl_time_init(vport, lpfc_max_scsicmpl_time); |
3de2a653 JS |
4594 | lpfc_fdmi_on_init(vport, lpfc_fdmi_on); |
4595 | lpfc_discovery_threads_init(vport, lpfc_discovery_threads); | |
4596 | lpfc_max_luns_init(vport, lpfc_max_luns); | |
4597 | lpfc_scan_down_init(vport, lpfc_scan_down); | |
7ee5d43e | 4598 | lpfc_enable_da_id_init(vport, lpfc_enable_da_id); |
dea3101e JB |
4599 | return; |
4600 | } |