Commit | Line | Data |
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dea3101e | 1 | /******************************************************************* |
2 | * This file is part of the Emulex Linux Device Driver for * | |
c44ce173 | 3 | * Fibre Channel Host Bus Adapters. * |
d8e93df1 | 4 | * Copyright (C) 2004-2009 Emulex. All rights reserved. * |
c44ce173 | 5 | * EMULEX and SLI are trademarks of Emulex. * |
dea3101e | 6 | * www.emulex.com * |
c44ce173 | 7 | * Portions Copyright (C) 2004-2005 Christoph Hellwig * |
dea3101e | 8 | * * |
9 | * This program is free software; you can redistribute it and/or * | |
c44ce173 JSEC |
10 | * modify it under the terms of version 2 of the GNU General * |
11 | * Public License as published by the Free Software Foundation. * | |
12 | * This program is distributed in the hope that it will be useful. * | |
13 | * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * | |
14 | * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * | |
15 | * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * | |
16 | * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * | |
17 | * TO BE LEGALLY INVALID. See the GNU General Public License for * | |
18 | * more details, a copy of which can be found in the file COPYING * | |
19 | * included with this package. * | |
dea3101e | 20 | *******************************************************************/ |
21 | ||
dea3101e | 22 | #include <linux/ctype.h> |
46fa311e | 23 | #include <linux/delay.h> |
dea3101e | 24 | #include <linux/pci.h> |
25 | #include <linux/interrupt.h> | |
0d878419 | 26 | #include <linux/aer.h> |
5a0e3ad6 | 27 | #include <linux/gfp.h> |
ecc30990 | 28 | #include <linux/kernel.h> |
dea3101e | 29 | |
91886523 | 30 | #include <scsi/scsi.h> |
dea3101e | 31 | #include <scsi/scsi_device.h> |
32 | #include <scsi/scsi_host.h> | |
33 | #include <scsi/scsi_tcq.h> | |
34 | #include <scsi/scsi_transport_fc.h> | |
6a9c52cf | 35 | #include <scsi/fc/fc_fs.h> |
dea3101e | 36 | |
da0436e9 | 37 | #include "lpfc_hw4.h" |
dea3101e | 38 | #include "lpfc_hw.h" |
39 | #include "lpfc_sli.h" | |
da0436e9 | 40 | #include "lpfc_sli4.h" |
ea2151b4 | 41 | #include "lpfc_nl.h" |
dea3101e | 42 | #include "lpfc_disc.h" |
43 | #include "lpfc_scsi.h" | |
44 | #include "lpfc.h" | |
45 | #include "lpfc_logmsg.h" | |
46 | #include "lpfc_version.h" | |
47 | #include "lpfc_compat.h" | |
48 | #include "lpfc_crtn.h" | |
92d7f7b0 | 49 | #include "lpfc_vport.h" |
dea3101e | 50 | |
c01f3208 JS |
51 | #define LPFC_DEF_DEVLOSS_TMO 30 |
52 | #define LPFC_MIN_DEVLOSS_TMO 1 | |
53 | #define LPFC_MAX_DEVLOSS_TMO 255 | |
dea3101e | 54 | |
e59058c4 | 55 | /** |
3621a710 | 56 | * lpfc_jedec_to_ascii - Hex to ascii convertor according to JEDEC rules |
e59058c4 JS |
57 | * @incr: integer to convert. |
58 | * @hdw: ascii string holding converted integer plus a string terminator. | |
59 | * | |
60 | * Description: | |
61 | * JEDEC Joint Electron Device Engineering Council. | |
62 | * Convert a 32 bit integer composed of 8 nibbles into an 8 byte ascii | |
63 | * character string. The string is then terminated with a NULL in byte 9. | |
64 | * Hex 0-9 becomes ascii '0' to '9'. | |
65 | * Hex a-f becomes ascii '=' to 'B' capital B. | |
66 | * | |
67 | * Notes: | |
68 | * Coded for 32 bit integers only. | |
69 | **/ | |
dea3101e | 70 | static void |
71 | lpfc_jedec_to_ascii(int incr, char hdw[]) | |
72 | { | |
73 | int i, j; | |
74 | for (i = 0; i < 8; i++) { | |
75 | j = (incr & 0xf); | |
76 | if (j <= 9) | |
77 | hdw[7 - i] = 0x30 + j; | |
78 | else | |
79 | hdw[7 - i] = 0x61 + j - 10; | |
80 | incr = (incr >> 4); | |
81 | } | |
82 | hdw[8] = 0; | |
83 | return; | |
84 | } | |
85 | ||
e59058c4 | 86 | /** |
3621a710 | 87 | * lpfc_drvr_version_show - Return the Emulex driver string with version number |
e59058c4 JS |
88 | * @dev: class unused variable. |
89 | * @attr: device attribute, not used. | |
90 | * @buf: on return contains the module description text. | |
91 | * | |
92 | * Returns: size of formatted string. | |
93 | **/ | |
dea3101e | 94 | static ssize_t |
ee959b00 TJ |
95 | lpfc_drvr_version_show(struct device *dev, struct device_attribute *attr, |
96 | char *buf) | |
dea3101e | 97 | { |
98 | return snprintf(buf, PAGE_SIZE, LPFC_MODULE_DESC "\n"); | |
99 | } | |
100 | ||
45ed1190 JS |
101 | /** |
102 | * lpfc_enable_fip_show - Return the fip mode of the HBA | |
103 | * @dev: class unused variable. | |
104 | * @attr: device attribute, not used. | |
105 | * @buf: on return contains the module description text. | |
106 | * | |
107 | * Returns: size of formatted string. | |
108 | **/ | |
109 | static ssize_t | |
110 | lpfc_enable_fip_show(struct device *dev, struct device_attribute *attr, | |
111 | char *buf) | |
112 | { | |
113 | struct Scsi_Host *shost = class_to_shost(dev); | |
114 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
115 | struct lpfc_hba *phba = vport->phba; | |
116 | ||
117 | if (phba->hba_flag & HBA_FIP_SUPPORT) | |
118 | return snprintf(buf, PAGE_SIZE, "1\n"); | |
119 | else | |
120 | return snprintf(buf, PAGE_SIZE, "0\n"); | |
121 | } | |
122 | ||
81301a9b JS |
123 | static ssize_t |
124 | lpfc_bg_info_show(struct device *dev, struct device_attribute *attr, | |
125 | char *buf) | |
126 | { | |
127 | struct Scsi_Host *shost = class_to_shost(dev); | |
128 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
129 | struct lpfc_hba *phba = vport->phba; | |
130 | ||
131 | if (phba->cfg_enable_bg) | |
132 | if (phba->sli3_options & LPFC_SLI3_BG_ENABLED) | |
133 | return snprintf(buf, PAGE_SIZE, "BlockGuard Enabled\n"); | |
134 | else | |
135 | return snprintf(buf, PAGE_SIZE, | |
136 | "BlockGuard Not Supported\n"); | |
137 | else | |
138 | return snprintf(buf, PAGE_SIZE, | |
139 | "BlockGuard Disabled\n"); | |
140 | } | |
141 | ||
142 | static ssize_t | |
143 | lpfc_bg_guard_err_show(struct device *dev, struct device_attribute *attr, | |
144 | char *buf) | |
145 | { | |
146 | struct Scsi_Host *shost = class_to_shost(dev); | |
147 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
148 | struct lpfc_hba *phba = vport->phba; | |
149 | ||
87b5c328 JS |
150 | return snprintf(buf, PAGE_SIZE, "%llu\n", |
151 | (unsigned long long)phba->bg_guard_err_cnt); | |
81301a9b JS |
152 | } |
153 | ||
154 | static ssize_t | |
155 | lpfc_bg_apptag_err_show(struct device *dev, struct device_attribute *attr, | |
156 | char *buf) | |
157 | { | |
158 | struct Scsi_Host *shost = class_to_shost(dev); | |
159 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
160 | struct lpfc_hba *phba = vport->phba; | |
161 | ||
87b5c328 JS |
162 | return snprintf(buf, PAGE_SIZE, "%llu\n", |
163 | (unsigned long long)phba->bg_apptag_err_cnt); | |
81301a9b JS |
164 | } |
165 | ||
166 | static ssize_t | |
167 | lpfc_bg_reftag_err_show(struct device *dev, struct device_attribute *attr, | |
168 | char *buf) | |
169 | { | |
170 | struct Scsi_Host *shost = class_to_shost(dev); | |
171 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
172 | struct lpfc_hba *phba = vport->phba; | |
173 | ||
87b5c328 JS |
174 | return snprintf(buf, PAGE_SIZE, "%llu\n", |
175 | (unsigned long long)phba->bg_reftag_err_cnt); | |
81301a9b JS |
176 | } |
177 | ||
e59058c4 | 178 | /** |
3621a710 | 179 | * lpfc_info_show - Return some pci info about the host in ascii |
e59058c4 JS |
180 | * @dev: class converted to a Scsi_host structure. |
181 | * @attr: device attribute, not used. | |
182 | * @buf: on return contains the formatted text from lpfc_info(). | |
183 | * | |
184 | * Returns: size of formatted string. | |
185 | **/ | |
dea3101e | 186 | static ssize_t |
ee959b00 TJ |
187 | lpfc_info_show(struct device *dev, struct device_attribute *attr, |
188 | char *buf) | |
dea3101e | 189 | { |
ee959b00 | 190 | struct Scsi_Host *host = class_to_shost(dev); |
2e0fef85 | 191 | |
dea3101e | 192 | return snprintf(buf, PAGE_SIZE, "%s\n",lpfc_info(host)); |
193 | } | |
194 | ||
e59058c4 | 195 | /** |
3621a710 | 196 | * lpfc_serialnum_show - Return the hba serial number in ascii |
e59058c4 JS |
197 | * @dev: class converted to a Scsi_host structure. |
198 | * @attr: device attribute, not used. | |
199 | * @buf: on return contains the formatted text serial number. | |
200 | * | |
201 | * Returns: size of formatted string. | |
202 | **/ | |
dea3101e | 203 | static ssize_t |
ee959b00 TJ |
204 | lpfc_serialnum_show(struct device *dev, struct device_attribute *attr, |
205 | char *buf) | |
dea3101e | 206 | { |
ee959b00 | 207 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
208 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
209 | struct lpfc_hba *phba = vport->phba; | |
210 | ||
dea3101e | 211 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->SerialNumber); |
212 | } | |
213 | ||
e59058c4 | 214 | /** |
3621a710 | 215 | * lpfc_temp_sensor_show - Return the temperature sensor level |
e59058c4 JS |
216 | * @dev: class converted to a Scsi_host structure. |
217 | * @attr: device attribute, not used. | |
218 | * @buf: on return contains the formatted support level. | |
219 | * | |
220 | * Description: | |
221 | * Returns a number indicating the temperature sensor level currently | |
222 | * supported, zero or one in ascii. | |
223 | * | |
224 | * Returns: size of formatted string. | |
225 | **/ | |
57127f15 | 226 | static ssize_t |
ee959b00 TJ |
227 | lpfc_temp_sensor_show(struct device *dev, struct device_attribute *attr, |
228 | char *buf) | |
57127f15 | 229 | { |
ee959b00 | 230 | struct Scsi_Host *shost = class_to_shost(dev); |
57127f15 JS |
231 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
232 | struct lpfc_hba *phba = vport->phba; | |
233 | return snprintf(buf, PAGE_SIZE, "%d\n",phba->temp_sensor_support); | |
234 | } | |
235 | ||
e59058c4 | 236 | /** |
3621a710 | 237 | * lpfc_modeldesc_show - Return the model description of the hba |
e59058c4 JS |
238 | * @dev: class converted to a Scsi_host structure. |
239 | * @attr: device attribute, not used. | |
240 | * @buf: on return contains the scsi vpd model description. | |
241 | * | |
242 | * Returns: size of formatted string. | |
243 | **/ | |
dea3101e | 244 | static ssize_t |
ee959b00 TJ |
245 | lpfc_modeldesc_show(struct device *dev, struct device_attribute *attr, |
246 | char *buf) | |
dea3101e | 247 | { |
ee959b00 | 248 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
249 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
250 | struct lpfc_hba *phba = vport->phba; | |
251 | ||
dea3101e | 252 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelDesc); |
253 | } | |
254 | ||
e59058c4 | 255 | /** |
3621a710 | 256 | * lpfc_modelname_show - Return the model name of the hba |
e59058c4 JS |
257 | * @dev: class converted to a Scsi_host structure. |
258 | * @attr: device attribute, not used. | |
259 | * @buf: on return contains the scsi vpd model name. | |
260 | * | |
261 | * Returns: size of formatted string. | |
262 | **/ | |
dea3101e | 263 | static ssize_t |
ee959b00 TJ |
264 | lpfc_modelname_show(struct device *dev, struct device_attribute *attr, |
265 | char *buf) | |
dea3101e | 266 | { |
ee959b00 | 267 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
268 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
269 | struct lpfc_hba *phba = vport->phba; | |
270 | ||
dea3101e | 271 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelName); |
272 | } | |
273 | ||
e59058c4 | 274 | /** |
3621a710 | 275 | * lpfc_programtype_show - Return the program type of the hba |
e59058c4 JS |
276 | * @dev: class converted to a Scsi_host structure. |
277 | * @attr: device attribute, not used. | |
278 | * @buf: on return contains the scsi vpd program type. | |
279 | * | |
280 | * Returns: size of formatted string. | |
281 | **/ | |
dea3101e | 282 | static ssize_t |
ee959b00 TJ |
283 | lpfc_programtype_show(struct device *dev, struct device_attribute *attr, |
284 | char *buf) | |
dea3101e | 285 | { |
ee959b00 | 286 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
287 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
288 | struct lpfc_hba *phba = vport->phba; | |
289 | ||
dea3101e | 290 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->ProgramType); |
291 | } | |
292 | ||
84774a4d | 293 | /** |
3621a710 | 294 | * lpfc_mlomgmt_show - Return the Menlo Maintenance sli flag |
84774a4d JS |
295 | * @dev: class converted to a Scsi_host structure. |
296 | * @attr: device attribute, not used. | |
297 | * @buf: on return contains the Menlo Maintenance sli flag. | |
298 | * | |
299 | * Returns: size of formatted string. | |
300 | **/ | |
301 | static ssize_t | |
302 | lpfc_mlomgmt_show(struct device *dev, struct device_attribute *attr, char *buf) | |
303 | { | |
304 | struct Scsi_Host *shost = class_to_shost(dev); | |
305 | struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; | |
306 | struct lpfc_hba *phba = vport->phba; | |
307 | ||
308 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
309 | (phba->sli.sli_flag & LPFC_MENLO_MAINT)); | |
310 | } | |
311 | ||
e59058c4 | 312 | /** |
3621a710 | 313 | * lpfc_vportnum_show - Return the port number in ascii of the hba |
e59058c4 JS |
314 | * @dev: class converted to a Scsi_host structure. |
315 | * @attr: device attribute, not used. | |
316 | * @buf: on return contains scsi vpd program type. | |
317 | * | |
318 | * Returns: size of formatted string. | |
319 | **/ | |
dea3101e | 320 | static ssize_t |
ee959b00 TJ |
321 | lpfc_vportnum_show(struct device *dev, struct device_attribute *attr, |
322 | char *buf) | |
dea3101e | 323 | { |
ee959b00 | 324 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
325 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
326 | struct lpfc_hba *phba = vport->phba; | |
327 | ||
dea3101e | 328 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->Port); |
329 | } | |
330 | ||
e59058c4 | 331 | /** |
3621a710 | 332 | * lpfc_fwrev_show - Return the firmware rev running in the hba |
e59058c4 JS |
333 | * @dev: class converted to a Scsi_host structure. |
334 | * @attr: device attribute, not used. | |
335 | * @buf: on return contains the scsi vpd program type. | |
336 | * | |
337 | * Returns: size of formatted string. | |
338 | **/ | |
dea3101e | 339 | static ssize_t |
ee959b00 TJ |
340 | lpfc_fwrev_show(struct device *dev, struct device_attribute *attr, |
341 | char *buf) | |
dea3101e | 342 | { |
ee959b00 | 343 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
344 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
345 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 346 | char fwrev[32]; |
2e0fef85 | 347 | |
dea3101e | 348 | lpfc_decode_firmware_rev(phba, fwrev, 1); |
92d7f7b0 | 349 | return snprintf(buf, PAGE_SIZE, "%s, sli-%d\n", fwrev, phba->sli_rev); |
dea3101e | 350 | } |
351 | ||
e59058c4 | 352 | /** |
3621a710 | 353 | * lpfc_hdw_show - Return the jedec information about the hba |
e59058c4 JS |
354 | * @dev: class converted to a Scsi_host structure. |
355 | * @attr: device attribute, not used. | |
356 | * @buf: on return contains the scsi vpd program type. | |
357 | * | |
358 | * Returns: size of formatted string. | |
359 | **/ | |
dea3101e | 360 | static ssize_t |
ee959b00 | 361 | lpfc_hdw_show(struct device *dev, struct device_attribute *attr, char *buf) |
dea3101e | 362 | { |
363 | char hdw[9]; | |
ee959b00 | 364 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
365 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
366 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 367 | lpfc_vpd_t *vp = &phba->vpd; |
2e0fef85 | 368 | |
dea3101e | 369 | lpfc_jedec_to_ascii(vp->rev.biuRev, hdw); |
370 | return snprintf(buf, PAGE_SIZE, "%s\n", hdw); | |
371 | } | |
e59058c4 JS |
372 | |
373 | /** | |
3621a710 | 374 | * lpfc_option_rom_version_show - Return the adapter ROM FCode version |
e59058c4 JS |
375 | * @dev: class converted to a Scsi_host structure. |
376 | * @attr: device attribute, not used. | |
377 | * @buf: on return contains the ROM and FCode ascii strings. | |
378 | * | |
379 | * Returns: size of formatted string. | |
380 | **/ | |
dea3101e | 381 | static ssize_t |
ee959b00 TJ |
382 | lpfc_option_rom_version_show(struct device *dev, struct device_attribute *attr, |
383 | char *buf) | |
dea3101e | 384 | { |
ee959b00 | 385 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
386 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
387 | struct lpfc_hba *phba = vport->phba; | |
388 | ||
dea3101e | 389 | return snprintf(buf, PAGE_SIZE, "%s\n", phba->OptionROMVersion); |
390 | } | |
e59058c4 JS |
391 | |
392 | /** | |
3621a710 | 393 | * lpfc_state_show - Return the link state of the port |
e59058c4 JS |
394 | * @dev: class converted to a Scsi_host structure. |
395 | * @attr: device attribute, not used. | |
396 | * @buf: on return contains text describing the state of the link. | |
397 | * | |
398 | * Notes: | |
399 | * The switch statement has no default so zero will be returned. | |
400 | * | |
401 | * Returns: size of formatted string. | |
402 | **/ | |
dea3101e | 403 | static ssize_t |
bbd1ae41 HR |
404 | lpfc_link_state_show(struct device *dev, struct device_attribute *attr, |
405 | char *buf) | |
dea3101e | 406 | { |
ee959b00 | 407 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
408 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
409 | struct lpfc_hba *phba = vport->phba; | |
410 | int len = 0; | |
411 | ||
412 | switch (phba->link_state) { | |
413 | case LPFC_LINK_UNKNOWN: | |
41415862 | 414 | case LPFC_WARM_START: |
dea3101e | 415 | case LPFC_INIT_START: |
416 | case LPFC_INIT_MBX_CMDS: | |
417 | case LPFC_LINK_DOWN: | |
2e0fef85 | 418 | case LPFC_HBA_ERROR: |
a0c87cbd JS |
419 | if (phba->hba_flag & LINK_DISABLED) |
420 | len += snprintf(buf + len, PAGE_SIZE-len, | |
421 | "Link Down - User disabled\n"); | |
422 | else | |
423 | len += snprintf(buf + len, PAGE_SIZE-len, | |
424 | "Link Down\n"); | |
dea3101e | 425 | break; |
426 | case LPFC_LINK_UP: | |
dea3101e | 427 | case LPFC_CLEAR_LA: |
dea3101e | 428 | case LPFC_HBA_READY: |
a8adb832 | 429 | len += snprintf(buf + len, PAGE_SIZE-len, "Link Up - "); |
2e0fef85 JS |
430 | |
431 | switch (vport->port_state) { | |
2e0fef85 JS |
432 | case LPFC_LOCAL_CFG_LINK: |
433 | len += snprintf(buf + len, PAGE_SIZE-len, | |
92d7f7b0 | 434 | "Configuring Link\n"); |
2e0fef85 | 435 | break; |
92d7f7b0 | 436 | case LPFC_FDISC: |
2e0fef85 JS |
437 | case LPFC_FLOGI: |
438 | case LPFC_FABRIC_CFG_LINK: | |
439 | case LPFC_NS_REG: | |
440 | case LPFC_NS_QRY: | |
441 | case LPFC_BUILD_DISC_LIST: | |
442 | case LPFC_DISC_AUTH: | |
443 | len += snprintf(buf + len, PAGE_SIZE - len, | |
444 | "Discovery\n"); | |
445 | break; | |
446 | case LPFC_VPORT_READY: | |
447 | len += snprintf(buf + len, PAGE_SIZE - len, "Ready\n"); | |
448 | break; | |
449 | ||
92d7f7b0 JS |
450 | case LPFC_VPORT_FAILED: |
451 | len += snprintf(buf + len, PAGE_SIZE - len, "Failed\n"); | |
452 | break; | |
453 | ||
454 | case LPFC_VPORT_UNKNOWN: | |
2e0fef85 JS |
455 | len += snprintf(buf + len, PAGE_SIZE - len, |
456 | "Unknown\n"); | |
457 | break; | |
458 | } | |
84774a4d JS |
459 | if (phba->sli.sli_flag & LPFC_MENLO_MAINT) |
460 | len += snprintf(buf + len, PAGE_SIZE-len, | |
461 | " Menlo Maint Mode\n"); | |
76a95d75 | 462 | else if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { |
2e0fef85 | 463 | if (vport->fc_flag & FC_PUBLIC_LOOP) |
dea3101e | 464 | len += snprintf(buf + len, PAGE_SIZE-len, |
465 | " Public Loop\n"); | |
466 | else | |
467 | len += snprintf(buf + len, PAGE_SIZE-len, | |
468 | " Private Loop\n"); | |
469 | } else { | |
2e0fef85 | 470 | if (vport->fc_flag & FC_FABRIC) |
dea3101e | 471 | len += snprintf(buf + len, PAGE_SIZE-len, |
472 | " Fabric\n"); | |
473 | else | |
474 | len += snprintf(buf + len, PAGE_SIZE-len, | |
475 | " Point-2-Point\n"); | |
476 | } | |
477 | } | |
2e0fef85 | 478 | |
dea3101e | 479 | return len; |
480 | } | |
481 | ||
84d1b006 JS |
482 | /** |
483 | * lpfc_link_state_store - Transition the link_state on an HBA port | |
484 | * @dev: class device that is converted into a Scsi_host. | |
485 | * @attr: device attribute, not used. | |
486 | * @buf: one or more lpfc_polling_flags values. | |
487 | * @count: not used. | |
488 | * | |
489 | * Returns: | |
490 | * -EINVAL if the buffer is not "up" or "down" | |
491 | * return from link state change function if non-zero | |
492 | * length of the buf on success | |
493 | **/ | |
494 | static ssize_t | |
495 | lpfc_link_state_store(struct device *dev, struct device_attribute *attr, | |
496 | const char *buf, size_t count) | |
497 | { | |
498 | struct Scsi_Host *shost = class_to_shost(dev); | |
499 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
500 | struct lpfc_hba *phba = vport->phba; | |
501 | ||
502 | int status = -EINVAL; | |
503 | ||
504 | if ((strncmp(buf, "up", sizeof("up") - 1) == 0) && | |
505 | (phba->link_state == LPFC_LINK_DOWN)) | |
6e7288d9 | 506 | status = phba->lpfc_hba_init_link(phba, MBX_NOWAIT); |
84d1b006 JS |
507 | else if ((strncmp(buf, "down", sizeof("down") - 1) == 0) && |
508 | (phba->link_state >= LPFC_LINK_UP)) | |
6e7288d9 | 509 | status = phba->lpfc_hba_down_link(phba, MBX_NOWAIT); |
84d1b006 JS |
510 | |
511 | if (status == 0) | |
512 | return strlen(buf); | |
513 | else | |
514 | return status; | |
515 | } | |
516 | ||
e59058c4 | 517 | /** |
3621a710 | 518 | * lpfc_num_discovered_ports_show - Return sum of mapped and unmapped vports |
e59058c4 JS |
519 | * @dev: class device that is converted into a Scsi_host. |
520 | * @attr: device attribute, not used. | |
521 | * @buf: on return contains the sum of fc mapped and unmapped. | |
522 | * | |
523 | * Description: | |
524 | * Returns the ascii text number of the sum of the fc mapped and unmapped | |
525 | * vport counts. | |
526 | * | |
527 | * Returns: size of formatted string. | |
528 | **/ | |
dea3101e | 529 | static ssize_t |
ee959b00 TJ |
530 | lpfc_num_discovered_ports_show(struct device *dev, |
531 | struct device_attribute *attr, char *buf) | |
dea3101e | 532 | { |
ee959b00 | 533 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
534 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
535 | ||
536 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
537 | vport->fc_map_cnt + vport->fc_unmap_cnt); | |
dea3101e | 538 | } |
539 | ||
e59058c4 | 540 | /** |
3621a710 | 541 | * lpfc_issue_lip - Misnomer, name carried over from long ago |
e59058c4 JS |
542 | * @shost: Scsi_Host pointer. |
543 | * | |
544 | * Description: | |
545 | * Bring the link down gracefully then re-init the link. The firmware will | |
546 | * re-init the fiber channel interface as required. Does not issue a LIP. | |
547 | * | |
548 | * Returns: | |
549 | * -EPERM port offline or management commands are being blocked | |
550 | * -ENOMEM cannot allocate memory for the mailbox command | |
551 | * -EIO error sending the mailbox command | |
552 | * zero for success | |
553 | **/ | |
91ca7b01 | 554 | static int |
2e0fef85 | 555 | lpfc_issue_lip(struct Scsi_Host *shost) |
dea3101e | 556 | { |
2e0fef85 JS |
557 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
558 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 559 | LPFC_MBOXQ_t *pmboxq; |
560 | int mbxstatus = MBXERR_ERROR; | |
561 | ||
2e0fef85 | 562 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
83108bd3 | 563 | (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)) |
dea3101e | 564 | return -EPERM; |
565 | ||
566 | pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL); | |
567 | ||
568 | if (!pmboxq) | |
569 | return -ENOMEM; | |
570 | ||
571 | memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t)); | |
04c68496 JS |
572 | pmboxq->u.mb.mbxCommand = MBX_DOWN_LINK; |
573 | pmboxq->u.mb.mbxOwner = OWN_HOST; | |
4db621e0 | 574 | |
33ccf8d1 | 575 | mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO * 2); |
dea3101e | 576 | |
04c68496 JS |
577 | if ((mbxstatus == MBX_SUCCESS) && |
578 | (pmboxq->u.mb.mbxStatus == 0 || | |
579 | pmboxq->u.mb.mbxStatus == MBXERR_LINK_DOWN)) { | |
4db621e0 JS |
580 | memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t)); |
581 | lpfc_init_link(phba, pmboxq, phba->cfg_topology, | |
582 | phba->cfg_link_speed); | |
583 | mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, | |
584 | phba->fc_ratov * 2); | |
dcf2a4e0 JS |
585 | if ((mbxstatus == MBX_SUCCESS) && |
586 | (pmboxq->u.mb.mbxStatus == MBXERR_SEC_NO_PERMISSION)) | |
587 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
588 | "2859 SLI authentication is required " | |
589 | "for INIT_LINK but has not done yet\n"); | |
4db621e0 JS |
590 | } |
591 | ||
5b8bd0c9 | 592 | lpfc_set_loopback_flag(phba); |
858c9f6c | 593 | if (mbxstatus != MBX_TIMEOUT) |
433c3579 | 594 | mempool_free(pmboxq, phba->mbox_mem_pool); |
dea3101e | 595 | |
596 | if (mbxstatus == MBXERR_ERROR) | |
597 | return -EIO; | |
598 | ||
91ca7b01 | 599 | return 0; |
dea3101e | 600 | } |
601 | ||
e59058c4 | 602 | /** |
3621a710 | 603 | * lpfc_do_offline - Issues a mailbox command to bring the link down |
e59058c4 JS |
604 | * @phba: lpfc_hba pointer. |
605 | * @type: LPFC_EVT_OFFLINE, LPFC_EVT_WARM_START, LPFC_EVT_KILL. | |
606 | * | |
607 | * Notes: | |
608 | * Assumes any error from lpfc_do_offline() will be negative. | |
609 | * Can wait up to 5 seconds for the port ring buffers count | |
610 | * to reach zero, prints a warning if it is not zero and continues. | |
3621a710 | 611 | * lpfc_workq_post_event() returns a non-zero return code if call fails. |
e59058c4 JS |
612 | * |
613 | * Returns: | |
614 | * -EIO error posting the event | |
615 | * zero for success | |
616 | **/ | |
40496f07 | 617 | static int |
46fa311e | 618 | lpfc_do_offline(struct lpfc_hba *phba, uint32_t type) |
40496f07 JS |
619 | { |
620 | struct completion online_compl; | |
46fa311e JS |
621 | struct lpfc_sli_ring *pring; |
622 | struct lpfc_sli *psli; | |
40496f07 | 623 | int status = 0; |
46fa311e JS |
624 | int cnt = 0; |
625 | int i; | |
40496f07 JS |
626 | |
627 | init_completion(&online_compl); | |
628 | lpfc_workq_post_event(phba, &status, &online_compl, | |
46fa311e JS |
629 | LPFC_EVT_OFFLINE_PREP); |
630 | wait_for_completion(&online_compl); | |
631 | ||
632 | if (status != 0) | |
633 | return -EIO; | |
634 | ||
635 | psli = &phba->sli; | |
636 | ||
09372820 JS |
637 | /* Wait a little for things to settle down, but not |
638 | * long enough for dev loss timeout to expire. | |
639 | */ | |
46fa311e JS |
640 | for (i = 0; i < psli->num_rings; i++) { |
641 | pring = &psli->ring[i]; | |
46fa311e JS |
642 | while (pring->txcmplq_cnt) { |
643 | msleep(10); | |
09372820 | 644 | if (cnt++ > 500) { /* 5 secs */ |
46fa311e JS |
645 | lpfc_printf_log(phba, |
646 | KERN_WARNING, LOG_INIT, | |
e8b62011 JS |
647 | "0466 Outstanding IO when " |
648 | "bringing Adapter offline\n"); | |
46fa311e JS |
649 | break; |
650 | } | |
651 | } | |
652 | } | |
653 | ||
654 | init_completion(&online_compl); | |
655 | lpfc_workq_post_event(phba, &status, &online_compl, type); | |
40496f07 JS |
656 | wait_for_completion(&online_compl); |
657 | ||
658 | if (status != 0) | |
659 | return -EIO; | |
660 | ||
46fa311e JS |
661 | return 0; |
662 | } | |
663 | ||
e59058c4 | 664 | /** |
3621a710 | 665 | * lpfc_selective_reset - Offline then onlines the port |
e59058c4 JS |
666 | * @phba: lpfc_hba pointer. |
667 | * | |
668 | * Description: | |
669 | * If the port is configured to allow a reset then the hba is brought | |
670 | * offline then online. | |
671 | * | |
672 | * Notes: | |
673 | * Assumes any error from lpfc_do_offline() will be negative. | |
674 | * | |
675 | * Returns: | |
676 | * lpfc_do_offline() return code if not zero | |
677 | * -EIO reset not configured or error posting the event | |
678 | * zero for success | |
679 | **/ | |
46fa311e JS |
680 | static int |
681 | lpfc_selective_reset(struct lpfc_hba *phba) | |
682 | { | |
683 | struct completion online_compl; | |
684 | int status = 0; | |
685 | ||
13815c83 JS |
686 | if (!phba->cfg_enable_hba_reset) |
687 | return -EIO; | |
688 | ||
46fa311e JS |
689 | status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); |
690 | ||
691 | if (status != 0) | |
692 | return status; | |
693 | ||
40496f07 JS |
694 | init_completion(&online_compl); |
695 | lpfc_workq_post_event(phba, &status, &online_compl, | |
696 | LPFC_EVT_ONLINE); | |
697 | wait_for_completion(&online_compl); | |
698 | ||
699 | if (status != 0) | |
700 | return -EIO; | |
701 | ||
702 | return 0; | |
703 | } | |
704 | ||
e59058c4 | 705 | /** |
3621a710 | 706 | * lpfc_issue_reset - Selectively resets an adapter |
e59058c4 JS |
707 | * @dev: class device that is converted into a Scsi_host. |
708 | * @attr: device attribute, not used. | |
709 | * @buf: containing the string "selective". | |
710 | * @count: unused variable. | |
711 | * | |
712 | * Description: | |
713 | * If the buf contains the string "selective" then lpfc_selective_reset() | |
714 | * is called to perform the reset. | |
715 | * | |
716 | * Notes: | |
717 | * Assumes any error from lpfc_selective_reset() will be negative. | |
718 | * If lpfc_selective_reset() returns zero then the length of the buffer | |
af901ca1 | 719 | * is returned which indicates success |
e59058c4 JS |
720 | * |
721 | * Returns: | |
722 | * -EINVAL if the buffer does not contain the string "selective" | |
723 | * length of buf if lpfc-selective_reset() if the call succeeds | |
724 | * return value of lpfc_selective_reset() if the call fails | |
725 | **/ | |
40496f07 | 726 | static ssize_t |
ee959b00 TJ |
727 | lpfc_issue_reset(struct device *dev, struct device_attribute *attr, |
728 | const char *buf, size_t count) | |
40496f07 | 729 | { |
ee959b00 | 730 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
731 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
732 | struct lpfc_hba *phba = vport->phba; | |
733 | ||
40496f07 JS |
734 | int status = -EINVAL; |
735 | ||
736 | if (strncmp(buf, "selective", sizeof("selective") - 1) == 0) | |
737 | status = lpfc_selective_reset(phba); | |
738 | ||
739 | if (status == 0) | |
740 | return strlen(buf); | |
741 | else | |
742 | return status; | |
743 | } | |
744 | ||
e59058c4 | 745 | /** |
3621a710 | 746 | * lpfc_nport_evt_cnt_show - Return the number of nport events |
e59058c4 JS |
747 | * @dev: class device that is converted into a Scsi_host. |
748 | * @attr: device attribute, not used. | |
749 | * @buf: on return contains the ascii number of nport events. | |
750 | * | |
751 | * Returns: size of formatted string. | |
752 | **/ | |
dea3101e | 753 | static ssize_t |
ee959b00 TJ |
754 | lpfc_nport_evt_cnt_show(struct device *dev, struct device_attribute *attr, |
755 | char *buf) | |
dea3101e | 756 | { |
ee959b00 | 757 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
758 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
759 | struct lpfc_hba *phba = vport->phba; | |
760 | ||
dea3101e | 761 | return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt); |
762 | } | |
763 | ||
e59058c4 | 764 | /** |
3621a710 | 765 | * lpfc_board_mode_show - Return the state of the board |
e59058c4 JS |
766 | * @dev: class device that is converted into a Scsi_host. |
767 | * @attr: device attribute, not used. | |
768 | * @buf: on return contains the state of the adapter. | |
769 | * | |
770 | * Returns: size of formatted string. | |
771 | **/ | |
41415862 | 772 | static ssize_t |
ee959b00 TJ |
773 | lpfc_board_mode_show(struct device *dev, struct device_attribute *attr, |
774 | char *buf) | |
41415862 | 775 | { |
ee959b00 | 776 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
777 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
778 | struct lpfc_hba *phba = vport->phba; | |
41415862 JW |
779 | char * state; |
780 | ||
2e0fef85 | 781 | if (phba->link_state == LPFC_HBA_ERROR) |
41415862 | 782 | state = "error"; |
2e0fef85 | 783 | else if (phba->link_state == LPFC_WARM_START) |
41415862 | 784 | state = "warm start"; |
2e0fef85 | 785 | else if (phba->link_state == LPFC_INIT_START) |
41415862 JW |
786 | state = "offline"; |
787 | else | |
788 | state = "online"; | |
789 | ||
790 | return snprintf(buf, PAGE_SIZE, "%s\n", state); | |
791 | } | |
792 | ||
e59058c4 | 793 | /** |
3621a710 | 794 | * lpfc_board_mode_store - Puts the hba in online, offline, warm or error state |
e59058c4 JS |
795 | * @dev: class device that is converted into a Scsi_host. |
796 | * @attr: device attribute, not used. | |
797 | * @buf: containing one of the strings "online", "offline", "warm" or "error". | |
798 | * @count: unused variable. | |
799 | * | |
800 | * Returns: | |
801 | * -EACCES if enable hba reset not enabled | |
802 | * -EINVAL if the buffer does not contain a valid string (see above) | |
803 | * -EIO if lpfc_workq_post_event() or lpfc_do_offline() fails | |
804 | * buf length greater than zero indicates success | |
805 | **/ | |
41415862 | 806 | static ssize_t |
ee959b00 TJ |
807 | lpfc_board_mode_store(struct device *dev, struct device_attribute *attr, |
808 | const char *buf, size_t count) | |
41415862 | 809 | { |
ee959b00 | 810 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
811 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
812 | struct lpfc_hba *phba = vport->phba; | |
41415862 JW |
813 | struct completion online_compl; |
814 | int status=0; | |
815 | ||
13815c83 JS |
816 | if (!phba->cfg_enable_hba_reset) |
817 | return -EACCES; | |
41415862 JW |
818 | init_completion(&online_compl); |
819 | ||
46fa311e | 820 | if(strncmp(buf, "online", sizeof("online") - 1) == 0) { |
41415862 JW |
821 | lpfc_workq_post_event(phba, &status, &online_compl, |
822 | LPFC_EVT_ONLINE); | |
46fa311e JS |
823 | wait_for_completion(&online_compl); |
824 | } else if (strncmp(buf, "offline", sizeof("offline") - 1) == 0) | |
825 | status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); | |
41415862 | 826 | else if (strncmp(buf, "warm", sizeof("warm") - 1) == 0) |
6a9c52cf JS |
827 | if (phba->sli_rev == LPFC_SLI_REV4) |
828 | return -EINVAL; | |
829 | else | |
830 | status = lpfc_do_offline(phba, LPFC_EVT_WARM_START); | |
46fa311e | 831 | else if (strncmp(buf, "error", sizeof("error") - 1) == 0) |
6a9c52cf JS |
832 | if (phba->sli_rev == LPFC_SLI_REV4) |
833 | return -EINVAL; | |
834 | else | |
835 | status = lpfc_do_offline(phba, LPFC_EVT_KILL); | |
41415862 JW |
836 | else |
837 | return -EINVAL; | |
838 | ||
41415862 JW |
839 | if (!status) |
840 | return strlen(buf); | |
841 | else | |
842 | return -EIO; | |
843 | } | |
844 | ||
e59058c4 | 845 | /** |
3621a710 | 846 | * lpfc_get_hba_info - Return various bits of informaton about the adapter |
e59058c4 | 847 | * @phba: pointer to the adapter structure. |
3621a710 JS |
848 | * @mxri: max xri count. |
849 | * @axri: available xri count. | |
850 | * @mrpi: max rpi count. | |
851 | * @arpi: available rpi count. | |
852 | * @mvpi: max vpi count. | |
853 | * @avpi: available vpi count. | |
e59058c4 JS |
854 | * |
855 | * Description: | |
856 | * If an integer pointer for an count is not null then the value for the | |
857 | * count is returned. | |
858 | * | |
859 | * Returns: | |
860 | * zero on error | |
861 | * one for success | |
862 | **/ | |
311464ec | 863 | static int |
858c9f6c JS |
864 | lpfc_get_hba_info(struct lpfc_hba *phba, |
865 | uint32_t *mxri, uint32_t *axri, | |
866 | uint32_t *mrpi, uint32_t *arpi, | |
867 | uint32_t *mvpi, uint32_t *avpi) | |
92d7f7b0 | 868 | { |
04c68496 | 869 | struct lpfc_mbx_read_config *rd_config; |
92d7f7b0 JS |
870 | LPFC_MBOXQ_t *pmboxq; |
871 | MAILBOX_t *pmb; | |
872 | int rc = 0; | |
15672319 | 873 | uint32_t max_vpi; |
92d7f7b0 JS |
874 | |
875 | /* | |
876 | * prevent udev from issuing mailbox commands until the port is | |
877 | * configured. | |
878 | */ | |
879 | if (phba->link_state < LPFC_LINK_DOWN || | |
880 | !phba->mbox_mem_pool || | |
f4b4c68f | 881 | (phba->sli.sli_flag & LPFC_SLI_ACTIVE) == 0) |
92d7f7b0 JS |
882 | return 0; |
883 | ||
884 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) | |
885 | return 0; | |
886 | ||
887 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
888 | if (!pmboxq) | |
889 | return 0; | |
890 | memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); | |
891 | ||
04c68496 | 892 | pmb = &pmboxq->u.mb; |
92d7f7b0 JS |
893 | pmb->mbxCommand = MBX_READ_CONFIG; |
894 | pmb->mbxOwner = OWN_HOST; | |
895 | pmboxq->context1 = NULL; | |
896 | ||
75baf696 | 897 | if (phba->pport->fc_flag & FC_OFFLINE_MODE) |
92d7f7b0 JS |
898 | rc = MBX_NOT_FINISHED; |
899 | else | |
900 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); | |
901 | ||
902 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 903 | if (rc != MBX_TIMEOUT) |
92d7f7b0 JS |
904 | mempool_free(pmboxq, phba->mbox_mem_pool); |
905 | return 0; | |
906 | } | |
907 | ||
da0436e9 JS |
908 | if (phba->sli_rev == LPFC_SLI_REV4) { |
909 | rd_config = &pmboxq->u.mqe.un.rd_config; | |
910 | if (mrpi) | |
911 | *mrpi = bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config); | |
912 | if (arpi) | |
913 | *arpi = bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config) - | |
914 | phba->sli4_hba.max_cfg_param.rpi_used; | |
915 | if (mxri) | |
916 | *mxri = bf_get(lpfc_mbx_rd_conf_xri_count, rd_config); | |
917 | if (axri) | |
918 | *axri = bf_get(lpfc_mbx_rd_conf_xri_count, rd_config) - | |
919 | phba->sli4_hba.max_cfg_param.xri_used; | |
15672319 JS |
920 | |
921 | /* Account for differences with SLI-3. Get vpi count from | |
922 | * mailbox data and subtract one for max vpi value. | |
923 | */ | |
924 | max_vpi = (bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) > 0) ? | |
925 | (bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) - 1) : 0; | |
926 | ||
da0436e9 | 927 | if (mvpi) |
15672319 | 928 | *mvpi = max_vpi; |
da0436e9 | 929 | if (avpi) |
15672319 | 930 | *avpi = max_vpi - phba->sli4_hba.max_cfg_param.vpi_used; |
da0436e9 JS |
931 | } else { |
932 | if (mrpi) | |
933 | *mrpi = pmb->un.varRdConfig.max_rpi; | |
934 | if (arpi) | |
935 | *arpi = pmb->un.varRdConfig.avail_rpi; | |
936 | if (mxri) | |
937 | *mxri = pmb->un.varRdConfig.max_xri; | |
938 | if (axri) | |
939 | *axri = pmb->un.varRdConfig.avail_xri; | |
940 | if (mvpi) | |
941 | *mvpi = pmb->un.varRdConfig.max_vpi; | |
942 | if (avpi) | |
943 | *avpi = pmb->un.varRdConfig.avail_vpi; | |
944 | } | |
92d7f7b0 JS |
945 | |
946 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
947 | return 1; | |
948 | } | |
949 | ||
e59058c4 | 950 | /** |
3621a710 | 951 | * lpfc_max_rpi_show - Return maximum rpi |
e59058c4 JS |
952 | * @dev: class device that is converted into a Scsi_host. |
953 | * @attr: device attribute, not used. | |
954 | * @buf: on return contains the maximum rpi count in decimal or "Unknown". | |
955 | * | |
956 | * Description: | |
957 | * Calls lpfc_get_hba_info() asking for just the mrpi count. | |
958 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
959 | * to "Unknown" and the buffer length is returned, therefore the caller | |
960 | * must check for "Unknown" in the buffer to detect a failure. | |
961 | * | |
962 | * Returns: size of formatted string. | |
963 | **/ | |
92d7f7b0 | 964 | static ssize_t |
ee959b00 TJ |
965 | lpfc_max_rpi_show(struct device *dev, struct device_attribute *attr, |
966 | char *buf) | |
92d7f7b0 | 967 | { |
ee959b00 | 968 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
969 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
970 | struct lpfc_hba *phba = vport->phba; | |
971 | uint32_t cnt; | |
972 | ||
858c9f6c | 973 | if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, NULL, NULL, NULL)) |
92d7f7b0 JS |
974 | return snprintf(buf, PAGE_SIZE, "%d\n", cnt); |
975 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
976 | } | |
977 | ||
e59058c4 | 978 | /** |
3621a710 | 979 | * lpfc_used_rpi_show - Return maximum rpi minus available rpi |
e59058c4 JS |
980 | * @dev: class device that is converted into a Scsi_host. |
981 | * @attr: device attribute, not used. | |
982 | * @buf: containing the used rpi count in decimal or "Unknown". | |
983 | * | |
984 | * Description: | |
985 | * Calls lpfc_get_hba_info() asking for just the mrpi and arpi counts. | |
986 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
987 | * to "Unknown" and the buffer length is returned, therefore the caller | |
988 | * must check for "Unknown" in the buffer to detect a failure. | |
989 | * | |
990 | * Returns: size of formatted string. | |
991 | **/ | |
92d7f7b0 | 992 | static ssize_t |
ee959b00 TJ |
993 | lpfc_used_rpi_show(struct device *dev, struct device_attribute *attr, |
994 | char *buf) | |
92d7f7b0 | 995 | { |
ee959b00 | 996 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
997 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
998 | struct lpfc_hba *phba = vport->phba; | |
999 | uint32_t cnt, acnt; | |
1000 | ||
858c9f6c | 1001 | if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, &acnt, NULL, NULL)) |
92d7f7b0 JS |
1002 | return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt)); |
1003 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1004 | } | |
1005 | ||
e59058c4 | 1006 | /** |
3621a710 | 1007 | * lpfc_max_xri_show - Return maximum xri |
e59058c4 JS |
1008 | * @dev: class device that is converted into a Scsi_host. |
1009 | * @attr: device attribute, not used. | |
1010 | * @buf: on return contains the maximum xri count in decimal or "Unknown". | |
1011 | * | |
1012 | * Description: | |
1013 | * Calls lpfc_get_hba_info() asking for just the mrpi count. | |
1014 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
1015 | * to "Unknown" and the buffer length is returned, therefore the caller | |
1016 | * must check for "Unknown" in the buffer to detect a failure. | |
1017 | * | |
1018 | * Returns: size of formatted string. | |
1019 | **/ | |
92d7f7b0 | 1020 | static ssize_t |
ee959b00 TJ |
1021 | lpfc_max_xri_show(struct device *dev, struct device_attribute *attr, |
1022 | char *buf) | |
92d7f7b0 | 1023 | { |
ee959b00 | 1024 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
1025 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1026 | struct lpfc_hba *phba = vport->phba; | |
1027 | uint32_t cnt; | |
1028 | ||
858c9f6c | 1029 | if (lpfc_get_hba_info(phba, &cnt, NULL, NULL, NULL, NULL, NULL)) |
92d7f7b0 JS |
1030 | return snprintf(buf, PAGE_SIZE, "%d\n", cnt); |
1031 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1032 | } | |
1033 | ||
e59058c4 | 1034 | /** |
3621a710 | 1035 | * lpfc_used_xri_show - Return maximum xpi minus the available xpi |
e59058c4 JS |
1036 | * @dev: class device that is converted into a Scsi_host. |
1037 | * @attr: device attribute, not used. | |
1038 | * @buf: on return contains the used xri count in decimal or "Unknown". | |
1039 | * | |
1040 | * Description: | |
1041 | * Calls lpfc_get_hba_info() asking for just the mxri and axri counts. | |
1042 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
1043 | * to "Unknown" and the buffer length is returned, therefore the caller | |
1044 | * must check for "Unknown" in the buffer to detect a failure. | |
1045 | * | |
1046 | * Returns: size of formatted string. | |
1047 | **/ | |
92d7f7b0 | 1048 | static ssize_t |
ee959b00 TJ |
1049 | lpfc_used_xri_show(struct device *dev, struct device_attribute *attr, |
1050 | char *buf) | |
92d7f7b0 | 1051 | { |
ee959b00 | 1052 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
1053 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1054 | struct lpfc_hba *phba = vport->phba; | |
1055 | uint32_t cnt, acnt; | |
1056 | ||
858c9f6c JS |
1057 | if (lpfc_get_hba_info(phba, &cnt, &acnt, NULL, NULL, NULL, NULL)) |
1058 | return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt)); | |
1059 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1060 | } | |
1061 | ||
e59058c4 | 1062 | /** |
3621a710 | 1063 | * lpfc_max_vpi_show - Return maximum vpi |
e59058c4 JS |
1064 | * @dev: class device that is converted into a Scsi_host. |
1065 | * @attr: device attribute, not used. | |
1066 | * @buf: on return contains the maximum vpi count in decimal or "Unknown". | |
1067 | * | |
1068 | * Description: | |
1069 | * Calls lpfc_get_hba_info() asking for just the mvpi count. | |
1070 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
1071 | * to "Unknown" and the buffer length is returned, therefore the caller | |
1072 | * must check for "Unknown" in the buffer to detect a failure. | |
1073 | * | |
1074 | * Returns: size of formatted string. | |
1075 | **/ | |
858c9f6c | 1076 | static ssize_t |
ee959b00 TJ |
1077 | lpfc_max_vpi_show(struct device *dev, struct device_attribute *attr, |
1078 | char *buf) | |
858c9f6c | 1079 | { |
ee959b00 | 1080 | struct Scsi_Host *shost = class_to_shost(dev); |
858c9f6c JS |
1081 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1082 | struct lpfc_hba *phba = vport->phba; | |
1083 | uint32_t cnt; | |
1084 | ||
1085 | if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, NULL)) | |
1086 | return snprintf(buf, PAGE_SIZE, "%d\n", cnt); | |
1087 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1088 | } | |
1089 | ||
e59058c4 | 1090 | /** |
3621a710 | 1091 | * lpfc_used_vpi_show - Return maximum vpi minus the available vpi |
e59058c4 JS |
1092 | * @dev: class device that is converted into a Scsi_host. |
1093 | * @attr: device attribute, not used. | |
1094 | * @buf: on return contains the used vpi count in decimal or "Unknown". | |
1095 | * | |
1096 | * Description: | |
1097 | * Calls lpfc_get_hba_info() asking for just the mvpi and avpi counts. | |
1098 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
1099 | * to "Unknown" and the buffer length is returned, therefore the caller | |
1100 | * must check for "Unknown" in the buffer to detect a failure. | |
1101 | * | |
1102 | * Returns: size of formatted string. | |
1103 | **/ | |
858c9f6c | 1104 | static ssize_t |
ee959b00 TJ |
1105 | lpfc_used_vpi_show(struct device *dev, struct device_attribute *attr, |
1106 | char *buf) | |
858c9f6c | 1107 | { |
ee959b00 | 1108 | struct Scsi_Host *shost = class_to_shost(dev); |
858c9f6c JS |
1109 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1110 | struct lpfc_hba *phba = vport->phba; | |
1111 | uint32_t cnt, acnt; | |
1112 | ||
1113 | if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, &acnt)) | |
92d7f7b0 JS |
1114 | return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt)); |
1115 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1116 | } | |
1117 | ||
e59058c4 | 1118 | /** |
3621a710 | 1119 | * lpfc_npiv_info_show - Return text about NPIV support for the adapter |
e59058c4 JS |
1120 | * @dev: class device that is converted into a Scsi_host. |
1121 | * @attr: device attribute, not used. | |
1122 | * @buf: text that must be interpreted to determine if npiv is supported. | |
1123 | * | |
1124 | * Description: | |
1125 | * Buffer will contain text indicating npiv is not suppoerted on the port, | |
1126 | * the port is an NPIV physical port, or it is an npiv virtual port with | |
1127 | * the id of the vport. | |
1128 | * | |
1129 | * Returns: size of formatted string. | |
1130 | **/ | |
92d7f7b0 | 1131 | static ssize_t |
ee959b00 TJ |
1132 | lpfc_npiv_info_show(struct device *dev, struct device_attribute *attr, |
1133 | char *buf) | |
92d7f7b0 | 1134 | { |
ee959b00 | 1135 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
1136 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1137 | struct lpfc_hba *phba = vport->phba; | |
1138 | ||
1139 | if (!(phba->max_vpi)) | |
1140 | return snprintf(buf, PAGE_SIZE, "NPIV Not Supported\n"); | |
1141 | if (vport->port_type == LPFC_PHYSICAL_PORT) | |
1142 | return snprintf(buf, PAGE_SIZE, "NPIV Physical\n"); | |
1143 | return snprintf(buf, PAGE_SIZE, "NPIV Virtual (VPI %d)\n", vport->vpi); | |
1144 | } | |
1145 | ||
e59058c4 | 1146 | /** |
3621a710 | 1147 | * lpfc_poll_show - Return text about poll support for the adapter |
e59058c4 JS |
1148 | * @dev: class device that is converted into a Scsi_host. |
1149 | * @attr: device attribute, not used. | |
1150 | * @buf: on return contains the cfg_poll in hex. | |
1151 | * | |
1152 | * Notes: | |
1153 | * cfg_poll should be a lpfc_polling_flags type. | |
1154 | * | |
1155 | * Returns: size of formatted string. | |
1156 | **/ | |
875fbdfe | 1157 | static ssize_t |
ee959b00 TJ |
1158 | lpfc_poll_show(struct device *dev, struct device_attribute *attr, |
1159 | char *buf) | |
875fbdfe | 1160 | { |
ee959b00 | 1161 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1162 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1163 | struct lpfc_hba *phba = vport->phba; | |
875fbdfe JSEC |
1164 | |
1165 | return snprintf(buf, PAGE_SIZE, "%#x\n", phba->cfg_poll); | |
1166 | } | |
1167 | ||
e59058c4 | 1168 | /** |
3621a710 | 1169 | * lpfc_poll_store - Set the value of cfg_poll for the adapter |
e59058c4 JS |
1170 | * @dev: class device that is converted into a Scsi_host. |
1171 | * @attr: device attribute, not used. | |
1172 | * @buf: one or more lpfc_polling_flags values. | |
1173 | * @count: not used. | |
1174 | * | |
1175 | * Notes: | |
1176 | * buf contents converted to integer and checked for a valid value. | |
1177 | * | |
1178 | * Returns: | |
1179 | * -EINVAL if the buffer connot be converted or is out of range | |
1180 | * length of the buf on success | |
1181 | **/ | |
875fbdfe | 1182 | static ssize_t |
ee959b00 TJ |
1183 | lpfc_poll_store(struct device *dev, struct device_attribute *attr, |
1184 | const char *buf, size_t count) | |
875fbdfe | 1185 | { |
ee959b00 | 1186 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1187 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1188 | struct lpfc_hba *phba = vport->phba; | |
875fbdfe JSEC |
1189 | uint32_t creg_val; |
1190 | uint32_t old_val; | |
1191 | int val=0; | |
1192 | ||
1193 | if (!isdigit(buf[0])) | |
1194 | return -EINVAL; | |
1195 | ||
1196 | if (sscanf(buf, "%i", &val) != 1) | |
1197 | return -EINVAL; | |
1198 | ||
1199 | if ((val & 0x3) != val) | |
1200 | return -EINVAL; | |
1201 | ||
45ed1190 JS |
1202 | if (phba->sli_rev == LPFC_SLI_REV4) |
1203 | val = 0; | |
1204 | ||
2e0fef85 | 1205 | spin_lock_irq(&phba->hbalock); |
875fbdfe JSEC |
1206 | |
1207 | old_val = phba->cfg_poll; | |
1208 | ||
1209 | if (val & ENABLE_FCP_RING_POLLING) { | |
1210 | if ((val & DISABLE_FCP_RING_INT) && | |
1211 | !(old_val & DISABLE_FCP_RING_INT)) { | |
1212 | creg_val = readl(phba->HCregaddr); | |
1213 | creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING); | |
1214 | writel(creg_val, phba->HCregaddr); | |
1215 | readl(phba->HCregaddr); /* flush */ | |
1216 | ||
1217 | lpfc_poll_start_timer(phba); | |
1218 | } | |
1219 | } else if (val != 0x0) { | |
2e0fef85 | 1220 | spin_unlock_irq(&phba->hbalock); |
875fbdfe JSEC |
1221 | return -EINVAL; |
1222 | } | |
1223 | ||
1224 | if (!(val & DISABLE_FCP_RING_INT) && | |
1225 | (old_val & DISABLE_FCP_RING_INT)) | |
1226 | { | |
2e0fef85 | 1227 | spin_unlock_irq(&phba->hbalock); |
875fbdfe | 1228 | del_timer(&phba->fcp_poll_timer); |
2e0fef85 | 1229 | spin_lock_irq(&phba->hbalock); |
875fbdfe JSEC |
1230 | creg_val = readl(phba->HCregaddr); |
1231 | creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING); | |
1232 | writel(creg_val, phba->HCregaddr); | |
1233 | readl(phba->HCregaddr); /* flush */ | |
1234 | } | |
1235 | ||
1236 | phba->cfg_poll = val; | |
1237 | ||
2e0fef85 | 1238 | spin_unlock_irq(&phba->hbalock); |
875fbdfe JSEC |
1239 | |
1240 | return strlen(buf); | |
1241 | } | |
dea3101e | 1242 | |
bc73905a JS |
1243 | /** |
1244 | * lpfc_fips_level_show - Return the current FIPS level for the HBA | |
1245 | * @dev: class unused variable. | |
1246 | * @attr: device attribute, not used. | |
1247 | * @buf: on return contains the module description text. | |
1248 | * | |
1249 | * Returns: size of formatted string. | |
1250 | **/ | |
1251 | static ssize_t | |
1252 | lpfc_fips_level_show(struct device *dev, struct device_attribute *attr, | |
1253 | char *buf) | |
1254 | { | |
1255 | struct Scsi_Host *shost = class_to_shost(dev); | |
1256 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
1257 | struct lpfc_hba *phba = vport->phba; | |
1258 | ||
1259 | return snprintf(buf, PAGE_SIZE, "%d\n", phba->fips_level); | |
1260 | } | |
1261 | ||
1262 | /** | |
1263 | * lpfc_fips_rev_show - Return the FIPS Spec revision for the HBA | |
1264 | * @dev: class unused variable. | |
1265 | * @attr: device attribute, not used. | |
1266 | * @buf: on return contains the module description text. | |
1267 | * | |
1268 | * Returns: size of formatted string. | |
1269 | **/ | |
1270 | static ssize_t | |
1271 | lpfc_fips_rev_show(struct device *dev, struct device_attribute *attr, | |
1272 | char *buf) | |
1273 | { | |
1274 | struct Scsi_Host *shost = class_to_shost(dev); | |
1275 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
1276 | struct lpfc_hba *phba = vport->phba; | |
1277 | ||
1278 | return snprintf(buf, PAGE_SIZE, "%d\n", phba->fips_spec_rev); | |
1279 | } | |
1280 | ||
e59058c4 | 1281 | /** |
3621a710 | 1282 | * lpfc_param_show - Return a cfg attribute value in decimal |
e59058c4 JS |
1283 | * |
1284 | * Description: | |
1285 | * Macro that given an attr e.g. hba_queue_depth expands | |
1286 | * into a function with the name lpfc_hba_queue_depth_show. | |
1287 | * | |
1288 | * lpfc_##attr##_show: Return the decimal value of an adapters cfg_xxx field. | |
1289 | * @dev: class device that is converted into a Scsi_host. | |
1290 | * @attr: device attribute, not used. | |
1291 | * @buf: on return contains the attribute value in decimal. | |
1292 | * | |
1293 | * Returns: size of formatted string. | |
1294 | **/ | |
dea3101e | 1295 | #define lpfc_param_show(attr) \ |
1296 | static ssize_t \ | |
ee959b00 TJ |
1297 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
1298 | char *buf) \ | |
dea3101e | 1299 | { \ |
ee959b00 | 1300 | struct Scsi_Host *shost = class_to_shost(dev);\ |
2e0fef85 JS |
1301 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
1302 | struct lpfc_hba *phba = vport->phba;\ | |
84d1b006 | 1303 | uint val = 0;\ |
7bcbb752 JSEC |
1304 | val = phba->cfg_##attr;\ |
1305 | return snprintf(buf, PAGE_SIZE, "%d\n",\ | |
1306 | phba->cfg_##attr);\ | |
1307 | } | |
1308 | ||
e59058c4 | 1309 | /** |
3621a710 | 1310 | * lpfc_param_hex_show - Return a cfg attribute value in hex |
e59058c4 JS |
1311 | * |
1312 | * Description: | |
1313 | * Macro that given an attr e.g. hba_queue_depth expands | |
1314 | * into a function with the name lpfc_hba_queue_depth_show | |
1315 | * | |
1316 | * lpfc_##attr##_show: Return the hex value of an adapters cfg_xxx field. | |
1317 | * @dev: class device that is converted into a Scsi_host. | |
1318 | * @attr: device attribute, not used. | |
3621a710 | 1319 | * @buf: on return contains the attribute value in hexadecimal. |
e59058c4 JS |
1320 | * |
1321 | * Returns: size of formatted string. | |
1322 | **/ | |
93a20f74 JSEC |
1323 | #define lpfc_param_hex_show(attr) \ |
1324 | static ssize_t \ | |
ee959b00 TJ |
1325 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
1326 | char *buf) \ | |
93a20f74 | 1327 | { \ |
ee959b00 | 1328 | struct Scsi_Host *shost = class_to_shost(dev);\ |
2e0fef85 JS |
1329 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
1330 | struct lpfc_hba *phba = vport->phba;\ | |
84d1b006 | 1331 | uint val = 0;\ |
93a20f74 JSEC |
1332 | val = phba->cfg_##attr;\ |
1333 | return snprintf(buf, PAGE_SIZE, "%#x\n",\ | |
1334 | phba->cfg_##attr);\ | |
1335 | } | |
1336 | ||
e59058c4 | 1337 | /** |
3621a710 | 1338 | * lpfc_param_init - Intializes a cfg attribute |
e59058c4 JS |
1339 | * |
1340 | * Description: | |
1341 | * Macro that given an attr e.g. hba_queue_depth expands | |
1342 | * into a function with the name lpfc_hba_queue_depth_init. The macro also | |
1343 | * takes a default argument, a minimum and maximum argument. | |
1344 | * | |
1345 | * lpfc_##attr##_init: Initializes an attribute. | |
1346 | * @phba: pointer the the adapter structure. | |
1347 | * @val: integer attribute value. | |
1348 | * | |
1349 | * Validates the min and max values then sets the adapter config field | |
1350 | * accordingly, or uses the default if out of range and prints an error message. | |
1351 | * | |
1352 | * Returns: | |
1353 | * zero on success | |
1354 | * -EINVAL if default used | |
1355 | **/ | |
7bcbb752 JSEC |
1356 | #define lpfc_param_init(attr, default, minval, maxval) \ |
1357 | static int \ | |
84d1b006 | 1358 | lpfc_##attr##_init(struct lpfc_hba *phba, uint val) \ |
7bcbb752 JSEC |
1359 | { \ |
1360 | if (val >= minval && val <= maxval) {\ | |
1361 | phba->cfg_##attr = val;\ | |
1362 | return 0;\ | |
dea3101e | 1363 | }\ |
7bcbb752 | 1364 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \ |
e8b62011 JS |
1365 | "0449 lpfc_"#attr" attribute cannot be set to %d, "\ |
1366 | "allowed range is ["#minval", "#maxval"]\n", val); \ | |
7bcbb752 JSEC |
1367 | phba->cfg_##attr = default;\ |
1368 | return -EINVAL;\ | |
dea3101e | 1369 | } |
1370 | ||
e59058c4 | 1371 | /** |
3621a710 | 1372 | * lpfc_param_set - Set a cfg attribute value |
e59058c4 JS |
1373 | * |
1374 | * Description: | |
1375 | * Macro that given an attr e.g. hba_queue_depth expands | |
1376 | * into a function with the name lpfc_hba_queue_depth_set | |
1377 | * | |
1378 | * lpfc_##attr##_set: Sets an attribute value. | |
1379 | * @phba: pointer the the adapter structure. | |
1380 | * @val: integer attribute value. | |
1381 | * | |
1382 | * Description: | |
1383 | * Validates the min and max values then sets the | |
1384 | * adapter config field if in the valid range. prints error message | |
1385 | * and does not set the parameter if invalid. | |
1386 | * | |
1387 | * Returns: | |
1388 | * zero on success | |
1389 | * -EINVAL if val is invalid | |
1390 | **/ | |
7bcbb752 JSEC |
1391 | #define lpfc_param_set(attr, default, minval, maxval) \ |
1392 | static int \ | |
84d1b006 | 1393 | lpfc_##attr##_set(struct lpfc_hba *phba, uint val) \ |
7bcbb752 JSEC |
1394 | { \ |
1395 | if (val >= minval && val <= maxval) {\ | |
1396 | phba->cfg_##attr = val;\ | |
1397 | return 0;\ | |
1398 | }\ | |
1399 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \ | |
e8b62011 JS |
1400 | "0450 lpfc_"#attr" attribute cannot be set to %d, "\ |
1401 | "allowed range is ["#minval", "#maxval"]\n", val); \ | |
7bcbb752 JSEC |
1402 | return -EINVAL;\ |
1403 | } | |
1404 | ||
e59058c4 | 1405 | /** |
3621a710 | 1406 | * lpfc_param_store - Set a vport 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_store. | |
1411 | * | |
1412 | * lpfc_##attr##_store: Set an sttribute value. | |
1413 | * @dev: class device that is converted into a Scsi_host. | |
1414 | * @attr: device attribute, not used. | |
1415 | * @buf: contains the attribute value in ascii. | |
1416 | * @count: not used. | |
1417 | * | |
1418 | * Description: | |
1419 | * Convert the ascii text number to an integer, then | |
1420 | * use the lpfc_##attr##_set function to set the value. | |
1421 | * | |
1422 | * Returns: | |
1423 | * -EINVAL if val is invalid or lpfc_##attr##_set() fails | |
1424 | * length of buffer upon success. | |
1425 | **/ | |
7bcbb752 | 1426 | #define lpfc_param_store(attr) \ |
dea3101e | 1427 | static ssize_t \ |
ee959b00 TJ |
1428 | lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \ |
1429 | const char *buf, size_t count) \ | |
dea3101e | 1430 | { \ |
ee959b00 | 1431 | struct Scsi_Host *shost = class_to_shost(dev);\ |
2e0fef85 JS |
1432 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
1433 | struct lpfc_hba *phba = vport->phba;\ | |
84d1b006 | 1434 | uint val = 0;\ |
93a20f74 JSEC |
1435 | if (!isdigit(buf[0]))\ |
1436 | return -EINVAL;\ | |
1437 | if (sscanf(buf, "%i", &val) != 1)\ | |
1438 | return -EINVAL;\ | |
7bcbb752 | 1439 | if (lpfc_##attr##_set(phba, val) == 0) \ |
755c0d06 | 1440 | return strlen(buf);\ |
7bcbb752 JSEC |
1441 | else \ |
1442 | return -EINVAL;\ | |
dea3101e | 1443 | } |
1444 | ||
e59058c4 | 1445 | /** |
3621a710 | 1446 | * lpfc_vport_param_show - Return decimal formatted cfg attribute value |
e59058c4 JS |
1447 | * |
1448 | * Description: | |
1449 | * Macro that given an attr e.g. hba_queue_depth expands | |
1450 | * into a function with the name lpfc_hba_queue_depth_show | |
1451 | * | |
1452 | * lpfc_##attr##_show: prints the attribute value in decimal. | |
1453 | * @dev: class device that is converted into a Scsi_host. | |
1454 | * @attr: device attribute, not used. | |
1455 | * @buf: on return contains the attribute value in decimal. | |
1456 | * | |
1457 | * Returns: length of formatted string. | |
1458 | **/ | |
3de2a653 JS |
1459 | #define lpfc_vport_param_show(attr) \ |
1460 | static ssize_t \ | |
ee959b00 TJ |
1461 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
1462 | char *buf) \ | |
3de2a653 | 1463 | { \ |
ee959b00 | 1464 | struct Scsi_Host *shost = class_to_shost(dev);\ |
3de2a653 | 1465 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
84d1b006 | 1466 | uint val = 0;\ |
3de2a653 JS |
1467 | val = vport->cfg_##attr;\ |
1468 | return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_##attr);\ | |
1469 | } | |
1470 | ||
e59058c4 | 1471 | /** |
3621a710 | 1472 | * lpfc_vport_param_hex_show - Return hex formatted attribute value |
e59058c4 JS |
1473 | * |
1474 | * Description: | |
1475 | * Macro that given an attr e.g. | |
1476 | * hba_queue_depth expands into a function with the name | |
1477 | * lpfc_hba_queue_depth_show | |
1478 | * | |
3621a710 | 1479 | * lpfc_##attr##_show: prints the attribute value in hexadecimal. |
e59058c4 JS |
1480 | * @dev: class device that is converted into a Scsi_host. |
1481 | * @attr: device attribute, not used. | |
3621a710 | 1482 | * @buf: on return contains the attribute value in hexadecimal. |
e59058c4 JS |
1483 | * |
1484 | * Returns: length of formatted string. | |
1485 | **/ | |
3de2a653 JS |
1486 | #define lpfc_vport_param_hex_show(attr) \ |
1487 | static ssize_t \ | |
ee959b00 TJ |
1488 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
1489 | char *buf) \ | |
3de2a653 | 1490 | { \ |
ee959b00 | 1491 | struct Scsi_Host *shost = class_to_shost(dev);\ |
3de2a653 | 1492 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
84d1b006 | 1493 | uint val = 0;\ |
3de2a653 JS |
1494 | val = vport->cfg_##attr;\ |
1495 | return snprintf(buf, PAGE_SIZE, "%#x\n", vport->cfg_##attr);\ | |
1496 | } | |
1497 | ||
e59058c4 | 1498 | /** |
3621a710 | 1499 | * lpfc_vport_param_init - Initialize a vport cfg attribute |
e59058c4 JS |
1500 | * |
1501 | * Description: | |
1502 | * Macro that given an attr e.g. hba_queue_depth expands | |
1503 | * into a function with the name lpfc_hba_queue_depth_init. The macro also | |
1504 | * takes a default argument, a minimum and maximum argument. | |
1505 | * | |
1506 | * lpfc_##attr##_init: validates the min and max values then sets the | |
1507 | * adapter config field accordingly, or uses the default if out of range | |
1508 | * and prints an error message. | |
1509 | * @phba: pointer the the adapter structure. | |
1510 | * @val: integer attribute value. | |
1511 | * | |
1512 | * Returns: | |
1513 | * zero on success | |
1514 | * -EINVAL if default used | |
1515 | **/ | |
3de2a653 JS |
1516 | #define lpfc_vport_param_init(attr, default, minval, maxval) \ |
1517 | static int \ | |
84d1b006 | 1518 | lpfc_##attr##_init(struct lpfc_vport *vport, uint val) \ |
3de2a653 JS |
1519 | { \ |
1520 | if (val >= minval && val <= maxval) {\ | |
1521 | vport->cfg_##attr = val;\ | |
1522 | return 0;\ | |
1523 | }\ | |
e8b62011 | 1524 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \ |
d7c255b2 | 1525 | "0423 lpfc_"#attr" attribute cannot be set to %d, "\ |
e8b62011 | 1526 | "allowed range is ["#minval", "#maxval"]\n", val); \ |
3de2a653 JS |
1527 | vport->cfg_##attr = default;\ |
1528 | return -EINVAL;\ | |
1529 | } | |
1530 | ||
e59058c4 | 1531 | /** |
3621a710 | 1532 | * lpfc_vport_param_set - Set a vport cfg attribute |
e59058c4 JS |
1533 | * |
1534 | * Description: | |
1535 | * Macro that given an attr e.g. hba_queue_depth expands | |
1536 | * into a function with the name lpfc_hba_queue_depth_set | |
1537 | * | |
1538 | * lpfc_##attr##_set: validates the min and max values then sets the | |
1539 | * adapter config field if in the valid range. prints error message | |
1540 | * and does not set the parameter if invalid. | |
1541 | * @phba: pointer the the adapter structure. | |
1542 | * @val: integer attribute value. | |
1543 | * | |
1544 | * Returns: | |
1545 | * zero on success | |
1546 | * -EINVAL if val is invalid | |
1547 | **/ | |
3de2a653 JS |
1548 | #define lpfc_vport_param_set(attr, default, minval, maxval) \ |
1549 | static int \ | |
84d1b006 | 1550 | lpfc_##attr##_set(struct lpfc_vport *vport, uint val) \ |
3de2a653 JS |
1551 | { \ |
1552 | if (val >= minval && val <= maxval) {\ | |
1553 | vport->cfg_##attr = val;\ | |
1554 | return 0;\ | |
1555 | }\ | |
e8b62011 | 1556 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \ |
d7c255b2 | 1557 | "0424 lpfc_"#attr" attribute cannot be set to %d, "\ |
e8b62011 | 1558 | "allowed range is ["#minval", "#maxval"]\n", val); \ |
3de2a653 JS |
1559 | return -EINVAL;\ |
1560 | } | |
1561 | ||
e59058c4 | 1562 | /** |
3621a710 | 1563 | * lpfc_vport_param_store - Set a vport attribute |
e59058c4 JS |
1564 | * |
1565 | * Description: | |
1566 | * Macro that given an attr e.g. hba_queue_depth | |
1567 | * expands into a function with the name lpfc_hba_queue_depth_store | |
1568 | * | |
1569 | * lpfc_##attr##_store: convert the ascii text number to an integer, then | |
1570 | * use the lpfc_##attr##_set function to set the value. | |
1571 | * @cdev: class device that is converted into a Scsi_host. | |
1572 | * @buf: contains the attribute value in decimal. | |
1573 | * @count: not used. | |
1574 | * | |
1575 | * Returns: | |
1576 | * -EINVAL if val is invalid or lpfc_##attr##_set() fails | |
1577 | * length of buffer upon success. | |
1578 | **/ | |
3de2a653 JS |
1579 | #define lpfc_vport_param_store(attr) \ |
1580 | static ssize_t \ | |
ee959b00 TJ |
1581 | lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \ |
1582 | const char *buf, size_t count) \ | |
3de2a653 | 1583 | { \ |
ee959b00 | 1584 | struct Scsi_Host *shost = class_to_shost(dev);\ |
3de2a653 | 1585 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
84d1b006 | 1586 | uint val = 0;\ |
3de2a653 JS |
1587 | if (!isdigit(buf[0]))\ |
1588 | return -EINVAL;\ | |
1589 | if (sscanf(buf, "%i", &val) != 1)\ | |
1590 | return -EINVAL;\ | |
1591 | if (lpfc_##attr##_set(vport, val) == 0) \ | |
1592 | return strlen(buf);\ | |
1593 | else \ | |
1594 | return -EINVAL;\ | |
1595 | } | |
1596 | ||
1597 | ||
7bcbb752 | 1598 | #define LPFC_ATTR(name, defval, minval, maxval, desc) \ |
84d1b006 JS |
1599 | static uint lpfc_##name = defval;\ |
1600 | module_param(lpfc_##name, uint, 0);\ | |
dea3101e | 1601 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
7bcbb752 | 1602 | lpfc_param_init(name, defval, minval, maxval) |
dea3101e | 1603 | |
1604 | #define LPFC_ATTR_R(name, defval, minval, maxval, desc) \ | |
84d1b006 JS |
1605 | static uint lpfc_##name = defval;\ |
1606 | module_param(lpfc_##name, uint, 0);\ | |
dea3101e | 1607 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1608 | lpfc_param_show(name)\ | |
7bcbb752 | 1609 | lpfc_param_init(name, defval, minval, maxval)\ |
ee959b00 | 1610 | static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
dea3101e | 1611 | |
1612 | #define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \ | |
84d1b006 JS |
1613 | static uint lpfc_##name = defval;\ |
1614 | module_param(lpfc_##name, uint, 0);\ | |
dea3101e | 1615 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1616 | lpfc_param_show(name)\ | |
7bcbb752 JSEC |
1617 | lpfc_param_init(name, defval, minval, maxval)\ |
1618 | lpfc_param_set(name, defval, minval, maxval)\ | |
1619 | lpfc_param_store(name)\ | |
ee959b00 TJ |
1620 | static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
1621 | lpfc_##name##_show, lpfc_##name##_store) | |
dea3101e | 1622 | |
93a20f74 | 1623 | #define LPFC_ATTR_HEX_R(name, defval, minval, maxval, desc) \ |
84d1b006 JS |
1624 | static uint lpfc_##name = defval;\ |
1625 | module_param(lpfc_##name, uint, 0);\ | |
93a20f74 JSEC |
1626 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1627 | lpfc_param_hex_show(name)\ | |
1628 | lpfc_param_init(name, defval, minval, maxval)\ | |
ee959b00 | 1629 | static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
93a20f74 JSEC |
1630 | |
1631 | #define LPFC_ATTR_HEX_RW(name, defval, minval, maxval, desc) \ | |
84d1b006 JS |
1632 | static uint lpfc_##name = defval;\ |
1633 | module_param(lpfc_##name, uint, 0);\ | |
93a20f74 JSEC |
1634 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1635 | lpfc_param_hex_show(name)\ | |
1636 | lpfc_param_init(name, defval, minval, maxval)\ | |
1637 | lpfc_param_set(name, defval, minval, maxval)\ | |
1638 | lpfc_param_store(name)\ | |
ee959b00 TJ |
1639 | static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
1640 | lpfc_##name##_show, lpfc_##name##_store) | |
93a20f74 | 1641 | |
3de2a653 | 1642 | #define LPFC_VPORT_ATTR(name, defval, minval, maxval, desc) \ |
84d1b006 JS |
1643 | static uint lpfc_##name = defval;\ |
1644 | module_param(lpfc_##name, uint, 0);\ | |
3de2a653 JS |
1645 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1646 | lpfc_vport_param_init(name, defval, minval, maxval) | |
1647 | ||
1648 | #define LPFC_VPORT_ATTR_R(name, defval, minval, maxval, desc) \ | |
84d1b006 JS |
1649 | static uint lpfc_##name = defval;\ |
1650 | module_param(lpfc_##name, uint, 0);\ | |
3de2a653 JS |
1651 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1652 | lpfc_vport_param_show(name)\ | |
1653 | lpfc_vport_param_init(name, defval, minval, maxval)\ | |
ee959b00 | 1654 | static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
3de2a653 JS |
1655 | |
1656 | #define LPFC_VPORT_ATTR_RW(name, defval, minval, maxval, desc) \ | |
84d1b006 JS |
1657 | static uint lpfc_##name = defval;\ |
1658 | module_param(lpfc_##name, uint, 0);\ | |
3de2a653 JS |
1659 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1660 | lpfc_vport_param_show(name)\ | |
1661 | lpfc_vport_param_init(name, defval, minval, maxval)\ | |
1662 | lpfc_vport_param_set(name, defval, minval, maxval)\ | |
1663 | lpfc_vport_param_store(name)\ | |
ee959b00 TJ |
1664 | static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
1665 | lpfc_##name##_show, lpfc_##name##_store) | |
3de2a653 JS |
1666 | |
1667 | #define LPFC_VPORT_ATTR_HEX_R(name, defval, minval, maxval, desc) \ | |
84d1b006 JS |
1668 | static uint lpfc_##name = defval;\ |
1669 | module_param(lpfc_##name, uint, 0);\ | |
3de2a653 JS |
1670 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1671 | lpfc_vport_param_hex_show(name)\ | |
1672 | lpfc_vport_param_init(name, defval, minval, maxval)\ | |
ee959b00 | 1673 | static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
3de2a653 JS |
1674 | |
1675 | #define LPFC_VPORT_ATTR_HEX_RW(name, defval, minval, maxval, desc) \ | |
84d1b006 JS |
1676 | static uint lpfc_##name = defval;\ |
1677 | module_param(lpfc_##name, uint, 0);\ | |
3de2a653 JS |
1678 | MODULE_PARM_DESC(lpfc_##name, desc);\ |
1679 | lpfc_vport_param_hex_show(name)\ | |
1680 | lpfc_vport_param_init(name, defval, minval, maxval)\ | |
1681 | lpfc_vport_param_set(name, defval, minval, maxval)\ | |
1682 | lpfc_vport_param_store(name)\ | |
ee959b00 TJ |
1683 | static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
1684 | lpfc_##name##_show, lpfc_##name##_store) | |
1685 | ||
81301a9b JS |
1686 | static DEVICE_ATTR(bg_info, S_IRUGO, lpfc_bg_info_show, NULL); |
1687 | static DEVICE_ATTR(bg_guard_err, S_IRUGO, lpfc_bg_guard_err_show, NULL); | |
1688 | static DEVICE_ATTR(bg_apptag_err, S_IRUGO, lpfc_bg_apptag_err_show, NULL); | |
1689 | static DEVICE_ATTR(bg_reftag_err, S_IRUGO, lpfc_bg_reftag_err_show, NULL); | |
ee959b00 TJ |
1690 | static DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL); |
1691 | static DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL); | |
1692 | static DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL); | |
1693 | static DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL); | |
1694 | static DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL); | |
1695 | static DEVICE_ATTR(portnum, S_IRUGO, lpfc_vportnum_show, NULL); | |
1696 | static DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL); | |
1697 | static DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL); | |
84d1b006 JS |
1698 | static DEVICE_ATTR(link_state, S_IRUGO | S_IWUSR, lpfc_link_state_show, |
1699 | lpfc_link_state_store); | |
ee959b00 TJ |
1700 | static DEVICE_ATTR(option_rom_version, S_IRUGO, |
1701 | lpfc_option_rom_version_show, NULL); | |
1702 | static DEVICE_ATTR(num_discovered_ports, S_IRUGO, | |
1703 | lpfc_num_discovered_ports_show, NULL); | |
84774a4d | 1704 | static DEVICE_ATTR(menlo_mgmt_mode, S_IRUGO, lpfc_mlomgmt_show, NULL); |
ee959b00 TJ |
1705 | static DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL); |
1706 | static DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show, NULL); | |
45ed1190 | 1707 | static DEVICE_ATTR(lpfc_enable_fip, S_IRUGO, lpfc_enable_fip_show, NULL); |
ee959b00 TJ |
1708 | static DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR, |
1709 | lpfc_board_mode_show, lpfc_board_mode_store); | |
1710 | static DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset); | |
1711 | static DEVICE_ATTR(max_vpi, S_IRUGO, lpfc_max_vpi_show, NULL); | |
1712 | static DEVICE_ATTR(used_vpi, S_IRUGO, lpfc_used_vpi_show, NULL); | |
1713 | static DEVICE_ATTR(max_rpi, S_IRUGO, lpfc_max_rpi_show, NULL); | |
1714 | static DEVICE_ATTR(used_rpi, S_IRUGO, lpfc_used_rpi_show, NULL); | |
1715 | static DEVICE_ATTR(max_xri, S_IRUGO, lpfc_max_xri_show, NULL); | |
1716 | static DEVICE_ATTR(used_xri, S_IRUGO, lpfc_used_xri_show, NULL); | |
1717 | static DEVICE_ATTR(npiv_info, S_IRUGO, lpfc_npiv_info_show, NULL); | |
1718 | static DEVICE_ATTR(lpfc_temp_sensor, S_IRUGO, lpfc_temp_sensor_show, NULL); | |
bc73905a JS |
1719 | static DEVICE_ATTR(lpfc_fips_level, S_IRUGO, lpfc_fips_level_show, NULL); |
1720 | static DEVICE_ATTR(lpfc_fips_rev, S_IRUGO, lpfc_fips_rev_show, NULL); | |
dea3101e | 1721 | |
c3f28afa | 1722 | |
a12e07bc | 1723 | static char *lpfc_soft_wwn_key = "C99G71SL8032A"; |
c3f28afa | 1724 | |
e59058c4 | 1725 | /** |
3621a710 | 1726 | * lpfc_soft_wwn_enable_store - Allows setting of the wwn if the key is valid |
e59058c4 JS |
1727 | * @dev: class device that is converted into a Scsi_host. |
1728 | * @attr: device attribute, not used. | |
1729 | * @buf: containing the string lpfc_soft_wwn_key. | |
1730 | * @count: must be size of lpfc_soft_wwn_key. | |
1731 | * | |
1732 | * Returns: | |
1733 | * -EINVAL if the buffer does not contain lpfc_soft_wwn_key | |
1734 | * length of buf indicates success | |
1735 | **/ | |
c3f28afa | 1736 | static ssize_t |
ee959b00 TJ |
1737 | lpfc_soft_wwn_enable_store(struct device *dev, struct device_attribute *attr, |
1738 | const char *buf, size_t count) | |
c3f28afa | 1739 | { |
ee959b00 | 1740 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1741 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1742 | struct lpfc_hba *phba = vport->phba; | |
c3f28afa JS |
1743 | unsigned int cnt = count; |
1744 | ||
1745 | /* | |
1746 | * We're doing a simple sanity check for soft_wwpn setting. | |
1747 | * We require that the user write a specific key to enable | |
1748 | * the soft_wwpn attribute to be settable. Once the attribute | |
1749 | * is written, the enable key resets. If further updates are | |
1750 | * desired, the key must be written again to re-enable the | |
1751 | * attribute. | |
1752 | * | |
1753 | * The "key" is not secret - it is a hardcoded string shown | |
1754 | * here. The intent is to protect against the random user or | |
1755 | * application that is just writing attributes. | |
1756 | */ | |
1757 | ||
1758 | /* count may include a LF at end of string */ | |
1759 | if (buf[cnt-1] == '\n') | |
1760 | cnt--; | |
1761 | ||
a12e07bc JS |
1762 | if ((cnt != strlen(lpfc_soft_wwn_key)) || |
1763 | (strncmp(buf, lpfc_soft_wwn_key, strlen(lpfc_soft_wwn_key)) != 0)) | |
c3f28afa JS |
1764 | return -EINVAL; |
1765 | ||
a12e07bc | 1766 | phba->soft_wwn_enable = 1; |
c3f28afa JS |
1767 | return count; |
1768 | } | |
ee959b00 TJ |
1769 | static DEVICE_ATTR(lpfc_soft_wwn_enable, S_IWUSR, NULL, |
1770 | lpfc_soft_wwn_enable_store); | |
c3f28afa | 1771 | |
e59058c4 | 1772 | /** |
3621a710 | 1773 | * lpfc_soft_wwpn_show - Return the cfg soft ww port name of the adapter |
e59058c4 JS |
1774 | * @dev: class device that is converted into a Scsi_host. |
1775 | * @attr: device attribute, not used. | |
3621a710 | 1776 | * @buf: on return contains the wwpn in hexadecimal. |
e59058c4 JS |
1777 | * |
1778 | * Returns: size of formatted string. | |
1779 | **/ | |
c3f28afa | 1780 | static ssize_t |
ee959b00 TJ |
1781 | lpfc_soft_wwpn_show(struct device *dev, struct device_attribute *attr, |
1782 | char *buf) | |
c3f28afa | 1783 | { |
ee959b00 | 1784 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1785 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1786 | struct lpfc_hba *phba = vport->phba; | |
1787 | ||
afc071e6 RD |
1788 | return snprintf(buf, PAGE_SIZE, "0x%llx\n", |
1789 | (unsigned long long)phba->cfg_soft_wwpn); | |
c3f28afa JS |
1790 | } |
1791 | ||
e59058c4 | 1792 | /** |
3621a710 | 1793 | * lpfc_soft_wwpn_store - Set the ww port name of the adapter |
e59058c4 JS |
1794 | * @dev class device that is converted into a Scsi_host. |
1795 | * @attr: device attribute, not used. | |
3621a710 | 1796 | * @buf: contains the wwpn in hexadecimal. |
e59058c4 JS |
1797 | * @count: number of wwpn bytes in buf |
1798 | * | |
1799 | * Returns: | |
1800 | * -EACCES hba reset not enabled, adapter over temp | |
1801 | * -EINVAL soft wwn not enabled, count is invalid, invalid wwpn byte invalid | |
1802 | * -EIO error taking adapter offline or online | |
1803 | * value of count on success | |
1804 | **/ | |
c3f28afa | 1805 | static ssize_t |
ee959b00 TJ |
1806 | lpfc_soft_wwpn_store(struct device *dev, struct device_attribute *attr, |
1807 | const char *buf, size_t count) | |
c3f28afa | 1808 | { |
ee959b00 | 1809 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1810 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1811 | struct lpfc_hba *phba = vport->phba; | |
c3f28afa JS |
1812 | struct completion online_compl; |
1813 | int stat1=0, stat2=0; | |
1814 | unsigned int i, j, cnt=count; | |
1815 | u8 wwpn[8]; | |
1816 | ||
13815c83 JS |
1817 | if (!phba->cfg_enable_hba_reset) |
1818 | return -EACCES; | |
7af67051 JS |
1819 | spin_lock_irq(&phba->hbalock); |
1820 | if (phba->over_temp_state == HBA_OVER_TEMP) { | |
1821 | spin_unlock_irq(&phba->hbalock); | |
09372820 | 1822 | return -EACCES; |
7af67051 JS |
1823 | } |
1824 | spin_unlock_irq(&phba->hbalock); | |
c3f28afa JS |
1825 | /* count may include a LF at end of string */ |
1826 | if (buf[cnt-1] == '\n') | |
1827 | cnt--; | |
1828 | ||
a12e07bc | 1829 | if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) || |
c3f28afa JS |
1830 | ((cnt == 17) && (*buf++ != 'x')) || |
1831 | ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x')))) | |
1832 | return -EINVAL; | |
1833 | ||
a12e07bc | 1834 | phba->soft_wwn_enable = 0; |
c3f28afa JS |
1835 | |
1836 | memset(wwpn, 0, sizeof(wwpn)); | |
1837 | ||
1838 | /* Validate and store the new name */ | |
1839 | for (i=0, j=0; i < 16; i++) { | |
ecc30990 AS |
1840 | int value; |
1841 | ||
1842 | value = hex_to_bin(*buf++); | |
1843 | if (value >= 0) | |
1844 | j = (j << 4) | value; | |
c3f28afa JS |
1845 | else |
1846 | return -EINVAL; | |
1847 | if (i % 2) { | |
1848 | wwpn[i/2] = j & 0xff; | |
1849 | j = 0; | |
1850 | } | |
1851 | } | |
1852 | phba->cfg_soft_wwpn = wwn_to_u64(wwpn); | |
2e0fef85 | 1853 | fc_host_port_name(shost) = phba->cfg_soft_wwpn; |
a12e07bc | 1854 | if (phba->cfg_soft_wwnn) |
2e0fef85 | 1855 | fc_host_node_name(shost) = phba->cfg_soft_wwnn; |
c3f28afa JS |
1856 | |
1857 | dev_printk(KERN_NOTICE, &phba->pcidev->dev, | |
1858 | "lpfc%d: Reinitializing to use soft_wwpn\n", phba->brd_no); | |
1859 | ||
46fa311e | 1860 | stat1 = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); |
c3f28afa JS |
1861 | if (stat1) |
1862 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
e8b62011 JS |
1863 | "0463 lpfc_soft_wwpn attribute set failed to " |
1864 | "reinit adapter - %d\n", stat1); | |
c3f28afa JS |
1865 | init_completion(&online_compl); |
1866 | lpfc_workq_post_event(phba, &stat2, &online_compl, LPFC_EVT_ONLINE); | |
1867 | wait_for_completion(&online_compl); | |
1868 | if (stat2) | |
1869 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
e8b62011 JS |
1870 | "0464 lpfc_soft_wwpn attribute set failed to " |
1871 | "reinit adapter - %d\n", stat2); | |
c3f28afa JS |
1872 | return (stat1 || stat2) ? -EIO : count; |
1873 | } | |
ee959b00 TJ |
1874 | static DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR,\ |
1875 | lpfc_soft_wwpn_show, lpfc_soft_wwpn_store); | |
c3f28afa | 1876 | |
e59058c4 | 1877 | /** |
3621a710 | 1878 | * lpfc_soft_wwnn_show - Return the cfg soft ww node name for the adapter |
e59058c4 JS |
1879 | * @dev: class device that is converted into a Scsi_host. |
1880 | * @attr: device attribute, not used. | |
3621a710 | 1881 | * @buf: on return contains the wwnn in hexadecimal. |
e59058c4 JS |
1882 | * |
1883 | * Returns: size of formatted string. | |
1884 | **/ | |
a12e07bc | 1885 | static ssize_t |
ee959b00 TJ |
1886 | lpfc_soft_wwnn_show(struct device *dev, struct device_attribute *attr, |
1887 | char *buf) | |
a12e07bc | 1888 | { |
ee959b00 | 1889 | struct Scsi_Host *shost = class_to_shost(dev); |
51ef4c26 | 1890 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; |
a12e07bc JS |
1891 | return snprintf(buf, PAGE_SIZE, "0x%llx\n", |
1892 | (unsigned long long)phba->cfg_soft_wwnn); | |
1893 | } | |
1894 | ||
e59058c4 | 1895 | /** |
3621a710 | 1896 | * lpfc_soft_wwnn_store - sets the ww node name of the adapter |
e59058c4 | 1897 | * @cdev: class device that is converted into a Scsi_host. |
3621a710 | 1898 | * @buf: contains the ww node name in hexadecimal. |
e59058c4 JS |
1899 | * @count: number of wwnn bytes in buf. |
1900 | * | |
1901 | * Returns: | |
1902 | * -EINVAL soft wwn not enabled, count is invalid, invalid wwnn byte invalid | |
1903 | * value of count on success | |
1904 | **/ | |
a12e07bc | 1905 | static ssize_t |
ee959b00 TJ |
1906 | lpfc_soft_wwnn_store(struct device *dev, struct device_attribute *attr, |
1907 | const char *buf, size_t count) | |
a12e07bc | 1908 | { |
ee959b00 | 1909 | struct Scsi_Host *shost = class_to_shost(dev); |
51ef4c26 | 1910 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; |
a12e07bc JS |
1911 | unsigned int i, j, cnt=count; |
1912 | u8 wwnn[8]; | |
1913 | ||
1914 | /* count may include a LF at end of string */ | |
1915 | if (buf[cnt-1] == '\n') | |
1916 | cnt--; | |
1917 | ||
1918 | if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) || | |
1919 | ((cnt == 17) && (*buf++ != 'x')) || | |
1920 | ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x')))) | |
1921 | return -EINVAL; | |
1922 | ||
1923 | /* | |
1924 | * Allow wwnn to be set many times, as long as the enable is set. | |
1925 | * However, once the wwpn is set, everything locks. | |
1926 | */ | |
1927 | ||
1928 | memset(wwnn, 0, sizeof(wwnn)); | |
1929 | ||
1930 | /* Validate and store the new name */ | |
1931 | for (i=0, j=0; i < 16; i++) { | |
ecc30990 AS |
1932 | int value; |
1933 | ||
1934 | value = hex_to_bin(*buf++); | |
1935 | if (value >= 0) | |
1936 | j = (j << 4) | value; | |
a12e07bc JS |
1937 | else |
1938 | return -EINVAL; | |
1939 | if (i % 2) { | |
1940 | wwnn[i/2] = j & 0xff; | |
1941 | j = 0; | |
1942 | } | |
1943 | } | |
1944 | phba->cfg_soft_wwnn = wwn_to_u64(wwnn); | |
1945 | ||
1946 | dev_printk(KERN_NOTICE, &phba->pcidev->dev, | |
1947 | "lpfc%d: soft_wwnn set. Value will take effect upon " | |
1948 | "setting of the soft_wwpn\n", phba->brd_no); | |
1949 | ||
1950 | return count; | |
1951 | } | |
ee959b00 TJ |
1952 | static DEVICE_ATTR(lpfc_soft_wwnn, S_IRUGO | S_IWUSR,\ |
1953 | lpfc_soft_wwnn_show, lpfc_soft_wwnn_store); | |
a12e07bc | 1954 | |
c3f28afa | 1955 | |
875fbdfe JSEC |
1956 | static int lpfc_poll = 0; |
1957 | module_param(lpfc_poll, int, 0); | |
1958 | MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:" | |
1959 | " 0 - none," | |
1960 | " 1 - poll with interrupts enabled" | |
1961 | " 3 - poll and disable FCP ring interrupts"); | |
1962 | ||
ee959b00 TJ |
1963 | static DEVICE_ATTR(lpfc_poll, S_IRUGO | S_IWUSR, |
1964 | lpfc_poll_show, lpfc_poll_store); | |
dea3101e | 1965 | |
92d7f7b0 JS |
1966 | int lpfc_sli_mode = 0; |
1967 | module_param(lpfc_sli_mode, int, 0); | |
1968 | MODULE_PARM_DESC(lpfc_sli_mode, "SLI mode selector:" | |
1969 | " 0 - auto (SLI-3 if supported)," | |
1970 | " 2 - select SLI-2 even on SLI-3 capable HBAs," | |
1971 | " 3 - select SLI-3"); | |
1972 | ||
15672319 | 1973 | int lpfc_enable_npiv = 1; |
7ee5d43e JS |
1974 | module_param(lpfc_enable_npiv, int, 0); |
1975 | MODULE_PARM_DESC(lpfc_enable_npiv, "Enable NPIV functionality"); | |
1976 | lpfc_param_show(enable_npiv); | |
4b40c59e | 1977 | lpfc_param_init(enable_npiv, 1, 0, 1); |
15672319 | 1978 | static DEVICE_ATTR(lpfc_enable_npiv, S_IRUGO, lpfc_enable_npiv_show, NULL); |
92d7f7b0 | 1979 | |
19ca7609 JS |
1980 | int lpfc_enable_rrq; |
1981 | module_param(lpfc_enable_rrq, int, 0); | |
1982 | MODULE_PARM_DESC(lpfc_enable_rrq, "Enable RRQ functionality"); | |
1983 | lpfc_param_show(enable_rrq); | |
1984 | lpfc_param_init(enable_rrq, 0, 0, 1); | |
1985 | static DEVICE_ATTR(lpfc_enable_rrq, S_IRUGO, lpfc_enable_rrq_show, NULL); | |
1986 | ||
84d1b006 JS |
1987 | /* |
1988 | # lpfc_suppress_link_up: Bring link up at initialization | |
1989 | # 0x0 = bring link up (issue MBX_INIT_LINK) | |
1990 | # 0x1 = do NOT bring link up at initialization(MBX_INIT_LINK) | |
1991 | # 0x2 = never bring up link | |
1992 | # Default value is 0. | |
1993 | */ | |
e40a02c1 JS |
1994 | LPFC_ATTR_R(suppress_link_up, LPFC_INITIALIZE_LINK, LPFC_INITIALIZE_LINK, |
1995 | LPFC_DELAY_INIT_LINK_INDEFINITELY, | |
1996 | "Suppress Link Up at initialization"); | |
2a9bf3d0 JS |
1997 | /* |
1998 | # lpfc_cnt: Number of IOCBs allocated for ELS, CT, and ABTS | |
1999 | # 1 - (1024) | |
2000 | # 2 - (2048) | |
2001 | # 3 - (3072) | |
2002 | # 4 - (4096) | |
2003 | # 5 - (5120) | |
2004 | */ | |
2005 | static ssize_t | |
2006 | lpfc_iocb_hw_show(struct device *dev, struct device_attribute *attr, char *buf) | |
2007 | { | |
2008 | struct Scsi_Host *shost = class_to_shost(dev); | |
2009 | struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba; | |
2010 | ||
2011 | return snprintf(buf, PAGE_SIZE, "%d\n", phba->iocb_max); | |
2012 | } | |
2013 | ||
2014 | static DEVICE_ATTR(iocb_hw, S_IRUGO, | |
2015 | lpfc_iocb_hw_show, NULL); | |
2016 | static ssize_t | |
2017 | lpfc_txq_hw_show(struct device *dev, struct device_attribute *attr, char *buf) | |
2018 | { | |
2019 | struct Scsi_Host *shost = class_to_shost(dev); | |
2020 | struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba; | |
2021 | ||
2022 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
2023 | phba->sli.ring[LPFC_ELS_RING].txq_max); | |
2024 | } | |
2025 | ||
2026 | static DEVICE_ATTR(txq_hw, S_IRUGO, | |
2027 | lpfc_txq_hw_show, NULL); | |
2028 | static ssize_t | |
2029 | lpfc_txcmplq_hw_show(struct device *dev, struct device_attribute *attr, | |
2030 | char *buf) | |
2031 | { | |
2032 | struct Scsi_Host *shost = class_to_shost(dev); | |
2033 | struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba; | |
2034 | ||
2035 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
2036 | phba->sli.ring[LPFC_ELS_RING].txcmplq_max); | |
2037 | } | |
2038 | ||
2039 | static DEVICE_ATTR(txcmplq_hw, S_IRUGO, | |
2040 | lpfc_txcmplq_hw_show, NULL); | |
2041 | ||
2042 | int lpfc_iocb_cnt = 2; | |
2043 | module_param(lpfc_iocb_cnt, int, 1); | |
2044 | MODULE_PARM_DESC(lpfc_iocb_cnt, | |
2045 | "Number of IOCBs alloc for ELS, CT, and ABTS: 1k to 5k IOCBs"); | |
2046 | lpfc_param_show(iocb_cnt); | |
2047 | lpfc_param_init(iocb_cnt, 2, 1, 5); | |
2048 | static DEVICE_ATTR(lpfc_iocb_cnt, S_IRUGO, | |
2049 | lpfc_iocb_cnt_show, NULL); | |
84d1b006 | 2050 | |
c01f3208 JS |
2051 | /* |
2052 | # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear | |
2053 | # until the timer expires. Value range is [0,255]. Default value is 30. | |
2054 | */ | |
2055 | static int lpfc_nodev_tmo = LPFC_DEF_DEVLOSS_TMO; | |
2056 | static int lpfc_devloss_tmo = LPFC_DEF_DEVLOSS_TMO; | |
2057 | module_param(lpfc_nodev_tmo, int, 0); | |
2058 | MODULE_PARM_DESC(lpfc_nodev_tmo, | |
2059 | "Seconds driver will hold I/O waiting " | |
2060 | "for a device to come back"); | |
e59058c4 JS |
2061 | |
2062 | /** | |
3621a710 | 2063 | * lpfc_nodev_tmo_show - Return the hba dev loss timeout value |
e59058c4 JS |
2064 | * @dev: class converted to a Scsi_host structure. |
2065 | * @attr: device attribute, not used. | |
2066 | * @buf: on return contains the dev loss timeout in decimal. | |
2067 | * | |
2068 | * Returns: size of formatted string. | |
2069 | **/ | |
c01f3208 | 2070 | static ssize_t |
ee959b00 TJ |
2071 | lpfc_nodev_tmo_show(struct device *dev, struct device_attribute *attr, |
2072 | char *buf) | |
c01f3208 | 2073 | { |
ee959b00 | 2074 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 | 2075 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
e40a02c1 | 2076 | |
3de2a653 | 2077 | return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_devloss_tmo); |
c01f3208 JS |
2078 | } |
2079 | ||
e59058c4 | 2080 | /** |
3621a710 | 2081 | * lpfc_nodev_tmo_init - Set the hba nodev timeout value |
e59058c4 JS |
2082 | * @vport: lpfc vport structure pointer. |
2083 | * @val: contains the nodev timeout value. | |
2084 | * | |
2085 | * Description: | |
2086 | * If the devloss tmo is already set then nodev tmo is set to devloss tmo, | |
2087 | * a kernel error message is printed and zero is returned. | |
2088 | * Else if val is in range then nodev tmo and devloss tmo are set to val. | |
2089 | * Otherwise nodev tmo is set to the default value. | |
2090 | * | |
2091 | * Returns: | |
2092 | * zero if already set or if val is in range | |
2093 | * -EINVAL val out of range | |
2094 | **/ | |
c01f3208 | 2095 | static int |
3de2a653 JS |
2096 | lpfc_nodev_tmo_init(struct lpfc_vport *vport, int val) |
2097 | { | |
2098 | if (vport->cfg_devloss_tmo != LPFC_DEF_DEVLOSS_TMO) { | |
2099 | vport->cfg_nodev_tmo = vport->cfg_devloss_tmo; | |
2100 | if (val != LPFC_DEF_DEVLOSS_TMO) | |
e8b62011 | 2101 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 2102 | "0407 Ignoring nodev_tmo module " |
e8b62011 JS |
2103 | "parameter because devloss_tmo is " |
2104 | "set.\n"); | |
c01f3208 JS |
2105 | return 0; |
2106 | } | |
2107 | ||
2108 | if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { | |
3de2a653 JS |
2109 | vport->cfg_nodev_tmo = val; |
2110 | vport->cfg_devloss_tmo = val; | |
c01f3208 JS |
2111 | return 0; |
2112 | } | |
e8b62011 JS |
2113 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
2114 | "0400 lpfc_nodev_tmo attribute cannot be set to" | |
2115 | " %d, allowed range is [%d, %d]\n", | |
2116 | val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO); | |
3de2a653 | 2117 | vport->cfg_nodev_tmo = LPFC_DEF_DEVLOSS_TMO; |
c01f3208 JS |
2118 | return -EINVAL; |
2119 | } | |
2120 | ||
e59058c4 | 2121 | /** |
3621a710 | 2122 | * lpfc_update_rport_devloss_tmo - Update dev loss tmo value |
e59058c4 JS |
2123 | * @vport: lpfc vport structure pointer. |
2124 | * | |
2125 | * Description: | |
2126 | * Update all the ndlp's dev loss tmo with the vport devloss tmo value. | |
2127 | **/ | |
7054a606 | 2128 | static void |
3de2a653 | 2129 | lpfc_update_rport_devloss_tmo(struct lpfc_vport *vport) |
7054a606 | 2130 | { |
858c9f6c | 2131 | struct Scsi_Host *shost; |
7054a606 JS |
2132 | struct lpfc_nodelist *ndlp; |
2133 | ||
51ef4c26 JS |
2134 | shost = lpfc_shost_from_vport(vport); |
2135 | spin_lock_irq(shost->host_lock); | |
2136 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) | |
e47c9093 | 2137 | if (NLP_CHK_NODE_ACT(ndlp) && ndlp->rport) |
51ef4c26 JS |
2138 | ndlp->rport->dev_loss_tmo = vport->cfg_devloss_tmo; |
2139 | spin_unlock_irq(shost->host_lock); | |
7054a606 JS |
2140 | } |
2141 | ||
e59058c4 | 2142 | /** |
3621a710 | 2143 | * lpfc_nodev_tmo_set - Set the vport nodev tmo and devloss tmo values |
e59058c4 JS |
2144 | * @vport: lpfc vport structure pointer. |
2145 | * @val: contains the tmo value. | |
2146 | * | |
2147 | * Description: | |
2148 | * If the devloss tmo is already set or the vport dev loss tmo has changed | |
2149 | * then a kernel error message is printed and zero is returned. | |
2150 | * Else if val is in range then nodev tmo and devloss tmo are set to val. | |
2151 | * Otherwise nodev tmo is set to the default value. | |
2152 | * | |
2153 | * Returns: | |
2154 | * zero if already set or if val is in range | |
2155 | * -EINVAL val out of range | |
2156 | **/ | |
c01f3208 | 2157 | static int |
3de2a653 | 2158 | lpfc_nodev_tmo_set(struct lpfc_vport *vport, int val) |
c01f3208 | 2159 | { |
3de2a653 JS |
2160 | if (vport->dev_loss_tmo_changed || |
2161 | (lpfc_devloss_tmo != LPFC_DEF_DEVLOSS_TMO)) { | |
e8b62011 JS |
2162 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
2163 | "0401 Ignoring change to nodev_tmo " | |
2164 | "because devloss_tmo is set.\n"); | |
c01f3208 JS |
2165 | return 0; |
2166 | } | |
c01f3208 | 2167 | if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { |
3de2a653 JS |
2168 | vport->cfg_nodev_tmo = val; |
2169 | vport->cfg_devloss_tmo = val; | |
0af5d708 MC |
2170 | /* |
2171 | * For compat: set the fc_host dev loss so new rports | |
2172 | * will get the value. | |
2173 | */ | |
2174 | fc_host_dev_loss_tmo(lpfc_shost_from_vport(vport)) = val; | |
3de2a653 | 2175 | lpfc_update_rport_devloss_tmo(vport); |
c01f3208 JS |
2176 | return 0; |
2177 | } | |
e8b62011 JS |
2178 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
2179 | "0403 lpfc_nodev_tmo attribute cannot be set to" | |
2180 | "%d, allowed range is [%d, %d]\n", | |
2181 | val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO); | |
c01f3208 JS |
2182 | return -EINVAL; |
2183 | } | |
2184 | ||
3de2a653 | 2185 | lpfc_vport_param_store(nodev_tmo) |
c01f3208 | 2186 | |
ee959b00 TJ |
2187 | static DEVICE_ATTR(lpfc_nodev_tmo, S_IRUGO | S_IWUSR, |
2188 | lpfc_nodev_tmo_show, lpfc_nodev_tmo_store); | |
c01f3208 JS |
2189 | |
2190 | /* | |
2191 | # lpfc_devloss_tmo: If set, it will hold all I/O errors on devices that | |
2192 | # disappear until the timer expires. Value range is [0,255]. Default | |
2193 | # value is 30. | |
2194 | */ | |
2195 | module_param(lpfc_devloss_tmo, int, 0); | |
2196 | MODULE_PARM_DESC(lpfc_devloss_tmo, | |
2197 | "Seconds driver will hold I/O waiting " | |
2198 | "for a device to come back"); | |
3de2a653 JS |
2199 | lpfc_vport_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO, |
2200 | LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO) | |
2201 | lpfc_vport_param_show(devloss_tmo) | |
e59058c4 JS |
2202 | |
2203 | /** | |
3621a710 | 2204 | * lpfc_devloss_tmo_set - Sets vport nodev tmo, devloss tmo values, changed bit |
e59058c4 JS |
2205 | * @vport: lpfc vport structure pointer. |
2206 | * @val: contains the tmo value. | |
2207 | * | |
2208 | * Description: | |
2209 | * If val is in a valid range then set the vport nodev tmo, | |
2210 | * devloss tmo, also set the vport dev loss tmo changed flag. | |
2211 | * Else a kernel error message is printed. | |
2212 | * | |
2213 | * Returns: | |
2214 | * zero if val is in range | |
2215 | * -EINVAL val out of range | |
2216 | **/ | |
c01f3208 | 2217 | static int |
3de2a653 | 2218 | lpfc_devloss_tmo_set(struct lpfc_vport *vport, int val) |
c01f3208 JS |
2219 | { |
2220 | if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { | |
3de2a653 JS |
2221 | vport->cfg_nodev_tmo = val; |
2222 | vport->cfg_devloss_tmo = val; | |
2223 | vport->dev_loss_tmo_changed = 1; | |
0af5d708 | 2224 | fc_host_dev_loss_tmo(lpfc_shost_from_vport(vport)) = val; |
3de2a653 | 2225 | lpfc_update_rport_devloss_tmo(vport); |
c01f3208 JS |
2226 | return 0; |
2227 | } | |
2228 | ||
e8b62011 JS |
2229 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
2230 | "0404 lpfc_devloss_tmo attribute cannot be set to" | |
2231 | " %d, allowed range is [%d, %d]\n", | |
2232 | val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO); | |
c01f3208 JS |
2233 | return -EINVAL; |
2234 | } | |
2235 | ||
3de2a653 | 2236 | lpfc_vport_param_store(devloss_tmo) |
ee959b00 TJ |
2237 | static DEVICE_ATTR(lpfc_devloss_tmo, S_IRUGO | S_IWUSR, |
2238 | lpfc_devloss_tmo_show, lpfc_devloss_tmo_store); | |
c01f3208 | 2239 | |
dea3101e | 2240 | /* |
2241 | # lpfc_log_verbose: Only turn this flag on if you are willing to risk being | |
2242 | # deluged with LOTS of information. | |
2243 | # You can set a bit mask to record specific types of verbose messages: | |
f4b4c68f | 2244 | # See lpfc_logmsh.h for definitions. |
dea3101e | 2245 | */ |
f4b4c68f | 2246 | LPFC_VPORT_ATTR_HEX_RW(log_verbose, 0x0, 0x0, 0xffffffff, |
e8b62011 | 2247 | "Verbose logging bit-mask"); |
dea3101e | 2248 | |
7ee5d43e JS |
2249 | /* |
2250 | # lpfc_enable_da_id: This turns on the DA_ID CT command that deregisters | |
2251 | # objects that have been registered with the nameserver after login. | |
2252 | */ | |
2253 | LPFC_VPORT_ATTR_R(enable_da_id, 0, 0, 1, | |
2254 | "Deregister nameserver objects before LOGO"); | |
2255 | ||
dea3101e | 2256 | /* |
2257 | # lun_queue_depth: This parameter is used to limit the number of outstanding | |
2258 | # commands per FCP LUN. Value range is [1,128]. Default value is 30. | |
2259 | */ | |
3de2a653 JS |
2260 | LPFC_VPORT_ATTR_R(lun_queue_depth, 30, 1, 128, |
2261 | "Max number of FCP commands we can queue to a specific LUN"); | |
dea3101e | 2262 | |
7dc517df JS |
2263 | /* |
2264 | # tgt_queue_depth: This parameter is used to limit the number of outstanding | |
2265 | # commands per target port. Value range is [10,65535]. Default value is 65535. | |
2266 | */ | |
2267 | LPFC_VPORT_ATTR_R(tgt_queue_depth, 65535, 10, 65535, | |
2268 | "Max number of FCP commands we can queue to a specific target port"); | |
2269 | ||
b28485ac JW |
2270 | /* |
2271 | # hba_queue_depth: This parameter is used to limit the number of outstanding | |
2272 | # commands per lpfc HBA. Value range is [32,8192]. If this parameter | |
2273 | # value is greater than the maximum number of exchanges supported by the HBA, | |
2274 | # then maximum number of exchanges supported by the HBA is used to determine | |
2275 | # the hba_queue_depth. | |
2276 | */ | |
2277 | LPFC_ATTR_R(hba_queue_depth, 8192, 32, 8192, | |
2278 | "Max number of FCP commands we can queue to a lpfc HBA"); | |
2279 | ||
92d7f7b0 JS |
2280 | /* |
2281 | # peer_port_login: This parameter allows/prevents logins | |
2282 | # between peer ports hosted on the same physical port. | |
2283 | # When this parameter is set 0 peer ports of same physical port | |
2284 | # are not allowed to login to each other. | |
2285 | # When this parameter is set 1 peer ports of same physical port | |
2286 | # are allowed to login to each other. | |
2287 | # Default value of this parameter is 0. | |
2288 | */ | |
3de2a653 JS |
2289 | LPFC_VPORT_ATTR_R(peer_port_login, 0, 0, 1, |
2290 | "Allow peer ports on the same physical port to login to each " | |
2291 | "other."); | |
92d7f7b0 JS |
2292 | |
2293 | /* | |
3de2a653 | 2294 | # restrict_login: This parameter allows/prevents logins |
92d7f7b0 JS |
2295 | # between Virtual Ports and remote initiators. |
2296 | # When this parameter is not set (0) Virtual Ports will accept PLOGIs from | |
2297 | # other initiators and will attempt to PLOGI all remote ports. | |
2298 | # When this parameter is set (1) Virtual Ports will reject PLOGIs from | |
2299 | # remote ports and will not attempt to PLOGI to other initiators. | |
2300 | # This parameter does not restrict to the physical port. | |
2301 | # This parameter does not restrict logins to Fabric resident remote ports. | |
2302 | # Default value of this parameter is 1. | |
2303 | */ | |
3de2a653 JS |
2304 | static int lpfc_restrict_login = 1; |
2305 | module_param(lpfc_restrict_login, int, 0); | |
2306 | MODULE_PARM_DESC(lpfc_restrict_login, | |
2307 | "Restrict virtual ports login to remote initiators."); | |
2308 | lpfc_vport_param_show(restrict_login); | |
2309 | ||
e59058c4 | 2310 | /** |
3621a710 | 2311 | * lpfc_restrict_login_init - Set the vport restrict login flag |
e59058c4 JS |
2312 | * @vport: lpfc vport structure pointer. |
2313 | * @val: contains the restrict login value. | |
2314 | * | |
2315 | * Description: | |
2316 | * If val is not in a valid range then log a kernel error message and set | |
2317 | * the vport restrict login to one. | |
2318 | * If the port type is physical clear the restrict login flag and return. | |
2319 | * Else set the restrict login flag to val. | |
2320 | * | |
2321 | * Returns: | |
2322 | * zero if val is in range | |
2323 | * -EINVAL val out of range | |
2324 | **/ | |
3de2a653 JS |
2325 | static int |
2326 | lpfc_restrict_login_init(struct lpfc_vport *vport, int val) | |
2327 | { | |
2328 | if (val < 0 || val > 1) { | |
e8b62011 | 2329 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 2330 | "0422 lpfc_restrict_login attribute cannot " |
e8b62011 JS |
2331 | "be set to %d, allowed range is [0, 1]\n", |
2332 | val); | |
3de2a653 JS |
2333 | vport->cfg_restrict_login = 1; |
2334 | return -EINVAL; | |
2335 | } | |
2336 | if (vport->port_type == LPFC_PHYSICAL_PORT) { | |
2337 | vport->cfg_restrict_login = 0; | |
2338 | return 0; | |
2339 | } | |
2340 | vport->cfg_restrict_login = val; | |
2341 | return 0; | |
2342 | } | |
2343 | ||
e59058c4 | 2344 | /** |
3621a710 | 2345 | * lpfc_restrict_login_set - Set the vport restrict login flag |
e59058c4 JS |
2346 | * @vport: lpfc vport structure pointer. |
2347 | * @val: contains the restrict login value. | |
2348 | * | |
2349 | * Description: | |
2350 | * If val is not in a valid range then log a kernel error message and set | |
2351 | * the vport restrict login to one. | |
2352 | * If the port type is physical and the val is not zero log a kernel | |
2353 | * error message, clear the restrict login flag and return zero. | |
2354 | * Else set the restrict login flag to val. | |
2355 | * | |
2356 | * Returns: | |
2357 | * zero if val is in range | |
2358 | * -EINVAL val out of range | |
2359 | **/ | |
3de2a653 JS |
2360 | static int |
2361 | lpfc_restrict_login_set(struct lpfc_vport *vport, int val) | |
2362 | { | |
2363 | if (val < 0 || val > 1) { | |
e8b62011 | 2364 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 2365 | "0425 lpfc_restrict_login attribute cannot " |
e8b62011 JS |
2366 | "be set to %d, allowed range is [0, 1]\n", |
2367 | val); | |
3de2a653 JS |
2368 | vport->cfg_restrict_login = 1; |
2369 | return -EINVAL; | |
2370 | } | |
2371 | if (vport->port_type == LPFC_PHYSICAL_PORT && val != 0) { | |
e8b62011 JS |
2372 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
2373 | "0468 lpfc_restrict_login must be 0 for " | |
2374 | "Physical ports.\n"); | |
3de2a653 JS |
2375 | vport->cfg_restrict_login = 0; |
2376 | return 0; | |
2377 | } | |
2378 | vport->cfg_restrict_login = val; | |
2379 | return 0; | |
2380 | } | |
2381 | lpfc_vport_param_store(restrict_login); | |
ee959b00 TJ |
2382 | static DEVICE_ATTR(lpfc_restrict_login, S_IRUGO | S_IWUSR, |
2383 | lpfc_restrict_login_show, lpfc_restrict_login_store); | |
92d7f7b0 | 2384 | |
dea3101e | 2385 | /* |
2386 | # Some disk devices have a "select ID" or "select Target" capability. | |
2387 | # From a protocol standpoint "select ID" usually means select the | |
2388 | # Fibre channel "ALPA". In the FC-AL Profile there is an "informative | |
2389 | # annex" which contains a table that maps a "select ID" (a number | |
2390 | # between 0 and 7F) to an ALPA. By default, for compatibility with | |
2391 | # older drivers, the lpfc driver scans this table from low ALPA to high | |
2392 | # ALPA. | |
2393 | # | |
2394 | # Turning on the scan-down variable (on = 1, off = 0) will | |
2395 | # cause the lpfc driver to use an inverted table, effectively | |
2396 | # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1. | |
2397 | # | |
2398 | # (Note: This "select ID" functionality is a LOOP ONLY characteristic | |
2399 | # and will not work across a fabric. Also this parameter will take | |
2400 | # effect only in the case when ALPA map is not available.) | |
2401 | */ | |
3de2a653 JS |
2402 | LPFC_VPORT_ATTR_R(scan_down, 1, 0, 1, |
2403 | "Start scanning for devices from highest ALPA to lowest"); | |
dea3101e | 2404 | |
dea3101e | 2405 | /* |
2406 | # lpfc_topology: link topology for init link | |
2407 | # 0x0 = attempt loop mode then point-to-point | |
367c2713 | 2408 | # 0x01 = internal loopback mode |
dea3101e | 2409 | # 0x02 = attempt point-to-point mode only |
2410 | # 0x04 = attempt loop mode only | |
2411 | # 0x06 = attempt point-to-point mode then loop | |
2412 | # Set point-to-point mode if you want to run as an N_Port. | |
2413 | # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6]. | |
2414 | # Default value is 0. | |
2415 | */ | |
e59058c4 JS |
2416 | |
2417 | /** | |
3621a710 | 2418 | * lpfc_topology_set - Set the adapters topology field |
e59058c4 JS |
2419 | * @phba: lpfc_hba pointer. |
2420 | * @val: topology value. | |
2421 | * | |
2422 | * Description: | |
2423 | * If val is in a valid range then set the adapter's topology field and | |
2424 | * issue a lip; if the lip fails reset the topology to the old value. | |
2425 | * | |
2426 | * If the value is not in range log a kernel error message and return an error. | |
2427 | * | |
2428 | * Returns: | |
2429 | * zero if val is in range and lip okay | |
2430 | * non-zero return value from lpfc_issue_lip() | |
2431 | * -EINVAL val out of range | |
2432 | **/ | |
a257bf90 JS |
2433 | static ssize_t |
2434 | lpfc_topology_store(struct device *dev, struct device_attribute *attr, | |
2435 | const char *buf, size_t count) | |
83108bd3 | 2436 | { |
a257bf90 JS |
2437 | struct Scsi_Host *shost = class_to_shost(dev); |
2438 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2439 | struct lpfc_hba *phba = vport->phba; | |
2440 | int val = 0; | |
2441 | int nolip = 0; | |
2442 | const char *val_buf = buf; | |
83108bd3 JS |
2443 | int err; |
2444 | uint32_t prev_val; | |
a257bf90 JS |
2445 | |
2446 | if (!strncmp(buf, "nolip ", strlen("nolip "))) { | |
2447 | nolip = 1; | |
2448 | val_buf = &buf[strlen("nolip ")]; | |
2449 | } | |
2450 | ||
2451 | if (!isdigit(val_buf[0])) | |
2452 | return -EINVAL; | |
2453 | if (sscanf(val_buf, "%i", &val) != 1) | |
2454 | return -EINVAL; | |
2455 | ||
83108bd3 JS |
2456 | if (val >= 0 && val <= 6) { |
2457 | prev_val = phba->cfg_topology; | |
2458 | phba->cfg_topology = val; | |
a257bf90 JS |
2459 | if (nolip) |
2460 | return strlen(buf); | |
2461 | ||
83108bd3 | 2462 | err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport)); |
a257bf90 | 2463 | if (err) { |
83108bd3 | 2464 | phba->cfg_topology = prev_val; |
a257bf90 JS |
2465 | return -EINVAL; |
2466 | } else | |
2467 | return strlen(buf); | |
83108bd3 JS |
2468 | } |
2469 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2470 | "%d:0467 lpfc_topology attribute cannot be set to %d, " | |
2471 | "allowed range is [0, 6]\n", | |
2472 | phba->brd_no, val); | |
2473 | return -EINVAL; | |
2474 | } | |
2475 | static int lpfc_topology = 0; | |
2476 | module_param(lpfc_topology, int, 0); | |
2477 | MODULE_PARM_DESC(lpfc_topology, "Select Fibre Channel topology"); | |
2478 | lpfc_param_show(topology) | |
2479 | lpfc_param_init(topology, 0, 0, 6) | |
ee959b00 | 2480 | static DEVICE_ATTR(lpfc_topology, S_IRUGO | S_IWUSR, |
83108bd3 | 2481 | lpfc_topology_show, lpfc_topology_store); |
dea3101e | 2482 | |
21e9a0a5 JS |
2483 | /** |
2484 | * lpfc_static_vport_show: Read callback function for | |
2485 | * lpfc_static_vport sysfs file. | |
2486 | * @dev: Pointer to class device object. | |
2487 | * @attr: device attribute structure. | |
2488 | * @buf: Data buffer. | |
2489 | * | |
2490 | * This function is the read call back function for | |
2491 | * lpfc_static_vport sysfs file. The lpfc_static_vport | |
2492 | * sysfs file report the mageability of the vport. | |
2493 | **/ | |
2494 | static ssize_t | |
2495 | lpfc_static_vport_show(struct device *dev, struct device_attribute *attr, | |
2496 | char *buf) | |
2497 | { | |
2498 | struct Scsi_Host *shost = class_to_shost(dev); | |
2499 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2500 | if (vport->vport_flag & STATIC_VPORT) | |
2501 | sprintf(buf, "1\n"); | |
2502 | else | |
2503 | sprintf(buf, "0\n"); | |
2504 | ||
2505 | return strlen(buf); | |
2506 | } | |
2507 | ||
2508 | /* | |
2509 | * Sysfs attribute to control the statistical data collection. | |
2510 | */ | |
2511 | static DEVICE_ATTR(lpfc_static_vport, S_IRUGO, | |
2512 | lpfc_static_vport_show, NULL); | |
ea2151b4 JS |
2513 | |
2514 | /** | |
3621a710 | 2515 | * lpfc_stat_data_ctrl_store - write call back for lpfc_stat_data_ctrl sysfs file |
ea2151b4 JS |
2516 | * @dev: Pointer to class device. |
2517 | * @buf: Data buffer. | |
2518 | * @count: Size of the data buffer. | |
2519 | * | |
2520 | * This function get called when an user write to the lpfc_stat_data_ctrl | |
2521 | * sysfs file. This function parse the command written to the sysfs file | |
2522 | * and take appropriate action. These commands are used for controlling | |
2523 | * driver statistical data collection. | |
2524 | * Following are the command this function handles. | |
2525 | * | |
2526 | * setbucket <bucket_type> <base> <step> | |
2527 | * = Set the latency buckets. | |
2528 | * destroybucket = destroy all the buckets. | |
2529 | * start = start data collection | |
2530 | * stop = stop data collection | |
2531 | * reset = reset the collected data | |
2532 | **/ | |
2533 | static ssize_t | |
2534 | lpfc_stat_data_ctrl_store(struct device *dev, struct device_attribute *attr, | |
2535 | const char *buf, size_t count) | |
2536 | { | |
2537 | struct Scsi_Host *shost = class_to_shost(dev); | |
2538 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2539 | struct lpfc_hba *phba = vport->phba; | |
2540 | #define LPFC_MAX_DATA_CTRL_LEN 1024 | |
2541 | static char bucket_data[LPFC_MAX_DATA_CTRL_LEN]; | |
2542 | unsigned long i; | |
2543 | char *str_ptr, *token; | |
2544 | struct lpfc_vport **vports; | |
2545 | struct Scsi_Host *v_shost; | |
2546 | char *bucket_type_str, *base_str, *step_str; | |
2547 | unsigned long base, step, bucket_type; | |
2548 | ||
2549 | if (!strncmp(buf, "setbucket", strlen("setbucket"))) { | |
a257bf90 | 2550 | if (strlen(buf) > (LPFC_MAX_DATA_CTRL_LEN - 1)) |
ea2151b4 JS |
2551 | return -EINVAL; |
2552 | ||
2553 | strcpy(bucket_data, buf); | |
2554 | str_ptr = &bucket_data[0]; | |
2555 | /* Ignore this token - this is command token */ | |
2556 | token = strsep(&str_ptr, "\t "); | |
2557 | if (!token) | |
2558 | return -EINVAL; | |
2559 | ||
2560 | bucket_type_str = strsep(&str_ptr, "\t "); | |
2561 | if (!bucket_type_str) | |
2562 | return -EINVAL; | |
2563 | ||
2564 | if (!strncmp(bucket_type_str, "linear", strlen("linear"))) | |
2565 | bucket_type = LPFC_LINEAR_BUCKET; | |
2566 | else if (!strncmp(bucket_type_str, "power2", strlen("power2"))) | |
2567 | bucket_type = LPFC_POWER2_BUCKET; | |
2568 | else | |
2569 | return -EINVAL; | |
2570 | ||
2571 | base_str = strsep(&str_ptr, "\t "); | |
2572 | if (!base_str) | |
2573 | return -EINVAL; | |
2574 | base = simple_strtoul(base_str, NULL, 0); | |
2575 | ||
2576 | step_str = strsep(&str_ptr, "\t "); | |
2577 | if (!step_str) | |
2578 | return -EINVAL; | |
2579 | step = simple_strtoul(step_str, NULL, 0); | |
2580 | if (!step) | |
2581 | return -EINVAL; | |
2582 | ||
2583 | /* Block the data collection for every vport */ | |
2584 | vports = lpfc_create_vport_work_array(phba); | |
2585 | if (vports == NULL) | |
2586 | return -ENOMEM; | |
2587 | ||
f4b4c68f | 2588 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
ea2151b4 JS |
2589 | v_shost = lpfc_shost_from_vport(vports[i]); |
2590 | spin_lock_irq(v_shost->host_lock); | |
2591 | /* Block and reset data collection */ | |
2592 | vports[i]->stat_data_blocked = 1; | |
2593 | if (vports[i]->stat_data_enabled) | |
2594 | lpfc_vport_reset_stat_data(vports[i]); | |
2595 | spin_unlock_irq(v_shost->host_lock); | |
2596 | } | |
2597 | ||
2598 | /* Set the bucket attributes */ | |
2599 | phba->bucket_type = bucket_type; | |
2600 | phba->bucket_base = base; | |
2601 | phba->bucket_step = step; | |
2602 | ||
f4b4c68f | 2603 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
ea2151b4 JS |
2604 | v_shost = lpfc_shost_from_vport(vports[i]); |
2605 | ||
2606 | /* Unblock data collection */ | |
2607 | spin_lock_irq(v_shost->host_lock); | |
2608 | vports[i]->stat_data_blocked = 0; | |
2609 | spin_unlock_irq(v_shost->host_lock); | |
2610 | } | |
2611 | lpfc_destroy_vport_work_array(phba, vports); | |
2612 | return strlen(buf); | |
2613 | } | |
2614 | ||
2615 | if (!strncmp(buf, "destroybucket", strlen("destroybucket"))) { | |
2616 | vports = lpfc_create_vport_work_array(phba); | |
2617 | if (vports == NULL) | |
2618 | return -ENOMEM; | |
2619 | ||
f4b4c68f | 2620 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
ea2151b4 JS |
2621 | v_shost = lpfc_shost_from_vport(vports[i]); |
2622 | spin_lock_irq(shost->host_lock); | |
2623 | vports[i]->stat_data_blocked = 1; | |
2624 | lpfc_free_bucket(vport); | |
2625 | vport->stat_data_enabled = 0; | |
2626 | vports[i]->stat_data_blocked = 0; | |
2627 | spin_unlock_irq(shost->host_lock); | |
2628 | } | |
2629 | lpfc_destroy_vport_work_array(phba, vports); | |
2630 | phba->bucket_type = LPFC_NO_BUCKET; | |
2631 | phba->bucket_base = 0; | |
2632 | phba->bucket_step = 0; | |
2633 | return strlen(buf); | |
2634 | } | |
2635 | ||
2636 | if (!strncmp(buf, "start", strlen("start"))) { | |
2637 | /* If no buckets configured return error */ | |
2638 | if (phba->bucket_type == LPFC_NO_BUCKET) | |
2639 | return -EINVAL; | |
2640 | spin_lock_irq(shost->host_lock); | |
2641 | if (vport->stat_data_enabled) { | |
2642 | spin_unlock_irq(shost->host_lock); | |
2643 | return strlen(buf); | |
2644 | } | |
2645 | lpfc_alloc_bucket(vport); | |
2646 | vport->stat_data_enabled = 1; | |
2647 | spin_unlock_irq(shost->host_lock); | |
2648 | return strlen(buf); | |
2649 | } | |
2650 | ||
2651 | if (!strncmp(buf, "stop", strlen("stop"))) { | |
2652 | spin_lock_irq(shost->host_lock); | |
2653 | if (vport->stat_data_enabled == 0) { | |
2654 | spin_unlock_irq(shost->host_lock); | |
2655 | return strlen(buf); | |
2656 | } | |
2657 | lpfc_free_bucket(vport); | |
2658 | vport->stat_data_enabled = 0; | |
2659 | spin_unlock_irq(shost->host_lock); | |
2660 | return strlen(buf); | |
2661 | } | |
2662 | ||
2663 | if (!strncmp(buf, "reset", strlen("reset"))) { | |
2664 | if ((phba->bucket_type == LPFC_NO_BUCKET) | |
2665 | || !vport->stat_data_enabled) | |
2666 | return strlen(buf); | |
2667 | spin_lock_irq(shost->host_lock); | |
2668 | vport->stat_data_blocked = 1; | |
2669 | lpfc_vport_reset_stat_data(vport); | |
2670 | vport->stat_data_blocked = 0; | |
2671 | spin_unlock_irq(shost->host_lock); | |
2672 | return strlen(buf); | |
2673 | } | |
2674 | return -EINVAL; | |
2675 | } | |
2676 | ||
2677 | ||
2678 | /** | |
3621a710 | 2679 | * lpfc_stat_data_ctrl_show - Read function for lpfc_stat_data_ctrl sysfs file |
ea2151b4 JS |
2680 | * @dev: Pointer to class device object. |
2681 | * @buf: Data buffer. | |
2682 | * | |
2683 | * This function is the read call back function for | |
2684 | * lpfc_stat_data_ctrl sysfs file. This function report the | |
2685 | * current statistical data collection state. | |
2686 | **/ | |
2687 | static ssize_t | |
2688 | lpfc_stat_data_ctrl_show(struct device *dev, struct device_attribute *attr, | |
2689 | char *buf) | |
2690 | { | |
2691 | struct Scsi_Host *shost = class_to_shost(dev); | |
2692 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2693 | struct lpfc_hba *phba = vport->phba; | |
2694 | int index = 0; | |
2695 | int i; | |
2696 | char *bucket_type; | |
2697 | unsigned long bucket_value; | |
2698 | ||
2699 | switch (phba->bucket_type) { | |
2700 | case LPFC_LINEAR_BUCKET: | |
2701 | bucket_type = "linear"; | |
2702 | break; | |
2703 | case LPFC_POWER2_BUCKET: | |
2704 | bucket_type = "power2"; | |
2705 | break; | |
2706 | default: | |
2707 | bucket_type = "No Bucket"; | |
2708 | break; | |
2709 | } | |
2710 | ||
2711 | sprintf(&buf[index], "Statistical Data enabled :%d, " | |
2712 | "blocked :%d, Bucket type :%s, Bucket base :%d," | |
2713 | " Bucket step :%d\nLatency Ranges :", | |
2714 | vport->stat_data_enabled, vport->stat_data_blocked, | |
2715 | bucket_type, phba->bucket_base, phba->bucket_step); | |
2716 | index = strlen(buf); | |
2717 | if (phba->bucket_type != LPFC_NO_BUCKET) { | |
2718 | for (i = 0; i < LPFC_MAX_BUCKET_COUNT; i++) { | |
2719 | if (phba->bucket_type == LPFC_LINEAR_BUCKET) | |
2720 | bucket_value = phba->bucket_base + | |
2721 | phba->bucket_step * i; | |
2722 | else | |
2723 | bucket_value = phba->bucket_base + | |
2724 | (1 << i) * phba->bucket_step; | |
2725 | ||
2726 | if (index + 10 > PAGE_SIZE) | |
2727 | break; | |
2728 | sprintf(&buf[index], "%08ld ", bucket_value); | |
2729 | index = strlen(buf); | |
2730 | } | |
2731 | } | |
2732 | sprintf(&buf[index], "\n"); | |
2733 | return strlen(buf); | |
2734 | } | |
2735 | ||
2736 | /* | |
2737 | * Sysfs attribute to control the statistical data collection. | |
2738 | */ | |
2739 | static DEVICE_ATTR(lpfc_stat_data_ctrl, S_IRUGO | S_IWUSR, | |
2740 | lpfc_stat_data_ctrl_show, lpfc_stat_data_ctrl_store); | |
2741 | ||
2742 | /* | |
2743 | * lpfc_drvr_stat_data: sysfs attr to get driver statistical data. | |
2744 | */ | |
2745 | ||
2746 | /* | |
2747 | * Each Bucket takes 11 characters and 1 new line + 17 bytes WWN | |
2748 | * for each target. | |
2749 | */ | |
2750 | #define STAT_DATA_SIZE_PER_TARGET(NUM_BUCKETS) ((NUM_BUCKETS) * 11 + 18) | |
2751 | #define MAX_STAT_DATA_SIZE_PER_TARGET \ | |
2752 | STAT_DATA_SIZE_PER_TARGET(LPFC_MAX_BUCKET_COUNT) | |
2753 | ||
2754 | ||
2755 | /** | |
3621a710 | 2756 | * sysfs_drvr_stat_data_read - Read function for lpfc_drvr_stat_data attribute |
2c3c8bea | 2757 | * @filp: sysfs file |
ea2151b4 JS |
2758 | * @kobj: Pointer to the kernel object |
2759 | * @bin_attr: Attribute object | |
2760 | * @buff: Buffer pointer | |
2761 | * @off: File offset | |
2762 | * @count: Buffer size | |
2763 | * | |
2764 | * This function is the read call back function for lpfc_drvr_stat_data | |
2765 | * sysfs file. This function export the statistical data to user | |
2766 | * applications. | |
2767 | **/ | |
2768 | static ssize_t | |
2c3c8bea CW |
2769 | sysfs_drvr_stat_data_read(struct file *filp, struct kobject *kobj, |
2770 | struct bin_attribute *bin_attr, | |
ea2151b4 JS |
2771 | char *buf, loff_t off, size_t count) |
2772 | { | |
2773 | struct device *dev = container_of(kobj, struct device, | |
2774 | kobj); | |
2775 | struct Scsi_Host *shost = class_to_shost(dev); | |
2776 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2777 | struct lpfc_hba *phba = vport->phba; | |
2778 | int i = 0, index = 0; | |
2779 | unsigned long nport_index; | |
2780 | struct lpfc_nodelist *ndlp = NULL; | |
2781 | nport_index = (unsigned long)off / | |
2782 | MAX_STAT_DATA_SIZE_PER_TARGET; | |
2783 | ||
2784 | if (!vport->stat_data_enabled || vport->stat_data_blocked | |
2785 | || (phba->bucket_type == LPFC_NO_BUCKET)) | |
2786 | return 0; | |
2787 | ||
2788 | spin_lock_irq(shost->host_lock); | |
2789 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { | |
2790 | if (!NLP_CHK_NODE_ACT(ndlp) || !ndlp->lat_data) | |
2791 | continue; | |
2792 | ||
2793 | if (nport_index > 0) { | |
2794 | nport_index--; | |
2795 | continue; | |
2796 | } | |
2797 | ||
2798 | if ((index + MAX_STAT_DATA_SIZE_PER_TARGET) | |
2799 | > count) | |
2800 | break; | |
2801 | ||
2802 | if (!ndlp->lat_data) | |
2803 | continue; | |
2804 | ||
2805 | /* Print the WWN */ | |
2806 | sprintf(&buf[index], "%02x%02x%02x%02x%02x%02x%02x%02x:", | |
2807 | ndlp->nlp_portname.u.wwn[0], | |
2808 | ndlp->nlp_portname.u.wwn[1], | |
2809 | ndlp->nlp_portname.u.wwn[2], | |
2810 | ndlp->nlp_portname.u.wwn[3], | |
2811 | ndlp->nlp_portname.u.wwn[4], | |
2812 | ndlp->nlp_portname.u.wwn[5], | |
2813 | ndlp->nlp_portname.u.wwn[6], | |
2814 | ndlp->nlp_portname.u.wwn[7]); | |
2815 | ||
2816 | index = strlen(buf); | |
2817 | ||
2818 | for (i = 0; i < LPFC_MAX_BUCKET_COUNT; i++) { | |
2819 | sprintf(&buf[index], "%010u,", | |
2820 | ndlp->lat_data[i].cmd_count); | |
2821 | index = strlen(buf); | |
2822 | } | |
2823 | sprintf(&buf[index], "\n"); | |
2824 | index = strlen(buf); | |
2825 | } | |
2826 | spin_unlock_irq(shost->host_lock); | |
2827 | return index; | |
2828 | } | |
2829 | ||
2830 | static struct bin_attribute sysfs_drvr_stat_data_attr = { | |
2831 | .attr = { | |
2832 | .name = "lpfc_drvr_stat_data", | |
2833 | .mode = S_IRUSR, | |
ea2151b4 JS |
2834 | }, |
2835 | .size = LPFC_MAX_TARGET * MAX_STAT_DATA_SIZE_PER_TARGET, | |
2836 | .read = sysfs_drvr_stat_data_read, | |
2837 | .write = NULL, | |
2838 | }; | |
2839 | ||
dea3101e | 2840 | /* |
2841 | # lpfc_link_speed: Link speed selection for initializing the Fibre Channel | |
2842 | # connection. | |
76a95d75 | 2843 | # Value range is [0,16]. Default value is 0. |
dea3101e | 2844 | */ |
e59058c4 | 2845 | /** |
3621a710 | 2846 | * lpfc_link_speed_set - Set the adapters link speed |
e59058c4 JS |
2847 | * @phba: lpfc_hba pointer. |
2848 | * @val: link speed value. | |
2849 | * | |
2850 | * Description: | |
2851 | * If val is in a valid range then set the adapter's link speed field and | |
2852 | * issue a lip; if the lip fails reset the link speed to the old value. | |
2853 | * | |
2854 | * Notes: | |
2855 | * If the value is not in range log a kernel error message and return an error. | |
2856 | * | |
2857 | * Returns: | |
2858 | * zero if val is in range and lip okay. | |
2859 | * non-zero return value from lpfc_issue_lip() | |
2860 | * -EINVAL val out of range | |
2861 | **/ | |
a257bf90 JS |
2862 | static ssize_t |
2863 | lpfc_link_speed_store(struct device *dev, struct device_attribute *attr, | |
2864 | const char *buf, size_t count) | |
83108bd3 | 2865 | { |
a257bf90 JS |
2866 | struct Scsi_Host *shost = class_to_shost(dev); |
2867 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2868 | struct lpfc_hba *phba = vport->phba; | |
76a95d75 | 2869 | int val = LPFC_USER_LINK_SPEED_AUTO; |
a257bf90 JS |
2870 | int nolip = 0; |
2871 | const char *val_buf = buf; | |
83108bd3 JS |
2872 | int err; |
2873 | uint32_t prev_val; | |
2874 | ||
a257bf90 JS |
2875 | if (!strncmp(buf, "nolip ", strlen("nolip "))) { |
2876 | nolip = 1; | |
2877 | val_buf = &buf[strlen("nolip ")]; | |
2878 | } | |
2879 | ||
2880 | if (!isdigit(val_buf[0])) | |
2881 | return -EINVAL; | |
2882 | if (sscanf(val_buf, "%i", &val) != 1) | |
2883 | return -EINVAL; | |
2884 | ||
76a95d75 JS |
2885 | if (((val == LPFC_USER_LINK_SPEED_1G) && !(phba->lmt & LMT_1Gb)) || |
2886 | ((val == LPFC_USER_LINK_SPEED_2G) && !(phba->lmt & LMT_2Gb)) || | |
2887 | ((val == LPFC_USER_LINK_SPEED_4G) && !(phba->lmt & LMT_4Gb)) || | |
2888 | ((val == LPFC_USER_LINK_SPEED_8G) && !(phba->lmt & LMT_8Gb)) || | |
2889 | ((val == LPFC_USER_LINK_SPEED_10G) && !(phba->lmt & LMT_10Gb)) || | |
2890 | ((val == LPFC_USER_LINK_SPEED_16G) && !(phba->lmt & LMT_16Gb))) { | |
2891 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2892 | "2879 lpfc_link_speed attribute cannot be set " | |
2893 | "to %d. Speed is not supported by this port.\n", | |
2894 | val); | |
83108bd3 | 2895 | return -EINVAL; |
76a95d75 JS |
2896 | } |
2897 | if ((val >= 0) && (val <= LPFC_USER_LINK_SPEED_MAX) && | |
2898 | (LPFC_USER_LINK_SPEED_BITMAP & (1 << val))) { | |
83108bd3 JS |
2899 | prev_val = phba->cfg_link_speed; |
2900 | phba->cfg_link_speed = val; | |
a257bf90 JS |
2901 | if (nolip) |
2902 | return strlen(buf); | |
2903 | ||
83108bd3 | 2904 | err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport)); |
a257bf90 | 2905 | if (err) { |
83108bd3 | 2906 | phba->cfg_link_speed = prev_val; |
a257bf90 JS |
2907 | return -EINVAL; |
2908 | } else | |
2909 | return strlen(buf); | |
83108bd3 | 2910 | } |
83108bd3 | 2911 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
76a95d75 JS |
2912 | "0469 lpfc_link_speed attribute cannot be set to %d, " |
2913 | "allowed values are ["LPFC_LINK_SPEED_STRING"]\n", val); | |
83108bd3 JS |
2914 | return -EINVAL; |
2915 | } | |
2916 | ||
2917 | static int lpfc_link_speed = 0; | |
2918 | module_param(lpfc_link_speed, int, 0); | |
2919 | MODULE_PARM_DESC(lpfc_link_speed, "Select link speed"); | |
2920 | lpfc_param_show(link_speed) | |
e59058c4 JS |
2921 | |
2922 | /** | |
3621a710 | 2923 | * lpfc_link_speed_init - Set the adapters link speed |
e59058c4 JS |
2924 | * @phba: lpfc_hba pointer. |
2925 | * @val: link speed value. | |
2926 | * | |
2927 | * Description: | |
2928 | * If val is in a valid range then set the adapter's link speed field. | |
2929 | * | |
2930 | * Notes: | |
2931 | * If the value is not in range log a kernel error message, clear the link | |
2932 | * speed and return an error. | |
2933 | * | |
2934 | * Returns: | |
2935 | * zero if val saved. | |
2936 | * -EINVAL val out of range | |
2937 | **/ | |
83108bd3 JS |
2938 | static int |
2939 | lpfc_link_speed_init(struct lpfc_hba *phba, int val) | |
2940 | { | |
76a95d75 JS |
2941 | if ((val >= 0) && (val <= LPFC_USER_LINK_SPEED_MAX) && |
2942 | (LPFC_USER_LINK_SPEED_BITMAP & (1 << val))) { | |
83108bd3 JS |
2943 | phba->cfg_link_speed = val; |
2944 | return 0; | |
2945 | } | |
2946 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
d7c255b2 | 2947 | "0405 lpfc_link_speed attribute cannot " |
83108bd3 JS |
2948 | "be set to %d, allowed values are " |
2949 | "["LPFC_LINK_SPEED_STRING"]\n", val); | |
76a95d75 | 2950 | phba->cfg_link_speed = LPFC_USER_LINK_SPEED_AUTO; |
83108bd3 JS |
2951 | return -EINVAL; |
2952 | } | |
2953 | ||
ee959b00 | 2954 | static DEVICE_ATTR(lpfc_link_speed, S_IRUGO | S_IWUSR, |
76a95d75 | 2955 | lpfc_link_speed_show, lpfc_link_speed_store); |
dea3101e | 2956 | |
0d878419 JS |
2957 | /* |
2958 | # lpfc_aer_support: Support PCIe device Advanced Error Reporting (AER) | |
2959 | # 0 = aer disabled or not supported | |
2960 | # 1 = aer supported and enabled (default) | |
2961 | # Value range is [0,1]. Default value is 1. | |
2962 | */ | |
2963 | ||
2964 | /** | |
2965 | * lpfc_aer_support_store - Set the adapter for aer support | |
2966 | * | |
2967 | * @dev: class device that is converted into a Scsi_host. | |
2968 | * @attr: device attribute, not used. | |
2969 | * @buf: containing the string "selective". | |
2970 | * @count: unused variable. | |
2971 | * | |
2972 | * Description: | |
2973 | * If the val is 1 and currently the device's AER capability was not | |
2974 | * enabled, invoke the kernel's enable AER helper routine, trying to | |
2975 | * enable the device's AER capability. If the helper routine enabling | |
2976 | * AER returns success, update the device's cfg_aer_support flag to | |
2977 | * indicate AER is supported by the device; otherwise, if the device | |
2978 | * AER capability is already enabled to support AER, then do nothing. | |
2979 | * | |
2980 | * If the val is 0 and currently the device's AER support was enabled, | |
2981 | * invoke the kernel's disable AER helper routine. After that, update | |
2982 | * the device's cfg_aer_support flag to indicate AER is not supported | |
2983 | * by the device; otherwise, if the device AER capability is already | |
2984 | * disabled from supporting AER, then do nothing. | |
2985 | * | |
2986 | * Returns: | |
2987 | * length of the buf on success if val is in range the intended mode | |
2988 | * is supported. | |
2989 | * -EINVAL if val out of range or intended mode is not supported. | |
2990 | **/ | |
2991 | static ssize_t | |
2992 | lpfc_aer_support_store(struct device *dev, struct device_attribute *attr, | |
2993 | const char *buf, size_t count) | |
2994 | { | |
2995 | struct Scsi_Host *shost = class_to_shost(dev); | |
2996 | struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; | |
2997 | struct lpfc_hba *phba = vport->phba; | |
2998 | int val = 0, rc = -EINVAL; | |
2999 | ||
3000 | if (!isdigit(buf[0])) | |
3001 | return -EINVAL; | |
3002 | if (sscanf(buf, "%i", &val) != 1) | |
3003 | return -EINVAL; | |
3004 | ||
3005 | switch (val) { | |
3006 | case 0: | |
3007 | if (phba->hba_flag & HBA_AER_ENABLED) { | |
3008 | rc = pci_disable_pcie_error_reporting(phba->pcidev); | |
3009 | if (!rc) { | |
3010 | spin_lock_irq(&phba->hbalock); | |
3011 | phba->hba_flag &= ~HBA_AER_ENABLED; | |
3012 | spin_unlock_irq(&phba->hbalock); | |
3013 | phba->cfg_aer_support = 0; | |
3014 | rc = strlen(buf); | |
3015 | } else | |
891478a2 JS |
3016 | rc = -EPERM; |
3017 | } else { | |
0d878419 | 3018 | phba->cfg_aer_support = 0; |
891478a2 JS |
3019 | rc = strlen(buf); |
3020 | } | |
0d878419 JS |
3021 | break; |
3022 | case 1: | |
3023 | if (!(phba->hba_flag & HBA_AER_ENABLED)) { | |
3024 | rc = pci_enable_pcie_error_reporting(phba->pcidev); | |
3025 | if (!rc) { | |
3026 | spin_lock_irq(&phba->hbalock); | |
3027 | phba->hba_flag |= HBA_AER_ENABLED; | |
3028 | spin_unlock_irq(&phba->hbalock); | |
3029 | phba->cfg_aer_support = 1; | |
3030 | rc = strlen(buf); | |
3031 | } else | |
891478a2 JS |
3032 | rc = -EPERM; |
3033 | } else { | |
0d878419 | 3034 | phba->cfg_aer_support = 1; |
891478a2 JS |
3035 | rc = strlen(buf); |
3036 | } | |
0d878419 JS |
3037 | break; |
3038 | default: | |
3039 | rc = -EINVAL; | |
3040 | break; | |
3041 | } | |
3042 | return rc; | |
3043 | } | |
3044 | ||
3045 | static int lpfc_aer_support = 1; | |
3046 | module_param(lpfc_aer_support, int, 1); | |
3047 | MODULE_PARM_DESC(lpfc_aer_support, "Enable PCIe device AER support"); | |
3048 | lpfc_param_show(aer_support) | |
3049 | ||
3050 | /** | |
3051 | * lpfc_aer_support_init - Set the initial adapters aer support flag | |
3052 | * @phba: lpfc_hba pointer. | |
3053 | * @val: link speed value. | |
3054 | * | |
3055 | * Description: | |
3056 | * If val is in a valid range [0,1], then set the adapter's initial | |
3057 | * cfg_aer_support field. It will be up to the driver's probe_one | |
3058 | * routine to determine whether the device's AER support can be set | |
3059 | * or not. | |
3060 | * | |
3061 | * Notes: | |
3062 | * If the value is not in range log a kernel error message, and | |
3063 | * choose the default value of setting AER support and return. | |
3064 | * | |
3065 | * Returns: | |
3066 | * zero if val saved. | |
3067 | * -EINVAL val out of range | |
3068 | **/ | |
3069 | static int | |
3070 | lpfc_aer_support_init(struct lpfc_hba *phba, int val) | |
3071 | { | |
3072 | if (val == 0 || val == 1) { | |
3073 | phba->cfg_aer_support = val; | |
3074 | return 0; | |
3075 | } | |
3076 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3077 | "2712 lpfc_aer_support attribute value %d out " | |
3078 | "of range, allowed values are 0|1, setting it " | |
3079 | "to default value of 1\n", val); | |
891478a2 | 3080 | /* By default, try to enable AER on a device */ |
0d878419 JS |
3081 | phba->cfg_aer_support = 1; |
3082 | return -EINVAL; | |
3083 | } | |
3084 | ||
3085 | static DEVICE_ATTR(lpfc_aer_support, S_IRUGO | S_IWUSR, | |
3086 | lpfc_aer_support_show, lpfc_aer_support_store); | |
3087 | ||
3088 | /** | |
3089 | * lpfc_aer_cleanup_state - Clean up aer state to the aer enabled device | |
3090 | * @dev: class device that is converted into a Scsi_host. | |
3091 | * @attr: device attribute, not used. | |
3092 | * @buf: containing the string "selective". | |
3093 | * @count: unused variable. | |
3094 | * | |
3095 | * Description: | |
3096 | * If the @buf contains 1 and the device currently has the AER support | |
3097 | * enabled, then invokes the kernel AER helper routine | |
3098 | * pci_cleanup_aer_uncorrect_error_status to clean up the uncorrectable | |
3099 | * error status register. | |
3100 | * | |
3101 | * Notes: | |
3102 | * | |
3103 | * Returns: | |
3104 | * -EINVAL if the buf does not contain the 1 or the device is not currently | |
3105 | * enabled with the AER support. | |
3106 | **/ | |
3107 | static ssize_t | |
3108 | lpfc_aer_cleanup_state(struct device *dev, struct device_attribute *attr, | |
3109 | const char *buf, size_t count) | |
3110 | { | |
3111 | struct Scsi_Host *shost = class_to_shost(dev); | |
3112 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
3113 | struct lpfc_hba *phba = vport->phba; | |
3114 | int val, rc = -1; | |
3115 | ||
3116 | if (!isdigit(buf[0])) | |
3117 | return -EINVAL; | |
3118 | if (sscanf(buf, "%i", &val) != 1) | |
3119 | return -EINVAL; | |
891478a2 JS |
3120 | if (val != 1) |
3121 | return -EINVAL; | |
0d878419 | 3122 | |
891478a2 | 3123 | if (phba->hba_flag & HBA_AER_ENABLED) |
0d878419 JS |
3124 | rc = pci_cleanup_aer_uncorrect_error_status(phba->pcidev); |
3125 | ||
3126 | if (rc == 0) | |
3127 | return strlen(buf); | |
3128 | else | |
891478a2 | 3129 | return -EPERM; |
0d878419 JS |
3130 | } |
3131 | ||
3132 | static DEVICE_ATTR(lpfc_aer_state_cleanup, S_IWUSR, NULL, | |
3133 | lpfc_aer_cleanup_state); | |
3134 | ||
dea3101e | 3135 | /* |
3136 | # lpfc_fcp_class: Determines FC class to use for the FCP protocol. | |
3137 | # Value range is [2,3]. Default value is 3. | |
3138 | */ | |
3de2a653 JS |
3139 | LPFC_VPORT_ATTR_R(fcp_class, 3, 2, 3, |
3140 | "Select Fibre Channel class of service for FCP sequences"); | |
dea3101e | 3141 | |
3142 | /* | |
3143 | # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range | |
3144 | # is [0,1]. Default value is 0. | |
3145 | */ | |
3de2a653 JS |
3146 | LPFC_VPORT_ATTR_RW(use_adisc, 0, 0, 1, |
3147 | "Use ADISC on rediscovery to authenticate FCP devices"); | |
dea3101e | 3148 | |
977b5a0a JS |
3149 | /* |
3150 | # lpfc_max_scsicmpl_time: Use scsi command completion time to control I/O queue | |
3151 | # depth. Default value is 0. When the value of this parameter is zero the | |
3152 | # SCSI command completion time is not used for controlling I/O queue depth. When | |
3153 | # the parameter is set to a non-zero value, the I/O queue depth is controlled | |
3154 | # to limit the I/O completion time to the parameter value. | |
3155 | # The value is set in milliseconds. | |
3156 | */ | |
3157 | static int lpfc_max_scsicmpl_time; | |
3158 | module_param(lpfc_max_scsicmpl_time, int, 0); | |
3159 | MODULE_PARM_DESC(lpfc_max_scsicmpl_time, | |
3160 | "Use command completion time to control queue depth"); | |
3161 | lpfc_vport_param_show(max_scsicmpl_time); | |
3162 | lpfc_vport_param_init(max_scsicmpl_time, 0, 0, 60000); | |
3163 | static int | |
3164 | lpfc_max_scsicmpl_time_set(struct lpfc_vport *vport, int val) | |
3165 | { | |
3166 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
3167 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
3168 | ||
3169 | if (val == vport->cfg_max_scsicmpl_time) | |
3170 | return 0; | |
3171 | if ((val < 0) || (val > 60000)) | |
3172 | return -EINVAL; | |
3173 | vport->cfg_max_scsicmpl_time = val; | |
3174 | ||
3175 | spin_lock_irq(shost->host_lock); | |
3176 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { | |
3177 | if (!NLP_CHK_NODE_ACT(ndlp)) | |
3178 | continue; | |
3179 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) | |
3180 | continue; | |
7dc517df | 3181 | ndlp->cmd_qdepth = vport->cfg_tgt_queue_depth; |
977b5a0a JS |
3182 | } |
3183 | spin_unlock_irq(shost->host_lock); | |
3184 | return 0; | |
3185 | } | |
3186 | lpfc_vport_param_store(max_scsicmpl_time); | |
3187 | static DEVICE_ATTR(lpfc_max_scsicmpl_time, S_IRUGO | S_IWUSR, | |
3188 | lpfc_max_scsicmpl_time_show, | |
3189 | lpfc_max_scsicmpl_time_store); | |
3190 | ||
dea3101e | 3191 | /* |
3192 | # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value | |
3193 | # range is [0,1]. Default value is 0. | |
3194 | */ | |
3195 | LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support"); | |
3196 | ||
3197 | /* | |
3198 | # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing | |
3199 | # cr_delay (msec) or cr_count outstanding commands. cr_delay can take | |
7054a606 | 3200 | # value [0,63]. cr_count can take value [1,255]. Default value of cr_delay |
dea3101e | 3201 | # is 0. Default value of cr_count is 1. The cr_count feature is disabled if |
3202 | # cr_delay is set to 0. | |
3203 | */ | |
8189fd19 | 3204 | LPFC_ATTR_RW(cr_delay, 0, 0, 63, "A count of milliseconds after which an " |
dea3101e | 3205 | "interrupt response is generated"); |
3206 | ||
8189fd19 | 3207 | LPFC_ATTR_RW(cr_count, 1, 1, 255, "A count of I/O completions after which an " |
dea3101e | 3208 | "interrupt response is generated"); |
3209 | ||
cf5bf97e JW |
3210 | /* |
3211 | # lpfc_multi_ring_support: Determines how many rings to spread available | |
3212 | # cmd/rsp IOCB entries across. | |
3213 | # Value range is [1,2]. Default value is 1. | |
3214 | */ | |
3215 | LPFC_ATTR_R(multi_ring_support, 1, 1, 2, "Determines number of primary " | |
3216 | "SLI rings to spread IOCB entries across"); | |
3217 | ||
a4bc3379 JS |
3218 | /* |
3219 | # lpfc_multi_ring_rctl: If lpfc_multi_ring_support is enabled, this | |
3220 | # identifies what rctl value to configure the additional ring for. | |
3221 | # Value range is [1,0xff]. Default value is 4 (Unsolicated Data). | |
3222 | */ | |
6a9c52cf | 3223 | LPFC_ATTR_R(multi_ring_rctl, FC_RCTL_DD_UNSOL_DATA, 1, |
a4bc3379 JS |
3224 | 255, "Identifies RCTL for additional ring configuration"); |
3225 | ||
3226 | /* | |
3227 | # lpfc_multi_ring_type: If lpfc_multi_ring_support is enabled, this | |
3228 | # identifies what type value to configure the additional ring for. | |
3229 | # Value range is [1,0xff]. Default value is 5 (LLC/SNAP). | |
3230 | */ | |
6a9c52cf | 3231 | LPFC_ATTR_R(multi_ring_type, FC_TYPE_IP, 1, |
a4bc3379 JS |
3232 | 255, "Identifies TYPE for additional ring configuration"); |
3233 | ||
dea3101e | 3234 | /* |
3235 | # lpfc_fdmi_on: controls FDMI support. | |
3236 | # 0 = no FDMI support | |
3237 | # 1 = support FDMI without attribute of hostname | |
3238 | # 2 = support FDMI with attribute of hostname | |
3239 | # Value range [0,2]. Default value is 0. | |
3240 | */ | |
3de2a653 | 3241 | LPFC_VPORT_ATTR_RW(fdmi_on, 0, 0, 2, "Enable FDMI support"); |
dea3101e | 3242 | |
3243 | /* | |
3244 | # Specifies the maximum number of ELS cmds we can have outstanding (for | |
3245 | # discovery). Value range is [1,64]. Default value = 32. | |
3246 | */ | |
3de2a653 | 3247 | LPFC_VPORT_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands " |
dea3101e | 3248 | "during discovery"); |
3249 | ||
3250 | /* | |
65a29c16 JS |
3251 | # lpfc_max_luns: maximum allowed LUN. |
3252 | # Value range is [0,65535]. Default value is 255. | |
3253 | # NOTE: The SCSI layer might probe all allowed LUN on some old targets. | |
dea3101e | 3254 | */ |
3de2a653 | 3255 | LPFC_VPORT_ATTR_R(max_luns, 255, 0, 65535, "Maximum allowed LUN"); |
dea3101e | 3256 | |
875fbdfe JSEC |
3257 | /* |
3258 | # lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring. | |
3259 | # Value range is [1,255], default value is 10. | |
3260 | */ | |
3261 | LPFC_ATTR_RW(poll_tmo, 10, 1, 255, | |
3262 | "Milliseconds driver will wait between polling FCP ring"); | |
3263 | ||
4ff43246 JS |
3264 | /* |
3265 | # lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that | |
3266 | # support this feature | |
8605c46c | 3267 | # 0 = MSI disabled |
4ff43246 | 3268 | # 1 = MSI enabled |
8605c46c GK |
3269 | # 2 = MSI-X enabled (default) |
3270 | # Value range is [0,2]. Default value is 2. | |
4ff43246 | 3271 | */ |
8605c46c | 3272 | LPFC_ATTR_R(use_msi, 2, 0, 2, "Use Message Signaled Interrupts (1) or " |
db2378e0 | 3273 | "MSI-X (2), if possible"); |
4ff43246 | 3274 | |
da0436e9 JS |
3275 | /* |
3276 | # lpfc_fcp_imax: Set the maximum number of fast-path FCP interrupts per second | |
3277 | # | |
3278 | # Value range is [636,651042]. Default value is 10000. | |
3279 | */ | |
3280 | LPFC_ATTR_R(fcp_imax, LPFC_FP_DEF_IMAX, LPFC_MIM_IMAX, LPFC_DMULT_CONST, | |
3281 | "Set the maximum number of fast-path FCP interrupts per second"); | |
3282 | ||
3283 | /* | |
3284 | # lpfc_fcp_wq_count: Set the number of fast-path FCP work queues | |
3285 | # | |
3286 | # Value range is [1,31]. Default value is 4. | |
3287 | */ | |
3288 | LPFC_ATTR_R(fcp_wq_count, LPFC_FP_WQN_DEF, LPFC_FP_WQN_MIN, LPFC_FP_WQN_MAX, | |
3289 | "Set the number of fast-path FCP work queues, if possible"); | |
3290 | ||
3291 | /* | |
3292 | # lpfc_fcp_eq_count: Set the number of fast-path FCP event queues | |
3293 | # | |
3294 | # Value range is [1,7]. Default value is 1. | |
3295 | */ | |
3296 | LPFC_ATTR_R(fcp_eq_count, LPFC_FP_EQN_DEF, LPFC_FP_EQN_MIN, LPFC_FP_EQN_MAX, | |
3297 | "Set the number of fast-path FCP event queues, if possible"); | |
3298 | ||
13815c83 JS |
3299 | /* |
3300 | # lpfc_enable_hba_reset: Allow or prevent HBA resets to the hardware. | |
3301 | # 0 = HBA resets disabled | |
3302 | # 1 = HBA resets enabled (default) | |
3303 | # Value range is [0,1]. Default value is 1. | |
3304 | */ | |
3305 | LPFC_ATTR_R(enable_hba_reset, 1, 0, 1, "Enable HBA resets from the driver."); | |
c3f28afa | 3306 | |
13815c83 JS |
3307 | /* |
3308 | # lpfc_enable_hba_heartbeat: Enable HBA heartbeat timer.. | |
3309 | # 0 = HBA Heartbeat disabled | |
3310 | # 1 = HBA Heartbeat enabled (default) | |
3311 | # Value range is [0,1]. Default value is 1. | |
3312 | */ | |
3313 | LPFC_ATTR_R(enable_hba_heartbeat, 1, 0, 1, "Enable HBA Heartbeat."); | |
92d7f7b0 | 3314 | |
81301a9b JS |
3315 | /* |
3316 | # lpfc_enable_bg: Enable BlockGuard (Emulex's Implementation of T10-DIF) | |
3317 | # 0 = BlockGuard disabled (default) | |
3318 | # 1 = BlockGuard enabled | |
3319 | # Value range is [0,1]. Default value is 0. | |
3320 | */ | |
3321 | LPFC_ATTR_R(enable_bg, 0, 0, 1, "Enable BlockGuard Support"); | |
3322 | ||
81301a9b JS |
3323 | /* |
3324 | # lpfc_prot_mask: i | |
3325 | # - Bit mask of host protection capabilities used to register with the | |
3326 | # SCSI mid-layer | |
3327 | # - Only meaningful if BG is turned on (lpfc_enable_bg=1). | |
3328 | # - Allows you to ultimately specify which profiles to use | |
3329 | # - Default will result in registering capabilities for all profiles. | |
3330 | # | |
3331 | */ | |
bc73905a | 3332 | unsigned int lpfc_prot_mask = SHOST_DIF_TYPE1_PROTECTION; |
81301a9b JS |
3333 | |
3334 | module_param(lpfc_prot_mask, uint, 0); | |
3335 | MODULE_PARM_DESC(lpfc_prot_mask, "host protection mask"); | |
3336 | ||
3337 | /* | |
3338 | # lpfc_prot_guard: i | |
3339 | # - Bit mask of protection guard types to register with the SCSI mid-layer | |
3340 | # - Guard types are currently either 1) IP checksum 2) T10-DIF CRC | |
3341 | # - Allows you to ultimately specify which profiles to use | |
3342 | # - Default will result in registering capabilities for all guard types | |
3343 | # | |
3344 | */ | |
3345 | unsigned char lpfc_prot_guard = SHOST_DIX_GUARD_IP; | |
3346 | module_param(lpfc_prot_guard, byte, 0); | |
3347 | MODULE_PARM_DESC(lpfc_prot_guard, "host protection guard type"); | |
3348 | ||
3349 | ||
83108bd3 | 3350 | /* |
3621a710 | 3351 | * lpfc_sg_seg_cnt - Initial Maximum DMA Segment Count |
83108bd3 JS |
3352 | * This value can be set to values between 64 and 256. The default value is |
3353 | * 64, but may be increased to allow for larger Max I/O sizes. The scsi layer | |
3354 | * will be allowed to request I/Os of sizes up to (MAX_SEG_COUNT * SEG_SIZE). | |
3355 | */ | |
3356 | LPFC_ATTR_R(sg_seg_cnt, LPFC_DEFAULT_SG_SEG_CNT, LPFC_DEFAULT_SG_SEG_CNT, | |
3357 | LPFC_MAX_SG_SEG_CNT, "Max Scatter Gather Segment Count"); | |
3358 | ||
81301a9b JS |
3359 | LPFC_ATTR_R(prot_sg_seg_cnt, LPFC_DEFAULT_PROT_SG_SEG_CNT, |
3360 | LPFC_DEFAULT_PROT_SG_SEG_CNT, LPFC_MAX_PROT_SG_SEG_CNT, | |
3361 | "Max Protection Scatter Gather Segment Count"); | |
3362 | ||
ee959b00 | 3363 | struct device_attribute *lpfc_hba_attrs[] = { |
81301a9b JS |
3364 | &dev_attr_bg_info, |
3365 | &dev_attr_bg_guard_err, | |
3366 | &dev_attr_bg_apptag_err, | |
3367 | &dev_attr_bg_reftag_err, | |
ee959b00 TJ |
3368 | &dev_attr_info, |
3369 | &dev_attr_serialnum, | |
3370 | &dev_attr_modeldesc, | |
3371 | &dev_attr_modelname, | |
3372 | &dev_attr_programtype, | |
3373 | &dev_attr_portnum, | |
3374 | &dev_attr_fwrev, | |
3375 | &dev_attr_hdw, | |
3376 | &dev_attr_option_rom_version, | |
bbd1ae41 | 3377 | &dev_attr_link_state, |
ee959b00 | 3378 | &dev_attr_num_discovered_ports, |
84774a4d | 3379 | &dev_attr_menlo_mgmt_mode, |
ee959b00 | 3380 | &dev_attr_lpfc_drvr_version, |
45ed1190 | 3381 | &dev_attr_lpfc_enable_fip, |
ee959b00 TJ |
3382 | &dev_attr_lpfc_temp_sensor, |
3383 | &dev_attr_lpfc_log_verbose, | |
3384 | &dev_attr_lpfc_lun_queue_depth, | |
7dc517df | 3385 | &dev_attr_lpfc_tgt_queue_depth, |
ee959b00 TJ |
3386 | &dev_attr_lpfc_hba_queue_depth, |
3387 | &dev_attr_lpfc_peer_port_login, | |
3388 | &dev_attr_lpfc_nodev_tmo, | |
3389 | &dev_attr_lpfc_devloss_tmo, | |
3390 | &dev_attr_lpfc_fcp_class, | |
3391 | &dev_attr_lpfc_use_adisc, | |
3392 | &dev_attr_lpfc_ack0, | |
3393 | &dev_attr_lpfc_topology, | |
3394 | &dev_attr_lpfc_scan_down, | |
3395 | &dev_attr_lpfc_link_speed, | |
3396 | &dev_attr_lpfc_cr_delay, | |
3397 | &dev_attr_lpfc_cr_count, | |
3398 | &dev_attr_lpfc_multi_ring_support, | |
3399 | &dev_attr_lpfc_multi_ring_rctl, | |
3400 | &dev_attr_lpfc_multi_ring_type, | |
3401 | &dev_attr_lpfc_fdmi_on, | |
3402 | &dev_attr_lpfc_max_luns, | |
3403 | &dev_attr_lpfc_enable_npiv, | |
19ca7609 | 3404 | &dev_attr_lpfc_enable_rrq, |
ee959b00 TJ |
3405 | &dev_attr_nport_evt_cnt, |
3406 | &dev_attr_board_mode, | |
3407 | &dev_attr_max_vpi, | |
3408 | &dev_attr_used_vpi, | |
3409 | &dev_attr_max_rpi, | |
3410 | &dev_attr_used_rpi, | |
3411 | &dev_attr_max_xri, | |
3412 | &dev_attr_used_xri, | |
3413 | &dev_attr_npiv_info, | |
3414 | &dev_attr_issue_reset, | |
3415 | &dev_attr_lpfc_poll, | |
3416 | &dev_attr_lpfc_poll_tmo, | |
3417 | &dev_attr_lpfc_use_msi, | |
da0436e9 JS |
3418 | &dev_attr_lpfc_fcp_imax, |
3419 | &dev_attr_lpfc_fcp_wq_count, | |
3420 | &dev_attr_lpfc_fcp_eq_count, | |
81301a9b | 3421 | &dev_attr_lpfc_enable_bg, |
ee959b00 TJ |
3422 | &dev_attr_lpfc_soft_wwnn, |
3423 | &dev_attr_lpfc_soft_wwpn, | |
3424 | &dev_attr_lpfc_soft_wwn_enable, | |
3425 | &dev_attr_lpfc_enable_hba_reset, | |
3426 | &dev_attr_lpfc_enable_hba_heartbeat, | |
3427 | &dev_attr_lpfc_sg_seg_cnt, | |
977b5a0a | 3428 | &dev_attr_lpfc_max_scsicmpl_time, |
ea2151b4 | 3429 | &dev_attr_lpfc_stat_data_ctrl, |
81301a9b | 3430 | &dev_attr_lpfc_prot_sg_seg_cnt, |
0d878419 JS |
3431 | &dev_attr_lpfc_aer_support, |
3432 | &dev_attr_lpfc_aer_state_cleanup, | |
84d1b006 | 3433 | &dev_attr_lpfc_suppress_link_up, |
2a9bf3d0 JS |
3434 | &dev_attr_lpfc_iocb_cnt, |
3435 | &dev_attr_iocb_hw, | |
3436 | &dev_attr_txq_hw, | |
3437 | &dev_attr_txcmplq_hw, | |
bc73905a JS |
3438 | &dev_attr_lpfc_fips_level, |
3439 | &dev_attr_lpfc_fips_rev, | |
dea3101e | 3440 | NULL, |
3441 | }; | |
3442 | ||
ee959b00 TJ |
3443 | struct device_attribute *lpfc_vport_attrs[] = { |
3444 | &dev_attr_info, | |
bbd1ae41 | 3445 | &dev_attr_link_state, |
ee959b00 TJ |
3446 | &dev_attr_num_discovered_ports, |
3447 | &dev_attr_lpfc_drvr_version, | |
3448 | &dev_attr_lpfc_log_verbose, | |
3449 | &dev_attr_lpfc_lun_queue_depth, | |
7dc517df | 3450 | &dev_attr_lpfc_tgt_queue_depth, |
ee959b00 TJ |
3451 | &dev_attr_lpfc_nodev_tmo, |
3452 | &dev_attr_lpfc_devloss_tmo, | |
3453 | &dev_attr_lpfc_hba_queue_depth, | |
3454 | &dev_attr_lpfc_peer_port_login, | |
3455 | &dev_attr_lpfc_restrict_login, | |
3456 | &dev_attr_lpfc_fcp_class, | |
3457 | &dev_attr_lpfc_use_adisc, | |
3458 | &dev_attr_lpfc_fdmi_on, | |
3459 | &dev_attr_lpfc_max_luns, | |
3460 | &dev_attr_nport_evt_cnt, | |
3461 | &dev_attr_npiv_info, | |
3462 | &dev_attr_lpfc_enable_da_id, | |
ea2151b4 JS |
3463 | &dev_attr_lpfc_max_scsicmpl_time, |
3464 | &dev_attr_lpfc_stat_data_ctrl, | |
21e9a0a5 | 3465 | &dev_attr_lpfc_static_vport, |
bc73905a JS |
3466 | &dev_attr_lpfc_fips_level, |
3467 | &dev_attr_lpfc_fips_rev, | |
3de2a653 JS |
3468 | NULL, |
3469 | }; | |
3470 | ||
e59058c4 | 3471 | /** |
3621a710 | 3472 | * sysfs_ctlreg_write - Write method for writing to 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. | |
3476 | * @buf: contains the data to be written to the adapter IOREG space. | |
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 send buf contents to the adapter. | |
3483 | * | |
3484 | * Returns: | |
3485 | * -ERANGE off and count combo out of range | |
3486 | * -EINVAL off, count or buff address invalid | |
3487 | * -EPERM adapter is offline | |
3488 | * value of count, buf contents written | |
3489 | **/ | |
dea3101e | 3490 | static ssize_t |
2c3c8bea CW |
3491 | sysfs_ctlreg_write(struct file *filp, struct kobject *kobj, |
3492 | struct bin_attribute *bin_attr, | |
91a69029 | 3493 | char *buf, loff_t off, size_t count) |
dea3101e | 3494 | { |
3495 | size_t buf_off; | |
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 | 3504 | if ((off + count) > FF_REG_AREA_SIZE) |
3505 | return -ERANGE; | |
3506 | ||
3507 | if (count == 0) return 0; | |
3508 | ||
3509 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
3510 | return -EINVAL; | |
3511 | ||
2e0fef85 | 3512 | if (!(vport->fc_flag & FC_OFFLINE_MODE)) { |
dea3101e | 3513 | return -EPERM; |
3514 | } | |
3515 | ||
2e0fef85 | 3516 | spin_lock_irq(&phba->hbalock); |
dea3101e | 3517 | for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) |
3518 | writel(*((uint32_t *)(buf + buf_off)), | |
3519 | phba->ctrl_regs_memmap_p + off + buf_off); | |
3520 | ||
2e0fef85 | 3521 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3522 | |
3523 | return count; | |
3524 | } | |
3525 | ||
e59058c4 | 3526 | /** |
3621a710 | 3527 | * sysfs_ctlreg_read - Read method for reading from ctlreg |
2c3c8bea | 3528 | * @filp: open sysfs file |
e59058c4 JS |
3529 | * @kobj: kernel kobject that contains the kernel class device. |
3530 | * @bin_attr: kernel attributes passed to us. | |
af901ca1 | 3531 | * @buf: if successful contains the data from the adapter IOREG space. |
e59058c4 JS |
3532 | * @off: offset into buffer to beginning of data. |
3533 | * @count: bytes to transfer. | |
3534 | * | |
3535 | * Description: | |
3536 | * Accessed via /sys/class/scsi_host/hostxxx/ctlreg. | |
3537 | * Uses the adapter io control registers to read data into buf. | |
3538 | * | |
3539 | * Returns: | |
3540 | * -ERANGE off and count combo out of range | |
3541 | * -EINVAL off, count or buff address invalid | |
3542 | * value of count, buf contents read | |
3543 | **/ | |
dea3101e | 3544 | static ssize_t |
2c3c8bea CW |
3545 | sysfs_ctlreg_read(struct file *filp, struct kobject *kobj, |
3546 | struct bin_attribute *bin_attr, | |
91a69029 | 3547 | char *buf, loff_t off, size_t count) |
dea3101e | 3548 | { |
3549 | size_t buf_off; | |
3550 | uint32_t * tmp_ptr; | |
ee959b00 TJ |
3551 | struct device *dev = container_of(kobj, struct device, kobj); |
3552 | struct Scsi_Host *shost = class_to_shost(dev); | |
2e0fef85 JS |
3553 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3554 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 3555 | |
f1126688 JS |
3556 | if (phba->sli_rev >= LPFC_SLI_REV4) |
3557 | return -EPERM; | |
3558 | ||
dea3101e | 3559 | if (off > FF_REG_AREA_SIZE) |
3560 | return -ERANGE; | |
3561 | ||
3562 | if ((off + count) > FF_REG_AREA_SIZE) | |
3563 | count = FF_REG_AREA_SIZE - off; | |
3564 | ||
3565 | if (count == 0) return 0; | |
3566 | ||
3567 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
3568 | return -EINVAL; | |
3569 | ||
2e0fef85 | 3570 | spin_lock_irq(&phba->hbalock); |
dea3101e | 3571 | |
3572 | for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) { | |
3573 | tmp_ptr = (uint32_t *)(buf + buf_off); | |
3574 | *tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off); | |
3575 | } | |
3576 | ||
2e0fef85 | 3577 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3578 | |
3579 | return count; | |
3580 | } | |
3581 | ||
3582 | static struct bin_attribute sysfs_ctlreg_attr = { | |
3583 | .attr = { | |
3584 | .name = "ctlreg", | |
3585 | .mode = S_IRUSR | S_IWUSR, | |
dea3101e | 3586 | }, |
3587 | .size = 256, | |
3588 | .read = sysfs_ctlreg_read, | |
3589 | .write = sysfs_ctlreg_write, | |
3590 | }; | |
3591 | ||
e59058c4 | 3592 | /** |
3621a710 | 3593 | * sysfs_mbox_idle - frees the sysfs mailbox |
e59058c4 JS |
3594 | * @phba: lpfc_hba pointer |
3595 | **/ | |
dea3101e | 3596 | static void |
2e0fef85 | 3597 | sysfs_mbox_idle(struct lpfc_hba *phba) |
dea3101e | 3598 | { |
3599 | phba->sysfs_mbox.state = SMBOX_IDLE; | |
3600 | phba->sysfs_mbox.offset = 0; | |
3601 | ||
3602 | if (phba->sysfs_mbox.mbox) { | |
3603 | mempool_free(phba->sysfs_mbox.mbox, | |
3604 | phba->mbox_mem_pool); | |
3605 | phba->sysfs_mbox.mbox = NULL; | |
3606 | } | |
3607 | } | |
3608 | ||
e59058c4 | 3609 | /** |
3621a710 | 3610 | * sysfs_mbox_write - Write method for writing information via mbox |
2c3c8bea | 3611 | * @filp: open sysfs file |
e59058c4 JS |
3612 | * @kobj: kernel kobject that contains the kernel class device. |
3613 | * @bin_attr: kernel attributes passed to us. | |
3614 | * @buf: contains the data to be written to sysfs mbox. | |
3615 | * @off: offset into buffer to beginning of data. | |
3616 | * @count: bytes to transfer. | |
3617 | * | |
3618 | * Description: | |
3619 | * Accessed via /sys/class/scsi_host/hostxxx/mbox. | |
3620 | * Uses the sysfs mbox to send buf contents to the adapter. | |
3621 | * | |
3622 | * Returns: | |
3623 | * -ERANGE off and count combo out of range | |
3624 | * -EINVAL off, count or buff address invalid | |
3625 | * zero if count is zero | |
3626 | * -EPERM adapter is offline | |
3627 | * -ENOMEM failed to allocate memory for the mail box | |
3628 | * -EAGAIN offset, state or mbox is NULL | |
3629 | * count number of bytes transferred | |
3630 | **/ | |
dea3101e | 3631 | static ssize_t |
2c3c8bea CW |
3632 | sysfs_mbox_write(struct file *filp, struct kobject *kobj, |
3633 | struct bin_attribute *bin_attr, | |
91a69029 | 3634 | char *buf, loff_t off, size_t count) |
dea3101e | 3635 | { |
ee959b00 TJ |
3636 | struct device *dev = container_of(kobj, struct device, kobj); |
3637 | struct Scsi_Host *shost = class_to_shost(dev); | |
2e0fef85 JS |
3638 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3639 | struct lpfc_hba *phba = vport->phba; | |
3640 | struct lpfcMboxq *mbox = NULL; | |
dea3101e | 3641 | |
3642 | if ((count + off) > MAILBOX_CMD_SIZE) | |
3643 | return -ERANGE; | |
3644 | ||
3645 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
3646 | return -EINVAL; | |
3647 | ||
3648 | if (count == 0) | |
3649 | return 0; | |
3650 | ||
3651 | if (off == 0) { | |
3652 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
3653 | if (!mbox) | |
3654 | return -ENOMEM; | |
fc6c12bc | 3655 | memset(mbox, 0, sizeof (LPFC_MBOXQ_t)); |
dea3101e | 3656 | } |
3657 | ||
2e0fef85 | 3658 | spin_lock_irq(&phba->hbalock); |
dea3101e | 3659 | |
3660 | if (off == 0) { | |
3661 | if (phba->sysfs_mbox.mbox) | |
3662 | mempool_free(mbox, phba->mbox_mem_pool); | |
3663 | else | |
3664 | phba->sysfs_mbox.mbox = mbox; | |
3665 | phba->sysfs_mbox.state = SMBOX_WRITING; | |
3666 | } else { | |
3667 | if (phba->sysfs_mbox.state != SMBOX_WRITING || | |
3668 | phba->sysfs_mbox.offset != off || | |
92d7f7b0 | 3669 | phba->sysfs_mbox.mbox == NULL) { |
dea3101e | 3670 | sysfs_mbox_idle(phba); |
2e0fef85 | 3671 | spin_unlock_irq(&phba->hbalock); |
8f6d98d2 | 3672 | return -EAGAIN; |
dea3101e | 3673 | } |
3674 | } | |
3675 | ||
04c68496 | 3676 | memcpy((uint8_t *) &phba->sysfs_mbox.mbox->u.mb + off, |
dea3101e | 3677 | buf, count); |
3678 | ||
3679 | phba->sysfs_mbox.offset = off + count; | |
3680 | ||
2e0fef85 | 3681 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3682 | |
3683 | return count; | |
3684 | } | |
3685 | ||
e59058c4 | 3686 | /** |
3621a710 | 3687 | * sysfs_mbox_read - Read method for reading information via mbox |
2c3c8bea | 3688 | * @filp: open sysfs file |
e59058c4 JS |
3689 | * @kobj: kernel kobject that contains the kernel class device. |
3690 | * @bin_attr: kernel attributes passed to us. | |
3691 | * @buf: contains the data to be read from sysfs mbox. | |
3692 | * @off: offset into buffer to beginning of data. | |
3693 | * @count: bytes to transfer. | |
3694 | * | |
3695 | * Description: | |
3696 | * Accessed via /sys/class/scsi_host/hostxxx/mbox. | |
3697 | * Uses the sysfs mbox to receive data from to the adapter. | |
3698 | * | |
3699 | * Returns: | |
3700 | * -ERANGE off greater than mailbox command size | |
3701 | * -EINVAL off, count or buff address invalid | |
3702 | * zero if off and count are zero | |
3703 | * -EACCES adapter over temp | |
3704 | * -EPERM garbage can value to catch a multitude of errors | |
3705 | * -EAGAIN management IO not permitted, state or off error | |
3706 | * -ETIME mailbox timeout | |
3707 | * -ENODEV mailbox error | |
3708 | * count number of bytes transferred | |
3709 | **/ | |
dea3101e | 3710 | static ssize_t |
2c3c8bea CW |
3711 | sysfs_mbox_read(struct file *filp, struct kobject *kobj, |
3712 | struct bin_attribute *bin_attr, | |
91a69029 | 3713 | char *buf, loff_t off, size_t count) |
dea3101e | 3714 | { |
ee959b00 TJ |
3715 | struct device *dev = container_of(kobj, struct device, kobj); |
3716 | struct Scsi_Host *shost = class_to_shost(dev); | |
2e0fef85 JS |
3717 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3718 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 3719 | int rc; |
04c68496 | 3720 | MAILBOX_t *pmb; |
dea3101e | 3721 | |
1dcb58e5 | 3722 | if (off > MAILBOX_CMD_SIZE) |
dea3101e | 3723 | return -ERANGE; |
3724 | ||
1dcb58e5 JS |
3725 | if ((count + off) > MAILBOX_CMD_SIZE) |
3726 | count = MAILBOX_CMD_SIZE - off; | |
dea3101e | 3727 | |
3728 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
3729 | return -EINVAL; | |
3730 | ||
3731 | if (off && count == 0) | |
3732 | return 0; | |
3733 | ||
2e0fef85 | 3734 | spin_lock_irq(&phba->hbalock); |
dea3101e | 3735 | |
7af67051 JS |
3736 | if (phba->over_temp_state == HBA_OVER_TEMP) { |
3737 | sysfs_mbox_idle(phba); | |
3738 | spin_unlock_irq(&phba->hbalock); | |
09372820 | 3739 | return -EACCES; |
7af67051 JS |
3740 | } |
3741 | ||
dea3101e | 3742 | if (off == 0 && |
3743 | phba->sysfs_mbox.state == SMBOX_WRITING && | |
3744 | phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) { | |
04c68496 JS |
3745 | pmb = &phba->sysfs_mbox.mbox->u.mb; |
3746 | switch (pmb->mbxCommand) { | |
dea3101e | 3747 | /* Offline only */ |
dea3101e | 3748 | case MBX_INIT_LINK: |
3749 | case MBX_DOWN_LINK: | |
3750 | case MBX_CONFIG_LINK: | |
3751 | case MBX_CONFIG_RING: | |
3752 | case MBX_RESET_RING: | |
3753 | case MBX_UNREG_LOGIN: | |
3754 | case MBX_CLEAR_LA: | |
3755 | case MBX_DUMP_CONTEXT: | |
3756 | case MBX_RUN_DIAGS: | |
3757 | case MBX_RESTART: | |
dea3101e | 3758 | case MBX_SET_MASK: |
dea3101e | 3759 | case MBX_SET_DEBUG: |
2e0fef85 | 3760 | if (!(vport->fc_flag & FC_OFFLINE_MODE)) { |
dea3101e | 3761 | printk(KERN_WARNING "mbox_read:Command 0x%x " |
3762 | "is illegal in on-line state\n", | |
04c68496 | 3763 | pmb->mbxCommand); |
dea3101e | 3764 | sysfs_mbox_idle(phba); |
2e0fef85 | 3765 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3766 | return -EPERM; |
3767 | } | |
a8adb832 JS |
3768 | case MBX_WRITE_NV: |
3769 | case MBX_WRITE_VPARMS: | |
dea3101e | 3770 | case MBX_LOAD_SM: |
3771 | case MBX_READ_NV: | |
3772 | case MBX_READ_CONFIG: | |
3773 | case MBX_READ_RCONFIG: | |
3774 | case MBX_READ_STATUS: | |
3775 | case MBX_READ_XRI: | |
3776 | case MBX_READ_REV: | |
3777 | case MBX_READ_LNK_STAT: | |
3778 | case MBX_DUMP_MEMORY: | |
3779 | case MBX_DOWN_LOAD: | |
3780 | case MBX_UPDATE_CFG: | |
41415862 | 3781 | case MBX_KILL_BOARD: |
dea3101e | 3782 | case MBX_LOAD_AREA: |
3783 | case MBX_LOAD_EXP_ROM: | |
41415862 JW |
3784 | case MBX_BEACON: |
3785 | case MBX_DEL_LD_ENTRY: | |
09372820 JS |
3786 | case MBX_SET_VARIABLE: |
3787 | case MBX_WRITE_WWN: | |
84774a4d JS |
3788 | case MBX_PORT_CAPABILITIES: |
3789 | case MBX_PORT_IOV_CONTROL: | |
dea3101e | 3790 | break; |
dcf2a4e0 JS |
3791 | case MBX_SECURITY_MGMT: |
3792 | case MBX_AUTH_PORT: | |
5989b8d4 JS |
3793 | if (phba->pci_dev_grp == LPFC_PCI_DEV_OC) { |
3794 | printk(KERN_WARNING "mbox_read:Command 0x%x " | |
3795 | "is not permitted\n", pmb->mbxCommand); | |
3796 | sysfs_mbox_idle(phba); | |
3797 | spin_unlock_irq(&phba->hbalock); | |
dcf2a4e0 | 3798 | return -EPERM; |
5989b8d4 | 3799 | } |
dcf2a4e0 | 3800 | break; |
dea3101e | 3801 | case MBX_READ_SPARM64: |
76a95d75 | 3802 | case MBX_READ_TOPOLOGY: |
dea3101e | 3803 | case MBX_REG_LOGIN: |
3804 | case MBX_REG_LOGIN64: | |
3805 | case MBX_CONFIG_PORT: | |
3806 | case MBX_RUN_BIU_DIAG: | |
3807 | printk(KERN_WARNING "mbox_read: Illegal Command 0x%x\n", | |
04c68496 | 3808 | pmb->mbxCommand); |
dea3101e | 3809 | sysfs_mbox_idle(phba); |
2e0fef85 | 3810 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3811 | return -EPERM; |
3812 | default: | |
3813 | printk(KERN_WARNING "mbox_read: Unknown Command 0x%x\n", | |
04c68496 | 3814 | pmb->mbxCommand); |
dea3101e | 3815 | sysfs_mbox_idle(phba); |
2e0fef85 | 3816 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3817 | return -EPERM; |
3818 | } | |
3819 | ||
09372820 | 3820 | /* If HBA encountered an error attention, allow only DUMP |
1b32f6aa | 3821 | * or RESTART mailbox commands until the HBA is restarted. |
09372820 | 3822 | */ |
d7c255b2 | 3823 | if (phba->pport->stopped && |
04c68496 JS |
3824 | pmb->mbxCommand != MBX_DUMP_MEMORY && |
3825 | pmb->mbxCommand != MBX_RESTART && | |
3826 | pmb->mbxCommand != MBX_WRITE_VPARMS && | |
3827 | pmb->mbxCommand != MBX_WRITE_WWN) | |
d7c255b2 JS |
3828 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, |
3829 | "1259 mbox: Issued mailbox cmd " | |
3830 | "0x%x while in stopped state.\n", | |
04c68496 | 3831 | pmb->mbxCommand); |
09372820 | 3832 | |
92d7f7b0 JS |
3833 | phba->sysfs_mbox.mbox->vport = vport; |
3834 | ||
58da1ffb JS |
3835 | /* Don't allow mailbox commands to be sent when blocked |
3836 | * or when in the middle of discovery | |
3837 | */ | |
495a714c | 3838 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) { |
46fa311e | 3839 | sysfs_mbox_idle(phba); |
2e0fef85 | 3840 | spin_unlock_irq(&phba->hbalock); |
46fa311e JS |
3841 | return -EAGAIN; |
3842 | } | |
3843 | ||
2e0fef85 | 3844 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
f4b4c68f | 3845 | (!(phba->sli.sli_flag & LPFC_SLI_ACTIVE))) { |
dea3101e | 3846 | |
2e0fef85 | 3847 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3848 | rc = lpfc_sli_issue_mbox (phba, |
3849 | phba->sysfs_mbox.mbox, | |
3850 | MBX_POLL); | |
2e0fef85 | 3851 | spin_lock_irq(&phba->hbalock); |
dea3101e | 3852 | |
3853 | } else { | |
2e0fef85 | 3854 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3855 | rc = lpfc_sli_issue_mbox_wait (phba, |
3856 | phba->sysfs_mbox.mbox, | |
04c68496 | 3857 | lpfc_mbox_tmo_val(phba, pmb->mbxCommand) * HZ); |
2e0fef85 | 3858 | spin_lock_irq(&phba->hbalock); |
dea3101e | 3859 | } |
3860 | ||
3861 | if (rc != MBX_SUCCESS) { | |
1dcb58e5 | 3862 | if (rc == MBX_TIMEOUT) { |
1dcb58e5 JS |
3863 | phba->sysfs_mbox.mbox = NULL; |
3864 | } | |
dea3101e | 3865 | sysfs_mbox_idle(phba); |
2e0fef85 | 3866 | spin_unlock_irq(&phba->hbalock); |
8f6d98d2 | 3867 | return (rc == MBX_TIMEOUT) ? -ETIME : -ENODEV; |
dea3101e | 3868 | } |
3869 | phba->sysfs_mbox.state = SMBOX_READING; | |
3870 | } | |
3871 | else if (phba->sysfs_mbox.offset != off || | |
3872 | phba->sysfs_mbox.state != SMBOX_READING) { | |
3873 | printk(KERN_WARNING "mbox_read: Bad State\n"); | |
3874 | sysfs_mbox_idle(phba); | |
2e0fef85 | 3875 | spin_unlock_irq(&phba->hbalock); |
8f6d98d2 | 3876 | return -EAGAIN; |
dea3101e | 3877 | } |
3878 | ||
04c68496 | 3879 | memcpy(buf, (uint8_t *) &pmb + off, count); |
dea3101e | 3880 | |
3881 | phba->sysfs_mbox.offset = off + count; | |
3882 | ||
1dcb58e5 | 3883 | if (phba->sysfs_mbox.offset == MAILBOX_CMD_SIZE) |
dea3101e | 3884 | sysfs_mbox_idle(phba); |
3885 | ||
2e0fef85 | 3886 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3887 | |
3888 | return count; | |
3889 | } | |
3890 | ||
3891 | static struct bin_attribute sysfs_mbox_attr = { | |
3892 | .attr = { | |
3893 | .name = "mbox", | |
3894 | .mode = S_IRUSR | S_IWUSR, | |
dea3101e | 3895 | }, |
1dcb58e5 | 3896 | .size = MAILBOX_CMD_SIZE, |
dea3101e | 3897 | .read = sysfs_mbox_read, |
3898 | .write = sysfs_mbox_write, | |
3899 | }; | |
3900 | ||
e59058c4 | 3901 | /** |
3621a710 | 3902 | * lpfc_alloc_sysfs_attr - Creates the ctlreg and mbox entries |
e59058c4 JS |
3903 | * @vport: address of lpfc vport structure. |
3904 | * | |
3905 | * Return codes: | |
3906 | * zero on success | |
3907 | * error return code from sysfs_create_bin_file() | |
3908 | **/ | |
dea3101e | 3909 | int |
2e0fef85 | 3910 | lpfc_alloc_sysfs_attr(struct lpfc_vport *vport) |
dea3101e | 3911 | { |
2e0fef85 | 3912 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 3913 | int error; |
3914 | ||
ee959b00 | 3915 | error = sysfs_create_bin_file(&shost->shost_dev.kobj, |
eada272d JS |
3916 | &sysfs_drvr_stat_data_attr); |
3917 | ||
3918 | /* Virtual ports do not need ctrl_reg and mbox */ | |
3919 | if (error || vport->port_type == LPFC_NPIV_PORT) | |
dea3101e | 3920 | goto out; |
3921 | ||
ee959b00 | 3922 | error = sysfs_create_bin_file(&shost->shost_dev.kobj, |
eada272d | 3923 | &sysfs_ctlreg_attr); |
dea3101e | 3924 | if (error) |
eada272d | 3925 | goto out_remove_stat_attr; |
dea3101e | 3926 | |
ea2151b4 | 3927 | error = sysfs_create_bin_file(&shost->shost_dev.kobj, |
eada272d | 3928 | &sysfs_mbox_attr); |
ea2151b4 | 3929 | if (error) |
eada272d | 3930 | goto out_remove_ctlreg_attr; |
ea2151b4 | 3931 | |
dea3101e | 3932 | return 0; |
3933 | out_remove_ctlreg_attr: | |
ee959b00 | 3934 | sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr); |
eada272d JS |
3935 | out_remove_stat_attr: |
3936 | sysfs_remove_bin_file(&shost->shost_dev.kobj, | |
3937 | &sysfs_drvr_stat_data_attr); | |
dea3101e | 3938 | out: |
3939 | return error; | |
3940 | } | |
3941 | ||
e59058c4 | 3942 | /** |
3621a710 | 3943 | * lpfc_free_sysfs_attr - Removes the ctlreg and mbox entries |
e59058c4 JS |
3944 | * @vport: address of lpfc vport structure. |
3945 | **/ | |
dea3101e | 3946 | void |
2e0fef85 | 3947 | lpfc_free_sysfs_attr(struct lpfc_vport *vport) |
dea3101e | 3948 | { |
2e0fef85 | 3949 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
ea2151b4 JS |
3950 | sysfs_remove_bin_file(&shost->shost_dev.kobj, |
3951 | &sysfs_drvr_stat_data_attr); | |
eada272d JS |
3952 | /* Virtual ports do not need ctrl_reg and mbox */ |
3953 | if (vport->port_type == LPFC_NPIV_PORT) | |
3954 | return; | |
ee959b00 TJ |
3955 | sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_mbox_attr); |
3956 | sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr); | |
dea3101e | 3957 | } |
3958 | ||
3959 | ||
3960 | /* | |
3961 | * Dynamic FC Host Attributes Support | |
3962 | */ | |
3963 | ||
e59058c4 | 3964 | /** |
3621a710 | 3965 | * lpfc_get_host_port_id - Copy the vport DID into the scsi host port id |
e59058c4 JS |
3966 | * @shost: kernel scsi host pointer. |
3967 | **/ | |
dea3101e | 3968 | static void |
3969 | lpfc_get_host_port_id(struct Scsi_Host *shost) | |
3970 | { | |
2e0fef85 JS |
3971 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3972 | ||
dea3101e | 3973 | /* note: fc_myDID already in cpu endianness */ |
2e0fef85 | 3974 | fc_host_port_id(shost) = vport->fc_myDID; |
dea3101e | 3975 | } |
3976 | ||
e59058c4 | 3977 | /** |
3621a710 | 3978 | * lpfc_get_host_port_type - Set the value of the scsi host port type |
e59058c4 JS |
3979 | * @shost: kernel scsi host pointer. |
3980 | **/ | |
dea3101e | 3981 | static void |
3982 | lpfc_get_host_port_type(struct Scsi_Host *shost) | |
3983 | { | |
2e0fef85 JS |
3984 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3985 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 3986 | |
3987 | spin_lock_irq(shost->host_lock); | |
3988 | ||
92d7f7b0 JS |
3989 | if (vport->port_type == LPFC_NPIV_PORT) { |
3990 | fc_host_port_type(shost) = FC_PORTTYPE_NPIV; | |
3991 | } else if (lpfc_is_link_up(phba)) { | |
76a95d75 | 3992 | if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { |
2e0fef85 | 3993 | if (vport->fc_flag & FC_PUBLIC_LOOP) |
dea3101e | 3994 | fc_host_port_type(shost) = FC_PORTTYPE_NLPORT; |
3995 | else | |
3996 | fc_host_port_type(shost) = FC_PORTTYPE_LPORT; | |
3997 | } else { | |
2e0fef85 | 3998 | if (vport->fc_flag & FC_FABRIC) |
dea3101e | 3999 | fc_host_port_type(shost) = FC_PORTTYPE_NPORT; |
4000 | else | |
4001 | fc_host_port_type(shost) = FC_PORTTYPE_PTP; | |
4002 | } | |
4003 | } else | |
4004 | fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN; | |
4005 | ||
4006 | spin_unlock_irq(shost->host_lock); | |
4007 | } | |
4008 | ||
e59058c4 | 4009 | /** |
3621a710 | 4010 | * lpfc_get_host_port_state - Set the value of the scsi host port state |
e59058c4 JS |
4011 | * @shost: kernel scsi host pointer. |
4012 | **/ | |
dea3101e | 4013 | static void |
4014 | lpfc_get_host_port_state(struct Scsi_Host *shost) | |
4015 | { | |
2e0fef85 JS |
4016 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
4017 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 4018 | |
4019 | spin_lock_irq(shost->host_lock); | |
4020 | ||
2e0fef85 | 4021 | if (vport->fc_flag & FC_OFFLINE_MODE) |
dea3101e | 4022 | fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE; |
4023 | else { | |
2e0fef85 JS |
4024 | switch (phba->link_state) { |
4025 | case LPFC_LINK_UNKNOWN: | |
dea3101e | 4026 | case LPFC_LINK_DOWN: |
4027 | fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN; | |
4028 | break; | |
4029 | case LPFC_LINK_UP: | |
dea3101e | 4030 | case LPFC_CLEAR_LA: |
4031 | case LPFC_HBA_READY: | |
4032 | /* Links up, beyond this port_type reports state */ | |
4033 | fc_host_port_state(shost) = FC_PORTSTATE_ONLINE; | |
4034 | break; | |
4035 | case LPFC_HBA_ERROR: | |
4036 | fc_host_port_state(shost) = FC_PORTSTATE_ERROR; | |
4037 | break; | |
4038 | default: | |
4039 | fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN; | |
4040 | break; | |
4041 | } | |
4042 | } | |
4043 | ||
4044 | spin_unlock_irq(shost->host_lock); | |
4045 | } | |
4046 | ||
e59058c4 | 4047 | /** |
3621a710 | 4048 | * lpfc_get_host_speed - Set the value of the scsi host speed |
e59058c4 JS |
4049 | * @shost: kernel scsi host pointer. |
4050 | **/ | |
dea3101e | 4051 | static void |
4052 | lpfc_get_host_speed(struct Scsi_Host *shost) | |
4053 | { | |
2e0fef85 JS |
4054 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
4055 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 4056 | |
4057 | spin_lock_irq(shost->host_lock); | |
4058 | ||
2e0fef85 | 4059 | if (lpfc_is_link_up(phba)) { |
dea3101e | 4060 | switch(phba->fc_linkspeed) { |
76a95d75 JS |
4061 | case LPFC_LINK_SPEED_1GHZ: |
4062 | fc_host_speed(shost) = FC_PORTSPEED_1GBIT; | |
dea3101e | 4063 | break; |
76a95d75 JS |
4064 | case LPFC_LINK_SPEED_2GHZ: |
4065 | fc_host_speed(shost) = FC_PORTSPEED_2GBIT; | |
dea3101e | 4066 | break; |
76a95d75 JS |
4067 | case LPFC_LINK_SPEED_4GHZ: |
4068 | fc_host_speed(shost) = FC_PORTSPEED_4GBIT; | |
dea3101e | 4069 | break; |
76a95d75 JS |
4070 | case LPFC_LINK_SPEED_8GHZ: |
4071 | fc_host_speed(shost) = FC_PORTSPEED_8GBIT; | |
b87eab38 | 4072 | break; |
76a95d75 JS |
4073 | case LPFC_LINK_SPEED_10GHZ: |
4074 | fc_host_speed(shost) = FC_PORTSPEED_10GBIT; | |
f4b4c68f | 4075 | break; |
76a95d75 JS |
4076 | case LPFC_LINK_SPEED_16GHZ: |
4077 | fc_host_speed(shost) = FC_PORTSPEED_16GBIT; | |
4078 | break; | |
4079 | default: | |
4080 | fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN; | |
dea3101e | 4081 | break; |
4082 | } | |
09372820 JS |
4083 | } else |
4084 | fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN; | |
dea3101e | 4085 | |
4086 | spin_unlock_irq(shost->host_lock); | |
4087 | } | |
4088 | ||
e59058c4 | 4089 | /** |
3621a710 | 4090 | * lpfc_get_host_fabric_name - Set the value of the scsi host fabric name |
e59058c4 JS |
4091 | * @shost: kernel scsi host pointer. |
4092 | **/ | |
dea3101e | 4093 | static void |
4094 | lpfc_get_host_fabric_name (struct Scsi_Host *shost) | |
4095 | { | |
2e0fef85 JS |
4096 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
4097 | struct lpfc_hba *phba = vport->phba; | |
f631b4be | 4098 | u64 node_name; |
dea3101e | 4099 | |
4100 | spin_lock_irq(shost->host_lock); | |
4101 | ||
2e0fef85 | 4102 | if ((vport->fc_flag & FC_FABRIC) || |
76a95d75 | 4103 | ((phba->fc_topology == LPFC_TOPOLOGY_LOOP) && |
2e0fef85 | 4104 | (vport->fc_flag & FC_PUBLIC_LOOP))) |
68ce1eb5 | 4105 | node_name = wwn_to_u64(phba->fc_fabparam.nodeName.u.wwn); |
dea3101e | 4106 | else |
4107 | /* fabric is local port if there is no F/FL_Port */ | |
09372820 | 4108 | node_name = 0; |
dea3101e | 4109 | |
4110 | spin_unlock_irq(shost->host_lock); | |
4111 | ||
f631b4be | 4112 | fc_host_fabric_name(shost) = node_name; |
dea3101e | 4113 | } |
4114 | ||
e59058c4 | 4115 | /** |
3621a710 | 4116 | * lpfc_get_stats - Return statistical information about the adapter |
e59058c4 JS |
4117 | * @shost: kernel scsi host pointer. |
4118 | * | |
4119 | * Notes: | |
4120 | * NULL on error for link down, no mbox pool, sli2 active, | |
4121 | * management not allowed, memory allocation error, or mbox error. | |
4122 | * | |
4123 | * Returns: | |
4124 | * NULL for error | |
4125 | * address of the adapter host statistics | |
4126 | **/ | |
dea3101e | 4127 | static struct fc_host_statistics * |
4128 | lpfc_get_stats(struct Scsi_Host *shost) | |
4129 | { | |
2e0fef85 JS |
4130 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
4131 | struct lpfc_hba *phba = vport->phba; | |
4132 | struct lpfc_sli *psli = &phba->sli; | |
f888ba3c | 4133 | struct fc_host_statistics *hs = &phba->link_stats; |
64ba8818 | 4134 | struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets; |
dea3101e | 4135 | LPFC_MBOXQ_t *pmboxq; |
4136 | MAILBOX_t *pmb; | |
64ba8818 | 4137 | unsigned long seconds; |
433c3579 | 4138 | int rc = 0; |
dea3101e | 4139 | |
92d7f7b0 JS |
4140 | /* |
4141 | * prevent udev from issuing mailbox commands until the port is | |
4142 | * configured. | |
4143 | */ | |
2e0fef85 JS |
4144 | if (phba->link_state < LPFC_LINK_DOWN || |
4145 | !phba->mbox_mem_pool || | |
f4b4c68f | 4146 | (phba->sli.sli_flag & LPFC_SLI_ACTIVE) == 0) |
92d7f7b0 | 4147 | return NULL; |
2e0fef85 JS |
4148 | |
4149 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) | |
46fa311e JS |
4150 | return NULL; |
4151 | ||
dea3101e | 4152 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
4153 | if (!pmboxq) | |
4154 | return NULL; | |
4155 | memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); | |
4156 | ||
04c68496 | 4157 | pmb = &pmboxq->u.mb; |
dea3101e | 4158 | pmb->mbxCommand = MBX_READ_STATUS; |
4159 | pmb->mbxOwner = OWN_HOST; | |
4160 | pmboxq->context1 = NULL; | |
92d7f7b0 | 4161 | pmboxq->vport = vport; |
dea3101e | 4162 | |
75baf696 | 4163 | if (vport->fc_flag & FC_OFFLINE_MODE) |
dea3101e | 4164 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
433c3579 | 4165 | else |
dea3101e | 4166 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); |
4167 | ||
4168 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 4169 | if (rc != MBX_TIMEOUT) |
433c3579 | 4170 | mempool_free(pmboxq, phba->mbox_mem_pool); |
dea3101e | 4171 | return NULL; |
4172 | } | |
4173 | ||
f888ba3c JSEC |
4174 | memset(hs, 0, sizeof (struct fc_host_statistics)); |
4175 | ||
dea3101e | 4176 | hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt; |
4177 | hs->tx_words = (pmb->un.varRdStatus.xmitByteCnt * 256); | |
4178 | hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt; | |
4179 | hs->rx_words = (pmb->un.varRdStatus.rcvByteCnt * 256); | |
4180 | ||
433c3579 | 4181 | memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); |
dea3101e | 4182 | pmb->mbxCommand = MBX_READ_LNK_STAT; |
4183 | pmb->mbxOwner = OWN_HOST; | |
4184 | pmboxq->context1 = NULL; | |
92d7f7b0 | 4185 | pmboxq->vport = vport; |
dea3101e | 4186 | |
75baf696 | 4187 | if (vport->fc_flag & FC_OFFLINE_MODE) |
dea3101e | 4188 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
433c3579 | 4189 | else |
dea3101e | 4190 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); |
4191 | ||
4192 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 4193 | if (rc != MBX_TIMEOUT) |
92d7f7b0 | 4194 | mempool_free(pmboxq, phba->mbox_mem_pool); |
dea3101e | 4195 | return NULL; |
4196 | } | |
4197 | ||
4198 | hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt; | |
4199 | hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt; | |
4200 | hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt; | |
4201 | hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt; | |
4202 | hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord; | |
4203 | hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt; | |
4204 | hs->error_frames = pmb->un.varRdLnk.crcCnt; | |
4205 | ||
64ba8818 JS |
4206 | hs->link_failure_count -= lso->link_failure_count; |
4207 | hs->loss_of_sync_count -= lso->loss_of_sync_count; | |
4208 | hs->loss_of_signal_count -= lso->loss_of_signal_count; | |
4209 | hs->prim_seq_protocol_err_count -= lso->prim_seq_protocol_err_count; | |
4210 | hs->invalid_tx_word_count -= lso->invalid_tx_word_count; | |
4211 | hs->invalid_crc_count -= lso->invalid_crc_count; | |
4212 | hs->error_frames -= lso->error_frames; | |
4213 | ||
76a95d75 | 4214 | if (phba->hba_flag & HBA_FCOE_MODE) { |
4d9ab994 JS |
4215 | hs->lip_count = -1; |
4216 | hs->nos_count = (phba->link_events >> 1); | |
4217 | hs->nos_count -= lso->link_events; | |
76a95d75 | 4218 | } else if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { |
dea3101e | 4219 | hs->lip_count = (phba->fc_eventTag >> 1); |
64ba8818 | 4220 | hs->lip_count -= lso->link_events; |
dea3101e | 4221 | hs->nos_count = -1; |
4222 | } else { | |
4223 | hs->lip_count = -1; | |
4224 | hs->nos_count = (phba->fc_eventTag >> 1); | |
64ba8818 | 4225 | hs->nos_count -= lso->link_events; |
dea3101e | 4226 | } |
4227 | ||
4228 | hs->dumped_frames = -1; | |
4229 | ||
64ba8818 JS |
4230 | seconds = get_seconds(); |
4231 | if (seconds < psli->stats_start) | |
4232 | hs->seconds_since_last_reset = seconds + | |
4233 | ((unsigned long)-1 - psli->stats_start); | |
4234 | else | |
4235 | hs->seconds_since_last_reset = seconds - psli->stats_start; | |
dea3101e | 4236 | |
1dcb58e5 JS |
4237 | mempool_free(pmboxq, phba->mbox_mem_pool); |
4238 | ||
dea3101e | 4239 | return hs; |
4240 | } | |
4241 | ||
e59058c4 | 4242 | /** |
3621a710 | 4243 | * lpfc_reset_stats - Copy the adapter link stats information |
e59058c4 JS |
4244 | * @shost: kernel scsi host pointer. |
4245 | **/ | |
64ba8818 JS |
4246 | static void |
4247 | lpfc_reset_stats(struct Scsi_Host *shost) | |
4248 | { | |
2e0fef85 JS |
4249 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
4250 | struct lpfc_hba *phba = vport->phba; | |
4251 | struct lpfc_sli *psli = &phba->sli; | |
4252 | struct lpfc_lnk_stat *lso = &psli->lnk_stat_offsets; | |
64ba8818 JS |
4253 | LPFC_MBOXQ_t *pmboxq; |
4254 | MAILBOX_t *pmb; | |
4255 | int rc = 0; | |
4256 | ||
2e0fef85 | 4257 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) |
46fa311e JS |
4258 | return; |
4259 | ||
64ba8818 JS |
4260 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
4261 | if (!pmboxq) | |
4262 | return; | |
4263 | memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t)); | |
4264 | ||
04c68496 | 4265 | pmb = &pmboxq->u.mb; |
64ba8818 JS |
4266 | pmb->mbxCommand = MBX_READ_STATUS; |
4267 | pmb->mbxOwner = OWN_HOST; | |
4268 | pmb->un.varWords[0] = 0x1; /* reset request */ | |
4269 | pmboxq->context1 = NULL; | |
92d7f7b0 | 4270 | pmboxq->vport = vport; |
64ba8818 | 4271 | |
2e0fef85 | 4272 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
f4b4c68f | 4273 | (!(psli->sli_flag & LPFC_SLI_ACTIVE))) |
64ba8818 JS |
4274 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
4275 | else | |
4276 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); | |
4277 | ||
4278 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 4279 | if (rc != MBX_TIMEOUT) |
64ba8818 JS |
4280 | mempool_free(pmboxq, phba->mbox_mem_pool); |
4281 | return; | |
4282 | } | |
4283 | ||
4284 | memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t)); | |
4285 | pmb->mbxCommand = MBX_READ_LNK_STAT; | |
4286 | pmb->mbxOwner = OWN_HOST; | |
4287 | pmboxq->context1 = NULL; | |
92d7f7b0 | 4288 | pmboxq->vport = vport; |
64ba8818 | 4289 | |
2e0fef85 | 4290 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
f4b4c68f | 4291 | (!(psli->sli_flag & LPFC_SLI_ACTIVE))) |
64ba8818 JS |
4292 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
4293 | else | |
4294 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); | |
4295 | ||
4296 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 4297 | if (rc != MBX_TIMEOUT) |
64ba8818 JS |
4298 | mempool_free( pmboxq, phba->mbox_mem_pool); |
4299 | return; | |
4300 | } | |
4301 | ||
4302 | lso->link_failure_count = pmb->un.varRdLnk.linkFailureCnt; | |
4303 | lso->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt; | |
4304 | lso->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt; | |
4305 | lso->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt; | |
4306 | lso->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord; | |
4307 | lso->invalid_crc_count = pmb->un.varRdLnk.crcCnt; | |
4308 | lso->error_frames = pmb->un.varRdLnk.crcCnt; | |
76a95d75 | 4309 | if (phba->hba_flag & HBA_FCOE_MODE) |
4d9ab994 JS |
4310 | lso->link_events = (phba->link_events >> 1); |
4311 | else | |
4312 | lso->link_events = (phba->fc_eventTag >> 1); | |
64ba8818 JS |
4313 | |
4314 | psli->stats_start = get_seconds(); | |
4315 | ||
1dcb58e5 JS |
4316 | mempool_free(pmboxq, phba->mbox_mem_pool); |
4317 | ||
64ba8818 JS |
4318 | return; |
4319 | } | |
dea3101e | 4320 | |
4321 | /* | |
4322 | * The LPFC driver treats linkdown handling as target loss events so there | |
4323 | * are no sysfs handlers for link_down_tmo. | |
4324 | */ | |
685f0bf7 | 4325 | |
e59058c4 | 4326 | /** |
3621a710 | 4327 | * lpfc_get_node_by_target - Return the nodelist for a target |
e59058c4 JS |
4328 | * @starget: kernel scsi target pointer. |
4329 | * | |
4330 | * Returns: | |
4331 | * address of the node list if found | |
4332 | * NULL target not found | |
4333 | **/ | |
685f0bf7 JS |
4334 | static struct lpfc_nodelist * |
4335 | lpfc_get_node_by_target(struct scsi_target *starget) | |
dea3101e | 4336 | { |
2e0fef85 JS |
4337 | struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); |
4338 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
685f0bf7 | 4339 | struct lpfc_nodelist *ndlp; |
dea3101e | 4340 | |
4341 | spin_lock_irq(shost->host_lock); | |
685f0bf7 | 4342 | /* Search for this, mapped, target ID */ |
2e0fef85 | 4343 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
e47c9093 JS |
4344 | if (NLP_CHK_NODE_ACT(ndlp) && |
4345 | ndlp->nlp_state == NLP_STE_MAPPED_NODE && | |
685f0bf7 JS |
4346 | starget->id == ndlp->nlp_sid) { |
4347 | spin_unlock_irq(shost->host_lock); | |
4348 | return ndlp; | |
dea3101e | 4349 | } |
4350 | } | |
4351 | spin_unlock_irq(shost->host_lock); | |
685f0bf7 JS |
4352 | return NULL; |
4353 | } | |
dea3101e | 4354 | |
e59058c4 | 4355 | /** |
3621a710 | 4356 | * lpfc_get_starget_port_id - Set the target port id to the ndlp DID or -1 |
e59058c4 JS |
4357 | * @starget: kernel scsi target pointer. |
4358 | **/ | |
685f0bf7 JS |
4359 | static void |
4360 | lpfc_get_starget_port_id(struct scsi_target *starget) | |
4361 | { | |
4362 | struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); | |
4363 | ||
4364 | fc_starget_port_id(starget) = ndlp ? ndlp->nlp_DID : -1; | |
dea3101e | 4365 | } |
4366 | ||
e59058c4 | 4367 | /** |
3621a710 | 4368 | * lpfc_get_starget_node_name - Set the target node name |
e59058c4 JS |
4369 | * @starget: kernel scsi target pointer. |
4370 | * | |
4371 | * Description: Set the target node name to the ndlp node name wwn or zero. | |
4372 | **/ | |
dea3101e | 4373 | static void |
4374 | lpfc_get_starget_node_name(struct scsi_target *starget) | |
4375 | { | |
685f0bf7 | 4376 | struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); |
dea3101e | 4377 | |
685f0bf7 JS |
4378 | fc_starget_node_name(starget) = |
4379 | ndlp ? wwn_to_u64(ndlp->nlp_nodename.u.wwn) : 0; | |
dea3101e | 4380 | } |
4381 | ||
e59058c4 | 4382 | /** |
3621a710 | 4383 | * lpfc_get_starget_port_name - Set the target port name |
e59058c4 JS |
4384 | * @starget: kernel scsi target pointer. |
4385 | * | |
4386 | * Description: set the target port name to the ndlp port name wwn or zero. | |
4387 | **/ | |
dea3101e | 4388 | static void |
4389 | lpfc_get_starget_port_name(struct scsi_target *starget) | |
4390 | { | |
685f0bf7 | 4391 | struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); |
dea3101e | 4392 | |
685f0bf7 JS |
4393 | fc_starget_port_name(starget) = |
4394 | ndlp ? wwn_to_u64(ndlp->nlp_portname.u.wwn) : 0; | |
dea3101e | 4395 | } |
4396 | ||
e59058c4 | 4397 | /** |
3621a710 | 4398 | * lpfc_set_rport_loss_tmo - Set the rport dev loss tmo |
e59058c4 JS |
4399 | * @rport: fc rport address. |
4400 | * @timeout: new value for dev loss tmo. | |
4401 | * | |
4402 | * Description: | |
4403 | * If timeout is non zero set the dev_loss_tmo to timeout, else set | |
4404 | * dev_loss_tmo to one. | |
4405 | **/ | |
dea3101e | 4406 | static void |
4407 | lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout) | |
4408 | { | |
dea3101e | 4409 | if (timeout) |
c01f3208 | 4410 | rport->dev_loss_tmo = timeout; |
dea3101e | 4411 | else |
c01f3208 | 4412 | rport->dev_loss_tmo = 1; |
dea3101e | 4413 | } |
4414 | ||
e59058c4 | 4415 | /** |
3621a710 | 4416 | * lpfc_rport_show_function - Return rport target information |
e59058c4 JS |
4417 | * |
4418 | * Description: | |
4419 | * Macro that uses field to generate a function with the name lpfc_show_rport_ | |
4420 | * | |
4421 | * lpfc_show_rport_##field: returns the bytes formatted in buf | |
4422 | * @cdev: class converted to an fc_rport. | |
4423 | * @buf: on return contains the target_field or zero. | |
4424 | * | |
4425 | * Returns: size of formatted string. | |
4426 | **/ | |
dea3101e | 4427 | #define lpfc_rport_show_function(field, format_string, sz, cast) \ |
4428 | static ssize_t \ | |
ee959b00 TJ |
4429 | lpfc_show_rport_##field (struct device *dev, \ |
4430 | struct device_attribute *attr, \ | |
4431 | char *buf) \ | |
dea3101e | 4432 | { \ |
ee959b00 | 4433 | struct fc_rport *rport = transport_class_to_rport(dev); \ |
dea3101e | 4434 | struct lpfc_rport_data *rdata = rport->hostdata; \ |
4435 | return snprintf(buf, sz, format_string, \ | |
4436 | (rdata->target) ? cast rdata->target->field : 0); \ | |
4437 | } | |
4438 | ||
4439 | #define lpfc_rport_rd_attr(field, format_string, sz) \ | |
4440 | lpfc_rport_show_function(field, format_string, sz, ) \ | |
4441 | static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL) | |
4442 | ||
eada272d | 4443 | /** |
3621a710 | 4444 | * lpfc_set_vport_symbolic_name - Set the vport's symbolic name |
eada272d JS |
4445 | * @fc_vport: The fc_vport who's symbolic name has been changed. |
4446 | * | |
4447 | * Description: | |
4448 | * This function is called by the transport after the @fc_vport's symbolic name | |
4449 | * has been changed. This function re-registers the symbolic name with the | |
4450 | * switch to propogate the change into the fabric if the vport is active. | |
4451 | **/ | |
4452 | static void | |
4453 | lpfc_set_vport_symbolic_name(struct fc_vport *fc_vport) | |
4454 | { | |
4455 | struct lpfc_vport *vport = *(struct lpfc_vport **)fc_vport->dd_data; | |
4456 | ||
4457 | if (vport->port_state == LPFC_VPORT_READY) | |
4458 | lpfc_ns_cmd(vport, SLI_CTNS_RSPN_ID, 0, 0); | |
4459 | } | |
dea3101e | 4460 | |
f4b4c68f JS |
4461 | /** |
4462 | * lpfc_hba_log_verbose_init - Set hba's log verbose level | |
4463 | * @phba: Pointer to lpfc_hba struct. | |
4464 | * | |
4465 | * This function is called by the lpfc_get_cfgparam() routine to set the | |
4466 | * module lpfc_log_verbose into the @phba cfg_log_verbose for use with | |
4467 | * log messsage according to the module's lpfc_log_verbose parameter setting | |
4468 | * before hba port or vport created. | |
4469 | **/ | |
4470 | static void | |
4471 | lpfc_hba_log_verbose_init(struct lpfc_hba *phba, uint32_t verbose) | |
4472 | { | |
4473 | phba->cfg_log_verbose = verbose; | |
4474 | } | |
4475 | ||
dea3101e | 4476 | struct fc_function_template lpfc_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, | |
dea3101e | 4482 | .show_host_supported_speeds = 1, |
4483 | .show_host_maxframe_size = 1, | |
eada272d | 4484 | .show_host_symbolic_name = 1, |
dea3101e | 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, | |
64ba8818 | 4511 | .reset_fc_host_stats = lpfc_reset_stats, |
dea3101e | 4512 | |
4513 | .dd_fcrport_size = sizeof(struct lpfc_rport_data), | |
4514 | .show_rport_maxframe_size = 1, | |
4515 | .show_rport_supported_classes = 1, | |
4516 | ||
dea3101e | 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, | |
91ca7b01 AV |
4528 | |
4529 | .issue_fc_host_lip = lpfc_issue_lip, | |
c01f3208 JS |
4530 | .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk, |
4531 | .terminate_rport_io = lpfc_terminate_rport_io, | |
92d7f7b0 | 4532 | |
92d7f7b0 | 4533 | .dd_fcvport_size = sizeof(struct lpfc_vport *), |
eada272d JS |
4534 | |
4535 | .vport_disable = lpfc_vport_disable, | |
4536 | ||
4537 | .set_vport_symbolic_name = lpfc_set_vport_symbolic_name, | |
f1c3b0fc JS |
4538 | |
4539 | .bsg_request = lpfc_bsg_request, | |
4540 | .bsg_timeout = lpfc_bsg_timeout, | |
92d7f7b0 JS |
4541 | }; |
4542 | ||
98c9ea5c JS |
4543 | struct fc_function_template lpfc_vport_transport_functions = { |
4544 | /* fixed attributes the driver supports */ | |
4545 | .show_host_node_name = 1, | |
4546 | .show_host_port_name = 1, | |
4547 | .show_host_supported_classes = 1, | |
4548 | .show_host_supported_fc4s = 1, | |
4549 | .show_host_supported_speeds = 1, | |
4550 | .show_host_maxframe_size = 1, | |
eada272d | 4551 | .show_host_symbolic_name = 1, |
98c9ea5c JS |
4552 | |
4553 | /* dynamic attributes the driver supports */ | |
4554 | .get_host_port_id = lpfc_get_host_port_id, | |
4555 | .show_host_port_id = 1, | |
4556 | ||
4557 | .get_host_port_type = lpfc_get_host_port_type, | |
4558 | .show_host_port_type = 1, | |
4559 | ||
4560 | .get_host_port_state = lpfc_get_host_port_state, | |
4561 | .show_host_port_state = 1, | |
4562 | ||
4563 | /* active_fc4s is shown but doesn't change (thus no get function) */ | |
4564 | .show_host_active_fc4s = 1, | |
4565 | ||
4566 | .get_host_speed = lpfc_get_host_speed, | |
4567 | .show_host_speed = 1, | |
4568 | ||
4569 | .get_host_fabric_name = lpfc_get_host_fabric_name, | |
4570 | .show_host_fabric_name = 1, | |
4571 | ||
4572 | /* | |
4573 | * The LPFC driver treats linkdown handling as target loss events | |
4574 | * so there are no sysfs handlers for link_down_tmo. | |
4575 | */ | |
4576 | ||
4577 | .get_fc_host_stats = lpfc_get_stats, | |
4578 | .reset_fc_host_stats = lpfc_reset_stats, | |
4579 | ||
4580 | .dd_fcrport_size = sizeof(struct lpfc_rport_data), | |
4581 | .show_rport_maxframe_size = 1, | |
4582 | .show_rport_supported_classes = 1, | |
4583 | ||
4584 | .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo, | |
4585 | .show_rport_dev_loss_tmo = 1, | |
4586 | ||
4587 | .get_starget_port_id = lpfc_get_starget_port_id, | |
4588 | .show_starget_port_id = 1, | |
4589 | ||
4590 | .get_starget_node_name = lpfc_get_starget_node_name, | |
4591 | .show_starget_node_name = 1, | |
4592 | ||
4593 | .get_starget_port_name = lpfc_get_starget_port_name, | |
4594 | .show_starget_port_name = 1, | |
4595 | ||
4596 | .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk, | |
4597 | .terminate_rport_io = lpfc_terminate_rport_io, | |
4598 | ||
4599 | .vport_disable = lpfc_vport_disable, | |
eada272d JS |
4600 | |
4601 | .set_vport_symbolic_name = lpfc_set_vport_symbolic_name, | |
98c9ea5c JS |
4602 | }; |
4603 | ||
e59058c4 | 4604 | /** |
3621a710 | 4605 | * lpfc_get_cfgparam - Used during probe_one to init the adapter structure |
e59058c4 JS |
4606 | * @phba: lpfc_hba pointer. |
4607 | **/ | |
dea3101e | 4608 | void |
4609 | lpfc_get_cfgparam(struct lpfc_hba *phba) | |
4610 | { | |
7bcbb752 JSEC |
4611 | lpfc_cr_delay_init(phba, lpfc_cr_delay); |
4612 | lpfc_cr_count_init(phba, lpfc_cr_count); | |
cf5bf97e | 4613 | lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support); |
a4bc3379 JS |
4614 | lpfc_multi_ring_rctl_init(phba, lpfc_multi_ring_rctl); |
4615 | lpfc_multi_ring_type_init(phba, lpfc_multi_ring_type); | |
7bcbb752 JSEC |
4616 | lpfc_ack0_init(phba, lpfc_ack0); |
4617 | lpfc_topology_init(phba, lpfc_topology); | |
7bcbb752 | 4618 | lpfc_link_speed_init(phba, lpfc_link_speed); |
875fbdfe | 4619 | lpfc_poll_tmo_init(phba, lpfc_poll_tmo); |
78b2d852 | 4620 | lpfc_enable_npiv_init(phba, lpfc_enable_npiv); |
19ca7609 | 4621 | lpfc_enable_rrq_init(phba, lpfc_enable_rrq); |
4ff43246 | 4622 | lpfc_use_msi_init(phba, lpfc_use_msi); |
da0436e9 JS |
4623 | lpfc_fcp_imax_init(phba, lpfc_fcp_imax); |
4624 | lpfc_fcp_wq_count_init(phba, lpfc_fcp_wq_count); | |
4625 | lpfc_fcp_eq_count_init(phba, lpfc_fcp_eq_count); | |
13815c83 JS |
4626 | lpfc_enable_hba_reset_init(phba, lpfc_enable_hba_reset); |
4627 | lpfc_enable_hba_heartbeat_init(phba, lpfc_enable_hba_heartbeat); | |
81301a9b | 4628 | lpfc_enable_bg_init(phba, lpfc_enable_bg); |
45ed1190 JS |
4629 | if (phba->sli_rev == LPFC_SLI_REV4) |
4630 | phba->cfg_poll = 0; | |
4631 | else | |
875fbdfe | 4632 | phba->cfg_poll = lpfc_poll; |
a12e07bc | 4633 | phba->cfg_soft_wwnn = 0L; |
c3f28afa | 4634 | phba->cfg_soft_wwpn = 0L; |
83108bd3 | 4635 | lpfc_sg_seg_cnt_init(phba, lpfc_sg_seg_cnt); |
81301a9b | 4636 | lpfc_prot_sg_seg_cnt_init(phba, lpfc_prot_sg_seg_cnt); |
7054a606 | 4637 | lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth); |
6fb120a7 | 4638 | lpfc_hba_log_verbose_init(phba, lpfc_log_verbose); |
0d878419 | 4639 | lpfc_aer_support_init(phba, lpfc_aer_support); |
84d1b006 | 4640 | lpfc_suppress_link_up_init(phba, lpfc_suppress_link_up); |
2a9bf3d0 | 4641 | lpfc_iocb_cnt_init(phba, lpfc_iocb_cnt); |
3de2a653 JS |
4642 | return; |
4643 | } | |
b28485ac | 4644 | |
e59058c4 | 4645 | /** |
3621a710 | 4646 | * lpfc_get_vport_cfgparam - Used during port create, init the vport structure |
e59058c4 JS |
4647 | * @vport: lpfc_vport pointer. |
4648 | **/ | |
3de2a653 JS |
4649 | void |
4650 | lpfc_get_vport_cfgparam(struct lpfc_vport *vport) | |
4651 | { | |
e8b62011 | 4652 | lpfc_log_verbose_init(vport, lpfc_log_verbose); |
3de2a653 | 4653 | lpfc_lun_queue_depth_init(vport, lpfc_lun_queue_depth); |
7dc517df | 4654 | lpfc_tgt_queue_depth_init(vport, lpfc_tgt_queue_depth); |
3de2a653 JS |
4655 | lpfc_devloss_tmo_init(vport, lpfc_devloss_tmo); |
4656 | lpfc_nodev_tmo_init(vport, lpfc_nodev_tmo); | |
4657 | lpfc_peer_port_login_init(vport, lpfc_peer_port_login); | |
4658 | lpfc_restrict_login_init(vport, lpfc_restrict_login); | |
4659 | lpfc_fcp_class_init(vport, lpfc_fcp_class); | |
4660 | lpfc_use_adisc_init(vport, lpfc_use_adisc); | |
977b5a0a | 4661 | lpfc_max_scsicmpl_time_init(vport, lpfc_max_scsicmpl_time); |
3de2a653 JS |
4662 | lpfc_fdmi_on_init(vport, lpfc_fdmi_on); |
4663 | lpfc_discovery_threads_init(vport, lpfc_discovery_threads); | |
4664 | lpfc_max_luns_init(vport, lpfc_max_luns); | |
4665 | lpfc_scan_down_init(vport, lpfc_scan_down); | |
7ee5d43e | 4666 | lpfc_enable_da_id_init(vport, lpfc_enable_da_id); |
dea3101e | 4667 | return; |
4668 | } |