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. * |
09372820 | 4 | * Copyright (C) 2004-2008 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> | |
26 | ||
91886523 | 27 | #include <scsi/scsi.h> |
dea3101e | 28 | #include <scsi/scsi_device.h> |
29 | #include <scsi/scsi_host.h> | |
30 | #include <scsi/scsi_tcq.h> | |
31 | #include <scsi/scsi_transport_fc.h> | |
32 | ||
33 | #include "lpfc_hw.h" | |
34 | #include "lpfc_sli.h" | |
ea2151b4 | 35 | #include "lpfc_nl.h" |
dea3101e | 36 | #include "lpfc_disc.h" |
37 | #include "lpfc_scsi.h" | |
38 | #include "lpfc.h" | |
39 | #include "lpfc_logmsg.h" | |
40 | #include "lpfc_version.h" | |
41 | #include "lpfc_compat.h" | |
42 | #include "lpfc_crtn.h" | |
92d7f7b0 | 43 | #include "lpfc_vport.h" |
dea3101e | 44 | |
c01f3208 JS |
45 | #define LPFC_DEF_DEVLOSS_TMO 30 |
46 | #define LPFC_MIN_DEVLOSS_TMO 1 | |
47 | #define LPFC_MAX_DEVLOSS_TMO 255 | |
dea3101e | 48 | |
83108bd3 JS |
49 | #define LPFC_MAX_LINK_SPEED 8 |
50 | #define LPFC_LINK_SPEED_BITMAP 0x00000117 | |
51 | #define LPFC_LINK_SPEED_STRING "0, 1, 2, 4, 8" | |
52 | ||
e59058c4 | 53 | /** |
3621a710 | 54 | * lpfc_jedec_to_ascii - Hex to ascii convertor according to JEDEC rules |
e59058c4 JS |
55 | * @incr: integer to convert. |
56 | * @hdw: ascii string holding converted integer plus a string terminator. | |
57 | * | |
58 | * Description: | |
59 | * JEDEC Joint Electron Device Engineering Council. | |
60 | * Convert a 32 bit integer composed of 8 nibbles into an 8 byte ascii | |
61 | * character string. The string is then terminated with a NULL in byte 9. | |
62 | * Hex 0-9 becomes ascii '0' to '9'. | |
63 | * Hex a-f becomes ascii '=' to 'B' capital B. | |
64 | * | |
65 | * Notes: | |
66 | * Coded for 32 bit integers only. | |
67 | **/ | |
dea3101e | 68 | static void |
69 | lpfc_jedec_to_ascii(int incr, char hdw[]) | |
70 | { | |
71 | int i, j; | |
72 | for (i = 0; i < 8; i++) { | |
73 | j = (incr & 0xf); | |
74 | if (j <= 9) | |
75 | hdw[7 - i] = 0x30 + j; | |
76 | else | |
77 | hdw[7 - i] = 0x61 + j - 10; | |
78 | incr = (incr >> 4); | |
79 | } | |
80 | hdw[8] = 0; | |
81 | return; | |
82 | } | |
83 | ||
e59058c4 | 84 | /** |
3621a710 | 85 | * lpfc_drvr_version_show - Return the Emulex driver string with version number |
e59058c4 JS |
86 | * @dev: class unused variable. |
87 | * @attr: device attribute, not used. | |
88 | * @buf: on return contains the module description text. | |
89 | * | |
90 | * Returns: size of formatted string. | |
91 | **/ | |
dea3101e | 92 | static ssize_t |
ee959b00 TJ |
93 | lpfc_drvr_version_show(struct device *dev, struct device_attribute *attr, |
94 | char *buf) | |
dea3101e | 95 | { |
96 | return snprintf(buf, PAGE_SIZE, LPFC_MODULE_DESC "\n"); | |
97 | } | |
98 | ||
81301a9b JS |
99 | static ssize_t |
100 | lpfc_bg_info_show(struct device *dev, struct device_attribute *attr, | |
101 | char *buf) | |
102 | { | |
103 | struct Scsi_Host *shost = class_to_shost(dev); | |
104 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
105 | struct lpfc_hba *phba = vport->phba; | |
106 | ||
107 | if (phba->cfg_enable_bg) | |
108 | if (phba->sli3_options & LPFC_SLI3_BG_ENABLED) | |
109 | return snprintf(buf, PAGE_SIZE, "BlockGuard Enabled\n"); | |
110 | else | |
111 | return snprintf(buf, PAGE_SIZE, | |
112 | "BlockGuard Not Supported\n"); | |
113 | else | |
114 | return snprintf(buf, PAGE_SIZE, | |
115 | "BlockGuard Disabled\n"); | |
116 | } | |
117 | ||
118 | static ssize_t | |
119 | lpfc_bg_guard_err_show(struct device *dev, struct device_attribute *attr, | |
120 | char *buf) | |
121 | { | |
122 | struct Scsi_Host *shost = class_to_shost(dev); | |
123 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
124 | struct lpfc_hba *phba = vport->phba; | |
125 | ||
87b5c328 JS |
126 | return snprintf(buf, PAGE_SIZE, "%llu\n", |
127 | (unsigned long long)phba->bg_guard_err_cnt); | |
81301a9b JS |
128 | } |
129 | ||
130 | static ssize_t | |
131 | lpfc_bg_apptag_err_show(struct device *dev, struct device_attribute *attr, | |
132 | char *buf) | |
133 | { | |
134 | struct Scsi_Host *shost = class_to_shost(dev); | |
135 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
136 | struct lpfc_hba *phba = vport->phba; | |
137 | ||
87b5c328 JS |
138 | return snprintf(buf, PAGE_SIZE, "%llu\n", |
139 | (unsigned long long)phba->bg_apptag_err_cnt); | |
81301a9b JS |
140 | } |
141 | ||
142 | static ssize_t | |
143 | lpfc_bg_reftag_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_reftag_err_cnt); | |
81301a9b JS |
152 | } |
153 | ||
e59058c4 | 154 | /** |
3621a710 | 155 | * lpfc_info_show - Return some pci info about the host in ascii |
e59058c4 JS |
156 | * @dev: class converted to a Scsi_host structure. |
157 | * @attr: device attribute, not used. | |
158 | * @buf: on return contains the formatted text from lpfc_info(). | |
159 | * | |
160 | * Returns: size of formatted string. | |
161 | **/ | |
dea3101e | 162 | static ssize_t |
ee959b00 TJ |
163 | lpfc_info_show(struct device *dev, struct device_attribute *attr, |
164 | char *buf) | |
dea3101e | 165 | { |
ee959b00 | 166 | struct Scsi_Host *host = class_to_shost(dev); |
2e0fef85 | 167 | |
dea3101e | 168 | return snprintf(buf, PAGE_SIZE, "%s\n",lpfc_info(host)); |
169 | } | |
170 | ||
e59058c4 | 171 | /** |
3621a710 | 172 | * lpfc_serialnum_show - Return the hba serial number in ascii |
e59058c4 JS |
173 | * @dev: class converted to a Scsi_host structure. |
174 | * @attr: device attribute, not used. | |
175 | * @buf: on return contains the formatted text serial number. | |
176 | * | |
177 | * Returns: size of formatted string. | |
178 | **/ | |
dea3101e | 179 | static ssize_t |
ee959b00 TJ |
180 | lpfc_serialnum_show(struct device *dev, struct device_attribute *attr, |
181 | char *buf) | |
dea3101e | 182 | { |
ee959b00 | 183 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
184 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
185 | struct lpfc_hba *phba = vport->phba; | |
186 | ||
dea3101e | 187 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->SerialNumber); |
188 | } | |
189 | ||
e59058c4 | 190 | /** |
3621a710 | 191 | * lpfc_temp_sensor_show - Return the temperature sensor level |
e59058c4 JS |
192 | * @dev: class converted to a Scsi_host structure. |
193 | * @attr: device attribute, not used. | |
194 | * @buf: on return contains the formatted support level. | |
195 | * | |
196 | * Description: | |
197 | * Returns a number indicating the temperature sensor level currently | |
198 | * supported, zero or one in ascii. | |
199 | * | |
200 | * Returns: size of formatted string. | |
201 | **/ | |
57127f15 | 202 | static ssize_t |
ee959b00 TJ |
203 | lpfc_temp_sensor_show(struct device *dev, struct device_attribute *attr, |
204 | char *buf) | |
57127f15 | 205 | { |
ee959b00 | 206 | struct Scsi_Host *shost = class_to_shost(dev); |
57127f15 JS |
207 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
208 | struct lpfc_hba *phba = vport->phba; | |
209 | return snprintf(buf, PAGE_SIZE, "%d\n",phba->temp_sensor_support); | |
210 | } | |
211 | ||
e59058c4 | 212 | /** |
3621a710 | 213 | * lpfc_modeldesc_show - Return the model description of the hba |
e59058c4 JS |
214 | * @dev: class converted to a Scsi_host structure. |
215 | * @attr: device attribute, not used. | |
216 | * @buf: on return contains the scsi vpd model description. | |
217 | * | |
218 | * Returns: size of formatted string. | |
219 | **/ | |
dea3101e | 220 | static ssize_t |
ee959b00 TJ |
221 | lpfc_modeldesc_show(struct device *dev, struct device_attribute *attr, |
222 | char *buf) | |
dea3101e | 223 | { |
ee959b00 | 224 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
225 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
226 | struct lpfc_hba *phba = vport->phba; | |
227 | ||
dea3101e | 228 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelDesc); |
229 | } | |
230 | ||
e59058c4 | 231 | /** |
3621a710 | 232 | * lpfc_modelname_show - Return the model name of the hba |
e59058c4 JS |
233 | * @dev: class converted to a Scsi_host structure. |
234 | * @attr: device attribute, not used. | |
235 | * @buf: on return contains the scsi vpd model name. | |
236 | * | |
237 | * Returns: size of formatted string. | |
238 | **/ | |
dea3101e | 239 | static ssize_t |
ee959b00 TJ |
240 | lpfc_modelname_show(struct device *dev, struct device_attribute *attr, |
241 | char *buf) | |
dea3101e | 242 | { |
ee959b00 | 243 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
244 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
245 | struct lpfc_hba *phba = vport->phba; | |
246 | ||
dea3101e | 247 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelName); |
248 | } | |
249 | ||
e59058c4 | 250 | /** |
3621a710 | 251 | * lpfc_programtype_show - Return the program type of the hba |
e59058c4 JS |
252 | * @dev: class converted to a Scsi_host structure. |
253 | * @attr: device attribute, not used. | |
254 | * @buf: on return contains the scsi vpd program type. | |
255 | * | |
256 | * Returns: size of formatted string. | |
257 | **/ | |
dea3101e | 258 | static ssize_t |
ee959b00 TJ |
259 | lpfc_programtype_show(struct device *dev, struct device_attribute *attr, |
260 | char *buf) | |
dea3101e | 261 | { |
ee959b00 | 262 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
263 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
264 | struct lpfc_hba *phba = vport->phba; | |
265 | ||
dea3101e | 266 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->ProgramType); |
267 | } | |
268 | ||
84774a4d | 269 | /** |
3621a710 | 270 | * lpfc_mlomgmt_show - Return the Menlo Maintenance sli flag |
84774a4d JS |
271 | * @dev: class converted to a Scsi_host structure. |
272 | * @attr: device attribute, not used. | |
273 | * @buf: on return contains the Menlo Maintenance sli flag. | |
274 | * | |
275 | * Returns: size of formatted string. | |
276 | **/ | |
277 | static ssize_t | |
278 | lpfc_mlomgmt_show(struct device *dev, struct device_attribute *attr, char *buf) | |
279 | { | |
280 | struct Scsi_Host *shost = class_to_shost(dev); | |
281 | struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; | |
282 | struct lpfc_hba *phba = vport->phba; | |
283 | ||
284 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
285 | (phba->sli.sli_flag & LPFC_MENLO_MAINT)); | |
286 | } | |
287 | ||
e59058c4 | 288 | /** |
3621a710 | 289 | * lpfc_vportnum_show - Return the port number in ascii of the hba |
e59058c4 JS |
290 | * @dev: class converted to a Scsi_host structure. |
291 | * @attr: device attribute, not used. | |
292 | * @buf: on return contains scsi vpd program type. | |
293 | * | |
294 | * Returns: size of formatted string. | |
295 | **/ | |
dea3101e | 296 | static ssize_t |
ee959b00 TJ |
297 | lpfc_vportnum_show(struct device *dev, struct device_attribute *attr, |
298 | char *buf) | |
dea3101e | 299 | { |
ee959b00 | 300 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
301 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
302 | struct lpfc_hba *phba = vport->phba; | |
303 | ||
dea3101e | 304 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->Port); |
305 | } | |
306 | ||
e59058c4 | 307 | /** |
3621a710 | 308 | * lpfc_fwrev_show - Return the firmware rev running in the hba |
e59058c4 JS |
309 | * @dev: class converted to a Scsi_host structure. |
310 | * @attr: device attribute, not used. | |
311 | * @buf: on return contains the scsi vpd program type. | |
312 | * | |
313 | * Returns: size of formatted string. | |
314 | **/ | |
dea3101e | 315 | static ssize_t |
ee959b00 TJ |
316 | lpfc_fwrev_show(struct device *dev, struct device_attribute *attr, |
317 | char *buf) | |
dea3101e | 318 | { |
ee959b00 | 319 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
320 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
321 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 322 | char fwrev[32]; |
2e0fef85 | 323 | |
dea3101e | 324 | lpfc_decode_firmware_rev(phba, fwrev, 1); |
92d7f7b0 | 325 | return snprintf(buf, PAGE_SIZE, "%s, sli-%d\n", fwrev, phba->sli_rev); |
dea3101e | 326 | } |
327 | ||
e59058c4 | 328 | /** |
3621a710 | 329 | * lpfc_hdw_show - Return the jedec information about the hba |
e59058c4 JS |
330 | * @dev: class converted to a Scsi_host structure. |
331 | * @attr: device attribute, not used. | |
332 | * @buf: on return contains the scsi vpd program type. | |
333 | * | |
334 | * Returns: size of formatted string. | |
335 | **/ | |
dea3101e | 336 | static ssize_t |
ee959b00 | 337 | lpfc_hdw_show(struct device *dev, struct device_attribute *attr, char *buf) |
dea3101e | 338 | { |
339 | char hdw[9]; | |
ee959b00 | 340 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
341 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
342 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 343 | lpfc_vpd_t *vp = &phba->vpd; |
2e0fef85 | 344 | |
dea3101e | 345 | lpfc_jedec_to_ascii(vp->rev.biuRev, hdw); |
346 | return snprintf(buf, PAGE_SIZE, "%s\n", hdw); | |
347 | } | |
e59058c4 JS |
348 | |
349 | /** | |
3621a710 | 350 | * lpfc_option_rom_version_show - Return the adapter ROM FCode version |
e59058c4 JS |
351 | * @dev: class converted to a Scsi_host structure. |
352 | * @attr: device attribute, not used. | |
353 | * @buf: on return contains the ROM and FCode ascii strings. | |
354 | * | |
355 | * Returns: size of formatted string. | |
356 | **/ | |
dea3101e | 357 | static ssize_t |
ee959b00 TJ |
358 | lpfc_option_rom_version_show(struct device *dev, struct device_attribute *attr, |
359 | char *buf) | |
dea3101e | 360 | { |
ee959b00 | 361 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
362 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
363 | struct lpfc_hba *phba = vport->phba; | |
364 | ||
dea3101e | 365 | return snprintf(buf, PAGE_SIZE, "%s\n", phba->OptionROMVersion); |
366 | } | |
e59058c4 JS |
367 | |
368 | /** | |
3621a710 | 369 | * lpfc_state_show - Return the link state of the port |
e59058c4 JS |
370 | * @dev: class converted to a Scsi_host structure. |
371 | * @attr: device attribute, not used. | |
372 | * @buf: on return contains text describing the state of the link. | |
373 | * | |
374 | * Notes: | |
375 | * The switch statement has no default so zero will be returned. | |
376 | * | |
377 | * Returns: size of formatted string. | |
378 | **/ | |
dea3101e | 379 | static ssize_t |
bbd1ae41 HR |
380 | lpfc_link_state_show(struct device *dev, struct device_attribute *attr, |
381 | char *buf) | |
dea3101e | 382 | { |
ee959b00 | 383 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
384 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
385 | struct lpfc_hba *phba = vport->phba; | |
386 | int len = 0; | |
387 | ||
388 | switch (phba->link_state) { | |
389 | case LPFC_LINK_UNKNOWN: | |
41415862 | 390 | case LPFC_WARM_START: |
dea3101e | 391 | case LPFC_INIT_START: |
392 | case LPFC_INIT_MBX_CMDS: | |
393 | case LPFC_LINK_DOWN: | |
2e0fef85 | 394 | case LPFC_HBA_ERROR: |
dea3101e | 395 | len += snprintf(buf + len, PAGE_SIZE-len, "Link Down\n"); |
396 | break; | |
397 | case LPFC_LINK_UP: | |
dea3101e | 398 | case LPFC_CLEAR_LA: |
dea3101e | 399 | case LPFC_HBA_READY: |
a8adb832 | 400 | len += snprintf(buf + len, PAGE_SIZE-len, "Link Up - "); |
2e0fef85 JS |
401 | |
402 | switch (vport->port_state) { | |
2e0fef85 JS |
403 | case LPFC_LOCAL_CFG_LINK: |
404 | len += snprintf(buf + len, PAGE_SIZE-len, | |
92d7f7b0 | 405 | "Configuring Link\n"); |
2e0fef85 | 406 | break; |
92d7f7b0 | 407 | case LPFC_FDISC: |
2e0fef85 JS |
408 | case LPFC_FLOGI: |
409 | case LPFC_FABRIC_CFG_LINK: | |
410 | case LPFC_NS_REG: | |
411 | case LPFC_NS_QRY: | |
412 | case LPFC_BUILD_DISC_LIST: | |
413 | case LPFC_DISC_AUTH: | |
414 | len += snprintf(buf + len, PAGE_SIZE - len, | |
415 | "Discovery\n"); | |
416 | break; | |
417 | case LPFC_VPORT_READY: | |
418 | len += snprintf(buf + len, PAGE_SIZE - len, "Ready\n"); | |
419 | break; | |
420 | ||
92d7f7b0 JS |
421 | case LPFC_VPORT_FAILED: |
422 | len += snprintf(buf + len, PAGE_SIZE - len, "Failed\n"); | |
423 | break; | |
424 | ||
425 | case LPFC_VPORT_UNKNOWN: | |
2e0fef85 JS |
426 | len += snprintf(buf + len, PAGE_SIZE - len, |
427 | "Unknown\n"); | |
428 | break; | |
429 | } | |
84774a4d JS |
430 | if (phba->sli.sli_flag & LPFC_MENLO_MAINT) |
431 | len += snprintf(buf + len, PAGE_SIZE-len, | |
432 | " Menlo Maint Mode\n"); | |
433 | else if (phba->fc_topology == TOPOLOGY_LOOP) { | |
2e0fef85 | 434 | if (vport->fc_flag & FC_PUBLIC_LOOP) |
dea3101e | 435 | len += snprintf(buf + len, PAGE_SIZE-len, |
436 | " Public Loop\n"); | |
437 | else | |
438 | len += snprintf(buf + len, PAGE_SIZE-len, | |
439 | " Private Loop\n"); | |
440 | } else { | |
2e0fef85 | 441 | if (vport->fc_flag & FC_FABRIC) |
dea3101e | 442 | len += snprintf(buf + len, PAGE_SIZE-len, |
443 | " Fabric\n"); | |
444 | else | |
445 | len += snprintf(buf + len, PAGE_SIZE-len, | |
446 | " Point-2-Point\n"); | |
447 | } | |
448 | } | |
2e0fef85 | 449 | |
dea3101e | 450 | return len; |
451 | } | |
452 | ||
e59058c4 | 453 | /** |
3621a710 | 454 | * lpfc_num_discovered_ports_show - Return sum of mapped and unmapped vports |
e59058c4 JS |
455 | * @dev: class device that is converted into a Scsi_host. |
456 | * @attr: device attribute, not used. | |
457 | * @buf: on return contains the sum of fc mapped and unmapped. | |
458 | * | |
459 | * Description: | |
460 | * Returns the ascii text number of the sum of the fc mapped and unmapped | |
461 | * vport counts. | |
462 | * | |
463 | * Returns: size of formatted string. | |
464 | **/ | |
dea3101e | 465 | static ssize_t |
ee959b00 TJ |
466 | lpfc_num_discovered_ports_show(struct device *dev, |
467 | struct device_attribute *attr, char *buf) | |
dea3101e | 468 | { |
ee959b00 | 469 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
470 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
471 | ||
472 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
473 | vport->fc_map_cnt + vport->fc_unmap_cnt); | |
dea3101e | 474 | } |
475 | ||
e59058c4 | 476 | /** |
3621a710 | 477 | * lpfc_issue_lip - Misnomer, name carried over from long ago |
e59058c4 JS |
478 | * @shost: Scsi_Host pointer. |
479 | * | |
480 | * Description: | |
481 | * Bring the link down gracefully then re-init the link. The firmware will | |
482 | * re-init the fiber channel interface as required. Does not issue a LIP. | |
483 | * | |
484 | * Returns: | |
485 | * -EPERM port offline or management commands are being blocked | |
486 | * -ENOMEM cannot allocate memory for the mailbox command | |
487 | * -EIO error sending the mailbox command | |
488 | * zero for success | |
489 | **/ | |
91ca7b01 | 490 | static int |
2e0fef85 | 491 | lpfc_issue_lip(struct Scsi_Host *shost) |
dea3101e | 492 | { |
2e0fef85 JS |
493 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
494 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 495 | LPFC_MBOXQ_t *pmboxq; |
496 | int mbxstatus = MBXERR_ERROR; | |
497 | ||
2e0fef85 | 498 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
83108bd3 | 499 | (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)) |
dea3101e | 500 | return -EPERM; |
501 | ||
502 | pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL); | |
503 | ||
504 | if (!pmboxq) | |
505 | return -ENOMEM; | |
506 | ||
507 | memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t)); | |
4db621e0 JS |
508 | pmboxq->mb.mbxCommand = MBX_DOWN_LINK; |
509 | pmboxq->mb.mbxOwner = OWN_HOST; | |
510 | ||
33ccf8d1 | 511 | mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO * 2); |
dea3101e | 512 | |
4db621e0 JS |
513 | if ((mbxstatus == MBX_SUCCESS) && (pmboxq->mb.mbxStatus == 0)) { |
514 | memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t)); | |
515 | lpfc_init_link(phba, pmboxq, phba->cfg_topology, | |
516 | phba->cfg_link_speed); | |
517 | mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, | |
518 | phba->fc_ratov * 2); | |
519 | } | |
520 | ||
5b8bd0c9 | 521 | lpfc_set_loopback_flag(phba); |
858c9f6c | 522 | if (mbxstatus != MBX_TIMEOUT) |
433c3579 | 523 | mempool_free(pmboxq, phba->mbox_mem_pool); |
dea3101e | 524 | |
525 | if (mbxstatus == MBXERR_ERROR) | |
526 | return -EIO; | |
527 | ||
91ca7b01 | 528 | return 0; |
dea3101e | 529 | } |
530 | ||
e59058c4 | 531 | /** |
3621a710 | 532 | * lpfc_do_offline - Issues a mailbox command to bring the link down |
e59058c4 JS |
533 | * @phba: lpfc_hba pointer. |
534 | * @type: LPFC_EVT_OFFLINE, LPFC_EVT_WARM_START, LPFC_EVT_KILL. | |
535 | * | |
536 | * Notes: | |
537 | * Assumes any error from lpfc_do_offline() will be negative. | |
538 | * Can wait up to 5 seconds for the port ring buffers count | |
539 | * to reach zero, prints a warning if it is not zero and continues. | |
3621a710 | 540 | * lpfc_workq_post_event() returns a non-zero return code if call fails. |
e59058c4 JS |
541 | * |
542 | * Returns: | |
543 | * -EIO error posting the event | |
544 | * zero for success | |
545 | **/ | |
40496f07 | 546 | static int |
46fa311e | 547 | lpfc_do_offline(struct lpfc_hba *phba, uint32_t type) |
40496f07 JS |
548 | { |
549 | struct completion online_compl; | |
46fa311e JS |
550 | struct lpfc_sli_ring *pring; |
551 | struct lpfc_sli *psli; | |
40496f07 | 552 | int status = 0; |
46fa311e JS |
553 | int cnt = 0; |
554 | int i; | |
40496f07 JS |
555 | |
556 | init_completion(&online_compl); | |
557 | lpfc_workq_post_event(phba, &status, &online_compl, | |
46fa311e JS |
558 | LPFC_EVT_OFFLINE_PREP); |
559 | wait_for_completion(&online_compl); | |
560 | ||
561 | if (status != 0) | |
562 | return -EIO; | |
563 | ||
564 | psli = &phba->sli; | |
565 | ||
09372820 JS |
566 | /* Wait a little for things to settle down, but not |
567 | * long enough for dev loss timeout to expire. | |
568 | */ | |
46fa311e JS |
569 | for (i = 0; i < psli->num_rings; i++) { |
570 | pring = &psli->ring[i]; | |
46fa311e JS |
571 | while (pring->txcmplq_cnt) { |
572 | msleep(10); | |
09372820 | 573 | if (cnt++ > 500) { /* 5 secs */ |
46fa311e JS |
574 | lpfc_printf_log(phba, |
575 | KERN_WARNING, LOG_INIT, | |
e8b62011 JS |
576 | "0466 Outstanding IO when " |
577 | "bringing Adapter offline\n"); | |
46fa311e JS |
578 | break; |
579 | } | |
580 | } | |
581 | } | |
582 | ||
583 | init_completion(&online_compl); | |
584 | lpfc_workq_post_event(phba, &status, &online_compl, type); | |
40496f07 JS |
585 | wait_for_completion(&online_compl); |
586 | ||
587 | if (status != 0) | |
588 | return -EIO; | |
589 | ||
46fa311e JS |
590 | return 0; |
591 | } | |
592 | ||
e59058c4 | 593 | /** |
3621a710 | 594 | * lpfc_selective_reset - Offline then onlines the port |
e59058c4 JS |
595 | * @phba: lpfc_hba pointer. |
596 | * | |
597 | * Description: | |
598 | * If the port is configured to allow a reset then the hba is brought | |
599 | * offline then online. | |
600 | * | |
601 | * Notes: | |
602 | * Assumes any error from lpfc_do_offline() will be negative. | |
603 | * | |
604 | * Returns: | |
605 | * lpfc_do_offline() return code if not zero | |
606 | * -EIO reset not configured or error posting the event | |
607 | * zero for success | |
608 | **/ | |
46fa311e JS |
609 | static int |
610 | lpfc_selective_reset(struct lpfc_hba *phba) | |
611 | { | |
612 | struct completion online_compl; | |
613 | int status = 0; | |
614 | ||
13815c83 JS |
615 | if (!phba->cfg_enable_hba_reset) |
616 | return -EIO; | |
617 | ||
46fa311e JS |
618 | status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); |
619 | ||
620 | if (status != 0) | |
621 | return status; | |
622 | ||
40496f07 JS |
623 | init_completion(&online_compl); |
624 | lpfc_workq_post_event(phba, &status, &online_compl, | |
625 | LPFC_EVT_ONLINE); | |
626 | wait_for_completion(&online_compl); | |
627 | ||
628 | if (status != 0) | |
629 | return -EIO; | |
630 | ||
631 | return 0; | |
632 | } | |
633 | ||
e59058c4 | 634 | /** |
3621a710 | 635 | * lpfc_issue_reset - Selectively resets an adapter |
e59058c4 JS |
636 | * @dev: class device that is converted into a Scsi_host. |
637 | * @attr: device attribute, not used. | |
638 | * @buf: containing the string "selective". | |
639 | * @count: unused variable. | |
640 | * | |
641 | * Description: | |
642 | * If the buf contains the string "selective" then lpfc_selective_reset() | |
643 | * is called to perform the reset. | |
644 | * | |
645 | * Notes: | |
646 | * Assumes any error from lpfc_selective_reset() will be negative. | |
647 | * If lpfc_selective_reset() returns zero then the length of the buffer | |
648 | * is returned which indicates succcess | |
649 | * | |
650 | * Returns: | |
651 | * -EINVAL if the buffer does not contain the string "selective" | |
652 | * length of buf if lpfc-selective_reset() if the call succeeds | |
653 | * return value of lpfc_selective_reset() if the call fails | |
654 | **/ | |
40496f07 | 655 | static ssize_t |
ee959b00 TJ |
656 | lpfc_issue_reset(struct device *dev, struct device_attribute *attr, |
657 | const char *buf, size_t count) | |
40496f07 | 658 | { |
ee959b00 | 659 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
660 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
661 | struct lpfc_hba *phba = vport->phba; | |
662 | ||
40496f07 JS |
663 | int status = -EINVAL; |
664 | ||
665 | if (strncmp(buf, "selective", sizeof("selective") - 1) == 0) | |
666 | status = lpfc_selective_reset(phba); | |
667 | ||
668 | if (status == 0) | |
669 | return strlen(buf); | |
670 | else | |
671 | return status; | |
672 | } | |
673 | ||
e59058c4 | 674 | /** |
3621a710 | 675 | * lpfc_nport_evt_cnt_show - Return the number of nport events |
e59058c4 JS |
676 | * @dev: class device that is converted into a Scsi_host. |
677 | * @attr: device attribute, not used. | |
678 | * @buf: on return contains the ascii number of nport events. | |
679 | * | |
680 | * Returns: size of formatted string. | |
681 | **/ | |
dea3101e | 682 | static ssize_t |
ee959b00 TJ |
683 | lpfc_nport_evt_cnt_show(struct device *dev, struct device_attribute *attr, |
684 | char *buf) | |
dea3101e | 685 | { |
ee959b00 | 686 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
687 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
688 | struct lpfc_hba *phba = vport->phba; | |
689 | ||
dea3101e | 690 | return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt); |
691 | } | |
692 | ||
e59058c4 | 693 | /** |
3621a710 | 694 | * lpfc_board_mode_show - Return the state of the board |
e59058c4 JS |
695 | * @dev: class device that is converted into a Scsi_host. |
696 | * @attr: device attribute, not used. | |
697 | * @buf: on return contains the state of the adapter. | |
698 | * | |
699 | * Returns: size of formatted string. | |
700 | **/ | |
41415862 | 701 | static ssize_t |
ee959b00 TJ |
702 | lpfc_board_mode_show(struct device *dev, struct device_attribute *attr, |
703 | char *buf) | |
41415862 | 704 | { |
ee959b00 | 705 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
706 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
707 | struct lpfc_hba *phba = vport->phba; | |
41415862 JW |
708 | char * state; |
709 | ||
2e0fef85 | 710 | if (phba->link_state == LPFC_HBA_ERROR) |
41415862 | 711 | state = "error"; |
2e0fef85 | 712 | else if (phba->link_state == LPFC_WARM_START) |
41415862 | 713 | state = "warm start"; |
2e0fef85 | 714 | else if (phba->link_state == LPFC_INIT_START) |
41415862 JW |
715 | state = "offline"; |
716 | else | |
717 | state = "online"; | |
718 | ||
719 | return snprintf(buf, PAGE_SIZE, "%s\n", state); | |
720 | } | |
721 | ||
e59058c4 | 722 | /** |
3621a710 | 723 | * lpfc_board_mode_store - Puts the hba in online, offline, warm or error state |
e59058c4 JS |
724 | * @dev: class device that is converted into a Scsi_host. |
725 | * @attr: device attribute, not used. | |
726 | * @buf: containing one of the strings "online", "offline", "warm" or "error". | |
727 | * @count: unused variable. | |
728 | * | |
729 | * Returns: | |
730 | * -EACCES if enable hba reset not enabled | |
731 | * -EINVAL if the buffer does not contain a valid string (see above) | |
732 | * -EIO if lpfc_workq_post_event() or lpfc_do_offline() fails | |
733 | * buf length greater than zero indicates success | |
734 | **/ | |
41415862 | 735 | static ssize_t |
ee959b00 TJ |
736 | lpfc_board_mode_store(struct device *dev, struct device_attribute *attr, |
737 | const char *buf, size_t count) | |
41415862 | 738 | { |
ee959b00 | 739 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
740 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
741 | struct lpfc_hba *phba = vport->phba; | |
41415862 JW |
742 | struct completion online_compl; |
743 | int status=0; | |
744 | ||
13815c83 JS |
745 | if (!phba->cfg_enable_hba_reset) |
746 | return -EACCES; | |
41415862 JW |
747 | init_completion(&online_compl); |
748 | ||
46fa311e | 749 | if(strncmp(buf, "online", sizeof("online") - 1) == 0) { |
41415862 JW |
750 | lpfc_workq_post_event(phba, &status, &online_compl, |
751 | LPFC_EVT_ONLINE); | |
46fa311e JS |
752 | wait_for_completion(&online_compl); |
753 | } else if (strncmp(buf, "offline", sizeof("offline") - 1) == 0) | |
754 | status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); | |
41415862 | 755 | else if (strncmp(buf, "warm", sizeof("warm") - 1) == 0) |
46fa311e JS |
756 | status = lpfc_do_offline(phba, LPFC_EVT_WARM_START); |
757 | else if (strncmp(buf, "error", sizeof("error") - 1) == 0) | |
758 | status = lpfc_do_offline(phba, LPFC_EVT_KILL); | |
41415862 JW |
759 | else |
760 | return -EINVAL; | |
761 | ||
41415862 JW |
762 | if (!status) |
763 | return strlen(buf); | |
764 | else | |
765 | return -EIO; | |
766 | } | |
767 | ||
e59058c4 | 768 | /** |
3621a710 | 769 | * lpfc_get_hba_info - Return various bits of informaton about the adapter |
e59058c4 | 770 | * @phba: pointer to the adapter structure. |
3621a710 JS |
771 | * @mxri: max xri count. |
772 | * @axri: available xri count. | |
773 | * @mrpi: max rpi count. | |
774 | * @arpi: available rpi count. | |
775 | * @mvpi: max vpi count. | |
776 | * @avpi: available vpi count. | |
e59058c4 JS |
777 | * |
778 | * Description: | |
779 | * If an integer pointer for an count is not null then the value for the | |
780 | * count is returned. | |
781 | * | |
782 | * Returns: | |
783 | * zero on error | |
784 | * one for success | |
785 | **/ | |
311464ec | 786 | static int |
858c9f6c JS |
787 | lpfc_get_hba_info(struct lpfc_hba *phba, |
788 | uint32_t *mxri, uint32_t *axri, | |
789 | uint32_t *mrpi, uint32_t *arpi, | |
790 | uint32_t *mvpi, uint32_t *avpi) | |
92d7f7b0 JS |
791 | { |
792 | struct lpfc_sli *psli = &phba->sli; | |
793 | LPFC_MBOXQ_t *pmboxq; | |
794 | MAILBOX_t *pmb; | |
795 | int rc = 0; | |
796 | ||
797 | /* | |
798 | * prevent udev from issuing mailbox commands until the port is | |
799 | * configured. | |
800 | */ | |
801 | if (phba->link_state < LPFC_LINK_DOWN || | |
802 | !phba->mbox_mem_pool || | |
803 | (phba->sli.sli_flag & LPFC_SLI2_ACTIVE) == 0) | |
804 | return 0; | |
805 | ||
806 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) | |
807 | return 0; | |
808 | ||
809 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
810 | if (!pmboxq) | |
811 | return 0; | |
812 | memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); | |
813 | ||
814 | pmb = &pmboxq->mb; | |
815 | pmb->mbxCommand = MBX_READ_CONFIG; | |
816 | pmb->mbxOwner = OWN_HOST; | |
817 | pmboxq->context1 = NULL; | |
818 | ||
819 | if ((phba->pport->fc_flag & FC_OFFLINE_MODE) || | |
820 | (!(psli->sli_flag & LPFC_SLI2_ACTIVE))) | |
821 | rc = MBX_NOT_FINISHED; | |
822 | else | |
823 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); | |
824 | ||
825 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 826 | if (rc != MBX_TIMEOUT) |
92d7f7b0 JS |
827 | mempool_free(pmboxq, phba->mbox_mem_pool); |
828 | return 0; | |
829 | } | |
830 | ||
831 | if (mrpi) | |
832 | *mrpi = pmb->un.varRdConfig.max_rpi; | |
833 | if (arpi) | |
834 | *arpi = pmb->un.varRdConfig.avail_rpi; | |
835 | if (mxri) | |
836 | *mxri = pmb->un.varRdConfig.max_xri; | |
837 | if (axri) | |
838 | *axri = pmb->un.varRdConfig.avail_xri; | |
858c9f6c JS |
839 | if (mvpi) |
840 | *mvpi = pmb->un.varRdConfig.max_vpi; | |
841 | if (avpi) | |
842 | *avpi = pmb->un.varRdConfig.avail_vpi; | |
92d7f7b0 JS |
843 | |
844 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
845 | return 1; | |
846 | } | |
847 | ||
e59058c4 | 848 | /** |
3621a710 | 849 | * lpfc_max_rpi_show - Return maximum rpi |
e59058c4 JS |
850 | * @dev: class device that is converted into a Scsi_host. |
851 | * @attr: device attribute, not used. | |
852 | * @buf: on return contains the maximum rpi count in decimal or "Unknown". | |
853 | * | |
854 | * Description: | |
855 | * Calls lpfc_get_hba_info() asking for just the mrpi count. | |
856 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
857 | * to "Unknown" and the buffer length is returned, therefore the caller | |
858 | * must check for "Unknown" in the buffer to detect a failure. | |
859 | * | |
860 | * Returns: size of formatted string. | |
861 | **/ | |
92d7f7b0 | 862 | static ssize_t |
ee959b00 TJ |
863 | lpfc_max_rpi_show(struct device *dev, struct device_attribute *attr, |
864 | char *buf) | |
92d7f7b0 | 865 | { |
ee959b00 | 866 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
867 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
868 | struct lpfc_hba *phba = vport->phba; | |
869 | uint32_t cnt; | |
870 | ||
858c9f6c | 871 | if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, NULL, NULL, NULL)) |
92d7f7b0 JS |
872 | return snprintf(buf, PAGE_SIZE, "%d\n", cnt); |
873 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
874 | } | |
875 | ||
e59058c4 | 876 | /** |
3621a710 | 877 | * lpfc_used_rpi_show - Return maximum rpi minus available rpi |
e59058c4 JS |
878 | * @dev: class device that is converted into a Scsi_host. |
879 | * @attr: device attribute, not used. | |
880 | * @buf: containing the used rpi count in decimal or "Unknown". | |
881 | * | |
882 | * Description: | |
883 | * Calls lpfc_get_hba_info() asking for just the mrpi and arpi counts. | |
884 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
885 | * to "Unknown" and the buffer length is returned, therefore the caller | |
886 | * must check for "Unknown" in the buffer to detect a failure. | |
887 | * | |
888 | * Returns: size of formatted string. | |
889 | **/ | |
92d7f7b0 | 890 | static ssize_t |
ee959b00 TJ |
891 | lpfc_used_rpi_show(struct device *dev, struct device_attribute *attr, |
892 | char *buf) | |
92d7f7b0 | 893 | { |
ee959b00 | 894 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
895 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
896 | struct lpfc_hba *phba = vport->phba; | |
897 | uint32_t cnt, acnt; | |
898 | ||
858c9f6c | 899 | if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, &acnt, NULL, NULL)) |
92d7f7b0 JS |
900 | return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt)); |
901 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
902 | } | |
903 | ||
e59058c4 | 904 | /** |
3621a710 | 905 | * lpfc_max_xri_show - Return maximum xri |
e59058c4 JS |
906 | * @dev: class device that is converted into a Scsi_host. |
907 | * @attr: device attribute, not used. | |
908 | * @buf: on return contains the maximum xri count in decimal or "Unknown". | |
909 | * | |
910 | * Description: | |
911 | * Calls lpfc_get_hba_info() asking for just the mrpi count. | |
912 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
913 | * to "Unknown" and the buffer length is returned, therefore the caller | |
914 | * must check for "Unknown" in the buffer to detect a failure. | |
915 | * | |
916 | * Returns: size of formatted string. | |
917 | **/ | |
92d7f7b0 | 918 | static ssize_t |
ee959b00 TJ |
919 | lpfc_max_xri_show(struct device *dev, struct device_attribute *attr, |
920 | char *buf) | |
92d7f7b0 | 921 | { |
ee959b00 | 922 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
923 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
924 | struct lpfc_hba *phba = vport->phba; | |
925 | uint32_t cnt; | |
926 | ||
858c9f6c | 927 | if (lpfc_get_hba_info(phba, &cnt, NULL, NULL, NULL, NULL, NULL)) |
92d7f7b0 JS |
928 | return snprintf(buf, PAGE_SIZE, "%d\n", cnt); |
929 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
930 | } | |
931 | ||
e59058c4 | 932 | /** |
3621a710 | 933 | * lpfc_used_xri_show - Return maximum xpi minus the available xpi |
e59058c4 JS |
934 | * @dev: class device that is converted into a Scsi_host. |
935 | * @attr: device attribute, not used. | |
936 | * @buf: on return contains the used xri count in decimal or "Unknown". | |
937 | * | |
938 | * Description: | |
939 | * Calls lpfc_get_hba_info() asking for just the mxri and axri counts. | |
940 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
941 | * to "Unknown" and the buffer length is returned, therefore the caller | |
942 | * must check for "Unknown" in the buffer to detect a failure. | |
943 | * | |
944 | * Returns: size of formatted string. | |
945 | **/ | |
92d7f7b0 | 946 | static ssize_t |
ee959b00 TJ |
947 | lpfc_used_xri_show(struct device *dev, struct device_attribute *attr, |
948 | char *buf) | |
92d7f7b0 | 949 | { |
ee959b00 | 950 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
951 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
952 | struct lpfc_hba *phba = vport->phba; | |
953 | uint32_t cnt, acnt; | |
954 | ||
858c9f6c JS |
955 | if (lpfc_get_hba_info(phba, &cnt, &acnt, NULL, NULL, NULL, NULL)) |
956 | return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt)); | |
957 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
958 | } | |
959 | ||
e59058c4 | 960 | /** |
3621a710 | 961 | * lpfc_max_vpi_show - Return maximum vpi |
e59058c4 JS |
962 | * @dev: class device that is converted into a Scsi_host. |
963 | * @attr: device attribute, not used. | |
964 | * @buf: on return contains the maximum vpi count in decimal or "Unknown". | |
965 | * | |
966 | * Description: | |
967 | * Calls lpfc_get_hba_info() asking for just the mvpi count. | |
968 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
969 | * to "Unknown" and the buffer length is returned, therefore the caller | |
970 | * must check for "Unknown" in the buffer to detect a failure. | |
971 | * | |
972 | * Returns: size of formatted string. | |
973 | **/ | |
858c9f6c | 974 | static ssize_t |
ee959b00 TJ |
975 | lpfc_max_vpi_show(struct device *dev, struct device_attribute *attr, |
976 | char *buf) | |
858c9f6c | 977 | { |
ee959b00 | 978 | struct Scsi_Host *shost = class_to_shost(dev); |
858c9f6c JS |
979 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
980 | struct lpfc_hba *phba = vport->phba; | |
981 | uint32_t cnt; | |
982 | ||
983 | if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, NULL)) | |
984 | return snprintf(buf, PAGE_SIZE, "%d\n", cnt); | |
985 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
986 | } | |
987 | ||
e59058c4 | 988 | /** |
3621a710 | 989 | * lpfc_used_vpi_show - Return maximum vpi minus the available vpi |
e59058c4 JS |
990 | * @dev: class device that is converted into a Scsi_host. |
991 | * @attr: device attribute, not used. | |
992 | * @buf: on return contains the used vpi count in decimal or "Unknown". | |
993 | * | |
994 | * Description: | |
995 | * Calls lpfc_get_hba_info() asking for just the mvpi and avpi counts. | |
996 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
997 | * to "Unknown" and the buffer length is returned, therefore the caller | |
998 | * must check for "Unknown" in the buffer to detect a failure. | |
999 | * | |
1000 | * Returns: size of formatted string. | |
1001 | **/ | |
858c9f6c | 1002 | static ssize_t |
ee959b00 TJ |
1003 | lpfc_used_vpi_show(struct device *dev, struct device_attribute *attr, |
1004 | char *buf) | |
858c9f6c | 1005 | { |
ee959b00 | 1006 | struct Scsi_Host *shost = class_to_shost(dev); |
858c9f6c JS |
1007 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1008 | struct lpfc_hba *phba = vport->phba; | |
1009 | uint32_t cnt, acnt; | |
1010 | ||
1011 | if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, &acnt)) | |
92d7f7b0 JS |
1012 | return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt)); |
1013 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
1014 | } | |
1015 | ||
e59058c4 | 1016 | /** |
3621a710 | 1017 | * lpfc_npiv_info_show - Return text about NPIV support for the adapter |
e59058c4 JS |
1018 | * @dev: class device that is converted into a Scsi_host. |
1019 | * @attr: device attribute, not used. | |
1020 | * @buf: text that must be interpreted to determine if npiv is supported. | |
1021 | * | |
1022 | * Description: | |
1023 | * Buffer will contain text indicating npiv is not suppoerted on the port, | |
1024 | * the port is an NPIV physical port, or it is an npiv virtual port with | |
1025 | * the id of the vport. | |
1026 | * | |
1027 | * Returns: size of formatted string. | |
1028 | **/ | |
92d7f7b0 | 1029 | static ssize_t |
ee959b00 TJ |
1030 | lpfc_npiv_info_show(struct device *dev, struct device_attribute *attr, |
1031 | char *buf) | |
92d7f7b0 | 1032 | { |
ee959b00 | 1033 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
1034 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1035 | struct lpfc_hba *phba = vport->phba; | |
1036 | ||
1037 | if (!(phba->max_vpi)) | |
1038 | return snprintf(buf, PAGE_SIZE, "NPIV Not Supported\n"); | |
1039 | if (vport->port_type == LPFC_PHYSICAL_PORT) | |
1040 | return snprintf(buf, PAGE_SIZE, "NPIV Physical\n"); | |
1041 | return snprintf(buf, PAGE_SIZE, "NPIV Virtual (VPI %d)\n", vport->vpi); | |
1042 | } | |
1043 | ||
e59058c4 | 1044 | /** |
3621a710 | 1045 | * lpfc_poll_show - Return text about poll support for the adapter |
e59058c4 JS |
1046 | * @dev: class device that is converted into a Scsi_host. |
1047 | * @attr: device attribute, not used. | |
1048 | * @buf: on return contains the cfg_poll in hex. | |
1049 | * | |
1050 | * Notes: | |
1051 | * cfg_poll should be a lpfc_polling_flags type. | |
1052 | * | |
1053 | * Returns: size of formatted string. | |
1054 | **/ | |
875fbdfe | 1055 | static ssize_t |
ee959b00 TJ |
1056 | lpfc_poll_show(struct device *dev, struct device_attribute *attr, |
1057 | char *buf) | |
875fbdfe | 1058 | { |
ee959b00 | 1059 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1060 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1061 | struct lpfc_hba *phba = vport->phba; | |
875fbdfe JSEC |
1062 | |
1063 | return snprintf(buf, PAGE_SIZE, "%#x\n", phba->cfg_poll); | |
1064 | } | |
1065 | ||
e59058c4 | 1066 | /** |
3621a710 | 1067 | * lpfc_poll_store - Set the value of cfg_poll for the adapter |
e59058c4 JS |
1068 | * @dev: class device that is converted into a Scsi_host. |
1069 | * @attr: device attribute, not used. | |
1070 | * @buf: one or more lpfc_polling_flags values. | |
1071 | * @count: not used. | |
1072 | * | |
1073 | * Notes: | |
1074 | * buf contents converted to integer and checked for a valid value. | |
1075 | * | |
1076 | * Returns: | |
1077 | * -EINVAL if the buffer connot be converted or is out of range | |
1078 | * length of the buf on success | |
1079 | **/ | |
875fbdfe | 1080 | static ssize_t |
ee959b00 TJ |
1081 | lpfc_poll_store(struct device *dev, struct device_attribute *attr, |
1082 | const char *buf, size_t count) | |
875fbdfe | 1083 | { |
ee959b00 | 1084 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1085 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1086 | struct lpfc_hba *phba = vport->phba; | |
875fbdfe JSEC |
1087 | uint32_t creg_val; |
1088 | uint32_t old_val; | |
1089 | int val=0; | |
1090 | ||
1091 | if (!isdigit(buf[0])) | |
1092 | return -EINVAL; | |
1093 | ||
1094 | if (sscanf(buf, "%i", &val) != 1) | |
1095 | return -EINVAL; | |
1096 | ||
1097 | if ((val & 0x3) != val) | |
1098 | return -EINVAL; | |
1099 | ||
2e0fef85 | 1100 | spin_lock_irq(&phba->hbalock); |
875fbdfe JSEC |
1101 | |
1102 | old_val = phba->cfg_poll; | |
1103 | ||
1104 | if (val & ENABLE_FCP_RING_POLLING) { | |
1105 | if ((val & DISABLE_FCP_RING_INT) && | |
1106 | !(old_val & DISABLE_FCP_RING_INT)) { | |
1107 | creg_val = readl(phba->HCregaddr); | |
1108 | creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING); | |
1109 | writel(creg_val, phba->HCregaddr); | |
1110 | readl(phba->HCregaddr); /* flush */ | |
1111 | ||
1112 | lpfc_poll_start_timer(phba); | |
1113 | } | |
1114 | } else if (val != 0x0) { | |
2e0fef85 | 1115 | spin_unlock_irq(&phba->hbalock); |
875fbdfe JSEC |
1116 | return -EINVAL; |
1117 | } | |
1118 | ||
1119 | if (!(val & DISABLE_FCP_RING_INT) && | |
1120 | (old_val & DISABLE_FCP_RING_INT)) | |
1121 | { | |
2e0fef85 | 1122 | spin_unlock_irq(&phba->hbalock); |
875fbdfe | 1123 | del_timer(&phba->fcp_poll_timer); |
2e0fef85 | 1124 | spin_lock_irq(&phba->hbalock); |
875fbdfe JSEC |
1125 | creg_val = readl(phba->HCregaddr); |
1126 | creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING); | |
1127 | writel(creg_val, phba->HCregaddr); | |
1128 | readl(phba->HCregaddr); /* flush */ | |
1129 | } | |
1130 | ||
1131 | phba->cfg_poll = val; | |
1132 | ||
2e0fef85 | 1133 | spin_unlock_irq(&phba->hbalock); |
875fbdfe JSEC |
1134 | |
1135 | return strlen(buf); | |
1136 | } | |
dea3101e | 1137 | |
e59058c4 | 1138 | /** |
3621a710 | 1139 | * lpfc_param_show - Return a cfg attribute value in decimal |
e59058c4 JS |
1140 | * |
1141 | * Description: | |
1142 | * Macro that given an attr e.g. hba_queue_depth expands | |
1143 | * into a function with the name lpfc_hba_queue_depth_show. | |
1144 | * | |
1145 | * lpfc_##attr##_show: Return the decimal value of an adapters cfg_xxx field. | |
1146 | * @dev: class device that is converted into a Scsi_host. | |
1147 | * @attr: device attribute, not used. | |
1148 | * @buf: on return contains the attribute value in decimal. | |
1149 | * | |
1150 | * Returns: size of formatted string. | |
1151 | **/ | |
dea3101e | 1152 | #define lpfc_param_show(attr) \ |
1153 | static ssize_t \ | |
ee959b00 TJ |
1154 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
1155 | char *buf) \ | |
dea3101e | 1156 | { \ |
ee959b00 | 1157 | struct Scsi_Host *shost = class_to_shost(dev);\ |
2e0fef85 JS |
1158 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
1159 | struct lpfc_hba *phba = vport->phba;\ | |
dea3101e | 1160 | int val = 0;\ |
7bcbb752 JSEC |
1161 | val = phba->cfg_##attr;\ |
1162 | return snprintf(buf, PAGE_SIZE, "%d\n",\ | |
1163 | phba->cfg_##attr);\ | |
1164 | } | |
1165 | ||
e59058c4 | 1166 | /** |
3621a710 | 1167 | * lpfc_param_hex_show - Return a cfg attribute value in hex |
e59058c4 JS |
1168 | * |
1169 | * Description: | |
1170 | * Macro that given an attr e.g. hba_queue_depth expands | |
1171 | * into a function with the name lpfc_hba_queue_depth_show | |
1172 | * | |
1173 | * lpfc_##attr##_show: Return the hex value of an adapters cfg_xxx field. | |
1174 | * @dev: class device that is converted into a Scsi_host. | |
1175 | * @attr: device attribute, not used. | |
3621a710 | 1176 | * @buf: on return contains the attribute value in hexadecimal. |
e59058c4 JS |
1177 | * |
1178 | * Returns: size of formatted string. | |
1179 | **/ | |
93a20f74 JSEC |
1180 | #define lpfc_param_hex_show(attr) \ |
1181 | static ssize_t \ | |
ee959b00 TJ |
1182 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
1183 | char *buf) \ | |
93a20f74 | 1184 | { \ |
ee959b00 | 1185 | struct Scsi_Host *shost = class_to_shost(dev);\ |
2e0fef85 JS |
1186 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
1187 | struct lpfc_hba *phba = vport->phba;\ | |
93a20f74 JSEC |
1188 | int val = 0;\ |
1189 | val = phba->cfg_##attr;\ | |
1190 | return snprintf(buf, PAGE_SIZE, "%#x\n",\ | |
1191 | phba->cfg_##attr);\ | |
1192 | } | |
1193 | ||
e59058c4 | 1194 | /** |
3621a710 | 1195 | * lpfc_param_init - Intializes a cfg attribute |
e59058c4 JS |
1196 | * |
1197 | * Description: | |
1198 | * Macro that given an attr e.g. hba_queue_depth expands | |
1199 | * into a function with the name lpfc_hba_queue_depth_init. The macro also | |
1200 | * takes a default argument, a minimum and maximum argument. | |
1201 | * | |
1202 | * lpfc_##attr##_init: Initializes an attribute. | |
1203 | * @phba: pointer the the adapter structure. | |
1204 | * @val: integer attribute value. | |
1205 | * | |
1206 | * Validates the min and max values then sets the adapter config field | |
1207 | * accordingly, or uses the default if out of range and prints an error message. | |
1208 | * | |
1209 | * Returns: | |
1210 | * zero on success | |
1211 | * -EINVAL if default used | |
1212 | **/ | |
7bcbb752 JSEC |
1213 | #define lpfc_param_init(attr, default, minval, maxval) \ |
1214 | static int \ | |
1215 | lpfc_##attr##_init(struct lpfc_hba *phba, int val) \ | |
1216 | { \ | |
1217 | if (val >= minval && val <= maxval) {\ | |
1218 | phba->cfg_##attr = val;\ | |
1219 | return 0;\ | |
dea3101e | 1220 | }\ |
7bcbb752 | 1221 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \ |
e8b62011 JS |
1222 | "0449 lpfc_"#attr" attribute cannot be set to %d, "\ |
1223 | "allowed range is ["#minval", "#maxval"]\n", val); \ | |
7bcbb752 JSEC |
1224 | phba->cfg_##attr = default;\ |
1225 | return -EINVAL;\ | |
dea3101e | 1226 | } |
1227 | ||
e59058c4 | 1228 | /** |
3621a710 | 1229 | * lpfc_param_set - Set a cfg attribute value |
e59058c4 JS |
1230 | * |
1231 | * Description: | |
1232 | * Macro that given an attr e.g. hba_queue_depth expands | |
1233 | * into a function with the name lpfc_hba_queue_depth_set | |
1234 | * | |
1235 | * lpfc_##attr##_set: Sets an attribute value. | |
1236 | * @phba: pointer the the adapter structure. | |
1237 | * @val: integer attribute value. | |
1238 | * | |
1239 | * Description: | |
1240 | * Validates the min and max values then sets the | |
1241 | * adapter config field if in the valid range. prints error message | |
1242 | * and does not set the parameter if invalid. | |
1243 | * | |
1244 | * Returns: | |
1245 | * zero on success | |
1246 | * -EINVAL if val is invalid | |
1247 | **/ | |
7bcbb752 JSEC |
1248 | #define lpfc_param_set(attr, default, minval, maxval) \ |
1249 | static int \ | |
1250 | lpfc_##attr##_set(struct lpfc_hba *phba, int val) \ | |
1251 | { \ | |
1252 | if (val >= minval && val <= maxval) {\ | |
1253 | phba->cfg_##attr = val;\ | |
1254 | return 0;\ | |
1255 | }\ | |
1256 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \ | |
e8b62011 JS |
1257 | "0450 lpfc_"#attr" attribute cannot be set to %d, "\ |
1258 | "allowed range is ["#minval", "#maxval"]\n", val); \ | |
7bcbb752 JSEC |
1259 | return -EINVAL;\ |
1260 | } | |
1261 | ||
e59058c4 | 1262 | /** |
3621a710 | 1263 | * lpfc_param_store - Set a vport attribute value |
e59058c4 JS |
1264 | * |
1265 | * Description: | |
1266 | * Macro that given an attr e.g. hba_queue_depth expands | |
1267 | * into a function with the name lpfc_hba_queue_depth_store. | |
1268 | * | |
1269 | * lpfc_##attr##_store: Set an sttribute value. | |
1270 | * @dev: class device that is converted into a Scsi_host. | |
1271 | * @attr: device attribute, not used. | |
1272 | * @buf: contains the attribute value in ascii. | |
1273 | * @count: not used. | |
1274 | * | |
1275 | * Description: | |
1276 | * Convert the ascii text number to an integer, then | |
1277 | * use the lpfc_##attr##_set function to set the value. | |
1278 | * | |
1279 | * Returns: | |
1280 | * -EINVAL if val is invalid or lpfc_##attr##_set() fails | |
1281 | * length of buffer upon success. | |
1282 | **/ | |
7bcbb752 | 1283 | #define lpfc_param_store(attr) \ |
dea3101e | 1284 | static ssize_t \ |
ee959b00 TJ |
1285 | lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \ |
1286 | const char *buf, size_t count) \ | |
dea3101e | 1287 | { \ |
ee959b00 | 1288 | struct Scsi_Host *shost = class_to_shost(dev);\ |
2e0fef85 JS |
1289 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
1290 | struct lpfc_hba *phba = vport->phba;\ | |
7bcbb752 | 1291 | int val=0;\ |
93a20f74 JSEC |
1292 | if (!isdigit(buf[0]))\ |
1293 | return -EINVAL;\ | |
1294 | if (sscanf(buf, "%i", &val) != 1)\ | |
1295 | return -EINVAL;\ | |
7bcbb752 | 1296 | if (lpfc_##attr##_set(phba, val) == 0) \ |
755c0d06 | 1297 | return strlen(buf);\ |
7bcbb752 JSEC |
1298 | else \ |
1299 | return -EINVAL;\ | |
dea3101e | 1300 | } |
1301 | ||
e59058c4 | 1302 | /** |
3621a710 | 1303 | * lpfc_vport_param_show - Return decimal formatted cfg attribute value |
e59058c4 JS |
1304 | * |
1305 | * Description: | |
1306 | * Macro that given an attr e.g. hba_queue_depth expands | |
1307 | * into a function with the name lpfc_hba_queue_depth_show | |
1308 | * | |
1309 | * lpfc_##attr##_show: prints the attribute value in decimal. | |
1310 | * @dev: class device that is converted into a Scsi_host. | |
1311 | * @attr: device attribute, not used. | |
1312 | * @buf: on return contains the attribute value in decimal. | |
1313 | * | |
1314 | * Returns: length of formatted string. | |
1315 | **/ | |
3de2a653 JS |
1316 | #define lpfc_vport_param_show(attr) \ |
1317 | static ssize_t \ | |
ee959b00 TJ |
1318 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
1319 | char *buf) \ | |
3de2a653 | 1320 | { \ |
ee959b00 | 1321 | struct Scsi_Host *shost = class_to_shost(dev);\ |
3de2a653 JS |
1322 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
1323 | int val = 0;\ | |
1324 | val = vport->cfg_##attr;\ | |
1325 | return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_##attr);\ | |
1326 | } | |
1327 | ||
e59058c4 | 1328 | /** |
3621a710 | 1329 | * lpfc_vport_param_hex_show - Return hex formatted attribute value |
e59058c4 JS |
1330 | * |
1331 | * Description: | |
1332 | * Macro that given an attr e.g. | |
1333 | * hba_queue_depth expands into a function with the name | |
1334 | * lpfc_hba_queue_depth_show | |
1335 | * | |
3621a710 | 1336 | * lpfc_##attr##_show: prints the attribute value in hexadecimal. |
e59058c4 JS |
1337 | * @dev: class device that is converted into a Scsi_host. |
1338 | * @attr: device attribute, not used. | |
3621a710 | 1339 | * @buf: on return contains the attribute value in hexadecimal. |
e59058c4 JS |
1340 | * |
1341 | * Returns: length of formatted string. | |
1342 | **/ | |
3de2a653 JS |
1343 | #define lpfc_vport_param_hex_show(attr) \ |
1344 | static ssize_t \ | |
ee959b00 TJ |
1345 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
1346 | char *buf) \ | |
3de2a653 | 1347 | { \ |
ee959b00 | 1348 | struct Scsi_Host *shost = class_to_shost(dev);\ |
3de2a653 JS |
1349 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
1350 | int val = 0;\ | |
1351 | val = vport->cfg_##attr;\ | |
1352 | return snprintf(buf, PAGE_SIZE, "%#x\n", vport->cfg_##attr);\ | |
1353 | } | |
1354 | ||
e59058c4 | 1355 | /** |
3621a710 | 1356 | * lpfc_vport_param_init - Initialize a vport cfg attribute |
e59058c4 JS |
1357 | * |
1358 | * Description: | |
1359 | * Macro that given an attr e.g. hba_queue_depth expands | |
1360 | * into a function with the name lpfc_hba_queue_depth_init. The macro also | |
1361 | * takes a default argument, a minimum and maximum argument. | |
1362 | * | |
1363 | * lpfc_##attr##_init: validates the min and max values then sets the | |
1364 | * adapter config field accordingly, or uses the default if out of range | |
1365 | * and prints an error message. | |
1366 | * @phba: pointer the the adapter structure. | |
1367 | * @val: integer attribute value. | |
1368 | * | |
1369 | * Returns: | |
1370 | * zero on success | |
1371 | * -EINVAL if default used | |
1372 | **/ | |
3de2a653 JS |
1373 | #define lpfc_vport_param_init(attr, default, minval, maxval) \ |
1374 | static int \ | |
1375 | lpfc_##attr##_init(struct lpfc_vport *vport, int val) \ | |
1376 | { \ | |
1377 | if (val >= minval && val <= maxval) {\ | |
1378 | vport->cfg_##attr = val;\ | |
1379 | return 0;\ | |
1380 | }\ | |
e8b62011 | 1381 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \ |
d7c255b2 | 1382 | "0423 lpfc_"#attr" attribute cannot be set to %d, "\ |
e8b62011 | 1383 | "allowed range is ["#minval", "#maxval"]\n", val); \ |
3de2a653 JS |
1384 | vport->cfg_##attr = default;\ |
1385 | return -EINVAL;\ | |
1386 | } | |
1387 | ||
e59058c4 | 1388 | /** |
3621a710 | 1389 | * lpfc_vport_param_set - Set a vport cfg attribute |
e59058c4 JS |
1390 | * |
1391 | * Description: | |
1392 | * Macro that given an attr e.g. hba_queue_depth expands | |
1393 | * into a function with the name lpfc_hba_queue_depth_set | |
1394 | * | |
1395 | * lpfc_##attr##_set: validates the min and max values then sets the | |
1396 | * adapter config field if in the valid range. prints error message | |
1397 | * and does not set the parameter if invalid. | |
1398 | * @phba: pointer the the adapter structure. | |
1399 | * @val: integer attribute value. | |
1400 | * | |
1401 | * Returns: | |
1402 | * zero on success | |
1403 | * -EINVAL if val is invalid | |
1404 | **/ | |
3de2a653 JS |
1405 | #define lpfc_vport_param_set(attr, default, minval, maxval) \ |
1406 | static int \ | |
1407 | lpfc_##attr##_set(struct lpfc_vport *vport, int val) \ | |
1408 | { \ | |
1409 | if (val >= minval && val <= maxval) {\ | |
1410 | vport->cfg_##attr = val;\ | |
1411 | return 0;\ | |
1412 | }\ | |
e8b62011 | 1413 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \ |
d7c255b2 | 1414 | "0424 lpfc_"#attr" attribute cannot be set to %d, "\ |
e8b62011 | 1415 | "allowed range is ["#minval", "#maxval"]\n", val); \ |
3de2a653 JS |
1416 | return -EINVAL;\ |
1417 | } | |
1418 | ||
e59058c4 | 1419 | /** |
3621a710 | 1420 | * lpfc_vport_param_store - Set a vport attribute |
e59058c4 JS |
1421 | * |
1422 | * Description: | |
1423 | * Macro that given an attr e.g. hba_queue_depth | |
1424 | * expands into a function with the name lpfc_hba_queue_depth_store | |
1425 | * | |
1426 | * lpfc_##attr##_store: convert the ascii text number to an integer, then | |
1427 | * use the lpfc_##attr##_set function to set the value. | |
1428 | * @cdev: class device that is converted into a Scsi_host. | |
1429 | * @buf: contains the attribute value in decimal. | |
1430 | * @count: not used. | |
1431 | * | |
1432 | * Returns: | |
1433 | * -EINVAL if val is invalid or lpfc_##attr##_set() fails | |
1434 | * length of buffer upon success. | |
1435 | **/ | |
3de2a653 JS |
1436 | #define lpfc_vport_param_store(attr) \ |
1437 | static ssize_t \ | |
ee959b00 TJ |
1438 | lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \ |
1439 | const char *buf, size_t count) \ | |
3de2a653 | 1440 | { \ |
ee959b00 | 1441 | struct Scsi_Host *shost = class_to_shost(dev);\ |
3de2a653 JS |
1442 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
1443 | int val=0;\ | |
1444 | if (!isdigit(buf[0]))\ | |
1445 | return -EINVAL;\ | |
1446 | if (sscanf(buf, "%i", &val) != 1)\ | |
1447 | return -EINVAL;\ | |
1448 | if (lpfc_##attr##_set(vport, val) == 0) \ | |
1449 | return strlen(buf);\ | |
1450 | else \ | |
1451 | return -EINVAL;\ | |
1452 | } | |
1453 | ||
1454 | ||
7bcbb752 JSEC |
1455 | #define LPFC_ATTR(name, defval, minval, maxval, desc) \ |
1456 | static int lpfc_##name = defval;\ | |
dea3101e | 1457 | module_param(lpfc_##name, int, 0);\ |
1458 | MODULE_PARM_DESC(lpfc_##name, desc);\ | |
7bcbb752 | 1459 | lpfc_param_init(name, defval, minval, maxval) |
dea3101e | 1460 | |
1461 | #define LPFC_ATTR_R(name, defval, minval, maxval, desc) \ | |
1462 | static int lpfc_##name = defval;\ | |
1463 | module_param(lpfc_##name, int, 0);\ | |
1464 | MODULE_PARM_DESC(lpfc_##name, desc);\ | |
1465 | lpfc_param_show(name)\ | |
7bcbb752 | 1466 | lpfc_param_init(name, defval, minval, maxval)\ |
ee959b00 | 1467 | static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
dea3101e | 1468 | |
1469 | #define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \ | |
1470 | static int lpfc_##name = defval;\ | |
1471 | module_param(lpfc_##name, int, 0);\ | |
1472 | MODULE_PARM_DESC(lpfc_##name, desc);\ | |
1473 | lpfc_param_show(name)\ | |
7bcbb752 JSEC |
1474 | lpfc_param_init(name, defval, minval, maxval)\ |
1475 | lpfc_param_set(name, defval, minval, maxval)\ | |
1476 | lpfc_param_store(name)\ | |
ee959b00 TJ |
1477 | static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
1478 | lpfc_##name##_show, lpfc_##name##_store) | |
dea3101e | 1479 | |
93a20f74 JSEC |
1480 | #define LPFC_ATTR_HEX_R(name, defval, minval, maxval, desc) \ |
1481 | static int lpfc_##name = defval;\ | |
1482 | module_param(lpfc_##name, int, 0);\ | |
1483 | MODULE_PARM_DESC(lpfc_##name, desc);\ | |
1484 | lpfc_param_hex_show(name)\ | |
1485 | lpfc_param_init(name, defval, minval, maxval)\ | |
ee959b00 | 1486 | static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
93a20f74 JSEC |
1487 | |
1488 | #define LPFC_ATTR_HEX_RW(name, defval, minval, maxval, desc) \ | |
1489 | static int lpfc_##name = defval;\ | |
1490 | module_param(lpfc_##name, int, 0);\ | |
1491 | MODULE_PARM_DESC(lpfc_##name, desc);\ | |
1492 | lpfc_param_hex_show(name)\ | |
1493 | lpfc_param_init(name, defval, minval, maxval)\ | |
1494 | lpfc_param_set(name, defval, minval, maxval)\ | |
1495 | lpfc_param_store(name)\ | |
ee959b00 TJ |
1496 | static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
1497 | lpfc_##name##_show, lpfc_##name##_store) | |
93a20f74 | 1498 | |
3de2a653 JS |
1499 | #define LPFC_VPORT_ATTR(name, defval, minval, maxval, desc) \ |
1500 | static int lpfc_##name = defval;\ | |
1501 | module_param(lpfc_##name, int, 0);\ | |
1502 | MODULE_PARM_DESC(lpfc_##name, desc);\ | |
1503 | lpfc_vport_param_init(name, defval, minval, maxval) | |
1504 | ||
1505 | #define LPFC_VPORT_ATTR_R(name, defval, minval, maxval, desc) \ | |
1506 | static int lpfc_##name = defval;\ | |
1507 | module_param(lpfc_##name, int, 0);\ | |
1508 | MODULE_PARM_DESC(lpfc_##name, desc);\ | |
1509 | lpfc_vport_param_show(name)\ | |
1510 | lpfc_vport_param_init(name, defval, minval, maxval)\ | |
ee959b00 | 1511 | static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
3de2a653 JS |
1512 | |
1513 | #define LPFC_VPORT_ATTR_RW(name, defval, minval, maxval, desc) \ | |
1514 | static int lpfc_##name = defval;\ | |
1515 | module_param(lpfc_##name, int, 0);\ | |
1516 | MODULE_PARM_DESC(lpfc_##name, desc);\ | |
1517 | lpfc_vport_param_show(name)\ | |
1518 | lpfc_vport_param_init(name, defval, minval, maxval)\ | |
1519 | lpfc_vport_param_set(name, defval, minval, maxval)\ | |
1520 | lpfc_vport_param_store(name)\ | |
ee959b00 TJ |
1521 | static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
1522 | lpfc_##name##_show, lpfc_##name##_store) | |
3de2a653 JS |
1523 | |
1524 | #define LPFC_VPORT_ATTR_HEX_R(name, defval, minval, maxval, desc) \ | |
1525 | static int lpfc_##name = defval;\ | |
1526 | module_param(lpfc_##name, int, 0);\ | |
1527 | MODULE_PARM_DESC(lpfc_##name, desc);\ | |
1528 | lpfc_vport_param_hex_show(name)\ | |
1529 | lpfc_vport_param_init(name, defval, minval, maxval)\ | |
ee959b00 | 1530 | static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
3de2a653 JS |
1531 | |
1532 | #define LPFC_VPORT_ATTR_HEX_RW(name, defval, minval, maxval, desc) \ | |
1533 | static int lpfc_##name = defval;\ | |
1534 | module_param(lpfc_##name, int, 0);\ | |
1535 | MODULE_PARM_DESC(lpfc_##name, desc);\ | |
1536 | lpfc_vport_param_hex_show(name)\ | |
1537 | lpfc_vport_param_init(name, defval, minval, maxval)\ | |
1538 | lpfc_vport_param_set(name, defval, minval, maxval)\ | |
1539 | lpfc_vport_param_store(name)\ | |
ee959b00 TJ |
1540 | static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
1541 | lpfc_##name##_show, lpfc_##name##_store) | |
1542 | ||
81301a9b JS |
1543 | static DEVICE_ATTR(bg_info, S_IRUGO, lpfc_bg_info_show, NULL); |
1544 | static DEVICE_ATTR(bg_guard_err, S_IRUGO, lpfc_bg_guard_err_show, NULL); | |
1545 | static DEVICE_ATTR(bg_apptag_err, S_IRUGO, lpfc_bg_apptag_err_show, NULL); | |
1546 | static DEVICE_ATTR(bg_reftag_err, S_IRUGO, lpfc_bg_reftag_err_show, NULL); | |
ee959b00 TJ |
1547 | static DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL); |
1548 | static DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL); | |
1549 | static DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL); | |
1550 | static DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL); | |
1551 | static DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL); | |
1552 | static DEVICE_ATTR(portnum, S_IRUGO, lpfc_vportnum_show, NULL); | |
1553 | static DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL); | |
1554 | static DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL); | |
bbd1ae41 | 1555 | static DEVICE_ATTR(link_state, S_IRUGO, lpfc_link_state_show, NULL); |
ee959b00 TJ |
1556 | static DEVICE_ATTR(option_rom_version, S_IRUGO, |
1557 | lpfc_option_rom_version_show, NULL); | |
1558 | static DEVICE_ATTR(num_discovered_ports, S_IRUGO, | |
1559 | lpfc_num_discovered_ports_show, NULL); | |
84774a4d | 1560 | static DEVICE_ATTR(menlo_mgmt_mode, S_IRUGO, lpfc_mlomgmt_show, NULL); |
ee959b00 TJ |
1561 | static DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL); |
1562 | static DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show, NULL); | |
1563 | static DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR, | |
1564 | lpfc_board_mode_show, lpfc_board_mode_store); | |
1565 | static DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset); | |
1566 | static DEVICE_ATTR(max_vpi, S_IRUGO, lpfc_max_vpi_show, NULL); | |
1567 | static DEVICE_ATTR(used_vpi, S_IRUGO, lpfc_used_vpi_show, NULL); | |
1568 | static DEVICE_ATTR(max_rpi, S_IRUGO, lpfc_max_rpi_show, NULL); | |
1569 | static DEVICE_ATTR(used_rpi, S_IRUGO, lpfc_used_rpi_show, NULL); | |
1570 | static DEVICE_ATTR(max_xri, S_IRUGO, lpfc_max_xri_show, NULL); | |
1571 | static DEVICE_ATTR(used_xri, S_IRUGO, lpfc_used_xri_show, NULL); | |
1572 | static DEVICE_ATTR(npiv_info, S_IRUGO, lpfc_npiv_info_show, NULL); | |
1573 | static DEVICE_ATTR(lpfc_temp_sensor, S_IRUGO, lpfc_temp_sensor_show, NULL); | |
dea3101e | 1574 | |
c3f28afa | 1575 | |
a12e07bc | 1576 | static char *lpfc_soft_wwn_key = "C99G71SL8032A"; |
c3f28afa | 1577 | |
e59058c4 | 1578 | /** |
3621a710 | 1579 | * lpfc_soft_wwn_enable_store - Allows setting of the wwn if the key is valid |
e59058c4 JS |
1580 | * @dev: class device that is converted into a Scsi_host. |
1581 | * @attr: device attribute, not used. | |
1582 | * @buf: containing the string lpfc_soft_wwn_key. | |
1583 | * @count: must be size of lpfc_soft_wwn_key. | |
1584 | * | |
1585 | * Returns: | |
1586 | * -EINVAL if the buffer does not contain lpfc_soft_wwn_key | |
1587 | * length of buf indicates success | |
1588 | **/ | |
c3f28afa | 1589 | static ssize_t |
ee959b00 TJ |
1590 | lpfc_soft_wwn_enable_store(struct device *dev, struct device_attribute *attr, |
1591 | const char *buf, size_t count) | |
c3f28afa | 1592 | { |
ee959b00 | 1593 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1594 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1595 | struct lpfc_hba *phba = vport->phba; | |
c3f28afa JS |
1596 | unsigned int cnt = count; |
1597 | ||
1598 | /* | |
1599 | * We're doing a simple sanity check for soft_wwpn setting. | |
1600 | * We require that the user write a specific key to enable | |
1601 | * the soft_wwpn attribute to be settable. Once the attribute | |
1602 | * is written, the enable key resets. If further updates are | |
1603 | * desired, the key must be written again to re-enable the | |
1604 | * attribute. | |
1605 | * | |
1606 | * The "key" is not secret - it is a hardcoded string shown | |
1607 | * here. The intent is to protect against the random user or | |
1608 | * application that is just writing attributes. | |
1609 | */ | |
1610 | ||
1611 | /* count may include a LF at end of string */ | |
1612 | if (buf[cnt-1] == '\n') | |
1613 | cnt--; | |
1614 | ||
a12e07bc JS |
1615 | if ((cnt != strlen(lpfc_soft_wwn_key)) || |
1616 | (strncmp(buf, lpfc_soft_wwn_key, strlen(lpfc_soft_wwn_key)) != 0)) | |
c3f28afa JS |
1617 | return -EINVAL; |
1618 | ||
a12e07bc | 1619 | phba->soft_wwn_enable = 1; |
c3f28afa JS |
1620 | return count; |
1621 | } | |
ee959b00 TJ |
1622 | static DEVICE_ATTR(lpfc_soft_wwn_enable, S_IWUSR, NULL, |
1623 | lpfc_soft_wwn_enable_store); | |
c3f28afa | 1624 | |
e59058c4 | 1625 | /** |
3621a710 | 1626 | * lpfc_soft_wwpn_show - Return the cfg soft ww port name of the adapter |
e59058c4 JS |
1627 | * @dev: class device that is converted into a Scsi_host. |
1628 | * @attr: device attribute, not used. | |
3621a710 | 1629 | * @buf: on return contains the wwpn in hexadecimal. |
e59058c4 JS |
1630 | * |
1631 | * Returns: size of formatted string. | |
1632 | **/ | |
c3f28afa | 1633 | static ssize_t |
ee959b00 TJ |
1634 | lpfc_soft_wwpn_show(struct device *dev, struct device_attribute *attr, |
1635 | char *buf) | |
c3f28afa | 1636 | { |
ee959b00 | 1637 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1638 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1639 | struct lpfc_hba *phba = vport->phba; | |
1640 | ||
afc071e6 RD |
1641 | return snprintf(buf, PAGE_SIZE, "0x%llx\n", |
1642 | (unsigned long long)phba->cfg_soft_wwpn); | |
c3f28afa JS |
1643 | } |
1644 | ||
e59058c4 | 1645 | /** |
3621a710 | 1646 | * lpfc_soft_wwpn_store - Set the ww port name of the adapter |
e59058c4 JS |
1647 | * @dev class device that is converted into a Scsi_host. |
1648 | * @attr: device attribute, not used. | |
3621a710 | 1649 | * @buf: contains the wwpn in hexadecimal. |
e59058c4 JS |
1650 | * @count: number of wwpn bytes in buf |
1651 | * | |
1652 | * Returns: | |
1653 | * -EACCES hba reset not enabled, adapter over temp | |
1654 | * -EINVAL soft wwn not enabled, count is invalid, invalid wwpn byte invalid | |
1655 | * -EIO error taking adapter offline or online | |
1656 | * value of count on success | |
1657 | **/ | |
c3f28afa | 1658 | static ssize_t |
ee959b00 TJ |
1659 | lpfc_soft_wwpn_store(struct device *dev, struct device_attribute *attr, |
1660 | const char *buf, size_t count) | |
c3f28afa | 1661 | { |
ee959b00 | 1662 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1663 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1664 | struct lpfc_hba *phba = vport->phba; | |
c3f28afa JS |
1665 | struct completion online_compl; |
1666 | int stat1=0, stat2=0; | |
1667 | unsigned int i, j, cnt=count; | |
1668 | u8 wwpn[8]; | |
1669 | ||
13815c83 JS |
1670 | if (!phba->cfg_enable_hba_reset) |
1671 | return -EACCES; | |
7af67051 JS |
1672 | spin_lock_irq(&phba->hbalock); |
1673 | if (phba->over_temp_state == HBA_OVER_TEMP) { | |
1674 | spin_unlock_irq(&phba->hbalock); | |
09372820 | 1675 | return -EACCES; |
7af67051 JS |
1676 | } |
1677 | spin_unlock_irq(&phba->hbalock); | |
c3f28afa JS |
1678 | /* count may include a LF at end of string */ |
1679 | if (buf[cnt-1] == '\n') | |
1680 | cnt--; | |
1681 | ||
a12e07bc | 1682 | if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) || |
c3f28afa JS |
1683 | ((cnt == 17) && (*buf++ != 'x')) || |
1684 | ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x')))) | |
1685 | return -EINVAL; | |
1686 | ||
a12e07bc | 1687 | phba->soft_wwn_enable = 0; |
c3f28afa JS |
1688 | |
1689 | memset(wwpn, 0, sizeof(wwpn)); | |
1690 | ||
1691 | /* Validate and store the new name */ | |
1692 | for (i=0, j=0; i < 16; i++) { | |
1693 | if ((*buf >= 'a') && (*buf <= 'f')) | |
1694 | j = ((j << 4) | ((*buf++ -'a') + 10)); | |
1695 | else if ((*buf >= 'A') && (*buf <= 'F')) | |
1696 | j = ((j << 4) | ((*buf++ -'A') + 10)); | |
1697 | else if ((*buf >= '0') && (*buf <= '9')) | |
1698 | j = ((j << 4) | (*buf++ -'0')); | |
1699 | else | |
1700 | return -EINVAL; | |
1701 | if (i % 2) { | |
1702 | wwpn[i/2] = j & 0xff; | |
1703 | j = 0; | |
1704 | } | |
1705 | } | |
1706 | phba->cfg_soft_wwpn = wwn_to_u64(wwpn); | |
2e0fef85 | 1707 | fc_host_port_name(shost) = phba->cfg_soft_wwpn; |
a12e07bc | 1708 | if (phba->cfg_soft_wwnn) |
2e0fef85 | 1709 | fc_host_node_name(shost) = phba->cfg_soft_wwnn; |
c3f28afa JS |
1710 | |
1711 | dev_printk(KERN_NOTICE, &phba->pcidev->dev, | |
1712 | "lpfc%d: Reinitializing to use soft_wwpn\n", phba->brd_no); | |
1713 | ||
46fa311e | 1714 | stat1 = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); |
c3f28afa JS |
1715 | if (stat1) |
1716 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
e8b62011 JS |
1717 | "0463 lpfc_soft_wwpn attribute set failed to " |
1718 | "reinit adapter - %d\n", stat1); | |
c3f28afa JS |
1719 | init_completion(&online_compl); |
1720 | lpfc_workq_post_event(phba, &stat2, &online_compl, LPFC_EVT_ONLINE); | |
1721 | wait_for_completion(&online_compl); | |
1722 | if (stat2) | |
1723 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
e8b62011 JS |
1724 | "0464 lpfc_soft_wwpn attribute set failed to " |
1725 | "reinit adapter - %d\n", stat2); | |
c3f28afa JS |
1726 | return (stat1 || stat2) ? -EIO : count; |
1727 | } | |
ee959b00 TJ |
1728 | static DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR,\ |
1729 | lpfc_soft_wwpn_show, lpfc_soft_wwpn_store); | |
c3f28afa | 1730 | |
e59058c4 | 1731 | /** |
3621a710 | 1732 | * lpfc_soft_wwnn_show - Return the cfg soft ww node name for the adapter |
e59058c4 JS |
1733 | * @dev: class device that is converted into a Scsi_host. |
1734 | * @attr: device attribute, not used. | |
3621a710 | 1735 | * @buf: on return contains the wwnn in hexadecimal. |
e59058c4 JS |
1736 | * |
1737 | * Returns: size of formatted string. | |
1738 | **/ | |
a12e07bc | 1739 | static ssize_t |
ee959b00 TJ |
1740 | lpfc_soft_wwnn_show(struct device *dev, struct device_attribute *attr, |
1741 | char *buf) | |
a12e07bc | 1742 | { |
ee959b00 | 1743 | struct Scsi_Host *shost = class_to_shost(dev); |
51ef4c26 | 1744 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; |
a12e07bc JS |
1745 | return snprintf(buf, PAGE_SIZE, "0x%llx\n", |
1746 | (unsigned long long)phba->cfg_soft_wwnn); | |
1747 | } | |
1748 | ||
e59058c4 | 1749 | /** |
3621a710 | 1750 | * lpfc_soft_wwnn_store - sets the ww node name of the adapter |
e59058c4 | 1751 | * @cdev: class device that is converted into a Scsi_host. |
3621a710 | 1752 | * @buf: contains the ww node name in hexadecimal. |
e59058c4 JS |
1753 | * @count: number of wwnn bytes in buf. |
1754 | * | |
1755 | * Returns: | |
1756 | * -EINVAL soft wwn not enabled, count is invalid, invalid wwnn byte invalid | |
1757 | * value of count on success | |
1758 | **/ | |
a12e07bc | 1759 | static ssize_t |
ee959b00 TJ |
1760 | lpfc_soft_wwnn_store(struct device *dev, struct device_attribute *attr, |
1761 | const char *buf, size_t count) | |
a12e07bc | 1762 | { |
ee959b00 | 1763 | struct Scsi_Host *shost = class_to_shost(dev); |
51ef4c26 | 1764 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; |
a12e07bc JS |
1765 | unsigned int i, j, cnt=count; |
1766 | u8 wwnn[8]; | |
1767 | ||
1768 | /* count may include a LF at end of string */ | |
1769 | if (buf[cnt-1] == '\n') | |
1770 | cnt--; | |
1771 | ||
1772 | if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) || | |
1773 | ((cnt == 17) && (*buf++ != 'x')) || | |
1774 | ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x')))) | |
1775 | return -EINVAL; | |
1776 | ||
1777 | /* | |
1778 | * Allow wwnn to be set many times, as long as the enable is set. | |
1779 | * However, once the wwpn is set, everything locks. | |
1780 | */ | |
1781 | ||
1782 | memset(wwnn, 0, sizeof(wwnn)); | |
1783 | ||
1784 | /* Validate and store the new name */ | |
1785 | for (i=0, j=0; i < 16; i++) { | |
1786 | if ((*buf >= 'a') && (*buf <= 'f')) | |
1787 | j = ((j << 4) | ((*buf++ -'a') + 10)); | |
1788 | else if ((*buf >= 'A') && (*buf <= 'F')) | |
1789 | j = ((j << 4) | ((*buf++ -'A') + 10)); | |
1790 | else if ((*buf >= '0') && (*buf <= '9')) | |
1791 | j = ((j << 4) | (*buf++ -'0')); | |
1792 | else | |
1793 | return -EINVAL; | |
1794 | if (i % 2) { | |
1795 | wwnn[i/2] = j & 0xff; | |
1796 | j = 0; | |
1797 | } | |
1798 | } | |
1799 | phba->cfg_soft_wwnn = wwn_to_u64(wwnn); | |
1800 | ||
1801 | dev_printk(KERN_NOTICE, &phba->pcidev->dev, | |
1802 | "lpfc%d: soft_wwnn set. Value will take effect upon " | |
1803 | "setting of the soft_wwpn\n", phba->brd_no); | |
1804 | ||
1805 | return count; | |
1806 | } | |
ee959b00 TJ |
1807 | static DEVICE_ATTR(lpfc_soft_wwnn, S_IRUGO | S_IWUSR,\ |
1808 | lpfc_soft_wwnn_show, lpfc_soft_wwnn_store); | |
a12e07bc | 1809 | |
c3f28afa | 1810 | |
875fbdfe JSEC |
1811 | static int lpfc_poll = 0; |
1812 | module_param(lpfc_poll, int, 0); | |
1813 | MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:" | |
1814 | " 0 - none," | |
1815 | " 1 - poll with interrupts enabled" | |
1816 | " 3 - poll and disable FCP ring interrupts"); | |
1817 | ||
ee959b00 TJ |
1818 | static DEVICE_ATTR(lpfc_poll, S_IRUGO | S_IWUSR, |
1819 | lpfc_poll_show, lpfc_poll_store); | |
dea3101e | 1820 | |
92d7f7b0 JS |
1821 | int lpfc_sli_mode = 0; |
1822 | module_param(lpfc_sli_mode, int, 0); | |
1823 | MODULE_PARM_DESC(lpfc_sli_mode, "SLI mode selector:" | |
1824 | " 0 - auto (SLI-3 if supported)," | |
1825 | " 2 - select SLI-2 even on SLI-3 capable HBAs," | |
1826 | " 3 - select SLI-3"); | |
1827 | ||
7ee5d43e JS |
1828 | int lpfc_enable_npiv = 0; |
1829 | module_param(lpfc_enable_npiv, int, 0); | |
1830 | MODULE_PARM_DESC(lpfc_enable_npiv, "Enable NPIV functionality"); | |
1831 | lpfc_param_show(enable_npiv); | |
1832 | lpfc_param_init(enable_npiv, 0, 0, 1); | |
ee959b00 | 1833 | static DEVICE_ATTR(lpfc_enable_npiv, S_IRUGO, |
7ee5d43e | 1834 | lpfc_enable_npiv_show, NULL); |
92d7f7b0 | 1835 | |
c01f3208 JS |
1836 | /* |
1837 | # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear | |
1838 | # until the timer expires. Value range is [0,255]. Default value is 30. | |
1839 | */ | |
1840 | static int lpfc_nodev_tmo = LPFC_DEF_DEVLOSS_TMO; | |
1841 | static int lpfc_devloss_tmo = LPFC_DEF_DEVLOSS_TMO; | |
1842 | module_param(lpfc_nodev_tmo, int, 0); | |
1843 | MODULE_PARM_DESC(lpfc_nodev_tmo, | |
1844 | "Seconds driver will hold I/O waiting " | |
1845 | "for a device to come back"); | |
e59058c4 JS |
1846 | |
1847 | /** | |
3621a710 | 1848 | * lpfc_nodev_tmo_show - Return the hba dev loss timeout value |
e59058c4 JS |
1849 | * @dev: class converted to a Scsi_host structure. |
1850 | * @attr: device attribute, not used. | |
1851 | * @buf: on return contains the dev loss timeout in decimal. | |
1852 | * | |
1853 | * Returns: size of formatted string. | |
1854 | **/ | |
c01f3208 | 1855 | static ssize_t |
ee959b00 TJ |
1856 | lpfc_nodev_tmo_show(struct device *dev, struct device_attribute *attr, |
1857 | char *buf) | |
c01f3208 | 1858 | { |
ee959b00 | 1859 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 | 1860 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
c01f3208 | 1861 | int val = 0; |
3de2a653 JS |
1862 | val = vport->cfg_devloss_tmo; |
1863 | return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_devloss_tmo); | |
c01f3208 JS |
1864 | } |
1865 | ||
e59058c4 | 1866 | /** |
3621a710 | 1867 | * lpfc_nodev_tmo_init - Set the hba nodev timeout value |
e59058c4 JS |
1868 | * @vport: lpfc vport structure pointer. |
1869 | * @val: contains the nodev timeout value. | |
1870 | * | |
1871 | * Description: | |
1872 | * If the devloss tmo is already set then nodev tmo is set to devloss tmo, | |
1873 | * a kernel error message is printed and zero is returned. | |
1874 | * Else if val is in range then nodev tmo and devloss tmo are set to val. | |
1875 | * Otherwise nodev tmo is set to the default value. | |
1876 | * | |
1877 | * Returns: | |
1878 | * zero if already set or if val is in range | |
1879 | * -EINVAL val out of range | |
1880 | **/ | |
c01f3208 | 1881 | static int |
3de2a653 JS |
1882 | lpfc_nodev_tmo_init(struct lpfc_vport *vport, int val) |
1883 | { | |
1884 | if (vport->cfg_devloss_tmo != LPFC_DEF_DEVLOSS_TMO) { | |
1885 | vport->cfg_nodev_tmo = vport->cfg_devloss_tmo; | |
1886 | if (val != LPFC_DEF_DEVLOSS_TMO) | |
e8b62011 | 1887 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 1888 | "0407 Ignoring nodev_tmo module " |
e8b62011 JS |
1889 | "parameter because devloss_tmo is " |
1890 | "set.\n"); | |
c01f3208 JS |
1891 | return 0; |
1892 | } | |
1893 | ||
1894 | if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { | |
3de2a653 JS |
1895 | vport->cfg_nodev_tmo = val; |
1896 | vport->cfg_devloss_tmo = val; | |
c01f3208 JS |
1897 | return 0; |
1898 | } | |
e8b62011 JS |
1899 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
1900 | "0400 lpfc_nodev_tmo attribute cannot be set to" | |
1901 | " %d, allowed range is [%d, %d]\n", | |
1902 | val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO); | |
3de2a653 | 1903 | vport->cfg_nodev_tmo = LPFC_DEF_DEVLOSS_TMO; |
c01f3208 JS |
1904 | return -EINVAL; |
1905 | } | |
1906 | ||
e59058c4 | 1907 | /** |
3621a710 | 1908 | * lpfc_update_rport_devloss_tmo - Update dev loss tmo value |
e59058c4 JS |
1909 | * @vport: lpfc vport structure pointer. |
1910 | * | |
1911 | * Description: | |
1912 | * Update all the ndlp's dev loss tmo with the vport devloss tmo value. | |
1913 | **/ | |
7054a606 | 1914 | static void |
3de2a653 | 1915 | lpfc_update_rport_devloss_tmo(struct lpfc_vport *vport) |
7054a606 | 1916 | { |
858c9f6c | 1917 | struct Scsi_Host *shost; |
7054a606 JS |
1918 | struct lpfc_nodelist *ndlp; |
1919 | ||
51ef4c26 JS |
1920 | shost = lpfc_shost_from_vport(vport); |
1921 | spin_lock_irq(shost->host_lock); | |
1922 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) | |
e47c9093 | 1923 | if (NLP_CHK_NODE_ACT(ndlp) && ndlp->rport) |
51ef4c26 JS |
1924 | ndlp->rport->dev_loss_tmo = vport->cfg_devloss_tmo; |
1925 | spin_unlock_irq(shost->host_lock); | |
7054a606 JS |
1926 | } |
1927 | ||
e59058c4 | 1928 | /** |
3621a710 | 1929 | * lpfc_nodev_tmo_set - Set the vport nodev tmo and devloss tmo values |
e59058c4 JS |
1930 | * @vport: lpfc vport structure pointer. |
1931 | * @val: contains the tmo value. | |
1932 | * | |
1933 | * Description: | |
1934 | * If the devloss tmo is already set or the vport dev loss tmo has changed | |
1935 | * then a kernel error message is printed and zero is returned. | |
1936 | * Else if val is in range then nodev tmo and devloss tmo are set to val. | |
1937 | * Otherwise nodev tmo is set to the default value. | |
1938 | * | |
1939 | * Returns: | |
1940 | * zero if already set or if val is in range | |
1941 | * -EINVAL val out of range | |
1942 | **/ | |
c01f3208 | 1943 | static int |
3de2a653 | 1944 | lpfc_nodev_tmo_set(struct lpfc_vport *vport, int val) |
c01f3208 | 1945 | { |
3de2a653 JS |
1946 | if (vport->dev_loss_tmo_changed || |
1947 | (lpfc_devloss_tmo != LPFC_DEF_DEVLOSS_TMO)) { | |
e8b62011 JS |
1948 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
1949 | "0401 Ignoring change to nodev_tmo " | |
1950 | "because devloss_tmo is set.\n"); | |
c01f3208 JS |
1951 | return 0; |
1952 | } | |
c01f3208 | 1953 | if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { |
3de2a653 JS |
1954 | vport->cfg_nodev_tmo = val; |
1955 | vport->cfg_devloss_tmo = val; | |
1956 | lpfc_update_rport_devloss_tmo(vport); | |
c01f3208 JS |
1957 | return 0; |
1958 | } | |
e8b62011 JS |
1959 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
1960 | "0403 lpfc_nodev_tmo attribute cannot be set to" | |
1961 | "%d, allowed range is [%d, %d]\n", | |
1962 | val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO); | |
c01f3208 JS |
1963 | return -EINVAL; |
1964 | } | |
1965 | ||
3de2a653 | 1966 | lpfc_vport_param_store(nodev_tmo) |
c01f3208 | 1967 | |
ee959b00 TJ |
1968 | static DEVICE_ATTR(lpfc_nodev_tmo, S_IRUGO | S_IWUSR, |
1969 | lpfc_nodev_tmo_show, lpfc_nodev_tmo_store); | |
c01f3208 JS |
1970 | |
1971 | /* | |
1972 | # lpfc_devloss_tmo: If set, it will hold all I/O errors on devices that | |
1973 | # disappear until the timer expires. Value range is [0,255]. Default | |
1974 | # value is 30. | |
1975 | */ | |
1976 | module_param(lpfc_devloss_tmo, int, 0); | |
1977 | MODULE_PARM_DESC(lpfc_devloss_tmo, | |
1978 | "Seconds driver will hold I/O waiting " | |
1979 | "for a device to come back"); | |
3de2a653 JS |
1980 | lpfc_vport_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO, |
1981 | LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO) | |
1982 | lpfc_vport_param_show(devloss_tmo) | |
e59058c4 JS |
1983 | |
1984 | /** | |
3621a710 | 1985 | * lpfc_devloss_tmo_set - Sets vport nodev tmo, devloss tmo values, changed bit |
e59058c4 JS |
1986 | * @vport: lpfc vport structure pointer. |
1987 | * @val: contains the tmo value. | |
1988 | * | |
1989 | * Description: | |
1990 | * If val is in a valid range then set the vport nodev tmo, | |
1991 | * devloss tmo, also set the vport dev loss tmo changed flag. | |
1992 | * Else a kernel error message is printed. | |
1993 | * | |
1994 | * Returns: | |
1995 | * zero if val is in range | |
1996 | * -EINVAL val out of range | |
1997 | **/ | |
c01f3208 | 1998 | static int |
3de2a653 | 1999 | lpfc_devloss_tmo_set(struct lpfc_vport *vport, int val) |
c01f3208 JS |
2000 | { |
2001 | if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { | |
3de2a653 JS |
2002 | vport->cfg_nodev_tmo = val; |
2003 | vport->cfg_devloss_tmo = val; | |
2004 | vport->dev_loss_tmo_changed = 1; | |
2005 | lpfc_update_rport_devloss_tmo(vport); | |
c01f3208 JS |
2006 | return 0; |
2007 | } | |
2008 | ||
e8b62011 JS |
2009 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
2010 | "0404 lpfc_devloss_tmo attribute cannot be set to" | |
2011 | " %d, allowed range is [%d, %d]\n", | |
2012 | val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO); | |
c01f3208 JS |
2013 | return -EINVAL; |
2014 | } | |
2015 | ||
3de2a653 | 2016 | lpfc_vport_param_store(devloss_tmo) |
ee959b00 TJ |
2017 | static DEVICE_ATTR(lpfc_devloss_tmo, S_IRUGO | S_IWUSR, |
2018 | lpfc_devloss_tmo_show, lpfc_devloss_tmo_store); | |
c01f3208 | 2019 | |
dea3101e | 2020 | /* |
2021 | # lpfc_log_verbose: Only turn this flag on if you are willing to risk being | |
2022 | # deluged with LOTS of information. | |
2023 | # You can set a bit mask to record specific types of verbose messages: | |
2024 | # | |
2025 | # LOG_ELS 0x1 ELS events | |
2026 | # LOG_DISCOVERY 0x2 Link discovery events | |
2027 | # LOG_MBOX 0x4 Mailbox events | |
2028 | # LOG_INIT 0x8 Initialization events | |
2029 | # LOG_LINK_EVENT 0x10 Link events | |
dea3101e | 2030 | # LOG_FCP 0x40 FCP traffic history |
2031 | # LOG_NODE 0x80 Node table events | |
81301a9b | 2032 | # LOG_BG 0x200 BlockBuard events |
dea3101e | 2033 | # LOG_MISC 0x400 Miscellaneous events |
2034 | # LOG_SLI 0x800 SLI events | |
c7743956 | 2035 | # LOG_FCP_ERROR 0x1000 Only log FCP errors |
dea3101e | 2036 | # LOG_LIBDFC 0x2000 LIBDFC events |
2037 | # LOG_ALL_MSG 0xffff LOG all messages | |
2038 | */ | |
e8b62011 JS |
2039 | LPFC_VPORT_ATTR_HEX_RW(log_verbose, 0x0, 0x0, 0xffff, |
2040 | "Verbose logging bit-mask"); | |
dea3101e | 2041 | |
7ee5d43e JS |
2042 | /* |
2043 | # lpfc_enable_da_id: This turns on the DA_ID CT command that deregisters | |
2044 | # objects that have been registered with the nameserver after login. | |
2045 | */ | |
2046 | LPFC_VPORT_ATTR_R(enable_da_id, 0, 0, 1, | |
2047 | "Deregister nameserver objects before LOGO"); | |
2048 | ||
dea3101e | 2049 | /* |
2050 | # lun_queue_depth: This parameter is used to limit the number of outstanding | |
2051 | # commands per FCP LUN. Value range is [1,128]. Default value is 30. | |
2052 | */ | |
3de2a653 JS |
2053 | LPFC_VPORT_ATTR_R(lun_queue_depth, 30, 1, 128, |
2054 | "Max number of FCP commands we can queue to a specific LUN"); | |
dea3101e | 2055 | |
b28485ac JW |
2056 | /* |
2057 | # hba_queue_depth: This parameter is used to limit the number of outstanding | |
2058 | # commands per lpfc HBA. Value range is [32,8192]. If this parameter | |
2059 | # value is greater than the maximum number of exchanges supported by the HBA, | |
2060 | # then maximum number of exchanges supported by the HBA is used to determine | |
2061 | # the hba_queue_depth. | |
2062 | */ | |
2063 | LPFC_ATTR_R(hba_queue_depth, 8192, 32, 8192, | |
2064 | "Max number of FCP commands we can queue to a lpfc HBA"); | |
2065 | ||
92d7f7b0 JS |
2066 | /* |
2067 | # peer_port_login: This parameter allows/prevents logins | |
2068 | # between peer ports hosted on the same physical port. | |
2069 | # When this parameter is set 0 peer ports of same physical port | |
2070 | # are not allowed to login to each other. | |
2071 | # When this parameter is set 1 peer ports of same physical port | |
2072 | # are allowed to login to each other. | |
2073 | # Default value of this parameter is 0. | |
2074 | */ | |
3de2a653 JS |
2075 | LPFC_VPORT_ATTR_R(peer_port_login, 0, 0, 1, |
2076 | "Allow peer ports on the same physical port to login to each " | |
2077 | "other."); | |
92d7f7b0 JS |
2078 | |
2079 | /* | |
3de2a653 | 2080 | # restrict_login: This parameter allows/prevents logins |
92d7f7b0 JS |
2081 | # between Virtual Ports and remote initiators. |
2082 | # When this parameter is not set (0) Virtual Ports will accept PLOGIs from | |
2083 | # other initiators and will attempt to PLOGI all remote ports. | |
2084 | # When this parameter is set (1) Virtual Ports will reject PLOGIs from | |
2085 | # remote ports and will not attempt to PLOGI to other initiators. | |
2086 | # This parameter does not restrict to the physical port. | |
2087 | # This parameter does not restrict logins to Fabric resident remote ports. | |
2088 | # Default value of this parameter is 1. | |
2089 | */ | |
3de2a653 JS |
2090 | static int lpfc_restrict_login = 1; |
2091 | module_param(lpfc_restrict_login, int, 0); | |
2092 | MODULE_PARM_DESC(lpfc_restrict_login, | |
2093 | "Restrict virtual ports login to remote initiators."); | |
2094 | lpfc_vport_param_show(restrict_login); | |
2095 | ||
e59058c4 | 2096 | /** |
3621a710 | 2097 | * lpfc_restrict_login_init - Set the vport restrict login flag |
e59058c4 JS |
2098 | * @vport: lpfc vport structure pointer. |
2099 | * @val: contains the restrict login value. | |
2100 | * | |
2101 | * Description: | |
2102 | * If val is not in a valid range then log a kernel error message and set | |
2103 | * the vport restrict login to one. | |
2104 | * If the port type is physical clear the restrict login flag and return. | |
2105 | * Else set the restrict login flag to val. | |
2106 | * | |
2107 | * Returns: | |
2108 | * zero if val is in range | |
2109 | * -EINVAL val out of range | |
2110 | **/ | |
3de2a653 JS |
2111 | static int |
2112 | lpfc_restrict_login_init(struct lpfc_vport *vport, int val) | |
2113 | { | |
2114 | if (val < 0 || val > 1) { | |
e8b62011 | 2115 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 2116 | "0422 lpfc_restrict_login attribute cannot " |
e8b62011 JS |
2117 | "be set to %d, allowed range is [0, 1]\n", |
2118 | val); | |
3de2a653 JS |
2119 | vport->cfg_restrict_login = 1; |
2120 | return -EINVAL; | |
2121 | } | |
2122 | if (vport->port_type == LPFC_PHYSICAL_PORT) { | |
2123 | vport->cfg_restrict_login = 0; | |
2124 | return 0; | |
2125 | } | |
2126 | vport->cfg_restrict_login = val; | |
2127 | return 0; | |
2128 | } | |
2129 | ||
e59058c4 | 2130 | /** |
3621a710 | 2131 | * lpfc_restrict_login_set - Set the vport restrict login flag |
e59058c4 JS |
2132 | * @vport: lpfc vport structure pointer. |
2133 | * @val: contains the restrict login value. | |
2134 | * | |
2135 | * Description: | |
2136 | * If val is not in a valid range then log a kernel error message and set | |
2137 | * the vport restrict login to one. | |
2138 | * If the port type is physical and the val is not zero log a kernel | |
2139 | * error message, clear the restrict login flag and return zero. | |
2140 | * Else set the restrict login flag to val. | |
2141 | * | |
2142 | * Returns: | |
2143 | * zero if val is in range | |
2144 | * -EINVAL val out of range | |
2145 | **/ | |
3de2a653 JS |
2146 | static int |
2147 | lpfc_restrict_login_set(struct lpfc_vport *vport, int val) | |
2148 | { | |
2149 | if (val < 0 || val > 1) { | |
e8b62011 | 2150 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 2151 | "0425 lpfc_restrict_login attribute cannot " |
e8b62011 JS |
2152 | "be set to %d, allowed range is [0, 1]\n", |
2153 | val); | |
3de2a653 JS |
2154 | vport->cfg_restrict_login = 1; |
2155 | return -EINVAL; | |
2156 | } | |
2157 | if (vport->port_type == LPFC_PHYSICAL_PORT && val != 0) { | |
e8b62011 JS |
2158 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
2159 | "0468 lpfc_restrict_login must be 0 for " | |
2160 | "Physical ports.\n"); | |
3de2a653 JS |
2161 | vport->cfg_restrict_login = 0; |
2162 | return 0; | |
2163 | } | |
2164 | vport->cfg_restrict_login = val; | |
2165 | return 0; | |
2166 | } | |
2167 | lpfc_vport_param_store(restrict_login); | |
ee959b00 TJ |
2168 | static DEVICE_ATTR(lpfc_restrict_login, S_IRUGO | S_IWUSR, |
2169 | lpfc_restrict_login_show, lpfc_restrict_login_store); | |
92d7f7b0 | 2170 | |
dea3101e | 2171 | /* |
2172 | # Some disk devices have a "select ID" or "select Target" capability. | |
2173 | # From a protocol standpoint "select ID" usually means select the | |
2174 | # Fibre channel "ALPA". In the FC-AL Profile there is an "informative | |
2175 | # annex" which contains a table that maps a "select ID" (a number | |
2176 | # between 0 and 7F) to an ALPA. By default, for compatibility with | |
2177 | # older drivers, the lpfc driver scans this table from low ALPA to high | |
2178 | # ALPA. | |
2179 | # | |
2180 | # Turning on the scan-down variable (on = 1, off = 0) will | |
2181 | # cause the lpfc driver to use an inverted table, effectively | |
2182 | # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1. | |
2183 | # | |
2184 | # (Note: This "select ID" functionality is a LOOP ONLY characteristic | |
2185 | # and will not work across a fabric. Also this parameter will take | |
2186 | # effect only in the case when ALPA map is not available.) | |
2187 | */ | |
3de2a653 JS |
2188 | LPFC_VPORT_ATTR_R(scan_down, 1, 0, 1, |
2189 | "Start scanning for devices from highest ALPA to lowest"); | |
dea3101e | 2190 | |
dea3101e | 2191 | /* |
2192 | # lpfc_topology: link topology for init link | |
2193 | # 0x0 = attempt loop mode then point-to-point | |
367c2713 | 2194 | # 0x01 = internal loopback mode |
dea3101e | 2195 | # 0x02 = attempt point-to-point mode only |
2196 | # 0x04 = attempt loop mode only | |
2197 | # 0x06 = attempt point-to-point mode then loop | |
2198 | # Set point-to-point mode if you want to run as an N_Port. | |
2199 | # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6]. | |
2200 | # Default value is 0. | |
2201 | */ | |
e59058c4 JS |
2202 | |
2203 | /** | |
3621a710 | 2204 | * lpfc_topology_set - Set the adapters topology field |
e59058c4 JS |
2205 | * @phba: lpfc_hba pointer. |
2206 | * @val: topology value. | |
2207 | * | |
2208 | * Description: | |
2209 | * If val is in a valid range then set the adapter's topology field and | |
2210 | * issue a lip; if the lip fails reset the topology to the old value. | |
2211 | * | |
2212 | * If the value is not in range log a kernel error message and return an error. | |
2213 | * | |
2214 | * Returns: | |
2215 | * zero if val is in range and lip okay | |
2216 | * non-zero return value from lpfc_issue_lip() | |
2217 | * -EINVAL val out of range | |
2218 | **/ | |
a257bf90 JS |
2219 | static ssize_t |
2220 | lpfc_topology_store(struct device *dev, struct device_attribute *attr, | |
2221 | const char *buf, size_t count) | |
83108bd3 | 2222 | { |
a257bf90 JS |
2223 | struct Scsi_Host *shost = class_to_shost(dev); |
2224 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2225 | struct lpfc_hba *phba = vport->phba; | |
2226 | int val = 0; | |
2227 | int nolip = 0; | |
2228 | const char *val_buf = buf; | |
83108bd3 JS |
2229 | int err; |
2230 | uint32_t prev_val; | |
a257bf90 JS |
2231 | |
2232 | if (!strncmp(buf, "nolip ", strlen("nolip "))) { | |
2233 | nolip = 1; | |
2234 | val_buf = &buf[strlen("nolip ")]; | |
2235 | } | |
2236 | ||
2237 | if (!isdigit(val_buf[0])) | |
2238 | return -EINVAL; | |
2239 | if (sscanf(val_buf, "%i", &val) != 1) | |
2240 | return -EINVAL; | |
2241 | ||
83108bd3 JS |
2242 | if (val >= 0 && val <= 6) { |
2243 | prev_val = phba->cfg_topology; | |
2244 | phba->cfg_topology = val; | |
a257bf90 JS |
2245 | if (nolip) |
2246 | return strlen(buf); | |
2247 | ||
83108bd3 | 2248 | err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport)); |
a257bf90 | 2249 | if (err) { |
83108bd3 | 2250 | phba->cfg_topology = prev_val; |
a257bf90 JS |
2251 | return -EINVAL; |
2252 | } else | |
2253 | return strlen(buf); | |
83108bd3 JS |
2254 | } |
2255 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2256 | "%d:0467 lpfc_topology attribute cannot be set to %d, " | |
2257 | "allowed range is [0, 6]\n", | |
2258 | phba->brd_no, val); | |
2259 | return -EINVAL; | |
2260 | } | |
2261 | static int lpfc_topology = 0; | |
2262 | module_param(lpfc_topology, int, 0); | |
2263 | MODULE_PARM_DESC(lpfc_topology, "Select Fibre Channel topology"); | |
2264 | lpfc_param_show(topology) | |
2265 | lpfc_param_init(topology, 0, 0, 6) | |
ee959b00 | 2266 | static DEVICE_ATTR(lpfc_topology, S_IRUGO | S_IWUSR, |
83108bd3 | 2267 | lpfc_topology_show, lpfc_topology_store); |
dea3101e | 2268 | |
ea2151b4 JS |
2269 | |
2270 | /** | |
3621a710 | 2271 | * lpfc_stat_data_ctrl_store - write call back for lpfc_stat_data_ctrl sysfs file |
ea2151b4 JS |
2272 | * @dev: Pointer to class device. |
2273 | * @buf: Data buffer. | |
2274 | * @count: Size of the data buffer. | |
2275 | * | |
2276 | * This function get called when an user write to the lpfc_stat_data_ctrl | |
2277 | * sysfs file. This function parse the command written to the sysfs file | |
2278 | * and take appropriate action. These commands are used for controlling | |
2279 | * driver statistical data collection. | |
2280 | * Following are the command this function handles. | |
2281 | * | |
2282 | * setbucket <bucket_type> <base> <step> | |
2283 | * = Set the latency buckets. | |
2284 | * destroybucket = destroy all the buckets. | |
2285 | * start = start data collection | |
2286 | * stop = stop data collection | |
2287 | * reset = reset the collected data | |
2288 | **/ | |
2289 | static ssize_t | |
2290 | lpfc_stat_data_ctrl_store(struct device *dev, struct device_attribute *attr, | |
2291 | const char *buf, size_t count) | |
2292 | { | |
2293 | struct Scsi_Host *shost = class_to_shost(dev); | |
2294 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2295 | struct lpfc_hba *phba = vport->phba; | |
2296 | #define LPFC_MAX_DATA_CTRL_LEN 1024 | |
2297 | static char bucket_data[LPFC_MAX_DATA_CTRL_LEN]; | |
2298 | unsigned long i; | |
2299 | char *str_ptr, *token; | |
2300 | struct lpfc_vport **vports; | |
2301 | struct Scsi_Host *v_shost; | |
2302 | char *bucket_type_str, *base_str, *step_str; | |
2303 | unsigned long base, step, bucket_type; | |
2304 | ||
2305 | if (!strncmp(buf, "setbucket", strlen("setbucket"))) { | |
a257bf90 | 2306 | if (strlen(buf) > (LPFC_MAX_DATA_CTRL_LEN - 1)) |
ea2151b4 JS |
2307 | return -EINVAL; |
2308 | ||
2309 | strcpy(bucket_data, buf); | |
2310 | str_ptr = &bucket_data[0]; | |
2311 | /* Ignore this token - this is command token */ | |
2312 | token = strsep(&str_ptr, "\t "); | |
2313 | if (!token) | |
2314 | return -EINVAL; | |
2315 | ||
2316 | bucket_type_str = strsep(&str_ptr, "\t "); | |
2317 | if (!bucket_type_str) | |
2318 | return -EINVAL; | |
2319 | ||
2320 | if (!strncmp(bucket_type_str, "linear", strlen("linear"))) | |
2321 | bucket_type = LPFC_LINEAR_BUCKET; | |
2322 | else if (!strncmp(bucket_type_str, "power2", strlen("power2"))) | |
2323 | bucket_type = LPFC_POWER2_BUCKET; | |
2324 | else | |
2325 | return -EINVAL; | |
2326 | ||
2327 | base_str = strsep(&str_ptr, "\t "); | |
2328 | if (!base_str) | |
2329 | return -EINVAL; | |
2330 | base = simple_strtoul(base_str, NULL, 0); | |
2331 | ||
2332 | step_str = strsep(&str_ptr, "\t "); | |
2333 | if (!step_str) | |
2334 | return -EINVAL; | |
2335 | step = simple_strtoul(step_str, NULL, 0); | |
2336 | if (!step) | |
2337 | return -EINVAL; | |
2338 | ||
2339 | /* Block the data collection for every vport */ | |
2340 | vports = lpfc_create_vport_work_array(phba); | |
2341 | if (vports == NULL) | |
2342 | return -ENOMEM; | |
2343 | ||
2344 | for (i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { | |
2345 | v_shost = lpfc_shost_from_vport(vports[i]); | |
2346 | spin_lock_irq(v_shost->host_lock); | |
2347 | /* Block and reset data collection */ | |
2348 | vports[i]->stat_data_blocked = 1; | |
2349 | if (vports[i]->stat_data_enabled) | |
2350 | lpfc_vport_reset_stat_data(vports[i]); | |
2351 | spin_unlock_irq(v_shost->host_lock); | |
2352 | } | |
2353 | ||
2354 | /* Set the bucket attributes */ | |
2355 | phba->bucket_type = bucket_type; | |
2356 | phba->bucket_base = base; | |
2357 | phba->bucket_step = step; | |
2358 | ||
2359 | for (i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { | |
2360 | v_shost = lpfc_shost_from_vport(vports[i]); | |
2361 | ||
2362 | /* Unblock data collection */ | |
2363 | spin_lock_irq(v_shost->host_lock); | |
2364 | vports[i]->stat_data_blocked = 0; | |
2365 | spin_unlock_irq(v_shost->host_lock); | |
2366 | } | |
2367 | lpfc_destroy_vport_work_array(phba, vports); | |
2368 | return strlen(buf); | |
2369 | } | |
2370 | ||
2371 | if (!strncmp(buf, "destroybucket", strlen("destroybucket"))) { | |
2372 | vports = lpfc_create_vport_work_array(phba); | |
2373 | if (vports == NULL) | |
2374 | return -ENOMEM; | |
2375 | ||
2376 | for (i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { | |
2377 | v_shost = lpfc_shost_from_vport(vports[i]); | |
2378 | spin_lock_irq(shost->host_lock); | |
2379 | vports[i]->stat_data_blocked = 1; | |
2380 | lpfc_free_bucket(vport); | |
2381 | vport->stat_data_enabled = 0; | |
2382 | vports[i]->stat_data_blocked = 0; | |
2383 | spin_unlock_irq(shost->host_lock); | |
2384 | } | |
2385 | lpfc_destroy_vport_work_array(phba, vports); | |
2386 | phba->bucket_type = LPFC_NO_BUCKET; | |
2387 | phba->bucket_base = 0; | |
2388 | phba->bucket_step = 0; | |
2389 | return strlen(buf); | |
2390 | } | |
2391 | ||
2392 | if (!strncmp(buf, "start", strlen("start"))) { | |
2393 | /* If no buckets configured return error */ | |
2394 | if (phba->bucket_type == LPFC_NO_BUCKET) | |
2395 | return -EINVAL; | |
2396 | spin_lock_irq(shost->host_lock); | |
2397 | if (vport->stat_data_enabled) { | |
2398 | spin_unlock_irq(shost->host_lock); | |
2399 | return strlen(buf); | |
2400 | } | |
2401 | lpfc_alloc_bucket(vport); | |
2402 | vport->stat_data_enabled = 1; | |
2403 | spin_unlock_irq(shost->host_lock); | |
2404 | return strlen(buf); | |
2405 | } | |
2406 | ||
2407 | if (!strncmp(buf, "stop", strlen("stop"))) { | |
2408 | spin_lock_irq(shost->host_lock); | |
2409 | if (vport->stat_data_enabled == 0) { | |
2410 | spin_unlock_irq(shost->host_lock); | |
2411 | return strlen(buf); | |
2412 | } | |
2413 | lpfc_free_bucket(vport); | |
2414 | vport->stat_data_enabled = 0; | |
2415 | spin_unlock_irq(shost->host_lock); | |
2416 | return strlen(buf); | |
2417 | } | |
2418 | ||
2419 | if (!strncmp(buf, "reset", strlen("reset"))) { | |
2420 | if ((phba->bucket_type == LPFC_NO_BUCKET) | |
2421 | || !vport->stat_data_enabled) | |
2422 | return strlen(buf); | |
2423 | spin_lock_irq(shost->host_lock); | |
2424 | vport->stat_data_blocked = 1; | |
2425 | lpfc_vport_reset_stat_data(vport); | |
2426 | vport->stat_data_blocked = 0; | |
2427 | spin_unlock_irq(shost->host_lock); | |
2428 | return strlen(buf); | |
2429 | } | |
2430 | return -EINVAL; | |
2431 | } | |
2432 | ||
2433 | ||
2434 | /** | |
3621a710 | 2435 | * lpfc_stat_data_ctrl_show - Read function for lpfc_stat_data_ctrl sysfs file |
ea2151b4 JS |
2436 | * @dev: Pointer to class device object. |
2437 | * @buf: Data buffer. | |
2438 | * | |
2439 | * This function is the read call back function for | |
2440 | * lpfc_stat_data_ctrl sysfs file. This function report the | |
2441 | * current statistical data collection state. | |
2442 | **/ | |
2443 | static ssize_t | |
2444 | lpfc_stat_data_ctrl_show(struct device *dev, struct device_attribute *attr, | |
2445 | char *buf) | |
2446 | { | |
2447 | struct Scsi_Host *shost = class_to_shost(dev); | |
2448 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2449 | struct lpfc_hba *phba = vport->phba; | |
2450 | int index = 0; | |
2451 | int i; | |
2452 | char *bucket_type; | |
2453 | unsigned long bucket_value; | |
2454 | ||
2455 | switch (phba->bucket_type) { | |
2456 | case LPFC_LINEAR_BUCKET: | |
2457 | bucket_type = "linear"; | |
2458 | break; | |
2459 | case LPFC_POWER2_BUCKET: | |
2460 | bucket_type = "power2"; | |
2461 | break; | |
2462 | default: | |
2463 | bucket_type = "No Bucket"; | |
2464 | break; | |
2465 | } | |
2466 | ||
2467 | sprintf(&buf[index], "Statistical Data enabled :%d, " | |
2468 | "blocked :%d, Bucket type :%s, Bucket base :%d," | |
2469 | " Bucket step :%d\nLatency Ranges :", | |
2470 | vport->stat_data_enabled, vport->stat_data_blocked, | |
2471 | bucket_type, phba->bucket_base, phba->bucket_step); | |
2472 | index = strlen(buf); | |
2473 | if (phba->bucket_type != LPFC_NO_BUCKET) { | |
2474 | for (i = 0; i < LPFC_MAX_BUCKET_COUNT; i++) { | |
2475 | if (phba->bucket_type == LPFC_LINEAR_BUCKET) | |
2476 | bucket_value = phba->bucket_base + | |
2477 | phba->bucket_step * i; | |
2478 | else | |
2479 | bucket_value = phba->bucket_base + | |
2480 | (1 << i) * phba->bucket_step; | |
2481 | ||
2482 | if (index + 10 > PAGE_SIZE) | |
2483 | break; | |
2484 | sprintf(&buf[index], "%08ld ", bucket_value); | |
2485 | index = strlen(buf); | |
2486 | } | |
2487 | } | |
2488 | sprintf(&buf[index], "\n"); | |
2489 | return strlen(buf); | |
2490 | } | |
2491 | ||
2492 | /* | |
2493 | * Sysfs attribute to control the statistical data collection. | |
2494 | */ | |
2495 | static DEVICE_ATTR(lpfc_stat_data_ctrl, S_IRUGO | S_IWUSR, | |
2496 | lpfc_stat_data_ctrl_show, lpfc_stat_data_ctrl_store); | |
2497 | ||
2498 | /* | |
2499 | * lpfc_drvr_stat_data: sysfs attr to get driver statistical data. | |
2500 | */ | |
2501 | ||
2502 | /* | |
2503 | * Each Bucket takes 11 characters and 1 new line + 17 bytes WWN | |
2504 | * for each target. | |
2505 | */ | |
2506 | #define STAT_DATA_SIZE_PER_TARGET(NUM_BUCKETS) ((NUM_BUCKETS) * 11 + 18) | |
2507 | #define MAX_STAT_DATA_SIZE_PER_TARGET \ | |
2508 | STAT_DATA_SIZE_PER_TARGET(LPFC_MAX_BUCKET_COUNT) | |
2509 | ||
2510 | ||
2511 | /** | |
3621a710 | 2512 | * sysfs_drvr_stat_data_read - Read function for lpfc_drvr_stat_data attribute |
ea2151b4 JS |
2513 | * @kobj: Pointer to the kernel object |
2514 | * @bin_attr: Attribute object | |
2515 | * @buff: Buffer pointer | |
2516 | * @off: File offset | |
2517 | * @count: Buffer size | |
2518 | * | |
2519 | * This function is the read call back function for lpfc_drvr_stat_data | |
2520 | * sysfs file. This function export the statistical data to user | |
2521 | * applications. | |
2522 | **/ | |
2523 | static ssize_t | |
2524 | sysfs_drvr_stat_data_read(struct kobject *kobj, struct bin_attribute *bin_attr, | |
2525 | char *buf, loff_t off, size_t count) | |
2526 | { | |
2527 | struct device *dev = container_of(kobj, struct device, | |
2528 | kobj); | |
2529 | struct Scsi_Host *shost = class_to_shost(dev); | |
2530 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2531 | struct lpfc_hba *phba = vport->phba; | |
2532 | int i = 0, index = 0; | |
2533 | unsigned long nport_index; | |
2534 | struct lpfc_nodelist *ndlp = NULL; | |
2535 | nport_index = (unsigned long)off / | |
2536 | MAX_STAT_DATA_SIZE_PER_TARGET; | |
2537 | ||
2538 | if (!vport->stat_data_enabled || vport->stat_data_blocked | |
2539 | || (phba->bucket_type == LPFC_NO_BUCKET)) | |
2540 | return 0; | |
2541 | ||
2542 | spin_lock_irq(shost->host_lock); | |
2543 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { | |
2544 | if (!NLP_CHK_NODE_ACT(ndlp) || !ndlp->lat_data) | |
2545 | continue; | |
2546 | ||
2547 | if (nport_index > 0) { | |
2548 | nport_index--; | |
2549 | continue; | |
2550 | } | |
2551 | ||
2552 | if ((index + MAX_STAT_DATA_SIZE_PER_TARGET) | |
2553 | > count) | |
2554 | break; | |
2555 | ||
2556 | if (!ndlp->lat_data) | |
2557 | continue; | |
2558 | ||
2559 | /* Print the WWN */ | |
2560 | sprintf(&buf[index], "%02x%02x%02x%02x%02x%02x%02x%02x:", | |
2561 | ndlp->nlp_portname.u.wwn[0], | |
2562 | ndlp->nlp_portname.u.wwn[1], | |
2563 | ndlp->nlp_portname.u.wwn[2], | |
2564 | ndlp->nlp_portname.u.wwn[3], | |
2565 | ndlp->nlp_portname.u.wwn[4], | |
2566 | ndlp->nlp_portname.u.wwn[5], | |
2567 | ndlp->nlp_portname.u.wwn[6], | |
2568 | ndlp->nlp_portname.u.wwn[7]); | |
2569 | ||
2570 | index = strlen(buf); | |
2571 | ||
2572 | for (i = 0; i < LPFC_MAX_BUCKET_COUNT; i++) { | |
2573 | sprintf(&buf[index], "%010u,", | |
2574 | ndlp->lat_data[i].cmd_count); | |
2575 | index = strlen(buf); | |
2576 | } | |
2577 | sprintf(&buf[index], "\n"); | |
2578 | index = strlen(buf); | |
2579 | } | |
2580 | spin_unlock_irq(shost->host_lock); | |
2581 | return index; | |
2582 | } | |
2583 | ||
2584 | static struct bin_attribute sysfs_drvr_stat_data_attr = { | |
2585 | .attr = { | |
2586 | .name = "lpfc_drvr_stat_data", | |
2587 | .mode = S_IRUSR, | |
2588 | .owner = THIS_MODULE, | |
2589 | }, | |
2590 | .size = LPFC_MAX_TARGET * MAX_STAT_DATA_SIZE_PER_TARGET, | |
2591 | .read = sysfs_drvr_stat_data_read, | |
2592 | .write = NULL, | |
2593 | }; | |
2594 | ||
dea3101e | 2595 | /* |
2596 | # lpfc_link_speed: Link speed selection for initializing the Fibre Channel | |
2597 | # connection. | |
2598 | # 0 = auto select (default) | |
2599 | # 1 = 1 Gigabaud | |
2600 | # 2 = 2 Gigabaud | |
2601 | # 4 = 4 Gigabaud | |
b87eab38 JS |
2602 | # 8 = 8 Gigabaud |
2603 | # Value range is [0,8]. Default value is 0. | |
dea3101e | 2604 | */ |
e59058c4 JS |
2605 | |
2606 | /** | |
3621a710 | 2607 | * lpfc_link_speed_set - Set the adapters link speed |
e59058c4 JS |
2608 | * @phba: lpfc_hba pointer. |
2609 | * @val: link speed value. | |
2610 | * | |
2611 | * Description: | |
2612 | * If val is in a valid range then set the adapter's link speed field and | |
2613 | * issue a lip; if the lip fails reset the link speed to the old value. | |
2614 | * | |
2615 | * Notes: | |
2616 | * If the value is not in range log a kernel error message and return an error. | |
2617 | * | |
2618 | * Returns: | |
2619 | * zero if val is in range and lip okay. | |
2620 | * non-zero return value from lpfc_issue_lip() | |
2621 | * -EINVAL val out of range | |
2622 | **/ | |
a257bf90 JS |
2623 | static ssize_t |
2624 | lpfc_link_speed_store(struct device *dev, struct device_attribute *attr, | |
2625 | const char *buf, size_t count) | |
83108bd3 | 2626 | { |
a257bf90 JS |
2627 | struct Scsi_Host *shost = class_to_shost(dev); |
2628 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2629 | struct lpfc_hba *phba = vport->phba; | |
2630 | int val = 0; | |
2631 | int nolip = 0; | |
2632 | const char *val_buf = buf; | |
83108bd3 JS |
2633 | int err; |
2634 | uint32_t prev_val; | |
2635 | ||
a257bf90 JS |
2636 | if (!strncmp(buf, "nolip ", strlen("nolip "))) { |
2637 | nolip = 1; | |
2638 | val_buf = &buf[strlen("nolip ")]; | |
2639 | } | |
2640 | ||
2641 | if (!isdigit(val_buf[0])) | |
2642 | return -EINVAL; | |
2643 | if (sscanf(val_buf, "%i", &val) != 1) | |
2644 | return -EINVAL; | |
2645 | ||
83108bd3 JS |
2646 | if (((val == LINK_SPEED_1G) && !(phba->lmt & LMT_1Gb)) || |
2647 | ((val == LINK_SPEED_2G) && !(phba->lmt & LMT_2Gb)) || | |
2648 | ((val == LINK_SPEED_4G) && !(phba->lmt & LMT_4Gb)) || | |
2649 | ((val == LINK_SPEED_8G) && !(phba->lmt & LMT_8Gb)) || | |
2650 | ((val == LINK_SPEED_10G) && !(phba->lmt & LMT_10Gb))) | |
2651 | return -EINVAL; | |
2652 | ||
a257bf90 | 2653 | if ((val >= 0 && val <= 8) |
83108bd3 JS |
2654 | && (LPFC_LINK_SPEED_BITMAP & (1 << val))) { |
2655 | prev_val = phba->cfg_link_speed; | |
2656 | phba->cfg_link_speed = val; | |
a257bf90 JS |
2657 | if (nolip) |
2658 | return strlen(buf); | |
2659 | ||
83108bd3 | 2660 | err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport)); |
a257bf90 | 2661 | if (err) { |
83108bd3 | 2662 | phba->cfg_link_speed = prev_val; |
a257bf90 JS |
2663 | return -EINVAL; |
2664 | } else | |
2665 | return strlen(buf); | |
83108bd3 JS |
2666 | } |
2667 | ||
2668 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2669 | "%d:0469 lpfc_link_speed attribute cannot be set to %d, " | |
2670 | "allowed range is [0, 8]\n", | |
2671 | phba->brd_no, val); | |
2672 | return -EINVAL; | |
2673 | } | |
2674 | ||
2675 | static int lpfc_link_speed = 0; | |
2676 | module_param(lpfc_link_speed, int, 0); | |
2677 | MODULE_PARM_DESC(lpfc_link_speed, "Select link speed"); | |
2678 | lpfc_param_show(link_speed) | |
e59058c4 JS |
2679 | |
2680 | /** | |
3621a710 | 2681 | * lpfc_link_speed_init - Set the adapters link speed |
e59058c4 JS |
2682 | * @phba: lpfc_hba pointer. |
2683 | * @val: link speed value. | |
2684 | * | |
2685 | * Description: | |
2686 | * If val is in a valid range then set the adapter's link speed field. | |
2687 | * | |
2688 | * Notes: | |
2689 | * If the value is not in range log a kernel error message, clear the link | |
2690 | * speed and return an error. | |
2691 | * | |
2692 | * Returns: | |
2693 | * zero if val saved. | |
2694 | * -EINVAL val out of range | |
2695 | **/ | |
83108bd3 JS |
2696 | static int |
2697 | lpfc_link_speed_init(struct lpfc_hba *phba, int val) | |
2698 | { | |
2699 | if ((val >= 0 && val <= LPFC_MAX_LINK_SPEED) | |
2700 | && (LPFC_LINK_SPEED_BITMAP & (1 << val))) { | |
2701 | phba->cfg_link_speed = val; | |
2702 | return 0; | |
2703 | } | |
2704 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
d7c255b2 | 2705 | "0405 lpfc_link_speed attribute cannot " |
83108bd3 JS |
2706 | "be set to %d, allowed values are " |
2707 | "["LPFC_LINK_SPEED_STRING"]\n", val); | |
2708 | phba->cfg_link_speed = 0; | |
2709 | return -EINVAL; | |
2710 | } | |
2711 | ||
ee959b00 | 2712 | static DEVICE_ATTR(lpfc_link_speed, S_IRUGO | S_IWUSR, |
83108bd3 | 2713 | lpfc_link_speed_show, lpfc_link_speed_store); |
dea3101e | 2714 | |
2715 | /* | |
2716 | # lpfc_fcp_class: Determines FC class to use for the FCP protocol. | |
2717 | # Value range is [2,3]. Default value is 3. | |
2718 | */ | |
3de2a653 JS |
2719 | LPFC_VPORT_ATTR_R(fcp_class, 3, 2, 3, |
2720 | "Select Fibre Channel class of service for FCP sequences"); | |
dea3101e | 2721 | |
2722 | /* | |
2723 | # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range | |
2724 | # is [0,1]. Default value is 0. | |
2725 | */ | |
3de2a653 JS |
2726 | LPFC_VPORT_ATTR_RW(use_adisc, 0, 0, 1, |
2727 | "Use ADISC on rediscovery to authenticate FCP devices"); | |
dea3101e | 2728 | |
977b5a0a JS |
2729 | /* |
2730 | # lpfc_max_scsicmpl_time: Use scsi command completion time to control I/O queue | |
2731 | # depth. Default value is 0. When the value of this parameter is zero the | |
2732 | # SCSI command completion time is not used for controlling I/O queue depth. When | |
2733 | # the parameter is set to a non-zero value, the I/O queue depth is controlled | |
2734 | # to limit the I/O completion time to the parameter value. | |
2735 | # The value is set in milliseconds. | |
2736 | */ | |
2737 | static int lpfc_max_scsicmpl_time; | |
2738 | module_param(lpfc_max_scsicmpl_time, int, 0); | |
2739 | MODULE_PARM_DESC(lpfc_max_scsicmpl_time, | |
2740 | "Use command completion time to control queue depth"); | |
2741 | lpfc_vport_param_show(max_scsicmpl_time); | |
2742 | lpfc_vport_param_init(max_scsicmpl_time, 0, 0, 60000); | |
2743 | static int | |
2744 | lpfc_max_scsicmpl_time_set(struct lpfc_vport *vport, int val) | |
2745 | { | |
2746 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
2747 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
2748 | ||
2749 | if (val == vport->cfg_max_scsicmpl_time) | |
2750 | return 0; | |
2751 | if ((val < 0) || (val > 60000)) | |
2752 | return -EINVAL; | |
2753 | vport->cfg_max_scsicmpl_time = val; | |
2754 | ||
2755 | spin_lock_irq(shost->host_lock); | |
2756 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { | |
2757 | if (!NLP_CHK_NODE_ACT(ndlp)) | |
2758 | continue; | |
2759 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) | |
2760 | continue; | |
2761 | ndlp->cmd_qdepth = LPFC_MAX_TGT_QDEPTH; | |
2762 | } | |
2763 | spin_unlock_irq(shost->host_lock); | |
2764 | return 0; | |
2765 | } | |
2766 | lpfc_vport_param_store(max_scsicmpl_time); | |
2767 | static DEVICE_ATTR(lpfc_max_scsicmpl_time, S_IRUGO | S_IWUSR, | |
2768 | lpfc_max_scsicmpl_time_show, | |
2769 | lpfc_max_scsicmpl_time_store); | |
2770 | ||
dea3101e | 2771 | /* |
2772 | # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value | |
2773 | # range is [0,1]. Default value is 0. | |
2774 | */ | |
2775 | LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support"); | |
2776 | ||
2777 | /* | |
2778 | # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing | |
2779 | # cr_delay (msec) or cr_count outstanding commands. cr_delay can take | |
7054a606 | 2780 | # value [0,63]. cr_count can take value [1,255]. Default value of cr_delay |
dea3101e | 2781 | # is 0. Default value of cr_count is 1. The cr_count feature is disabled if |
2782 | # cr_delay is set to 0. | |
2783 | */ | |
8189fd19 | 2784 | LPFC_ATTR_RW(cr_delay, 0, 0, 63, "A count of milliseconds after which an " |
dea3101e | 2785 | "interrupt response is generated"); |
2786 | ||
8189fd19 | 2787 | LPFC_ATTR_RW(cr_count, 1, 1, 255, "A count of I/O completions after which an " |
dea3101e | 2788 | "interrupt response is generated"); |
2789 | ||
cf5bf97e JW |
2790 | /* |
2791 | # lpfc_multi_ring_support: Determines how many rings to spread available | |
2792 | # cmd/rsp IOCB entries across. | |
2793 | # Value range is [1,2]. Default value is 1. | |
2794 | */ | |
2795 | LPFC_ATTR_R(multi_ring_support, 1, 1, 2, "Determines number of primary " | |
2796 | "SLI rings to spread IOCB entries across"); | |
2797 | ||
a4bc3379 JS |
2798 | /* |
2799 | # lpfc_multi_ring_rctl: If lpfc_multi_ring_support is enabled, this | |
2800 | # identifies what rctl value to configure the additional ring for. | |
2801 | # Value range is [1,0xff]. Default value is 4 (Unsolicated Data). | |
2802 | */ | |
2803 | LPFC_ATTR_R(multi_ring_rctl, FC_UNSOL_DATA, 1, | |
2804 | 255, "Identifies RCTL for additional ring configuration"); | |
2805 | ||
2806 | /* | |
2807 | # lpfc_multi_ring_type: If lpfc_multi_ring_support is enabled, this | |
2808 | # identifies what type value to configure the additional ring for. | |
2809 | # Value range is [1,0xff]. Default value is 5 (LLC/SNAP). | |
2810 | */ | |
2811 | LPFC_ATTR_R(multi_ring_type, FC_LLC_SNAP, 1, | |
2812 | 255, "Identifies TYPE for additional ring configuration"); | |
2813 | ||
dea3101e | 2814 | /* |
2815 | # lpfc_fdmi_on: controls FDMI support. | |
2816 | # 0 = no FDMI support | |
2817 | # 1 = support FDMI without attribute of hostname | |
2818 | # 2 = support FDMI with attribute of hostname | |
2819 | # Value range [0,2]. Default value is 0. | |
2820 | */ | |
3de2a653 | 2821 | LPFC_VPORT_ATTR_RW(fdmi_on, 0, 0, 2, "Enable FDMI support"); |
dea3101e | 2822 | |
2823 | /* | |
2824 | # Specifies the maximum number of ELS cmds we can have outstanding (for | |
2825 | # discovery). Value range is [1,64]. Default value = 32. | |
2826 | */ | |
3de2a653 | 2827 | LPFC_VPORT_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands " |
dea3101e | 2828 | "during discovery"); |
2829 | ||
2830 | /* | |
65a29c16 JS |
2831 | # lpfc_max_luns: maximum allowed LUN. |
2832 | # Value range is [0,65535]. Default value is 255. | |
2833 | # NOTE: The SCSI layer might probe all allowed LUN on some old targets. | |
dea3101e | 2834 | */ |
3de2a653 | 2835 | LPFC_VPORT_ATTR_R(max_luns, 255, 0, 65535, "Maximum allowed LUN"); |
dea3101e | 2836 | |
875fbdfe JSEC |
2837 | /* |
2838 | # lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring. | |
2839 | # Value range is [1,255], default value is 10. | |
2840 | */ | |
2841 | LPFC_ATTR_RW(poll_tmo, 10, 1, 255, | |
2842 | "Milliseconds driver will wait between polling FCP ring"); | |
2843 | ||
4ff43246 JS |
2844 | /* |
2845 | # lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that | |
2846 | # support this feature | |
9399627f | 2847 | # 0 = MSI disabled |
4ff43246 | 2848 | # 1 = MSI enabled |
9399627f JS |
2849 | # 2 = MSI-X enabled (default) |
2850 | # Value range is [0,2]. Default value is 2. | |
4ff43246 | 2851 | */ |
9399627f | 2852 | LPFC_ATTR_R(use_msi, 2, 0, 2, "Use Message Signaled Interrupts (1) or " |
db2378e0 | 2853 | "MSI-X (2), if possible"); |
4ff43246 | 2854 | |
13815c83 JS |
2855 | /* |
2856 | # lpfc_enable_hba_reset: Allow or prevent HBA resets to the hardware. | |
2857 | # 0 = HBA resets disabled | |
2858 | # 1 = HBA resets enabled (default) | |
2859 | # Value range is [0,1]. Default value is 1. | |
2860 | */ | |
2861 | LPFC_ATTR_R(enable_hba_reset, 1, 0, 1, "Enable HBA resets from the driver."); | |
c3f28afa | 2862 | |
13815c83 JS |
2863 | /* |
2864 | # lpfc_enable_hba_heartbeat: Enable HBA heartbeat timer.. | |
2865 | # 0 = HBA Heartbeat disabled | |
2866 | # 1 = HBA Heartbeat enabled (default) | |
2867 | # Value range is [0,1]. Default value is 1. | |
2868 | */ | |
2869 | LPFC_ATTR_R(enable_hba_heartbeat, 1, 0, 1, "Enable HBA Heartbeat."); | |
92d7f7b0 | 2870 | |
81301a9b JS |
2871 | /* |
2872 | # lpfc_enable_bg: Enable BlockGuard (Emulex's Implementation of T10-DIF) | |
2873 | # 0 = BlockGuard disabled (default) | |
2874 | # 1 = BlockGuard enabled | |
2875 | # Value range is [0,1]. Default value is 0. | |
2876 | */ | |
2877 | LPFC_ATTR_R(enable_bg, 0, 0, 1, "Enable BlockGuard Support"); | |
2878 | ||
2879 | ||
2880 | /* | |
2881 | # lpfc_prot_mask: i | |
2882 | # - Bit mask of host protection capabilities used to register with the | |
2883 | # SCSI mid-layer | |
2884 | # - Only meaningful if BG is turned on (lpfc_enable_bg=1). | |
2885 | # - Allows you to ultimately specify which profiles to use | |
2886 | # - Default will result in registering capabilities for all profiles. | |
2887 | # | |
2888 | */ | |
2889 | unsigned int lpfc_prot_mask = SHOST_DIX_TYPE0_PROTECTION; | |
2890 | ||
2891 | module_param(lpfc_prot_mask, uint, 0); | |
2892 | MODULE_PARM_DESC(lpfc_prot_mask, "host protection mask"); | |
2893 | ||
2894 | /* | |
2895 | # lpfc_prot_guard: i | |
2896 | # - Bit mask of protection guard types to register with the SCSI mid-layer | |
2897 | # - Guard types are currently either 1) IP checksum 2) T10-DIF CRC | |
2898 | # - Allows you to ultimately specify which profiles to use | |
2899 | # - Default will result in registering capabilities for all guard types | |
2900 | # | |
2901 | */ | |
2902 | unsigned char lpfc_prot_guard = SHOST_DIX_GUARD_IP; | |
2903 | module_param(lpfc_prot_guard, byte, 0); | |
2904 | MODULE_PARM_DESC(lpfc_prot_guard, "host protection guard type"); | |
2905 | ||
2906 | ||
83108bd3 | 2907 | /* |
3621a710 | 2908 | * lpfc_sg_seg_cnt - Initial Maximum DMA Segment Count |
83108bd3 JS |
2909 | * This value can be set to values between 64 and 256. The default value is |
2910 | * 64, but may be increased to allow for larger Max I/O sizes. The scsi layer | |
2911 | * will be allowed to request I/Os of sizes up to (MAX_SEG_COUNT * SEG_SIZE). | |
2912 | */ | |
2913 | LPFC_ATTR_R(sg_seg_cnt, LPFC_DEFAULT_SG_SEG_CNT, LPFC_DEFAULT_SG_SEG_CNT, | |
2914 | LPFC_MAX_SG_SEG_CNT, "Max Scatter Gather Segment Count"); | |
2915 | ||
81301a9b JS |
2916 | LPFC_ATTR_R(prot_sg_seg_cnt, LPFC_DEFAULT_PROT_SG_SEG_CNT, |
2917 | LPFC_DEFAULT_PROT_SG_SEG_CNT, LPFC_MAX_PROT_SG_SEG_CNT, | |
2918 | "Max Protection Scatter Gather Segment Count"); | |
2919 | ||
ee959b00 | 2920 | struct device_attribute *lpfc_hba_attrs[] = { |
81301a9b JS |
2921 | &dev_attr_bg_info, |
2922 | &dev_attr_bg_guard_err, | |
2923 | &dev_attr_bg_apptag_err, | |
2924 | &dev_attr_bg_reftag_err, | |
ee959b00 TJ |
2925 | &dev_attr_info, |
2926 | &dev_attr_serialnum, | |
2927 | &dev_attr_modeldesc, | |
2928 | &dev_attr_modelname, | |
2929 | &dev_attr_programtype, | |
2930 | &dev_attr_portnum, | |
2931 | &dev_attr_fwrev, | |
2932 | &dev_attr_hdw, | |
2933 | &dev_attr_option_rom_version, | |
bbd1ae41 | 2934 | &dev_attr_link_state, |
ee959b00 | 2935 | &dev_attr_num_discovered_ports, |
84774a4d | 2936 | &dev_attr_menlo_mgmt_mode, |
ee959b00 TJ |
2937 | &dev_attr_lpfc_drvr_version, |
2938 | &dev_attr_lpfc_temp_sensor, | |
2939 | &dev_attr_lpfc_log_verbose, | |
2940 | &dev_attr_lpfc_lun_queue_depth, | |
2941 | &dev_attr_lpfc_hba_queue_depth, | |
2942 | &dev_attr_lpfc_peer_port_login, | |
2943 | &dev_attr_lpfc_nodev_tmo, | |
2944 | &dev_attr_lpfc_devloss_tmo, | |
2945 | &dev_attr_lpfc_fcp_class, | |
2946 | &dev_attr_lpfc_use_adisc, | |
2947 | &dev_attr_lpfc_ack0, | |
2948 | &dev_attr_lpfc_topology, | |
2949 | &dev_attr_lpfc_scan_down, | |
2950 | &dev_attr_lpfc_link_speed, | |
2951 | &dev_attr_lpfc_cr_delay, | |
2952 | &dev_attr_lpfc_cr_count, | |
2953 | &dev_attr_lpfc_multi_ring_support, | |
2954 | &dev_attr_lpfc_multi_ring_rctl, | |
2955 | &dev_attr_lpfc_multi_ring_type, | |
2956 | &dev_attr_lpfc_fdmi_on, | |
2957 | &dev_attr_lpfc_max_luns, | |
2958 | &dev_attr_lpfc_enable_npiv, | |
2959 | &dev_attr_nport_evt_cnt, | |
2960 | &dev_attr_board_mode, | |
2961 | &dev_attr_max_vpi, | |
2962 | &dev_attr_used_vpi, | |
2963 | &dev_attr_max_rpi, | |
2964 | &dev_attr_used_rpi, | |
2965 | &dev_attr_max_xri, | |
2966 | &dev_attr_used_xri, | |
2967 | &dev_attr_npiv_info, | |
2968 | &dev_attr_issue_reset, | |
2969 | &dev_attr_lpfc_poll, | |
2970 | &dev_attr_lpfc_poll_tmo, | |
2971 | &dev_attr_lpfc_use_msi, | |
81301a9b | 2972 | &dev_attr_lpfc_enable_bg, |
ee959b00 TJ |
2973 | &dev_attr_lpfc_soft_wwnn, |
2974 | &dev_attr_lpfc_soft_wwpn, | |
2975 | &dev_attr_lpfc_soft_wwn_enable, | |
2976 | &dev_attr_lpfc_enable_hba_reset, | |
2977 | &dev_attr_lpfc_enable_hba_heartbeat, | |
2978 | &dev_attr_lpfc_sg_seg_cnt, | |
977b5a0a | 2979 | &dev_attr_lpfc_max_scsicmpl_time, |
ea2151b4 | 2980 | &dev_attr_lpfc_stat_data_ctrl, |
81301a9b | 2981 | &dev_attr_lpfc_prot_sg_seg_cnt, |
dea3101e | 2982 | NULL, |
2983 | }; | |
2984 | ||
ee959b00 TJ |
2985 | struct device_attribute *lpfc_vport_attrs[] = { |
2986 | &dev_attr_info, | |
bbd1ae41 | 2987 | &dev_attr_link_state, |
ee959b00 TJ |
2988 | &dev_attr_num_discovered_ports, |
2989 | &dev_attr_lpfc_drvr_version, | |
2990 | &dev_attr_lpfc_log_verbose, | |
2991 | &dev_attr_lpfc_lun_queue_depth, | |
2992 | &dev_attr_lpfc_nodev_tmo, | |
2993 | &dev_attr_lpfc_devloss_tmo, | |
2994 | &dev_attr_lpfc_hba_queue_depth, | |
2995 | &dev_attr_lpfc_peer_port_login, | |
2996 | &dev_attr_lpfc_restrict_login, | |
2997 | &dev_attr_lpfc_fcp_class, | |
2998 | &dev_attr_lpfc_use_adisc, | |
2999 | &dev_attr_lpfc_fdmi_on, | |
3000 | &dev_attr_lpfc_max_luns, | |
3001 | &dev_attr_nport_evt_cnt, | |
3002 | &dev_attr_npiv_info, | |
3003 | &dev_attr_lpfc_enable_da_id, | |
ea2151b4 JS |
3004 | &dev_attr_lpfc_max_scsicmpl_time, |
3005 | &dev_attr_lpfc_stat_data_ctrl, | |
3de2a653 JS |
3006 | NULL, |
3007 | }; | |
3008 | ||
e59058c4 | 3009 | /** |
3621a710 | 3010 | * sysfs_ctlreg_write - Write method for writing to ctlreg |
e59058c4 JS |
3011 | * @kobj: kernel kobject that contains the kernel class device. |
3012 | * @bin_attr: kernel attributes passed to us. | |
3013 | * @buf: contains the data to be written to the adapter IOREG space. | |
3014 | * @off: offset into buffer to beginning of data. | |
3015 | * @count: bytes to transfer. | |
3016 | * | |
3017 | * Description: | |
3018 | * Accessed via /sys/class/scsi_host/hostxxx/ctlreg. | |
3019 | * Uses the adapter io control registers to send buf contents to the adapter. | |
3020 | * | |
3021 | * Returns: | |
3022 | * -ERANGE off and count combo out of range | |
3023 | * -EINVAL off, count or buff address invalid | |
3024 | * -EPERM adapter is offline | |
3025 | * value of count, buf contents written | |
3026 | **/ | |
dea3101e | 3027 | static ssize_t |
91a69029 ZR |
3028 | sysfs_ctlreg_write(struct kobject *kobj, struct bin_attribute *bin_attr, |
3029 | char *buf, loff_t off, size_t count) | |
dea3101e | 3030 | { |
3031 | size_t buf_off; | |
ee959b00 TJ |
3032 | struct device *dev = container_of(kobj, struct device, kobj); |
3033 | struct Scsi_Host *shost = class_to_shost(dev); | |
2e0fef85 JS |
3034 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3035 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 3036 | |
3037 | if ((off + count) > FF_REG_AREA_SIZE) | |
3038 | return -ERANGE; | |
3039 | ||
3040 | if (count == 0) return 0; | |
3041 | ||
3042 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
3043 | return -EINVAL; | |
3044 | ||
2e0fef85 | 3045 | if (!(vport->fc_flag & FC_OFFLINE_MODE)) { |
dea3101e | 3046 | return -EPERM; |
3047 | } | |
3048 | ||
2e0fef85 | 3049 | spin_lock_irq(&phba->hbalock); |
dea3101e | 3050 | for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) |
3051 | writel(*((uint32_t *)(buf + buf_off)), | |
3052 | phba->ctrl_regs_memmap_p + off + buf_off); | |
3053 | ||
2e0fef85 | 3054 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3055 | |
3056 | return count; | |
3057 | } | |
3058 | ||
e59058c4 | 3059 | /** |
3621a710 | 3060 | * sysfs_ctlreg_read - Read method for reading from ctlreg |
e59058c4 JS |
3061 | * @kobj: kernel kobject that contains the kernel class device. |
3062 | * @bin_attr: kernel attributes passed to us. | |
3063 | * @buf: if succesful contains the data from the adapter IOREG space. | |
3064 | * @off: offset into buffer to beginning of data. | |
3065 | * @count: bytes to transfer. | |
3066 | * | |
3067 | * Description: | |
3068 | * Accessed via /sys/class/scsi_host/hostxxx/ctlreg. | |
3069 | * Uses the adapter io control registers to read data into buf. | |
3070 | * | |
3071 | * Returns: | |
3072 | * -ERANGE off and count combo out of range | |
3073 | * -EINVAL off, count or buff address invalid | |
3074 | * value of count, buf contents read | |
3075 | **/ | |
dea3101e | 3076 | static ssize_t |
91a69029 ZR |
3077 | sysfs_ctlreg_read(struct kobject *kobj, struct bin_attribute *bin_attr, |
3078 | char *buf, loff_t off, size_t count) | |
dea3101e | 3079 | { |
3080 | size_t buf_off; | |
3081 | uint32_t * tmp_ptr; | |
ee959b00 TJ |
3082 | struct device *dev = container_of(kobj, struct device, kobj); |
3083 | struct Scsi_Host *shost = class_to_shost(dev); | |
2e0fef85 JS |
3084 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3085 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 3086 | |
3087 | if (off > FF_REG_AREA_SIZE) | |
3088 | return -ERANGE; | |
3089 | ||
3090 | if ((off + count) > FF_REG_AREA_SIZE) | |
3091 | count = FF_REG_AREA_SIZE - off; | |
3092 | ||
3093 | if (count == 0) return 0; | |
3094 | ||
3095 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
3096 | return -EINVAL; | |
3097 | ||
2e0fef85 | 3098 | spin_lock_irq(&phba->hbalock); |
dea3101e | 3099 | |
3100 | for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) { | |
3101 | tmp_ptr = (uint32_t *)(buf + buf_off); | |
3102 | *tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off); | |
3103 | } | |
3104 | ||
2e0fef85 | 3105 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3106 | |
3107 | return count; | |
3108 | } | |
3109 | ||
3110 | static struct bin_attribute sysfs_ctlreg_attr = { | |
3111 | .attr = { | |
3112 | .name = "ctlreg", | |
3113 | .mode = S_IRUSR | S_IWUSR, | |
dea3101e | 3114 | }, |
3115 | .size = 256, | |
3116 | .read = sysfs_ctlreg_read, | |
3117 | .write = sysfs_ctlreg_write, | |
3118 | }; | |
3119 | ||
e59058c4 | 3120 | /** |
3621a710 | 3121 | * sysfs_mbox_idle - frees the sysfs mailbox |
e59058c4 JS |
3122 | * @phba: lpfc_hba pointer |
3123 | **/ | |
dea3101e | 3124 | static void |
2e0fef85 | 3125 | sysfs_mbox_idle(struct lpfc_hba *phba) |
dea3101e | 3126 | { |
3127 | phba->sysfs_mbox.state = SMBOX_IDLE; | |
3128 | phba->sysfs_mbox.offset = 0; | |
3129 | ||
3130 | if (phba->sysfs_mbox.mbox) { | |
3131 | mempool_free(phba->sysfs_mbox.mbox, | |
3132 | phba->mbox_mem_pool); | |
3133 | phba->sysfs_mbox.mbox = NULL; | |
3134 | } | |
3135 | } | |
3136 | ||
e59058c4 | 3137 | /** |
3621a710 | 3138 | * sysfs_mbox_write - Write method for writing information via mbox |
e59058c4 JS |
3139 | * @kobj: kernel kobject that contains the kernel class device. |
3140 | * @bin_attr: kernel attributes passed to us. | |
3141 | * @buf: contains the data to be written to sysfs mbox. | |
3142 | * @off: offset into buffer to beginning of data. | |
3143 | * @count: bytes to transfer. | |
3144 | * | |
3145 | * Description: | |
3146 | * Accessed via /sys/class/scsi_host/hostxxx/mbox. | |
3147 | * Uses the sysfs mbox to send buf contents to the adapter. | |
3148 | * | |
3149 | * Returns: | |
3150 | * -ERANGE off and count combo out of range | |
3151 | * -EINVAL off, count or buff address invalid | |
3152 | * zero if count is zero | |
3153 | * -EPERM adapter is offline | |
3154 | * -ENOMEM failed to allocate memory for the mail box | |
3155 | * -EAGAIN offset, state or mbox is NULL | |
3156 | * count number of bytes transferred | |
3157 | **/ | |
dea3101e | 3158 | static ssize_t |
91a69029 ZR |
3159 | sysfs_mbox_write(struct kobject *kobj, struct bin_attribute *bin_attr, |
3160 | char *buf, loff_t off, size_t count) | |
dea3101e | 3161 | { |
ee959b00 TJ |
3162 | struct device *dev = container_of(kobj, struct device, kobj); |
3163 | struct Scsi_Host *shost = class_to_shost(dev); | |
2e0fef85 JS |
3164 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3165 | struct lpfc_hba *phba = vport->phba; | |
3166 | struct lpfcMboxq *mbox = NULL; | |
dea3101e | 3167 | |
3168 | if ((count + off) > MAILBOX_CMD_SIZE) | |
3169 | return -ERANGE; | |
3170 | ||
3171 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
3172 | return -EINVAL; | |
3173 | ||
3174 | if (count == 0) | |
3175 | return 0; | |
3176 | ||
3177 | if (off == 0) { | |
3178 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
3179 | if (!mbox) | |
3180 | return -ENOMEM; | |
fc6c12bc | 3181 | memset(mbox, 0, sizeof (LPFC_MBOXQ_t)); |
dea3101e | 3182 | } |
3183 | ||
2e0fef85 | 3184 | spin_lock_irq(&phba->hbalock); |
dea3101e | 3185 | |
3186 | if (off == 0) { | |
3187 | if (phba->sysfs_mbox.mbox) | |
3188 | mempool_free(mbox, phba->mbox_mem_pool); | |
3189 | else | |
3190 | phba->sysfs_mbox.mbox = mbox; | |
3191 | phba->sysfs_mbox.state = SMBOX_WRITING; | |
3192 | } else { | |
3193 | if (phba->sysfs_mbox.state != SMBOX_WRITING || | |
3194 | phba->sysfs_mbox.offset != off || | |
92d7f7b0 | 3195 | phba->sysfs_mbox.mbox == NULL) { |
dea3101e | 3196 | sysfs_mbox_idle(phba); |
2e0fef85 | 3197 | spin_unlock_irq(&phba->hbalock); |
8f6d98d2 | 3198 | return -EAGAIN; |
dea3101e | 3199 | } |
3200 | } | |
3201 | ||
3202 | memcpy((uint8_t *) & phba->sysfs_mbox.mbox->mb + off, | |
3203 | buf, count); | |
3204 | ||
3205 | phba->sysfs_mbox.offset = off + count; | |
3206 | ||
2e0fef85 | 3207 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3208 | |
3209 | return count; | |
3210 | } | |
3211 | ||
e59058c4 | 3212 | /** |
3621a710 | 3213 | * sysfs_mbox_read - Read method for reading information via mbox |
e59058c4 JS |
3214 | * @kobj: kernel kobject that contains the kernel class device. |
3215 | * @bin_attr: kernel attributes passed to us. | |
3216 | * @buf: contains the data to be read from sysfs mbox. | |
3217 | * @off: offset into buffer to beginning of data. | |
3218 | * @count: bytes to transfer. | |
3219 | * | |
3220 | * Description: | |
3221 | * Accessed via /sys/class/scsi_host/hostxxx/mbox. | |
3222 | * Uses the sysfs mbox to receive data from to the adapter. | |
3223 | * | |
3224 | * Returns: | |
3225 | * -ERANGE off greater than mailbox command size | |
3226 | * -EINVAL off, count or buff address invalid | |
3227 | * zero if off and count are zero | |
3228 | * -EACCES adapter over temp | |
3229 | * -EPERM garbage can value to catch a multitude of errors | |
3230 | * -EAGAIN management IO not permitted, state or off error | |
3231 | * -ETIME mailbox timeout | |
3232 | * -ENODEV mailbox error | |
3233 | * count number of bytes transferred | |
3234 | **/ | |
dea3101e | 3235 | static ssize_t |
91a69029 ZR |
3236 | sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr, |
3237 | char *buf, loff_t off, size_t count) | |
dea3101e | 3238 | { |
ee959b00 TJ |
3239 | struct device *dev = container_of(kobj, struct device, kobj); |
3240 | struct Scsi_Host *shost = class_to_shost(dev); | |
2e0fef85 JS |
3241 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3242 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 3243 | int rc; |
3244 | ||
1dcb58e5 | 3245 | if (off > MAILBOX_CMD_SIZE) |
dea3101e | 3246 | return -ERANGE; |
3247 | ||
1dcb58e5 JS |
3248 | if ((count + off) > MAILBOX_CMD_SIZE) |
3249 | count = MAILBOX_CMD_SIZE - off; | |
dea3101e | 3250 | |
3251 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
3252 | return -EINVAL; | |
3253 | ||
3254 | if (off && count == 0) | |
3255 | return 0; | |
3256 | ||
2e0fef85 | 3257 | spin_lock_irq(&phba->hbalock); |
dea3101e | 3258 | |
7af67051 JS |
3259 | if (phba->over_temp_state == HBA_OVER_TEMP) { |
3260 | sysfs_mbox_idle(phba); | |
3261 | spin_unlock_irq(&phba->hbalock); | |
09372820 | 3262 | return -EACCES; |
7af67051 JS |
3263 | } |
3264 | ||
dea3101e | 3265 | if (off == 0 && |
3266 | phba->sysfs_mbox.state == SMBOX_WRITING && | |
3267 | phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) { | |
3268 | ||
3269 | switch (phba->sysfs_mbox.mbox->mb.mbxCommand) { | |
3270 | /* Offline only */ | |
dea3101e | 3271 | case MBX_INIT_LINK: |
3272 | case MBX_DOWN_LINK: | |
3273 | case MBX_CONFIG_LINK: | |
3274 | case MBX_CONFIG_RING: | |
3275 | case MBX_RESET_RING: | |
3276 | case MBX_UNREG_LOGIN: | |
3277 | case MBX_CLEAR_LA: | |
3278 | case MBX_DUMP_CONTEXT: | |
3279 | case MBX_RUN_DIAGS: | |
3280 | case MBX_RESTART: | |
dea3101e | 3281 | case MBX_SET_MASK: |
dea3101e | 3282 | case MBX_SET_DEBUG: |
2e0fef85 | 3283 | if (!(vport->fc_flag & FC_OFFLINE_MODE)) { |
dea3101e | 3284 | printk(KERN_WARNING "mbox_read:Command 0x%x " |
3285 | "is illegal in on-line state\n", | |
3286 | phba->sysfs_mbox.mbox->mb.mbxCommand); | |
3287 | sysfs_mbox_idle(phba); | |
2e0fef85 | 3288 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3289 | return -EPERM; |
3290 | } | |
a8adb832 JS |
3291 | case MBX_WRITE_NV: |
3292 | case MBX_WRITE_VPARMS: | |
dea3101e | 3293 | case MBX_LOAD_SM: |
3294 | case MBX_READ_NV: | |
3295 | case MBX_READ_CONFIG: | |
3296 | case MBX_READ_RCONFIG: | |
3297 | case MBX_READ_STATUS: | |
3298 | case MBX_READ_XRI: | |
3299 | case MBX_READ_REV: | |
3300 | case MBX_READ_LNK_STAT: | |
3301 | case MBX_DUMP_MEMORY: | |
3302 | case MBX_DOWN_LOAD: | |
3303 | case MBX_UPDATE_CFG: | |
41415862 | 3304 | case MBX_KILL_BOARD: |
dea3101e | 3305 | case MBX_LOAD_AREA: |
3306 | case MBX_LOAD_EXP_ROM: | |
41415862 JW |
3307 | case MBX_BEACON: |
3308 | case MBX_DEL_LD_ENTRY: | |
09372820 JS |
3309 | case MBX_SET_VARIABLE: |
3310 | case MBX_WRITE_WWN: | |
84774a4d JS |
3311 | case MBX_PORT_CAPABILITIES: |
3312 | case MBX_PORT_IOV_CONTROL: | |
dea3101e | 3313 | break; |
3314 | case MBX_READ_SPARM64: | |
3315 | case MBX_READ_LA: | |
3316 | case MBX_READ_LA64: | |
3317 | case MBX_REG_LOGIN: | |
3318 | case MBX_REG_LOGIN64: | |
3319 | case MBX_CONFIG_PORT: | |
3320 | case MBX_RUN_BIU_DIAG: | |
3321 | printk(KERN_WARNING "mbox_read: Illegal Command 0x%x\n", | |
3322 | phba->sysfs_mbox.mbox->mb.mbxCommand); | |
3323 | sysfs_mbox_idle(phba); | |
2e0fef85 | 3324 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3325 | return -EPERM; |
3326 | default: | |
3327 | printk(KERN_WARNING "mbox_read: Unknown Command 0x%x\n", | |
3328 | phba->sysfs_mbox.mbox->mb.mbxCommand); | |
3329 | sysfs_mbox_idle(phba); | |
2e0fef85 | 3330 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3331 | return -EPERM; |
3332 | } | |
3333 | ||
09372820 | 3334 | /* If HBA encountered an error attention, allow only DUMP |
1b32f6aa | 3335 | * or RESTART mailbox commands until the HBA is restarted. |
09372820 | 3336 | */ |
d7c255b2 JS |
3337 | if (phba->pport->stopped && |
3338 | phba->sysfs_mbox.mbox->mb.mbxCommand != MBX_DUMP_MEMORY && | |
3339 | phba->sysfs_mbox.mbox->mb.mbxCommand != MBX_RESTART && | |
3340 | phba->sysfs_mbox.mbox->mb.mbxCommand != MBX_WRITE_VPARMS && | |
3341 | phba->sysfs_mbox.mbox->mb.mbxCommand != MBX_WRITE_WWN) | |
3342 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, | |
3343 | "1259 mbox: Issued mailbox cmd " | |
3344 | "0x%x while in stopped state.\n", | |
3345 | phba->sysfs_mbox.mbox->mb.mbxCommand); | |
09372820 | 3346 | |
92d7f7b0 JS |
3347 | phba->sysfs_mbox.mbox->vport = vport; |
3348 | ||
58da1ffb JS |
3349 | /* Don't allow mailbox commands to be sent when blocked |
3350 | * or when in the middle of discovery | |
3351 | */ | |
495a714c | 3352 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) { |
46fa311e | 3353 | sysfs_mbox_idle(phba); |
2e0fef85 | 3354 | spin_unlock_irq(&phba->hbalock); |
46fa311e JS |
3355 | return -EAGAIN; |
3356 | } | |
3357 | ||
2e0fef85 | 3358 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
dea3101e | 3359 | (!(phba->sli.sli_flag & LPFC_SLI2_ACTIVE))){ |
3360 | ||
2e0fef85 | 3361 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3362 | rc = lpfc_sli_issue_mbox (phba, |
3363 | phba->sysfs_mbox.mbox, | |
3364 | MBX_POLL); | |
2e0fef85 | 3365 | spin_lock_irq(&phba->hbalock); |
dea3101e | 3366 | |
3367 | } else { | |
2e0fef85 | 3368 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3369 | rc = lpfc_sli_issue_mbox_wait (phba, |
3370 | phba->sysfs_mbox.mbox, | |
a309a6b6 JS |
3371 | lpfc_mbox_tmo_val(phba, |
3372 | phba->sysfs_mbox.mbox->mb.mbxCommand) * HZ); | |
2e0fef85 | 3373 | spin_lock_irq(&phba->hbalock); |
dea3101e | 3374 | } |
3375 | ||
3376 | if (rc != MBX_SUCCESS) { | |
1dcb58e5 | 3377 | if (rc == MBX_TIMEOUT) { |
1dcb58e5 JS |
3378 | phba->sysfs_mbox.mbox = NULL; |
3379 | } | |
dea3101e | 3380 | sysfs_mbox_idle(phba); |
2e0fef85 | 3381 | spin_unlock_irq(&phba->hbalock); |
8f6d98d2 | 3382 | return (rc == MBX_TIMEOUT) ? -ETIME : -ENODEV; |
dea3101e | 3383 | } |
3384 | phba->sysfs_mbox.state = SMBOX_READING; | |
3385 | } | |
3386 | else if (phba->sysfs_mbox.offset != off || | |
3387 | phba->sysfs_mbox.state != SMBOX_READING) { | |
3388 | printk(KERN_WARNING "mbox_read: Bad State\n"); | |
3389 | sysfs_mbox_idle(phba); | |
2e0fef85 | 3390 | spin_unlock_irq(&phba->hbalock); |
8f6d98d2 | 3391 | return -EAGAIN; |
dea3101e | 3392 | } |
3393 | ||
3394 | memcpy(buf, (uint8_t *) & phba->sysfs_mbox.mbox->mb + off, count); | |
3395 | ||
3396 | phba->sysfs_mbox.offset = off + count; | |
3397 | ||
1dcb58e5 | 3398 | if (phba->sysfs_mbox.offset == MAILBOX_CMD_SIZE) |
dea3101e | 3399 | sysfs_mbox_idle(phba); |
3400 | ||
2e0fef85 | 3401 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3402 | |
3403 | return count; | |
3404 | } | |
3405 | ||
3406 | static struct bin_attribute sysfs_mbox_attr = { | |
3407 | .attr = { | |
3408 | .name = "mbox", | |
3409 | .mode = S_IRUSR | S_IWUSR, | |
dea3101e | 3410 | }, |
1dcb58e5 | 3411 | .size = MAILBOX_CMD_SIZE, |
dea3101e | 3412 | .read = sysfs_mbox_read, |
3413 | .write = sysfs_mbox_write, | |
3414 | }; | |
3415 | ||
e59058c4 | 3416 | /** |
3621a710 | 3417 | * lpfc_alloc_sysfs_attr - Creates the ctlreg and mbox entries |
e59058c4 JS |
3418 | * @vport: address of lpfc vport structure. |
3419 | * | |
3420 | * Return codes: | |
3421 | * zero on success | |
3422 | * error return code from sysfs_create_bin_file() | |
3423 | **/ | |
dea3101e | 3424 | int |
2e0fef85 | 3425 | lpfc_alloc_sysfs_attr(struct lpfc_vport *vport) |
dea3101e | 3426 | { |
2e0fef85 | 3427 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 3428 | int error; |
3429 | ||
ee959b00 | 3430 | error = sysfs_create_bin_file(&shost->shost_dev.kobj, |
eada272d JS |
3431 | &sysfs_drvr_stat_data_attr); |
3432 | ||
3433 | /* Virtual ports do not need ctrl_reg and mbox */ | |
3434 | if (error || vport->port_type == LPFC_NPIV_PORT) | |
dea3101e | 3435 | goto out; |
3436 | ||
ee959b00 | 3437 | error = sysfs_create_bin_file(&shost->shost_dev.kobj, |
eada272d | 3438 | &sysfs_ctlreg_attr); |
dea3101e | 3439 | if (error) |
eada272d | 3440 | goto out_remove_stat_attr; |
dea3101e | 3441 | |
ea2151b4 | 3442 | error = sysfs_create_bin_file(&shost->shost_dev.kobj, |
eada272d | 3443 | &sysfs_mbox_attr); |
ea2151b4 | 3444 | if (error) |
eada272d | 3445 | goto out_remove_ctlreg_attr; |
ea2151b4 | 3446 | |
dea3101e | 3447 | return 0; |
3448 | out_remove_ctlreg_attr: | |
ee959b00 | 3449 | sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr); |
eada272d JS |
3450 | out_remove_stat_attr: |
3451 | sysfs_remove_bin_file(&shost->shost_dev.kobj, | |
3452 | &sysfs_drvr_stat_data_attr); | |
dea3101e | 3453 | out: |
3454 | return error; | |
3455 | } | |
3456 | ||
e59058c4 | 3457 | /** |
3621a710 | 3458 | * lpfc_free_sysfs_attr - Removes the ctlreg and mbox entries |
e59058c4 JS |
3459 | * @vport: address of lpfc vport structure. |
3460 | **/ | |
dea3101e | 3461 | void |
2e0fef85 | 3462 | lpfc_free_sysfs_attr(struct lpfc_vport *vport) |
dea3101e | 3463 | { |
2e0fef85 | 3464 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
ea2151b4 JS |
3465 | sysfs_remove_bin_file(&shost->shost_dev.kobj, |
3466 | &sysfs_drvr_stat_data_attr); | |
eada272d JS |
3467 | /* Virtual ports do not need ctrl_reg and mbox */ |
3468 | if (vport->port_type == LPFC_NPIV_PORT) | |
3469 | return; | |
ee959b00 TJ |
3470 | sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_mbox_attr); |
3471 | sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr); | |
dea3101e | 3472 | } |
3473 | ||
3474 | ||
3475 | /* | |
3476 | * Dynamic FC Host Attributes Support | |
3477 | */ | |
3478 | ||
e59058c4 | 3479 | /** |
3621a710 | 3480 | * lpfc_get_host_port_id - Copy the vport DID into the scsi host port id |
e59058c4 JS |
3481 | * @shost: kernel scsi host pointer. |
3482 | **/ | |
dea3101e | 3483 | static void |
3484 | lpfc_get_host_port_id(struct Scsi_Host *shost) | |
3485 | { | |
2e0fef85 JS |
3486 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3487 | ||
dea3101e | 3488 | /* note: fc_myDID already in cpu endianness */ |
2e0fef85 | 3489 | fc_host_port_id(shost) = vport->fc_myDID; |
dea3101e | 3490 | } |
3491 | ||
e59058c4 | 3492 | /** |
3621a710 | 3493 | * lpfc_get_host_port_type - Set the value of the scsi host port type |
e59058c4 JS |
3494 | * @shost: kernel scsi host pointer. |
3495 | **/ | |
dea3101e | 3496 | static void |
3497 | lpfc_get_host_port_type(struct Scsi_Host *shost) | |
3498 | { | |
2e0fef85 JS |
3499 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3500 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 3501 | |
3502 | spin_lock_irq(shost->host_lock); | |
3503 | ||
92d7f7b0 JS |
3504 | if (vport->port_type == LPFC_NPIV_PORT) { |
3505 | fc_host_port_type(shost) = FC_PORTTYPE_NPIV; | |
3506 | } else if (lpfc_is_link_up(phba)) { | |
dea3101e | 3507 | if (phba->fc_topology == TOPOLOGY_LOOP) { |
2e0fef85 | 3508 | if (vport->fc_flag & FC_PUBLIC_LOOP) |
dea3101e | 3509 | fc_host_port_type(shost) = FC_PORTTYPE_NLPORT; |
3510 | else | |
3511 | fc_host_port_type(shost) = FC_PORTTYPE_LPORT; | |
3512 | } else { | |
2e0fef85 | 3513 | if (vport->fc_flag & FC_FABRIC) |
dea3101e | 3514 | fc_host_port_type(shost) = FC_PORTTYPE_NPORT; |
3515 | else | |
3516 | fc_host_port_type(shost) = FC_PORTTYPE_PTP; | |
3517 | } | |
3518 | } else | |
3519 | fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN; | |
3520 | ||
3521 | spin_unlock_irq(shost->host_lock); | |
3522 | } | |
3523 | ||
e59058c4 | 3524 | /** |
3621a710 | 3525 | * lpfc_get_host_port_state - Set the value of the scsi host port state |
e59058c4 JS |
3526 | * @shost: kernel scsi host pointer. |
3527 | **/ | |
dea3101e | 3528 | static void |
3529 | lpfc_get_host_port_state(struct Scsi_Host *shost) | |
3530 | { | |
2e0fef85 JS |
3531 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3532 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 3533 | |
3534 | spin_lock_irq(shost->host_lock); | |
3535 | ||
2e0fef85 | 3536 | if (vport->fc_flag & FC_OFFLINE_MODE) |
dea3101e | 3537 | fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE; |
3538 | else { | |
2e0fef85 JS |
3539 | switch (phba->link_state) { |
3540 | case LPFC_LINK_UNKNOWN: | |
dea3101e | 3541 | case LPFC_LINK_DOWN: |
3542 | fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN; | |
3543 | break; | |
3544 | case LPFC_LINK_UP: | |
dea3101e | 3545 | case LPFC_CLEAR_LA: |
3546 | case LPFC_HBA_READY: | |
3547 | /* Links up, beyond this port_type reports state */ | |
3548 | fc_host_port_state(shost) = FC_PORTSTATE_ONLINE; | |
3549 | break; | |
3550 | case LPFC_HBA_ERROR: | |
3551 | fc_host_port_state(shost) = FC_PORTSTATE_ERROR; | |
3552 | break; | |
3553 | default: | |
3554 | fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN; | |
3555 | break; | |
3556 | } | |
3557 | } | |
3558 | ||
3559 | spin_unlock_irq(shost->host_lock); | |
3560 | } | |
3561 | ||
e59058c4 | 3562 | /** |
3621a710 | 3563 | * lpfc_get_host_speed - Set the value of the scsi host speed |
e59058c4 JS |
3564 | * @shost: kernel scsi host pointer. |
3565 | **/ | |
dea3101e | 3566 | static void |
3567 | lpfc_get_host_speed(struct Scsi_Host *shost) | |
3568 | { | |
2e0fef85 JS |
3569 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3570 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 3571 | |
3572 | spin_lock_irq(shost->host_lock); | |
3573 | ||
2e0fef85 | 3574 | if (lpfc_is_link_up(phba)) { |
dea3101e | 3575 | switch(phba->fc_linkspeed) { |
3576 | case LA_1GHZ_LINK: | |
3577 | fc_host_speed(shost) = FC_PORTSPEED_1GBIT; | |
3578 | break; | |
3579 | case LA_2GHZ_LINK: | |
3580 | fc_host_speed(shost) = FC_PORTSPEED_2GBIT; | |
3581 | break; | |
3582 | case LA_4GHZ_LINK: | |
3583 | fc_host_speed(shost) = FC_PORTSPEED_4GBIT; | |
3584 | break; | |
b87eab38 JS |
3585 | case LA_8GHZ_LINK: |
3586 | fc_host_speed(shost) = FC_PORTSPEED_8GBIT; | |
3587 | break; | |
dea3101e | 3588 | default: |
3589 | fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN; | |
3590 | break; | |
3591 | } | |
09372820 JS |
3592 | } else |
3593 | fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN; | |
dea3101e | 3594 | |
3595 | spin_unlock_irq(shost->host_lock); | |
3596 | } | |
3597 | ||
e59058c4 | 3598 | /** |
3621a710 | 3599 | * lpfc_get_host_fabric_name - Set the value of the scsi host fabric name |
e59058c4 JS |
3600 | * @shost: kernel scsi host pointer. |
3601 | **/ | |
dea3101e | 3602 | static void |
3603 | lpfc_get_host_fabric_name (struct Scsi_Host *shost) | |
3604 | { | |
2e0fef85 JS |
3605 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3606 | struct lpfc_hba *phba = vport->phba; | |
f631b4be | 3607 | u64 node_name; |
dea3101e | 3608 | |
3609 | spin_lock_irq(shost->host_lock); | |
3610 | ||
2e0fef85 | 3611 | if ((vport->fc_flag & FC_FABRIC) || |
dea3101e | 3612 | ((phba->fc_topology == TOPOLOGY_LOOP) && |
2e0fef85 | 3613 | (vport->fc_flag & FC_PUBLIC_LOOP))) |
68ce1eb5 | 3614 | node_name = wwn_to_u64(phba->fc_fabparam.nodeName.u.wwn); |
dea3101e | 3615 | else |
3616 | /* fabric is local port if there is no F/FL_Port */ | |
09372820 | 3617 | node_name = 0; |
dea3101e | 3618 | |
3619 | spin_unlock_irq(shost->host_lock); | |
3620 | ||
f631b4be | 3621 | fc_host_fabric_name(shost) = node_name; |
dea3101e | 3622 | } |
3623 | ||
e59058c4 | 3624 | /** |
3621a710 | 3625 | * lpfc_get_stats - Return statistical information about the adapter |
e59058c4 JS |
3626 | * @shost: kernel scsi host pointer. |
3627 | * | |
3628 | * Notes: | |
3629 | * NULL on error for link down, no mbox pool, sli2 active, | |
3630 | * management not allowed, memory allocation error, or mbox error. | |
3631 | * | |
3632 | * Returns: | |
3633 | * NULL for error | |
3634 | * address of the adapter host statistics | |
3635 | **/ | |
dea3101e | 3636 | static struct fc_host_statistics * |
3637 | lpfc_get_stats(struct Scsi_Host *shost) | |
3638 | { | |
2e0fef85 JS |
3639 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3640 | struct lpfc_hba *phba = vport->phba; | |
3641 | struct lpfc_sli *psli = &phba->sli; | |
f888ba3c | 3642 | struct fc_host_statistics *hs = &phba->link_stats; |
64ba8818 | 3643 | struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets; |
dea3101e | 3644 | LPFC_MBOXQ_t *pmboxq; |
3645 | MAILBOX_t *pmb; | |
64ba8818 | 3646 | unsigned long seconds; |
433c3579 | 3647 | int rc = 0; |
dea3101e | 3648 | |
92d7f7b0 JS |
3649 | /* |
3650 | * prevent udev from issuing mailbox commands until the port is | |
3651 | * configured. | |
3652 | */ | |
2e0fef85 JS |
3653 | if (phba->link_state < LPFC_LINK_DOWN || |
3654 | !phba->mbox_mem_pool || | |
3655 | (phba->sli.sli_flag & LPFC_SLI2_ACTIVE) == 0) | |
92d7f7b0 | 3656 | return NULL; |
2e0fef85 JS |
3657 | |
3658 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) | |
46fa311e JS |
3659 | return NULL; |
3660 | ||
dea3101e | 3661 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
3662 | if (!pmboxq) | |
3663 | return NULL; | |
3664 | memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); | |
3665 | ||
3666 | pmb = &pmboxq->mb; | |
3667 | pmb->mbxCommand = MBX_READ_STATUS; | |
3668 | pmb->mbxOwner = OWN_HOST; | |
3669 | pmboxq->context1 = NULL; | |
92d7f7b0 | 3670 | pmboxq->vport = vport; |
dea3101e | 3671 | |
2e0fef85 | 3672 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
433c3579 | 3673 | (!(psli->sli_flag & LPFC_SLI2_ACTIVE))) |
dea3101e | 3674 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
433c3579 | 3675 | else |
dea3101e | 3676 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); |
3677 | ||
3678 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 3679 | if (rc != MBX_TIMEOUT) |
433c3579 | 3680 | mempool_free(pmboxq, phba->mbox_mem_pool); |
dea3101e | 3681 | return NULL; |
3682 | } | |
3683 | ||
f888ba3c JSEC |
3684 | memset(hs, 0, sizeof (struct fc_host_statistics)); |
3685 | ||
dea3101e | 3686 | hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt; |
3687 | hs->tx_words = (pmb->un.varRdStatus.xmitByteCnt * 256); | |
3688 | hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt; | |
3689 | hs->rx_words = (pmb->un.varRdStatus.rcvByteCnt * 256); | |
3690 | ||
433c3579 | 3691 | memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); |
dea3101e | 3692 | pmb->mbxCommand = MBX_READ_LNK_STAT; |
3693 | pmb->mbxOwner = OWN_HOST; | |
3694 | pmboxq->context1 = NULL; | |
92d7f7b0 | 3695 | pmboxq->vport = vport; |
dea3101e | 3696 | |
2e0fef85 | 3697 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
433c3579 | 3698 | (!(psli->sli_flag & LPFC_SLI2_ACTIVE))) |
dea3101e | 3699 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
433c3579 | 3700 | else |
dea3101e | 3701 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); |
3702 | ||
3703 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 3704 | if (rc != MBX_TIMEOUT) |
92d7f7b0 | 3705 | mempool_free(pmboxq, phba->mbox_mem_pool); |
dea3101e | 3706 | return NULL; |
3707 | } | |
3708 | ||
3709 | hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt; | |
3710 | hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt; | |
3711 | hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt; | |
3712 | hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt; | |
3713 | hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord; | |
3714 | hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt; | |
3715 | hs->error_frames = pmb->un.varRdLnk.crcCnt; | |
3716 | ||
64ba8818 JS |
3717 | hs->link_failure_count -= lso->link_failure_count; |
3718 | hs->loss_of_sync_count -= lso->loss_of_sync_count; | |
3719 | hs->loss_of_signal_count -= lso->loss_of_signal_count; | |
3720 | hs->prim_seq_protocol_err_count -= lso->prim_seq_protocol_err_count; | |
3721 | hs->invalid_tx_word_count -= lso->invalid_tx_word_count; | |
3722 | hs->invalid_crc_count -= lso->invalid_crc_count; | |
3723 | hs->error_frames -= lso->error_frames; | |
3724 | ||
dea3101e | 3725 | if (phba->fc_topology == TOPOLOGY_LOOP) { |
3726 | hs->lip_count = (phba->fc_eventTag >> 1); | |
64ba8818 | 3727 | hs->lip_count -= lso->link_events; |
dea3101e | 3728 | hs->nos_count = -1; |
3729 | } else { | |
3730 | hs->lip_count = -1; | |
3731 | hs->nos_count = (phba->fc_eventTag >> 1); | |
64ba8818 | 3732 | hs->nos_count -= lso->link_events; |
dea3101e | 3733 | } |
3734 | ||
3735 | hs->dumped_frames = -1; | |
3736 | ||
64ba8818 JS |
3737 | seconds = get_seconds(); |
3738 | if (seconds < psli->stats_start) | |
3739 | hs->seconds_since_last_reset = seconds + | |
3740 | ((unsigned long)-1 - psli->stats_start); | |
3741 | else | |
3742 | hs->seconds_since_last_reset = seconds - psli->stats_start; | |
dea3101e | 3743 | |
1dcb58e5 JS |
3744 | mempool_free(pmboxq, phba->mbox_mem_pool); |
3745 | ||
dea3101e | 3746 | return hs; |
3747 | } | |
3748 | ||
e59058c4 | 3749 | /** |
3621a710 | 3750 | * lpfc_reset_stats - Copy the adapter link stats information |
e59058c4 JS |
3751 | * @shost: kernel scsi host pointer. |
3752 | **/ | |
64ba8818 JS |
3753 | static void |
3754 | lpfc_reset_stats(struct Scsi_Host *shost) | |
3755 | { | |
2e0fef85 JS |
3756 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3757 | struct lpfc_hba *phba = vport->phba; | |
3758 | struct lpfc_sli *psli = &phba->sli; | |
3759 | struct lpfc_lnk_stat *lso = &psli->lnk_stat_offsets; | |
64ba8818 JS |
3760 | LPFC_MBOXQ_t *pmboxq; |
3761 | MAILBOX_t *pmb; | |
3762 | int rc = 0; | |
3763 | ||
2e0fef85 | 3764 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) |
46fa311e JS |
3765 | return; |
3766 | ||
64ba8818 JS |
3767 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
3768 | if (!pmboxq) | |
3769 | return; | |
3770 | memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t)); | |
3771 | ||
3772 | pmb = &pmboxq->mb; | |
3773 | pmb->mbxCommand = MBX_READ_STATUS; | |
3774 | pmb->mbxOwner = OWN_HOST; | |
3775 | pmb->un.varWords[0] = 0x1; /* reset request */ | |
3776 | pmboxq->context1 = NULL; | |
92d7f7b0 | 3777 | pmboxq->vport = vport; |
64ba8818 | 3778 | |
2e0fef85 | 3779 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
64ba8818 JS |
3780 | (!(psli->sli_flag & LPFC_SLI2_ACTIVE))) |
3781 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); | |
3782 | else | |
3783 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); | |
3784 | ||
3785 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 3786 | if (rc != MBX_TIMEOUT) |
64ba8818 JS |
3787 | mempool_free(pmboxq, phba->mbox_mem_pool); |
3788 | return; | |
3789 | } | |
3790 | ||
3791 | memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t)); | |
3792 | pmb->mbxCommand = MBX_READ_LNK_STAT; | |
3793 | pmb->mbxOwner = OWN_HOST; | |
3794 | pmboxq->context1 = NULL; | |
92d7f7b0 | 3795 | pmboxq->vport = vport; |
64ba8818 | 3796 | |
2e0fef85 | 3797 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
64ba8818 JS |
3798 | (!(psli->sli_flag & LPFC_SLI2_ACTIVE))) |
3799 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); | |
3800 | else | |
3801 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); | |
3802 | ||
3803 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 3804 | if (rc != MBX_TIMEOUT) |
64ba8818 JS |
3805 | mempool_free( pmboxq, phba->mbox_mem_pool); |
3806 | return; | |
3807 | } | |
3808 | ||
3809 | lso->link_failure_count = pmb->un.varRdLnk.linkFailureCnt; | |
3810 | lso->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt; | |
3811 | lso->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt; | |
3812 | lso->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt; | |
3813 | lso->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord; | |
3814 | lso->invalid_crc_count = pmb->un.varRdLnk.crcCnt; | |
3815 | lso->error_frames = pmb->un.varRdLnk.crcCnt; | |
3816 | lso->link_events = (phba->fc_eventTag >> 1); | |
3817 | ||
3818 | psli->stats_start = get_seconds(); | |
3819 | ||
1dcb58e5 JS |
3820 | mempool_free(pmboxq, phba->mbox_mem_pool); |
3821 | ||
64ba8818 JS |
3822 | return; |
3823 | } | |
dea3101e | 3824 | |
3825 | /* | |
3826 | * The LPFC driver treats linkdown handling as target loss events so there | |
3827 | * are no sysfs handlers for link_down_tmo. | |
3828 | */ | |
685f0bf7 | 3829 | |
e59058c4 | 3830 | /** |
3621a710 | 3831 | * lpfc_get_node_by_target - Return the nodelist for a target |
e59058c4 JS |
3832 | * @starget: kernel scsi target pointer. |
3833 | * | |
3834 | * Returns: | |
3835 | * address of the node list if found | |
3836 | * NULL target not found | |
3837 | **/ | |
685f0bf7 JS |
3838 | static struct lpfc_nodelist * |
3839 | lpfc_get_node_by_target(struct scsi_target *starget) | |
dea3101e | 3840 | { |
2e0fef85 JS |
3841 | struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); |
3842 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
685f0bf7 | 3843 | struct lpfc_nodelist *ndlp; |
dea3101e | 3844 | |
3845 | spin_lock_irq(shost->host_lock); | |
685f0bf7 | 3846 | /* Search for this, mapped, target ID */ |
2e0fef85 | 3847 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
e47c9093 JS |
3848 | if (NLP_CHK_NODE_ACT(ndlp) && |
3849 | ndlp->nlp_state == NLP_STE_MAPPED_NODE && | |
685f0bf7 JS |
3850 | starget->id == ndlp->nlp_sid) { |
3851 | spin_unlock_irq(shost->host_lock); | |
3852 | return ndlp; | |
dea3101e | 3853 | } |
3854 | } | |
3855 | spin_unlock_irq(shost->host_lock); | |
685f0bf7 JS |
3856 | return NULL; |
3857 | } | |
dea3101e | 3858 | |
e59058c4 | 3859 | /** |
3621a710 | 3860 | * lpfc_get_starget_port_id - Set the target port id to the ndlp DID or -1 |
e59058c4 JS |
3861 | * @starget: kernel scsi target pointer. |
3862 | **/ | |
685f0bf7 JS |
3863 | static void |
3864 | lpfc_get_starget_port_id(struct scsi_target *starget) | |
3865 | { | |
3866 | struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); | |
3867 | ||
3868 | fc_starget_port_id(starget) = ndlp ? ndlp->nlp_DID : -1; | |
dea3101e | 3869 | } |
3870 | ||
e59058c4 | 3871 | /** |
3621a710 | 3872 | * lpfc_get_starget_node_name - Set the target node name |
e59058c4 JS |
3873 | * @starget: kernel scsi target pointer. |
3874 | * | |
3875 | * Description: Set the target node name to the ndlp node name wwn or zero. | |
3876 | **/ | |
dea3101e | 3877 | static void |
3878 | lpfc_get_starget_node_name(struct scsi_target *starget) | |
3879 | { | |
685f0bf7 | 3880 | struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); |
dea3101e | 3881 | |
685f0bf7 JS |
3882 | fc_starget_node_name(starget) = |
3883 | ndlp ? wwn_to_u64(ndlp->nlp_nodename.u.wwn) : 0; | |
dea3101e | 3884 | } |
3885 | ||
e59058c4 | 3886 | /** |
3621a710 | 3887 | * lpfc_get_starget_port_name - Set the target port name |
e59058c4 JS |
3888 | * @starget: kernel scsi target pointer. |
3889 | * | |
3890 | * Description: set the target port name to the ndlp port name wwn or zero. | |
3891 | **/ | |
dea3101e | 3892 | static void |
3893 | lpfc_get_starget_port_name(struct scsi_target *starget) | |
3894 | { | |
685f0bf7 | 3895 | struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); |
dea3101e | 3896 | |
685f0bf7 JS |
3897 | fc_starget_port_name(starget) = |
3898 | ndlp ? wwn_to_u64(ndlp->nlp_portname.u.wwn) : 0; | |
dea3101e | 3899 | } |
3900 | ||
e59058c4 | 3901 | /** |
3621a710 | 3902 | * lpfc_set_rport_loss_tmo - Set the rport dev loss tmo |
e59058c4 JS |
3903 | * @rport: fc rport address. |
3904 | * @timeout: new value for dev loss tmo. | |
3905 | * | |
3906 | * Description: | |
3907 | * If timeout is non zero set the dev_loss_tmo to timeout, else set | |
3908 | * dev_loss_tmo to one. | |
3909 | **/ | |
dea3101e | 3910 | static void |
3911 | lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout) | |
3912 | { | |
dea3101e | 3913 | if (timeout) |
c01f3208 | 3914 | rport->dev_loss_tmo = timeout; |
dea3101e | 3915 | else |
c01f3208 | 3916 | rport->dev_loss_tmo = 1; |
dea3101e | 3917 | } |
3918 | ||
e59058c4 | 3919 | /** |
3621a710 | 3920 | * lpfc_rport_show_function - Return rport target information |
e59058c4 JS |
3921 | * |
3922 | * Description: | |
3923 | * Macro that uses field to generate a function with the name lpfc_show_rport_ | |
3924 | * | |
3925 | * lpfc_show_rport_##field: returns the bytes formatted in buf | |
3926 | * @cdev: class converted to an fc_rport. | |
3927 | * @buf: on return contains the target_field or zero. | |
3928 | * | |
3929 | * Returns: size of formatted string. | |
3930 | **/ | |
dea3101e | 3931 | #define lpfc_rport_show_function(field, format_string, sz, cast) \ |
3932 | static ssize_t \ | |
ee959b00 TJ |
3933 | lpfc_show_rport_##field (struct device *dev, \ |
3934 | struct device_attribute *attr, \ | |
3935 | char *buf) \ | |
dea3101e | 3936 | { \ |
ee959b00 | 3937 | struct fc_rport *rport = transport_class_to_rport(dev); \ |
dea3101e | 3938 | struct lpfc_rport_data *rdata = rport->hostdata; \ |
3939 | return snprintf(buf, sz, format_string, \ | |
3940 | (rdata->target) ? cast rdata->target->field : 0); \ | |
3941 | } | |
3942 | ||
3943 | #define lpfc_rport_rd_attr(field, format_string, sz) \ | |
3944 | lpfc_rport_show_function(field, format_string, sz, ) \ | |
3945 | static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL) | |
3946 | ||
eada272d | 3947 | /** |
3621a710 | 3948 | * lpfc_set_vport_symbolic_name - Set the vport's symbolic name |
eada272d JS |
3949 | * @fc_vport: The fc_vport who's symbolic name has been changed. |
3950 | * | |
3951 | * Description: | |
3952 | * This function is called by the transport after the @fc_vport's symbolic name | |
3953 | * has been changed. This function re-registers the symbolic name with the | |
3954 | * switch to propogate the change into the fabric if the vport is active. | |
3955 | **/ | |
3956 | static void | |
3957 | lpfc_set_vport_symbolic_name(struct fc_vport *fc_vport) | |
3958 | { | |
3959 | struct lpfc_vport *vport = *(struct lpfc_vport **)fc_vport->dd_data; | |
3960 | ||
3961 | if (vport->port_state == LPFC_VPORT_READY) | |
3962 | lpfc_ns_cmd(vport, SLI_CTNS_RSPN_ID, 0, 0); | |
3963 | } | |
dea3101e | 3964 | |
3965 | struct fc_function_template lpfc_transport_functions = { | |
3966 | /* fixed attributes the driver supports */ | |
3967 | .show_host_node_name = 1, | |
3968 | .show_host_port_name = 1, | |
3969 | .show_host_supported_classes = 1, | |
3970 | .show_host_supported_fc4s = 1, | |
dea3101e | 3971 | .show_host_supported_speeds = 1, |
3972 | .show_host_maxframe_size = 1, | |
eada272d | 3973 | .show_host_symbolic_name = 1, |
dea3101e | 3974 | |
3975 | /* dynamic attributes the driver supports */ | |
3976 | .get_host_port_id = lpfc_get_host_port_id, | |
3977 | .show_host_port_id = 1, | |
3978 | ||
3979 | .get_host_port_type = lpfc_get_host_port_type, | |
3980 | .show_host_port_type = 1, | |
3981 | ||
3982 | .get_host_port_state = lpfc_get_host_port_state, | |
3983 | .show_host_port_state = 1, | |
3984 | ||
3985 | /* active_fc4s is shown but doesn't change (thus no get function) */ | |
3986 | .show_host_active_fc4s = 1, | |
3987 | ||
3988 | .get_host_speed = lpfc_get_host_speed, | |
3989 | .show_host_speed = 1, | |
3990 | ||
3991 | .get_host_fabric_name = lpfc_get_host_fabric_name, | |
3992 | .show_host_fabric_name = 1, | |
3993 | ||
3994 | /* | |
3995 | * The LPFC driver treats linkdown handling as target loss events | |
3996 | * so there are no sysfs handlers for link_down_tmo. | |
3997 | */ | |
3998 | ||
3999 | .get_fc_host_stats = lpfc_get_stats, | |
64ba8818 | 4000 | .reset_fc_host_stats = lpfc_reset_stats, |
dea3101e | 4001 | |
4002 | .dd_fcrport_size = sizeof(struct lpfc_rport_data), | |
4003 | .show_rport_maxframe_size = 1, | |
4004 | .show_rport_supported_classes = 1, | |
4005 | ||
dea3101e | 4006 | .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo, |
4007 | .show_rport_dev_loss_tmo = 1, | |
4008 | ||
4009 | .get_starget_port_id = lpfc_get_starget_port_id, | |
4010 | .show_starget_port_id = 1, | |
4011 | ||
4012 | .get_starget_node_name = lpfc_get_starget_node_name, | |
4013 | .show_starget_node_name = 1, | |
4014 | ||
4015 | .get_starget_port_name = lpfc_get_starget_port_name, | |
4016 | .show_starget_port_name = 1, | |
91ca7b01 AV |
4017 | |
4018 | .issue_fc_host_lip = lpfc_issue_lip, | |
c01f3208 JS |
4019 | .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk, |
4020 | .terminate_rport_io = lpfc_terminate_rport_io, | |
92d7f7b0 | 4021 | |
92d7f7b0 | 4022 | .dd_fcvport_size = sizeof(struct lpfc_vport *), |
eada272d JS |
4023 | |
4024 | .vport_disable = lpfc_vport_disable, | |
4025 | ||
4026 | .set_vport_symbolic_name = lpfc_set_vport_symbolic_name, | |
92d7f7b0 JS |
4027 | }; |
4028 | ||
98c9ea5c JS |
4029 | struct fc_function_template lpfc_vport_transport_functions = { |
4030 | /* fixed attributes the driver supports */ | |
4031 | .show_host_node_name = 1, | |
4032 | .show_host_port_name = 1, | |
4033 | .show_host_supported_classes = 1, | |
4034 | .show_host_supported_fc4s = 1, | |
4035 | .show_host_supported_speeds = 1, | |
4036 | .show_host_maxframe_size = 1, | |
eada272d | 4037 | .show_host_symbolic_name = 1, |
98c9ea5c JS |
4038 | |
4039 | /* dynamic attributes the driver supports */ | |
4040 | .get_host_port_id = lpfc_get_host_port_id, | |
4041 | .show_host_port_id = 1, | |
4042 | ||
4043 | .get_host_port_type = lpfc_get_host_port_type, | |
4044 | .show_host_port_type = 1, | |
4045 | ||
4046 | .get_host_port_state = lpfc_get_host_port_state, | |
4047 | .show_host_port_state = 1, | |
4048 | ||
4049 | /* active_fc4s is shown but doesn't change (thus no get function) */ | |
4050 | .show_host_active_fc4s = 1, | |
4051 | ||
4052 | .get_host_speed = lpfc_get_host_speed, | |
4053 | .show_host_speed = 1, | |
4054 | ||
4055 | .get_host_fabric_name = lpfc_get_host_fabric_name, | |
4056 | .show_host_fabric_name = 1, | |
4057 | ||
4058 | /* | |
4059 | * The LPFC driver treats linkdown handling as target loss events | |
4060 | * so there are no sysfs handlers for link_down_tmo. | |
4061 | */ | |
4062 | ||
4063 | .get_fc_host_stats = lpfc_get_stats, | |
4064 | .reset_fc_host_stats = lpfc_reset_stats, | |
4065 | ||
4066 | .dd_fcrport_size = sizeof(struct lpfc_rport_data), | |
4067 | .show_rport_maxframe_size = 1, | |
4068 | .show_rport_supported_classes = 1, | |
4069 | ||
4070 | .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo, | |
4071 | .show_rport_dev_loss_tmo = 1, | |
4072 | ||
4073 | .get_starget_port_id = lpfc_get_starget_port_id, | |
4074 | .show_starget_port_id = 1, | |
4075 | ||
4076 | .get_starget_node_name = lpfc_get_starget_node_name, | |
4077 | .show_starget_node_name = 1, | |
4078 | ||
4079 | .get_starget_port_name = lpfc_get_starget_port_name, | |
4080 | .show_starget_port_name = 1, | |
4081 | ||
4082 | .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk, | |
4083 | .terminate_rport_io = lpfc_terminate_rport_io, | |
4084 | ||
4085 | .vport_disable = lpfc_vport_disable, | |
eada272d JS |
4086 | |
4087 | .set_vport_symbolic_name = lpfc_set_vport_symbolic_name, | |
98c9ea5c JS |
4088 | }; |
4089 | ||
e59058c4 | 4090 | /** |
3621a710 | 4091 | * lpfc_get_cfgparam - Used during probe_one to init the adapter structure |
e59058c4 JS |
4092 | * @phba: lpfc_hba pointer. |
4093 | **/ | |
dea3101e | 4094 | void |
4095 | lpfc_get_cfgparam(struct lpfc_hba *phba) | |
4096 | { | |
7bcbb752 JSEC |
4097 | lpfc_cr_delay_init(phba, lpfc_cr_delay); |
4098 | lpfc_cr_count_init(phba, lpfc_cr_count); | |
cf5bf97e | 4099 | lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support); |
a4bc3379 JS |
4100 | lpfc_multi_ring_rctl_init(phba, lpfc_multi_ring_rctl); |
4101 | lpfc_multi_ring_type_init(phba, lpfc_multi_ring_type); | |
7bcbb752 JSEC |
4102 | lpfc_ack0_init(phba, lpfc_ack0); |
4103 | lpfc_topology_init(phba, lpfc_topology); | |
7bcbb752 | 4104 | lpfc_link_speed_init(phba, lpfc_link_speed); |
875fbdfe | 4105 | lpfc_poll_tmo_init(phba, lpfc_poll_tmo); |
78b2d852 | 4106 | lpfc_enable_npiv_init(phba, lpfc_enable_npiv); |
4ff43246 | 4107 | lpfc_use_msi_init(phba, lpfc_use_msi); |
13815c83 JS |
4108 | lpfc_enable_hba_reset_init(phba, lpfc_enable_hba_reset); |
4109 | lpfc_enable_hba_heartbeat_init(phba, lpfc_enable_hba_heartbeat); | |
81301a9b | 4110 | lpfc_enable_bg_init(phba, lpfc_enable_bg); |
875fbdfe | 4111 | phba->cfg_poll = lpfc_poll; |
a12e07bc | 4112 | phba->cfg_soft_wwnn = 0L; |
c3f28afa | 4113 | phba->cfg_soft_wwpn = 0L; |
83108bd3 | 4114 | lpfc_sg_seg_cnt_init(phba, lpfc_sg_seg_cnt); |
81301a9b | 4115 | lpfc_prot_sg_seg_cnt_init(phba, lpfc_prot_sg_seg_cnt); |
dea3101e | 4116 | /* |
4117 | * Since the sg_tablesize is module parameter, the sg_dma_buf_size | |
83108bd3 JS |
4118 | * used to create the sg_dma_buf_pool must be dynamically calculated. |
4119 | * 2 segments are added since the IOCB needs a command and response bde. | |
dea3101e | 4120 | */ |
4121 | phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) + | |
4122 | sizeof(struct fcp_rsp) + | |
83108bd3 | 4123 | ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct ulp_bde64)); |
81301a9b JS |
4124 | |
4125 | if (phba->cfg_enable_bg) { | |
4126 | phba->cfg_sg_seg_cnt = LPFC_MAX_SG_SEG_CNT; | |
4127 | phba->cfg_sg_dma_buf_size += | |
4128 | phba->cfg_prot_sg_seg_cnt * sizeof(struct ulp_bde64); | |
4129 | } | |
4130 | ||
4131 | /* Also reinitialize the host templates with new values. */ | |
4132 | lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt; | |
4133 | lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt; | |
4134 | ||
7054a606 | 4135 | lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth); |
3de2a653 JS |
4136 | return; |
4137 | } | |
b28485ac | 4138 | |
e59058c4 | 4139 | /** |
3621a710 | 4140 | * lpfc_get_vport_cfgparam - Used during port create, init the vport structure |
e59058c4 JS |
4141 | * @vport: lpfc_vport pointer. |
4142 | **/ | |
3de2a653 JS |
4143 | void |
4144 | lpfc_get_vport_cfgparam(struct lpfc_vport *vport) | |
4145 | { | |
e8b62011 | 4146 | lpfc_log_verbose_init(vport, lpfc_log_verbose); |
3de2a653 JS |
4147 | lpfc_lun_queue_depth_init(vport, lpfc_lun_queue_depth); |
4148 | lpfc_devloss_tmo_init(vport, lpfc_devloss_tmo); | |
4149 | lpfc_nodev_tmo_init(vport, lpfc_nodev_tmo); | |
4150 | lpfc_peer_port_login_init(vport, lpfc_peer_port_login); | |
4151 | lpfc_restrict_login_init(vport, lpfc_restrict_login); | |
4152 | lpfc_fcp_class_init(vport, lpfc_fcp_class); | |
4153 | lpfc_use_adisc_init(vport, lpfc_use_adisc); | |
977b5a0a | 4154 | lpfc_max_scsicmpl_time_init(vport, lpfc_max_scsicmpl_time); |
3de2a653 JS |
4155 | lpfc_fdmi_on_init(vport, lpfc_fdmi_on); |
4156 | lpfc_discovery_threads_init(vport, lpfc_discovery_threads); | |
4157 | lpfc_max_luns_init(vport, lpfc_max_luns); | |
4158 | lpfc_scan_down_init(vport, lpfc_scan_down); | |
7ee5d43e | 4159 | lpfc_enable_da_id_init(vport, lpfc_enable_da_id); |
dea3101e | 4160 | return; |
4161 | } |