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dea3101e JB |
1 | /******************************************************************* |
2 | * This file is part of the Emulex Linux Device Driver for * | |
c44ce173 | 3 | * Fibre Channel Host Bus Adapters. * |
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 JB |
8 | * * |
9 | * This program is free software; you can redistribute it and/or * | |
c44ce173 JSEC |
10 | * modify it under the terms of version 2 of the GNU General * |
11 | * Public License as published by the Free Software Foundation. * | |
12 | * This program is distributed in the hope that it will be useful. * | |
13 | * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * | |
14 | * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * | |
15 | * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * | |
16 | * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * | |
17 | * TO BE LEGALLY INVALID. See the GNU General Public License for * | |
18 | * more details, a copy of which can be found in the file COPYING * | |
19 | * included with this package. * | |
dea3101e JB |
20 | *******************************************************************/ |
21 | ||
dea3101e | 22 | #include <linux/ctype.h> |
46fa311e | 23 | #include <linux/delay.h> |
dea3101e JB |
24 | #include <linux/pci.h> |
25 | #include <linux/interrupt.h> | |
26 | ||
91886523 | 27 | #include <scsi/scsi.h> |
dea3101e JB |
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 JB |
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 JS |
53 | /** |
54 | * lpfc_jedec_to_ascii: Hex to ascii convertor according to JEDEC rules. | |
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 JB |
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 JS |
84 | /** |
85 | * lpfc_drvr_version_show: Return the Emulex driver string with version number. | |
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 JB |
95 | { |
96 | return snprintf(buf, PAGE_SIZE, LPFC_MODULE_DESC "\n"); | |
97 | } | |
98 | ||
e59058c4 JS |
99 | /** |
100 | * lpfc_info_show: Return some pci info about the host in ascii. | |
101 | * @dev: class converted to a Scsi_host structure. | |
102 | * @attr: device attribute, not used. | |
103 | * @buf: on return contains the formatted text from lpfc_info(). | |
104 | * | |
105 | * Returns: size of formatted string. | |
106 | **/ | |
dea3101e | 107 | static ssize_t |
ee959b00 TJ |
108 | lpfc_info_show(struct device *dev, struct device_attribute *attr, |
109 | char *buf) | |
dea3101e | 110 | { |
ee959b00 | 111 | struct Scsi_Host *host = class_to_shost(dev); |
2e0fef85 | 112 | |
dea3101e JB |
113 | return snprintf(buf, PAGE_SIZE, "%s\n",lpfc_info(host)); |
114 | } | |
115 | ||
e59058c4 JS |
116 | /** |
117 | * lpfc_serialnum_show: Return the hba serial number in ascii. | |
118 | * @dev: class converted to a Scsi_host structure. | |
119 | * @attr: device attribute, not used. | |
120 | * @buf: on return contains the formatted text serial number. | |
121 | * | |
122 | * Returns: size of formatted string. | |
123 | **/ | |
dea3101e | 124 | static ssize_t |
ee959b00 TJ |
125 | lpfc_serialnum_show(struct device *dev, struct device_attribute *attr, |
126 | char *buf) | |
dea3101e | 127 | { |
ee959b00 | 128 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
129 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
130 | struct lpfc_hba *phba = vport->phba; | |
131 | ||
dea3101e JB |
132 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->SerialNumber); |
133 | } | |
134 | ||
e59058c4 JS |
135 | /** |
136 | * lpfc_temp_sensor_show: Return the temperature sensor level. | |
137 | * @dev: class converted to a Scsi_host structure. | |
138 | * @attr: device attribute, not used. | |
139 | * @buf: on return contains the formatted support level. | |
140 | * | |
141 | * Description: | |
142 | * Returns a number indicating the temperature sensor level currently | |
143 | * supported, zero or one in ascii. | |
144 | * | |
145 | * Returns: size of formatted string. | |
146 | **/ | |
57127f15 | 147 | static ssize_t |
ee959b00 TJ |
148 | lpfc_temp_sensor_show(struct device *dev, struct device_attribute *attr, |
149 | char *buf) | |
57127f15 | 150 | { |
ee959b00 | 151 | struct Scsi_Host *shost = class_to_shost(dev); |
57127f15 JS |
152 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
153 | struct lpfc_hba *phba = vport->phba; | |
154 | return snprintf(buf, PAGE_SIZE, "%d\n",phba->temp_sensor_support); | |
155 | } | |
156 | ||
e59058c4 JS |
157 | /** |
158 | * lpfc_modeldesc_show: Return the model description of the hba. | |
159 | * @dev: class converted to a Scsi_host structure. | |
160 | * @attr: device attribute, not used. | |
161 | * @buf: on return contains the scsi vpd model description. | |
162 | * | |
163 | * Returns: size of formatted string. | |
164 | **/ | |
dea3101e | 165 | static ssize_t |
ee959b00 TJ |
166 | lpfc_modeldesc_show(struct device *dev, struct device_attribute *attr, |
167 | char *buf) | |
dea3101e | 168 | { |
ee959b00 | 169 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
170 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
171 | struct lpfc_hba *phba = vport->phba; | |
172 | ||
dea3101e JB |
173 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelDesc); |
174 | } | |
175 | ||
e59058c4 JS |
176 | /** |
177 | * lpfc_modelname_show: Return the model name of the hba. | |
178 | * @dev: class converted to a Scsi_host structure. | |
179 | * @attr: device attribute, not used. | |
180 | * @buf: on return contains the scsi vpd model name. | |
181 | * | |
182 | * Returns: size of formatted string. | |
183 | **/ | |
dea3101e | 184 | static ssize_t |
ee959b00 TJ |
185 | lpfc_modelname_show(struct device *dev, struct device_attribute *attr, |
186 | char *buf) | |
dea3101e | 187 | { |
ee959b00 | 188 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
189 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
190 | struct lpfc_hba *phba = vport->phba; | |
191 | ||
dea3101e JB |
192 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelName); |
193 | } | |
194 | ||
e59058c4 JS |
195 | /** |
196 | * lpfc_programtype_show: Return the program type of the hba. | |
197 | * @dev: class converted to a Scsi_host structure. | |
198 | * @attr: device attribute, not used. | |
199 | * @buf: on return contains the scsi vpd program type. | |
200 | * | |
201 | * Returns: size of formatted string. | |
202 | **/ | |
dea3101e | 203 | static ssize_t |
ee959b00 TJ |
204 | lpfc_programtype_show(struct device *dev, struct device_attribute *attr, |
205 | char *buf) | |
dea3101e | 206 | { |
ee959b00 | 207 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
208 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
209 | struct lpfc_hba *phba = vport->phba; | |
210 | ||
dea3101e JB |
211 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->ProgramType); |
212 | } | |
213 | ||
84774a4d JS |
214 | /** |
215 | * lpfc_mlomgmt_show: Return the Menlo Maintenance sli flag. | |
216 | * @dev: class converted to a Scsi_host structure. | |
217 | * @attr: device attribute, not used. | |
218 | * @buf: on return contains the Menlo Maintenance sli flag. | |
219 | * | |
220 | * Returns: size of formatted string. | |
221 | **/ | |
222 | static ssize_t | |
223 | lpfc_mlomgmt_show(struct device *dev, struct device_attribute *attr, char *buf) | |
224 | { | |
225 | struct Scsi_Host *shost = class_to_shost(dev); | |
226 | struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; | |
227 | struct lpfc_hba *phba = vport->phba; | |
228 | ||
229 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
230 | (phba->sli.sli_flag & LPFC_MENLO_MAINT)); | |
231 | } | |
232 | ||
e59058c4 JS |
233 | /** |
234 | * lpfc_vportnum_show: Return the port number in ascii of the hba. | |
235 | * @dev: class converted to a Scsi_host structure. | |
236 | * @attr: device attribute, not used. | |
237 | * @buf: on return contains scsi vpd program type. | |
238 | * | |
239 | * Returns: size of formatted string. | |
240 | **/ | |
dea3101e | 241 | static ssize_t |
ee959b00 TJ |
242 | lpfc_vportnum_show(struct device *dev, struct device_attribute *attr, |
243 | char *buf) | |
dea3101e | 244 | { |
ee959b00 | 245 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
246 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
247 | struct lpfc_hba *phba = vport->phba; | |
248 | ||
dea3101e JB |
249 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->Port); |
250 | } | |
251 | ||
e59058c4 JS |
252 | /** |
253 | * lpfc_fwrev_show: Return the firmware rev running in the hba. | |
254 | * @dev: class converted to a Scsi_host structure. | |
255 | * @attr: device attribute, not used. | |
256 | * @buf: on return contains the scsi vpd program type. | |
257 | * | |
258 | * Returns: size of formatted string. | |
259 | **/ | |
dea3101e | 260 | static ssize_t |
ee959b00 TJ |
261 | lpfc_fwrev_show(struct device *dev, struct device_attribute *attr, |
262 | char *buf) | |
dea3101e | 263 | { |
ee959b00 | 264 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
265 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
266 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 267 | char fwrev[32]; |
2e0fef85 | 268 | |
dea3101e | 269 | lpfc_decode_firmware_rev(phba, fwrev, 1); |
92d7f7b0 | 270 | return snprintf(buf, PAGE_SIZE, "%s, sli-%d\n", fwrev, phba->sli_rev); |
dea3101e JB |
271 | } |
272 | ||
e59058c4 JS |
273 | /** |
274 | * lpfc_hdw_show: Return the jedec information about the hba. | |
275 | * @dev: class converted to a Scsi_host structure. | |
276 | * @attr: device attribute, not used. | |
277 | * @buf: on return contains the scsi vpd program type. | |
278 | * | |
279 | * Returns: size of formatted string. | |
280 | **/ | |
dea3101e | 281 | static ssize_t |
ee959b00 | 282 | lpfc_hdw_show(struct device *dev, struct device_attribute *attr, char *buf) |
dea3101e JB |
283 | { |
284 | char hdw[9]; | |
ee959b00 | 285 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
286 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
287 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 288 | lpfc_vpd_t *vp = &phba->vpd; |
2e0fef85 | 289 | |
dea3101e JB |
290 | lpfc_jedec_to_ascii(vp->rev.biuRev, hdw); |
291 | return snprintf(buf, PAGE_SIZE, "%s\n", hdw); | |
292 | } | |
e59058c4 JS |
293 | |
294 | /** | |
295 | * lpfc_option_rom_version_show: Return the adapter ROM FCode version. | |
296 | * @dev: class converted to a Scsi_host structure. | |
297 | * @attr: device attribute, not used. | |
298 | * @buf: on return contains the ROM and FCode ascii strings. | |
299 | * | |
300 | * Returns: size of formatted string. | |
301 | **/ | |
dea3101e | 302 | static ssize_t |
ee959b00 TJ |
303 | lpfc_option_rom_version_show(struct device *dev, struct device_attribute *attr, |
304 | char *buf) | |
dea3101e | 305 | { |
ee959b00 | 306 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
307 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
308 | struct lpfc_hba *phba = vport->phba; | |
309 | ||
dea3101e JB |
310 | return snprintf(buf, PAGE_SIZE, "%s\n", phba->OptionROMVersion); |
311 | } | |
e59058c4 JS |
312 | |
313 | /** | |
314 | * lpfc_state_show: Return the link state of the port. | |
315 | * @dev: class converted to a Scsi_host structure. | |
316 | * @attr: device attribute, not used. | |
317 | * @buf: on return contains text describing the state of the link. | |
318 | * | |
319 | * Notes: | |
320 | * The switch statement has no default so zero will be returned. | |
321 | * | |
322 | * Returns: size of formatted string. | |
323 | **/ | |
dea3101e | 324 | static ssize_t |
bbd1ae41 HR |
325 | lpfc_link_state_show(struct device *dev, struct device_attribute *attr, |
326 | char *buf) | |
dea3101e | 327 | { |
ee959b00 | 328 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
329 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
330 | struct lpfc_hba *phba = vport->phba; | |
331 | int len = 0; | |
332 | ||
333 | switch (phba->link_state) { | |
334 | case LPFC_LINK_UNKNOWN: | |
41415862 | 335 | case LPFC_WARM_START: |
dea3101e JB |
336 | case LPFC_INIT_START: |
337 | case LPFC_INIT_MBX_CMDS: | |
338 | case LPFC_LINK_DOWN: | |
2e0fef85 | 339 | case LPFC_HBA_ERROR: |
dea3101e JB |
340 | len += snprintf(buf + len, PAGE_SIZE-len, "Link Down\n"); |
341 | break; | |
342 | case LPFC_LINK_UP: | |
dea3101e | 343 | case LPFC_CLEAR_LA: |
dea3101e | 344 | case LPFC_HBA_READY: |
a8adb832 | 345 | len += snprintf(buf + len, PAGE_SIZE-len, "Link Up - "); |
2e0fef85 JS |
346 | |
347 | switch (vport->port_state) { | |
2e0fef85 JS |
348 | case LPFC_LOCAL_CFG_LINK: |
349 | len += snprintf(buf + len, PAGE_SIZE-len, | |
92d7f7b0 | 350 | "Configuring Link\n"); |
2e0fef85 | 351 | break; |
92d7f7b0 | 352 | case LPFC_FDISC: |
2e0fef85 JS |
353 | case LPFC_FLOGI: |
354 | case LPFC_FABRIC_CFG_LINK: | |
355 | case LPFC_NS_REG: | |
356 | case LPFC_NS_QRY: | |
357 | case LPFC_BUILD_DISC_LIST: | |
358 | case LPFC_DISC_AUTH: | |
359 | len += snprintf(buf + len, PAGE_SIZE - len, | |
360 | "Discovery\n"); | |
361 | break; | |
362 | case LPFC_VPORT_READY: | |
363 | len += snprintf(buf + len, PAGE_SIZE - len, "Ready\n"); | |
364 | break; | |
365 | ||
92d7f7b0 JS |
366 | case LPFC_VPORT_FAILED: |
367 | len += snprintf(buf + len, PAGE_SIZE - len, "Failed\n"); | |
368 | break; | |
369 | ||
370 | case LPFC_VPORT_UNKNOWN: | |
2e0fef85 JS |
371 | len += snprintf(buf + len, PAGE_SIZE - len, |
372 | "Unknown\n"); | |
373 | break; | |
374 | } | |
84774a4d JS |
375 | if (phba->sli.sli_flag & LPFC_MENLO_MAINT) |
376 | len += snprintf(buf + len, PAGE_SIZE-len, | |
377 | " Menlo Maint Mode\n"); | |
378 | else if (phba->fc_topology == TOPOLOGY_LOOP) { | |
2e0fef85 | 379 | if (vport->fc_flag & FC_PUBLIC_LOOP) |
dea3101e JB |
380 | len += snprintf(buf + len, PAGE_SIZE-len, |
381 | " Public Loop\n"); | |
382 | else | |
383 | len += snprintf(buf + len, PAGE_SIZE-len, | |
384 | " Private Loop\n"); | |
385 | } else { | |
2e0fef85 | 386 | if (vport->fc_flag & FC_FABRIC) |
dea3101e JB |
387 | len += snprintf(buf + len, PAGE_SIZE-len, |
388 | " Fabric\n"); | |
389 | else | |
390 | len += snprintf(buf + len, PAGE_SIZE-len, | |
391 | " Point-2-Point\n"); | |
392 | } | |
393 | } | |
2e0fef85 | 394 | |
dea3101e JB |
395 | return len; |
396 | } | |
397 | ||
e59058c4 JS |
398 | /** |
399 | * lpfc_num_discovered_ports_show: Return sum of mapped and unmapped vports. | |
400 | * @dev: class device that is converted into a Scsi_host. | |
401 | * @attr: device attribute, not used. | |
402 | * @buf: on return contains the sum of fc mapped and unmapped. | |
403 | * | |
404 | * Description: | |
405 | * Returns the ascii text number of the sum of the fc mapped and unmapped | |
406 | * vport counts. | |
407 | * | |
408 | * Returns: size of formatted string. | |
409 | **/ | |
dea3101e | 410 | static ssize_t |
ee959b00 TJ |
411 | lpfc_num_discovered_ports_show(struct device *dev, |
412 | struct device_attribute *attr, char *buf) | |
dea3101e | 413 | { |
ee959b00 | 414 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
415 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
416 | ||
417 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
418 | vport->fc_map_cnt + vport->fc_unmap_cnt); | |
dea3101e JB |
419 | } |
420 | ||
e59058c4 JS |
421 | /** |
422 | * lpfc_issue_lip: Misnomer, name carried over from long ago. | |
423 | * @shost: Scsi_Host pointer. | |
424 | * | |
425 | * Description: | |
426 | * Bring the link down gracefully then re-init the link. The firmware will | |
427 | * re-init the fiber channel interface as required. Does not issue a LIP. | |
428 | * | |
429 | * Returns: | |
430 | * -EPERM port offline or management commands are being blocked | |
431 | * -ENOMEM cannot allocate memory for the mailbox command | |
432 | * -EIO error sending the mailbox command | |
433 | * zero for success | |
434 | **/ | |
91ca7b01 | 435 | static int |
2e0fef85 | 436 | lpfc_issue_lip(struct Scsi_Host *shost) |
dea3101e | 437 | { |
2e0fef85 JS |
438 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
439 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
440 | LPFC_MBOXQ_t *pmboxq; |
441 | int mbxstatus = MBXERR_ERROR; | |
442 | ||
2e0fef85 | 443 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
83108bd3 | 444 | (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)) |
dea3101e JB |
445 | return -EPERM; |
446 | ||
447 | pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL); | |
448 | ||
449 | if (!pmboxq) | |
450 | return -ENOMEM; | |
451 | ||
452 | memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t)); | |
4db621e0 JS |
453 | pmboxq->mb.mbxCommand = MBX_DOWN_LINK; |
454 | pmboxq->mb.mbxOwner = OWN_HOST; | |
455 | ||
33ccf8d1 | 456 | mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO * 2); |
dea3101e | 457 | |
4db621e0 JS |
458 | if ((mbxstatus == MBX_SUCCESS) && (pmboxq->mb.mbxStatus == 0)) { |
459 | memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t)); | |
460 | lpfc_init_link(phba, pmboxq, phba->cfg_topology, | |
461 | phba->cfg_link_speed); | |
462 | mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, | |
463 | phba->fc_ratov * 2); | |
464 | } | |
465 | ||
5b8bd0c9 | 466 | lpfc_set_loopback_flag(phba); |
858c9f6c | 467 | if (mbxstatus != MBX_TIMEOUT) |
433c3579 | 468 | mempool_free(pmboxq, phba->mbox_mem_pool); |
dea3101e JB |
469 | |
470 | if (mbxstatus == MBXERR_ERROR) | |
471 | return -EIO; | |
472 | ||
91ca7b01 | 473 | return 0; |
dea3101e JB |
474 | } |
475 | ||
e59058c4 JS |
476 | /** |
477 | * lpfc_do_offline: Issues a mailbox command to bring the link down. | |
478 | * @phba: lpfc_hba pointer. | |
479 | * @type: LPFC_EVT_OFFLINE, LPFC_EVT_WARM_START, LPFC_EVT_KILL. | |
480 | * | |
481 | * Notes: | |
482 | * Assumes any error from lpfc_do_offline() will be negative. | |
483 | * Can wait up to 5 seconds for the port ring buffers count | |
484 | * to reach zero, prints a warning if it is not zero and continues. | |
485 | * lpfc_workq_post_event() returns a non-zero return coce if call fails. | |
486 | * | |
487 | * Returns: | |
488 | * -EIO error posting the event | |
489 | * zero for success | |
490 | **/ | |
40496f07 | 491 | static int |
46fa311e | 492 | lpfc_do_offline(struct lpfc_hba *phba, uint32_t type) |
40496f07 JS |
493 | { |
494 | struct completion online_compl; | |
46fa311e JS |
495 | struct lpfc_sli_ring *pring; |
496 | struct lpfc_sli *psli; | |
40496f07 | 497 | int status = 0; |
46fa311e JS |
498 | int cnt = 0; |
499 | int i; | |
40496f07 JS |
500 | |
501 | init_completion(&online_compl); | |
502 | lpfc_workq_post_event(phba, &status, &online_compl, | |
46fa311e JS |
503 | LPFC_EVT_OFFLINE_PREP); |
504 | wait_for_completion(&online_compl); | |
505 | ||
506 | if (status != 0) | |
507 | return -EIO; | |
508 | ||
509 | psli = &phba->sli; | |
510 | ||
09372820 JS |
511 | /* Wait a little for things to settle down, but not |
512 | * long enough for dev loss timeout to expire. | |
513 | */ | |
46fa311e JS |
514 | for (i = 0; i < psli->num_rings; i++) { |
515 | pring = &psli->ring[i]; | |
46fa311e JS |
516 | while (pring->txcmplq_cnt) { |
517 | msleep(10); | |
09372820 | 518 | if (cnt++ > 500) { /* 5 secs */ |
46fa311e JS |
519 | lpfc_printf_log(phba, |
520 | KERN_WARNING, LOG_INIT, | |
e8b62011 JS |
521 | "0466 Outstanding IO when " |
522 | "bringing Adapter offline\n"); | |
46fa311e JS |
523 | break; |
524 | } | |
525 | } | |
526 | } | |
527 | ||
528 | init_completion(&online_compl); | |
529 | lpfc_workq_post_event(phba, &status, &online_compl, type); | |
40496f07 JS |
530 | wait_for_completion(&online_compl); |
531 | ||
532 | if (status != 0) | |
533 | return -EIO; | |
534 | ||
46fa311e JS |
535 | return 0; |
536 | } | |
537 | ||
e59058c4 JS |
538 | /** |
539 | * lpfc_selective_reset: Offline then onlines the port. | |
540 | * @phba: lpfc_hba pointer. | |
541 | * | |
542 | * Description: | |
543 | * If the port is configured to allow a reset then the hba is brought | |
544 | * offline then online. | |
545 | * | |
546 | * Notes: | |
547 | * Assumes any error from lpfc_do_offline() will be negative. | |
548 | * | |
549 | * Returns: | |
550 | * lpfc_do_offline() return code if not zero | |
551 | * -EIO reset not configured or error posting the event | |
552 | * zero for success | |
553 | **/ | |
46fa311e JS |
554 | static int |
555 | lpfc_selective_reset(struct lpfc_hba *phba) | |
556 | { | |
557 | struct completion online_compl; | |
558 | int status = 0; | |
559 | ||
13815c83 JS |
560 | if (!phba->cfg_enable_hba_reset) |
561 | return -EIO; | |
562 | ||
46fa311e JS |
563 | status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); |
564 | ||
565 | if (status != 0) | |
566 | return status; | |
567 | ||
40496f07 JS |
568 | init_completion(&online_compl); |
569 | lpfc_workq_post_event(phba, &status, &online_compl, | |
570 | LPFC_EVT_ONLINE); | |
571 | wait_for_completion(&online_compl); | |
572 | ||
573 | if (status != 0) | |
574 | return -EIO; | |
575 | ||
576 | return 0; | |
577 | } | |
578 | ||
e59058c4 JS |
579 | /** |
580 | * lpfc_issue_reset: Selectively resets an adapter. | |
581 | * @dev: class device that is converted into a Scsi_host. | |
582 | * @attr: device attribute, not used. | |
583 | * @buf: containing the string "selective". | |
584 | * @count: unused variable. | |
585 | * | |
586 | * Description: | |
587 | * If the buf contains the string "selective" then lpfc_selective_reset() | |
588 | * is called to perform the reset. | |
589 | * | |
590 | * Notes: | |
591 | * Assumes any error from lpfc_selective_reset() will be negative. | |
592 | * If lpfc_selective_reset() returns zero then the length of the buffer | |
593 | * is returned which indicates succcess | |
594 | * | |
595 | * Returns: | |
596 | * -EINVAL if the buffer does not contain the string "selective" | |
597 | * length of buf if lpfc-selective_reset() if the call succeeds | |
598 | * return value of lpfc_selective_reset() if the call fails | |
599 | **/ | |
40496f07 | 600 | static ssize_t |
ee959b00 TJ |
601 | lpfc_issue_reset(struct device *dev, struct device_attribute *attr, |
602 | const char *buf, size_t count) | |
40496f07 | 603 | { |
ee959b00 | 604 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
605 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
606 | struct lpfc_hba *phba = vport->phba; | |
607 | ||
40496f07 JS |
608 | int status = -EINVAL; |
609 | ||
610 | if (strncmp(buf, "selective", sizeof("selective") - 1) == 0) | |
611 | status = lpfc_selective_reset(phba); | |
612 | ||
613 | if (status == 0) | |
614 | return strlen(buf); | |
615 | else | |
616 | return status; | |
617 | } | |
618 | ||
e59058c4 JS |
619 | /** |
620 | * lpfc_nport_evt_cnt_show: Return the number of nport events. | |
621 | * @dev: class device that is converted into a Scsi_host. | |
622 | * @attr: device attribute, not used. | |
623 | * @buf: on return contains the ascii number of nport events. | |
624 | * | |
625 | * Returns: size of formatted string. | |
626 | **/ | |
dea3101e | 627 | static ssize_t |
ee959b00 TJ |
628 | lpfc_nport_evt_cnt_show(struct device *dev, struct device_attribute *attr, |
629 | char *buf) | |
dea3101e | 630 | { |
ee959b00 | 631 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
632 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
633 | struct lpfc_hba *phba = vport->phba; | |
634 | ||
dea3101e JB |
635 | return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt); |
636 | } | |
637 | ||
e59058c4 JS |
638 | /** |
639 | * lpfc_board_mode_show: Return the state of the board. | |
640 | * @dev: class device that is converted into a Scsi_host. | |
641 | * @attr: device attribute, not used. | |
642 | * @buf: on return contains the state of the adapter. | |
643 | * | |
644 | * Returns: size of formatted string. | |
645 | **/ | |
41415862 | 646 | static ssize_t |
ee959b00 TJ |
647 | lpfc_board_mode_show(struct device *dev, struct device_attribute *attr, |
648 | char *buf) | |
41415862 | 649 | { |
ee959b00 | 650 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
651 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
652 | struct lpfc_hba *phba = vport->phba; | |
41415862 JW |
653 | char * state; |
654 | ||
2e0fef85 | 655 | if (phba->link_state == LPFC_HBA_ERROR) |
41415862 | 656 | state = "error"; |
2e0fef85 | 657 | else if (phba->link_state == LPFC_WARM_START) |
41415862 | 658 | state = "warm start"; |
2e0fef85 | 659 | else if (phba->link_state == LPFC_INIT_START) |
41415862 JW |
660 | state = "offline"; |
661 | else | |
662 | state = "online"; | |
663 | ||
664 | return snprintf(buf, PAGE_SIZE, "%s\n", state); | |
665 | } | |
666 | ||
e59058c4 JS |
667 | /** |
668 | * lpfc_board_mode_store: Puts the hba in online, offline, warm or error state. | |
669 | * @dev: class device that is converted into a Scsi_host. | |
670 | * @attr: device attribute, not used. | |
671 | * @buf: containing one of the strings "online", "offline", "warm" or "error". | |
672 | * @count: unused variable. | |
673 | * | |
674 | * Returns: | |
675 | * -EACCES if enable hba reset not enabled | |
676 | * -EINVAL if the buffer does not contain a valid string (see above) | |
677 | * -EIO if lpfc_workq_post_event() or lpfc_do_offline() fails | |
678 | * buf length greater than zero indicates success | |
679 | **/ | |
41415862 | 680 | static ssize_t |
ee959b00 TJ |
681 | lpfc_board_mode_store(struct device *dev, struct device_attribute *attr, |
682 | const char *buf, size_t count) | |
41415862 | 683 | { |
ee959b00 | 684 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
685 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
686 | struct lpfc_hba *phba = vport->phba; | |
41415862 JW |
687 | struct completion online_compl; |
688 | int status=0; | |
689 | ||
13815c83 JS |
690 | if (!phba->cfg_enable_hba_reset) |
691 | return -EACCES; | |
41415862 JW |
692 | init_completion(&online_compl); |
693 | ||
46fa311e | 694 | if(strncmp(buf, "online", sizeof("online") - 1) == 0) { |
41415862 JW |
695 | lpfc_workq_post_event(phba, &status, &online_compl, |
696 | LPFC_EVT_ONLINE); | |
46fa311e JS |
697 | wait_for_completion(&online_compl); |
698 | } else if (strncmp(buf, "offline", sizeof("offline") - 1) == 0) | |
699 | status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); | |
41415862 | 700 | else if (strncmp(buf, "warm", sizeof("warm") - 1) == 0) |
46fa311e JS |
701 | status = lpfc_do_offline(phba, LPFC_EVT_WARM_START); |
702 | else if (strncmp(buf, "error", sizeof("error") - 1) == 0) | |
703 | status = lpfc_do_offline(phba, LPFC_EVT_KILL); | |
41415862 JW |
704 | else |
705 | return -EINVAL; | |
706 | ||
41415862 JW |
707 | if (!status) |
708 | return strlen(buf); | |
709 | else | |
710 | return -EIO; | |
711 | } | |
712 | ||
e59058c4 JS |
713 | /** |
714 | * lpfc_get_hba_info: Return various bits of informaton about the adapter. | |
715 | * @phba: pointer to the adapter structure. | |
716 | * @mxri max xri count. | |
717 | * @axri available xri count. | |
718 | * @mrpi max rpi count. | |
719 | * @arpi available rpi count. | |
720 | * @mvpi max vpi count. | |
721 | * @avpi available vpi count. | |
722 | * | |
723 | * Description: | |
724 | * If an integer pointer for an count is not null then the value for the | |
725 | * count is returned. | |
726 | * | |
727 | * Returns: | |
728 | * zero on error | |
729 | * one for success | |
730 | **/ | |
311464ec | 731 | static int |
858c9f6c JS |
732 | lpfc_get_hba_info(struct lpfc_hba *phba, |
733 | uint32_t *mxri, uint32_t *axri, | |
734 | uint32_t *mrpi, uint32_t *arpi, | |
735 | uint32_t *mvpi, uint32_t *avpi) | |
92d7f7b0 JS |
736 | { |
737 | struct lpfc_sli *psli = &phba->sli; | |
738 | LPFC_MBOXQ_t *pmboxq; | |
739 | MAILBOX_t *pmb; | |
740 | int rc = 0; | |
741 | ||
742 | /* | |
743 | * prevent udev from issuing mailbox commands until the port is | |
744 | * configured. | |
745 | */ | |
746 | if (phba->link_state < LPFC_LINK_DOWN || | |
747 | !phba->mbox_mem_pool || | |
748 | (phba->sli.sli_flag & LPFC_SLI2_ACTIVE) == 0) | |
749 | return 0; | |
750 | ||
751 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) | |
752 | return 0; | |
753 | ||
754 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
755 | if (!pmboxq) | |
756 | return 0; | |
757 | memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); | |
758 | ||
759 | pmb = &pmboxq->mb; | |
760 | pmb->mbxCommand = MBX_READ_CONFIG; | |
761 | pmb->mbxOwner = OWN_HOST; | |
762 | pmboxq->context1 = NULL; | |
763 | ||
764 | if ((phba->pport->fc_flag & FC_OFFLINE_MODE) || | |
765 | (!(psli->sli_flag & LPFC_SLI2_ACTIVE))) | |
766 | rc = MBX_NOT_FINISHED; | |
767 | else | |
768 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); | |
769 | ||
770 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 771 | if (rc != MBX_TIMEOUT) |
92d7f7b0 JS |
772 | mempool_free(pmboxq, phba->mbox_mem_pool); |
773 | return 0; | |
774 | } | |
775 | ||
776 | if (mrpi) | |
777 | *mrpi = pmb->un.varRdConfig.max_rpi; | |
778 | if (arpi) | |
779 | *arpi = pmb->un.varRdConfig.avail_rpi; | |
780 | if (mxri) | |
781 | *mxri = pmb->un.varRdConfig.max_xri; | |
782 | if (axri) | |
783 | *axri = pmb->un.varRdConfig.avail_xri; | |
858c9f6c JS |
784 | if (mvpi) |
785 | *mvpi = pmb->un.varRdConfig.max_vpi; | |
786 | if (avpi) | |
787 | *avpi = pmb->un.varRdConfig.avail_vpi; | |
92d7f7b0 JS |
788 | |
789 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
790 | return 1; | |
791 | } | |
792 | ||
e59058c4 JS |
793 | /** |
794 | * lpfc_max_rpi_show: Return maximum rpi. | |
795 | * @dev: class device that is converted into a Scsi_host. | |
796 | * @attr: device attribute, not used. | |
797 | * @buf: on return contains the maximum rpi count in decimal or "Unknown". | |
798 | * | |
799 | * Description: | |
800 | * Calls lpfc_get_hba_info() asking for just the mrpi count. | |
801 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
802 | * to "Unknown" and the buffer length is returned, therefore the caller | |
803 | * must check for "Unknown" in the buffer to detect a failure. | |
804 | * | |
805 | * Returns: size of formatted string. | |
806 | **/ | |
92d7f7b0 | 807 | static ssize_t |
ee959b00 TJ |
808 | lpfc_max_rpi_show(struct device *dev, struct device_attribute *attr, |
809 | char *buf) | |
92d7f7b0 | 810 | { |
ee959b00 | 811 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
812 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
813 | struct lpfc_hba *phba = vport->phba; | |
814 | uint32_t cnt; | |
815 | ||
858c9f6c | 816 | if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, NULL, NULL, NULL)) |
92d7f7b0 JS |
817 | return snprintf(buf, PAGE_SIZE, "%d\n", cnt); |
818 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
819 | } | |
820 | ||
e59058c4 JS |
821 | /** |
822 | * lpfc_used_rpi_show: Return maximum rpi minus available rpi. | |
823 | * @dev: class device that is converted into a Scsi_host. | |
824 | * @attr: device attribute, not used. | |
825 | * @buf: containing the used rpi count in decimal or "Unknown". | |
826 | * | |
827 | * Description: | |
828 | * Calls lpfc_get_hba_info() asking for just the mrpi and arpi counts. | |
829 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
830 | * to "Unknown" and the buffer length is returned, therefore the caller | |
831 | * must check for "Unknown" in the buffer to detect a failure. | |
832 | * | |
833 | * Returns: size of formatted string. | |
834 | **/ | |
92d7f7b0 | 835 | static ssize_t |
ee959b00 TJ |
836 | lpfc_used_rpi_show(struct device *dev, struct device_attribute *attr, |
837 | char *buf) | |
92d7f7b0 | 838 | { |
ee959b00 | 839 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
840 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
841 | struct lpfc_hba *phba = vport->phba; | |
842 | uint32_t cnt, acnt; | |
843 | ||
858c9f6c | 844 | if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, &acnt, NULL, NULL)) |
92d7f7b0 JS |
845 | return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt)); |
846 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
847 | } | |
848 | ||
e59058c4 JS |
849 | /** |
850 | * lpfc_max_xri_show: Return maximum xri. | |
851 | * @dev: class device that is converted into a Scsi_host. | |
852 | * @attr: device attribute, not used. | |
853 | * @buf: on return contains the maximum xri count in decimal or "Unknown". | |
854 | * | |
855 | * Description: | |
856 | * Calls lpfc_get_hba_info() asking for just the mrpi count. | |
857 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
858 | * to "Unknown" and the buffer length is returned, therefore the caller | |
859 | * must check for "Unknown" in the buffer to detect a failure. | |
860 | * | |
861 | * Returns: size of formatted string. | |
862 | **/ | |
92d7f7b0 | 863 | static ssize_t |
ee959b00 TJ |
864 | lpfc_max_xri_show(struct device *dev, struct device_attribute *attr, |
865 | char *buf) | |
92d7f7b0 | 866 | { |
ee959b00 | 867 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
868 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
869 | struct lpfc_hba *phba = vport->phba; | |
870 | uint32_t cnt; | |
871 | ||
858c9f6c | 872 | if (lpfc_get_hba_info(phba, &cnt, NULL, NULL, NULL, NULL, NULL)) |
92d7f7b0 JS |
873 | return snprintf(buf, PAGE_SIZE, "%d\n", cnt); |
874 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
875 | } | |
876 | ||
e59058c4 JS |
877 | /** |
878 | * lpfc_used_xri_show: Return maximum xpi minus the available xpi. | |
879 | * @dev: class device that is converted into a Scsi_host. | |
880 | * @attr: device attribute, not used. | |
881 | * @buf: on return contains the used xri count in decimal or "Unknown". | |
882 | * | |
883 | * Description: | |
884 | * Calls lpfc_get_hba_info() asking for just the mxri and axri counts. | |
885 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
886 | * to "Unknown" and the buffer length is returned, therefore the caller | |
887 | * must check for "Unknown" in the buffer to detect a failure. | |
888 | * | |
889 | * Returns: size of formatted string. | |
890 | **/ | |
92d7f7b0 | 891 | static ssize_t |
ee959b00 TJ |
892 | lpfc_used_xri_show(struct device *dev, struct device_attribute *attr, |
893 | char *buf) | |
92d7f7b0 | 894 | { |
ee959b00 | 895 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
896 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
897 | struct lpfc_hba *phba = vport->phba; | |
898 | uint32_t cnt, acnt; | |
899 | ||
858c9f6c JS |
900 | if (lpfc_get_hba_info(phba, &cnt, &acnt, NULL, NULL, NULL, NULL)) |
901 | return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt)); | |
902 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
903 | } | |
904 | ||
e59058c4 JS |
905 | /** |
906 | * lpfc_max_vpi_show: Return maximum vpi. | |
907 | * @dev: class device that is converted into a Scsi_host. | |
908 | * @attr: device attribute, not used. | |
909 | * @buf: on return contains the maximum vpi count in decimal or "Unknown". | |
910 | * | |
911 | * Description: | |
912 | * Calls lpfc_get_hba_info() asking for just the mvpi count. | |
913 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
914 | * to "Unknown" and the buffer length is returned, therefore the caller | |
915 | * must check for "Unknown" in the buffer to detect a failure. | |
916 | * | |
917 | * Returns: size of formatted string. | |
918 | **/ | |
858c9f6c | 919 | static ssize_t |
ee959b00 TJ |
920 | lpfc_max_vpi_show(struct device *dev, struct device_attribute *attr, |
921 | char *buf) | |
858c9f6c | 922 | { |
ee959b00 | 923 | struct Scsi_Host *shost = class_to_shost(dev); |
858c9f6c JS |
924 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
925 | struct lpfc_hba *phba = vport->phba; | |
926 | uint32_t cnt; | |
927 | ||
928 | if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, NULL)) | |
929 | return snprintf(buf, PAGE_SIZE, "%d\n", cnt); | |
930 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
931 | } | |
932 | ||
e59058c4 JS |
933 | /** |
934 | * lpfc_used_vpi_show: Return maximum vpi minus the available vpi. | |
935 | * @dev: class device that is converted into a Scsi_host. | |
936 | * @attr: device attribute, not used. | |
937 | * @buf: on return contains the used vpi count in decimal or "Unknown". | |
938 | * | |
939 | * Description: | |
940 | * Calls lpfc_get_hba_info() asking for just the mvpi and avpi counts. | |
941 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
942 | * to "Unknown" and the buffer length is returned, therefore the caller | |
943 | * must check for "Unknown" in the buffer to detect a failure. | |
944 | * | |
945 | * Returns: size of formatted string. | |
946 | **/ | |
858c9f6c | 947 | static ssize_t |
ee959b00 TJ |
948 | lpfc_used_vpi_show(struct device *dev, struct device_attribute *attr, |
949 | char *buf) | |
858c9f6c | 950 | { |
ee959b00 | 951 | struct Scsi_Host *shost = class_to_shost(dev); |
858c9f6c JS |
952 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
953 | struct lpfc_hba *phba = vport->phba; | |
954 | uint32_t cnt, acnt; | |
955 | ||
956 | if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, &acnt)) | |
92d7f7b0 JS |
957 | return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt)); |
958 | return snprintf(buf, PAGE_SIZE, "Unknown\n"); | |
959 | } | |
960 | ||
e59058c4 JS |
961 | /** |
962 | * lpfc_npiv_info_show: Return text about NPIV support for the adapter. | |
963 | * @dev: class device that is converted into a Scsi_host. | |
964 | * @attr: device attribute, not used. | |
965 | * @buf: text that must be interpreted to determine if npiv is supported. | |
966 | * | |
967 | * Description: | |
968 | * Buffer will contain text indicating npiv is not suppoerted on the port, | |
969 | * the port is an NPIV physical port, or it is an npiv virtual port with | |
970 | * the id of the vport. | |
971 | * | |
972 | * Returns: size of formatted string. | |
973 | **/ | |
92d7f7b0 | 974 | static ssize_t |
ee959b00 TJ |
975 | lpfc_npiv_info_show(struct device *dev, struct device_attribute *attr, |
976 | char *buf) | |
92d7f7b0 | 977 | { |
ee959b00 | 978 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
979 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
980 | struct lpfc_hba *phba = vport->phba; | |
981 | ||
982 | if (!(phba->max_vpi)) | |
983 | return snprintf(buf, PAGE_SIZE, "NPIV Not Supported\n"); | |
984 | if (vport->port_type == LPFC_PHYSICAL_PORT) | |
985 | return snprintf(buf, PAGE_SIZE, "NPIV Physical\n"); | |
986 | return snprintf(buf, PAGE_SIZE, "NPIV Virtual (VPI %d)\n", vport->vpi); | |
987 | } | |
988 | ||
e59058c4 JS |
989 | /** |
990 | * lpfc_poll_show: Return text about poll support for the adapter. | |
991 | * @dev: class device that is converted into a Scsi_host. | |
992 | * @attr: device attribute, not used. | |
993 | * @buf: on return contains the cfg_poll in hex. | |
994 | * | |
995 | * Notes: | |
996 | * cfg_poll should be a lpfc_polling_flags type. | |
997 | * | |
998 | * Returns: size of formatted string. | |
999 | **/ | |
875fbdfe | 1000 | static ssize_t |
ee959b00 TJ |
1001 | lpfc_poll_show(struct device *dev, struct device_attribute *attr, |
1002 | char *buf) | |
875fbdfe | 1003 | { |
ee959b00 | 1004 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1005 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1006 | struct lpfc_hba *phba = vport->phba; | |
875fbdfe JSEC |
1007 | |
1008 | return snprintf(buf, PAGE_SIZE, "%#x\n", phba->cfg_poll); | |
1009 | } | |
1010 | ||
e59058c4 JS |
1011 | /** |
1012 | * lpfc_poll_store: Set the value of cfg_poll for the adapter. | |
1013 | * @dev: class device that is converted into a Scsi_host. | |
1014 | * @attr: device attribute, not used. | |
1015 | * @buf: one or more lpfc_polling_flags values. | |
1016 | * @count: not used. | |
1017 | * | |
1018 | * Notes: | |
1019 | * buf contents converted to integer and checked for a valid value. | |
1020 | * | |
1021 | * Returns: | |
1022 | * -EINVAL if the buffer connot be converted or is out of range | |
1023 | * length of the buf on success | |
1024 | **/ | |
875fbdfe | 1025 | static ssize_t |
ee959b00 TJ |
1026 | lpfc_poll_store(struct device *dev, struct device_attribute *attr, |
1027 | const char *buf, size_t count) | |
875fbdfe | 1028 | { |
ee959b00 | 1029 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1030 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1031 | struct lpfc_hba *phba = vport->phba; | |
875fbdfe JSEC |
1032 | uint32_t creg_val; |
1033 | uint32_t old_val; | |
1034 | int val=0; | |
1035 | ||
1036 | if (!isdigit(buf[0])) | |
1037 | return -EINVAL; | |
1038 | ||
1039 | if (sscanf(buf, "%i", &val) != 1) | |
1040 | return -EINVAL; | |
1041 | ||
1042 | if ((val & 0x3) != val) | |
1043 | return -EINVAL; | |
1044 | ||
2e0fef85 | 1045 | spin_lock_irq(&phba->hbalock); |
875fbdfe JSEC |
1046 | |
1047 | old_val = phba->cfg_poll; | |
1048 | ||
1049 | if (val & ENABLE_FCP_RING_POLLING) { | |
1050 | if ((val & DISABLE_FCP_RING_INT) && | |
1051 | !(old_val & DISABLE_FCP_RING_INT)) { | |
1052 | creg_val = readl(phba->HCregaddr); | |
1053 | creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING); | |
1054 | writel(creg_val, phba->HCregaddr); | |
1055 | readl(phba->HCregaddr); /* flush */ | |
1056 | ||
1057 | lpfc_poll_start_timer(phba); | |
1058 | } | |
1059 | } else if (val != 0x0) { | |
2e0fef85 | 1060 | spin_unlock_irq(&phba->hbalock); |
875fbdfe JSEC |
1061 | return -EINVAL; |
1062 | } | |
1063 | ||
1064 | if (!(val & DISABLE_FCP_RING_INT) && | |
1065 | (old_val & DISABLE_FCP_RING_INT)) | |
1066 | { | |
2e0fef85 | 1067 | spin_unlock_irq(&phba->hbalock); |
875fbdfe | 1068 | del_timer(&phba->fcp_poll_timer); |
2e0fef85 | 1069 | spin_lock_irq(&phba->hbalock); |
875fbdfe JSEC |
1070 | creg_val = readl(phba->HCregaddr); |
1071 | creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING); | |
1072 | writel(creg_val, phba->HCregaddr); | |
1073 | readl(phba->HCregaddr); /* flush */ | |
1074 | } | |
1075 | ||
1076 | phba->cfg_poll = val; | |
1077 | ||
2e0fef85 | 1078 | spin_unlock_irq(&phba->hbalock); |
875fbdfe JSEC |
1079 | |
1080 | return strlen(buf); | |
1081 | } | |
dea3101e | 1082 | |
e59058c4 JS |
1083 | /** |
1084 | * lpfc_param_show: Return a cfg attribute value in decimal. | |
1085 | * | |
1086 | * Description: | |
1087 | * Macro that given an attr e.g. hba_queue_depth expands | |
1088 | * into a function with the name lpfc_hba_queue_depth_show. | |
1089 | * | |
1090 | * lpfc_##attr##_show: Return the decimal value of an adapters cfg_xxx field. | |
1091 | * @dev: class device that is converted into a Scsi_host. | |
1092 | * @attr: device attribute, not used. | |
1093 | * @buf: on return contains the attribute value in decimal. | |
1094 | * | |
1095 | * Returns: size of formatted string. | |
1096 | **/ | |
dea3101e JB |
1097 | #define lpfc_param_show(attr) \ |
1098 | static ssize_t \ | |
ee959b00 TJ |
1099 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
1100 | char *buf) \ | |
dea3101e | 1101 | { \ |
ee959b00 | 1102 | struct Scsi_Host *shost = class_to_shost(dev);\ |
2e0fef85 JS |
1103 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
1104 | struct lpfc_hba *phba = vport->phba;\ | |
dea3101e | 1105 | int val = 0;\ |
7bcbb752 JSEC |
1106 | val = phba->cfg_##attr;\ |
1107 | return snprintf(buf, PAGE_SIZE, "%d\n",\ | |
1108 | phba->cfg_##attr);\ | |
1109 | } | |
1110 | ||
e59058c4 JS |
1111 | /** |
1112 | * lpfc_param_hex_show: Return a cfg attribute value in hex. | |
1113 | * | |
1114 | * Description: | |
1115 | * Macro that given an attr e.g. hba_queue_depth expands | |
1116 | * into a function with the name lpfc_hba_queue_depth_show | |
1117 | * | |
1118 | * lpfc_##attr##_show: Return the hex value of an adapters cfg_xxx field. | |
1119 | * @dev: class device that is converted into a Scsi_host. | |
1120 | * @attr: device attribute, not used. | |
1121 | * @buf: on return contains the attribute value in hexidecimal. | |
1122 | * | |
1123 | * Returns: size of formatted string. | |
1124 | **/ | |
93a20f74 JSEC |
1125 | #define lpfc_param_hex_show(attr) \ |
1126 | static ssize_t \ | |
ee959b00 TJ |
1127 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
1128 | char *buf) \ | |
93a20f74 | 1129 | { \ |
ee959b00 | 1130 | struct Scsi_Host *shost = class_to_shost(dev);\ |
2e0fef85 JS |
1131 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
1132 | struct lpfc_hba *phba = vport->phba;\ | |
93a20f74 JSEC |
1133 | int val = 0;\ |
1134 | val = phba->cfg_##attr;\ | |
1135 | return snprintf(buf, PAGE_SIZE, "%#x\n",\ | |
1136 | phba->cfg_##attr);\ | |
1137 | } | |
1138 | ||
e59058c4 JS |
1139 | /** |
1140 | * lpfc_param_init: Intializes a cfg attribute. | |
1141 | * | |
1142 | * Description: | |
1143 | * Macro that given an attr e.g. hba_queue_depth expands | |
1144 | * into a function with the name lpfc_hba_queue_depth_init. The macro also | |
1145 | * takes a default argument, a minimum and maximum argument. | |
1146 | * | |
1147 | * lpfc_##attr##_init: Initializes an attribute. | |
1148 | * @phba: pointer the the adapter structure. | |
1149 | * @val: integer attribute value. | |
1150 | * | |
1151 | * Validates the min and max values then sets the adapter config field | |
1152 | * accordingly, or uses the default if out of range and prints an error message. | |
1153 | * | |
1154 | * Returns: | |
1155 | * zero on success | |
1156 | * -EINVAL if default used | |
1157 | **/ | |
7bcbb752 JSEC |
1158 | #define lpfc_param_init(attr, default, minval, maxval) \ |
1159 | static int \ | |
1160 | lpfc_##attr##_init(struct lpfc_hba *phba, int val) \ | |
1161 | { \ | |
1162 | if (val >= minval && val <= maxval) {\ | |
1163 | phba->cfg_##attr = val;\ | |
1164 | return 0;\ | |
dea3101e | 1165 | }\ |
7bcbb752 | 1166 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \ |
e8b62011 JS |
1167 | "0449 lpfc_"#attr" attribute cannot be set to %d, "\ |
1168 | "allowed range is ["#minval", "#maxval"]\n", val); \ | |
7bcbb752 JSEC |
1169 | phba->cfg_##attr = default;\ |
1170 | return -EINVAL;\ | |
dea3101e JB |
1171 | } |
1172 | ||
e59058c4 JS |
1173 | /** |
1174 | * lpfc_param_set: Set a cfg attribute value. | |
1175 | * | |
1176 | * Description: | |
1177 | * Macro that given an attr e.g. hba_queue_depth expands | |
1178 | * into a function with the name lpfc_hba_queue_depth_set | |
1179 | * | |
1180 | * lpfc_##attr##_set: Sets an attribute value. | |
1181 | * @phba: pointer the the adapter structure. | |
1182 | * @val: integer attribute value. | |
1183 | * | |
1184 | * Description: | |
1185 | * Validates the min and max values then sets the | |
1186 | * adapter config field if in the valid range. prints error message | |
1187 | * and does not set the parameter if invalid. | |
1188 | * | |
1189 | * Returns: | |
1190 | * zero on success | |
1191 | * -EINVAL if val is invalid | |
1192 | **/ | |
7bcbb752 JSEC |
1193 | #define lpfc_param_set(attr, default, minval, maxval) \ |
1194 | static int \ | |
1195 | lpfc_##attr##_set(struct lpfc_hba *phba, int val) \ | |
1196 | { \ | |
1197 | if (val >= minval && val <= maxval) {\ | |
1198 | phba->cfg_##attr = val;\ | |
1199 | return 0;\ | |
1200 | }\ | |
1201 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \ | |
e8b62011 JS |
1202 | "0450 lpfc_"#attr" attribute cannot be set to %d, "\ |
1203 | "allowed range is ["#minval", "#maxval"]\n", val); \ | |
7bcbb752 JSEC |
1204 | return -EINVAL;\ |
1205 | } | |
1206 | ||
e59058c4 JS |
1207 | /** |
1208 | * lpfc_param_store: Set a vport attribute value. | |
1209 | * | |
1210 | * Description: | |
1211 | * Macro that given an attr e.g. hba_queue_depth expands | |
1212 | * into a function with the name lpfc_hba_queue_depth_store. | |
1213 | * | |
1214 | * lpfc_##attr##_store: Set an sttribute value. | |
1215 | * @dev: class device that is converted into a Scsi_host. | |
1216 | * @attr: device attribute, not used. | |
1217 | * @buf: contains the attribute value in ascii. | |
1218 | * @count: not used. | |
1219 | * | |
1220 | * Description: | |
1221 | * Convert the ascii text number to an integer, then | |
1222 | * use the lpfc_##attr##_set function to set the value. | |
1223 | * | |
1224 | * Returns: | |
1225 | * -EINVAL if val is invalid or lpfc_##attr##_set() fails | |
1226 | * length of buffer upon success. | |
1227 | **/ | |
7bcbb752 | 1228 | #define lpfc_param_store(attr) \ |
dea3101e | 1229 | static ssize_t \ |
ee959b00 TJ |
1230 | lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \ |
1231 | const char *buf, size_t count) \ | |
dea3101e | 1232 | { \ |
ee959b00 | 1233 | struct Scsi_Host *shost = class_to_shost(dev);\ |
2e0fef85 JS |
1234 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
1235 | struct lpfc_hba *phba = vport->phba;\ | |
7bcbb752 | 1236 | int val=0;\ |
93a20f74 JSEC |
1237 | if (!isdigit(buf[0]))\ |
1238 | return -EINVAL;\ | |
1239 | if (sscanf(buf, "%i", &val) != 1)\ | |
1240 | return -EINVAL;\ | |
7bcbb752 | 1241 | if (lpfc_##attr##_set(phba, val) == 0) \ |
755c0d06 | 1242 | return strlen(buf);\ |
7bcbb752 JSEC |
1243 | else \ |
1244 | return -EINVAL;\ | |
dea3101e JB |
1245 | } |
1246 | ||
e59058c4 JS |
1247 | /** |
1248 | * lpfc_vport_param_show: Return decimal formatted cfg attribute value. | |
1249 | * | |
1250 | * Description: | |
1251 | * Macro that given an attr e.g. hba_queue_depth expands | |
1252 | * into a function with the name lpfc_hba_queue_depth_show | |
1253 | * | |
1254 | * lpfc_##attr##_show: prints the attribute value in decimal. | |
1255 | * @dev: class device that is converted into a Scsi_host. | |
1256 | * @attr: device attribute, not used. | |
1257 | * @buf: on return contains the attribute value in decimal. | |
1258 | * | |
1259 | * Returns: length of formatted string. | |
1260 | **/ | |
3de2a653 JS |
1261 | #define lpfc_vport_param_show(attr) \ |
1262 | static ssize_t \ | |
ee959b00 TJ |
1263 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
1264 | char *buf) \ | |
3de2a653 | 1265 | { \ |
ee959b00 | 1266 | struct Scsi_Host *shost = class_to_shost(dev);\ |
3de2a653 JS |
1267 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
1268 | int val = 0;\ | |
1269 | val = vport->cfg_##attr;\ | |
1270 | return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_##attr);\ | |
1271 | } | |
1272 | ||
e59058c4 JS |
1273 | /** |
1274 | * lpfc_vport_param_hex_show: Return hex formatted attribute value. | |
1275 | * | |
1276 | * Description: | |
1277 | * Macro that given an attr e.g. | |
1278 | * hba_queue_depth expands into a function with the name | |
1279 | * lpfc_hba_queue_depth_show | |
1280 | * | |
1281 | * lpfc_##attr##_show: prints the attribute value in hexidecimal. | |
1282 | * @dev: class device that is converted into a Scsi_host. | |
1283 | * @attr: device attribute, not used. | |
1284 | * @buf: on return contains the attribute value in hexidecimal. | |
1285 | * | |
1286 | * Returns: length of formatted string. | |
1287 | **/ | |
3de2a653 JS |
1288 | #define lpfc_vport_param_hex_show(attr) \ |
1289 | static ssize_t \ | |
ee959b00 TJ |
1290 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
1291 | char *buf) \ | |
3de2a653 | 1292 | { \ |
ee959b00 | 1293 | struct Scsi_Host *shost = class_to_shost(dev);\ |
3de2a653 JS |
1294 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
1295 | int val = 0;\ | |
1296 | val = vport->cfg_##attr;\ | |
1297 | return snprintf(buf, PAGE_SIZE, "%#x\n", vport->cfg_##attr);\ | |
1298 | } | |
1299 | ||
e59058c4 JS |
1300 | /** |
1301 | * lpfc_vport_param_init: Initialize a vport cfg attribute. | |
1302 | * | |
1303 | * Description: | |
1304 | * Macro that given an attr e.g. hba_queue_depth expands | |
1305 | * into a function with the name lpfc_hba_queue_depth_init. The macro also | |
1306 | * takes a default argument, a minimum and maximum argument. | |
1307 | * | |
1308 | * lpfc_##attr##_init: validates the min and max values then sets the | |
1309 | * adapter config field accordingly, or uses the default if out of range | |
1310 | * and prints an error message. | |
1311 | * @phba: pointer the the adapter structure. | |
1312 | * @val: integer attribute value. | |
1313 | * | |
1314 | * Returns: | |
1315 | * zero on success | |
1316 | * -EINVAL if default used | |
1317 | **/ | |
3de2a653 JS |
1318 | #define lpfc_vport_param_init(attr, default, minval, maxval) \ |
1319 | static int \ | |
1320 | lpfc_##attr##_init(struct lpfc_vport *vport, int val) \ | |
1321 | { \ | |
1322 | if (val >= minval && val <= maxval) {\ | |
1323 | vport->cfg_##attr = val;\ | |
1324 | return 0;\ | |
1325 | }\ | |
e8b62011 | 1326 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \ |
d7c255b2 | 1327 | "0423 lpfc_"#attr" attribute cannot be set to %d, "\ |
e8b62011 | 1328 | "allowed range is ["#minval", "#maxval"]\n", val); \ |
3de2a653 JS |
1329 | vport->cfg_##attr = default;\ |
1330 | return -EINVAL;\ | |
1331 | } | |
1332 | ||
e59058c4 JS |
1333 | /** |
1334 | * lpfc_vport_param_set: Set a vport cfg attribute. | |
1335 | * | |
1336 | * Description: | |
1337 | * Macro that given an attr e.g. hba_queue_depth expands | |
1338 | * into a function with the name lpfc_hba_queue_depth_set | |
1339 | * | |
1340 | * lpfc_##attr##_set: validates the min and max values then sets the | |
1341 | * adapter config field if in the valid range. prints error message | |
1342 | * and does not set the parameter if invalid. | |
1343 | * @phba: pointer the the adapter structure. | |
1344 | * @val: integer attribute value. | |
1345 | * | |
1346 | * Returns: | |
1347 | * zero on success | |
1348 | * -EINVAL if val is invalid | |
1349 | **/ | |
3de2a653 JS |
1350 | #define lpfc_vport_param_set(attr, default, minval, maxval) \ |
1351 | static int \ | |
1352 | lpfc_##attr##_set(struct lpfc_vport *vport, int val) \ | |
1353 | { \ | |
1354 | if (val >= minval && val <= maxval) {\ | |
1355 | vport->cfg_##attr = val;\ | |
1356 | return 0;\ | |
1357 | }\ | |
e8b62011 | 1358 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \ |
d7c255b2 | 1359 | "0424 lpfc_"#attr" attribute cannot be set to %d, "\ |
e8b62011 | 1360 | "allowed range is ["#minval", "#maxval"]\n", val); \ |
3de2a653 JS |
1361 | return -EINVAL;\ |
1362 | } | |
1363 | ||
e59058c4 JS |
1364 | /** |
1365 | * lpfc_vport_param_store: Set a vport attribute. | |
1366 | * | |
1367 | * Description: | |
1368 | * Macro that given an attr e.g. hba_queue_depth | |
1369 | * expands into a function with the name lpfc_hba_queue_depth_store | |
1370 | * | |
1371 | * lpfc_##attr##_store: convert the ascii text number to an integer, then | |
1372 | * use the lpfc_##attr##_set function to set the value. | |
1373 | * @cdev: class device that is converted into a Scsi_host. | |
1374 | * @buf: contains the attribute value in decimal. | |
1375 | * @count: not used. | |
1376 | * | |
1377 | * Returns: | |
1378 | * -EINVAL if val is invalid or lpfc_##attr##_set() fails | |
1379 | * length of buffer upon success. | |
1380 | **/ | |
3de2a653 JS |
1381 | #define lpfc_vport_param_store(attr) \ |
1382 | static ssize_t \ | |
ee959b00 TJ |
1383 | lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \ |
1384 | const char *buf, size_t count) \ | |
3de2a653 | 1385 | { \ |
ee959b00 | 1386 | struct Scsi_Host *shost = class_to_shost(dev);\ |
3de2a653 JS |
1387 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
1388 | int val=0;\ | |
1389 | if (!isdigit(buf[0]))\ | |
1390 | return -EINVAL;\ | |
1391 | if (sscanf(buf, "%i", &val) != 1)\ | |
1392 | return -EINVAL;\ | |
1393 | if (lpfc_##attr##_set(vport, val) == 0) \ | |
1394 | return strlen(buf);\ | |
1395 | else \ | |
1396 | return -EINVAL;\ | |
1397 | } | |
1398 | ||
1399 | ||
7bcbb752 JSEC |
1400 | #define LPFC_ATTR(name, defval, minval, maxval, desc) \ |
1401 | static int lpfc_##name = defval;\ | |
dea3101e JB |
1402 | module_param(lpfc_##name, int, 0);\ |
1403 | MODULE_PARM_DESC(lpfc_##name, desc);\ | |
7bcbb752 | 1404 | lpfc_param_init(name, defval, minval, maxval) |
dea3101e JB |
1405 | |
1406 | #define LPFC_ATTR_R(name, defval, minval, maxval, desc) \ | |
1407 | static int lpfc_##name = defval;\ | |
1408 | module_param(lpfc_##name, int, 0);\ | |
1409 | MODULE_PARM_DESC(lpfc_##name, desc);\ | |
1410 | lpfc_param_show(name)\ | |
7bcbb752 | 1411 | lpfc_param_init(name, defval, minval, maxval)\ |
ee959b00 | 1412 | static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
dea3101e JB |
1413 | |
1414 | #define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \ | |
1415 | static int lpfc_##name = defval;\ | |
1416 | module_param(lpfc_##name, int, 0);\ | |
1417 | MODULE_PARM_DESC(lpfc_##name, desc);\ | |
1418 | lpfc_param_show(name)\ | |
7bcbb752 JSEC |
1419 | lpfc_param_init(name, defval, minval, maxval)\ |
1420 | lpfc_param_set(name, defval, minval, maxval)\ | |
1421 | lpfc_param_store(name)\ | |
ee959b00 TJ |
1422 | static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
1423 | lpfc_##name##_show, lpfc_##name##_store) | |
dea3101e | 1424 | |
93a20f74 JSEC |
1425 | #define LPFC_ATTR_HEX_R(name, defval, minval, maxval, desc) \ |
1426 | static int lpfc_##name = defval;\ | |
1427 | module_param(lpfc_##name, int, 0);\ | |
1428 | MODULE_PARM_DESC(lpfc_##name, desc);\ | |
1429 | lpfc_param_hex_show(name)\ | |
1430 | lpfc_param_init(name, defval, minval, maxval)\ | |
ee959b00 | 1431 | static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
93a20f74 JSEC |
1432 | |
1433 | #define LPFC_ATTR_HEX_RW(name, defval, minval, maxval, desc) \ | |
1434 | static int lpfc_##name = defval;\ | |
1435 | module_param(lpfc_##name, int, 0);\ | |
1436 | MODULE_PARM_DESC(lpfc_##name, desc);\ | |
1437 | lpfc_param_hex_show(name)\ | |
1438 | lpfc_param_init(name, defval, minval, maxval)\ | |
1439 | lpfc_param_set(name, defval, minval, maxval)\ | |
1440 | lpfc_param_store(name)\ | |
ee959b00 TJ |
1441 | static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
1442 | lpfc_##name##_show, lpfc_##name##_store) | |
93a20f74 | 1443 | |
3de2a653 JS |
1444 | #define LPFC_VPORT_ATTR(name, defval, minval, maxval, desc) \ |
1445 | static int lpfc_##name = defval;\ | |
1446 | module_param(lpfc_##name, int, 0);\ | |
1447 | MODULE_PARM_DESC(lpfc_##name, desc);\ | |
1448 | lpfc_vport_param_init(name, defval, minval, maxval) | |
1449 | ||
1450 | #define LPFC_VPORT_ATTR_R(name, defval, minval, maxval, desc) \ | |
1451 | static int lpfc_##name = defval;\ | |
1452 | module_param(lpfc_##name, int, 0);\ | |
1453 | MODULE_PARM_DESC(lpfc_##name, desc);\ | |
1454 | lpfc_vport_param_show(name)\ | |
1455 | lpfc_vport_param_init(name, defval, minval, maxval)\ | |
ee959b00 | 1456 | static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
3de2a653 JS |
1457 | |
1458 | #define LPFC_VPORT_ATTR_RW(name, defval, minval, maxval, desc) \ | |
1459 | static int lpfc_##name = defval;\ | |
1460 | module_param(lpfc_##name, int, 0);\ | |
1461 | MODULE_PARM_DESC(lpfc_##name, desc);\ | |
1462 | lpfc_vport_param_show(name)\ | |
1463 | lpfc_vport_param_init(name, defval, minval, maxval)\ | |
1464 | lpfc_vport_param_set(name, defval, minval, maxval)\ | |
1465 | lpfc_vport_param_store(name)\ | |
ee959b00 TJ |
1466 | static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
1467 | lpfc_##name##_show, lpfc_##name##_store) | |
3de2a653 JS |
1468 | |
1469 | #define LPFC_VPORT_ATTR_HEX_R(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_vport_param_hex_show(name)\ | |
1474 | lpfc_vport_param_init(name, defval, minval, maxval)\ | |
ee959b00 | 1475 | static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
3de2a653 JS |
1476 | |
1477 | #define LPFC_VPORT_ATTR_HEX_RW(name, defval, minval, maxval, desc) \ | |
1478 | static int lpfc_##name = defval;\ | |
1479 | module_param(lpfc_##name, int, 0);\ | |
1480 | MODULE_PARM_DESC(lpfc_##name, desc);\ | |
1481 | lpfc_vport_param_hex_show(name)\ | |
1482 | lpfc_vport_param_init(name, defval, minval, maxval)\ | |
1483 | lpfc_vport_param_set(name, defval, minval, maxval)\ | |
1484 | lpfc_vport_param_store(name)\ | |
ee959b00 TJ |
1485 | static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
1486 | lpfc_##name##_show, lpfc_##name##_store) | |
1487 | ||
1488 | static DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL); | |
1489 | static DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL); | |
1490 | static DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL); | |
1491 | static DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL); | |
1492 | static DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL); | |
1493 | static DEVICE_ATTR(portnum, S_IRUGO, lpfc_vportnum_show, NULL); | |
1494 | static DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL); | |
1495 | static DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL); | |
bbd1ae41 | 1496 | static DEVICE_ATTR(link_state, S_IRUGO, lpfc_link_state_show, NULL); |
ee959b00 TJ |
1497 | static DEVICE_ATTR(option_rom_version, S_IRUGO, |
1498 | lpfc_option_rom_version_show, NULL); | |
1499 | static DEVICE_ATTR(num_discovered_ports, S_IRUGO, | |
1500 | lpfc_num_discovered_ports_show, NULL); | |
84774a4d | 1501 | static DEVICE_ATTR(menlo_mgmt_mode, S_IRUGO, lpfc_mlomgmt_show, NULL); |
ee959b00 TJ |
1502 | static DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL); |
1503 | static DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show, NULL); | |
1504 | static DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR, | |
1505 | lpfc_board_mode_show, lpfc_board_mode_store); | |
1506 | static DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset); | |
1507 | static DEVICE_ATTR(max_vpi, S_IRUGO, lpfc_max_vpi_show, NULL); | |
1508 | static DEVICE_ATTR(used_vpi, S_IRUGO, lpfc_used_vpi_show, NULL); | |
1509 | static DEVICE_ATTR(max_rpi, S_IRUGO, lpfc_max_rpi_show, NULL); | |
1510 | static DEVICE_ATTR(used_rpi, S_IRUGO, lpfc_used_rpi_show, NULL); | |
1511 | static DEVICE_ATTR(max_xri, S_IRUGO, lpfc_max_xri_show, NULL); | |
1512 | static DEVICE_ATTR(used_xri, S_IRUGO, lpfc_used_xri_show, NULL); | |
1513 | static DEVICE_ATTR(npiv_info, S_IRUGO, lpfc_npiv_info_show, NULL); | |
1514 | static DEVICE_ATTR(lpfc_temp_sensor, S_IRUGO, lpfc_temp_sensor_show, NULL); | |
dea3101e | 1515 | |
c3f28afa | 1516 | |
a12e07bc | 1517 | static char *lpfc_soft_wwn_key = "C99G71SL8032A"; |
c3f28afa | 1518 | |
e59058c4 JS |
1519 | /** |
1520 | * lpfc_soft_wwn_enable_store: Allows setting of the wwn if the key is valid. | |
1521 | * @dev: class device that is converted into a Scsi_host. | |
1522 | * @attr: device attribute, not used. | |
1523 | * @buf: containing the string lpfc_soft_wwn_key. | |
1524 | * @count: must be size of lpfc_soft_wwn_key. | |
1525 | * | |
1526 | * Returns: | |
1527 | * -EINVAL if the buffer does not contain lpfc_soft_wwn_key | |
1528 | * length of buf indicates success | |
1529 | **/ | |
c3f28afa | 1530 | static ssize_t |
ee959b00 TJ |
1531 | lpfc_soft_wwn_enable_store(struct device *dev, struct device_attribute *attr, |
1532 | const char *buf, size_t count) | |
c3f28afa | 1533 | { |
ee959b00 | 1534 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1535 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1536 | struct lpfc_hba *phba = vport->phba; | |
c3f28afa JS |
1537 | unsigned int cnt = count; |
1538 | ||
1539 | /* | |
1540 | * We're doing a simple sanity check for soft_wwpn setting. | |
1541 | * We require that the user write a specific key to enable | |
1542 | * the soft_wwpn attribute to be settable. Once the attribute | |
1543 | * is written, the enable key resets. If further updates are | |
1544 | * desired, the key must be written again to re-enable the | |
1545 | * attribute. | |
1546 | * | |
1547 | * The "key" is not secret - it is a hardcoded string shown | |
1548 | * here. The intent is to protect against the random user or | |
1549 | * application that is just writing attributes. | |
1550 | */ | |
1551 | ||
1552 | /* count may include a LF at end of string */ | |
1553 | if (buf[cnt-1] == '\n') | |
1554 | cnt--; | |
1555 | ||
a12e07bc JS |
1556 | if ((cnt != strlen(lpfc_soft_wwn_key)) || |
1557 | (strncmp(buf, lpfc_soft_wwn_key, strlen(lpfc_soft_wwn_key)) != 0)) | |
c3f28afa JS |
1558 | return -EINVAL; |
1559 | ||
a12e07bc | 1560 | phba->soft_wwn_enable = 1; |
c3f28afa JS |
1561 | return count; |
1562 | } | |
ee959b00 TJ |
1563 | static DEVICE_ATTR(lpfc_soft_wwn_enable, S_IWUSR, NULL, |
1564 | lpfc_soft_wwn_enable_store); | |
c3f28afa | 1565 | |
e59058c4 JS |
1566 | /** |
1567 | * lpfc_soft_wwpn_show: Return the cfg soft ww port name of the adapter. | |
1568 | * @dev: class device that is converted into a Scsi_host. | |
1569 | * @attr: device attribute, not used. | |
1570 | * @buf: on return contains the wwpn in hexidecimal. | |
1571 | * | |
1572 | * Returns: size of formatted string. | |
1573 | **/ | |
c3f28afa | 1574 | static ssize_t |
ee959b00 TJ |
1575 | lpfc_soft_wwpn_show(struct device *dev, struct device_attribute *attr, |
1576 | char *buf) | |
c3f28afa | 1577 | { |
ee959b00 | 1578 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1579 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1580 | struct lpfc_hba *phba = vport->phba; | |
1581 | ||
afc071e6 RD |
1582 | return snprintf(buf, PAGE_SIZE, "0x%llx\n", |
1583 | (unsigned long long)phba->cfg_soft_wwpn); | |
c3f28afa JS |
1584 | } |
1585 | ||
e59058c4 JS |
1586 | /** |
1587 | * lpfc_soft_wwpn_store: Set the ww port name of the adapter. | |
1588 | * @dev class device that is converted into a Scsi_host. | |
1589 | * @attr: device attribute, not used. | |
1590 | * @buf: contains the wwpn in hexidecimal. | |
1591 | * @count: number of wwpn bytes in buf | |
1592 | * | |
1593 | * Returns: | |
1594 | * -EACCES hba reset not enabled, adapter over temp | |
1595 | * -EINVAL soft wwn not enabled, count is invalid, invalid wwpn byte invalid | |
1596 | * -EIO error taking adapter offline or online | |
1597 | * value of count on success | |
1598 | **/ | |
c3f28afa | 1599 | static ssize_t |
ee959b00 TJ |
1600 | lpfc_soft_wwpn_store(struct device *dev, struct device_attribute *attr, |
1601 | const char *buf, size_t count) | |
c3f28afa | 1602 | { |
ee959b00 | 1603 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1604 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1605 | struct lpfc_hba *phba = vport->phba; | |
c3f28afa JS |
1606 | struct completion online_compl; |
1607 | int stat1=0, stat2=0; | |
1608 | unsigned int i, j, cnt=count; | |
1609 | u8 wwpn[8]; | |
1610 | ||
13815c83 JS |
1611 | if (!phba->cfg_enable_hba_reset) |
1612 | return -EACCES; | |
7af67051 JS |
1613 | spin_lock_irq(&phba->hbalock); |
1614 | if (phba->over_temp_state == HBA_OVER_TEMP) { | |
1615 | spin_unlock_irq(&phba->hbalock); | |
09372820 | 1616 | return -EACCES; |
7af67051 JS |
1617 | } |
1618 | spin_unlock_irq(&phba->hbalock); | |
c3f28afa JS |
1619 | /* count may include a LF at end of string */ |
1620 | if (buf[cnt-1] == '\n') | |
1621 | cnt--; | |
1622 | ||
a12e07bc | 1623 | if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) || |
c3f28afa JS |
1624 | ((cnt == 17) && (*buf++ != 'x')) || |
1625 | ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x')))) | |
1626 | return -EINVAL; | |
1627 | ||
a12e07bc | 1628 | phba->soft_wwn_enable = 0; |
c3f28afa JS |
1629 | |
1630 | memset(wwpn, 0, sizeof(wwpn)); | |
1631 | ||
1632 | /* Validate and store the new name */ | |
1633 | for (i=0, j=0; i < 16; i++) { | |
1634 | if ((*buf >= 'a') && (*buf <= 'f')) | |
1635 | j = ((j << 4) | ((*buf++ -'a') + 10)); | |
1636 | else if ((*buf >= 'A') && (*buf <= 'F')) | |
1637 | j = ((j << 4) | ((*buf++ -'A') + 10)); | |
1638 | else if ((*buf >= '0') && (*buf <= '9')) | |
1639 | j = ((j << 4) | (*buf++ -'0')); | |
1640 | else | |
1641 | return -EINVAL; | |
1642 | if (i % 2) { | |
1643 | wwpn[i/2] = j & 0xff; | |
1644 | j = 0; | |
1645 | } | |
1646 | } | |
1647 | phba->cfg_soft_wwpn = wwn_to_u64(wwpn); | |
2e0fef85 | 1648 | fc_host_port_name(shost) = phba->cfg_soft_wwpn; |
a12e07bc | 1649 | if (phba->cfg_soft_wwnn) |
2e0fef85 | 1650 | fc_host_node_name(shost) = phba->cfg_soft_wwnn; |
c3f28afa JS |
1651 | |
1652 | dev_printk(KERN_NOTICE, &phba->pcidev->dev, | |
1653 | "lpfc%d: Reinitializing to use soft_wwpn\n", phba->brd_no); | |
1654 | ||
46fa311e | 1655 | stat1 = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); |
c3f28afa JS |
1656 | if (stat1) |
1657 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
e8b62011 JS |
1658 | "0463 lpfc_soft_wwpn attribute set failed to " |
1659 | "reinit adapter - %d\n", stat1); | |
c3f28afa JS |
1660 | init_completion(&online_compl); |
1661 | lpfc_workq_post_event(phba, &stat2, &online_compl, LPFC_EVT_ONLINE); | |
1662 | wait_for_completion(&online_compl); | |
1663 | if (stat2) | |
1664 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
e8b62011 JS |
1665 | "0464 lpfc_soft_wwpn attribute set failed to " |
1666 | "reinit adapter - %d\n", stat2); | |
c3f28afa JS |
1667 | return (stat1 || stat2) ? -EIO : count; |
1668 | } | |
ee959b00 TJ |
1669 | static DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR,\ |
1670 | lpfc_soft_wwpn_show, lpfc_soft_wwpn_store); | |
c3f28afa | 1671 | |
e59058c4 JS |
1672 | /** |
1673 | * lpfc_soft_wwnn_show: Return the cfg soft ww node name for the adapter. | |
1674 | * @dev: class device that is converted into a Scsi_host. | |
1675 | * @attr: device attribute, not used. | |
1676 | * @buf: on return contains the wwnn in hexidecimal. | |
1677 | * | |
1678 | * Returns: size of formatted string. | |
1679 | **/ | |
a12e07bc | 1680 | static ssize_t |
ee959b00 TJ |
1681 | lpfc_soft_wwnn_show(struct device *dev, struct device_attribute *attr, |
1682 | char *buf) | |
a12e07bc | 1683 | { |
ee959b00 | 1684 | struct Scsi_Host *shost = class_to_shost(dev); |
51ef4c26 | 1685 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; |
a12e07bc JS |
1686 | return snprintf(buf, PAGE_SIZE, "0x%llx\n", |
1687 | (unsigned long long)phba->cfg_soft_wwnn); | |
1688 | } | |
1689 | ||
e59058c4 JS |
1690 | /** |
1691 | * lpfc_soft_wwnn_store: sets the ww node name of the adapter. | |
1692 | * @cdev: class device that is converted into a Scsi_host. | |
1693 | * @buf: contains the ww node name in hexidecimal. | |
1694 | * @count: number of wwnn bytes in buf. | |
1695 | * | |
1696 | * Returns: | |
1697 | * -EINVAL soft wwn not enabled, count is invalid, invalid wwnn byte invalid | |
1698 | * value of count on success | |
1699 | **/ | |
a12e07bc | 1700 | static ssize_t |
ee959b00 TJ |
1701 | lpfc_soft_wwnn_store(struct device *dev, struct device_attribute *attr, |
1702 | const char *buf, size_t count) | |
a12e07bc | 1703 | { |
ee959b00 | 1704 | struct Scsi_Host *shost = class_to_shost(dev); |
51ef4c26 | 1705 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; |
a12e07bc JS |
1706 | unsigned int i, j, cnt=count; |
1707 | u8 wwnn[8]; | |
1708 | ||
1709 | /* count may include a LF at end of string */ | |
1710 | if (buf[cnt-1] == '\n') | |
1711 | cnt--; | |
1712 | ||
1713 | if (!phba->soft_wwn_enable || (cnt < 16) || (cnt > 18) || | |
1714 | ((cnt == 17) && (*buf++ != 'x')) || | |
1715 | ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x')))) | |
1716 | return -EINVAL; | |
1717 | ||
1718 | /* | |
1719 | * Allow wwnn to be set many times, as long as the enable is set. | |
1720 | * However, once the wwpn is set, everything locks. | |
1721 | */ | |
1722 | ||
1723 | memset(wwnn, 0, sizeof(wwnn)); | |
1724 | ||
1725 | /* Validate and store the new name */ | |
1726 | for (i=0, j=0; i < 16; i++) { | |
1727 | if ((*buf >= 'a') && (*buf <= 'f')) | |
1728 | j = ((j << 4) | ((*buf++ -'a') + 10)); | |
1729 | else if ((*buf >= 'A') && (*buf <= 'F')) | |
1730 | j = ((j << 4) | ((*buf++ -'A') + 10)); | |
1731 | else if ((*buf >= '0') && (*buf <= '9')) | |
1732 | j = ((j << 4) | (*buf++ -'0')); | |
1733 | else | |
1734 | return -EINVAL; | |
1735 | if (i % 2) { | |
1736 | wwnn[i/2] = j & 0xff; | |
1737 | j = 0; | |
1738 | } | |
1739 | } | |
1740 | phba->cfg_soft_wwnn = wwn_to_u64(wwnn); | |
1741 | ||
1742 | dev_printk(KERN_NOTICE, &phba->pcidev->dev, | |
1743 | "lpfc%d: soft_wwnn set. Value will take effect upon " | |
1744 | "setting of the soft_wwpn\n", phba->brd_no); | |
1745 | ||
1746 | return count; | |
1747 | } | |
ee959b00 TJ |
1748 | static DEVICE_ATTR(lpfc_soft_wwnn, S_IRUGO | S_IWUSR,\ |
1749 | lpfc_soft_wwnn_show, lpfc_soft_wwnn_store); | |
a12e07bc | 1750 | |
c3f28afa | 1751 | |
875fbdfe JSEC |
1752 | static int lpfc_poll = 0; |
1753 | module_param(lpfc_poll, int, 0); | |
1754 | MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:" | |
1755 | " 0 - none," | |
1756 | " 1 - poll with interrupts enabled" | |
1757 | " 3 - poll and disable FCP ring interrupts"); | |
1758 | ||
ee959b00 TJ |
1759 | static DEVICE_ATTR(lpfc_poll, S_IRUGO | S_IWUSR, |
1760 | lpfc_poll_show, lpfc_poll_store); | |
dea3101e | 1761 | |
92d7f7b0 JS |
1762 | int lpfc_sli_mode = 0; |
1763 | module_param(lpfc_sli_mode, int, 0); | |
1764 | MODULE_PARM_DESC(lpfc_sli_mode, "SLI mode selector:" | |
1765 | " 0 - auto (SLI-3 if supported)," | |
1766 | " 2 - select SLI-2 even on SLI-3 capable HBAs," | |
1767 | " 3 - select SLI-3"); | |
1768 | ||
7ee5d43e JS |
1769 | int lpfc_enable_npiv = 0; |
1770 | module_param(lpfc_enable_npiv, int, 0); | |
1771 | MODULE_PARM_DESC(lpfc_enable_npiv, "Enable NPIV functionality"); | |
1772 | lpfc_param_show(enable_npiv); | |
1773 | lpfc_param_init(enable_npiv, 0, 0, 1); | |
ee959b00 | 1774 | static DEVICE_ATTR(lpfc_enable_npiv, S_IRUGO, |
7ee5d43e | 1775 | lpfc_enable_npiv_show, NULL); |
92d7f7b0 | 1776 | |
c01f3208 JS |
1777 | /* |
1778 | # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear | |
1779 | # until the timer expires. Value range is [0,255]. Default value is 30. | |
1780 | */ | |
1781 | static int lpfc_nodev_tmo = LPFC_DEF_DEVLOSS_TMO; | |
1782 | static int lpfc_devloss_tmo = LPFC_DEF_DEVLOSS_TMO; | |
1783 | module_param(lpfc_nodev_tmo, int, 0); | |
1784 | MODULE_PARM_DESC(lpfc_nodev_tmo, | |
1785 | "Seconds driver will hold I/O waiting " | |
1786 | "for a device to come back"); | |
e59058c4 JS |
1787 | |
1788 | /** | |
1789 | * lpfc_nodev_tmo_show: Return the hba dev loss timeout value. | |
1790 | * @dev: class converted to a Scsi_host structure. | |
1791 | * @attr: device attribute, not used. | |
1792 | * @buf: on return contains the dev loss timeout in decimal. | |
1793 | * | |
1794 | * Returns: size of formatted string. | |
1795 | **/ | |
c01f3208 | 1796 | static ssize_t |
ee959b00 TJ |
1797 | lpfc_nodev_tmo_show(struct device *dev, struct device_attribute *attr, |
1798 | char *buf) | |
c01f3208 | 1799 | { |
ee959b00 | 1800 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 | 1801 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
c01f3208 | 1802 | int val = 0; |
3de2a653 JS |
1803 | val = vport->cfg_devloss_tmo; |
1804 | return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_devloss_tmo); | |
c01f3208 JS |
1805 | } |
1806 | ||
e59058c4 JS |
1807 | /** |
1808 | * lpfc_nodev_tmo_init: Set the hba nodev timeout value. | |
1809 | * @vport: lpfc vport structure pointer. | |
1810 | * @val: contains the nodev timeout value. | |
1811 | * | |
1812 | * Description: | |
1813 | * If the devloss tmo is already set then nodev tmo is set to devloss tmo, | |
1814 | * a kernel error message is printed and zero is returned. | |
1815 | * Else if val is in range then nodev tmo and devloss tmo are set to val. | |
1816 | * Otherwise nodev tmo is set to the default value. | |
1817 | * | |
1818 | * Returns: | |
1819 | * zero if already set or if val is in range | |
1820 | * -EINVAL val out of range | |
1821 | **/ | |
c01f3208 | 1822 | static int |
3de2a653 JS |
1823 | lpfc_nodev_tmo_init(struct lpfc_vport *vport, int val) |
1824 | { | |
1825 | if (vport->cfg_devloss_tmo != LPFC_DEF_DEVLOSS_TMO) { | |
1826 | vport->cfg_nodev_tmo = vport->cfg_devloss_tmo; | |
1827 | if (val != LPFC_DEF_DEVLOSS_TMO) | |
e8b62011 | 1828 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 1829 | "0407 Ignoring nodev_tmo module " |
e8b62011 JS |
1830 | "parameter because devloss_tmo is " |
1831 | "set.\n"); | |
c01f3208 JS |
1832 | return 0; |
1833 | } | |
1834 | ||
1835 | if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { | |
3de2a653 JS |
1836 | vport->cfg_nodev_tmo = val; |
1837 | vport->cfg_devloss_tmo = val; | |
c01f3208 JS |
1838 | return 0; |
1839 | } | |
e8b62011 JS |
1840 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
1841 | "0400 lpfc_nodev_tmo attribute cannot be set to" | |
1842 | " %d, allowed range is [%d, %d]\n", | |
1843 | val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO); | |
3de2a653 | 1844 | vport->cfg_nodev_tmo = LPFC_DEF_DEVLOSS_TMO; |
c01f3208 JS |
1845 | return -EINVAL; |
1846 | } | |
1847 | ||
e59058c4 JS |
1848 | /** |
1849 | * lpfc_update_rport_devloss_tmo: Update dev loss tmo value. | |
1850 | * @vport: lpfc vport structure pointer. | |
1851 | * | |
1852 | * Description: | |
1853 | * Update all the ndlp's dev loss tmo with the vport devloss tmo value. | |
1854 | **/ | |
7054a606 | 1855 | static void |
3de2a653 | 1856 | lpfc_update_rport_devloss_tmo(struct lpfc_vport *vport) |
7054a606 | 1857 | { |
858c9f6c | 1858 | struct Scsi_Host *shost; |
7054a606 JS |
1859 | struct lpfc_nodelist *ndlp; |
1860 | ||
51ef4c26 JS |
1861 | shost = lpfc_shost_from_vport(vport); |
1862 | spin_lock_irq(shost->host_lock); | |
1863 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) | |
e47c9093 | 1864 | if (NLP_CHK_NODE_ACT(ndlp) && ndlp->rport) |
51ef4c26 JS |
1865 | ndlp->rport->dev_loss_tmo = vport->cfg_devloss_tmo; |
1866 | spin_unlock_irq(shost->host_lock); | |
7054a606 JS |
1867 | } |
1868 | ||
e59058c4 JS |
1869 | /** |
1870 | * lpfc_nodev_tmo_set: Set the vport nodev tmo and devloss tmo values. | |
1871 | * @vport: lpfc vport structure pointer. | |
1872 | * @val: contains the tmo value. | |
1873 | * | |
1874 | * Description: | |
1875 | * If the devloss tmo is already set or the vport dev loss tmo has changed | |
1876 | * then a kernel error message is printed and zero is returned. | |
1877 | * Else if val is in range then nodev tmo and devloss tmo are set to val. | |
1878 | * Otherwise nodev tmo is set to the default value. | |
1879 | * | |
1880 | * Returns: | |
1881 | * zero if already set or if val is in range | |
1882 | * -EINVAL val out of range | |
1883 | **/ | |
c01f3208 | 1884 | static int |
3de2a653 | 1885 | lpfc_nodev_tmo_set(struct lpfc_vport *vport, int val) |
c01f3208 | 1886 | { |
3de2a653 JS |
1887 | if (vport->dev_loss_tmo_changed || |
1888 | (lpfc_devloss_tmo != LPFC_DEF_DEVLOSS_TMO)) { | |
e8b62011 JS |
1889 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
1890 | "0401 Ignoring change to nodev_tmo " | |
1891 | "because devloss_tmo is set.\n"); | |
c01f3208 JS |
1892 | return 0; |
1893 | } | |
c01f3208 | 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; | |
1897 | lpfc_update_rport_devloss_tmo(vport); | |
c01f3208 JS |
1898 | return 0; |
1899 | } | |
e8b62011 JS |
1900 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
1901 | "0403 lpfc_nodev_tmo attribute cannot be set to" | |
1902 | "%d, allowed range is [%d, %d]\n", | |
1903 | val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO); | |
c01f3208 JS |
1904 | return -EINVAL; |
1905 | } | |
1906 | ||
3de2a653 | 1907 | lpfc_vport_param_store(nodev_tmo) |
c01f3208 | 1908 | |
ee959b00 TJ |
1909 | static DEVICE_ATTR(lpfc_nodev_tmo, S_IRUGO | S_IWUSR, |
1910 | lpfc_nodev_tmo_show, lpfc_nodev_tmo_store); | |
c01f3208 JS |
1911 | |
1912 | /* | |
1913 | # lpfc_devloss_tmo: If set, it will hold all I/O errors on devices that | |
1914 | # disappear until the timer expires. Value range is [0,255]. Default | |
1915 | # value is 30. | |
1916 | */ | |
1917 | module_param(lpfc_devloss_tmo, int, 0); | |
1918 | MODULE_PARM_DESC(lpfc_devloss_tmo, | |
1919 | "Seconds driver will hold I/O waiting " | |
1920 | "for a device to come back"); | |
3de2a653 JS |
1921 | lpfc_vport_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO, |
1922 | LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO) | |
1923 | lpfc_vport_param_show(devloss_tmo) | |
e59058c4 JS |
1924 | |
1925 | /** | |
1926 | * lpfc_devloss_tmo_set: Sets vport nodev tmo, devloss tmo values, changed bit. | |
1927 | * @vport: lpfc vport structure pointer. | |
1928 | * @val: contains the tmo value. | |
1929 | * | |
1930 | * Description: | |
1931 | * If val is in a valid range then set the vport nodev tmo, | |
1932 | * devloss tmo, also set the vport dev loss tmo changed flag. | |
1933 | * Else a kernel error message is printed. | |
1934 | * | |
1935 | * Returns: | |
1936 | * zero if val is in range | |
1937 | * -EINVAL val out of range | |
1938 | **/ | |
c01f3208 | 1939 | static int |
3de2a653 | 1940 | lpfc_devloss_tmo_set(struct lpfc_vport *vport, int val) |
c01f3208 JS |
1941 | { |
1942 | if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { | |
3de2a653 JS |
1943 | vport->cfg_nodev_tmo = val; |
1944 | vport->cfg_devloss_tmo = val; | |
1945 | vport->dev_loss_tmo_changed = 1; | |
1946 | lpfc_update_rport_devloss_tmo(vport); | |
c01f3208 JS |
1947 | return 0; |
1948 | } | |
1949 | ||
e8b62011 JS |
1950 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
1951 | "0404 lpfc_devloss_tmo attribute cannot be set to" | |
1952 | " %d, allowed range is [%d, %d]\n", | |
1953 | val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO); | |
c01f3208 JS |
1954 | return -EINVAL; |
1955 | } | |
1956 | ||
3de2a653 | 1957 | lpfc_vport_param_store(devloss_tmo) |
ee959b00 TJ |
1958 | static DEVICE_ATTR(lpfc_devloss_tmo, S_IRUGO | S_IWUSR, |
1959 | lpfc_devloss_tmo_show, lpfc_devloss_tmo_store); | |
c01f3208 | 1960 | |
dea3101e JB |
1961 | /* |
1962 | # lpfc_log_verbose: Only turn this flag on if you are willing to risk being | |
1963 | # deluged with LOTS of information. | |
1964 | # You can set a bit mask to record specific types of verbose messages: | |
1965 | # | |
1966 | # LOG_ELS 0x1 ELS events | |
1967 | # LOG_DISCOVERY 0x2 Link discovery events | |
1968 | # LOG_MBOX 0x4 Mailbox events | |
1969 | # LOG_INIT 0x8 Initialization events | |
1970 | # LOG_LINK_EVENT 0x10 Link events | |
dea3101e JB |
1971 | # LOG_FCP 0x40 FCP traffic history |
1972 | # LOG_NODE 0x80 Node table events | |
1973 | # LOG_MISC 0x400 Miscellaneous events | |
1974 | # LOG_SLI 0x800 SLI events | |
c7743956 | 1975 | # LOG_FCP_ERROR 0x1000 Only log FCP errors |
dea3101e JB |
1976 | # LOG_LIBDFC 0x2000 LIBDFC events |
1977 | # LOG_ALL_MSG 0xffff LOG all messages | |
1978 | */ | |
e8b62011 JS |
1979 | LPFC_VPORT_ATTR_HEX_RW(log_verbose, 0x0, 0x0, 0xffff, |
1980 | "Verbose logging bit-mask"); | |
dea3101e | 1981 | |
7ee5d43e JS |
1982 | /* |
1983 | # lpfc_enable_da_id: This turns on the DA_ID CT command that deregisters | |
1984 | # objects that have been registered with the nameserver after login. | |
1985 | */ | |
1986 | LPFC_VPORT_ATTR_R(enable_da_id, 0, 0, 1, | |
1987 | "Deregister nameserver objects before LOGO"); | |
1988 | ||
dea3101e JB |
1989 | /* |
1990 | # lun_queue_depth: This parameter is used to limit the number of outstanding | |
1991 | # commands per FCP LUN. Value range is [1,128]. Default value is 30. | |
1992 | */ | |
3de2a653 JS |
1993 | LPFC_VPORT_ATTR_R(lun_queue_depth, 30, 1, 128, |
1994 | "Max number of FCP commands we can queue to a specific LUN"); | |
dea3101e | 1995 | |
b28485ac JW |
1996 | /* |
1997 | # hba_queue_depth: This parameter is used to limit the number of outstanding | |
1998 | # commands per lpfc HBA. Value range is [32,8192]. If this parameter | |
1999 | # value is greater than the maximum number of exchanges supported by the HBA, | |
2000 | # then maximum number of exchanges supported by the HBA is used to determine | |
2001 | # the hba_queue_depth. | |
2002 | */ | |
2003 | LPFC_ATTR_R(hba_queue_depth, 8192, 32, 8192, | |
2004 | "Max number of FCP commands we can queue to a lpfc HBA"); | |
2005 | ||
92d7f7b0 JS |
2006 | /* |
2007 | # peer_port_login: This parameter allows/prevents logins | |
2008 | # between peer ports hosted on the same physical port. | |
2009 | # When this parameter is set 0 peer ports of same physical port | |
2010 | # are not allowed to login to each other. | |
2011 | # When this parameter is set 1 peer ports of same physical port | |
2012 | # are allowed to login to each other. | |
2013 | # Default value of this parameter is 0. | |
2014 | */ | |
3de2a653 JS |
2015 | LPFC_VPORT_ATTR_R(peer_port_login, 0, 0, 1, |
2016 | "Allow peer ports on the same physical port to login to each " | |
2017 | "other."); | |
92d7f7b0 JS |
2018 | |
2019 | /* | |
3de2a653 | 2020 | # restrict_login: This parameter allows/prevents logins |
92d7f7b0 JS |
2021 | # between Virtual Ports and remote initiators. |
2022 | # When this parameter is not set (0) Virtual Ports will accept PLOGIs from | |
2023 | # other initiators and will attempt to PLOGI all remote ports. | |
2024 | # When this parameter is set (1) Virtual Ports will reject PLOGIs from | |
2025 | # remote ports and will not attempt to PLOGI to other initiators. | |
2026 | # This parameter does not restrict to the physical port. | |
2027 | # This parameter does not restrict logins to Fabric resident remote ports. | |
2028 | # Default value of this parameter is 1. | |
2029 | */ | |
3de2a653 JS |
2030 | static int lpfc_restrict_login = 1; |
2031 | module_param(lpfc_restrict_login, int, 0); | |
2032 | MODULE_PARM_DESC(lpfc_restrict_login, | |
2033 | "Restrict virtual ports login to remote initiators."); | |
2034 | lpfc_vport_param_show(restrict_login); | |
2035 | ||
e59058c4 JS |
2036 | /** |
2037 | * lpfc_restrict_login_init: Set the vport restrict login flag. | |
2038 | * @vport: lpfc vport structure pointer. | |
2039 | * @val: contains the restrict login value. | |
2040 | * | |
2041 | * Description: | |
2042 | * If val is not in a valid range then log a kernel error message and set | |
2043 | * the vport restrict login to one. | |
2044 | * If the port type is physical clear the restrict login flag and return. | |
2045 | * Else set the restrict login flag to val. | |
2046 | * | |
2047 | * Returns: | |
2048 | * zero if val is in range | |
2049 | * -EINVAL val out of range | |
2050 | **/ | |
3de2a653 JS |
2051 | static int |
2052 | lpfc_restrict_login_init(struct lpfc_vport *vport, int val) | |
2053 | { | |
2054 | if (val < 0 || val > 1) { | |
e8b62011 | 2055 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 2056 | "0422 lpfc_restrict_login attribute cannot " |
e8b62011 JS |
2057 | "be set to %d, allowed range is [0, 1]\n", |
2058 | val); | |
3de2a653 JS |
2059 | vport->cfg_restrict_login = 1; |
2060 | return -EINVAL; | |
2061 | } | |
2062 | if (vport->port_type == LPFC_PHYSICAL_PORT) { | |
2063 | vport->cfg_restrict_login = 0; | |
2064 | return 0; | |
2065 | } | |
2066 | vport->cfg_restrict_login = val; | |
2067 | return 0; | |
2068 | } | |
2069 | ||
e59058c4 JS |
2070 | /** |
2071 | * lpfc_restrict_login_set: Set the vport restrict login flag. | |
2072 | * @vport: lpfc vport structure pointer. | |
2073 | * @val: contains the restrict login value. | |
2074 | * | |
2075 | * Description: | |
2076 | * If val is not in a valid range then log a kernel error message and set | |
2077 | * the vport restrict login to one. | |
2078 | * If the port type is physical and the val is not zero log a kernel | |
2079 | * error message, clear the restrict login flag and return zero. | |
2080 | * Else set the restrict login flag to val. | |
2081 | * | |
2082 | * Returns: | |
2083 | * zero if val is in range | |
2084 | * -EINVAL val out of range | |
2085 | **/ | |
3de2a653 JS |
2086 | static int |
2087 | lpfc_restrict_login_set(struct lpfc_vport *vport, int val) | |
2088 | { | |
2089 | if (val < 0 || val > 1) { | |
e8b62011 | 2090 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 2091 | "0425 lpfc_restrict_login attribute cannot " |
e8b62011 JS |
2092 | "be set to %d, allowed range is [0, 1]\n", |
2093 | val); | |
3de2a653 JS |
2094 | vport->cfg_restrict_login = 1; |
2095 | return -EINVAL; | |
2096 | } | |
2097 | if (vport->port_type == LPFC_PHYSICAL_PORT && val != 0) { | |
e8b62011 JS |
2098 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
2099 | "0468 lpfc_restrict_login must be 0 for " | |
2100 | "Physical ports.\n"); | |
3de2a653 JS |
2101 | vport->cfg_restrict_login = 0; |
2102 | return 0; | |
2103 | } | |
2104 | vport->cfg_restrict_login = val; | |
2105 | return 0; | |
2106 | } | |
2107 | lpfc_vport_param_store(restrict_login); | |
ee959b00 TJ |
2108 | static DEVICE_ATTR(lpfc_restrict_login, S_IRUGO | S_IWUSR, |
2109 | lpfc_restrict_login_show, lpfc_restrict_login_store); | |
92d7f7b0 | 2110 | |
dea3101e JB |
2111 | /* |
2112 | # Some disk devices have a "select ID" or "select Target" capability. | |
2113 | # From a protocol standpoint "select ID" usually means select the | |
2114 | # Fibre channel "ALPA". In the FC-AL Profile there is an "informative | |
2115 | # annex" which contains a table that maps a "select ID" (a number | |
2116 | # between 0 and 7F) to an ALPA. By default, for compatibility with | |
2117 | # older drivers, the lpfc driver scans this table from low ALPA to high | |
2118 | # ALPA. | |
2119 | # | |
2120 | # Turning on the scan-down variable (on = 1, off = 0) will | |
2121 | # cause the lpfc driver to use an inverted table, effectively | |
2122 | # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1. | |
2123 | # | |
2124 | # (Note: This "select ID" functionality is a LOOP ONLY characteristic | |
2125 | # and will not work across a fabric. Also this parameter will take | |
2126 | # effect only in the case when ALPA map is not available.) | |
2127 | */ | |
3de2a653 JS |
2128 | LPFC_VPORT_ATTR_R(scan_down, 1, 0, 1, |
2129 | "Start scanning for devices from highest ALPA to lowest"); | |
dea3101e | 2130 | |
dea3101e JB |
2131 | /* |
2132 | # lpfc_topology: link topology for init link | |
2133 | # 0x0 = attempt loop mode then point-to-point | |
367c2713 | 2134 | # 0x01 = internal loopback mode |
dea3101e JB |
2135 | # 0x02 = attempt point-to-point mode only |
2136 | # 0x04 = attempt loop mode only | |
2137 | # 0x06 = attempt point-to-point mode then loop | |
2138 | # Set point-to-point mode if you want to run as an N_Port. | |
2139 | # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6]. | |
2140 | # Default value is 0. | |
2141 | */ | |
e59058c4 JS |
2142 | |
2143 | /** | |
2144 | * lpfc_topology_set: Set the adapters topology field. | |
2145 | * @phba: lpfc_hba pointer. | |
2146 | * @val: topology value. | |
2147 | * | |
2148 | * Description: | |
2149 | * If val is in a valid range then set the adapter's topology field and | |
2150 | * issue a lip; if the lip fails reset the topology to the old value. | |
2151 | * | |
2152 | * If the value is not in range log a kernel error message and return an error. | |
2153 | * | |
2154 | * Returns: | |
2155 | * zero if val is in range and lip okay | |
2156 | * non-zero return value from lpfc_issue_lip() | |
2157 | * -EINVAL val out of range | |
2158 | **/ | |
83108bd3 JS |
2159 | static int |
2160 | lpfc_topology_set(struct lpfc_hba *phba, int val) | |
2161 | { | |
2162 | int err; | |
2163 | uint32_t prev_val; | |
2164 | if (val >= 0 && val <= 6) { | |
2165 | prev_val = phba->cfg_topology; | |
2166 | phba->cfg_topology = val; | |
2167 | err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport)); | |
2168 | if (err) | |
2169 | phba->cfg_topology = prev_val; | |
2170 | return err; | |
2171 | } | |
2172 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2173 | "%d:0467 lpfc_topology attribute cannot be set to %d, " | |
2174 | "allowed range is [0, 6]\n", | |
2175 | phba->brd_no, val); | |
2176 | return -EINVAL; | |
2177 | } | |
2178 | static int lpfc_topology = 0; | |
2179 | module_param(lpfc_topology, int, 0); | |
2180 | MODULE_PARM_DESC(lpfc_topology, "Select Fibre Channel topology"); | |
2181 | lpfc_param_show(topology) | |
2182 | lpfc_param_init(topology, 0, 0, 6) | |
2183 | lpfc_param_store(topology) | |
ee959b00 | 2184 | static DEVICE_ATTR(lpfc_topology, S_IRUGO | S_IWUSR, |
83108bd3 | 2185 | lpfc_topology_show, lpfc_topology_store); |
dea3101e | 2186 | |
ea2151b4 JS |
2187 | |
2188 | /** | |
2189 | * lpfc_stat_data_ctrl_store: write call back for lpfc_stat_data_ctrl | |
2190 | * sysfs file. | |
2191 | * @dev: Pointer to class device. | |
2192 | * @buf: Data buffer. | |
2193 | * @count: Size of the data buffer. | |
2194 | * | |
2195 | * This function get called when an user write to the lpfc_stat_data_ctrl | |
2196 | * sysfs file. This function parse the command written to the sysfs file | |
2197 | * and take appropriate action. These commands are used for controlling | |
2198 | * driver statistical data collection. | |
2199 | * Following are the command this function handles. | |
2200 | * | |
2201 | * setbucket <bucket_type> <base> <step> | |
2202 | * = Set the latency buckets. | |
2203 | * destroybucket = destroy all the buckets. | |
2204 | * start = start data collection | |
2205 | * stop = stop data collection | |
2206 | * reset = reset the collected data | |
2207 | **/ | |
2208 | static ssize_t | |
2209 | lpfc_stat_data_ctrl_store(struct device *dev, struct device_attribute *attr, | |
2210 | const char *buf, size_t count) | |
2211 | { | |
2212 | struct Scsi_Host *shost = class_to_shost(dev); | |
2213 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2214 | struct lpfc_hba *phba = vport->phba; | |
2215 | #define LPFC_MAX_DATA_CTRL_LEN 1024 | |
2216 | static char bucket_data[LPFC_MAX_DATA_CTRL_LEN]; | |
2217 | unsigned long i; | |
2218 | char *str_ptr, *token; | |
2219 | struct lpfc_vport **vports; | |
2220 | struct Scsi_Host *v_shost; | |
2221 | char *bucket_type_str, *base_str, *step_str; | |
2222 | unsigned long base, step, bucket_type; | |
2223 | ||
2224 | if (!strncmp(buf, "setbucket", strlen("setbucket"))) { | |
2225 | if (strlen(buf) > LPFC_MAX_DATA_CTRL_LEN) | |
2226 | return -EINVAL; | |
2227 | ||
2228 | strcpy(bucket_data, buf); | |
2229 | str_ptr = &bucket_data[0]; | |
2230 | /* Ignore this token - this is command token */ | |
2231 | token = strsep(&str_ptr, "\t "); | |
2232 | if (!token) | |
2233 | return -EINVAL; | |
2234 | ||
2235 | bucket_type_str = strsep(&str_ptr, "\t "); | |
2236 | if (!bucket_type_str) | |
2237 | return -EINVAL; | |
2238 | ||
2239 | if (!strncmp(bucket_type_str, "linear", strlen("linear"))) | |
2240 | bucket_type = LPFC_LINEAR_BUCKET; | |
2241 | else if (!strncmp(bucket_type_str, "power2", strlen("power2"))) | |
2242 | bucket_type = LPFC_POWER2_BUCKET; | |
2243 | else | |
2244 | return -EINVAL; | |
2245 | ||
2246 | base_str = strsep(&str_ptr, "\t "); | |
2247 | if (!base_str) | |
2248 | return -EINVAL; | |
2249 | base = simple_strtoul(base_str, NULL, 0); | |
2250 | ||
2251 | step_str = strsep(&str_ptr, "\t "); | |
2252 | if (!step_str) | |
2253 | return -EINVAL; | |
2254 | step = simple_strtoul(step_str, NULL, 0); | |
2255 | if (!step) | |
2256 | return -EINVAL; | |
2257 | ||
2258 | /* Block the data collection for every vport */ | |
2259 | vports = lpfc_create_vport_work_array(phba); | |
2260 | if (vports == NULL) | |
2261 | return -ENOMEM; | |
2262 | ||
2263 | for (i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { | |
2264 | v_shost = lpfc_shost_from_vport(vports[i]); | |
2265 | spin_lock_irq(v_shost->host_lock); | |
2266 | /* Block and reset data collection */ | |
2267 | vports[i]->stat_data_blocked = 1; | |
2268 | if (vports[i]->stat_data_enabled) | |
2269 | lpfc_vport_reset_stat_data(vports[i]); | |
2270 | spin_unlock_irq(v_shost->host_lock); | |
2271 | } | |
2272 | ||
2273 | /* Set the bucket attributes */ | |
2274 | phba->bucket_type = bucket_type; | |
2275 | phba->bucket_base = base; | |
2276 | phba->bucket_step = step; | |
2277 | ||
2278 | for (i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { | |
2279 | v_shost = lpfc_shost_from_vport(vports[i]); | |
2280 | ||
2281 | /* Unblock data collection */ | |
2282 | spin_lock_irq(v_shost->host_lock); | |
2283 | vports[i]->stat_data_blocked = 0; | |
2284 | spin_unlock_irq(v_shost->host_lock); | |
2285 | } | |
2286 | lpfc_destroy_vport_work_array(phba, vports); | |
2287 | return strlen(buf); | |
2288 | } | |
2289 | ||
2290 | if (!strncmp(buf, "destroybucket", strlen("destroybucket"))) { | |
2291 | vports = lpfc_create_vport_work_array(phba); | |
2292 | if (vports == NULL) | |
2293 | return -ENOMEM; | |
2294 | ||
2295 | for (i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { | |
2296 | v_shost = lpfc_shost_from_vport(vports[i]); | |
2297 | spin_lock_irq(shost->host_lock); | |
2298 | vports[i]->stat_data_blocked = 1; | |
2299 | lpfc_free_bucket(vport); | |
2300 | vport->stat_data_enabled = 0; | |
2301 | vports[i]->stat_data_blocked = 0; | |
2302 | spin_unlock_irq(shost->host_lock); | |
2303 | } | |
2304 | lpfc_destroy_vport_work_array(phba, vports); | |
2305 | phba->bucket_type = LPFC_NO_BUCKET; | |
2306 | phba->bucket_base = 0; | |
2307 | phba->bucket_step = 0; | |
2308 | return strlen(buf); | |
2309 | } | |
2310 | ||
2311 | if (!strncmp(buf, "start", strlen("start"))) { | |
2312 | /* If no buckets configured return error */ | |
2313 | if (phba->bucket_type == LPFC_NO_BUCKET) | |
2314 | return -EINVAL; | |
2315 | spin_lock_irq(shost->host_lock); | |
2316 | if (vport->stat_data_enabled) { | |
2317 | spin_unlock_irq(shost->host_lock); | |
2318 | return strlen(buf); | |
2319 | } | |
2320 | lpfc_alloc_bucket(vport); | |
2321 | vport->stat_data_enabled = 1; | |
2322 | spin_unlock_irq(shost->host_lock); | |
2323 | return strlen(buf); | |
2324 | } | |
2325 | ||
2326 | if (!strncmp(buf, "stop", strlen("stop"))) { | |
2327 | spin_lock_irq(shost->host_lock); | |
2328 | if (vport->stat_data_enabled == 0) { | |
2329 | spin_unlock_irq(shost->host_lock); | |
2330 | return strlen(buf); | |
2331 | } | |
2332 | lpfc_free_bucket(vport); | |
2333 | vport->stat_data_enabled = 0; | |
2334 | spin_unlock_irq(shost->host_lock); | |
2335 | return strlen(buf); | |
2336 | } | |
2337 | ||
2338 | if (!strncmp(buf, "reset", strlen("reset"))) { | |
2339 | if ((phba->bucket_type == LPFC_NO_BUCKET) | |
2340 | || !vport->stat_data_enabled) | |
2341 | return strlen(buf); | |
2342 | spin_lock_irq(shost->host_lock); | |
2343 | vport->stat_data_blocked = 1; | |
2344 | lpfc_vport_reset_stat_data(vport); | |
2345 | vport->stat_data_blocked = 0; | |
2346 | spin_unlock_irq(shost->host_lock); | |
2347 | return strlen(buf); | |
2348 | } | |
2349 | return -EINVAL; | |
2350 | } | |
2351 | ||
2352 | ||
2353 | /** | |
2354 | * lpfc_stat_data_ctrl_show: Read callback function for | |
2355 | * lpfc_stat_data_ctrl sysfs file. | |
2356 | * @dev: Pointer to class device object. | |
2357 | * @buf: Data buffer. | |
2358 | * | |
2359 | * This function is the read call back function for | |
2360 | * lpfc_stat_data_ctrl sysfs file. This function report the | |
2361 | * current statistical data collection state. | |
2362 | **/ | |
2363 | static ssize_t | |
2364 | lpfc_stat_data_ctrl_show(struct device *dev, struct device_attribute *attr, | |
2365 | char *buf) | |
2366 | { | |
2367 | struct Scsi_Host *shost = class_to_shost(dev); | |
2368 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2369 | struct lpfc_hba *phba = vport->phba; | |
2370 | int index = 0; | |
2371 | int i; | |
2372 | char *bucket_type; | |
2373 | unsigned long bucket_value; | |
2374 | ||
2375 | switch (phba->bucket_type) { | |
2376 | case LPFC_LINEAR_BUCKET: | |
2377 | bucket_type = "linear"; | |
2378 | break; | |
2379 | case LPFC_POWER2_BUCKET: | |
2380 | bucket_type = "power2"; | |
2381 | break; | |
2382 | default: | |
2383 | bucket_type = "No Bucket"; | |
2384 | break; | |
2385 | } | |
2386 | ||
2387 | sprintf(&buf[index], "Statistical Data enabled :%d, " | |
2388 | "blocked :%d, Bucket type :%s, Bucket base :%d," | |
2389 | " Bucket step :%d\nLatency Ranges :", | |
2390 | vport->stat_data_enabled, vport->stat_data_blocked, | |
2391 | bucket_type, phba->bucket_base, phba->bucket_step); | |
2392 | index = strlen(buf); | |
2393 | if (phba->bucket_type != LPFC_NO_BUCKET) { | |
2394 | for (i = 0; i < LPFC_MAX_BUCKET_COUNT; i++) { | |
2395 | if (phba->bucket_type == LPFC_LINEAR_BUCKET) | |
2396 | bucket_value = phba->bucket_base + | |
2397 | phba->bucket_step * i; | |
2398 | else | |
2399 | bucket_value = phba->bucket_base + | |
2400 | (1 << i) * phba->bucket_step; | |
2401 | ||
2402 | if (index + 10 > PAGE_SIZE) | |
2403 | break; | |
2404 | sprintf(&buf[index], "%08ld ", bucket_value); | |
2405 | index = strlen(buf); | |
2406 | } | |
2407 | } | |
2408 | sprintf(&buf[index], "\n"); | |
2409 | return strlen(buf); | |
2410 | } | |
2411 | ||
2412 | /* | |
2413 | * Sysfs attribute to control the statistical data collection. | |
2414 | */ | |
2415 | static DEVICE_ATTR(lpfc_stat_data_ctrl, S_IRUGO | S_IWUSR, | |
2416 | lpfc_stat_data_ctrl_show, lpfc_stat_data_ctrl_store); | |
2417 | ||
2418 | /* | |
2419 | * lpfc_drvr_stat_data: sysfs attr to get driver statistical data. | |
2420 | */ | |
2421 | ||
2422 | /* | |
2423 | * Each Bucket takes 11 characters and 1 new line + 17 bytes WWN | |
2424 | * for each target. | |
2425 | */ | |
2426 | #define STAT_DATA_SIZE_PER_TARGET(NUM_BUCKETS) ((NUM_BUCKETS) * 11 + 18) | |
2427 | #define MAX_STAT_DATA_SIZE_PER_TARGET \ | |
2428 | STAT_DATA_SIZE_PER_TARGET(LPFC_MAX_BUCKET_COUNT) | |
2429 | ||
2430 | ||
2431 | /** | |
2432 | * sysfs_drvr_stat_data_read: Read callback function for lpfc_drvr_stat_data | |
2433 | * sysfs attribute. | |
2434 | * @kobj: Pointer to the kernel object | |
2435 | * @bin_attr: Attribute object | |
2436 | * @buff: Buffer pointer | |
2437 | * @off: File offset | |
2438 | * @count: Buffer size | |
2439 | * | |
2440 | * This function is the read call back function for lpfc_drvr_stat_data | |
2441 | * sysfs file. This function export the statistical data to user | |
2442 | * applications. | |
2443 | **/ | |
2444 | static ssize_t | |
2445 | sysfs_drvr_stat_data_read(struct kobject *kobj, struct bin_attribute *bin_attr, | |
2446 | char *buf, loff_t off, size_t count) | |
2447 | { | |
2448 | struct device *dev = container_of(kobj, struct device, | |
2449 | kobj); | |
2450 | struct Scsi_Host *shost = class_to_shost(dev); | |
2451 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2452 | struct lpfc_hba *phba = vport->phba; | |
2453 | int i = 0, index = 0; | |
2454 | unsigned long nport_index; | |
2455 | struct lpfc_nodelist *ndlp = NULL; | |
2456 | nport_index = (unsigned long)off / | |
2457 | MAX_STAT_DATA_SIZE_PER_TARGET; | |
2458 | ||
2459 | if (!vport->stat_data_enabled || vport->stat_data_blocked | |
2460 | || (phba->bucket_type == LPFC_NO_BUCKET)) | |
2461 | return 0; | |
2462 | ||
2463 | spin_lock_irq(shost->host_lock); | |
2464 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { | |
2465 | if (!NLP_CHK_NODE_ACT(ndlp) || !ndlp->lat_data) | |
2466 | continue; | |
2467 | ||
2468 | if (nport_index > 0) { | |
2469 | nport_index--; | |
2470 | continue; | |
2471 | } | |
2472 | ||
2473 | if ((index + MAX_STAT_DATA_SIZE_PER_TARGET) | |
2474 | > count) | |
2475 | break; | |
2476 | ||
2477 | if (!ndlp->lat_data) | |
2478 | continue; | |
2479 | ||
2480 | /* Print the WWN */ | |
2481 | sprintf(&buf[index], "%02x%02x%02x%02x%02x%02x%02x%02x:", | |
2482 | ndlp->nlp_portname.u.wwn[0], | |
2483 | ndlp->nlp_portname.u.wwn[1], | |
2484 | ndlp->nlp_portname.u.wwn[2], | |
2485 | ndlp->nlp_portname.u.wwn[3], | |
2486 | ndlp->nlp_portname.u.wwn[4], | |
2487 | ndlp->nlp_portname.u.wwn[5], | |
2488 | ndlp->nlp_portname.u.wwn[6], | |
2489 | ndlp->nlp_portname.u.wwn[7]); | |
2490 | ||
2491 | index = strlen(buf); | |
2492 | ||
2493 | for (i = 0; i < LPFC_MAX_BUCKET_COUNT; i++) { | |
2494 | sprintf(&buf[index], "%010u,", | |
2495 | ndlp->lat_data[i].cmd_count); | |
2496 | index = strlen(buf); | |
2497 | } | |
2498 | sprintf(&buf[index], "\n"); | |
2499 | index = strlen(buf); | |
2500 | } | |
2501 | spin_unlock_irq(shost->host_lock); | |
2502 | return index; | |
2503 | } | |
2504 | ||
2505 | static struct bin_attribute sysfs_drvr_stat_data_attr = { | |
2506 | .attr = { | |
2507 | .name = "lpfc_drvr_stat_data", | |
2508 | .mode = S_IRUSR, | |
2509 | .owner = THIS_MODULE, | |
2510 | }, | |
2511 | .size = LPFC_MAX_TARGET * MAX_STAT_DATA_SIZE_PER_TARGET, | |
2512 | .read = sysfs_drvr_stat_data_read, | |
2513 | .write = NULL, | |
2514 | }; | |
2515 | ||
dea3101e JB |
2516 | /* |
2517 | # lpfc_link_speed: Link speed selection for initializing the Fibre Channel | |
2518 | # connection. | |
2519 | # 0 = auto select (default) | |
2520 | # 1 = 1 Gigabaud | |
2521 | # 2 = 2 Gigabaud | |
2522 | # 4 = 4 Gigabaud | |
b87eab38 JS |
2523 | # 8 = 8 Gigabaud |
2524 | # Value range is [0,8]. Default value is 0. | |
dea3101e | 2525 | */ |
e59058c4 JS |
2526 | |
2527 | /** | |
2528 | * lpfc_link_speed_set: Set the adapters link speed. | |
2529 | * @phba: lpfc_hba pointer. | |
2530 | * @val: link speed value. | |
2531 | * | |
2532 | * Description: | |
2533 | * If val is in a valid range then set the adapter's link speed field and | |
2534 | * issue a lip; if the lip fails reset the link speed to the old value. | |
2535 | * | |
2536 | * Notes: | |
2537 | * If the value is not in range log a kernel error message and return an error. | |
2538 | * | |
2539 | * Returns: | |
2540 | * zero if val is in range and lip okay. | |
2541 | * non-zero return value from lpfc_issue_lip() | |
2542 | * -EINVAL val out of range | |
2543 | **/ | |
83108bd3 JS |
2544 | static int |
2545 | lpfc_link_speed_set(struct lpfc_hba *phba, int val) | |
2546 | { | |
2547 | int err; | |
2548 | uint32_t prev_val; | |
2549 | ||
2550 | if (((val == LINK_SPEED_1G) && !(phba->lmt & LMT_1Gb)) || | |
2551 | ((val == LINK_SPEED_2G) && !(phba->lmt & LMT_2Gb)) || | |
2552 | ((val == LINK_SPEED_4G) && !(phba->lmt & LMT_4Gb)) || | |
2553 | ((val == LINK_SPEED_8G) && !(phba->lmt & LMT_8Gb)) || | |
2554 | ((val == LINK_SPEED_10G) && !(phba->lmt & LMT_10Gb))) | |
2555 | return -EINVAL; | |
2556 | ||
2557 | if ((val >= 0 && val <= LPFC_MAX_LINK_SPEED) | |
2558 | && (LPFC_LINK_SPEED_BITMAP & (1 << val))) { | |
2559 | prev_val = phba->cfg_link_speed; | |
2560 | phba->cfg_link_speed = val; | |
2561 | err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport)); | |
2562 | if (err) | |
2563 | phba->cfg_link_speed = prev_val; | |
2564 | return err; | |
2565 | } | |
2566 | ||
2567 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2568 | "%d:0469 lpfc_link_speed attribute cannot be set to %d, " | |
2569 | "allowed range is [0, 8]\n", | |
2570 | phba->brd_no, val); | |
2571 | return -EINVAL; | |
2572 | } | |
2573 | ||
2574 | static int lpfc_link_speed = 0; | |
2575 | module_param(lpfc_link_speed, int, 0); | |
2576 | MODULE_PARM_DESC(lpfc_link_speed, "Select link speed"); | |
2577 | lpfc_param_show(link_speed) | |
e59058c4 JS |
2578 | |
2579 | /** | |
2580 | * lpfc_link_speed_init: Set the adapters link speed. | |
2581 | * @phba: lpfc_hba pointer. | |
2582 | * @val: link speed value. | |
2583 | * | |
2584 | * Description: | |
2585 | * If val is in a valid range then set the adapter's link speed field. | |
2586 | * | |
2587 | * Notes: | |
2588 | * If the value is not in range log a kernel error message, clear the link | |
2589 | * speed and return an error. | |
2590 | * | |
2591 | * Returns: | |
2592 | * zero if val saved. | |
2593 | * -EINVAL val out of range | |
2594 | **/ | |
83108bd3 JS |
2595 | static int |
2596 | lpfc_link_speed_init(struct lpfc_hba *phba, int val) | |
2597 | { | |
2598 | if ((val >= 0 && val <= LPFC_MAX_LINK_SPEED) | |
2599 | && (LPFC_LINK_SPEED_BITMAP & (1 << val))) { | |
2600 | phba->cfg_link_speed = val; | |
2601 | return 0; | |
2602 | } | |
2603 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
d7c255b2 | 2604 | "0405 lpfc_link_speed attribute cannot " |
83108bd3 JS |
2605 | "be set to %d, allowed values are " |
2606 | "["LPFC_LINK_SPEED_STRING"]\n", val); | |
2607 | phba->cfg_link_speed = 0; | |
2608 | return -EINVAL; | |
2609 | } | |
2610 | ||
2611 | lpfc_param_store(link_speed) | |
ee959b00 | 2612 | static DEVICE_ATTR(lpfc_link_speed, S_IRUGO | S_IWUSR, |
83108bd3 | 2613 | lpfc_link_speed_show, lpfc_link_speed_store); |
dea3101e JB |
2614 | |
2615 | /* | |
2616 | # lpfc_fcp_class: Determines FC class to use for the FCP protocol. | |
2617 | # Value range is [2,3]. Default value is 3. | |
2618 | */ | |
3de2a653 JS |
2619 | LPFC_VPORT_ATTR_R(fcp_class, 3, 2, 3, |
2620 | "Select Fibre Channel class of service for FCP sequences"); | |
dea3101e JB |
2621 | |
2622 | /* | |
2623 | # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range | |
2624 | # is [0,1]. Default value is 0. | |
2625 | */ | |
3de2a653 JS |
2626 | LPFC_VPORT_ATTR_RW(use_adisc, 0, 0, 1, |
2627 | "Use ADISC on rediscovery to authenticate FCP devices"); | |
dea3101e | 2628 | |
977b5a0a JS |
2629 | /* |
2630 | # lpfc_max_scsicmpl_time: Use scsi command completion time to control I/O queue | |
2631 | # depth. Default value is 0. When the value of this parameter is zero the | |
2632 | # SCSI command completion time is not used for controlling I/O queue depth. When | |
2633 | # the parameter is set to a non-zero value, the I/O queue depth is controlled | |
2634 | # to limit the I/O completion time to the parameter value. | |
2635 | # The value is set in milliseconds. | |
2636 | */ | |
2637 | static int lpfc_max_scsicmpl_time; | |
2638 | module_param(lpfc_max_scsicmpl_time, int, 0); | |
2639 | MODULE_PARM_DESC(lpfc_max_scsicmpl_time, | |
2640 | "Use command completion time to control queue depth"); | |
2641 | lpfc_vport_param_show(max_scsicmpl_time); | |
2642 | lpfc_vport_param_init(max_scsicmpl_time, 0, 0, 60000); | |
2643 | static int | |
2644 | lpfc_max_scsicmpl_time_set(struct lpfc_vport *vport, int val) | |
2645 | { | |
2646 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
2647 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
2648 | ||
2649 | if (val == vport->cfg_max_scsicmpl_time) | |
2650 | return 0; | |
2651 | if ((val < 0) || (val > 60000)) | |
2652 | return -EINVAL; | |
2653 | vport->cfg_max_scsicmpl_time = val; | |
2654 | ||
2655 | spin_lock_irq(shost->host_lock); | |
2656 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { | |
2657 | if (!NLP_CHK_NODE_ACT(ndlp)) | |
2658 | continue; | |
2659 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) | |
2660 | continue; | |
2661 | ndlp->cmd_qdepth = LPFC_MAX_TGT_QDEPTH; | |
2662 | } | |
2663 | spin_unlock_irq(shost->host_lock); | |
2664 | return 0; | |
2665 | } | |
2666 | lpfc_vport_param_store(max_scsicmpl_time); | |
2667 | static DEVICE_ATTR(lpfc_max_scsicmpl_time, S_IRUGO | S_IWUSR, | |
2668 | lpfc_max_scsicmpl_time_show, | |
2669 | lpfc_max_scsicmpl_time_store); | |
2670 | ||
dea3101e JB |
2671 | /* |
2672 | # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value | |
2673 | # range is [0,1]. Default value is 0. | |
2674 | */ | |
2675 | LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support"); | |
2676 | ||
2677 | /* | |
2678 | # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing | |
2679 | # cr_delay (msec) or cr_count outstanding commands. cr_delay can take | |
7054a606 | 2680 | # value [0,63]. cr_count can take value [1,255]. Default value of cr_delay |
dea3101e JB |
2681 | # is 0. Default value of cr_count is 1. The cr_count feature is disabled if |
2682 | # cr_delay is set to 0. | |
2683 | */ | |
8189fd19 | 2684 | LPFC_ATTR_RW(cr_delay, 0, 0, 63, "A count of milliseconds after which an " |
dea3101e JB |
2685 | "interrupt response is generated"); |
2686 | ||
8189fd19 | 2687 | LPFC_ATTR_RW(cr_count, 1, 1, 255, "A count of I/O completions after which an " |
dea3101e JB |
2688 | "interrupt response is generated"); |
2689 | ||
cf5bf97e JW |
2690 | /* |
2691 | # lpfc_multi_ring_support: Determines how many rings to spread available | |
2692 | # cmd/rsp IOCB entries across. | |
2693 | # Value range is [1,2]. Default value is 1. | |
2694 | */ | |
2695 | LPFC_ATTR_R(multi_ring_support, 1, 1, 2, "Determines number of primary " | |
2696 | "SLI rings to spread IOCB entries across"); | |
2697 | ||
a4bc3379 JS |
2698 | /* |
2699 | # lpfc_multi_ring_rctl: If lpfc_multi_ring_support is enabled, this | |
2700 | # identifies what rctl value to configure the additional ring for. | |
2701 | # Value range is [1,0xff]. Default value is 4 (Unsolicated Data). | |
2702 | */ | |
2703 | LPFC_ATTR_R(multi_ring_rctl, FC_UNSOL_DATA, 1, | |
2704 | 255, "Identifies RCTL for additional ring configuration"); | |
2705 | ||
2706 | /* | |
2707 | # lpfc_multi_ring_type: If lpfc_multi_ring_support is enabled, this | |
2708 | # identifies what type value to configure the additional ring for. | |
2709 | # Value range is [1,0xff]. Default value is 5 (LLC/SNAP). | |
2710 | */ | |
2711 | LPFC_ATTR_R(multi_ring_type, FC_LLC_SNAP, 1, | |
2712 | 255, "Identifies TYPE for additional ring configuration"); | |
2713 | ||
dea3101e JB |
2714 | /* |
2715 | # lpfc_fdmi_on: controls FDMI support. | |
2716 | # 0 = no FDMI support | |
2717 | # 1 = support FDMI without attribute of hostname | |
2718 | # 2 = support FDMI with attribute of hostname | |
2719 | # Value range [0,2]. Default value is 0. | |
2720 | */ | |
3de2a653 | 2721 | LPFC_VPORT_ATTR_RW(fdmi_on, 0, 0, 2, "Enable FDMI support"); |
dea3101e JB |
2722 | |
2723 | /* | |
2724 | # Specifies the maximum number of ELS cmds we can have outstanding (for | |
2725 | # discovery). Value range is [1,64]. Default value = 32. | |
2726 | */ | |
3de2a653 | 2727 | LPFC_VPORT_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands " |
dea3101e JB |
2728 | "during discovery"); |
2729 | ||
2730 | /* | |
65a29c16 JS |
2731 | # lpfc_max_luns: maximum allowed LUN. |
2732 | # Value range is [0,65535]. Default value is 255. | |
2733 | # NOTE: The SCSI layer might probe all allowed LUN on some old targets. | |
dea3101e | 2734 | */ |
3de2a653 | 2735 | LPFC_VPORT_ATTR_R(max_luns, 255, 0, 65535, "Maximum allowed LUN"); |
dea3101e | 2736 | |
875fbdfe JSEC |
2737 | /* |
2738 | # lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring. | |
2739 | # Value range is [1,255], default value is 10. | |
2740 | */ | |
2741 | LPFC_ATTR_RW(poll_tmo, 10, 1, 255, | |
2742 | "Milliseconds driver will wait between polling FCP ring"); | |
2743 | ||
4ff43246 JS |
2744 | /* |
2745 | # lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that | |
2746 | # support this feature | |
9399627f | 2747 | # 0 = MSI disabled |
4ff43246 | 2748 | # 1 = MSI enabled |
9399627f JS |
2749 | # 2 = MSI-X enabled (default) |
2750 | # Value range is [0,2]. Default value is 2. | |
4ff43246 | 2751 | */ |
9399627f | 2752 | LPFC_ATTR_R(use_msi, 2, 0, 2, "Use Message Signaled Interrupts (1) or " |
db2378e0 | 2753 | "MSI-X (2), if possible"); |
4ff43246 | 2754 | |
13815c83 JS |
2755 | /* |
2756 | # lpfc_enable_hba_reset: Allow or prevent HBA resets to the hardware. | |
2757 | # 0 = HBA resets disabled | |
2758 | # 1 = HBA resets enabled (default) | |
2759 | # Value range is [0,1]. Default value is 1. | |
2760 | */ | |
2761 | LPFC_ATTR_R(enable_hba_reset, 1, 0, 1, "Enable HBA resets from the driver."); | |
c3f28afa | 2762 | |
13815c83 JS |
2763 | /* |
2764 | # lpfc_enable_hba_heartbeat: Enable HBA heartbeat timer.. | |
2765 | # 0 = HBA Heartbeat disabled | |
2766 | # 1 = HBA Heartbeat enabled (default) | |
2767 | # Value range is [0,1]. Default value is 1. | |
2768 | */ | |
2769 | LPFC_ATTR_R(enable_hba_heartbeat, 1, 0, 1, "Enable HBA Heartbeat."); | |
92d7f7b0 | 2770 | |
83108bd3 JS |
2771 | /* |
2772 | * lpfc_sg_seg_cnt: Initial Maximum DMA Segment Count | |
2773 | * This value can be set to values between 64 and 256. The default value is | |
2774 | * 64, but may be increased to allow for larger Max I/O sizes. The scsi layer | |
2775 | * will be allowed to request I/Os of sizes up to (MAX_SEG_COUNT * SEG_SIZE). | |
2776 | */ | |
2777 | LPFC_ATTR_R(sg_seg_cnt, LPFC_DEFAULT_SG_SEG_CNT, LPFC_DEFAULT_SG_SEG_CNT, | |
2778 | LPFC_MAX_SG_SEG_CNT, "Max Scatter Gather Segment Count"); | |
2779 | ||
ee959b00 TJ |
2780 | struct device_attribute *lpfc_hba_attrs[] = { |
2781 | &dev_attr_info, | |
2782 | &dev_attr_serialnum, | |
2783 | &dev_attr_modeldesc, | |
2784 | &dev_attr_modelname, | |
2785 | &dev_attr_programtype, | |
2786 | &dev_attr_portnum, | |
2787 | &dev_attr_fwrev, | |
2788 | &dev_attr_hdw, | |
2789 | &dev_attr_option_rom_version, | |
bbd1ae41 | 2790 | &dev_attr_link_state, |
ee959b00 | 2791 | &dev_attr_num_discovered_ports, |
84774a4d | 2792 | &dev_attr_menlo_mgmt_mode, |
ee959b00 TJ |
2793 | &dev_attr_lpfc_drvr_version, |
2794 | &dev_attr_lpfc_temp_sensor, | |
2795 | &dev_attr_lpfc_log_verbose, | |
2796 | &dev_attr_lpfc_lun_queue_depth, | |
2797 | &dev_attr_lpfc_hba_queue_depth, | |
2798 | &dev_attr_lpfc_peer_port_login, | |
2799 | &dev_attr_lpfc_nodev_tmo, | |
2800 | &dev_attr_lpfc_devloss_tmo, | |
2801 | &dev_attr_lpfc_fcp_class, | |
2802 | &dev_attr_lpfc_use_adisc, | |
2803 | &dev_attr_lpfc_ack0, | |
2804 | &dev_attr_lpfc_topology, | |
2805 | &dev_attr_lpfc_scan_down, | |
2806 | &dev_attr_lpfc_link_speed, | |
2807 | &dev_attr_lpfc_cr_delay, | |
2808 | &dev_attr_lpfc_cr_count, | |
2809 | &dev_attr_lpfc_multi_ring_support, | |
2810 | &dev_attr_lpfc_multi_ring_rctl, | |
2811 | &dev_attr_lpfc_multi_ring_type, | |
2812 | &dev_attr_lpfc_fdmi_on, | |
2813 | &dev_attr_lpfc_max_luns, | |
2814 | &dev_attr_lpfc_enable_npiv, | |
2815 | &dev_attr_nport_evt_cnt, | |
2816 | &dev_attr_board_mode, | |
2817 | &dev_attr_max_vpi, | |
2818 | &dev_attr_used_vpi, | |
2819 | &dev_attr_max_rpi, | |
2820 | &dev_attr_used_rpi, | |
2821 | &dev_attr_max_xri, | |
2822 | &dev_attr_used_xri, | |
2823 | &dev_attr_npiv_info, | |
2824 | &dev_attr_issue_reset, | |
2825 | &dev_attr_lpfc_poll, | |
2826 | &dev_attr_lpfc_poll_tmo, | |
2827 | &dev_attr_lpfc_use_msi, | |
2828 | &dev_attr_lpfc_soft_wwnn, | |
2829 | &dev_attr_lpfc_soft_wwpn, | |
2830 | &dev_attr_lpfc_soft_wwn_enable, | |
2831 | &dev_attr_lpfc_enable_hba_reset, | |
2832 | &dev_attr_lpfc_enable_hba_heartbeat, | |
2833 | &dev_attr_lpfc_sg_seg_cnt, | |
977b5a0a | 2834 | &dev_attr_lpfc_max_scsicmpl_time, |
ea2151b4 | 2835 | &dev_attr_lpfc_stat_data_ctrl, |
dea3101e JB |
2836 | NULL, |
2837 | }; | |
2838 | ||
ee959b00 TJ |
2839 | struct device_attribute *lpfc_vport_attrs[] = { |
2840 | &dev_attr_info, | |
bbd1ae41 | 2841 | &dev_attr_link_state, |
ee959b00 TJ |
2842 | &dev_attr_num_discovered_ports, |
2843 | &dev_attr_lpfc_drvr_version, | |
2844 | &dev_attr_lpfc_log_verbose, | |
2845 | &dev_attr_lpfc_lun_queue_depth, | |
2846 | &dev_attr_lpfc_nodev_tmo, | |
2847 | &dev_attr_lpfc_devloss_tmo, | |
2848 | &dev_attr_lpfc_hba_queue_depth, | |
2849 | &dev_attr_lpfc_peer_port_login, | |
2850 | &dev_attr_lpfc_restrict_login, | |
2851 | &dev_attr_lpfc_fcp_class, | |
2852 | &dev_attr_lpfc_use_adisc, | |
2853 | &dev_attr_lpfc_fdmi_on, | |
2854 | &dev_attr_lpfc_max_luns, | |
2855 | &dev_attr_nport_evt_cnt, | |
2856 | &dev_attr_npiv_info, | |
2857 | &dev_attr_lpfc_enable_da_id, | |
ea2151b4 JS |
2858 | &dev_attr_lpfc_max_scsicmpl_time, |
2859 | &dev_attr_lpfc_stat_data_ctrl, | |
3de2a653 JS |
2860 | NULL, |
2861 | }; | |
2862 | ||
e59058c4 JS |
2863 | /** |
2864 | * sysfs_ctlreg_write: Write method for writing to ctlreg. | |
2865 | * @kobj: kernel kobject that contains the kernel class device. | |
2866 | * @bin_attr: kernel attributes passed to us. | |
2867 | * @buf: contains the data to be written to the adapter IOREG space. | |
2868 | * @off: offset into buffer to beginning of data. | |
2869 | * @count: bytes to transfer. | |
2870 | * | |
2871 | * Description: | |
2872 | * Accessed via /sys/class/scsi_host/hostxxx/ctlreg. | |
2873 | * Uses the adapter io control registers to send buf contents to the adapter. | |
2874 | * | |
2875 | * Returns: | |
2876 | * -ERANGE off and count combo out of range | |
2877 | * -EINVAL off, count or buff address invalid | |
2878 | * -EPERM adapter is offline | |
2879 | * value of count, buf contents written | |
2880 | **/ | |
dea3101e | 2881 | static ssize_t |
91a69029 ZR |
2882 | sysfs_ctlreg_write(struct kobject *kobj, struct bin_attribute *bin_attr, |
2883 | char *buf, loff_t off, size_t count) | |
dea3101e JB |
2884 | { |
2885 | size_t buf_off; | |
ee959b00 TJ |
2886 | struct device *dev = container_of(kobj, struct device, kobj); |
2887 | struct Scsi_Host *shost = class_to_shost(dev); | |
2e0fef85 JS |
2888 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
2889 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
2890 | |
2891 | if ((off + count) > FF_REG_AREA_SIZE) | |
2892 | return -ERANGE; | |
2893 | ||
2894 | if (count == 0) return 0; | |
2895 | ||
2896 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
2897 | return -EINVAL; | |
2898 | ||
2e0fef85 | 2899 | if (!(vport->fc_flag & FC_OFFLINE_MODE)) { |
dea3101e JB |
2900 | return -EPERM; |
2901 | } | |
2902 | ||
2e0fef85 | 2903 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
2904 | for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) |
2905 | writel(*((uint32_t *)(buf + buf_off)), | |
2906 | phba->ctrl_regs_memmap_p + off + buf_off); | |
2907 | ||
2e0fef85 | 2908 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
2909 | |
2910 | return count; | |
2911 | } | |
2912 | ||
e59058c4 JS |
2913 | /** |
2914 | * sysfs_ctlreg_read: Read method for reading from ctlreg. | |
2915 | * @kobj: kernel kobject that contains the kernel class device. | |
2916 | * @bin_attr: kernel attributes passed to us. | |
2917 | * @buf: if succesful contains the data from the adapter IOREG space. | |
2918 | * @off: offset into buffer to beginning of data. | |
2919 | * @count: bytes to transfer. | |
2920 | * | |
2921 | * Description: | |
2922 | * Accessed via /sys/class/scsi_host/hostxxx/ctlreg. | |
2923 | * Uses the adapter io control registers to read data into buf. | |
2924 | * | |
2925 | * Returns: | |
2926 | * -ERANGE off and count combo out of range | |
2927 | * -EINVAL off, count or buff address invalid | |
2928 | * value of count, buf contents read | |
2929 | **/ | |
dea3101e | 2930 | static ssize_t |
91a69029 ZR |
2931 | sysfs_ctlreg_read(struct kobject *kobj, struct bin_attribute *bin_attr, |
2932 | char *buf, loff_t off, size_t count) | |
dea3101e JB |
2933 | { |
2934 | size_t buf_off; | |
2935 | uint32_t * tmp_ptr; | |
ee959b00 TJ |
2936 | struct device *dev = container_of(kobj, struct device, kobj); |
2937 | struct Scsi_Host *shost = class_to_shost(dev); | |
2e0fef85 JS |
2938 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
2939 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
2940 | |
2941 | if (off > FF_REG_AREA_SIZE) | |
2942 | return -ERANGE; | |
2943 | ||
2944 | if ((off + count) > FF_REG_AREA_SIZE) | |
2945 | count = FF_REG_AREA_SIZE - off; | |
2946 | ||
2947 | if (count == 0) return 0; | |
2948 | ||
2949 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
2950 | return -EINVAL; | |
2951 | ||
2e0fef85 | 2952 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
2953 | |
2954 | for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) { | |
2955 | tmp_ptr = (uint32_t *)(buf + buf_off); | |
2956 | *tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off); | |
2957 | } | |
2958 | ||
2e0fef85 | 2959 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
2960 | |
2961 | return count; | |
2962 | } | |
2963 | ||
2964 | static struct bin_attribute sysfs_ctlreg_attr = { | |
2965 | .attr = { | |
2966 | .name = "ctlreg", | |
2967 | .mode = S_IRUSR | S_IWUSR, | |
dea3101e JB |
2968 | }, |
2969 | .size = 256, | |
2970 | .read = sysfs_ctlreg_read, | |
2971 | .write = sysfs_ctlreg_write, | |
2972 | }; | |
2973 | ||
e59058c4 JS |
2974 | /** |
2975 | * sysfs_mbox_idle: frees the sysfs mailbox. | |
2976 | * @phba: lpfc_hba pointer | |
2977 | **/ | |
dea3101e | 2978 | static void |
2e0fef85 | 2979 | sysfs_mbox_idle(struct lpfc_hba *phba) |
dea3101e JB |
2980 | { |
2981 | phba->sysfs_mbox.state = SMBOX_IDLE; | |
2982 | phba->sysfs_mbox.offset = 0; | |
2983 | ||
2984 | if (phba->sysfs_mbox.mbox) { | |
2985 | mempool_free(phba->sysfs_mbox.mbox, | |
2986 | phba->mbox_mem_pool); | |
2987 | phba->sysfs_mbox.mbox = NULL; | |
2988 | } | |
2989 | } | |
2990 | ||
e59058c4 JS |
2991 | /** |
2992 | * sysfs_mbox_write: Write method for writing information via mbox. | |
2993 | * @kobj: kernel kobject that contains the kernel class device. | |
2994 | * @bin_attr: kernel attributes passed to us. | |
2995 | * @buf: contains the data to be written to sysfs mbox. | |
2996 | * @off: offset into buffer to beginning of data. | |
2997 | * @count: bytes to transfer. | |
2998 | * | |
2999 | * Description: | |
3000 | * Accessed via /sys/class/scsi_host/hostxxx/mbox. | |
3001 | * Uses the sysfs mbox to send buf contents to the adapter. | |
3002 | * | |
3003 | * Returns: | |
3004 | * -ERANGE off and count combo out of range | |
3005 | * -EINVAL off, count or buff address invalid | |
3006 | * zero if count is zero | |
3007 | * -EPERM adapter is offline | |
3008 | * -ENOMEM failed to allocate memory for the mail box | |
3009 | * -EAGAIN offset, state or mbox is NULL | |
3010 | * count number of bytes transferred | |
3011 | **/ | |
dea3101e | 3012 | static ssize_t |
91a69029 ZR |
3013 | sysfs_mbox_write(struct kobject *kobj, struct bin_attribute *bin_attr, |
3014 | char *buf, loff_t off, size_t count) | |
dea3101e | 3015 | { |
ee959b00 TJ |
3016 | struct device *dev = container_of(kobj, struct device, kobj); |
3017 | struct Scsi_Host *shost = class_to_shost(dev); | |
2e0fef85 JS |
3018 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3019 | struct lpfc_hba *phba = vport->phba; | |
3020 | struct lpfcMboxq *mbox = NULL; | |
dea3101e JB |
3021 | |
3022 | if ((count + off) > MAILBOX_CMD_SIZE) | |
3023 | return -ERANGE; | |
3024 | ||
3025 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
3026 | return -EINVAL; | |
3027 | ||
3028 | if (count == 0) | |
3029 | return 0; | |
3030 | ||
3031 | if (off == 0) { | |
3032 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
3033 | if (!mbox) | |
3034 | return -ENOMEM; | |
fc6c12bc | 3035 | memset(mbox, 0, sizeof (LPFC_MBOXQ_t)); |
dea3101e JB |
3036 | } |
3037 | ||
2e0fef85 | 3038 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
3039 | |
3040 | if (off == 0) { | |
3041 | if (phba->sysfs_mbox.mbox) | |
3042 | mempool_free(mbox, phba->mbox_mem_pool); | |
3043 | else | |
3044 | phba->sysfs_mbox.mbox = mbox; | |
3045 | phba->sysfs_mbox.state = SMBOX_WRITING; | |
3046 | } else { | |
3047 | if (phba->sysfs_mbox.state != SMBOX_WRITING || | |
3048 | phba->sysfs_mbox.offset != off || | |
92d7f7b0 | 3049 | phba->sysfs_mbox.mbox == NULL) { |
dea3101e | 3050 | sysfs_mbox_idle(phba); |
2e0fef85 | 3051 | spin_unlock_irq(&phba->hbalock); |
8f6d98d2 | 3052 | return -EAGAIN; |
dea3101e JB |
3053 | } |
3054 | } | |
3055 | ||
3056 | memcpy((uint8_t *) & phba->sysfs_mbox.mbox->mb + off, | |
3057 | buf, count); | |
3058 | ||
3059 | phba->sysfs_mbox.offset = off + count; | |
3060 | ||
2e0fef85 | 3061 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
3062 | |
3063 | return count; | |
3064 | } | |
3065 | ||
e59058c4 JS |
3066 | /** |
3067 | * sysfs_mbox_read: Read method for reading information via mbox. | |
3068 | * @kobj: kernel kobject that contains the kernel class device. | |
3069 | * @bin_attr: kernel attributes passed to us. | |
3070 | * @buf: contains the data to be read from sysfs mbox. | |
3071 | * @off: offset into buffer to beginning of data. | |
3072 | * @count: bytes to transfer. | |
3073 | * | |
3074 | * Description: | |
3075 | * Accessed via /sys/class/scsi_host/hostxxx/mbox. | |
3076 | * Uses the sysfs mbox to receive data from to the adapter. | |
3077 | * | |
3078 | * Returns: | |
3079 | * -ERANGE off greater than mailbox command size | |
3080 | * -EINVAL off, count or buff address invalid | |
3081 | * zero if off and count are zero | |
3082 | * -EACCES adapter over temp | |
3083 | * -EPERM garbage can value to catch a multitude of errors | |
3084 | * -EAGAIN management IO not permitted, state or off error | |
3085 | * -ETIME mailbox timeout | |
3086 | * -ENODEV mailbox error | |
3087 | * count number of bytes transferred | |
3088 | **/ | |
dea3101e | 3089 | static ssize_t |
91a69029 ZR |
3090 | sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr, |
3091 | char *buf, loff_t off, size_t count) | |
dea3101e | 3092 | { |
ee959b00 TJ |
3093 | struct device *dev = container_of(kobj, struct device, kobj); |
3094 | struct Scsi_Host *shost = class_to_shost(dev); | |
2e0fef85 JS |
3095 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3096 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
3097 | int rc; |
3098 | ||
1dcb58e5 | 3099 | if (off > MAILBOX_CMD_SIZE) |
dea3101e JB |
3100 | return -ERANGE; |
3101 | ||
1dcb58e5 JS |
3102 | if ((count + off) > MAILBOX_CMD_SIZE) |
3103 | count = MAILBOX_CMD_SIZE - off; | |
dea3101e JB |
3104 | |
3105 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
3106 | return -EINVAL; | |
3107 | ||
3108 | if (off && count == 0) | |
3109 | return 0; | |
3110 | ||
2e0fef85 | 3111 | spin_lock_irq(&phba->hbalock); |
dea3101e | 3112 | |
7af67051 JS |
3113 | if (phba->over_temp_state == HBA_OVER_TEMP) { |
3114 | sysfs_mbox_idle(phba); | |
3115 | spin_unlock_irq(&phba->hbalock); | |
09372820 | 3116 | return -EACCES; |
7af67051 JS |
3117 | } |
3118 | ||
dea3101e JB |
3119 | if (off == 0 && |
3120 | phba->sysfs_mbox.state == SMBOX_WRITING && | |
3121 | phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) { | |
3122 | ||
3123 | switch (phba->sysfs_mbox.mbox->mb.mbxCommand) { | |
3124 | /* Offline only */ | |
dea3101e JB |
3125 | case MBX_INIT_LINK: |
3126 | case MBX_DOWN_LINK: | |
3127 | case MBX_CONFIG_LINK: | |
3128 | case MBX_CONFIG_RING: | |
3129 | case MBX_RESET_RING: | |
3130 | case MBX_UNREG_LOGIN: | |
3131 | case MBX_CLEAR_LA: | |
3132 | case MBX_DUMP_CONTEXT: | |
3133 | case MBX_RUN_DIAGS: | |
3134 | case MBX_RESTART: | |
dea3101e | 3135 | case MBX_SET_MASK: |
dea3101e | 3136 | case MBX_SET_DEBUG: |
2e0fef85 | 3137 | if (!(vport->fc_flag & FC_OFFLINE_MODE)) { |
dea3101e JB |
3138 | printk(KERN_WARNING "mbox_read:Command 0x%x " |
3139 | "is illegal in on-line state\n", | |
3140 | phba->sysfs_mbox.mbox->mb.mbxCommand); | |
3141 | sysfs_mbox_idle(phba); | |
2e0fef85 | 3142 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
3143 | return -EPERM; |
3144 | } | |
a8adb832 JS |
3145 | case MBX_WRITE_NV: |
3146 | case MBX_WRITE_VPARMS: | |
dea3101e JB |
3147 | case MBX_LOAD_SM: |
3148 | case MBX_READ_NV: | |
3149 | case MBX_READ_CONFIG: | |
3150 | case MBX_READ_RCONFIG: | |
3151 | case MBX_READ_STATUS: | |
3152 | case MBX_READ_XRI: | |
3153 | case MBX_READ_REV: | |
3154 | case MBX_READ_LNK_STAT: | |
3155 | case MBX_DUMP_MEMORY: | |
3156 | case MBX_DOWN_LOAD: | |
3157 | case MBX_UPDATE_CFG: | |
41415862 | 3158 | case MBX_KILL_BOARD: |
dea3101e JB |
3159 | case MBX_LOAD_AREA: |
3160 | case MBX_LOAD_EXP_ROM: | |
41415862 JW |
3161 | case MBX_BEACON: |
3162 | case MBX_DEL_LD_ENTRY: | |
09372820 JS |
3163 | case MBX_SET_VARIABLE: |
3164 | case MBX_WRITE_WWN: | |
84774a4d JS |
3165 | case MBX_PORT_CAPABILITIES: |
3166 | case MBX_PORT_IOV_CONTROL: | |
dea3101e JB |
3167 | break; |
3168 | case MBX_READ_SPARM64: | |
3169 | case MBX_READ_LA: | |
3170 | case MBX_READ_LA64: | |
3171 | case MBX_REG_LOGIN: | |
3172 | case MBX_REG_LOGIN64: | |
3173 | case MBX_CONFIG_PORT: | |
3174 | case MBX_RUN_BIU_DIAG: | |
3175 | printk(KERN_WARNING "mbox_read: Illegal Command 0x%x\n", | |
3176 | phba->sysfs_mbox.mbox->mb.mbxCommand); | |
3177 | sysfs_mbox_idle(phba); | |
2e0fef85 | 3178 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
3179 | return -EPERM; |
3180 | default: | |
3181 | printk(KERN_WARNING "mbox_read: Unknown Command 0x%x\n", | |
3182 | phba->sysfs_mbox.mbox->mb.mbxCommand); | |
3183 | sysfs_mbox_idle(phba); | |
2e0fef85 | 3184 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
3185 | return -EPERM; |
3186 | } | |
3187 | ||
09372820 | 3188 | /* If HBA encountered an error attention, allow only DUMP |
1b32f6aa | 3189 | * or RESTART mailbox commands until the HBA is restarted. |
09372820 | 3190 | */ |
d7c255b2 JS |
3191 | if (phba->pport->stopped && |
3192 | phba->sysfs_mbox.mbox->mb.mbxCommand != MBX_DUMP_MEMORY && | |
3193 | phba->sysfs_mbox.mbox->mb.mbxCommand != MBX_RESTART && | |
3194 | phba->sysfs_mbox.mbox->mb.mbxCommand != MBX_WRITE_VPARMS && | |
3195 | phba->sysfs_mbox.mbox->mb.mbxCommand != MBX_WRITE_WWN) | |
3196 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, | |
3197 | "1259 mbox: Issued mailbox cmd " | |
3198 | "0x%x while in stopped state.\n", | |
3199 | phba->sysfs_mbox.mbox->mb.mbxCommand); | |
09372820 | 3200 | |
92d7f7b0 JS |
3201 | phba->sysfs_mbox.mbox->vport = vport; |
3202 | ||
58da1ffb JS |
3203 | /* Don't allow mailbox commands to be sent when blocked |
3204 | * or when in the middle of discovery | |
3205 | */ | |
495a714c | 3206 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) { |
46fa311e | 3207 | sysfs_mbox_idle(phba); |
2e0fef85 | 3208 | spin_unlock_irq(&phba->hbalock); |
46fa311e JS |
3209 | return -EAGAIN; |
3210 | } | |
3211 | ||
2e0fef85 | 3212 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
dea3101e JB |
3213 | (!(phba->sli.sli_flag & LPFC_SLI2_ACTIVE))){ |
3214 | ||
2e0fef85 | 3215 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
3216 | rc = lpfc_sli_issue_mbox (phba, |
3217 | phba->sysfs_mbox.mbox, | |
3218 | MBX_POLL); | |
2e0fef85 | 3219 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
3220 | |
3221 | } else { | |
2e0fef85 | 3222 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
3223 | rc = lpfc_sli_issue_mbox_wait (phba, |
3224 | phba->sysfs_mbox.mbox, | |
a309a6b6 JS |
3225 | lpfc_mbox_tmo_val(phba, |
3226 | phba->sysfs_mbox.mbox->mb.mbxCommand) * HZ); | |
2e0fef85 | 3227 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
3228 | } |
3229 | ||
3230 | if (rc != MBX_SUCCESS) { | |
1dcb58e5 | 3231 | if (rc == MBX_TIMEOUT) { |
1dcb58e5 JS |
3232 | phba->sysfs_mbox.mbox = NULL; |
3233 | } | |
dea3101e | 3234 | sysfs_mbox_idle(phba); |
2e0fef85 | 3235 | spin_unlock_irq(&phba->hbalock); |
8f6d98d2 | 3236 | return (rc == MBX_TIMEOUT) ? -ETIME : -ENODEV; |
dea3101e JB |
3237 | } |
3238 | phba->sysfs_mbox.state = SMBOX_READING; | |
3239 | } | |
3240 | else if (phba->sysfs_mbox.offset != off || | |
3241 | phba->sysfs_mbox.state != SMBOX_READING) { | |
3242 | printk(KERN_WARNING "mbox_read: Bad State\n"); | |
3243 | sysfs_mbox_idle(phba); | |
2e0fef85 | 3244 | spin_unlock_irq(&phba->hbalock); |
8f6d98d2 | 3245 | return -EAGAIN; |
dea3101e JB |
3246 | } |
3247 | ||
3248 | memcpy(buf, (uint8_t *) & phba->sysfs_mbox.mbox->mb + off, count); | |
3249 | ||
3250 | phba->sysfs_mbox.offset = off + count; | |
3251 | ||
1dcb58e5 | 3252 | if (phba->sysfs_mbox.offset == MAILBOX_CMD_SIZE) |
dea3101e JB |
3253 | sysfs_mbox_idle(phba); |
3254 | ||
2e0fef85 | 3255 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
3256 | |
3257 | return count; | |
3258 | } | |
3259 | ||
3260 | static struct bin_attribute sysfs_mbox_attr = { | |
3261 | .attr = { | |
3262 | .name = "mbox", | |
3263 | .mode = S_IRUSR | S_IWUSR, | |
dea3101e | 3264 | }, |
1dcb58e5 | 3265 | .size = MAILBOX_CMD_SIZE, |
dea3101e JB |
3266 | .read = sysfs_mbox_read, |
3267 | .write = sysfs_mbox_write, | |
3268 | }; | |
3269 | ||
e59058c4 | 3270 | /** |
84774a4d | 3271 | * lpfc_alloc_sysfs_attr: Creates the ctlreg and mbox entries. |
e59058c4 JS |
3272 | * @vport: address of lpfc vport structure. |
3273 | * | |
3274 | * Return codes: | |
3275 | * zero on success | |
3276 | * error return code from sysfs_create_bin_file() | |
3277 | **/ | |
dea3101e | 3278 | int |
2e0fef85 | 3279 | lpfc_alloc_sysfs_attr(struct lpfc_vport *vport) |
dea3101e | 3280 | { |
2e0fef85 | 3281 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e JB |
3282 | int error; |
3283 | ||
ee959b00 | 3284 | error = sysfs_create_bin_file(&shost->shost_dev.kobj, |
92d7f7b0 | 3285 | &sysfs_ctlreg_attr); |
dea3101e JB |
3286 | if (error) |
3287 | goto out; | |
3288 | ||
ee959b00 | 3289 | error = sysfs_create_bin_file(&shost->shost_dev.kobj, |
92d7f7b0 | 3290 | &sysfs_mbox_attr); |
dea3101e JB |
3291 | if (error) |
3292 | goto out_remove_ctlreg_attr; | |
3293 | ||
ea2151b4 JS |
3294 | error = sysfs_create_bin_file(&shost->shost_dev.kobj, |
3295 | &sysfs_drvr_stat_data_attr); | |
3296 | if (error) | |
3297 | goto out_remove_mbox_attr; | |
3298 | ||
dea3101e | 3299 | return 0; |
ea2151b4 JS |
3300 | out_remove_mbox_attr: |
3301 | sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_mbox_attr); | |
dea3101e | 3302 | out_remove_ctlreg_attr: |
ee959b00 | 3303 | sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr); |
dea3101e JB |
3304 | out: |
3305 | return error; | |
3306 | } | |
3307 | ||
e59058c4 | 3308 | /** |
84774a4d | 3309 | * lpfc_free_sysfs_attr: Removes the ctlreg and mbox entries. |
e59058c4 JS |
3310 | * @vport: address of lpfc vport structure. |
3311 | **/ | |
dea3101e | 3312 | void |
2e0fef85 | 3313 | lpfc_free_sysfs_attr(struct lpfc_vport *vport) |
dea3101e | 3314 | { |
2e0fef85 | 3315 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
ea2151b4 JS |
3316 | sysfs_remove_bin_file(&shost->shost_dev.kobj, |
3317 | &sysfs_drvr_stat_data_attr); | |
ee959b00 TJ |
3318 | sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_mbox_attr); |
3319 | sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr); | |
dea3101e JB |
3320 | } |
3321 | ||
3322 | ||
3323 | /* | |
3324 | * Dynamic FC Host Attributes Support | |
3325 | */ | |
3326 | ||
e59058c4 JS |
3327 | /** |
3328 | * lpfc_get_host_port_id: Copy the vport DID into the scsi host port id. | |
3329 | * @shost: kernel scsi host pointer. | |
3330 | **/ | |
dea3101e JB |
3331 | static void |
3332 | lpfc_get_host_port_id(struct Scsi_Host *shost) | |
3333 | { | |
2e0fef85 JS |
3334 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3335 | ||
dea3101e | 3336 | /* note: fc_myDID already in cpu endianness */ |
2e0fef85 | 3337 | fc_host_port_id(shost) = vport->fc_myDID; |
dea3101e JB |
3338 | } |
3339 | ||
e59058c4 JS |
3340 | /** |
3341 | * lpfc_get_host_port_type: Set the value of the scsi host port type. | |
3342 | * @shost: kernel scsi host pointer. | |
3343 | **/ | |
dea3101e JB |
3344 | static void |
3345 | lpfc_get_host_port_type(struct Scsi_Host *shost) | |
3346 | { | |
2e0fef85 JS |
3347 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3348 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
3349 | |
3350 | spin_lock_irq(shost->host_lock); | |
3351 | ||
92d7f7b0 JS |
3352 | if (vport->port_type == LPFC_NPIV_PORT) { |
3353 | fc_host_port_type(shost) = FC_PORTTYPE_NPIV; | |
3354 | } else if (lpfc_is_link_up(phba)) { | |
dea3101e | 3355 | if (phba->fc_topology == TOPOLOGY_LOOP) { |
2e0fef85 | 3356 | if (vport->fc_flag & FC_PUBLIC_LOOP) |
dea3101e JB |
3357 | fc_host_port_type(shost) = FC_PORTTYPE_NLPORT; |
3358 | else | |
3359 | fc_host_port_type(shost) = FC_PORTTYPE_LPORT; | |
3360 | } else { | |
2e0fef85 | 3361 | if (vport->fc_flag & FC_FABRIC) |
dea3101e JB |
3362 | fc_host_port_type(shost) = FC_PORTTYPE_NPORT; |
3363 | else | |
3364 | fc_host_port_type(shost) = FC_PORTTYPE_PTP; | |
3365 | } | |
3366 | } else | |
3367 | fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN; | |
3368 | ||
3369 | spin_unlock_irq(shost->host_lock); | |
3370 | } | |
3371 | ||
e59058c4 JS |
3372 | /** |
3373 | * lpfc_get_host_port_state: Set the value of the scsi host port state. | |
3374 | * @shost: kernel scsi host pointer. | |
3375 | **/ | |
dea3101e JB |
3376 | static void |
3377 | lpfc_get_host_port_state(struct Scsi_Host *shost) | |
3378 | { | |
2e0fef85 JS |
3379 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3380 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
3381 | |
3382 | spin_lock_irq(shost->host_lock); | |
3383 | ||
2e0fef85 | 3384 | if (vport->fc_flag & FC_OFFLINE_MODE) |
dea3101e JB |
3385 | fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE; |
3386 | else { | |
2e0fef85 JS |
3387 | switch (phba->link_state) { |
3388 | case LPFC_LINK_UNKNOWN: | |
dea3101e JB |
3389 | case LPFC_LINK_DOWN: |
3390 | fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN; | |
3391 | break; | |
3392 | case LPFC_LINK_UP: | |
dea3101e JB |
3393 | case LPFC_CLEAR_LA: |
3394 | case LPFC_HBA_READY: | |
3395 | /* Links up, beyond this port_type reports state */ | |
3396 | fc_host_port_state(shost) = FC_PORTSTATE_ONLINE; | |
3397 | break; | |
3398 | case LPFC_HBA_ERROR: | |
3399 | fc_host_port_state(shost) = FC_PORTSTATE_ERROR; | |
3400 | break; | |
3401 | default: | |
3402 | fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN; | |
3403 | break; | |
3404 | } | |
3405 | } | |
3406 | ||
3407 | spin_unlock_irq(shost->host_lock); | |
3408 | } | |
3409 | ||
e59058c4 JS |
3410 | /** |
3411 | * lpfc_get_host_speed: Set the value of the scsi host speed. | |
3412 | * @shost: kernel scsi host pointer. | |
3413 | **/ | |
dea3101e JB |
3414 | static void |
3415 | lpfc_get_host_speed(struct Scsi_Host *shost) | |
3416 | { | |
2e0fef85 JS |
3417 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3418 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
3419 | |
3420 | spin_lock_irq(shost->host_lock); | |
3421 | ||
2e0fef85 | 3422 | if (lpfc_is_link_up(phba)) { |
dea3101e JB |
3423 | switch(phba->fc_linkspeed) { |
3424 | case LA_1GHZ_LINK: | |
3425 | fc_host_speed(shost) = FC_PORTSPEED_1GBIT; | |
3426 | break; | |
3427 | case LA_2GHZ_LINK: | |
3428 | fc_host_speed(shost) = FC_PORTSPEED_2GBIT; | |
3429 | break; | |
3430 | case LA_4GHZ_LINK: | |
3431 | fc_host_speed(shost) = FC_PORTSPEED_4GBIT; | |
3432 | break; | |
b87eab38 JS |
3433 | case LA_8GHZ_LINK: |
3434 | fc_host_speed(shost) = FC_PORTSPEED_8GBIT; | |
3435 | break; | |
dea3101e JB |
3436 | default: |
3437 | fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN; | |
3438 | break; | |
3439 | } | |
09372820 JS |
3440 | } else |
3441 | fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN; | |
dea3101e JB |
3442 | |
3443 | spin_unlock_irq(shost->host_lock); | |
3444 | } | |
3445 | ||
e59058c4 JS |
3446 | /** |
3447 | * lpfc_get_host_fabric_name: Set the value of the scsi host fabric name. | |
3448 | * @shost: kernel scsi host pointer. | |
3449 | **/ | |
dea3101e JB |
3450 | static void |
3451 | lpfc_get_host_fabric_name (struct Scsi_Host *shost) | |
3452 | { | |
2e0fef85 JS |
3453 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3454 | struct lpfc_hba *phba = vport->phba; | |
f631b4be | 3455 | u64 node_name; |
dea3101e JB |
3456 | |
3457 | spin_lock_irq(shost->host_lock); | |
3458 | ||
2e0fef85 | 3459 | if ((vport->fc_flag & FC_FABRIC) || |
dea3101e | 3460 | ((phba->fc_topology == TOPOLOGY_LOOP) && |
2e0fef85 | 3461 | (vport->fc_flag & FC_PUBLIC_LOOP))) |
68ce1eb5 | 3462 | node_name = wwn_to_u64(phba->fc_fabparam.nodeName.u.wwn); |
dea3101e JB |
3463 | else |
3464 | /* fabric is local port if there is no F/FL_Port */ | |
09372820 | 3465 | node_name = 0; |
dea3101e JB |
3466 | |
3467 | spin_unlock_irq(shost->host_lock); | |
3468 | ||
f631b4be | 3469 | fc_host_fabric_name(shost) = node_name; |
dea3101e JB |
3470 | } |
3471 | ||
e59058c4 JS |
3472 | /** |
3473 | * lpfc_get_stats: Return statistical information about the adapter. | |
3474 | * @shost: kernel scsi host pointer. | |
3475 | * | |
3476 | * Notes: | |
3477 | * NULL on error for link down, no mbox pool, sli2 active, | |
3478 | * management not allowed, memory allocation error, or mbox error. | |
3479 | * | |
3480 | * Returns: | |
3481 | * NULL for error | |
3482 | * address of the adapter host statistics | |
3483 | **/ | |
dea3101e JB |
3484 | static struct fc_host_statistics * |
3485 | lpfc_get_stats(struct Scsi_Host *shost) | |
3486 | { | |
2e0fef85 JS |
3487 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3488 | struct lpfc_hba *phba = vport->phba; | |
3489 | struct lpfc_sli *psli = &phba->sli; | |
f888ba3c | 3490 | struct fc_host_statistics *hs = &phba->link_stats; |
64ba8818 | 3491 | struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets; |
dea3101e JB |
3492 | LPFC_MBOXQ_t *pmboxq; |
3493 | MAILBOX_t *pmb; | |
64ba8818 | 3494 | unsigned long seconds; |
433c3579 | 3495 | int rc = 0; |
dea3101e | 3496 | |
92d7f7b0 JS |
3497 | /* |
3498 | * prevent udev from issuing mailbox commands until the port is | |
3499 | * configured. | |
3500 | */ | |
2e0fef85 JS |
3501 | if (phba->link_state < LPFC_LINK_DOWN || |
3502 | !phba->mbox_mem_pool || | |
3503 | (phba->sli.sli_flag & LPFC_SLI2_ACTIVE) == 0) | |
92d7f7b0 | 3504 | return NULL; |
2e0fef85 JS |
3505 | |
3506 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) | |
46fa311e JS |
3507 | return NULL; |
3508 | ||
dea3101e JB |
3509 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
3510 | if (!pmboxq) | |
3511 | return NULL; | |
3512 | memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); | |
3513 | ||
3514 | pmb = &pmboxq->mb; | |
3515 | pmb->mbxCommand = MBX_READ_STATUS; | |
3516 | pmb->mbxOwner = OWN_HOST; | |
3517 | pmboxq->context1 = NULL; | |
92d7f7b0 | 3518 | pmboxq->vport = vport; |
dea3101e | 3519 | |
2e0fef85 | 3520 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
433c3579 | 3521 | (!(psli->sli_flag & LPFC_SLI2_ACTIVE))) |
dea3101e | 3522 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
433c3579 | 3523 | else |
dea3101e JB |
3524 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); |
3525 | ||
3526 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 3527 | if (rc != MBX_TIMEOUT) |
433c3579 | 3528 | mempool_free(pmboxq, phba->mbox_mem_pool); |
dea3101e JB |
3529 | return NULL; |
3530 | } | |
3531 | ||
f888ba3c JSEC |
3532 | memset(hs, 0, sizeof (struct fc_host_statistics)); |
3533 | ||
dea3101e JB |
3534 | hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt; |
3535 | hs->tx_words = (pmb->un.varRdStatus.xmitByteCnt * 256); | |
3536 | hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt; | |
3537 | hs->rx_words = (pmb->un.varRdStatus.rcvByteCnt * 256); | |
3538 | ||
433c3579 | 3539 | memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); |
dea3101e JB |
3540 | pmb->mbxCommand = MBX_READ_LNK_STAT; |
3541 | pmb->mbxOwner = OWN_HOST; | |
3542 | pmboxq->context1 = NULL; | |
92d7f7b0 | 3543 | pmboxq->vport = vport; |
dea3101e | 3544 | |
2e0fef85 | 3545 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
433c3579 | 3546 | (!(psli->sli_flag & LPFC_SLI2_ACTIVE))) |
dea3101e | 3547 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
433c3579 | 3548 | else |
dea3101e JB |
3549 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); |
3550 | ||
3551 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 3552 | if (rc != MBX_TIMEOUT) |
92d7f7b0 | 3553 | mempool_free(pmboxq, phba->mbox_mem_pool); |
dea3101e JB |
3554 | return NULL; |
3555 | } | |
3556 | ||
3557 | hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt; | |
3558 | hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt; | |
3559 | hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt; | |
3560 | hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt; | |
3561 | hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord; | |
3562 | hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt; | |
3563 | hs->error_frames = pmb->un.varRdLnk.crcCnt; | |
3564 | ||
64ba8818 JS |
3565 | hs->link_failure_count -= lso->link_failure_count; |
3566 | hs->loss_of_sync_count -= lso->loss_of_sync_count; | |
3567 | hs->loss_of_signal_count -= lso->loss_of_signal_count; | |
3568 | hs->prim_seq_protocol_err_count -= lso->prim_seq_protocol_err_count; | |
3569 | hs->invalid_tx_word_count -= lso->invalid_tx_word_count; | |
3570 | hs->invalid_crc_count -= lso->invalid_crc_count; | |
3571 | hs->error_frames -= lso->error_frames; | |
3572 | ||
dea3101e JB |
3573 | if (phba->fc_topology == TOPOLOGY_LOOP) { |
3574 | hs->lip_count = (phba->fc_eventTag >> 1); | |
64ba8818 | 3575 | hs->lip_count -= lso->link_events; |
dea3101e JB |
3576 | hs->nos_count = -1; |
3577 | } else { | |
3578 | hs->lip_count = -1; | |
3579 | hs->nos_count = (phba->fc_eventTag >> 1); | |
64ba8818 | 3580 | hs->nos_count -= lso->link_events; |
dea3101e JB |
3581 | } |
3582 | ||
3583 | hs->dumped_frames = -1; | |
3584 | ||
64ba8818 JS |
3585 | seconds = get_seconds(); |
3586 | if (seconds < psli->stats_start) | |
3587 | hs->seconds_since_last_reset = seconds + | |
3588 | ((unsigned long)-1 - psli->stats_start); | |
3589 | else | |
3590 | hs->seconds_since_last_reset = seconds - psli->stats_start; | |
dea3101e | 3591 | |
1dcb58e5 JS |
3592 | mempool_free(pmboxq, phba->mbox_mem_pool); |
3593 | ||
dea3101e JB |
3594 | return hs; |
3595 | } | |
3596 | ||
e59058c4 JS |
3597 | /** |
3598 | * lpfc_reset_stats: Copy the adapter link stats information. | |
3599 | * @shost: kernel scsi host pointer. | |
3600 | **/ | |
64ba8818 JS |
3601 | static void |
3602 | lpfc_reset_stats(struct Scsi_Host *shost) | |
3603 | { | |
2e0fef85 JS |
3604 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
3605 | struct lpfc_hba *phba = vport->phba; | |
3606 | struct lpfc_sli *psli = &phba->sli; | |
3607 | struct lpfc_lnk_stat *lso = &psli->lnk_stat_offsets; | |
64ba8818 JS |
3608 | LPFC_MBOXQ_t *pmboxq; |
3609 | MAILBOX_t *pmb; | |
3610 | int rc = 0; | |
3611 | ||
2e0fef85 | 3612 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) |
46fa311e JS |
3613 | return; |
3614 | ||
64ba8818 JS |
3615 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
3616 | if (!pmboxq) | |
3617 | return; | |
3618 | memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t)); | |
3619 | ||
3620 | pmb = &pmboxq->mb; | |
3621 | pmb->mbxCommand = MBX_READ_STATUS; | |
3622 | pmb->mbxOwner = OWN_HOST; | |
3623 | pmb->un.varWords[0] = 0x1; /* reset request */ | |
3624 | pmboxq->context1 = NULL; | |
92d7f7b0 | 3625 | pmboxq->vport = vport; |
64ba8818 | 3626 | |
2e0fef85 | 3627 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
64ba8818 JS |
3628 | (!(psli->sli_flag & LPFC_SLI2_ACTIVE))) |
3629 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); | |
3630 | else | |
3631 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); | |
3632 | ||
3633 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 3634 | if (rc != MBX_TIMEOUT) |
64ba8818 JS |
3635 | mempool_free(pmboxq, phba->mbox_mem_pool); |
3636 | return; | |
3637 | } | |
3638 | ||
3639 | memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t)); | |
3640 | pmb->mbxCommand = MBX_READ_LNK_STAT; | |
3641 | pmb->mbxOwner = OWN_HOST; | |
3642 | pmboxq->context1 = NULL; | |
92d7f7b0 | 3643 | pmboxq->vport = vport; |
64ba8818 | 3644 | |
2e0fef85 | 3645 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
64ba8818 JS |
3646 | (!(psli->sli_flag & LPFC_SLI2_ACTIVE))) |
3647 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); | |
3648 | else | |
3649 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); | |
3650 | ||
3651 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 3652 | if (rc != MBX_TIMEOUT) |
64ba8818 JS |
3653 | mempool_free( pmboxq, phba->mbox_mem_pool); |
3654 | return; | |
3655 | } | |
3656 | ||
3657 | lso->link_failure_count = pmb->un.varRdLnk.linkFailureCnt; | |
3658 | lso->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt; | |
3659 | lso->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt; | |
3660 | lso->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt; | |
3661 | lso->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord; | |
3662 | lso->invalid_crc_count = pmb->un.varRdLnk.crcCnt; | |
3663 | lso->error_frames = pmb->un.varRdLnk.crcCnt; | |
3664 | lso->link_events = (phba->fc_eventTag >> 1); | |
3665 | ||
3666 | psli->stats_start = get_seconds(); | |
3667 | ||
1dcb58e5 JS |
3668 | mempool_free(pmboxq, phba->mbox_mem_pool); |
3669 | ||
64ba8818 JS |
3670 | return; |
3671 | } | |
dea3101e JB |
3672 | |
3673 | /* | |
3674 | * The LPFC driver treats linkdown handling as target loss events so there | |
3675 | * are no sysfs handlers for link_down_tmo. | |
3676 | */ | |
685f0bf7 | 3677 | |
e59058c4 JS |
3678 | /** |
3679 | * lpfc_get_node_by_target: Return the nodelist for a target. | |
3680 | * @starget: kernel scsi target pointer. | |
3681 | * | |
3682 | * Returns: | |
3683 | * address of the node list if found | |
3684 | * NULL target not found | |
3685 | **/ | |
685f0bf7 JS |
3686 | static struct lpfc_nodelist * |
3687 | lpfc_get_node_by_target(struct scsi_target *starget) | |
dea3101e | 3688 | { |
2e0fef85 JS |
3689 | struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); |
3690 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
685f0bf7 | 3691 | struct lpfc_nodelist *ndlp; |
dea3101e JB |
3692 | |
3693 | spin_lock_irq(shost->host_lock); | |
685f0bf7 | 3694 | /* Search for this, mapped, target ID */ |
2e0fef85 | 3695 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
e47c9093 JS |
3696 | if (NLP_CHK_NODE_ACT(ndlp) && |
3697 | ndlp->nlp_state == NLP_STE_MAPPED_NODE && | |
685f0bf7 JS |
3698 | starget->id == ndlp->nlp_sid) { |
3699 | spin_unlock_irq(shost->host_lock); | |
3700 | return ndlp; | |
dea3101e JB |
3701 | } |
3702 | } | |
3703 | spin_unlock_irq(shost->host_lock); | |
685f0bf7 JS |
3704 | return NULL; |
3705 | } | |
dea3101e | 3706 | |
e59058c4 JS |
3707 | /** |
3708 | * lpfc_get_starget_port_id: Set the target port id to the ndlp DID or -1. | |
3709 | * @starget: kernel scsi target pointer. | |
3710 | **/ | |
685f0bf7 JS |
3711 | static void |
3712 | lpfc_get_starget_port_id(struct scsi_target *starget) | |
3713 | { | |
3714 | struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); | |
3715 | ||
3716 | fc_starget_port_id(starget) = ndlp ? ndlp->nlp_DID : -1; | |
dea3101e JB |
3717 | } |
3718 | ||
e59058c4 JS |
3719 | /** |
3720 | * lpfc_get_starget_node_name: Set the target node name. | |
3721 | * @starget: kernel scsi target pointer. | |
3722 | * | |
3723 | * Description: Set the target node name to the ndlp node name wwn or zero. | |
3724 | **/ | |
dea3101e JB |
3725 | static void |
3726 | lpfc_get_starget_node_name(struct scsi_target *starget) | |
3727 | { | |
685f0bf7 | 3728 | struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); |
dea3101e | 3729 | |
685f0bf7 JS |
3730 | fc_starget_node_name(starget) = |
3731 | ndlp ? wwn_to_u64(ndlp->nlp_nodename.u.wwn) : 0; | |
dea3101e JB |
3732 | } |
3733 | ||
e59058c4 JS |
3734 | /** |
3735 | * lpfc_get_starget_port_name: Set the target port name. | |
3736 | * @starget: kernel scsi target pointer. | |
3737 | * | |
3738 | * Description: set the target port name to the ndlp port name wwn or zero. | |
3739 | **/ | |
dea3101e JB |
3740 | static void |
3741 | lpfc_get_starget_port_name(struct scsi_target *starget) | |
3742 | { | |
685f0bf7 | 3743 | struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); |
dea3101e | 3744 | |
685f0bf7 JS |
3745 | fc_starget_port_name(starget) = |
3746 | ndlp ? wwn_to_u64(ndlp->nlp_portname.u.wwn) : 0; | |
dea3101e JB |
3747 | } |
3748 | ||
e59058c4 JS |
3749 | /** |
3750 | * lpfc_set_rport_loss_tmo: Set the rport dev loss tmo. | |
3751 | * @rport: fc rport address. | |
3752 | * @timeout: new value for dev loss tmo. | |
3753 | * | |
3754 | * Description: | |
3755 | * If timeout is non zero set the dev_loss_tmo to timeout, else set | |
3756 | * dev_loss_tmo to one. | |
3757 | **/ | |
dea3101e JB |
3758 | static void |
3759 | lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout) | |
3760 | { | |
dea3101e | 3761 | if (timeout) |
c01f3208 | 3762 | rport->dev_loss_tmo = timeout; |
dea3101e | 3763 | else |
c01f3208 | 3764 | rport->dev_loss_tmo = 1; |
dea3101e JB |
3765 | } |
3766 | ||
e59058c4 JS |
3767 | /** |
3768 | * lpfc_rport_show_function: Return rport target information. | |
3769 | * | |
3770 | * Description: | |
3771 | * Macro that uses field to generate a function with the name lpfc_show_rport_ | |
3772 | * | |
3773 | * lpfc_show_rport_##field: returns the bytes formatted in buf | |
3774 | * @cdev: class converted to an fc_rport. | |
3775 | * @buf: on return contains the target_field or zero. | |
3776 | * | |
3777 | * Returns: size of formatted string. | |
3778 | **/ | |
dea3101e JB |
3779 | #define lpfc_rport_show_function(field, format_string, sz, cast) \ |
3780 | static ssize_t \ | |
ee959b00 TJ |
3781 | lpfc_show_rport_##field (struct device *dev, \ |
3782 | struct device_attribute *attr, \ | |
3783 | char *buf) \ | |
dea3101e | 3784 | { \ |
ee959b00 | 3785 | struct fc_rport *rport = transport_class_to_rport(dev); \ |
dea3101e JB |
3786 | struct lpfc_rport_data *rdata = rport->hostdata; \ |
3787 | return snprintf(buf, sz, format_string, \ | |
3788 | (rdata->target) ? cast rdata->target->field : 0); \ | |
3789 | } | |
3790 | ||
3791 | #define lpfc_rport_rd_attr(field, format_string, sz) \ | |
3792 | lpfc_rport_show_function(field, format_string, sz, ) \ | |
3793 | static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL) | |
3794 | ||
3795 | ||
3796 | struct fc_function_template lpfc_transport_functions = { | |
3797 | /* fixed attributes the driver supports */ | |
3798 | .show_host_node_name = 1, | |
3799 | .show_host_port_name = 1, | |
3800 | .show_host_supported_classes = 1, | |
3801 | .show_host_supported_fc4s = 1, | |
dea3101e JB |
3802 | .show_host_supported_speeds = 1, |
3803 | .show_host_maxframe_size = 1, | |
3804 | ||
3805 | /* dynamic attributes the driver supports */ | |
3806 | .get_host_port_id = lpfc_get_host_port_id, | |
3807 | .show_host_port_id = 1, | |
3808 | ||
3809 | .get_host_port_type = lpfc_get_host_port_type, | |
3810 | .show_host_port_type = 1, | |
3811 | ||
3812 | .get_host_port_state = lpfc_get_host_port_state, | |
3813 | .show_host_port_state = 1, | |
3814 | ||
3815 | /* active_fc4s is shown but doesn't change (thus no get function) */ | |
3816 | .show_host_active_fc4s = 1, | |
3817 | ||
3818 | .get_host_speed = lpfc_get_host_speed, | |
3819 | .show_host_speed = 1, | |
3820 | ||
3821 | .get_host_fabric_name = lpfc_get_host_fabric_name, | |
3822 | .show_host_fabric_name = 1, | |
3823 | ||
3824 | /* | |
3825 | * The LPFC driver treats linkdown handling as target loss events | |
3826 | * so there are no sysfs handlers for link_down_tmo. | |
3827 | */ | |
3828 | ||
3829 | .get_fc_host_stats = lpfc_get_stats, | |
64ba8818 | 3830 | .reset_fc_host_stats = lpfc_reset_stats, |
dea3101e JB |
3831 | |
3832 | .dd_fcrport_size = sizeof(struct lpfc_rport_data), | |
3833 | .show_rport_maxframe_size = 1, | |
3834 | .show_rport_supported_classes = 1, | |
3835 | ||
dea3101e JB |
3836 | .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo, |
3837 | .show_rport_dev_loss_tmo = 1, | |
3838 | ||
3839 | .get_starget_port_id = lpfc_get_starget_port_id, | |
3840 | .show_starget_port_id = 1, | |
3841 | ||
3842 | .get_starget_node_name = lpfc_get_starget_node_name, | |
3843 | .show_starget_node_name = 1, | |
3844 | ||
3845 | .get_starget_port_name = lpfc_get_starget_port_name, | |
3846 | .show_starget_port_name = 1, | |
91ca7b01 AV |
3847 | |
3848 | .issue_fc_host_lip = lpfc_issue_lip, | |
c01f3208 JS |
3849 | .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk, |
3850 | .terminate_rport_io = lpfc_terminate_rport_io, | |
92d7f7b0 | 3851 | |
92d7f7b0 JS |
3852 | .dd_fcvport_size = sizeof(struct lpfc_vport *), |
3853 | }; | |
3854 | ||
98c9ea5c JS |
3855 | struct fc_function_template lpfc_vport_transport_functions = { |
3856 | /* fixed attributes the driver supports */ | |
3857 | .show_host_node_name = 1, | |
3858 | .show_host_port_name = 1, | |
3859 | .show_host_supported_classes = 1, | |
3860 | .show_host_supported_fc4s = 1, | |
3861 | .show_host_supported_speeds = 1, | |
3862 | .show_host_maxframe_size = 1, | |
3863 | ||
3864 | /* dynamic attributes the driver supports */ | |
3865 | .get_host_port_id = lpfc_get_host_port_id, | |
3866 | .show_host_port_id = 1, | |
3867 | ||
3868 | .get_host_port_type = lpfc_get_host_port_type, | |
3869 | .show_host_port_type = 1, | |
3870 | ||
3871 | .get_host_port_state = lpfc_get_host_port_state, | |
3872 | .show_host_port_state = 1, | |
3873 | ||
3874 | /* active_fc4s is shown but doesn't change (thus no get function) */ | |
3875 | .show_host_active_fc4s = 1, | |
3876 | ||
3877 | .get_host_speed = lpfc_get_host_speed, | |
3878 | .show_host_speed = 1, | |
3879 | ||
3880 | .get_host_fabric_name = lpfc_get_host_fabric_name, | |
3881 | .show_host_fabric_name = 1, | |
3882 | ||
3883 | /* | |
3884 | * The LPFC driver treats linkdown handling as target loss events | |
3885 | * so there are no sysfs handlers for link_down_tmo. | |
3886 | */ | |
3887 | ||
3888 | .get_fc_host_stats = lpfc_get_stats, | |
3889 | .reset_fc_host_stats = lpfc_reset_stats, | |
3890 | ||
3891 | .dd_fcrport_size = sizeof(struct lpfc_rport_data), | |
3892 | .show_rport_maxframe_size = 1, | |
3893 | .show_rport_supported_classes = 1, | |
3894 | ||
3895 | .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo, | |
3896 | .show_rport_dev_loss_tmo = 1, | |
3897 | ||
3898 | .get_starget_port_id = lpfc_get_starget_port_id, | |
3899 | .show_starget_port_id = 1, | |
3900 | ||
3901 | .get_starget_node_name = lpfc_get_starget_node_name, | |
3902 | .show_starget_node_name = 1, | |
3903 | ||
3904 | .get_starget_port_name = lpfc_get_starget_port_name, | |
3905 | .show_starget_port_name = 1, | |
3906 | ||
3907 | .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk, | |
3908 | .terminate_rport_io = lpfc_terminate_rport_io, | |
3909 | ||
3910 | .vport_disable = lpfc_vport_disable, | |
3911 | }; | |
3912 | ||
e59058c4 JS |
3913 | /** |
3914 | * lpfc_get_cfgparam: Used during probe_one to init the adapter structure. | |
3915 | * @phba: lpfc_hba pointer. | |
3916 | **/ | |
dea3101e JB |
3917 | void |
3918 | lpfc_get_cfgparam(struct lpfc_hba *phba) | |
3919 | { | |
7bcbb752 JSEC |
3920 | lpfc_cr_delay_init(phba, lpfc_cr_delay); |
3921 | lpfc_cr_count_init(phba, lpfc_cr_count); | |
cf5bf97e | 3922 | lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support); |
a4bc3379 JS |
3923 | lpfc_multi_ring_rctl_init(phba, lpfc_multi_ring_rctl); |
3924 | lpfc_multi_ring_type_init(phba, lpfc_multi_ring_type); | |
7bcbb752 JSEC |
3925 | lpfc_ack0_init(phba, lpfc_ack0); |
3926 | lpfc_topology_init(phba, lpfc_topology); | |
7bcbb752 | 3927 | lpfc_link_speed_init(phba, lpfc_link_speed); |
875fbdfe | 3928 | lpfc_poll_tmo_init(phba, lpfc_poll_tmo); |
78b2d852 | 3929 | lpfc_enable_npiv_init(phba, lpfc_enable_npiv); |
4ff43246 | 3930 | lpfc_use_msi_init(phba, lpfc_use_msi); |
13815c83 JS |
3931 | lpfc_enable_hba_reset_init(phba, lpfc_enable_hba_reset); |
3932 | lpfc_enable_hba_heartbeat_init(phba, lpfc_enable_hba_heartbeat); | |
875fbdfe | 3933 | phba->cfg_poll = lpfc_poll; |
a12e07bc | 3934 | phba->cfg_soft_wwnn = 0L; |
c3f28afa | 3935 | phba->cfg_soft_wwpn = 0L; |
83108bd3 JS |
3936 | lpfc_sg_seg_cnt_init(phba, lpfc_sg_seg_cnt); |
3937 | /* Also reinitialize the host templates with new values. */ | |
3938 | lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt; | |
3939 | lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt; | |
dea3101e JB |
3940 | /* |
3941 | * Since the sg_tablesize is module parameter, the sg_dma_buf_size | |
83108bd3 JS |
3942 | * used to create the sg_dma_buf_pool must be dynamically calculated. |
3943 | * 2 segments are added since the IOCB needs a command and response bde. | |
dea3101e JB |
3944 | */ |
3945 | phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) + | |
3946 | sizeof(struct fcp_rsp) + | |
83108bd3 | 3947 | ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct ulp_bde64)); |
7054a606 | 3948 | lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth); |
3de2a653 JS |
3949 | return; |
3950 | } | |
b28485ac | 3951 | |
e59058c4 JS |
3952 | /** |
3953 | * lpfc_get_vport_cfgparam: Used during port create, init the vport structure. | |
3954 | * @vport: lpfc_vport pointer. | |
3955 | **/ | |
3de2a653 JS |
3956 | void |
3957 | lpfc_get_vport_cfgparam(struct lpfc_vport *vport) | |
3958 | { | |
e8b62011 | 3959 | lpfc_log_verbose_init(vport, lpfc_log_verbose); |
3de2a653 JS |
3960 | lpfc_lun_queue_depth_init(vport, lpfc_lun_queue_depth); |
3961 | lpfc_devloss_tmo_init(vport, lpfc_devloss_tmo); | |
3962 | lpfc_nodev_tmo_init(vport, lpfc_nodev_tmo); | |
3963 | lpfc_peer_port_login_init(vport, lpfc_peer_port_login); | |
3964 | lpfc_restrict_login_init(vport, lpfc_restrict_login); | |
3965 | lpfc_fcp_class_init(vport, lpfc_fcp_class); | |
3966 | lpfc_use_adisc_init(vport, lpfc_use_adisc); | |
977b5a0a | 3967 | lpfc_max_scsicmpl_time_init(vport, lpfc_max_scsicmpl_time); |
3de2a653 JS |
3968 | lpfc_fdmi_on_init(vport, lpfc_fdmi_on); |
3969 | lpfc_discovery_threads_init(vport, lpfc_discovery_threads); | |
3970 | lpfc_max_luns_init(vport, lpfc_max_luns); | |
3971 | lpfc_scan_down_init(vport, lpfc_scan_down); | |
7ee5d43e | 3972 | lpfc_enable_da_id_init(vport, lpfc_enable_da_id); |
dea3101e JB |
3973 | return; |
3974 | } |