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d7e09d03 PT |
1 | /* |
2 | * GPL HEADER START | |
3 | * | |
4 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License version 2 only, | |
8 | * as published by the Free Software Foundation. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, but | |
11 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | * General Public License version 2 for more details (a copy is included | |
14 | * in the LICENSE file that accompanied this code). | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * version 2 along with this program; If not, see | |
6a5b99a4 | 18 | * http://www.gnu.org/licenses/gpl-2.0.html |
d7e09d03 | 19 | * |
d7e09d03 PT |
20 | * GPL HEADER END |
21 | */ | |
22 | /* | |
23 | * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. | |
24 | * Use is subject to license terms. | |
25 | * | |
1dc563a6 | 26 | * Copyright (c) 2011, 2015, Intel Corporation. |
d7e09d03 PT |
27 | */ |
28 | /* | |
29 | * This file is part of Lustre, http://www.lustre.org/ | |
30 | * Lustre is a trademark of Sun Microsystems, Inc. | |
31 | * | |
32 | * lustre/include/lprocfs_status.h | |
33 | * | |
34 | * Top level header file for LProc SNMP | |
35 | * | |
36 | * Author: Hariharan Thantry thantry@users.sourceforge.net | |
37 | */ | |
38 | #ifndef _LPROCFS_SNMP_H | |
39 | #define _LPROCFS_SNMP_H | |
40 | ||
5c8c82f6 | 41 | #include <linux/debugfs.h> |
a9c7db39 JH |
42 | #include <linux/seq_file.h> |
43 | #include <linux/spinlock.h> | |
44 | #include <linux/types.h> | |
45 | ||
36dc51cc BE |
46 | #include "../../include/linux/libcfs/libcfs.h" |
47 | #include "lustre_cfg.h" | |
1accaadf | 48 | #include "lustre/lustre_idl.h" |
d7e09d03 PT |
49 | |
50 | struct lprocfs_vars { | |
73bb1da6 | 51 | const char *name; |
ae839184 | 52 | const struct file_operations *fops; |
73bb1da6 | 53 | void *data; |
d7e09d03 | 54 | /** |
406c1c7c | 55 | * sysfs file mode. |
d7e09d03 | 56 | */ |
3de91f92 | 57 | umode_t proc_mode; |
d7e09d03 PT |
58 | }; |
59 | ||
60 | struct lprocfs_static_vars { | |
d7e09d03 | 61 | struct lprocfs_vars *obd_vars; |
9b801302 | 62 | struct attribute_group *sysfs_vars; |
d7e09d03 PT |
63 | }; |
64 | ||
65 | /* if we find more consumers this could be generalized */ | |
66 | #define OBD_HIST_MAX 32 | |
67 | struct obd_histogram { | |
68 | spinlock_t oh_lock; | |
69 | unsigned long oh_buckets[OBD_HIST_MAX]; | |
70 | }; | |
71 | ||
72 | enum { | |
73 | BRW_R_PAGES = 0, | |
74 | BRW_W_PAGES, | |
75 | BRW_R_RPC_HIST, | |
76 | BRW_W_RPC_HIST, | |
77 | BRW_R_IO_TIME, | |
78 | BRW_W_IO_TIME, | |
79 | BRW_R_DISCONT_PAGES, | |
80 | BRW_W_DISCONT_PAGES, | |
81 | BRW_R_DISCONT_BLOCKS, | |
82 | BRW_W_DISCONT_BLOCKS, | |
83 | BRW_R_DISK_IOSIZE, | |
84 | BRW_W_DISK_IOSIZE, | |
85 | BRW_R_DIO_FRAGS, | |
86 | BRW_W_DIO_FRAGS, | |
87 | BRW_LAST, | |
88 | }; | |
89 | ||
90 | struct brw_stats { | |
91 | struct obd_histogram hist[BRW_LAST]; | |
92 | }; | |
93 | ||
94 | enum { | |
95 | RENAME_SAMEDIR_SIZE = 0, | |
96 | RENAME_CROSSDIR_SRC_SIZE, | |
97 | RENAME_CROSSDIR_TGT_SIZE, | |
98 | RENAME_LAST, | |
99 | }; | |
100 | ||
101 | struct rename_stats { | |
102 | struct obd_histogram hist[RENAME_LAST]; | |
103 | }; | |
104 | ||
105 | /* An lprocfs counter can be configured using the enum bit masks below. | |
106 | * | |
107 | * LPROCFS_CNTR_EXTERNALLOCK indicates that an external lock already | |
108 | * protects this counter from concurrent updates. If not specified, | |
109 | * lprocfs an internal per-counter lock variable. External locks are | |
110 | * not used to protect counter increments, but are used to protect | |
111 | * counter readout and resets. | |
112 | * | |
113 | * LPROCFS_CNTR_AVGMINMAX indicates a multi-valued counter samples, | |
114 | * (i.e. counter can be incremented by more than "1"). When specified, | |
115 | * the counter maintains min, max and sum in addition to a simple | |
116 | * invocation count. This allows averages to be be computed. | |
117 | * If not specified, the counter is an increment-by-1 counter. | |
118 | * min, max, sum, etc. are not maintained. | |
119 | * | |
120 | * LPROCFS_CNTR_STDDEV indicates that the counter should track sum of | |
121 | * squares (for multi-valued counter samples only). This allows | |
122 | * external computation of standard deviation, but involves a 64-bit | |
123 | * multiply per counter increment. | |
124 | */ | |
125 | ||
126 | enum { | |
127 | LPROCFS_CNTR_EXTERNALLOCK = 0x0001, | |
128 | LPROCFS_CNTR_AVGMINMAX = 0x0002, | |
129 | LPROCFS_CNTR_STDDEV = 0x0004, | |
130 | ||
131 | /* counter data type */ | |
132 | LPROCFS_TYPE_REGS = 0x0100, | |
133 | LPROCFS_TYPE_BYTES = 0x0200, | |
134 | LPROCFS_TYPE_PAGES = 0x0400, | |
135 | LPROCFS_TYPE_CYCLE = 0x0800, | |
136 | }; | |
137 | ||
138 | #define LC_MIN_INIT ((~(__u64)0) >> 1) | |
139 | ||
140 | struct lprocfs_counter_header { | |
141 | unsigned int lc_config; | |
142 | const char *lc_name; /* must be static */ | |
143 | const char *lc_units; /* must be static */ | |
144 | }; | |
145 | ||
146 | struct lprocfs_counter { | |
147 | __s64 lc_count; | |
148 | __s64 lc_min; | |
149 | __s64 lc_max; | |
150 | __s64 lc_sumsquare; | |
151 | /* | |
152 | * Every counter has lc_array_sum[0], while lc_array_sum[1] is only | |
153 | * for irq context counter, i.e. stats with | |
154 | * LPROCFS_STATS_FLAG_IRQ_SAFE flag, its counter need | |
155 | * lc_array_sum[1] | |
156 | */ | |
157 | __s64 lc_array_sum[1]; | |
158 | }; | |
c9f6bb96 | 159 | |
d7e09d03 PT |
160 | #define lc_sum lc_array_sum[0] |
161 | #define lc_sum_irq lc_array_sum[1] | |
162 | ||
163 | struct lprocfs_percpu { | |
164 | #ifndef __GNUC__ | |
165 | __s64 pad; | |
166 | #endif | |
167 | struct lprocfs_counter lp_cntr[0]; | |
168 | }; | |
169 | ||
a466ca4e AD |
170 | enum lprocfs_stats_lock_ops { |
171 | LPROCFS_GET_NUM_CPU = 0x0001, /* number allocated per-CPU stats */ | |
172 | LPROCFS_GET_SMP_ID = 0x0002, /* current stat to be updated */ | |
173 | }; | |
d7e09d03 PT |
174 | |
175 | enum lprocfs_stats_flags { | |
176 | LPROCFS_STATS_FLAG_NONE = 0x0000, /* per cpu counter */ | |
177 | LPROCFS_STATS_FLAG_NOPERCPU = 0x0001, /* stats have no percpu | |
c56e256d OD |
178 | * area and need locking |
179 | */ | |
d7e09d03 PT |
180 | LPROCFS_STATS_FLAG_IRQ_SAFE = 0x0002, /* alloc need irq safe */ |
181 | }; | |
182 | ||
183 | enum lprocfs_fields_flags { | |
184 | LPROCFS_FIELDS_FLAGS_CONFIG = 0x0001, | |
185 | LPROCFS_FIELDS_FLAGS_SUM = 0x0002, | |
186 | LPROCFS_FIELDS_FLAGS_MIN = 0x0003, | |
187 | LPROCFS_FIELDS_FLAGS_MAX = 0x0004, | |
188 | LPROCFS_FIELDS_FLAGS_AVG = 0x0005, | |
189 | LPROCFS_FIELDS_FLAGS_SUMSQUARE = 0x0006, | |
190 | LPROCFS_FIELDS_FLAGS_COUNT = 0x0007, | |
191 | }; | |
192 | ||
193 | struct lprocfs_stats { | |
194 | /* # of counters */ | |
195 | unsigned short ls_num; | |
196 | /* 1 + the biggest cpu # whose ls_percpu slot has been allocated */ | |
197 | unsigned short ls_biggest_alloc_num; | |
198 | enum lprocfs_stats_flags ls_flags; | |
199 | /* Lock used when there are no percpu stats areas; For percpu stats, | |
c56e256d OD |
200 | * it is used to protect ls_biggest_alloc_num change |
201 | */ | |
d7e09d03 PT |
202 | spinlock_t ls_lock; |
203 | ||
204 | /* has ls_num of counter headers */ | |
205 | struct lprocfs_counter_header *ls_cnt_header; | |
206 | struct lprocfs_percpu *ls_percpu[0]; | |
207 | }; | |
208 | ||
209 | #define OPC_RANGE(seg) (seg ## _LAST_OPC - seg ## _FIRST_OPC) | |
210 | ||
211 | /* Pack all opcodes down into a single monotonically increasing index */ | |
60753e90 MR |
212 | static inline int opcode_offset(__u32 opc) |
213 | { | |
d7e09d03 PT |
214 | if (opc < OST_LAST_OPC) { |
215 | /* OST opcode */ | |
216 | return (opc - OST_FIRST_OPC); | |
217 | } else if (opc < MDS_LAST_OPC) { | |
218 | /* MDS opcode */ | |
219 | return (opc - MDS_FIRST_OPC + | |
220 | OPC_RANGE(OST)); | |
221 | } else if (opc < LDLM_LAST_OPC) { | |
222 | /* LDLM Opcode */ | |
223 | return (opc - LDLM_FIRST_OPC + | |
224 | OPC_RANGE(MDS) + | |
225 | OPC_RANGE(OST)); | |
226 | } else if (opc < MGS_LAST_OPC) { | |
227 | /* MGS Opcode */ | |
228 | return (opc - MGS_FIRST_OPC + | |
229 | OPC_RANGE(LDLM) + | |
230 | OPC_RANGE(MDS) + | |
231 | OPC_RANGE(OST)); | |
232 | } else if (opc < OBD_LAST_OPC) { | |
233 | /* OBD Ping */ | |
234 | return (opc - OBD_FIRST_OPC + | |
235 | OPC_RANGE(MGS) + | |
236 | OPC_RANGE(LDLM) + | |
237 | OPC_RANGE(MDS) + | |
238 | OPC_RANGE(OST)); | |
239 | } else if (opc < LLOG_LAST_OPC) { | |
240 | /* LLOG Opcode */ | |
241 | return (opc - LLOG_FIRST_OPC + | |
242 | OPC_RANGE(OBD) + | |
243 | OPC_RANGE(MGS) + | |
244 | OPC_RANGE(LDLM) + | |
245 | OPC_RANGE(MDS) + | |
246 | OPC_RANGE(OST)); | |
247 | } else if (opc < QUOTA_LAST_OPC) { | |
248 | /* LQUOTA Opcode */ | |
249 | return (opc - QUOTA_FIRST_OPC + | |
250 | OPC_RANGE(LLOG) + | |
251 | OPC_RANGE(OBD) + | |
252 | OPC_RANGE(MGS) + | |
253 | OPC_RANGE(LDLM) + | |
254 | OPC_RANGE(MDS) + | |
255 | OPC_RANGE(OST)); | |
256 | } else if (opc < SEQ_LAST_OPC) { | |
257 | /* SEQ opcode */ | |
258 | return (opc - SEQ_FIRST_OPC + | |
259 | OPC_RANGE(QUOTA) + | |
260 | OPC_RANGE(LLOG) + | |
261 | OPC_RANGE(OBD) + | |
262 | OPC_RANGE(MGS) + | |
263 | OPC_RANGE(LDLM) + | |
264 | OPC_RANGE(MDS) + | |
265 | OPC_RANGE(OST)); | |
266 | } else if (opc < SEC_LAST_OPC) { | |
267 | /* SEC opcode */ | |
268 | return (opc - SEC_FIRST_OPC + | |
269 | OPC_RANGE(SEQ) + | |
270 | OPC_RANGE(QUOTA) + | |
271 | OPC_RANGE(LLOG) + | |
272 | OPC_RANGE(OBD) + | |
273 | OPC_RANGE(MGS) + | |
274 | OPC_RANGE(LDLM) + | |
275 | OPC_RANGE(MDS) + | |
276 | OPC_RANGE(OST)); | |
277 | } else if (opc < FLD_LAST_OPC) { | |
278 | /* FLD opcode */ | |
defa220f | 279 | return (opc - FLD_FIRST_OPC + |
d7e09d03 PT |
280 | OPC_RANGE(SEC) + |
281 | OPC_RANGE(SEQ) + | |
282 | OPC_RANGE(QUOTA) + | |
283 | OPC_RANGE(LLOG) + | |
284 | OPC_RANGE(OBD) + | |
285 | OPC_RANGE(MGS) + | |
286 | OPC_RANGE(LDLM) + | |
287 | OPC_RANGE(MDS) + | |
288 | OPC_RANGE(OST)); | |
d7e09d03 PT |
289 | } else { |
290 | /* Unknown Opcode */ | |
291 | return -1; | |
292 | } | |
293 | } | |
294 | ||
d7e09d03 PT |
295 | #define LUSTRE_MAX_OPCODES (OPC_RANGE(OST) + \ |
296 | OPC_RANGE(MDS) + \ | |
297 | OPC_RANGE(LDLM) + \ | |
298 | OPC_RANGE(MGS) + \ | |
299 | OPC_RANGE(OBD) + \ | |
300 | OPC_RANGE(LLOG) + \ | |
301 | OPC_RANGE(SEC) + \ | |
302 | OPC_RANGE(SEQ) + \ | |
303 | OPC_RANGE(SEC) + \ | |
f3478e02 | 304 | OPC_RANGE(FLD)) |
d7e09d03 PT |
305 | |
306 | #define EXTRA_MAX_OPCODES ((PTLRPC_LAST_CNTR - PTLRPC_FIRST_CNTR) + \ | |
307 | OPC_RANGE(EXTRA)) | |
308 | ||
309 | enum { | |
310 | PTLRPC_REQWAIT_CNTR = 0, | |
311 | PTLRPC_REQQDEPTH_CNTR, | |
312 | PTLRPC_REQACTIVE_CNTR, | |
313 | PTLRPC_TIMEOUT, | |
314 | PTLRPC_REQBUF_AVAIL_CNTR, | |
315 | PTLRPC_LAST_CNTR | |
316 | }; | |
317 | ||
318 | #define PTLRPC_FIRST_CNTR PTLRPC_REQWAIT_CNTR | |
319 | ||
320 | enum { | |
321 | LDLM_GLIMPSE_ENQUEUE = 0, | |
322 | LDLM_PLAIN_ENQUEUE, | |
323 | LDLM_EXTENT_ENQUEUE, | |
324 | LDLM_FLOCK_ENQUEUE, | |
325 | LDLM_IBITS_ENQUEUE, | |
326 | MDS_REINT_SETATTR, | |
327 | MDS_REINT_CREATE, | |
328 | MDS_REINT_LINK, | |
329 | MDS_REINT_UNLINK, | |
330 | MDS_REINT_RENAME, | |
331 | MDS_REINT_OPEN, | |
332 | MDS_REINT_SETXATTR, | |
333 | BRW_READ_BYTES, | |
334 | BRW_WRITE_BYTES, | |
335 | EXTRA_LAST_OPC | |
336 | }; | |
337 | ||
338 | #define EXTRA_FIRST_OPC LDLM_GLIMPSE_ENQUEUE | |
339 | /* class_obd.c */ | |
5c8c82f6 | 340 | extern struct dentry *debugfs_lustre_root; |
8b828445 OD |
341 | extern struct kobject *lustre_kobj; |
342 | ||
d7e09d03 PT |
343 | struct obd_device; |
344 | struct obd_histogram; | |
345 | ||
346 | /* Days / hours / mins / seconds format */ | |
347 | struct dhms { | |
1d8cb70c | 348 | int d, h, m, s; |
d7e09d03 | 349 | }; |
23d9a046 AB |
350 | |
351 | static inline void s2dhms(struct dhms *ts, time64_t secs64) | |
d7e09d03 | 352 | { |
23d9a046 AB |
353 | unsigned int secs; |
354 | ||
355 | ts->d = div_u64_rem(secs64, 86400, &secs); | |
d7e09d03 PT |
356 | ts->h = secs / 3600; |
357 | secs = secs % 3600; | |
358 | ts->m = secs / 60; | |
359 | ts->s = secs % 60; | |
360 | } | |
c9f6bb96 | 361 | |
d7e09d03 PT |
362 | #define DHMS_FMT "%dd%dh%02dm%02ds" |
363 | #define DHMS_VARS(x) (x)->d, (x)->h, (x)->m, (x)->s | |
364 | ||
365 | #define JOBSTATS_JOBID_VAR_MAX_LEN 20 | |
366 | #define JOBSTATS_DISABLE "disable" | |
367 | #define JOBSTATS_PROCNAME_UID "procname_uid" | |
76133e66 | 368 | #define JOBSTATS_NODELOCAL "nodelocal" |
c2e1b91e BX |
369 | |
370 | /* obd_config.c */ | |
371 | void lustre_register_client_process_config(int (*cpc)(struct lustre_cfg *lcfg)); | |
d7e09d03 | 372 | |
8150a97f JP |
373 | int lprocfs_write_frac_helper(const char __user *buffer, |
374 | unsigned long count, int *val, int mult); | |
375 | int lprocfs_read_frac_helper(char *buffer, unsigned long count, | |
376 | long val, int mult); | |
a466ca4e | 377 | |
2720ecce JS |
378 | int lprocfs_stats_alloc_one(struct lprocfs_stats *stats, |
379 | unsigned int cpuid); | |
380 | int lprocfs_stats_lock(struct lprocfs_stats *stats, | |
381 | enum lprocfs_stats_lock_ops opc, | |
382 | unsigned long *flags); | |
383 | void lprocfs_stats_unlock(struct lprocfs_stats *stats, | |
384 | enum lprocfs_stats_lock_ops opc, | |
385 | unsigned long *flags); | |
d7e09d03 PT |
386 | |
387 | static inline unsigned int | |
388 | lprocfs_stats_counter_size(struct lprocfs_stats *stats) | |
389 | { | |
390 | unsigned int percpusize; | |
391 | ||
392 | percpusize = offsetof(struct lprocfs_percpu, lp_cntr[stats->ls_num]); | |
393 | ||
394 | /* irq safe stats need lc_array_sum[1] */ | |
395 | if ((stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE) != 0) | |
396 | percpusize += stats->ls_num * sizeof(__s64); | |
397 | ||
398 | if ((stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) == 0) | |
399 | percpusize = L1_CACHE_ALIGN(percpusize); | |
400 | ||
401 | return percpusize; | |
402 | } | |
403 | ||
404 | static inline struct lprocfs_counter * | |
405 | lprocfs_stats_counter_get(struct lprocfs_stats *stats, unsigned int cpuid, | |
406 | int index) | |
407 | { | |
408 | struct lprocfs_counter *cntr; | |
409 | ||
410 | cntr = &stats->ls_percpu[cpuid]->lp_cntr[index]; | |
411 | ||
412 | if ((stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE) != 0) | |
413 | cntr = (void *)cntr + index * sizeof(__s64); | |
414 | ||
415 | return cntr; | |
416 | } | |
417 | ||
418 | /* Two optimized LPROCFS counter increment functions are provided: | |
419 | * lprocfs_counter_incr(cntr, value) - optimized for by-one counters | |
420 | * lprocfs_counter_add(cntr) - use for multi-valued counters | |
421 | * Counter data layout allows config flag, counter lock and the | |
422 | * count itself to reside within a single cache line. | |
423 | */ | |
424 | ||
8150a97f JP |
425 | void lprocfs_counter_add(struct lprocfs_stats *stats, int idx, long amount); |
426 | void lprocfs_counter_sub(struct lprocfs_stats *stats, int idx, long amount); | |
d7e09d03 PT |
427 | |
428 | #define lprocfs_counter_incr(stats, idx) \ | |
429 | lprocfs_counter_add(stats, idx, 1) | |
430 | #define lprocfs_counter_decr(stats, idx) \ | |
431 | lprocfs_counter_sub(stats, idx, 1) | |
432 | ||
8150a97f JP |
433 | __s64 lprocfs_read_helper(struct lprocfs_counter *lc, |
434 | struct lprocfs_counter_header *header, | |
435 | enum lprocfs_stats_flags flags, | |
436 | enum lprocfs_fields_flags field); | |
2720ecce JS |
437 | __u64 lprocfs_stats_collector(struct lprocfs_stats *stats, int idx, |
438 | enum lprocfs_fields_flags field); | |
d7e09d03 PT |
439 | |
440 | extern struct lprocfs_stats * | |
441 | lprocfs_alloc_stats(unsigned int num, enum lprocfs_stats_flags flags); | |
8150a97f JP |
442 | void lprocfs_clear_stats(struct lprocfs_stats *stats); |
443 | void lprocfs_free_stats(struct lprocfs_stats **stats); | |
8150a97f | 444 | void lprocfs_counter_init(struct lprocfs_stats *stats, int index, |
8dde0685 OD |
445 | unsigned int conf, const char *name, |
446 | const char *units); | |
d7e09d03 | 447 | struct obd_export; |
8150a97f JP |
448 | int lprocfs_exp_cleanup(struct obd_export *exp); |
449 | struct dentry *ldebugfs_add_simple(struct dentry *root, | |
450 | char *name, | |
451 | void *data, | |
ae839184 | 452 | const struct file_operations *fops); |
d7e09d03 | 453 | |
8150a97f JP |
454 | int ldebugfs_register_stats(struct dentry *parent, |
455 | const char *name, | |
456 | struct lprocfs_stats *stats); | |
d7e09d03 PT |
457 | |
458 | /* lprocfs_status.c */ | |
8150a97f JP |
459 | int ldebugfs_add_vars(struct dentry *parent, |
460 | struct lprocfs_vars *var, | |
461 | void *data); | |
462 | ||
463 | struct dentry *ldebugfs_register(const char *name, | |
464 | struct dentry *parent, | |
465 | struct lprocfs_vars *list, | |
466 | void *data); | |
467 | ||
468 | void ldebugfs_remove(struct dentry **entryp); | |
469 | ||
470 | int lprocfs_obd_setup(struct obd_device *obd, struct lprocfs_vars *list, | |
471 | struct attribute_group *attrs); | |
472 | int lprocfs_obd_cleanup(struct obd_device *obd); | |
473 | ||
474 | int ldebugfs_seq_create(struct dentry *parent, | |
475 | const char *name, | |
476 | umode_t mode, | |
477 | const struct file_operations *seq_fops, | |
478 | void *data); | |
479 | int ldebugfs_obd_seq_create(struct obd_device *dev, | |
480 | const char *name, | |
481 | umode_t mode, | |
482 | const struct file_operations *seq_fops, | |
483 | void *data); | |
d7e09d03 PT |
484 | |
485 | /* Generic callbacks */ | |
486 | ||
8150a97f JP |
487 | int lprocfs_rd_uint(struct seq_file *m, void *data); |
488 | int lprocfs_wr_uint(struct file *file, const char __user *buffer, | |
489 | unsigned long count, void *data); | |
8150a97f JP |
490 | int lprocfs_rd_server_uuid(struct seq_file *m, void *data); |
491 | int lprocfs_rd_conn_uuid(struct seq_file *m, void *data); | |
492 | int lprocfs_rd_import(struct seq_file *m, void *data); | |
493 | int lprocfs_rd_state(struct seq_file *m, void *data); | |
494 | int lprocfs_rd_connect_flags(struct seq_file *m, void *data); | |
73bb1da6 | 495 | |
d7e09d03 | 496 | struct adaptive_timeout; |
8150a97f JP |
497 | int lprocfs_at_hist_helper(struct seq_file *m, struct adaptive_timeout *at); |
498 | int lprocfs_rd_timeouts(struct seq_file *m, void *data); | |
8150a97f JP |
499 | int lprocfs_wr_ping(struct file *file, const char __user *buffer, |
500 | size_t count, loff_t *off); | |
501 | int lprocfs_wr_import(struct file *file, const char __user *buffer, | |
73bb1da6 | 502 | size_t count, loff_t *off); |
8150a97f JP |
503 | int lprocfs_rd_pinger_recov(struct seq_file *m, void *n); |
504 | int lprocfs_wr_pinger_recov(struct file *file, const char __user *buffer, | |
505 | size_t count, loff_t *off); | |
d7e09d03 PT |
506 | |
507 | /* Statfs helpers */ | |
d7e09d03 | 508 | |
8150a97f JP |
509 | int lprocfs_write_helper(const char __user *buffer, unsigned long count, |
510 | int *val); | |
8150a97f JP |
511 | int lprocfs_write_u64_helper(const char __user *buffer, |
512 | unsigned long count, __u64 *val); | |
cadffe60 | 513 | int lprocfs_write_frac_u64_helper(const char __user *buffer, |
8150a97f JP |
514 | unsigned long count, |
515 | __u64 *val, int mult); | |
516 | char *lprocfs_find_named_value(const char *buffer, const char *name, | |
517 | size_t *count); | |
d7e09d03 PT |
518 | void lprocfs_oh_tally(struct obd_histogram *oh, unsigned int value); |
519 | void lprocfs_oh_tally_log2(struct obd_histogram *oh, unsigned int value); | |
520 | void lprocfs_oh_clear(struct obd_histogram *oh); | |
521 | unsigned long lprocfs_oh_sum(struct obd_histogram *oh); | |
522 | ||
523 | void lprocfs_stats_collect(struct lprocfs_stats *stats, int idx, | |
524 | struct lprocfs_counter *cnt); | |
525 | ||
bd9a53e6 JS |
526 | int lprocfs_single_release(struct inode *inode, struct file *file); |
527 | int lprocfs_seq_release(struct inode *inode, struct file *file); | |
d7e09d03 | 528 | |
d7e09d03 | 529 | /* write the name##_seq_show function, call LPROC_SEQ_FOPS_RO for read-only |
c56e256d OD |
530 | * proc entries; otherwise, you will define name##_seq_write function also for |
531 | * a read-write proc entry, and then call LPROC_SEQ_SEQ instead. Finally, | |
532 | * call ldebugfs_obd_seq_create(obd, filename, 0444, &name#_fops, data); | |
533 | */ | |
73bb1da6 | 534 | #define __LPROC_SEQ_FOPS(name, custom_seq_write) \ |
06bf61b2 | 535 | static int name##_single_open(struct inode *inode, struct file *file) \ |
73bb1da6 | 536 | { \ |
e4ba525e | 537 | return single_open(file, name##_seq_show, inode->i_private); \ |
73bb1da6 | 538 | } \ |
ae839184 | 539 | static const struct file_operations name##_fops = { \ |
d7e09d03 PT |
540 | .owner = THIS_MODULE, \ |
541 | .open = name##_single_open, \ | |
542 | .read = seq_read, \ | |
543 | .write = custom_seq_write, \ | |
544 | .llseek = seq_lseek, \ | |
545 | .release = lprocfs_single_release, \ | |
546 | } | |
547 | ||
548 | #define LPROC_SEQ_FOPS_RO(name) __LPROC_SEQ_FOPS(name, NULL) | |
549 | #define LPROC_SEQ_FOPS(name) __LPROC_SEQ_FOPS(name, name##_seq_write) | |
550 | ||
73bb1da6 PT |
551 | #define LPROC_SEQ_FOPS_RO_TYPE(name, type) \ |
552 | static int name##_##type##_seq_show(struct seq_file *m, void *v)\ | |
553 | { \ | |
554 | return lprocfs_rd_##type(m, m->private); \ | |
555 | } \ | |
556 | LPROC_SEQ_FOPS_RO(name##_##type) | |
557 | ||
558 | #define LPROC_SEQ_FOPS_RW_TYPE(name, type) \ | |
559 | static int name##_##type##_seq_show(struct seq_file *m, void *v)\ | |
560 | { \ | |
561 | return lprocfs_rd_##type(m, m->private); \ | |
562 | } \ | |
563 | static ssize_t name##_##type##_seq_write(struct file *file, \ | |
e84962e3 TL |
564 | const char __user *buffer, size_t count, \ |
565 | loff_t *off) \ | |
73bb1da6 PT |
566 | { \ |
567 | struct seq_file *seq = file->private_data; \ | |
568 | return lprocfs_wr_##type(file, buffer, \ | |
569 | count, seq->private); \ | |
570 | } \ | |
06133e80 | 571 | LPROC_SEQ_FOPS(name##_##type) |
73bb1da6 PT |
572 | |
573 | #define LPROC_SEQ_FOPS_WR_ONLY(name, type) \ | |
574 | static ssize_t name##_##type##_write(struct file *file, \ | |
e84962e3 TL |
575 | const char __user *buffer, size_t count, \ |
576 | loff_t *off) \ | |
73bb1da6 PT |
577 | { \ |
578 | return lprocfs_wr_##type(file, buffer, count, off); \ | |
579 | } \ | |
06bf61b2 | 580 | static int name##_##type##_open(struct inode *inode, struct file *file) \ |
73bb1da6 | 581 | { \ |
e4ba525e | 582 | return single_open(file, NULL, inode->i_private); \ |
73bb1da6 | 583 | } \ |
ae839184 | 584 | static const struct file_operations name##_##type##_fops = { \ |
73bb1da6 PT |
585 | .open = name##_##type##_open, \ |
586 | .write = name##_##type##_write, \ | |
587 | .release = lprocfs_single_release, \ | |
06133e80 | 588 | } |
73bb1da6 | 589 | |
5e66f70e OD |
590 | struct lustre_attr { |
591 | struct attribute attr; | |
592 | ssize_t (*show)(struct kobject *kobj, struct attribute *attr, | |
593 | char *buf); | |
594 | ssize_t (*store)(struct kobject *kobj, struct attribute *attr, | |
595 | const char *buf, size_t len); | |
596 | }; | |
597 | ||
598 | #define LUSTRE_ATTR(name, mode, show, store) \ | |
599 | static struct lustre_attr lustre_attr_##name = __ATTR(name, mode, show, store) | |
600 | ||
601 | #define LUSTRE_RO_ATTR(name) LUSTRE_ATTR(name, 0444, name##_show, NULL) | |
602 | #define LUSTRE_RW_ATTR(name) LUSTRE_ATTR(name, 0644, name##_show, name##_store) | |
603 | ||
5e66f70e OD |
604 | extern const struct sysfs_ops lustre_sysfs_ops; |
605 | ||
c948390f | 606 | struct root_squash_info; |
0db184bc | 607 | int lprocfs_wr_root_squash(const char __user *buffer, unsigned long count, |
c948390f | 608 | struct root_squash_info *squash, char *name); |
0db184bc | 609 | int lprocfs_wr_nosquash_nids(const char __user *buffer, unsigned long count, |
c948390f GP |
610 | struct root_squash_info *squash, char *name); |
611 | ||
d7e09d03 | 612 | /* all quota proc functions */ |
8150a97f JP |
613 | int lprocfs_quota_rd_bunit(char *page, char **start, |
614 | loff_t off, int count, | |
615 | int *eof, void *data); | |
616 | int lprocfs_quota_wr_bunit(struct file *file, const char *buffer, | |
617 | unsigned long count, void *data); | |
618 | int lprocfs_quota_rd_btune(char *page, char **start, | |
619 | loff_t off, int count, | |
620 | int *eof, void *data); | |
621 | int lprocfs_quota_wr_btune(struct file *file, const char *buffer, | |
622 | unsigned long count, void *data); | |
623 | int lprocfs_quota_rd_iunit(char *page, char **start, | |
624 | loff_t off, int count, | |
625 | int *eof, void *data); | |
626 | int lprocfs_quota_wr_iunit(struct file *file, const char *buffer, | |
627 | unsigned long count, void *data); | |
628 | int lprocfs_quota_rd_itune(char *page, char **start, | |
629 | loff_t off, int count, | |
630 | int *eof, void *data); | |
631 | int lprocfs_quota_wr_itune(struct file *file, const char *buffer, | |
632 | unsigned long count, void *data); | |
633 | int lprocfs_quota_rd_type(char *page, char **start, loff_t off, int count, | |
634 | int *eof, void *data); | |
635 | int lprocfs_quota_wr_type(struct file *file, const char *buffer, | |
636 | unsigned long count, void *data); | |
637 | int lprocfs_quota_rd_switch_seconds(char *page, char **start, loff_t off, | |
638 | int count, int *eof, void *data); | |
639 | int lprocfs_quota_wr_switch_seconds(struct file *file, | |
640 | const char *buffer, | |
641 | unsigned long count, void *data); | |
642 | int lprocfs_quota_rd_sync_blk(char *page, char **start, loff_t off, | |
643 | int count, int *eof, void *data); | |
644 | int lprocfs_quota_wr_sync_blk(struct file *file, const char *buffer, | |
645 | unsigned long count, void *data); | |
646 | int lprocfs_quota_rd_switch_qs(char *page, char **start, loff_t off, | |
647 | int count, int *eof, void *data); | |
648 | int lprocfs_quota_wr_switch_qs(struct file *file, | |
649 | const char *buffer, unsigned long count, | |
650 | void *data); | |
651 | int lprocfs_quota_rd_boundary_factor(char *page, char **start, loff_t off, | |
d7e09d03 | 652 | int count, int *eof, void *data); |
8150a97f JP |
653 | int lprocfs_quota_wr_boundary_factor(struct file *file, |
654 | const char *buffer, unsigned long count, | |
655 | void *data); | |
656 | int lprocfs_quota_rd_least_bunit(char *page, char **start, loff_t off, | |
657 | int count, int *eof, void *data); | |
658 | int lprocfs_quota_wr_least_bunit(struct file *file, | |
659 | const char *buffer, unsigned long count, | |
660 | void *data); | |
661 | int lprocfs_quota_rd_least_iunit(char *page, char **start, loff_t off, | |
662 | int count, int *eof, void *data); | |
663 | int lprocfs_quota_wr_least_iunit(struct file *file, | |
664 | const char *buffer, unsigned long count, | |
665 | void *data); | |
666 | int lprocfs_quota_rd_qs_factor(char *page, char **start, loff_t off, | |
667 | int count, int *eof, void *data); | |
668 | int lprocfs_quota_wr_qs_factor(struct file *file, | |
669 | const char *buffer, unsigned long count, | |
670 | void *data); | |
d7e09d03 | 671 | #endif /* LPROCFS_SNMP_H */ |