1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
6 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 only,
10 * as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License version 2 for more details (a copy is included
16 * in the LICENSE file that accompanied this code).
18 * You should have received a copy of the GNU General Public License
19 * version 2 along with this program; If not, see
20 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
22 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
23 * CA 95054 USA or visit www.sun.com if you need additional information or
29 * Copyright 2008 Sun Microsystems, Inc. All rights reserved
30 * Use is subject to license terms.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 * lustre/include/lprocfs_status.h
38 * Top level header file for LProc SNMP
40 * Author: Hariharan Thantry thantry@users.sourceforge.net
42 #ifndef _LPROCFS_SNMP_H
43 #define _LPROCFS_SNMP_H
45 #include <lustre/lustre_idl.h>
46 #if defined(__linux__)
47 #include <linux/lprocfs_status.h>
48 #elif defined(__APPLE__)
49 #include <darwin/lprocfs_status.h>
50 #elif defined(__WINNT__)
51 #include <winnt/lprocfs_status.h>
53 #error Unsupported operating system.
57 #if (defined(__KERNEL__) && defined(CONFIG_PROC_FS))
63 cfs_read_proc_t *read_fptr;
64 cfs_write_proc_t *write_fptr;
66 struct file_operations *fops;
73 struct lprocfs_static_vars {
74 struct lprocfs_vars *module_vars;
75 struct lprocfs_vars *obd_vars;
78 /* if we find more consumers this could be generalized */
79 #define OBD_HIST_MAX 32
80 struct obd_histogram {
82 unsigned long oh_buckets[OBD_HIST_MAX];
104 struct obd_histogram hist[BRW_LAST];
108 /* An lprocfs counter can be configured using the enum bit masks below.
110 * LPROCFS_CNTR_EXTERNALLOCK indicates that an external lock already
111 * protects this counter from concurrent updates. If not specified,
112 * lprocfs an internal per-counter lock variable. External locks are
113 * not used to protect counter increments, but are used to protect
114 * counter readout and resets.
116 * LPROCFS_CNTR_AVGMINMAX indicates a multi-valued counter samples,
117 * (i.e. counter can be incremented by more than "1"). When specified,
118 * the counter maintains min, max and sum in addition to a simple
119 * invocation count. This allows averages to be be computed.
120 * If not specified, the counter is an increment-by-1 counter.
121 * min, max, sum, etc. are not maintained.
123 * LPROCFS_CNTR_STDDEV indicates that the counter should track sum of
124 * squares (for multi-valued counter samples only). This allows
125 * external computation of standard deviation, but involves a 64-bit
126 * multiply per counter increment.
130 LPROCFS_CNTR_EXTERNALLOCK = 0x0001,
131 LPROCFS_CNTR_AVGMINMAX = 0x0002,
132 LPROCFS_CNTR_STDDEV = 0x0004,
134 /* counter data type */
135 LPROCFS_TYPE_REGS = 0x0100,
136 LPROCFS_TYPE_BYTES = 0x0200,
137 LPROCFS_TYPE_PAGES = 0x0400,
138 LPROCFS_TYPE_CYCLE = 0x0800,
141 struct lprocfs_atomic {
146 #define LC_MIN_INIT ((~(__u64)0) >> 1)
148 struct lprocfs_counter {
149 struct lprocfs_atomic lc_cntl; /* may need to move to per set */
150 unsigned int lc_config;
156 const char *lc_name; /* must be static */
157 const char *lc_units; /* must be static */
160 struct lprocfs_percpu {
161 struct lprocfs_counter lp_cntr[0];
164 #define LPROCFS_GET_NUM_CPU 0x0001
165 #define LPROCFS_GET_SMP_ID 0x0002
167 enum lprocfs_stats_flags {
168 LPROCFS_STATS_FLAG_PERCPU = 0x0000, /* per cpu counter */
169 LPROCFS_STATS_FLAG_NOPERCPU = 0x0001, /* stats have no percpu
170 * area and need locking */
173 enum lprocfs_fields_flags {
174 LPROCFS_FIELDS_FLAGS_CONFIG = 0x0001,
175 LPROCFS_FIELDS_FLAGS_SUM = 0x0002,
176 LPROCFS_FIELDS_FLAGS_MIN = 0x0003,
177 LPROCFS_FIELDS_FLAGS_MAX = 0x0004,
178 LPROCFS_FIELDS_FLAGS_AVG = 0x0005,
179 LPROCFS_FIELDS_FLAGS_SUMSQUARE = 0x0006,
180 LPROCFS_FIELDS_FLAGS_COUNT = 0x0007,
183 struct lprocfs_stats {
184 unsigned int ls_num; /* # of counters */
185 int ls_flags; /* See LPROCFS_STATS_FLAG_* */
186 spinlock_t ls_lock; /* Lock used only when there are
187 * no percpu stats areas */
188 struct lprocfs_percpu *ls_percpu[0];
191 static inline int opcode_offset(__u32 opc) {
192 if (opc < OST_LAST_OPC) {
194 return (opc - OST_FIRST_OPC);
195 } else if (opc < MDS_LAST_OPC) {
197 return (opc - MDS_FIRST_OPC +
198 (OST_LAST_OPC - OST_FIRST_OPC));
199 } else if (opc < LDLM_LAST_OPC) {
201 return (opc - LDLM_FIRST_OPC +
202 (MDS_LAST_OPC - MDS_FIRST_OPC) +
203 (OST_LAST_OPC - OST_FIRST_OPC));
204 } else if (opc < MGS_LAST_OPC) {
206 return (opc - MGS_FIRST_OPC +
207 (LDLM_LAST_OPC - LDLM_FIRST_OPC) +
208 (MDS_LAST_OPC - MDS_FIRST_OPC) +
209 (OST_LAST_OPC - OST_FIRST_OPC));
210 } else if (opc < OBD_LAST_OPC) {
212 return (opc - OBD_FIRST_OPC +
213 (MGS_LAST_OPC - MGS_FIRST_OPC) +
214 (LDLM_LAST_OPC - LDLM_FIRST_OPC) +
215 (MDS_LAST_OPC - MDS_FIRST_OPC) +
216 (OST_LAST_OPC - OST_FIRST_OPC));
217 } else if (opc < LLOG_LAST_OPC) {
219 return (opc - LLOG_FIRST_OPC +
220 (OBD_LAST_OPC - OBD_FIRST_OPC) +
221 (MGS_LAST_OPC - MGS_FIRST_OPC) +
222 (LDLM_LAST_OPC - LDLM_FIRST_OPC) +
223 (MDS_LAST_OPC - MDS_FIRST_OPC) +
224 (OST_LAST_OPC - OST_FIRST_OPC));
225 } else if (opc < FLD_LAST_OPC) {
227 return (opc - FLD_FIRST_OPC +
228 (LLOG_LAST_OPC - LLOG_FIRST_OPC) +
229 (OBD_LAST_OPC - OBD_FIRST_OPC) +
230 (MGS_LAST_OPC - MGS_FIRST_OPC) +
231 (LDLM_LAST_OPC - LDLM_FIRST_OPC) +
232 (MDS_LAST_OPC - MDS_FIRST_OPC) +
233 (OST_LAST_OPC - OST_FIRST_OPC));
234 } else if (opc < SEQ_LAST_OPC) {
236 return (opc - SEQ_FIRST_OPC +
237 (FLD_LAST_OPC - FLD_FIRST_OPC) +
238 (LLOG_LAST_OPC - LLOG_FIRST_OPC) +
239 (OBD_LAST_OPC - OBD_FIRST_OPC) +
240 (MGS_LAST_OPC - MGS_FIRST_OPC) +
241 (LDLM_LAST_OPC - LDLM_FIRST_OPC) +
242 (MDS_LAST_OPC - MDS_FIRST_OPC) +
243 (OST_LAST_OPC - OST_FIRST_OPC));
244 } else if (opc < SEC_LAST_OPC) {
246 return (opc - SEC_FIRST_OPC +
247 (SEQ_LAST_OPC - SEQ_FIRST_OPC) +
248 (FLD_LAST_OPC - FLD_FIRST_OPC) +
249 (LLOG_LAST_OPC - LLOG_FIRST_OPC) +
250 (OBD_LAST_OPC - OBD_FIRST_OPC) +
251 (MGS_LAST_OPC - MGS_FIRST_OPC) +
252 (LDLM_LAST_OPC - LDLM_FIRST_OPC) +
253 (MDS_LAST_OPC - MDS_FIRST_OPC) +
254 (OST_LAST_OPC - OST_FIRST_OPC));
255 } else if (opc < QUOTA_LAST_OPC) {
257 return (opc - QUOTA_FIRST_OPC +
258 (SEC_LAST_OPC - SEC_FIRST_OPC) +
259 (SEQ_LAST_OPC - SEQ_FIRST_OPC) +
260 (FLD_LAST_OPC - FLD_FIRST_OPC) +
261 (LLOG_LAST_OPC - LLOG_FIRST_OPC) +
262 (OBD_LAST_OPC - OBD_FIRST_OPC) +
263 (MGS_LAST_OPC - MGS_FIRST_OPC) +
264 (LDLM_LAST_OPC - LDLM_FIRST_OPC) +
265 (MDS_LAST_OPC - MDS_FIRST_OPC) +
266 (OST_LAST_OPC - OST_FIRST_OPC));
273 #define LUSTRE_MAX_OPCODES ((LDLM_LAST_OPC - LDLM_FIRST_OPC) + \
274 (MDS_LAST_OPC - MDS_FIRST_OPC) + \
275 (OST_LAST_OPC - OST_FIRST_OPC) + \
276 (OBD_LAST_OPC - OBD_FIRST_OPC) + \
277 (FLD_LAST_OPC - FLD_FIRST_OPC) + \
278 (SEQ_LAST_OPC - SEQ_FIRST_OPC) + \
279 (MGS_LAST_OPC - MGS_FIRST_OPC) + \
280 (LLOG_LAST_OPC - LLOG_FIRST_OPC) + \
281 (SEC_LAST_OPC - SEC_FIRST_OPC) + \
282 (QUOTA_LAST_OPC - QUOTA_FIRST_OPC))
284 #define EXTRA_MAX_OPCODES ((PTLRPC_LAST_CNTR - PTLRPC_FIRST_CNTR) + \
285 (EXTRA_LAST_OPC - EXTRA_FIRST_OPC))
288 PTLRPC_REQWAIT_CNTR = 0,
289 PTLRPC_REQQDEPTH_CNTR,
290 PTLRPC_REQACTIVE_CNTR,
292 PTLRPC_REQBUF_AVAIL_CNTR,
296 #define PTLRPC_FIRST_CNTR PTLRPC_REQWAIT_CNTR
299 LDLM_GLIMPSE_ENQUEUE = 0,
316 #define EXTRA_FIRST_OPC LDLM_GLIMPSE_ENQUEUE
318 extern cfs_proc_dir_entry_t *proc_lustre_root;
322 struct obd_histogram;
324 /* Days / hours / mins / seconds format */
328 static inline void s2dhms(struct dhms *ts, time_t secs)
330 ts->d = secs / 86400;
337 #define DHMS_FMT "%dd%dh%02dm%02ds"
338 #define DHMS_VARS(x) (x)->d, (x)->h, (x)->m, (x)->s
343 static inline int lprocfs_stats_lock(struct lprocfs_stats *stats, int type)
347 if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) {
348 if (type & LPROCFS_GET_NUM_CPU)
350 if (type & LPROCFS_GET_SMP_ID)
352 spin_lock(&stats->ls_lock);
354 if (type & LPROCFS_GET_NUM_CPU)
355 rc = num_possible_cpus();
356 if (type & LPROCFS_GET_SMP_ID)
357 rc = smp_processor_id();
362 static inline void lprocfs_stats_unlock(struct lprocfs_stats *stats)
364 if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU)
365 spin_unlock(&stats->ls_lock);
368 /* Two optimized LPROCFS counter increment functions are provided:
369 * lprocfs_counter_incr(cntr, value) - optimized for by-one counters
370 * lprocfs_counter_add(cntr) - use for multi-valued counters
371 * Counter data layout allows config flag, counter lock and the
372 * count itself to reside within a single cache line.
375 extern void lprocfs_counter_add(struct lprocfs_stats *stats, int idx,
377 extern void lprocfs_counter_sub(struct lprocfs_stats *stats, int idx,
380 #define lprocfs_counter_incr(stats, idx) \
381 lprocfs_counter_add(stats, idx, 1)
382 #define lprocfs_counter_decr(stats, idx) \
383 lprocfs_counter_sub(stats, idx, 1)
385 extern __s64 lprocfs_read_helper(struct lprocfs_counter *lc,
386 enum lprocfs_fields_flags field);
387 static inline __u64 lprocfs_stats_collector(struct lprocfs_stats *stats,
389 enum lprocfs_fields_flags field)
394 LASSERT(stats != NULL);
395 for (i = 0; i < num_possible_cpus(); i++)
396 ret += lprocfs_read_helper(&(stats->ls_percpu[i]->lp_cntr[idx]),
401 extern struct lprocfs_stats *lprocfs_alloc_stats(unsigned int num,
402 enum lprocfs_stats_flags flags);
403 extern void lprocfs_clear_stats(struct lprocfs_stats *stats);
404 extern void lprocfs_free_stats(struct lprocfs_stats **stats);
405 extern void lprocfs_init_ops_stats(int num_private_stats,
406 struct lprocfs_stats *stats);
407 extern void lprocfs_init_ldlm_stats(struct lprocfs_stats *ldlm_stats);
408 extern int lprocfs_alloc_obd_stats(struct obd_device *obddev,
409 unsigned int num_private_stats);
410 extern int lprocfs_alloc_md_stats(struct obd_device *obddev,
411 unsigned int num_private_stats);
412 extern void lprocfs_counter_init(struct lprocfs_stats *stats, int index,
413 unsigned conf, const char *name,
415 extern void lprocfs_free_obd_stats(struct obd_device *obddev);
418 extern int lprocfs_add_clear_entry(struct obd_device * obd,
419 cfs_proc_dir_entry_t *entry);
420 extern int lprocfs_exp_setup(struct obd_export *exp,
421 lnet_nid_t *peer_nid, int *newnid);
422 extern int lprocfs_exp_cleanup(struct obd_export *exp);
423 extern cfs_proc_dir_entry_t *lprocfs_add_simple(struct proc_dir_entry *root,
425 cfs_read_proc_t *read_proc,
426 cfs_write_proc_t *write_proc,
428 struct file_operations *fops);
429 extern struct proc_dir_entry *lprocfs_add_symlink(const char *name,
430 struct proc_dir_entry *parent, const char *dest);
431 extern void lprocfs_free_per_client_stats(struct obd_device *obd);
432 extern int lprocfs_nid_stats_clear_write(struct file *file, const char *buffer,
433 unsigned long count, void *data);
434 extern int lprocfs_nid_stats_clear_read(char *page, char **start, off_t off,
435 int count, int *eof, void *data);
437 extern int lprocfs_register_stats(cfs_proc_dir_entry_t *root, const char *name,
438 struct lprocfs_stats *stats);
440 /* lprocfs_status.c */
441 extern int lprocfs_add_vars(cfs_proc_dir_entry_t *root,
442 struct lprocfs_vars *var,
445 extern cfs_proc_dir_entry_t *lprocfs_register(const char *name,
446 cfs_proc_dir_entry_t *parent,
447 struct lprocfs_vars *list,
450 extern void lprocfs_remove(cfs_proc_dir_entry_t **root);
451 extern void lprocfs_remove_proc_entry(const char *name,
452 struct proc_dir_entry *parent);
454 extern cfs_proc_dir_entry_t *lprocfs_srch(cfs_proc_dir_entry_t *root,
457 extern int lprocfs_obd_setup(struct obd_device *obd, struct lprocfs_vars *list);
458 extern int lprocfs_obd_cleanup(struct obd_device *obd);
459 extern void lprocfs_free_per_client_stats(struct obd_device *obd);
460 extern struct file_operations lprocfs_evict_client_fops;
462 extern int lprocfs_seq_create(cfs_proc_dir_entry_t *parent, char *name,
463 mode_t mode, struct file_operations *seq_fops,
465 extern int lprocfs_obd_seq_create(struct obd_device *dev, char *name,
466 mode_t mode, struct file_operations *seq_fops,
469 /* Generic callbacks */
471 extern int lprocfs_rd_u64(char *page, char **start, off_t off,
472 int count, int *eof, void *data);
473 extern int lprocfs_rd_atomic(char *page, char **start, off_t off,
474 int count, int *eof, void *data);
475 extern int lprocfs_wr_atomic(struct file *file, const char *buffer,
476 unsigned long count, void *data);
477 extern int lprocfs_rd_uint(char *page, char **start, off_t off,
478 int count, int *eof, void *data);
479 extern int lprocfs_wr_uint(struct file *file, const char *buffer,
480 unsigned long count, void *data);
481 extern int lprocfs_rd_uuid(char *page, char **start, off_t off,
482 int count, int *eof, void *data);
483 extern int lprocfs_rd_name(char *page, char **start, off_t off,
484 int count, int *eof, void *data);
485 extern int lprocfs_rd_fstype(char *page, char **start, off_t off,
486 int count, int *eof, void *data);
487 extern int lprocfs_rd_server_uuid(char *page, char **start, off_t off,
488 int count, int *eof, void *data);
489 extern int lprocfs_rd_conn_uuid(char *page, char **start, off_t off,
490 int count, int *eof, void *data);
491 extern int lprocfs_rd_import(char *page, char **start, off_t off, int count,
492 int *eof, void *data);
493 extern int lprocfs_rd_connect_flags(char *page, char **start, off_t off,
494 int count, int *eof, void *data);
495 extern int lprocfs_rd_num_exports(char *page, char **start, off_t off,
496 int count, int *eof, void *data);
497 extern int lprocfs_rd_numrefs(char *page, char **start, off_t off,
498 int count, int *eof, void *data);
499 struct adaptive_timeout;
500 extern int lprocfs_at_hist_helper(char *page, int count, int rc,
501 struct adaptive_timeout *at);
502 extern int lprocfs_rd_timeouts(char *page, char **start, off_t off,
503 int count, int *eof, void *data);
504 extern int lprocfs_wr_timeouts(struct file *file, const char *buffer,
505 unsigned long count, void *data);
506 extern int lprocfs_wr_evict_client(struct file *file, const char *buffer,
507 unsigned long count, void *data);
508 extern int lprocfs_wr_ping(struct file *file, const char *buffer,
509 unsigned long count, void *data);
512 extern int lprocfs_rd_blksize(char *page, char **start, off_t off,
513 int count, int *eof, void *data);
514 extern int lprocfs_rd_kbytestotal(char *page, char **start, off_t off,
515 int count, int *eof, void *data);
516 extern int lprocfs_rd_kbytesfree(char *page, char **start, off_t off,
517 int count, int *eof, void *data);
518 extern int lprocfs_rd_kbytesavail(char *page, char **start, off_t off,
519 int count, int *eof, void *data);
520 extern int lprocfs_rd_filestotal(char *page, char **start, off_t off,
521 int count, int *eof, void *data);
522 extern int lprocfs_rd_filesfree(char *page, char **start, off_t off,
523 int count, int *eof, void *data);
524 extern int lprocfs_rd_filegroups(char *page, char **start, off_t off,
525 int count, int *eof, void *data);
527 extern int lprocfs_write_helper(const char *buffer, unsigned long count,
529 extern int lprocfs_write_frac_helper(const char *buffer, unsigned long count,
531 extern int lprocfs_read_frac_helper(char *buffer, unsigned long count,
533 extern int lprocfs_write_u64_helper(const char *buffer, unsigned long count,
535 extern int lprocfs_write_frac_u64_helper(const char *buffer, unsigned long count,
536 __u64 *val, int mult);
537 void lprocfs_oh_tally(struct obd_histogram *oh, unsigned int value);
538 void lprocfs_oh_tally_log2(struct obd_histogram *oh, unsigned int value);
539 void lprocfs_oh_clear(struct obd_histogram *oh);
540 unsigned long lprocfs_oh_sum(struct obd_histogram *oh);
542 /* lprocfs_status.c: counter read/write functions */
543 extern int lprocfs_counter_read(char *page, char **start, off_t off,
544 int count, int *eof, void *data);
545 extern int lprocfs_counter_write(struct file *file, const char *buffer,
546 unsigned long count, void *data);
548 /* lprocfs_status.c: recovery status */
549 int lprocfs_obd_rd_recovery_status(char *page, char **start, off_t off,
550 int count, int *eof, void *data);
552 /* lprocfs_statuc.c: hash statistics */
553 int lprocfs_obd_rd_hash(char *page, char **start, off_t off,
554 int count, int *eof, void *data);
556 extern int lprocfs_seq_release(struct inode *, struct file *);
558 /* in lprocfs_stat.c, to protect the private data for proc entries */
559 extern struct rw_semaphore _lprocfs_lock;
560 #define LPROCFS_ENTRY() do { \
561 down_read(&_lprocfs_lock); \
563 #define LPROCFS_EXIT() do { \
564 up_read(&_lprocfs_lock); \
566 #define LPROCFS_ENTRY_AND_CHECK(dp) do { \
567 typecheck(struct proc_dir_entry *, dp); \
569 if ((dp)->deleted) { \
574 #define LPROCFS_WRITE_ENTRY() do { \
575 down_write(&_lprocfs_lock); \
577 #define LPROCFS_WRITE_EXIT() do { \
578 up_write(&_lprocfs_lock); \
581 /* You must use these macros when you want to refer to
582 * the import in a client obd_device for a lprocfs entry */
583 #define LPROCFS_CLIMP_CHECK(obd) do { \
584 typecheck(struct obd_device *, obd); \
585 down_read(&(obd)->u.cli.cl_sem); \
586 if ((obd)->u.cli.cl_import == NULL) { \
587 up_read(&(obd)->u.cli.cl_sem); \
591 #define LPROCFS_CLIMP_EXIT(obd) \
592 up_read(&(obd)->u.cli.cl_sem);
595 /* write the name##_seq_show function, call LPROC_SEQ_FOPS_RO for read-only
596 proc entries; otherwise, you will define name##_seq_write function also for
597 a read-write proc entry, and then call LPROC_SEQ_SEQ instead. Finally,
598 call lprocfs_obd_seq_create(obd, filename, 0444, &name#_fops, data); */
599 #define __LPROC_SEQ_FOPS(name, custom_seq_write) \
600 static int name##_seq_open(struct inode *inode, struct file *file) { \
601 struct proc_dir_entry *dp = PDE(inode); \
603 LPROCFS_ENTRY_AND_CHECK(dp); \
604 rc = single_open(file, name##_seq_show, dp->data); \
611 struct file_operations name##_fops = { \
612 .owner = THIS_MODULE, \
613 .open = name##_seq_open, \
615 .write = custom_seq_write, \
616 .llseek = seq_lseek, \
617 .release = lprocfs_seq_release, \
620 #define LPROC_SEQ_FOPS_RO(name) __LPROC_SEQ_FOPS(name, NULL)
621 #define LPROC_SEQ_FOPS(name) __LPROC_SEQ_FOPS(name, name##_seq_write)
624 struct ptlrpc_request;
625 extern void target_print_req(void *seq_file, struct ptlrpc_request *req);
627 /* lprocfs_status.c: read recovery max time bz13079 */
628 int lprocfs_obd_rd_recovery_maxtime(char *page, char **start, off_t off,
629 int count, int *eof, void *data);
631 /* lprocfs_status.c: write recovery max time bz13079 */
632 int lprocfs_obd_wr_recovery_maxtime(struct file *file, const char *buffer,
633 unsigned long count, void *data);
635 /* all quota proc functions */
636 extern int lprocfs_quota_rd_bunit(char *page, char **start, off_t off, int count,
637 int *eof, void *data);
638 extern int lprocfs_quota_wr_bunit(struct file *file, const char *buffer,
639 unsigned long count, void *data);
640 extern int lprocfs_quota_rd_btune(char *page, char **start, off_t off, int count,
641 int *eof, void *data);
642 extern int lprocfs_quota_wr_btune(struct file *file, const char *buffer,
643 unsigned long count, void *data);
644 extern int lprocfs_quota_rd_iunit(char *page, char **start, off_t off, int count,
645 int *eof, void *data);
646 extern int lprocfs_quota_wr_iunit(struct file *file, const char *buffer,
647 unsigned long count, void *data);
648 extern int lprocfs_quota_rd_itune(char *page, char **start, off_t off, int count,
649 int *eof, void *data);
650 extern int lprocfs_quota_wr_itune(struct file *file, const char *buffer,
651 unsigned long count, void *data);
652 extern int lprocfs_quota_rd_type(char *page, char **start, off_t off, int count,
653 int *eof, void *data);
654 extern int lprocfs_quota_wr_type(struct file *file, const char *buffer,
655 unsigned long count, void *data);
656 extern int lprocfs_quota_rd_switch_seconds(char *page, char **start, off_t off,
657 int count, int *eof, void *data);
658 extern int lprocfs_quota_wr_switch_seconds(struct file *file, const char *buffer,
659 unsigned long count, void *data);
660 extern int lprocfs_quota_rd_sync_blk(char *page, char **start, off_t off,
661 int count, int *eof, void *data);
662 extern int lprocfs_quota_wr_sync_blk(struct file *file, const char *buffer,
663 unsigned long count, void *data);
664 extern int lprocfs_quota_rd_switch_qs(char *page, char **start, off_t off,
665 int count, int *eof, void *data);
666 extern int lprocfs_quota_wr_switch_qs(struct file *file, const char *buffer,
667 unsigned long count, void *data);
668 extern int lprocfs_quota_rd_boundary_factor(char *page, char **start, off_t off,
669 int count, int *eof, void *data);
670 extern int lprocfs_quota_wr_boundary_factor(struct file *file, const char *buffer,
671 unsigned long count, void *data);
672 extern int lprocfs_quota_rd_least_bunit(char *page, char **start, off_t off,
673 int count, int *eof, void *data);
674 extern int lprocfs_quota_wr_least_bunit(struct file *file, const char *buffer,
675 unsigned long count, void *data);
676 extern int lprocfs_quota_rd_least_iunit(char *page, char **start, off_t off,
677 int count, int *eof, void *data);
678 extern int lprocfs_quota_wr_least_iunit(struct file *file, const char *buffer,
679 unsigned long count, void *data);
680 extern int lprocfs_quota_rd_qs_factor(char *page, char **start, off_t off,
681 int count, int *eof, void *data);
682 extern int lprocfs_quota_wr_qs_factor(struct file *file, const char *buffer,
683 unsigned long count, void *data);
685 /* LPROCFS is not defined */
686 static inline void lprocfs_counter_add(struct lprocfs_stats *stats,
687 int index, long amount) { return; }
688 static inline void lprocfs_counter_incr(struct lprocfs_stats *stats,
689 int index) { return; }
690 static inline void lprocfs_counter_sub(struct lprocfs_stats *stats,
691 int index, long amount) { return; }
692 static inline void lprocfs_counter_init(struct lprocfs_stats *stats,
693 int index, unsigned conf,
694 const char *name, const char *units)
697 static inline __u64 lc_read_helper(struct lprocfs_counter *lc,
698 enum lprocfs_fields_flags field)
701 static inline struct lprocfs_stats* lprocfs_alloc_stats(unsigned int num,
702 enum lprocfs_stats_flags flags)
704 static inline void lprocfs_clear_stats(struct lprocfs_stats *stats)
706 static inline void lprocfs_free_stats(struct lprocfs_stats **stats)
708 static inline int lprocfs_register_stats(cfs_proc_dir_entry_t *root,
710 struct lprocfs_stats *stats)
712 static inline void lprocfs_init_ops_stats(int num_private_stats,
713 struct lprocfs_stats *stats)
715 static inline void lprocfs_init_ldlm_stats(struct lprocfs_stats *ldlm_stats)
717 static inline int lprocfs_alloc_obd_stats(struct obd_device *obddev,
718 unsigned int num_private_stats)
720 static inline int lprocfs_alloc_md_stats(struct obd_device *obddev,
721 unsigned int num_private_stats)
723 static inline void lprocfs_free_obd_stats(struct obd_device *obddev)
727 static inline int lprocfs_add_clear_entry(struct obd_export *exp)
729 static inline int lprocfs_exp_setup(struct obd_export *exp,
730 lnet_nid_t *peer_nid, int *newnid)
732 static inline int lprocfs_exp_cleanup(struct obd_export *exp)
734 static inline cfs_proc_dir_entry_t *lprocfs_add_simple(struct proc_dir_entry *root,
736 cfs_read_proc_t *read_proc,
737 cfs_write_proc_t *write_proc,
739 struct file_operations *fops)
741 static inline struct proc_dir_entry *lprocfs_add_symlink(const char *name,
742 struct proc_dir_entry *parent, const char *dest)
744 static inline void lprocfs_free_per_client_stats(struct obd_device *obd)
747 int lprocfs_nid_stats_clear_write(struct file *file, const char *buffer,
748 unsigned long count, void *data)
751 int lprocfs_nid_stats_clear_read(char *page, char **start, off_t off,
752 int count, int *eof, void *data)
755 static inline cfs_proc_dir_entry_t *
756 lprocfs_register(const char *name, cfs_proc_dir_entry_t *parent,
757 struct lprocfs_vars *list, void *data) { return NULL; }
758 static inline int lprocfs_add_vars(cfs_proc_dir_entry_t *root,
759 struct lprocfs_vars *var,
760 void *data) { return 0; }
761 static inline void lprocfs_remove(cfs_proc_dir_entry_t **root) {};
762 static inline void lprocfs_remove_proc_entry(const char *name,
763 struct proc_dir_entry *parent) {};
764 static inline cfs_proc_dir_entry_t *lprocfs_srch(cfs_proc_dir_entry_t *head,
765 const char *name) {return 0;}
766 static inline int lprocfs_obd_setup(struct obd_device *dev,
767 struct lprocfs_vars *list) { return 0; }
768 static inline int lprocfs_obd_cleanup(struct obd_device *dev) { return 0; }
769 static inline int lprocfs_rd_u64(char *page, char **start, off_t off,
770 int count, int *eof, void *data) { return 0; }
771 static inline int lprocfs_rd_uuid(char *page, char **start, off_t off,
772 int count, int *eof, void *data) { return 0; }
773 static inline int lprocfs_rd_name(char *page, char **start, off_t off,
774 int count, int *eof, void *data) { return 0; }
775 static inline int lprocfs_rd_server_uuid(char *page, char **start, off_t off,
776 int count, int *eof, void *data)
778 static inline int lprocfs_rd_conn_uuid(char *page, char **start, off_t off,
779 int count, int *eof, void *data)
781 static inline int lprocfs_rd_import(char *page, char **start, off_t off, int count,
782 int *eof, void *data) { return 0; }
783 static inline int lprocfs_rd_connect_flags(char *page, char **start, off_t off,
784 int count, int *eof, void *data)
786 static inline int lprocfs_rd_num_exports(char *page, char **start, off_t off,
787 int count, int *eof, void *data)
789 static inline int lprocfs_rd_numrefs(char *page, char **start, off_t off,
790 int count, int *eof, void *data)
792 struct adaptive_timeout;
793 static inline int lprocfs_at_hist_helper(char *page, int count, int rc,
794 struct adaptive_timeout *at)
796 static inline int lprocfs_rd_timeouts(char *page, char **start, off_t off,
797 int count, int *eof, void *data)
799 static inline int lprocfs_wr_timeouts(struct file *file, const char *buffer,
800 unsigned long count, void *data)
802 static inline int lprocfs_wr_evict_client(struct file *file, const char *buffer,
803 unsigned long count, void *data)
805 static inline int lprocfs_wr_ping(struct file *file, const char *buffer,
806 unsigned long count, void *data)
812 int lprocfs_rd_blksize(char *page, char **start, off_t off,
813 int count, int *eof, void *data) { return 0; }
815 int lprocfs_rd_kbytestotal(char *page, char **start, off_t off,
816 int count, int *eof, void *data) { return 0; }
818 int lprocfs_rd_kbytesfree(char *page, char **start, off_t off,
819 int count, int *eof, void *data) { return 0; }
821 int lprocfs_rd_kbytesavail(char *page, char **start, off_t off,
822 int count, int *eof, void *data) { return 0; }
824 int lprocfs_rd_filestotal(char *page, char **start, off_t off,
825 int count, int *eof, void *data) { return 0; }
827 int lprocfs_rd_filesfree(char *page, char **start, off_t off,
828 int count, int *eof, void *data) { return 0; }
830 int lprocfs_rd_filegroups(char *page, char **start, off_t off,
831 int count, int *eof, void *data) { return 0; }
833 void lprocfs_oh_tally(struct obd_histogram *oh, unsigned int value) {}
835 void lprocfs_oh_tally_log2(struct obd_histogram *oh, unsigned int value) {}
837 void lprocfs_oh_clear(struct obd_histogram *oh) {}
839 unsigned long lprocfs_oh_sum(struct obd_histogram *oh) { return 0; }
841 int lprocfs_counter_read(char *page, char **start, off_t off,
842 int count, int *eof, void *data) { return 0; }
844 int lprocfs_counter_write(struct file *file, const char *buffer,
845 unsigned long count, void *data) { return 0; }
848 __u64 lprocfs_stats_collector(struct lprocfs_stats *stats, int idx,
849 enum lprocfs_fields_flags field)
852 #define LPROCFS_ENTRY()
853 #define LPROCFS_EXIT()
854 #define LPROCFS_ENTRY_AND_CHECK(dp)
855 #define LPROC_SEQ_FOPS_RO(name)
856 #define LPROC_SEQ_FOPS(name)
859 #define target_print_req NULL
863 #endif /* LPROCFS_SNMP_H */