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 (c) 2007, 2010, Oracle and/or its affiliates. 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 #if defined(__linux__)
46 #include <linux/lprocfs_status.h>
47 #elif defined(__APPLE__)
48 #include <darwin/lprocfs_status.h>
49 #elif defined(__WINNT__)
50 #include <winnt/lprocfs_status.h>
52 #error Unsupported operating system.
54 #include <lustre/lustre_idl.h>
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 {
81 cfs_spinlock_t oh_lock;
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 {
142 cfs_atomic_t la_entry;
143 cfs_atomic_t la_exit;
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;
157 const char *lc_name; /* must be static */
158 const char *lc_units; /* must be static */
161 struct lprocfs_percpu {
162 struct lprocfs_counter lp_cntr[0];
165 #define LPROCFS_GET_NUM_CPU 0x0001
166 #define LPROCFS_GET_SMP_ID 0x0002
168 enum lprocfs_stats_flags {
169 LPROCFS_STATS_FLAG_NONE = 0x0000, /* per cpu counter */
170 LPROCFS_STATS_FLAG_NOPERCPU = 0x0001, /* stats have no percpu
171 * area and need locking */
174 enum lprocfs_fields_flags {
175 LPROCFS_FIELDS_FLAGS_CONFIG = 0x0001,
176 LPROCFS_FIELDS_FLAGS_SUM = 0x0002,
177 LPROCFS_FIELDS_FLAGS_MIN = 0x0003,
178 LPROCFS_FIELDS_FLAGS_MAX = 0x0004,
179 LPROCFS_FIELDS_FLAGS_AVG = 0x0005,
180 LPROCFS_FIELDS_FLAGS_SUMSQUARE = 0x0006,
181 LPROCFS_FIELDS_FLAGS_COUNT = 0x0007,
184 struct lprocfs_stats {
185 unsigned int ls_num; /* # of counters */
186 int ls_flags; /* See LPROCFS_STATS_FLAG_* */
187 cfs_spinlock_t ls_lock; /* Lock used only when there are
188 * no percpu stats areas */
189 struct lprocfs_percpu *ls_percpu[0];
192 #define OPC_RANGE(seg) (seg ## _LAST_OPC - seg ## _FIRST_OPC)
194 /* Pack all opcodes down into a single monotonically increasing index */
195 static inline int opcode_offset(__u32 opc) {
196 if (opc < OST_LAST_OPC) {
198 return (opc - OST_FIRST_OPC);
199 } else if (opc < MDS_LAST_OPC) {
201 return (opc - MDS_FIRST_OPC +
203 } else if (opc < LDLM_LAST_OPC) {
205 return (opc - LDLM_FIRST_OPC +
208 } else if (opc < MGS_LAST_OPC) {
210 return (opc - MGS_FIRST_OPC +
214 } else if (opc < OBD_LAST_OPC) {
216 return (opc - OBD_FIRST_OPC +
221 } else if (opc < LLOG_LAST_OPC) {
223 return (opc - LLOG_FIRST_OPC +
229 } else if (opc < QUOTA_LAST_OPC) {
231 return (opc - QUOTA_FIRST_OPC +
238 } else if (opc < SEQ_LAST_OPC) {
240 return (opc - SEQ_FIRST_OPC +
248 } else if (opc < SEC_LAST_OPC) {
250 return (opc - SEC_FIRST_OPC +
259 } else if (opc < FLD_LAST_OPC) {
261 return (opc - FLD_FIRST_OPC +
278 #define LUSTRE_MAX_OPCODES (OPC_RANGE(OST) + \
289 #define EXTRA_MAX_OPCODES ((PTLRPC_LAST_CNTR - PTLRPC_FIRST_CNTR) + \
293 PTLRPC_REQWAIT_CNTR = 0,
294 PTLRPC_REQQDEPTH_CNTR,
295 PTLRPC_REQACTIVE_CNTR,
297 PTLRPC_REQBUF_AVAIL_CNTR,
301 #define PTLRPC_FIRST_CNTR PTLRPC_REQWAIT_CNTR
304 LDLM_GLIMPSE_ENQUEUE = 0,
321 #define EXTRA_FIRST_OPC LDLM_GLIMPSE_ENQUEUE
323 extern cfs_proc_dir_entry_t *proc_lustre_root;
327 struct obd_histogram;
329 /* Days / hours / mins / seconds format */
333 static inline void s2dhms(struct dhms *ts, time_t secs)
335 ts->d = secs / 86400;
342 #define DHMS_FMT "%dd%dh%02dm%02ds"
343 #define DHMS_VARS(x) (x)->d, (x)->h, (x)->m, (x)->s
348 static inline int lprocfs_stats_lock(struct lprocfs_stats *stats, int opc)
354 case LPROCFS_GET_SMP_ID:
355 if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) {
356 cfs_spin_lock(&stats->ls_lock);
359 return cfs_get_cpu();
362 case LPROCFS_GET_NUM_CPU:
363 if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) {
364 cfs_spin_lock(&stats->ls_lock);
367 return cfs_num_possible_cpus();
372 static inline void lprocfs_stats_unlock(struct lprocfs_stats *stats, int opc)
378 case LPROCFS_GET_SMP_ID:
379 if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU)
380 cfs_spin_unlock(&stats->ls_lock);
385 case LPROCFS_GET_NUM_CPU:
386 if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU)
387 cfs_spin_unlock(&stats->ls_lock);
392 /* Two optimized LPROCFS counter increment functions are provided:
393 * lprocfs_counter_incr(cntr, value) - optimized for by-one counters
394 * lprocfs_counter_add(cntr) - use for multi-valued counters
395 * Counter data layout allows config flag, counter lock and the
396 * count itself to reside within a single cache line.
399 extern void lprocfs_counter_add(struct lprocfs_stats *stats, int idx,
401 extern void lprocfs_counter_sub(struct lprocfs_stats *stats, int idx,
404 #define lprocfs_counter_incr(stats, idx) \
405 lprocfs_counter_add(stats, idx, 1)
406 #define lprocfs_counter_decr(stats, idx) \
407 lprocfs_counter_sub(stats, idx, 1)
409 extern __s64 lprocfs_read_helper(struct lprocfs_counter *lc,
410 enum lprocfs_fields_flags field);
411 static inline __u64 lprocfs_stats_collector(struct lprocfs_stats *stats,
413 enum lprocfs_fields_flags field)
418 LASSERT(stats != NULL);
419 for (i = 0; i < cfs_num_possible_cpus(); i++)
420 ret += lprocfs_read_helper(&(stats->ls_percpu[i]->lp_cntr[idx]),
425 extern struct lprocfs_stats *lprocfs_alloc_stats(unsigned int num,
426 enum lprocfs_stats_flags flags);
427 extern void lprocfs_clear_stats(struct lprocfs_stats *stats);
428 extern void lprocfs_free_stats(struct lprocfs_stats **stats);
429 extern void lprocfs_init_ops_stats(int num_private_stats,
430 struct lprocfs_stats *stats);
431 extern void lprocfs_init_mps_stats(int num_private_stats,
432 struct lprocfs_stats *stats);
433 extern void lprocfs_init_ldlm_stats(struct lprocfs_stats *ldlm_stats);
434 extern int lprocfs_alloc_obd_stats(struct obd_device *obddev,
435 unsigned int num_private_stats);
436 extern int lprocfs_alloc_md_stats(struct obd_device *obddev,
437 unsigned int num_private_stats);
438 extern void lprocfs_counter_init(struct lprocfs_stats *stats, int index,
439 unsigned conf, const char *name,
441 extern void lprocfs_free_obd_stats(struct obd_device *obddev);
442 extern void lprocfs_free_md_stats(struct obd_device *obddev);
445 extern int lprocfs_add_clear_entry(struct obd_device * obd,
446 cfs_proc_dir_entry_t *entry);
447 extern int lprocfs_exp_setup(struct obd_export *exp,
448 lnet_nid_t *peer_nid, int reconnect, int *newnid);
449 extern int lprocfs_exp_cleanup(struct obd_export *exp);
450 extern cfs_proc_dir_entry_t *lprocfs_add_simple(struct proc_dir_entry *root,
452 cfs_read_proc_t *read_proc,
453 cfs_write_proc_t *write_proc,
455 struct file_operations *fops);
456 extern struct proc_dir_entry *lprocfs_add_symlink(const char *name,
457 struct proc_dir_entry *parent, const char *format, ...);
458 extern void lprocfs_free_per_client_stats(struct obd_device *obd);
459 extern int lprocfs_nid_stats_clear_write(struct file *file, const char *buffer,
460 unsigned long count, void *data);
461 extern int lprocfs_nid_stats_clear_read(char *page, char **start, off_t off,
462 int count, int *eof, void *data);
464 extern int lprocfs_register_stats(cfs_proc_dir_entry_t *root, const char *name,
465 struct lprocfs_stats *stats);
467 /* lprocfs_status.c */
468 extern int lprocfs_add_vars(cfs_proc_dir_entry_t *root,
469 struct lprocfs_vars *var,
472 extern cfs_proc_dir_entry_t *lprocfs_register(const char *name,
473 cfs_proc_dir_entry_t *parent,
474 struct lprocfs_vars *list,
477 extern void lprocfs_remove(cfs_proc_dir_entry_t **root);
478 extern void lprocfs_remove_proc_entry(const char *name,
479 struct proc_dir_entry *parent);
481 extern cfs_proc_dir_entry_t *lprocfs_srch(cfs_proc_dir_entry_t *root,
484 extern int lprocfs_obd_setup(struct obd_device *obd, struct lprocfs_vars *list);
485 extern int lprocfs_obd_cleanup(struct obd_device *obd);
486 extern void lprocfs_free_per_client_stats(struct obd_device *obd);
487 extern struct file_operations lprocfs_evict_client_fops;
489 extern int lprocfs_seq_create(cfs_proc_dir_entry_t *parent, char *name,
490 mode_t mode, struct file_operations *seq_fops,
492 extern int lprocfs_obd_seq_create(struct obd_device *dev, char *name,
493 mode_t mode, struct file_operations *seq_fops,
496 /* Generic callbacks */
498 extern int lprocfs_rd_u64(char *page, char **start, off_t off,
499 int count, int *eof, void *data);
500 extern int lprocfs_rd_atomic(char *page, char **start, off_t off,
501 int count, int *eof, void *data);
502 extern int lprocfs_wr_atomic(struct file *file, const char *buffer,
503 unsigned long count, void *data);
504 extern int lprocfs_rd_uint(char *page, char **start, off_t off,
505 int count, int *eof, void *data);
506 extern int lprocfs_wr_uint(struct file *file, const char *buffer,
507 unsigned long count, void *data);
508 extern int lprocfs_rd_uuid(char *page, char **start, off_t off,
509 int count, int *eof, void *data);
510 extern int lprocfs_rd_name(char *page, char **start, off_t off,
511 int count, int *eof, void *data);
512 extern int lprocfs_rd_fstype(char *page, char **start, off_t off,
513 int count, int *eof, void *data);
514 extern int lprocfs_rd_server_uuid(char *page, char **start, off_t off,
515 int count, int *eof, void *data);
516 extern int lprocfs_rd_conn_uuid(char *page, char **start, off_t off,
517 int count, int *eof, void *data);
518 extern int lprocfs_rd_import(char *page, char **start, off_t off, int count,
519 int *eof, void *data);
520 extern int lprocfs_rd_state(char *page, char **start, off_t off, int count,
521 int *eof, void *data);
522 extern int lprocfs_rd_connect_flags(char *page, char **start, off_t off,
523 int count, int *eof, void *data);
524 extern int lprocfs_rd_num_exports(char *page, char **start, off_t off,
525 int count, int *eof, void *data);
526 extern int lprocfs_rd_numrefs(char *page, char **start, off_t off,
527 int count, int *eof, void *data);
528 struct adaptive_timeout;
529 extern int lprocfs_at_hist_helper(char *page, int count, int rc,
530 struct adaptive_timeout *at);
531 extern int lprocfs_rd_timeouts(char *page, char **start, off_t off,
532 int count, int *eof, void *data);
533 extern int lprocfs_wr_timeouts(struct file *file, const char *buffer,
534 unsigned long count, void *data);
535 extern int lprocfs_wr_evict_client(struct file *file, const char *buffer,
536 unsigned long count, void *data);
537 extern int lprocfs_wr_ping(struct file *file, const char *buffer,
538 unsigned long count, void *data);
541 extern int lprocfs_rd_blksize(char *page, char **start, off_t off,
542 int count, int *eof, void *data);
543 extern int lprocfs_rd_kbytestotal(char *page, char **start, off_t off,
544 int count, int *eof, void *data);
545 extern int lprocfs_rd_kbytesfree(char *page, char **start, off_t off,
546 int count, int *eof, void *data);
547 extern int lprocfs_rd_kbytesavail(char *page, char **start, off_t off,
548 int count, int *eof, void *data);
549 extern int lprocfs_rd_filestotal(char *page, char **start, off_t off,
550 int count, int *eof, void *data);
551 extern int lprocfs_rd_filesfree(char *page, char **start, off_t off,
552 int count, int *eof, void *data);
553 extern int lprocfs_rd_filegroups(char *page, char **start, off_t off,
554 int count, int *eof, void *data);
556 extern int lprocfs_write_helper(const char *buffer, unsigned long count,
558 extern int lprocfs_write_frac_helper(const char *buffer, unsigned long count,
560 extern int lprocfs_read_frac_helper(char *buffer, unsigned long count,
562 extern int lprocfs_write_u64_helper(const char *buffer, unsigned long count,
564 extern int lprocfs_write_frac_u64_helper(const char *buffer, unsigned long count,
565 __u64 *val, int mult);
566 void lprocfs_oh_tally(struct obd_histogram *oh, unsigned int value);
567 void lprocfs_oh_tally_log2(struct obd_histogram *oh, unsigned int value);
568 void lprocfs_oh_clear(struct obd_histogram *oh);
569 unsigned long lprocfs_oh_sum(struct obd_histogram *oh);
571 void lprocfs_stats_collect(struct lprocfs_stats *stats, int idx,
572 struct lprocfs_counter *cnt);
575 /* lprocfs_status.c: recovery status */
576 int lprocfs_obd_rd_recovery_status(char *page, char **start, off_t off,
577 int count, int *eof, void *data);
579 /* lprocfs_statuc.c: hash statistics */
580 int lprocfs_obd_rd_hash(char *page, char **start, off_t off,
581 int count, int *eof, void *data);
583 extern int lprocfs_seq_release(struct inode *, struct file *);
585 /* in lprocfs_stat.c, to protect the private data for proc entries */
586 extern cfs_rw_semaphore_t _lprocfs_lock;
587 #define LPROCFS_ENTRY() do { \
588 cfs_down_read(&_lprocfs_lock); \
590 #define LPROCFS_EXIT() do { \
591 cfs_up_read(&_lprocfs_lock); \
594 #ifdef HAVE_PROCFS_DELETED
596 int LPROCFS_ENTRY_AND_CHECK(struct proc_dir_entry *dp)
607 int LPROCFS_ENTRY_AND_CHECK(struct proc_dir_entry *dp)
614 #define LPROCFS_WRITE_ENTRY() do { \
615 cfs_down_write(&_lprocfs_lock); \
617 #define LPROCFS_WRITE_EXIT() do { \
618 cfs_up_write(&_lprocfs_lock); \
622 /* You must use these macros when you want to refer to
623 * the import in a client obd_device for a lprocfs entry */
624 #define LPROCFS_CLIMP_CHECK(obd) do { \
625 typecheck(struct obd_device *, obd); \
626 cfs_down_read(&(obd)->u.cli.cl_sem); \
627 if ((obd)->u.cli.cl_import == NULL) { \
628 cfs_up_read(&(obd)->u.cli.cl_sem); \
632 #define LPROCFS_CLIMP_EXIT(obd) \
633 cfs_up_read(&(obd)->u.cli.cl_sem);
636 /* write the name##_seq_show function, call LPROC_SEQ_FOPS_RO for read-only
637 proc entries; otherwise, you will define name##_seq_write function also for
638 a read-write proc entry, and then call LPROC_SEQ_SEQ instead. Finally,
639 call lprocfs_obd_seq_create(obd, filename, 0444, &name#_fops, data); */
640 #define __LPROC_SEQ_FOPS(name, custom_seq_write) \
641 static int name##_seq_open(struct inode *inode, struct file *file) { \
642 struct proc_dir_entry *dp = PDE(inode); \
644 LPROCFS_ENTRY_AND_CHECK(dp); \
645 rc = single_open(file, name##_seq_show, dp->data); \
652 struct file_operations name##_fops = { \
653 .owner = THIS_MODULE, \
654 .open = name##_seq_open, \
656 .write = custom_seq_write, \
657 .llseek = seq_lseek, \
658 .release = lprocfs_seq_release, \
661 #define LPROC_SEQ_FOPS_RO(name) __LPROC_SEQ_FOPS(name, NULL)
662 #define LPROC_SEQ_FOPS(name) __LPROC_SEQ_FOPS(name, name##_seq_write)
665 struct ptlrpc_request;
666 extern void target_print_req(void *seq_file, struct ptlrpc_request *req);
669 int lprocfs_obd_rd_recovery_time_soft(char *page, char **start, off_t off,
670 int count, int *eof, void *data);
671 int lprocfs_obd_wr_recovery_time_soft(struct file *file, const char *buffer,
672 unsigned long count, void *data);
673 int lprocfs_obd_rd_recovery_time_hard(char *page, char **start, off_t off,
674 int count, int *eof, void *data);
675 int lprocfs_obd_wr_recovery_time_hard(struct file *file, const char *buffer,
676 unsigned long count, void *data);
677 int lprocfs_obd_rd_mntdev(char *page, char **start, off_t off,
678 int count, int *eof, void *data);
679 /* all quota proc functions */
680 extern int lprocfs_quota_rd_bunit(char *page, char **start, off_t off, int count,
681 int *eof, void *data);
682 extern int lprocfs_quota_wr_bunit(struct file *file, const char *buffer,
683 unsigned long count, void *data);
684 extern int lprocfs_quota_rd_btune(char *page, char **start, off_t off, int count,
685 int *eof, void *data);
686 extern int lprocfs_quota_wr_btune(struct file *file, const char *buffer,
687 unsigned long count, void *data);
688 extern int lprocfs_quota_rd_iunit(char *page, char **start, off_t off, int count,
689 int *eof, void *data);
690 extern int lprocfs_quota_wr_iunit(struct file *file, const char *buffer,
691 unsigned long count, void *data);
692 extern int lprocfs_quota_rd_itune(char *page, char **start, off_t off, int count,
693 int *eof, void *data);
694 extern int lprocfs_quota_wr_itune(struct file *file, const char *buffer,
695 unsigned long count, void *data);
696 extern int lprocfs_quota_rd_type(char *page, char **start, off_t off, int count,
697 int *eof, void *data);
698 extern int lprocfs_quota_wr_type(struct file *file, const char *buffer,
699 unsigned long count, void *data);
700 extern int lprocfs_quota_rd_switch_seconds(char *page, char **start, off_t off,
701 int count, int *eof, void *data);
702 extern int lprocfs_quota_wr_switch_seconds(struct file *file, const char *buffer,
703 unsigned long count, void *data);
704 extern int lprocfs_quota_rd_sync_blk(char *page, char **start, off_t off,
705 int count, int *eof, void *data);
706 extern int lprocfs_quota_wr_sync_blk(struct file *file, const char *buffer,
707 unsigned long count, void *data);
708 extern int lprocfs_quota_rd_switch_qs(char *page, char **start, off_t off,
709 int count, int *eof, void *data);
710 extern int lprocfs_quota_wr_switch_qs(struct file *file, const char *buffer,
711 unsigned long count, void *data);
712 extern int lprocfs_quota_rd_boundary_factor(char *page, char **start, off_t off,
713 int count, int *eof, void *data);
714 extern int lprocfs_quota_wr_boundary_factor(struct file *file, const char *buffer,
715 unsigned long count, void *data);
716 extern int lprocfs_quota_rd_least_bunit(char *page, char **start, off_t off,
717 int count, int *eof, void *data);
718 extern int lprocfs_quota_wr_least_bunit(struct file *file, const char *buffer,
719 unsigned long count, void *data);
720 extern int lprocfs_quota_rd_least_iunit(char *page, char **start, off_t off,
721 int count, int *eof, void *data);
722 extern int lprocfs_quota_wr_least_iunit(struct file *file, const char *buffer,
723 unsigned long count, void *data);
724 extern int lprocfs_quota_rd_qs_factor(char *page, char **start, off_t off,
725 int count, int *eof, void *data);
726 extern int lprocfs_quota_wr_qs_factor(struct file *file, const char *buffer,
727 unsigned long count, void *data);
732 /* LPROCFS is not defined */
736 static inline void lprocfs_counter_add(struct lprocfs_stats *stats,
737 int index, long amount) { return; }
738 static inline void lprocfs_counter_incr(struct lprocfs_stats *stats,
739 int index) { return; }
740 static inline void lprocfs_counter_decr(struct lprocfs_stats *stats,
741 int index) { return; }
742 static inline void lprocfs_counter_sub(struct lprocfs_stats *stats,
743 int index, long amount) { return; }
744 static inline void lprocfs_counter_init(struct lprocfs_stats *stats,
745 int index, unsigned conf,
746 const char *name, const char *units)
749 static inline __u64 lc_read_helper(struct lprocfs_counter *lc,
750 enum lprocfs_fields_flags field)
753 static inline struct lprocfs_stats* lprocfs_alloc_stats(unsigned int num,
754 enum lprocfs_stats_flags flags)
756 static inline void lprocfs_clear_stats(struct lprocfs_stats *stats)
758 static inline void lprocfs_free_stats(struct lprocfs_stats **stats)
760 static inline int lprocfs_register_stats(cfs_proc_dir_entry_t *root,
762 struct lprocfs_stats *stats)
764 static inline void lprocfs_init_ops_stats(int num_private_stats,
765 struct lprocfs_stats *stats)
767 static inline void lprocfs_init_mps_stats(int num_private_stats,
768 struct lprocfs_stats *stats)
770 static inline void lprocfs_init_ldlm_stats(struct lprocfs_stats *ldlm_stats)
772 static inline int lprocfs_alloc_obd_stats(struct obd_device *obddev,
773 unsigned int num_private_stats)
775 static inline int lprocfs_alloc_md_stats(struct obd_device *obddev,
776 unsigned int num_private_stats)
778 static inline void lprocfs_free_obd_stats(struct obd_device *obddev)
780 static inline void lprocfs_free_md_stats(struct obd_device *obddev)
784 static inline int lprocfs_add_clear_entry(struct obd_export *exp)
786 static inline int lprocfs_exp_setup(struct obd_export *exp,lnet_nid_t *peer_nid,
787 int reconnect, int *newnid)
789 static inline int lprocfs_exp_cleanup(struct obd_export *exp)
791 static inline cfs_proc_dir_entry_t *lprocfs_add_simple(struct proc_dir_entry *root,
793 cfs_read_proc_t *read_proc,
794 cfs_write_proc_t *write_proc,
796 struct file_operations *fops)
798 static inline struct proc_dir_entry *lprocfs_add_symlink(const char *name,
799 struct proc_dir_entry *parent, const char *format, ...)
801 static inline void lprocfs_free_per_client_stats(struct obd_device *obd)
804 int lprocfs_nid_stats_clear_write(struct file *file, const char *buffer,
805 unsigned long count, void *data)
808 int lprocfs_nid_stats_clear_read(char *page, char **start, off_t off,
809 int count, int *eof, void *data)
812 static inline cfs_proc_dir_entry_t *
813 lprocfs_register(const char *name, cfs_proc_dir_entry_t *parent,
814 struct lprocfs_vars *list, void *data) { return NULL; }
815 static inline int lprocfs_add_vars(cfs_proc_dir_entry_t *root,
816 struct lprocfs_vars *var,
817 void *data) { return 0; }
818 static inline void lprocfs_remove(cfs_proc_dir_entry_t **root) {};
819 static inline void lprocfs_remove_proc_entry(const char *name,
820 struct proc_dir_entry *parent) {};
821 static inline cfs_proc_dir_entry_t *lprocfs_srch(cfs_proc_dir_entry_t *head,
822 const char *name) {return 0;}
823 static inline int lprocfs_obd_setup(struct obd_device *dev,
824 struct lprocfs_vars *list) { return 0; }
825 static inline int lprocfs_obd_cleanup(struct obd_device *dev) { return 0; }
826 static inline int lprocfs_rd_u64(char *page, char **start, off_t off,
827 int count, int *eof, void *data) { return 0; }
828 static inline int lprocfs_rd_uuid(char *page, char **start, off_t off,
829 int count, int *eof, void *data) { return 0; }
830 static inline int lprocfs_rd_name(char *page, char **start, off_t off,
831 int count, int *eof, void *data) { return 0; }
832 static inline int lprocfs_rd_server_uuid(char *page, char **start, off_t off,
833 int count, int *eof, void *data)
835 static inline int lprocfs_rd_conn_uuid(char *page, char **start, off_t off,
836 int count, int *eof, void *data)
838 static inline int lprocfs_rd_import(char *page, char **start, off_t off,
839 int count, int *eof, void *data)
841 static inline int lprocfs_rd_state(char *page, char **start, off_t off,
842 int count, int *eof, void *data)
844 static inline int lprocfs_rd_connect_flags(char *page, char **start, off_t off,
845 int count, int *eof, void *data)
847 static inline int lprocfs_rd_num_exports(char *page, char **start, off_t off,
848 int count, int *eof, void *data)
850 static inline int lprocfs_rd_numrefs(char *page, char **start, off_t off,
851 int count, int *eof, void *data)
853 struct adaptive_timeout;
854 static inline int lprocfs_at_hist_helper(char *page, int count, int rc,
855 struct adaptive_timeout *at)
857 static inline int lprocfs_rd_timeouts(char *page, char **start, off_t off,
858 int count, int *eof, void *data)
860 static inline int lprocfs_wr_timeouts(struct file *file, const char *buffer,
861 unsigned long count, void *data)
863 static inline int lprocfs_wr_evict_client(struct file *file, const char *buffer,
864 unsigned long count, void *data)
866 static inline int lprocfs_wr_ping(struct file *file, const char *buffer,
867 unsigned long count, void *data)
873 int lprocfs_rd_blksize(char *page, char **start, off_t off,
874 int count, int *eof, void *data) { return 0; }
876 int lprocfs_rd_kbytestotal(char *page, char **start, off_t off,
877 int count, int *eof, void *data) { return 0; }
879 int lprocfs_rd_kbytesfree(char *page, char **start, off_t off,
880 int count, int *eof, void *data) { return 0; }
882 int lprocfs_rd_kbytesavail(char *page, char **start, off_t off,
883 int count, int *eof, void *data) { return 0; }
885 int lprocfs_rd_filestotal(char *page, char **start, off_t off,
886 int count, int *eof, void *data) { return 0; }
888 int lprocfs_rd_filesfree(char *page, char **start, off_t off,
889 int count, int *eof, void *data) { return 0; }
891 int lprocfs_rd_filegroups(char *page, char **start, off_t off,
892 int count, int *eof, void *data) { return 0; }
894 void lprocfs_oh_tally(struct obd_histogram *oh, unsigned int value) {}
896 void lprocfs_oh_tally_log2(struct obd_histogram *oh, unsigned int value) {}
898 void lprocfs_oh_clear(struct obd_histogram *oh) {}
900 unsigned long lprocfs_oh_sum(struct obd_histogram *oh) { return 0; }
902 void lprocfs_stats_collect(struct lprocfs_stats *stats, int idx,
903 struct lprocfs_counter *cnt) {}
906 __u64 lprocfs_stats_collector(struct lprocfs_stats *stats, int idx,
907 enum lprocfs_fields_flags field)
910 #define LPROCFS_ENTRY()
911 #define LPROCFS_EXIT()
912 #define LPROCFS_ENTRY_AND_CHECK(dp)
913 #define LPROC_SEQ_FOPS_RO(name)
914 #define LPROC_SEQ_FOPS(name)
917 #define target_print_req NULL
921 #endif /* LPROCFS_SNMP_H */