4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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.
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).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
27 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
30 * Copyright (c) 2011, 2012, Whamcloud, Inc.
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>
55 #include <libcfs/params_tree.h>
59 cfs_read_proc_t *read_fptr;
60 cfs_write_proc_t *write_fptr;
62 struct file_operations *fops;
69 struct lprocfs_static_vars {
70 struct lprocfs_vars *module_vars;
71 struct lprocfs_vars *obd_vars;
74 /* if we find more consumers this could be generalized */
75 #define OBD_HIST_MAX 32
76 struct obd_histogram {
77 cfs_spinlock_t oh_lock;
78 unsigned long oh_buckets[OBD_HIST_MAX];
100 struct obd_histogram hist[BRW_LAST];
104 RENAME_SAMEDIR_SIZE = 0,
105 RENAME_CROSSDIR_SRC_SIZE,
106 RENAME_CROSSDIR_TGT_SIZE,
110 struct rename_stats {
111 struct obd_histogram hist[RENAME_LAST];
114 /* An lprocfs counter can be configured using the enum bit masks below.
116 * LPROCFS_CNTR_EXTERNALLOCK indicates that an external lock already
117 * protects this counter from concurrent updates. If not specified,
118 * lprocfs an internal per-counter lock variable. External locks are
119 * not used to protect counter increments, but are used to protect
120 * counter readout and resets.
122 * LPROCFS_CNTR_AVGMINMAX indicates a multi-valued counter samples,
123 * (i.e. counter can be incremented by more than "1"). When specified,
124 * the counter maintains min, max and sum in addition to a simple
125 * invocation count. This allows averages to be be computed.
126 * If not specified, the counter is an increment-by-1 counter.
127 * min, max, sum, etc. are not maintained.
129 * LPROCFS_CNTR_STDDEV indicates that the counter should track sum of
130 * squares (for multi-valued counter samples only). This allows
131 * external computation of standard deviation, but involves a 64-bit
132 * multiply per counter increment.
136 LPROCFS_CNTR_EXTERNALLOCK = 0x0001,
137 LPROCFS_CNTR_AVGMINMAX = 0x0002,
138 LPROCFS_CNTR_STDDEV = 0x0004,
140 /* counter data type */
141 LPROCFS_TYPE_REGS = 0x0100,
142 LPROCFS_TYPE_BYTES = 0x0200,
143 LPROCFS_TYPE_PAGES = 0x0400,
144 LPROCFS_TYPE_CYCLE = 0x0800,
147 struct lprocfs_atomic {
148 cfs_atomic_t la_entry;
149 cfs_atomic_t la_exit;
152 #define LC_MIN_INIT ((~(__u64)0) >> 1)
154 struct lprocfs_counter {
155 struct lprocfs_atomic lc_cntl; /* may need to move to per set */
156 unsigned int lc_config;
163 const char *lc_name; /* must be static */
164 const char *lc_units; /* must be static */
167 struct lprocfs_percpu {
168 #if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L
171 struct lprocfs_counter lp_cntr[0];
174 #define LPROCFS_GET_NUM_CPU 0x0001
175 #define LPROCFS_GET_SMP_ID 0x0002
177 enum lprocfs_stats_flags {
178 LPROCFS_STATS_FLAG_NONE = 0x0000, /* per cpu counter */
179 LPROCFS_STATS_FLAG_NOPERCPU = 0x0001, /* stats have no percpu
180 * area and need locking */
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,
193 struct lprocfs_stats {
194 unsigned int ls_num; /* # of counters */
195 int ls_flags; /* See LPROCFS_STATS_FLAG_* */
196 cfs_spinlock_t ls_lock; /* Lock used only when there are
197 * no percpu stats areas */
198 struct lprocfs_percpu *ls_percpu[0];
201 #define OPC_RANGE(seg) (seg ## _LAST_OPC - seg ## _FIRST_OPC)
203 /* Pack all opcodes down into a single monotonically increasing index */
204 static inline int opcode_offset(__u32 opc) {
205 if (opc < OST_LAST_OPC) {
207 return (opc - OST_FIRST_OPC);
208 } else if (opc < MDS_LAST_OPC) {
210 return (opc - MDS_FIRST_OPC +
212 } else if (opc < LDLM_LAST_OPC) {
214 return (opc - LDLM_FIRST_OPC +
217 } else if (opc < MGS_LAST_OPC) {
219 return (opc - MGS_FIRST_OPC +
223 } else if (opc < OBD_LAST_OPC) {
225 return (opc - OBD_FIRST_OPC +
230 } else if (opc < LLOG_LAST_OPC) {
232 return (opc - LLOG_FIRST_OPC +
238 } else if (opc < QUOTA_LAST_OPC) {
240 return (opc - QUOTA_FIRST_OPC +
247 } else if (opc < SEQ_LAST_OPC) {
249 return (opc - SEQ_FIRST_OPC +
257 } else if (opc < SEC_LAST_OPC) {
259 return (opc - SEC_FIRST_OPC +
268 } else if (opc < FLD_LAST_OPC) {
270 return (opc - FLD_FIRST_OPC +
287 #define LUSTRE_MAX_OPCODES (OPC_RANGE(OST) + \
298 #define EXTRA_MAX_OPCODES ((PTLRPC_LAST_CNTR - PTLRPC_FIRST_CNTR) + \
302 PTLRPC_REQWAIT_CNTR = 0,
303 PTLRPC_REQQDEPTH_CNTR,
304 PTLRPC_REQACTIVE_CNTR,
306 PTLRPC_REQBUF_AVAIL_CNTR,
310 #define PTLRPC_FIRST_CNTR PTLRPC_REQWAIT_CNTR
313 LDLM_GLIMPSE_ENQUEUE = 0,
330 #define EXTRA_FIRST_OPC LDLM_GLIMPSE_ENQUEUE
332 extern cfs_proc_dir_entry_t *proc_lustre_root;
335 struct obd_histogram;
337 /* Days / hours / mins / seconds format */
341 static inline void s2dhms(struct dhms *ts, time_t secs)
343 ts->d = secs / 86400;
350 #define DHMS_FMT "%dd%dh%02dm%02ds"
351 #define DHMS_VARS(x) (x)->d, (x)->h, (x)->m, (x)->s
356 static inline int lprocfs_stats_lock(struct lprocfs_stats *stats, int opc)
362 case LPROCFS_GET_SMP_ID:
363 if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) {
364 cfs_spin_lock(&stats->ls_lock);
367 return cfs_get_cpu();
370 case LPROCFS_GET_NUM_CPU:
371 if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) {
372 cfs_spin_lock(&stats->ls_lock);
375 return cfs_num_possible_cpus();
380 static inline void lprocfs_stats_unlock(struct lprocfs_stats *stats, int opc)
386 case LPROCFS_GET_SMP_ID:
387 if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU)
388 cfs_spin_unlock(&stats->ls_lock);
393 case LPROCFS_GET_NUM_CPU:
394 if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU)
395 cfs_spin_unlock(&stats->ls_lock);
400 /* Two optimized LPROCFS counter increment functions are provided:
401 * lprocfs_counter_incr(cntr, value) - optimized for by-one counters
402 * lprocfs_counter_add(cntr) - use for multi-valued counters
403 * Counter data layout allows config flag, counter lock and the
404 * count itself to reside within a single cache line.
407 extern void lprocfs_counter_add(struct lprocfs_stats *stats, int idx,
409 extern void lprocfs_counter_sub(struct lprocfs_stats *stats, int idx,
412 #define lprocfs_counter_incr(stats, idx) \
413 lprocfs_counter_add(stats, idx, 1)
414 #define lprocfs_counter_decr(stats, idx) \
415 lprocfs_counter_sub(stats, idx, 1)
417 extern __s64 lprocfs_read_helper(struct lprocfs_counter *lc,
418 enum lprocfs_fields_flags field);
419 static inline __u64 lprocfs_stats_collector(struct lprocfs_stats *stats,
421 enum lprocfs_fields_flags field)
425 unsigned int num_cpu;
427 LASSERT(stats != NULL);
429 num_cpu = lprocfs_stats_lock(stats, LPROCFS_GET_NUM_CPU);
430 for (i = 0; i < num_cpu; i++)
431 ret += lprocfs_read_helper(&(stats->ls_percpu[i]->lp_cntr[idx]),
433 lprocfs_stats_unlock(stats, LPROCFS_GET_NUM_CPU);
437 extern struct lprocfs_stats *
438 lprocfs_alloc_stats(unsigned int num, enum lprocfs_stats_flags flags);
439 extern void lprocfs_clear_stats(struct lprocfs_stats *stats);
440 extern void lprocfs_free_stats(struct lprocfs_stats **stats);
441 extern void lprocfs_init_ops_stats(int num_private_stats,
442 struct lprocfs_stats *stats);
443 extern void lprocfs_init_mps_stats(int num_private_stats,
444 struct lprocfs_stats *stats);
445 extern void lprocfs_init_ldlm_stats(struct lprocfs_stats *ldlm_stats);
446 extern int lprocfs_alloc_obd_stats(struct obd_device *obddev,
447 unsigned int num_private_stats);
448 extern int lprocfs_alloc_md_stats(struct obd_device *obddev,
449 unsigned int num_private_stats);
450 extern void lprocfs_counter_init(struct lprocfs_stats *stats, int index,
451 unsigned conf, const char *name,
453 extern void lprocfs_free_obd_stats(struct obd_device *obddev);
454 extern void lprocfs_free_md_stats(struct obd_device *obddev);
457 extern int lprocfs_add_clear_entry(struct obd_device * obd,
458 cfs_proc_dir_entry_t *entry);
459 extern int lprocfs_exp_setup(struct obd_export *exp,
460 lnet_nid_t *peer_nid, int *newnid);
461 extern int lprocfs_exp_cleanup(struct obd_export *exp);
462 extern cfs_proc_dir_entry_t *lprocfs_add_simple(struct proc_dir_entry *root,
464 cfs_read_proc_t *read_proc,
465 cfs_write_proc_t *write_proc,
467 struct file_operations *fops);
468 extern struct proc_dir_entry *
469 lprocfs_add_symlink(const char *name, struct proc_dir_entry *parent,
470 const char *format, ...);
471 extern void lprocfs_free_per_client_stats(struct obd_device *obd);
473 lprocfs_nid_stats_clear_write(struct file *file, const char *buffer,
474 unsigned long count, void *data);
475 extern int lprocfs_nid_stats_clear_read(char *page, char **start, off_t off,
476 int count, int *eof, void *data);
478 extern int lprocfs_register_stats(cfs_proc_dir_entry_t *root, const char *name,
479 struct lprocfs_stats *stats);
481 /* lprocfs_status.c */
482 extern int lprocfs_add_vars(cfs_proc_dir_entry_t *root,
483 struct lprocfs_vars *var,
486 extern cfs_proc_dir_entry_t *lprocfs_register(const char *name,
487 cfs_proc_dir_entry_t *parent,
488 struct lprocfs_vars *list,
491 extern void lprocfs_remove(cfs_proc_dir_entry_t **root);
492 extern void lprocfs_remove_proc_entry(const char *name,
493 struct proc_dir_entry *parent);
495 extern cfs_proc_dir_entry_t *lprocfs_srch(cfs_proc_dir_entry_t *root,
498 extern int lprocfs_obd_setup(struct obd_device *obd, struct lprocfs_vars *list);
499 extern int lprocfs_obd_cleanup(struct obd_device *obd);
500 extern struct file_operations lprocfs_evict_client_fops;
502 extern int lprocfs_seq_create(cfs_proc_dir_entry_t *parent, char *name,
503 mode_t mode, struct file_operations *seq_fops,
505 extern int lprocfs_obd_seq_create(struct obd_device *dev, char *name,
506 mode_t mode, struct file_operations *seq_fops,
509 /* Generic callbacks */
511 extern int lprocfs_rd_u64(char *page, char **start, off_t off,
512 int count, int *eof, void *data);
513 extern int lprocfs_rd_atomic(char *page, char **start, off_t off,
514 int count, int *eof, void *data);
515 extern int lprocfs_wr_atomic(struct file *file, const char *buffer,
516 unsigned long count, void *data);
517 extern int lprocfs_rd_uint(char *page, char **start, off_t off,
518 int count, int *eof, void *data);
519 extern int lprocfs_wr_uint(struct file *file, const char *buffer,
520 unsigned long count, void *data);
521 extern int lprocfs_rd_uuid(char *page, char **start, off_t off,
522 int count, int *eof, void *data);
523 extern int lprocfs_rd_name(char *page, char **start, off_t off,
524 int count, int *eof, void *data);
525 extern int lprocfs_rd_fstype(char *page, char **start, off_t off,
526 int count, int *eof, void *data);
527 extern int lprocfs_rd_server_uuid(char *page, char **start, off_t off,
528 int count, int *eof, void *data);
529 extern int lprocfs_rd_conn_uuid(char *page, char **start, off_t off,
530 int count, int *eof, void *data);
531 extern int lprocfs_rd_import(char *page, char **start, off_t off, int count,
532 int *eof, void *data);
533 extern int lprocfs_rd_state(char *page, char **start, off_t off, int count,
534 int *eof, void *data);
535 extern int lprocfs_rd_connect_flags(char *page, char **start, off_t off,
536 int count, int *eof, void *data);
537 extern int lprocfs_rd_num_exports(char *page, char **start, off_t off,
538 int count, int *eof, void *data);
539 extern int lprocfs_rd_numrefs(char *page, char **start, off_t off,
540 int count, int *eof, void *data);
541 struct adaptive_timeout;
542 extern int lprocfs_at_hist_helper(char *page, int count, int rc,
543 struct adaptive_timeout *at);
544 extern int lprocfs_rd_timeouts(char *page, char **start, off_t off,
545 int count, int *eof, void *data);
546 extern int lprocfs_wr_timeouts(struct file *file, const char *buffer,
547 unsigned long count, void *data);
548 extern int lprocfs_wr_evict_client(struct file *file, const char *buffer,
549 unsigned long count, void *data);
550 extern int lprocfs_wr_ping(struct file *file, const char *buffer,
551 unsigned long count, void *data);
552 extern int lprocfs_wr_import(struct file *file, const char *buffer,
553 unsigned long count, void *data);
554 extern int lprocfs_rd_pinger_recov(char *page, char **start, off_t off,
555 int count, int *eof, void *data);
556 extern int lprocfs_wr_pinger_recov(struct file *file, const char *buffer,
557 unsigned long count, void *data);
560 extern int lprocfs_rd_blksize(char *page, char **start, off_t off,
561 int count, int *eof, void *data);
562 extern int lprocfs_rd_kbytestotal(char *page, char **start, off_t off,
563 int count, int *eof, void *data);
564 extern int lprocfs_rd_kbytesfree(char *page, char **start, off_t off,
565 int count, int *eof, void *data);
566 extern int lprocfs_rd_kbytesavail(char *page, char **start, off_t off,
567 int count, int *eof, void *data);
568 extern int lprocfs_rd_filestotal(char *page, char **start, off_t off,
569 int count, int *eof, void *data);
570 extern int lprocfs_rd_filesfree(char *page, char **start, off_t off,
571 int count, int *eof, void *data);
572 extern int lprocfs_rd_filegroups(char *page, char **start, off_t off,
573 int count, int *eof, void *data);
575 extern int lprocfs_write_helper(const char *buffer, unsigned long count,
577 extern int lprocfs_write_frac_helper(const char *buffer, unsigned long count,
579 extern int lprocfs_read_frac_helper(char *buffer, unsigned long count,
581 extern int lprocfs_write_u64_helper(const char *buffer, unsigned long count,
583 extern int lprocfs_write_frac_u64_helper(const char *buffer,
585 __u64 *val, int mult);
586 void lprocfs_oh_tally(struct obd_histogram *oh, unsigned int value);
587 void lprocfs_oh_tally_log2(struct obd_histogram *oh, unsigned int value);
588 void lprocfs_oh_clear(struct obd_histogram *oh);
589 unsigned long lprocfs_oh_sum(struct obd_histogram *oh);
591 void lprocfs_stats_collect(struct lprocfs_stats *stats, int idx,
592 struct lprocfs_counter *cnt);
594 /* lprocfs_status.c: recovery status */
595 int lprocfs_obd_rd_recovery_status(char *page, char **start, off_t off,
596 int count, int *eof, void *data);
598 /* lprocfs_statuc.c: hash statistics */
599 int lprocfs_obd_rd_hash(char *page, char **start, off_t off,
600 int count, int *eof, void *data);
602 /* lprocfs_status.c: IR factor */
603 int lprocfs_obd_rd_ir_factor(char *page, char **start, off_t off,
604 int count, int *eof, void *data);
605 int lprocfs_obd_wr_ir_factor(struct file *file, const char *buffer,
606 unsigned long count, void *data);
608 extern int lprocfs_seq_release(cfs_inode_t *, struct file *);
610 /* You must use these macros when you want to refer to
611 * the import in a client obd_device for a lprocfs entry */
612 #define LPROCFS_CLIMP_CHECK(obd) do { \
613 typecheck(struct obd_device *, obd); \
614 cfs_down_read(&(obd)->u.cli.cl_sem); \
615 if ((obd)->u.cli.cl_import == NULL) { \
616 cfs_up_read(&(obd)->u.cli.cl_sem); \
620 #define LPROCFS_CLIMP_EXIT(obd) \
621 cfs_up_read(&(obd)->u.cli.cl_sem);
624 /* write the name##_seq_show function, call LPROC_SEQ_FOPS_RO for read-only
625 proc entries; otherwise, you will define name##_seq_write function also for
626 a read-write proc entry, and then call LPROC_SEQ_SEQ instead. Finally,
627 call lprocfs_obd_seq_create(obd, filename, 0444, &name#_fops, data); */
628 #define __LPROC_SEQ_FOPS(name, custom_seq_write) \
629 static int name##_seq_open(cfs_inode_t *inode, struct file *file) { \
630 struct proc_dir_entry *dp = PDE(inode); \
632 LPROCFS_ENTRY_AND_CHECK(dp); \
633 rc = single_open(file, name##_seq_show, dp->data); \
640 struct file_operations name##_fops = { \
641 .owner = THIS_MODULE, \
642 .open = name##_seq_open, \
644 .write = custom_seq_write, \
645 .llseek = seq_lseek, \
646 .release = lprocfs_seq_release, \
649 #define LPROC_SEQ_FOPS_RO(name) __LPROC_SEQ_FOPS(name, NULL)
650 #define LPROC_SEQ_FOPS(name) __LPROC_SEQ_FOPS(name, name##_seq_write)
653 struct ptlrpc_request;
654 extern void target_print_req(void *seq_file, struct ptlrpc_request *req);
657 int lprocfs_obd_rd_recovery_time_soft(char *page, char **start, off_t off,
658 int count, int *eof, void *data);
659 int lprocfs_obd_wr_recovery_time_soft(struct file *file,
661 unsigned long count, void *data);
662 int lprocfs_obd_rd_recovery_time_hard(char *page, char **start, off_t off,
663 int count, int *eof, void *data);
664 int lprocfs_obd_wr_recovery_time_hard(struct file *file,
666 unsigned long count, void *data);
667 int lprocfs_obd_rd_mntdev(char *page, char **start, off_t off,
668 int count, int *eof, void *data);
669 int lprocfs_obd_rd_max_pages_per_rpc(char *page, char **start, off_t off,
670 int count, int *eof, void *data);
671 int lprocfs_obd_wr_max_pages_per_rpc(struct file *file, const char *buffer,
672 unsigned long count, void *data);
673 int lprocfs_target_rd_instance(char *page, char **start, off_t off,
674 int count, int *eof, void *data);
676 /* all quota proc functions */
677 extern int lprocfs_quota_rd_bunit(char *page, char **start,
678 off_t off, int count,
679 int *eof, void *data);
680 extern int lprocfs_quota_wr_bunit(struct file *file, const char *buffer,
681 unsigned long count, void *data);
682 extern int lprocfs_quota_rd_btune(char *page, char **start,
683 off_t off, int count,
684 int *eof, void *data);
685 extern int lprocfs_quota_wr_btune(struct file *file, const char *buffer,
686 unsigned long count, void *data);
687 extern int lprocfs_quota_rd_iunit(char *page, char **start,
688 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,
693 off_t off, int count,
694 int *eof, void *data);
695 extern int lprocfs_quota_wr_itune(struct file *file, const char *buffer,
696 unsigned long count, void *data);
697 extern int lprocfs_quota_rd_type(char *page, char **start, off_t off, int count,
698 int *eof, void *data);
699 extern int lprocfs_quota_wr_type(struct file *file, const char *buffer,
700 unsigned long count, void *data);
701 extern int lprocfs_quota_rd_switch_seconds(char *page, char **start, off_t off,
702 int count, int *eof, void *data);
703 extern int lprocfs_quota_wr_switch_seconds(struct file *file,
705 unsigned long count, void *data);
706 extern int lprocfs_quota_rd_sync_blk(char *page, char **start, off_t off,
707 int count, int *eof, void *data);
708 extern int lprocfs_quota_wr_sync_blk(struct file *file, const char *buffer,
709 unsigned long count, void *data);
710 extern int lprocfs_quota_rd_switch_qs(char *page, char **start, off_t off,
711 int count, int *eof, void *data);
712 extern int lprocfs_quota_wr_switch_qs(struct file *file,
714 unsigned long count, void *data);
715 extern int lprocfs_quota_rd_boundary_factor(char *page, char **start, off_t off,
716 int count, int *eof, void *data);
717 extern int lprocfs_quota_wr_boundary_factor(struct file *file,
719 unsigned long count, void *data);
720 extern int lprocfs_quota_rd_least_bunit(char *page, char **start, off_t off,
721 int count, int *eof, void *data);
722 extern int lprocfs_quota_wr_least_bunit(struct file *file,
724 unsigned long count, void *data);
725 extern int lprocfs_quota_rd_least_iunit(char *page, char **start, off_t off,
726 int count, int *eof, void *data);
727 extern int lprocfs_quota_wr_least_iunit(struct file *file,
729 unsigned long count, void *data);
730 extern int lprocfs_quota_rd_qs_factor(char *page, char **start, off_t off,
731 int count, int *eof, void *data);
732 extern int lprocfs_quota_wr_qs_factor(struct file *file,
734 unsigned long count, void *data);
739 /* LPROCFS is not defined */
743 static inline void lprocfs_counter_add(struct lprocfs_stats *stats,
744 int index, long amount)
746 static inline void lprocfs_counter_incr(struct lprocfs_stats *stats,
749 static inline void lprocfs_counter_sub(struct lprocfs_stats *stats,
750 int index, long amount)
752 static inline void lprocfs_counter_decr(struct lprocfs_stats *stats,
755 static inline void lprocfs_counter_init(struct lprocfs_stats *stats,
756 int index, unsigned conf,
757 const char *name, const char *units)
760 static inline __u64 lc_read_helper(struct lprocfs_counter *lc,
761 enum lprocfs_fields_flags field)
764 /* NB: we return !NULL to satisfy error checker */
765 static inline struct lprocfs_stats *
766 lprocfs_alloc_stats(unsigned int num, enum lprocfs_stats_flags flags)
767 { return (struct lprocfs_stats *)1; }
768 static inline void lprocfs_clear_stats(struct lprocfs_stats *stats)
770 static inline void lprocfs_free_stats(struct lprocfs_stats **stats)
772 static inline int lprocfs_register_stats(cfs_proc_dir_entry_t *root,
774 struct lprocfs_stats *stats)
776 static inline void lprocfs_init_ops_stats(int num_private_stats,
777 struct lprocfs_stats *stats)
779 static inline void lprocfs_init_mps_stats(int num_private_stats,
780 struct lprocfs_stats *stats)
782 static inline void lprocfs_init_ldlm_stats(struct lprocfs_stats *ldlm_stats)
784 static inline int lprocfs_alloc_obd_stats(struct obd_device *obddev,
785 unsigned int num_private_stats)
787 static inline int lprocfs_alloc_md_stats(struct obd_device *obddev,
788 unsigned int num_private_stats)
790 static inline void lprocfs_free_obd_stats(struct obd_device *obddev)
792 static inline void lprocfs_free_md_stats(struct obd_device *obddev)
796 static inline int lprocfs_add_clear_entry(struct obd_export *exp)
798 static inline int lprocfs_exp_setup(struct obd_export *exp,lnet_nid_t *peer_nid,
801 static inline int lprocfs_exp_cleanup(struct obd_export *exp)
803 static inline cfs_proc_dir_entry_t *
804 lprocfs_add_simple(struct proc_dir_entry *root, char *name,
805 cfs_read_proc_t *read_proc, cfs_write_proc_t *write_proc,
806 void *data, struct file_operations *fops)
808 static inline struct proc_dir_entry *
809 lprocfs_add_symlink(const char *name, struct proc_dir_entry *parent,
810 const char *format, ...)
812 static inline void lprocfs_free_per_client_stats(struct obd_device *obd)
815 int lprocfs_nid_stats_clear_write(struct file *file, const char *buffer,
816 unsigned long count, void *data)
819 int lprocfs_nid_stats_clear_read(char *page, char **start, off_t off,
820 int count, int *eof, void *data)
823 static inline cfs_proc_dir_entry_t *
824 lprocfs_register(const char *name, cfs_proc_dir_entry_t *parent,
825 struct lprocfs_vars *list, void *data)
827 static inline int lprocfs_add_vars(cfs_proc_dir_entry_t *root,
828 struct lprocfs_vars *var,
831 static inline void lprocfs_remove(cfs_proc_dir_entry_t **root)
833 static inline void lprocfs_remove_proc_entry(const char *name,
834 struct proc_dir_entry *parent)
836 static inline cfs_proc_dir_entry_t *lprocfs_srch(cfs_proc_dir_entry_t *head,
839 static inline int lprocfs_obd_setup(struct obd_device *dev,
840 struct lprocfs_vars *list)
842 static inline int lprocfs_obd_cleanup(struct obd_device *dev)
844 static inline int lprocfs_rd_u64(char *page, char **start, off_t off,
845 int count, int *eof, void *data)
847 static inline int lprocfs_rd_uuid(char *page, char **start, off_t off,
848 int count, int *eof, void *data)
850 static inline int lprocfs_rd_name(char *page, char **start, off_t off,
851 int count, int *eof, void *data)
853 static inline int lprocfs_rd_server_uuid(char *page, char **start, off_t off,
854 int count, int *eof, void *data)
856 static inline int lprocfs_rd_conn_uuid(char *page, char **start, off_t off,
857 int count, int *eof, void *data)
859 static inline int lprocfs_rd_import(char *page, char **start, off_t off,
860 int count, int *eof, void *data)
862 static inline int lprocfs_rd_pinger_recov(char *page, char **start, off_t off,
863 int count, int *eof, void *data)
865 static inline int lprocfs_rd_state(char *page, char **start, off_t off,
866 int count, int *eof, void *data)
868 static inline int lprocfs_rd_connect_flags(char *page, char **start, off_t off,
869 int count, int *eof, void *data)
871 static inline int lprocfs_rd_num_exports(char *page, char **start, off_t off,
872 int count, int *eof, void *data)
874 static inline int lprocfs_rd_numrefs(char *page, char **start, off_t off,
875 int count, int *eof, void *data)
877 struct adaptive_timeout;
878 static inline int lprocfs_at_hist_helper(char *page, int count, int rc,
879 struct adaptive_timeout *at)
881 static inline int lprocfs_rd_timeouts(char *page, char **start, off_t off,
882 int count, int *eof, void *data)
884 static inline int lprocfs_wr_timeouts(struct file *file,
886 unsigned long count, void *data)
888 static inline int lprocfs_wr_evict_client(struct file *file,
890 unsigned long count, void *data)
892 static inline int lprocfs_wr_ping(struct file *file, const char *buffer,
893 unsigned long count, void *data)
895 static inline int lprocfs_wr_import(struct file *file, const char *buffer,
896 unsigned long count, void *data)
898 static inline int lprocfs_wr_pinger_recov(struct file *file, const char *buffer,
899 unsigned long count, void *data)
904 int lprocfs_rd_blksize(char *page, char **start, off_t off,
905 int count, int *eof, void *data)
908 int lprocfs_rd_kbytestotal(char *page, char **start, off_t off,
909 int count, int *eof, void *data)
912 int lprocfs_rd_kbytesfree(char *page, char **start, off_t off,
913 int count, int *eof, void *data)
916 int lprocfs_rd_kbytesavail(char *page, char **start, off_t off,
917 int count, int *eof, void *data)
920 int lprocfs_rd_filestotal(char *page, char **start, off_t off,
921 int count, int *eof, void *data)
924 int lprocfs_rd_filesfree(char *page, char **start, off_t off,
925 int count, int *eof, void *data)
928 int lprocfs_rd_filegroups(char *page, char **start, off_t off,
929 int count, int *eof, void *data)
932 void lprocfs_oh_tally(struct obd_histogram *oh, unsigned int value)
935 void lprocfs_oh_tally_log2(struct obd_histogram *oh, unsigned int value)
938 void lprocfs_oh_clear(struct obd_histogram *oh)
941 unsigned long lprocfs_oh_sum(struct obd_histogram *oh)
944 void lprocfs_stats_collect(struct lprocfs_stats *stats, int idx,
945 struct lprocfs_counter *cnt)
948 __u64 lprocfs_stats_collector(struct lprocfs_stats *stats, int idx,
949 enum lprocfs_fields_flags field)
952 #define LPROC_SEQ_FOPS_RO(name)
953 #define LPROC_SEQ_FOPS(name)
956 #define target_print_req NULL
960 #endif /* LPROCFS_SNMP_H */