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) 2006, 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 {
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;
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 */
172 LPROCFS_STATS_GET_SMP_ID = 0x0002, /* just record locking with
173 * LPROCFS_GET_SMP_ID flag */
176 enum lprocfs_fields_flags {
177 LPROCFS_FIELDS_FLAGS_CONFIG = 0x0001,
178 LPROCFS_FIELDS_FLAGS_SUM = 0x0002,
179 LPROCFS_FIELDS_FLAGS_MIN = 0x0003,
180 LPROCFS_FIELDS_FLAGS_MAX = 0x0004,
181 LPROCFS_FIELDS_FLAGS_AVG = 0x0005,
182 LPROCFS_FIELDS_FLAGS_SUMSQUARE = 0x0006,
183 LPROCFS_FIELDS_FLAGS_COUNT = 0x0007,
186 struct lprocfs_stats {
187 unsigned int ls_num; /* # of counters */
188 int ls_flags; /* See LPROCFS_STATS_FLAG_* */
189 spinlock_t ls_lock; /* Lock used only when there are
190 * no percpu stats areas */
191 struct lprocfs_percpu *ls_percpu[0];
194 static inline int opcode_offset(__u32 opc) {
195 if (opc < OST_LAST_OPC) {
197 return (opc - OST_FIRST_OPC);
198 } else if (opc < MDS_LAST_OPC) {
200 return (opc - MDS_FIRST_OPC +
201 (OST_LAST_OPC - OST_FIRST_OPC));
202 } else if (opc < LDLM_LAST_OPC) {
204 return (opc - LDLM_FIRST_OPC +
205 (MDS_LAST_OPC - MDS_FIRST_OPC) +
206 (OST_LAST_OPC - OST_FIRST_OPC));
207 } else if (opc < MGS_LAST_OPC) {
209 return (opc - MGS_FIRST_OPC +
210 (LDLM_LAST_OPC - LDLM_FIRST_OPC) +
211 (MDS_LAST_OPC - MDS_FIRST_OPC) +
212 (OST_LAST_OPC - OST_FIRST_OPC));
213 } else if (opc < OBD_LAST_OPC) {
215 return (opc - OBD_FIRST_OPC +
216 (MGS_LAST_OPC - MGS_FIRST_OPC) +
217 (LDLM_LAST_OPC - LDLM_FIRST_OPC) +
218 (MDS_LAST_OPC - MDS_FIRST_OPC) +
219 (OST_LAST_OPC - OST_FIRST_OPC));
220 } else if (opc < LLOG_LAST_OPC) {
222 return (opc - LLOG_FIRST_OPC +
223 (OBD_LAST_OPC - OBD_FIRST_OPC) +
224 (MGS_LAST_OPC - MGS_FIRST_OPC) +
225 (LDLM_LAST_OPC - LDLM_FIRST_OPC) +
226 (MDS_LAST_OPC - MDS_FIRST_OPC) +
227 (OST_LAST_OPC - OST_FIRST_OPC));
228 } else if (opc < QUOTA_LAST_OPC) {
230 return (opc - QUOTA_FIRST_OPC +
231 (LLOG_LAST_OPC - LLOG_FIRST_OPC) +
232 (OBD_LAST_OPC - OBD_FIRST_OPC) +
233 (MGS_LAST_OPC - MGS_FIRST_OPC) +
234 (LDLM_LAST_OPC - LDLM_FIRST_OPC) +
235 (MDS_LAST_OPC - MDS_FIRST_OPC) +
236 (OST_LAST_OPC - OST_FIRST_OPC));
237 } else if (opc < SEQ_LAST_OPC) {
239 return (opc - SEQ_FIRST_OPC +
240 (QUOTA_LAST_OPC - QUOTA_FIRST_OPC) +
241 (LLOG_LAST_OPC - LLOG_FIRST_OPC) +
242 (OBD_LAST_OPC - OBD_FIRST_OPC) +
243 (MGS_LAST_OPC - MGS_FIRST_OPC) +
244 (LDLM_LAST_OPC - LDLM_FIRST_OPC) +
245 (MDS_LAST_OPC - MDS_FIRST_OPC) +
246 (OST_LAST_OPC - OST_FIRST_OPC));
253 #define LUSTRE_MAX_OPCODES ((OST_LAST_OPC - OST_FIRST_OPC) + \
254 (MDS_LAST_OPC - MDS_FIRST_OPC) + \
255 (LDLM_LAST_OPC - LDLM_FIRST_OPC) + \
256 (MGS_LAST_OPC - MGS_FIRST_OPC) + \
257 (OBD_LAST_OPC - OBD_FIRST_OPC) + \
258 (LLOG_LAST_OPC - LLOG_FIRST_OPC) + \
259 (QUOTA_LAST_OPC - QUOTA_FIRST_OPC) + \
260 (SEQ_LAST_OPC - SEQ_FIRST_OPC))
262 #define EXTRA_MAX_OPCODES ((PTLRPC_LAST_CNTR - PTLRPC_FIRST_CNTR) + \
263 (EXTRA_LAST_OPC - EXTRA_FIRST_OPC))
266 PTLRPC_REQWAIT_CNTR = 0,
267 PTLRPC_REQQDEPTH_CNTR,
268 PTLRPC_REQACTIVE_CNTR,
270 PTLRPC_REQBUF_AVAIL_CNTR,
274 #define PTLRPC_FIRST_CNTR PTLRPC_REQWAIT_CNTR
277 LDLM_GLIMPSE_ENQUEUE = 0,
293 #define EXTRA_FIRST_OPC LDLM_GLIMPSE_ENQUEUE
295 extern cfs_proc_dir_entry_t *proc_lustre_root;
299 struct obd_histogram;
301 /* Days / hours / mins / seconds format */
305 static inline void s2dhms(struct dhms *ts, time_t secs)
307 ts->d = secs / 86400;
314 #define DHMS_FMT "%dd%dh%02dm%02ds"
315 #define DHMS_VARS(x) (x)->d, (x)->h, (x)->m, (x)->s
320 static inline int lprocfs_stats_lock(struct lprocfs_stats *stats, int type)
324 if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) {
325 if (type & LPROCFS_GET_NUM_CPU)
327 if (type & LPROCFS_GET_SMP_ID)
329 spin_lock(&stats->ls_lock);
331 if (type & LPROCFS_GET_NUM_CPU)
332 rc = num_possible_cpus();
333 if (type & LPROCFS_GET_SMP_ID) {
334 stats->ls_flags |= LPROCFS_STATS_GET_SMP_ID;
341 static inline void lprocfs_stats_unlock(struct lprocfs_stats *stats)
343 if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU)
344 spin_unlock(&stats->ls_lock);
345 else if (stats->ls_flags & LPROCFS_STATS_GET_SMP_ID)
349 /* Two optimized LPROCFS counter increment functions are provided:
350 * lprocfs_counter_incr(cntr, value) - optimized for by-one counters
351 * lprocfs_counter_add(cntr) - use for multi-valued counters
352 * Counter data layout allows config flag, counter lock and the
353 * count itself to reside within a single cache line.
356 extern void lprocfs_counter_add(struct lprocfs_stats *stats, int idx,
358 extern void lprocfs_counter_sub(struct lprocfs_stats *stats, int idx,
361 #define lprocfs_counter_incr(stats, idx) \
362 lprocfs_counter_add(stats, idx, 1)
363 #define lprocfs_counter_decr(stats, idx) \
364 lprocfs_counter_sub(stats, idx, 1)
366 extern __s64 lprocfs_read_helper(struct lprocfs_counter *lc,
367 enum lprocfs_fields_flags field);
369 static inline __u64 lprocfs_stats_collector(struct lprocfs_stats *stats,
371 enum lprocfs_fields_flags field)
376 LASSERT(stats != NULL);
377 for (i = 0; i < num_possible_cpus(); i++)
378 ret += lprocfs_read_helper(&(stats->ls_percpu[i]->lp_cntr[idx]),
383 extern struct lprocfs_stats *lprocfs_alloc_stats(unsigned int num,
384 enum lprocfs_stats_flags flags);
385 extern void lprocfs_clear_stats(struct lprocfs_stats *stats);
386 extern void lprocfs_free_stats(struct lprocfs_stats **stats);
387 extern void lprocfs_init_ops_stats(int num_private_stats,
388 struct lprocfs_stats *stats);
389 extern void lprocfs_init_ldlm_stats(struct lprocfs_stats *ldlm_stats);
390 extern int lprocfs_alloc_obd_stats(struct obd_device *obddev,
391 unsigned int num_private_stats);
392 extern void lprocfs_counter_init(struct lprocfs_stats *stats, int index,
393 unsigned conf, const char *name,
395 extern void lprocfs_free_obd_stats(struct obd_device *obddev);
397 extern int lprocfs_add_clear_entry(struct obd_device * obd,
398 cfs_proc_dir_entry_t *entry);
399 extern int lprocfs_exp_setup(struct obd_export *exp,
400 lnet_nid_t *peer_nid, int reconnect, int *newnid);
401 extern int lprocfs_exp_cleanup(struct obd_export *exp);
402 extern cfs_proc_dir_entry_t *lprocfs_add_simple(struct proc_dir_entry *root,
404 read_proc_t *read_proc,
405 write_proc_t *write_proc,
407 struct file_operations *fops);
408 extern int lprocfs_register_stats(cfs_proc_dir_entry_t *root, const char *name,
409 struct lprocfs_stats *stats);
411 /* lprocfs_status.c */
412 extern int lprocfs_add_vars(cfs_proc_dir_entry_t *root,
413 struct lprocfs_vars *var,
416 extern cfs_proc_dir_entry_t *lprocfs_register(const char *name,
417 cfs_proc_dir_entry_t *parent,
418 struct lprocfs_vars *list,
421 extern void lprocfs_remove(cfs_proc_dir_entry_t **root);
423 extern cfs_proc_dir_entry_t *lprocfs_srch(cfs_proc_dir_entry_t *root,
426 extern int lprocfs_obd_setup(struct obd_device *obd, struct lprocfs_vars *list);
427 extern int lprocfs_obd_cleanup(struct obd_device *obd);
429 extern void lprocfs_free_per_client_stats(struct obd_device *obd);
430 extern int lprocfs_nid_stats_clear_write(struct file *file, const char *buffer,
431 unsigned long count, void *data);
432 extern int lprocfs_nid_stats_clear_read(char *page, char **start, off_t off,
433 int count, int *eof, void *data);
436 extern struct file_operations lprocfs_evict_client_fops;
438 extern int lprocfs_seq_create(cfs_proc_dir_entry_t *parent, char *name,
439 mode_t mode, struct file_operations *seq_fops,
441 extern int lprocfs_obd_seq_create(struct obd_device *dev, char *name,
442 mode_t mode, struct file_operations *seq_fops,
445 /* Generic callbacks */
447 extern int lprocfs_rd_u64(char *page, char **start, off_t off,
448 int count, int *eof, void *data);
449 extern int lprocfs_rd_atomic(char *page, char **start, off_t off,
450 int count, int *eof, void *data);
451 extern int lprocfs_wr_atomic(struct file *file, const char *buffer,
452 unsigned long count, void *data);
453 extern int lprocfs_rd_uint(char *page, char **start, off_t off,
454 int count, int *eof, void *data);
455 extern int lprocfs_wr_uint(struct file *file, const char *buffer,
456 unsigned long count, void *data);
457 extern int lprocfs_rd_uuid(char *page, char **start, off_t off,
458 int count, int *eof, void *data);
459 extern int lprocfs_rd_name(char *page, char **start, off_t off,
460 int count, int *eof, void *data);
461 extern int lprocfs_rd_fstype(char *page, char **start, off_t off,
462 int count, int *eof, void *data);
463 extern int lprocfs_rd_server_uuid(char *page, char **start, off_t off,
464 int count, int *eof, void *data);
465 extern int lprocfs_rd_conn_uuid(char *page, char **start, off_t off,
466 int count, int *eof, void *data);
467 extern int lprocfs_rd_import(char *page, char **start, off_t off, int count,
468 int *eof, void *data);
469 extern int lprocfs_rd_state(char *page, char **start, off_t off, int count,
470 int *eof, void *data);
471 extern int lprocfs_rd_connect_flags(char *page, char **start, off_t off,
472 int count, int *eof, void *data);
473 extern int lprocfs_rd_num_exports(char *page, char **start, off_t off,
474 int count, int *eof, void *data);
475 extern int lprocfs_rd_numrefs(char *page, char **start, off_t off,
476 int count, int *eof, void *data);
477 struct adaptive_timeout;
478 extern int lprocfs_at_hist_helper(char *page, int count, int rc,
479 struct adaptive_timeout *at);
480 extern int lprocfs_rd_timeouts(char *page, char **start, off_t off,
481 int count, int *eof, void *data);
482 extern int lprocfs_wr_timeouts(struct file *file, const char *buffer,
483 unsigned long count, void *data);
484 extern int lprocfs_wr_evict_client(struct file *file, const char *buffer,
485 unsigned long count, void *data);
486 extern int lprocfs_wr_ping(struct file *file, const char *buffer,
487 unsigned long count, void *data);
490 extern int lprocfs_rd_blksize(char *page, char **start, off_t off,
491 int count, int *eof, void *data);
492 extern int lprocfs_rd_kbytestotal(char *page, char **start, off_t off,
493 int count, int *eof, void *data);
494 extern int lprocfs_rd_kbytesfree(char *page, char **start, off_t off,
495 int count, int *eof, void *data);
496 extern int lprocfs_rd_kbytesavail(char *page, char **start, off_t off,
497 int count, int *eof, void *data);
498 extern int lprocfs_rd_filestotal(char *page, char **start, off_t off,
499 int count, int *eof, void *data);
500 extern int lprocfs_rd_filesfree(char *page, char **start, off_t off,
501 int count, int *eof, void *data);
502 extern int lprocfs_rd_filegroups(char *page, char **start, off_t off,
503 int count, int *eof, void *data);
505 extern int lprocfs_write_helper(const char *buffer, unsigned long count,
507 extern int lprocfs_write_frac_helper(const char *buffer, unsigned long count,
509 extern int lprocfs_read_frac_helper(char *buffer, unsigned long count,
511 extern int lprocfs_write_u64_helper(const char *buffer, unsigned long count,
513 extern int lprocfs_write_frac_u64_helper(const char *buffer, unsigned long count,
514 __u64 *val, int mult);
515 void lprocfs_oh_tally(struct obd_histogram *oh, unsigned int value);
516 void lprocfs_oh_tally_log2(struct obd_histogram *oh, unsigned int value);
517 void lprocfs_oh_clear(struct obd_histogram *oh);
518 unsigned long lprocfs_oh_sum(struct obd_histogram *oh);
520 void lprocfs_stats_collect(struct lprocfs_stats *stats, int idx,
521 struct lprocfs_counter *cnt);
524 /* lprocfs_status.c: recovery status */
525 int lprocfs_obd_rd_recovery_status(char *page, char **start, off_t off,
526 int count, int *eof, void *data);
528 /* lprocfs_statuc.c: hash statistics */
529 int lprocfs_obd_rd_hash(char *page, char **start, off_t off,
530 int count, int *eof, void *data);
532 extern int lprocfs_seq_release(struct inode *, struct file *);
534 /* in lprocfs_stat.c, to protect the private data for proc entries */
535 extern struct rw_semaphore _lprocfs_lock;
537 /* to begin from 2.6.23, Linux defines self file_operations (proc_reg_file_ops)
538 * in procfs, the proc file_operation defined by Lustre (lprocfs_generic_fops)
539 * will be wrapped into the new defined proc_reg_file_ops, which instroduces
540 * user count in proc_dir_entrey(pde_users) to protect the proc entry from
541 * being deleted. then the protection lock (_lprocfs_lock) defined by Lustre
542 * isn't necessary anymore for lprocfs_generic_fops(e.g. lprocfs_fops_read).
543 * see bug19706 for detailed information.
545 #ifndef HAVE_PROCFS_USERS
547 #define LPROCFS_ENTRY() do { \
548 down_read(&_lprocfs_lock); \
550 #define LPROCFS_EXIT() do { \
551 up_read(&_lprocfs_lock); \
556 #define LPROCFS_ENTRY()
557 #define LPROCFS_EXIT()
560 #ifdef HAVE_PROCFS_DELETED
562 #ifdef HAVE_PROCFS_USERS
563 #error proc_dir_entry->deleted is conflicted with proc_dir_entry->pde_users
566 #define LPROCFS_ENTRY_AND_CHECK(dp) do { \
567 typecheck(struct proc_dir_entry *, dp); \
569 if ((dp)->deleted) { \
574 #define LPROCFS_CHECK_DELETED(dp) ((dp)->deleted)
576 #elif defined HAVE_PROCFS_USERS
578 #define LPROCFS_CHECK_DELETED(dp) ({ \
580 spin_lock(&(dp)->pde_unload_lock); \
581 if (dp->proc_fops == NULL) \
583 spin_unlock(&(dp)->pde_unload_lock); \
587 #define LPROCFS_ENTRY_AND_CHECK(dp) do { \
588 if (LPROCFS_CHECK_DELETED(dp)) \
594 #define LPROCFS_ENTRY_AND_CHECK(dp) \
596 #define LPROCFS_CHECK_DELETED(dp) (0)
599 #define LPROCFS_SRCH_ENTRY() do { \
600 down_read(&_lprocfs_lock); \
603 #define LPROCFS_SRCH_EXIT() do { \
604 up_read(&_lprocfs_lock); \
607 #define LPROCFS_WRITE_ENTRY() do { \
608 down_write(&_lprocfs_lock); \
610 #define LPROCFS_WRITE_EXIT() do { \
611 up_write(&_lprocfs_lock); \
615 /* You must use these macros when you want to refer to
616 * the import in a client obd_device for a lprocfs entry */
617 #define LPROCFS_CLIMP_CHECK(obd) do { \
618 typecheck(struct obd_device *, obd); \
619 down_read(&(obd)->u.cli.cl_sem); \
620 if ((obd)->u.cli.cl_import == NULL) { \
621 up_read(&(obd)->u.cli.cl_sem); \
625 #define LPROCFS_CLIMP_EXIT(obd) \
626 up_read(&(obd)->u.cli.cl_sem);
629 /* write the name##_seq_show function, call LPROC_SEQ_FOPS_RO for read-only
630 proc entries; otherwise, you will define name##_seq_write function also for
631 a read-write proc entry, and then call LPROC_SEQ_SEQ instead. Finally,
632 call lprocfs_obd_seq_create(obd, filename, 0444, &name#_fops, data); */
633 #define __LPROC_SEQ_FOPS(name, custom_seq_write) \
634 static int name##_seq_open(struct inode *inode, struct file *file) { \
635 struct proc_dir_entry *dp = PDE(inode); \
637 LPROCFS_ENTRY_AND_CHECK(dp); \
638 rc = single_open(file, name##_seq_show, dp->data); \
645 struct file_operations name##_fops = { \
646 .owner = THIS_MODULE, \
647 .open = name##_seq_open, \
649 .write = custom_seq_write, \
650 .llseek = seq_lseek, \
651 .release = lprocfs_seq_release, \
654 #define LPROC_SEQ_FOPS_RO(name) __LPROC_SEQ_FOPS(name, NULL)
655 #define LPROC_SEQ_FOPS(name) __LPROC_SEQ_FOPS(name, name##_seq_write)
658 struct ptlrpc_request;
659 extern void target_print_req(void *seq_file, struct ptlrpc_request *req);
661 int lprocfs_obd_rd_recovery_time_soft(char *page, char **start, off_t off,
662 int count, int *eof, void *data);
663 int lprocfs_obd_wr_recovery_time_soft(struct file *file, const char *buffer,
664 unsigned long count, void *data);
665 int lprocfs_obd_rd_recovery_time_hard(char *page, char **start, off_t off,
666 int count, int *eof, void *data);
667 int lprocfs_obd_wr_recovery_time_hard(struct file *file, const char *buffer,
668 unsigned long count, void *data);
670 #ifdef HAVE_DELAYED_RECOVERY
671 int lprocfs_obd_rd_stale_export_age(char *page, char **start, off_t off,
672 int count, int *eof, void *data);
673 int lprocfs_obd_wr_stale_export_age(struct file *file, const char *buffer,
674 unsigned long count, void *data);
675 int lprocfs_obd_attach_stale_exports(struct obd_device *dev);
676 int lprocfs_obd_wr_flush_stale_exports(struct file *file, const char *buffer,
677 unsigned long count, 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);
730 /* LPROCFS is not defined */
731 static inline void lprocfs_counter_add(struct lprocfs_stats *stats,
732 int index, long amount) { return; }
733 static inline void lprocfs_counter_incr(struct lprocfs_stats *stats,
734 int index) { return; }
735 static inline void lprocfs_counter_sub(struct lprocfs_stats *stats,
736 int index, long amount) { return; }
737 static inline void lprocfs_counter_init(struct lprocfs_stats *stats,
738 int index, unsigned conf,
739 const char *name, const char *units)
742 static inline __u64 lc_read_helper(struct lprocfs_counter *lc,
743 enum lprocfs_fields_flags field)
746 static inline struct lprocfs_stats* lprocfs_alloc_stats(unsigned int num,
747 enum lprocfs_stats_flags flags)
749 static inline void lprocfs_clear_stats(struct lprocfs_stats *stats)
751 static inline void lprocfs_free_stats(struct lprocfs_stats **stats)
753 static inline int lprocfs_register_stats(cfs_proc_dir_entry_t *root,
755 struct lprocfs_stats *stats)
757 static inline void lprocfs_init_ops_stats(int num_private_stats,
758 struct lprocfs_stats *stats)
760 static inline void lprocfs_init_ldlm_stats(struct lprocfs_stats *ldlm_stats)
762 static inline int lprocfs_alloc_obd_stats(struct obd_device *obddev,
763 unsigned int num_private_stats)
765 static inline void lprocfs_free_obd_stats(struct obd_device *obddev)
769 static inline int lprocfs_add_clear_entry(struct obd_export *exp)
771 static inline int lprocfs_exp_setup(struct obd_export *exp, lnet_nid_t *peer_nid,
772 int reconnect, int *newnid)
774 static inline int lprocfs_exp_cleanup(struct obd_export *exp)
776 static inline cfs_proc_dir_entry_t *lprocfs_add_simple(struct proc_dir_entry *root,
778 read_proc_t *read_proc,
779 write_proc_t *write_proc,
781 struct file_operations *fops)
784 static inline void lprocfs_free_per_client_stats(struct obd_device *obd)
787 int lprocfs_nid_stats_clear_write(struct file *file, const char *buffer,
788 unsigned long count, void *data)
791 int lprocfs_nid_stats_clear_read(char *page, char **start, off_t off,
792 int count, int *eof, void *data)
796 static inline cfs_proc_dir_entry_t *
797 lprocfs_register(const char *name, cfs_proc_dir_entry_t *parent,
798 struct lprocfs_vars *list, void *data) { return NULL; }
799 static inline int lprocfs_add_vars(cfs_proc_dir_entry_t *root,
800 struct lprocfs_vars *var,
801 void *data) { return 0; }
802 static inline void lprocfs_remove(cfs_proc_dir_entry_t **root) {};
803 static inline cfs_proc_dir_entry_t *lprocfs_srch(cfs_proc_dir_entry_t *head,
804 const char *name) {return 0;}
805 static inline int lprocfs_obd_setup(struct obd_device *dev,
806 struct lprocfs_vars *list) { return 0; }
807 static inline int lprocfs_obd_cleanup(struct obd_device *dev) { return 0; }
808 static inline int lprocfs_rd_u64(char *page, char **start, off_t off,
809 int count, int *eof, void *data) { return 0; }
810 static inline int lprocfs_rd_uuid(char *page, char **start, off_t off,
811 int count, int *eof, void *data) { return 0; }
812 static inline int lprocfs_rd_name(char *page, char **start, off_t off,
813 int count, int *eof, void *data) { return 0; }
814 static inline int lprocfs_rd_server_uuid(char *page, char **start, off_t off,
815 int count, int *eof, void *data)
817 static inline int lprocfs_rd_conn_uuid(char *page, char **start, off_t off,
818 int count, int *eof, void *data)
820 static inline int lprocfs_rd_import(char *page, char **start, off_t off,
821 int count, int *eof, void *data)
823 static inline int lprocfs_rd_state(char *page, char **start, off_t off,
824 int count, int *eof, void *data)
826 static inline int lprocfs_rd_connect_flags(char *page, char **start, off_t off,
827 int count, int *eof, void *data)
829 static inline int lprocfs_rd_num_exports(char *page, char **start, off_t off,
830 int count, int *eof, void *data)
832 static inline int lprocfs_rd_numrefs(char *page, char **start, off_t off,
833 int count, int *eof, void *data)
835 struct adaptive_timeout;
836 static inline int lprocfs_at_hist_helper(char *page, int count, int rc,
837 struct adaptive_timeout *at)
839 static inline int lprocfs_rd_timeouts(char *page, char **start, off_t off,
840 int count, int *eof, void *data)
842 static inline int lprocfs_wr_timeouts(struct file *file, const char *buffer,
843 unsigned long count, void *data)
845 static inline int lprocfs_wr_evict_client(struct file *file, const char *buffer,
846 unsigned long count, void *data)
848 static inline int lprocfs_wr_ping(struct file *file, const char *buffer,
849 unsigned long count, void *data)
851 #ifdef HAVE_DELAYED_RECOVERY
853 int lprocfs_obd_rd_stale_export_age(char *page, char **start, off_t off,
854 int count, int *eof, void *data)
857 int lprocfs_obd_wr_stale_export_age(struct file *file, const char *buffer,
858 unsigned long count, void *data)
861 int lprocfs_obd_attach_stale_exports(struct obd_device *dev)
864 int lprocfs_obd_wr_flush_stale_exports(struct file *file, const char *buffer,
865 unsigned long count, void *data)
870 int lprocfs_rd_blksize(char *page, char **start, off_t off,
871 int count, int *eof, void *data) { return 0; }
873 int lprocfs_rd_kbytestotal(char *page, char **start, off_t off,
874 int count, int *eof, void *data) { return 0; }
876 int lprocfs_rd_kbytesfree(char *page, char **start, off_t off,
877 int count, int *eof, void *data) { return 0; }
879 int lprocfs_rd_kbytesavail(char *page, char **start, off_t off,
880 int count, int *eof, void *data) { return 0; }
882 int lprocfs_rd_filestotal(char *page, char **start, off_t off,
883 int count, int *eof, void *data) { return 0; }
885 int lprocfs_rd_filesfree(char *page, char **start, off_t off,
886 int count, int *eof, void *data) { return 0; }
888 int lprocfs_rd_filegroups(char *page, char **start, off_t off,
889 int count, int *eof, void *data) { return 0; }
891 void lprocfs_oh_tally(struct obd_histogram *oh, unsigned int value) {}
893 void lprocfs_oh_tally_log2(struct obd_histogram *oh, unsigned int value) {}
895 void lprocfs_oh_clear(struct obd_histogram *oh) {}
897 unsigned long lprocfs_oh_sum(struct obd_histogram *oh) { return 0; }
899 void lprocfs_stats_collect(struct lprocfs_stats *stats, int idx,
900 struct lprocfs_counter *cnt) {}
903 __u64 lprocfs_stats_collector(struct lprocfs_stats *stats, int idx,
904 enum lprocfs_fields_flags field)
907 #define LPROCFS_ENTRY()
908 #define LPROCFS_EXIT()
909 #define LPROCFS_ENTRY_AND_CHECK(dp)
910 #define LPROC_SEQ_FOPS_RO(name)
911 #define LPROC_SEQ_FOPS(name)
914 #define target_print_req NULL
918 #endif /* LPROCFS_SNMP_H */