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 #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;
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_NONE = 0x0000, /* per cpu counter */
169 LPROCFS_STATS_FLAG_NOPERCPU = 0x0001, /* stats have no percpu
170 * area and need locking */
171 LPROCFS_STATS_GET_SMP_ID = 0x0002, /* just record locking with
172 * LPROCFS_GET_SMP_ID flag */
175 enum lprocfs_fields_flags {
176 LPROCFS_FIELDS_FLAGS_CONFIG = 0x0001,
177 LPROCFS_FIELDS_FLAGS_SUM = 0x0002,
178 LPROCFS_FIELDS_FLAGS_MIN = 0x0003,
179 LPROCFS_FIELDS_FLAGS_MAX = 0x0004,
180 LPROCFS_FIELDS_FLAGS_AVG = 0x0005,
181 LPROCFS_FIELDS_FLAGS_SUMSQUARE = 0x0006,
182 LPROCFS_FIELDS_FLAGS_COUNT = 0x0007,
185 struct lprocfs_stats {
186 unsigned int ls_num; /* # of counters */
187 int ls_flags; /* See LPROCFS_STATS_FLAG_* */
188 spinlock_t ls_lock; /* Lock used only when there are
189 * no percpu stats areas */
190 struct lprocfs_percpu *ls_percpu[0];
193 static inline int opcode_offset(__u32 opc) {
194 if (opc < OST_LAST_OPC) {
196 return (opc - OST_FIRST_OPC);
197 } else if (opc < MDS_LAST_OPC) {
199 return (opc - MDS_FIRST_OPC +
200 (OST_LAST_OPC - OST_FIRST_OPC));
201 } else if (opc < LDLM_LAST_OPC) {
203 return (opc - LDLM_FIRST_OPC +
204 (MDS_LAST_OPC - MDS_FIRST_OPC) +
205 (OST_LAST_OPC - OST_FIRST_OPC));
206 } else if (opc < MGS_LAST_OPC) {
208 return (opc - MGS_FIRST_OPC +
209 (LDLM_LAST_OPC - LDLM_FIRST_OPC) +
210 (MDS_LAST_OPC - MDS_FIRST_OPC) +
211 (OST_LAST_OPC - OST_FIRST_OPC));
212 } else if (opc < OBD_LAST_OPC) {
214 return (opc - OBD_FIRST_OPC +
215 (MGS_LAST_OPC - MGS_FIRST_OPC) +
216 (LDLM_LAST_OPC - LDLM_FIRST_OPC) +
217 (MDS_LAST_OPC - MDS_FIRST_OPC) +
218 (OST_LAST_OPC - OST_FIRST_OPC));
219 } else if (opc < LLOG_LAST_OPC) {
221 return (opc - LLOG_FIRST_OPC +
222 (OBD_LAST_OPC - OBD_FIRST_OPC) +
223 (MGS_LAST_OPC - MGS_FIRST_OPC) +
224 (LDLM_LAST_OPC - LDLM_FIRST_OPC) +
225 (MDS_LAST_OPC - MDS_FIRST_OPC) +
226 (OST_LAST_OPC - OST_FIRST_OPC));
227 } else if (opc < QUOTA_LAST_OPC) {
229 return (opc - QUOTA_FIRST_OPC +
230 (LLOG_LAST_OPC - LLOG_FIRST_OPC) +
231 (OBD_LAST_OPC - OBD_FIRST_OPC) +
232 (MGS_LAST_OPC - MGS_FIRST_OPC) +
233 (LDLM_LAST_OPC - LDLM_FIRST_OPC) +
234 (MDS_LAST_OPC - MDS_FIRST_OPC) +
235 (OST_LAST_OPC - OST_FIRST_OPC));
236 } else if (opc < SEQ_LAST_OPC) {
238 return (opc - SEQ_FIRST_OPC +
239 (QUOTA_LAST_OPC - QUOTA_FIRST_OPC) +
240 (LLOG_LAST_OPC - LLOG_FIRST_OPC) +
241 (OBD_LAST_OPC - OBD_FIRST_OPC) +
242 (MGS_LAST_OPC - MGS_FIRST_OPC) +
243 (LDLM_LAST_OPC - LDLM_FIRST_OPC) +
244 (MDS_LAST_OPC - MDS_FIRST_OPC) +
245 (OST_LAST_OPC - OST_FIRST_OPC));
252 #define LUSTRE_MAX_OPCODES ((OST_LAST_OPC - OST_FIRST_OPC) + \
253 (MDS_LAST_OPC - MDS_FIRST_OPC) + \
254 (LDLM_LAST_OPC - LDLM_FIRST_OPC) + \
255 (MGS_LAST_OPC - MGS_FIRST_OPC) + \
256 (OBD_LAST_OPC - OBD_FIRST_OPC) + \
257 (LLOG_LAST_OPC - LLOG_FIRST_OPC) + \
258 (QUOTA_LAST_OPC - QUOTA_FIRST_OPC) + \
259 (SEQ_LAST_OPC - SEQ_FIRST_OPC))
261 #define EXTRA_MAX_OPCODES ((PTLRPC_LAST_CNTR - PTLRPC_FIRST_CNTR) + \
262 (EXTRA_LAST_OPC - EXTRA_FIRST_OPC))
265 PTLRPC_REQWAIT_CNTR = 0,
266 PTLRPC_REQQDEPTH_CNTR,
267 PTLRPC_REQACTIVE_CNTR,
269 PTLRPC_REQBUF_AVAIL_CNTR,
273 #define PTLRPC_FIRST_CNTR PTLRPC_REQWAIT_CNTR
276 LDLM_GLIMPSE_ENQUEUE = 0,
292 #define EXTRA_FIRST_OPC LDLM_GLIMPSE_ENQUEUE
294 extern cfs_proc_dir_entry_t *proc_lustre_root;
298 struct obd_histogram;
300 /* Days / hours / mins / seconds format */
304 static inline void s2dhms(struct dhms *ts, time_t secs)
306 ts->d = secs / 86400;
313 #define DHMS_FMT "%dd%dh%02dm%02ds"
314 #define DHMS_VARS(x) (x)->d, (x)->h, (x)->m, (x)->s
319 static inline int lprocfs_stats_lock(struct lprocfs_stats *stats, int type)
323 if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) {
324 if (type & LPROCFS_GET_NUM_CPU)
326 if (type & LPROCFS_GET_SMP_ID)
328 spin_lock(&stats->ls_lock);
330 if (type & LPROCFS_GET_NUM_CPU)
331 rc = num_possible_cpus();
332 if (type & LPROCFS_GET_SMP_ID) {
333 stats->ls_flags |= LPROCFS_STATS_GET_SMP_ID;
340 static inline void lprocfs_stats_unlock(struct lprocfs_stats *stats)
342 if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU)
343 spin_unlock(&stats->ls_lock);
344 else if (stats->ls_flags & LPROCFS_STATS_GET_SMP_ID)
348 /* Two optimized LPROCFS counter increment functions are provided:
349 * lprocfs_counter_incr(cntr, value) - optimized for by-one counters
350 * lprocfs_counter_add(cntr) - use for multi-valued counters
351 * Counter data layout allows config flag, counter lock and the
352 * count itself to reside within a single cache line.
355 extern void lprocfs_counter_add(struct lprocfs_stats *stats, int idx,
357 extern void lprocfs_counter_sub(struct lprocfs_stats *stats, int idx,
360 #define lprocfs_counter_incr(stats, idx) \
361 lprocfs_counter_add(stats, idx, 1)
362 #define lprocfs_counter_decr(stats, idx) \
363 lprocfs_counter_sub(stats, idx, 1)
365 extern __s64 lprocfs_read_helper(struct lprocfs_counter *lc,
366 enum lprocfs_fields_flags field);
368 static inline __u64 lprocfs_stats_collector(struct lprocfs_stats *stats,
370 enum lprocfs_fields_flags field)
375 LASSERT(stats != NULL);
376 for (i = 0; i < num_possible_cpus(); i++)
377 ret += lprocfs_read_helper(&(stats->ls_percpu[i]->lp_cntr[idx]),
382 extern struct lprocfs_stats *lprocfs_alloc_stats(unsigned int num,
383 enum lprocfs_stats_flags flags);
384 extern void lprocfs_clear_stats(struct lprocfs_stats *stats);
385 extern void lprocfs_free_stats(struct lprocfs_stats **stats);
386 extern void lprocfs_init_ops_stats(int num_private_stats,
387 struct lprocfs_stats *stats);
388 extern void lprocfs_init_ldlm_stats(struct lprocfs_stats *ldlm_stats);
389 extern int lprocfs_alloc_obd_stats(struct obd_device *obddev,
390 unsigned int num_private_stats);
391 extern void lprocfs_counter_init(struct lprocfs_stats *stats, int index,
392 unsigned conf, const char *name,
394 extern void lprocfs_free_obd_stats(struct obd_device *obddev);
396 extern int lprocfs_add_clear_entry(struct obd_device * obd,
397 cfs_proc_dir_entry_t *entry);
398 extern int lprocfs_exp_setup(struct obd_export *exp,
399 lnet_nid_t *peer_nid, int reconnect, int *newnid);
400 extern int lprocfs_exp_cleanup(struct obd_export *exp);
401 extern cfs_proc_dir_entry_t *lprocfs_add_simple(struct proc_dir_entry *root,
403 read_proc_t *read_proc,
404 write_proc_t *write_proc,
406 struct file_operations *fops);
407 extern int lprocfs_register_stats(cfs_proc_dir_entry_t *root, const char *name,
408 struct lprocfs_stats *stats);
410 /* lprocfs_status.c */
411 extern int lprocfs_add_vars(cfs_proc_dir_entry_t *root,
412 struct lprocfs_vars *var,
415 extern cfs_proc_dir_entry_t *lprocfs_register(const char *name,
416 cfs_proc_dir_entry_t *parent,
417 struct lprocfs_vars *list,
420 extern void lprocfs_remove(cfs_proc_dir_entry_t **root);
422 extern cfs_proc_dir_entry_t *lprocfs_srch(cfs_proc_dir_entry_t *root,
425 extern int lprocfs_obd_setup(struct obd_device *obd, struct lprocfs_vars *list);
426 extern int lprocfs_obd_cleanup(struct obd_device *obd);
428 extern void lprocfs_free_per_client_stats(struct obd_device *obd);
429 extern int lprocfs_nid_stats_clear_write(struct file *file, const char *buffer,
430 unsigned long count, void *data);
431 extern int lprocfs_nid_stats_clear_read(char *page, char **start, off_t off,
432 int count, int *eof, void *data);
435 extern struct file_operations lprocfs_evict_client_fops;
437 extern int lprocfs_seq_create(cfs_proc_dir_entry_t *parent, char *name,
438 mode_t mode, struct file_operations *seq_fops,
440 extern int lprocfs_obd_seq_create(struct obd_device *dev, char *name,
441 mode_t mode, struct file_operations *seq_fops,
444 /* Generic callbacks */
446 extern int lprocfs_rd_u64(char *page, char **start, off_t off,
447 int count, int *eof, void *data);
448 extern int lprocfs_rd_atomic(char *page, char **start, off_t off,
449 int count, int *eof, void *data);
450 extern int lprocfs_wr_atomic(struct file *file, const char *buffer,
451 unsigned long count, void *data);
452 extern int lprocfs_rd_uint(char *page, char **start, off_t off,
453 int count, int *eof, void *data);
454 extern int lprocfs_wr_uint(struct file *file, const char *buffer,
455 unsigned long count, void *data);
456 extern int lprocfs_rd_uuid(char *page, char **start, off_t off,
457 int count, int *eof, void *data);
458 extern int lprocfs_rd_name(char *page, char **start, off_t off,
459 int count, int *eof, void *data);
460 extern int lprocfs_rd_fstype(char *page, char **start, off_t off,
461 int count, int *eof, void *data);
462 extern int lprocfs_rd_server_uuid(char *page, char **start, off_t off,
463 int count, int *eof, void *data);
464 extern int lprocfs_rd_conn_uuid(char *page, char **start, off_t off,
465 int count, int *eof, void *data);
466 extern int lprocfs_rd_import(char *page, char **start, off_t off, int count,
467 int *eof, void *data);
468 extern int lprocfs_rd_state(char *page, char **start, off_t off, int count,
469 int *eof, void *data);
470 extern int lprocfs_rd_connect_flags(char *page, char **start, off_t off,
471 int count, int *eof, void *data);
472 extern int lprocfs_rd_num_exports(char *page, char **start, off_t off,
473 int count, int *eof, void *data);
474 extern int lprocfs_rd_numrefs(char *page, char **start, off_t off,
475 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);
489 extern int lprocfs_rd_quota_resend_count(char *page, char **start, off_t off,
490 int count, int *eof, void *data);
491 extern int lprocfs_wr_quota_resend_count(struct file *file, const char *buffer,
492 unsigned long count, void *data);
495 extern int lprocfs_rd_blksize(char *page, char **start, off_t off,
496 int count, int *eof, void *data);
497 extern int lprocfs_rd_kbytestotal(char *page, char **start, off_t off,
498 int count, int *eof, void *data);
499 extern int lprocfs_rd_kbytesfree(char *page, char **start, off_t off,
500 int count, int *eof, void *data);
501 extern int lprocfs_rd_kbytesavail(char *page, char **start, off_t off,
502 int count, int *eof, void *data);
503 extern int lprocfs_rd_filestotal(char *page, char **start, off_t off,
504 int count, int *eof, void *data);
505 extern int lprocfs_rd_filesfree(char *page, char **start, off_t off,
506 int count, int *eof, void *data);
507 extern int lprocfs_rd_filegroups(char *page, char **start, off_t off,
508 int count, int *eof, void *data);
511 extern int lprocfs_write_helper(const char *buffer, unsigned long count,
513 extern int lprocfs_write_frac_helper(const char *buffer, unsigned long count,
515 extern int lprocfs_read_frac_helper(char *buffer, unsigned long count,
517 extern int lprocfs_write_u64_helper(const char *buffer, unsigned long count,
519 extern int lprocfs_write_frac_u64_helper(const char *buffer, unsigned long count,
520 __u64 *val, int mult);
521 void lprocfs_oh_tally(struct obd_histogram *oh, unsigned int value);
522 void lprocfs_oh_tally_log2(struct obd_histogram *oh, unsigned int value);
523 void lprocfs_oh_clear(struct obd_histogram *oh);
524 unsigned long lprocfs_oh_sum(struct obd_histogram *oh);
526 void lprocfs_stats_collect(struct lprocfs_stats *stats, int idx,
527 struct lprocfs_counter *cnt);
530 /* lprocfs_status.c: recovery status */
531 int lprocfs_obd_rd_recovery_status(char *page, char **start, off_t off,
532 int count, int *eof, void *data);
534 /* lprocfs_statuc.c: hash statistics */
535 int lprocfs_obd_rd_hash(char *page, char **start, off_t off,
536 int count, int *eof, void *data);
538 extern int lprocfs_seq_release(struct inode *, struct file *);
540 /* in lprocfs_stat.c, to protect the private data for proc entries */
541 extern struct rw_semaphore _lprocfs_lock;
543 /* to begin from 2.6.23, Linux defines self file_operations (proc_reg_file_ops)
544 * in procfs, the proc file_operation defined by Lustre (lprocfs_generic_fops)
545 * will be wrapped into the new defined proc_reg_file_ops, which instroduces
546 * user count in proc_dir_entrey(pde_users) to protect the proc entry from
547 * being deleted. then the protection lock (_lprocfs_lock) defined by Lustre
548 * isn't necessary anymore for lprocfs_generic_fops(e.g. lprocfs_fops_read).
549 * see bug19706 for detailed information.
551 #ifndef HAVE_PROCFS_USERS
553 #define LPROCFS_ENTRY() do { \
554 down_read(&_lprocfs_lock); \
556 #define LPROCFS_EXIT() do { \
557 up_read(&_lprocfs_lock); \
562 #define LPROCFS_ENTRY()
563 #define LPROCFS_EXIT()
566 #ifdef HAVE_PROCFS_DELETED
568 #ifdef HAVE_PROCFS_USERS
569 #error proc_dir_entry->deleted is conflicted with proc_dir_entry->pde_users
572 #define LPROCFS_ENTRY_AND_CHECK(dp) do { \
573 typecheck(struct proc_dir_entry *, dp); \
575 if ((dp)->deleted) { \
580 #define LPROCFS_CHECK_DELETED(dp) ((dp)->deleted)
582 #elif defined HAVE_PROCFS_USERS
584 #define LPROCFS_CHECK_DELETED(dp) ({ \
586 spin_lock(&(dp)->pde_unload_lock); \
587 if (dp->proc_fops == NULL) \
589 spin_unlock(&(dp)->pde_unload_lock); \
593 #define LPROCFS_ENTRY_AND_CHECK(dp) do { \
594 if (LPROCFS_CHECK_DELETED(dp)) \
600 #define LPROCFS_ENTRY_AND_CHECK(dp) \
602 #define LPROCFS_CHECK_DELETED(dp) (0)
605 #define LPROCFS_SRCH_ENTRY() do { \
606 down_read(&_lprocfs_lock); \
609 #define LPROCFS_SRCH_EXIT() do { \
610 up_read(&_lprocfs_lock); \
613 #define LPROCFS_WRITE_ENTRY() do { \
614 down_write(&_lprocfs_lock); \
616 #define LPROCFS_WRITE_EXIT() do { \
617 up_write(&_lprocfs_lock); \
621 /* You must use these macros when you want to refer to
622 * the import in a client obd_device for a lprocfs entry */
623 #define LPROCFS_CLIMP_CHECK(obd) do { \
624 typecheck(struct obd_device *, obd); \
625 down_read(&(obd)->u.cli.cl_sem); \
626 if ((obd)->u.cli.cl_import == NULL) { \
627 up_read(&(obd)->u.cli.cl_sem); \
631 #define LPROCFS_CLIMP_EXIT(obd) \
632 up_read(&(obd)->u.cli.cl_sem);
635 /* write the name##_seq_show function, call LPROC_SEQ_FOPS_RO for read-only
636 proc entries; otherwise, you will define name##_seq_write function also for
637 a read-write proc entry, and then call LPROC_SEQ_SEQ instead. Finally,
638 call lprocfs_obd_seq_create(obd, filename, 0444, &name#_fops, data); */
639 #define __LPROC_SEQ_FOPS(name, custom_seq_write) \
640 static int name##_seq_open(struct inode *inode, struct file *file) { \
641 struct proc_dir_entry *dp = PDE(inode); \
643 LPROCFS_ENTRY_AND_CHECK(dp); \
644 rc = single_open(file, name##_seq_show, dp->data); \
651 struct file_operations name##_fops = { \
652 .owner = THIS_MODULE, \
653 .open = name##_seq_open, \
655 .write = custom_seq_write, \
656 .llseek = seq_lseek, \
657 .release = lprocfs_seq_release, \
660 #define LPROC_SEQ_FOPS_RO(name) __LPROC_SEQ_FOPS(name, NULL)
661 #define LPROC_SEQ_FOPS(name) __LPROC_SEQ_FOPS(name, name##_seq_write)
664 struct ptlrpc_request;
665 extern void target_print_req(void *seq_file, struct ptlrpc_request *req);
667 int lprocfs_obd_rd_recovery_time_soft(char *page, char **start, off_t off,
668 int count, int *eof, void *data);
669 int lprocfs_obd_wr_recovery_time_soft(struct file *file, const char *buffer,
670 unsigned long count, void *data);
671 int lprocfs_obd_rd_recovery_time_hard(char *page, char **start, off_t off,
672 int count, int *eof, void *data);
673 int lprocfs_obd_wr_recovery_time_hard(struct file *file, const char *buffer,
674 unsigned long count, void *data);
676 #ifdef HAVE_DELAYED_RECOVERY
677 int lprocfs_obd_rd_stale_export_age(char *page, char **start, off_t off,
678 int count, int *eof, void *data);
679 int lprocfs_obd_wr_stale_export_age(struct file *file, const char *buffer,
680 unsigned long count, void *data);
681 int lprocfs_obd_attach_stale_exports(struct obd_device *dev);
682 int lprocfs_obd_wr_flush_stale_exports(struct file *file, const char *buffer,
683 unsigned long count, void *data);
685 /* all quota proc functions */
686 extern int lprocfs_quota_rd_bunit(char *page, char **start, off_t off, int count,
687 int *eof, void *data);
688 extern int lprocfs_quota_wr_bunit(struct file *file, const char *buffer,
689 unsigned long count, void *data);
690 extern int lprocfs_quota_rd_btune(char *page, char **start, off_t off, int count,
691 int *eof, void *data);
692 extern int lprocfs_quota_wr_btune(struct file *file, const char *buffer,
693 unsigned long count, void *data);
694 extern int lprocfs_quota_rd_iunit(char *page, char **start, off_t off, int count,
695 int *eof, void *data);
696 extern int lprocfs_quota_wr_iunit(struct file *file, const char *buffer,
697 unsigned long count, void *data);
698 extern int lprocfs_quota_rd_itune(char *page, char **start, off_t off, int count,
699 int *eof, void *data);
700 extern int lprocfs_quota_wr_itune(struct file *file, const char *buffer,
701 unsigned long count, void *data);
702 extern int lprocfs_quota_rd_type(char *page, char **start, off_t off, int count,
703 int *eof, void *data);
704 extern int lprocfs_quota_wr_type(struct file *file, const char *buffer,
705 unsigned long count, void *data);
706 extern int lprocfs_quota_rd_switch_seconds(char *page, char **start, off_t off,
707 int count, int *eof, void *data);
708 extern int lprocfs_quota_wr_switch_seconds(struct file *file, const char *buffer,
709 unsigned long count, void *data);
710 extern int lprocfs_quota_rd_sync_blk(char *page, char **start, off_t off,
711 int count, int *eof, void *data);
712 extern int lprocfs_quota_wr_sync_blk(struct file *file, const char *buffer,
713 unsigned long count, void *data);
714 extern int lprocfs_quota_rd_switch_qs(char *page, char **start, off_t off,
715 int count, int *eof, void *data);
716 extern int lprocfs_quota_wr_switch_qs(struct file *file, const char *buffer,
717 unsigned long count, void *data);
718 extern int lprocfs_quota_rd_boundary_factor(char *page, char **start, off_t off,
719 int count, int *eof, void *data);
720 extern int lprocfs_quota_wr_boundary_factor(struct file *file, const char *buffer,
721 unsigned long count, void *data);
722 extern int lprocfs_quota_rd_least_bunit(char *page, char **start, off_t off,
723 int count, int *eof, void *data);
724 extern int lprocfs_quota_wr_least_bunit(struct file *file, const char *buffer,
725 unsigned long count, void *data);
726 extern int lprocfs_quota_rd_least_iunit(char *page, char **start, off_t off,
727 int count, int *eof, void *data);
728 extern int lprocfs_quota_wr_least_iunit(struct file *file, const char *buffer,
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, const char *buffer,
733 unsigned long count, void *data);
736 /* LPROCFS is not defined */
737 static inline void lprocfs_counter_add(struct lprocfs_stats *stats,
738 int index, long amount) { return; }
739 static inline void lprocfs_counter_incr(struct lprocfs_stats *stats,
740 int index) { return; }
741 static inline void lprocfs_counter_sub(struct lprocfs_stats *stats,
742 int index, long amount) { return; }
743 static inline void lprocfs_counter_init(struct lprocfs_stats *stats,
744 int index, unsigned conf,
745 const char *name, const char *units)
748 static inline __u64 lc_read_helper(struct lprocfs_counter *lc,
749 enum lprocfs_fields_flags field)
752 static inline struct lprocfs_stats* lprocfs_alloc_stats(unsigned int num,
753 enum lprocfs_stats_flags flags)
755 static inline void lprocfs_clear_stats(struct lprocfs_stats *stats)
757 static inline void lprocfs_free_stats(struct lprocfs_stats **stats)
759 static inline int lprocfs_register_stats(cfs_proc_dir_entry_t *root,
761 struct lprocfs_stats *stats)
763 static inline void lprocfs_init_ops_stats(int num_private_stats,
764 struct lprocfs_stats *stats)
766 static inline void lprocfs_init_ldlm_stats(struct lprocfs_stats *ldlm_stats)
768 static inline int lprocfs_alloc_obd_stats(struct obd_device *obddev,
769 unsigned int num_private_stats)
771 static inline void lprocfs_free_obd_stats(struct obd_device *obddev)
775 static inline int lprocfs_add_clear_entry(struct obd_export *exp)
777 static inline int lprocfs_exp_setup(struct obd_export *exp, lnet_nid_t *peer_nid,
778 int reconnect, int *newnid)
780 static inline int lprocfs_exp_cleanup(struct obd_export *exp)
782 static inline cfs_proc_dir_entry_t *lprocfs_add_simple(struct proc_dir_entry *root,
784 read_proc_t *read_proc,
785 write_proc_t *write_proc,
787 struct file_operations *fops)
790 static inline void lprocfs_free_per_client_stats(struct obd_device *obd)
793 int lprocfs_nid_stats_clear_write(struct file *file, const char *buffer,
794 unsigned long count, void *data)
797 int lprocfs_nid_stats_clear_read(char *page, char **start, off_t off,
798 int count, int *eof, void *data)
802 static inline cfs_proc_dir_entry_t *
803 lprocfs_register(const char *name, cfs_proc_dir_entry_t *parent,
804 struct lprocfs_vars *list, void *data) { return NULL; }
805 static inline int lprocfs_add_vars(cfs_proc_dir_entry_t *root,
806 struct lprocfs_vars *var,
807 void *data) { return 0; }
808 static inline void lprocfs_remove(cfs_proc_dir_entry_t **root) {};
809 static inline cfs_proc_dir_entry_t *lprocfs_srch(cfs_proc_dir_entry_t *head,
810 const char *name) {return 0;}
811 static inline int lprocfs_obd_setup(struct obd_device *dev,
812 struct lprocfs_vars *list) { return 0; }
813 static inline int lprocfs_obd_cleanup(struct obd_device *dev) { return 0; }
814 static inline int lprocfs_rd_u64(char *page, char **start, off_t off,
815 int count, int *eof, void *data) { return 0; }
816 static inline int lprocfs_rd_uuid(char *page, char **start, off_t off,
817 int count, int *eof, void *data) { return 0; }
818 static inline int lprocfs_rd_name(char *page, char **start, off_t off,
819 int count, int *eof, void *data) { return 0; }
820 static inline int lprocfs_rd_server_uuid(char *page, char **start, off_t off,
821 int count, int *eof, void *data)
823 static inline int lprocfs_rd_conn_uuid(char *page, char **start, off_t off,
824 int count, int *eof, void *data)
826 static inline int lprocfs_rd_import(char *page, char **start, off_t off,
827 int count, int *eof, void *data)
829 static inline int lprocfs_rd_state(char *page, char **start, off_t off,
830 int count, int *eof, void *data)
832 static inline int lprocfs_rd_connect_flags(char *page, char **start, off_t off,
833 int count, int *eof, void *data)
835 static inline int lprocfs_rd_num_exports(char *page, char **start, off_t off,
836 int count, int *eof, void *data)
838 static inline int lprocfs_rd_numrefs(char *page, char **start, off_t off,
839 int count, int *eof, void *data)
841 struct adaptive_timeout;
842 static inline int lprocfs_at_hist_helper(char *page, int count, int rc,
843 struct adaptive_timeout *at)
845 static inline int lprocfs_rd_timeouts(char *page, char **start, off_t off,
846 int count, int *eof, void *data)
848 static inline int lprocfs_wr_timeouts(struct file *file, const char *buffer,
849 unsigned long count, void *data)
851 static inline int lprocfs_wr_evict_client(struct file *file, const char *buffer,
852 unsigned long count, void *data)
854 static inline int lprocfs_wr_ping(struct file *file, const char *buffer,
855 unsigned long count, void *data)
857 #ifdef HAVE_DELAYED_RECOVERY
859 int lprocfs_obd_rd_stale_export_age(char *page, char **start, off_t off,
860 int count, int *eof, void *data)
863 int lprocfs_obd_wr_stale_export_age(struct file *file, const char *buffer,
864 unsigned long count, void *data)
867 int lprocfs_obd_attach_stale_exports(struct obd_device *dev)
870 int lprocfs_obd_wr_flush_stale_exports(struct file *file, const char *buffer,
871 unsigned long count, void *data)
876 int lprocfs_rd_blksize(char *page, char **start, off_t off,
877 int count, int *eof, void *data) { return 0; }
879 int lprocfs_rd_kbytestotal(char *page, char **start, off_t off,
880 int count, int *eof, void *data) { return 0; }
882 int lprocfs_rd_kbytesfree(char *page, char **start, off_t off,
883 int count, int *eof, void *data) { return 0; }
885 int lprocfs_rd_kbytesavail(char *page, char **start, off_t off,
886 int count, int *eof, void *data) { return 0; }
888 int lprocfs_rd_filestotal(char *page, char **start, off_t off,
889 int count, int *eof, void *data) { return 0; }
891 int lprocfs_rd_filesfree(char *page, char **start, off_t off,
892 int count, int *eof, void *data) { return 0; }
894 int lprocfs_rd_filegroups(char *page, char **start, off_t off,
895 int count, int *eof, void *data) { return 0; }
897 void lprocfs_oh_tally(struct obd_histogram *oh, unsigned int value) {}
899 void lprocfs_oh_tally_log2(struct obd_histogram *oh, unsigned int value) {}
901 void lprocfs_oh_clear(struct obd_histogram *oh) {}
903 unsigned long lprocfs_oh_sum(struct obd_histogram *oh) { return 0; }
905 void lprocfs_stats_collect(struct lprocfs_stats *stats, int idx,
906 struct lprocfs_counter *cnt) {}
909 __u64 lprocfs_stats_collector(struct lprocfs_stats *stats, int idx,
910 enum lprocfs_fields_flags field)
913 #define LPROCFS_ENTRY()
914 #define LPROCFS_EXIT()
915 #define LPROCFS_ENTRY_AND_CHECK(dp)
916 #define LPROC_SEQ_FOPS_RO(name)
917 #define LPROC_SEQ_FOPS(name)
920 #define target_print_req NULL
924 #endif /* LPROCFS_SNMP_H */