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, Intel Corporation.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 * lustre/include/lprocfs_status.h
38 * Top level header file for LProc SNMP
40 * Author: Hariharan Thantry thantry@users.sourceforge.net
42 #ifndef _LPROCFS_SNMP_H
43 #define _LPROCFS_SNMP_H
45 #include <linux/proc_fs.h>
46 #include <linux/debugfs.h>
47 #include <linux/seq_file.h>
48 #include <linux/spinlock.h>
49 #include <linux/types.h>
51 #include "lustre/lustre_idl.h"
55 struct file_operations *fops;
63 struct lprocfs_static_vars {
64 struct lprocfs_vars *obd_vars;
65 struct attribute_group *sysfs_vars;
68 /* if we find more consumers this could be generalized */
69 #define OBD_HIST_MAX 32
70 struct obd_histogram {
72 unsigned long oh_buckets[OBD_HIST_MAX];
94 struct obd_histogram hist[BRW_LAST];
98 RENAME_SAMEDIR_SIZE = 0,
99 RENAME_CROSSDIR_SRC_SIZE,
100 RENAME_CROSSDIR_TGT_SIZE,
104 struct rename_stats {
105 struct obd_histogram hist[RENAME_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 #define LC_MIN_INIT ((~(__u64)0) >> 1)
143 struct lprocfs_counter_header {
144 unsigned int lc_config;
145 const char *lc_name; /* must be static */
146 const char *lc_units; /* must be static */
149 struct lprocfs_counter {
155 * Every counter has lc_array_sum[0], while lc_array_sum[1] is only
156 * for irq context counter, i.e. stats with
157 * LPROCFS_STATS_FLAG_IRQ_SAFE flag, its counter need
160 __s64 lc_array_sum[1];
162 #define lc_sum lc_array_sum[0]
163 #define lc_sum_irq lc_array_sum[1]
165 struct lprocfs_percpu {
169 struct lprocfs_counter lp_cntr[0];
172 #define LPROCFS_GET_NUM_CPU 0x0001
173 #define LPROCFS_GET_SMP_ID 0x0002
175 enum lprocfs_stats_flags {
176 LPROCFS_STATS_FLAG_NONE = 0x0000, /* per cpu counter */
177 LPROCFS_STATS_FLAG_NOPERCPU = 0x0001, /* stats have no percpu
178 * area and need locking */
179 LPROCFS_STATS_FLAG_IRQ_SAFE = 0x0002, /* alloc need irq safe */
182 enum lprocfs_fields_flags {
183 LPROCFS_FIELDS_FLAGS_CONFIG = 0x0001,
184 LPROCFS_FIELDS_FLAGS_SUM = 0x0002,
185 LPROCFS_FIELDS_FLAGS_MIN = 0x0003,
186 LPROCFS_FIELDS_FLAGS_MAX = 0x0004,
187 LPROCFS_FIELDS_FLAGS_AVG = 0x0005,
188 LPROCFS_FIELDS_FLAGS_SUMSQUARE = 0x0006,
189 LPROCFS_FIELDS_FLAGS_COUNT = 0x0007,
192 struct lprocfs_stats {
194 unsigned short ls_num;
195 /* 1 + the biggest cpu # whose ls_percpu slot has been allocated */
196 unsigned short ls_biggest_alloc_num;
197 enum lprocfs_stats_flags ls_flags;
198 /* Lock used when there are no percpu stats areas; For percpu stats,
199 * it is used to protect ls_biggest_alloc_num change */
202 /* has ls_num of counter headers */
203 struct lprocfs_counter_header *ls_cnt_header;
204 struct lprocfs_percpu *ls_percpu[0];
207 #define OPC_RANGE(seg) (seg ## _LAST_OPC - seg ## _FIRST_OPC)
209 /* Pack all opcodes down into a single monotonically increasing index */
210 static inline int opcode_offset(__u32 opc) {
211 if (opc < OST_LAST_OPC) {
213 return (opc - OST_FIRST_OPC);
214 } else if (opc < MDS_LAST_OPC) {
216 return (opc - MDS_FIRST_OPC +
218 } else if (opc < LDLM_LAST_OPC) {
220 return (opc - LDLM_FIRST_OPC +
223 } else if (opc < MGS_LAST_OPC) {
225 return (opc - MGS_FIRST_OPC +
229 } else if (opc < OBD_LAST_OPC) {
231 return (opc - OBD_FIRST_OPC +
236 } else if (opc < LLOG_LAST_OPC) {
238 return (opc - LLOG_FIRST_OPC +
244 } else if (opc < QUOTA_LAST_OPC) {
246 return (opc - QUOTA_FIRST_OPC +
253 } else if (opc < SEQ_LAST_OPC) {
255 return (opc - SEQ_FIRST_OPC +
263 } else if (opc < SEC_LAST_OPC) {
265 return (opc - SEC_FIRST_OPC +
274 } else if (opc < FLD_LAST_OPC) {
276 return (opc - FLD_FIRST_OPC +
286 } else if (opc < UPDATE_LAST_OPC) {
288 return (opc - UPDATE_FIRST_OPC +
306 #define LUSTRE_MAX_OPCODES (OPC_RANGE(OST) + \
318 #define EXTRA_MAX_OPCODES ((PTLRPC_LAST_CNTR - PTLRPC_FIRST_CNTR) + \
322 PTLRPC_REQWAIT_CNTR = 0,
323 PTLRPC_REQQDEPTH_CNTR,
324 PTLRPC_REQACTIVE_CNTR,
326 PTLRPC_REQBUF_AVAIL_CNTR,
330 #define PTLRPC_FIRST_CNTR PTLRPC_REQWAIT_CNTR
333 LDLM_GLIMPSE_ENQUEUE = 0,
350 #define EXTRA_FIRST_OPC LDLM_GLIMPSE_ENQUEUE
352 extern struct dentry *debugfs_lustre_root;
353 extern struct kobject *lustre_kobj;
356 struct obd_histogram;
358 /* Days / hours / mins / seconds format */
362 static inline void s2dhms(struct dhms *ts, time_t secs)
364 ts->d = secs / 86400;
371 #define DHMS_FMT "%dd%dh%02dm%02ds"
372 #define DHMS_VARS(x) (x)->d, (x)->h, (x)->m, (x)->s
374 #define JOBSTATS_JOBID_VAR_MAX_LEN 20
375 #define JOBSTATS_DISABLE "disable"
376 #define JOBSTATS_PROCNAME_UID "procname_uid"
377 #define JOBSTATS_NODELOCAL "nodelocal"
379 extern int lprocfs_write_frac_helper(const char __user *buffer,
380 unsigned long count, int *val, int mult);
381 extern int lprocfs_read_frac_helper(char *buffer, unsigned long count,
383 #if defined (CONFIG_PROC_FS)
385 extern int lprocfs_stats_alloc_one(struct lprocfs_stats *stats,
389 * < 0 : on error (only possible for opc as LPROCFS_GET_SMP_ID)
391 static inline int lprocfs_stats_lock(struct lprocfs_stats *stats, int opc,
392 unsigned long *flags)
400 case LPROCFS_GET_SMP_ID:
401 if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) {
402 if (stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE)
403 spin_lock_irqsave(&stats->ls_lock, *flags);
405 spin_lock(&stats->ls_lock);
408 unsigned int cpuid = get_cpu();
410 if (unlikely(stats->ls_percpu[cpuid] == NULL)) {
411 rc = lprocfs_stats_alloc_one(stats, cpuid);
420 case LPROCFS_GET_NUM_CPU:
421 if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) {
422 if (stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE)
423 spin_lock_irqsave(&stats->ls_lock, *flags);
425 spin_lock(&stats->ls_lock);
428 return stats->ls_biggest_alloc_num;
433 static inline void lprocfs_stats_unlock(struct lprocfs_stats *stats, int opc,
434 unsigned long *flags)
440 case LPROCFS_GET_SMP_ID:
441 if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) {
442 if (stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE) {
443 spin_unlock_irqrestore(&stats->ls_lock,
446 spin_unlock(&stats->ls_lock);
453 case LPROCFS_GET_NUM_CPU:
454 if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) {
455 if (stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE) {
456 spin_unlock_irqrestore(&stats->ls_lock,
459 spin_unlock(&stats->ls_lock);
466 static inline unsigned int
467 lprocfs_stats_counter_size(struct lprocfs_stats *stats)
469 unsigned int percpusize;
471 percpusize = offsetof(struct lprocfs_percpu, lp_cntr[stats->ls_num]);
473 /* irq safe stats need lc_array_sum[1] */
474 if ((stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE) != 0)
475 percpusize += stats->ls_num * sizeof(__s64);
477 if ((stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) == 0)
478 percpusize = L1_CACHE_ALIGN(percpusize);
483 static inline struct lprocfs_counter *
484 lprocfs_stats_counter_get(struct lprocfs_stats *stats, unsigned int cpuid,
487 struct lprocfs_counter *cntr;
489 cntr = &stats->ls_percpu[cpuid]->lp_cntr[index];
491 if ((stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE) != 0)
492 cntr = (void *)cntr + index * sizeof(__s64);
497 /* Two optimized LPROCFS counter increment functions are provided:
498 * lprocfs_counter_incr(cntr, value) - optimized for by-one counters
499 * lprocfs_counter_add(cntr) - use for multi-valued counters
500 * Counter data layout allows config flag, counter lock and the
501 * count itself to reside within a single cache line.
504 extern void lprocfs_counter_add(struct lprocfs_stats *stats, int idx,
506 extern void lprocfs_counter_sub(struct lprocfs_stats *stats, int idx,
509 #define lprocfs_counter_incr(stats, idx) \
510 lprocfs_counter_add(stats, idx, 1)
511 #define lprocfs_counter_decr(stats, idx) \
512 lprocfs_counter_sub(stats, idx, 1)
514 extern __s64 lprocfs_read_helper(struct lprocfs_counter *lc,
515 struct lprocfs_counter_header *header,
516 enum lprocfs_stats_flags flags,
517 enum lprocfs_fields_flags field);
518 static inline __u64 lprocfs_stats_collector(struct lprocfs_stats *stats,
520 enum lprocfs_fields_flags field)
523 unsigned int num_cpu;
524 unsigned long flags = 0;
527 LASSERT(stats != NULL);
529 num_cpu = lprocfs_stats_lock(stats, LPROCFS_GET_NUM_CPU, &flags);
530 for (i = 0; i < num_cpu; i++) {
531 if (stats->ls_percpu[i] == NULL)
533 ret += lprocfs_read_helper(
534 lprocfs_stats_counter_get(stats, i, idx),
535 &stats->ls_cnt_header[idx], stats->ls_flags,
538 lprocfs_stats_unlock(stats, LPROCFS_GET_NUM_CPU, &flags);
542 extern struct lprocfs_stats *
543 lprocfs_alloc_stats(unsigned int num, enum lprocfs_stats_flags flags);
544 extern void lprocfs_clear_stats(struct lprocfs_stats *stats);
545 extern void lprocfs_free_stats(struct lprocfs_stats **stats);
546 extern void lprocfs_init_ops_stats(int num_private_stats,
547 struct lprocfs_stats *stats);
548 extern void lprocfs_init_mps_stats(int num_private_stats,
549 struct lprocfs_stats *stats);
550 extern void lprocfs_init_ldlm_stats(struct lprocfs_stats *ldlm_stats);
551 extern int lprocfs_alloc_obd_stats(struct obd_device *obddev,
552 unsigned int num_private_stats);
553 extern int lprocfs_alloc_md_stats(struct obd_device *obddev,
554 unsigned int num_private_stats);
555 extern void lprocfs_counter_init(struct lprocfs_stats *stats, int index,
556 unsigned conf, const char *name,
558 extern void lprocfs_free_obd_stats(struct obd_device *obddev);
559 extern void lprocfs_free_md_stats(struct obd_device *obddev);
562 extern int lprocfs_add_clear_entry(struct obd_device *obd,
563 struct proc_dir_entry *entry);
564 extern int lprocfs_exp_cleanup(struct obd_export *exp);
565 extern struct dentry *ldebugfs_add_simple(struct dentry *root,
568 struct file_operations *fops);
569 extern struct proc_dir_entry *lprocfs_add_simple(struct proc_dir_entry *root,
572 struct file_operations *fops);
573 extern struct dentry *
574 ldebugfs_add_symlink(const char *name, struct dentry *parent,
575 const char *format, ...);
576 extern void lprocfs_free_per_client_stats(struct obd_device *obd);
578 lprocfs_nid_stats_clear_write(struct file *file, const char *buffer,
579 unsigned long count, void *data);
580 extern int lprocfs_nid_stats_clear_read(struct seq_file *m, void *data);
582 extern int ldebugfs_register_stats(struct dentry *parent,
584 struct lprocfs_stats *stats);
585 extern int lprocfs_register_stats(struct proc_dir_entry *root, const char *name,
586 struct lprocfs_stats *stats);
588 /* lprocfs_status.c */
589 extern int ldebugfs_add_vars(struct dentry *parent,
590 struct lprocfs_vars *var,
592 extern int lprocfs_add_vars(struct proc_dir_entry *root,
593 struct lprocfs_vars *var,
596 extern struct dentry *ldebugfs_register(const char *name,
597 struct dentry *parent,
598 struct lprocfs_vars *list,
600 extern struct proc_dir_entry *lprocfs_register(const char *name,
601 struct proc_dir_entry *parent,
602 struct lprocfs_vars *list,
605 extern void ldebugfs_remove(struct dentry **entryp);
606 extern void lprocfs_remove(struct proc_dir_entry **root);
607 extern void lprocfs_remove_proc_entry(const char *name,
608 struct proc_dir_entry *parent);
610 extern int lprocfs_obd_setup(struct obd_device *obd, struct lprocfs_vars *list,
611 struct attribute_group *attrs);
612 extern int lprocfs_obd_cleanup(struct obd_device *obd);
614 extern int ldebugfs_seq_create(struct dentry *parent,
617 const struct file_operations *seq_fops,
619 extern int lprocfs_seq_create(struct proc_dir_entry *parent, const char *name,
621 const struct file_operations *seq_fops,
623 extern int lprocfs_obd_seq_create(struct obd_device *dev, const char *name,
625 const struct file_operations *seq_fops,
628 /* Generic callbacks */
630 extern int lprocfs_rd_u64(struct seq_file *m, void *data);
631 extern int lprocfs_rd_atomic(struct seq_file *m, void *data);
632 extern int lprocfs_wr_atomic(struct file *file, const char __user *buffer,
633 unsigned long count, void *data);
634 extern int lprocfs_rd_uint(struct seq_file *m, void *data);
635 extern int lprocfs_wr_uint(struct file *file, const char __user *buffer,
636 unsigned long count, void *data);
637 extern int lprocfs_rd_name(struct seq_file *m, void *data);
638 extern int lprocfs_rd_server_uuid(struct seq_file *m, void *data);
639 extern int lprocfs_rd_conn_uuid(struct seq_file *m, void *data);
640 extern int lprocfs_rd_import(struct seq_file *m, void *data);
641 extern int lprocfs_rd_state(struct seq_file *m, void *data);
642 extern int lprocfs_rd_connect_flags(struct seq_file *m, void *data);
644 struct adaptive_timeout;
645 extern int lprocfs_at_hist_helper(struct seq_file *m,
646 struct adaptive_timeout *at);
647 extern int lprocfs_rd_timeouts(struct seq_file *m, void *data);
648 extern int lprocfs_wr_timeouts(struct file *file, const char __user *buffer,
649 unsigned long count, void *data);
650 extern int lprocfs_wr_evict_client(struct file *file, const char __user *buffer,
651 size_t count, loff_t *off);
652 extern int lprocfs_wr_ping(struct file *file, const char __user *buffer,
653 size_t count, loff_t *off);
654 extern int lprocfs_wr_import(struct file *file, const char __user *buffer,
655 size_t count, loff_t *off);
656 extern int lprocfs_rd_pinger_recov(struct seq_file *m, void *n);
657 extern int lprocfs_wr_pinger_recov(struct file *file, const char __user *buffer,
658 size_t count, loff_t *off);
662 extern int lprocfs_write_helper(const char __user *buffer, unsigned long count,
664 extern int lprocfs_seq_read_frac_helper(struct seq_file *m, long val, int mult);
665 extern int lprocfs_write_u64_helper(const char __user *buffer,
666 unsigned long count, __u64 *val);
667 extern int lprocfs_write_frac_u64_helper(const char *buffer,
669 __u64 *val, int mult);
670 extern char *lprocfs_find_named_value(const char *buffer, const char *name,
672 void lprocfs_oh_tally(struct obd_histogram *oh, unsigned int value);
673 void lprocfs_oh_tally_log2(struct obd_histogram *oh, unsigned int value);
674 void lprocfs_oh_clear(struct obd_histogram *oh);
675 unsigned long lprocfs_oh_sum(struct obd_histogram *oh);
677 void lprocfs_stats_collect(struct lprocfs_stats *stats, int idx,
678 struct lprocfs_counter *cnt);
680 extern int lprocfs_single_release(struct inode *, struct file *);
681 extern int lprocfs_seq_release(struct inode *, struct file *);
683 /* You must use these macros when you want to refer to
684 * the import in a client obd_device for a lprocfs entry */
685 #define LPROCFS_CLIMP_CHECK(obd) do { \
686 typecheck(struct obd_device *, obd); \
687 down_read(&(obd)->u.cli.cl_sem); \
688 if ((obd)->u.cli.cl_import == NULL) { \
689 up_read(&(obd)->u.cli.cl_sem); \
693 #define LPROCFS_CLIMP_EXIT(obd) \
694 up_read(&(obd)->u.cli.cl_sem)
697 /* write the name##_seq_show function, call LPROC_SEQ_FOPS_RO for read-only
698 proc entries; otherwise, you will define name##_seq_write function also for
699 a read-write proc entry, and then call LPROC_SEQ_SEQ instead. Finally,
700 call lprocfs_obd_seq_create(obd, filename, 0444, &name#_fops, data); */
701 #define __LPROC_SEQ_FOPS(name, custom_seq_write) \
702 static int name##_single_open(struct inode *inode, struct file *file) \
704 return single_open(file, name##_seq_show, \
705 inode->i_private ?: PDE_DATA(inode)); \
707 static struct file_operations name##_fops = { \
708 .owner = THIS_MODULE, \
709 .open = name##_single_open, \
711 .write = custom_seq_write, \
712 .llseek = seq_lseek, \
713 .release = lprocfs_single_release, \
716 #define LPROC_SEQ_FOPS_RO(name) __LPROC_SEQ_FOPS(name, NULL)
717 #define LPROC_SEQ_FOPS(name) __LPROC_SEQ_FOPS(name, name##_seq_write)
719 #define LPROC_SEQ_FOPS_RO_TYPE(name, type) \
720 static int name##_##type##_seq_show(struct seq_file *m, void *v)\
722 return lprocfs_rd_##type(m, m->private); \
724 LPROC_SEQ_FOPS_RO(name##_##type)
726 #define LPROC_SEQ_FOPS_RW_TYPE(name, type) \
727 static int name##_##type##_seq_show(struct seq_file *m, void *v)\
729 return lprocfs_rd_##type(m, m->private); \
731 static ssize_t name##_##type##_seq_write(struct file *file, \
732 const char __user *buffer, size_t count, \
735 struct seq_file *seq = file->private_data; \
736 return lprocfs_wr_##type(file, buffer, \
737 count, seq->private); \
739 LPROC_SEQ_FOPS(name##_##type)
741 #define LPROC_SEQ_FOPS_WR_ONLY(name, type) \
742 static ssize_t name##_##type##_write(struct file *file, \
743 const char __user *buffer, size_t count, \
746 return lprocfs_wr_##type(file, buffer, count, off); \
748 static int name##_##type##_open(struct inode *inode, struct file *file) \
750 return single_open(file, NULL, \
751 inode->i_private ?: PDE_DATA(inode));\
753 static struct file_operations name##_##type##_fops = { \
754 .open = name##_##type##_open, \
755 .write = name##_##type##_write, \
756 .release = lprocfs_single_release, \
760 struct attribute attr;
761 ssize_t (*show)(struct kobject *kobj, struct attribute *attr,
763 ssize_t (*store)(struct kobject *kobj, struct attribute *attr,
764 const char *buf, size_t len);
767 #define LUSTRE_ATTR(name, mode, show, store) \
768 static struct lustre_attr lustre_attr_##name = __ATTR(name, mode, show, store)
770 #define LUSTRE_RO_ATTR(name) LUSTRE_ATTR(name, 0444, name##_show, NULL)
771 #define LUSTRE_RW_ATTR(name) LUSTRE_ATTR(name, 0644, name##_show, name##_store)
773 ssize_t lustre_attr_show(struct kobject *kobj, struct attribute *attr,
775 ssize_t lustre_attr_store(struct kobject *kobj, struct attribute *attr,
776 const char *buf, size_t len);
778 extern const struct sysfs_ops lustre_sysfs_ops;
781 struct ptlrpc_request;
782 extern void target_print_req(void *seq_file, struct ptlrpc_request *req);
785 int lprocfs_obd_rd_max_pages_per_rpc(struct seq_file *m, void *data);
786 int lprocfs_obd_wr_max_pages_per_rpc(struct file *file, const char *buffer,
787 size_t count, loff_t *off);
789 /* all quota proc functions */
790 extern int lprocfs_quota_rd_bunit(char *page, char **start,
791 loff_t off, int count,
792 int *eof, void *data);
793 extern int lprocfs_quota_wr_bunit(struct file *file, const char *buffer,
794 unsigned long count, void *data);
795 extern int lprocfs_quota_rd_btune(char *page, char **start,
796 loff_t off, int count,
797 int *eof, void *data);
798 extern int lprocfs_quota_wr_btune(struct file *file, const char *buffer,
799 unsigned long count, void *data);
800 extern int lprocfs_quota_rd_iunit(char *page, char **start,
801 loff_t off, int count,
802 int *eof, void *data);
803 extern int lprocfs_quota_wr_iunit(struct file *file, const char *buffer,
804 unsigned long count, void *data);
805 extern int lprocfs_quota_rd_itune(char *page, char **start,
806 loff_t off, int count,
807 int *eof, void *data);
808 extern int lprocfs_quota_wr_itune(struct file *file, const char *buffer,
809 unsigned long count, void *data);
810 extern int lprocfs_quota_rd_type(char *page, char **start, loff_t off, int count,
811 int *eof, void *data);
812 extern int lprocfs_quota_wr_type(struct file *file, const char *buffer,
813 unsigned long count, void *data);
814 extern int lprocfs_quota_rd_switch_seconds(char *page, char **start, loff_t off,
815 int count, int *eof, void *data);
816 extern int lprocfs_quota_wr_switch_seconds(struct file *file,
818 unsigned long count, void *data);
819 extern int lprocfs_quota_rd_sync_blk(char *page, char **start, loff_t off,
820 int count, int *eof, void *data);
821 extern int lprocfs_quota_wr_sync_blk(struct file *file, const char *buffer,
822 unsigned long count, void *data);
823 extern int lprocfs_quota_rd_switch_qs(char *page, char **start, loff_t off,
824 int count, int *eof, void *data);
825 extern int lprocfs_quota_wr_switch_qs(struct file *file,
827 unsigned long count, void *data);
828 extern int lprocfs_quota_rd_boundary_factor(char *page, char **start, loff_t off,
829 int count, int *eof, void *data);
830 extern int lprocfs_quota_wr_boundary_factor(struct file *file,
832 unsigned long count, void *data);
833 extern int lprocfs_quota_rd_least_bunit(char *page, char **start, loff_t off,
834 int count, int *eof, void *data);
835 extern int lprocfs_quota_wr_least_bunit(struct file *file,
837 unsigned long count, void *data);
838 extern int lprocfs_quota_rd_least_iunit(char *page, char **start, loff_t off,
839 int count, int *eof, void *data);
840 extern int lprocfs_quota_wr_least_iunit(struct file *file,
842 unsigned long count, void *data);
843 extern int lprocfs_quota_rd_qs_factor(char *page, char **start, loff_t off,
844 int count, int *eof, void *data);
845 extern int lprocfs_quota_wr_qs_factor(struct file *file,
847 unsigned long count, void *data);
849 /* CONFIG_PROC_FS is not defined */
851 static inline void lprocfs_counter_add(struct lprocfs_stats *stats,
852 int index, long amount)
854 static inline void lprocfs_counter_incr(struct lprocfs_stats *stats,
857 static inline void lprocfs_counter_sub(struct lprocfs_stats *stats,
858 int index, long amount)
860 static inline void lprocfs_counter_decr(struct lprocfs_stats *stats,
863 static inline void lprocfs_counter_init(struct lprocfs_stats *stats,
864 int index, unsigned conf,
865 const char *name, const char *units)
868 static inline __u64 lc_read_helper(struct lprocfs_counter *lc,
869 enum lprocfs_fields_flags field)
872 /* NB: we return !NULL to satisfy error checker */
873 static inline struct lprocfs_stats *
874 lprocfs_alloc_stats(unsigned int num, enum lprocfs_stats_flags flags)
875 { return (struct lprocfs_stats *)1; }
876 static inline void lprocfs_clear_stats(struct lprocfs_stats *stats)
878 static inline void lprocfs_free_stats(struct lprocfs_stats **stats)
880 static inline int lprocfs_register_stats(struct proc_dir_entry *root,
882 struct lprocfs_stats *stats)
884 static inline void lprocfs_init_ops_stats(int num_private_stats,
885 struct lprocfs_stats *stats)
887 static inline void lprocfs_init_mps_stats(int num_private_stats,
888 struct lprocfs_stats *stats)
890 static inline void lprocfs_init_ldlm_stats(struct lprocfs_stats *ldlm_stats)
892 static inline int lprocfs_alloc_obd_stats(struct obd_device *obddev,
893 unsigned int num_private_stats)
895 static inline int lprocfs_alloc_md_stats(struct obd_device *obddev,
896 unsigned int num_private_stats)
898 static inline void lprocfs_free_obd_stats(struct obd_device *obddev)
900 static inline void lprocfs_free_md_stats(struct obd_device *obddev)
904 static inline int lprocfs_add_clear_entry(struct obd_export *exp)
906 static inline int lprocfs_exp_cleanup(struct obd_export *exp)
908 static inline struct proc_dir_entry *
909 lprocfs_add_simple(struct proc_dir_entry *root, char *name,
910 void *data, struct file_operations *fops)
912 static inline void lprocfs_free_per_client_stats(struct obd_device *obd)
915 int lprocfs_nid_stats_clear_write(struct file *file, const char *buffer,
916 unsigned long count, void *data)
919 int lprocfs_nid_stats_clear_read(struct seq_file *m, void *data)
922 static inline struct proc_dir_entry *
923 lprocfs_register(const char *name, struct proc_dir_entry *parent,
924 struct lprocfs_vars *list, void *data)
926 static inline int lprocfs_add_vars(struct proc_dir_entry *root,
927 struct lprocfs_vars *var,
930 static inline void lprocfs_remove(struct proc_dir_entry **root)
932 static inline void lprocfs_remove_proc_entry(const char *name,
933 struct proc_dir_entry *parent)
935 static inline int lprocfs_obd_setup(struct obd_device *dev,
936 struct lprocfs_vars *list)
938 static inline int lprocfs_obd_cleanup(struct obd_device *dev)
940 static inline int lprocfs_rd_u64(struct seq_file *m, void *data)
942 static inline int lprocfs_rd_uuid(struct seq_file *m, void *data)
944 static inline int lprocfs_rd_name(struct seq_file *m, void *data)
946 static inline int lprocfs_rd_server_uuid(struct seq_file *m, void *data)
948 static inline int lprocfs_rd_conn_uuid(struct seq_file *m, void *data)
950 static inline int lprocfs_rd_import(struct seq_file *m, void *data)
952 static inline int lprocfs_rd_pinger_recov(struct seq_file *m, void *n)
954 static inline int lprocfs_rd_state(struct seq_file *m, void *data)
956 static inline int lprocfs_rd_connect_flags(struct seq_file *m, void *data)
958 static inline int lprocfs_rd_num_exports(struct seq_file *m, void *data)
960 extern inline int lprocfs_rd_numrefs(struct seq_file *m, void *data)
962 struct adaptive_timeout;
963 static inline int lprocfs_at_hist_helper(struct seq_file *m,
964 struct adaptive_timeout *at)
966 static inline int lprocfs_rd_timeouts(struct seq_file *m, void *data)
968 static inline int lprocfs_wr_timeouts(struct file *file,
969 const char __user *buffer,
970 unsigned long count, void *data)
972 static inline int lprocfs_wr_evict_client(struct file *file,
973 const char __user *buffer,
974 size_t count, loff_t *off)
976 static inline int lprocfs_wr_ping(struct file *file,
977 const char __user *buffer,
978 size_t count, loff_t *off)
980 static inline int lprocfs_wr_import(struct file *file,
981 const char __user *buffer,
982 size_t count, loff_t *off)
984 static inline int lprocfs_wr_pinger_recov(struct file *file,
985 const char __user *buffer,
986 size_t count, loff_t *off)
991 int lprocfs_rd_blksize(struct seq_file *m, void *data)
994 int lprocfs_rd_kbytestotal(struct seq_file *m, void *data)
997 int lprocfs_rd_kbytesfree(struct seq_file *m, void *data)
1000 int lprocfs_rd_kbytesavail(struct seq_file *m, void *data)
1003 int lprocfs_rd_filestotal(struct seq_file *m, void *data)
1006 int lprocfs_rd_filesfree(struct seq_file *m, void *data)
1009 void lprocfs_oh_tally(struct obd_histogram *oh, unsigned int value)
1012 void lprocfs_oh_tally_log2(struct obd_histogram *oh, unsigned int value)
1015 void lprocfs_oh_clear(struct obd_histogram *oh)
1018 unsigned long lprocfs_oh_sum(struct obd_histogram *oh)
1021 void lprocfs_stats_collect(struct lprocfs_stats *stats, int idx,
1022 struct lprocfs_counter *cnt)
1025 __u64 lprocfs_stats_collector(struct lprocfs_stats *stats, int idx,
1026 enum lprocfs_fields_flags field)
1027 { return (__u64)0; }
1029 #define LPROC_SEQ_FOPS_RO(name)
1030 #define LPROC_SEQ_FOPS(name)
1031 #define LPROC_SEQ_FOPS_RO_TYPE(name, type)
1032 #define LPROC_SEQ_FOPS_RW_TYPE(name, type)
1033 #define LPROC_SEQ_FOPS_WR_ONLY(name, type)
1035 /* lproc_ptlrpc.c */
1036 #define target_print_req NULL
1038 #endif /* CONFIG_PROC_FS */
1040 #endif /* LPROCFS_SNMP_H */