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/seq_file.h>
47 #include <linux/spinlock.h>
48 #include <linux/types.h>
50 #include "lustre/lustre_idl.h"
54 struct file_operations *fops;
62 struct lprocfs_static_vars {
63 struct lprocfs_vars *module_vars;
64 struct lprocfs_vars *obd_vars;
67 /* if we find more consumers this could be generalized */
68 #define OBD_HIST_MAX 32
69 struct obd_histogram {
71 unsigned long oh_buckets[OBD_HIST_MAX];
93 struct obd_histogram hist[BRW_LAST];
97 RENAME_SAMEDIR_SIZE = 0,
98 RENAME_CROSSDIR_SRC_SIZE,
99 RENAME_CROSSDIR_TGT_SIZE,
103 struct rename_stats {
104 struct obd_histogram hist[RENAME_LAST];
107 /* An lprocfs counter can be configured using the enum bit masks below.
109 * LPROCFS_CNTR_EXTERNALLOCK indicates that an external lock already
110 * protects this counter from concurrent updates. If not specified,
111 * lprocfs an internal per-counter lock variable. External locks are
112 * not used to protect counter increments, but are used to protect
113 * counter readout and resets.
115 * LPROCFS_CNTR_AVGMINMAX indicates a multi-valued counter samples,
116 * (i.e. counter can be incremented by more than "1"). When specified,
117 * the counter maintains min, max and sum in addition to a simple
118 * invocation count. This allows averages to be be computed.
119 * If not specified, the counter is an increment-by-1 counter.
120 * min, max, sum, etc. are not maintained.
122 * LPROCFS_CNTR_STDDEV indicates that the counter should track sum of
123 * squares (for multi-valued counter samples only). This allows
124 * external computation of standard deviation, but involves a 64-bit
125 * multiply per counter increment.
129 LPROCFS_CNTR_EXTERNALLOCK = 0x0001,
130 LPROCFS_CNTR_AVGMINMAX = 0x0002,
131 LPROCFS_CNTR_STDDEV = 0x0004,
133 /* counter data type */
134 LPROCFS_TYPE_REGS = 0x0100,
135 LPROCFS_TYPE_BYTES = 0x0200,
136 LPROCFS_TYPE_PAGES = 0x0400,
137 LPROCFS_TYPE_CYCLE = 0x0800,
140 #define LC_MIN_INIT ((~(__u64)0) >> 1)
142 struct lprocfs_counter_header {
143 unsigned int lc_config;
144 const char *lc_name; /* must be static */
145 const char *lc_units; /* must be static */
148 struct lprocfs_counter {
154 * Every counter has lc_array_sum[0], while lc_array_sum[1] is only
155 * for irq context counter, i.e. stats with
156 * LPROCFS_STATS_FLAG_IRQ_SAFE flag, its counter need
159 __s64 lc_array_sum[1];
161 #define lc_sum lc_array_sum[0]
162 #define lc_sum_irq lc_array_sum[1]
164 struct lprocfs_percpu {
168 struct lprocfs_counter lp_cntr[0];
171 #define LPROCFS_GET_NUM_CPU 0x0001
172 #define LPROCFS_GET_SMP_ID 0x0002
174 enum lprocfs_stats_flags {
175 LPROCFS_STATS_FLAG_NONE = 0x0000, /* per cpu counter */
176 LPROCFS_STATS_FLAG_NOPERCPU = 0x0001, /* stats have no percpu
177 * area and need locking */
178 LPROCFS_STATS_FLAG_IRQ_SAFE = 0x0002, /* alloc need irq safe */
181 enum lprocfs_fields_flags {
182 LPROCFS_FIELDS_FLAGS_CONFIG = 0x0001,
183 LPROCFS_FIELDS_FLAGS_SUM = 0x0002,
184 LPROCFS_FIELDS_FLAGS_MIN = 0x0003,
185 LPROCFS_FIELDS_FLAGS_MAX = 0x0004,
186 LPROCFS_FIELDS_FLAGS_AVG = 0x0005,
187 LPROCFS_FIELDS_FLAGS_SUMSQUARE = 0x0006,
188 LPROCFS_FIELDS_FLAGS_COUNT = 0x0007,
191 struct lprocfs_stats {
193 unsigned short ls_num;
194 /* 1 + the biggest cpu # whose ls_percpu slot has been allocated */
195 unsigned short ls_biggest_alloc_num;
196 enum lprocfs_stats_flags ls_flags;
197 /* Lock used when there are no percpu stats areas; For percpu stats,
198 * it is used to protect ls_biggest_alloc_num change */
201 /* has ls_num of counter headers */
202 struct lprocfs_counter_header *ls_cnt_header;
203 struct lprocfs_percpu *ls_percpu[0];
206 #define OPC_RANGE(seg) (seg ## _LAST_OPC - seg ## _FIRST_OPC)
208 /* Pack all opcodes down into a single monotonically increasing index */
209 static inline int opcode_offset(__u32 opc) {
210 if (opc < OST_LAST_OPC) {
212 return (opc - OST_FIRST_OPC);
213 } else if (opc < MDS_LAST_OPC) {
215 return (opc - MDS_FIRST_OPC +
217 } else if (opc < LDLM_LAST_OPC) {
219 return (opc - LDLM_FIRST_OPC +
222 } else if (opc < MGS_LAST_OPC) {
224 return (opc - MGS_FIRST_OPC +
228 } else if (opc < OBD_LAST_OPC) {
230 return (opc - OBD_FIRST_OPC +
235 } else if (opc < LLOG_LAST_OPC) {
237 return (opc - LLOG_FIRST_OPC +
243 } else if (opc < QUOTA_LAST_OPC) {
245 return (opc - QUOTA_FIRST_OPC +
252 } else if (opc < SEQ_LAST_OPC) {
254 return (opc - SEQ_FIRST_OPC +
262 } else if (opc < SEC_LAST_OPC) {
264 return (opc - SEC_FIRST_OPC +
273 } else if (opc < FLD_LAST_OPC) {
275 return (opc - FLD_FIRST_OPC +
285 } else if (opc < UPDATE_LAST_OPC) {
287 return (opc - UPDATE_FIRST_OPC +
305 #define LUSTRE_MAX_OPCODES (OPC_RANGE(OST) + \
317 #define EXTRA_MAX_OPCODES ((PTLRPC_LAST_CNTR - PTLRPC_FIRST_CNTR) + \
321 PTLRPC_REQWAIT_CNTR = 0,
322 PTLRPC_REQQDEPTH_CNTR,
323 PTLRPC_REQACTIVE_CNTR,
325 PTLRPC_REQBUF_AVAIL_CNTR,
329 #define PTLRPC_FIRST_CNTR PTLRPC_REQWAIT_CNTR
332 LDLM_GLIMPSE_ENQUEUE = 0,
349 #define EXTRA_FIRST_OPC LDLM_GLIMPSE_ENQUEUE
351 extern struct proc_dir_entry *proc_lustre_root;
354 struct obd_histogram;
356 /* Days / hours / mins / seconds format */
360 static inline void s2dhms(struct dhms *ts, time_t secs)
362 ts->d = secs / 86400;
369 #define DHMS_FMT "%dd%dh%02dm%02ds"
370 #define DHMS_VARS(x) (x)->d, (x)->h, (x)->m, (x)->s
372 #define JOBSTATS_JOBID_VAR_MAX_LEN 20
373 #define JOBSTATS_DISABLE "disable"
374 #define JOBSTATS_PROCNAME_UID "procname_uid"
375 #define JOBSTATS_NODELOCAL "nodelocal"
377 extern int lprocfs_write_frac_helper(const char __user *buffer,
378 unsigned long count, int *val, int mult);
379 extern int lprocfs_read_frac_helper(char *buffer, unsigned long count,
381 #if defined (CONFIG_PROC_FS)
383 extern int lprocfs_stats_alloc_one(struct lprocfs_stats *stats,
387 * < 0 : on error (only possible for opc as LPROCFS_GET_SMP_ID)
389 static inline int lprocfs_stats_lock(struct lprocfs_stats *stats, int opc,
390 unsigned long *flags)
398 case LPROCFS_GET_SMP_ID:
399 if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) {
400 if (stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE)
401 spin_lock_irqsave(&stats->ls_lock, *flags);
403 spin_lock(&stats->ls_lock);
406 unsigned int cpuid = get_cpu();
408 if (unlikely(stats->ls_percpu[cpuid] == NULL)) {
409 rc = lprocfs_stats_alloc_one(stats, cpuid);
418 case LPROCFS_GET_NUM_CPU:
419 if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) {
420 if (stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE)
421 spin_lock_irqsave(&stats->ls_lock, *flags);
423 spin_lock(&stats->ls_lock);
426 return stats->ls_biggest_alloc_num;
431 static inline void lprocfs_stats_unlock(struct lprocfs_stats *stats, int opc,
432 unsigned long *flags)
438 case LPROCFS_GET_SMP_ID:
439 if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) {
440 if (stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE) {
441 spin_unlock_irqrestore(&stats->ls_lock,
444 spin_unlock(&stats->ls_lock);
451 case LPROCFS_GET_NUM_CPU:
452 if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) {
453 if (stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE) {
454 spin_unlock_irqrestore(&stats->ls_lock,
457 spin_unlock(&stats->ls_lock);
464 static inline unsigned int
465 lprocfs_stats_counter_size(struct lprocfs_stats *stats)
467 unsigned int percpusize;
469 percpusize = offsetof(struct lprocfs_percpu, lp_cntr[stats->ls_num]);
471 /* irq safe stats need lc_array_sum[1] */
472 if ((stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE) != 0)
473 percpusize += stats->ls_num * sizeof(__s64);
475 if ((stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) == 0)
476 percpusize = L1_CACHE_ALIGN(percpusize);
481 static inline struct lprocfs_counter *
482 lprocfs_stats_counter_get(struct lprocfs_stats *stats, unsigned int cpuid,
485 struct lprocfs_counter *cntr;
487 cntr = &stats->ls_percpu[cpuid]->lp_cntr[index];
489 if ((stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE) != 0)
490 cntr = (void *)cntr + index * sizeof(__s64);
495 /* Two optimized LPROCFS counter increment functions are provided:
496 * lprocfs_counter_incr(cntr, value) - optimized for by-one counters
497 * lprocfs_counter_add(cntr) - use for multi-valued counters
498 * Counter data layout allows config flag, counter lock and the
499 * count itself to reside within a single cache line.
502 extern void lprocfs_counter_add(struct lprocfs_stats *stats, int idx,
504 extern void lprocfs_counter_sub(struct lprocfs_stats *stats, int idx,
507 #define lprocfs_counter_incr(stats, idx) \
508 lprocfs_counter_add(stats, idx, 1)
509 #define lprocfs_counter_decr(stats, idx) \
510 lprocfs_counter_sub(stats, idx, 1)
512 extern __s64 lprocfs_read_helper(struct lprocfs_counter *lc,
513 struct lprocfs_counter_header *header,
514 enum lprocfs_stats_flags flags,
515 enum lprocfs_fields_flags field);
516 static inline __u64 lprocfs_stats_collector(struct lprocfs_stats *stats,
518 enum lprocfs_fields_flags field)
521 unsigned int num_cpu;
522 unsigned long flags = 0;
525 LASSERT(stats != NULL);
527 num_cpu = lprocfs_stats_lock(stats, LPROCFS_GET_NUM_CPU, &flags);
528 for (i = 0; i < num_cpu; i++) {
529 if (stats->ls_percpu[i] == NULL)
531 ret += lprocfs_read_helper(
532 lprocfs_stats_counter_get(stats, i, idx),
533 &stats->ls_cnt_header[idx], stats->ls_flags,
536 lprocfs_stats_unlock(stats, LPROCFS_GET_NUM_CPU, &flags);
540 extern struct lprocfs_stats *
541 lprocfs_alloc_stats(unsigned int num, enum lprocfs_stats_flags flags);
542 extern void lprocfs_clear_stats(struct lprocfs_stats *stats);
543 extern void lprocfs_free_stats(struct lprocfs_stats **stats);
544 extern void lprocfs_init_ops_stats(int num_private_stats,
545 struct lprocfs_stats *stats);
546 extern void lprocfs_init_mps_stats(int num_private_stats,
547 struct lprocfs_stats *stats);
548 extern void lprocfs_init_ldlm_stats(struct lprocfs_stats *ldlm_stats);
549 extern int lprocfs_alloc_obd_stats(struct obd_device *obddev,
550 unsigned int num_private_stats);
551 extern int lprocfs_alloc_md_stats(struct obd_device *obddev,
552 unsigned int num_private_stats);
553 extern void lprocfs_counter_init(struct lprocfs_stats *stats, int index,
554 unsigned conf, const char *name,
556 extern void lprocfs_free_obd_stats(struct obd_device *obddev);
557 extern void lprocfs_free_md_stats(struct obd_device *obddev);
560 extern int lprocfs_add_clear_entry(struct obd_device *obd,
561 struct proc_dir_entry *entry);
562 extern int lprocfs_exp_setup(struct obd_export *exp,
563 lnet_nid_t *peer_nid, int *newnid);
564 extern int lprocfs_exp_cleanup(struct obd_export *exp);
565 extern struct proc_dir_entry *lprocfs_add_simple(struct proc_dir_entry *root,
568 struct file_operations *fops);
569 extern struct proc_dir_entry *
570 lprocfs_add_symlink(const char *name, struct proc_dir_entry *parent,
571 const char *format, ...);
572 extern void lprocfs_free_per_client_stats(struct obd_device *obd);
574 lprocfs_nid_stats_clear_write(struct file *file, const char *buffer,
575 unsigned long count, void *data);
576 extern int lprocfs_nid_stats_clear_read(struct seq_file *m, void *data);
578 extern int lprocfs_register_stats(struct proc_dir_entry *root, const char *name,
579 struct lprocfs_stats *stats);
581 /* lprocfs_status.c */
582 extern int lprocfs_add_vars(struct proc_dir_entry *root,
583 struct lprocfs_vars *var,
586 extern struct proc_dir_entry *lprocfs_register(const char *name,
587 struct proc_dir_entry *parent,
588 struct lprocfs_vars *list,
591 extern void lprocfs_remove(struct proc_dir_entry **root);
592 extern void lprocfs_remove_proc_entry(const char *name,
593 struct proc_dir_entry *parent);
595 extern int lprocfs_obd_setup(struct obd_device *obd, struct lprocfs_vars *list);
596 extern int lprocfs_obd_cleanup(struct obd_device *obd);
598 extern int lprocfs_seq_create(struct proc_dir_entry *parent, const char *name,
600 const struct file_operations *seq_fops,
602 extern int lprocfs_obd_seq_create(struct obd_device *dev, const char *name,
604 const struct file_operations *seq_fops,
607 /* Generic callbacks */
609 extern int lprocfs_rd_u64(struct seq_file *m, void *data);
610 extern int lprocfs_rd_atomic(struct seq_file *m, void *data);
611 extern int lprocfs_wr_atomic(struct file *file, const char __user *buffer,
612 unsigned long count, void *data);
613 extern int lprocfs_rd_uint(struct seq_file *m, void *data);
614 extern int lprocfs_wr_uint(struct file *file, const char __user *buffer,
615 unsigned long count, void *data);
616 extern int lprocfs_rd_uuid(struct seq_file *m, void *data);
617 extern int lprocfs_rd_name(struct seq_file *m, void *data);
618 extern int lprocfs_rd_server_uuid(struct seq_file *m, void *data);
619 extern int lprocfs_rd_conn_uuid(struct seq_file *m, void *data);
620 extern int lprocfs_rd_import(struct seq_file *m, void *data);
621 extern int lprocfs_rd_state(struct seq_file *m, void *data);
622 extern int lprocfs_rd_connect_flags(struct seq_file *m, void *data);
623 extern int lprocfs_rd_num_exports(struct seq_file *m, void *data);
624 extern int lprocfs_rd_numrefs(struct seq_file *m, void *data);
626 struct adaptive_timeout;
627 extern int lprocfs_at_hist_helper(struct seq_file *m,
628 struct adaptive_timeout *at);
629 extern int lprocfs_rd_timeouts(struct seq_file *m, void *data);
630 extern int lprocfs_wr_timeouts(struct file *file, const char __user *buffer,
631 unsigned long count, void *data);
632 extern int lprocfs_wr_evict_client(struct file *file, const char __user *buffer,
633 size_t count, loff_t *off);
634 extern int lprocfs_wr_ping(struct file *file, const char __user *buffer,
635 size_t count, loff_t *off);
636 extern int lprocfs_wr_import(struct file *file, const char __user *buffer,
637 size_t count, loff_t *off);
638 extern int lprocfs_rd_pinger_recov(struct seq_file *m, void *n);
639 extern int lprocfs_wr_pinger_recov(struct file *file, const char __user *buffer,
640 size_t count, loff_t *off);
643 extern int lprocfs_rd_blksize(struct seq_file *m, void *data);
644 extern int lprocfs_rd_kbytestotal(struct seq_file *m, void *data);
645 extern int lprocfs_rd_kbytesfree(struct seq_file *m, void *data);
646 extern int lprocfs_rd_kbytesavail(struct seq_file *m, void *data);
647 extern int lprocfs_rd_filestotal(struct seq_file *m, void *data);
648 extern int lprocfs_rd_filesfree(struct seq_file *m, void *data);
650 extern int lprocfs_write_helper(const char __user *buffer, unsigned long count,
652 extern int lprocfs_seq_read_frac_helper(struct seq_file *m, long val, int mult);
653 extern int lprocfs_write_u64_helper(const char __user *buffer,
654 unsigned long count, __u64 *val);
655 extern int lprocfs_write_frac_u64_helper(const char *buffer,
657 __u64 *val, int mult);
658 extern char *lprocfs_find_named_value(const char *buffer, const char *name,
660 void lprocfs_oh_tally(struct obd_histogram *oh, unsigned int value);
661 void lprocfs_oh_tally_log2(struct obd_histogram *oh, unsigned int value);
662 void lprocfs_oh_clear(struct obd_histogram *oh);
663 unsigned long lprocfs_oh_sum(struct obd_histogram *oh);
665 void lprocfs_stats_collect(struct lprocfs_stats *stats, int idx,
666 struct lprocfs_counter *cnt);
668 extern int lprocfs_single_release(struct inode *, struct file *);
669 extern int lprocfs_seq_release(struct inode *, struct file *);
671 /* You must use these macros when you want to refer to
672 * the import in a client obd_device for a lprocfs entry */
673 #define LPROCFS_CLIMP_CHECK(obd) do { \
674 typecheck(struct obd_device *, obd); \
675 down_read(&(obd)->u.cli.cl_sem); \
676 if ((obd)->u.cli.cl_import == NULL) { \
677 up_read(&(obd)->u.cli.cl_sem); \
681 #define LPROCFS_CLIMP_EXIT(obd) \
682 up_read(&(obd)->u.cli.cl_sem);
685 /* write the name##_seq_show function, call LPROC_SEQ_FOPS_RO for read-only
686 proc entries; otherwise, you will define name##_seq_write function also for
687 a read-write proc entry, and then call LPROC_SEQ_SEQ instead. Finally,
688 call lprocfs_obd_seq_create(obd, filename, 0444, &name#_fops, data); */
689 #define __LPROC_SEQ_FOPS(name, custom_seq_write) \
690 static int name##_single_open(struct inode *inode, struct file *file) \
692 return single_open(file, name##_seq_show, PDE_DATA(inode)); \
694 static struct file_operations name##_fops = { \
695 .owner = THIS_MODULE, \
696 .open = name##_single_open, \
698 .write = custom_seq_write, \
699 .llseek = seq_lseek, \
700 .release = lprocfs_single_release, \
703 #define LPROC_SEQ_FOPS_RO(name) __LPROC_SEQ_FOPS(name, NULL)
704 #define LPROC_SEQ_FOPS(name) __LPROC_SEQ_FOPS(name, name##_seq_write)
706 #define LPROC_SEQ_FOPS_RO_TYPE(name, type) \
707 static int name##_##type##_seq_show(struct seq_file *m, void *v)\
709 return lprocfs_rd_##type(m, m->private); \
711 LPROC_SEQ_FOPS_RO(name##_##type)
713 #define LPROC_SEQ_FOPS_RW_TYPE(name, type) \
714 static int name##_##type##_seq_show(struct seq_file *m, void *v)\
716 return lprocfs_rd_##type(m, m->private); \
718 static ssize_t name##_##type##_seq_write(struct file *file, \
719 const char __user *buffer, size_t count, \
722 struct seq_file *seq = file->private_data; \
723 return lprocfs_wr_##type(file, buffer, \
724 count, seq->private); \
726 LPROC_SEQ_FOPS(name##_##type);
728 #define LPROC_SEQ_FOPS_WR_ONLY(name, type) \
729 static ssize_t name##_##type##_write(struct file *file, \
730 const char __user *buffer, size_t count, \
733 return lprocfs_wr_##type(file, buffer, count, off); \
735 static int name##_##type##_open(struct inode *inode, struct file *file) \
737 return single_open(file, NULL, PDE_DATA(inode)); \
739 static struct file_operations name##_##type##_fops = { \
740 .open = name##_##type##_open, \
741 .write = name##_##type##_write, \
742 .release = lprocfs_single_release, \
746 struct ptlrpc_request;
747 extern void target_print_req(void *seq_file, struct ptlrpc_request *req);
750 int lprocfs_obd_rd_max_pages_per_rpc(struct seq_file *m, void *data);
751 int lprocfs_obd_wr_max_pages_per_rpc(struct file *file, const char *buffer,
752 size_t count, loff_t *off);
754 /* all quota proc functions */
755 extern int lprocfs_quota_rd_bunit(char *page, char **start,
756 loff_t off, int count,
757 int *eof, void *data);
758 extern int lprocfs_quota_wr_bunit(struct file *file, const char *buffer,
759 unsigned long count, void *data);
760 extern int lprocfs_quota_rd_btune(char *page, char **start,
761 loff_t off, int count,
762 int *eof, void *data);
763 extern int lprocfs_quota_wr_btune(struct file *file, const char *buffer,
764 unsigned long count, void *data);
765 extern int lprocfs_quota_rd_iunit(char *page, char **start,
766 loff_t off, int count,
767 int *eof, void *data);
768 extern int lprocfs_quota_wr_iunit(struct file *file, const char *buffer,
769 unsigned long count, void *data);
770 extern int lprocfs_quota_rd_itune(char *page, char **start,
771 loff_t off, int count,
772 int *eof, void *data);
773 extern int lprocfs_quota_wr_itune(struct file *file, const char *buffer,
774 unsigned long count, void *data);
775 extern int lprocfs_quota_rd_type(char *page, char **start, loff_t off, int count,
776 int *eof, void *data);
777 extern int lprocfs_quota_wr_type(struct file *file, const char *buffer,
778 unsigned long count, void *data);
779 extern int lprocfs_quota_rd_switch_seconds(char *page, char **start, loff_t off,
780 int count, int *eof, void *data);
781 extern int lprocfs_quota_wr_switch_seconds(struct file *file,
783 unsigned long count, void *data);
784 extern int lprocfs_quota_rd_sync_blk(char *page, char **start, loff_t off,
785 int count, int *eof, void *data);
786 extern int lprocfs_quota_wr_sync_blk(struct file *file, const char *buffer,
787 unsigned long count, void *data);
788 extern int lprocfs_quota_rd_switch_qs(char *page, char **start, loff_t off,
789 int count, int *eof, void *data);
790 extern int lprocfs_quota_wr_switch_qs(struct file *file,
792 unsigned long count, void *data);
793 extern int lprocfs_quota_rd_boundary_factor(char *page, char **start, loff_t off,
794 int count, int *eof, void *data);
795 extern int lprocfs_quota_wr_boundary_factor(struct file *file,
797 unsigned long count, void *data);
798 extern int lprocfs_quota_rd_least_bunit(char *page, char **start, loff_t off,
799 int count, int *eof, void *data);
800 extern int lprocfs_quota_wr_least_bunit(struct file *file,
802 unsigned long count, void *data);
803 extern int lprocfs_quota_rd_least_iunit(char *page, char **start, loff_t off,
804 int count, int *eof, void *data);
805 extern int lprocfs_quota_wr_least_iunit(struct file *file,
807 unsigned long count, void *data);
808 extern int lprocfs_quota_rd_qs_factor(char *page, char **start, loff_t off,
809 int count, int *eof, void *data);
810 extern int lprocfs_quota_wr_qs_factor(struct file *file,
812 unsigned long count, void *data);
814 /* CONFIG_PROC_FS is not defined */
816 #define proc_lustre_root NULL
818 static inline void lprocfs_counter_add(struct lprocfs_stats *stats,
819 int index, long amount)
821 static inline void lprocfs_counter_incr(struct lprocfs_stats *stats,
824 static inline void lprocfs_counter_sub(struct lprocfs_stats *stats,
825 int index, long amount)
827 static inline void lprocfs_counter_decr(struct lprocfs_stats *stats,
830 static inline void lprocfs_counter_init(struct lprocfs_stats *stats,
831 int index, unsigned conf,
832 const char *name, const char *units)
835 static inline __u64 lc_read_helper(struct lprocfs_counter *lc,
836 enum lprocfs_fields_flags field)
839 /* NB: we return !NULL to satisfy error checker */
840 static inline struct lprocfs_stats *
841 lprocfs_alloc_stats(unsigned int num, enum lprocfs_stats_flags flags)
842 { return (struct lprocfs_stats *)1; }
843 static inline void lprocfs_clear_stats(struct lprocfs_stats *stats)
845 static inline void lprocfs_free_stats(struct lprocfs_stats **stats)
847 static inline int lprocfs_register_stats(struct proc_dir_entry *root,
849 struct lprocfs_stats *stats)
851 static inline void lprocfs_init_ops_stats(int num_private_stats,
852 struct lprocfs_stats *stats)
854 static inline void lprocfs_init_mps_stats(int num_private_stats,
855 struct lprocfs_stats *stats)
857 static inline void lprocfs_init_ldlm_stats(struct lprocfs_stats *ldlm_stats)
859 static inline int lprocfs_alloc_obd_stats(struct obd_device *obddev,
860 unsigned int num_private_stats)
862 static inline int lprocfs_alloc_md_stats(struct obd_device *obddev,
863 unsigned int num_private_stats)
865 static inline void lprocfs_free_obd_stats(struct obd_device *obddev)
867 static inline void lprocfs_free_md_stats(struct obd_device *obddev)
871 static inline int lprocfs_add_clear_entry(struct obd_export *exp)
873 static inline int lprocfs_exp_setup(struct obd_export *exp,
874 lnet_nid_t *peer_nid,
877 static inline int lprocfs_exp_cleanup(struct obd_export *exp)
879 static inline struct proc_dir_entry *
880 lprocfs_add_simple(struct proc_dir_entry *root, char *name,
881 void *data, struct file_operations *fops)
883 static inline struct proc_dir_entry *
884 lprocfs_add_symlink(const char *name, struct proc_dir_entry *parent,
885 const char *format, ...)
887 static inline void lprocfs_free_per_client_stats(struct obd_device *obd)
890 int lprocfs_nid_stats_clear_write(struct file *file, const char *buffer,
891 unsigned long count, void *data)
894 int lprocfs_nid_stats_clear_read(struct seq_file *m, void *data)
897 static inline struct proc_dir_entry *
898 lprocfs_register(const char *name, struct proc_dir_entry *parent,
899 struct lprocfs_vars *list, void *data)
901 static inline int lprocfs_add_vars(struct proc_dir_entry *root,
902 struct lprocfs_vars *var,
905 static inline void lprocfs_remove(struct proc_dir_entry **root)
907 static inline void lprocfs_remove_proc_entry(const char *name,
908 struct proc_dir_entry *parent)
910 static inline int lprocfs_obd_setup(struct obd_device *dev,
911 struct lprocfs_vars *list)
913 static inline int lprocfs_obd_cleanup(struct obd_device *dev)
915 static inline int lprocfs_rd_u64(struct seq_file *m, void *data)
917 static inline int lprocfs_rd_uuid(struct seq_file *m, void *data)
919 static inline int lprocfs_rd_name(struct seq_file *m, void *data)
921 static inline int lprocfs_rd_server_uuid(struct seq_file *m, void *data)
923 static inline int lprocfs_rd_conn_uuid(struct seq_file *m, void *data)
925 static inline int lprocfs_rd_import(struct seq_file *m, void *data)
927 static inline int lprocfs_rd_pinger_recov(struct seq_file *m, void *n)
929 static inline int lprocfs_rd_state(struct seq_file *m, void *data)
931 static inline int lprocfs_rd_connect_flags(struct seq_file *m, void *data)
933 static inline int lprocfs_rd_num_exports(struct seq_file *m, void *data)
935 extern inline int lprocfs_rd_numrefs(struct seq_file *m, void *data)
937 struct adaptive_timeout;
938 static inline int lprocfs_at_hist_helper(struct seq_file *m,
939 struct adaptive_timeout *at)
941 static inline int lprocfs_rd_timeouts(struct seq_file *m, void *data)
943 static inline int lprocfs_wr_timeouts(struct file *file,
944 const char __user *buffer,
945 unsigned long count, void *data)
947 static inline int lprocfs_wr_evict_client(struct file *file,
948 const char __user *buffer,
949 size_t count, loff_t *off)
951 static inline int lprocfs_wr_ping(struct file *file,
952 const char __user *buffer,
953 size_t count, loff_t *off)
955 static inline int lprocfs_wr_import(struct file *file,
956 const char __user *buffer,
957 size_t count, loff_t *off)
959 static inline int lprocfs_wr_pinger_recov(struct file *file,
960 const char __user *buffer,
961 size_t count, loff_t *off)
966 int lprocfs_rd_blksize(struct seq_file *m, void *data)
969 int lprocfs_rd_kbytestotal(struct seq_file *m, void *data)
972 int lprocfs_rd_kbytesfree(struct seq_file *m, void *data)
975 int lprocfs_rd_kbytesavail(struct seq_file *m, void *data)
978 int lprocfs_rd_filestotal(struct seq_file *m, void *data)
981 int lprocfs_rd_filesfree(struct seq_file *m, void *data)
984 void lprocfs_oh_tally(struct obd_histogram *oh, unsigned int value)
987 void lprocfs_oh_tally_log2(struct obd_histogram *oh, unsigned int value)
990 void lprocfs_oh_clear(struct obd_histogram *oh)
993 unsigned long lprocfs_oh_sum(struct obd_histogram *oh)
996 void lprocfs_stats_collect(struct lprocfs_stats *stats, int idx,
997 struct lprocfs_counter *cnt)
1000 __u64 lprocfs_stats_collector(struct lprocfs_stats *stats, int idx,
1001 enum lprocfs_fields_flags field)
1002 { return (__u64)0; }
1004 #define LPROC_SEQ_FOPS_RO(name)
1005 #define LPROC_SEQ_FOPS(name)
1006 #define LPROC_SEQ_FOPS_RO_TYPE(name, type)
1007 #define LPROC_SEQ_FOPS_RW_TYPE(name, type)
1008 #define LPROC_SEQ_FOPS_WR_ONLY(name, type)
1010 /* lproc_ptlrpc.c */
1011 #define target_print_req NULL
1013 #endif /* CONFIG_PROC_FS */
1015 #endif /* LPROCFS_SNMP_H */