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, 2013, 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 <lustre/lustre_idl.h>
46 #include <libcfs/params_tree.h>
48 #ifndef HAVE_ONLY_PROCFS_SEQ
51 read_proc_t *read_fptr;
52 write_proc_t *write_fptr;
54 const struct file_operations *fops;
61 struct lprocfs_static_vars {
62 struct lprocfs_vars *module_vars;
63 struct lprocfs_vars *obd_vars;
68 struct lprocfs_seq_vars {
70 const struct file_operations *fops;
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 RENAME_SAMEDIR_SIZE = 0,
109 RENAME_CROSSDIR_SRC_SIZE,
110 RENAME_CROSSDIR_TGT_SIZE,
114 struct rename_stats {
115 struct obd_histogram hist[RENAME_LAST];
118 /* An lprocfs counter can be configured using the enum bit masks below.
120 * LPROCFS_CNTR_EXTERNALLOCK indicates that an external lock already
121 * protects this counter from concurrent updates. If not specified,
122 * lprocfs an internal per-counter lock variable. External locks are
123 * not used to protect counter increments, but are used to protect
124 * counter readout and resets.
126 * LPROCFS_CNTR_AVGMINMAX indicates a multi-valued counter samples,
127 * (i.e. counter can be incremented by more than "1"). When specified,
128 * the counter maintains min, max and sum in addition to a simple
129 * invocation count. This allows averages to be be computed.
130 * If not specified, the counter is an increment-by-1 counter.
131 * min, max, sum, etc. are not maintained.
133 * LPROCFS_CNTR_STDDEV indicates that the counter should track sum of
134 * squares (for multi-valued counter samples only). This allows
135 * external computation of standard deviation, but involves a 64-bit
136 * multiply per counter increment.
140 LPROCFS_CNTR_EXTERNALLOCK = 0x0001,
141 LPROCFS_CNTR_AVGMINMAX = 0x0002,
142 LPROCFS_CNTR_STDDEV = 0x0004,
144 /* counter data type */
145 LPROCFS_TYPE_REGS = 0x0100,
146 LPROCFS_TYPE_BYTES = 0x0200,
147 LPROCFS_TYPE_PAGES = 0x0400,
148 LPROCFS_TYPE_CYCLE = 0x0800,
151 #define LC_MIN_INIT ((~(__u64)0) >> 1)
153 struct lprocfs_counter_header {
154 unsigned int lc_config;
155 const char *lc_name; /* must be static */
156 const char *lc_units; /* must be static */
159 struct lprocfs_counter {
165 * Every counter has lc_array_sum[0], while lc_array_sum[1] is only
166 * for irq context counter, i.e. stats with
167 * LPROCFS_STATS_FLAG_IRQ_SAFE flag, its counter need
170 __s64 lc_array_sum[1];
172 #define lc_sum lc_array_sum[0]
173 #define lc_sum_irq lc_array_sum[1]
175 struct lprocfs_percpu {
176 struct lprocfs_counter lp_cntr[0];
179 #define LPROCFS_GET_NUM_CPU 0x0001
180 #define LPROCFS_GET_SMP_ID 0x0002
182 enum lprocfs_stats_flags {
183 LPROCFS_STATS_FLAG_NONE = 0x0000, /* per cpu counter */
184 LPROCFS_STATS_FLAG_NOPERCPU = 0x0001, /* stats have no percpu
185 * area and need locking */
186 LPROCFS_STATS_FLAG_IRQ_SAFE = 0x0002, /* alloc need irq safe */
189 enum lprocfs_fields_flags {
190 LPROCFS_FIELDS_FLAGS_CONFIG = 0x0001,
191 LPROCFS_FIELDS_FLAGS_SUM = 0x0002,
192 LPROCFS_FIELDS_FLAGS_MIN = 0x0003,
193 LPROCFS_FIELDS_FLAGS_MAX = 0x0004,
194 LPROCFS_FIELDS_FLAGS_AVG = 0x0005,
195 LPROCFS_FIELDS_FLAGS_SUMSQUARE = 0x0006,
196 LPROCFS_FIELDS_FLAGS_COUNT = 0x0007,
199 struct lprocfs_stats {
201 unsigned short ls_num;
202 /* 1 + the biggest cpu # whose ls_percpu slot has been allocated */
203 unsigned short ls_biggest_alloc_num;
204 enum lprocfs_stats_flags ls_flags;
205 /* Lock used when there are no percpu stats areas; For percpu stats,
206 * it is used to protect ls_biggest_alloc_num change */
209 /* has ls_num of counter headers */
210 struct lprocfs_counter_header *ls_cnt_header;
211 struct lprocfs_percpu *ls_percpu[0];
214 #define OPC_RANGE(seg) (seg ## _LAST_OPC - seg ## _FIRST_OPC)
216 /* Pack all opcodes down into a single monotonically increasing index */
217 static inline int opcode_offset(__u32 opc) {
218 if (opc < OST_LAST_OPC) {
220 return (opc - OST_FIRST_OPC);
221 } else if (opc < MDS_LAST_OPC) {
223 return (opc - MDS_FIRST_OPC +
225 } else if (opc < LDLM_LAST_OPC) {
227 return (opc - LDLM_FIRST_OPC +
230 } else if (opc < MGS_LAST_OPC) {
232 return (opc - MGS_FIRST_OPC +
236 } else if (opc < OBD_LAST_OPC) {
238 return (opc - OBD_FIRST_OPC +
243 } else if (opc < LLOG_LAST_OPC) {
245 return (opc - LLOG_FIRST_OPC +
251 } else if (opc < QUOTA_LAST_OPC) {
253 return (opc - QUOTA_FIRST_OPC +
260 } else if (opc < SEQ_LAST_OPC) {
262 return (opc - SEQ_FIRST_OPC +
270 } else if (opc < SEC_LAST_OPC) {
272 return (opc - SEC_FIRST_OPC +
281 } else if (opc < FLD_LAST_OPC) {
283 return (opc - FLD_FIRST_OPC +
293 } else if (opc < OUT_UPDATE_LAST_OPC) {
295 return (opc - OUT_UPDATE_FIRST_OPC +
306 } else if (opc < LFSCK_LAST_OPC) {
308 return (opc - LFSCK_FIRST_OPC +
309 OPC_RANGE(OUT_UPDATE) +
327 #define LUSTRE_MAX_OPCODES (OPC_RANGE(OST) + \
337 OPC_RANGE(OUT_UPDATE) + \
340 #define EXTRA_MAX_OPCODES ((PTLRPC_LAST_CNTR - PTLRPC_FIRST_CNTR) + \
344 PTLRPC_REQWAIT_CNTR = 0,
345 PTLRPC_REQQDEPTH_CNTR,
346 PTLRPC_REQACTIVE_CNTR,
348 PTLRPC_REQBUF_AVAIL_CNTR,
352 #define PTLRPC_FIRST_CNTR PTLRPC_REQWAIT_CNTR
354 enum lprocfs_extra_opc {
355 LDLM_GLIMPSE_ENQUEUE = 0,
372 #define EXTRA_FIRST_OPC LDLM_GLIMPSE_ENQUEUE
374 extern struct proc_dir_entry *proc_lustre_root;
377 struct obd_histogram;
379 /* Days / hours / mins / seconds format */
383 static inline void s2dhms(struct dhms *ts, time_t secs)
385 ts->d = secs / 86400;
392 #define DHMS_FMT "%dd%dh%02dm%02ds"
393 #define DHMS_VARS(x) (x)->d, (x)->h, (x)->m, (x)->s
395 #define JOBSTATS_JOBID_VAR_MAX_LEN 20
396 #define JOBSTATS_DISABLE "disable"
397 #define JOBSTATS_PROCNAME_UID "procname_uid"
399 typedef void (*cntr_init_callback)(struct lprocfs_stats *stats);
401 struct obd_job_stats {
402 cfs_hash_t *ojs_hash;
403 struct list_head ojs_list;
404 rwlock_t ojs_lock; /* protect the obj_list */
405 cntr_init_callback ojs_cntr_init_fn;
407 int ojs_cleanup_interval;
408 time_t ojs_last_cleanup;
413 extern int lprocfs_stats_alloc_one(struct lprocfs_stats *stats,
417 * < 0 : on error (only possible for opc as LPROCFS_GET_SMP_ID)
419 static inline int lprocfs_stats_lock(struct lprocfs_stats *stats, int opc,
420 unsigned long *flags)
428 case LPROCFS_GET_SMP_ID:
429 if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) {
430 if (stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE)
431 spin_lock_irqsave(&stats->ls_lock, *flags);
433 spin_lock(&stats->ls_lock);
436 unsigned int cpuid = get_cpu();
438 if (unlikely(stats->ls_percpu[cpuid] == NULL)) {
439 rc = lprocfs_stats_alloc_one(stats, cpuid);
448 case LPROCFS_GET_NUM_CPU:
449 if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) {
450 if (stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE)
451 spin_lock_irqsave(&stats->ls_lock, *flags);
453 spin_lock(&stats->ls_lock);
456 return stats->ls_biggest_alloc_num;
461 static inline void lprocfs_stats_unlock(struct lprocfs_stats *stats, int opc,
462 unsigned long *flags)
468 case LPROCFS_GET_SMP_ID:
469 if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) {
470 if (stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE) {
471 spin_unlock_irqrestore(&stats->ls_lock,
474 spin_unlock(&stats->ls_lock);
481 case LPROCFS_GET_NUM_CPU:
482 if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) {
483 if (stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE) {
484 spin_unlock_irqrestore(&stats->ls_lock,
487 spin_unlock(&stats->ls_lock);
494 static inline unsigned int
495 lprocfs_stats_counter_size(struct lprocfs_stats *stats)
497 unsigned int percpusize;
499 percpusize = offsetof(struct lprocfs_percpu, lp_cntr[stats->ls_num]);
501 /* irq safe stats need lc_array_sum[1] */
502 if ((stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE) != 0)
503 percpusize += stats->ls_num * sizeof(__s64);
505 if ((stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) == 0)
506 percpusize = L1_CACHE_ALIGN(percpusize);
511 static inline struct lprocfs_counter *
512 lprocfs_stats_counter_get(struct lprocfs_stats *stats, unsigned int cpuid,
515 struct lprocfs_counter *cntr;
517 cntr = &stats->ls_percpu[cpuid]->lp_cntr[index];
519 if ((stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE) != 0)
520 cntr = (void *)cntr + index * sizeof(__s64);
525 /* Two optimized LPROCFS counter increment functions are provided:
526 * lprocfs_counter_incr(cntr, value) - optimized for by-one counters
527 * lprocfs_counter_add(cntr) - use for multi-valued counters
528 * Counter data layout allows config flag, counter lock and the
529 * count itself to reside within a single cache line.
532 extern void lprocfs_counter_add(struct lprocfs_stats *stats, int idx,
534 extern void lprocfs_counter_sub(struct lprocfs_stats *stats, int idx,
537 #define lprocfs_counter_incr(stats, idx) \
538 lprocfs_counter_add(stats, idx, 1)
539 #define lprocfs_counter_decr(stats, idx) \
540 lprocfs_counter_sub(stats, idx, 1)
542 extern __s64 lprocfs_read_helper(struct lprocfs_counter *lc,
543 struct lprocfs_counter_header *header,
544 enum lprocfs_stats_flags flags,
545 enum lprocfs_fields_flags field);
546 static inline __u64 lprocfs_stats_collector(struct lprocfs_stats *stats,
548 enum lprocfs_fields_flags field)
551 unsigned int num_cpu;
552 unsigned long flags = 0;
555 LASSERT(stats != NULL);
557 num_cpu = lprocfs_stats_lock(stats, LPROCFS_GET_NUM_CPU, &flags);
558 for (i = 0; i < num_cpu; i++) {
559 if (stats->ls_percpu[i] == NULL)
561 ret += lprocfs_read_helper(
562 lprocfs_stats_counter_get(stats, i, idx),
563 &stats->ls_cnt_header[idx], stats->ls_flags,
566 lprocfs_stats_unlock(stats, LPROCFS_GET_NUM_CPU, &flags);
570 extern struct lprocfs_stats *
571 lprocfs_alloc_stats(unsigned int num, enum lprocfs_stats_flags flags);
572 extern void lprocfs_clear_stats(struct lprocfs_stats *stats);
573 extern void lprocfs_free_stats(struct lprocfs_stats **stats);
574 extern void lprocfs_init_ops_stats(int num_private_stats,
575 struct lprocfs_stats *stats);
576 extern void lprocfs_init_mps_stats(int num_private_stats,
577 struct lprocfs_stats *stats);
578 extern void lprocfs_init_ldlm_stats(struct lprocfs_stats *ldlm_stats);
579 extern int lprocfs_alloc_obd_stats(struct obd_device *obddev,
580 unsigned int num_private_stats);
581 extern int lprocfs_alloc_md_stats(struct obd_device *obddev,
582 unsigned int num_private_stats);
583 extern void lprocfs_counter_init(struct lprocfs_stats *stats, int index,
584 unsigned conf, const char *name,
586 extern void lprocfs_free_obd_stats(struct obd_device *obddev);
587 extern void lprocfs_free_md_stats(struct obd_device *obddev);
590 extern int lprocfs_add_clear_entry(struct obd_device * obd,
591 struct proc_dir_entry *entry);
592 #ifdef HAVE_SERVER_SUPPORT
593 extern int lprocfs_exp_setup(struct obd_export *exp,
594 lnet_nid_t *peer_nid, int *newnid);
595 extern int lprocfs_exp_cleanup(struct obd_export *exp);
597 static inline int lprocfs_exp_cleanup(struct obd_export *exp)
600 extern struct proc_dir_entry *
601 lprocfs_add_simple(struct proc_dir_entry *root, char *name,
602 void *data, const struct file_operations *fops);
603 extern struct proc_dir_entry *
604 lprocfs_add_symlink(const char *name, struct proc_dir_entry *parent,
605 const char *format, ...);
606 extern void lprocfs_free_per_client_stats(struct obd_device *obd);
607 #ifdef HAVE_SERVER_SUPPORT
609 lprocfs_nid_stats_clear_seq_write(struct file *file, const char *buffer,
610 size_t count, loff_t *off);
611 extern int lprocfs_nid_stats_clear_seq_show(struct seq_file *file, void *data);
613 extern int lprocfs_register_stats(struct proc_dir_entry *root, const char *name,
614 struct lprocfs_stats *stats);
616 /* lprocfs_status.c */
617 #ifndef HAVE_ONLY_PROCFS_SEQ
618 extern int lprocfs_add_vars(struct proc_dir_entry *root,
619 struct lprocfs_vars *var,
622 extern struct proc_dir_entry *lprocfs_register(const char *name,
623 struct proc_dir_entry *parent,
624 struct lprocfs_vars *list,
627 extern int lprocfs_seq_add_vars(struct proc_dir_entry *root,
628 struct lprocfs_seq_vars *var,
631 extern struct proc_dir_entry *
632 lprocfs_seq_register(const char *name, struct proc_dir_entry *parent,
633 struct lprocfs_seq_vars *list, void *data);
634 extern void lprocfs_remove(struct proc_dir_entry **root);
635 extern void lprocfs_remove_proc_entry(const char *name,
636 struct proc_dir_entry *parent);
637 #ifndef HAVE_ONLY_PROCFS_SEQ
638 extern void lprocfs_try_remove_proc_entry(const char *name,
639 struct proc_dir_entry *parent);
641 extern struct proc_dir_entry *lprocfs_srch(struct proc_dir_entry *root,
644 extern int lprocfs_obd_setup(struct obd_device *dev);
645 extern int lprocfs_obd_cleanup(struct obd_device *obd);
646 #ifdef HAVE_SERVER_SUPPORT
647 extern const struct file_operations lprocfs_evict_client_fops;
649 extern int lprocfs_seq_create(struct proc_dir_entry *parent, const char *name,
651 const struct file_operations *seq_fops,
653 extern int lprocfs_obd_seq_create(struct obd_device *dev, const char *name,
655 const struct file_operations *seq_fops,
658 /* Generic callbacks */
659 extern int lprocfs_u64_seq_show(struct seq_file *m, void *data);
660 extern int lprocfs_atomic_seq_show(struct seq_file *m, void *data);
661 extern ssize_t lprocfs_atomic_seq_write(struct file *file,
662 const char __user *buffer,
663 size_t count, loff_t *off);
664 extern int lprocfs_uint_seq_show(struct seq_file *m, void *data);
665 extern ssize_t lprocfs_uint_seq_write(struct file *file,
666 const char __user *buffer,
667 size_t count, loff_t *off);
668 extern int lprocfs_wr_uint(struct file *file, const char __user *buffer,
669 unsigned long count, void *data);
670 extern int lprocfs_uuid_seq_show(struct seq_file *m, void *data);
671 extern int lprocfs_name_seq_show(struct seq_file *m, void *data);
672 extern int lprocfs_server_uuid_seq_show(struct seq_file *m, void *data);
673 extern int lprocfs_conn_uuid_seq_show(struct seq_file *m, void *data);
674 extern int lprocfs_import_seq_show(struct seq_file *m, void *data);
675 extern int lprocfs_state_seq_show(struct seq_file *m, void *data);
676 extern int lprocfs_connect_flags_seq_show(struct seq_file *m, void *data);
677 #ifdef HAVE_SERVER_SUPPORT
678 extern int lprocfs_num_exports_seq_show(struct seq_file *m, void *data);
680 struct adaptive_timeout;
681 extern int lprocfs_seq_at_hist_helper(struct seq_file *m,
682 struct adaptive_timeout *at);
683 extern int lprocfs_timeouts_seq_show(struct seq_file *m, void *data);
685 lprocfs_timeouts_seq_write(struct file *file, const char *buffer,
686 size_t count, loff_t *off);
687 #ifdef HAVE_SERVER_SUPPORT
688 #ifndef HAVE_ONLY_PROCFS_SEQ
689 extern ssize_t lprocfs_fops_read(struct file *f, char __user *buf,
690 size_t size, loff_t *ppos);
691 extern ssize_t lprocfs_fops_write(struct file *f, const char __user *buf,
692 size_t size, loff_t *ppos);
695 lprocfs_evict_client_seq_write(struct file *file, const char *buffer,
696 size_t count, loff_t *off);
699 lprocfs_ping_seq_write(struct file *file, const char *buffer,
700 size_t count, loff_t *off);
702 lprocfs_import_seq_write(struct file *file, const char __user *buffer,
703 size_t count, loff_t *off);
704 extern int lprocfs_pinger_recov_seq_show(struct seq_file *m, void *data);
706 lprocfs_pinger_recov_seq_write(struct file *file, const char *buffer,
707 size_t count, loff_t *off);
710 extern int lprocfs_blksize_seq_show(struct seq_file *m, void *data);
711 extern int lprocfs_kbytestotal_seq_show(struct seq_file *m, void *data);
712 extern int lprocfs_kbytesfree_seq_show(struct seq_file *m, void *data);
713 extern int lprocfs_kbytesavail_seq_show(struct seq_file *m, void *data);
714 extern int lprocfs_filestotal_seq_show(struct seq_file *m, void *data);
715 extern int lprocfs_filesfree_seq_show(struct seq_file *m, void *data);
717 extern int lprocfs_write_helper(const char __user *buffer, unsigned long count,
719 extern int lprocfs_write_frac_helper(const char __user *buffer,
722 extern int lprocfs_seq_read_frac_helper(struct seq_file *m, long val, int mult);
723 extern int lprocfs_read_frac_helper(char *buffer, unsigned long count,
725 extern int lprocfs_write_u64_helper(const char __user *buffer,
726 unsigned long count, __u64 *val);
727 extern int lprocfs_write_frac_u64_helper(const char __user *buffer,
729 __u64 *val, int mult);
730 char *lprocfs_find_named_value(const char *buffer, const char *name,
732 void lprocfs_oh_tally(struct obd_histogram *oh, unsigned int value);
733 void lprocfs_oh_tally_log2(struct obd_histogram *oh, unsigned int value);
734 void lprocfs_oh_clear(struct obd_histogram *oh);
735 unsigned long lprocfs_oh_sum(struct obd_histogram *oh);
737 void lprocfs_stats_collect(struct lprocfs_stats *stats, int idx,
738 struct lprocfs_counter *cnt);
740 #ifdef HAVE_SERVER_SUPPORT
741 /* lprocfs_status.c: recovery status */
742 int lprocfs_recovery_status_seq_show(struct seq_file *m, void *data);
744 /* lprocfs_status.c: hash statistics */
745 int lprocfs_hash_seq_show(struct seq_file *m, void *data);
747 /* lprocfs_status.c: IR factor */
748 int lprocfs_ir_factor_seq_show(struct seq_file *m, void *data);
750 lprocfs_ir_factor_seq_write(struct file *file, const char *buffer,
751 size_t count, loff_t *off);
753 extern int lprocfs_single_release(struct inode *, struct file *);
754 extern int lprocfs_seq_release(struct inode *, struct file *);
756 /* You must use these macros when you want to refer to
757 * the import in a client obd_device for a lprocfs entry */
758 #define LPROCFS_CLIMP_CHECK(obd) do { \
759 typecheck(struct obd_device *, obd); \
760 down_read(&(obd)->u.cli.cl_sem); \
761 if ((obd)->u.cli.cl_import == NULL) { \
762 up_read(&(obd)->u.cli.cl_sem); \
766 #define LPROCFS_CLIMP_EXIT(obd) \
767 up_read(&(obd)->u.cli.cl_sem);
769 /* write the name##_seq_show function, call LPROC_SEQ_FOPS_RO for read-only
770 proc entries; otherwise, you will define name##_seq_write function also for
771 a read-write proc entry, and then call LPROC_SEQ_SEQ instead. Finally,
772 call lprocfs_obd_seq_create(obd, filename, 0444, &name#_fops, data); */
773 #define __LPROC_SEQ_FOPS(name, custom_seq_write) \
774 static int name##_single_open(struct inode *inode, struct file *file) \
776 LPROCFS_ENTRY_CHECK(PDE(inode)); \
777 return single_open(file, name##_seq_show, PDE_DATA(inode)); \
779 struct file_operations name##_fops = { \
780 .owner = THIS_MODULE, \
781 .open = name##_single_open, \
783 .write = custom_seq_write, \
784 .llseek = seq_lseek, \
785 .release = lprocfs_single_release, \
788 #define LPROC_SEQ_FOPS_RO(name) __LPROC_SEQ_FOPS(name, NULL)
789 #define LPROC_SEQ_FOPS(name) __LPROC_SEQ_FOPS(name, name##_seq_write)
791 #define LPROC_SEQ_FOPS_RO_TYPE(name, type) \
792 static int name##_##type##_seq_show(struct seq_file *m, void *v)\
794 return lprocfs_##type##_seq_show(m, m->private); \
796 LPROC_SEQ_FOPS_RO(name##_##type)
798 #define LPROC_SEQ_FOPS_RW_TYPE(name, type) \
799 static int name##_##type##_seq_show(struct seq_file *m, void *v)\
801 return lprocfs_##type##_seq_show(m, m->private); \
803 static ssize_t name##_##type##_seq_write(struct file *file, \
804 const char __user *buffer, size_t count, \
807 struct seq_file *seq = file->private_data; \
808 return lprocfs_##type##_seq_write(file, buffer, \
809 count, seq->private); \
811 LPROC_SEQ_FOPS(name##_##type);
813 #define LPROC_SEQ_FOPS_WO_TYPE(name, type) \
814 static ssize_t name##_##type##_write(struct file *file, \
815 const char __user *buffer, size_t count, \
818 return lprocfs_##type##_seq_write(file, buffer, count, off);\
820 static int name##_##type##_open(struct inode *inode, struct file *file)\
822 return single_open(file, NULL, PDE_DATA(inode)); \
824 struct file_operations name##_##type##_fops = { \
825 .open = name##_##type##_open, \
826 .write = name##_##type##_write, \
827 .release = lprocfs_single_release, \
831 struct ptlrpc_request;
832 extern void target_print_req(void *seq_file, struct ptlrpc_request *req);
834 #ifdef HAVE_SERVER_SUPPORT
835 /* lprocfs_jobstats.c */
836 int lprocfs_job_stats_log(struct obd_device *obd, char *jobid,
837 int event, long amount);
838 void lprocfs_job_stats_fini(struct obd_device *obd);
839 int lprocfs_job_stats_init(struct obd_device *obd, int cntr_num,
840 cntr_init_callback fn);
841 int lprocfs_job_interval_seq_show(struct seq_file *m, void *data);
843 lprocfs_job_interval_seq_write(struct file *file, const char *buffer,
844 size_t count, loff_t *off);
846 int lprocfs_recovery_time_soft_seq_show(struct seq_file *m, void *data);
847 ssize_t lprocfs_recovery_time_soft_seq_write(struct file *file,
849 size_t count, loff_t *off);
850 int lprocfs_recovery_time_hard_seq_show(struct seq_file *m, void *data);
852 lprocfs_recovery_time_hard_seq_write(struct file *file, const char *buffer,
853 size_t count, loff_t *off);
854 int lprocfs_target_instance_seq_show(struct seq_file *m, void *data);
856 int lprocfs_obd_max_pages_per_rpc_seq_show(struct seq_file *m, void *data);
858 lprocfs_obd_max_pages_per_rpc_seq_write(struct file *file, const char *buffer,
859 size_t count, loff_t *off);
861 struct root_squash_info;
862 int lprocfs_wr_root_squash(const char __user *buffer, unsigned long count,
863 struct root_squash_info *squash, char *name);
864 int lprocfs_wr_nosquash_nids(const char __user *buffer, unsigned long count,
865 struct root_squash_info *squash, char *name);
867 /* all quota proc functions */
868 extern int lprocfs_quota_rd_bunit(char *page, char **start,
869 off_t off, int count,
870 int *eof, void *data);
871 extern int lprocfs_quota_wr_bunit(struct file *file, const char *buffer,
872 unsigned long count, void *data);
873 extern int lprocfs_quota_rd_btune(char *page, char **start,
874 off_t off, int count,
875 int *eof, void *data);
876 extern int lprocfs_quota_wr_btune(struct file *file, const char *buffer,
877 unsigned long count, void *data);
878 extern int lprocfs_quota_rd_iunit(char *page, char **start,
879 off_t off, int count,
880 int *eof, void *data);
881 extern int lprocfs_quota_wr_iunit(struct file *file, const char *buffer,
882 unsigned long count, void *data);
883 extern int lprocfs_quota_rd_itune(char *page, char **start,
884 off_t off, int count,
885 int *eof, void *data);
886 extern int lprocfs_quota_wr_itune(struct file *file, const char *buffer,
887 unsigned long count, void *data);
888 extern int lprocfs_quota_rd_type(char *page, char **start, off_t off, int count,
889 int *eof, void *data);
890 extern int lprocfs_quota_wr_type(struct file *file, const char *buffer,
891 unsigned long count, void *data);
892 extern int lprocfs_quota_rd_switch_seconds(char *page, char **start, off_t off,
893 int count, int *eof, void *data);
894 extern int lprocfs_quota_wr_switch_seconds(struct file *file,
896 unsigned long count, void *data);
897 extern int lprocfs_quota_rd_sync_blk(char *page, char **start, off_t off,
898 int count, int *eof, void *data);
899 extern int lprocfs_quota_wr_sync_blk(struct file *file, const char *buffer,
900 unsigned long count, void *data);
901 extern int lprocfs_quota_rd_switch_qs(char *page, char **start, off_t off,
902 int count, int *eof, void *data);
903 extern int lprocfs_quota_wr_switch_qs(struct file *file,
905 unsigned long count, void *data);
906 extern int lprocfs_quota_rd_boundary_factor(char *page, char **start, off_t off,
907 int count, int *eof, void *data);
908 extern int lprocfs_quota_wr_boundary_factor(struct file *file,
910 unsigned long count, void *data);
911 extern int lprocfs_quota_rd_least_bunit(char *page, char **start, off_t off,
912 int count, int *eof, void *data);
913 extern int lprocfs_quota_wr_least_bunit(struct file *file,
915 unsigned long count, void *data);
916 extern int lprocfs_quota_rd_least_iunit(char *page, char **start, off_t off,
917 int count, int *eof, void *data);
918 extern int lprocfs_quota_wr_least_iunit(struct file *file,
920 unsigned long count, void *data);
921 extern int lprocfs_quota_rd_qs_factor(char *page, char **start, off_t off,
922 int count, int *eof, void *data);
923 extern int lprocfs_quota_wr_qs_factor(struct file *file,
925 unsigned long count, void *data);
927 /* LPROCFS is not defined */
929 #define proc_lustre_root NULL
931 static inline void lprocfs_counter_add(struct lprocfs_stats *stats,
932 int index, long amount)
934 static inline void lprocfs_counter_incr(struct lprocfs_stats *stats,
937 static inline void lprocfs_counter_sub(struct lprocfs_stats *stats,
938 int index, long amount)
940 static inline void lprocfs_counter_decr(struct lprocfs_stats *stats,
943 static inline void lprocfs_counter_init(struct lprocfs_stats *stats,
944 int index, unsigned conf,
945 const char *name, const char *units)
948 static inline __u64 lc_read_helper(struct lprocfs_counter *lc,
949 enum lprocfs_fields_flags field)
952 /* NB: we return !NULL to satisfy error checker */
953 static inline struct lprocfs_stats *
954 lprocfs_alloc_stats(unsigned int num, enum lprocfs_stats_flags flags)
955 { return (struct lprocfs_stats *)1; }
956 static inline void lprocfs_clear_stats(struct lprocfs_stats *stats)
958 static inline void lprocfs_free_stats(struct lprocfs_stats **stats)
960 static inline int lprocfs_register_stats(struct proc_dir_entry *root,
962 struct lprocfs_stats *stats)
964 static inline void lprocfs_init_ops_stats(int num_private_stats,
965 struct lprocfs_stats *stats)
967 static inline void lprocfs_init_mps_stats(int num_private_stats,
968 struct lprocfs_stats *stats)
970 static inline void lprocfs_init_ldlm_stats(struct lprocfs_stats *ldlm_stats)
972 static inline int lprocfs_alloc_obd_stats(struct obd_device *obddev,
973 unsigned int num_private_stats)
975 static inline int lprocfs_alloc_md_stats(struct obd_device *obddev,
976 unsigned int num_private_stats)
978 static inline void lprocfs_free_obd_stats(struct obd_device *obddev)
980 static inline void lprocfs_free_md_stats(struct obd_device *obddev)
984 static inline int lprocfs_add_clear_entry(struct obd_export *exp)
986 static inline void lprocfs_free_per_client_stats(struct obd_device *obd)
988 #ifdef HAVE_SERVER_SUPPORT
990 ssize_t lprocfs_nid_stats_seq_write(struct file *file, const char *buffer,
991 size_t count, loff_t *off)
994 int lprocfs_nid_stats_clear_seq_show(struct seq_file *m, void *data)
996 static inline int lprocfs_exp_setup(struct obd_export *exp,lnet_nid_t *peer_nid,
1000 static inline int lprocfs_exp_cleanup(struct obd_export *exp)
1002 static inline struct proc_dir_entry *
1003 lprocfs_add_simple(struct proc_dir_entry *root, char *name,
1004 void *data, const struct file_operations *fops)
1006 static inline struct proc_dir_entry *
1007 lprocfs_add_symlink(const char *name, struct proc_dir_entry *parent,
1008 const char *format, ...)
1010 #ifndef HAVE_ONLY_PROCFS_SEQ
1011 static inline struct proc_dir_entry *
1012 lprocfs_register(const char *name, struct proc_dir_entry *parent,
1013 struct lprocfs_vars *list, void *data)
1015 static inline int lprocfs_add_vars(struct proc_dir_entry *root,
1016 struct lprocfs_vars *var,
1020 static inline int lprocfs_seq_add_vars(struct proc_dir_entry *root,
1021 struct lprocfs_seq_vars *var,
1024 static inline struct proc_dir_entry *
1025 lprocfs_seq_register(const char *name, struct proc_dir_entry *parent,
1026 struct lprocfs_seq_vars *list, void *data)
1028 static inline void lprocfs_remove(struct proc_dir_entry **root)
1030 static inline void lprocfs_remove_proc_entry(const char *name,
1031 struct proc_dir_entry *parent)
1033 #ifndef HAVE_ONLY_PROCFS_SEQ
1034 static inline void lprocfs_try_remove_proc_entry(const char *name,
1035 struct proc_dir_entry *parent)
1037 static inline struct proc_dir_entry *lprocfs_srch(struct proc_dir_entry *head,
1041 static inline int lprocfs_obd_setup(struct obd_device *dev)
1043 static inline int lprocfs_obd_cleanup(struct obd_device *dev)
1045 static inline int lprocfs_uuid_seq_show(struct seq_file *m, void *data)
1047 static inline int lprocfs_name_seq_show(struct seq_file *m, void *data)
1049 static inline int lprocfs_server_seq_show(struct seq_file *m, void *data)
1051 static inline int lprocfs_conn_uuid_seq_show(struct seq_file *m, void *data)
1053 static inline int lprocfs_import_seq_show(struct seq_file *m, void *data)
1055 static inline int lprocfs_state_seq_show(struct seq_file *m, void *data)
1057 static inline int lprocfs_connect_flags_seq_show(struct seq_file *m, void *data)
1059 #ifdef HAVE_SERVER_SUPPORT
1060 static inline int lprocfs_num_exports_seq_show(struct seq_file *m, void *data)
1063 struct adaptive_timeout;
1064 static inline int lprocfs_seq_at_hist_helper(struct seq_file *m,
1065 struct adaptive_timeout *at)
1067 static inline int lprocfs_timeouts_seq_show(struct seq_file *m, void *data)
1069 static inline ssize_t
1070 lprocfs_timeouts_seq_write(struct file *file, const char *buffer,
1071 size_t count, loff_t *off)
1073 #ifdef HAVE_SERVER_SUPPORT
1074 static inline ssize_t
1075 lprocfs_evict_client_seq_write(struct file *file, const char *buffer,
1076 size_t count, loff_t *off)
1079 static inline ssize_t
1080 lprocfs_ping_seq_write(struct file *file, const char __user *buffer,
1081 size_t count, loff_t *off)
1083 static inline ssize_t
1084 lprocfs_import_seq_write(struct file *file, const char __user *buffer,
1085 size_t count, loff_t *off)
1088 lprocfs_pinger_recov_seq_show(struct seq_file *m, void *data)
1090 static inline ssize_t
1091 lprocfs_pinger_recov_seq_write(struct file *file, const char __user *buffer,
1092 size_t count, loff_t *off)
1095 /* Statfs helpers */
1097 int lprocfs_blksize_seq_show(struct seq_file *m, void *data)
1100 int lprocfs_kbytestotal_seq_show(struct seq_file *m, void *data)
1103 int lprocfs_kbytesfree_seq_show(struct seq_file *m, void *data)
1106 int lprocfs_kbytesavail_seq_show(struct seq_file *m, void *data)
1109 int lprocfs_filestotal_seq_show(struct seq_file *m, void *data)
1112 int lprocfs_filesfree_seq_show(struct seq_file *m, void *data)
1115 void lprocfs_oh_tally(struct obd_histogram *oh, unsigned int value)
1118 void lprocfs_oh_tally_log2(struct obd_histogram *oh, unsigned int value)
1121 void lprocfs_oh_clear(struct obd_histogram *oh)
1124 unsigned long lprocfs_oh_sum(struct obd_histogram *oh)
1127 void lprocfs_stats_collect(struct lprocfs_stats *stats, int idx,
1128 struct lprocfs_counter *cnt)
1131 __u64 lprocfs_stats_collector(struct lprocfs_stats *stats, int idx,
1132 enum lprocfs_fields_flags field)
1133 { return (__u64)0; }
1135 #define LPROC_SEQ_FOPS_RO(name)
1136 #define LPROC_SEQ_FOPS(name)
1137 #define LPROC_SEQ_FOPS_RO_TYPE(name, type)
1138 #define LPROC_SEQ_FOPS_RW_TYPE(name, type)
1139 #define LPROC_SEQ_FOPS_WO_TYPE(name, type)
1141 /* lprocfs_jobstats.c */
1143 int lprocfs_job_stats_log(struct obd_device *obd, char *jobid, int event,
1147 void lprocfs_job_stats_fini(struct obd_device *obd)
1150 int lprocfs_job_stats_init(struct obd_device *obd, int cntr_num,
1151 cntr_init_callback fn)
1155 /* lproc_ptlrpc.c */
1156 #define target_print_req NULL
1158 #endif /* LPROCFS */
1160 #endif /* LPROCFS_SNMP_H */