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.gnu.org/licenses/gpl-2.0.html
23 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
26 * Copyright (c) 2011, 2016, Intel Corporation.
29 * This file is part of Lustre, http://www.lustre.org/
30 * Lustre is a trademark of Sun Microsystems, Inc.
32 * lustre/include/lprocfs_status.h
34 * Top level header file for LProc
36 * Author: Hariharan Thantry thantry@users.sourceforge.net
38 #ifndef _LPROCFS_STATUS_H
39 #define _LPROCFS_STATUS_H
42 #include <linux/proc_fs.h>
43 #include <linux/debugfs.h>
44 #include <linux/rwsem.h>
45 #include <linux/spinlock.h>
46 #include <linux/seq_file.h>
48 #include <lustre/lustre_idl.h>
52 const struct file_operations *fops;
60 /* if we find more consumers this could be generalized */
61 #define OBD_HIST_MAX 32
62 struct obd_histogram {
64 unsigned long oh_buckets[OBD_HIST_MAX];
86 struct obd_histogram hist[BRW_LAST];
90 RENAME_SAMEDIR_SIZE = 0,
91 RENAME_CROSSDIR_SRC_SIZE,
92 RENAME_CROSSDIR_TGT_SIZE,
97 struct obd_histogram hist[RENAME_LAST];
100 /* An lprocfs counter can be configured using the enum bit masks below.
102 * LPROCFS_CNTR_EXTERNALLOCK indicates that an external lock already
103 * protects this counter from concurrent updates. If not specified,
104 * lprocfs an internal per-counter lock variable. External locks are
105 * not used to protect counter increments, but are used to protect
106 * counter readout and resets.
108 * LPROCFS_CNTR_AVGMINMAX indicates a multi-valued counter samples,
109 * (i.e. counter can be incremented by more than "1"). When specified,
110 * the counter maintains min, max and sum in addition to a simple
111 * invocation count. This allows averages to be be computed.
112 * If not specified, the counter is an increment-by-1 counter.
113 * min, max, sum, etc. are not maintained.
115 * LPROCFS_CNTR_STDDEV indicates that the counter should track sum of
116 * squares (for multi-valued counter samples only). This allows
117 * external computation of standard deviation, but involves a 64-bit
118 * multiply per counter increment.
122 LPROCFS_CNTR_EXTERNALLOCK = 0x0001,
123 LPROCFS_CNTR_AVGMINMAX = 0x0002,
124 LPROCFS_CNTR_STDDEV = 0x0004,
126 /* counter data type */
127 LPROCFS_TYPE_REGS = 0x0100,
128 LPROCFS_TYPE_BYTES = 0x0200,
129 LPROCFS_TYPE_PAGES = 0x0400,
130 LPROCFS_TYPE_CYCLE = 0x0800,
133 #define LC_MIN_INIT ((~(__u64)0) >> 1)
135 struct lprocfs_counter_header {
136 unsigned int lc_config;
137 const char *lc_name; /* must be static */
138 const char *lc_units; /* must be static */
141 struct lprocfs_counter {
147 * Every counter has lc_array_sum[0], while lc_array_sum[1] is only
148 * for irq context counter, i.e. stats with
149 * LPROCFS_STATS_FLAG_IRQ_SAFE flag, its counter need
152 __s64 lc_array_sum[1];
154 #define lc_sum lc_array_sum[0]
155 #define lc_sum_irq lc_array_sum[1]
157 struct lprocfs_percpu {
158 struct lprocfs_counter lp_cntr[0];
161 enum lprocfs_stats_lock_ops {
162 LPROCFS_GET_NUM_CPU = 0x0001, /* number allocated per-CPU stats */
163 LPROCFS_GET_SMP_ID = 0x0002, /* current stat to be updated */
166 enum lprocfs_stats_flags {
167 LPROCFS_STATS_FLAG_NONE = 0x0000, /* per cpu counter */
168 LPROCFS_STATS_FLAG_NOPERCPU = 0x0001, /* stats have no percpu
169 * area and need locking */
170 LPROCFS_STATS_FLAG_IRQ_SAFE = 0x0002, /* alloc need irq safe */
173 enum lprocfs_fields_flags {
174 LPROCFS_FIELDS_FLAGS_CONFIG = 0x0001,
175 LPROCFS_FIELDS_FLAGS_SUM = 0x0002,
176 LPROCFS_FIELDS_FLAGS_MIN = 0x0003,
177 LPROCFS_FIELDS_FLAGS_MAX = 0x0004,
178 LPROCFS_FIELDS_FLAGS_AVG = 0x0005,
179 LPROCFS_FIELDS_FLAGS_SUMSQUARE = 0x0006,
180 LPROCFS_FIELDS_FLAGS_COUNT = 0x0007,
183 struct lprocfs_stats {
185 unsigned short ls_num;
186 /* 1 + the biggest cpu # whose ls_percpu slot has been allocated */
187 unsigned short ls_biggest_alloc_num;
188 enum lprocfs_stats_flags ls_flags;
189 /* Lock used when there are no percpu stats areas; For percpu stats,
190 * it is used to protect ls_biggest_alloc_num change */
193 /* has ls_num of counter headers */
194 struct lprocfs_counter_header *ls_cnt_header;
195 struct lprocfs_percpu *ls_percpu[0];
198 #define OPC_RANGE(seg) (seg ## _LAST_OPC - seg ## _FIRST_OPC)
200 /* Pack all opcodes down into a single monotonically increasing index */
201 static inline int opcode_offset(__u32 opc) {
202 if (opc < OST_LAST_OPC) {
204 return (opc - OST_FIRST_OPC);
205 } else if (opc < MDS_LAST_OPC) {
207 return (opc - MDS_FIRST_OPC +
209 } else if (opc < LDLM_LAST_OPC) {
211 return (opc - LDLM_FIRST_OPC +
214 } else if (opc < MGS_LAST_OPC) {
216 return (opc - MGS_FIRST_OPC +
220 } else if (opc < OBD_LAST_OPC) {
222 return (opc - OBD_FIRST_OPC +
227 } else if (opc < LLOG_LAST_OPC) {
229 return (opc - LLOG_FIRST_OPC +
235 } else if (opc < QUOTA_LAST_OPC) {
237 return (opc - QUOTA_FIRST_OPC +
244 } else if (opc < SEQ_LAST_OPC) {
246 return (opc - SEQ_FIRST_OPC +
254 } else if (opc < SEC_LAST_OPC) {
256 return (opc - SEC_FIRST_OPC +
265 } else if (opc < FLD_LAST_OPC) {
267 return (opc - FLD_FIRST_OPC +
277 } else if (opc < OUT_UPDATE_LAST_OPC) {
279 return (opc - OUT_UPDATE_FIRST_OPC +
290 } else if (opc < LFSCK_LAST_OPC) {
292 return (opc - LFSCK_FIRST_OPC +
293 OPC_RANGE(OUT_UPDATE) +
311 #define LUSTRE_MAX_OPCODES (OPC_RANGE(OST) + \
321 OPC_RANGE(OUT_UPDATE) + \
324 #define EXTRA_MAX_OPCODES ((PTLRPC_LAST_CNTR - PTLRPC_FIRST_CNTR) + \
328 PTLRPC_REQWAIT_CNTR = 0,
329 PTLRPC_REQQDEPTH_CNTR,
330 PTLRPC_REQACTIVE_CNTR,
332 PTLRPC_REQBUF_AVAIL_CNTR,
336 #define PTLRPC_FIRST_CNTR PTLRPC_REQWAIT_CNTR
338 enum lprocfs_extra_opc {
339 LDLM_GLIMPSE_ENQUEUE = 0,
356 #define EXTRA_FIRST_OPC LDLM_GLIMPSE_ENQUEUE
358 extern struct proc_dir_entry *proc_lustre_root;
359 extern struct dentry *debugfs_lustre_root;
360 extern struct kobject *lustre_kobj;
363 struct obd_histogram;
365 /* Days / hours / mins / seconds format */
369 static inline void s2dhms(struct dhms *ts, time_t secs)
371 ts->d = secs / 86400;
378 #define DHMS_FMT "%dd%dh%02dm%02ds"
379 #define DHMS_VARS(x) (x)->d, (x)->h, (x)->m, (x)->s
381 #define JOBSTATS_JOBID_VAR_MAX_LEN 20
382 #define JOBSTATS_DISABLE "disable"
383 #define JOBSTATS_PROCNAME_UID "procname_uid"
384 #define JOBSTATS_NODELOCAL "nodelocal"
386 typedef void (*cntr_init_callback)(struct lprocfs_stats *stats);
388 struct obd_job_stats {
389 struct cfs_hash *ojs_hash; /* hash of jobids */
390 struct list_head ojs_list; /* list of job_stat structs */
391 rwlock_t ojs_lock; /* protect ojs_list/js_list */
392 unsigned int ojs_cleanup_interval;/* seconds before expiry */
393 time_t ojs_last_cleanup; /* previous cleanup time */
394 cntr_init_callback ojs_cntr_init_fn;/* lprocfs_stats initializer */
395 unsigned short ojs_cntr_num; /* number of stats in struct */
396 bool ojs_cleaning; /* currently expiring stats */
399 #ifdef CONFIG_PROC_FS
401 int lprocfs_stats_alloc_one(struct lprocfs_stats *stats,
403 int lprocfs_stats_lock(struct lprocfs_stats *stats,
404 enum lprocfs_stats_lock_ops opc,
405 unsigned long *flags);
406 void lprocfs_stats_unlock(struct lprocfs_stats *stats,
407 enum lprocfs_stats_lock_ops opc,
408 unsigned long *flags);
410 static inline unsigned int
411 lprocfs_stats_counter_size(struct lprocfs_stats *stats)
413 unsigned int percpusize;
415 percpusize = offsetof(struct lprocfs_percpu, lp_cntr[stats->ls_num]);
417 /* irq safe stats need lc_array_sum[1] */
418 if ((stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE) != 0)
419 percpusize += stats->ls_num * sizeof(__s64);
421 if ((stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) == 0)
422 percpusize = L1_CACHE_ALIGN(percpusize);
427 static inline struct lprocfs_counter *
428 lprocfs_stats_counter_get(struct lprocfs_stats *stats, unsigned int cpuid,
431 struct lprocfs_counter *cntr;
433 cntr = &stats->ls_percpu[cpuid]->lp_cntr[index];
435 if ((stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE) != 0)
436 cntr = (void *)cntr + index * sizeof(__s64);
441 /* Two optimized LPROCFS counter increment functions are provided:
442 * lprocfs_counter_incr(cntr, value) - optimized for by-one counters
443 * lprocfs_counter_add(cntr) - use for multi-valued counters
444 * Counter data layout allows config flag, counter lock and the
445 * count itself to reside within a single cache line.
448 extern void lprocfs_counter_add(struct lprocfs_stats *stats, int idx,
450 extern void lprocfs_counter_sub(struct lprocfs_stats *stats, int idx,
453 #define lprocfs_counter_incr(stats, idx) \
454 lprocfs_counter_add(stats, idx, 1)
455 #define lprocfs_counter_decr(stats, idx) \
456 lprocfs_counter_sub(stats, idx, 1)
458 extern __s64 lprocfs_read_helper(struct lprocfs_counter *lc,
459 struct lprocfs_counter_header *header,
460 enum lprocfs_stats_flags flags,
461 enum lprocfs_fields_flags field);
462 u64 lprocfs_stats_collector(struct lprocfs_stats *stats, int idx,
463 enum lprocfs_fields_flags field);
465 extern struct lprocfs_stats *
466 lprocfs_alloc_stats(unsigned int num, enum lprocfs_stats_flags flags);
467 extern void lprocfs_clear_stats(struct lprocfs_stats *stats);
468 extern void lprocfs_free_stats(struct lprocfs_stats **stats);
469 extern void lprocfs_init_ops_stats(int num_private_stats,
470 struct lprocfs_stats *stats);
471 extern void lprocfs_init_mps_stats(int num_private_stats,
472 struct lprocfs_stats *stats);
473 extern void lprocfs_init_ldlm_stats(struct lprocfs_stats *ldlm_stats);
474 extern int lprocfs_alloc_obd_stats(struct obd_device *obddev,
475 unsigned int num_private_stats);
476 extern int lprocfs_alloc_md_stats(struct obd_device *obddev,
477 unsigned int num_private_stats);
478 extern void lprocfs_counter_init(struct lprocfs_stats *stats, int index,
479 unsigned conf, const char *name,
481 extern void lprocfs_free_obd_stats(struct obd_device *obddev);
482 extern void lprocfs_free_md_stats(struct obd_device *obddev);
485 extern int lprocfs_add_clear_entry(struct obd_device * obd,
486 struct proc_dir_entry *entry);
487 #ifdef HAVE_SERVER_SUPPORT
488 extern int lprocfs_exp_setup(struct obd_export *exp, lnet_nid_t *peer_nid);
489 extern int lprocfs_exp_cleanup(struct obd_export *exp);
491 static inline int lprocfs_exp_cleanup(struct obd_export *exp)
494 extern struct proc_dir_entry *
495 lprocfs_add_simple(struct proc_dir_entry *root, char *name,
496 void *data, const struct file_operations *fops);
497 extern struct proc_dir_entry *
498 lprocfs_add_symlink(const char *name, struct proc_dir_entry *parent,
499 const char *format, ...);
500 extern void lprocfs_free_per_client_stats(struct obd_device *obd);
501 #ifdef HAVE_SERVER_SUPPORT
503 lprocfs_nid_stats_clear_seq_write(struct file *file, const char __user *buffer,
504 size_t count, loff_t *off);
505 extern int lprocfs_nid_stats_clear_seq_show(struct seq_file *file, void *data);
507 extern int ldebugfs_register_stats(struct dentry *parent, const char *name,
508 struct lprocfs_stats *stats);
509 extern int lprocfs_register_stats(struct proc_dir_entry *root, const char *name,
510 struct lprocfs_stats *stats);
512 /* lprocfs_status.c */
513 extern int ldebugfs_add_vars(struct dentry *parent, struct lprocfs_vars *var,
515 extern int lprocfs_add_vars(struct proc_dir_entry *root,
516 struct lprocfs_vars *var, void *data);
518 extern struct dentry *ldebugfs_register(const char *name,
519 struct dentry *parent,
520 struct lprocfs_vars *list,
522 extern struct proc_dir_entry *
523 lprocfs_register(const char *name, struct proc_dir_entry *parent,
524 struct lprocfs_vars *list, void *data);
526 extern void ldebugfs_remove(struct dentry **entryp);
527 extern void lprocfs_remove(struct proc_dir_entry **root);
528 extern void lprocfs_remove_proc_entry(const char *name,
529 struct proc_dir_entry *parent);
530 #ifndef HAVE_REMOVE_PROC_SUBTREE
531 extern int remove_proc_subtree(const char *name,
532 struct proc_dir_entry *parent);
533 #define PDE_DATA(inode) (PDE(inode)->data)
535 static inline int LPROCFS_ENTRY_CHECK(struct inode *inode)
537 struct proc_dir_entry *dp = PDE(inode);
540 spin_lock(&(dp)->pde_unload_lock);
541 if (dp->proc_fops == NULL)
543 spin_unlock(&(dp)->pde_unload_lock);
549 static inline int LPROCFS_ENTRY_CHECK(struct inode *inode)
552 extern int lprocfs_obd_setup(struct obd_device *dev);
553 extern int lprocfs_obd_cleanup(struct obd_device *obd);
554 #ifdef HAVE_SERVER_SUPPORT
555 extern const struct file_operations lprocfs_evict_client_fops;
558 extern int ldebugfs_seq_create(struct dentry *parent, const char *name,
560 const struct file_operations *seq_fops,
562 extern int lprocfs_seq_create(struct proc_dir_entry *parent, const char *name,
564 const struct file_operations *seq_fops,
566 extern int lprocfs_obd_seq_create(struct obd_device *dev, const char *name,
568 const struct file_operations *seq_fops,
571 /* Generic callbacks */
572 extern int lprocfs_u64_seq_show(struct seq_file *m, void *data);
573 extern int lprocfs_atomic_seq_show(struct seq_file *m, void *data);
574 extern ssize_t lprocfs_atomic_seq_write(struct file *file,
575 const char __user *buffer,
576 size_t count, loff_t *off);
577 extern int lprocfs_uint_seq_show(struct seq_file *m, void *data);
578 extern ssize_t lprocfs_uint_seq_write(struct file *file,
579 const char __user *buffer,
580 size_t count, loff_t *off);
581 extern int lprocfs_wr_uint(struct file *file, const char __user *buffer,
582 unsigned long count, void *data);
583 extern int lprocfs_uuid_seq_show(struct seq_file *m, void *data);
584 extern int lprocfs_name_seq_show(struct seq_file *m, void *data);
585 extern int lprocfs_server_uuid_seq_show(struct seq_file *m, void *data);
586 extern int lprocfs_conn_uuid_seq_show(struct seq_file *m, void *data);
587 extern int lprocfs_import_seq_show(struct seq_file *m, void *data);
588 extern int lprocfs_state_seq_show(struct seq_file *m, void *data);
589 extern int lprocfs_connect_flags_seq_show(struct seq_file *m, void *data);
590 #ifdef HAVE_SERVER_SUPPORT
591 extern int lprocfs_num_exports_seq_show(struct seq_file *m, void *data);
593 struct adaptive_timeout;
594 extern int lprocfs_at_hist_helper(struct seq_file *m,
595 struct adaptive_timeout *at);
596 extern int lprocfs_timeouts_seq_show(struct seq_file *m, void *data);
598 lprocfs_timeouts_seq_write(struct file *file, const char __user *buffer,
599 size_t count, loff_t *off);
600 #ifdef HAVE_SERVER_SUPPORT
602 lprocfs_evict_client_seq_write(struct file *file, const char __user *buffer,
603 size_t count, loff_t *off);
606 lprocfs_ping_seq_write(struct file *file, const char __user *buffer,
607 size_t count, loff_t *off);
609 lprocfs_import_seq_write(struct file *file, const char __user *buffer,
610 size_t count, loff_t *off);
611 extern int lprocfs_pinger_recov_seq_show(struct seq_file *m, void *data);
613 lprocfs_pinger_recov_seq_write(struct file *file, const char __user *buffer,
614 size_t count, loff_t *off);
617 extern int lprocfs_blksize_seq_show(struct seq_file *m, void *data);
618 extern int lprocfs_kbytestotal_seq_show(struct seq_file *m, void *data);
619 extern int lprocfs_kbytesfree_seq_show(struct seq_file *m, void *data);
620 extern int lprocfs_kbytesavail_seq_show(struct seq_file *m, void *data);
621 extern int lprocfs_filestotal_seq_show(struct seq_file *m, void *data);
622 extern int lprocfs_filesfree_seq_show(struct seq_file *m, void *data);
624 extern int lprocfs_seq_read_frac_helper(struct seq_file *m, long val, int mult);
625 extern int lprocfs_read_frac_helper(char *buffer, unsigned long count,
627 extern int lprocfs_str_to_s64(const char __user *buffer, unsigned long count,
629 extern int lprocfs_str_with_units_to_s64(const char __user *buffer,
630 unsigned long count, __s64 *val,
632 char *lprocfs_find_named_value(const char *buffer, const char *name,
634 void lprocfs_oh_tally(struct obd_histogram *oh, unsigned int value);
635 void lprocfs_oh_tally_log2(struct obd_histogram *oh, unsigned int value);
636 void lprocfs_oh_clear(struct obd_histogram *oh);
637 unsigned long lprocfs_oh_sum(struct obd_histogram *oh);
639 void lprocfs_stats_collect(struct lprocfs_stats *stats, int idx,
640 struct lprocfs_counter *cnt);
642 #ifdef HAVE_SERVER_SUPPORT
643 /* lprocfs_status.c: recovery status */
644 int lprocfs_recovery_status_seq_show(struct seq_file *m, void *data);
646 /* lprocfs_status.c: hash statistics */
647 int lprocfs_hash_seq_show(struct seq_file *m, void *data);
649 /* lprocfs_status.c: IR factor */
650 int lprocfs_ir_factor_seq_show(struct seq_file *m, void *data);
652 lprocfs_ir_factor_seq_write(struct file *file, const char __user *buffer,
653 size_t count, loff_t *off);
655 extern int lprocfs_single_release(struct inode *, struct file *);
656 extern int lprocfs_seq_release(struct inode *, struct file *);
658 /* You must use these macros when you want to refer to
659 * the import in a client obd_device for a lprocfs entry */
660 #define LPROCFS_CLIMP_CHECK(obd) do { \
661 typecheck(struct obd_device *, obd); \
662 down_read(&(obd)->u.cli.cl_sem); \
663 if ((obd)->u.cli.cl_import == NULL) { \
664 up_read(&(obd)->u.cli.cl_sem); \
668 #define LPROCFS_CLIMP_EXIT(obd) \
669 up_read(&(obd)->u.cli.cl_sem);
671 /* write the name##_seq_show function, call LPROC_SEQ_FOPS_RO for read-only
672 proc entries; otherwise, you will define name##_seq_write function also for
673 a read-write proc entry, and then call LPROC_SEQ_SEQ instead. Finally,
674 call lprocfs_obd_seq_create(obd, filename, 0444, &name#_fops, data); */
675 #define __LPROC_SEQ_FOPS(name, custom_seq_write) \
676 static int name##_single_open(struct inode *inode, struct file *file) \
680 rc = LPROCFS_ENTRY_CHECK(inode); \
684 return single_open(file, name##_seq_show, \
685 inode->i_private ? : PDE_DATA(inode)); \
687 static const struct file_operations name##_fops = { \
688 .owner = THIS_MODULE, \
689 .open = name##_single_open, \
691 .write = custom_seq_write, \
692 .llseek = seq_lseek, \
693 .release = lprocfs_single_release, \
696 #define LPROC_SEQ_FOPS_RO(name) __LPROC_SEQ_FOPS(name, NULL)
697 #define LPROC_SEQ_FOPS(name) __LPROC_SEQ_FOPS(name, name##_seq_write)
699 #define LPROC_SEQ_FOPS_RO_TYPE(name, type) \
700 static int name##_##type##_seq_show(struct seq_file *m, void *v)\
702 return lprocfs_##type##_seq_show(m, m->private); \
704 LPROC_SEQ_FOPS_RO(name##_##type)
706 #define LPROC_SEQ_FOPS_RW_TYPE(name, type) \
707 static int name##_##type##_seq_show(struct seq_file *m, void *v)\
709 return lprocfs_##type##_seq_show(m, m->private); \
711 static ssize_t name##_##type##_seq_write(struct file *file, \
712 const char __user *buffer, size_t count, \
715 struct seq_file *seq = file->private_data; \
716 return lprocfs_##type##_seq_write(file, buffer, \
717 count, seq->private); \
719 LPROC_SEQ_FOPS(name##_##type);
721 #define LPROC_SEQ_FOPS_WO_TYPE(name, type) \
722 static ssize_t name##_##type##_write(struct file *file, \
723 const char __user *buffer, size_t count, \
726 return lprocfs_##type##_seq_write(file, buffer, count, off);\
728 static int name##_##type##_open(struct inode *inode, struct file *file)\
730 return single_open(file, NULL, \
731 inode->i_private ? : PDE_DATA(inode));\
733 static const struct file_operations name##_##type##_fops = { \
734 .open = name##_##type##_open, \
735 .write = name##_##type##_write, \
736 .release = lprocfs_single_release, \
740 struct attribute attr;
741 ssize_t (*show)(struct kobject *kobj, struct attribute *attr,
743 ssize_t (*store)(struct kobject *kobj, struct attribute *attr,
744 const char *buf, size_t len);
747 #define LUSTRE_ATTR(name, mode, show, store) \
748 static struct lustre_attr lustre_attr_##name = __ATTR(name, mode, show, store)
750 #define LUSTRE_RO_ATTR(name) LUSTRE_ATTR(name, 0444, name##_show, NULL)
751 #define LUSTRE_RW_ATTR(name) LUSTRE_ATTR(name, 0644, name##_show, name##_store)
753 ssize_t lustre_attr_show(struct kobject *kobj, struct attribute *attr,
755 ssize_t lustre_attr_store(struct kobject *kobj, struct attribute *attr,
756 const char *buf, size_t len);
758 extern const struct sysfs_ops lustre_sysfs_ops;
761 struct ptlrpc_request;
762 extern void target_print_req(void *seq_file, struct ptlrpc_request *req);
764 #ifdef HAVE_SERVER_SUPPORT
765 /* lprocfs_jobstats.c */
766 int lprocfs_job_stats_log(struct obd_device *obd, char *jobid,
767 int event, long amount);
768 void lprocfs_job_stats_fini(struct obd_device *obd);
769 int lprocfs_job_stats_init(struct obd_device *obd, int cntr_num,
770 cntr_init_callback fn);
771 int lprocfs_job_interval_seq_show(struct seq_file *m, void *data);
773 lprocfs_job_interval_seq_write(struct file *file, const char __user *buffer,
774 size_t count, loff_t *off);
776 int lprocfs_recovery_time_soft_seq_show(struct seq_file *m, void *data);
777 ssize_t lprocfs_recovery_time_soft_seq_write(struct file *file,
778 const char __user *buffer,
779 size_t count, loff_t *off);
780 int lprocfs_recovery_time_hard_seq_show(struct seq_file *m, void *data);
782 lprocfs_recovery_time_hard_seq_write(struct file *file,
783 const char __user *buffer,
784 size_t count, loff_t *off);
785 int lprocfs_target_instance_seq_show(struct seq_file *m, void *data);
787 int lprocfs_obd_max_pages_per_rpc_seq_show(struct seq_file *m, void *data);
789 lprocfs_obd_max_pages_per_rpc_seq_write(struct file *file,
790 const char __user *buffer,
791 size_t count, loff_t *off);
793 struct root_squash_info;
794 int lprocfs_wr_root_squash(const char __user *buffer, unsigned long count,
795 struct root_squash_info *squash, char *name);
796 int lprocfs_wr_nosquash_nids(const char __user *buffer, unsigned long count,
797 struct root_squash_info *squash, char *name);
799 #else /* !CONFIG_PROC_FS */
801 #define proc_lustre_root NULL
803 static inline void lprocfs_counter_add(struct lprocfs_stats *stats,
804 int index, long amount)
806 static inline void lprocfs_counter_incr(struct lprocfs_stats *stats,
809 static inline void lprocfs_counter_sub(struct lprocfs_stats *stats,
810 int index, long amount)
812 static inline void lprocfs_counter_decr(struct lprocfs_stats *stats,
815 static inline void lprocfs_counter_init(struct lprocfs_stats *stats,
816 int index, unsigned conf,
817 const char *name, const char *units)
820 static inline __u64 lc_read_helper(struct lprocfs_counter *lc,
821 enum lprocfs_fields_flags field)
824 /* NB: we return !NULL to satisfy error checker */
825 static inline struct lprocfs_stats *
826 lprocfs_alloc_stats(unsigned int num, enum lprocfs_stats_flags flags)
827 { return (struct lprocfs_stats *)1; }
828 static inline void lprocfs_clear_stats(struct lprocfs_stats *stats)
830 static inline void lprocfs_free_stats(struct lprocfs_stats **stats)
832 static inline int lprocfs_register_stats(struct proc_dir_entry *root,
834 struct lprocfs_stats *stats)
836 static inline void lprocfs_init_ops_stats(int num_private_stats,
837 struct lprocfs_stats *stats)
839 static inline void lprocfs_init_mps_stats(int num_private_stats,
840 struct lprocfs_stats *stats)
842 static inline void lprocfs_init_ldlm_stats(struct lprocfs_stats *ldlm_stats)
844 static inline int lprocfs_alloc_obd_stats(struct obd_device *obddev,
845 unsigned int num_private_stats)
847 static inline int lprocfs_alloc_md_stats(struct obd_device *obddev,
848 unsigned int num_private_stats)
850 static inline void lprocfs_free_obd_stats(struct obd_device *obddev)
852 static inline void lprocfs_free_md_stats(struct obd_device *obddev)
856 static inline int lprocfs_add_clear_entry(struct obd_export *exp)
858 static inline void lprocfs_free_per_client_stats(struct obd_device *obd)
860 #ifdef HAVE_SERVER_SUPPORT
862 ssize_t lprocfs_nid_stats_seq_write(struct file *file,
863 const char __user *buffer,
864 size_t count, loff_t *off)
867 int lprocfs_nid_stats_clear_seq_show(struct seq_file *m, void *data)
869 static inline int lprocfs_exp_setup(struct obd_export *exp,lnet_nid_t *peer_nid)
872 static inline int lprocfs_exp_cleanup(struct obd_export *exp)
874 static inline struct proc_dir_entry *
875 lprocfs_add_simple(struct proc_dir_entry *root, char *name,
876 void *data, const struct file_operations *fops)
878 static inline struct proc_dir_entry *
879 lprocfs_add_symlink(const char *name, struct proc_dir_entry *parent,
880 const char *format, ...)
882 static inline int lprocfs_add_vars(struct proc_dir_entry *root,
883 struct lprocfs_vars *var, void *data)
885 static inline struct proc_dir_entry *
886 lprocfs_register(const char *name, struct proc_dir_entry *parent,
887 struct lprocfs_vars *list, void *data)
889 static inline void lprocfs_remove(struct proc_dir_entry **root)
891 static inline void lprocfs_remove_proc_entry(const char *name,
892 struct proc_dir_entry *parent)
894 static inline int lprocfs_obd_setup(struct obd_device *dev)
896 static inline int lprocfs_obd_cleanup(struct obd_device *dev)
898 static inline int lprocfs_uuid_seq_show(struct seq_file *m, void *data)
900 static inline int lprocfs_name_seq_show(struct seq_file *m, void *data)
902 static inline int lprocfs_server_seq_show(struct seq_file *m, void *data)
904 static inline int lprocfs_conn_uuid_seq_show(struct seq_file *m, void *data)
906 static inline int lprocfs_import_seq_show(struct seq_file *m, void *data)
908 static inline int lprocfs_state_seq_show(struct seq_file *m, void *data)
910 static inline int lprocfs_connect_flags_seq_show(struct seq_file *m, void *data)
912 #ifdef HAVE_SERVER_SUPPORT
913 static inline int lprocfs_num_exports_seq_show(struct seq_file *m, void *data)
916 struct adaptive_timeout;
917 static inline int lprocfs_at_hist_helper(struct seq_file *m,
918 struct adaptive_timeout *at)
920 static inline int lprocfs_timeouts_seq_show(struct seq_file *m, void *data)
922 static inline ssize_t
923 lprocfs_timeouts_seq_write(struct file *file, const char __user *buffer,
924 size_t count, loff_t *off)
926 #ifdef HAVE_SERVER_SUPPORT
927 static inline ssize_t
928 lprocfs_evict_client_seq_write(struct file *file, const char __user *buffer,
929 size_t count, loff_t *off)
932 static inline ssize_t
933 lprocfs_ping_seq_write(struct file *file, const char __user *buffer,
934 size_t count, loff_t *off)
936 static inline ssize_t
937 lprocfs_import_seq_write(struct file *file, const char __user *buffer,
938 size_t count, loff_t *off)
941 lprocfs_pinger_recov_seq_show(struct seq_file *m, void *data)
943 static inline ssize_t
944 lprocfs_pinger_recov_seq_write(struct file *file, const char __user *buffer,
945 size_t count, loff_t *off)
950 int lprocfs_blksize_seq_show(struct seq_file *m, void *data)
953 int lprocfs_kbytestotal_seq_show(struct seq_file *m, void *data)
956 int lprocfs_kbytesfree_seq_show(struct seq_file *m, void *data)
959 int lprocfs_kbytesavail_seq_show(struct seq_file *m, void *data)
962 int lprocfs_filestotal_seq_show(struct seq_file *m, void *data)
965 int lprocfs_filesfree_seq_show(struct seq_file *m, void *data)
968 void lprocfs_oh_tally(struct obd_histogram *oh, unsigned int value)
971 void lprocfs_oh_tally_log2(struct obd_histogram *oh, unsigned int value)
974 void lprocfs_oh_clear(struct obd_histogram *oh)
977 unsigned long lprocfs_oh_sum(struct obd_histogram *oh)
980 void lprocfs_stats_collect(struct lprocfs_stats *stats, int idx,
981 struct lprocfs_counter *cnt)
984 u64 lprocfs_stats_collector(struct lprocfs_stats *stats, int idx,
985 enum lprocfs_fields_flags field)
988 #define LPROC_SEQ_FOPS_RO(name)
989 #define LPROC_SEQ_FOPS(name)
990 #define LPROC_SEQ_FOPS_RO_TYPE(name, type)
991 #define LPROC_SEQ_FOPS_RW_TYPE(name, type)
992 #define LPROC_SEQ_FOPS_WO_TYPE(name, type)
994 /* lprocfs_jobstats.c */
996 int lprocfs_job_stats_log(struct obd_device *obd, char *jobid, int event,
1000 void lprocfs_job_stats_fini(struct obd_device *obd)
1003 int lprocfs_job_stats_init(struct obd_device *obd, int cntr_num,
1004 cntr_init_callback fn)
1008 /* lproc_ptlrpc.c */
1009 #define target_print_req NULL
1011 #endif /* CONFIG_PROC_FS */
1013 #endif /* LPROCFS_STATUS_H */