2 * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #ifndef _OPENSOLARIS_SYS_KSTAT_H_
30 #define _OPENSOLARIS_SYS_KSTAT_H_
32 #include <sys/sysctl.h>
34 #define KSTAT_TYPE_RAW 0 /* can be anything */
36 #define KSTAT_TYPE_NAMED 1 /* name/value pair */
38 #define KSTAT_TYPE_INTR 2 /* interrupt statistics */
40 #define KSTAT_TYPE_IO 3 /* I/O statistics */
42 #define KSTAT_TYPE_TIMER 4 /* event timer */
45 #define KSTAT_NUM_TYPES 5
47 #define KSTAT_FLAG_VIRTUAL 0x01
52 typedef struct kstat {
56 struct sysctl_ctx_list ks_sysctl_ctx;
57 struct sysctl_oid *ks_sysctl_root;
59 int (*ks_update)(struct kstat *, int); /* dynamic update */
60 void *ks_private; /* arbitrary provider-private data */
63 typedef struct kstat_named {
64 #define KSTAT_STRLEN 31
65 char name[KSTAT_STRLEN];
66 #define KSTAT_DATA_CHAR 0
67 #define KSTAT_DATA_INT32 1
68 #define KSTAT_DATA_UINT32 2
69 #define KSTAT_DATA_INT64 3
70 #define KSTAT_DATA_UINT64 4
72 #define KSTAT_DESCLEN 128
73 char desc[KSTAT_DESCLEN];
79 kstat_t *kstat_create(char *module, int instance, char *name, char *cls,
80 uchar_t type, ulong_t ndata, uchar_t flags);
81 void kstat_install(kstat_t *ksp);
82 void kstat_delete(kstat_t *ksp);
83 void kstat_set_string(char *, const char *);
84 void kstat_named_init(kstat_named_t *, const char *, uchar_t);
86 #endif /* _OPENSOLARIS_SYS_KSTAT_H_ */