1/*	$NetBSD: kstat.h,v 1.4 2018/05/28 21:05:10 chs Exp $	*/
2
3/*-
4 * Copyright (c) 2009 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Andrew Doran.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32/*-
33 * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
34 * All rights reserved.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
38 * are met:
39 * 1. Redistributions of source code must retain the above copyright
40 *    notice, this list of conditions and the following disclaimer.
41 * 2. Redistributions in binary form must reproduce the above copyright
42 *    notice, this list of conditions and the following disclaimer in the
43 *    documentation and/or other materials provided with the distribution.
44 *
45 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
46 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
47 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
48 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
49 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
50 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
51 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
52 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
53 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
54 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
55 * SUCH DAMAGE.
56 *
57 * $FreeBSD: head/sys/cddl/compat/opensolaris/sys/kstat.h 315896 2017-03-24 09:37:00Z mav $
58 */
59
60#ifndef _OPENSOLARIS_SYS_KSTAT_H_
61#define	_OPENSOLARIS_SYS_KSTAT_H_
62
63#include <sys/sysctl.h>
64
65#define	KSTAT_TYPE_NAMED	1
66
67#define	KSTAT_FLAG_VIRTUAL	0x01
68
69#define	KSTAT_READ	0
70#define	KSTAT_WRITE	1
71
72typedef struct kstat {
73	void	*ks_data;
74	u_int	 ks_ndata;
75#ifdef _KERNEL
76	struct sysctllog *ks_clog;
77	const struct sysctlnode *ks_node;
78#endif
79	int		(*ks_update)(struct kstat *, int); /* dynamic update */
80	void		*ks_private;	/* arbitrary provider-private data */
81} kstat_t;
82
83typedef struct kstat_named {
84#define	KSTAT_STRLEN	31
85	char	name[KSTAT_STRLEN];
86#define	KSTAT_DATA_CHAR		0
87#define	KSTAT_DATA_INT32	1
88#define	KSTAT_DATA_UINT32	2
89#define	KSTAT_DATA_INT64	3
90#define	KSTAT_DATA_UINT64	4
91	uchar_t	data_type;
92#define	KSTAT_DESCLEN		128
93	char	desc[KSTAT_DESCLEN];
94	union {
95		uint64_t	ui64;
96	} value;
97} kstat_named_t;
98
99kstat_t *kstat_create(char *module, int instance, char *name, char *class,
100    uchar_t type, ulong_t ndata, uchar_t flags);
101void kstat_install(kstat_t *ksp);
102void kstat_delete(kstat_t *ksp);
103void kstat_set_string(char *, const char *);
104void kstat_named_init(kstat_named_t *, const char *, uchar_t);
105
106#endif	/* _OPENSOLARIS_SYS_KSTAT_H_ */
107