kstat.h revision 288551 
1/*-
2 * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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.
13 *
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
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: stable/10/sys/cddl/compat/opensolaris/sys/kstat.h 288551 2015-10-03 07:31:42Z mav $
27 */
28
29#ifndef _OPENSOLARIS_SYS_KSTAT_H_
30#define	_OPENSOLARIS_SYS_KSTAT_H_
31
32#include <sys/sysctl.h>
33
34#define	KSTAT_TYPE_NAMED	1
35
36#define	KSTAT_FLAG_VIRTUAL	0x01
37
38#define	KSTAT_READ	0
39#define	KSTAT_WRITE	1
40
41typedef struct kstat {
42	void	*ks_data;
43	u_int	 ks_ndata;
44#ifdef _KERNEL
45	struct sysctl_ctx_list ks_sysctl_ctx;
46	struct sysctl_oid *ks_sysctl_root;
47#endif
48	int		(*ks_update)(struct kstat *, int); /* dynamic update */
49	void		*ks_private;	/* arbitrary provider-private data */
50} kstat_t;
51
52typedef struct kstat_named {
53#define	KSTAT_STRLEN	31
54	char	name[KSTAT_STRLEN];
55#define	KSTAT_DATA_CHAR		0
56#define	KSTAT_DATA_INT32	1
57#define	KSTAT_DATA_UINT32	2
58#define	KSTAT_DATA_INT64	3
59#define	KSTAT_DATA_UINT64	4
60	uchar_t	data_type;
61#define	KSTAT_DESCLEN		128
62	char	desc[KSTAT_DESCLEN];
63	union {
64		uint64_t	ui64;
65	} value;
66} kstat_named_t;
67
68kstat_t *kstat_create(char *module, int instance, char *name, char *cls,
69    uchar_t type, ulong_t ndata, uchar_t flags);
70void kstat_install(kstat_t *ksp);
71void kstat_delete(kstat_t *ksp);
72
73#endif	/* _OPENSOLARIS_SYS_KSTAT_H_ */
74