xref: /freebsd/sys/cddl/compat/opensolaris/sys/kstat.h (revision 2be1a816b9ff69588e55be0a84cbe2a31efc0f2f)
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  * $FreeBSD$
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 typedef struct kstat {
39 	void	*ks_data;
40 	u_int	 ks_ndata;
41 #ifdef _KERNEL
42 	struct sysctl_ctx_list ks_sysctl_ctx;
43 	struct sysctl_oid *ks_sysctl_root;
44 #endif
45 } kstat_t;
46 
47 typedef struct kstat_named {
48 #define	KSTAT_STRLEN	31
49 	char	name[KSTAT_STRLEN];
50 #define	KSTAT_DATA_CHAR		0
51 #define	KSTAT_DATA_INT32	1
52 #define	KSTAT_DATA_UINT32	2
53 #define	KSTAT_DATA_INT64	3
54 #define	KSTAT_DATA_UINT64	4
55 	uchar_t	data_type;
56 	union {
57 		uint64_t	ui64;
58 	} value;
59 } kstat_named_t;
60 
61 kstat_t *kstat_create(char *module, int instance, char *name, char *class,
62     uchar_t type, ulong_t ndata, uchar_t flags);
63 void kstat_install(kstat_t *ksp);
64 void kstat_delete(kstat_t *ksp);
65 
66 #endif	/* _OPENSOLARIS_SYS_KSTAT_H_ */
67