xref: /dragonfly/lib/libkvm/kvm.h (revision c9f721c2)
1 /*-
2  * Copyright (c) 1989, 1993
3  *	The Regents of the University of California.  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  * 3. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *	This product includes software developed by the University of
16  *	California, Berkeley and its contributors.
17  * 4. Neither the name of the University nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  *
33  *	@(#)kvm.h	8.1 (Berkeley) 6/2/93
34  * $FreeBSD: src/lib/libkvm/kvm.h,v 1.11 1999/08/27 23:44:50 peter Exp $
35  * $DragonFly: src/lib/libkvm/kvm.h,v 1.5 2004/04/02 05:46:02 hmp Exp $
36  */
37 
38 #ifndef _KVM_H_
39 #define	_KVM_H_
40 
41 #include <sys/cdefs.h>
42 #include <machine/stdint.h>
43 #include <nlist.h>
44 
45 /* Default version symbol. */
46 #define	VRS_SYM		"_version"
47 #define	VRS_KEY		"VERSION"
48 
49 typedef struct __kvm kvm_t;
50 
51 struct kinfo_proc;
52 struct proc;
53 struct nchstats;
54 
55 struct kvm_swap {
56 	char	ksw_devname[32];
57 	int	ksw_used;
58 	int	ksw_total;
59 	int	ksw_flags;
60 	int	ksw_reserved1;
61 	int	ksw_reserved2;
62 };
63 
64 #define SWIF_DUMP_TREE	0x0001
65 #define SWIF_DEV_PREFIX	0x0002
66 
67 __BEGIN_DECLS
68 void kvm_nch_cpuagg(struct nchstats *, struct nchstats *, int);
69 int	  kvm_close (kvm_t *);
70 char	**kvm_getargv (kvm_t *, const struct kinfo_proc *, int);
71 char	**kvm_getenvv (kvm_t *, const struct kinfo_proc *, int);
72 char	 *kvm_geterr (kvm_t *);
73 char	 *kvm_getfiles (kvm_t *, int, int, int *);
74 int	  kvm_getloadavg (kvm_t *, double [], int);
75 struct kinfo_proc *
76 	  kvm_getprocs (kvm_t *, int, int, int *);
77 int	  kvm_getswapinfo (kvm_t *, struct kvm_swap *, int, int);
78 int	  kvm_nlist (kvm_t *, struct nlist *);
79 kvm_t	 *kvm_open
80 	    (const char *, const char *, const char *, int, const char *);
81 kvm_t	 *kvm_openfiles
82 	    (const char *, const char *, const char *, int, char *);
83 __ssize_t	  kvm_read (kvm_t *, unsigned long, void *, __size_t);
84 __ssize_t	  kvm_uread
85 	    (kvm_t *, const struct proc *, unsigned long, char *, __size_t);
86 __ssize_t	  kvm_write (kvm_t *, unsigned long, const void *, __size_t);
87 __END_DECLS
88 
89 #endif /* !_KVM_H_ */
90