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 * 4. Neither the name of the University nor the names of its contributors
14 *    may be used to endorse or promote products derived from this software
15 *    without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 *	@(#)kvm.h	8.1 (Berkeley) 6/2/93
30 * $FreeBSD: stable/11/lib/libkvm/kvm.h 312252 2017-01-16 03:48:52Z pfg $
31 */
32
33#ifndef _KVM_H_
34#define	_KVM_H_
35
36#include <sys/cdefs.h>
37#include <sys/types.h>
38#include <nlist.h>
39
40/* Default version symbol. */
41#define	VRS_SYM		"_version"
42#define	VRS_KEY		"VERSION"
43
44#ifndef _SIZE_T_DECLARED
45typedef	__size_t	size_t;
46#define	_SIZE_T_DECLARED
47#endif
48
49#ifndef _SSIZE_T_DECLARED
50typedef	__ssize_t	ssize_t;
51#define	_SSIZE_T_DECLARED
52#endif
53
54typedef	uint64_t kvaddr_t;		/* An address in a target image. */
55
56struct kvm_nlist {
57	const char *n_name;
58	unsigned char n_type;
59	kvaddr_t n_value;
60};
61
62typedef struct __kvm kvm_t;
63
64struct kinfo_proc;
65struct proc;
66
67struct kvm_swap {
68	char	ksw_devname[32];
69	u_int	ksw_used;
70	u_int	ksw_total;
71	int	ksw_flags;
72	u_int	ksw_reserved1;
73	u_int	ksw_reserved2;
74};
75
76#define SWIF_DEV_PREFIX	0x0002
77
78__BEGIN_DECLS
79int	  kvm_close(kvm_t *);
80int	  kvm_dpcpu_setcpu(kvm_t *, unsigned int);
81char	**kvm_getargv(kvm_t *, const struct kinfo_proc *, int);
82int	  kvm_getcptime(kvm_t *, long *);
83char	**kvm_getenvv(kvm_t *, const struct kinfo_proc *, int);
84char	 *kvm_geterr(kvm_t *);
85int	  kvm_getloadavg(kvm_t *, double [], int);
86int	  kvm_getmaxcpu(kvm_t *);
87int	  kvm_getncpus(kvm_t *);
88void	 *kvm_getpcpu(kvm_t *, int);
89uint64_t  kvm_counter_u64_fetch(kvm_t *, u_long);
90struct kinfo_proc *
91	  kvm_getprocs(kvm_t *, int, int, int *);
92int	  kvm_getswapinfo(kvm_t *, struct kvm_swap *, int, int);
93int	  kvm_native(kvm_t *);
94int	  kvm_nlist(kvm_t *, struct nlist *);
95int	  kvm_nlist2(kvm_t *, struct kvm_nlist *);
96kvm_t	 *kvm_open
97	    (const char *, const char *, const char *, int, const char *);
98kvm_t	 *kvm_openfiles
99	    (const char *, const char *, const char *, int, char *);
100kvm_t	 *kvm_open2
101	    (const char *, const char *, int, char *,
102	    int (*)(const char *, kvaddr_t *));
103ssize_t	  kvm_read(kvm_t *, unsigned long, void *, size_t);
104ssize_t	  kvm_read_zpcpu(kvm_t *, unsigned long, void *, size_t, int);
105ssize_t	  kvm_read2(kvm_t *, kvaddr_t, void *, size_t);
106ssize_t	  kvm_write(kvm_t *, unsigned long, const void *, size_t);
107__END_DECLS
108
109#endif /* !_KVM_H_ */
110