1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1989, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * @(#)kvm.h 8.1 (Berkeley) 6/2/93 32 * $FreeBSD$ 33 */ 34 35 #ifndef _KVM_H_ 36 #define _KVM_H_ 37 38 #include <sys/cdefs.h> 39 #include <sys/types.h> 40 #include <nlist.h> 41 42 /* 43 * Including vm/vm.h causes namespace pollution issues. For the 44 * most part, only things using kvm_walk_pages() need to #include it. 45 */ 46 #ifndef VM_H 47 typedef u_char vm_prot_t; 48 #endif 49 50 /* Default version symbol. */ 51 #define VRS_SYM "_version" 52 #define VRS_KEY "VERSION" 53 54 #ifndef _SIZE_T_DECLARED 55 typedef __size_t size_t; 56 #define _SIZE_T_DECLARED 57 #endif 58 59 #ifndef _SSIZE_T_DECLARED 60 typedef __ssize_t ssize_t; 61 #define _SSIZE_T_DECLARED 62 #endif 63 64 struct kvm_nlist { 65 const char *n_name; 66 unsigned char n_type; 67 kvaddr_t n_value; 68 }; 69 70 typedef struct __kvm kvm_t; 71 72 struct kinfo_proc; 73 struct proc; 74 75 struct kvm_swap { 76 char ksw_devname[32]; 77 u_int ksw_used; 78 u_int ksw_total; 79 int ksw_flags; 80 u_int ksw_reserved1; 81 u_int ksw_reserved2; 82 }; 83 84 struct kvm_page { 85 unsigned int version; 86 u_long paddr; 87 u_long kmap_vaddr; 88 u_long dmap_vaddr; 89 vm_prot_t prot; 90 u_long offset; 91 size_t len; 92 /* end of version 1 */ 93 }; 94 95 #define SWIF_DEV_PREFIX 0x0002 96 #define LIBKVM_WALK_PAGES_VERSION 1 97 98 __BEGIN_DECLS 99 int kvm_close(kvm_t *); 100 int kvm_dpcpu_setcpu(kvm_t *, unsigned int); 101 char **kvm_getargv(kvm_t *, const struct kinfo_proc *, int); 102 int kvm_getcptime(kvm_t *, long *); 103 char **kvm_getenvv(kvm_t *, const struct kinfo_proc *, int); 104 char *kvm_geterr(kvm_t *); 105 int kvm_getloadavg(kvm_t *, double [], int); 106 int kvm_getmaxcpu(kvm_t *); 107 int kvm_getncpus(kvm_t *); 108 void *kvm_getpcpu(kvm_t *, int); 109 uint64_t kvm_counter_u64_fetch(kvm_t *, u_long); 110 struct kinfo_proc * 111 kvm_getprocs(kvm_t *, int, int, int *); 112 int kvm_getswapinfo(kvm_t *, struct kvm_swap *, int, int); 113 int kvm_native(kvm_t *); 114 int kvm_nlist(kvm_t *, struct nlist *); 115 int kvm_nlist2(kvm_t *, struct kvm_nlist *); 116 kvm_t *kvm_open 117 (const char *, const char *, const char *, int, const char *); 118 kvm_t *kvm_openfiles 119 (const char *, const char *, const char *, int, char *); 120 kvm_t *kvm_open2 121 (const char *, const char *, int, char *, 122 int (*)(const char *, kvaddr_t *)); 123 ssize_t kvm_read(kvm_t *, unsigned long, void *, size_t); 124 ssize_t kvm_read_zpcpu(kvm_t *, unsigned long, void *, size_t, int); 125 ssize_t kvm_read2(kvm_t *, kvaddr_t, void *, size_t); 126 ssize_t kvm_write(kvm_t *, unsigned long, const void *, size_t); 127 128 typedef int kvm_walk_pages_cb_t(struct kvm_page *, void *); 129 int kvm_walk_pages(kvm_t *, kvm_walk_pages_cb_t *, void *); 130 __END_DECLS 131 132 #endif /* !_KVM_H_ */ 133