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 32 #ifndef _KVM_H_ 33 #define _KVM_H_ 34 35 #include <sys/cdefs.h> 36 #include <sys/types.h> 37 #include <nlist.h> 38 39 /* 40 * Including vm/vm.h causes namespace pollution issues. For the 41 * most part, only things using kvm_walk_pages() need to #include it. 42 */ 43 #ifndef VM_H 44 typedef u_char vm_prot_t; 45 #endif 46 47 /* Default version symbol. */ 48 #define VRS_SYM "_version" 49 #define VRS_KEY "VERSION" 50 51 #ifndef _SIZE_T_DECLARED 52 typedef __size_t size_t; 53 #define _SIZE_T_DECLARED 54 #endif 55 56 #ifndef _SSIZE_T_DECLARED 57 typedef __ssize_t ssize_t; 58 #define _SSIZE_T_DECLARED 59 #endif 60 61 struct kvm_nlist { 62 const char *n_name; 63 unsigned char n_type; 64 kvaddr_t n_value; 65 }; 66 67 typedef struct __kvm kvm_t; 68 69 struct kinfo_proc; 70 struct proc; 71 72 struct kvm_swap { 73 char ksw_devname[32]; 74 u_int ksw_used; 75 u_int ksw_total; 76 int ksw_flags; 77 u_int ksw_reserved1; 78 u_int ksw_reserved2; 79 }; 80 81 struct kvm_page { 82 u_int kp_version; 83 kpaddr_t kp_paddr; 84 kvaddr_t kp_kmap_vaddr; 85 kvaddr_t kp_dmap_vaddr; 86 vm_prot_t kp_prot; 87 off_t kp_offset; 88 size_t kp_len; 89 /* end of version 2 */ 90 }; 91 92 #define SWIF_DEV_PREFIX 0x0002 93 #define LIBKVM_WALK_PAGES_VERSION 2 94 95 __BEGIN_DECLS 96 int kvm_close(kvm_t *); 97 int kvm_dpcpu_setcpu(kvm_t *, unsigned int); 98 char **kvm_getargv(kvm_t *, const struct kinfo_proc *, int); 99 int kvm_getcptime(kvm_t *, long *); 100 char **kvm_getenvv(kvm_t *, const struct kinfo_proc *, int); 101 char *kvm_geterr(kvm_t *); 102 int kvm_getloadavg(kvm_t *, double [], int); 103 int kvm_getmaxcpu(kvm_t *); 104 int kvm_getncpus(kvm_t *); 105 void *kvm_getpcpu(kvm_t *, int); 106 uint64_t kvm_counter_u64_fetch(kvm_t *, u_long); 107 struct kinfo_proc * 108 kvm_getprocs(kvm_t *, int, int, int *); 109 int kvm_getswapinfo(kvm_t *, struct kvm_swap *, int, int); 110 int kvm_native(kvm_t *); 111 int kvm_nlist(kvm_t *, struct nlist *); 112 int kvm_nlist2(kvm_t *, struct kvm_nlist *); 113 kvm_t *kvm_open 114 (const char *, const char *, const char *, int, const char *); 115 kvm_t *kvm_openfiles 116 (const char *, const char *, const char *, int, char *); 117 kvm_t *kvm_open2 118 (const char *, const char *, int, char *, 119 int (*)(const char *, kvaddr_t *)); 120 ssize_t kvm_read(kvm_t *, unsigned long, void *, size_t); 121 ssize_t kvm_read_zpcpu(kvm_t *, unsigned long, void *, size_t, int); 122 ssize_t kvm_read2(kvm_t *, kvaddr_t, void *, size_t); 123 ssize_t kvm_write(kvm_t *, unsigned long, const void *, size_t); 124 kssize_t kvm_kerndisp(kvm_t *); 125 126 typedef int kvm_walk_pages_cb_t(struct kvm_page *, void *); 127 int kvm_walk_pages(kvm_t *, kvm_walk_pages_cb_t *, void *); 128 __END_DECLS 129 130 #endif /* !_KVM_H_ */ 131