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