1 /* 2 * Copyright (c) 1991, 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 * @(#)vm.h 8.2 (Berkeley) 12/13/93 34 * @(#)vm_prot.h 8.1 (Berkeley) 6/11/93 35 * @(#)vm_inherit.h 8.1 (Berkeley) 6/11/93 36 * 37 * Copyright (c) 1987, 1990 Carnegie-Mellon University. 38 * All rights reserved. 39 * 40 * Authors: Avadis Tevanian, Jr., Michael Wayne Young 41 * 42 * Permission to use, copy, modify and distribute this software and 43 * its documentation is hereby granted, provided that both the copyright 44 * notice and this permission notice appear in all copies of the 45 * software, derivative works or modified versions, and any portions 46 * thereof, and that both notices appear in supporting documentation. 47 * 48 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 49 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 50 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 51 * 52 * Carnegie Mellon requests users of this software to return to 53 * 54 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 55 * School of Computer Science 56 * Carnegie Mellon University 57 * Pittsburgh PA 15213-3890 58 * 59 * any improvements or extensions that they make and grant Carnegie the 60 * rights to redistribute these changes. 61 * 62 * $FreeBSD$ 63 */ 64 65 #ifndef VM_H 66 #define VM_H 67 68 typedef char vm_inherit_t; /* inheritance codes */ 69 70 #define VM_INHERIT_SHARE ((vm_inherit_t) 0) 71 #define VM_INHERIT_COPY ((vm_inherit_t) 1) 72 #define VM_INHERIT_NONE ((vm_inherit_t) 2) 73 #define VM_INHERIT_DEFAULT VM_INHERIT_COPY 74 75 typedef u_char vm_prot_t; /* protection codes */ 76 77 #define VM_PROT_NONE ((vm_prot_t) 0x00) 78 #define VM_PROT_READ ((vm_prot_t) 0x01) 79 #define VM_PROT_WRITE ((vm_prot_t) 0x02) 80 #define VM_PROT_EXECUTE ((vm_prot_t) 0x04) 81 #define VM_PROT_OVERRIDE_WRITE ((vm_prot_t) 0x08) /* copy-on-write */ 82 83 #define VM_PROT_ALL (VM_PROT_READ|VM_PROT_WRITE|VM_PROT_EXECUTE) 84 #define VM_PROT_DEFAULT VM_PROT_ALL 85 86 union vm_map_object; 87 typedef union vm_map_object vm_map_object_t; 88 89 struct vm_map_entry; 90 typedef struct vm_map_entry *vm_map_entry_t; 91 92 struct vm_map; 93 typedef struct vm_map *vm_map_t; 94 95 struct vm_object; 96 typedef struct vm_object *vm_object_t; 97 98 #ifndef _KERNEL 99 /* 100 * This is defined in <sys/types.h> for the kernel so that non-vm kernel 101 * sources (mainly Mach-derived ones such as ddb) don't have to include 102 * vm stuff. Defining it there for applications might break things. 103 * Define it here for "applications" that include vm headers (e.g., 104 * genassym). 105 */ 106 typedef int boolean_t; 107 108 /* 109 * This is defined in <sys/types.h> for the kernel so that vnode_if.h 110 * doesn't have to include <vm/vm.h>. 111 */ 112 struct vm_page; 113 typedef struct vm_page *vm_page_t; 114 #endif /* _KERNEL */ 115 116 /* 117 * Information passed from the machine-independant VM initialization code 118 * for use by machine-dependant code (mainly for MMU support) 119 */ 120 struct kva_md_info { 121 vm_offset_t buffer_sva; 122 vm_offset_t buffer_eva; 123 vm_offset_t clean_sva; 124 vm_offset_t clean_eva; 125 vm_offset_t pager_sva; 126 vm_offset_t pager_eva; 127 }; 128 129 extern struct kva_md_info kmi; 130 extern void vm_ksubmap_init(struct kva_md_info *); 131 132 #endif /* VM_H */ 133 134