1/* 2 * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28/* 29 * @OSF_COPYRIGHT@ 30 */ 31/* 32 * Mach Operating System 33 * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University 34 * All Rights Reserved. 35 * 36 * Permission to use, copy, modify and distribute this software and its 37 * documentation is hereby granted, provided that both the copyright 38 * notice and this permission notice appear in all copies of the 39 * software, derivative works or modified versions, and any portions 40 * thereof, and that both notices appear in supporting documentation. 41 * 42 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 43 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR 44 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 45 * 46 * Carnegie Mellon requests users of this software to return to 47 * 48 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 49 * School of Computer Science 50 * Carnegie Mellon University 51 * Pittsburgh PA 15213-3890 52 * 53 * any improvements or extensions that they make and grant Carnegie Mellon 54 * the rights to redistribute these changes. 55 */ 56/* 57 */ 58/* 59 * File: vm/vm_kern.h 60 * Author: Avadis Tevanian, Jr., Michael Wayne Young 61 * Date: 1985 62 * 63 * Kernel memory management definitions. 64 */ 65 66#ifndef _VM_VM_KERN_H_ 67#define _VM_VM_KERN_H_ 68 69#include <mach/mach_types.h> 70#include <mach/boolean.h> 71#include <mach/kern_return.h> 72 73#ifdef KERNEL_PRIVATE 74 75extern kern_return_t kernel_memory_allocate( 76 vm_map_t map, 77 vm_offset_t *addrp, 78 vm_size_t size, 79 vm_offset_t mask, 80 int flags); 81 82/* flags for kernel_memory_allocate */ 83#define KMA_HERE 0x01 84#define KMA_NOPAGEWAIT 0x02 85#define KMA_KOBJECT 0x04 86#define KMA_LOMEM 0x08 87#define KMA_GUARD_FIRST 0x10 88#define KMA_GUARD_LAST 0x20 89#define KMA_PERMANENT 0x40 90#define KMA_NOENCRYPT 0x80 91#define KMA_KSTACK 0x100 92 93extern kern_return_t kmem_alloc_contig( 94 vm_map_t map, 95 vm_offset_t *addrp, 96 vm_size_t size, 97 vm_offset_t mask, 98 ppnum_t max_pnum, 99 ppnum_t pnum_mask, 100 int flags); 101 102extern kern_return_t kmem_alloc( 103 vm_map_t map, 104 vm_offset_t *addrp, 105 vm_size_t size); 106 107extern kern_return_t kmem_alloc_pageable( 108 vm_map_t map, 109 vm_offset_t *addrp, 110 vm_size_t size); 111 112extern kern_return_t kmem_alloc_aligned( 113 vm_map_t map, 114 vm_offset_t *addrp, 115 vm_size_t size); 116 117extern kern_return_t kmem_realloc( 118 vm_map_t map, 119 vm_offset_t oldaddr, 120 vm_size_t oldsize, 121 vm_offset_t *newaddrp, 122 vm_size_t newsize); 123 124extern void kmem_free( 125 vm_map_t map, 126 vm_offset_t addr, 127 vm_size_t size); 128 129extern kern_return_t kmem_suballoc( 130 vm_map_t parent, 131 vm_offset_t *addr, 132 vm_size_t size, 133 boolean_t pageable, 134 int flags, 135 vm_map_t *new_map); 136 137 138extern kern_return_t kmem_alloc_kobject( 139 vm_map_t map, 140 vm_offset_t *addrp, 141 vm_size_t size); 142 143#ifdef MACH_KERNEL_PRIVATE 144 145extern void kmem_init( 146 vm_offset_t start, 147 vm_offset_t end) __attribute__((section("__TEXT, initcode"))); 148 149 150extern kern_return_t copyinmap( 151 vm_map_t map, 152 vm_map_offset_t fromaddr, 153 void *todata, 154 vm_size_t length); 155 156extern kern_return_t copyoutmap( 157 vm_map_t map, 158 void *fromdata, 159 vm_map_offset_t toaddr, 160 vm_size_t length); 161 162extern kern_return_t vm_conflict_check( 163 vm_map_t map, 164 vm_map_offset_t off, 165 vm_map_size_t len, 166 memory_object_t pager, 167 vm_object_offset_t file_off); 168 169#endif /* MACH_KERNEL_PRIVATE */ 170 171extern vm_map_t kernel_map; 172extern vm_map_t kernel_pageable_map; 173extern vm_map_t ipc_kernel_map; 174 175#endif /* KERNEL_PRIVATE */ 176 177#endif /* _VM_VM_KERN_H_ */ 178