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#define KMA_VAONLY 0x200 93#define KMA_COMPRESSOR 0x400 /* Pages belonging to the compressor are not on the paging queues, nor are they counted as wired. */ 94 95extern kern_return_t kmem_alloc_contig( 96 vm_map_t map, 97 vm_offset_t *addrp, 98 vm_size_t size, 99 vm_offset_t mask, 100 ppnum_t max_pnum, 101 ppnum_t pnum_mask, 102 int flags); 103 104extern kern_return_t kmem_alloc( 105 vm_map_t map, 106 vm_offset_t *addrp, 107 vm_size_t size); 108 109extern kern_return_t kmem_alloc_pageable( 110 vm_map_t map, 111 vm_offset_t *addrp, 112 vm_size_t size); 113 114extern kern_return_t kmem_alloc_aligned( 115 vm_map_t map, 116 vm_offset_t *addrp, 117 vm_size_t size); 118 119extern kern_return_t kmem_realloc( 120 vm_map_t map, 121 vm_offset_t oldaddr, 122 vm_size_t oldsize, 123 vm_offset_t *newaddrp, 124 vm_size_t newsize); 125 126extern void kmem_free( 127 vm_map_t map, 128 vm_offset_t addr, 129 vm_size_t size); 130 131extern kern_return_t kmem_suballoc( 132 vm_map_t parent, 133 vm_offset_t *addr, 134 vm_size_t size, 135 boolean_t pageable, 136 int flags, 137 vm_map_t *new_map); 138 139 140extern kern_return_t kmem_alloc_kobject( 141 vm_map_t map, 142 vm_offset_t *addrp, 143 vm_size_t size); 144 145extern kern_return_t kernel_memory_populate( 146 vm_map_t map, 147 vm_offset_t addr, 148 vm_size_t size, 149 int flags); 150extern void kernel_memory_depopulate( 151 vm_map_t map, 152 vm_offset_t addr, 153 vm_size_t size, 154 int flags); 155 156#ifdef MACH_KERNEL_PRIVATE 157 158extern void kmem_init( 159 vm_offset_t start, 160 vm_offset_t end); 161 162 163extern kern_return_t copyinmap( 164 vm_map_t map, 165 vm_map_offset_t fromaddr, 166 void *todata, 167 vm_size_t length); 168 169extern kern_return_t copyoutmap( 170 vm_map_t map, 171 void *fromdata, 172 vm_map_offset_t toaddr, 173 vm_size_t length); 174 175extern kern_return_t vm_conflict_check( 176 vm_map_t map, 177 vm_map_offset_t off, 178 vm_map_size_t len, 179 memory_object_t pager, 180 vm_object_offset_t file_off); 181 182#endif /* MACH_KERNEL_PRIVATE */ 183 184extern vm_map_t kernel_map; 185extern vm_map_t kernel_pageable_map; 186extern vm_map_t ipc_kernel_map; 187 188#endif /* KERNEL_PRIVATE */ 189 190#endif /* _VM_VM_KERN_H_ */ 191