osfmk/vm/vm_kern.h

   1 /*
   2  * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*
  23  * @OSF_COPYRIGHT@
  24  */
  25 /*
  26  * Mach Operating System
  27  * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
  28  * All Rights Reserved.
  29  *
  30  * Permission to use, copy, modify and distribute this software and its
  31  * documentation is hereby granted, provided that both the copyright
  32  * notice and this permission notice appear in all copies of the
  33  * software, derivative works or modified versions, and any portions
  34  * thereof, and that both notices appear in supporting documentation.
  35  *
  36  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  37  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  38  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  39  *
  40  * Carnegie Mellon requests users of this software to return to
  41  *
  42  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  43  *  School of Computer Science
  44  *  Carnegie Mellon University
  45  *  Pittsburgh PA 15213-3890
  46  *
  47  * any improvements or extensions that they make and grant Carnegie Mellon
  48  * the rights to redistribute these changes.
  49  */
  50 /*
  51  */
  52 /*
  53  *      File:   vm/vm_kern.h
  54  *      Author: Avadis Tevanian, Jr., Michael Wayne Young
  55  *      Date:   1985
  56  *
  57  *      Kernel memory management definitions.
  58  */
  59
  60 #ifndef _VM_VM_KERN_H_
  61 #define _VM_VM_KERN_H_
  62
  63 #include <mach/mach_types.h>
  64 #include <mach/boolean.h>
  65 #include <mach/kern_return.h>
  66
  67 #ifdef  KERNEL_PRIVATE
  68
  69 extern kern_return_t    kernel_memory_allocate(
  70                                 vm_map_t        map,
  71                                 vm_offset_t     *addrp,
  72                                 vm_size_t       size,
  73                                 vm_offset_t     mask,
  74                                 int             flags);
  75
  76 /* flags for kernel_memory_allocate */
  77 #define KMA_HERE        0x01
  78 #define KMA_NOPAGEWAIT  0x02
  79 #define KMA_KOBJECT     0x04
  80 #define KMA_LOMEM       0x08
  81
  82 extern kern_return_t kmem_alloc_contig(
  83                                 vm_map_t        map,
  84                                 vm_offset_t     *addrp,
  85                                 vm_size_t       size,
  86                                 vm_offset_t     mask,
  87                                 int             flags);
  88
  89 extern kern_return_t    kmem_alloc(
  90                                 vm_map_t        map,
  91                                 vm_offset_t     *addrp,
  92                                 vm_size_t       size);
  93
  94 extern kern_return_t    kmem_alloc_pageable(
  95                                 vm_map_t        map,
  96                                 vm_offset_t     *addrp,
  97                                 vm_size_t       size);
  98
  99 extern kern_return_t    kmem_alloc_aligned(
 100                                 vm_map_t        map,
 101                                 vm_offset_t     *addrp,
 102                                 vm_size_t       size);
 103
 104 extern kern_return_t    kmem_realloc(
 105                                 vm_map_t        map,
 106                                 vm_offset_t     oldaddr,
 107                                 vm_size_t       oldsize,
 108                                 vm_offset_t     *newaddrp,
 109                                 vm_size_t       newsize);
 110
 111 extern void             kmem_free(
 112                                 vm_map_t        map,
 113                                 vm_offset_t     addr,
 114                                 vm_size_t       size);
 115
 116 #ifdef  MACH_KERNEL_PRIVATE
 117
 118 extern void             kmem_init(
 119                                         vm_offset_t     start,
 120                                         vm_offset_t     end);
 121
 122 extern kern_return_t    kmem_alloc_wired(
 123                                 vm_map_t        map,
 124                                 vm_offset_t     *addrp,
 125                                 vm_size_t       size);
 126
 127 extern kern_return_t    kmem_suballoc(
 128                                 vm_map_t        parent,
 129                                 vm_offset_t     *addr,
 130                                 vm_size_t       size,
 131                                 boolean_t       pageable,
 132                                 boolean_t       anywhere,
 133                                 vm_map_t        *new_map);
 134
 135 extern kern_return_t    copyinmap(
 136                                 vm_map_t        map,
 137                                 vm_map_offset_t fromaddr,
 138                                 void            *todata,
 139                                 vm_size_t       length);
 140
 141 extern kern_return_t    copyoutmap(
 142                                 vm_map_t        map,
 143                                 void            *fromdata,
 144                                 vm_map_offset_t toaddr,
 145                                 vm_size_t       length);
 146
 147 extern kern_return_t    vm_conflict_check(
 148                                 vm_map_t                map,
 149                                 vm_map_offset_t         off,
 150                                 vm_map_size_t           len,
 151                                 memory_object_t         pager,
 152                                 vm_object_offset_t      file_off);
 153
 154 #endif  /* MACH_KERNEL_PRIVATE */
 155
 156 extern vm_map_t kernel_map;
 157 extern vm_map_t kernel_pageable_map;
 158 extern vm_map_t ipc_kernel_map;
 159
 160 #endif  /* KERNEL_PRIVATE */
 161
 162 #endif  /* _VM_VM_KERN_H_ */