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1.1 root 1: /*
2: * Copyright (c) 2000 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,
16: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
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 [email protected]
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/boolean.h>
64: #include <mach/kern_return.h>
65: #include <mach/machine/vm_types.h>
66: #include <vm/vm_map.h>
67:
68: extern void kmem_init(
69: vm_offset_t start,
70: vm_offset_t end);
71:
72: extern kern_return_t kernel_memory_allocate(
73: vm_map_t map,
74: vm_offset_t *addrp,
75: vm_size_t size,
76: vm_offset_t mask,
77: int flags);
78:
79: /* flags for kernel_memory_allocate */
80: #define KMA_HERE 0x01
81: #define KMA_NOPAGEWAIT 0x02
82: #define KMA_KOBJECT 0x04
83:
84: extern kern_return_t kmem_alloc_contig(
85: vm_map_t map,
86: vm_offset_t *addrp,
87: vm_size_t size,
88: vm_offset_t mask,
89: int flags);
90:
91: extern kern_return_t kmem_alloc(
92: vm_map_t map,
93: vm_offset_t *addrp,
94: vm_size_t size);
95:
96: extern kern_return_t kmem_alloc_pageable(
97: vm_map_t map,
98: vm_offset_t *addrp,
99: vm_size_t size);
100:
101: extern kern_return_t kmem_alloc_wired(
102: vm_map_t map,
103: vm_offset_t *addrp,
104: vm_size_t size);
105:
106: extern kern_return_t kmem_alloc_aligned(
107: vm_map_t map,
108: vm_offset_t *addrp,
109: vm_size_t size);
110:
111: extern kern_return_t kmem_realloc(
112: vm_map_t map,
113: vm_offset_t oldaddr,
114: vm_size_t oldsize,
115: vm_offset_t *newaddrp,
116: vm_size_t newsize);
117:
118: extern void kmem_free(
119: vm_map_t map,
120: vm_offset_t addr,
121: vm_size_t size);
122:
123: extern kern_return_t kmem_suballoc(
124: vm_map_t parent,
125: vm_offset_t *addr,
126: vm_size_t size,
127: boolean_t pageable,
128: boolean_t anywhere,
129: vm_map_t *new_map);
130:
131: extern kern_return_t kmem_io_map_copyout(
132: vm_map_t map,
133: vm_offset_t *addr,
134: vm_size_t *alloc_size,
135: vm_map_copy_t copy,
136: vm_size_t min_size,
137: vm_prot_t prot);
138:
139: extern void kmem_io_map_deallocate(
140: vm_map_t map,
141: vm_offset_t addr,
142: vm_size_t size);
143:
144: extern void kmem_io_object_deallocate(
145: vm_map_copy_t copy);
146:
147: extern kern_return_t kmem_io_object_trunc(
148: vm_map_copy_t copy,
149: vm_size_t new_size);
150:
151: extern boolean_t copyinmap(
152: vm_map_t map,
153: vm_offset_t fromaddr,
154: vm_offset_t toaddr,
155: vm_size_t length);
156:
157: extern boolean_t copyoutmap(
158: vm_map_t map,
159: vm_offset_t fromaddr,
160: vm_offset_t toaddr,
161: vm_size_t length);
162:
163: extern vm_map_t kernel_map;
164: extern vm_map_t kernel_pageable_map;
165: extern vm_map_t ipc_kernel_map;
166:
167: #endif /* _VM_VM_KERN_H_ */
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