]> git.saurik.com Git - apple/xnu.git/blame - osfmk/mach/vm_attributes.h
xnu-344.49.tar.gz
[apple/xnu.git] / osfmk / mach / vm_attributes.h
CommitLineData
1c79356b 1/*
9bccf70c 2 * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
1c79356b
A
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
43866e37 6 * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
1c79356b 7 *
43866e37
A
8 * This file contains Original Code and/or Modifications of Original Code
9 * as defined in and that are subject to the Apple Public Source License
10 * Version 2.0 (the 'License'). You may not use this file except in
11 * compliance with the License. Please obtain a copy of the License at
12 * http://www.opensource.apple.com/apsl/ and read it before using this
13 * file.
14 *
15 * The Original Code and all software distributed under the License are
16 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
1c79356b
A
17 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
18 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
43866e37
A
19 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
20 * Please see the License for the specific language governing rights and
21 * limitations under the License.
1c79356b
A
22 *
23 * @APPLE_LICENSE_HEADER_END@
24 */
25/*
26 * @OSF_COPYRIGHT@
27 */
1c79356b
A
28/*
29 * Mach Operating System
30 * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
31 * All Rights Reserved.
32 *
33 * Permission to use, copy, modify and distribute this software and its
34 * documentation is hereby granted, provided that both the copyright
35 * notice and this permission notice appear in all copies of the
36 * software, derivative works or modified versions, and any portions
37 * thereof, and that both notices appear in supporting documentation.
38 *
39 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
40 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
41 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
42 *
43 * Carnegie Mellon requests users of this software to return to
44 *
45 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
46 * School of Computer Science
47 * Carnegie Mellon University
48 * Pittsburgh PA 15213-3890
49 *
50 * any improvements or extensions that they make and grant Carnegie Mellon
51 * the rights to redistribute these changes.
52 */
53/*
54 */
55/*
56 * File: mach/vm_attributes.h
57 * Author: Alessandro Forin
58 *
59 * Virtual memory attributes definitions.
60 *
61 * These definitions are in addition to the machine-independent
62 * ones (e.g. protection), and are only selectively supported
63 * on specific machine architectures.
64 *
65 */
66
67#ifndef VM_ATTRIBUTES_H_
68#define VM_ATTRIBUTES_H_
69
70/*
71 * Types of machine-dependent attributes
72 */
73typedef unsigned int vm_machine_attribute_t;
74
75#define MATTR_CACHE 1 /* cachability */
76#define MATTR_MIGRATE 2 /* migrability */
77#define MATTR_REPLICATE 4 /* replicability */
78
79/*
80 * Values for the above, e.g. operations on attribute
81 */
82typedef int vm_machine_attribute_val_t;
83
84#define MATTR_VAL_OFF 0 /* (generic) turn attribute off */
85#define MATTR_VAL_ON 1 /* (generic) turn attribute on */
86#define MATTR_VAL_GET 2 /* (generic) return current value */
87
88#define MATTR_VAL_CACHE_FLUSH 6 /* flush from all caches */
89#define MATTR_VAL_DCACHE_FLUSH 7 /* flush from data caches */
90#define MATTR_VAL_ICACHE_FLUSH 8 /* flush from instruction caches */
91#define MATTR_VAL_CACHE_SYNC 9 /* sync I+D caches */
92#define MATTR_VAL_CACHE_SYNC 9 /* sync I+D caches */
93
94#define MATTR_VAL_GET_INFO 10 /* get page info (stats) */
95
96#endif /* VM_ATTRIBUTES_H_ */