]> git.saurik.com Git - apple/xnu.git/blame_incremental - osfmk/mach/vm_attributes.h
xnu-792.25.20.tar.gz
[apple/xnu.git] / osfmk / mach / vm_attributes.h
... / ...
CommitLineData
1/*
2 * Copyright (c) 2000-2002 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 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: mach/vm_attributes.h
54 * Author: Alessandro Forin
55 *
56 * Virtual memory attributes definitions.
57 *
58 * These definitions are in addition to the machine-independent
59 * ones (e.g. protection), and are only selectively supported
60 * on specific machine architectures.
61 *
62 */
63
64#ifndef _MACH_VM_ATTRIBUTES_H_
65#define _MACH_VM_ATTRIBUTES_H_
66
67/*
68 * Types of machine-dependent attributes
69 */
70typedef unsigned int vm_machine_attribute_t;
71
72#define MATTR_CACHE 1 /* cachability */
73#define MATTR_MIGRATE 2 /* migrability */
74#define MATTR_REPLICATE 4 /* replicability */
75
76/*
77 * Values for the above, e.g. operations on attribute
78 */
79typedef int vm_machine_attribute_val_t;
80
81#define MATTR_VAL_OFF 0 /* (generic) turn attribute off */
82#define MATTR_VAL_ON 1 /* (generic) turn attribute on */
83#define MATTR_VAL_GET 2 /* (generic) return current value */
84
85#define MATTR_VAL_CACHE_FLUSH 6 /* flush from all caches */
86#define MATTR_VAL_DCACHE_FLUSH 7 /* flush from data caches */
87#define MATTR_VAL_ICACHE_FLUSH 8 /* flush from instruction caches */
88#define MATTR_VAL_CACHE_SYNC 9 /* sync I+D caches */
89#define MATTR_VAL_CACHE_SYNC 9 /* sync I+D caches */
90
91#define MATTR_VAL_GET_INFO 10 /* get page info (stats) */
92
93#endif /* _MACH_VM_ATTRIBUTES_H_ */