1/*
2 * Copyright (c) 2000-2002 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: mach/vm_attributes.h
60 * Author: Alessandro Forin
61 *
62 * Virtual memory attributes definitions.
63 *
64 * These definitions are in addition to the machine-independent
65 * ones (e.g. protection), and are only selectively supported
66 * on specific machine architectures.
67 *
68 */
69
70#ifndef _MACH_VM_ATTRIBUTES_H_
71#define _MACH_VM_ATTRIBUTES_H_
72
73/*
74 * Types of machine-dependent attributes
75 */
76typedef unsigned int vm_machine_attribute_t;
77
78#define MATTR_CACHE 1 /* cachability */
79#define MATTR_MIGRATE 2 /* migrability */
80#define MATTR_REPLICATE 4 /* replicability */
81
82/*
83 * Values for the above, e.g. operations on attribute
84 */
85typedef int vm_machine_attribute_val_t;
86
87#define MATTR_VAL_OFF 0 /* (generic) turn attribute off */
88#define MATTR_VAL_ON 1 /* (generic) turn attribute on */
89#define MATTR_VAL_GET 2 /* (generic) return current value */
90
91#define MATTR_VAL_CACHE_FLUSH 6 /* flush from all caches */
92#define MATTR_VAL_DCACHE_FLUSH 7 /* flush from data caches */
93#define MATTR_VAL_ICACHE_FLUSH 8 /* flush from instruction caches */
94#define MATTR_VAL_CACHE_SYNC 9 /* sync I+D caches */
95#define MATTR_VAL_CACHE_SYNC 9 /* sync I+D caches */
96
97#define MATTR_VAL_GET_INFO 10 /* get page info (stats) */
98
99#endif /* _MACH_VM_ATTRIBUTES_H_ */
100