xref: /xnu-8796.141.3/osfmk/vm/vm_external.h (revision 1b191cb58250d0705d8a51287127505aa4bc0789)
1*1b191cb5SApple OSS Distributions /*
2*1b191cb5SApple OSS Distributions  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3*1b191cb5SApple OSS Distributions  *
4*1b191cb5SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*1b191cb5SApple OSS Distributions  *
6*1b191cb5SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*1b191cb5SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*1b191cb5SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*1b191cb5SApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*1b191cb5SApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*1b191cb5SApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*1b191cb5SApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*1b191cb5SApple OSS Distributions  * terms of an Apple operating system software license agreement.
14*1b191cb5SApple OSS Distributions  *
15*1b191cb5SApple OSS Distributions  * Please obtain a copy of the License at
16*1b191cb5SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*1b191cb5SApple OSS Distributions  *
18*1b191cb5SApple OSS Distributions  * The Original Code and all software distributed under the License are
19*1b191cb5SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*1b191cb5SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*1b191cb5SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*1b191cb5SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*1b191cb5SApple OSS Distributions  * Please see the License for the specific language governing rights and
24*1b191cb5SApple OSS Distributions  * limitations under the License.
25*1b191cb5SApple OSS Distributions  *
26*1b191cb5SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*1b191cb5SApple OSS Distributions  */
28*1b191cb5SApple OSS Distributions /*
29*1b191cb5SApple OSS Distributions  * @OSF_COPYRIGHT@
30*1b191cb5SApple OSS Distributions  */
31*1b191cb5SApple OSS Distributions /*
32*1b191cb5SApple OSS Distributions  * Mach Operating System
33*1b191cb5SApple OSS Distributions  * Copyright (c) 1991,1990,1989 Carnegie Mellon University
34*1b191cb5SApple OSS Distributions  * All Rights Reserved.
35*1b191cb5SApple OSS Distributions  *
36*1b191cb5SApple OSS Distributions  * Permission to use, copy, modify and distribute this software and its
37*1b191cb5SApple OSS Distributions  * documentation is hereby granted, provided that both the copyright
38*1b191cb5SApple OSS Distributions  * notice and this permission notice appear in all copies of the
39*1b191cb5SApple OSS Distributions  * software, derivative works or modified versions, and any portions
40*1b191cb5SApple OSS Distributions  * thereof, and that both notices appear in supporting documentation.
41*1b191cb5SApple OSS Distributions  *
42*1b191cb5SApple OSS Distributions  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
43*1b191cb5SApple OSS Distributions  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
44*1b191cb5SApple OSS Distributions  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
45*1b191cb5SApple OSS Distributions  *
46*1b191cb5SApple OSS Distributions  * Carnegie Mellon requests users of this software to return to
47*1b191cb5SApple OSS Distributions  *
48*1b191cb5SApple OSS Distributions  *  Software Distribution Coordinator  or  [email protected]
49*1b191cb5SApple OSS Distributions  *  School of Computer Science
50*1b191cb5SApple OSS Distributions  *  Carnegie Mellon University
51*1b191cb5SApple OSS Distributions  *  Pittsburgh PA 15213-3890
52*1b191cb5SApple OSS Distributions  *
53*1b191cb5SApple OSS Distributions  * any improvements or extensions that they make and grant Carnegie Mellon
54*1b191cb5SApple OSS Distributions  * the rights to redistribute these changes.
55*1b191cb5SApple OSS Distributions  */
56*1b191cb5SApple OSS Distributions /*
57*1b191cb5SApple OSS Distributions  */
58*1b191cb5SApple OSS Distributions 
59*1b191cb5SApple OSS Distributions #ifndef VM_VM_EXTERNAL_H_
60*1b191cb5SApple OSS Distributions #define VM_VM_EXTERNAL_H_
61*1b191cb5SApple OSS Distributions 
62*1b191cb5SApple OSS Distributions #include <mach/boolean.h>
63*1b191cb5SApple OSS Distributions #include <mach/vm_types.h>
64*1b191cb5SApple OSS Distributions #include <mach/machine/vm_types.h>
65*1b191cb5SApple OSS Distributions 
66*1b191cb5SApple OSS Distributions /*
67*1b191cb5SApple OSS Distributions  *	The states that may be recorded for a page of external storage.
68*1b191cb5SApple OSS Distributions  */
69*1b191cb5SApple OSS Distributions 
70*1b191cb5SApple OSS Distributions typedef int     vm_external_state_t;
71*1b191cb5SApple OSS Distributions #define VM_EXTERNAL_STATE_EXISTS                1
72*1b191cb5SApple OSS Distributions #define VM_EXTERNAL_STATE_UNKNOWN               2
73*1b191cb5SApple OSS Distributions #define VM_EXTERNAL_STATE_ABSENT                3
74*1b191cb5SApple OSS Distributions 
75*1b191cb5SApple OSS Distributions #endif  /* VM_VM_EXTERNAL_H_ */
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