1/*
2 * Copyright (c) 1998-2021 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,
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23 * Please see the License for the specific language governing rights and
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27 */
28
29#ifndef __IOKIT_IOMAPTYPES_H
30#define __IOKIT_IOMAPTYPES_H
31
32// IOConnectMapMemory memoryTypes
33enum {
34 kIODefaultMemoryType = 0
35};
36
37enum {
38 kIODefaultCache = 0,
39 kIOInhibitCache = 1,
40 kIOWriteThruCache = 2,
41 kIOCopybackCache = 3,
42 kIOWriteCombineCache = 4,
43 kIOCopybackInnerCache = 5,
44 kIOPostedWrite = 6,
45 kIORealTimeCache = 7,
46 kIOPostedReordered = 8,
47 kIOPostedCombinedReordered = 9,
48};
49
50// IOMemory mapping options
51enum {
52 kIOMapAnywhere = 0x00000001,
53
54 kIOMapCacheMask = 0x00000f00,
55 kIOMapCacheShift = 8,
56 kIOMapDefaultCache = kIODefaultCache << kIOMapCacheShift,
57 kIOMapInhibitCache = kIOInhibitCache << kIOMapCacheShift,
58 kIOMapWriteThruCache = kIOWriteThruCache << kIOMapCacheShift,
59 kIOMapCopybackCache = kIOCopybackCache << kIOMapCacheShift,
60 kIOMapWriteCombineCache = kIOWriteCombineCache << kIOMapCacheShift,
61 kIOMapCopybackInnerCache = kIOCopybackInnerCache << kIOMapCacheShift,
62 kIOMapPostedWrite = kIOPostedWrite << kIOMapCacheShift,
63 kIOMapRealTimeCache = kIORealTimeCache << kIOMapCacheShift,
64 kIOMapPostedReordered = kIOPostedReordered << kIOMapCacheShift,
65 kIOMapPostedCombinedReordered = kIOPostedCombinedReordered << kIOMapCacheShift,
66
67 kIOMapUserOptionsMask = 0x00000fff,
68
69 kIOMapReadOnly = 0x00001000,
70
71 kIOMapStatic = 0x01000000,
72 kIOMapReference = 0x02000000,
73 kIOMapUnique = 0x04000000,
74#ifdef XNU_KERNEL_PRIVATE
75 kIOMap64Bit = 0x08000000,
76#endif
77 kIOMapPrefault = 0x10000000,
78 kIOMapOverwrite = 0x20000000,
79 kIOMapGuardedMask = 0xC0000000,
80 kIOMapGuardedSmall = 0x40000000,
81 kIOMapGuardedLarge = 0x80000000
82};
83
84#endif /* ! __IOKIT_IOMAPTYPES_H */
85