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, |
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 | #ifndef __IOKIT_IOMAPTYPES_H |
30 | #define __IOKIT_IOMAPTYPES_H |
31 | |
32 | // IOConnectMapMemory memoryTypes |
33 | enum { |
34 | kIODefaultMemoryType = 0 |
35 | }; |
36 | |
37 | enum { |
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 |
51 | enum { |
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 | |