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