/*
* Copyright (c) 1998-2021 Apple Computer, Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. The rights granted to you under the License
* may not be used to create, or enable the creation or redistribution of,
* unlawful or unlicensed copies of an Apple operating system, or to
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* terms of an Apple operating system software license agreement.
*
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
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*/
#ifndef __IOKIT_IOMAPTYPES_H
#define __IOKIT_IOMAPTYPES_H
// IOConnectMapMemory memoryTypes
enum {
kIODefaultMemoryType = 0
};
enum {
kIODefaultCache = 0,
kIOInhibitCache = 1,
kIOWriteThruCache = 2,
kIOCopybackCache = 3,
kIOWriteCombineCache = 4,
kIOCopybackInnerCache = 5,
kIOPostedWrite = 6,
kIORealTimeCache = 7,
kIOPostedReordered = 8,
kIOPostedCombinedReordered = 9,
};
// IOMemory mapping options
enum {
kIOMapAnywhere = 0x00000001,
kIOMapCacheMask = 0x00000f00,
kIOMapCacheShift = 8,
kIOMapDefaultCache = kIODefaultCache << kIOMapCacheShift,
kIOMapInhibitCache = kIOInhibitCache << kIOMapCacheShift,
kIOMapWriteThruCache = kIOWriteThruCache << kIOMapCacheShift,
kIOMapCopybackCache = kIOCopybackCache << kIOMapCacheShift,
kIOMapWriteCombineCache = kIOWriteCombineCache << kIOMapCacheShift,
kIOMapCopybackInnerCache = kIOCopybackInnerCache << kIOMapCacheShift,
kIOMapPostedWrite = kIOPostedWrite << kIOMapCacheShift,
kIOMapRealTimeCache = kIORealTimeCache << kIOMapCacheShift,
kIOMapPostedReordered = kIOPostedReordered << kIOMapCacheShift,
kIOMapPostedCombinedReordered = kIOPostedCombinedReordered << kIOMapCacheShift,
kIOMapUserOptionsMask = 0x00000fff,
kIOMapReadOnly = 0x00001000,
kIOMapStatic = 0x01000000,
kIOMapReference = 0x02000000,
kIOMapUnique = 0x04000000,
#ifdef XNU_KERNEL_PRIVATE
kIOMap64Bit = 0x08000000,
#endif
kIOMapPrefault = 0x10000000,
kIOMapOverwrite = 0x20000000,
kIOMapGuardedMask = 0xC0000000,
kIOMapGuardedSmall = 0x40000000,
kIOMapGuardedLarge = 0x80000000
};
#endif /* ! __IOKIT_IOMAPTYPES_H */