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138 lines
2.8 KiB
C
138 lines
2.8 KiB
C
/*++ NDK Version: 0098
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Copyright (c) Alex Ionescu. All rights reserved.
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Header Name:
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cctypes.h
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Abstract:
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Type definitions for the Cache Controller.
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Author:
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Alex Ionescu (alexi@tinykrnl.org) - Updated - 27-Feb-2006
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--*/
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#ifndef _CCTYPES_H
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#define _CCTYPES_H
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//
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// Dependencies
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//
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#include <umtypes.h>
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#ifndef NTOS_MODE_USER
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//
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// Kernel Exported CcData
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//
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extern ULONG NTSYSAPI CcFastReadNotPossible;
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extern ULONG NTSYSAPI CcFastReadWait;
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extern ULONG NTSYSAPI CcFastReadResourceMiss;
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extern ULONG NTSYSAPI CcFastReadNoWait;
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extern ULONG NTSYSAPI CcFastMdlReadNotPossible;
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//
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// Virtual Address Control BLock
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//
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typedef struct _VACB
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{
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PVOID BaseAddress;
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struct _SHARED_CACHE_MAP *SharedCacheMap;
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union
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{
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LARGE_INTEGER FileOffset;
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USHORT ActiveCount;
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} Overlay;
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LIST_ENTRY LruList;
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} VACB, *PVACB;
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//
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// Private Cache Map Structure and Flags
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//
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typedef struct _PRIVATE_CACHE_MAP_FLAGS
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{
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ULONG DontUse:16;
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ULONG ReadAheadActive:1;
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ULONG ReadAheadEnabled:1;
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ULONG Available:14;
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} PRIVATE_CACHE_MAP_FLAGS;
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typedef struct _PRIVATE_CACHE_MAP
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{
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union
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{
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CSHORT NodeTypeCode;
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PRIVATE_CACHE_MAP_FLAGS Flags;
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ULONG UlongFlags;
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};
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ULONG ReadAheadMask;
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PFILE_OBJECT FileObject;
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LARGE_INTEGER FileOffset1;
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LARGE_INTEGER BeyondLastByte1;
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LARGE_INTEGER FileOffset2;
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LARGE_INTEGER BeyondLastByte2;
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LARGE_INTEGER ReadAheadOffset[2];
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ULONG ReadAheadLength[2];
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KSPIN_LOCK ReadAheadSpinLock;
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LIST_ENTRY PrivateLinks;
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} PRIVATE_CACHE_MAP, *PPRIVATE_CACHE_MAP;
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#ifdef _NTIFS_INCLUDED_
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//
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// Shared Cache Map
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//
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typedef struct _SHARED_CACHE_MAP
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{
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SHORT NodeTypeCode;
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SHORT NodeByteSize;
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ULONG OpenCount;
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LARGE_INTEGER FileSize;
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LIST_ENTRY BcbList;
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LARGE_INTEGER SectionSize;
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LARGE_INTEGER ValidDataLength;
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LARGE_INTEGER ValidDataGoal;
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PVACB InitialVacbs[4];
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PVACB *Vacbs;
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PFILE_OBJECT FileObject;
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PVACB ActiveVacb;
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PVOID NeedToZero;
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ULONG ActivePage;
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ULONG NeedToZeroPage;
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ULONG ActiveVacbSpinLock;
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ULONG VacbActiveCount;
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ULONG DirtyPages;
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LIST_ENTRY SharedCacheMapLinks;
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ULONG Flags;
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ULONG Status;
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PMBCB Mbcb;
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PVOID Section;
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PKEVENT CreateEvent;
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PKEVENT WaitOnActiveCount;
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ULONG PagesToWrite;
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LONGLONG BeyondLastFlush;
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PCACHE_MANAGER_CALLBACKS Callbacks;
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PVOID LazyWriteContext;
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LIST_ENTRY PrivateList;
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PVOID LogHandle;
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PVOID FlushToLsnRoutine;
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ULONG DirtyPageThreshold;
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ULONG LazyWritePassCount;
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PCACHE_UNINITIALIZE_EVENT UninitializeEvent;
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PVACB NeedToZeroVacb;
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ULONG BcbSpinLock;
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PVOID Reserved;
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KEVENT Event;
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EX_PUSH_LOCK VacbPushLock;
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PRIVATE_CACHE_MAP PrivateCacheMap;
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} SHARED_CACHE_MAP, *PSHARED_CACHE_MAP;
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#endif /* _NTIFS_INCLUDED_ */
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#endif /* NTOS_MODE_USER */
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#endif /* _CCTYPES_H */
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