Git conversion: Make reactos the root directory, move rosapps, rostests, wallpapers into modules, and delete rossubsys.

ntoskrnl/cache/newcc.h

@@ -0,0 +1,164 @@
+#pragma once
+
+typedef struct _NOCC_BCB
+{
+    /* Public part */
+    PUBLIC_BCB Bcb;
+
+    struct _NOCC_CACHE_MAP *Map;
+    PROS_SECTION_OBJECT SectionObject;
+    LARGE_INTEGER FileOffset;
+    ULONG Length;
+    PVOID BaseAddress;
+    BOOLEAN Dirty;
+    PVOID OwnerPointer;
+
+    /* Reference counts */
+    ULONG RefCount;
+
+    LIST_ENTRY ThisFileList;
+
+    KEVENT ExclusiveWait;
+    ULONG ExclusiveWaiter;
+    BOOLEAN Exclusive;
+} NOCC_BCB, *PNOCC_BCB;
+
+typedef struct _NOCC_CACHE_MAP
+{
+    LIST_ENTRY Entry;
+    LIST_ENTRY AssociatedBcb;
+    LIST_ENTRY PrivateCacheMaps;
+    ULONG NumberOfMaps;
+    ULONG RefCount;
+    CC_FILE_SIZES FileSizes;
+    CACHE_MANAGER_CALLBACKS Callbacks;
+    PVOID LazyContext;
+    PVOID LogHandle;
+    PFLUSH_TO_LSN FlushToLsn;
+    ULONG ReadAheadGranularity;
+} NOCC_CACHE_MAP, *PNOCC_CACHE_MAP;
+
+VOID
+NTAPI
+CcPfInitializePrefetcher(VOID);
+
+VOID
+NTAPI
+CcMdlReadComplete2(IN PFILE_OBJECT FileObject,
+                   IN PMDL MemoryDescriptorList);
+
+VOID
+NTAPI
+CcMdlWriteComplete2(IN PFILE_OBJECT FileObject,
+                    IN PLARGE_INTEGER FileOffset,
+                    IN PMDL MdlChain);
+
+VOID
+NTAPI
+CcInitView(VOID);
+
+BOOLEAN
+NTAPI
+CcpUnpinData(PNOCC_BCB Bcb,
+             BOOLEAN ActuallyRelease);
+
+BOOLEAN
+NTAPI
+CcInitializeCacheManager(VOID);
+
+VOID
+NTAPI
+CcShutdownSystem(VOID);
+
+VOID
+NTAPI
+CcInitCacheZeroPage(VOID);
+
+/* Called by section.c */
+BOOLEAN
+NTAPI
+CcFlushImageSection(PSECTION_OBJECT_POINTERS SectionObjectPointer,
+                    MMFLUSH_TYPE FlushType);
+
+VOID
+NTAPI
+_CcpFlushCache(IN PNOCC_CACHE_MAP Map,
+               IN OPTIONAL PLARGE_INTEGER FileOffset,
+               IN ULONG Length,
+               OUT OPTIONAL PIO_STATUS_BLOCK IoStatus,
+               BOOLEAN Delete,
+               const char *File,
+               int Line);
+
+#define CcpFlushCache(M,F,L,I,D) _CcpFlushCache(M,F,L,I,D,__FILE__,__LINE__)
+
+BOOLEAN
+NTAPI
+CcGetFileSizes(PFILE_OBJECT FileObject,
+               PCC_FILE_SIZES FileSizes);
+
+ULONG
+NTAPI
+CcpCountCacheSections(PNOCC_CACHE_MAP Map);
+
+BOOLEAN
+NTAPI
+CcpAcquireFileLock(PNOCC_CACHE_MAP Map);
+
+VOID
+NTAPI
+CcpReleaseFileLock(PNOCC_CACHE_MAP Map);
+
+/*
+ * Macro for generic cache manage bugchecking. Note that this macro assumes
+ * that the file name including extension is always longer than 4 characters.
+ */
+#define KEBUGCHECKCC \
+    KEBUGCHECKEX(CACHE_MANAGER, \
+    (*(ULONG*)(__FILE__ + sizeof(__FILE__) - 4) << 16) | \
+    (__LINE__ & 0xFFFF), 0, 0, 0)
+
+/* Private data */
+
+#define CACHE_SINGLE_FILE_MAX (16)
+#define CACHE_OVERALL_SIZE    (32 * 1024 * 1024)
+#define CACHE_STRIPE          VACB_MAPPING_GRANULARITY
+#define CACHE_SHIFT           18
+#define CACHE_NUM_SECTIONS    (CACHE_OVERALL_SIZE / CACHE_STRIPE)
+#define CACHE_ROUND_UP(x)     (((x) + (CACHE_STRIPE-1)) & ~(CACHE_STRIPE-1))
+#define CACHE_ROUND_DOWN(x)   ((x) & ~(CACHE_STRIPE-1))
+#define INVALID_CACHE         ((ULONG)~0)
+
+extern NOCC_BCB CcCacheSections[CACHE_NUM_SECTIONS];
+extern PRTL_BITMAP CcCacheBitmap;
+extern FAST_MUTEX CcMutex;
+extern KEVENT CcDeleteEvent;
+extern ULONG CcCacheClockHand;
+extern LIST_ENTRY CcPendingUnmap;
+extern KEVENT CcpLazyWriteEvent;
+
+#define CcpLock() _CcpLock(__FILE__,__LINE__)
+#define CcpUnlock() _CcpUnlock(__FILE__,__LINE__)
+
+extern VOID _CcpLock(const char *file, int line);
+extern VOID _CcpUnlock(const char *file, int line);
+
+extern VOID CcpReferenceCache(ULONG Sector);
+extern VOID CcpDereferenceCache(ULONG Sector, BOOLEAN Immediate);
+
+BOOLEAN
+NTAPI
+CcpMapData(IN PFILE_OBJECT FileObject,
+           IN PLARGE_INTEGER FileOffset,
+           IN ULONG Length,
+           IN ULONG Flags,
+           OUT PVOID *BcbResult,
+           OUT PVOID *Buffer);
+
+BOOLEAN
+NTAPI
+CcpPinMappedData(IN PNOCC_CACHE_MAP Map,
+                 IN PLARGE_INTEGER FileOffset,
+                 IN ULONG Length,
+                 IN ULONG Flags,
+                 IN OUT PVOID *Bcb);