include/xdk/cctypes.h

   1 $if (_NTIFS_)
   2 /* Common Cache Types */
   3
   4 #define VACB_MAPPING_GRANULARITY        (0x40000)
   5 #define VACB_OFFSET_SHIFT               (18)
   6
   7 typedef struct _PUBLIC_BCB {
   8   CSHORT NodeTypeCode;
   9   CSHORT NodeByteSize;
  10   ULONG MappedLength;
  11   LARGE_INTEGER MappedFileOffset;
  12 } PUBLIC_BCB, *PPUBLIC_BCB;
  13
  14 typedef struct _CC_FILE_SIZES {
  15   LARGE_INTEGER AllocationSize;
  16   LARGE_INTEGER FileSize;
  17   LARGE_INTEGER ValidDataLength;
  18 } CC_FILE_SIZES, *PCC_FILE_SIZES;
  19
  20 typedef BOOLEAN
  21 (NTAPI *PACQUIRE_FOR_LAZY_WRITE) (
  22   IN PVOID Context,
  23   IN BOOLEAN Wait);
  24
  25 typedef VOID
  26 (NTAPI *PRELEASE_FROM_LAZY_WRITE) (
  27   IN PVOID Context);
  28
  29 typedef BOOLEAN
  30 (NTAPI *PACQUIRE_FOR_READ_AHEAD) (
  31   IN PVOID Context,
  32   IN BOOLEAN Wait);
  33
  34 typedef VOID
  35 (NTAPI *PRELEASE_FROM_READ_AHEAD) (
  36   IN PVOID Context);
  37
  38 typedef struct _CACHE_MANAGER_CALLBACKS {
  39   PACQUIRE_FOR_LAZY_WRITE AcquireForLazyWrite;
  40   PRELEASE_FROM_LAZY_WRITE ReleaseFromLazyWrite;
  41   PACQUIRE_FOR_READ_AHEAD AcquireForReadAhead;
  42   PRELEASE_FROM_READ_AHEAD ReleaseFromReadAhead;
  43 } CACHE_MANAGER_CALLBACKS, *PCACHE_MANAGER_CALLBACKS;
  44
  45 typedef struct _CACHE_UNINITIALIZE_EVENT {
  46   struct _CACHE_UNINITIALIZE_EVENT *Next;
  47   KEVENT Event;
  48 } CACHE_UNINITIALIZE_EVENT, *PCACHE_UNINITIALIZE_EVENT;
  49
  50 typedef VOID
  51 (NTAPI *PDIRTY_PAGE_ROUTINE) (
  52   IN PFILE_OBJECT FileObject,
  53   IN PLARGE_INTEGER FileOffset,
  54   IN ULONG Length,
  55   IN PLARGE_INTEGER OldestLsn,
  56   IN PLARGE_INTEGER NewestLsn,
  57   IN PVOID Context1,
  58   IN PVOID Context2);
  59
  60 typedef VOID
  61 (NTAPI *PFLUSH_TO_LSN) (
  62   IN PVOID LogHandle,
  63   IN LARGE_INTEGER Lsn);
  64
  65 typedef VOID
  66 (NTAPI *PCC_POST_DEFERRED_WRITE) (
  67   IN PVOID Context1,
  68   IN PVOID Context2);
  69
  70 #define UNINITIALIZE_CACHE_MAPS          (1)
  71 #define DO_NOT_RETRY_PURGE               (2)
  72 #define DO_NOT_PURGE_DIRTY_PAGES         (0x4)
  73
  74 #define CC_FLUSH_AND_PURGE_NO_PURGE     (0x1)
  75 $endif (_NTIFS_)