reactos/include/ddk/cctypes.h

   1 #ifndef __INCLUDE_DDK_CCTYPES_H
   2 #define __INCLUDE_DDK_CCTYPES_H
   3
   4 typedef struct _CCB
   5 {
   6    ULONG BlockNr;
   7    PVOID Buffer;
   8    ULONG State;
   9    ULONG ActiveReaders;
  10    BOOLEAN WriteInProgress;
  11    BOOLEAN ActiveWriter;
  12    ULONG References;
  13    KEVENT FinishedNotify;
  14    KSPIN_LOCK Lock;
  15    BOOLEAN Modified;
  16    LIST_ENTRY Entry;
  17 } CCB, *PCCB;
  18
  19 enum
  20 {
  21    CCB_INVALID,
  22    CCB_NOT_CACHED,
  23    CCB_CACHED,
  24    CCB_DELETE_PENDING,
  25 };
  26
  27 typedef struct _DCCB
  28 /*
  29  * PURPOSE: Device cache control block
  30  */
  31 {
  32    PCCB* HashTbl;
  33    ULONG HashTblSize;
  34    KSPIN_LOCK HashTblLock;
  35    PDEVICE_OBJECT DeviceObject;
  36    ULONG SectorSize;
  37    LIST_ENTRY CcbListHead;
  38    KSPIN_LOCK CcbListLock;
  39    ULONG NrCcbs;
  40    ULONG NrModifiedCcbs;
  41 } DCCB, *PDCCB;
  42
  43 #endif /* __INCLUDE_DDK_CCTYPES_H */