reactos/include/ddk/mmtypes.h

   1 #ifndef _INCLUDE_DDK_MMTYPES_H
   2 #define _INCLUDE_DDK_MMTYPES_H
   3 /* $Id: mmtypes.h,v 1.4 2000/04/02 13:32:38 ea Exp $ */
   4
   5
   6 typedef struct _MADDRESS_SPACE
   7 {
   8    LIST_ENTRY MAreaListHead;
   9    KMUTEX Lock;
  10    ULONG LowestAddress;
  11 } MADDRESS_SPACE, *PMADDRESS_SPACE;
  12
  13 #define   MDL_MAPPED_TO_SYSTEM_VA      (0x1)
  14 #define   MDL_PAGES_LOCKED             (0x2)
  15 #define   MDL_SOURCE_IS_NONPAGED_POOL  (0x4)
  16 #define   MDL_ALLOCATED_FIXED_SIZE     (0x8)
  17 #define   MDL_PARTIAL                  (0x10)
  18 #define   MDL_PARTIAL_HAS_BEEN_MAPPED  (0x20)
  19 #define   MDL_IO_PAGE_READ             (0x40)
  20 #define   MDL_WRITE_OPERATION          (0x80)
  21 #define   MDL_PARENT_MAPPED_SYSTEM_VA  (0x100)
  22 #define   MDL_LOCK_HELD                (0x200)
  23 #define   MDL_SCATTER_GATHER_VA        (0x400)
  24 #define   MDL_IO_SPACE                 (0x800)
  25 #define   MDL_NETWORK_HEADER           (0x1000)
  26 #define   MDL_MAPPING_CAN_FAIL         (0x2000)
  27 #define   MDL_ALLOCATED_MUST_SUCCEED   (0x4000)
  28 #define   MDL_64_BIT_VA                (0x8000)
  29
  30
  31 typedef struct _MDL
  32 /*
  33  * PURPOSE: Describes a user buffer passed to a system API
  34  */
  35 {
  36    struct _MDL* Next;
  37    CSHORT Size;
  38    CSHORT MdlFlags;
  39    struct _EPROCESS* Process;
  40    PVOID MappedSystemVa;
  41    PVOID StartVa;
  42    ULONG ByteCount;
  43    ULONG ByteOffset;
  44 } MDL, *PMDL;
  45
  46 #define MmSmallSystem (0)
  47 #define MmMediumSystem (1)
  48 #define MmLargeSystem (2)
  49 /* Used in MmFlushImageSection */
  50 typedef
  51 enum _MMFLUSH_TYPE
  52 {
  53         MmFlushForDelete,
  54         MmFlushForWrite
  55
  56 } MMFLUSH_TYPE;
  57
  58 typedef
  59 enum _MEMORY_CACHING_TYPE
  60 {
  61         MmNonCached = FALSE,
  62         MmCached = TRUE,
  63         MmFrameBufferCached,
  64         MmHardwareCoherentCached,
  65         MmMaximumCacheType
  66
  67 } MEMORY_CACHING_TYPE;
  68
  69 #endif