/******************************************************************************
 *                         Memory manager Types                               *
 ******************************************************************************/

#define MM_DONT_ZERO_ALLOCATION                 0x00000001
#define MM_ALLOCATE_FROM_LOCAL_NODE_ONLY        0x00000002
#define MM_ALLOCATE_FULLY_REQUIRED              0x00000004
#define MM_ALLOCATE_NO_WAIT                     0x00000008
#define MM_ALLOCATE_PREFER_CONTIGUOUS           0x00000010
#define MM_ALLOCATE_REQUIRE_CONTIGUOUS_CHUNKS   0x00000020

#define MDL_MAPPED_TO_SYSTEM_VA     0x0001
#define MDL_PAGES_LOCKED            0x0002
#define MDL_SOURCE_IS_NONPAGED_POOL 0x0004
#define MDL_ALLOCATED_FIXED_SIZE    0x0008
#define MDL_PARTIAL                 0x0010
#define MDL_PARTIAL_HAS_BEEN_MAPPED 0x0020
#define MDL_IO_PAGE_READ            0x0040
#define MDL_WRITE_OPERATION         0x0080
#define MDL_PARENT_MAPPED_SYSTEM_VA 0x0100
#define MDL_FREE_EXTRA_PTES         0x0200
#define MDL_DESCRIBES_AWE           0x0400
#define MDL_IO_SPACE                0x0800
#define MDL_NETWORK_HEADER          0x1000
#define MDL_MAPPING_CAN_FAIL        0x2000
#define MDL_ALLOCATED_MUST_SUCCEED  0x4000
#define MDL_INTERNAL                0x8000

#define MDL_MAPPING_FLAGS ( \
  MDL_MAPPED_TO_SYSTEM_VA     | \
  MDL_PAGES_LOCKED            | \
  MDL_SOURCE_IS_NONPAGED_POOL | \
  MDL_PARTIAL_HAS_BEEN_MAPPED | \
  MDL_PARENT_MAPPED_SYSTEM_VA | \
  MDL_SYSTEM_VA               | \
  MDL_IO_SPACE)

#define FLUSH_MULTIPLE_MAXIMUM 32

/* Section access rights */
#define SECTION_QUERY                0x0001
#define SECTION_MAP_WRITE            0x0002
#define SECTION_MAP_READ             0x0004
#define SECTION_MAP_EXECUTE          0x0008
#define SECTION_EXTEND_SIZE          0x0010
#define SECTION_MAP_EXECUTE_EXPLICIT 0x0020

#define SECTION_ALL_ACCESS (STANDARD_RIGHTS_REQUIRED|SECTION_QUERY|\
                            SECTION_MAP_WRITE |      \
                            SECTION_MAP_READ |       \
                            SECTION_MAP_EXECUTE |    \
                            SECTION_EXTEND_SIZE)

#define SESSION_QUERY_ACCESS  0x0001
#define SESSION_MODIFY_ACCESS 0x0002

#define SESSION_ALL_ACCESS (STANDARD_RIGHTS_REQUIRED |  \
                            SESSION_QUERY_ACCESS |             \
                            SESSION_MODIFY_ACCESS)

#define SEGMENT_ALL_ACCESS SECTION_ALL_ACCESS

#define PAGE_NOACCESS          0x01
#define PAGE_READONLY          0x02
#define PAGE_READWRITE         0x04
#define PAGE_WRITECOPY         0x08
#define PAGE_EXECUTE           0x10
#define PAGE_EXECUTE_READ      0x20
#define PAGE_EXECUTE_READWRITE 0x40
#define PAGE_EXECUTE_WRITECOPY 0x80
#define PAGE_GUARD            0x100
#define PAGE_NOCACHE          0x200
#define PAGE_WRITECOMBINE     0x400

#define MEM_COMMIT           0x1000
#define MEM_RESERVE          0x2000
#define MEM_DECOMMIT         0x4000
#define MEM_RELEASE          0x8000
#define MEM_FREE            0x10000
#define MEM_PRIVATE         0x20000
#define MEM_MAPPED          0x40000
#define MEM_RESET           0x80000
#define MEM_TOP_DOWN       0x100000
#define MEM_LARGE_PAGES  0x20000000
#define MEM_4MB_PAGES    0x80000000

#define SEC_RESERVE       0x4000000
#define SEC_COMMIT        0x8000000
#define SEC_LARGE_PAGES  0x80000000

/* Section map options */
typedef enum _SECTION_INHERIT {
    ViewShare = 1,
    ViewUnmap = 2
} SECTION_INHERIT;

typedef ULONG PFN_COUNT;
typedef LONG_PTR SPFN_NUMBER, *PSPFN_NUMBER;
typedef ULONG_PTR PFN_NUMBER, *PPFN_NUMBER;

typedef struct _MDL {
    struct _MDL *Next;
    CSHORT Size;
    CSHORT MdlFlags;
    struct _EPROCESS *Process;
    PVOID MappedSystemVa;
    PVOID StartVa;
    ULONG ByteCount;
    ULONG ByteOffset;
} MDL, *PMDL;
typedef MDL *PMDLX;

typedef enum _MEMORY_CACHING_TYPE_ORIG {
  MmFrameBufferCached = 2
} MEMORY_CACHING_TYPE_ORIG;

typedef enum _MEMORY_CACHING_TYPE {
  MmNonCached = FALSE,
  MmCached = TRUE,
  MmWriteCombined = MmFrameBufferCached,
  MmHardwareCoherentCached,
  MmNonCachedUnordered,
  MmUSWCCached,
  MmMaximumCacheType
} MEMORY_CACHING_TYPE;

typedef enum _MM_PAGE_PRIORITY {
  LowPagePriority,
  NormalPagePriority = 16,
  HighPagePriority = 32
} MM_PAGE_PRIORITY;

typedef enum _LOCK_OPERATION {
  IoReadAccess,
  IoWriteAccess,
  IoModifyAccess
} LOCK_OPERATION;

typedef enum _MM_SYSTEM_SIZE {
  MmSmallSystem,
  MmMediumSystem,
  MmLargeSystem
} MM_SYSTEMSIZE;