[ros-diffs] [akhaldi] 45723: - Move more stuff to wdm.h - Add VPB_DIRECT_WRITES_ALLOWED, several missing FILE_CHARACTERISTIC_* and several missing FILE_DEVICE_* - Fix _DEVICE_RELATION_TYPE - Improve _DEVICE_OBJECT and _SCATTER_GATHER_LIST

Author: akhaldi
Date: Sun Feb 28 10:46:46 2010
New Revision: 45723

URL: http://svn.reactos.org/svn/reactos?rev=45723&view=rev
Log:
- Move more stuff to wdm.h
- Add VPB_DIRECT_WRITES_ALLOWED, several missing FILE_CHARACTERISTIC_* and several missing
FILE_DEVICE_*
- Fix _DEVICE_RELATION_TYPE
- Improve _DEVICE_OBJECT and _SCATTER_GATHER_LIST

Modified:
    branches/header-work/include/ddk/wdm.h
    branches/header-work/include/ddk/winddk.h

Modified: branches/header-work/include/ddk/wdm.h
URL:
http://svn.reactos.org/svn/reactos/branches/header-work/include/ddk/wdm.h?r…
==============================================================================
--- branches/header-work/include/ddk/wdm.h [iso-8859-1] (original)
+++ branches/header-work/include/ddk/wdm.h [iso-8859-1] Sun Feb 28 10:46:46 2010
@@ -1535,6 +1535,243 @@
   MaximumDmaSpeed
 } DMA_SPEED, *PDMA_SPEED;
 
+/* DEVICE_DESCRIPTION.Version */
+
+#define DEVICE_DESCRIPTION_VERSION        0x0000
+#define DEVICE_DESCRIPTION_VERSION1       0x0001
+#define DEVICE_DESCRIPTION_VERSION2       0x0002
+
+typedef struct _DEVICE_DESCRIPTION {
+  ULONG  Version;
+  BOOLEAN  Master;
+  BOOLEAN  ScatterGather;
+  BOOLEAN  DemandMode;
+  BOOLEAN  AutoInitialize;
+  BOOLEAN  Dma32BitAddresses;
+  BOOLEAN  IgnoreCount;
+  BOOLEAN  Reserved1;
+  BOOLEAN  Dma64BitAddresses;
+  ULONG  BusNumber;
+  ULONG  DmaChannel;
+  INTERFACE_TYPE  InterfaceType;
+  DMA_WIDTH  DmaWidth;
+  DMA_SPEED  DmaSpeed;
+  ULONG  MaximumLength;
+  ULONG  DmaPort;
+} DEVICE_DESCRIPTION, *PDEVICE_DESCRIPTION;
+
+/* VPB.Flags */
+#define VPB_MOUNTED                       0x0001
+#define VPB_LOCKED                        0x0002
+#define VPB_PERSISTENT                    0x0004
+#define VPB_REMOVE_PENDING                0x0008
+#define VPB_RAW_MOUNT                     0x0010
+#define VPB_DIRECT_WRITES_ALLOWED         0x0020
+
+#define MAXIMUM_VOLUME_LABEL_LENGTH       (32 * sizeof(WCHAR))
+
+typedef struct _VPB {
+  CSHORT  Type;
+  CSHORT  Size;
+  USHORT  Flags;
+  USHORT  VolumeLabelLength;
+  struct _DEVICE_OBJECT  *DeviceObject;
+  struct _DEVICE_OBJECT  *RealDevice;
+  ULONG  SerialNumber;
+  ULONG  ReferenceCount;
+  WCHAR  VolumeLabel[MAXIMUM_VOLUME_LABEL_LENGTH / sizeof(WCHAR)];
+} VPB, *PVPB;
+
+/* DEVICE_OBJECT.Flags */
+
+#define DO_VERIFY_VOLUME                  0x00000002
+#define DO_BUFFERED_IO                    0x00000004
+#define DO_EXCLUSIVE                      0x00000008
+#define DO_DIRECT_IO                      0x00000010
+#define DO_MAP_IO_BUFFER                  0x00000020
+#define DO_DEVICE_INITIALIZING            0x00000080
+#define DO_SHUTDOWN_REGISTERED            0x00000800
+#define DO_BUS_ENUMERATED_DEVICE          0x00001000
+#define DO_POWER_PAGABLE                  0x00002000
+#define DO_POWER_INRUSH                   0x00004000
+
+/* DEVICE_OBJECT.Characteristics */
+
+#define FILE_REMOVABLE_MEDIA              0x00000001
+#define FILE_READ_ONLY_DEVICE             0x00000002
+#define FILE_FLOPPY_DISKETTE              0x00000004
+#define FILE_WRITE_ONCE_MEDIA             0x00000008
+#define FILE_REMOTE_DEVICE                0x00000010
+#define FILE_DEVICE_IS_MOUNTED            0x00000020
+#define FILE_VIRTUAL_VOLUME               0x00000040
+#define FILE_AUTOGENERATED_DEVICE_NAME    0x00000080
+#define FILE_DEVICE_SECURE_OPEN           0x00000100
+#define FILE_CHARACTERISTIC_PNP_DEVICE    0x00000800
+#define FILE_CHARACTERISTIC_TS_DEVICE     0x00001000
+#define FILE_CHARACTERISTIC_WEBDAV_DEVICE 0x00002000
+
+/* DEVICE_OBJECT.AlignmentRequirement */
+
+#define FILE_BYTE_ALIGNMENT             0x00000000
+#define FILE_WORD_ALIGNMENT             0x00000001
+#define FILE_LONG_ALIGNMENT             0x00000003
+#define FILE_QUAD_ALIGNMENT             0x00000007
+#define FILE_OCTA_ALIGNMENT             0x0000000f
+#define FILE_32_BYTE_ALIGNMENT          0x0000001f
+#define FILE_64_BYTE_ALIGNMENT          0x0000003f
+#define FILE_128_BYTE_ALIGNMENT         0x0000007f
+#define FILE_256_BYTE_ALIGNMENT         0x000000ff
+#define FILE_512_BYTE_ALIGNMENT         0x000001ff
+
+/* DEVICE_OBJECT.DeviceType */
+
+#define DEVICE_TYPE ULONG
+
+#define FILE_DEVICE_BEEP                  0x00000001
+#define FILE_DEVICE_CD_ROM                0x00000002
+#define FILE_DEVICE_CD_ROM_FILE_SYSTEM    0x00000003
+#define FILE_DEVICE_CONTROLLER            0x00000004
+#define FILE_DEVICE_DATALINK              0x00000005
+#define FILE_DEVICE_DFS                   0x00000006
+#define FILE_DEVICE_DISK                  0x00000007
+#define FILE_DEVICE_DISK_FILE_SYSTEM      0x00000008
+#define FILE_DEVICE_FILE_SYSTEM           0x00000009
+#define FILE_DEVICE_INPORT_PORT           0x0000000a
+#define FILE_DEVICE_KEYBOARD              0x0000000b
+#define FILE_DEVICE_MAILSLOT              0x0000000c
+#define FILE_DEVICE_MIDI_IN               0x0000000d
+#define FILE_DEVICE_MIDI_OUT              0x0000000e
+#define FILE_DEVICE_MOUSE                 0x0000000f
+#define FILE_DEVICE_MULTI_UNC_PROVIDER    0x00000010
+#define FILE_DEVICE_NAMED_PIPE            0x00000011
+#define FILE_DEVICE_NETWORK               0x00000012
+#define FILE_DEVICE_NETWORK_BROWSER       0x00000013
+#define FILE_DEVICE_NETWORK_FILE_SYSTEM   0x00000014
+#define FILE_DEVICE_NULL                  0x00000015
+#define FILE_DEVICE_PARALLEL_PORT         0x00000016
+#define FILE_DEVICE_PHYSICAL_NETCARD      0x00000017
+#define FILE_DEVICE_PRINTER               0x00000018
+#define FILE_DEVICE_SCANNER               0x00000019
+#define FILE_DEVICE_SERIAL_MOUSE_PORT     0x0000001a
+#define FILE_DEVICE_SERIAL_PORT           0x0000001b
+#define FILE_DEVICE_SCREEN                0x0000001c
+#define FILE_DEVICE_SOUND                 0x0000001d
+#define FILE_DEVICE_STREAMS               0x0000001e
+#define FILE_DEVICE_TAPE                  0x0000001f
+#define FILE_DEVICE_TAPE_FILE_SYSTEM      0x00000020
+#define FILE_DEVICE_TRANSPORT             0x00000021
+#define FILE_DEVICE_UNKNOWN               0x00000022
+#define FILE_DEVICE_VIDEO                 0x00000023
+#define FILE_DEVICE_VIRTUAL_DISK          0x00000024
+#define FILE_DEVICE_WAVE_IN               0x00000025
+#define FILE_DEVICE_WAVE_OUT              0x00000026
+#define FILE_DEVICE_8042_PORT             0x00000027
+#define FILE_DEVICE_NETWORK_REDIRECTOR    0x00000028
+#define FILE_DEVICE_BATTERY               0x00000029
+#define FILE_DEVICE_BUS_EXTENDER          0x0000002a
+#define FILE_DEVICE_MODEM                 0x0000002b
+#define FILE_DEVICE_VDM                   0x0000002c
+#define FILE_DEVICE_MASS_STORAGE          0x0000002d
+#define FILE_DEVICE_SMB                   0x0000002e
+#define FILE_DEVICE_KS                    0x0000002f
+#define FILE_DEVICE_CHANGER               0x00000030
+#define FILE_DEVICE_SMARTCARD             0x00000031
+#define FILE_DEVICE_ACPI                  0x00000032
+#define FILE_DEVICE_DVD                   0x00000033
+#define FILE_DEVICE_FULLSCREEN_VIDEO      0x00000034
+#define FILE_DEVICE_DFS_FILE_SYSTEM       0x00000035
+#define FILE_DEVICE_DFS_VOLUME            0x00000036
+#define FILE_DEVICE_SERENUM               0x00000037
+#define FILE_DEVICE_TERMSRV               0x00000038
+#define FILE_DEVICE_KSEC                  0x00000039
+#define FILE_DEVICE_FIPS                  0x0000003a
+#define FILE_DEVICE_INFINIBAND            0x0000003b
+#define FILE_DEVICE_VMBUS                 0x0000003e
+#define FILE_DEVICE_CRYPT_PROVIDER        0x0000003f
+#define FILE_DEVICE_WPD                   0x00000040
+#define FILE_DEVICE_BLUETOOTH             0x00000041
+#define FILE_DEVICE_MT_COMPOSITE          0x00000042
+#define FILE_DEVICE_MT_TRANSPORT          0x00000043
+#define FILE_DEVICE_BIOMETRIC             0x00000044
+#define FILE_DEVICE_PMI                   0x00000045
+
+typedef struct DECLSPEC_ALIGN(MEMORY_ALLOCATION_ALIGNMENT) _DEVICE_OBJECT {
+  CSHORT  Type;
+  USHORT  Size;
+  LONG  ReferenceCount;
+  struct _DRIVER_OBJECT  *DriverObject;
+  struct _DEVICE_OBJECT  *NextDevice;
+  struct _DEVICE_OBJECT  *AttachedDevice;
+  struct _IRP  *CurrentIrp;
+  PIO_TIMER  Timer;
+  ULONG  Flags;
+  ULONG  Characteristics;
+  volatile PVPB  Vpb;
+  PVOID  DeviceExtension;
+  DEVICE_TYPE  DeviceType;
+  CCHAR  StackSize;
+  union {
+    LIST_ENTRY  ListEntry;
+    WAIT_CONTEXT_BLOCK  Wcb;
+  } Queue;
+  ULONG  AlignmentRequirement;
+  KDEVICE_QUEUE  DeviceQueue;
+  KDPC  Dpc;
+  ULONG  ActiveThreadCount;
+  PSECURITY_DESCRIPTOR  SecurityDescriptor;
+  KEVENT  DeviceLock;
+  USHORT  SectorSize;
+  USHORT  Spare1;
+  struct _DEVOBJ_EXTENSION  *DeviceObjectExtension;
+  PVOID  Reserved;
+} DEVICE_OBJECT, *PDEVICE_OBJECT;
+
+typedef enum _DEVICE_RELATION_TYPE {
+  BusRelations,
+  EjectionRelations,
+  PowerRelations,
+  RemovalRelations,
+  TargetDeviceRelation,
+  SingleBusRelations,
+  TransportRelations
+} DEVICE_RELATION_TYPE, *PDEVICE_RELATION_TYPE;
+
+typedef struct _DEVICE_RELATIONS {
+  ULONG  Count;
+  PDEVICE_OBJECT Objects[1];
+} DEVICE_RELATIONS, *PDEVICE_RELATIONS;
+
+typedef struct _SCATTER_GATHER_ELEMENT {
+  PHYSICAL_ADDRESS  Address;
+  ULONG  Length;
+  ULONG_PTR  Reserved;
+} SCATTER_GATHER_ELEMENT, *PSCATTER_GATHER_ELEMENT;
+
+#if defined(_MSC_EXTENSIONS)
+
+#if _MSC_VER >= 1200
+#pragma warning(push)
+#endif
+#pragma warning(disable:4200)
+typedef struct _SCATTER_GATHER_LIST {
+  ULONG  NumberOfElements;
+  ULONG_PTR  Reserved;
+  SCATTER_GATHER_ELEMENT  Elements[1];
+} SCATTER_GATHER_LIST, *PSCATTER_GATHER_LIST;
+
+#if _MSC_VER >= 1200
+#pragma warning(pop)
+#else
+#pragma warning(default:4200)
+#endif
+
+#else
+
+struct _SCATTER_GATHER_LIST;
+typedef struct _SCATTER_GATHER_LIST SCATTER_GATHER_LIST, *PSCATTER_GATHER_LIST;
+
+#endif
+
 /* Simple types */
 typedef UCHAR KPROCESSOR_MODE;
 typedef LONG KPRIORITY;

Modified: branches/header-work/include/ddk/winddk.h
URL:
http://svn.reactos.org/svn/reactos/branches/header-work/include/ddk/winddk.…
==============================================================================
--- branches/header-work/include/ddk/winddk.h [iso-8859-1] (original)
+++ branches/header-work/include/ddk/winddk.h [iso-8859-1] Sun Feb 28 10:46:46 2010
@@ -522,215 +522,14 @@
   LARGE_INTEGER  Spare2;
 } CONTROLLER_OBJECT, *PCONTROLLER_OBJECT;
 
-/* DEVICE_DESCRIPTION.Version */
-
-#define DEVICE_DESCRIPTION_VERSION        0x0000
-#define DEVICE_DESCRIPTION_VERSION1       0x0001
-#define DEVICE_DESCRIPTION_VERSION2       0x0002
-
-typedef struct _DEVICE_DESCRIPTION {
-  ULONG  Version;
-  BOOLEAN  Master;
-  BOOLEAN  ScatterGather;
-  BOOLEAN  DemandMode;
-  BOOLEAN  AutoInitialize;
-  BOOLEAN  Dma32BitAddresses;
-  BOOLEAN  IgnoreCount;
-  BOOLEAN  Reserved1;
-  BOOLEAN  Dma64BitAddresses;
-  ULONG  BusNumber;
-  ULONG  DmaChannel;
-  INTERFACE_TYPE  InterfaceType;
-  DMA_WIDTH  DmaWidth;
-  DMA_SPEED  DmaSpeed;
-  ULONG  MaximumLength;
-  ULONG  DmaPort;
-} DEVICE_DESCRIPTION, *PDEVICE_DESCRIPTION;
-
-/* VPB.Flags */
-#define VPB_MOUNTED                       0x0001
-#define VPB_LOCKED                        0x0002
-#define VPB_PERSISTENT                    0x0004
-#define VPB_REMOVE_PENDING                0x0008
-#define VPB_RAW_MOUNT                     0x0010
-
-#define MAXIMUM_VOLUME_LABEL_LENGTH       (32 * sizeof(WCHAR))
-
-typedef struct _VPB {
-  CSHORT  Type;
-  CSHORT  Size;
-  USHORT  Flags;
-  USHORT  VolumeLabelLength;
-  struct _DEVICE_OBJECT  *DeviceObject;
-  struct _DEVICE_OBJECT  *RealDevice;
-  ULONG  SerialNumber;
-  ULONG  ReferenceCount;
-  WCHAR  VolumeLabel[MAXIMUM_VOLUME_LABEL_LENGTH / sizeof(WCHAR)];
-} VPB, *PVPB;
-
 /* DEVICE_OBJECT.Flags */
 
-#define DO_VERIFY_VOLUME                  0x00000002
-#define DO_BUFFERED_IO                    0x00000004
-#define DO_EXCLUSIVE                      0x00000008
-#define DO_DIRECT_IO                      0x00000010
-#define DO_MAP_IO_BUFFER                  0x00000020
 #define DO_DEVICE_HAS_NAME                0x00000040
-#define DO_DEVICE_INITIALIZING            0x00000080
 #define DO_SYSTEM_BOOT_PARTITION          0x00000100
 #define DO_LONG_TERM_REQUESTS             0x00000200
 #define DO_NEVER_LAST_DEVICE              0x00000400
-#define DO_SHUTDOWN_REGISTERED            0x00000800
-#define DO_BUS_ENUMERATED_DEVICE          0x00001000
-#define DO_POWER_PAGABLE                  0x00002000
-#define DO_POWER_INRUSH                   0x00004000
 #define DO_LOW_PRIORITY_FILESYSTEM        0x00010000
 #define DO_XIP                            0x00020000
-
-/* DEVICE_OBJECT.Characteristics */
-
-#define FILE_REMOVABLE_MEDIA            0x00000001
-#define FILE_READ_ONLY_DEVICE           0x00000002
-#define FILE_FLOPPY_DISKETTE            0x00000004
-#define FILE_WRITE_ONCE_MEDIA           0x00000008
-#define FILE_REMOTE_DEVICE              0x00000010
-#define FILE_DEVICE_IS_MOUNTED          0x00000020
-#define FILE_VIRTUAL_VOLUME             0x00000040
-#define FILE_AUTOGENERATED_DEVICE_NAME  0x00000080
-#define FILE_DEVICE_SECURE_OPEN         0x00000100
-
-/* DEVICE_OBJECT.AlignmentRequirement */
-
-#define FILE_BYTE_ALIGNMENT             0x00000000
-#define FILE_WORD_ALIGNMENT             0x00000001
-#define FILE_LONG_ALIGNMENT             0x00000003
-#define FILE_QUAD_ALIGNMENT             0x00000007
-#define FILE_OCTA_ALIGNMENT             0x0000000f
-#define FILE_32_BYTE_ALIGNMENT          0x0000001f
-#define FILE_64_BYTE_ALIGNMENT          0x0000003f
-#define FILE_128_BYTE_ALIGNMENT         0x0000007f
-#define FILE_256_BYTE_ALIGNMENT         0x000000ff
-#define FILE_512_BYTE_ALIGNMENT         0x000001ff
-
-/* DEVICE_OBJECT.DeviceType */
-
-#define DEVICE_TYPE ULONG
-
-#define FILE_DEVICE_BEEP                  0x00000001
-#define FILE_DEVICE_CD_ROM                0x00000002
-#define FILE_DEVICE_CD_ROM_FILE_SYSTEM    0x00000003
-#define FILE_DEVICE_CONTROLLER            0x00000004
-#define FILE_DEVICE_DATALINK              0x00000005
-#define FILE_DEVICE_DFS                   0x00000006
-#define FILE_DEVICE_DISK                  0x00000007
-#define FILE_DEVICE_DISK_FILE_SYSTEM      0x00000008
-#define FILE_DEVICE_FILE_SYSTEM           0x00000009
-#define FILE_DEVICE_INPORT_PORT           0x0000000a
-#define FILE_DEVICE_KEYBOARD              0x0000000b
-#define FILE_DEVICE_MAILSLOT              0x0000000c
-#define FILE_DEVICE_MIDI_IN               0x0000000d
-#define FILE_DEVICE_MIDI_OUT              0x0000000e
-#define FILE_DEVICE_MOUSE                 0x0000000f
-#define FILE_DEVICE_MULTI_UNC_PROVIDER    0x00000010
-#define FILE_DEVICE_NAMED_PIPE            0x00000011
-#define FILE_DEVICE_NETWORK               0x00000012
-#define FILE_DEVICE_NETWORK_BROWSER       0x00000013
-#define FILE_DEVICE_NETWORK_FILE_SYSTEM   0x00000014
-#define FILE_DEVICE_NULL                  0x00000015
-#define FILE_DEVICE_PARALLEL_PORT         0x00000016
-#define FILE_DEVICE_PHYSICAL_NETCARD      0x00000017
-#define FILE_DEVICE_PRINTER               0x00000018
-#define FILE_DEVICE_SCANNER               0x00000019
-#define FILE_DEVICE_SERIAL_MOUSE_PORT     0x0000001a
-#define FILE_DEVICE_SERIAL_PORT           0x0000001b
-#define FILE_DEVICE_SCREEN                0x0000001c
-#define FILE_DEVICE_SOUND                 0x0000001d
-#define FILE_DEVICE_STREAMS               0x0000001e
-#define FILE_DEVICE_TAPE                  0x0000001f
-#define FILE_DEVICE_TAPE_FILE_SYSTEM      0x00000020
-#define FILE_DEVICE_TRANSPORT             0x00000021
-#define FILE_DEVICE_UNKNOWN               0x00000022
-#define FILE_DEVICE_VIDEO                 0x00000023
-#define FILE_DEVICE_VIRTUAL_DISK          0x00000024
-#define FILE_DEVICE_WAVE_IN               0x00000025
-#define FILE_DEVICE_WAVE_OUT              0x00000026
-#define FILE_DEVICE_8042_PORT             0x00000027
-#define FILE_DEVICE_NETWORK_REDIRECTOR    0x00000028
-#define FILE_DEVICE_BATTERY               0x00000029
-#define FILE_DEVICE_BUS_EXTENDER          0x0000002a
-#define FILE_DEVICE_MODEM                 0x0000002b
-#define FILE_DEVICE_VDM                   0x0000002c
-#define FILE_DEVICE_MASS_STORAGE          0x0000002d
-#define FILE_DEVICE_SMB                   0x0000002e
-#define FILE_DEVICE_KS                    0x0000002f
-#define FILE_DEVICE_CHANGER               0x00000030
-#define FILE_DEVICE_SMARTCARD             0x00000031
-#define FILE_DEVICE_ACPI                  0x00000032
-#define FILE_DEVICE_DVD                   0x00000033
-#define FILE_DEVICE_FULLSCREEN_VIDEO      0x00000034
-#define FILE_DEVICE_DFS_FILE_SYSTEM       0x00000035
-#define FILE_DEVICE_DFS_VOLUME            0x00000036
-#define FILE_DEVICE_SERENUM               0x00000037
-#define FILE_DEVICE_TERMSRV               0x00000038
-#define FILE_DEVICE_KSEC                  0x00000039
-#define FILE_DEVICE_FIPS                  0x0000003a
-
-typedef struct _DEVICE_OBJECT {
-  CSHORT  Type;
-  USHORT  Size;
-  LONG  ReferenceCount;
-  struct _DRIVER_OBJECT  *DriverObject;
-  struct _DEVICE_OBJECT  *NextDevice;
-  struct _DEVICE_OBJECT  *AttachedDevice;
-  struct _IRP  *CurrentIrp;
-  PIO_TIMER  Timer;
-  ULONG  Flags;
-  ULONG  Characteristics;
-  volatile PVPB  Vpb;
-  PVOID  DeviceExtension;
-  DEVICE_TYPE  DeviceType;
-  CCHAR  StackSize;
-  union {
-    LIST_ENTRY  ListEntry;
-    WAIT_CONTEXT_BLOCK  Wcb;
-  } Queue;
-  ULONG  AlignmentRequirement;
-  KDEVICE_QUEUE  DeviceQueue;
-  KDPC  Dpc;
-  ULONG  ActiveThreadCount;
-  PSECURITY_DESCRIPTOR  SecurityDescriptor;
-  KEVENT  DeviceLock;
-  USHORT  SectorSize;
-  USHORT  Spare1;
-  struct _DEVOBJ_EXTENSION  *DeviceObjectExtension;
-  PVOID  Reserved;
-} DEVICE_OBJECT, *PDEVICE_OBJECT;
-
-typedef enum _DEVICE_RELATION_TYPE {
-  BusRelations,
-  EjectionRelations,
-  PowerRelations,
-  RemovalRelations,
-  TargetDeviceRelation,
-  SingleBusRelations
-} DEVICE_RELATION_TYPE, *PDEVICE_RELATION_TYPE;
-
-typedef struct _DEVICE_RELATIONS {
-  ULONG  Count;
-  PDEVICE_OBJECT Objects[1];
-} DEVICE_RELATIONS, *PDEVICE_RELATIONS;
-
-typedef struct _SCATTER_GATHER_ELEMENT {
-  PHYSICAL_ADDRESS  Address;
-  ULONG  Length;
-  ULONG_PTR  Reserved;
-} SCATTER_GATHER_ELEMENT, *PSCATTER_GATHER_ELEMENT;
-
-typedef struct _SCATTER_GATHER_LIST {
-  ULONG  NumberOfElements;
-  ULONG_PTR  Reserved;
-  SCATTER_GATHER_ELEMENT  Elements[1];
-} SCATTER_GATHER_LIST, *PSCATTER_GATHER_LIST;
 
 #define MDL_MAPPED_TO_SYSTEM_VA     0x0001
 #define MDL_PAGES_LOCKED            0x0002