Sample Code
Windows Driver Samples/ WDF Hybrid 1394 Virtual Device Sample Driver/ C++/ inc/ wdf_vdev_api.h/
/*++
Copyright (c) Microsoft Corporation
Module Name:
wdf_vdev_api.h
Abstract:
Reworking of the old 1394 API header file to fit a WDF hybrid driver stack.
--*/
#pragma once
//
// Disable warnings for nonstandard bit field types.
// It is valid for a bit field to be a type other than an int
// but the W4 option flags and throws an error in this case
//
#if _MSC_VER >= 1200
#pragma warning(push)
#endif
#pragma warning(disable:4214) // nonstandard extension used : bit field types other than int
#ifndef _WDF_VDEV_API_H_
#define _WDF_VDEV_API_H_
#ifdef __cplusplus
extern "C" {
#endif
#define WM_DEVICE_CHANGE (WM_USER+301)
#define WM_BUS_RESET (WM_USER+302)
#define NOTIFY_DEVICE_CHANGE WM_DEVICE_CHANGE
#define NOTIFY_BUS_RESET WM_BUS_RESET
//
// flags used for allocateaddressrange
//
#define ASYNC_ALLOC_USE_MDL 1
#define ASYNC_ALLOC_USE_FIFO 2
#define ASYNC_ALLOC_USE_NONE 3
#if !defined (_KMDF1394VDEV_DRIVER_)
//
// Definition of flags for AllocateAddressRange Irb
//
#define BIG_ENDIAN_ADDRESS_RANGE 1
//
// Definition of fulAccessType for AllocateAddressRange
//
#define ACCESS_FLAGS_TYPE_READ 1
#define ACCESS_FLAGS_TYPE_WRITE 2
#define ACCESS_FLAGS_TYPE_LOCK 4
#define ACCESS_FLAGS_TYPE_BROADCAST 8
//
// Definition of fulNotificationOptions for AllocateAddressRange
//
#define NOTIFY_FLAGS_NEVER 0
#define NOTIFY_FLAGS_AFTER_READ 1
#define NOTIFY_FLAGS_AFTER_WRITE 2
#define NOTIFY_FLAGS_AFTER_LOCK 4
//
// Definitions of Lock transaction types
//
#define LOCK_TRANSACTION_MASK_SWAP 1
#define LOCK_TRANSACTION_COMPARE_SWAP 2
#define LOCK_TRANSACTION_FETCH_ADD 3
#define LOCK_TRANSACTION_LITTLE_ADD 4
#define LOCK_TRANSACTION_BOUNDED_ADD 5
#define LOCK_TRANSACTION_WRAP_ADD 6
//
// Definition of fulFlags in Async Read/Write/Lock requests
//
#define ASYNC_FLAGS_NONINCREMENTING 1
//
// flag instucts the port driver to NOT take an int for checking the status
// of this transaction. Always return success...
//
#define ASYNC_FLAGS_NO_STATUS 0x00000002
//
// Definitions of levels of Host controller information
//
#define GET_HOST_UNIQUE_ID 1
#define GET_HOST_CAPABILITIES 2
#define GET_POWER_SUPPLIED 3
#define GET_PHYS_ADDR_ROUTINE 4
#define GET_HOST_CONFIG_ROM 5
#define GET_HOST_CSR_CONTENTS 6
#define GET_HOST_DMA_CAPABILITIES 7
//
// Definitions of capabilities in Host info level 2
//
#define HOST_INFO_PACKET_BASED 1
#define HOST_INFO_STREAM_BASED 2
#define HOST_INFO_SUPPORTS_ISOCH_STRIPPING 4
#define HOST_INFO_SUPPORTS_START_ON_CYCLE 8
#define HOST_INFO_SUPPORTS_RETURNING_ISO_HDR 16
#define HOST_INFO_SUPPORTS_ISO_HDR_INSERTION 32
//
// Definitions of Bus Reset flags (used when Bus driver asks Port driver
// to perform a bus reset)
//
#define BUS_RESET_FLAGS_PERFORM_RESET 1
#define BUS_RESET_FLAGS_FORCE_ROOT 2
//
// Definitions of flags for GetMaxSpeedBetweenDevices and
// Get1394AddressFromDeviceObject
//
#define USE_LOCAL_NODE 1
//
// Definition of flags for BusResetNotification Irb
//
#define REGISTER_NOTIFICATION_ROUTINE 1
#define DEREGISTER_NOTIFICATION_ROUTINE 2
//
// Definitions of Speed flags used throughout 1394 Bus APIs
//
#define SPEED_FLAGS_100 0x01
#define SPEED_FLAGS_200 0x02
#define SPEED_FLAGS_400 0x04
#define SPEED_FLAGS_800 0x08
#define SPEED_FLAGS_1600 0x10
#define SPEED_FLAGS_3200 0x20
#define SPEED_FLAGS_FASTEST 0x80000000
//
// Definitions of Isoch Allocate Resources flags
//
#define RESOURCE_USED_IN_LISTENING 1
#define RESOURCE_USED_IN_TALKING 2
#define RESOURCE_BUFFERS_CIRCULAR 4
#define RESOURCE_STRIP_ADDITIONAL_QUADLETS 8
#define RESOURCE_TIME_STAMP_ON_COMPLETION 16
#define RESOURCE_SYNCH_ON_TIME 32
#define RESOURCE_USE_PACKET_BASED 64
//
// Definitions of Isoch Descriptor flags
//
#define DESCRIPTOR_SYNCH_ON_SY 0x00000001
#define DESCRIPTOR_SYNCH_ON_TAG 0x00000002
#define DESCRIPTOR_SYNCH_ON_TIME 0x00000004
#define DESCRIPTOR_USE_SY_TAG_IN_FIRST 0x00000008
#define DESCRIPTOR_TIME_STAMP_ON_COMPLETION 0x00000010
#define DESCRIPTOR_PRIORITY_TIME_DELIVERY 0x00000020
#define DESCRIPTOR_HEADER_SCATTER_GATHER 0x00000040
//
// Definitions of Isoch synchronization flags
//
#define SYNCH_ON_SY DESCRIPTOR_SYNCH_ON_SY
#define SYNCH_ON_TAG DESCRIPTOR_SYNCH_ON_TAG
#define SYNCH_ON_TIME DESCRIPTOR_SYNCH_ON_TIME
//
// flags for the SetPortProperties request
//
#define SET_LOCAL_HOST_PROPERTIES_NO_CYCLE_STARTS 0x00000001
#define SET_LOCAL_HOST_PROPERTIES_GAP_COUNT 0x00000002
#define SET_LOCAL_HOST_PROPERTIES_MODIFY_CROM 0x00000003
//
// definition of Flags for SET_LOCAL_HOST_PROPERTIES_MODIFY_CROM
//
#define SLHP_FLAG_ADD_CROM_DATA 0x01
#define SLHP_FLAG_REMOVE_CROM_DATA 0x02
//
// Various Interesting 1394 IEEE 1212 locations
//
#define INITIAL_REGISTER_SPACE_HI 0xffff
#define TOPOLOGY_MAP_LOCATION 0xf0001000
#define SPEED_MAP_LOCATION 0xf0002000
typedef struct _ISOCH_RESOURCES
{
LIST_ENTRY List;
HANDLE hIsochResource;
}ISOCH_RESOURCES, *PISOCH_RESOURCES;
//
// These are redefines from 1394.h
//
//
// 1394 Cycle Time format
//
typedef struct _CYCLE_TIME {
ULONG CL_CycleOffset:12; // Bits 0-11
ULONG CL_CycleCount:13; // Bits 12-24
ULONG CL_SecondCount:7; // Bits 25-31
} CYCLE_TIME, *PCYCLE_TIME;
//
// 1394 Address Offset format (48 bit addressing)
//
typedef struct _ADDRESS_OFFSET {
USHORT Off_High;
ULONG Off_Low;
} ADDRESS_OFFSET, *PADDRESS_OFFSET;
//
// 1394 Node Address format
//
typedef struct _NODE_ADDRESS {
USHORT NA_Node_Number:6; // Bits 10-15
USHORT NA_Bus_Number:10; // Bits 0-9
} NODE_ADDRESS, *PNODE_ADDRESS;
//
// 1394 I/O Address format
//
typedef struct _IO_ADDRESS {
NODE_ADDRESS IA_Destination_ID;
ADDRESS_OFFSET IA_Destination_Offset;
} IO_ADDRESS, *PIO_ADDRESS;
//
// 1394 Self ID packet format
//
typedef struct _SELF_ID {
ULONG SID_Phys_ID:6; // Byte 0 - Bits 0-5
ULONG SID_Packet_ID:2; // Byte 0 - Bits 6-7
ULONG SID_Gap_Count:6; // Byte 1 - Bits 0-5
ULONG SID_Link_Active:1; // Byte 1 - Bit 6
ULONG SID_Zero:1; // Byte 1 - Bit 7
ULONG SID_Power_Class:3; // Byte 2 - Bits 0-2
ULONG SID_Contender:1; // Byte 2 - Bit 3
ULONG SID_Delay:2; // Byte 2 - Bits 4-5
ULONG SID_Speed:2; // Byte 2 - Bits 6-7
ULONG SID_More_Packets:1; // Byte 3 - Bit 0
ULONG SID_Initiated_Rst:1; // Byte 3 - Bit 1
ULONG SID_Port3:2; // Byte 3 - Bits 2-3
ULONG SID_Port2:2; // Byte 3 - Bits 4-5
ULONG SID_Port1:2; // Byte 3 - Bits 6-7
} SELF_ID, *PSELF_ID;
//
// Additional 1394 Self ID packet format (only used when More bit is on)
//
typedef struct _SELF_ID_MORE {
ULONG SID_Phys_ID:6; // Byte 0 - Bits 0-5
ULONG SID_Packet_ID:2; // Byte 0 - Bits 6-7
ULONG SID_PortA:2; // Byte 1 - Bits 0-1
ULONG SID_Reserved2:2; // Byte 1 - Bits 2-3
ULONG SID_Sequence:3; // Byte 1 - Bits 4-6
ULONG SID_One:1; // Byte 1 - Bit 7
ULONG SID_PortE:2; // Byte 2 - Bits 0-1
ULONG SID_PortD:2; // Byte 2 - Bits 2-3
ULONG SID_PortC:2; // Byte 2 - Bits 4-5
ULONG SID_PortB:2; // Byte 2 - Bits 6-7
ULONG SID_More_Packets:1; // Byte 3 - Bit 0
ULONG SID_Reserved3:1; // Byte 3 - Bit 1
ULONG SID_PortH:2; // Byte 3 - Bits 2-3
ULONG SID_PortG:2; // Byte 3 - Bits 4-5
ULONG SID_PortF:2; // Byte 3 - Bits 6-7
} SELF_ID_MORE, *PSELF_ID_MORE;
//
// 1394 Topology Map format
//
typedef struct _TOPOLOGY_MAP {
USHORT TOP_Length; // number of quadlets in map
USHORT TOP_CRC; // 16 bit CRC defined by 1212
ULONG TOP_Generation; // Generation number
USHORT TOP_Node_Count; // Node count
USHORT TOP_Self_ID_Count; // Number of Self IDs
SELF_ID TOP_Self_ID_Array[1]; // Array of Self IDs
} TOPOLOGY_MAP, *PTOPOLOGY_MAP;
//
// 1394 Speed Map format
//
typedef struct _SPEED_MAP {
USHORT SPD_Length; // number of quadlets in map
USHORT SPD_CRC; // 16 bit CRC defined by 1212
ULONG SPD_Generation; // Generation number
UCHAR SPD_Speed_Code[4032];
} SPEED_MAP, *PSPEED_MAP;
//
// Definitions of the structures that correspond to the Host info levels
//
typedef struct _GET_LOCAL_HOST_INFO1 {
LARGE_INTEGER UniqueId;
} GET_LOCAL_HOST_INFO1, *PGET_LOCAL_HOST_INFO1;
typedef struct _GET_LOCAL_HOST_INFO2 {
ULONG HostCapabilities;
ULONG MaxAsyncReadRequest;
ULONG MaxAsyncWriteRequest;
} GET_LOCAL_HOST_INFO2, *PGET_LOCAL_HOST_INFO2;
typedef struct _GET_LOCAL_HOST_INFO3 {
ULONG deciWattsSupplied;
ULONG Voltage; // x10 -> +3.3 == 33
// +5.0 == 50,+12.0 == 120
// etc.
} GET_LOCAL_HOST_INFO3, *PGET_LOCAL_HOST_INFO3;
typedef struct _GET_LOCAL_HOST_INFO4 {
PVOID PhysAddrMappingRoutine;
PVOID Context;
} GET_LOCAL_HOST_INFO4, *PGET_LOCAL_HOST_INFO4;
//
// the caller can set ConfigRomLength to zero, issue the request, which will
// be failed with STATUS_INVALID_BUFFER_SIZE and the ConfigRomLength will be set
// by the port driver to the proper length. The caller can then re-issue the request
// after it has allocated a buffer for the configrom with the correct length
//
typedef struct _GET_LOCAL_HOST_INFO5 {
PVOID ConfigRom;
ULONG ConfigRomLength;
} GET_LOCAL_HOST_INFO5, *PGET_LOCAL_HOST_INFO5;
typedef struct _GET_LOCAL_HOST_INFO6 {
ADDRESS_OFFSET CsrBaseAddress;
ULONG CsrDataLength;
UCHAR CsrDataBuffer[1];
} GET_LOCAL_HOST_INFO6, *PGET_LOCAL_HOST_INFO6;
typedef struct _GET_LOCAL_HOST_INFO7
{
ULONG HostDmaCapabilities;
ULARGE_INTEGER MaxDmaBufferSize;
} GET_LOCAL_HOST_INFO7, *PGET_LOCAL_HOST_INFO7;
//
// Definitions of the structures that correspond to the Host info levels
//
typedef struct _SET_LOCAL_HOST_PROPS2 {
ULONG GapCountLowerBound;
} SET_LOCAL_HOST_PROPS2, *PSET_LOCAL_HOST_PROPS2;
typedef struct _SET_LOCAL_HOST_PROPS3 {
ULONG fulFlags;
HANDLE hCromData;
ULONG nLength;
UCHAR Buffer[1];
} SET_LOCAL_HOST_PROPS3, *PSET_LOCAL_HOST_PROPS3;
//
// 1394 Phy Configuration packet format
//
typedef struct _PHY_CONFIGURATION_PACKET {
ULONG PCP_Phys_ID:6; // Byte 0 - Bits 0-5
ULONG PCP_Packet_ID:2; // Byte 0 - Bits 6-7
ULONG PCP_Gap_Count:6; // Byte 1 - Bits 0-5
ULONG PCP_Set_Gap_Count:1; // Byte 1 - Bit 6
ULONG PCP_Force_Root:1; // Byte 1 - Bit 7
ULONG PCP_Reserved1:8; // Byte 2 - Bits 0-7
ULONG PCP_Reserved2:8; // Byte 3 - Bits 0-7
ULONG PCP_Inverse; // Inverse quadlet
} PHY_CONFIGURATION_PACKET, *PPHY_CONFIGURATION_PACKET;
#endif // KDMF1394VDEV_DRIVER
//
// 1394 Add/Remove Virtual Device format
//
typedef struct _VIRT_DEVICE {
ULONG fulFlags;
ULARGE_INTEGER InstanceID;
PSTR DeviceID;
} VIRT_DEVICE, *PVIRT_DEVICE;
//
// struct used to pass in with IOCTL_ALLOCATE_ADDRESS_RANGE
//
typedef struct _ALLOCATE_ADDRESS_RANGE {
ULONG fulAllocateFlags;
ULONG fulFlags;
ULONG nLength;
ULONG MaxSegmentSize;
ULONG fulAccessType;
ULONG fulNotificationOptions;
ADDRESS_OFFSET Required1394Offset;
HANDLE hAddressRange;
UCHAR Data[1];
LIST_ENTRY AsyncAddrList;
} ALLOCATE_ADDRESS_RANGE, *PALLOCATE_ADDRESS_RANGE;
//
// struct used to pass in with IOCTL_ASYNC_READ
//
typedef struct _ASYNC_READ {
ULONG bGetGeneration;
IO_ADDRESS DestinationAddress;
ULONG nNumberOfBytesToRead;
ULONG nBlockSize;
ULONG fulFlags;
ULONG ulGeneration;
UCHAR Data[1];
} ASYNC_READ, *PASYNC_READ;
//
// struct used to pass in with IOCTL_SET_ADDRESS_DATA
//
typedef struct _SET_ADDRESS_DATA {
HANDLE hAddressRange;
ULONG nLength;
ULONG ulOffset;
UCHAR Data[1];
} SET_ADDRESS_DATA, *PSET_ADDRESS_DATA,
GET_ADDRESS_DATA, *PGET_ADDRESS_DATA;
//
// struct used to pass in with IOCTL_ASYNC_WRITE
//
typedef struct _ASYNC_WRITE {
ULONG bGetGeneration;
IO_ADDRESS DestinationAddress;
ULONG nNumberOfBytesToWrite;
ULONG nBlockSize;
ULONG fulFlags;
ULONG ulGeneration;
UCHAR Data[1];
} ASYNC_WRITE, *PASYNC_WRITE;
//
// struct used to pass in with IOCTL_ASYNC_LOCK
//
typedef struct _ASYNC_LOCK {
ULONG bGetGeneration;
IO_ADDRESS DestinationAddress;
ULONG nNumberOfArgBytes;
ULONG nNumberOfDataBytes;
ULONG fulTransactionType;
ULONG fulFlags;
ULONG Arguments[2];
ULONG DataValues[2];
ULONG ulGeneration;
ULONG Buffer[2];
} ASYNC_LOCK, *PASYNC_LOCK;
//
// struct used to pass in with IOCTL_ASYNC_STREAM
//
typedef struct _ASYNC_STREAM {
ULONG nNumberOfBytesToStream;
ULONG fulFlags;
ULONG ulTag;
ULONG nChannel;
ULONG ulSynch;
ULONG nSpeed;
UCHAR Data[1];
} ASYNC_STREAM, *PASYNC_STREAM;
//
// struct used to pass in with IOCTL_ISOCH_ALLOCATE_BANDWIDTH
//
typedef struct _ISOCH_ALLOCATE_BANDWIDTH {
ULONG nMaxBytesPerFrameRequested;
ULONG fulSpeed;
HANDLE hBandwidth;
ULONG BytesPerFrameAvailable;
ULONG SpeedSelected;
} ISOCH_ALLOCATE_BANDWIDTH, *PISOCH_ALLOCATE_BANDWIDTH;
//
// struct used to pass in with IOCTL_ISOCH_ALLOCATE_CHANNEL
//
typedef struct _ISOCH_ALLOCATE_CHANNEL {
LONG nRequestedChannel;
ULONG Channel;
LARGE_INTEGER ChannelsAvailable;
} ISOCH_ALLOCATE_CHANNEL, *PISOCH_ALLOCATE_CHANNEL;
//
// struct used to pass in with IOCTL_ISOCH_ALLOCATE_RESOURCES
//
typedef struct _ISOCH_ALLOCATE_RESOURCES {
ULONG fulSpeed;
ULONG fulFlags;
ULONG nChannel;
ULONG nMaxBytesPerFrame;
ULONG nNumberOfBuffers;
ULONG nMaxBufferSize;
ULONG nQuadletsToStrip;
HANDLE hResource;
} ISOCH_ALLOCATE_RESOURCES, *PISOCH_ALLOCATE_RESOURCES;
//
// struct used to pass in isoch descriptors
//
typedef struct _RING3_ISOCH_DESCRIPTOR {
ULONG fulFlags;
ULONG ulLength;
ULONG nMaxBytesPerFrame;
ULONG ulSynch;
ULONG ulTag;
CYCLE_TIME CycleTime;
ULONG bUseCallback;
ULONG bAutoDetach;
UCHAR Data[1];
} RING3_ISOCH_DESCRIPTOR, *PRING3_ISOCH_DESCRIPTOR;
//
// struct used to pass in with IOCTL_ISOCH_ATTACH_BUFFERS
//
typedef struct _ISOCH_ATTACH_BUFFERS {
HANDLE hResource;
ULONG nNumberOfDescriptors;
ULONG ulBufferSize;
PULONG pIsochDescriptor;
RING3_ISOCH_DESCRIPTOR R3_IsochDescriptor[1];
} ISOCH_ATTACH_BUFFERS, *PISOCH_ATTACH_BUFFERS;
//
// struct used to pass in with IOCTL_ISOCH_DETACH_BUFFERS
//
typedef struct _ISOCH_DETACH_BUFFERS {
HANDLE hResource;
ULONG nNumberOfDescriptors;
PULONG pIsochDescriptor;
} ISOCH_DETACH_BUFFERS, *PISOCH_DETACH_BUFFERS;
//
// struct used to pass in with IOCTL_ISOCH_LISTEN
//
typedef struct _ISOCH_LISTEN {
HANDLE hResource;
ULONG fulFlags;
CYCLE_TIME StartTime;
} ISOCH_LISTEN, *PISOCH_LISTEN;
//
// struct used to pass in with IOCTL_ISOCH_QUERY_RESOURCES
//
typedef struct _ISOCH_QUERY_RESOURCES {
ULONG fulSpeed;
ULONG BytesPerFrameAvailable;
LARGE_INTEGER ChannelsAvailable;
} ISOCH_QUERY_RESOURCES, *PISOCH_QUERY_RESOURCES;
//
// struct used to pass in with IOCTL_ISOCH_SET_CHANNEL_BANDWIDTH
//
typedef struct _ISOCH_SET_CHANNEL_BANDWIDTH {
HANDLE hBandwidth;
ULONG nMaxBytesPerFrame;
} ISOCH_SET_CHANNEL_BANDWIDTH, *PISOCH_SET_CHANNEL_BANDWIDTH;
//
// struct used to pass in with IOCTL_ISOCH_MODIFY_STREAM_PROPERTIES
//
typedef struct _ISOCH_MODIFY_STREAM_PROPERTIES {
HANDLE hResource;
ULARGE_INTEGER ChannelMask;
ULONG fulSpeed;
} ISOCH_MODIFY_STREAM_PROPERTIES, *PISOCH_MODIFY_STREAM_PROPERTIES;
//
// struct used to pass in with IOCTL_ISOCH_STOP
//
typedef struct _ISOCH_STOP {
HANDLE hResource;
ULONG fulFlags;
} ISOCH_STOP, *PISOCH_STOP;
//
// struct used to pass in with IOCTL_ISOCH_TALK
//
typedef struct _ISOCH_TALK {
HANDLE hResource;
ULONG fulFlags;
CYCLE_TIME StartTime;
} ISOCH_TALK, *PISOCH_TALK;
//
// struct used to pass in with IOCTL_GET_LOCAL_HOST_INFORMATION
//
typedef struct _GET_LOCAL_HOST_INFORMATION {
ULONG Status;
ULONG nLevel;
ULONG ulBufferSize;
UCHAR Information[1];
} GET_LOCAL_HOST_INFORMATION, *PGET_LOCAL_HOST_INFORMATION;
//
// struct used to pass in with IOCTL_GET_1394_ADDRESS_FROM_DEVICE_OBJECT
//
typedef struct _GET_1394_ADDRESS {
ULONG fulFlags;
NODE_ADDRESS NodeAddress;
} GET_1394_ADDRESS, *PGET_1394_ADDRESS;
//
// struct used to pass in with IOCTL_GET_MAX_SPEED_BETWEEN_DEVICES
//
typedef struct _GET_MAX_SPEED_BETWEEN_DEVICES {
ULONG fulFlags;
ULONG ulNumberOfDestinations;
HANDLE hDestinationDeviceObjects[64];
ULONG fulSpeed;
} GET_MAX_SPEED_BETWEEN_DEVICES, *PGET_MAX_SPEED_BETWEEN_DEVICES;
//
// struct used to pass in with IOCTL_SET_DEVICE_XMIT_PROPERTIES
//
typedef struct _DEVICE_XMIT_PROPERTIES {
ULONG fulSpeed;
ULONG fulPriority;
} DEVICE_XMIT_PROPERTIES, *PDEVICE_XMIT_PROPERTIES;
//
// struct used to pass in with IOCTL_SET_LOCAL_HOST_INFORMATION
//
typedef struct _SET_LOCAL_HOST_INFORMATION {
ULONG nLevel;
ULONG ulBufferSize;
UCHAR Information[1];
} SET_LOCAL_HOST_INFORMATION, *PSET_LOCAL_HOST_INFORMATION;
#if !defined (_KMDF1394VDEV_DRIVER_)
typedef struct _DEVICE_LIST
{
CHAR DeviceName[255];
} DEVICE_LIST, *PDEVICE_LIST;
typedef struct _DEVICE_DATA
{
ULONG numDevices;
DEVICE_LIST deviceList[10];
} DEVICE_DATA, *PDEVICE_DATA;
#endif // KDMF1394VDEV_DRIVER
#if _MSC_VER >= 1200
#pragma warning(pop)
#else
#endif
#ifdef __cplusplus
}
#endif
#endif // _WDF_VDEV_API_H_
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