www.pudn.com > pdiusbd12 source.rar > D12.h

/*++ 
 
Copyright (c) 1993  Microsoft Corporation 
 
Module Name: 
 
    D12.h 
 
Abstract: 
 
 
 
Environment: 
 
    Kernel & user mode 
 
Revision History: 
 
    5-10-96 : created 
 
--*/ 
 
#ifdef DRIVER 
 
#define D12_NAME_MAX  64 
 
// 
// we support up to 10 pipe handles 
// 
#define D12_MAX_PIPES 10 
 
// 
// defines used for ISO test 
// 
 
#define D12_MAX_IRP  2 
#define D12_NUM_ISO_PACKETS_PER_REQUEST  32 
#define D12_MAX_STREAM_PACKET 8 
 
#define D12_STREAM_TIMEOUT_INTERVAL  100 
 
 
typedef struct _D12_PIPE { 
    BOOLEAN Opened; 
    UCHAR Pad[3]; 
    PUSBD_PIPE_INFORMATION PipeInfo; 
    WCHAR Name[D12_NAME_MAX]; 
	LARGE_INTEGER BytesXfered; 
	LARGE_INTEGER ElapsedTime; 
	LARGE_INTEGER TimerStart; 
	LARGE_INTEGER ElapsedCycles; 
	LARGE_INTEGER CyclesStart; 
	BOOLEAN		  bPerfTimerEnabled; 
} D12_PIPE, *PD12_PIPE; 
 
typedef struct _D12_RW_CONTEXT { 
    PURB Urb; 
    PDEVICE_OBJECT DeviceObject; 
} D12_RW_CONTEXT, *PD12_RW_CONTEXT; 
 
#define MAX_INTERFACE 2 
 
// 
// A structure representing the instance information associated with 
// this particular device. 
// 
 
#define D12_MAX_PENDING_IRPS	10 
 
typedef struct _DEVICE_EXTENSION { 
 
    // Device object we call when submitting Urbs 
    PDEVICE_OBJECT TopOfStackDeviceObject; 
 
    PDEVICE_OBJECT PhysicalDeviceObject; 
 
    DEVICE_POWER_STATE CurrentDevicePowerState; 
 
    // configuration handle for the configuration the 
    // device is currently in 
    USBD_CONFIGURATION_HANDLE ConfigurationHandle; 
 
    // ptr to the USB device descriptor 
    // for this device 
    PUSB_DEVICE_DESCRIPTOR DeviceDescriptor; 
 
    // we support one interface 
    // this is a copy of the info structure 
    // returned from select_configuration or 
    // select_interface 
    PUSBD_INTERFACE_INFORMATION Interface; 
 
    DEVICE_CAPABILITIES DeviceCapabilities; 
 
    PVOID UserEvent; 
    PIRP PowerIrp; 
    KEVENT RemoveEvent; 
    ULONG PendingIoCount; 
 
    // Name buffer for our named Functional device object link 
	// The name is generated based on the driver's class GUID 
    WCHAR DeviceLinkNameBuffer[ MAXIMUM_FILENAME_LENGTH ];  // MAXIMUM_FILENAME_LENGTH defined in wdm.h 
 
    BOOLEAN AcceptingRequests; 
 
    UCHAR Pad[3]; 
 
    D12_PIPE PipeList[D12_MAX_PIPES]; 
 
	PIRP pendingIRP[D12_MAX_PENDING_IRPS]; 
 
} DEVICE_EXTENSION, *PDEVICE_EXTENSION; 
 
typedef struct _D12_TRANSFER_OBJECT { 
    struct _D12_STREAM_OBJECT *StreamObject; 
    PIRP Irp; 
    PURB Urb; 
    PUCHAR DataBuffer; 
} D12_TRANSFER_OBJECT, *PD12_TRANSFER_OBJECT; 
 
typedef struct _D12_STREAM_OBJECT { 
    PDEVICE_OBJECT DeviceObject; 
    ULONG PendingIrps; 
    PIRP StopIrp; 
    PD12_TRANSFER_OBJECT TransferObjectList[D12_MAX_IRP]; 
    PUSBD_PIPE_INFORMATION PipeInfo; 
    KDPC TimeoutDpc; 
    KTIMER  TimeoutTimer; 
 
    BOOLEAN EnableTimeoutDPC; 
    BOOLEAN StreamError; 
} D12_STREAM_OBJECT, *PD12_STREAM_OBJECT; 
 
#if DBG 
 
#define D12_KdPrint(_x_) DbgPrint _x_ ; 
 
#ifdef NTKERN 
#define TRAP() _asm {int 3} 
#else 
#define TRAP() DbgBreakPoint() 
#endif 
 
#else 
 
#define D12_KdPrint(_x_) 
 
#define TRAP() 
 
#endif 
 
NTSTATUS 
D12_Dispatch( 
    IN PDEVICE_OBJECT DeviceObject, 
    IN PIRP           Irp 
    ); 
 
VOID 
D12_Unload( 
    IN PDRIVER_OBJECT DriverObject 
    ); 
 
NTSTATUS 
D12_StartDevice( 
    IN  PDEVICE_OBJECT DeviceObject 
    ); 
 
NTSTATUS 
D12_StopDevice( 
    IN  PDEVICE_OBJECT DeviceObject 
    ); 
 
NTSTATUS 
D12_RemoveDevice( 
    IN  PDEVICE_OBJECT DeviceObject 
    ); 
 
NTSTATUS 
D12_CallUSBD( 
    IN PDEVICE_OBJECT DeviceObject, 
    IN PURB Urb 
    ); 
 
NTSTATUS 
D12_PnPAddDevice( 
    IN PDRIVER_OBJECT DriverObject, 
    IN PDEVICE_OBJECT PhysicalDeviceObject 
    ); 
 
NTSTATUS 
BulkUsb_CreateDeviceObject( 
    IN PDRIVER_OBJECT DriverObject, 
    IN PDEVICE_OBJECT PhysicalDeviceObject, 
    IN PDEVICE_OBJECT *DeviceObject 
    ); 
 
NTSTATUS 
D12_ConfigureDevice( 
    IN  PDEVICE_OBJECT DeviceObject 
    ); 
 
NTSTATUS 
D12_Write( 
    IN PDEVICE_OBJECT DeviceObject, 
    IN PIRP Irp 
    ); 
 
NTSTATUS 
D12_Create( 
    IN PDEVICE_OBJECT DeviceObject, 
    IN PIRP Irp 
    ); 
 
NTSTATUS 
D12_Read( 
    IN PDEVICE_OBJECT DeviceObject, 
    IN PIRP Irp 
    ); 
 
NTSTATUS 
D12_ProcessIOCTL( 
    IN PDEVICE_OBJECT DeviceObject, 
    IN PIRP Irp 
    ); 
 
NTSTATUS 
D12_SelectInterface( 
    IN PDEVICE_OBJECT DeviceObject, 
    IN PUSB_CONFIGURATION_DESCRIPTOR ConfigurationDescriptor, 
    IN PUSBD_INTERFACE_INFORMATION Interface 
    ); 
 
PUSB_CONFIGURATION_DESCRIPTOR 
D12_GetConfigDescriptor( 
    IN PDEVICE_OBJECT DeviceObject 
    ); 
 
NTSTATUS 
D12_BuildPipeList( 
    IN  PDEVICE_OBJECT DeviceObject 
    ); 
 
NTSTATUS 
D12_Close( 
    IN PDEVICE_OBJECT DeviceObject, 
    IN PIRP Irp 
    ); 
 
NTSTATUS 
D12_ResetPipe( 
    IN PDEVICE_OBJECT DeviceObject, 
    IN PD12_PIPE Pipe, 
    IN BOOLEAN IsoClearStall 
    ); 
 
 
VOID 
D12_IncrementIoCount( 
    IN PDEVICE_OBJECT DeviceObject 
    ); 
 
LONG 
D12_DecrementIoCount( 
    IN PDEVICE_OBJECT DeviceObject 
    );    
 
NTSTATUS 
D12_ReconfigureDevice( 
    IN  PDEVICE_OBJECT DeviceObject 
    ); 
 
NTSTATUS 
D12_ProcessPowerIrp( 
    IN PDEVICE_OBJECT DeviceObject, 
    IN PIRP           Irp 
    );     
 
#endif