Source code of Windows XP (NT5)
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/*++
Copyright (c) 1997 Microsoft Corporation
Module Name:
neckbrep.h
Abstract:
This module contains the common private declarations for the auto-key-repeat
driver.
Author:
Hideki Miura
Environment:
kernel mode only
Notes:
Revision History:
--*/
#ifndef NECKBREP_H
#define NECKBREP_H
#include "ntddk.h"
#include <ntddkbd.h>
#include "kbdmou.h"
#define KBSTUFF_POOL_TAG (ULONG) 'prKN'
#undef ExAllocatePool
#define ExAllocatePool(type, size) \
ExAllocatePoolWithTag (type, size, KBSTUFF_POOL_TAG)
//#pragma warning(error:4100) // Unreferenced formal parameter
//#pragma warning(error:4705) // Statement has no effect
#if DBG
#define TRAP() DbgBreakPoint()
#define DbgRaiseIrql(_x_,_y_) KeRaiseIrql(_x_,_y_)
#define DbgLowerIrql(_x_) KeLowerIrql(_x_)
#define Print(_x_) DbgPrint _x_;
#else // DBG
#define TRAP()
#define DbgRaiseIrql(_x_,_y_)
#define DbgLowerIrql(_x_)
#define Print(_x_)
#endif
#define MIN(_A_,_B_) (((_A_) < (_B_)) ? (_A_) : (_B_))
typedef struct _DEVICE_EXTENSION
{
//
// A backpointer to the device object for which this is the extension
//
PDEVICE_OBJECT Self;
//
// "THE PDO" (ejected by the root bus or ACPI)
//
PDEVICE_OBJECT PDO;
//
// The top of the stack before this filter was added. AKA the location
// to which all IRPS should be directed.
//
PDEVICE_OBJECT TopOfStack;
//
// Number of creates sent down
//
LONG EnableCount;
//
// The real connect data that this driver reports to
//
CONNECT_DATA UpperConnectData;
//
// current power state of the device
//
DEVICE_POWER_STATE DeviceState;
BOOLEAN Started;
BOOLEAN Removed;
//
// A input data to do the autorepeat.
//
KEYBOARD_INPUT_DATA KbRepeatInput;
//
// A timer DPC to do the autorepeat.
//
KDPC KbRepeatDPC;
KTIMER KbRepeatTimer;
LARGE_INTEGER KbRepeatDelay;
LONG KbRepeatRate;
} DEVICE_EXTENSION, *PDEVICE_EXTENSION;
//
// Default Typematic Parameters.
//
#define KEYBOARD_TYPEMATIC_RATE_DEFAULT 30
#define KEYBOARD_TYPEMATIC_DELAY_DEFAULT 250
//
// Prototypes
//
NTSTATUS
DriverEntry (
IN PDRIVER_OBJECT DriverObject,
IN PUNICODE_STRING RegistryPath
);
NTSTATUS
KbRepeatAddDevice(
IN PDRIVER_OBJECT DriverObject,
IN PDEVICE_OBJECT BusDeviceObject
);
NTSTATUS
KbRepeatComplete(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp,
IN PVOID Context
);
NTSTATUS
KbRepeatCreateClose (
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp
);
NTSTATUS
KbRepeatDispatchPassThrough(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp
);
NTSTATUS
KbRepeatInternIoCtl (
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp
);
NTSTATUS
KbRepeatPnP (
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp
);
NTSTATUS
KbRepeatPower (
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp
);
VOID
KbRepeatServiceCallback(
IN PDEVICE_OBJECT DeviceObject,
IN PKEYBOARD_INPUT_DATA InputDataStart,
IN PKEYBOARD_INPUT_DATA InputDataEnd,
IN OUT PULONG InputDataConsumed
);
VOID
KbRepeatUnload (
IN PDRIVER_OBJECT DriverObject
);
VOID
KbRepeatDpc(
IN PKDPC DPC,
IN PVOID DeferredContext,
IN PVOID SystemArgument1,
IN PVOID SystemArgument2
);
VOID
KbdInitializeTypematic(
IN PDEVICE_EXTENSION devExt
);
#endif // NECKBREP_H