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/*++
Copyright (c) 1990-2000 Microsoft Corporation
Module Name:
device.h
Abstract:
This is a C version of a very simple sample driver that illustrates
how to use the driver framework and demonstrates best practices.
--*/
#include "public.h"
//
// The device context performs the same job as
// a WDM device extension in the driver frameworks
//
typedef struct _DEVICE_CONTEXT
{
ULONG PrivateDeviceData; // just a placeholder
} DEVICE_CONTEXT, *PDEVICE_CONTEXT;
//
// This macro will generate an inline function called WdfObjectGet_DEVICE_CONTEXT
// which will be used to get a pointer to the device context memory
// in a type safe manner.
//
WDF_DECLARE_CONTEXT_TYPE(DEVICE_CONTEXT)
//
// Function to initialize the device and its callbacks
//
NTSTATUS
EchoDeviceCreate(
PWDFDEVICE_INIT DeviceInit
);
//
// Device events
//
EVT_WDF_DEVICE_SELF_MANAGED_IO_INIT EchoEvtDeviceSelfManagedIoStart;
EVT_WDF_DEVICE_SELF_MANAGED_IO_SUSPEND EchoEvtDeviceSelfManagedIoSuspend;
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