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/*++
Copyright (c) Microsoft Corporation. All rights reserved.
Module Name:
driver.cpp
Abstract:
This file contains the driver entry points and callbacks.
Environment:
Windows User-Mode Driver Framework
--*/
#include "precomp.h"
#include "Trace.h"
#include "Defaults.h"
#include "Driver.h"
#include "Device.h"
#include "Driver.tmh"
extern "C"
NTSTATUS
DriverEntry(
_In_ PDRIVER_OBJECT DriverObject,
_In_ PUNICODE_STRING RegistryPath
)
{
NTSTATUS status = STATUS_SUCCESS;
// Initialize WPP Tracing
WPP_INIT_TRACING(DriverObject, RegistryPath);
TraceEvents(TRACE_LEVEL_INFORMATION, TRACE_DRIVER, "%!FUNC! Entry");
// Register a cleanup callback so that we can call WPP_CLEANUP when
// the framework driver object is deleted during driver unload.
WDF_OBJECT_ATTRIBUTES attributes;
WDF_OBJECT_ATTRIBUTES_INIT(&attributes);
attributes.EvtCleanupCallback = GnssUmdfEvtDriverContextCleanup;
WDF_DRIVER_CONFIG config;
WDF_DRIVER_CONFIG_INIT(&config,
CDevice::OnDeviceAdd);
config.EvtDriverUnload = OnDriverUnload;
status = WdfDriverCreate(DriverObject,
RegistryPath,
&attributes,
&config,
WDF_NO_HANDLE);
if (!NT_SUCCESS(status))
{
TraceEvents(TRACE_LEVEL_ERROR, TRACE_DRIVER, "WdfDriverCreate failed %!STATUS!", status);
WPP_CLEANUP(DriverObject);
return status;
}
TraceEvents(TRACE_LEVEL_INFORMATION, TRACE_DRIVER, "%!FUNC! Exit");
return status;
}
void
GnssUmdfEvtDriverContextCleanup(
_In_ WDFOBJECT DriverObject
)
/*++
Routine Description:
Free all the resources allocated in DriverEntry.
Arguments:
DriverObject - handle to a WDF Driver object.
Return Value:
void.
--*/
{
UNREFERENCED_PARAMETER(DriverObject);
TraceEvents(TRACE_LEVEL_INFORMATION, TRACE_DRIVER, "%!FUNC! Entry");
// Stop WPP Tracing
WPP_CLEANUP(WdfDriverWdmGetDriverObject((WDFDRIVER)DriverObject));
}
void
OnDriverUnload(
_In_ WDFDRIVER /* Driver */
)
{
WPP_CLEANUP(Driver);
}
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