VOID
VenetUnload(PDRIVER_OBJECT obj)
{
UNREFERENCED_PARAMETER(obj);
vlog("unload called\n");
WdfDriverMiniportUnload(WdfGetDriver());
NdisMDeregisterMiniportDriver(mp_handle);
}
void DriverUnload
(
PDRIVER_OBJECT DriverObject
)
/*++
Routine Description:
Our driver unload routine. This just frees the WDF driver object.
Arguments:
DriverObject - pointer to the driver object
Return Value:
None
--*/
{
PAGED_CODE();
DPF(D_TERSE, ("[DriverUnload]"));
if (DriverObject == NULL)
{
goto Done;
}
//
// Invoke first the port unload.
//
if (gPCDriverUnloadRoutine != NULL)
{
gPCDriverUnloadRoutine(DriverObject);
}
//
// Unload WDF driver object.
//
if (WdfGetDriver() != NULL)
{
WdfDriverMiniportUnload(WdfGetDriver());
}
Done:
return;
}
extern "C" NTSTATUS
DriverEntry
(
_In_ PDRIVER_OBJECT DriverObject,
_In_ PUNICODE_STRING RegistryPathName
)
{
/*++
Routine Description:
Installable driver initialization entry point.
This entry point is called directly by the I/O system.
All audio adapter drivers can use this code without change.
Arguments:
DriverObject - pointer to the driver object
RegistryPath - pointer to a unicode string representing the path,
to driver-specific key in the registry.
Return Value:
STATUS_SUCCESS if successful,
STATUS_UNSUCCESSFUL otherwise.
--*/
NTSTATUS ntStatus;
WDF_DRIVER_CONFIG config;
DPF(D_TERSE, ("[DriverEntry]"));
//
// Get registry configuration.
//
ntStatus = GetRegistrySettings(RegistryPathName);
IF_FAILED_ACTION_JUMP(
ntStatus,
DPF(D_ERROR, ("Registry Configuration error 0x%x", ntStatus)),
Done);
WDF_DRIVER_CONFIG_INIT(&config, WDF_NO_EVENT_CALLBACK);
//
// Set WdfDriverInitNoDispatchOverride flag to tell the framework
// not to provide dispatch routines for the driver. In other words,
// the framework must not intercept IRPs that the I/O manager has
// directed to the driver. In this case, they will be handled by Audio
// port driver.
//
config.DriverInitFlags |= WdfDriverInitNoDispatchOverride;
config.DriverPoolTag = MINADAPTER_POOLTAG;
ntStatus = WdfDriverCreate(DriverObject,
RegistryPathName,
WDF_NO_OBJECT_ATTRIBUTES,
&config,
WDF_NO_HANDLE);
IF_FAILED_ACTION_JUMP(
ntStatus,
DPF(D_ERROR, ("WdfDriverCreate failed, 0x%x", ntStatus)),
Done);
//
// Tell the class driver to initialize the driver.
//
ntStatus = PcInitializeAdapterDriver(DriverObject,
RegistryPathName,
(PDRIVER_ADD_DEVICE)AddDevice);
IF_FAILED_ACTION_JUMP(
ntStatus,
DPF(D_ERROR, ("PcInitializeAdapterDriver failed, 0x%x", ntStatus)),
Done);
//
// To intercept stop/remove/surprise-remove.
//
DriverObject->MajorFunction[IRP_MJ_PNP] = PnpHandler;
//
// Hook the port class unload function
//
gPCDriverUnloadRoutine = DriverObject->DriverUnload;
DriverObject->DriverUnload = DriverUnload;
//
// All done.
//
ntStatus = STATUS_SUCCESS;
Done:
if (!NT_SUCCESS(ntStatus))
{
if (WdfGetDriver() != NULL)
{
WdfDriverMiniportUnload(WdfGetDriver());
}
}
return ntStatus;
} // DriverEntry
