/*
* @implemented
*/
NTSTATUS
NTAPI
IoAssignResources(IN PUNICODE_STRING RegistryPath,
IN PUNICODE_STRING DriverClassName,
IN PDRIVER_OBJECT DriverObject,
IN PDEVICE_OBJECT DeviceObject,
IN PIO_RESOURCE_REQUIREMENTS_LIST RequestedResources,
IN OUT PCM_RESOURCE_LIST* AllocatedResources)
{
PDEVICE_NODE DeviceNode;
/* Do we have a DO? */
if (DeviceObject)
{
/* Get its device node */
DeviceNode = IopGetDeviceNode(DeviceObject);
if ((DeviceNode) && !(DeviceNode->Flags & DNF_LEGACY_RESOURCE_DEVICENODE))
{
/* New drivers should not call this API */
KeBugCheckEx(PNP_DETECTED_FATAL_ERROR,
0,
0,
(ULONG_PTR)DeviceObject,
(ULONG_PTR)DriverObject);
}
}
/* Did the driver supply resources? */
if (RequestedResources)
{
/* Make sure there's actually something useful in them */
if (!(RequestedResources->AlternativeLists) || !(RequestedResources->List[0].Count))
{
/* Empty resources are no resources */
RequestedResources = NULL;
}
}
/* Initialize output if given */
if (AllocatedResources) *AllocatedResources = NULL;
/* Call internal helper function */
return IopLegacyResourceAllocation(ArbiterRequestLegacyAssigned,
DriverObject,
DeviceObject,
RequestedResources,
AllocatedResources);
}
VOID
NTAPI
IopDeleteDevice(IN PVOID ObjectBody)
{
PDEVICE_OBJECT DeviceObject = ObjectBody;
PDEVICE_NODE DeviceNode = IopGetDeviceNode(DeviceObject);
PAGED_CODE();
/* Cleanup and free the device node */
if (DeviceNode)
IopFreeDeviceNode(DeviceNode);
/* Dereference the driver object, referenced in IoCreateDevice */
if (DeviceObject->DriverObject)
ObDereferenceObject(DeviceObject->DriverObject);
}
static NTSTATUS
IopDeviceStatus(PPLUGPLAY_CONTROL_STATUS_DATA StatusData)
{
PDEVICE_OBJECT DeviceObject;
PDEVICE_NODE DeviceNode;
ULONG Operation = 0;
ULONG DeviceStatus = 0;
ULONG DeviceProblem = 0;
UNICODE_STRING DeviceInstance;
NTSTATUS Status;
DPRINT("IopDeviceStatus() called\n");
Status = IopCaptureUnicodeString(&DeviceInstance, &StatusData->DeviceInstance);
if (!NT_SUCCESS(Status))
{
return Status;
}
DPRINT("Device name: '%wZ'\n", &DeviceInstance);
_SEH2_TRY
{
Operation = StatusData->Operation;
if (Operation == PNP_SET_DEVICE_STATUS)
{
DeviceStatus = StatusData->DeviceStatus;
DeviceProblem = StatusData->DeviceProblem;
}
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
ExFreePool(DeviceInstance.Buffer);
_SEH2_YIELD(return _SEH2_GetExceptionCode());
}
_SEH2_END;
/* Get the device object */
DeviceObject = IopGetDeviceObjectFromDeviceInstance(&DeviceInstance);
ExFreePool(DeviceInstance.Buffer);
if (DeviceObject == NULL)
{
return STATUS_NO_SUCH_DEVICE;
}
DeviceNode = IopGetDeviceNode(DeviceObject);
switch (Operation)
{
case PNP_GET_DEVICE_STATUS:
DPRINT("Get status data\n");
DeviceStatus = IopGetDeviceNodeStatus(DeviceNode);
DeviceProblem = DeviceNode->Problem;
break;
case PNP_SET_DEVICE_STATUS:
DPRINT1("Set status data is NOT SUPPORTED\n");
break;
case PNP_CLEAR_DEVICE_STATUS:
DPRINT1("FIXME: Clear status data!\n");
break;
}
ObDereferenceObject(DeviceObject);
if (Operation == PNP_GET_DEVICE_STATUS)
{
_SEH2_TRY
{
StatusData->DeviceStatus = DeviceStatus;
StatusData->DeviceProblem = DeviceProblem;
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
Status = _SEH2_GetExceptionCode();
}
_SEH2_END;
}