NTSTATUS
NTAPI
PcHandlePropertyWithTable(
IN PIRP Irp,
IN ULONG PropertySetCount,
IN PKSPROPERTY_SET PropertySet,
IN PSUBDEVICE_DESCRIPTOR SubDeviceDescriptor)
{
PIO_STACK_LOCATION IoStack;
// get current irp stack location
IoStack = IoGetCurrentIrpStackLocation(Irp);
if (IoStack->Parameters.DeviceIoControl.InputBufferLength < sizeof(KSPROPERTY))
{
// certainly an invalid request
return STATUS_INVALID_PARAMETER;
}
// store device descriptor
KSPROPERTY_ITEM_IRP_STORAGE(Irp) = (PKSPROPERTY_ITEM)SubDeviceDescriptor;
// then try KsPropertyHandler
return KsPropertyHandler(Irp, PropertySetCount, PropertySet);
}
NTSTATUS
NTAPI
IKsClock_DispatchDeviceIoControl(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp)
{
PIO_STACK_LOCATION IoStack;
UNICODE_STRING GuidString;
PKSPROPERTY Property;
NTSTATUS Status;
DPRINT("IKsClock_DispatchDeviceIoControl\n");
/* get current io stack */
IoStack = IoGetCurrentIrpStackLocation(Irp);
/* FIXME support events */
ASSERT(IoStack->Parameters.DeviceIoControl.IoControlCode == IOCTL_KS_PROPERTY);
/* sanity check */
ASSERT(IoStack->Parameters.DeviceIoControl.InputBufferLength >= sizeof(KSPROPERTY));
/* call property handler */
Status = KsPropertyHandler(Irp, 1, ClockPropertySet);
/* get property from input buffer */
Property = (PKSPROPERTY)IoStack->Parameters.DeviceIoControl.Type3InputBuffer;
RtlStringFromGUID(&Property->Set, &GuidString);
DPRINT("IKsClock_DispatchDeviceIoControl property Set |%S| Id %u Flags %x Status %lx ResultLength %lu\n", GuidString.Buffer, Property->Id, Property->Flags, Status, Irp->IoStatus.Information);
RtlFreeUnicodeString(&GuidString);
Irp->IoStatus.Status = STATUS_SUCCESS;
CompleteRequest(Irp, IO_NO_INCREMENT);
return STATUS_SUCCESS;
}
