NTSTATUS NTAPI
FdoDispatchPnp(IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp)
{
NTSTATUS Status;
PIO_STACK_LOCATION Stack = NULL;
PCM_PARTIAL_RESOURCE_LIST raw;
PCM_PARTIAL_RESOURCE_LIST translated;
ULONG_PTR Information = 0;
Stack = IoGetCurrentIrpStackLocation(Irp);
switch(Stack->MinorFunction)
{
case IRP_MN_START_DEVICE:
{
DPRINT1("Ehci: START_DEVICE\n");
Irp->IoStatus.Status = STATUS_SUCCESS;
Status = ForwardAndWait(DeviceObject, Irp);
raw = &Stack->Parameters.StartDevice.AllocatedResources->List[0].PartialResourceList;
translated = &Stack->Parameters.StartDevice.AllocatedResourcesTranslated->List[0].PartialResourceList;
Status = StartDevice(DeviceObject, raw, translated);
break;
}
case IRP_MN_QUERY_DEVICE_RELATIONS:
{
DPRINT1("Ehci: IRP_MN_QUERY_DEVICE_RELATIONS\n");
switch(Stack->Parameters.QueryDeviceRelations.Type)
{
case BusRelations:
{
PDEVICE_RELATIONS DeviceRelations = NULL;
DPRINT1("Ehci: BusRelations\n");
Status = FdoQueryBusRelations(DeviceObject, &DeviceRelations);
Information = (ULONG_PTR)DeviceRelations;
break;
}
default:
{
DPRINT1("Ehci: Unknown query device relations type\n");
Status = STATUS_NOT_IMPLEMENTED;
break;
}
}
break;
}
case IRP_MN_FILTER_RESOURCE_REQUIREMENTS:
{
DPRINT1("Ehci: IRP_MN_FILTER_RESOURCE_REQUIREMENTS\n");
return ForwardIrpAndForget(DeviceObject, Irp);
break;
}
case IRP_MN_QUERY_RESOURCE_REQUIREMENTS:
{
DPRINT1("Ehci: IRP_MN_QUERY_RESOURCE_REQUIREMENTS\n");
}
case IRP_MN_QUERY_INTERFACE:
{
DPRINT1("Ehci: IRP_MN_QUERY_INTERFACE\n");
Status = STATUS_SUCCESS;
Information = 0;
Status = ForwardIrpAndForget(DeviceObject, Irp);
return Status;
break;
}
default:
{
DPRINT1("Ehci: IRP_MJ_PNP / Unhandled minor function 0x%lx\n", Stack->MinorFunction);
return ForwardIrpAndForget(DeviceObject, Irp);
}
}
Irp->IoStatus.Information = Information;
Irp->IoStatus.Status = Status;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return Status;
}
NTSTATUS
FdoPnpControl(
PDEVICE_OBJECT DeviceObject,
PIRP Irp)
/*
* FUNCTION: Handle Plug and Play IRPs for the PCI device object
* ARGUMENTS:
* DeviceObject = Pointer to functional device object of the PCI driver
* Irp = Pointer to IRP that should be handled
* RETURNS:
* Status
*/
{
PFDO_DEVICE_EXTENSION DeviceExtension;
PIO_STACK_LOCATION IrpSp;
NTSTATUS Status = Irp->IoStatus.Status;
DPRINT("Called\n");
DeviceExtension = (PFDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
IrpSp = IoGetCurrentIrpStackLocation(Irp);
switch (IrpSp->MinorFunction) {
#if 0
case IRP_MN_CANCEL_REMOVE_DEVICE:
Status = STATUS_NOT_IMPLEMENTED;
break;
case IRP_MN_CANCEL_STOP_DEVICE:
Status = STATUS_NOT_IMPLEMENTED;
break;
case IRP_MN_DEVICE_USAGE_NOTIFICATION:
Status = STATUS_NOT_IMPLEMENTED;
break;
case IRP_MN_FILTER_RESOURCE_REQUIREMENTS:
Status = STATUS_NOT_IMPLEMENTED;
break;
#endif
case IRP_MN_QUERY_DEVICE_RELATIONS:
if (IrpSp->Parameters.QueryDeviceRelations.Type != BusRelations)
break;
Status = FdoQueryBusRelations(DeviceObject, Irp, IrpSp);
Irp->IoStatus.Status = Status;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return Status;
#if 0
case IRP_MN_QUERY_PNP_DEVICE_STATE:
Status = STATUS_NOT_IMPLEMENTED;
break;
case IRP_MN_QUERY_REMOVE_DEVICE:
Status = STATUS_NOT_IMPLEMENTED;
break;
#endif
case IRP_MN_START_DEVICE:
DPRINT("IRP_MN_START_DEVICE received\n");
Status = ForwardIrpAndWait(DeviceObject, Irp);
if (NT_SUCCESS(Status))
Status = FdoStartDevice(DeviceObject, Irp);
Irp->IoStatus.Status = Status;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return Status;
case IRP_MN_QUERY_STOP_DEVICE:
/* We don't support stopping yet */
Status = STATUS_UNSUCCESSFUL;
Irp->IoStatus.Status = Status;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return Status;
case IRP_MN_STOP_DEVICE:
/* We can't fail this one so we fail the QUERY_STOP request that precedes it */
break;
#if 0
case IRP_MN_SURPRISE_REMOVAL:
Status = STATUS_NOT_IMPLEMENTED;
break;
#endif
case IRP_MN_FILTER_RESOURCE_REQUIREMENTS:
break;
case IRP_MN_REMOVE_DEVICE:
/* Detach the device object from the device stack */
IoDetachDevice(DeviceExtension->Ldo);
/* Delete the device object */
IoDeleteDevice(DeviceObject);
/* Return success */
Status = STATUS_SUCCESS;
break;
default:
DPRINT1("Unknown IOCTL 0x%lx\n", IrpSp->MinorFunction);
break;
}
Irp->IoStatus.Status = Status;
IoSkipCurrentIrpStackLocation(Irp);
Status = IoCallDriver(DeviceExtension->Ldo, Irp);
DPRINT("Leaving. Status 0x%X\n", Status);
return Status;
}
