reactos/drivers/bus/isapnp/fdo.c
Hervé Poussineau 0ca5567894 [ISAPNP] Read all tags when detecting devices, and keep interesting ones
Currently, we only keep device identification, IO ports and IRQs.
2020-03-22 14:29:38 +01:00

90 lines
2 KiB
C

/*
* PROJECT: ReactOS ISA PnP Bus driver
* FILE: fdo.c
* PURPOSE: FDO-specific code
* PROGRAMMERS: Cameron Gutman (cameron.gutman@reactos.org)
* Hervé Poussineau
*/
#include <isapnp.h>
#define NDEBUG
#include <debug.h>
NTSTATUS
NTAPI
IsaFdoStartDevice(
IN PISAPNP_FDO_EXTENSION FdoExt,
IN PIRP Irp,
IN PIO_STACK_LOCATION IrpSp)
{
UNREFERENCED_PARAMETER(Irp);
UNREFERENCED_PARAMETER(IrpSp);
FdoExt->Common.State = dsStarted;
return STATUS_SUCCESS;
}
NTSTATUS
NTAPI
IsaFdoQueryDeviceRelations(
IN PISAPNP_FDO_EXTENSION FdoExt,
IN PIRP Irp,
IN PIO_STACK_LOCATION IrpSp)
{
if (IrpSp->Parameters.QueryDeviceRelations.Type != BusRelations)
return Irp->IoStatus.Status;
return IsaPnpFillDeviceRelations(FdoExt, Irp, TRUE);
}
NTSTATUS
NTAPI
IsaFdoPnp(
IN PISAPNP_FDO_EXTENSION FdoExt,
IN PIRP Irp,
IN PIO_STACK_LOCATION IrpSp)
{
NTSTATUS Status = Irp->IoStatus.Status;
switch (IrpSp->MinorFunction)
{
case IRP_MN_START_DEVICE:
Status = IsaForwardIrpSynchronous(FdoExt, Irp);
if (NT_SUCCESS(Status))
Status = IsaFdoStartDevice(FdoExt, Irp, IrpSp);
Irp->IoStatus.Status = Status;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return Status;
case IRP_MN_STOP_DEVICE:
FdoExt->Common.State = dsStopped;
Status = STATUS_SUCCESS;
break;
case IRP_MN_QUERY_DEVICE_RELATIONS:
Status = IsaFdoQueryDeviceRelations(FdoExt, Irp, IrpSp);
Irp->IoStatus.Status = Status;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return Status;
case IRP_MN_FILTER_RESOURCE_REQUIREMENTS:
DPRINT("IRP_MN_FILTER_RESOURCE_REQUIREMENTS\n");
break;
default:
DPRINT1("Unknown PnP code: %x\n", IrpSp->MinorFunction);
break;
}
IoSkipCurrentIrpStackLocation(Irp);
return IoCallDriver(FdoExt->Ldo, Irp);
}