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98 lines
2.2 KiB
C
98 lines
2.2 KiB
C
/*
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* PROJECT: ReactOS ISA PnP Bus driver
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* LICENSE: GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
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* PURPOSE: FDO-specific code
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* COPYRIGHT: Copyright 2010 Cameron Gutman <cameron.gutman@reactos.org>
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* Copyright 2020 Hervé Poussineau <hpoussin@reactos.org>
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*/
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#include "isapnp.h"
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#define NDEBUG
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#include <debug.h>
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static
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CODE_SEG("PAGE")
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NTSTATUS
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IsaFdoStartDevice(
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_In_ PISAPNP_FDO_EXTENSION FdoExt,
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_Inout_ PIRP Irp,
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_In_ PIO_STACK_LOCATION IrpSp)
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{
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UNREFERENCED_PARAMETER(Irp);
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UNREFERENCED_PARAMETER(IrpSp);
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PAGED_CODE();
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FdoExt->Common.State = dsStarted;
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return STATUS_SUCCESS;
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}
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static
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CODE_SEG("PAGE")
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NTSTATUS
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IsaFdoQueryDeviceRelations(
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_In_ PISAPNP_FDO_EXTENSION FdoExt,
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_Inout_ PIRP Irp,
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_In_ PIO_STACK_LOCATION IrpSp)
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{
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PAGED_CODE();
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if (IrpSp->Parameters.QueryDeviceRelations.Type != BusRelations)
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return Irp->IoStatus.Status;
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return IsaPnpFillDeviceRelations(FdoExt, Irp, TRUE);
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}
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CODE_SEG("PAGE")
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NTSTATUS
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IsaFdoPnp(
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_In_ PISAPNP_FDO_EXTENSION FdoExt,
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_Inout_ PIRP Irp,
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_In_ PIO_STACK_LOCATION IrpSp)
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{
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NTSTATUS Status = Irp->IoStatus.Status;
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PAGED_CODE();
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switch (IrpSp->MinorFunction)
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{
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case IRP_MN_START_DEVICE:
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Status = IsaForwardIrpSynchronous(FdoExt, Irp);
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if (NT_SUCCESS(Status))
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Status = IsaFdoStartDevice(FdoExt, Irp, IrpSp);
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Irp->IoStatus.Status = Status;
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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return Status;
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case IRP_MN_STOP_DEVICE:
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FdoExt->Common.State = dsStopped;
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Status = STATUS_SUCCESS;
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break;
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case IRP_MN_QUERY_DEVICE_RELATIONS:
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Status = IsaFdoQueryDeviceRelations(FdoExt, Irp, IrpSp);
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Irp->IoStatus.Status = Status;
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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return Status;
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case IRP_MN_FILTER_RESOURCE_REQUIREMENTS:
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DPRINT("IRP_MN_FILTER_RESOURCE_REQUIREMENTS\n");
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break;
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default:
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DPRINT1("Unknown PnP code: %x\n", IrpSp->MinorFunction);
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break;
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}
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IoSkipCurrentIrpStackLocation(Irp);
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return IoCallDriver(FdoExt->Ldo, Irp);
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}
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