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67 lines
1.4 KiB
C
67 lines
1.4 KiB
C
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/*
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* PROJECT: PCI IDE bus driver extension
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* LICENSE: See COPYING in the top level directory
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* PURPOSE: Power support functions
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* COPYRIGHT: Copyright 2023 Dmitry Borisov <di.sean@protonmail.com>
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*/
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#include "pciidex.h"
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#define NDEBUG
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#include <debug.h>
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static
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NTSTATUS
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PciIdeXPdoDispatchPower(
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_In_ PPDO_DEVICE_EXTENSION PdoExtension,
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_In_ PIRP Irp)
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{
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NTSTATUS Status;
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PIO_STACK_LOCATION IoStack;
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UNREFERENCED_PARAMETER(PdoExtension);
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IoStack = IoGetCurrentIrpStackLocation(Irp);
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switch (IoStack->MinorFunction)
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{
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case IRP_MN_SET_POWER:
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case IRP_MN_QUERY_POWER:
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Status = STATUS_SUCCESS;
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Irp->IoStatus.Status = Status;
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break;
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default:
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Status = Irp->IoStatus.Status;
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break;
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}
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PoStartNextPowerIrp(Irp);
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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return Status;
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}
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static
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NTSTATUS
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PciIdeXFdoDispatchPower(
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_In_ PFDO_DEVICE_EXTENSION FdoExtension,
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_In_ PIRP Irp)
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{
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PoStartNextPowerIrp(Irp);
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IoSkipCurrentIrpStackLocation(Irp);
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return PoCallDriver(FdoExtension->Ldo, Irp);
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}
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NTSTATUS
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NTAPI
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PciIdeXDispatchPower(
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_In_ PDEVICE_OBJECT DeviceObject,
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_Inout_ PIRP Irp)
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{
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PVOID DeviceExtension = DeviceObject->DeviceExtension;
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if (IS_FDO(DeviceExtension))
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return PciIdeXFdoDispatchPower(DeviceExtension, Irp);
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else
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return PciIdeXPdoDispatchPower(DeviceExtension, Irp);
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}
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