power.c File Reference

#include "pciidex.h"

Include dependency graph for power.c:

Go to the source code of this file.

Functions
static NTSTATUS	PciIdeXPdoDispatchPower (_In_ PPDO_DEVICE_EXTENSION PdoExtension, _In_ PIRP Irp)
static NTSTATUS	PciIdeXFdoDispatchPower (_In_ PFDO_DEVICE_EXTENSION FdoExtension, _In_ PIRP Irp)
NTSTATUS NTAPI	PciIdeXDispatchPower (_In_ PDEVICE_OBJECT DeviceObject, _Inout_ PIRP Irp)

Function Documentation

PciIdeXDispatchPower()

NTSTATUS NTAPI PciIdeXDispatchPower	(	_In_ PDEVICE_OBJECT	DeviceObject,
		_Inout_ PIRP	Irp
	)

Definition at line 53 of file power.c.

{
    PCOMMON_DEVICE_EXTENSION CommonExt = DeviceObject->DeviceExtension;
    NTSTATUS Status;
 
    Status = IoAcquireRemoveLock(&CommonExt->RemoveLock, Irp);
    if (!NT_SUCCESS(Status))
    {
        Irp->IoStatus.Status = Status;
        IoCompleteRequest(Irp, IO_NO_INCREMENT);
 
        return Status;
    }
 
    if (IS_FDO(CommonExt))
        Status = PciIdeXFdoDispatchPower((PVOID)CommonExt, Irp);
    else
        Status = PciIdeXPdoDispatchPower((PVOID)CommonExt, Irp);
 
    IoReleaseRemoveLock(&CommonExt->RemoveLock, Irp);
 
    return Status;
}

Referenced by PciIdeXInitialize().

PciIdeXFdoDispatchPower()

static NTSTATUS PciIdeXFdoDispatchPower ( _In_ PFDO_DEVICE_EXTENSION  FdoExtension, _In_ PIRP  Irp  )

static

Definition at line 42 of file power.c.

{
    PoStartNextPowerIrp(Irp);
    IoSkipCurrentIrpStackLocation(Irp);
    return PoCallDriver(FdoExtension->Common.LowerDeviceObject, Irp);
}

Referenced by PciIdeXDispatchPower().

PciIdeXPdoDispatchPower()

static NTSTATUS PciIdeXPdoDispatchPower ( _In_ PPDO_DEVICE_EXTENSION  PdoExtension, _In_ PIRP  Irp  )

static

Definition at line 12 of file power.c.

{
    NTSTATUS Status;
    PIO_STACK_LOCATION IoStack;
 
    UNREFERENCED_PARAMETER(PdoExtension);
 
    IoStack = IoGetCurrentIrpStackLocation(Irp);
    switch (IoStack->MinorFunction)
    {
        case IRP_MN_SET_POWER:
        case IRP_MN_QUERY_POWER:
            Status = STATUS_SUCCESS;
            Irp->IoStatus.Status = Status;
            break;
 
        default:
            Status = Irp->IoStatus.Status;
            break;
    }
 
    PoStartNextPowerIrp(Irp);
    IoCompleteRequest(Irp, IO_NO_INCREMENT);
    return Status;
}

Referenced by PciIdeXDispatchPower().