IPortClsPower::RegisterAdapterPowerManagement method (portcls.h)

Article
02/22/2024

The RegisterAdapterPowerManagement method registers the power management interface of the adapter with PortCls.

Syntax

NTSTATUS RegisterAdapterPowerManagement(
  [in] PUNKNOWN       _pUnknown,
  [in] PDEVICE_OBJECT _DeviceObject
);

Parameters

[in] _pUnknown

Specifies a pointer to IUnknown. . PortCls queries this IUnknown object for the IAdapterPowerManagement or the IAdapterPowerManagement2 interface of the adapter.

[in] _DeviceObject

Specifies a pointer to a DEVICE_OBJECT structure that represents the functional device object of the adapter.

Return value

The RegisterAdapterPowerManagement method returns STATUS_SUCCESS if the call is successful. Otherwise, it returns the appropriate error code.

Remarks

When the RegisterAdapterPowerManagement method registers the power management interface for the adapter with PortCls, it allows the adapter driver to be notified of power state change events.

Requirements

Requirement	Value
Minimum supported client	Available in Windows 7 and later versions of Windows.
Target Platform	Universal
Header	portcls.h (include Portcls.h)
IRQL	PASSIVE_LEVEL.