// wdfdevice.h

typedef struct _WDF_POWER_POLICY_EVENT_CALLBACKS {
  ULONG                                       Size;
  PFN_WDF_DEVICE_ARM_WAKE_FROM_S0             EvtDeviceArmWakeFromS0;
  PFN_WDF_DEVICE_DISARM_WAKE_FROM_S0          EvtDeviceDisarmWakeFromS0;
  PFN_WDF_DEVICE_WAKE_FROM_S0_TRIGGERED       EvtDeviceWakeFromS0Triggered;
  PFN_WDF_DEVICE_ARM_WAKE_FROM_SX             EvtDeviceArmWakeFromSx;
  PFN_WDF_DEVICE_DISARM_WAKE_FROM_SX          EvtDeviceDisarmWakeFromSx;
  PFN_WDF_DEVICE_WAKE_FROM_SX_TRIGGERED       EvtDeviceWakeFromSxTriggered;
  PFN_WDF_DEVICE_ARM_WAKE_FROM_SX_WITH_REASON EvtDeviceArmWakeFromSxWithReason;
} WDF_POWER_POLICY_EVENT_CALLBACKS, *PWDF_POWER_POLICY_EVENT_CALLBACKS;
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Windows Driver Kit DDI reference (ns-wdfdevice-_wdf_power_policy_event_callbacks)

_WDF_POWER_POLICY_EVENT_CALLBACKS structure

Description

[Applies to KMDF and UMDF]

The WDF_POWER_POLICY_EVENT_CALLBACKS structure contains pointers to a driver's power policy event callback functions.

Members

`Size`

The size, in bytes, of this structure.

`EvtDeviceArmWakeFromS0`

A pointer to the driver's EvtDeviceArmWakeFromS0 event callback function, or NULL.

`EvtDeviceDisarmWakeFromS0`

A pointer to the driver's EvtDeviceDisarmWakeFromS0 event callback function, or NULL.

`EvtDeviceWakeFromS0Triggered`

A pointer to the driver's EvtDeviceWakeFromS0Triggered event callback function, or NULL.

`EvtDeviceArmWakeFromSx`

A pointer to the driver's EvtDeviceArmWakeFromSx event callback function, or NULL.

`EvtDeviceDisarmWakeFromSx`

A pointer to the driver's EvtDeviceDisarmWakeFromSx event callback function, or NULL.

`EvtDeviceWakeFromSxTriggered`

A pointer to the driver's EvtDeviceWakeFromSxTriggered event callback function, or NULL.

`EvtDeviceArmWakeFromSxWithReason`

A pointer to the driver's EvtDeviceArmWakeFromSxWithReason event callback function, or NULL.

Remarks

The WDF_POWER_POLICY_EVENT_CALLBACKS structure is used as input to the WdfDeviceInitSetPowerPolicyEventCallbacks method.

Your driver should initialize its WDF_POWER_POLICY_EVENT_CALLBACKS structure by calling WDF_POWER_POLICY_EVENT_CALLBACKS_INIT.

WDF_POWER_POLICY_EVENT_CALLBACKS - NtDoc