#ifndef _NTPNPAPI_H

// private
typedef enum _DEVICE_USAGE_NOTIFICATION_TYPE
{
    DeviceUsageTypeUndefined,
    DeviceUsageTypePaging,
    DeviceUsageTypeHibernation,
    DeviceUsageTypeDumpFile,
    DeviceUsageTypeBoot,
    DeviceUsageTypePostDisplay,
    DeviceUsageTypeGuestAssigned
} DEVICE_USAGE_NOTIFICATION_TYPE, *PDEVICE_USAGE_NOTIFICATION_TYPE;

#endif
View code on GitHub

// wdm.h

typedef enum _DEVICE_USAGE_NOTIFICATION_TYPE {
  DeviceUsageTypeUndefined,
  DeviceUsageTypePaging,
  DeviceUsageTypeHibernation,
  DeviceUsageTypeDumpFile,
  DeviceUsageTypeBoot,
  DeviceUsageTypePostDisplay,
  DeviceUsageTypeGuestAssigned,
  DeviceUsageTypeInlineCryptoEngine
} DEVICE_USAGE_NOTIFICATION_TYPE;
View the official Windows Driver Kit DDI reference