// wdm.h

typedef enum _D3COLD_LAST_TRANSITION_STATUS {
  LastDStateTransitionStatusUnknown,
  LastDStateTransitionD3hot,
  LastDStateTransitionD3cold
} D3COLD_LAST_TRANSITION_STATUS, *PD3COLD_LAST_TRANSITION_STATUS;
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Windows Driver Kit DDI reference (ne-wdm-_d3cold_last_transition_status)

_D3COLD_LAST_TRANSITION_STATUS enumeration

Description

The D3COLD_LAST_TRANSITION_STATUS enumeration indicates whether the most recent transition to the D3hot device power state was followed by a transition to the D3cold device power state.

Constants

`LastDStateTransitionStatusUnknown`

Information is not available from the bus driver or platform firmware about whether the most recent transition to D3hot was followed by a transition to D3cold.

`LastDStateTransitionD3hot`

The most recent transition to the D3hot device power state was not followed by a transition to the D3cold device power state.

`LastDStateTransitionD3cold`

The most recent transition to the D3hot device power state was followed by a transition to the D3cold device power state.

Remarks

The LastTransitionStatus parameter of the GetLastTransitionStatus routine is a pointer to a variable of type D3COLD_LAST_TRANSITION_STATUS.

D3COLD_LAST_TRANSITION_STATUS - NtDoc