// wdm.h

typedef enum _PO_FX_PERF_STATE_UNIT {
  PoFxPerfStateUnitOther,
  PoFxPerfStateUnitFrequency,
  PoFxPerfStateUnitBandwidth,
  PoFxPerfStateUnitMaximum
} PO_FX_PERF_STATE_UNIT, *PPO_FX_PERF_STATE_UNIT;
View the official Windows Driver Kit DDI reference

NtDoc

No description available.

Edit description on GitHub

Windows Driver Kit DDI reference (ne-wdm-_po_fx_perf_state_unit)

_PO_FX_PERF_STATE_UNIT enumeration

Description

The PO_FX_PERF_STATE_UNIT enumeration contains values that describe the type of unit that is controlled by the performance states in a PO_FX_COMPONENT_PERF_SET.

Constants

`PoFxPerfStateUnitOther`

Indicates that the performance states control a unit other than frequency or bandwidth.

`PoFxPerfStateUnitFrequency`

Indicates that the performance states control frequency, measured in Hz.

`PoFxPerfStateUnitBandwidth`

Indicates that the performance states control bandwidth, measured in bits per second.

`PoFxPerfStateUnitMaximum`

This value is reserved for system use.

Remarks

The Unit member of the PO_FX_COMPONENT_PERF_SET structure is a value from the PO_FX_PERF_STATE_UNIT enumeration.

PO_FX_PERF_STATE_UNIT - NtDoc