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IDE_POWER_STATE enumeration (irb.h)

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The IDE_POWER_STATE enumeration type indicates that power state of the device.

Note  The ATA port driver and ATA miniport driver models may be altered or unavailable in the future. Instead, we recommend using the Storport driver and Storport miniport driver models.
 

Syntax

typedef enum {
  IdePowerUnSpecified,
  IdePowerD0,
  IdePowerD3
} IDE_POWER_STATE;

Constants

 
IdePowerUnSpecified
Indicates that the power level is unspecified.
IdePowerD0
Indicates a device power level of 0.
IdePowerD3
Indicates a device power level of 3.

Remarks

The IDE_POWER_STATE enumeration type is used in conjunction with the AtaPortRequestPowerStateChange routine to request a power state transition for a device.

Requirements

Requirement Value
Header irb.h (include Irb.h)

See also

AtaPortRequestPowerStateChange