IDE_POWER_STATE enumeration

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

Syntax


typedef enum  { 
  IdePowerUnSpecified  = 0,
  IdePowerD0           = 1,
  IdePowerD3           = 2
} 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

Header

Irb.h (include Irb.h)

See also

AtaPortRequestPowerStateChange

 

 

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