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CDROM_PERFORMANCE_TOLERANCE_TYPE enumeration

The CDROM_PERFORMANCE_TOLERANCE_TYPE enumeration defines the allowable tolerances for performance data. It is a member of the CDROM_PERFORMANCE_REQUEST structure, which is used as an input parameter to the IOCTL_CDROM_GET_PERFORMANCE I/O control request.

Syntax


typedef enum _CDROM_PERFORMANCE_TOLERANCE_TYPE { 
   Cdrom10Nominal20Exceptions   = 1
} CDROM_PERFORMANCE_TOLERANCE_TYPE, *PCDROM_PERFORMANCE_TOLERANCE_TYPE;

Constants

Cdrom10Nominal20Exceptions

Specifies that the descriptors returned have a 10% performance tolerance for the nominal performance and a 20% time tolerance for the exception list.

Requirements

Header

Ntddcdrm.h (include Ntddcdrm.h)

See also

CDROM_PERFORMANCE_REQUEST
IOCTL_CDROM_GET_PERFORMANCE

 

 

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