CDROM_PERFORMANCE_EXCEPTION_TYPE enumeration (ntddcdrm.h)
The CDROM_PERFORMANCE_EXCEPTION_TYPE enumeration defines the exceptional conditions 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_EXCEPTION_TYPE {
CdromNominalPerformance,
CdromEntirePerformanceList,
CdromPerformanceExceptionsOnly
} CDROM_PERFORMANCE_EXCEPTION_TYPE, *PCDROM_PERFORMANCE_EXCEPTION_TYPE;
Constants
CdromNominalPerformance Requests nominal performance parameters. |
CdromEntirePerformanceList Requests the entire performance list, as qualified by the StartingLba field of the CDROM_PERFORMANCE_REQUEST structure. |
CdromPerformanceExceptionsOnly Requests only performance exceptions that cause the performance to fall outside the nominal. |
Requirements
Requirement | Value |
---|---|
Header | ntddcdrm.h (include Ntddcdrm.h) |
See also
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