// ntddcdrm.h

typedef enum _CDROM_PERFORMANCE_TYPE {
  CdromReadPerformance,
  CdromWritePerformance
} CDROM_PERFORMANCE_TYPE, *PCDROM_PERFORMANCE_TYPE;
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Windows Driver Kit DDI reference (ne-ntddcdrm-_cdrom_performance_type)

_CDROM_PERFORMANCE_TYPE enumeration

Description

The CDROM_PERFORMANCE_TYPE enumeration defines the read and write performance data requests. 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.

Constants

`CdromReadPerformance`

Requests streaming read performance data.

`CdromWritePerformance`

Requests streaming write performance data.

CDROM_PERFORMANCE_TYPE - NtDoc