// ntddmmc.h

typedef struct _FEATURE_DATA_TIMEOUT {
  FEATURE_HEADER Header;
  UCHAR          Group3 : 1;
  UCHAR          Reserved1 : 7;
  UCHAR          Reserved2;
  UCHAR          UnitLength[2];
} FEATURE_DATA_TIMEOUT, *PFEATURE_DATA_TIMEOUT;
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Windows Driver Kit DDI reference (ns-ntddmmc-_feature_data_timeout)

_FEATURE_DATA_TIMEOUT structure

Description

The FEATURE_DATA_TIMEOUT structure holds information about the Time-Out feature.

Members

`Header`

Contains a FEATURE_HEADER structure with header information for this feature descriptor.

`Group3`

`Reserved1`

`Reserved2`

`UnitLength`

Remarks

This structure holds data for the feature named "Time-Out" by the SCSI Multimedia - 4 (MMC-4) specification. Devices that have this feature must respond to commands within a set time period. When these devices cannot complete commands in the allotted time, they complete the commands with an error.

When queried, devices supporting this feature must return the information indicated in FEATURE_HEADER. No other feature-specific information is required.

FEATURE_DATA_TIMEOUT - NtDoc