Block Driver Structures (Compact 2013)

3/26/2014

The following table shows the Block driver functions with a description of the purpose of each.

Programming element

Description

CD_SENSE_DATA

This structure contains sense data.

CDROM_DISCINFO

This structure contains general information on the CD-ROM, such as the first and last track.

CDROM_PLAY_AUDIO_MSF

This structure contains information on the starting and ending minutes, seconds, and frames of the track.

CDROM_READ

This structure contains information on where to start reading information from the CD-ROM.

CDROM_TESTUNITREADY

This structure contains information on whether the unit is ready.

CDROM_TOC

This structure contains information on the CD-ROM table of contents.

DISK_INFO

This structure contains information about the disk device.

DVD_REGIONCE

This structure contains DVD region information.

INQUIRY_DATA

This structure contains information on the CD-ROM device.

SG_BUF

This structure contains information used by read and write IOCTLs.

SG_REQ

This structure contains information that the FAT file system fills. The read and write IOCTLs use this structure.

SGX_BUF

This structure contains scatter/gather buffer information.

STORAGE_IDENTIFICATION

This structure contains identification information that you can use to create a globally unique storage identifier.

See Also

Reference

Block Driver Reference