libATA Developer's Guide
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ata_dev_classify

Name

ata_dev_classify -- determine device type based on ATA-spec signature

Synopsis

unsigned int ata_dev_classify (struct ata_taskfile * tf);

Arguments

tf: ATA taskfile register set for device to be identified

Description

Determine from taskfile register contents whether a device is ATA or ATAPI, as per "Signature and persistence" section of ATA/PI spec (volume 1, sect 5.14).

LOCKING

None.

RETURNS

Device type, ATA_DEV_ATA, ATA_DEV_ATAPI, or ATA_DEV_UNKNOWN the event of failure.

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