Name
ata_dev_classify —
determine device type based on ATA-spec signature
Synopsis
unsigned int ata_dev_classify (const 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).
RETURNS
Device type, ATA_DEV_ATA, ATA_DEV_ATAPI, or ATA_DEV_UNKNOWN
the event of failure.