| ATA_DEV_CLASSIFY(9) | libata Library | ATA_DEV_CLASSIFY(9) |
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).
LOCKING¶
None.
RETURNS¶
Device type, ATA_DEV_ATA, ATA_DEV_ATAPI, ATA_DEV_PMP or ATA_DEV_UNKNOWN the event of failure.
AUTHOR¶
Jeff Garzik
Author.
COPYRIGHT¶
| May 2024 | Kernel Hackers Manual 2.6. |