ata_dev_classify

Langue: en

Version: October 2010 (fedora - 01/12/10)

Section: 9 (Appels noyau Linux)

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 lqSignature and persistencerq 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.