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Query: ata_dev_classify

OS: suse

Section: 9

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

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
Kernel Hackers Manual 2.6.					     July 2010						       ATA_DEV_CLASSIFY(9)

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