ata_tf_read_block(9) centos man page | unix.com

ATA_TF_READ_BLOCK(9)					       libata Core Internals					      ATA_TF_READ_BLOCK(9)

NAME
       ata_tf_read_block - Read block address from ATA taskfile

SYNOPSIS
       u64 ata_tf_read_block(struct ata_taskfile * tf, struct ata_device * dev);

ARGUMENTS
       tf
	   ATA taskfile of interest

       dev
	   ATA device tf belongs to

LOCKING
       None.

       Read block address from tf. This function can handle all three address formats - LBA, LBA48 and CHS. tf->protocol and flags select the
       address format to use.

RETURNS
       Block address read from tf.

AUTHOR
       Jeff Garzik
	   Author.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						      ATA_TF_READ_BLOCK(9)