'\" t
.\"     Title: ata_tf_read_block
.\"    Author: 
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: March 2017
.\"    Manual: libata Core Internals
.\"    Source: Kernel Hackers Manual 4.10.7
.\"  Language: English
.\"
.TH "ATA_TF_READ_BLOCK" "9" "March 2017" "Kernel Hackers Manual 4\&.10\&" "libata Core Internals"
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.SH "NAME"
ata_tf_read_block \- Read block address from ATA taskfile
.SH "SYNOPSIS"
.HP \w'u64\ ata_tf_read_block('u
.BI "u64 ata_tf_read_block(const\ struct\ ata_taskfile\ *\ " "tf" ", struct\ ata_device\ *\ " "dev" ");"
.SH "ARGUMENTS"
.PP
\fItf\fR
.RS 4
ATA taskfile of interest
.RE
.PP
\fIdev\fR
.RS 4
ATA device
\fItf\fR
belongs to
.RE
.SH "DESCRIPTION"
.PP
LOCKING: None\&.
.PP
Read block address from
\fItf\fR\&. This function can handle all three address formats \- LBA, LBA48 and CHS\&. tf\->protocol and flags select the address format to use\&.
.SH "RETURN"
.PP
Block address read from
\fItf\fR\&.
.SH "AUTHOR"
.PP
\fBJeff Garzik\fR
.RS 4
Author.
.RE
.SH "COPYRIGHT"
.br