'\" t
.\"     Title: ata_build_rw_tf
.\"    Author: 
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: January 2017
.\"    Manual: libata Core Internals
.\"    Source: Kernel Hackers Manual 4.8.15
.\"  Language: English
.\"
.TH "ATA_BUILD_RW_TF" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "libata Core Internals"
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.SH "NAME"
ata_build_rw_tf \- Build ATA taskfile for given read/write request
.SH "SYNOPSIS"
.HP \w'int\ ata_build_rw_tf('u
.BI "int ata_build_rw_tf(struct\ ata_taskfile\ *\ " "tf" ", struct\ ata_device\ *\ " "dev" ", u64\ " "block" ", u32\ " "n_block" ", unsigned\ int\ " "tf_flags" ", unsigned\ int\ " "tag" ");"
.SH "ARGUMENTS"
.PP
\fItf\fR
.RS 4
Target ATA taskfile
.RE
.PP
\fIdev\fR
.RS 4
ATA device
\fItf\fR
belongs to
.RE
.PP
\fIblock\fR
.RS 4
Block address
.RE
.PP
\fIn_block\fR
.RS 4
Number of blocks
.RE
.PP
\fItf_flags\fR
.RS 4
RW/FUA etc\&.\&.\&.
.RE
.PP
\fItag\fR
.RS 4
tag
.RE
.SH "DESCRIPTION"
.PP
LOCKING: None\&.
.PP
Build ATA taskfile
\fItf\fR
for read/write request described by
\fIblock\fR,
\fIn_block\fR,
\fItf_flags\fR
and
\fItag\fR
on
\fIdev\fR\&.
.SH "RETURN"
.PP
.PP
0 on success, \-ERANGE if the request is too large for
\fIdev\fR, \-EINVAL if the request is invalid\&.
.SH "AUTHOR"
.PP
\fBJeff Garzik\fR
.RS 4
Author.
.RE
.SH "COPYRIGHT"
.br