'\" t
.\"     Title: ata_qc_issue
.\"    Author: 
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: July 2017
.\"    Manual: libata Core Internals
.\"    Source: Kernel Hackers Manual 4.11.6
.\"  Language: English
.\"
.TH "ATA_QC_ISSUE" "9" "July 2017" "Kernel Hackers Manual 4\&.11\&" "libata Core Internals"
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.SH "NAME"
ata_qc_issue \- issue taskfile to device
.SH "SYNOPSIS"
.HP \w'void\ ata_qc_issue('u
.BI "void ata_qc_issue(struct\ ata_queued_cmd\ *\ " "qc" ");"
.SH "ARGUMENTS"
.PP
\fIstruct ata_queued_cmd * qc\fR
.RS 4
command to issue to device
.RE
.SH "DESCRIPTION"
.PP
Prepare an ATA command to submission to device\&. This includes mapping the data into a DMA\-able area, filling in the S/G table, and finally writing the taskfile to hardware, starting the command\&.
.PP
LOCKING: spin_lock_irqsave(host lock)
.SH "AUTHOR"
.PP
\fBJeff Garzik\fR
.RS 4
Author.
.RE
.SH "COPYRIGHT"
.br