'\" t
.\"     Title: ata_scsi_qc_new
.\"    Author: 
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: April 2019
.\"    Manual: libata SCSI translation/emulation
.\"    Source: Kernel Hackers Manual 4.9.168
.\"  Language: English
.\"
.TH "ATA_SCSI_QC_NEW" "9" "April 2019" "Kernel Hackers Manual 4\&.9\&." "libata SCSI translation/emulat"
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.SH "NAME"
ata_scsi_qc_new \- acquire new ata_queued_cmd reference
.SH "SYNOPSIS"
.HP \w'struct\ ata_queued_cmd\ *\ ata_scsi_qc_new('u
.BI "struct ata_queued_cmd * ata_scsi_qc_new(struct\ ata_device\ *\ " "dev" ", struct\ scsi_cmnd\ *\ " "cmd" ");"
.SH "ARGUMENTS"
.PP
\fIdev\fR
.RS 4
ATA device to which the new command is attached
.RE
.PP
\fIcmd\fR
.RS 4
SCSI command that originated this ATA command
.RE
.SH "DESCRIPTION"
.PP
Obtain a reference to an unused ata_queued_cmd structure, which is the basic libata structure representing a single ATA command sent to the hardware\&.
.PP
If a command was available, fill in the SCSI\-specific portions of the structure with information on the current command\&.
.PP
LOCKING: spin_lock_irqsave(host lock)
.SH "RETURN"
.PP
Command allocated, or
\fBNULL\fR
if none available\&.
.SH "AUTHOR"
.PP
\fBJeff Garzik\fR
.RS 4
Author.
.RE
.SH "COPYRIGHT"
.br