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.TH "ATA_QC_ISSUE_PROT" "9" "09 October 2005" "" ""

.SH NAME
ata_qc_issue_prot \- issue taskfile to device in proto-dependent manner
.SH SYNOPSIS
"SYNOPSIS"
.sp
\fB
.sp
int ata_qc_issue_prot  (struct ata_queued_cmd * \fIqc\fB);
\fR
.SH "ARGUMENTS"
.TP
\fB\fIqc\fB\fR
command to issue to device
.SH "DESCRIPTION"
.PP
Using various libata functions and hooks, this function
starts an ATA command.  ATA commands are grouped into
classes called ``protocols'', and issuing each type of protocol
is slightly different.
.PP
May be used as the \fBqc_issue\fR entry in ata_port_operations.
.SH "LOCKING"
.PP
spin_lock_irqsave(host_set lock)
.SH "RETURNS"
.PP
Zero on success, negative on error.