Current File : //usr/share/man/man9f/ddi_slaveonly.9f

'\" te
.\" Copyright (c) 2006, Sun Microsystems, Inc.
.TH ddi_slaveonly 9F "16 Jan 2006" "SunOS 5.11" "Kernel Functions for Drivers"
.SH NAME
ddi_slaveonly \- tell if a device is installed in a slave access only location
.SH SYNOPSIS
.LP
.nf
#include <sys/conf.h>
#include <sys/ddi.h>
#include <sys/sunddi.h>

\fBint\fR \fBddi_slaveonly\fR(\fBdev_info_t\fR \fI*dip\fR);
.fi

.SH INTERFACE LEVEL
.sp
.LP
Solaris DDI specific (Solaris DDI).
.SH PARAMETERS
.sp
.ne 2
.mk
.na
\fB\fIdip\fR\fR
.ad
.RS 7n
.rt  
A pointer to the device's \fBdev_info\fR structure.
.RE

.SH DESCRIPTION
.sp
.LP
The \fBddi_slaveonly()\fR function tells the caller if the bus, or part of the bus that the device is installed on, does not permit the device to become a DMA master, that is, whether the device has been installed in a slave access only slot.
.SH RETURN VALUES
.sp
.ne 2
.mk
.na
\fB\fBDDI_SUCCESS\fR\fR
.ad
.RS 15n
.rt  
The device has been installed in a slave access only location.
.RE

.sp
.ne 2
.mk
.na
\fB\fBDDI_FAILURE\fR\fR
.ad
.RS 15n
.rt  
The device has not been installed in a slave access only location.
.RE

.SH CONTEXT
.sp
.LP
The \fBddi_slaveonly()\fR function can be called from user, interrupt, or kernel context.
.SH SEE ALSO
.sp
.LP
\fIWriting Device Drivers for Oracle Solaris 11.2\fR