NAME

ddi_slaveonly − tell if a device is installed in a slave access only location

SYNOPSIS

#include <sys/conf.h>
#include <sys/ddi.h>
#include <sys/sunddi.h>
int ddi_slaveonly(dev_info_t ∗dip)

INTERFACE LEVEL

SPARC architecture specific (SPARC DDI). 

ARGUMENTS

dip A pointer to the device’s dev_info structure. 

DESCRIPTION

ddi_slaveonly 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. 

RETURN VALUES

DDI_SUCCESS
The device has been installed in a slave access only location.

DDI_FAILURE
The device has not been installed in a slave access only location. 

CONTEXT

ddi_slaveonly can be called from user or interrupt context. 

SunOS 5.1/SPARC  —  Last change: 24 Oct 1991