DDI_SLAVEONLY(9F) Kernel Functions for Drivers DDI_SLAVEONLY(9F)


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


Solaris DDI specific (Solaris DDI).

PARAMETERS


dip
A pointer to the device's dev_info structure.


DESCRIPTION


The ddi_slaveonly() 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.

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


The ddi_slaveonly() function can be called from user, interrupt, or
kernel context.

SEE ALSO


Writing Device Drivers


January 16, 2006 DDI_SLAVEONLY(9F)