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solaris:ddi_slaveonly.9f

ddi_slaveonly


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 in Oracle Solaris 11.4


solaris/ddi_slaveonly.9f.txt · Last modified: 2023/07/19 08:57 by A User Not Logged in