Kernel Functions for Drivers                    ddislaveonly(9F)



NAME
     ddislaveonly - tell if a device is  installed  in  a  slave
     access only location

SYNOPSIS
     #include 
     #include 
     #include 



     int ddislaveonly(devinfot *dip);


INTERFACE LEVEL
     Solaris DI specific (Solaris DI).

PARAMETERS
     dip    A pointer to the device's devinfo structure.


DESCRIPTION
     The ddislaveonly() 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
     DISUCES    The device has  been  installed  in  a  slave
                    access only location.


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


CONTEXT
     The ddislaveonly() function can be called from user, inter-
     rupt, or kernel context.

SEE ALSO
     Writing Device Drivers













SunOS 5.11          Last change: 16 Jan 2006                    1