opensolaris man page for ddi_get_driver_private

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

NAME
       ddi_get_driver_private, ddi_set_driver_private - get or set the address of the device's private data area

SYNOPSIS
       #include <sys/conf.h>
       #include <sys/ddi.h>
       #include <sys/sunddi.h>

       void ddi_set_driver_private(dev_info_t *dip, void *data);

       void *ddi_get_driver_private(dev_info_t *dip);

INTERFACE LEVEL
       Solaris DDI specific (Solaris DDI).

PARAMETERS
       ddi_get_driver_private()

       dip    Pointer to device information  structure to get from.

       ddi_set_driver_private()

       dip     Pointer to device information structure to set.

       data    Data area address to set.

DESCRIPTION
       The  ddi_get_driver_private()  function returns the address of the device's private data area from the device information structure pointed
       to by dip.

       The ddi_set_driver_private() function sets the address of the device's private data area in the device information structure pointed to	by
       dip with the value of data.

RETURN VALUES
       The ddi_get_driver_private() function returns the contents of  devi_driver_data. If ddi_set_driver_private() has not been previously called
       with dip, an unpredictable value is returned.

CONTEXT
       These functions can be called from user , interrupt, or kernel context.

SEE ALSO
       Writing Device Drivers

SunOS 5.11							    16 Jan 2006 					ddi_get_driver_private(9F)