Kernel Functions for Drivers           ddigetdriverprivate(9F)



NAME
     ddigetdriverprivate, ddisetdriverprivate - get or  set
     the address of the device's private data area

SYNOPSIS
     #include 
     #include 
     #include 



     void ddisetdriverprivate(devinfot *dip, void *data);


     void *ddigetdriverprivate(devinfot *dip);


INTERFACE LEVEL
     Solaris DI specific (Solaris DI).

PARAMETERS
     ddigetdriverprivate()

     dip    Pointer to device information  structure to get from.



     ddisetdriverprivate()

     dip     Pointer to device information structure to set.


     data    Data area address to set.


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


     The ddisetdriverprivate() 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 ddigetdriverprivate() function returns  the  contents
     of   devidriverdata.  If  ddisetdriverprivate() has not
     been previously called with dip, an unpredictable  value  is
     returned.





SunOS 5.11          Last change: 16 Jan 2006                    1






Kernel Functions for Drivers           ddigetdriverprivate(9F)



CONTEXT
     These functions can be called from user , interrupt, or ker-
     nel context.

SEE ALSO
     Writing Device Drivers

















































SunOS 5.11          Last change: 16 Jan 2006                    2