Manual Pages for UNIX Operating System command usage for man ddi_dev_nregs

Kernel Functions for Drivers                    ddi_dev_nregs(9F)



NAME
     ddi_dev_nregs - return the number of register sets a  device
     has

SYNOPSIS
     #include 
     #include 
     #include 



     int ddi_dev_nregs(dev_info_t *dip, int *resultp);


INTERFACE LEVEL
     Solaris DDI specific (Solaris DDI).

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


     resultp    Pointer to an integer that holds  the  number  of
                register sets on return.


DESCRIPTION
     The ddi_dev_nregs() function returns the number of  sets  of
     registers the device has.

RETURN VALUES
     The ddi_dev_nregs() function returns:

     DDI_SUCCESS    A successful return. The number  of  register
                    sets is returned in resultp.


     DDI_FAILURE    The device has no registers.


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

SEE ALSO
     ddi_dev_nintrs(9F), ddi_dev_regsize(9F)


     Writing Device Drivers







SunOS 5.11          Last change: 16 Jan 2006                    1