ddi_driver_major(9F)

NAME

     ddi_driver_major - return driver's major device number

SYNOPSIS

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

     major_t ddi_driver_major(dev_info_t *dip);

INTERFACE LEVEL

     Solaris DDI specific (Solaris DDI)

DESCRIPTION

     ddi_driver_major() returns the major device number  for  the
     driver  associated  with  the  supplied  dev_info node. This
     value can then be used as an argument to  makedevice(9F)  to
     construct a complete dev_t.

PARAMETERS

     dip   A pointer to the device's dev_info structure.

RETURN VALUES

     ddi_driver_major() returns the major number  of  the  driver
     bound to a device, if any, or DDI_MAJOR_T_NONE otherwise.

CONTEXT

     ddi_driver_major() can be called from  kernel  or  interrupt
     context.

SEE ALSO

     ddi_driver_name(9F)

     Writing Device Drivers