FD_IOPORT          18 include/linux/fdreg.h #define FD_STATUS	(4 + FD_IOPORT )
FD_IOPORT          19 include/linux/fdreg.h #define FD_DATA		(5 + FD_IOPORT )
FD_IOPORT          22 include/linux/fdreg.h #define FD_DOR		(2 + FD_IOPORT )
FD_IOPORT          25 include/linux/fdreg.h #define FD_DIR		(7 + FD_IOPORT )
FD_IOPORT          28 include/linux/fdreg.h #define FD_DCR		(7 + FD_IOPORT )