/* dkio.h 4.2 82/08/01 */ /* * Structures and definitions for disk io control commands * * THIS WHOLE AREA NEEDS MORE THOUGHT. FOR NOW JUST IMPLEMENT * ENOUGH TO READ AND WRITE HEADERS ON MASSBUS DISKS. EVENTUALLY * SHOULD BE ABLE TO DETERMINE DRIVE TYPE AND DO OTHER GOOD STUFF. */ /* disk io control commands */ #define DKIOCHDR _IO(d, 1) /* next I/O will read/write header */