1*40455Sbill /* dkio.h 1.1 86/01/05 */ 2*40455Sbill /* 3*40455Sbill * Structures and definitions for disk io control commands 4*40455Sbill * 5*40455Sbill * THIS WHOLE AREA NEEDS MORE THOUGHT. FOR NOW JUST IMPLEMENT 6*40455Sbill * ENOUGH TO READ AND WRITE HEADERS ON MASSBUS DISKS. EVENTUALLY 7*40455Sbill * SHOULD BE ABLE TO DETERMINE DRIVE TYPE AND DO OTHER GOOD STUFF. 8*40455Sbill */ 9*40455Sbill 10*40455Sbill /* disk io control commands */ 11*40455Sbill #define DKIOCHDR _IO(d, 1) /* next I/O will read/write header */ 12