minix/drivers/libdriver_asyn/drvlib.h

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/* IBM device driver definitions Author: Kees J. Bot
* 7 Dec 1995
*/
#include <ibm/partition.h>
_PROTOTYPE( void partition, (struct driver *dr, int device, int style, int atapi) );
/* BIOS parameter table layout. */
#define bp_cylinders(t) (* (u16_t *) (&(t)[0]))
#define bp_heads(t) (* (u8_t *) (&(t)[2]))
#define bp_reduced_wr(t) (* (u16_t *) (&(t)[3]))
#define bp_precomp(t) (* (u16_t *) (&(t)[5]))
#define bp_max_ecc(t) (* (u8_t *) (&(t)[7]))
#define bp_ctlbyte(t) (* (u8_t *) (&(t)[8]))
#define bp_landingzone(t) (* (u16_t *) (&(t)[12]))
#define bp_sectors(t) (* (u8_t *) (&(t)[14]))
/* Miscellaneous. */
#define DEV_PER_DRIVE (1 + NR_PARTITIONS)
#define MINOR_t0 64
#define MINOR_r0 120
#define MINOR_d0p0s0 128
#define MINOR_fd0p0 (28<<2)
#define P_FLOPPY 0
#define P_PRIMARY 1
#define P_SUB 2