/* <vms/lib/bbddef.h>
 *
 *	F11DEF - bad block descriptor definitions	[not in Starlet]
 */
#ifndef _BBDDEF_H
#define _BBDDEF_H

/*
   Bad block descriptor (generated by formatters for RK06, RM03, et al)
 */
#define BBD$K_DESCRIPT	8	/* start of bad block descriptors */
#define BBD$C_DESCRIPT	8
#define BBD$S_BBDDEF	512
struct bbddef {
    unsigned long bbd$l_serial;		/* pack serial number */
    unsigned short bbd$w_reserved;	/* reserved area (MBZ) */
    unsigned short bbd$w_flags;		/* pack status flags (zero for normal use) */
    char bbddef$_fill[500];
    unsigned long bbd$l_lastword;	/* last longword of block */
};

#define BBD$S_CYLINDER	15
#define BBD$S_SECTOR	8
#define BBD$S_TRACK	7

#define BBD$K_ENTRY	4
#define BBD$C_ENTRY	4
#define BBD$S_BBDDEF1	4
union bbddef1 {
    unsigned long bbd$l_badblock;	/* individual bad block entry */
    struct {
	unsigned bbd$v_cylinder : 15;	/* cylinder number of bad block */
	unsigned		: 1;
	unsigned bbd$v_sector	: 8;	/* sector number of bad block */
	unsigned bbd$v_track	: 7;	/* track number of bad block */
	unsigned		: 1;	/* padding */
    } bbd$r_badblock_bits;
};

#endif	/*_BBDDEF_H*/