minix/common/include/arch/i386/partition.h

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2005-04-21 16:53:53 +02:00
/* Description of entry in partition table. */
#ifndef _PARTITION_H
#define _PARTITION_H
struct part_entry {
unsigned char bootind; /* boot indicator 0/ACTIVE_FLAG */
unsigned char start_head; /* head value for first sector */
unsigned char start_sec; /* sector value + cyl bits for first sector */
unsigned char start_cyl; /* track value for first sector */
unsigned char sysind; /* system indicator */
unsigned char last_head; /* head value for last sector */
unsigned char last_sec; /* sector value + cyl bits for last sector */
unsigned char last_cyl; /* track value for last sector */
unsigned long lowsec; /* logical first sector */
unsigned long size; /* size of partition in sectors */
};
#define ACTIVE_FLAG 0x80 /* value for active in bootind field (hd0) */
#define NR_PARTITIONS 4 /* number of entries in partition table */
#define PART_TABLE_OFF 0x1BE /* offset of partition table in boot sector */
/* Partition types. */
#define NO_PART 0x00 /* unused entry */
#define MINIX_PART 0x81 /* Minix partition type */
#endif /* _PARTITION_H */