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#ifndef _LINUX_GENHD_H
#define _LINUX_GENHD_H
/*
* genhd.h Copyright (C) 1992 Drew Eckhardt
* Generic hard disk header file by
* Drew Eckhardt
*
* <drew@colorado.edu>
*/
#define EXTENDED_PARTITION 5
struct partition {
unsigned char boot_ind; /* 0x80 - active */
unsigned char head; /* starting head */
unsigned char sector; /* starting sector */
unsigned char cyl; /* starting cylinder */
unsigned char sys_ind; /* What partition type */
unsigned char end_head; /* end head */
unsigned char end_sector; /* end sector */
unsigned char end_cyl; /* end cylinder */
unsigned int start_sect; /* starting sector counting from 0 */
unsigned int nr_sects; /* nr of sectors in partition */
};
struct hd_struct {
long start_sect;
long nr_sects;
};
struct gendisk {
int major; /* major number of driver */
char *major_name; /* name of major driver */
int minor_shift; /* number of times minor is shifted to
get real minor */
int max_p; /* maximum partitions per device */
int max_nr; /* maximum number of real devices */
void (*init)(void); /* Initialization called before we do our thing */
struct hd_struct *part; /* partition table */
int *sizes; /* size of device in blocks */
int nr_real; /* number of real devices */
void *real_devices; /* internal use */
struct gendisk *next;
};
extern int NR_GENDISKS; /* total */
extern struct gendisk *gendisk_head; /* linked list of disks */
#endif
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