/*   md_u.h : user <=> kernel API between Linux raidtools and RAID drivers          Copyright (C) 1998 Ingo Molnar	     This program is free software; you can redistribute it and/or modify   it under the terms of the GNU General Public License as published by   the Free Software Foundation; either version 2, or (at your option)   any later version.      You should have received a copy of the GNU General Public License   (for example /usr/src/linux/COPYING); if not, write to the Free   Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */#ifndef _MD_U_H#define _MD_U_H/* ioctls *//* status */#define RAID_VERSION		_IOR (MD_MAJOR, 0x10, mdu_version_t)#define GET_ARRAY_INFO		_IOR (MD_MAJOR, 0x11, mdu_array_info_t)#define GET_DISK_INFO		_IOR (MD_MAJOR, 0x12, mdu_disk_info_t)#define PRINT_RAID_DEBUG	_IO (MD_MAJOR, 0x13)#define RAID_AUTORUN		_IO (MD_MAJOR, 0x14)/* configuration */#define CLEAR_ARRAY		_IO (MD_MAJOR, 0x20)#define ADD_NEW_DISK		_IOW (MD_MAJOR, 0x21, mdu_disk_info_t)#define HOT_REMOVE_DISK		_IO (MD_MAJOR, 0x22)#define SET_ARRAY_INFO		_IOW (MD_MAJOR, 0x23, mdu_array_info_t)#define SET_DISK_INFO		_IO (MD_MAJOR, 0x24)#define WRITE_RAID_INFO		_IO (MD_MAJOR, 0x25)#define UNPROTECT_ARRAY		_IO (MD_MAJOR, 0x26)#define PROTECT_ARRAY		_IO (MD_MAJOR, 0x27)#define HOT_ADD_DISK		_IO (MD_MAJOR, 0x28)#define SET_DISK_FAULTY		_IO (MD_MAJOR, 0x29)#define HOT_GENERATE_ERROR	_IO (MD_MAJOR, 0x2a)/* usage */#define RUN_ARRAY		_IOW (MD_MAJOR, 0x30, mdu_param_t)#define START_ARRAY		_IO (MD_MAJOR, 0x31)#define STOP_ARRAY		_IO (MD_MAJOR, 0x32)#define STOP_ARRAY_RO		_IO (MD_MAJOR, 0x33)#define RESTART_ARRAY_RW	_IO (MD_MAJOR, 0x34)typedef struct mdu_version_s {	int major;	int minor;	int patchlevel;} mdu_version_t;typedef struct mdu_array_info_s {	/*	 * Generic constant information	 */	int major_version;	int minor_version;	int patch_version;	int ctime;	int level;	int size;	int nr_disks;	int raid_disks;	int md_minor;	int not_persistent;	/*	 * Generic state information	 */	int utime;		/*  0 Superblock update time		      */	int state;		/*  1 State bits (clean, ...)		      */	int active_disks;	/*  2 Number of currently active disks	      */	int working_disks;	/*  3 Number of working disks		      */	int failed_disks;	/*  4 Number of failed disks		      */	int spare_disks;	/*  5 Number of spare disks		      */	/*	 * Personality information	 */	int layout;		/*  0 the array's physical layout	      */	int chunk_size;	/*  1 chunk size in bytes		      */} mdu_array_info_t;typedef struct mdu_disk_info_s {	/*	 * configuration/status of one particular disk	 */	int number;	int major;	int minor;	int raid_disk;	int state;} mdu_disk_info_t;typedef struct mdu_start_info_s {	/*	 * configuration/status of one particular disk	 */	int major;	int minor;	int raid_disk;	int state;} mdu_start_info_t;typedef struct mdu_param_s{	int			personality;	/* 1,2,3,4 */	int			chunk_size;	/* in bytes */	int			max_fault;	/* unused for now */} mdu_param_t;#endif