[thirdparty/mdadm.git] / mdctl.h

/*
 * mdctl - manage Linux "md" devices aka RAID arrays.
 *
 * Copyright (C) 2001 Neil Brown <neilb@cse.unsw.edu.au>
 *
 *
 *    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 of the License, or
 *    (at your option) any later version.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 *
 *    You should have received a copy of the GNU General Public License
 *    along with this program; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 *    Author: Neil Brown
 *    Email: <neilb@cse.unsw.edu.au>
 *    Paper: Neil Brown
 *           School of Computer Science and Engineering
 *           The University of New South Wales
 *           Sydney, 2052
 *           Australia
 */

#define	__USE_LARGEFILE64
#include	<unistd.h>
extern __off64_t lseek64 __P ((int __fd, __off64_t __offset, int __whence));

#include	<sys/types.h>
#include	<sys/stat.h>
#include	<stdlib.h>
#include	<time.h>
#include	<getopt.h>
#include	<fcntl.h>
#include	<stdio.h>
#include	<errno.h>
#include	<string.h>

#include	<linux/kdev_t.h>
#include	<linux/fs.h>
#include	<sys/ioctl.h>
#define	MD_MAJOR 9


#include	"md_u.h"

#define Name "mdctl"

extern char short_options[];
extern struct option long_options[];
extern char Version[], Usage[], Help[], Help_create[], Help_build[], Help_assemble[];

/* structures read from config file */
/* List of mddevice names and uuids */
typedef struct mddev_uuid_s {
	char *devname;
	__u32 uuid[4];
	struct mddev_uuid_s *next;
} *mddev_uuid_t;

/* List of device names - wildcards expanded */
typedef struct mddev_dev_s {
	char *devname;
	struct mddev_dev_s *next;
} *mddev_dev_t;

typedef struct mapping {
	char *name;
	int num;
} mapping_t;

extern char *map_num(mapping_t *map, int num);
extern int map_name(mapping_t *map, char *name);
extern mapping_t r5layout[], pers[];


extern int Manage_ro(char *devname, int fd, int readonly);
extern int Manage_runstop(char *devname, int fd, int runstop);
extern int Manage_subdevs(char *devname, int fd,
			  int devcnt, char *devnames[], int devmodes[]);


extern int Assemble(char *mddev, int mdfd,
		    int uuid[4], int uuidset,
		    char *conffile, int scan,
		    int subdevs, char *subdev[],
		    int readonly, int runstop,
		    int verbose, int force);

extern int Build(char *mddev, int mdfd, int chunk, int level,
		 int raiddisks,
		 int subdevs, char *subdev[]);


extern int Create(char *mddev, int mdfd,
		  int chunk, int level, int layout, int size, int raiddisks, int sparedisks,
		  int subdevs, char *subdev[],
		  int runstop, int verbose);

extern int Detail(char *dev);
extern int Examine(char *dev);

extern int md_get_version(int fd);
extern int get_linux_version();
extern int parse_uuid(char *str, int uuid[4]);
extern int check_ext2(int fd, char *name);
extern int check_reiser(int fd, char *name);
extern int check_raid(int fd, char *name);

extern mddev_uuid_t conf_get_uuids(char *);
extern mddev_dev_t conf_get_devs(char *);
Commit	Line	Data
64c4757e NB	1	/*
	2	* mdctl - manage Linux "md" devices aka RAID arrays.
	3	*
	4	* Copyright (C) 2001 Neil Brown <neilb@cse.unsw.edu.au>
	5	*
	6	*
	7	* This program is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License as published by
	9	* the Free Software Foundation; either version 2 of the License, or
	10	* (at your option) any later version.
	11	*
	12	* This program is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	* GNU General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program; if not, write to the Free Software
	19	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	20	*
	21	* Author: Neil Brown
	22	* Email: <neilb@cse.unsw.edu.au>
	23	* Paper: Neil Brown
	24	* School of Computer Science and Engineering
	25	* The University of New South Wales
	26	* Sydney, 2052
	27	* Australia
	28	*/
	29
	30	#define __USE_LARGEFILE64
	31	#include <unistd.h>
	32	extern __off64_t lseek64 __P ((int __fd, __off64_t __offset, int __whence));
	33
	34	#include <sys/types.h>
	35	#include <sys/stat.h>
	36	#include <stdlib.h>
	37	#include <time.h>
	38	#include <getopt.h>
	39	#include <fcntl.h>
	40	#include <stdio.h>
	41	#include <errno.h>
	42	#include <string.h>
	43
	44	#include <linux/kdev_t.h>
	45	#include <linux/fs.h>
	46	#include <sys/ioctl.h>
	47	#define MD_MAJOR 9
	48
	49
	50	#include "md_u.h"
	51
682c7051 NB	52	#define Name "mdctl"
682c7051 NB	53
64c4757e NB	54	extern char short_options[];
	55	extern struct option long_options[];
	56	extern char Version[], Usage[], Help[], Help_create[], Help_build[], Help_assemble[];
	57
	58	/* structures read from config file */
	59	/* List of mddevice names and uuids */
	60	typedef struct mddev_uuid_s {
	61	char *devname;
	62	__u32 uuid[4];
	63	struct mddev_uuid_s *next;
	64	} *mddev_uuid_t;
	65
	66	/* List of device names - wildcards expanded */
	67	typedef struct mddev_dev_s {
	68	char *devname;
	69	struct mddev_dev_s *next;
	70	} *mddev_dev_t;
	71
682c7051 NB	72	typedef struct mapping {
	73	char *name;
	74	int num;
	75	} mapping_t;
	76
	77	extern char map_num(mapping_t map, int num);
	78	extern int map_name(mapping_t map, char name);
	79	extern mapping_t r5layout[], pers[];
	80
64c4757e NB	81
	82
	83	extern int Manage_ro(char *devname, int fd, int readonly);
	84	extern int Manage_runstop(char *devname, int fd, int runstop);
	85	extern int Manage_subdevs(char *devname, int fd,
	86	int devcnt, char *devnames[], int devmodes[]);
	87
	88
	89	extern int Assemble(char *mddev, int mdfd,
	90	int uuid[4], int uuidset,
	91	char *conffile, int scan,
	92	int subdevs, char *subdev[],
	93	int readonly, int runstop,
	94	int verbose, int force);
	95
	96	extern int Build(char *mddev, int mdfd, int chunk, int level,
	97	int raiddisks,
	98	int subdevs, char *subdev[]);
	99
	100
	101	extern int Create(char *mddev, int mdfd,
682c7051	102	int chunk, int level, int layout, int size, int raiddisks, int sparedisks,
64c4757e	103	int subdevs, char *subdev[],
682c7051	104	int runstop, int verbose);
64c4757e NB	105
	106	extern int Detail(char *dev);
	107	extern int Examine(char *dev);
	108
	109	extern int md_get_version(int fd);
	110	extern int get_linux_version();
	111	extern int parse_uuid(char *str, int uuid[4]);
682c7051 NB	112	extern int check_ext2(int fd, char *name);
	113	extern int check_reiser(int fd, char *name);
	114	extern int check_raid(int fd, char *name);
64c4757e NB	115
	116	extern mddev_uuid_t conf_get_uuids(char *);
	117	extern mddev_dev_t conf_get_devs(char *);