mdctl-v0.4.2
[thirdparty/mdadm.git] / mdctl.h
CommitLineData
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>
32extern __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"
53
64c4757e
NB
54extern char short_options[];
55extern struct option long_options[];
56extern char Version[], Usage[], Help[], Help_create[], Help_build[], Help_assemble[];
57
58/* structures read from config file */
59/* List of mddevice names and uuids */
60typedef 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 */
67typedef struct mddev_dev_s {
68 char *devname;
69 struct mddev_dev_s *next;
70} *mddev_dev_t;
71
682c7051
NB
72typedef struct mapping {
73 char *name;
74 int num;
75} mapping_t;
76
77extern char *map_num(mapping_t *map, int num);
78extern int map_name(mapping_t *map, char *name);
79extern mapping_t r5layout[], pers[];
80
82b27616 81extern char *map_dev(int major, int minor);
64c4757e
NB
82
83
84extern int Manage_ro(char *devname, int fd, int readonly);
85extern int Manage_runstop(char *devname, int fd, int runstop);
86extern int Manage_subdevs(char *devname, int fd,
87 int devcnt, char *devnames[], int devmodes[]);
88
89
90extern int Assemble(char *mddev, int mdfd,
91 int uuid[4], int uuidset,
92 char *conffile, int scan,
93 int subdevs, char *subdev[],
94 int readonly, int runstop,
95 int verbose, int force);
96
97extern int Build(char *mddev, int mdfd, int chunk, int level,
98 int raiddisks,
99 int subdevs, char *subdev[]);
100
101
102extern int Create(char *mddev, int mdfd,
682c7051 103 int chunk, int level, int layout, int size, int raiddisks, int sparedisks,
64c4757e 104 int subdevs, char *subdev[],
682c7051 105 int runstop, int verbose);
64c4757e
NB
106
107extern int Detail(char *dev);
108extern int Examine(char *dev);
109
110extern int md_get_version(int fd);
111extern int get_linux_version();
112extern int parse_uuid(char *str, int uuid[4]);
682c7051
NB
113extern int check_ext2(int fd, char *name);
114extern int check_reiser(int fd, char *name);
115extern int check_raid(int fd, char *name);
64c4757e
NB
116
117extern mddev_uuid_t conf_get_uuids(char *);
118extern mddev_dev_t conf_get_devs(char *);