mdctl-v0.2
[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
52extern char short_options[];
53extern struct option long_options[];
54extern char Version[], Usage[], Help[], Help_create[], Help_build[], Help_assemble[];
55
56/* structures read from config file */
57/* List of mddevice names and uuids */
58typedef struct mddev_uuid_s {
59 char *devname;
60 __u32 uuid[4];
61 struct mddev_uuid_s *next;
62} *mddev_uuid_t;
63
64/* List of device names - wildcards expanded */
65typedef struct mddev_dev_s {
66 char *devname;
67 struct mddev_dev_s *next;
68} *mddev_dev_t;
69
70/*
71 * RAID5 supported algorithms
72 */
73#define ALGORITHM_LEFT_ASYMMETRIC 0
74#define ALGORITHM_RIGHT_ASYMMETRIC 1
75#define ALGORITHM_LEFT_SYMMETRIC 2
76#define ALGORITHM_RIGHT_SYMMETRIC 3
77
78
79extern int Manage_ro(char *devname, int fd, int readonly);
80extern int Manage_runstop(char *devname, int fd, int runstop);
81extern int Manage_subdevs(char *devname, int fd,
82 int devcnt, char *devnames[], int devmodes[]);
83
84
85extern int Assemble(char *mddev, int mdfd,
86 int uuid[4], int uuidset,
87 char *conffile, int scan,
88 int subdevs, char *subdev[],
89 int readonly, int runstop,
90 int verbose, int force);
91
92extern int Build(char *mddev, int mdfd, int chunk, int level,
93 int raiddisks,
94 int subdevs, char *subdev[]);
95
96
97extern int Create(char *mddev, int mdfd,
98 int chunk, int level, int layout, int raiddisks, int sparedisks,
99 int subdevs, char *subdev[],
100 int runstop);
101
102extern int Detail(char *dev);
103extern int Examine(char *dev);
104
105extern int md_get_version(int fd);
106extern int get_linux_version();
107extern int parse_uuid(char *str, int uuid[4]);
108
109extern mddev_uuid_t conf_get_uuids(char *);
110extern mddev_dev_t conf_get_devs(char *);