]>
git.ipfire.org Git - thirdparty/mdadm.git/blob - mdctl.h
5aa61ce1cd80a72bfe205e1b14f3dacabbafb203
2 * mdctl - manage Linux "md" devices aka RAID arrays.
4 * Copyright (C) 2001-2002 Neil Brown <neilb@cse.unsw.edu.au>
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.
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.
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
22 * Email: <neilb@cse.unsw.edu.au>
24 * School of Computer Science and Engineering
25 * The University of New South Wales
30 #define __USE_LARGEFILE64
32 extern __off64_t lseek64
__P ((int __fd
, __off64_t __offset
, int __whence
));
34 #include <sys/types.h>
44 #include <linux/kdev_t.h>
46 #include <sys/ioctl.h>
54 extern char short_options
[];
55 extern struct option long_options
[];
56 extern char Version
[], Usage
[], Help
[], Help_create
[], Help_build
[], Help_assemble
[];
58 /* structures read from config file */
59 /* List of mddevice names and identifiers
62 * super-minor=decimal-minor-number-from-superblock
63 * devices=comma,separated,list,of,device,names,with,wildcards
65 * If multiple fields are present, the intersection of all matching
66 * devices is considered
68 typedef struct mddev_ident_s
{
74 int super_minor
; /* -1 if not set */
76 char *devices
; /* comma separated list of device
77 * names with wild cards
79 int level
; /* -10 if not set */
80 int raid_disks
; /* -1 if not set */
82 struct mddev_ident_s
*next
;
85 /* List of device names - wildcards expanded */
86 typedef struct mddev_dev_s
{
88 char disposition
; /* 'a' for add, 'r' for remove, 'f' for fail.
89 * Not set for names read from .config
91 struct mddev_dev_s
*next
;
94 typedef struct mapping
{
100 #define Sendmail "/usr/lib/sendmail -t"
103 extern char *map_num(mapping_t
*map
, int num
);
104 extern int map_name(mapping_t
*map
, char *name
);
105 extern mapping_t r5layout
[], pers
[];
107 extern char *map_dev(int major
, int minor
);
110 extern int Manage_ro(char *devname
, int fd
, int readonly
);
111 extern int Manage_runstop(char *devname
, int fd
, int runstop
);
112 extern int Manage_subdevs(char *devname
, int fd
,
113 mddev_dev_t devlist
);
116 extern int Assemble(char *mddev
, int mdfd
,
120 int readonly
, int runstop
,
121 int verbose
, int force
);
123 extern int Build(char *mddev
, int mdfd
, int chunk
, int level
,
125 mddev_dev_t devlist
);
128 extern int Create(char *mddev
, int mdfd
,
129 int chunk
, int level
, int layout
, int size
, int raiddisks
, int sparedisks
,
130 int subdevs
, mddev_dev_t devlist
,
131 int runstop
, int verbose
, int force
);
133 extern int Detail(char *dev
, int brief
);
134 extern int Examine(mddev_dev_t devlist
, int brief
, char *conffile
);
135 extern int Monitor(mddev_dev_t devlist
,
136 char *mailaddr
, char *alert_cmd
,
140 extern int md_get_version(int fd
);
141 extern int get_linux_version();
142 extern int parse_uuid(char *str
, int uuid
[4]);
143 extern int check_ext2(int fd
, char *name
);
144 extern int check_reiser(int fd
, char *name
);
145 extern int check_raid(int fd
, char *name
);
147 extern mddev_ident_t
conf_get_ident(char *, char*);
148 extern mddev_dev_t
conf_get_devs(char *);
150 extern char *human_size(long kbytes
);