diff options
Diffstat (limited to 'mdctl.h')
| -rw-r--r-- | mdctl.h | 110 |
1 files changed, 110 insertions, 0 deletions
@@ -0,0 +1,110 @@ +/* + * 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" + +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; + +/* + * RAID5 supported algorithms + */ +#define ALGORITHM_LEFT_ASYMMETRIC 0 +#define ALGORITHM_RIGHT_ASYMMETRIC 1 +#define ALGORITHM_LEFT_SYMMETRIC 2 +#define ALGORITHM_RIGHT_SYMMETRIC 3 + + +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 raiddisks, int sparedisks, + int subdevs, char *subdev[], + int runstop); + +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 mddev_uuid_t conf_get_uuids(char *); +extern mddev_dev_t conf_get_devs(char *); |