/*
 * GPL HEADER START
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 only,
 * as published by the Free Software Foundation.
 *
 * 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 version 2 for more details (a copy is included
 * in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU General Public License
 * version 2 along with this program; If not, see
 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
 *
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 *
 * GPL HEADER END
 */
/*
 * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
 * Use is subject to license terms.
 *
 * Copyright (c) 2012, Whamcloud, Inc.
 */
/*
 * This file is part of Lustre, http://www.lustre.org/
 * Lustre is a trademark of Sun Microsystems, Inc.
 */

#ifndef _MOUNT_UTILS_H_
#define _MOUNT_UTILS_H_

#include <lustre_disk.h>

extern char *progname;
extern int verbose;
extern int failover;

#define vprint(fmt, arg...) if (verbose > 0) printf(fmt, ##arg)
#define verrprint(fmt, arg...) if (verbose >= 0) fprintf(stderr, fmt, ##arg)

/* mo_flags */
#define MO_IS_LOOP		0x01
#define MO_FORCEFORMAT		0x02
#define MO_FAILOVER		0x04
#define MO_DRYRUN		0x08

#define MAX_LOOP_DEVICES	16
#define INDEX_UNASSIGNED	0xFFFF

/* used to describe the options to format the lustre disk, not persistent */
struct mkfs_opts {
	struct lustre_disk_data	mo_ldd; /* to be written in MOUNT_DATA_FILE */
	char	mo_device[128];   /* disk device name */
	char	mo_loopdev[128];  /* in case a loop dev is needed */
	char	mo_mkfsopts[512]; /* options to the backing-store mkfs */
	__u64	mo_device_sz;     /* in KB */
	int	mo_stripe_count;
	int	mo_flags;
	int	mo_mgs_failnodes;
};

int get_mountdata(char *, struct lustre_disk_data *);

/* mkfs/mount helper functions */
void fatal(void);
int run_command_err(char *cmd, int cmdsz, char *error_msg);
int run_command(char *cmd, int cmdsz);
int add_param(char *buf, char *key, char *val);
int get_param(char *buf, char *key, char **val);
char *strscat(char *dst, char *src, int buflen);
char *strscpy(char *dst, char *src, int buflen);
__u64 get_device_size(char* device);

int is_block(char *devname);
void disp_old_e2fsprogs_msg(const char *feature, int make_backfs);
int make_lustre_backfs(struct mkfs_opts *mop);
int write_local_files(struct mkfs_opts *mop);
int read_local_files(struct mkfs_opts *mop);
int is_lustre_target(struct mkfs_opts *mop);

#endif