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/*
* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
* Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
*
* This file is part of LVM2.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License v.2.1.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _LVM_TEXT_IMPORT_EXPORT_H
#define _LVM_TEXT_IMPORT_EXPORT_H
#include "config.h"
#include "metadata.h"
#include "lvmcache.h"
#include <stdio.h>
/*
* Constants to identify files this code can parse.
*/
#define CONTENTS_FIELD "contents"
#define CONTENTS_VALUE "Text Format Volume Group"
#define FORMAT_VERSION_FIELD "version"
#define FORMAT_VERSION_VALUE 1
/*
* VGs, PVs and LVs all have status bitsets, we gather together
* common code for reading and writing them.
*/
enum pv_vg_lv_e {
PV_FLAGS = 1,
VG_FLAGS,
LV_FLAGS,
};
#define COMPATIBLE_FLAG 0x01
#define STATUS_FLAG 0x02
#define SEGTYPE_FLAG 0x04
struct text_vg_version_ops {
int (*check_version) (const struct dm_config_tree * cf);
struct volume_group *(*read_vg) (struct format_instance * fid,
const struct dm_config_tree *cf,
unsigned allow_lvmetad_extensions);
void (*read_desc) (struct dm_pool * mem, const struct dm_config_tree *cf,
time_t *when, char **desc);
int (*read_vgsummary) (const struct format_type *fmt,
const struct dm_config_tree *cft,
struct lvmcache_vgsummary *vgsummary);
};
struct text_vg_version_ops *text_vg_vsn1_init(void);
int print_flags(char *buffer, size_t size, enum pv_vg_lv_e type, int mask, uint64_t status);
int read_flags(uint64_t *status, enum pv_vg_lv_e type, int mask, const struct dm_config_value *cv);
int print_segtype_lvflags(char *buffer, size_t size, uint64_t status);
int read_segtype_lvflags(uint64_t *status, char *segtype_str);
int text_vg_export_file(struct volume_group *vg, const char *desc, FILE *fp);
size_t text_vg_export_raw(struct volume_group *vg, const char *desc, char **buf);
struct volume_group *text_read_metadata_file(struct format_instance *fid,
const char *file,
time_t *when, char **desc);
struct volume_group *text_read_metadata(struct format_instance *fid,
struct device *dev,
const char *file,
struct label_read_data *ld,
struct cached_vg_fmtdata **vg_fmtdata,
unsigned *use_previous_vg,
off_t offset, uint32_t size,
off_t offset2, uint32_t size2,
checksum_fn_t checksum_fn,
uint32_t checksum,
time_t *when, char **desc);
int text_read_metadata_summary(const struct format_type *fmt,
struct device *dev,
struct label_read_data *ld,
off_t offset, uint32_t size,
off_t offset2, uint32_t size2,
checksum_fn_t checksum_fn,
int checksum_only,
struct lvmcache_vgsummary *vgsummary);
#endif
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