| /* |
| * 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 { |
| COMPATIBLE_FLAG = 0x0, |
| VG_FLAGS, |
| PV_FLAGS, |
| LV_FLAGS, |
| STATUS_FLAG = 0x8, |
| }; |
| |
| 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 use_cached_pvs, |
| 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(uint64_t status, int type, char *buffer, size_t size); |
| int read_flags(uint64_t *status, int type, const struct dm_config_value *cv); |
| |
| 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_vg_import_file(struct format_instance *fid, |
| const char *file, |
| time_t *when, char **desc); |
| struct volume_group *text_vg_import_fd(struct format_instance *fid, |
| const char *file, |
| struct cached_vg_fmtdata **vg_fmtdata, |
| unsigned *use_previous_vg, |
| int single_device, |
| struct device *dev, |
| 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_vgsummary_import(const struct format_type *fmt, |
| struct device *dev, |
| 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 |