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760d1fac55
To have better control were the config tree could be modified use more const pointers and very carefully downcast them back to non-const (for config tree merge).
89 lines
2.9 KiB
C
89 lines
2.9 KiB
C
/*
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* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
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* Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
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*
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* This file is part of LVM2.
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*
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* This copyrighted material is made available to anyone wishing to use,
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* modify, copy, or redistribute it subject to the terms and conditions
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* of the GNU Lesser General Public License v.2.1.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _LVM_TEXT_IMPORT_EXPORT_H
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#define _LVM_TEXT_IMPORT_EXPORT_H
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#include "config.h"
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#include "lvm-types.h"
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#include "metadata.h"
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#include <stdio.h>
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/*
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* Constants to identify files this code can parse.
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*/
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#define CONTENTS_FIELD "contents"
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#define CONTENTS_VALUE "Text Format Volume Group"
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#define FORMAT_VERSION_FIELD "version"
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#define FORMAT_VERSION_VALUE 1
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/*
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* VGs, PVs and LVs all have status bitsets, we gather together
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* common code for reading and writing them.
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*/
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enum {
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COMPATIBLE_FLAG = 0x0,
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VG_FLAGS,
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PV_FLAGS,
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LV_FLAGS,
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STATUS_FLAG = 0x8,
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};
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struct text_vg_version_ops {
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int (*check_version) (const struct config_tree * cf);
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struct volume_group *(*read_vg) (struct format_instance * fid,
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const struct config_tree *cf,
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unsigned use_cached_pvs);
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void (*read_desc) (struct dm_pool * mem, const struct config_tree *cf,
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time_t *when, char **desc);
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const char *(*read_vgname) (const struct format_type *fmt,
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const struct config_tree *cft,
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struct id *vgid, uint64_t *vgstatus,
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char **creation_host);
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};
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struct text_vg_version_ops *text_vg_vsn1_init(void);
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int print_flags(uint64_t status, int type, char *buffer, size_t size);
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int read_flags(uint64_t *status, int type, const struct config_value *cv);
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char *alloc_printed_tags(struct dm_list *tags);
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int read_tags(struct dm_pool *mem, struct dm_list *tags, const struct config_value *cv);
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int text_vg_export_file(struct volume_group *vg, const char *desc, FILE *fp);
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int text_vg_export_raw(struct volume_group *vg, const char *desc, char **buf);
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struct volume_group *text_vg_import_file(struct format_instance *fid,
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const char *file,
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time_t *when, char **desc);
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struct volume_group *text_vg_import_fd(struct format_instance *fid,
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const char *file,
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struct device *dev,
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off_t offset, uint32_t size,
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off_t offset2, uint32_t size2,
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checksum_fn_t checksum_fn,
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uint32_t checksum,
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time_t *when, char **desc);
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const char *text_vgname_import(const struct format_type *fmt,
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struct device *dev,
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off_t offset, uint32_t size,
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off_t offset2, uint32_t size2,
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checksum_fn_t checksum_fn, uint32_t checksum,
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struct id *vgid, uint64_t *vgstatus,
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char **creation_host);
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#endif
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