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      1 /*	$NetBSD: import-export.h,v 1.1.1.1 2008/12/22 00:18:16 haad Exp $	*/
      2 
      3 /*
      4  * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
      5  * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
      6  *
      7  * This file is part of LVM2.
      8  *
      9  * This copyrighted material is made available to anyone wishing to use,
     10  * modify, copy, or redistribute it subject to the terms and conditions
     11  * of the GNU Lesser General Public License v.2.1.
     12  *
     13  * You should have received a copy of the GNU Lesser General Public License
     14  * along with this program; if not, write to the Free Software Foundation,
     15  * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
     16  */
     17 
     18 #ifndef _LVM_TEXT_IMPORT_EXPORT_H
     19 #define _LVM_TEXT_IMPORT_EXPORT_H
     20 
     21 #include "config.h"
     22 #include "lvm-types.h"
     23 #include "metadata.h"
     24 
     25 #include <stdio.h>
     26 
     27 /*
     28  * Constants to identify files this code can parse.
     29  */
     30 #define CONTENTS_FIELD "contents"
     31 #define CONTENTS_VALUE "Text Format Volume Group"
     32 
     33 #define FORMAT_VERSION_FIELD "version"
     34 #define FORMAT_VERSION_VALUE 1
     35 
     36 /*
     37  * VGs, PVs and LVs all have status bitsets, we gather together
     38  * common code for reading and writing them.
     39  */
     40 enum {
     41 	COMPATIBLE_FLAG = 0x0,
     42 	VG_FLAGS,
     43 	PV_FLAGS,
     44 	LV_FLAGS,
     45 	STATUS_FLAG = 0x8,
     46 };
     47 
     48 struct text_vg_version_ops {
     49 	int (*check_version) (struct config_tree * cf);
     50 	struct volume_group *(*read_vg) (struct format_instance * fid,
     51 					 struct config_tree * cf);
     52 	void (*read_desc) (struct dm_pool * mem, struct config_tree * cf,
     53 			   time_t *when, char **desc);
     54 	const char *(*read_vgname) (const struct format_type *fmt,
     55 				    struct config_tree *cft,
     56 				    struct id *vgid, uint32_t *vgstatus,
     57 				    char **creation_host);
     58 };
     59 
     60 struct text_vg_version_ops *text_vg_vsn1_init(void);
     61 
     62 int print_flags(uint32_t status, int type, char *buffer, size_t size);
     63 int read_flags(uint32_t *status, int type, struct config_value *cv);
     64 
     65 int print_tags(struct dm_list *tags, char *buffer, size_t size);
     66 int read_tags(struct dm_pool *mem, struct dm_list *tags, struct config_value *cv);
     67 
     68 int text_vg_export_file(struct volume_group *vg, const char *desc, FILE *fp);
     69 int text_vg_export_raw(struct volume_group *vg, const char *desc, char **buf);
     70 struct volume_group *text_vg_import_file(struct format_instance *fid,
     71 					 const char *file,
     72 					 time_t *when, char **desc);
     73 struct volume_group *text_vg_import_fd(struct format_instance *fid,
     74 				       const char *file,
     75 				       struct device *dev,
     76 				       off_t offset, uint32_t size,
     77 				       off_t offset2, uint32_t size2,
     78 				       checksum_fn_t checksum_fn,
     79 				       uint32_t checksum,
     80 				       time_t *when, char **desc);
     81 const char *text_vgname_import(const struct format_type *fmt,
     82 			       struct device *dev,
     83                                off_t offset, uint32_t size,
     84                                off_t offset2, uint32_t size2,
     85                                checksum_fn_t checksum_fn, uint32_t checksum,
     86                                struct id *vgid, uint32_t *vgstatus,
     87 			       char **creation_host);
     88 
     89 #endif
     90