xref: /dragonfly/sbin/gpt/map.h (revision 2b7dbe20)
1 /*-
2  * Copyright (c) 2002 Marcel Moolenaar
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  *
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  *
26  * $FreeBSD: src/sbin/gpt/map.h,v 1.6 2005/08/31 01:47:19 marcel Exp $
27  * $DragonFly: src/sbin/gpt/map.h,v 1.2 2007/06/17 08:34:59 dillon Exp $
28  */
29 
30 #ifndef _MAP_H_
31 #define	_MAP_H_
32 
33 typedef struct map {
34 	off_t	map_start;
35 	off_t	map_size;
36 	struct map *map_next;
37 	struct map *map_prev;
38 	int	map_type;
39 #define	MAP_TYPE_UNUSED		0
40 #define	MAP_TYPE_MBR		1
41 #define	MAP_TYPE_MBR_PART	2
42 #define	MAP_TYPE_PRI_GPT_HDR	3
43 #define	MAP_TYPE_SEC_GPT_HDR	4
44 #define	MAP_TYPE_PRI_GPT_TBL	5
45 #define	MAP_TYPE_SEC_GPT_TBL	6
46 #define	MAP_TYPE_GPT_PART	7
47 #define	MAP_TYPE_PMBR		8
48 	unsigned int map_index;
49 #define NOENTRY		((unsigned int)-1)
50 	void 	*map_data;
51 } map_t;
52 
53 extern int lbawidth;
54 
55 map_t *mkmap(off_t start, off_t size, int type);
56 map_t *map_add(off_t, off_t, int, void*);
57 map_t *map_alloc(off_t, off_t);
58 map_t *map_find(int);
59 map_t *map_first(void);
60 map_t *map_last(void);
61 
62 off_t map_free(off_t, off_t);
63 
64 void map_init(off_t);
65 
66 #endif /* _MAP_H_ */
67