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map.h revision 1.6 
      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  */
     28 
     29 #ifndef _MAP_H_
     30 #define	_MAP_H_
     31 
     32 struct map {
     33 	off_t	map_start;
     34 	off_t	map_size;
     35 	struct map *map_next;
     36 	struct map *map_prev;
     37 	int	map_type;
     38 #define	MAP_TYPE_UNUSED		0
     39 #define	MAP_TYPE_MBR		1
     40 #define	MAP_TYPE_MBR_PART	2
     41 #define	MAP_TYPE_PRI_GPT_HDR	3
     42 #define	MAP_TYPE_SEC_GPT_HDR	4
     43 #define	MAP_TYPE_PRI_GPT_TBL	5
     44 #define	MAP_TYPE_SEC_GPT_TBL	6
     45 #define	MAP_TYPE_GPT_PART	7
     46 #define	MAP_TYPE_PMBR		8
     47 	unsigned int map_index;
     48 	void 	*map_data;
     49 	int	map_alloc;
     50 };
     51 
     52 struct gpt;
     53 
     54 struct map *map_add(struct gpt *, off_t, off_t, int, void *, int);
     55 struct map *map_alloc(struct gpt *, off_t, off_t, off_t);
     56 struct map *map_find(struct gpt *, int);
     57 struct map *map_first(struct gpt *);
     58 struct map *map_last(struct gpt *);
     59 off_t map_resize(struct gpt *, struct map *, off_t, off_t);
     60 off_t map_free(struct gpt *, off_t, off_t);
     61 int map_init(struct gpt *, off_t);
     62 
     63 #endif /* _MAP_H_ */
     64