sbin/gpt/map.h

   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 *map_add(off_t, off_t, int, void*);
  56 map_t *map_alloc(off_t, off_t);
  57 map_t *map_find(int);
  58 map_t *map_first(void);
  59 map_t *map_last(void);
  60
  61 off_t map_free(off_t, off_t);
  62
  63 void map_init(off_t);
  64
  65 #endif /* _MAP_H_ */