sbin/gpt/gpt.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/gpt.h,v 1.11 2006/06/22 22:05:28 marcel Exp $
  27  */
  28
  29 #ifndef _GPT_H_
  30 #define _GPT_H_
  31
  32 #include <sys/endian.h>
  33 #ifdef __FreeBSD__
  34 #include <sys/gpt.h>
  35 /*
  36  * XXX struct gpt_hdr is not a multiple of 8 bytes in size and thus
  37  * contains padding we must not include in the size.
  38  */
  39 #define GPT_SIZE offsetof(struct gpt_hdr, padding)
  40 #endif
  41 #ifdef __NetBSD__
  42 #include <sys/disklabel_gpt.h>
  43 #define GPT_SIZE GPT_HDR_SIZE
  44 #define hdr_uuid hdr_guid
  45 #define ent_uuid ent_guid
  46 #endif
  47
  48 #include <uuid.h>
  49
  50 void    le_uuid_dec(void const *, uuid_t *);
  51 void    le_uuid_enc(void *, uuid_t const *);
  52 int     parse_uuid(const char *, uuid_t *);
  53
  54 struct mbr_part {
  55         uint8_t         part_flag;              /* bootstrap flags */
  56         uint8_t         part_shd;               /* starting head */
  57         uint8_t         part_ssect;             /* starting sector */
  58         uint8_t         part_scyl;              /* starting cylinder */
  59         uint8_t         part_typ;               /* partition type */
  60         uint8_t         part_ehd;               /* end head */
  61         uint8_t         part_esect;             /* end sector */
  62         uint8_t         part_ecyl;              /* end cylinder */
  63         uint16_t        part_start_lo;          /* absolute starting ... */
  64         uint16_t        part_start_hi;          /* ... sector number */
  65         uint16_t        part_size_lo;           /* partition size ... */
  66         uint16_t        part_size_hi;           /* ... in sectors */
  67 };
  68
  69 struct mbr {
  70         uint16_t        mbr_code[223];
  71         struct mbr_part mbr_part[4];
  72         uint16_t        mbr_sig;
  73 #define MBR_SIG         0xAA55
  74 };
  75
  76 extern const char *device_arg;
  77 extern char *device_name;
  78 extern off_t mediasz;
  79 extern u_int parts;
  80 extern u_int secsz;
  81 extern int readonly, verbose;
  82
  83 uint32_t crc32(const void *, size_t);
  84 void    gpt_close(int);
  85 int     gpt_open(const char *);
  86 void*   gpt_read(int, off_t, size_t);
  87 int     gpt_write(int, map_t *);
  88
  89 uint8_t *utf16_to_utf8(uint16_t *);
  90 void    utf8_to_utf16(const uint8_t *, uint16_t *, size_t);
  91
  92 int     cmd_add(int, char *[]);
  93 int     cmd_create(int, char *[]);
  94 int     cmd_destroy(int, char *[]);
  95 int     cmd_label(int, char *[]);
  96 int     cmd_migrate(int, char *[]);
  97 int     cmd_recover(int, char *[]);
  98 int     cmd_remove(int, char *[]);
  99 int     cmd_show(int, char *[]);
 100
 101 #endif /* _GPT_H_ */