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gpt.h revision 1.5 
      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 	uint8_t		mbr_code[446];
     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_biosboot(int, char *[]);
     94 int	cmd_create(int, char *[]);
     95 int	cmd_destroy(int, char *[]);
     96 int	cmd_label(int, char *[]);
     97 int	cmd_migrate(int, char *[]);
     98 int	cmd_recover(int, char *[]);
     99 int	cmd_remove(int, char *[]);
    100 int	cmd_show(int, char *[]);
    101 
    102 #endif /* _GPT_H_ */
    103