gpt.h   [plain text]

/*
 * Copyright (c) 2002 Marcel Moolenaar
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * $FreeBSD: src/sbin/gpt/gpt.h,v 1.4 2002/11/02 07:08:15 marcel Exp $
 */

#ifndef _GPT_H_
#define	_GPT_H_

#ifdef __APPLE__
#include <libkern/OSByteOrder.h>
#include <IOKit/storage/IOGUIDPartitionScheme.h>
#include <uuid/uuid.h>
#else
#include <sys/endian.h>
#include <sys/gpt.h>
#include <uuid.h>
#endif

#ifdef __APPLE__
#ifndef bswap16
#define bswap16(x)  OSSwapInt16((x))
#endif
#ifndef bswap32
#define bswap32(x)  OSSwapInt32((x))
#endif
#ifndef bswap64
#define bswap64(x)  OSSwapInt64((x))
#endif
#ifndef htole16
#define htole16(x)  OSSwapHostToLittleInt16((x))
#endif
#ifndef htole32
#define htole32(x)  OSSwapHostToLittleInt32((x))
#endif
#ifndef htole64
#define htole64(x)  OSSwapHostToLittleInt64((x))
#endif
#ifndef le16toh
#define le16toh(x)  OSSwapLittleToHostInt16((x))
#endif
#ifndef le32toh
#define le32toh(x)  OSSwapLittleToHostInt32((x))
#endif
#ifndef le64toh
#define le64toh(x)  OSSwapLittleToHostInt64((x))
#endif
void	bswap_uuid(const uuid_t, uuid_t);
#else
void	le_uuid_dec(void const *, uuid_t *);
void	le_uuid_enc(void *, uuid_t const *);
#endif

#ifdef __APPLE__
UUID_DEFINE(GPT_ENT_TYPE_APPLE_HFS,0x48,0x46,0x53,0x00,0x00,0x00,0x11,0xAA,0xAA,0x11,0x00,0x30,0x65,0x43,0xEC,0xAC);
UUID_DEFINE(GPT_ENT_TYPE_APPLE_UFS,0x55,0x46,0x53,0x00,0x00,0x00,0x11,0xAA,0xAA,0x11,0x00,0x30,0x65,0x43,0xEC,0xAC);
UUID_DEFINE(GPT_ENT_TYPE_INTEL_ESP,0xC1,0x2A,0x73,0x28,0xF8,0x1F,0x11,0xD2,0xBA,0x4B,0x00,0xA0,0xC9,0x3E,0xC9,0x3B);
#endif

struct mbr_part {
	uint8_t		part_flag;		/* bootstrap flags */
	uint8_t		part_shd;		/* starting head */
	uint8_t		part_ssect;		/* starting sector */
	uint8_t		part_scyl;		/* starting cylinder */
	uint8_t		part_typ;		/* partition type */
	uint8_t		part_ehd;		/* end head */
	uint8_t		part_esect;		/* end sector */
	uint8_t		part_ecyl;		/* end cylinder */
	uint16_t	part_start_lo;		/* absolute starting ... */
	uint16_t	part_start_hi;		/* ... sector number */
	uint16_t	part_size_lo;		/* partition size ... */
	uint16_t	part_size_hi;		/* ... in sectors */
};

struct mbr {
	uint16_t	mbr_code[223];
	struct mbr_part	mbr_part[4];
	uint16_t	mbr_sig;
#define	MBR_SIG		0xAA55
};

extern char device_name[];
extern off_t mediasz;
extern u_int parts;
extern u_int secsz;
extern int readonly, verbose;

uint32_t crc32(const void *, size_t);
void	gpt_close(int);
int	gpt_open(const char *);
void*	gpt_read(int, off_t, size_t);
int	gpt_write(int, map_t *);
void	unicode16(short *, const wchar_t *, size_t);

int	cmd_add(int, char *[]);
int	cmd_create(int, char *[]);
int	cmd_destroy(int, char *[]);
int	cmd_migrate(int, char *[]);
int	cmd_recover(int, char *[]);
int	cmd_show(int, char *[]);

#endif /* _GPT_H_ */