80643c90e3
but is useful to have handy. EFI GPT partitions are used instead of the fdisk+disklabel combination. They are pure 64 bit LBA, are fully extensible, support up to 16383 partitons per disk, etc.
71 lines
2.4 KiB
C
71 lines
2.4 KiB
C
/*
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* Copyright (c) 2002 Marcel Moolenaar
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _GPT_H_
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#define _GPT_H_
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struct mbr {
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uint16_t mbr_code[223];
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struct {
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uint8_t part_flag; /* bootstrap flags */
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uint8_t part_shd; /* starting head */
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uint8_t part_ssect; /* starting sector */
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uint8_t part_scyl; /* starting cylinder */
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uint8_t part_typ; /* partition type */
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uint8_t part_ehd; /* end head */
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uint8_t part_esect; /* end sector */
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uint8_t part_ecyl; /* end cylinder */
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uint16_t part_start_lo; /* absolute starting ... */
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uint16_t part_start_hi; /* ... sector number */
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uint16_t part_size_lo; /* partition size ... */
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uint16_t part_size_hi; /* ... in sectors */
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} mbr_part[4];
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uint16_t mbr_sig;
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#define MBR_SIG 0xAA55
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};
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extern char device_name[];
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extern off_t mediasz;
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extern u_int parts;
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extern u_int secsz;
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extern int readonly, verbose;
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uint32_t crc32(const void *, size_t);
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void gpt_close(int);
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int gpt_open(const char *);
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void* gpt_read(int, off_t, size_t);
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int gpt_write(int, map_t *);
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void unicode16(short *, const wchar_t *, size_t);
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int cmd_destroy(int, char *[]);
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int cmd_migrate(int, char *[]);
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int cmd_recover(int, char *[]);
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int cmd_show(int, char *[]);
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#endif /* _GPT_H_ */
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