967a2675ba
This covers disk like media like SD card, CF cards, regular hard disks and also USB mass storage devices. Most common used partition table is still of DOS type. This implementation is prepared to support more partition types in the future. Signed-off-by: Juergen Beisert <jbe@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
/*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef DISKS_H
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#define DISKS_H
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struct block_device;
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/** Size of one sector in bytes */
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#define SECTOR_SIZE 512
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/** Size of one sector in bit shift */
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#define SECTOR_SHIFT 9
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/**
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* Description of one partition table entry (D*S type)
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*/
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struct partition_entry {
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uint8_t boot_indicator; /*! Maybe marked as an active partition */
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uint8_t chs_begin[3]; /*! Start of the partition in cylinders, heads and sectors */
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uint8_t type; /*! Filesystem type */
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uint8_t chs_end[3]; /*! End of the partition in cylinders, heads and sectors */
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uint32_t partition_start; /*! Start of the partition in LBA notation */
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uint32_t partition_size; /*! Start of the partition in LBA notation */
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} __attribute__ ((packed));
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extern int parse_partition_table(struct block_device*);
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#endif /* DISKS_H */
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