forked from mirrors/linux
3ae762a09c
Fill in some padding in the disc record structure, and add GCC packed and aligned attributes to ensure that it is correctly laid out. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
45 lines
1,008 B
C
45 lines
1,008 B
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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#ifndef _UAPI_ADFS_FS_H
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#define _UAPI_ADFS_FS_H
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#include <linux/types.h>
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#include <linux/magic.h>
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/*
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* Disc Record at disc address 0xc00
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*/
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struct adfs_discrecord {
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__u8 log2secsize;
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__u8 secspertrack;
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__u8 heads;
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__u8 density;
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__u8 idlen;
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__u8 log2bpmb;
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__u8 skew;
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__u8 bootoption;
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__u8 lowsector;
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__u8 nzones;
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__le16 zone_spare;
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__le32 root;
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__le32 disc_size;
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__le16 disc_id;
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__u8 disc_name[10];
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__le32 disc_type;
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__le32 disc_size_high;
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__u8 log2sharesize:4;
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__u8 unused40:4;
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__u8 big_flag:1;
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__u8 unused41:7;
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__u8 nzones_high;
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__u8 reserved43;
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__le32 format_version;
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__le32 root_size;
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__u8 unused52[60 - 52];
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} __attribute__((packed, aligned(4)));
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#define ADFS_DISCRECORD (0xc00)
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#define ADFS_DR_OFFSET (0x1c0)
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#define ADFS_DR_SIZE 60
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#define ADFS_DR_SIZE_BITS (ADFS_DR_SIZE << 3)
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#endif /* _UAPI_ADFS_FS_H */
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