| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | /* |
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| 3 | * fs/partitions/atari.h |
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| 4 | * Moved by Russell King from: |
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| 5 | * |
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| 6 | * linux/include/linux/atari_rootsec.h |
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| 7 | * definitions for Atari Rootsector layout |
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| 8 | * by Andreas Schwab (schwab@ls5.informatik.uni-dortmund.de) |
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| 9 | * |
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| 10 | * modified for ICD/Supra partitioning scheme restricted to at most 12 |
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| 11 | * partitions |
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| 12 | * by Guenther Kelleter (guenther@pool.informatik.rwth-aachen.de) |
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| 13 | */ |
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| 14 | |
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| 15 | #include <linux/compiler.h> |
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| 16 | |
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| 17 | struct partition_info |
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| 18 | { |
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| 19 | u8 flg; /* bit 0: active; bit 7: bootable */ |
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| 20 | char id[3]; /* "GEM", "BGM", "XGM", or other */ |
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| 21 | __be32 st; /* start of partition */ |
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| 22 | __be32 siz; /* length of partition */ |
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| 23 | }; |
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| 24 | |
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| 25 | struct rootsector |
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| 26 | { |
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| 27 | char unused[0x156]; /* room for boot code */ |
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| 28 | struct partition_info icdpart[8]; /* info for ICD-partitions 5..12 */ |
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| 29 | char unused2[0xc]; |
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| 30 | u32 hd_siz; /* size of disk in blocks */ |
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| 31 | struct partition_info part[4]; |
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| 32 | u32 bsl_st; /* start of bad sector list */ |
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| 33 | u32 bsl_cnt; /* length of bad sector list */ |
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| 34 | u16 checksum; /* checksum for bootable disks */ |
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| 35 | } __packed; |
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| 36 | |
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| 37 | |
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