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8b77737f8e
We need to be able to include these definitions from userspace as the upcoming mkfs.fat utility will depend on these.
71 lines
1.4 KiB
C++
71 lines
1.4 KiB
C++
/*
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* Copyright (c) 2022, Undefine <undefine@undefine.pl>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/DOSPackedTime.h>
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#include <AK/EnumBits.h>
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#include <AK/Types.h>
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#include <Kernel/API/FileSystem/FATStructures.h>
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#include <Kernel/Library/KBuffer.h>
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namespace Kernel {
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enum DOSBIOSParameterBlockVersion {
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DOS_BPB_UNKNOWN,
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DOS_BPB_3, // Version 3.4.
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DOS_BPB_4, // Version 4.0
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DOS_BPB_7 // Version 7.0
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};
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enum class FATVersion {
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FAT12,
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FAT16,
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FAT32,
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};
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enum class FATAttributes : u8 {
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ReadOnly = 0x01,
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Hidden = 0x02,
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System = 0x04,
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VolumeID = 0x08,
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Directory = 0x10,
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Archive = 0x20,
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LongFileName = 0x0F
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};
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AK_ENUM_BITWISE_OPERATORS(FATAttributes);
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struct [[gnu::packed]] FATEntry {
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char filename[8];
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char extension[3];
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FATAttributes attributes;
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u8 unused1;
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u8 creation_time_seconds;
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DOSPackedTime creation_time;
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DOSPackedDate creation_date;
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DOSPackedDate last_accessed_date;
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u16 first_cluster_high;
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DOSPackedTime modification_time;
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DOSPackedDate modification_date;
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u16 first_cluster_low;
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u32 file_size;
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};
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static_assert(AssertSize<FATEntry, 32>());
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struct [[gnu::packed]] FATLongFileNameEntry {
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u8 entry_index;
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u16 characters1[5];
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FATAttributes attributes;
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u8 entry_type;
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u8 checksum;
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u16 characters2[6];
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u16 zero;
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u16 characters3[2];
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};
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static_assert(AssertSize<FATLongFileNameEntry, 32>());
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}
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