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/* -------------------------------------------
Copyright (C) 2024-2025, Amlal El Mahrouss, all rights reserved.
------------------------------------------- */
#pragma once
#include <cstdint>
#include <cstring>
#define kHeFSVersion (0x0101)
#define kHeFSMagic " HeFS"
#define kHeFSMagicLen (8)
#define kHeFSFileNameLen (256U)
#define kHeFSPartNameLen (128U)
#define kHeFSDefaultVoluneName u8"HeFS Volume"
namespace mkfs::hefs {
// Drive kinds
enum {
kHeFSHardDrive = 0xC0, // Hard Drive
kHeFSSolidStateDrive = 0xC1, // Solid State Drive
kHeFSOpticalDrive = 0x0C, // Blu-Ray/DVD
kHeFSMassStorageDevice = 0xCC, // USB
kHeFSScsiDrive = 0xC4, // SCSI Hard Drive
kHeFSFlashDrive = 0xC6,
kHeFSUnknown = 0xFF, // Unknown device.
kHeFSDriveCount = 7,
};
// Disk status
enum {
kHeFSStatusUnlocked = 0x18,
kHeFSStatusLocked,
kHeFSStatusError,
kHeFSStatusInvalid,
kHeFSStatusCount,
};
// Encodings
enum {
kHeFSEncodingFlagsUTF8 = 0x00,
kHeFSEncodingFlagsUTF16,
kHeFSEncodingFlagsUTF32,
kHeFSEncodingFlagsUTF16BE,
kHeFSEncodingFlagsUTF16LE,
kHeFSEncodingFlagsUTF32BE,
kHeFSEncodingFlagsUTF32LE,
kHeFSEncodingFlagsUTF8BE,
kHeFSEncodingFlagsUTF8LE,
kHeFSEncodingFlagsBinary,
kHeFSEncodingFlagsCount,
};
// Time type
using ATime = std::uint64_t;
// File kinds
inline constexpr uint16_t kHeFSFileKindRegular = 0x00;
inline constexpr uint16_t kHeFSFileKindDirectory = 0x01;
inline constexpr uint16_t kHeFSFileKindBlock = 0x02;
inline constexpr uint16_t kHeFSFileKindCharacter = 0x03;
inline constexpr uint16_t kHeFSFileKindFIFO = 0x04;
inline constexpr uint16_t kHeFSFileKindSocket = 0x05;
inline constexpr uint16_t kHeFSFileKindSymbolicLink = 0x06;
inline constexpr uint16_t kHeFSFileKindUnknown = 0x07;
inline constexpr uint16_t kHeFSFileKindCount = 0x08;
// Red-black tree colors
enum {
kHeFSInvalidColor = 0,
kHeFSRed = 100,
kHeFSBlack,
kHeFSColorCount,
};
// Time constants
inline constexpr ATime kHeFSTimeInvalid = 0x0000000000000000;
inline constexpr ATime kHeFSTimeMax = 0xFFFFFFFFFFFFFFFF - 1;
// Boot Node
struct __attribute__((packed)) BootNode {
char magic[kHeFSMagicLen]{};
char8_t volumeName[kHeFSPartNameLen]{};
std::uint32_t version{};
std::uint64_t badSectors{};
std::uint64_t sectorCount{};
std::uint64_t sectorSize{};
std::uint32_t checksum{};
std::uint8_t diskKind{};
std::uint8_t encoding{};
std::uint64_t startIND{};
std::uint64_t endIND{};
std::uint64_t indCount{};
std::uint64_t diskSize{};
std::uint16_t diskStatus{};
std::uint16_t diskFlags{};
std::uint16_t vid{};
std::uint64_t startIN{};
std::uint64_t endIN{};
std::uint64_t reserved3{};
std::uint64_t reserved4{};
char pad[272]{};
};
} // namespace mkfs::hefs
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