diff options
Diffstat (limited to 'dev/kernel/FSKit')
| -rw-r--r-- | dev/kernel/FSKit/HeFS.h | 107 |
1 files changed, 91 insertions, 16 deletions
diff --git a/dev/kernel/FSKit/HeFS.h b/dev/kernel/FSKit/HeFS.h index 92f396e9..52f01111 100644 --- a/dev/kernel/FSKit/HeFS.h +++ b/dev/kernel/FSKit/HeFS.h @@ -20,12 +20,13 @@ #define kHeFSMagicLen (8)
#define kHeFSFileNameLen (256U)
-#define kHeFSPartNameLen (256U)
+#define kHeFSPartNameLen (128U)
#define kHeFSMinimumDiskSize (gib_cast(4))
struct HeFS_BOOT_NODE;
struct HeFS_INDEX_NODE;
+struct HeFS_INDEX_NODE_DIRECTORY;
enum
{
@@ -48,28 +49,102 @@ enum kHeFSStatusCount,
};
+enum
+{
+ kHeFSEncodingUTF8 = 0x00,
+ kHeFSEncodingUTF16,
+ kHeFSEncodingUTF32,
+ kHeFSEncodingUTF16BE,
+ kHeFSEncodingUTF16LE,
+ kHeFSEncodingUTF32BE,
+ kHeFSEncodingUTF32LE,
+ kHeFSEncodingUTF8BE,
+ kHeFSEncodingUTF8LE,
+ kHeFSEncodingCount,
+};
+
+inline constexpr UInt16 kHeFSFileKindRegular = 0x00;
+inline constexpr UInt16 kHeFSFileKindDirectory = 0x01;
+inline constexpr UInt16 kHeFSFileKindBlock = 0x02;
+inline constexpr UInt16 kHeFSFileKindCharacter = 0x03;
+inline constexpr UInt16 kHeFSFileKindFIFO = 0x04;
+inline constexpr UInt16 kHeFSFileKindSocket = 0x05;
+inline constexpr UInt16 kHeFSFileKindSymbolicLink = 0x06;
+inline constexpr UInt16 kHeFSFileKindUnknown = 0x07;
+inline constexpr UInt16 kHeFSFileKindCount = 0x08;
+
+/// @brief HeFS blocks are array containing sparse blocks of data.
+/// @details The blocks are used to store the data of a file. Each block is a pointer to a block of data on the disk.
+inline constexpr UInt16 fHeFSBlockCount = 0x06;
+
struct PACKED HeFS_BOOT_NODE final
{
- Kernel::Char fMagic[kHeFSMagicLen];
- Kernel::Char fPartName[kHeFSPartNameLen];
- Kernel::UInt32 fVersion;
- Kernel::UInt64 fBadSectors;
- Kernel::UInt64 fSectorCount;
- Kernel::UInt64 fSectorSize;
- Kernel::UInt32 fChecksum;
- Kernel::UInt8 fDriveKind;
- Kernel::UInt8 fTextEncoding;
- Kernel::UInt64 fRootINode;
- Kernel::UInt64 fRecoveryINode;
+ Kernel::Char fMagic[kHeFSMagicLen];
+ Kernel::Utf16Char fVolName[kHeFSPartNameLen];
+ Kernel::UInt32 fVersion;
+ Kernel::UInt64 fBadSectors;
+ Kernel::UInt64 fSectorCount;
+ Kernel::UInt64 fSectorSize;
+ Kernel::UInt32 fChecksum;
+ Kernel::UInt8 fDriveKind;
+ Kernel::UInt8 fEncoding;
+ Kernel::UInt64 fStartIND;
+ Kernel::UInt64 fEndIND;
+ Kernel::UInt64 fINodeCount;
+ Kernel::UInt64 fDiskSize;
+ Kernel::UInt16 fDiskStatus;
+ Kernel::UInt16 fDiskFlags;
+ Kernel::UInt16 fVID; // virtual identification number within an EPM disk.
+};
+
+/// @brief Access time type.
+/// @details Used to keep track of the INode, INodeDir allocation status.
+typedef Kernel::UInt64 ATime;
+
+inline constexpr ATime kHeFSTimeInvalid = 0x0000000000000000;
+inline constexpr ATime kHeFSTimeMax = 0xFFFFFFFFFFFFFFFF;
+
+struct PACKED HeFS_INDEX_NODE final
+{
+ Kernel::Utf16Char fName[kHeFSFileNameLen];
+ Kernel::UInt32 fFlags;
+ Kernel::UInt16 fKind;
+ Kernel::UInt32 fSize;
+ Kernel::UInt32 fChecksum;
+
+ ATime fCreated, fAccessed, fModified, fDeleted;
+ Kernel::UInt32 fUID, fGID;
+ Kernel::UInt32 fMode;
+
+ Kernel::UInt64 fBlockLinkStart[fHeFSBlockCount];
+ Kernel::UInt64 fBlockLinkEnd[fHeFSBlockCount];
+
+ Kernel::UInt64 fBlockStart[fHeFSBlockCount];
+ Kernel::UInt64 fBlockEnd[fHeFSBlockCount];
+
+ Kernel::UInt64 fBlockRecoveryStart[fHeFSBlockCount];
+ Kernel::UInt64 fBlockRecoveryEnd[fHeFSBlockCount];
+
+ /// @brief Red-black tree pointers.
+ Kernel::Lba fNext, fPrev, fChild, fParent;
};
-struct PACKED HeFS_INDEX_NODE
+struct PACKED HeFS_INDEX_NODE_DIRECTORY final
{
- Kernel::Char fName[kHeFSFileNameLen];
+ Kernel::Utf16Char fName[kHeFSFileNameLen];
+
Kernel::UInt32 fFlags;
Kernel::UInt16 fKind;
Kernel::UInt32 fSize;
- Kernel::Lba fFirstINode;
- Kernel::Lba fLastINode;
Kernel::UInt32 fChecksum;
+
+ ATime fCreated, fAccessed, fModified, fDeleted;
+ Kernel::UInt32 fUID, fGID;
+ Kernel::UInt32 fMode;
+
+ Kernel::UInt64 fIndexNodeStart[fHeFSBlockCount];
+ Kernel::UInt64 fIndexNodeEnd[fHeFSBlockCount];
+
+ /// @brief Red-black tree pointers.
+ Kernel::Lba fNext, fPrev, fChild, fParent;
};
\ No newline at end of file |