X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;ds=sidebyside;f=KernelLand%2FModules%2FFilesystems%2FNTFS%2Fntfs.h;fp=KernelLand%2FModules%2FFilesystems%2FNTFS%2Fntfs.h;h=797d2db8b463dd26df073f1e8839a5bc56f68f28;hb=3baaddee040c6e58d3fdb10c3d04b69354e221e7;hp=0000000000000000000000000000000000000000;hpb=cdf177534936e5380ff41a5c073367553e8a55bf;p=tpg%2Facess2.git

diff --git a/KernelLand/Modules/Filesystems/NTFS/ntfs.h b/KernelLand/Modules/Filesystems/NTFS/ntfs.h
new file mode 100644
index 00000000..797d2db8
--- /dev/null
+++ b/KernelLand/Modules/Filesystems/NTFS/ntfs.h
@@ -0,0 +1,178 @@
+/*
+ * Acess2 NTFS Driver
+ * - By John Hodge (thePowersGang)
+ *
+ * ntfs.h
+ * - NTFS on-disk structures
+ */
+#ifndef _NTFS__NTFS_H_
+#define _NTFS__NTFS_H_
+
+typedef struct sNTFS_BootSector	tNTFS_BootSector;
+
+struct sNTFS_BootSector
+{
+	// 0
+	Uint8	Jump[3];
+	Uint8	SystemID[8];	// = "NTFS    "
+	Uint16	BytesPerSector;
+	Uint8	SectorsPerCluster;
+	
+	// 0xE
+	Uint8	_unused[7];
+	Uint8	MediaDescriptor;
+	Uint16	_unused2;
+	Uint16	SectorsPerTrack;
+	Uint16	Heads;
+	
+	// 0x1C
+	Uint64	_unused3;
+	Uint32	_unknown;	// Usually 0x00800080 (according to Linux docs)
+	
+	// 0x28
+	Uint64	TotalSectorCount;	// Size of volume in sectors
+	Uint64	MFTStart;	// Logical Cluster Number of Cluster 0 of MFT
+	Uint64	MFTMirrorStart;	// Logical Cluster Number of Cluster 0 of MFT Backup
+	
+	// 0x40
+	// If either of these are -ve, the size can be obtained via
+	// SizeInBytes = 2^(-1 * Value)
+	Sint8	ClustersPerMFTRecord;
+	Uint8	_unused4[3];
+	Sint8	ClustersPerIndexRecord;
+	Uint8	_unused5[3];
+	
+	Uint64	SerialNumber;
+	
+	Uint8	Padding[512-0x50];
+	
+} PACKED;
+
+/**
+ * FILE header, an entry in the MFT
+ */
+typedef struct sNTFS_FILE_Header
+{
+	Uint32	Magic;	// 'FILE'
+	Uint16	UpdateSequenceOfs;
+	Uint16	UpdateSequenceSize;	// Size in words of the UpdateSequenceArray
+	
+	Uint64	LSN;	// $LogFile Sequence Number
+	
+	Uint16	SequenceNumber;
+	Uint16	HardLinkCount;	
+	Uint16	FirstAttribOfs;	// Size of header?
+	Uint16	Flags;	// 0: In Use, 1: Directory
+	
+	Uint32	RecordSize;		// Real Size of FILE Record
+	Uint32	RecordSpace;	// Allocated Size for FILE Record
+	
+	/**
+	 * Base address of the MFT containing this record
+	 */
+	Uint64	Reference;	// "File reference to the base FILE record" ???
+	
+	Uint16	NextAttribID;
+	union
+	{
+		// Only in XP
+		struct {
+			Uint16	AlignTo4Byte;
+			Uint16	RecordNumber;	// Number of this MFT Record
+			Uint16	UpdateSequenceNumber;
+			Uint16	UpdateSequenceArray[];
+		}	XP;
+		struct {
+			Uint16	UpdateSequenceNumber;
+			Uint16	UpdateSequenceArray[];
+		}	All;
+	} OSDep;	
+	
+} PACKED	tNTFS_FILE_Header;
+
+/**
+ * File Attribute, follows the FILE header
+ */
+typedef struct sNTFS_FILE_Attrib
+{
+	Uint32	Type;	// See eNTFS_FILE_Attribs
+	Uint32	Size;	// Includes header
+	
+	Uint8	NonresidentFlag;
+	Uint8	NameLength;
+	Uint16	NameOffset;
+	Uint16	Flags;	// 0: Compressed, 14: Encrypted, 15: Sparse
+	Uint16	AttributeID;
+	
+	union
+	{
+		struct {
+			Uint32	AttribLen;	// In words
+			Uint16	AttribOfs;
+			Uint8	IndexedFlag;
+			Uint8	Padding;
+			
+			Uint16	Name[];	// UTF-16
+			// Attribute Data
+		}	Resident;
+		struct {
+			Uint64	StartingVCN;	// VCN of first data run
+			Uint64	LastVCN;	// Last VCN in data runs
+			Uint16	DataRunOfs;
+			Uint16	CompressionUnitSize;
+			Uint32	Padding;
+			Uint64	AllocatedSize;	// Allocated clusters in bytes
+			Uint64	RealSize;
+			Uint64	InitiatedSize;	// One assumes, ammount of actual data stored
+			Uint16	Name[];	// UTF-16
+			// Data Runs
+		}	NonResident;
+	};
+} PACKED	tNTFS_FILE_Attrib;
+
+#include "attributes.h"
+
+struct sNTFS_IndexHeader
+{
+	Uint32	Magic;	// = 'INDX' LE
+	Uint16	UpdateSequenceOfs;
+	Uint16	UpdateSequenceSize;	// incl number
+	Uint64	LogFileSequenceNum;
+	Uint64	ThisVCN;
+	Uint32	EntriesOffset;	// add 0x18
+	Uint32	EntriesSize;	// (maybe) add 0x18
+	Uint32	EntriesAllocSize;
+	Uint8	Flags;	// [0]: Not leaf node
+	Uint8	_pad[3];
+	Uint16	UpdateSequence;
+	Uint16	UpdateSequenceArray[];
+} PACKED;
+
+struct sNTFS_IndexEntry_Filename
+{
+	Uint64	MFTReference;
+	Uint16	EntrySize;
+	Uint16	FilenameOfs;
+	Uint16	IndexFlags;
+	Uint16	_flags;
+
+	#if 1
+	struct sNTFS_Attrib_Filename	Filename;
+	#else
+	Uint64	ParentMFTReference;
+	Uint64	CreationTime;
+	Uint64	ModifcationTime;
+	Uint64	MFTModTime;
+	Uint64	AccessTime;
+	Uint64	AllocSize;
+	Uint64	RealSize;
+	Uint64	FileFlags;
+	
+	Uint8	FilenameLen;
+	Uint8	FilenameNamespace;
+	#endif
+	// Filename
+};
+
+#endif
+