X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Modules%2FFilesystems%2FNTFS%2Fcommon.h;h=598120d27c9023e7260448f114ce9ccd58355afa;hb=3681dbf27244ee07ae618a9d33a608ae6089d3c5;hp=ba25c18af93482fb65ea8304ab8a279bfaa447da;hpb=377247d261f82cc9c26ccd06cc075594b12bd760;p=tpg%2Facess2.git

diff --git a/Modules/Filesystems/NTFS/common.h b/Modules/Filesystems/NTFS/common.h
index ba25c18a..598120d2 100644
--- a/Modules/Filesystems/NTFS/common.h
+++ b/Modules/Filesystems/NTFS/common.h
@@ -1,14 +1,76 @@
 /*
+ * Acess2 - NTFS Driver
+ * By John Hodge (thePowersGang)
+ * This file is published under the terms of the Acess licence. See the
+ * file COPYING for details.
+ *
+ * common.h - Common Types and Definitions
  */
 #ifndef _COMMON_H_
 #define _COMMON_H_
 
+#include <acess.h>
+#include <vfs.h>
+
+typedef Uint16	WCHAR;
+
 // === STRUCTURES ===
+/**
+ * In-memory representation of an NTFS Disk
+ */
 typedef struct sNTFS_Disk
 {
+	 int	FD;
+	 int	CacheHandle;
+	 
+	 int	ClusterSize;
+	Uint64	MFTBase;
+	Uint32	MFTRecSize;
 	
+	tVFS_Node	RootNode;
 }	tNTFS_Disk;
 
+typedef 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	Unkown;	// 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	tNTFS_BootSector;
+
+/**
+ * FILE header, an entry in the MFT
+ */
 typedef struct sNTFS_FILE_Header
 {
 	Uint32	Magic;	// 'FILE'
@@ -46,8 +108,11 @@ typedef struct sNTFS_FILE_Header
 		}	All;
 	} OSDep;	
 	
-}	tNTFS_FILE_Header;
+} PACKED	tNTFS_FILE_Header;
 
+/**
+ * File Attribute, follows the FILE header
+ */
 typedef struct sNTFS_FILE_Attrib
 {
 	Uint32	Type;	// See eNTFS_FILE_Attribs
@@ -83,6 +148,6 @@ typedef struct sNTFS_FILE_Attrib
 			// Data Runs
 		}	NonResident;
 	};
-}	tNTFS_FILE_Attrib;
+} PACKED	tNTFS_FILE_Attrib;
 
 #endif