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diff --git a/fs/udf/osta_udf.h b/fs/udf/osta_udf.h
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+/*
+ * osta_udf.h
+ *
+ * This file is based on OSTA UDF(tm) 2.50 (April 30, 2003)
+ * http://www.osta.org
+ *
+ * Copyright (c) 2001-2004 Ben Fennema <bfennema@falcon.csc.calpoly.edu>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU Public License ("GPL").
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "ecma_167.h"
+
+#ifndef _OSTA_UDF_H
+#define _OSTA_UDF_H 1
+
+/* OSTA CS0 Charspec (UDF 2.50 2.1.2) */
+#define UDF_CHAR_SET_TYPE 0
+#define UDF_CHAR_SET_INFO "OSTA Compressed Unicode"
+
+/* Entity Identifier (UDF 2.50 2.1.5) */
+/* Identifiers (UDF 2.50 2.1.5.2) */
+#define UDF_ID_DEVELOPER "*Linux UDFFS"
+#define UDF_ID_COMPLIANT "*OSTA UDF Compliant"
+#define UDF_ID_LV_INFO "*UDF LV Info"
+#define UDF_ID_FREE_EA "*UDF FreeEASpace"
+#define UDF_ID_FREE_APP_EA "*UDF FreeAppEASpace"
+#define UDF_ID_DVD_CGMS "*UDF DVD CGMS Info"
+#define UDF_ID_OS2_EA "*UDF OS/2 EA"
+#define UDF_ID_OS2_EA_LENGTH "*UDF OS/2 EALength"
+#define UDF_ID_MAC_VOLUME "*UDF Mac VolumeInfo"
+#define UDF_ID_MAC_FINDER "*UDF Mac FinderInfo"
+#define UDF_ID_MAC_UNIQUE "*UDF Mac UniqueIDTable"
+#define UDF_ID_MAC_RESOURCE "*UDF Mac ResourceFork"
+#define UDF_ID_VIRTUAL "*UDF Virtual Partition"
+#define UDF_ID_SPARABLE "*UDF Sparable Partition"
+#define UDF_ID_ALLOC "*UDF Virtual Alloc Tbl"
+#define UDF_ID_SPARING "*UDF Sparing Table"
+#define UDF_ID_METADATA "*UDF Metadata Partition"
+
+/* Identifier Suffix (UDF 2.50 2.1.5.3) */
+#define IS_DF_HARD_WRITE_PROTECT 0x01
+#define IS_DF_SOFT_WRITE_PROTECT 0x02
+
+struct UDFIdentSuffix {
+ __le16 UDFRevision;
+ uint8_t OSClass;
+ uint8_t OSIdentifier;
+ uint8_t reserved[4];
+} __attribute__ ((packed));
+
+struct impIdentSuffix {
+ uint8_t OSClass;
+ uint8_t OSIdentifier;
+ uint8_t reserved[6];
+} __attribute__ ((packed));
+
+struct appIdentSuffix {
+ uint8_t impUse[8];
+} __attribute__ ((packed));
+
+/* Logical Volume Integrity Descriptor (UDF 2.50 2.2.6) */
+/* Implementation Use (UDF 2.50 2.2.6.4) */
+struct logicalVolIntegrityDescImpUse {
+ struct regid impIdent;
+ __le32 numFiles;
+ __le32 numDirs;
+ __le16 minUDFReadRev;
+ __le16 minUDFWriteRev;
+ __le16 maxUDFWriteRev;
+ uint8_t impUse[0];
+} __attribute__ ((packed));
+
+/* Implementation Use Volume Descriptor (UDF 2.50 2.2.7) */
+/* Implementation Use (UDF 2.50 2.2.7.2) */
+struct impUseVolDescImpUse {
+ struct charspec LVICharset;
+ dstring logicalVolIdent[128];
+ dstring LVInfo1[36];
+ dstring LVInfo2[36];
+ dstring LVInfo3[36];
+ struct regid impIdent;
+ uint8_t impUse[128];
+} __attribute__ ((packed));
+
+struct udfPartitionMap2 {
+ uint8_t partitionMapType;
+ uint8_t partitionMapLength;
+ uint8_t reserved1[2];
+ struct regid partIdent;
+ __le16 volSeqNum;
+ __le16 partitionNum;
+} __attribute__ ((packed));
+
+/* Virtual Partition Map (UDF 2.50 2.2.8) */
+struct virtualPartitionMap {
+ uint8_t partitionMapType;
+ uint8_t partitionMapLength;
+ uint8_t reserved1[2];
+ struct regid partIdent;
+ __le16 volSeqNum;
+ __le16 partitionNum;
+ uint8_t reserved2[24];
+} __attribute__ ((packed));
+
+/* Sparable Partition Map (UDF 2.50 2.2.9) */
+struct sparablePartitionMap {
+ uint8_t partitionMapType;
+ uint8_t partitionMapLength;
+ uint8_t reserved1[2];
+ struct regid partIdent;
+ __le16 volSeqNum;
+ __le16 partitionNum;
+ __le16 packetLength;
+ uint8_t numSparingTables;
+ uint8_t reserved2[1];
+ __le32 sizeSparingTable;
+ __le32 locSparingTable[4];
+} __attribute__ ((packed));
+
+/* Metadata Partition Map (UDF 2.4.0 2.2.10) */
+struct metadataPartitionMap {
+ uint8_t partitionMapType;
+ uint8_t partitionMapLength;
+ uint8_t reserved1[2];
+ struct regid partIdent;
+ __le16 volSeqNum;
+ __le16 partitionNum;
+ __le32 metadataFileLoc;
+ __le32 metadataMirrorFileLoc;
+ __le32 metadataBitmapFileLoc;
+ __le32 allocUnitSize;
+ __le16 alignUnitSize;
+ uint8_t flags;
+ uint8_t reserved2[5];
+} __attribute__ ((packed));
+
+/* Virtual Allocation Table (UDF 1.5 2.2.10) */
+struct virtualAllocationTable15 {
+ __le32 VirtualSector[0];
+ struct regid vatIdent;
+ __le32 previousVATICBLoc;
+} __attribute__ ((packed));
+
+#define ICBTAG_FILE_TYPE_VAT15 0x00U
+
+/* Virtual Allocation Table (UDF 2.50 2.2.11) */
+struct virtualAllocationTable20 {
+ __le16 lengthHeader;
+ __le16 lengthImpUse;
+ dstring logicalVolIdent[128];
+ __le32 previousVATICBLoc;
+ __le32 numFiles;
+ __le32 numDirs;
+ __le16 minReadRevision;
+ __le16 minWriteRevision;
+ __le16 maxWriteRevision;
+ __le16 reserved;
+ uint8_t impUse[0];
+ __le32 vatEntry[0];
+} __attribute__ ((packed));
+
+#define ICBTAG_FILE_TYPE_VAT20 0xF8U
+
+/* Sparing Table (UDF 2.50 2.2.12) */
+struct sparingEntry {
+ __le32 origLocation;
+ __le32 mappedLocation;
+} __attribute__ ((packed));
+
+struct sparingTable {
+ struct tag descTag;
+ struct regid sparingIdent;
+ __le16 reallocationTableLen;
+ __le16 reserved;
+ __le32 sequenceNum;
+ struct sparingEntry
+ mapEntry[0];
+} __attribute__ ((packed));
+
+/* Metadata File (and Metadata Mirror File) (UDF 2.50 2.2.13.1) */
+#define ICBTAG_FILE_TYPE_MAIN 0xFA
+#define ICBTAG_FILE_TYPE_MIRROR 0xFB
+#define ICBTAG_FILE_TYPE_BITMAP 0xFC
+
+/* struct struct long_ad ICB - ADImpUse (UDF 2.50 2.2.4.3) */
+struct allocDescImpUse {
+ __le16 flags;
+ uint8_t impUse[4];
+} __attribute__ ((packed));
+
+#define AD_IU_EXT_ERASED 0x0001
+
+/* Real-Time Files (UDF 2.50 6.11) */
+#define ICBTAG_FILE_TYPE_REALTIME 0xF9U
+
+/* Implementation Use Extended Attribute (UDF 2.50 3.3.4.5) */
+/* FreeEASpace (UDF 2.50 3.3.4.5.1.1) */
+struct freeEaSpace {
+ __le16 headerChecksum;
+ uint8_t freeEASpace[0];
+} __attribute__ ((packed));
+
+/* DVD Copyright Management Information (UDF 2.50 3.3.4.5.1.2) */
+struct DVDCopyrightImpUse {
+ __le16 headerChecksum;
+ uint8_t CGMSInfo;
+ uint8_t dataType;
+ uint8_t protectionSystemInfo[4];
+} __attribute__ ((packed));
+
+/* Application Use Extended Attribute (UDF 2.50 3.3.4.6) */
+/* FreeAppEASpace (UDF 2.50 3.3.4.6.1) */
+struct freeAppEASpace {
+ __le16 headerChecksum;
+ uint8_t freeEASpace[0];
+} __attribute__ ((packed));
+
+/* UDF Defined System Stream (UDF 2.50 3.3.7) */
+#define UDF_ID_UNIQUE_ID "*UDF Unique ID Mapping Data"
+#define UDF_ID_NON_ALLOC "*UDF Non-Allocatable Space"
+#define UDF_ID_POWER_CAL "*UDF Power Cal Table"
+#define UDF_ID_BACKUP "*UDF Backup"
+
+/* Operating System Identifiers (UDF 2.50 6.3) */
+#define UDF_OS_CLASS_UNDEF 0x00U
+#define UDF_OS_CLASS_DOS 0x01U
+#define UDF_OS_CLASS_OS2 0x02U
+#define UDF_OS_CLASS_MAC 0x03U
+#define UDF_OS_CLASS_UNIX 0x04U
+#define UDF_OS_CLASS_WIN9X 0x05U
+#define UDF_OS_CLASS_WINNT 0x06U
+#define UDF_OS_CLASS_OS400 0x07U
+#define UDF_OS_CLASS_BEOS 0x08U
+#define UDF_OS_CLASS_WINCE 0x09U
+
+#define UDF_OS_ID_UNDEF 0x00U
+#define UDF_OS_ID_DOS 0x00U
+#define UDF_OS_ID_OS2 0x00U
+#define UDF_OS_ID_MAC 0x00U
+#define UDF_OS_ID_MAX_OSX 0x01U
+#define UDF_OS_ID_UNIX 0x00U
+#define UDF_OS_ID_AIX 0x01U
+#define UDF_OS_ID_SOLARIS 0x02U
+#define UDF_OS_ID_HPUX 0x03U
+#define UDF_OS_ID_IRIX 0x04U
+#define UDF_OS_ID_LINUX 0x05U
+#define UDF_OS_ID_MKLINUX 0x06U
+#define UDF_OS_ID_FREEBSD 0x07U
+#define UDF_OS_ID_WIN9X 0x00U
+#define UDF_OS_ID_WINNT 0x00U
+#define UDF_OS_ID_OS400 0x00U
+#define UDF_OS_ID_BEOS 0x00U
+#define UDF_OS_ID_WINCE 0x00U
+
+#endif /* _OSTA_UDF_H */
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