udf_167.h

这是一个SIGMA方案的PMP播放器的UCLINUX程序,可播放DVD,VCD,CD MP3...有很好的参考价值.

#if !defined(_LINUX_UDF_167_H)
#define _LINUX_UDF_167_H
/*
 * udf_167.h
 *
 * DESCRIPTION
 *	Definitions from the ECMA 167 standard.
 *	http://www.ecma.ch/
 *
 *	These abbreviations are used to keep the symbols short:
 *		Alloc	Allocation
 *		App	Application
 *		Attr	Attribute
 *		Char	Characters
 *		Desc	Descriptor
 *		Descs	Descriptors
 *		Ext	Extent
 *		Ident	Identifier
 *		Imp	Implementation
 *		Lvl	Level
 *		Max	Maximum
 *		Num	Number
 *		Ptr	Pointer
 *		Seq	Sequence
 *		Std	Standard
 *		Struct	Structure
 *		Vol	Volume
 *	The symbols are otherwise identical to the standard, and the
 *	sections of the standard to refer to are indicated.
 *
 * CONTACTS
 *	E-mail regarding any portion of the Linux UDF file system should be
 *	directed to the development team mailing list (run by majordomo):
 *		[e-mail]
 *
 * COPYRIGHT
 *	This file is distributed under the terms of the GNU General Public
 *	License (GPL). Copies of the GPL can be obtained from:
 *		ftp://prep.ai.mit.edu/pub/gnu/GPL
 *	Each contributing author retains all rights to their own work.
 *
 * HISTORY
 *	July 12, 1997 - Andrew E. Mileski
 *	Adapted from the ECMA-167 standard.
 *
 * 10/2/98 dgb	Adaptation
 * 10/4/98 	Changes by HJA Sandkuyl
 * 10/7/98	Changed FILE_EXISTENCE to FILE_HIDDEN, per UDF 2.0 spec
 * 11/26/98	Modifed some entries for UDF 1.5/2.0
 * 11/26/98 bf  Fixed typos, non-linux types, more structures
 * 12/5/98 dgb  Adjusted structure and content of include files.
 */

#ifdef __KERNEL__
#include <linux/types.h>
#define Uint8	__u8
#define Sint8	__s8
#define Uint16	__u16
#define Sint16	__s16
#define Uint32	__u32
#define Sint32	__s32
#define Uint64	__u64
#define Sint64	__s64
typedef Uint8	dstring;
#else
#define Uint8	unsigned char
#define Sint8	char
#define Uint16	unsigned short
#define Sint16	short
#define Uint32	unsigned int
#define Sint32	int
#define Uint64	unsigned long long
#define Sint64	long long
typedef Uint8	dstring;
#endif

/* make sure all structures are packed! */
#pragma pack(1)

/* CS0 Charspec (ECMA 167 1/7.2.1) */
typedef struct {
	Uint8 charSetType;
	Uint8 charSetInfo[63];
} charspec;

/* Timestamp (ECMA 167 1/7.3) */
typedef struct {
	Uint16 typeAndTimezone;
	Uint16 year;
	Uint8 month;
	Uint8 day;
	Uint8 hour;
	Uint8 minute;
	Uint8 second;
	Uint8 centiseconds;
	Uint8 hundredsOfMicroseconds;
	Uint8 microseconds;
} timestamp;

/* Timestamp types (ECMA 167 1/7.3.1) */
#define TIMESTAMP_TYPE_CUT		0x0000U
#define TIMESTAMP_TYPE_LOCAL		0x0001U
#define TIMESTAMP_TYPE_AGREEMENT	0x0002U

/* Entity Identifier (ECMA 167 1/7.4) */
typedef struct {
	Uint8 flags;
	Uint8 ident[23];
	Uint8 identSuffix[8];
} EntityID;
#define regid EntityID

/* Entity identifier flags (ECMA 167 1/7.4.1) */
#define ENTITYID_FLAGS_DIRTY		0x01U
#define ENTITYID_FLAGS_PROTECTED	0x02U

/* Volume Structure Descriptor (ECMA 167 2/9.1) */
#define STD_ID_LEN	5
struct VolStructDesc {
	Uint8 structType;
	Uint8 stdIdent[STD_ID_LEN];
	Uint8 structVersion;
	Uint8 structData[2041];
};

/* Std structure identifiers (ECMA 167 2/9.1.2) */
#define STD_ID_BEA01	"BEA01"
#define STD_ID_BOOT2	"BOOT2"
#define STD_ID_CD001	"CD001"
#define STD_ID_CDW02	"CDW02"
#define STD_ID_NSR02	"NSR02"
#define STD_ID_NSR03	"NSR03"
#define STD_ID_TEA01	"TEA01"

/* Beginning Extended Area Descriptor (ECMA 167 2/9.2) */
struct BeginningExtendedAreaDesc {
	Uint8 structType;
	Uint8 stdIdent[STD_ID_LEN];
	Uint8 structVersion;
	Uint8 structData[2041];
};

/* Terminating Extended Area Descriptor (ECMA 167 2/9.3) */
struct TerminatingExtendedAreaDesc {
	Uint8 structType;
	Uint8 stdIdent[STD_ID_LEN];
	Uint8 structVersion;
	Uint8 structData[2041];
};

/* Boot Descriptor (ECMA 167 2/9.4) */
struct BootDesc {
	Uint8 structType;
	Uint8 stdIdent[STD_ID_LEN];
	Uint8 structVersion;
	Uint8 reserved1;
	EntityID architectureType;
	EntityID bootIdent;
	Uint32 bootExtLocation;
	Uint32 bootExtLength;
	Uint64 loadAddress;
	Uint64 startAddress;
	timestamp descCreationDateAndTime;
	Uint16 flags;
	Uint8 reserved2[32];
	Uint8 bootUse[1906];
};

/* Boot flags (ECMA 167 2/9.4.12) */
#define BOOT_FLAGS_ERASE	1

/* Extent Descriptor (ECMA 167 3/7.1) */
typedef struct {
	Uint32 extLength;
	Uint32 extLocation;
} extent_ad;

/* Descriptor Tag (ECMA 167 3/7.2) */
typedef struct {
	Uint16 tagIdent;
	Uint16 descVersion;
	Uint8 tagChecksum;
	Uint8 reserved;
	Uint16 tagSerialNum;
	Uint16 descCRC;
	Uint16 descCRCLength;
	Uint32 tagLocation;
} tag;

/* Tag Identifiers (ECMA 167 3/7.2.1) */
#define TID_UNUSED_DESC			0x0000U
#define TID_PRIMARY_VOL_DESC		0x0001U
#define TID_ANCHOR_VOL_DESC_PTR		0x0002U
#define TID_VOL_DESC_PTR		0x0003U
#define TID_IMP_USE_VOL_DESC		0x0004U
#define TID_PARTITION_DESC		0x0005U
#define TID_LOGICAL_VOL_DESC		0x0006U
#define TID_UNALLOC_SPACE_DESC		0x0007U
#define TID_TERMINATING_DESC		0x0008U
#define TID_LOGICAL_VOL_INTEGRITY_DESC	0x0009U

/* Tag Identifiers (ECMA 167 4/7.2.1) */
#define TID_FILE_SET_DESC		0x0100U
#define TID_FILE_IDENT_DESC		0x0101U
#define TID_ALLOC_EXTENT_DESC		0x0102U
#define TID_INDIRECT_ENTRY		0x0103U
#define TID_TERMINAL_ENTRY		0x0104U
#define TID_FILE_ENTRY			0x0105U
#define TID_EXTENDED_ATTRE_HEADER_DESC	0x0106U
#define TID_UNALLOCATED_SPACE_ENTRY	0x0107U
#define TID_SPACE_BITMAP_DESC		0x0108U
#define TID_PARTITION_INTEGRITY_ENTRY	0x0109U
#define TID_EXTENDED_FILE_ENTRY		0x010AU

/* NSR Descriptor (ECMA 167 3/9.1) */
struct NSRDesc {
	Uint8 structType;
	Uint8 stdIdent[STD_ID_LEN];
	Uint8 structVersion;
	Uint8 reserved;
	Uint8 structData[2040];
};
	
/* Primary Volume Descriptor (ECMA 167 3/10.1) */
struct PrimaryVolDesc {
	tag descTag;
	Uint32 volDescSeqNum;
	Uint32 primaryVolDescNum;
	dstring volIdent[32];
	Uint16 volSeqNum;
	Uint16 maxVolSeqNum;
	Uint16 interchangeLvl;
	Uint16 maxInterchangeLvl;
	Uint32 charSetList;
	Uint32 maxCharSetList;
	dstring volSetIdent[128];
	charspec descCharSet;
	charspec explanatoryCharSet;
	extent_ad volAbstract;
	extent_ad volCopyright;
	EntityID appIdent;
	timestamp recordingDateAndTime;
	EntityID impIdent;
	Uint8 impUse[64];
	Uint32 predecessorVolDescSeqLocation;
	Uint16 flags;
	Uint8 reserved[22];
};

/* Primary volume descriptor flags (ECMA 167 3/10.1.21) */
#define VOL_SET_IDENT	1

/* Anchor Volume Descriptor Pointer (ECMA 167 3/10.2) */
struct AnchorVolDescPtr {
	tag descTag;
	extent_ad mainVolDescSeqExt;
	extent_ad reserveVolDescSeqExt;
	Uint8 reserved[480];
};

/* Volume Descriptor Pointer (ECMA 167 3/10.3) */
struct VolDescPtr {
	tag descTag;
	Uint32 volDescSeqNum;
	extent_ad nextVolDescSeqExt;
	Uint8 reserved[484];
};

/* Implementation Use Volume Descriptor (ECMA 167 3/10.4) */
struct ImpUseVolDesc {
	tag descTag;
	Uint32 volDescSeqNum;
	EntityID impIdent;
	Uint8 impUse[460];
};

/* Partition Descriptor (ECMA 167 3/10.5) */
struct PartitionDesc {
	tag descTag;
	Uint32 volDescSeqNum;
	Uint16 partitionFlags;
	Uint16 partitionNumber;
	EntityID partitionContents;
	Uint8 partitionContentsUse[128];
	Uint32 accessType;
	Uint32 partitionStartingLocation;
	Uint32 partitionLength;
	EntityID impIdent;
	Uint8 impUse[128];
	Uint8 reserved[156];
};

/* Partition Flags (ECMA 167 3/10.5.3) */
#define PARTITION_FLAGS_ALLOC	1

/* Partition Contents (ECMA 167 3/10.5.5) */
#define PARTITION_CONTENTS_FDC01	"+FDC01"
#define PARTITION_CONTENTS_CD001	"+CD001"
#define PARTITION_CONTENTS_CDW02	"+CDW02"
#define PARTITION_CONTENTS_NSR02	"+NSR02"
#define PARTITION_CONTENTS_NSR03	"+NSR03"

/* Partition Access Types (ECMA 167 3/10.5.7) */
#define PARTITION_ACCESS_NONE	0
#define PARTITION_ACCESS_R	1
#define PARTITION_ACCESS_WO	2
#define PARTITION_ACCESS_RW	3
#define PARTITION_ACCESS_OW	4

/* Logical Volume Descriptor (ECMA 167 3/10.6) */
struct LogicalVolDesc {
	tag descTag;
	Uint32 volDescSeqNum;
	charspec descCharSet;
	dstring logicalVolIdent[128];
	Uint32 logicalBlockSize;
	EntityID domainIdent;
	Uint8 logicalVolContentsUse[16]; /* used to find fileset */
	Uint32 mapTableLength;
	Uint32 numPartitionMaps;
	EntityID impIdent;
	Uint8 impUse[128];
	extent_ad integritySeqExt;
	Uint8 partitionMaps[0];
};

/* Generic Partition Map (ECMA 167 3/10.7.1) */
struct GenericPartitionMap {
	Uint8 partitionMapType;
	Uint8 partitionMapLength;
	Uint8 partitionMapping[0];
};

/* Partition Map Type (ECMA 167 3/10.7.1.1) */
#define PARTITION_MAP_TYPE_NONE		0
#define PARTITION_MAP_TYPE_1		1
#define PARTITION_MAP_TYPE_2		2

/* Type 1 Partition Map (ECMA 167 3/10.7.2) */
struct GenericPartitionMap1 {
	Uint8 partitionMapType;
	Uint8 partitionMapLength;
	Uint16 volSeqNum;
	Uint16 partitionNum;
};

/* Type 2 Partition Map (ECMA 167 3/10.7.3) */
struct GenericPartitionMap2 {
	Uint8 partitionMapType; /* 2 */
	Uint8 partitionMapLength; 
	Uint8 partitionIdent[62];
};

/* Unallocated Space Descriptor (ECMA 167 3/10.8) */
struct UnallocatedSpaceDesc {
	tag descTag;
	Uint32 volDescSeqNum;
	Uint32 numAllocDescs;
	extent_ad allocDescs[0];
};

/* Terminating Descriptor (ECMA 3/10.9) */
struct TerminatingDesc {
	tag descTag;
	Uint8 reserved[496];
};

struct GenericDesc
{
        tag descTag;
        Uint32 volDescSeqNum;
};

/* Logical Volume Integrity Descriptor (ECMA 167 3/10.10) */
struct LogicalVolIntegrityDesc {
	tag descTag;
	timestamp recordingDateAndTime;
	Uint32 integrityType;
	extent_ad nextIntegrityExt;
	Uint8 logicalVolContentsUse[32];
	Uint32 numOfPartitions;
	Uint32 lengthOfImpUse;
	Uint32 freeSpaceTable[0];
	Uint32 sizeTable[0];
	Uint8 impUse[0];
};

/* Integrity Types (ECMA 167 3/10.10.3) */
#define INTEGRITY_TYPE_OPEN	0
#define INTEGRITY_TYPE_CLOSE	1

/* Recorded Address (ECMA 167 4/7.1) */
typedef struct {
	Uint32 logicalBlockNum;