ecma_167.h

linux 内核源代码

typedef struct {
	uint32_t	extLength;
	uint32_t	recordedLength;
	uint32_t	informationLength;
	kernel_lb_addr	extLocation;
} kernel_ext_ad;

/* Descriptor Tag (ECMA 167r3 4/7.2 - See 3/7.2) */

/* Tag Identifier (ECMA 167r3 4/7.2.1) */
#define TAG_IDENT_FSD			0x0100
#define TAG_IDENT_FID			0x0101
#define TAG_IDENT_AED			0x0102
#define TAG_IDENT_IE			0x0103
#define TAG_IDENT_TE			0x0104
#define TAG_IDENT_FE			0x0105
#define TAG_IDENT_EAHD			0x0106
#define TAG_IDENT_USE			0x0107
#define TAG_IDENT_SBD			0x0108
#define TAG_IDENT_PIE			0x0109
#define TAG_IDENT_EFE			0x010A

/* File Set Descriptor (ECMA 167r3 4/14.1) */
struct fileSetDesc {
	tag		descTag;
	timestamp	recordingDateAndTime;
	__le16		interchangeLvl;
	__le16		maxInterchangeLvl;
	__le32		charSetList;
	__le32		maxCharSetList;
	__le32		fileSetNum;
	__le32		fileSetDescNum;
	charspec	logicalVolIdentCharSet;
	dstring		logicalVolIdent[128];
	charspec	fileSetCharSet;
	dstring		fileSetIdent[32];
	dstring		copyrightFileIdent[32];
	dstring		abstractFileIdent[32];
	long_ad		rootDirectoryICB;
	regid		domainIdent;
	long_ad		nextExt;
	long_ad		streamDirectoryICB;
	uint8_t		reserved[32];
} __attribute__ ((packed));

/* Partition Header Descriptor (ECMA 167r3 4/14.3) */
struct partitionHeaderDesc {
	short_ad	unallocSpaceTable;
	short_ad	unallocSpaceBitmap;
	short_ad	partitionIntegrityTable;
	short_ad	freedSpaceTable;
	short_ad	freedSpaceBitmap;
	uint8_t		reserved[88];
} __attribute__ ((packed));

/* File Identifier Descriptor (ECMA 167r3 4/14.4) */
struct fileIdentDesc {
	tag		descTag;
	__le16		fileVersionNum;
	uint8_t		fileCharacteristics;
	uint8_t		lengthFileIdent;
	long_ad		icb;
	__le16		lengthOfImpUse;
	uint8_t		impUse[0];
	uint8_t		fileIdent[0];
	uint8_t		padding[0];
} __attribute__ ((packed));

/* File Characteristics (ECMA 167r3 4/14.4.3) */
#define FID_FILE_CHAR_HIDDEN		0x01
#define FID_FILE_CHAR_DIRECTORY		0x02
#define FID_FILE_CHAR_DELETED		0x04
#define FID_FILE_CHAR_PARENT		0x08
#define FID_FILE_CHAR_METADATA		0x10

/* Allocation Ext Descriptor (ECMA 167r3 4/14.5) */
struct allocExtDesc {
	tag		descTag;
	__le32		previousAllocExtLocation;
	__le32		lengthAllocDescs;
} __attribute__ ((packed));

/* ICB Tag (ECMA 167r3 4/14.6) */
typedef struct {
	__le32		priorRecordedNumDirectEntries;
	__le16		strategyType;
	__le16		strategyParameter;
	__le16		numEntries;
	uint8_t		reserved;
	uint8_t		fileType;
	lb_addr		parentICBLocation;
	__le16		flags;
} __attribute__ ((packed)) icbtag;

/* Strategy Type (ECMA 167r3 4/14.6.2) */
#define ICBTAG_STRATEGY_TYPE_UNDEF	0x0000
#define ICBTAG_STRATEGY_TYPE_1		0x0001
#define ICBTAG_STRATEGY_TYPE_2		0x0002
#define ICBTAG_STRATEGY_TYPE_3		0x0003
#define ICBTAG_STRATEGY_TYPE_4		0x0004

/* File Type (ECMA 167r3 4/14.6.6) */
#define ICBTAG_FILE_TYPE_UNDEF		0x00
#define ICBTAG_FILE_TYPE_USE		0x01
#define ICBTAG_FILE_TYPE_PIE		0x02
#define ICBTAG_FILE_TYPE_IE		0x03
#define ICBTAG_FILE_TYPE_DIRECTORY	0x04
#define ICBTAG_FILE_TYPE_REGULAR	0x05
#define ICBTAG_FILE_TYPE_BLOCK		0x06
#define ICBTAG_FILE_TYPE_CHAR		0x07
#define ICBTAG_FILE_TYPE_EA		0x08
#define ICBTAG_FILE_TYPE_FIFO		0x09
#define ICBTAG_FILE_TYPE_SOCKET		0x0A
#define ICBTAG_FILE_TYPE_TE		0x0B
#define ICBTAG_FILE_TYPE_SYMLINK	0x0C
#define ICBTAG_FILE_TYPE_STREAMDIR	0x0D

/* Flags (ECMA 167r3 4/14.6.8) */
#define ICBTAG_FLAG_AD_MASK		0x0007
#define ICBTAG_FLAG_AD_SHORT		0x0000
#define ICBTAG_FLAG_AD_LONG		0x0001
#define ICBTAG_FLAG_AD_EXTENDED		0x0002
#define ICBTAG_FLAG_AD_IN_ICB		0x0003
#define ICBTAG_FLAG_SORTED		0x0008
#define ICBTAG_FLAG_NONRELOCATABLE	0x0010
#define ICBTAG_FLAG_ARCHIVE		0x0020
#define ICBTAG_FLAG_SETUID		0x0040
#define ICBTAG_FLAG_SETGID		0x0080
#define ICBTAG_FLAG_STICKY		0x0100
#define ICBTAG_FLAG_CONTIGUOUS		0x0200
#define ICBTAG_FLAG_SYSTEM		0x0400
#define ICBTAG_FLAG_TRANSFORMED		0x0800
#define ICBTAG_FLAG_MULTIVERSIONS	0x1000
#define ICBTAG_FLAG_STREAM		0x2000

/* Indirect Entry (ECMA 167r3 4/14.7) */
struct indirectEntry {
	tag		descTag;
	icbtag		icbTag;
	long_ad		indirectICB;
} __attribute__ ((packed));

/* Terminal Entry (ECMA 167r3 4/14.8) */
struct terminalEntry {
	tag		descTag;
	icbtag		icbTag;
} __attribute__ ((packed));

/* File Entry (ECMA 167r3 4/14.9) */
struct fileEntry {
	tag		descTag;
	icbtag		icbTag;
	__le32		uid;
	__le32		gid;
	__le32		permissions;
	__le16		fileLinkCount;
	uint8_t		recordFormat;
	uint8_t		recordDisplayAttr;
	__le32		recordLength;
	__le64		informationLength;
	__le64		logicalBlocksRecorded;
	timestamp	accessTime;
	timestamp	modificationTime;
	timestamp	attrTime;
	__le32		checkpoint;
	long_ad		extendedAttrICB;
	regid		impIdent;
	__le64		uniqueID;
	__le32		lengthExtendedAttr;
	__le32		lengthAllocDescs;
	uint8_t		extendedAttr[0];
	uint8_t		allocDescs[0];
} __attribute__ ((packed));

/* Permissions (ECMA 167r3 4/14.9.5) */
#define FE_PERM_O_EXEC			0x00000001U
#define FE_PERM_O_WRITE			0x00000002U
#define FE_PERM_O_READ			0x00000004U
#define FE_PERM_O_CHATTR		0x00000008U
#define FE_PERM_O_DELETE		0x00000010U
#define FE_PERM_G_EXEC			0x00000020U
#define FE_PERM_G_WRITE			0x00000040U
#define FE_PERM_G_READ			0x00000080U
#define FE_PERM_G_CHATTR		0x00000100U
#define FE_PERM_G_DELETE		0x00000200U
#define FE_PERM_U_EXEC			0x00000400U
#define FE_PERM_U_WRITE			0x00000800U
#define FE_PERM_U_READ			0x00001000U
#define FE_PERM_U_CHATTR		0x00002000U
#define FE_PERM_U_DELETE		0x00004000U

/* Record Format (ECMA 167r3 4/14.9.7) */
#define FE_RECORD_FMT_UNDEF		0x00
#define FE_RECORD_FMT_FIXED_PAD		0x01
#define FE_RECORD_FMT_FIXED		0x02
#define FE_RECORD_FMT_VARIABLE8		0x03
#define FE_RECORD_FMT_VARIABLE16	0x04
#define FE_RECORD_FMT_VARIABLE16_MSB	0x05
#define FE_RECORD_FMT_VARIABLE32	0x06
#define FE_RECORD_FMT_PRINT		0x07
#define FE_RECORD_FMT_LF		0x08
#define FE_RECORD_FMT_CR		0x09
#define FE_RECORD_FMT_CRLF		0x0A
#define FE_RECORD_FMT_LFCR		0x0B

/* Record Display Attributes (ECMA 167r3 4/14.9.8) */
#define FE_RECORD_DISPLAY_ATTR_UNDEF	0x00
#define FE_RECORD_DISPLAY_ATTR_1	0x01
#define FE_RECORD_DISPLAY_ATTR_2	0x02
#define FE_RECORD_DISPLAY_ATTR_3	0x03

/* Extended Attribute Header Descriptor (ECMA 167r3 4/14.10.1) */
struct extendedAttrHeaderDesc {
	tag		descTag;
	__le32		impAttrLocation;
	__le32		appAttrLocation;
} __attribute__ ((packed));

/* Generic Format (ECMA 167r3 4/14.10.2) */
struct genericFormat {
	__le32		attrType;
	uint8_t		attrSubtype;
	uint8_t		reserved[3];
	__le32		attrLength;
	uint8_t		attrData[0];
} __attribute__ ((packed));

/* Character Set Information (ECMA 167r3 4/14.10.3) */
struct charSetInfo {
	__le32		attrType;
	uint8_t		attrSubtype;
	uint8_t		reserved[3];
	__le32		attrLength;
	__le32		escapeSeqLength;
	uint8_t		charSetType;
	uint8_t		escapeSeq[0];
} __attribute__ ((packed));

/* Alternate Permissions (ECMA 167r3 4/14.10.4) */
struct altPerms {
	__le32		attrType;
	uint8_t		attrSubtype;
	uint8_t		reserved[3];
	__le32		attrLength;
	__le16		ownerIdent;
	__le16		groupIdent;
	__le16		permission;
} __attribute__ ((packed));

/* File Times Extended Attribute (ECMA 167r3 4/14.10.5) */
struct fileTimesExtAttr {
	__le32		attrType;
	uint8_t		attrSubtype;
	uint8_t		reserved[3];
	__le32		attrLength;
	__le32		dataLength;
	__le32		fileTimeExistence;
	uint8_t		fileTimes;
} __attribute__ ((packed));

/* FileTimeExistence (ECMA 167r3 4/14.10.5.6) */
#define FTE_CREATION			0x00000001
#define FTE_DELETION			0x00000004
#define FTE_EFFECTIVE			0x00000008
#define FTE_BACKUP			0x00000002

/* Information Times Extended Attribute (ECMA 167r3 4/14.10.6) */
struct infoTimesExtAttr {
	__le32		attrType;
	uint8_t		attrSubtype;
	uint8_t		reserved[3];
	__le32		attrLength;
	__le32		dataLength;
	__le32		infoTimeExistence;
	uint8_t		infoTimes[0];
} __attribute__ ((packed));

/* Device Specification (ECMA 167r3 4/14.10.7) */
struct deviceSpec {
	__le32		attrType;
	uint8_t		attrSubtype;
	uint8_t		reserved[3];
	__le32		attrLength;
	__le32		impUseLength;
	__le32		majorDeviceIdent;
	__le32		minorDeviceIdent;
	uint8_t		impUse[0];
} __attribute__ ((packed));

/* Implementation Use Extended Attr (ECMA 167r3 4/14.10.8) */
struct impUseExtAttr {
	__le32		attrType;
	uint8_t		attrSubtype;
	uint8_t		reserved[3];
	__le32		attrLength;
	__le32		impUseLength;
	regid		impIdent;
	uint8_t		impUse[0];
} __attribute__ ((packed));

/* Application Use Extended Attribute (ECMA 167r3 4/14.10.9) */
struct appUseExtAttr {
	__le32		attrType;
	uint8_t		attrSubtype;
	uint8_t		reserved[3];
	__le32		attrLength;
	__le32		appUseLength;
	regid		appIdent;
	uint8_t		appUse[0];
} __attribute__ ((packed));

#define EXTATTR_CHAR_SET		1
#define EXTATTR_ALT_PERMS		3
#define EXTATTR_FILE_TIMES		5
#define EXTATTR_INFO_TIMES		6
#define EXTATTR_DEV_SPEC		12
#define EXTATTR_IMP_USE			2048
#define EXTATTR_APP_USE			65536

/* Unallocated Space Entry (ECMA 167r3 4/14.11) */
struct unallocSpaceEntry {
	tag		descTag;
	icbtag		icbTag;
	__le32		lengthAllocDescs;
	uint8_t		allocDescs[0];
} __attribute__ ((packed));

/* Space Bitmap Descriptor (ECMA 167r3 4/14.12) */
struct spaceBitmapDesc {
	tag		descTag;
	__le32		numOfBits;
	__le32		numOfBytes;
	uint8_t		bitmap[0];
} __attribute__ ((packed));

/* Partition Integrity Entry (ECMA 167r3 4/14.13) */
struct partitionIntegrityEntry {
	tag		descTag;
	icbtag		icbTag;
	timestamp	recordingDateAndTime;
	uint8_t		integrityType;
	uint8_t		reserved[175];
	regid		impIdent;
	uint8_t		impUse[256];
} __attribute__ ((packed));

/* Short Allocation Descriptor (ECMA 167r3 4/14.14.1) */

/* Extent Length (ECMA 167r3 4/14.14.1.1) */
#define EXT_RECORDED_ALLOCATED		0x00000000
#define EXT_NOT_RECORDED_ALLOCATED	0x40000000
#define EXT_NOT_RECORDED_NOT_ALLOCATED	0x80000000
#define EXT_NEXT_EXTENT_ALLOCDECS	0xC0000000

/* Long Allocation Descriptor (ECMA 167r3 4/14.14.2) */

/* Extended Allocation Descriptor (ECMA 167r3 4/14.14.3) */

/* Logical Volume Header Descriptor (ECMA 167r3 4/14.15) */
struct logicalVolHeaderDesc {
	__le64		uniqueID;
	uint8_t		reserved[24];
} __attribute__ ((packed));

/* Path Component (ECMA 167r3 4/14.16.1) */
struct pathComponent {
	uint8_t		componentType;
	uint8_t		lengthComponentIdent;
	__le16		componentFileVersionNum;
	dstring		componentIdent[0];
} __attribute__ ((packed));

/* File Entry (ECMA 167r3 4/14.17) */
struct extendedFileEntry {
	tag		descTag;
	icbtag		icbTag;
	__le32		uid;
	__le32		gid;
	__le32		permissions;
	__le16		fileLinkCount;
	uint8_t		recordFormat;
	uint8_t		recordDisplayAttr;
	__le32		recordLength;
	__le64		informationLength;
	__le64		objectSize;
	__le64		logicalBlocksRecorded;
	timestamp	accessTime;
	timestamp	modificationTime;
	timestamp	createTime;
	timestamp	attrTime;
	__le32		checkpoint;
	__le32		reserved;
	long_ad		extendedAttrICB;
	long_ad		streamDirectoryICB;
	regid		impIdent;
	__le64		uniqueID;
	__le32		lengthExtendedAttr;
	__le32		lengthAllocDescs;
	uint8_t		extendedAttr[0];
	uint8_t		allocDescs[0];
} __attribute__ ((packed));

#endif /* _ECMA_167_H */