fs/udf/ecma_167.h

Source file repositories/reference/linux-study-clean/fs/udf/ecma_167.h

File Facts

System: Linux kernel
Corpus path: fs/udf/ecma_167.h
Extension: .h
Size: 22271 bytes
Lines: 817
Domain: Core OS
Bucket: VFS And Filesystem Core
Inferred role: Core OS: implementation source
Status: source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.
Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.

Dependency Surface

linux/types.h

Detected Declarations

struct charspec
struct timestamp
struct regid
struct volStructDesc
struct beginningExtendedAreaDesc
struct terminatingExtendedAreaDesc
struct bootDesc
struct extent_ad
struct kernel_extent_ad
struct tag
struct NSRDesc
struct genericDesc
struct primaryVolDesc
struct anchorVolDescPtr
struct volDescPtr
struct impUseVolDesc
struct partitionDesc
struct logicalVolDesc
struct genericPartitionMap
struct genericPartitionMap1
struct genericPartitionMap2
struct unallocSpaceDesc
struct terminatingDesc
struct logicalVolIntegrityDesc
struct lb_addr
struct kernel_lb_addr
struct short_ad
struct long_ad
struct kernel_long_ad
struct ext_ad
struct kernel_ext_ad
struct fileSetDesc
struct partitionHeaderDesc
struct fileIdentDesc
struct allocExtDesc
struct icbtag
struct indirectEntry
struct terminalEntry
struct fileEntry
struct extendedAttrHeaderDesc
struct genericFormat
struct charSetInfo
struct altPerms
struct fileTimesExtAttr
struct infoTimesExtAttr
struct deviceSpec
struct impUseExtAttr
struct appUseExtAttr

Annotated Snippet

struct charspec {
	uint8_t		charSetType;
	uint8_t		charSetInfo[63];
} __packed;

/* Character Set Type (ECMA 167r3 1/7.2.1.1) */
#define CHARSPEC_TYPE_CS0		0x00	/* (1/7.2.2) */
#define CHARSPEC_TYPE_CS1		0x01	/* (1/7.2.3) */
#define CHARSPEC_TYPE_CS2		0x02	/* (1/7.2.4) */
#define CHARSPEC_TYPE_CS3		0x03	/* (1/7.2.5) */
#define CHARSPEC_TYPE_CS4		0x04	/* (1/7.2.6) */
#define CHARSPEC_TYPE_CS5		0x05	/* (1/7.2.7) */
#define CHARSPEC_TYPE_CS6		0x06	/* (1/7.2.8) */
#define CHARSPEC_TYPE_CS7		0x07	/* (1/7.2.9) */
#define CHARSPEC_TYPE_CS8		0x08	/* (1/7.2.10) */

/* Fixed-length character fields - d-string (EMCA 167r3 1/7.2.12) */
typedef uint8_t		dstring;

/* Timestamp (ECMA 167r3 1/7.3) */
struct timestamp {
	__le16		typeAndTimezone;
	__le16		year;
	uint8_t		month;
	uint8_t		day;
	uint8_t		hour;
	uint8_t		minute;
	uint8_t		second;
	uint8_t		centiseconds;
	uint8_t		hundredsOfMicroseconds;
	uint8_t		microseconds;
} __packed;

/* Type and Time Zone (ECMA 167r3 1/7.3.1) */
#define TIMESTAMP_TYPE_MASK		0xF000
#define TIMESTAMP_TYPE_CUT		0x0000
#define TIMESTAMP_TYPE_LOCAL		0x1000
#define TIMESTAMP_TYPE_AGREEMENT	0x2000
#define TIMESTAMP_TIMEZONE_MASK		0x0FFF

/* Entity identifier (ECMA 167r3 1/7.4) */
struct regid {
	uint8_t		flags;
	uint8_t		ident[23];
	uint8_t		identSuffix[8];
} __packed;

/* Flags (ECMA 167r3 1/7.4.1) */
#define ENTITYID_FLAGS_DIRTY		0x01
#define ENTITYID_FLAGS_PROTECTED	0x02

/* Volume Structure Descriptor (ECMA 167r3 2/9.1) */
#define VSD_STD_ID_LEN			5
struct volStructDesc {
	uint8_t		structType;
	uint8_t		stdIdent[VSD_STD_ID_LEN];
	uint8_t		structVersion;
	uint8_t		structData[2041];
} __packed;

/* Standard Identifier (EMCA 167r2 2/9.1.2) */
#define VSD_STD_ID_NSR02		"NSR02"	/* (3/9.1) */

/* Standard Identifier (ECMA 167r3 2/9.1.2) */
#define VSD_STD_ID_BEA01		"BEA01"	/* (2/9.2) */
#define VSD_STD_ID_BOOT2		"BOOT2"	/* (2/9.4) */
#define VSD_STD_ID_CD001		"CD001"	/* (ECMA-119) */
#define VSD_STD_ID_CDW02		"CDW02"	/* (ECMA-168) */
#define VSD_STD_ID_NSR03		"NSR03"	/* (3/9.1) */
#define VSD_STD_ID_TEA01		"TEA01"	/* (2/9.3) */

/* Beginning Extended Area Descriptor (ECMA 167r3 2/9.2) */
struct beginningExtendedAreaDesc {
	uint8_t		structType;
	uint8_t		stdIdent[VSD_STD_ID_LEN];
	uint8_t		structVersion;
	uint8_t		structData[2041];
} __packed;

/* Terminating Extended Area Descriptor (ECMA 167r3 2/9.3) */
struct terminatingExtendedAreaDesc {
	uint8_t		structType;
	uint8_t		stdIdent[VSD_STD_ID_LEN];
	uint8_t		structVersion;
	uint8_t		structData[2041];
} __packed;

/* Boot Descriptor (ECMA 167r3 2/9.4) */
struct bootDesc {
	uint8_t			structType;

Annotation

Immediate include surface: `linux/types.h`.
Detected declarations: `struct charspec`, `struct timestamp`, `struct regid`, `struct volStructDesc`, `struct beginningExtendedAreaDesc`, `struct terminatingExtendedAreaDesc`, `struct bootDesc`, `struct extent_ad`, `struct kernel_extent_ad`, `struct tag`.
Atlas domain: Core OS / VFS And Filesystem Core.
Implementation status: source implementation candidate.

Implementation Notes

This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.