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sys/fs/udf2/ecma167-udf.h
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/* $NetBSD: ecma167-udf.h,v 1.14 2011/07/07 17:45:38 reinoud Exp $ */ | |||||
/*- | |||||
* Copyright (c) 2003, 2004, 2005, 2006, 2008, 2009 | |||||
* Reinoud Zandijk * <reinoud@NetBSD.org> | |||||
* Copyright (c) 2001, 2002 Scott Long <scottl@freebsd.org> | |||||
* 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. | |||||
* 2. Redistributions in binary form must reproduce the above copyright | |||||
* notice, this list of conditions and the following disclaimer in the | |||||
* documentation and/or other materials provided with the distribution. | |||||
* | |||||
* 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. | |||||
* | |||||
* | |||||
* Extended and adapted for UDFv2.50+ bij Reinoud Zandijk based on the | |||||
* original by Scott Long. | |||||
* | |||||
* 20030508 Made some small typo and explanatory comments | |||||
* 20030510 Added UDF 2.01 structures | |||||
* 20030519 Added/correct comments on multi-partitioned logical volume space | |||||
* 20050616 Added pseudo overwrite | |||||
* 20050624 Added the missing extended attribute types and `magic values'. | |||||
* 20051106 Reworked some implementation use parts | |||||
* | |||||
*/ | |||||
#ifndef _FS_UDF_ECMA167_UDF_H_ | |||||
#define _FS_UDF_ECMA167_UDF_H_ | |||||
/* | |||||
* in case of an older gcc versions, define the __packed as explicit | |||||
* attribute | |||||
*/ | |||||
/* | |||||
* You may specify the `aligned' and `transparent_union' attributes either in | |||||
* a `typedef' declaration or just past the closing curly brace of a complete | |||||
* enum, struct or union type _definition_ and the `packed' attribute only | |||||
* past the closing brace of a definition. You may also specify attributes | |||||
* between the enum, struct or union tag and the name of the type rather than | |||||
* after the closing brace. | |||||
*/ | |||||
#ifndef __packed | |||||
#define __packed __attribute__((packed)) | |||||
#endif | |||||
/* ecma167-udf.h */ | |||||
/* Volume recognition sequence ECMA 167 rev. 3 16.1 */ | |||||
struct vrs_desc { | |||||
uint8_t struct_type; | |||||
uint8_t identifier[5]; | |||||
uint8_t version; | |||||
uint8_t data[2041]; | |||||
} __packed; | |||||
#define VRS_NSR02 "NSR02" | |||||
#define VRS_NSR03 "NSR03" | |||||
#define VRS_BEA01 "BEA01" | |||||
#define VRS_TEA01 "TEA01" | |||||
#define VRS_CD001 "CD001" | |||||
#define VRS_CDW02 "CDW02" | |||||
/* Structure/definitions/constants a la ECMA 167 rev. 3 */ | |||||
#define MAX_TAGID_VOLUMES 9 | |||||
/* Tag identifiers */ | |||||
enum { | |||||
TAGID_SPARING_TABLE = 0, | |||||
TAGID_PRI_VOL = 1, | |||||
TAGID_ANCHOR = 2, | |||||
TAGID_VOL = 3, | |||||
TAGID_IMP_VOL = 4, | |||||
TAGID_PARTITION = 5, | |||||
TAGID_LOGVOL = 6, | |||||
TAGID_UNALLOC_SPACE = 7, | |||||
TAGID_TERM = 8, | |||||
TAGID_LOGVOL_INTEGRITY= 9, | |||||
TAGID_FSD = 256, | |||||
TAGID_FID = 257, | |||||
TAGID_ALLOCEXTENT = 258, | |||||
TAGID_INDIRECTENTRY = 259, | |||||
TAGID_ICB_TERM = 260, | |||||
TAGID_FENTRY = 261, | |||||
TAGID_EXTATTR_HDR = 262, | |||||
TAGID_UNALL_SP_ENTRY = 263, | |||||
TAGID_SPACE_BITMAP = 264, | |||||
TAGID_PART_INTEGRITY = 265, | |||||
TAGID_EXTFENTRY = 266, | |||||
TAGID_MAX = 266 | |||||
}; | |||||
enum { | |||||
UDF_DOMAIN_FLAG_HARD_WRITE_PROTECT = 1, | |||||
UDF_DOMAIN_FLAG_SOFT_WRITE_PROTECT = 2 | |||||
}; | |||||
enum { | |||||
UDF_ACCESSTYPE_NOT_SPECIFIED = 0, /* unknown */ | |||||
UDF_ACCESSTYPE_PSEUDO_OVERWITE = 0, /* pseudo overwritable, e.g. BD-R's LOW */ | |||||
UDF_ACCESSTYPE_READ_ONLY = 1, /* really only readable */ | |||||
UDF_ACCESSTYPE_WRITE_ONCE = 2, /* write once and you're done */ | |||||
UDF_ACCESSTYPE_REWRITEABLE = 3, /* may need extra work to rewrite */ | |||||
UDF_ACCESSTYPE_OVERWRITABLE = 4 /* no limits on rewriting; e.g. harddisc*/ | |||||
}; | |||||
/* Descriptor tag [3/7.2] */ | |||||
struct desc_tag { | |||||
uint16_t id; | |||||
uint16_t descriptor_ver; | |||||
uint8_t cksum; | |||||
uint8_t reserved; | |||||
uint16_t serial_num; | |||||
uint16_t desc_crc; | |||||
uint16_t desc_crc_len; | |||||
uint32_t tag_loc; | |||||
} __packed; | |||||
#define UDF_DESC_TAG_LENGTH 16 | |||||
/* Recorded Address [4/7.1] */ | |||||
struct lb_addr { /* within partition space */ | |||||
uint32_t lb_num; | |||||
uint16_t part_num; | |||||
} __packed; | |||||
/* Extent Descriptor [3/7.1] */ | |||||
struct extent_ad { | |||||
uint32_t len; | |||||
uint32_t loc; | |||||
} __packed; | |||||
/* Short Allocation Descriptor [4/14.14.1] */ | |||||
struct short_ad { | |||||
uint32_t len; | |||||
uint32_t lb_num; | |||||
} __packed; | |||||
/* Long Allocation Descriptor [4/14.14.2] */ | |||||
struct UDF_ADImp_use { | |||||
uint16_t flags; | |||||
uint32_t unique_id; | |||||
} __packed; | |||||
#define UDF_ADIMP_FLAGS_EXTENT_ERASED 1 | |||||
struct long_ad { | |||||
uint32_t len; | |||||
struct lb_addr loc; /* within a logical volume mapped partition space !! */ | |||||
union { | |||||
uint8_t bytes[6]; | |||||
struct UDF_ADImp_use im_used; | |||||
} impl; | |||||
} __packed; | |||||
#define longad_uniqueid impl.im_used.unique_id | |||||
/* Extended Allocation Descriptor [4/14.14.3] ; identifies an extent of allocation descriptors ; also in UDF ? */ | |||||
struct ext_ad { | |||||
uint32_t ex_len; | |||||
uint32_t rec_len; | |||||
uint32_t inf_len; | |||||
struct lb_addr ex_loc; | |||||
uint8_t reserved[2]; | |||||
} __packed; | |||||
/* ICB : Information Control Block; positioning */ | |||||
union icb { | |||||
struct short_ad s_ad; | |||||
struct long_ad l_ad; | |||||
struct ext_ad e_ad; | |||||
}; | |||||
/* short/long/ext extent have flags encoded in length */ | |||||
#define UDF_EXT_ALLOCATED (0<<30) | |||||
#define UDF_EXT_FREED (1<<30) | |||||
#define UDF_EXT_ALLOCATED_BUT_NOT_USED (1<<30) | |||||
#define UDF_EXT_FREE (2<<30) | |||||
#define UDF_EXT_REDIRECT (3<<30) | |||||
#define UDF_EXT_FLAGS(len) ((len) & (3<<30)) | |||||
#define UDF_EXT_LEN(len) ((len) & ((1<<30)-1)) | |||||
#define UDF_EXT_MAXLEN ((1<<30)-1) | |||||
/* Character set spec [1/7.2.1] */ | |||||
struct charspec { | |||||
uint8_t type; | |||||
uint8_t inf[63]; | |||||
} __packed; | |||||
struct pathcomp { | |||||
uint8_t type; | |||||
uint8_t l_ci; | |||||
uint16_t comp_filever; | |||||
uint8_t ident[256]; | |||||
} __packed; | |||||
#define UDF_PATH_COMP_SIZE 4 | |||||
#define UDF_PATH_COMP_RESERVED 0 | |||||
#define UDF_PATH_COMP_ROOT 1 | |||||
#define UDF_PATH_COMP_MOUNTROOT 2 | |||||
#define UDF_PATH_COMP_PARENTDIR 3 | |||||
#define UDF_PATH_COMP_CURDIR 4 | |||||
#define UDF_PATH_COMP_NAME 5 | |||||
/* Timestamp [1/7.3] */ | |||||
struct timestamp { | |||||
uint16_t type_tz; | |||||
uint16_t year; | |||||
uint8_t month; | |||||
uint8_t day; | |||||
uint8_t hour; | |||||
uint8_t minute; | |||||
uint8_t second; | |||||
uint8_t centisec; | |||||
uint8_t hund_usec; | |||||
uint8_t usec; | |||||
} __packed; | |||||
#define UDF_TIMESTAMP_SIZE 12 | |||||
/* Entity Identifier [1/7.4] */ | |||||
#define UDF_REGID_ID_SIZE 23 | |||||
struct regid { | |||||
uint8_t flags; | |||||
uint8_t id[UDF_REGID_ID_SIZE]; | |||||
uint8_t id_suffix[8]; | |||||
} __packed; | |||||
/* ICB Tag [4/14.6] */ | |||||
struct icb_tag { | |||||
uint32_t prev_num_dirs; | |||||
uint16_t strat_type; | |||||
uint8_t strat_param[2]; | |||||
uint16_t max_num_entries; | |||||
uint8_t reserved; | |||||
uint8_t file_type; | |||||
struct lb_addr parent_icb; | |||||
uint16_t flags; | |||||
} __packed; | |||||
#define UDF_ICB_TAG_FLAGS_ALLOC_MASK 0x03 | |||||
#define UDF_ICB_SHORT_ALLOC 0x00 | |||||
#define UDF_ICB_LONG_ALLOC 0x01 | |||||
#define UDF_ICB_EXT_ALLOC 0x02 | |||||
#define UDF_ICB_INTERN_ALLOC 0x03 | |||||
#define UDF_ICB_TAG_FLAGS_DIRORDERED (1<< 3) | |||||
#define UDF_ICB_TAG_FLAGS_NONRELOC (1<< 4) | |||||
#define UDF_ICB_TAG_FLAGS_CONTIGUES (1<< 9) | |||||
#define UDF_ICB_TAG_FLAGS_MULTIPLEVERS (1<<12) | |||||
#define UDF_ICB_TAG_FLAGS_SETUID (1<< 6) | |||||
#define UDF_ICB_TAG_FLAGS_SETGID (1<< 7) | |||||
#define UDF_ICB_TAG_FLAGS_STICKY (1<< 8) | |||||
#define UDF_ICB_FILETYPE_UNKNOWN 0 | |||||
#define UDF_ICB_FILETYPE_UNALLOCSPACE 1 | |||||
#define UDF_ICB_FILETYPE_PARTINTEGRITY 2 | |||||
#define UDF_ICB_FILETYPE_INDIRECTENTRY 3 | |||||
#define UDF_ICB_FILETYPE_DIRECTORY 4 | |||||
#define UDF_ICB_FILETYPE_RANDOMACCESS 5 | |||||
#define UDF_ICB_FILETYPE_BLOCKDEVICE 6 | |||||
#define UDF_ICB_FILETYPE_CHARDEVICE 7 | |||||
#define UDF_ICB_FILETYPE_EXTATTRREC 8 | |||||
#define UDF_ICB_FILETYPE_FIFO 9 | |||||
#define UDF_ICB_FILETYPE_SOCKET 10 | |||||
#define UDF_ICB_FILETYPE_TERM 11 | |||||
#define UDF_ICB_FILETYPE_SYMLINK 12 | |||||
#define UDF_ICB_FILETYPE_STREAMDIR 13 | |||||
#define UDF_ICB_FILETYPE_VAT 248 | |||||
#define UDF_ICB_FILETYPE_REALTIME 249 | |||||
#define UDF_ICB_FILETYPE_META_MAIN 250 | |||||
#define UDF_ICB_FILETYPE_META_MIRROR 251 | |||||
#define UDF_ICB_FILETYPE_META_BITMAP 252 | |||||
/* Anchor Volume Descriptor Pointer [3/10.2] */ | |||||
struct anchor_vdp { | |||||
struct desc_tag tag; | |||||
struct extent_ad main_vds_ex; /* to main volume descriptor set ; 16 sectors min */ | |||||
struct extent_ad reserve_vds_ex; /* copy of main volume descriptor set ; 16 sectors min */ | |||||
} __packed; | |||||
/* Volume Descriptor Pointer [3/10.3] */ | |||||
struct vol_desc_ptr { | |||||
struct desc_tag tag; /* use for extending the volume descriptor space */ | |||||
uint32_t vds_number; | |||||
struct extent_ad next_vds_ex; /* points to the next block for volume descriptor space */ | |||||
} __packed; | |||||
/* Primary Volume Descriptor [3/10.1] */ | |||||
struct pri_vol_desc { | |||||
struct desc_tag tag; | |||||
uint32_t seq_num; /* MAX prevail */ | |||||
uint32_t pvd_num; /* assigned by author; 0 is special as in it may only occur once */ | |||||
char vol_id[32]; /* KEY ; main identifier of this disc */ | |||||
uint16_t vds_num; /* volume descriptor number; i.e. what volume number is it */ | |||||
uint16_t max_vol_seq; /* maximum volume descriptor number known */ | |||||
uint16_t ichg_lvl; | |||||
uint16_t max_ichg_lvl; | |||||
uint32_t charset_list; | |||||
uint32_t max_charset_list; | |||||
char volset_id[128]; /* KEY ; if part of a multi-disc set or a band of volumes */ | |||||
struct charspec desc_charset; /* KEY according to ECMA 167 */ | |||||
struct charspec explanatory_charset; | |||||
struct extent_ad vol_abstract; | |||||
struct extent_ad vol_copyright; | |||||
struct regid app_id; | |||||
struct timestamp time; | |||||
struct regid imp_id; | |||||
uint8_t imp_use[64]; | |||||
uint32_t prev_vds_loc; /* location of predecessor _lov ? */ | |||||
uint16_t flags; /* bit 0 : if set indicates volume set name is meaningful */ | |||||
uint8_t reserved[22]; | |||||
} __packed; | |||||
/* UDF specific implementation use part of the implementation use volume descriptor */ | |||||
struct udf_lv_info { | |||||
struct charspec lvi_charset; | |||||
char logvol_id[128]; | |||||
char lvinfo1[36]; | |||||
char lvinfo2[36]; | |||||
char lvinfo3[36]; | |||||
struct regid impl_id; | |||||
uint8_t impl_use[128]; | |||||
} __packed; | |||||
/* Implementation use Volume Descriptor */ | |||||
struct impvol_desc { | |||||
struct desc_tag tag; | |||||
uint32_t seq_num; | |||||
struct regid impl_id; | |||||
union { | |||||
struct udf_lv_info lv_info; | |||||
char impl_use[460]; | |||||
} _impl_use; | |||||
} __packed; | |||||
/* Logical Volume Descriptor [3/10.6] */ | |||||
struct logvol_desc { | |||||
struct desc_tag tag; | |||||
uint32_t seq_num; /* MAX prevail */ | |||||
struct charspec desc_charset; /* KEY */ | |||||
char logvol_id[128]; /* KEY */ | |||||
uint32_t lb_size; | |||||
struct regid domain_id; | |||||
union { | |||||
struct long_ad fsd_loc; /* to fileset descriptor SEQUENCE */ | |||||
uint8_t logvol_content_use[16]; | |||||
} _lvd_use; | |||||
uint32_t mt_l; /* Partition map length */ | |||||
uint32_t n_pm; /* Number of partition maps */ | |||||
struct regid imp_id; | |||||
uint8_t imp_use[128]; | |||||
struct extent_ad integrity_seq_loc; | |||||
uint8_t maps[1]; | |||||
} __packed; | |||||
#define lv_fsd_loc _lvd_use.fsd_loc | |||||
#define UDF_INTEGRITY_OPEN 0 | |||||
#define UDF_INTEGRITY_CLOSED 1 | |||||
#define UDF_PMAP_SIZE 64 | |||||
/* Type 1 Partition Map [3/10.7.2] */ | |||||
struct part_map_1 { | |||||
uint8_t type; | |||||
uint8_t len; | |||||
uint16_t vol_seq_num; | |||||
uint16_t part_num; | |||||
} __packed; | |||||
/* Type 2 Partition Map [3/10.7.3] */ | |||||
struct part_map_2 { | |||||
uint8_t type; | |||||
uint8_t len; | |||||
uint8_t reserved[2]; | |||||
struct regid part_id; | |||||
uint16_t vol_seq_num; | |||||
uint16_t part_num; | |||||
uint8_t reserved2[24]; | |||||
} __packed; | |||||
/* Virtual Partition Map [UDF 2.01/2.2.8] */ | |||||
struct part_map_virt { | |||||
uint8_t type; | |||||
uint8_t len; | |||||
uint8_t reserved[2]; | |||||
struct regid id; | |||||
uint16_t vol_seq_num; | |||||
uint16_t part_num; | |||||
uint8_t reserved1[24]; | |||||
} __packed; | |||||
/* Sparable Partition Map [UDF 2.01/2.2.9] */ | |||||
struct part_map_spare { | |||||
uint8_t type; | |||||
uint8_t len; | |||||
uint8_t reserved[2]; | |||||
struct regid id; | |||||
uint16_t vol_seq_num; | |||||
uint16_t part_num; | |||||
uint16_t packet_len; | |||||
uint8_t n_st; /* Number of redundant sparing tables range 1-4 */ | |||||
uint8_t reserved1; | |||||
uint32_t st_size; /* size of EACH sparing table */ | |||||
uint32_t st_loc[1]; /* locations of sparing tables */ | |||||
} __packed; | |||||
/* Metadata Partition Map [UDF 2.50/2.2.10] */ | |||||
struct part_map_meta { | |||||
uint8_t type; | |||||
uint8_t len; | |||||
uint8_t reserved[2]; | |||||
struct regid id; | |||||
uint16_t vol_seq_num; | |||||
uint16_t part_num; | |||||
uint32_t meta_file_lbn; /* logical block number for file entry within part_num */ | |||||
uint32_t meta_mirror_file_lbn; | |||||
uint32_t meta_bitmap_file_lbn; | |||||
uint32_t alloc_unit_size; /* allocation unit size in blocks */ | |||||
uint16_t alignment_unit_size; /* alignment necessary in blocks */ | |||||
uint8_t flags; | |||||
uint8_t reserved1[5]; | |||||
} __packed; | |||||
#define METADATA_DUPLICATED 1 | |||||
union udf_pmap { | |||||
uint8_t data[UDF_PMAP_SIZE]; | |||||
struct part_map_1 pm1; | |||||
struct part_map_2 pm2; | |||||
struct part_map_virt pmv; | |||||
struct part_map_spare pms; | |||||
struct part_map_meta pmm; | |||||
}; | |||||
/* Sparing Map Entry [UDF 2.01/2.2.11] */ | |||||
struct spare_map_entry { | |||||
uint32_t org; /* partition relative address */ | |||||
uint32_t map; /* absolute disc address (!) can be in partition, but doesn't have to be */ | |||||
} __packed; | |||||
/* Sparing Table [UDF 2.01/2.2.11] */ | |||||
struct udf_sparing_table { | |||||
struct desc_tag tag; | |||||
struct regid id; | |||||
uint16_t rt_l; /* Relocation Table len */ | |||||
uint8_t reserved[2]; | |||||
uint32_t seq_num; | |||||
struct spare_map_entry entries[1]; | |||||
} __packed; | |||||
#define UDF_NO_PREV_VAT 0xffffffff | |||||
/* UDF 1.50 VAT suffix [UDF 2.2.10 (UDF 1.50 spec)] */ | |||||
struct udf_oldvat_tail { | |||||
struct regid id; /* "*UDF Virtual Alloc Tbl" */ | |||||
uint32_t prev_vat; | |||||
} __packed; | |||||
/* VAT table [UDF 2.0.1/2.2.10] */ | |||||
struct udf_vat { | |||||
uint16_t header_len; | |||||
uint16_t impl_use_len; | |||||
char logvol_id[128]; /* newer version of the LVD one */ | |||||
uint32_t prev_vat; | |||||
uint32_t num_files; | |||||
uint32_t num_directories; | |||||
uint16_t min_udf_readver; | |||||
uint16_t min_udf_writever; | |||||
uint16_t max_udf_writever; | |||||
uint16_t reserved; | |||||
uint8_t data[1]; /* impl.use followed by VAT entries (uint32_t) */ | |||||
} __packed; | |||||
/* Space bitmap descriptor as found in the partition header descriptor */ | |||||
struct space_bitmap_desc { | |||||
struct desc_tag tag; /* TagId 264 */ | |||||
uint32_t num_bits; /* number of bits */ | |||||
uint32_t num_bytes; /* bytes that contain it */ | |||||
uint8_t data[1]; | |||||
} __packed; | |||||
/* Unalloc space entry as found in the partition header descriptor */ | |||||
struct space_entry_desc { | |||||
struct desc_tag tag; /* TagId 263 */ | |||||
struct icb_tag icbtag; /* type 1 */ | |||||
uint32_t l_ad; /* in bytes */ | |||||
uint8_t entry[1]; | |||||
} __packed; | |||||
/* Partition header descriptor; in the contents_use of part_desc */ | |||||
struct part_hdr_desc { | |||||
struct short_ad unalloc_space_table; | |||||
struct short_ad unalloc_space_bitmap; | |||||
struct short_ad part_integrity_table; /* has to be ZERO for UDF */ | |||||
struct short_ad freed_space_table; | |||||
struct short_ad freed_space_bitmap; | |||||
uint8_t reserved[88]; | |||||
} __packed; | |||||
/* Partition Descriptor [3/10.5] */ | |||||
struct part_desc { | |||||
struct desc_tag tag; | |||||
uint32_t seq_num; /* MAX prevailing */ | |||||
uint16_t flags; /* bit 0 : if set the space is allocated */ | |||||
uint16_t part_num; /* KEY */ | |||||
struct regid contents; | |||||
union { | |||||
struct part_hdr_desc part_hdr; | |||||
uint8_t contents_use[128]; | |||||
} _impl_use; | |||||
uint32_t access_type; /* R/W, WORM etc. */ | |||||
uint32_t start_loc; /* start of partition with given length */ | |||||
uint32_t part_len; | |||||
struct regid imp_id; | |||||
uint8_t imp_use[128]; | |||||
uint8_t reserved[156]; | |||||
} __packed; | |||||
#define pd_part_hdr _impl_use.part_hdr | |||||
#define UDF_PART_FLAG_ALLOCATED 1 | |||||
/* Unallocated Space Descriptor (UDF 2.01/2.2.5) */ | |||||
struct unalloc_sp_desc { | |||||
struct desc_tag tag; | |||||
uint32_t seq_num; /* MAX prevailing */ | |||||
uint32_t alloc_desc_num; | |||||
struct extent_ad alloc_desc[1]; | |||||
} __packed; | |||||
/* Logical Volume Integrity Descriptor [3/30.10] */ | |||||
struct logvolhdr { | |||||
uint64_t next_unique_id; | |||||
/* rest reserved */ | |||||
} __packed; | |||||
struct udf_logvol_info { | |||||
struct regid impl_id; | |||||
uint32_t num_files; | |||||
uint32_t num_directories; | |||||
uint16_t min_udf_readver; | |||||
uint16_t min_udf_writever; | |||||
uint16_t max_udf_writever; | |||||
} __packed; | |||||
struct logvol_int_desc { | |||||
struct desc_tag tag; | |||||
struct timestamp time; | |||||
uint32_t integrity_type; | |||||
struct extent_ad next_extent; | |||||
union { | |||||
struct logvolhdr logvolhdr; | |||||
int8_t reserved[32]; | |||||
} _impl_use; | |||||
uint32_t num_part; | |||||
uint32_t l_iu; | |||||
uint32_t tables[1]; /* Freespace table, Sizetable, Implementation use */ | |||||
} __packed; | |||||
#define lvint_next_unique_id _impl_use.logvolhdr.next_unique_id | |||||
/* File Set Descriptor [4/14.1] */ | |||||
struct fileset_desc { | |||||
struct desc_tag tag; | |||||
struct timestamp time; | |||||
uint16_t ichg_lvl; | |||||
uint16_t max_ichg_lvl; | |||||
uint32_t charset_list; | |||||
uint32_t max_charset_list; | |||||
uint32_t fileset_num; /* key! */ | |||||
uint32_t fileset_desc_num; | |||||
struct charspec logvol_id_charset; | |||||
char logvol_id[128]; /* for recovery */ | |||||
struct charspec fileset_charset; | |||||
char fileset_id[32]; /* Mountpoint !! */ | |||||
char copyright_file_id[32]; | |||||
char abstract_file_id[32]; | |||||
struct long_ad rootdir_icb; /* to rootdir; icb->virtual ? */ | |||||
struct regid domain_id; | |||||
struct long_ad next_ex; /* to the next fileset_desc extent */ | |||||
struct long_ad streamdir_icb; /* streamdir; needed? */ | |||||
uint8_t reserved[32]; | |||||
} __packed; | |||||
/* File Identifier Descriptor [4/14.4] */ | |||||
struct fileid_desc { | |||||
struct desc_tag tag; | |||||
uint16_t file_version_num; | |||||
uint8_t file_char; | |||||
uint8_t l_fi; /* Length of file identifier area */ | |||||
struct long_ad icb; | |||||
uint16_t l_iu; /* Length of implementation use area */ | |||||
uint8_t data[0]; | |||||
} __packed; | |||||
#define UDF_FID_SIZE 38 | |||||
#define UDF_FILE_CHAR_VIS (1 << 0) /* Invisible */ | |||||
#define UDF_FILE_CHAR_DIR (1 << 1) /* Directory */ | |||||
#define UDF_FILE_CHAR_DEL (1 << 2) /* Deleted */ | |||||
#define UDF_FILE_CHAR_PAR (1 << 3) /* Parent Directory */ | |||||
#define UDF_FILE_CHAR_META (1 << 4) /* Stream metadata */ | |||||
/* Extended attributes [4/14.10.1] */ | |||||
struct extattrhdr_desc { | |||||
struct desc_tag tag; | |||||
uint32_t impl_attr_loc; /* offsets within this descriptor */ | |||||
uint32_t appl_attr_loc; /* ditto */ | |||||
} __packed; | |||||
#define UDF_IMPL_ATTR_LOC_NOT_PRESENT 0xffffffff | |||||
#define UDF_APPL_ATTR_LOC_NOT_PRESENT 0xffffffff | |||||
/* Extended attribute entry [4/48.10.2] */ | |||||
struct extattr_entry { | |||||
uint32_t type; | |||||
uint8_t subtype; | |||||
uint8_t reserved[3]; | |||||
uint32_t a_l; | |||||
} __packed; | |||||
/* Extended attribute entry; type 2048 [4/48.10.8] */ | |||||
struct impl_extattr_entry { | |||||
struct extattr_entry hdr; | |||||
uint32_t iu_l; | |||||
struct regid imp_id; | |||||
uint8_t data[1]; | |||||
} __packed; | |||||
/* Extended attribute entry; type 65 536 [4/48.10.9] */ | |||||
struct appl_extattr_entry { | |||||
struct extattr_entry hdr; | |||||
uint32_t au_l; | |||||
struct regid appl_id; | |||||
uint8_t data[1]; | |||||
} __packed; | |||||
/* File Times attribute entry; type 5 or type 6 [4/48.10.5], [4/48.10.6] */ | |||||
struct filetimes_extattr_entry { | |||||
struct extattr_entry hdr; | |||||
uint32_t d_l; /* length of times[] data following */ | |||||
uint32_t existence; /* bitmask */ | |||||
struct timestamp times[1]; /* in order of ascending bits */ | |||||
} __packed; | |||||
#define UDF_FILETIMES_ATTR_NO 5 | |||||
#define UDF_FILETIMES_FILE_CREATION 1 | |||||
#define UDF_FILETIMES_FILE_DELETION 4 | |||||
#define UDF_FILETIMES_FILE_EFFECTIVE 8 | |||||
#define UDF_FILETIMES_FILE_BACKUPED 16 | |||||
#define UDF_FILETIMES_ATTR_SIZE(no) (20 + (no)*sizeof(struct timestamp)) | |||||
/* Device Specification Extended Attribute [4/4.10.7] */ | |||||
struct device_extattr_entry { | |||||
struct extattr_entry hdr; | |||||
uint32_t iu_l; /* length of implementation use */ | |||||
uint32_t major; | |||||
uint32_t minor; | |||||
uint8_t data[1]; /* UDF: if nonzero length, contain developer ID regid */ | |||||
} __packed; | |||||
#define UDF_DEVICESPEC_ATTR_NO 12 | |||||
/* VAT LV extension Extended Attribute [UDF 3.3.4.5.1.3] 1.50 errata */ | |||||
struct vatlvext_extattr_entry { | |||||
uint64_t unique_id_chk; /* needs to be copy of ICB's */ | |||||
uint32_t num_files; | |||||
uint32_t num_directories; | |||||
char logvol_id[128]; /* replaces logvol name */ | |||||
} __packed; | |||||
/* File Entry [4/14.9] */ | |||||
struct file_entry { | |||||
struct desc_tag tag; | |||||
struct icb_tag icbtag; | |||||
uint32_t uid; | |||||
uint32_t gid; | |||||
uint32_t perm; | |||||
uint16_t link_cnt; | |||||
uint8_t rec_format; | |||||
uint8_t rec_disp_attr; | |||||
uint32_t rec_len; | |||||
uint64_t inf_len; | |||||
uint64_t logblks_rec; | |||||
struct timestamp atime; | |||||
struct timestamp mtime; | |||||
struct timestamp attrtime; | |||||
uint32_t ckpoint; | |||||
struct long_ad ex_attr_icb; | |||||
struct regid imp_id; | |||||
uint64_t unique_id; | |||||
uint32_t l_ea; /* Length of extended attribute area */ | |||||
uint32_t l_ad; /* Length of allocation descriptors */ | |||||
uint8_t data[1]; | |||||
} __packed; | |||||
#define UDF_FENTRY_SIZE 176 | |||||
#define UDF_FENTRY_PERM_USER_MASK 0x07 | |||||
#define UDF_FENTRY_PERM_GRP_MASK 0xE0 | |||||
#define UDF_FENTRY_PERM_OWNER_MASK 0x1C00 | |||||
/* Extended File Entry [4/48.17] */ | |||||
struct extfile_entry { | |||||
struct desc_tag tag; | |||||
struct icb_tag icbtag; | |||||
uint32_t uid; | |||||
uint32_t gid; | |||||
uint32_t perm; | |||||
uint16_t link_cnt; | |||||
uint8_t rec_format; | |||||
uint8_t rec_disp_attr; | |||||
uint32_t rec_len; | |||||
uint64_t inf_len; | |||||
uint64_t obj_size; | |||||
uint64_t logblks_rec; | |||||
struct timestamp atime; | |||||
struct timestamp mtime; | |||||
struct timestamp ctime; | |||||
struct timestamp attrtime; | |||||
uint32_t ckpoint; | |||||
uint32_t reserved1; | |||||
struct long_ad ex_attr_icb; | |||||
struct long_ad streamdir_icb; | |||||
struct regid imp_id; | |||||
uint64_t unique_id; | |||||
uint32_t l_ea; /* Length of extended attribute area */ | |||||
uint32_t l_ad; /* Length of allocation descriptors */ | |||||
uint8_t data[1]; | |||||
} __packed; | |||||
#define UDF_EXTFENTRY_SIZE 216 | |||||
/* Indirect entry [ecma 48.7] */ | |||||
struct indirect_entry { | |||||
struct desc_tag tag; | |||||
struct icb_tag icbtag; | |||||
struct long_ad indirect_icb; | |||||
} __packed; | |||||
/* Allocation extent descriptor [ecma 48.5] */ | |||||
struct alloc_ext_entry { | |||||
struct desc_tag tag; | |||||
uint32_t prev_entry; | |||||
uint32_t l_ad; | |||||
uint8_t data[1]; | |||||
} __packed; | |||||
union dscrptr { | |||||
struct desc_tag tag; | |||||
struct anchor_vdp avdp; | |||||
struct vol_desc_ptr vdp; | |||||
struct pri_vol_desc pvd; | |||||
struct logvol_desc lvd; | |||||
struct unalloc_sp_desc usd; | |||||
struct logvol_int_desc lvid; | |||||
struct impvol_desc ivd; | |||||
struct part_desc pd; | |||||
struct fileset_desc fsd; | |||||
struct fileid_desc fid; | |||||
struct file_entry fe; | |||||
struct extfile_entry efe; | |||||
struct extattrhdr_desc eahd; | |||||
struct indirect_entry inde; | |||||
struct alloc_ext_entry aee; | |||||
struct udf_sparing_table spt; | |||||
struct space_bitmap_desc sbd; | |||||
struct space_entry_desc sed; | |||||
}; | |||||
#endif /* !_FS_UDF_ECMA167_UDF_H_ */ | |||||