iso.h revision 92765
11541Srgrimes/*- 21541Srgrimes * Copyright (c) 1994 31541Srgrimes * The Regents of the University of California. All rights reserved. 41541Srgrimes * 51541Srgrimes * This code is derived from software contributed to Berkeley 61541Srgrimes * by Pace Willisson (pace@blitz.com). The Rock Ridge Extension 71541Srgrimes * Support code is derived from software contributed to Berkeley 81541Srgrimes * by Atsushi Murai (amurai@spec.co.jp). 91541Srgrimes * 101541Srgrimes * Redistribution and use in source and binary forms, with or without 111541Srgrimes * modification, are permitted provided that the following conditions 121541Srgrimes * are met: 131541Srgrimes * 1. Redistributions of source code must retain the above copyright 141541Srgrimes * notice, this list of conditions and the following disclaimer. 151541Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 161541Srgrimes * notice, this list of conditions and the following disclaimer in the 171541Srgrimes * documentation and/or other materials provided with the distribution. 181541Srgrimes * 3. All advertising materials mentioning features or use of this software 191541Srgrimes * must display the following acknowledgement: 201541Srgrimes * This product includes software developed by the University of 211541Srgrimes * California, Berkeley and its contributors. 221541Srgrimes * 4. Neither the name of the University nor the names of its contributors 231541Srgrimes * may be used to endorse or promote products derived from this software 241541Srgrimes * without specific prior written permission. 251541Srgrimes * 261541Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 271541Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 281541Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 291541Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 301541Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 311541Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 321541Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 331541Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 341541Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 351541Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 361541Srgrimes * SUCH DAMAGE. 371541Srgrimes * 3822521Sdyson * @(#)iso.h 8.6 (Berkeley) 5/10/95 3950477Speter * $FreeBSD: head/sys/fs/cd9660/iso.h 92765 2002-03-20 07:51:46Z alfred $ 401541Srgrimes */ 411541Srgrimes 421541Srgrimes#define ISODCL(from, to) (to - from + 1) 431541Srgrimes 441541Srgrimesstruct iso_volume_descriptor { 451541Srgrimes char type[ISODCL(1,1)]; /* 711 */ 461541Srgrimes char id[ISODCL(2,6)]; 471541Srgrimes char version[ISODCL(7,7)]; 485651Sjoerg char unused[ISODCL(8,8)]; 495651Sjoerg char type_sierra[ISODCL(9,9)]; /* 711 */ 505651Sjoerg char id_sierra[ISODCL(10,14)]; 515651Sjoerg char version_sierra[ISODCL(15,15)]; 525651Sjoerg char data[ISODCL(16,2048)]; 531541Srgrimes}; 541541Srgrimes 551541Srgrimes/* volume descriptor types */ 561541Srgrimes#define ISO_VD_PRIMARY 1 5745773Sdcs#define ISO_VD_SUPPLEMENTARY 2 581541Srgrimes#define ISO_VD_END 255 591541Srgrimes 601541Srgrimes#define ISO_STANDARD_ID "CD001" 615651Sjoerg#define ISO_ECMA_ID "CDW01" 621541Srgrimes 635651Sjoerg#define ISO_SIERRA_ID "CDROM" 645651Sjoerg 651541Srgrimesstruct iso_primary_descriptor { 665651Sjoerg char type [ISODCL ( 1, 1)]; /* 711 */ 675651Sjoerg char id [ISODCL ( 2, 6)]; 685651Sjoerg char version [ISODCL ( 7, 7)]; /* 711 */ 695651Sjoerg char unused1 [ISODCL ( 8, 8)]; 701541Srgrimes char system_id [ISODCL ( 9, 40)]; /* achars */ 711541Srgrimes char volume_id [ISODCL ( 41, 72)]; /* dchars */ 721541Srgrimes char unused2 [ISODCL ( 73, 80)]; 731541Srgrimes char volume_space_size [ISODCL ( 81, 88)]; /* 733 */ 741541Srgrimes char unused3 [ISODCL ( 89, 120)]; 751541Srgrimes char volume_set_size [ISODCL (121, 124)]; /* 723 */ 761541Srgrimes char volume_sequence_number [ISODCL (125, 128)]; /* 723 */ 771541Srgrimes char logical_block_size [ISODCL (129, 132)]; /* 723 */ 781541Srgrimes char path_table_size [ISODCL (133, 140)]; /* 733 */ 791541Srgrimes char type_l_path_table [ISODCL (141, 144)]; /* 731 */ 801541Srgrimes char opt_type_l_path_table [ISODCL (145, 148)]; /* 731 */ 811541Srgrimes char type_m_path_table [ISODCL (149, 152)]; /* 732 */ 821541Srgrimes char opt_type_m_path_table [ISODCL (153, 156)]; /* 732 */ 831541Srgrimes char root_directory_record [ISODCL (157, 190)]; /* 9.1 */ 841541Srgrimes char volume_set_id [ISODCL (191, 318)]; /* dchars */ 851541Srgrimes char publisher_id [ISODCL (319, 446)]; /* achars */ 861541Srgrimes char preparer_id [ISODCL (447, 574)]; /* achars */ 871541Srgrimes char application_id [ISODCL (575, 702)]; /* achars */ 881541Srgrimes char copyright_file_id [ISODCL (703, 739)]; /* 7.5 dchars */ 891541Srgrimes char abstract_file_id [ISODCL (740, 776)]; /* 7.5 dchars */ 901541Srgrimes char bibliographic_file_id [ISODCL (777, 813)]; /* 7.5 dchars */ 911541Srgrimes char creation_date [ISODCL (814, 830)]; /* 8.4.26.1 */ 921541Srgrimes char modification_date [ISODCL (831, 847)]; /* 8.4.26.1 */ 931541Srgrimes char expiration_date [ISODCL (848, 864)]; /* 8.4.26.1 */ 941541Srgrimes char effective_date [ISODCL (865, 881)]; /* 8.4.26.1 */ 951541Srgrimes char file_structure_version [ISODCL (882, 882)]; /* 711 */ 961541Srgrimes char unused4 [ISODCL (883, 883)]; 971541Srgrimes char application_data [ISODCL (884, 1395)]; 981541Srgrimes char unused5 [ISODCL (1396, 2048)]; 991541Srgrimes}; 1001541Srgrimes#define ISO_DEFAULT_BLOCK_SIZE 2048 1011541Srgrimes 10245773Sdcs/* 10345773Sdcs * Used by Microsoft Joliet extension to ISO9660. Almost the same 10445773Sdcs * as PVD, but byte position 8 is a flag, and 89-120 is for escape. 10545773Sdcs */ 10645773Sdcs 10745773Sdcsstruct iso_supplementary_descriptor { 10845773Sdcs char type [ISODCL ( 1, 1)]; /* 711 */ 10945773Sdcs char id [ISODCL ( 2, 6)]; 11045773Sdcs char version [ISODCL ( 7, 7)]; /* 711 */ 11145773Sdcs char flags [ISODCL ( 8, 8)]; /* 711? */ 11245773Sdcs char system_id [ISODCL ( 9, 40)]; /* achars */ 11345773Sdcs char volume_id [ISODCL ( 41, 72)]; /* dchars */ 11445773Sdcs char unused2 [ISODCL ( 73, 80)]; 11545773Sdcs char volume_space_size [ISODCL ( 81, 88)]; /* 733 */ 11645773Sdcs char escape [ISODCL ( 89, 120)]; 11745773Sdcs char volume_set_size [ISODCL (121, 124)]; /* 723 */ 11845773Sdcs char volume_sequence_number [ISODCL (125, 128)]; /* 723 */ 11945773Sdcs char logical_block_size [ISODCL (129, 132)]; /* 723 */ 12045773Sdcs char path_table_size [ISODCL (133, 140)]; /* 733 */ 12145773Sdcs char type_l_path_table [ISODCL (141, 144)]; /* 731 */ 12245773Sdcs char opt_type_l_path_table [ISODCL (145, 148)]; /* 731 */ 12345773Sdcs char type_m_path_table [ISODCL (149, 152)]; /* 732 */ 12445773Sdcs char opt_type_m_path_table [ISODCL (153, 156)]; /* 732 */ 12545773Sdcs char root_directory_record [ISODCL (157, 190)]; /* 9.1 */ 12645773Sdcs char volume_set_id [ISODCL (191, 318)]; /* dchars */ 12745773Sdcs char publisher_id [ISODCL (319, 446)]; /* achars */ 12845773Sdcs char preparer_id [ISODCL (447, 574)]; /* achars */ 12945773Sdcs char application_id [ISODCL (575, 702)]; /* achars */ 13045773Sdcs char copyright_file_id [ISODCL (703, 739)]; /* 7.5 dchars */ 13145773Sdcs char abstract_file_id [ISODCL (740, 776)]; /* 7.5 dchars */ 13245773Sdcs char bibliographic_file_id [ISODCL (777, 813)]; /* 7.5 dchars */ 13345773Sdcs char creation_date [ISODCL (814, 830)]; /* 8.4.26.1 */ 13445773Sdcs char modification_date [ISODCL (831, 847)]; /* 8.4.26.1 */ 13545773Sdcs char expiration_date [ISODCL (848, 864)]; /* 8.4.26.1 */ 13645773Sdcs char effective_date [ISODCL (865, 881)]; /* 8.4.26.1 */ 13745773Sdcs char file_structure_version [ISODCL (882, 882)]; /* 711 */ 13845773Sdcs char unused4 [ISODCL (883, 883)]; 13945773Sdcs char application_data [ISODCL (884, 1395)]; 14045773Sdcs char unused5 [ISODCL (1396, 2048)]; 14145773Sdcs}; 14245773Sdcs 1435651Sjoergstruct iso_sierra_primary_descriptor { 1445651Sjoerg char unknown1 [ISODCL ( 1, 8)]; /* 733 */ 1455651Sjoerg char type [ISODCL ( 9, 9)]; /* 711 */ 1465651Sjoerg char id [ISODCL ( 10, 14)]; 1475651Sjoerg char version [ISODCL ( 15, 15)]; /* 711 */ 1485651Sjoerg char unused1 [ISODCL ( 16, 16)]; 1495651Sjoerg char system_id [ISODCL ( 17, 48)]; /* achars */ 1505651Sjoerg char volume_id [ISODCL ( 49, 80)]; /* dchars */ 1515651Sjoerg char unused2 [ISODCL ( 81, 88)]; 1525651Sjoerg char volume_space_size [ISODCL ( 89, 96)]; /* 733 */ 1535651Sjoerg char unused3 [ISODCL ( 97, 128)]; 1545651Sjoerg char volume_set_size [ISODCL (129, 132)]; /* 723 */ 1555651Sjoerg char volume_sequence_number [ISODCL (133, 136)]; /* 723 */ 1565651Sjoerg char logical_block_size [ISODCL (137, 140)]; /* 723 */ 1575651Sjoerg char path_table_size [ISODCL (141, 148)]; /* 733 */ 1585651Sjoerg char type_l_path_table [ISODCL (149, 152)]; /* 731 */ 1595651Sjoerg char opt_type_l_path_table [ISODCL (153, 156)]; /* 731 */ 1605651Sjoerg char unknown2 [ISODCL (157, 160)]; /* 731 */ 1615651Sjoerg char unknown3 [ISODCL (161, 164)]; /* 731 */ 1625651Sjoerg char type_m_path_table [ISODCL (165, 168)]; /* 732 */ 1635651Sjoerg char opt_type_m_path_table [ISODCL (169, 172)]; /* 732 */ 1645651Sjoerg char unknown4 [ISODCL (173, 176)]; /* 732 */ 1655651Sjoerg char unknown5 [ISODCL (177, 180)]; /* 732 */ 1665651Sjoerg char root_directory_record [ISODCL (181, 214)]; /* 9.1 */ 1675651Sjoerg char volume_set_id [ISODCL (215, 342)]; /* dchars */ 1685651Sjoerg char publisher_id [ISODCL (343, 470)]; /* achars */ 1695651Sjoerg char preparer_id [ISODCL (471, 598)]; /* achars */ 1705651Sjoerg char application_id [ISODCL (599, 726)]; /* achars */ 1715651Sjoerg char copyright_id [ISODCL (727, 790)]; /* achars */ 1725651Sjoerg char creation_date [ISODCL (791, 806)]; /* ? */ 1735651Sjoerg char modification_date [ISODCL (807, 822)]; /* ? */ 1745651Sjoerg char expiration_date [ISODCL (823, 838)]; /* ? */ 1755651Sjoerg char effective_date [ISODCL (839, 854)]; /* ? */ 1765651Sjoerg char file_structure_version [ISODCL (855, 855)]; /* 711 */ 1775651Sjoerg char unused4 [ISODCL (856, 2048)]; 1785651Sjoerg}; 1795651Sjoerg 1801541Srgrimesstruct iso_directory_record { 1811541Srgrimes char length [ISODCL (1, 1)]; /* 711 */ 1821541Srgrimes char ext_attr_length [ISODCL (2, 2)]; /* 711 */ 18322521Sdyson u_char extent [ISODCL (3, 10)]; /* 733 */ 18422521Sdyson u_char size [ISODCL (11, 18)]; /* 733 */ 1851541Srgrimes char date [ISODCL (19, 25)]; /* 7 by 711 */ 1861541Srgrimes char flags [ISODCL (26, 26)]; 1871541Srgrimes char file_unit_size [ISODCL (27, 27)]; /* 711 */ 1881541Srgrimes char interleave [ISODCL (28, 28)]; /* 711 */ 1891541Srgrimes char volume_sequence_number [ISODCL (29, 32)]; /* 723 */ 1901541Srgrimes char name_len [ISODCL (33, 33)]; /* 711 */ 19122521Sdyson char name [1]; /* XXX */ 1921541Srgrimes}; 1931541Srgrimes/* can't take sizeof(iso_directory_record), because of possible alignment 1941541Srgrimes of the last entry (34 instead of 33) */ 1951541Srgrimes#define ISO_DIRECTORY_RECORD_SIZE 33 1961541Srgrimes 1971541Srgrimesstruct iso_extended_attributes { 19822521Sdyson u_char owner [ISODCL (1, 4)]; /* 723 */ 19922521Sdyson u_char group [ISODCL (5, 8)]; /* 723 */ 20022521Sdyson u_char perm [ISODCL (9, 10)]; /* 9.5.3 */ 2011541Srgrimes char ctime [ISODCL (11, 27)]; /* 8.4.26.1 */ 2021541Srgrimes char mtime [ISODCL (28, 44)]; /* 8.4.26.1 */ 2031541Srgrimes char xtime [ISODCL (45, 61)]; /* 8.4.26.1 */ 2041541Srgrimes char ftime [ISODCL (62, 78)]; /* 8.4.26.1 */ 2051541Srgrimes char recfmt [ISODCL (79, 79)]; /* 711 */ 2061541Srgrimes char recattr [ISODCL (80, 80)]; /* 711 */ 20722521Sdyson u_char reclen [ISODCL (81, 84)]; /* 723 */ 2081541Srgrimes char system_id [ISODCL (85, 116)]; /* achars */ 2091541Srgrimes char system_use [ISODCL (117, 180)]; 2101541Srgrimes char version [ISODCL (181, 181)]; /* 711 */ 2111541Srgrimes char len_esc [ISODCL (182, 182)]; /* 711 */ 2121541Srgrimes char reserved [ISODCL (183, 246)]; 21322521Sdyson u_char len_au [ISODCL (247, 250)]; /* 723 */ 2141541Srgrimes}; 2151541Srgrimes 21655206Speter#ifdef _KERNEL 21725531Sjoerg 2181541Srgrimes/* CD-ROM Format type */ 2195651Sjoergenum ISO_FTYPE { ISO_FTYPE_DEFAULT, ISO_FTYPE_9660, ISO_FTYPE_RRIP, 22045773Sdcs ISO_FTYPE_JOLIET, ISO_FTYPE_ECMA, ISO_FTYPE_HIGH_SIERRA }; 2211541Srgrimes 2221541Srgrimes#ifndef ISOFSMNT_ROOT 2231541Srgrimes#define ISOFSMNT_ROOT 0 2241541Srgrimes#endif 2251541Srgrimes 2261541Srgrimesstruct iso_mnt { 2271541Srgrimes int im_flags; 2281541Srgrimes 2291541Srgrimes struct mount *im_mountp; 2301541Srgrimes dev_t im_dev; 2311541Srgrimes struct vnode *im_devvp; 2321541Srgrimes 2331541Srgrimes int logical_block_size; 2341541Srgrimes int im_bshift; 2351541Srgrimes int im_bmask; 2368876Srgrimes 2371541Srgrimes int volume_space_size; 2388876Srgrimes 2391541Srgrimes char root[ISODCL (157, 190)]; 2401541Srgrimes int root_extent; 2411541Srgrimes int root_size; 2425651Sjoerg enum ISO_FTYPE iso_ftype; 2438876Srgrimes 2441541Srgrimes int rr_skip; 2451541Srgrimes int rr_skip0; 24645773Sdcs 24745773Sdcs int joliet_level; 2481541Srgrimes}; 2491541Srgrimes 2501541Srgrimes#define VFSTOISOFS(mp) ((struct iso_mnt *)((mp)->mnt_data)) 2511541Srgrimes 25222521Sdyson#define blkoff(imp, loc) ((loc) & (imp)->im_bmask) 25322521Sdyson#define lblktosize(imp, blk) ((blk) << (imp)->im_bshift) 25422521Sdyson#define lblkno(imp, loc) ((loc) >> (imp)->im_bshift) 25522521Sdyson#define blksize(imp, ip, lbn) ((imp)->logical_block_size) 2561541Srgrimes 25792765Salfredint cd9660_vget_internal(struct mount *, ino_t, int, struct vnode **, int, 25892765Salfred struct iso_directory_record *); 25992765Salfredint cd9660_init(struct vfsconf *); 26092765Salfredint cd9660_uninit(struct vfsconf *); 26192765Salfred#define cd9660_sysctl ((int (*)(int *, u_int, void *, size_t *, void *, \ 26292765Salfred size_t, struct proc *))eopnotsupp) 2631541Srgrimes 26412158Sbdeextern vop_t **cd9660_vnodeop_p; 26522521Sdysonextern vop_t **cd9660_specop_p; 26622521Sdysonextern vop_t **cd9660_fifoop_p; 2671541Srgrimes 26892765Salfredint isochar(u_char *, u_char *, int, u_char *); 26992765Salfredint isofncmp(u_char *, int, u_char *, int, int); 27092765Salfredvoid isofntrans(u_char *, int, u_char *, u_short *, int, int, int); 27192765Salfredino_t isodirino(struct iso_directory_record *, struct iso_mnt *); 27225531Sjoerg 27355206Speter#endif /* _KERNEL */ 27425531Sjoerg 27525531Sjoerg/* 27625531Sjoerg * The isonum_xxx functions are inlined anyway, and could come handy even 27725531Sjoerg * outside the kernel. Thus we don't hide them here. 27825531Sjoerg */ 27925531Sjoerg 28092765Salfredstatic __inline int isonum_711(u_char *); 28122521Sdysonstatic __inline int 2821541Srgrimesisonum_711(p) 28322521Sdyson u_char *p; 2841541Srgrimes{ 2851541Srgrimes return *p; 2861541Srgrimes} 2871541Srgrimes 28892765Salfredstatic __inline int isonum_712(char *); 28922521Sdysonstatic __inline int 2901541Srgrimesisonum_712(p) 2911541Srgrimes char *p; 2921541Srgrimes{ 2931541Srgrimes return *p; 2941541Srgrimes} 2951541Srgrimes 29622521Sdyson#ifndef UNALIGNED_ACCESS 29722521Sdyson 29892765Salfredstatic __inline int isonum_723(u_char *); 29922521Sdysonstatic __inline int 30022521Sdysonisonum_723(p) 30122521Sdyson u_char *p; 3021541Srgrimes{ 30322521Sdyson return *p|(p[1] << 8); 3041541Srgrimes} 3051541Srgrimes 30692765Salfredstatic __inline int isonum_733(u_char *); 30722521Sdysonstatic __inline int 30822521Sdysonisonum_733(p) 30922521Sdyson u_char *p; 3101541Srgrimes{ 31122521Sdyson return *p|(p[1] << 8)|(p[2] << 16)|(p[3] << 24); 3121541Srgrimes} 3131541Srgrimes 31422521Sdyson#else /* UNALIGNED_ACCESS */ 31522521Sdyson 31622521Sdyson#if BYTE_ORDER == LITTLE_ENDIAN 31722521Sdyson 31822521Sdysonstatic __inline int 3191541Srgrimesisonum_723(p) 32022521Sdyson u_char *p 3211541Srgrimes{ 32222521Sdyson return *(u_int16t *)p; 3231541Srgrimes} 3241541Srgrimes 32522521Sdysonstatic __inline int 32622521Sdysonisonum_733(p) 32722521Sdyson u_char *p; 3281541Srgrimes{ 32922521Sdyson return *(u_int32t *)p; 3301541Srgrimes} 3311541Srgrimes 33222521Sdyson#endif 33322521Sdyson 33422521Sdyson#if BYTE_ORDER == BIG_ENDIAN 33522521Sdyson 33622521Sdysonstatic __inline int 33722521Sdysonisonum_723(p) 33822521Sdyson u_char *p 3391541Srgrimes{ 34022521Sdyson return *(u_int16t *)(p + 2); 3411541Srgrimes} 3421541Srgrimes 34322521Sdysonstatic __inline int 3441541Srgrimesisonum_733(p) 34522521Sdyson u_char *p; 3461541Srgrimes{ 34722521Sdyson return *(u_int32t *)(p + 4); 3481541Srgrimes} 3491541Srgrimes 35022521Sdyson#endif 3511541Srgrimes 35222521Sdyson#endif /* UNALIGNED_ACCESS */ 35322521Sdyson 3541541Srgrimes/* 3551541Srgrimes * Associated files have a leading '='. 3561541Srgrimes */ 3571541Srgrimes#define ASSOCCHAR '=' 358