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author | rgrimes <rgrimes@FreeBSD.org> | 1994-05-24 10:09:53 +0000 |
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committer | rgrimes <rgrimes@FreeBSD.org> | 1994-05-24 10:09:53 +0000 |
commit | 27464aaa8e6ad0a90df705f3dd8ea4c48ffefd04 (patch) | |
tree | 498662170037963c8b911613f2622e38efea4434 /sys/fs/cd9660/iso.h | |
parent | 41dbbe7dea1bb3e50798efb3ea01e967bf27364a (diff) | |
download | FreeBSD-src-27464aaa8e6ad0a90df705f3dd8ea4c48ffefd04.zip FreeBSD-src-27464aaa8e6ad0a90df705f3dd8ea4c48ffefd04.tar.gz |
BSD 4.4 Lite Kernel Sources
Diffstat (limited to 'sys/fs/cd9660/iso.h')
-rw-r--r-- | sys/fs/cd9660/iso.h | 256 |
1 files changed, 256 insertions, 0 deletions
diff --git a/sys/fs/cd9660/iso.h b/sys/fs/cd9660/iso.h new file mode 100644 index 0000000..e356706 --- /dev/null +++ b/sys/fs/cd9660/iso.h @@ -0,0 +1,256 @@ +/*- + * Copyright (c) 1994 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley + * by Pace Willisson (pace@blitz.com). The Rock Ridge Extension + * Support code is derived from software contributed to Berkeley + * by Atsushi Murai (amurai@spec.co.jp). + * + * 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. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. + * + * @(#)iso.h 8.2 (Berkeley) 1/23/94 + */ + +#define ISODCL(from, to) (to - from + 1) + +struct iso_volume_descriptor { + char type[ISODCL(1,1)]; /* 711 */ + char id[ISODCL(2,6)]; + char version[ISODCL(7,7)]; + char data[ISODCL(8,2048)]; +}; + +/* volume descriptor types */ +#define ISO_VD_PRIMARY 1 +#define ISO_VD_END 255 + +#define ISO_STANDARD_ID "CD001" +#define ISO_ECMA_ID "CDW01" + +struct iso_primary_descriptor { + char type [ISODCL ( 1, 1)]; /* 711 */ + char id [ISODCL ( 2, 6)]; + char version [ISODCL ( 7, 7)]; /* 711 */ + char unused1 [ISODCL ( 8, 8)]; + char system_id [ISODCL ( 9, 40)]; /* achars */ + char volume_id [ISODCL ( 41, 72)]; /* dchars */ + char unused2 [ISODCL ( 73, 80)]; + char volume_space_size [ISODCL ( 81, 88)]; /* 733 */ + char unused3 [ISODCL ( 89, 120)]; + char volume_set_size [ISODCL (121, 124)]; /* 723 */ + char volume_sequence_number [ISODCL (125, 128)]; /* 723 */ + char logical_block_size [ISODCL (129, 132)]; /* 723 */ + char path_table_size [ISODCL (133, 140)]; /* 733 */ + char type_l_path_table [ISODCL (141, 144)]; /* 731 */ + char opt_type_l_path_table [ISODCL (145, 148)]; /* 731 */ + char type_m_path_table [ISODCL (149, 152)]; /* 732 */ + char opt_type_m_path_table [ISODCL (153, 156)]; /* 732 */ + char root_directory_record [ISODCL (157, 190)]; /* 9.1 */ + char volume_set_id [ISODCL (191, 318)]; /* dchars */ + char publisher_id [ISODCL (319, 446)]; /* achars */ + char preparer_id [ISODCL (447, 574)]; /* achars */ + char application_id [ISODCL (575, 702)]; /* achars */ + char copyright_file_id [ISODCL (703, 739)]; /* 7.5 dchars */ + char abstract_file_id [ISODCL (740, 776)]; /* 7.5 dchars */ + char bibliographic_file_id [ISODCL (777, 813)]; /* 7.5 dchars */ + char creation_date [ISODCL (814, 830)]; /* 8.4.26.1 */ + char modification_date [ISODCL (831, 847)]; /* 8.4.26.1 */ + char expiration_date [ISODCL (848, 864)]; /* 8.4.26.1 */ + char effective_date [ISODCL (865, 881)]; /* 8.4.26.1 */ + char file_structure_version [ISODCL (882, 882)]; /* 711 */ + char unused4 [ISODCL (883, 883)]; + char application_data [ISODCL (884, 1395)]; + char unused5 [ISODCL (1396, 2048)]; +}; +#define ISO_DEFAULT_BLOCK_SIZE 2048 + +struct iso_directory_record { + char length [ISODCL (1, 1)]; /* 711 */ + char ext_attr_length [ISODCL (2, 2)]; /* 711 */ + unsigned char extent [ISODCL (3, 10)]; /* 733 */ + unsigned char size [ISODCL (11, 18)]; /* 733 */ + char date [ISODCL (19, 25)]; /* 7 by 711 */ + char flags [ISODCL (26, 26)]; + char file_unit_size [ISODCL (27, 27)]; /* 711 */ + char interleave [ISODCL (28, 28)]; /* 711 */ + char volume_sequence_number [ISODCL (29, 32)]; /* 723 */ + char name_len [ISODCL (33, 33)]; /* 711 */ + char name [0]; +}; +/* can't take sizeof(iso_directory_record), because of possible alignment + of the last entry (34 instead of 33) */ +#define ISO_DIRECTORY_RECORD_SIZE 33 + +struct iso_extended_attributes { + unsigned char owner [ISODCL (1, 4)]; /* 723 */ + unsigned char group [ISODCL (5, 8)]; /* 723 */ + unsigned char perm [ISODCL (9, 10)]; /* 9.5.3 */ + char ctime [ISODCL (11, 27)]; /* 8.4.26.1 */ + char mtime [ISODCL (28, 44)]; /* 8.4.26.1 */ + char xtime [ISODCL (45, 61)]; /* 8.4.26.1 */ + char ftime [ISODCL (62, 78)]; /* 8.4.26.1 */ + char recfmt [ISODCL (79, 79)]; /* 711 */ + char recattr [ISODCL (80, 80)]; /* 711 */ + unsigned char reclen [ISODCL (81, 84)]; /* 723 */ + char system_id [ISODCL (85, 116)]; /* achars */ + char system_use [ISODCL (117, 180)]; + char version [ISODCL (181, 181)]; /* 711 */ + char len_esc [ISODCL (182, 182)]; /* 711 */ + char reserved [ISODCL (183, 246)]; + unsigned char len_au [ISODCL (247, 250)]; /* 723 */ +}; + +/* CD-ROM Format type */ +enum ISO_FTYPE { ISO_FTYPE_DEFAULT, ISO_FTYPE_9660, ISO_FTYPE_RRIP, ISO_FTYPE_ECMA }; + +#ifndef ISOFSMNT_ROOT +#define ISOFSMNT_ROOT 0 +#endif + +struct iso_mnt { + int im_flags; + + struct mount *im_mountp; + dev_t im_dev; + struct vnode *im_devvp; + + int logical_block_size; + int im_bshift; + int im_bmask; + + int volume_space_size; + char im_fsmnt[50]; + struct netexport im_export; + + char root[ISODCL (157, 190)]; + int root_extent; + int root_size; + enum ISO_FTYPE iso_ftype; + + int rr_skip; + int rr_skip0; +}; + +#define VFSTOISOFS(mp) ((struct iso_mnt *)((mp)->mnt_data)) + +#define iso_blkoff(imp, loc) ((loc) & (imp)->im_bmask) +#define iso_lblkno(imp, loc) ((loc) >> (imp)->im_bshift) +#define iso_blksize(imp, ip, lbn) ((imp)->logical_block_size) +#define iso_lblktosize(imp, blk) ((blk) << (imp)->im_bshift) + +int cd9660_mount __P((struct mount *, + char *, caddr_t, struct nameidata *, struct proc *)); +int cd9660_start __P((struct mount *, int, struct proc *)); +int cd9660_unmount __P((struct mount *, int, struct proc *)); +int cd9660_root __P((struct mount *, struct vnode **)); +int cd9660_quotactl __P((struct mount *, int, uid_t, caddr_t, struct proc *)); +int cd9660_statfs __P((struct mount *, struct statfs *, struct proc *)); +int cd9660_sync __P((struct mount *, int, struct ucred *, struct proc *)); +int cd9660_vget __P((struct mount *, ino_t, struct vnode **)); +int cd9660_fhtovp __P((struct mount *, struct fid *, struct mbuf *, + struct vnode **, int *, struct ucred **)); +int cd9660_vptofh __P((struct vnode *, struct fid *)); +int cd9660_init __P(()); + +struct iso_node; +int iso_blkatoff __P((struct iso_node *ip, long offset, struct buf **bpp)); +int iso_iget __P((struct iso_node *xp, ino_t ino, int relocated, + struct iso_node **ipp, struct iso_directory_record *isodir)); +int iso_iput __P((struct iso_node *ip)); +int iso_ilock __P((struct iso_node *ip)); +int iso_iunlock __P((struct iso_node *ip)); +int cd9660_mountroot __P((void)); + +extern int (**cd9660_vnodeop_p)(); + +extern inline int +isonum_711(p) + unsigned char *p; +{ + return *p; +} + +extern inline int +isonum_712(p) + char *p; +{ + return *p; +} + +extern inline int +isonum_721(p) + unsigned char *p; +{ + return *p|((char)p[1] << 8); +} + +extern inline int +isonum_722(p) + unsigned char *p; +{ + return ((char)*p << 8)|p[1]; +} + +extern inline int +isonum_723(p) + unsigned char *p; +{ + return isonum_721(p); +} + +extern inline int +isonum_731(p) + unsigned char *p; +{ + return *p|(p[1] << 8)|(p[2] << 16)|(p[3] << 24); +} + +extern inline int +isonum_732(p) + unsigned char *p; +{ + return (*p << 24)|(p[1] << 16)|(p[2] << 8)|p[3]; +} + +extern inline int +isonum_733(p) + unsigned char *p; +{ + return isonum_731(p); +} + +int isofncmp __P((unsigned char *, int, unsigned char *, int)); +void isofntrans __P((unsigned char *, int, unsigned char *, unsigned short *, + int, int)); + +/* + * Associated files have a leading '='. + */ +#define ASSOCCHAR '=' |