diff options
author | Theo de Raadt <deraadt@cvs.openbsd.org> | 1995-10-18 08:53:40 +0000 |
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committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 1995-10-18 08:53:40 +0000 |
commit | d6583bb2a13f329cf0332ef2570eb8bb8fc0e39c (patch) | |
tree | ece253b876159b39c620e62b6c9b1174642e070e /sys/isofs/cd9660/iso.h |
initial import of NetBSD tree
Diffstat (limited to 'sys/isofs/cd9660/iso.h')
-rw-r--r-- | sys/isofs/cd9660/iso.h | 268 |
1 files changed, 268 insertions, 0 deletions
diff --git a/sys/isofs/cd9660/iso.h b/sys/isofs/cd9660/iso.h new file mode 100644 index 00000000000..526a0428846 --- /dev/null +++ b/sys/isofs/cd9660/iso.h @@ -0,0 +1,268 @@ +/* $NetBSD: iso.h,v 1.9 1995/01/18 09:23:19 mycroft Exp $ */ + +/*- + * 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 8.4 (Berkeley) 12/5/94 + */ + +#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 */ + u_char extent [ISODCL (3, 10)]; /* 733 */ + u_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 [1]; /* XXX */ +}; +/* 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 { + u_char owner [ISODCL (1, 4)]; /* 723 */ + u_char group [ISODCL (5, 8)]; /* 723 */ + u_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 */ + u_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)]; + u_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; + 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 blkoff(imp, loc) ((loc) & (imp)->im_bmask) +#define lblktosize(imp, blk) ((blk) << (imp)->im_bshift) +#define lblkno(imp, loc) ((loc) >> (imp)->im_bshift) +#define blksize(imp, ip, lbn) ((imp)->logical_block_size) + +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(()); + +int cd9660_mountroot __P((void)); + +extern int (**cd9660_vnodeop_p)(); +extern int (**cd9660_specop_p)(); +#ifdef FIFO +extern int (**cd9660_fifoop_p)(); +#endif + +static __inline int +isonum_711(p) + u_char *p; +{ + return *p; +} + +static __inline int +isonum_712(p) + char *p; +{ + return *p; +} + +#ifndef UNALIGNED_ACCESS + +static __inline int +isonum_723(p) + u_char *p; +{ + return *p|(p[1] << 8); +} + +static __inline int +isonum_733(p) + u_char *p; +{ + return *p|(p[1] << 8)|(p[2] << 16)|(p[3] << 24); +} + +#else /* UNALIGNED_ACCESS */ + +#if BYTE_ORDER == LITTLE_ENDIAN + +static __inline int +isonum_723(p) + u_char *p +{ + return *(u_int16t *)p; +} + +static __inline int +isonum_733(p) + u_char *p; +{ + return *(u_int32t *)p; +} + +#endif + +#if BYTE_ORDER == BIG_ENDIAN + +static __inline int +isonum_723(p) + u_char *p +{ + return *(u_int16t *)(p + 2); +} + +static __inline int +isonum_733(p) + u_char *p; +{ + return *(u_int32t *)(p + 4); +} + +#endif + +#endif /* UNALIGNED_ACCESS */ + +int isofncmp __P((u_char *, int, u_char *, int)); +void isofntrans __P((u_char *, int, u_char *, u_short *, int, int)); +ino_t isodirino __P((struct iso_directory_record *, struct iso_mnt *)); + +/* + * Associated files have a leading '='. + */ +#define ASSOCCHAR '=' |