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Annotation of sys/isofs/cd9660/cd9660_extern.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: cd9660_extern.h,v 1.8 2003/06/02 23:28:05 millert Exp $       */
                      2: /*     $NetBSD: cd9660_extern.h,v 1.1 1997/01/24 00:24:53 cgd Exp $    */
                      3:
                      4: /*-
                      5:  * Copyright (c) 1994
                      6:  *     The Regents of the University of California.  All rights reserved.
                      7:  *
                      8:  * This code is derived from software contributed to Berkeley
                      9:  * by Pace Willisson (pace@blitz.com).  The Rock Ridge Extension
                     10:  * Support code is derived from software contributed to Berkeley
                     11:  * by Atsushi Murai (amurai@spec.co.jp).
                     12:  *
                     13:  * Redistribution and use in source and binary forms, with or without
                     14:  * modification, are permitted provided that the following conditions
                     15:  * are met:
                     16:  * 1. Redistributions of source code must retain the above copyright
                     17:  *    notice, this list of conditions and the following disclaimer.
                     18:  * 2. Redistributions in binary form must reproduce the above copyright
                     19:  *    notice, this list of conditions and the following disclaimer in the
                     20:  *    documentation and/or other materials provided with the distribution.
                     21:  * 3. Neither the name of the University nor the names of its contributors
                     22:  *    may be used to endorse or promote products derived from this software
                     23:  *    without specific prior written permission.
                     24:  *
                     25:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     26:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     27:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     28:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     29:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     30:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     31:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     32:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     33:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     34:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     35:  * SUCH DAMAGE.
                     36:  *
                     37:  *     @(#)iso.h       8.4 (Berkeley) 12/5/94
                     38:  */
                     39:
                     40: /*
                     41:  * Definitions used in the kernel for cd9660 file system support.
                     42:  */
                     43:
                     44: /* CD-ROM Format type */
                     45: enum ISO_FTYPE  { ISO_FTYPE_DEFAULT, ISO_FTYPE_9660, ISO_FTYPE_RRIP, ISO_FTYPE_ECMA };
                     46:
                     47: #ifndef        ISOFSMNT_ROOT
                     48: #define        ISOFSMNT_ROOT   0
                     49: #endif
                     50:
                     51: struct iso_mnt {
                     52:        int im_flags;
                     53:
                     54:        struct mount *im_mountp;
                     55:        dev_t im_dev;
                     56:        struct vnode *im_devvp;
                     57:
                     58:        int logical_block_size;
                     59:        int im_bshift;
                     60:        int im_bmask;
                     61:
                     62:        int volume_space_size;
                     63:        struct netexport im_export;
                     64:
                     65:        char root[ISODCL (157, 190)];
                     66:        int root_extent;
                     67:        int root_size;
                     68:        enum ISO_FTYPE  iso_ftype;
                     69:
                     70:        int rr_skip;
                     71:        int rr_skip0;
                     72:
                     73:        int joliet_level;
                     74: };
                     75:
                     76: #define VFSTOISOFS(mp) ((struct iso_mnt *)((mp)->mnt_data))
                     77:
                     78: #define blkoff(imp, loc)       ((loc) & (imp)->im_bmask)
                     79: #define lblktosize(imp, blk)   ((blk) << (imp)->im_bshift)
                     80: #define lblkno(imp, loc)       ((loc) >> (imp)->im_bshift)
                     81: #define blksize(imp, ip, lbn)  ((imp)->logical_block_size)
                     82:
                     83: int cd9660_mount(struct mount *, const char *, void *,
                     84:                       struct nameidata *, struct proc *);
                     85: int cd9660_start(struct mount *, int, struct proc *);
                     86: int cd9660_unmount(struct mount *, int, struct proc *);
                     87: int cd9660_root(struct mount *, struct vnode **);
                     88: int cd9660_quotactl(struct mount *, int, uid_t, caddr_t, struct proc *);
                     89: int cd9660_statfs(struct mount *, struct statfs *, struct proc *);
                     90: int cd9660_sync(struct mount *, int, struct ucred *, struct proc *);
                     91: int cd9660_vget(struct mount *, ino_t, struct vnode **);
                     92: int cd9660_fhtovp(struct mount *, struct fid *, struct vnode **);
                     93: int cd9660_vptofh(struct vnode *, struct fid *);
                     94: int cd9660_init(struct vfsconf *);
                     95: int cd9660_check_export(struct mount *, struct mbuf *, int *,
                     96:                              struct ucred **);
                     97: #define cd9660_sysctl ((int (*)(int *, u_int, void *, size_t *, void *, \
                     98:                                     size_t, struct proc *))eopnotsupp)
                     99:
                    100: int cd9660_mountroot(void);
                    101:
                    102: extern int (**cd9660_vnodeop_p)(void *);
                    103: extern int (**cd9660_specop_p)(void *);
                    104: #ifdef FIFO
                    105: extern int (**cd9660_fifoop_p)(void *);
                    106: #endif
                    107:
                    108: int isochar(const u_char *, const u_char *, int, u_char *);
                    109: int isofncmp(const u_char *, int, const u_char *, int, int);
                    110: void isofntrans(u_char *, int, u_char *, u_short *, int, int, int);
                    111: ino_t isodirino(struct iso_directory_record *, struct iso_mnt *);