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Annotation of src/sys/fs/cd9660/cd9660_extern.h, Revision 1.22

1.22    ! pooka       1: /*     $NetBSD: cd9660_extern.h,v 1.21 2007/07/12 19:35:32 dsl Exp $   */
1.1       jdolecek    2:
                      3: /*-
                      4:  * Copyright (c) 1994
                      5:  *     The Regents of the University of California.  All rights reserved.
                      6:  *
                      7:  * This code is derived from software contributed to Berkeley
                      8:  * by Pace Willisson (pace@blitz.com).  The Rock Ridge Extension
                      9:  * Support code is derived from software contributed to Berkeley
                     10:  * by Atsushi Murai (amurai@spec.co.jp).
                     11:  *
                     12:  * Redistribution and use in source and binary forms, with or without
                     13:  * modification, are permitted provided that the following conditions
                     14:  * are met:
                     15:  * 1. Redistributions of source code must retain the above copyright
                     16:  *    notice, this list of conditions and the following disclaimer.
                     17:  * 2. Redistributions in binary form must reproduce the above copyright
                     18:  *    notice, this list of conditions and the following disclaimer in the
                     19:  *    documentation and/or other materials provided with the distribution.
1.6       agc        20:  * 3. Neither the name of the University nor the names of its contributors
1.1       jdolecek   21:  *    may be used to endorse or promote products derived from this software
                     22:  *    without specific prior written permission.
                     23:  *
                     24:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     25:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     26:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     27:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     28:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     29:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     30:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     31:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     32:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     33:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     34:  * SUCH DAMAGE.
                     35:  *
                     36:  *     @(#)iso.h       8.4 (Berkeley) 12/5/94
                     37:  */
                     38:
                     39: /*
                     40:  * Definitions used in the kernel for cd9660 file system support.
                     41:  */
1.17      christos   42: #ifndef _ISOFS_CD9660_CD9660_EXTERN_H_
                     43: #define _ISOFS_CD9660_CD9660_EXTERN_H_
1.1       jdolecek   44:
1.11      jdolecek   45: /*
                     46:  * Sysctl values for the cd9660 filesystem.
                     47:  */
                     48: #define CD9660_UTF8_JOLIET     1       /* UTF-8 encode Joliet file names */
                     49:
                     50: #define CD9660_NAMES { \
                     51:         { 0, 0 }, \
                     52:         { "utf8_joliet", CTLTYPE_INT }, \
                     53: }
                     54:
                     55:
1.1       jdolecek   56: /* CD-ROM Format type */
                     57: enum ISO_FTYPE  { ISO_FTYPE_DEFAULT, ISO_FTYPE_9660, ISO_FTYPE_RRIP, ISO_FTYPE_ECMA };
                     58:
                     59: #ifndef        ISOFSMNT_ROOT
                     60: #define        ISOFSMNT_ROOT   0
                     61: #endif
                     62:
                     63: struct iso_mnt {
                     64:        int im_flags;
                     65:        int im_joliet_level;
                     66:
                     67:        struct mount *im_mountp;
                     68:        dev_t im_dev;
                     69:        struct vnode *im_devvp;
                     70:
                     71:        int logical_block_size;
                     72:        int im_bshift;
                     73:        int im_bmask;
1.13      perry      74:
1.1       jdolecek   75:        int volume_space_size;
1.13      perry      76:
1.1       jdolecek   77:        char root[ISODCL (157, 190)];
                     78:        int root_extent;
                     79:        int root_size;
                     80:        enum ISO_FTYPE  iso_ftype;
1.13      perry      81:
1.1       jdolecek   82:        int rr_skip;
                     83:        int rr_skip0;
                     84: };
                     85:
                     86: #define VFSTOISOFS(mp) ((struct iso_mnt *)((mp)->mnt_data))
                     87:
                     88: #define blkoff(imp, loc)       ((loc) & (imp)->im_bmask)
                     89: #define lblktosize(imp, blk)   ((blk) << (imp)->im_bshift)
                     90: #define lblkno(imp, loc)       ((loc) >> (imp)->im_bshift)
                     91: #define blksize(imp, ip, lbn)  ((imp)->logical_block_size)
                     92:
1.17      christos   93: #ifdef _KERNEL
                     94:
1.22    ! pooka      95: VFS_PROTOS(cd9660);
        !            96:
1.17      christos   97: #include <sys/mallocvar.h>
                     98: MALLOC_DECLARE(M_ISOFSMNT);
                     99:
1.1       jdolecek  100: extern struct pool cd9660_node_pool;
1.11      jdolecek  101: extern int cd9660_utf8_joliet;
1.1       jdolecek  102:
1.10      atatat    103: #ifdef SYSCTL_SETUP_PROTO
                    104: SYSCTL_SETUP_PROTO(sysctl_vfs_cd9660_setup);
                    105: #endif /* SYSCTL_SETUP_PROTO */
                    106:
1.14      xtraeme   107: int cd9660_mountroot(void);
1.1       jdolecek  108:
1.14      xtraeme   109: extern int (**cd9660_vnodeop_p)(void *);
                    110: extern int (**cd9660_specop_p)(void *);
                    111: extern int (**cd9660_fifoop_p)(void *);
                    112:
                    113: int isochar(const u_char *, const u_char *, int, u_int16_t *);
                    114: int isofncmp(const u_char *, size_t, const u_char *, size_t, int);
                    115: void isofntrans(u_char *, int, u_char *, u_short *, int, int, int, int);
                    116: ino_t isodirino(struct iso_directory_record *, struct iso_mnt *);
1.17      christos  117: #endif /* _KERNEL */
                    118:
                    119: #endif /* _ISOFS_CD9660_CD9660_EXTERN_H_ */