NetBSD-5.0.2/sys/fs/cd9660/cd9660_node.h
/* $NetBSD: cd9660_node.h,v 1.14 2008/02/27 19:43:36 matt 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. 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.
*
* @(#)cd9660_node.h 8.6 (Berkeley) 5/14/95
*/
#ifndef _ISOFS_CD9660_CD9660_NODE_H_
#define _ISOFS_CD9660_CD9660_NODE_H_
#include <miscfs/genfs/genfs_node.h>
/*
* Theoretically, directories can be more than 2Gb in length,
* however, in practice this seems unlikely. So, we define
* the type doff_t as a long to keep down the cost of doing
* lookup on a 32-bit machine. If you are porting to a 64-bit
* architecture, you should make doff_t the same as off_t.
*/
#define doff_t long
typedef struct {
struct timespec iso_atime; /* time of last access */
struct timespec iso_mtime; /* time of last modification */
struct timespec iso_ctime; /* time file changed */
u_short iso_mode; /* files access mode and type */
uid_t iso_uid; /* owner user id */
gid_t iso_gid; /* owner group id */
short iso_links; /* links of file */
dev_t iso_rdev; /* Major/Minor number for special */
} ISO_RRIP_INODE;
struct iso_node {
struct genfs_node i_gnode;
LIST_ENTRY(iso_node) i_hash;
struct vnode *i_vnode; /* vnode associated with this inode */
struct vnode *i_devvp; /* vnode for block I/O */
u_long i_flag; /* see below */
dev_t i_dev; /* device where inode resides */
ino_t i_number; /* the identity of the inode */
/* we use the actual starting block of the file */
struct iso_mnt *i_mnt; /* filesystem associated with this inode */
struct lockf *i_lockf; /* head of byte-level lock list */
doff_t i_endoff; /* end of useful stuff in directory */
doff_t i_diroff; /* offset in dir, where we found last entry */
doff_t i_offset; /* offset of free space in directory */
ino_t i_ino; /* inode number of found directory */
unsigned long iso_extent; /* extent of file */
unsigned long i_size;
unsigned long iso_start; /* actual start of data of file (may be different */
/* from iso_extent, if file has extended attributes) */
ISO_RRIP_INODE inode;
};
#define i_forw i_chain[0]
#define i_back i_chain[1]
/* flags */
#define IN_ACCESS 0x0020 /* inode access time to be updated */
#define VTOI(vp) ((struct iso_node *)(vp)->v_data)
#define ITOV(ip) ((ip)->i_vnode)
#ifdef _KERNEL
/*
* Prototypes for ISOFS vnode operations
*/
int cd9660_lookup(void *);
#define cd9660_open genfs_nullop
#define cd9660_close genfs_nullop
int cd9660_access(void *);
int cd9660_getattr(void *);
int cd9660_read(void *);
#define cd9660_ioctl genfs_enoioctl
#define cd9660_poll genfs_poll
#define cd9660_mmap genfs_mmap
#define cd9660_seek genfs_seek
int cd9660_readdir(void *);
int cd9660_readlink(void *);
#define cd9660_abortop genfs_abortop
int cd9660_inactive(void *);
int cd9660_reclaim(void *);
int cd9660_link(void *);
int cd9660_symlink(void *);
int cd9660_bmap(void *);
int cd9660_lock(void *);
int cd9660_unlock(void *);
int cd9660_strategy(void *);
int cd9660_print(void *);
int cd9660_islocked(void *);
int cd9660_pathconf(void *);
int cd9660_setattr(void *);
int cd9660_blkatoff(struct vnode *, off_t, char **, struct buf **);
void cd9660_defattr(struct iso_directory_record *,
struct iso_node *, struct buf *);
void cd9660_deftstamp(struct iso_directory_record *,
struct iso_node *, struct buf *);
struct vnode *cd9660_ihashget(dev_t, ino_t, int);
void cd9660_ihashins(struct iso_node *);
void cd9660_ihashrem(struct iso_node *);
int cd9660_tstamp_conv7(const u_char *, struct timespec *);
int cd9660_tstamp_conv17(const u_char *, struct timespec *);
int cd9660_vget_internal(struct mount *, ino_t, struct vnode **, int,
struct iso_directory_record *);
extern kmutex_t cd9660_hashlock;
#endif /* _KERNEL */
#endif /* _ISOFS_CD9660_CD9660_NODE_H_ */