/*      $NetBSD: filecore_node.h,v 1.8 2022/03/27 17:10:55 christos Exp $       */

/*-
 * Copyright (c) 1994 The Regents of the University of California.
 * All rights reserved.
 *
 * 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.
 *
 *      filecore_node.h         1.1     1998/6/26
 */

/*-
 * Copyright (c) 1998 Andrew McMurry
 *
 * 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.
 *
 *      filecore_node.h         1.1     1998/6/26
 */

#if !defined(_KERNEL)
#error not supposed to be exposed to userland.
#endif

#include <miscfs/genfs/genfs_node.h>

/*
 * In a future format, directories may 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

struct filecore_node {
        struct  genfs_node i_gnode;
        LIST_ENTRY(filecore_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 */
        daddr_t i_block;        /* the disc address of the file */
        ino_t   i_parent;       /* the ino of the file's parent */

        struct  filecore_mnt *i_mnt;    /* filesystem associated with this inode */
        struct  lockf *i_lockf; /* head of byte-level lock list */
        int     i_diroff;       /* offset in dir, where we found last entry */

        struct  filecore_direntry i_dirent; /* directory entry */
};

#define i_size          i_dirent.len

/* flags */
#define IN_ACCESS       0x0020          /* inode access time to be updated */

#define VTOI(vp) ((struct filecore_node *)(vp)->v_data)
#define ITOV(ip) ((ip)->i_vnode)

#define filecore_staleinode(ip) ((ip)->i_dirent.name[0]==0)

/*
 * Prototypes for Filecore vnode operations
 */
int     filecore_lookup(void *);
int     filecore_access(void *);
int     filecore_getattr(void *);
int     filecore_read(void *);
int     filecore_readdir(void *);
int     filecore_readlink(void *);
int     filecore_inactive(void *);
int     filecore_reclaim(void *);
int     filecore_bmap(void *);
int     filecore_strategy(void *);
int     filecore_print(void *);
int     filecore_pathconf(void *);
int     filecore_blkatoff(void *);

mode_t  filecore_mode(struct filecore_node *);
struct timespec filecore_time(struct filecore_node *);
ino_t   filecore_getparent(struct filecore_node *);
int     filecore_fn2unix(char *, char *, u_int16_t *);
int     filecore_fncmp(const char *, const char *, u_short);
int     filecore_dbread(struct filecore_node *, struct buf **);