/*      $NetBSD: ffs.h,v 1.2 2004/12/20 20:51:42 jmc Exp $      */

/*-
 * SPDX-License-Identifier: BSD-4-Clause
 *
 * Copyright (c) 2001-2003 Wasabi Systems, Inc.
 * All rights reserved.
 *
 * Written by Luke Mewburn for Wasabi Systems, Inc.
 *
 * 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 for the NetBSD Project by
 *      Wasabi Systems, Inc.
 * 4. The name of Wasabi Systems, Inc. may not be used to endorse
 *    or promote products derived from this software without specific prior
 *    written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC
 * 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.
 *
 * $FreeBSD: head/usr.sbin/makefs/ffs.h 326276 2017-11-27 15:37:16Z pfg $
 */

#ifndef _FFS_H
#define _FFS_H

#include <vfs/ufs/dinode.h>
#include <vfs/ufs/fs.h>
#include <stdbool.h>

typedef struct {
        char    label[MAXVOLLEN];       /* volume name/label */
        int     bsize;          /* block size */
        int     fsize;          /* fragment size */
        int     cpg;            /* cylinders per group */
        int     cpgflg;         /* cpg was specified by user */
        int     density;        /* bytes per inode */
        bool    min_inodes;     /* allocate minimum number of inodes */
        int     ntracks;        /* number of tracks */
        int     nsectors;       /* number of sectors */
        int     rpm;            /* rpm */
        int     minfree;        /* free space threshold */
        int     optimization;   /* optimization (space or time) */
        int     maxcontig;      /* max contiguous blocks to allocate */
        int     rotdelay;       /* rotational delay between blocks */
        int     maxbpg;         /* maximum blocks per file in a cyl group */
        int     nrpos;          /* # of distinguished rotational positions */
        int     avgfilesize;    /* expected average file size */
        int     avgfpdir;       /* expected # of files per directory */
        int     version;        /* filesystem version (1 = FFS, 2 = UFS2) */
#ifndef __DragonFly__
        int     maxbsize;       /* maximum extent size */
#endif
        int     maxblkspercg;   /* max # of blocks per cylinder group */
        int     softupdates;    /* soft updates */
                /* XXX: support `old' file systems ? */
} ffs_opt_t;

#ifdef __DragonFly__
#define SBLOCK_UFS1             8192
#define SBLOCKSIZE              SBSIZE
#define FS_UFS1_MAGIC           FS_MAGIC

#define csum_total              csum
#define ufs1_daddr_t            ufs_daddr_t

#define fs_old_cgmask           fs_cgmask
#define fs_old_cgoffset         fs_cgoffset
#define fs_old_cpc              fs_cpc
#define fs_old_cpg              fs_cpg
#define fs_old_flags            fs_flags
#define fs_old_inodefmt         fs_inodefmt
#define fs_old_interleave       fs_interleave
#define fs_old_ncyl             fs_ncyl
#define fs_old_npsect           fs_npsect
#define fs_old_nrpos            fs_nrpos
#define fs_old_nsect            fs_nsect
#define fs_old_nspf             fs_nspf
#define fs_old_postblformat     fs_postblformat
#define fs_old_postbloff        fs_postbloff
#define fs_old_rotbloff         fs_rotbloff
#define fs_old_rotdelay         fs_rotdelay
#define fs_old_rps              fs_rps
#define fs_old_spc              fs_spc
#define fs_old_trackskew        fs_trackskew

#define cg_old_boff             cg_boff
#define cg_old_btotoff          cg_btotoff
#define cg_old_ncyl             cg_ncyl
#define cg_old_niblk            cg_niblk
#define cg_old_time             cg_time

typedef __int64_t       makefs_daddr_t; /* XXX swildner: ours is 32 bits?! */

/*
 * The size of a cylinder group is calculated by CGSIZE. The maximum size
 * is limited by the fact that cylinder groups are at most one block.
 * Its size is derived from the size of the maps maintained in the
 * cylinder group and the (struct cg) size.
 */

/*
 * XXX swildner: go with FreeBSD's CGSIZE macro until I've figured out
 *               what's wrong with ours
 */
#define FBSD_CGSIZE(fs) \
    /* base cg */       (sizeof(struct cg) + sizeof(int32_t) + \
    /* old btotoff */   (fs)->fs_cpg * sizeof(int32_t) + \
    /* old boff */      (fs)->fs_cpg * sizeof(u_int16_t) + \
    /* inode map */     howmany((fs)->fs_ipg, NBBY) + \
    /* block map */     howmany((fs)->fs_fpg, NBBY) +\
    /* if present */    ((fs)->fs_contigsumsize <= 0 ? 0 : \
    /* cluster sum */   (fs)->fs_contigsumsize * sizeof(int32_t) + \
    /* cluster map */   howmany(fragstoblks(fs, (fs)->fs_fpg), NBBY)))
#endif

#endif /* _FFS_H */