1 /* $NetBSD: ffs.h,v 1.2 2004/12/20 20:51:42 jmc Exp $ */ 2 3 /*- 4 * SPDX-License-Identifier: BSD-4-Clause 5 * 6 * Copyright (c) 2001-2003 Wasabi Systems, Inc. 7 * All rights reserved. 8 * 9 * Written by Luke Mewburn for Wasabi Systems, Inc. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed for the NetBSD Project by 22 * Wasabi Systems, Inc. 23 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 24 * or promote products derived from this software without specific prior 25 * written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 * 39 * $FreeBSD: head/usr.sbin/makefs/ffs.h 326276 2017-11-27 15:37:16Z pfg $ 40 */ 41 42 #ifndef _FFS_H 43 #define _FFS_H 44 45 #include <vfs/ufs/dinode.h> 46 #include <vfs/ufs/fs.h> 47 #include <stdbool.h> 48 49 typedef struct { 50 char label[MAXVOLLEN]; /* volume name/label */ 51 int bsize; /* block size */ 52 int fsize; /* fragment size */ 53 int cpg; /* cylinders per group */ 54 int cpgflg; /* cpg was specified by user */ 55 int density; /* bytes per inode */ 56 bool min_inodes; /* allocate minimum number of inodes */ 57 int ntracks; /* number of tracks */ 58 int nsectors; /* number of sectors */ 59 int rpm; /* rpm */ 60 int minfree; /* free space threshold */ 61 int optimization; /* optimization (space or time) */ 62 int maxcontig; /* max contiguous blocks to allocate */ 63 int rotdelay; /* rotational delay between blocks */ 64 int maxbpg; /* maximum blocks per file in a cyl group */ 65 int nrpos; /* # of distinguished rotational positions */ 66 int avgfilesize; /* expected average file size */ 67 int avgfpdir; /* expected # of files per directory */ 68 int version; /* filesystem version (1 = FFS, 2 = UFS2) */ 69 #ifndef __DragonFly__ 70 int maxbsize; /* maximum extent size */ 71 #endif 72 int maxblkspercg; /* max # of blocks per cylinder group */ 73 int softupdates; /* soft updates */ 74 /* XXX: support `old' file systems ? */ 75 } ffs_opt_t; 76 77 #ifdef __DragonFly__ 78 #define SBLOCK_UFS1 8192 79 #define SBLOCKSIZE SBSIZE 80 #define FS_UFS1_MAGIC FS_MAGIC 81 82 #define csum_total csum 83 #define ufs1_daddr_t ufs_daddr_t 84 85 #define fs_old_cgmask fs_cgmask 86 #define fs_old_cgoffset fs_cgoffset 87 #define fs_old_cpc fs_cpc 88 #define fs_old_cpg fs_cpg 89 #define fs_old_flags fs_flags 90 #define fs_old_inodefmt fs_inodefmt 91 #define fs_old_interleave fs_interleave 92 #define fs_old_ncyl fs_ncyl 93 #define fs_old_npsect fs_npsect 94 #define fs_old_nrpos fs_nrpos 95 #define fs_old_nsect fs_nsect 96 #define fs_old_nspf fs_nspf 97 #define fs_old_postblformat fs_postblformat 98 #define fs_old_postbloff fs_postbloff 99 #define fs_old_rotbloff fs_rotbloff 100 #define fs_old_rotdelay fs_rotdelay 101 #define fs_old_rps fs_rps 102 #define fs_old_spc fs_spc 103 #define fs_old_trackskew fs_trackskew 104 105 #define cg_old_boff cg_boff 106 #define cg_old_btotoff cg_btotoff 107 #define cg_old_ncyl cg_ncyl 108 #define cg_old_niblk cg_niblk 109 #define cg_old_time cg_time 110 111 typedef __int64_t makefs_daddr_t; /* XXX swildner: ours is 32 bits?! */ 112 113 /* 114 * The size of a cylinder group is calculated by CGSIZE. The maximum size 115 * is limited by the fact that cylinder groups are at most one block. 116 * Its size is derived from the size of the maps maintained in the 117 * cylinder group and the (struct cg) size. 118 */ 119 120 /* 121 * XXX swildner: go with FreeBSD's CGSIZE macro until I've figured out 122 * what's wrong with ours 123 */ 124 #define FBSD_CGSIZE(fs) \ 125 /* base cg */ (sizeof(struct cg) + sizeof(int32_t) + \ 126 /* old btotoff */ (fs)->fs_cpg * sizeof(int32_t) + \ 127 /* old boff */ (fs)->fs_cpg * sizeof(u_int16_t) + \ 128 /* inode map */ howmany((fs)->fs_ipg, NBBY) + \ 129 /* block map */ howmany((fs)->fs_fpg, NBBY) +\ 130 /* if present */ ((fs)->fs_contigsumsize <= 0 ? 0 : \ 131 /* cluster sum */ (fs)->fs_contigsumsize * sizeof(int32_t) + \ 132 /* cluster map */ howmany(fragstoblks(fs, (fs)->fs_fpg), NBBY))) 133 #endif 134 135 #endif /* _FFS_H */ 136