1 /* 2 * Copyright (c) 2011-2015 The DragonFly Project. All rights reserved. 3 * 4 * This code is derived from software contributed to The DragonFly Project 5 * by Matthew Dillon <dillon@dragonflybsd.org> 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * 3. Neither the name of The DragonFly Project nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific, prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, 27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 #include <sys/types.h> 36 37 #include <stdio.h> 38 #include <stdlib.h> 39 #include <stddef.h> 40 #include <unistd.h> 41 #include <string.h> 42 #include <err.h> 43 44 #include "mkfs_hammer2.h" 45 46 static void parse_fs_size(hammer2_mkfs_options_t *, const char *); 47 static void usage(void); 48 49 int 50 main(int ac, char **av) 51 { 52 hammer2_mkfs_options_t opt; 53 int ch; 54 int label_specified = 0; 55 56 /* 57 * Initialize option structure. 58 */ 59 hammer2_mkfs_init(&opt); 60 61 /* 62 * Parse arguments. 63 */ 64 while ((ch = getopt(ac, av, "L:b:r:V:s:d")) != -1) { 65 switch(ch) { 66 case 'b': 67 opt.BootAreaSize = getsize(optarg, 68 HAMMER2_NEWFS_ALIGN, 69 HAMMER2_BOOT_MAX_BYTES, 2); 70 break; 71 case 'r': 72 opt.AuxAreaSize = getsize(optarg, 73 HAMMER2_NEWFS_ALIGN, 74 HAMMER2_AUX_MAX_BYTES, 2); 75 break; 76 case 'V': 77 opt.Hammer2Version = strtol(optarg, NULL, 0); 78 if (opt.Hammer2Version < HAMMER2_VOL_VERSION_MIN || 79 opt.Hammer2Version >= HAMMER2_VOL_VERSION_WIP) { 80 errx(1, "I don't understand how to format " 81 "HAMMER2 version %d", 82 opt.Hammer2Version); 83 } 84 break; 85 case 'L': 86 label_specified = 1; 87 if (strcasecmp(optarg, "none") == 0) { 88 break; 89 } 90 if (opt.NLabels >= MAXLABELS) { 91 errx(1, "Limit of %d local labels", 92 MAXLABELS - 1); 93 } 94 if (strlen(optarg) == 0) { 95 errx(1, "Volume label '%s' cannot be 0-length", 96 optarg); 97 } 98 if (strlen(optarg) >= HAMMER2_INODE_MAXNAME) { 99 errx(1, "Volume label '%s' is too long " 100 "(%d chars max)", 101 optarg, 102 HAMMER2_INODE_MAXNAME - 1); 103 } 104 opt.Label[opt.NLabels++] = strdup(optarg); 105 break; 106 case 's': 107 parse_fs_size(&opt, optarg); 108 break; 109 case 'd': 110 opt.DebugOpt = 1; 111 break; 112 default: 113 usage(); 114 break; 115 } 116 } 117 118 ac -= optind; 119 av += optind; 120 121 if (ac == 0) 122 errx(1, "You must specify at least one disk device"); 123 if (ac > HAMMER2_MAX_VOLUMES) 124 errx(1, "The maximum number of volumes is %d", 125 HAMMER2_MAX_VOLUMES); 126 127 /* 128 * Check default label type. 129 */ 130 if (!label_specified) { 131 char c = av[0][strlen(av[0]) - 1]; 132 if (c == 'a') 133 opt.DefaultLabelType = HAMMER2_LABEL_BOOT; 134 else if (c == 'd') 135 opt.DefaultLabelType = HAMMER2_LABEL_ROOT; 136 else 137 opt.DefaultLabelType = HAMMER2_LABEL_DATA; 138 } 139 140 /* 141 * Create Hammer2 filesystem. 142 */ 143 hammer2_mkfs(ac, av, &opt); 144 145 /* 146 * Cleanup option structure. 147 */ 148 hammer2_mkfs_cleanup(&opt); 149 150 return(0); 151 } 152 153 static 154 void 155 parse_fs_size(hammer2_mkfs_options_t *opt, const char *arg) 156 { 157 char *o, *p, *s; 158 159 opt->NFileSystemSizes = 0; 160 o = p = strdup(arg); 161 162 while ((s = p) != NULL) { 163 if ((p = strchr(p, ':')) != NULL) 164 *p++ = 0; 165 /* XXX 0x7fffffffffffffff isn't limitation of HAMMER2 */ 166 opt->FileSystemSize[opt->NFileSystemSizes++] = getsize(s, 167 HAMMER2_FREEMAP_LEVEL1_SIZE, 168 0x7fffffffffffffff, 2); 169 if (opt->NFileSystemSizes >= HAMMER2_MAX_VOLUMES) 170 break; 171 } 172 free(o); 173 } 174 175 static 176 void 177 usage(void) 178 { 179 fprintf(stderr, 180 "usage: newfs_hammer2 [-b bootsize] [-r auxsize] " 181 "[-V version] [-L label ...] [-s size] special ...\n" 182 ); 183 exit(1); 184 } 185