1 /* 2 * Copyright (c) 2007 The DragonFly Project. All rights reserved. 3 * 4 * This code is derived from software contributed to The DragonFly Project 5 * by Matthew Dillon <dillon@backplane.com> 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 * $DragonFly: src/sbin/diskinfo/diskinfo.c,v 1.7 2008/05/19 10:19:49 corecode Exp $ 35 */ 36 37 #define DKTYPENAMES 38 #include <sys/param.h> 39 #include <sys/fcntl.h> 40 #include <sys/dtype.h> 41 #include <sys/diskslice.h> 42 #include <stdio.h> 43 #include <stdlib.h> 44 #include <unistd.h> 45 #include <errno.h> 46 #include <string.h> 47 #include <uuid.h> 48 49 static int quietMode; 50 static int extendedMode; 51 52 static void dumppart(const char *path, struct partinfo *dpart); 53 static void usage(const char *av0); 54 55 int 56 main(int ac, char **av) 57 { 58 struct partinfo dpart; 59 int i; 60 int ch; 61 int fd; 62 63 while ((ch = getopt(ac, av, "qx")) != -1) { 64 switch(ch) { 65 case 'q': 66 quietMode = 1; 67 break; 68 case 'x': 69 extendedMode = 1; 70 break; 71 default: 72 usage(av[0]); 73 } 74 } 75 for (i = optind; i < ac; ++i) { 76 if ((fd = open(av[i], O_RDONLY)) < 0) { 77 if (errno != ENXIO || quietMode == 0) 78 printf("%-16s %s\n", av[i], strerror(errno)); 79 continue; 80 } 81 bzero(&dpart, sizeof(dpart)); 82 if (ioctl(fd, DIOCGPART, &dpart) < 0) { 83 printf("%-16s %s\n", av[i], strerror(errno)); 84 } else if (dpart.media_size == 0 && dpart.fstype == 0 && 85 uuid_is_nil(&dpart.fstype_uuid, NULL)) { 86 if (quietMode == 0) 87 printf("%-16s unused\n", av[i]); 88 } else { 89 dumppart(av[i], &dpart); 90 } 91 close(fd); 92 } 93 return(0); 94 } 95 96 static 97 void 98 dumppart(const char *path, struct partinfo *dpart) 99 { 100 printf("%-16s ", path); 101 printf("blksize=%-4d off=%012jx size=%012jx ", 102 dpart->media_blksize, 103 (intmax_t)dpart->media_offset, 104 (intmax_t)dpart->media_size 105 ); 106 if (dpart->media_size >= 100LL*1024*1024*1024) { 107 printf("%7.2f GB", 108 (double)dpart->media_size / 109 (1024.0*1024.0*1024.0) 110 ); 111 } else if (dpart->media_size >= 1024*1024) { 112 printf("%7.2f MB", 113 (double)dpart->media_size / 114 (1024.0*1024.0) 115 ); 116 } else { 117 printf("%7.2f KB", 118 (double)dpart->media_size / 1024.0 119 ); 120 } 121 if (extendedMode) { 122 if (!uuid_is_nil(&dpart->fstype_uuid, NULL)) { 123 char *str; 124 uuid_addr_lookup(&dpart->fstype_uuid, &str, NULL); 125 if (str == NULL) 126 uuid_to_string(&dpart->fstype_uuid, &str, NULL); 127 printf(" fstype='%s'", str ? str : "<illegal>"); 128 } 129 if (dpart->fstype) { 130 printf(" ofstype="); 131 if (dpart->fstype < 0 || 132 dpart->fstype >= (int)FSMAXTYPES) { 133 printf("%d", dpart->fstype); 134 } else { 135 printf("%s", fstypenames[dpart->fstype]); 136 } 137 } 138 if (!uuid_is_nil(&dpart->storage_uuid, NULL)) { 139 char *str = NULL; 140 uuid_to_string(&dpart->storage_uuid, &str, NULL); 141 printf(" storage_uuid='%s'", str ? str : "<illegal>"); 142 } 143 if (dpart->reserved_blocks) { 144 /* 145 * note: rsvdlabel is inclusive of rsvdplat. i.e. 146 * they are not relative to each other. 147 */ 148 printf(" reserved=%jd", 149 (intmax_t)dpart->reserved_blocks); 150 } 151 } 152 printf("\n"); 153 } 154 155 static 156 void 157 usage(const char *av0) 158 { 159 fprintf(stderr, "%s [-qx] device ...\n", av0); 160 exit(1); 161 } 162 163