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