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 1.2 2007/05/16 05:20:10 dillon Exp $ 35 */ 36 37 #define DKTYPENAMES 38 #include <sys/types.h> 39 #include <sys/fcntl.h> 40 #include <sys/disklabel.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 48 static int quietMode; 49 static int extendedMode; 50 51 static void dumppart(const char *path, struct partinfo *dpart); 52 static void usage(const char *av0); 53 54 int 55 main(int ac, char **av) 56 { 57 struct partinfo dpart; 58 int i; 59 int ch; 60 int fd; 61 62 while ((ch = getopt(ac, av, "qx")) != -1) { 63 switch(ch) { 64 case 'q': 65 quietMode = 1; 66 break; 67 case 'x': 68 extendedMode = 1; 69 break; 70 default: 71 usage(av[0]); 72 } 73 } 74 for (i = optind; i < ac; ++i) { 75 if ((fd = open(av[i], O_RDONLY)) < 0) { 76 if (errno != ENXIO || quietMode == 0) 77 printf("%-16s %s\n", av[i], strerror(errno)); 78 continue; 79 } 80 bzero(&dpart, sizeof(dpart)); 81 if (ioctl(fd, DIOCGPART, &dpart) < 0) { 82 printf("%-16s %s\n", av[i], strerror(errno)); 83 } else if (dpart.media_size == 0 && dpart.fstype == 0 && 84 dpart.fstypestr[0] == 0) { 85 if (quietMode == 0) 86 printf("%-16s unused\n", av[i]); 87 } else { 88 dumppart(av[i], &dpart); 89 } 90 close(fd); 91 } 92 return(0); 93 } 94 95 static 96 void 97 dumppart(const char *path, struct partinfo *dpart) 98 { 99 printf("%-16s ", path); 100 printf("blksize=%-4d off=%012llx size=%012llx ", 101 dpart->media_blksize, 102 dpart->media_offset, 103 dpart->media_size 104 ); 105 if (dpart->media_size >= 100LL*1024*1024*1024) { 106 printf("%7.2f GB", 107 (double)dpart->media_size / 108 (1024.0*1024.0*1024.0) 109 ); 110 } else if (dpart->media_size >= 1024*1024) { 111 printf("%7.2f MB", 112 (double)dpart->media_size / 113 (1024.0*1024.0) 114 ); 115 } else { 116 printf("%7.2f KB", 117 (double)dpart->media_size / 1024.0 118 ); 119 } 120 if (extendedMode) { 121 if (dpart->fstypestr[0]) { 122 printf(" fs=%s", dpart->fstypestr); 123 } else if (dpart->fstype) { 124 printf(" fs="); 125 if (dpart->fstype < 0 || 126 dpart->fstype >= (int)FSMAXTYPES) { 127 printf("%d", dpart->fstype); 128 } else { 129 printf("%s", fstypenames[dpart->fstype]); 130 } 131 } 132 if (dpart->skip_platform || dpart->skip_bsdlabel) { 133 /* 134 * note: rsvdlabel is inclusive of rsvdplat. i.e. 135 * they are not relative to each other. 136 */ 137 printf(" rsvdplat=%d rsvdlabel=%d", 138 dpart->skip_platform, dpart->skip_bsdlabel); 139 } 140 } 141 printf("\n"); 142 } 143 144 static 145 void 146 usage(const char *av0) 147 { 148 fprintf(stderr, "%s [-q] [devices....]\n", av0); 149 exit(1); 150 } 151 152