1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 28*0Sstevel@tonic-gate /* All Rights Reserved */ 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate 31*0Sstevel@tonic-gate /* 32*0Sstevel@tonic-gate * Two output fields under the -i option will always be 33*0Sstevel@tonic-gate * output as zero, since they are not supported by Sun: 34*0Sstevel@tonic-gate * Software version, and 35*0Sstevel@tonic-gate * Drive id number. 36*0Sstevel@tonic-gate * AT&T filled these 2 fields with data from their "pdsector", 37*0Sstevel@tonic-gate * which Sun doesn't support per se. 38*0Sstevel@tonic-gate */ 39*0Sstevel@tonic-gate 40*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 41*0Sstevel@tonic-gate 42*0Sstevel@tonic-gate #include <stdio.h> 43*0Sstevel@tonic-gate #include <fcntl.h> 44*0Sstevel@tonic-gate #include <stdlib.h> 45*0Sstevel@tonic-gate #include <unistd.h> 46*0Sstevel@tonic-gate #include <string.h> 47*0Sstevel@tonic-gate #include <sys/types.h> 48*0Sstevel@tonic-gate #include <sys/stat.h> 49*0Sstevel@tonic-gate #include <sys/dkio.h> 50*0Sstevel@tonic-gate #include <sys/efi_partition.h> 51*0Sstevel@tonic-gate #include <sys/vtoc.h> 52*0Sstevel@tonic-gate #include <sys/mkdev.h> 53*0Sstevel@tonic-gate #include <errno.h> 54*0Sstevel@tonic-gate 55*0Sstevel@tonic-gate #define DRERR 2 56*0Sstevel@tonic-gate #define OPENERR 2 57*0Sstevel@tonic-gate 58*0Sstevel@tonic-gate /* 59*0Sstevel@tonic-gate * Standard I/O file descriptors. 60*0Sstevel@tonic-gate */ 61*0Sstevel@tonic-gate #define STDOUT 1 /* Standard output */ 62*0Sstevel@tonic-gate #define STDERR 2 /* Standard error */ 63*0Sstevel@tonic-gate 64*0Sstevel@tonic-gate static void partinfo(int fd, char *device); 65*0Sstevel@tonic-gate static void devinfo(struct dk_geom *geom, int fd, char *device); 66*0Sstevel@tonic-gate static int readvtoc(int fd, char *name, struct vtoc *vtoc); 67*0Sstevel@tonic-gate static int warn(char *what, char *why); 68*0Sstevel@tonic-gate static void usage(void); 69*0Sstevel@tonic-gate 70*0Sstevel@tonic-gate main(int argc, char **argv) 71*0Sstevel@tonic-gate { 72*0Sstevel@tonic-gate struct dk_geom geom; 73*0Sstevel@tonic-gate int errflg, iflg, pflg, fd, c; 74*0Sstevel@tonic-gate char *device; 75*0Sstevel@tonic-gate 76*0Sstevel@tonic-gate iflg = 0; 77*0Sstevel@tonic-gate pflg = 0; 78*0Sstevel@tonic-gate errflg = 0; 79*0Sstevel@tonic-gate while ((c = getopt(argc, argv, "i:p:")) != EOF) { 80*0Sstevel@tonic-gate switch (c) { 81*0Sstevel@tonic-gate case 'i': 82*0Sstevel@tonic-gate iflg++; 83*0Sstevel@tonic-gate device = optarg; 84*0Sstevel@tonic-gate break; 85*0Sstevel@tonic-gate case 'p': 86*0Sstevel@tonic-gate pflg++; 87*0Sstevel@tonic-gate device = optarg; 88*0Sstevel@tonic-gate break; 89*0Sstevel@tonic-gate case '?': 90*0Sstevel@tonic-gate errflg++; 91*0Sstevel@tonic-gate break; 92*0Sstevel@tonic-gate default: 93*0Sstevel@tonic-gate errflg++; 94*0Sstevel@tonic-gate break; 95*0Sstevel@tonic-gate } 96*0Sstevel@tonic-gate if (errflg) 97*0Sstevel@tonic-gate usage(); 98*0Sstevel@tonic-gate } 99*0Sstevel@tonic-gate if ((optind > argc) || (optind == 1) || (pflg && iflg)) 100*0Sstevel@tonic-gate usage(); 101*0Sstevel@tonic-gate 102*0Sstevel@tonic-gate if ((fd = open(device, O_RDONLY)) < 0) { 103*0Sstevel@tonic-gate (void) fprintf(stderr, "devinfo: %s: %s\n", 104*0Sstevel@tonic-gate device, strerror(errno)); 105*0Sstevel@tonic-gate exit(OPENERR); 106*0Sstevel@tonic-gate } 107*0Sstevel@tonic-gate 108*0Sstevel@tonic-gate if (iflg) { 109*0Sstevel@tonic-gate if (ioctl(fd, DKIOCGGEOM, &geom) == -1) { 110*0Sstevel@tonic-gate if (errno == ENOTSUP) { 111*0Sstevel@tonic-gate (void) warn(device, 112*0Sstevel@tonic-gate "This operation is not supported on EFI labeled devices"); 113*0Sstevel@tonic-gate } else { 114*0Sstevel@tonic-gate (void) warn(device, 115*0Sstevel@tonic-gate "Unable to read Disk geometry"); 116*0Sstevel@tonic-gate } 117*0Sstevel@tonic-gate (void) close(fd); 118*0Sstevel@tonic-gate exit(DRERR); 119*0Sstevel@tonic-gate } 120*0Sstevel@tonic-gate devinfo(&geom, fd, device); 121*0Sstevel@tonic-gate } 122*0Sstevel@tonic-gate if (pflg) 123*0Sstevel@tonic-gate partinfo(fd, device); 124*0Sstevel@tonic-gate (void) close(fd); 125*0Sstevel@tonic-gate return (0); 126*0Sstevel@tonic-gate } 127*0Sstevel@tonic-gate 128*0Sstevel@tonic-gate static void 129*0Sstevel@tonic-gate partinfo(int fd, char *device) 130*0Sstevel@tonic-gate { 131*0Sstevel@tonic-gate int i; 132*0Sstevel@tonic-gate int slice; 133*0Sstevel@tonic-gate major_t maj; 134*0Sstevel@tonic-gate minor_t min; 135*0Sstevel@tonic-gate struct stat64 statbuf; 136*0Sstevel@tonic-gate struct vtoc vtdata; 137*0Sstevel@tonic-gate struct dk_gpt *efi; 138*0Sstevel@tonic-gate 139*0Sstevel@tonic-gate i = stat64(device, &statbuf); 140*0Sstevel@tonic-gate if (i < 0) 141*0Sstevel@tonic-gate exit(DRERR); 142*0Sstevel@tonic-gate maj = major(statbuf.st_rdev); 143*0Sstevel@tonic-gate min = minor(statbuf.st_rdev); 144*0Sstevel@tonic-gate 145*0Sstevel@tonic-gate if ((slice = readvtoc(fd, device, &vtdata)) >= 0) { 146*0Sstevel@tonic-gate 147*0Sstevel@tonic-gate (void) printf("%s\t%0lx %0lx\t%ld\t%ld\t%x\t%x\n", 148*0Sstevel@tonic-gate device, maj, min, 149*0Sstevel@tonic-gate vtdata.v_part[slice].p_start, 150*0Sstevel@tonic-gate vtdata.v_part[slice].p_size, 151*0Sstevel@tonic-gate vtdata.v_part[slice].p_flag, 152*0Sstevel@tonic-gate vtdata.v_part[slice].p_tag); 153*0Sstevel@tonic-gate } else if ((slice == VT_ENOTSUP) && 154*0Sstevel@tonic-gate (slice = efi_alloc_and_read(fd, &efi)) >= 0) { 155*0Sstevel@tonic-gate (void) printf("%s\t%lx %lx\t%lld\t%lld\t%hx\t%hx\n", 156*0Sstevel@tonic-gate device, maj, min, 157*0Sstevel@tonic-gate efi->efi_parts[slice].p_start, 158*0Sstevel@tonic-gate efi->efi_parts[slice].p_size, 159*0Sstevel@tonic-gate efi->efi_parts[slice].p_flag, 160*0Sstevel@tonic-gate efi->efi_parts[slice].p_tag); 161*0Sstevel@tonic-gate } else { 162*0Sstevel@tonic-gate exit(DRERR); 163*0Sstevel@tonic-gate } 164*0Sstevel@tonic-gate } 165*0Sstevel@tonic-gate 166*0Sstevel@tonic-gate static void 167*0Sstevel@tonic-gate devinfo(struct dk_geom *geom, int fd, char *device) 168*0Sstevel@tonic-gate { 169*0Sstevel@tonic-gate int i; 170*0Sstevel@tonic-gate unsigned int nopartitions, sectorcyl, bytes; 171*0Sstevel@tonic-gate struct vtoc vtdata; 172*0Sstevel@tonic-gate /* 173*0Sstevel@tonic-gate * unsigned int version = 0; 174*0Sstevel@tonic-gate * unsigned int driveid = 0; 175*0Sstevel@tonic-gate */ 176*0Sstevel@tonic-gate 177*0Sstevel@tonic-gate nopartitions = 0; 178*0Sstevel@tonic-gate sectorcyl = 0; 179*0Sstevel@tonic-gate bytes = 0; 180*0Sstevel@tonic-gate 181*0Sstevel@tonic-gate if (readvtoc(fd, device, &vtdata) < 0) 182*0Sstevel@tonic-gate exit(DRERR); 183*0Sstevel@tonic-gate sectorcyl = geom->dkg_nhead * geom->dkg_nsect; 184*0Sstevel@tonic-gate bytes = vtdata.v_sectorsz; 185*0Sstevel@tonic-gate /* 186*0Sstevel@tonic-gate * these are not supported by Sun. 187*0Sstevel@tonic-gate * 188*0Sstevel@tonic-gate * driveid = osect0->newsect0.pdinfo.driveid; 189*0Sstevel@tonic-gate * version = osect0->newsect0.pdinfo.version; 190*0Sstevel@tonic-gate */ 191*0Sstevel@tonic-gate for (i = 0; i < V_NUMPAR; i++) { 192*0Sstevel@tonic-gate if (vtdata.v_part[i].p_size != 0x00) 193*0Sstevel@tonic-gate nopartitions++; 194*0Sstevel@tonic-gate } 195*0Sstevel@tonic-gate /* 196*0Sstevel@tonic-gate * (void) printf("%s %0x %0x %d %d %d\n", 197*0Sstevel@tonic-gate * device, version, driveid, sectorcyl, bytes, nopartitions); 198*0Sstevel@tonic-gate */ 199*0Sstevel@tonic-gate (void) printf("%s %0x %0x %d %d %d\n", 200*0Sstevel@tonic-gate device, 0, 0, sectorcyl, bytes, nopartitions); 201*0Sstevel@tonic-gate } 202*0Sstevel@tonic-gate 203*0Sstevel@tonic-gate 204*0Sstevel@tonic-gate /* 205*0Sstevel@tonic-gate * readvtoc() 206*0Sstevel@tonic-gate * 207*0Sstevel@tonic-gate * Read a partition map. 208*0Sstevel@tonic-gate */ 209*0Sstevel@tonic-gate static int 210*0Sstevel@tonic-gate readvtoc(int fd, char *name, struct vtoc *vtoc) 211*0Sstevel@tonic-gate { 212*0Sstevel@tonic-gate int retval; 213*0Sstevel@tonic-gate 214*0Sstevel@tonic-gate retval = read_vtoc(fd, vtoc); 215*0Sstevel@tonic-gate 216*0Sstevel@tonic-gate switch (retval) { 217*0Sstevel@tonic-gate case (VT_ERROR): 218*0Sstevel@tonic-gate return (warn(name, strerror(errno))); 219*0Sstevel@tonic-gate case (VT_EIO): 220*0Sstevel@tonic-gate return (warn(name, "I/O error accessing VTOC")); 221*0Sstevel@tonic-gate case (VT_EINVAL): 222*0Sstevel@tonic-gate return (warn(name, "Invalid field in VTOC")); 223*0Sstevel@tonic-gate } 224*0Sstevel@tonic-gate 225*0Sstevel@tonic-gate return (retval); 226*0Sstevel@tonic-gate } 227*0Sstevel@tonic-gate 228*0Sstevel@tonic-gate 229*0Sstevel@tonic-gate /* 230*0Sstevel@tonic-gate * warn() 231*0Sstevel@tonic-gate * 232*0Sstevel@tonic-gate * Print an error message. Always returns -1. 233*0Sstevel@tonic-gate */ 234*0Sstevel@tonic-gate static int 235*0Sstevel@tonic-gate warn(char *what, char *why) 236*0Sstevel@tonic-gate { 237*0Sstevel@tonic-gate static char myname[] = "devinfo"; 238*0Sstevel@tonic-gate static char between[] = ": "; 239*0Sstevel@tonic-gate static char after[] = "\n"; 240*0Sstevel@tonic-gate 241*0Sstevel@tonic-gate (void) write(STDERR, myname, (uint_t)strlen(myname)); 242*0Sstevel@tonic-gate (void) write(STDERR, between, (uint_t)strlen(between)); 243*0Sstevel@tonic-gate (void) write(STDERR, what, (uint_t)strlen(what)); 244*0Sstevel@tonic-gate (void) write(STDERR, between, (uint_t)strlen(between)); 245*0Sstevel@tonic-gate (void) write(STDERR, why, (uint_t)strlen(why)); 246*0Sstevel@tonic-gate (void) write(STDERR, after, (uint_t)strlen(after)); 247*0Sstevel@tonic-gate return (-1); 248*0Sstevel@tonic-gate } 249*0Sstevel@tonic-gate 250*0Sstevel@tonic-gate static void 251*0Sstevel@tonic-gate usage(void) 252*0Sstevel@tonic-gate { 253*0Sstevel@tonic-gate (void) fprintf(stderr, "Usage: devinfo -p device\n" 254*0Sstevel@tonic-gate " devinfo -i device \n"); 255*0Sstevel@tonic-gate exit(2); 256*0Sstevel@tonic-gate } 257