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 #pragma ident "%Z%%M% %I% %E% SMI" 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate #include <fcntl.h> 30*0Sstevel@tonic-gate #include <libdevinfo.h> 31*0Sstevel@tonic-gate #include <stdio.h> 32*0Sstevel@tonic-gate #include <stdlib.h> 33*0Sstevel@tonic-gate #include <string.h> 34*0Sstevel@tonic-gate #include <sys/sunddi.h> 35*0Sstevel@tonic-gate #include <sys/types.h> 36*0Sstevel@tonic-gate #include <sys/stat.h> 37*0Sstevel@tonic-gate #include <dirent.h> 38*0Sstevel@tonic-gate #include <unistd.h> 39*0Sstevel@tonic-gate #include <sys/dkio.h> 40*0Sstevel@tonic-gate 41*0Sstevel@tonic-gate #include "libdiskmgt.h" 42*0Sstevel@tonic-gate #include "disks_private.h" 43*0Sstevel@tonic-gate #include "partition.h" 44*0Sstevel@tonic-gate 45*0Sstevel@tonic-gate #ifdef sparc 46*0Sstevel@tonic-gate #define les(val) ((((val)&0xFF)<<8)|(((val)>>8)&0xFF)) 47*0Sstevel@tonic-gate #define lel(val) (((unsigned)(les((val)&0x0000FFFF))<<16) | \ 48*0Sstevel@tonic-gate (les((unsigned)((val)&0xffff0000)>>16))) 49*0Sstevel@tonic-gate #else 50*0Sstevel@tonic-gate #define les(val) (val) 51*0Sstevel@tonic-gate #define lel(val) (val) 52*0Sstevel@tonic-gate #endif 53*0Sstevel@tonic-gate 54*0Sstevel@tonic-gate #define ISIZE FD_NUMPART * sizeof (struct ipart) 55*0Sstevel@tonic-gate 56*0Sstevel@tonic-gate static int desc_ok(descriptor_t *dp); 57*0Sstevel@tonic-gate static int get_attrs(descriptor_t *dp, struct ipart *iparts, 58*0Sstevel@tonic-gate nvlist_t *attrs); 59*0Sstevel@tonic-gate static int get_parts(disk_t *disk, struct ipart *iparts, char *opath, 60*0Sstevel@tonic-gate int opath_len); 61*0Sstevel@tonic-gate static int open_disk(disk_t *diskp, char *opath, int len); 62*0Sstevel@tonic-gate static int has_slices(descriptor_t *desc, int *errp); 63*0Sstevel@tonic-gate 64*0Sstevel@tonic-gate descriptor_t ** 65*0Sstevel@tonic-gate partition_get_assoc_descriptors(descriptor_t *desc, dm_desc_type_t type, 66*0Sstevel@tonic-gate int *errp) 67*0Sstevel@tonic-gate { 68*0Sstevel@tonic-gate if (!desc_ok(desc)) { 69*0Sstevel@tonic-gate *errp = ENODEV; 70*0Sstevel@tonic-gate return (NULL); 71*0Sstevel@tonic-gate } 72*0Sstevel@tonic-gate 73*0Sstevel@tonic-gate switch (type) { 74*0Sstevel@tonic-gate case DM_MEDIA: 75*0Sstevel@tonic-gate return (media_get_assocs(desc, errp)); 76*0Sstevel@tonic-gate case DM_SLICE: 77*0Sstevel@tonic-gate if (!has_slices(desc, errp)) { 78*0Sstevel@tonic-gate if (*errp != 0) { 79*0Sstevel@tonic-gate return (NULL); 80*0Sstevel@tonic-gate } 81*0Sstevel@tonic-gate return (libdiskmgt_empty_desc_array(errp)); 82*0Sstevel@tonic-gate } 83*0Sstevel@tonic-gate return (slice_get_assocs(desc, errp)); 84*0Sstevel@tonic-gate } 85*0Sstevel@tonic-gate 86*0Sstevel@tonic-gate *errp = EINVAL; 87*0Sstevel@tonic-gate return (NULL); 88*0Sstevel@tonic-gate } 89*0Sstevel@tonic-gate 90*0Sstevel@tonic-gate /* 91*0Sstevel@tonic-gate * This is called by media/slice to get the associated partitions. 92*0Sstevel@tonic-gate * For a media desc. we just get all the partitions, but for a slice desc. 93*0Sstevel@tonic-gate * we just get the active solaris partition. 94*0Sstevel@tonic-gate */ 95*0Sstevel@tonic-gate descriptor_t ** 96*0Sstevel@tonic-gate partition_get_assocs(descriptor_t *desc, int *errp) 97*0Sstevel@tonic-gate { 98*0Sstevel@tonic-gate descriptor_t **partitions; 99*0Sstevel@tonic-gate int pos; 100*0Sstevel@tonic-gate int i; 101*0Sstevel@tonic-gate struct ipart iparts[FD_NUMPART]; 102*0Sstevel@tonic-gate char pname[MAXPATHLEN]; 103*0Sstevel@tonic-gate int conv_flag = 0; 104*0Sstevel@tonic-gate 105*0Sstevel@tonic-gate if (get_parts(desc->p.disk, iparts, pname, sizeof (pname)) != 0) { 106*0Sstevel@tonic-gate return (libdiskmgt_empty_desc_array(errp)); 107*0Sstevel@tonic-gate } 108*0Sstevel@tonic-gate 109*0Sstevel@tonic-gate /* allocate the array for the descriptors */ 110*0Sstevel@tonic-gate partitions = (descriptor_t **)calloc(FD_NUMPART + 1, 111*0Sstevel@tonic-gate sizeof (descriptor_t *)); 112*0Sstevel@tonic-gate if (partitions == NULL) { 113*0Sstevel@tonic-gate *errp = ENOMEM; 114*0Sstevel@tonic-gate return (NULL); 115*0Sstevel@tonic-gate } 116*0Sstevel@tonic-gate 117*0Sstevel@tonic-gate #ifdef i386 118*0Sstevel@tonic-gate { 119*0Sstevel@tonic-gate /* convert part. name (e.g. c0d0p0) */ 120*0Sstevel@tonic-gate int len; 121*0Sstevel@tonic-gate 122*0Sstevel@tonic-gate len = strlen(pname); 123*0Sstevel@tonic-gate if (len > 1 && *(pname + (len - 2)) == 'p') { 124*0Sstevel@tonic-gate conv_flag = 1; 125*0Sstevel@tonic-gate *(pname + (len - 1)) = 0; 126*0Sstevel@tonic-gate } 127*0Sstevel@tonic-gate } 128*0Sstevel@tonic-gate #endif 129*0Sstevel@tonic-gate 130*0Sstevel@tonic-gate /* 131*0Sstevel@tonic-gate * If this is a slice desc. we need the first active solaris partition 132*0Sstevel@tonic-gate * and if there isn't one then we need the first solaris partition. 133*0Sstevel@tonic-gate */ 134*0Sstevel@tonic-gate if (desc->type == DM_SLICE) { 135*0Sstevel@tonic-gate for (i = 0; i < FD_NUMPART; i++) { 136*0Sstevel@tonic-gate if (iparts[i].bootid == ACTIVE && 137*0Sstevel@tonic-gate (iparts[i].systid == SUNIXOS || 138*0Sstevel@tonic-gate iparts[i].systid == SUNIXOS2)) { 139*0Sstevel@tonic-gate break; 140*0Sstevel@tonic-gate } 141*0Sstevel@tonic-gate } 142*0Sstevel@tonic-gate 143*0Sstevel@tonic-gate /* no active solaris part., try to get the first solaris part. */ 144*0Sstevel@tonic-gate if (i >= FD_NUMPART) { 145*0Sstevel@tonic-gate for (i = 0; i < FD_NUMPART; i++) { 146*0Sstevel@tonic-gate if (iparts[i].systid == SUNIXOS || 147*0Sstevel@tonic-gate iparts[i].systid == SUNIXOS2) { 148*0Sstevel@tonic-gate break; 149*0Sstevel@tonic-gate } 150*0Sstevel@tonic-gate } 151*0Sstevel@tonic-gate } 152*0Sstevel@tonic-gate 153*0Sstevel@tonic-gate if (i < FD_NUMPART) { 154*0Sstevel@tonic-gate /* we found a solaris partition to use */ 155*0Sstevel@tonic-gate char part_name[MAXPATHLEN]; 156*0Sstevel@tonic-gate 157*0Sstevel@tonic-gate if (conv_flag) { 158*0Sstevel@tonic-gate /* convert part. name (e.g. c0d0p0) */ 159*0Sstevel@tonic-gate (void) snprintf(part_name, sizeof (part_name), "%s%d", 160*0Sstevel@tonic-gate pname, i); 161*0Sstevel@tonic-gate } else { 162*0Sstevel@tonic-gate (void) snprintf(part_name, sizeof (part_name), "%d", i); 163*0Sstevel@tonic-gate } 164*0Sstevel@tonic-gate 165*0Sstevel@tonic-gate /* the media name comes from the slice desc. */ 166*0Sstevel@tonic-gate partitions[0] = cache_get_desc(DM_PARTITION, desc->p.disk, 167*0Sstevel@tonic-gate part_name, desc->secondary_name, errp); 168*0Sstevel@tonic-gate if (*errp != 0) { 169*0Sstevel@tonic-gate cache_free_descriptors(partitions); 170*0Sstevel@tonic-gate return (NULL); 171*0Sstevel@tonic-gate } 172*0Sstevel@tonic-gate partitions[1] = NULL; 173*0Sstevel@tonic-gate 174*0Sstevel@tonic-gate return (partitions); 175*0Sstevel@tonic-gate 176*0Sstevel@tonic-gate } 177*0Sstevel@tonic-gate 178*0Sstevel@tonic-gate return (libdiskmgt_empty_desc_array(errp)); 179*0Sstevel@tonic-gate } 180*0Sstevel@tonic-gate 181*0Sstevel@tonic-gate /* Must be for media, so get all the parts. */ 182*0Sstevel@tonic-gate 183*0Sstevel@tonic-gate pos = 0; 184*0Sstevel@tonic-gate for (i = 0; i < FD_NUMPART; i++) { 185*0Sstevel@tonic-gate if (iparts[i].systid != 0) { 186*0Sstevel@tonic-gate char part_name[MAXPATHLEN]; 187*0Sstevel@tonic-gate 188*0Sstevel@tonic-gate if (conv_flag) { 189*0Sstevel@tonic-gate /* convert part. name (e.g. c0d0p0) */ 190*0Sstevel@tonic-gate (void) snprintf(part_name, sizeof (part_name), "%s%d", 191*0Sstevel@tonic-gate pname, i); 192*0Sstevel@tonic-gate } else { 193*0Sstevel@tonic-gate (void) snprintf(part_name, sizeof (part_name), "%d", i); 194*0Sstevel@tonic-gate } 195*0Sstevel@tonic-gate 196*0Sstevel@tonic-gate /* the media name comes from the media desc. */ 197*0Sstevel@tonic-gate partitions[pos] = cache_get_desc(DM_PARTITION, desc->p.disk, 198*0Sstevel@tonic-gate part_name, desc->name, errp); 199*0Sstevel@tonic-gate if (*errp != 0) { 200*0Sstevel@tonic-gate cache_free_descriptors(partitions); 201*0Sstevel@tonic-gate return (NULL); 202*0Sstevel@tonic-gate } 203*0Sstevel@tonic-gate 204*0Sstevel@tonic-gate pos++; 205*0Sstevel@tonic-gate } 206*0Sstevel@tonic-gate } 207*0Sstevel@tonic-gate partitions[pos] = NULL; 208*0Sstevel@tonic-gate 209*0Sstevel@tonic-gate *errp = 0; 210*0Sstevel@tonic-gate return (partitions); 211*0Sstevel@tonic-gate } 212*0Sstevel@tonic-gate 213*0Sstevel@tonic-gate nvlist_t * 214*0Sstevel@tonic-gate partition_get_attributes(descriptor_t *dp, int *errp) 215*0Sstevel@tonic-gate { 216*0Sstevel@tonic-gate nvlist_t *attrs = NULL; 217*0Sstevel@tonic-gate struct ipart iparts[FD_NUMPART]; 218*0Sstevel@tonic-gate 219*0Sstevel@tonic-gate if (!desc_ok(dp)) { 220*0Sstevel@tonic-gate *errp = ENODEV; 221*0Sstevel@tonic-gate return (NULL); 222*0Sstevel@tonic-gate } 223*0Sstevel@tonic-gate 224*0Sstevel@tonic-gate if ((*errp = get_parts(dp->p.disk, iparts, NULL, 0)) != 0) { 225*0Sstevel@tonic-gate return (NULL); 226*0Sstevel@tonic-gate } 227*0Sstevel@tonic-gate 228*0Sstevel@tonic-gate if (nvlist_alloc(&attrs, NVATTRS, 0) != 0) { 229*0Sstevel@tonic-gate *errp = ENOMEM; 230*0Sstevel@tonic-gate return (NULL); 231*0Sstevel@tonic-gate } 232*0Sstevel@tonic-gate 233*0Sstevel@tonic-gate if ((*errp = get_attrs(dp, iparts, attrs)) != 0) { 234*0Sstevel@tonic-gate nvlist_free(attrs); 235*0Sstevel@tonic-gate attrs = NULL; 236*0Sstevel@tonic-gate } 237*0Sstevel@tonic-gate 238*0Sstevel@tonic-gate return (attrs); 239*0Sstevel@tonic-gate } 240*0Sstevel@tonic-gate 241*0Sstevel@tonic-gate /* 242*0Sstevel@tonic-gate * Look for the partition by the partition number (which is not too useful). 243*0Sstevel@tonic-gate */ 244*0Sstevel@tonic-gate descriptor_t * 245*0Sstevel@tonic-gate partition_get_descriptor_by_name(char *name, int *errp) 246*0Sstevel@tonic-gate { 247*0Sstevel@tonic-gate descriptor_t **partitions; 248*0Sstevel@tonic-gate int i; 249*0Sstevel@tonic-gate descriptor_t *partition = NULL; 250*0Sstevel@tonic-gate 251*0Sstevel@tonic-gate partitions = cache_get_descriptors(DM_PARTITION, errp); 252*0Sstevel@tonic-gate if (*errp != 0) { 253*0Sstevel@tonic-gate return (NULL); 254*0Sstevel@tonic-gate } 255*0Sstevel@tonic-gate 256*0Sstevel@tonic-gate for (i = 0; partitions[i]; i++) { 257*0Sstevel@tonic-gate if (libdiskmgt_str_eq(name, partitions[i]->name)) { 258*0Sstevel@tonic-gate partition = partitions[i]; 259*0Sstevel@tonic-gate } else { 260*0Sstevel@tonic-gate /* clean up the unused descriptors */ 261*0Sstevel@tonic-gate cache_free_descriptor(partitions[i]); 262*0Sstevel@tonic-gate } 263*0Sstevel@tonic-gate } 264*0Sstevel@tonic-gate free(partitions); 265*0Sstevel@tonic-gate 266*0Sstevel@tonic-gate if (partition == NULL) { 267*0Sstevel@tonic-gate *errp = ENODEV; 268*0Sstevel@tonic-gate } 269*0Sstevel@tonic-gate 270*0Sstevel@tonic-gate return (partition); 271*0Sstevel@tonic-gate } 272*0Sstevel@tonic-gate 273*0Sstevel@tonic-gate /* ARGSUSED */ 274*0Sstevel@tonic-gate descriptor_t ** 275*0Sstevel@tonic-gate partition_get_descriptors(int filter[], int *errp) 276*0Sstevel@tonic-gate { 277*0Sstevel@tonic-gate return (cache_get_descriptors(DM_PARTITION, errp)); 278*0Sstevel@tonic-gate } 279*0Sstevel@tonic-gate 280*0Sstevel@tonic-gate char * 281*0Sstevel@tonic-gate partition_get_name(descriptor_t *desc) 282*0Sstevel@tonic-gate { 283*0Sstevel@tonic-gate return (desc->name); 284*0Sstevel@tonic-gate } 285*0Sstevel@tonic-gate 286*0Sstevel@tonic-gate /* ARGSUSED */ 287*0Sstevel@tonic-gate nvlist_t * 288*0Sstevel@tonic-gate partition_get_stats(descriptor_t *dp, int stat_type, int *errp) 289*0Sstevel@tonic-gate { 290*0Sstevel@tonic-gate /* There are no stat types defined for partitions */ 291*0Sstevel@tonic-gate *errp = EINVAL; 292*0Sstevel@tonic-gate return (NULL); 293*0Sstevel@tonic-gate } 294*0Sstevel@tonic-gate 295*0Sstevel@tonic-gate /* ARGSUSED */ 296*0Sstevel@tonic-gate int 297*0Sstevel@tonic-gate partition_has_fdisk(disk_t *dp, int fd) 298*0Sstevel@tonic-gate { 299*0Sstevel@tonic-gate char bootsect[512 * 3]; /* 3 sectors to be safe */ 300*0Sstevel@tonic-gate 301*0Sstevel@tonic-gate #ifdef sparc 302*0Sstevel@tonic-gate if (dp->drv_type == DM_DT_FIXED) { 303*0Sstevel@tonic-gate /* on sparc, only removable media can have fdisk parts. */ 304*0Sstevel@tonic-gate return (0); 305*0Sstevel@tonic-gate } 306*0Sstevel@tonic-gate #endif 307*0Sstevel@tonic-gate 308*0Sstevel@tonic-gate /* 309*0Sstevel@tonic-gate * We assume the caller already made sure media was inserted and 310*0Sstevel@tonic-gate * spun up. 311*0Sstevel@tonic-gate */ 312*0Sstevel@tonic-gate 313*0Sstevel@tonic-gate if ((ioctl(fd, DKIOCGMBOOT, bootsect) < 0) && (errno != ENOTTY)) { 314*0Sstevel@tonic-gate return (0); 315*0Sstevel@tonic-gate } 316*0Sstevel@tonic-gate 317*0Sstevel@tonic-gate return (1); 318*0Sstevel@tonic-gate } 319*0Sstevel@tonic-gate 320*0Sstevel@tonic-gate /* 321*0Sstevel@tonic-gate * A partition descriptor points to a disk, the name is the partition number 322*0Sstevel@tonic-gate * and the secondary name is the media name. 323*0Sstevel@tonic-gate */ 324*0Sstevel@tonic-gate int 325*0Sstevel@tonic-gate partition_make_descriptors() 326*0Sstevel@tonic-gate { 327*0Sstevel@tonic-gate int error; 328*0Sstevel@tonic-gate disk_t *dp; 329*0Sstevel@tonic-gate 330*0Sstevel@tonic-gate dp = cache_get_disklist(); 331*0Sstevel@tonic-gate while (dp != NULL) { 332*0Sstevel@tonic-gate struct ipart iparts[FD_NUMPART]; 333*0Sstevel@tonic-gate char pname[MAXPATHLEN]; 334*0Sstevel@tonic-gate 335*0Sstevel@tonic-gate if (get_parts(dp, iparts, pname, sizeof (pname)) == 0) { 336*0Sstevel@tonic-gate int i; 337*0Sstevel@tonic-gate char mname[MAXPATHLEN]; 338*0Sstevel@tonic-gate int conv_flag = 0; 339*0Sstevel@tonic-gate 340*0Sstevel@tonic-gate #ifdef i386 341*0Sstevel@tonic-gate /* convert part. name (e.g. c0d0p0) */ 342*0Sstevel@tonic-gate int len; 343*0Sstevel@tonic-gate 344*0Sstevel@tonic-gate len = strlen(pname); 345*0Sstevel@tonic-gate if (len > 1 && *(pname + (len - 2)) == 'p') { 346*0Sstevel@tonic-gate conv_flag = 1; 347*0Sstevel@tonic-gate *(pname + (len - 1)) = 0; 348*0Sstevel@tonic-gate } 349*0Sstevel@tonic-gate #endif 350*0Sstevel@tonic-gate 351*0Sstevel@tonic-gate mname[0] = 0; 352*0Sstevel@tonic-gate (void) media_read_name(dp, mname, sizeof (mname)); 353*0Sstevel@tonic-gate 354*0Sstevel@tonic-gate for (i = 0; i < FD_NUMPART; i++) { 355*0Sstevel@tonic-gate if (iparts[i].systid != 0) { 356*0Sstevel@tonic-gate char part_name[MAXPATHLEN]; 357*0Sstevel@tonic-gate 358*0Sstevel@tonic-gate if (conv_flag) { 359*0Sstevel@tonic-gate /* convert part. name (e.g. c0d0p0) */ 360*0Sstevel@tonic-gate (void) snprintf(part_name, sizeof (part_name), 361*0Sstevel@tonic-gate "%s%d", pname, i); 362*0Sstevel@tonic-gate } else { 363*0Sstevel@tonic-gate (void) snprintf(part_name, sizeof (part_name), 364*0Sstevel@tonic-gate "%d", i); 365*0Sstevel@tonic-gate } 366*0Sstevel@tonic-gate 367*0Sstevel@tonic-gate cache_load_desc(DM_PARTITION, dp, part_name, mname, 368*0Sstevel@tonic-gate &error); 369*0Sstevel@tonic-gate if (error != 0) { 370*0Sstevel@tonic-gate return (error); 371*0Sstevel@tonic-gate } 372*0Sstevel@tonic-gate } 373*0Sstevel@tonic-gate } 374*0Sstevel@tonic-gate } 375*0Sstevel@tonic-gate dp = dp->next; 376*0Sstevel@tonic-gate } 377*0Sstevel@tonic-gate 378*0Sstevel@tonic-gate return (0); 379*0Sstevel@tonic-gate } 380*0Sstevel@tonic-gate 381*0Sstevel@tonic-gate static int 382*0Sstevel@tonic-gate get_attrs(descriptor_t *dp, struct ipart *iparts, nvlist_t *attrs) 383*0Sstevel@tonic-gate { 384*0Sstevel@tonic-gate char *p; 385*0Sstevel@tonic-gate int part_num; 386*0Sstevel@tonic-gate 387*0Sstevel@tonic-gate /* 388*0Sstevel@tonic-gate * We already made sure the media was loaded and ready in the 389*0Sstevel@tonic-gate * get_parts call within partition_get_attributes. 390*0Sstevel@tonic-gate */ 391*0Sstevel@tonic-gate 392*0Sstevel@tonic-gate p = strrchr(dp->name, 'p'); 393*0Sstevel@tonic-gate if (p == NULL) { 394*0Sstevel@tonic-gate p = dp->name; 395*0Sstevel@tonic-gate } else { 396*0Sstevel@tonic-gate p++; 397*0Sstevel@tonic-gate } 398*0Sstevel@tonic-gate part_num = atoi(p); 399*0Sstevel@tonic-gate if (part_num >= FD_NUMPART || iparts[part_num].systid == 0) { 400*0Sstevel@tonic-gate return (ENODEV); 401*0Sstevel@tonic-gate } 402*0Sstevel@tonic-gate 403*0Sstevel@tonic-gate /* we found the partition */ 404*0Sstevel@tonic-gate 405*0Sstevel@tonic-gate if (nvlist_add_uint32(attrs, DM_BOOTID, 406*0Sstevel@tonic-gate (unsigned int)iparts[part_num].bootid) != 0) { 407*0Sstevel@tonic-gate return (ENOMEM); 408*0Sstevel@tonic-gate } 409*0Sstevel@tonic-gate 410*0Sstevel@tonic-gate if (nvlist_add_uint32(attrs, DM_PTYPE, 411*0Sstevel@tonic-gate (unsigned int)iparts[part_num].systid) != 0) { 412*0Sstevel@tonic-gate return (ENOMEM); 413*0Sstevel@tonic-gate } 414*0Sstevel@tonic-gate 415*0Sstevel@tonic-gate if (nvlist_add_uint32(attrs, DM_BHEAD, 416*0Sstevel@tonic-gate (unsigned int)iparts[part_num].beghead) != 0) { 417*0Sstevel@tonic-gate return (ENOMEM); 418*0Sstevel@tonic-gate } 419*0Sstevel@tonic-gate 420*0Sstevel@tonic-gate if (nvlist_add_uint32(attrs, DM_BSECT, 421*0Sstevel@tonic-gate (unsigned int)((iparts[part_num].begsect) & 0x3f)) != 0) { 422*0Sstevel@tonic-gate return (ENOMEM); 423*0Sstevel@tonic-gate } 424*0Sstevel@tonic-gate 425*0Sstevel@tonic-gate if (nvlist_add_uint32(attrs, DM_BCYL, (unsigned int) 426*0Sstevel@tonic-gate ((iparts[part_num].begcyl & 0xff) | 427*0Sstevel@tonic-gate ((iparts[part_num].begsect & 0xc0) << 2))) != 0) { 428*0Sstevel@tonic-gate return (ENOMEM); 429*0Sstevel@tonic-gate } 430*0Sstevel@tonic-gate 431*0Sstevel@tonic-gate if (nvlist_add_uint32(attrs, DM_EHEAD, 432*0Sstevel@tonic-gate (unsigned int)iparts[part_num].endhead) != 0) { 433*0Sstevel@tonic-gate return (ENOMEM); 434*0Sstevel@tonic-gate } 435*0Sstevel@tonic-gate 436*0Sstevel@tonic-gate if (nvlist_add_uint32(attrs, DM_ESECT, 437*0Sstevel@tonic-gate (unsigned int)((iparts[part_num].endsect) & 0x3f)) != 0) { 438*0Sstevel@tonic-gate return (ENOMEM); 439*0Sstevel@tonic-gate } 440*0Sstevel@tonic-gate 441*0Sstevel@tonic-gate if (nvlist_add_uint32(attrs, DM_ECYL, (unsigned int) 442*0Sstevel@tonic-gate ((iparts[part_num].endcyl & 0xff) | 443*0Sstevel@tonic-gate ((iparts[part_num].endsect & 0xc0) << 2))) != 0) { 444*0Sstevel@tonic-gate return (ENOMEM); 445*0Sstevel@tonic-gate } 446*0Sstevel@tonic-gate 447*0Sstevel@tonic-gate if (nvlist_add_uint32(attrs, DM_RELSECT, 448*0Sstevel@tonic-gate (unsigned int)iparts[part_num].relsect) != 0) { 449*0Sstevel@tonic-gate return (ENOMEM); 450*0Sstevel@tonic-gate } 451*0Sstevel@tonic-gate 452*0Sstevel@tonic-gate if (nvlist_add_uint32(attrs, DM_NSECTORS, 453*0Sstevel@tonic-gate (unsigned int)iparts[part_num].numsect) != 0) { 454*0Sstevel@tonic-gate return (ENOMEM); 455*0Sstevel@tonic-gate } 456*0Sstevel@tonic-gate 457*0Sstevel@tonic-gate return (0); 458*0Sstevel@tonic-gate } 459*0Sstevel@tonic-gate 460*0Sstevel@tonic-gate static int 461*0Sstevel@tonic-gate get_parts(disk_t *disk, struct ipart *iparts, char *opath, int opath_len) 462*0Sstevel@tonic-gate { 463*0Sstevel@tonic-gate int fd; 464*0Sstevel@tonic-gate struct dk_minfo minfo; 465*0Sstevel@tonic-gate struct mboot bootblk; 466*0Sstevel@tonic-gate char bootsect[512]; 467*0Sstevel@tonic-gate int i; 468*0Sstevel@tonic-gate 469*0Sstevel@tonic-gate /* Can't use drive_open_disk since we need the partition dev name. */ 470*0Sstevel@tonic-gate if ((fd = open_disk(disk, opath, opath_len)) < 0) { 471*0Sstevel@tonic-gate return (ENODEV); 472*0Sstevel@tonic-gate } 473*0Sstevel@tonic-gate 474*0Sstevel@tonic-gate /* First make sure media is inserted and spun up. */ 475*0Sstevel@tonic-gate if (!media_read_info(fd, &minfo)) { 476*0Sstevel@tonic-gate #ifdef i386 477*0Sstevel@tonic-gate /* XXX Work around bug 4725434 */ 478*0Sstevel@tonic-gate if (disk->removable) { 479*0Sstevel@tonic-gate #endif 480*0Sstevel@tonic-gate (void) close(fd); 481*0Sstevel@tonic-gate return (ENODEV); 482*0Sstevel@tonic-gate #ifdef i386 483*0Sstevel@tonic-gate } 484*0Sstevel@tonic-gate #endif 485*0Sstevel@tonic-gate } 486*0Sstevel@tonic-gate 487*0Sstevel@tonic-gate if (!partition_has_fdisk(disk, fd)) { 488*0Sstevel@tonic-gate (void) close(fd); 489*0Sstevel@tonic-gate return (ENOTTY); 490*0Sstevel@tonic-gate } 491*0Sstevel@tonic-gate 492*0Sstevel@tonic-gate if (lseek(fd, 0, 0) == -1) { 493*0Sstevel@tonic-gate (void) close(fd); 494*0Sstevel@tonic-gate return (ENODEV); 495*0Sstevel@tonic-gate } 496*0Sstevel@tonic-gate 497*0Sstevel@tonic-gate if (read(fd, bootsect, 512) != 512) { 498*0Sstevel@tonic-gate (void) close(fd); 499*0Sstevel@tonic-gate return (ENODEV); 500*0Sstevel@tonic-gate } 501*0Sstevel@tonic-gate (void) close(fd); 502*0Sstevel@tonic-gate 503*0Sstevel@tonic-gate (void) memcpy(&bootblk, bootsect, sizeof (bootblk)); 504*0Sstevel@tonic-gate 505*0Sstevel@tonic-gate if (les(bootblk.signature) != MBB_MAGIC) { 506*0Sstevel@tonic-gate return (ENOTTY); 507*0Sstevel@tonic-gate } 508*0Sstevel@tonic-gate 509*0Sstevel@tonic-gate (void) memcpy(iparts, bootblk.parts, ISIZE); 510*0Sstevel@tonic-gate 511*0Sstevel@tonic-gate for (i = 0; i < FD_NUMPART; i++) { 512*0Sstevel@tonic-gate if (iparts[i].systid != 0) { 513*0Sstevel@tonic-gate iparts[i].relsect = lel(iparts[i].relsect); 514*0Sstevel@tonic-gate iparts[i].numsect = lel(iparts[i].numsect); 515*0Sstevel@tonic-gate } 516*0Sstevel@tonic-gate } 517*0Sstevel@tonic-gate 518*0Sstevel@tonic-gate return (0); 519*0Sstevel@tonic-gate } 520*0Sstevel@tonic-gate /* return 1 if the partition descriptor is still valid, 0 if not. */ 521*0Sstevel@tonic-gate static int 522*0Sstevel@tonic-gate desc_ok(descriptor_t *dp) 523*0Sstevel@tonic-gate { 524*0Sstevel@tonic-gate /* First verify the media name for removable media */ 525*0Sstevel@tonic-gate if (dp->p.disk->removable) { 526*0Sstevel@tonic-gate char mname[MAXPATHLEN]; 527*0Sstevel@tonic-gate 528*0Sstevel@tonic-gate if (!media_read_name(dp->p.disk, mname, sizeof (mname))) { 529*0Sstevel@tonic-gate return (0); 530*0Sstevel@tonic-gate } 531*0Sstevel@tonic-gate 532*0Sstevel@tonic-gate if (mname[0] == 0) { 533*0Sstevel@tonic-gate return (libdiskmgt_str_eq(dp->secondary_name, NULL)); 534*0Sstevel@tonic-gate } else { 535*0Sstevel@tonic-gate return (libdiskmgt_str_eq(dp->secondary_name, mname)); 536*0Sstevel@tonic-gate } 537*0Sstevel@tonic-gate } 538*0Sstevel@tonic-gate 539*0Sstevel@tonic-gate /* 540*0Sstevel@tonic-gate * We could verify the partition is still there but this is kind of 541*0Sstevel@tonic-gate * expensive and other code down the line will do that (e.g. see 542*0Sstevel@tonic-gate * get_attrs). 543*0Sstevel@tonic-gate */ 544*0Sstevel@tonic-gate 545*0Sstevel@tonic-gate return (1); 546*0Sstevel@tonic-gate } 547*0Sstevel@tonic-gate 548*0Sstevel@tonic-gate /* 549*0Sstevel@tonic-gate * Return 1 if partition has slices, 0 if not. 550*0Sstevel@tonic-gate */ 551*0Sstevel@tonic-gate static int 552*0Sstevel@tonic-gate has_slices(descriptor_t *desc, int *errp) 553*0Sstevel@tonic-gate { 554*0Sstevel@tonic-gate int pnum; 555*0Sstevel@tonic-gate int i; 556*0Sstevel@tonic-gate char *p; 557*0Sstevel@tonic-gate struct ipart iparts[FD_NUMPART]; 558*0Sstevel@tonic-gate 559*0Sstevel@tonic-gate if (get_parts(desc->p.disk, iparts, NULL, 0) != 0) { 560*0Sstevel@tonic-gate *errp = ENODEV; 561*0Sstevel@tonic-gate return (0); 562*0Sstevel@tonic-gate } 563*0Sstevel@tonic-gate 564*0Sstevel@tonic-gate p = strrchr(desc->name, 'p'); 565*0Sstevel@tonic-gate if (p == NULL) { 566*0Sstevel@tonic-gate p = desc->name; 567*0Sstevel@tonic-gate } else { 568*0Sstevel@tonic-gate p++; 569*0Sstevel@tonic-gate } 570*0Sstevel@tonic-gate pnum = atoi(p); 571*0Sstevel@tonic-gate 572*0Sstevel@tonic-gate /* 573*0Sstevel@tonic-gate * Slices are associated with the active solaris partition or if there 574*0Sstevel@tonic-gate * is no active solaris partition, then the first solaris partition. 575*0Sstevel@tonic-gate */ 576*0Sstevel@tonic-gate 577*0Sstevel@tonic-gate *errp = 0; 578*0Sstevel@tonic-gate if (iparts[pnum].bootid == ACTIVE && 579*0Sstevel@tonic-gate (iparts[pnum].systid == SUNIXOS || 580*0Sstevel@tonic-gate iparts[pnum].systid == SUNIXOS2)) { 581*0Sstevel@tonic-gate return (1); 582*0Sstevel@tonic-gate } else { 583*0Sstevel@tonic-gate int active = 0; 584*0Sstevel@tonic-gate 585*0Sstevel@tonic-gate /* Check if there are no active solaris partitions. */ 586*0Sstevel@tonic-gate for (i = 0; i < FD_NUMPART; i++) { 587*0Sstevel@tonic-gate if (iparts[i].bootid == ACTIVE && 588*0Sstevel@tonic-gate (iparts[i].systid == SUNIXOS || 589*0Sstevel@tonic-gate iparts[i].systid == SUNIXOS2)) { 590*0Sstevel@tonic-gate active = 1; 591*0Sstevel@tonic-gate break; 592*0Sstevel@tonic-gate } 593*0Sstevel@tonic-gate } 594*0Sstevel@tonic-gate 595*0Sstevel@tonic-gate if (!active) { 596*0Sstevel@tonic-gate /* Check if this is the first solaris partition. */ 597*0Sstevel@tonic-gate for (i = 0; i < FD_NUMPART; i++) { 598*0Sstevel@tonic-gate if (iparts[i].systid == SUNIXOS || 599*0Sstevel@tonic-gate iparts[i].systid == SUNIXOS2) { 600*0Sstevel@tonic-gate break; 601*0Sstevel@tonic-gate } 602*0Sstevel@tonic-gate } 603*0Sstevel@tonic-gate 604*0Sstevel@tonic-gate if (i < FD_NUMPART && i == pnum) { 605*0Sstevel@tonic-gate return (1); 606*0Sstevel@tonic-gate } 607*0Sstevel@tonic-gate } 608*0Sstevel@tonic-gate } 609*0Sstevel@tonic-gate 610*0Sstevel@tonic-gate return (0); 611*0Sstevel@tonic-gate } 612*0Sstevel@tonic-gate 613*0Sstevel@tonic-gate static int 614*0Sstevel@tonic-gate open_disk(disk_t *diskp, char *opath, int len) 615*0Sstevel@tonic-gate { 616*0Sstevel@tonic-gate char rmmedia_devpath[MAXPATHLEN]; 617*0Sstevel@tonic-gate 618*0Sstevel@tonic-gate if (diskp->removable && media_get_volm_path(diskp, rmmedia_devpath, 619*0Sstevel@tonic-gate sizeof (rmmedia_devpath))) { 620*0Sstevel@tonic-gate 621*0Sstevel@tonic-gate int fd; 622*0Sstevel@tonic-gate struct stat buf; 623*0Sstevel@tonic-gate 624*0Sstevel@tonic-gate if (rmmedia_devpath[0] == 0) { 625*0Sstevel@tonic-gate /* removable but no media */ 626*0Sstevel@tonic-gate return (-1); 627*0Sstevel@tonic-gate } 628*0Sstevel@tonic-gate 629*0Sstevel@tonic-gate if ((fd = open(rmmedia_devpath, O_RDONLY|O_NDELAY)) < 0) { 630*0Sstevel@tonic-gate return (-1); 631*0Sstevel@tonic-gate } 632*0Sstevel@tonic-gate 633*0Sstevel@tonic-gate if (fstat(fd, &buf) != 0) { 634*0Sstevel@tonic-gate (void) close(fd); 635*0Sstevel@tonic-gate return (-1); 636*0Sstevel@tonic-gate } 637*0Sstevel@tonic-gate 638*0Sstevel@tonic-gate if (buf.st_mode & S_IFCHR) { 639*0Sstevel@tonic-gate /* opened, is device, so done */ 640*0Sstevel@tonic-gate if (opath != NULL) { 641*0Sstevel@tonic-gate (void) strlcpy(opath, rmmedia_devpath, len); 642*0Sstevel@tonic-gate } 643*0Sstevel@tonic-gate return (fd); 644*0Sstevel@tonic-gate 645*0Sstevel@tonic-gate } else if (buf.st_mode & S_IFDIR) { 646*0Sstevel@tonic-gate /* disk w/ slices so handle the directory */ 647*0Sstevel@tonic-gate DIR *dirp; 648*0Sstevel@tonic-gate struct dirent *dentp; 649*0Sstevel@tonic-gate int dfd; 650*0Sstevel@tonic-gate #ifdef _LP64 651*0Sstevel@tonic-gate struct dirent *result; 652*0Sstevel@tonic-gate #endif 653*0Sstevel@tonic-gate 654*0Sstevel@tonic-gate /* each device file in the dir represents a slice */ 655*0Sstevel@tonic-gate 656*0Sstevel@tonic-gate if ((dirp = fdopendir(fd)) == NULL) { 657*0Sstevel@tonic-gate (void) close(fd); 658*0Sstevel@tonic-gate return (-1); 659*0Sstevel@tonic-gate } 660*0Sstevel@tonic-gate 661*0Sstevel@tonic-gate if ((dentp = (struct dirent *)malloc(sizeof (struct dirent) + 662*0Sstevel@tonic-gate _PC_NAME_MAX + 1)) == NULL) { 663*0Sstevel@tonic-gate /* out of memory */ 664*0Sstevel@tonic-gate (void) close(fd); 665*0Sstevel@tonic-gate return (-1); 666*0Sstevel@tonic-gate } 667*0Sstevel@tonic-gate #ifdef _LP64 668*0Sstevel@tonic-gate while (readdir_r(dirp, dentp, &result) != NULL) { 669*0Sstevel@tonic-gate #else 670*0Sstevel@tonic-gate while (readdir_r(dirp, dentp) != NULL) { 671*0Sstevel@tonic-gate #endif 672*0Sstevel@tonic-gate char slice_path[MAXPATHLEN]; 673*0Sstevel@tonic-gate 674*0Sstevel@tonic-gate if (libdiskmgt_str_eq(".", dentp->d_name) || 675*0Sstevel@tonic-gate libdiskmgt_str_eq("..", dentp->d_name)) { 676*0Sstevel@tonic-gate continue; 677*0Sstevel@tonic-gate } 678*0Sstevel@tonic-gate 679*0Sstevel@tonic-gate (void) snprintf(slice_path, sizeof (slice_path), "%s/%s", 680*0Sstevel@tonic-gate rmmedia_devpath, dentp->d_name); 681*0Sstevel@tonic-gate 682*0Sstevel@tonic-gate if ((dfd = open(slice_path, O_RDONLY|O_NDELAY)) < 0) { 683*0Sstevel@tonic-gate continue; 684*0Sstevel@tonic-gate } 685*0Sstevel@tonic-gate 686*0Sstevel@tonic-gate if (fstat(dfd, &buf) == 0 && (buf.st_mode & S_IFCHR)) { 687*0Sstevel@tonic-gate /* opened, is device, so done */ 688*0Sstevel@tonic-gate free(dentp); 689*0Sstevel@tonic-gate (void) close(fd); 690*0Sstevel@tonic-gate if (opath != NULL) { 691*0Sstevel@tonic-gate (void) strlcpy(opath, slice_path, len); 692*0Sstevel@tonic-gate } 693*0Sstevel@tonic-gate return (dfd); 694*0Sstevel@tonic-gate } 695*0Sstevel@tonic-gate 696*0Sstevel@tonic-gate /* not a device, keep looking */ 697*0Sstevel@tonic-gate (void) close(dfd); 698*0Sstevel@tonic-gate } 699*0Sstevel@tonic-gate 700*0Sstevel@tonic-gate /* did not find a device under the rmmedia_path */ 701*0Sstevel@tonic-gate free(dentp); 702*0Sstevel@tonic-gate (void) close(fd); 703*0Sstevel@tonic-gate } 704*0Sstevel@tonic-gate 705*0Sstevel@tonic-gate /* didn't find a device under volume management control */ 706*0Sstevel@tonic-gate return (-1); 707*0Sstevel@tonic-gate } 708*0Sstevel@tonic-gate 709*0Sstevel@tonic-gate /* 710*0Sstevel@tonic-gate * Not removable media under volume management control so just open the 711*0Sstevel@tonic-gate * first devpath. 712*0Sstevel@tonic-gate */ 713*0Sstevel@tonic-gate if (diskp->aliases != NULL && diskp->aliases->devpaths != NULL) { 714*0Sstevel@tonic-gate #ifdef sparc 715*0Sstevel@tonic-gate if (opath != NULL) { 716*0Sstevel@tonic-gate (void) strlcpy(opath, diskp->aliases->devpaths->devpath, len); 717*0Sstevel@tonic-gate } 718*0Sstevel@tonic-gate return (open(diskp->aliases->devpaths->devpath, O_RDONLY|O_NDELAY)); 719*0Sstevel@tonic-gate #else 720*0Sstevel@tonic-gate /* On intel we need to open partition device (e.g. c0d0p0). */ 721*0Sstevel@tonic-gate char part_dev[MAXPATHLEN]; 722*0Sstevel@tonic-gate char *p; 723*0Sstevel@tonic-gate 724*0Sstevel@tonic-gate (void) strlcpy(part_dev, diskp->aliases->devpaths->devpath, 725*0Sstevel@tonic-gate sizeof (part_dev)); 726*0Sstevel@tonic-gate p = strrchr(part_dev, '/'); 727*0Sstevel@tonic-gate if (p == NULL) { 728*0Sstevel@tonic-gate p = strrchr(part_dev, 's'); 729*0Sstevel@tonic-gate if (p != NULL) { 730*0Sstevel@tonic-gate *p = 'p'; 731*0Sstevel@tonic-gate } 732*0Sstevel@tonic-gate } else { 733*0Sstevel@tonic-gate char *ps; 734*0Sstevel@tonic-gate 735*0Sstevel@tonic-gate *p = 0; 736*0Sstevel@tonic-gate ps = strrchr((p + 1), 's'); 737*0Sstevel@tonic-gate if (ps != NULL) { 738*0Sstevel@tonic-gate *ps = 'p'; 739*0Sstevel@tonic-gate } 740*0Sstevel@tonic-gate *p = '/'; 741*0Sstevel@tonic-gate } 742*0Sstevel@tonic-gate 743*0Sstevel@tonic-gate if (opath != NULL) { 744*0Sstevel@tonic-gate (void) strlcpy(opath, part_dev, len); 745*0Sstevel@tonic-gate } 746*0Sstevel@tonic-gate return (open(part_dev, O_RDONLY|O_NDELAY)); 747*0Sstevel@tonic-gate #endif 748*0Sstevel@tonic-gate } 749*0Sstevel@tonic-gate 750*0Sstevel@tonic-gate return (-1); 751*0Sstevel@tonic-gate } 752