1ea8dc4b6Seschrock /* 2ea8dc4b6Seschrock * CDDL HEADER START 3ea8dc4b6Seschrock * 4ea8dc4b6Seschrock * The contents of this file are subject to the terms of the 5ea8dc4b6Seschrock * Common Development and Distribution License (the "License"). 6ea8dc4b6Seschrock * You may not use this file except in compliance with the License. 7ea8dc4b6Seschrock * 8ea8dc4b6Seschrock * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9ea8dc4b6Seschrock * or http://www.opensolaris.org/os/licensing. 10ea8dc4b6Seschrock * See the License for the specific language governing permissions 11ea8dc4b6Seschrock * and limitations under the License. 12ea8dc4b6Seschrock * 13ea8dc4b6Seschrock * When distributing Covered Code, include this CDDL HEADER in each 14ea8dc4b6Seschrock * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15ea8dc4b6Seschrock * If applicable, add the following below this CDDL HEADER, with the 16ea8dc4b6Seschrock * fields enclosed by brackets "[]" replaced with your own identifying 17ea8dc4b6Seschrock * information: Portions Copyright [yyyy] [name of copyright owner] 18ea8dc4b6Seschrock * 19ea8dc4b6Seschrock * CDDL HEADER END 20ea8dc4b6Seschrock */ 21ea8dc4b6Seschrock /* 22*21bf64a7Sgw * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 23ea8dc4b6Seschrock * Use is subject to license terms. 24ea8dc4b6Seschrock */ 25ea8dc4b6Seschrock 26ea8dc4b6Seschrock #pragma ident "%Z%%M% %I% %E% SMI" 27ea8dc4b6Seschrock 28ea8dc4b6Seschrock #include <libzfs.h> 29ea8dc4b6Seschrock 30ea8dc4b6Seschrock #undef verify /* both libzfs.h and zfs_context.h want to define this */ 31ea8dc4b6Seschrock 32ea8dc4b6Seschrock #include <sys/zfs_context.h> 33ea8dc4b6Seschrock 34ea8dc4b6Seschrock #include <errno.h> 35ea8dc4b6Seschrock #include <fcntl.h> 36ea8dc4b6Seschrock #include <stdarg.h> 37ea8dc4b6Seschrock #include <stddef.h> 38ea8dc4b6Seschrock #include <stdio.h> 39ea8dc4b6Seschrock #include <stdlib.h> 40ea8dc4b6Seschrock #include <strings.h> 41ea8dc4b6Seschrock #include <sys/file.h> 42ea8dc4b6Seschrock #include <sys/mntent.h> 43ea8dc4b6Seschrock #include <sys/mnttab.h> 44ea8dc4b6Seschrock #include <sys/param.h> 45ea8dc4b6Seschrock #include <sys/stat.h> 46ea8dc4b6Seschrock 47ea8dc4b6Seschrock #include <sys/dmu.h> 48ea8dc4b6Seschrock #include <sys/dmu_objset.h> 49ea8dc4b6Seschrock #include <sys/dnode.h> 50*21bf64a7Sgw #include <sys/vdev_impl.h> 51ea8dc4b6Seschrock 52ea8dc4b6Seschrock #include <sys/mkdev.h> 53ea8dc4b6Seschrock 54ea8dc4b6Seschrock #include "zinject.h" 55ea8dc4b6Seschrock 56ea8dc4b6Seschrock extern void kernel_init(int); 57ea8dc4b6Seschrock extern void kernel_fini(void); 58ea8dc4b6Seschrock 59ea8dc4b6Seschrock static int debug; 60ea8dc4b6Seschrock 61ea8dc4b6Seschrock static void 62ea8dc4b6Seschrock ziprintf(const char *fmt, ...) 63ea8dc4b6Seschrock { 64ea8dc4b6Seschrock va_list ap; 65ea8dc4b6Seschrock 66ea8dc4b6Seschrock if (!debug) 67ea8dc4b6Seschrock return; 68ea8dc4b6Seschrock 69ea8dc4b6Seschrock va_start(ap, fmt); 70ea8dc4b6Seschrock (void) vprintf(fmt, ap); 71ea8dc4b6Seschrock va_end(ap); 72ea8dc4b6Seschrock } 73ea8dc4b6Seschrock 74ea8dc4b6Seschrock /* 75ea8dc4b6Seschrock * Given a full path to a file, translate into a dataset name and a relative 76ea8dc4b6Seschrock * path within the dataset. 'dataset' must be at least MAXNAMELEN characters, 77ea8dc4b6Seschrock * and 'relpath' must be at least MAXPATHLEN characters. We also pass a stat64 78ea8dc4b6Seschrock * buffer, which we need later to get the object ID. 79ea8dc4b6Seschrock */ 80ea8dc4b6Seschrock static int 81ea8dc4b6Seschrock parse_pathname(const char *fullpath, char *dataset, char *relpath, 82ea8dc4b6Seschrock struct stat64 *statbuf) 83ea8dc4b6Seschrock { 84ea8dc4b6Seschrock struct extmnttab mp; 85ea8dc4b6Seschrock FILE *fp; 86ea8dc4b6Seschrock int match; 87ea8dc4b6Seschrock const char *rel; 88ea8dc4b6Seschrock 89ea8dc4b6Seschrock if (fullpath[0] != '/') { 90ea8dc4b6Seschrock (void) fprintf(stderr, "invalid object '%s': must be full " 91ea8dc4b6Seschrock "path\n", fullpath); 92ea8dc4b6Seschrock usage(); 93ea8dc4b6Seschrock return (-1); 94ea8dc4b6Seschrock } 95ea8dc4b6Seschrock 96ea8dc4b6Seschrock if (strlen(fullpath) >= MAXPATHLEN) { 97ea8dc4b6Seschrock (void) fprintf(stderr, "invalid object; pathname too long\n"); 98ea8dc4b6Seschrock return (-1); 99ea8dc4b6Seschrock } 100ea8dc4b6Seschrock 101ea8dc4b6Seschrock if (stat64(fullpath, statbuf) != 0) { 102ea8dc4b6Seschrock (void) fprintf(stderr, "cannot open '%s': %s\n", 103ea8dc4b6Seschrock fullpath, strerror(errno)); 104ea8dc4b6Seschrock return (-1); 105ea8dc4b6Seschrock } 106ea8dc4b6Seschrock 107ea8dc4b6Seschrock if ((fp = fopen(MNTTAB, "r")) == NULL) { 108ea8dc4b6Seschrock (void) fprintf(stderr, "cannot open /etc/mnttab\n"); 109ea8dc4b6Seschrock return (-1); 110ea8dc4b6Seschrock } 111ea8dc4b6Seschrock 112ea8dc4b6Seschrock match = 0; 113ea8dc4b6Seschrock while (getextmntent(fp, &mp, sizeof (mp)) == 0) { 114ea8dc4b6Seschrock if (makedev(mp.mnt_major, mp.mnt_minor) == statbuf->st_dev) { 115ea8dc4b6Seschrock match = 1; 116ea8dc4b6Seschrock break; 117ea8dc4b6Seschrock } 118ea8dc4b6Seschrock } 119ea8dc4b6Seschrock 120ea8dc4b6Seschrock if (!match) { 121ea8dc4b6Seschrock (void) fprintf(stderr, "cannot find mountpoint for '%s'\n", 122ea8dc4b6Seschrock fullpath); 123ea8dc4b6Seschrock return (-1); 124ea8dc4b6Seschrock } 125ea8dc4b6Seschrock 126ea8dc4b6Seschrock if (strcmp(mp.mnt_fstype, MNTTYPE_ZFS) != 0) { 127ea8dc4b6Seschrock (void) fprintf(stderr, "invalid path '%s': not a ZFS " 128ea8dc4b6Seschrock "filesystem\n", fullpath); 129ea8dc4b6Seschrock return (-1); 130ea8dc4b6Seschrock } 131ea8dc4b6Seschrock 132ea8dc4b6Seschrock if (strncmp(fullpath, mp.mnt_mountp, strlen(mp.mnt_mountp)) != 0) { 133ea8dc4b6Seschrock (void) fprintf(stderr, "invalid path '%s': mountpoint " 134ea8dc4b6Seschrock "doesn't match path\n", fullpath); 135ea8dc4b6Seschrock return (-1); 136ea8dc4b6Seschrock } 137ea8dc4b6Seschrock 138ea8dc4b6Seschrock (void) strcpy(dataset, mp.mnt_special); 139ea8dc4b6Seschrock 140ea8dc4b6Seschrock rel = fullpath + strlen(mp.mnt_mountp); 141ea8dc4b6Seschrock if (rel[0] == '/') 142ea8dc4b6Seschrock rel++; 143ea8dc4b6Seschrock (void) strcpy(relpath, rel); 144ea8dc4b6Seschrock 145ea8dc4b6Seschrock return (0); 146ea8dc4b6Seschrock } 147ea8dc4b6Seschrock 148ea8dc4b6Seschrock /* 149ea8dc4b6Seschrock * Convert from a (dataset, path) pair into a (objset, object) pair. Note that 150ea8dc4b6Seschrock * we grab the object number from the inode number, since looking this up via 151ea8dc4b6Seschrock * libzpool is a real pain. 152ea8dc4b6Seschrock */ 153ea8dc4b6Seschrock /* ARGSUSED */ 154ea8dc4b6Seschrock static int 155ea8dc4b6Seschrock object_from_path(const char *dataset, const char *path, struct stat64 *statbuf, 156ea8dc4b6Seschrock zinject_record_t *record) 157ea8dc4b6Seschrock { 158ea8dc4b6Seschrock objset_t *os; 159ea8dc4b6Seschrock int err; 160ea8dc4b6Seschrock 161ea8dc4b6Seschrock /* 162ea8dc4b6Seschrock * Before doing any libzpool operations, call sync() to ensure that the 163ea8dc4b6Seschrock * on-disk state is consistent with the in-core state. 164ea8dc4b6Seschrock */ 165ea8dc4b6Seschrock sync(); 166ea8dc4b6Seschrock 167ea8dc4b6Seschrock if ((err = dmu_objset_open(dataset, DMU_OST_ZFS, 168ea8dc4b6Seschrock DS_MODE_STANDARD | DS_MODE_READONLY, &os)) != 0) { 169ea8dc4b6Seschrock (void) fprintf(stderr, "cannot open dataset '%s': %s\n", 170ea8dc4b6Seschrock dataset, strerror(err)); 171ea8dc4b6Seschrock return (-1); 172ea8dc4b6Seschrock } 173ea8dc4b6Seschrock 174ea8dc4b6Seschrock record->zi_objset = dmu_objset_id(os); 175ea8dc4b6Seschrock record->zi_object = statbuf->st_ino; 176ea8dc4b6Seschrock 177ea8dc4b6Seschrock dmu_objset_close(os); 178ea8dc4b6Seschrock 179ea8dc4b6Seschrock return (0); 180ea8dc4b6Seschrock } 181ea8dc4b6Seschrock 182ea8dc4b6Seschrock /* 183ea8dc4b6Seschrock * Calculate the real range based on the type, level, and range given. 184ea8dc4b6Seschrock */ 185ea8dc4b6Seschrock static int 186ea8dc4b6Seschrock calculate_range(const char *dataset, err_type_t type, int level, char *range, 187ea8dc4b6Seschrock zinject_record_t *record) 188ea8dc4b6Seschrock { 189ea8dc4b6Seschrock objset_t *os = NULL; 190ea8dc4b6Seschrock dnode_t *dn = NULL; 191ea8dc4b6Seschrock int err; 192ea8dc4b6Seschrock int ret = -1; 193ea8dc4b6Seschrock 194ea8dc4b6Seschrock /* 195ea8dc4b6Seschrock * Determine the numeric range from the string. 196ea8dc4b6Seschrock */ 197ea8dc4b6Seschrock if (range == NULL) { 198ea8dc4b6Seschrock /* 199ea8dc4b6Seschrock * If range is unspecified, set the range to [0,-1], which 200ea8dc4b6Seschrock * indicates that the whole object should be treated as an 201ea8dc4b6Seschrock * error. 202ea8dc4b6Seschrock */ 203ea8dc4b6Seschrock record->zi_start = 0; 204ea8dc4b6Seschrock record->zi_end = -1ULL; 205ea8dc4b6Seschrock } else { 206ea8dc4b6Seschrock char *end; 207ea8dc4b6Seschrock 208ea8dc4b6Seschrock /* XXX add support for suffixes */ 209ea8dc4b6Seschrock record->zi_start = strtoull(range, &end, 10); 210ea8dc4b6Seschrock 211ea8dc4b6Seschrock 212ea8dc4b6Seschrock if (*end == '\0') 213ea8dc4b6Seschrock record->zi_end = record->zi_start + 1; 214ea8dc4b6Seschrock else if (*end == ',') 215ea8dc4b6Seschrock record->zi_end = strtoull(end + 1, &end, 10); 216ea8dc4b6Seschrock 217ea8dc4b6Seschrock if (*end != '\0') { 218ea8dc4b6Seschrock (void) fprintf(stderr, "invalid range '%s': must be " 219ea8dc4b6Seschrock "a numeric range of the form 'start[,end]'\n", 220ea8dc4b6Seschrock range); 221ea8dc4b6Seschrock goto out; 222ea8dc4b6Seschrock } 223ea8dc4b6Seschrock } 224ea8dc4b6Seschrock 225ea8dc4b6Seschrock switch (type) { 226ea8dc4b6Seschrock case TYPE_DATA: 227ea8dc4b6Seschrock break; 228ea8dc4b6Seschrock 229ea8dc4b6Seschrock case TYPE_DNODE: 230ea8dc4b6Seschrock /* 231ea8dc4b6Seschrock * If this is a request to inject faults into the dnode, then we 232ea8dc4b6Seschrock * must translate the current (objset,object) pair into an 233ea8dc4b6Seschrock * offset within the metadnode for the objset. Specifying any 234ea8dc4b6Seschrock * kind of range with type 'dnode' is illegal. 235ea8dc4b6Seschrock */ 236ea8dc4b6Seschrock if (range != NULL) { 237ea8dc4b6Seschrock (void) fprintf(stderr, "range cannot be specified when " 238ea8dc4b6Seschrock "type is 'dnode'\n"); 239ea8dc4b6Seschrock goto out; 240ea8dc4b6Seschrock } 241ea8dc4b6Seschrock 242ea8dc4b6Seschrock record->zi_start = record->zi_object * sizeof (dnode_phys_t); 243ea8dc4b6Seschrock record->zi_end = record->zi_start + sizeof (dnode_phys_t); 244ea8dc4b6Seschrock record->zi_object = 0; 245ea8dc4b6Seschrock break; 246ea8dc4b6Seschrock } 247ea8dc4b6Seschrock 248ea8dc4b6Seschrock /* 249ea8dc4b6Seschrock * Get the dnode associated with object, so we can calculate the block 250ea8dc4b6Seschrock * size. 251ea8dc4b6Seschrock */ 252ea8dc4b6Seschrock if ((err = dmu_objset_open(dataset, DMU_OST_ANY, 253ea8dc4b6Seschrock DS_MODE_STANDARD | DS_MODE_READONLY, &os)) != 0) { 254ea8dc4b6Seschrock (void) fprintf(stderr, "cannot open dataset '%s': %s\n", 255ea8dc4b6Seschrock dataset, strerror(err)); 256ea8dc4b6Seschrock goto out; 257ea8dc4b6Seschrock } 258ea8dc4b6Seschrock 259ea8dc4b6Seschrock if (record->zi_object == 0) { 260ea8dc4b6Seschrock dn = os->os->os_meta_dnode; 261ea8dc4b6Seschrock } else { 262ea8dc4b6Seschrock err = dnode_hold(os->os, record->zi_object, FTAG, &dn); 263ea8dc4b6Seschrock if (err != 0) { 264ea8dc4b6Seschrock (void) fprintf(stderr, "failed to hold dnode " 265ea8dc4b6Seschrock "for object %llu\n", 266ea8dc4b6Seschrock (u_longlong_t)record->zi_object); 267ea8dc4b6Seschrock goto out; 268ea8dc4b6Seschrock } 269ea8dc4b6Seschrock } 270ea8dc4b6Seschrock 271ea8dc4b6Seschrock 272ea8dc4b6Seschrock ziprintf("data shift: %d\n", (int)dn->dn_datablkshift); 273ea8dc4b6Seschrock ziprintf(" ind shift: %d\n", (int)dn->dn_indblkshift); 274ea8dc4b6Seschrock 275ea8dc4b6Seschrock /* 276ea8dc4b6Seschrock * Translate range into block IDs. 277ea8dc4b6Seschrock */ 278ea8dc4b6Seschrock if (record->zi_start != 0 || record->zi_end != -1ULL) { 279ea8dc4b6Seschrock record->zi_start >>= dn->dn_datablkshift; 280ea8dc4b6Seschrock record->zi_end >>= dn->dn_datablkshift; 281ea8dc4b6Seschrock } 282ea8dc4b6Seschrock 283ea8dc4b6Seschrock /* 284ea8dc4b6Seschrock * Check level, and then translate level 0 blkids into ranges 285ea8dc4b6Seschrock * appropriate for level of indirection. 286ea8dc4b6Seschrock */ 287ea8dc4b6Seschrock record->zi_level = level; 288ea8dc4b6Seschrock if (level > 0) { 289ea8dc4b6Seschrock ziprintf("level 0 blkid range: [%llu, %llu]\n", 290ea8dc4b6Seschrock record->zi_start, record->zi_end); 291ea8dc4b6Seschrock 292ea8dc4b6Seschrock if (level >= dn->dn_nlevels) { 293ea8dc4b6Seschrock (void) fprintf(stderr, "level %d exceeds max level " 294ea8dc4b6Seschrock "of object (%d)\n", level, dn->dn_nlevels - 1); 295ea8dc4b6Seschrock goto out; 296ea8dc4b6Seschrock } 297ea8dc4b6Seschrock 298ea8dc4b6Seschrock if (record->zi_start != 0 || record->zi_end != 0) { 299ea8dc4b6Seschrock int shift = dn->dn_indblkshift - SPA_BLKPTRSHIFT; 300ea8dc4b6Seschrock 301ea8dc4b6Seschrock for (; level > 0; level--) { 302ea8dc4b6Seschrock record->zi_start >>= shift; 303ea8dc4b6Seschrock record->zi_end >>= shift; 304ea8dc4b6Seschrock } 305ea8dc4b6Seschrock } 306ea8dc4b6Seschrock } 307ea8dc4b6Seschrock 308ea8dc4b6Seschrock ret = 0; 309ea8dc4b6Seschrock out: 310ea8dc4b6Seschrock if (dn) { 311ea8dc4b6Seschrock if (dn != os->os->os_meta_dnode) 312ea8dc4b6Seschrock dnode_rele(dn, FTAG); 313ea8dc4b6Seschrock } 314ea8dc4b6Seschrock if (os) 315ea8dc4b6Seschrock dmu_objset_close(os); 316ea8dc4b6Seschrock 317ea8dc4b6Seschrock return (ret); 318ea8dc4b6Seschrock } 319ea8dc4b6Seschrock 320ea8dc4b6Seschrock int 321ea8dc4b6Seschrock translate_record(err_type_t type, const char *object, const char *range, 322ea8dc4b6Seschrock int level, zinject_record_t *record, char *poolname, char *dataset) 323ea8dc4b6Seschrock { 324ea8dc4b6Seschrock char path[MAXPATHLEN]; 325ea8dc4b6Seschrock char *slash; 326ea8dc4b6Seschrock struct stat64 statbuf; 327ea8dc4b6Seschrock int ret = -1; 328ea8dc4b6Seschrock 329ea8dc4b6Seschrock kernel_init(FREAD); 330ea8dc4b6Seschrock 331ea8dc4b6Seschrock debug = (getenv("ZINJECT_DEBUG") != NULL); 332ea8dc4b6Seschrock 333ea8dc4b6Seschrock ziprintf("translating: %s\n", object); 334ea8dc4b6Seschrock 335ea8dc4b6Seschrock if (MOS_TYPE(type)) { 336ea8dc4b6Seschrock /* 337ea8dc4b6Seschrock * MOS objects are treated specially. 338ea8dc4b6Seschrock */ 339ea8dc4b6Seschrock switch (type) { 340ea8dc4b6Seschrock case TYPE_MOS: 341ea8dc4b6Seschrock record->zi_type = 0; 342ea8dc4b6Seschrock break; 343ea8dc4b6Seschrock case TYPE_MOSDIR: 344ea8dc4b6Seschrock record->zi_type = DMU_OT_OBJECT_DIRECTORY; 345ea8dc4b6Seschrock break; 346ea8dc4b6Seschrock case TYPE_METASLAB: 347ea8dc4b6Seschrock record->zi_type = DMU_OT_OBJECT_ARRAY; 348ea8dc4b6Seschrock break; 349ea8dc4b6Seschrock case TYPE_CONFIG: 350ea8dc4b6Seschrock record->zi_type = DMU_OT_PACKED_NVLIST; 351ea8dc4b6Seschrock break; 352ea8dc4b6Seschrock case TYPE_BPLIST: 353ea8dc4b6Seschrock record->zi_type = DMU_OT_BPLIST; 354ea8dc4b6Seschrock break; 355ea8dc4b6Seschrock case TYPE_SPACEMAP: 356ea8dc4b6Seschrock record->zi_type = DMU_OT_SPACE_MAP; 357ea8dc4b6Seschrock break; 358ea8dc4b6Seschrock case TYPE_ERRLOG: 359ea8dc4b6Seschrock record->zi_type = DMU_OT_ERROR_LOG; 360ea8dc4b6Seschrock break; 361ea8dc4b6Seschrock } 362ea8dc4b6Seschrock 363ea8dc4b6Seschrock dataset[0] = '\0'; 364ea8dc4b6Seschrock (void) strcpy(poolname, object); 365ea8dc4b6Seschrock return (0); 366ea8dc4b6Seschrock } 367ea8dc4b6Seschrock 368ea8dc4b6Seschrock /* 369ea8dc4b6Seschrock * Convert a full path into a (dataset, file) pair. 370ea8dc4b6Seschrock */ 371ea8dc4b6Seschrock if (parse_pathname(object, dataset, path, &statbuf) != 0) 372ea8dc4b6Seschrock goto err; 373ea8dc4b6Seschrock 374ea8dc4b6Seschrock ziprintf(" dataset: %s\n", dataset); 375ea8dc4b6Seschrock ziprintf(" path: %s\n", path); 376ea8dc4b6Seschrock 377ea8dc4b6Seschrock /* 378ea8dc4b6Seschrock * Convert (dataset, file) into (objset, object) 379ea8dc4b6Seschrock */ 380ea8dc4b6Seschrock if (object_from_path(dataset, path, &statbuf, record) != 0) 381ea8dc4b6Seschrock goto err; 382ea8dc4b6Seschrock 383ea8dc4b6Seschrock ziprintf("raw objset: %llu\n", record->zi_objset); 384ea8dc4b6Seschrock ziprintf("raw object: %llu\n", record->zi_object); 385ea8dc4b6Seschrock 386ea8dc4b6Seschrock /* 387ea8dc4b6Seschrock * For the given object, calculate the real (type, level, range) 388ea8dc4b6Seschrock */ 389ea8dc4b6Seschrock if (calculate_range(dataset, type, level, (char *)range, record) != 0) 390ea8dc4b6Seschrock goto err; 391ea8dc4b6Seschrock 392ea8dc4b6Seschrock ziprintf(" objset: %llu\n", record->zi_objset); 393ea8dc4b6Seschrock ziprintf(" object: %llu\n", record->zi_object); 394ea8dc4b6Seschrock if (record->zi_start == 0 && 395ea8dc4b6Seschrock record->zi_end == -1ULL) 396ea8dc4b6Seschrock ziprintf(" range: all\n"); 397ea8dc4b6Seschrock else 398ea8dc4b6Seschrock ziprintf(" range: [%llu, %llu]\n", record->zi_start, 399ea8dc4b6Seschrock record->zi_end); 400ea8dc4b6Seschrock 401ea8dc4b6Seschrock /* 402ea8dc4b6Seschrock * Copy the pool name 403ea8dc4b6Seschrock */ 404ea8dc4b6Seschrock (void) strcpy(poolname, dataset); 405ea8dc4b6Seschrock if ((slash = strchr(poolname, '/')) != NULL) 406ea8dc4b6Seschrock *slash = '\0'; 407ea8dc4b6Seschrock 408ea8dc4b6Seschrock ret = 0; 409ea8dc4b6Seschrock 410ea8dc4b6Seschrock err: 411ea8dc4b6Seschrock kernel_fini(); 412ea8dc4b6Seschrock return (ret); 413ea8dc4b6Seschrock } 414ea8dc4b6Seschrock 415ea8dc4b6Seschrock int 416ea8dc4b6Seschrock translate_raw(const char *str, zinject_record_t *record) 417ea8dc4b6Seschrock { 418ea8dc4b6Seschrock /* 419ea8dc4b6Seschrock * A raw bookmark of the form objset:object:level:blkid, where each 420ea8dc4b6Seschrock * number is a hexidecimal value. 421ea8dc4b6Seschrock */ 422ea8dc4b6Seschrock if (sscanf(str, "%llx:%llx:%x:%llx", (u_longlong_t *)&record->zi_objset, 423ea8dc4b6Seschrock (u_longlong_t *)&record->zi_object, &record->zi_level, 424ea8dc4b6Seschrock (u_longlong_t *)&record->zi_start) != 4) { 425ea8dc4b6Seschrock (void) fprintf(stderr, "bad raw spec '%s': must be of the form " 426ea8dc4b6Seschrock "'objset:object:level:blkid'\n", str); 427ea8dc4b6Seschrock return (-1); 428ea8dc4b6Seschrock } 429ea8dc4b6Seschrock 430ea8dc4b6Seschrock record->zi_end = record->zi_start; 431ea8dc4b6Seschrock 432ea8dc4b6Seschrock return (0); 433ea8dc4b6Seschrock } 434ea8dc4b6Seschrock 435ea8dc4b6Seschrock int 436*21bf64a7Sgw translate_device(const char *pool, const char *device, err_type_t label_type, 437*21bf64a7Sgw zinject_record_t *record) 438ea8dc4b6Seschrock { 439ea8dc4b6Seschrock char *end; 440ea8dc4b6Seschrock zpool_handle_t *zhp; 44199653d4eSeschrock nvlist_t *tgt; 442fa94a07fSbrendan boolean_t isspare, iscache; 443ea8dc4b6Seschrock 444ea8dc4b6Seschrock /* 445ea8dc4b6Seschrock * Given a device name or GUID, create an appropriate injection record 446ea8dc4b6Seschrock * with zi_guid set. 447ea8dc4b6Seschrock */ 44899653d4eSeschrock if ((zhp = zpool_open(g_zfs, pool)) == NULL) 449ea8dc4b6Seschrock return (-1); 450ea8dc4b6Seschrock 451ea8dc4b6Seschrock record->zi_guid = strtoull(device, &end, 16); 45299653d4eSeschrock if (record->zi_guid == 0 || *end != '\0') { 453fa94a07fSbrendan tgt = zpool_find_vdev(zhp, device, &isspare, &iscache); 454ea8dc4b6Seschrock 45599653d4eSeschrock if (tgt == NULL) { 45699653d4eSeschrock (void) fprintf(stderr, "cannot find device '%s' in " 45799653d4eSeschrock "pool '%s'\n", device, pool); 45899653d4eSeschrock return (-1); 45999653d4eSeschrock } 46099653d4eSeschrock 46199653d4eSeschrock verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, 46299653d4eSeschrock &record->zi_guid) == 0); 463ea8dc4b6Seschrock } 464ea8dc4b6Seschrock 465*21bf64a7Sgw switch (label_type) { 466*21bf64a7Sgw case TYPE_LABEL_UBERBLOCK: 467*21bf64a7Sgw record->zi_start = offsetof(vdev_label_t, vl_uberblock[0]); 468*21bf64a7Sgw record->zi_end = record->zi_start + VDEV_UBERBLOCK_RING - 1; 469*21bf64a7Sgw break; 470*21bf64a7Sgw case TYPE_LABEL_NVLIST: 471*21bf64a7Sgw record->zi_start = offsetof(vdev_label_t, vl_vdev_phys); 472*21bf64a7Sgw record->zi_end = record->zi_start + VDEV_PHYS_SIZE - 1; 473*21bf64a7Sgw break; 474*21bf64a7Sgw } 475ea8dc4b6Seschrock return (0); 476ea8dc4b6Seschrock } 477