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*f80ce222SChris Kirby * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved. 23ea8dc4b6Seschrock */ 24ea8dc4b6Seschrock 25ea8dc4b6Seschrock #include <libzfs.h> 26ea8dc4b6Seschrock 27ea8dc4b6Seschrock #include <sys/zfs_context.h> 28ea8dc4b6Seschrock 29ea8dc4b6Seschrock #include <errno.h> 30ea8dc4b6Seschrock #include <fcntl.h> 31ea8dc4b6Seschrock #include <stdarg.h> 32ea8dc4b6Seschrock #include <stddef.h> 33ea8dc4b6Seschrock #include <stdio.h> 34ea8dc4b6Seschrock #include <stdlib.h> 35ea8dc4b6Seschrock #include <strings.h> 36ea8dc4b6Seschrock #include <sys/file.h> 37ea8dc4b6Seschrock #include <sys/mntent.h> 38ea8dc4b6Seschrock #include <sys/mnttab.h> 39ea8dc4b6Seschrock #include <sys/param.h> 40ea8dc4b6Seschrock #include <sys/stat.h> 41ea8dc4b6Seschrock 42ea8dc4b6Seschrock #include <sys/dmu.h> 43ea8dc4b6Seschrock #include <sys/dmu_objset.h> 44ea8dc4b6Seschrock #include <sys/dnode.h> 4521bf64a7Sgw #include <sys/vdev_impl.h> 46ea8dc4b6Seschrock 47ea8dc4b6Seschrock #include <sys/mkdev.h> 48ea8dc4b6Seschrock 49ea8dc4b6Seschrock #include "zinject.h" 50ea8dc4b6Seschrock 51ea8dc4b6Seschrock extern void kernel_init(int); 52ea8dc4b6Seschrock extern void kernel_fini(void); 53ea8dc4b6Seschrock 54ea8dc4b6Seschrock static int debug; 55ea8dc4b6Seschrock 56ea8dc4b6Seschrock static void 57ea8dc4b6Seschrock ziprintf(const char *fmt, ...) 58ea8dc4b6Seschrock { 59ea8dc4b6Seschrock va_list ap; 60ea8dc4b6Seschrock 61ea8dc4b6Seschrock if (!debug) 62ea8dc4b6Seschrock return; 63ea8dc4b6Seschrock 64ea8dc4b6Seschrock va_start(ap, fmt); 65ea8dc4b6Seschrock (void) vprintf(fmt, ap); 66ea8dc4b6Seschrock va_end(ap); 67ea8dc4b6Seschrock } 68ea8dc4b6Seschrock 69*f80ce222SChris Kirby static void 70*f80ce222SChris Kirby compress_slashes(const char *src, char *dest) 71*f80ce222SChris Kirby { 72*f80ce222SChris Kirby while (*src != '\0') { 73*f80ce222SChris Kirby *dest = *src++; 74*f80ce222SChris Kirby while (*dest == '/' && *src == '/') 75*f80ce222SChris Kirby ++src; 76*f80ce222SChris Kirby ++dest; 77*f80ce222SChris Kirby } 78*f80ce222SChris Kirby *dest = '\0'; 79*f80ce222SChris Kirby } 80*f80ce222SChris Kirby 81ea8dc4b6Seschrock /* 82ea8dc4b6Seschrock * Given a full path to a file, translate into a dataset name and a relative 83ea8dc4b6Seschrock * path within the dataset. 'dataset' must be at least MAXNAMELEN characters, 84ea8dc4b6Seschrock * and 'relpath' must be at least MAXPATHLEN characters. We also pass a stat64 85ea8dc4b6Seschrock * buffer, which we need later to get the object ID. 86ea8dc4b6Seschrock */ 87ea8dc4b6Seschrock static int 88*f80ce222SChris Kirby parse_pathname(const char *inpath, char *dataset, char *relpath, 89ea8dc4b6Seschrock struct stat64 *statbuf) 90ea8dc4b6Seschrock { 91ea8dc4b6Seschrock struct extmnttab mp; 92ea8dc4b6Seschrock FILE *fp; 93ea8dc4b6Seschrock int match; 94ea8dc4b6Seschrock const char *rel; 95*f80ce222SChris Kirby char fullpath[MAXPATHLEN]; 96*f80ce222SChris Kirby 97*f80ce222SChris Kirby compress_slashes(inpath, fullpath); 98ea8dc4b6Seschrock 99ea8dc4b6Seschrock if (fullpath[0] != '/') { 100ea8dc4b6Seschrock (void) fprintf(stderr, "invalid object '%s': must be full " 101ea8dc4b6Seschrock "path\n", fullpath); 102ea8dc4b6Seschrock usage(); 103ea8dc4b6Seschrock return (-1); 104ea8dc4b6Seschrock } 105ea8dc4b6Seschrock 106ea8dc4b6Seschrock if (strlen(fullpath) >= MAXPATHLEN) { 107ea8dc4b6Seschrock (void) fprintf(stderr, "invalid object; pathname too long\n"); 108ea8dc4b6Seschrock return (-1); 109ea8dc4b6Seschrock } 110ea8dc4b6Seschrock 111ea8dc4b6Seschrock if (stat64(fullpath, statbuf) != 0) { 112ea8dc4b6Seschrock (void) fprintf(stderr, "cannot open '%s': %s\n", 113ea8dc4b6Seschrock fullpath, strerror(errno)); 114ea8dc4b6Seschrock return (-1); 115ea8dc4b6Seschrock } 116ea8dc4b6Seschrock 117ea8dc4b6Seschrock if ((fp = fopen(MNTTAB, "r")) == NULL) { 118ea8dc4b6Seschrock (void) fprintf(stderr, "cannot open /etc/mnttab\n"); 119ea8dc4b6Seschrock return (-1); 120ea8dc4b6Seschrock } 121ea8dc4b6Seschrock 122ea8dc4b6Seschrock match = 0; 123ea8dc4b6Seschrock while (getextmntent(fp, &mp, sizeof (mp)) == 0) { 124ea8dc4b6Seschrock if (makedev(mp.mnt_major, mp.mnt_minor) == statbuf->st_dev) { 125ea8dc4b6Seschrock match = 1; 126ea8dc4b6Seschrock break; 127ea8dc4b6Seschrock } 128ea8dc4b6Seschrock } 129ea8dc4b6Seschrock 130ea8dc4b6Seschrock if (!match) { 131ea8dc4b6Seschrock (void) fprintf(stderr, "cannot find mountpoint for '%s'\n", 132ea8dc4b6Seschrock fullpath); 133ea8dc4b6Seschrock return (-1); 134ea8dc4b6Seschrock } 135ea8dc4b6Seschrock 136ea8dc4b6Seschrock if (strcmp(mp.mnt_fstype, MNTTYPE_ZFS) != 0) { 137ea8dc4b6Seschrock (void) fprintf(stderr, "invalid path '%s': not a ZFS " 138ea8dc4b6Seschrock "filesystem\n", fullpath); 139ea8dc4b6Seschrock return (-1); 140ea8dc4b6Seschrock } 141ea8dc4b6Seschrock 142ea8dc4b6Seschrock if (strncmp(fullpath, mp.mnt_mountp, strlen(mp.mnt_mountp)) != 0) { 143ea8dc4b6Seschrock (void) fprintf(stderr, "invalid path '%s': mountpoint " 144ea8dc4b6Seschrock "doesn't match path\n", fullpath); 145ea8dc4b6Seschrock return (-1); 146ea8dc4b6Seschrock } 147ea8dc4b6Seschrock 148ea8dc4b6Seschrock (void) strcpy(dataset, mp.mnt_special); 149ea8dc4b6Seschrock 150ea8dc4b6Seschrock rel = fullpath + strlen(mp.mnt_mountp); 151ea8dc4b6Seschrock if (rel[0] == '/') 152ea8dc4b6Seschrock rel++; 153ea8dc4b6Seschrock (void) strcpy(relpath, rel); 154ea8dc4b6Seschrock 155ea8dc4b6Seschrock return (0); 156ea8dc4b6Seschrock } 157ea8dc4b6Seschrock 158ea8dc4b6Seschrock /* 159ea8dc4b6Seschrock * Convert from a (dataset, path) pair into a (objset, object) pair. Note that 160ea8dc4b6Seschrock * we grab the object number from the inode number, since looking this up via 161ea8dc4b6Seschrock * libzpool is a real pain. 162ea8dc4b6Seschrock */ 163ea8dc4b6Seschrock /* ARGSUSED */ 164ea8dc4b6Seschrock static int 165ea8dc4b6Seschrock object_from_path(const char *dataset, const char *path, struct stat64 *statbuf, 166ea8dc4b6Seschrock zinject_record_t *record) 167ea8dc4b6Seschrock { 168ea8dc4b6Seschrock objset_t *os; 169ea8dc4b6Seschrock int err; 170ea8dc4b6Seschrock 171ea8dc4b6Seschrock /* 172ea8dc4b6Seschrock * Before doing any libzpool operations, call sync() to ensure that the 173ea8dc4b6Seschrock * on-disk state is consistent with the in-core state. 174ea8dc4b6Seschrock */ 175ea8dc4b6Seschrock sync(); 176ea8dc4b6Seschrock 177503ad85cSMatthew Ahrens err = dmu_objset_own(dataset, DMU_OST_ZFS, B_TRUE, FTAG, &os); 178503ad85cSMatthew Ahrens if (err != 0) { 179ea8dc4b6Seschrock (void) fprintf(stderr, "cannot open dataset '%s': %s\n", 180ea8dc4b6Seschrock dataset, strerror(err)); 181ea8dc4b6Seschrock return (-1); 182ea8dc4b6Seschrock } 183ea8dc4b6Seschrock 184ea8dc4b6Seschrock record->zi_objset = dmu_objset_id(os); 185ea8dc4b6Seschrock record->zi_object = statbuf->st_ino; 186ea8dc4b6Seschrock 187503ad85cSMatthew Ahrens dmu_objset_disown(os, FTAG); 188ea8dc4b6Seschrock 189ea8dc4b6Seschrock return (0); 190ea8dc4b6Seschrock } 191ea8dc4b6Seschrock 192ea8dc4b6Seschrock /* 193ea8dc4b6Seschrock * Calculate the real range based on the type, level, and range given. 194ea8dc4b6Seschrock */ 195ea8dc4b6Seschrock static int 196ea8dc4b6Seschrock calculate_range(const char *dataset, err_type_t type, int level, char *range, 197ea8dc4b6Seschrock zinject_record_t *record) 198ea8dc4b6Seschrock { 199ea8dc4b6Seschrock objset_t *os = NULL; 200ea8dc4b6Seschrock dnode_t *dn = NULL; 201ea8dc4b6Seschrock int err; 202ea8dc4b6Seschrock int ret = -1; 203ea8dc4b6Seschrock 204ea8dc4b6Seschrock /* 205ea8dc4b6Seschrock * Determine the numeric range from the string. 206ea8dc4b6Seschrock */ 207ea8dc4b6Seschrock if (range == NULL) { 208ea8dc4b6Seschrock /* 209ea8dc4b6Seschrock * If range is unspecified, set the range to [0,-1], which 210ea8dc4b6Seschrock * indicates that the whole object should be treated as an 211ea8dc4b6Seschrock * error. 212ea8dc4b6Seschrock */ 213ea8dc4b6Seschrock record->zi_start = 0; 214ea8dc4b6Seschrock record->zi_end = -1ULL; 215ea8dc4b6Seschrock } else { 216ea8dc4b6Seschrock char *end; 217ea8dc4b6Seschrock 218ea8dc4b6Seschrock /* XXX add support for suffixes */ 219ea8dc4b6Seschrock record->zi_start = strtoull(range, &end, 10); 220ea8dc4b6Seschrock 221ea8dc4b6Seschrock 222ea8dc4b6Seschrock if (*end == '\0') 223ea8dc4b6Seschrock record->zi_end = record->zi_start + 1; 224ea8dc4b6Seschrock else if (*end == ',') 225ea8dc4b6Seschrock record->zi_end = strtoull(end + 1, &end, 10); 226ea8dc4b6Seschrock 227ea8dc4b6Seschrock if (*end != '\0') { 228ea8dc4b6Seschrock (void) fprintf(stderr, "invalid range '%s': must be " 229ea8dc4b6Seschrock "a numeric range of the form 'start[,end]'\n", 230ea8dc4b6Seschrock range); 231ea8dc4b6Seschrock goto out; 232ea8dc4b6Seschrock } 233ea8dc4b6Seschrock } 234ea8dc4b6Seschrock 235ea8dc4b6Seschrock switch (type) { 236ea8dc4b6Seschrock case TYPE_DATA: 237ea8dc4b6Seschrock break; 238ea8dc4b6Seschrock 239ea8dc4b6Seschrock case TYPE_DNODE: 240ea8dc4b6Seschrock /* 241ea8dc4b6Seschrock * If this is a request to inject faults into the dnode, then we 242ea8dc4b6Seschrock * must translate the current (objset,object) pair into an 243ea8dc4b6Seschrock * offset within the metadnode for the objset. Specifying any 244ea8dc4b6Seschrock * kind of range with type 'dnode' is illegal. 245ea8dc4b6Seschrock */ 246ea8dc4b6Seschrock if (range != NULL) { 247ea8dc4b6Seschrock (void) fprintf(stderr, "range cannot be specified when " 248ea8dc4b6Seschrock "type is 'dnode'\n"); 249ea8dc4b6Seschrock goto out; 250ea8dc4b6Seschrock } 251ea8dc4b6Seschrock 252ea8dc4b6Seschrock record->zi_start = record->zi_object * sizeof (dnode_phys_t); 253ea8dc4b6Seschrock record->zi_end = record->zi_start + sizeof (dnode_phys_t); 254ea8dc4b6Seschrock record->zi_object = 0; 255ea8dc4b6Seschrock break; 256ea8dc4b6Seschrock } 257ea8dc4b6Seschrock 258ea8dc4b6Seschrock /* 259ea8dc4b6Seschrock * Get the dnode associated with object, so we can calculate the block 260ea8dc4b6Seschrock * size. 261ea8dc4b6Seschrock */ 262503ad85cSMatthew Ahrens if ((err = dmu_objset_own(dataset, DMU_OST_ANY, 263503ad85cSMatthew Ahrens B_TRUE, FTAG, &os)) != 0) { 264ea8dc4b6Seschrock (void) fprintf(stderr, "cannot open dataset '%s': %s\n", 265ea8dc4b6Seschrock dataset, strerror(err)); 266ea8dc4b6Seschrock goto out; 267ea8dc4b6Seschrock } 268ea8dc4b6Seschrock 269ea8dc4b6Seschrock if (record->zi_object == 0) { 270503ad85cSMatthew Ahrens dn = os->os_meta_dnode; 271ea8dc4b6Seschrock } else { 272503ad85cSMatthew Ahrens err = dnode_hold(os, record->zi_object, FTAG, &dn); 273ea8dc4b6Seschrock if (err != 0) { 274ea8dc4b6Seschrock (void) fprintf(stderr, "failed to hold dnode " 275ea8dc4b6Seschrock "for object %llu\n", 276ea8dc4b6Seschrock (u_longlong_t)record->zi_object); 277ea8dc4b6Seschrock goto out; 278ea8dc4b6Seschrock } 279ea8dc4b6Seschrock } 280ea8dc4b6Seschrock 281ea8dc4b6Seschrock 282ea8dc4b6Seschrock ziprintf("data shift: %d\n", (int)dn->dn_datablkshift); 283ea8dc4b6Seschrock ziprintf(" ind shift: %d\n", (int)dn->dn_indblkshift); 284ea8dc4b6Seschrock 285ea8dc4b6Seschrock /* 286ea8dc4b6Seschrock * Translate range into block IDs. 287ea8dc4b6Seschrock */ 288ea8dc4b6Seschrock if (record->zi_start != 0 || record->zi_end != -1ULL) { 289ea8dc4b6Seschrock record->zi_start >>= dn->dn_datablkshift; 290ea8dc4b6Seschrock record->zi_end >>= dn->dn_datablkshift; 291ea8dc4b6Seschrock } 292ea8dc4b6Seschrock 293ea8dc4b6Seschrock /* 294ea8dc4b6Seschrock * Check level, and then translate level 0 blkids into ranges 295ea8dc4b6Seschrock * appropriate for level of indirection. 296ea8dc4b6Seschrock */ 297ea8dc4b6Seschrock record->zi_level = level; 298ea8dc4b6Seschrock if (level > 0) { 299ea8dc4b6Seschrock ziprintf("level 0 blkid range: [%llu, %llu]\n", 300ea8dc4b6Seschrock record->zi_start, record->zi_end); 301ea8dc4b6Seschrock 302ea8dc4b6Seschrock if (level >= dn->dn_nlevels) { 303ea8dc4b6Seschrock (void) fprintf(stderr, "level %d exceeds max level " 304ea8dc4b6Seschrock "of object (%d)\n", level, dn->dn_nlevels - 1); 305ea8dc4b6Seschrock goto out; 306ea8dc4b6Seschrock } 307ea8dc4b6Seschrock 308ea8dc4b6Seschrock if (record->zi_start != 0 || record->zi_end != 0) { 309ea8dc4b6Seschrock int shift = dn->dn_indblkshift - SPA_BLKPTRSHIFT; 310ea8dc4b6Seschrock 311ea8dc4b6Seschrock for (; level > 0; level--) { 312ea8dc4b6Seschrock record->zi_start >>= shift; 313ea8dc4b6Seschrock record->zi_end >>= shift; 314ea8dc4b6Seschrock } 315ea8dc4b6Seschrock } 316ea8dc4b6Seschrock } 317ea8dc4b6Seschrock 318ea8dc4b6Seschrock ret = 0; 319ea8dc4b6Seschrock out: 320ea8dc4b6Seschrock if (dn) { 321503ad85cSMatthew Ahrens if (dn != os->os_meta_dnode) 322ea8dc4b6Seschrock dnode_rele(dn, FTAG); 323ea8dc4b6Seschrock } 324ea8dc4b6Seschrock if (os) 325503ad85cSMatthew Ahrens dmu_objset_disown(os, FTAG); 326ea8dc4b6Seschrock 327ea8dc4b6Seschrock return (ret); 328ea8dc4b6Seschrock } 329ea8dc4b6Seschrock 330ea8dc4b6Seschrock int 331ea8dc4b6Seschrock translate_record(err_type_t type, const char *object, const char *range, 332ea8dc4b6Seschrock int level, zinject_record_t *record, char *poolname, char *dataset) 333ea8dc4b6Seschrock { 334ea8dc4b6Seschrock char path[MAXPATHLEN]; 335ea8dc4b6Seschrock char *slash; 336ea8dc4b6Seschrock struct stat64 statbuf; 337ea8dc4b6Seschrock int ret = -1; 338ea8dc4b6Seschrock 339ea8dc4b6Seschrock kernel_init(FREAD); 340ea8dc4b6Seschrock 341ea8dc4b6Seschrock debug = (getenv("ZINJECT_DEBUG") != NULL); 342ea8dc4b6Seschrock 343ea8dc4b6Seschrock ziprintf("translating: %s\n", object); 344ea8dc4b6Seschrock 345ea8dc4b6Seschrock if (MOS_TYPE(type)) { 346ea8dc4b6Seschrock /* 347ea8dc4b6Seschrock * MOS objects are treated specially. 348ea8dc4b6Seschrock */ 349ea8dc4b6Seschrock switch (type) { 350ea8dc4b6Seschrock case TYPE_MOS: 351ea8dc4b6Seschrock record->zi_type = 0; 352ea8dc4b6Seschrock break; 353ea8dc4b6Seschrock case TYPE_MOSDIR: 354ea8dc4b6Seschrock record->zi_type = DMU_OT_OBJECT_DIRECTORY; 355ea8dc4b6Seschrock break; 356ea8dc4b6Seschrock case TYPE_METASLAB: 357ea8dc4b6Seschrock record->zi_type = DMU_OT_OBJECT_ARRAY; 358ea8dc4b6Seschrock break; 359ea8dc4b6Seschrock case TYPE_CONFIG: 360ea8dc4b6Seschrock record->zi_type = DMU_OT_PACKED_NVLIST; 361ea8dc4b6Seschrock break; 362ea8dc4b6Seschrock case TYPE_BPLIST: 363ea8dc4b6Seschrock record->zi_type = DMU_OT_BPLIST; 364ea8dc4b6Seschrock break; 365ea8dc4b6Seschrock case TYPE_SPACEMAP: 366ea8dc4b6Seschrock record->zi_type = DMU_OT_SPACE_MAP; 367ea8dc4b6Seschrock break; 368ea8dc4b6Seschrock case TYPE_ERRLOG: 369ea8dc4b6Seschrock record->zi_type = DMU_OT_ERROR_LOG; 370ea8dc4b6Seschrock break; 371ea8dc4b6Seschrock } 372ea8dc4b6Seschrock 373ea8dc4b6Seschrock dataset[0] = '\0'; 374ea8dc4b6Seschrock (void) strcpy(poolname, object); 375ea8dc4b6Seschrock return (0); 376ea8dc4b6Seschrock } 377ea8dc4b6Seschrock 378ea8dc4b6Seschrock /* 379ea8dc4b6Seschrock * Convert a full path into a (dataset, file) pair. 380ea8dc4b6Seschrock */ 381ea8dc4b6Seschrock if (parse_pathname(object, dataset, path, &statbuf) != 0) 382ea8dc4b6Seschrock goto err; 383ea8dc4b6Seschrock 384ea8dc4b6Seschrock ziprintf(" dataset: %s\n", dataset); 385ea8dc4b6Seschrock ziprintf(" path: %s\n", path); 386ea8dc4b6Seschrock 387ea8dc4b6Seschrock /* 388ea8dc4b6Seschrock * Convert (dataset, file) into (objset, object) 389ea8dc4b6Seschrock */ 390ea8dc4b6Seschrock if (object_from_path(dataset, path, &statbuf, record) != 0) 391ea8dc4b6Seschrock goto err; 392ea8dc4b6Seschrock 393ea8dc4b6Seschrock ziprintf("raw objset: %llu\n", record->zi_objset); 394ea8dc4b6Seschrock ziprintf("raw object: %llu\n", record->zi_object); 395ea8dc4b6Seschrock 396ea8dc4b6Seschrock /* 397ea8dc4b6Seschrock * For the given object, calculate the real (type, level, range) 398ea8dc4b6Seschrock */ 399ea8dc4b6Seschrock if (calculate_range(dataset, type, level, (char *)range, record) != 0) 400ea8dc4b6Seschrock goto err; 401ea8dc4b6Seschrock 402ea8dc4b6Seschrock ziprintf(" objset: %llu\n", record->zi_objset); 403ea8dc4b6Seschrock ziprintf(" object: %llu\n", record->zi_object); 404ea8dc4b6Seschrock if (record->zi_start == 0 && 405ea8dc4b6Seschrock record->zi_end == -1ULL) 406ea8dc4b6Seschrock ziprintf(" range: all\n"); 407ea8dc4b6Seschrock else 408ea8dc4b6Seschrock ziprintf(" range: [%llu, %llu]\n", record->zi_start, 409ea8dc4b6Seschrock record->zi_end); 410ea8dc4b6Seschrock 411ea8dc4b6Seschrock /* 412ea8dc4b6Seschrock * Copy the pool name 413ea8dc4b6Seschrock */ 414ea8dc4b6Seschrock (void) strcpy(poolname, dataset); 415ea8dc4b6Seschrock if ((slash = strchr(poolname, '/')) != NULL) 416ea8dc4b6Seschrock *slash = '\0'; 417ea8dc4b6Seschrock 418ea8dc4b6Seschrock ret = 0; 419ea8dc4b6Seschrock 420ea8dc4b6Seschrock err: 421ea8dc4b6Seschrock kernel_fini(); 422ea8dc4b6Seschrock return (ret); 423ea8dc4b6Seschrock } 424ea8dc4b6Seschrock 425ea8dc4b6Seschrock int 426ea8dc4b6Seschrock translate_raw(const char *str, zinject_record_t *record) 427ea8dc4b6Seschrock { 428ea8dc4b6Seschrock /* 429ea8dc4b6Seschrock * A raw bookmark of the form objset:object:level:blkid, where each 430ea8dc4b6Seschrock * number is a hexidecimal value. 431ea8dc4b6Seschrock */ 432ea8dc4b6Seschrock if (sscanf(str, "%llx:%llx:%x:%llx", (u_longlong_t *)&record->zi_objset, 433ea8dc4b6Seschrock (u_longlong_t *)&record->zi_object, &record->zi_level, 434ea8dc4b6Seschrock (u_longlong_t *)&record->zi_start) != 4) { 435ea8dc4b6Seschrock (void) fprintf(stderr, "bad raw spec '%s': must be of the form " 436ea8dc4b6Seschrock "'objset:object:level:blkid'\n", str); 437ea8dc4b6Seschrock return (-1); 438ea8dc4b6Seschrock } 439ea8dc4b6Seschrock 440ea8dc4b6Seschrock record->zi_end = record->zi_start; 441ea8dc4b6Seschrock 442ea8dc4b6Seschrock return (0); 443ea8dc4b6Seschrock } 444ea8dc4b6Seschrock 445ea8dc4b6Seschrock int 44621bf64a7Sgw translate_device(const char *pool, const char *device, err_type_t label_type, 44721bf64a7Sgw zinject_record_t *record) 448ea8dc4b6Seschrock { 449ea8dc4b6Seschrock char *end; 450ea8dc4b6Seschrock zpool_handle_t *zhp; 45199653d4eSeschrock nvlist_t *tgt; 452fa94a07fSbrendan boolean_t isspare, iscache; 453ea8dc4b6Seschrock 454ea8dc4b6Seschrock /* 455ea8dc4b6Seschrock * Given a device name or GUID, create an appropriate injection record 456ea8dc4b6Seschrock * with zi_guid set. 457ea8dc4b6Seschrock */ 45899653d4eSeschrock if ((zhp = zpool_open(g_zfs, pool)) == NULL) 459ea8dc4b6Seschrock return (-1); 460ea8dc4b6Seschrock 461ea8dc4b6Seschrock record->zi_guid = strtoull(device, &end, 16); 46299653d4eSeschrock if (record->zi_guid == 0 || *end != '\0') { 463ee0eb9f2SEric Schrock tgt = zpool_find_vdev(zhp, device, &isspare, &iscache, NULL); 464ea8dc4b6Seschrock 46599653d4eSeschrock if (tgt == NULL) { 46699653d4eSeschrock (void) fprintf(stderr, "cannot find device '%s' in " 46799653d4eSeschrock "pool '%s'\n", device, pool); 46899653d4eSeschrock return (-1); 46999653d4eSeschrock } 47099653d4eSeschrock 47199653d4eSeschrock verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, 47299653d4eSeschrock &record->zi_guid) == 0); 473ea8dc4b6Seschrock } 474ea8dc4b6Seschrock 47521bf64a7Sgw switch (label_type) { 47621bf64a7Sgw case TYPE_LABEL_UBERBLOCK: 47721bf64a7Sgw record->zi_start = offsetof(vdev_label_t, vl_uberblock[0]); 47821bf64a7Sgw record->zi_end = record->zi_start + VDEV_UBERBLOCK_RING - 1; 47921bf64a7Sgw break; 48021bf64a7Sgw case TYPE_LABEL_NVLIST: 48121bf64a7Sgw record->zi_start = offsetof(vdev_label_t, vl_vdev_phys); 48221bf64a7Sgw record->zi_end = record->zi_start + VDEV_PHYS_SIZE - 1; 48321bf64a7Sgw break; 48421bf64a7Sgw } 485ea8dc4b6Seschrock return (0); 486ea8dc4b6Seschrock } 487