1fa9e4066Sahrens /* 2fa9e4066Sahrens * CDDL HEADER START 3fa9e4066Sahrens * 4fa9e4066Sahrens * The contents of this file are subject to the terms of the 5441d80aaSlling * Common Development and Distribution License (the "License"). 6441d80aaSlling * You may not use this file except in compliance with the License. 7fa9e4066Sahrens * 8fa9e4066Sahrens * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9fa9e4066Sahrens * or http://www.opensolaris.org/os/licensing. 10fa9e4066Sahrens * See the License for the specific language governing permissions 11fa9e4066Sahrens * and limitations under the License. 12fa9e4066Sahrens * 13fa9e4066Sahrens * When distributing Covered Code, include this CDDL HEADER in each 14fa9e4066Sahrens * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15fa9e4066Sahrens * If applicable, add the following below this CDDL HEADER, with the 16fa9e4066Sahrens * fields enclosed by brackets "[]" replaced with your own identifying 17fa9e4066Sahrens * information: Portions Copyright [yyyy] [name of copyright owner] 18fa9e4066Sahrens * 19fa9e4066Sahrens * CDDL HEADER END 20fa9e4066Sahrens */ 2199653d4eSeschrock 22fa9e4066Sahrens /* 23c6ef114fSmmusante * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24fa9e4066Sahrens * Use is subject to license terms. 25fa9e4066Sahrens */ 26fa9e4066Sahrens 27f3861e1aSahl #include <alloca.h> 28fa9e4066Sahrens #include <assert.h> 29fa9e4066Sahrens #include <ctype.h> 30fa9e4066Sahrens #include <errno.h> 31fa9e4066Sahrens #include <devid.h> 32f3861e1aSahl #include <dirent.h> 33fa9e4066Sahrens #include <fcntl.h> 34fa9e4066Sahrens #include <libintl.h> 35fa9e4066Sahrens #include <stdio.h> 36fa9e4066Sahrens #include <stdlib.h> 37f3861e1aSahl #include <strings.h> 38fa9e4066Sahrens #include <unistd.h> 390a48a24eStimh #include <zone.h> 408488aeb5Staylor #include <sys/efi_partition.h> 418488aeb5Staylor #include <sys/vtoc.h> 42fa9e4066Sahrens #include <sys/zfs_ioctl.h> 43ea8dc4b6Seschrock #include <sys/zio.h> 4406eeb2adSek #include <strings.h> 45fa9e4066Sahrens 46fa9e4066Sahrens #include "zfs_namecheck.h" 47b1b8ab34Slling #include "zfs_prop.h" 48fa9e4066Sahrens #include "libzfs_impl.h" 49fa9e4066Sahrens 5015e6edf1Sgw static int read_efi_label(nvlist_t *config, diskaddr_t *sb); 51990b4856Slling 52990b4856Slling /* 53990b4856Slling * ==================================================================== 54990b4856Slling * zpool property functions 55990b4856Slling * ==================================================================== 56990b4856Slling */ 57990b4856Slling 58990b4856Slling static int 59990b4856Slling zpool_get_all_props(zpool_handle_t *zhp) 60990b4856Slling { 61990b4856Slling zfs_cmd_t zc = { 0 }; 62990b4856Slling libzfs_handle_t *hdl = zhp->zpool_hdl; 63990b4856Slling 64990b4856Slling (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 65990b4856Slling 66990b4856Slling if (zcmd_alloc_dst_nvlist(hdl, &zc, 0) != 0) 67990b4856Slling return (-1); 68990b4856Slling 69990b4856Slling while (ioctl(hdl->libzfs_fd, ZFS_IOC_POOL_GET_PROPS, &zc) != 0) { 70990b4856Slling if (errno == ENOMEM) { 71990b4856Slling if (zcmd_expand_dst_nvlist(hdl, &zc) != 0) { 72990b4856Slling zcmd_free_nvlists(&zc); 73990b4856Slling return (-1); 74990b4856Slling } 75990b4856Slling } else { 76990b4856Slling zcmd_free_nvlists(&zc); 77990b4856Slling return (-1); 78990b4856Slling } 79990b4856Slling } 80990b4856Slling 81990b4856Slling if (zcmd_read_dst_nvlist(hdl, &zc, &zhp->zpool_props) != 0) { 82990b4856Slling zcmd_free_nvlists(&zc); 83990b4856Slling return (-1); 84990b4856Slling } 85990b4856Slling 86990b4856Slling zcmd_free_nvlists(&zc); 87990b4856Slling 88990b4856Slling return (0); 89990b4856Slling } 90990b4856Slling 91990b4856Slling static int 92990b4856Slling zpool_props_refresh(zpool_handle_t *zhp) 93990b4856Slling { 94990b4856Slling nvlist_t *old_props; 95990b4856Slling 96990b4856Slling old_props = zhp->zpool_props; 97990b4856Slling 98990b4856Slling if (zpool_get_all_props(zhp) != 0) 99990b4856Slling return (-1); 100990b4856Slling 101990b4856Slling nvlist_free(old_props); 102990b4856Slling return (0); 103990b4856Slling } 104990b4856Slling 105990b4856Slling static char * 106990b4856Slling zpool_get_prop_string(zpool_handle_t *zhp, zpool_prop_t prop, 107990b4856Slling zprop_source_t *src) 108990b4856Slling { 109990b4856Slling nvlist_t *nv, *nvl; 110990b4856Slling uint64_t ival; 111990b4856Slling char *value; 112990b4856Slling zprop_source_t source; 113990b4856Slling 114990b4856Slling nvl = zhp->zpool_props; 115990b4856Slling if (nvlist_lookup_nvlist(nvl, zpool_prop_to_name(prop), &nv) == 0) { 116990b4856Slling verify(nvlist_lookup_uint64(nv, ZPROP_SOURCE, &ival) == 0); 117990b4856Slling source = ival; 118990b4856Slling verify(nvlist_lookup_string(nv, ZPROP_VALUE, &value) == 0); 119990b4856Slling } else { 120990b4856Slling source = ZPROP_SRC_DEFAULT; 121990b4856Slling if ((value = (char *)zpool_prop_default_string(prop)) == NULL) 122990b4856Slling value = "-"; 123990b4856Slling } 124990b4856Slling 125990b4856Slling if (src) 126990b4856Slling *src = source; 127990b4856Slling 128990b4856Slling return (value); 129990b4856Slling } 130990b4856Slling 131990b4856Slling uint64_t 132990b4856Slling zpool_get_prop_int(zpool_handle_t *zhp, zpool_prop_t prop, zprop_source_t *src) 133990b4856Slling { 134990b4856Slling nvlist_t *nv, *nvl; 135990b4856Slling uint64_t value; 136990b4856Slling zprop_source_t source; 137990b4856Slling 138b87f3af3Sperrin if (zhp->zpool_props == NULL && zpool_get_all_props(zhp)) { 139b87f3af3Sperrin /* 140b87f3af3Sperrin * zpool_get_all_props() has most likely failed because 141b87f3af3Sperrin * the pool is faulted, but if all we need is the top level 142b87f3af3Sperrin * vdev's guid then get it from the zhp config nvlist. 143b87f3af3Sperrin */ 144b87f3af3Sperrin if ((prop == ZPOOL_PROP_GUID) && 145b87f3af3Sperrin (nvlist_lookup_nvlist(zhp->zpool_config, 146b87f3af3Sperrin ZPOOL_CONFIG_VDEV_TREE, &nv) == 0) && 147b87f3af3Sperrin (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &value) 148b87f3af3Sperrin == 0)) { 149b87f3af3Sperrin return (value); 150b87f3af3Sperrin } 151990b4856Slling return (zpool_prop_default_numeric(prop)); 152b87f3af3Sperrin } 153990b4856Slling 154990b4856Slling nvl = zhp->zpool_props; 155990b4856Slling if (nvlist_lookup_nvlist(nvl, zpool_prop_to_name(prop), &nv) == 0) { 156990b4856Slling verify(nvlist_lookup_uint64(nv, ZPROP_SOURCE, &value) == 0); 157990b4856Slling source = value; 158990b4856Slling verify(nvlist_lookup_uint64(nv, ZPROP_VALUE, &value) == 0); 159990b4856Slling } else { 160990b4856Slling source = ZPROP_SRC_DEFAULT; 161990b4856Slling value = zpool_prop_default_numeric(prop); 162990b4856Slling } 163990b4856Slling 164990b4856Slling if (src) 165990b4856Slling *src = source; 166990b4856Slling 167990b4856Slling return (value); 168990b4856Slling } 169990b4856Slling 170990b4856Slling /* 171990b4856Slling * Map VDEV STATE to printed strings. 172990b4856Slling */ 173990b4856Slling char * 174990b4856Slling zpool_state_to_name(vdev_state_t state, vdev_aux_t aux) 175990b4856Slling { 176990b4856Slling switch (state) { 177990b4856Slling case VDEV_STATE_CLOSED: 178990b4856Slling case VDEV_STATE_OFFLINE: 179990b4856Slling return (gettext("OFFLINE")); 180990b4856Slling case VDEV_STATE_REMOVED: 181990b4856Slling return (gettext("REMOVED")); 182990b4856Slling case VDEV_STATE_CANT_OPEN: 183b87f3af3Sperrin if (aux == VDEV_AUX_CORRUPT_DATA || aux == VDEV_AUX_BAD_LOG) 184990b4856Slling return (gettext("FAULTED")); 185990b4856Slling else 186990b4856Slling return (gettext("UNAVAIL")); 187990b4856Slling case VDEV_STATE_FAULTED: 188990b4856Slling return (gettext("FAULTED")); 189990b4856Slling case VDEV_STATE_DEGRADED: 190990b4856Slling return (gettext("DEGRADED")); 191990b4856Slling case VDEV_STATE_HEALTHY: 192990b4856Slling return (gettext("ONLINE")); 193990b4856Slling } 194990b4856Slling 195990b4856Slling return (gettext("UNKNOWN")); 196990b4856Slling } 197990b4856Slling 198990b4856Slling /* 199990b4856Slling * Get a zpool property value for 'prop' and return the value in 200990b4856Slling * a pre-allocated buffer. 201990b4856Slling */ 202990b4856Slling int 203990b4856Slling zpool_get_prop(zpool_handle_t *zhp, zpool_prop_t prop, char *buf, size_t len, 204990b4856Slling zprop_source_t *srctype) 205990b4856Slling { 206990b4856Slling uint64_t intval; 207990b4856Slling const char *strval; 208990b4856Slling zprop_source_t src = ZPROP_SRC_NONE; 209990b4856Slling nvlist_t *nvroot; 210990b4856Slling vdev_stat_t *vs; 211990b4856Slling uint_t vsc; 212990b4856Slling 213990b4856Slling if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) { 214990b4856Slling if (prop == ZPOOL_PROP_NAME) 215990b4856Slling (void) strlcpy(buf, zpool_get_name(zhp), len); 216990b4856Slling else if (prop == ZPOOL_PROP_HEALTH) 217990b4856Slling (void) strlcpy(buf, "FAULTED", len); 218990b4856Slling else 219990b4856Slling (void) strlcpy(buf, "-", len); 220990b4856Slling return (0); 221990b4856Slling } 222990b4856Slling 223990b4856Slling if (zhp->zpool_props == NULL && zpool_get_all_props(zhp) && 224990b4856Slling prop != ZPOOL_PROP_NAME) 225990b4856Slling return (-1); 226990b4856Slling 227990b4856Slling switch (zpool_prop_get_type(prop)) { 228990b4856Slling case PROP_TYPE_STRING: 229990b4856Slling (void) strlcpy(buf, zpool_get_prop_string(zhp, prop, &src), 230990b4856Slling len); 231990b4856Slling break; 232990b4856Slling 233990b4856Slling case PROP_TYPE_NUMBER: 234990b4856Slling intval = zpool_get_prop_int(zhp, prop, &src); 235990b4856Slling 236990b4856Slling switch (prop) { 237990b4856Slling case ZPOOL_PROP_SIZE: 238990b4856Slling case ZPOOL_PROP_USED: 239990b4856Slling case ZPOOL_PROP_AVAILABLE: 240990b4856Slling (void) zfs_nicenum(intval, buf, len); 241990b4856Slling break; 242990b4856Slling 243990b4856Slling case ZPOOL_PROP_CAPACITY: 244990b4856Slling (void) snprintf(buf, len, "%llu%%", 245990b4856Slling (u_longlong_t)intval); 246990b4856Slling break; 247990b4856Slling 248990b4856Slling case ZPOOL_PROP_HEALTH: 249990b4856Slling verify(nvlist_lookup_nvlist(zpool_get_config(zhp, NULL), 250990b4856Slling ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); 251990b4856Slling verify(nvlist_lookup_uint64_array(nvroot, 252990b4856Slling ZPOOL_CONFIG_STATS, (uint64_t **)&vs, &vsc) == 0); 253990b4856Slling 254990b4856Slling (void) strlcpy(buf, zpool_state_to_name(intval, 255990b4856Slling vs->vs_aux), len); 256990b4856Slling break; 257990b4856Slling default: 258990b4856Slling (void) snprintf(buf, len, "%llu", intval); 259990b4856Slling } 260990b4856Slling break; 261990b4856Slling 262990b4856Slling case PROP_TYPE_INDEX: 263990b4856Slling intval = zpool_get_prop_int(zhp, prop, &src); 264990b4856Slling if (zpool_prop_index_to_string(prop, intval, &strval) 265990b4856Slling != 0) 266990b4856Slling return (-1); 267990b4856Slling (void) strlcpy(buf, strval, len); 268990b4856Slling break; 269990b4856Slling 270990b4856Slling default: 271990b4856Slling abort(); 272990b4856Slling } 273990b4856Slling 274990b4856Slling if (srctype) 275990b4856Slling *srctype = src; 276990b4856Slling 277990b4856Slling return (0); 278990b4856Slling } 279990b4856Slling 280990b4856Slling /* 281990b4856Slling * Check if the bootfs name has the same pool name as it is set to. 282990b4856Slling * Assuming bootfs is a valid dataset name. 283990b4856Slling */ 284990b4856Slling static boolean_t 285990b4856Slling bootfs_name_valid(const char *pool, char *bootfs) 286990b4856Slling { 287990b4856Slling int len = strlen(pool); 288990b4856Slling 289*fe3e2633SEric Taylor if (!zfs_name_valid(bootfs, ZFS_TYPE_FILESYSTEM|ZFS_TYPE_SNAPSHOT)) 290990b4856Slling return (B_FALSE); 291990b4856Slling 292990b4856Slling if (strncmp(pool, bootfs, len) == 0 && 293990b4856Slling (bootfs[len] == '/' || bootfs[len] == '\0')) 294990b4856Slling return (B_TRUE); 295990b4856Slling 296990b4856Slling return (B_FALSE); 297990b4856Slling } 298990b4856Slling 29915e6edf1Sgw /* 30015e6edf1Sgw * Inspect the configuration to determine if any of the devices contain 30115e6edf1Sgw * an EFI label. 30215e6edf1Sgw */ 30315e6edf1Sgw static boolean_t 30415e6edf1Sgw pool_uses_efi(nvlist_t *config) 30515e6edf1Sgw { 30615e6edf1Sgw nvlist_t **child; 30715e6edf1Sgw uint_t c, children; 30815e6edf1Sgw 30915e6edf1Sgw if (nvlist_lookup_nvlist_array(config, ZPOOL_CONFIG_CHILDREN, 31015e6edf1Sgw &child, &children) != 0) 31115e6edf1Sgw return (read_efi_label(config, NULL) >= 0); 31215e6edf1Sgw 31315e6edf1Sgw for (c = 0; c < children; c++) { 31415e6edf1Sgw if (pool_uses_efi(child[c])) 31515e6edf1Sgw return (B_TRUE); 31615e6edf1Sgw } 31715e6edf1Sgw return (B_FALSE); 31815e6edf1Sgw } 31915e6edf1Sgw 320990b4856Slling /* 321990b4856Slling * Given an nvlist of zpool properties to be set, validate that they are 322990b4856Slling * correct, and parse any numeric properties (index, boolean, etc) if they are 323990b4856Slling * specified as strings. 324990b4856Slling */ 325990b4856Slling static nvlist_t * 3260a48a24eStimh zpool_valid_proplist(libzfs_handle_t *hdl, const char *poolname, 327990b4856Slling nvlist_t *props, uint64_t version, boolean_t create_or_import, char *errbuf) 328990b4856Slling { 329990b4856Slling nvpair_t *elem; 330990b4856Slling nvlist_t *retprops; 331990b4856Slling zpool_prop_t prop; 332990b4856Slling char *strval; 333990b4856Slling uint64_t intval; 3342f8aaab3Seschrock char *slash; 3352f8aaab3Seschrock struct stat64 statbuf; 33615e6edf1Sgw zpool_handle_t *zhp; 33715e6edf1Sgw nvlist_t *nvroot; 338990b4856Slling 339990b4856Slling if (nvlist_alloc(&retprops, NV_UNIQUE_NAME, 0) != 0) { 340990b4856Slling (void) no_memory(hdl); 341990b4856Slling return (NULL); 342990b4856Slling } 343990b4856Slling 344990b4856Slling elem = NULL; 345990b4856Slling while ((elem = nvlist_next_nvpair(props, elem)) != NULL) { 346990b4856Slling const char *propname = nvpair_name(elem); 347990b4856Slling 348990b4856Slling /* 349990b4856Slling * Make sure this property is valid and applies to this type. 350990b4856Slling */ 351990b4856Slling if ((prop = zpool_name_to_prop(propname)) == ZPROP_INVAL) { 352990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 353990b4856Slling "invalid property '%s'"), propname); 354990b4856Slling (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 355990b4856Slling goto error; 356990b4856Slling } 357990b4856Slling 358990b4856Slling if (zpool_prop_readonly(prop)) { 359990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "'%s' " 360990b4856Slling "is readonly"), propname); 361990b4856Slling (void) zfs_error(hdl, EZFS_PROPREADONLY, errbuf); 362990b4856Slling goto error; 363990b4856Slling } 364990b4856Slling 365990b4856Slling if (zprop_parse_value(hdl, elem, prop, ZFS_TYPE_POOL, retprops, 366990b4856Slling &strval, &intval, errbuf) != 0) 367990b4856Slling goto error; 368990b4856Slling 369990b4856Slling /* 370990b4856Slling * Perform additional checking for specific properties. 371990b4856Slling */ 372990b4856Slling switch (prop) { 373990b4856Slling case ZPOOL_PROP_VERSION: 374990b4856Slling if (intval < version || intval > SPA_VERSION) { 375990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 376990b4856Slling "property '%s' number %d is invalid."), 377990b4856Slling propname, intval); 378990b4856Slling (void) zfs_error(hdl, EZFS_BADVERSION, errbuf); 379990b4856Slling goto error; 380990b4856Slling } 381990b4856Slling break; 382990b4856Slling 383990b4856Slling case ZPOOL_PROP_BOOTFS: 384990b4856Slling if (create_or_import) { 385990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 386990b4856Slling "property '%s' cannot be set at creation " 387990b4856Slling "or import time"), propname); 388990b4856Slling (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 389990b4856Slling goto error; 390990b4856Slling } 391990b4856Slling 392990b4856Slling if (version < SPA_VERSION_BOOTFS) { 393990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 394990b4856Slling "pool must be upgraded to support " 395990b4856Slling "'%s' property"), propname); 396990b4856Slling (void) zfs_error(hdl, EZFS_BADVERSION, errbuf); 397990b4856Slling goto error; 398990b4856Slling } 399990b4856Slling 400990b4856Slling /* 401990b4856Slling * bootfs property value has to be a dataset name and 402990b4856Slling * the dataset has to be in the same pool as it sets to. 403990b4856Slling */ 404990b4856Slling if (strval[0] != '\0' && !bootfs_name_valid(poolname, 405990b4856Slling strval)) { 406990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "'%s' " 407990b4856Slling "is an invalid name"), strval); 408990b4856Slling (void) zfs_error(hdl, EZFS_INVALIDNAME, errbuf); 409990b4856Slling goto error; 410990b4856Slling } 41115e6edf1Sgw 41215e6edf1Sgw if ((zhp = zpool_open_canfail(hdl, poolname)) == NULL) { 41315e6edf1Sgw zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 41415e6edf1Sgw "could not open pool '%s'"), poolname); 41515e6edf1Sgw (void) zfs_error(hdl, EZFS_OPENFAILED, errbuf); 41615e6edf1Sgw goto error; 41715e6edf1Sgw } 41815e6edf1Sgw verify(nvlist_lookup_nvlist(zpool_get_config(zhp, NULL), 41915e6edf1Sgw ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); 42015e6edf1Sgw 42115e6edf1Sgw /* 42215e6edf1Sgw * bootfs property cannot be set on a disk which has 42315e6edf1Sgw * been EFI labeled. 42415e6edf1Sgw */ 42515e6edf1Sgw if (pool_uses_efi(nvroot)) { 42615e6edf1Sgw zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 42715e6edf1Sgw "property '%s' not supported on " 42815e6edf1Sgw "EFI labeled devices"), propname); 42915e6edf1Sgw (void) zfs_error(hdl, EZFS_POOL_NOTSUP, errbuf); 43015e6edf1Sgw zpool_close(zhp); 43115e6edf1Sgw goto error; 43215e6edf1Sgw } 43315e6edf1Sgw zpool_close(zhp); 434990b4856Slling break; 435990b4856Slling 4362f8aaab3Seschrock case ZPOOL_PROP_ALTROOT: 437990b4856Slling if (!create_or_import) { 438990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 439990b4856Slling "property '%s' can only be set during pool " 440990b4856Slling "creation or import"), propname); 441990b4856Slling (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 442990b4856Slling goto error; 443990b4856Slling } 444990b4856Slling 4452f8aaab3Seschrock if (strval[0] != '/') { 446990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 4472f8aaab3Seschrock "bad alternate root '%s'"), strval); 4482f8aaab3Seschrock (void) zfs_error(hdl, EZFS_BADPATH, errbuf); 449990b4856Slling goto error; 450990b4856Slling } 4512f8aaab3Seschrock break; 4522f8aaab3Seschrock 4532f8aaab3Seschrock case ZPOOL_PROP_CACHEFILE: 4542f8aaab3Seschrock if (strval[0] == '\0') 4552f8aaab3Seschrock break; 4562f8aaab3Seschrock 4572f8aaab3Seschrock if (strcmp(strval, "none") == 0) 4582f8aaab3Seschrock break; 459990b4856Slling 460990b4856Slling if (strval[0] != '/') { 461990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 4622f8aaab3Seschrock "property '%s' must be empty, an " 4632f8aaab3Seschrock "absolute path, or 'none'"), propname); 464990b4856Slling (void) zfs_error(hdl, EZFS_BADPATH, errbuf); 465990b4856Slling goto error; 466990b4856Slling } 467990b4856Slling 4682f8aaab3Seschrock slash = strrchr(strval, '/'); 469990b4856Slling 4702f8aaab3Seschrock if (slash[1] == '\0' || strcmp(slash, "/.") == 0 || 4712f8aaab3Seschrock strcmp(slash, "/..") == 0) { 4722f8aaab3Seschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 4732f8aaab3Seschrock "'%s' is not a valid file"), strval); 4742f8aaab3Seschrock (void) zfs_error(hdl, EZFS_BADPATH, errbuf); 4752f8aaab3Seschrock goto error; 4762f8aaab3Seschrock } 477990b4856Slling 4782f8aaab3Seschrock *slash = '\0'; 4792f8aaab3Seschrock 4802c32020fSeschrock if (strval[0] != '\0' && 4812c32020fSeschrock (stat64(strval, &statbuf) != 0 || 4822c32020fSeschrock !S_ISDIR(statbuf.st_mode))) { 4832f8aaab3Seschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 4842f8aaab3Seschrock "'%s' is not a valid directory"), 4852f8aaab3Seschrock strval); 4862f8aaab3Seschrock (void) zfs_error(hdl, EZFS_BADPATH, errbuf); 4872f8aaab3Seschrock goto error; 4882f8aaab3Seschrock } 4892f8aaab3Seschrock 4902f8aaab3Seschrock *slash = '/'; 4912f8aaab3Seschrock break; 492990b4856Slling } 493990b4856Slling } 494990b4856Slling 495990b4856Slling return (retprops); 496990b4856Slling error: 497990b4856Slling nvlist_free(retprops); 498990b4856Slling return (NULL); 499990b4856Slling } 500990b4856Slling 501990b4856Slling /* 502990b4856Slling * Set zpool property : propname=propval. 503990b4856Slling */ 504990b4856Slling int 505990b4856Slling zpool_set_prop(zpool_handle_t *zhp, const char *propname, const char *propval) 506990b4856Slling { 507990b4856Slling zfs_cmd_t zc = { 0 }; 508990b4856Slling int ret = -1; 509990b4856Slling char errbuf[1024]; 510990b4856Slling nvlist_t *nvl = NULL; 511990b4856Slling nvlist_t *realprops; 512990b4856Slling uint64_t version; 513990b4856Slling 514990b4856Slling (void) snprintf(errbuf, sizeof (errbuf), 515990b4856Slling dgettext(TEXT_DOMAIN, "cannot set property for '%s'"), 516990b4856Slling zhp->zpool_name); 517990b4856Slling 518990b4856Slling if (zhp->zpool_props == NULL && zpool_get_all_props(zhp)) 519990b4856Slling return (zfs_error(zhp->zpool_hdl, EZFS_POOLPROPS, errbuf)); 520990b4856Slling 521990b4856Slling if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0) 522990b4856Slling return (no_memory(zhp->zpool_hdl)); 523990b4856Slling 524990b4856Slling if (nvlist_add_string(nvl, propname, propval) != 0) { 525990b4856Slling nvlist_free(nvl); 526990b4856Slling return (no_memory(zhp->zpool_hdl)); 527990b4856Slling } 528990b4856Slling 529990b4856Slling version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL); 5300a48a24eStimh if ((realprops = zpool_valid_proplist(zhp->zpool_hdl, 531990b4856Slling zhp->zpool_name, nvl, version, B_FALSE, errbuf)) == NULL) { 532990b4856Slling nvlist_free(nvl); 533990b4856Slling return (-1); 534990b4856Slling } 535990b4856Slling 536990b4856Slling nvlist_free(nvl); 537990b4856Slling nvl = realprops; 538990b4856Slling 539990b4856Slling /* 540990b4856Slling * Execute the corresponding ioctl() to set this property. 541990b4856Slling */ 542990b4856Slling (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 543990b4856Slling 544990b4856Slling if (zcmd_write_src_nvlist(zhp->zpool_hdl, &zc, nvl) != 0) { 545990b4856Slling nvlist_free(nvl); 546990b4856Slling return (-1); 547990b4856Slling } 548990b4856Slling 549990b4856Slling ret = zfs_ioctl(zhp->zpool_hdl, ZFS_IOC_POOL_SET_PROPS, &zc); 550990b4856Slling 551990b4856Slling zcmd_free_nvlists(&zc); 552990b4856Slling nvlist_free(nvl); 553990b4856Slling 554990b4856Slling if (ret) 555990b4856Slling (void) zpool_standard_error(zhp->zpool_hdl, errno, errbuf); 556990b4856Slling else 557990b4856Slling (void) zpool_props_refresh(zhp); 558990b4856Slling 559990b4856Slling return (ret); 560990b4856Slling } 561990b4856Slling 562990b4856Slling int 563990b4856Slling zpool_expand_proplist(zpool_handle_t *zhp, zprop_list_t **plp) 564990b4856Slling { 565990b4856Slling libzfs_handle_t *hdl = zhp->zpool_hdl; 566990b4856Slling zprop_list_t *entry; 567990b4856Slling char buf[ZFS_MAXPROPLEN]; 568990b4856Slling 569990b4856Slling if (zprop_expand_list(hdl, plp, ZFS_TYPE_POOL) != 0) 570990b4856Slling return (-1); 571990b4856Slling 572990b4856Slling for (entry = *plp; entry != NULL; entry = entry->pl_next) { 573990b4856Slling 574990b4856Slling if (entry->pl_fixed) 575990b4856Slling continue; 576990b4856Slling 577990b4856Slling if (entry->pl_prop != ZPROP_INVAL && 578990b4856Slling zpool_get_prop(zhp, entry->pl_prop, buf, sizeof (buf), 579990b4856Slling NULL) == 0) { 580990b4856Slling if (strlen(buf) > entry->pl_width) 581990b4856Slling entry->pl_width = strlen(buf); 582990b4856Slling } 583990b4856Slling } 584990b4856Slling 585990b4856Slling return (0); 586990b4856Slling } 587990b4856Slling 588990b4856Slling 589fa9e4066Sahrens /* 590fa9e4066Sahrens * Validate the given pool name, optionally putting an extended error message in 591fa9e4066Sahrens * 'buf'. 592fa9e4066Sahrens */ 593e7cbe64fSgw boolean_t 59499653d4eSeschrock zpool_name_valid(libzfs_handle_t *hdl, boolean_t isopen, const char *pool) 595fa9e4066Sahrens { 596fa9e4066Sahrens namecheck_err_t why; 597fa9e4066Sahrens char what; 598b468a217Seschrock int ret; 599b468a217Seschrock 600b468a217Seschrock ret = pool_namecheck(pool, &why, &what); 601b468a217Seschrock 602b468a217Seschrock /* 603b468a217Seschrock * The rules for reserved pool names were extended at a later point. 604b468a217Seschrock * But we need to support users with existing pools that may now be 605b468a217Seschrock * invalid. So we only check for this expanded set of names during a 606b468a217Seschrock * create (or import), and only in userland. 607b468a217Seschrock */ 608b468a217Seschrock if (ret == 0 && !isopen && 609b468a217Seschrock (strncmp(pool, "mirror", 6) == 0 || 610b468a217Seschrock strncmp(pool, "raidz", 5) == 0 || 6118654d025Sperrin strncmp(pool, "spare", 5) == 0 || 6128654d025Sperrin strcmp(pool, "log") == 0)) { 613e7cbe64fSgw if (hdl != NULL) 614e7cbe64fSgw zfs_error_aux(hdl, 615e7cbe64fSgw dgettext(TEXT_DOMAIN, "name is reserved")); 61699653d4eSeschrock return (B_FALSE); 617b468a217Seschrock } 618b468a217Seschrock 619fa9e4066Sahrens 620b468a217Seschrock if (ret != 0) { 62199653d4eSeschrock if (hdl != NULL) { 622fa9e4066Sahrens switch (why) { 623b81d61a6Slling case NAME_ERR_TOOLONG: 62499653d4eSeschrock zfs_error_aux(hdl, 625b81d61a6Slling dgettext(TEXT_DOMAIN, "name is too long")); 626b81d61a6Slling break; 627b81d61a6Slling 628fa9e4066Sahrens case NAME_ERR_INVALCHAR: 62999653d4eSeschrock zfs_error_aux(hdl, 630fa9e4066Sahrens dgettext(TEXT_DOMAIN, "invalid character " 631fa9e4066Sahrens "'%c' in pool name"), what); 632fa9e4066Sahrens break; 633fa9e4066Sahrens 634fa9e4066Sahrens case NAME_ERR_NOLETTER: 63599653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 63699653d4eSeschrock "name must begin with a letter")); 637fa9e4066Sahrens break; 638fa9e4066Sahrens 639fa9e4066Sahrens case NAME_ERR_RESERVED: 64099653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 64199653d4eSeschrock "name is reserved")); 642fa9e4066Sahrens break; 643fa9e4066Sahrens 644fa9e4066Sahrens case NAME_ERR_DISKLIKE: 64599653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 64699653d4eSeschrock "pool name is reserved")); 647fa9e4066Sahrens break; 6485ad82045Snd 6495ad82045Snd case NAME_ERR_LEADING_SLASH: 6505ad82045Snd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 6515ad82045Snd "leading slash in name")); 6525ad82045Snd break; 6535ad82045Snd 6545ad82045Snd case NAME_ERR_EMPTY_COMPONENT: 6555ad82045Snd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 6565ad82045Snd "empty component in name")); 6575ad82045Snd break; 6585ad82045Snd 6595ad82045Snd case NAME_ERR_TRAILING_SLASH: 6605ad82045Snd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 6615ad82045Snd "trailing slash in name")); 6625ad82045Snd break; 6635ad82045Snd 6645ad82045Snd case NAME_ERR_MULTIPLE_AT: 6655ad82045Snd zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 6665ad82045Snd "multiple '@' delimiters in name")); 6675ad82045Snd break; 6685ad82045Snd 669fa9e4066Sahrens } 670fa9e4066Sahrens } 67199653d4eSeschrock return (B_FALSE); 672fa9e4066Sahrens } 673fa9e4066Sahrens 67499653d4eSeschrock return (B_TRUE); 675fa9e4066Sahrens } 676fa9e4066Sahrens 677fa9e4066Sahrens /* 678fa9e4066Sahrens * Open a handle to the given pool, even if the pool is currently in the FAULTED 679fa9e4066Sahrens * state. 680fa9e4066Sahrens */ 681fa9e4066Sahrens zpool_handle_t * 68299653d4eSeschrock zpool_open_canfail(libzfs_handle_t *hdl, const char *pool) 683fa9e4066Sahrens { 684fa9e4066Sahrens zpool_handle_t *zhp; 68594de1d4cSeschrock boolean_t missing; 686fa9e4066Sahrens 687fa9e4066Sahrens /* 688fa9e4066Sahrens * Make sure the pool name is valid. 689fa9e4066Sahrens */ 69099653d4eSeschrock if (!zpool_name_valid(hdl, B_TRUE, pool)) { 691ece3d9b3Slling (void) zfs_error_fmt(hdl, EZFS_INVALIDNAME, 69299653d4eSeschrock dgettext(TEXT_DOMAIN, "cannot open '%s'"), 69399653d4eSeschrock pool); 694fa9e4066Sahrens return (NULL); 695fa9e4066Sahrens } 696fa9e4066Sahrens 69799653d4eSeschrock if ((zhp = zfs_alloc(hdl, sizeof (zpool_handle_t))) == NULL) 69899653d4eSeschrock return (NULL); 699fa9e4066Sahrens 70099653d4eSeschrock zhp->zpool_hdl = hdl; 701fa9e4066Sahrens (void) strlcpy(zhp->zpool_name, pool, sizeof (zhp->zpool_name)); 702fa9e4066Sahrens 70394de1d4cSeschrock if (zpool_refresh_stats(zhp, &missing) != 0) { 70494de1d4cSeschrock zpool_close(zhp); 70594de1d4cSeschrock return (NULL); 70694de1d4cSeschrock } 70794de1d4cSeschrock 70894de1d4cSeschrock if (missing) { 709990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "no such pool")); 710ece3d9b3Slling (void) zfs_error_fmt(hdl, EZFS_NOENT, 711990b4856Slling dgettext(TEXT_DOMAIN, "cannot open '%s'"), pool); 71294de1d4cSeschrock zpool_close(zhp); 71394de1d4cSeschrock return (NULL); 714fa9e4066Sahrens } 715fa9e4066Sahrens 716fa9e4066Sahrens return (zhp); 717fa9e4066Sahrens } 718fa9e4066Sahrens 719fa9e4066Sahrens /* 720fa9e4066Sahrens * Like the above, but silent on error. Used when iterating over pools (because 721fa9e4066Sahrens * the configuration cache may be out of date). 722fa9e4066Sahrens */ 72394de1d4cSeschrock int 72494de1d4cSeschrock zpool_open_silent(libzfs_handle_t *hdl, const char *pool, zpool_handle_t **ret) 725fa9e4066Sahrens { 726fa9e4066Sahrens zpool_handle_t *zhp; 72794de1d4cSeschrock boolean_t missing; 728fa9e4066Sahrens 72994de1d4cSeschrock if ((zhp = zfs_alloc(hdl, sizeof (zpool_handle_t))) == NULL) 73094de1d4cSeschrock return (-1); 731fa9e4066Sahrens 73299653d4eSeschrock zhp->zpool_hdl = hdl; 733fa9e4066Sahrens (void) strlcpy(zhp->zpool_name, pool, sizeof (zhp->zpool_name)); 734fa9e4066Sahrens 73594de1d4cSeschrock if (zpool_refresh_stats(zhp, &missing) != 0) { 73694de1d4cSeschrock zpool_close(zhp); 73794de1d4cSeschrock return (-1); 738fa9e4066Sahrens } 739fa9e4066Sahrens 74094de1d4cSeschrock if (missing) { 74194de1d4cSeschrock zpool_close(zhp); 74294de1d4cSeschrock *ret = NULL; 74394de1d4cSeschrock return (0); 74494de1d4cSeschrock } 74594de1d4cSeschrock 74694de1d4cSeschrock *ret = zhp; 74794de1d4cSeschrock return (0); 748fa9e4066Sahrens } 749fa9e4066Sahrens 750fa9e4066Sahrens /* 751fa9e4066Sahrens * Similar to zpool_open_canfail(), but refuses to open pools in the faulted 752fa9e4066Sahrens * state. 753fa9e4066Sahrens */ 754fa9e4066Sahrens zpool_handle_t * 75599653d4eSeschrock zpool_open(libzfs_handle_t *hdl, const char *pool) 756fa9e4066Sahrens { 757fa9e4066Sahrens zpool_handle_t *zhp; 758fa9e4066Sahrens 75999653d4eSeschrock if ((zhp = zpool_open_canfail(hdl, pool)) == NULL) 760fa9e4066Sahrens return (NULL); 761fa9e4066Sahrens 762fa9e4066Sahrens if (zhp->zpool_state == POOL_STATE_UNAVAIL) { 763ece3d9b3Slling (void) zfs_error_fmt(hdl, EZFS_POOLUNAVAIL, 76499653d4eSeschrock dgettext(TEXT_DOMAIN, "cannot open '%s'"), zhp->zpool_name); 765fa9e4066Sahrens zpool_close(zhp); 766fa9e4066Sahrens return (NULL); 767fa9e4066Sahrens } 768fa9e4066Sahrens 769fa9e4066Sahrens return (zhp); 770fa9e4066Sahrens } 771fa9e4066Sahrens 772fa9e4066Sahrens /* 773fa9e4066Sahrens * Close the handle. Simply frees the memory associated with the handle. 774fa9e4066Sahrens */ 775fa9e4066Sahrens void 776fa9e4066Sahrens zpool_close(zpool_handle_t *zhp) 777fa9e4066Sahrens { 778fa9e4066Sahrens if (zhp->zpool_config) 779fa9e4066Sahrens nvlist_free(zhp->zpool_config); 780088e9d47Seschrock if (zhp->zpool_old_config) 781088e9d47Seschrock nvlist_free(zhp->zpool_old_config); 782b1b8ab34Slling if (zhp->zpool_props) 783b1b8ab34Slling nvlist_free(zhp->zpool_props); 784fa9e4066Sahrens free(zhp); 785fa9e4066Sahrens } 786fa9e4066Sahrens 787fa9e4066Sahrens /* 788fa9e4066Sahrens * Return the name of the pool. 789fa9e4066Sahrens */ 790fa9e4066Sahrens const char * 791fa9e4066Sahrens zpool_get_name(zpool_handle_t *zhp) 792fa9e4066Sahrens { 793fa9e4066Sahrens return (zhp->zpool_name); 794fa9e4066Sahrens } 795fa9e4066Sahrens 796fa9e4066Sahrens 797fa9e4066Sahrens /* 798fa9e4066Sahrens * Return the state of the pool (ACTIVE or UNAVAILABLE) 799fa9e4066Sahrens */ 800fa9e4066Sahrens int 801fa9e4066Sahrens zpool_get_state(zpool_handle_t *zhp) 802fa9e4066Sahrens { 803fa9e4066Sahrens return (zhp->zpool_state); 804fa9e4066Sahrens } 805fa9e4066Sahrens 806fa9e4066Sahrens /* 807fa9e4066Sahrens * Create the named pool, using the provided vdev list. It is assumed 808fa9e4066Sahrens * that the consumer has already validated the contents of the nvlist, so we 809fa9e4066Sahrens * don't have to worry about error semantics. 810fa9e4066Sahrens */ 811fa9e4066Sahrens int 81299653d4eSeschrock zpool_create(libzfs_handle_t *hdl, const char *pool, nvlist_t *nvroot, 8130a48a24eStimh nvlist_t *props, nvlist_t *fsprops) 814fa9e4066Sahrens { 815fa9e4066Sahrens zfs_cmd_t zc = { 0 }; 8160a48a24eStimh nvlist_t *zc_fsprops = NULL; 8170a48a24eStimh nvlist_t *zc_props = NULL; 81899653d4eSeschrock char msg[1024]; 819990b4856Slling char *altroot; 8200a48a24eStimh int ret = -1; 821fa9e4066Sahrens 82299653d4eSeschrock (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, 82399653d4eSeschrock "cannot create '%s'"), pool); 824fa9e4066Sahrens 82599653d4eSeschrock if (!zpool_name_valid(hdl, B_FALSE, pool)) 82699653d4eSeschrock return (zfs_error(hdl, EZFS_INVALIDNAME, msg)); 827fa9e4066Sahrens 828351420b3Slling if (zcmd_write_conf_nvlist(hdl, &zc, nvroot) != 0) 829990b4856Slling return (-1); 830fa9e4066Sahrens 8310a48a24eStimh if (props) { 8320a48a24eStimh if ((zc_props = zpool_valid_proplist(hdl, pool, props, 8330a48a24eStimh SPA_VERSION_1, B_TRUE, msg)) == NULL) { 8340a48a24eStimh goto create_failed; 8350a48a24eStimh } 8360a48a24eStimh } 83799653d4eSeschrock 8380a48a24eStimh if (fsprops) { 8390a48a24eStimh uint64_t zoned; 8400a48a24eStimh char *zonestr; 8410a48a24eStimh 8420a48a24eStimh zoned = ((nvlist_lookup_string(fsprops, 8430a48a24eStimh zfs_prop_to_name(ZFS_PROP_ZONED), &zonestr) == 0) && 8440a48a24eStimh strcmp(zonestr, "on") == 0); 8450a48a24eStimh 8460a48a24eStimh if ((zc_fsprops = zfs_valid_proplist(hdl, 8470a48a24eStimh ZFS_TYPE_FILESYSTEM, fsprops, zoned, NULL, msg)) == NULL) { 8480a48a24eStimh goto create_failed; 8490a48a24eStimh } 8500a48a24eStimh if (!zc_props && 8510a48a24eStimh (nvlist_alloc(&zc_props, NV_UNIQUE_NAME, 0) != 0)) { 8520a48a24eStimh goto create_failed; 8530a48a24eStimh } 8540a48a24eStimh if (nvlist_add_nvlist(zc_props, 8550a48a24eStimh ZPOOL_ROOTFS_PROPS, zc_fsprops) != 0) { 8560a48a24eStimh goto create_failed; 8570a48a24eStimh } 858351420b3Slling } 859fa9e4066Sahrens 8600a48a24eStimh if (zc_props && zcmd_write_src_nvlist(hdl, &zc, zc_props) != 0) 8610a48a24eStimh goto create_failed; 8620a48a24eStimh 863990b4856Slling (void) strlcpy(zc.zc_name, pool, sizeof (zc.zc_name)); 864fa9e4066Sahrens 8650a48a24eStimh if ((ret = zfs_ioctl(hdl, ZFS_IOC_POOL_CREATE, &zc)) != 0) { 866351420b3Slling 867e9dbad6fSeschrock zcmd_free_nvlists(&zc); 8680a48a24eStimh nvlist_free(zc_props); 8690a48a24eStimh nvlist_free(zc_fsprops); 870fa9e4066Sahrens 87199653d4eSeschrock switch (errno) { 872fa9e4066Sahrens case EBUSY: 873fa9e4066Sahrens /* 874fa9e4066Sahrens * This can happen if the user has specified the same 875fa9e4066Sahrens * device multiple times. We can't reliably detect this 876fa9e4066Sahrens * until we try to add it and see we already have a 877fa9e4066Sahrens * label. 878fa9e4066Sahrens */ 87999653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 88099653d4eSeschrock "one or more vdevs refer to the same device")); 88199653d4eSeschrock return (zfs_error(hdl, EZFS_BADDEV, msg)); 882fa9e4066Sahrens 883fa9e4066Sahrens case EOVERFLOW: 884fa9e4066Sahrens /* 88599653d4eSeschrock * This occurs when one of the devices is below 886fa9e4066Sahrens * SPA_MINDEVSIZE. Unfortunately, we can't detect which 887fa9e4066Sahrens * device was the problem device since there's no 888fa9e4066Sahrens * reliable way to determine device size from userland. 889fa9e4066Sahrens */ 890fa9e4066Sahrens { 891fa9e4066Sahrens char buf[64]; 892fa9e4066Sahrens 893fa9e4066Sahrens zfs_nicenum(SPA_MINDEVSIZE, buf, sizeof (buf)); 894fa9e4066Sahrens 89599653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 89699653d4eSeschrock "one or more devices is less than the " 89799653d4eSeschrock "minimum size (%s)"), buf); 898fa9e4066Sahrens } 89999653d4eSeschrock return (zfs_error(hdl, EZFS_BADDEV, msg)); 900fa9e4066Sahrens 901fa9e4066Sahrens case ENOSPC: 90299653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 90399653d4eSeschrock "one or more devices is out of space")); 90499653d4eSeschrock return (zfs_error(hdl, EZFS_BADDEV, msg)); 905fa9e4066Sahrens 906fa94a07fSbrendan case ENOTBLK: 907fa94a07fSbrendan zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 908fa94a07fSbrendan "cache device must be a disk or disk slice")); 909fa94a07fSbrendan return (zfs_error(hdl, EZFS_BADDEV, msg)); 910fa94a07fSbrendan 911fa9e4066Sahrens default: 91299653d4eSeschrock return (zpool_standard_error(hdl, errno, msg)); 913fa9e4066Sahrens } 914fa9e4066Sahrens } 915fa9e4066Sahrens 916fa9e4066Sahrens /* 917fa9e4066Sahrens * If this is an alternate root pool, then we automatically set the 918e9dbad6fSeschrock * mountpoint of the root dataset to be '/'. 919fa9e4066Sahrens */ 920990b4856Slling if (nvlist_lookup_string(props, zpool_prop_to_name(ZPOOL_PROP_ALTROOT), 921990b4856Slling &altroot) == 0) { 922fa9e4066Sahrens zfs_handle_t *zhp; 923fa9e4066Sahrens 924990b4856Slling verify((zhp = zfs_open(hdl, pool, ZFS_TYPE_DATASET)) != NULL); 925e9dbad6fSeschrock verify(zfs_prop_set(zhp, zfs_prop_to_name(ZFS_PROP_MOUNTPOINT), 926e9dbad6fSeschrock "/") == 0); 927fa9e4066Sahrens 928fa9e4066Sahrens zfs_close(zhp); 929fa9e4066Sahrens } 930fa9e4066Sahrens 9310a48a24eStimh create_failed: 932351420b3Slling zcmd_free_nvlists(&zc); 9330a48a24eStimh nvlist_free(zc_props); 9340a48a24eStimh nvlist_free(zc_fsprops); 9350a48a24eStimh return (ret); 936fa9e4066Sahrens } 937fa9e4066Sahrens 938fa9e4066Sahrens /* 939fa9e4066Sahrens * Destroy the given pool. It is up to the caller to ensure that there are no 940fa9e4066Sahrens * datasets left in the pool. 941fa9e4066Sahrens */ 942fa9e4066Sahrens int 943fa9e4066Sahrens zpool_destroy(zpool_handle_t *zhp) 944fa9e4066Sahrens { 945fa9e4066Sahrens zfs_cmd_t zc = { 0 }; 946fa9e4066Sahrens zfs_handle_t *zfp = NULL; 94799653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 94899653d4eSeschrock char msg[1024]; 949fa9e4066Sahrens 950fa9e4066Sahrens if (zhp->zpool_state == POOL_STATE_ACTIVE && 95199653d4eSeschrock (zfp = zfs_open(zhp->zpool_hdl, zhp->zpool_name, 95299653d4eSeschrock ZFS_TYPE_FILESYSTEM)) == NULL) 953fa9e4066Sahrens return (-1); 954fa9e4066Sahrens 9555ad82045Snd if (zpool_remove_zvol_links(zhp) != 0) 956fa9e4066Sahrens return (-1); 957fa9e4066Sahrens 958fa9e4066Sahrens (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 959fa9e4066Sahrens 960ecd6cf80Smarks if (zfs_ioctl(zhp->zpool_hdl, ZFS_IOC_POOL_DESTROY, &zc) != 0) { 96199653d4eSeschrock (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, 96299653d4eSeschrock "cannot destroy '%s'"), zhp->zpool_name); 963fa9e4066Sahrens 96499653d4eSeschrock if (errno == EROFS) { 96599653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 96699653d4eSeschrock "one or more devices is read only")); 96799653d4eSeschrock (void) zfs_error(hdl, EZFS_BADDEV, msg); 96899653d4eSeschrock } else { 96999653d4eSeschrock (void) zpool_standard_error(hdl, errno, msg); 970fa9e4066Sahrens } 971fa9e4066Sahrens 972fa9e4066Sahrens if (zfp) 973fa9e4066Sahrens zfs_close(zfp); 974fa9e4066Sahrens return (-1); 975fa9e4066Sahrens } 976fa9e4066Sahrens 977fa9e4066Sahrens if (zfp) { 978fa9e4066Sahrens remove_mountpoint(zfp); 979fa9e4066Sahrens zfs_close(zfp); 980fa9e4066Sahrens } 981fa9e4066Sahrens 982fa9e4066Sahrens return (0); 983fa9e4066Sahrens } 984fa9e4066Sahrens 985fa9e4066Sahrens /* 986fa9e4066Sahrens * Add the given vdevs to the pool. The caller must have already performed the 987fa9e4066Sahrens * necessary verification to ensure that the vdev specification is well-formed. 988fa9e4066Sahrens */ 989fa9e4066Sahrens int 990fa9e4066Sahrens zpool_add(zpool_handle_t *zhp, nvlist_t *nvroot) 991fa9e4066Sahrens { 992e9dbad6fSeschrock zfs_cmd_t zc = { 0 }; 99399653d4eSeschrock int ret; 99499653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 99599653d4eSeschrock char msg[1024]; 996fa94a07fSbrendan nvlist_t **spares, **l2cache; 997fa94a07fSbrendan uint_t nspares, nl2cache; 99899653d4eSeschrock 99999653d4eSeschrock (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, 100099653d4eSeschrock "cannot add to '%s'"), zhp->zpool_name); 100199653d4eSeschrock 1002fa94a07fSbrendan if (zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL) < 1003fa94a07fSbrendan SPA_VERSION_SPARES && 100499653d4eSeschrock nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, 100599653d4eSeschrock &spares, &nspares) == 0) { 100699653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "pool must be " 100799653d4eSeschrock "upgraded to add hot spares")); 100899653d4eSeschrock return (zfs_error(hdl, EZFS_BADVERSION, msg)); 100999653d4eSeschrock } 1010fa9e4066Sahrens 1011fa94a07fSbrendan if (zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL) < 1012fa94a07fSbrendan SPA_VERSION_L2CACHE && 1013fa94a07fSbrendan nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, 1014fa94a07fSbrendan &l2cache, &nl2cache) == 0) { 1015fa94a07fSbrendan zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "pool must be " 1016fa94a07fSbrendan "upgraded to add cache devices")); 1017fa94a07fSbrendan return (zfs_error(hdl, EZFS_BADVERSION, msg)); 1018fa94a07fSbrendan } 1019fa94a07fSbrendan 1020990b4856Slling if (zcmd_write_conf_nvlist(hdl, &zc, nvroot) != 0) 102199653d4eSeschrock return (-1); 1022fa9e4066Sahrens (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 1023fa9e4066Sahrens 1024ecd6cf80Smarks if (zfs_ioctl(zhp->zpool_hdl, ZFS_IOC_VDEV_ADD, &zc) != 0) { 1025fa9e4066Sahrens switch (errno) { 1026fa9e4066Sahrens case EBUSY: 1027fa9e4066Sahrens /* 1028fa9e4066Sahrens * This can happen if the user has specified the same 1029fa9e4066Sahrens * device multiple times. We can't reliably detect this 1030fa9e4066Sahrens * until we try to add it and see we already have a 1031fa9e4066Sahrens * label. 1032fa9e4066Sahrens */ 103399653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 103499653d4eSeschrock "one or more vdevs refer to the same device")); 103599653d4eSeschrock (void) zfs_error(hdl, EZFS_BADDEV, msg); 1036fa9e4066Sahrens break; 1037fa9e4066Sahrens 1038fa9e4066Sahrens case EOVERFLOW: 1039fa9e4066Sahrens /* 1040fa9e4066Sahrens * This occurrs when one of the devices is below 1041fa9e4066Sahrens * SPA_MINDEVSIZE. Unfortunately, we can't detect which 1042fa9e4066Sahrens * device was the problem device since there's no 1043fa9e4066Sahrens * reliable way to determine device size from userland. 1044fa9e4066Sahrens */ 1045fa9e4066Sahrens { 1046fa9e4066Sahrens char buf[64]; 1047fa9e4066Sahrens 1048fa9e4066Sahrens zfs_nicenum(SPA_MINDEVSIZE, buf, sizeof (buf)); 1049fa9e4066Sahrens 105099653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 105199653d4eSeschrock "device is less than the minimum " 105299653d4eSeschrock "size (%s)"), buf); 1053fa9e4066Sahrens } 105499653d4eSeschrock (void) zfs_error(hdl, EZFS_BADDEV, msg); 105599653d4eSeschrock break; 105699653d4eSeschrock 105799653d4eSeschrock case ENOTSUP: 105899653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 10598654d025Sperrin "pool must be upgraded to add these vdevs")); 106099653d4eSeschrock (void) zfs_error(hdl, EZFS_BADVERSION, msg); 1061fa9e4066Sahrens break; 1062fa9e4066Sahrens 1063b1b8ab34Slling case EDOM: 1064b1b8ab34Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 10658654d025Sperrin "root pool can not have multiple vdevs" 10668654d025Sperrin " or separate logs")); 1067b1b8ab34Slling (void) zfs_error(hdl, EZFS_POOL_NOTSUP, msg); 1068b1b8ab34Slling break; 1069b1b8ab34Slling 1070fa94a07fSbrendan case ENOTBLK: 1071fa94a07fSbrendan zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1072fa94a07fSbrendan "cache device must be a disk or disk slice")); 1073fa94a07fSbrendan (void) zfs_error(hdl, EZFS_BADDEV, msg); 1074fa94a07fSbrendan break; 1075fa94a07fSbrendan 1076fa9e4066Sahrens default: 107799653d4eSeschrock (void) zpool_standard_error(hdl, errno, msg); 1078fa9e4066Sahrens } 1079fa9e4066Sahrens 108099653d4eSeschrock ret = -1; 108199653d4eSeschrock } else { 108299653d4eSeschrock ret = 0; 1083fa9e4066Sahrens } 1084fa9e4066Sahrens 1085e9dbad6fSeschrock zcmd_free_nvlists(&zc); 1086fa9e4066Sahrens 108799653d4eSeschrock return (ret); 1088fa9e4066Sahrens } 1089fa9e4066Sahrens 1090fa9e4066Sahrens /* 1091fa9e4066Sahrens * Exports the pool from the system. The caller must ensure that there are no 1092fa9e4066Sahrens * mounted datasets in the pool. 1093fa9e4066Sahrens */ 1094fa9e4066Sahrens int 109589a89ebfSlling zpool_export(zpool_handle_t *zhp, boolean_t force) 1096fa9e4066Sahrens { 1097fa9e4066Sahrens zfs_cmd_t zc = { 0 }; 109889a89ebfSlling char msg[1024]; 1099fa9e4066Sahrens 1100fa9e4066Sahrens if (zpool_remove_zvol_links(zhp) != 0) 1101fa9e4066Sahrens return (-1); 1102fa9e4066Sahrens 110389a89ebfSlling (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, 110489a89ebfSlling "cannot export '%s'"), zhp->zpool_name); 110589a89ebfSlling 1106fa9e4066Sahrens (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 110789a89ebfSlling zc.zc_cookie = force; 110889a89ebfSlling 110989a89ebfSlling if (zfs_ioctl(zhp->zpool_hdl, ZFS_IOC_POOL_EXPORT, &zc) != 0) { 111089a89ebfSlling switch (errno) { 111189a89ebfSlling case EXDEV: 111289a89ebfSlling zfs_error_aux(zhp->zpool_hdl, dgettext(TEXT_DOMAIN, 111389a89ebfSlling "use '-f' to override the following errors:\n" 111489a89ebfSlling "'%s' has an active shared spare which could be" 111589a89ebfSlling " used by other pools once '%s' is exported."), 111689a89ebfSlling zhp->zpool_name, zhp->zpool_name); 111789a89ebfSlling return (zfs_error(zhp->zpool_hdl, EZFS_ACTIVE_SPARE, 111889a89ebfSlling msg)); 111989a89ebfSlling default: 112089a89ebfSlling return (zpool_standard_error_fmt(zhp->zpool_hdl, errno, 112189a89ebfSlling msg)); 112289a89ebfSlling } 112389a89ebfSlling } 1124fa9e4066Sahrens 1125fa9e4066Sahrens return (0); 1126fa9e4066Sahrens } 1127fa9e4066Sahrens 1128fa9e4066Sahrens /* 1129990b4856Slling * zpool_import() is a contracted interface. Should be kept the same 1130990b4856Slling * if possible. 1131990b4856Slling * 1132990b4856Slling * Applications should use zpool_import_props() to import a pool with 1133990b4856Slling * new properties value to be set. 1134fa9e4066Sahrens */ 1135fa9e4066Sahrens int 113699653d4eSeschrock zpool_import(libzfs_handle_t *hdl, nvlist_t *config, const char *newname, 1137990b4856Slling char *altroot) 1138990b4856Slling { 1139990b4856Slling nvlist_t *props = NULL; 1140990b4856Slling int ret; 1141990b4856Slling 1142990b4856Slling if (altroot != NULL) { 1143990b4856Slling if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) { 1144990b4856Slling return (zfs_error_fmt(hdl, EZFS_NOMEM, 1145990b4856Slling dgettext(TEXT_DOMAIN, "cannot import '%s'"), 1146990b4856Slling newname)); 1147990b4856Slling } 1148990b4856Slling 1149990b4856Slling if (nvlist_add_string(props, 1150990b4856Slling zpool_prop_to_name(ZPOOL_PROP_ALTROOT), altroot) != 0) { 1151990b4856Slling nvlist_free(props); 1152990b4856Slling return (zfs_error_fmt(hdl, EZFS_NOMEM, 1153990b4856Slling dgettext(TEXT_DOMAIN, "cannot import '%s'"), 1154990b4856Slling newname)); 1155990b4856Slling } 1156990b4856Slling } 1157990b4856Slling 1158c5904d13Seschrock ret = zpool_import_props(hdl, config, newname, props, B_FALSE); 1159990b4856Slling if (props) 1160990b4856Slling nvlist_free(props); 1161990b4856Slling return (ret); 1162990b4856Slling } 1163990b4856Slling 1164990b4856Slling /* 1165990b4856Slling * Import the given pool using the known configuration and a list of 1166990b4856Slling * properties to be set. The configuration should have come from 1167990b4856Slling * zpool_find_import(). The 'newname' parameters control whether the pool 1168990b4856Slling * is imported with a different name. 1169990b4856Slling */ 1170990b4856Slling int 1171990b4856Slling zpool_import_props(libzfs_handle_t *hdl, nvlist_t *config, const char *newname, 1172c5904d13Seschrock nvlist_t *props, boolean_t importfaulted) 1173fa9e4066Sahrens { 1174e9dbad6fSeschrock zfs_cmd_t zc = { 0 }; 1175fa9e4066Sahrens char *thename; 1176fa9e4066Sahrens char *origname; 1177fa9e4066Sahrens int ret; 1178990b4856Slling char errbuf[1024]; 1179fa9e4066Sahrens 1180fa9e4066Sahrens verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME, 1181fa9e4066Sahrens &origname) == 0); 1182fa9e4066Sahrens 1183990b4856Slling (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, 1184990b4856Slling "cannot import pool '%s'"), origname); 1185990b4856Slling 1186fa9e4066Sahrens if (newname != NULL) { 118799653d4eSeschrock if (!zpool_name_valid(hdl, B_FALSE, newname)) 1188ece3d9b3Slling return (zfs_error_fmt(hdl, EZFS_INVALIDNAME, 118999653d4eSeschrock dgettext(TEXT_DOMAIN, "cannot import '%s'"), 119099653d4eSeschrock newname)); 1191fa9e4066Sahrens thename = (char *)newname; 1192fa9e4066Sahrens } else { 1193fa9e4066Sahrens thename = origname; 1194fa9e4066Sahrens } 1195fa9e4066Sahrens 1196990b4856Slling if (props) { 1197990b4856Slling uint64_t version; 1198fa9e4066Sahrens 1199990b4856Slling verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, 1200990b4856Slling &version) == 0); 1201fa9e4066Sahrens 12020a48a24eStimh if ((props = zpool_valid_proplist(hdl, origname, 1203351420b3Slling props, version, B_TRUE, errbuf)) == NULL) { 1204990b4856Slling return (-1); 1205351420b3Slling } else if (zcmd_write_src_nvlist(hdl, &zc, props) != 0) { 1206351420b3Slling nvlist_free(props); 1207990b4856Slling return (-1); 1208351420b3Slling } 1209990b4856Slling } 1210990b4856Slling 1211990b4856Slling (void) strlcpy(zc.zc_name, thename, sizeof (zc.zc_name)); 1212fa9e4066Sahrens 1213fa9e4066Sahrens verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, 1214ea8dc4b6Seschrock &zc.zc_guid) == 0); 1215fa9e4066Sahrens 1216351420b3Slling if (zcmd_write_conf_nvlist(hdl, &zc, config) != 0) { 1217351420b3Slling nvlist_free(props); 121899653d4eSeschrock return (-1); 1219351420b3Slling } 1220fa9e4066Sahrens 1221c5904d13Seschrock zc.zc_cookie = (uint64_t)importfaulted; 1222fa9e4066Sahrens ret = 0; 1223ecd6cf80Smarks if (zfs_ioctl(hdl, ZFS_IOC_POOL_IMPORT, &zc) != 0) { 1224fa9e4066Sahrens char desc[1024]; 1225fa9e4066Sahrens if (newname == NULL) 1226fa9e4066Sahrens (void) snprintf(desc, sizeof (desc), 1227fa9e4066Sahrens dgettext(TEXT_DOMAIN, "cannot import '%s'"), 1228fa9e4066Sahrens thename); 1229fa9e4066Sahrens else 1230fa9e4066Sahrens (void) snprintf(desc, sizeof (desc), 1231fa9e4066Sahrens dgettext(TEXT_DOMAIN, "cannot import '%s' as '%s'"), 1232fa9e4066Sahrens origname, thename); 1233fa9e4066Sahrens 1234fa9e4066Sahrens switch (errno) { 1235ea8dc4b6Seschrock case ENOTSUP: 1236ea8dc4b6Seschrock /* 1237ea8dc4b6Seschrock * Unsupported version. 1238ea8dc4b6Seschrock */ 123999653d4eSeschrock (void) zfs_error(hdl, EZFS_BADVERSION, desc); 1240ea8dc4b6Seschrock break; 1241ea8dc4b6Seschrock 1242b5989ec7Seschrock case EINVAL: 1243b5989ec7Seschrock (void) zfs_error(hdl, EZFS_INVALCONFIG, desc); 1244b5989ec7Seschrock break; 1245b5989ec7Seschrock 1246fa9e4066Sahrens default: 124799653d4eSeschrock (void) zpool_standard_error(hdl, errno, desc); 1248fa9e4066Sahrens } 1249fa9e4066Sahrens 1250fa9e4066Sahrens ret = -1; 1251fa9e4066Sahrens } else { 1252fa9e4066Sahrens zpool_handle_t *zhp; 1253ecd6cf80Smarks 1254fa9e4066Sahrens /* 1255fa9e4066Sahrens * This should never fail, but play it safe anyway. 1256fa9e4066Sahrens */ 125794de1d4cSeschrock if (zpool_open_silent(hdl, thename, &zhp) != 0) { 125894de1d4cSeschrock ret = -1; 125994de1d4cSeschrock } else if (zhp != NULL) { 1260fa9e4066Sahrens ret = zpool_create_zvol_links(zhp); 1261fa9e4066Sahrens zpool_close(zhp); 1262fa9e4066Sahrens } 1263ecd6cf80Smarks 1264fa9e4066Sahrens } 1265fa9e4066Sahrens 1266e9dbad6fSeschrock zcmd_free_nvlists(&zc); 1267351420b3Slling nvlist_free(props); 1268351420b3Slling 1269fa9e4066Sahrens return (ret); 1270fa9e4066Sahrens } 1271fa9e4066Sahrens 1272fa9e4066Sahrens /* 1273fa9e4066Sahrens * Scrub the pool. 1274fa9e4066Sahrens */ 1275fa9e4066Sahrens int 1276fa9e4066Sahrens zpool_scrub(zpool_handle_t *zhp, pool_scrub_type_t type) 1277fa9e4066Sahrens { 1278fa9e4066Sahrens zfs_cmd_t zc = { 0 }; 1279fa9e4066Sahrens char msg[1024]; 128099653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 1281fa9e4066Sahrens 1282fa9e4066Sahrens (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 1283fa9e4066Sahrens zc.zc_cookie = type; 1284fa9e4066Sahrens 1285ecd6cf80Smarks if (zfs_ioctl(zhp->zpool_hdl, ZFS_IOC_POOL_SCRUB, &zc) == 0) 1286fa9e4066Sahrens return (0); 1287fa9e4066Sahrens 1288fa9e4066Sahrens (void) snprintf(msg, sizeof (msg), 1289fa9e4066Sahrens dgettext(TEXT_DOMAIN, "cannot scrub %s"), zc.zc_name); 1290fa9e4066Sahrens 129199653d4eSeschrock if (errno == EBUSY) 129299653d4eSeschrock return (zfs_error(hdl, EZFS_RESILVERING, msg)); 129399653d4eSeschrock else 129499653d4eSeschrock return (zpool_standard_error(hdl, errno, msg)); 1295fa9e4066Sahrens } 1296fa9e4066Sahrens 1297a43d325bSek /* 1298a43d325bSek * 'avail_spare' is set to TRUE if the provided guid refers to an AVAIL 1299a43d325bSek * spare; but FALSE if its an INUSE spare. 1300a43d325bSek */ 130199653d4eSeschrock static nvlist_t * 130299653d4eSeschrock vdev_to_nvlist_iter(nvlist_t *nv, const char *search, uint64_t guid, 1303fa94a07fSbrendan boolean_t *avail_spare, boolean_t *l2cache) 1304ea8dc4b6Seschrock { 1305ea8dc4b6Seschrock uint_t c, children; 1306ea8dc4b6Seschrock nvlist_t **child; 130799653d4eSeschrock uint64_t theguid, present; 1308ea8dc4b6Seschrock char *path; 1309ea8dc4b6Seschrock uint64_t wholedisk = 0; 131099653d4eSeschrock nvlist_t *ret; 1311ea8dc4b6Seschrock 131299653d4eSeschrock verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &theguid) == 0); 1313ea8dc4b6Seschrock 1314ea8dc4b6Seschrock if (search == NULL && 1315ea8dc4b6Seschrock nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT, &present) == 0) { 1316ea8dc4b6Seschrock /* 1317ea8dc4b6Seschrock * If the device has never been present since import, the only 1318ea8dc4b6Seschrock * reliable way to match the vdev is by GUID. 1319ea8dc4b6Seschrock */ 132099653d4eSeschrock if (theguid == guid) 132199653d4eSeschrock return (nv); 1322ea8dc4b6Seschrock } else if (search != NULL && 1323ea8dc4b6Seschrock nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0) { 1324ea8dc4b6Seschrock (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_WHOLE_DISK, 1325ea8dc4b6Seschrock &wholedisk); 1326ea8dc4b6Seschrock if (wholedisk) { 1327ea8dc4b6Seschrock /* 1328ea8dc4b6Seschrock * For whole disks, the internal path has 's0', but the 1329ea8dc4b6Seschrock * path passed in by the user doesn't. 1330ea8dc4b6Seschrock */ 1331ea8dc4b6Seschrock if (strlen(search) == strlen(path) - 2 && 1332ea8dc4b6Seschrock strncmp(search, path, strlen(search)) == 0) 133399653d4eSeschrock return (nv); 1334ea8dc4b6Seschrock } else if (strcmp(search, path) == 0) { 133599653d4eSeschrock return (nv); 1336ea8dc4b6Seschrock } 1337ea8dc4b6Seschrock } 1338ea8dc4b6Seschrock 1339ea8dc4b6Seschrock if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 1340ea8dc4b6Seschrock &child, &children) != 0) 134199653d4eSeschrock return (NULL); 1342ea8dc4b6Seschrock 1343ea8dc4b6Seschrock for (c = 0; c < children; c++) 134499653d4eSeschrock if ((ret = vdev_to_nvlist_iter(child[c], search, guid, 1345fa94a07fSbrendan avail_spare, l2cache)) != NULL) 1346ea8dc4b6Seschrock return (ret); 1347ea8dc4b6Seschrock 134899653d4eSeschrock if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES, 134999653d4eSeschrock &child, &children) == 0) { 135099653d4eSeschrock for (c = 0; c < children; c++) { 135199653d4eSeschrock if ((ret = vdev_to_nvlist_iter(child[c], search, guid, 1352fa94a07fSbrendan avail_spare, l2cache)) != NULL) { 1353a43d325bSek *avail_spare = B_TRUE; 135499653d4eSeschrock return (ret); 135599653d4eSeschrock } 135699653d4eSeschrock } 135799653d4eSeschrock } 135899653d4eSeschrock 1359fa94a07fSbrendan if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE, 1360fa94a07fSbrendan &child, &children) == 0) { 1361fa94a07fSbrendan for (c = 0; c < children; c++) { 1362fa94a07fSbrendan if ((ret = vdev_to_nvlist_iter(child[c], search, guid, 1363fa94a07fSbrendan avail_spare, l2cache)) != NULL) { 1364fa94a07fSbrendan *l2cache = B_TRUE; 1365fa94a07fSbrendan return (ret); 1366fa94a07fSbrendan } 1367fa94a07fSbrendan } 1368fa94a07fSbrendan } 1369fa94a07fSbrendan 137099653d4eSeschrock return (NULL); 1371ea8dc4b6Seschrock } 1372ea8dc4b6Seschrock 137399653d4eSeschrock nvlist_t * 1374fa94a07fSbrendan zpool_find_vdev(zpool_handle_t *zhp, const char *path, boolean_t *avail_spare, 1375fa94a07fSbrendan boolean_t *l2cache) 1376ea8dc4b6Seschrock { 1377ea8dc4b6Seschrock char buf[MAXPATHLEN]; 1378ea8dc4b6Seschrock const char *search; 1379ea8dc4b6Seschrock char *end; 1380ea8dc4b6Seschrock nvlist_t *nvroot; 1381ea8dc4b6Seschrock uint64_t guid; 1382ea8dc4b6Seschrock 13830917b783Seschrock guid = strtoull(path, &end, 10); 1384ea8dc4b6Seschrock if (guid != 0 && *end == '\0') { 1385ea8dc4b6Seschrock search = NULL; 1386ea8dc4b6Seschrock } else if (path[0] != '/') { 1387ea8dc4b6Seschrock (void) snprintf(buf, sizeof (buf), "%s%s", "/dev/dsk/", path); 1388ea8dc4b6Seschrock search = buf; 1389ea8dc4b6Seschrock } else { 1390ea8dc4b6Seschrock search = path; 1391ea8dc4b6Seschrock } 1392ea8dc4b6Seschrock 1393ea8dc4b6Seschrock verify(nvlist_lookup_nvlist(zhp->zpool_config, ZPOOL_CONFIG_VDEV_TREE, 1394ea8dc4b6Seschrock &nvroot) == 0); 1395ea8dc4b6Seschrock 1396a43d325bSek *avail_spare = B_FALSE; 1397fa94a07fSbrendan *l2cache = B_FALSE; 1398fa94a07fSbrendan return (vdev_to_nvlist_iter(nvroot, search, guid, avail_spare, 1399fa94a07fSbrendan l2cache)); 1400a43d325bSek } 1401a43d325bSek 1402a43d325bSek /* 1403fa94a07fSbrendan * Returns TRUE if the given guid corresponds to the given type. 1404fa94a07fSbrendan * This is used to check for hot spares (INUSE or not), and level 2 cache 1405fa94a07fSbrendan * devices. 1406a43d325bSek */ 1407a43d325bSek static boolean_t 1408fa94a07fSbrendan is_guid_type(zpool_handle_t *zhp, uint64_t guid, const char *type) 1409a43d325bSek { 1410fa94a07fSbrendan uint64_t target_guid; 1411a43d325bSek nvlist_t *nvroot; 1412fa94a07fSbrendan nvlist_t **list; 1413fa94a07fSbrendan uint_t count; 1414a43d325bSek int i; 1415a43d325bSek 1416a43d325bSek verify(nvlist_lookup_nvlist(zhp->zpool_config, ZPOOL_CONFIG_VDEV_TREE, 1417a43d325bSek &nvroot) == 0); 1418fa94a07fSbrendan if (nvlist_lookup_nvlist_array(nvroot, type, &list, &count) == 0) { 1419fa94a07fSbrendan for (i = 0; i < count; i++) { 1420fa94a07fSbrendan verify(nvlist_lookup_uint64(list[i], ZPOOL_CONFIG_GUID, 1421fa94a07fSbrendan &target_guid) == 0); 1422fa94a07fSbrendan if (guid == target_guid) 1423a43d325bSek return (B_TRUE); 1424a43d325bSek } 1425a43d325bSek } 1426a43d325bSek 1427a43d325bSek return (B_FALSE); 1428ea8dc4b6Seschrock } 1429ea8dc4b6Seschrock 1430fa9e4066Sahrens /* 14313d7072f8Seschrock * Bring the specified vdev online. The 'flags' parameter is a set of the 14323d7072f8Seschrock * ZFS_ONLINE_* flags. 1433fa9e4066Sahrens */ 1434fa9e4066Sahrens int 14353d7072f8Seschrock zpool_vdev_online(zpool_handle_t *zhp, const char *path, int flags, 14363d7072f8Seschrock vdev_state_t *newstate) 1437fa9e4066Sahrens { 1438fa9e4066Sahrens zfs_cmd_t zc = { 0 }; 1439fa9e4066Sahrens char msg[1024]; 144099653d4eSeschrock nvlist_t *tgt; 1441fa94a07fSbrendan boolean_t avail_spare, l2cache; 144299653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 1443fa9e4066Sahrens 1444ea8dc4b6Seschrock (void) snprintf(msg, sizeof (msg), 1445ea8dc4b6Seschrock dgettext(TEXT_DOMAIN, "cannot online %s"), path); 1446ea8dc4b6Seschrock 1447fa9e4066Sahrens (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 1448fa94a07fSbrendan if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache)) == NULL) 144999653d4eSeschrock return (zfs_error(hdl, EZFS_NODEVICE, msg)); 1450fa9e4066Sahrens 145199653d4eSeschrock verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); 1452fa9e4066Sahrens 1453fa94a07fSbrendan if (avail_spare || 1454fa94a07fSbrendan is_guid_type(zhp, zc.zc_guid, ZPOOL_CONFIG_SPARES) == B_TRUE) 1455a43d325bSek return (zfs_error(hdl, EZFS_ISSPARE, msg)); 1456a43d325bSek 14573d7072f8Seschrock zc.zc_cookie = VDEV_STATE_ONLINE; 14583d7072f8Seschrock zc.zc_obj = flags; 1459fa9e4066Sahrens 1460ecd6cf80Smarks if (zfs_ioctl(zhp->zpool_hdl, ZFS_IOC_VDEV_SET_STATE, &zc) != 0) 14613d7072f8Seschrock return (zpool_standard_error(hdl, errno, msg)); 14623d7072f8Seschrock 14633d7072f8Seschrock *newstate = zc.zc_cookie; 14643d7072f8Seschrock return (0); 1465fa9e4066Sahrens } 1466fa9e4066Sahrens 1467fa9e4066Sahrens /* 1468fa9e4066Sahrens * Take the specified vdev offline 1469fa9e4066Sahrens */ 1470fa9e4066Sahrens int 14713d7072f8Seschrock zpool_vdev_offline(zpool_handle_t *zhp, const char *path, boolean_t istmp) 1472fa9e4066Sahrens { 1473fa9e4066Sahrens zfs_cmd_t zc = { 0 }; 1474fa9e4066Sahrens char msg[1024]; 147599653d4eSeschrock nvlist_t *tgt; 1476fa94a07fSbrendan boolean_t avail_spare, l2cache; 147799653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 1478fa9e4066Sahrens 1479ea8dc4b6Seschrock (void) snprintf(msg, sizeof (msg), 1480ea8dc4b6Seschrock dgettext(TEXT_DOMAIN, "cannot offline %s"), path); 1481ea8dc4b6Seschrock 1482fa9e4066Sahrens (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 1483fa94a07fSbrendan if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache)) == NULL) 148499653d4eSeschrock return (zfs_error(hdl, EZFS_NODEVICE, msg)); 148599653d4eSeschrock 148699653d4eSeschrock verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); 1487fa9e4066Sahrens 1488fa94a07fSbrendan if (avail_spare || 1489fa94a07fSbrendan is_guid_type(zhp, zc.zc_guid, ZPOOL_CONFIG_SPARES) == B_TRUE) 1490a43d325bSek return (zfs_error(hdl, EZFS_ISSPARE, msg)); 1491a43d325bSek 14923d7072f8Seschrock zc.zc_cookie = VDEV_STATE_OFFLINE; 14933d7072f8Seschrock zc.zc_obj = istmp ? ZFS_OFFLINE_TEMPORARY : 0; 14943d7072f8Seschrock 1495ecd6cf80Smarks if (zfs_ioctl(zhp->zpool_hdl, ZFS_IOC_VDEV_SET_STATE, &zc) == 0) 14963d7072f8Seschrock return (0); 14973d7072f8Seschrock 14983d7072f8Seschrock switch (errno) { 14993d7072f8Seschrock case EBUSY: 15003d7072f8Seschrock 15013d7072f8Seschrock /* 15023d7072f8Seschrock * There are no other replicas of this device. 15033d7072f8Seschrock */ 15043d7072f8Seschrock return (zfs_error(hdl, EZFS_NOREPLICAS, msg)); 15053d7072f8Seschrock 15063d7072f8Seschrock default: 15073d7072f8Seschrock return (zpool_standard_error(hdl, errno, msg)); 15083d7072f8Seschrock } 15093d7072f8Seschrock } 15103d7072f8Seschrock 15113d7072f8Seschrock /* 15123d7072f8Seschrock * Mark the given vdev faulted. 15133d7072f8Seschrock */ 15143d7072f8Seschrock int 15153d7072f8Seschrock zpool_vdev_fault(zpool_handle_t *zhp, uint64_t guid) 15163d7072f8Seschrock { 15173d7072f8Seschrock zfs_cmd_t zc = { 0 }; 15183d7072f8Seschrock char msg[1024]; 15193d7072f8Seschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 15203d7072f8Seschrock 15213d7072f8Seschrock (void) snprintf(msg, sizeof (msg), 15223d7072f8Seschrock dgettext(TEXT_DOMAIN, "cannot fault %llu"), guid); 1523441d80aaSlling 15243d7072f8Seschrock (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 15253d7072f8Seschrock zc.zc_guid = guid; 15263d7072f8Seschrock zc.zc_cookie = VDEV_STATE_FAULTED; 15273d7072f8Seschrock 15283d7072f8Seschrock if (ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_VDEV_SET_STATE, &zc) == 0) 1529fa9e4066Sahrens return (0); 1530fa9e4066Sahrens 1531fa9e4066Sahrens switch (errno) { 153299653d4eSeschrock case EBUSY: 1533fa9e4066Sahrens 1534fa9e4066Sahrens /* 1535fa9e4066Sahrens * There are no other replicas of this device. 1536fa9e4066Sahrens */ 153799653d4eSeschrock return (zfs_error(hdl, EZFS_NOREPLICAS, msg)); 1538fa9e4066Sahrens 153999653d4eSeschrock default: 154099653d4eSeschrock return (zpool_standard_error(hdl, errno, msg)); 1541fa9e4066Sahrens } 15423d7072f8Seschrock 15433d7072f8Seschrock } 15443d7072f8Seschrock 15453d7072f8Seschrock /* 15463d7072f8Seschrock * Mark the given vdev degraded. 15473d7072f8Seschrock */ 15483d7072f8Seschrock int 15493d7072f8Seschrock zpool_vdev_degrade(zpool_handle_t *zhp, uint64_t guid) 15503d7072f8Seschrock { 15513d7072f8Seschrock zfs_cmd_t zc = { 0 }; 15523d7072f8Seschrock char msg[1024]; 15533d7072f8Seschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 15543d7072f8Seschrock 15553d7072f8Seschrock (void) snprintf(msg, sizeof (msg), 15563d7072f8Seschrock dgettext(TEXT_DOMAIN, "cannot degrade %llu"), guid); 15573d7072f8Seschrock 15583d7072f8Seschrock (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 15593d7072f8Seschrock zc.zc_guid = guid; 15603d7072f8Seschrock zc.zc_cookie = VDEV_STATE_DEGRADED; 15613d7072f8Seschrock 15623d7072f8Seschrock if (ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_VDEV_SET_STATE, &zc) == 0) 15633d7072f8Seschrock return (0); 15643d7072f8Seschrock 15653d7072f8Seschrock return (zpool_standard_error(hdl, errno, msg)); 156699653d4eSeschrock } 156799653d4eSeschrock 156899653d4eSeschrock /* 156999653d4eSeschrock * Returns TRUE if the given nvlist is a vdev that was originally swapped in as 157099653d4eSeschrock * a hot spare. 157199653d4eSeschrock */ 157299653d4eSeschrock static boolean_t 157399653d4eSeschrock is_replacing_spare(nvlist_t *search, nvlist_t *tgt, int which) 157499653d4eSeschrock { 157599653d4eSeschrock nvlist_t **child; 157699653d4eSeschrock uint_t c, children; 157799653d4eSeschrock char *type; 157899653d4eSeschrock 157999653d4eSeschrock if (nvlist_lookup_nvlist_array(search, ZPOOL_CONFIG_CHILDREN, &child, 158099653d4eSeschrock &children) == 0) { 158199653d4eSeschrock verify(nvlist_lookup_string(search, ZPOOL_CONFIG_TYPE, 158299653d4eSeschrock &type) == 0); 158399653d4eSeschrock 158499653d4eSeschrock if (strcmp(type, VDEV_TYPE_SPARE) == 0 && 158599653d4eSeschrock children == 2 && child[which] == tgt) 158699653d4eSeschrock return (B_TRUE); 158799653d4eSeschrock 158899653d4eSeschrock for (c = 0; c < children; c++) 158999653d4eSeschrock if (is_replacing_spare(child[c], tgt, which)) 159099653d4eSeschrock return (B_TRUE); 159199653d4eSeschrock } 159299653d4eSeschrock 159399653d4eSeschrock return (B_FALSE); 1594fa9e4066Sahrens } 1595fa9e4066Sahrens 1596fa9e4066Sahrens /* 1597fa9e4066Sahrens * Attach new_disk (fully described by nvroot) to old_disk. 15988654d025Sperrin * If 'replacing' is specified, the new disk will replace the old one. 1599fa9e4066Sahrens */ 1600fa9e4066Sahrens int 1601fa9e4066Sahrens zpool_vdev_attach(zpool_handle_t *zhp, 1602fa9e4066Sahrens const char *old_disk, const char *new_disk, nvlist_t *nvroot, int replacing) 1603fa9e4066Sahrens { 1604fa9e4066Sahrens zfs_cmd_t zc = { 0 }; 1605fa9e4066Sahrens char msg[1024]; 1606fa9e4066Sahrens int ret; 160799653d4eSeschrock nvlist_t *tgt; 1608fa94a07fSbrendan boolean_t avail_spare, l2cache; 16098654d025Sperrin uint64_t val, is_log; 16100430f8daSeschrock char *path, *newname; 161199653d4eSeschrock nvlist_t **child; 161299653d4eSeschrock uint_t children; 161399653d4eSeschrock nvlist_t *config_root; 161499653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 1615fa9e4066Sahrens 1616ea8dc4b6Seschrock if (replacing) 1617ea8dc4b6Seschrock (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, 1618ea8dc4b6Seschrock "cannot replace %s with %s"), old_disk, new_disk); 1619ea8dc4b6Seschrock else 1620ea8dc4b6Seschrock (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, 1621ea8dc4b6Seschrock "cannot attach %s to %s"), new_disk, old_disk); 1622ea8dc4b6Seschrock 1623fa9e4066Sahrens (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 1624fa94a07fSbrendan if ((tgt = zpool_find_vdev(zhp, old_disk, &avail_spare, &l2cache)) == 0) 162599653d4eSeschrock return (zfs_error(hdl, EZFS_NODEVICE, msg)); 162699653d4eSeschrock 1627a43d325bSek if (avail_spare) 162899653d4eSeschrock return (zfs_error(hdl, EZFS_ISSPARE, msg)); 162999653d4eSeschrock 1630fa94a07fSbrendan if (l2cache) 1631fa94a07fSbrendan return (zfs_error(hdl, EZFS_ISL2CACHE, msg)); 1632fa94a07fSbrendan 163399653d4eSeschrock verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); 1634fa9e4066Sahrens zc.zc_cookie = replacing; 1635fa9e4066Sahrens 163699653d4eSeschrock if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN, 163799653d4eSeschrock &child, &children) != 0 || children != 1) { 163899653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 163999653d4eSeschrock "new device must be a single disk")); 164099653d4eSeschrock return (zfs_error(hdl, EZFS_INVALCONFIG, msg)); 164199653d4eSeschrock } 164299653d4eSeschrock 164399653d4eSeschrock verify(nvlist_lookup_nvlist(zpool_get_config(zhp, NULL), 164499653d4eSeschrock ZPOOL_CONFIG_VDEV_TREE, &config_root) == 0); 164599653d4eSeschrock 16460430f8daSeschrock if ((newname = zpool_vdev_name(NULL, NULL, child[0])) == NULL) 16470430f8daSeschrock return (-1); 16480430f8daSeschrock 164999653d4eSeschrock /* 165099653d4eSeschrock * If the target is a hot spare that has been swapped in, we can only 165199653d4eSeschrock * replace it with another hot spare. 165299653d4eSeschrock */ 165399653d4eSeschrock if (replacing && 165499653d4eSeschrock nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_IS_SPARE, &val) == 0 && 16550430f8daSeschrock (zpool_find_vdev(zhp, newname, &avail_spare, &l2cache) == NULL || 1656a43d325bSek !avail_spare) && is_replacing_spare(config_root, tgt, 1)) { 165799653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 165899653d4eSeschrock "can only be replaced by another hot spare")); 16590430f8daSeschrock free(newname); 166099653d4eSeschrock return (zfs_error(hdl, EZFS_BADTARGET, msg)); 166199653d4eSeschrock } 166299653d4eSeschrock 166399653d4eSeschrock /* 166499653d4eSeschrock * If we are attempting to replace a spare, it canot be applied to an 166599653d4eSeschrock * already spared device. 166699653d4eSeschrock */ 166799653d4eSeschrock if (replacing && 166899653d4eSeschrock nvlist_lookup_string(child[0], ZPOOL_CONFIG_PATH, &path) == 0 && 16690430f8daSeschrock zpool_find_vdev(zhp, newname, &avail_spare, &l2cache) != NULL && 1670fa94a07fSbrendan avail_spare && is_replacing_spare(config_root, tgt, 0)) { 167199653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 167299653d4eSeschrock "device has already been replaced with a spare")); 16730430f8daSeschrock free(newname); 167499653d4eSeschrock return (zfs_error(hdl, EZFS_BADTARGET, msg)); 167599653d4eSeschrock } 167699653d4eSeschrock 16770430f8daSeschrock free(newname); 16780430f8daSeschrock 1679990b4856Slling if (zcmd_write_conf_nvlist(hdl, &zc, nvroot) != 0) 168099653d4eSeschrock return (-1); 1681fa9e4066Sahrens 1682ecd6cf80Smarks ret = zfs_ioctl(zhp->zpool_hdl, ZFS_IOC_VDEV_ATTACH, &zc); 1683fa9e4066Sahrens 1684e9dbad6fSeschrock zcmd_free_nvlists(&zc); 1685fa9e4066Sahrens 1686fa9e4066Sahrens if (ret == 0) 1687fa9e4066Sahrens return (0); 1688fa9e4066Sahrens 1689fa9e4066Sahrens switch (errno) { 1690ea8dc4b6Seschrock case ENOTSUP: 1691fa9e4066Sahrens /* 1692fa9e4066Sahrens * Can't attach to or replace this type of vdev. 1693fa9e4066Sahrens */ 16948654d025Sperrin if (replacing) { 16958654d025Sperrin is_log = B_FALSE; 16968654d025Sperrin (void) nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_IS_LOG, 16978654d025Sperrin &is_log); 16988654d025Sperrin if (is_log) 16998654d025Sperrin zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 17008654d025Sperrin "cannot replace a log with a spare")); 17018654d025Sperrin else 17028654d025Sperrin zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 17038654d025Sperrin "cannot replace a replacing device")); 17048654d025Sperrin } else { 170599653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 170699653d4eSeschrock "can only attach to mirrors and top-level " 170799653d4eSeschrock "disks")); 17088654d025Sperrin } 170999653d4eSeschrock (void) zfs_error(hdl, EZFS_BADTARGET, msg); 1710fa9e4066Sahrens break; 1711fa9e4066Sahrens 1712ea8dc4b6Seschrock case EINVAL: 1713fa9e4066Sahrens /* 1714fa9e4066Sahrens * The new device must be a single disk. 1715fa9e4066Sahrens */ 171699653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 171799653d4eSeschrock "new device must be a single disk")); 171899653d4eSeschrock (void) zfs_error(hdl, EZFS_INVALCONFIG, msg); 1719fa9e4066Sahrens break; 1720fa9e4066Sahrens 1721ea8dc4b6Seschrock case EBUSY: 172299653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "%s is busy"), 172399653d4eSeschrock new_disk); 172499653d4eSeschrock (void) zfs_error(hdl, EZFS_BADDEV, msg); 1725fa9e4066Sahrens break; 1726fa9e4066Sahrens 1727ea8dc4b6Seschrock case EOVERFLOW: 1728fa9e4066Sahrens /* 1729fa9e4066Sahrens * The new device is too small. 1730fa9e4066Sahrens */ 173199653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 173299653d4eSeschrock "device is too small")); 173399653d4eSeschrock (void) zfs_error(hdl, EZFS_BADDEV, msg); 1734fa9e4066Sahrens break; 1735fa9e4066Sahrens 1736ea8dc4b6Seschrock case EDOM: 1737fa9e4066Sahrens /* 1738fa9e4066Sahrens * The new device has a different alignment requirement. 1739fa9e4066Sahrens */ 174099653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 174199653d4eSeschrock "devices have different sector alignment")); 174299653d4eSeschrock (void) zfs_error(hdl, EZFS_BADDEV, msg); 1743fa9e4066Sahrens break; 1744fa9e4066Sahrens 1745ea8dc4b6Seschrock case ENAMETOOLONG: 1746fa9e4066Sahrens /* 1747fa9e4066Sahrens * The resulting top-level vdev spec won't fit in the label. 1748fa9e4066Sahrens */ 174999653d4eSeschrock (void) zfs_error(hdl, EZFS_DEVOVERFLOW, msg); 1750fa9e4066Sahrens break; 1751fa9e4066Sahrens 1752ea8dc4b6Seschrock default: 175399653d4eSeschrock (void) zpool_standard_error(hdl, errno, msg); 1754fa9e4066Sahrens } 1755fa9e4066Sahrens 175699653d4eSeschrock return (-1); 1757fa9e4066Sahrens } 1758fa9e4066Sahrens 1759fa9e4066Sahrens /* 1760fa9e4066Sahrens * Detach the specified device. 1761fa9e4066Sahrens */ 1762fa9e4066Sahrens int 1763fa9e4066Sahrens zpool_vdev_detach(zpool_handle_t *zhp, const char *path) 1764fa9e4066Sahrens { 1765fa9e4066Sahrens zfs_cmd_t zc = { 0 }; 1766fa9e4066Sahrens char msg[1024]; 176799653d4eSeschrock nvlist_t *tgt; 1768fa94a07fSbrendan boolean_t avail_spare, l2cache; 176999653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 1770fa9e4066Sahrens 1771ea8dc4b6Seschrock (void) snprintf(msg, sizeof (msg), 1772ea8dc4b6Seschrock dgettext(TEXT_DOMAIN, "cannot detach %s"), path); 1773ea8dc4b6Seschrock 1774fa9e4066Sahrens (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 1775fa94a07fSbrendan if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache)) == 0) 177699653d4eSeschrock return (zfs_error(hdl, EZFS_NODEVICE, msg)); 1777fa9e4066Sahrens 1778a43d325bSek if (avail_spare) 177999653d4eSeschrock return (zfs_error(hdl, EZFS_ISSPARE, msg)); 178099653d4eSeschrock 1781fa94a07fSbrendan if (l2cache) 1782fa94a07fSbrendan return (zfs_error(hdl, EZFS_ISL2CACHE, msg)); 1783fa94a07fSbrendan 178499653d4eSeschrock verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); 178599653d4eSeschrock 1786ecd6cf80Smarks if (zfs_ioctl(hdl, ZFS_IOC_VDEV_DETACH, &zc) == 0) 1787fa9e4066Sahrens return (0); 1788fa9e4066Sahrens 1789fa9e4066Sahrens switch (errno) { 1790fa9e4066Sahrens 1791ea8dc4b6Seschrock case ENOTSUP: 1792fa9e4066Sahrens /* 1793fa9e4066Sahrens * Can't detach from this type of vdev. 1794fa9e4066Sahrens */ 179599653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "only " 179699653d4eSeschrock "applicable to mirror and replacing vdevs")); 179799653d4eSeschrock (void) zfs_error(zhp->zpool_hdl, EZFS_BADTARGET, msg); 1798fa9e4066Sahrens break; 1799fa9e4066Sahrens 1800ea8dc4b6Seschrock case EBUSY: 1801fa9e4066Sahrens /* 1802fa9e4066Sahrens * There are no other replicas of this device. 1803fa9e4066Sahrens */ 180499653d4eSeschrock (void) zfs_error(hdl, EZFS_NOREPLICAS, msg); 1805fa9e4066Sahrens break; 1806fa9e4066Sahrens 1807ea8dc4b6Seschrock default: 180899653d4eSeschrock (void) zpool_standard_error(hdl, errno, msg); 1809ea8dc4b6Seschrock } 1810ea8dc4b6Seschrock 181199653d4eSeschrock return (-1); 181299653d4eSeschrock } 181399653d4eSeschrock 181499653d4eSeschrock /* 1815fa94a07fSbrendan * Remove the given device. Currently, this is supported only for hot spares 1816fa94a07fSbrendan * and level 2 cache devices. 181799653d4eSeschrock */ 181899653d4eSeschrock int 181999653d4eSeschrock zpool_vdev_remove(zpool_handle_t *zhp, const char *path) 182099653d4eSeschrock { 182199653d4eSeschrock zfs_cmd_t zc = { 0 }; 182299653d4eSeschrock char msg[1024]; 182399653d4eSeschrock nvlist_t *tgt; 1824fa94a07fSbrendan boolean_t avail_spare, l2cache; 182599653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 182699653d4eSeschrock 182799653d4eSeschrock (void) snprintf(msg, sizeof (msg), 182899653d4eSeschrock dgettext(TEXT_DOMAIN, "cannot remove %s"), path); 182999653d4eSeschrock 183099653d4eSeschrock (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 1831fa94a07fSbrendan if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache)) == 0) 183299653d4eSeschrock return (zfs_error(hdl, EZFS_NODEVICE, msg)); 183399653d4eSeschrock 1834fa94a07fSbrendan if (!avail_spare && !l2cache) { 183599653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1836fa94a07fSbrendan "only inactive hot spares or cache devices " 1837fa94a07fSbrendan "can be removed")); 183899653d4eSeschrock return (zfs_error(hdl, EZFS_NODEVICE, msg)); 183999653d4eSeschrock } 184099653d4eSeschrock 184199653d4eSeschrock verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); 184299653d4eSeschrock 1843ecd6cf80Smarks if (zfs_ioctl(hdl, ZFS_IOC_VDEV_REMOVE, &zc) == 0) 184499653d4eSeschrock return (0); 184599653d4eSeschrock 184699653d4eSeschrock return (zpool_standard_error(hdl, errno, msg)); 1847ea8dc4b6Seschrock } 1848ea8dc4b6Seschrock 1849ea8dc4b6Seschrock /* 1850ea8dc4b6Seschrock * Clear the errors for the pool, or the particular device if specified. 1851ea8dc4b6Seschrock */ 1852ea8dc4b6Seschrock int 1853ea8dc4b6Seschrock zpool_clear(zpool_handle_t *zhp, const char *path) 1854ea8dc4b6Seschrock { 1855ea8dc4b6Seschrock zfs_cmd_t zc = { 0 }; 1856ea8dc4b6Seschrock char msg[1024]; 185799653d4eSeschrock nvlist_t *tgt; 1858fa94a07fSbrendan boolean_t avail_spare, l2cache; 185999653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 1860ea8dc4b6Seschrock 1861ea8dc4b6Seschrock if (path) 1862ea8dc4b6Seschrock (void) snprintf(msg, sizeof (msg), 1863ea8dc4b6Seschrock dgettext(TEXT_DOMAIN, "cannot clear errors for %s"), 1864e9dbad6fSeschrock path); 1865ea8dc4b6Seschrock else 1866ea8dc4b6Seschrock (void) snprintf(msg, sizeof (msg), 1867ea8dc4b6Seschrock dgettext(TEXT_DOMAIN, "cannot clear errors for %s"), 1868ea8dc4b6Seschrock zhp->zpool_name); 1869ea8dc4b6Seschrock 1870ea8dc4b6Seschrock (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 187199653d4eSeschrock if (path) { 1872fa94a07fSbrendan if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, 1873fa94a07fSbrendan &l2cache)) == 0) 187499653d4eSeschrock return (zfs_error(hdl, EZFS_NODEVICE, msg)); 1875ea8dc4b6Seschrock 1876fa94a07fSbrendan /* 1877fa94a07fSbrendan * Don't allow error clearing for hot spares. Do allow 1878fa94a07fSbrendan * error clearing for l2cache devices. 1879fa94a07fSbrendan */ 1880a43d325bSek if (avail_spare) 188199653d4eSeschrock return (zfs_error(hdl, EZFS_ISSPARE, msg)); 1882ea8dc4b6Seschrock 188399653d4eSeschrock verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, 188499653d4eSeschrock &zc.zc_guid) == 0); 1885fa9e4066Sahrens } 1886fa9e4066Sahrens 1887ecd6cf80Smarks if (zfs_ioctl(hdl, ZFS_IOC_CLEAR, &zc) == 0) 188899653d4eSeschrock return (0); 188999653d4eSeschrock 189099653d4eSeschrock return (zpool_standard_error(hdl, errno, msg)); 1891fa9e4066Sahrens } 1892fa9e4066Sahrens 18933d7072f8Seschrock /* 18943d7072f8Seschrock * Similar to zpool_clear(), but takes a GUID (used by fmd). 18953d7072f8Seschrock */ 18963d7072f8Seschrock int 18973d7072f8Seschrock zpool_vdev_clear(zpool_handle_t *zhp, uint64_t guid) 18983d7072f8Seschrock { 18993d7072f8Seschrock zfs_cmd_t zc = { 0 }; 19003d7072f8Seschrock char msg[1024]; 19013d7072f8Seschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 19023d7072f8Seschrock 19033d7072f8Seschrock (void) snprintf(msg, sizeof (msg), 19043d7072f8Seschrock dgettext(TEXT_DOMAIN, "cannot clear errors for %llx"), 19053d7072f8Seschrock guid); 19063d7072f8Seschrock 19073d7072f8Seschrock (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 19083d7072f8Seschrock zc.zc_guid = guid; 19093d7072f8Seschrock 19103d7072f8Seschrock if (ioctl(hdl->libzfs_fd, ZFS_IOC_CLEAR, &zc) == 0) 19113d7072f8Seschrock return (0); 19123d7072f8Seschrock 19133d7072f8Seschrock return (zpool_standard_error(hdl, errno, msg)); 19143d7072f8Seschrock } 19153d7072f8Seschrock 1916f3861e1aSahl /* 1917f3861e1aSahl * Iterate over all zvols in a given pool by walking the /dev/zvol/dsk/<pool> 1918f3861e1aSahl * hierarchy. 1919f3861e1aSahl */ 1920f3861e1aSahl int 1921f3861e1aSahl zpool_iter_zvol(zpool_handle_t *zhp, int (*cb)(const char *, void *), 1922f3861e1aSahl void *data) 1923fa9e4066Sahrens { 1924f3861e1aSahl libzfs_handle_t *hdl = zhp->zpool_hdl; 1925f3861e1aSahl char (*paths)[MAXPATHLEN]; 1926f3861e1aSahl size_t size = 4; 1927f3861e1aSahl int curr, fd, base, ret = 0; 1928f3861e1aSahl DIR *dirp; 1929f3861e1aSahl struct dirent *dp; 1930f3861e1aSahl struct stat st; 1931f3861e1aSahl 1932f3861e1aSahl if ((base = open("/dev/zvol/dsk", O_RDONLY)) < 0) 1933f3861e1aSahl return (errno == ENOENT ? 0 : -1); 1934f3861e1aSahl 1935f3861e1aSahl if (fstatat(base, zhp->zpool_name, &st, 0) != 0) { 1936f3861e1aSahl int err = errno; 1937f3861e1aSahl (void) close(base); 1938f3861e1aSahl return (err == ENOENT ? 0 : -1); 1939f3861e1aSahl } 1940fa9e4066Sahrens 1941fa9e4066Sahrens /* 1942f3861e1aSahl * Oddly this wasn't a directory -- ignore that failure since we 1943f3861e1aSahl * know there are no links lower in the (non-existant) hierarchy. 1944fa9e4066Sahrens */ 1945f3861e1aSahl if (!S_ISDIR(st.st_mode)) { 1946f3861e1aSahl (void) close(base); 1947f3861e1aSahl return (0); 1948fa9e4066Sahrens } 1949fa9e4066Sahrens 1950f3861e1aSahl if ((paths = zfs_alloc(hdl, size * sizeof (paths[0]))) == NULL) { 1951f3861e1aSahl (void) close(base); 1952f3861e1aSahl return (-1); 1953f3861e1aSahl } 1954f3861e1aSahl 1955f3861e1aSahl (void) strlcpy(paths[0], zhp->zpool_name, sizeof (paths[0])); 1956f3861e1aSahl curr = 0; 1957f3861e1aSahl 1958f3861e1aSahl while (curr >= 0) { 1959f3861e1aSahl if (fstatat(base, paths[curr], &st, AT_SYMLINK_NOFOLLOW) != 0) 1960f3861e1aSahl goto err; 1961f3861e1aSahl 1962f3861e1aSahl if (S_ISDIR(st.st_mode)) { 1963f3861e1aSahl if ((fd = openat(base, paths[curr], O_RDONLY)) < 0) 1964f3861e1aSahl goto err; 1965f3861e1aSahl 1966f3861e1aSahl if ((dirp = fdopendir(fd)) == NULL) { 1967f3861e1aSahl (void) close(fd); 1968f3861e1aSahl goto err; 1969f3861e1aSahl } 1970f3861e1aSahl 1971f3861e1aSahl while ((dp = readdir(dirp)) != NULL) { 1972f3861e1aSahl if (dp->d_name[0] == '.') 1973f3861e1aSahl continue; 1974f3861e1aSahl 1975f3861e1aSahl if (curr + 1 == size) { 1976f3861e1aSahl paths = zfs_realloc(hdl, paths, 1977f3861e1aSahl size * sizeof (paths[0]), 1978f3861e1aSahl size * 2 * sizeof (paths[0])); 1979f3861e1aSahl if (paths == NULL) { 1980f3861e1aSahl (void) closedir(dirp); 1981f3861e1aSahl (void) close(fd); 1982f3861e1aSahl goto err; 1983f3861e1aSahl } 1984f3861e1aSahl 1985f3861e1aSahl size *= 2; 1986f3861e1aSahl } 1987f3861e1aSahl 1988f3861e1aSahl (void) strlcpy(paths[curr + 1], paths[curr], 1989f3861e1aSahl sizeof (paths[curr + 1])); 1990f3861e1aSahl (void) strlcat(paths[curr], "/", 1991f3861e1aSahl sizeof (paths[curr])); 1992f3861e1aSahl (void) strlcat(paths[curr], dp->d_name, 1993f3861e1aSahl sizeof (paths[curr])); 1994f3861e1aSahl curr++; 1995f3861e1aSahl } 1996f3861e1aSahl 1997f3861e1aSahl (void) closedir(dirp); 1998f3861e1aSahl 1999f3861e1aSahl } else { 2000f3861e1aSahl if ((ret = cb(paths[curr], data)) != 0) 2001f3861e1aSahl break; 2002f3861e1aSahl } 2003f3861e1aSahl 2004f3861e1aSahl curr--; 2005f3861e1aSahl } 2006f3861e1aSahl 2007f3861e1aSahl free(paths); 2008f3861e1aSahl (void) close(base); 2009f3861e1aSahl 2010f3861e1aSahl return (ret); 2011f3861e1aSahl 2012f3861e1aSahl err: 2013f3861e1aSahl free(paths); 2014f3861e1aSahl (void) close(base); 2015f3861e1aSahl return (-1); 2016f3861e1aSahl } 2017f3861e1aSahl 2018f3861e1aSahl typedef struct zvol_cb { 2019f3861e1aSahl zpool_handle_t *zcb_pool; 2020f3861e1aSahl boolean_t zcb_create; 2021f3861e1aSahl } zvol_cb_t; 2022f3861e1aSahl 2023f3861e1aSahl /*ARGSUSED*/ 2024f3861e1aSahl static int 2025f3861e1aSahl do_zvol_create(zfs_handle_t *zhp, void *data) 2026f3861e1aSahl { 20273aefe2c7Sahrens int ret = 0; 2028f3861e1aSahl 20293aefe2c7Sahrens if (ZFS_IS_VOLUME(zhp)) { 2030f3861e1aSahl (void) zvol_create_link(zhp->zfs_hdl, zhp->zfs_name); 20313aefe2c7Sahrens ret = zfs_iter_snapshots(zhp, do_zvol_create, NULL); 20323aefe2c7Sahrens } 2033f3861e1aSahl 20343aefe2c7Sahrens if (ret == 0) 20353aefe2c7Sahrens ret = zfs_iter_filesystems(zhp, do_zvol_create, NULL); 2036fa9e4066Sahrens 2037fa9e4066Sahrens zfs_close(zhp); 2038f3861e1aSahl 2039fa9e4066Sahrens return (ret); 2040fa9e4066Sahrens } 2041fa9e4066Sahrens 2042fa9e4066Sahrens /* 2043fa9e4066Sahrens * Iterate over all zvols in the pool and make any necessary minor nodes. 2044fa9e4066Sahrens */ 2045fa9e4066Sahrens int 2046fa9e4066Sahrens zpool_create_zvol_links(zpool_handle_t *zhp) 2047fa9e4066Sahrens { 2048fa9e4066Sahrens zfs_handle_t *zfp; 2049fa9e4066Sahrens int ret; 2050fa9e4066Sahrens 2051fa9e4066Sahrens /* 2052fa9e4066Sahrens * If the pool is unavailable, just return success. 2053fa9e4066Sahrens */ 205499653d4eSeschrock if ((zfp = make_dataset_handle(zhp->zpool_hdl, 205599653d4eSeschrock zhp->zpool_name)) == NULL) 2056fa9e4066Sahrens return (0); 2057fa9e4066Sahrens 20583aefe2c7Sahrens ret = zfs_iter_filesystems(zfp, do_zvol_create, NULL); 2059fa9e4066Sahrens 2060fa9e4066Sahrens zfs_close(zfp); 2061fa9e4066Sahrens return (ret); 2062fa9e4066Sahrens } 2063fa9e4066Sahrens 2064f3861e1aSahl static int 2065f3861e1aSahl do_zvol_remove(const char *dataset, void *data) 2066f3861e1aSahl { 2067f3861e1aSahl zpool_handle_t *zhp = data; 2068f3861e1aSahl 2069f3861e1aSahl return (zvol_remove_link(zhp->zpool_hdl, dataset)); 2070f3861e1aSahl } 2071f3861e1aSahl 2072fa9e4066Sahrens /* 2073f3861e1aSahl * Iterate over all zvols in the pool and remove any minor nodes. We iterate 2074f3861e1aSahl * by examining the /dev links so that a corrupted pool doesn't impede this 2075f3861e1aSahl * operation. 2076fa9e4066Sahrens */ 2077fa9e4066Sahrens int 2078fa9e4066Sahrens zpool_remove_zvol_links(zpool_handle_t *zhp) 2079fa9e4066Sahrens { 2080f3861e1aSahl return (zpool_iter_zvol(zhp, do_zvol_remove, zhp)); 2081fa9e4066Sahrens } 2082c67d9675Seschrock 2083c67d9675Seschrock /* 2084c67d9675Seschrock * Convert from a devid string to a path. 2085c67d9675Seschrock */ 2086c67d9675Seschrock static char * 2087c67d9675Seschrock devid_to_path(char *devid_str) 2088c67d9675Seschrock { 2089c67d9675Seschrock ddi_devid_t devid; 2090c67d9675Seschrock char *minor; 2091c67d9675Seschrock char *path; 2092c67d9675Seschrock devid_nmlist_t *list = NULL; 2093c67d9675Seschrock int ret; 2094c67d9675Seschrock 2095c67d9675Seschrock if (devid_str_decode(devid_str, &devid, &minor) != 0) 2096c67d9675Seschrock return (NULL); 2097c67d9675Seschrock 2098c67d9675Seschrock ret = devid_deviceid_to_nmlist("/dev", devid, minor, &list); 2099c67d9675Seschrock 2100c67d9675Seschrock devid_str_free(minor); 2101c67d9675Seschrock devid_free(devid); 2102c67d9675Seschrock 2103c67d9675Seschrock if (ret != 0) 2104c67d9675Seschrock return (NULL); 2105c67d9675Seschrock 210699653d4eSeschrock if ((path = strdup(list[0].devname)) == NULL) 210799653d4eSeschrock return (NULL); 210899653d4eSeschrock 2109c67d9675Seschrock devid_free_nmlist(list); 2110c67d9675Seschrock 2111c67d9675Seschrock return (path); 2112c67d9675Seschrock } 2113c67d9675Seschrock 2114c67d9675Seschrock /* 2115c67d9675Seschrock * Convert from a path to a devid string. 2116c67d9675Seschrock */ 2117c67d9675Seschrock static char * 2118c67d9675Seschrock path_to_devid(const char *path) 2119c67d9675Seschrock { 2120c67d9675Seschrock int fd; 2121c67d9675Seschrock ddi_devid_t devid; 2122c67d9675Seschrock char *minor, *ret; 2123c67d9675Seschrock 2124c67d9675Seschrock if ((fd = open(path, O_RDONLY)) < 0) 2125c67d9675Seschrock return (NULL); 2126c67d9675Seschrock 2127c67d9675Seschrock minor = NULL; 2128c67d9675Seschrock ret = NULL; 2129c67d9675Seschrock if (devid_get(fd, &devid) == 0) { 2130c67d9675Seschrock if (devid_get_minor_name(fd, &minor) == 0) 2131c67d9675Seschrock ret = devid_str_encode(devid, minor); 2132c67d9675Seschrock if (minor != NULL) 2133c67d9675Seschrock devid_str_free(minor); 2134c67d9675Seschrock devid_free(devid); 2135c67d9675Seschrock } 2136c67d9675Seschrock (void) close(fd); 2137c67d9675Seschrock 2138c67d9675Seschrock return (ret); 2139c67d9675Seschrock } 2140c67d9675Seschrock 2141c67d9675Seschrock /* 2142c67d9675Seschrock * Issue the necessary ioctl() to update the stored path value for the vdev. We 2143c67d9675Seschrock * ignore any failure here, since a common case is for an unprivileged user to 2144c67d9675Seschrock * type 'zpool status', and we'll display the correct information anyway. 2145c67d9675Seschrock */ 2146c67d9675Seschrock static void 2147c67d9675Seschrock set_path(zpool_handle_t *zhp, nvlist_t *nv, const char *path) 2148c67d9675Seschrock { 2149c67d9675Seschrock zfs_cmd_t zc = { 0 }; 2150c67d9675Seschrock 2151c67d9675Seschrock (void) strncpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 2152e9dbad6fSeschrock (void) strncpy(zc.zc_value, path, sizeof (zc.zc_value)); 2153c67d9675Seschrock verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, 2154ea8dc4b6Seschrock &zc.zc_guid) == 0); 2155c67d9675Seschrock 215699653d4eSeschrock (void) ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_VDEV_SETPATH, &zc); 2157c67d9675Seschrock } 2158c67d9675Seschrock 2159c67d9675Seschrock /* 2160c67d9675Seschrock * Given a vdev, return the name to display in iostat. If the vdev has a path, 2161c67d9675Seschrock * we use that, stripping off any leading "/dev/dsk/"; if not, we use the type. 2162c67d9675Seschrock * We also check if this is a whole disk, in which case we strip off the 2163c67d9675Seschrock * trailing 's0' slice name. 2164c67d9675Seschrock * 2165c67d9675Seschrock * This routine is also responsible for identifying when disks have been 2166c67d9675Seschrock * reconfigured in a new location. The kernel will have opened the device by 2167c67d9675Seschrock * devid, but the path will still refer to the old location. To catch this, we 2168c67d9675Seschrock * first do a path -> devid translation (which is fast for the common case). If 2169c67d9675Seschrock * the devid matches, we're done. If not, we do a reverse devid -> path 2170c67d9675Seschrock * translation and issue the appropriate ioctl() to update the path of the vdev. 2171c67d9675Seschrock * If 'zhp' is NULL, then this is an exported pool, and we don't need to do any 2172c67d9675Seschrock * of these checks. 2173c67d9675Seschrock */ 2174c67d9675Seschrock char * 217599653d4eSeschrock zpool_vdev_name(libzfs_handle_t *hdl, zpool_handle_t *zhp, nvlist_t *nv) 2176c67d9675Seschrock { 2177c67d9675Seschrock char *path, *devid; 2178ea8dc4b6Seschrock uint64_t value; 2179ea8dc4b6Seschrock char buf[64]; 21803d7072f8Seschrock vdev_stat_t *vs; 21813d7072f8Seschrock uint_t vsc; 2182c67d9675Seschrock 2183ea8dc4b6Seschrock if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT, 2184ea8dc4b6Seschrock &value) == 0) { 2185ea8dc4b6Seschrock verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, 2186ea8dc4b6Seschrock &value) == 0); 21875ad82045Snd (void) snprintf(buf, sizeof (buf), "%llu", 21885ad82045Snd (u_longlong_t)value); 2189ea8dc4b6Seschrock path = buf; 2190ea8dc4b6Seschrock } else if (nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0) { 2191c67d9675Seschrock 21923d7072f8Seschrock /* 21933d7072f8Seschrock * If the device is dead (faulted, offline, etc) then don't 21943d7072f8Seschrock * bother opening it. Otherwise we may be forcing the user to 21953d7072f8Seschrock * open a misbehaving device, which can have undesirable 21963d7072f8Seschrock * effects. 21973d7072f8Seschrock */ 21983d7072f8Seschrock if ((nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_STATS, 21993d7072f8Seschrock (uint64_t **)&vs, &vsc) != 0 || 22003d7072f8Seschrock vs->vs_state >= VDEV_STATE_DEGRADED) && 22013d7072f8Seschrock zhp != NULL && 2202c67d9675Seschrock nvlist_lookup_string(nv, ZPOOL_CONFIG_DEVID, &devid) == 0) { 2203c67d9675Seschrock /* 2204c67d9675Seschrock * Determine if the current path is correct. 2205c67d9675Seschrock */ 2206c67d9675Seschrock char *newdevid = path_to_devid(path); 2207c67d9675Seschrock 2208c67d9675Seschrock if (newdevid == NULL || 2209c67d9675Seschrock strcmp(devid, newdevid) != 0) { 2210c67d9675Seschrock char *newpath; 2211c67d9675Seschrock 2212c67d9675Seschrock if ((newpath = devid_to_path(devid)) != NULL) { 2213c67d9675Seschrock /* 2214c67d9675Seschrock * Update the path appropriately. 2215c67d9675Seschrock */ 2216c67d9675Seschrock set_path(zhp, nv, newpath); 221799653d4eSeschrock if (nvlist_add_string(nv, 221899653d4eSeschrock ZPOOL_CONFIG_PATH, newpath) == 0) 221999653d4eSeschrock verify(nvlist_lookup_string(nv, 222099653d4eSeschrock ZPOOL_CONFIG_PATH, 222199653d4eSeschrock &path) == 0); 2222c67d9675Seschrock free(newpath); 2223c67d9675Seschrock } 2224c67d9675Seschrock } 2225c67d9675Seschrock 222699653d4eSeschrock if (newdevid) 222799653d4eSeschrock devid_str_free(newdevid); 2228c67d9675Seschrock } 2229c67d9675Seschrock 2230c67d9675Seschrock if (strncmp(path, "/dev/dsk/", 9) == 0) 2231c67d9675Seschrock path += 9; 2232c67d9675Seschrock 2233c67d9675Seschrock if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_WHOLE_DISK, 2234ea8dc4b6Seschrock &value) == 0 && value) { 223599653d4eSeschrock char *tmp = zfs_strdup(hdl, path); 223699653d4eSeschrock if (tmp == NULL) 223799653d4eSeschrock return (NULL); 2238c67d9675Seschrock tmp[strlen(path) - 2] = '\0'; 2239c67d9675Seschrock return (tmp); 2240c67d9675Seschrock } 2241c67d9675Seschrock } else { 2242c67d9675Seschrock verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &path) == 0); 224399653d4eSeschrock 224499653d4eSeschrock /* 224599653d4eSeschrock * If it's a raidz device, we need to stick in the parity level. 224699653d4eSeschrock */ 224799653d4eSeschrock if (strcmp(path, VDEV_TYPE_RAIDZ) == 0) { 224899653d4eSeschrock verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NPARITY, 224999653d4eSeschrock &value) == 0); 225099653d4eSeschrock (void) snprintf(buf, sizeof (buf), "%s%llu", path, 22515ad82045Snd (u_longlong_t)value); 225299653d4eSeschrock path = buf; 225399653d4eSeschrock } 2254c67d9675Seschrock } 2255c67d9675Seschrock 225699653d4eSeschrock return (zfs_strdup(hdl, path)); 2257c67d9675Seschrock } 2258ea8dc4b6Seschrock 2259ea8dc4b6Seschrock static int 2260ea8dc4b6Seschrock zbookmark_compare(const void *a, const void *b) 2261ea8dc4b6Seschrock { 2262ea8dc4b6Seschrock return (memcmp(a, b, sizeof (zbookmark_t))); 2263ea8dc4b6Seschrock } 2264ea8dc4b6Seschrock 2265ea8dc4b6Seschrock /* 2266ea8dc4b6Seschrock * Retrieve the persistent error log, uniquify the members, and return to the 2267ea8dc4b6Seschrock * caller. 2268ea8dc4b6Seschrock */ 2269ea8dc4b6Seschrock int 227055434c77Sek zpool_get_errlog(zpool_handle_t *zhp, nvlist_t **nverrlistp) 2271ea8dc4b6Seschrock { 2272ea8dc4b6Seschrock zfs_cmd_t zc = { 0 }; 2273ea8dc4b6Seschrock uint64_t count; 2274e9dbad6fSeschrock zbookmark_t *zb = NULL; 227555434c77Sek int i; 2276ea8dc4b6Seschrock 2277ea8dc4b6Seschrock /* 2278ea8dc4b6Seschrock * Retrieve the raw error list from the kernel. If the number of errors 2279ea8dc4b6Seschrock * has increased, allocate more space and continue until we get the 2280ea8dc4b6Seschrock * entire list. 2281ea8dc4b6Seschrock */ 2282ea8dc4b6Seschrock verify(nvlist_lookup_uint64(zhp->zpool_config, ZPOOL_CONFIG_ERRCOUNT, 2283ea8dc4b6Seschrock &count) == 0); 228475519f38Sek if (count == 0) 228575519f38Sek return (0); 2286e9dbad6fSeschrock if ((zc.zc_nvlist_dst = (uintptr_t)zfs_alloc(zhp->zpool_hdl, 22875ad82045Snd count * sizeof (zbookmark_t))) == (uintptr_t)NULL) 228899653d4eSeschrock return (-1); 2289e9dbad6fSeschrock zc.zc_nvlist_dst_size = count; 2290ea8dc4b6Seschrock (void) strcpy(zc.zc_name, zhp->zpool_name); 2291ea8dc4b6Seschrock for (;;) { 229299653d4eSeschrock if (ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_ERROR_LOG, 229399653d4eSeschrock &zc) != 0) { 2294e9dbad6fSeschrock free((void *)(uintptr_t)zc.zc_nvlist_dst); 2295ea8dc4b6Seschrock if (errno == ENOMEM) { 2296bf561db0Svb count = zc.zc_nvlist_dst_size; 2297e9dbad6fSeschrock if ((zc.zc_nvlist_dst = (uintptr_t) 2298bf561db0Svb zfs_alloc(zhp->zpool_hdl, count * 2299bf561db0Svb sizeof (zbookmark_t))) == (uintptr_t)NULL) 230099653d4eSeschrock return (-1); 2301ea8dc4b6Seschrock } else { 2302ea8dc4b6Seschrock return (-1); 2303ea8dc4b6Seschrock } 2304ea8dc4b6Seschrock } else { 2305ea8dc4b6Seschrock break; 2306ea8dc4b6Seschrock } 2307ea8dc4b6Seschrock } 2308ea8dc4b6Seschrock 2309ea8dc4b6Seschrock /* 2310ea8dc4b6Seschrock * Sort the resulting bookmarks. This is a little confusing due to the 2311ea8dc4b6Seschrock * implementation of ZFS_IOC_ERROR_LOG. The bookmarks are copied last 2312e9dbad6fSeschrock * to first, and 'zc_nvlist_dst_size' indicates the number of boomarks 2313ea8dc4b6Seschrock * _not_ copied as part of the process. So we point the start of our 2314ea8dc4b6Seschrock * array appropriate and decrement the total number of elements. 2315ea8dc4b6Seschrock */ 2316e9dbad6fSeschrock zb = ((zbookmark_t *)(uintptr_t)zc.zc_nvlist_dst) + 2317e9dbad6fSeschrock zc.zc_nvlist_dst_size; 2318e9dbad6fSeschrock count -= zc.zc_nvlist_dst_size; 2319ea8dc4b6Seschrock 2320ea8dc4b6Seschrock qsort(zb, count, sizeof (zbookmark_t), zbookmark_compare); 2321ea8dc4b6Seschrock 232255434c77Sek verify(nvlist_alloc(nverrlistp, 0, KM_SLEEP) == 0); 2323ea8dc4b6Seschrock 2324ea8dc4b6Seschrock /* 232555434c77Sek * Fill in the nverrlistp with nvlist's of dataset and object numbers. 2326ea8dc4b6Seschrock */ 2327ea8dc4b6Seschrock for (i = 0; i < count; i++) { 2328ea8dc4b6Seschrock nvlist_t *nv; 2329ea8dc4b6Seschrock 2330c0a81264Sek /* ignoring zb_blkid and zb_level for now */ 2331c0a81264Sek if (i > 0 && zb[i-1].zb_objset == zb[i].zb_objset && 2332c0a81264Sek zb[i-1].zb_object == zb[i].zb_object) 2333ea8dc4b6Seschrock continue; 2334ea8dc4b6Seschrock 233555434c77Sek if (nvlist_alloc(&nv, NV_UNIQUE_NAME, KM_SLEEP) != 0) 233655434c77Sek goto nomem; 233755434c77Sek if (nvlist_add_uint64(nv, ZPOOL_ERR_DATASET, 233855434c77Sek zb[i].zb_objset) != 0) { 233955434c77Sek nvlist_free(nv); 234099653d4eSeschrock goto nomem; 2341ea8dc4b6Seschrock } 234255434c77Sek if (nvlist_add_uint64(nv, ZPOOL_ERR_OBJECT, 234355434c77Sek zb[i].zb_object) != 0) { 234455434c77Sek nvlist_free(nv); 234555434c77Sek goto nomem; 234655434c77Sek } 234755434c77Sek if (nvlist_add_nvlist(*nverrlistp, "ejk", nv) != 0) { 234855434c77Sek nvlist_free(nv); 234955434c77Sek goto nomem; 235055434c77Sek } 235155434c77Sek nvlist_free(nv); 2352ea8dc4b6Seschrock } 2353ea8dc4b6Seschrock 23543ccfa83cSahrens free((void *)(uintptr_t)zc.zc_nvlist_dst); 2355ea8dc4b6Seschrock return (0); 235699653d4eSeschrock 235799653d4eSeschrock nomem: 2358e9dbad6fSeschrock free((void *)(uintptr_t)zc.zc_nvlist_dst); 235999653d4eSeschrock return (no_memory(zhp->zpool_hdl)); 2360ea8dc4b6Seschrock } 2361eaca9bbdSeschrock 2362eaca9bbdSeschrock /* 2363eaca9bbdSeschrock * Upgrade a ZFS pool to the latest on-disk version. 2364eaca9bbdSeschrock */ 2365eaca9bbdSeschrock int 2366990b4856Slling zpool_upgrade(zpool_handle_t *zhp, uint64_t new_version) 2367eaca9bbdSeschrock { 2368eaca9bbdSeschrock zfs_cmd_t zc = { 0 }; 236999653d4eSeschrock libzfs_handle_t *hdl = zhp->zpool_hdl; 2370eaca9bbdSeschrock 2371eaca9bbdSeschrock (void) strcpy(zc.zc_name, zhp->zpool_name); 2372990b4856Slling zc.zc_cookie = new_version; 2373990b4856Slling 2374ecd6cf80Smarks if (zfs_ioctl(hdl, ZFS_IOC_POOL_UPGRADE, &zc) != 0) 2375ece3d9b3Slling return (zpool_standard_error_fmt(hdl, errno, 237699653d4eSeschrock dgettext(TEXT_DOMAIN, "cannot upgrade '%s'"), 237799653d4eSeschrock zhp->zpool_name)); 2378eaca9bbdSeschrock return (0); 2379eaca9bbdSeschrock } 238006eeb2adSek 238106eeb2adSek void 23822a6b87f0Sek zpool_set_history_str(const char *subcommand, int argc, char **argv, 23832a6b87f0Sek char *history_str) 238406eeb2adSek { 238506eeb2adSek int i; 238606eeb2adSek 23872a6b87f0Sek (void) strlcpy(history_str, subcommand, HIS_MAX_RECORD_LEN); 23882a6b87f0Sek for (i = 1; i < argc; i++) { 23892a6b87f0Sek if (strlen(history_str) + 1 + strlen(argv[i]) > 23902a6b87f0Sek HIS_MAX_RECORD_LEN) 23912a6b87f0Sek break; 23922a6b87f0Sek (void) strlcat(history_str, " ", HIS_MAX_RECORD_LEN); 23932a6b87f0Sek (void) strlcat(history_str, argv[i], HIS_MAX_RECORD_LEN); 23942a6b87f0Sek } 23952a6b87f0Sek } 23962a6b87f0Sek 23972a6b87f0Sek /* 23982a6b87f0Sek * Stage command history for logging. 23992a6b87f0Sek */ 24002a6b87f0Sek int 24012a6b87f0Sek zpool_stage_history(libzfs_handle_t *hdl, const char *history_str) 24022a6b87f0Sek { 24032a6b87f0Sek if (history_str == NULL) 24042a6b87f0Sek return (EINVAL); 24052a6b87f0Sek 24062a6b87f0Sek if (strlen(history_str) > HIS_MAX_RECORD_LEN) 24072a6b87f0Sek return (EINVAL); 24082a6b87f0Sek 2409228975ccSek if (hdl->libzfs_log_str != NULL) 2410ecd6cf80Smarks free(hdl->libzfs_log_str); 241106eeb2adSek 24122a6b87f0Sek if ((hdl->libzfs_log_str = strdup(history_str)) == NULL) 24132a6b87f0Sek return (no_memory(hdl)); 241406eeb2adSek 24152a6b87f0Sek return (0); 241606eeb2adSek } 241706eeb2adSek 241806eeb2adSek /* 241906eeb2adSek * Perform ioctl to get some command history of a pool. 242006eeb2adSek * 242106eeb2adSek * 'buf' is the buffer to fill up to 'len' bytes. 'off' is the 242206eeb2adSek * logical offset of the history buffer to start reading from. 242306eeb2adSek * 242406eeb2adSek * Upon return, 'off' is the next logical offset to read from and 242506eeb2adSek * 'len' is the actual amount of bytes read into 'buf'. 242606eeb2adSek */ 242706eeb2adSek static int 242806eeb2adSek get_history(zpool_handle_t *zhp, char *buf, uint64_t *off, uint64_t *len) 242906eeb2adSek { 243006eeb2adSek zfs_cmd_t zc = { 0 }; 243106eeb2adSek libzfs_handle_t *hdl = zhp->zpool_hdl; 243206eeb2adSek 243306eeb2adSek (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 243406eeb2adSek 243506eeb2adSek zc.zc_history = (uint64_t)(uintptr_t)buf; 243606eeb2adSek zc.zc_history_len = *len; 243706eeb2adSek zc.zc_history_offset = *off; 243806eeb2adSek 243906eeb2adSek if (ioctl(hdl->libzfs_fd, ZFS_IOC_POOL_GET_HISTORY, &zc) != 0) { 244006eeb2adSek switch (errno) { 244106eeb2adSek case EPERM: 2442ece3d9b3Slling return (zfs_error_fmt(hdl, EZFS_PERM, 2443ece3d9b3Slling dgettext(TEXT_DOMAIN, 244406eeb2adSek "cannot show history for pool '%s'"), 244506eeb2adSek zhp->zpool_name)); 244606eeb2adSek case ENOENT: 2447ece3d9b3Slling return (zfs_error_fmt(hdl, EZFS_NOHISTORY, 244806eeb2adSek dgettext(TEXT_DOMAIN, "cannot get history for pool " 244906eeb2adSek "'%s'"), zhp->zpool_name)); 2450d7306b64Sek case ENOTSUP: 2451d7306b64Sek return (zfs_error_fmt(hdl, EZFS_BADVERSION, 2452d7306b64Sek dgettext(TEXT_DOMAIN, "cannot get history for pool " 2453d7306b64Sek "'%s', pool must be upgraded"), zhp->zpool_name)); 245406eeb2adSek default: 2455ece3d9b3Slling return (zpool_standard_error_fmt(hdl, errno, 245606eeb2adSek dgettext(TEXT_DOMAIN, 245706eeb2adSek "cannot get history for '%s'"), zhp->zpool_name)); 245806eeb2adSek } 245906eeb2adSek } 246006eeb2adSek 246106eeb2adSek *len = zc.zc_history_len; 246206eeb2adSek *off = zc.zc_history_offset; 246306eeb2adSek 246406eeb2adSek return (0); 246506eeb2adSek } 246606eeb2adSek 246706eeb2adSek /* 246806eeb2adSek * Process the buffer of nvlists, unpacking and storing each nvlist record 246906eeb2adSek * into 'records'. 'leftover' is set to the number of bytes that weren't 247006eeb2adSek * processed as there wasn't a complete record. 247106eeb2adSek */ 247206eeb2adSek static int 247306eeb2adSek zpool_history_unpack(char *buf, uint64_t bytes_read, uint64_t *leftover, 247406eeb2adSek nvlist_t ***records, uint_t *numrecords) 247506eeb2adSek { 247606eeb2adSek uint64_t reclen; 247706eeb2adSek nvlist_t *nv; 247806eeb2adSek int i; 247906eeb2adSek 248006eeb2adSek while (bytes_read > sizeof (reclen)) { 248106eeb2adSek 248206eeb2adSek /* get length of packed record (stored as little endian) */ 248306eeb2adSek for (i = 0, reclen = 0; i < sizeof (reclen); i++) 248406eeb2adSek reclen += (uint64_t)(((uchar_t *)buf)[i]) << (8*i); 248506eeb2adSek 248606eeb2adSek if (bytes_read < sizeof (reclen) + reclen) 248706eeb2adSek break; 248806eeb2adSek 248906eeb2adSek /* unpack record */ 249006eeb2adSek if (nvlist_unpack(buf + sizeof (reclen), reclen, &nv, 0) != 0) 249106eeb2adSek return (ENOMEM); 249206eeb2adSek bytes_read -= sizeof (reclen) + reclen; 249306eeb2adSek buf += sizeof (reclen) + reclen; 249406eeb2adSek 249506eeb2adSek /* add record to nvlist array */ 249606eeb2adSek (*numrecords)++; 249706eeb2adSek if (ISP2(*numrecords + 1)) { 249806eeb2adSek *records = realloc(*records, 249906eeb2adSek *numrecords * 2 * sizeof (nvlist_t *)); 250006eeb2adSek } 250106eeb2adSek (*records)[*numrecords - 1] = nv; 250206eeb2adSek } 250306eeb2adSek 250406eeb2adSek *leftover = bytes_read; 250506eeb2adSek return (0); 250606eeb2adSek } 250706eeb2adSek 250806eeb2adSek #define HIS_BUF_LEN (128*1024) 250906eeb2adSek 251006eeb2adSek /* 251106eeb2adSek * Retrieve the command history of a pool. 251206eeb2adSek */ 251306eeb2adSek int 251406eeb2adSek zpool_get_history(zpool_handle_t *zhp, nvlist_t **nvhisp) 251506eeb2adSek { 251606eeb2adSek char buf[HIS_BUF_LEN]; 251706eeb2adSek uint64_t off = 0; 251806eeb2adSek nvlist_t **records = NULL; 251906eeb2adSek uint_t numrecords = 0; 252006eeb2adSek int err, i; 252106eeb2adSek 252206eeb2adSek do { 252306eeb2adSek uint64_t bytes_read = sizeof (buf); 252406eeb2adSek uint64_t leftover; 252506eeb2adSek 252606eeb2adSek if ((err = get_history(zhp, buf, &off, &bytes_read)) != 0) 252706eeb2adSek break; 252806eeb2adSek 252906eeb2adSek /* if nothing else was read in, we're at EOF, just return */ 253006eeb2adSek if (!bytes_read) 253106eeb2adSek break; 253206eeb2adSek 253306eeb2adSek if ((err = zpool_history_unpack(buf, bytes_read, 253406eeb2adSek &leftover, &records, &numrecords)) != 0) 253506eeb2adSek break; 253606eeb2adSek off -= leftover; 253706eeb2adSek 253806eeb2adSek /* CONSTCOND */ 253906eeb2adSek } while (1); 254006eeb2adSek 254106eeb2adSek if (!err) { 254206eeb2adSek verify(nvlist_alloc(nvhisp, NV_UNIQUE_NAME, 0) == 0); 254306eeb2adSek verify(nvlist_add_nvlist_array(*nvhisp, ZPOOL_HIST_RECORD, 254406eeb2adSek records, numrecords) == 0); 254506eeb2adSek } 254606eeb2adSek for (i = 0; i < numrecords; i++) 254706eeb2adSek nvlist_free(records[i]); 254806eeb2adSek free(records); 254906eeb2adSek 255006eeb2adSek return (err); 255106eeb2adSek } 255255434c77Sek 255355434c77Sek void 255455434c77Sek zpool_obj_to_path(zpool_handle_t *zhp, uint64_t dsobj, uint64_t obj, 255555434c77Sek char *pathname, size_t len) 255655434c77Sek { 255755434c77Sek zfs_cmd_t zc = { 0 }; 255855434c77Sek boolean_t mounted = B_FALSE; 255955434c77Sek char *mntpnt = NULL; 256055434c77Sek char dsname[MAXNAMELEN]; 256155434c77Sek 256255434c77Sek if (dsobj == 0) { 256355434c77Sek /* special case for the MOS */ 256455434c77Sek (void) snprintf(pathname, len, "<metadata>:<0x%llx>", obj); 256555434c77Sek return; 256655434c77Sek } 256755434c77Sek 256855434c77Sek /* get the dataset's name */ 256955434c77Sek (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); 257055434c77Sek zc.zc_obj = dsobj; 257155434c77Sek if (ioctl(zhp->zpool_hdl->libzfs_fd, 257255434c77Sek ZFS_IOC_DSOBJ_TO_DSNAME, &zc) != 0) { 257355434c77Sek /* just write out a path of two object numbers */ 257455434c77Sek (void) snprintf(pathname, len, "<0x%llx>:<0x%llx>", 257555434c77Sek dsobj, obj); 257655434c77Sek return; 257755434c77Sek } 257855434c77Sek (void) strlcpy(dsname, zc.zc_value, sizeof (dsname)); 257955434c77Sek 258055434c77Sek /* find out if the dataset is mounted */ 258155434c77Sek mounted = is_mounted(zhp->zpool_hdl, dsname, &mntpnt); 258255434c77Sek 258355434c77Sek /* get the corrupted object's path */ 258455434c77Sek (void) strlcpy(zc.zc_name, dsname, sizeof (zc.zc_name)); 258555434c77Sek zc.zc_obj = obj; 258655434c77Sek if (ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_OBJ_TO_PATH, 258755434c77Sek &zc) == 0) { 258855434c77Sek if (mounted) { 258955434c77Sek (void) snprintf(pathname, len, "%s%s", mntpnt, 259055434c77Sek zc.zc_value); 259155434c77Sek } else { 259255434c77Sek (void) snprintf(pathname, len, "%s:%s", 259355434c77Sek dsname, zc.zc_value); 259455434c77Sek } 259555434c77Sek } else { 259655434c77Sek (void) snprintf(pathname, len, "%s:<0x%llx>", dsname, obj); 259755434c77Sek } 259855434c77Sek free(mntpnt); 259955434c77Sek } 2600b1b8ab34Slling 26018488aeb5Staylor #define RDISK_ROOT "/dev/rdsk" 26028488aeb5Staylor #define BACKUP_SLICE "s2" 26038488aeb5Staylor /* 26048488aeb5Staylor * Don't start the slice at the default block of 34; many storage 26058488aeb5Staylor * devices will use a stripe width of 128k, so start there instead. 26068488aeb5Staylor */ 26078488aeb5Staylor #define NEW_START_BLOCK 256 26088488aeb5Staylor 260915e6edf1Sgw /* 261015e6edf1Sgw * Read the EFI label from the config, if a label does not exist then 261115e6edf1Sgw * pass back the error to the caller. If the caller has passed a non-NULL 261215e6edf1Sgw * diskaddr argument then we set it to the starting address of the EFI 261315e6edf1Sgw * partition. 261415e6edf1Sgw */ 261515e6edf1Sgw static int 261615e6edf1Sgw read_efi_label(nvlist_t *config, diskaddr_t *sb) 261715e6edf1Sgw { 261815e6edf1Sgw char *path; 261915e6edf1Sgw int fd; 262015e6edf1Sgw char diskname[MAXPATHLEN]; 262115e6edf1Sgw int err = -1; 262215e6edf1Sgw 262315e6edf1Sgw if (nvlist_lookup_string(config, ZPOOL_CONFIG_PATH, &path) != 0) 262415e6edf1Sgw return (err); 262515e6edf1Sgw 262615e6edf1Sgw (void) snprintf(diskname, sizeof (diskname), "%s%s", RDISK_ROOT, 262715e6edf1Sgw strrchr(path, '/')); 262815e6edf1Sgw if ((fd = open(diskname, O_RDONLY|O_NDELAY)) >= 0) { 262915e6edf1Sgw struct dk_gpt *vtoc; 263015e6edf1Sgw 263115e6edf1Sgw if ((err = efi_alloc_and_read(fd, &vtoc)) >= 0) { 263215e6edf1Sgw if (sb != NULL) 263315e6edf1Sgw *sb = vtoc->efi_parts[0].p_start; 263415e6edf1Sgw efi_free(vtoc); 263515e6edf1Sgw } 263615e6edf1Sgw (void) close(fd); 263715e6edf1Sgw } 263815e6edf1Sgw return (err); 263915e6edf1Sgw } 264015e6edf1Sgw 26418488aeb5Staylor /* 26428488aeb5Staylor * determine where a partition starts on a disk in the current 26438488aeb5Staylor * configuration 26448488aeb5Staylor */ 26458488aeb5Staylor static diskaddr_t 26468488aeb5Staylor find_start_block(nvlist_t *config) 26478488aeb5Staylor { 26488488aeb5Staylor nvlist_t **child; 26498488aeb5Staylor uint_t c, children; 26508488aeb5Staylor diskaddr_t sb = MAXOFFSET_T; 26518488aeb5Staylor uint64_t wholedisk; 26528488aeb5Staylor 26538488aeb5Staylor if (nvlist_lookup_nvlist_array(config, 26548488aeb5Staylor ZPOOL_CONFIG_CHILDREN, &child, &children) != 0) { 26558488aeb5Staylor if (nvlist_lookup_uint64(config, 26568488aeb5Staylor ZPOOL_CONFIG_WHOLE_DISK, 26578488aeb5Staylor &wholedisk) != 0 || !wholedisk) { 26588488aeb5Staylor return (MAXOFFSET_T); 26598488aeb5Staylor } 266015e6edf1Sgw if (read_efi_label(config, &sb) < 0) 266115e6edf1Sgw sb = MAXOFFSET_T; 26628488aeb5Staylor return (sb); 26638488aeb5Staylor } 26648488aeb5Staylor 26658488aeb5Staylor for (c = 0; c < children; c++) { 26668488aeb5Staylor sb = find_start_block(child[c]); 26678488aeb5Staylor if (sb != MAXOFFSET_T) { 26688488aeb5Staylor return (sb); 26698488aeb5Staylor } 26708488aeb5Staylor } 26718488aeb5Staylor return (MAXOFFSET_T); 26728488aeb5Staylor } 26738488aeb5Staylor 26748488aeb5Staylor /* 26758488aeb5Staylor * Label an individual disk. The name provided is the short name, 26768488aeb5Staylor * stripped of any leading /dev path. 26778488aeb5Staylor */ 26788488aeb5Staylor int 26798488aeb5Staylor zpool_label_disk(libzfs_handle_t *hdl, zpool_handle_t *zhp, char *name) 26808488aeb5Staylor { 26818488aeb5Staylor char path[MAXPATHLEN]; 26828488aeb5Staylor struct dk_gpt *vtoc; 26838488aeb5Staylor int fd; 26848488aeb5Staylor size_t resv = EFI_MIN_RESV_SIZE; 26858488aeb5Staylor uint64_t slice_size; 26868488aeb5Staylor diskaddr_t start_block; 26878488aeb5Staylor char errbuf[1024]; 26888488aeb5Staylor 2689c6ef114fSmmusante /* prepare an error message just in case */ 2690c6ef114fSmmusante (void) snprintf(errbuf, sizeof (errbuf), 2691c6ef114fSmmusante dgettext(TEXT_DOMAIN, "cannot label '%s'"), name); 2692c6ef114fSmmusante 26938488aeb5Staylor if (zhp) { 26948488aeb5Staylor nvlist_t *nvroot; 26958488aeb5Staylor 26968488aeb5Staylor verify(nvlist_lookup_nvlist(zhp->zpool_config, 26978488aeb5Staylor ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); 26988488aeb5Staylor 26998488aeb5Staylor if (zhp->zpool_start_block == 0) 27008488aeb5Staylor start_block = find_start_block(nvroot); 27018488aeb5Staylor else 27028488aeb5Staylor start_block = zhp->zpool_start_block; 27038488aeb5Staylor zhp->zpool_start_block = start_block; 27048488aeb5Staylor } else { 27058488aeb5Staylor /* new pool */ 27068488aeb5Staylor start_block = NEW_START_BLOCK; 27078488aeb5Staylor } 27088488aeb5Staylor 27098488aeb5Staylor (void) snprintf(path, sizeof (path), "%s/%s%s", RDISK_ROOT, name, 27108488aeb5Staylor BACKUP_SLICE); 27118488aeb5Staylor 27128488aeb5Staylor if ((fd = open(path, O_RDWR | O_NDELAY)) < 0) { 27138488aeb5Staylor /* 27148488aeb5Staylor * This shouldn't happen. We've long since verified that this 27158488aeb5Staylor * is a valid device. 27168488aeb5Staylor */ 2717c6ef114fSmmusante zfs_error_aux(hdl, 2718c6ef114fSmmusante dgettext(TEXT_DOMAIN, "unable to open device")); 27198488aeb5Staylor return (zfs_error(hdl, EZFS_OPENFAILED, errbuf)); 27208488aeb5Staylor } 27218488aeb5Staylor 27228488aeb5Staylor if (efi_alloc_and_init(fd, EFI_NUMPAR, &vtoc) != 0) { 27238488aeb5Staylor /* 27248488aeb5Staylor * The only way this can fail is if we run out of memory, or we 27258488aeb5Staylor * were unable to read the disk's capacity 27268488aeb5Staylor */ 27278488aeb5Staylor if (errno == ENOMEM) 27288488aeb5Staylor (void) no_memory(hdl); 27298488aeb5Staylor 27308488aeb5Staylor (void) close(fd); 2731c6ef114fSmmusante zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 2732c6ef114fSmmusante "unable to read disk capacity"), name); 27338488aeb5Staylor 27348488aeb5Staylor return (zfs_error(hdl, EZFS_NOCAP, errbuf)); 27358488aeb5Staylor } 27368488aeb5Staylor 27378488aeb5Staylor slice_size = vtoc->efi_last_u_lba + 1; 27388488aeb5Staylor slice_size -= EFI_MIN_RESV_SIZE; 27398488aeb5Staylor if (start_block == MAXOFFSET_T) 27408488aeb5Staylor start_block = NEW_START_BLOCK; 27418488aeb5Staylor slice_size -= start_block; 27428488aeb5Staylor 27438488aeb5Staylor vtoc->efi_parts[0].p_start = start_block; 27448488aeb5Staylor vtoc->efi_parts[0].p_size = slice_size; 27458488aeb5Staylor 27468488aeb5Staylor /* 27478488aeb5Staylor * Why we use V_USR: V_BACKUP confuses users, and is considered 27488488aeb5Staylor * disposable by some EFI utilities (since EFI doesn't have a backup 27498488aeb5Staylor * slice). V_UNASSIGNED is supposed to be used only for zero size 27508488aeb5Staylor * partitions, and efi_write() will fail if we use it. V_ROOT, V_BOOT, 27518488aeb5Staylor * etc. were all pretty specific. V_USR is as close to reality as we 27528488aeb5Staylor * can get, in the absence of V_OTHER. 27538488aeb5Staylor */ 27548488aeb5Staylor vtoc->efi_parts[0].p_tag = V_USR; 27558488aeb5Staylor (void) strcpy(vtoc->efi_parts[0].p_name, "zfs"); 27568488aeb5Staylor 27578488aeb5Staylor vtoc->efi_parts[8].p_start = slice_size + start_block; 27588488aeb5Staylor vtoc->efi_parts[8].p_size = resv; 27598488aeb5Staylor vtoc->efi_parts[8].p_tag = V_RESERVED; 27608488aeb5Staylor 27618488aeb5Staylor if (efi_write(fd, vtoc) != 0) { 27628488aeb5Staylor /* 27638488aeb5Staylor * Some block drivers (like pcata) may not support EFI 27648488aeb5Staylor * GPT labels. Print out a helpful error message dir- 27658488aeb5Staylor * ecting the user to manually label the disk and give 27668488aeb5Staylor * a specific slice. 27678488aeb5Staylor */ 27688488aeb5Staylor (void) close(fd); 27698488aeb5Staylor efi_free(vtoc); 27708488aeb5Staylor 27718488aeb5Staylor zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 2772c6ef114fSmmusante "try using fdisk(1M) and then provide a specific slice")); 27738488aeb5Staylor return (zfs_error(hdl, EZFS_LABELFAILED, errbuf)); 27748488aeb5Staylor } 27758488aeb5Staylor 27768488aeb5Staylor (void) close(fd); 27778488aeb5Staylor efi_free(vtoc); 27788488aeb5Staylor return (0); 27798488aeb5Staylor } 2780e7cbe64fSgw 2781e7cbe64fSgw static boolean_t 2782e7cbe64fSgw supported_dump_vdev_type(libzfs_handle_t *hdl, nvlist_t *config, char *errbuf) 2783e7cbe64fSgw { 2784e7cbe64fSgw char *type; 2785e7cbe64fSgw nvlist_t **child; 2786e7cbe64fSgw uint_t children, c; 2787e7cbe64fSgw 2788e7cbe64fSgw verify(nvlist_lookup_string(config, ZPOOL_CONFIG_TYPE, &type) == 0); 2789e7cbe64fSgw if (strcmp(type, VDEV_TYPE_RAIDZ) == 0 || 2790e7cbe64fSgw strcmp(type, VDEV_TYPE_FILE) == 0 || 2791e7cbe64fSgw strcmp(type, VDEV_TYPE_LOG) == 0 || 2792e7cbe64fSgw strcmp(type, VDEV_TYPE_MISSING) == 0) { 2793e7cbe64fSgw zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 2794e7cbe64fSgw "vdev type '%s' is not supported"), type); 2795e7cbe64fSgw (void) zfs_error(hdl, EZFS_VDEVNOTSUP, errbuf); 2796e7cbe64fSgw return (B_FALSE); 2797e7cbe64fSgw } 2798e7cbe64fSgw if (nvlist_lookup_nvlist_array(config, ZPOOL_CONFIG_CHILDREN, 2799e7cbe64fSgw &child, &children) == 0) { 2800e7cbe64fSgw for (c = 0; c < children; c++) { 2801e7cbe64fSgw if (!supported_dump_vdev_type(hdl, child[c], errbuf)) 2802e7cbe64fSgw return (B_FALSE); 2803e7cbe64fSgw } 2804e7cbe64fSgw } 2805e7cbe64fSgw return (B_TRUE); 2806e7cbe64fSgw } 2807e7cbe64fSgw 2808e7cbe64fSgw /* 2809e7cbe64fSgw * check if this zvol is allowable for use as a dump device; zero if 2810e7cbe64fSgw * it is, > 0 if it isn't, < 0 if it isn't a zvol 2811e7cbe64fSgw */ 2812e7cbe64fSgw int 2813e7cbe64fSgw zvol_check_dump_config(char *arg) 2814e7cbe64fSgw { 2815e7cbe64fSgw zpool_handle_t *zhp = NULL; 2816e7cbe64fSgw nvlist_t *config, *nvroot; 2817e7cbe64fSgw char *p, *volname; 2818e7cbe64fSgw nvlist_t **top; 2819e7cbe64fSgw uint_t toplevels; 2820e7cbe64fSgw libzfs_handle_t *hdl; 2821e7cbe64fSgw char errbuf[1024]; 2822e7cbe64fSgw char poolname[ZPOOL_MAXNAMELEN]; 2823e7cbe64fSgw int pathlen = strlen(ZVOL_FULL_DEV_DIR); 2824e7cbe64fSgw int ret = 1; 2825e7cbe64fSgw 2826e7cbe64fSgw if (strncmp(arg, ZVOL_FULL_DEV_DIR, pathlen)) { 2827e7cbe64fSgw return (-1); 2828e7cbe64fSgw } 2829e7cbe64fSgw 2830e7cbe64fSgw (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, 2831e7cbe64fSgw "dump is not supported on device '%s'"), arg); 2832e7cbe64fSgw 2833e7cbe64fSgw if ((hdl = libzfs_init()) == NULL) 2834e7cbe64fSgw return (1); 2835e7cbe64fSgw libzfs_print_on_error(hdl, B_TRUE); 2836e7cbe64fSgw 2837e7cbe64fSgw volname = arg + pathlen; 2838e7cbe64fSgw 2839e7cbe64fSgw /* check the configuration of the pool */ 2840e7cbe64fSgw if ((p = strchr(volname, '/')) == NULL) { 2841e7cbe64fSgw zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 2842e7cbe64fSgw "malformed dataset name")); 2843e7cbe64fSgw (void) zfs_error(hdl, EZFS_INVALIDNAME, errbuf); 2844e7cbe64fSgw return (1); 2845e7cbe64fSgw } else if (p - volname >= ZFS_MAXNAMELEN) { 2846e7cbe64fSgw zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 2847e7cbe64fSgw "dataset name is too long")); 2848e7cbe64fSgw (void) zfs_error(hdl, EZFS_NAMETOOLONG, errbuf); 2849e7cbe64fSgw return (1); 2850e7cbe64fSgw } else { 2851e7cbe64fSgw (void) strncpy(poolname, volname, p - volname); 2852e7cbe64fSgw poolname[p - volname] = '\0'; 2853e7cbe64fSgw } 2854e7cbe64fSgw 2855e7cbe64fSgw if ((zhp = zpool_open(hdl, poolname)) == NULL) { 2856e7cbe64fSgw zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 2857e7cbe64fSgw "could not open pool '%s'"), poolname); 2858e7cbe64fSgw (void) zfs_error(hdl, EZFS_OPENFAILED, errbuf); 2859e7cbe64fSgw goto out; 2860e7cbe64fSgw } 2861e7cbe64fSgw config = zpool_get_config(zhp, NULL); 2862e7cbe64fSgw if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 2863e7cbe64fSgw &nvroot) != 0) { 2864e7cbe64fSgw zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 2865e7cbe64fSgw "could not obtain vdev configuration for '%s'"), poolname); 2866e7cbe64fSgw (void) zfs_error(hdl, EZFS_INVALCONFIG, errbuf); 2867e7cbe64fSgw goto out; 2868e7cbe64fSgw } 2869e7cbe64fSgw 2870e7cbe64fSgw verify(nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN, 2871e7cbe64fSgw &top, &toplevels) == 0); 2872e7cbe64fSgw if (toplevels != 1) { 2873e7cbe64fSgw zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 2874e7cbe64fSgw "'%s' has multiple top level vdevs"), poolname); 2875e7cbe64fSgw (void) zfs_error(hdl, EZFS_DEVOVERFLOW, errbuf); 2876e7cbe64fSgw goto out; 2877e7cbe64fSgw } 2878e7cbe64fSgw 2879e7cbe64fSgw if (!supported_dump_vdev_type(hdl, top[0], errbuf)) { 2880e7cbe64fSgw goto out; 2881e7cbe64fSgw } 2882e7cbe64fSgw ret = 0; 2883e7cbe64fSgw 2884e7cbe64fSgw out: 2885e7cbe64fSgw if (zhp) 2886e7cbe64fSgw zpool_close(zhp); 2887e7cbe64fSgw libzfs_fini(hdl); 2888e7cbe64fSgw return (ret); 2889e7cbe64fSgw } 2890