1fa9e4066Sahrens /* 2fa9e4066Sahrens * CDDL HEADER START 3fa9e4066Sahrens * 4fa9e4066Sahrens * The contents of this file are subject to the terms of the 5ea8dc4b6Seschrock * Common Development and Distribution License (the "License"). 6ea8dc4b6Seschrock * You may not use this file except in compliance with the License. 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 */ 21ad135b5dSChristopher Siden 22fa9e4066Sahrens /* 233f9d6ad7SLin Ling * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 241c10ae76SMike Gerdts * Copyright (c) 2018 Joyent, Inc. 2586714001SSerapheim Dimitropoulos * Copyright (c) 2011, 2017 by Delphix. All rights reserved. 2688f61deeSIgor Kozhukhov * Copyright 2016 Igor Kozhukhov <ikozhukhov@gmail.com> 271702cce7SAlek Pinchuk * Copyright (c) 2017 Datto Inc. 28fa9e4066Sahrens */ 29fa9e4066Sahrens 30fa9e4066Sahrens /* 31fa9e4066Sahrens * Internal utility routines for the ZFS library. 32fa9e4066Sahrens */ 33fa9e4066Sahrens 34fa9e4066Sahrens #include <errno.h> 35fa9e4066Sahrens #include <fcntl.h> 36fa9e4066Sahrens #include <libintl.h> 37fa9e4066Sahrens #include <stdarg.h> 38fa9e4066Sahrens #include <stdio.h> 39fa9e4066Sahrens #include <stdlib.h> 40fa9e4066Sahrens #include <strings.h> 41fa9e4066Sahrens #include <unistd.h> 42990b4856Slling #include <ctype.h> 43990b4856Slling #include <math.h> 442bcf0248SMax Grossman #include <sys/filio.h> 45fa9e4066Sahrens #include <sys/mnttab.h> 465aba80dbSck #include <sys/mntent.h> 475aba80dbSck #include <sys/types.h> 480a055120SJason King #include <libcmdutils.h> 49fa9e4066Sahrens 50fa9e4066Sahrens #include <libzfs.h> 514445fffbSMatthew Ahrens #include <libzfs_core.h> 52fa9e4066Sahrens 53fa9e4066Sahrens #include "libzfs_impl.h" 5491ebeef5Sahrens #include "zfs_prop.h" 55ad135b5dSChristopher Siden #include "zfeature_common.h" 56fa9e4066Sahrens 5799653d4eSeschrock int 5899653d4eSeschrock libzfs_errno(libzfs_handle_t *hdl) 5999653d4eSeschrock { 6099653d4eSeschrock return (hdl->libzfs_error); 6199653d4eSeschrock } 62fa9e4066Sahrens 6399653d4eSeschrock const char * 6499653d4eSeschrock libzfs_error_action(libzfs_handle_t *hdl) 6599653d4eSeschrock { 6699653d4eSeschrock return (hdl->libzfs_action); 6799653d4eSeschrock } 68fa9e4066Sahrens 6999653d4eSeschrock const char * 7099653d4eSeschrock libzfs_error_description(libzfs_handle_t *hdl) 7199653d4eSeschrock { 7299653d4eSeschrock if (hdl->libzfs_desc[0] != '\0') 7399653d4eSeschrock return (hdl->libzfs_desc); 7499653d4eSeschrock 7599653d4eSeschrock switch (hdl->libzfs_error) { 7699653d4eSeschrock case EZFS_NOMEM: 7799653d4eSeschrock return (dgettext(TEXT_DOMAIN, "out of memory")); 7899653d4eSeschrock case EZFS_BADPROP: 7999653d4eSeschrock return (dgettext(TEXT_DOMAIN, "invalid property value")); 8099653d4eSeschrock case EZFS_PROPREADONLY: 81f9af39baSGeorge Wilson return (dgettext(TEXT_DOMAIN, "read-only property")); 8299653d4eSeschrock case EZFS_PROPTYPE: 8399653d4eSeschrock return (dgettext(TEXT_DOMAIN, "property doesn't apply to " 8499653d4eSeschrock "datasets of this type")); 8599653d4eSeschrock case EZFS_PROPNONINHERIT: 8699653d4eSeschrock return (dgettext(TEXT_DOMAIN, "property cannot be inherited")); 8799653d4eSeschrock case EZFS_PROPSPACE: 8899653d4eSeschrock return (dgettext(TEXT_DOMAIN, "invalid quota or reservation")); 8999653d4eSeschrock case EZFS_BADTYPE: 9099653d4eSeschrock return (dgettext(TEXT_DOMAIN, "operation not applicable to " 9199653d4eSeschrock "datasets of this type")); 9299653d4eSeschrock case EZFS_BUSY: 9399653d4eSeschrock return (dgettext(TEXT_DOMAIN, "pool or dataset is busy")); 9499653d4eSeschrock case EZFS_EXISTS: 9599653d4eSeschrock return (dgettext(TEXT_DOMAIN, "pool or dataset exists")); 9699653d4eSeschrock case EZFS_NOENT: 9799653d4eSeschrock return (dgettext(TEXT_DOMAIN, "no such pool or dataset")); 9899653d4eSeschrock case EZFS_BADSTREAM: 9999653d4eSeschrock return (dgettext(TEXT_DOMAIN, "invalid backup stream")); 10099653d4eSeschrock case EZFS_DSREADONLY: 101f9af39baSGeorge Wilson return (dgettext(TEXT_DOMAIN, "dataset is read-only")); 10299653d4eSeschrock case EZFS_VOLTOOBIG: 10399653d4eSeschrock return (dgettext(TEXT_DOMAIN, "volume size exceeds limit for " 10499653d4eSeschrock "this system")); 10599653d4eSeschrock case EZFS_INVALIDNAME: 10699653d4eSeschrock return (dgettext(TEXT_DOMAIN, "invalid name")); 10799653d4eSeschrock case EZFS_BADRESTORE: 10899653d4eSeschrock return (dgettext(TEXT_DOMAIN, "unable to restore to " 10999653d4eSeschrock "destination")); 11099653d4eSeschrock case EZFS_BADBACKUP: 11199653d4eSeschrock return (dgettext(TEXT_DOMAIN, "backup failed")); 11299653d4eSeschrock case EZFS_BADTARGET: 11399653d4eSeschrock return (dgettext(TEXT_DOMAIN, "invalid target vdev")); 11499653d4eSeschrock case EZFS_NODEVICE: 11599653d4eSeschrock return (dgettext(TEXT_DOMAIN, "no such device in pool")); 11699653d4eSeschrock case EZFS_BADDEV: 11799653d4eSeschrock return (dgettext(TEXT_DOMAIN, "invalid device")); 11899653d4eSeschrock case EZFS_NOREPLICAS: 11999653d4eSeschrock return (dgettext(TEXT_DOMAIN, "no valid replicas")); 12099653d4eSeschrock case EZFS_RESILVERING: 12199653d4eSeschrock return (dgettext(TEXT_DOMAIN, "currently resilvering")); 12299653d4eSeschrock case EZFS_BADVERSION: 123ad135b5dSChristopher Siden return (dgettext(TEXT_DOMAIN, "unsupported version or " 124ad135b5dSChristopher Siden "feature")); 12599653d4eSeschrock case EZFS_POOLUNAVAIL: 12699653d4eSeschrock return (dgettext(TEXT_DOMAIN, "pool is unavailable")); 12799653d4eSeschrock case EZFS_DEVOVERFLOW: 12899653d4eSeschrock return (dgettext(TEXT_DOMAIN, "too many devices in one vdev")); 12999653d4eSeschrock case EZFS_BADPATH: 13099653d4eSeschrock return (dgettext(TEXT_DOMAIN, "must be an absolute path")); 13199653d4eSeschrock case EZFS_CROSSTARGET: 13299653d4eSeschrock return (dgettext(TEXT_DOMAIN, "operation crosses datasets or " 13399653d4eSeschrock "pools")); 13499653d4eSeschrock case EZFS_ZONED: 13599653d4eSeschrock return (dgettext(TEXT_DOMAIN, "dataset in use by local zone")); 13699653d4eSeschrock case EZFS_MOUNTFAILED: 13799653d4eSeschrock return (dgettext(TEXT_DOMAIN, "mount failed")); 13899653d4eSeschrock case EZFS_UMOUNTFAILED: 13999653d4eSeschrock return (dgettext(TEXT_DOMAIN, "umount failed")); 140f3861e1aSahl case EZFS_UNSHARENFSFAILED: 14199653d4eSeschrock return (dgettext(TEXT_DOMAIN, "unshare(1M) failed")); 142f3861e1aSahl case EZFS_SHARENFSFAILED: 14399653d4eSeschrock return (dgettext(TEXT_DOMAIN, "share(1M) failed")); 144da6c28aaSamw case EZFS_UNSHARESMBFAILED: 145da6c28aaSamw return (dgettext(TEXT_DOMAIN, "smb remove share failed")); 146da6c28aaSamw case EZFS_SHARESMBFAILED: 147da6c28aaSamw return (dgettext(TEXT_DOMAIN, "smb add share failed")); 14899653d4eSeschrock case EZFS_PERM: 14999653d4eSeschrock return (dgettext(TEXT_DOMAIN, "permission denied")); 15099653d4eSeschrock case EZFS_NOSPC: 15199653d4eSeschrock return (dgettext(TEXT_DOMAIN, "out of space")); 1526e27f868SSam Falkner case EZFS_FAULT: 1536e27f868SSam Falkner return (dgettext(TEXT_DOMAIN, "bad address")); 15499653d4eSeschrock case EZFS_IO: 15599653d4eSeschrock return (dgettext(TEXT_DOMAIN, "I/O error")); 15699653d4eSeschrock case EZFS_INTR: 15799653d4eSeschrock return (dgettext(TEXT_DOMAIN, "signal received")); 15899653d4eSeschrock case EZFS_ISSPARE: 15999653d4eSeschrock return (dgettext(TEXT_DOMAIN, "device is reserved as a hot " 16099653d4eSeschrock "spare")); 16199653d4eSeschrock case EZFS_INVALCONFIG: 16299653d4eSeschrock return (dgettext(TEXT_DOMAIN, "invalid vdev configuration")); 1633bb79becSeschrock case EZFS_RECURSIVE: 1643bb79becSeschrock return (dgettext(TEXT_DOMAIN, "recursive dataset dependency")); 16506eeb2adSek case EZFS_NOHISTORY: 16606eeb2adSek return (dgettext(TEXT_DOMAIN, "no history available")); 167b1b8ab34Slling case EZFS_POOLPROPS: 168b1b8ab34Slling return (dgettext(TEXT_DOMAIN, "failed to retrieve " 169b1b8ab34Slling "pool properties")); 170b1b8ab34Slling case EZFS_POOL_NOTSUP: 171b1b8ab34Slling return (dgettext(TEXT_DOMAIN, "operation not supported " 172b1b8ab34Slling "on this type of pool")); 173b1b8ab34Slling case EZFS_POOL_INVALARG: 174b1b8ab34Slling return (dgettext(TEXT_DOMAIN, "invalid argument for " 175b1b8ab34Slling "this pool operation")); 176b7661cccSmmusante case EZFS_NAMETOOLONG: 177b7661cccSmmusante return (dgettext(TEXT_DOMAIN, "dataset name is too long")); 1788488aeb5Staylor case EZFS_OPENFAILED: 1798488aeb5Staylor return (dgettext(TEXT_DOMAIN, "open failed")); 1808488aeb5Staylor case EZFS_NOCAP: 1818488aeb5Staylor return (dgettext(TEXT_DOMAIN, 1828488aeb5Staylor "disk capacity information could not be retrieved")); 1838488aeb5Staylor case EZFS_LABELFAILED: 1848488aeb5Staylor return (dgettext(TEXT_DOMAIN, "write of label failed")); 185ecd6cf80Smarks case EZFS_BADWHO: 186ecd6cf80Smarks return (dgettext(TEXT_DOMAIN, "invalid user/group")); 187ecd6cf80Smarks case EZFS_BADPERM: 188ecd6cf80Smarks return (dgettext(TEXT_DOMAIN, "invalid permission")); 189ecd6cf80Smarks case EZFS_BADPERMSET: 190ecd6cf80Smarks return (dgettext(TEXT_DOMAIN, "invalid permission set name")); 191ecd6cf80Smarks case EZFS_NODELEGATION: 192ecd6cf80Smarks return (dgettext(TEXT_DOMAIN, "delegated administration is " 193ecd6cf80Smarks "disabled on pool")); 1942f8aaab3Seschrock case EZFS_BADCACHE: 1952f8aaab3Seschrock return (dgettext(TEXT_DOMAIN, "invalid or missing cache file")); 196fa94a07fSbrendan case EZFS_ISL2CACHE: 197fa94a07fSbrendan return (dgettext(TEXT_DOMAIN, "device is in use as a cache")); 198e7cbe64fSgw case EZFS_VDEVNOTSUP: 199e7cbe64fSgw return (dgettext(TEXT_DOMAIN, "vdev specification is not " 200e7cbe64fSgw "supported")); 20115e6edf1Sgw case EZFS_NOTSUP: 20215e6edf1Sgw return (dgettext(TEXT_DOMAIN, "operation not supported " 20315e6edf1Sgw "on this dataset")); 20489a89ebfSlling case EZFS_ACTIVE_SPARE: 20589a89ebfSlling return (dgettext(TEXT_DOMAIN, "pool has active shared spare " 20689a89ebfSlling "device")); 207e6ca193dSGeorge Wilson case EZFS_UNPLAYED_LOGS: 208e6ca193dSGeorge Wilson return (dgettext(TEXT_DOMAIN, "log device has unplayed intent " 209e6ca193dSGeorge Wilson "logs")); 210842727c2SChris Kirby case EZFS_REFTAG_RELE: 211842727c2SChris Kirby return (dgettext(TEXT_DOMAIN, "no such tag on this dataset")); 212842727c2SChris Kirby case EZFS_REFTAG_HOLD: 213842727c2SChris Kirby return (dgettext(TEXT_DOMAIN, "tag already exists on this " 214842727c2SChris Kirby "dataset")); 215ca45db41SChris Kirby case EZFS_TAGTOOLONG: 216ca45db41SChris Kirby return (dgettext(TEXT_DOMAIN, "tag too long")); 2179e69d7d0SLori Alt case EZFS_PIPEFAILED: 2189e69d7d0SLori Alt return (dgettext(TEXT_DOMAIN, "pipe create failed")); 2199e69d7d0SLori Alt case EZFS_THREADCREATEFAILED: 2209e69d7d0SLori Alt return (dgettext(TEXT_DOMAIN, "thread create failed")); 2211195e687SMark J Musante case EZFS_POSTSPLIT_ONLINE: 2221195e687SMark J Musante return (dgettext(TEXT_DOMAIN, "disk was split from this pool " 2231195e687SMark J Musante "into a new one")); 2241702cce7SAlek Pinchuk case EZFS_SCRUB_PAUSED: 2251702cce7SAlek Pinchuk return (dgettext(TEXT_DOMAIN, "scrub is paused; " 2261702cce7SAlek Pinchuk "use 'zpool scrub' to resume")); 2273f9d6ad7SLin Ling case EZFS_SCRUBBING: 2283f9d6ad7SLin Ling return (dgettext(TEXT_DOMAIN, "currently scrubbing; " 2293f9d6ad7SLin Ling "use 'zpool scrub -s' to cancel current scrub")); 2303f9d6ad7SLin Ling case EZFS_NO_SCRUB: 2313f9d6ad7SLin Ling return (dgettext(TEXT_DOMAIN, "there is no active scrub")); 23299d5e173STim Haley case EZFS_DIFF: 23399d5e173STim Haley return (dgettext(TEXT_DOMAIN, "unable to generate diffs")); 23499d5e173STim Haley case EZFS_DIFFDATA: 23599d5e173STim Haley return (dgettext(TEXT_DOMAIN, "invalid diff data")); 236f9af39baSGeorge Wilson case EZFS_POOLREADONLY: 237f9af39baSGeorge Wilson return (dgettext(TEXT_DOMAIN, "pool is read-only")); 2385cabbc6bSPrashanth Sreenivasa case EZFS_NO_PENDING: 2395cabbc6bSPrashanth Sreenivasa return (dgettext(TEXT_DOMAIN, "operation is not " 2405cabbc6bSPrashanth Sreenivasa "in progress")); 24186714001SSerapheim Dimitropoulos case EZFS_CHECKPOINT_EXISTS: 24286714001SSerapheim Dimitropoulos return (dgettext(TEXT_DOMAIN, "checkpoint exists")); 24386714001SSerapheim Dimitropoulos case EZFS_DISCARDING_CHECKPOINT: 24486714001SSerapheim Dimitropoulos return (dgettext(TEXT_DOMAIN, "currently discarding " 24586714001SSerapheim Dimitropoulos "checkpoint")); 24686714001SSerapheim Dimitropoulos case EZFS_NO_CHECKPOINT: 24786714001SSerapheim Dimitropoulos return (dgettext(TEXT_DOMAIN, "checkpoint does not exist")); 24886714001SSerapheim Dimitropoulos case EZFS_DEVRM_IN_PROGRESS: 24986714001SSerapheim Dimitropoulos return (dgettext(TEXT_DOMAIN, "device removal in progress")); 25086714001SSerapheim Dimitropoulos case EZFS_VDEV_TOO_BIG: 25186714001SSerapheim Dimitropoulos return (dgettext(TEXT_DOMAIN, "device exceeds supported size")); 252*094e47e9SGeorge Wilson case EZFS_TOOMANY: 253*094e47e9SGeorge Wilson return (dgettext(TEXT_DOMAIN, "argument list too long")); 254*094e47e9SGeorge Wilson case EZFS_INITIALIZING: 255*094e47e9SGeorge Wilson return (dgettext(TEXT_DOMAIN, "currently initializing")); 256*094e47e9SGeorge Wilson case EZFS_NO_INITIALIZE: 257*094e47e9SGeorge Wilson return (dgettext(TEXT_DOMAIN, "there is no active " 258*094e47e9SGeorge Wilson "initialization")); 25999653d4eSeschrock case EZFS_UNKNOWN: 26099653d4eSeschrock return (dgettext(TEXT_DOMAIN, "unknown error")); 26199653d4eSeschrock default: 262c08432ebSeschrock assert(hdl->libzfs_error == 0); 263c08432ebSeschrock return (dgettext(TEXT_DOMAIN, "no error")); 26499653d4eSeschrock } 26599653d4eSeschrock } 26699653d4eSeschrock 26799653d4eSeschrock /*PRINTFLIKE2*/ 268fa9e4066Sahrens void 26999653d4eSeschrock zfs_error_aux(libzfs_handle_t *hdl, const char *fmt, ...) 270fa9e4066Sahrens { 271fa9e4066Sahrens va_list ap; 272fa9e4066Sahrens 273fa9e4066Sahrens va_start(ap, fmt); 274fa9e4066Sahrens 27599653d4eSeschrock (void) vsnprintf(hdl->libzfs_desc, sizeof (hdl->libzfs_desc), 27699653d4eSeschrock fmt, ap); 27799653d4eSeschrock hdl->libzfs_desc_active = 1; 27899653d4eSeschrock 27999653d4eSeschrock va_end(ap); 28099653d4eSeschrock } 28199653d4eSeschrock 28299653d4eSeschrock static void 28399653d4eSeschrock zfs_verror(libzfs_handle_t *hdl, int error, const char *fmt, va_list ap) 28499653d4eSeschrock { 28599653d4eSeschrock (void) vsnprintf(hdl->libzfs_action, sizeof (hdl->libzfs_action), 28699653d4eSeschrock fmt, ap); 28799653d4eSeschrock hdl->libzfs_error = error; 28899653d4eSeschrock 28999653d4eSeschrock if (hdl->libzfs_desc_active) 29099653d4eSeschrock hdl->libzfs_desc_active = 0; 29199653d4eSeschrock else 29299653d4eSeschrock hdl->libzfs_desc[0] = '\0'; 29399653d4eSeschrock 29499653d4eSeschrock if (hdl->libzfs_printerr) { 29599653d4eSeschrock if (error == EZFS_UNKNOWN) { 29699653d4eSeschrock (void) fprintf(stderr, dgettext(TEXT_DOMAIN, "internal " 29799653d4eSeschrock "error: %s\n"), libzfs_error_description(hdl)); 29899653d4eSeschrock abort(); 29999653d4eSeschrock } 30099653d4eSeschrock 30199653d4eSeschrock (void) fprintf(stderr, "%s: %s\n", hdl->libzfs_action, 302b1b8ab34Slling libzfs_error_description(hdl)); 30399653d4eSeschrock if (error == EZFS_NOMEM) 30499653d4eSeschrock exit(1); 305fa9e4066Sahrens } 30699653d4eSeschrock } 30799653d4eSeschrock 308ece3d9b3Slling int 309ece3d9b3Slling zfs_error(libzfs_handle_t *hdl, int error, const char *msg) 310ece3d9b3Slling { 311ece3d9b3Slling return (zfs_error_fmt(hdl, error, "%s", msg)); 312ece3d9b3Slling } 313ece3d9b3Slling 31499653d4eSeschrock /*PRINTFLIKE3*/ 31599653d4eSeschrock int 316ece3d9b3Slling zfs_error_fmt(libzfs_handle_t *hdl, int error, const char *fmt, ...) 31799653d4eSeschrock { 31899653d4eSeschrock va_list ap; 31999653d4eSeschrock 32099653d4eSeschrock va_start(ap, fmt); 32199653d4eSeschrock 32299653d4eSeschrock zfs_verror(hdl, error, fmt, ap); 323fa9e4066Sahrens 324fa9e4066Sahrens va_end(ap); 32599653d4eSeschrock 32699653d4eSeschrock return (-1); 327fa9e4066Sahrens } 328fa9e4066Sahrens 32999653d4eSeschrock static int 33099653d4eSeschrock zfs_common_error(libzfs_handle_t *hdl, int error, const char *fmt, 33199653d4eSeschrock va_list ap) 33299653d4eSeschrock { 33399653d4eSeschrock switch (error) { 33499653d4eSeschrock case EPERM: 33599653d4eSeschrock case EACCES: 33699653d4eSeschrock zfs_verror(hdl, EZFS_PERM, fmt, ap); 33799653d4eSeschrock return (-1); 33899653d4eSeschrock 339ecd6cf80Smarks case ECANCELED: 340ecd6cf80Smarks zfs_verror(hdl, EZFS_NODELEGATION, fmt, ap); 341ecd6cf80Smarks return (-1); 342ecd6cf80Smarks 34399653d4eSeschrock case EIO: 34499653d4eSeschrock zfs_verror(hdl, EZFS_IO, fmt, ap); 34599653d4eSeschrock return (-1); 34699653d4eSeschrock 3476e27f868SSam Falkner case EFAULT: 3486e27f868SSam Falkner zfs_verror(hdl, EZFS_FAULT, fmt, ap); 3496e27f868SSam Falkner return (-1); 3506e27f868SSam Falkner 35199653d4eSeschrock case EINTR: 35299653d4eSeschrock zfs_verror(hdl, EZFS_INTR, fmt, ap); 35399653d4eSeschrock return (-1); 35499653d4eSeschrock } 35599653d4eSeschrock 35699653d4eSeschrock return (0); 35799653d4eSeschrock } 35899653d4eSeschrock 359ece3d9b3Slling int 360ece3d9b3Slling zfs_standard_error(libzfs_handle_t *hdl, int error, const char *msg) 361ece3d9b3Slling { 362ece3d9b3Slling return (zfs_standard_error_fmt(hdl, error, "%s", msg)); 363ece3d9b3Slling } 364ece3d9b3Slling 36599653d4eSeschrock /*PRINTFLIKE3*/ 36699653d4eSeschrock int 367ece3d9b3Slling zfs_standard_error_fmt(libzfs_handle_t *hdl, int error, const char *fmt, ...) 368fa9e4066Sahrens { 369fa9e4066Sahrens va_list ap; 370fa9e4066Sahrens 371fa9e4066Sahrens va_start(ap, fmt); 372fa9e4066Sahrens 37399653d4eSeschrock if (zfs_common_error(hdl, error, fmt, ap) != 0) { 37499653d4eSeschrock va_end(ap); 37599653d4eSeschrock return (-1); 376fa9e4066Sahrens } 377fa9e4066Sahrens 37899653d4eSeschrock switch (error) { 37999653d4eSeschrock case ENXIO: 38097d9e3a6Sck case ENODEV: 38119b94df9SMatthew Ahrens case EPIPE: 38299653d4eSeschrock zfs_verror(hdl, EZFS_IO, fmt, ap); 38399653d4eSeschrock break; 38499653d4eSeschrock 38599653d4eSeschrock case ENOENT: 38699653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 38799653d4eSeschrock "dataset does not exist")); 38899653d4eSeschrock zfs_verror(hdl, EZFS_NOENT, fmt, ap); 38999653d4eSeschrock break; 39099653d4eSeschrock 39199653d4eSeschrock case ENOSPC: 39299653d4eSeschrock case EDQUOT: 39399653d4eSeschrock zfs_verror(hdl, EZFS_NOSPC, fmt, ap); 39499653d4eSeschrock return (-1); 39599653d4eSeschrock 39699653d4eSeschrock case EEXIST: 39799653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 39899653d4eSeschrock "dataset already exists")); 39999653d4eSeschrock zfs_verror(hdl, EZFS_EXISTS, fmt, ap); 40099653d4eSeschrock break; 40199653d4eSeschrock 40299653d4eSeschrock case EBUSY: 40399653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 40499653d4eSeschrock "dataset is busy")); 40599653d4eSeschrock zfs_verror(hdl, EZFS_BUSY, fmt, ap); 40699653d4eSeschrock break; 407ecd6cf80Smarks case EROFS: 408f9af39baSGeorge Wilson zfs_verror(hdl, EZFS_POOLREADONLY, fmt, ap); 409ecd6cf80Smarks break; 410b7661cccSmmusante case ENAMETOOLONG: 411b7661cccSmmusante zfs_verror(hdl, EZFS_NAMETOOLONG, fmt, ap); 412b7661cccSmmusante break; 41340ff3960Sck case ENOTSUP: 41440ff3960Sck zfs_verror(hdl, EZFS_BADVERSION, fmt, ap); 41540ff3960Sck break; 41654d692b7SGeorge Wilson case EAGAIN: 41754d692b7SGeorge Wilson zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 41854d692b7SGeorge Wilson "pool I/O is currently suspended")); 41954d692b7SGeorge Wilson zfs_verror(hdl, EZFS_POOLUNAVAIL, fmt, ap); 42054d692b7SGeorge Wilson break; 42199653d4eSeschrock default: 42292241e0bSTom Erickson zfs_error_aux(hdl, strerror(error)); 42399653d4eSeschrock zfs_verror(hdl, EZFS_UNKNOWN, fmt, ap); 42499653d4eSeschrock break; 42599653d4eSeschrock } 42699653d4eSeschrock 42799653d4eSeschrock va_end(ap); 42899653d4eSeschrock return (-1); 429fa9e4066Sahrens } 430fa9e4066Sahrens 431ece3d9b3Slling int 432ece3d9b3Slling zpool_standard_error(libzfs_handle_t *hdl, int error, const char *msg) 433ece3d9b3Slling { 434ece3d9b3Slling return (zpool_standard_error_fmt(hdl, error, "%s", msg)); 435ece3d9b3Slling } 436ece3d9b3Slling 43799653d4eSeschrock /*PRINTFLIKE3*/ 43899653d4eSeschrock int 439ece3d9b3Slling zpool_standard_error_fmt(libzfs_handle_t *hdl, int error, const char *fmt, ...) 440fa9e4066Sahrens { 44199653d4eSeschrock va_list ap; 44299653d4eSeschrock 44399653d4eSeschrock va_start(ap, fmt); 44499653d4eSeschrock 44599653d4eSeschrock if (zfs_common_error(hdl, error, fmt, ap) != 0) { 44699653d4eSeschrock va_end(ap); 44799653d4eSeschrock return (-1); 44899653d4eSeschrock } 44999653d4eSeschrock 45099653d4eSeschrock switch (error) { 45199653d4eSeschrock case ENODEV: 45299653d4eSeschrock zfs_verror(hdl, EZFS_NODEVICE, fmt, ap); 45399653d4eSeschrock break; 45499653d4eSeschrock 45599653d4eSeschrock case ENOENT: 456b1b8ab34Slling zfs_error_aux(hdl, 457b1b8ab34Slling dgettext(TEXT_DOMAIN, "no such pool or dataset")); 45899653d4eSeschrock zfs_verror(hdl, EZFS_NOENT, fmt, ap); 45999653d4eSeschrock break; 46099653d4eSeschrock 46199653d4eSeschrock case EEXIST: 46299653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 46399653d4eSeschrock "pool already exists")); 46499653d4eSeschrock zfs_verror(hdl, EZFS_EXISTS, fmt, ap); 46599653d4eSeschrock break; 46699653d4eSeschrock 46799653d4eSeschrock case EBUSY: 46899653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "pool is busy")); 46943afaaa8SEric Schrock zfs_verror(hdl, EZFS_BUSY, fmt, ap); 47099653d4eSeschrock break; 47199653d4eSeschrock 47299653d4eSeschrock case ENXIO: 47399653d4eSeschrock zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 47499653d4eSeschrock "one or more devices is currently unavailable")); 47599653d4eSeschrock zfs_verror(hdl, EZFS_BADDEV, fmt, ap); 47699653d4eSeschrock break; 47799653d4eSeschrock 47899653d4eSeschrock case ENAMETOOLONG: 47999653d4eSeschrock zfs_verror(hdl, EZFS_DEVOVERFLOW, fmt, ap); 48099653d4eSeschrock break; 48199653d4eSeschrock 482b1b8ab34Slling case ENOTSUP: 483b1b8ab34Slling zfs_verror(hdl, EZFS_POOL_NOTSUP, fmt, ap); 484b1b8ab34Slling break; 485b1b8ab34Slling 486b1b8ab34Slling case EINVAL: 487b1b8ab34Slling zfs_verror(hdl, EZFS_POOL_INVALARG, fmt, ap); 488b1b8ab34Slling break; 489b1b8ab34Slling 490ecd6cf80Smarks case ENOSPC: 491ecd6cf80Smarks case EDQUOT: 492ecd6cf80Smarks zfs_verror(hdl, EZFS_NOSPC, fmt, ap); 493ecd6cf80Smarks return (-1); 494f9af39baSGeorge Wilson 49554d692b7SGeorge Wilson case EAGAIN: 49654d692b7SGeorge Wilson zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 49754d692b7SGeorge Wilson "pool I/O is currently suspended")); 49854d692b7SGeorge Wilson zfs_verror(hdl, EZFS_POOLUNAVAIL, fmt, ap); 49954d692b7SGeorge Wilson break; 500ecd6cf80Smarks 501f9af39baSGeorge Wilson case EROFS: 502f9af39baSGeorge Wilson zfs_verror(hdl, EZFS_POOLREADONLY, fmt, ap); 503f9af39baSGeorge Wilson break; 5045cabbc6bSPrashanth Sreenivasa /* There is no pending operation to cancel */ 5055cabbc6bSPrashanth Sreenivasa case ENOTACTIVE: 5065cabbc6bSPrashanth Sreenivasa zfs_verror(hdl, EZFS_NO_PENDING, fmt, ap); 5075cabbc6bSPrashanth Sreenivasa break; 50886714001SSerapheim Dimitropoulos case ZFS_ERR_CHECKPOINT_EXISTS: 50986714001SSerapheim Dimitropoulos zfs_verror(hdl, EZFS_CHECKPOINT_EXISTS, fmt, ap); 51086714001SSerapheim Dimitropoulos break; 51186714001SSerapheim Dimitropoulos case ZFS_ERR_DISCARDING_CHECKPOINT: 51286714001SSerapheim Dimitropoulos zfs_verror(hdl, EZFS_DISCARDING_CHECKPOINT, fmt, ap); 51386714001SSerapheim Dimitropoulos break; 51486714001SSerapheim Dimitropoulos case ZFS_ERR_NO_CHECKPOINT: 51586714001SSerapheim Dimitropoulos zfs_verror(hdl, EZFS_NO_CHECKPOINT, fmt, ap); 51686714001SSerapheim Dimitropoulos break; 51786714001SSerapheim Dimitropoulos case ZFS_ERR_DEVRM_IN_PROGRESS: 51886714001SSerapheim Dimitropoulos zfs_verror(hdl, EZFS_DEVRM_IN_PROGRESS, fmt, ap); 51986714001SSerapheim Dimitropoulos break; 52086714001SSerapheim Dimitropoulos case ZFS_ERR_VDEV_TOO_BIG: 52186714001SSerapheim Dimitropoulos zfs_verror(hdl, EZFS_VDEV_TOO_BIG, fmt, ap); 52286714001SSerapheim Dimitropoulos break; 52399653d4eSeschrock default: 52499653d4eSeschrock zfs_error_aux(hdl, strerror(error)); 52599653d4eSeschrock zfs_verror(hdl, EZFS_UNKNOWN, fmt, ap); 52699653d4eSeschrock } 52799653d4eSeschrock 52899653d4eSeschrock va_end(ap); 52999653d4eSeschrock return (-1); 530fa9e4066Sahrens } 531fa9e4066Sahrens 532fa9e4066Sahrens /* 533fa9e4066Sahrens * Display an out of memory error message and abort the current program. 534fa9e4066Sahrens */ 53599653d4eSeschrock int 53699653d4eSeschrock no_memory(libzfs_handle_t *hdl) 537fa9e4066Sahrens { 53899653d4eSeschrock return (zfs_error(hdl, EZFS_NOMEM, "internal error")); 539fa9e4066Sahrens } 540fa9e4066Sahrens 541fa9e4066Sahrens /* 542fa9e4066Sahrens * A safe form of malloc() which will die if the allocation fails. 543fa9e4066Sahrens */ 544fa9e4066Sahrens void * 54599653d4eSeschrock zfs_alloc(libzfs_handle_t *hdl, size_t size) 546fa9e4066Sahrens { 547fa9e4066Sahrens void *data; 548fa9e4066Sahrens 549fa9e4066Sahrens if ((data = calloc(1, size)) == NULL) 55099653d4eSeschrock (void) no_memory(hdl); 551fa9e4066Sahrens 552fa9e4066Sahrens return (data); 553fa9e4066Sahrens } 554fa9e4066Sahrens 55599d5e173STim Haley /* 55699d5e173STim Haley * A safe form of asprintf() which will die if the allocation fails. 55799d5e173STim Haley */ 55899d5e173STim Haley /*PRINTFLIKE2*/ 55999d5e173STim Haley char * 56099d5e173STim Haley zfs_asprintf(libzfs_handle_t *hdl, const char *fmt, ...) 56199d5e173STim Haley { 56299d5e173STim Haley va_list ap; 56399d5e173STim Haley char *ret; 56499d5e173STim Haley int err; 56599d5e173STim Haley 56699d5e173STim Haley va_start(ap, fmt); 56799d5e173STim Haley 56899d5e173STim Haley err = vasprintf(&ret, fmt, ap); 56999d5e173STim Haley 57099d5e173STim Haley va_end(ap); 57199d5e173STim Haley 57299d5e173STim Haley if (err < 0) 57399d5e173STim Haley (void) no_memory(hdl); 57499d5e173STim Haley 57599d5e173STim Haley return (ret); 57699d5e173STim Haley } 57799d5e173STim Haley 578e9dbad6fSeschrock /* 579e9dbad6fSeschrock * A safe form of realloc(), which also zeroes newly allocated space. 580e9dbad6fSeschrock */ 581e9dbad6fSeschrock void * 582e9dbad6fSeschrock zfs_realloc(libzfs_handle_t *hdl, void *ptr, size_t oldsize, size_t newsize) 583e9dbad6fSeschrock { 584e9dbad6fSeschrock void *ret; 585e9dbad6fSeschrock 586e9dbad6fSeschrock if ((ret = realloc(ptr, newsize)) == NULL) { 587e9dbad6fSeschrock (void) no_memory(hdl); 588e9dbad6fSeschrock return (NULL); 589e9dbad6fSeschrock } 590e9dbad6fSeschrock 591e9dbad6fSeschrock bzero((char *)ret + oldsize, (newsize - oldsize)); 592e9dbad6fSeschrock return (ret); 593e9dbad6fSeschrock } 594e9dbad6fSeschrock 595fa9e4066Sahrens /* 596fa9e4066Sahrens * A safe form of strdup() which will die if the allocation fails. 597fa9e4066Sahrens */ 598fa9e4066Sahrens char * 59999653d4eSeschrock zfs_strdup(libzfs_handle_t *hdl, const char *str) 600fa9e4066Sahrens { 601fa9e4066Sahrens char *ret; 602fa9e4066Sahrens 603fa9e4066Sahrens if ((ret = strdup(str)) == NULL) 60499653d4eSeschrock (void) no_memory(hdl); 605fa9e4066Sahrens 606fa9e4066Sahrens return (ret); 607fa9e4066Sahrens } 608fa9e4066Sahrens 609fa9e4066Sahrens /* 610fa9e4066Sahrens * Convert a number to an appropriately human-readable output. 611fa9e4066Sahrens */ 612fa9e4066Sahrens void 613fa9e4066Sahrens zfs_nicenum(uint64_t num, char *buf, size_t buflen) 614fa9e4066Sahrens { 6150a055120SJason King nicenum(num, buf, buflen); 616fa9e4066Sahrens } 61799653d4eSeschrock 61899653d4eSeschrock void 61999653d4eSeschrock libzfs_print_on_error(libzfs_handle_t *hdl, boolean_t printerr) 62099653d4eSeschrock { 62199653d4eSeschrock hdl->libzfs_printerr = printerr; 62299653d4eSeschrock } 62399653d4eSeschrock 62499653d4eSeschrock libzfs_handle_t * 62599653d4eSeschrock libzfs_init(void) 62699653d4eSeschrock { 62799653d4eSeschrock libzfs_handle_t *hdl; 62899653d4eSeschrock 62999d5e173STim Haley if ((hdl = calloc(1, sizeof (libzfs_handle_t))) == NULL) { 63099653d4eSeschrock return (NULL); 63199653d4eSeschrock } 63299653d4eSeschrock 633c08432ebSeschrock if ((hdl->libzfs_fd = open(ZFS_DEV, O_RDWR)) < 0) { 63499653d4eSeschrock free(hdl); 63599653d4eSeschrock return (NULL); 63699653d4eSeschrock } 63799653d4eSeschrock 638bde3d612SSimon Klinkert if ((hdl->libzfs_mnttab = fopen(MNTTAB, "rF")) == NULL) { 63999653d4eSeschrock (void) close(hdl->libzfs_fd); 64099653d4eSeschrock free(hdl); 64199653d4eSeschrock return (NULL); 64299653d4eSeschrock } 64399653d4eSeschrock 644bde3d612SSimon Klinkert hdl->libzfs_sharetab = fopen("/etc/dfs/sharetab", "rF"); 64599653d4eSeschrock 6464445fffbSMatthew Ahrens if (libzfs_core_init() != 0) { 6474445fffbSMatthew Ahrens (void) close(hdl->libzfs_fd); 6484445fffbSMatthew Ahrens (void) fclose(hdl->libzfs_mnttab); 6494445fffbSMatthew Ahrens (void) fclose(hdl->libzfs_sharetab); 6504445fffbSMatthew Ahrens free(hdl); 6514445fffbSMatthew Ahrens return (NULL); 6524445fffbSMatthew Ahrens } 6534445fffbSMatthew Ahrens 65491ebeef5Sahrens zfs_prop_init(); 655990b4856Slling zpool_prop_init(); 656ad135b5dSChristopher Siden zpool_feature_init(); 657b2634b9cSEric Taylor libzfs_mnttab_init(hdl); 65891ebeef5Sahrens 659dfc11533SChris Williamson if (getenv("ZFS_PROP_DEBUG") != NULL) { 660dfc11533SChris Williamson hdl->libzfs_prop_debug = B_TRUE; 661dfc11533SChris Williamson } 662dfc11533SChris Williamson 66399653d4eSeschrock return (hdl); 66499653d4eSeschrock } 66599653d4eSeschrock 66699653d4eSeschrock void 66799653d4eSeschrock libzfs_fini(libzfs_handle_t *hdl) 66899653d4eSeschrock { 66999653d4eSeschrock (void) close(hdl->libzfs_fd); 67099653d4eSeschrock if (hdl->libzfs_mnttab) 67199653d4eSeschrock (void) fclose(hdl->libzfs_mnttab); 67299653d4eSeschrock if (hdl->libzfs_sharetab) 67399653d4eSeschrock (void) fclose(hdl->libzfs_sharetab); 67467331909Sdougm zfs_uninit_libshare(hdl); 67529ab75c9Srm zpool_free_handles(hdl); 676069f55e2SEric Schrock libzfs_fru_clear(hdl, B_TRUE); 67799653d4eSeschrock namespace_clear(hdl); 678b2634b9cSEric Taylor libzfs_mnttab_fini(hdl); 6794445fffbSMatthew Ahrens libzfs_core_fini(); 68099653d4eSeschrock free(hdl); 68199653d4eSeschrock } 68299653d4eSeschrock 68399653d4eSeschrock libzfs_handle_t * 68499653d4eSeschrock zpool_get_handle(zpool_handle_t *zhp) 68599653d4eSeschrock { 68699653d4eSeschrock return (zhp->zpool_hdl); 68799653d4eSeschrock } 68899653d4eSeschrock 68999653d4eSeschrock libzfs_handle_t * 69099653d4eSeschrock zfs_get_handle(zfs_handle_t *zhp) 69199653d4eSeschrock { 69299653d4eSeschrock return (zhp->zfs_hdl); 69399653d4eSeschrock } 694e9dbad6fSeschrock 695d5b5bb25SRich Morris zpool_handle_t * 696d5b5bb25SRich Morris zfs_get_pool_handle(const zfs_handle_t *zhp) 697d5b5bb25SRich Morris { 698d5b5bb25SRich Morris return (zhp->zpool_hdl); 699d5b5bb25SRich Morris } 700d5b5bb25SRich Morris 7015aba80dbSck /* 7025aba80dbSck * Given a name, determine whether or not it's a valid path 7035aba80dbSck * (starts with '/' or "./"). If so, walk the mnttab trying 7045aba80dbSck * to match the device number. If not, treat the path as an 705edb901aaSMarcel Telka * fs/vol/snap/bkmark name. 7065aba80dbSck */ 7075aba80dbSck zfs_handle_t * 7085aba80dbSck zfs_path_to_zhandle(libzfs_handle_t *hdl, char *path, zfs_type_t argtype) 7095aba80dbSck { 7105aba80dbSck struct stat64 statbuf; 7115aba80dbSck struct extmnttab entry; 7125aba80dbSck int ret; 7135aba80dbSck 7145aba80dbSck if (path[0] != '/' && strncmp(path, "./", strlen("./")) != 0) { 7155aba80dbSck /* 7165aba80dbSck * It's not a valid path, assume it's a name of type 'argtype'. 7175aba80dbSck */ 7185aba80dbSck return (zfs_open(hdl, path, argtype)); 7195aba80dbSck } 7205aba80dbSck 7215aba80dbSck if (stat64(path, &statbuf) != 0) { 7225aba80dbSck (void) fprintf(stderr, "%s: %s\n", path, strerror(errno)); 7235aba80dbSck return (NULL); 7245aba80dbSck } 7255aba80dbSck 7265aba80dbSck rewind(hdl->libzfs_mnttab); 7275aba80dbSck while ((ret = getextmntent(hdl->libzfs_mnttab, &entry, 0)) == 0) { 7285aba80dbSck if (makedevice(entry.mnt_major, entry.mnt_minor) == 7295aba80dbSck statbuf.st_dev) { 7305aba80dbSck break; 7315aba80dbSck } 7325aba80dbSck } 7335aba80dbSck if (ret != 0) { 7345aba80dbSck return (NULL); 7355aba80dbSck } 7365aba80dbSck 7375aba80dbSck if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0) { 7385aba80dbSck (void) fprintf(stderr, gettext("'%s': not a ZFS filesystem\n"), 7395aba80dbSck path); 7405aba80dbSck return (NULL); 7415aba80dbSck } 7425aba80dbSck 7435aba80dbSck return (zfs_open(hdl, entry.mnt_special, ZFS_TYPE_FILESYSTEM)); 7445aba80dbSck } 7455aba80dbSck 746e9dbad6fSeschrock /* 747e9dbad6fSeschrock * Initialize the zc_nvlist_dst member to prepare for receiving an nvlist from 748e9dbad6fSeschrock * an ioctl(). 749e9dbad6fSeschrock */ 750e9dbad6fSeschrock int 751e9dbad6fSeschrock zcmd_alloc_dst_nvlist(libzfs_handle_t *hdl, zfs_cmd_t *zc, size_t len) 752e9dbad6fSeschrock { 753e9dbad6fSeschrock if (len == 0) 7544b964adaSGeorge Wilson len = 16 * 1024; 755e9dbad6fSeschrock zc->zc_nvlist_dst_size = len; 75630925561SChris Williamson zc->zc_nvlist_dst = 75730925561SChris Williamson (uint64_t)(uintptr_t)zfs_alloc(hdl, zc->zc_nvlist_dst_size); 75830925561SChris Williamson if (zc->zc_nvlist_dst == 0) 759e9dbad6fSeschrock return (-1); 760e9dbad6fSeschrock 761e9dbad6fSeschrock return (0); 762e9dbad6fSeschrock } 763e9dbad6fSeschrock 764e9dbad6fSeschrock /* 765e9dbad6fSeschrock * Called when an ioctl() which returns an nvlist fails with ENOMEM. This will 766e9dbad6fSeschrock * expand the nvlist to the size specified in 'zc_nvlist_dst_size', which was 767e9dbad6fSeschrock * filled in by the kernel to indicate the actual required size. 768e9dbad6fSeschrock */ 769e9dbad6fSeschrock int 770e9dbad6fSeschrock zcmd_expand_dst_nvlist(libzfs_handle_t *hdl, zfs_cmd_t *zc) 771e9dbad6fSeschrock { 772e9dbad6fSeschrock free((void *)(uintptr_t)zc->zc_nvlist_dst); 77330925561SChris Williamson zc->zc_nvlist_dst = 77430925561SChris Williamson (uint64_t)(uintptr_t)zfs_alloc(hdl, zc->zc_nvlist_dst_size); 77530925561SChris Williamson if (zc->zc_nvlist_dst == 0) 776e9dbad6fSeschrock return (-1); 777e9dbad6fSeschrock 778e9dbad6fSeschrock return (0); 779e9dbad6fSeschrock } 780e9dbad6fSeschrock 781e9dbad6fSeschrock /* 782a2eea2e1Sahrens * Called to free the src and dst nvlists stored in the command structure. 783e9dbad6fSeschrock */ 784e9dbad6fSeschrock void 785e9dbad6fSeschrock zcmd_free_nvlists(zfs_cmd_t *zc) 786e9dbad6fSeschrock { 787990b4856Slling free((void *)(uintptr_t)zc->zc_nvlist_conf); 788e9dbad6fSeschrock free((void *)(uintptr_t)zc->zc_nvlist_src); 789e9dbad6fSeschrock free((void *)(uintptr_t)zc->zc_nvlist_dst); 79030925561SChris Williamson zc->zc_nvlist_conf = NULL; 79130925561SChris Williamson zc->zc_nvlist_src = NULL; 79230925561SChris Williamson zc->zc_nvlist_dst = NULL; 793e9dbad6fSeschrock } 794e9dbad6fSeschrock 795990b4856Slling static int 796990b4856Slling zcmd_write_nvlist_com(libzfs_handle_t *hdl, uint64_t *outnv, uint64_t *outlen, 797990b4856Slling nvlist_t *nvl) 798e9dbad6fSeschrock { 799e9dbad6fSeschrock char *packed; 800e9dbad6fSeschrock size_t len; 801e9dbad6fSeschrock 802e9dbad6fSeschrock verify(nvlist_size(nvl, &len, NV_ENCODE_NATIVE) == 0); 803e9dbad6fSeschrock 804e9dbad6fSeschrock if ((packed = zfs_alloc(hdl, len)) == NULL) 805e9dbad6fSeschrock return (-1); 806e9dbad6fSeschrock 807e9dbad6fSeschrock verify(nvlist_pack(nvl, &packed, &len, NV_ENCODE_NATIVE, 0) == 0); 808e9dbad6fSeschrock 809990b4856Slling *outnv = (uint64_t)(uintptr_t)packed; 810990b4856Slling *outlen = len; 811e9dbad6fSeschrock 812e9dbad6fSeschrock return (0); 813e9dbad6fSeschrock } 814e9dbad6fSeschrock 815990b4856Slling int 816990b4856Slling zcmd_write_conf_nvlist(libzfs_handle_t *hdl, zfs_cmd_t *zc, nvlist_t *nvl) 817990b4856Slling { 818990b4856Slling return (zcmd_write_nvlist_com(hdl, &zc->zc_nvlist_conf, 819990b4856Slling &zc->zc_nvlist_conf_size, nvl)); 820990b4856Slling } 821990b4856Slling 822990b4856Slling int 823990b4856Slling zcmd_write_src_nvlist(libzfs_handle_t *hdl, zfs_cmd_t *zc, nvlist_t *nvl) 824990b4856Slling { 825990b4856Slling return (zcmd_write_nvlist_com(hdl, &zc->zc_nvlist_src, 826990b4856Slling &zc->zc_nvlist_src_size, nvl)); 827990b4856Slling } 828990b4856Slling 829e9dbad6fSeschrock /* 830e9dbad6fSeschrock * Unpacks an nvlist from the ZFS ioctl command structure. 831e9dbad6fSeschrock */ 832e9dbad6fSeschrock int 833e9dbad6fSeschrock zcmd_read_dst_nvlist(libzfs_handle_t *hdl, zfs_cmd_t *zc, nvlist_t **nvlp) 834e9dbad6fSeschrock { 835e9dbad6fSeschrock if (nvlist_unpack((void *)(uintptr_t)zc->zc_nvlist_dst, 836e9dbad6fSeschrock zc->zc_nvlist_dst_size, nvlp, 0) != 0) 837e9dbad6fSeschrock return (no_memory(hdl)); 838e9dbad6fSeschrock 839e9dbad6fSeschrock return (0); 840e9dbad6fSeschrock } 841b1b8ab34Slling 842990b4856Slling int 843990b4856Slling zfs_ioctl(libzfs_handle_t *hdl, int request, zfs_cmd_t *zc) 844990b4856Slling { 8454445fffbSMatthew Ahrens return (ioctl(hdl->libzfs_fd, request, zc)); 846990b4856Slling } 847990b4856Slling 848990b4856Slling /* 849990b4856Slling * ================================================================ 850990b4856Slling * API shared by zfs and zpool property management 851990b4856Slling * ================================================================ 852990b4856Slling */ 853990b4856Slling 854b1b8ab34Slling static void 855990b4856Slling zprop_print_headers(zprop_get_cbdata_t *cbp, zfs_type_t type) 856b1b8ab34Slling { 857990b4856Slling zprop_list_t *pl = cbp->cb_proplist; 858b1b8ab34Slling int i; 859b1b8ab34Slling char *title; 860b1b8ab34Slling size_t len; 861b1b8ab34Slling 862b1b8ab34Slling cbp->cb_first = B_FALSE; 863b1b8ab34Slling if (cbp->cb_scripted) 864b1b8ab34Slling return; 865b1b8ab34Slling 866b1b8ab34Slling /* 867b1b8ab34Slling * Start with the length of the column headers. 868b1b8ab34Slling */ 869b1b8ab34Slling cbp->cb_colwidths[GET_COL_NAME] = strlen(dgettext(TEXT_DOMAIN, "NAME")); 870b1b8ab34Slling cbp->cb_colwidths[GET_COL_PROPERTY] = strlen(dgettext(TEXT_DOMAIN, 871b1b8ab34Slling "PROPERTY")); 872b1b8ab34Slling cbp->cb_colwidths[GET_COL_VALUE] = strlen(dgettext(TEXT_DOMAIN, 873b1b8ab34Slling "VALUE")); 87492241e0bSTom Erickson cbp->cb_colwidths[GET_COL_RECVD] = strlen(dgettext(TEXT_DOMAIN, 87592241e0bSTom Erickson "RECEIVED")); 876b1b8ab34Slling cbp->cb_colwidths[GET_COL_SOURCE] = strlen(dgettext(TEXT_DOMAIN, 877b1b8ab34Slling "SOURCE")); 878b1b8ab34Slling 879deb8317bSMark J Musante /* first property is always NAME */ 880deb8317bSMark J Musante assert(cbp->cb_proplist->pl_prop == 881deb8317bSMark J Musante ((type == ZFS_TYPE_POOL) ? ZPOOL_PROP_NAME : ZFS_PROP_NAME)); 882deb8317bSMark J Musante 883b1b8ab34Slling /* 884b1b8ab34Slling * Go through and calculate the widths for each column. For the 885b1b8ab34Slling * 'source' column, we kludge it up by taking the worst-case scenario of 886b1b8ab34Slling * inheriting from the longest name. This is acceptable because in the 887b1b8ab34Slling * majority of cases 'SOURCE' is the last column displayed, and we don't 888b1b8ab34Slling * use the width anyway. Note that the 'VALUE' column can be oversized, 88992241e0bSTom Erickson * if the name of the property is much longer than any values we find. 890b1b8ab34Slling */ 891b1b8ab34Slling for (pl = cbp->cb_proplist; pl != NULL; pl = pl->pl_next) { 892b1b8ab34Slling /* 893b1b8ab34Slling * 'PROPERTY' column 894b1b8ab34Slling */ 895990b4856Slling if (pl->pl_prop != ZPROP_INVAL) { 896990b4856Slling const char *propname = (type == ZFS_TYPE_POOL) ? 897990b4856Slling zpool_prop_to_name(pl->pl_prop) : 898990b4856Slling zfs_prop_to_name(pl->pl_prop); 899990b4856Slling 900990b4856Slling len = strlen(propname); 901b1b8ab34Slling if (len > cbp->cb_colwidths[GET_COL_PROPERTY]) 902b1b8ab34Slling cbp->cb_colwidths[GET_COL_PROPERTY] = len; 903b1b8ab34Slling } else { 904b1b8ab34Slling len = strlen(pl->pl_user_prop); 905b1b8ab34Slling if (len > cbp->cb_colwidths[GET_COL_PROPERTY]) 906b1b8ab34Slling cbp->cb_colwidths[GET_COL_PROPERTY] = len; 907b1b8ab34Slling } 908b1b8ab34Slling 909b1b8ab34Slling /* 910deb8317bSMark J Musante * 'VALUE' column. The first property is always the 'name' 911deb8317bSMark J Musante * property that was tacked on either by /sbin/zfs's 912deb8317bSMark J Musante * zfs_do_get() or when calling zprop_expand_list(), so we 913deb8317bSMark J Musante * ignore its width. If the user specified the name property 914deb8317bSMark J Musante * to display, then it will be later in the list in any case. 915b1b8ab34Slling */ 916deb8317bSMark J Musante if (pl != cbp->cb_proplist && 917b1b8ab34Slling pl->pl_width > cbp->cb_colwidths[GET_COL_VALUE]) 918b1b8ab34Slling cbp->cb_colwidths[GET_COL_VALUE] = pl->pl_width; 919b1b8ab34Slling 92092241e0bSTom Erickson /* 'RECEIVED' column. */ 92192241e0bSTom Erickson if (pl != cbp->cb_proplist && 92292241e0bSTom Erickson pl->pl_recvd_width > cbp->cb_colwidths[GET_COL_RECVD]) 92392241e0bSTom Erickson cbp->cb_colwidths[GET_COL_RECVD] = pl->pl_recvd_width; 92492241e0bSTom Erickson 925b1b8ab34Slling /* 926b1b8ab34Slling * 'NAME' and 'SOURCE' columns 927b1b8ab34Slling */ 928990b4856Slling if (pl->pl_prop == (type == ZFS_TYPE_POOL ? ZPOOL_PROP_NAME : 929990b4856Slling ZFS_PROP_NAME) && 930b1b8ab34Slling pl->pl_width > cbp->cb_colwidths[GET_COL_NAME]) { 931b1b8ab34Slling cbp->cb_colwidths[GET_COL_NAME] = pl->pl_width; 932b1b8ab34Slling cbp->cb_colwidths[GET_COL_SOURCE] = pl->pl_width + 933b1b8ab34Slling strlen(dgettext(TEXT_DOMAIN, "inherited from")); 934b1b8ab34Slling } 935b1b8ab34Slling } 936b1b8ab34Slling 937b1b8ab34Slling /* 938b1b8ab34Slling * Now go through and print the headers. 939b1b8ab34Slling */ 94092241e0bSTom Erickson for (i = 0; i < ZFS_GET_NCOLS; i++) { 941b1b8ab34Slling switch (cbp->cb_columns[i]) { 942b1b8ab34Slling case GET_COL_NAME: 943b1b8ab34Slling title = dgettext(TEXT_DOMAIN, "NAME"); 944b1b8ab34Slling break; 945b1b8ab34Slling case GET_COL_PROPERTY: 946b1b8ab34Slling title = dgettext(TEXT_DOMAIN, "PROPERTY"); 947b1b8ab34Slling break; 948b1b8ab34Slling case GET_COL_VALUE: 949b1b8ab34Slling title = dgettext(TEXT_DOMAIN, "VALUE"); 950b1b8ab34Slling break; 95192241e0bSTom Erickson case GET_COL_RECVD: 95292241e0bSTom Erickson title = dgettext(TEXT_DOMAIN, "RECEIVED"); 95392241e0bSTom Erickson break; 954b1b8ab34Slling case GET_COL_SOURCE: 955b1b8ab34Slling title = dgettext(TEXT_DOMAIN, "SOURCE"); 956b1b8ab34Slling break; 957b1b8ab34Slling default: 958b1b8ab34Slling title = NULL; 959b1b8ab34Slling } 960b1b8ab34Slling 961b1b8ab34Slling if (title != NULL) { 96292241e0bSTom Erickson if (i == (ZFS_GET_NCOLS - 1) || 96392241e0bSTom Erickson cbp->cb_columns[i + 1] == GET_COL_NONE) 964b1b8ab34Slling (void) printf("%s", title); 965b1b8ab34Slling else 966b1b8ab34Slling (void) printf("%-*s ", 967b1b8ab34Slling cbp->cb_colwidths[cbp->cb_columns[i]], 968b1b8ab34Slling title); 969b1b8ab34Slling } 970b1b8ab34Slling } 971b1b8ab34Slling (void) printf("\n"); 972b1b8ab34Slling } 973b1b8ab34Slling 974b1b8ab34Slling /* 975b1b8ab34Slling * Display a single line of output, according to the settings in the callback 976b1b8ab34Slling * structure. 977b1b8ab34Slling */ 978b1b8ab34Slling void 979990b4856Slling zprop_print_one_property(const char *name, zprop_get_cbdata_t *cbp, 980990b4856Slling const char *propname, const char *value, zprop_source_t sourcetype, 98192241e0bSTom Erickson const char *source, const char *recvd_value) 982b1b8ab34Slling { 983b1b8ab34Slling int i; 984f83b46baSPaul Dagnelie const char *str = NULL; 985b1b8ab34Slling char buf[128]; 986b1b8ab34Slling 987b1b8ab34Slling /* 988b1b8ab34Slling * Ignore those source types that the user has chosen to ignore. 989b1b8ab34Slling */ 990b1b8ab34Slling if ((sourcetype & cbp->cb_sources) == 0) 991b1b8ab34Slling return; 992b1b8ab34Slling 993b1b8ab34Slling if (cbp->cb_first) 994990b4856Slling zprop_print_headers(cbp, cbp->cb_type); 995b1b8ab34Slling 99692241e0bSTom Erickson for (i = 0; i < ZFS_GET_NCOLS; i++) { 997b1b8ab34Slling switch (cbp->cb_columns[i]) { 998b1b8ab34Slling case GET_COL_NAME: 999b1b8ab34Slling str = name; 1000b1b8ab34Slling break; 1001b1b8ab34Slling 1002b1b8ab34Slling case GET_COL_PROPERTY: 1003b1b8ab34Slling str = propname; 1004b1b8ab34Slling break; 1005b1b8ab34Slling 1006b1b8ab34Slling case GET_COL_VALUE: 1007b1b8ab34Slling str = value; 1008b1b8ab34Slling break; 1009b1b8ab34Slling 1010b1b8ab34Slling case GET_COL_SOURCE: 1011b1b8ab34Slling switch (sourcetype) { 1012990b4856Slling case ZPROP_SRC_NONE: 1013b1b8ab34Slling str = "-"; 1014b1b8ab34Slling break; 1015b1b8ab34Slling 1016990b4856Slling case ZPROP_SRC_DEFAULT: 1017b1b8ab34Slling str = "default"; 1018b1b8ab34Slling break; 1019b1b8ab34Slling 1020990b4856Slling case ZPROP_SRC_LOCAL: 1021b1b8ab34Slling str = "local"; 1022b1b8ab34Slling break; 1023b1b8ab34Slling 1024990b4856Slling case ZPROP_SRC_TEMPORARY: 1025b1b8ab34Slling str = "temporary"; 1026b1b8ab34Slling break; 1027b1b8ab34Slling 1028990b4856Slling case ZPROP_SRC_INHERITED: 1029b1b8ab34Slling (void) snprintf(buf, sizeof (buf), 1030b1b8ab34Slling "inherited from %s", source); 1031b1b8ab34Slling str = buf; 1032b1b8ab34Slling break; 103392241e0bSTom Erickson case ZPROP_SRC_RECEIVED: 103492241e0bSTom Erickson str = "received"; 103592241e0bSTom Erickson break; 103688f61deeSIgor Kozhukhov 103788f61deeSIgor Kozhukhov default: 103888f61deeSIgor Kozhukhov str = NULL; 103988f61deeSIgor Kozhukhov assert(!"unhandled zprop_source_t"); 1040b1b8ab34Slling } 1041b1b8ab34Slling break; 1042b1b8ab34Slling 104392241e0bSTom Erickson case GET_COL_RECVD: 104492241e0bSTom Erickson str = (recvd_value == NULL ? "-" : recvd_value); 104592241e0bSTom Erickson break; 104692241e0bSTom Erickson 1047b1b8ab34Slling default: 1048b1b8ab34Slling continue; 1049b1b8ab34Slling } 1050b1b8ab34Slling 105192241e0bSTom Erickson if (cbp->cb_columns[i + 1] == GET_COL_NONE) 1052b1b8ab34Slling (void) printf("%s", str); 1053b1b8ab34Slling else if (cbp->cb_scripted) 1054b1b8ab34Slling (void) printf("%s\t", str); 1055b1b8ab34Slling else 1056b1b8ab34Slling (void) printf("%-*s ", 1057b1b8ab34Slling cbp->cb_colwidths[cbp->cb_columns[i]], 1058b1b8ab34Slling str); 1059b1b8ab34Slling } 1060b1b8ab34Slling 1061b1b8ab34Slling (void) printf("\n"); 1062b1b8ab34Slling } 1063ecd6cf80Smarks 1064990b4856Slling /* 1065990b4856Slling * Given a numeric suffix, convert the value into a number of bits that the 1066990b4856Slling * resulting value must be shifted. 1067990b4856Slling */ 1068990b4856Slling static int 1069990b4856Slling str2shift(libzfs_handle_t *hdl, const char *buf) 1070990b4856Slling { 1071990b4856Slling const char *ends = "BKMGTPEZ"; 1072990b4856Slling int i; 1073990b4856Slling 1074990b4856Slling if (buf[0] == '\0') 1075990b4856Slling return (0); 1076990b4856Slling for (i = 0; i < strlen(ends); i++) { 1077990b4856Slling if (toupper(buf[0]) == ends[i]) 1078990b4856Slling break; 1079990b4856Slling } 1080990b4856Slling if (i == strlen(ends)) { 1081990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1082990b4856Slling "invalid numeric suffix '%s'"), buf); 1083990b4856Slling return (-1); 1084990b4856Slling } 1085990b4856Slling 1086990b4856Slling /* 1087990b4856Slling * We want to allow trailing 'b' characters for 'GB' or 'Mb'. But don't 1088990b4856Slling * allow 'BB' - that's just weird. 1089990b4856Slling */ 1090990b4856Slling if (buf[1] == '\0' || (toupper(buf[1]) == 'B' && buf[2] == '\0' && 1091990b4856Slling toupper(buf[0]) != 'B')) 1092990b4856Slling return (10*i); 1093990b4856Slling 1094990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1095990b4856Slling "invalid numeric suffix '%s'"), buf); 1096990b4856Slling return (-1); 1097990b4856Slling } 1098990b4856Slling 1099990b4856Slling /* 1100990b4856Slling * Convert a string of the form '100G' into a real number. Used when setting 1101990b4856Slling * properties or creating a volume. 'buf' is used to place an extended error 1102990b4856Slling * message for the caller to use. 1103990b4856Slling */ 1104ecd6cf80Smarks int 1105990b4856Slling zfs_nicestrtonum(libzfs_handle_t *hdl, const char *value, uint64_t *num) 1106ecd6cf80Smarks { 1107990b4856Slling char *end; 1108990b4856Slling int shift; 1109ecd6cf80Smarks 1110990b4856Slling *num = 0; 1111990b4856Slling 1112990b4856Slling /* Check to see if this looks like a number. */ 1113990b4856Slling if ((value[0] < '0' || value[0] > '9') && value[0] != '.') { 1114990b4856Slling if (hdl) 1115990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1116990b4856Slling "bad numeric value '%s'"), value); 1117990b4856Slling return (-1); 1118ecd6cf80Smarks } 1119ecd6cf80Smarks 1120069f55e2SEric Schrock /* Rely on strtoull() to process the numeric portion. */ 1121990b4856Slling errno = 0; 1122f67f35c3SEric Schrock *num = strtoull(value, &end, 10); 1123990b4856Slling 1124990b4856Slling /* 1125990b4856Slling * Check for ERANGE, which indicates that the value is too large to fit 1126990b4856Slling * in a 64-bit value. 1127990b4856Slling */ 1128990b4856Slling if (errno == ERANGE) { 1129990b4856Slling if (hdl) 1130990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1131990b4856Slling "numeric value is too large")); 1132990b4856Slling return (-1); 1133990b4856Slling } 1134990b4856Slling 1135990b4856Slling /* 1136990b4856Slling * If we have a decimal value, then do the computation with floating 1137990b4856Slling * point arithmetic. Otherwise, use standard arithmetic. 1138990b4856Slling */ 1139990b4856Slling if (*end == '.') { 1140990b4856Slling double fval = strtod(value, &end); 1141990b4856Slling 1142990b4856Slling if ((shift = str2shift(hdl, end)) == -1) 1143990b4856Slling return (-1); 1144990b4856Slling 1145990b4856Slling fval *= pow(2, shift); 1146990b4856Slling 1147990b4856Slling if (fval > UINT64_MAX) { 1148990b4856Slling if (hdl) 1149990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1150990b4856Slling "numeric value is too large")); 1151990b4856Slling return (-1); 1152990b4856Slling } 1153990b4856Slling 1154990b4856Slling *num = (uint64_t)fval; 1155990b4856Slling } else { 1156990b4856Slling if ((shift = str2shift(hdl, end)) == -1) 1157990b4856Slling return (-1); 1158990b4856Slling 1159990b4856Slling /* Check for overflow */ 1160990b4856Slling if (shift >= 64 || (*num << shift) >> shift != *num) { 1161990b4856Slling if (hdl) 1162990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1163990b4856Slling "numeric value is too large")); 1164990b4856Slling return (-1); 1165990b4856Slling } 1166990b4856Slling 1167990b4856Slling *num <<= shift; 1168990b4856Slling } 1169990b4856Slling 1170990b4856Slling return (0); 1171990b4856Slling } 1172990b4856Slling 1173990b4856Slling /* 1174990b4856Slling * Given a propname=value nvpair to set, parse any numeric properties 1175990b4856Slling * (index, boolean, etc) if they are specified as strings and add the 1176990b4856Slling * resulting nvpair to the returned nvlist. 1177990b4856Slling * 1178990b4856Slling * At the DSL layer, all properties are either 64-bit numbers or strings. 1179990b4856Slling * We want the user to be able to ignore this fact and specify properties 1180990b4856Slling * as native values (numbers, for example) or as strings (to simplify 1181990b4856Slling * command line utilities). This also handles converting index types 1182990b4856Slling * (compression, checksum, etc) from strings to their on-disk index. 1183990b4856Slling */ 1184990b4856Slling int 1185990b4856Slling zprop_parse_value(libzfs_handle_t *hdl, nvpair_t *elem, int prop, 1186990b4856Slling zfs_type_t type, nvlist_t *ret, char **svalp, uint64_t *ivalp, 1187990b4856Slling const char *errbuf) 1188990b4856Slling { 1189990b4856Slling data_type_t datatype = nvpair_type(elem); 1190990b4856Slling zprop_type_t proptype; 1191990b4856Slling const char *propname; 1192990b4856Slling char *value; 1193990b4856Slling boolean_t isnone = B_FALSE; 11941c10ae76SMike Gerdts boolean_t isauto = B_FALSE; 1195990b4856Slling 1196990b4856Slling if (type == ZFS_TYPE_POOL) { 1197990b4856Slling proptype = zpool_prop_get_type(prop); 1198990b4856Slling propname = zpool_prop_to_name(prop); 1199990b4856Slling } else { 1200990b4856Slling proptype = zfs_prop_get_type(prop); 1201990b4856Slling propname = zfs_prop_to_name(prop); 1202990b4856Slling } 1203990b4856Slling 1204990b4856Slling /* 1205990b4856Slling * Convert any properties to the internal DSL value types. 1206990b4856Slling */ 1207990b4856Slling *svalp = NULL; 1208990b4856Slling *ivalp = 0; 1209990b4856Slling 1210990b4856Slling switch (proptype) { 1211990b4856Slling case PROP_TYPE_STRING: 1212990b4856Slling if (datatype != DATA_TYPE_STRING) { 1213990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1214990b4856Slling "'%s' must be a string"), nvpair_name(elem)); 1215990b4856Slling goto error; 1216990b4856Slling } 1217990b4856Slling (void) nvpair_value_string(elem, svalp); 1218990b4856Slling if (strlen(*svalp) >= ZFS_MAXPROPLEN) { 1219990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1220990b4856Slling "'%s' is too long"), nvpair_name(elem)); 1221990b4856Slling goto error; 1222990b4856Slling } 1223990b4856Slling break; 1224990b4856Slling 1225990b4856Slling case PROP_TYPE_NUMBER: 1226990b4856Slling if (datatype == DATA_TYPE_STRING) { 1227990b4856Slling (void) nvpair_value_string(elem, &value); 1228990b4856Slling if (strcmp(value, "none") == 0) { 1229990b4856Slling isnone = B_TRUE; 12301c10ae76SMike Gerdts } else if (strcmp(value, "auto") == 0) { 12311c10ae76SMike Gerdts isauto = B_TRUE; 12321c10ae76SMike Gerdts } else if (zfs_nicestrtonum(hdl, value, ivalp) != 0) { 1233990b4856Slling goto error; 1234990b4856Slling } 1235990b4856Slling } else if (datatype == DATA_TYPE_UINT64) { 1236990b4856Slling (void) nvpair_value_uint64(elem, ivalp); 1237990b4856Slling } else { 1238990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1239990b4856Slling "'%s' must be a number"), nvpair_name(elem)); 1240990b4856Slling goto error; 1241990b4856Slling } 1242990b4856Slling 1243990b4856Slling /* 1244990b4856Slling * Quota special: force 'none' and don't allow 0. 1245990b4856Slling */ 1246a9799022Sck if ((type & ZFS_TYPE_DATASET) && *ivalp == 0 && !isnone && 1247a9799022Sck (prop == ZFS_PROP_QUOTA || prop == ZFS_PROP_REFQUOTA)) { 1248990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1249a9799022Sck "use 'none' to disable quota/refquota")); 1250990b4856Slling goto error; 1251990b4856Slling } 1252a2afb611SJerry Jelinek 1253a2afb611SJerry Jelinek /* 1254a2afb611SJerry Jelinek * Special handling for "*_limit=none". In this case it's not 1255a2afb611SJerry Jelinek * 0 but UINT64_MAX. 1256a2afb611SJerry Jelinek */ 1257a2afb611SJerry Jelinek if ((type & ZFS_TYPE_DATASET) && isnone && 1258a2afb611SJerry Jelinek (prop == ZFS_PROP_FILESYSTEM_LIMIT || 1259a2afb611SJerry Jelinek prop == ZFS_PROP_SNAPSHOT_LIMIT)) { 1260a2afb611SJerry Jelinek *ivalp = UINT64_MAX; 1261a2afb611SJerry Jelinek } 12621c10ae76SMike Gerdts 12631c10ae76SMike Gerdts /* 12641c10ae76SMike Gerdts * Special handling for setting 'refreservation' to 'auto'. Use 12651c10ae76SMike Gerdts * UINT64_MAX to tell the caller to use zfs_fix_auto_resv(). 12661c10ae76SMike Gerdts * 'auto' is only allowed on volumes. 12671c10ae76SMike Gerdts */ 12681c10ae76SMike Gerdts if (isauto) { 12691c10ae76SMike Gerdts switch (prop) { 12701c10ae76SMike Gerdts case ZFS_PROP_REFRESERVATION: 12711c10ae76SMike Gerdts if ((type & ZFS_TYPE_VOLUME) == 0) { 12721c10ae76SMike Gerdts zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 12731c10ae76SMike Gerdts "'%s=auto' only allowed on " 12741c10ae76SMike Gerdts "volumes"), nvpair_name(elem)); 12751c10ae76SMike Gerdts goto error; 12761c10ae76SMike Gerdts } 12771c10ae76SMike Gerdts *ivalp = UINT64_MAX; 12781c10ae76SMike Gerdts break; 12791c10ae76SMike Gerdts default: 12801c10ae76SMike Gerdts zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 12811c10ae76SMike Gerdts "'auto' is invalid value for '%s'"), 12821c10ae76SMike Gerdts nvpair_name(elem)); 12831c10ae76SMike Gerdts goto error; 12841c10ae76SMike Gerdts } 12851c10ae76SMike Gerdts } 12861c10ae76SMike Gerdts 1287990b4856Slling break; 1288990b4856Slling 1289990b4856Slling case PROP_TYPE_INDEX: 1290a9799022Sck if (datatype != DATA_TYPE_STRING) { 1291990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1292990b4856Slling "'%s' must be a string"), nvpair_name(elem)); 1293990b4856Slling goto error; 1294990b4856Slling } 1295990b4856Slling 1296a9799022Sck (void) nvpair_value_string(elem, &value); 1297a9799022Sck 1298990b4856Slling if (zprop_string_to_index(prop, value, ivalp, type) != 0) { 1299990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1300990b4856Slling "'%s' must be one of '%s'"), propname, 1301990b4856Slling zprop_values(prop, type)); 1302990b4856Slling goto error; 1303990b4856Slling } 1304990b4856Slling break; 1305990b4856Slling 1306990b4856Slling default: 1307990b4856Slling abort(); 1308990b4856Slling } 1309990b4856Slling 1310990b4856Slling /* 1311990b4856Slling * Add the result to our return set of properties. 1312990b4856Slling */ 1313990b4856Slling if (*svalp != NULL) { 1314990b4856Slling if (nvlist_add_string(ret, propname, *svalp) != 0) { 1315990b4856Slling (void) no_memory(hdl); 1316990b4856Slling return (-1); 1317990b4856Slling } 1318990b4856Slling } else { 1319990b4856Slling if (nvlist_add_uint64(ret, propname, *ivalp) != 0) { 1320990b4856Slling (void) no_memory(hdl); 1321990b4856Slling return (-1); 1322990b4856Slling } 1323990b4856Slling } 1324990b4856Slling 1325990b4856Slling return (0); 1326990b4856Slling error: 1327990b4856Slling (void) zfs_error(hdl, EZFS_BADPROP, errbuf); 1328990b4856Slling return (-1); 1329990b4856Slling } 1330990b4856Slling 133174e7dc98SMatthew Ahrens static int 133274e7dc98SMatthew Ahrens addlist(libzfs_handle_t *hdl, char *propname, zprop_list_t **listp, 133374e7dc98SMatthew Ahrens zfs_type_t type) 133474e7dc98SMatthew Ahrens { 133574e7dc98SMatthew Ahrens int prop; 133674e7dc98SMatthew Ahrens zprop_list_t *entry; 133774e7dc98SMatthew Ahrens 133874e7dc98SMatthew Ahrens prop = zprop_name_to_prop(propname, type); 133974e7dc98SMatthew Ahrens 134074e7dc98SMatthew Ahrens if (prop != ZPROP_INVAL && !zprop_valid_for_type(prop, type)) 134174e7dc98SMatthew Ahrens prop = ZPROP_INVAL; 134274e7dc98SMatthew Ahrens 134374e7dc98SMatthew Ahrens /* 134474e7dc98SMatthew Ahrens * When no property table entry can be found, return failure if 134574e7dc98SMatthew Ahrens * this is a pool property or if this isn't a user-defined 134674e7dc98SMatthew Ahrens * dataset property, 134774e7dc98SMatthew Ahrens */ 1348ad135b5dSChristopher Siden if (prop == ZPROP_INVAL && ((type == ZFS_TYPE_POOL && 1349ad135b5dSChristopher Siden !zpool_prop_feature(propname) && 1350ad135b5dSChristopher Siden !zpool_prop_unsupported(propname)) || 1351ad135b5dSChristopher Siden (type == ZFS_TYPE_DATASET && !zfs_prop_user(propname) && 1352ad135b5dSChristopher Siden !zfs_prop_userquota(propname) && !zfs_prop_written(propname)))) { 135374e7dc98SMatthew Ahrens zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 135474e7dc98SMatthew Ahrens "invalid property '%s'"), propname); 135574e7dc98SMatthew Ahrens return (zfs_error(hdl, EZFS_BADPROP, 135674e7dc98SMatthew Ahrens dgettext(TEXT_DOMAIN, "bad property list"))); 135774e7dc98SMatthew Ahrens } 135874e7dc98SMatthew Ahrens 135974e7dc98SMatthew Ahrens if ((entry = zfs_alloc(hdl, sizeof (zprop_list_t))) == NULL) 136074e7dc98SMatthew Ahrens return (-1); 136174e7dc98SMatthew Ahrens 136274e7dc98SMatthew Ahrens entry->pl_prop = prop; 136374e7dc98SMatthew Ahrens if (prop == ZPROP_INVAL) { 1364ad135b5dSChristopher Siden if ((entry->pl_user_prop = zfs_strdup(hdl, propname)) == 1365ad135b5dSChristopher Siden NULL) { 136674e7dc98SMatthew Ahrens free(entry); 136774e7dc98SMatthew Ahrens return (-1); 136874e7dc98SMatthew Ahrens } 136974e7dc98SMatthew Ahrens entry->pl_width = strlen(propname); 137074e7dc98SMatthew Ahrens } else { 137174e7dc98SMatthew Ahrens entry->pl_width = zprop_width(prop, &entry->pl_fixed, 137274e7dc98SMatthew Ahrens type); 137374e7dc98SMatthew Ahrens } 137474e7dc98SMatthew Ahrens 137574e7dc98SMatthew Ahrens *listp = entry; 137674e7dc98SMatthew Ahrens 137774e7dc98SMatthew Ahrens return (0); 137874e7dc98SMatthew Ahrens } 137974e7dc98SMatthew Ahrens 1380990b4856Slling /* 1381990b4856Slling * Given a comma-separated list of properties, construct a property list 1382990b4856Slling * containing both user-defined and native properties. This function will 1383990b4856Slling * return a NULL list if 'all' is specified, which can later be expanded 1384990b4856Slling * by zprop_expand_list(). 1385990b4856Slling */ 1386990b4856Slling int 1387990b4856Slling zprop_get_list(libzfs_handle_t *hdl, char *props, zprop_list_t **listp, 1388990b4856Slling zfs_type_t type) 1389990b4856Slling { 1390990b4856Slling *listp = NULL; 1391990b4856Slling 1392990b4856Slling /* 1393990b4856Slling * If 'all' is specified, return a NULL list. 1394990b4856Slling */ 1395990b4856Slling if (strcmp(props, "all") == 0) 1396990b4856Slling return (0); 1397990b4856Slling 1398990b4856Slling /* 1399990b4856Slling * If no props were specified, return an error. 1400990b4856Slling */ 1401990b4856Slling if (props[0] == '\0') { 1402990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1403990b4856Slling "no properties specified")); 1404990b4856Slling return (zfs_error(hdl, EZFS_BADPROP, dgettext(TEXT_DOMAIN, 1405990b4856Slling "bad property list"))); 1406990b4856Slling } 1407990b4856Slling 1408990b4856Slling /* 1409990b4856Slling * It would be nice to use getsubopt() here, but the inclusion of column 1410990b4856Slling * aliases makes this more effort than it's worth. 1411990b4856Slling */ 141274e7dc98SMatthew Ahrens while (*props != '\0') { 141374e7dc98SMatthew Ahrens size_t len; 141474e7dc98SMatthew Ahrens char *p; 141574e7dc98SMatthew Ahrens char c; 141674e7dc98SMatthew Ahrens 141774e7dc98SMatthew Ahrens if ((p = strchr(props, ',')) == NULL) { 141874e7dc98SMatthew Ahrens len = strlen(props); 141974e7dc98SMatthew Ahrens p = props + len; 1420990b4856Slling } else { 142174e7dc98SMatthew Ahrens len = p - props; 1422990b4856Slling } 1423990b4856Slling 1424990b4856Slling /* 1425990b4856Slling * Check for empty options. 1426990b4856Slling */ 1427990b4856Slling if (len == 0) { 1428990b4856Slling zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, 1429990b4856Slling "empty property name")); 1430990b4856Slling return (zfs_error(hdl, EZFS_BADPROP, 1431990b4856Slling dgettext(TEXT_DOMAIN, "bad property list"))); 1432990b4856Slling } 1433990b4856Slling 1434990b4856Slling /* 1435990b4856Slling * Check all regular property names. 1436990b4856Slling */ 143774e7dc98SMatthew Ahrens c = props[len]; 143874e7dc98SMatthew Ahrens props[len] = '\0'; 143974e7dc98SMatthew Ahrens 144074e7dc98SMatthew Ahrens if (strcmp(props, "space") == 0) { 144174e7dc98SMatthew Ahrens static char *spaceprops[] = { 144274e7dc98SMatthew Ahrens "name", "avail", "used", "usedbysnapshots", 144374e7dc98SMatthew Ahrens "usedbydataset", "usedbyrefreservation", 144474e7dc98SMatthew Ahrens "usedbychildren", NULL 144574e7dc98SMatthew Ahrens }; 144674e7dc98SMatthew Ahrens int i; 144774e7dc98SMatthew Ahrens 144874e7dc98SMatthew Ahrens for (i = 0; spaceprops[i]; i++) { 144974e7dc98SMatthew Ahrens if (addlist(hdl, spaceprops[i], listp, type)) 145074e7dc98SMatthew Ahrens return (-1); 145174e7dc98SMatthew Ahrens listp = &(*listp)->pl_next; 1452990b4856Slling } 1453990b4856Slling } else { 145474e7dc98SMatthew Ahrens if (addlist(hdl, props, listp, type)) 145574e7dc98SMatthew Ahrens return (-1); 145674e7dc98SMatthew Ahrens listp = &(*listp)->pl_next; 1457990b4856Slling } 1458990b4856Slling 145974e7dc98SMatthew Ahrens props = p; 1460990b4856Slling if (c == ',') 146174e7dc98SMatthew Ahrens props++; 1462990b4856Slling } 1463990b4856Slling 1464990b4856Slling return (0); 1465990b4856Slling } 1466990b4856Slling 1467990b4856Slling void 1468990b4856Slling zprop_free_list(zprop_list_t *pl) 1469990b4856Slling { 1470990b4856Slling zprop_list_t *next; 1471990b4856Slling 1472990b4856Slling while (pl != NULL) { 1473990b4856Slling next = pl->pl_next; 1474990b4856Slling free(pl->pl_user_prop); 1475990b4856Slling free(pl); 1476990b4856Slling pl = next; 1477990b4856Slling } 1478990b4856Slling } 1479990b4856Slling 1480990b4856Slling typedef struct expand_data { 1481990b4856Slling zprop_list_t **last; 1482990b4856Slling libzfs_handle_t *hdl; 1483990b4856Slling zfs_type_t type; 1484990b4856Slling } expand_data_t; 1485990b4856Slling 1486990b4856Slling int 1487990b4856Slling zprop_expand_list_cb(int prop, void *cb) 1488990b4856Slling { 1489990b4856Slling zprop_list_t *entry; 1490990b4856Slling expand_data_t *edp = cb; 1491990b4856Slling 1492990b4856Slling if ((entry = zfs_alloc(edp->hdl, sizeof (zprop_list_t))) == NULL) 1493990b4856Slling return (ZPROP_INVAL); 1494990b4856Slling 1495990b4856Slling entry->pl_prop = prop; 1496990b4856Slling entry->pl_width = zprop_width(prop, &entry->pl_fixed, edp->type); 1497990b4856Slling entry->pl_all = B_TRUE; 1498990b4856Slling 1499990b4856Slling *(edp->last) = entry; 1500990b4856Slling edp->last = &entry->pl_next; 1501990b4856Slling 1502990b4856Slling return (ZPROP_CONT); 1503990b4856Slling } 1504990b4856Slling 1505990b4856Slling int 1506990b4856Slling zprop_expand_list(libzfs_handle_t *hdl, zprop_list_t **plp, zfs_type_t type) 1507990b4856Slling { 1508990b4856Slling zprop_list_t *entry; 1509990b4856Slling zprop_list_t **last; 1510990b4856Slling expand_data_t exp; 1511990b4856Slling 1512990b4856Slling if (*plp == NULL) { 1513990b4856Slling /* 1514990b4856Slling * If this is the very first time we've been called for an 'all' 1515990b4856Slling * specification, expand the list to include all native 1516990b4856Slling * properties. 1517990b4856Slling */ 1518990b4856Slling last = plp; 1519990b4856Slling 1520990b4856Slling exp.last = last; 1521990b4856Slling exp.hdl = hdl; 1522990b4856Slling exp.type = type; 1523990b4856Slling 1524990b4856Slling if (zprop_iter_common(zprop_expand_list_cb, &exp, B_FALSE, 1525990b4856Slling B_FALSE, type) == ZPROP_INVAL) 1526990b4856Slling return (-1); 1527990b4856Slling 1528990b4856Slling /* 1529990b4856Slling * Add 'name' to the beginning of the list, which is handled 1530990b4856Slling * specially. 1531990b4856Slling */ 1532990b4856Slling if ((entry = zfs_alloc(hdl, sizeof (zprop_list_t))) == NULL) 1533990b4856Slling return (-1); 1534990b4856Slling 1535990b4856Slling entry->pl_prop = (type == ZFS_TYPE_POOL) ? ZPOOL_PROP_NAME : 1536990b4856Slling ZFS_PROP_NAME; 1537990b4856Slling entry->pl_width = zprop_width(entry->pl_prop, 1538990b4856Slling &entry->pl_fixed, type); 1539990b4856Slling entry->pl_all = B_TRUE; 1540990b4856Slling entry->pl_next = *plp; 1541990b4856Slling *plp = entry; 1542990b4856Slling } 1543990b4856Slling return (0); 1544990b4856Slling } 1545990b4856Slling 1546990b4856Slling int 1547990b4856Slling zprop_iter(zprop_func func, void *cb, boolean_t show_all, boolean_t ordered, 1548990b4856Slling zfs_type_t type) 1549990b4856Slling { 1550990b4856Slling return (zprop_iter_common(func, cb, show_all, ordered, type)); 1551ecd6cf80Smarks } 15522bcf0248SMax Grossman 15532bcf0248SMax Grossman /* 15542bcf0248SMax Grossman * zfs_get_hole_count retrieves the number of holes (blocks which are 15552bcf0248SMax Grossman * zero-filled) in the specified file using the _FIO_COUNT_FILLED ioctl. It 15562bcf0248SMax Grossman * also optionally fetches the block size when bs is non-NULL. With hole count 15572bcf0248SMax Grossman * and block size the full space consumed by the holes of a file can be 15582bcf0248SMax Grossman * calculated. 15592bcf0248SMax Grossman * 15602bcf0248SMax Grossman * On success, zero is returned, the count argument is set to the 15612bcf0248SMax Grossman * number of holes, and the bs argument is set to the block size (if it is 15622bcf0248SMax Grossman * not NULL). On error, a non-zero errno is returned and the values in count 15632bcf0248SMax Grossman * and bs are undefined. 15642bcf0248SMax Grossman */ 15652bcf0248SMax Grossman int 15669a686fbcSPaul Dagnelie zfs_get_hole_count(const char *path, uint64_t *count, uint64_t *bs) 15679a686fbcSPaul Dagnelie { 15682bcf0248SMax Grossman int fd, err; 15692bcf0248SMax Grossman struct stat64 ss; 15702bcf0248SMax Grossman uint64_t fill; 15712bcf0248SMax Grossman 15722bcf0248SMax Grossman fd = open(path, O_RDONLY | O_LARGEFILE); 15732bcf0248SMax Grossman if (fd == -1) 15742bcf0248SMax Grossman return (errno); 15752bcf0248SMax Grossman 15762bcf0248SMax Grossman if (ioctl(fd, _FIO_COUNT_FILLED, &fill) == -1) { 15772bcf0248SMax Grossman err = errno; 15782bcf0248SMax Grossman (void) close(fd); 15792bcf0248SMax Grossman return (err); 15802bcf0248SMax Grossman } 15812bcf0248SMax Grossman 15822bcf0248SMax Grossman if (fstat64(fd, &ss) == -1) { 15832bcf0248SMax Grossman err = errno; 15842bcf0248SMax Grossman (void) close(fd); 15852bcf0248SMax Grossman return (err); 15862bcf0248SMax Grossman } 15872bcf0248SMax Grossman 15882bcf0248SMax Grossman *count = (ss.st_size + ss.st_blksize - 1) / ss.st_blksize - fill; 15892bcf0248SMax Grossman VERIFY3S(*count, >=, 0); 15902bcf0248SMax Grossman if (bs != NULL) { 15912bcf0248SMax Grossman *bs = ss.st_blksize; 15922bcf0248SMax Grossman } 15932bcf0248SMax Grossman 15942bcf0248SMax Grossman if (close(fd) == -1) { 15952bcf0248SMax Grossman return (errno); 15962bcf0248SMax Grossman } 15972bcf0248SMax Grossman return (0); 15982bcf0248SMax Grossman } 1599