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mirror_zfs/module/zcommon/zfs_prop.c
Tony Hutter 3c67d83a8a OpenZFS 4185 - add new cryptographic checksums to ZFS: SHA-512, Skein, Edon-R 
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Prakash Surya <prakash.surya@delphix.com>
Reviewed by: Saso Kiselkov <saso.kiselkov@nexenta.com>
Reviewed by: Richard Lowe <richlowe@richlowe.net>
Approved by: Garrett D'Amore <garrett@damore.org>
Ported by: Tony Hutter <hutter2@llnl.gov>

OpenZFS-issue: https://www.illumos.org/issues/4185
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/45818ee

Porting Notes:
This code is ported on top of the Illumos Crypto Framework code:

    b5e030c8db

The list of porting changes includes:

- Copied module/icp/include/sha2/sha2.h directly from illumos

- Removed from module/icp/algs/sha2/sha2.c:
	#pragma inline(SHA256Init, SHA384Init, SHA512Init)

- Added 'ctx' to lib/libzfs/libzfs_sendrecv.c:zio_checksum_SHA256() since
  it now takes in an extra parameter.

- Added CTASSERT() to assert.h from for module/zfs/edonr_zfs.c

- Added skein & edonr to libicp/Makefile.am

- Added sha512.S.  It was generated from sha512-x86_64.pl in Illumos.

- Updated ztest.c with new fletcher_4_*() args; used NULL for new CTX argument.

- In icp/algs/edonr/edonr_byteorder.h, Removed the #if defined(__linux) section
  to not #include the non-existant endian.h.

- In skein_test.c, renane NULL to 0 in "no test vector" array entries to get
  around a compiler warning.

- Fixup test files:
	- Rename <sys/varargs.h> -> <varargs.h>, <strings.h> -> <string.h>,
	- Remove <note.h> and define NOTE() as NOP.
	- Define u_longlong_t
	- Rename "#!/usr/bin/ksh" -> "#!/bin/ksh -p"
	- Rename NULL to 0 in "no test vector" array entries to get around a
	  compiler warning.
	- Remove "for isa in $($ISAINFO); do" stuff
	- Add/update Makefiles
	- Add some userspace headers like stdio.h/stdlib.h in places of
	  sys/types.h.

- EXPORT_SYMBOL *_Init/*_Update/*_Final... routines in ICP modules.

- Update scripts/zfs2zol-patch.sed

- include <sys/sha2.h> in sha2_impl.h

- Add sha2.h to include/sys/Makefile.am

- Add skein and edonr dirs to icp Makefile

- Add new checksums to zpool_get.cfg

- Move checksum switch block from zfs_secpolicy_setprop() to
  zfs_check_settable()

- Fix -Wuninitialized error in edonr_byteorder.h on PPC

- Fix stack frame size errors on ARM32
  	- Don't unroll loops in Skein on 32-bit to save stack space
  	- Add memory barriers in sha2.c on 32-bit to save stack space

- Add filetest_001_pos.ksh checksum sanity test

- Add option to write psudorandom data in file_write utility
2016-10-03 14:51:15 -07:00

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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2011, 2014 by Delphix. All rights reserved.
* Copyright (c) 2013 by Saso Kiselkov. All rights reserved.
*/
/* Portions Copyright 2010 Robert Milkowski */
#include <sys/zio.h>
#include <sys/spa.h>
#include <sys/u8_textprep.h>
#include <sys/zfs_acl.h>
#include <sys/zfs_ioctl.h>
#include <sys/zfs_znode.h>
#include "zfs_prop.h"
#include "zfs_deleg.h"
#include "zfs_fletcher.h"
#if defined(_KERNEL)
#include <sys/systm.h>
#else
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#endif
static zprop_desc_t zfs_prop_table[ZFS_NUM_PROPS];
/* Note this is indexed by zfs_userquota_prop_t, keep the order the same */
const char *zfs_userquota_prop_prefixes[] = {
"userused@",
"userquota@",
"groupused@",
"groupquota@"
};
zprop_desc_t *
zfs_prop_get_table(void)
{
return (zfs_prop_table);
}
void
zfs_prop_init(void)
{
static zprop_index_t checksum_table[] = {
{ "on", ZIO_CHECKSUM_ON },
{ "off", ZIO_CHECKSUM_OFF },
{ "fletcher2", ZIO_CHECKSUM_FLETCHER_2 },
{ "fletcher4", ZIO_CHECKSUM_FLETCHER_4 },
{ "sha256", ZIO_CHECKSUM_SHA256 },
{ "noparity", ZIO_CHECKSUM_NOPARITY },
{ "sha512", ZIO_CHECKSUM_SHA512 },
{ "skein", ZIO_CHECKSUM_SKEIN },
{ "edonr", ZIO_CHECKSUM_EDONR },
{ NULL }
};
static zprop_index_t dedup_table[] = {
{ "on", ZIO_CHECKSUM_ON },
{ "off", ZIO_CHECKSUM_OFF },
{ "verify", ZIO_CHECKSUM_ON | ZIO_CHECKSUM_VERIFY },
{ "sha256", ZIO_CHECKSUM_SHA256 },
{ "sha256,verify",
ZIO_CHECKSUM_SHA256 | ZIO_CHECKSUM_VERIFY },
{ "sha512", ZIO_CHECKSUM_SHA512 },
{ "sha512,verify",
ZIO_CHECKSUM_SHA512 | ZIO_CHECKSUM_VERIFY },
{ "skein", ZIO_CHECKSUM_SKEIN },
{ "skein,verify",
ZIO_CHECKSUM_SKEIN | ZIO_CHECKSUM_VERIFY },
{ "edonr,verify",
ZIO_CHECKSUM_EDONR | ZIO_CHECKSUM_VERIFY },
{ NULL }
};
static zprop_index_t compress_table[] = {
{ "on", ZIO_COMPRESS_ON },
{ "off", ZIO_COMPRESS_OFF },
{ "lzjb", ZIO_COMPRESS_LZJB },
{ "gzip", ZIO_COMPRESS_GZIP_6 }, /* gzip default */
{ "gzip-1", ZIO_COMPRESS_GZIP_1 },
{ "gzip-2", ZIO_COMPRESS_GZIP_2 },
{ "gzip-3", ZIO_COMPRESS_GZIP_3 },
{ "gzip-4", ZIO_COMPRESS_GZIP_4 },
{ "gzip-5", ZIO_COMPRESS_GZIP_5 },
{ "gzip-6", ZIO_COMPRESS_GZIP_6 },
{ "gzip-7", ZIO_COMPRESS_GZIP_7 },
{ "gzip-8", ZIO_COMPRESS_GZIP_8 },
{ "gzip-9", ZIO_COMPRESS_GZIP_9 },
{ "zle", ZIO_COMPRESS_ZLE },
{ "lz4", ZIO_COMPRESS_LZ4 },
{ NULL }
};
static zprop_index_t snapdir_table[] = {
{ "hidden", ZFS_SNAPDIR_HIDDEN },
{ "visible", ZFS_SNAPDIR_VISIBLE },
{ NULL }
};
static zprop_index_t snapdev_table[] = {
{ "hidden", ZFS_SNAPDEV_HIDDEN },
{ "visible", ZFS_SNAPDEV_VISIBLE },
{ NULL }
};
static zprop_index_t acltype_table[] = {
{ "off", ZFS_ACLTYPE_OFF },
{ "disabled", ZFS_ACLTYPE_OFF },
{ "noacl", ZFS_ACLTYPE_OFF },
{ "posixacl", ZFS_ACLTYPE_POSIXACL },
{ NULL }
};
static zprop_index_t acl_inherit_table[] = {
{ "discard", ZFS_ACL_DISCARD },
{ "noallow", ZFS_ACL_NOALLOW },
{ "restricted", ZFS_ACL_RESTRICTED },
{ "passthrough", ZFS_ACL_PASSTHROUGH },
{ "secure", ZFS_ACL_RESTRICTED }, /* bkwrd compatability */
{ "passthrough-x", ZFS_ACL_PASSTHROUGH_X },
{ NULL }
};
static zprop_index_t case_table[] = {
{ "sensitive", ZFS_CASE_SENSITIVE },
{ "insensitive", ZFS_CASE_INSENSITIVE },
{ "mixed", ZFS_CASE_MIXED },
{ NULL }
};
static zprop_index_t copies_table[] = {
{ "1", 1 },
{ "2", 2 },
{ "3", 3 },
{ NULL }
};
/*
* Use the unique flags we have to send to u8_strcmp() and/or
* u8_textprep() to represent the various normalization property
* values.
*/
static zprop_index_t normalize_table[] = {
{ "none", 0 },
{ "formD", U8_TEXTPREP_NFD },
{ "formKC", U8_TEXTPREP_NFKC },
{ "formC", U8_TEXTPREP_NFC },
{ "formKD", U8_TEXTPREP_NFKD },
{ NULL }
};
static zprop_index_t version_table[] = {
{ "1", 1 },
{ "2", 2 },
{ "3", 3 },
{ "4", 4 },
{ "5", 5 },
{ "current", ZPL_VERSION },
{ NULL }
};
static zprop_index_t boolean_table[] = {
{ "off", 0 },
{ "on", 1 },
{ NULL }
};
static zprop_index_t logbias_table[] = {
{ "latency", ZFS_LOGBIAS_LATENCY },
{ "throughput", ZFS_LOGBIAS_THROUGHPUT },
{ NULL }
};
static zprop_index_t canmount_table[] = {
{ "off", ZFS_CANMOUNT_OFF },
{ "on", ZFS_CANMOUNT_ON },
{ "noauto", ZFS_CANMOUNT_NOAUTO },
{ NULL }
};
static zprop_index_t cache_table[] = {
{ "none", ZFS_CACHE_NONE },
{ "metadata", ZFS_CACHE_METADATA },
{ "all", ZFS_CACHE_ALL },
{ NULL }
};
static zprop_index_t sync_table[] = {
{ "standard", ZFS_SYNC_STANDARD },
{ "always", ZFS_SYNC_ALWAYS },
{ "disabled", ZFS_SYNC_DISABLED },
{ NULL }
};
static zprop_index_t xattr_table[] = {
{ "off", ZFS_XATTR_OFF },
{ "on", ZFS_XATTR_DIR },
{ "sa", ZFS_XATTR_SA },
{ "dir", ZFS_XATTR_DIR },
{ NULL }
};
static zprop_index_t dnsize_table[] = {
{ "legacy", ZFS_DNSIZE_LEGACY },
{ "auto", ZFS_DNSIZE_AUTO },
{ "1k", ZFS_DNSIZE_1K },
{ "2k", ZFS_DNSIZE_2K },
{ "4k", ZFS_DNSIZE_4K },
{ "8k", ZFS_DNSIZE_8K },
{ "16k", ZFS_DNSIZE_16K },
{ NULL }
};
static zprop_index_t redundant_metadata_table[] = {
{ "all", ZFS_REDUNDANT_METADATA_ALL },
{ "most", ZFS_REDUNDANT_METADATA_MOST },
{ NULL }
};
/* inherit index properties */
zprop_register_index(ZFS_PROP_REDUNDANT_METADATA, "redundant_metadata",
ZFS_REDUNDANT_METADATA_ALL,
PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
"all | most", "REDUND_MD",
redundant_metadata_table);
zprop_register_index(ZFS_PROP_SYNC, "sync", ZFS_SYNC_STANDARD,
PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
"standard | always | disabled", "SYNC",
sync_table);
zprop_register_index(ZFS_PROP_CHECKSUM, "checksum",
ZIO_CHECKSUM_DEFAULT, PROP_INHERIT, ZFS_TYPE_FILESYSTEM |
ZFS_TYPE_VOLUME,
"on | off | fletcher2 | fletcher4 | sha256 | sha512 | "
"skein | edonr", "CHECKSUM", checksum_table);
zprop_register_index(ZFS_PROP_DEDUP, "dedup", ZIO_CHECKSUM_OFF,
PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
"on | off | verify | sha256[,verify], sha512[,verify], "
"skein[,verify], edonr,verify", "DEDUP", dedup_table);
zprop_register_index(ZFS_PROP_COMPRESSION, "compression",
ZIO_COMPRESS_DEFAULT, PROP_INHERIT,
ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
"on | off | lzjb | gzip | gzip-[1-9] | zle | lz4", "COMPRESS",
compress_table);
zprop_register_index(ZFS_PROP_SNAPDIR, "snapdir", ZFS_SNAPDIR_HIDDEN,
PROP_INHERIT, ZFS_TYPE_FILESYSTEM,
"hidden | visible", "SNAPDIR", snapdir_table);
zprop_register_index(ZFS_PROP_SNAPDEV, "snapdev", ZFS_SNAPDEV_HIDDEN,
PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
"hidden | visible", "SNAPDEV", snapdev_table);
zprop_register_index(ZFS_PROP_ACLTYPE, "acltype", ZFS_ACLTYPE_OFF,
PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT,
"noacl | posixacl", "ACLTYPE", acltype_table);
zprop_register_index(ZFS_PROP_ACLINHERIT, "aclinherit",
ZFS_ACL_RESTRICTED, PROP_INHERIT, ZFS_TYPE_FILESYSTEM,
"discard | noallow | restricted | passthrough | passthrough-x",
"ACLINHERIT", acl_inherit_table);
zprop_register_index(ZFS_PROP_COPIES, "copies", 1, PROP_INHERIT,
ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
"1 | 2 | 3", "COPIES", copies_table);
zprop_register_index(ZFS_PROP_PRIMARYCACHE, "primarycache",
ZFS_CACHE_ALL, PROP_INHERIT,
ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT | ZFS_TYPE_VOLUME,
"all | none | metadata", "PRIMARYCACHE", cache_table);
zprop_register_index(ZFS_PROP_SECONDARYCACHE, "secondarycache",
ZFS_CACHE_ALL, PROP_INHERIT,
ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT | ZFS_TYPE_VOLUME,
"all | none | metadata", "SECONDARYCACHE", cache_table);
zprop_register_index(ZFS_PROP_LOGBIAS, "logbias", ZFS_LOGBIAS_LATENCY,
PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
"latency | throughput", "LOGBIAS", logbias_table);
zprop_register_index(ZFS_PROP_XATTR, "xattr", ZFS_XATTR_DIR,
PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT,
"on | off | dir | sa", "XATTR", xattr_table);
zprop_register_index(ZFS_PROP_DNODESIZE, "dnodesize",
ZFS_DNSIZE_LEGACY, PROP_INHERIT, ZFS_TYPE_FILESYSTEM,
"legacy | auto | 1k | 2k | 4k | 8k | 16k", "DNSIZE", dnsize_table);
/* inherit index (boolean) properties */
zprop_register_index(ZFS_PROP_ATIME, "atime", 1, PROP_INHERIT,
ZFS_TYPE_FILESYSTEM, "on | off", "ATIME", boolean_table);
zprop_register_index(ZFS_PROP_RELATIME, "relatime", 0, PROP_INHERIT,
ZFS_TYPE_FILESYSTEM, "on | off", "RELATIME", boolean_table);
zprop_register_index(ZFS_PROP_DEVICES, "devices", 1, PROP_INHERIT,
ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, "on | off", "DEVICES",
boolean_table);
zprop_register_index(ZFS_PROP_EXEC, "exec", 1, PROP_INHERIT,
ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, "on | off", "EXEC",
boolean_table);
zprop_register_index(ZFS_PROP_SETUID, "setuid", 1, PROP_INHERIT,
ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, "on | off", "SETUID",
boolean_table);
zprop_register_index(ZFS_PROP_READONLY, "readonly", 0, PROP_INHERIT,
ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "on | off", "RDONLY",
boolean_table);
zprop_register_index(ZFS_PROP_ZONED, "zoned", 0, PROP_INHERIT,
ZFS_TYPE_FILESYSTEM, "on | off", "ZONED", boolean_table);
zprop_register_index(ZFS_PROP_VSCAN, "vscan", 0, PROP_INHERIT,
ZFS_TYPE_FILESYSTEM, "on | off", "VSCAN", boolean_table);
zprop_register_index(ZFS_PROP_NBMAND, "nbmand", 0, PROP_INHERIT,
ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, "on | off", "NBMAND",
boolean_table);
zprop_register_index(ZFS_PROP_OVERLAY, "overlay", 0, PROP_INHERIT,
ZFS_TYPE_FILESYSTEM, "on | off", "OVERLAY", boolean_table);
/* default index properties */
zprop_register_index(ZFS_PROP_VERSION, "version", 0, PROP_DEFAULT,
ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT,
"1 | 2 | 3 | 4 | 5 | current", "VERSION", version_table);
zprop_register_index(ZFS_PROP_CANMOUNT, "canmount", ZFS_CANMOUNT_ON,
PROP_DEFAULT, ZFS_TYPE_FILESYSTEM, "on | off | noauto",
"CANMOUNT", canmount_table);
/* readonly index (boolean) properties */
zprop_register_index(ZFS_PROP_MOUNTED, "mounted", 0, PROP_READONLY,
ZFS_TYPE_FILESYSTEM, "yes | no", "MOUNTED", boolean_table);
zprop_register_index(ZFS_PROP_DEFER_DESTROY, "defer_destroy", 0,
PROP_READONLY, ZFS_TYPE_SNAPSHOT, "yes | no", "DEFER_DESTROY",
boolean_table);
/* set once index properties */
zprop_register_index(ZFS_PROP_NORMALIZE, "normalization", 0,
PROP_ONETIME, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT,
"none | formC | formD | formKC | formKD", "NORMALIZATION",
normalize_table);
zprop_register_index(ZFS_PROP_CASE, "casesensitivity",
ZFS_CASE_SENSITIVE, PROP_ONETIME, ZFS_TYPE_FILESYSTEM |
ZFS_TYPE_SNAPSHOT,
"sensitive | insensitive | mixed", "CASE", case_table);
/* set once index (boolean) properties */
zprop_register_index(ZFS_PROP_UTF8ONLY, "utf8only", 0, PROP_ONETIME,
ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT,
"on | off", "UTF8ONLY", boolean_table);
/* string properties */
zprop_register_string(ZFS_PROP_ORIGIN, "origin", NULL, PROP_READONLY,
ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<snapshot>", "ORIGIN");
zprop_register_string(ZFS_PROP_CLONES, "clones", NULL, PROP_READONLY,
ZFS_TYPE_SNAPSHOT, "<dataset>[,...]", "CLONES");
zprop_register_string(ZFS_PROP_MOUNTPOINT, "mountpoint", "/",
PROP_INHERIT, ZFS_TYPE_FILESYSTEM, "<path> | legacy | none",
"MOUNTPOINT");
zprop_register_string(ZFS_PROP_SHARENFS, "sharenfs", "off",
PROP_INHERIT, ZFS_TYPE_FILESYSTEM, "on | off | share(1M) options",
"SHARENFS");
zprop_register_string(ZFS_PROP_TYPE, "type", NULL, PROP_READONLY,
ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK,
"filesystem | volume | snapshot | bookmark", "TYPE");
zprop_register_string(ZFS_PROP_SHARESMB, "sharesmb", "off",
PROP_INHERIT, ZFS_TYPE_FILESYSTEM,
"on | off | sharemgr(1M) options", "SHARESMB");
zprop_register_string(ZFS_PROP_MLSLABEL, "mlslabel",
ZFS_MLSLABEL_DEFAULT, PROP_INHERIT, ZFS_TYPE_DATASET,
"<sensitivity label>", "MLSLABEL");
zprop_register_string(ZFS_PROP_SELINUX_CONTEXT, "context",
"none", PROP_DEFAULT, ZFS_TYPE_DATASET, "<selinux context>",
"CONTEXT");
zprop_register_string(ZFS_PROP_SELINUX_FSCONTEXT, "fscontext",
"none", PROP_DEFAULT, ZFS_TYPE_DATASET, "<selinux fscontext>",
"FSCONTEXT");
zprop_register_string(ZFS_PROP_SELINUX_DEFCONTEXT, "defcontext",
"none", PROP_DEFAULT, ZFS_TYPE_DATASET, "<selinux defcontext>",
"DEFCONTEXT");
zprop_register_string(ZFS_PROP_SELINUX_ROOTCONTEXT, "rootcontext",
"none", PROP_DEFAULT, ZFS_TYPE_DATASET, "<selinux rootcontext>",
"ROOTCONTEXT");
zprop_register_string(ZFS_PROP_RECEIVE_RESUME_TOKEN,
"receive_resume_token",
NULL, PROP_READONLY, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
"<string token>", "RESUMETOK");
/* readonly number properties */
zprop_register_number(ZFS_PROP_USED, "used", 0, PROP_READONLY,
ZFS_TYPE_DATASET, "<size>", "USED");
zprop_register_number(ZFS_PROP_AVAILABLE, "available", 0, PROP_READONLY,
ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<size>", "AVAIL");
zprop_register_number(ZFS_PROP_REFERENCED, "referenced", 0,
PROP_READONLY, ZFS_TYPE_DATASET, "<size>", "REFER");
zprop_register_number(ZFS_PROP_COMPRESSRATIO, "compressratio", 0,
PROP_READONLY, ZFS_TYPE_DATASET,
"<1.00x or higher if compressed>", "RATIO");
zprop_register_number(ZFS_PROP_REFRATIO, "refcompressratio", 0,
PROP_READONLY, ZFS_TYPE_DATASET,
"<1.00x or higher if compressed>", "REFRATIO");
zprop_register_number(ZFS_PROP_VOLBLOCKSIZE, "volblocksize",
ZVOL_DEFAULT_BLOCKSIZE, PROP_ONETIME,
ZFS_TYPE_VOLUME, "512 to 128k, power of 2", "VOLBLOCK");
zprop_register_number(ZFS_PROP_USEDSNAP, "usedbysnapshots", 0,
PROP_READONLY, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<size>",
"USEDSNAP");
zprop_register_number(ZFS_PROP_USEDDS, "usedbydataset", 0,
PROP_READONLY, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<size>",
"USEDDS");
zprop_register_number(ZFS_PROP_USEDCHILD, "usedbychildren", 0,
PROP_READONLY, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<size>",
"USEDCHILD");
zprop_register_number(ZFS_PROP_USEDREFRESERV, "usedbyrefreservation", 0,
PROP_READONLY,
ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<size>", "USEDREFRESERV");
zprop_register_number(ZFS_PROP_USERREFS, "userrefs", 0, PROP_READONLY,
ZFS_TYPE_SNAPSHOT, "<count>", "USERREFS");
zprop_register_number(ZFS_PROP_WRITTEN, "written", 0, PROP_READONLY,
ZFS_TYPE_DATASET, "<size>", "WRITTEN");
zprop_register_number(ZFS_PROP_LOGICALUSED, "logicalused", 0,
PROP_READONLY, ZFS_TYPE_DATASET, "<size>", "LUSED");
zprop_register_number(ZFS_PROP_LOGICALREFERENCED, "logicalreferenced",
0, PROP_READONLY, ZFS_TYPE_DATASET, "<size>", "LREFER");
/* default number properties */
zprop_register_number(ZFS_PROP_QUOTA, "quota", 0, PROP_DEFAULT,
ZFS_TYPE_FILESYSTEM, "<size> | none", "QUOTA");
zprop_register_number(ZFS_PROP_RESERVATION, "reservation", 0,
PROP_DEFAULT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
"<size> | none", "RESERV");
zprop_register_number(ZFS_PROP_VOLSIZE, "volsize", 0, PROP_DEFAULT,
ZFS_TYPE_SNAPSHOT | ZFS_TYPE_VOLUME, "<size>", "VOLSIZE");
zprop_register_number(ZFS_PROP_REFQUOTA, "refquota", 0, PROP_DEFAULT,
ZFS_TYPE_FILESYSTEM, "<size> | none", "REFQUOTA");
zprop_register_number(ZFS_PROP_REFRESERVATION, "refreservation", 0,
PROP_DEFAULT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
"<size> | none", "REFRESERV");
zprop_register_number(ZFS_PROP_FILESYSTEM_LIMIT, "filesystem_limit",
UINT64_MAX, PROP_DEFAULT, ZFS_TYPE_FILESYSTEM,
"<count> | none", "FSLIMIT");
zprop_register_number(ZFS_PROP_SNAPSHOT_LIMIT, "snapshot_limit",
UINT64_MAX, PROP_DEFAULT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
"<count> | none", "SSLIMIT");
zprop_register_number(ZFS_PROP_FILESYSTEM_COUNT, "filesystem_count",
UINT64_MAX, PROP_DEFAULT, ZFS_TYPE_FILESYSTEM,
"<count>", "FSCOUNT");
zprop_register_number(ZFS_PROP_SNAPSHOT_COUNT, "snapshot_count",
UINT64_MAX, PROP_DEFAULT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
"<count>", "SSCOUNT");
/* inherit number properties */
zprop_register_number(ZFS_PROP_RECORDSIZE, "recordsize",
SPA_OLD_MAXBLOCKSIZE, PROP_INHERIT,
ZFS_TYPE_FILESYSTEM, "512 to 1M, power of 2", "RECSIZE");
/* hidden properties */
zprop_register_hidden(ZFS_PROP_CREATETXG, "createtxg", PROP_TYPE_NUMBER,
PROP_READONLY, ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK, "CREATETXG");
zprop_register_hidden(ZFS_PROP_NUMCLONES, "numclones", PROP_TYPE_NUMBER,
PROP_READONLY, ZFS_TYPE_SNAPSHOT, "NUMCLONES");
zprop_register_hidden(ZFS_PROP_NAME, "name", PROP_TYPE_STRING,
PROP_READONLY, ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK, "NAME");
zprop_register_hidden(ZFS_PROP_ISCSIOPTIONS, "iscsioptions",
PROP_TYPE_STRING, PROP_INHERIT, ZFS_TYPE_VOLUME, "ISCSIOPTIONS");
zprop_register_hidden(ZFS_PROP_STMF_SHAREINFO, "stmf_sbd_lu",
PROP_TYPE_STRING, PROP_INHERIT, ZFS_TYPE_VOLUME,
"STMF_SBD_LU");
zprop_register_hidden(ZFS_PROP_GUID, "guid", PROP_TYPE_NUMBER,
PROP_READONLY, ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK, "GUID");
zprop_register_hidden(ZFS_PROP_USERACCOUNTING, "useraccounting",
PROP_TYPE_NUMBER, PROP_READONLY, ZFS_TYPE_DATASET,
"USERACCOUNTING");
zprop_register_hidden(ZFS_PROP_UNIQUE, "unique", PROP_TYPE_NUMBER,
PROP_READONLY, ZFS_TYPE_DATASET, "UNIQUE");
zprop_register_hidden(ZFS_PROP_OBJSETID, "objsetid", PROP_TYPE_NUMBER,
PROP_READONLY, ZFS_TYPE_DATASET, "OBJSETID");
zprop_register_hidden(ZFS_PROP_INCONSISTENT, "inconsistent",
PROP_TYPE_NUMBER, PROP_READONLY, ZFS_TYPE_DATASET, "INCONSISTENT");
zprop_register_hidden(ZFS_PROP_PREV_SNAP, "prevsnap", PROP_TYPE_STRING,
PROP_READONLY, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "PREVSNAP");
/*
* Property to be removed once libbe is integrated
*/
zprop_register_hidden(ZFS_PROP_PRIVATE, "priv_prop",
PROP_TYPE_NUMBER, PROP_READONLY, ZFS_TYPE_FILESYSTEM,
"PRIV_PROP");
/* oddball properties */
zprop_register_impl(ZFS_PROP_CREATION, "creation", PROP_TYPE_NUMBER, 0,
NULL, PROP_READONLY, ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK,
"<date>", "CREATION", B_FALSE, B_TRUE, NULL);
}
boolean_t
zfs_prop_delegatable(zfs_prop_t prop)
{
zprop_desc_t *pd = &zfs_prop_table[prop];
/* The mlslabel property is never delegatable. */
if (prop == ZFS_PROP_MLSLABEL)
return (B_FALSE);
return (pd->pd_attr != PROP_READONLY);
}
/*
* Given a zfs dataset property name, returns the corresponding property ID.
*/
zfs_prop_t
zfs_name_to_prop(const char *propname)
{
return (zprop_name_to_prop(propname, ZFS_TYPE_DATASET));
}
/*
* For user property names, we allow all lowercase alphanumeric characters, plus
* a few useful punctuation characters.
*/
static int
valid_char(char c)
{
return ((c >= 'a' && c <= 'z') ||
(c >= '0' && c <= '9') ||
c == '-' || c == '_' || c == '.' || c == ':');
}
/*
* Returns true if this is a valid user-defined property (one with a ':').
*/
boolean_t
zfs_prop_user(const char *name)
{
int i;
char c;
boolean_t foundsep = B_FALSE;
for (i = 0; i < strlen(name); i++) {
c = name[i];
if (!valid_char(c))
return (B_FALSE);
if (c == ':')
foundsep = B_TRUE;
}
if (!foundsep)
return (B_FALSE);
return (B_TRUE);
}
/*
* Returns true if this is a valid userspace-type property (one with a '@').
* Note that after the @, any character is valid (eg, another @, for SID
* user@domain).
*/
boolean_t
zfs_prop_userquota(const char *name)
{
zfs_userquota_prop_t prop;
for (prop = 0; prop < ZFS_NUM_USERQUOTA_PROPS; prop++) {
if (strncmp(name, zfs_userquota_prop_prefixes[prop],
strlen(zfs_userquota_prop_prefixes[prop])) == 0) {
return (B_TRUE);
}
}
return (B_FALSE);
}
/*
* Returns true if this is a valid written@ property.
* Note that after the @, any character is valid (eg, another @, for
* written@pool/fs@origin).
*/
boolean_t
zfs_prop_written(const char *name)
{
static const char *prefix = "written@";
return (strncmp(name, prefix, strlen(prefix)) == 0);
}
/*
* Tables of index types, plus functions to convert between the user view
* (strings) and internal representation (uint64_t).
*/
int
zfs_prop_string_to_index(zfs_prop_t prop, const char *string, uint64_t *index)
{
return (zprop_string_to_index(prop, string, index, ZFS_TYPE_DATASET));
}
int
zfs_prop_index_to_string(zfs_prop_t prop, uint64_t index, const char **string)
{
return (zprop_index_to_string(prop, index, string, ZFS_TYPE_DATASET));
}
uint64_t
zfs_prop_random_value(zfs_prop_t prop, uint64_t seed)
{
return (zprop_random_value(prop, seed, ZFS_TYPE_DATASET));
}
/*
* Returns TRUE if the property applies to any of the given dataset types.
*/
boolean_t
zfs_prop_valid_for_type(int prop, zfs_type_t types, boolean_t headcheck)
{
return (zprop_valid_for_type(prop, types, headcheck));
}
zprop_type_t
zfs_prop_get_type(zfs_prop_t prop)
{
return (zfs_prop_table[prop].pd_proptype);
}
/*
* Returns TRUE if the property is readonly.
*/
boolean_t
zfs_prop_readonly(zfs_prop_t prop)
{
return (zfs_prop_table[prop].pd_attr == PROP_READONLY ||
zfs_prop_table[prop].pd_attr == PROP_ONETIME);
}
/*
* Returns TRUE if the property is only allowed to be set once.
*/
boolean_t
zfs_prop_setonce(zfs_prop_t prop)
{
return (zfs_prop_table[prop].pd_attr == PROP_ONETIME);
}
const char *
zfs_prop_default_string(zfs_prop_t prop)
{
return (zfs_prop_table[prop].pd_strdefault);
}
uint64_t
zfs_prop_default_numeric(zfs_prop_t prop)
{
return (zfs_prop_table[prop].pd_numdefault);
}
/*
* Given a dataset property ID, returns the corresponding name.
* Assuming the zfs dataset property ID is valid.
*/
const char *
zfs_prop_to_name(zfs_prop_t prop)
{
return (zfs_prop_table[prop].pd_name);
}
/*
* Returns TRUE if the property is inheritable.
*/
boolean_t
zfs_prop_inheritable(zfs_prop_t prop)
{
return (zfs_prop_table[prop].pd_attr == PROP_INHERIT ||
zfs_prop_table[prop].pd_attr == PROP_ONETIME);
}
#ifndef _KERNEL
/*
* Returns a string describing the set of acceptable values for the given
* zfs property, or NULL if it cannot be set.
*/
const char *
zfs_prop_values(zfs_prop_t prop)
{
return (zfs_prop_table[prop].pd_values);
}
/*
* Returns TRUE if this property is a string type. Note that index types
* (compression, checksum) are treated as strings in userland, even though they
* are stored numerically on disk.
*/
int
zfs_prop_is_string(zfs_prop_t prop)
{
return (zfs_prop_table[prop].pd_proptype == PROP_TYPE_STRING ||
zfs_prop_table[prop].pd_proptype == PROP_TYPE_INDEX);
}
/*
* Returns the column header for the given property. Used only in
* 'zfs list -o', but centralized here with the other property information.
*/
const char *
zfs_prop_column_name(zfs_prop_t prop)
{
return (zfs_prop_table[prop].pd_colname);
}
/*
* Returns whether the given property should be displayed right-justified for
* 'zfs list'.
*/
boolean_t
zfs_prop_align_right(zfs_prop_t prop)
{
return (zfs_prop_table[prop].pd_rightalign);
}
#endif
#if defined(_KERNEL) && defined(HAVE_SPL)
static int __init
zcommon_init(void)
{
fletcher_4_init();
return (0);
}
static void __exit
zcommon_fini(void)
{
fletcher_4_fini();
}
module_init(zcommon_init);
module_exit(zcommon_fini);
MODULE_DESCRIPTION("Generic ZFS support");
MODULE_AUTHOR(ZFS_META_AUTHOR);
MODULE_LICENSE(ZFS_META_LICENSE);
MODULE_VERSION(ZFS_META_VERSION "-" ZFS_META_RELEASE);
/* zfs dataset property functions */
EXPORT_SYMBOL(zfs_userquota_prop_prefixes);
EXPORT_SYMBOL(zfs_prop_init);
EXPORT_SYMBOL(zfs_prop_get_type);
EXPORT_SYMBOL(zfs_prop_get_table);
EXPORT_SYMBOL(zfs_prop_delegatable);
/* Dataset property functions shared between libzfs and kernel. */
EXPORT_SYMBOL(zfs_prop_default_string);
EXPORT_SYMBOL(zfs_prop_default_numeric);
EXPORT_SYMBOL(zfs_prop_readonly);
EXPORT_SYMBOL(zfs_prop_inheritable);
EXPORT_SYMBOL(zfs_prop_setonce);
EXPORT_SYMBOL(zfs_prop_to_name);
EXPORT_SYMBOL(zfs_name_to_prop);
EXPORT_SYMBOL(zfs_prop_user);
EXPORT_SYMBOL(zfs_prop_userquota);
EXPORT_SYMBOL(zfs_prop_index_to_string);
EXPORT_SYMBOL(zfs_prop_string_to_index);
EXPORT_SYMBOL(zfs_prop_valid_for_type);
#endif
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