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 */ 21fa9e4066Sahrens /* 22c99e4bdcSChris Kirby * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 23*98110f08SMatthew Ahrens * Copyright (c) 2012, 2014 by Delphix. All rights reserved. 24fa9e4066Sahrens */ 25fa9e4066Sahrens 26fa9e4066Sahrens #ifndef _SYS_ZFS_IOCTL_H 27fa9e4066Sahrens #define _SYS_ZFS_IOCTL_H 28fa9e4066Sahrens 29fa9e4066Sahrens #include <sys/cred.h> 30fa9e4066Sahrens #include <sys/dmu.h> 31ea8dc4b6Seschrock #include <sys/zio.h> 32ecd6cf80Smarks #include <sys/dsl_deleg.h> 339e69d7d0SLori Alt #include <sys/spa.h> 3499d5e173STim Haley #include <sys/zfs_stat.h> 35fa9e4066Sahrens 36da6c28aaSamw #ifdef _KERNEL 37da6c28aaSamw #include <sys/nvpair.h> 38da6c28aaSamw #endif /* _KERNEL */ 39da6c28aaSamw 40fa9e4066Sahrens #ifdef __cplusplus 41fa9e4066Sahrens extern "C" { 42fa9e4066Sahrens #endif 43fa9e4066Sahrens 444445fffbSMatthew Ahrens /* 454445fffbSMatthew Ahrens * The structures in this file are passed between userland and the 464445fffbSMatthew Ahrens * kernel. Userland may be running a 32-bit process, while the kernel 474445fffbSMatthew Ahrens * is 64-bit. Therefore, these structures need to compile the same in 484445fffbSMatthew Ahrens * 32-bit and 64-bit. This means not using type "long", and adding 494445fffbSMatthew Ahrens * explicit padding so that the 32-bit structure will not be packed more 504445fffbSMatthew Ahrens * tightly than the 64-bit structure (which requires 64-bit alignment). 514445fffbSMatthew Ahrens */ 524445fffbSMatthew Ahrens 53fa9e4066Sahrens /* 54fa9e4066Sahrens * Property values for snapdir 55fa9e4066Sahrens */ 56a0965f35Sbonwick #define ZFS_SNAPDIR_HIDDEN 0 57a0965f35Sbonwick #define ZFS_SNAPDIR_VISIBLE 1 58fa9e4066Sahrens 599e69d7d0SLori Alt /* 609e69d7d0SLori Alt * Field manipulation macros for the drr_versioninfo field of the 619e69d7d0SLori Alt * send stream header. 629e69d7d0SLori Alt */ 639e69d7d0SLori Alt 649e69d7d0SLori Alt /* 659e69d7d0SLori Alt * Header types for zfs send streams. 669e69d7d0SLori Alt */ 679e69d7d0SLori Alt typedef enum drr_headertype { 689e69d7d0SLori Alt DMU_SUBSTREAM = 0x1, 699e69d7d0SLori Alt DMU_COMPOUNDSTREAM = 0x2 709e69d7d0SLori Alt } drr_headertype_t; 719e69d7d0SLori Alt 729e69d7d0SLori Alt #define DMU_GET_STREAM_HDRTYPE(vi) BF64_GET((vi), 0, 2) 739e69d7d0SLori Alt #define DMU_SET_STREAM_HDRTYPE(vi, x) BF64_SET((vi), 0, 2, x) 749e69d7d0SLori Alt 759e69d7d0SLori Alt #define DMU_GET_FEATUREFLAGS(vi) BF64_GET((vi), 2, 30) 769e69d7d0SLori Alt #define DMU_SET_FEATUREFLAGS(vi, x) BF64_SET((vi), 2, 30, x) 779e69d7d0SLori Alt 789e69d7d0SLori Alt /* 799e69d7d0SLori Alt * Feature flags for zfs send streams (flags in drr_versioninfo) 809e69d7d0SLori Alt */ 819e69d7d0SLori Alt 825d7b4d43SMatthew Ahrens #define DMU_BACKUP_FEATURE_DEDUP (1<<0) 835d7b4d43SMatthew Ahrens #define DMU_BACKUP_FEATURE_DEDUPPROPS (1<<1) 845d7b4d43SMatthew Ahrens #define DMU_BACKUP_FEATURE_SA_SPILL (1<<2) 855d7b4d43SMatthew Ahrens /* flags #3 - #15 are reserved for incompatible closed-source implementations */ 865d7b4d43SMatthew Ahrens #define DMU_BACKUP_FEATURE_EMBED_DATA (1<<16) 875d7b4d43SMatthew Ahrens #define DMU_BACKUP_FEATURE_EMBED_DATA_LZ4 (1<<17) 88b5152584SMatthew Ahrens /* flag #18 is reserved for a Delphix feature */ 89b5152584SMatthew Ahrens #define DMU_BACKUP_FEATURE_LARGE_BLOCKS (1<<19) 909e69d7d0SLori Alt 919e69d7d0SLori Alt /* 929e69d7d0SLori Alt * Mask of all supported backup features 939e69d7d0SLori Alt */ 948e714474SLori Alt #define DMU_BACKUP_FEATURE_MASK (DMU_BACKUP_FEATURE_DEDUP | \ 955d7b4d43SMatthew Ahrens DMU_BACKUP_FEATURE_DEDUPPROPS | DMU_BACKUP_FEATURE_SA_SPILL | \ 96b5152584SMatthew Ahrens DMU_BACKUP_FEATURE_EMBED_DATA | DMU_BACKUP_FEATURE_EMBED_DATA_LZ4 | \ 97b5152584SMatthew Ahrens DMU_BACKUP_FEATURE_LARGE_BLOCKS) 989e69d7d0SLori Alt 999e69d7d0SLori Alt /* Are all features in the given flag word currently supported? */ 1009e69d7d0SLori Alt #define DMU_STREAM_SUPPORTED(x) (!((x) & ~DMU_BACKUP_FEATURE_MASK)) 1019e69d7d0SLori Alt 1029e69d7d0SLori Alt /* 1039e69d7d0SLori Alt * The drr_versioninfo field of the dmu_replay_record has the 1049e69d7d0SLori Alt * following layout: 1059e69d7d0SLori Alt * 1069e69d7d0SLori Alt * 64 56 48 40 32 24 16 8 0 1079e69d7d0SLori Alt * +-------+-------+-------+-------+-------+-------+-------+-------+ 1089e69d7d0SLori Alt * | reserved | feature-flags |C|S| 1099e69d7d0SLori Alt * +-------+-------+-------+-------+-------+-------+-------+-------+ 1109e69d7d0SLori Alt * 1119e69d7d0SLori Alt * The low order two bits indicate the header type: SUBSTREAM (0x1) 1129e69d7d0SLori Alt * or COMPOUNDSTREAM (0x2). Using two bits for this is historical: 1139e69d7d0SLori Alt * this field used to be a version number, where the two version types 1149e69d7d0SLori Alt * were 1 and 2. Using two bits for this allows earlier versions of 1159e69d7d0SLori Alt * the code to be able to recognize send streams that don't use any 1169e69d7d0SLori Alt * of the features indicated by feature flags. 1179e69d7d0SLori Alt */ 1189e69d7d0SLori Alt 119fa9e4066Sahrens #define DMU_BACKUP_MAGIC 0x2F5bacbacULL 120fa9e4066Sahrens 121ab04eb8eStimh #define DRR_FLAG_CLONE (1<<0) 122ab04eb8eStimh #define DRR_FLAG_CI_DATA (1<<1) 1233cb34c60Sahrens 1248e714474SLori Alt /* 1258e714474SLori Alt * flags in the drr_checksumflags field in the DRR_WRITE and 1268e714474SLori Alt * DRR_WRITE_BYREF blocks 1278e714474SLori Alt */ 1288e714474SLori Alt #define DRR_CHECKSUM_DEDUP (1<<0) 1298e714474SLori Alt 1308e714474SLori Alt #define DRR_IS_DEDUP_CAPABLE(flags) ((flags) & DRR_CHECKSUM_DEDUP) 1318e714474SLori Alt 132fa9e4066Sahrens /* 133fa9e4066Sahrens * zfs ioctl command structure 134fa9e4066Sahrens */ 135fa9e4066Sahrens typedef struct dmu_replay_record { 136fa9e4066Sahrens enum { 137fa9e4066Sahrens DRR_BEGIN, DRR_OBJECT, DRR_FREEOBJECTS, 1389e69d7d0SLori Alt DRR_WRITE, DRR_FREE, DRR_END, DRR_WRITE_BYREF, 1395d7b4d43SMatthew Ahrens DRR_SPILL, DRR_WRITE_EMBEDDED, DRR_NUMTYPES 140fa9e4066Sahrens } drr_type; 1413cb34c60Sahrens uint32_t drr_payloadlen; 142fa9e4066Sahrens union { 143fa9e4066Sahrens struct drr_begin { 144fa9e4066Sahrens uint64_t drr_magic; 1459e69d7d0SLori Alt uint64_t drr_versioninfo; /* was drr_version */ 146fa9e4066Sahrens uint64_t drr_creation_time; 147fa9e4066Sahrens dmu_objset_type_t drr_type; 1483cb34c60Sahrens uint32_t drr_flags; 149fa9e4066Sahrens uint64_t drr_toguid; 150fa9e4066Sahrens uint64_t drr_fromguid; 151fa9e4066Sahrens char drr_toname[MAXNAMELEN]; 152fa9e4066Sahrens } drr_begin; 153fa9e4066Sahrens struct drr_end { 154ea8dc4b6Seschrock zio_cksum_t drr_checksum; 1559e69d7d0SLori Alt uint64_t drr_toguid; 156fa9e4066Sahrens } drr_end; 157fa9e4066Sahrens struct drr_object { 158fa9e4066Sahrens uint64_t drr_object; 159fa9e4066Sahrens dmu_object_type_t drr_type; 160fa9e4066Sahrens dmu_object_type_t drr_bonustype; 161fa9e4066Sahrens uint32_t drr_blksz; 162fa9e4066Sahrens uint32_t drr_bonuslen; 1639e69d7d0SLori Alt uint8_t drr_checksumtype; 164fa9e4066Sahrens uint8_t drr_compress; 165fa9e4066Sahrens uint8_t drr_pad[6]; 1669e69d7d0SLori Alt uint64_t drr_toguid; 167a2eea2e1Sahrens /* bonus content follows */ 168fa9e4066Sahrens } drr_object; 169fa9e4066Sahrens struct drr_freeobjects { 170fa9e4066Sahrens uint64_t drr_firstobj; 171fa9e4066Sahrens uint64_t drr_numobjs; 1729e69d7d0SLori Alt uint64_t drr_toguid; 173fa9e4066Sahrens } drr_freeobjects; 174fa9e4066Sahrens struct drr_write { 175fa9e4066Sahrens uint64_t drr_object; 176fa9e4066Sahrens dmu_object_type_t drr_type; 177fa9e4066Sahrens uint32_t drr_pad; 178fa9e4066Sahrens uint64_t drr_offset; 179fa9e4066Sahrens uint64_t drr_length; 1809e69d7d0SLori Alt uint64_t drr_toguid; 1819e69d7d0SLori Alt uint8_t drr_checksumtype; 1828e714474SLori Alt uint8_t drr_checksumflags; 1838e714474SLori Alt uint8_t drr_pad2[6]; 1848e714474SLori Alt ddt_key_t drr_key; /* deduplication key */ 185a2eea2e1Sahrens /* content follows */ 186fa9e4066Sahrens } drr_write; 187fa9e4066Sahrens struct drr_free { 188fa9e4066Sahrens uint64_t drr_object; 189fa9e4066Sahrens uint64_t drr_offset; 190fa9e4066Sahrens uint64_t drr_length; 1919e69d7d0SLori Alt uint64_t drr_toguid; 192fa9e4066Sahrens } drr_free; 1939e69d7d0SLori Alt struct drr_write_byref { 1949e69d7d0SLori Alt /* where to put the data */ 1959e69d7d0SLori Alt uint64_t drr_object; 1969e69d7d0SLori Alt uint64_t drr_offset; 1979e69d7d0SLori Alt uint64_t drr_length; 1989e69d7d0SLori Alt uint64_t drr_toguid; 1999e69d7d0SLori Alt /* where to find the prior copy of the data */ 2009e69d7d0SLori Alt uint64_t drr_refguid; 2019e69d7d0SLori Alt uint64_t drr_refobject; 2029e69d7d0SLori Alt uint64_t drr_refoffset; 2038e714474SLori Alt /* properties of the data */ 2049e69d7d0SLori Alt uint8_t drr_checksumtype; 2058e714474SLori Alt uint8_t drr_checksumflags; 2068e714474SLori Alt uint8_t drr_pad2[6]; 2078e714474SLori Alt ddt_key_t drr_key; /* deduplication key */ 2089e69d7d0SLori Alt } drr_write_byref; 2090a586ceaSMark Shellenbaum struct drr_spill { 2100a586ceaSMark Shellenbaum uint64_t drr_object; 2110a586ceaSMark Shellenbaum uint64_t drr_length; 2120a586ceaSMark Shellenbaum uint64_t drr_toguid; 2130a586ceaSMark Shellenbaum uint64_t drr_pad[4]; /* needed for crypto */ 2140a586ceaSMark Shellenbaum /* spill data follows */ 2150a586ceaSMark Shellenbaum } drr_spill; 2165d7b4d43SMatthew Ahrens struct drr_write_embedded { 2175d7b4d43SMatthew Ahrens uint64_t drr_object; 2185d7b4d43SMatthew Ahrens uint64_t drr_offset; 2195d7b4d43SMatthew Ahrens /* logical length, should equal blocksize */ 2205d7b4d43SMatthew Ahrens uint64_t drr_length; 2215d7b4d43SMatthew Ahrens uint64_t drr_toguid; 2225d7b4d43SMatthew Ahrens uint8_t drr_compression; 2235d7b4d43SMatthew Ahrens uint8_t drr_etype; 2245d7b4d43SMatthew Ahrens uint8_t drr_pad[6]; 2255d7b4d43SMatthew Ahrens uint32_t drr_lsize; /* uncompressed size of payload */ 2265d7b4d43SMatthew Ahrens uint32_t drr_psize; /* compr. (real) size of payload */ 2275d7b4d43SMatthew Ahrens /* (possibly compressed) content follows */ 2285d7b4d43SMatthew Ahrens } drr_write_embedded; 229*98110f08SMatthew Ahrens 230*98110f08SMatthew Ahrens /* 231*98110f08SMatthew Ahrens * Nore: drr_checksum is overlaid with all record types 232*98110f08SMatthew Ahrens * except DRR_BEGIN. Therefore its (non-pad) members 233*98110f08SMatthew Ahrens * must not overlap with members from the other structs. 234*98110f08SMatthew Ahrens * We accomplish this by putting its members at the very 235*98110f08SMatthew Ahrens * end of the struct. 236*98110f08SMatthew Ahrens */ 237*98110f08SMatthew Ahrens struct drr_checksum { 238*98110f08SMatthew Ahrens uint64_t drr_pad[34]; 239*98110f08SMatthew Ahrens /* 240*98110f08SMatthew Ahrens * fletcher-4 checksum of everything preceding the 241*98110f08SMatthew Ahrens * checksum. 242*98110f08SMatthew Ahrens */ 243*98110f08SMatthew Ahrens zio_cksum_t drr_checksum; 244*98110f08SMatthew Ahrens } drr_checksum; 245fa9e4066Sahrens } drr_u; 246fa9e4066Sahrens } dmu_replay_record_t; 247fa9e4066Sahrens 24899d5e173STim Haley /* diff record range types */ 24999d5e173STim Haley typedef enum diff_type { 25099d5e173STim Haley DDR_NONE = 0x1, 25199d5e173STim Haley DDR_INUSE = 0x2, 25299d5e173STim Haley DDR_FREE = 0x4 25399d5e173STim Haley } diff_type_t; 25499d5e173STim Haley 25599d5e173STim Haley /* 25699d5e173STim Haley * The diff reports back ranges of free or in-use objects. 25799d5e173STim Haley */ 25899d5e173STim Haley typedef struct dmu_diff_record { 25999d5e173STim Haley uint64_t ddr_type; 26099d5e173STim Haley uint64_t ddr_first; 26199d5e173STim Haley uint64_t ddr_last; 26299d5e173STim Haley } dmu_diff_record_t; 26399d5e173STim Haley 264ea8dc4b6Seschrock typedef struct zinject_record { 265ea8dc4b6Seschrock uint64_t zi_objset; 266ea8dc4b6Seschrock uint64_t zi_object; 267ea8dc4b6Seschrock uint64_t zi_start; 268ea8dc4b6Seschrock uint64_t zi_end; 269ea8dc4b6Seschrock uint64_t zi_guid; 270ea8dc4b6Seschrock uint32_t zi_level; 271ea8dc4b6Seschrock uint32_t zi_error; 272ea8dc4b6Seschrock uint64_t zi_type; 273ea8dc4b6Seschrock uint32_t zi_freq; 2748956713aSEric Schrock uint32_t zi_failfast; 27588ecc943SGeorge Wilson char zi_func[MAXNAMELEN]; 2768f18d1faSGeorge Wilson uint32_t zi_iotype; 277468c413aSTim Haley int32_t zi_duration; 278468c413aSTim Haley uint64_t zi_timer; 279283b8460SGeorge.Wilson uint32_t zi_cmd; 280283b8460SGeorge.Wilson uint32_t zi_pad; 281ea8dc4b6Seschrock } zinject_record_t; 282ea8dc4b6Seschrock 283ea8dc4b6Seschrock #define ZINJECT_NULL 0x1 284ea8dc4b6Seschrock #define ZINJECT_FLUSH_ARC 0x2 285ea8dc4b6Seschrock #define ZINJECT_UNLOAD_SPA 0x4 286ea8dc4b6Seschrock 287283b8460SGeorge.Wilson typedef enum zinject_type { 288283b8460SGeorge.Wilson ZINJECT_UNINITIALIZED, 289283b8460SGeorge.Wilson ZINJECT_DATA_FAULT, 290283b8460SGeorge.Wilson ZINJECT_DEVICE_FAULT, 291283b8460SGeorge.Wilson ZINJECT_LABEL_FAULT, 292283b8460SGeorge.Wilson ZINJECT_IGNORED_WRITES, 293283b8460SGeorge.Wilson ZINJECT_PANIC, 294283b8460SGeorge.Wilson ZINJECT_DELAY_IO, 295283b8460SGeorge.Wilson } zinject_type_t; 296283b8460SGeorge.Wilson 297ecd6cf80Smarks typedef struct zfs_share { 298ecd6cf80Smarks uint64_t z_exportdata; 299ecd6cf80Smarks uint64_t z_sharedata; 300ecd6cf80Smarks uint64_t z_sharetype; /* 0 = share, 1 = unshare */ 301ecd6cf80Smarks uint64_t z_sharemax; /* max length of share string */ 302ecd6cf80Smarks } zfs_share_t; 303ecd6cf80Smarks 304de8267e0Stimh /* 305de8267e0Stimh * ZFS file systems may behave the usual, POSIX-compliant way, where 306de8267e0Stimh * name lookups are case-sensitive. They may also be set up so that 307de8267e0Stimh * all the name lookups are case-insensitive, or so that only some 308de8267e0Stimh * lookups, the ones that set an FIGNORECASE flag, are case-insensitive. 309de8267e0Stimh */ 310de8267e0Stimh typedef enum zfs_case { 311de8267e0Stimh ZFS_CASE_SENSITIVE, 312de8267e0Stimh ZFS_CASE_INSENSITIVE, 313de8267e0Stimh ZFS_CASE_MIXED 314de8267e0Stimh } zfs_case_t; 315de8267e0Stimh 316fa9e4066Sahrens typedef struct zfs_cmd { 3174445fffbSMatthew Ahrens char zc_name[MAXPATHLEN]; /* name of pool or dataset */ 3184445fffbSMatthew Ahrens uint64_t zc_nvlist_src; /* really (char *) */ 3194445fffbSMatthew Ahrens uint64_t zc_nvlist_src_size; 3204445fffbSMatthew Ahrens uint64_t zc_nvlist_dst; /* really (char *) */ 3214445fffbSMatthew Ahrens uint64_t zc_nvlist_dst_size; 3224445fffbSMatthew Ahrens boolean_t zc_nvlist_dst_filled; /* put an nvlist in dst? */ 3234445fffbSMatthew Ahrens int zc_pad2; 3244445fffbSMatthew Ahrens 3254445fffbSMatthew Ahrens /* 3264445fffbSMatthew Ahrens * The following members are for legacy ioctls which haven't been 3274445fffbSMatthew Ahrens * converted to the new method. 3284445fffbSMatthew Ahrens */ 3294445fffbSMatthew Ahrens uint64_t zc_history; /* really (char *) */ 33055434c77Sek char zc_value[MAXPATHLEN * 2]; 3313cb34c60Sahrens char zc_string[MAXNAMELEN]; 332ea8dc4b6Seschrock uint64_t zc_guid; 333990b4856Slling uint64_t zc_nvlist_conf; /* really (char *) */ 334990b4856Slling uint64_t zc_nvlist_conf_size; 335fa9e4066Sahrens uint64_t zc_cookie; 336fa9e4066Sahrens uint64_t zc_objset_type; 337ecd6cf80Smarks uint64_t zc_perm_action; 3384445fffbSMatthew Ahrens uint64_t zc_history_len; 33906eeb2adSek uint64_t zc_history_offset; 34055434c77Sek uint64_t zc_obj; 341478ed9adSEric Taylor uint64_t zc_iflags; /* internal to zfs(7fs) */ 342ecd6cf80Smarks zfs_share_t zc_share; 343fa9e4066Sahrens dmu_objset_stats_t zc_objset_stats; 344fa9e4066Sahrens struct drr_begin zc_begin_record; 345ea8dc4b6Seschrock zinject_record_t zc_inject_record; 3465d7b4d43SMatthew Ahrens uint32_t zc_defer_destroy; 3475d7b4d43SMatthew Ahrens uint32_t zc_flags; 348c99e4bdcSChris Kirby uint64_t zc_action_handle; 349c99e4bdcSChris Kirby int zc_cleanup_fd; 35099d5e173STim Haley uint8_t zc_pad[4]; /* alignment */ 351a7f53a56SChris Kirby uint64_t zc_sendobj; 352a7f53a56SChris Kirby uint64_t zc_fromobj; 353a7f53a56SChris Kirby uint64_t zc_createtxg; 35499d5e173STim Haley zfs_stat_t zc_stat; 355fa9e4066Sahrens } zfs_cmd_t; 356fa9e4066Sahrens 35714843421SMatthew Ahrens typedef struct zfs_useracct { 35814843421SMatthew Ahrens char zu_domain[256]; 35914843421SMatthew Ahrens uid_t zu_rid; 36014843421SMatthew Ahrens uint32_t zu_pad; 36114843421SMatthew Ahrens uint64_t zu_space; 36214843421SMatthew Ahrens } zfs_useracct_t; 36314843421SMatthew Ahrens 364c99e4bdcSChris Kirby #define ZFSDEV_MAX_MINOR (1 << 16) 365c99e4bdcSChris Kirby #define ZFS_MIN_MINOR (ZFSDEV_MAX_MINOR + 1) 366a0965f35Sbonwick 3671195e687SMark J Musante #define ZPOOL_EXPORT_AFTER_SPLIT 0x1 3681195e687SMark J Musante 369fa9e4066Sahrens #ifdef _KERNEL 370fa9e4066Sahrens 371da6c28aaSamw typedef struct zfs_creat { 372de8267e0Stimh nvlist_t *zct_zplprops; 373da6c28aaSamw nvlist_t *zct_props; 374da6c28aaSamw } zfs_creat_t; 375da6c28aaSamw 376fa9e4066Sahrens extern dev_info_t *zfs_dip; 377fa9e4066Sahrens 378ecd6cf80Smarks extern int zfs_secpolicy_snapshot_perms(const char *name, cred_t *cr); 379ecd6cf80Smarks extern int zfs_secpolicy_rename_perms(const char *from, 380ecd6cf80Smarks const char *to, cred_t *cr); 381ecd6cf80Smarks extern int zfs_secpolicy_destroy_perms(const char *name, cred_t *cr); 382fa9e4066Sahrens extern int zfs_busy(void); 383fc7a6e3fSWill Andrews extern int zfs_unmount_snap(const char *); 3843b2aab18SMatthew Ahrens extern void zfs_destroy_unmount_origin(const char *); 385fa9e4066Sahrens 386c99e4bdcSChris Kirby /* 387c99e4bdcSChris Kirby * ZFS minor numbers can refer to either a control device instance or 388c99e4bdcSChris Kirby * a zvol. Depending on the value of zss_type, zss_data points to either 389c99e4bdcSChris Kirby * a zvol_state_t or a zfs_onexit_t. 390c99e4bdcSChris Kirby */ 391c99e4bdcSChris Kirby enum zfs_soft_state_type { 392c99e4bdcSChris Kirby ZSST_ZVOL, 393c99e4bdcSChris Kirby ZSST_CTLDEV 394c99e4bdcSChris Kirby }; 395c99e4bdcSChris Kirby 396c99e4bdcSChris Kirby typedef struct zfs_soft_state { 397c99e4bdcSChris Kirby enum zfs_soft_state_type zss_type; 398c99e4bdcSChris Kirby void *zss_data; 399c99e4bdcSChris Kirby } zfs_soft_state_t; 400c99e4bdcSChris Kirby 401c99e4bdcSChris Kirby extern void *zfsdev_get_soft_state(minor_t minor, 402c99e4bdcSChris Kirby enum zfs_soft_state_type which); 403c99e4bdcSChris Kirby extern minor_t zfsdev_minor_alloc(void); 404c99e4bdcSChris Kirby 405c99e4bdcSChris Kirby extern void *zfsdev_state; 406c99e4bdcSChris Kirby extern kmutex_t zfsdev_state_lock; 407c99e4bdcSChris Kirby 408fa9e4066Sahrens #endif /* _KERNEL */ 409fa9e4066Sahrens 410fa9e4066Sahrens #ifdef __cplusplus 411fa9e4066Sahrens } 412fa9e4066Sahrens #endif 413fa9e4066Sahrens 414fa9e4066Sahrens #endif /* _SYS_ZFS_IOCTL_H */ 415