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. 230d8fa8f8SMartin Matuska * Copyright (c) 2011-2012 Pawel Jakub Dawidek. All rights reserved. 24*ed992b0aSSerapheim Dimitropoulos * Copyright (c) 2012, 2017 by Delphix. All rights reserved. 25880094b6SAndrew Stormont * Copyright 2016 RackTop Systems. 26c3d26abcSMatthew Ahrens * Copyright (c) 2014 Integros [integros.com] 27fa9e4066Sahrens */ 28fa9e4066Sahrens 29fa9e4066Sahrens #ifndef _SYS_ZFS_IOCTL_H 30fa9e4066Sahrens #define _SYS_ZFS_IOCTL_H 31fa9e4066Sahrens 32fa9e4066Sahrens #include <sys/cred.h> 33fa9e4066Sahrens #include <sys/dmu.h> 34ea8dc4b6Seschrock #include <sys/zio.h> 35ecd6cf80Smarks #include <sys/dsl_deleg.h> 369e69d7d0SLori Alt #include <sys/spa.h> 3799d5e173STim Haley #include <sys/zfs_stat.h> 38fa9e4066Sahrens 39da6c28aaSamw #ifdef _KERNEL 40da6c28aaSamw #include <sys/nvpair.h> 41da6c28aaSamw #endif /* _KERNEL */ 42da6c28aaSamw 43fa9e4066Sahrens #ifdef __cplusplus 44fa9e4066Sahrens extern "C" { 45fa9e4066Sahrens #endif 46fa9e4066Sahrens 474445fffbSMatthew Ahrens /* 484445fffbSMatthew Ahrens * The structures in this file are passed between userland and the 494445fffbSMatthew Ahrens * kernel. Userland may be running a 32-bit process, while the kernel 504445fffbSMatthew Ahrens * is 64-bit. Therefore, these structures need to compile the same in 514445fffbSMatthew Ahrens * 32-bit and 64-bit. This means not using type "long", and adding 524445fffbSMatthew Ahrens * explicit padding so that the 32-bit structure will not be packed more 534445fffbSMatthew Ahrens * tightly than the 64-bit structure (which requires 64-bit alignment). 544445fffbSMatthew Ahrens */ 554445fffbSMatthew Ahrens 56fa9e4066Sahrens /* 57fa9e4066Sahrens * Property values for snapdir 58fa9e4066Sahrens */ 59a0965f35Sbonwick #define ZFS_SNAPDIR_HIDDEN 0 60a0965f35Sbonwick #define ZFS_SNAPDIR_VISIBLE 1 61fa9e4066Sahrens 629e69d7d0SLori Alt /* 639e69d7d0SLori Alt * Field manipulation macros for the drr_versioninfo field of the 649e69d7d0SLori Alt * send stream header. 659e69d7d0SLori Alt */ 669e69d7d0SLori Alt 679e69d7d0SLori Alt /* 689e69d7d0SLori Alt * Header types for zfs send streams. 699e69d7d0SLori Alt */ 709e69d7d0SLori Alt typedef enum drr_headertype { 719e69d7d0SLori Alt DMU_SUBSTREAM = 0x1, 729e69d7d0SLori Alt DMU_COMPOUNDSTREAM = 0x2 739e69d7d0SLori Alt } drr_headertype_t; 749e69d7d0SLori Alt 759e69d7d0SLori Alt #define DMU_GET_STREAM_HDRTYPE(vi) BF64_GET((vi), 0, 2) 769e69d7d0SLori Alt #define DMU_SET_STREAM_HDRTYPE(vi, x) BF64_SET((vi), 0, 2, x) 779e69d7d0SLori Alt 789e69d7d0SLori Alt #define DMU_GET_FEATUREFLAGS(vi) BF64_GET((vi), 2, 30) 799e69d7d0SLori Alt #define DMU_SET_FEATUREFLAGS(vi, x) BF64_SET((vi), 2, 30, x) 809e69d7d0SLori Alt 819e69d7d0SLori Alt /* 829e69d7d0SLori Alt * Feature flags for zfs send streams (flags in drr_versioninfo) 839e69d7d0SLori Alt */ 849e69d7d0SLori Alt 859c3fd121SMatthew Ahrens #define DMU_BACKUP_FEATURE_DEDUP (1 << 0) 869c3fd121SMatthew Ahrens #define DMU_BACKUP_FEATURE_DEDUPPROPS (1 << 1) 879c3fd121SMatthew Ahrens #define DMU_BACKUP_FEATURE_SA_SPILL (1 << 2) 885d7b4d43SMatthew Ahrens /* flags #3 - #15 are reserved for incompatible closed-source implementations */ 899c3fd121SMatthew Ahrens #define DMU_BACKUP_FEATURE_EMBED_DATA (1 << 16) 905602294fSDan Kimmel #define DMU_BACKUP_FEATURE_LZ4 (1 << 17) 91b5152584SMatthew Ahrens /* flag #18 is reserved for a Delphix feature */ 929c3fd121SMatthew Ahrens #define DMU_BACKUP_FEATURE_LARGE_BLOCKS (1 << 19) 939c3fd121SMatthew Ahrens #define DMU_BACKUP_FEATURE_RESUMING (1 << 20) 945602294fSDan Kimmel /* flag #21 is reserved for a Delphix feature */ 955602294fSDan Kimmel #define DMU_BACKUP_FEATURE_COMPRESSED (1 << 22) 96bc83969fSBrian Behlendorf /* flag #23 is reserved for the large dnode feature */ 979e69d7d0SLori Alt 989e69d7d0SLori Alt /* 999e69d7d0SLori Alt * Mask of all supported backup features 1009e69d7d0SLori Alt */ 1018e714474SLori Alt #define DMU_BACKUP_FEATURE_MASK (DMU_BACKUP_FEATURE_DEDUP | \ 1025d7b4d43SMatthew Ahrens DMU_BACKUP_FEATURE_DEDUPPROPS | DMU_BACKUP_FEATURE_SA_SPILL | \ 1035602294fSDan Kimmel DMU_BACKUP_FEATURE_EMBED_DATA | DMU_BACKUP_FEATURE_LZ4 | \ 1049c3fd121SMatthew Ahrens DMU_BACKUP_FEATURE_RESUMING | \ 1055602294fSDan Kimmel DMU_BACKUP_FEATURE_LARGE_BLOCKS | \ 1065602294fSDan Kimmel DMU_BACKUP_FEATURE_COMPRESSED) 1079e69d7d0SLori Alt 1089e69d7d0SLori Alt /* Are all features in the given flag word currently supported? */ 1099e69d7d0SLori Alt #define DMU_STREAM_SUPPORTED(x) (!((x) & ~DMU_BACKUP_FEATURE_MASK)) 1109e69d7d0SLori Alt 1119c3fd121SMatthew Ahrens typedef enum dmu_send_resume_token_version { 1129c3fd121SMatthew Ahrens ZFS_SEND_RESUME_TOKEN_VERSION = 1 1139c3fd121SMatthew Ahrens } dmu_send_resume_token_version_t; 1149c3fd121SMatthew Ahrens 1159e69d7d0SLori Alt /* 1169e69d7d0SLori Alt * The drr_versioninfo field of the dmu_replay_record has the 1179e69d7d0SLori Alt * following layout: 1189e69d7d0SLori Alt * 1199e69d7d0SLori Alt * 64 56 48 40 32 24 16 8 0 1209e69d7d0SLori Alt * +-------+-------+-------+-------+-------+-------+-------+-------+ 1219e69d7d0SLori Alt * | reserved | feature-flags |C|S| 1229e69d7d0SLori Alt * +-------+-------+-------+-------+-------+-------+-------+-------+ 1239e69d7d0SLori Alt * 1249e69d7d0SLori Alt * The low order two bits indicate the header type: SUBSTREAM (0x1) 1259e69d7d0SLori Alt * or COMPOUNDSTREAM (0x2). Using two bits for this is historical: 1269e69d7d0SLori Alt * this field used to be a version number, where the two version types 1279e69d7d0SLori Alt * were 1 and 2. Using two bits for this allows earlier versions of 1289e69d7d0SLori Alt * the code to be able to recognize send streams that don't use any 1299e69d7d0SLori Alt * of the features indicated by feature flags. 1309e69d7d0SLori Alt */ 1319e69d7d0SLori Alt 132fa9e4066Sahrens #define DMU_BACKUP_MAGIC 0x2F5bacbacULL 133fa9e4066Sahrens 134880094b6SAndrew Stormont /* 135880094b6SAndrew Stormont * Send stream flags. Bits 24-31 are reserved for vendor-specific 136880094b6SAndrew Stormont * implementations and should not be used. 137880094b6SAndrew Stormont */ 138ab04eb8eStimh #define DRR_FLAG_CLONE (1<<0) 139ab04eb8eStimh #define DRR_FLAG_CI_DATA (1<<1) 14068ecb2ecSPaul Dagnelie /* 14168ecb2ecSPaul Dagnelie * This send stream, if it is a full send, includes the FREE and FREEOBJECT 14268ecb2ecSPaul Dagnelie * records that are created by the sending process. This means that the send 14368ecb2ecSPaul Dagnelie * stream can be received as a clone, even though it is not an incremental. 14468ecb2ecSPaul Dagnelie * This is not implemented as a feature flag, because the receiving side does 14568ecb2ecSPaul Dagnelie * not need to have implemented it to receive this stream; it is fully backwards 14668ecb2ecSPaul Dagnelie * compatible. We need a flag, though, because full send streams without it 14768ecb2ecSPaul Dagnelie * cannot necessarily be received as a clone correctly. 14868ecb2ecSPaul Dagnelie */ 14968ecb2ecSPaul Dagnelie #define DRR_FLAG_FREERECORDS (1<<2) 1503cb34c60Sahrens 1518e714474SLori Alt /* 1528e714474SLori Alt * flags in the drr_checksumflags field in the DRR_WRITE and 1538e714474SLori Alt * DRR_WRITE_BYREF blocks 1548e714474SLori Alt */ 1558e714474SLori Alt #define DRR_CHECKSUM_DEDUP (1<<0) 1568e714474SLori Alt 1578e714474SLori Alt #define DRR_IS_DEDUP_CAPABLE(flags) ((flags) & DRR_CHECKSUM_DEDUP) 1588e714474SLori Alt 1595602294fSDan Kimmel /* deal with compressed drr_write replay records */ 1605602294fSDan Kimmel #define DRR_WRITE_COMPRESSED(drrw) ((drrw)->drr_compressiontype != 0) 1615602294fSDan Kimmel #define DRR_WRITE_PAYLOAD_SIZE(drrw) \ 1625602294fSDan Kimmel (DRR_WRITE_COMPRESSED(drrw) ? (drrw)->drr_compressed_size : \ 1635602294fSDan Kimmel (drrw)->drr_logical_size) 1645602294fSDan Kimmel 165fa9e4066Sahrens /* 166fa9e4066Sahrens * zfs ioctl command structure 167fa9e4066Sahrens */ 168fa9e4066Sahrens typedef struct dmu_replay_record { 169fa9e4066Sahrens enum { 170fa9e4066Sahrens DRR_BEGIN, DRR_OBJECT, DRR_FREEOBJECTS, 1719e69d7d0SLori Alt DRR_WRITE, DRR_FREE, DRR_END, DRR_WRITE_BYREF, 1725d7b4d43SMatthew Ahrens DRR_SPILL, DRR_WRITE_EMBEDDED, DRR_NUMTYPES 173fa9e4066Sahrens } drr_type; 1743cb34c60Sahrens uint32_t drr_payloadlen; 175fa9e4066Sahrens union { 176fa9e4066Sahrens struct drr_begin { 177fa9e4066Sahrens uint64_t drr_magic; 1789e69d7d0SLori Alt uint64_t drr_versioninfo; /* was drr_version */ 179fa9e4066Sahrens uint64_t drr_creation_time; 180fa9e4066Sahrens dmu_objset_type_t drr_type; 1813cb34c60Sahrens uint32_t drr_flags; 182fa9e4066Sahrens uint64_t drr_toguid; 183fa9e4066Sahrens uint64_t drr_fromguid; 184fa9e4066Sahrens char drr_toname[MAXNAMELEN]; 185fa9e4066Sahrens } drr_begin; 186fa9e4066Sahrens struct drr_end { 187ea8dc4b6Seschrock zio_cksum_t drr_checksum; 1889e69d7d0SLori Alt uint64_t drr_toguid; 189fa9e4066Sahrens } drr_end; 190fa9e4066Sahrens struct drr_object { 191fa9e4066Sahrens uint64_t drr_object; 192fa9e4066Sahrens dmu_object_type_t drr_type; 193fa9e4066Sahrens dmu_object_type_t drr_bonustype; 194fa9e4066Sahrens uint32_t drr_blksz; 195fa9e4066Sahrens uint32_t drr_bonuslen; 1969e69d7d0SLori Alt uint8_t drr_checksumtype; 197fa9e4066Sahrens uint8_t drr_compress; 198fa9e4066Sahrens uint8_t drr_pad[6]; 1999e69d7d0SLori Alt uint64_t drr_toguid; 200a2eea2e1Sahrens /* bonus content follows */ 201fa9e4066Sahrens } drr_object; 202fa9e4066Sahrens struct drr_freeobjects { 203fa9e4066Sahrens uint64_t drr_firstobj; 204fa9e4066Sahrens uint64_t drr_numobjs; 2059e69d7d0SLori Alt uint64_t drr_toguid; 206fa9e4066Sahrens } drr_freeobjects; 207fa9e4066Sahrens struct drr_write { 208fa9e4066Sahrens uint64_t drr_object; 209fa9e4066Sahrens dmu_object_type_t drr_type; 210fa9e4066Sahrens uint32_t drr_pad; 211fa9e4066Sahrens uint64_t drr_offset; 2125602294fSDan Kimmel uint64_t drr_logical_size; 2139e69d7d0SLori Alt uint64_t drr_toguid; 2149e69d7d0SLori Alt uint8_t drr_checksumtype; 2158e714474SLori Alt uint8_t drr_checksumflags; 2165602294fSDan Kimmel uint8_t drr_compressiontype; 2175602294fSDan Kimmel uint8_t drr_pad2[5]; 2185602294fSDan Kimmel /* deduplication key */ 2195602294fSDan Kimmel ddt_key_t drr_key; 2205602294fSDan Kimmel /* only nonzero if drr_compressiontype is not 0 */ 2215602294fSDan Kimmel uint64_t drr_compressed_size; 222a2eea2e1Sahrens /* content follows */ 223fa9e4066Sahrens } drr_write; 224fa9e4066Sahrens struct drr_free { 225fa9e4066Sahrens uint64_t drr_object; 226fa9e4066Sahrens uint64_t drr_offset; 227fa9e4066Sahrens uint64_t drr_length; 2289e69d7d0SLori Alt uint64_t drr_toguid; 229fa9e4066Sahrens } drr_free; 2309e69d7d0SLori Alt struct drr_write_byref { 2319e69d7d0SLori Alt /* where to put the data */ 2329e69d7d0SLori Alt uint64_t drr_object; 2339e69d7d0SLori Alt uint64_t drr_offset; 2349e69d7d0SLori Alt uint64_t drr_length; 2359e69d7d0SLori Alt uint64_t drr_toguid; 2369e69d7d0SLori Alt /* where to find the prior copy of the data */ 2379e69d7d0SLori Alt uint64_t drr_refguid; 2389e69d7d0SLori Alt uint64_t drr_refobject; 2399e69d7d0SLori Alt uint64_t drr_refoffset; 2408e714474SLori Alt /* properties of the data */ 2419e69d7d0SLori Alt uint8_t drr_checksumtype; 2428e714474SLori Alt uint8_t drr_checksumflags; 2438e714474SLori Alt uint8_t drr_pad2[6]; 2448e714474SLori Alt ddt_key_t drr_key; /* deduplication key */ 2459e69d7d0SLori Alt } drr_write_byref; 2460a586ceaSMark Shellenbaum struct drr_spill { 2470a586ceaSMark Shellenbaum uint64_t drr_object; 2480a586ceaSMark Shellenbaum uint64_t drr_length; 2490a586ceaSMark Shellenbaum uint64_t drr_toguid; 2500a586ceaSMark Shellenbaum uint64_t drr_pad[4]; /* needed for crypto */ 2510a586ceaSMark Shellenbaum /* spill data follows */ 2520a586ceaSMark Shellenbaum } drr_spill; 2535d7b4d43SMatthew Ahrens struct drr_write_embedded { 2545d7b4d43SMatthew Ahrens uint64_t drr_object; 2555d7b4d43SMatthew Ahrens uint64_t drr_offset; 2565d7b4d43SMatthew Ahrens /* logical length, should equal blocksize */ 2575d7b4d43SMatthew Ahrens uint64_t drr_length; 2585d7b4d43SMatthew Ahrens uint64_t drr_toguid; 2595d7b4d43SMatthew Ahrens uint8_t drr_compression; 2605d7b4d43SMatthew Ahrens uint8_t drr_etype; 2615d7b4d43SMatthew Ahrens uint8_t drr_pad[6]; 2625d7b4d43SMatthew Ahrens uint32_t drr_lsize; /* uncompressed size of payload */ 2635d7b4d43SMatthew Ahrens uint32_t drr_psize; /* compr. (real) size of payload */ 2645d7b4d43SMatthew Ahrens /* (possibly compressed) content follows */ 2655d7b4d43SMatthew Ahrens } drr_write_embedded; 26698110f08SMatthew Ahrens 26798110f08SMatthew Ahrens /* 26898110f08SMatthew Ahrens * Nore: drr_checksum is overlaid with all record types 26998110f08SMatthew Ahrens * except DRR_BEGIN. Therefore its (non-pad) members 27098110f08SMatthew Ahrens * must not overlap with members from the other structs. 27198110f08SMatthew Ahrens * We accomplish this by putting its members at the very 27298110f08SMatthew Ahrens * end of the struct. 27398110f08SMatthew Ahrens */ 27498110f08SMatthew Ahrens struct drr_checksum { 27598110f08SMatthew Ahrens uint64_t drr_pad[34]; 27698110f08SMatthew Ahrens /* 27798110f08SMatthew Ahrens * fletcher-4 checksum of everything preceding the 27898110f08SMatthew Ahrens * checksum. 27998110f08SMatthew Ahrens */ 28098110f08SMatthew Ahrens zio_cksum_t drr_checksum; 28198110f08SMatthew Ahrens } drr_checksum; 282fa9e4066Sahrens } drr_u; 283fa9e4066Sahrens } dmu_replay_record_t; 284fa9e4066Sahrens 28599d5e173STim Haley /* diff record range types */ 28699d5e173STim Haley typedef enum diff_type { 28799d5e173STim Haley DDR_NONE = 0x1, 28899d5e173STim Haley DDR_INUSE = 0x2, 28999d5e173STim Haley DDR_FREE = 0x4 29099d5e173STim Haley } diff_type_t; 29199d5e173STim Haley 29299d5e173STim Haley /* 29399d5e173STim Haley * The diff reports back ranges of free or in-use objects. 29499d5e173STim Haley */ 29599d5e173STim Haley typedef struct dmu_diff_record { 29699d5e173STim Haley uint64_t ddr_type; 29799d5e173STim Haley uint64_t ddr_first; 29899d5e173STim Haley uint64_t ddr_last; 29999d5e173STim Haley } dmu_diff_record_t; 30099d5e173STim Haley 301ea8dc4b6Seschrock typedef struct zinject_record { 302ea8dc4b6Seschrock uint64_t zi_objset; 303ea8dc4b6Seschrock uint64_t zi_object; 304ea8dc4b6Seschrock uint64_t zi_start; 305ea8dc4b6Seschrock uint64_t zi_end; 306ea8dc4b6Seschrock uint64_t zi_guid; 307ea8dc4b6Seschrock uint32_t zi_level; 308ea8dc4b6Seschrock uint32_t zi_error; 309ea8dc4b6Seschrock uint64_t zi_type; 310ea8dc4b6Seschrock uint32_t zi_freq; 3118956713aSEric Schrock uint32_t zi_failfast; 31288ecc943SGeorge Wilson char zi_func[MAXNAMELEN]; 3138f18d1faSGeorge Wilson uint32_t zi_iotype; 314468c413aSTim Haley int32_t zi_duration; 315468c413aSTim Haley uint64_t zi_timer; 31697e81309SPrakash Surya uint64_t zi_nlanes; 317283b8460SGeorge.Wilson uint32_t zi_cmd; 318283b8460SGeorge.Wilson uint32_t zi_pad; 319ea8dc4b6Seschrock } zinject_record_t; 320ea8dc4b6Seschrock 321ea8dc4b6Seschrock #define ZINJECT_NULL 0x1 322ea8dc4b6Seschrock #define ZINJECT_FLUSH_ARC 0x2 323ea8dc4b6Seschrock #define ZINJECT_UNLOAD_SPA 0x4 324ea8dc4b6Seschrock 325283b8460SGeorge.Wilson typedef enum zinject_type { 326283b8460SGeorge.Wilson ZINJECT_UNINITIALIZED, 327283b8460SGeorge.Wilson ZINJECT_DATA_FAULT, 328283b8460SGeorge.Wilson ZINJECT_DEVICE_FAULT, 329283b8460SGeorge.Wilson ZINJECT_LABEL_FAULT, 330283b8460SGeorge.Wilson ZINJECT_IGNORED_WRITES, 331283b8460SGeorge.Wilson ZINJECT_PANIC, 332283b8460SGeorge.Wilson ZINJECT_DELAY_IO, 333283b8460SGeorge.Wilson } zinject_type_t; 334283b8460SGeorge.Wilson 335ecd6cf80Smarks typedef struct zfs_share { 336ecd6cf80Smarks uint64_t z_exportdata; 337ecd6cf80Smarks uint64_t z_sharedata; 338ecd6cf80Smarks uint64_t z_sharetype; /* 0 = share, 1 = unshare */ 339ecd6cf80Smarks uint64_t z_sharemax; /* max length of share string */ 340ecd6cf80Smarks } zfs_share_t; 341ecd6cf80Smarks 342de8267e0Stimh /* 343de8267e0Stimh * ZFS file systems may behave the usual, POSIX-compliant way, where 344de8267e0Stimh * name lookups are case-sensitive. They may also be set up so that 345de8267e0Stimh * all the name lookups are case-insensitive, or so that only some 346de8267e0Stimh * lookups, the ones that set an FIGNORECASE flag, are case-insensitive. 347de8267e0Stimh */ 348de8267e0Stimh typedef enum zfs_case { 349de8267e0Stimh ZFS_CASE_SENSITIVE, 350de8267e0Stimh ZFS_CASE_INSENSITIVE, 351de8267e0Stimh ZFS_CASE_MIXED 352de8267e0Stimh } zfs_case_t; 353de8267e0Stimh 354ea4a67f4SMatthew Ahrens /* 355ea4a67f4SMatthew Ahrens * Note: this struct must have the same layout in 32-bit and 64-bit, so 356ea4a67f4SMatthew Ahrens * that 32-bit processes (like /sbin/zfs) can pass it to the 64-bit 357ea4a67f4SMatthew Ahrens * kernel. Therefore, we add padding to it so that no "hidden" padding 358ea4a67f4SMatthew Ahrens * is automatically added on 64-bit (but not on 32-bit). 359ea4a67f4SMatthew Ahrens */ 360fa9e4066Sahrens typedef struct zfs_cmd { 3614445fffbSMatthew Ahrens char zc_name[MAXPATHLEN]; /* name of pool or dataset */ 3624445fffbSMatthew Ahrens uint64_t zc_nvlist_src; /* really (char *) */ 3634445fffbSMatthew Ahrens uint64_t zc_nvlist_src_size; 3644445fffbSMatthew Ahrens uint64_t zc_nvlist_dst; /* really (char *) */ 3654445fffbSMatthew Ahrens uint64_t zc_nvlist_dst_size; 3664445fffbSMatthew Ahrens boolean_t zc_nvlist_dst_filled; /* put an nvlist in dst? */ 3674445fffbSMatthew Ahrens int zc_pad2; 3684445fffbSMatthew Ahrens 3694445fffbSMatthew Ahrens /* 3704445fffbSMatthew Ahrens * The following members are for legacy ioctls which haven't been 3714445fffbSMatthew Ahrens * converted to the new method. 3724445fffbSMatthew Ahrens */ 3734445fffbSMatthew Ahrens uint64_t zc_history; /* really (char *) */ 37455434c77Sek char zc_value[MAXPATHLEN * 2]; 3753cb34c60Sahrens char zc_string[MAXNAMELEN]; 376ea8dc4b6Seschrock uint64_t zc_guid; 377990b4856Slling uint64_t zc_nvlist_conf; /* really (char *) */ 378990b4856Slling uint64_t zc_nvlist_conf_size; 379fa9e4066Sahrens uint64_t zc_cookie; 380fa9e4066Sahrens uint64_t zc_objset_type; 381ecd6cf80Smarks uint64_t zc_perm_action; 3824445fffbSMatthew Ahrens uint64_t zc_history_len; 38306eeb2adSek uint64_t zc_history_offset; 38455434c77Sek uint64_t zc_obj; 385478ed9adSEric Taylor uint64_t zc_iflags; /* internal to zfs(7fs) */ 386ecd6cf80Smarks zfs_share_t zc_share; 387fa9e4066Sahrens dmu_objset_stats_t zc_objset_stats; 3889c3fd121SMatthew Ahrens dmu_replay_record_t zc_begin_record; 389ea8dc4b6Seschrock zinject_record_t zc_inject_record; 3905d7b4d43SMatthew Ahrens uint32_t zc_defer_destroy; 3915d7b4d43SMatthew Ahrens uint32_t zc_flags; 392c99e4bdcSChris Kirby uint64_t zc_action_handle; 393c99e4bdcSChris Kirby int zc_cleanup_fd; 3940d8fa8f8SMartin Matuska uint8_t zc_simple; 395ea4a67f4SMatthew Ahrens uint8_t zc_pad3[3]; 3969c3fd121SMatthew Ahrens boolean_t zc_resumable; 397ea4a67f4SMatthew Ahrens uint32_t zc_pad4; 398a7f53a56SChris Kirby uint64_t zc_sendobj; 399a7f53a56SChris Kirby uint64_t zc_fromobj; 400a7f53a56SChris Kirby uint64_t zc_createtxg; 40199d5e173STim Haley zfs_stat_t zc_stat; 402fa9e4066Sahrens } zfs_cmd_t; 403fa9e4066Sahrens 40414843421SMatthew Ahrens typedef struct zfs_useracct { 40514843421SMatthew Ahrens char zu_domain[256]; 40614843421SMatthew Ahrens uid_t zu_rid; 40714843421SMatthew Ahrens uint32_t zu_pad; 40814843421SMatthew Ahrens uint64_t zu_space; 40914843421SMatthew Ahrens } zfs_useracct_t; 41014843421SMatthew Ahrens 411c99e4bdcSChris Kirby #define ZFSDEV_MAX_MINOR (1 << 16) 412c99e4bdcSChris Kirby #define ZFS_MIN_MINOR (ZFSDEV_MAX_MINOR + 1) 413a0965f35Sbonwick 4141195e687SMark J Musante #define ZPOOL_EXPORT_AFTER_SPLIT 0x1 4151195e687SMark J Musante 416fa9e4066Sahrens #ifdef _KERNEL 417dfc11533SChris Williamson struct objset; 418dfc11533SChris Williamson struct zfsvfs; 419fa9e4066Sahrens 420da6c28aaSamw typedef struct zfs_creat { 421de8267e0Stimh nvlist_t *zct_zplprops; 422da6c28aaSamw nvlist_t *zct_props; 423da6c28aaSamw } zfs_creat_t; 424da6c28aaSamw 425fa9e4066Sahrens extern dev_info_t *zfs_dip; 426fa9e4066Sahrens 427dfc11533SChris Williamson extern int zfs_secpolicy_snapshot_perms(const char *, cred_t *); 428dfc11533SChris Williamson extern int zfs_secpolicy_rename_perms(const char *, const char *, cred_t *); 429dfc11533SChris Williamson extern int zfs_secpolicy_destroy_perms(const char *, cred_t *); 430fa9e4066Sahrens extern int zfs_busy(void); 431*ed992b0aSSerapheim Dimitropoulos extern void zfs_unmount_snap(const char *); 4323b2aab18SMatthew Ahrens extern void zfs_destroy_unmount_origin(const char *); 433dfc11533SChris Williamson extern int getzfsvfs_impl(struct objset *, struct zfsvfs **); 434*ed992b0aSSerapheim Dimitropoulos extern int getzfsvfs(const char *, struct zfsvfs **); 435fa9e4066Sahrens 436c99e4bdcSChris Kirby /* 437c99e4bdcSChris Kirby * ZFS minor numbers can refer to either a control device instance or 438c99e4bdcSChris Kirby * a zvol. Depending on the value of zss_type, zss_data points to either 439c99e4bdcSChris Kirby * a zvol_state_t or a zfs_onexit_t. 440c99e4bdcSChris Kirby */ 441c99e4bdcSChris Kirby enum zfs_soft_state_type { 442c99e4bdcSChris Kirby ZSST_ZVOL, 443c99e4bdcSChris Kirby ZSST_CTLDEV 444c99e4bdcSChris Kirby }; 445c99e4bdcSChris Kirby 446c99e4bdcSChris Kirby typedef struct zfs_soft_state { 447c99e4bdcSChris Kirby enum zfs_soft_state_type zss_type; 448c99e4bdcSChris Kirby void *zss_data; 449c99e4bdcSChris Kirby } zfs_soft_state_t; 450c99e4bdcSChris Kirby 451c99e4bdcSChris Kirby extern void *zfsdev_get_soft_state(minor_t minor, 452c99e4bdcSChris Kirby enum zfs_soft_state_type which); 453c99e4bdcSChris Kirby extern minor_t zfsdev_minor_alloc(void); 454c99e4bdcSChris Kirby 455c99e4bdcSChris Kirby extern void *zfsdev_state; 456c99e4bdcSChris Kirby extern kmutex_t zfsdev_state_lock; 457c99e4bdcSChris Kirby 458fa9e4066Sahrens #endif /* _KERNEL */ 459fa9e4066Sahrens 460fa9e4066Sahrens #ifdef __cplusplus 461fa9e4066Sahrens } 462fa9e4066Sahrens #endif 463fa9e4066Sahrens 464fa9e4066Sahrens #endif /* _SYS_ZFS_IOCTL_H */ 465