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. 2398110f08SMatthew 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 82*9c3fd121SMatthew Ahrens #define DMU_BACKUP_FEATURE_DEDUP (1 << 0) 83*9c3fd121SMatthew Ahrens #define DMU_BACKUP_FEATURE_DEDUPPROPS (1 << 1) 84*9c3fd121SMatthew Ahrens #define DMU_BACKUP_FEATURE_SA_SPILL (1 << 2) 855d7b4d43SMatthew Ahrens /* flags #3 - #15 are reserved for incompatible closed-source implementations */ 86*9c3fd121SMatthew Ahrens #define DMU_BACKUP_FEATURE_EMBED_DATA (1 << 16) 87*9c3fd121SMatthew Ahrens #define DMU_BACKUP_FEATURE_EMBED_DATA_LZ4 (1 << 17) 88b5152584SMatthew Ahrens /* flag #18 is reserved for a Delphix feature */ 89*9c3fd121SMatthew Ahrens #define DMU_BACKUP_FEATURE_LARGE_BLOCKS (1 << 19) 90*9c3fd121SMatthew Ahrens #define DMU_BACKUP_FEATURE_RESUMING (1 << 20) 919e69d7d0SLori Alt 929e69d7d0SLori Alt /* 939e69d7d0SLori Alt * Mask of all supported backup features 949e69d7d0SLori Alt */ 958e714474SLori Alt #define DMU_BACKUP_FEATURE_MASK (DMU_BACKUP_FEATURE_DEDUP | \ 965d7b4d43SMatthew Ahrens DMU_BACKUP_FEATURE_DEDUPPROPS | DMU_BACKUP_FEATURE_SA_SPILL | \ 97b5152584SMatthew Ahrens DMU_BACKUP_FEATURE_EMBED_DATA | DMU_BACKUP_FEATURE_EMBED_DATA_LZ4 | \ 98*9c3fd121SMatthew Ahrens DMU_BACKUP_FEATURE_RESUMING | \ 99b5152584SMatthew Ahrens DMU_BACKUP_FEATURE_LARGE_BLOCKS) 1009e69d7d0SLori Alt 1019e69d7d0SLori Alt /* Are all features in the given flag word currently supported? */ 1029e69d7d0SLori Alt #define DMU_STREAM_SUPPORTED(x) (!((x) & ~DMU_BACKUP_FEATURE_MASK)) 1039e69d7d0SLori Alt 104*9c3fd121SMatthew Ahrens typedef enum dmu_send_resume_token_version { 105*9c3fd121SMatthew Ahrens ZFS_SEND_RESUME_TOKEN_VERSION = 1 106*9c3fd121SMatthew Ahrens } dmu_send_resume_token_version_t; 107*9c3fd121SMatthew Ahrens 1089e69d7d0SLori Alt /* 1099e69d7d0SLori Alt * The drr_versioninfo field of the dmu_replay_record has the 1109e69d7d0SLori Alt * following layout: 1119e69d7d0SLori Alt * 1129e69d7d0SLori Alt * 64 56 48 40 32 24 16 8 0 1139e69d7d0SLori Alt * +-------+-------+-------+-------+-------+-------+-------+-------+ 1149e69d7d0SLori Alt * | reserved | feature-flags |C|S| 1159e69d7d0SLori Alt * +-------+-------+-------+-------+-------+-------+-------+-------+ 1169e69d7d0SLori Alt * 1179e69d7d0SLori Alt * The low order two bits indicate the header type: SUBSTREAM (0x1) 1189e69d7d0SLori Alt * or COMPOUNDSTREAM (0x2). Using two bits for this is historical: 1199e69d7d0SLori Alt * this field used to be a version number, where the two version types 1209e69d7d0SLori Alt * were 1 and 2. Using two bits for this allows earlier versions of 1219e69d7d0SLori Alt * the code to be able to recognize send streams that don't use any 1229e69d7d0SLori Alt * of the features indicated by feature flags. 1239e69d7d0SLori Alt */ 1249e69d7d0SLori Alt 125fa9e4066Sahrens #define DMU_BACKUP_MAGIC 0x2F5bacbacULL 126fa9e4066Sahrens 127ab04eb8eStimh #define DRR_FLAG_CLONE (1<<0) 128ab04eb8eStimh #define DRR_FLAG_CI_DATA (1<<1) 1293cb34c60Sahrens 1308e714474SLori Alt /* 1318e714474SLori Alt * flags in the drr_checksumflags field in the DRR_WRITE and 1328e714474SLori Alt * DRR_WRITE_BYREF blocks 1338e714474SLori Alt */ 1348e714474SLori Alt #define DRR_CHECKSUM_DEDUP (1<<0) 1358e714474SLori Alt 1368e714474SLori Alt #define DRR_IS_DEDUP_CAPABLE(flags) ((flags) & DRR_CHECKSUM_DEDUP) 1378e714474SLori Alt 138fa9e4066Sahrens /* 139fa9e4066Sahrens * zfs ioctl command structure 140fa9e4066Sahrens */ 141fa9e4066Sahrens typedef struct dmu_replay_record { 142fa9e4066Sahrens enum { 143fa9e4066Sahrens DRR_BEGIN, DRR_OBJECT, DRR_FREEOBJECTS, 1449e69d7d0SLori Alt DRR_WRITE, DRR_FREE, DRR_END, DRR_WRITE_BYREF, 1455d7b4d43SMatthew Ahrens DRR_SPILL, DRR_WRITE_EMBEDDED, DRR_NUMTYPES 146fa9e4066Sahrens } drr_type; 1473cb34c60Sahrens uint32_t drr_payloadlen; 148fa9e4066Sahrens union { 149fa9e4066Sahrens struct drr_begin { 150fa9e4066Sahrens uint64_t drr_magic; 1519e69d7d0SLori Alt uint64_t drr_versioninfo; /* was drr_version */ 152fa9e4066Sahrens uint64_t drr_creation_time; 153fa9e4066Sahrens dmu_objset_type_t drr_type; 1543cb34c60Sahrens uint32_t drr_flags; 155fa9e4066Sahrens uint64_t drr_toguid; 156fa9e4066Sahrens uint64_t drr_fromguid; 157fa9e4066Sahrens char drr_toname[MAXNAMELEN]; 158fa9e4066Sahrens } drr_begin; 159fa9e4066Sahrens struct drr_end { 160ea8dc4b6Seschrock zio_cksum_t drr_checksum; 1619e69d7d0SLori Alt uint64_t drr_toguid; 162fa9e4066Sahrens } drr_end; 163fa9e4066Sahrens struct drr_object { 164fa9e4066Sahrens uint64_t drr_object; 165fa9e4066Sahrens dmu_object_type_t drr_type; 166fa9e4066Sahrens dmu_object_type_t drr_bonustype; 167fa9e4066Sahrens uint32_t drr_blksz; 168fa9e4066Sahrens uint32_t drr_bonuslen; 1699e69d7d0SLori Alt uint8_t drr_checksumtype; 170fa9e4066Sahrens uint8_t drr_compress; 171fa9e4066Sahrens uint8_t drr_pad[6]; 1729e69d7d0SLori Alt uint64_t drr_toguid; 173a2eea2e1Sahrens /* bonus content follows */ 174fa9e4066Sahrens } drr_object; 175fa9e4066Sahrens struct drr_freeobjects { 176fa9e4066Sahrens uint64_t drr_firstobj; 177fa9e4066Sahrens uint64_t drr_numobjs; 1789e69d7d0SLori Alt uint64_t drr_toguid; 179fa9e4066Sahrens } drr_freeobjects; 180fa9e4066Sahrens struct drr_write { 181fa9e4066Sahrens uint64_t drr_object; 182fa9e4066Sahrens dmu_object_type_t drr_type; 183fa9e4066Sahrens uint32_t drr_pad; 184fa9e4066Sahrens uint64_t drr_offset; 185fa9e4066Sahrens uint64_t drr_length; 1869e69d7d0SLori Alt uint64_t drr_toguid; 1879e69d7d0SLori Alt uint8_t drr_checksumtype; 1888e714474SLori Alt uint8_t drr_checksumflags; 1898e714474SLori Alt uint8_t drr_pad2[6]; 1908e714474SLori Alt ddt_key_t drr_key; /* deduplication key */ 191a2eea2e1Sahrens /* content follows */ 192fa9e4066Sahrens } drr_write; 193fa9e4066Sahrens struct drr_free { 194fa9e4066Sahrens uint64_t drr_object; 195fa9e4066Sahrens uint64_t drr_offset; 196fa9e4066Sahrens uint64_t drr_length; 1979e69d7d0SLori Alt uint64_t drr_toguid; 198fa9e4066Sahrens } drr_free; 1999e69d7d0SLori Alt struct drr_write_byref { 2009e69d7d0SLori Alt /* where to put the data */ 2019e69d7d0SLori Alt uint64_t drr_object; 2029e69d7d0SLori Alt uint64_t drr_offset; 2039e69d7d0SLori Alt uint64_t drr_length; 2049e69d7d0SLori Alt uint64_t drr_toguid; 2059e69d7d0SLori Alt /* where to find the prior copy of the data */ 2069e69d7d0SLori Alt uint64_t drr_refguid; 2079e69d7d0SLori Alt uint64_t drr_refobject; 2089e69d7d0SLori Alt uint64_t drr_refoffset; 2098e714474SLori Alt /* properties of the data */ 2109e69d7d0SLori Alt uint8_t drr_checksumtype; 2118e714474SLori Alt uint8_t drr_checksumflags; 2128e714474SLori Alt uint8_t drr_pad2[6]; 2138e714474SLori Alt ddt_key_t drr_key; /* deduplication key */ 2149e69d7d0SLori Alt } drr_write_byref; 2150a586ceaSMark Shellenbaum struct drr_spill { 2160a586ceaSMark Shellenbaum uint64_t drr_object; 2170a586ceaSMark Shellenbaum uint64_t drr_length; 2180a586ceaSMark Shellenbaum uint64_t drr_toguid; 2190a586ceaSMark Shellenbaum uint64_t drr_pad[4]; /* needed for crypto */ 2200a586ceaSMark Shellenbaum /* spill data follows */ 2210a586ceaSMark Shellenbaum } drr_spill; 2225d7b4d43SMatthew Ahrens struct drr_write_embedded { 2235d7b4d43SMatthew Ahrens uint64_t drr_object; 2245d7b4d43SMatthew Ahrens uint64_t drr_offset; 2255d7b4d43SMatthew Ahrens /* logical length, should equal blocksize */ 2265d7b4d43SMatthew Ahrens uint64_t drr_length; 2275d7b4d43SMatthew Ahrens uint64_t drr_toguid; 2285d7b4d43SMatthew Ahrens uint8_t drr_compression; 2295d7b4d43SMatthew Ahrens uint8_t drr_etype; 2305d7b4d43SMatthew Ahrens uint8_t drr_pad[6]; 2315d7b4d43SMatthew Ahrens uint32_t drr_lsize; /* uncompressed size of payload */ 2325d7b4d43SMatthew Ahrens uint32_t drr_psize; /* compr. (real) size of payload */ 2335d7b4d43SMatthew Ahrens /* (possibly compressed) content follows */ 2345d7b4d43SMatthew Ahrens } drr_write_embedded; 23598110f08SMatthew Ahrens 23698110f08SMatthew Ahrens /* 23798110f08SMatthew Ahrens * Nore: drr_checksum is overlaid with all record types 23898110f08SMatthew Ahrens * except DRR_BEGIN. Therefore its (non-pad) members 23998110f08SMatthew Ahrens * must not overlap with members from the other structs. 24098110f08SMatthew Ahrens * We accomplish this by putting its members at the very 24198110f08SMatthew Ahrens * end of the struct. 24298110f08SMatthew Ahrens */ 24398110f08SMatthew Ahrens struct drr_checksum { 24498110f08SMatthew Ahrens uint64_t drr_pad[34]; 24598110f08SMatthew Ahrens /* 24698110f08SMatthew Ahrens * fletcher-4 checksum of everything preceding the 24798110f08SMatthew Ahrens * checksum. 24898110f08SMatthew Ahrens */ 24998110f08SMatthew Ahrens zio_cksum_t drr_checksum; 25098110f08SMatthew Ahrens } drr_checksum; 251fa9e4066Sahrens } drr_u; 252fa9e4066Sahrens } dmu_replay_record_t; 253fa9e4066Sahrens 25499d5e173STim Haley /* diff record range types */ 25599d5e173STim Haley typedef enum diff_type { 25699d5e173STim Haley DDR_NONE = 0x1, 25799d5e173STim Haley DDR_INUSE = 0x2, 25899d5e173STim Haley DDR_FREE = 0x4 25999d5e173STim Haley } diff_type_t; 26099d5e173STim Haley 26199d5e173STim Haley /* 26299d5e173STim Haley * The diff reports back ranges of free or in-use objects. 26399d5e173STim Haley */ 26499d5e173STim Haley typedef struct dmu_diff_record { 26599d5e173STim Haley uint64_t ddr_type; 26699d5e173STim Haley uint64_t ddr_first; 26799d5e173STim Haley uint64_t ddr_last; 26899d5e173STim Haley } dmu_diff_record_t; 26999d5e173STim Haley 270ea8dc4b6Seschrock typedef struct zinject_record { 271ea8dc4b6Seschrock uint64_t zi_objset; 272ea8dc4b6Seschrock uint64_t zi_object; 273ea8dc4b6Seschrock uint64_t zi_start; 274ea8dc4b6Seschrock uint64_t zi_end; 275ea8dc4b6Seschrock uint64_t zi_guid; 276ea8dc4b6Seschrock uint32_t zi_level; 277ea8dc4b6Seschrock uint32_t zi_error; 278ea8dc4b6Seschrock uint64_t zi_type; 279ea8dc4b6Seschrock uint32_t zi_freq; 2808956713aSEric Schrock uint32_t zi_failfast; 28188ecc943SGeorge Wilson char zi_func[MAXNAMELEN]; 2828f18d1faSGeorge Wilson uint32_t zi_iotype; 283468c413aSTim Haley int32_t zi_duration; 284468c413aSTim Haley uint64_t zi_timer; 285283b8460SGeorge.Wilson uint32_t zi_cmd; 286283b8460SGeorge.Wilson uint32_t zi_pad; 287ea8dc4b6Seschrock } zinject_record_t; 288ea8dc4b6Seschrock 289ea8dc4b6Seschrock #define ZINJECT_NULL 0x1 290ea8dc4b6Seschrock #define ZINJECT_FLUSH_ARC 0x2 291ea8dc4b6Seschrock #define ZINJECT_UNLOAD_SPA 0x4 292ea8dc4b6Seschrock 293283b8460SGeorge.Wilson typedef enum zinject_type { 294283b8460SGeorge.Wilson ZINJECT_UNINITIALIZED, 295283b8460SGeorge.Wilson ZINJECT_DATA_FAULT, 296283b8460SGeorge.Wilson ZINJECT_DEVICE_FAULT, 297283b8460SGeorge.Wilson ZINJECT_LABEL_FAULT, 298283b8460SGeorge.Wilson ZINJECT_IGNORED_WRITES, 299283b8460SGeorge.Wilson ZINJECT_PANIC, 300283b8460SGeorge.Wilson ZINJECT_DELAY_IO, 301283b8460SGeorge.Wilson } zinject_type_t; 302283b8460SGeorge.Wilson 303ecd6cf80Smarks typedef struct zfs_share { 304ecd6cf80Smarks uint64_t z_exportdata; 305ecd6cf80Smarks uint64_t z_sharedata; 306ecd6cf80Smarks uint64_t z_sharetype; /* 0 = share, 1 = unshare */ 307ecd6cf80Smarks uint64_t z_sharemax; /* max length of share string */ 308ecd6cf80Smarks } zfs_share_t; 309ecd6cf80Smarks 310de8267e0Stimh /* 311de8267e0Stimh * ZFS file systems may behave the usual, POSIX-compliant way, where 312de8267e0Stimh * name lookups are case-sensitive. They may also be set up so that 313de8267e0Stimh * all the name lookups are case-insensitive, or so that only some 314de8267e0Stimh * lookups, the ones that set an FIGNORECASE flag, are case-insensitive. 315de8267e0Stimh */ 316de8267e0Stimh typedef enum zfs_case { 317de8267e0Stimh ZFS_CASE_SENSITIVE, 318de8267e0Stimh ZFS_CASE_INSENSITIVE, 319de8267e0Stimh ZFS_CASE_MIXED 320de8267e0Stimh } zfs_case_t; 321de8267e0Stimh 322fa9e4066Sahrens typedef struct zfs_cmd { 3234445fffbSMatthew Ahrens char zc_name[MAXPATHLEN]; /* name of pool or dataset */ 3244445fffbSMatthew Ahrens uint64_t zc_nvlist_src; /* really (char *) */ 3254445fffbSMatthew Ahrens uint64_t zc_nvlist_src_size; 3264445fffbSMatthew Ahrens uint64_t zc_nvlist_dst; /* really (char *) */ 3274445fffbSMatthew Ahrens uint64_t zc_nvlist_dst_size; 3284445fffbSMatthew Ahrens boolean_t zc_nvlist_dst_filled; /* put an nvlist in dst? */ 3294445fffbSMatthew Ahrens int zc_pad2; 3304445fffbSMatthew Ahrens 3314445fffbSMatthew Ahrens /* 3324445fffbSMatthew Ahrens * The following members are for legacy ioctls which haven't been 3334445fffbSMatthew Ahrens * converted to the new method. 3344445fffbSMatthew Ahrens */ 3354445fffbSMatthew Ahrens uint64_t zc_history; /* really (char *) */ 33655434c77Sek char zc_value[MAXPATHLEN * 2]; 3373cb34c60Sahrens char zc_string[MAXNAMELEN]; 338ea8dc4b6Seschrock uint64_t zc_guid; 339990b4856Slling uint64_t zc_nvlist_conf; /* really (char *) */ 340990b4856Slling uint64_t zc_nvlist_conf_size; 341fa9e4066Sahrens uint64_t zc_cookie; 342fa9e4066Sahrens uint64_t zc_objset_type; 343ecd6cf80Smarks uint64_t zc_perm_action; 3444445fffbSMatthew Ahrens uint64_t zc_history_len; 34506eeb2adSek uint64_t zc_history_offset; 34655434c77Sek uint64_t zc_obj; 347478ed9adSEric Taylor uint64_t zc_iflags; /* internal to zfs(7fs) */ 348ecd6cf80Smarks zfs_share_t zc_share; 349fa9e4066Sahrens dmu_objset_stats_t zc_objset_stats; 350*9c3fd121SMatthew Ahrens dmu_replay_record_t zc_begin_record; 351ea8dc4b6Seschrock zinject_record_t zc_inject_record; 3525d7b4d43SMatthew Ahrens uint32_t zc_defer_destroy; 3535d7b4d43SMatthew Ahrens uint32_t zc_flags; 354c99e4bdcSChris Kirby uint64_t zc_action_handle; 355c99e4bdcSChris Kirby int zc_cleanup_fd; 356*9c3fd121SMatthew Ahrens boolean_t zc_resumable; 357a7f53a56SChris Kirby uint64_t zc_sendobj; 358a7f53a56SChris Kirby uint64_t zc_fromobj; 359a7f53a56SChris Kirby uint64_t zc_createtxg; 36099d5e173STim Haley zfs_stat_t zc_stat; 361fa9e4066Sahrens } zfs_cmd_t; 362fa9e4066Sahrens 36314843421SMatthew Ahrens typedef struct zfs_useracct { 36414843421SMatthew Ahrens char zu_domain[256]; 36514843421SMatthew Ahrens uid_t zu_rid; 36614843421SMatthew Ahrens uint32_t zu_pad; 36714843421SMatthew Ahrens uint64_t zu_space; 36814843421SMatthew Ahrens } zfs_useracct_t; 36914843421SMatthew Ahrens 370c99e4bdcSChris Kirby #define ZFSDEV_MAX_MINOR (1 << 16) 371c99e4bdcSChris Kirby #define ZFS_MIN_MINOR (ZFSDEV_MAX_MINOR + 1) 372a0965f35Sbonwick 3731195e687SMark J Musante #define ZPOOL_EXPORT_AFTER_SPLIT 0x1 3741195e687SMark J Musante 375fa9e4066Sahrens #ifdef _KERNEL 376fa9e4066Sahrens 377da6c28aaSamw typedef struct zfs_creat { 378de8267e0Stimh nvlist_t *zct_zplprops; 379da6c28aaSamw nvlist_t *zct_props; 380da6c28aaSamw } zfs_creat_t; 381da6c28aaSamw 382fa9e4066Sahrens extern dev_info_t *zfs_dip; 383fa9e4066Sahrens 384ecd6cf80Smarks extern int zfs_secpolicy_snapshot_perms(const char *name, cred_t *cr); 385ecd6cf80Smarks extern int zfs_secpolicy_rename_perms(const char *from, 386ecd6cf80Smarks const char *to, cred_t *cr); 387ecd6cf80Smarks extern int zfs_secpolicy_destroy_perms(const char *name, cred_t *cr); 388fa9e4066Sahrens extern int zfs_busy(void); 389fc7a6e3fSWill Andrews extern int zfs_unmount_snap(const char *); 3903b2aab18SMatthew Ahrens extern void zfs_destroy_unmount_origin(const char *); 391fa9e4066Sahrens 392c99e4bdcSChris Kirby /* 393c99e4bdcSChris Kirby * ZFS minor numbers can refer to either a control device instance or 394c99e4bdcSChris Kirby * a zvol. Depending on the value of zss_type, zss_data points to either 395c99e4bdcSChris Kirby * a zvol_state_t or a zfs_onexit_t. 396c99e4bdcSChris Kirby */ 397c99e4bdcSChris Kirby enum zfs_soft_state_type { 398c99e4bdcSChris Kirby ZSST_ZVOL, 399c99e4bdcSChris Kirby ZSST_CTLDEV 400c99e4bdcSChris Kirby }; 401c99e4bdcSChris Kirby 402c99e4bdcSChris Kirby typedef struct zfs_soft_state { 403c99e4bdcSChris Kirby enum zfs_soft_state_type zss_type; 404c99e4bdcSChris Kirby void *zss_data; 405c99e4bdcSChris Kirby } zfs_soft_state_t; 406c99e4bdcSChris Kirby 407c99e4bdcSChris Kirby extern void *zfsdev_get_soft_state(minor_t minor, 408c99e4bdcSChris Kirby enum zfs_soft_state_type which); 409c99e4bdcSChris Kirby extern minor_t zfsdev_minor_alloc(void); 410c99e4bdcSChris Kirby 411c99e4bdcSChris Kirby extern void *zfsdev_state; 412c99e4bdcSChris Kirby extern kmutex_t zfsdev_state_lock; 413c99e4bdcSChris Kirby 414fa9e4066Sahrens #endif /* _KERNEL */ 415fa9e4066Sahrens 416fa9e4066Sahrens #ifdef __cplusplus 417fa9e4066Sahrens } 418fa9e4066Sahrens #endif 419fa9e4066Sahrens 420fa9e4066Sahrens #endif /* _SYS_ZFS_IOCTL_H */ 421