1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _SYS_ZFS_IOCTL_H 27 #define _SYS_ZFS_IOCTL_H 28 29 #include <sys/cred.h> 30 #include <sys/dmu.h> 31 #include <sys/zio.h> 32 #include <sys/dsl_deleg.h> 33 34 #ifdef _KERNEL 35 #include <sys/nvpair.h> 36 #endif /* _KERNEL */ 37 38 #ifdef __cplusplus 39 extern "C" { 40 #endif 41 42 /* 43 * Property values for snapdir 44 */ 45 #define ZFS_SNAPDIR_HIDDEN 0 46 #define ZFS_SNAPDIR_VISIBLE 1 47 48 #define DMU_BACKUP_STREAM_VERSION (1ULL) 49 #define DMU_BACKUP_HEADER_VERSION (2ULL) 50 #define DMU_BACKUP_MAGIC 0x2F5bacbacULL 51 52 #define DRR_FLAG_CLONE (1<<0) 53 #define DRR_FLAG_CI_DATA (1<<1) 54 55 /* 56 * zfs ioctl command structure 57 */ 58 typedef struct dmu_replay_record { 59 enum { 60 DRR_BEGIN, DRR_OBJECT, DRR_FREEOBJECTS, 61 DRR_WRITE, DRR_FREE, DRR_END, 62 } drr_type; 63 uint32_t drr_payloadlen; 64 union { 65 struct drr_begin { 66 uint64_t drr_magic; 67 uint64_t drr_version; 68 uint64_t drr_creation_time; 69 dmu_objset_type_t drr_type; 70 uint32_t drr_flags; 71 uint64_t drr_toguid; 72 uint64_t drr_fromguid; 73 char drr_toname[MAXNAMELEN]; 74 } drr_begin; 75 struct drr_end { 76 zio_cksum_t drr_checksum; 77 } drr_end; 78 struct drr_object { 79 uint64_t drr_object; 80 dmu_object_type_t drr_type; 81 dmu_object_type_t drr_bonustype; 82 uint32_t drr_blksz; 83 uint32_t drr_bonuslen; 84 uint8_t drr_checksum; 85 uint8_t drr_compress; 86 uint8_t drr_pad[6]; 87 /* bonus content follows */ 88 } drr_object; 89 struct drr_freeobjects { 90 uint64_t drr_firstobj; 91 uint64_t drr_numobjs; 92 } drr_freeobjects; 93 struct drr_write { 94 uint64_t drr_object; 95 dmu_object_type_t drr_type; 96 uint32_t drr_pad; 97 uint64_t drr_offset; 98 uint64_t drr_length; 99 /* content follows */ 100 } drr_write; 101 struct drr_free { 102 uint64_t drr_object; 103 uint64_t drr_offset; 104 uint64_t drr_length; 105 } drr_free; 106 } drr_u; 107 } dmu_replay_record_t; 108 109 typedef struct zinject_record { 110 uint64_t zi_objset; 111 uint64_t zi_object; 112 uint64_t zi_start; 113 uint64_t zi_end; 114 uint64_t zi_guid; 115 uint32_t zi_level; 116 uint32_t zi_error; 117 uint64_t zi_type; 118 uint32_t zi_freq; 119 uint32_t zi_failfast; 120 } zinject_record_t; 121 122 #define ZINJECT_NULL 0x1 123 #define ZINJECT_FLUSH_ARC 0x2 124 #define ZINJECT_UNLOAD_SPA 0x4 125 126 typedef struct zfs_share { 127 uint64_t z_exportdata; 128 uint64_t z_sharedata; 129 uint64_t z_sharetype; /* 0 = share, 1 = unshare */ 130 uint64_t z_sharemax; /* max length of share string */ 131 } zfs_share_t; 132 133 /* 134 * ZFS file systems may behave the usual, POSIX-compliant way, where 135 * name lookups are case-sensitive. They may also be set up so that 136 * all the name lookups are case-insensitive, or so that only some 137 * lookups, the ones that set an FIGNORECASE flag, are case-insensitive. 138 */ 139 typedef enum zfs_case { 140 ZFS_CASE_SENSITIVE, 141 ZFS_CASE_INSENSITIVE, 142 ZFS_CASE_MIXED 143 } zfs_case_t; 144 145 typedef struct zfs_cmd { 146 char zc_name[MAXPATHLEN]; 147 char zc_value[MAXPATHLEN * 2]; 148 char zc_string[MAXNAMELEN]; 149 uint64_t zc_guid; 150 uint64_t zc_nvlist_conf; /* really (char *) */ 151 uint64_t zc_nvlist_conf_size; 152 uint64_t zc_nvlist_src; /* really (char *) */ 153 uint64_t zc_nvlist_src_size; 154 uint64_t zc_nvlist_dst; /* really (char *) */ 155 uint64_t zc_nvlist_dst_size; 156 uint64_t zc_cookie; 157 uint64_t zc_objset_type; 158 uint64_t zc_perm_action; 159 uint64_t zc_history; /* really (char *) */ 160 uint64_t zc_history_len; 161 uint64_t zc_history_offset; 162 uint64_t zc_obj; 163 uint64_t zc_iflags; /* internal to zfs(7fs) */ 164 zfs_share_t zc_share; 165 dmu_objset_stats_t zc_objset_stats; 166 struct drr_begin zc_begin_record; 167 zinject_record_t zc_inject_record; 168 boolean_t zc_defer_destroy; 169 boolean_t zc_temphold; 170 } zfs_cmd_t; 171 172 typedef struct zfs_useracct { 173 char zu_domain[256]; 174 uid_t zu_rid; 175 uint32_t zu_pad; 176 uint64_t zu_space; 177 } zfs_useracct_t; 178 179 #define ZVOL_MAX_MINOR (1 << 16) 180 #define ZFS_MIN_MINOR (ZVOL_MAX_MINOR + 1) 181 182 #ifdef _KERNEL 183 184 typedef struct zfs_creat { 185 nvlist_t *zct_zplprops; 186 nvlist_t *zct_props; 187 } zfs_creat_t; 188 189 extern dev_info_t *zfs_dip; 190 191 extern int zfs_secpolicy_snapshot_perms(const char *name, cred_t *cr); 192 extern int zfs_secpolicy_rename_perms(const char *from, 193 const char *to, cred_t *cr); 194 extern int zfs_secpolicy_destroy_perms(const char *name, cred_t *cr); 195 extern int zfs_busy(void); 196 extern int zfs_unmount_snap(char *, void *); 197 198 #endif /* _KERNEL */ 199 200 #ifdef __cplusplus 201 } 202 #endif 203 204 #endif /* _SYS_ZFS_IOCTL_H */ 205