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 2007 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 #pragma ident "%Z%%M% %I% %E% SMI" 30 31 #include <sys/cred.h> 32 #include <sys/dmu.h> 33 #include <sys/zio.h> 34 35 #ifdef __cplusplus 36 extern "C" { 37 #endif 38 39 /* 40 * Property values for snapdir 41 */ 42 #define ZFS_SNAPDIR_HIDDEN 0 43 #define ZFS_SNAPDIR_VISIBLE 1 44 45 #define DMU_BACKUP_VERSION (1ULL) 46 #define DMU_BACKUP_MAGIC 0x2F5bacbacULL 47 48 /* 49 * zfs ioctl command structure 50 */ 51 typedef struct dmu_replay_record { 52 enum { 53 DRR_BEGIN, DRR_OBJECT, DRR_FREEOBJECTS, 54 DRR_WRITE, DRR_FREE, DRR_END, 55 } drr_type; 56 uint32_t drr_pad; 57 union { 58 struct drr_begin { 59 uint64_t drr_magic; 60 uint64_t drr_version; 61 uint64_t drr_creation_time; 62 dmu_objset_type_t drr_type; 63 uint32_t drr_pad; 64 uint64_t drr_toguid; 65 uint64_t drr_fromguid; 66 char drr_toname[MAXNAMELEN]; 67 } drr_begin; 68 struct drr_end { 69 zio_cksum_t drr_checksum; 70 } drr_end; 71 struct drr_object { 72 uint64_t drr_object; 73 dmu_object_type_t drr_type; 74 dmu_object_type_t drr_bonustype; 75 uint32_t drr_blksz; 76 uint32_t drr_bonuslen; 77 uint8_t drr_checksum; 78 uint8_t drr_compress; 79 uint8_t drr_pad[6]; 80 /* bonus content follows */ 81 } drr_object; 82 struct drr_freeobjects { 83 uint64_t drr_firstobj; 84 uint64_t drr_numobjs; 85 } drr_freeobjects; 86 struct drr_write { 87 uint64_t drr_object; 88 dmu_object_type_t drr_type; 89 uint32_t drr_pad; 90 uint64_t drr_offset; 91 uint64_t drr_length; 92 /* content follows */ 93 } drr_write; 94 struct drr_free { 95 uint64_t drr_object; 96 uint64_t drr_offset; 97 uint64_t drr_length; 98 } drr_free; 99 } drr_u; 100 } dmu_replay_record_t; 101 102 typedef struct zinject_record { 103 uint64_t zi_objset; 104 uint64_t zi_object; 105 uint64_t zi_start; 106 uint64_t zi_end; 107 uint64_t zi_guid; 108 uint32_t zi_level; 109 uint32_t zi_error; 110 uint64_t zi_type; 111 uint32_t zi_freq; 112 } zinject_record_t; 113 114 #define ZINJECT_NULL 0x1 115 #define ZINJECT_FLUSH_ARC 0x2 116 #define ZINJECT_UNLOAD_SPA 0x4 117 118 typedef struct zfs_cmd { 119 char zc_name[MAXPATHLEN]; 120 char zc_value[MAXPATHLEN * 2]; 121 uint64_t zc_guid; 122 uint64_t zc_nvlist_src; /* really (char *) */ 123 uint64_t zc_nvlist_src_size; 124 uint64_t zc_nvlist_dst; /* really (char *) */ 125 uint64_t zc_nvlist_dst_size; 126 uint64_t zc_cookie; 127 uint64_t zc_cred; 128 uint64_t zc_dev; 129 uint64_t zc_objset_type; 130 uint64_t zc_history; /* really (char *) */ 131 uint64_t zc_history_len; 132 uint64_t zc_history_offset; 133 uint64_t zc_obj; 134 dmu_objset_stats_t zc_objset_stats; 135 struct drr_begin zc_begin_record; 136 zinject_record_t zc_inject_record; 137 } zfs_cmd_t; 138 139 typedef struct zfs_create_data { 140 cred_t *zc_cred; 141 dev_t zc_dev; 142 nvlist_t *zc_props; 143 } zfs_create_data_t; 144 145 #define ZVOL_MAX_MINOR (1 << 16) 146 #define ZFS_MIN_MINOR (ZVOL_MAX_MINOR + 1) 147 148 #ifdef _KERNEL 149 150 extern dev_info_t *zfs_dip; 151 152 extern int zfs_secpolicy_write(const char *dataset, cred_t *cr); 153 extern int zfs_busy(void); 154 155 #endif /* _KERNEL */ 156 157 #ifdef __cplusplus 158 } 159 #endif 160 161 #endif /* _SYS_ZFS_IOCTL_H */ 162