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 2006 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 #include <sys/zvol.h> 35 36 #ifdef __cplusplus 37 extern "C" { 38 #endif 39 40 /* 41 * Property values for snapdir 42 */ 43 #define ZFS_SNAPDIR_HIDDEN 0 44 #define ZFS_SNAPDIR_VISIBLE 1 45 46 #define DMU_BACKUP_VERSION (1ULL) 47 #define DMU_BACKUP_MAGIC 0x2F5bacbacULL 48 49 /* 50 * zfs ioctl command structure 51 */ 52 typedef struct dmu_replay_record { 53 enum { 54 DRR_BEGIN, DRR_OBJECT, DRR_FREEOBJECTS, 55 DRR_WRITE, DRR_FREE, DRR_END, 56 } drr_type; 57 uint32_t drr_pad; 58 union { 59 struct drr_begin { 60 uint64_t drr_magic; 61 uint64_t drr_version; 62 uint64_t drr_creation_time; 63 dmu_objset_type_t drr_type; 64 uint32_t drr_pad; 65 uint64_t drr_toguid; 66 uint64_t drr_fromguid; 67 char drr_toname[MAXNAMELEN]; 68 } drr_begin; 69 struct drr_end { 70 zio_cksum_t drr_checksum; 71 } drr_end; 72 struct drr_object { 73 uint64_t drr_object; 74 dmu_object_type_t drr_type; 75 dmu_object_type_t drr_bonustype; 76 uint32_t drr_blksz; 77 uint32_t drr_bonuslen; 78 uint8_t drr_checksum; 79 uint8_t drr_compress; 80 uint8_t drr_pad[6]; 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 } drr_write; 93 struct drr_free { 94 uint64_t drr_object; 95 uint64_t drr_offset; 96 uint64_t drr_length; 97 } drr_free; 98 } drr_u; 99 } dmu_replay_record_t; 100 101 typedef struct zinject_record { 102 uint64_t zi_objset; 103 uint64_t zi_object; 104 uint64_t zi_start; 105 uint64_t zi_end; 106 uint64_t zi_guid; 107 uint32_t zi_level; 108 uint32_t zi_error; 109 uint64_t zi_type; 110 uint32_t zi_freq; 111 } zinject_record_t; 112 113 #define ZINJECT_NULL 0x1 114 #define ZINJECT_FLUSH_ARC 0x2 115 #define ZINJECT_UNLOAD_SPA 0x4 116 117 typedef struct zfs_cmd { 118 char zc_name[MAXPATHLEN]; 119 char zc_value[MAXPATHLEN]; 120 uint64_t zc_guid; 121 uint64_t zc_nvlist_src; /* really (char *) */ 122 uint64_t zc_nvlist_src_size; 123 uint64_t zc_nvlist_dst; /* really (char *) */ 124 uint64_t zc_nvlist_dst_size; 125 uint64_t zc_cookie; 126 uint64_t zc_cred; 127 uint64_t zc_dev; 128 uint64_t zc_objset_type; 129 dmu_objset_stats_t zc_objset_stats; 130 zvol_stats_t zc_vol_stats; 131 struct drr_begin zc_begin_record; 132 zinject_record_t zc_inject_record; 133 zbookmark_t zc_bookmark; 134 } zfs_cmd_t; 135 136 typedef struct zfs_create_data { 137 cred_t *zc_cred; 138 dev_t zc_dev; 139 nvlist_t *zc_props; 140 } zfs_create_data_t; 141 142 #define ZVOL_MAX_MINOR (1 << 16) 143 #define ZFS_MIN_MINOR (ZVOL_MAX_MINOR + 1) 144 145 #ifdef _KERNEL 146 147 extern dev_info_t *zfs_dip; 148 149 extern int zfs_secpolicy_write(const char *dataset, cred_t *cr); 150 extern int zfs_busy(void); 151 152 #endif /* _KERNEL */ 153 154 #ifdef __cplusplus 155 } 156 #endif 157 158 #endif /* _SYS_ZFS_IOCTL_H */ 159