zfs_ioctl_compat.h revision 290756
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 2014 Xin Li <delphij@FreeBSD.org>. All rights reserved. 23 * Copyright 2013 Martin Matuska <mm@FreeBSD.org>. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27#ifndef _SYS_ZFS_IOCTL_COMPAT_H 28#define _SYS_ZFS_IOCTL_COMPAT_H 29 30#include <sys/cred.h> 31#include <sys/dmu.h> 32#include <sys/zio.h> 33#include <sys/dsl_deleg.h> 34#include <sys/zfs_ioctl.h> 35 36#ifdef _KERNEL 37#include <sys/nvpair.h> 38#endif /* _KERNEL */ 39 40#ifdef __cplusplus 41extern "C" { 42#endif 43 44/* 45 * Backwards ioctl compatibility 46 */ 47 48/* ioctl versions for vfs.zfs.version.ioctl */ 49#define ZFS_IOCVER_UNDEF -1 50#define ZFS_IOCVER_NONE 0 51#define ZFS_IOCVER_DEADMAN 1 52#define ZFS_IOCVER_LZC 2 53#define ZFS_IOCVER_ZCMD 3 54#define ZFS_IOCVER_EDBP 4 55#define ZFS_IOCVER_RESUME 5 56#define ZFS_IOCVER_CURRENT ZFS_IOCVER_RESUME 57 58/* compatibility conversion flag */ 59#define ZFS_CMD_COMPAT_NONE 0 60#define ZFS_CMD_COMPAT_V15 1 61#define ZFS_CMD_COMPAT_V28 2 62#define ZFS_CMD_COMPAT_DEADMAN 3 63#define ZFS_CMD_COMPAT_LZC 4 64#define ZFS_CMD_COMPAT_ZCMD 5 65#define ZFS_CMD_COMPAT_EDBP 6 66 67#define ZFS_IOC_COMPAT_PASS 254 68#define ZFS_IOC_COMPAT_FAIL 255 69 70#define ZFS_IOCREQ(ioreq) ((ioreq) & 0xff) 71 72typedef struct zfs_iocparm { 73 uint32_t zfs_ioctl_version; 74 uint64_t zfs_cmd; 75 uint64_t zfs_cmd_size; 76} zfs_iocparm_t; 77 78typedef struct zinject_record_v15 { 79 uint64_t zi_objset; 80 uint64_t zi_object; 81 uint64_t zi_start; 82 uint64_t zi_end; 83 uint64_t zi_guid; 84 uint32_t zi_level; 85 uint32_t zi_error; 86 uint64_t zi_type; 87 uint32_t zi_freq; 88 uint32_t zi_failfast; 89} zinject_record_v15_t; 90 91typedef struct zfs_cmd_v15 { 92 char zc_name[MAXPATHLEN]; 93 char zc_value[MAXPATHLEN]; 94 char zc_string[MAXNAMELEN]; 95 uint64_t zc_guid; 96 uint64_t zc_nvlist_conf; /* really (char *) */ 97 uint64_t zc_nvlist_conf_size; 98 uint64_t zc_nvlist_src; /* really (char *) */ 99 uint64_t zc_nvlist_src_size; 100 uint64_t zc_nvlist_dst; /* really (char *) */ 101 uint64_t zc_nvlist_dst_size; 102 uint64_t zc_cookie; 103 uint64_t zc_objset_type; 104 uint64_t zc_perm_action; 105 uint64_t zc_history; /* really (char *) */ 106 uint64_t zc_history_len; 107 uint64_t zc_history_offset; 108 uint64_t zc_obj; 109 zfs_share_t zc_share; 110 uint64_t zc_jailid; 111 dmu_objset_stats_t zc_objset_stats; 112 struct drr_begin zc_begin_record; 113 zinject_record_v15_t zc_inject_record; 114} zfs_cmd_v15_t; 115 116typedef struct zinject_record_v28 { 117 uint64_t zi_objset; 118 uint64_t zi_object; 119 uint64_t zi_start; 120 uint64_t zi_end; 121 uint64_t zi_guid; 122 uint32_t zi_level; 123 uint32_t zi_error; 124 uint64_t zi_type; 125 uint32_t zi_freq; 126 uint32_t zi_failfast; 127 char zi_func[MAXNAMELEN]; 128 uint32_t zi_iotype; 129 int32_t zi_duration; 130 uint64_t zi_timer; 131} zinject_record_v28_t; 132 133typedef struct zfs_cmd_v28 { 134 char zc_name[MAXPATHLEN]; 135 char zc_value[MAXPATHLEN * 2]; 136 char zc_string[MAXNAMELEN]; 137 char zc_top_ds[MAXPATHLEN]; 138 uint64_t zc_guid; 139 uint64_t zc_nvlist_conf; /* really (char *) */ 140 uint64_t zc_nvlist_conf_size; 141 uint64_t zc_nvlist_src; /* really (char *) */ 142 uint64_t zc_nvlist_src_size; 143 uint64_t zc_nvlist_dst; /* really (char *) */ 144 uint64_t zc_nvlist_dst_size; 145 uint64_t zc_cookie; 146 uint64_t zc_objset_type; 147 uint64_t zc_perm_action; 148 uint64_t zc_history; /* really (char *) */ 149 uint64_t zc_history_len; 150 uint64_t zc_history_offset; 151 uint64_t zc_obj; 152 uint64_t zc_iflags; /* internal to zfs(7fs) */ 153 zfs_share_t zc_share; 154 uint64_t zc_jailid; 155 dmu_objset_stats_t zc_objset_stats; 156 struct drr_begin zc_begin_record; 157 zinject_record_v28_t zc_inject_record; 158 boolean_t zc_defer_destroy; 159 boolean_t zc_temphold; 160 uint64_t zc_action_handle; 161 int zc_cleanup_fd; 162 uint8_t zc_simple; 163 uint8_t zc_pad[3]; /* alignment */ 164 uint64_t zc_sendobj; 165 uint64_t zc_fromobj; 166 uint64_t zc_createtxg; 167 zfs_stat_t zc_stat; 168} zfs_cmd_v28_t; 169 170typedef struct zfs_cmd_deadman { 171 char zc_name[MAXPATHLEN]; 172 char zc_value[MAXPATHLEN * 2]; 173 char zc_string[MAXNAMELEN]; 174 char zc_top_ds[MAXPATHLEN]; 175 uint64_t zc_guid; 176 uint64_t zc_nvlist_conf; /* really (char *) */ 177 uint64_t zc_nvlist_conf_size; 178 uint64_t zc_nvlist_src; /* really (char *) */ 179 uint64_t zc_nvlist_src_size; 180 uint64_t zc_nvlist_dst; /* really (char *) */ 181 uint64_t zc_nvlist_dst_size; 182 uint64_t zc_cookie; 183 uint64_t zc_objset_type; 184 uint64_t zc_perm_action; 185 uint64_t zc_history; /* really (char *) */ 186 uint64_t zc_history_len; 187 uint64_t zc_history_offset; 188 uint64_t zc_obj; 189 uint64_t zc_iflags; /* internal to zfs(7fs) */ 190 zfs_share_t zc_share; 191 uint64_t zc_jailid; 192 dmu_objset_stats_t zc_objset_stats; 193 struct drr_begin zc_begin_record; 194 /* zc_inject_record doesn't change in libzfs_core */ 195 zinject_record_t zc_inject_record; 196 boolean_t zc_defer_destroy; 197 boolean_t zc_temphold; 198 uint64_t zc_action_handle; 199 int zc_cleanup_fd; 200 uint8_t zc_simple; 201 uint8_t zc_pad[3]; /* alignment */ 202 uint64_t zc_sendobj; 203 uint64_t zc_fromobj; 204 uint64_t zc_createtxg; 205 zfs_stat_t zc_stat; 206} zfs_cmd_deadman_t; 207 208typedef struct zfs_cmd_zcmd { 209 char zc_name[MAXPATHLEN]; /* name of pool or dataset */ 210 uint64_t zc_nvlist_src; /* really (char *) */ 211 uint64_t zc_nvlist_src_size; 212 uint64_t zc_nvlist_dst; /* really (char *) */ 213 uint64_t zc_nvlist_dst_size; 214 boolean_t zc_nvlist_dst_filled; /* put an nvlist in dst? */ 215 int zc_pad2; 216 217 /* 218 * The following members are for legacy ioctls which haven't been 219 * converted to the new method. 220 */ 221 uint64_t zc_history; /* really (char *) */ 222 char zc_value[MAXPATHLEN * 2]; 223 char zc_string[MAXNAMELEN]; 224 uint64_t zc_guid; 225 uint64_t zc_nvlist_conf; /* really (char *) */ 226 uint64_t zc_nvlist_conf_size; 227 uint64_t zc_cookie; 228 uint64_t zc_objset_type; 229 uint64_t zc_perm_action; 230 uint64_t zc_history_len; 231 uint64_t zc_history_offset; 232 uint64_t zc_obj; 233 uint64_t zc_iflags; /* internal to zfs(7fs) */ 234 zfs_share_t zc_share; 235 uint64_t zc_jailid; 236 dmu_objset_stats_t zc_objset_stats; 237 struct drr_begin zc_begin_record; 238 zinject_record_t zc_inject_record; 239 boolean_t zc_defer_destroy; 240 boolean_t zc_temphold; 241 uint64_t zc_action_handle; 242 int zc_cleanup_fd; 243 uint8_t zc_simple; 244 uint8_t zc_pad[3]; /* alignment */ 245 uint64_t zc_sendobj; 246 uint64_t zc_fromobj; 247 uint64_t zc_createtxg; 248 zfs_stat_t zc_stat; 249} zfs_cmd_zcmd_t; 250 251typedef struct zfs_cmd_edbp { 252 char zc_name[MAXPATHLEN]; /* name of pool or dataset */ 253 uint64_t zc_nvlist_src; /* really (char *) */ 254 uint64_t zc_nvlist_src_size; 255 uint64_t zc_nvlist_dst; /* really (char *) */ 256 uint64_t zc_nvlist_dst_size; 257 boolean_t zc_nvlist_dst_filled; /* put an nvlist in dst? */ 258 int zc_pad2; 259 260 /* 261 * The following members are for legacy ioctls which haven't been 262 * converted to the new method. 263 */ 264 uint64_t zc_history; /* really (char *) */ 265 char zc_value[MAXPATHLEN * 2]; 266 char zc_string[MAXNAMELEN]; 267 uint64_t zc_guid; 268 uint64_t zc_nvlist_conf; /* really (char *) */ 269 uint64_t zc_nvlist_conf_size; 270 uint64_t zc_cookie; 271 uint64_t zc_objset_type; 272 uint64_t zc_perm_action; 273 uint64_t zc_history_len; 274 uint64_t zc_history_offset; 275 uint64_t zc_obj; 276 uint64_t zc_iflags; /* internal to zfs(7fs) */ 277 zfs_share_t zc_share; 278 uint64_t zc_jailid; 279 dmu_objset_stats_t zc_objset_stats; 280 struct drr_begin zc_begin_record; 281 zinject_record_t zc_inject_record; 282 uint32_t zc_defer_destroy; 283 uint32_t zc_flags; 284 uint64_t zc_action_handle; 285 int zc_cleanup_fd; 286 uint8_t zc_simple; 287 uint8_t zc_pad[3]; /* alignment */ 288 uint64_t zc_sendobj; 289 uint64_t zc_fromobj; 290 uint64_t zc_createtxg; 291 zfs_stat_t zc_stat; 292} zfs_cmd_edbp_t; 293 294#ifdef _KERNEL 295unsigned static long zfs_ioctl_v15_to_v28[] = { 296 0, /* 0 ZFS_IOC_POOL_CREATE */ 297 1, /* 1 ZFS_IOC_POOL_DESTROY */ 298 2, /* 2 ZFS_IOC_POOL_IMPORT */ 299 3, /* 3 ZFS_IOC_POOL_EXPORT */ 300 4, /* 4 ZFS_IOC_POOL_CONFIGS */ 301 5, /* 5 ZFS_IOC_POOL_STATS */ 302 6, /* 6 ZFS_IOC_POOL_TRYIMPORT */ 303 7, /* 7 ZFS_IOC_POOL_SCRUB */ 304 8, /* 8 ZFS_IOC_POOL_FREEZE */ 305 9, /* 9 ZFS_IOC_POOL_UPGRADE */ 306 10, /* 10 ZFS_IOC_POOL_GET_HISTORY */ 307 11, /* 11 ZFS_IOC_VDEV_ADD */ 308 12, /* 12 ZFS_IOC_VDEV_REMOVE */ 309 13, /* 13 ZFS_IOC_VDEV_SET_STATE */ 310 14, /* 14 ZFS_IOC_VDEV_ATTACH */ 311 15, /* 15 ZFS_IOC_VDEV_DETACH */ 312 16, /* 16 ZFS_IOC_VDEV_SETPATH */ 313 18, /* 17 ZFS_IOC_OBJSET_STATS */ 314 19, /* 18 ZFS_IOC_OBJSET_ZPLPROPS */ 315 20, /* 19 ZFS_IOC_DATASET_LIST_NEXT */ 316 21, /* 20 ZFS_IOC_SNAPSHOT_LIST_NEXT */ 317 22, /* 21 ZFS_IOC_SET_PROP */ 318 ZFS_IOC_COMPAT_PASS, /* 22 ZFS_IOC_CREATE_MINOR */ 319 ZFS_IOC_COMPAT_PASS, /* 23 ZFS_IOC_REMOVE_MINOR */ 320 23, /* 24 ZFS_IOC_CREATE */ 321 24, /* 25 ZFS_IOC_DESTROY */ 322 25, /* 26 ZFS_IOC_ROLLBACK */ 323 26, /* 27 ZFS_IOC_RENAME */ 324 27, /* 28 ZFS_IOC_RECV */ 325 28, /* 29 ZFS_IOC_SEND */ 326 29, /* 30 ZFS_IOC_INJECT_FAULT */ 327 30, /* 31 ZFS_IOC_CLEAR_FAULT */ 328 31, /* 32 ZFS_IOC_INJECT_LIST_NEXT */ 329 32, /* 33 ZFS_IOC_ERROR_LOG */ 330 33, /* 34 ZFS_IOC_CLEAR */ 331 34, /* 35 ZFS_IOC_PROMOTE */ 332 35, /* 36 ZFS_IOC_DESTROY_SNAPS */ 333 36, /* 37 ZFS_IOC_SNAPSHOT */ 334 37, /* 38 ZFS_IOC_DSOBJ_TO_DSNAME */ 335 38, /* 39 ZFS_IOC_OBJ_TO_PATH */ 336 39, /* 40 ZFS_IOC_POOL_SET_PROPS */ 337 40, /* 41 ZFS_IOC_POOL_GET_PROPS */ 338 41, /* 42 ZFS_IOC_SET_FSACL */ 339 42, /* 43 ZFS_IOC_GET_FSACL */ 340 ZFS_IOC_COMPAT_PASS, /* 44 ZFS_IOC_ISCSI_PERM_CHECK */ 341 43, /* 45 ZFS_IOC_SHARE */ 342 44, /* 46 ZFS_IOC_IHNERIT_PROP */ 343 58, /* 47 ZFS_IOC_JAIL */ 344 59, /* 48 ZFS_IOC_UNJAIL */ 345 45, /* 49 ZFS_IOC_SMB_ACL */ 346 46, /* 50 ZFS_IOC_USERSPACE_ONE */ 347 47, /* 51 ZFS_IOC_USERSPACE_MANY */ 348 48, /* 52 ZFS_IOC_USERSPACE_UPGRADE */ 349 17, /* 53 ZFS_IOC_SETFRU */ 350}; 351 352#else /* KERNEL */ 353unsigned static long zfs_ioctl_v28_to_v15[] = { 354 0, /* 0 ZFS_IOC_POOL_CREATE */ 355 1, /* 1 ZFS_IOC_POOL_DESTROY */ 356 2, /* 2 ZFS_IOC_POOL_IMPORT */ 357 3, /* 3 ZFS_IOC_POOL_EXPORT */ 358 4, /* 4 ZFS_IOC_POOL_CONFIGS */ 359 5, /* 5 ZFS_IOC_POOL_STATS */ 360 6, /* 6 ZFS_IOC_POOL_TRYIMPORT */ 361 7, /* 7 ZFS_IOC_POOL_SCAN */ 362 8, /* 8 ZFS_IOC_POOL_FREEZE */ 363 9, /* 9 ZFS_IOC_POOL_UPGRADE */ 364 10, /* 10 ZFS_IOC_POOL_GET_HISTORY */ 365 11, /* 11 ZFS_IOC_VDEV_ADD */ 366 12, /* 12 ZFS_IOC_VDEV_REMOVE */ 367 13, /* 13 ZFS_IOC_VDEV_SET_STATE */ 368 14, /* 14 ZFS_IOC_VDEV_ATTACH */ 369 15, /* 15 ZFS_IOC_VDEV_DETACH */ 370 16, /* 16 ZFS_IOC_VDEV_SETPATH */ 371 53, /* 17 ZFS_IOC_VDEV_SETFRU */ 372 17, /* 18 ZFS_IOC_OBJSET_STATS */ 373 18, /* 19 ZFS_IOC_OBJSET_ZPLPROPS */ 374 19, /* 20 ZFS_IOC_DATASET_LIST_NEXT */ 375 20, /* 21 ZFS_IOC_SNAPSHOT_LIST_NEXT */ 376 21, /* 22 ZFS_IOC_SET_PROP */ 377 24, /* 23 ZFS_IOC_CREATE */ 378 25, /* 24 ZFS_IOC_DESTROY */ 379 26, /* 25 ZFS_IOC_ROLLBACK */ 380 27, /* 26 ZFS_IOC_RENAME */ 381 28, /* 27 ZFS_IOC_RECV */ 382 29, /* 28 ZFS_IOC_SEND */ 383 30, /* 39 ZFS_IOC_INJECT_FAULT */ 384 31, /* 30 ZFS_IOC_CLEAR_FAULT */ 385 32, /* 31 ZFS_IOC_INJECT_LIST_NEXT */ 386 33, /* 32 ZFS_IOC_ERROR_LOG */ 387 34, /* 33 ZFS_IOC_CLEAR */ 388 35, /* 34 ZFS_IOC_PROMOTE */ 389 36, /* 35 ZFS_IOC_DESTROY_SNAPS */ 390 37, /* 36 ZFS_IOC_SNAPSHOT */ 391 38, /* 37 ZFS_IOC_DSOBJ_TO_DSNAME */ 392 39, /* 38 ZFS_IOC_OBJ_TO_PATH */ 393 40, /* 39 ZFS_IOC_POOL_SET_PROPS */ 394 41, /* 40 ZFS_IOC_POOL_GET_PROPS */ 395 42, /* 41 ZFS_IOC_SET_FSACL */ 396 43, /* 42 ZFS_IOC_GET_FSACL */ 397 45, /* 43 ZFS_IOC_SHARE */ 398 46, /* 44 ZFS_IOC_IHNERIT_PROP */ 399 49, /* 45 ZFS_IOC_SMB_ACL */ 400 50, /* 46 ZFS_IOC_USERSPACE_ONE */ 401 51, /* 47 ZFS_IOC_USERSPACE_MANY */ 402 52, /* 48 ZFS_IOC_USERSPACE_UPGRADE */ 403 ZFS_IOC_COMPAT_FAIL, /* 49 ZFS_IOC_HOLD */ 404 ZFS_IOC_COMPAT_FAIL, /* 50 ZFS_IOC_RELEASE */ 405 ZFS_IOC_COMPAT_FAIL, /* 51 ZFS_IOC_GET_HOLDS */ 406 ZFS_IOC_COMPAT_FAIL, /* 52 ZFS_IOC_OBJSET_RECVD_PROPS */ 407 ZFS_IOC_COMPAT_FAIL, /* 53 ZFS_IOC_VDEV_SPLIT */ 408 ZFS_IOC_COMPAT_FAIL, /* 54 ZFS_IOC_NEXT_OBJ */ 409 ZFS_IOC_COMPAT_FAIL, /* 55 ZFS_IOC_DIFF */ 410 ZFS_IOC_COMPAT_FAIL, /* 56 ZFS_IOC_TMP_SNAPSHOT */ 411 ZFS_IOC_COMPAT_FAIL, /* 57 ZFS_IOC_OBJ_TO_STATS */ 412 47, /* 58 ZFS_IOC_JAIL */ 413 48, /* 59 ZFS_IOC_UNJAIL */ 414}; 415#endif /* ! _KERNEL */ 416 417#ifdef _KERNEL 418int zfs_ioctl_compat_pre(zfs_cmd_t *, int *, const int); 419void zfs_ioctl_compat_post(zfs_cmd_t *, const int, const int); 420nvlist_t *zfs_ioctl_compat_innvl(zfs_cmd_t *, nvlist_t *, const int, 421 const int); 422nvlist_t *zfs_ioctl_compat_outnvl(zfs_cmd_t *, nvlist_t *, const int, 423 const int); 424#else 425int zcmd_ioctl_compat(int, int, zfs_cmd_t *, const int); 426#endif /* _KERNEL */ 427void zfs_cmd_compat_get(zfs_cmd_t *, caddr_t, const int); 428void zfs_cmd_compat_put(zfs_cmd_t *, caddr_t, const int, const int); 429 430#ifdef __cplusplus 431} 432#endif 433 434#endif /* _SYS_ZFS_IOCTL_COMPAT_H */ 435