Christopher Ferris | 2598113 | 2017-11-14 16:53:49 -0800 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 2 | /* |
| 3 | * Copyright (C) 2007 Oracle. All rights reserved. |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of the GNU General Public |
| 7 | * License v2 as published by the Free Software Foundation. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | * General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public |
| 15 | * License along with this program; if not, write to the |
| 16 | * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| 17 | * Boston, MA 021110-1307, USA. |
| 18 | */ |
| 19 | |
| 20 | #ifndef _UAPI_LINUX_BTRFS_H |
| 21 | #define _UAPI_LINUX_BTRFS_H |
| 22 | #include <linux/types.h> |
| 23 | #include <linux/ioctl.h> |
| 24 | |
| 25 | #define BTRFS_IOCTL_MAGIC 0x94 |
| 26 | #define BTRFS_VOL_NAME_MAX 255 |
Christopher Ferris | ccfaccd | 2016-08-24 12:11:31 -0700 | [diff] [blame] | 27 | #define BTRFS_LABEL_SIZE 256 |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 28 | |
| 29 | /* this should be 4k */ |
| 30 | #define BTRFS_PATH_NAME_MAX 4087 |
| 31 | struct btrfs_ioctl_vol_args { |
| 32 | __s64 fd; |
| 33 | char name[BTRFS_PATH_NAME_MAX + 1]; |
| 34 | }; |
| 35 | |
| 36 | #define BTRFS_DEVICE_PATH_NAME_MAX 1024 |
| 37 | |
Christopher Ferris | ccfaccd | 2016-08-24 12:11:31 -0700 | [diff] [blame] | 38 | #define BTRFS_DEVICE_SPEC_BY_ID (1ULL << 3) |
| 39 | |
| 40 | #define BTRFS_VOL_ARG_V2_FLAGS_SUPPORTED \ |
| 41 | (BTRFS_SUBVOL_CREATE_ASYNC | \ |
| 42 | BTRFS_SUBVOL_RDONLY | \ |
| 43 | BTRFS_SUBVOL_QGROUP_INHERIT | \ |
| 44 | BTRFS_DEVICE_SPEC_BY_ID) |
| 45 | |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 46 | #define BTRFS_FSID_SIZE 16 |
| 47 | #define BTRFS_UUID_SIZE 16 |
Christopher Ferris | 3147524 | 2014-09-02 17:43:51 -0700 | [diff] [blame] | 48 | #define BTRFS_UUID_UNPARSED_SIZE 37 |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 49 | |
Christopher Ferris | ccfaccd | 2016-08-24 12:11:31 -0700 | [diff] [blame] | 50 | /* |
| 51 | * flags definition for qgroup limits |
| 52 | * |
| 53 | * Used by: |
| 54 | * struct btrfs_qgroup_limit.flags |
| 55 | * struct btrfs_qgroup_limit_item.flags |
| 56 | */ |
| 57 | #define BTRFS_QGROUP_LIMIT_MAX_RFER (1ULL << 0) |
| 58 | #define BTRFS_QGROUP_LIMIT_MAX_EXCL (1ULL << 1) |
| 59 | #define BTRFS_QGROUP_LIMIT_RSV_RFER (1ULL << 2) |
| 60 | #define BTRFS_QGROUP_LIMIT_RSV_EXCL (1ULL << 3) |
| 61 | #define BTRFS_QGROUP_LIMIT_RFER_CMPR (1ULL << 4) |
| 62 | #define BTRFS_QGROUP_LIMIT_EXCL_CMPR (1ULL << 5) |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 63 | |
| 64 | struct btrfs_qgroup_limit { |
| 65 | __u64 flags; |
| 66 | __u64 max_rfer; |
| 67 | __u64 max_excl; |
| 68 | __u64 rsv_rfer; |
| 69 | __u64 rsv_excl; |
| 70 | }; |
| 71 | |
Christopher Ferris | ccfaccd | 2016-08-24 12:11:31 -0700 | [diff] [blame] | 72 | /* |
| 73 | * flags definition for qgroup inheritance |
| 74 | * |
| 75 | * Used by: |
| 76 | * struct btrfs_qgroup_inherit.flags |
| 77 | */ |
| 78 | #define BTRFS_QGROUP_INHERIT_SET_LIMITS (1ULL << 0) |
| 79 | |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 80 | struct btrfs_qgroup_inherit { |
| 81 | __u64 flags; |
| 82 | __u64 num_qgroups; |
| 83 | __u64 num_ref_copies; |
| 84 | __u64 num_excl_copies; |
| 85 | struct btrfs_qgroup_limit lim; |
| 86 | __u64 qgroups[0]; |
| 87 | }; |
| 88 | |
| 89 | struct btrfs_ioctl_qgroup_limit_args { |
| 90 | __u64 qgroupid; |
| 91 | struct btrfs_qgroup_limit lim; |
| 92 | }; |
| 93 | |
Christopher Ferris | ccfaccd | 2016-08-24 12:11:31 -0700 | [diff] [blame] | 94 | /* |
| 95 | * flags for subvolumes |
| 96 | * |
| 97 | * Used by: |
| 98 | * struct btrfs_ioctl_vol_args_v2.flags |
| 99 | * |
| 100 | * BTRFS_SUBVOL_RDONLY is also provided/consumed by the following ioctls: |
| 101 | * - BTRFS_IOC_SUBVOL_GETFLAGS |
| 102 | * - BTRFS_IOC_SUBVOL_SETFLAGS |
| 103 | */ |
| 104 | #define BTRFS_SUBVOL_CREATE_ASYNC (1ULL << 0) |
| 105 | #define BTRFS_SUBVOL_RDONLY (1ULL << 1) |
| 106 | #define BTRFS_SUBVOL_QGROUP_INHERIT (1ULL << 2) |
| 107 | |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 108 | #define BTRFS_SUBVOL_NAME_MAX 4039 |
| 109 | struct btrfs_ioctl_vol_args_v2 { |
| 110 | __s64 fd; |
| 111 | __u64 transid; |
| 112 | __u64 flags; |
| 113 | union { |
| 114 | struct { |
| 115 | __u64 size; |
| 116 | struct btrfs_qgroup_inherit __user *qgroup_inherit; |
| 117 | }; |
| 118 | __u64 unused[4]; |
| 119 | }; |
Christopher Ferris | ccfaccd | 2016-08-24 12:11:31 -0700 | [diff] [blame] | 120 | union { |
| 121 | char name[BTRFS_SUBVOL_NAME_MAX + 1]; |
| 122 | __u64 devid; |
| 123 | }; |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 124 | }; |
| 125 | |
| 126 | /* |
| 127 | * structure to report errors and progress to userspace, either as a |
| 128 | * result of a finished scrub, a canceled scrub or a progress inquiry |
| 129 | */ |
| 130 | struct btrfs_scrub_progress { |
| 131 | __u64 data_extents_scrubbed; /* # of data extents scrubbed */ |
| 132 | __u64 tree_extents_scrubbed; /* # of tree extents scrubbed */ |
| 133 | __u64 data_bytes_scrubbed; /* # of data bytes scrubbed */ |
| 134 | __u64 tree_bytes_scrubbed; /* # of tree bytes scrubbed */ |
| 135 | __u64 read_errors; /* # of read errors encountered (EIO) */ |
| 136 | __u64 csum_errors; /* # of failed csum checks */ |
| 137 | __u64 verify_errors; /* # of occurences, where the metadata |
| 138 | * of a tree block did not match the |
| 139 | * expected values, like generation or |
| 140 | * logical */ |
| 141 | __u64 no_csum; /* # of 4k data block for which no csum |
| 142 | * is present, probably the result of |
| 143 | * data written with nodatasum */ |
| 144 | __u64 csum_discards; /* # of csum for which no data was found |
| 145 | * in the extent tree. */ |
| 146 | __u64 super_errors; /* # of bad super blocks encountered */ |
| 147 | __u64 malloc_errors; /* # of internal kmalloc errors. These |
| 148 | * will likely cause an incomplete |
| 149 | * scrub */ |
| 150 | __u64 uncorrectable_errors; /* # of errors where either no intact |
| 151 | * copy was found or the writeback |
| 152 | * failed */ |
| 153 | __u64 corrected_errors; /* # of errors corrected */ |
| 154 | __u64 last_physical; /* last physical address scrubbed. In |
| 155 | * case a scrub was aborted, this can |
| 156 | * be used to restart the scrub */ |
| 157 | __u64 unverified_errors; /* # of occurences where a read for a |
| 158 | * full (64k) bio failed, but the re- |
| 159 | * check succeeded for each 4k piece. |
| 160 | * Intermittent error. */ |
| 161 | }; |
| 162 | |
| 163 | #define BTRFS_SCRUB_READONLY 1 |
| 164 | struct btrfs_ioctl_scrub_args { |
| 165 | __u64 devid; /* in */ |
| 166 | __u64 start; /* in */ |
| 167 | __u64 end; /* in */ |
| 168 | __u64 flags; /* in */ |
| 169 | struct btrfs_scrub_progress progress; /* out */ |
| 170 | /* pad to 1k */ |
| 171 | __u64 unused[(1024-32-sizeof(struct btrfs_scrub_progress))/8]; |
| 172 | }; |
| 173 | |
| 174 | #define BTRFS_IOCTL_DEV_REPLACE_CONT_READING_FROM_SRCDEV_MODE_ALWAYS 0 |
| 175 | #define BTRFS_IOCTL_DEV_REPLACE_CONT_READING_FROM_SRCDEV_MODE_AVOID 1 |
| 176 | struct btrfs_ioctl_dev_replace_start_params { |
| 177 | __u64 srcdevid; /* in, if 0, use srcdev_name instead */ |
| 178 | __u64 cont_reading_from_srcdev_mode; /* in, see #define |
| 179 | * above */ |
| 180 | __u8 srcdev_name[BTRFS_DEVICE_PATH_NAME_MAX + 1]; /* in */ |
| 181 | __u8 tgtdev_name[BTRFS_DEVICE_PATH_NAME_MAX + 1]; /* in */ |
| 182 | }; |
| 183 | |
| 184 | #define BTRFS_IOCTL_DEV_REPLACE_STATE_NEVER_STARTED 0 |
| 185 | #define BTRFS_IOCTL_DEV_REPLACE_STATE_STARTED 1 |
| 186 | #define BTRFS_IOCTL_DEV_REPLACE_STATE_FINISHED 2 |
| 187 | #define BTRFS_IOCTL_DEV_REPLACE_STATE_CANCELED 3 |
| 188 | #define BTRFS_IOCTL_DEV_REPLACE_STATE_SUSPENDED 4 |
| 189 | struct btrfs_ioctl_dev_replace_status_params { |
| 190 | __u64 replace_state; /* out, see #define above */ |
| 191 | __u64 progress_1000; /* out, 0 <= x <= 1000 */ |
| 192 | __u64 time_started; /* out, seconds since 1-Jan-1970 */ |
| 193 | __u64 time_stopped; /* out, seconds since 1-Jan-1970 */ |
| 194 | __u64 num_write_errors; /* out */ |
| 195 | __u64 num_uncorrectable_read_errors; /* out */ |
| 196 | }; |
| 197 | |
| 198 | #define BTRFS_IOCTL_DEV_REPLACE_CMD_START 0 |
| 199 | #define BTRFS_IOCTL_DEV_REPLACE_CMD_STATUS 1 |
| 200 | #define BTRFS_IOCTL_DEV_REPLACE_CMD_CANCEL 2 |
| 201 | #define BTRFS_IOCTL_DEV_REPLACE_RESULT_NO_ERROR 0 |
| 202 | #define BTRFS_IOCTL_DEV_REPLACE_RESULT_NOT_STARTED 1 |
| 203 | #define BTRFS_IOCTL_DEV_REPLACE_RESULT_ALREADY_STARTED 2 |
Christopher Ferris | 12e1f28 | 2016-02-04 12:35:07 -0800 | [diff] [blame] | 204 | #define BTRFS_IOCTL_DEV_REPLACE_RESULT_SCRUB_INPROGRESS 3 |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 205 | struct btrfs_ioctl_dev_replace_args { |
| 206 | __u64 cmd; /* in */ |
| 207 | __u64 result; /* out */ |
| 208 | |
| 209 | union { |
| 210 | struct btrfs_ioctl_dev_replace_start_params start; |
| 211 | struct btrfs_ioctl_dev_replace_status_params status; |
| 212 | }; /* in/out */ |
| 213 | |
| 214 | __u64 spare[64]; |
| 215 | }; |
| 216 | |
| 217 | struct btrfs_ioctl_dev_info_args { |
| 218 | __u64 devid; /* in/out */ |
| 219 | __u8 uuid[BTRFS_UUID_SIZE]; /* in/out */ |
| 220 | __u64 bytes_used; /* out */ |
| 221 | __u64 total_bytes; /* out */ |
| 222 | __u64 unused[379]; /* pad to 4k */ |
| 223 | __u8 path[BTRFS_DEVICE_PATH_NAME_MAX]; /* out */ |
| 224 | }; |
| 225 | |
| 226 | struct btrfs_ioctl_fs_info_args { |
| 227 | __u64 max_id; /* out */ |
| 228 | __u64 num_devices; /* out */ |
| 229 | __u8 fsid[BTRFS_FSID_SIZE]; /* out */ |
Christopher Ferris | 3147524 | 2014-09-02 17:43:51 -0700 | [diff] [blame] | 230 | __u32 nodesize; /* out */ |
| 231 | __u32 sectorsize; /* out */ |
| 232 | __u32 clone_alignment; /* out */ |
| 233 | __u32 reserved32; |
| 234 | __u64 reserved[122]; /* pad to 1k */ |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 235 | }; |
| 236 | |
Christopher Ferris | ccfaccd | 2016-08-24 12:11:31 -0700 | [diff] [blame] | 237 | /* |
| 238 | * feature flags |
| 239 | * |
| 240 | * Used by: |
| 241 | * struct btrfs_ioctl_feature_flags |
| 242 | */ |
Christopher Ferris | 6e3550f | 2016-12-12 14:51:18 -0800 | [diff] [blame] | 243 | #define BTRFS_FEATURE_COMPAT_RO_FREE_SPACE_TREE (1ULL << 0) |
| 244 | /* |
| 245 | * Older kernels (< 4.9) on big-endian systems produced broken free space tree |
| 246 | * bitmaps, and btrfs-progs also used to corrupt the free space tree (versions |
| 247 | * < 4.7.3). If this bit is clear, then the free space tree cannot be trusted. |
| 248 | * btrfs-progs can also intentionally clear this bit to ask the kernel to |
| 249 | * rebuild the free space tree, however this might not work on older kernels |
| 250 | * that do not know about this bit. If not sure, clear the cache manually on |
| 251 | * first mount when booting older kernel versions. |
| 252 | */ |
| 253 | #define BTRFS_FEATURE_COMPAT_RO_FREE_SPACE_TREE_VALID (1ULL << 1) |
Christopher Ferris | ccfaccd | 2016-08-24 12:11:31 -0700 | [diff] [blame] | 254 | |
| 255 | #define BTRFS_FEATURE_INCOMPAT_MIXED_BACKREF (1ULL << 0) |
| 256 | #define BTRFS_FEATURE_INCOMPAT_DEFAULT_SUBVOL (1ULL << 1) |
| 257 | #define BTRFS_FEATURE_INCOMPAT_MIXED_GROUPS (1ULL << 2) |
| 258 | #define BTRFS_FEATURE_INCOMPAT_COMPRESS_LZO (1ULL << 3) |
Christopher Ferris | 2598113 | 2017-11-14 16:53:49 -0800 | [diff] [blame] | 259 | #define BTRFS_FEATURE_INCOMPAT_COMPRESS_ZSTD (1ULL << 4) |
Christopher Ferris | ccfaccd | 2016-08-24 12:11:31 -0700 | [diff] [blame] | 260 | |
| 261 | /* |
| 262 | * older kernels tried to do bigger metadata blocks, but the |
| 263 | * code was pretty buggy. Lets not let them try anymore. |
| 264 | */ |
| 265 | #define BTRFS_FEATURE_INCOMPAT_BIG_METADATA (1ULL << 5) |
| 266 | |
| 267 | #define BTRFS_FEATURE_INCOMPAT_EXTENDED_IREF (1ULL << 6) |
| 268 | #define BTRFS_FEATURE_INCOMPAT_RAID56 (1ULL << 7) |
| 269 | #define BTRFS_FEATURE_INCOMPAT_SKINNY_METADATA (1ULL << 8) |
| 270 | #define BTRFS_FEATURE_INCOMPAT_NO_HOLES (1ULL << 9) |
| 271 | |
Christopher Ferris | e084501 | 2014-07-09 14:58:51 -0700 | [diff] [blame] | 272 | struct btrfs_ioctl_feature_flags { |
| 273 | __u64 compat_flags; |
| 274 | __u64 compat_ro_flags; |
| 275 | __u64 incompat_flags; |
| 276 | }; |
| 277 | |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 278 | /* balance control ioctl modes */ |
| 279 | #define BTRFS_BALANCE_CTL_PAUSE 1 |
| 280 | #define BTRFS_BALANCE_CTL_CANCEL 2 |
| 281 | |
| 282 | /* |
| 283 | * this is packed, because it should be exactly the same as its disk |
| 284 | * byte order counterpart (struct btrfs_disk_balance_args) |
| 285 | */ |
| 286 | struct btrfs_balance_args { |
| 287 | __u64 profiles; |
Christopher Ferris | 12e1f28 | 2016-02-04 12:35:07 -0800 | [diff] [blame] | 288 | union { |
Christopher Ferris | 0543f74 | 2017-07-26 13:09:46 -0700 | [diff] [blame] | 289 | __u64 usage; |
Christopher Ferris | 12e1f28 | 2016-02-04 12:35:07 -0800 | [diff] [blame] | 290 | struct { |
Christopher Ferris | 0543f74 | 2017-07-26 13:09:46 -0700 | [diff] [blame] | 291 | __u32 usage_min; |
| 292 | __u32 usage_max; |
Christopher Ferris | 12e1f28 | 2016-02-04 12:35:07 -0800 | [diff] [blame] | 293 | }; |
| 294 | }; |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 295 | __u64 devid; |
| 296 | __u64 pstart; |
| 297 | __u64 pend; |
| 298 | __u64 vstart; |
| 299 | __u64 vend; |
| 300 | |
| 301 | __u64 target; |
| 302 | |
| 303 | __u64 flags; |
| 304 | |
Christopher Ferris | 12e1f28 | 2016-02-04 12:35:07 -0800 | [diff] [blame] | 305 | /* |
| 306 | * BTRFS_BALANCE_ARGS_LIMIT with value 'limit' |
| 307 | * BTRFS_BALANCE_ARGS_LIMIT_RANGE - the extend version can use minimum |
| 308 | * and maximum |
| 309 | */ |
| 310 | union { |
| 311 | __u64 limit; /* limit number of processed chunks */ |
| 312 | struct { |
| 313 | __u32 limit_min; |
| 314 | __u32 limit_max; |
| 315 | }; |
| 316 | }; |
| 317 | |
| 318 | /* |
| 319 | * Process chunks that cross stripes_min..stripes_max devices, |
| 320 | * BTRFS_BALANCE_ARGS_STRIPES_RANGE |
| 321 | */ |
Christopher Ferris | 0543f74 | 2017-07-26 13:09:46 -0700 | [diff] [blame] | 322 | __u32 stripes_min; |
| 323 | __u32 stripes_max; |
Christopher Ferris | 12e1f28 | 2016-02-04 12:35:07 -0800 | [diff] [blame] | 324 | |
| 325 | __u64 unused[6]; |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 326 | } __attribute__ ((__packed__)); |
| 327 | |
| 328 | /* report balance progress to userspace */ |
| 329 | struct btrfs_balance_progress { |
| 330 | __u64 expected; /* estimated # of chunks that will be |
| 331 | * relocated to fulfill the request */ |
| 332 | __u64 considered; /* # of chunks we have considered so far */ |
| 333 | __u64 completed; /* # of chunks relocated so far */ |
| 334 | }; |
| 335 | |
Christopher Ferris | ccfaccd | 2016-08-24 12:11:31 -0700 | [diff] [blame] | 336 | /* |
| 337 | * flags definition for balance |
| 338 | * |
| 339 | * Restriper's general type filter |
| 340 | * |
| 341 | * Used by: |
| 342 | * btrfs_ioctl_balance_args.flags |
| 343 | * btrfs_balance_control.flags (internal) |
| 344 | */ |
| 345 | #define BTRFS_BALANCE_DATA (1ULL << 0) |
| 346 | #define BTRFS_BALANCE_SYSTEM (1ULL << 1) |
| 347 | #define BTRFS_BALANCE_METADATA (1ULL << 2) |
| 348 | |
| 349 | #define BTRFS_BALANCE_TYPE_MASK (BTRFS_BALANCE_DATA | \ |
| 350 | BTRFS_BALANCE_SYSTEM | \ |
| 351 | BTRFS_BALANCE_METADATA) |
| 352 | |
| 353 | #define BTRFS_BALANCE_FORCE (1ULL << 3) |
| 354 | #define BTRFS_BALANCE_RESUME (1ULL << 4) |
| 355 | |
| 356 | /* |
| 357 | * flags definitions for per-type balance args |
| 358 | * |
| 359 | * Balance filters |
| 360 | * |
| 361 | * Used by: |
| 362 | * struct btrfs_balance_args |
| 363 | */ |
| 364 | #define BTRFS_BALANCE_ARGS_PROFILES (1ULL << 0) |
| 365 | #define BTRFS_BALANCE_ARGS_USAGE (1ULL << 1) |
| 366 | #define BTRFS_BALANCE_ARGS_DEVID (1ULL << 2) |
| 367 | #define BTRFS_BALANCE_ARGS_DRANGE (1ULL << 3) |
| 368 | #define BTRFS_BALANCE_ARGS_VRANGE (1ULL << 4) |
| 369 | #define BTRFS_BALANCE_ARGS_LIMIT (1ULL << 5) |
| 370 | #define BTRFS_BALANCE_ARGS_LIMIT_RANGE (1ULL << 6) |
| 371 | #define BTRFS_BALANCE_ARGS_STRIPES_RANGE (1ULL << 7) |
| 372 | #define BTRFS_BALANCE_ARGS_USAGE_RANGE (1ULL << 10) |
| 373 | |
| 374 | #define BTRFS_BALANCE_ARGS_MASK \ |
| 375 | (BTRFS_BALANCE_ARGS_PROFILES | \ |
| 376 | BTRFS_BALANCE_ARGS_USAGE | \ |
| 377 | BTRFS_BALANCE_ARGS_DEVID | \ |
| 378 | BTRFS_BALANCE_ARGS_DRANGE | \ |
| 379 | BTRFS_BALANCE_ARGS_VRANGE | \ |
| 380 | BTRFS_BALANCE_ARGS_LIMIT | \ |
| 381 | BTRFS_BALANCE_ARGS_LIMIT_RANGE | \ |
| 382 | BTRFS_BALANCE_ARGS_STRIPES_RANGE | \ |
| 383 | BTRFS_BALANCE_ARGS_USAGE_RANGE) |
| 384 | |
| 385 | /* |
| 386 | * Profile changing flags. When SOFT is set we won't relocate chunk if |
| 387 | * it already has the target profile (even though it may be |
| 388 | * half-filled). |
| 389 | */ |
| 390 | #define BTRFS_BALANCE_ARGS_CONVERT (1ULL << 8) |
| 391 | #define BTRFS_BALANCE_ARGS_SOFT (1ULL << 9) |
| 392 | |
| 393 | |
| 394 | /* |
| 395 | * flags definition for balance state |
| 396 | * |
| 397 | * Used by: |
| 398 | * struct btrfs_ioctl_balance_args.state |
| 399 | */ |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 400 | #define BTRFS_BALANCE_STATE_RUNNING (1ULL << 0) |
| 401 | #define BTRFS_BALANCE_STATE_PAUSE_REQ (1ULL << 1) |
| 402 | #define BTRFS_BALANCE_STATE_CANCEL_REQ (1ULL << 2) |
| 403 | |
| 404 | struct btrfs_ioctl_balance_args { |
| 405 | __u64 flags; /* in/out */ |
| 406 | __u64 state; /* out */ |
| 407 | |
| 408 | struct btrfs_balance_args data; /* in/out */ |
| 409 | struct btrfs_balance_args meta; /* in/out */ |
| 410 | struct btrfs_balance_args sys; /* in/out */ |
| 411 | |
| 412 | struct btrfs_balance_progress stat; /* out */ |
| 413 | |
| 414 | __u64 unused[72]; /* pad to 1k */ |
| 415 | }; |
| 416 | |
| 417 | #define BTRFS_INO_LOOKUP_PATH_MAX 4080 |
| 418 | struct btrfs_ioctl_ino_lookup_args { |
| 419 | __u64 treeid; |
| 420 | __u64 objectid; |
| 421 | char name[BTRFS_INO_LOOKUP_PATH_MAX]; |
| 422 | }; |
| 423 | |
Christopher Ferris | 2598113 | 2017-11-14 16:53:49 -0800 | [diff] [blame] | 424 | /* Search criteria for the btrfs SEARCH ioctl family. */ |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 425 | struct btrfs_ioctl_search_key { |
Christopher Ferris | 2598113 | 2017-11-14 16:53:49 -0800 | [diff] [blame] | 426 | /* |
| 427 | * The tree we're searching in. 1 is the tree of tree roots, 2 is the |
| 428 | * extent tree, etc... |
| 429 | * |
| 430 | * A special tree_id value of 0 will cause a search in the subvolume |
| 431 | * tree that the inode which is passed to the ioctl is part of. |
| 432 | */ |
| 433 | __u64 tree_id; /* in */ |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 434 | |
| 435 | /* |
Christopher Ferris | 2598113 | 2017-11-14 16:53:49 -0800 | [diff] [blame] | 436 | * When doing a tree search, we're actually taking a slice from a |
| 437 | * linear search space of 136-bit keys. |
| 438 | * |
| 439 | * A full 136-bit tree key is composed as: |
| 440 | * (objectid << 72) + (type << 64) + offset |
| 441 | * |
| 442 | * The individual min and max values for objectid, type and offset |
| 443 | * define the min_key and max_key values for the search range. All |
| 444 | * metadata items with a key in the interval [min_key, max_key] will be |
| 445 | * returned. |
| 446 | * |
| 447 | * Additionally, we can filter the items returned on transaction id of |
| 448 | * the metadata block they're stored in by specifying a transid range. |
| 449 | * Be aware that this transaction id only denotes when the metadata |
| 450 | * page that currently contains the item got written the last time as |
| 451 | * result of a COW operation. The number does not have any meaning |
| 452 | * related to the transaction in which an individual item that is being |
| 453 | * returned was created or changed. |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 454 | */ |
Christopher Ferris | 2598113 | 2017-11-14 16:53:49 -0800 | [diff] [blame] | 455 | __u64 min_objectid; /* in */ |
| 456 | __u64 max_objectid; /* in */ |
| 457 | __u64 min_offset; /* in */ |
| 458 | __u64 max_offset; /* in */ |
| 459 | __u64 min_transid; /* in */ |
| 460 | __u64 max_transid; /* in */ |
| 461 | __u32 min_type; /* in */ |
| 462 | __u32 max_type; /* in */ |
| 463 | |
| 464 | /* |
| 465 | * input: The maximum amount of results desired. |
| 466 | * output: The actual amount of items returned, restricted by any of: |
| 467 | * - reaching the upper bound of the search range |
| 468 | * - reaching the input nr_items amount of items |
| 469 | * - completely filling the supplied memory buffer |
| 470 | */ |
| 471 | __u32 nr_items; /* in/out */ |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 472 | |
| 473 | /* align to 64 bits */ |
| 474 | __u32 unused; |
| 475 | |
| 476 | /* some extra for later */ |
| 477 | __u64 unused1; |
| 478 | __u64 unused2; |
| 479 | __u64 unused3; |
| 480 | __u64 unused4; |
| 481 | }; |
| 482 | |
| 483 | struct btrfs_ioctl_search_header { |
| 484 | __u64 transid; |
| 485 | __u64 objectid; |
| 486 | __u64 offset; |
| 487 | __u32 type; |
| 488 | __u32 len; |
| 489 | }; |
| 490 | |
| 491 | #define BTRFS_SEARCH_ARGS_BUFSIZE (4096 - sizeof(struct btrfs_ioctl_search_key)) |
| 492 | /* |
| 493 | * the buf is an array of search headers where |
| 494 | * each header is followed by the actual item |
| 495 | * the type field is expanded to 32 bits for alignment |
| 496 | */ |
| 497 | struct btrfs_ioctl_search_args { |
| 498 | struct btrfs_ioctl_search_key key; |
| 499 | char buf[BTRFS_SEARCH_ARGS_BUFSIZE]; |
| 500 | }; |
| 501 | |
Christopher Ferris | 3147524 | 2014-09-02 17:43:51 -0700 | [diff] [blame] | 502 | struct btrfs_ioctl_search_args_v2 { |
| 503 | struct btrfs_ioctl_search_key key; /* in/out - search parameters */ |
| 504 | __u64 buf_size; /* in - size of buffer |
| 505 | * out - on EOVERFLOW: needed size |
| 506 | * to store item */ |
| 507 | __u64 buf[0]; /* out - found items */ |
| 508 | }; |
| 509 | |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 510 | struct btrfs_ioctl_clone_range_args { |
| 511 | __s64 src_fd; |
| 512 | __u64 src_offset, src_length; |
| 513 | __u64 dest_offset; |
| 514 | }; |
| 515 | |
Christopher Ferris | ccfaccd | 2016-08-24 12:11:31 -0700 | [diff] [blame] | 516 | /* |
| 517 | * flags definition for the defrag range ioctl |
| 518 | * |
| 519 | * Used by: |
| 520 | * struct btrfs_ioctl_defrag_range_args.flags |
| 521 | */ |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 522 | #define BTRFS_DEFRAG_RANGE_COMPRESS 1 |
| 523 | #define BTRFS_DEFRAG_RANGE_START_IO 2 |
Christopher Ferris | ccfaccd | 2016-08-24 12:11:31 -0700 | [diff] [blame] | 524 | struct btrfs_ioctl_defrag_range_args { |
| 525 | /* start of the defrag operation */ |
| 526 | __u64 start; |
| 527 | |
| 528 | /* number of bytes to defrag, use (u64)-1 to say all */ |
| 529 | __u64 len; |
| 530 | |
| 531 | /* |
| 532 | * flags for the operation, which can include turning |
| 533 | * on compression for this one defrag |
| 534 | */ |
| 535 | __u64 flags; |
| 536 | |
| 537 | /* |
| 538 | * any extent bigger than this will be considered |
| 539 | * already defragged. Use 0 to take the kernel default |
| 540 | * Use 1 to say every single extent must be rewritten |
| 541 | */ |
| 542 | __u32 extent_thresh; |
| 543 | |
| 544 | /* |
| 545 | * which compression method to use if turning on compression |
| 546 | * for this defrag operation. If unspecified, zlib will |
| 547 | * be used |
| 548 | */ |
| 549 | __u32 compress_type; |
| 550 | |
| 551 | /* spare for later */ |
| 552 | __u32 unused[4]; |
| 553 | }; |
| 554 | |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 555 | |
Christopher Ferris | e084501 | 2014-07-09 14:58:51 -0700 | [diff] [blame] | 556 | #define BTRFS_SAME_DATA_DIFFERS 1 |
| 557 | /* For extent-same ioctl */ |
| 558 | struct btrfs_ioctl_same_extent_info { |
| 559 | __s64 fd; /* in - destination file */ |
| 560 | __u64 logical_offset; /* in - start of extent in destination */ |
| 561 | __u64 bytes_deduped; /* out - total # of bytes we were able |
| 562 | * to dedupe from this file */ |
| 563 | /* status of this dedupe operation: |
| 564 | * 0 if dedup succeeds |
| 565 | * < 0 for error |
| 566 | * == BTRFS_SAME_DATA_DIFFERS if data differs |
| 567 | */ |
| 568 | __s32 status; /* out - see above description */ |
| 569 | __u32 reserved; |
| 570 | }; |
| 571 | |
| 572 | struct btrfs_ioctl_same_args { |
| 573 | __u64 logical_offset; /* in - start of extent in source */ |
| 574 | __u64 length; /* in - length of extent */ |
| 575 | __u16 dest_count; /* in - total elements in info array */ |
| 576 | __u16 reserved1; |
| 577 | __u32 reserved2; |
| 578 | struct btrfs_ioctl_same_extent_info info[0]; |
| 579 | }; |
| 580 | |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 581 | struct btrfs_ioctl_space_info { |
| 582 | __u64 flags; |
| 583 | __u64 total_bytes; |
| 584 | __u64 used_bytes; |
| 585 | }; |
| 586 | |
| 587 | struct btrfs_ioctl_space_args { |
| 588 | __u64 space_slots; |
| 589 | __u64 total_spaces; |
| 590 | struct btrfs_ioctl_space_info spaces[0]; |
| 591 | }; |
| 592 | |
| 593 | struct btrfs_data_container { |
| 594 | __u32 bytes_left; /* out -- bytes not needed to deliver output */ |
| 595 | __u32 bytes_missing; /* out -- additional bytes needed for result */ |
| 596 | __u32 elem_cnt; /* out */ |
| 597 | __u32 elem_missed; /* out */ |
| 598 | __u64 val[0]; /* out */ |
| 599 | }; |
| 600 | |
| 601 | struct btrfs_ioctl_ino_path_args { |
| 602 | __u64 inum; /* in */ |
| 603 | __u64 size; /* in */ |
| 604 | __u64 reserved[4]; |
| 605 | /* struct btrfs_data_container *fspath; out */ |
| 606 | __u64 fspath; /* out */ |
| 607 | }; |
| 608 | |
| 609 | struct btrfs_ioctl_logical_ino_args { |
| 610 | __u64 logical; /* in */ |
| 611 | __u64 size; /* in */ |
| 612 | __u64 reserved[4]; |
| 613 | /* struct btrfs_data_container *inodes; out */ |
| 614 | __u64 inodes; |
| 615 | }; |
| 616 | |
| 617 | enum btrfs_dev_stat_values { |
| 618 | /* disk I/O failure stats */ |
| 619 | BTRFS_DEV_STAT_WRITE_ERRS, /* EIO or EREMOTEIO from lower layers */ |
| 620 | BTRFS_DEV_STAT_READ_ERRS, /* EIO or EREMOTEIO from lower layers */ |
| 621 | BTRFS_DEV_STAT_FLUSH_ERRS, /* EIO or EREMOTEIO from lower layers */ |
| 622 | |
| 623 | /* stats for indirect indications for I/O failures */ |
| 624 | BTRFS_DEV_STAT_CORRUPTION_ERRS, /* checksum error, bytenr error or |
| 625 | * contents is illegal: this is an |
| 626 | * indication that the block was damaged |
| 627 | * during read or write, or written to |
| 628 | * wrong location or read from wrong |
| 629 | * location */ |
| 630 | BTRFS_DEV_STAT_GENERATION_ERRS, /* an indication that blocks have not |
| 631 | * been written */ |
| 632 | |
| 633 | BTRFS_DEV_STAT_VALUES_MAX |
| 634 | }; |
| 635 | |
| 636 | /* Reset statistics after reading; needs SYS_ADMIN capability */ |
| 637 | #define BTRFS_DEV_STATS_RESET (1ULL << 0) |
| 638 | |
| 639 | struct btrfs_ioctl_get_dev_stats { |
| 640 | __u64 devid; /* in */ |
| 641 | __u64 nr_items; /* in/out */ |
| 642 | __u64 flags; /* in/out */ |
| 643 | |
| 644 | /* out values: */ |
| 645 | __u64 values[BTRFS_DEV_STAT_VALUES_MAX]; |
| 646 | |
| 647 | __u64 unused[128 - 2 - BTRFS_DEV_STAT_VALUES_MAX]; /* pad to 1k */ |
| 648 | }; |
| 649 | |
| 650 | #define BTRFS_QUOTA_CTL_ENABLE 1 |
| 651 | #define BTRFS_QUOTA_CTL_DISABLE 2 |
| 652 | #define BTRFS_QUOTA_CTL_RESCAN__NOTUSED 3 |
| 653 | struct btrfs_ioctl_quota_ctl_args { |
| 654 | __u64 cmd; |
| 655 | __u64 status; |
| 656 | }; |
| 657 | |
| 658 | struct btrfs_ioctl_quota_rescan_args { |
| 659 | __u64 flags; |
| 660 | __u64 progress; |
| 661 | __u64 reserved[6]; |
| 662 | }; |
| 663 | |
| 664 | struct btrfs_ioctl_qgroup_assign_args { |
| 665 | __u64 assign; |
| 666 | __u64 src; |
| 667 | __u64 dst; |
| 668 | }; |
| 669 | |
| 670 | struct btrfs_ioctl_qgroup_create_args { |
| 671 | __u64 create; |
| 672 | __u64 qgroupid; |
| 673 | }; |
| 674 | struct btrfs_ioctl_timespec { |
| 675 | __u64 sec; |
| 676 | __u32 nsec; |
| 677 | }; |
| 678 | |
| 679 | struct btrfs_ioctl_received_subvol_args { |
| 680 | char uuid[BTRFS_UUID_SIZE]; /* in */ |
| 681 | __u64 stransid; /* in */ |
| 682 | __u64 rtransid; /* out */ |
| 683 | struct btrfs_ioctl_timespec stime; /* in */ |
| 684 | struct btrfs_ioctl_timespec rtime; /* out */ |
| 685 | __u64 flags; /* in */ |
| 686 | __u64 reserved[16]; /* in */ |
| 687 | }; |
| 688 | |
| 689 | /* |
| 690 | * Caller doesn't want file data in the send stream, even if the |
| 691 | * search of clone sources doesn't find an extent. UPDATE_EXTENT |
| 692 | * commands will be sent instead of WRITE commands. |
| 693 | */ |
| 694 | #define BTRFS_SEND_FLAG_NO_FILE_DATA 0x1 |
| 695 | |
| 696 | /* |
| 697 | * Do not add the leading stream header. Used when multiple snapshots |
| 698 | * are sent back to back. |
| 699 | */ |
| 700 | #define BTRFS_SEND_FLAG_OMIT_STREAM_HEADER 0x2 |
| 701 | |
| 702 | /* |
| 703 | * Omit the command at the end of the stream that indicated the end |
| 704 | * of the stream. This option is used when multiple snapshots are |
| 705 | * sent back to back. |
| 706 | */ |
| 707 | #define BTRFS_SEND_FLAG_OMIT_END_CMD 0x4 |
| 708 | |
| 709 | #define BTRFS_SEND_FLAG_MASK \ |
| 710 | (BTRFS_SEND_FLAG_NO_FILE_DATA | \ |
| 711 | BTRFS_SEND_FLAG_OMIT_STREAM_HEADER | \ |
| 712 | BTRFS_SEND_FLAG_OMIT_END_CMD) |
| 713 | |
| 714 | struct btrfs_ioctl_send_args { |
| 715 | __s64 send_fd; /* in */ |
| 716 | __u64 clone_sources_count; /* in */ |
| 717 | __u64 __user *clone_sources; /* in */ |
| 718 | __u64 parent_root; /* in */ |
| 719 | __u64 flags; /* in */ |
| 720 | __u64 reserved[4]; /* in */ |
| 721 | }; |
| 722 | |
Christopher Ferris | e084501 | 2014-07-09 14:58:51 -0700 | [diff] [blame] | 723 | /* Error codes as returned by the kernel */ |
| 724 | enum btrfs_err_code { |
Christopher Ferris | 12e1f28 | 2016-02-04 12:35:07 -0800 | [diff] [blame] | 725 | BTRFS_ERROR_DEV_RAID1_MIN_NOT_MET = 1, |
Christopher Ferris | e084501 | 2014-07-09 14:58:51 -0700 | [diff] [blame] | 726 | BTRFS_ERROR_DEV_RAID10_MIN_NOT_MET, |
| 727 | BTRFS_ERROR_DEV_RAID5_MIN_NOT_MET, |
| 728 | BTRFS_ERROR_DEV_RAID6_MIN_NOT_MET, |
| 729 | BTRFS_ERROR_DEV_TGT_REPLACE, |
| 730 | BTRFS_ERROR_DEV_MISSING_NOT_FOUND, |
| 731 | BTRFS_ERROR_DEV_ONLY_WRITABLE, |
| 732 | BTRFS_ERROR_DEV_EXCL_RUN_IN_PROGRESS |
| 733 | }; |
Christopher Ferris | e084501 | 2014-07-09 14:58:51 -0700 | [diff] [blame] | 734 | |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 735 | #define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, \ |
| 736 | struct btrfs_ioctl_vol_args) |
| 737 | #define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, \ |
| 738 | struct btrfs_ioctl_vol_args) |
| 739 | #define BTRFS_IOC_RESIZE _IOW(BTRFS_IOCTL_MAGIC, 3, \ |
| 740 | struct btrfs_ioctl_vol_args) |
| 741 | #define BTRFS_IOC_SCAN_DEV _IOW(BTRFS_IOCTL_MAGIC, 4, \ |
| 742 | struct btrfs_ioctl_vol_args) |
| 743 | /* trans start and trans end are dangerous, and only for |
| 744 | * use by applications that know how to avoid the |
| 745 | * resulting deadlocks |
| 746 | */ |
| 747 | #define BTRFS_IOC_TRANS_START _IO(BTRFS_IOCTL_MAGIC, 6) |
| 748 | #define BTRFS_IOC_TRANS_END _IO(BTRFS_IOCTL_MAGIC, 7) |
| 749 | #define BTRFS_IOC_SYNC _IO(BTRFS_IOCTL_MAGIC, 8) |
| 750 | |
| 751 | #define BTRFS_IOC_CLONE _IOW(BTRFS_IOCTL_MAGIC, 9, int) |
| 752 | #define BTRFS_IOC_ADD_DEV _IOW(BTRFS_IOCTL_MAGIC, 10, \ |
| 753 | struct btrfs_ioctl_vol_args) |
| 754 | #define BTRFS_IOC_RM_DEV _IOW(BTRFS_IOCTL_MAGIC, 11, \ |
| 755 | struct btrfs_ioctl_vol_args) |
| 756 | #define BTRFS_IOC_BALANCE _IOW(BTRFS_IOCTL_MAGIC, 12, \ |
| 757 | struct btrfs_ioctl_vol_args) |
| 758 | |
| 759 | #define BTRFS_IOC_CLONE_RANGE _IOW(BTRFS_IOCTL_MAGIC, 13, \ |
| 760 | struct btrfs_ioctl_clone_range_args) |
| 761 | |
| 762 | #define BTRFS_IOC_SUBVOL_CREATE _IOW(BTRFS_IOCTL_MAGIC, 14, \ |
| 763 | struct btrfs_ioctl_vol_args) |
| 764 | #define BTRFS_IOC_SNAP_DESTROY _IOW(BTRFS_IOCTL_MAGIC, 15, \ |
| 765 | struct btrfs_ioctl_vol_args) |
| 766 | #define BTRFS_IOC_DEFRAG_RANGE _IOW(BTRFS_IOCTL_MAGIC, 16, \ |
| 767 | struct btrfs_ioctl_defrag_range_args) |
| 768 | #define BTRFS_IOC_TREE_SEARCH _IOWR(BTRFS_IOCTL_MAGIC, 17, \ |
| 769 | struct btrfs_ioctl_search_args) |
Christopher Ferris | 3147524 | 2014-09-02 17:43:51 -0700 | [diff] [blame] | 770 | #define BTRFS_IOC_TREE_SEARCH_V2 _IOWR(BTRFS_IOCTL_MAGIC, 17, \ |
| 771 | struct btrfs_ioctl_search_args_v2) |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 772 | #define BTRFS_IOC_INO_LOOKUP _IOWR(BTRFS_IOCTL_MAGIC, 18, \ |
| 773 | struct btrfs_ioctl_ino_lookup_args) |
Christopher Ferris | e084501 | 2014-07-09 14:58:51 -0700 | [diff] [blame] | 774 | #define BTRFS_IOC_DEFAULT_SUBVOL _IOW(BTRFS_IOCTL_MAGIC, 19, __u64) |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 775 | #define BTRFS_IOC_SPACE_INFO _IOWR(BTRFS_IOCTL_MAGIC, 20, \ |
| 776 | struct btrfs_ioctl_space_args) |
| 777 | #define BTRFS_IOC_START_SYNC _IOR(BTRFS_IOCTL_MAGIC, 24, __u64) |
| 778 | #define BTRFS_IOC_WAIT_SYNC _IOW(BTRFS_IOCTL_MAGIC, 22, __u64) |
| 779 | #define BTRFS_IOC_SNAP_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 23, \ |
| 780 | struct btrfs_ioctl_vol_args_v2) |
| 781 | #define BTRFS_IOC_SUBVOL_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 24, \ |
| 782 | struct btrfs_ioctl_vol_args_v2) |
| 783 | #define BTRFS_IOC_SUBVOL_GETFLAGS _IOR(BTRFS_IOCTL_MAGIC, 25, __u64) |
| 784 | #define BTRFS_IOC_SUBVOL_SETFLAGS _IOW(BTRFS_IOCTL_MAGIC, 26, __u64) |
| 785 | #define BTRFS_IOC_SCRUB _IOWR(BTRFS_IOCTL_MAGIC, 27, \ |
| 786 | struct btrfs_ioctl_scrub_args) |
| 787 | #define BTRFS_IOC_SCRUB_CANCEL _IO(BTRFS_IOCTL_MAGIC, 28) |
| 788 | #define BTRFS_IOC_SCRUB_PROGRESS _IOWR(BTRFS_IOCTL_MAGIC, 29, \ |
| 789 | struct btrfs_ioctl_scrub_args) |
| 790 | #define BTRFS_IOC_DEV_INFO _IOWR(BTRFS_IOCTL_MAGIC, 30, \ |
| 791 | struct btrfs_ioctl_dev_info_args) |
| 792 | #define BTRFS_IOC_FS_INFO _IOR(BTRFS_IOCTL_MAGIC, 31, \ |
| 793 | struct btrfs_ioctl_fs_info_args) |
| 794 | #define BTRFS_IOC_BALANCE_V2 _IOWR(BTRFS_IOCTL_MAGIC, 32, \ |
| 795 | struct btrfs_ioctl_balance_args) |
| 796 | #define BTRFS_IOC_BALANCE_CTL _IOW(BTRFS_IOCTL_MAGIC, 33, int) |
| 797 | #define BTRFS_IOC_BALANCE_PROGRESS _IOR(BTRFS_IOCTL_MAGIC, 34, \ |
| 798 | struct btrfs_ioctl_balance_args) |
| 799 | #define BTRFS_IOC_INO_PATHS _IOWR(BTRFS_IOCTL_MAGIC, 35, \ |
| 800 | struct btrfs_ioctl_ino_path_args) |
| 801 | #define BTRFS_IOC_LOGICAL_INO _IOWR(BTRFS_IOCTL_MAGIC, 36, \ |
Christopher Ferris | 6e3550f | 2016-12-12 14:51:18 -0800 | [diff] [blame] | 802 | struct btrfs_ioctl_logical_ino_args) |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 803 | #define BTRFS_IOC_SET_RECEIVED_SUBVOL _IOWR(BTRFS_IOCTL_MAGIC, 37, \ |
| 804 | struct btrfs_ioctl_received_subvol_args) |
| 805 | #define BTRFS_IOC_SEND _IOW(BTRFS_IOCTL_MAGIC, 38, struct btrfs_ioctl_send_args) |
| 806 | #define BTRFS_IOC_DEVICES_READY _IOR(BTRFS_IOCTL_MAGIC, 39, \ |
| 807 | struct btrfs_ioctl_vol_args) |
| 808 | #define BTRFS_IOC_QUOTA_CTL _IOWR(BTRFS_IOCTL_MAGIC, 40, \ |
| 809 | struct btrfs_ioctl_quota_ctl_args) |
| 810 | #define BTRFS_IOC_QGROUP_ASSIGN _IOW(BTRFS_IOCTL_MAGIC, 41, \ |
| 811 | struct btrfs_ioctl_qgroup_assign_args) |
| 812 | #define BTRFS_IOC_QGROUP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 42, \ |
| 813 | struct btrfs_ioctl_qgroup_create_args) |
| 814 | #define BTRFS_IOC_QGROUP_LIMIT _IOR(BTRFS_IOCTL_MAGIC, 43, \ |
| 815 | struct btrfs_ioctl_qgroup_limit_args) |
| 816 | #define BTRFS_IOC_QUOTA_RESCAN _IOW(BTRFS_IOCTL_MAGIC, 44, \ |
| 817 | struct btrfs_ioctl_quota_rescan_args) |
| 818 | #define BTRFS_IOC_QUOTA_RESCAN_STATUS _IOR(BTRFS_IOCTL_MAGIC, 45, \ |
| 819 | struct btrfs_ioctl_quota_rescan_args) |
Christopher Ferris | e084501 | 2014-07-09 14:58:51 -0700 | [diff] [blame] | 820 | #define BTRFS_IOC_QUOTA_RESCAN_WAIT _IO(BTRFS_IOCTL_MAGIC, 46) |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 821 | #define BTRFS_IOC_GET_FSLABEL _IOR(BTRFS_IOCTL_MAGIC, 49, \ |
| 822 | char[BTRFS_LABEL_SIZE]) |
| 823 | #define BTRFS_IOC_SET_FSLABEL _IOW(BTRFS_IOCTL_MAGIC, 50, \ |
| 824 | char[BTRFS_LABEL_SIZE]) |
| 825 | #define BTRFS_IOC_GET_DEV_STATS _IOWR(BTRFS_IOCTL_MAGIC, 52, \ |
| 826 | struct btrfs_ioctl_get_dev_stats) |
| 827 | #define BTRFS_IOC_DEV_REPLACE _IOWR(BTRFS_IOCTL_MAGIC, 53, \ |
| 828 | struct btrfs_ioctl_dev_replace_args) |
Christopher Ferris | e084501 | 2014-07-09 14:58:51 -0700 | [diff] [blame] | 829 | #define BTRFS_IOC_FILE_EXTENT_SAME _IOWR(BTRFS_IOCTL_MAGIC, 54, \ |
| 830 | struct btrfs_ioctl_same_args) |
| 831 | #define BTRFS_IOC_GET_FEATURES _IOR(BTRFS_IOCTL_MAGIC, 57, \ |
| 832 | struct btrfs_ioctl_feature_flags) |
| 833 | #define BTRFS_IOC_SET_FEATURES _IOW(BTRFS_IOCTL_MAGIC, 57, \ |
| 834 | struct btrfs_ioctl_feature_flags[2]) |
| 835 | #define BTRFS_IOC_GET_SUPPORTED_FEATURES _IOR(BTRFS_IOCTL_MAGIC, 57, \ |
| 836 | struct btrfs_ioctl_feature_flags[3]) |
Christopher Ferris | ccfaccd | 2016-08-24 12:11:31 -0700 | [diff] [blame] | 837 | #define BTRFS_IOC_RM_DEV_V2 _IOW(BTRFS_IOCTL_MAGIC, 58, \ |
| 838 | struct btrfs_ioctl_vol_args_v2) |
Christopher Ferris | 6ea19f6 | 2013-11-20 19:48:48 -0800 | [diff] [blame] | 839 | |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 840 | #endif /* _UAPI_LINUX_BTRFS_H */ |