Chris Mason | 6cbd557 | 2007-06-12 09:07:21 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2007 Oracle. All rights reserved. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public |
| 6 | * License v2 as published by the Free Software Foundation. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 11 | * General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public |
| 14 | * License along with this program; if not, write to the |
| 15 | * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| 16 | * Boston, MA 021110-1307, USA. |
| 17 | */ |
| 18 | |
Chris Mason | c5739bb | 2007-04-10 09:27:04 -0400 | [diff] [blame] | 19 | #ifndef __IOCTL_ |
| 20 | #define __IOCTL_ |
| 21 | #include <linux/ioctl.h> |
| 22 | |
| 23 | #define BTRFS_IOCTL_MAGIC 0x94 |
| 24 | #define BTRFS_VOL_NAME_MAX 255 |
Chris Mason | 8a4b83c | 2008-03-24 15:02:07 -0400 | [diff] [blame] | 25 | |
Chris Mason | c071fcf | 2009-01-16 11:59:08 -0500 | [diff] [blame] | 26 | /* this should be 4k */ |
Sage Weil | 72fd032 | 2010-10-29 15:41:32 -0400 | [diff] [blame] | 27 | #define BTRFS_PATH_NAME_MAX 4087 |
Chris Mason | c5739bb | 2007-04-10 09:27:04 -0400 | [diff] [blame] | 28 | struct btrfs_ioctl_vol_args { |
Chris Mason | 3de4586 | 2008-11-17 21:02:50 -0500 | [diff] [blame] | 29 | __s64 fd; |
Chris Mason | 8a4b83c | 2008-03-24 15:02:07 -0400 | [diff] [blame] | 30 | char name[BTRFS_PATH_NAME_MAX + 1]; |
Chris Mason | c5739bb | 2007-04-10 09:27:04 -0400 | [diff] [blame] | 31 | }; |
| 32 | |
Li Zefan | fdfb1e4 | 2010-12-10 06:41:56 +0000 | [diff] [blame] | 33 | #define BTRFS_SUBVOL_CREATE_ASYNC (1ULL << 0) |
Li Zefan | b83cc96 | 2010-12-20 16:04:08 +0800 | [diff] [blame] | 34 | #define BTRFS_SUBVOL_RDONLY (1ULL << 1) |
Arne Jansen | 6f72c7e | 2011-09-14 15:58:21 +0200 | [diff] [blame] | 35 | #define BTRFS_SUBVOL_QGROUP_INHERIT (1ULL << 2) |
Jan Schmidt | 475f638 | 2011-03-11 15:41:01 +0100 | [diff] [blame] | 36 | #define BTRFS_FSID_SIZE 16 |
| 37 | #define BTRFS_UUID_SIZE 16 |
Li Zefan | fdfb1e4 | 2010-12-10 06:41:56 +0000 | [diff] [blame] | 38 | |
Arne Jansen | bed92ea | 2012-06-28 18:03:02 +0200 | [diff] [blame] | 39 | #define BTRFS_QGROUP_INHERIT_SET_LIMITS (1ULL << 0) |
| 40 | |
| 41 | struct btrfs_qgroup_limit { |
| 42 | __u64 flags; |
| 43 | __u64 max_rfer; |
| 44 | __u64 max_excl; |
| 45 | __u64 rsv_rfer; |
| 46 | __u64 rsv_excl; |
| 47 | }; |
| 48 | |
| 49 | struct btrfs_qgroup_inherit { |
| 50 | __u64 flags; |
| 51 | __u64 num_qgroups; |
| 52 | __u64 num_ref_copies; |
| 53 | __u64 num_excl_copies; |
| 54 | struct btrfs_qgroup_limit lim; |
| 55 | __u64 qgroups[0]; |
| 56 | }; |
| 57 | |
| 58 | struct btrfs_ioctl_qgroup_limit_args { |
| 59 | __u64 qgroupid; |
| 60 | struct btrfs_qgroup_limit lim; |
| 61 | }; |
| 62 | |
Li Zefan | fdfb1e4 | 2010-12-10 06:41:56 +0000 | [diff] [blame] | 63 | #define BTRFS_SUBVOL_NAME_MAX 4039 |
| 64 | struct btrfs_ioctl_vol_args_v2 { |
Sage Weil | 72fd032 | 2010-10-29 15:41:32 -0400 | [diff] [blame] | 65 | __s64 fd; |
| 66 | __u64 transid; |
Li Zefan | fdfb1e4 | 2010-12-10 06:41:56 +0000 | [diff] [blame] | 67 | __u64 flags; |
Arne Jansen | 6f72c7e | 2011-09-14 15:58:21 +0200 | [diff] [blame] | 68 | union { |
| 69 | struct { |
| 70 | __u64 size; |
| 71 | struct btrfs_qgroup_inherit __user *qgroup_inherit; |
| 72 | }; |
| 73 | __u64 unused[4]; |
| 74 | }; |
Li Zefan | fdfb1e4 | 2010-12-10 06:41:56 +0000 | [diff] [blame] | 75 | char name[BTRFS_SUBVOL_NAME_MAX + 1]; |
Sage Weil | 72fd032 | 2010-10-29 15:41:32 -0400 | [diff] [blame] | 76 | }; |
| 77 | |
Arne Jansen | a2de733 | 2011-03-08 14:14:00 +0100 | [diff] [blame] | 78 | /* |
| 79 | * structure to report errors and progress to userspace, either as a |
| 80 | * result of a finished scrub, a canceled scrub or a progress inquiry |
| 81 | */ |
| 82 | struct btrfs_scrub_progress { |
| 83 | __u64 data_extents_scrubbed; /* # of data extents scrubbed */ |
| 84 | __u64 tree_extents_scrubbed; /* # of tree extents scrubbed */ |
| 85 | __u64 data_bytes_scrubbed; /* # of data bytes scrubbed */ |
| 86 | __u64 tree_bytes_scrubbed; /* # of tree bytes scrubbed */ |
| 87 | __u64 read_errors; /* # of read errors encountered (EIO) */ |
| 88 | __u64 csum_errors; /* # of failed csum checks */ |
| 89 | __u64 verify_errors; /* # of occurences, where the metadata |
| 90 | * of a tree block did not match the |
| 91 | * expected values, like generation or |
| 92 | * logical */ |
| 93 | __u64 no_csum; /* # of 4k data block for which no csum |
| 94 | * is present, probably the result of |
| 95 | * data written with nodatasum */ |
| 96 | __u64 csum_discards; /* # of csum for which no data was found |
| 97 | * in the extent tree. */ |
| 98 | __u64 super_errors; /* # of bad super blocks encountered */ |
| 99 | __u64 malloc_errors; /* # of internal kmalloc errors. These |
| 100 | * will likely cause an incomplete |
| 101 | * scrub */ |
| 102 | __u64 uncorrectable_errors; /* # of errors where either no intact |
| 103 | * copy was found or the writeback |
| 104 | * failed */ |
| 105 | __u64 corrected_errors; /* # of errors corrected */ |
| 106 | __u64 last_physical; /* last physical address scrubbed. In |
| 107 | * case a scrub was aborted, this can |
| 108 | * be used to restart the scrub */ |
| 109 | __u64 unverified_errors; /* # of occurences where a read for a |
| 110 | * full (64k) bio failed, but the re- |
| 111 | * check succeeded for each 4k piece. |
| 112 | * Intermittent error. */ |
| 113 | }; |
| 114 | |
Arne Jansen | 8628764 | 2011-03-23 16:34:19 +0100 | [diff] [blame] | 115 | #define BTRFS_SCRUB_READONLY 1 |
Jan Schmidt | 475f638 | 2011-03-11 15:41:01 +0100 | [diff] [blame] | 116 | struct btrfs_ioctl_scrub_args { |
| 117 | __u64 devid; /* in */ |
| 118 | __u64 start; /* in */ |
| 119 | __u64 end; /* in */ |
| 120 | __u64 flags; /* in */ |
| 121 | struct btrfs_scrub_progress progress; /* out */ |
| 122 | /* pad to 1k */ |
| 123 | __u64 unused[(1024-32-sizeof(struct btrfs_scrub_progress))/8]; |
| 124 | }; |
| 125 | |
Stefan Behrens | e93c89c | 2012-11-05 17:33:06 +0100 | [diff] [blame^] | 126 | #define BTRFS_IOCTL_DEV_REPLACE_CONT_READING_FROM_SRCDEV_MODE_ALWAYS 0 |
| 127 | #define BTRFS_IOCTL_DEV_REPLACE_CONT_READING_FROM_SRCDEV_MODE_AVOID 1 |
| 128 | struct btrfs_ioctl_dev_replace_start_params { |
| 129 | __u64 srcdevid; /* in, if 0, use srcdev_name instead */ |
| 130 | __u8 srcdev_name[BTRFS_PATH_NAME_MAX + 1]; /* in */ |
| 131 | __u8 tgtdev_name[BTRFS_PATH_NAME_MAX + 1]; /* in */ |
| 132 | __u64 cont_reading_from_srcdev_mode; /* in, see #define |
| 133 | * above */ |
| 134 | }; |
| 135 | |
| 136 | #define BTRFS_IOCTL_DEV_REPLACE_STATE_NEVER_STARTED 0 |
| 137 | #define BTRFS_IOCTL_DEV_REPLACE_STATE_STARTED 1 |
| 138 | #define BTRFS_IOCTL_DEV_REPLACE_STATE_FINISHED 2 |
| 139 | #define BTRFS_IOCTL_DEV_REPLACE_STATE_CANCELED 3 |
| 140 | #define BTRFS_IOCTL_DEV_REPLACE_STATE_SUSPENDED 4 |
| 141 | struct btrfs_ioctl_dev_replace_status_params { |
| 142 | __u64 replace_state; /* out, see #define above */ |
| 143 | __u64 progress_1000; /* out, 0 <= x <= 1000 */ |
| 144 | __u64 time_started; /* out, seconds since 1-Jan-1970 */ |
| 145 | __u64 time_stopped; /* out, seconds since 1-Jan-1970 */ |
| 146 | __u64 num_write_errors; /* out */ |
| 147 | __u64 num_uncorrectable_read_errors; /* out */ |
| 148 | }; |
| 149 | |
| 150 | #define BTRFS_IOCTL_DEV_REPLACE_CMD_START 0 |
| 151 | #define BTRFS_IOCTL_DEV_REPLACE_CMD_STATUS 1 |
| 152 | #define BTRFS_IOCTL_DEV_REPLACE_CMD_CANCEL 2 |
| 153 | #define BTRFS_IOCTL_DEV_REPLACE_RESULT_NO_ERROR 0 |
| 154 | #define BTRFS_IOCTL_DEV_REPLACE_RESULT_NOT_STARTED 1 |
| 155 | #define BTRFS_IOCTL_DEV_REPLACE_RESULT_ALREADY_STARTED 2 |
| 156 | struct btrfs_ioctl_dev_replace_args { |
| 157 | __u64 cmd; /* in */ |
| 158 | __u64 result; /* out */ |
| 159 | |
| 160 | union { |
| 161 | struct btrfs_ioctl_dev_replace_start_params start; |
| 162 | struct btrfs_ioctl_dev_replace_status_params status; |
| 163 | }; /* in/out */ |
| 164 | |
| 165 | __u64 spare[64]; |
| 166 | }; |
| 167 | |
Jan Schmidt | 475f638 | 2011-03-11 15:41:01 +0100 | [diff] [blame] | 168 | #define BTRFS_DEVICE_PATH_NAME_MAX 1024 |
| 169 | struct btrfs_ioctl_dev_info_args { |
| 170 | __u64 devid; /* in/out */ |
| 171 | __u8 uuid[BTRFS_UUID_SIZE]; /* in/out */ |
| 172 | __u64 bytes_used; /* out */ |
| 173 | __u64 total_bytes; /* out */ |
| 174 | __u64 unused[379]; /* pad to 4k */ |
| 175 | __u8 path[BTRFS_DEVICE_PATH_NAME_MAX]; /* out */ |
| 176 | }; |
| 177 | |
| 178 | struct btrfs_ioctl_fs_info_args { |
| 179 | __u64 max_id; /* out */ |
| 180 | __u64 num_devices; /* out */ |
| 181 | __u8 fsid[BTRFS_FSID_SIZE]; /* out */ |
| 182 | __u64 reserved[124]; /* pad to 1k */ |
| 183 | }; |
| 184 | |
Ilya Dryomov | 837d5b6 | 2012-01-16 22:04:49 +0200 | [diff] [blame] | 185 | /* balance control ioctl modes */ |
| 186 | #define BTRFS_BALANCE_CTL_PAUSE 1 |
Ilya Dryomov | a7e99c6 | 2012-01-16 22:04:49 +0200 | [diff] [blame] | 187 | #define BTRFS_BALANCE_CTL_CANCEL 2 |
Ilya Dryomov | 837d5b6 | 2012-01-16 22:04:49 +0200 | [diff] [blame] | 188 | |
Ilya Dryomov | c9e9f97 | 2012-01-16 22:04:47 +0200 | [diff] [blame] | 189 | /* |
| 190 | * this is packed, because it should be exactly the same as its disk |
| 191 | * byte order counterpart (struct btrfs_disk_balance_args) |
| 192 | */ |
| 193 | struct btrfs_balance_args { |
| 194 | __u64 profiles; |
| 195 | __u64 usage; |
| 196 | __u64 devid; |
| 197 | __u64 pstart; |
| 198 | __u64 pend; |
| 199 | __u64 vstart; |
| 200 | __u64 vend; |
| 201 | |
| 202 | __u64 target; |
| 203 | |
| 204 | __u64 flags; |
| 205 | |
| 206 | __u64 unused[8]; |
| 207 | } __attribute__ ((__packed__)); |
| 208 | |
| 209 | /* report balance progress to userspace */ |
| 210 | struct btrfs_balance_progress { |
| 211 | __u64 expected; /* estimated # of chunks that will be |
| 212 | * relocated to fulfill the request */ |
| 213 | __u64 considered; /* # of chunks we have considered so far */ |
| 214 | __u64 completed; /* # of chunks relocated so far */ |
| 215 | }; |
| 216 | |
Ilya Dryomov | 837d5b6 | 2012-01-16 22:04:49 +0200 | [diff] [blame] | 217 | #define BTRFS_BALANCE_STATE_RUNNING (1ULL << 0) |
| 218 | #define BTRFS_BALANCE_STATE_PAUSE_REQ (1ULL << 1) |
Ilya Dryomov | a7e99c6 | 2012-01-16 22:04:49 +0200 | [diff] [blame] | 219 | #define BTRFS_BALANCE_STATE_CANCEL_REQ (1ULL << 2) |
Ilya Dryomov | 837d5b6 | 2012-01-16 22:04:49 +0200 | [diff] [blame] | 220 | |
Ilya Dryomov | c9e9f97 | 2012-01-16 22:04:47 +0200 | [diff] [blame] | 221 | struct btrfs_ioctl_balance_args { |
| 222 | __u64 flags; /* in/out */ |
| 223 | __u64 state; /* out */ |
| 224 | |
| 225 | struct btrfs_balance_args data; /* in/out */ |
| 226 | struct btrfs_balance_args meta; /* in/out */ |
| 227 | struct btrfs_balance_args sys; /* in/out */ |
| 228 | |
| 229 | struct btrfs_balance_progress stat; /* out */ |
| 230 | |
| 231 | __u64 unused[72]; /* pad to 1k */ |
| 232 | }; |
| 233 | |
Chris Mason | ac8e981 | 2010-02-28 15:39:26 -0500 | [diff] [blame] | 234 | #define BTRFS_INO_LOOKUP_PATH_MAX 4080 |
| 235 | struct btrfs_ioctl_ino_lookup_args { |
| 236 | __u64 treeid; |
| 237 | __u64 objectid; |
| 238 | char name[BTRFS_INO_LOOKUP_PATH_MAX]; |
| 239 | }; |
| 240 | |
| 241 | struct btrfs_ioctl_search_key { |
| 242 | /* which root are we searching. 0 is the tree of tree roots */ |
| 243 | __u64 tree_id; |
| 244 | |
| 245 | /* keys returned will be >= min and <= max */ |
| 246 | __u64 min_objectid; |
| 247 | __u64 max_objectid; |
| 248 | |
| 249 | /* keys returned will be >= min and <= max */ |
| 250 | __u64 min_offset; |
| 251 | __u64 max_offset; |
| 252 | |
| 253 | /* max and min transids to search for */ |
| 254 | __u64 min_transid; |
| 255 | __u64 max_transid; |
| 256 | |
| 257 | /* keys returned will be >= min and <= max */ |
| 258 | __u32 min_type; |
| 259 | __u32 max_type; |
| 260 | |
| 261 | /* |
| 262 | * how many items did userland ask for, and how many are we |
| 263 | * returning |
| 264 | */ |
| 265 | __u32 nr_items; |
| 266 | |
| 267 | /* align to 64 bits */ |
| 268 | __u32 unused; |
| 269 | |
| 270 | /* some extra for later */ |
| 271 | __u64 unused1; |
| 272 | __u64 unused2; |
| 273 | __u64 unused3; |
| 274 | __u64 unused4; |
| 275 | }; |
| 276 | |
| 277 | struct btrfs_ioctl_search_header { |
| 278 | __u64 transid; |
| 279 | __u64 objectid; |
| 280 | __u64 offset; |
| 281 | __u32 type; |
| 282 | __u32 len; |
| 283 | }; |
| 284 | |
| 285 | #define BTRFS_SEARCH_ARGS_BUFSIZE (4096 - sizeof(struct btrfs_ioctl_search_key)) |
| 286 | /* |
| 287 | * the buf is an array of search headers where |
| 288 | * each header is followed by the actual item |
| 289 | * the type field is expanded to 32 bits for alignment |
| 290 | */ |
| 291 | struct btrfs_ioctl_search_args { |
| 292 | struct btrfs_ioctl_search_key key; |
| 293 | char buf[BTRFS_SEARCH_ARGS_BUFSIZE]; |
| 294 | }; |
| 295 | |
Chris Mason | c071fcf | 2009-01-16 11:59:08 -0500 | [diff] [blame] | 296 | struct btrfs_ioctl_clone_range_args { |
| 297 | __s64 src_fd; |
| 298 | __u64 src_offset, src_length; |
| 299 | __u64 dest_offset; |
| 300 | }; |
| 301 | |
Chris Mason | 1e701a3 | 2010-03-11 09:42:04 -0500 | [diff] [blame] | 302 | /* flags for the defrag range ioctl */ |
| 303 | #define BTRFS_DEFRAG_RANGE_COMPRESS 1 |
| 304 | #define BTRFS_DEFRAG_RANGE_START_IO 2 |
| 305 | |
Josef Bacik | 1406e43 | 2010-01-13 18:19:06 +0000 | [diff] [blame] | 306 | struct btrfs_ioctl_space_info { |
Sage Weil | ce769a2 | 2010-03-16 00:02:26 +0000 | [diff] [blame] | 307 | __u64 flags; |
| 308 | __u64 total_bytes; |
| 309 | __u64 used_bytes; |
Josef Bacik | 1406e43 | 2010-01-13 18:19:06 +0000 | [diff] [blame] | 310 | }; |
| 311 | |
| 312 | struct btrfs_ioctl_space_args { |
Sage Weil | ce769a2 | 2010-03-16 00:02:26 +0000 | [diff] [blame] | 313 | __u64 space_slots; |
| 314 | __u64 total_spaces; |
Josef Bacik | 1406e43 | 2010-01-13 18:19:06 +0000 | [diff] [blame] | 315 | struct btrfs_ioctl_space_info spaces[0]; |
| 316 | }; |
Chris Mason | 1e701a3 | 2010-03-11 09:42:04 -0500 | [diff] [blame] | 317 | |
Jan Schmidt | a542ad1 | 2011-06-13 19:52:59 +0200 | [diff] [blame] | 318 | struct btrfs_data_container { |
| 319 | __u32 bytes_left; /* out -- bytes not needed to deliver output */ |
| 320 | __u32 bytes_missing; /* out -- additional bytes needed for result */ |
| 321 | __u32 elem_cnt; /* out */ |
| 322 | __u32 elem_missed; /* out */ |
Chris Mason | 740c3d2 | 2011-11-02 15:48:34 -0400 | [diff] [blame] | 323 | __u64 val[0]; /* out */ |
Jan Schmidt | a542ad1 | 2011-06-13 19:52:59 +0200 | [diff] [blame] | 324 | }; |
| 325 | |
Jan Schmidt | d7728c9 | 2011-07-07 16:48:38 +0200 | [diff] [blame] | 326 | struct btrfs_ioctl_ino_path_args { |
| 327 | __u64 inum; /* in */ |
Alexander Block | d04b1de | 2012-05-04 15:16:06 -0400 | [diff] [blame] | 328 | __u64 size; /* in */ |
Jan Schmidt | d7728c9 | 2011-07-07 16:48:38 +0200 | [diff] [blame] | 329 | __u64 reserved[4]; |
Chris Mason | 740c3d2 | 2011-11-02 15:48:34 -0400 | [diff] [blame] | 330 | /* struct btrfs_data_container *fspath; out */ |
| 331 | __u64 fspath; /* out */ |
Jan Schmidt | d7728c9 | 2011-07-07 16:48:38 +0200 | [diff] [blame] | 332 | }; |
| 333 | |
| 334 | struct btrfs_ioctl_logical_ino_args { |
| 335 | __u64 logical; /* in */ |
Alexander Block | d04b1de | 2012-05-04 15:16:06 -0400 | [diff] [blame] | 336 | __u64 size; /* in */ |
Jan Schmidt | d7728c9 | 2011-07-07 16:48:38 +0200 | [diff] [blame] | 337 | __u64 reserved[4]; |
Chris Mason | 740c3d2 | 2011-11-02 15:48:34 -0400 | [diff] [blame] | 338 | /* struct btrfs_data_container *inodes; out */ |
| 339 | __u64 inodes; |
Jan Schmidt | d7728c9 | 2011-07-07 16:48:38 +0200 | [diff] [blame] | 340 | }; |
| 341 | |
Stefan Behrens | 442a4f6 | 2012-05-25 16:06:08 +0200 | [diff] [blame] | 342 | enum btrfs_dev_stat_values { |
| 343 | /* disk I/O failure stats */ |
| 344 | BTRFS_DEV_STAT_WRITE_ERRS, /* EIO or EREMOTEIO from lower layers */ |
| 345 | BTRFS_DEV_STAT_READ_ERRS, /* EIO or EREMOTEIO from lower layers */ |
| 346 | BTRFS_DEV_STAT_FLUSH_ERRS, /* EIO or EREMOTEIO from lower layers */ |
| 347 | |
| 348 | /* stats for indirect indications for I/O failures */ |
| 349 | BTRFS_DEV_STAT_CORRUPTION_ERRS, /* checksum error, bytenr error or |
| 350 | * contents is illegal: this is an |
| 351 | * indication that the block was damaged |
| 352 | * during read or write, or written to |
| 353 | * wrong location or read from wrong |
| 354 | * location */ |
| 355 | BTRFS_DEV_STAT_GENERATION_ERRS, /* an indication that blocks have not |
| 356 | * been written */ |
| 357 | |
| 358 | BTRFS_DEV_STAT_VALUES_MAX |
| 359 | }; |
| 360 | |
David Sterba | b27f7c0 | 2012-06-22 06:30:39 -0600 | [diff] [blame] | 361 | /* Reset statistics after reading; needs SYS_ADMIN capability */ |
| 362 | #define BTRFS_DEV_STATS_RESET (1ULL << 0) |
| 363 | |
Stefan Behrens | c11d2c2 | 2012-05-25 16:06:09 +0200 | [diff] [blame] | 364 | struct btrfs_ioctl_get_dev_stats { |
| 365 | __u64 devid; /* in */ |
| 366 | __u64 nr_items; /* in/out */ |
David Sterba | b27f7c0 | 2012-06-22 06:30:39 -0600 | [diff] [blame] | 367 | __u64 flags; /* in/out */ |
Stefan Behrens | c11d2c2 | 2012-05-25 16:06:09 +0200 | [diff] [blame] | 368 | |
| 369 | /* out values: */ |
| 370 | __u64 values[BTRFS_DEV_STAT_VALUES_MAX]; |
| 371 | |
| 372 | __u64 unused[128 - 2 - BTRFS_DEV_STAT_VALUES_MAX]; /* pad to 1k */ |
| 373 | }; |
| 374 | |
Arne Jansen | 5d13a37 | 2011-09-14 15:53:51 +0200 | [diff] [blame] | 375 | #define BTRFS_QUOTA_CTL_ENABLE 1 |
| 376 | #define BTRFS_QUOTA_CTL_DISABLE 2 |
| 377 | #define BTRFS_QUOTA_CTL_RESCAN 3 |
| 378 | struct btrfs_ioctl_quota_ctl_args { |
| 379 | __u64 cmd; |
| 380 | __u64 status; |
| 381 | }; |
| 382 | |
| 383 | struct btrfs_ioctl_qgroup_assign_args { |
| 384 | __u64 assign; |
| 385 | __u64 src; |
| 386 | __u64 dst; |
| 387 | }; |
| 388 | |
| 389 | struct btrfs_ioctl_qgroup_create_args { |
| 390 | __u64 create; |
| 391 | __u64 qgroupid; |
| 392 | }; |
Alexander Block | 8ea05e3 | 2012-07-25 17:35:53 +0200 | [diff] [blame] | 393 | struct btrfs_ioctl_timespec { |
| 394 | __u64 sec; |
| 395 | __u32 nsec; |
| 396 | }; |
| 397 | |
| 398 | struct btrfs_ioctl_received_subvol_args { |
| 399 | char uuid[BTRFS_UUID_SIZE]; /* in */ |
| 400 | __u64 stransid; /* in */ |
| 401 | __u64 rtransid; /* out */ |
| 402 | struct btrfs_ioctl_timespec stime; /* in */ |
| 403 | struct btrfs_ioctl_timespec rtime; /* out */ |
| 404 | __u64 flags; /* in */ |
| 405 | __u64 reserved[16]; /* in */ |
| 406 | }; |
| 407 | |
Alexander Block | 31db9f7 | 2012-07-25 23:19:24 +0200 | [diff] [blame] | 408 | struct btrfs_ioctl_send_args { |
| 409 | __s64 send_fd; /* in */ |
| 410 | __u64 clone_sources_count; /* in */ |
| 411 | __u64 __user *clone_sources; /* in */ |
| 412 | __u64 parent_root; /* in */ |
| 413 | __u64 flags; /* in */ |
| 414 | __u64 reserved[4]; /* in */ |
| 415 | }; |
Arne Jansen | 5d13a37 | 2011-09-14 15:53:51 +0200 | [diff] [blame] | 416 | |
Chris Mason | c5739bb | 2007-04-10 09:27:04 -0400 | [diff] [blame] | 417 | #define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, \ |
| 418 | struct btrfs_ioctl_vol_args) |
Chris Mason | 6702ed4 | 2007-08-07 16:15:09 -0400 | [diff] [blame] | 419 | #define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, \ |
Chris Mason | 8352d8a | 2007-04-12 10:43:05 -0400 | [diff] [blame] | 420 | struct btrfs_ioctl_vol_args) |
Chris Mason | edbd8d4 | 2007-12-21 16:27:24 -0500 | [diff] [blame] | 421 | #define BTRFS_IOC_RESIZE _IOW(BTRFS_IOCTL_MAGIC, 3, \ |
| 422 | struct btrfs_ioctl_vol_args) |
Chris Mason | 8a4b83c | 2008-03-24 15:02:07 -0400 | [diff] [blame] | 423 | #define BTRFS_IOC_SCAN_DEV _IOW(BTRFS_IOCTL_MAGIC, 4, \ |
| 424 | struct btrfs_ioctl_vol_args) |
Sage Weil | 6bf13c0 | 2008-06-10 10:07:39 -0400 | [diff] [blame] | 425 | /* trans start and trans end are dangerous, and only for |
| 426 | * use by applications that know how to avoid the |
| 427 | * resulting deadlocks |
| 428 | */ |
| 429 | #define BTRFS_IOC_TRANS_START _IO(BTRFS_IOCTL_MAGIC, 6) |
| 430 | #define BTRFS_IOC_TRANS_END _IO(BTRFS_IOCTL_MAGIC, 7) |
| 431 | #define BTRFS_IOC_SYNC _IO(BTRFS_IOCTL_MAGIC, 8) |
| 432 | |
Sage Weil | f2eb0a2 | 2008-05-02 14:43:14 -0400 | [diff] [blame] | 433 | #define BTRFS_IOC_CLONE _IOW(BTRFS_IOCTL_MAGIC, 9, int) |
Chris Mason | 788f20e | 2008-04-28 15:29:42 -0400 | [diff] [blame] | 434 | #define BTRFS_IOC_ADD_DEV _IOW(BTRFS_IOCTL_MAGIC, 10, \ |
| 435 | struct btrfs_ioctl_vol_args) |
| 436 | #define BTRFS_IOC_RM_DEV _IOW(BTRFS_IOCTL_MAGIC, 11, \ |
| 437 | struct btrfs_ioctl_vol_args) |
| 438 | #define BTRFS_IOC_BALANCE _IOW(BTRFS_IOCTL_MAGIC, 12, \ |
| 439 | struct btrfs_ioctl_vol_args) |
Sage Weil | c5c9cd4 | 2008-11-12 14:32:25 -0500 | [diff] [blame] | 440 | |
| 441 | #define BTRFS_IOC_CLONE_RANGE _IOW(BTRFS_IOCTL_MAGIC, 13, \ |
| 442 | struct btrfs_ioctl_clone_range_args) |
| 443 | |
Chris Mason | 3de4586 | 2008-11-17 21:02:50 -0500 | [diff] [blame] | 444 | #define BTRFS_IOC_SUBVOL_CREATE _IOW(BTRFS_IOCTL_MAGIC, 14, \ |
| 445 | struct btrfs_ioctl_vol_args) |
Yan, Zheng | 76dda93 | 2009-09-21 16:00:26 -0400 | [diff] [blame] | 446 | #define BTRFS_IOC_SNAP_DESTROY _IOW(BTRFS_IOCTL_MAGIC, 15, \ |
| 447 | struct btrfs_ioctl_vol_args) |
Chris Mason | 1e701a3 | 2010-03-11 09:42:04 -0500 | [diff] [blame] | 448 | #define BTRFS_IOC_DEFRAG_RANGE _IOW(BTRFS_IOCTL_MAGIC, 16, \ |
| 449 | struct btrfs_ioctl_defrag_range_args) |
Chris Mason | ac8e981 | 2010-02-28 15:39:26 -0500 | [diff] [blame] | 450 | #define BTRFS_IOC_TREE_SEARCH _IOWR(BTRFS_IOCTL_MAGIC, 17, \ |
| 451 | struct btrfs_ioctl_search_args) |
| 452 | #define BTRFS_IOC_INO_LOOKUP _IOWR(BTRFS_IOCTL_MAGIC, 18, \ |
| 453 | struct btrfs_ioctl_ino_lookup_args) |
Josef Bacik | 6ef5ed0 | 2009-12-11 21:11:29 +0000 | [diff] [blame] | 454 | #define BTRFS_IOC_DEFAULT_SUBVOL _IOW(BTRFS_IOCTL_MAGIC, 19, u64) |
Josef Bacik | 1406e43 | 2010-01-13 18:19:06 +0000 | [diff] [blame] | 455 | #define BTRFS_IOC_SPACE_INFO _IOWR(BTRFS_IOCTL_MAGIC, 20, \ |
| 456 | struct btrfs_ioctl_space_args) |
Sage Weil | 4620459 | 2010-10-29 15:41:32 -0400 | [diff] [blame] | 457 | #define BTRFS_IOC_START_SYNC _IOR(BTRFS_IOCTL_MAGIC, 24, __u64) |
| 458 | #define BTRFS_IOC_WAIT_SYNC _IOW(BTRFS_IOCTL_MAGIC, 22, __u64) |
Li Zefan | fdfb1e4 | 2010-12-10 06:41:56 +0000 | [diff] [blame] | 459 | #define BTRFS_IOC_SNAP_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 23, \ |
| 460 | struct btrfs_ioctl_vol_args_v2) |
Arne Jansen | 6f72c7e | 2011-09-14 15:58:21 +0200 | [diff] [blame] | 461 | #define BTRFS_IOC_SUBVOL_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 24, \ |
| 462 | struct btrfs_ioctl_vol_args_v2) |
Alexander Block | d3a9404 | 2012-06-25 15:36:12 -0600 | [diff] [blame] | 463 | #define BTRFS_IOC_SUBVOL_GETFLAGS _IOR(BTRFS_IOCTL_MAGIC, 25, __u64) |
Li Zefan | 0caa102 | 2010-12-20 16:30:25 +0800 | [diff] [blame] | 464 | #define BTRFS_IOC_SUBVOL_SETFLAGS _IOW(BTRFS_IOCTL_MAGIC, 26, __u64) |
Jan Schmidt | 475f638 | 2011-03-11 15:41:01 +0100 | [diff] [blame] | 465 | #define BTRFS_IOC_SCRUB _IOWR(BTRFS_IOCTL_MAGIC, 27, \ |
| 466 | struct btrfs_ioctl_scrub_args) |
| 467 | #define BTRFS_IOC_SCRUB_CANCEL _IO(BTRFS_IOCTL_MAGIC, 28) |
| 468 | #define BTRFS_IOC_SCRUB_PROGRESS _IOWR(BTRFS_IOCTL_MAGIC, 29, \ |
| 469 | struct btrfs_ioctl_scrub_args) |
| 470 | #define BTRFS_IOC_DEV_INFO _IOWR(BTRFS_IOCTL_MAGIC, 30, \ |
| 471 | struct btrfs_ioctl_dev_info_args) |
| 472 | #define BTRFS_IOC_FS_INFO _IOR(BTRFS_IOCTL_MAGIC, 31, \ |
| 473 | struct btrfs_ioctl_fs_info_args) |
Ilya Dryomov | c9e9f97 | 2012-01-16 22:04:47 +0200 | [diff] [blame] | 474 | #define BTRFS_IOC_BALANCE_V2 _IOWR(BTRFS_IOCTL_MAGIC, 32, \ |
| 475 | struct btrfs_ioctl_balance_args) |
Ilya Dryomov | 837d5b6 | 2012-01-16 22:04:49 +0200 | [diff] [blame] | 476 | #define BTRFS_IOC_BALANCE_CTL _IOW(BTRFS_IOCTL_MAGIC, 33, int) |
Ilya Dryomov | 19a39dc | 2012-01-16 22:04:49 +0200 | [diff] [blame] | 477 | #define BTRFS_IOC_BALANCE_PROGRESS _IOR(BTRFS_IOCTL_MAGIC, 34, \ |
| 478 | struct btrfs_ioctl_balance_args) |
Jan Schmidt | d7728c9 | 2011-07-07 16:48:38 +0200 | [diff] [blame] | 479 | #define BTRFS_IOC_INO_PATHS _IOWR(BTRFS_IOCTL_MAGIC, 35, \ |
| 480 | struct btrfs_ioctl_ino_path_args) |
| 481 | #define BTRFS_IOC_LOGICAL_INO _IOWR(BTRFS_IOCTL_MAGIC, 36, \ |
| 482 | struct btrfs_ioctl_ino_path_args) |
Alexander Block | 8ea05e3 | 2012-07-25 17:35:53 +0200 | [diff] [blame] | 483 | #define BTRFS_IOC_SET_RECEIVED_SUBVOL _IOWR(BTRFS_IOCTL_MAGIC, 37, \ |
| 484 | struct btrfs_ioctl_received_subvol_args) |
Alexander Block | 31db9f7 | 2012-07-25 23:19:24 +0200 | [diff] [blame] | 485 | #define BTRFS_IOC_SEND _IOW(BTRFS_IOCTL_MAGIC, 38, struct btrfs_ioctl_send_args) |
Josef Bacik | 02db084 | 2012-06-21 16:03:58 -0400 | [diff] [blame] | 486 | #define BTRFS_IOC_DEVICES_READY _IOR(BTRFS_IOCTL_MAGIC, 39, \ |
| 487 | struct btrfs_ioctl_vol_args) |
Arne Jansen | 5d13a37 | 2011-09-14 15:53:51 +0200 | [diff] [blame] | 488 | #define BTRFS_IOC_QUOTA_CTL _IOWR(BTRFS_IOCTL_MAGIC, 40, \ |
| 489 | struct btrfs_ioctl_quota_ctl_args) |
| 490 | #define BTRFS_IOC_QGROUP_ASSIGN _IOW(BTRFS_IOCTL_MAGIC, 41, \ |
| 491 | struct btrfs_ioctl_qgroup_assign_args) |
| 492 | #define BTRFS_IOC_QGROUP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 42, \ |
| 493 | struct btrfs_ioctl_qgroup_create_args) |
| 494 | #define BTRFS_IOC_QGROUP_LIMIT _IOR(BTRFS_IOCTL_MAGIC, 43, \ |
| 495 | struct btrfs_ioctl_qgroup_limit_args) |
Stefan Behrens | c11d2c2 | 2012-05-25 16:06:09 +0200 | [diff] [blame] | 496 | #define BTRFS_IOC_GET_DEV_STATS _IOWR(BTRFS_IOCTL_MAGIC, 52, \ |
| 497 | struct btrfs_ioctl_get_dev_stats) |
Stefan Behrens | e93c89c | 2012-11-05 17:33:06 +0100 | [diff] [blame^] | 498 | #define BTRFS_IOC_DEV_REPLACE _IOWR(BTRFS_IOCTL_MAGIC, 53, \ |
| 499 | struct btrfs_ioctl_dev_replace_args) |
| 500 | |
Chris Mason | c5739bb | 2007-04-10 09:27:04 -0400 | [diff] [blame] | 501 | #endif |