| /**************************************************************************** |
| **************************************************************************** |
| *** |
| *** This header was automatically generated from a Linux kernel header |
| *** of the same name, to make information necessary for userspace to |
| *** call into the kernel available to libc. It contains only constants, |
| *** structures, and macros generated from the original header, and thus, |
| *** contains no copyrightable information. |
| *** |
| *** To edit the content of this header, modify the corresponding |
| *** source file (e.g. under external/kernel-headers/original/) then |
| *** run bionic/libc/kernel/tools/update_all.py |
| *** |
| *** Any manual change here will be lost the next time this script will |
| *** be run. You've been warned! |
| *** |
| **************************************************************************** |
| ****************************************************************************/ |
| #ifndef _BTRFS_CTREE_H_ |
| #define _BTRFS_CTREE_H_ |
| #include <linux/btrfs.h> |
| #include <linux/types.h> |
| #define BTRFS_ROOT_TREE_OBJECTID 1ULL |
| #define BTRFS_EXTENT_TREE_OBJECTID 2ULL |
| #define BTRFS_CHUNK_TREE_OBJECTID 3ULL |
| #define BTRFS_DEV_TREE_OBJECTID 4ULL |
| #define BTRFS_FS_TREE_OBJECTID 5ULL |
| #define BTRFS_ROOT_TREE_DIR_OBJECTID 6ULL |
| #define BTRFS_CSUM_TREE_OBJECTID 7ULL |
| #define BTRFS_QUOTA_TREE_OBJECTID 8ULL |
| #define BTRFS_UUID_TREE_OBJECTID 9ULL |
| #define BTRFS_FREE_SPACE_TREE_OBJECTID 10ULL |
| #define BTRFS_DEV_STATS_OBJECTID 0ULL |
| #define BTRFS_BALANCE_OBJECTID - 4ULL |
| #define BTRFS_ORPHAN_OBJECTID - 5ULL |
| #define BTRFS_TREE_LOG_OBJECTID - 6ULL |
| #define BTRFS_TREE_LOG_FIXUP_OBJECTID - 7ULL |
| #define BTRFS_TREE_RELOC_OBJECTID - 8ULL |
| #define BTRFS_DATA_RELOC_TREE_OBJECTID - 9ULL |
| #define BTRFS_EXTENT_CSUM_OBJECTID - 10ULL |
| #define BTRFS_FREE_SPACE_OBJECTID - 11ULL |
| #define BTRFS_FREE_INO_OBJECTID - 12ULL |
| #define BTRFS_MULTIPLE_OBJECTIDS - 255ULL |
| #define BTRFS_FIRST_FREE_OBJECTID 256ULL |
| #define BTRFS_LAST_FREE_OBJECTID - 256ULL |
| #define BTRFS_FIRST_CHUNK_TREE_OBJECTID 256ULL |
| #define BTRFS_DEV_ITEMS_OBJECTID 1ULL |
| #define BTRFS_BTREE_INODE_OBJECTID 1 |
| #define BTRFS_EMPTY_SUBVOL_DIR_OBJECTID 2 |
| #define BTRFS_DEV_REPLACE_DEVID 0ULL |
| #define BTRFS_INODE_ITEM_KEY 1 |
| #define BTRFS_INODE_REF_KEY 12 |
| #define BTRFS_INODE_EXTREF_KEY 13 |
| #define BTRFS_XATTR_ITEM_KEY 24 |
| #define BTRFS_ORPHAN_ITEM_KEY 48 |
| #define BTRFS_DIR_LOG_ITEM_KEY 60 |
| #define BTRFS_DIR_LOG_INDEX_KEY 72 |
| #define BTRFS_DIR_ITEM_KEY 84 |
| #define BTRFS_DIR_INDEX_KEY 96 |
| #define BTRFS_EXTENT_DATA_KEY 108 |
| #define BTRFS_EXTENT_CSUM_KEY 128 |
| #define BTRFS_ROOT_ITEM_KEY 132 |
| #define BTRFS_ROOT_BACKREF_KEY 144 |
| #define BTRFS_ROOT_REF_KEY 156 |
| #define BTRFS_EXTENT_ITEM_KEY 168 |
| #define BTRFS_METADATA_ITEM_KEY 169 |
| #define BTRFS_TREE_BLOCK_REF_KEY 176 |
| #define BTRFS_EXTENT_DATA_REF_KEY 178 |
| #define BTRFS_EXTENT_REF_V0_KEY 180 |
| #define BTRFS_SHARED_BLOCK_REF_KEY 182 |
| #define BTRFS_SHARED_DATA_REF_KEY 184 |
| #define BTRFS_BLOCK_GROUP_ITEM_KEY 192 |
| #define BTRFS_FREE_SPACE_INFO_KEY 198 |
| #define BTRFS_FREE_SPACE_EXTENT_KEY 199 |
| #define BTRFS_FREE_SPACE_BITMAP_KEY 200 |
| #define BTRFS_DEV_EXTENT_KEY 204 |
| #define BTRFS_DEV_ITEM_KEY 216 |
| #define BTRFS_CHUNK_ITEM_KEY 228 |
| #define BTRFS_QGROUP_STATUS_KEY 240 |
| #define BTRFS_QGROUP_INFO_KEY 242 |
| #define BTRFS_QGROUP_LIMIT_KEY 244 |
| #define BTRFS_QGROUP_RELATION_KEY 246 |
| #define BTRFS_BALANCE_ITEM_KEY 248 |
| #define BTRFS_TEMPORARY_ITEM_KEY 248 |
| #define BTRFS_DEV_STATS_KEY 249 |
| #define BTRFS_PERSISTENT_ITEM_KEY 249 |
| #define BTRFS_DEV_REPLACE_KEY 250 |
| #if BTRFS_UUID_SIZE != 16 |
| #error "UUID items require BTRFS_UUID_SIZE == 16!" |
| #endif |
| #define BTRFS_UUID_KEY_SUBVOL 251 |
| #define BTRFS_UUID_KEY_RECEIVED_SUBVOL 252 |
| #define BTRFS_STRING_ITEM_KEY 253 |
| #define BTRFS_CSUM_SIZE 32 |
| #define BTRFS_CSUM_TYPE_CRC32 0 |
| #define BTRFS_FT_UNKNOWN 0 |
| #define BTRFS_FT_REG_FILE 1 |
| #define BTRFS_FT_DIR 2 |
| #define BTRFS_FT_CHRDEV 3 |
| #define BTRFS_FT_BLKDEV 4 |
| #define BTRFS_FT_FIFO 5 |
| #define BTRFS_FT_SOCK 6 |
| #define BTRFS_FT_SYMLINK 7 |
| #define BTRFS_FT_XATTR 8 |
| #define BTRFS_FT_MAX 9 |
| struct btrfs_disk_key { |
| __le64 objectid; |
| __u8 type; |
| __le64 offset; |
| } __attribute__((__packed__)); |
| struct btrfs_key { |
| __u64 objectid; |
| __u8 type; |
| __u64 offset; |
| } __attribute__((__packed__)); |
| struct btrfs_dev_item { |
| __le64 devid; |
| __le64 total_bytes; |
| __le64 bytes_used; |
| __le32 io_align; |
| __le32 io_width; |
| __le32 sector_size; |
| __le64 type; |
| __le64 generation; |
| __le64 start_offset; |
| __le32 dev_group; |
| __u8 seek_speed; |
| __u8 bandwidth; |
| __u8 uuid[BTRFS_UUID_SIZE]; |
| __u8 fsid[BTRFS_UUID_SIZE]; |
| } __attribute__((__packed__)); |
| struct btrfs_stripe { |
| __le64 devid; |
| __le64 offset; |
| __u8 dev_uuid[BTRFS_UUID_SIZE]; |
| } __attribute__((__packed__)); |
| struct btrfs_chunk { |
| __le64 length; |
| __le64 owner; |
| __le64 stripe_len; |
| __le64 type; |
| __le32 io_align; |
| __le32 io_width; |
| __le32 sector_size; |
| __le16 num_stripes; |
| __le16 sub_stripes; |
| struct btrfs_stripe stripe; |
| } __attribute__((__packed__)); |
| #define BTRFS_FREE_SPACE_EXTENT 1 |
| #define BTRFS_FREE_SPACE_BITMAP 2 |
| struct btrfs_free_space_entry { |
| __le64 offset; |
| __le64 bytes; |
| __u8 type; |
| } __attribute__((__packed__)); |
| struct btrfs_free_space_header { |
| struct btrfs_disk_key location; |
| __le64 generation; |
| __le64 num_entries; |
| __le64 num_bitmaps; |
| } __attribute__((__packed__)); |
| #define BTRFS_HEADER_FLAG_WRITTEN (1ULL << 0) |
| #define BTRFS_HEADER_FLAG_RELOC (1ULL << 1) |
| #define BTRFS_SUPER_FLAG_ERROR (1ULL << 2) |
| #define BTRFS_SUPER_FLAG_SEEDING (1ULL << 32) |
| #define BTRFS_SUPER_FLAG_METADUMP (1ULL << 33) |
| #define BTRFS_SUPER_FLAG_METADUMP_V2 (1ULL << 34) |
| #define BTRFS_SUPER_FLAG_CHANGING_FSID (1ULL << 35) |
| #define BTRFS_SUPER_FLAG_CHANGING_FSID_V2 (1ULL << 36) |
| struct btrfs_extent_item { |
| __le64 refs; |
| __le64 generation; |
| __le64 flags; |
| } __attribute__((__packed__)); |
| struct btrfs_extent_item_v0 { |
| __le32 refs; |
| } __attribute__((__packed__)); |
| #define BTRFS_EXTENT_FLAG_DATA (1ULL << 0) |
| #define BTRFS_EXTENT_FLAG_TREE_BLOCK (1ULL << 1) |
| #define BTRFS_BLOCK_FLAG_FULL_BACKREF (1ULL << 8) |
| #define BTRFS_EXTENT_FLAG_SUPER (1ULL << 48) |
| struct btrfs_tree_block_info { |
| struct btrfs_disk_key key; |
| __u8 level; |
| } __attribute__((__packed__)); |
| struct btrfs_extent_data_ref { |
| __le64 root; |
| __le64 objectid; |
| __le64 offset; |
| __le32 count; |
| } __attribute__((__packed__)); |
| struct btrfs_shared_data_ref { |
| __le32 count; |
| } __attribute__((__packed__)); |
| struct btrfs_extent_inline_ref { |
| __u8 type; |
| __le64 offset; |
| } __attribute__((__packed__)); |
| struct btrfs_extent_ref_v0 { |
| __le64 root; |
| __le64 generation; |
| __le64 objectid; |
| __le32 count; |
| } __attribute__((__packed__)); |
| struct btrfs_dev_extent { |
| __le64 chunk_tree; |
| __le64 chunk_objectid; |
| __le64 chunk_offset; |
| __le64 length; |
| __u8 chunk_tree_uuid[BTRFS_UUID_SIZE]; |
| } __attribute__((__packed__)); |
| struct btrfs_inode_ref { |
| __le64 index; |
| __le16 name_len; |
| } __attribute__((__packed__)); |
| struct btrfs_inode_extref { |
| __le64 parent_objectid; |
| __le64 index; |
| __le16 name_len; |
| __u8 name[0]; |
| } __attribute__((__packed__)); |
| struct btrfs_timespec { |
| __le64 sec; |
| __le32 nsec; |
| } __attribute__((__packed__)); |
| struct btrfs_inode_item { |
| __le64 generation; |
| __le64 transid; |
| __le64 size; |
| __le64 nbytes; |
| __le64 block_group; |
| __le32 nlink; |
| __le32 uid; |
| __le32 gid; |
| __le32 mode; |
| __le64 rdev; |
| __le64 flags; |
| __le64 sequence; |
| __le64 reserved[4]; |
| struct btrfs_timespec atime; |
| struct btrfs_timespec ctime; |
| struct btrfs_timespec mtime; |
| struct btrfs_timespec otime; |
| } __attribute__((__packed__)); |
| struct btrfs_dir_log_item { |
| __le64 end; |
| } __attribute__((__packed__)); |
| struct btrfs_dir_item { |
| struct btrfs_disk_key location; |
| __le64 transid; |
| __le16 data_len; |
| __le16 name_len; |
| __u8 type; |
| } __attribute__((__packed__)); |
| #define BTRFS_ROOT_SUBVOL_RDONLY (1ULL << 0) |
| #define BTRFS_ROOT_SUBVOL_DEAD (1ULL << 48) |
| struct btrfs_root_item { |
| struct btrfs_inode_item inode; |
| __le64 generation; |
| __le64 root_dirid; |
| __le64 bytenr; |
| __le64 byte_limit; |
| __le64 bytes_used; |
| __le64 last_snapshot; |
| __le64 flags; |
| __le32 refs; |
| struct btrfs_disk_key drop_progress; |
| __u8 drop_level; |
| __u8 level; |
| __le64 generation_v2; |
| __u8 uuid[BTRFS_UUID_SIZE]; |
| __u8 parent_uuid[BTRFS_UUID_SIZE]; |
| __u8 received_uuid[BTRFS_UUID_SIZE]; |
| __le64 ctransid; |
| __le64 otransid; |
| __le64 stransid; |
| __le64 rtransid; |
| struct btrfs_timespec ctime; |
| struct btrfs_timespec otime; |
| struct btrfs_timespec stime; |
| struct btrfs_timespec rtime; |
| __le64 reserved[8]; |
| } __attribute__((__packed__)); |
| struct btrfs_root_ref { |
| __le64 dirid; |
| __le64 sequence; |
| __le16 name_len; |
| } __attribute__((__packed__)); |
| struct btrfs_disk_balance_args { |
| __le64 profiles; |
| union { |
| __le64 usage; |
| struct { |
| __le32 usage_min; |
| __le32 usage_max; |
| }; |
| }; |
| __le64 devid; |
| __le64 pstart; |
| __le64 pend; |
| __le64 vstart; |
| __le64 vend; |
| __le64 target; |
| __le64 flags; |
| union { |
| __le64 limit; |
| struct { |
| __le32 limit_min; |
| __le32 limit_max; |
| }; |
| }; |
| __le32 stripes_min; |
| __le32 stripes_max; |
| __le64 unused[6]; |
| } __attribute__((__packed__)); |
| struct btrfs_balance_item { |
| __le64 flags; |
| struct btrfs_disk_balance_args data; |
| struct btrfs_disk_balance_args meta; |
| struct btrfs_disk_balance_args sys; |
| __le64 unused[4]; |
| } __attribute__((__packed__)); |
| #define BTRFS_FILE_EXTENT_INLINE 0 |
| #define BTRFS_FILE_EXTENT_REG 1 |
| #define BTRFS_FILE_EXTENT_PREALLOC 2 |
| #define BTRFS_FILE_EXTENT_TYPES 2 |
| struct btrfs_file_extent_item { |
| __le64 generation; |
| __le64 ram_bytes; |
| __u8 compression; |
| __u8 encryption; |
| __le16 other_encoding; |
| __u8 type; |
| __le64 disk_bytenr; |
| __le64 disk_num_bytes; |
| __le64 offset; |
| __le64 num_bytes; |
| } __attribute__((__packed__)); |
| struct btrfs_csum_item { |
| __u8 csum; |
| } __attribute__((__packed__)); |
| struct btrfs_dev_stats_item { |
| __le64 values[BTRFS_DEV_STAT_VALUES_MAX]; |
| } __attribute__((__packed__)); |
| #define BTRFS_DEV_REPLACE_ITEM_CONT_READING_FROM_SRCDEV_MODE_ALWAYS 0 |
| #define BTRFS_DEV_REPLACE_ITEM_CONT_READING_FROM_SRCDEV_MODE_AVOID 1 |
| #define BTRFS_DEV_REPLACE_ITEM_STATE_NEVER_STARTED 0 |
| #define BTRFS_DEV_REPLACE_ITEM_STATE_STARTED 1 |
| #define BTRFS_DEV_REPLACE_ITEM_STATE_SUSPENDED 2 |
| #define BTRFS_DEV_REPLACE_ITEM_STATE_FINISHED 3 |
| #define BTRFS_DEV_REPLACE_ITEM_STATE_CANCELED 4 |
| struct btrfs_dev_replace_item { |
| __le64 src_devid; |
| __le64 cursor_left; |
| __le64 cursor_right; |
| __le64 cont_reading_from_srcdev_mode; |
| __le64 replace_state; |
| __le64 time_started; |
| __le64 time_stopped; |
| __le64 num_write_errors; |
| __le64 num_uncorrectable_read_errors; |
| } __attribute__((__packed__)); |
| #define BTRFS_BLOCK_GROUP_DATA (1ULL << 0) |
| #define BTRFS_BLOCK_GROUP_SYSTEM (1ULL << 1) |
| #define BTRFS_BLOCK_GROUP_METADATA (1ULL << 2) |
| #define BTRFS_BLOCK_GROUP_RAID0 (1ULL << 3) |
| #define BTRFS_BLOCK_GROUP_RAID1 (1ULL << 4) |
| #define BTRFS_BLOCK_GROUP_DUP (1ULL << 5) |
| #define BTRFS_BLOCK_GROUP_RAID10 (1ULL << 6) |
| #define BTRFS_BLOCK_GROUP_RAID5 (1ULL << 7) |
| #define BTRFS_BLOCK_GROUP_RAID6 (1ULL << 8) |
| #define BTRFS_BLOCK_GROUP_RESERVED (BTRFS_AVAIL_ALLOC_BIT_SINGLE | BTRFS_SPACE_INFO_GLOBAL_RSV) |
| enum btrfs_raid_types { |
| BTRFS_RAID_RAID10, |
| BTRFS_RAID_RAID1, |
| BTRFS_RAID_DUP, |
| BTRFS_RAID_RAID0, |
| BTRFS_RAID_SINGLE, |
| BTRFS_RAID_RAID5, |
| BTRFS_RAID_RAID6, |
| BTRFS_NR_RAID_TYPES |
| }; |
| #define BTRFS_BLOCK_GROUP_TYPE_MASK (BTRFS_BLOCK_GROUP_DATA | BTRFS_BLOCK_GROUP_SYSTEM | BTRFS_BLOCK_GROUP_METADATA) |
| #define BTRFS_BLOCK_GROUP_PROFILE_MASK (BTRFS_BLOCK_GROUP_RAID0 | BTRFS_BLOCK_GROUP_RAID1 | BTRFS_BLOCK_GROUP_RAID5 | BTRFS_BLOCK_GROUP_RAID6 | BTRFS_BLOCK_GROUP_DUP | BTRFS_BLOCK_GROUP_RAID10) |
| #define BTRFS_BLOCK_GROUP_RAID56_MASK (BTRFS_BLOCK_GROUP_RAID5 | BTRFS_BLOCK_GROUP_RAID6) |
| #define BTRFS_BLOCK_GROUP_RAID1_MASK (BTRFS_BLOCK_GROUP_RAID1) |
| #define BTRFS_AVAIL_ALLOC_BIT_SINGLE (1ULL << 48) |
| #define BTRFS_SPACE_INFO_GLOBAL_RSV (1ULL << 49) |
| #define BTRFS_EXTENDED_PROFILE_MASK (BTRFS_BLOCK_GROUP_PROFILE_MASK | BTRFS_AVAIL_ALLOC_BIT_SINGLE) |
| struct btrfs_block_group_item { |
| __le64 used; |
| __le64 chunk_objectid; |
| __le64 flags; |
| } __attribute__((__packed__)); |
| struct btrfs_free_space_info { |
| __le32 extent_count; |
| __le32 flags; |
| } __attribute__((__packed__)); |
| #define BTRFS_FREE_SPACE_USING_BITMAPS (1ULL << 0) |
| #define BTRFS_QGROUP_LEVEL_SHIFT 48 |
| #define BTRFS_QGROUP_STATUS_FLAG_ON (1ULL << 0) |
| #define BTRFS_QGROUP_STATUS_FLAG_RESCAN (1ULL << 1) |
| #define BTRFS_QGROUP_STATUS_FLAG_INCONSISTENT (1ULL << 2) |
| #define BTRFS_QGROUP_STATUS_VERSION 1 |
| struct btrfs_qgroup_status_item { |
| __le64 version; |
| __le64 generation; |
| __le64 flags; |
| __le64 rescan; |
| } __attribute__((__packed__)); |
| struct btrfs_qgroup_info_item { |
| __le64 generation; |
| __le64 rfer; |
| __le64 rfer_cmpr; |
| __le64 excl; |
| __le64 excl_cmpr; |
| } __attribute__((__packed__)); |
| struct btrfs_qgroup_limit_item { |
| __le64 flags; |
| __le64 max_rfer; |
| __le64 max_excl; |
| __le64 rsv_rfer; |
| __le64 rsv_excl; |
| } __attribute__((__packed__)); |
| #endif |