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platform_bionic/libc/kernel/uapi/linux/btrfs_tree.h
Christopher Ferris 05667cd66a Update to v5.11 kernel headers. 
Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-5.11

Test: Built cuttlefish and flame images. Ran bionic unit tests on both.
Change-Id: Ie60337aafad4bda55af99b6c8fe9f56bf2fa787f
2021-02-16 16:01:34 -08:00

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/****************************************************************************
****************************************************************************
***
*** 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>
#include <stddef.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_MAX_METADATA_BLOCKSIZE 65536
#define BTRFS_CSUM_SIZE 32
enum btrfs_csum_type {
BTRFS_CSUM_TYPE_CRC32 = 0,
BTRFS_CSUM_TYPE_XXHASH = 1,
BTRFS_CSUM_TYPE_SHA256 = 2,
BTRFS_CSUM_TYPE_BLAKE2 = 3,
};
#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_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__));
enum {
BTRFS_FILE_EXTENT_INLINE = 0,
BTRFS_FILE_EXTENT_REG = 1,
BTRFS_FILE_EXTENT_PREALLOC = 2,
BTRFS_NR_FILE_EXTENT_TYPES = 3,
};
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
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_RAID1C3 (1ULL << 9)
#define BTRFS_BLOCK_GROUP_RAID1C4 (1ULL << 10)
#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_RAID_RAID1C3,
BTRFS_RAID_RAID1C4,
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_RAID1C3 | BTRFS_BLOCK_GROUP_RAID1C4 | 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 | BTRFS_BLOCK_GROUP_RAID1C3 | BTRFS_BLOCK_GROUP_RAID1C4)
#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
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