projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 9888c340 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 31db9f7c AB |
2 | /* |
| 3 | * Copyright (C) 2012 Alexander Block. All rights reserved. | |
| 4 | * Copyright (C) 2012 STRATO. All rights reserved. | |
| 31db9f7c AB |
5 | */ |
| 6 | ||
| 9888c340 DS |
7 | #ifndef BTRFS_SEND_H |
| 8 | #define BTRFS_SEND_H | |
| 9 | ||
| 31db9f7c AB |
10 | #include "ctree.h" |
| 11 | ||
| 12 | #define BTRFS_SEND_STREAM_MAGIC "btrfs-stream" | |
| 13 | #define BTRFS_SEND_STREAM_VERSION 1 | |
| 14 | ||
| ee22184b BL |
15 | #define BTRFS_SEND_BUF_SIZE SZ_64K |
| 16 | #define BTRFS_SEND_READ_SIZE (48 * SZ_1K) | |
| 31db9f7c AB |
17 | |
| 18 | enum btrfs_tlv_type { | |
| 19 | BTRFS_TLV_U8, | |
| 20 | BTRFS_TLV_U16, | |
| 21 | BTRFS_TLV_U32, | |
| 22 | BTRFS_TLV_U64, | |
| 23 | BTRFS_TLV_BINARY, | |
| 24 | BTRFS_TLV_STRING, | |
| 25 | BTRFS_TLV_UUID, | |
| 26 | BTRFS_TLV_TIMESPEC, | |
| 27 | }; | |
| 28 | ||
| 29 | struct btrfs_stream_header { | |
| 30 | char magic[sizeof(BTRFS_SEND_STREAM_MAGIC)]; | |
| 31 | __le32 version; | |
| 32 | } __attribute__ ((__packed__)); | |
| 33 | ||
| 34 | struct btrfs_cmd_header { | |
| 35 | /* len excluding the header */ | |
| 36 | __le32 len; | |
| 37 | __le16 cmd; | |
| 38 | /* crc including the header with zero crc field */ | |
| 39 | __le32 crc; | |
| 40 | } __attribute__ ((__packed__)); | |
| 41 | ||
| 42 | struct btrfs_tlv_header { | |
| 43 | __le16 tlv_type; | |
| 44 | /* len excluding the header */ | |
| 45 | __le16 tlv_len; | |
| 46 | } __attribute__ ((__packed__)); | |
| 47 | ||
| 48 | /* commands */ | |
| 49 | enum btrfs_send_cmd { | |
| 50 | BTRFS_SEND_C_UNSPEC, | |
| 51 | ||
| 52 | BTRFS_SEND_C_SUBVOL, | |
| 53 | BTRFS_SEND_C_SNAPSHOT, | |
| 54 | ||
| 55 | BTRFS_SEND_C_MKFILE, | |
| 56 | BTRFS_SEND_C_MKDIR, | |
| 57 | BTRFS_SEND_C_MKNOD, | |
| 58 | BTRFS_SEND_C_MKFIFO, | |
| 59 | BTRFS_SEND_C_MKSOCK, | |
| 60 | BTRFS_SEND_C_SYMLINK, | |
| 61 | ||
| 62 | BTRFS_SEND_C_RENAME, | |
| 63 | BTRFS_SEND_C_LINK, | |
| 64 | BTRFS_SEND_C_UNLINK, | |
| 65 | BTRFS_SEND_C_RMDIR, | |
| 66 | ||
| 67 | BTRFS_SEND_C_SET_XATTR, | |
| 68 | BTRFS_SEND_C_REMOVE_XATTR, | |
| 69 | ||
| 70 | BTRFS_SEND_C_WRITE, | |
| 71 | BTRFS_SEND_C_CLONE, | |
| 72 | ||
| 73 | BTRFS_SEND_C_TRUNCATE, | |
| 74 | BTRFS_SEND_C_CHMOD, | |
| 75 | BTRFS_SEND_C_CHOWN, | |
| 76 | BTRFS_SEND_C_UTIMES, | |
| 77 | ||
| 78 | BTRFS_SEND_C_END, | |
| cb95e7bf | 79 | BTRFS_SEND_C_UPDATE_EXTENT, |
| 31db9f7c AB |
80 | __BTRFS_SEND_C_MAX, |
| 81 | }; | |
| 82 | #define BTRFS_SEND_C_MAX (__BTRFS_SEND_C_MAX - 1) | |
| 83 | ||
| 84 | /* attributes in send stream */ | |
| 85 | enum { | |
| 86 | BTRFS_SEND_A_UNSPEC, | |
| 87 | ||
| 88 | BTRFS_SEND_A_UUID, | |
| 89 | BTRFS_SEND_A_CTRANSID, | |
| 90 | ||
| 91 | BTRFS_SEND_A_INO, | |
| 92 | BTRFS_SEND_A_SIZE, | |
| 93 | BTRFS_SEND_A_MODE, | |
| 94 | BTRFS_SEND_A_UID, | |
| 95 | BTRFS_SEND_A_GID, | |
| 96 | BTRFS_SEND_A_RDEV, | |
| 97 | BTRFS_SEND_A_CTIME, | |
| 98 | BTRFS_SEND_A_MTIME, | |
| 99 | BTRFS_SEND_A_ATIME, | |
| 100 | BTRFS_SEND_A_OTIME, | |
| 101 | ||
| 102 | BTRFS_SEND_A_XATTR_NAME, | |
| 103 | BTRFS_SEND_A_XATTR_DATA, | |
| 104 | ||
| 105 | BTRFS_SEND_A_PATH, | |
| 106 | BTRFS_SEND_A_PATH_TO, | |
| 107 | BTRFS_SEND_A_PATH_LINK, | |
| 108 | ||
| 109 | BTRFS_SEND_A_FILE_OFFSET, | |
| 110 | BTRFS_SEND_A_DATA, | |
| 111 | ||
| 112 | BTRFS_SEND_A_CLONE_UUID, | |
| 113 | BTRFS_SEND_A_CLONE_CTRANSID, | |
| 114 | BTRFS_SEND_A_CLONE_PATH, | |
| 115 | BTRFS_SEND_A_CLONE_OFFSET, | |
| 116 | BTRFS_SEND_A_CLONE_LEN, | |
| 117 | ||
| 118 | __BTRFS_SEND_A_MAX, | |
| 119 | }; | |
| 120 | #define BTRFS_SEND_A_MAX (__BTRFS_SEND_A_MAX - 1) | |
| 121 | ||
| 122 | #ifdef __KERNEL__ | |
| 2351f431 | 123 | long btrfs_ioctl_send(struct file *mnt_file, struct btrfs_ioctl_send_args *arg); |
| 31db9f7c | 124 | #endif |
| 9888c340 DS |
125 | |
| 126 | #endif |