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