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| /* SPDX-License-Identifier: GPL-2.0 */
| /*
| * Copyright (C) 2012 Alexander Block. All rights reserved.
| * Copyright (C) 2012 STRATO. All rights reserved.
| */
|
| #ifndef BTRFS_SEND_H
| #define BTRFS_SEND_H
|
| #include "ctree.h"
|
| #define BTRFS_SEND_STREAM_MAGIC "btrfs-stream"
| #define BTRFS_SEND_STREAM_VERSION 1
|
| #define BTRFS_SEND_BUF_SIZE SZ_64K
|
| enum btrfs_tlv_type {
| BTRFS_TLV_U8,
| BTRFS_TLV_U16,
| BTRFS_TLV_U32,
| BTRFS_TLV_U64,
| BTRFS_TLV_BINARY,
| BTRFS_TLV_STRING,
| BTRFS_TLV_UUID,
| BTRFS_TLV_TIMESPEC,
| };
|
| struct btrfs_stream_header {
| char magic[sizeof(BTRFS_SEND_STREAM_MAGIC)];
| __le32 version;
| } __attribute__ ((__packed__));
|
| struct btrfs_cmd_header {
| /* len excluding the header */
| __le32 len;
| __le16 cmd;
| /* crc including the header with zero crc field */
| __le32 crc;
| } __attribute__ ((__packed__));
|
| struct btrfs_tlv_header {
| __le16 tlv_type;
| /* len excluding the header */
| __le16 tlv_len;
| } __attribute__ ((__packed__));
|
| /* commands */
| enum btrfs_send_cmd {
| BTRFS_SEND_C_UNSPEC,
|
| BTRFS_SEND_C_SUBVOL,
| BTRFS_SEND_C_SNAPSHOT,
|
| BTRFS_SEND_C_MKFILE,
| BTRFS_SEND_C_MKDIR,
| BTRFS_SEND_C_MKNOD,
| BTRFS_SEND_C_MKFIFO,
| BTRFS_SEND_C_MKSOCK,
| BTRFS_SEND_C_SYMLINK,
|
| BTRFS_SEND_C_RENAME,
| BTRFS_SEND_C_LINK,
| BTRFS_SEND_C_UNLINK,
| BTRFS_SEND_C_RMDIR,
|
| BTRFS_SEND_C_SET_XATTR,
| BTRFS_SEND_C_REMOVE_XATTR,
|
| BTRFS_SEND_C_WRITE,
| BTRFS_SEND_C_CLONE,
|
| BTRFS_SEND_C_TRUNCATE,
| BTRFS_SEND_C_CHMOD,
| BTRFS_SEND_C_CHOWN,
| BTRFS_SEND_C_UTIMES,
|
| BTRFS_SEND_C_END,
| BTRFS_SEND_C_UPDATE_EXTENT,
| __BTRFS_SEND_C_MAX,
| };
| #define BTRFS_SEND_C_MAX (__BTRFS_SEND_C_MAX - 1)
|
| /* attributes in send stream */
| enum {
| BTRFS_SEND_A_UNSPEC,
|
| BTRFS_SEND_A_UUID,
| BTRFS_SEND_A_CTRANSID,
|
| BTRFS_SEND_A_INO,
| BTRFS_SEND_A_SIZE,
| BTRFS_SEND_A_MODE,
| BTRFS_SEND_A_UID,
| BTRFS_SEND_A_GID,
| BTRFS_SEND_A_RDEV,
| BTRFS_SEND_A_CTIME,
| BTRFS_SEND_A_MTIME,
| BTRFS_SEND_A_ATIME,
| BTRFS_SEND_A_OTIME,
|
| BTRFS_SEND_A_XATTR_NAME,
| BTRFS_SEND_A_XATTR_DATA,
|
| BTRFS_SEND_A_PATH,
| BTRFS_SEND_A_PATH_TO,
| BTRFS_SEND_A_PATH_LINK,
|
| BTRFS_SEND_A_FILE_OFFSET,
| BTRFS_SEND_A_DATA,
|
| BTRFS_SEND_A_CLONE_UUID,
| BTRFS_SEND_A_CLONE_CTRANSID,
| BTRFS_SEND_A_CLONE_PATH,
| BTRFS_SEND_A_CLONE_OFFSET,
| BTRFS_SEND_A_CLONE_LEN,
|
| __BTRFS_SEND_A_MAX,
| };
| #define BTRFS_SEND_A_MAX (__BTRFS_SEND_A_MAX - 1)
|
| #ifdef __KERNEL__
| long btrfs_ioctl_send(struct file *mnt_file, struct btrfs_ioctl_send_args *arg);
| #endif
|
| #endif
|
|
