/* 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 = 0,
/* Version 1 */
BTRFS_SEND_C_SUBVOL = 1,
BTRFS_SEND_C_SNAPSHOT = 2,
BTRFS_SEND_C_MKFILE = 3,
BTRFS_SEND_C_MKDIR = 4,
BTRFS_SEND_C_MKNOD = 5,
BTRFS_SEND_C_MKFIFO = 6,
BTRFS_SEND_C_MKSOCK = 7,
BTRFS_SEND_C_SYMLINK = 8,
BTRFS_SEND_C_RENAME = 9,
BTRFS_SEND_C_LINK = 10,
BTRFS_SEND_C_UNLINK = 11,
BTRFS_SEND_C_RMDIR = 12,
BTRFS_SEND_C_SET_XATTR = 13,
BTRFS_SEND_C_REMOVE_XATTR = 14,
BTRFS_SEND_C_WRITE = 15,
BTRFS_SEND_C_CLONE = 16,
BTRFS_SEND_C_TRUNCATE = 17,
BTRFS_SEND_C_CHMOD = 18,
BTRFS_SEND_C_CHOWN = 19,
BTRFS_SEND_C_UTIMES = 20,
BTRFS_SEND_C_END = 21,
BTRFS_SEND_C_UPDATE_EXTENT = 22,
BTRFS_SEND_C_MAX_V1 = 22,
/* Version 2 */
BTRFS_SEND_C_MAX_V2 = 22,
/* End */
BTRFS_SEND_C_MAX = 22,
};
/* attributes in send stream */
enum {
BTRFS_SEND_A_UNSPEC = 0,
BTRFS_SEND_A_UUID = 1,
BTRFS_SEND_A_CTRANSID = 2,
BTRFS_SEND_A_INO = 3,
BTRFS_SEND_A_SIZE = 4,
BTRFS_SEND_A_MODE = 5,
BTRFS_SEND_A_UID = 6,
BTRFS_SEND_A_GID = 7,
BTRFS_SEND_A_RDEV = 8,
BTRFS_SEND_A_CTIME = 9,
BTRFS_SEND_A_MTIME = 10,
BTRFS_SEND_A_ATIME = 11,
BTRFS_SEND_A_OTIME = 12,
BTRFS_SEND_A_XATTR_NAME = 13,
BTRFS_SEND_A_XATTR_DATA = 14,
BTRFS_SEND_A_PATH = 15,
BTRFS_SEND_A_PATH_TO = 16,
BTRFS_SEND_A_PATH_LINK = 17,
BTRFS_SEND_A_FILE_OFFSET = 18,
BTRFS_SEND_A_DATA = 19,
BTRFS_SEND_A_CLONE_UUID = 20,
BTRFS_SEND_A_CLONE_CTRANSID = 21,
BTRFS_SEND_A_CLONE_PATH = 22,
BTRFS_SEND_A_CLONE_OFFSET = 23,
BTRFS_SEND_A_CLONE_LEN = 24,
BTRFS_SEND_A_MAX = 24,
};
#ifdef __KERNEL__
long btrfs_ioctl_send(struct inode *inode, struct btrfs_ioctl_send_args *arg);
#endif
#endif
