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