mirror of
https://github.com/kdave/btrfs-progs
synced 2024-12-13 01:46:14 +00:00
bb7db09e46
Let libbtrfs use own copy of the exported header files to avoid potential breakage when syncing with kernel headers and also to remove declarations that are not used by userspace. The send.h is frozen to support protocol v1. Signed-off-by: David Sterba <dsterba@suse.com>
148 lines
3.0 KiB
C
148 lines
3.0 KiB
C
/*
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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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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License v2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 021110-1307, USA.
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*/
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#ifndef __BTRFS_SEND_H__
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#define __BTRFS_SEND_H__
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#if BTRFS_FLAT_INCLUDES
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#include "libbtrfs/ctree.h"
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#else
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#include <btrfs/ctree.h>
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#endif /* BTRFS_FLAT_INCLUDES */
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#ifdef __cplusplus
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extern "C" {
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#endif
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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 (64 * 1024)
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#define BTRFS_SEND_READ_SIZE (1024 * 48)
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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 __cplusplus
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}
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#endif
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#endif
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