cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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send.h (2472B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2/*
      3 * Copyright (C) 2012 Alexander Block.  All rights reserved.
      4 * Copyright (C) 2012 STRATO.  All rights reserved.
      5 */
      6
      7#ifndef BTRFS_SEND_H
      8#define BTRFS_SEND_H
      9
     10#include "ctree.h"
     11
     12#define BTRFS_SEND_STREAM_MAGIC "btrfs-stream"
     13#define BTRFS_SEND_STREAM_VERSION 1
     14
     15#define BTRFS_SEND_BUF_SIZE SZ_64K
     16
     17enum 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
     28struct btrfs_stream_header {
     29	char magic[sizeof(BTRFS_SEND_STREAM_MAGIC)];
     30	__le32 version;
     31} __attribute__ ((__packed__));
     32
     33struct 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
     41struct btrfs_tlv_header {
     42	__le16 tlv_type;
     43	/* len excluding the header */
     44	__le16 tlv_len;
     45} __attribute__ ((__packed__));
     46
     47/* commands */
     48enum btrfs_send_cmd {
     49	BTRFS_SEND_C_UNSPEC,
     50
     51	/* Version 1 */
     52	BTRFS_SEND_C_SUBVOL,
     53	BTRFS_SEND_C_SNAPSHOT,
     54
     55	BTRFS_SEND_C_MKFILE,
     56	BTRFS_SEND_C_MKDIR,
     57	BTRFS_SEND_C_MKNOD,
     58	BTRFS_SEND_C_MKFIFO,
     59	BTRFS_SEND_C_MKSOCK,
     60	BTRFS_SEND_C_SYMLINK,
     61
     62	BTRFS_SEND_C_RENAME,
     63	BTRFS_SEND_C_LINK,
     64	BTRFS_SEND_C_UNLINK,
     65	BTRFS_SEND_C_RMDIR,
     66
     67	BTRFS_SEND_C_SET_XATTR,
     68	BTRFS_SEND_C_REMOVE_XATTR,
     69
     70	BTRFS_SEND_C_WRITE,
     71	BTRFS_SEND_C_CLONE,
     72
     73	BTRFS_SEND_C_TRUNCATE,
     74	BTRFS_SEND_C_CHMOD,
     75	BTRFS_SEND_C_CHOWN,
     76	BTRFS_SEND_C_UTIMES,
     77
     78	BTRFS_SEND_C_END,
     79	BTRFS_SEND_C_UPDATE_EXTENT,
     80	__BTRFS_SEND_C_MAX_V1,
     81
     82	/* Version 2 */
     83	__BTRFS_SEND_C_MAX_V2,
     84
     85	/* End */
     86	__BTRFS_SEND_C_MAX,
     87};
     88#define BTRFS_SEND_C_MAX (__BTRFS_SEND_C_MAX - 1)
     89
     90/* attributes in send stream */
     91enum {
     92	BTRFS_SEND_A_UNSPEC,
     93
     94	BTRFS_SEND_A_UUID,
     95	BTRFS_SEND_A_CTRANSID,
     96
     97	BTRFS_SEND_A_INO,
     98	BTRFS_SEND_A_SIZE,
     99	BTRFS_SEND_A_MODE,
    100	BTRFS_SEND_A_UID,
    101	BTRFS_SEND_A_GID,
    102	BTRFS_SEND_A_RDEV,
    103	BTRFS_SEND_A_CTIME,
    104	BTRFS_SEND_A_MTIME,
    105	BTRFS_SEND_A_ATIME,
    106	BTRFS_SEND_A_OTIME,
    107
    108	BTRFS_SEND_A_XATTR_NAME,
    109	BTRFS_SEND_A_XATTR_DATA,
    110
    111	BTRFS_SEND_A_PATH,
    112	BTRFS_SEND_A_PATH_TO,
    113	BTRFS_SEND_A_PATH_LINK,
    114
    115	BTRFS_SEND_A_FILE_OFFSET,
    116	BTRFS_SEND_A_DATA,
    117
    118	BTRFS_SEND_A_CLONE_UUID,
    119	BTRFS_SEND_A_CLONE_CTRANSID,
    120	BTRFS_SEND_A_CLONE_PATH,
    121	BTRFS_SEND_A_CLONE_OFFSET,
    122	BTRFS_SEND_A_CLONE_LEN,
    123
    124	__BTRFS_SEND_A_MAX,
    125};
    126#define BTRFS_SEND_A_MAX (__BTRFS_SEND_A_MAX - 1)
    127
    128#ifdef __KERNEL__
    129long btrfs_ioctl_send(struct inode *inode, struct btrfs_ioctl_send_args *arg);
    130#endif
    131
    132#endif