4 * Structure definitions for io control for cifs/smb3
6 * Copyright (c) 2015 Steve French <steve.french@primarydata.com>
8 * This library is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU Lesser General Public License as published
10 * by the Free Software Foundation; either version 2.1 of the License, or
11 * (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
16 * the GNU Lesser General Public License for more details.
20 struct smb_mnt_fs_info {
21 __u32 version; /* 0001 */
24 __u32 vol_serial_number;
25 __u32 vol_create_time;
29 __u32 optimal_sector_size;
30 __u32 max_bytes_chunk;
32 __u32 max_path_component;
34 __u32 device_characteristics;
36 __u64 cifs_posix_caps;
39 struct smb_snapshot_array {
40 __u32 number_of_snapshots;
41 __u32 number_of_snapshots_returned;
42 __u32 snapshot_array_size;
46 #define CIFS_IOCTL_MAGIC 0xCF
47 #define CIFS_IOC_COPYCHUNK_FILE _IOW(CIFS_IOCTL_MAGIC, 3, int)
48 #define CIFS_IOC_SET_INTEGRITY _IO(CIFS_IOCTL_MAGIC, 4)
49 #define CIFS_IOC_GET_MNT_INFO _IOR(CIFS_IOCTL_MAGIC, 5, struct smb_mnt_fs_info)
50 #define CIFS_ENUMERATE_SNAPSHOTS _IOR(CIFS_IOCTL_MAGIC, 6, struct smb_snapshot_array)