1 /* 2 * fs/cifs/cifs_ioctl.h 3 * 4 * Structure definitions for io control for cifs/smb3 5 * 6 * Copyright (c) 2015 Steve French <steve.french@primarydata.com> 7 * 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. 12 * 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. 17 * 18 */ 19 20 struct smb_mnt_fs_info { 21 __u32 version; /* 0001 */ 22 __u16 protocol_id; 23 __u16 tcon_flags; 24 __u32 vol_serial_number; 25 __u32 vol_create_time; 26 __u32 share_caps; 27 __u32 share_flags; 28 __u32 sector_flags; 29 __u32 optimal_sector_size; 30 __u32 max_bytes_chunk; 31 __u32 fs_attributes; 32 __u32 max_path_component; 33 __u32 device_type; 34 __u32 device_characteristics; 35 __u32 maximal_access; 36 __u64 cifs_posix_caps; 37 } __packed; 38 39 struct smb_snapshot_array { 40 __u32 number_of_snapshots; 41 __u32 number_of_snapshots_returned; 42 __u32 snapshot_array_size; 43 /* snapshots[]; */ 44 } __packed; 45 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) 51