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 /* query_info flags */ 47 #define PASSTHRU_QUERY_INFO 0x00000000 48 #define PASSTHRU_FSCTL 0x00000001 49 #define PASSTHRU_SET_INFO 0x00000002 50 struct smb_query_info { 51 __u32 info_type; 52 __u32 file_info_class; 53 __u32 additional_information; 54 __u32 flags; 55 __u32 input_buffer_length; 56 __u32 output_buffer_length; 57 /* char buffer[]; */ 58 } __packed; 59 60 struct smb3_key_debug_info { 61 __u64 Suid; 62 __u16 cipher_type; 63 __u8 auth_key[16]; /* SMB2_NTLMV2_SESSKEY_SIZE */ 64 __u8 smb3encryptionkey[SMB3_SIGN_KEY_SIZE]; 65 __u8 smb3decryptionkey[SMB3_SIGN_KEY_SIZE]; 66 } __packed; 67 68 struct smb3_notify { 69 __u32 completion_filter; 70 bool watch_tree; 71 } __packed; 72 73 #define CIFS_IOCTL_MAGIC 0xCF 74 #define CIFS_IOC_COPYCHUNK_FILE _IOW(CIFS_IOCTL_MAGIC, 3, int) 75 #define CIFS_IOC_SET_INTEGRITY _IO(CIFS_IOCTL_MAGIC, 4) 76 #define CIFS_IOC_GET_MNT_INFO _IOR(CIFS_IOCTL_MAGIC, 5, struct smb_mnt_fs_info) 77 #define CIFS_ENUMERATE_SNAPSHOTS _IOR(CIFS_IOCTL_MAGIC, 6, struct smb_snapshot_array) 78 #define CIFS_QUERY_INFO _IOWR(CIFS_IOCTL_MAGIC, 7, struct smb_query_info) 79 #define CIFS_DUMP_KEY _IOWR(CIFS_IOCTL_MAGIC, 8, struct smb3_key_debug_info) 80 #define CIFS_IOC_NOTIFY _IOW(CIFS_IOCTL_MAGIC, 9, struct smb3_notify) 81