fs/cifs/cifs_ioctl.h

   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)