LXR linux/fs/cifs/cifs

   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
  20struct 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
  39struct 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
  49struct smb_query_info {
  50        __u32   info_type;
  51        __u32   file_info_class;
  52        __u32   additional_information;
  53        __u32   flags;
  54        __u32   input_buffer_length;
  55        __u32   output_buffer_length;
  56        /* char buffer[]; */
  57} __packed;
  58
  59#define CIFS_IOCTL_MAGIC        0xCF
  60#define CIFS_IOC_COPYCHUNK_FILE _IOW(CIFS_IOCTL_MAGIC, 3, int)
  61#define CIFS_IOC_SET_INTEGRITY  _IO(CIFS_IOCTL_MAGIC, 4)
  62#define CIFS_IOC_GET_MNT_INFO _IOR(CIFS_IOCTL_MAGIC, 5, struct smb_mnt_fs_info)
  63#define CIFS_ENUMERATE_SNAPSHOTS _IOR(CIFS_IOCTL_MAGIC, 6, struct smb_snapshot_array)
  64#define CIFS_QUERY_INFO _IOWR(CIFS_IOCTL_MAGIC, 7, struct smb_query_info)
  65