cifs_ioctl.h 2.4 KB

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  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. struct smb_mnt_fs_info {
  20. __u32 version; /* 0001 */
  21. __u16 protocol_id;
  22. __u16 tcon_flags;
  23. __u32 vol_serial_number;
  24. __u32 vol_create_time;
  25. __u32 share_caps;
  26. __u32 share_flags;
  27. __u32 sector_flags;
  28. __u32 optimal_sector_size;
  29. __u32 max_bytes_chunk;
  30. __u32 fs_attributes;
  31. __u32 max_path_component;
  32. __u32 device_type;
  33. __u32 device_characteristics;
  34. __u32 maximal_access;
  35. __u64 cifs_posix_caps;
  36. } __packed;
  37. struct smb_snapshot_array {
  38. __u32 number_of_snapshots;
  39. __u32 number_of_snapshots_returned;
  40. __u32 snapshot_array_size;
  41. /* snapshots[]; */
  42. } __packed;
  43. /* query_info flags */
  44. #define PASSTHRU_QUERY_INFO 0x00000000
  45. #define PASSTHRU_FSCTL 0x00000001
  46. #define PASSTHRU_SET_INFO 0x00000002
  47. struct smb_query_info {
  48. __u32 info_type;
  49. __u32 file_info_class;
  50. __u32 additional_information;
  51. __u32 flags;
  52. __u32 input_buffer_length;
  53. __u32 output_buffer_length;
  54. /* char buffer[]; */
  55. } __packed;
  56. struct smb3_key_debug_info {
  57. __u64 Suid;
  58. __u16 cipher_type;
  59. __u8 auth_key[16]; /* SMB2_NTLMV2_SESSKEY_SIZE */
  60. __u8 smb3encryptionkey[SMB3_SIGN_KEY_SIZE];
  61. __u8 smb3decryptionkey[SMB3_SIGN_KEY_SIZE];
  62. } __packed;
  63. struct smb3_notify {
  64. __u32 completion_filter;
  65. bool watch_tree;
  66. } __packed;
  67. #define CIFS_IOCTL_MAGIC 0xCF
  68. #define CIFS_IOC_COPYCHUNK_FILE _IOW(CIFS_IOCTL_MAGIC, 3, int)
  69. #define CIFS_IOC_SET_INTEGRITY _IO(CIFS_IOCTL_MAGIC, 4)
  70. #define CIFS_IOC_GET_MNT_INFO _IOR(CIFS_IOCTL_MAGIC, 5, struct smb_mnt_fs_info)
  71. #define CIFS_ENUMERATE_SNAPSHOTS _IOR(CIFS_IOCTL_MAGIC, 6, struct smb_snapshot_array)
  72. #define CIFS_QUERY_INFO _IOWR(CIFS_IOCTL_MAGIC, 7, struct smb_query_info)
  73. #define CIFS_DUMP_KEY _IOWR(CIFS_IOCTL_MAGIC, 8, struct smb3_key_debug_info)
  74. #define CIFS_IOC_NOTIFY _IOW(CIFS_IOCTL_MAGIC, 9, struct smb3_notify)