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
49#define PASSTHRU_SET_INFO	0x00000002
50struct 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
60struct 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#define CIFS_IOCTL_MAGIC	0xCF
69#define CIFS_IOC_COPYCHUNK_FILE	_IOW(CIFS_IOCTL_MAGIC, 3, int)
70#define CIFS_IOC_SET_INTEGRITY  _IO(CIFS_IOCTL_MAGIC, 4)
71#define CIFS_IOC_GET_MNT_INFO _IOR(CIFS_IOCTL_MAGIC, 5, struct smb_mnt_fs_info)
72#define CIFS_ENUMERATE_SNAPSHOTS _IOR(CIFS_IOCTL_MAGIC, 6, struct smb_snapshot_array)
73#define CIFS_QUERY_INFO _IOWR(CIFS_IOCTL_MAGIC, 7, struct smb_query_info)
74#define CIFS_DUMP_KEY _IOWR(CIFS_IOCTL_MAGIC, 8, struct smb3_key_debug_info)