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1/******************************************************************************
2 * Intel Management Engine Interface (Intel MEI) Linux driver
3 * Intel MEI Interface Header
4 *
5 * This file is provided under a dual BSD/GPLv2 license. When using or
6 * redistributing this file, you may do so under either license.
7 *
8 * GPL LICENSE SUMMARY
9 *
10 * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved.
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of version 2 of the GNU General Public License as
14 * published by the Free Software Foundation.
15 *
16 * This program is distributed in the hope that it will be useful, but
17 * WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
24 * USA
25 *
26 * The full GNU General Public License is included in this distribution
27 * in the file called LICENSE.GPL.
28 *
29 * Contact Information:
30 * Intel Corporation.
31 * linux-mei@linux.intel.com
32 * http://www.intel.com
33 *
34 * BSD LICENSE
35 *
36 * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved.
37 * All rights reserved.
38 *
39 * Redistribution and use in source and binary forms, with or without
40 * modification, are permitted provided that the following conditions
41 * are met:
42 *
43 * * Redistributions of source code must retain the above copyright
44 * notice, this list of conditions and the following disclaimer.
45 * * Redistributions in binary form must reproduce the above copyright
46 * notice, this list of conditions and the following disclaimer in
47 * the documentation and/or other materials provided with the
48 * distribution.
49 * * Neither the name Intel Corporation nor the names of its
50 * contributors may be used to endorse or promote products derived
51 * from this software without specific prior written permission.
52 *
53 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
54 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
55 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
56 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
57 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
58 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
59 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
60 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
61 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
62 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
63 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
64 *
65 *****************************************************************************/
66
67#ifndef _LINUX_MEI_H
68#define _LINUX_MEI_H
69
70#include <linux/uuid.h>
71
72/*
73 * This IOCTL is used to associate the current file descriptor with a
74 * FW Client (given by UUID). This opens a communication channel
75 * between a host client and a FW client. From this point every read and write
76 * will communicate with the associated FW client.
77 * Only in close() (file_operation release()) the communication between
78 * the clients is disconnected
79 *
80 * The IOCTL argument is a struct with a union that contains
81 * the input parameter and the output parameter for this IOCTL.
82 *
83 * The input parameter is UUID of the FW Client.
84 * The output parameter is the properties of the FW client
85 * (FW protocol version and max message size).
86 *
87 */
88#define IOCTL_MEI_CONNECT_CLIENT \
89 _IOWR('H' , 0x01, struct mei_connect_client_data)
90
91/*
92 * Intel MEI client information struct
93 */
94struct mei_client {
95 __u32 max_msg_length;
96 __u8 protocol_version;
97 __u8 reserved[3];
98};
99
100/*
101 * IOCTL Connect Client Data structure
102 */
103struct mei_connect_client_data {
104 union {
105 uuid_le in_client_uuid;
106 struct mei_client out_client_properties;
107 };
108};
109
110#endif /* _LINUX_MEI_H */