1 /* 2 3 Intel Management Engine Interface (Intel MEI) Linux driver 4 Intel MEI Interface Header 5 6 This file is provided under a dual BSD/GPLv2 license. When using or 7 redistributing this file, you may do so under either license. 8 9 GPL LICENSE SUMMARY 10 11 Copyright(c) 2003-2011 Intel Corporation. All rights reserved. 12 13 This program is free software; you can redistribute it and/or modify 14 it under the terms of version 2 of the GNU General Public License as 15 published by the Free Software Foundation. 16 17 This program is distributed in the hope that it will be useful, but 18 WITHOUT ANY WARRANTY; without even the implied warranty of 19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 20 General Public License for more details. 21 22 Contact Information: 23 Intel Corporation. 24 linux-mei@linux.intel.com 25 http://www.intel.com 26 27 28 BSD LICENSE 29 30 Copyright(c) 2003-2011 Intel Corporation. All rights reserved. 31 All rights reserved. 32 33 Redistribution and use in source and binary forms, with or without 34 modification, are permitted provided that the following conditions 35 are met: 36 37 * Redistributions of source code must retain the above copyright 38 notice, this list of conditions and the following disclaimer. 39 * Redistributions in binary form must reproduce the above copyright 40 notice, this list of conditions and the following disclaimer in 41 the documentation and/or other materials provided with the 42 distribution. 43 * Neither the name of Intel Corporation nor the names of its 44 contributors may be used to endorse or promote products derived 45 from this software without specific prior written permission. 46 47 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 48 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 49 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 50 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 51 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 52 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 53 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 54 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 55 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 56 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 57 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 58 59 */ 60 61 62 #ifndef _LINUX_MEI_H 63 #define _LINUX_MEI_H 64 65 #include <linux/uuid.h> 66 67 /* 68 * This IOCTL is used to associate the current file descriptor with a 69 * FW Client (given by UUID). This opens a communication channel 70 * between a host client and a FW client. From this point every read and write 71 * will communicate with the associated FW client. 72 * Only in close() (file_operation release()) the communication between 73 * the clients is disconnected 74 * 75 * The IOCTL argument is a struct with a union the contains 76 * the input parameter and the output parameter for this IOCTL. 77 * 78 * The input parameter is UUID of the FW Client. 79 * The output parameter is the properties of the FW client 80 * (FW protocol version and max message size). 81 * 82 */ 83 #define IOCTL_MEI_CONNECT_CLIENT \ 84 _IOWR('H' , 0x01, struct mei_connect_client_data) 85 86 /* 87 * Intel MEI client information struct 88 */ 89 struct mei_client { 90 __u32 max_msg_length; 91 __u8 protocol_version; 92 __u8 reserved[3]; 93 }; 94 95 /* 96 * IOCTL Connect Client Data structure 97 */ 98 struct mei_connect_client_data { 99 union { 100 uuid_le in_client_uuid; 101 struct mei_client out_client_properties; 102 }; 103 }; 104 105 #endif /* _LINUX_MEI_H */ 106