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+/*
+
+ Intel Management Engine Interface (Intel MEI) Linux driver
+ Intel MEI Interface Header
+
+ This file is provided under a dual BSD/GPLv2 license. When using or
+ redistributing this file, you may do so under either license.
+
+ GPL LICENSE SUMMARY
+
+ Copyright(c) 2003-2011 Intel Corporation. All rights reserved.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of version 2 of the GNU General Public License as
+ published by the Free Software Foundation.
+
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ Contact Information:
+ Intel Corporation.
+ linux-mei@linux.intel.com
+ http://www.intel.com
+
+
+ BSD LICENSE
+
+ Copyright(c) 2003-2011 Intel Corporation. All rights reserved.
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in
+ the documentation and/or other materials provided with the
+ distribution.
+ * Neither the name of Intel Corporation nor the names of its
+ contributors may be used to endorse or promote products derived
+ from this software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+
+#ifndef _LINUX_MEI_H
+#define _LINUX_MEI_H
+
+#include <linux/uuid.h>
+
+/*
+ * This IOCTL is used to associate the current file descriptor with a
+ * FW Client (given by UUID). This opens a communication channel
+ * between a host client and a FW client. From this point every read and write
+ * will communicate with the associated FW client.
+ * Only in close() (file_operation release()) the communication between
+ * the clients is disconnected
+ *
+ * The IOCTL argument is a struct with a union the contains
+ * the input parameter and the output parameter for this IOCTL.
+ *
+ * The input parameter is UUID of the FW Client.
+ * The output parameter is the properties of the FW client
+ * (FW protocol version and max message size).
+ *
+ */
+#define IOCTL_MEI_CONNECT_CLIENT \
+ _IOWR('H' , 0x01, struct mei_connect_client_data)
+
+/*
+ * Intel MEI client information struct
+ */
+struct mei_client {
+ __u32 max_msg_length;
+ __u8 protocol_version;
+ __u8 reserved[3];
+};
+
+/*
+ * IOCTL Connect Client Data structure
+ */
+struct mei_connect_client_data {
+ union {
+ uuid_le in_client_uuid;
+ struct mei_client out_client_properties;
+ };
+};
+
+#endif /* _LINUX_MEI_H */