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131 lines
4.7 KiB
C
131 lines
4.7 KiB
C
/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */
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/******************************************************************************
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* Intel Management Engine Interface (Intel MEI) Linux driver
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* Intel MEI Interface Header
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*
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* This file is provided under a dual BSD/GPLv2 license. When using or
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* redistributing this file, you may do so under either license.
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*
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* GPL LICENSE SUMMARY
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*
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* Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
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* USA
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*
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* The full GNU General Public License is included in this distribution
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* in the file called LICENSE.GPL.
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*
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* Contact Information:
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* Intel Corporation.
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* linux-mei@linux.intel.com
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* http://www.intel.com
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*
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* BSD LICENSE
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*
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* Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*****************************************************************************/
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#ifndef _LINUX_MEI_H
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#define _LINUX_MEI_H
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#include <linux/uuid.h>
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/*
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* This IOCTL is used to associate the current file descriptor with a
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* FW Client (given by UUID). This opens a communication channel
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* between a host client and a FW client. From this point every read and write
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* will communicate with the associated FW client.
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* Only in close() (file_operation release()) the communication between
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* the clients is disconnected
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*
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* The IOCTL argument is a struct with a union that contains
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* the input parameter and the output parameter for this IOCTL.
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*
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* The input parameter is UUID of the FW Client.
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* The output parameter is the properties of the FW client
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* (FW protocol version and max message size).
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*
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*/
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#define IOCTL_MEI_CONNECT_CLIENT \
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_IOWR('H' , 0x01, struct mei_connect_client_data)
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/*
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* Intel MEI client information struct
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*/
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struct mei_client {
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__u32 max_msg_length;
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__u8 protocol_version;
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__u8 reserved[3];
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};
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/*
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* IOCTL Connect Client Data structure
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*/
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struct mei_connect_client_data {
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union {
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uuid_le in_client_uuid;
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struct mei_client out_client_properties;
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};
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};
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/**
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* DOC: set and unset event notification for a connected client
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*
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* The IOCTL argument is 1 for enabling event notification and 0 for
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* disabling the service
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* Return: -EOPNOTSUPP if the devices doesn't support the feature
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*/
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#define IOCTL_MEI_NOTIFY_SET _IOW('H', 0x02, __u32)
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/**
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* DOC: retrieve notification
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*
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* The IOCTL output argument is 1 if an event was is pending and 0 otherwise
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* the ioctl has to be called in order to acknowledge pending event
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*
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* Return: -EOPNOTSUPP if the devices doesn't support the feature
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*/
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#define IOCTL_MEI_NOTIFY_GET _IOR('H', 0x03, __u32)
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#endif /* _LINUX_MEI_H */
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