1e55b609b9
Use unified version of the copyright notice in the files Update copyright years according the year the files were touched, except this patch and SPDX conversions. Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
70 lines
1.9 KiB
C
70 lines
1.9 KiB
C
/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */
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/*
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* Copyright(c) 2003-2015 Intel Corporation. All rights reserved.
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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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#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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