/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */ /* * Copyright(c) 2003-2015 Intel Corporation. All rights reserved. * Intel Management Engine Interface (Intel MEI) Linux driver * Intel MEI Interface Header
*/ #ifndef _LINUX_MEI_H #define _LINUX_MEI_H
#include <linux/mei_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()) is the communication between * the clients disconnected. * * The IOCTL argument is a struct with a union that 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;
};
};
/** * DOC: set and unset event notification for a connected client * * The IOCTL argument is 1 for enabling event notification and 0 for * disabling the service. * Return: -EOPNOTSUPP if the devices doesn't support the feature
*/ #define IOCTL_MEI_NOTIFY_SET _IOW('H', 0x02, __u32)
/** * DOC: retrieve notification * * The IOCTL output argument is 1 if an event was pending and 0 otherwise. * The ioctl has to be called in order to acknowledge pending event. * * Return: -EOPNOTSUPP if the devices doesn't support the feature
*/ #define IOCTL_MEI_NOTIFY_GET _IOR('H', 0x03, __u32)
/** * struct mei_connect_client_vtag - mei client information struct with vtag * * @in_client_uuid: UUID of client to connect * @vtag: virtual tag * @reserved: reserved for future use
*/ struct mei_connect_client_vtag {
uuid_le in_client_uuid;
__u8 vtag;
__u8 reserved[3];
};
/** * struct mei_connect_client_data_vtag - IOCTL connect data union * * @connect: input connect data * @out_client_properties: output client data
*/ struct mei_connect_client_data_vtag { union { struct mei_connect_client_vtag connect; struct mei_client out_client_properties;
};
};
/** * DOC: * This IOCTL is used to associate the current file descriptor with a * FW Client (given by UUID), and virtual tag (vtag). * The IOCTL opens a communication channel between a host client and * a FW client on a tagged channel. From this point on, every read * and write will communicate with the associated FW client * on the tagged channel. * Upon close() the communication is terminated. * * The IOCTL argument is a struct with a union that contains * the input parameter and the output parameter for this IOCTL. * * The input parameter is UUID of the FW Client, a vtag [0,255]. * The output parameter is the properties of the FW client * (FW protocol version and max message size). * * Clients that do not support tagged connection * will respond with -EOPNOTSUPP.
*/ #define IOCTL_MEI_CONNECT_CLIENT_VTAG \
_IOWR('H', 0x04, struct mei_connect_client_data_vtag)
#endif/* _LINUX_MEI_H */
Messung V0.5
¤ Dauer der Verarbeitung: 0.18 Sekunden
(vorverarbeitet)
¤
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.