blob: 491dbdd4eab1a18d2c760562ebfb7cbf9752aad9 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
/* 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/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 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 is 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)
#endif /* _LINUX_MEI_H */
|
