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
|
/*
*
* Intel Management Engine Interface (Intel MEI) Linux driver
* Copyright (c) 2003-2012, Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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.
*
*/
#ifndef _MEI_HBM_H_
#define _MEI_HBM_H_
struct mei_device;
struct mei_msg_hdr;
struct mei_cl;
/**
* enum mei_hbm_state - host bus message protocol state
*
* @MEI_HBM_IDLE : protocol not started
* @MEI_HBM_START : start request message was sent
* @MEI_HBM_ENUM_CLIENTS : enumeration request was sent
* @MEI_HBM_CLIENT_PROPERTIES : acquiring clients properties
*/
enum mei_hbm_state {
MEI_HBM_IDLE = 0,
MEI_HBM_START,
MEI_HBM_STARTED,
MEI_HBM_ENUM_CLIENTS,
MEI_HBM_CLIENT_PROPERTIES,
MEI_HBM_STOPPED,
};
int mei_hbm_dispatch(struct mei_device *dev, struct mei_msg_hdr *hdr);
static inline void mei_hbm_hdr(struct mei_msg_hdr *hdr, size_t length)
{
hdr->host_addr = 0;
hdr->me_addr = 0;
hdr->length = length;
hdr->msg_complete = 1;
hdr->reserved = 0;
}
void mei_hbm_idle(struct mei_device *dev);
int mei_hbm_start_req(struct mei_device *dev);
int mei_hbm_start_wait(struct mei_device *dev);
int mei_hbm_cl_flow_control_req(struct mei_device *dev, struct mei_cl *cl);
int mei_hbm_cl_disconnect_req(struct mei_device *dev, struct mei_cl *cl);
int mei_hbm_cl_connect_req(struct mei_device *dev, struct mei_cl *cl);
bool mei_hbm_version_is_supported(struct mei_device *dev);
#endif /* _MEI_HBM_H_ */
|
