blob: 5f698574cba8d785e214cacfb4d9c94e173b1657 (
plain)
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
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
|
/** @file
Implementation file for Me Policy functionality
@copyright
Copyright (c) 2006 - 2012 Intel Corporation. All rights reserved
This software and associated documentation (if any) is furnished
under a license and may only be used or copied in accordance
with the terms of the license. Except as permitted by such
license, no part of this software or documentation may be
reproduced, stored in a retrieval system, or transmitted in any
form or by any means without the express written consent of
Intel Corporation.
This file contains an 'Intel Peripheral Driver' and uniquely
identified as "Intel Reference Module" and is
licensed for Intel CPUs and chipsets under the terms of your
license agreement with Intel or your vendor. This file may
be modified by the user, subject to additional terms of the
license agreement
**/
//
// External include files do NOT need to be explicitly specified in real EDKII
// environment
//
#if !defined(EDK_RELEASE_VERSION) || (EDK_RELEASE_VERSION < 0x00020000)
#include "EdkIIGlueDxe.h"
#include "MePolicyLib.h"
#include "MeAccess.h"
#include EFI_PROTOCOL_DEFINITION (HECI)
#endif
//
// Global variables
//
DXE_ME_POLICY_PROTOCOL *mDxePlatformMePolicy = NULL;
/**
Check if Me is enabled.
@param[in] None.
@retval EFI_SUCCESS ME platform policy pointer is initialized.
@retval All other error conditions encountered when no ME platform policy available.
**/
EFI_STATUS
MePolicyLibInit (
VOID
)
{
EFI_STATUS Status;
if (mDxePlatformMePolicy != NULL) {
return EFI_SUCCESS;
}
//
// Get the desired platform setup policy.
//
Status = gBS->LocateProtocol (&gDxePlatformMePolicyGuid, NULL, (VOID **) &mDxePlatformMePolicy);
if (EFI_ERROR (Status)) {
DEBUG ((EFI_D_ERROR, "No ME Platform Policy Protocol available"));
ASSERT_EFI_ERROR (Status);
} else if (mDxePlatformMePolicy == NULL) {
DEBUG ((EFI_D_ERROR, "No ME Platform Policy Protocol available"));
Status = EFI_UNSUPPORTED;
}
return Status;
}
/**
Check if End of Post Message is enabled in setup options.
@param[in] None.
@retval FALSE EndOfPost is disabled.
@retval TRUE EndOfPost is enabled.
**/
BOOLEAN
MeEndOfPostEnabled (
VOID
)
{
BOOLEAN Supported;
EFI_STATUS Status;
if (mDxePlatformMePolicy == NULL) {
Status = MePolicyLibInit();
if (EFI_ERROR(Status)) {
return FALSE;
}
}
if (mDxePlatformMePolicy->MeConfig.EndOfPostEnabled != 1) {
Supported = FALSE;
} else {
Supported = TRUE;
}
return Supported;
}
/**
Checks if EndOfPost event already happened
@param[in] None
@retval TRUE if end of post happened
@retval FALSE if not yet
**/
BOOLEAN
IsAfterEndOfPost (
VOID
)
{
EFI_STATUS Status;
if (mDxePlatformMePolicy == NULL) {
Status = MePolicyLibInit();
if (EFI_ERROR(Status)) {
return FALSE;
}
}
if (mDxePlatformMePolicy->MeConfig.EndOfPostDone == TRUE) {
return TRUE;
}
return FALSE;
}
/**
Show Me Error message. This is used to support display error message on the screen for localization
description
@param[in] MsgId Me error message ID for displaying on screen message
@retval None
**/
VOID
MeReportError (
IN ME_ERROR_MSG_ID MsgId
)
{
EFI_STATUS Status;
if (mDxePlatformMePolicy == NULL) {
Status = MePolicyLibInit();
if (EFI_ERROR(Status)) {
return;
}
}
mDxePlatformMePolicy->MeReportError (MsgId);
return ;
}
/**
Check if MeFwDowngrade is enabled in setup options.
@param[in] None.
@retval FALSE MeFwDowngrade is disabled.
@retval TRUE MeFwDowngrade is enabled.
**/
BOOLEAN
MeFwDowngradeSupported (
VOID
)
{
EFI_STATUS Status;
if (mDxePlatformMePolicy == NULL) {
Status = MePolicyLibInit();
if (EFI_ERROR(Status)) {
return FALSE;
}
}
if (mDxePlatformMePolicy->MeConfig.MeFwDownGrade == 1) {
return TRUE;
}
return FALSE;
}
|
