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1/** @file\r
2 Provides platform policy services used during a capsule update that uses the\r
3 services of the EDKII_CAPSULE_UPDATE_POLICY_PROTOCOL.\r
4\r
5 Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>\r
6\r
7 SPDX-License-Identifier: BSD-2-Clause-Patent\r
8\r
9**/\r
10\r
11#include "CapsuleUpdatePolicyDxe.h"\r
12\r
13///\r
14/// Handle for the Capsule Update Policy Protocol\r
15///\r
16EFI_HANDLE mHandle = NULL;\r
17\r
18///\r
19/// Capsule Update Policy Protocol instance\r
20///\r
21EDKII_CAPSULE_UPDATE_POLICY_PROTOCOL mCapsuleUpdatePolicy = {\r
22 CapsuleUpdatePolicyCheckSystemPower,\r
23 CapsuleUpdatePolicyCheckSystemThermal,\r
24 CapsuleUpdatePolicyCheckSystemEnvironment,\r
25 CapsuleUpdatePolicyIsLowestSupportedVersionCheckRequired,\r
26 CapsuleUpdatePolicyIsLockFmpDeviceAtLockEventGuidRequired\r
27};\r
28\r
29/**\r
30 Determine if the system power state supports a capsule update.\r
31\r
32 @param[in] This A pointer to the EDKII_CAPSULE_UPDATE_POLICY_PROTOCOL instance.\r
33 @param[out] Good Returns TRUE if system power state supports a capsule\r
34 update. Returns FALSE if system power state does not\r
35 support a capsule update. Return value is only valid if\r
36 return status is EFI_SUCCESS.\r
37\r
38 @retval EFI_SUCCESS Good parameter has been updated with result.\r
39 @retval EFI_INVALID_PARAMETER Good is NULL.\r
40 @retval EFI_DEVICE_ERROR System power state can not be determined.\r
41\r
42**/\r
43EFI_STATUS\r
44EFIAPI\r
45CapsuleUpdatePolicyCheckSystemPower (\r
46 IN EDKII_CAPSULE_UPDATE_POLICY_PROTOCOL *This,\r
47 OUT BOOLEAN *Good\r
48 )\r
49{\r
50 return CheckSystemPower (Good);\r
51}\r
52\r
53\r
54/**\r
55 Determines if the system thermal state supports a capsule update.\r
56\r
57 @param[in] This A pointer to the EDKII_CAPSULE_UPDATE_POLICY_PROTOCOL instance.\r
58 @param[out] Good Returns TRUE if system thermal state supports a capsule\r
59 update. Returns FALSE if system thermal state does not\r
60 support a capsule update. Return value is only valid if\r
61 return status is EFI_SUCCESS.\r
62\r
63 @retval EFI_SUCCESS Good parameter has been updated with result.\r
64 @retval EFI_INVALID_PARAMETER Good is NULL.\r
65 @retval EFI_DEVICE_ERROR System thermal state can not be determined.\r
66\r
67**/\r
68EFI_STATUS\r
69EFIAPI\r
70CapsuleUpdatePolicyCheckSystemThermal (\r
71 IN EDKII_CAPSULE_UPDATE_POLICY_PROTOCOL *This,\r
72 OUT BOOLEAN *Good\r
73 )\r
74{\r
75 return CheckSystemThermal (Good);\r
76}\r
77\r
78/**\r
79 Determines if the system environment state supports a capsule update.\r
80\r
81 @param[in] This A pointer to the EDKII_CAPSULE_UPDATE_POLICY_PROTOCOL instance.\r
82 @param[out] Good Returns TRUE if system environment state supports a capsule\r
83 update. Returns FALSE if system environment state does not\r
84 support a capsule update. Return value is only valid if\r
85 return status is EFI_SUCCESS.\r
86\r
87 @retval EFI_SUCCESS Good parameter has been updated with result.\r
88 @retval EFI_INVALID_PARAMETER Good is NULL.\r
89 @retval EFI_DEVICE_ERROR System environment state can not be determined.\r
90\r
91**/\r
92EFI_STATUS\r
93EFIAPI\r
94CapsuleUpdatePolicyCheckSystemEnvironment (\r
95 IN EDKII_CAPSULE_UPDATE_POLICY_PROTOCOL *This,\r
96 OUT BOOLEAN *Good\r
97 )\r
98{\r
99 return CheckSystemEnvironment (Good);\r
100}\r
101\r
102/**\r
103 Determines if the Lowest Supported Version checks should be performed. The\r
104 expected result from this function is TRUE. A platform can choose to return\r
105 FALSE (e.g. during manufacturing or servicing) to allow a capsule update to a\r
106 version below the current Lowest Supported Version.\r
107\r
108 @param[in] This A pointer to the EDKII_CAPSULE_UPDATE_POLICY_PROTOCOL instance.\r
109\r
110 @retval TRUE The lowest supported version check is required.\r
111 @retval FALSE Do not perform lowest support version check.\r
112\r
113**/\r
114BOOLEAN\r
115EFIAPI\r
116CapsuleUpdatePolicyIsLowestSupportedVersionCheckRequired (\r
117 IN EDKII_CAPSULE_UPDATE_POLICY_PROTOCOL *This\r
118 )\r
119{\r
120 return IsLowestSupportedVersionCheckRequired ();\r
121}\r
122\r
123/**\r
124 Determines if the FMP device should be locked when the event specified by\r
125 PcdFmpDeviceLockEventGuid is signaled. The expected result from this function\r
126 is TRUE so the FMP device is always locked. A platform can choose to return\r
127 FALSE (e.g. during manufacturing) to allow FMP devices to remain unlocked.\r
128\r
129 @param[in] This A pointer to the EDKII_CAPSULE_UPDATE_POLICY_PROTOCOL instance.\r
130\r
131 @retval TRUE The FMP device lock action is required at lock event guid.\r
132 @retval FALSE Do not perform FMP device lock at lock event guid.\r
133\r
134**/\r
135BOOLEAN\r
136EFIAPI\r
137CapsuleUpdatePolicyIsLockFmpDeviceAtLockEventGuidRequired (\r
138 IN EDKII_CAPSULE_UPDATE_POLICY_PROTOCOL *This\r
139 )\r
140{\r
141 return IsLockFmpDeviceAtLockEventGuidRequired ();\r
142}\r
143\r
144/**\r
145 The user Entry Point for module CapsuleUpdatePolicyDxe. The user code starts\r
146 with this function.\r
147\r
148 @param[in] ImageHandle The firmware allocated handle for the EFI image.\r
149 @param[in] SystemTable A pointer to the EFI System Table.\r
150\r
151 @retval EFI_SUCCESS The entry point is executed successfully.\r
152 @retval other Some error occurs when executing this entry point.\r
153\r
154**/\r
155EFI_STATUS\r
156EFIAPI\r
157CapsuleUpdatePolicyInitialize (\r
158 IN EFI_HANDLE ImageHandle,\r
159 IN EFI_SYSTEM_TABLE *SystemTable\r
160 )\r
161{\r
162 EFI_STATUS Status;\r
163\r
95d28836 164 ASSERT_PROTOCOL_ALREADY_INSTALLED (NULL, &gEdkiiCapsuleUpdatePolicyProtocolGuid);\r
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165 Status = gBS->InstallMultipleProtocolInterfaces (\r
166 &mHandle,\r
95d28836 167 &gEdkiiCapsuleUpdatePolicyProtocolGuid, &mCapsuleUpdatePolicy,\r
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168 NULL\r
169 );\r
170 ASSERT_EFI_ERROR (Status);\r
171\r
172 return Status;\r
173}\r