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c40f7cc7 EJ |
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 | |
16 | EFI_HANDLE mHandle = NULL;\r | |
17 | \r | |
18 | ///\r | |
19 | /// Capsule Update Policy Protocol instance\r | |
20 | ///\r | |
21 | EDKII_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 | |
43 | EFI_STATUS\r | |
44 | EFIAPI\r | |
45 | CapsuleUpdatePolicyCheckSystemPower (\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 | |
68 | EFI_STATUS\r | |
69 | EFIAPI\r | |
70 | CapsuleUpdatePolicyCheckSystemThermal (\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 | |
92 | EFI_STATUS\r | |
93 | EFIAPI\r | |
94 | CapsuleUpdatePolicyCheckSystemEnvironment (\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 | |
114 | BOOLEAN\r | |
115 | EFIAPI\r | |
116 | CapsuleUpdatePolicyIsLowestSupportedVersionCheckRequired (\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 | |
135 | BOOLEAN\r | |
136 | EFIAPI\r | |
137 | CapsuleUpdatePolicyIsLockFmpDeviceAtLockEventGuidRequired (\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 | |
155 | EFI_STATUS\r | |
156 | EFIAPI\r | |
157 | CapsuleUpdatePolicyInitialize (\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 |
c40f7cc7 EJ |
165 | Status = gBS->InstallMultipleProtocolInterfaces (\r |
166 | &mHandle,\r | |
95d28836 | 167 | &gEdkiiCapsuleUpdatePolicyProtocolGuid, &mCapsuleUpdatePolicy,\r |
c40f7cc7 EJ |
168 | NULL\r |
169 | );\r | |
170 | ASSERT_EFI_ERROR (Status);\r | |
171 | \r | |
172 | return Status;\r | |
173 | }\r |