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1 | /*++\r | |
2 | \r | |
3 | Copyright (c) 2006 - 2007, Intel Corporation\r | |
4 | All rights reserved. This program and the accompanying materials\r | |
5 | are licensed and made available under the terms and conditions of the BSD License\r | |
6 | which accompanies this distribution. The full text of the license may be found at\r | |
7 | http://opensource.org/licenses/bsd-license.php\r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
11 | \r | |
12 | Module Name:\r | |
13 | \r | |
14 | CapsuleService.c\r | |
15 | \r | |
16 | Abstract:\r | |
17 | \r | |
18 | Capsule Runtime Service.\r | |
19 | \r | |
20 | --*/\r | |
21 | \r | |
22 | #include "CapsuleService.h"\r | |
23 | \r | |
24 | EFI_STATUS\r | |
25 | EFIAPI\r | |
26 | UpdateCapsule (\r | |
27 | IN EFI_CAPSULE_HEADER **CapsuleHeaderArray,\r | |
28 | IN UINTN CapsuleCount,\r | |
29 | IN EFI_PHYSICAL_ADDRESS ScatterGatherList OPTIONAL\r | |
30 | )\r | |
31 | /*++\r | |
32 | \r | |
33 | Routine Description:\r | |
34 | \r | |
35 | This code finds whether the capsules need reset to update, if not, update immediately.\r | |
36 | \r | |
37 | Arguments:\r | |
38 | \r | |
39 | CapsuleHeaderArray A array of pointers to capsule headers passed in\r | |
40 | CapsuleCount The number of capsule\r | |
41 | ScatterGatherList Physical address of datablock list points to capsule\r | |
42 | \r | |
43 | Returns:\r | |
44 | \r | |
45 | EFI STATUS\r | |
46 | EFI_SUCCESS Valid capsule was passed.If CAPSULE_FLAG_PERSIT_ACROSS_RESET is\r | |
47 | not set, the capsule has been successfully processed by the firmware.\r | |
48 | If it set, the ScattlerGatherList is successfully to be set.\r | |
49 | EFI_INVALID_PARAMETER CapsuleCount is less than 1,CapsuleGuid is not supported.\r | |
50 | EFI_DEVICE_ERROR Failed to SetVariable or ProcessFirmwareVolume.\r | |
51 | \r | |
52 | --*/\r | |
53 | {\r | |
54 | UINTN ArrayNumber;\r | |
55 | EFI_STATUS Status;\r | |
56 | EFI_CAPSULE_HEADER *CapsuleHeader;\r | |
57 | \r | |
58 | if (CapsuleCount < 1) {\r | |
59 | return EFI_INVALID_PARAMETER;\r | |
60 | }\r | |
61 | \r | |
62 | CapsuleHeader = NULL;\r | |
63 | \r | |
64 | for (ArrayNumber = 0; ArrayNumber < CapsuleCount; ArrayNumber++) {\r | |
65 | //\r | |
66 | // A capsule which has the CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE flag must have\r | |
67 | // CAPSULE_FLAGS_PERSIST_ACROSS_RESET set in its header as well.\r | |
68 | //\r | |
69 | CapsuleHeader = CapsuleHeaderArray[ArrayNumber];\r | |
70 | if ((CapsuleHeader->Flags & (CAPSULE_FLAGS_PERSIST_ACROSS_RESET | CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE)) == CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE) {\r | |
71 | return EFI_INVALID_PARAMETER;\r | |
72 | }\r | |
73 | //\r | |
74 | // Check Capsule image without populate flag by firmware support capsule function \r | |
75 | //\r | |
76 | if (((CapsuleHeader->Flags & CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE) == 0) && \r | |
77 | (SupportCapsuleImage (CapsuleHeader) != EFI_SUCCESS)) {\r | |
78 | return EFI_UNSUPPORTED;\r | |
79 | }\r | |
80 | }\r | |
81 | \r | |
82 | //\r | |
83 | // Assume that capsules have the same flags on reseting or not.\r | |
84 | //\r | |
85 | CapsuleHeader = CapsuleHeaderArray[0];\r | |
86 | \r | |
87 | if ((CapsuleHeader->Flags & CAPSULE_FLAGS_PERSIST_ACROSS_RESET) != 0) {\r | |
88 | //\r | |
89 | // Check if the platform supports update capsule across a system reset\r | |
90 | //\r | |
91 | if (!FeaturePcdGet(PcdSupportUpdateCapsuleRest)) {\r | |
92 | return EFI_UNSUPPORTED;\r | |
93 | }\r | |
94 | //\r | |
95 | // ScatterGatherList is only referenced if the capsules are defined to persist across\r | |
96 | // system reset. \r | |
97 | //\r | |
98 | if (ScatterGatherList == (EFI_PHYSICAL_ADDRESS) NULL) {\r | |
99 | return EFI_INVALID_PARAMETER;\r | |
100 | } else {\r | |
101 | //\r | |
102 | // ScatterGatherList is only referenced if the capsules are defined to persist across\r | |
103 | // system reset. Set its value into NV storage to let pre-boot driver to pick it up \r | |
104 | // after coming through a system reset.\r | |
105 | //\r | |
106 | Status = EfiSetVariable (\r | |
107 | EFI_CAPSULE_VARIABLE_NAME,\r | |
108 | &gEfiCapsuleVendorGuid,\r | |
109 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
110 | sizeof (UINTN),\r | |
111 | (VOID *) &ScatterGatherList\r | |
112 | );\r | |
113 | if (Status != EFI_SUCCESS) {\r | |
114 | return Status;\r | |
115 | }\r | |
116 | //\r | |
117 | // Successfully set the capsule image address into variable.\r | |
118 | //\r | |
119 | return EFI_SUCCESS;\r | |
120 | }\r | |
121 | }\r | |
122 | \r | |
123 | //\r | |
124 | // The rest occurs in the condition of non-reset mode\r | |
125 | // Now Runtime mode doesn't support the non-reset capsule image.\r | |
126 | //\r | |
127 | if (EfiAtRuntime ()) {\r | |
128 | return EFI_UNSUPPORTED;\r | |
129 | }\r | |
130 | \r | |
131 | //\r | |
132 | // Here should be in the boot-time for non-reset capsule image\r | |
133 | // Default process to Update Capsule image into Flash.\r | |
134 | //\r | |
135 | for (ArrayNumber = 0; ArrayNumber < CapsuleCount ; ArrayNumber++) {\r | |
136 | Status = ProcessCapsuleImage (CapsuleHeaderArray[ArrayNumber]);\r | |
137 | if (EFI_ERROR (Status)) {\r | |
138 | return Status;\r | |
139 | }\r | |
140 | }\r | |
141 | \r | |
142 | return EFI_SUCCESS;\r | |
143 | }\r | |
144 | \r | |
145 | \r | |
146 | \r | |
147 | EFI_STATUS\r | |
148 | EFIAPI\r | |
149 | QueryCapsuleCapabilities (\r | |
150 | IN EFI_CAPSULE_HEADER **CapsuleHeaderArray,\r | |
151 | IN UINTN CapsuleCount,\r | |
152 | OUT UINT64 *MaxiumCapsuleSize,\r | |
153 | OUT EFI_RESET_TYPE *ResetType\r | |
154 | )\r | |
155 | /*++\r | |
156 | \r | |
157 | Routine Description:\r | |
158 | \r | |
159 | This code is to query about capsule capability.\r | |
160 | \r | |
161 | Arguments:\r | |
162 | \r | |
163 | CapsuleHeaderArray A array of pointers to capsule headers passed in\r | |
164 | CapsuleCount The number of capsule\r | |
165 | MaxiumCapsuleSize Max capsule size is supported\r | |
166 | ResetType Reset type the capsule indicates, if reset is not needed,return EfiResetCold.\r | |
167 | If reset is needed, return EfiResetWarm.\r | |
168 | \r | |
169 | Returns:\r | |
170 | \r | |
171 | EFI STATUS\r | |
172 | EFI_SUCCESS Valid answer returned\r | |
173 | EFI_INVALID_PARAMETER MaxiumCapsuleSize is NULL,ResetType is NULL.CapsuleCount is less than 1,CapsuleGuid is not supported.\r | |
174 | EFI_UNSUPPORTED The capsule type is not supported.\r | |
175 | \r | |
176 | --*/\r | |
177 | {\r | |
178 | UINTN ArrayNumber;\r | |
179 | EFI_CAPSULE_HEADER *CapsuleHeader;\r | |
180 | \r | |
181 | if (CapsuleCount < 1) {\r | |
182 | return EFI_INVALID_PARAMETER;\r | |
183 | }\r | |
184 | \r | |
185 | if ((MaxiumCapsuleSize == NULL) ||(ResetType == NULL)) {\r | |
186 | return EFI_INVALID_PARAMETER;\r | |
187 | }\r | |
188 | \r | |
189 | CapsuleHeader = NULL;\r | |
190 | \r | |
191 | for (ArrayNumber = 0; ArrayNumber < CapsuleCount; ArrayNumber++) {\r | |
192 | CapsuleHeader = CapsuleHeaderArray[ArrayNumber];\r | |
193 | //\r | |
194 | // A capsule which has the CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE flag must have\r | |
195 | // CAPSULE_FLAGS_PERSIST_ACROSS_RESET set in its header as well.\r | |
196 | //\r | |
197 | if ((CapsuleHeader->Flags & (CAPSULE_FLAGS_PERSIST_ACROSS_RESET | CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE)) == CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE) {\r | |
198 | return EFI_INVALID_PARAMETER;\r | |
199 | }\r | |
200 | //\r | |
201 | // Check Capsule image without populate flag by firmware support capsule function \r | |
202 | //\r | |
203 | if (((CapsuleHeader->Flags & CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE) == 0) && \r | |
204 | (SupportCapsuleImage (CapsuleHeader) != EFI_SUCCESS)) {\r | |
205 | return EFI_UNSUPPORTED;\r | |
206 | }\r | |
207 | }\r | |
208 | \r | |
209 | //\r | |
210 | //Assume that capsules have the same flags on reseting or not.\r | |
211 | //\r | |
212 | CapsuleHeader = CapsuleHeaderArray[0];\r | |
213 | if ((CapsuleHeader->Flags & CAPSULE_FLAGS_PERSIST_ACROSS_RESET) != 0) {\r | |
214 | //\r | |
215 | //Check if the platform supports update capsule across a system reset\r | |
216 | //\r | |
217 | if (!FeaturePcdGet(PcdSupportUpdateCapsuleRest)) {\r | |
218 | return EFI_UNSUPPORTED;\r | |
219 | }\r | |
220 | *ResetType = EfiResetWarm;\r | |
221 | *MaxiumCapsuleSize = FixedPcdGet32(PcdMaxSizePopulateCapsule);\r | |
222 | } else {\r | |
223 | *ResetType = EfiResetCold;\r | |
224 | *MaxiumCapsuleSize = FixedPcdGet32(PcdMaxSizeNonPopulateCapsule);\r | |
225 | }\r | |
226 | return EFI_SUCCESS;\r | |
227 | }\r | |
228 | \r | |
229 | \r | |
230 | EFI_STATUS\r | |
231 | EFIAPI\r | |
232 | CapsuleServiceInitialize (\r | |
233 | IN EFI_HANDLE ImageHandle,\r | |
234 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
235 | )\r | |
236 | /*++\r | |
237 | \r | |
238 | Routine Description:\r | |
239 | \r | |
240 | This code is capsule runtime service initialization.\r | |
241 | \r | |
242 | Arguments:\r | |
243 | \r | |
244 | ImageHandle The image handle\r | |
245 | SystemTable The system table.\r | |
246 | \r | |
247 | Returns:\r | |
248 | \r | |
249 | EFI STATUS\r | |
250 | \r | |
251 | --*/\r | |
252 | {\r | |
253 | EFI_STATUS Status;\r | |
254 | EFI_HANDLE NewHandle;\r | |
255 | \r | |
256 | SystemTable->RuntimeServices->UpdateCapsule = UpdateCapsule;\r | |
257 | SystemTable->RuntimeServices->QueryCapsuleCapabilities = QueryCapsuleCapabilities;\r | |
258 | \r | |
259 | //\r | |
260 | // Now install the Capsule Architectural Protocol on a new handle\r | |
261 | //\r | |
262 | NewHandle = NULL;\r | |
263 | \r | |
264 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
265 | &NewHandle,\r | |
266 | &gEfiCapsuleArchProtocolGuid,\r | |
267 | NULL,\r | |
268 | NULL\r | |
269 | );\r | |
270 | ASSERT_EFI_ERROR (Status);\r | |
271 | \r | |
272 | return EFI_SUCCESS;\r | |
273 | }\r |