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045f4521 | 1 | /*++\r |
2 | \r | |
e5f461a8 | 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 | |
045f4521 | 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 | \r | |
25 | STATIC EFI_GUID mEfiCapsuleHeaderGuid = EFI_CAPSULE_GUID;\r | |
26 | \r | |
27 | \r | |
28 | EFI_STATUS\r | |
29 | EFIAPI\r | |
30 | UpdateCapsule (\r | |
31 | IN UEFI_CAPSULE_HEADER **CapsuleHeaderArray,\r | |
32 | IN UINTN CapsuleCount,\r | |
33 | IN EFI_PHYSICAL_ADDRESS ScatterGatherList OPTIONAL\r | |
34 | )\r | |
35 | /*++\r | |
36 | \r | |
37 | Routine Description:\r | |
38 | \r | |
39 | This code finds whether the capsules need reset to update, if not, update immediately.\r | |
40 | \r | |
41 | Arguments:\r | |
42 | \r | |
43 | CapsuleHeaderArray A array of pointers to capsule headers passed in\r | |
44 | CapsuleCount The number of capsule\r | |
45 | ScatterGatherList Physical address of datablock list points to capsule\r | |
e5f461a8 | 46 | \r |
045f4521 | 47 | Returns:\r |
48 | \r | |
49 | EFI STATUS\r | |
50 | EFI_SUCCESS Valid capsule was passed.If CAPSULE_FLAG_PERSIT_ACROSS_RESET is\r | |
51 | not set, the capsule has been successfully processed by the firmware.\r | |
52 | If it set, the ScattlerGatherList is successfully to be set.\r | |
53 | EFI_INVALID_PARAMETER CapsuleCount is less than 1,CapsuleGuid is not supported.\r | |
e5f461a8 | 54 | EFI_DEVICE_ERROR Failed to SetVariable or AllocatePool or ProcessFirmwareVolume.\r |
55 | \r | |
045f4521 | 56 | --*/\r |
57 | {\r | |
58 | UINTN CapsuleSize;\r | |
59 | UINTN ArrayNumber;\r | |
60 | VOID *BufferPtr;\r | |
61 | EFI_STATUS Status;\r | |
62 | EFI_HANDLE FvHandle;\r | |
63 | UEFI_CAPSULE_HEADER *CapsuleHeader;\r | |
64 | \r | |
65 | if (CapsuleCount < 1) {\r | |
66 | return EFI_INVALID_PARAMETER;\r | |
67 | }\r | |
68 | \r | |
69 | BufferPtr = NULL;\r | |
70 | CapsuleHeader = NULL;\r | |
71 | \r | |
72 | //\r | |
73 | //Compare GUIDs with EFI_CAPSULE_GUID, if capsule header contains CAPSULE_FLAGS_PERSIST_ACROSS_RESET\r | |
74 | //and CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE flags,whatever the GUID is ,the service supports.\r | |
75 | //\r | |
76 | for (ArrayNumber = 0; ArrayNumber < CapsuleCount; ArrayNumber++) {\r | |
77 | CapsuleHeader = CapsuleHeaderArray[ArrayNumber];\r | |
d73196f3 | 78 | if ((CapsuleHeader->Flags & (CAPSULE_FLAGS_PERSIST_ACROSS_RESET | CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE)) == CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE) {\r |
e5f461a8 | 79 | return EFI_INVALID_PARAMETER;\r |
045f4521 | 80 | }\r |
81 | if (!CompareGuid (&CapsuleHeader->CapsuleGuid, &mEfiCapsuleHeaderGuid)) {\r | |
d73196f3 | 82 | if ((CapsuleHeader->Flags & CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE) == 0) {\r |
045f4521 | 83 | return EFI_UNSUPPORTED;\r |
e5f461a8 | 84 | }\r |
85 | }\r | |
045f4521 | 86 | }\r |
87 | \r | |
88 | //\r | |
e5f461a8 | 89 | //Assume that capsules have the same flags on reseting or not.\r |
045f4521 | 90 | //\r |
91 | CapsuleHeader = CapsuleHeaderArray[0];\r | |
92 | \r | |
93 | if ((CapsuleHeader->Flags & CAPSULE_FLAGS_PERSIST_ACROSS_RESET) != 0) {\r | |
94 | //\r | |
95 | //Check if the platform supports update capsule across a system reset\r | |
96 | //\r | |
97 | if (!FeaturePcdGet(PcdSupportUpdateCapsuleRest)) {\r | |
98 | return EFI_UNSUPPORTED;\r | |
99 | }\r | |
e5f461a8 | 100 | \r |
045f4521 | 101 | if (ScatterGatherList == 0) {\r |
102 | return EFI_INVALID_PARAMETER;\r | |
103 | } else {\r | |
104 | Status = EfiSetVariable (\r | |
e5f461a8 | 105 | EFI_CAPSULE_VARIABLE_NAME,\r |
106 | &gEfiCapsuleVendorGuid,\r | |
107 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
108 | sizeof (UINTN),\r | |
109 | (VOID *) &ScatterGatherList\r | |
045f4521 | 110 | );\r |
e5f461a8 | 111 | if (Status != EFI_SUCCESS) {\r |
045f4521 | 112 | return EFI_DEVICE_ERROR;\r |
113 | }\r | |
114 | }\r | |
115 | return EFI_SUCCESS;\r | |
116 | }\r | |
e5f461a8 | 117 | \r |
045f4521 | 118 | //\r |
119 | //The rest occurs in the condition of non-reset mode\r | |
120 | //\r | |
e5f461a8 | 121 | if (EfiAtRuntime ()) {\r |
045f4521 | 122 | return EFI_INVALID_PARAMETER;\r |
123 | }\r | |
124 | \r | |
125 | //\r | |
126 | //Here should be in the boot-time\r | |
127 | //\r | |
128 | for (ArrayNumber = 0; ArrayNumber < CapsuleCount ; ArrayNumber++) {\r | |
129 | CapsuleHeader = CapsuleHeaderArray[ArrayNumber];\r | |
130 | CapsuleSize = CapsuleHeader->CapsuleImageSize - CapsuleHeader->HeaderSize;\r | |
e5f461a8 | 131 | \r |
132 | BufferPtr = AllocatePool (CapsuleSize);\r | |
133 | if (BufferPtr == NULL) {\r | |
134 | return EFI_DEVICE_ERROR;\r | |
045f4521 | 135 | }\r |
e5f461a8 | 136 | \r |
137 | CopyMem (BufferPtr, (UINT8*)CapsuleHeader+ CapsuleHeader->HeaderSize, CapsuleSize);\r | |
045f4521 | 138 | \r |
139 | //\r | |
e5f461a8 | 140 | //Call DXE service ProcessFirmwareVolume to process immediatelly\r |
045f4521 | 141 | //\r |
142 | Status = gDS->ProcessFirmwareVolume (BufferPtr, CapsuleSize, &FvHandle);\r | |
143 | if (Status != EFI_SUCCESS) {\r | |
e5f461a8 | 144 | FreePool (BufferPtr);\r |
045f4521 | 145 | return EFI_DEVICE_ERROR;\r |
146 | }\r | |
147 | gDS->Dispatch ();\r | |
e5f461a8 | 148 | FreePool (BufferPtr);\r |
045f4521 | 149 | }\r |
045f4521 | 150 | \r |
e5f461a8 | 151 | return EFI_SUCCESS;\r |
045f4521 | 152 | }\r |
153 | \r | |
154 | \r | |
e5f461a8 | 155 | \r |
045f4521 | 156 | EFI_STATUS\r |
157 | EFIAPI\r | |
158 | QueryCapsuleCapabilities (\r | |
159 | IN UEFI_CAPSULE_HEADER **CapsuleHeaderArray,\r | |
160 | IN UINTN CapsuleCount,\r | |
161 | OUT UINT64 *MaxiumCapsuleSize,\r | |
162 | OUT EFI_RESET_TYPE *ResetType\r | |
163 | )\r | |
164 | /*++\r | |
165 | \r | |
166 | Routine Description:\r | |
167 | \r | |
168 | This code is to query about capsule capability.\r | |
169 | \r | |
170 | Arguments:\r | |
171 | \r | |
172 | CapsuleHeaderArray A array of pointers to capsule headers passed in\r | |
173 | CapsuleCount The number of capsule\r | |
174 | MaxiumCapsuleSize Max capsule size is supported\r | |
175 | ResetType Reset type the capsule indicates, if reset is not needed,return EfiResetCold.\r | |
176 | If reset is needed, return EfiResetWarm.\r | |
177 | \r | |
178 | Returns:\r | |
179 | \r | |
180 | EFI STATUS\r | |
181 | EFI_SUCCESS Valid answer returned\r | |
182 | EFI_INVALID_PARAMETER MaxiumCapsuleSize is NULL,ResetType is NULL.CapsuleCount is less than 1,CapsuleGuid is not supported.\r | |
183 | EFI_UNSUPPORTED The capsule type is not supported.\r | |
184 | \r | |
185 | --*/\r | |
186 | {\r | |
187 | UINTN ArrayNumber;\r | |
188 | UEFI_CAPSULE_HEADER *CapsuleHeader;\r | |
189 | \r | |
190 | if (CapsuleCount < 1) {\r | |
191 | return EFI_INVALID_PARAMETER;\r | |
192 | }\r | |
193 | \r | |
194 | if ((MaxiumCapsuleSize == NULL) ||(ResetType == NULL)) {\r | |
195 | return EFI_INVALID_PARAMETER;\r | |
e5f461a8 | 196 | }\r |
045f4521 | 197 | \r |
198 | CapsuleHeader = NULL;\r | |
e5f461a8 | 199 | \r |
045f4521 | 200 | //\r |
201 | //Compare GUIDs with EFI_CAPSULE_GUID, if capsule header contains CAPSULE_FLAGS_PERSIST_ACROSS_RESET\r | |
202 | //and CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE flags,whatever the GUID is ,the service supports.\r | |
203 | //\r | |
204 | for (ArrayNumber = 0; ArrayNumber < CapsuleCount; ArrayNumber++) {\r | |
205 | CapsuleHeader = CapsuleHeaderArray[ArrayNumber];\r | |
d73196f3 | 206 | if ((CapsuleHeader->Flags & (CAPSULE_FLAGS_PERSIST_ACROSS_RESET | CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE)) == CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE) {\r |
e5f461a8 | 207 | return EFI_INVALID_PARAMETER;\r |
045f4521 | 208 | }\r |
209 | if (!CompareGuid (&CapsuleHeader->CapsuleGuid, &mEfiCapsuleHeaderGuid)) {\r | |
d73196f3 | 210 | if ((CapsuleHeader->Flags & CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE) == 0) {\r |
045f4521 | 211 | return EFI_UNSUPPORTED;\r |
212 | }\r | |
e5f461a8 | 213 | }\r |
045f4521 | 214 | }\r |
215 | \r | |
216 | //\r | |
e5f461a8 | 217 | //Assume that capsules have the same flags on reseting or not.\r |
045f4521 | 218 | //\r |
e5f461a8 | 219 | CapsuleHeader = CapsuleHeaderArray[0];\r |
045f4521 | 220 | if ((CapsuleHeader->Flags & CAPSULE_FLAGS_PERSIST_ACROSS_RESET) != 0) {\r |
221 | //\r | |
222 | //Check if the platform supports update capsule across a system reset\r | |
223 | //\r | |
224 | if (!FeaturePcdGet(PcdSupportUpdateCapsuleRest)) {\r | |
225 | return EFI_UNSUPPORTED;\r | |
226 | }\r | |
227 | *ResetType = EfiResetWarm;\r | |
e5f461a8 | 228 | *MaxiumCapsuleSize = FixedPcdGet32(PcdMaxSizePopulateCapsule);\r |
045f4521 | 229 | } else {\r |
230 | *ResetType = EfiResetCold;\r | |
231 | *MaxiumCapsuleSize = FixedPcdGet32(PcdMaxSizeNonPopulateCapsule);\r | |
e5f461a8 | 232 | }\r |
045f4521 | 233 | return EFI_SUCCESS;\r |
e5f461a8 | 234 | }\r |
045f4521 | 235 | \r |