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513f3f44 | 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 UEFI_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 AllocatePool or ProcessFirmwareVolume.\r | |
51 | \r | |
52 | --*/\r | |
53 | {\r | |
54 | UINTN CapsuleSize;\r | |
55 | UINTN ArrayNumber;\r | |
56 | VOID *BufferPtr;\r | |
57 | EFI_STATUS Status;\r | |
58 | EFI_HANDLE FvHandle;\r | |
59 | UEFI_CAPSULE_HEADER *CapsuleHeader;\r | |
60 | \r | |
61 | if (CapsuleCount < 1) {\r | |
62 | return EFI_INVALID_PARAMETER;\r | |
63 | }\r | |
64 | \r | |
65 | BufferPtr = NULL;\r | |
66 | CapsuleHeader = NULL;\r | |
67 | \r | |
68 | //\r | |
69 | //Compare GUIDs with EFI_CAPSULE_GUID, if capsule header contains CAPSULE_FLAGS_PERSIST_ACROSS_RESET\r | |
70 | //and CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE flags,whatever the GUID is ,the service supports.\r | |
71 | //\r | |
72 | for (ArrayNumber = 0; ArrayNumber < CapsuleCount; ArrayNumber++) {\r | |
73 | CapsuleHeader = CapsuleHeaderArray[ArrayNumber];\r | |
74 | if ((CapsuleHeader->Flags & (CAPSULE_FLAGS_PERSIST_ACROSS_RESET | CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE)) == CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE) {\r | |
75 | return EFI_INVALID_PARAMETER;\r | |
76 | }\r | |
77 | if (!CompareGuid (&CapsuleHeader->CapsuleGuid, &gEfiCapsuleGuid)) {\r | |
78 | if ((CapsuleHeader->Flags & CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE) == 0) {\r | |
79 | return EFI_UNSUPPORTED;\r | |
80 | }\r | |
81 | }\r | |
82 | }\r | |
83 | \r | |
84 | //\r | |
85 | //Assume that capsules have the same flags on reseting or not.\r | |
86 | //\r | |
87 | CapsuleHeader = CapsuleHeaderArray[0];\r | |
88 | \r | |
89 | if ((CapsuleHeader->Flags & CAPSULE_FLAGS_PERSIST_ACROSS_RESET) != 0) {\r | |
90 | //\r | |
91 | //Check if the platform supports update capsule across a system reset\r | |
92 | //\r | |
93 | if (!FeaturePcdGet(PcdSupportUpdateCapsuleRest)) {\r | |
94 | return EFI_UNSUPPORTED;\r | |
95 | }\r | |
96 | \r | |
97 | if (ScatterGatherList == 0) {\r | |
98 | return EFI_INVALID_PARAMETER;\r | |
99 | } else {\r | |
100 | Status = EfiSetVariable (\r | |
101 | EFI_CAPSULE_VARIABLE_NAME,\r | |
102 | &gEfiCapsuleVendorGuid,\r | |
103 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
104 | sizeof (UINTN),\r | |
105 | (VOID *) &ScatterGatherList\r | |
106 | );\r | |
107 | if (Status != EFI_SUCCESS) {\r | |
108 | return EFI_DEVICE_ERROR;\r | |
109 | }\r | |
110 | }\r | |
111 | return EFI_SUCCESS;\r | |
112 | }\r | |
113 | \r | |
114 | //\r | |
115 | //The rest occurs in the condition of non-reset mode\r | |
116 | //\r | |
117 | if (EfiAtRuntime ()) {\r | |
118 | return EFI_INVALID_PARAMETER;\r | |
119 | }\r | |
120 | \r | |
121 | //\r | |
122 | //Here should be in the boot-time\r | |
123 | //\r | |
124 | for (ArrayNumber = 0; ArrayNumber < CapsuleCount ; ArrayNumber++) {\r | |
125 | CapsuleHeader = CapsuleHeaderArray[ArrayNumber];\r | |
126 | CapsuleSize = CapsuleHeader->CapsuleImageSize - CapsuleHeader->HeaderSize;\r | |
127 | \r | |
128 | BufferPtr = AllocatePool (CapsuleSize);\r | |
129 | if (BufferPtr == NULL) {\r | |
130 | return EFI_DEVICE_ERROR;\r | |
131 | }\r | |
132 | \r | |
133 | CopyMem (BufferPtr, (UINT8*)CapsuleHeader+ CapsuleHeader->HeaderSize, CapsuleSize);\r | |
134 | \r | |
135 | //\r | |
136 | //Call DXE service ProcessFirmwareVolume to process immediatelly\r | |
137 | //\r | |
138 | Status = gDS->ProcessFirmwareVolume (BufferPtr, CapsuleSize, &FvHandle);\r | |
139 | if (Status != EFI_SUCCESS) {\r | |
140 | FreePool (BufferPtr);\r | |
141 | return EFI_DEVICE_ERROR;\r | |
142 | }\r | |
143 | gDS->Dispatch ();\r | |
144 | FreePool (BufferPtr);\r | |
145 | }\r | |
146 | \r | |
147 | return EFI_SUCCESS;\r | |
148 | }\r | |
149 | \r | |
150 | \r | |
151 | \r | |
152 | EFI_STATUS\r | |
153 | EFIAPI\r | |
154 | QueryCapsuleCapabilities (\r | |
155 | IN UEFI_CAPSULE_HEADER **CapsuleHeaderArray,\r | |
156 | IN UINTN CapsuleCount,\r | |
157 | OUT UINT64 *MaxiumCapsuleSize,\r | |
158 | OUT EFI_RESET_TYPE *ResetType\r | |
159 | )\r | |
160 | /*++\r | |
161 | \r | |
162 | Routine Description:\r | |
163 | \r | |
164 | This code is to query about capsule capability.\r | |
165 | \r | |
166 | Arguments:\r | |
167 | \r | |
168 | CapsuleHeaderArray A array of pointers to capsule headers passed in\r | |
169 | CapsuleCount The number of capsule\r | |
170 | MaxiumCapsuleSize Max capsule size is supported\r | |
171 | ResetType Reset type the capsule indicates, if reset is not needed,return EfiResetCold.\r | |
172 | If reset is needed, return EfiResetWarm.\r | |
173 | \r | |
174 | Returns:\r | |
175 | \r | |
176 | EFI STATUS\r | |
177 | EFI_SUCCESS Valid answer returned\r | |
178 | EFI_INVALID_PARAMETER MaxiumCapsuleSize is NULL,ResetType is NULL.CapsuleCount is less than 1,CapsuleGuid is not supported.\r | |
179 | EFI_UNSUPPORTED The capsule type is not supported.\r | |
180 | \r | |
181 | --*/\r | |
182 | {\r | |
183 | UINTN ArrayNumber;\r | |
184 | UEFI_CAPSULE_HEADER *CapsuleHeader;\r | |
185 | \r | |
186 | if (CapsuleCount < 1) {\r | |
187 | return EFI_INVALID_PARAMETER;\r | |
188 | }\r | |
189 | \r | |
190 | if ((MaxiumCapsuleSize == NULL) ||(ResetType == NULL)) {\r | |
191 | return EFI_INVALID_PARAMETER;\r | |
192 | }\r | |
193 | \r | |
194 | CapsuleHeader = NULL;\r | |
195 | \r | |
196 | //\r | |
197 | //Compare GUIDs with EFI_CAPSULE_GUID, if capsule header contains CAPSULE_FLAGS_PERSIST_ACROSS_RESET\r | |
198 | //and CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE flags,whatever the GUID is ,the service supports.\r | |
199 | //\r | |
200 | for (ArrayNumber = 0; ArrayNumber < CapsuleCount; ArrayNumber++) {\r | |
201 | CapsuleHeader = CapsuleHeaderArray[ArrayNumber];\r | |
202 | if ((CapsuleHeader->Flags & (CAPSULE_FLAGS_PERSIST_ACROSS_RESET | CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE)) == CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE) {\r | |
203 | return EFI_INVALID_PARAMETER;\r | |
204 | }\r | |
205 | if (!CompareGuid (&CapsuleHeader->CapsuleGuid, &gEfiCapsuleGuid)) {\r | |
206 | if ((CapsuleHeader->Flags & CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE) == 0) {\r | |
207 | return EFI_UNSUPPORTED;\r | |
208 | }\r | |
209 | }\r | |
210 | }\r | |
211 | \r | |
212 | //\r | |
213 | //Assume that capsules have the same flags on reseting or not.\r | |
214 | //\r | |
215 | CapsuleHeader = CapsuleHeaderArray[0];\r | |
216 | if ((CapsuleHeader->Flags & CAPSULE_FLAGS_PERSIST_ACROSS_RESET) != 0) {\r | |
217 | //\r | |
218 | //Check if the platform supports update capsule across a system reset\r | |
219 | //\r | |
220 | if (!FeaturePcdGet(PcdSupportUpdateCapsuleRest)) {\r | |
221 | return EFI_UNSUPPORTED;\r | |
222 | }\r | |
223 | *ResetType = EfiResetWarm;\r | |
224 | *MaxiumCapsuleSize = FixedPcdGet32(PcdMaxSizePopulateCapsule);\r | |
225 | } else {\r | |
226 | *ResetType = EfiResetCold;\r | |
227 | *MaxiumCapsuleSize = FixedPcdGet32(PcdMaxSizeNonPopulateCapsule);\r | |
228 | }\r | |
229 | return EFI_SUCCESS;\r | |
230 | }\r | |
231 | \r |