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1 | /** @file\r | |
2 | \r | |
3 | Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>\r | |
4 | \r | |
5 | This program and the accompanying materials\r | |
6 | are licensed and made available under the terms and conditions\r | |
7 | of the BSD License which accompanies this distribution. The\r | |
8 | full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
13 | \r | |
14 | **/\r | |
15 | \r | |
16 | #include <PiDxe.h>\r | |
17 | #include <Library/UefiBootServicesTableLib.h>\r | |
18 | #include <Library/UefiRuntimeServicesTableLib.h>\r | |
19 | #include <Library/BaseLib.h>\r | |
20 | #include <Library/BaseMemoryLib.h>\r | |
21 | #include <Library/LockBoxLib.h>\r | |
22 | #include <Library/DebugLib.h>\r | |
23 | #include <Protocol/SmmCommunication.h>\r | |
24 | #include <Guid/SmmLockBox.h>\r | |
25 | \r | |
26 | #include "SmmLockBoxLibPrivate.h"\r | |
27 | \r | |
28 | /**\r | |
29 | This function will save confidential information to lockbox.\r | |
30 | \r | |
31 | @param Guid the guid to identify the confidential information\r | |
32 | @param Buffer the address of the confidential information\r | |
33 | @param Length the length of the confidential information\r | |
34 | \r | |
35 | @retval RETURN_SUCCESS the information is saved successfully.\r | |
36 | @retval RETURN_INVALID_PARAMETER the Guid is NULL, or Buffer is NULL, or Length is 0\r | |
37 | @retval RETURN_ALREADY_STARTED the requested GUID already exist.\r | |
38 | @retval RETURN_OUT_OF_RESOURCES no enough resource to save the information.\r | |
39 | @retval RETURN_ACCESS_DENIED it is too late to invoke this interface\r | |
40 | @retval RETURN_NOT_STARTED it is too early to invoke this interface\r | |
41 | @retval RETURN_UNSUPPORTED the service is not supported by implementaion.\r | |
42 | **/\r | |
43 | RETURN_STATUS\r | |
44 | EFIAPI\r | |
45 | SaveLockBox (\r | |
46 | IN GUID *Guid,\r | |
47 | IN VOID *Buffer,\r | |
48 | IN UINTN Length\r | |
49 | )\r | |
50 | {\r | |
51 | EFI_STATUS Status;\r | |
52 | EFI_SMM_COMMUNICATION_PROTOCOL *SmmCommunication;\r | |
53 | EFI_SMM_LOCK_BOX_PARAMETER_SAVE *LockBoxParameterSave;\r | |
54 | EFI_SMM_COMMUNICATE_HEADER *CommHeader;\r | |
55 | UINT8 CommBuffer[sizeof(EFI_GUID) + sizeof(UINTN) + sizeof(EFI_SMM_LOCK_BOX_PARAMETER_SAVE)];\r | |
56 | UINTN CommSize;\r | |
57 | \r | |
58 | DEBUG ((EFI_D_INFO, "SmmLockBoxDxeLib SaveLockBox - Enter\n"));\r | |
59 | \r | |
60 | //\r | |
61 | // Basic check\r | |
62 | //\r | |
63 | if ((Guid == NULL) || (Buffer == NULL) || (Length == 0)) {\r | |
64 | return EFI_INVALID_PARAMETER;\r | |
65 | }\r | |
66 | \r | |
67 | //\r | |
68 | // Get needed resource\r | |
69 | //\r | |
70 | Status = gBS->LocateProtocol (\r | |
71 | &gEfiSmmCommunicationProtocolGuid,\r | |
72 | NULL,\r | |
73 | (VOID **)&SmmCommunication\r | |
74 | );\r | |
75 | if (EFI_ERROR (Status)) {\r | |
76 | return EFI_NOT_STARTED;\r | |
77 | }\r | |
78 | \r | |
79 | //\r | |
80 | // Prepare parameter\r | |
81 | //\r | |
82 | CommHeader = (EFI_SMM_COMMUNICATE_HEADER *)&CommBuffer[0];\r | |
83 | CopyMem (&CommHeader->HeaderGuid, &gEfiSmmLockBoxCommunicationGuid, sizeof(gEfiSmmLockBoxCommunicationGuid));\r | |
84 | CommHeader->MessageLength = sizeof(*LockBoxParameterSave);\r | |
85 | \r | |
86 | LockBoxParameterSave = (EFI_SMM_LOCK_BOX_PARAMETER_SAVE *)&CommBuffer[OFFSET_OF (EFI_SMM_COMMUNICATE_HEADER, Data)];\r | |
87 | LockBoxParameterSave->Header.Command = EFI_SMM_LOCK_BOX_COMMAND_SAVE;\r | |
88 | LockBoxParameterSave->Header.DataLength = sizeof(*LockBoxParameterSave);\r | |
89 | LockBoxParameterSave->Header.ReturnStatus = (UINT64)-1;\r | |
90 | CopyMem (&LockBoxParameterSave->Guid, Guid, sizeof(*Guid));\r | |
91 | LockBoxParameterSave->Buffer = (EFI_PHYSICAL_ADDRESS)(UINTN)Buffer;\r | |
92 | LockBoxParameterSave->Length = (UINT64)Length;\r | |
93 | \r | |
94 | //\r | |
95 | // Send command\r | |
96 | //\r | |
97 | CommSize = sizeof(CommBuffer);\r | |
98 | Status = SmmCommunication->Communicate (\r | |
99 | SmmCommunication,\r | |
100 | &CommBuffer[0],\r | |
101 | &CommSize\r | |
102 | );\r | |
103 | ASSERT_EFI_ERROR (Status);\r | |
104 | \r | |
105 | Status = (EFI_STATUS)LockBoxParameterSave->Header.ReturnStatus;\r | |
106 | \r | |
107 | DEBUG ((EFI_D_INFO, "SmmLockBoxDxeLib SaveLockBox - Exit (%r)\n", Status));\r | |
108 | \r | |
109 | //\r | |
110 | // Done\r | |
111 | //\r | |
112 | return Status;\r | |
113 | }\r | |
114 | \r | |
115 | /**\r | |
116 | This function will set lockbox attributes.\r | |
117 | \r | |
118 | @param Guid the guid to identify the confidential information\r | |
119 | @param Attributes the attributes of the lockbox\r | |
120 | \r | |
121 | @retval RETURN_SUCCESS the information is saved successfully.\r | |
122 | @retval RETURN_INVALID_PARAMETER attributes is invalid.\r | |
123 | @retval RETURN_NOT_FOUND the requested GUID not found.\r | |
124 | @retval RETURN_ACCESS_DENIED it is too late to invoke this interface\r | |
125 | @retval RETURN_NOT_STARTED it is too early to invoke this interface\r | |
126 | @retval RETURN_UNSUPPORTED the service is not supported by implementaion.\r | |
127 | **/\r | |
128 | RETURN_STATUS\r | |
129 | EFIAPI\r | |
130 | SetLockBoxAttributes (\r | |
131 | IN GUID *Guid,\r | |
132 | IN UINT64 Attributes\r | |
133 | )\r | |
134 | {\r | |
135 | EFI_STATUS Status;\r | |
136 | EFI_SMM_COMMUNICATION_PROTOCOL *SmmCommunication;\r | |
137 | EFI_SMM_LOCK_BOX_PARAMETER_SET_ATTRIBUTES *LockBoxParameterSetAttributes;\r | |
138 | EFI_SMM_COMMUNICATE_HEADER *CommHeader;\r | |
139 | UINT8 CommBuffer[sizeof(EFI_GUID) + sizeof(UINTN) + sizeof(EFI_SMM_LOCK_BOX_PARAMETER_SET_ATTRIBUTES)];\r | |
140 | UINTN CommSize;\r | |
141 | \r | |
142 | DEBUG ((EFI_D_INFO, "SmmLockBoxDxeLib SetLockBoxAttributes - Enter\n"));\r | |
143 | \r | |
144 | //\r | |
145 | // Basic check\r | |
146 | //\r | |
147 | if ((Guid == NULL) ||\r | |
148 | ((Attributes & ~LOCK_BOX_ATTRIBUTE_RESTORE_IN_PLACE) != 0)) {\r | |
149 | return EFI_INVALID_PARAMETER;\r | |
150 | }\r | |
151 | \r | |
152 | //\r | |
153 | // Get needed resource\r | |
154 | //\r | |
155 | Status = gBS->LocateProtocol (\r | |
156 | &gEfiSmmCommunicationProtocolGuid,\r | |
157 | NULL,\r | |
158 | (VOID **)&SmmCommunication\r | |
159 | );\r | |
160 | if (EFI_ERROR (Status)) {\r | |
161 | return EFI_NOT_STARTED;\r | |
162 | }\r | |
163 | \r | |
164 | //\r | |
165 | // Prepare parameter\r | |
166 | //\r | |
167 | CommHeader = (EFI_SMM_COMMUNICATE_HEADER *)&CommBuffer[0];\r | |
168 | CopyMem (&CommHeader->HeaderGuid, &gEfiSmmLockBoxCommunicationGuid, sizeof(gEfiSmmLockBoxCommunicationGuid));\r | |
169 | CommHeader->MessageLength = sizeof(*LockBoxParameterSetAttributes);\r | |
170 | \r | |
171 | LockBoxParameterSetAttributes = (EFI_SMM_LOCK_BOX_PARAMETER_SET_ATTRIBUTES *)&CommBuffer[OFFSET_OF (EFI_SMM_COMMUNICATE_HEADER, Data)];\r | |
172 | LockBoxParameterSetAttributes->Header.Command = EFI_SMM_LOCK_BOX_COMMAND_SET_ATTRIBUTES;\r | |
173 | LockBoxParameterSetAttributes->Header.DataLength = sizeof(*LockBoxParameterSetAttributes);\r | |
174 | LockBoxParameterSetAttributes->Header.ReturnStatus = (UINT64)-1;\r | |
175 | CopyMem (&LockBoxParameterSetAttributes->Guid, Guid, sizeof(*Guid));\r | |
176 | LockBoxParameterSetAttributes->Attributes = (UINT64)Attributes;\r | |
177 | \r | |
178 | //\r | |
179 | // Send command\r | |
180 | //\r | |
181 | CommSize = sizeof(CommBuffer);\r | |
182 | Status = SmmCommunication->Communicate (\r | |
183 | SmmCommunication,\r | |
184 | &CommBuffer[0],\r | |
185 | &CommSize\r | |
186 | );\r | |
187 | ASSERT_EFI_ERROR (Status);\r | |
188 | \r | |
189 | Status = (EFI_STATUS)LockBoxParameterSetAttributes->Header.ReturnStatus;\r | |
190 | \r | |
191 | DEBUG ((EFI_D_INFO, "SmmLockBoxDxeLib SetLockBoxAttributes - Exit (%r)\n", Status));\r | |
192 | \r | |
193 | //\r | |
194 | // Done\r | |
195 | //\r | |
196 | return Status;\r | |
197 | }\r | |
198 | \r | |
199 | /**\r | |
200 | This function will update confidential information to lockbox.\r | |
201 | \r | |
202 | @param Guid the guid to identify the original confidential information\r | |
203 | @param Offset the offset of the original confidential information\r | |
204 | @param Buffer the address of the updated confidential information\r | |
205 | @param Length the length of the updated confidential information\r | |
206 | \r | |
207 | @retval RETURN_SUCCESS the information is saved successfully.\r | |
208 | @retval RETURN_INVALID_PARAMETER the Guid is NULL, or Buffer is NULL, or Length is 0.\r | |
209 | @retval RETURN_NOT_FOUND the requested GUID not found.\r | |
210 | @retval RETURN_BUFFER_TOO_SMALL the original buffer to too small to hold new information.\r | |
211 | @retval RETURN_ACCESS_DENIED it is too late to invoke this interface\r | |
212 | @retval RETURN_NOT_STARTED it is too early to invoke this interface\r | |
213 | @retval RETURN_UNSUPPORTED the service is not supported by implementaion.\r | |
214 | **/\r | |
215 | RETURN_STATUS\r | |
216 | EFIAPI\r | |
217 | UpdateLockBox (\r | |
218 | IN GUID *Guid,\r | |
219 | IN UINTN Offset,\r | |
220 | IN VOID *Buffer,\r | |
221 | IN UINTN Length\r | |
222 | )\r | |
223 | {\r | |
224 | EFI_STATUS Status;\r | |
225 | EFI_SMM_COMMUNICATION_PROTOCOL *SmmCommunication;\r | |
226 | EFI_SMM_LOCK_BOX_PARAMETER_UPDATE *LockBoxParameterUpdate;\r | |
227 | EFI_SMM_COMMUNICATE_HEADER *CommHeader;\r | |
228 | UINT8 CommBuffer[sizeof(EFI_GUID) + sizeof(UINTN) + sizeof(EFI_SMM_LOCK_BOX_PARAMETER_UPDATE)];\r | |
229 | UINTN CommSize;\r | |
230 | \r | |
231 | DEBUG ((EFI_D_INFO, "SmmLockBoxDxeLib UpdateLockBox - Enter\n"));\r | |
232 | \r | |
233 | //\r | |
234 | // Basic check\r | |
235 | //\r | |
236 | if ((Guid == NULL) || (Buffer == NULL) || (Length == 0)) {\r | |
237 | return EFI_INVALID_PARAMETER;\r | |
238 | }\r | |
239 | \r | |
240 | //\r | |
241 | // Get needed resource\r | |
242 | //\r | |
243 | Status = gBS->LocateProtocol (\r | |
244 | &gEfiSmmCommunicationProtocolGuid,\r | |
245 | NULL,\r | |
246 | (VOID **)&SmmCommunication\r | |
247 | );\r | |
248 | if (EFI_ERROR (Status)) {\r | |
249 | return EFI_NOT_STARTED;\r | |
250 | }\r | |
251 | \r | |
252 | //\r | |
253 | // Prepare parameter\r | |
254 | //\r | |
255 | CommHeader = (EFI_SMM_COMMUNICATE_HEADER *)&CommBuffer[0];\r | |
256 | CopyMem (&CommHeader->HeaderGuid, &gEfiSmmLockBoxCommunicationGuid, sizeof(gEfiSmmLockBoxCommunicationGuid));\r | |
257 | CommHeader->MessageLength = sizeof(*LockBoxParameterUpdate);\r | |
258 | \r | |
259 | LockBoxParameterUpdate = (EFI_SMM_LOCK_BOX_PARAMETER_UPDATE *)(UINTN)&CommBuffer[OFFSET_OF (EFI_SMM_COMMUNICATE_HEADER, Data)];\r | |
260 | LockBoxParameterUpdate->Header.Command = EFI_SMM_LOCK_BOX_COMMAND_UPDATE;\r | |
261 | LockBoxParameterUpdate->Header.DataLength = sizeof(*LockBoxParameterUpdate);\r | |
262 | LockBoxParameterUpdate->Header.ReturnStatus = (UINT64)-1;\r | |
263 | CopyMem (&LockBoxParameterUpdate->Guid, Guid, sizeof(*Guid));\r | |
264 | LockBoxParameterUpdate->Offset = (UINT64)Offset;\r | |
265 | LockBoxParameterUpdate->Buffer = (EFI_PHYSICAL_ADDRESS)(UINTN)Buffer;\r | |
266 | LockBoxParameterUpdate->Length = (UINT64)Length;\r | |
267 | \r | |
268 | //\r | |
269 | // Send command\r | |
270 | //\r | |
271 | CommSize = sizeof(CommBuffer);\r | |
272 | Status = SmmCommunication->Communicate (\r | |
273 | SmmCommunication,\r | |
274 | &CommBuffer[0],\r | |
275 | &CommSize\r | |
276 | );\r | |
277 | ASSERT_EFI_ERROR (Status);\r | |
278 | \r | |
279 | Status = (EFI_STATUS)LockBoxParameterUpdate->Header.ReturnStatus;\r | |
280 | \r | |
281 | DEBUG ((EFI_D_INFO, "SmmLockBoxDxeLib UpdateLockBox - Exit (%r)\n", Status));\r | |
282 | \r | |
283 | //\r | |
284 | // Done\r | |
285 | //\r | |
286 | return Status;\r | |
287 | }\r | |
288 | \r | |
289 | /**\r | |
290 | This function will restore confidential information from lockbox.\r | |
291 | \r | |
292 | @param Guid the guid to identify the confidential information\r | |
293 | @param Buffer the address of the restored confidential information\r | |
294 | NULL means restored to original address, Length MUST be NULL at same time.\r | |
295 | @param Length the length of the restored confidential information\r | |
296 | \r | |
297 | @retval RETURN_SUCCESS the information is restored successfully.\r | |
298 | @retval RETURN_INVALID_PARAMETER the Guid is NULL, or one of Buffer and Length is NULL.\r | |
299 | @retval RETURN_WRITE_PROTECTED Buffer and Length are NULL, but the LockBox has no \r | |
300 | LOCK_BOX_ATTRIBUTE_RESTORE_IN_PLACE attribute.\r | |
301 | @retval RETURN_BUFFER_TOO_SMALL the Length is too small to hold the confidential information.\r | |
302 | @retval RETURN_NOT_FOUND the requested GUID not found.\r | |
303 | @retval RETURN_NOT_STARTED it is too early to invoke this interface\r | |
304 | @retval RETURN_ACCESS_DENIED not allow to restore to the address\r | |
305 | @retval RETURN_UNSUPPORTED the service is not supported by implementaion.\r | |
306 | **/\r | |
307 | RETURN_STATUS\r | |
308 | EFIAPI\r | |
309 | RestoreLockBox (\r | |
310 | IN GUID *Guid,\r | |
311 | IN VOID *Buffer, OPTIONAL\r | |
312 | IN OUT UINTN *Length OPTIONAL\r | |
313 | )\r | |
314 | {\r | |
315 | EFI_STATUS Status;\r | |
316 | EFI_SMM_COMMUNICATION_PROTOCOL *SmmCommunication;\r | |
317 | EFI_SMM_LOCK_BOX_PARAMETER_RESTORE *LockBoxParameterRestore;\r | |
318 | EFI_SMM_COMMUNICATE_HEADER *CommHeader;\r | |
319 | UINT8 CommBuffer[sizeof(EFI_GUID) + sizeof(UINTN) + sizeof(EFI_SMM_LOCK_BOX_PARAMETER_RESTORE)];\r | |
320 | UINTN CommSize;\r | |
321 | \r | |
322 | DEBUG ((EFI_D_INFO, "SmmLockBoxDxeLib RestoreLockBox - Enter\n"));\r | |
323 | \r | |
324 | //\r | |
325 | // Basic check\r | |
326 | //\r | |
327 | if ((Guid == NULL) ||\r | |
328 | ((Buffer == NULL) && (Length != NULL)) ||\r | |
329 | ((Buffer != NULL) && (Length == NULL))) {\r | |
330 | return EFI_INVALID_PARAMETER;\r | |
331 | }\r | |
332 | \r | |
333 | //\r | |
334 | // Get needed resource\r | |
335 | //\r | |
336 | Status = gBS->LocateProtocol (\r | |
337 | &gEfiSmmCommunicationProtocolGuid,\r | |
338 | NULL,\r | |
339 | (VOID **)&SmmCommunication\r | |
340 | );\r | |
341 | if (EFI_ERROR (Status)) {\r | |
342 | return EFI_NOT_STARTED;\r | |
343 | }\r | |
344 | \r | |
345 | //\r | |
346 | // Prepare parameter\r | |
347 | //\r | |
348 | CommHeader = (EFI_SMM_COMMUNICATE_HEADER *)&CommBuffer[0];\r | |
349 | CopyMem (&CommHeader->HeaderGuid, &gEfiSmmLockBoxCommunicationGuid, sizeof(gEfiSmmLockBoxCommunicationGuid));\r | |
350 | CommHeader->MessageLength = sizeof(*LockBoxParameterRestore);\r | |
351 | \r | |
352 | LockBoxParameterRestore = (EFI_SMM_LOCK_BOX_PARAMETER_RESTORE *)&CommBuffer[OFFSET_OF (EFI_SMM_COMMUNICATE_HEADER, Data)];\r | |
353 | LockBoxParameterRestore->Header.Command = EFI_SMM_LOCK_BOX_COMMAND_RESTORE;\r | |
354 | LockBoxParameterRestore->Header.DataLength = sizeof(*LockBoxParameterRestore);\r | |
355 | LockBoxParameterRestore->Header.ReturnStatus = (UINT64)-1;\r | |
356 | CopyMem (&LockBoxParameterRestore->Guid, Guid, sizeof(*Guid));\r | |
357 | LockBoxParameterRestore->Buffer = (EFI_PHYSICAL_ADDRESS)(UINTN)Buffer;\r | |
358 | if (Length != NULL) {\r | |
359 | LockBoxParameterRestore->Length = (EFI_PHYSICAL_ADDRESS)*Length;\r | |
360 | } else {\r | |
361 | LockBoxParameterRestore->Length = 0;\r | |
362 | }\r | |
363 | \r | |
364 | //\r | |
365 | // Send command\r | |
366 | //\r | |
367 | CommSize = sizeof(CommBuffer);\r | |
368 | Status = SmmCommunication->Communicate (\r | |
369 | SmmCommunication,\r | |
370 | &CommBuffer[0],\r | |
371 | &CommSize\r | |
372 | );\r | |
373 | ASSERT_EFI_ERROR (Status);\r | |
374 | \r | |
375 | if (Length != NULL) {\r | |
376 | *Length = (UINTN)LockBoxParameterRestore->Length;\r | |
377 | }\r | |
378 | \r | |
379 | Status = (EFI_STATUS)LockBoxParameterRestore->Header.ReturnStatus;\r | |
380 | \r | |
381 | DEBUG ((EFI_D_INFO, "SmmLockBoxDxeLib RestoreLockBox - Exit (%r)\n", Status));\r | |
382 | \r | |
383 | //\r | |
384 | // Done\r | |
385 | //\r | |
386 | return Status;\r | |
387 | }\r | |
388 | \r | |
389 | /**\r | |
390 | This function will restore confidential information from all lockbox which have RestoreInPlace attribute.\r | |
391 | \r | |
392 | @retval RETURN_SUCCESS the information is restored successfully.\r | |
393 | @retval RETURN_NOT_STARTED it is too early to invoke this interface\r | |
394 | @retval RETURN_UNSUPPORTED the service is not supported by implementaion.\r | |
395 | **/\r | |
396 | RETURN_STATUS\r | |
397 | EFIAPI\r | |
398 | RestoreAllLockBoxInPlace (\r | |
399 | VOID\r | |
400 | )\r | |
401 | {\r | |
402 | EFI_STATUS Status;\r | |
403 | EFI_SMM_COMMUNICATION_PROTOCOL *SmmCommunication;\r | |
404 | EFI_SMM_LOCK_BOX_PARAMETER_RESTORE_ALL_IN_PLACE *LockBoxParameterRestoreAllInPlace;\r | |
405 | EFI_SMM_COMMUNICATE_HEADER *CommHeader;\r | |
406 | UINT8 CommBuffer[sizeof(EFI_GUID) + sizeof(UINTN) + sizeof(EFI_SMM_LOCK_BOX_PARAMETER_RESTORE_ALL_IN_PLACE)];\r | |
407 | UINTN CommSize;\r | |
408 | \r | |
409 | DEBUG ((EFI_D_INFO, "SmmLockBoxDxeLib RestoreAllLockBoxInPlace - Enter\n"));\r | |
410 | \r | |
411 | //\r | |
412 | // Get needed resource\r | |
413 | //\r | |
414 | Status = gBS->LocateProtocol (\r | |
415 | &gEfiSmmCommunicationProtocolGuid,\r | |
416 | NULL,\r | |
417 | (VOID **)&SmmCommunication\r | |
418 | );\r | |
419 | if (EFI_ERROR (Status)) {\r | |
420 | return EFI_NOT_STARTED;\r | |
421 | }\r | |
422 | \r | |
423 | //\r | |
424 | // Prepare parameter\r | |
425 | //\r | |
426 | CommHeader = (EFI_SMM_COMMUNICATE_HEADER *)&CommBuffer[0];\r | |
427 | CopyMem (&CommHeader->HeaderGuid, &gEfiSmmLockBoxCommunicationGuid, sizeof(gEfiSmmLockBoxCommunicationGuid));\r | |
428 | CommHeader->MessageLength = sizeof(*LockBoxParameterRestoreAllInPlace);\r | |
429 | \r | |
430 | LockBoxParameterRestoreAllInPlace = (EFI_SMM_LOCK_BOX_PARAMETER_RESTORE_ALL_IN_PLACE *)&CommBuffer[OFFSET_OF (EFI_SMM_COMMUNICATE_HEADER, Data)];\r | |
431 | LockBoxParameterRestoreAllInPlace->Header.Command = EFI_SMM_LOCK_BOX_COMMAND_RESTORE_ALL_IN_PLACE;\r | |
432 | LockBoxParameterRestoreAllInPlace->Header.DataLength = sizeof(*LockBoxParameterRestoreAllInPlace);\r | |
433 | LockBoxParameterRestoreAllInPlace->Header.ReturnStatus = (UINT64)-1;\r | |
434 | \r | |
435 | //\r | |
436 | // Send command\r | |
437 | //\r | |
438 | CommSize = sizeof(CommBuffer);\r | |
439 | Status = SmmCommunication->Communicate (\r | |
440 | SmmCommunication,\r | |
441 | &CommBuffer[0],\r | |
442 | &CommSize\r | |
443 | );\r | |
444 | ASSERT_EFI_ERROR (Status);\r | |
445 | \r | |
446 | Status = (EFI_STATUS)LockBoxParameterRestoreAllInPlace->Header.ReturnStatus;\r | |
447 | \r | |
448 | DEBUG ((EFI_D_INFO, "SmmLockBoxDxeLib RestoreAllLockBoxInPlace - Exit (%r)\n", Status));\r | |
449 | \r | |
450 | //\r | |
451 | // Done\r | |
452 | //\r | |
453 | return Status;\r | |
454 | }\r | |
455 | \r |