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1abfa4ce JY |
1 | /** @file\r |
2 | This module implements Tcg2 Protocol.\r | |
b3548d32 | 3 | \r |
930fcd9f | 4 | Copyright (c) 2015 - 2019, Intel Corporation. All rights reserved.<BR>\r |
336dbfd1 | 5 | (C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>\r |
289b714b | 6 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
1abfa4ce JY |
7 | \r |
8 | **/\r | |
9 | \r | |
10 | #include <PiDxe.h>\r | |
11 | #include <IndustryStandard/Acpi.h>\r | |
12 | #include <IndustryStandard/PeImage.h>\r | |
1abfa4ce JY |
13 | #include <IndustryStandard/TcpaAcpi.h>\r |
14 | \r | |
15 | #include <Guid/GlobalVariable.h>\r | |
1abfa4ce JY |
16 | #include <Guid/HobList.h>\r |
17 | #include <Guid/TcgEventHob.h>\r | |
18 | #include <Guid/EventGroup.h>\r | |
19 | #include <Guid/EventExitBootServiceFailed.h>\r | |
20 | #include <Guid/ImageAuthentication.h>\r | |
21 | #include <Guid/TpmInstance.h>\r | |
22 | \r | |
23 | #include <Protocol/DevicePath.h>\r | |
24 | #include <Protocol/MpService.h>\r | |
25 | #include <Protocol/VariableWrite.h>\r | |
26 | #include <Protocol/Tcg2Protocol.h>\r | |
27 | #include <Protocol/TrEEProtocol.h>\r | |
9d5dfe9d | 28 | #include <Protocol/ResetNotification.h>\r |
1abfa4ce JY |
29 | \r |
30 | #include <Library/DebugLib.h>\r | |
31 | #include <Library/BaseMemoryLib.h>\r | |
32 | #include <Library/UefiRuntimeServicesTableLib.h>\r | |
33 | #include <Library/UefiDriverEntryPoint.h>\r | |
34 | #include <Library/HobLib.h>\r | |
35 | #include <Library/UefiBootServicesTableLib.h>\r | |
36 | #include <Library/BaseLib.h>\r | |
37 | #include <Library/MemoryAllocationLib.h>\r | |
38 | #include <Library/PrintLib.h>\r | |
39 | #include <Library/Tpm2CommandLib.h>\r | |
40 | #include <Library/PcdLib.h>\r | |
41 | #include <Library/UefiLib.h>\r | |
42 | #include <Library/Tpm2DeviceLib.h>\r | |
43 | #include <Library/HashLib.h>\r | |
44 | #include <Library/PerformanceLib.h>\r | |
45 | #include <Library/ReportStatusCodeLib.h>\r | |
46 | #include <Library/Tcg2PhysicalPresenceLib.h>\r | |
47 | \r | |
48 | #define PERF_ID_TCG2_DXE 0x3120\r | |
49 | \r | |
50 | typedef struct {\r | |
c411b485 MK |
51 | CHAR16 *VariableName;\r |
52 | EFI_GUID *VendorGuid;\r | |
1abfa4ce JY |
53 | } VARIABLE_TYPE;\r |
54 | \r | |
c411b485 MK |
55 | #define TCG2_DEFAULT_MAX_COMMAND_SIZE 0x1000\r |
56 | #define TCG2_DEFAULT_MAX_RESPONSE_SIZE 0x1000\r | |
1abfa4ce JY |
57 | \r |
58 | typedef struct {\r | |
c411b485 MK |
59 | EFI_GUID *EventGuid;\r |
60 | EFI_TCG2_EVENT_LOG_FORMAT LogFormat;\r | |
1abfa4ce JY |
61 | } TCG2_EVENT_INFO_STRUCT;\r |
62 | \r | |
c411b485 MK |
63 | TCG2_EVENT_INFO_STRUCT mTcg2EventInfo[] = {\r |
64 | { &gTcgEventEntryHobGuid, EFI_TCG2_EVENT_LOG_FORMAT_TCG_1_2 },\r | |
65 | { &gTcgEvent2EntryHobGuid, EFI_TCG2_EVENT_LOG_FORMAT_TCG_2 },\r | |
1abfa4ce JY |
66 | };\r |
67 | \r | |
c411b485 | 68 | #define TCG_EVENT_LOG_AREA_COUNT_MAX 2\r |
1abfa4ce JY |
69 | \r |
70 | typedef struct {\r | |
c411b485 MK |
71 | EFI_TCG2_EVENT_LOG_FORMAT EventLogFormat;\r |
72 | EFI_PHYSICAL_ADDRESS Lasa;\r | |
73 | UINT64 Laml;\r | |
74 | UINTN EventLogSize;\r | |
75 | UINT8 *LastEvent;\r | |
76 | BOOLEAN EventLogStarted;\r | |
77 | BOOLEAN EventLogTruncated;\r | |
78 | UINTN Next800155EventOffset;\r | |
1abfa4ce JY |
79 | } TCG_EVENT_LOG_AREA_STRUCT;\r |
80 | \r | |
81 | typedef struct _TCG_DXE_DATA {\r | |
c411b485 MK |
82 | EFI_TCG2_BOOT_SERVICE_CAPABILITY BsCap;\r |
83 | TCG_EVENT_LOG_AREA_STRUCT EventLogAreaStruct[TCG_EVENT_LOG_AREA_COUNT_MAX];\r | |
84 | BOOLEAN GetEventLogCalled[TCG_EVENT_LOG_AREA_COUNT_MAX];\r | |
85 | TCG_EVENT_LOG_AREA_STRUCT FinalEventLogAreaStruct[TCG_EVENT_LOG_AREA_COUNT_MAX];\r | |
86 | EFI_TCG2_FINAL_EVENTS_TABLE *FinalEventsTable[TCG_EVENT_LOG_AREA_COUNT_MAX];\r | |
1abfa4ce JY |
87 | } TCG_DXE_DATA;\r |
88 | \r | |
c411b485 | 89 | TCG_DXE_DATA mTcgDxeData = {\r |
1abfa4ce | 90 | {\r |
c411b485 MK |
91 | sizeof (EFI_TCG2_BOOT_SERVICE_CAPABILITY), // Size\r |
92 | { 1, 1 }, // StructureVersion\r | |
93 | { 1, 1 }, // ProtocolVersion\r | |
94 | EFI_TCG2_BOOT_HASH_ALG_SHA1, // HashAlgorithmBitmap\r | |
95 | EFI_TCG2_EVENT_LOG_FORMAT_TCG_1_2, // SupportedEventLogs\r | |
96 | TRUE, // TPMPresentFlag\r | |
97 | TCG2_DEFAULT_MAX_COMMAND_SIZE, // MaxCommandSize\r | |
98 | TCG2_DEFAULT_MAX_RESPONSE_SIZE, // MaxResponseSize\r | |
99 | 0, // ManufacturerID\r | |
100 | 0, // NumberOfPCRBanks\r | |
101 | 0, // ActivePcrBanks\r | |
1abfa4ce JY |
102 | },\r |
103 | };\r | |
104 | \r | |
c411b485 MK |
105 | UINTN mBootAttempts = 0;\r |
106 | CHAR16 mBootVarName[] = L"BootOrder";\r | |
1abfa4ce JY |
107 | \r |
108 | VARIABLE_TYPE mVariableType[] = {\r | |
c411b485 MK |
109 | { EFI_SECURE_BOOT_MODE_NAME, &gEfiGlobalVariableGuid },\r |
110 | { EFI_PLATFORM_KEY_NAME, &gEfiGlobalVariableGuid },\r | |
111 | { EFI_KEY_EXCHANGE_KEY_NAME, &gEfiGlobalVariableGuid },\r | |
112 | { EFI_IMAGE_SECURITY_DATABASE, &gEfiImageSecurityDatabaseGuid },\r | |
113 | { EFI_IMAGE_SECURITY_DATABASE1, &gEfiImageSecurityDatabaseGuid },\r | |
1abfa4ce JY |
114 | };\r |
115 | \r | |
c411b485 | 116 | EFI_HANDLE mImageHandle;\r |
1abfa4ce JY |
117 | \r |
118 | /**\r | |
119 | Measure PE image into TPM log based on the authenticode image hashing in\r | |
120 | PE/COFF Specification 8.0 Appendix A.\r | |
121 | \r | |
122 | Caution: This function may receive untrusted input.\r | |
123 | PE/COFF image is external input, so this function will validate its data structure\r | |
124 | within this image buffer before use.\r | |
125 | \r | |
5a8eae95 LG |
126 | Notes: PE/COFF image is checked by BasePeCoffLib PeCoffLoaderGetImageInfo().\r |
127 | \r | |
1abfa4ce JY |
128 | @param[in] PCRIndex TPM PCR index\r |
129 | @param[in] ImageAddress Start address of image buffer.\r | |
130 | @param[in] ImageSize Image size\r | |
d6b926e7 | 131 | @param[out] DigestList Digest list of this image.\r |
1abfa4ce JY |
132 | \r |
133 | @retval EFI_SUCCESS Successfully measure image.\r | |
134 | @retval EFI_OUT_OF_RESOURCES No enough resource to measure image.\r | |
135 | @retval other error value\r | |
136 | **/\r | |
137 | EFI_STATUS\r | |
138 | MeasurePeImageAndExtend (\r | |
c411b485 MK |
139 | IN UINT32 PCRIndex,\r |
140 | IN EFI_PHYSICAL_ADDRESS ImageAddress,\r | |
141 | IN UINTN ImageSize,\r | |
142 | OUT TPML_DIGEST_VALUES *DigestList\r | |
1abfa4ce JY |
143 | );\r |
144 | \r | |
145 | /**\r | |
146 | \r | |
147 | This function dump raw data.\r | |
148 | \r | |
149 | @param Data raw data\r | |
150 | @param Size raw data size\r | |
151 | \r | |
152 | **/\r | |
153 | VOID\r | |
154 | InternalDumpData (\r | |
155 | IN UINT8 *Data,\r | |
156 | IN UINTN Size\r | |
157 | )\r | |
158 | {\r | |
159 | UINTN Index;\r | |
c411b485 | 160 | \r |
1abfa4ce | 161 | for (Index = 0; Index < Size; Index++) {\r |
e905fbb0 | 162 | DEBUG ((DEBUG_INFO, "%02x", (UINTN)Data[Index]));\r |
1abfa4ce JY |
163 | }\r |
164 | }\r | |
165 | \r | |
a2612cf7 ZC |
166 | /**\r |
167 | \r | |
168 | This function initialize TCG_PCR_EVENT2_HDR for EV_NO_ACTION Event Type other than EFI Specification ID event\r | |
169 | The behavior is defined by TCG PC Client PFP Spec. Section 9.3.4 EV_NO_ACTION Event Types\r | |
170 | \r | |
171 | @param[in, out] NoActionEvent Event Header of EV_NO_ACTION Event\r | |
172 | @param[in] EventSize Event Size of the EV_NO_ACTION Event\r | |
173 | \r | |
174 | **/\r | |
175 | VOID\r | |
176 | InitNoActionEvent (\r | |
177 | IN OUT TCG_PCR_EVENT2_HDR *NoActionEvent,\r | |
178 | IN UINT32 EventSize\r | |
c411b485 | 179 | )\r |
a2612cf7 | 180 | {\r |
c411b485 MK |
181 | UINT32 DigestListCount;\r |
182 | TPMI_ALG_HASH HashAlgId;\r | |
183 | UINT8 *DigestBuffer;\r | |
a2612cf7 ZC |
184 | \r |
185 | DigestBuffer = (UINT8 *)NoActionEvent->Digests.digests;\r | |
186 | DigestListCount = 0;\r | |
187 | \r | |
188 | NoActionEvent->PCRIndex = 0;\r | |
189 | NoActionEvent->EventType = EV_NO_ACTION;\r | |
190 | \r | |
191 | //\r | |
192 | // Set Hash count & hashAlg accordingly, while Digest.digests[n].digest to all 0\r | |
193 | //\r | |
c411b485 | 194 | ZeroMem (&NoActionEvent->Digests, sizeof (NoActionEvent->Digests));\r |
a2612cf7 ZC |
195 | \r |
196 | if ((mTcgDxeData.BsCap.ActivePcrBanks & EFI_TCG2_BOOT_HASH_ALG_SHA1) != 0) {\r | |
c411b485 MK |
197 | HashAlgId = TPM_ALG_SHA1;\r |
198 | CopyMem (DigestBuffer, &HashAlgId, sizeof (TPMI_ALG_HASH));\r | |
199 | DigestBuffer += sizeof (TPMI_ALG_HASH) + GetHashSizeFromAlgo (HashAlgId);\r | |
200 | DigestListCount++;\r | |
a2612cf7 ZC |
201 | }\r |
202 | \r | |
203 | if ((mTcgDxeData.BsCap.ActivePcrBanks & EFI_TCG2_BOOT_HASH_ALG_SHA256) != 0) {\r | |
c411b485 MK |
204 | HashAlgId = TPM_ALG_SHA256;\r |
205 | CopyMem (DigestBuffer, &HashAlgId, sizeof (TPMI_ALG_HASH));\r | |
206 | DigestBuffer += sizeof (TPMI_ALG_HASH) + GetHashSizeFromAlgo (HashAlgId);\r | |
207 | DigestListCount++;\r | |
a2612cf7 ZC |
208 | }\r |
209 | \r | |
210 | if ((mTcgDxeData.BsCap.ActivePcrBanks & EFI_TCG2_BOOT_HASH_ALG_SHA384) != 0) {\r | |
211 | HashAlgId = TPM_ALG_SHA384;\r | |
c411b485 MK |
212 | CopyMem (DigestBuffer, &HashAlgId, sizeof (TPMI_ALG_HASH));\r |
213 | DigestBuffer += sizeof (TPMI_ALG_HASH) + GetHashSizeFromAlgo (HashAlgId);\r | |
a2612cf7 ZC |
214 | DigestListCount++;\r |
215 | }\r | |
216 | \r | |
217 | if ((mTcgDxeData.BsCap.ActivePcrBanks & EFI_TCG2_BOOT_HASH_ALG_SHA512) != 0) {\r | |
218 | HashAlgId = TPM_ALG_SHA512;\r | |
c411b485 MK |
219 | CopyMem (DigestBuffer, &HashAlgId, sizeof (TPMI_ALG_HASH));\r |
220 | DigestBuffer += sizeof (TPMI_ALG_HASH) + GetHashSizeFromAlgo (HashAlgId);\r | |
a2612cf7 ZC |
221 | DigestListCount++;\r |
222 | }\r | |
223 | \r | |
224 | if ((mTcgDxeData.BsCap.ActivePcrBanks & EFI_TCG2_BOOT_HASH_ALG_SM3_256) != 0) {\r | |
225 | HashAlgId = TPM_ALG_SM3_256;\r | |
c411b485 MK |
226 | CopyMem (DigestBuffer, &HashAlgId, sizeof (TPMI_ALG_HASH));\r |
227 | DigestBuffer += sizeof (TPMI_ALG_HASH) + GetHashSizeFromAlgo (HashAlgId);\r | |
a2612cf7 ZC |
228 | DigestListCount++;\r |
229 | }\r | |
230 | \r | |
231 | //\r | |
232 | // Set Digests Count\r | |
233 | //\r | |
234 | WriteUnaligned32 ((UINT32 *)&NoActionEvent->Digests.count, DigestListCount);\r | |
235 | \r | |
236 | //\r | |
237 | // Set Event Size\r | |
238 | //\r | |
c411b485 | 239 | WriteUnaligned32 ((UINT32 *)DigestBuffer, EventSize);\r |
a2612cf7 ZC |
240 | }\r |
241 | \r | |
1abfa4ce JY |
242 | /**\r |
243 | \r | |
244 | This function dump raw data with colume format.\r | |
245 | \r | |
246 | @param Data raw data\r | |
247 | @param Size raw data size\r | |
248 | \r | |
249 | **/\r | |
250 | VOID\r | |
251 | InternalDumpHex (\r | |
252 | IN UINT8 *Data,\r | |
253 | IN UINTN Size\r | |
254 | )\r | |
255 | {\r | |
c411b485 MK |
256 | UINTN Index;\r |
257 | UINTN Count;\r | |
258 | UINTN Left;\r | |
1abfa4ce | 259 | \r |
c411b485 | 260 | #define COLUME_SIZE (16 * 2)\r |
1abfa4ce JY |
261 | \r |
262 | Count = Size / COLUME_SIZE;\r | |
263 | Left = Size % COLUME_SIZE;\r | |
264 | for (Index = 0; Index < Count; Index++) {\r | |
e905fbb0 | 265 | DEBUG ((DEBUG_INFO, "%04x: ", Index * COLUME_SIZE));\r |
1abfa4ce | 266 | InternalDumpData (Data + Index * COLUME_SIZE, COLUME_SIZE);\r |
e905fbb0 | 267 | DEBUG ((DEBUG_INFO, "\n"));\r |
1abfa4ce JY |
268 | }\r |
269 | \r | |
270 | if (Left != 0) {\r | |
e905fbb0 | 271 | DEBUG ((DEBUG_INFO, "%04x: ", Index * COLUME_SIZE));\r |
1abfa4ce | 272 | InternalDumpData (Data + Index * COLUME_SIZE, Left);\r |
e905fbb0 | 273 | DEBUG ((DEBUG_INFO, "\n"));\r |
1abfa4ce JY |
274 | }\r |
275 | }\r | |
276 | \r | |
1abfa4ce JY |
277 | /**\r |
278 | Get All processors EFI_CPU_LOCATION in system. LocationBuf is allocated inside the function\r | |
279 | Caller is responsible to free LocationBuf.\r | |
280 | \r | |
281 | @param[out] LocationBuf Returns Processor Location Buffer.\r | |
282 | @param[out] Num Returns processor number.\r | |
283 | \r | |
284 | @retval EFI_SUCCESS Operation completed successfully.\r | |
285 | @retval EFI_UNSUPPORTED MpService protocol not found.\r | |
286 | \r | |
287 | **/\r | |
288 | EFI_STATUS\r | |
289 | GetProcessorsCpuLocation (\r | |
c411b485 MK |
290 | OUT EFI_CPU_PHYSICAL_LOCATION **LocationBuf,\r |
291 | OUT UINTN *Num\r | |
1abfa4ce JY |
292 | )\r |
293 | {\r | |
c411b485 MK |
294 | EFI_STATUS Status;\r |
295 | EFI_MP_SERVICES_PROTOCOL *MpProtocol;\r | |
296 | UINTN ProcessorNum;\r | |
297 | UINTN EnabledProcessorNum;\r | |
298 | EFI_PROCESSOR_INFORMATION ProcessorInfo;\r | |
299 | EFI_CPU_PHYSICAL_LOCATION *ProcessorLocBuf;\r | |
300 | UINTN Index;\r | |
301 | \r | |
302 | Status = gBS->LocateProtocol (&gEfiMpServiceProtocolGuid, NULL, (VOID **)&MpProtocol);\r | |
1abfa4ce JY |
303 | if (EFI_ERROR (Status)) {\r |
304 | //\r | |
305 | // MP protocol is not installed\r | |
306 | //\r | |
307 | return EFI_UNSUPPORTED;\r | |
308 | }\r | |
309 | \r | |
c411b485 | 310 | Status = MpProtocol->GetNumberOfProcessors (\r |
1abfa4ce JY |
311 | MpProtocol,\r |
312 | &ProcessorNum,\r | |
313 | &EnabledProcessorNum\r | |
314 | );\r | |
c411b485 | 315 | if (EFI_ERROR (Status)) {\r |
1abfa4ce JY |
316 | return Status;\r |
317 | }\r | |
318 | \r | |
c411b485 | 319 | Status = gBS->AllocatePool (\r |
1abfa4ce | 320 | EfiBootServicesData,\r |
c411b485 MK |
321 | sizeof (EFI_CPU_PHYSICAL_LOCATION) * ProcessorNum,\r |
322 | (VOID **)&ProcessorLocBuf\r | |
1abfa4ce | 323 | );\r |
c411b485 | 324 | if (EFI_ERROR (Status)) {\r |
1abfa4ce JY |
325 | return Status;\r |
326 | }\r | |
327 | \r | |
328 | //\r | |
329 | // Get each processor Location info\r | |
330 | //\r | |
331 | for (Index = 0; Index < ProcessorNum; Index++) {\r | |
c411b485 | 332 | Status = MpProtocol->GetProcessorInfo (\r |
1abfa4ce JY |
333 | MpProtocol,\r |
334 | Index,\r | |
335 | &ProcessorInfo\r | |
336 | );\r | |
c411b485 MK |
337 | if (EFI_ERROR (Status)) {\r |
338 | FreePool (ProcessorLocBuf);\r | |
1abfa4ce JY |
339 | return Status;\r |
340 | }\r | |
341 | \r | |
342 | //\r | |
343 | // Get all Processor Location info & measure\r | |
344 | //\r | |
c411b485 | 345 | CopyMem (\r |
1abfa4ce JY |
346 | &ProcessorLocBuf[Index],\r |
347 | &ProcessorInfo.Location,\r | |
c411b485 | 348 | sizeof (EFI_CPU_PHYSICAL_LOCATION)\r |
1abfa4ce JY |
349 | );\r |
350 | }\r | |
351 | \r | |
352 | *LocationBuf = ProcessorLocBuf;\r | |
c411b485 | 353 | *Num = ProcessorNum;\r |
1abfa4ce JY |
354 | \r |
355 | return Status;\r | |
356 | }\r | |
357 | \r | |
358 | /**\r | |
359 | The EFI_TCG2_PROTOCOL GetCapability function call provides protocol\r | |
360 | capability information and state information.\r | |
361 | \r | |
362 | @param[in] This Indicates the calling context\r | |
363 | @param[in, out] ProtocolCapability The caller allocates memory for a EFI_TCG2_BOOT_SERVICE_CAPABILITY\r | |
364 | structure and sets the size field to the size of the structure allocated.\r | |
365 | The callee fills in the fields with the EFI protocol capability information\r | |
366 | and the current EFI TCG2 state information up to the number of fields which\r | |
367 | fit within the size of the structure passed in.\r | |
368 | \r | |
369 | @retval EFI_SUCCESS Operation completed successfully.\r | |
370 | @retval EFI_DEVICE_ERROR The command was unsuccessful.\r | |
b3548d32 | 371 | The ProtocolCapability variable will not be populated.\r |
1abfa4ce JY |
372 | @retval EFI_INVALID_PARAMETER One or more of the parameters are incorrect.\r |
373 | The ProtocolCapability variable will not be populated.\r | |
374 | @retval EFI_BUFFER_TOO_SMALL The ProtocolCapability variable is too small to hold the full response.\r | |
b3548d32 | 375 | It will be partially populated (required Size field will be set).\r |
1abfa4ce JY |
376 | **/\r |
377 | EFI_STATUS\r | |
378 | EFIAPI\r | |
379 | Tcg2GetCapability (\r | |
c411b485 MK |
380 | IN EFI_TCG2_PROTOCOL *This,\r |
381 | IN OUT EFI_TCG2_BOOT_SERVICE_CAPABILITY *ProtocolCapability\r | |
1abfa4ce JY |
382 | )\r |
383 | {\r | |
336dbfd1 | 384 | DEBUG ((DEBUG_VERBOSE, "Tcg2GetCapability ...\n"));\r |
1abfa4ce JY |
385 | \r |
386 | if ((This == NULL) || (ProtocolCapability == NULL)) {\r | |
387 | return EFI_INVALID_PARAMETER;\r | |
388 | }\r | |
b3548d32 | 389 | \r |
336dbfd1 | 390 | DEBUG ((DEBUG_VERBOSE, "Size - 0x%x\n", ProtocolCapability->Size));\r |
c411b485 | 391 | DEBUG ((DEBUG_VERBOSE, " 1.1 - 0x%x, 1.0 - 0x%x\n", sizeof (EFI_TCG2_BOOT_SERVICE_CAPABILITY), sizeof (TREE_BOOT_SERVICE_CAPABILITY_1_0)));\r |
1abfa4ce JY |
392 | \r |
393 | if (ProtocolCapability->Size < mTcgDxeData.BsCap.Size) {\r | |
394 | //\r | |
395 | // Handle the case that firmware support 1.1 but OS only support 1.0.\r | |
396 | //\r | |
b3548d32 | 397 | if ((mTcgDxeData.BsCap.ProtocolVersion.Major > 0x01) ||\r |
c411b485 MK |
398 | ((mTcgDxeData.BsCap.ProtocolVersion.Major == 0x01) && ((mTcgDxeData.BsCap.ProtocolVersion.Minor > 0x00))))\r |
399 | {\r | |
400 | if (ProtocolCapability->Size >= sizeof (TREE_BOOT_SERVICE_CAPABILITY_1_0)) {\r | |
401 | CopyMem (ProtocolCapability, &mTcgDxeData.BsCap, sizeof (TREE_BOOT_SERVICE_CAPABILITY_1_0));\r | |
402 | ProtocolCapability->Size = sizeof (TREE_BOOT_SERVICE_CAPABILITY_1_0);\r | |
1abfa4ce JY |
403 | ProtocolCapability->StructureVersion.Major = 1;\r |
404 | ProtocolCapability->StructureVersion.Minor = 0;\r | |
c411b485 MK |
405 | ProtocolCapability->ProtocolVersion.Major = 1;\r |
406 | ProtocolCapability->ProtocolVersion.Minor = 0;\r | |
e905fbb0 | 407 | DEBUG ((DEBUG_ERROR, "TreeGetCapability (Compatible) - %r\n", EFI_SUCCESS));\r |
1abfa4ce JY |
408 | return EFI_SUCCESS;\r |
409 | }\r | |
410 | }\r | |
c411b485 | 411 | \r |
1abfa4ce JY |
412 | ProtocolCapability->Size = mTcgDxeData.BsCap.Size;\r |
413 | return EFI_BUFFER_TOO_SMALL;\r | |
414 | }\r | |
415 | \r | |
416 | CopyMem (ProtocolCapability, &mTcgDxeData.BsCap, mTcgDxeData.BsCap.Size);\r | |
336dbfd1 | 417 | DEBUG ((DEBUG_VERBOSE, "Tcg2GetCapability - %r\n", EFI_SUCCESS));\r |
1abfa4ce JY |
418 | return EFI_SUCCESS;\r |
419 | }\r | |
420 | \r | |
421 | /**\r | |
422 | This function dump PCR event.\r | |
423 | \r | |
424 | @param[in] EventHdr TCG PCR event structure.\r | |
425 | **/\r | |
426 | VOID\r | |
427 | DumpEvent (\r | |
c411b485 | 428 | IN TCG_PCR_EVENT_HDR *EventHdr\r |
1abfa4ce JY |
429 | )\r |
430 | {\r | |
c411b485 | 431 | UINTN Index;\r |
1abfa4ce | 432 | \r |
e905fbb0 MK |
433 | DEBUG ((DEBUG_INFO, " Event:\n"));\r |
434 | DEBUG ((DEBUG_INFO, " PCRIndex - %d\n", EventHdr->PCRIndex));\r | |
435 | DEBUG ((DEBUG_INFO, " EventType - 0x%08x\n", EventHdr->EventType));\r | |
436 | DEBUG ((DEBUG_INFO, " Digest - "));\r | |
c411b485 | 437 | for (Index = 0; Index < sizeof (TCG_DIGEST); Index++) {\r |
e905fbb0 | 438 | DEBUG ((DEBUG_INFO, "%02x ", EventHdr->Digest.digest[Index]));\r |
1abfa4ce | 439 | }\r |
c411b485 | 440 | \r |
e905fbb0 MK |
441 | DEBUG ((DEBUG_INFO, "\n"));\r |
442 | DEBUG ((DEBUG_INFO, " EventSize - 0x%08x\n", EventHdr->EventSize));\r | |
1abfa4ce JY |
443 | InternalDumpHex ((UINT8 *)(EventHdr + 1), EventHdr->EventSize);\r |
444 | }\r | |
445 | \r | |
446 | /**\r | |
447 | This function dump TCG_EfiSpecIDEventStruct.\r | |
448 | \r | |
449 | @param[in] TcgEfiSpecIdEventStruct A pointer to TCG_EfiSpecIDEventStruct.\r | |
450 | **/\r | |
451 | VOID\r | |
452 | DumpTcgEfiSpecIdEventStruct (\r | |
c411b485 | 453 | IN TCG_EfiSpecIDEventStruct *TcgEfiSpecIdEventStruct\r |
1abfa4ce JY |
454 | )\r |
455 | {\r | |
a9092578 | 456 | TCG_EfiSpecIdEventAlgorithmSize *DigestSize;\r |
1abfa4ce | 457 | UINTN Index;\r |
a9092578 QS |
458 | UINT8 *VendorInfoSize;\r |
459 | UINT8 *VendorInfo;\r | |
460 | UINT32 NumberOfAlgorithms;\r | |
1abfa4ce | 461 | \r |
e905fbb0 MK |
462 | DEBUG ((DEBUG_INFO, " TCG_EfiSpecIDEventStruct:\n"));\r |
463 | DEBUG ((DEBUG_INFO, " signature - '"));\r | |
c411b485 | 464 | for (Index = 0; Index < sizeof (TcgEfiSpecIdEventStruct->signature); Index++) {\r |
e905fbb0 | 465 | DEBUG ((DEBUG_INFO, "%c", TcgEfiSpecIdEventStruct->signature[Index]));\r |
1abfa4ce | 466 | }\r |
c411b485 | 467 | \r |
e905fbb0 MK |
468 | DEBUG ((DEBUG_INFO, "'\n"));\r |
469 | DEBUG ((DEBUG_INFO, " platformClass - 0x%08x\n", TcgEfiSpecIdEventStruct->platformClass));\r | |
470 | DEBUG ((DEBUG_INFO, " specVersion - %d.%d%d\n", TcgEfiSpecIdEventStruct->specVersionMajor, TcgEfiSpecIdEventStruct->specVersionMinor, TcgEfiSpecIdEventStruct->specErrata));\r | |
471 | DEBUG ((DEBUG_INFO, " uintnSize - 0x%02x\n", TcgEfiSpecIdEventStruct->uintnSize));\r | |
1abfa4ce | 472 | \r |
c411b485 | 473 | CopyMem (&NumberOfAlgorithms, TcgEfiSpecIdEventStruct + 1, sizeof (NumberOfAlgorithms));\r |
e905fbb0 | 474 | DEBUG ((DEBUG_INFO, " NumberOfAlgorithms - 0x%08x\n", NumberOfAlgorithms));\r |
1abfa4ce | 475 | \r |
c411b485 | 476 | DigestSize = (TCG_EfiSpecIdEventAlgorithmSize *)((UINT8 *)TcgEfiSpecIdEventStruct + sizeof (*TcgEfiSpecIdEventStruct) + sizeof (NumberOfAlgorithms));\r |
a9092578 | 477 | for (Index = 0; Index < NumberOfAlgorithms; Index++) {\r |
e905fbb0 MK |
478 | DEBUG ((DEBUG_INFO, " digest(%d)\n", Index));\r |
479 | DEBUG ((DEBUG_INFO, " algorithmId - 0x%04x\n", DigestSize[Index].algorithmId));\r | |
480 | DEBUG ((DEBUG_INFO, " digestSize - 0x%04x\n", DigestSize[Index].digestSize));\r | |
1abfa4ce | 481 | }\r |
c411b485 | 482 | \r |
a9092578 | 483 | VendorInfoSize = (UINT8 *)&DigestSize[NumberOfAlgorithms];\r |
e905fbb0 | 484 | DEBUG ((DEBUG_INFO, " VendorInfoSize - 0x%02x\n", *VendorInfoSize));\r |
a9092578 | 485 | VendorInfo = VendorInfoSize + 1;\r |
e905fbb0 | 486 | DEBUG ((DEBUG_INFO, " VendorInfo - "));\r |
a9092578 | 487 | for (Index = 0; Index < *VendorInfoSize; Index++) {\r |
e905fbb0 | 488 | DEBUG ((DEBUG_INFO, "%02x ", VendorInfo[Index]));\r |
1abfa4ce | 489 | }\r |
c411b485 | 490 | \r |
e905fbb0 | 491 | DEBUG ((DEBUG_INFO, "\n"));\r |
1abfa4ce JY |
492 | }\r |
493 | \r | |
494 | /**\r | |
495 | This function get size of TCG_EfiSpecIDEventStruct.\r | |
496 | \r | |
497 | @param[in] TcgEfiSpecIdEventStruct A pointer to TCG_EfiSpecIDEventStruct.\r | |
498 | **/\r | |
499 | UINTN\r | |
500 | GetTcgEfiSpecIdEventStructSize (\r | |
c411b485 | 501 | IN TCG_EfiSpecIDEventStruct *TcgEfiSpecIdEventStruct\r |
1abfa4ce JY |
502 | )\r |
503 | {\r | |
a9092578 QS |
504 | TCG_EfiSpecIdEventAlgorithmSize *DigestSize;\r |
505 | UINT8 *VendorInfoSize;\r | |
506 | UINT32 NumberOfAlgorithms;\r | |
1abfa4ce | 507 | \r |
c411b485 | 508 | CopyMem (&NumberOfAlgorithms, TcgEfiSpecIdEventStruct + 1, sizeof (NumberOfAlgorithms));\r |
1abfa4ce | 509 | \r |
c411b485 | 510 | DigestSize = (TCG_EfiSpecIdEventAlgorithmSize *)((UINT8 *)TcgEfiSpecIdEventStruct + sizeof (*TcgEfiSpecIdEventStruct) + sizeof (NumberOfAlgorithms));\r |
a9092578 | 511 | VendorInfoSize = (UINT8 *)&DigestSize[NumberOfAlgorithms];\r |
c411b485 | 512 | return sizeof (TCG_EfiSpecIDEventStruct) + sizeof (UINT32) + (NumberOfAlgorithms * sizeof (TCG_EfiSpecIdEventAlgorithmSize)) + sizeof (UINT8) + (*VendorInfoSize);\r |
1abfa4ce JY |
513 | }\r |
514 | \r | |
515 | /**\r | |
516 | This function dump PCR event 2.\r | |
517 | \r | |
518 | @param[in] TcgPcrEvent2 TCG PCR event 2 structure.\r | |
519 | **/\r | |
520 | VOID\r | |
521 | DumpEvent2 (\r | |
c411b485 | 522 | IN TCG_PCR_EVENT2 *TcgPcrEvent2\r |
1abfa4ce JY |
523 | )\r |
524 | {\r | |
c411b485 MK |
525 | UINTN Index;\r |
526 | UINT32 DigestIndex;\r | |
527 | UINT32 DigestCount;\r | |
528 | TPMI_ALG_HASH HashAlgo;\r | |
529 | UINT32 DigestSize;\r | |
530 | UINT8 *DigestBuffer;\r | |
531 | UINT32 EventSize;\r | |
532 | UINT8 *EventBuffer;\r | |
1abfa4ce | 533 | \r |
e905fbb0 MK |
534 | DEBUG ((DEBUG_INFO, " Event:\n"));\r |
535 | DEBUG ((DEBUG_INFO, " PCRIndex - %d\n", TcgPcrEvent2->PCRIndex));\r | |
536 | DEBUG ((DEBUG_INFO, " EventType - 0x%08x\n", TcgPcrEvent2->EventType));\r | |
1abfa4ce | 537 | \r |
e905fbb0 | 538 | DEBUG ((DEBUG_INFO, " DigestCount: 0x%08x\n", TcgPcrEvent2->Digest.count));\r |
1abfa4ce | 539 | \r |
c411b485 MK |
540 | DigestCount = TcgPcrEvent2->Digest.count;\r |
541 | HashAlgo = TcgPcrEvent2->Digest.digests[0].hashAlg;\r | |
1abfa4ce JY |
542 | DigestBuffer = (UINT8 *)&TcgPcrEvent2->Digest.digests[0].digest;\r |
543 | for (DigestIndex = 0; DigestIndex < DigestCount; DigestIndex++) {\r | |
e905fbb0 MK |
544 | DEBUG ((DEBUG_INFO, " HashAlgo : 0x%04x\n", HashAlgo));\r |
545 | DEBUG ((DEBUG_INFO, " Digest(%d): ", DigestIndex));\r | |
1abfa4ce JY |
546 | DigestSize = GetHashSizeFromAlgo (HashAlgo);\r |
547 | for (Index = 0; Index < DigestSize; Index++) {\r | |
e905fbb0 | 548 | DEBUG ((DEBUG_INFO, "%02x ", DigestBuffer[Index]));\r |
1abfa4ce | 549 | }\r |
c411b485 | 550 | \r |
e905fbb0 | 551 | DEBUG ((DEBUG_INFO, "\n"));\r |
1abfa4ce JY |
552 | //\r |
553 | // Prepare next\r | |
554 | //\r | |
c411b485 MK |
555 | CopyMem (&HashAlgo, DigestBuffer + DigestSize, sizeof (TPMI_ALG_HASH));\r |
556 | DigestBuffer = DigestBuffer + DigestSize + sizeof (TPMI_ALG_HASH);\r | |
1abfa4ce | 557 | }\r |
c411b485 | 558 | \r |
e905fbb0 | 559 | DEBUG ((DEBUG_INFO, "\n"));\r |
c411b485 | 560 | DigestBuffer = DigestBuffer - sizeof (TPMI_ALG_HASH);\r |
1abfa4ce | 561 | \r |
c411b485 | 562 | CopyMem (&EventSize, DigestBuffer, sizeof (TcgPcrEvent2->EventSize));\r |
e905fbb0 | 563 | DEBUG ((DEBUG_INFO, " EventSize - 0x%08x\n", EventSize));\r |
c411b485 | 564 | EventBuffer = DigestBuffer + sizeof (TcgPcrEvent2->EventSize);\r |
1abfa4ce JY |
565 | InternalDumpHex (EventBuffer, EventSize);\r |
566 | }\r | |
567 | \r | |
568 | /**\r | |
569 | This function returns size of TCG PCR event 2.\r | |
b3548d32 | 570 | \r |
1abfa4ce JY |
571 | @param[in] TcgPcrEvent2 TCG PCR event 2 structure.\r |
572 | \r | |
573 | @return size of TCG PCR event 2.\r | |
574 | **/\r | |
575 | UINTN\r | |
576 | GetPcrEvent2Size (\r | |
c411b485 | 577 | IN TCG_PCR_EVENT2 *TcgPcrEvent2\r |
1abfa4ce JY |
578 | )\r |
579 | {\r | |
c411b485 MK |
580 | UINT32 DigestIndex;\r |
581 | UINT32 DigestCount;\r | |
582 | TPMI_ALG_HASH HashAlgo;\r | |
583 | UINT32 DigestSize;\r | |
584 | UINT8 *DigestBuffer;\r | |
585 | UINT32 EventSize;\r | |
586 | UINT8 *EventBuffer;\r | |
587 | \r | |
588 | DigestCount = TcgPcrEvent2->Digest.count;\r | |
589 | HashAlgo = TcgPcrEvent2->Digest.digests[0].hashAlg;\r | |
1abfa4ce JY |
590 | DigestBuffer = (UINT8 *)&TcgPcrEvent2->Digest.digests[0].digest;\r |
591 | for (DigestIndex = 0; DigestIndex < DigestCount; DigestIndex++) {\r | |
592 | DigestSize = GetHashSizeFromAlgo (HashAlgo);\r | |
593 | //\r | |
594 | // Prepare next\r | |
595 | //\r | |
c411b485 MK |
596 | CopyMem (&HashAlgo, DigestBuffer + DigestSize, sizeof (TPMI_ALG_HASH));\r |
597 | DigestBuffer = DigestBuffer + DigestSize + sizeof (TPMI_ALG_HASH);\r | |
1abfa4ce | 598 | }\r |
1abfa4ce | 599 | \r |
c411b485 MK |
600 | DigestBuffer = DigestBuffer - sizeof (TPMI_ALG_HASH);\r |
601 | \r | |
602 | CopyMem (&EventSize, DigestBuffer, sizeof (TcgPcrEvent2->EventSize));\r | |
603 | EventBuffer = DigestBuffer + sizeof (TcgPcrEvent2->EventSize);\r | |
1abfa4ce JY |
604 | \r |
605 | return (UINTN)EventBuffer + EventSize - (UINTN)TcgPcrEvent2;\r | |
606 | }\r | |
607 | \r | |
608 | /**\r | |
609 | This function dump event log.\r | |
610 | \r | |
611 | @param[in] EventLogFormat The type of the event log for which the information is requested.\r | |
612 | @param[in] EventLogLocation A pointer to the memory address of the event log.\r | |
613 | @param[in] EventLogLastEntry If the Event Log contains more than one entry, this is a pointer to the\r | |
614 | address of the start of the last entry in the event log in memory.\r | |
615 | @param[in] FinalEventsTable A pointer to the memory address of the final event table.\r | |
616 | **/\r | |
617 | VOID\r | |
618 | DumpEventLog (\r | |
c411b485 MK |
619 | IN EFI_TCG2_EVENT_LOG_FORMAT EventLogFormat,\r |
620 | IN EFI_PHYSICAL_ADDRESS EventLogLocation,\r | |
621 | IN EFI_PHYSICAL_ADDRESS EventLogLastEntry,\r | |
622 | IN EFI_TCG2_FINAL_EVENTS_TABLE *FinalEventsTable\r | |
1abfa4ce JY |
623 | )\r |
624 | {\r | |
625 | TCG_PCR_EVENT_HDR *EventHdr;\r | |
626 | TCG_PCR_EVENT2 *TcgPcrEvent2;\r | |
627 | TCG_EfiSpecIDEventStruct *TcgEfiSpecIdEventStruct;\r | |
628 | UINTN NumberOfEvents;\r | |
629 | \r | |
e905fbb0 | 630 | DEBUG ((DEBUG_INFO, "EventLogFormat: (0x%x)\n", EventLogFormat));\r |
b3548d32 | 631 | \r |
1abfa4ce | 632 | switch (EventLogFormat) {\r |
c411b485 MK |
633 | case EFI_TCG2_EVENT_LOG_FORMAT_TCG_1_2:\r |
634 | EventHdr = (TCG_PCR_EVENT_HDR *)(UINTN)EventLogLocation;\r | |
635 | while ((UINTN)EventHdr <= EventLogLastEntry) {\r | |
1abfa4ce | 636 | DumpEvent (EventHdr);\r |
c411b485 | 637 | EventHdr = (TCG_PCR_EVENT_HDR *)((UINTN)EventHdr + sizeof (TCG_PCR_EVENT_HDR) + EventHdr->EventSize);\r |
1abfa4ce | 638 | }\r |
1abfa4ce | 639 | \r |
c411b485 MK |
640 | if (FinalEventsTable == NULL) {\r |
641 | DEBUG ((DEBUG_INFO, "FinalEventsTable: NOT FOUND\n"));\r | |
642 | } else {\r | |
643 | DEBUG ((DEBUG_INFO, "FinalEventsTable: (0x%x)\n", FinalEventsTable));\r | |
644 | DEBUG ((DEBUG_INFO, " Version: (0x%x)\n", FinalEventsTable->Version));\r | |
645 | DEBUG ((DEBUG_INFO, " NumberOfEvents: (0x%x)\n", FinalEventsTable->NumberOfEvents));\r | |
646 | \r | |
647 | EventHdr = (TCG_PCR_EVENT_HDR *)(UINTN)(FinalEventsTable + 1);\r | |
648 | for (NumberOfEvents = 0; NumberOfEvents < FinalEventsTable->NumberOfEvents; NumberOfEvents++) {\r | |
649 | DumpEvent (EventHdr);\r | |
650 | EventHdr = (TCG_PCR_EVENT_HDR *)((UINTN)EventHdr + sizeof (TCG_PCR_EVENT_HDR) + EventHdr->EventSize);\r | |
651 | }\r | |
652 | }\r | |
1abfa4ce | 653 | \r |
c411b485 MK |
654 | break;\r |
655 | case EFI_TCG2_EVENT_LOG_FORMAT_TCG_2:\r | |
656 | //\r | |
657 | // Dump first event\r | |
658 | //\r | |
659 | EventHdr = (TCG_PCR_EVENT_HDR *)(UINTN)EventLogLocation;\r | |
660 | DumpEvent (EventHdr);\r | |
1abfa4ce | 661 | \r |
c411b485 MK |
662 | TcgEfiSpecIdEventStruct = (TCG_EfiSpecIDEventStruct *)(EventHdr + 1);\r |
663 | DumpTcgEfiSpecIdEventStruct (TcgEfiSpecIdEventStruct);\r | |
1abfa4ce | 664 | \r |
c411b485 MK |
665 | TcgPcrEvent2 = (TCG_PCR_EVENT2 *)((UINTN)TcgEfiSpecIdEventStruct + GetTcgEfiSpecIdEventStructSize (TcgEfiSpecIdEventStruct));\r |
666 | while ((UINTN)TcgPcrEvent2 <= EventLogLastEntry) {\r | |
1abfa4ce JY |
667 | DumpEvent2 (TcgPcrEvent2);\r |
668 | TcgPcrEvent2 = (TCG_PCR_EVENT2 *)((UINTN)TcgPcrEvent2 + GetPcrEvent2Size (TcgPcrEvent2));\r | |
669 | }\r | |
c411b485 MK |
670 | \r |
671 | if (FinalEventsTable == NULL) {\r | |
672 | DEBUG ((DEBUG_INFO, "FinalEventsTable: NOT FOUND\n"));\r | |
673 | } else {\r | |
674 | DEBUG ((DEBUG_INFO, "FinalEventsTable: (0x%x)\n", FinalEventsTable));\r | |
675 | DEBUG ((DEBUG_INFO, " Version: (0x%x)\n", FinalEventsTable->Version));\r | |
676 | DEBUG ((DEBUG_INFO, " NumberOfEvents: (0x%x)\n", FinalEventsTable->NumberOfEvents));\r | |
677 | \r | |
678 | TcgPcrEvent2 = (TCG_PCR_EVENT2 *)(UINTN)(FinalEventsTable + 1);\r | |
679 | for (NumberOfEvents = 0; NumberOfEvents < FinalEventsTable->NumberOfEvents; NumberOfEvents++) {\r | |
680 | DumpEvent2 (TcgPcrEvent2);\r | |
681 | TcgPcrEvent2 = (TCG_PCR_EVENT2 *)((UINTN)TcgPcrEvent2 + GetPcrEvent2Size (TcgPcrEvent2));\r | |
682 | }\r | |
683 | }\r | |
684 | \r | |
685 | break;\r | |
1abfa4ce JY |
686 | }\r |
687 | \r | |
c411b485 | 688 | return;\r |
1abfa4ce JY |
689 | }\r |
690 | \r | |
691 | /**\r | |
692 | The EFI_TCG2_PROTOCOL Get Event Log function call allows a caller to\r | |
b3548d32 | 693 | retrieve the address of a given event log and its last entry.\r |
1abfa4ce JY |
694 | \r |
695 | @param[in] This Indicates the calling context\r | |
696 | @param[in] EventLogFormat The type of the event log for which the information is requested.\r | |
697 | @param[out] EventLogLocation A pointer to the memory address of the event log.\r | |
698 | @param[out] EventLogLastEntry If the Event Log contains more than one entry, this is a pointer to the\r | |
699 | address of the start of the last entry in the event log in memory.\r | |
700 | @param[out] EventLogTruncated If the Event Log is missing at least one entry because an event would\r | |
701 | have exceeded the area allocated for events, this value is set to TRUE.\r | |
702 | Otherwise, the value will be FALSE and the Event Log will be complete.\r | |
703 | \r | |
704 | @retval EFI_SUCCESS Operation completed successfully.\r | |
705 | @retval EFI_INVALID_PARAMETER One or more of the parameters are incorrect\r | |
706 | (e.g. asking for an event log whose format is not supported).\r | |
707 | **/\r | |
708 | EFI_STATUS\r | |
709 | EFIAPI\r | |
710 | Tcg2GetEventLog (\r | |
c411b485 MK |
711 | IN EFI_TCG2_PROTOCOL *This,\r |
712 | IN EFI_TCG2_EVENT_LOG_FORMAT EventLogFormat,\r | |
713 | OUT EFI_PHYSICAL_ADDRESS *EventLogLocation,\r | |
714 | OUT EFI_PHYSICAL_ADDRESS *EventLogLastEntry,\r | |
715 | OUT BOOLEAN *EventLogTruncated\r | |
1abfa4ce JY |
716 | )\r |
717 | {\r | |
718 | UINTN Index;\r | |
719 | \r | |
e905fbb0 | 720 | DEBUG ((DEBUG_INFO, "Tcg2GetEventLog ... (0x%x)\n", EventLogFormat));\r |
1abfa4ce JY |
721 | \r |
722 | if (This == NULL) {\r | |
723 | return EFI_INVALID_PARAMETER;\r | |
724 | }\r | |
725 | \r | |
c411b485 | 726 | for (Index = 0; Index < sizeof (mTcg2EventInfo)/sizeof (mTcg2EventInfo[0]); Index++) {\r |
1abfa4ce JY |
727 | if (EventLogFormat == mTcg2EventInfo[Index].LogFormat) {\r |
728 | break;\r | |
729 | }\r | |
730 | }\r | |
731 | \r | |
c411b485 | 732 | if (Index == sizeof (mTcg2EventInfo)/sizeof (mTcg2EventInfo[0])) {\r |
1abfa4ce JY |
733 | return EFI_INVALID_PARAMETER;\r |
734 | }\r | |
735 | \r | |
736 | if ((mTcg2EventInfo[Index].LogFormat & mTcgDxeData.BsCap.SupportedEventLogs) == 0) {\r | |
737 | return EFI_INVALID_PARAMETER;\r | |
738 | }\r | |
739 | \r | |
740 | if (!mTcgDxeData.BsCap.TPMPresentFlag) {\r | |
741 | if (EventLogLocation != NULL) {\r | |
742 | *EventLogLocation = 0;\r | |
743 | }\r | |
c411b485 | 744 | \r |
1abfa4ce JY |
745 | if (EventLogLastEntry != NULL) {\r |
746 | *EventLogLastEntry = 0;\r | |
747 | }\r | |
c411b485 | 748 | \r |
1abfa4ce JY |
749 | if (EventLogTruncated != NULL) {\r |
750 | *EventLogTruncated = FALSE;\r | |
751 | }\r | |
c411b485 | 752 | \r |
1abfa4ce JY |
753 | return EFI_SUCCESS;\r |
754 | }\r | |
755 | \r | |
756 | if (EventLogLocation != NULL) {\r | |
757 | *EventLogLocation = mTcgDxeData.EventLogAreaStruct[Index].Lasa;\r | |
e905fbb0 | 758 | DEBUG ((DEBUG_INFO, "Tcg2GetEventLog (EventLogLocation - %x)\n", *EventLogLocation));\r |
1abfa4ce JY |
759 | }\r |
760 | \r | |
761 | if (EventLogLastEntry != NULL) {\r | |
762 | if (!mTcgDxeData.EventLogAreaStruct[Index].EventLogStarted) {\r | |
763 | *EventLogLastEntry = (EFI_PHYSICAL_ADDRESS)(UINTN)0;\r | |
764 | } else {\r | |
765 | *EventLogLastEntry = (EFI_PHYSICAL_ADDRESS)(UINTN)mTcgDxeData.EventLogAreaStruct[Index].LastEvent;\r | |
766 | }\r | |
c411b485 | 767 | \r |
e905fbb0 | 768 | DEBUG ((DEBUG_INFO, "Tcg2GetEventLog (EventLogLastEntry - %x)\n", *EventLogLastEntry));\r |
1abfa4ce JY |
769 | }\r |
770 | \r | |
771 | if (EventLogTruncated != NULL) {\r | |
772 | *EventLogTruncated = mTcgDxeData.EventLogAreaStruct[Index].EventLogTruncated;\r | |
e905fbb0 | 773 | DEBUG ((DEBUG_INFO, "Tcg2GetEventLog (EventLogTruncated - %x)\n", *EventLogTruncated));\r |
1abfa4ce JY |
774 | }\r |
775 | \r | |
e905fbb0 | 776 | DEBUG ((DEBUG_INFO, "Tcg2GetEventLog - %r\n", EFI_SUCCESS));\r |
1abfa4ce JY |
777 | \r |
778 | // Dump Event Log for debug purpose\r | |
779 | if ((EventLogLocation != NULL) && (EventLogLastEntry != NULL)) {\r | |
780 | DumpEventLog (EventLogFormat, *EventLogLocation, *EventLogLastEntry, mTcgDxeData.FinalEventsTable[Index]);\r | |
781 | }\r | |
782 | \r | |
783 | //\r | |
784 | // All events generated after the invocation of EFI_TCG2_GET_EVENT_LOG SHALL be stored\r | |
785 | // in an instance of an EFI_CONFIGURATION_TABLE named by the VendorGuid of EFI_TCG2_FINAL_EVENTS_TABLE_GUID.\r | |
786 | //\r | |
787 | mTcgDxeData.GetEventLogCalled[Index] = TRUE;\r | |
788 | \r | |
789 | return EFI_SUCCESS;\r | |
790 | }\r | |
791 | \r | |
f9713abe | 792 | /**\r |
4fa25853 JY |
793 | Return if this is a Tcg800155PlatformIdEvent.\r |
794 | \r | |
795 | @param[in] NewEventHdr Pointer to a TCG_PCR_EVENT_HDR/TCG_PCR_EVENT_EX data structure.\r | |
796 | @param[in] NewEventHdrSize New event header size.\r | |
797 | @param[in] NewEventData Pointer to the new event data.\r | |
798 | @param[in] NewEventSize New event data size.\r | |
799 | \r | |
800 | @retval TRUE This is a Tcg800155PlatformIdEvent.\r | |
801 | @retval FALSE This is NOT a Tcg800155PlatformIdEvent.\r | |
802 | \r | |
f9713abe | 803 | **/\r |
4fa25853 JY |
804 | BOOLEAN\r |
805 | Is800155Event (\r | |
c411b485 MK |
806 | IN VOID *NewEventHdr,\r |
807 | IN UINT32 NewEventHdrSize,\r | |
808 | IN UINT8 *NewEventData,\r | |
809 | IN UINT32 NewEventSize\r | |
4fa25853 JY |
810 | )\r |
811 | {\r | |
812 | if ((((TCG_PCR_EVENT2_HDR *)NewEventHdr)->EventType == EV_NO_ACTION) &&\r | |
c411b485 MK |
813 | (NewEventSize >= sizeof (TCG_Sp800_155_PlatformId_Event2)) &&\r |
814 | (CompareMem (\r | |
815 | NewEventData,\r | |
816 | TCG_Sp800_155_PlatformId_Event2_SIGNATURE,\r | |
817 | sizeof (TCG_Sp800_155_PlatformId_Event2_SIGNATURE) - 1\r | |
818 | ) == 0))\r | |
819 | {\r | |
4fa25853 JY |
820 | return TRUE;\r |
821 | }\r | |
c411b485 | 822 | \r |
4fa25853 JY |
823 | return FALSE;\r |
824 | }\r | |
825 | \r | |
1abfa4ce JY |
826 | /**\r |
827 | Add a new entry to the Event Log.\r | |
828 | \r | |
4fa25853 JY |
829 | @param[in, out] EventLogAreaStruct The event log area data structure\r |
830 | @param[in] NewEventHdr Pointer to a TCG_PCR_EVENT_HDR/TCG_PCR_EVENT_EX data structure.\r | |
831 | @param[in] NewEventHdrSize New event header size.\r | |
832 | @param[in] NewEventData Pointer to the new event data.\r | |
833 | @param[in] NewEventSize New event data size.\r | |
b3548d32 | 834 | \r |
1abfa4ce JY |
835 | @retval EFI_SUCCESS The new event log entry was added.\r |
836 | @retval EFI_OUT_OF_RESOURCES No enough memory to log the new event.\r | |
837 | \r | |
838 | **/\r | |
839 | EFI_STATUS\r | |
840 | TcgCommLogEvent (\r | |
c411b485 MK |
841 | IN OUT TCG_EVENT_LOG_AREA_STRUCT *EventLogAreaStruct,\r |
842 | IN VOID *NewEventHdr,\r | |
843 | IN UINT32 NewEventHdrSize,\r | |
844 | IN UINT8 *NewEventData,\r | |
845 | IN UINT32 NewEventSize\r | |
1abfa4ce JY |
846 | )\r |
847 | {\r | |
c411b485 MK |
848 | UINTN NewLogSize;\r |
849 | BOOLEAN Record800155Event;\r | |
1abfa4ce JY |
850 | \r |
851 | if (NewEventSize > MAX_ADDRESS - NewEventHdrSize) {\r | |
852 | return EFI_OUT_OF_RESOURCES;\r | |
853 | }\r | |
854 | \r | |
855 | NewLogSize = NewEventHdrSize + NewEventSize;\r | |
856 | \r | |
4fa25853 | 857 | if (NewLogSize > MAX_ADDRESS - EventLogAreaStruct->EventLogSize) {\r |
1abfa4ce JY |
858 | return EFI_OUT_OF_RESOURCES;\r |
859 | }\r | |
860 | \r | |
4fa25853 JY |
861 | if (NewLogSize + EventLogAreaStruct->EventLogSize > EventLogAreaStruct->Laml) {\r |
862 | DEBUG ((DEBUG_INFO, " Laml - 0x%x\n", EventLogAreaStruct->Laml));\r | |
863 | DEBUG ((DEBUG_INFO, " NewLogSize - 0x%x\n", NewLogSize));\r | |
864 | DEBUG ((DEBUG_INFO, " LogSize - 0x%x\n", EventLogAreaStruct->EventLogSize));\r | |
865 | DEBUG ((DEBUG_INFO, "TcgCommLogEvent - %r\n", EFI_OUT_OF_RESOURCES));\r | |
1abfa4ce JY |
866 | return EFI_OUT_OF_RESOURCES;\r |
867 | }\r | |
868 | \r | |
4fa25853 JY |
869 | //\r |
870 | // Check 800-155 event\r | |
871 | // Record to 800-155 event offset only.\r | |
872 | // If the offset is 0, no need to record.\r | |
873 | //\r | |
874 | Record800155Event = Is800155Event (NewEventHdr, NewEventHdrSize, NewEventData, NewEventSize);\r | |
875 | if (Record800155Event) {\r | |
876 | if (EventLogAreaStruct->Next800155EventOffset != 0) {\r | |
877 | CopyMem (\r | |
878 | (UINT8 *)(UINTN)EventLogAreaStruct->Lasa + EventLogAreaStruct->Next800155EventOffset + NewLogSize,\r | |
879 | (UINT8 *)(UINTN)EventLogAreaStruct->Lasa + EventLogAreaStruct->Next800155EventOffset,\r | |
880 | EventLogAreaStruct->EventLogSize - EventLogAreaStruct->Next800155EventOffset\r | |
881 | );\r | |
882 | \r | |
883 | CopyMem (\r | |
884 | (UINT8 *)(UINTN)EventLogAreaStruct->Lasa + EventLogAreaStruct->Next800155EventOffset,\r | |
885 | NewEventHdr,\r | |
886 | NewEventHdrSize\r | |
887 | );\r | |
888 | CopyMem (\r | |
889 | (UINT8 *)(UINTN)EventLogAreaStruct->Lasa + EventLogAreaStruct->Next800155EventOffset + NewEventHdrSize,\r | |
890 | NewEventData,\r | |
891 | NewEventSize\r | |
892 | );\r | |
893 | \r | |
894 | EventLogAreaStruct->Next800155EventOffset += NewLogSize;\r | |
c411b485 MK |
895 | EventLogAreaStruct->LastEvent += NewLogSize;\r |
896 | EventLogAreaStruct->EventLogSize += NewLogSize;\r | |
4fa25853 | 897 | }\r |
c411b485 | 898 | \r |
4fa25853 JY |
899 | return EFI_SUCCESS;\r |
900 | }\r | |
901 | \r | |
c411b485 | 902 | EventLogAreaStruct->LastEvent = (UINT8 *)(UINTN)EventLogAreaStruct->Lasa + EventLogAreaStruct->EventLogSize;\r |
4fa25853 JY |
903 | EventLogAreaStruct->EventLogSize += NewLogSize;\r |
904 | CopyMem (EventLogAreaStruct->LastEvent, NewEventHdr, NewEventHdrSize);\r | |
1abfa4ce | 905 | CopyMem (\r |
4fa25853 | 906 | EventLogAreaStruct->LastEvent + NewEventHdrSize,\r |
1abfa4ce JY |
907 | NewEventData,\r |
908 | NewEventSize\r | |
909 | );\r | |
910 | return EFI_SUCCESS;\r | |
911 | }\r | |
912 | \r | |
913 | /**\r | |
914 | Add a new entry to the Event Log.\r | |
915 | \r | |
916 | @param[in] EventLogFormat The type of the event log for which the information is requested.\r | |
b3548d32 | 917 | @param[in] NewEventHdr Pointer to a TCG_PCR_EVENT_HDR/TCG_PCR_EVENT_EX data structure.\r |
1abfa4ce | 918 | @param[in] NewEventHdrSize New event header size.\r |
b3548d32 | 919 | @param[in] NewEventData Pointer to the new event data.\r |
1abfa4ce JY |
920 | @param[in] NewEventSize New event data size.\r |
921 | \r | |
922 | @retval EFI_SUCCESS The new event log entry was added.\r | |
923 | @retval EFI_OUT_OF_RESOURCES No enough memory to log the new event.\r | |
924 | \r | |
925 | **/\r | |
926 | EFI_STATUS\r | |
927 | TcgDxeLogEvent (\r | |
c411b485 MK |
928 | IN EFI_TCG2_EVENT_LOG_FORMAT EventLogFormat,\r |
929 | IN VOID *NewEventHdr,\r | |
930 | IN UINT32 NewEventHdrSize,\r | |
931 | IN UINT8 *NewEventData,\r | |
932 | IN UINT32 NewEventSize\r | |
1abfa4ce JY |
933 | )\r |
934 | {\r | |
c411b485 MK |
935 | EFI_STATUS Status;\r |
936 | UINTN Index;\r | |
937 | TCG_EVENT_LOG_AREA_STRUCT *EventLogAreaStruct;\r | |
b3548d32 | 938 | \r |
c411b485 | 939 | for (Index = 0; Index < sizeof (mTcg2EventInfo)/sizeof (mTcg2EventInfo[0]); Index++) {\r |
1abfa4ce JY |
940 | if (EventLogFormat == mTcg2EventInfo[Index].LogFormat) {\r |
941 | break;\r | |
942 | }\r | |
943 | }\r | |
944 | \r | |
c411b485 | 945 | if (Index == sizeof (mTcg2EventInfo)/sizeof (mTcg2EventInfo[0])) {\r |
1abfa4ce JY |
946 | return EFI_INVALID_PARAMETER;\r |
947 | }\r | |
948 | \r | |
fd46e831 JY |
949 | //\r |
950 | // Record to normal event log\r | |
951 | //\r | |
952 | EventLogAreaStruct = &mTcgDxeData.EventLogAreaStruct[Index];\r | |
1abfa4ce JY |
953 | \r |
954 | if (EventLogAreaStruct->EventLogTruncated) {\r | |
955 | return EFI_VOLUME_FULL;\r | |
956 | }\r | |
957 | \r | |
1abfa4ce | 958 | Status = TcgCommLogEvent (\r |
4fa25853 | 959 | EventLogAreaStruct,\r |
1abfa4ce JY |
960 | NewEventHdr,\r |
961 | NewEventHdrSize,\r | |
962 | NewEventData,\r | |
963 | NewEventSize\r | |
964 | );\r | |
b3548d32 | 965 | \r |
fd46e831 | 966 | if (Status == EFI_OUT_OF_RESOURCES) {\r |
1abfa4ce JY |
967 | EventLogAreaStruct->EventLogTruncated = TRUE;\r |
968 | return EFI_VOLUME_FULL;\r | |
969 | } else if (Status == EFI_SUCCESS) {\r | |
970 | EventLogAreaStruct->EventLogStarted = TRUE;\r | |
fd46e831 JY |
971 | }\r |
972 | \r | |
973 | //\r | |
974 | // If GetEventLog is called, record to FinalEventsTable, too.\r | |
975 | //\r | |
976 | if (mTcgDxeData.GetEventLogCalled[Index]) {\r | |
977 | if (mTcgDxeData.FinalEventsTable[Index] == NULL) {\r | |
978 | //\r | |
979 | // no need for FinalEventsTable\r | |
980 | //\r | |
981 | return EFI_SUCCESS;\r | |
982 | }\r | |
c411b485 | 983 | \r |
fd46e831 JY |
984 | EventLogAreaStruct = &mTcgDxeData.FinalEventLogAreaStruct[Index];\r |
985 | \r | |
986 | if (EventLogAreaStruct->EventLogTruncated) {\r | |
987 | return EFI_VOLUME_FULL;\r | |
988 | }\r | |
989 | \r | |
fd46e831 | 990 | Status = TcgCommLogEvent (\r |
4fa25853 | 991 | EventLogAreaStruct,\r |
fd46e831 JY |
992 | NewEventHdr,\r |
993 | NewEventHdrSize,\r | |
994 | NewEventData,\r | |
995 | NewEventSize\r | |
996 | );\r | |
997 | if (Status == EFI_OUT_OF_RESOURCES) {\r | |
998 | EventLogAreaStruct->EventLogTruncated = TRUE;\r | |
999 | return EFI_VOLUME_FULL;\r | |
1000 | } else if (Status == EFI_SUCCESS) {\r | |
1001 | EventLogAreaStruct->EventLogStarted = TRUE;\r | |
1002 | //\r | |
1003 | // Increase the NumberOfEvents in FinalEventsTable\r | |
1004 | //\r | |
c411b485 | 1005 | (mTcgDxeData.FinalEventsTable[Index])->NumberOfEvents++;\r |
e905fbb0 MK |
1006 | DEBUG ((DEBUG_INFO, "FinalEventsTable->NumberOfEvents - 0x%x\n", (mTcgDxeData.FinalEventsTable[Index])->NumberOfEvents));\r |
1007 | DEBUG ((DEBUG_INFO, " Size - 0x%x\n", (UINTN)EventLogAreaStruct->EventLogSize));\r | |
1abfa4ce JY |
1008 | }\r |
1009 | }\r | |
1010 | \r | |
1011 | return Status;\r | |
1012 | }\r | |
1013 | \r | |
1abfa4ce JY |
1014 | /**\r |
1015 | Get TPML_DIGEST_VALUES compact binary buffer size.\r | |
1016 | \r | |
1017 | @param[in] DigestListBin TPML_DIGEST_VALUES compact binary buffer.\r | |
1018 | \r | |
1019 | @return TPML_DIGEST_VALUES compact binary buffer size.\r | |
1020 | **/\r | |
1021 | UINT32\r | |
1022 | GetDigestListBinSize (\r | |
c411b485 | 1023 | IN VOID *DigestListBin\r |
1abfa4ce JY |
1024 | )\r |
1025 | {\r | |
c411b485 MK |
1026 | UINTN Index;\r |
1027 | UINT16 DigestSize;\r | |
1028 | UINT32 TotalSize;\r | |
1029 | UINT32 Count;\r | |
1030 | TPMI_ALG_HASH HashAlg;\r | |
1031 | \r | |
1032 | Count = ReadUnaligned32 (DigestListBin);\r | |
1033 | TotalSize = sizeof (Count);\r | |
1034 | DigestListBin = (UINT8 *)DigestListBin + sizeof (Count);\r | |
1abfa4ce | 1035 | for (Index = 0; Index < Count; Index++) {\r |
c411b485 MK |
1036 | HashAlg = ReadUnaligned16 (DigestListBin);\r |
1037 | TotalSize += sizeof (HashAlg);\r | |
1038 | DigestListBin = (UINT8 *)DigestListBin + sizeof (HashAlg);\r | |
1abfa4ce | 1039 | \r |
c411b485 MK |
1040 | DigestSize = GetHashSizeFromAlgo (HashAlg);\r |
1041 | TotalSize += DigestSize;\r | |
1abfa4ce JY |
1042 | DigestListBin = (UINT8 *)DigestListBin + DigestSize;\r |
1043 | }\r | |
1044 | \r | |
1045 | return TotalSize;\r | |
1046 | }\r | |
1047 | \r | |
ab5b1f31 SZ |
1048 | /**\r |
1049 | Copy TPML_DIGEST_VALUES compact binary into a buffer\r | |
1050 | \r | |
1051 | @param[in,out] Buffer Buffer to hold copied TPML_DIGEST_VALUES compact binary.\r | |
1052 | @param[in] DigestListBin TPML_DIGEST_VALUES compact binary buffer.\r | |
1053 | @param[in] HashAlgorithmMask HASH bits corresponding to the desired digests to copy.\r | |
1054 | @param[out] HashAlgorithmMaskCopied Pointer to HASH bits corresponding to the digests copied.\r | |
1055 | \r | |
1056 | @return The end of buffer to hold TPML_DIGEST_VALUES compact binary.\r | |
1057 | **/\r | |
1058 | VOID *\r | |
1059 | CopyDigestListBinToBuffer (\r | |
c411b485 MK |
1060 | IN OUT VOID *Buffer,\r |
1061 | IN VOID *DigestListBin,\r | |
1062 | IN UINT32 HashAlgorithmMask,\r | |
1063 | OUT UINT32 *HashAlgorithmMaskCopied\r | |
ab5b1f31 SZ |
1064 | )\r |
1065 | {\r | |
c411b485 MK |
1066 | UINTN Index;\r |
1067 | UINT16 DigestSize;\r | |
1068 | UINT32 Count;\r | |
1069 | TPMI_ALG_HASH HashAlg;\r | |
1070 | UINT32 DigestListCount;\r | |
1071 | UINT32 *DigestListCountPtr;\r | |
1072 | \r | |
1073 | DigestListCountPtr = (UINT32 *)Buffer;\r | |
1074 | DigestListCount = 0;\r | |
ab5b1f31 SZ |
1075 | (*HashAlgorithmMaskCopied) = 0;\r |
1076 | \r | |
c411b485 MK |
1077 | Count = ReadUnaligned32 (DigestListBin);\r |
1078 | Buffer = (UINT8 *)Buffer + sizeof (Count);\r | |
1079 | DigestListBin = (UINT8 *)DigestListBin + sizeof (Count);\r | |
ab5b1f31 | 1080 | for (Index = 0; Index < Count; Index++) {\r |
c411b485 MK |
1081 | HashAlg = ReadUnaligned16 (DigestListBin);\r |
1082 | DigestListBin = (UINT8 *)DigestListBin + sizeof (HashAlg);\r | |
1083 | DigestSize = GetHashSizeFromAlgo (HashAlg);\r | |
ab5b1f31 | 1084 | \r |
c411b485 MK |
1085 | if (IsHashAlgSupportedInHashAlgorithmMask (HashAlg, HashAlgorithmMask)) {\r |
1086 | CopyMem (Buffer, &HashAlg, sizeof (HashAlg));\r | |
1087 | Buffer = (UINT8 *)Buffer + sizeof (HashAlg);\r | |
ab5b1f31 SZ |
1088 | CopyMem (Buffer, DigestListBin, DigestSize);\r |
1089 | Buffer = (UINT8 *)Buffer + DigestSize;\r | |
1090 | DigestListCount++;\r | |
1091 | (*HashAlgorithmMaskCopied) |= GetHashMaskFromAlgo (HashAlg);\r | |
1092 | } else {\r | |
1093 | DEBUG ((DEBUG_ERROR, "WARNING: CopyDigestListBinToBuffer Event log has HashAlg unsupported by PCR bank (0x%x)\n", HashAlg));\r | |
1094 | }\r | |
c411b485 | 1095 | \r |
ab5b1f31 SZ |
1096 | DigestListBin = (UINT8 *)DigestListBin + DigestSize;\r |
1097 | }\r | |
c411b485 | 1098 | \r |
ab5b1f31 SZ |
1099 | WriteUnaligned32 (DigestListCountPtr, DigestListCount);\r |
1100 | \r | |
1101 | return Buffer;\r | |
1102 | }\r | |
1103 | \r | |
1abfa4ce JY |
1104 | /**\r |
1105 | Add a new entry to the Event Log.\r | |
1106 | \r | |
1107 | @param[in] DigestList A list of digest.\r | |
1108 | @param[in,out] NewEventHdr Pointer to a TCG_PCR_EVENT_HDR data structure.\r | |
1109 | @param[in] NewEventData Pointer to the new event data.\r | |
1110 | \r | |
1111 | @retval EFI_SUCCESS The new event log entry was added.\r | |
1112 | @retval EFI_OUT_OF_RESOURCES No enough memory to log the new event.\r | |
1113 | **/\r | |
1114 | EFI_STATUS\r | |
1115 | TcgDxeLogHashEvent (\r | |
c411b485 MK |
1116 | IN TPML_DIGEST_VALUES *DigestList,\r |
1117 | IN OUT TCG_PCR_EVENT_HDR *NewEventHdr,\r | |
1118 | IN UINT8 *NewEventData\r | |
1abfa4ce JY |
1119 | )\r |
1120 | {\r | |
c411b485 MK |
1121 | EFI_STATUS Status;\r |
1122 | EFI_TPL OldTpl;\r | |
1123 | UINTN Index;\r | |
1124 | EFI_STATUS RetStatus;\r | |
1125 | TCG_PCR_EVENT2 TcgPcrEvent2;\r | |
1126 | UINT8 *DigestBuffer;\r | |
1127 | UINT32 *EventSizePtr;\r | |
1abfa4ce | 1128 | \r |
e905fbb0 | 1129 | DEBUG ((DEBUG_INFO, "SupportedEventLogs - 0x%08x\n", mTcgDxeData.BsCap.SupportedEventLogs));\r |
1abfa4ce JY |
1130 | \r |
1131 | RetStatus = EFI_SUCCESS;\r | |
c411b485 | 1132 | for (Index = 0; Index < sizeof (mTcg2EventInfo)/sizeof (mTcg2EventInfo[0]); Index++) {\r |
1abfa4ce | 1133 | if ((mTcgDxeData.BsCap.SupportedEventLogs & mTcg2EventInfo[Index].LogFormat) != 0) {\r |
e905fbb0 | 1134 | DEBUG ((DEBUG_INFO, " LogFormat - 0x%08x\n", mTcg2EventInfo[Index].LogFormat));\r |
1abfa4ce | 1135 | switch (mTcg2EventInfo[Index].LogFormat) {\r |
c411b485 MK |
1136 | case EFI_TCG2_EVENT_LOG_FORMAT_TCG_1_2:\r |
1137 | Status = GetDigestFromDigestList (TPM_ALG_SHA1, DigestList, &NewEventHdr->Digest);\r | |
1138 | if (!EFI_ERROR (Status)) {\r | |
1139 | //\r | |
1140 | // Enter critical region\r | |
1141 | //\r | |
1142 | OldTpl = gBS->RaiseTPL (TPL_HIGH_LEVEL);\r | |
1143 | Status = TcgDxeLogEvent (\r | |
1144 | mTcg2EventInfo[Index].LogFormat,\r | |
1145 | NewEventHdr,\r | |
1146 | sizeof (TCG_PCR_EVENT_HDR),\r | |
1147 | NewEventData,\r | |
1148 | NewEventHdr->EventSize\r | |
1149 | );\r | |
1150 | if (Status != EFI_SUCCESS) {\r | |
1151 | RetStatus = Status;\r | |
1152 | }\r | |
1153 | \r | |
1154 | gBS->RestoreTPL (OldTpl);\r | |
1155 | //\r | |
1156 | // Exit critical region\r | |
1157 | //\r | |
1158 | }\r | |
1159 | \r | |
1160 | break;\r | |
1161 | case EFI_TCG2_EVENT_LOG_FORMAT_TCG_2:\r | |
1162 | ZeroMem (&TcgPcrEvent2, sizeof (TcgPcrEvent2));\r | |
1163 | TcgPcrEvent2.PCRIndex = NewEventHdr->PCRIndex;\r | |
1164 | TcgPcrEvent2.EventType = NewEventHdr->EventType;\r | |
1165 | DigestBuffer = (UINT8 *)&TcgPcrEvent2.Digest;\r | |
1166 | EventSizePtr = CopyDigestListToBuffer (DigestBuffer, DigestList, mTcgDxeData.BsCap.ActivePcrBanks);\r | |
1167 | CopyMem (EventSizePtr, &NewEventHdr->EventSize, sizeof (NewEventHdr->EventSize));\r | |
1168 | \r | |
1abfa4ce JY |
1169 | //\r |
1170 | // Enter critical region\r | |
1171 | //\r | |
1172 | OldTpl = gBS->RaiseTPL (TPL_HIGH_LEVEL);\r | |
1173 | Status = TcgDxeLogEvent (\r | |
1174 | mTcg2EventInfo[Index].LogFormat,\r | |
c411b485 MK |
1175 | &TcgPcrEvent2,\r |
1176 | sizeof (TcgPcrEvent2.PCRIndex) + sizeof (TcgPcrEvent2.EventType) + GetDigestListBinSize (DigestBuffer) + sizeof (TcgPcrEvent2.EventSize),\r | |
1abfa4ce JY |
1177 | NewEventData,\r |
1178 | NewEventHdr->EventSize\r | |
1179 | );\r | |
1180 | if (Status != EFI_SUCCESS) {\r | |
1181 | RetStatus = Status;\r | |
1182 | }\r | |
c411b485 | 1183 | \r |
1abfa4ce JY |
1184 | gBS->RestoreTPL (OldTpl);\r |
1185 | //\r | |
1186 | // Exit critical region\r | |
1187 | //\r | |
c411b485 | 1188 | break;\r |
1abfa4ce JY |
1189 | }\r |
1190 | }\r | |
1191 | }\r | |
1192 | \r | |
1193 | return RetStatus;\r | |
1194 | }\r | |
1195 | \r | |
1196 | /**\r | |
1197 | Do a hash operation on a data buffer, extend a specific TPM PCR with the hash result,\r | |
1198 | and add an entry to the Event Log.\r | |
1199 | \r | |
1200 | @param[in] Flags Bitmap providing additional information.\r | |
b3548d32 | 1201 | @param[in] HashData Physical address of the start of the data buffer\r |
1abfa4ce JY |
1202 | to be hashed, extended, and logged.\r |
1203 | @param[in] HashDataLen The length, in bytes, of the buffer referenced by HashData\r | |
b3548d32 LG |
1204 | @param[in, out] NewEventHdr Pointer to a TCG_PCR_EVENT_HDR data structure.\r |
1205 | @param[in] NewEventData Pointer to the new event data.\r | |
1abfa4ce JY |
1206 | \r |
1207 | @retval EFI_SUCCESS Operation completed successfully.\r | |
1208 | @retval EFI_OUT_OF_RESOURCES No enough memory to log the new event.\r | |
1209 | @retval EFI_DEVICE_ERROR The command was unsuccessful.\r | |
1210 | \r | |
1211 | **/\r | |
1212 | EFI_STATUS\r | |
1213 | TcgDxeHashLogExtendEvent (\r | |
c411b485 MK |
1214 | IN UINT64 Flags,\r |
1215 | IN UINT8 *HashData,\r | |
1216 | IN UINT64 HashDataLen,\r | |
1217 | IN OUT TCG_PCR_EVENT_HDR *NewEventHdr,\r | |
1218 | IN UINT8 *NewEventData\r | |
1abfa4ce JY |
1219 | )\r |
1220 | {\r | |
c411b485 MK |
1221 | EFI_STATUS Status;\r |
1222 | TPML_DIGEST_VALUES DigestList;\r | |
1223 | TCG_PCR_EVENT2_HDR NoActionEvent;\r | |
1abfa4ce JY |
1224 | \r |
1225 | if (!mTcgDxeData.BsCap.TPMPresentFlag) {\r | |
1226 | return EFI_DEVICE_ERROR;\r | |
1227 | }\r | |
1228 | \r | |
4fa25853 JY |
1229 | if (NewEventHdr->EventType == EV_NO_ACTION) {\r |
1230 | //\r | |
1231 | // Do not do TPM extend for EV_NO_ACTION\r | |
1232 | //\r | |
1233 | Status = EFI_SUCCESS;\r | |
1234 | InitNoActionEvent (&NoActionEvent, NewEventHdr->EventSize);\r | |
1235 | if ((Flags & EFI_TCG2_EXTEND_ONLY) == 0) {\r | |
1236 | Status = TcgDxeLogHashEvent (&(NoActionEvent.Digests), NewEventHdr, NewEventData);\r | |
1237 | }\r | |
1238 | \r | |
1239 | return Status;\r | |
1240 | }\r | |
1241 | \r | |
1abfa4ce JY |
1242 | Status = HashAndExtend (\r |
1243 | NewEventHdr->PCRIndex,\r | |
1244 | HashData,\r | |
1245 | (UINTN)HashDataLen,\r | |
1246 | &DigestList\r | |
1247 | );\r | |
1248 | if (!EFI_ERROR (Status)) {\r | |
1249 | if ((Flags & EFI_TCG2_EXTEND_ONLY) == 0) {\r | |
1250 | Status = TcgDxeLogHashEvent (&DigestList, NewEventHdr, NewEventData);\r | |
1251 | }\r | |
1252 | }\r | |
1253 | \r | |
1254 | if (Status == EFI_DEVICE_ERROR) {\r | |
e905fbb0 | 1255 | DEBUG ((DEBUG_ERROR, "TcgDxeHashLogExtendEvent - %r. Disable TPM.\n", Status));\r |
1abfa4ce JY |
1256 | mTcgDxeData.BsCap.TPMPresentFlag = FALSE;\r |
1257 | REPORT_STATUS_CODE (\r | |
1258 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
1259 | (PcdGet32 (PcdStatusCodeSubClassTpmDevice) | EFI_P_EC_INTERFACE_ERROR)\r | |
1260 | );\r | |
1261 | }\r | |
1262 | \r | |
1263 | return Status;\r | |
1264 | }\r | |
1265 | \r | |
1266 | /**\r | |
1267 | The EFI_TCG2_PROTOCOL HashLogExtendEvent function call provides callers with\r | |
1268 | an opportunity to extend and optionally log events without requiring\r | |
b3548d32 | 1269 | knowledge of actual TPM commands.\r |
1abfa4ce | 1270 | The extend operation will occur even if this function cannot create an event\r |
b3548d32 | 1271 | log entry (e.g. due to the event log being full).\r |
1abfa4ce JY |
1272 | \r |
1273 | @param[in] This Indicates the calling context\r | |
1274 | @param[in] Flags Bitmap providing additional information.\r | |
b3548d32 | 1275 | @param[in] DataToHash Physical address of the start of the data buffer to be hashed.\r |
1abfa4ce JY |
1276 | @param[in] DataToHashLen The length in bytes of the buffer referenced by DataToHash.\r |
1277 | @param[in] Event Pointer to data buffer containing information about the event.\r | |
1278 | \r | |
1279 | @retval EFI_SUCCESS Operation completed successfully.\r | |
1280 | @retval EFI_DEVICE_ERROR The command was unsuccessful.\r | |
1281 | @retval EFI_VOLUME_FULL The extend operation occurred, but the event could not be written to one or more event logs.\r | |
1282 | @retval EFI_INVALID_PARAMETER One or more of the parameters are incorrect.\r | |
1283 | @retval EFI_UNSUPPORTED The PE/COFF image type is not supported.\r | |
1284 | **/\r | |
1285 | EFI_STATUS\r | |
1286 | EFIAPI\r | |
1287 | Tcg2HashLogExtendEvent (\r | |
c411b485 MK |
1288 | IN EFI_TCG2_PROTOCOL *This,\r |
1289 | IN UINT64 Flags,\r | |
1290 | IN EFI_PHYSICAL_ADDRESS DataToHash,\r | |
1291 | IN UINT64 DataToHashLen,\r | |
1292 | IN EFI_TCG2_EVENT *Event\r | |
1abfa4ce JY |
1293 | )\r |
1294 | {\r | |
c411b485 MK |
1295 | EFI_STATUS Status;\r |
1296 | TCG_PCR_EVENT_HDR NewEventHdr;\r | |
1297 | TPML_DIGEST_VALUES DigestList;\r | |
1abfa4ce | 1298 | \r |
336dbfd1 | 1299 | DEBUG ((DEBUG_VERBOSE, "Tcg2HashLogExtendEvent ...\n"));\r |
1abfa4ce | 1300 | \r |
4fa25853 JY |
1301 | if ((This == NULL) || (Event == NULL)) {\r |
1302 | return EFI_INVALID_PARAMETER;\r | |
1303 | }\r | |
c411b485 | 1304 | \r |
4fa25853 JY |
1305 | //\r |
1306 | // Do not check hash data size for EV_NO_ACTION event.\r | |
1307 | //\r | |
1308 | if ((Event->Header.EventType != EV_NO_ACTION) && (DataToHash == 0)) {\r | |
1abfa4ce JY |
1309 | return EFI_INVALID_PARAMETER;\r |
1310 | }\r | |
1311 | \r | |
1312 | if (!mTcgDxeData.BsCap.TPMPresentFlag) {\r | |
1313 | return EFI_DEVICE_ERROR;\r | |
1314 | }\r | |
1315 | \r | |
c411b485 | 1316 | if (Event->Size < Event->Header.HeaderSize + sizeof (UINT32)) {\r |
1abfa4ce JY |
1317 | return EFI_INVALID_PARAMETER;\r |
1318 | }\r | |
1319 | \r | |
1320 | if (Event->Header.PCRIndex > MAX_PCR_INDEX) {\r | |
1321 | return EFI_INVALID_PARAMETER;\r | |
1322 | }\r | |
1323 | \r | |
1324 | NewEventHdr.PCRIndex = Event->Header.PCRIndex;\r | |
1325 | NewEventHdr.EventType = Event->Header.EventType;\r | |
c411b485 | 1326 | NewEventHdr.EventSize = Event->Size - sizeof (UINT32) - Event->Header.HeaderSize;\r |
1abfa4ce JY |
1327 | if ((Flags & PE_COFF_IMAGE) != 0) {\r |
1328 | Status = MeasurePeImageAndExtend (\r | |
1329 | NewEventHdr.PCRIndex,\r | |
1330 | DataToHash,\r | |
1331 | (UINTN)DataToHashLen,\r | |
1332 | &DigestList\r | |
1333 | );\r | |
1334 | if (!EFI_ERROR (Status)) {\r | |
1335 | if ((Flags & EFI_TCG2_EXTEND_ONLY) == 0) {\r | |
1336 | Status = TcgDxeLogHashEvent (&DigestList, &NewEventHdr, Event->Event);\r | |
1337 | }\r | |
1338 | }\r | |
c411b485 | 1339 | \r |
1abfa4ce | 1340 | if (Status == EFI_DEVICE_ERROR) {\r |
e905fbb0 | 1341 | DEBUG ((DEBUG_ERROR, "MeasurePeImageAndExtend - %r. Disable TPM.\n", Status));\r |
1abfa4ce JY |
1342 | mTcgDxeData.BsCap.TPMPresentFlag = FALSE;\r |
1343 | REPORT_STATUS_CODE (\r | |
1344 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
1345 | (PcdGet32 (PcdStatusCodeSubClassTpmDevice) | EFI_P_EC_INTERFACE_ERROR)\r | |
1346 | );\r | |
1347 | }\r | |
1348 | } else {\r | |
1349 | Status = TcgDxeHashLogExtendEvent (\r | |
1350 | Flags,\r | |
c411b485 | 1351 | (UINT8 *)(UINTN)DataToHash,\r |
1abfa4ce JY |
1352 | DataToHashLen,\r |
1353 | &NewEventHdr,\r | |
1354 | Event->Event\r | |
1355 | );\r | |
1356 | }\r | |
c411b485 | 1357 | \r |
336dbfd1 | 1358 | DEBUG ((DEBUG_VERBOSE, "Tcg2HashLogExtendEvent - %r\n", Status));\r |
1abfa4ce JY |
1359 | return Status;\r |
1360 | }\r | |
1361 | \r | |
1362 | /**\r | |
1363 | This service enables the sending of commands to the TPM.\r | |
1364 | \r | |
1365 | @param[in] This Indicates the calling context\r | |
1366 | @param[in] InputParameterBlockSize Size of the TPM input parameter block.\r | |
1367 | @param[in] InputParameterBlock Pointer to the TPM input parameter block.\r | |
1368 | @param[in] OutputParameterBlockSize Size of the TPM output parameter block.\r | |
1369 | @param[in] OutputParameterBlock Pointer to the TPM output parameter block.\r | |
1370 | \r | |
1371 | @retval EFI_SUCCESS The command byte stream was successfully sent to the device and a response was successfully received.\r | |
1372 | @retval EFI_DEVICE_ERROR The command was not successfully sent to the device or a response was not successfully received from the device.\r | |
1373 | @retval EFI_INVALID_PARAMETER One or more of the parameters are incorrect.\r | |
b3548d32 | 1374 | @retval EFI_BUFFER_TOO_SMALL The output parameter block is too small.\r |
1abfa4ce JY |
1375 | **/\r |
1376 | EFI_STATUS\r | |
1377 | EFIAPI\r | |
1378 | Tcg2SubmitCommand (\r | |
c411b485 MK |
1379 | IN EFI_TCG2_PROTOCOL *This,\r |
1380 | IN UINT32 InputParameterBlockSize,\r | |
1381 | IN UINT8 *InputParameterBlock,\r | |
1382 | IN UINT32 OutputParameterBlockSize,\r | |
1383 | IN UINT8 *OutputParameterBlock\r | |
1abfa4ce JY |
1384 | )\r |
1385 | {\r | |
c411b485 | 1386 | EFI_STATUS Status;\r |
1abfa4ce | 1387 | \r |
e905fbb0 | 1388 | DEBUG ((DEBUG_INFO, "Tcg2SubmitCommand ...\n"));\r |
1abfa4ce JY |
1389 | \r |
1390 | if ((This == NULL) ||\r | |
1391 | (InputParameterBlockSize == 0) || (InputParameterBlock == NULL) ||\r | |
c411b485 MK |
1392 | (OutputParameterBlockSize == 0) || (OutputParameterBlock == NULL))\r |
1393 | {\r | |
1abfa4ce JY |
1394 | return EFI_INVALID_PARAMETER;\r |
1395 | }\r | |
1396 | \r | |
1397 | if (!mTcgDxeData.BsCap.TPMPresentFlag) {\r | |
1398 | return EFI_DEVICE_ERROR;\r | |
1399 | }\r | |
1400 | \r | |
e1f35834 | 1401 | if (InputParameterBlockSize > mTcgDxeData.BsCap.MaxCommandSize) {\r |
1abfa4ce JY |
1402 | return EFI_INVALID_PARAMETER;\r |
1403 | }\r | |
c411b485 | 1404 | \r |
e1f35834 | 1405 | if (OutputParameterBlockSize > mTcgDxeData.BsCap.MaxResponseSize) {\r |
1abfa4ce JY |
1406 | return EFI_INVALID_PARAMETER;\r |
1407 | }\r | |
1408 | \r | |
1409 | Status = Tpm2SubmitCommand (\r | |
1410 | InputParameterBlockSize,\r | |
1411 | InputParameterBlock,\r | |
1412 | &OutputParameterBlockSize,\r | |
1413 | OutputParameterBlock\r | |
1414 | );\r | |
e905fbb0 | 1415 | DEBUG ((DEBUG_INFO, "Tcg2SubmitCommand - %r\n", Status));\r |
1abfa4ce JY |
1416 | return Status;\r |
1417 | }\r | |
1418 | \r | |
1419 | /**\r | |
1420 | This service returns the currently active PCR banks.\r | |
1421 | \r | |
1422 | @param[in] This Indicates the calling context\r | |
1423 | @param[out] ActivePcrBanks Pointer to the variable receiving the bitmap of currently active PCR banks.\r | |
1424 | \r | |
1425 | @retval EFI_SUCCESS The bitmap of active PCR banks was stored in the ActivePcrBanks parameter.\r | |
b3548d32 | 1426 | @retval EFI_INVALID_PARAMETER One or more of the parameters are incorrect.\r |
1abfa4ce JY |
1427 | **/\r |
1428 | EFI_STATUS\r | |
1429 | EFIAPI\r | |
1430 | Tcg2GetActivePCRBanks (\r | |
c411b485 MK |
1431 | IN EFI_TCG2_PROTOCOL *This,\r |
1432 | OUT UINT32 *ActivePcrBanks\r | |
1abfa4ce JY |
1433 | )\r |
1434 | {\r | |
1435 | if (ActivePcrBanks == NULL) {\r | |
1436 | return EFI_INVALID_PARAMETER;\r | |
1437 | }\r | |
c411b485 | 1438 | \r |
1abfa4ce JY |
1439 | *ActivePcrBanks = mTcgDxeData.BsCap.ActivePcrBanks;\r |
1440 | return EFI_SUCCESS;\r | |
1441 | }\r | |
1442 | \r | |
1443 | /**\r | |
1444 | This service sets the currently active PCR banks.\r | |
1445 | \r | |
1446 | @param[in] This Indicates the calling context\r | |
1447 | @param[in] ActivePcrBanks Bitmap of the requested active PCR banks. At least one bit SHALL be set.\r | |
1448 | \r | |
1449 | @retval EFI_SUCCESS The bitmap in ActivePcrBank parameter is already active.\r | |
1450 | @retval EFI_INVALID_PARAMETER One or more of the parameters are incorrect.\r | |
1451 | **/\r | |
1452 | EFI_STATUS\r | |
1453 | EFIAPI\r | |
1454 | Tcg2SetActivePCRBanks (\r | |
c411b485 MK |
1455 | IN EFI_TCG2_PROTOCOL *This,\r |
1456 | IN UINT32 ActivePcrBanks\r | |
1abfa4ce JY |
1457 | )\r |
1458 | {\r | |
1459 | EFI_STATUS Status;\r | |
1460 | UINT32 ReturnCode;\r | |
1461 | \r | |
e905fbb0 | 1462 | DEBUG ((DEBUG_INFO, "Tcg2SetActivePCRBanks ... (0x%x)\n", ActivePcrBanks));\r |
1abfa4ce JY |
1463 | \r |
1464 | if (ActivePcrBanks == 0) {\r | |
1465 | return EFI_INVALID_PARAMETER;\r | |
1466 | }\r | |
c411b485 | 1467 | \r |
1abfa4ce JY |
1468 | if ((ActivePcrBanks & (~mTcgDxeData.BsCap.HashAlgorithmBitmap)) != 0) {\r |
1469 | return EFI_INVALID_PARAMETER;\r | |
1470 | }\r | |
c411b485 | 1471 | \r |
1abfa4ce JY |
1472 | if (ActivePcrBanks == mTcgDxeData.BsCap.ActivePcrBanks) {\r |
1473 | //\r | |
1474 | // Need clear previous SET_PCR_BANKS setting\r | |
1475 | //\r | |
1476 | ReturnCode = Tcg2PhysicalPresenceLibSubmitRequestToPreOSFunction (TCG2_PHYSICAL_PRESENCE_NO_ACTION, 0);\r | |
1477 | } else {\r | |
1478 | ReturnCode = Tcg2PhysicalPresenceLibSubmitRequestToPreOSFunction (TCG2_PHYSICAL_PRESENCE_SET_PCR_BANKS, ActivePcrBanks);\r | |
1479 | }\r | |
1480 | \r | |
1481 | if (ReturnCode == TCG_PP_SUBMIT_REQUEST_TO_PREOS_SUCCESS) {\r | |
1482 | Status = EFI_SUCCESS;\r | |
1483 | } else if (ReturnCode == TCG_PP_SUBMIT_REQUEST_TO_PREOS_GENERAL_FAILURE) {\r | |
1484 | Status = EFI_OUT_OF_RESOURCES;\r | |
1485 | } else if (ReturnCode == TCG_PP_SUBMIT_REQUEST_TO_PREOS_NOT_IMPLEMENTED) {\r | |
1486 | Status = EFI_UNSUPPORTED;\r | |
1487 | } else {\r | |
1488 | Status = EFI_DEVICE_ERROR;\r | |
1489 | }\r | |
1490 | \r | |
e905fbb0 | 1491 | DEBUG ((DEBUG_INFO, "Tcg2SetActivePCRBanks - %r\n", Status));\r |
1abfa4ce JY |
1492 | \r |
1493 | return Status;\r | |
1494 | }\r | |
1495 | \r | |
1496 | /**\r | |
1497 | This service retrieves the result of a previous invocation of SetActivePcrBanks.\r | |
1498 | \r | |
1499 | @param[in] This Indicates the calling context\r | |
1500 | @param[out] OperationPresent Non-zero value to indicate a SetActivePcrBank operation was invoked during the last boot.\r | |
1501 | @param[out] Response The response from the SetActivePcrBank request.\r | |
1502 | \r | |
1503 | @retval EFI_SUCCESS The result value could be returned.\r | |
1504 | @retval EFI_INVALID_PARAMETER One or more of the parameters are incorrect.\r | |
1505 | **/\r | |
1506 | EFI_STATUS\r | |
1507 | EFIAPI\r | |
1508 | Tcg2GetResultOfSetActivePcrBanks (\r | |
1509 | IN EFI_TCG2_PROTOCOL *This,\r | |
1510 | OUT UINT32 *OperationPresent,\r | |
1511 | OUT UINT32 *Response\r | |
1512 | )\r | |
1513 | {\r | |
1514 | UINT32 ReturnCode;\r | |
1515 | \r | |
1516 | if ((OperationPresent == NULL) || (Response == NULL)) {\r | |
1517 | return EFI_INVALID_PARAMETER;\r | |
1518 | }\r | |
b3548d32 | 1519 | \r |
1abfa4ce JY |
1520 | ReturnCode = Tcg2PhysicalPresenceLibReturnOperationResponseToOsFunction (OperationPresent, Response);\r |
1521 | if (ReturnCode == TCG_PP_RETURN_TPM_OPERATION_RESPONSE_SUCCESS) {\r | |
1522 | return EFI_SUCCESS;\r | |
1523 | } else {\r | |
1524 | return EFI_UNSUPPORTED;\r | |
1525 | }\r | |
1526 | }\r | |
1527 | \r | |
c411b485 MK |
1528 | EFI_TCG2_PROTOCOL mTcg2Protocol = {\r |
1529 | Tcg2GetCapability,\r | |
1530 | Tcg2GetEventLog,\r | |
1531 | Tcg2HashLogExtendEvent,\r | |
1532 | Tcg2SubmitCommand,\r | |
1533 | Tcg2GetActivePCRBanks,\r | |
1534 | Tcg2SetActivePCRBanks,\r | |
1535 | Tcg2GetResultOfSetActivePcrBanks,\r | |
1abfa4ce JY |
1536 | };\r |
1537 | \r | |
1538 | /**\r | |
1539 | Initialize the Event Log and log events passed from the PEI phase.\r | |
1540 | \r | |
1541 | @retval EFI_SUCCESS Operation completed successfully.\r | |
1542 | @retval EFI_OUT_OF_RESOURCES Out of memory.\r | |
1543 | \r | |
1544 | **/\r | |
1545 | EFI_STATUS\r | |
1546 | SetupEventLog (\r | |
1547 | VOID\r | |
1548 | )\r | |
1549 | {\r | |
c411b485 MK |
1550 | EFI_STATUS Status;\r |
1551 | VOID *TcgEvent;\r | |
1552 | EFI_PEI_HOB_POINTERS GuidHob;\r | |
1553 | EFI_PHYSICAL_ADDRESS Lasa;\r | |
1554 | UINTN Index;\r | |
1555 | VOID *DigestListBin;\r | |
1556 | TPML_DIGEST_VALUES TempDigestListBin;\r | |
1557 | UINT32 DigestListBinSize;\r | |
1558 | UINT8 *Event;\r | |
1559 | UINT32 EventSize;\r | |
1560 | UINT32 *EventSizePtr;\r | |
1561 | UINT32 HashAlgorithmMaskCopied;\r | |
1562 | TCG_EfiSpecIDEventStruct *TcgEfiSpecIdEventStruct;\r | |
1563 | UINT8 TempBuf[sizeof (TCG_EfiSpecIDEventStruct) + sizeof (UINT32) + (HASH_COUNT * sizeof (TCG_EfiSpecIdEventAlgorithmSize)) + sizeof (UINT8)];\r | |
1564 | TCG_PCR_EVENT_HDR SpecIdEvent;\r | |
1565 | TCG_PCR_EVENT2_HDR NoActionEvent;\r | |
1566 | TCG_EfiSpecIdEventAlgorithmSize *DigestSize;\r | |
1567 | TCG_EfiSpecIdEventAlgorithmSize *TempDigestSize;\r | |
1568 | UINT8 *VendorInfoSize;\r | |
1569 | UINT32 NumberOfAlgorithms;\r | |
1570 | TCG_EfiStartupLocalityEvent StartupLocalityEvent;\r | |
1abfa4ce | 1571 | \r |
e905fbb0 | 1572 | DEBUG ((DEBUG_INFO, "SetupEventLog\n"));\r |
1abfa4ce JY |
1573 | \r |
1574 | //\r | |
1575 | // 1. Create Log Area\r | |
1576 | //\r | |
c411b485 | 1577 | for (Index = 0; Index < sizeof (mTcg2EventInfo)/sizeof (mTcg2EventInfo[0]); Index++) {\r |
1abfa4ce JY |
1578 | if ((mTcgDxeData.BsCap.SupportedEventLogs & mTcg2EventInfo[Index].LogFormat) != 0) {\r |
1579 | mTcgDxeData.EventLogAreaStruct[Index].EventLogFormat = mTcg2EventInfo[Index].LogFormat;\r | |
c411b485 | 1580 | if (PcdGet8 (PcdTpm2AcpiTableRev) >= 4) {\r |
a7e2d201 JY |
1581 | Status = gBS->AllocatePages (\r |
1582 | AllocateAnyPages,\r | |
1583 | EfiACPIMemoryNVS,\r | |
1584 | EFI_SIZE_TO_PAGES (PcdGet32 (PcdTcgLogAreaMinLen)),\r | |
1585 | &Lasa\r | |
1586 | );\r | |
1587 | } else {\r | |
1588 | Status = gBS->AllocatePages (\r | |
1589 | AllocateAnyPages,\r | |
1590 | EfiBootServicesData,\r | |
1591 | EFI_SIZE_TO_PAGES (PcdGet32 (PcdTcgLogAreaMinLen)),\r | |
1592 | &Lasa\r | |
1593 | );\r | |
1594 | }\r | |
c411b485 | 1595 | \r |
1abfa4ce JY |
1596 | if (EFI_ERROR (Status)) {\r |
1597 | return Status;\r | |
1598 | }\r | |
c411b485 MK |
1599 | \r |
1600 | mTcgDxeData.EventLogAreaStruct[Index].Lasa = Lasa;\r | |
1601 | mTcgDxeData.EventLogAreaStruct[Index].Laml = PcdGet32 (PcdTcgLogAreaMinLen);\r | |
4fa25853 | 1602 | mTcgDxeData.EventLogAreaStruct[Index].Next800155EventOffset = 0;\r |
a7e2d201 | 1603 | \r |
c411b485 MK |
1604 | if ((PcdGet8 (PcdTpm2AcpiTableRev) >= 4) ||\r |
1605 | (mTcg2EventInfo[Index].LogFormat == EFI_TCG2_EVENT_LOG_FORMAT_TCG_2))\r | |
1606 | {\r | |
a7e2d201 JY |
1607 | //\r |
1608 | // Report TCG2 event log address and length, so that they can be reported in TPM2 ACPI table.\r | |
1609 | // Ignore the return status, because those fields are optional.\r | |
1610 | //\r | |
c411b485 MK |
1611 | PcdSet32S (PcdTpm2AcpiTableLaml, (UINT32)mTcgDxeData.EventLogAreaStruct[Index].Laml);\r |
1612 | PcdSet64S (PcdTpm2AcpiTableLasa, mTcgDxeData.EventLogAreaStruct[Index].Lasa);\r | |
a7e2d201 JY |
1613 | }\r |
1614 | \r | |
1abfa4ce | 1615 | //\r |
b3548d32 | 1616 | // To initialize them as 0xFF is recommended\r |
1abfa4ce JY |
1617 | // because the OS can know the last entry for that.\r |
1618 | //\r | |
91e914f5 | 1619 | SetMem ((VOID *)(UINTN)Lasa, PcdGet32 (PcdTcgLogAreaMinLen), 0xFF);\r |
1abfa4ce JY |
1620 | //\r |
1621 | // Create first entry for Log Header Entry Data\r | |
1622 | //\r | |
1623 | if (mTcg2EventInfo[Index].LogFormat != EFI_TCG2_EVENT_LOG_FORMAT_TCG_1_2) {\r | |
1624 | //\r | |
1625 | // TcgEfiSpecIdEventStruct\r | |
1626 | //\r | |
1627 | TcgEfiSpecIdEventStruct = (TCG_EfiSpecIDEventStruct *)TempBuf;\r | |
c411b485 MK |
1628 | CopyMem (TcgEfiSpecIdEventStruct->signature, TCG_EfiSpecIDEventStruct_SIGNATURE_03, sizeof (TcgEfiSpecIdEventStruct->signature));\r |
1629 | TcgEfiSpecIdEventStruct->platformClass = PcdGet8 (PcdTpmPlatformClass);\r | |
1abfa4ce JY |
1630 | TcgEfiSpecIdEventStruct->specVersionMajor = TCG_EfiSpecIDEventStruct_SPEC_VERSION_MAJOR_TPM2;\r |
1631 | TcgEfiSpecIdEventStruct->specVersionMinor = TCG_EfiSpecIDEventStruct_SPEC_VERSION_MINOR_TPM2;\r | |
c411b485 MK |
1632 | TcgEfiSpecIdEventStruct->specErrata = (UINT8)PcdGet32 (PcdTcgPfpMeasurementRevision);\r |
1633 | TcgEfiSpecIdEventStruct->uintnSize = sizeof (UINTN)/sizeof (UINT32);\r | |
1634 | NumberOfAlgorithms = 0;\r | |
1635 | DigestSize = (TCG_EfiSpecIdEventAlgorithmSize *)((UINT8 *)TcgEfiSpecIdEventStruct + sizeof (*TcgEfiSpecIdEventStruct) + sizeof (NumberOfAlgorithms));\r | |
1abfa4ce | 1636 | if ((mTcgDxeData.BsCap.ActivePcrBanks & EFI_TCG2_BOOT_HASH_ALG_SHA1) != 0) {\r |
c411b485 MK |
1637 | TempDigestSize = DigestSize;\r |
1638 | TempDigestSize += NumberOfAlgorithms;\r | |
35e00ace | 1639 | TempDigestSize->algorithmId = TPM_ALG_SHA1;\r |
c411b485 | 1640 | TempDigestSize->digestSize = SHA1_DIGEST_SIZE;\r |
a9092578 | 1641 | NumberOfAlgorithms++;\r |
1abfa4ce | 1642 | }\r |
c411b485 | 1643 | \r |
1abfa4ce | 1644 | if ((mTcgDxeData.BsCap.ActivePcrBanks & EFI_TCG2_BOOT_HASH_ALG_SHA256) != 0) {\r |
c411b485 MK |
1645 | TempDigestSize = DigestSize;\r |
1646 | TempDigestSize += NumberOfAlgorithms;\r | |
35e00ace | 1647 | TempDigestSize->algorithmId = TPM_ALG_SHA256;\r |
c411b485 | 1648 | TempDigestSize->digestSize = SHA256_DIGEST_SIZE;\r |
a9092578 | 1649 | NumberOfAlgorithms++;\r |
1abfa4ce | 1650 | }\r |
c411b485 | 1651 | \r |
1abfa4ce | 1652 | if ((mTcgDxeData.BsCap.ActivePcrBanks & EFI_TCG2_BOOT_HASH_ALG_SHA384) != 0) {\r |
c411b485 MK |
1653 | TempDigestSize = DigestSize;\r |
1654 | TempDigestSize += NumberOfAlgorithms;\r | |
35e00ace | 1655 | TempDigestSize->algorithmId = TPM_ALG_SHA384;\r |
c411b485 | 1656 | TempDigestSize->digestSize = SHA384_DIGEST_SIZE;\r |
a9092578 | 1657 | NumberOfAlgorithms++;\r |
1abfa4ce | 1658 | }\r |
c411b485 | 1659 | \r |
1abfa4ce | 1660 | if ((mTcgDxeData.BsCap.ActivePcrBanks & EFI_TCG2_BOOT_HASH_ALG_SHA512) != 0) {\r |
c411b485 MK |
1661 | TempDigestSize = DigestSize;\r |
1662 | TempDigestSize += NumberOfAlgorithms;\r | |
35e00ace | 1663 | TempDigestSize->algorithmId = TPM_ALG_SHA512;\r |
c411b485 | 1664 | TempDigestSize->digestSize = SHA512_DIGEST_SIZE;\r |
a9092578 | 1665 | NumberOfAlgorithms++;\r |
1abfa4ce | 1666 | }\r |
c411b485 | 1667 | \r |
1abfa4ce | 1668 | if ((mTcgDxeData.BsCap.ActivePcrBanks & EFI_TCG2_BOOT_HASH_ALG_SM3_256) != 0) {\r |
c411b485 MK |
1669 | TempDigestSize = DigestSize;\r |
1670 | TempDigestSize += NumberOfAlgorithms;\r | |
35e00ace | 1671 | TempDigestSize->algorithmId = TPM_ALG_SM3_256;\r |
c411b485 | 1672 | TempDigestSize->digestSize = SM3_256_DIGEST_SIZE;\r |
a9092578 | 1673 | NumberOfAlgorithms++;\r |
1abfa4ce | 1674 | }\r |
c411b485 MK |
1675 | \r |
1676 | CopyMem (TcgEfiSpecIdEventStruct + 1, &NumberOfAlgorithms, sizeof (NumberOfAlgorithms));\r | |
1677 | TempDigestSize = DigestSize;\r | |
35e00ace | 1678 | TempDigestSize += NumberOfAlgorithms;\r |
c411b485 | 1679 | VendorInfoSize = (UINT8 *)TempDigestSize;\r |
a9092578 | 1680 | *VendorInfoSize = 0;\r |
1abfa4ce | 1681 | \r |
c411b485 | 1682 | SpecIdEvent.PCRIndex = 0;\r |
a2612cf7 | 1683 | SpecIdEvent.EventType = EV_NO_ACTION;\r |
c411b485 | 1684 | ZeroMem (&SpecIdEvent.Digest, sizeof (SpecIdEvent.Digest));\r |
a2612cf7 | 1685 | SpecIdEvent.EventSize = (UINT32)GetTcgEfiSpecIdEventStructSize (TcgEfiSpecIdEventStruct);\r |
1abfa4ce JY |
1686 | \r |
1687 | //\r | |
a2612cf7 ZC |
1688 | // Log TcgEfiSpecIdEventStruct as the first Event. Event format is TCG_PCR_EVENT.\r |
1689 | // TCG EFI Protocol Spec. Section 5.3 Event Log Header\r | |
18458db1 | 1690 | // TCG PC Client PFP spec. Section 9.2 Measurement Event Entries and Log\r |
1abfa4ce JY |
1691 | //\r |
1692 | Status = TcgDxeLogEvent (\r | |
1693 | mTcg2EventInfo[Index].LogFormat,\r | |
a2612cf7 | 1694 | &SpecIdEvent,\r |
c411b485 | 1695 | sizeof (SpecIdEvent),\r |
1abfa4ce | 1696 | (UINT8 *)TcgEfiSpecIdEventStruct,\r |
a2612cf7 | 1697 | SpecIdEvent.EventSize\r |
1abfa4ce | 1698 | );\r |
4fa25853 JY |
1699 | //\r |
1700 | // record the offset at the end of 800-155 event.\r | |
1701 | // the future 800-155 event can be inserted here.\r | |
1702 | //\r | |
1703 | mTcgDxeData.EventLogAreaStruct[Index].Next800155EventOffset = \\r | |
1704 | mTcgDxeData.EventLogAreaStruct[Index].EventLogSize;\r | |
1705 | \r | |
1706 | //\r | |
1707 | // Tcg800155PlatformIdEvent. Event format is TCG_PCR_EVENT2\r | |
1708 | //\r | |
1709 | GuidHob.Guid = GetFirstGuidHob (&gTcg800155PlatformIdEventHobGuid);\r | |
1710 | while (GuidHob.Guid != NULL) {\r | |
c411b485 | 1711 | InitNoActionEvent (&NoActionEvent, GET_GUID_HOB_DATA_SIZE (GuidHob.Guid));\r |
4fa25853 JY |
1712 | \r |
1713 | Status = TcgDxeLogEvent (\r | |
1714 | mTcg2EventInfo[Index].LogFormat,\r | |
1715 | &NoActionEvent,\r | |
c411b485 | 1716 | sizeof (NoActionEvent.PCRIndex) + sizeof (NoActionEvent.EventType) + GetDigestListBinSize (&NoActionEvent.Digests) + sizeof (NoActionEvent.EventSize),\r |
4fa25853 JY |
1717 | GET_GUID_HOB_DATA (GuidHob.Guid),\r |
1718 | GET_GUID_HOB_DATA_SIZE (GuidHob.Guid)\r | |
1719 | );\r | |
1720 | \r | |
1721 | GuidHob.Guid = GET_NEXT_HOB (GuidHob);\r | |
1722 | GuidHob.Guid = GetNextGuidHob (&gTcg800155PlatformIdEventHobGuid, GuidHob.Guid);\r | |
1723 | }\r | |
18458db1 ZC |
1724 | \r |
1725 | //\r | |
a2612cf7 | 1726 | // EfiStartupLocalityEvent. Event format is TCG_PCR_EVENT2\r |
18458db1 ZC |
1727 | //\r |
1728 | GuidHob.Guid = GetFirstGuidHob (&gTpm2StartupLocalityHobGuid);\r | |
1729 | if (GuidHob.Guid != NULL) {\r | |
1730 | //\r | |
1731 | // Get Locality Indicator from StartupLocality HOB\r | |
1732 | //\r | |
1733 | StartupLocalityEvent.StartupLocality = *(UINT8 *)(GET_GUID_HOB_DATA (GuidHob.Guid));\r | |
c411b485 | 1734 | CopyMem (StartupLocalityEvent.Signature, TCG_EfiStartupLocalityEvent_SIGNATURE, sizeof (StartupLocalityEvent.Signature));\r |
18458db1 ZC |
1735 | DEBUG ((DEBUG_INFO, "SetupEventLog: Set Locality from HOB into StartupLocalityEvent 0x%02x\n", StartupLocalityEvent.StartupLocality));\r |
1736 | \r | |
a2612cf7 ZC |
1737 | //\r |
1738 | // Initialize StartupLocalityEvent\r | |
1739 | //\r | |
c411b485 | 1740 | InitNoActionEvent (&NoActionEvent, sizeof (StartupLocalityEvent));\r |
a2612cf7 | 1741 | \r |
18458db1 ZC |
1742 | //\r |
1743 | // Log EfiStartupLocalityEvent as the second Event\r | |
1744 | // TCG PC Client PFP spec. Section 9.3.4.3 Startup Locality Event\r | |
1745 | //\r | |
1746 | Status = TcgDxeLogEvent (\r | |
1747 | mTcg2EventInfo[Index].LogFormat,\r | |
1748 | &NoActionEvent,\r | |
c411b485 | 1749 | sizeof (NoActionEvent.PCRIndex) + sizeof (NoActionEvent.EventType) + GetDigestListBinSize (&NoActionEvent.Digests) + sizeof (NoActionEvent.EventSize),\r |
18458db1 | 1750 | (UINT8 *)&StartupLocalityEvent,\r |
c411b485 | 1751 | sizeof (StartupLocalityEvent)\r |
18458db1 ZC |
1752 | );\r |
1753 | }\r | |
1abfa4ce JY |
1754 | }\r |
1755 | }\r | |
1756 | }\r | |
1757 | \r | |
1758 | //\r | |
1759 | // 2. Create Final Log Area\r | |
1760 | //\r | |
c411b485 | 1761 | for (Index = 0; Index < sizeof (mTcg2EventInfo)/sizeof (mTcg2EventInfo[0]); Index++) {\r |
1abfa4ce | 1762 | if ((mTcgDxeData.BsCap.SupportedEventLogs & mTcg2EventInfo[Index].LogFormat) != 0) {\r |
fd46e831 | 1763 | if (mTcg2EventInfo[Index].LogFormat == EFI_TCG2_EVENT_LOG_FORMAT_TCG_2) {\r |
fd46e831 | 1764 | Status = gBS->AllocatePages (\r |
dc756bae | 1765 | AllocateAnyPages,\r |
fd46e831 JY |
1766 | EfiACPIMemoryNVS,\r |
1767 | EFI_SIZE_TO_PAGES (PcdGet32 (PcdTcg2FinalLogAreaLen)),\r | |
1768 | &Lasa\r | |
1769 | );\r | |
1770 | if (EFI_ERROR (Status)) {\r | |
1771 | return Status;\r | |
1772 | }\r | |
c411b485 | 1773 | \r |
fd46e831 | 1774 | SetMem ((VOID *)(UINTN)Lasa, PcdGet32 (PcdTcg2FinalLogAreaLen), 0xFF);\r |
1abfa4ce | 1775 | \r |
fd46e831 JY |
1776 | //\r |
1777 | // Initialize\r | |
1778 | //\r | |
c411b485 MK |
1779 | mTcgDxeData.FinalEventsTable[Index] = (VOID *)(UINTN)Lasa;\r |
1780 | (mTcgDxeData.FinalEventsTable[Index])->Version = EFI_TCG2_FINAL_EVENTS_TABLE_VERSION;\r | |
fd46e831 JY |
1781 | (mTcgDxeData.FinalEventsTable[Index])->NumberOfEvents = 0;\r |
1782 | \r | |
c411b485 MK |
1783 | mTcgDxeData.FinalEventLogAreaStruct[Index].EventLogFormat = mTcg2EventInfo[Index].LogFormat;\r |
1784 | mTcgDxeData.FinalEventLogAreaStruct[Index].Lasa = Lasa + sizeof (EFI_TCG2_FINAL_EVENTS_TABLE);\r | |
1785 | mTcgDxeData.FinalEventLogAreaStruct[Index].Laml = PcdGet32 (PcdTcg2FinalLogAreaLen) - sizeof (EFI_TCG2_FINAL_EVENTS_TABLE);\r | |
1786 | mTcgDxeData.FinalEventLogAreaStruct[Index].EventLogSize = 0;\r | |
1787 | mTcgDxeData.FinalEventLogAreaStruct[Index].LastEvent = (VOID *)(UINTN)mTcgDxeData.FinalEventLogAreaStruct[Index].Lasa;\r | |
1788 | mTcgDxeData.FinalEventLogAreaStruct[Index].EventLogStarted = FALSE;\r | |
1789 | mTcgDxeData.FinalEventLogAreaStruct[Index].EventLogTruncated = FALSE;\r | |
4fa25853 | 1790 | mTcgDxeData.FinalEventLogAreaStruct[Index].Next800155EventOffset = 0;\r |
1abfa4ce | 1791 | \r |
1abfa4ce | 1792 | //\r |
b3548d32 | 1793 | // Install to configuration table for EFI_TCG2_EVENT_LOG_FORMAT_TCG_2\r |
1abfa4ce | 1794 | //\r |
fd46e831 | 1795 | Status = gBS->InstallConfigurationTable (&gEfiTcg2FinalEventsTableGuid, (VOID *)mTcgDxeData.FinalEventsTable[Index]);\r |
1abfa4ce JY |
1796 | if (EFI_ERROR (Status)) {\r |
1797 | return Status;\r | |
1798 | }\r | |
fd46e831 JY |
1799 | } else {\r |
1800 | //\r | |
1801 | // No need to handle EFI_TCG2_EVENT_LOG_FORMAT_TCG_1_2\r | |
1802 | //\r | |
c411b485 MK |
1803 | mTcgDxeData.FinalEventsTable[Index] = NULL;\r |
1804 | mTcgDxeData.FinalEventLogAreaStruct[Index].EventLogFormat = mTcg2EventInfo[Index].LogFormat;\r | |
1805 | mTcgDxeData.FinalEventLogAreaStruct[Index].Lasa = 0;\r | |
1806 | mTcgDxeData.FinalEventLogAreaStruct[Index].Laml = 0;\r | |
1807 | mTcgDxeData.FinalEventLogAreaStruct[Index].EventLogSize = 0;\r | |
1808 | mTcgDxeData.FinalEventLogAreaStruct[Index].LastEvent = 0;\r | |
1809 | mTcgDxeData.FinalEventLogAreaStruct[Index].EventLogStarted = FALSE;\r | |
1810 | mTcgDxeData.FinalEventLogAreaStruct[Index].EventLogTruncated = FALSE;\r | |
4fa25853 | 1811 | mTcgDxeData.FinalEventLogAreaStruct[Index].Next800155EventOffset = 0;\r |
1abfa4ce JY |
1812 | }\r |
1813 | }\r | |
1814 | }\r | |
b3548d32 | 1815 | \r |
1abfa4ce JY |
1816 | //\r |
1817 | // 3. Sync data from PEI to DXE\r | |
1818 | //\r | |
1819 | Status = EFI_SUCCESS;\r | |
c411b485 | 1820 | for (Index = 0; Index < sizeof (mTcg2EventInfo)/sizeof (mTcg2EventInfo[0]); Index++) {\r |
1abfa4ce JY |
1821 | if ((mTcgDxeData.BsCap.SupportedEventLogs & mTcg2EventInfo[Index].LogFormat) != 0) {\r |
1822 | GuidHob.Raw = GetHobList ();\r | |
c411b485 | 1823 | Status = EFI_SUCCESS;\r |
b3548d32 | 1824 | while (!EFI_ERROR (Status) &&\r |
c411b485 MK |
1825 | (GuidHob.Raw = GetNextGuidHob (mTcg2EventInfo[Index].EventGuid, GuidHob.Raw)) != NULL)\r |
1826 | {\r | |
1827 | TcgEvent = AllocateCopyPool (GET_GUID_HOB_DATA_SIZE (GuidHob.Guid), GET_GUID_HOB_DATA (GuidHob.Guid));\r | |
ab5b1f31 | 1828 | ASSERT (TcgEvent != NULL);\r |
1abfa4ce JY |
1829 | GuidHob.Raw = GET_NEXT_HOB (GuidHob);\r |
1830 | switch (mTcg2EventInfo[Index].LogFormat) {\r | |
c411b485 MK |
1831 | case EFI_TCG2_EVENT_LOG_FORMAT_TCG_1_2:\r |
1832 | Status = TcgDxeLogEvent (\r | |
1833 | mTcg2EventInfo[Index].LogFormat,\r | |
1834 | TcgEvent,\r | |
1835 | sizeof (TCG_PCR_EVENT_HDR),\r | |
1836 | ((TCG_PCR_EVENT *)TcgEvent)->Event,\r | |
1837 | ((TCG_PCR_EVENT_HDR *)TcgEvent)->EventSize\r | |
1838 | );\r | |
1839 | break;\r | |
1840 | case EFI_TCG2_EVENT_LOG_FORMAT_TCG_2:\r | |
1841 | DigestListBin = (UINT8 *)TcgEvent + sizeof (TCG_PCRINDEX) + sizeof (TCG_EVENTTYPE);\r | |
1842 | DigestListBinSize = GetDigestListBinSize (DigestListBin);\r | |
1843 | //\r | |
1844 | // Save event size.\r | |
1845 | //\r | |
1846 | CopyMem (&EventSize, (UINT8 *)DigestListBin + DigestListBinSize, sizeof (UINT32));\r | |
1847 | Event = (UINT8 *)DigestListBin + DigestListBinSize + sizeof (UINT32);\r | |
1848 | //\r | |
1849 | // Filter inactive digest in the event2 log from PEI HOB.\r | |
1850 | //\r | |
1851 | CopyMem (&TempDigestListBin, DigestListBin, GetDigestListBinSize (DigestListBin));\r | |
1852 | EventSizePtr = CopyDigestListBinToBuffer (\r | |
1853 | DigestListBin,\r | |
1854 | &TempDigestListBin,\r | |
1855 | mTcgDxeData.BsCap.ActivePcrBanks,\r | |
1856 | &HashAlgorithmMaskCopied\r | |
1857 | );\r | |
1858 | if (HashAlgorithmMaskCopied != mTcgDxeData.BsCap.ActivePcrBanks) {\r | |
1859 | DEBUG ((\r | |
1860 | DEBUG_ERROR,\r | |
1861 | "ERROR: The event2 log includes digest hash mask 0x%x, but required digest hash mask is 0x%x\n",\r | |
1862 | HashAlgorithmMaskCopied,\r | |
1863 | mTcgDxeData.BsCap.ActivePcrBanks\r | |
1864 | ));\r | |
1865 | }\r | |
1866 | \r | |
1867 | //\r | |
1868 | // Restore event size.\r | |
1869 | //\r | |
1870 | CopyMem (EventSizePtr, &EventSize, sizeof (UINT32));\r | |
1871 | DigestListBinSize = GetDigestListBinSize (DigestListBin);\r | |
1872 | \r | |
1873 | Status = TcgDxeLogEvent (\r | |
1874 | mTcg2EventInfo[Index].LogFormat,\r | |
1875 | TcgEvent,\r | |
1876 | sizeof (TCG_PCRINDEX) + sizeof (TCG_EVENTTYPE) + DigestListBinSize + sizeof (UINT32),\r | |
1877 | Event,\r | |
1878 | EventSize\r | |
1879 | );\r | |
1880 | break;\r | |
1abfa4ce | 1881 | }\r |
c411b485 | 1882 | \r |
ab5b1f31 | 1883 | FreePool (TcgEvent);\r |
1abfa4ce JY |
1884 | }\r |
1885 | }\r | |
1886 | }\r | |
1887 | \r | |
1888 | return Status;\r | |
1889 | }\r | |
1890 | \r | |
1891 | /**\r | |
c1b0828b | 1892 | Measure and log an action string, and extend the measurement result into PCR[PCRIndex].\r |
1abfa4ce | 1893 | \r |
c1b0828b | 1894 | @param[in] PCRIndex PCRIndex to extend\r |
b3548d32 LG |
1895 | @param[in] String A specific string that indicates an Action event.\r |
1896 | \r | |
1abfa4ce JY |
1897 | @retval EFI_SUCCESS Operation completed successfully.\r |
1898 | @retval EFI_DEVICE_ERROR The operation was unsuccessful.\r | |
1899 | \r | |
1900 | **/\r | |
1901 | EFI_STATUS\r | |
1902 | TcgMeasureAction (\r | |
c411b485 MK |
1903 | IN TPM_PCRINDEX PCRIndex,\r |
1904 | IN CHAR8 *String\r | |
1abfa4ce JY |
1905 | )\r |
1906 | {\r | |
c411b485 | 1907 | TCG_PCR_EVENT_HDR TcgEvent;\r |
1abfa4ce | 1908 | \r |
c1b0828b | 1909 | TcgEvent.PCRIndex = PCRIndex;\r |
1abfa4ce JY |
1910 | TcgEvent.EventType = EV_EFI_ACTION;\r |
1911 | TcgEvent.EventSize = (UINT32)AsciiStrLen (String);\r | |
1912 | return TcgDxeHashLogExtendEvent (\r | |
1913 | 0,\r | |
c411b485 | 1914 | (UINT8 *)String,\r |
1abfa4ce JY |
1915 | TcgEvent.EventSize,\r |
1916 | &TcgEvent,\r | |
c411b485 | 1917 | (UINT8 *)String\r |
1abfa4ce JY |
1918 | );\r |
1919 | }\r | |
1920 | \r | |
1921 | /**\r | |
1922 | Measure and log EFI handoff tables, and extend the measurement result into PCR[1].\r | |
1923 | \r | |
1924 | @retval EFI_SUCCESS Operation completed successfully.\r | |
1925 | @retval EFI_DEVICE_ERROR The operation was unsuccessful.\r | |
1926 | \r | |
1927 | **/\r | |
1928 | EFI_STATUS\r | |
1929 | MeasureHandoffTables (\r | |
1930 | VOID\r | |
1931 | )\r | |
1932 | {\r | |
c411b485 MK |
1933 | EFI_STATUS Status;\r |
1934 | TCG_PCR_EVENT_HDR TcgEvent;\r | |
1935 | EFI_HANDOFF_TABLE_POINTERS HandoffTables;\r | |
1936 | UINTN ProcessorNum;\r | |
1937 | EFI_CPU_PHYSICAL_LOCATION *ProcessorLocBuf;\r | |
1abfa4ce JY |
1938 | \r |
1939 | ProcessorLocBuf = NULL;\r | |
c411b485 | 1940 | Status = EFI_SUCCESS;\r |
1abfa4ce JY |
1941 | \r |
1942 | if (PcdGet8 (PcdTpmPlatformClass) == TCG_PLATFORM_TYPE_SERVER) {\r | |
1943 | //\r | |
b3548d32 | 1944 | // Tcg Server spec.\r |
1abfa4ce JY |
1945 | // Measure each processor EFI_CPU_PHYSICAL_LOCATION with EV_TABLE_OF_DEVICES to PCR[1]\r |
1946 | //\r | |
c411b485 | 1947 | Status = GetProcessorsCpuLocation (&ProcessorLocBuf, &ProcessorNum);\r |
1abfa4ce | 1948 | \r |
c411b485 | 1949 | if (!EFI_ERROR (Status)) {\r |
1abfa4ce JY |
1950 | TcgEvent.PCRIndex = 1;\r |
1951 | TcgEvent.EventType = EV_TABLE_OF_DEVICES;\r | |
1952 | TcgEvent.EventSize = sizeof (HandoffTables);\r | |
1953 | \r | |
c411b485 | 1954 | HandoffTables.NumberOfTables = 1;\r |
1abfa4ce JY |
1955 | HandoffTables.TableEntry[0].VendorGuid = gEfiMpServiceProtocolGuid;\r |
1956 | HandoffTables.TableEntry[0].VendorTable = ProcessorLocBuf;\r | |
1957 | \r | |
1958 | Status = TcgDxeHashLogExtendEvent (\r | |
1959 | 0,\r | |
c411b485 MK |
1960 | (UINT8 *)(UINTN)ProcessorLocBuf,\r |
1961 | sizeof (EFI_CPU_PHYSICAL_LOCATION) * ProcessorNum,\r | |
1abfa4ce | 1962 | &TcgEvent,\r |
c411b485 | 1963 | (UINT8 *)&HandoffTables\r |
1abfa4ce JY |
1964 | );\r |
1965 | \r | |
c411b485 | 1966 | FreePool (ProcessorLocBuf);\r |
1abfa4ce JY |
1967 | }\r |
1968 | }\r | |
1969 | \r | |
1970 | return Status;\r | |
1971 | }\r | |
1972 | \r | |
1973 | /**\r | |
1974 | Measure and log Separator event, and extend the measurement result into a specific PCR.\r | |
1975 | \r | |
b3548d32 | 1976 | @param[in] PCRIndex PCR index.\r |
1abfa4ce JY |
1977 | \r |
1978 | @retval EFI_SUCCESS Operation completed successfully.\r | |
1979 | @retval EFI_DEVICE_ERROR The operation was unsuccessful.\r | |
1980 | \r | |
1981 | **/\r | |
1982 | EFI_STATUS\r | |
1983 | MeasureSeparatorEvent (\r | |
c411b485 | 1984 | IN TPM_PCRINDEX PCRIndex\r |
1abfa4ce JY |
1985 | )\r |
1986 | {\r | |
c411b485 MK |
1987 | TCG_PCR_EVENT_HDR TcgEvent;\r |
1988 | UINT32 EventData;\r | |
1abfa4ce | 1989 | \r |
e905fbb0 | 1990 | DEBUG ((DEBUG_INFO, "MeasureSeparatorEvent Pcr - %x\n", PCRIndex));\r |
1abfa4ce | 1991 | \r |
c411b485 | 1992 | EventData = 0;\r |
1abfa4ce JY |
1993 | TcgEvent.PCRIndex = PCRIndex;\r |
1994 | TcgEvent.EventType = EV_SEPARATOR;\r | |
1995 | TcgEvent.EventSize = (UINT32)sizeof (EventData);\r | |
1996 | return TcgDxeHashLogExtendEvent (\r | |
1997 | 0,\r | |
1998 | (UINT8 *)&EventData,\r | |
1999 | sizeof (EventData),\r | |
2000 | &TcgEvent,\r | |
2001 | (UINT8 *)&EventData\r | |
2002 | );\r | |
2003 | }\r | |
2004 | \r | |
2005 | /**\r | |
2006 | Measure and log an EFI variable, and extend the measurement result into a specific PCR.\r | |
2007 | \r | |
b3548d32 LG |
2008 | @param[in] PCRIndex PCR Index.\r |
2009 | @param[in] EventType Event type.\r | |
1abfa4ce JY |
2010 | @param[in] VarName A Null-terminated string that is the name of the vendor's variable.\r |
2011 | @param[in] VendorGuid A unique identifier for the vendor.\r | |
b3548d32 LG |
2012 | @param[in] VarData The content of the variable data.\r |
2013 | @param[in] VarSize The size of the variable data.\r | |
2014 | \r | |
1abfa4ce JY |
2015 | @retval EFI_SUCCESS Operation completed successfully.\r |
2016 | @retval EFI_OUT_OF_RESOURCES Out of memory.\r | |
2017 | @retval EFI_DEVICE_ERROR The operation was unsuccessful.\r | |
2018 | \r | |
2019 | **/\r | |
2020 | EFI_STATUS\r | |
2021 | MeasureVariable (\r | |
c411b485 MK |
2022 | IN TPM_PCRINDEX PCRIndex,\r |
2023 | IN TCG_EVENTTYPE EventType,\r | |
2024 | IN CHAR16 *VarName,\r | |
2025 | IN EFI_GUID *VendorGuid,\r | |
2026 | IN VOID *VarData,\r | |
2027 | IN UINTN VarSize\r | |
1abfa4ce JY |
2028 | )\r |
2029 | {\r | |
c411b485 MK |
2030 | EFI_STATUS Status;\r |
2031 | TCG_PCR_EVENT_HDR TcgEvent;\r | |
2032 | UINTN VarNameLength;\r | |
2033 | UEFI_VARIABLE_DATA *VarLog;\r | |
1abfa4ce | 2034 | \r |
e905fbb0 MK |
2035 | DEBUG ((DEBUG_INFO, "Tcg2Dxe: MeasureVariable (Pcr - %x, EventType - %x, ", (UINTN)PCRIndex, (UINTN)EventType));\r |
2036 | DEBUG ((DEBUG_INFO, "VariableName - %s, VendorGuid - %g)\n", VarName, VendorGuid));\r | |
1abfa4ce JY |
2037 | \r |
2038 | VarNameLength = StrLen (VarName);\r | |
2039 | TcgEvent.PCRIndex = PCRIndex;\r | |
2040 | TcgEvent.EventType = EventType;\r | |
2041 | \r | |
2042 | TcgEvent.EventSize = (UINT32)(sizeof (*VarLog) + VarNameLength * sizeof (*VarName) + VarSize\r | |
c411b485 | 2043 | - sizeof (VarLog->UnicodeName) - sizeof (VarLog->VariableData));\r |
1abfa4ce | 2044 | \r |
9d77acf1 | 2045 | VarLog = (UEFI_VARIABLE_DATA *)AllocatePool (TcgEvent.EventSize);\r |
1abfa4ce JY |
2046 | if (VarLog == NULL) {\r |
2047 | return EFI_OUT_OF_RESOURCES;\r | |
2048 | }\r | |
2049 | \r | |
2050 | VarLog->VariableName = *VendorGuid;\r | |
2051 | VarLog->UnicodeNameLength = VarNameLength;\r | |
2052 | VarLog->VariableDataLength = VarSize;\r | |
2053 | CopyMem (\r | |
c411b485 MK |
2054 | VarLog->UnicodeName,\r |
2055 | VarName,\r | |
2056 | VarNameLength * sizeof (*VarName)\r | |
2057 | );\r | |
2058 | if ((VarSize != 0) && (VarData != NULL)) {\r | |
1abfa4ce | 2059 | CopyMem (\r |
c411b485 MK |
2060 | (CHAR16 *)VarLog->UnicodeName + VarNameLength,\r |
2061 | VarData,\r | |
2062 | VarSize\r | |
2063 | );\r | |
1abfa4ce JY |
2064 | }\r |
2065 | \r | |
2066 | if (EventType == EV_EFI_VARIABLE_DRIVER_CONFIG) {\r | |
2067 | //\r | |
9d77acf1 | 2068 | // Digest is the event data (UEFI_VARIABLE_DATA)\r |
1abfa4ce JY |
2069 | //\r |
2070 | Status = TcgDxeHashLogExtendEvent (\r | |
2071 | 0,\r | |
c411b485 | 2072 | (UINT8 *)VarLog,\r |
1abfa4ce JY |
2073 | TcgEvent.EventSize,\r |
2074 | &TcgEvent,\r | |
c411b485 | 2075 | (UINT8 *)VarLog\r |
1abfa4ce JY |
2076 | );\r |
2077 | } else {\r | |
36e9e3e8 | 2078 | ASSERT (VarData != NULL);\r |
1abfa4ce JY |
2079 | Status = TcgDxeHashLogExtendEvent (\r |
2080 | 0,\r | |
c411b485 | 2081 | (UINT8 *)VarData,\r |
1abfa4ce JY |
2082 | VarSize,\r |
2083 | &TcgEvent,\r | |
c411b485 | 2084 | (UINT8 *)VarLog\r |
1abfa4ce JY |
2085 | );\r |
2086 | }\r | |
c411b485 | 2087 | \r |
1abfa4ce JY |
2088 | FreePool (VarLog);\r |
2089 | return Status;\r | |
2090 | }\r | |
2091 | \r | |
2092 | /**\r | |
2093 | Read then Measure and log an EFI variable, and extend the measurement result into a specific PCR.\r | |
2094 | \r | |
b3548d32 LG |
2095 | @param[in] PCRIndex PCR Index.\r |
2096 | @param[in] EventType Event type.\r | |
1abfa4ce JY |
2097 | @param[in] VarName A Null-terminated string that is the name of the vendor's variable.\r |
2098 | @param[in] VendorGuid A unique identifier for the vendor.\r | |
b3548d32 LG |
2099 | @param[out] VarSize The size of the variable data.\r |
2100 | @param[out] VarData Pointer to the content of the variable.\r | |
2101 | \r | |
1abfa4ce JY |
2102 | @retval EFI_SUCCESS Operation completed successfully.\r |
2103 | @retval EFI_OUT_OF_RESOURCES Out of memory.\r | |
2104 | @retval EFI_DEVICE_ERROR The operation was unsuccessful.\r | |
2105 | \r | |
2106 | **/\r | |
2107 | EFI_STATUS\r | |
2108 | ReadAndMeasureVariable (\r | |
c411b485 MK |
2109 | IN TPM_PCRINDEX PCRIndex,\r |
2110 | IN TCG_EVENTTYPE EventType,\r | |
2111 | IN CHAR16 *VarName,\r | |
2112 | IN EFI_GUID *VendorGuid,\r | |
2113 | OUT UINTN *VarSize,\r | |
2114 | OUT VOID **VarData\r | |
1abfa4ce JY |
2115 | )\r |
2116 | {\r | |
c411b485 | 2117 | EFI_STATUS Status;\r |
1abfa4ce JY |
2118 | \r |
2119 | Status = GetVariable2 (VarName, VendorGuid, VarData, VarSize);\r | |
2120 | if (EventType == EV_EFI_VARIABLE_DRIVER_CONFIG) {\r | |
2121 | if (EFI_ERROR (Status)) {\r | |
2122 | //\r | |
2123 | // It is valid case, so we need handle it.\r | |
2124 | //\r | |
2125 | *VarData = NULL;\r | |
2126 | *VarSize = 0;\r | |
2127 | }\r | |
2128 | } else {\r | |
2129 | //\r | |
2130 | // if status error, VarData is freed and set NULL by GetVariable2\r | |
2131 | //\r | |
2132 | if (EFI_ERROR (Status)) {\r | |
2133 | return EFI_NOT_FOUND;\r | |
2134 | }\r | |
2135 | }\r | |
2136 | \r | |
2137 | Status = MeasureVariable (\r | |
2138 | PCRIndex,\r | |
2139 | EventType,\r | |
2140 | VarName,\r | |
2141 | VendorGuid,\r | |
2142 | *VarData,\r | |
2143 | *VarSize\r | |
2144 | );\r | |
2145 | return Status;\r | |
2146 | }\r | |
2147 | \r | |
2148 | /**\r | |
fe13f92b ZC |
2149 | Read then Measure and log an EFI boot variable, and extend the measurement result into PCR[1].\r |
2150 | according to TCG PC Client PFP spec 0021 Section 2.4.4.2\r | |
1abfa4ce JY |
2151 | \r |
2152 | @param[in] VarName A Null-terminated string that is the name of the vendor's variable.\r | |
2153 | @param[in] VendorGuid A unique identifier for the vendor.\r | |
b3548d32 LG |
2154 | @param[out] VarSize The size of the variable data.\r |
2155 | @param[out] VarData Pointer to the content of the variable.\r | |
2156 | \r | |
1abfa4ce JY |
2157 | @retval EFI_SUCCESS Operation completed successfully.\r |
2158 | @retval EFI_OUT_OF_RESOURCES Out of memory.\r | |
2159 | @retval EFI_DEVICE_ERROR The operation was unsuccessful.\r | |
2160 | \r | |
2161 | **/\r | |
2162 | EFI_STATUS\r | |
2163 | ReadAndMeasureBootVariable (\r | |
c411b485 MK |
2164 | IN CHAR16 *VarName,\r |
2165 | IN EFI_GUID *VendorGuid,\r | |
2166 | OUT UINTN *VarSize,\r | |
2167 | OUT VOID **VarData\r | |
1abfa4ce JY |
2168 | )\r |
2169 | {\r | |
2170 | return ReadAndMeasureVariable (\r | |
fe13f92b | 2171 | 1,\r |
1abfa4ce JY |
2172 | EV_EFI_VARIABLE_BOOT,\r |
2173 | VarName,\r | |
2174 | VendorGuid,\r | |
2175 | VarSize,\r | |
2176 | VarData\r | |
2177 | );\r | |
2178 | }\r | |
2179 | \r | |
2180 | /**\r | |
2181 | Read then Measure and log an EFI Secure variable, and extend the measurement result into PCR[7].\r | |
2182 | \r | |
2183 | @param[in] VarName A Null-terminated string that is the name of the vendor's variable.\r | |
2184 | @param[in] VendorGuid A unique identifier for the vendor.\r | |
b3548d32 LG |
2185 | @param[out] VarSize The size of the variable data.\r |
2186 | @param[out] VarData Pointer to the content of the variable.\r | |
2187 | \r | |
1abfa4ce JY |
2188 | @retval EFI_SUCCESS Operation completed successfully.\r |
2189 | @retval EFI_OUT_OF_RESOURCES Out of memory.\r | |
2190 | @retval EFI_DEVICE_ERROR The operation was unsuccessful.\r | |
2191 | \r | |
2192 | **/\r | |
2193 | EFI_STATUS\r | |
2194 | ReadAndMeasureSecureVariable (\r | |
c411b485 MK |
2195 | IN CHAR16 *VarName,\r |
2196 | IN EFI_GUID *VendorGuid,\r | |
2197 | OUT UINTN *VarSize,\r | |
2198 | OUT VOID **VarData\r | |
1abfa4ce JY |
2199 | )\r |
2200 | {\r | |
2201 | return ReadAndMeasureVariable (\r | |
2202 | 7,\r | |
2203 | EV_EFI_VARIABLE_DRIVER_CONFIG,\r | |
2204 | VarName,\r | |
2205 | VendorGuid,\r | |
2206 | VarSize,\r | |
2207 | VarData\r | |
2208 | );\r | |
2209 | }\r | |
2210 | \r | |
2211 | /**\r | |
2212 | Measure and log all EFI boot variables, and extend the measurement result into a specific PCR.\r | |
2213 | \r | |
2214 | The EFI boot variables are BootOrder and Boot#### variables.\r | |
2215 | \r | |
2216 | @retval EFI_SUCCESS Operation completed successfully.\r | |
2217 | @retval EFI_OUT_OF_RESOURCES Out of memory.\r | |
2218 | @retval EFI_DEVICE_ERROR The operation was unsuccessful.\r | |
2219 | \r | |
2220 | **/\r | |
2221 | EFI_STATUS\r | |
2222 | MeasureAllBootVariables (\r | |
2223 | VOID\r | |
2224 | )\r | |
2225 | {\r | |
c411b485 MK |
2226 | EFI_STATUS Status;\r |
2227 | UINT16 *BootOrder;\r | |
2228 | UINTN BootCount;\r | |
2229 | UINTN Index;\r | |
2230 | VOID *BootVarData;\r | |
2231 | UINTN Size;\r | |
1abfa4ce JY |
2232 | \r |
2233 | Status = ReadAndMeasureBootVariable (\r | |
2234 | mBootVarName,\r | |
2235 | &gEfiGlobalVariableGuid,\r | |
2236 | &BootCount,\r | |
c411b485 | 2237 | (VOID **)&BootOrder\r |
1abfa4ce | 2238 | );\r |
c411b485 | 2239 | if ((Status == EFI_NOT_FOUND) || (BootOrder == NULL)) {\r |
1abfa4ce JY |
2240 | return EFI_SUCCESS;\r |
2241 | }\r | |
2242 | \r | |
2243 | if (EFI_ERROR (Status)) {\r | |
2244 | //\r | |
2245 | // BootOrder can't be NULL if status is not EFI_NOT_FOUND\r | |
2246 | //\r | |
2247 | FreePool (BootOrder);\r | |
2248 | return Status;\r | |
2249 | }\r | |
2250 | \r | |
2251 | BootCount /= sizeof (*BootOrder);\r | |
2252 | for (Index = 0; Index < BootCount; Index++) {\r | |
2253 | UnicodeSPrint (mBootVarName, sizeof (mBootVarName), L"Boot%04x", BootOrder[Index]);\r | |
2254 | Status = ReadAndMeasureBootVariable (\r | |
2255 | mBootVarName,\r | |
2256 | &gEfiGlobalVariableGuid,\r | |
2257 | &Size,\r | |
2258 | &BootVarData\r | |
2259 | );\r | |
2260 | if (!EFI_ERROR (Status)) {\r | |
2261 | FreePool (BootVarData);\r | |
2262 | }\r | |
2263 | }\r | |
2264 | \r | |
2265 | FreePool (BootOrder);\r | |
2266 | return EFI_SUCCESS;\r | |
2267 | }\r | |
2268 | \r | |
2269 | /**\r | |
2270 | Measure and log all EFI Secure variables, and extend the measurement result into a specific PCR.\r | |
2271 | \r | |
2272 | The EFI boot variables are BootOrder and Boot#### variables.\r | |
2273 | \r | |
2274 | @retval EFI_SUCCESS Operation completed successfully.\r | |
2275 | @retval EFI_OUT_OF_RESOURCES Out of memory.\r | |
2276 | @retval EFI_DEVICE_ERROR The operation was unsuccessful.\r | |
2277 | \r | |
2278 | **/\r | |
2279 | EFI_STATUS\r | |
2280 | MeasureAllSecureVariables (\r | |
2281 | VOID\r | |
2282 | )\r | |
2283 | {\r | |
c411b485 MK |
2284 | EFI_STATUS Status;\r |
2285 | VOID *Data;\r | |
2286 | UINTN DataSize;\r | |
2287 | UINTN Index;\r | |
1abfa4ce JY |
2288 | \r |
2289 | Status = EFI_NOT_FOUND;\r | |
c411b485 | 2290 | for (Index = 0; Index < sizeof (mVariableType)/sizeof (mVariableType[0]); Index++) {\r |
1abfa4ce JY |
2291 | Status = ReadAndMeasureSecureVariable (\r |
2292 | mVariableType[Index].VariableName,\r | |
2293 | mVariableType[Index].VendorGuid,\r | |
2294 | &DataSize,\r | |
2295 | &Data\r | |
2296 | );\r | |
2297 | if (!EFI_ERROR (Status)) {\r | |
2298 | if (Data != NULL) {\r | |
2299 | FreePool (Data);\r | |
2300 | }\r | |
2301 | }\r | |
2302 | }\r | |
2303 | \r | |
400b0940 ZC |
2304 | //\r |
2305 | // Measure DBT if present and not empty\r | |
2306 | //\r | |
2307 | Status = GetVariable2 (EFI_IMAGE_SECURITY_DATABASE2, &gEfiImageSecurityDatabaseGuid, &Data, &DataSize);\r | |
c411b485 | 2308 | if (!EFI_ERROR (Status)) {\r |
400b0940 ZC |
2309 | Status = MeasureVariable (\r |
2310 | 7,\r | |
2311 | EV_EFI_VARIABLE_DRIVER_CONFIG,\r | |
2312 | EFI_IMAGE_SECURITY_DATABASE2,\r | |
2313 | &gEfiImageSecurityDatabaseGuid,\r | |
2314 | Data,\r | |
2315 | DataSize\r | |
2316 | );\r | |
c411b485 | 2317 | FreePool (Data);\r |
400b0940 | 2318 | } else {\r |
c411b485 | 2319 | DEBUG ((DEBUG_INFO, "Skip measuring variable %s since it's deleted\n", EFI_IMAGE_SECURITY_DATABASE2));\r |
400b0940 ZC |
2320 | }\r |
2321 | \r | |
1abfa4ce JY |
2322 | return EFI_SUCCESS;\r |
2323 | }\r | |
2324 | \r | |
2325 | /**\r | |
2326 | Measure and log launch of FirmwareDebugger, and extend the measurement result into a specific PCR.\r | |
2327 | \r | |
2328 | @retval EFI_SUCCESS Operation completed successfully.\r | |
2329 | @retval EFI_OUT_OF_RESOURCES Out of memory.\r | |
2330 | @retval EFI_DEVICE_ERROR The operation was unsuccessful.\r | |
2331 | \r | |
2332 | **/\r | |
2333 | EFI_STATUS\r | |
2334 | MeasureLaunchOfFirmwareDebugger (\r | |
2335 | VOID\r | |
2336 | )\r | |
2337 | {\r | |
c411b485 | 2338 | TCG_PCR_EVENT_HDR TcgEvent;\r |
1abfa4ce JY |
2339 | \r |
2340 | TcgEvent.PCRIndex = 7;\r | |
2341 | TcgEvent.EventType = EV_EFI_ACTION;\r | |
c411b485 | 2342 | TcgEvent.EventSize = sizeof (FIRMWARE_DEBUGGER_EVENT_STRING) - 1;\r |
1abfa4ce JY |
2343 | return TcgDxeHashLogExtendEvent (\r |
2344 | 0,\r | |
2345 | (UINT8 *)FIRMWARE_DEBUGGER_EVENT_STRING,\r | |
c411b485 | 2346 | sizeof (FIRMWARE_DEBUGGER_EVENT_STRING) - 1,\r |
1abfa4ce JY |
2347 | &TcgEvent,\r |
2348 | (UINT8 *)FIRMWARE_DEBUGGER_EVENT_STRING\r | |
2349 | );\r | |
2350 | }\r | |
2351 | \r | |
2352 | /**\r | |
2353 | Measure and log all Secure Boot Policy, and extend the measurement result into a specific PCR.\r | |
2354 | \r | |
2355 | Platform firmware adhering to the policy must therefore measure the following values into PCR[7]: (in order listed)\r | |
2356 | - The contents of the SecureBoot variable\r | |
2357 | - The contents of the PK variable\r | |
2358 | - The contents of the KEK variable\r | |
2359 | - The contents of the EFI_IMAGE_SECURITY_DATABASE variable\r | |
2360 | - The contents of the EFI_IMAGE_SECURITY_DATABASE1 variable\r | |
2361 | - Separator\r | |
2362 | - Entries in the EFI_IMAGE_SECURITY_DATABASE that are used to validate EFI Drivers or EFI Boot Applications in the boot path\r | |
2363 | \r | |
2364 | NOTE: Because of the above, UEFI variables PK, KEK, EFI_IMAGE_SECURITY_DATABASE,\r | |
2365 | EFI_IMAGE_SECURITY_DATABASE1 and SecureBoot SHALL NOT be measured into PCR[3].\r | |
2366 | \r | |
2367 | @param[in] Event Event whose notification function is being invoked\r | |
2368 | @param[in] Context Pointer to the notification function's context\r | |
2369 | **/\r | |
2370 | VOID\r | |
2371 | EFIAPI\r | |
2372 | MeasureSecureBootPolicy (\r | |
c411b485 MK |
2373 | IN EFI_EVENT Event,\r |
2374 | IN VOID *Context\r | |
1abfa4ce JY |
2375 | )\r |
2376 | {\r | |
2377 | EFI_STATUS Status;\r | |
2378 | VOID *Protocol;\r | |
2379 | \r | |
2380 | Status = gBS->LocateProtocol (&gEfiVariableWriteArchProtocolGuid, NULL, (VOID **)&Protocol);\r | |
2381 | if (EFI_ERROR (Status)) {\r | |
2382 | return;\r | |
2383 | }\r | |
2384 | \r | |
2385 | if (PcdGetBool (PcdFirmwareDebuggerInitialized)) {\r | |
2386 | Status = MeasureLaunchOfFirmwareDebugger ();\r | |
e905fbb0 | 2387 | DEBUG ((DEBUG_INFO, "MeasureLaunchOfFirmwareDebugger - %r\n", Status));\r |
1abfa4ce JY |
2388 | }\r |
2389 | \r | |
2390 | Status = MeasureAllSecureVariables ();\r | |
e905fbb0 | 2391 | DEBUG ((DEBUG_INFO, "MeasureAllSecureVariables - %r\n", Status));\r |
1abfa4ce JY |
2392 | \r |
2393 | //\r | |
2394 | // We need measure Separator(7) here, because this event must be between SecureBootPolicy (Configure)\r | |
2395 | // and ImageVerification (Authority)\r | |
2396 | // There might be a case that we need measure UEFI image from DriverOrder, besides BootOrder. So\r | |
2397 | // the Authority measurement happen before ReadToBoot event.\r | |
2398 | //\r | |
2399 | Status = MeasureSeparatorEvent (7);\r | |
e905fbb0 | 2400 | DEBUG ((DEBUG_INFO, "MeasureSeparatorEvent - %r\n", Status));\r |
c411b485 | 2401 | return;\r |
1abfa4ce JY |
2402 | }\r |
2403 | \r | |
2404 | /**\r | |
2405 | Ready to Boot Event notification handler.\r | |
2406 | \r | |
2407 | Sequence of OS boot events is measured in this event notification handler.\r | |
2408 | \r | |
2409 | @param[in] Event Event whose notification function is being invoked\r | |
2410 | @param[in] Context Pointer to the notification function's context\r | |
2411 | \r | |
2412 | **/\r | |
2413 | VOID\r | |
2414 | EFIAPI\r | |
2415 | OnReadyToBoot (\r | |
c411b485 MK |
2416 | IN EFI_EVENT Event,\r |
2417 | IN VOID *Context\r | |
1abfa4ce JY |
2418 | )\r |
2419 | {\r | |
c411b485 MK |
2420 | EFI_STATUS Status;\r |
2421 | TPM_PCRINDEX PcrIndex;\r | |
1abfa4ce JY |
2422 | \r |
2423 | PERF_START_EX (mImageHandle, "EventRec", "Tcg2Dxe", 0, PERF_ID_TCG2_DXE);\r | |
2424 | if (mBootAttempts == 0) {\r | |
1abfa4ce JY |
2425 | //\r |
2426 | // Measure handoff tables.\r | |
2427 | //\r | |
2428 | Status = MeasureHandoffTables ();\r | |
2429 | if (EFI_ERROR (Status)) {\r | |
e905fbb0 | 2430 | DEBUG ((DEBUG_ERROR, "HOBs not Measured. Error!\n"));\r |
1abfa4ce JY |
2431 | }\r |
2432 | \r | |
2433 | //\r | |
2434 | // Measure BootOrder & Boot#### variables.\r | |
2435 | //\r | |
2436 | Status = MeasureAllBootVariables ();\r | |
2437 | if (EFI_ERROR (Status)) {\r | |
e905fbb0 | 2438 | DEBUG ((DEBUG_ERROR, "Boot Variables not Measured. Error!\n"));\r |
1abfa4ce JY |
2439 | }\r |
2440 | \r | |
2441 | //\r | |
2442 | // 1. This is the first boot attempt.\r | |
2443 | //\r | |
2444 | Status = TcgMeasureAction (\r | |
c1b0828b | 2445 | 4,\r |
1abfa4ce JY |
2446 | EFI_CALLING_EFI_APPLICATION\r |
2447 | );\r | |
2448 | if (EFI_ERROR (Status)) {\r | |
e905fbb0 | 2449 | DEBUG ((DEBUG_ERROR, "%a not Measured. Error!\n", EFI_CALLING_EFI_APPLICATION));\r |
1abfa4ce JY |
2450 | }\r |
2451 | \r | |
2452 | //\r | |
2453 | // 2. Draw a line between pre-boot env and entering post-boot env.\r | |
2454 | // PCR[7] is already done.\r | |
2455 | //\r | |
2456 | for (PcrIndex = 0; PcrIndex < 7; PcrIndex++) {\r | |
2457 | Status = MeasureSeparatorEvent (PcrIndex);\r | |
2458 | if (EFI_ERROR (Status)) {\r | |
0ab475c9 | 2459 | DEBUG ((DEBUG_ERROR, "Separator Event not Measured. Error!\n"));\r |
1abfa4ce JY |
2460 | }\r |
2461 | }\r | |
2462 | \r | |
2463 | //\r | |
2464 | // 3. Measure GPT. It would be done in SAP driver.\r | |
2465 | //\r | |
2466 | \r | |
2467 | //\r | |
2468 | // 4. Measure PE/COFF OS loader. It would be done in SAP driver.\r | |
2469 | //\r | |
2470 | \r | |
2471 | //\r | |
2472 | // 5. Read & Measure variable. BootOrder already measured.\r | |
2473 | //\r | |
2474 | } else {\r | |
2475 | //\r | |
2476 | // 6. Not first attempt, meaning a return from last attempt\r | |
2477 | //\r | |
2478 | Status = TcgMeasureAction (\r | |
c1b0828b | 2479 | 4,\r |
5f3b0250 | 2480 | EFI_RETURNING_FROM_EFI_APPLICATION\r |
1abfa4ce JY |
2481 | );\r |
2482 | if (EFI_ERROR (Status)) {\r | |
e905fbb0 | 2483 | DEBUG ((DEBUG_ERROR, "%a not Measured. Error!\n", EFI_RETURNING_FROM_EFI_APPLICATION));\r |
1abfa4ce | 2484 | }\r |
c1b0828b ZC |
2485 | \r |
2486 | //\r | |
2487 | // 7. Next boot attempt, measure "Calling EFI Application from Boot Option" again\r | |
2488 | // TCG PC Client PFP spec Section 2.4.4.5 Step 4\r | |
2489 | //\r | |
2490 | Status = TcgMeasureAction (\r | |
2491 | 4,\r | |
2492 | EFI_CALLING_EFI_APPLICATION\r | |
2493 | );\r | |
2494 | if (EFI_ERROR (Status)) {\r | |
e905fbb0 | 2495 | DEBUG ((DEBUG_ERROR, "%a not Measured. Error!\n", EFI_CALLING_EFI_APPLICATION));\r |
c1b0828b | 2496 | }\r |
1abfa4ce JY |
2497 | }\r |
2498 | \r | |
e905fbb0 | 2499 | DEBUG ((DEBUG_INFO, "TPM2 Tcg2Dxe Measure Data when ReadyToBoot\n"));\r |
1abfa4ce JY |
2500 | //\r |
2501 | // Increase boot attempt counter.\r | |
2502 | //\r | |
2503 | mBootAttempts++;\r | |
2504 | PERF_END_EX (mImageHandle, "EventRec", "Tcg2Dxe", 0, PERF_ID_TCG2_DXE + 1);\r | |
2505 | }\r | |
2506 | \r | |
2507 | /**\r | |
2508 | Exit Boot Services Event notification handler.\r | |
2509 | \r | |
2510 | Measure invocation and success of ExitBootServices.\r | |
2511 | \r | |
2512 | @param[in] Event Event whose notification function is being invoked\r | |
2513 | @param[in] Context Pointer to the notification function's context\r | |
2514 | \r | |
2515 | **/\r | |
2516 | VOID\r | |
2517 | EFIAPI\r | |
2518 | OnExitBootServices (\r | |
c411b485 MK |
2519 | IN EFI_EVENT Event,\r |
2520 | IN VOID *Context\r | |
1abfa4ce JY |
2521 | )\r |
2522 | {\r | |
c411b485 | 2523 | EFI_STATUS Status;\r |
1abfa4ce JY |
2524 | \r |
2525 | //\r | |
2526 | // Measure invocation of ExitBootServices,\r | |
2527 | //\r | |
2528 | Status = TcgMeasureAction (\r | |
c1b0828b | 2529 | 5,\r |
1abfa4ce JY |
2530 | EFI_EXIT_BOOT_SERVICES_INVOCATION\r |
2531 | );\r | |
2532 | if (EFI_ERROR (Status)) {\r | |
e905fbb0 | 2533 | DEBUG ((DEBUG_ERROR, "%a not Measured. Error!\n", EFI_EXIT_BOOT_SERVICES_INVOCATION));\r |
1abfa4ce JY |
2534 | }\r |
2535 | \r | |
2536 | //\r | |
2537 | // Measure success of ExitBootServices\r | |
2538 | //\r | |
2539 | Status = TcgMeasureAction (\r | |
c1b0828b | 2540 | 5,\r |
1abfa4ce JY |
2541 | EFI_EXIT_BOOT_SERVICES_SUCCEEDED\r |
2542 | );\r | |
2543 | if (EFI_ERROR (Status)) {\r | |
e905fbb0 | 2544 | DEBUG ((DEBUG_ERROR, "%a not Measured. Error!\n", EFI_EXIT_BOOT_SERVICES_SUCCEEDED));\r |
1abfa4ce JY |
2545 | }\r |
2546 | }\r | |
2547 | \r | |
2548 | /**\r | |
2549 | Exit Boot Services Failed Event notification handler.\r | |
2550 | \r | |
2551 | Measure Failure of ExitBootServices.\r | |
2552 | \r | |
2553 | @param[in] Event Event whose notification function is being invoked\r | |
2554 | @param[in] Context Pointer to the notification function's context\r | |
2555 | \r | |
2556 | **/\r | |
2557 | VOID\r | |
2558 | EFIAPI\r | |
2559 | OnExitBootServicesFailed (\r | |
c411b485 MK |
2560 | IN EFI_EVENT Event,\r |
2561 | IN VOID *Context\r | |
1abfa4ce JY |
2562 | )\r |
2563 | {\r | |
c411b485 | 2564 | EFI_STATUS Status;\r |
1abfa4ce JY |
2565 | \r |
2566 | //\r | |
2567 | // Measure Failure of ExitBootServices,\r | |
2568 | //\r | |
2569 | Status = TcgMeasureAction (\r | |
c1b0828b | 2570 | 5,\r |
1abfa4ce JY |
2571 | EFI_EXIT_BOOT_SERVICES_FAILED\r |
2572 | );\r | |
2573 | if (EFI_ERROR (Status)) {\r | |
e905fbb0 | 2574 | DEBUG ((DEBUG_ERROR, "%a not Measured. Error!\n", EFI_EXIT_BOOT_SERVICES_FAILED));\r |
1abfa4ce | 2575 | }\r |
1abfa4ce JY |
2576 | }\r |
2577 | \r | |
9d5dfe9d RN |
2578 | /**\r |
2579 | This routine is called to properly shutdown the TPM before system reset.\r | |
2580 | It follow chapter "12.2.3 Startup State" in Trusted Platform Module Library\r | |
2581 | Part 1: Architecture, Revision 01.16.\r | |
2582 | \r | |
2583 | @param[in] ResetType The type of reset to perform.\r | |
2584 | @param[in] ResetStatus The status code for the reset.\r | |
2585 | @param[in] DataSize The size, in bytes, of ResetData.\r | |
2586 | @param[in] ResetData For a ResetType of EfiResetCold, EfiResetWarm, or\r | |
2587 | EfiResetShutdown the data buffer starts with a Null-terminated\r | |
2588 | string, optionally followed by additional binary data.\r | |
2589 | The string is a description that the caller may use to further\r | |
930fcd9f | 2590 | indicate the reason for the system reset.\r |
9d5dfe9d RN |
2591 | For a ResetType of EfiResetPlatformSpecific the data buffer\r |
2592 | also starts with a Null-terminated string that is followed\r | |
2593 | by an EFI_GUID that describes the specific type of reset to perform.\r | |
2594 | **/\r | |
2595 | VOID\r | |
2596 | EFIAPI\r | |
2597 | ShutdownTpmOnReset (\r | |
c411b485 MK |
2598 | IN EFI_RESET_TYPE ResetType,\r |
2599 | IN EFI_STATUS ResetStatus,\r | |
2600 | IN UINTN DataSize,\r | |
2601 | IN VOID *ResetData OPTIONAL\r | |
9d5dfe9d RN |
2602 | )\r |
2603 | {\r | |
c411b485 MK |
2604 | EFI_STATUS Status;\r |
2605 | \r | |
9d5dfe9d RN |
2606 | Status = Tpm2Shutdown (TPM_SU_CLEAR);\r |
2607 | DEBUG ((DEBUG_VERBOSE, "Tpm2Shutdown (SU_CLEAR) - %r\n", Status));\r | |
2608 | }\r | |
2609 | \r | |
2610 | /**\r | |
2611 | Hook the system reset to properly shutdown TPM.\r | |
2612 | It follow chapter "12.2.3 Startup State" in Trusted Platform Module Library\r | |
2613 | Part 1: Architecture, Revision 01.16.\r | |
2614 | \r | |
2615 | @param[in] Event Event whose notification function is being invoked\r | |
2616 | @param[in] Context Pointer to the notification function's context\r | |
2617 | **/\r | |
2618 | VOID\r | |
2619 | EFIAPI\r | |
2620 | OnResetNotificationInstall (\r | |
c411b485 MK |
2621 | IN EFI_EVENT Event,\r |
2622 | IN VOID *Context\r | |
9d5dfe9d RN |
2623 | )\r |
2624 | {\r | |
c411b485 MK |
2625 | EFI_STATUS Status;\r |
2626 | EFI_RESET_NOTIFICATION_PROTOCOL *ResetNotify;\r | |
9d5dfe9d | 2627 | \r |
c411b485 | 2628 | Status = gBS->LocateProtocol (&gEfiResetNotificationProtocolGuid, NULL, (VOID **)&ResetNotify);\r |
9d5dfe9d RN |
2629 | if (!EFI_ERROR (Status)) {\r |
2630 | Status = ResetNotify->RegisterResetNotify (ResetNotify, ShutdownTpmOnReset);\r | |
2631 | ASSERT_EFI_ERROR (Status);\r | |
2632 | DEBUG ((DEBUG_VERBOSE, "TCG2: Hook system reset to properly shutdown TPM.\n"));\r | |
2633 | \r | |
2634 | gBS->CloseEvent (Event);\r | |
2635 | }\r | |
2636 | }\r | |
2637 | \r | |
1abfa4ce JY |
2638 | /**\r |
2639 | The function install Tcg2 protocol.\r | |
b3548d32 | 2640 | \r |
1abfa4ce JY |
2641 | @retval EFI_SUCCESS Tcg2 protocol is installed.\r |
2642 | @retval other Some error occurs.\r | |
2643 | **/\r | |
2644 | EFI_STATUS\r | |
2645 | InstallTcg2 (\r | |
2646 | VOID\r | |
2647 | )\r | |
2648 | {\r | |
c411b485 MK |
2649 | EFI_STATUS Status;\r |
2650 | EFI_HANDLE Handle;\r | |
1abfa4ce JY |
2651 | \r |
2652 | Handle = NULL;\r | |
2653 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
2654 | &Handle,\r | |
2655 | &gEfiTcg2ProtocolGuid,\r | |
2656 | &mTcg2Protocol,\r | |
2657 | NULL\r | |
2658 | );\r | |
2659 | return Status;\r | |
2660 | }\r | |
2661 | \r | |
2662 | /**\r | |
2663 | The driver's entry point. It publishes EFI Tcg2 Protocol.\r | |
2664 | \r | |
b3548d32 | 2665 | @param[in] ImageHandle The firmware allocated handle for the EFI image.\r |
1abfa4ce | 2666 | @param[in] SystemTable A pointer to the EFI System Table.\r |
b3548d32 | 2667 | \r |
1abfa4ce JY |
2668 | @retval EFI_SUCCESS The entry point is executed successfully.\r |
2669 | @retval other Some error occurs when executing this entry point.\r | |
2670 | **/\r | |
2671 | EFI_STATUS\r | |
2672 | EFIAPI\r | |
2673 | DriverEntry (\r | |
c411b485 MK |
2674 | IN EFI_HANDLE ImageHandle,\r |
2675 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
1abfa4ce JY |
2676 | )\r |
2677 | {\r | |
c411b485 MK |
2678 | EFI_STATUS Status;\r |
2679 | EFI_EVENT Event;\r | |
2680 | VOID *Registration;\r | |
2681 | UINT32 MaxCommandSize;\r | |
2682 | UINT32 MaxResponseSize;\r | |
2683 | UINTN Index;\r | |
2684 | EFI_TCG2_EVENT_ALGORITHM_BITMAP TpmHashAlgorithmBitmap;\r | |
2685 | UINT32 ActivePCRBanks;\r | |
2686 | UINT32 NumberOfPCRBanks;\r | |
1abfa4ce JY |
2687 | \r |
2688 | mImageHandle = ImageHandle;\r | |
2689 | \r | |
c411b485 MK |
2690 | if (CompareGuid (PcdGetPtr (PcdTpmInstanceGuid), &gEfiTpmDeviceInstanceNoneGuid) ||\r |
2691 | CompareGuid (PcdGetPtr (PcdTpmInstanceGuid), &gEfiTpmDeviceInstanceTpm12Guid))\r | |
2692 | {\r | |
f0f1a3cb | 2693 | DEBUG ((DEBUG_INFO, "No TPM2 instance required!\n"));\r |
1abfa4ce JY |
2694 | return EFI_UNSUPPORTED;\r |
2695 | }\r | |
2696 | \r | |
2697 | if (GetFirstGuidHob (&gTpmErrorHobGuid) != NULL) {\r | |
e905fbb0 | 2698 | DEBUG ((DEBUG_ERROR, "TPM2 error!\n"));\r |
1abfa4ce JY |
2699 | return EFI_DEVICE_ERROR;\r |
2700 | }\r | |
b3548d32 | 2701 | \r |
1abfa4ce JY |
2702 | Status = Tpm2RequestUseTpm ();\r |
2703 | if (EFI_ERROR (Status)) {\r | |
e905fbb0 | 2704 | DEBUG ((DEBUG_ERROR, "TPM2 not detected!\n"));\r |
1abfa4ce JY |
2705 | return Status;\r |
2706 | }\r | |
b3548d32 | 2707 | \r |
1abfa4ce JY |
2708 | //\r |
2709 | // Fill information\r | |
2710 | //\r | |
c411b485 | 2711 | ASSERT (TCG_EVENT_LOG_AREA_COUNT_MAX == sizeof (mTcg2EventInfo)/sizeof (mTcg2EventInfo[0]));\r |
b3548d32 | 2712 | \r |
c411b485 MK |
2713 | mTcgDxeData.BsCap.Size = sizeof (EFI_TCG2_BOOT_SERVICE_CAPABILITY);\r |
2714 | mTcgDxeData.BsCap.ProtocolVersion.Major = 1;\r | |
2715 | mTcgDxeData.BsCap.ProtocolVersion.Minor = 1;\r | |
1abfa4ce JY |
2716 | mTcgDxeData.BsCap.StructureVersion.Major = 1;\r |
2717 | mTcgDxeData.BsCap.StructureVersion.Minor = 1;\r | |
2718 | \r | |
e905fbb0 MK |
2719 | DEBUG ((DEBUG_INFO, "Tcg2.ProtocolVersion - %02x.%02x\n", mTcgDxeData.BsCap.ProtocolVersion.Major, mTcgDxeData.BsCap.ProtocolVersion.Minor));\r |
2720 | DEBUG ((DEBUG_INFO, "Tcg2.StructureVersion - %02x.%02x\n", mTcgDxeData.BsCap.StructureVersion.Major, mTcgDxeData.BsCap.StructureVersion.Minor));\r | |
1abfa4ce JY |
2721 | \r |
2722 | Status = Tpm2GetCapabilityManufactureID (&mTcgDxeData.BsCap.ManufacturerID);\r | |
2723 | if (EFI_ERROR (Status)) {\r | |
e905fbb0 | 2724 | DEBUG ((DEBUG_ERROR, "Tpm2GetCapabilityManufactureID fail!\n"));\r |
1abfa4ce | 2725 | } else {\r |
e905fbb0 | 2726 | DEBUG ((DEBUG_INFO, "Tpm2GetCapabilityManufactureID - %08x\n", mTcgDxeData.BsCap.ManufacturerID));\r |
1abfa4ce JY |
2727 | }\r |
2728 | \r | |
f9f4fb23 | 2729 | DEBUG_CODE_BEGIN ();\r |
c411b485 MK |
2730 | UINT32 FirmwareVersion1;\r |
2731 | UINT32 FirmwareVersion2;\r | |
2732 | \r | |
2733 | Status = Tpm2GetCapabilityFirmwareVersion (&FirmwareVersion1, &FirmwareVersion2);\r | |
2734 | if (EFI_ERROR (Status)) {\r | |
2735 | DEBUG ((DEBUG_ERROR, "Tpm2GetCapabilityFirmwareVersion fail!\n"));\r | |
2736 | } else {\r | |
2737 | DEBUG ((DEBUG_INFO, "Tpm2GetCapabilityFirmwareVersion - %08x %08x\n", FirmwareVersion1, FirmwareVersion2));\r | |
2738 | }\r | |
1abfa4ce | 2739 | \r |
f9f4fb23 | 2740 | DEBUG_CODE_END ();\r |
1abfa4ce JY |
2741 | \r |
2742 | Status = Tpm2GetCapabilityMaxCommandResponseSize (&MaxCommandSize, &MaxResponseSize);\r | |
2743 | if (EFI_ERROR (Status)) {\r | |
e905fbb0 | 2744 | DEBUG ((DEBUG_ERROR, "Tpm2GetCapabilityMaxCommandResponseSize fail!\n"));\r |
1abfa4ce JY |
2745 | } else {\r |
2746 | mTcgDxeData.BsCap.MaxCommandSize = (UINT16)MaxCommandSize;\r | |
2747 | mTcgDxeData.BsCap.MaxResponseSize = (UINT16)MaxResponseSize;\r | |
e905fbb0 | 2748 | DEBUG ((DEBUG_INFO, "Tpm2GetCapabilityMaxCommandResponseSize - %08x, %08x\n", MaxCommandSize, MaxResponseSize));\r |
1abfa4ce JY |
2749 | }\r |
2750 | \r | |
2751 | //\r | |
2752 | // Get supported PCR and current Active PCRs\r | |
2753 | //\r | |
07cdba18 JY |
2754 | Status = Tpm2GetCapabilitySupportedAndActivePcrs (&TpmHashAlgorithmBitmap, &ActivePCRBanks);\r |
2755 | ASSERT_EFI_ERROR (Status);\r | |
2756 | \r | |
1abfa4ce | 2757 | mTcgDxeData.BsCap.HashAlgorithmBitmap = TpmHashAlgorithmBitmap & PcdGet32 (PcdTcg2HashAlgorithmBitmap);\r |
c411b485 | 2758 | mTcgDxeData.BsCap.ActivePcrBanks = ActivePCRBanks & PcdGet32 (PcdTcg2HashAlgorithmBitmap);\r |
1abfa4ce | 2759 | \r |
a3cad6f8 JY |
2760 | //\r |
2761 | // Need calculate NumberOfPCRBanks here, because HashAlgorithmBitmap might be removed by PCD.\r | |
2762 | //\r | |
2763 | NumberOfPCRBanks = 0;\r | |
2764 | for (Index = 0; Index < 32; Index++) {\r | |
2765 | if ((mTcgDxeData.BsCap.HashAlgorithmBitmap & (1u << Index)) != 0) {\r | |
2766 | NumberOfPCRBanks++;\r | |
2767 | }\r | |
2768 | }\r | |
2769 | \r | |
1abfa4ce JY |
2770 | if (PcdGet32 (PcdTcg2NumberOfPCRBanks) == 0) {\r |
2771 | mTcgDxeData.BsCap.NumberOfPCRBanks = NumberOfPCRBanks;\r | |
2772 | } else {\r | |
2773 | mTcgDxeData.BsCap.NumberOfPCRBanks = PcdGet32 (PcdTcg2NumberOfPCRBanks);\r | |
2774 | if (PcdGet32 (PcdTcg2NumberOfPCRBanks) > NumberOfPCRBanks) {\r | |
e905fbb0 | 2775 | DEBUG ((DEBUG_ERROR, "ERROR: PcdTcg2NumberOfPCRBanks(0x%x) > NumberOfPCRBanks(0x%x)\n", PcdGet32 (PcdTcg2NumberOfPCRBanks), NumberOfPCRBanks));\r |
1abfa4ce JY |
2776 | mTcgDxeData.BsCap.NumberOfPCRBanks = NumberOfPCRBanks;\r |
2777 | }\r | |
2778 | }\r | |
2779 | \r | |
2780 | mTcgDxeData.BsCap.SupportedEventLogs = EFI_TCG2_EVENT_LOG_FORMAT_TCG_1_2 | EFI_TCG2_EVENT_LOG_FORMAT_TCG_2;\r | |
87361c6a | 2781 | if ((mTcgDxeData.BsCap.ActivePcrBanks & EFI_TCG2_BOOT_HASH_ALG_SHA1) == 0) {\r |
1abfa4ce JY |
2782 | //\r |
2783 | // No need to expose TCG1.2 event log if SHA1 bank does not exist.\r | |
2784 | //\r | |
87361c6a | 2785 | mTcgDxeData.BsCap.SupportedEventLogs &= ~EFI_TCG2_EVENT_LOG_FORMAT_TCG_1_2;\r |
1abfa4ce JY |
2786 | }\r |
2787 | \r | |
e905fbb0 MK |
2788 | DEBUG ((DEBUG_INFO, "Tcg2.SupportedEventLogs - 0x%08x\n", mTcgDxeData.BsCap.SupportedEventLogs));\r |
2789 | DEBUG ((DEBUG_INFO, "Tcg2.HashAlgorithmBitmap - 0x%08x\n", mTcgDxeData.BsCap.HashAlgorithmBitmap));\r | |
2790 | DEBUG ((DEBUG_INFO, "Tcg2.NumberOfPCRBanks - 0x%08x\n", mTcgDxeData.BsCap.NumberOfPCRBanks));\r | |
2791 | DEBUG ((DEBUG_INFO, "Tcg2.ActivePcrBanks - 0x%08x\n", mTcgDxeData.BsCap.ActivePcrBanks));\r | |
1abfa4ce JY |
2792 | \r |
2793 | if (mTcgDxeData.BsCap.TPMPresentFlag) {\r | |
2794 | //\r | |
2795 | // Setup the log area and copy event log from hob list to it\r | |
2796 | //\r | |
2797 | Status = SetupEventLog ();\r | |
2798 | ASSERT_EFI_ERROR (Status);\r | |
2799 | \r | |
2800 | //\r | |
2801 | // Measure handoff tables, Boot#### variables etc.\r | |
2802 | //\r | |
2803 | Status = EfiCreateEventReadyToBootEx (\r | |
2804 | TPL_CALLBACK,\r | |
2805 | OnReadyToBoot,\r | |
2806 | NULL,\r | |
2807 | &Event\r | |
2808 | );\r | |
2809 | \r | |
2810 | Status = gBS->CreateEventEx (\r | |
2811 | EVT_NOTIFY_SIGNAL,\r | |
2812 | TPL_NOTIFY,\r | |
2813 | OnExitBootServices,\r | |
2814 | NULL,\r | |
2815 | &gEfiEventExitBootServicesGuid,\r | |
2816 | &Event\r | |
2817 | );\r | |
2818 | \r | |
2819 | //\r | |
b3548d32 | 2820 | // Measure Exit Boot Service failed\r |
1abfa4ce JY |
2821 | //\r |
2822 | Status = gBS->CreateEventEx (\r | |
2823 | EVT_NOTIFY_SIGNAL,\r | |
2824 | TPL_NOTIFY,\r | |
2825 | OnExitBootServicesFailed,\r | |
2826 | NULL,\r | |
2827 | &gEventExitBootServicesFailedGuid,\r | |
2828 | &Event\r | |
2829 | );\r | |
2830 | \r | |
2831 | //\r | |
2832 | // Create event callback, because we need access variable on SecureBootPolicyVariable\r | |
2833 | // We should use VariableWriteArch instead of VariableArch, because Variable driver\r | |
2834 | // may update SecureBoot value based on last setting.\r | |
2835 | //\r | |
2836 | EfiCreateProtocolNotifyEvent (&gEfiVariableWriteArchProtocolGuid, TPL_CALLBACK, MeasureSecureBootPolicy, NULL, &Registration);\r | |
9d5dfe9d RN |
2837 | \r |
2838 | //\r | |
2839 | // Hook the system reset to properly shutdown TPM.\r | |
2840 | //\r | |
2841 | EfiCreateProtocolNotifyEvent (&gEfiResetNotificationProtocolGuid, TPL_CALLBACK, OnResetNotificationInstall, NULL, &Registration);\r | |
1abfa4ce JY |
2842 | }\r |
2843 | \r | |
2844 | //\r | |
2845 | // Install Tcg2Protocol\r | |
2846 | //\r | |
2847 | Status = InstallTcg2 ();\r | |
e905fbb0 | 2848 | DEBUG ((DEBUG_INFO, "InstallTcg2 - %r\n", Status));\r |
1abfa4ce JY |
2849 | \r |
2850 | return Status;\r | |
2851 | }\r |