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c1d93242 JY |
1 | /** @file\r |
2 | This module implements TrEE Protocol.\r | |
3 | \r | |
655dabe3 | 4 | Copyright (c) 2013 - 2016, Intel Corporation. All rights reserved.<BR>\r |
c1d93242 JY |
5 | This program and the accompanying materials \r |
6 | are licensed and made available under the terms and conditions of the BSD License \r | |
7 | which accompanies this distribution. The full text of the license may be found at \r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
13 | **/\r | |
14 | \r | |
15 | #include <PiDxe.h>\r | |
16 | #include <IndustryStandard/Acpi.h>\r | |
17 | #include <IndustryStandard/PeImage.h>\r | |
c1d93242 JY |
18 | #include <IndustryStandard/TcpaAcpi.h>\r |
19 | \r | |
20 | #include <Guid/GlobalVariable.h>\r | |
c1d93242 JY |
21 | #include <Guid/HobList.h>\r |
22 | #include <Guid/TcgEventHob.h>\r | |
23 | #include <Guid/EventGroup.h>\r | |
24 | #include <Guid/EventExitBootServiceFailed.h>\r | |
25 | #include <Guid/ImageAuthentication.h>\r | |
26 | #include <Guid/TpmInstance.h>\r | |
27 | \r | |
28 | #include <Protocol/DevicePath.h>\r | |
29 | #include <Protocol/AcpiTable.h>\r | |
30 | #include <Protocol/MpService.h>\r | |
31 | #include <Protocol/VariableWrite.h>\r | |
32 | #include <Protocol/TrEEProtocol.h>\r | |
33 | \r | |
34 | #include <Library/DebugLib.h>\r | |
35 | #include <Library/BaseMemoryLib.h>\r | |
36 | #include <Library/UefiRuntimeServicesTableLib.h>\r | |
37 | #include <Library/UefiDriverEntryPoint.h>\r | |
38 | #include <Library/HobLib.h>\r | |
39 | #include <Library/UefiBootServicesTableLib.h>\r | |
40 | #include <Library/BaseLib.h>\r | |
41 | #include <Library/MemoryAllocationLib.h>\r | |
42 | #include <Library/PrintLib.h>\r | |
43 | #include <Library/Tpm2CommandLib.h>\r | |
44 | #include <Library/PcdLib.h>\r | |
45 | #include <Library/UefiLib.h>\r | |
46 | #include <Library/Tpm2DeviceLib.h>\r | |
47 | #include <Library/HashLib.h>\r | |
48 | #include <Library/PerformanceLib.h>\r | |
6f785cfc | 49 | #include <Library/ReportStatusCodeLib.h>\r |
c1d93242 JY |
50 | \r |
51 | #define PERF_ID_TREE_DXE 0x3120\r | |
52 | \r | |
53 | typedef struct {\r | |
54 | CHAR16 *VariableName;\r | |
55 | EFI_GUID *VendorGuid;\r | |
56 | } VARIABLE_TYPE;\r | |
57 | \r | |
c1d93242 JY |
58 | #define TREE_DEFAULT_MAX_COMMAND_SIZE 0x1000\r |
59 | #define TREE_DEFAULT_MAX_RESPONSE_SIZE 0x1000\r | |
60 | \r | |
61 | typedef struct {\r | |
62 | EFI_GUID *EventGuid;\r | |
63 | TREE_EVENT_LOG_FORMAT LogFormat;\r | |
c1d93242 JY |
64 | } TREE_EVENT_INFO_STRUCT;\r |
65 | \r | |
66 | TREE_EVENT_INFO_STRUCT mTreeEventInfo[] = {\r | |
6f785cfc | 67 | {&gTcgEventEntryHobGuid, TREE_EVENT_LOG_FORMAT_TCG_1_2},\r |
c1d93242 JY |
68 | };\r |
69 | \r | |
6f785cfc | 70 | #define TCG_EVENT_LOG_AREA_COUNT_MAX 2\r |
c1d93242 JY |
71 | \r |
72 | typedef struct {\r | |
73 | TREE_EVENT_LOG_FORMAT EventLogFormat;\r | |
74 | EFI_PHYSICAL_ADDRESS Lasa;\r | |
75 | UINT64 Laml;\r | |
76 | UINTN EventLogSize;\r | |
77 | UINT8 *LastEvent;\r | |
78 | BOOLEAN EventLogStarted;\r | |
79 | BOOLEAN EventLogTruncated;\r | |
80 | } TCG_EVENT_LOG_AREA_STRUCT;\r | |
81 | \r | |
82 | typedef struct _TCG_DXE_DATA {\r | |
83 | TREE_BOOT_SERVICE_CAPABILITY BsCap;\r | |
84 | EFI_TCG_CLIENT_ACPI_TABLE *TcgClientAcpiTable;\r | |
85 | EFI_TCG_SERVER_ACPI_TABLE *TcgServerAcpiTable;\r | |
86 | TCG_EVENT_LOG_AREA_STRUCT EventLogAreaStruct[TCG_EVENT_LOG_AREA_COUNT_MAX];\r | |
87 | } TCG_DXE_DATA;\r | |
88 | \r | |
89 | EFI_TCG_CLIENT_ACPI_TABLE mTcgClientAcpiTemplate = {\r | |
90 | {\r | |
91 | EFI_ACPI_3_0_TRUSTED_COMPUTING_PLATFORM_ALLIANCE_CAPABILITIES_TABLE_SIGNATURE,\r | |
92 | sizeof (mTcgClientAcpiTemplate),\r | |
93 | 0x02 //Revision\r | |
94 | //\r | |
95 | // Compiler initializes the remaining bytes to 0\r | |
96 | // These fields should be filled in in production\r | |
97 | //\r | |
98 | },\r | |
99 | 0, // 0 for PC Client Platform Class\r | |
100 | 0, // Log Area Max Length\r | |
101 | (EFI_PHYSICAL_ADDRESS) (SIZE_4GB - 1) // Log Area Start Address\r | |
102 | };\r | |
103 | \r | |
104 | //\r | |
105 | // The following EFI_TCG_SERVER_ACPI_TABLE default setting is just one example,\r | |
106 | // the TPM device connectes to LPC, and also defined the ACPI _UID as 0xFF,\r | |
107 | // this _UID can be changed and should match with the _UID setting of the TPM \r | |
108 | // ACPI device object \r | |
109 | //\r | |
110 | EFI_TCG_SERVER_ACPI_TABLE mTcgServerAcpiTemplate = {\r | |
111 | {\r | |
112 | EFI_ACPI_3_0_TRUSTED_COMPUTING_PLATFORM_ALLIANCE_CAPABILITIES_TABLE_SIGNATURE,\r | |
113 | sizeof (mTcgServerAcpiTemplate),\r | |
114 | 0x02 //Revision\r | |
115 | //\r | |
116 | // Compiler initializes the remaining bytes to 0\r | |
117 | // These fields should be filled in in production\r | |
118 | //\r | |
119 | },\r | |
120 | 1, // 1 for Server Platform Class\r | |
121 | 0, // Reserved\r | |
122 | 0, // Log Area Max Length\r | |
123 | (EFI_PHYSICAL_ADDRESS) (SIZE_4GB - 1), // Log Area Start Address\r | |
124 | 0x0100, // TCG Specification revision 1.0\r | |
125 | 2, // Device Flags\r | |
126 | 0, // Interrupt Flags\r | |
127 | 0, // GPE\r | |
128 | {0}, // Reserved 3 bytes\r | |
129 | 0, // Global System Interrupt\r | |
130 | {\r | |
131 | EFI_ACPI_3_0_SYSTEM_MEMORY,\r | |
132 | 0,\r | |
133 | 0,\r | |
134 | EFI_ACPI_3_0_BYTE,\r | |
135 | 0x0 // Base Address\r | |
136 | },\r | |
137 | 0, // Reserved\r | |
138 | {0}, // Configuration Address\r | |
139 | 0xFF, // ACPI _UID value of the device, can be changed for different platforms\r | |
140 | 0, // ACPI _UID value of the device, can be changed for different platforms\r | |
141 | 0, // ACPI _UID value of the device, can be changed for different platforms\r | |
142 | 0 // ACPI _UID value of the device, can be changed for different platforms\r | |
143 | };\r | |
144 | \r | |
145 | TCG_DXE_DATA mTcgDxeData = {\r | |
146 | {\r | |
147 | sizeof (TREE_BOOT_SERVICE_CAPABILITY_1_0), // Size\r | |
148 | { 1, 0 }, // StructureVersion\r | |
149 | { 1, 0 }, // ProtocolVersion\r | |
150 | TREE_BOOT_HASH_ALG_SHA1, // HashAlgorithmBitmap\r | |
151 | TREE_EVENT_LOG_FORMAT_TCG_1_2, // SupportedEventLogs\r | |
152 | TRUE, // TrEEPresentFlag\r | |
153 | TREE_DEFAULT_MAX_COMMAND_SIZE, // MaxCommandSize\r | |
154 | TREE_DEFAULT_MAX_RESPONSE_SIZE, // MaxResponseSize\r | |
155 | 0 // ManufacturerID\r | |
156 | },\r | |
157 | &mTcgClientAcpiTemplate,\r | |
158 | &mTcgServerAcpiTemplate,\r | |
159 | };\r | |
160 | \r | |
161 | UINTN mBootAttempts = 0;\r | |
162 | CHAR16 mBootVarName[] = L"BootOrder";\r | |
163 | \r | |
164 | VARIABLE_TYPE mVariableType[] = {\r | |
165 | {EFI_SECURE_BOOT_MODE_NAME, &gEfiGlobalVariableGuid},\r | |
166 | {EFI_PLATFORM_KEY_NAME, &gEfiGlobalVariableGuid},\r | |
167 | {EFI_KEY_EXCHANGE_KEY_NAME, &gEfiGlobalVariableGuid},\r | |
168 | {EFI_IMAGE_SECURITY_DATABASE, &gEfiImageSecurityDatabaseGuid},\r | |
169 | {EFI_IMAGE_SECURITY_DATABASE1, &gEfiImageSecurityDatabaseGuid},\r | |
170 | };\r | |
171 | \r | |
172 | EFI_HANDLE mImageHandle;\r | |
173 | \r | |
174 | /**\r | |
175 | Measure PE image into TPM log based on the authenticode image hashing in\r | |
176 | PE/COFF Specification 8.0 Appendix A.\r | |
177 | \r | |
178 | Caution: This function may receive untrusted input.\r | |
179 | PE/COFF image is external input, so this function will validate its data structure\r | |
180 | within this image buffer before use.\r | |
181 | \r | |
182 | @param[in] PCRIndex TPM PCR index\r | |
183 | @param[in] ImageAddress Start address of image buffer.\r | |
184 | @param[in] ImageSize Image size\r | |
185 | @param[out] DigestList Digeest list of this image.\r | |
186 | \r | |
187 | @retval EFI_SUCCESS Successfully measure image.\r | |
188 | @retval EFI_OUT_OF_RESOURCES No enough resource to measure image.\r | |
189 | @retval other error value\r | |
190 | **/\r | |
191 | EFI_STATUS\r | |
192 | MeasurePeImageAndExtend (\r | |
193 | IN UINT32 PCRIndex,\r | |
194 | IN EFI_PHYSICAL_ADDRESS ImageAddress,\r | |
195 | IN UINTN ImageSize,\r | |
196 | OUT TPML_DIGEST_VALUES *DigestList\r | |
197 | );\r | |
198 | \r | |
199 | /**\r | |
200 | \r | |
201 | This function dump raw data.\r | |
202 | \r | |
203 | @param Data raw data\r | |
204 | @param Size raw data size\r | |
205 | \r | |
206 | **/\r | |
207 | VOID\r | |
208 | InternalDumpData (\r | |
209 | IN UINT8 *Data,\r | |
210 | IN UINTN Size\r | |
211 | )\r | |
212 | {\r | |
213 | UINTN Index;\r | |
214 | for (Index = 0; Index < Size; Index++) {\r | |
215 | DEBUG ((EFI_D_INFO, "%02x", (UINTN)Data[Index]));\r | |
216 | }\r | |
217 | }\r | |
218 | \r | |
219 | /**\r | |
220 | \r | |
221 | This function dump raw data with colume format.\r | |
222 | \r | |
223 | @param Data raw data\r | |
224 | @param Size raw data size\r | |
225 | \r | |
226 | **/\r | |
227 | VOID\r | |
228 | InternalDumpHex (\r | |
229 | IN UINT8 *Data,\r | |
230 | IN UINTN Size\r | |
231 | )\r | |
232 | {\r | |
233 | UINTN Index;\r | |
234 | UINTN Count;\r | |
235 | UINTN Left;\r | |
236 | \r | |
237 | #define COLUME_SIZE (16 * 2)\r | |
238 | \r | |
239 | Count = Size / COLUME_SIZE;\r | |
240 | Left = Size % COLUME_SIZE;\r | |
241 | for (Index = 0; Index < Count; Index++) {\r | |
242 | DEBUG ((EFI_D_INFO, "%04x: ", Index * COLUME_SIZE));\r | |
243 | InternalDumpData (Data + Index * COLUME_SIZE, COLUME_SIZE);\r | |
244 | DEBUG ((EFI_D_INFO, "\n"));\r | |
245 | }\r | |
246 | \r | |
247 | if (Left != 0) {\r | |
248 | DEBUG ((EFI_D_INFO, "%04x: ", Index * COLUME_SIZE));\r | |
249 | InternalDumpData (Data + Index * COLUME_SIZE, Left);\r | |
250 | DEBUG ((EFI_D_INFO, "\n"));\r | |
251 | }\r | |
252 | }\r | |
253 | \r | |
254 | /**\r | |
255 | Get All processors EFI_CPU_LOCATION in system. LocationBuf is allocated inside the function\r | |
256 | Caller is responsible to free LocationBuf.\r | |
257 | \r | |
258 | @param[out] LocationBuf Returns Processor Location Buffer.\r | |
259 | @param[out] Num Returns processor number.\r | |
260 | \r | |
261 | @retval EFI_SUCCESS Operation completed successfully.\r | |
262 | @retval EFI_UNSUPPORTED MpService protocol not found.\r | |
263 | \r | |
264 | **/\r | |
265 | EFI_STATUS\r | |
266 | GetProcessorsCpuLocation (\r | |
267 | OUT EFI_CPU_PHYSICAL_LOCATION **LocationBuf,\r | |
268 | OUT UINTN *Num\r | |
269 | )\r | |
270 | {\r | |
271 | EFI_STATUS Status;\r | |
272 | EFI_MP_SERVICES_PROTOCOL *MpProtocol;\r | |
273 | UINTN ProcessorNum;\r | |
274 | UINTN EnabledProcessorNum;\r | |
275 | EFI_PROCESSOR_INFORMATION ProcessorInfo;\r | |
276 | EFI_CPU_PHYSICAL_LOCATION *ProcessorLocBuf;\r | |
277 | UINTN Index;\r | |
278 | \r | |
279 | Status = gBS->LocateProtocol (&gEfiMpServiceProtocolGuid, NULL, (VOID **) &MpProtocol);\r | |
280 | if (EFI_ERROR (Status)) {\r | |
281 | //\r | |
282 | // MP protocol is not installed\r | |
283 | //\r | |
284 | return EFI_UNSUPPORTED;\r | |
285 | }\r | |
286 | \r | |
287 | Status = MpProtocol->GetNumberOfProcessors(\r | |
288 | MpProtocol,\r | |
289 | &ProcessorNum,\r | |
290 | &EnabledProcessorNum\r | |
291 | );\r | |
292 | if (EFI_ERROR(Status)){\r | |
293 | return Status;\r | |
294 | }\r | |
295 | \r | |
296 | Status = gBS->AllocatePool(\r | |
297 | EfiBootServicesData,\r | |
298 | sizeof(EFI_CPU_PHYSICAL_LOCATION) * ProcessorNum,\r | |
299 | (VOID **) &ProcessorLocBuf\r | |
300 | );\r | |
301 | if (EFI_ERROR(Status)){\r | |
302 | return Status;\r | |
303 | }\r | |
304 | \r | |
305 | //\r | |
306 | // Get each processor Location info\r | |
307 | //\r | |
308 | for (Index = 0; Index < ProcessorNum; Index++) {\r | |
309 | Status = MpProtocol->GetProcessorInfo(\r | |
310 | MpProtocol,\r | |
311 | Index,\r | |
312 | &ProcessorInfo\r | |
313 | );\r | |
314 | if (EFI_ERROR(Status)){\r | |
315 | FreePool(ProcessorLocBuf);\r | |
316 | return Status;\r | |
317 | }\r | |
318 | \r | |
319 | //\r | |
320 | // Get all Processor Location info & measure\r | |
321 | //\r | |
322 | CopyMem(\r | |
323 | &ProcessorLocBuf[Index],\r | |
324 | &ProcessorInfo.Location,\r | |
325 | sizeof(EFI_CPU_PHYSICAL_LOCATION)\r | |
326 | );\r | |
327 | }\r | |
328 | \r | |
329 | *LocationBuf = ProcessorLocBuf;\r | |
330 | *Num = ProcessorNum;\r | |
331 | \r | |
332 | return Status;\r | |
333 | }\r | |
334 | \r | |
335 | /**\r | |
336 | The EFI_TREE_PROTOCOL GetCapability function call provides protocol\r | |
337 | capability information and state information about the TrEE.\r | |
338 | \r | |
339 | @param[in] This Indicates the calling context\r | |
340 | @param[in, out] ProtocolCapability The caller allocates memory for a TREE_BOOT_SERVICE_CAPABILITY\r | |
341 | structure and sets the size field to the size of the structure allocated.\r | |
342 | The callee fills in the fields with the EFI protocol capability information\r | |
343 | and the current TrEE state information up to the number of fields which\r | |
344 | fit within the size of the structure passed in.\r | |
345 | \r | |
346 | @retval EFI_SUCCESS Operation completed successfully.\r | |
347 | @retval EFI_DEVICE_ERROR The command was unsuccessful.\r | |
348 | The ProtocolCapability variable will not be populated. \r | |
349 | @retval EFI_INVALID_PARAMETER One or more of the parameters are incorrect.\r | |
350 | The ProtocolCapability variable will not be populated.\r | |
351 | @retval EFI_BUFFER_TOO_SMALL The ProtocolCapability variable is too small to hold the full response.\r | |
352 | It will be partially populated (required Size field will be set). \r | |
353 | **/\r | |
354 | EFI_STATUS\r | |
355 | EFIAPI\r | |
356 | TreeGetCapability (\r | |
357 | IN EFI_TREE_PROTOCOL *This,\r | |
358 | IN OUT TREE_BOOT_SERVICE_CAPABILITY *ProtocolCapability\r | |
359 | )\r | |
360 | {\r | |
33985e3b | 361 | DEBUG ((EFI_D_INFO, "TreeGetCapability ...\n"));\r |
c1d93242 JY |
362 | \r |
363 | if ((This == NULL) || (ProtocolCapability == NULL)) {\r | |
364 | return EFI_INVALID_PARAMETER;\r | |
365 | }\r | |
366 | \r | |
367 | if (ProtocolCapability->Size < mTcgDxeData.BsCap.Size) {\r | |
368 | ProtocolCapability->Size = mTcgDxeData.BsCap.Size;\r | |
369 | return EFI_BUFFER_TOO_SMALL;\r | |
370 | }\r | |
371 | \r | |
372 | CopyMem (ProtocolCapability, &mTcgDxeData.BsCap, mTcgDxeData.BsCap.Size);\r | |
33985e3b | 373 | DEBUG ((EFI_D_INFO, "TreeGetCapability - %r\n", EFI_SUCCESS));\r |
c1d93242 JY |
374 | return EFI_SUCCESS;\r |
375 | }\r | |
376 | \r | |
377 | /**\r | |
378 | This function dump event log.\r | |
379 | \r | |
380 | @param[in] EventLogFormat The type of the event log for which the information is requested.\r | |
381 | @param[in] EventLogLocation A pointer to the memory address of the event log.\r | |
382 | @param[in] EventLogLastEntry If the Event Log contains more than one entry, this is a pointer to the\r | |
383 | address of the start of the last entry in the event log in memory.\r | |
384 | **/\r | |
385 | VOID\r | |
386 | DumpEventLog (\r | |
387 | IN TREE_EVENT_LOG_FORMAT EventLogFormat,\r | |
388 | IN EFI_PHYSICAL_ADDRESS EventLogLocation,\r | |
389 | IN EFI_PHYSICAL_ADDRESS EventLogLastEntry\r | |
390 | )\r | |
391 | {\r | |
392 | TCG_PCR_EVENT_HDR *EventHdr;\r | |
393 | UINTN Index;\r | |
394 | \r | |
395 | DEBUG ((EFI_D_INFO, "EventLogFormat: (0x%x)\n", EventLogFormat));\r | |
396 | \r | |
397 | switch (EventLogFormat) {\r | |
398 | case TREE_EVENT_LOG_FORMAT_TCG_1_2:\r | |
399 | EventHdr = (TCG_PCR_EVENT_HDR *)(UINTN)EventLogLocation;\r | |
400 | while ((UINTN)EventHdr <= EventLogLastEntry) {\r | |
401 | DEBUG ((EFI_D_INFO, " Event:\n"));\r | |
402 | DEBUG ((EFI_D_INFO, " PCRIndex - %d\n", EventHdr->PCRIndex));\r | |
403 | DEBUG ((EFI_D_INFO, " EventType - 0x%08x\n", EventHdr->EventType));\r | |
404 | DEBUG ((EFI_D_INFO, " Digest - "));\r | |
405 | for (Index = 0; Index < sizeof(TCG_DIGEST); Index++) {\r | |
406 | DEBUG ((EFI_D_INFO, "%02x ", EventHdr->Digest.digest[Index]));\r | |
407 | }\r | |
408 | DEBUG ((EFI_D_INFO, "\n"));\r | |
409 | DEBUG ((EFI_D_INFO, " EventSize - 0x%08x\n", EventHdr->EventSize));\r | |
410 | InternalDumpHex ((UINT8 *)(EventHdr + 1), EventHdr->EventSize);\r | |
411 | EventHdr = (TCG_PCR_EVENT_HDR *)((UINTN)EventHdr + sizeof(TCG_PCR_EVENT_HDR) + EventHdr->EventSize);\r | |
412 | }\r | |
413 | break;\r | |
414 | }\r | |
415 | \r | |
416 | return ;\r | |
417 | }\r | |
418 | \r | |
419 | /**\r | |
420 | The EFI_TREE_PROTOCOL Get Event Log function call allows a caller to\r | |
421 | retrieve the address of a given event log and its last entry. \r | |
422 | \r | |
423 | @param[in] This Indicates the calling context\r | |
424 | @param[in] EventLogFormat The type of the event log for which the information is requested.\r | |
425 | @param[out] EventLogLocation A pointer to the memory address of the event log.\r | |
426 | @param[out] EventLogLastEntry If the Event Log contains more than one entry, this is a pointer to the\r | |
427 | address of the start of the last entry in the event log in memory.\r | |
428 | @param[out] EventLogTruncated If the Event Log is missing at least one entry because an event would\r | |
429 | have exceeded the area allocated for events, this value is set to TRUE.\r | |
430 | Otherwise, the value will be FALSE and the Event Log will be complete.\r | |
431 | \r | |
432 | @retval EFI_SUCCESS Operation completed successfully.\r | |
433 | @retval EFI_INVALID_PARAMETER One or more of the parameters are incorrect\r | |
434 | (e.g. asking for an event log whose format is not supported).\r | |
435 | **/\r | |
436 | EFI_STATUS\r | |
437 | EFIAPI\r | |
438 | TreeGetEventLog (\r | |
439 | IN EFI_TREE_PROTOCOL *This,\r | |
440 | IN TREE_EVENT_LOG_FORMAT EventLogFormat,\r | |
441 | OUT EFI_PHYSICAL_ADDRESS *EventLogLocation,\r | |
442 | OUT EFI_PHYSICAL_ADDRESS *EventLogLastEntry,\r | |
443 | OUT BOOLEAN *EventLogTruncated\r | |
444 | )\r | |
445 | {\r | |
446 | UINTN Index;\r | |
447 | \r | |
33985e3b | 448 | DEBUG ((EFI_D_INFO, "TreeGetEventLog ...\n"));\r |
c1d93242 JY |
449 | \r |
450 | if (This == NULL) {\r | |
451 | return EFI_INVALID_PARAMETER;\r | |
452 | }\r | |
453 | \r | |
454 | for (Index = 0; Index < sizeof(mTreeEventInfo)/sizeof(mTreeEventInfo[0]); Index++) {\r | |
455 | if (EventLogFormat == mTreeEventInfo[Index].LogFormat) {\r | |
456 | break;\r | |
457 | }\r | |
458 | }\r | |
459 | \r | |
460 | if (Index == sizeof(mTreeEventInfo)/sizeof(mTreeEventInfo[0])) {\r | |
461 | return EFI_INVALID_PARAMETER;\r | |
462 | }\r | |
463 | \r | |
464 | if (!mTcgDxeData.BsCap.TrEEPresentFlag) {\r | |
465 | if (EventLogLocation != NULL) {\r | |
466 | *EventLogLocation = 0;\r | |
467 | }\r | |
468 | if (EventLogLastEntry != NULL) {\r | |
469 | *EventLogLastEntry = 0;\r | |
470 | }\r | |
471 | if (EventLogTruncated != NULL) {\r | |
472 | *EventLogTruncated = FALSE;\r | |
473 | }\r | |
474 | return EFI_SUCCESS;\r | |
475 | }\r | |
476 | \r | |
477 | if (EventLogLocation != NULL) {\r | |
478 | *EventLogLocation = mTcgDxeData.EventLogAreaStruct[Index].Lasa;\r | |
33985e3b | 479 | DEBUG ((EFI_D_INFO, "TreeGetEventLog (EventLogLocation - %x)\n", *EventLogLocation));\r |
c1d93242 JY |
480 | }\r |
481 | \r | |
482 | if (EventLogLastEntry != NULL) {\r | |
483 | if (!mTcgDxeData.EventLogAreaStruct[Index].EventLogStarted) {\r | |
484 | *EventLogLastEntry = (EFI_PHYSICAL_ADDRESS)(UINTN)0;\r | |
485 | } else {\r | |
486 | *EventLogLastEntry = (EFI_PHYSICAL_ADDRESS)(UINTN)mTcgDxeData.EventLogAreaStruct[Index].LastEvent;\r | |
487 | }\r | |
33985e3b | 488 | DEBUG ((EFI_D_INFO, "TreeGetEventLog (EventLogLastEntry - %x)\n", *EventLogLastEntry));\r |
c1d93242 JY |
489 | }\r |
490 | \r | |
491 | if (EventLogTruncated != NULL) {\r | |
492 | *EventLogTruncated = mTcgDxeData.EventLogAreaStruct[Index].EventLogTruncated;\r | |
33985e3b | 493 | DEBUG ((EFI_D_INFO, "TreeGetEventLog (EventLogTruncated - %x)\n", *EventLogTruncated));\r |
c1d93242 JY |
494 | }\r |
495 | \r | |
33985e3b | 496 | DEBUG ((EFI_D_INFO, "TreeGetEventLog - %r\n", EFI_SUCCESS));\r |
c1d93242 JY |
497 | \r |
498 | // Dump Event Log for debug purpose\r | |
499 | if ((EventLogLocation != NULL) && (EventLogLastEntry != NULL)) {\r | |
500 | DumpEventLog (EventLogFormat, *EventLogLocation, *EventLogLastEntry);\r | |
501 | }\r | |
502 | \r | |
503 | return EFI_SUCCESS;\r | |
504 | }\r | |
505 | \r | |
506 | /**\r | |
507 | Add a new entry to the Event Log.\r | |
508 | \r | |
509 | @param[in, out] EventLogPtr Pointer to the Event Log data. \r | |
510 | @param[in, out] LogSize Size of the Event Log. \r | |
511 | @param[in] MaxSize Maximum size of the Event Log.\r | |
512 | @param[in] NewEventHdr Pointer to a TCG_PCR_EVENT_HDR/TCG_PCR_EVENT_EX data structure. \r | |
513 | @param[in] NewEventHdrSize New event header size.\r | |
514 | @param[in] NewEventData Pointer to the new event data. \r | |
515 | @param[in] NewEventSize New event data size.\r | |
516 | \r | |
517 | @retval EFI_SUCCESS The new event log entry was added.\r | |
518 | @retval EFI_OUT_OF_RESOURCES No enough memory to log the new event.\r | |
519 | \r | |
520 | **/\r | |
521 | EFI_STATUS\r | |
522 | TcgCommLogEvent (\r | |
523 | IN OUT UINT8 **EventLogPtr,\r | |
524 | IN OUT UINTN *LogSize,\r | |
525 | IN UINTN MaxSize,\r | |
526 | IN VOID *NewEventHdr,\r | |
527 | IN UINT32 NewEventHdrSize,\r | |
528 | IN UINT8 *NewEventData,\r | |
529 | IN UINT32 NewEventSize\r | |
530 | )\r | |
531 | {\r | |
532 | UINTN NewLogSize;\r | |
533 | \r | |
534 | if (NewEventSize > MAX_ADDRESS - NewEventHdrSize) {\r | |
535 | return EFI_OUT_OF_RESOURCES;\r | |
536 | }\r | |
537 | \r | |
538 | NewLogSize = NewEventHdrSize + NewEventSize;\r | |
539 | \r | |
540 | if (NewLogSize > MAX_ADDRESS - *LogSize) {\r | |
541 | return EFI_OUT_OF_RESOURCES;\r | |
542 | }\r | |
543 | \r | |
544 | if (NewLogSize + *LogSize > MaxSize) {\r | |
545 | DEBUG ((EFI_D_INFO, " MaxSize - 0x%x\n", MaxSize));\r | |
546 | DEBUG ((EFI_D_INFO, " NewLogSize - 0x%x\n", NewLogSize));\r | |
547 | DEBUG ((EFI_D_INFO, " LogSize - 0x%x\n", *LogSize));\r | |
548 | DEBUG ((EFI_D_INFO, "TcgCommLogEvent - %r\n", EFI_OUT_OF_RESOURCES));\r | |
549 | return EFI_OUT_OF_RESOURCES;\r | |
550 | }\r | |
551 | \r | |
552 | *EventLogPtr += *LogSize;\r | |
553 | *LogSize += NewLogSize;\r | |
554 | CopyMem (*EventLogPtr, NewEventHdr, NewEventHdrSize);\r | |
555 | CopyMem (\r | |
556 | *EventLogPtr + NewEventHdrSize,\r | |
557 | NewEventData,\r | |
558 | NewEventSize\r | |
559 | );\r | |
560 | return EFI_SUCCESS;\r | |
561 | }\r | |
562 | \r | |
563 | /**\r | |
564 | Add a new entry to the Event Log.\r | |
565 | \r | |
566 | @param[in] EventLogFormat The type of the event log for which the information is requested.\r | |
567 | @param[in] NewEventHdr Pointer to a TCG_PCR_EVENT_HDR/TCG_PCR_EVENT_EX data structure. \r | |
568 | @param[in] NewEventHdrSize New event header size.\r | |
569 | @param[in] NewEventData Pointer to the new event data. \r | |
570 | @param[in] NewEventSize New event data size.\r | |
571 | \r | |
572 | @retval EFI_SUCCESS The new event log entry was added.\r | |
573 | @retval EFI_OUT_OF_RESOURCES No enough memory to log the new event.\r | |
574 | \r | |
575 | **/\r | |
576 | EFI_STATUS\r | |
577 | TcgDxeLogEvent (\r | |
578 | IN TREE_EVENT_LOG_FORMAT EventLogFormat,\r | |
579 | IN VOID *NewEventHdr,\r | |
580 | IN UINT32 NewEventHdrSize,\r | |
581 | IN UINT8 *NewEventData,\r | |
582 | IN UINT32 NewEventSize\r | |
583 | )\r | |
584 | {\r | |
585 | EFI_STATUS Status;\r | |
586 | UINTN Index;\r | |
587 | \r | |
588 | for (Index = 0; Index < sizeof(mTreeEventInfo)/sizeof(mTreeEventInfo[0]); Index++) {\r | |
589 | if (EventLogFormat == mTreeEventInfo[Index].LogFormat) {\r | |
590 | break;\r | |
591 | }\r | |
592 | }\r | |
593 | \r | |
594 | if (Index == sizeof(mTreeEventInfo)/sizeof(mTreeEventInfo[0])) {\r | |
595 | return EFI_INVALID_PARAMETER;\r | |
596 | }\r | |
597 | \r | |
598 | if (mTcgDxeData.EventLogAreaStruct[Index].EventLogTruncated) {\r | |
599 | return EFI_VOLUME_FULL;\r | |
600 | }\r | |
601 | \r | |
602 | mTcgDxeData.EventLogAreaStruct[Index].LastEvent = (UINT8*)(UINTN)mTcgDxeData.EventLogAreaStruct[Index].Lasa;\r | |
603 | Status = TcgCommLogEvent (\r | |
604 | &mTcgDxeData.EventLogAreaStruct[Index].LastEvent,\r | |
605 | &mTcgDxeData.EventLogAreaStruct[Index].EventLogSize,\r | |
606 | (UINTN)mTcgDxeData.EventLogAreaStruct[Index].Laml,\r | |
607 | NewEventHdr,\r | |
608 | NewEventHdrSize,\r | |
609 | NewEventData,\r | |
610 | NewEventSize\r | |
611 | );\r | |
612 | \r | |
613 | if (Status == EFI_DEVICE_ERROR) {\r | |
614 | return EFI_DEVICE_ERROR;\r | |
615 | } else if (Status == EFI_OUT_OF_RESOURCES) {\r | |
616 | mTcgDxeData.EventLogAreaStruct[Index].EventLogTruncated = TRUE;\r | |
617 | return EFI_VOLUME_FULL;\r | |
618 | } else if (Status == EFI_SUCCESS) {\r | |
619 | mTcgDxeData.EventLogAreaStruct[Index].EventLogStarted = TRUE;\r | |
620 | }\r | |
621 | \r | |
622 | return Status;\r | |
623 | }\r | |
624 | \r | |
c1d93242 JY |
625 | /**\r |
626 | This function get digest from digest list.\r | |
627 | \r | |
628 | @param HashAlg digest algorithm\r | |
629 | @param DigestList digest list\r | |
630 | @param Digest digest\r | |
631 | \r | |
632 | @retval EFI_SUCCESS Sha1Digest is found and returned.\r | |
633 | @retval EFI_NOT_FOUND Sha1Digest is not found.\r | |
634 | **/\r | |
635 | EFI_STATUS\r | |
636 | Tpm2GetDigestFromDigestList (\r | |
637 | IN TPMI_ALG_HASH HashAlg,\r | |
638 | IN TPML_DIGEST_VALUES *DigestList,\r | |
639 | IN VOID *Digest\r | |
640 | )\r | |
641 | {\r | |
642 | UINTN Index;\r | |
643 | UINT16 DigestSize;\r | |
644 | \r | |
645 | DigestSize = GetHashSizeFromAlgo (HashAlg);\r | |
646 | for (Index = 0; Index < DigestList->count; Index++) {\r | |
647 | if (DigestList->digests[Index].hashAlg == HashAlg) {\r | |
648 | CopyMem (\r | |
649 | Digest,\r | |
650 | &DigestList->digests[Index].digest,\r | |
651 | DigestSize\r | |
652 | );\r | |
653 | return EFI_SUCCESS;\r | |
654 | }\r | |
655 | }\r | |
656 | \r | |
657 | return EFI_NOT_FOUND;\r | |
658 | }\r | |
659 | \r | |
660 | /**\r | |
661 | Add a new entry to the Event Log.\r | |
662 | \r | |
663 | @param[in] DigestList A list of digest.\r | |
664 | @param[in,out] NewEventHdr Pointer to a TCG_PCR_EVENT_HDR data structure.\r | |
665 | @param[in] NewEventData Pointer to the new event data.\r | |
666 | \r | |
667 | @retval EFI_SUCCESS The new event log entry was added.\r | |
668 | @retval EFI_OUT_OF_RESOURCES No enough memory to log the new event.\r | |
669 | **/\r | |
670 | EFI_STATUS\r | |
671 | TcgDxeLogHashEvent (\r | |
672 | IN TPML_DIGEST_VALUES *DigestList,\r | |
673 | IN OUT TCG_PCR_EVENT_HDR *NewEventHdr,\r | |
674 | IN UINT8 *NewEventData\r | |
675 | )\r | |
676 | {\r | |
677 | EFI_STATUS Status;\r | |
678 | EFI_TPL OldTpl;\r | |
679 | UINTN Index;\r | |
680 | EFI_STATUS RetStatus;\r | |
681 | \r | |
682 | RetStatus = EFI_SUCCESS;\r | |
683 | for (Index = 0; Index < sizeof(mTreeEventInfo)/sizeof(mTreeEventInfo[0]); Index++) {\r | |
684 | DEBUG ((EFI_D_INFO, " LogFormat - 0x%08x\n", mTreeEventInfo[Index].LogFormat));\r | |
685 | switch (mTreeEventInfo[Index].LogFormat) {\r | |
686 | case TREE_EVENT_LOG_FORMAT_TCG_1_2:\r | |
687 | Status = Tpm2GetDigestFromDigestList (TPM_ALG_SHA1, DigestList, &NewEventHdr->Digest);\r | |
688 | if (!EFI_ERROR (Status)) {\r | |
689 | //\r | |
690 | // Enter critical region\r | |
691 | //\r | |
692 | OldTpl = gBS->RaiseTPL (TPL_HIGH_LEVEL);\r | |
693 | Status = TcgDxeLogEvent (\r | |
694 | mTreeEventInfo[Index].LogFormat,\r | |
695 | NewEventHdr,\r | |
696 | sizeof(TCG_PCR_EVENT_HDR),\r | |
697 | NewEventData,\r | |
698 | NewEventHdr->EventSize\r | |
699 | );\r | |
700 | if (Status != EFI_SUCCESS) {\r | |
701 | RetStatus = Status;\r | |
702 | }\r | |
703 | gBS->RestoreTPL (OldTpl);\r | |
704 | //\r | |
705 | // Exit critical region\r | |
706 | //\r | |
707 | }\r | |
708 | break;\r | |
709 | }\r | |
710 | }\r | |
711 | \r | |
712 | return RetStatus;\r | |
713 | }\r | |
714 | \r | |
715 | /**\r | |
716 | Do a hash operation on a data buffer, extend a specific TPM PCR with the hash result,\r | |
717 | and add an entry to the Event Log.\r | |
718 | \r | |
719 | @param[in] Flags Bitmap providing additional information.\r | |
720 | @param[in] HashData Physical address of the start of the data buffer \r | |
721 | to be hashed, extended, and logged.\r | |
722 | @param[in] HashDataLen The length, in bytes, of the buffer referenced by HashData\r | |
723 | @param[in, out] NewEventHdr Pointer to a TCG_PCR_EVENT_HDR data structure. \r | |
724 | @param[in] NewEventData Pointer to the new event data. \r | |
725 | \r | |
726 | @retval EFI_SUCCESS Operation completed successfully.\r | |
727 | @retval EFI_OUT_OF_RESOURCES No enough memory to log the new event.\r | |
728 | @retval EFI_DEVICE_ERROR The command was unsuccessful.\r | |
729 | \r | |
730 | **/\r | |
731 | EFI_STATUS\r | |
732 | TcgDxeHashLogExtendEvent (\r | |
733 | IN UINT64 Flags,\r | |
734 | IN UINT8 *HashData,\r | |
735 | IN UINT64 HashDataLen,\r | |
736 | IN OUT TCG_PCR_EVENT_HDR *NewEventHdr,\r | |
737 | IN UINT8 *NewEventData\r | |
738 | )\r | |
739 | {\r | |
740 | EFI_STATUS Status;\r | |
741 | TPML_DIGEST_VALUES DigestList;\r | |
6f785cfc JY |
742 | \r |
743 | if (!mTcgDxeData.BsCap.TrEEPresentFlag) {\r | |
744 | return EFI_DEVICE_ERROR;\r | |
745 | }\r | |
c1d93242 JY |
746 | \r |
747 | Status = HashAndExtend (\r | |
748 | NewEventHdr->PCRIndex,\r | |
749 | HashData,\r | |
750 | (UINTN)HashDataLen,\r | |
751 | &DigestList\r | |
752 | );\r | |
753 | if (!EFI_ERROR (Status)) {\r | |
754 | if ((Flags & TREE_EXTEND_ONLY) == 0) {\r | |
755 | Status = TcgDxeLogHashEvent (&DigestList, NewEventHdr, NewEventData);\r | |
756 | }\r | |
757 | }\r | |
758 | \r | |
6f785cfc JY |
759 | if (Status == EFI_DEVICE_ERROR) {\r |
760 | DEBUG ((EFI_D_ERROR, "TcgDxeHashLogExtendEvent - %r. Disable TPM.\n", Status));\r | |
761 | mTcgDxeData.BsCap.TrEEPresentFlag = FALSE;\r | |
762 | REPORT_STATUS_CODE (\r | |
763 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
764 | (PcdGet32 (PcdStatusCodeSubClassTpmDevice) | EFI_P_EC_INTERFACE_ERROR)\r | |
765 | );\r | |
766 | }\r | |
767 | \r | |
c1d93242 JY |
768 | return Status;\r |
769 | }\r | |
770 | \r | |
771 | /**\r | |
772 | The EFI_TREE_PROTOCOL HashLogExtendEvent function call provides callers with\r | |
773 | an opportunity to extend and optionally log events without requiring\r | |
774 | knowledge of actual TPM commands. \r | |
775 | The extend operation will occur even if this function cannot create an event\r | |
776 | log entry (e.g. due to the event log being full). \r | |
777 | \r | |
778 | @param[in] This Indicates the calling context\r | |
779 | @param[in] Flags Bitmap providing additional information.\r | |
780 | @param[in] DataToHash Physical address of the start of the data buffer to be hashed. \r | |
781 | @param[in] DataToHashLen The length in bytes of the buffer referenced by DataToHash.\r | |
782 | @param[in] Event Pointer to data buffer containing information about the event.\r | |
783 | \r | |
784 | @retval EFI_SUCCESS Operation completed successfully.\r | |
785 | @retval EFI_DEVICE_ERROR The command was unsuccessful.\r | |
786 | @retval EFI_VOLUME_FULL The extend operation occurred, but the event could not be written to one or more event logs.\r | |
787 | @retval EFI_INVALID_PARAMETER One or more of the parameters are incorrect.\r | |
788 | @retval EFI_UNSUPPORTED The PE/COFF image type is not supported.\r | |
789 | **/\r | |
790 | EFI_STATUS\r | |
791 | EFIAPI\r | |
792 | TreeHashLogExtendEvent (\r | |
793 | IN EFI_TREE_PROTOCOL *This,\r | |
794 | IN UINT64 Flags,\r | |
795 | IN EFI_PHYSICAL_ADDRESS DataToHash,\r | |
796 | IN UINT64 DataToHashLen,\r | |
797 | IN TrEE_EVENT *Event\r | |
798 | )\r | |
799 | {\r | |
800 | EFI_STATUS Status;\r | |
801 | TCG_PCR_EVENT_HDR NewEventHdr;\r | |
802 | TPML_DIGEST_VALUES DigestList;\r | |
803 | \r | |
33985e3b | 804 | DEBUG ((EFI_D_INFO, "TreeHashLogExtendEvent ...\n"));\r |
c1d93242 JY |
805 | \r |
806 | if ((This == NULL) || (DataToHash == 0) || (Event == NULL)) {\r | |
807 | return EFI_INVALID_PARAMETER;\r | |
808 | }\r | |
809 | \r | |
810 | if (!mTcgDxeData.BsCap.TrEEPresentFlag) {\r | |
811 | return EFI_UNSUPPORTED;\r | |
812 | }\r | |
813 | \r | |
814 | if (Event->Size < Event->Header.HeaderSize + sizeof(UINT32)) {\r | |
815 | return EFI_INVALID_PARAMETER;\r | |
816 | }\r | |
817 | \r | |
818 | if (Event->Header.PCRIndex > MAX_PCR_INDEX) {\r | |
819 | return EFI_INVALID_PARAMETER;\r | |
820 | }\r | |
821 | \r | |
822 | NewEventHdr.PCRIndex = Event->Header.PCRIndex;\r | |
823 | NewEventHdr.EventType = Event->Header.EventType;\r | |
824 | NewEventHdr.EventSize = Event->Size - sizeof(UINT32) - Event->Header.HeaderSize;\r | |
825 | if ((Flags & PE_COFF_IMAGE) != 0) {\r | |
826 | Status = MeasurePeImageAndExtend (\r | |
827 | NewEventHdr.PCRIndex,\r | |
828 | DataToHash,\r | |
829 | (UINTN)DataToHashLen,\r | |
830 | &DigestList\r | |
831 | );\r | |
832 | if (!EFI_ERROR (Status)) {\r | |
833 | if ((Flags & TREE_EXTEND_ONLY) == 0) {\r | |
834 | Status = TcgDxeLogHashEvent (&DigestList, &NewEventHdr, Event->Event);\r | |
835 | }\r | |
836 | }\r | |
6f785cfc JY |
837 | if (Status == EFI_DEVICE_ERROR) {\r |
838 | DEBUG ((EFI_D_ERROR, "MeasurePeImageAndExtend - %r. Disable TPM.\n", Status));\r | |
839 | mTcgDxeData.BsCap.TrEEPresentFlag = FALSE;\r | |
840 | REPORT_STATUS_CODE (\r | |
841 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
842 | (PcdGet32 (PcdStatusCodeSubClassTpmDevice) | EFI_P_EC_INTERFACE_ERROR)\r | |
843 | );\r | |
844 | }\r | |
c1d93242 JY |
845 | } else {\r |
846 | Status = TcgDxeHashLogExtendEvent (\r | |
847 | Flags,\r | |
848 | (UINT8 *) (UINTN) DataToHash,\r | |
849 | DataToHashLen,\r | |
850 | &NewEventHdr,\r | |
851 | Event->Event\r | |
852 | );\r | |
853 | }\r | |
33985e3b | 854 | DEBUG ((EFI_D_INFO, "TreeHashLogExtendEvent - %r\n", Status));\r |
c1d93242 JY |
855 | return Status;\r |
856 | }\r | |
857 | \r | |
858 | /**\r | |
859 | This service enables the sending of commands to the TrEE.\r | |
860 | \r | |
861 | @param[in] This Indicates the calling context\r | |
862 | @param[in] InputParameterBlockSize Size of the TrEE input parameter block.\r | |
863 | @param[in] InputParameterBlock Pointer to the TrEE input parameter block.\r | |
864 | @param[in] OutputParameterBlockSize Size of the TrEE output parameter block.\r | |
865 | @param[in] OutputParameterBlock Pointer to the TrEE output parameter block.\r | |
866 | \r | |
867 | @retval EFI_SUCCESS The command byte stream was successfully sent to the device and a response was successfully received.\r | |
868 | @retval EFI_DEVICE_ERROR The command was not successfully sent to the device or a response was not successfully received from the device.\r | |
869 | @retval EFI_INVALID_PARAMETER One or more of the parameters are incorrect.\r | |
870 | @retval EFI_BUFFER_TOO_SMALL The output parameter block is too small. \r | |
871 | **/\r | |
872 | EFI_STATUS\r | |
873 | EFIAPI\r | |
874 | TreeSubmitCommand (\r | |
875 | IN EFI_TREE_PROTOCOL *This,\r | |
876 | IN UINT32 InputParameterBlockSize,\r | |
877 | IN UINT8 *InputParameterBlock,\r | |
878 | IN UINT32 OutputParameterBlockSize,\r | |
879 | IN UINT8 *OutputParameterBlock\r | |
880 | )\r | |
881 | {\r | |
882 | EFI_STATUS Status;\r | |
883 | \r | |
33985e3b | 884 | DEBUG ((EFI_D_INFO, "TreeSubmitCommand ...\n"));\r |
c1d93242 JY |
885 | \r |
886 | if ((This == NULL) ||\r | |
887 | (InputParameterBlockSize == 0) || (InputParameterBlock == NULL) ||\r | |
888 | (OutputParameterBlockSize == 0) || (OutputParameterBlock == NULL)) {\r | |
889 | return EFI_INVALID_PARAMETER;\r | |
890 | }\r | |
891 | \r | |
892 | if (!mTcgDxeData.BsCap.TrEEPresentFlag) {\r | |
893 | return EFI_UNSUPPORTED;\r | |
894 | }\r | |
895 | \r | |
896 | if (InputParameterBlockSize >= mTcgDxeData.BsCap.MaxCommandSize) {\r | |
897 | return EFI_INVALID_PARAMETER;\r | |
898 | }\r | |
899 | if (OutputParameterBlockSize >= mTcgDxeData.BsCap.MaxResponseSize) {\r | |
900 | return EFI_INVALID_PARAMETER;\r | |
901 | }\r | |
902 | \r | |
903 | Status = Tpm2SubmitCommand (\r | |
904 | InputParameterBlockSize,\r | |
905 | InputParameterBlock,\r | |
906 | &OutputParameterBlockSize,\r | |
907 | OutputParameterBlock\r | |
908 | );\r | |
33985e3b | 909 | DEBUG ((EFI_D_INFO, "TreeSubmitCommand - %r\n", Status));\r |
c1d93242 JY |
910 | return Status;\r |
911 | }\r | |
912 | \r | |
913 | \r | |
914 | EFI_TREE_PROTOCOL mTreeProtocol = {\r | |
915 | TreeGetCapability,\r | |
916 | TreeGetEventLog,\r | |
917 | TreeHashLogExtendEvent,\r | |
918 | TreeSubmitCommand\r | |
919 | };\r | |
920 | \r | |
921 | /**\r | |
922 | Initialize the Event Log and log events passed from the PEI phase.\r | |
923 | \r | |
924 | @retval EFI_SUCCESS Operation completed successfully.\r | |
925 | @retval EFI_OUT_OF_RESOURCES Out of memory.\r | |
926 | \r | |
927 | **/\r | |
928 | EFI_STATUS\r | |
929 | SetupEventLog (\r | |
930 | VOID\r | |
931 | )\r | |
932 | {\r | |
933 | EFI_STATUS Status;\r | |
934 | VOID *TcgEvent;\r | |
935 | EFI_PEI_HOB_POINTERS GuidHob;\r | |
936 | EFI_PHYSICAL_ADDRESS Lasa;\r | |
937 | UINTN Index;\r | |
938 | \r | |
939 | DEBUG ((EFI_D_INFO, "SetupEventLog\n"));\r | |
940 | \r | |
941 | //\r | |
942 | // 1. Create Log Area\r | |
943 | //\r | |
944 | for (Index = 0; Index < sizeof(mTreeEventInfo)/sizeof(mTreeEventInfo[0]); Index++) {\r | |
945 | mTcgDxeData.EventLogAreaStruct[Index].EventLogFormat = mTreeEventInfo[Index].LogFormat;\r | |
946 | Lasa = (EFI_PHYSICAL_ADDRESS) (SIZE_4GB - 1);\r | |
947 | Status = gBS->AllocatePages (\r | |
948 | AllocateMaxAddress,\r | |
949 | EfiACPIMemoryNVS,\r | |
91e914f5 | 950 | EFI_SIZE_TO_PAGES (PcdGet32 (PcdTcgLogAreaMinLen)),\r |
c1d93242 JY |
951 | &Lasa\r |
952 | );\r | |
953 | if (EFI_ERROR (Status)) {\r | |
954 | return Status;\r | |
955 | }\r | |
956 | mTcgDxeData.EventLogAreaStruct[Index].Lasa = Lasa;\r | |
91e914f5 | 957 | mTcgDxeData.EventLogAreaStruct[Index].Laml = PcdGet32 (PcdTcgLogAreaMinLen);\r |
c1d93242 JY |
958 | //\r |
959 | // To initialize them as 0xFF is recommended \r | |
960 | // because the OS can know the last entry for that.\r | |
961 | //\r | |
91e914f5 | 962 | SetMem ((VOID *)(UINTN)Lasa, PcdGet32 (PcdTcgLogAreaMinLen), 0xFF);\r |
c1d93242 JY |
963 | }\r |
964 | \r | |
965 | //\r | |
966 | // 2. Create ACPI table for TCG1.2 only\r | |
967 | //\r | |
968 | if (PcdGet8 (PcdTpmPlatformClass) == TCG_PLATFORM_TYPE_CLIENT) {\r | |
969 | mTcgClientAcpiTemplate.Lasa = mTcgDxeData.EventLogAreaStruct[0].Lasa;\r | |
91e914f5 | 970 | mTcgClientAcpiTemplate.Laml = PcdGet32 (PcdTcgLogAreaMinLen);\r |
c1d93242 JY |
971 | } else {\r |
972 | mTcgServerAcpiTemplate.Lasa = mTcgDxeData.EventLogAreaStruct[0].Lasa;\r | |
91e914f5 | 973 | mTcgServerAcpiTemplate.Laml = PcdGet32 (PcdTcgLogAreaMinLen);\r |
c1d93242 JY |
974 | }\r |
975 | \r | |
976 | //\r | |
977 | // 3. Sync data from PEI to DXE\r | |
978 | //\r | |
979 | Status = EFI_SUCCESS;\r | |
980 | for (Index = 0; Index < sizeof(mTreeEventInfo)/sizeof(mTreeEventInfo[0]); Index++) {\r | |
981 | GuidHob.Raw = GetHobList ();\r | |
982 | Status = EFI_SUCCESS;\r | |
983 | while (!EFI_ERROR (Status) && \r | |
984 | (GuidHob.Raw = GetNextGuidHob (mTreeEventInfo[Index].EventGuid, GuidHob.Raw)) != NULL) {\r | |
985 | TcgEvent = GET_GUID_HOB_DATA (GuidHob.Guid);\r | |
986 | GuidHob.Raw = GET_NEXT_HOB (GuidHob);\r | |
987 | switch (mTreeEventInfo[Index].LogFormat) {\r | |
988 | case TREE_EVENT_LOG_FORMAT_TCG_1_2:\r | |
989 | Status = TcgDxeLogEvent (\r | |
990 | mTreeEventInfo[Index].LogFormat,\r | |
991 | TcgEvent,\r | |
992 | sizeof(TCG_PCR_EVENT_HDR),\r | |
993 | ((TCG_PCR_EVENT*)TcgEvent)->Event,\r | |
994 | ((TCG_PCR_EVENT_HDR*)TcgEvent)->EventSize\r | |
995 | );\r | |
996 | break;\r | |
997 | }\r | |
998 | }\r | |
999 | }\r | |
1000 | \r | |
1001 | return Status;\r | |
1002 | }\r | |
1003 | \r | |
1004 | /**\r | |
1005 | Measure and log an action string, and extend the measurement result into PCR[5].\r | |
1006 | \r | |
1007 | @param[in] String A specific string that indicates an Action event. \r | |
1008 | \r | |
1009 | @retval EFI_SUCCESS Operation completed successfully.\r | |
1010 | @retval EFI_DEVICE_ERROR The operation was unsuccessful.\r | |
1011 | \r | |
1012 | **/\r | |
1013 | EFI_STATUS\r | |
1014 | TcgMeasureAction (\r | |
1015 | IN CHAR8 *String\r | |
1016 | )\r | |
1017 | {\r | |
1018 | TCG_PCR_EVENT_HDR TcgEvent;\r | |
1019 | \r | |
1020 | TcgEvent.PCRIndex = 5;\r | |
1021 | TcgEvent.EventType = EV_EFI_ACTION;\r | |
1022 | TcgEvent.EventSize = (UINT32)AsciiStrLen (String);\r | |
1023 | return TcgDxeHashLogExtendEvent (\r | |
1024 | 0,\r | |
1025 | (UINT8*)String,\r | |
1026 | TcgEvent.EventSize,\r | |
1027 | &TcgEvent,\r | |
1028 | (UINT8 *) String\r | |
1029 | );\r | |
1030 | }\r | |
1031 | \r | |
1032 | /**\r | |
1033 | Measure and log EFI handoff tables, and extend the measurement result into PCR[1].\r | |
1034 | \r | |
1035 | @retval EFI_SUCCESS Operation completed successfully.\r | |
1036 | @retval EFI_DEVICE_ERROR The operation was unsuccessful.\r | |
1037 | \r | |
1038 | **/\r | |
1039 | EFI_STATUS\r | |
1040 | MeasureHandoffTables (\r | |
1041 | VOID\r | |
1042 | )\r | |
1043 | {\r | |
1044 | EFI_STATUS Status;\r | |
c1d93242 JY |
1045 | TCG_PCR_EVENT_HDR TcgEvent;\r |
1046 | EFI_HANDOFF_TABLE_POINTERS HandoffTables;\r | |
1047 | UINTN ProcessorNum;\r | |
1048 | EFI_CPU_PHYSICAL_LOCATION *ProcessorLocBuf;\r | |
1049 | \r | |
d4193108 | 1050 | ProcessorLocBuf = NULL;\r |
d2de4483 | 1051 | Status = EFI_SUCCESS;\r |
c1d93242 JY |
1052 | \r |
1053 | if (PcdGet8 (PcdTpmPlatformClass) == TCG_PLATFORM_TYPE_SERVER) {\r | |
1054 | //\r | |
1055 | // Tcg Server spec. \r | |
1056 | // Measure each processor EFI_CPU_PHYSICAL_LOCATION with EV_TABLE_OF_DEVICES to PCR[1]\r | |
1057 | //\r | |
1058 | Status = GetProcessorsCpuLocation(&ProcessorLocBuf, &ProcessorNum);\r | |
1059 | \r | |
1060 | if (!EFI_ERROR(Status)){\r | |
1061 | TcgEvent.PCRIndex = 1;\r | |
1062 | TcgEvent.EventType = EV_TABLE_OF_DEVICES;\r | |
1063 | TcgEvent.EventSize = sizeof (HandoffTables);\r | |
1064 | \r | |
1065 | HandoffTables.NumberOfTables = 1;\r | |
1066 | HandoffTables.TableEntry[0].VendorGuid = gEfiMpServiceProtocolGuid;\r | |
1067 | HandoffTables.TableEntry[0].VendorTable = ProcessorLocBuf;\r | |
1068 | \r | |
1069 | Status = TcgDxeHashLogExtendEvent (\r | |
1070 | 0,\r | |
1071 | (UINT8*)(UINTN)ProcessorLocBuf,\r | |
1072 | sizeof(EFI_CPU_PHYSICAL_LOCATION) * ProcessorNum,\r | |
1073 | &TcgEvent,\r | |
1074 | (UINT8*)&HandoffTables\r | |
1075 | );\r | |
1076 | \r | |
1077 | FreePool(ProcessorLocBuf);\r | |
1078 | }\r | |
1079 | }\r | |
1080 | \r | |
1081 | return Status;\r | |
1082 | }\r | |
1083 | \r | |
1084 | /**\r | |
1085 | Measure and log Separator event, and extend the measurement result into a specific PCR.\r | |
1086 | \r | |
1087 | @param[in] PCRIndex PCR index. \r | |
1088 | \r | |
1089 | @retval EFI_SUCCESS Operation completed successfully.\r | |
1090 | @retval EFI_DEVICE_ERROR The operation was unsuccessful.\r | |
1091 | \r | |
1092 | **/\r | |
1093 | EFI_STATUS\r | |
1094 | MeasureSeparatorEvent (\r | |
1095 | IN TPM_PCRINDEX PCRIndex\r | |
1096 | )\r | |
1097 | {\r | |
1098 | TCG_PCR_EVENT_HDR TcgEvent;\r | |
1099 | UINT32 EventData;\r | |
1100 | \r | |
33985e3b | 1101 | DEBUG ((EFI_D_INFO, "MeasureSeparatorEvent Pcr - %x\n", PCRIndex));\r |
c1d93242 JY |
1102 | \r |
1103 | EventData = 0;\r | |
1104 | TcgEvent.PCRIndex = PCRIndex;\r | |
1105 | TcgEvent.EventType = EV_SEPARATOR;\r | |
1106 | TcgEvent.EventSize = (UINT32)sizeof (EventData);\r | |
1107 | return TcgDxeHashLogExtendEvent (\r | |
1108 | 0,\r | |
1109 | (UINT8 *)&EventData,\r | |
1110 | sizeof (EventData),\r | |
1111 | &TcgEvent,\r | |
1112 | (UINT8 *)&EventData\r | |
1113 | );\r | |
1114 | }\r | |
1115 | \r | |
1116 | /**\r | |
1117 | Measure and log an EFI variable, and extend the measurement result into a specific PCR.\r | |
1118 | \r | |
1119 | @param[in] PCRIndex PCR Index. \r | |
1120 | @param[in] EventType Event type. \r | |
1121 | @param[in] VarName A Null-terminated string that is the name of the vendor's variable.\r | |
1122 | @param[in] VendorGuid A unique identifier for the vendor.\r | |
1123 | @param[in] VarData The content of the variable data. \r | |
1124 | @param[in] VarSize The size of the variable data. \r | |
1125 | \r | |
1126 | @retval EFI_SUCCESS Operation completed successfully.\r | |
1127 | @retval EFI_OUT_OF_RESOURCES Out of memory.\r | |
1128 | @retval EFI_DEVICE_ERROR The operation was unsuccessful.\r | |
1129 | \r | |
1130 | **/\r | |
1131 | EFI_STATUS\r | |
1132 | MeasureVariable (\r | |
1133 | IN TPM_PCRINDEX PCRIndex,\r | |
1134 | IN TCG_EVENTTYPE EventType,\r | |
1135 | IN CHAR16 *VarName,\r | |
1136 | IN EFI_GUID *VendorGuid,\r | |
1137 | IN VOID *VarData,\r | |
1138 | IN UINTN VarSize\r | |
1139 | )\r | |
1140 | {\r | |
1141 | EFI_STATUS Status;\r | |
1142 | TCG_PCR_EVENT_HDR TcgEvent;\r | |
1143 | UINTN VarNameLength;\r | |
1144 | EFI_VARIABLE_DATA_TREE *VarLog;\r | |
1145 | \r | |
33985e3b CZ |
1146 | DEBUG ((EFI_D_INFO, "TrEEDxe: MeasureVariable (Pcr - %x, EventType - %x, ", (UINTN)PCRIndex, (UINTN)EventType));\r |
1147 | DEBUG ((EFI_D_INFO, "VariableName - %s, VendorGuid - %g)\n", VarName, VendorGuid));\r | |
c1d93242 JY |
1148 | \r |
1149 | VarNameLength = StrLen (VarName);\r | |
1150 | TcgEvent.PCRIndex = PCRIndex;\r | |
1151 | TcgEvent.EventType = EventType;\r | |
1152 | TcgEvent.EventSize = (UINT32)(sizeof (*VarLog) + VarNameLength * sizeof (*VarName) + VarSize\r | |
1153 | - sizeof (VarLog->UnicodeName) - sizeof (VarLog->VariableData));\r | |
1154 | \r | |
1155 | VarLog = (EFI_VARIABLE_DATA_TREE*)AllocatePool (TcgEvent.EventSize);\r | |
1156 | if (VarLog == NULL) {\r | |
1157 | return EFI_OUT_OF_RESOURCES;\r | |
1158 | }\r | |
1159 | \r | |
1160 | VarLog->VariableName = *VendorGuid;\r | |
1161 | VarLog->UnicodeNameLength = VarNameLength;\r | |
1162 | VarLog->VariableDataLength = VarSize;\r | |
1163 | CopyMem (\r | |
1164 | VarLog->UnicodeName,\r | |
1165 | VarName,\r | |
1166 | VarNameLength * sizeof (*VarName)\r | |
1167 | );\r | |
61959fa9 | 1168 | if (VarSize != 0 && VarData != NULL) {\r |
c1d93242 JY |
1169 | CopyMem (\r |
1170 | (CHAR16 *)VarLog->UnicodeName + VarNameLength,\r | |
1171 | VarData,\r | |
1172 | VarSize\r | |
1173 | );\r | |
1174 | }\r | |
1175 | \r | |
36811012 CZ |
1176 | Status = TcgDxeHashLogExtendEvent (\r |
1177 | 0,\r | |
1178 | (UINT8*)VarLog,\r | |
1179 | TcgEvent.EventSize,\r | |
1180 | &TcgEvent,\r | |
1181 | (UINT8*)VarLog\r | |
1182 | );\r | |
1183 | \r | |
c1d93242 JY |
1184 | FreePool (VarLog);\r |
1185 | return Status;\r | |
1186 | }\r | |
1187 | \r | |
1188 | /**\r | |
1189 | Read then Measure and log an EFI variable, and extend the measurement result into a specific PCR.\r | |
1190 | \r | |
1191 | @param[in] PCRIndex PCR Index. \r | |
1192 | @param[in] EventType Event type. \r | |
1193 | @param[in] VarName A Null-terminated string that is the name of the vendor's variable.\r | |
1194 | @param[in] VendorGuid A unique identifier for the vendor.\r | |
1195 | @param[out] VarSize The size of the variable data. \r | |
1196 | @param[out] VarData Pointer to the content of the variable. \r | |
1197 | \r | |
1198 | @retval EFI_SUCCESS Operation completed successfully.\r | |
1199 | @retval EFI_OUT_OF_RESOURCES Out of memory.\r | |
1200 | @retval EFI_DEVICE_ERROR The operation was unsuccessful.\r | |
1201 | \r | |
1202 | **/\r | |
1203 | EFI_STATUS\r | |
1204 | ReadAndMeasureVariable (\r | |
1205 | IN TPM_PCRINDEX PCRIndex,\r | |
1206 | IN TCG_EVENTTYPE EventType,\r | |
1207 | IN CHAR16 *VarName,\r | |
1208 | IN EFI_GUID *VendorGuid,\r | |
1209 | OUT UINTN *VarSize,\r | |
1210 | OUT VOID **VarData\r | |
1211 | )\r | |
1212 | {\r | |
1213 | EFI_STATUS Status;\r | |
1214 | \r | |
1215 | Status = GetVariable2 (VarName, VendorGuid, VarData, VarSize);\r | |
1216 | if (EventType == EV_EFI_VARIABLE_DRIVER_CONFIG) {\r | |
1217 | if (EFI_ERROR (Status)) {\r | |
1218 | //\r | |
1219 | // It is valid case, so we need handle it.\r | |
1220 | //\r | |
1221 | *VarData = NULL;\r | |
1222 | *VarSize = 0;\r | |
1223 | }\r | |
1224 | } else {\r | |
f7fe68db CZ |
1225 | //\r |
1226 | // if status error, VarData is freed and set NULL by GetVariable2\r | |
1227 | //\r | |
c1d93242 | 1228 | if (EFI_ERROR (Status)) {\r |
f7fe68db | 1229 | return EFI_NOT_FOUND;\r |
c1d93242 | 1230 | }\r |
c1d93242 JY |
1231 | }\r |
1232 | \r | |
1233 | Status = MeasureVariable (\r | |
1234 | PCRIndex,\r | |
1235 | EventType,\r | |
1236 | VarName,\r | |
1237 | VendorGuid,\r | |
1238 | *VarData,\r | |
1239 | *VarSize\r | |
1240 | );\r | |
1241 | return Status;\r | |
1242 | }\r | |
1243 | \r | |
1244 | /**\r | |
1245 | Read then Measure and log an EFI boot variable, and extend the measurement result into PCR[5].\r | |
1246 | \r | |
1247 | @param[in] VarName A Null-terminated string that is the name of the vendor's variable.\r | |
1248 | @param[in] VendorGuid A unique identifier for the vendor.\r | |
1249 | @param[out] VarSize The size of the variable data. \r | |
1250 | @param[out] VarData Pointer to the content of the variable. \r | |
1251 | \r | |
1252 | @retval EFI_SUCCESS Operation completed successfully.\r | |
1253 | @retval EFI_OUT_OF_RESOURCES Out of memory.\r | |
1254 | @retval EFI_DEVICE_ERROR The operation was unsuccessful.\r | |
1255 | \r | |
1256 | **/\r | |
1257 | EFI_STATUS\r | |
1258 | ReadAndMeasureBootVariable (\r | |
1259 | IN CHAR16 *VarName,\r | |
1260 | IN EFI_GUID *VendorGuid,\r | |
1261 | OUT UINTN *VarSize,\r | |
1262 | OUT VOID **VarData\r | |
1263 | )\r | |
1264 | {\r | |
1265 | return ReadAndMeasureVariable (\r | |
1266 | 5,\r | |
1267 | EV_EFI_VARIABLE_BOOT,\r | |
1268 | VarName,\r | |
1269 | VendorGuid,\r | |
1270 | VarSize,\r | |
1271 | VarData\r | |
1272 | );\r | |
1273 | }\r | |
1274 | \r | |
1275 | /**\r | |
1276 | Read then Measure and log an EFI Secure variable, and extend the measurement result into PCR[7].\r | |
1277 | \r | |
1278 | @param[in] VarName A Null-terminated string that is the name of the vendor's variable.\r | |
1279 | @param[in] VendorGuid A unique identifier for the vendor.\r | |
1280 | @param[out] VarSize The size of the variable data. \r | |
1281 | @param[out] VarData Pointer to the content of the variable. \r | |
1282 | \r | |
1283 | @retval EFI_SUCCESS Operation completed successfully.\r | |
1284 | @retval EFI_OUT_OF_RESOURCES Out of memory.\r | |
1285 | @retval EFI_DEVICE_ERROR The operation was unsuccessful.\r | |
1286 | \r | |
1287 | **/\r | |
1288 | EFI_STATUS\r | |
1289 | ReadAndMeasureSecureVariable (\r | |
1290 | IN CHAR16 *VarName,\r | |
1291 | IN EFI_GUID *VendorGuid,\r | |
1292 | OUT UINTN *VarSize,\r | |
1293 | OUT VOID **VarData\r | |
1294 | )\r | |
1295 | {\r | |
1296 | return ReadAndMeasureVariable (\r | |
1297 | 7,\r | |
1298 | EV_EFI_VARIABLE_DRIVER_CONFIG,\r | |
1299 | VarName,\r | |
1300 | VendorGuid,\r | |
1301 | VarSize,\r | |
1302 | VarData\r | |
1303 | );\r | |
1304 | }\r | |
1305 | \r | |
1306 | /**\r | |
1307 | Measure and log all EFI boot variables, and extend the measurement result into a specific PCR.\r | |
1308 | \r | |
1309 | The EFI boot variables are BootOrder and Boot#### variables.\r | |
1310 | \r | |
1311 | @retval EFI_SUCCESS Operation completed successfully.\r | |
1312 | @retval EFI_OUT_OF_RESOURCES Out of memory.\r | |
1313 | @retval EFI_DEVICE_ERROR The operation was unsuccessful.\r | |
1314 | \r | |
1315 | **/\r | |
1316 | EFI_STATUS\r | |
1317 | MeasureAllBootVariables (\r | |
1318 | VOID\r | |
1319 | )\r | |
1320 | {\r | |
1321 | EFI_STATUS Status;\r | |
1322 | UINT16 *BootOrder;\r | |
1323 | UINTN BootCount;\r | |
1324 | UINTN Index;\r | |
1325 | VOID *BootVarData;\r | |
1326 | UINTN Size;\r | |
1327 | \r | |
1328 | Status = ReadAndMeasureBootVariable (\r | |
1329 | mBootVarName,\r | |
1330 | &gEfiGlobalVariableGuid,\r | |
1331 | &BootCount,\r | |
1332 | (VOID **) &BootOrder\r | |
1333 | );\r | |
61959fa9 | 1334 | if (Status == EFI_NOT_FOUND || BootOrder == NULL) {\r |
c1d93242 JY |
1335 | return EFI_SUCCESS;\r |
1336 | }\r | |
c1d93242 JY |
1337 | \r |
1338 | if (EFI_ERROR (Status)) {\r | |
f7fe68db CZ |
1339 | //\r |
1340 | // BootOrder can't be NULL if status is not EFI_NOT_FOUND\r | |
1341 | //\r | |
c1d93242 JY |
1342 | FreePool (BootOrder);\r |
1343 | return Status;\r | |
1344 | }\r | |
1345 | \r | |
1346 | BootCount /= sizeof (*BootOrder);\r | |
1347 | for (Index = 0; Index < BootCount; Index++) {\r | |
1348 | UnicodeSPrint (mBootVarName, sizeof (mBootVarName), L"Boot%04x", BootOrder[Index]);\r | |
1349 | Status = ReadAndMeasureBootVariable (\r | |
1350 | mBootVarName,\r | |
1351 | &gEfiGlobalVariableGuid,\r | |
1352 | &Size,\r | |
1353 | &BootVarData\r | |
1354 | );\r | |
1355 | if (!EFI_ERROR (Status)) {\r | |
1356 | FreePool (BootVarData);\r | |
1357 | }\r | |
1358 | }\r | |
1359 | \r | |
1360 | FreePool (BootOrder);\r | |
1361 | return EFI_SUCCESS;\r | |
1362 | }\r | |
1363 | \r | |
1364 | /**\r | |
1365 | Measure and log all EFI Secure variables, and extend the measurement result into a specific PCR.\r | |
1366 | \r | |
1367 | The EFI boot variables are BootOrder and Boot#### variables.\r | |
1368 | \r | |
1369 | @retval EFI_SUCCESS Operation completed successfully.\r | |
1370 | @retval EFI_OUT_OF_RESOURCES Out of memory.\r | |
1371 | @retval EFI_DEVICE_ERROR The operation was unsuccessful.\r | |
1372 | \r | |
1373 | **/\r | |
1374 | EFI_STATUS\r | |
1375 | MeasureAllSecureVariables (\r | |
1376 | VOID\r | |
1377 | )\r | |
1378 | {\r | |
1379 | EFI_STATUS Status;\r | |
1380 | VOID *Data;\r | |
1381 | UINTN DataSize;\r | |
1382 | UINTN Index;\r | |
1383 | \r | |
1384 | Status = EFI_NOT_FOUND;\r | |
1385 | for (Index = 0; Index < sizeof(mVariableType)/sizeof(mVariableType[0]); Index++) {\r | |
1386 | Status = ReadAndMeasureSecureVariable (\r | |
1387 | mVariableType[Index].VariableName,\r | |
1388 | mVariableType[Index].VendorGuid,\r | |
1389 | &DataSize,\r | |
1390 | &Data\r | |
1391 | );\r | |
1392 | if (!EFI_ERROR (Status)) {\r | |
1393 | if (Data != NULL) {\r | |
1394 | FreePool (Data);\r | |
1395 | }\r | |
1396 | }\r | |
1397 | }\r | |
1398 | \r | |
1399 | return EFI_SUCCESS;\r | |
1400 | }\r | |
1401 | \r | |
1402 | /**\r | |
1403 | Measure and log launch of FirmwareDebugger, and extend the measurement result into a specific PCR.\r | |
1404 | \r | |
1405 | @retval EFI_SUCCESS Operation completed successfully.\r | |
1406 | @retval EFI_OUT_OF_RESOURCES Out of memory.\r | |
1407 | @retval EFI_DEVICE_ERROR The operation was unsuccessful.\r | |
1408 | \r | |
1409 | **/\r | |
1410 | EFI_STATUS\r | |
1411 | MeasureLaunchOfFirmwareDebugger (\r | |
1412 | VOID\r | |
1413 | )\r | |
1414 | {\r | |
1415 | TCG_PCR_EVENT_HDR TcgEvent;\r | |
1416 | \r | |
1417 | TcgEvent.PCRIndex = 7;\r | |
1418 | TcgEvent.EventType = EV_EFI_ACTION;\r | |
1419 | TcgEvent.EventSize = sizeof(FIRMWARE_DEBUGGER_EVENT_STRING) - 1;\r | |
1420 | return TcgDxeHashLogExtendEvent (\r | |
1421 | 0,\r | |
1422 | (UINT8 *)FIRMWARE_DEBUGGER_EVENT_STRING,\r | |
1423 | sizeof(FIRMWARE_DEBUGGER_EVENT_STRING) - 1,\r | |
1424 | &TcgEvent,\r | |
1425 | (UINT8 *)FIRMWARE_DEBUGGER_EVENT_STRING\r | |
1426 | );\r | |
1427 | }\r | |
1428 | \r | |
1429 | /**\r | |
1430 | Measure and log all Secure Boot Policy, and extend the measurement result into a specific PCR.\r | |
1431 | \r | |
1432 | Platform firmware adhering to the policy must therefore measure the following values into PCR[7]: (in order listed)\r | |
1433 | - The contents of the SecureBoot variable\r | |
1434 | - The contents of the PK variable\r | |
1435 | - The contents of the KEK variable\r | |
1436 | - The contents of the EFI_IMAGE_SECURITY_DATABASE variable\r | |
1437 | - The contents of the EFI_IMAGE_SECURITY_DATABASE1 variable\r | |
1438 | - Separator\r | |
1439 | - Entries in the EFI_IMAGE_SECURITY_DATABASE that are used to validate EFI Drivers or EFI Boot Applications in the boot path\r | |
1440 | \r | |
1441 | NOTE: Because of the above, UEFI variables PK, KEK, EFI_IMAGE_SECURITY_DATABASE,\r | |
1442 | EFI_IMAGE_SECURITY_DATABASE1 and SecureBoot SHALL NOT be measured into PCR[3].\r | |
1443 | \r | |
1444 | @param[in] Event Event whose notification function is being invoked\r | |
1445 | @param[in] Context Pointer to the notification function's context\r | |
1446 | **/\r | |
1447 | VOID\r | |
1448 | EFIAPI\r | |
1449 | MeasureSecureBootPolicy (\r | |
1450 | IN EFI_EVENT Event,\r | |
1451 | IN VOID *Context\r | |
1452 | )\r | |
1453 | {\r | |
1454 | EFI_STATUS Status;\r | |
1455 | VOID *Protocol;\r | |
1456 | \r | |
1457 | Status = gBS->LocateProtocol (&gEfiVariableWriteArchProtocolGuid, NULL, (VOID **)&Protocol);\r | |
1458 | if (EFI_ERROR (Status)) {\r | |
1459 | return;\r | |
1460 | }\r | |
1461 | \r | |
1462 | if (PcdGetBool (PcdFirmwareDebuggerInitialized)) {\r | |
1463 | Status = MeasureLaunchOfFirmwareDebugger ();\r | |
33985e3b | 1464 | DEBUG ((EFI_D_INFO, "MeasureLaunchOfFirmwareDebugger - %r\n", Status));\r |
c1d93242 JY |
1465 | }\r |
1466 | \r | |
1467 | Status = MeasureAllSecureVariables ();\r | |
33985e3b | 1468 | DEBUG ((EFI_D_INFO, "MeasureAllSecureVariables - %r\n", Status));\r |
c1d93242 JY |
1469 | \r |
1470 | //\r | |
1471 | // We need measure Separator(7) here, because this event must be between SecureBootPolicy (Configure)\r | |
1472 | // and ImageVerification (Authority)\r | |
1473 | // There might be a case that we need measure UEFI image from DriverOrder, besides BootOrder. So\r | |
1474 | // the Authority measurement happen before ReadToBoot event.\r | |
1475 | //\r | |
1476 | Status = MeasureSeparatorEvent (7);\r | |
33985e3b | 1477 | DEBUG ((EFI_D_INFO, "MeasureSeparatorEvent - %r\n", Status));\r |
c1d93242 JY |
1478 | return ;\r |
1479 | }\r | |
1480 | \r | |
1481 | /**\r | |
1482 | Ready to Boot Event notification handler.\r | |
1483 | \r | |
1484 | Sequence of OS boot events is measured in this event notification handler.\r | |
1485 | \r | |
1486 | @param[in] Event Event whose notification function is being invoked\r | |
1487 | @param[in] Context Pointer to the notification function's context\r | |
1488 | \r | |
1489 | **/\r | |
1490 | VOID\r | |
1491 | EFIAPI\r | |
1492 | OnReadyToBoot (\r | |
1493 | IN EFI_EVENT Event,\r | |
1494 | IN VOID *Context\r | |
1495 | )\r | |
1496 | {\r | |
1497 | EFI_STATUS Status;\r | |
1498 | TPM_PCRINDEX PcrIndex;\r | |
1499 | \r | |
1500 | PERF_START_EX (mImageHandle, "EventRec", "TrEEDxe", 0, PERF_ID_TREE_DXE);\r | |
1501 | if (mBootAttempts == 0) {\r | |
1502 | \r | |
1503 | //\r | |
1504 | // Measure handoff tables.\r | |
1505 | //\r | |
1506 | Status = MeasureHandoffTables ();\r | |
1507 | if (EFI_ERROR (Status)) {\r | |
1508 | DEBUG ((EFI_D_ERROR, "HOBs not Measured. Error!\n"));\r | |
1509 | }\r | |
1510 | \r | |
1511 | //\r | |
1512 | // Measure BootOrder & Boot#### variables.\r | |
1513 | //\r | |
1514 | Status = MeasureAllBootVariables ();\r | |
1515 | if (EFI_ERROR (Status)) {\r | |
1516 | DEBUG ((EFI_D_ERROR, "Boot Variables not Measured. Error!\n"));\r | |
1517 | }\r | |
1518 | \r | |
1519 | //\r | |
1520 | // 1. This is the first boot attempt.\r | |
1521 | //\r | |
1522 | Status = TcgMeasureAction (\r | |
1523 | EFI_CALLING_EFI_APPLICATION\r | |
1524 | );\r | |
6f785cfc | 1525 | if (EFI_ERROR (Status)) {\r |
655dabe3 | 1526 | DEBUG ((EFI_D_ERROR, "%a not Measured. Error!\n", EFI_CALLING_EFI_APPLICATION));\r |
6f785cfc | 1527 | }\r |
c1d93242 JY |
1528 | \r |
1529 | //\r | |
1530 | // 2. Draw a line between pre-boot env and entering post-boot env.\r | |
1531 | // PCR[7] is already done.\r | |
1532 | //\r | |
1533 | for (PcrIndex = 0; PcrIndex < 7; PcrIndex++) {\r | |
1534 | Status = MeasureSeparatorEvent (PcrIndex);\r | |
6f785cfc JY |
1535 | if (EFI_ERROR (Status)) {\r |
1536 | DEBUG ((EFI_D_ERROR, "Seperator Event not Measured. Error!\n"));\r | |
1537 | }\r | |
c1d93242 JY |
1538 | }\r |
1539 | \r | |
1540 | //\r | |
1541 | // 3. Measure GPT. It would be done in SAP driver.\r | |
1542 | //\r | |
1543 | \r | |
1544 | //\r | |
1545 | // 4. Measure PE/COFF OS loader. It would be done in SAP driver.\r | |
1546 | //\r | |
1547 | \r | |
1548 | //\r | |
1549 | // 5. Read & Measure variable. BootOrder already measured.\r | |
1550 | //\r | |
1551 | } else {\r | |
1552 | //\r | |
1553 | // 6. Not first attempt, meaning a return from last attempt\r | |
1554 | //\r | |
1555 | Status = TcgMeasureAction (\r | |
1556 | EFI_RETURNING_FROM_EFI_APPLICATOIN\r | |
1557 | );\r | |
6f785cfc | 1558 | if (EFI_ERROR (Status)) {\r |
655dabe3 | 1559 | DEBUG ((EFI_D_ERROR, "%a not Measured. Error!\n", EFI_RETURNING_FROM_EFI_APPLICATOIN));\r |
6f785cfc | 1560 | }\r |
c1d93242 JY |
1561 | }\r |
1562 | \r | |
1563 | DEBUG ((EFI_D_INFO, "TPM2 TrEEDxe Measure Data when ReadyToBoot\n"));\r | |
1564 | //\r | |
1565 | // Increase boot attempt counter.\r | |
1566 | //\r | |
1567 | mBootAttempts++;\r | |
1568 | PERF_END_EX (mImageHandle, "EventRec", "TrEEDxe", 0, PERF_ID_TREE_DXE + 1);\r | |
1569 | }\r | |
1570 | \r | |
1571 | /**\r | |
1572 | Install TCG ACPI Table when ACPI Table Protocol is available.\r | |
1573 | \r | |
1574 | A system's firmware uses an ACPI table to identify the system's TCG capabilities \r | |
1575 | to the Post-Boot environment. The information in this ACPI table is not guaranteed \r | |
1576 | to be valid until the Host Platform transitions from pre-boot state to post-boot state. \r | |
1577 | \r | |
1578 | @param[in] Event Event whose notification function is being invoked\r | |
1579 | @param[in] Context Pointer to the notification function's context\r | |
1580 | **/\r | |
1581 | VOID\r | |
1582 | EFIAPI\r | |
1583 | InstallAcpiTable (\r | |
1584 | IN EFI_EVENT Event,\r | |
1585 | IN VOID *Context\r | |
1586 | )\r | |
1587 | {\r | |
1588 | UINTN TableKey;\r | |
1589 | EFI_STATUS Status;\r | |
1590 | EFI_ACPI_TABLE_PROTOCOL *AcpiTable;\r | |
1591 | UINT8 Checksum;\r | |
1592 | UINT64 OemTableId;\r | |
1593 | \r | |
1594 | Status = gBS->LocateProtocol (&gEfiAcpiTableProtocolGuid, NULL, (VOID **)&AcpiTable);\r | |
1595 | if (EFI_ERROR (Status)) {\r | |
1596 | return;\r | |
1597 | }\r | |
1598 | \r | |
1599 | if (PcdGet8 (PcdTpmPlatformClass) == TCG_PLATFORM_TYPE_CLIENT) {\r | |
1600 | CopyMem (mTcgClientAcpiTemplate.Header.OemId, PcdGetPtr (PcdAcpiDefaultOemId), sizeof (mTcgClientAcpiTemplate.Header.OemId));\r | |
1601 | OemTableId = PcdGet64 (PcdAcpiDefaultOemTableId);\r | |
1602 | CopyMem (&mTcgClientAcpiTemplate.Header.OemTableId, &OemTableId, sizeof (UINT64));\r | |
1603 | mTcgClientAcpiTemplate.Header.OemRevision = PcdGet32 (PcdAcpiDefaultOemRevision);\r | |
1604 | mTcgClientAcpiTemplate.Header.CreatorId = PcdGet32 (PcdAcpiDefaultCreatorId);\r | |
1605 | mTcgClientAcpiTemplate.Header.CreatorRevision = PcdGet32 (PcdAcpiDefaultCreatorRevision);\r | |
1606 | //\r | |
1607 | // The ACPI table must be checksumed before calling the InstallAcpiTable() \r | |
1608 | // service of the ACPI table protocol to install it.\r | |
1609 | //\r | |
1610 | Checksum = CalculateCheckSum8 ((UINT8 *)&mTcgClientAcpiTemplate, sizeof (mTcgClientAcpiTemplate));\r | |
1611 | mTcgClientAcpiTemplate.Header.Checksum = Checksum;\r | |
1612 | \r | |
1613 | Status = AcpiTable->InstallAcpiTable (\r | |
1614 | AcpiTable,\r | |
1615 | &mTcgClientAcpiTemplate,\r | |
1616 | sizeof (mTcgClientAcpiTemplate),\r | |
1617 | &TableKey\r | |
1618 | );\r | |
1619 | } else {\r | |
1620 | CopyMem (mTcgServerAcpiTemplate.Header.OemId, PcdGetPtr (PcdAcpiDefaultOemId), sizeof (mTcgServerAcpiTemplate.Header.OemId));\r | |
1621 | OemTableId = PcdGet64 (PcdAcpiDefaultOemTableId);\r | |
1622 | CopyMem (&mTcgServerAcpiTemplate.Header.OemTableId, &OemTableId, sizeof (UINT64));\r | |
1623 | mTcgServerAcpiTemplate.Header.OemRevision = PcdGet32 (PcdAcpiDefaultOemRevision);\r | |
1624 | mTcgServerAcpiTemplate.Header.CreatorId = PcdGet32 (PcdAcpiDefaultCreatorId);\r | |
1625 | mTcgServerAcpiTemplate.Header.CreatorRevision = PcdGet32 (PcdAcpiDefaultCreatorRevision);\r | |
1626 | //\r | |
1627 | // The ACPI table must be checksumed before calling the InstallAcpiTable() \r | |
1628 | // service of the ACPI table protocol to install it.\r | |
1629 | //\r | |
1630 | Checksum = CalculateCheckSum8 ((UINT8 *)&mTcgServerAcpiTemplate, sizeof (mTcgServerAcpiTemplate));\r | |
1631 | mTcgServerAcpiTemplate.Header.Checksum = Checksum;\r | |
1632 | \r | |
1633 | mTcgServerAcpiTemplate.BaseAddress.Address = PcdGet64 (PcdTpmBaseAddress);\r | |
1634 | Status = AcpiTable->InstallAcpiTable (\r | |
1635 | AcpiTable,\r | |
1636 | &mTcgServerAcpiTemplate,\r | |
1637 | sizeof (mTcgServerAcpiTemplate),\r | |
1638 | &TableKey\r | |
1639 | );\r | |
1640 | }\r | |
f7fe68db CZ |
1641 | \r |
1642 | if (EFI_ERROR (Status)) {\r | |
1643 | DEBUG((EFI_D_ERROR, "Tcg Acpi Table installation failure"));\r | |
1644 | }\r | |
c1d93242 JY |
1645 | }\r |
1646 | \r | |
1647 | /**\r | |
1648 | Exit Boot Services Event notification handler.\r | |
1649 | \r | |
1650 | Measure invocation and success of ExitBootServices.\r | |
1651 | \r | |
1652 | @param[in] Event Event whose notification function is being invoked\r | |
1653 | @param[in] Context Pointer to the notification function's context\r | |
1654 | \r | |
1655 | **/\r | |
1656 | VOID\r | |
1657 | EFIAPI\r | |
1658 | OnExitBootServices (\r | |
1659 | IN EFI_EVENT Event,\r | |
1660 | IN VOID *Context\r | |
1661 | )\r | |
1662 | {\r | |
1663 | EFI_STATUS Status;\r | |
1664 | \r | |
1665 | //\r | |
1666 | // Measure invocation of ExitBootServices,\r | |
1667 | //\r | |
1668 | Status = TcgMeasureAction (\r | |
1669 | EFI_EXIT_BOOT_SERVICES_INVOCATION\r | |
1670 | );\r | |
f7fe68db | 1671 | if (EFI_ERROR (Status)) {\r |
655dabe3 | 1672 | DEBUG ((EFI_D_ERROR, "%a not Measured. Error!\n", EFI_EXIT_BOOT_SERVICES_INVOCATION));\r |
f7fe68db | 1673 | }\r |
c1d93242 JY |
1674 | \r |
1675 | //\r | |
1676 | // Measure success of ExitBootServices\r | |
1677 | //\r | |
1678 | Status = TcgMeasureAction (\r | |
1679 | EFI_EXIT_BOOT_SERVICES_SUCCEEDED\r | |
1680 | );\r | |
f7fe68db | 1681 | if (EFI_ERROR (Status)) {\r |
655dabe3 | 1682 | DEBUG ((EFI_D_ERROR, "%a not Measured. Error!\n", EFI_EXIT_BOOT_SERVICES_SUCCEEDED));\r |
f7fe68db | 1683 | }\r |
c1d93242 JY |
1684 | }\r |
1685 | \r | |
1686 | /**\r | |
1687 | Exit Boot Services Failed Event notification handler.\r | |
1688 | \r | |
1689 | Measure Failure of ExitBootServices.\r | |
1690 | \r | |
1691 | @param[in] Event Event whose notification function is being invoked\r | |
1692 | @param[in] Context Pointer to the notification function's context\r | |
1693 | \r | |
1694 | **/\r | |
1695 | VOID\r | |
1696 | EFIAPI\r | |
1697 | OnExitBootServicesFailed (\r | |
1698 | IN EFI_EVENT Event,\r | |
1699 | IN VOID *Context\r | |
1700 | )\r | |
1701 | {\r | |
1702 | EFI_STATUS Status;\r | |
1703 | \r | |
1704 | //\r | |
1705 | // Measure Failure of ExitBootServices,\r | |
1706 | //\r | |
1707 | Status = TcgMeasureAction (\r | |
1708 | EFI_EXIT_BOOT_SERVICES_FAILED\r | |
1709 | );\r | |
f7fe68db | 1710 | if (EFI_ERROR (Status)) {\r |
655dabe3 | 1711 | DEBUG ((EFI_D_ERROR, "%a not Measured. Error!\n", EFI_EXIT_BOOT_SERVICES_FAILED));\r |
f7fe68db | 1712 | }\r |
c1d93242 JY |
1713 | \r |
1714 | }\r | |
1715 | \r | |
1716 | /**\r | |
1717 | The function install TrEE protocol.\r | |
1718 | \r | |
1719 | @retval EFI_SUCCESS TrEE protocol is installed.\r | |
1720 | @retval other Some error occurs.\r | |
1721 | **/\r | |
1722 | EFI_STATUS\r | |
1723 | InstallTrEE (\r | |
1724 | VOID\r | |
1725 | )\r | |
1726 | {\r | |
1727 | EFI_STATUS Status;\r | |
1728 | EFI_HANDLE Handle;\r | |
1729 | \r | |
1730 | Handle = NULL;\r | |
1731 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
1732 | &Handle,\r | |
1733 | &gEfiTrEEProtocolGuid,\r | |
1734 | &mTreeProtocol,\r | |
1735 | NULL\r | |
1736 | );\r | |
1737 | return Status;\r | |
1738 | }\r | |
1739 | \r | |
1740 | /**\r | |
1741 | The driver's entry point. It publishes EFI TrEE Protocol.\r | |
1742 | \r | |
1743 | @param[in] ImageHandle The firmware allocated handle for the EFI image. \r | |
1744 | @param[in] SystemTable A pointer to the EFI System Table.\r | |
1745 | \r | |
1746 | @retval EFI_SUCCESS The entry point is executed successfully.\r | |
1747 | @retval other Some error occurs when executing this entry point.\r | |
1748 | **/\r | |
1749 | EFI_STATUS\r | |
1750 | EFIAPI\r | |
1751 | DriverEntry (\r | |
1752 | IN EFI_HANDLE ImageHandle,\r | |
1753 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
1754 | )\r | |
1755 | {\r | |
1756 | EFI_STATUS Status;\r | |
1757 | EFI_EVENT Event;\r | |
1758 | VOID *Registration;\r | |
1759 | UINT32 MaxCommandSize;\r | |
1760 | UINT32 MaxResponseSize;\r | |
1761 | TPML_PCR_SELECTION Pcrs;\r | |
1762 | UINTN Index;\r | |
1763 | UINT32 TpmHashAlgorithmBitmap;\r | |
1764 | \r | |
1765 | mImageHandle = ImageHandle;\r | |
1766 | \r | |
1767 | if (CompareGuid (PcdGetPtr(PcdTpmInstanceGuid), &gEfiTpmDeviceInstanceNoneGuid) ||\r | |
1768 | CompareGuid (PcdGetPtr(PcdTpmInstanceGuid), &gEfiTpmDeviceInstanceTpm12Guid)){\r | |
1769 | DEBUG ((EFI_D_ERROR, "No TPM2 instance required!\n"));\r | |
1770 | return EFI_UNSUPPORTED;\r | |
1771 | }\r | |
1772 | \r | |
3dd05ac3 JY |
1773 | if (GetFirstGuidHob (&gTpmErrorHobGuid) != NULL) {\r |
1774 | DEBUG ((EFI_D_ERROR, "TPM2 error!\n"));\r | |
1775 | return EFI_DEVICE_ERROR;\r | |
1776 | }\r | |
1777 | \r | |
c1d93242 JY |
1778 | Status = Tpm2RequestUseTpm ();\r |
1779 | if (EFI_ERROR (Status)) {\r | |
3dd05ac3 | 1780 | DEBUG ((EFI_D_ERROR, "TPM2 not detected!\n"));\r |
c1d93242 JY |
1781 | return Status;\r |
1782 | }\r | |
6f785cfc | 1783 | \r |
c1d93242 JY |
1784 | //\r |
1785 | // Fill information\r | |
1786 | //\r | |
33985e3b CZ |
1787 | DEBUG ((EFI_D_INFO, "TrEE.ProtocolVersion - %02x.%02x\n", mTcgDxeData.BsCap.ProtocolVersion.Major, mTcgDxeData.BsCap.ProtocolVersion.Minor));\r |
1788 | DEBUG ((EFI_D_INFO, "TrEE.StructureVersion - %02x.%02x\n", mTcgDxeData.BsCap.StructureVersion.Major, mTcgDxeData.BsCap.StructureVersion.Minor));\r | |
c1d93242 JY |
1789 | \r |
1790 | Status = Tpm2GetCapabilityManufactureID (&mTcgDxeData.BsCap.ManufacturerID);\r | |
1791 | if (EFI_ERROR (Status)) {\r | |
1792 | DEBUG ((EFI_D_ERROR, "Tpm2GetCapabilityManufactureID fail!\n"));\r | |
1793 | } else {\r | |
33985e3b | 1794 | DEBUG ((EFI_D_INFO, "Tpm2GetCapabilityManufactureID - %08x\n", mTcgDxeData.BsCap.ManufacturerID));\r |
c1d93242 JY |
1795 | }\r |
1796 | \r | |
1797 | DEBUG_CODE (\r | |
1798 | UINT32 FirmwareVersion1;\r | |
1799 | UINT32 FirmwareVersion2;\r | |
1800 | \r | |
1801 | Status = Tpm2GetCapabilityFirmwareVersion (&FirmwareVersion1, &FirmwareVersion2);\r | |
1802 | if (EFI_ERROR (Status)) {\r | |
1803 | DEBUG ((EFI_D_ERROR, "Tpm2GetCapabilityFirmwareVersion fail!\n"));\r | |
1804 | } else {\r | |
33985e3b | 1805 | DEBUG ((EFI_D_INFO, "Tpm2GetCapabilityFirmwareVersion - %08x %08x\n", FirmwareVersion1, FirmwareVersion2));\r |
c1d93242 JY |
1806 | }\r |
1807 | );\r | |
1808 | \r | |
1809 | Status = Tpm2GetCapabilityMaxCommandResponseSize (&MaxCommandSize, &MaxResponseSize);\r | |
1810 | if (EFI_ERROR (Status)) {\r | |
1811 | DEBUG ((EFI_D_ERROR, "Tpm2GetCapabilityMaxCommandResponseSize fail!\n"));\r | |
1812 | } else {\r | |
1813 | mTcgDxeData.BsCap.MaxCommandSize = (UINT16)MaxCommandSize;\r | |
1814 | mTcgDxeData.BsCap.MaxResponseSize = (UINT16)MaxResponseSize;\r | |
33985e3b | 1815 | DEBUG ((EFI_D_INFO, "Tpm2GetCapabilityMaxCommandResponseSize - %08x, %08x\n", MaxCommandSize, MaxResponseSize));\r |
c1d93242 JY |
1816 | }\r |
1817 | \r | |
1818 | Status = Tpm2GetCapabilityPcrs (&Pcrs);\r | |
1819 | if (EFI_ERROR (Status)) {\r | |
1820 | DEBUG ((EFI_D_ERROR, "Tpm2GetCapabilityPcrs fail!\n"));\r | |
1821 | TpmHashAlgorithmBitmap = TREE_BOOT_HASH_ALG_SHA1;\r | |
1822 | } else {\r | |
33985e3b | 1823 | DEBUG ((EFI_D_INFO, "Tpm2GetCapabilityPcrs Count - %08x\n", Pcrs.count));\r |
c1d93242 JY |
1824 | TpmHashAlgorithmBitmap = 0;\r |
1825 | for (Index = 0; Index < Pcrs.count; Index++) {\r | |
33985e3b | 1826 | DEBUG ((EFI_D_INFO, "hash - %x\n", Pcrs.pcrSelections[Index].hash));\r |
c1d93242 JY |
1827 | switch (Pcrs.pcrSelections[Index].hash) {\r |
1828 | case TPM_ALG_SHA1:\r | |
1829 | TpmHashAlgorithmBitmap |= TREE_BOOT_HASH_ALG_SHA1;\r | |
1830 | break;\r | |
1831 | case TPM_ALG_SHA256:\r | |
1832 | TpmHashAlgorithmBitmap |= TREE_BOOT_HASH_ALG_SHA256;\r | |
1833 | break;\r | |
1834 | case TPM_ALG_SHA384:\r | |
1835 | TpmHashAlgorithmBitmap |= TREE_BOOT_HASH_ALG_SHA384;\r | |
1836 | break;\r | |
1837 | case TPM_ALG_SHA512:\r | |
1838 | TpmHashAlgorithmBitmap |= TREE_BOOT_HASH_ALG_SHA512;\r | |
1839 | break;\r | |
1840 | case TPM_ALG_SM3_256:\r | |
1841 | // TBD: Spec not define TREE_BOOT_HASH_ALG_SM3_256 yet\r | |
1842 | break;\r | |
1843 | }\r | |
1844 | }\r | |
1845 | }\r | |
33985e3b | 1846 | DEBUG ((EFI_D_INFO, "TPM.HashAlgorithmBitmap - 0x%08x\n", TpmHashAlgorithmBitmap));\r |
c1d93242 | 1847 | \r |
33985e3b | 1848 | DEBUG ((EFI_D_INFO, "TrEE.SupportedEventLogs - 0x%08x\n", mTcgDxeData.BsCap.SupportedEventLogs));\r |
c1d93242 | 1849 | mTcgDxeData.BsCap.HashAlgorithmBitmap = TpmHashAlgorithmBitmap;\r |
33985e3b | 1850 | DEBUG ((EFI_D_INFO, "TrEE.HashAlgorithmBitmap - 0x%08x\n", mTcgDxeData.BsCap.HashAlgorithmBitmap));\r |
c1d93242 JY |
1851 | \r |
1852 | if (mTcgDxeData.BsCap.TrEEPresentFlag) {\r | |
1853 | //\r | |
1854 | // Setup the log area and copy event log from hob list to it\r | |
1855 | //\r | |
1856 | Status = SetupEventLog ();\r | |
1857 | ASSERT_EFI_ERROR (Status);\r | |
1858 | \r | |
1859 | //\r | |
1860 | // Measure handoff tables, Boot#### variables etc.\r | |
1861 | //\r | |
1862 | Status = EfiCreateEventReadyToBootEx (\r | |
1863 | TPL_CALLBACK,\r | |
1864 | OnReadyToBoot,\r | |
1865 | NULL,\r | |
1866 | &Event\r | |
1867 | );\r | |
1868 | \r | |
1869 | Status = gBS->CreateEventEx (\r | |
1870 | EVT_NOTIFY_SIGNAL,\r | |
1871 | TPL_NOTIFY,\r | |
1872 | OnExitBootServices,\r | |
1873 | NULL,\r | |
1874 | &gEfiEventExitBootServicesGuid,\r | |
1875 | &Event\r | |
1876 | );\r | |
1877 | \r | |
1878 | //\r | |
1879 | // Measure Exit Boot Service failed \r | |
1880 | //\r | |
1881 | Status = gBS->CreateEventEx (\r | |
1882 | EVT_NOTIFY_SIGNAL,\r | |
1883 | TPL_NOTIFY,\r | |
1884 | OnExitBootServicesFailed,\r | |
1885 | NULL,\r | |
1886 | &gEventExitBootServicesFailedGuid,\r | |
1887 | &Event\r | |
1888 | );\r | |
1889 | \r | |
1890 | //\r | |
1891 | // Create event callback, because we need access variable on SecureBootPolicyVariable\r | |
1892 | // We should use VariableWriteArch instead of VariableArch, because Variable driver\r | |
1893 | // may update SecureBoot value based on last setting.\r | |
1894 | //\r | |
1895 | EfiCreateProtocolNotifyEvent (&gEfiVariableWriteArchProtocolGuid, TPL_CALLBACK, MeasureSecureBootPolicy, NULL, &Registration);\r | |
1896 | }\r | |
1897 | \r | |
1898 | //\r | |
1899 | // Install ACPI Table\r | |
1900 | //\r | |
1901 | EfiCreateProtocolNotifyEvent (&gEfiAcpiTableProtocolGuid, TPL_CALLBACK, InstallAcpiTable, NULL, &Registration);\r | |
1902 | \r | |
1903 | //\r | |
1904 | // Install TrEEProtocol\r | |
1905 | //\r | |
1906 | Status = InstallTrEE ();\r | |
33985e3b | 1907 | DEBUG ((EFI_D_INFO, "InstallTrEE - %r\n", Status));\r |
c1d93242 JY |
1908 | \r |
1909 | return Status;\r | |
1910 | }\r |