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ea0f431c JF |
1 | /** @file\r |
2 | Update and publish processors' BIST information.\r | |
3 | \r | |
7367cc6c | 4 | Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved.<BR>\r |
0acd8697 | 5 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
ea0f431c JF |
6 | \r |
7 | **/\r | |
8 | \r | |
9 | #include "CpuMpPei.h"\r | |
10 | \r | |
11 | EFI_SEC_PLATFORM_INFORMATION2_PPI mSecPlatformInformation2Ppi = {\r | |
12 | SecPlatformInformation2\r | |
13 | };\r | |
14 | \r | |
15 | EFI_PEI_PPI_DESCRIPTOR mPeiSecPlatformInformation2Ppi = {\r | |
16 | (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r | |
17 | &gEfiSecPlatformInformation2PpiGuid,\r | |
18 | &mSecPlatformInformation2Ppi\r | |
19 | };\r | |
20 | \r | |
21 | /**\r | |
22 | Implementation of the PlatformInformation2 service in EFI_SEC_PLATFORM_INFORMATION2_PPI.\r | |
23 | \r | |
24 | @param PeiServices The pointer to the PEI Services Table.\r | |
25 | @param StructureSize The pointer to the variable describing size of the input buffer.\r | |
26 | @param PlatformInformationRecord2 The pointer to the EFI_SEC_PLATFORM_INFORMATION_RECORD2.\r | |
27 | \r | |
28 | @retval EFI_SUCCESS The data was successfully returned.\r | |
29 | @retval EFI_BUFFER_TOO_SMALL The buffer was too small. The current buffer size needed to\r | |
30 | hold the record is returned in StructureSize.\r | |
31 | \r | |
32 | **/\r | |
33 | EFI_STATUS\r | |
34 | EFIAPI\r | |
35 | SecPlatformInformation2 (\r | |
36 | IN CONST EFI_PEI_SERVICES **PeiServices,\r | |
37 | IN OUT UINT64 *StructureSize,\r | |
38 | OUT EFI_SEC_PLATFORM_INFORMATION_RECORD2 *PlatformInformationRecord2\r | |
39 | )\r | |
40 | {\r | |
86432994 JF |
41 | EFI_HOB_GUID_TYPE *GuidHob;\r |
42 | VOID *DataInHob;\r | |
43 | UINTN DataSize;\r | |
ea0f431c | 44 | \r |
86432994 JF |
45 | GuidHob = GetFirstGuidHob (&gEfiSecPlatformInformation2PpiGuid);\r |
46 | if (GuidHob == NULL) {\r | |
47 | *StructureSize = 0;\r | |
48 | return EFI_SUCCESS;\r | |
49 | }\r | |
50 | \r | |
51 | DataInHob = GET_GUID_HOB_DATA (GuidHob);\r | |
52 | DataSize = GET_GUID_HOB_DATA_SIZE (GuidHob);\r | |
ea0f431c | 53 | \r |
ea0f431c | 54 | //\r |
86432994 | 55 | // return the information from BistHob\r |
ea0f431c | 56 | //\r |
86432994 JF |
57 | if ((*StructureSize) < (UINT64) DataSize) {\r |
58 | *StructureSize = (UINT64) DataSize;\r | |
ea0f431c JF |
59 | return EFI_BUFFER_TOO_SMALL;\r |
60 | }\r | |
61 | \r | |
86432994 JF |
62 | *StructureSize = (UINT64) DataSize;\r |
63 | CopyMem (PlatformInformationRecord2, DataInHob, DataSize);\r | |
ea0f431c JF |
64 | return EFI_SUCCESS;\r |
65 | }\r | |
66 | \r | |
67 | /**\r | |
68 | Worker function to get CPUs' BIST by calling SecPlatformInformationPpi\r | |
69 | or SecPlatformInformation2Ppi.\r | |
70 | \r | |
71 | @param PeiServices Pointer to PEI Services Table\r | |
72 | @param Guid PPI Guid\r | |
73 | @param PpiDescriptor Return a pointer to instance of the\r | |
74 | EFI_PEI_PPI_DESCRIPTOR\r | |
75 | @param BistInformationData Pointer to BIST information data\r | |
dfb0e659 | 76 | @param BistInformationSize Return the size in bytes of BIST information\r |
ea0f431c JF |
77 | \r |
78 | @retval EFI_SUCCESS Retrieve of the BIST data successfully\r | |
79 | @retval EFI_NOT_FOUND No sec platform information(2) ppi export\r | |
80 | @retval EFI_DEVICE_ERROR Failed to get CPU Information\r | |
81 | \r | |
82 | **/\r | |
83 | EFI_STATUS\r | |
84 | GetBistInfoFromPpi (\r | |
85 | IN CONST EFI_PEI_SERVICES **PeiServices,\r | |
86 | IN CONST EFI_GUID *Guid,\r | |
87 | OUT EFI_PEI_PPI_DESCRIPTOR **PpiDescriptor,\r | |
dfb0e659 JF |
88 | OUT VOID **BistInformationData,\r |
89 | OUT UINT64 *BistInformationSize OPTIONAL\r | |
ea0f431c JF |
90 | )\r |
91 | {\r | |
92 | EFI_STATUS Status;\r | |
93 | EFI_SEC_PLATFORM_INFORMATION2_PPI *SecPlatformInformation2Ppi;\r | |
94 | EFI_SEC_PLATFORM_INFORMATION_RECORD2 *SecPlatformInformation2;\r | |
95 | UINT64 InformationSize;\r | |
96 | \r | |
97 | Status = PeiServicesLocatePpi (\r | |
98 | Guid, // GUID\r | |
99 | 0, // INSTANCE\r | |
100 | PpiDescriptor, // EFI_PEI_PPI_DESCRIPTOR\r | |
101 | (VOID **)&SecPlatformInformation2Ppi // PPI\r | |
102 | );\r | |
103 | if (Status == EFI_NOT_FOUND) {\r | |
104 | return EFI_NOT_FOUND;\r | |
105 | }\r | |
106 | \r | |
107 | if (Status == EFI_SUCCESS) {\r | |
108 | //\r | |
109 | // Get the size of the sec platform information2(BSP/APs' BIST data)\r | |
110 | //\r | |
111 | InformationSize = 0;\r | |
112 | SecPlatformInformation2 = NULL;\r | |
113 | Status = SecPlatformInformation2Ppi->PlatformInformation2 (\r | |
114 | PeiServices,\r | |
115 | &InformationSize,\r | |
116 | SecPlatformInformation2\r | |
117 | );\r | |
118 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
119 | Status = PeiServicesAllocatePool (\r | |
120 | (UINTN) InformationSize,\r | |
121 | (VOID **) &SecPlatformInformation2\r | |
122 | );\r | |
123 | if (Status == EFI_SUCCESS) {\r | |
124 | //\r | |
125 | // Retrieve BIST data\r | |
126 | //\r | |
127 | Status = SecPlatformInformation2Ppi->PlatformInformation2 (\r | |
128 | PeiServices,\r | |
129 | &InformationSize,\r | |
130 | SecPlatformInformation2\r | |
131 | );\r | |
132 | if (Status == EFI_SUCCESS) {\r | |
133 | *BistInformationData = SecPlatformInformation2;\r | |
dfb0e659 JF |
134 | if (BistInformationSize != NULL) {\r |
135 | *BistInformationSize = InformationSize;\r | |
136 | }\r | |
ea0f431c JF |
137 | return EFI_SUCCESS;\r |
138 | }\r | |
139 | }\r | |
140 | }\r | |
141 | }\r | |
142 | \r | |
143 | return EFI_DEVICE_ERROR;\r | |
144 | }\r | |
145 | \r | |
146 | /**\r | |
147 | Collects BIST data from PPI.\r | |
148 | \r | |
149 | This function collects BIST data from Sec Platform Information2 PPI\r | |
150 | or SEC Platform Information PPI.\r | |
151 | \r | |
152 | @param PeiServices Pointer to PEI Services Table\r | |
ea0f431c JF |
153 | \r |
154 | **/\r | |
155 | VOID\r | |
156 | CollectBistDataFromPpi (\r | |
a1a4c7a4 | 157 | IN CONST EFI_PEI_SERVICES **PeiServices\r |
ea0f431c JF |
158 | )\r |
159 | {\r | |
160 | EFI_STATUS Status;\r | |
161 | EFI_PEI_PPI_DESCRIPTOR *SecInformationDescriptor;\r | |
162 | EFI_SEC_PLATFORM_INFORMATION_RECORD2 *SecPlatformInformation2;\r | |
163 | EFI_SEC_PLATFORM_INFORMATION_RECORD *SecPlatformInformation;\r | |
164 | UINTN NumberOfData;\r | |
165 | EFI_SEC_PLATFORM_INFORMATION_CPU *CpuInstance;\r | |
166 | EFI_SEC_PLATFORM_INFORMATION_CPU BspCpuInstance;\r | |
167 | UINTN ProcessorNumber;\r | |
168 | UINTN CpuIndex;\r | |
a1a4c7a4 JF |
169 | EFI_PROCESSOR_INFORMATION ProcessorInfo;\r |
170 | EFI_HEALTH_FLAGS BistData;\r | |
171 | UINTN NumberOfProcessors;\r | |
172 | UINTN NumberOfEnabledProcessors;\r | |
86432994 JF |
173 | UINTN BistInformationSize;\r |
174 | EFI_SEC_PLATFORM_INFORMATION_RECORD2 *PlatformInformationRecord2;\r | |
175 | EFI_SEC_PLATFORM_INFORMATION_CPU *CpuInstanceInHob;\r | |
7367cc6c | 176 | \r |
a1a4c7a4 JF |
177 | \r |
178 | MpInitLibGetNumberOfProcessors(&NumberOfProcessors, &NumberOfEnabledProcessors);\r | |
ea0f431c | 179 | \r |
86432994 JF |
180 | BistInformationSize = sizeof (EFI_SEC_PLATFORM_INFORMATION_RECORD2) +\r |
181 | sizeof (EFI_SEC_PLATFORM_INFORMATION_CPU) * NumberOfProcessors;\r | |
182 | Status = PeiServicesAllocatePool (\r | |
183 | (UINTN) BistInformationSize,\r | |
184 | (VOID **) &PlatformInformationRecord2\r | |
185 | );\r | |
186 | ASSERT_EFI_ERROR (Status);\r | |
187 | PlatformInformationRecord2->NumberOfCpus = (UINT32)NumberOfProcessors;\r | |
188 | \r | |
ea0f431c JF |
189 | SecPlatformInformation2 = NULL;\r |
190 | SecPlatformInformation = NULL;\r | |
191 | NumberOfData = 0;\r | |
192 | CpuInstance = NULL;\r | |
ea0f431c JF |
193 | //\r |
194 | // Get BIST information from Sec Platform Information2 Ppi firstly\r | |
195 | //\r | |
196 | Status = GetBistInfoFromPpi (\r | |
197 | PeiServices,\r | |
198 | &gEfiSecPlatformInformation2PpiGuid,\r | |
199 | &SecInformationDescriptor,\r | |
dfb0e659 JF |
200 | (VOID *) &SecPlatformInformation2,\r |
201 | NULL\r | |
ea0f431c JF |
202 | );\r |
203 | if (Status == EFI_SUCCESS) {\r | |
204 | //\r | |
205 | // Sec Platform Information2 PPI includes BSP/APs' BIST information\r | |
206 | //\r | |
207 | NumberOfData = SecPlatformInformation2->NumberOfCpus;\r | |
208 | CpuInstance = SecPlatformInformation2->CpuInstance;\r | |
209 | } else {\r | |
210 | //\r | |
211 | // Otherwise, get BIST information from Sec Platform Information Ppi\r | |
212 | //\r | |
213 | Status = GetBistInfoFromPpi (\r | |
214 | PeiServices,\r | |
215 | &gEfiSecPlatformInformationPpiGuid,\r | |
216 | &SecInformationDescriptor,\r | |
dfb0e659 JF |
217 | (VOID *) &SecPlatformInformation,\r |
218 | NULL\r | |
ea0f431c JF |
219 | );\r |
220 | if (Status == EFI_SUCCESS) {\r | |
221 | NumberOfData = 1;\r | |
222 | //\r | |
223 | // SEC Platform Information only includes BSP's BIST information\r | |
224 | // and does not have BSP's APIC ID\r | |
225 | //\r | |
226 | BspCpuInstance.CpuLocation = GetInitialApicId ();\r | |
227 | BspCpuInstance.InfoRecord.IA32HealthFlags.Uint32 = SecPlatformInformation->IA32HealthFlags.Uint32;\r | |
228 | CpuInstance = &BspCpuInstance;\r | |
229 | } else {\r | |
230 | DEBUG ((EFI_D_INFO, "Does not find any stored CPU BIST information from PPI!\n"));\r | |
231 | }\r | |
232 | }\r | |
a1a4c7a4 JF |
233 | for (ProcessorNumber = 0; ProcessorNumber < NumberOfProcessors; ProcessorNumber ++) {\r |
234 | MpInitLibGetProcessorInfo (ProcessorNumber, &ProcessorInfo, &BistData);\r | |
ea0f431c JF |
235 | for (CpuIndex = 0; CpuIndex < NumberOfData; CpuIndex ++) {\r |
236 | ASSERT (CpuInstance != NULL);\r | |
a1a4c7a4 | 237 | if (ProcessorInfo.ProcessorId == CpuInstance[CpuIndex].CpuLocation) {\r |
ea0f431c JF |
238 | //\r |
239 | // Update processor's BIST data if it is already stored before\r | |
240 | //\r | |
a1a4c7a4 | 241 | BistData = CpuInstance[CpuIndex].InfoRecord.IA32HealthFlags;\r |
ea0f431c JF |
242 | }\r |
243 | }\r | |
a1a4c7a4 | 244 | if (BistData.Uint32 != 0) {\r |
ea0f431c JF |
245 | //\r |
246 | // Report Status Code that self test is failed\r | |
247 | //\r | |
248 | REPORT_STATUS_CODE (\r | |
249 | EFI_ERROR_CODE | EFI_ERROR_MAJOR,\r | |
250 | (EFI_COMPUTING_UNIT_HOST_PROCESSOR | EFI_CU_HP_EC_SELF_TEST)\r | |
251 | );\r | |
252 | }\r | |
253 | DEBUG ((EFI_D_INFO, " APICID - 0x%08x, BIST - 0x%08x\n",\r | |
8dc56dde | 254 | (UINT32) ProcessorInfo.ProcessorId,\r |
a1a4c7a4 | 255 | BistData\r |
ea0f431c | 256 | ));\r |
86432994 JF |
257 | CpuInstanceInHob = PlatformInformationRecord2->CpuInstance;\r |
258 | CpuInstanceInHob[ProcessorNumber].CpuLocation = (UINT32) ProcessorInfo.ProcessorId;\r | |
259 | CpuInstanceInHob[ProcessorNumber].InfoRecord.IA32HealthFlags = BistData;\r | |
ea0f431c | 260 | }\r |
7367cc6c | 261 | \r |
86432994 JF |
262 | //\r |
263 | // Build SecPlatformInformation2 PPI GUIDed HOB that also could be consumed\r | |
264 | // by CPU MP driver to get CPU BIST data\r | |
265 | //\r | |
266 | BuildGuidDataHob (\r | |
267 | &gEfiSecPlatformInformation2PpiGuid,\r | |
268 | PlatformInformationRecord2,\r | |
269 | (UINTN) BistInformationSize\r | |
270 | );\r | |
ea0f431c | 271 | \r |
005c855d MH |
272 | if (SecPlatformInformation2 != NULL) {\r |
273 | if (NumberOfData < NumberOfProcessors) {\r | |
274 | //\r | |
275 | // Reinstall SecPlatformInformation2 PPI to include new BIST information\r | |
276 | //\r | |
277 | Status = PeiServicesReInstallPpi (\r | |
278 | SecInformationDescriptor,\r | |
279 | &mPeiSecPlatformInformation2Ppi\r | |
280 | );\r | |
281 | ASSERT_EFI_ERROR (Status);\r | |
282 | }\r | |
ea0f431c JF |
283 | } else {\r |
284 | //\r | |
005c855d | 285 | // Install SecPlatformInformation2 PPI\r |
ea0f431c JF |
286 | //\r |
287 | Status = PeiServicesInstallPpi (&mPeiSecPlatformInformation2Ppi);\r | |
288 | ASSERT_EFI_ERROR(Status);\r | |
289 | }\r | |
290 | }\r | |
a1a4c7a4 | 291 | \r |