2 Update and publish processors' BIST information.
4 Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
5 This program and the accompanying materials
6 are licensed and made available under the terms and conditions of the BSD License
7 which accompanies this distribution. The full text of the license may be found at
8 http://opensource.org/licenses/bsd-license.php
10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
17 EFI_SEC_PLATFORM_INFORMATION2_PPI mSecPlatformInformation2Ppi
= {
18 SecPlatformInformation2
21 EFI_PEI_PPI_DESCRIPTOR mPeiSecPlatformInformation2Ppi
= {
22 (EFI_PEI_PPI_DESCRIPTOR_PPI
| EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST
),
23 &gEfiSecPlatformInformation2PpiGuid
,
24 &mSecPlatformInformation2Ppi
28 Implementation of the PlatformInformation2 service in EFI_SEC_PLATFORM_INFORMATION2_PPI.
30 @param PeiServices The pointer to the PEI Services Table.
31 @param StructureSize The pointer to the variable describing size of the input buffer.
32 @param PlatformInformationRecord2 The pointer to the EFI_SEC_PLATFORM_INFORMATION_RECORD2.
34 @retval EFI_SUCCESS The data was successfully returned.
35 @retval EFI_BUFFER_TOO_SMALL The buffer was too small. The current buffer size needed to
36 hold the record is returned in StructureSize.
41 SecPlatformInformation2 (
42 IN CONST EFI_PEI_SERVICES
**PeiServices
,
43 IN OUT UINT64
*StructureSize
,
44 OUT EFI_SEC_PLATFORM_INFORMATION_RECORD2
*PlatformInformationRecord2
47 PEI_CPU_MP_DATA
*PeiCpuMpData
;
48 UINTN BistInformationSize
;
50 EFI_SEC_PLATFORM_INFORMATION_CPU
*CpuInstance
;
52 PeiCpuMpData
= GetMpHobData ();
54 BistInformationSize
= sizeof (EFI_SEC_PLATFORM_INFORMATION_RECORD2
) +
55 sizeof (EFI_SEC_PLATFORM_INFORMATION_CPU
) * PeiCpuMpData
->CpuCount
;
57 // return the information size if input buffer size is too small
59 if ((*StructureSize
) < (UINT64
) BistInformationSize
) {
60 *StructureSize
= (UINT64
) BistInformationSize
;
61 return EFI_BUFFER_TOO_SMALL
;
64 PlatformInformationRecord2
->NumberOfCpus
= PeiCpuMpData
->CpuCount
;
65 CpuInstance
= PlatformInformationRecord2
->CpuInstance
;
66 for (CpuIndex
= 0; CpuIndex
< PeiCpuMpData
->CpuCount
; CpuIndex
++) {
67 CpuInstance
[CpuIndex
].CpuLocation
= PeiCpuMpData
->CpuData
[CpuIndex
].ApicId
;
68 CpuInstance
[CpuIndex
].InfoRecord
.IA32HealthFlags
= PeiCpuMpData
->CpuData
[CpuIndex
].Health
;
75 Worker function to get CPUs' BIST by calling SecPlatformInformationPpi
76 or SecPlatformInformation2Ppi.
78 @param PeiServices Pointer to PEI Services Table
80 @param PpiDescriptor Return a pointer to instance of the
81 EFI_PEI_PPI_DESCRIPTOR
82 @param BistInformationData Pointer to BIST information data
84 @retval EFI_SUCCESS Retrieve of the BIST data successfully
85 @retval EFI_NOT_FOUND No sec platform information(2) ppi export
86 @retval EFI_DEVICE_ERROR Failed to get CPU Information
91 IN CONST EFI_PEI_SERVICES
**PeiServices
,
92 IN CONST EFI_GUID
*Guid
,
93 OUT EFI_PEI_PPI_DESCRIPTOR
**PpiDescriptor
,
94 OUT VOID
**BistInformationData
98 EFI_SEC_PLATFORM_INFORMATION2_PPI
*SecPlatformInformation2Ppi
;
99 EFI_SEC_PLATFORM_INFORMATION_RECORD2
*SecPlatformInformation2
;
100 UINT64 InformationSize
;
102 Status
= PeiServicesLocatePpi (
105 PpiDescriptor
, // EFI_PEI_PPI_DESCRIPTOR
106 (VOID
**)&SecPlatformInformation2Ppi
// PPI
108 if (Status
== EFI_NOT_FOUND
) {
109 return EFI_NOT_FOUND
;
112 if (Status
== EFI_SUCCESS
) {
114 // Get the size of the sec platform information2(BSP/APs' BIST data)
117 SecPlatformInformation2
= NULL
;
118 Status
= SecPlatformInformation2Ppi
->PlatformInformation2 (
121 SecPlatformInformation2
123 if (Status
== EFI_BUFFER_TOO_SMALL
) {
124 Status
= PeiServicesAllocatePool (
125 (UINTN
) InformationSize
,
126 (VOID
**) &SecPlatformInformation2
128 if (Status
== EFI_SUCCESS
) {
130 // Retrieve BIST data
132 Status
= SecPlatformInformation2Ppi
->PlatformInformation2 (
135 SecPlatformInformation2
137 if (Status
== EFI_SUCCESS
) {
138 *BistInformationData
= SecPlatformInformation2
;
145 return EFI_DEVICE_ERROR
;
149 Collects BIST data from PPI.
151 This function collects BIST data from Sec Platform Information2 PPI
152 or SEC Platform Information PPI.
154 @param PeiServices Pointer to PEI Services Table
155 @param PeiCpuMpData Pointer to PEI CPU MP Data
159 CollectBistDataFromPpi (
160 IN CONST EFI_PEI_SERVICES
**PeiServices
,
161 IN PEI_CPU_MP_DATA
*PeiCpuMpData
165 EFI_PEI_PPI_DESCRIPTOR
*SecInformationDescriptor
;
166 EFI_SEC_PLATFORM_INFORMATION_RECORD2
*SecPlatformInformation2
;
167 EFI_SEC_PLATFORM_INFORMATION_RECORD
*SecPlatformInformation
;
169 EFI_SEC_PLATFORM_INFORMATION_CPU
*CpuInstance
;
170 EFI_SEC_PLATFORM_INFORMATION_CPU BspCpuInstance
;
171 UINTN ProcessorNumber
;
173 PEI_CPU_DATA
*CpuData
;
175 SecPlatformInformation2
= NULL
;
176 SecPlatformInformation
= NULL
;
181 // Get BIST information from Sec Platform Information2 Ppi firstly
183 Status
= GetBistInfoFromPpi (
185 &gEfiSecPlatformInformation2PpiGuid
,
186 &SecInformationDescriptor
,
187 (VOID
*) &SecPlatformInformation2
189 if (Status
== EFI_SUCCESS
) {
191 // Sec Platform Information2 PPI includes BSP/APs' BIST information
193 NumberOfData
= SecPlatformInformation2
->NumberOfCpus
;
194 CpuInstance
= SecPlatformInformation2
->CpuInstance
;
197 // Otherwise, get BIST information from Sec Platform Information Ppi
199 Status
= GetBistInfoFromPpi (
201 &gEfiSecPlatformInformationPpiGuid
,
202 &SecInformationDescriptor
,
203 (VOID
*) &SecPlatformInformation
205 if (Status
== EFI_SUCCESS
) {
208 // SEC Platform Information only includes BSP's BIST information
209 // and does not have BSP's APIC ID
211 BspCpuInstance
.CpuLocation
= GetInitialApicId ();
212 BspCpuInstance
.InfoRecord
.IA32HealthFlags
.Uint32
= SecPlatformInformation
->IA32HealthFlags
.Uint32
;
213 CpuInstance
= &BspCpuInstance
;
215 DEBUG ((EFI_D_INFO
, "Does not find any stored CPU BIST information from PPI!\n"));
218 for (ProcessorNumber
= 0; ProcessorNumber
< PeiCpuMpData
->CpuCount
; ProcessorNumber
++) {
219 CpuData
= &PeiCpuMpData
->CpuData
[ProcessorNumber
];
220 for (CpuIndex
= 0; CpuIndex
< NumberOfData
; CpuIndex
++) {
221 ASSERT (CpuInstance
!= NULL
);
222 if (CpuData
->ApicId
== CpuInstance
[CpuIndex
].CpuLocation
) {
224 // Update processor's BIST data if it is already stored before
226 CpuData
->Health
= CpuInstance
[CpuIndex
].InfoRecord
.IA32HealthFlags
;
229 if (CpuData
->Health
.Uint32
== 0) {
230 CpuData
->CpuHealthy
= TRUE
;
232 CpuData
->CpuHealthy
= FALSE
;
234 // Report Status Code that self test is failed
237 EFI_ERROR_CODE
| EFI_ERROR_MAJOR
,
238 (EFI_COMPUTING_UNIT_HOST_PROCESSOR
| EFI_CU_HP_EC_SELF_TEST
)
241 DEBUG ((EFI_D_INFO
, " APICID - 0x%08x, BIST - 0x%08x\n",
242 PeiCpuMpData
->CpuData
[ProcessorNumber
].ApicId
,
243 PeiCpuMpData
->CpuData
[ProcessorNumber
].Health
.Uint32
247 if (SecPlatformInformation2
!= NULL
&& NumberOfData
< PeiCpuMpData
->CpuCount
) {
249 // Reinstall SecPlatformInformation2 PPI to include new BIST inforamtion
251 Status
= PeiServicesReInstallPpi (
252 SecInformationDescriptor
,
253 &mPeiSecPlatformInformation2Ppi
255 ASSERT_EFI_ERROR (Status
);
258 // Install SecPlatformInformation2 PPI to include new BIST inforamtion
260 Status
= PeiServicesInstallPpi (&mPeiSecPlatformInformation2Ppi
);
261 ASSERT_EFI_ERROR(Status
);