CpuBist.c@ 77662

最後變更在這個檔案從77662是 77662,由 vboxsync 提交於 6 年前
EFI: First step in UDK2018 merge. Does not build yet.
屬性 svn:eol-style 設為 `native`
檔案大小: 10.3 KB

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1	/** @file
2	Update and publish processors' BIST information.
3
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
9
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.
12
13	**/
14
15	#include "CpuMpPei.h"
16
17	EFI_SEC_PLATFORM_INFORMATION2_PPI mSecPlatformInformation2Ppi = {
18	SecPlatformInformation2
19	};
20
21	EFI_PEI_PPI_DESCRIPTOR mPeiSecPlatformInformation2Ppi = {
22	(EFI_PEI_PPI_DESCRIPTOR_PPI \| EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
23	&gEfiSecPlatformInformation2PpiGuid,
24	&mSecPlatformInformation2Ppi
25	};
26
27	/**
28	Implementation of the PlatformInformation2 service in EFI_SEC_PLATFORM_INFORMATION2_PPI.
29
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.
33
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.
37
38	**/
39	EFI_STATUS
40	EFIAPI
41	SecPlatformInformation2 (
42	IN CONST EFI_PEI_SERVICES **PeiServices,
43	IN OUT UINT64 *StructureSize,
44	OUT EFI_SEC_PLATFORM_INFORMATION_RECORD2 *PlatformInformationRecord2
45	)
46	{
47	EFI_HOB_GUID_TYPE *GuidHob;
48	VOID *DataInHob;
49	UINTN DataSize;
50
51	GuidHob = GetFirstGuidHob (&gEfiSecPlatformInformation2PpiGuid);
52	if (GuidHob == NULL) {
53	*StructureSize = 0;
54	return EFI_SUCCESS;
55	}
56
57	DataInHob = GET_GUID_HOB_DATA (GuidHob);
58	DataSize = GET_GUID_HOB_DATA_SIZE (GuidHob);
59
60	//
61	// return the information from BistHob
62	//
63	if ((*StructureSize) < (UINT64) DataSize) {
64	*StructureSize = (UINT64) DataSize;
65	return EFI_BUFFER_TOO_SMALL;
66	}
67
68	*StructureSize = (UINT64) DataSize;
69	CopyMem (PlatformInformationRecord2, DataInHob, DataSize);
70	return EFI_SUCCESS;
71	}
72
73	/**
74	Worker function to get CPUs' BIST by calling SecPlatformInformationPpi
75	or SecPlatformInformation2Ppi.
76
77	@param PeiServices Pointer to PEI Services Table
78	@param Guid PPI Guid
79	@param PpiDescriptor Return a pointer to instance of the
80	EFI_PEI_PPI_DESCRIPTOR
81	@param BistInformationData Pointer to BIST information data
82	@param BistInformationSize Return the size in bytes of BIST information
83
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
87
88	**/
89	EFI_STATUS
90	GetBistInfoFromPpi (
91	IN CONST EFI_PEI_SERVICES **PeiServices,
92	IN CONST EFI_GUID *Guid,
93	OUT EFI_PEI_PPI_DESCRIPTOR **PpiDescriptor,
94	OUT VOID **BistInformationData,
95	OUT UINT64 *BistInformationSize OPTIONAL
96	)
97	{
98	EFI_STATUS Status;
99	EFI_SEC_PLATFORM_INFORMATION2_PPI *SecPlatformInformation2Ppi;
100	EFI_SEC_PLATFORM_INFORMATION_RECORD2 *SecPlatformInformation2;
101	UINT64 InformationSize;
102
103	Status = PeiServicesLocatePpi (
104	Guid, // GUID
105	0, // INSTANCE
106	PpiDescriptor, // EFI_PEI_PPI_DESCRIPTOR
107	(VOID **)&SecPlatformInformation2Ppi // PPI
108	);
109	if (Status == EFI_NOT_FOUND) {
110	return EFI_NOT_FOUND;
111	}
112
113	if (Status == EFI_SUCCESS) {
114	//
115	// Get the size of the sec platform information2(BSP/APs' BIST data)
116	//
117	InformationSize = 0;
118	SecPlatformInformation2 = NULL;
119	Status = SecPlatformInformation2Ppi->PlatformInformation2 (
120	PeiServices,
121	&InformationSize,
122	SecPlatformInformation2
123	);
124	if (Status == EFI_BUFFER_TOO_SMALL) {
125	Status = PeiServicesAllocatePool (
126	(UINTN) InformationSize,
127	(VOID **) &SecPlatformInformation2
128	);
129	if (Status == EFI_SUCCESS) {
130	//
131	// Retrieve BIST data
132	//
133	Status = SecPlatformInformation2Ppi->PlatformInformation2 (
134	PeiServices,
135	&InformationSize,
136	SecPlatformInformation2
137	);
138	if (Status == EFI_SUCCESS) {
139	*BistInformationData = SecPlatformInformation2;
140	if (BistInformationSize != NULL) {
141	*BistInformationSize = InformationSize;
142	}
143	return EFI_SUCCESS;
144	}
145	}
146	}
147	}
148
149	return EFI_DEVICE_ERROR;
150	}
151
152	/**
153	Collects BIST data from PPI.
154
155	This function collects BIST data from Sec Platform Information2 PPI
156	or SEC Platform Information PPI.
157
158	@param PeiServices Pointer to PEI Services Table
159
160	**/
161	VOID
162	CollectBistDataFromPpi (
163	IN CONST EFI_PEI_SERVICES **PeiServices
164	)
165	{
166	EFI_STATUS Status;
167	EFI_PEI_PPI_DESCRIPTOR *SecInformationDescriptor;
168	EFI_SEC_PLATFORM_INFORMATION_RECORD2 *SecPlatformInformation2;
169	EFI_SEC_PLATFORM_INFORMATION_RECORD *SecPlatformInformation;
170	UINTN NumberOfData;
171	EFI_SEC_PLATFORM_INFORMATION_CPU *CpuInstance;
172	EFI_SEC_PLATFORM_INFORMATION_CPU BspCpuInstance;
173	UINTN ProcessorNumber;
174	UINTN CpuIndex;
175	EFI_PROCESSOR_INFORMATION ProcessorInfo;
176	EFI_HEALTH_FLAGS BistData;
177	UINTN NumberOfProcessors;
178	UINTN NumberOfEnabledProcessors;
179	UINTN BistInformationSize;
180	EFI_SEC_PLATFORM_INFORMATION_RECORD2 *PlatformInformationRecord2;
181	EFI_SEC_PLATFORM_INFORMATION_CPU *CpuInstanceInHob;
182
183
184	MpInitLibGetNumberOfProcessors(&NumberOfProcessors, &NumberOfEnabledProcessors);
185
186	BistInformationSize = sizeof (EFI_SEC_PLATFORM_INFORMATION_RECORD2) +
187	sizeof (EFI_SEC_PLATFORM_INFORMATION_CPU) * NumberOfProcessors;
188	Status = PeiServicesAllocatePool (
189	(UINTN) BistInformationSize,
190	(VOID **) &PlatformInformationRecord2
191	);
192	ASSERT_EFI_ERROR (Status);
193	PlatformInformationRecord2->NumberOfCpus = (UINT32)NumberOfProcessors;
194
195	SecPlatformInformation2 = NULL;
196	SecPlatformInformation = NULL;
197	NumberOfData = 0;
198	CpuInstance = NULL;
199	//
200	// Get BIST information from Sec Platform Information2 Ppi firstly
201	//
202	Status = GetBistInfoFromPpi (
203	PeiServices,
204	&gEfiSecPlatformInformation2PpiGuid,
205	&SecInformationDescriptor,
206	(VOID *) &SecPlatformInformation2,
207	NULL
208	);
209	if (Status == EFI_SUCCESS) {
210	//
211	// Sec Platform Information2 PPI includes BSP/APs' BIST information
212	//
213	NumberOfData = SecPlatformInformation2->NumberOfCpus;
214	CpuInstance = SecPlatformInformation2->CpuInstance;
215	} else {
216	//
217	// Otherwise, get BIST information from Sec Platform Information Ppi
218	//
219	Status = GetBistInfoFromPpi (
220	PeiServices,
221	&gEfiSecPlatformInformationPpiGuid,
222	&SecInformationDescriptor,
223	(VOID *) &SecPlatformInformation,
224	NULL
225	);
226	if (Status == EFI_SUCCESS) {
227	NumberOfData = 1;
228	//
229	// SEC Platform Information only includes BSP's BIST information
230	// and does not have BSP's APIC ID
231	//
232	BspCpuInstance.CpuLocation = GetInitialApicId ();
233	BspCpuInstance.InfoRecord.IA32HealthFlags.Uint32 = SecPlatformInformation->IA32HealthFlags.Uint32;
234	CpuInstance = &BspCpuInstance;
235	} else {
236	DEBUG ((EFI_D_INFO, "Does not find any stored CPU BIST information from PPI!\n"));
237	}
238	}
239	for (ProcessorNumber = 0; ProcessorNumber < NumberOfProcessors; ProcessorNumber ++) {
240	MpInitLibGetProcessorInfo (ProcessorNumber, &ProcessorInfo, &BistData);
241	for (CpuIndex = 0; CpuIndex < NumberOfData; CpuIndex ++) {
242	ASSERT (CpuInstance != NULL);
243	if (ProcessorInfo.ProcessorId == CpuInstance[CpuIndex].CpuLocation) {
244	//
245	// Update processor's BIST data if it is already stored before
246	//
247	BistData = CpuInstance[CpuIndex].InfoRecord.IA32HealthFlags;
248	}
249	}
250	if (BistData.Uint32 != 0) {
251	//
252	// Report Status Code that self test is failed
253	//
254	REPORT_STATUS_CODE (
255	EFI_ERROR_CODE \| EFI_ERROR_MAJOR,
256	(EFI_COMPUTING_UNIT_HOST_PROCESSOR \| EFI_CU_HP_EC_SELF_TEST)
257	);
258	}
259	DEBUG ((EFI_D_INFO, " APICID - 0x%08x, BIST - 0x%08x\n",
260	(UINT32) ProcessorInfo.ProcessorId,
261	BistData
262	));
263	CpuInstanceInHob = PlatformInformationRecord2->CpuInstance;
264	CpuInstanceInHob[ProcessorNumber].CpuLocation = (UINT32) ProcessorInfo.ProcessorId;
265	CpuInstanceInHob[ProcessorNumber].InfoRecord.IA32HealthFlags = BistData;
266	}
267
268	//
269	// Build SecPlatformInformation2 PPI GUIDed HOB that also could be consumed
270	// by CPU MP driver to get CPU BIST data
271	//
272	BuildGuidDataHob (
273	&gEfiSecPlatformInformation2PpiGuid,
274	PlatformInformationRecord2,
275	(UINTN) BistInformationSize
276	);
277
278	if (SecPlatformInformation2 != NULL && NumberOfData < NumberOfProcessors) {
279	//
280	// Reinstall SecPlatformInformation2 PPI to include new BIST information
281	//
282	Status = PeiServicesReInstallPpi (
283	SecInformationDescriptor,
284	&mPeiSecPlatformInformation2Ppi
285	);
286	ASSERT_EFI_ERROR (Status);
287	} else {
288	//
289	// Install SecPlatformInformation2 PPI to include new BIST information
290	//
291	Status = PeiServicesInstallPpi (&mPeiSecPlatformInformation2Ppi);
292	ASSERT_EFI_ERROR(Status);
293	}
294	}
295

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source: vbox/trunk/src/VBox/Devices/EFI/FirmwareNew/UefiCpuPkg/CpuMpPei/CpuBist.c@ 77662

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