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[mirror_edk2.git] / UefiCpuPkg / Include / AcpiCpuData.h
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1/** @file\r
2Definitions for CPU S3 data.\r
3\r
010753b7 4Copyright (c) 2013 - 2021, Intel Corporation. All rights reserved.<BR>\r
0acd8697 5SPDX-License-Identifier: BSD-2-Clause-Patent\r
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6\r
7**/\r
8\r
9#ifndef _ACPI_CPU_DATA_H_\r
10#define _ACPI_CPU_DATA_H_\r
11\r
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12//\r
13// This macro definition is used to fix incompatibility issue caused by\r
14// ACPI_CPU_DATA structure update. It will be removed after all the platform\r
15// code uses new ACPI_CPU_DATA structure.\r
16//\r
17#define ACPI_CPU_DATA_STRUCTURE_UPDATE\r
18\r
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19//\r
20// Register types in register table\r
21//\r
af381fda 22typedef enum {\r
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23 Msr,\r
24 ControlRegister,\r
25 MemoryMapped,\r
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26 CacheControl,\r
27\r
28 //\r
29 // Semaphore type used to control the execute sequence of the Msr.\r
30 // It will be insert between two Msr which has execute dependence.\r
31 //\r
32 Semaphore,\r
33 InvalidReg\r
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34} REGISTER_TYPE;\r
35\r
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36//\r
37// Describe the dependency type for different features.\r
38// The value set to CPU_REGISTER_TABLE_ENTRY.Value when the REGISTER_TYPE is Semaphore.\r
39//\r
40typedef enum {\r
41 NoneDepType,\r
42 ThreadDepType,\r
43 CoreDepType,\r
44 PackageDepType,\r
45 InvalidDepType\r
46} CPU_FEATURE_DEPENDENCE_TYPE;\r
47\r
48//\r
49// CPU information.\r
50//\r
51typedef struct {\r
52 //\r
53 // Record the package count in this CPU.\r
54 //\r
053e878b 55 UINT32 PackageCount;\r
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56 //\r
57 // Record the max core count in this CPU.\r
58 // Different packages may have different core count, this value\r
59 // save the max core count in all the packages.\r
60 //\r
053e878b 61 UINT32 MaxCoreCount;\r
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62 //\r
63 // Record the max thread count in this CPU.\r
64 // Different cores may have different thread count, this value\r
65 // save the max thread count in all the cores.\r
66 //\r
053e878b 67 UINT32 MaxThreadCount;\r
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68 //\r
69 // This field points to an array.\r
6af76adb 70 // This array saves thread count (type UINT32) of each package.\r
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71 // The array has PackageCount elements.\r
72 //\r
73 // If the platform does not support MSR setting at S3 resume, and\r
74 // therefore it doesn't need the dependency semaphores, it should set\r
75 // this field to 0.\r
76 //\r
053e878b 77 EFI_PHYSICAL_ADDRESS ThreadCountPerPackage;\r
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78 //\r
79 // This field points to an array.\r
80 // This array saves thread count (type UINT8) of each core.\r
81 // The array has PackageCount * MaxCoreCount elements.\r
82 //\r
83 // If the platform does not support MSR setting at S3 resume, and\r
84 // therefore it doesn't need the dependency semaphores, it should set\r
85 // this field to 0.\r
86 //\r
053e878b 87 EFI_PHYSICAL_ADDRESS ThreadCountPerCore;\r
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88} CPU_STATUS_INFORMATION;\r
89\r
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90//\r
91// Element of register table entry\r
92//\r
93typedef struct {\r
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94 REGISTER_TYPE RegisterType; // offset 0 - 3\r
95 UINT32 Index; // offset 4 - 7\r
96 UINT8 ValidBitStart; // offset 8\r
97 UINT8 ValidBitLength; // offset 9\r
98 BOOLEAN TestThenWrite; // offset 10\r
99 UINT8 Reserved1; // offset 11\r
100 UINT32 HighIndex; // offset 12-15, only valid for MemoryMapped\r
101 UINT64 Value; // offset 16-23\r
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102} CPU_REGISTER_TABLE_ENTRY;\r
103\r
104//\r
105// Register table definition, including current table length,\r
106// allocated size of this table, and pointer to the list of table entries.\r
107//\r
108typedef struct {\r
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109 //\r
110 // The number of valid entries in the RegisterTableEntry buffer\r
111 //\r
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112 UINT32 TableLength;\r
113 UINT32 NumberBeforeReset;\r
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114 //\r
115 // The size, in bytes, of the RegisterTableEntry buffer\r
116 //\r
053e878b 117 UINT32 AllocatedSize;\r
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118 //\r
119 // The initial APIC ID of the CPU this register table applies to\r
120 //\r
053e878b 121 UINT32 InitialApicId;\r
af381fda 122 //\r
fcd92f16 123 // Physical address of CPU_REGISTER_TABLE_ENTRY structures.\r
af381fda 124 //\r
053e878b 125 EFI_PHYSICAL_ADDRESS RegisterTableEntry;\r
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126} CPU_REGISTER_TABLE;\r
127\r
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128//\r
129// Data structure that is used for CPU feature initialization during ACPI S3\r
130// resume.\r
131//\r
132typedef struct {\r
133 //\r
134 // Physical address of an array of CPU_REGISTER_TABLE structures, with\r
135 // NumberOfCpus entries. If a register table is not required, then the\r
136 // TableLength and AllocatedSize fields of CPU_REGISTER_TABLE are set to 0.\r
137 // If TableLength is > 0, then elements of RegisterTableEntry are used to\r
138 // initialize the CPU that matches InitialApicId, during an ACPI S3 resume,\r
139 // before SMBASE relocation is performed.\r
140 // If a register table is not required for any one of the CPUs, then\r
141 // PreSmmInitRegisterTable may be set to 0.\r
142 //\r
143 EFI_PHYSICAL_ADDRESS PreSmmInitRegisterTable;\r
144 //\r
145 // Physical address of an array of CPU_REGISTER_TABLE structures, with\r
146 // NumberOfCpus entries. If a register table is not required, then the\r
147 // TableLength and AllocatedSize fields of CPU_REGISTER_TABLE are set to 0.\r
148 // If TableLength is > 0, then elements of RegisterTableEntry are used to\r
149 // initialize the CPU that matches InitialApicId, during an ACPI S3 resume,\r
150 // after SMBASE relocation is performed.\r
151 // If a register table is not required for any one of the CPUs, then\r
152 // RegisterTable may be set to 0.\r
153 //\r
053e878b 154 EFI_PHYSICAL_ADDRESS RegisterTable;\r
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155 //\r
156 // CPU information which is required when set the register table.\r
157 //\r
053e878b 158 CPU_STATUS_INFORMATION CpuStatus;\r
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159 //\r
160 // Location info for each AP.\r
161 // It points to an array which saves all APs location info.\r
162 // The array count is the AP count in this CPU.\r
163 //\r
164 // If the platform does not support MSR setting at S3 resume, and\r
165 // therefore it doesn't need the dependency semaphores, it should set\r
166 // this field to 0.\r
167 //\r
168 EFI_PHYSICAL_ADDRESS ApLocation;\r
169} CPU_FEATURE_INIT_DATA;\r
170\r
af381fda 171//\r
fcd92f16 172// Data structure that is required for ACPI S3 resume. The PCD\r
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173// PcdCpuS3DataAddress must be set to the physical address where this structure\r
174// is allocated\r
175//\r
1c27f926 176typedef struct {\r
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177 //\r
178 // Physical address of 4KB buffer allocated below 1MB from memory of type\r
179 // EfiReservedMemoryType. The buffer is not required to be initialized, but\r
180 // it is recommended that the buffer be zero-filled. This buffer is used to\r
181 // wake APs during an ACPI S3 resume.\r
182 //\r
053e878b 183 EFI_PHYSICAL_ADDRESS StartupVector;\r
af381fda 184 //\r
fcd92f16 185 // Physical address of structure of type IA32_DESCRIPTOR. The\r
af381fda 186 // IA32_DESCRIPTOR structure provides the base address and length of a GDT\r
fcd92f16 187 // The GDT must be filled in with the GDT contents that are\r
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188 // used during an ACPI S3 resume. This is typically the contents of the GDT\r
189 // used by the boot processor when the platform is booted.\r
190 //\r
053e878b 191 EFI_PHYSICAL_ADDRESS GdtrProfile;\r
af381fda 192 //\r
fcd92f16 193 // Physical address of structure of type IA32_DESCRIPTOR. The\r
af381fda 194 // IA32_DESCRIPTOR structure provides the base address and length of an IDT.\r
fcd92f16 195 // The IDT must be filled in with the IDT contents that are\r
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196 // used during an ACPI S3 resume. This is typically the contents of the IDT\r
197 // used by the boot processor when the platform is booted.\r
198 //\r
053e878b 199 EFI_PHYSICAL_ADDRESS IdtrProfile;\r
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200 //\r
201 // Physical address of a buffer that is used as stacks during ACPI S3 resume.\r
202 // The total size of this buffer, in bytes, is NumberOfCpus * StackSize. This\r
fcd92f16 203 // structure must be allocated from memory of type EfiACPIMemoryNVS.\r
af381fda 204 //\r
053e878b 205 EFI_PHYSICAL_ADDRESS StackAddress;\r
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206 //\r
207 // The size, in bytes, of the stack provided to each CPU during ACPI S3 resume.\r
208 //\r
053e878b 209 UINT32 StackSize;\r
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210 //\r
211 // The number of CPUs. If a platform does not support hot plug CPUs, then\r
212 // this is the number of CPUs detected when the platform is booted, regardless\r
213 // of being enabled or disabled. If a platform does support hot plug CPUs,\r
214 // then this is the maximum number of CPUs that the platform supports.\r
215 //\r
053e878b 216 UINT32 NumberOfCpus;\r
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217 //\r
218 // Physical address of structure of type MTRR_SETTINGS that contains a copy\r
219 // of the MTRR settings that are compatible with the MTRR settings used by\r
220 // the boot processor when the platform was booted. These MTRR settings are\r
fcd92f16 221 // used during an ACPI S3 resume.\r
af381fda 222 //\r
053e878b 223 EFI_PHYSICAL_ADDRESS MtrrTable;\r
1c27f926 224 //\r
af381fda 225 // Physical address of a buffer that contains the machine check handler that\r
fcd92f16 226 // is used during an ACPI S3 Resume. In order for this machine check\r
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227 // handler to be active on an AP during an ACPI S3 resume, the machine check\r
228 // vector in the IDT provided by IdtrProfile must be initialized to transfer\r
229 // control to this physical address.\r
230 //\r
053e878b 231 EFI_PHYSICAL_ADDRESS ApMachineCheckHandlerBase;\r
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232 //\r
233 // The size, in bytes, of the machine check handler that is used during an\r
234 // ACPI S3 Resume. If this field is 0, then a machine check handler is not\r
235 // provided.\r
236 //\r
053e878b 237 UINT32 ApMachineCheckHandlerSize;\r
d5aa2078 238 //\r
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239 // Data structure that is used for CPU feature initialization during ACPI S3\r
240 // resume.\r
d5aa2078 241 //\r
053e878b 242 CPU_FEATURE_INIT_DATA CpuFeatureInitData;\r
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243} ACPI_CPU_DATA;\r
244\r
245#endif\r