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Diffstat (limited to 'src/VBox/Devices/EFI/Firmware/UefiCpuPkg/Include/AcpiCpuData.h')
| -rw-r--r-- | src/VBox/Devices/EFI/Firmware/UefiCpuPkg/Include/AcpiCpuData.h | 226 |
1 files changed, 226 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/UefiCpuPkg/Include/AcpiCpuData.h b/src/VBox/Devices/EFI/Firmware/UefiCpuPkg/Include/AcpiCpuData.h new file mode 100644 index 00000000..6265a47a --- /dev/null +++ b/src/VBox/Devices/EFI/Firmware/UefiCpuPkg/Include/AcpiCpuData.h @@ -0,0 +1,226 @@ +/** @file +Definitions for CPU S3 data. + +Copyright (c) 2013 - 2020, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef _ACPI_CPU_DATA_H_ +#define _ACPI_CPU_DATA_H_ + +// +// Register types in register table +// +typedef enum { + Msr, + ControlRegister, + MemoryMapped, + CacheControl, + + // + // Semaphore type used to control the execute sequence of the Msr. + // It will be insert between two Msr which has execute dependence. + // + Semaphore, + InvalidReg +} REGISTER_TYPE; + +// +// Describe the dependency type for different features. +// The value set to CPU_REGISTER_TABLE_ENTRY.Value when the REGISTER_TYPE is Semaphore. +// +typedef enum { + NoneDepType, + ThreadDepType, + CoreDepType, + PackageDepType, + InvalidDepType +} CPU_FEATURE_DEPENDENCE_TYPE; + +// +// CPU information. +// +typedef struct { + // + // Record the package count in this CPU. + // + UINT32 PackageCount; + // + // Record the max core count in this CPU. + // Different packages may have different core count, this value + // save the max core count in all the packages. + // + UINT32 MaxCoreCount; + // + // Record the max thread count in this CPU. + // Different cores may have different thread count, this value + // save the max thread count in all the cores. + // + UINT32 MaxThreadCount; + // + // This field points to an array. + // This array saves thread count (type UINT32) of each package. + // The array has PackageCount elements. + // + // If the platform does not support MSR setting at S3 resume, and + // therefore it doesn't need the dependency semaphores, it should set + // this field to 0. + // + EFI_PHYSICAL_ADDRESS ThreadCountPerPackage; + // + // This field points to an array. + // This array saves thread count (type UINT8) of each core. + // The array has PackageCount * MaxCoreCount elements. + // + // If the platform does not support MSR setting at S3 resume, and + // therefore it doesn't need the dependency semaphores, it should set + // this field to 0. + // + EFI_PHYSICAL_ADDRESS ThreadCountPerCore; +} CPU_STATUS_INFORMATION; + +// +// Element of register table entry +// +typedef struct { + REGISTER_TYPE RegisterType; // offset 0 - 3 + UINT32 Index; // offset 4 - 7 + UINT8 ValidBitStart; // offset 8 + UINT8 ValidBitLength; // offset 9 + BOOLEAN TestThenWrite; // offset 10 + UINT8 Reserved1; // offset 11 + UINT32 HighIndex; // offset 12-15, only valid for MemoryMapped + UINT64 Value; // offset 16-23 +} CPU_REGISTER_TABLE_ENTRY; + +// +// Register table definition, including current table length, +// allocated size of this table, and pointer to the list of table entries. +// +typedef struct { + // + // The number of valid entries in the RegisterTableEntry buffer + // + UINT32 TableLength; + UINT32 NumberBeforeReset; + // + // The size, in bytes, of the RegisterTableEntry buffer + // + UINT32 AllocatedSize; + // + // The initial APIC ID of the CPU this register table applies to + // + UINT32 InitialApicId; + // + // Physical address of CPU_REGISTER_TABLE_ENTRY structures. + // + EFI_PHYSICAL_ADDRESS RegisterTableEntry; +} CPU_REGISTER_TABLE; + +// +// Data structure that is required for ACPI S3 resume. The PCD +// PcdCpuS3DataAddress must be set to the physical address where this structure +// is allocated +// +typedef struct { + // + // Physical address of 4KB buffer allocated below 1MB from memory of type + // EfiReservedMemoryType. The buffer is not required to be initialized, but + // it is recommended that the buffer be zero-filled. This buffer is used to + // wake APs during an ACPI S3 resume. + // + EFI_PHYSICAL_ADDRESS StartupVector; + // + // Physical address of structure of type IA32_DESCRIPTOR. The + // IA32_DESCRIPTOR structure provides the base address and length of a GDT + // The GDT must be filled in with the GDT contents that are + // used during an ACPI S3 resume. This is typically the contents of the GDT + // used by the boot processor when the platform is booted. + // + EFI_PHYSICAL_ADDRESS GdtrProfile; + // + // Physical address of structure of type IA32_DESCRIPTOR. The + // IA32_DESCRIPTOR structure provides the base address and length of an IDT. + // The IDT must be filled in with the IDT contents that are + // used during an ACPI S3 resume. This is typically the contents of the IDT + // used by the boot processor when the platform is booted. + // + EFI_PHYSICAL_ADDRESS IdtrProfile; + // + // Physical address of a buffer that is used as stacks during ACPI S3 resume. + // The total size of this buffer, in bytes, is NumberOfCpus * StackSize. This + // structure must be allocated from memory of type EfiACPIMemoryNVS. + // + EFI_PHYSICAL_ADDRESS StackAddress; + // + // The size, in bytes, of the stack provided to each CPU during ACPI S3 resume. + // + UINT32 StackSize; + // + // The number of CPUs. If a platform does not support hot plug CPUs, then + // this is the number of CPUs detected when the platform is booted, regardless + // of being enabled or disabled. If a platform does support hot plug CPUs, + // then this is the maximum number of CPUs that the platform supports. + // + UINT32 NumberOfCpus; + // + // Physical address of structure of type MTRR_SETTINGS that contains a copy + // of the MTRR settings that are compatible with the MTRR settings used by + // the boot processor when the platform was booted. These MTRR settings are + // used during an ACPI S3 resume. + // + EFI_PHYSICAL_ADDRESS MtrrTable; + // + // Physical address of an array of CPU_REGISTER_TABLE structures, with + // NumberOfCpus entries. If a register table is not required, then the + // TableLength and AllocatedSize fields of CPU_REGISTER_TABLE are set to 0. + // If TableLength is > 0, then elements of RegisterTableEntry are used to + // initialize the CPU that matches InitialApicId, during an ACPI S3 resume, + // before SMBASE relocation is performed. + // If a register table is not required for any one of the CPUs, then + // PreSmmInitRegisterTable may be set to 0. + // + EFI_PHYSICAL_ADDRESS PreSmmInitRegisterTable; + // + // Physical address of an array of CPU_REGISTER_TABLE structures, with + // NumberOfCpus entries. If a register table is not required, then the + // TableLength and AllocatedSize fields of CPU_REGISTER_TABLE are set to 0. + // If TableLength is > 0, then elements of RegisterTableEntry are used to + // initialize the CPU that matches InitialApicId, during an ACPI S3 resume, + // after SMBASE relocation is performed. + // If a register table is not required for any one of the CPUs, then + // RegisterTable may be set to 0. + // + EFI_PHYSICAL_ADDRESS RegisterTable; + // + // Physical address of a buffer that contains the machine check handler that + // is used during an ACPI S3 Resume. In order for this machine check + // handler to be active on an AP during an ACPI S3 resume, the machine check + // vector in the IDT provided by IdtrProfile must be initialized to transfer + // control to this physical address. + // + EFI_PHYSICAL_ADDRESS ApMachineCheckHandlerBase; + // + // The size, in bytes, of the machine check handler that is used during an + // ACPI S3 Resume. If this field is 0, then a machine check handler is not + // provided. + // + UINT32 ApMachineCheckHandlerSize; + // + // CPU information which is required when set the register table. + // + CPU_STATUS_INFORMATION CpuStatus; + // + // Location info for each AP. + // It points to an array which saves all APs location info. + // The array count is the AP count in this CPU. + // + // If the platform does not support MSR setting at S3 resume, and + // therefore it doesn't need the dependency semaphores, it should set + // this field to 0. + // + EFI_PHYSICAL_ADDRESS ApLocation; +} ACPI_CPU_DATA; + +#endif |