| /** @file |
| Definitions for CPU S3 data. |
| |
| Copyright (c) 2013 - 2021, Intel Corporation. All rights reserved.<BR> |
| SPDX-License-Identifier: BSD-2-Clause-Patent |
| |
| **/ |
| |
| #ifndef _ACPI_CPU_DATA_H_ |
| #define _ACPI_CPU_DATA_H_ |
| |
| // |
| // This macro definition is used to fix incompatibility issue caused by |
| // ACPI_CPU_DATA structure update. It will be removed after all the platform |
| // code uses new ACPI_CPU_DATA structure. |
| // |
| #define ACPI_CPU_DATA_STRUCTURE_UPDATE |
| |
| // |
| // 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 used for CPU feature initialization during ACPI S3 |
| // resume. |
| // |
| typedef struct { |
| // |
| // 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; |
| // |
| // 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; |
| } CPU_FEATURE_INIT_DATA; |
| |
| // |
| // 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 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; |
| // |
| // Data structure that is used for CPU feature initialization during ACPI S3 |
| // resume. |
| // |
| CPU_FEATURE_INIT_DATA CpuFeatureInitData; |
| } ACPI_CPU_DATA; |
| |
| #endif |