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/** @file
CPU Register Table Library definitions.
Copyright (c) 2017 - 2020, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef _REGISTER_CPU_FEATURES_H_
#define _REGISTER_CPU_FEATURES_H_
#include <PiPei.h>
#include <PiDxe.h>
#include <Ppi/MpServices2.h>
#include <Protocol/MpService.h>
#include <Library/BaseLib.h>
#include <Library/DebugLib.h>
#include <Library/PcdLib.h>
#include <Library/RegisterCpuFeaturesLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/SynchronizationLib.h>
#include <Library/IoLib.h>
#include <Library/LocalApicLib.h>
#include <AcpiCpuData.h>
#define CPU_FEATURE_ENTRY_SIGNATURE SIGNATURE_32 ('C', 'F', 'E', 'S')
#define CPU_FEATURE_NAME_SIZE 128
typedef struct {
REGISTER_CPU_FEATURE_INFORMATION CpuInfo;
UINT8 *FeaturesSupportedMask;
LIST_ENTRY OrderList;
} CPU_FEATURES_INIT_ORDER;
typedef struct {
UINT32 Signature;
LIST_ENTRY Link;
UINT8 *FeatureMask;
CHAR8 *FeatureName;
CPU_FEATURE_GET_CONFIG_DATA GetConfigDataFunc;
CPU_FEATURE_SUPPORT SupportFunc;
CPU_FEATURE_INITIALIZE InitializeFunc;
UINT8 *ThreadBeforeFeatureBitMask;
UINT8 *ThreadAfterFeatureBitMask;
UINT8 *CoreBeforeFeatureBitMask;
UINT8 *CoreAfterFeatureBitMask;
UINT8 *PackageBeforeFeatureBitMask;
UINT8 *PackageAfterFeatureBitMask;
VOID *ConfigData;
BOOLEAN BeforeAll;
BOOLEAN AfterAll;
} CPU_FEATURES_ENTRY;
//
// Flags used when program the register.
//
typedef struct {
volatile UINTN MemoryMappedLock; // Spinlock used to program mmio
volatile UINT32 *CoreSemaphoreCount; // Semaphore containers used to program Core semaphore.
volatile UINT32 *PackageSemaphoreCount; // Semaphore containers used to program Package semaphore.
} PROGRAM_CPU_REGISTER_FLAGS;
typedef union {
EFI_MP_SERVICES_PROTOCOL *Protocol;
EDKII_PEI_MP_SERVICES2_PPI *Ppi;
} MP_SERVICES;
typedef struct {
UINTN FeaturesCount;
UINT32 BitMaskSize;
LIST_ENTRY FeatureList;
CPU_FEATURES_INIT_ORDER *InitOrder;
UINT8 *CapabilityPcd;
UINT8 *SettingPcd;
UINT32 NumberOfCpus;
ACPI_CPU_DATA *AcpiCpuData;
CPU_REGISTER_TABLE *RegisterTable;
CPU_REGISTER_TABLE *PreSmmRegisterTable;
UINTN BspNumber;
PROGRAM_CPU_REGISTER_FLAGS CpuFlags;
MP_SERVICES MpService;
} CPU_FEATURES_DATA;
#define CPU_FEATURE_ENTRY_FROM_LINK(a) \
CR ( \
(a), \
CPU_FEATURES_ENTRY, \
Link, \
CPU_FEATURE_ENTRY_SIGNATURE \
)
/**
Worker function to get CPU_FEATURES_DATA pointer.
@return Pointer to CPU_FEATURES_DATA.
**/
CPU_FEATURES_DATA *
GetCpuFeaturesData (
VOID
);
/**
Worker function to return processor index.
@param CpuFeaturesData Cpu Feature Data structure.
@return The processor index.
**/
UINTN
GetProcessorIndex (
IN CPU_FEATURES_DATA *CpuFeaturesData
);
/**
Gets detailed MP-related information on the requested processor at the
instant this call is made.
@param[in] ProcessorNumber The handle number of processor.
@param[out] ProcessorInfoBuffer A pointer to the buffer where information for
the requested processor is deposited.
@return Status of MpServices->GetProcessorInfo().
**/
EFI_STATUS
GetProcessorInformation (
IN UINTN ProcessorNumber,
OUT EFI_PROCESSOR_INFORMATION *ProcessorInfoBuffer
);
/**
Worker function to execute a caller provided function on all enabled APs.
@param[in] Procedure A pointer to the function to be run on
enabled APs of the system.
@param[in] MpEvent A pointer to the event to be used later
to check whether procedure has done.
**/
VOID
StartupAllAPsWorker (
IN EFI_AP_PROCEDURE Procedure,
IN EFI_EVENT MpEvent
);
/**
Worker function to retrieve the number of logical processor in the platform.
@param[out] NumberOfCpus Pointer to the total number of logical
processors in the system, including the BSP
and disabled APs.
@param[out] NumberOfEnabledProcessors Pointer to the number of enabled logical
processors that exist in system, including
the BSP.
**/
VOID
GetNumberOfProcessor (
OUT UINTN *NumberOfCpus,
OUT UINTN *NumberOfEnabledProcessors
);
/**
Worker function to switch the requested AP to be the BSP from that point onward.
@param[in] ProcessorNumber The handle number of AP that is to become the new BSP.
**/
VOID
SwitchNewBsp (
IN UINTN ProcessorNumber
);
/**
Function that uses DEBUG() macros to display the contents of a a CPU feature bit mask.
@param[in] FeatureMask A pointer to the CPU feature bit mask.
@param[in] BitMaskSize CPU feature bits mask buffer size.
**/
VOID
DumpCpuFeatureMask (
IN UINT8 *FeatureMask,
IN UINT32 BitMaskSize
);
/**
Dump CPU feature name or CPU feature bit mask.
@param[in] CpuFeature Pointer to CPU_FEATURES_ENTRY
@param[in] BitMaskSize CPU feature bits mask buffer size.
**/
VOID
DumpCpuFeature (
IN CPU_FEATURES_ENTRY *CpuFeature,
IN UINT32 BitMaskSize
);
/**
Return feature dependence result.
@param[in] CpuFeature Pointer to CPU feature.
@param[in] Before Check before dependence or after.
@param[in] NextCpuFeatureMask Pointer to next CPU feature Mask.
@retval return the dependence result.
**/
CPU_FEATURE_DEPENDENCE_TYPE
DetectFeatureScope (
IN CPU_FEATURES_ENTRY *CpuFeature,
IN BOOLEAN Before,
IN UINT8 *NextCpuFeatureMask
);
/**
Return feature dependence result.
@param[in] CpuFeature Pointer to CPU feature.
@param[in] Before Check before dependence or after.
@param[in] FeatureList Pointer to CPU feature list.
@retval return the dependence result.
**/
CPU_FEATURE_DEPENDENCE_TYPE
DetectNoneNeighborhoodFeatureScope (
IN CPU_FEATURES_ENTRY *CpuFeature,
IN BOOLEAN Before,
IN LIST_ENTRY *FeatureList
);
/**
Programs registers for the calling processor.
@param[in,out] Buffer The pointer to private data buffer.
**/
VOID
EFIAPI
SetProcessorRegister (
IN OUT VOID *Buffer
);
/**
Return ACPI_CPU_DATA data.
@return Pointer to ACPI_CPU_DATA data.
**/
ACPI_CPU_DATA *
GetAcpiCpuData (
VOID
);
/**
Worker function to get MP service pointer.
@return MP_SERVICES variable.
**/
MP_SERVICES
GetMpService (
VOID
);
#endif
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