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/** @file
Definitions to install Multiple Processor PPI.
Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef _CPU_MP_PEI_H_
#define _CPU_MP_PEI_H_
#include <PiPei.h>
#include <Ppi/MpServices.h>
#include <Ppi/SecPlatformInformation.h>
#include <Ppi/SecPlatformInformation2.h>
#include <Ppi/EndOfPeiPhase.h>
#include <Register/Cpuid.h>
#include <Register/LocalApic.h>
#include <Library/BaseLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/DebugLib.h>
#include <Library/HobLib.h>
#include <Library/LocalApicLib.h>
#include <Library/MtrrLib.h>
#include <Library/PcdLib.h>
#include <Library/PeimEntryPoint.h>
#include <Library/PeiServicesLib.h>
#include <Library/ReportStatusCodeLib.h>
#include <Library/SynchronizationLib.h>
#include <Library/TimerLib.h>
#include <Library/UefiCpuLib.h>
#include "Microcode.h"
//
// AP state
//
typedef enum {
CpuStateIdle,
CpuStateBusy,
CpuStateDisabled
} CPU_STATE;
//
// AP reset code information
//
typedef struct {
UINT8 *RendezvousFunnelAddress;
UINTN PModeEntryOffset;
UINTN LModeEntryOffset;
UINTN RendezvousFunnelSize;
} MP_ASSEMBLY_ADDRESS_MAP;
//
// CPU exchange information for switch BSP
//
typedef struct {
UINT8 State; // offset 0
UINTN StackPointer; // offset 4 / 8
IA32_DESCRIPTOR Gdtr; // offset 8 / 16
IA32_DESCRIPTOR Idtr; // offset 14 / 26
} CPU_EXCHANGE_ROLE_INFO;
typedef struct _PEI_CPU_MP_DATA PEI_CPU_MP_DATA;
#pragma pack()
typedef union {
struct {
UINT32 LimitLow : 16;
UINT32 BaseLow : 16;
UINT32 BaseMid : 8;
UINT32 Type : 4;
UINT32 System : 1;
UINT32 Dpl : 2;
UINT32 Present : 1;
UINT32 LimitHigh : 4;
UINT32 Software : 1;
UINT32 Reserved : 1;
UINT32 DefaultSize : 1;
UINT32 Granularity : 1;
UINT32 BaseHigh : 8;
} Bits;
UINT64 Uint64;
} IA32_GDT;
//
// MP CPU exchange information for AP reset code
//
typedef struct {
UINTN Lock;
UINTN StackStart;
UINTN StackSize;
UINTN CFunction;
IA32_DESCRIPTOR GdtrProfile;
IA32_DESCRIPTOR IdtrProfile;
UINTN BufferStart;
UINTN PmodeOffset;
UINTN NumApsExecuting;
UINTN LmodeOffset;
UINTN Cr3;
PEI_CPU_MP_DATA *PeiCpuMpData;
} MP_CPU_EXCHANGE_INFO;
#pragma pack()
typedef struct {
UINTN Cr0;
UINTN Cr3;
UINTN Cr4;
UINTN Dr0;
UINTN Dr1;
UINTN Dr2;
UINTN Dr3;
UINTN Dr6;
UINTN Dr7;
} CPU_VOLATILE_REGISTERS;
typedef struct {
UINT32 ApicId;
EFI_HEALTH_FLAGS Health;
CPU_STATE State;
BOOLEAN CpuHealthy;
CPU_VOLATILE_REGISTERS VolatileRegisters;
} PEI_CPU_DATA;
//
// PEI CPU MP Data save in memory
//
struct _PEI_CPU_MP_DATA {
SPIN_LOCK MpLock;
UINT32 CpuCount;
UINT32 BspNumber;
UINTN Buffer;
UINTN CpuApStackSize;
MP_ASSEMBLY_ADDRESS_MAP AddressMap;
UINTN WakeupBuffer;
UINTN BackupBuffer;
UINTN BackupBufferSize;
UINTN ApFunction;
UINTN ApFunctionArgument;
volatile UINT32 FinishedCount;
BOOLEAN EndOfPeiFlag;
BOOLEAN InitFlag;
BOOLEAN X2ApicEnable;
CPU_EXCHANGE_ROLE_INFO BSPInfo;
CPU_EXCHANGE_ROLE_INFO APInfo;
MTRR_SETTINGS MtrrTable;
PEI_CPU_DATA *CpuData;
volatile MP_CPU_EXCHANGE_INFO *MpCpuExchangeInfo;
};
extern EFI_PEI_PPI_DESCRIPTOR mPeiCpuMpPpiDesc;
/**
Assembly code to get starting address and size of the rendezvous entry for APs.
Information for fixing a jump instruction in the code is also returned.
@param AddressMap Output buffer for address map information.
**/
VOID
EFIAPI
AsmGetAddressMap (
OUT MP_ASSEMBLY_ADDRESS_MAP *AddressMap
);
/**
Assembly code to load GDT table and update segment accordingly.
@param Gdtr Pointer to GDT descriptor
**/
VOID
EFIAPI
AsmInitializeGdt (
IN IA32_DESCRIPTOR *Gdtr
);
/**
Assembly code to do CLI-HALT loop.
**/
VOID
EFIAPI
AsmCliHltLoop (
VOID
);
/**
Get available system memory below 1MB by specified size.
@param PeiCpuMpData Pointer to PEI CPU MP Data
**/
VOID
BackupAndPrepareWakeupBuffer(
IN PEI_CPU_MP_DATA *PeiCpuMpData
);
/**
Restore wakeup buffer data.
@param PeiCpuMpData Pointer to PEI CPU MP Data
**/
VOID
RestoreWakeupBuffer(
IN PEI_CPU_MP_DATA *PeiCpuMpData
);
/**
Notify function on End Of Pei PPI.
On S3 boot, this function will restore wakeup buffer data.
On normal boot, this function will flag wakeup buffer to be un-used type.
@param PeiServices The pointer to the PEI Services Table.
@param NotifyDescriptor Address of the notification descriptor data structure.
@param Ppi Address of the PPI that was installed.
@retval EFI_SUCCESS When everything is OK.
**/
EFI_STATUS
EFIAPI
CpuMpEndOfPeiCallback (
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,
IN VOID *Ppi
);
/**
This function will be called by BSP to wakeup AP.
@param PeiCpuMpData Pointer to PEI CPU MP Data
@param Broadcast TRUE: Send broadcast IPI to all APs
FALSE: Send IPI to AP by ApicId
@param ApicId Apic ID for the processor to be waked
@param Procedure The function to be invoked by AP
@param ProcedureArgument The argument to be passed into AP function
**/
VOID
WakeUpAP (
IN PEI_CPU_MP_DATA *PeiCpuMpData,
IN BOOLEAN Broadcast,
IN UINT32 ApicId,
IN EFI_AP_PROCEDURE Procedure, OPTIONAL
IN VOID *ProcedureArgument OPTIONAL
);
/**
Get CPU MP Data pointer from the Guided HOB.
@return Pointer to Pointer to PEI CPU MP Data
**/
PEI_CPU_MP_DATA *
GetMpHobData (
VOID
);
/**
Find the current Processor number by APIC ID.
@param PeiCpuMpData Pointer to PEI CPU MP Data
@param ProcessorNumber Return the pocessor number found
@retval EFI_SUCCESS ProcessorNumber is found and returned.
@retval EFI_NOT_FOUND ProcessorNumber is not found.
**/
EFI_STATUS
GetProcessorNumber (
IN PEI_CPU_MP_DATA *PeiCpuMpData,
OUT UINTN *ProcessorNumber
);
/**
Collects BIST data from PPI.
This function collects BIST data from Sec Platform Information2 PPI
or SEC Platform Information PPI.
@param PeiServices Pointer to PEI Services Table
@param PeiCpuMpData Pointer to PEI CPU MP Data
**/
VOID
CollectBistDataFromPpi (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN PEI_CPU_MP_DATA *PeiCpuMpData
);
/**
Implementation of the PlatformInformation2 service in EFI_SEC_PLATFORM_INFORMATION2_PPI.
@param PeiServices The pointer to the PEI Services Table.
@param StructureSize The pointer to the variable describing size of the input buffer.
@param PlatformInformationRecord2 The pointer to the EFI_SEC_PLATFORM_INFORMATION_RECORD2.
@retval EFI_SUCCESS The data was successfully returned.
@retval EFI_BUFFER_TOO_SMALL The buffer was too small. The current buffer size needed to
hold the record is returned in StructureSize.
**/
EFI_STATUS
EFIAPI
SecPlatformInformation2 (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN OUT UINT64 *StructureSize,
OUT EFI_SEC_PLATFORM_INFORMATION_RECORD2 *PlatformInformationRecord2
);
#endif
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