/** @file\r
Definitions to install Multiple Processor PPI.\r
\r
- Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>\r
+ Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved.<BR>\r
This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
#include <Ppi/SecPlatformInformation2.h>\r
#include <Ppi/EndOfPeiPhase.h>\r
\r
-#include <Register/Cpuid.h>\r
-#include <Register/LocalApic.h>\r
-\r
#include <Library/BaseLib.h>\r
-#include <Library/BaseMemoryLib.h>\r
#include <Library/DebugLib.h>\r
#include <Library/HobLib.h>\r
#include <Library/LocalApicLib.h>\r
-#include <Library/MtrrLib.h>\r
-#include <Library/PcdLib.h>\r
#include <Library/PeimEntryPoint.h>\r
#include <Library/PeiServicesLib.h>\r
#include <Library/ReportStatusCodeLib.h>\r
-#include <Library/SynchronizationLib.h>\r
-#include <Library/TimerLib.h>\r
-#include <Library/UefiCpuLib.h>\r
-#include <Library/CpuLib.h>\r
-\r
-#include "Microcode.h"\r
-\r
-//\r
-// AP state\r
-//\r
-typedef enum {\r
- CpuStateIdle,\r
- CpuStateBusy,\r
- CpuStateDisabled\r
-} CPU_STATE;\r
-\r
-#define WAKEUP_AP_SIGNAL SIGNATURE_32 ('S', 'T', 'A', 'P')\r
-\r
-typedef enum {\r
- ApInHltLoop = 1,\r
- ApInMwaitLoop = 2,\r
- ApInRunLoop = 3\r
-} AP_LOOP_MODE;\r
-\r
-//\r
-// AP reset code information\r
-//\r
-typedef struct {\r
- UINT8 *RendezvousFunnelAddress;\r
- UINTN PModeEntryOffset;\r
- UINTN LModeEntryOffset;\r
- UINTN RendezvousFunnelSize;\r
-} MP_ASSEMBLY_ADDRESS_MAP;\r
-\r
-//\r
-// CPU exchange information for switch BSP\r
-//\r
-typedef struct {\r
- UINT8 State; // offset 0\r
- UINTN StackPointer; // offset 4 / 8\r
- IA32_DESCRIPTOR Gdtr; // offset 8 / 16\r
- IA32_DESCRIPTOR Idtr; // offset 14 / 26\r
-} CPU_EXCHANGE_ROLE_INFO;\r
-\r
-typedef struct _PEI_CPU_MP_DATA PEI_CPU_MP_DATA;\r
-\r
-#pragma pack(1)\r
-\r
-typedef union {\r
- struct {\r
- UINT32 LimitLow : 16;\r
- UINT32 BaseLow : 16;\r
- UINT32 BaseMid : 8;\r
- UINT32 Type : 4;\r
- UINT32 System : 1;\r
- UINT32 Dpl : 2;\r
- UINT32 Present : 1;\r
- UINT32 LimitHigh : 4;\r
- UINT32 Software : 1;\r
- UINT32 Reserved : 1;\r
- UINT32 DefaultSize : 1;\r
- UINT32 Granularity : 1;\r
- UINT32 BaseHigh : 8;\r
- } Bits;\r
- UINT64 Uint64;\r
-} IA32_GDT;\r
-\r
-//\r
-// MP CPU exchange information for AP reset code\r
-// This structure is required to be packed because fixed field offsets\r
-// into this structure are used in assembly code in this module\r
-//\r
-typedef struct {\r
- UINTN Lock;\r
- UINTN StackStart;\r
- UINTN StackSize;\r
- UINTN CFunction;\r
- IA32_DESCRIPTOR GdtrProfile;\r
- IA32_DESCRIPTOR IdtrProfile;\r
- UINTN BufferStart;\r
- UINTN PmodeOffset;\r
- UINTN NumApsExecuting;\r
- UINTN LmodeOffset;\r
- UINTN Cr3;\r
- PEI_CPU_MP_DATA *PeiCpuMpData;\r
-} MP_CPU_EXCHANGE_INFO;\r
-\r
-#pragma pack()\r
-\r
-typedef struct {\r
- UINTN Cr0;\r
- UINTN Cr3;\r
- UINTN Cr4;\r
- UINTN Dr0;\r
- UINTN Dr1;\r
- UINTN Dr2;\r
- UINTN Dr3;\r
- UINTN Dr6;\r
- UINTN Dr7;\r
-} CPU_VOLATILE_REGISTERS;\r
-\r
-typedef struct {\r
- volatile UINT32 *StartupApSignal;\r
- UINT32 ApicId;\r
- EFI_HEALTH_FLAGS Health;\r
- CPU_STATE State;\r
- BOOLEAN CpuHealthy;\r
- CPU_VOLATILE_REGISTERS VolatileRegisters;\r
-} PEI_CPU_DATA;\r
-\r
-//\r
-// PEI CPU MP Data save in memory\r
-//\r
-struct _PEI_CPU_MP_DATA {\r
- SPIN_LOCK MpLock;\r
- UINT32 CpuCount;\r
- UINT32 BspNumber;\r
- UINTN Buffer;\r
- UINTN CpuApStackSize;\r
- MP_ASSEMBLY_ADDRESS_MAP AddressMap;\r
- UINTN WakeupBuffer;\r
- UINTN BackupBuffer;\r
- UINTN BackupBufferSize;\r
- UINTN ApFunction;\r
- UINTN ApFunctionArgument;\r
- volatile UINT32 FinishedCount;\r
- BOOLEAN EndOfPeiFlag;\r
- BOOLEAN InitFlag;\r
- BOOLEAN X2ApicEnable;\r
- CPU_EXCHANGE_ROLE_INFO BSPInfo;\r
- CPU_EXCHANGE_ROLE_INFO APInfo;\r
- MTRR_SETTINGS MtrrTable;\r
- UINT8 ApLoopMode;\r
- UINT8 ApTargetCState;\r
- PEI_CPU_DATA *CpuData;\r
- volatile MP_CPU_EXCHANGE_INFO *MpCpuExchangeInfo;\r
-};\r
-extern EFI_PEI_PPI_DESCRIPTOR mPeiCpuMpPpiDesc;\r
+#include <Library/CpuExceptionHandlerLib.h>\r
+#include <Library/MpInitLib.h>\r
+#include <Library/BaseMemoryLib.h>\r
\r
+extern EFI_PEI_PPI_DESCRIPTOR mPeiCpuMpPpiDesc;\r
\r
/**\r
- Assembly code to get starting address and size of the rendezvous entry for APs.\r
- Information for fixing a jump instruction in the code is also returned.\r
-\r
- @param AddressMap Output buffer for address map information.\r
+ This service retrieves the number of logical processor in the platform\r
+ and the number of those logical processors that are enabled on this boot.\r
+ This service may only be called from the BSP.\r
+\r
+ This function is used to retrieve the following information:\r
+ - The number of logical processors that are present in the system.\r
+ - The number of enabled logical processors in the system at the instant\r
+ this call is made.\r
+\r
+ Because MP Service Ppi provides services to enable and disable processors\r
+ dynamically, the number of enabled logical processors may vary during the\r
+ course of a boot session.\r
+\r
+ If this service is called from an AP, then EFI_DEVICE_ERROR is returned.\r
+ If NumberOfProcessors or NumberOfEnabledProcessors is NULL, then\r
+ EFI_INVALID_PARAMETER is returned. Otherwise, the total number of processors\r
+ is returned in NumberOfProcessors, the number of currently enabled processor\r
+ is returned in NumberOfEnabledProcessors, and EFI_SUCCESS is returned.\r
+\r
+ @param[in] PeiServices An indirect pointer to the PEI Services Table\r
+ published by the PEI Foundation.\r
+ @param[in] This Pointer to this instance of the PPI.\r
+ @param[out] NumberOfProcessors Pointer to the total number of logical processors in\r
+ the system, including the BSP and disabled APs.\r
+ @param[out] NumberOfEnabledProcessors\r
+ Number of processors in the system that are enabled.\r
+\r
+ @retval EFI_SUCCESS The number of logical processors and enabled\r
+ logical processors was retrieved.\r
+ @retval EFI_DEVICE_ERROR The calling processor is an AP.\r
+ @retval EFI_INVALID_PARAMETER NumberOfProcessors is NULL.\r
+ NumberOfEnabledProcessors is NULL.\r
**/\r
-VOID\r
+EFI_STATUS\r
EFIAPI\r
-AsmGetAddressMap (\r
- OUT MP_ASSEMBLY_ADDRESS_MAP *AddressMap\r
+PeiGetNumberOfProcessors (\r
+ IN CONST EFI_PEI_SERVICES **PeiServices,\r
+ IN EFI_PEI_MP_SERVICES_PPI *This,\r
+ OUT UINTN *NumberOfProcessors,\r
+ OUT UINTN *NumberOfEnabledProcessors\r
);\r
\r
/**\r
- Assembly code to load GDT table and update segment accordingly.\r
-\r
- @param Gdtr Pointer to GDT descriptor\r
+ Gets detailed MP-related information on the requested processor at the\r
+ instant this call is made. This service may only be called from the BSP.\r
+\r
+ This service retrieves detailed MP-related information about any processor\r
+ on the platform. Note the following:\r
+ - The processor information may change during the course of a boot session.\r
+ - The information presented here is entirely MP related.\r
+\r
+ Information regarding the number of caches and their sizes, frequency of operation,\r
+ slot numbers is all considered platform-related information and is not provided\r
+ by this service.\r
+\r
+ @param[in] PeiServices An indirect pointer to the PEI Services Table\r
+ published by the PEI Foundation.\r
+ @param[in] This Pointer to this instance of the PPI.\r
+ @param[in] ProcessorNumber Pointer to the total number of logical processors in\r
+ the system, including the BSP and disabled APs.\r
+ @param[out] ProcessorInfoBuffer Number of processors in the system that are enabled.\r
+\r
+ @retval EFI_SUCCESS Processor information was returned.\r
+ @retval EFI_DEVICE_ERROR The calling processor is an AP.\r
+ @retval EFI_INVALID_PARAMETER ProcessorInfoBuffer is NULL.\r
+ @retval EFI_NOT_FOUND The processor with the handle specified by\r
+ ProcessorNumber does not exist in the platform.\r
**/\r
-VOID\r
+EFI_STATUS\r
EFIAPI\r
-AsmInitializeGdt (\r
- IN IA32_DESCRIPTOR *Gdtr\r
+PeiGetProcessorInfo (\r
+ IN CONST EFI_PEI_SERVICES **PeiServices,\r
+ IN EFI_PEI_MP_SERVICES_PPI *This,\r
+ IN UINTN ProcessorNumber,\r
+ OUT EFI_PROCESSOR_INFORMATION *ProcessorInfoBuffer\r
);\r
\r
/**\r
- Assembly code to do CLI-HALT loop.\r
-\r
+ This service executes a caller provided function on all enabled APs. APs can\r
+ run either simultaneously or one at a time in sequence. This service supports\r
+ both blocking requests only. This service may only\r
+ be called from the BSP.\r
+\r
+ This function is used to dispatch all the enabled APs to the function specified\r
+ by Procedure. If any enabled AP is busy, then EFI_NOT_READY is returned\r
+ immediately and Procedure is not started on any AP.\r
+\r
+ If SingleThread is TRUE, all the enabled APs execute the function specified by\r
+ Procedure one by one, in ascending order of processor handle number. Otherwise,\r
+ all the enabled APs execute the function specified by Procedure simultaneously.\r
+\r
+ If the timeout specified by TimeoutInMicroSeconds expires before all APs return\r
+ from Procedure, then Procedure on the failed APs is terminated. All enabled APs\r
+ are always available for further calls to EFI_PEI_MP_SERVICES_PPI.StartupAllAPs()\r
+ and EFI_PEI_MP_SERVICES_PPI.StartupThisAP(). If FailedCpuList is not NULL, its\r
+ content points to the list of processor handle numbers in which Procedure was\r
+ terminated.\r
+\r
+ Note: It is the responsibility of the consumer of the EFI_PEI_MP_SERVICES_PPI.StartupAllAPs()\r
+ to make sure that the nature of the code that is executed on the BSP and the\r
+ dispatched APs is well controlled. The MP Services Ppi does not guarantee\r
+ that the Procedure function is MP-safe. Hence, the tasks that can be run in\r
+ parallel are limited to certain independent tasks and well-controlled exclusive\r
+ code. PEI services and Ppis may not be called by APs unless otherwise\r
+ specified.\r
+\r
+ In blocking execution mode, BSP waits until all APs finish or\r
+ TimeoutInMicroSeconds expires.\r
+\r
+ @param[in] PeiServices An indirect pointer to the PEI Services Table\r
+ published by the PEI Foundation.\r
+ @param[in] This A pointer to the EFI_PEI_MP_SERVICES_PPI instance.\r
+ @param[in] Procedure A pointer to the function to be run on enabled APs of\r
+ the system.\r
+ @param[in] SingleThread If TRUE, then all the enabled APs execute the function\r
+ specified by Procedure one by one, in ascending order\r
+ of processor handle number. If FALSE, then all the\r
+ enabled APs execute the function specified by Procedure\r
+ simultaneously.\r
+ @param[in] TimeoutInMicroSeconds\r
+ Indicates the time limit in microseconds for APs to\r
+ return from Procedure, for blocking mode only. Zero\r
+ means infinity. If the timeout expires before all APs\r
+ return from Procedure, then Procedure on the failed APs\r
+ is terminated. All enabled APs are available for next\r
+ function assigned by EFI_PEI_MP_SERVICES_PPI.StartupAllAPs()\r
+ or EFI_PEI_MP_SERVICES_PPI.StartupThisAP(). If the\r
+ timeout expires in blocking mode, BSP returns\r
+ EFI_TIMEOUT.\r
+ @param[in] ProcedureArgument The parameter passed into Procedure for all APs.\r
+\r
+ @retval EFI_SUCCESS In blocking mode, all APs have finished before the\r
+ timeout expired.\r
+ @retval EFI_DEVICE_ERROR Caller processor is AP.\r
+ @retval EFI_NOT_STARTED No enabled APs exist in the system.\r
+ @retval EFI_NOT_READY Any enabled APs are busy.\r
+ @retval EFI_TIMEOUT In blocking mode, the timeout expired before all\r
+ enabled APs have finished.\r
+ @retval EFI_INVALID_PARAMETER Procedure is NULL.\r
**/\r
-VOID\r
+EFI_STATUS\r
EFIAPI\r
-AsmCliHltLoop (\r
- VOID\r
+PeiStartupAllAPs (\r
+ IN CONST EFI_PEI_SERVICES **PeiServices,\r
+ IN EFI_PEI_MP_SERVICES_PPI *This,\r
+ IN EFI_AP_PROCEDURE Procedure,\r
+ IN BOOLEAN SingleThread,\r
+ IN UINTN TimeoutInMicroSeconds,\r
+ IN VOID *ProcedureArgument OPTIONAL\r
);\r
\r
/**\r
- Get available system memory below 1MB by specified size.\r
-\r
- @param PeiCpuMpData Pointer to PEI CPU MP Data\r
-**/\r
-VOID\r
-BackupAndPrepareWakeupBuffer(\r
- IN PEI_CPU_MP_DATA *PeiCpuMpData\r
- );\r
-\r
-/**\r
- Restore wakeup buffer data.\r
-\r
- @param PeiCpuMpData Pointer to PEI CPU MP Data\r
-**/\r
-VOID\r
-RestoreWakeupBuffer(\r
- IN PEI_CPU_MP_DATA *PeiCpuMpData\r
- );\r
-\r
-/**\r
- Notify function on End Of Pei PPI.\r
-\r
- On S3 boot, this function will restore wakeup buffer data.\r
- On normal boot, this function will flag wakeup buffer to be un-used type.\r
-\r
- @param PeiServices The pointer to the PEI Services Table.\r
- @param NotifyDescriptor Address of the notification descriptor data structure.\r
- @param Ppi Address of the PPI that was installed.\r
-\r
- @retval EFI_SUCCESS When everything is OK.\r
-\r
+ This service lets the caller get one enabled AP to execute a caller-provided\r
+ function. The caller can request the BSP to wait for the completion\r
+ of the AP. This service may only be called from the BSP.\r
+\r
+ This function is used to dispatch one enabled AP to the function specified by\r
+ Procedure passing in the argument specified by ProcedureArgument.\r
+ The execution is in blocking mode. The BSP waits until the AP finishes or\r
+ TimeoutInMicroSecondss expires.\r
+\r
+ If the timeout specified by TimeoutInMicroseconds expires before the AP returns\r
+ from Procedure, then execution of Procedure by the AP is terminated. The AP is\r
+ available for subsequent calls to EFI_PEI_MP_SERVICES_PPI.StartupAllAPs() and\r
+ EFI_PEI_MP_SERVICES_PPI.StartupThisAP().\r
+\r
+ @param[in] PeiServices An indirect pointer to the PEI Services Table\r
+ published by the PEI Foundation.\r
+ @param[in] This A pointer to the EFI_PEI_MP_SERVICES_PPI instance.\r
+ @param[in] Procedure A pointer to the function to be run on enabled APs of\r
+ the system.\r
+ @param[in] ProcessorNumber The handle number of the AP. The range is from 0 to the\r
+ total number of logical processors minus 1. The total\r
+ number of logical processors can be retrieved by\r
+ EFI_PEI_MP_SERVICES_PPI.GetNumberOfProcessors().\r
+ @param[in] TimeoutInMicroseconds\r
+ Indicates the time limit in microseconds for APs to\r
+ return from Procedure, for blocking mode only. Zero\r
+ means infinity. If the timeout expires before all APs\r
+ return from Procedure, then Procedure on the failed APs\r
+ is terminated. All enabled APs are available for next\r
+ function assigned by EFI_PEI_MP_SERVICES_PPI.StartupAllAPs()\r
+ or EFI_PEI_MP_SERVICES_PPI.StartupThisAP(). If the\r
+ timeout expires in blocking mode, BSP returns\r
+ EFI_TIMEOUT.\r
+ @param[in] ProcedureArgument The parameter passed into Procedure for all APs.\r
+\r
+ @retval EFI_SUCCESS In blocking mode, specified AP finished before the\r
+ timeout expires.\r
+ @retval EFI_DEVICE_ERROR The calling processor is an AP.\r
+ @retval EFI_TIMEOUT In blocking mode, the timeout expired before the\r
+ specified AP has finished.\r
+ @retval EFI_NOT_FOUND The processor with the handle specified by\r
+ ProcessorNumber does not exist.\r
+ @retval EFI_INVALID_PARAMETER ProcessorNumber specifies the BSP or disabled AP.\r
+ @retval EFI_INVALID_PARAMETER Procedure is NULL.\r
**/\r
EFI_STATUS\r
EFIAPI\r
-CpuMpEndOfPeiCallback (\r
- IN EFI_PEI_SERVICES **PeiServices,\r
- IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,\r
- IN VOID *Ppi\r
+PeiStartupThisAP (\r
+ IN CONST EFI_PEI_SERVICES **PeiServices,\r
+ IN EFI_PEI_MP_SERVICES_PPI *This,\r
+ IN EFI_AP_PROCEDURE Procedure,\r
+ IN UINTN ProcessorNumber,\r
+ IN UINTN TimeoutInMicroseconds,\r
+ IN VOID *ProcedureArgument OPTIONAL\r
);\r
\r
/**\r
- This function will be called by BSP to wakeup AP.\r
-\r
- @param PeiCpuMpData Pointer to PEI CPU MP Data\r
- @param Broadcast TRUE: Send broadcast IPI to all APs\r
- FALSE: Send IPI to AP by ApicId\r
- @param ProcessorNumber The handle number of specified processor\r
- @param Procedure The function to be invoked by AP\r
- @param ProcedureArgument The argument to be passed into AP function\r
+ This service switches the requested AP to be the BSP from that point onward.\r
+ This service changes the BSP for all purposes. This call can only be performed\r
+ by the current BSP.\r
+\r
+ This service switches the requested AP to be the BSP from that point onward.\r
+ This service changes the BSP for all purposes. The new BSP can take over the\r
+ execution of the old BSP and continue seamlessly from where the old one left\r
+ off.\r
+\r
+ If the BSP cannot be switched prior to the return from this service, then\r
+ EFI_UNSUPPORTED must be returned.\r
+\r
+ @param[in] PeiServices An indirect pointer to the PEI Services Table\r
+ published by the PEI Foundation.\r
+ @param[in] This A pointer to the EFI_PEI_MP_SERVICES_PPI instance.\r
+ @param[in] ProcessorNumber The handle number of the AP. The range is from 0 to the\r
+ total number of logical processors minus 1. The total\r
+ number of logical processors can be retrieved by\r
+ EFI_PEI_MP_SERVICES_PPI.GetNumberOfProcessors().\r
+ @param[in] EnableOldBSP If TRUE, then the old BSP will be listed as an enabled\r
+ AP. Otherwise, it will be disabled.\r
+\r
+ @retval EFI_SUCCESS BSP successfully switched.\r
+ @retval EFI_UNSUPPORTED Switching the BSP cannot be completed prior to this\r
+ service returning.\r
+ @retval EFI_UNSUPPORTED Switching the BSP is not supported.\r
+ @retval EFI_DEVICE_ERROR The calling processor is an AP.\r
+ @retval EFI_NOT_FOUND The processor with the handle specified by\r
+ ProcessorNumber does not exist.\r
+ @retval EFI_INVALID_PARAMETER ProcessorNumber specifies the current BSP or a disabled\r
+ AP.\r
+ @retval EFI_NOT_READY The specified AP is busy.\r
**/\r
-VOID\r
-WakeUpAP (\r
- IN PEI_CPU_MP_DATA *PeiCpuMpData,\r
- IN BOOLEAN Broadcast,\r
- IN UINTN ProcessorNumber,\r
- IN EFI_AP_PROCEDURE Procedure, OPTIONAL\r
- IN VOID *ProcedureArgument OPTIONAL\r
+EFI_STATUS\r
+EFIAPI\r
+PeiSwitchBSP (\r
+ IN CONST EFI_PEI_SERVICES **PeiServices,\r
+ IN EFI_PEI_MP_SERVICES_PPI *This,\r
+ IN UINTN ProcessorNumber,\r
+ IN BOOLEAN EnableOldBSP\r
);\r
\r
/**\r
- Get CPU MP Data pointer from the Guided HOB.\r
-\r
- @return Pointer to Pointer to PEI CPU MP Data\r
+ This service lets the caller enable or disable an AP from this point onward.\r
+ This service may only be called from the BSP.\r
+\r
+ This service allows the caller enable or disable an AP from this point onward.\r
+ The caller can optionally specify the health status of the AP by Health. If\r
+ an AP is being disabled, then the state of the disabled AP is implementation\r
+ dependent. If an AP is enabled, then the implementation must guarantee that a\r
+ complete initialization sequence is performed on the AP, so the AP is in a state\r
+ that is compatible with an MP operating system.\r
+\r
+ If the enable or disable AP operation cannot be completed prior to the return\r
+ from this service, then EFI_UNSUPPORTED must be returned.\r
+\r
+ @param[in] PeiServices An indirect pointer to the PEI Services Table\r
+ published by the PEI Foundation.\r
+ @param[in] This A pointer to the EFI_PEI_MP_SERVICES_PPI instance.\r
+ @param[in] ProcessorNumber The handle number of the AP. The range is from 0 to the\r
+ total number of logical processors minus 1. The total\r
+ number of logical processors can be retrieved by\r
+ EFI_PEI_MP_SERVICES_PPI.GetNumberOfProcessors().\r
+ @param[in] EnableAP Specifies the new state for the processor for enabled,\r
+ FALSE for disabled.\r
+ @param[in] HealthFlag If not NULL, a pointer to a value that specifies the\r
+ new health status of the AP. This flag corresponds to\r
+ StatusFlag defined in EFI_PEI_MP_SERVICES_PPI.GetProcessorInfo().\r
+ Only the PROCESSOR_HEALTH_STATUS_BIT is used. All other\r
+ bits are ignored. If it is NULL, this parameter is\r
+ ignored.\r
+\r
+ @retval EFI_SUCCESS The specified AP was enabled or disabled successfully.\r
+ @retval EFI_UNSUPPORTED Enabling or disabling an AP cannot be completed prior\r
+ to this service returning.\r
+ @retval EFI_UNSUPPORTED Enabling or disabling an AP is not supported.\r
+ @retval EFI_DEVICE_ERROR The calling processor is an AP.\r
+ @retval EFI_NOT_FOUND Processor with the handle specified by ProcessorNumber\r
+ does not exist.\r
+ @retval EFI_INVALID_PARAMETER ProcessorNumber specifies the BSP.\r
**/\r
-PEI_CPU_MP_DATA *\r
-GetMpHobData (\r
- VOID\r
+EFI_STATUS\r
+EFIAPI\r
+PeiEnableDisableAP (\r
+ IN CONST EFI_PEI_SERVICES **PeiServices,\r
+ IN EFI_PEI_MP_SERVICES_PPI *This,\r
+ IN UINTN ProcessorNumber,\r
+ IN BOOLEAN EnableAP,\r
+ IN UINT32 *HealthFlag OPTIONAL\r
);\r
\r
/**\r
- Find the current Processor number by APIC ID.\r
-\r
- @param PeiCpuMpData Pointer to PEI CPU MP Data\r
- @param ProcessorNumber Return the pocessor number found\r
-\r
- @retval EFI_SUCCESS ProcessorNumber is found and returned.\r
- @retval EFI_NOT_FOUND ProcessorNumber is not found.\r
+ This return the handle number for the calling processor. This service may be\r
+ called from the BSP and APs.\r
+\r
+ This service returns the processor handle number for the calling processor.\r
+ The returned value is in the range from 0 to the total number of logical\r
+ processors minus 1. The total number of logical processors can be retrieved\r
+ with EFI_PEI_MP_SERVICES_PPI.GetNumberOfProcessors(). This service may be\r
+ called from the BSP and APs. If ProcessorNumber is NULL, then EFI_INVALID_PARAMETER\r
+ is returned. Otherwise, the current processors handle number is returned in\r
+ ProcessorNumber, and EFI_SUCCESS is returned.\r
+\r
+ @param[in] PeiServices An indirect pointer to the PEI Services Table\r
+ published by the PEI Foundation.\r
+ @param[in] This A pointer to the EFI_PEI_MP_SERVICES_PPI instance.\r
+ @param[out] ProcessorNumber The handle number of the AP. The range is from 0 to the\r
+ total number of logical processors minus 1. The total\r
+ number of logical processors can be retrieved by\r
+ EFI_PEI_MP_SERVICES_PPI.GetNumberOfProcessors().\r
+\r
+ @retval EFI_SUCCESS The current processor handle number was returned in\r
+ ProcessorNumber.\r
+ @retval EFI_INVALID_PARAMETER ProcessorNumber is NULL.\r
**/\r
EFI_STATUS\r
-GetProcessorNumber (\r
- IN PEI_CPU_MP_DATA *PeiCpuMpData,\r
- OUT UINTN *ProcessorNumber\r
+EFIAPI\r
+PeiWhoAmI (\r
+ IN CONST EFI_PEI_SERVICES **PeiServices,\r
+ IN EFI_PEI_MP_SERVICES_PPI *This,\r
+ OUT UINTN *ProcessorNumber\r
);\r
\r
/**\r
or SEC Platform Information PPI.\r
\r
@param PeiServices Pointer to PEI Services Table\r
- @param PeiCpuMpData Pointer to PEI CPU MP Data\r
\r
**/\r
VOID\r
CollectBistDataFromPpi (\r
- IN CONST EFI_PEI_SERVICES **PeiServices,\r
- IN PEI_CPU_MP_DATA *PeiCpuMpData\r
+ IN CONST EFI_PEI_SERVICES **PeiServices\r
);\r
\r
/**\r
projects / mirror_edk2.git / blobdiff