[mirror_edk2.git] / UefiCpuPkg / Library / MpInitLib / MpLib.h

/** @file\r
  Common header file for MP Initialize Library.\r
\r
  Copyright (c) 2016 - 2017, 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
  http://opensource.org/licenses/bsd-license.php\r
\r
  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
**/\r
\r
#ifndef _MP_LIB_H_\r
#define _MP_LIB_H_\r
\r
#include <PiPei.h>\r
\r
#include <Register/Cpuid.h>\r
#include <Register/Msr.h>\r
#include <Register/LocalApic.h>\r
#include <Register/Microcode.h>\r
\r
#include <Library/MpInitLib.h>\r
#include <Library/BaseLib.h>\r
#include <Library/BaseMemoryLib.h>\r
#include <Library/MemoryAllocationLib.h>\r
#include <Library/DebugLib.h>\r
#include <Library/LocalApicLib.h>\r
#include <Library/CpuLib.h>\r
#include <Library/UefiCpuLib.h>\r
#include <Library/TimerLib.h>\r
#include <Library/SynchronizationLib.h>\r
#include <Library/MtrrLib.h>\r
#include <Library/HobLib.h>\r
\r
#define WAKEUP_AP_SIGNAL SIGNATURE_32 ('S', 'T', 'A', 'P')\r
\r
#define CPU_INIT_MP_LIB_HOB_GUID \\r
  { \\r
    0x58eb6a19, 0x3699, 0x4c68, { 0xa8, 0x36, 0xda, 0xcd, 0x8e, 0xdc, 0xad, 0x4a } \\r
  }\r
\r
//\r
//  The MP data for switch BSP\r
//\r
#define CPU_SWITCH_STATE_IDLE   0\r
#define CPU_SWITCH_STATE_STORED 1\r
#define CPU_SWITCH_STATE_LOADED 2\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
//\r
// AP loop state when APs are in idle state\r
// It's value is the same with PcdCpuApLoopMode\r
//\r
typedef enum {\r
  ApInHltLoop   = 1,\r
  ApInMwaitLoop = 2,\r
  ApInRunLoop   = 3\r
} AP_LOOP_MODE;\r
\r
//\r
// AP initialization state during APs wakeup\r
//\r
typedef enum {\r
  ApInitConfig   = 1,\r
  ApInitReconfig = 2,\r
  ApInitDone     = 3\r
} AP_INIT_STATE;\r
\r
//\r
// AP state\r
//\r
typedef enum {\r
  CpuStateIdle,\r
  CpuStateReady,\r
  CpuStateBusy,\r
  CpuStateFinished,\r
  CpuStateDisabled\r
} CPU_STATE;\r
\r
//\r
// CPU volatile registers around INIT-SIPI-SIPI\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
//\r
// AP related data\r
//\r
typedef struct {\r
  SPIN_LOCK                      ApLock;\r
  volatile UINT32                *StartupApSignal;\r
  volatile UINTN                 ApFunction;\r
  volatile UINTN                 ApFunctionArgument;\r
  BOOLEAN                        CpuHealthy;\r
  volatile CPU_STATE             State;\r
  CPU_VOLATILE_REGISTERS         VolatileRegisters;\r
  BOOLEAN                        Waiting;\r
  BOOLEAN                        *Finished;\r
  UINT64                         ExpectedTime;\r
  UINT64                         CurrentTime;\r
  UINT64                         TotalTime;\r
  EFI_EVENT                      WaitEvent;\r
} CPU_AP_DATA;\r
\r
//\r
// Basic CPU information saved in Guided HOB.\r
// Because the contents will be shard between PEI and DXE,\r
// we need to make sure the each fields offset same in different\r
// architecture.\r
//\r
#pragma pack (1)\r
typedef struct {\r
  UINT32                         InitialApicId;\r
  UINT32                         ApicId;\r
  UINT32                         Health;\r
  UINT64                         ApTopOfStack;\r
} CPU_INFO_IN_HOB;\r
#pragma pack ()\r
\r
//\r
// AP reset code information including code address and size,\r
// this structure will be shared be C code and assembly code.\r
// It is natural aligned by design.\r
//\r
typedef struct {\r
  UINT8             *RendezvousFunnelAddress;\r
  UINTN             ModeEntryOffset;\r
  UINTN             RendezvousFunnelSize;\r
  UINT8             *RelocateApLoopFuncAddress;\r
  UINTN             RelocateApLoopFuncSize;\r
} MP_ASSEMBLY_ADDRESS_MAP;\r
\r
typedef struct _CPU_MP_DATA  CPU_MP_DATA;\r
\r
#pragma pack(1)\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                 ModeOffset;\r
  UINTN                 ApIndex;\r
  UINTN                 CodeSegment;\r
  UINTN                 DataSegment;\r
  UINTN                 EnableExecuteDisable;\r
  UINTN                 Cr3;\r
  UINTN                 InitFlag;\r
  CPU_INFO_IN_HOB       *CpuInfo;\r
  UINTN                 NumApsExecuting;\r
  CPU_MP_DATA           *CpuMpData;\r
  UINTN                 InitializeFloatingPointUnitsAddress;\r
} MP_CPU_EXCHANGE_INFO;\r
\r
#pragma pack()\r
\r
//\r
// CPU MP Data save in memory\r
//\r
struct _CPU_MP_DATA {\r
  UINT64                         CpuInfoInHob;\r
  UINT32                         CpuCount;\r
  UINT32                         BspNumber;\r
  //\r
  // The above fields data will be passed from PEI to DXE\r
  // Please make sure the fields offset same in the different\r
  // architecture.\r
  //\r
  SPIN_LOCK                      MpLock;\r
  UINTN                          Buffer;\r
  UINTN                          CpuApStackSize;\r
  MP_ASSEMBLY_ADDRESS_MAP        AddressMap;\r
  UINTN                          WakeupBuffer;\r
  UINTN                          BackupBuffer;\r
  UINTN                          BackupBufferSize;\r
\r
  volatile UINT32                StartCount;\r
  volatile UINT32                FinishedCount;\r
  volatile UINT32                RunningCount;\r
  BOOLEAN                        SingleThread;\r
  EFI_AP_PROCEDURE               Procedure;\r
  VOID                           *ProcArguments;\r
  BOOLEAN                        *Finished;\r
  UINT64                         ExpectedTime;\r
  UINT64                         CurrentTime;\r
  UINT64                         TotalTime;\r
  EFI_EVENT                      WaitEvent;\r
  UINTN                          **FailedCpuList;\r
\r
  AP_INIT_STATE                  InitFlag;\r
  BOOLEAN                        X2ApicEnable;\r
  BOOLEAN                        SwitchBspFlag;\r
  UINTN                          NewBspNumber;\r
  CPU_EXCHANGE_ROLE_INFO         BSPInfo;\r
  CPU_EXCHANGE_ROLE_INFO         APInfo;\r
  MTRR_SETTINGS                  MtrrTable;\r
  UINT8                          ApLoopMode;\r
  UINT8                          ApTargetCState;\r
  UINT16                         PmCodeSegment;\r
  CPU_AP_DATA                    *CpuData;\r
  volatile MP_CPU_EXCHANGE_INFO  *MpCpuExchangeInfo;\r
\r
  UINT32                         CurrentTimerCount;\r
  UINTN                          DivideValue;\r
  UINT8                          Vector;\r
  BOOLEAN                        PeriodicMode;\r
  BOOLEAN                        TimerInterruptState;\r
  UINT64                         MicrocodePatchAddress;\r
  UINT64                         MicrocodePatchRegionSize;\r
};\r
\r
extern EFI_GUID mCpuInitMpLibHobGuid;\r
\r
/**\r
  Assembly code to place AP into safe loop mode.\r
\r
  Place AP into targeted C-State if MONITOR is supported, otherwise\r
  place AP into hlt state.\r
  Place AP in protected mode if the current is long mode. Due to AP maybe\r
  wakeup by some hardware event. It could avoid accessing page table that\r
  may not available during booting to OS.\r
\r
  @param[in] MwaitSupport    TRUE indicates MONITOR is supported.\r
                             FALSE indicates MONITOR is not supported.\r
  @param[in] ApTargetCState  Target C-State value.\r
  @param[in] PmCodeSegment   Protected mode code segment value.\r
**/\r
typedef\r
VOID\r
(EFIAPI * ASM_RELOCATE_AP_LOOP) (\r
  IN BOOLEAN                 MwaitSupport,\r
  IN UINTN                   ApTargetCState,\r
  IN UINTN                   PmCodeSegment,\r
  IN UINTN                   TopOfApStack,\r
  IN UINTN                   NumberToFinish\r
  );\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[out] AddressMap  Output buffer for address map information.\r
**/\r
VOID\r
EFIAPI\r
AsmGetAddressMap (\r
  OUT MP_ASSEMBLY_ADDRESS_MAP    *AddressMap\r
  );\r
\r
/**\r
  This function is called by both the BSP and the AP which is to become the BSP to\r
  Exchange execution context including stack between them. After return from this\r
  function, the BSP becomes AP and the AP becomes the BSP.\r
\r
  @param[in] MyInfo      Pointer to buffer holding the exchanging information for the executing processor.\r
  @param[in] OthersInfo  Pointer to buffer holding the exchanging information for the peer.\r
\r
**/\r
VOID\r
EFIAPI\r
AsmExchangeRole (\r
  IN CPU_EXCHANGE_ROLE_INFO    *MyInfo,\r
  IN CPU_EXCHANGE_ROLE_INFO    *OthersInfo\r
  );\r
\r
/**\r
  Get the pointer to CPU MP Data structure.\r
\r
  @return  The pointer to CPU MP Data structure.\r
**/\r
CPU_MP_DATA *\r
GetCpuMpData (\r
  VOID\r
  );\r
\r
/**\r
  Save the pointer to CPU MP Data structure.\r
\r
  @param[in] CpuMpData  The pointer to CPU MP Data structure will be saved.\r
**/\r
VOID\r
SaveCpuMpData (\r
  IN CPU_MP_DATA   *CpuMpData\r
  );\r
\r
\r
/**\r
  Get available system memory below 1MB by specified size.\r
\r
  @param[in] WakeupBufferSize   Wakeup buffer size required\r
\r
  @retval other   Return wakeup buffer address below 1MB.\r
  @retval -1      Cannot find free memory below 1MB.\r
**/\r
UINTN\r
GetWakeupBuffer (\r
  IN UINTN                WakeupBufferSize\r
  );\r
\r
/**\r
  This function will be called by BSP to wakeup AP.\r
\r
  @param[in] CpuMpData          Pointer to CPU MP Data\r
  @param[in] Broadcast          TRUE:  Send broadcast IPI to all APs\r
                                FALSE: Send IPI to AP by ApicId\r
  @param[in] ProcessorNumber    The handle number of specified processor\r
  @param[in] Procedure          The function to be invoked by AP\r
  @param[in] ProcedureArgument  The argument to be passed into AP function\r
**/\r
VOID\r
WakeUpAP (\r
  IN CPU_MP_DATA               *CpuMpData,\r
  IN BOOLEAN                   Broadcast,\r
  IN UINTN                     ProcessorNumber,\r
  IN EFI_AP_PROCEDURE          Procedure,              OPTIONAL\r
  IN VOID                      *ProcedureArgument      OPTIONAL\r
  );\r
\r
/**\r
  Initialize global data for MP support.\r
\r
  @param[in] CpuMpData  The pointer to CPU MP Data structure.\r
**/\r
VOID\r
InitMpGlobalData (\r
  IN CPU_MP_DATA               *CpuMpData\r
  );\r
\r
/**\r
  Worker function to execute a caller provided function on all enabled APs.\r
\r
  @param[in]  Procedure               A pointer to the function to be run on\r
                                      enabled APs of the system.\r
  @param[in]  SingleThread            If TRUE, then all the enabled APs execute\r
                                      the function specified by Procedure one by\r
                                      one, in ascending order of processor handle\r
                                      number.  If FALSE, then all the enabled APs\r
                                      execute the function specified by Procedure\r
                                      simultaneously.\r
  @param[in]  WaitEvent               The event created by the caller with CreateEvent()\r
                                      service.\r
  @param[in]  TimeoutInMicroseconds   Indicates the time limit in microseconds for\r
                                      APs to return from Procedure, either for\r
                                      blocking or non-blocking mode.\r
  @param[in]  ProcedureArgument       The parameter passed into Procedure for\r
                                      all APs.\r
  @param[out] FailedCpuList           If all APs finish successfully, then its\r
                                      content is set to NULL. If not all APs\r
                                      finish before timeout expires, then its\r
                                      content is set to address of the buffer\r
                                      holding handle numbers of the failed APs.\r
\r
  @retval EFI_SUCCESS             In blocking mode, all APs have finished before\r
                                  the timeout expired.\r
  @retval EFI_SUCCESS             In non-blocking mode, function has been dispatched\r
                                  to all enabled APs.\r
  @retval others                  Failed to Startup all APs.\r
\r
**/\r
EFI_STATUS\r
StartupAllAPsWorker (\r
  IN  EFI_AP_PROCEDURE          Procedure,\r
  IN  BOOLEAN                   SingleThread,\r
  IN  EFI_EVENT                 WaitEvent               OPTIONAL,\r
  IN  UINTN                     TimeoutInMicroseconds,\r
  IN  VOID                      *ProcedureArgument      OPTIONAL,\r
  OUT UINTN                     **FailedCpuList         OPTIONAL\r
  );\r
\r
/**\r
  Worker function to let the caller get one enabled AP to execute a caller-provided\r
  function.\r
\r
  @param[in]  Procedure               A pointer to the function to be run on\r
                                      enabled APs of the system.\r
  @param[in]  ProcessorNumber         The handle number of the AP.\r
  @param[in]  WaitEvent               The event created by the caller with CreateEvent()\r
                                      service.\r
  @param[in]  TimeoutInMicroseconds   Indicates the time limit in microseconds for\r
                                      APs to return from Procedure, either for\r
                                      blocking or non-blocking mode.\r
  @param[in]  ProcedureArgument       The parameter passed into Procedure for\r
                                      all APs.\r
  @param[out] Finished                If AP returns from Procedure before the\r
                                      timeout expires, its content is set to TRUE.\r
                                      Otherwise, the value is set to FALSE.\r
\r
  @retval EFI_SUCCESS             In blocking mode, specified AP finished before\r
                                  the timeout expires.\r
  @retval others                  Failed to Startup AP.\r
\r
**/\r
EFI_STATUS\r
StartupThisAPWorker (\r
  IN  EFI_AP_PROCEDURE          Procedure,\r
  IN  UINTN                     ProcessorNumber,\r
  IN  EFI_EVENT                 WaitEvent               OPTIONAL,\r
  IN  UINTN                     TimeoutInMicroseconds,\r
  IN  VOID                      *ProcedureArgument      OPTIONAL,\r
  OUT BOOLEAN                   *Finished               OPTIONAL\r
  );\r
\r
/**\r
  Worker function to switch the requested AP to be the BSP from that point onward.\r
\r
  @param[in] ProcessorNumber   The handle number of AP that is to become the new BSP.\r
  @param[in] EnableOldBSP      If TRUE, then the old BSP will be listed as an\r
                               enabled AP. Otherwise, it will be disabled.\r
\r
  @retval EFI_SUCCESS          BSP successfully switched.\r
  @retval others               Failed to switch BSP. \r
\r
**/\r
EFI_STATUS\r
SwitchBSPWorker (\r
  IN UINTN                     ProcessorNumber,\r
  IN BOOLEAN                   EnableOldBSP\r
  );\r
\r
/**\r
  Worker function to let the caller enable or disable an AP from this point onward.\r
  This service may only be called from the BSP.\r
\r
  @param[in] ProcessorNumber   The handle number of AP.\r
  @param[in] EnableAP          Specifies the new state for the processor for\r
                               enabled, FALSE for disabled.\r
  @param[in] HealthFlag        If not NULL, a pointer to a value that specifies\r
                               the new health status of the AP.\r
\r
  @retval EFI_SUCCESS          The specified AP was enabled or disabled successfully.\r
  @retval others               Failed to Enable/Disable AP.\r
\r
**/\r
EFI_STATUS\r
EnableDisableApWorker (\r
  IN  UINTN                     ProcessorNumber,\r
  IN  BOOLEAN                   EnableAP,\r
  IN  UINT32                    *HealthFlag OPTIONAL\r
  );\r
\r
/**\r
  Get pointer to CPU MP Data structure from GUIDed HOB.\r
\r
  @return  The pointer to CPU MP Data structure.\r
**/\r
CPU_MP_DATA *\r
GetCpuMpDataFromGuidedHob (\r
  VOID\r
  );\r
\r
/** Checks status of specified AP.\r
\r
  This function checks whether the specified AP has finished the task assigned\r
  by StartupThisAP(), and whether timeout expires.\r
\r
  @param[in]  ProcessorNumber       The handle number of processor.\r
\r
  @retval EFI_SUCCESS           Specified AP has finished task assigned by StartupThisAPs().\r
  @retval EFI_TIMEOUT           The timeout expires.\r
  @retval EFI_NOT_READY         Specified AP has not finished task and timeout has not expired.\r
**/\r
EFI_STATUS\r
CheckThisAP (\r
  IN UINTN        ProcessorNumber\r
  );\r
\r
/**\r
  Checks status of all APs.\r
\r
  This function checks whether all APs have finished task assigned by StartupAllAPs(),\r
  and whether timeout expires.\r
\r
  @retval EFI_SUCCESS           All APs have finished task assigned by StartupAllAPs().\r
  @retval EFI_TIMEOUT           The timeout expires.\r
  @retval EFI_NOT_READY         APs have not finished task and timeout has not expired.\r
**/\r
EFI_STATUS\r
CheckAllAPs (\r
  VOID\r
  );\r
\r
/**\r
  Checks APs status and updates APs status if needed.\r
\r
**/\r
VOID\r
CheckAndUpdateApsStatus (\r
  VOID\r
  );\r
\r
/**\r
  Detect whether specified processor can find matching microcode patch and load it.\r
\r
  @param[in]  CpuMpData  The pointer to CPU MP Data structure.\r
**/\r
VOID\r
MicrocodeDetect (\r
  IN CPU_MP_DATA             *CpuMpData\r
  );\r
\r
/**\r
  Detect whether Mwait-monitor feature is supported.\r
\r
  @retval TRUE    Mwait-monitor feature is supported.\r
  @retval FALSE   Mwait-monitor feature is not supported.\r
**/\r
BOOLEAN\r
IsMwaitSupport (\r
  VOID\r
  );\r
\r
/**\r
  Enable Debug Agent to support source debugging on AP function.\r
\r
**/\r
VOID\r
EnableDebugAgent (\r
  VOID\r
  );\r
\r
#endif\r
\r
Commit	Line	Data
3e8ad6bd JF	1	/** @file\r
	2	Common header file for MP Initialize Library.\r
	3	\r
c934a0a5	4	Copyright (c) 2016 - 2017, Intel Corporation. All rights reserved.<BR>\r
3e8ad6bd JF	5	This program and the accompanying materials\r
	6	are licensed and made available under the terms and conditions of the BSD License\r
	7	which accompanies this distribution. The full text of the license may be found at\r
	8	http://opensource.org/licenses/bsd-license.php\r
	9	\r
	10	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
	11	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
	12	\r
	13	**/\r
	14	\r
	15	#ifndef _MP_LIB_H_\r
	16	#define _MP_LIB_H_\r
	17	\r
	18	#include <PiPei.h>\r
	19	\r
	20	#include <Register/Cpuid.h>\r
	21	#include <Register/Msr.h>\r
	22	#include <Register/LocalApic.h>\r
	23	#include <Register/Microcode.h>\r
	24	\r
	25	#include <Library/MpInitLib.h>\r
	26	#include <Library/BaseLib.h>\r
	27	#include <Library/BaseMemoryLib.h>\r
	28	#include <Library/MemoryAllocationLib.h>\r
	29	#include <Library/DebugLib.h>\r
	30	#include <Library/LocalApicLib.h>\r
	31	#include <Library/CpuLib.h>\r
	32	#include <Library/UefiCpuLib.h>\r
	33	#include <Library/TimerLib.h>\r
	34	#include <Library/SynchronizationLib.h>\r
	35	#include <Library/MtrrLib.h>\r
	36	#include <Library/HobLib.h>\r
	37	\r
b8b04307 JF	38	#define WAKEUP_AP_SIGNAL SIGNATURE_32 ('S', 'T', 'A', 'P')\r
b8b04307 JF	39	\r
93ca4c0f JF	40	#define CPU_INIT_MP_LIB_HOB_GUID \\r
	41	{ \\r
	42	0x58eb6a19, 0x3699, 0x4c68, { 0xa8, 0x36, 0xda, 0xcd, 0x8e, 0xdc, 0xad, 0x4a } \\r
	43	}\r
	44	\r
41be0da5 JF	45	//\r
	46	// The MP data for switch BSP\r
	47	//\r
	48	#define CPU_SWITCH_STATE_IDLE 0\r
	49	#define CPU_SWITCH_STATE_STORED 1\r
	50	#define CPU_SWITCH_STATE_LOADED 2\r
	51	\r
	52	//\r
	53	// CPU exchange information for switch BSP\r
	54	//\r
	55	typedef struct {\r
	56	UINT8 State; // offset 0\r
	57	UINTN StackPointer; // offset 4 / 8\r
	58	IA32_DESCRIPTOR Gdtr; // offset 8 / 16\r
	59	IA32_DESCRIPTOR Idtr; // offset 14 / 26\r
	60	} CPU_EXCHANGE_ROLE_INFO;\r
	61	\r
9ebcf0f4 JF	62	//\r
	63	// AP loop state when APs are in idle state\r
	64	// It's value is the same with PcdCpuApLoopMode\r
	65	//\r
	66	typedef enum {\r
	67	ApInHltLoop = 1,\r
	68	ApInMwaitLoop = 2,\r
	69	ApInRunLoop = 3\r
	70	} AP_LOOP_MODE;\r
	71	\r
e59f8f6b JF	72	//\r
	73	// AP initialization state during APs wakeup\r
	74	//\r
	75	typedef enum {\r
	76	ApInitConfig = 1,\r
	77	ApInitReconfig = 2,\r
	78	ApInitDone = 3\r
	79	} AP_INIT_STATE;\r
	80	\r
03a1a925 JF	81	//\r
	82	// AP state\r
	83	//\r
	84	typedef enum {\r
	85	CpuStateIdle,\r
	86	CpuStateReady,\r
	87	CpuStateBusy,\r
	88	CpuStateFinished,\r
	89	CpuStateDisabled\r
	90	} CPU_STATE;\r
	91	\r
68cb9330 JF	92	//\r
	93	// CPU volatile registers around INIT-SIPI-SIPI\r
	94	//\r
	95	typedef struct {\r
	96	UINTN Cr0;\r
	97	UINTN Cr3;\r
	98	UINTN Cr4;\r
	99	UINTN Dr0;\r
	100	UINTN Dr1;\r
	101	UINTN Dr2;\r
	102	UINTN Dr3;\r
	103	UINTN Dr6;\r
	104	UINTN Dr7;\r
	105	} CPU_VOLATILE_REGISTERS;\r
	106	\r
e59f8f6b JF	107	//\r
	108	// AP related data\r
	109	//\r
	110	typedef struct {\r
	111	SPIN_LOCK ApLock;\r
	112	volatile UINT32 *StartupApSignal;\r
	113	volatile UINTN ApFunction;\r
	114	volatile UINTN ApFunctionArgument;\r
e59f8f6b	115	BOOLEAN CpuHealthy;\r
03a1a925	116	volatile CPU_STATE State;\r
68cb9330	117	CPU_VOLATILE_REGISTERS VolatileRegisters;\r
e59f8f6b JF	118	BOOLEAN Waiting;\r
	119	BOOLEAN *Finished;\r
	120	UINT64 ExpectedTime;\r
	121	UINT64 CurrentTime;\r
	122	UINT64 TotalTime;\r
	123	EFI_EVENT WaitEvent;\r
	124	} CPU_AP_DATA;\r
	125	\r
	126	//\r
	127	// Basic CPU information saved in Guided HOB.\r
	128	// Because the contents will be shard between PEI and DXE,\r
	129	// we need to make sure the each fields offset same in different\r
	130	// architecture.\r
	131	//\r
dd3fa0cd	132	#pragma pack (1)\r
e59f8f6b JF	133	typedef struct {\r
	134	UINT32 InitialApicId;\r
	135	UINT32 ApicId;\r
	136	UINT32 Health;\r
dd3fa0cd	137	UINT64 ApTopOfStack;\r
e59f8f6b	138	} CPU_INFO_IN_HOB;\r
dd3fa0cd	139	#pragma pack ()\r
e59f8f6b	140	\r
f7f85d83 JF	141	//\r
	142	// AP reset code information including code address and size,\r
	143	// this structure will be shared be C code and assembly code.\r
	144	// It is natural aligned by design.\r
	145	//\r
	146	typedef struct {\r
	147	UINT8 *RendezvousFunnelAddress;\r
	148	UINTN ModeEntryOffset;\r
	149	UINTN RendezvousFunnelSize;\r
	150	UINT8 *RelocateApLoopFuncAddress;\r
	151	UINTN RelocateApLoopFuncSize;\r
	152	} MP_ASSEMBLY_ADDRESS_MAP;\r
3e8ad6bd	153	\r
e59f8f6b JF	154	typedef struct _CPU_MP_DATA CPU_MP_DATA;\r
e59f8f6b JF	155	\r
d94e5f67 JF	156	#pragma pack(1)\r
	157	\r
	158	//\r
	159	// MP CPU exchange information for AP reset code\r
	160	// This structure is required to be packed because fixed field offsets\r
	161	// into this structure are used in assembly code in this module\r
	162	//\r
	163	typedef struct {\r
	164	UINTN Lock;\r
	165	UINTN StackStart;\r
	166	UINTN StackSize;\r
	167	UINTN CFunction;\r
	168	IA32_DESCRIPTOR GdtrProfile;\r
	169	IA32_DESCRIPTOR IdtrProfile;\r
	170	UINTN BufferStart;\r
	171	UINTN ModeOffset;\r
37676b9f	172	UINTN ApIndex;\r
d94e5f67 JF	173	UINTN CodeSegment;\r
d94e5f67 JF	174	UINTN DataSegment;\r
5c66d125	175	UINTN EnableExecuteDisable;\r
d94e5f67	176	UINTN Cr3;\r
46d4b885 JF	177	UINTN InitFlag;\r
46d4b885 JF	178	CPU_INFO_IN_HOB *CpuInfo;\r
0594ec41	179	UINTN NumApsExecuting;\r
e59f8f6b	180	CPU_MP_DATA *CpuMpData;\r
3b2928b4	181	UINTN InitializeFloatingPointUnitsAddress;\r
d94e5f67 JF	182	} MP_CPU_EXCHANGE_INFO;\r
	183	\r
	184	#pragma pack()\r
e59f8f6b JF	185	\r
	186	//\r
	187	// CPU MP Data save in memory\r
	188	//\r
	189	struct _CPU_MP_DATA {\r
	190	UINT64 CpuInfoInHob;\r
	191	UINT32 CpuCount;\r
	192	UINT32 BspNumber;\r
	193	//\r
	194	// The above fields data will be passed from PEI to DXE\r
	195	// Please make sure the fields offset same in the different\r
	196	// architecture.\r
	197	//\r
	198	SPIN_LOCK MpLock;\r
	199	UINTN Buffer;\r
	200	UINTN CpuApStackSize;\r
	201	MP_ASSEMBLY_ADDRESS_MAP AddressMap;\r
	202	UINTN WakeupBuffer;\r
	203	UINTN BackupBuffer;\r
	204	UINTN BackupBufferSize;\r
e59f8f6b JF	205	\r
	206	volatile UINT32 StartCount;\r
	207	volatile UINT32 FinishedCount;\r
	208	volatile UINT32 RunningCount;\r
	209	BOOLEAN SingleThread;\r
	210	EFI_AP_PROCEDURE Procedure;\r
	211	VOID *ProcArguments;\r
	212	BOOLEAN *Finished;\r
	213	UINT64 ExpectedTime;\r
	214	UINT64 CurrentTime;\r
	215	UINT64 TotalTime;\r
	216	EFI_EVENT WaitEvent;\r
	217	UINTN **FailedCpuList;\r
	218	\r
	219	AP_INIT_STATE InitFlag;\r
	220	BOOLEAN X2ApicEnable;\r
41be0da5	221	BOOLEAN SwitchBspFlag;\r
b3775af2	222	UINTN NewBspNumber;\r
41be0da5 JF	223	CPU_EXCHANGE_ROLE_INFO BSPInfo;\r
41be0da5 JF	224	CPU_EXCHANGE_ROLE_INFO APInfo;\r
e59f8f6b JF	225	MTRR_SETTINGS MtrrTable;\r
	226	UINT8 ApLoopMode;\r
	227	UINT8 ApTargetCState;\r
	228	UINT16 PmCodeSegment;\r
	229	CPU_AP_DATA *CpuData;\r
	230	volatile MP_CPU_EXCHANGE_INFO *MpCpuExchangeInfo;\r
ffab2442 JF	231	\r
	232	UINT32 CurrentTimerCount;\r
	233	UINTN DivideValue;\r
	234	UINT8 Vector;\r
	235	BOOLEAN PeriodicMode;\r
	236	BOOLEAN TimerInterruptState;\r
1e3f7a37 ED	237	UINT64 MicrocodePatchAddress;\r
1e3f7a37 ED	238	UINT64 MicrocodePatchRegionSize;\r
e59f8f6b	239	};\r
93ca4c0f JF	240	\r
	241	extern EFI_GUID mCpuInitMpLibHobGuid;\r
	242	\r
76157021 JF	243	/**\r
	244	Assembly code to place AP into safe loop mode.\r
	245	\r
	246	Place AP into targeted C-State if MONITOR is supported, otherwise\r
	247	place AP into hlt state.\r
	248	Place AP in protected mode if the current is long mode. Due to AP maybe\r
	249	wakeup by some hardware event. It could avoid accessing page table that\r
	250	may not available during booting to OS.\r
	251	\r
	252	@param[in] MwaitSupport TRUE indicates MONITOR is supported.\r
	253	FALSE indicates MONITOR is not supported.\r
	254	@param[in] ApTargetCState Target C-State value.\r
	255	@param[in] PmCodeSegment Protected mode code segment value.\r
	256	**/\r
	257	typedef\r
	258	VOID\r
	259	(EFIAPI * ASM_RELOCATE_AP_LOOP) (\r
	260	IN BOOLEAN MwaitSupport,\r
	261	IN UINTN ApTargetCState,\r
bf2786dc	262	IN UINTN PmCodeSegment,\r
9f91cb01 JF	263	IN UINTN TopOfApStack,\r
9f91cb01 JF	264	IN UINTN NumberToFinish\r
76157021	265	);\r
f7f85d83 JF	266	\r
	267	/**\r
	268	Assembly code to get starting address and size of the rendezvous entry for APs.\r
	269	Information for fixing a jump instruction in the code is also returned.\r
	270	\r
	271	@param[out] AddressMap Output buffer for address map information.\r
	272	**/\r
	273	VOID\r
	274	EFIAPI\r
	275	AsmGetAddressMap (\r
	276	OUT MP_ASSEMBLY_ADDRESS_MAP *AddressMap\r
	277	);\r
	278	\r
41be0da5 JF	279	/**\r
	280	This function is called by both the BSP and the AP which is to become the BSP to\r
	281	Exchange execution context including stack between them. After return from this\r
	282	function, the BSP becomes AP and the AP becomes the BSP.\r
	283	\r
	284	@param[in] MyInfo Pointer to buffer holding the exchanging information for the executing processor.\r
	285	@param[in] OthersInfo Pointer to buffer holding the exchanging information for the peer.\r
	286	\r
	287	**/\r
	288	VOID\r
	289	EFIAPI\r
	290	AsmExchangeRole (\r
	291	IN CPU_EXCHANGE_ROLE_INFO *MyInfo,\r
	292	IN CPU_EXCHANGE_ROLE_INFO *OthersInfo\r
	293	);\r
	294	\r
93ca4c0f JF	295	/**\r
	296	Get the pointer to CPU MP Data structure.\r
	297	\r
	298	@return The pointer to CPU MP Data structure.\r
	299	**/\r
	300	CPU_MP_DATA *\r
	301	GetCpuMpData (\r
	302	VOID\r
	303	);\r
	304	\r
	305	/**\r
	306	Save the pointer to CPU MP Data structure.\r
	307	\r
	308	@param[in] CpuMpData The pointer to CPU MP Data structure will be saved.\r
	309	**/\r
	310	VOID\r
	311	SaveCpuMpData (\r
	312	IN CPU_MP_DATA *CpuMpData\r
	313	);\r
	314	\r
ed66e0e3 JF	315	\r
ed66e0e3 JF	316	/**\r
a6b3d753	317	Get available system memory below 1MB by specified size.\r
ed66e0e3	318	\r
a6b3d753 SZ	319	@param[in] WakeupBufferSize Wakeup buffer size required\r
	320	\r
	321	@retval other Return wakeup buffer address below 1MB.\r
	322	@retval -1 Cannot find free memory below 1MB.\r
ed66e0e3	323	**/\r
a6b3d753 SZ	324	UINTN\r
	325	GetWakeupBuffer (\r
	326	IN UINTN WakeupBufferSize\r
ed66e0e3 JF	327	);\r
ed66e0e3 JF	328	\r
96f5920d JF	329	/**\r
	330	This function will be called by BSP to wakeup AP.\r
	331	\r
	332	@param[in] CpuMpData Pointer to CPU MP Data\r
	333	@param[in] Broadcast TRUE: Send broadcast IPI to all APs\r
	334	FALSE: Send IPI to AP by ApicId\r
	335	@param[in] ProcessorNumber The handle number of specified processor\r
	336	@param[in] Procedure The function to be invoked by AP\r
	337	@param[in] ProcedureArgument The argument to be passed into AP function\r
	338	**/\r
	339	VOID\r
	340	WakeUpAP (\r
	341	IN CPU_MP_DATA *CpuMpData,\r
	342	IN BOOLEAN Broadcast,\r
	343	IN UINTN ProcessorNumber,\r
	344	IN EFI_AP_PROCEDURE Procedure, OPTIONAL\r
	345	IN VOID *ProcedureArgument OPTIONAL\r
	346	);\r
	347	\r
93ca4c0f JF	348	/**\r
	349	Initialize global data for MP support.\r
	350	\r
	351	@param[in] CpuMpData The pointer to CPU MP Data structure.\r
	352	**/\r
	353	VOID\r
	354	InitMpGlobalData (\r
	355	IN CPU_MP_DATA *CpuMpData\r
	356	);\r
	357	\r
86efe976 JF	358	/**\r
	359	Worker function to execute a caller provided function on all enabled APs.\r
	360	\r
	361	@param[in] Procedure A pointer to the function to be run on\r
	362	enabled APs of the system.\r
	363	@param[in] SingleThread If TRUE, then all the enabled APs execute\r
	364	the function specified by Procedure one by\r
	365	one, in ascending order of processor handle\r
	366	number. If FALSE, then all the enabled APs\r
	367	execute the function specified by Procedure\r
	368	simultaneously.\r
	369	@param[in] WaitEvent The event created by the caller with CreateEvent()\r
	370	service.\r
367284e7	371	@param[in] TimeoutInMicroseconds Indicates the time limit in microseconds for\r
86efe976 JF	372	APs to return from Procedure, either for\r
	373	blocking or non-blocking mode.\r
	374	@param[in] ProcedureArgument The parameter passed into Procedure for\r
	375	all APs.\r
	376	@param[out] FailedCpuList If all APs finish successfully, then its\r
	377	content is set to NULL. If not all APs\r
	378	finish before timeout expires, then its\r
	379	content is set to address of the buffer\r
	380	holding handle numbers of the failed APs.\r
	381	\r
	382	@retval EFI_SUCCESS In blocking mode, all APs have finished before\r
	383	the timeout expired.\r
	384	@retval EFI_SUCCESS In non-blocking mode, function has been dispatched\r
	385	to all enabled APs.\r
	386	@retval others Failed to Startup all APs.\r
	387	\r
	388	**/\r
	389	EFI_STATUS\r
	390	StartupAllAPsWorker (\r
	391	IN EFI_AP_PROCEDURE Procedure,\r
	392	IN BOOLEAN SingleThread,\r
	393	IN EFI_EVENT WaitEvent OPTIONAL,\r
	394	IN UINTN TimeoutInMicroseconds,\r
	395	IN VOID *ProcedureArgument OPTIONAL,\r
	396	OUT UINTN **FailedCpuList OPTIONAL\r
	397	);\r
	398	\r
20ae5774 JF	399	/**\r
	400	Worker function to let the caller get one enabled AP to execute a caller-provided\r
	401	function.\r
	402	\r
	403	@param[in] Procedure A pointer to the function to be run on\r
	404	enabled APs of the system.\r
	405	@param[in] ProcessorNumber The handle number of the AP.\r
	406	@param[in] WaitEvent The event created by the caller with CreateEvent()\r
	407	service.\r
367284e7	408	@param[in] TimeoutInMicroseconds Indicates the time limit in microseconds for\r
20ae5774 JF	409	APs to return from Procedure, either for\r
	410	blocking or non-blocking mode.\r
	411	@param[in] ProcedureArgument The parameter passed into Procedure for\r
	412	all APs.\r
	413	@param[out] Finished If AP returns from Procedure before the\r
	414	timeout expires, its content is set to TRUE.\r
	415	Otherwise, the value is set to FALSE.\r
	416	\r
	417	@retval EFI_SUCCESS In blocking mode, specified AP finished before\r
	418	the timeout expires.\r
	419	@retval others Failed to Startup AP.\r
	420	\r
	421	**/\r
	422	EFI_STATUS\r
	423	StartupThisAPWorker (\r
	424	IN EFI_AP_PROCEDURE Procedure,\r
	425	IN UINTN ProcessorNumber,\r
	426	IN EFI_EVENT WaitEvent OPTIONAL,\r
	427	IN UINTN TimeoutInMicroseconds,\r
	428	IN VOID *ProcedureArgument OPTIONAL,\r
	429	OUT BOOLEAN *Finished OPTIONAL\r
	430	);\r
	431	\r
41be0da5 JF	432	/**\r
	433	Worker function to switch the requested AP to be the BSP from that point onward.\r
	434	\r
	435	@param[in] ProcessorNumber The handle number of AP that is to become the new BSP.\r
	436	@param[in] EnableOldBSP If TRUE, then the old BSP will be listed as an\r
	437	enabled AP. Otherwise, it will be disabled.\r
	438	\r
	439	@retval EFI_SUCCESS BSP successfully switched.\r
	440	@retval others Failed to switch BSP. \r
	441	\r
	442	**/\r
	443	EFI_STATUS\r
	444	SwitchBSPWorker (\r
	445	IN UINTN ProcessorNumber,\r
	446	IN BOOLEAN EnableOldBSP\r
	447	);\r
	448	\r
e37109bc JF	449	/**\r
	450	Worker function to let the caller enable or disable an AP from this point onward.\r
	451	This service may only be called from the BSP.\r
	452	\r
	453	@param[in] ProcessorNumber The handle number of AP.\r
	454	@param[in] EnableAP Specifies the new state for the processor for\r
	455	enabled, FALSE for disabled.\r
	456	@param[in] HealthFlag If not NULL, a pointer to a value that specifies\r
	457	the new health status of the AP.\r
	458	\r
	459	@retval EFI_SUCCESS The specified AP was enabled or disabled successfully.\r
	460	@retval others Failed to Enable/Disable AP.\r
	461	\r
	462	**/\r
	463	EFI_STATUS\r
	464	EnableDisableApWorker (\r
	465	IN UINTN ProcessorNumber,\r
	466	IN BOOLEAN EnableAP,\r
	467	IN UINT32 *HealthFlag OPTIONAL\r
	468	);\r
	469	\r
93ca4c0f JF	470	/**\r
	471	Get pointer to CPU MP Data structure from GUIDed HOB.\r
	472	\r
	473	@return The pointer to CPU MP Data structure.\r
	474	**/\r
	475	CPU_MP_DATA *\r
	476	GetCpuMpDataFromGuidedHob (\r
	477	VOID\r
	478	);\r
08085f08 JF	479	\r
	480	/** Checks status of specified AP.\r
	481	\r
	482	This function checks whether the specified AP has finished the task assigned\r
	483	by StartupThisAP(), and whether timeout expires.\r
	484	\r
	485	@param[in] ProcessorNumber The handle number of processor.\r
	486	\r
	487	@retval EFI_SUCCESS Specified AP has finished task assigned by StartupThisAPs().\r
	488	@retval EFI_TIMEOUT The timeout expires.\r
	489	@retval EFI_NOT_READY Specified AP has not finished task and timeout has not expired.\r
	490	**/\r
	491	EFI_STATUS\r
	492	CheckThisAP (\r
	493	IN UINTN ProcessorNumber\r
	494	);\r
	495	\r
	496	/**\r
	497	Checks status of all APs.\r
	498	\r
	499	This function checks whether all APs have finished task assigned by StartupAllAPs(),\r
	500	and whether timeout expires.\r
	501	\r
	502	@retval EFI_SUCCESS All APs have finished task assigned by StartupAllAPs().\r
	503	@retval EFI_TIMEOUT The timeout expires.\r
	504	@retval EFI_NOT_READY APs have not finished task and timeout has not expired.\r
	505	**/\r
	506	EFI_STATUS\r
	507	CheckAllAPs (\r
	508	VOID\r
	509	);\r
	510	\r
	511	/**\r
	512	Checks APs status and updates APs status if needed.\r
	513	\r
	514	**/\r
	515	VOID\r
	516	CheckAndUpdateApsStatus (\r
	517	VOID\r
	518	);\r
	519	\r
94f63c76 JF	520	/**\r
	521	Detect whether specified processor can find matching microcode patch and load it.\r
	522	\r
b31c1ad1	523	@param[in] CpuMpData The pointer to CPU MP Data structure.\r
94f63c76 JF	524	**/\r
	525	VOID\r
	526	MicrocodeDetect (\r
	527	IN CPU_MP_DATA *CpuMpData\r
	528	);\r
	529	\r
4d3314f6 JF	530	/**\r
	531	Detect whether Mwait-monitor feature is supported.\r
	532	\r
	533	@retval TRUE Mwait-monitor feature is supported.\r
	534	@retval FALSE Mwait-monitor feature is not supported.\r
	535	**/\r
	536	BOOLEAN\r
	537	IsMwaitSupport (\r
	538	VOID\r
	539	);\r
	540	\r
43c9fdcc JF	541	/**\r
	542	Enable Debug Agent to support source debugging on AP function.\r
	543	\r
	544	**/\r
	545	VOID\r
	546	EnableDebugAgent (\r
	547	VOID\r
	548	);\r
	549	\r
3e8ad6bd JF	550	#endif\r
3e8ad6bd JF	551	\r