X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=UefiCpuPkg%2FLibrary%2FMpInitLib%2FMpLib.h;h=b3a38b4ce7eca35022db87bac15cc26e5cf03bea;hp=7a272d78ec3376ae9157d499099753eb690bd055;hb=2a5997f899bc0bb2851d3ba7168b78b36444e6f0;hpb=ffab244280fd934c9a02142765e40f70fbc061a1 diff --git a/UefiCpuPkg/Library/MpInitLib/MpLib.h b/UefiCpuPkg/Library/MpInitLib/MpLib.h index 7a272d78ec..b3a38b4ce7 100644 --- a/UefiCpuPkg/Library/MpInitLib/MpLib.h +++ b/UefiCpuPkg/Library/MpInitLib/MpLib.h @@ -1,7 +1,7 @@ /** @file Common header file for MP Initialize Library. - Copyright (c) 2016, Intel Corporation. All rights reserved.
+ Copyright (c) 2016 - 2018, Intel Corporation. All rights reserved.
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 @@ -81,11 +81,14 @@ typedef enum { // // AP state // +// The state transitions for an AP when it process a procedure are: +// Idle ----> Ready ----> Busy ----> Idle +// [BSP] [AP] [AP] +// typedef enum { CpuStateIdle, CpuStateReady, CpuStateBusy, - CpuStateFinished, CpuStateDisabled } CPU_STATE; @@ -102,6 +105,9 @@ typedef struct { UINTN Dr3; UINTN Dr6; UINTN Dr7; + IA32_DESCRIPTOR Gdtr; + IA32_DESCRIPTOR Idtr; + UINT16 Tr; } CPU_VOLATILE_REGISTERS; // @@ -149,6 +155,7 @@ typedef struct { UINTN RendezvousFunnelSize; UINT8 *RelocateApLoopFuncAddress; UINTN RelocateApLoopFuncSize; + UINTN ModeTransitionOffset; } MP_ASSEMBLY_ADDRESS_MAP; typedef struct _CPU_MP_DATA CPU_MP_DATA; @@ -169,14 +176,20 @@ typedef struct { IA32_DESCRIPTOR IdtrProfile; UINTN BufferStart; UINTN ModeOffset; - UINTN NumApsExecuting; + UINTN ApIndex; UINTN CodeSegment; UINTN DataSegment; UINTN EnableExecuteDisable; UINTN Cr3; UINTN InitFlag; CPU_INFO_IN_HOB *CpuInfo; + UINTN NumApsExecuting; CPU_MP_DATA *CpuMpData; + UINTN InitializeFloatingPointUnitsAddress; + UINT32 ModeTransitionMemory; + UINT16 ModeTransitionSegment; + UINT32 ModeHighMemory; + UINT16 ModeHighSegment; } MP_CPU_EXCHANGE_INFO; #pragma pack() @@ -198,9 +211,9 @@ struct _CPU_MP_DATA { UINTN CpuApStackSize; MP_ASSEMBLY_ADDRESS_MAP AddressMap; UINTN WakeupBuffer; + UINTN WakeupBufferHigh; UINTN BackupBuffer; UINTN BackupBufferSize; - BOOLEAN SaveRestoreFlag; volatile UINT32 StartCount; volatile UINT32 FinishedCount; @@ -233,6 +246,22 @@ struct _CPU_MP_DATA { UINT8 Vector; BOOLEAN PeriodicMode; BOOLEAN TimerInterruptState; + UINT64 MicrocodePatchAddress; + UINT64 MicrocodePatchRegionSize; + + UINT32 ProcessorSignature; + UINT32 ProcessorFlags; + UINT64 MicrocodeDataAddress; + UINT32 MicrocodeRevision; + + // + // Whether need to use Init-Sipi-Sipi to wake up the APs. + // Two cases need to set this value to TRUE. One is in HLT + // loop mode, the other is resume from S3 which loop mode + // will be hardcode change to HLT mode by PiSmmCpuDxeSmm + // driver. + // + BOOLEAN WakeUpByInitSipiSipi; }; extern EFI_GUID mCpuInitMpLibHobGuid; @@ -309,24 +338,35 @@ SaveCpuMpData ( IN CPU_MP_DATA *CpuMpData ); + /** - Allocate reset vector buffer. + Get available system memory below 1MB by specified size. - @param[in, out] CpuMpData The pointer to CPU MP Data structure. + @param[in] WakeupBufferSize Wakeup buffer size required + + @retval other Return wakeup buffer address below 1MB. + @retval -1 Cannot find free memory below 1MB. **/ -VOID -AllocateResetVector ( - IN OUT CPU_MP_DATA *CpuMpData +UINTN +GetWakeupBuffer ( + IN UINTN WakeupBufferSize ); /** - Free AP reset vector buffer. + Get available EfiBootServicesCode memory below 4GB by specified size. + + This buffer is required to safely transfer AP from real address mode to + protected mode or long mode, due to the fact that the buffer returned by + GetWakeupBuffer() may be marked as non-executable. - @param[in] CpuMpData The pointer to CPU MP Data structure. + @param[in] BufferSize Wakeup transition buffer size. + + @retval other Return wakeup transition buffer address below 4GB. + @retval 0 Cannot find free memory below 4GB. **/ -VOID -FreeResetVector ( - IN CPU_MP_DATA *CpuMpData +UINTN +GetModeTransitionBuffer ( + IN UINTN BufferSize ); /** @@ -440,7 +480,7 @@ StartupThisAPWorker ( enabled AP. Otherwise, it will be disabled. @retval EFI_SUCCESS BSP successfully switched. - @retval others Failed to switch BSP. + @retval others Failed to switch BSP. **/ EFI_STATUS @@ -523,11 +563,13 @@ CheckAndUpdateApsStatus ( /** Detect whether specified processor can find matching microcode patch and load it. - @param[in] CpuMpData The pointer to CPU MP Data structure. + @param[in] CpuMpData The pointer to CPU MP Data structure. + @param[in] IsBspCallIn Indicate whether the caller is BSP or not. **/ VOID MicrocodeDetect ( - IN CPU_MP_DATA *CpuMpData + IN CPU_MP_DATA *CpuMpData, + IN BOOLEAN IsBspCallIn ); /** @@ -541,46 +583,6 @@ IsMwaitSupport ( VOID ); -/** - 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[in] PeiServices The pointer to the PEI Services Table. - @param[in] NotifyDescriptor Address of the notification descriptor data structure. - @param[in] 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 - ); - -/** - Get available system memory below 1MB by specified size. - - @param[in] CpuMpData The pointer to CPU MP Data structure. -**/ -VOID -BackupAndPrepareWakeupBuffer( - IN CPU_MP_DATA *CpuMpData - ); - -/** - Restore wakeup buffer data. - - @param[in] CpuMpData The pointer to CPU MP Data structure. -**/ -VOID -RestoreWakeupBuffer( - IN CPU_MP_DATA *CpuMpData - ); - /** Enable Debug Agent to support source debugging on AP function.