From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by mx.groups.io with SMTP id smtpd.web09.17699.1646032885667369347 for ; Sun, 27 Feb 2022 23:22:02 -0800 Authentication-Results: mx.groups.io; dkim=fail reason="unable to parse pub key" header.i=@intel.com header.s=intel header.b=MH8YlRsi; spf=pass (domain: intel.com, ip: 134.134.136.24, mailfrom: min.m.xu@intel.com) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1646032922; x=1677568922; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=NIpQBxzkU9MyJQMG1IoPyYWQqWy741RGtN7Kag0G1Hw=; b=MH8YlRsiZaTGlRHLnxqmuvttaU3B5iIkopg+cQtzn7Z90CP0QlVO5eIu hUipKnjb8qYDeJ5e8DgTsxnxXxFNCDkolWayETu37caQvsK7W4UUnpwkv XC1z5uPcnA9Q6oE2fMQlC0QGOmc6yuz3i8faxVrWoS2gbp3UwrYQo3VJm wczqG9eAru3oiEbHqZ0uP9/hKQ37hw6vVgowTd+S6JUv3kdGegrP4lTUu pm+qw4mNnL4TOTUDLl1V9iWrLoS+P+OfSn8wghIBEIrEy1Y0HBRkrFtji ij1xo2jKexCj8RJ76dQGhmGbLP+XM5l/wv8dfwdl0VrihzfJNzyq/UUKG w==; X-IronPort-AV: E=McAfee;i="6200,9189,10271"; a="252552833" X-IronPort-AV: E=Sophos;i="5.90,142,1643702400"; d="scan'208";a="252552833" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Feb 2022 23:22:02 -0800 X-IronPort-AV: E=Sophos;i="5.90,142,1643702400"; d="scan'208";a="534340911" Received: from mxu9-mobl1.ccr.corp.intel.com ([10.238.2.184]) by orsmga007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Feb 2022 23:21:59 -0800 From: "Min Xu" To: devel@edk2.groups.io Cc: Min Xu , Brijesh Singh , Erdem Aktas , James Bottomley , Jiewen Yao , Tom Lendacky , Eric Dong , Ray Ni , Rahul Kumar , Gerd Hoffmann Subject: [PATCH V7 13/37] UefiCpuPkg: Enable Tdx support in MpInitLib Date: Mon, 28 Feb 2022 15:20:45 +0800 Message-Id: <3c9f15493720dee7a05381fe4ba32fba501fae20.1646031164.git.min.m.xu@intel.com> X-Mailer: git-send-email 2.29.2.windows.2 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3429 In TDVF BSP and APs are simplified. BSP is the vCPU-0, while the others are treated as APs. So MP intialization is rather simple. The processor info is retrieved by TDCALL, ApWorker is not supported, BSP is always the working processor, while the APs are just in a wait-for-precedure state. Cc: Brijesh Singh Cc: Erdem Aktas Cc: James Bottomley Cc: Jiewen Yao Cc: Tom Lendacky Cc: Eric Dong Cc: Ray Ni Cc: Rahul Kumar Cc: Gerd Hoffmann Acked-by: Gerd Hoffmann Signed-off-by: Min Xu --- UefiCpuPkg/Library/MpInitLib/DxeMpInitLib.inf | 3 + UefiCpuPkg/Library/MpInitLib/DxeMpLib.c | 15 +- UefiCpuPkg/Library/MpInitLib/MpIntelTdx.h | 71 ++++++++++ UefiCpuPkg/Library/MpInitLib/MpLib.c | 27 ++++ UefiCpuPkg/Library/MpInitLib/MpLibTdx.c | 128 ++++++++++++++++++ UefiCpuPkg/Library/MpInitLib/MpLibTdxNull.c | 73 ++++++++++ UefiCpuPkg/Library/MpInitLib/PeiMpInitLib.inf | 3 + 7 files changed, 319 insertions(+), 1 deletion(-) create mode 100644 UefiCpuPkg/Library/MpInitLib/MpIntelTdx.h create mode 100644 UefiCpuPkg/Library/MpInitLib/MpLibTdx.c create mode 100644 UefiCpuPkg/Library/MpInitLib/MpLibTdxNull.c diff --git a/UefiCpuPkg/Library/MpInitLib/DxeMpInitLib.inf b/UefiCpuPkg/Library/MpInitLib/DxeMpInitLib.inf index e1cd0b350008..159b4d16ed0e 100644 --- a/UefiCpuPkg/Library/MpInitLib/DxeMpInitLib.inf +++ b/UefiCpuPkg/Library/MpInitLib/DxeMpInitLib.inf @@ -24,10 +24,12 @@ [Sources.IA32] Ia32/AmdSev.c Ia32/MpFuncs.nasm + MpLibTdxNull.c [Sources.X64] X64/AmdSev.c X64/MpFuncs.nasm + MpLibTdx.c [Sources.common] AmdSev.c @@ -36,6 +38,7 @@ MpLib.c MpLib.h Microcode.c + MpIntelTdx.h [Packages] MdePkg/MdePkg.dec diff --git a/UefiCpuPkg/Library/MpInitLib/DxeMpLib.c b/UefiCpuPkg/Library/MpInitLib/DxeMpLib.c index 60d14a5a0e10..237cad8c5fd6 100644 --- a/UefiCpuPkg/Library/MpInitLib/DxeMpLib.c +++ b/UefiCpuPkg/Library/MpInitLib/DxeMpLib.c @@ -7,6 +7,7 @@ **/ #include "MpLib.h" +#include "MpIntelTdx.h" #include #include @@ -15,8 +16,8 @@ #include #include #include - #include +#include #define AP_SAFE_STACK_SIZE 128 @@ -824,6 +825,10 @@ MpInitLibStartupThisAP ( { EFI_STATUS Status; + if (CC_GUEST_IS_TDX (PcdGet64 (PcdConfidentialComputingGuestAttr))) { + return EFI_UNSUPPORTED; + } + // // temporarily stop checkAllApsStatus for avoid resource dead-lock. // @@ -880,6 +885,10 @@ MpInitLibSwitchBSP ( EFI_TIMER_ARCH_PROTOCOL *Timer; UINT64 TimerPeriod; + if (CC_GUEST_IS_TDX (PcdGet64 (PcdConfidentialComputingGuestAttr))) { + return EFI_UNSUPPORTED; + } + TimerPeriod = 0; // // Locate Timer Arch Protocol @@ -953,6 +962,10 @@ MpInitLibEnableDisableAP ( EFI_STATUS Status; BOOLEAN TempStopCheckState; + if (CC_GUEST_IS_TDX (PcdGet64 (PcdConfidentialComputingGuestAttr))) { + return EFI_UNSUPPORTED; + } + TempStopCheckState = FALSE; // // temporarily stop checkAllAPsStatus for initialize parameters. diff --git a/UefiCpuPkg/Library/MpInitLib/MpIntelTdx.h b/UefiCpuPkg/Library/MpInitLib/MpIntelTdx.h new file mode 100644 index 000000000000..b2136f466ce6 --- /dev/null +++ b/UefiCpuPkg/Library/MpInitLib/MpIntelTdx.h @@ -0,0 +1,71 @@ +/** @file + Intel Tdx header file. + + Copyright (c) 2021, Intel Corporation. All rights reserved.
+ + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef MP_INTEL_TDX_H_ +#define MP_INTEL_TDX_H_ + +#include +#include +#include +#include +#include + +/** + Gets detailed MP-related information on the requested processor at the + instant this call is made. This service may only be called from the BSP. + + @param[in] ProcessorNumber The handle number of processor. + @param[out] ProcessorInfoBuffer A pointer to the buffer where information for + the requested processor is deposited. + @param[out] HealthData Return processor health data. + + @retval EFI_SUCCESS Processor information was returned. + @retval EFI_DEVICE_ERROR The calling processor is an AP. + @retval EFI_INVALID_PARAMETER ProcessorInfoBuffer is NULL. + @retval EFI_NOT_FOUND The processor with the handle specified by + ProcessorNumber does not exist in the platform. + @retval EFI_NOT_READY MP Initialize Library is not initialized. + +**/ +EFI_STATUS +EFIAPI +TdxMpInitLibGetProcessorInfo ( + IN UINTN ProcessorNumber, + OUT EFI_PROCESSOR_INFORMATION *ProcessorInfoBuffer, + OUT EFI_HEALTH_FLAGS *HealthData OPTIONAL + ); + +/** + Retrieves the number of logical processor in the platform and the number of + those logical processors that are enabled on this boot. This service may only + be called from the BSP. + + @param[out] NumberOfProcessors 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. + + @retval EFI_SUCCESS The number of logical processors and enabled + logical processors was retrieved. + @retval EFI_DEVICE_ERROR The calling processor is an AP. + @retval EFI_INVALID_PARAMETER NumberOfProcessors is NULL and NumberOfEnabledProcessors + is NULL. + @retval EFI_NOT_READY MP Initialize Library is not initialized. + +**/ +EFI_STATUS +EFIAPI +TdxMpInitLibGetNumberOfProcessors ( + OUT UINTN *NumberOfProcessors, OPTIONAL + OUT UINTN *NumberOfEnabledProcessors OPTIONAL + ); + +#endif diff --git a/UefiCpuPkg/Library/MpInitLib/MpLib.c b/UefiCpuPkg/Library/MpInitLib/MpLib.c index 4a73787ee43a..de2ed8e6c294 100644 --- a/UefiCpuPkg/Library/MpInitLib/MpLib.c +++ b/UefiCpuPkg/Library/MpInitLib/MpLib.c @@ -9,9 +9,11 @@ **/ #include "MpLib.h" +#include "MpIntelTdx.h" #include #include #include +#include EFI_GUID mCpuInitMpLibHobGuid = CPU_INIT_MP_LIB_HOB_GUID; @@ -1803,6 +1805,10 @@ MpInitLibInitialize ( UINTN BackupBufferAddr; UINTN ApIdtBase; + if (CC_GUEST_IS_TDX (PcdGet64 (PcdConfidentialComputingGuestAttr))) { + return EFI_SUCCESS; + } + OldCpuMpData = GetCpuMpDataFromGuidedHob (); if (OldCpuMpData == NULL) { MaxLogicalProcessorNumber = PcdGet32 (PcdCpuMaxLogicalProcessorNumber); @@ -2073,6 +2079,10 @@ MpInitLibGetProcessorInfo ( CPU_INFO_IN_HOB *CpuInfoInHob; UINTN OriginalProcessorNumber; + if (CC_GUEST_IS_TDX (PcdGet64 (PcdConfidentialComputingGuestAttr))) { + return TdxMpInitLibGetProcessorInfo (ProcessorNumber, ProcessorInfoBuffer, HealthData); + } + CpuMpData = GetCpuMpData (); CpuInfoInHob = (CPU_INFO_IN_HOB *)(UINTN)CpuMpData->CpuInfoInHob; @@ -2307,6 +2317,10 @@ EnableDisableApWorker ( CPU_MP_DATA *CpuMpData; UINTN CallerNumber; + if (CC_GUEST_IS_TDX (PcdGet64 (PcdConfidentialComputingGuestAttr))) { + return EFI_UNSUPPORTED; + } + CpuMpData = GetCpuMpData (); // @@ -2367,6 +2381,11 @@ MpInitLibWhoAmI ( return EFI_INVALID_PARAMETER; } + if (CC_GUEST_IS_TDX (PcdGet64 (PcdConfidentialComputingGuestAttr))) { + *ProcessorNumber = 0; + return EFI_SUCCESS; + } + CpuMpData = GetCpuMpData (); return GetProcessorNumber (CpuMpData, ProcessorNumber); @@ -2405,6 +2424,10 @@ MpInitLibGetNumberOfProcessors ( UINTN EnabledProcessorNumber; UINTN Index; + if (CC_GUEST_IS_TDX (PcdGet64 (PcdConfidentialComputingGuestAttr))) { + return TdxMpInitLibGetNumberOfProcessors (NumberOfProcessors, NumberOfEnabledProcessors); + } + CpuMpData = GetCpuMpData (); if ((NumberOfProcessors == NULL) && (NumberOfEnabledProcessors == NULL)) { @@ -2490,6 +2513,10 @@ StartupAllCPUsWorker ( BOOLEAN HasEnabledAp; CPU_STATE ApState; + if (CC_GUEST_IS_TDX (PcdGet64 (PcdConfidentialComputingGuestAttr))) { + return EFI_SUCCESS; + } + CpuMpData = GetCpuMpData (); if (FailedCpuList != NULL) { diff --git a/UefiCpuPkg/Library/MpInitLib/MpLibTdx.c b/UefiCpuPkg/Library/MpInitLib/MpLibTdx.c new file mode 100644 index 000000000000..d31d043b20b7 --- /dev/null +++ b/UefiCpuPkg/Library/MpInitLib/MpLibTdx.c @@ -0,0 +1,128 @@ +/** @file + CPU MP Initialize Library common functions. + + Copyright (c) 2016 - 2020, Intel Corporation. All rights reserved.
+ Copyright (c) 2020, AMD Inc. All rights reserved.
+ + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include "MpLib.h" +#include "MpIntelTdx.h" +#include +#include +#include +#include + +/** + Gets detailed MP-related information on the requested processor at the + instant this call is made. This service may only be called from the BSP. + + @param[in] ProcessorNumber The handle number of processor. + @param[out] ProcessorInfoBuffer A pointer to the buffer where information for + the requested processor is deposited. + @param[out] HealthData Return processor health data. + + @retval EFI_SUCCESS Processor information was returned. + @retval EFI_DEVICE_ERROR The calling processor is an AP. + @retval EFI_INVALID_PARAMETER ProcessorInfoBuffer is NULL. + @retval EFI_NOT_FOUND The processor with the handle specified by + ProcessorNumber does not exist in the platform. + @retval EFI_NOT_READY MP Initialize Library is not initialized. + +**/ +EFI_STATUS +EFIAPI +TdxMpInitLibGetProcessorInfo ( + IN UINTN ProcessorNumber, + OUT EFI_PROCESSOR_INFORMATION *ProcessorInfoBuffer, + OUT EFI_HEALTH_FLAGS *HealthData OPTIONAL + ) +{ + EFI_STATUS Status; + TD_RETURN_DATA TdReturnData; + + if (ProcessorInfoBuffer == NULL) { + return EFI_INVALID_PARAMETER; + } + + Status = TdCall (TDCALL_TDINFO, 0, 0, 0, &TdReturnData); + ASSERT (Status == EFI_SUCCESS); + + if (ProcessorNumber >= TdReturnData.TdInfo.NumVcpus) { + return EFI_NOT_FOUND; + } + + ProcessorInfoBuffer->ProcessorId = ProcessorNumber; + ProcessorInfoBuffer->StatusFlag = 0; + if (ProcessorNumber == 0) { + ProcessorInfoBuffer->StatusFlag |= PROCESSOR_AS_BSP_BIT; + } + + ProcessorInfoBuffer->StatusFlag |= PROCESSOR_ENABLED_BIT; + + // + // Get processor location information + // + GetProcessorLocationByApicId ( + (UINT32)ProcessorNumber, + &ProcessorInfoBuffer->Location.Package, + &ProcessorInfoBuffer->Location.Core, + &ProcessorInfoBuffer->Location.Thread + ); + + if (HealthData != NULL) { + HealthData->Uint32 = 0; + } + + return Status; +} + +/** + Retrieves the number of logical processor in the platform and the number of + those logical processors that are enabled on this boot. This service may only + be called from the BSP. + + @param[out] NumberOfProcessors 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. + + @retval EFI_SUCCESS The number of logical processors and enabled + logical processors was retrieved. + @retval EFI_DEVICE_ERROR The calling processor is an AP. + @retval EFI_INVALID_PARAMETER NumberOfProcessors is NULL and NumberOfEnabledProcessors + is NULL. + @retval EFI_NOT_READY MP Initialize Library is not initialized. + +**/ +EFI_STATUS +EFIAPI +TdxMpInitLibGetNumberOfProcessors ( + OUT UINTN *NumberOfProcessors, OPTIONAL + OUT UINTN *NumberOfEnabledProcessors OPTIONAL + ) +{ + EFI_STATUS Status; + TD_RETURN_DATA TdReturnData; + + if ((NumberOfProcessors == NULL) && (NumberOfEnabledProcessors == NULL)) { + return EFI_INVALID_PARAMETER; + } + + Status = TdCall (TDCALL_TDINFO, 0, 0, 0, &TdReturnData); + ASSERT (Status == EFI_SUCCESS); + + if (NumberOfProcessors != NULL) { + *NumberOfProcessors = TdReturnData.TdInfo.NumVcpus; + } + + if (NumberOfEnabledProcessors != NULL) { + *NumberOfEnabledProcessors = TdReturnData.TdInfo.MaxVcpus; + } + + return Status; +} diff --git a/UefiCpuPkg/Library/MpInitLib/MpLibTdxNull.c b/UefiCpuPkg/Library/MpInitLib/MpLibTdxNull.c new file mode 100644 index 000000000000..2849e13f2aaa --- /dev/null +++ b/UefiCpuPkg/Library/MpInitLib/MpLibTdxNull.c @@ -0,0 +1,73 @@ +/** @file + CPU MP Initialize Library common functions. + + Copyright (c) 2016 - 2020, Intel Corporation. All rights reserved.
+ Copyright (c) 2020, AMD Inc. All rights reserved.
+ + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include "MpLib.h" +#include "MpIntelTdx.h" +#include + +/** + Gets detailed MP-related information on the requested processor at the + instant this call is made. This service may only be called from the BSP. + + @param[in] ProcessorNumber The handle number of processor. + @param[out] ProcessorInfoBuffer A pointer to the buffer where information for + the requested processor is deposited. + @param[out] HealthData Return processor health data. + + @retval EFI_SUCCESS Processor information was returned. + @retval EFI_DEVICE_ERROR The calling processor is an AP. + @retval EFI_INVALID_PARAMETER ProcessorInfoBuffer is NULL. + @retval EFI_NOT_FOUND The processor with the handle specified by + ProcessorNumber does not exist in the platform. + @retval EFI_NOT_READY MP Initialize Library is not initialized. + +**/ +EFI_STATUS +EFIAPI +TdxMpInitLibGetProcessorInfo ( + IN UINTN ProcessorNumber, + OUT EFI_PROCESSOR_INFORMATION *ProcessorInfoBuffer, + OUT EFI_HEALTH_FLAGS *HealthData OPTIONAL + ) +{ + ASSERT (FALSE); + return EFI_UNSUPPORTED; +} + +/** + Retrieves the number of logical processor in the platform and the number of + those logical processors that are enabled on this boot. This service may only + be called from the BSP. + + @param[out] NumberOfProcessors 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. + + @retval EFI_SUCCESS The number of logical processors and enabled + logical processors was retrieved. + @retval EFI_DEVICE_ERROR The calling processor is an AP. + @retval EFI_INVALID_PARAMETER NumberOfProcessors is NULL and NumberOfEnabledProcessors + is NULL. + @retval EFI_NOT_READY MP Initialize Library is not initialized. + +**/ +EFI_STATUS +EFIAPI +TdxMpInitLibGetNumberOfProcessors ( + OUT UINTN *NumberOfProcessors, OPTIONAL + OUT UINTN *NumberOfEnabledProcessors OPTIONAL + ) +{ + ASSERT (FALSE); + return EFI_UNSUPPORTED; +} diff --git a/UefiCpuPkg/Library/MpInitLib/PeiMpInitLib.inf b/UefiCpuPkg/Library/MpInitLib/PeiMpInitLib.inf index 5facf4db9499..894be0f8daab 100644 --- a/UefiCpuPkg/Library/MpInitLib/PeiMpInitLib.inf +++ b/UefiCpuPkg/Library/MpInitLib/PeiMpInitLib.inf @@ -24,10 +24,12 @@ [Sources.IA32] Ia32/AmdSev.c Ia32/MpFuncs.nasm + MpLibTdxNull.c [Sources.X64] X64/AmdSev.c X64/MpFuncs.nasm + MpLibTdx.c [Sources.common] AmdSev.c @@ -36,6 +38,7 @@ MpLib.c MpLib.h Microcode.c + MpIntelTdx.h [Packages] MdePkg/MdePkg.dec -- 2.29.2.windows.2