RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3429
Intel's Trust Domain Extensions (Intel TDX) refers to an Intel technology that extends Virtual Machines Extensions (VMX) and Multi-Key Total Memory Encryption (MKTME) with a new kind of virutal machines guest called a Trust Domain (TD). A TD is desinged to run in a CPU mode that protects the confidentiality of TD memory contents and the TD's CPU state from other software, including the hosting Virtual-Machine Monitor (VMM), unless explicitly shared by the TD itself. There are 2 configurations for TDVF to upstream. See below link for the definitions of the 2 configurations. https://edk2.groups.io/g/devel/message/76367 This patch-set is to enable the basic feature of Config-B in OvmfPkg. - Add a standalone IntelTdxX64.dsc to a TDX specific directory for a *full* feature TDVF. (Align with existing SEV) - IntelTdxX64.dsc includes TDX/normal OVMF basic boot capability. The final binary can run on TDX/normal OVMF. - PEI phase is skipped. By design in Config-B there should be more advanced features, such as: - RTMR based measurement and measure boot. - Remove unnecessary drivers to reduce attack surface, such as network stack. To make the code review more efficiency, Config-B is split into 2 waves: - Basic feature of Config-B - Advanced feature of Config-B This patch-set is for *Basic feature of Config-B*. Code at: https://github.com/mxu9/edk2/tree/tdvf_wave3.v5 Please be noted: This patch-set is based on tdvf_wave2.v8 which is at: https://github.com/mxu9/edk2/tree/tdvf_wave2.v8 v5 changes: - Move PeilessStartupLib to OvmfPkg/Library. - Split the changes of IncompatiblePciDeviceSupportDxe to 2 patch. Please see Patch 7 & 8. v4 changes: - Rename TdxStartupLib to PeilessStartupLib. - Check HostBridgeDevId from PlatformInfoHob in DxeAcpiTimerLib. - Add 2 more patches (#8 #9) to ignore PCI OptionRom in Td guest. v3 changes: - Drop the PcdTdxWorkAreaBase introduced in v2. Instead PcdSevEsWorkArea is used to point to the TDX WorkArea. PcdSevEsWorkArea will be renamed to PcdCcWorkAreaBase in the future. - In v2 TdHob is processed in OvmfPkg/IntelTdx/Sec/IntelTdx.c. Since the codes have been moved to PlatformInitLib, IntelTdx.c is deleted. - Add comments in DxeAcpiTimerLib to explain why both PcdOvmfHostBridgePciDevId and EFI_HOB_PLATFORM_INFO are checked to read HostBridgeDevId. v2 changes: - In v1 PEI phase is skipped during boot process. But the code is still in the image. It is not a good way. So in v2 the code of PEI is removed as well. - In v1 PrePiLib in EmbeddedPkg are updated to meet the requirement of TDVF-Config-B. This is because PrePiLib in EmbeddedPkg is designed for the situation of PEI-less boot. So after PEI is removed, this change is not needed anymore. - In v1 only Tdx guest can be brought up. Now v2 brings up both Legacy guest and Tdx guest. - Platform initialization in TdxStartup is refactored with the PlatformInitLib. - OvmfPkg/IntelTdx/Sec is introduced. It is a simplied version of OvmfPkg/Sec. Cc: Michael D Kinney <[email protected]> Cc: Brijesh Singh <[email protected]> Cc: Erdem Aktas <[email protected]> Cc: James Bottomley <[email protected]> Cc: Jiewen Yao <[email protected]> Cc: Tom Lendacky <[email protected]> Cc: Gerd Hoffmann <[email protected]> Cc: Leif Lindholm <[email protected]> Cc: Ard Biesheuvel <[email protected]> Cc: Abner Chang <[email protected]> Cc: Daniel Schaefer <[email protected]> Cc: Ray Ni <[email protected]> Signed-off-by: Min Xu <[email protected]> Min Xu (10): OvmfPkg: Add TdxWorkArea definition OvmfPkg: Add PrePiHobListPointerLibTdx OvmfPkg: Add PeilessStartupLib OvmfPkg/IntelTdx: Add Sec to bring up both Legacy and Tdx guest OvmfPkg: Update TdxDxe to set TDX PCDs OvmfPkg: Update DxeAcpiTimerLib to read HostBridgeDevId in PlatformInfoHob OvmfPkg/IncompatiblePciDeviceSupportDxe: Refine the configuration OvmfPkg/IncompatiblePciDeviceSupportDxe: Ignore OptionRom in Td guest MdeModulePkg: Update PciEnumeratorSupport to ignore OptionRom if needed OvmfPkg: Introduce IntelTdxX64 for TDVF Config-B .../Bus/Pci/PciBusDxe/PciEnumeratorSupport.c | 23 +- .../Bus/Pci/PciBusDxe/PciEnumeratorSupport.h | 4 +- OvmfPkg/Include/Library/PeilessStartupLib.h | 34 + OvmfPkg/Include/WorkArea.h | 15 + .../IncompatiblePciDeviceSupport.c | 108 +- OvmfPkg/IntelTdx/IntelTdxX64.dsc | 721 ++++++++++++++ OvmfPkg/IntelTdx/IntelTdxX64.fdf | 401 ++++++++ .../PrePiHobListPointer.c | 57 ++ .../PrePiHobListPointerLibTdx.inf | 29 + OvmfPkg/IntelTdx/Sec/SecMain.c | 198 ++++ OvmfPkg/IntelTdx/Sec/SecMain.inf | 61 ++ OvmfPkg/IntelTdx/Sec/X64/SecEntry.nasm | 151 +++ .../Library/AcpiTimerLib/DxeAcpiTimerLib.c | 25 +- .../Library/AcpiTimerLib/DxeAcpiTimerLib.inf | 7 +- OvmfPkg/Library/PeilessStartupLib/DxeLoad.c | 218 ++++ OvmfPkg/Library/PeilessStartupLib/Hob.c | 135 +++ .../PeilessStartupLib/PeilessStartup.c | 223 +++++ .../PeilessStartupInternal.h | 55 ++ .../PeilessStartupLib/PeilessStartupLib.inf | 86 ++ .../PeilessStartupLib/X64/PageTables.h | 206 ++++ .../PeilessStartupLib/X64/VirtualMemory.c | 935 ++++++++++++++++++ OvmfPkg/OvmfPkg.dec | 4 + OvmfPkg/TdxDxe/TdxDxe.c | 66 +- OvmfPkg/TdxDxe/TdxDxe.inf | 4 + 24 files changed, 3724 insertions(+), 42 deletions(-) create mode 100644 OvmfPkg/Include/Library/PeilessStartupLib.h create mode 100644 OvmfPkg/IntelTdx/IntelTdxX64.dsc create mode 100644 OvmfPkg/IntelTdx/IntelTdxX64.fdf create mode 100644 OvmfPkg/IntelTdx/PrePiHobListPointerLibTdx/PrePiHobListPointer.c create mode 100644 OvmfPkg/IntelTdx/PrePiHobListPointerLibTdx/PrePiHobListPointerLibTdx.inf create mode 100644 OvmfPkg/IntelTdx/Sec/SecMain.c create mode 100644 OvmfPkg/IntelTdx/Sec/SecMain.inf create mode 100644 OvmfPkg/IntelTdx/Sec/X64/SecEntry.nasm create mode 100644 OvmfPkg/Library/PeilessStartupLib/DxeLoad.c create mode 100644 OvmfPkg/Library/PeilessStartupLib/Hob.c create mode 100644 OvmfPkg/Library/PeilessStartupLib/PeilessStartup.c create mode 100644 OvmfPkg/Library/PeilessStartupLib/PeilessStartupInternal.h create mode 100644 OvmfPkg/Library/PeilessStartupLib/PeilessStartupLib.inf create mode 100644 OvmfPkg/Library/PeilessStartupLib/X64/PageTables.h create mode 100644 OvmfPkg/Library/PeilessStartupLib/X64/VirtualMemory.c -- 2.29.2.windows.2 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. 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