RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3429
Guest Physical Address (GPA) space in Td guest is divided into private and shared sub-spaces, determined by the SHARED bit of GPA. This PCD holds the shared bit mask. Its default value is 0 and it will be set in PlatformPei driver if it is of Td guest. Cc: Jian J Wang <jian.j.w...@intel.com> Cc: Hao A Wu <hao.a...@intel.com> Cc: Brijesh Singh <brijesh.si...@amd.com> Cc: Erdem Aktas <erdemak...@google.com> Cc: James Bottomley <j...@linux.ibm.com> Cc: Jiewen Yao <jiewen....@intel.com> Cc: Tom Lendacky <thomas.lenda...@amd.com> Cc: Gerd Hoffmann <kra...@redhat.com> Acked-by: Gerd Hoffmann <kra...@redhat.com> Signed-off-by: Min Xu <min.m...@intel.com> --- MdeModulePkg/MdeModulePkg.dec | 4 ++++ OvmfPkg/AmdSev/AmdSevX64.dsc | 3 +++ OvmfPkg/Bhyve/BhyveX64.dsc | 3 +++ OvmfPkg/CloudHv/CloudHvX64.dsc | 3 +++ OvmfPkg/Microvm/MicrovmX64.dsc | 3 +++ OvmfPkg/OvmfPkgIa32.dsc | 3 +++ OvmfPkg/OvmfPkgIa32X64.dsc | 1 + OvmfPkg/OvmfPkgX64.dsc | 3 +++ OvmfPkg/OvmfXen.dsc | 3 +++ 9 files changed, 26 insertions(+) diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec index 463e889e9a68..1a2425974f44 100644 --- a/MdeModulePkg/MdeModulePkg.dec +++ b/MdeModulePkg/MdeModulePkg.dec @@ -2079,6 +2079,10 @@ # @Prompt Enable PCIe Resizable BAR Capability support. gEfiMdeModulePkgTokenSpaceGuid.PcdPcieResizableBarSupport|FALSE|BOOLEAN|0x10000024 + ## This PCD holds the shared bit mask for page table entries when Tdx is enabled. + # @Prompt The shared bit mask when Intel Tdx is enabled. + gEfiMdeModulePkgTokenSpaceGuid.PcdTdxSharedBitMask|0x0|UINT64|0x10000025 + [PcdsPatchableInModule] ## Specify memory size with page number for PEI code when # Loading Module at Fixed Address feature is enabled. diff --git a/OvmfPkg/AmdSev/AmdSevX64.dsc b/OvmfPkg/AmdSev/AmdSevX64.dsc index c173a72134f4..dda98aa43bdb 100644 --- a/OvmfPkg/AmdSev/AmdSevX64.dsc +++ b/OvmfPkg/AmdSev/AmdSevX64.dsc @@ -558,6 +558,9 @@ # Set memory encryption mask gEfiMdeModulePkgTokenSpaceGuid.PcdPteMemoryEncryptionAddressOrMask|0x0 + # Set Tdx shared bit mask + gEfiMdeModulePkgTokenSpaceGuid.PcdTdxSharedBitMask|0x0 + # Set SEV-ES defaults gEfiMdeModulePkgTokenSpaceGuid.PcdGhcbBase|0 gEfiMdeModulePkgTokenSpaceGuid.PcdGhcbSize|0 diff --git a/OvmfPkg/Bhyve/BhyveX64.dsc b/OvmfPkg/Bhyve/BhyveX64.dsc index 656e407473bb..0daae82d6705 100644 --- a/OvmfPkg/Bhyve/BhyveX64.dsc +++ b/OvmfPkg/Bhyve/BhyveX64.dsc @@ -550,6 +550,9 @@ # Set memory encryption mask gEfiMdeModulePkgTokenSpaceGuid.PcdPteMemoryEncryptionAddressOrMask|0x0 + # Set Tdx shared bit mask + gEfiMdeModulePkgTokenSpaceGuid.PcdTdxSharedBitMask|0x0 + gEfiSecurityPkgTokenSpaceGuid.PcdOptionRomImageVerificationPolicy|0x00 # MdeModulePkg resolution sets up the system display resolution diff --git a/OvmfPkg/CloudHv/CloudHvX64.dsc b/OvmfPkg/CloudHv/CloudHvX64.dsc index c307f1cc7550..1732f281b435 100644 --- a/OvmfPkg/CloudHv/CloudHvX64.dsc +++ b/OvmfPkg/CloudHv/CloudHvX64.dsc @@ -603,6 +603,9 @@ # Set memory encryption mask gEfiMdeModulePkgTokenSpaceGuid.PcdPteMemoryEncryptionAddressOrMask|0x0 + # Set Tdx shared bit mask + gEfiMdeModulePkgTokenSpaceGuid.PcdTdxSharedBitMask|0x0 + # Set SEV-ES defaults gEfiMdeModulePkgTokenSpaceGuid.PcdGhcbBase|0 gEfiMdeModulePkgTokenSpaceGuid.PcdGhcbSize|0 diff --git a/OvmfPkg/Microvm/MicrovmX64.dsc b/OvmfPkg/Microvm/MicrovmX64.dsc index 0eac0c02c630..cde90f523520 100644 --- a/OvmfPkg/Microvm/MicrovmX64.dsc +++ b/OvmfPkg/Microvm/MicrovmX64.dsc @@ -592,6 +592,9 @@ # Set memory encryption mask gEfiMdeModulePkgTokenSpaceGuid.PcdPteMemoryEncryptionAddressOrMask|0x0 + # Set Tdx shared bit mask + gEfiMdeModulePkgTokenSpaceGuid.PcdTdxSharedBitMask|0x0 + # Set SEV-ES defaults gEfiMdeModulePkgTokenSpaceGuid.PcdGhcbBase|0 gEfiMdeModulePkgTokenSpaceGuid.PcdGhcbSize|0 diff --git a/OvmfPkg/OvmfPkgIa32.dsc b/OvmfPkg/OvmfPkgIa32.dsc index 8f02dca63869..01a26c234a88 100644 --- a/OvmfPkg/OvmfPkgIa32.dsc +++ b/OvmfPkg/OvmfPkgIa32.dsc @@ -618,6 +618,9 @@ # Set memory encryption mask gEfiMdeModulePkgTokenSpaceGuid.PcdPteMemoryEncryptionAddressOrMask|0x0 + # Set Tdx shared bit mask + gEfiMdeModulePkgTokenSpaceGuid.PcdTdxSharedBitMask|0x0 + # Set SEV-ES defaults gEfiMdeModulePkgTokenSpaceGuid.PcdGhcbBase|0 gEfiMdeModulePkgTokenSpaceGuid.PcdGhcbSize|0 diff --git a/OvmfPkg/OvmfPkgIa32X64.dsc b/OvmfPkg/OvmfPkgIa32X64.dsc index 98a6748c62dd..bf08e893e053 100644 --- a/OvmfPkg/OvmfPkgIa32X64.dsc +++ b/OvmfPkg/OvmfPkgIa32X64.dsc @@ -631,6 +631,7 @@ # Set memory encryption mask gEfiMdeModulePkgTokenSpaceGuid.PcdPteMemoryEncryptionAddressOrMask|0x0 + gEfiMdeModulePkgTokenSpaceGuid.PcdTdxSharedBitMask|0x0 # Set SEV-ES defaults gEfiMdeModulePkgTokenSpaceGuid.PcdGhcbBase|0 diff --git a/OvmfPkg/OvmfPkgX64.dsc b/OvmfPkg/OvmfPkgX64.dsc index 2df5b2999610..3092036bb7f6 100644 --- a/OvmfPkg/OvmfPkgX64.dsc +++ b/OvmfPkg/OvmfPkgX64.dsc @@ -642,6 +642,9 @@ # Set memory encryption mask gEfiMdeModulePkgTokenSpaceGuid.PcdPteMemoryEncryptionAddressOrMask|0x0 + # Set Tdx shared bit mask + gEfiMdeModulePkgTokenSpaceGuid.PcdTdxSharedBitMask|0x0 + # Set SEV-ES defaults gEfiMdeModulePkgTokenSpaceGuid.PcdGhcbBase|0 gEfiMdeModulePkgTokenSpaceGuid.PcdGhcbSize|0 diff --git a/OvmfPkg/OvmfXen.dsc b/OvmfPkg/OvmfXen.dsc index aa27e2256ae9..470c8cfe4d23 100644 --- a/OvmfPkg/OvmfXen.dsc +++ b/OvmfPkg/OvmfXen.dsc @@ -495,6 +495,9 @@ # Set memory encryption mask gEfiMdeModulePkgTokenSpaceGuid.PcdPteMemoryEncryptionAddressOrMask|0x0 + # Set Tdx shared bit mask + gEfiMdeModulePkgTokenSpaceGuid.PcdTdxSharedBitMask|0x0 + gEfiSecurityPkgTokenSpaceGuid.PcdOptionRomImageVerificationPolicy|0x00 ################################################################################ -- 2.29.2.windows.2 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#87503): https://edk2.groups.io/g/devel/message/87503 Mute This Topic: https://groups.io/mt/89725437/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
