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contact devel+owner@edk2.groups.io Reply-To: devel@edk2.groups.io,brijesh.singh@amd.com X-Gm-Message-State: Era2GgGfRlr04IbfQWyfjN8Nx1787277AA= Content-Transfer-Encoding: quoted-printable DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1620419963; bh=oSDEoxB3i+y6R6jueAedxvq1xRF8e0351UliA9aFRSM=; h=CC:Content-Type:Date:From:Reply-To:Subject:To; b=Pc89aFOSHLmyOYeTD6DIgi/ssFo71iqeCQGekHOwlBSDY1nvza5WOki5eY7jSGB05kJ wwT7Cx+fI8OnyHZB+rUT5FqgTuTN/rU+3XxreWSDw0vANywVwX38BuwF7ye1iWsWzBoNn zWCAsr1Mxi5f7DM7NXqsKdETdJEMYQY/qp8= X-ZohoMail-DKIM: pass (identity @groups.io) Content-Type: text/plain; charset="utf-8" BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3D3275 Use the MemEncryptSevClearMmioPageEncMask() to clear memory encryption mask for the Mmio and NonExistent address range. Cc: James Bottomley Cc: Min Xu Cc: Jiewen Yao Cc: Tom Lendacky Cc: Jordan Justen Cc: Ard Biesheuvel Cc: Laszlo Ersek Cc: Erdem Aktas Signed-off-by: Brijesh Singh Reviewed-by: Laszlo Ersek --- OvmfPkg/AmdSevDxe/AmdSevDxe.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/OvmfPkg/AmdSevDxe/AmdSevDxe.c b/OvmfPkg/AmdSevDxe/AmdSevDxe.c index 689bfb376d03..80831b81facf 100644 --- a/OvmfPkg/AmdSevDxe/AmdSevDxe.c +++ b/OvmfPkg/AmdSevDxe/AmdSevDxe.c @@ -53,11 +53,10 @@ AmdSevDxeEntryPoint ( Desc =3D &AllDescMap[Index]; if (Desc->GcdMemoryType =3D=3D EfiGcdMemoryTypeMemoryMappedIo || Desc->GcdMemoryType =3D=3D EfiGcdMemoryTypeNonExistent) { - Status =3D MemEncryptSevClearPageEncMask ( + Status =3D MemEncryptSevClearMmioPageEncMask ( 0, Desc->BaseAddress, - EFI_SIZE_TO_PAGES (Desc->Length), - FALSE + EFI_SIZE_TO_PAGES (Desc->Length) ); ASSERT_EFI_ERROR (Status); } @@ -73,11 +72,10 @@ AmdSevDxeEntryPoint ( // the range. // if (PcdGet16 (PcdOvmfHostBridgePciDevId) =3D=3D INTEL_Q35_MCH_DEVICE_ID)= { - Status =3D MemEncryptSevClearPageEncMask ( + Status =3D MemEncryptSevClearMmioPageEncMask ( 0, FixedPcdGet64 (PcdPciExpressBaseAddress), - EFI_SIZE_TO_PAGES (SIZE_256MB), - FALSE + EFI_SIZE_TO_PAGES (SIZE_256MB) ); =20 ASSERT_EFI_ERROR (Status); --=20 2.17.1 -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- Groups.io Links: You receive all messages sent to this group. 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