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contact devel+owner@edk2.groups.io Reply-To: devel@edk2.groups.io,brijesh.singh@amd.com X-Gm-Message-State: kyOeM3ygBgrCi4aMZqL7YrTBx1787277AA= Content-Transfer-Encoding: quoted-printable DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1620419965; bh=JY2iIp4oTQds289bW2j+HHkyjdhTmQU28TxCbfNV/Rk=; h=CC:Content-Type:Date:From:Reply-To:Subject:To; b=WbQ0x9hPzxN/4KZ+gABTrtx73PGpMNsOn8SI3kzJe1KKg6EdncCU9/edo75Hh3Jlek9 YaIPOXX9iLYlaX3RY1UjX7i7ckiU8f+BocFtgqc7Rz41ZfB8fx5g6ymzi8GMnY/cuYw16 x8uamrTZ9WCCwVz00mwhKOZnogP1RZ87Hdo= 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 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/Tcg/TpmMmioSevDecryptPei/TpmMmioSevDecryptPeim.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/OvmfPkg/Tcg/TpmMmioSevDecryptPei/TpmMmioSevDecryptPeim.c b/Ovm= fPkg/Tcg/TpmMmioSevDecryptPei/TpmMmioSevDecryptPeim.c index df2ad623308d..570c8467a673 100644 --- a/OvmfPkg/Tcg/TpmMmioSevDecryptPei/TpmMmioSevDecryptPeim.c +++ b/OvmfPkg/Tcg/TpmMmioSevDecryptPei/TpmMmioSevDecryptPeim.c @@ -62,11 +62,10 @@ TpmMmioSevDecryptPeimEntryPoint ( "%a: mapping TPM MMIO address range unencrypted\n", __FUNCTION__)); =20 - DecryptStatus =3D MemEncryptSevClearPageEncMask ( + DecryptStatus =3D MemEncryptSevClearMmioPageEncMask ( 0, FixedPcdGet64 (PcdTpmBaseAddress), - EFI_SIZE_TO_PAGES ((UINTN) 0x5000), - FALSE + EFI_SIZE_TO_PAGES ((UINTN) 0x5000) ); =20 if (RETURN_ERROR (DecryptStatus)) { --=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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