From nobody Sat Feb 7 04:46:59 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of groups.io designates 66.175.222.108 as permitted sender) client-ip=66.175.222.108; envelope-from=bounce+27952+81498+1787277+3901457@groups.io; helo=mail02.groups.io; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of groups.io designates 66.175.222.108 as permitted sender) smtp.mailfrom=bounce+27952+81498+1787277+3901457@groups.io; dmarc=fail(p=none dis=none) header.from=intel.com ARC-Seal: i=1; a=rsa-sha256; t=1633405270; cv=none; d=zohomail.com; s=zohoarc; b=LgcPjkzQVZFqrZ+NGNoFcCzBEs3OVi6u4X3usOhS733BiAL/XxQ+isxIdFkwz2xzUugW45s40uExXL4lemH9ULpI8HSRehSvKUlw93rSjcTRX+AqA3WuLTv64S8F6O9N3xyQ2y3UAjapkHaJ9C+VGVF+yLJkCGJwnQuF4i3di6k= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1633405270; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:References:Sender:Subject:To; bh=a5D5q0VjFoJeoxKDi9le4Lyf9rInC46ae4tblGWR6eY=; b=WB6Qdw0ctt/wFPF+kJt5TfSD0+hYavffflErL21JSCJ0kKEf1x5TcfXhR6lo1D+l5Os7YCfDASAuUtYiNQESvFOhFKA3B+cKkR+4xASvyvEwtMNysCiUGHaIveEdgrYpwF3kHKoQlYxwIEuO5Q4TTRM1zZaJn+kecwAfxR1/chI= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of groups.io designates 66.175.222.108 as permitted sender) smtp.mailfrom=bounce+27952+81498+1787277+3901457@groups.io; dmarc=fail header.from= (p=none dis=none) Received: from mail02.groups.io (mail02.groups.io [66.175.222.108]) by mx.zohomail.com with SMTPS id 1633405270639193.89932975201305; Mon, 4 Oct 2021 20:41:10 -0700 (PDT) Return-Path: X-Received: by 127.0.0.2 with SMTP id g34QYY1788612xoomokuQ8Vl; Mon, 04 Oct 2021 20:41:10 -0700 X-Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by mx.groups.io with SMTP id smtpd.web12.20766.1633405266346904661 for ; Mon, 04 Oct 2021 20:41:07 -0700 X-IronPort-AV: E=McAfee;i="6200,9189,10127"; a="225958273" X-IronPort-AV: E=Sophos;i="5.85,347,1624345200"; d="scan'208";a="225958273" X-Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Oct 2021 20:41:06 -0700 X-IronPort-AV: E=Sophos;i="5.85,347,1624345200"; d="scan'208";a="487828855" X-Received: from mxu9-mobl1.ccr.corp.intel.com ([10.255.29.239]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Oct 2021 20:41:04 -0700 From: "Min Xu" To: devel@edk2.groups.io Cc: Min Xu , Ard Biesheuvel , Jordan Justen , Brijesh Singh , Erdem Aktas , James Bottomley , Jiewen Yao , Tom Lendacky Subject: [edk2-devel] [PATCH V2 26/28] OvmfPkg/QemuFwCfgLib: Support Tdx in QemuFwCfgDxe Date: Tue, 5 Oct 2021 11:39:37 +0800 Message-Id: <68acc64acd6a891be2727d164bb424360b3c9d05.1633401643.git.min.m.xu@intel.com> In-Reply-To: References: MIME-Version: 1.0 Precedence: Bulk List-Unsubscribe: List-Subscribe: List-Help: Sender: devel@edk2.groups.io List-Id: Mailing-List: list devel@edk2.groups.io; contact devel+owner@edk2.groups.io Reply-To: devel@edk2.groups.io,min.m.xu@intel.com X-Gm-Message-State: FxfF2izF9VOVvQfeSOPeQmkfx1787277AA= Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1633405270; bh=X18MKbXWInADBg5p3z1OtzKGSc/nNykyEdr52LWLqAM=; h=Cc:Content-Type:Date:From:Reply-To:Subject:To; b=AeRUwsDvSB9zNA2Qwrs1Bvk2SGYFo56eUJfpH1ZMEeq3FyuAWLGxJ+CxdExlfQcZSN5 lvE7pZ3H057M7Drthzag1QaDdO4X7QXRTBaDnWTeu9/T62eOH5wmgwdWmy/2r+nTv063r CEhM1Czw9bmlO0kp+QA0dN2s03Z43T2fOxw= X-ZohoMail-DKIM: pass (identity @groups.io) X-ZM-MESSAGEID: 1633405271102100042 RFC=EF=BC=9A https://bugzilla.tianocore.org/show_bug.cgi?id=3D3429 In the previous QemuFwCfgDxe only SEV is supported. This commit introduce TDX support in QemuFwCfgDxe. Cc: Ard Biesheuvel Cc: Jordan Justen Cc: Brijesh Singh Cc: Erdem Aktas Cc: James Bottomley Cc: Jiewen Yao Cc: Tom Lendacky Signed-off-by: Min Xu --- OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgDxe.c | 9 +++++---- OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgDxeLib.inf | 1 + 2 files changed, 6 insertions(+), 4 deletions(-) diff --git a/OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgDxe.c b/OvmfPkg/Library/= QemuFwCfgLib/QemuFwCfgDxe.c index 0182c9235cac..7a60b3e82863 100644 --- a/OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgDxe.c +++ b/OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgDxe.c @@ -19,6 +19,7 @@ #include #include #include +#include #include =20 #include "QemuFwCfgLibInternal.h" @@ -85,7 +86,7 @@ QemuFwCfgInitialize ( DEBUG ((DEBUG_INFO, "QemuFwCfg interface (DMA) is supported.\n")); } =20 - if (mQemuFwCfgDmaSupported && MemEncryptSevIsEnabled ()) { + if (mQemuFwCfgDmaSupported && (MemEncryptSevIsEnabled () || (MemEncryptT= dxIsEnabled ()))) { EFI_STATUS Status; =20 // @@ -96,7 +97,7 @@ QemuFwCfgInitialize ( (VOID **)&mIoMmuProtocol); if (EFI_ERROR (Status)) { DEBUG ((DEBUG_ERROR, - "QemuFwCfgSevDma %a:%a Failed to locate IOMMU protocol.\n", + "QemuFwCfgDma %a:%a Failed to locate IOMMU protocol.\n", gEfiCallerBaseName, __FUNCTION__)); ASSERT (FALSE); CpuDeadLoop (); @@ -371,10 +372,10 @@ InternalQemuFwCfgDmaBytes ( DataBuffer =3D Buffer; =20 // - // When SEV is enabled, map Buffer to DMA address before issuing the DMA + // When SEV or TDX is enabled, map Buffer to DMA address before issuing = the DMA // request // - if (MemEncryptSevIsEnabled ()) { + if (MemEncryptSevIsEnabled() || MemEncryptTdxIsEnabled ()) { VOID *AccessBuffer; EFI_PHYSICAL_ADDRESS DataBufferAddress; =20 diff --git a/OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgDxeLib.inf b/OvmfPkg/Lib= rary/QemuFwCfgLib/QemuFwCfgDxeLib.inf index 48899ff1236a..ce3eaa5ed8b4 100644 --- a/OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgDxeLib.inf +++ b/OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgDxeLib.inf @@ -43,6 +43,7 @@ IoLib MemoryAllocationLib MemEncryptSevLib + MemEncryptTdxLib =20 [Protocols] gEdkiiIoMmuProtocolGuid ## SOMETIMES_CONSUMES --=20 2.29.2.windows.2 -=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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