From nobody Mon Feb 9 17:07:45 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+84733+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+84733+1787277+3901457@groups.io; dmarc=fail(p=none dis=none) header.from=intel.com ARC-Seal: i=1; a=rsa-sha256; t=1639400376; cv=none; d=zohomail.com; s=zohoarc; b=L0oyQcnNQish9YmRzLaeFg9cgrLA82RTNLdp4lBDAhqFHR50po15nAGRqnx5f0QK/oUNR4qEfZHHdCX0OMmY0rdy9JIEiAGQS8tHtaCApYv6ufJNzUwBsMQMduR1NJ5RdOjMDtytgW+n/5KGaC0JZpqTEZ/OJe9lE7KkD+W6S8s= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1639400376; h=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=a0bdidCHOn41Y6MRs3I7dO+iJb7C2USMzLWN9RtVrhM=; b=UYTVaim60nD0wIeP2HwvDE3Rc7842HrO12XGl+py0Y0NUCpjGHFL4PZgtrsujumIO5ZMj5ZWJDN5V+RMSPdXH54kocvORx0geesHycWuOrn3TWVWByHvPH/oNLnjrWnfzH81qKEdFApBddbudtGuzfhyYsfHrMwBppl/lXLh1Ms= 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+84733+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 1639400376714425.14089995759366; Mon, 13 Dec 2021 04:59:36 -0800 (PST) Return-Path: X-Received: by 127.0.0.2 with SMTP id TM9QYY1788612xCiRGEG9UJt; Mon, 13 Dec 2021 04:59:36 -0800 X-Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by mx.groups.io with SMTP id smtpd.web11.10632.1639400372217809539 for ; Mon, 13 Dec 2021 04:59:35 -0800 X-IronPort-AV: E=McAfee;i="6200,9189,10196"; a="302106064" X-IronPort-AV: E=Sophos;i="5.88,202,1635231600"; d="scan'208";a="302106064" X-Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Dec 2021 04:59:35 -0800 X-IronPort-AV: E=Sophos;i="5.88,202,1635231600"; d="scan'208";a="517739002" X-Received: from mxu9-mobl1.ccr.corp.intel.com ([10.249.173.142]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Dec 2021 04:59:31 -0800 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 , Gerd Hoffmann Subject: [edk2-devel] [PATCH V4 26/31] OvmfPkg/QemuFwCfgLib: Support Tdx in QemuFwCfgDxe Date: Mon, 13 Dec 2021 20:56:57 +0800 Message-Id: <96bda5f54d7e68fc137a26da6c9e0c0e34a1d835.1639399598.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: 03P7LCX9QhEoGI3hu5tba3pKx1787277AA= Content-Transfer-Encoding: quoted-printable DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1639400376; bh=7tlorgjUS6EwcNthw0jmqH/wL84UDigU8qxITi6iVMk=; h=Cc:Date:From:Reply-To:Subject:To; b=dgyS5C0AcS2+YOwkXj/qjw3PWoCct5zHnG/mUMRkzGlKkzSeHRDVUePulcHryxBaXuP xykIyxnRYIZrdEq4Rtlb7ZcMcCJUZOTriJepQWea3nSvutc9PjNkxwLVttdzXirAS1C2n gmXuB0uoD4zTgZ85ErNV8BcEUL37FsDADAc= X-ZohoMail-DKIM: pass (identity @groups.io) X-ZM-MESSAGEID: 1639400377575100002 Content-Type: text/plain; charset="utf-8" RFC: 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 Cc: Gerd Hoffmann Signed-off-by: Min Xu Acked-by: Gerd Hoffmann --- 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 f5787cd24d38..6a810928a060 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 // @@ -100,7 +101,7 @@ QemuFwCfgInitialize ( 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__ )); @@ -411,10 +412,10 @@ 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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