From nobody Mon Feb 9 05:01:44 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+86800+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+86800+1787277+3901457@groups.io; dmarc=fail(p=none dis=none) header.from=intel.com ARC-Seal: i=1; a=rsa-sha256; t=1645271941; cv=none; d=zohomail.com; s=zohoarc; b=QYAtIPPEn35lRP8+5zk69uzlxc6ilNiVBFR1iKIjdSJBjmegg4WwNoRVYTC2yTRCSImG/INf3RwvxstOEmIdxc5iEsp1CACQhABasztZq54F5PgA6lemmsVr08kqSUbziyB+qruge1ZX0X41GtNwAMXhkJMzQeF6AfDNo4f+o+g= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1645271941; 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=jQbAPZHpyLAv8Y9+YKI2IMF92BlyF8x4f3p++Yf9qa8=; b=nVMTDk2laFAY76s9WddOUmFoqXI7m7yrmz7E4APeplMVnwZ7pB+3fXIS21JfJ2rp6cZRmHun/1Hgo5lcqZYRLr5dfKMaSJWbvmdH6vmiaB8/QrnCNpQyJUAhRu5TamhbCVohK3VffZUX36vraddg9BA/sWFEG3b8Yo+FGhVssG4= 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+86800+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 1645271941763451.1466561926628; Sat, 19 Feb 2022 03:59:01 -0800 (PST) Return-Path: X-Received: by 127.0.0.2 with SMTP id dde6YY1788612x94piVGgbZc; Sat, 19 Feb 2022 03:59:01 -0800 X-Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by mx.groups.io with SMTP id smtpd.web08.9100.1645271933337984887 for ; Sat, 19 Feb 2022 03:59:00 -0800 X-IronPort-AV: E=McAfee;i="6200,9189,10262"; a="231915624" X-IronPort-AV: E=Sophos;i="5.88,381,1635231600"; d="scan'208";a="231915624" X-Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Feb 2022 03:58:59 -0800 X-IronPort-AV: E=Sophos;i="5.88,381,1635231600"; d="scan'208";a="546691469" X-Received: from mxu9-mobl1.ccr.corp.intel.com ([10.249.175.253]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Feb 2022 03:58:57 -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 V6 38/42] OvmfPkg/QemuFwCfgLib: Support Tdx in QemuFwCfgDxe Date: Sat, 19 Feb 2022 19:56:51 +0800 Message-Id: <010ee69c5797ed1aa4c93fcdb9b75313c8692cb6.1645261991.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: Lnsg4sBGRlk4kYZHAd2TdwDlx1787277AA= Content-Transfer-Encoding: quoted-printable DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1645271941; bh=Mx0XvZWbGIoq2cyLTQatZQqIiHhFRu9OXwQ7owDunD0=; h=Cc:Date:From:Reply-To:Subject:To; b=bmukNnQsCkuy9SC6SQZjJj+JLv2NwS+Vu+aq3tTfIw6U8C/Ks+LKqCtCnyCtZPA0uye EsOQC6aaIiiDcNzXVfTs18R4CHX6+uzyxM+Aw4NoDLrIcmLYk24g23KB2AGq2CzOaCO2B Rgo0pXv0Q73jniU/xF/1bPbCbadu4FWzfTk= X-ZohoMail-DKIM: pass (identity @groups.io) X-ZM-MESSAGEID: 1645271942314100035 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 Acked-by: Gerd Hoffmann 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 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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