From nobody Mon Feb 9 00:56:42 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+93680+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+93680+1787277+3901457@groups.io; dmarc=fail(p=none dis=none) header.from=intel.com ARC-Seal: i=1; a=rsa-sha256; t=1663027373; cv=none; d=zohomail.com; s=zohoarc; b=CBtv0lVqV/HHXdWBcu7oByVgitmica3RASWnPJZvNEd2bDe+tJwXPwB4OlsV1/H0q1zKpnu19tr9KpkuZlto88OZlv2yGkE4PiH0Nl8R9/ofUvMYi/i3r56x4B6qCgWBiO2GL7cjGayiuJbqCpYFK0zQ3316hu1vOAvmvlTSi4A= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1663027373; 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=K18vAoRv8O0P+Ywo8xT51LfjEss/y2u1/qo/vpR27d8=; b=XktkSoOjtxS0HbhtKDdWAdXKITqSr1JBPuJA3fXBaZIwW0Nsyb6X4rBeE9UUISAo81YQhtfcTEqpWF4frcmcJWh4L/2i0NXz0v8MSS6MkCtd0OQMPwybtlBuK1Naf/ViN6fq/dwm/Mev0SMuroctSxIiawjbJVjBFVKoMLcQDts= 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+93680+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 1663027373494223.57947689315654; Mon, 12 Sep 2022 17:02:53 -0700 (PDT) Return-Path: X-Received: by 127.0.0.2 with SMTP id HNPPYY1788612xEUwxIvxR6K; Mon, 12 Sep 2022 17:02:53 -0700 X-Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by mx.groups.io with SMTP id smtpd.web09.3237.1663027349527091004 for ; Mon, 12 Sep 2022 17:02:52 -0700 X-IronPort-AV: E=McAfee;i="6500,9779,10468"; a="384294553" X-IronPort-AV: E=Sophos;i="5.93,311,1654585200"; d="scan'208";a="384294553" X-Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Sep 2022 17:02:52 -0700 X-IronPort-AV: E=Sophos;i="5.93,311,1654585200"; d="scan'208";a="678321002" X-Received: from mxu9-mobl1.ccr.corp.intel.com ([10.254.212.104]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Sep 2022 17:02:50 -0700 From: "Min Xu" To: devel@edk2.groups.io Cc: Min M Xu , Erdem Aktas , James Bottomley , Jiewen Yao , Gerd Hoffmann , Tom Lendacky Subject: [edk2-devel] [PATCH V4 10/10] OvmfPkg: Call gEdkiiMemoryAcceptProtocolGuid to accept pages Date: Tue, 13 Sep 2022 08:02:14 +0800 Message-Id: <94f2b47d407484585db944c085d4de087769cb03.1663026445.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: PhTZyR1NaZFbazwE0SBVCVsyx1787277AA= Content-Transfer-Encoding: quoted-printable DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1663027373; bh=dfGxbegyoAytzKc3X3gMhGaq9L4A2Hpd0QQZZTuYaFs=; h=Cc:Date:From:Reply-To:Subject:To; b=vTSm2e9VW0TeffZ6mdklzupVGzhCYjklACoBh8gEzXcC6PnpAoCWiM2gQDVRYA/o631 LaSXxhRxOANatkhkehg0VtF+AJqDziEvCamLYaSHsu56pNaylv2BjiQXYjTKExhHJXbcs eWpLqdukigy4HfZ3v8GXZhFPkBYrMWB/rCo= X-ZohoMail-DKIM: pass (identity @groups.io) X-ZM-MESSAGEID: 1663027375160100043 Content-Type: text/plain; charset="utf-8" From: Min M Xu RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3D3937 After EdkiiMemoryAcceptProtocol is implemented in TdxDxe driver, we can call it to accept pages in DXE phase. Cc: Erdem Aktas Cc: James Bottomley Cc: Jiewen Yao Cc: Gerd Hoffmann Cc: Tom Lendacky Acked-by: Gerd Hoffmann Signed-off-by: Min Xu --- .../BaseMemEncryptTdxLib/BaseMemEncryptTdxLib.inf | 3 +++ .../Library/BaseMemEncryptTdxLib/MemoryEncryption.c | 12 +++++++++--- 2 files changed, 12 insertions(+), 3 deletions(-) diff --git a/OvmfPkg/Library/BaseMemEncryptTdxLib/BaseMemEncryptTdxLib.inf = b/OvmfPkg/Library/BaseMemEncryptTdxLib/BaseMemEncryptTdxLib.inf index a8abfec12fa3..11768825f8ca 100644 --- a/OvmfPkg/Library/BaseMemEncryptTdxLib/BaseMemEncryptTdxLib.inf +++ b/OvmfPkg/Library/BaseMemEncryptTdxLib/BaseMemEncryptTdxLib.inf @@ -42,3 +42,6 @@ =20 [Pcd] gEfiMdePkgTokenSpaceGuid.PcdConfidentialComputingGuestAttr + +[Protocols] + gEdkiiMemoryAcceptProtocolGuid diff --git a/OvmfPkg/Library/BaseMemEncryptTdxLib/MemoryEncryption.c b/Ovmf= Pkg/Library/BaseMemEncryptTdxLib/MemoryEncryption.c index 9d11c6e4df72..503f626d75c6 100644 --- a/OvmfPkg/Library/BaseMemEncryptTdxLib/MemoryEncryption.c +++ b/OvmfPkg/Library/BaseMemEncryptTdxLib/MemoryEncryption.c @@ -27,6 +27,8 @@ #include "VirtualMemory.h" #include #include +#include +#include #include =20 typedef enum { @@ -517,8 +519,9 @@ SetOrClearSharedBit ( IN UINT64 Length ) { - UINT64 AddressEncMask; - UINT64 Status; + UINT64 AddressEncMask; + UINT64 Status; + EDKII_MEMORY_ACCEPT_PROTOCOL *MemoryAcceptProtocol; =20 AddressEncMask =3D GetMemEncryptionAddressMask (); =20 @@ -539,7 +542,10 @@ SetOrClearSharedBit ( // If changing shared to private, must accept-page again // if (Mode =3D=3D ClearSharedBit) { - TdAcceptPages (PhysicalAddress, Length / EFI_PAGE_SIZE, EFI_PAGE_SIZE); + Status =3D gBS->LocateProtocol (&gEdkiiMemoryAcceptProtocolGuid, NULL,= (VOID **)&MemoryAcceptProtocol); + ASSERT (!EFI_ERROR (Status)); + Status =3D MemoryAcceptProtocol->AcceptMemory (MemoryAcceptProtocol, P= hysicalAddress, Length); + ASSERT (!EFI_ERROR (Status)); } =20 DEBUG (( --=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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