From nobody Wed Feb 11 04:00:58 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+94769+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+94769+1787277+3901457@groups.io ARC-Seal: i=1; a=rsa-sha256; t=1665002031; cv=none; d=zohomail.com; s=zohoarc; b=f32t8xGIA04GEAnxMVgOD9bDZbQ7E6pS0AeCOAPz5OQVMnzbybygAqBDmqde5bYuPCJEnC9X4Q7eiPIjXqB7xl3woL4cU0/FbaWxaKmRFhQl6hPZ1SUs6XX4U8YBGqN3+uWRERH7RdE1sKK66z2+rJNsS9N26AsKikZg7jLwIQU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1665002031; h=Content-Type: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=/uoMHoIrpp3tzO2rZrUwXd7EPFJfov7Q4utRbSYBbK0=; b=Ju89qBGclOGKSaBsEaGOO+UtJSgdRo2mob+fZZjCbZJ/cNi36cR8BqHxgfIs/tsCCjrjRrX6GXAY91j8nl5UtkEdMbCJh3HnL37+4MgFHNSW5M6NlLqVdhRV1F9uAihxjH+sTA9ldyZzx1G6A+Lkc2mUa4thIBrGQnfWUw39bzY= 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+94769+1787277+3901457@groups.io Received: from mail02.groups.io (mail02.groups.io [66.175.222.108]) by mx.zohomail.com with SMTPS id 1665002031487197.6109794069671; Wed, 5 Oct 2022 13:33:51 -0700 (PDT) Return-Path: X-Received: by 127.0.0.2 with SMTP id AktBYY1788612x7snbh5BgXm; Wed, 05 Oct 2022 13:33:51 -0700 X-Received: from mail-pf1-f202.google.com (mail-pf1-f202.google.com [209.85.210.202]) by mx.groups.io with SMTP id smtpd.web08.432.1665002030429227143 for ; Wed, 05 Oct 2022 13:33:50 -0700 X-Received: by mail-pf1-f202.google.com with SMTP id j25-20020aa78d19000000b00561f966ae13so2301126pfe.14 for ; Wed, 05 Oct 2022 13:33:50 -0700 (PDT) X-Gm-Message-State: ggeaAcXU5pDoSkyjPNKLC5PSx1787277AA= X-Google-Smtp-Source: AMsMyM4Z5Zu9AxPax9MCMXM/cxWGgemNCKoPLDXj2SQgh14tubUeNqWWPXe0kwi+5cFxiLJZRzuC31W0Tbx8tbtOsg== X-Received: from dionnaglaze.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:2ee6]) (user=dionnaglaze job=sendgmr) by 2002:a17:90b:1242:b0:20a:f75c:de7 with SMTP id gx2-20020a17090b124200b0020af75c0de7mr2945010pjb.70.1665002029745; Wed, 05 Oct 2022 13:33:49 -0700 (PDT) Date: Wed, 5 Oct 2022 20:33:28 +0000 In-Reply-To: <20221005203329.469866-1-dionnaglaze@google.com> Mime-Version: 1.0 References: <20221005203329.469866-1-dionnaglaze@google.com> Message-ID: <20221005203329.469866-7-dionnaglaze@google.com> Subject: [edk2-devel] [PATCH v7 6/7] OvmfPkg: Implement AcceptAllUnacceptedMemory in CocoDxe From: "Dionna Glaze via groups.io" To: devel@edk2.groups.io Cc: Dionna Glaze , Gerd Hoffmann , James Bottomley , Jiewen Yao , Tom Lendacky , Ard Biesheuvel , "Min M. Xu" , Andrew Fish , "Michael D. Kinney" 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,dionnaglaze@google.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1665002031; bh=En7mYZf6C125VZE0wYaDUIvj9rrhuZ94nqDz+JtHsxY=; h=Cc:Content-Type:Date:From:Reply-To:Subject:To; b=VyoiZj9kkzMmYiyvP6mE5ci+HMehrTi96KQv1daXqxI7FqTcEhYQ5/uyKMOFeNktI6l F7R/0pcQroWRw1C4vbgZNClcI9xV/A/ZDOBrgPwJTaEhGcKEKsE/7gfzPdI1ZIPve0nHm alVvMB4rUDGu+GBIixaiFISXmrF4XgFpOCQ= X-ZohoMail-DKIM: pass (identity @groups.io) X-ZM-MESSAGEID: 1665002031795100024 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" This protocol implementation disables the accept-all-memory behavior of the BeforeExitBootServices event this driver adds. Cc: Gerd Hoffmann Cc: James Bottomley Cc: Jiewen Yao Cc: Tom Lendacky Cc: Ard Biesheuvel Cc: "Min M. Xu" Cc: Andrew Fish Cc: "Michael D. Kinney" Signed-off-by: Dionna Glaze --- OvmfPkg/CocoDxe/CocoDxe.c | 25 ++++++++++++++++++++ OvmfPkg/CocoDxe/CocoDxe.inf | 1 + 2 files changed, 26 insertions(+) diff --git a/OvmfPkg/CocoDxe/CocoDxe.c b/OvmfPkg/CocoDxe/CocoDxe.c index ae64fbf28e..a7c54b36a3 100644 --- a/OvmfPkg/CocoDxe/CocoDxe.c +++ b/OvmfPkg/CocoDxe/CocoDxe.c @@ -16,6 +16,7 @@ #include #include #include +#include #include #include =20 @@ -105,6 +106,21 @@ ResolveUnacceptedMemory ( ASSERT_EFI_ERROR (Status); } =20 +STATIC +EFI_STATUS +EFIAPI +DisableAcceptAllUnacceptedMemory ( + IN BZ3987_ACCEPT_ALL_UNACCEPTED_MEMORY_PROTOCOL *This + ) +{ + mAcceptAllUnacceptedMemoryEnabled =3D FALSE; + return EFI_SUCCESS; +} + +STATIC +BZ3987_ACCEPT_ALL_UNACCEPTED_MEMORY_PROTOCOL +mAcceptAllUnacceptedMemoryProtocol =3D {DisableAcceptAllUnacceptedMemory}; + EFI_STATUS EFIAPI CocoDxeEntryPoint ( @@ -136,5 +152,14 @@ CocoDxeEntryPoint ( DEBUG ((DEBUG_ERROR, "AcceptAllUnacceptedMemory event creation for Eve= ntBeforeExitBootServices failed.\n")); } =20 + Status =3D gBS->InstallProtocolInterface (&mCocoDxeHandle, + &gBz3987AcceptAllUnacceptedMemoryProtocolGuid, + EFI_NATIVE_INTERFACE, + &mAcceptAllUnacceptedMemoryProtocol + ); + if (EFI_ERROR (Status)) { + DEBUG ((DEBUG_ERROR, "Install Bz3987AcceptAllUnacceptedMemoryProtocol = failed.\n")); + } + return EFI_SUCCESS; } diff --git a/OvmfPkg/CocoDxe/CocoDxe.inf b/OvmfPkg/CocoDxe/CocoDxe.inf index 3bbb5fc9cc..e24188147a 100644 --- a/OvmfPkg/CocoDxe/CocoDxe.inf +++ b/OvmfPkg/CocoDxe/CocoDxe.inf @@ -42,4 +42,5 @@ gEfiEventBeforeExitBootServicesGuid =20 [Protocols] + gBz3987AcceptAllUnacceptedMemoryProtocolGuid gEfiMemoryAcceptProtocolGuid --=20 2.38.0.rc1.362.ged0d419d3c-goog -=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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