From patchwork Thu Mar 3 10:15:46 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laszlo Ersek X-Patchwork-Id: 63449 Delivered-To: patch@linaro.org Received: by 10.112.199.169 with SMTP id jl9csp2857305lbc; Thu, 3 Mar 2016 02:16:22 -0800 (PST) X-Received: by 10.98.93.155 with SMTP id n27mr2493814pfj.88.1457000176615; Thu, 03 Mar 2016 02:16:16 -0800 (PST) Return-Path: Received: from ml01.01.org (ml01.01.org. [198.145.21.10]) by mx.google.com with ESMTPS id b14si5490688pat.152.2016.03.03.02.16.16 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 03 Mar 2016 02:16:16 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of edk2-devel-bounces@lists.01.org designates 198.145.21.10 as permitted sender) client-ip=198.145.21.10; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of edk2-devel-bounces@lists.01.org designates 198.145.21.10 as permitted sender) smtp.mailfrom=edk2-devel-bounces@lists.01.org Received: from [127.0.0.1] (localhost [IPv6:::1]) by ml01.01.org (Postfix) with ESMTP id D5F881A1ECE; Thu, 3 Mar 2016 02:16:23 -0800 (PST) X-Original-To: edk2-devel@ml01.01.org Delivered-To: edk2-devel@ml01.01.org Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 33A521A1EC9 for ; Thu, 3 Mar 2016 02:16:23 -0800 (PST) Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (Postfix) with ESMTPS id 5CAD165403; Thu, 3 Mar 2016 10:16:13 +0000 (UTC) Received: from lacos-laptop-7.usersys.redhat.com (ovpn-113-60.phx2.redhat.com [10.3.113.60]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u23AFvXu027378; Thu, 3 Mar 2016 05:16:12 -0500 From: Laszlo Ersek To: edk2-devel@ml01.01.org Date: Thu, 3 Mar 2016 11:15:46 +0100 Message-Id: <1457000154-23081-8-git-send-email-lersek@redhat.com> In-Reply-To: <1457000154-23081-1-git-send-email-lersek@redhat.com> References: <1457000154-23081-1-git-send-email-lersek@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Thu, 03 Mar 2016 10:16:13 +0000 (UTC) Cc: Ruiyu Ni , Jordan Justen , Marcel Apfelbaum Subject: [edk2] [PATCH v2 07/15] OvmfPkg: PciHostBridgeLib: set RootBus->Segment X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: edk2-devel-bounces@lists.01.org Sender: "edk2-devel" This is the first of the patches that set the fields of PCI_ROOT_BRIDGE. The structure is zero-filled as a precaution for later field additions. Here we set the Segment member explicitly to zero (so that any later customization can be easier). Cc: Jordan Justen Cc: Ruiyu Ni Cc: Marcel Apfelbaum Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek Reviewed-by: Jordan Justen --- OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.inf | 1 + OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c | 8 ++++++++ 2 files changed, 9 insertions(+) -- 1.8.3.1 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel diff --git a/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.inf b/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.inf index b83693191261..096d728f3c61 100644 --- a/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.inf +++ b/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.inf @@ -39,6 +39,7 @@ [Packages] OvmfPkg/OvmfPkg.dec [LibraryClasses] + BaseMemoryLib DebugLib MemoryAllocationLib PciLib diff --git a/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c b/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c index 25746dd1cfd0..39dc2b5acb4d 100644 --- a/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c +++ b/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c @@ -17,6 +17,7 @@ #include +#include #include #include #include @@ -63,6 +64,13 @@ InitRootBridge ( OUT PCI_ROOT_BRIDGE *RootBus ) { + // + // Be safe if other fields are added to PCI_ROOT_BRIDGE later. + // + ZeroMem (RootBus, sizeof *RootBus); + + RootBus->Segment = 0; + return EFI_OUT_OF_RESOURCES; }