From patchwork Mon Jan 19 09:28:42 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tiejun Chen X-Patchwork-Id: 430365 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id D37CE1402AF for ; Mon, 19 Jan 2015 20:35:16 +1100 (AEDT) Received: from localhost ([::1]:36331 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YD8jq-0004a3-5R for incoming@patchwork.ozlabs.org; Mon, 19 Jan 2015 04:35:14 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:50567) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YD8gy-00083K-NC for qemu-devel@nongnu.org; Mon, 19 Jan 2015 04:32:17 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YD8gx-0004LC-VQ for qemu-devel@nongnu.org; Mon, 19 Jan 2015 04:32:16 -0500 Received: from mga01.intel.com ([192.55.52.88]:7128) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YD8gx-0004DN-RB for qemu-devel@nongnu.org; Mon, 19 Jan 2015 04:32:15 -0500 Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga101.fm.intel.com with ESMTP; 19 Jan 2015 01:32:14 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.09,425,1418112000"; d="scan'208";a="514206644" Received: from tchen0-linux.bj.intel.com ([10.238.154.91]) by orsmga003.jf.intel.com with ESMTP; 19 Jan 2015 01:25:40 -0800 From: Tiejun Chen To: mst@redhat.com, pbonzini@redhat.com, aliguori@amazon.com, rth@twiddle.net Date: Mon, 19 Jan 2015 17:28:42 +0800 Message-Id: <1421659723-2496-10-git-send-email-tiejun.chen@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1421659723-2496-1-git-send-email-tiejun.chen@intel.com> References: <1421659723-2496-1-git-send-email-tiejun.chen@intel.com> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 192.55.52.88 Cc: yang.z.zhang@intel.com, allen.m.kay@intel.com, qemu-devel@nongnu.org Subject: [Qemu-devel] [v6][PATCH 09/10] xen, gfx passthrough: register host bridge specific to passthrough X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Just register that pci host bridge specific to passthrough. Signed-off-by: Tiejun Chen --- hw/i386/pc_piix.c | 19 +++++++++++++++++-- 1 file changed, 17 insertions(+), 2 deletions(-) diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c index 4148028..f015238 100644 --- a/hw/i386/pc_piix.c +++ b/hw/i386/pc_piix.c @@ -50,7 +50,8 @@ #include "cpu.h" #include "qemu/error-report.h" #ifdef CONFIG_XEN -# include +#include +#include "hw/xen/xen_pt.h" #endif #define MAX_IDE_BUS 2 @@ -496,11 +497,25 @@ static void pc_init_isa(MachineState *machine) } #ifdef CONFIG_XEN +static void xen_igd_passthrough_pc_init_pci(MachineState *machine) +{ + pc_init1(machine, 1, 1, TYPE_I440FX_PCI_HOST_BRIDGE, + TYPE_XEN_IGD_PASSTHROUGH_I440FX_PCI_DEVICE); +} + +static void xen_pc_init_pci(MachineState *machine) +{ + if (xen_has_gfx_passthru) + xen_igd_passthrough_pc_init_pci(machine); + else + pc_init_pci(machine); +} + static void pc_xen_hvm_init(MachineState *machine) { PCIBus *bus; - pc_init_pci(machine); + xen_pc_init_pci(machine); bus = pci_find_primary_bus(); if (bus != NULL) {