From patchwork Mon Jan 19 09:28:36 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tiejun Chen X-Patchwork-Id: 430361 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 5B10114021A for ; Mon, 19 Jan 2015 20:32:40 +1100 (AEDT) Received: from localhost ([::1]:36307 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YD8hK-0000DB-8v for incoming@patchwork.ozlabs.org; Mon, 19 Jan 2015 04:32:38 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:50396) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YD8gk-0007dO-QR for qemu-devel@nongnu.org; Mon, 19 Jan 2015 04:32:03 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YD8gj-0004Ew-Jg for qemu-devel@nongnu.org; Mon, 19 Jan 2015 04:32:02 -0500 Received: from mga01.intel.com ([192.55.52.88]:7128) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YD8gj-0004DN-FB for qemu-devel@nongnu.org; Mon, 19 Jan 2015 04:32:01 -0500 Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga101.fm.intel.com with ESMTP; 19 Jan 2015 01:32:01 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.09,425,1418112000"; d="scan'208";a="514206563" Received: from tchen0-linux.bj.intel.com ([10.238.154.91]) by orsmga003.jf.intel.com with ESMTP; 19 Jan 2015 01:25:26 -0800 From: Tiejun Chen To: mst@redhat.com, pbonzini@redhat.com, aliguori@amazon.com, rth@twiddle.net Date: Mon, 19 Jan 2015 17:28:36 +0800 Message-Id: <1421659723-2496-4-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 03/10] piix: create host bridge 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 Implement a pci host bridge specific to passthrough. Actually this just inherits the standard one. Signed-off-by: Tiejun Chen --- hw/pci-host/piix.c | 16 ++++++++++++++++ include/hw/i386/pc.h | 2 ++ 2 files changed, 18 insertions(+) diff --git a/hw/pci-host/piix.c b/hw/pci-host/piix.c index adc5025..1468961 100644 --- a/hw/pci-host/piix.c +++ b/hw/pci-host/piix.c @@ -729,6 +729,21 @@ static const TypeInfo i440fx_info = { .class_init = i440fx_class_init, }; +static void xen_igd_passthrough_i440fx_class_init(ObjectClass *klass, + void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + + dc->desc = "IGD PT XEN Host bridge"; +} + +static const TypeInfo xen_igd_passthrough_i440fx_info = { + .name = TYPE_XEN_IGD_PASSTHROUGH_I440FX_PCI_DEVICE, + .parent = TYPE_I440FX_PCI_DEVICE, + .instance_size = sizeof(PCII440FXState), + .class_init = xen_igd_passthrough_i440fx_class_init, +}; + static const char *i440fx_pcihost_root_bus_path(PCIHostState *host_bridge, PCIBus *rootbus) { @@ -770,6 +785,7 @@ static const TypeInfo i440fx_pcihost_info = { static void i440fx_register_types(void) { type_register_static(&i440fx_info); + type_register_static(&xen_igd_passthrough_i440fx_info); type_register_static(&piix3_info); type_register_static(&piix3_xen_info); type_register_static(&i440fx_pcihost_info); diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h index 755d6a7..07b3afc 100644 --- a/include/hw/i386/pc.h +++ b/include/hw/i386/pc.h @@ -247,6 +247,8 @@ typedef struct PCII440FXState PCII440FXState; #define TYPE_I440FX_PCI_HOST_BRIDGE "i440FX-pcihost" #define TYPE_I440FX_PCI_DEVICE "i440FX" +#define TYPE_XEN_IGD_PASSTHROUGH_I440FX_PCI_DEVICE "xen-igd-passthrough-i440FX" + PCIBus *i440fx_init(const char *host_type, const char *pci_type, PCII440FXState **pi440fx_state, int *piix_devfn, ISABus **isa_bus, qemu_irq *pic,