From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:43596) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XH8ls-0001II-Vv for qemu-devel@nongnu.org; Tue, 12 Aug 2014 05:53:44 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XH8ln-000731-GG for qemu-devel@nongnu.org; Tue, 12 Aug 2014 05:53:36 -0400 Received: from mga11.intel.com ([192.55.52.93]:20950) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XH8ln-00072b-Ac for qemu-devel@nongnu.org; Tue, 12 Aug 2014 05:53:31 -0400 From: Tiejun Chen Date: Tue, 12 Aug 2014 17:49:16 +0800 Message-Id: <1407836957-29098-4-git-send-email-tiejun.chen@intel.com> In-Reply-To: <1407836957-29098-1-git-send-email-tiejun.chen@intel.com> References: <1407836957-29098-1-git-send-email-tiejun.chen@intel.com> Subject: [Qemu-devel] [v5][PATCH 3/4] xen:hw:pci-host:piix: create host bridge to passthrough List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: mst@redhat.com Cc: pbonzini@redhat.com, xen-devel@lists.xensource.com, qemu-devel@nongnu.org, stefano.stabellini@eu.citrix.com 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 | 15 +++++++++++++++ include/hw/i386/pc.h | 2 ++ 2 files changed, 17 insertions(+) v5: * Simplify to make sure its really inherited from the standard one v4: * Rebase v3: * Rebase v2: * Just add prefix with XEN_IGD_PASSTHROUGH/xen_igd_passthrough diff --git a/hw/pci-host/piix.c b/hw/pci-host/piix.c index 0cd82b8..dbf356a 100644 --- a/hw/pci-host/piix.c +++ b/hw/pci-host/piix.c @@ -703,6 +703,20 @@ 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) { @@ -744,6 +758,7 @@ 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 11fb72f..de34aa6 100644 --- a/include/hw/i386/pc.h +++ b/include/hw/i386/pc.h @@ -238,6 +238,8 @@ 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, -- 1.9.1