From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39374) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XAHHD-0005mW-5a for qemu-devel@nongnu.org; Thu, 24 Jul 2014 07:33:40 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XAHH4-00035m-Pf for qemu-devel@nongnu.org; Thu, 24 Jul 2014 07:33:35 -0400 Received: from mga03.intel.com ([143.182.124.21]:6794) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XAHH4-00034E-KD for qemu-devel@nongnu.org; Thu, 24 Jul 2014 07:33:26 -0400 From: Tiejun Chen Date: Thu, 24 Jul 2014 19:30:27 +0800 Message-Id: <1406201429-21700-3-git-send-email-tiejun.chen@intel.com> In-Reply-To: <1406201429-21700-1-git-send-email-tiejun.chen@intel.com> References: <1406201429-21700-1-git-send-email-tiejun.chen@intel.com> Subject: [Qemu-devel] [PATCH 2/4] 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, stefano.stabellini@eu.citrix.com, pbonzini@redhat.com Cc: qemu-devel@nongnu.org, xen-devel@lists.xen.org Implement that pci host bridge to specific to passthrough. Actually this just inherit the standard one. This is based on http://patchwork.ozlabs.org/patch/363810/. Signed-off-by: Tiejun Chen --- hw/pci-host/piix.c | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) diff --git a/hw/pci-host/piix.c b/hw/pci-host/piix.c index e0e0946..9feddf5 100644 --- a/hw/pci-host/piix.c +++ b/hw/pci-host/piix.c @@ -34,6 +34,7 @@ #include "sysemu/sysemu.h" #include "hw/i386/ioapic.h" #include "qapi/visitor.h" +#include "hw/xen/xen_pt.h" /* * I440FX chipset data sheet. @@ -44,6 +45,10 @@ #define I440FX_PCI_HOST_BRIDGE(obj) \ OBJECT_CHECK(I440FXState, (obj), TYPE_I440FX_PCI_HOST_BRIDGE) +#define TYPE_I440FX_XEN_PCI_DEVICE "i440FX-xen" +#define I440FX_XEN_PCI_DEVICE(obj) \ + OBJECT_CHECK(PCII440FXState, (obj), TYPE_I440FX_XEN_PCI_DEVICE) + typedef struct I440FXState { PCIHostState parent_obj; PcPciInfo pci_info; @@ -305,6 +310,16 @@ static int i440fx_initfn(PCIDevice *dev) return 0; } +static int i440fx_xen_initfn(PCIDevice *dev) +{ + PCII440FXState *d = I440FX_XEN_PCI_DEVICE(dev); + + dev->config[I440FX_SMRAM] = 0x02; + + cpu_smm_register(&i440fx_set_smm, d); + return 0; +} + PCIBus *i440fx_init(PCII440FXState **pi440fx_state, int *piix3_devfn, ISABus **isa_bus, qemu_irq *pic, @@ -704,6 +719,33 @@ static const TypeInfo i440fx_info = { .class_init = i440fx_class_init, }; +static void i440fx_xen_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); + + k->init = i440fx_xen_initfn; + k->vendor_id = PCI_VENDOR_ID_INTEL; + k->device_id = PCI_DEVICE_ID_INTEL_82441; + k->revision = 0x02; + k->class_id = PCI_CLASS_BRIDGE_ISA; + dc->desc = "XEN Host bridge"; + dc->vmsd = &vmstate_i440fx; + /* + * PCI-facing part of the host bridge, not usable without the + * host-facing part, which can't be device_add'ed, yet. + */ + dc->cannot_instantiate_with_device_add_yet = true; + dc->hotpluggable = false; +} + +static const TypeInfo i440fx_xen_info = { + .name = TYPE_I440FX_XEN_PCI_DEVICE, + .parent = TYPE_PCI_DEVICE, + .instance_size = sizeof(PCII440FXState), + .class_init = i440fx_xen_class_init, +}; + static const char *i440fx_pcihost_root_bus_path(PCIHostState *host_bridge, PCIBus *rootbus) { @@ -745,6 +787,7 @@ static const TypeInfo i440fx_pcihost_info = { static void i440fx_register_types(void) { type_register_static(&i440fx_info); + type_register_static(&i440fx_xen_info); type_register_static(&piix3_info); type_register_static(&piix3_xen_info); type_register_static(&i440fx_pcihost_info); -- 1.9.1