From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Chen, Tiejun" <tiejun.chen@intel.com>
Subject: Re: [PULL 0/19] xen-2015-09-08-tag
Date: Thu, 10 Sep 2015 17:32:16 +0800
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To: Peter Maydell <peter.maydell@linaro.org>
Cc: "xen-devel@lists.xensource.com Devel" <xen-devel@lists.xensource.com>, QEMU Developers <qemu-devel@nongnu.org>, Stefano Stabellini <stefano.stabellini@eu.citrix.com>
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> xen-host-pci-device.c is only compiled if CONFIG_XEN_PCI_PASSTHROUGH
> was set by configure. That won't be the case on OSX or Windows, where
> the Xen headers don't exist.
>

Okay. This actually shouldn't be enabled on Windows so what about this?

diff --git a/hw/pci-host/piix.c b/hw/pci-host/piix.c
index 58a33fb..9a1fcb9 100644
--- a/hw/pci-host/piix.c
+++ b/hw/pci-host/piix.c
@@ -739,6 +739,7 @@ static const TypeInfo i440fx_info = {
      .class_init    = i440fx_class_init,
  };

+#ifndef _WIN32
  /* IGD Passthrough Host Bridge. */
  typedef struct {
      uint8_t offset;
@@ -819,6 +820,7 @@ static const TypeInfo igd_passthrough_i440fx_info = {
      .instance_size = sizeof(PCII440FXState),
      .class_init    = igd_passthrough_i440fx_class_init,
  };
+#endif

  static const char *i440fx_pcihost_root_bus_path(PCIHostState *host_bridge,
                                                  PCIBus *rootbus)
@@ -861,7 +863,9 @@ static const TypeInfo i440fx_pcihost_info = {
  static void i440fx_register_types(void)
  {
      type_register_static(&i440fx_info);
+#ifndef _WIN32
      type_register_static(&igd_passthrough_i440fx_info);
+#endif
      type_register_static(&piix3_pci_type_info);
      type_register_static(&piix3_info);
      type_register_static(&piix3_xen_info);

Thanks
Tiejun