@@ -465,6 +465,38 @@ PCIBus *i440fx_init(PCII440FXState **pi440fx_state,
return bus_bridge;
}
+PCIBus *xen_igd_passthrough_i440fx_init(PCII440FXState **pi440fx_state,
+ int *piix3_devfn,
+ ISABus **isa_bus,
+ qemu_irq *pic,
+ MemoryRegion *address_space_mem,
+ MemoryRegion *address_space_io,
+ ram_addr_t ram_size,
+ ram_addr_t below_4g_mem_size,
+ ram_addr_t above_4g_mem_size,
+ MemoryRegion *pci_address_space,
+ MemoryRegion *ram_memory)
+{
+ PCIDevice *d;
+ DeviceState *dev_bridge;
+ PCIBus *bus_bridge;
+
+ i440fx_pci_host_create(&dev_bridge, &bus_bridge, address_space_io,
+ pci_address_space);
+
+ d = i440fx_pci0_create(&bus_bridge,
+ TYPE_XEN_IGD_PASSTHROUGH_I440FX_PCI_DEVICE,
+ pi440fx_state);
+
+ bus_bridge = i440fx_pci_setup(&dev_bridge, &bus_bridge, d, pi440fx_state,
+ piix3_devfn, isa_bus, pic, address_space_mem,
+ address_space_io, ram_size, below_4g_mem_size,
+ above_4g_mem_size, pci_address_space,
+ ram_memory);
+
+ return bus_bridge;
+}
+
PCIBus *find_i440fx(void)
{
PCIHostState *s = OBJECT_CHECK(PCIHostState,
@@ -240,6 +240,17 @@ PCIBus *i440fx_init(PCII440FXState **pi440fx_state, int *piix_devfn,
MemoryRegion *pci_memory,
MemoryRegion *ram_memory);
+PCIBus *xen_igd_passthrough_i440fx_init(PCII440FXState **pi440fx_state,
+ int *piix_devfn,
+ ISABus **isa_bus, qemu_irq *pic,
+ MemoryRegion *address_space_mem,
+ MemoryRegion *address_space_io,
+ ram_addr_t ram_size,
+ ram_addr_t below_4g_mem_size,
+ ram_addr_t above_4g_mem_size,
+ MemoryRegion *pci_memory,
+ MemoryRegion *ram_memory);
+
PCIBus *find_i440fx(void);
/* piix4.c */
extern PCIDevice *piix4_dev;
This is almost same as an original i440fx_init but just work with that xen igd host bridge to passthrough. Signed-off-by: Tiejun Chen <tiejun.chen@intel.com> --- hw/pci-host/piix.c | 32 ++++++++++++++++++++++++++++++++ include/hw/i386/pc.h | 11 +++++++++++ 2 files changed, 43 insertions(+) v2: * Based on patch #2 to regenerate