[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [v2][PATCH 4/5] xen:hw:pci-host:piix: introduce xen_igd_passthrough_i440fx_init
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@xxxxxxxxx> --- hw/pci-host/piix.c | 32 ++++++++++++++++++++++++++++++++ include/hw/i386/pc.h | 11 +++++++++++ 2 files changed, 43 insertions(+) v2: * Based on patch #2 to regenerate diff --git a/hw/pci-host/piix.c b/hw/pci-host/piix.c index 8414864..5977841 100644 --- a/hw/pci-host/piix.c +++ b/hw/pci-host/piix.c @@ -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, diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h index f4b9b2b..65b75a2 100644 --- a/include/hw/i386/pc.h +++ b/include/hw/i386/pc.h @@ -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; -- 1.9.1 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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