int xen_pci_slot_get_pirq(PCIDevice *pci_dev, int irq_num);
void xen_piix3_set_irq(void *opaque, int irq_num, int level);
void xen_piix_pci_write_config_client(uint32_t address, uint32_t val, int len);
+void xen_hvm_inject_msi(uint64_t addr, uint32_t data);
void xen_cmos_set_s3_resume(void *opaque, int irq, int level);
qemu_irq *xen_interrupt_controller_init(void);