1 #ifndef QEMU_HW_XEN_H 2 #define QEMU_HW_XEN_H 3 4 /* 5 * public xen header 6 * stuff needed outside xen-*.c, i.e. interfaces to qemu. 7 * must not depend on any xen headers being present in 8 * /usr/include/xen, so it can be included unconditionally. 9 */ 10 11 #include "exec/cpu-common.h" 12 13 /* xen-machine.c */ 14 enum xen_mode { 15 XEN_EMULATE = 0, // xen emulation, using xenner (default) 16 XEN_ATTACH // attach to xen domain created by libxl 17 }; 18 19 extern uint32_t xen_domid; 20 extern enum xen_mode xen_mode; 21 extern bool xen_domid_restrict; 22 23 extern bool xen_allowed; 24 25 static inline bool xen_enabled(void) 26 { 27 return xen_allowed; 28 } 29 30 int xen_pci_slot_get_pirq(PCIDevice *pci_dev, int irq_num); 31 void xen_piix3_set_irq(void *opaque, int irq_num, int level); 32 void xen_piix_pci_write_config_client(uint32_t address, uint32_t val, int len); 33 void xen_hvm_inject_msi(uint64_t addr, uint32_t data); 34 int xen_is_pirq_msi(uint32_t msi_data); 35 36 qemu_irq *xen_interrupt_controller_init(void); 37 38 void xenstore_store_pv_console_info(int i, struct Chardev *chr); 39 40 void xen_hvm_init(PCMachineState *pcms, MemoryRegion **ram_memory); 41 42 void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size, 43 struct MemoryRegion *mr, Error **errp); 44 void xen_hvm_modified_memory(ram_addr_t start, ram_addr_t length); 45 46 void xen_register_framebuffer(struct MemoryRegion *mr); 47 48 #endif /* QEMU_HW_XEN_H */ 49