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 "qemu-common.h" 12 #include "exec/cpu-common.h" 13 #include "hw/irq.h" 14 15 /* xen-machine.c */ 16 enum xen_mode { 17 XEN_EMULATE = 0, // xen emulation, using xenner (default) 18 XEN_ATTACH // attach to xen domain created by libxl 19 }; 20 21 extern uint32_t xen_domid; 22 extern enum xen_mode xen_mode; 23 extern bool xen_domid_restrict; 24 25 extern bool xen_allowed; 26 27 static inline bool xen_enabled(void) 28 { 29 return xen_allowed; 30 } 31 32 int xen_pci_slot_get_pirq(PCIDevice *pci_dev, int irq_num); 33 void xen_piix3_set_irq(void *opaque, int irq_num, int level); 34 void xen_piix_pci_write_config_client(uint32_t address, uint32_t val, int len); 35 void xen_hvm_inject_msi(uint64_t addr, uint32_t data); 36 int xen_is_pirq_msi(uint32_t msi_data); 37 38 qemu_irq *xen_interrupt_controller_init(void); 39 40 void xenstore_store_pv_console_info(int i, struct Chardev *chr); 41 42 void xen_hvm_init(PCMachineState *pcms, MemoryRegion **ram_memory); 43 44 void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size, 45 struct MemoryRegion *mr, Error **errp); 46 void xen_hvm_modified_memory(ram_addr_t start, ram_addr_t length); 47 48 void xen_register_framebuffer(struct MemoryRegion *mr); 49 50 #endif /* QEMU_HW_XEN_H */ 51