1 #ifndef QEMU_HW_XEN_H 2 #define QEMU_HW_XEN_H 1 3 /* 4 * public xen header 5 * stuff needed outside xen-*.c, i.e. interfaces to qemu. 6 * must not depend on any xen headers being present in 7 * /usr/include/xen, so it can be included unconditionally. 8 */ 9 #include <inttypes.h> 10 11 #include "hw/irq.h" 12 #include "qemu-common.h" 13 14 /* xen-machine.c */ 15 enum xen_mode { 16 XEN_EMULATE = 0, // xen emulation, using xenner (default) 17 XEN_CREATE, // create xen domain 18 XEN_ATTACH // attach to xen domain created by xend 19 }; 20 21 extern uint32_t xen_domid; 22 extern enum xen_mode xen_mode; 23 24 extern bool xen_allowed; 25 26 static inline bool xen_enabled(void) 27 { 28 return xen_allowed; 29 } 30 31 int xen_pci_slot_get_pirq(PCIDevice *pci_dev, int irq_num); 32 void xen_piix3_set_irq(void *opaque, int irq_num, int level); 33 void xen_piix_pci_write_config_client(uint32_t address, uint32_t val, int len); 34 void xen_hvm_inject_msi(uint64_t addr, uint32_t data); 35 void xen_cmos_set_s3_resume(void *opaque, int irq, int level); 36 37 qemu_irq *xen_interrupt_controller_init(void); 38 39 int xen_init(MachineClass *mc); 40 void xenstore_store_pv_console_info(int i, struct CharDriverState *chr); 41 42 #if defined(NEED_CPU_H) && !defined(CONFIG_USER_ONLY) 43 int xen_hvm_init(ram_addr_t *below_4g_mem_size, ram_addr_t *above_4g_mem_size, 44 MemoryRegion **ram_memory); 45 void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size, 46 struct MemoryRegion *mr); 47 void xen_modified_memory(ram_addr_t start, ram_addr_t length); 48 #endif 49 50 void xen_register_framebuffer(struct MemoryRegion *mr); 51 52 #if defined(CONFIG_XEN) && CONFIG_XEN_CTRL_INTERFACE_VERSION < 400 53 # define HVM_MAX_VCPUS 32 54 #endif 55 56 #endif /* QEMU_HW_XEN_H */ 57