1 /* 2 * public xen header 3 * stuff needed outside xen-*.c, i.e. interfaces to qemu. 4 * must not depend on any xen headers being present in 5 * /usr/include/xen, so it can be included unconditionally. 6 */ 7 #ifndef QEMU_HW_XEN_H 8 #define QEMU_HW_XEN_H 9 10 /* 11 * C files using Xen toolstack libraries will have included those headers 12 * already via xen_native.h, and having __XEM_TOOLS__ defined will have 13 * automatically set __XEN_INTERFACE_VERSION__ to the latest supported 14 * by the *system* Xen headers which were transitively included. 15 * 16 * C files which are part of the internal emulation, and which did not 17 * include xen_native.h, may need this defined so that the Xen headers 18 * imported to include/hw/xen/interface/ will expose the appropriate API 19 * version. 20 * 21 * This is why there's a rule that xen_native.h must be included first. 22 */ 23 #ifndef __XEN_INTERFACE_VERSION__ 24 #define __XEN_INTERFACE_VERSION__ 0x00040e00 25 #endif 26 27 #include "exec/cpu-common.h" 28 29 /* xen-machine.c */ 30 enum xen_mode { 31 XEN_DISABLED = 0, /* xen support disabled (default) */ 32 XEN_ATTACH, /* attach to xen domain created by libxl */ 33 XEN_EMULATE, /* emulate Xen within QEMU */ 34 }; 35 36 extern uint32_t xen_domid; 37 extern enum xen_mode xen_mode; 38 extern bool xen_domid_restrict; 39 40 int xen_pci_slot_get_pirq(PCIDevice *pci_dev, int irq_num); 41 int xen_set_pci_link_route(uint8_t link, uint8_t irq); 42 void xen_intx_set_irq(void *opaque, int irq_num, int level); 43 void xen_hvm_inject_msi(uint64_t addr, uint32_t data); 44 int xen_is_pirq_msi(uint32_t msi_data); 45 46 qemu_irq *xen_interrupt_controller_init(void); 47 48 void xen_register_framebuffer(struct MemoryRegion *mr); 49 50 #endif /* QEMU_HW_XEN_H */ 51