include/hw/xen/xen.h

   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_piix3_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 */