include/hw/xen/xen.h

   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 */