LXR qemu/include/hw/xen/xen.h

   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 */
  15enum 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
  21extern uint32_t xen_domid;
  22extern enum xen_mode xen_mode;
  23
  24extern bool xen_allowed;
  25
  26static inline bool xen_enabled(void)
  27{
  28    return xen_allowed;
  29}
  30
  31int xen_pci_slot_get_pirq(PCIDevice *pci_dev, int irq_num);
  32void xen_piix3_set_irq(void *opaque, int irq_num, int level);
  33void xen_piix_pci_write_config_client(uint32_t address, uint32_t val, int len);
  34void xen_hvm_inject_msi(uint64_t addr, uint32_t data);
  35void xen_cmos_set_s3_resume(void *opaque, int irq, int level);
  36
  37qemu_irq *xen_interrupt_controller_init(void);
  38
  39int xen_init(void);
  40int xen_hvm_init(void);
  41void xen_vcpu_init(void);
  42void xenstore_store_pv_console_info(int i, struct CharDriverState *chr);
  43
  44#if defined(NEED_CPU_H) && !defined(CONFIG_USER_ONLY)
  45struct MemoryRegion;
  46void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size,
  47                   struct MemoryRegion *mr);
  48void xen_modified_memory(ram_addr_t start, ram_addr_t length);
  49#endif
  50
  51struct MemoryRegion;
  52void xen_register_framebuffer(struct MemoryRegion *mr);
  53
  54#if defined(CONFIG_XEN) && CONFIG_XEN_CTRL_INTERFACE_VERSION < 400
  55#  define HVM_MAX_VCPUS 32
  56#endif
  57
  58#endif /* QEMU_HW_XEN_H */
  59