LXR qemu/include/sysemu/xen.h

   1/*
   2 * QEMU Xen support
   3 *
   4 * This work is licensed under the terms of the GNU GPL, version 2 or later.
   5 * See the COPYING file in the top-level directory.
   6 */
   7
   8#ifndef SYSEMU_XEN_H
   9#define SYSEMU_XEN_H
  10
  11#include "exec/cpu-common.h"
  12
  13#ifdef NEED_CPU_H
  14# ifdef CONFIG_XEN
  15#  define CONFIG_XEN_IS_POSSIBLE
  16# endif
  17#else
  18# define CONFIG_XEN_IS_POSSIBLE
  19#endif
  20
  21#ifdef CONFIG_XEN_IS_POSSIBLE
  22
  23extern bool xen_allowed;
  24
  25#define xen_enabled()           (xen_allowed)
  26
  27#ifndef CONFIG_USER_ONLY
  28void xen_hvm_modified_memory(ram_addr_t start, ram_addr_t length);
  29void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size,
  30                   struct MemoryRegion *mr, Error **errp);
  31#endif
  32
  33#else /* !CONFIG_XEN_IS_POSSIBLE */
  34
  35#define xen_enabled() 0
  36#ifndef CONFIG_USER_ONLY
  37static inline void xen_hvm_modified_memory(ram_addr_t start, ram_addr_t length)
  38{
  39    /* nothing */
  40}
  41static inline void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size,
  42                                 MemoryRegion *mr, Error **errp)
  43{
  44    g_assert_not_reached();
  45}
  46#endif
  47
  48#endif /* CONFIG_XEN_IS_POSSIBLE */
  49
  50#endif
  51