LXR qemu/include/sysemu/xen-mapcache.h

   1/*
   2 * Copyright (C) 2011       Citrix Ltd.
   3 *
   4 * This work is licensed under the terms of the GNU GPL, version 2.  See
   5 * the COPYING file in the top-level directory.
   6 *
   7 */
   8
   9#ifndef XEN_MAPCACHE_H
  10#define XEN_MAPCACHE_H
  11
  12
  13typedef hwaddr (*phys_offset_to_gaddr_t)(hwaddr start_addr,
  14                                                     ram_addr_t size,
  15                                                     void *opaque);
  16#ifdef CONFIG_XEN
  17
  18void xen_map_cache_init(phys_offset_to_gaddr_t f,
  19                        void *opaque);
  20uint8_t *xen_map_cache(hwaddr phys_addr, hwaddr size,
  21                       uint8_t lock);
  22ram_addr_t xen_ram_addr_from_mapcache(void *ptr);
  23void xen_invalidate_map_cache_entry(uint8_t *buffer);
  24void xen_invalidate_map_cache(void);
  25
  26#else
  27
  28static inline void xen_map_cache_init(phys_offset_to_gaddr_t f,
  29                                      void *opaque)
  30{
  31}
  32
  33static inline uint8_t *xen_map_cache(hwaddr phys_addr,
  34                                     hwaddr size,
  35                                     uint8_t lock)
  36{
  37    abort();
  38}
  39
  40static inline ram_addr_t xen_ram_addr_from_mapcache(void *ptr)
  41{
  42    abort();
  43}
  44
  45static inline void xen_invalidate_map_cache_entry(uint8_t *buffer)
  46{
  47}
  48
  49static inline void xen_invalidate_map_cache(void)
  50{
  51}
  52
  53#endif
  54
  55#endif /* !XEN_MAPCACHE_H */
  56