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
  12typedef hwaddr (*phys_offset_to_gaddr_t)(hwaddr start_addr,
  13                                                     ram_addr_t size,
  14                                                     void *opaque);
  15#ifdef CONFIG_XEN
  16
  17void xen_map_cache_init(phys_offset_to_gaddr_t f,
  18                        void *opaque);
  19uint8_t *xen_map_cache(hwaddr phys_addr, hwaddr size,
  20                       uint8_t lock);
  21ram_addr_t xen_ram_addr_from_mapcache(void *ptr);
  22void xen_invalidate_map_cache_entry(uint8_t *buffer);
  23void xen_invalidate_map_cache(void);
  24
  25#else
  26
  27static inline void xen_map_cache_init(phys_offset_to_gaddr_t f,
  28                                      void *opaque)
  29{
  30}
  31
  32static inline uint8_t *xen_map_cache(hwaddr phys_addr,
  33                                     hwaddr size,
  34                                     uint8_t lock)
  35{
  36    abort();
  37}
  38
  39static inline ram_addr_t xen_ram_addr_from_mapcache(void *ptr)
  40{
  41    abort();
  42}
  43
  44static inline void xen_invalidate_map_cache_entry(uint8_t *buffer)
  45{
  46}
  47
  48static inline void xen_invalidate_map_cache(void)
  49{
  50}
  51
  52#endif
  53
  54#endif /* XEN_MAPCACHE_H */
  55