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9#ifndef XEN_MAPCACHE_H
10#define XEN_MAPCACHE_H
11
12typedef hwaddr (*phys_offset_to_gaddr_t)(hwaddr phys_offset,
13 ram_addr_t size);
14#ifdef CONFIG_XEN
15
16void xen_map_cache_init(phys_offset_to_gaddr_t f,
17 void *opaque);
18uint8_t *xen_map_cache(hwaddr phys_addr, hwaddr size,
19 uint8_t lock, bool dma);
20ram_addr_t xen_ram_addr_from_mapcache(void *ptr);
21void xen_invalidate_map_cache_entry(uint8_t *buffer);
22void xen_invalidate_map_cache(void);
23uint8_t *xen_replace_cache_entry(hwaddr old_phys_addr,
24 hwaddr new_phys_addr,
25 hwaddr size);
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 bool dma)
37{
38 abort();
39}
40
41static inline ram_addr_t xen_ram_addr_from_mapcache(void *ptr)
42{
43 abort();
44}
45
46static inline void xen_invalidate_map_cache_entry(uint8_t *buffer)
47{
48}
49
50static inline void xen_invalidate_map_cache(void)
51{
52}
53
54static inline uint8_t *xen_replace_cache_entry(hwaddr old_phys_addr,
55 hwaddr new_phys_addr,
56 hwaddr size)
57{
58 abort();
59}
60
61#endif
62
63#endif
64