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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 | #include "exec/cpu-common.h" | |
13 | ||
14 | typedef hwaddr (*phys_offset_to_gaddr_t)(hwaddr phys_offset, | |
15 | ram_addr_t size); | |
16 | #ifdef CONFIG_XEN | |
17 | ||
18 | void xen_map_cache_init(phys_offset_to_gaddr_t f, | |
19 | void *opaque); | |
20 | uint8_t *xen_map_cache(hwaddr phys_addr, hwaddr size, | |
21 | uint8_t lock, bool dma); | |
22 | ram_addr_t xen_ram_addr_from_mapcache(void *ptr); | |
23 | void xen_invalidate_map_cache_entry(uint8_t *buffer); | |
24 | void xen_invalidate_map_cache(void); | |
25 | uint8_t *xen_replace_cache_entry(hwaddr old_phys_addr, | |
26 | hwaddr new_phys_addr, | |
27 | hwaddr size); | |
28 | #else | |
29 | ||
30 | static inline void xen_map_cache_init(phys_offset_to_gaddr_t f, | |
31 | void *opaque) | |
32 | { | |
33 | } | |
34 | ||
35 | static inline uint8_t *xen_map_cache(hwaddr phys_addr, | |
36 | hwaddr size, | |
37 | uint8_t lock, | |
38 | bool dma) | |
39 | { | |
40 | abort(); | |
41 | } | |
42 | ||
43 | static inline ram_addr_t xen_ram_addr_from_mapcache(void *ptr) | |
44 | { | |
45 | abort(); | |
46 | } | |
47 | ||
48 | static inline void xen_invalidate_map_cache_entry(uint8_t *buffer) | |
49 | { | |
50 | } | |
51 | ||
52 | static inline void xen_invalidate_map_cache(void) | |
53 | { | |
54 | } | |
55 | ||
56 | static inline uint8_t *xen_replace_cache_entry(hwaddr old_phys_addr, | |
57 | hwaddr new_phys_addr, | |
58 | hwaddr size) | |
59 | { | |
60 | abort(); | |
61 | } | |
62 | ||
63 | #endif | |
64 | ||
65 | #endif /* XEN_MAPCACHE_H */ |