Merge tag 'pull-request-2022-05-18' of https://gitlab.com/thuth/qemu into staging
[qemu.git] / 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 #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 */