]>
Commit | Line | Data |
---|---|---|
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 <sys/mman.h> | |
13 | #include "trace.h" | |
14 | ||
15 | void qemu_map_cache_init(void); | |
16 | uint8_t *qemu_map_cache(target_phys_addr_t phys_addr, target_phys_addr_t size, uint8_t lock); | |
17 | void qemu_map_cache_unlock(void *phys_addr); | |
18 | ram_addr_t qemu_ram_addr_from_mapcache(void *ptr); | |
19 | void qemu_invalidate_entry(uint8_t *buffer); | |
20 | void qemu_invalidate_map_cache(void); | |
21 | ||
22 | uint8_t *xen_map_block(target_phys_addr_t phys_addr, target_phys_addr_t size); | |
23 | ||
24 | static inline void xen_unmap_block(void *addr, ram_addr_t size) | |
25 | { | |
26 | trace_xen_unmap_block(addr, size); | |
27 | ||
28 | if (munmap(addr, size) != 0) { | |
29 | hw_error("xen_unmap_block: %s", strerror(errno)); | |
30 | } | |
31 | } | |
32 | ||
33 | ||
34 | #define mapcache_lock() ((void)0) | |
35 | #define mapcache_unlock() ((void)0) | |
36 | ||
37 | #endif /* !XEN_MAPCACHE_H */ |