| /* |
| * Copyright (C) 2011 Citrix Ltd. |
| * |
| * This work is licensed under the terms of the GNU GPL, version 2. See |
| * the COPYING file in the top-level directory. |
| * |
| */ |
| |
| #ifndef XEN_MAPCACHE_H |
| #define XEN_MAPCACHE_H |
| |
| typedef hwaddr (*phys_offset_to_gaddr_t)(hwaddr start_addr, |
| ram_addr_t size, |
| void *opaque); |
| #ifdef CONFIG_XEN |
| |
| void xen_map_cache_init(phys_offset_to_gaddr_t f, |
| void *opaque); |
| uint8_t *xen_map_cache(hwaddr phys_addr, hwaddr size, |
| uint8_t lock); |
| ram_addr_t xen_ram_addr_from_mapcache(void *ptr); |
| void xen_invalidate_map_cache_entry(uint8_t *buffer); |
| void xen_invalidate_map_cache(void); |
| |
| #else |
| |
| static inline void xen_map_cache_init(phys_offset_to_gaddr_t f, |
| void *opaque) |
| { |
| } |
| |
| static inline uint8_t *xen_map_cache(hwaddr phys_addr, |
| hwaddr size, |
| uint8_t lock) |
| { |
| abort(); |
| } |
| |
| static inline ram_addr_t xen_ram_addr_from_mapcache(void *ptr) |
| { |
| abort(); |
| } |
| |
| static inline void xen_invalidate_map_cache_entry(uint8_t *buffer) |
| { |
| } |
| |
| static inline void xen_invalidate_map_cache(void) |
| { |
| } |
| |
| #endif |
| |
| #endif /* XEN_MAPCACHE_H */ |