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 #include "system/xen.h" 14 15 typedef hwaddr (*phys_offset_to_gaddr_t)(hwaddr phys_offset, 16 ram_addr_t size); 17 void xen_map_cache_init(phys_offset_to_gaddr_t f, 18 void *opaque); 19 uint8_t *xen_map_cache(MemoryRegion *mr, hwaddr phys_addr, hwaddr size, 20 ram_addr_t ram_addr_offset, 21 uint8_t lock, bool dma, 22 bool is_write); 23 ram_addr_t xen_ram_addr_from_mapcache(void *ptr); 24 void xen_invalidate_map_cache_entry(uint8_t *buffer); 25 void xen_invalidate_map_cache(void); 26 uint8_t *xen_replace_cache_entry(hwaddr old_phys_addr, 27 hwaddr new_phys_addr, 28 hwaddr size); 29 30 #endif /* XEN_MAPCACHE_H */ 31