19c17d615SPaolo Bonzini /* 29c17d615SPaolo Bonzini * QEMU memory mapping 39c17d615SPaolo Bonzini * 49c17d615SPaolo Bonzini * Copyright Fujitsu, Corp. 2011, 2012 59c17d615SPaolo Bonzini * 69c17d615SPaolo Bonzini * Authors: 79c17d615SPaolo Bonzini * Wen Congyang <wency@cn.fujitsu.com> 89c17d615SPaolo Bonzini * 99c17d615SPaolo Bonzini * This work is licensed under the terms of the GNU GPL, version 2 or later. 109c17d615SPaolo Bonzini * See the COPYING file in the top-level directory. 119c17d615SPaolo Bonzini * 129c17d615SPaolo Bonzini */ 139c17d615SPaolo Bonzini 149c17d615SPaolo Bonzini #ifndef MEMORY_MAPPING_H 159c17d615SPaolo Bonzini #define MEMORY_MAPPING_H 169c17d615SPaolo Bonzini 179c17d615SPaolo Bonzini #include "qemu/queue.h" 18*6d4d3ae7SAndreas Färber #include "qemu/typedefs.h" 199c17d615SPaolo Bonzini 209c17d615SPaolo Bonzini /* The physical and virtual address in the memory mapping are contiguous. */ 219c17d615SPaolo Bonzini typedef struct MemoryMapping { 229c17d615SPaolo Bonzini hwaddr phys_addr; 239c17d615SPaolo Bonzini target_ulong virt_addr; 249c17d615SPaolo Bonzini ram_addr_t length; 259c17d615SPaolo Bonzini QTAILQ_ENTRY(MemoryMapping) next; 269c17d615SPaolo Bonzini } MemoryMapping; 279c17d615SPaolo Bonzini 28*6d4d3ae7SAndreas Färber struct MemoryMappingList { 299c17d615SPaolo Bonzini unsigned int num; 309c17d615SPaolo Bonzini MemoryMapping *last_mapping; 319c17d615SPaolo Bonzini QTAILQ_HEAD(, MemoryMapping) head; 32*6d4d3ae7SAndreas Färber }; 339c17d615SPaolo Bonzini 349c17d615SPaolo Bonzini int cpu_get_memory_mapping(MemoryMappingList *list, CPUArchState *env); 359c17d615SPaolo Bonzini 369c17d615SPaolo Bonzini /* 379c17d615SPaolo Bonzini * add or merge the memory region [phys_addr, phys_addr + length) into the 389c17d615SPaolo Bonzini * memory mapping's list. The region's virtual address starts with virt_addr, 399c17d615SPaolo Bonzini * and is contiguous. The list is sorted by phys_addr. 409c17d615SPaolo Bonzini */ 419c17d615SPaolo Bonzini void memory_mapping_list_add_merge_sorted(MemoryMappingList *list, 429c17d615SPaolo Bonzini hwaddr phys_addr, 439c17d615SPaolo Bonzini hwaddr virt_addr, 449c17d615SPaolo Bonzini ram_addr_t length); 459c17d615SPaolo Bonzini 469c17d615SPaolo Bonzini void memory_mapping_list_free(MemoryMappingList *list); 479c17d615SPaolo Bonzini 489c17d615SPaolo Bonzini void memory_mapping_list_init(MemoryMappingList *list); 499c17d615SPaolo Bonzini 509c17d615SPaolo Bonzini /* 519c17d615SPaolo Bonzini * Return value: 529c17d615SPaolo Bonzini * 0: success 539c17d615SPaolo Bonzini * -1: failed 549c17d615SPaolo Bonzini * -2: unsupported 559c17d615SPaolo Bonzini */ 569c17d615SPaolo Bonzini int qemu_get_guest_memory_mapping(MemoryMappingList *list); 579c17d615SPaolo Bonzini 589c17d615SPaolo Bonzini /* get guest's memory mapping without do paging(virtual address is 0). */ 599c17d615SPaolo Bonzini void qemu_get_guest_simple_memory_mapping(MemoryMappingList *list); 609c17d615SPaolo Bonzini 619c17d615SPaolo Bonzini void memory_mapping_filter(MemoryMappingList *list, int64_t begin, 629c17d615SPaolo Bonzini int64_t length); 639c17d615SPaolo Bonzini 649c17d615SPaolo Bonzini #endif 65