1 /* 2 * QEMU System Emulator 3 * 4 * Copyright (c) 2003-2008 Fabrice Bellard 5 * Copyright (c) 2011-2015 Red Hat Inc 6 * 7 * Authors: 8 * Juan Quintela <quintela@redhat.com> 9 * 10 * Permission is hereby granted, free of charge, to any person obtaining a copy 11 * of this software and associated documentation files (the "Software"), to deal 12 * in the Software without restriction, including without limitation the rights 13 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 14 * copies of the Software, and to permit persons to whom the Software is 15 * furnished to do so, subject to the following conditions: 16 * 17 * The above copyright notice and this permission notice shall be included in 18 * all copies or substantial portions of the Software. 19 * 20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 23 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 24 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 25 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 26 * THE SOFTWARE. 27 */ 28 29 #ifndef QEMU_MIGRATION_RAM_H 30 #define QEMU_MIGRATION_RAM_H 31 32 #include "qemu-common.h" 33 #include "exec/cpu-common.h" 34 35 int64_t xbzrle_cache_resize(int64_t new_size); 36 uint64_t dup_mig_pages_transferred(void); 37 uint64_t norm_mig_pages_transferred(void); 38 uint64_t xbzrle_mig_bytes_transferred(void); 39 uint64_t xbzrle_mig_pages_transferred(void); 40 uint64_t xbzrle_mig_pages_cache_miss(void); 41 double xbzrle_mig_cache_miss_rate(void); 42 uint64_t xbzrle_mig_pages_overflow(void); 43 uint64_t ram_bytes_transferred(void); 44 uint64_t ram_bytes_remaining(void); 45 uint64_t ram_dirty_sync_count(void); 46 uint64_t ram_dirty_pages_rate(void); 47 uint64_t ram_postcopy_requests(void); 48 uint64_t ram_bytes_total(void); 49 50 void migrate_compress_threads_create(void); 51 void migrate_compress_threads_join(void); 52 void migrate_decompress_threads_create(void); 53 void migrate_decompress_threads_join(void); 54 55 uint64_t ram_pagesize_summary(void); 56 void migration_page_queue_free(void); 57 int ram_save_queue_pages(const char *rbname, ram_addr_t start, ram_addr_t len); 58 void acct_update_position(QEMUFile *f, size_t size, bool zero); 59 void free_xbzrle_decoded_buf(void); 60 void ram_debug_dump_bitmap(unsigned long *todump, bool expected, 61 unsigned long pages); 62 void ram_postcopy_migrated_memory_release(MigrationState *ms); 63 /* For outgoing discard bitmap */ 64 int ram_postcopy_send_discard_bitmap(MigrationState *ms); 65 /* For incoming postcopy discard */ 66 int ram_discard_range(const char *block_name, uint64_t start, size_t length); 67 int ram_postcopy_incoming_init(MigrationIncomingState *mis); 68 69 void ram_handle_compressed(void *host, uint8_t ch, uint64_t size); 70 #endif 71