11f0776f1SJuan Quintela /* 21f0776f1SJuan Quintela * QEMU migration capabilities 31f0776f1SJuan Quintela * 41f0776f1SJuan Quintela * Copyright (c) 2012-2023 Red Hat Inc 51f0776f1SJuan Quintela * 61f0776f1SJuan Quintela * Authors: 71f0776f1SJuan Quintela * Orit Wasserman <owasserm@redhat.com> 81f0776f1SJuan Quintela * Juan Quintela <quintela@redhat.com> 91f0776f1SJuan Quintela * 101f0776f1SJuan Quintela * This work is licensed under the terms of the GNU GPL, version 2 or later. 111f0776f1SJuan Quintela * See the COPYING file in the top-level directory. 121f0776f1SJuan Quintela */ 131f0776f1SJuan Quintela 141f0776f1SJuan Quintela #ifndef QEMU_MIGRATION_OPTIONS_H 151f0776f1SJuan Quintela #define QEMU_MIGRATION_OPTIONS_H 161f0776f1SJuan Quintela 17*09d6c965SJuan Quintela /* constants */ 18*09d6c965SJuan Quintela 19*09d6c965SJuan Quintela /* Amount of time to allocate to each "chunk" of bandwidth-throttled 20*09d6c965SJuan Quintela * data. */ 21*09d6c965SJuan Quintela #define BUFFER_DELAY 100 22*09d6c965SJuan Quintela #define XFER_LIMIT_RATIO (1000 / BUFFER_DELAY) 23*09d6c965SJuan Quintela 241f0776f1SJuan Quintela /* capabilities */ 251f0776f1SJuan Quintela 261f0776f1SJuan Quintela bool migrate_auto_converge(void); 271f0776f1SJuan Quintela bool migrate_background_snapshot(void); 289d4b1e5fSJuan Quintela bool migrate_block(void); 295e804644SJuan Quintela bool migrate_colo(void); 30a7a94d14SJuan Quintela bool migrate_compress(void); 311f0776f1SJuan Quintela bool migrate_dirty_bitmaps(void); 32b890902cSJuan Quintela bool migrate_events(void); 331f0776f1SJuan Quintela bool migrate_ignore_shared(void); 341f0776f1SJuan Quintela bool migrate_late_block_activate(void); 3551b07548SJuan Quintela bool migrate_multifd(void); 361f0776f1SJuan Quintela bool migrate_pause_before_switchover(void); 371f0776f1SJuan Quintela bool migrate_postcopy_blocktime(void); 381f0776f1SJuan Quintela bool migrate_postcopy_preempt(void); 391f0776f1SJuan Quintela bool migrate_postcopy_ram(void); 4017cba690SJuan Quintela bool migrate_rdma_pin_all(void); 411f0776f1SJuan Quintela bool migrate_release_ram(void); 4238ad1110SJuan Quintela bool migrate_return_path(void); 431f0776f1SJuan Quintela bool migrate_validate_uuid(void); 4487dca0c9SJuan Quintela bool migrate_xbzrle(void); 451f0776f1SJuan Quintela bool migrate_zero_blocks(void); 46b4bc342cSJuan Quintela bool migrate_zero_copy_send(void); 471f0776f1SJuan Quintela 48f774fde5SJuan Quintela /* 49f774fde5SJuan Quintela * pseudo capabilities 50f774fde5SJuan Quintela * 51f774fde5SJuan Quintela * These are functions that are used in a similar way to capabilities 52f774fde5SJuan Quintela * check, but they are not a capability. 53f774fde5SJuan Quintela */ 54f774fde5SJuan Quintela 55f774fde5SJuan Quintela bool migrate_postcopy(void); 5610d4703bSJuan Quintela bool migrate_tls(void); 57f774fde5SJuan Quintela 5877608706SJuan Quintela /* capabilities helpers */ 5977608706SJuan Quintela 6077608706SJuan Quintela bool migrate_caps_check(bool *old_caps, bool *new_caps, Error **errp); 61f80196b7SJuan Quintela bool migrate_cap_set(int cap, bool value, Error **errp); 6277608706SJuan Quintela 631dfc4b9eSJuan Quintela /* parameters */ 641dfc4b9eSJuan Quintela 656f8be708SJuan Quintela bool migrate_block_incremental(void); 66f94a858fSJuan Quintela uint32_t migrate_checkpoint_delay(void); 671dfc4b9eSJuan Quintela int migrate_compress_level(void); 681dfc4b9eSJuan Quintela int migrate_compress_threads(void); 691dfc4b9eSJuan Quintela int migrate_compress_wait_thread(void); 709605c2acSJuan Quintela uint8_t migrate_cpu_throttle_increment(void); 712a8ec380SJuan Quintela uint8_t migrate_cpu_throttle_initial(void); 72873f674cSJuan Quintela bool migrate_cpu_throttle_tailslow(void); 731dfc4b9eSJuan Quintela int migrate_decompress_threads(void); 7424155bd0SJuan Quintela uint8_t migrate_max_cpu_throttle(void); 759c894df3SJuan Quintela uint64_t migrate_max_bandwidth(void); 761dfc4b9eSJuan Quintela int64_t migrate_max_postcopy_bandwidth(void); 771dfc4b9eSJuan Quintela int migrate_multifd_channels(void); 781dfc4b9eSJuan Quintela MultiFDCompression migrate_multifd_compression(void); 791dfc4b9eSJuan Quintela int migrate_multifd_zlib_level(void); 801dfc4b9eSJuan Quintela int migrate_multifd_zstd_level(void); 816499efdbSJuan Quintela uint8_t migrate_throttle_trigger_threshold(void); 821dfc4b9eSJuan Quintela uint64_t migrate_xbzrle_cache_size(void); 831dfc4b9eSJuan Quintela 84*09d6c965SJuan Quintela /* parameters helpers */ 85*09d6c965SJuan Quintela 86*09d6c965SJuan Quintela bool migrate_params_check(MigrationParameters *params, Error **errp); 87*09d6c965SJuan Quintela 881f0776f1SJuan Quintela #endif 89