1 /* 2 * QEMU migration miscellaneus exported functions 3 * 4 * Copyright IBM, Corp. 2008 5 * 6 * Authors: 7 * Anthony Liguori <aliguori@us.ibm.com> 8 * 9 * This work is licensed under the terms of the GNU GPL, version 2. See 10 * the COPYING file in the top-level directory. 11 * 12 */ 13 14 #ifndef MIGRATION_MISC_H 15 #define MIGRATION_MISC_H 16 17 /* migration/ram.c */ 18 19 void ram_mig_init(void); 20 21 /* migration/block.c */ 22 23 #ifdef CONFIG_LIVE_BLOCK_MIGRATION 24 void blk_mig_init(void); 25 #else 26 static inline void blk_mig_init(void) {} 27 #endif 28 29 #define SELF_ANNOUNCE_ROUNDS 5 30 31 static inline 32 int64_t self_announce_delay(int round) 33 { 34 assert(round < SELF_ANNOUNCE_ROUNDS && round > 0); 35 /* delay 50ms, 150ms, 250ms, ... */ 36 return 50 + (SELF_ANNOUNCE_ROUNDS - round - 1) * 100; 37 } 38 39 /* migration/savevm.c */ 40 41 void dump_vmstate_json_to_file(FILE *out_fp); 42 void savevm_skip_section_footers(void); 43 void savevm_skip_configuration(void); 44 45 /* migration/migration.c */ 46 void qemu_start_incoming_migration(const char *uri, Error **errp); 47 bool migration_is_idle(void); 48 void add_migration_state_change_notifier(Notifier *notify); 49 void remove_migration_state_change_notifier(Notifier *notify); 50 bool migration_in_setup(MigrationState *); 51 bool migration_has_finished(MigrationState *); 52 bool migration_has_failed(MigrationState *); 53 /* ...and after the device transmission */ 54 bool migration_in_postcopy_after_devices(MigrationState *); 55 #endif 56