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 #include "qemu/notify.h" 18 19 /* migration/ram.c */ 20 21 void ram_mig_init(void); 22 23 /* migration/block.c */ 24 25 #ifdef CONFIG_LIVE_BLOCK_MIGRATION 26 void blk_mig_init(void); 27 #else 28 static inline void blk_mig_init(void) {} 29 #endif 30 31 #define SELF_ANNOUNCE_ROUNDS 5 32 33 static inline 34 int64_t self_announce_delay(int round) 35 { 36 assert(round < SELF_ANNOUNCE_ROUNDS && round > 0); 37 /* delay 50ms, 150ms, 250ms, ... */ 38 return 50 + (SELF_ANNOUNCE_ROUNDS - round - 1) * 100; 39 } 40 41 /* migration/savevm.c */ 42 43 void dump_vmstate_json_to_file(FILE *out_fp); 44 45 /* migration/migration.c */ 46 void migration_object_init(void); 47 void qemu_start_incoming_migration(const char *uri, Error **errp); 48 bool migration_is_idle(void); 49 void add_migration_state_change_notifier(Notifier *notify); 50 void remove_migration_state_change_notifier(Notifier *notify); 51 bool migration_in_setup(MigrationState *); 52 bool migration_has_finished(MigrationState *); 53 bool migration_has_failed(MigrationState *); 54 /* ...and after the device transmission */ 55 bool migration_in_postcopy_after_devices(MigrationState *); 56 void migration_global_dump(Monitor *mon); 57 58 #endif 59