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 "exec/cpu-common.h" 18 #include "qemu/notify.h" 19 #include "qapi/qapi-types-net.h" 20 21 /* migration/ram.c */ 22 23 typedef enum PrecopyNotifyReason { 24 PRECOPY_NOTIFY_SETUP = 0, 25 PRECOPY_NOTIFY_BEFORE_BITMAP_SYNC = 1, 26 PRECOPY_NOTIFY_AFTER_BITMAP_SYNC = 2, 27 PRECOPY_NOTIFY_COMPLETE = 3, 28 PRECOPY_NOTIFY_CLEANUP = 4, 29 PRECOPY_NOTIFY_MAX = 5, 30 } PrecopyNotifyReason; 31 32 typedef struct PrecopyNotifyData { 33 enum PrecopyNotifyReason reason; 34 Error **errp; 35 } PrecopyNotifyData; 36 37 void precopy_infrastructure_init(void); 38 void precopy_add_notifier(NotifierWithReturn *n); 39 void precopy_remove_notifier(NotifierWithReturn *n); 40 int precopy_notify(PrecopyNotifyReason reason, Error **errp); 41 void precopy_enable_free_page_optimization(void); 42 43 void ram_mig_init(void); 44 void qemu_guest_free_page_hint(void *addr, size_t len); 45 46 /* migration/block.c */ 47 48 #ifdef CONFIG_LIVE_BLOCK_MIGRATION 49 void blk_mig_init(void); 50 #else 51 static inline void blk_mig_init(void) {} 52 #endif 53 54 AnnounceParameters *migrate_announce_params(void); 55 /* migration/savevm.c */ 56 57 void dump_vmstate_json_to_file(FILE *out_fp); 58 59 /* migration/migration.c */ 60 void migration_object_init(void); 61 void migration_shutdown(void); 62 void qemu_start_incoming_migration(const char *uri, Error **errp); 63 bool migration_is_idle(void); 64 void add_migration_state_change_notifier(Notifier *notify); 65 void remove_migration_state_change_notifier(Notifier *notify); 66 bool migration_in_setup(MigrationState *); 67 bool migration_has_finished(MigrationState *); 68 bool migration_has_failed(MigrationState *); 69 /* ...and after the device transmission */ 70 bool migration_in_postcopy_after_devices(MigrationState *); 71 void migration_global_dump(Monitor *mon); 72 73 /* migration/block-dirty-bitmap.c */ 74 void dirty_bitmap_mig_init(void); 75 76 #endif 77