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 #include "qapi/qapi-types-migration.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 42 void ram_mig_init(void); 43 void qemu_guest_free_page_hint(void *addr, size_t len); 44 bool migrate_ram_is_ignored(RAMBlock *block); 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 bool migration_is_idle(void); 63 bool migration_is_active(MigrationState *); 64 void migration_add_notifier(Notifier *notify, 65 void (*func)(Notifier *notifier, void *data)); 66 void migration_remove_notifier(Notifier *notify); 67 void migration_call_notifiers(MigrationState *s); 68 bool migration_in_setup(MigrationState *); 69 bool migration_has_finished(MigrationState *); 70 bool migration_has_failed(MigrationState *); 71 /* ...and after the device transmission */ 72 bool migration_in_postcopy_after_devices(MigrationState *); 73 /* True if incoming migration entered POSTCOPY_INCOMING_DISCARD */ 74 bool migration_in_incoming_postcopy(void); 75 /* True if incoming migration entered POSTCOPY_INCOMING_ADVISE */ 76 bool migration_incoming_postcopy_advised(void); 77 /* True if background snapshot is active */ 78 bool migration_in_bg_snapshot(void); 79 80 /* migration/block-dirty-bitmap.c */ 81 void dirty_bitmap_mig_init(void); 82 83 #endif 84