diff options
Diffstat (limited to 'hw/s390x/s390-skeys.c')
| -rw-r--r-- | hw/s390x/s390-skeys.c | 33 |
1 files changed, 30 insertions, 3 deletions
diff --git a/hw/s390x/s390-skeys.c b/hw/s390x/s390-skeys.c index dea30422bd..539ef6d3a4 100644 --- a/hw/s390x/s390-skeys.c +++ b/hw/s390x/s390-skeys.c @@ -353,12 +353,39 @@ static int s390_storage_keys_load(QEMUFile *f, void *opaque, int version_id) return ret; } -static void s390_skeys_instance_init(Object *obj) +static inline bool s390_skeys_get_migration_enabled(Object *obj, Error **errp) +{ + S390SKeysState *ss = S390_SKEYS(obj); + + return ss->migration_enabled; +} + +static inline void s390_skeys_set_migration_enabled(Object *obj, bool value, + Error **errp) { S390SKeysState *ss = S390_SKEYS(obj); - register_savevm(NULL, TYPE_S390_SKEYS, 0, 1, s390_storage_keys_save, - s390_storage_keys_load, ss); + /* Prevent double registration of savevm handler */ + if (ss->migration_enabled == value) { + return; + } + + ss->migration_enabled = value; + + if (ss->migration_enabled) { + register_savevm(NULL, TYPE_S390_SKEYS, 0, 1, s390_storage_keys_save, + s390_storage_keys_load, ss); + } else { + unregister_savevm(DEVICE(ss), TYPE_S390_SKEYS, ss); + } +} + +static void s390_skeys_instance_init(Object *obj) +{ + object_property_add_bool(obj, "migration-enabled", + s390_skeys_get_migration_enabled, + s390_skeys_set_migration_enabled, NULL); + object_property_set_bool(obj, true, "migration-enabled", NULL); } static void s390_skeys_class_init(ObjectClass *oc, void *data) |