'Check if it is possible to execute live migration.
:param context: security context
:param instance: nova.db.sqlalchemy.models.Instance object
:param block_migration: if true, prepare for block migration
:param disk_over_commit: if true, allow disk over commit
:returns: a XenapiLiveMigrateData object'

def check_can_live_migrate_destination(self, context, instance, src_compute_info, dst_compute_info, block_migration=False, disk_over_commit=False):

    return self._vmops.check_can_live_migrate_destination(context, instance, block_migration, disk_over_commit)
