19. Dual-Ported Memory Manager# 19.1. Introduction 19.2. Background 19.3. Operations 19.3.1. Creating a Port 19.3.2. Obtaining Port IDs 19.3.3. Converting an Address 19.3.4. Deleting a DPMA Port 19.4. Directives 19.4.1. rtems_port_create() 19.4.2. rtems_port_ident() 19.4.3. rtems_port_delete() 19.4.4. rtems_port_external_to_internal() 19.4.5. rtems_port_internal_to_external()