573 pub struct CommandCompletionEventTrb {  struct
574     trb_pointer: B64,
575     command_completion_parameter: B24,
576     completion_code: TrbCompletionCode,
577     cycle: bool,
578     reserved: B9,
579     trb_type: TrbType,
580     vf_id: B8,
581     slot_id: B8,
675 impl TypedTrb for CommandCompletionEventTrb {  implementation
737 unsafe impl DataInit for CommandCompletionEventTrb {}  implementation
765 unsafe impl TrbCast for CommandCompletionEventTrb {}  implementation