int (*cport_connected)(struct gb_host_device *hd, u16 cport_id);
int (*cport_flush)(struct gb_host_device *hd, u16 cport_id);
int (*cport_ping)(struct gb_host_device *hd, u16 cport_id);
+ int (*cport_shutdown)(struct gb_host_device *hd, u16 cport_id,
+ u8 phase, unsigned int timeout);
int (*cport_quiesce)(struct gb_host_device *hd, u16 cport_id,
size_t peer_space, unsigned int timeout);
int (*cport_clear)(struct gb_host_device *hd, u16 cport_id);