void fw_core_handle_response(struct fw_card *card, struct fw_packet *packet);
void fw_fill_response(struct fw_packet *response, u32 *request_header,
int rcode, void *payload, size_t length);
-void fw_flush_transactions(struct fw_card *card);
void fw_send_phy_config(struct fw_card *card,
int node_id, int generation, int gap_count);