Typedef resp_t

typedef struct packed {                               
    logic     aw_ready;                                 
    logic     ar_ready;                                 
    logic     w_ready;                                  
    logic     b_valid;                                  
    b_chan_t  b;                                        
    logic     r_valid;                                  
    r_chan_t  r;                                        
  } resp_t;