Typedef xbar_payload_t

typedef struct packed {
    /// Address for the memory access
    mem_addr_t addr;
    /// Write enable, active high
    logic      we;
    /// Write data
    mem_data_t wdata;
    /// Strobe signal, byte enable
    mem_strb_t wstrb;
    /// Atomic operation, from AXI
    mem_atop_t atop;
  } xbar_payload_t;

Payload definition which is sent over the xbar between the macros and the read/write unit.