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#ifndef LIBRARY_SRC_GPU_IB_SEGMENT_BUILDER_HPP_
#define LIBRARY_SRC_GPU_IB_SEGMENT_BUILDER_HPP_

#include <infiniband/mlx5dv.h>

#include "connection_policy.hpp"
#include "infiniband_structs.hpp"
#include "../util.hpp"

namespace rocshmem {

class SegmentBuilder {
 public:
  __device__ SegmentBuilder(uint64_t wqe_idx, void *base);

  __device__ void update_cntrl_seg(uint8_t opcode, uint16_t wqe_idx,
                                   uint32_t ctrl_qp_sq, uint64_t ctrl_sig,
                                   ConnectionImpl *connection_policy,
                                   bool zero_byte_rd);

  __device__ void update_connection_seg(int pe,
                                        ConnectionImpl *connection_policy);

  __device__ void update_atomic_data_seg(uint64_t atomic_data,
                                         uint64_t atomic_cmp);

  __device__ void update_rdma_seg(uintptr_t *raddr, uint32_t rkey);

  __device__ void update_inl_data_seg(uintptr_t *laddr, int32_t size);

  __device__ void update_data_seg(uintptr_t *laddr, int32_t size,
                                  uint32_t lkey);

 private:
  const int SEGMENTS_PER_WQE = 4;

  mlx5_segment *seg_ptr;
};

}  // namespace rocshmem

#endif  // LIBRARY_SRC_GPU_IB_SEGMENT_BUILDER_HPP_