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#ifndef LIBRARY_SRC_IPC_CONTEXT_DEVICE_HPP_
#define LIBRARY_SRC_IPC_CONTEXT_DEVICE_HPP_

#include "../context.hpp"

namespace rocshmem {

class IPCContext : public Context {
 public:
  __host__ IPCContext(Backend *b);

  __device__ IPCContext(Backend *b);

  __device__ void threadfence_system();

  __device__ void ctx_create();

  __device__ void ctx_destroy();

  __device__ void putmem(void *dest, const void *source, size_t nelems, int pe);

  __device__ void getmem(void *dest, const void *source, size_t nelems, int pe);

  __device__ void putmem_nbi(void *dest, const void *source, size_t nelems,
                             int pe);

  __device__ void getmem_nbi(void *dest, const void *source, size_t size,
                             int pe);

  __device__ void fence();

  __device__ void fence(int pe);

  __device__ void quiet();

  __device__ void *shmem_ptr(const void *dest, int pe);

  __device__ void barrier_all();

  __device__ void sync_all();

  __device__ void sync(roc_shmem_team_t team);

  template <typename T>
  __device__ void p(T *dest, T value, int pe);

  template <typename T>
  __device__ void put(T *dest, const T *source, size_t nelems, int pe);

  template <typename T>
  __device__ void put_nbi(T *dest, const T *source, size_t nelems, int pe);

  template <typename T>
  __device__ T g(const T *source, int pe);

  template <typename T>
  __device__ void get(T *dest, const T *source, size_t nelems, int pe);

  template <typename T>
  __device__ void get_nbi(T *dest, const T *source, size_t nelems, int pe);

  // Atomic operations
  template <typename T>
  __device__ void amo_add(void *dst, T value, int pe);

  template <typename T>
  __device__ void amo_set(void *dst, T value, int pe);

  template <typename T>
  __device__ T amo_swap(void *dst, T value, int pe);

  template <typename T>
  __device__ T amo_fetch_and(void *dst, T value, int pe);

  template <typename T>
  __device__ void amo_and(void *dst, T value, int pe);

  template <typename T>
  __device__ T amo_fetch_or(void *dst, T value, int pe);

  template <typename T>
  __device__ void amo_or(void *dst, T value, int pe);

  template <typename T>
  __device__ T amo_fetch_xor(void *dst, T value, int pe);

  template <typename T>
  __device__ void amo_xor(void *dst, T value, int pe);

  template <typename T>
  __device__ void amo_cas(void *dst, T value, T cond, int pe);

  template <typename T>
  __device__ T amo_fetch_add(void *dst, T value, int pe);

  template <typename T>
  __device__ T amo_fetch_cas(void *dst, T value, T cond, int pe);

  // Collectives
  template <typename T, ROC_SHMEM_OP Op>
  __device__ void to_all(T *dest, const T *source, int nreduce, int PE_start,
                         int logPE_stride, int PE_size, T *pWrk,
                         long *pSync);  // NOLINT(runtime/int)

  template <typename T, ROC_SHMEM_OP Op>
  __device__ void to_all(roc_shmem_team_t team, T *dest, const T *source,
                         int nreduce);

  template <typename T>
  __device__ void broadcast(roc_shmem_team_t team, T *dest, const T *source,
                            int nelems, int pe_root);

  template <typename T>
  __device__ void broadcast(T *dest, const T *source, int nelems, int pe_root,
                            int pe_start, int log_pe_stride, int pe_size,
                            long *p_sync);  // NOLINT(runtime/int)
  template <typename T>
  __device__ void alltoall(roc_shmem_team_t team, T *dest, const T *source,
                           int nelems);
  template <typename T>
  __device__ void fcollect(roc_shmem_team_t team, T *dest, const T *source,
                           int nelems);


  // Block/wave functions
  __device__ void putmem_wg(void *dest, const void *source, size_t nelems,
                            int pe);

  __device__ void getmem_wg(void *dest, const void *source, size_t nelems,
                            int pe);

  __device__ void putmem_nbi_wg(void *dest, const void *source, size_t nelems,
                                int pe);

  __device__ void getmem_nbi_wg(void *dest, const void *source, size_t size,
                                int pe);

  __device__ void putmem_wave(void *dest, const void *source, size_t nelems,
                              int pe);

  __device__ void getmem_wave(void *dest, const void *source, size_t nelems,
                              int pe);

  __device__ void putmem_nbi_wave(void *dest, const void *source, size_t nelems,
                                  int pe);

  __device__ void getmem_nbi_wave(void *dest, const void *source, size_t size,
                                  int pe);

  template <typename T>
  __device__ void put_wg(T *dest, const T *source, size_t nelems, int pe);

  template <typename T>
  __device__ void put_nbi_wg(T *dest, const T *source, size_t nelems, int pe);

  template <typename T>
  __device__ void put_wave(T *dest, const T *source, size_t nelems, int pe);

  template <typename T>
  __device__ void put_nbi_wave(T *dest, const T *source, size_t nelems, int pe);

  template <typename T>
  __device__ void get_wg(T *dest, const T *source, size_t nelems, int pe);

  template <typename T>
  __device__ void get_nbi_wg(T *dest, const T *source, size_t nelems, int pe);


  template <typename T>
  __device__ void get_wave(T *dest, const T *source, size_t nelems, int pe);

  template <typename T>
  __device__ void get_nbi_wave(T *dest, const T *source, size_t nelems, int pe);

 private:

  //context class has IpcImpl object (ipcImpl_)
  IpcImpl *ipcImpl{nullptr};

  uint64_t* atomic_base_ptr{nullptr};

  char* g_ret;

  //internal functions used by collective operations
   template <typename T>
  __device__ void internal_put_broadcast(T *dst, const T *src, int nelems,
                                         int pe_root, int PE_start,
                                         int logPE_stride, int PE_size,
                                         long *pSync);  // NOLINT(runtime/int)

  template <typename T>
  __device__ void internal_get_broadcast(T *dst, const T *src, int nelems,
                                         int pe_root,
                                         long *pSync);  // NOLINT(runtime/int)

  template <typename T>
  __device__ void fcollect_linear(roc_shmem_team_t team, T *dest,
                                  const T *source, int nelems);

  template <typename T>
  __device__ void alltoall_linear(roc_shmem_team_t team, T *dest,
                                  const T *source, int nelems);

  __device__ void internal_sync(int pe, int PE_start, int stride, int PE_size,
                                int64_t *pSync);

  __device__ void internal_direct_barrier(int pe, int PE_start, int stride,
                                          int n_pes, int64_t *pSync);

  __device__ void internal_atomic_barrier(int pe, int PE_start, int stride,
                                          int n_pes, int64_t *pSync);

  //Temporary scratchpad memory used by internal barrier algorithms.
  int64_t *barrier_sync{nullptr};
};

}  // namespace rocshmem

#endif  // LIBRARY_SRC_GPU_IB_CONTEXT_IB_DEVICE_HPP_