rocm-systems/src/reverse_offload/context_ro_host.cpp

/******************************************************************************
 * Copyright (c) Advanced Micro Devices, Inc. All rights reserved.
 *
 * SPDX-License-Identifier: MIT
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 *****************************************************************************/

#include "context_ro_host.hpp"


#include "rocshmem/rocshmem_config.h"  // NOLINT(build/include_subdir)
#include "backend_type.hpp"
#include "context_incl.hpp"
#include "host/host.hpp"
#include "backend_ro.hpp"

namespace rocshmem {

__host__ ROHostContext::ROHostContext(Backend *backend, long options)
    : Context(backend) {
  ROBackend *b{static_cast<ROBackend *>(backend)};

  host_interface = b->host_interface;

  context_window_info = dynamic_cast<WindowInfoMPI*>(host_interface->acquire_window_context());

  int *pes_with_ipc_avail = new int[backend->ipcImpl.shm_size];
  char** ipc_bases = new char*[b->ipcImpl.shm_size];
  if (backend->ipcImpl.pes_with_ipc_avail != nullptr) {
    CHECK_HIP(hipMemcpy(pes_with_ipc_avail,
                  backend->ipcImpl.pes_with_ipc_avail,
                  backend->ipcImpl.shm_size * sizeof(int),
                  hipMemcpyDeviceToHost));
    CHECK_HIP(hipMemcpy(ipc_bases,
                  backend->ipcImpl.ipc_bases,
                  backend->ipcImpl.shm_size * sizeof(char *),
                  hipMemcpyDeviceToHost));
  }
  ipcImpl_.pes_with_ipc_avail = pes_with_ipc_avail;
  ipcImpl_.ipc_bases = ipc_bases;
  ipcImpl_.shm_size = backend->ipcImpl.shm_size;
  ipcImpl_.shm_rank = backend->ipcImpl.shm_rank;
}

__host__ ROHostContext::~ROHostContext() {
  delete[] ipcImpl_.pes_with_ipc_avail;
  delete[] ipcImpl_.ipc_bases;
  // host_interface->release_window_context(context_window_info);
}

__host__ void ROHostContext::putmem_nbi(void *dest, const void *source,
                                        size_t nelems, int pe) {
  DPRINTF("Function: ro_net_host_putmem_nbi\n");

  host_interface->putmem_nbi(dest, source, nelems, pe, context_window_info);
}

__host__ void ROHostContext::getmem_nbi(void *dest, const void *source,
                                        size_t nelems, int pe) {
  DPRINTF("Function: ro_net_host_getmem_nbi\n");

  host_interface->getmem_nbi(dest, source, nelems, pe, context_window_info);
}

__host__ void ROHostContext::putmem(void *dest, const void *source,
                                    size_t nelems, int pe) {
  DPRINTF("Function: ro_net_host_putmem\n");

  host_interface->putmem(dest, source, nelems, pe, context_window_info);
}

__host__ void ROHostContext::getmem(void *dest, const void *source,
                                    size_t nelems, int pe) {
  DPRINTF("Function: ro_net_host_getmem\n");

  host_interface->getmem(dest, source, nelems, pe, context_window_info);
}

__host__ void ROHostContext::fence() {
  DPRINTF("Function: ro_net_host_fence\n");

  host_interface->fence(context_window_info);
}

__host__ void ROHostContext::quiet() {
  DPRINTF("Function: ro_net_host_quiet\n");

  host_interface->quiet(context_window_info);
}

__host__ void *ROHostContext::shmem_ptr(const void *dest, int pe) {
  DPRINTF("Function: ro_net_host_shmem_ptr\n");

  void *ret = nullptr;
  int local_pe{-1};
  if (ipcImpl_.isIpcAvailable(my_pe, pe, &local_pe)) {
    void *dst = const_cast<void *>(dest);
    uint64_t L_offset =
        reinterpret_cast<char *>(dst) - ipcImpl_.ipc_bases[ipcImpl_.shm_rank];
    ret = ipcImpl_.ipc_bases[local_pe] + L_offset;
  }
  return ret;
}

__host__ void ROHostContext::sync_all() {
  DPRINTF("Function: ro_net_host_sync_all\n");

  host_interface->sync_all(context_window_info);
}

__host__ void ROHostContext::barrier_all() {
  DPRINTF("Function: ro_net_host_barrier_all\n");

  host_interface->fence(context_window_info);

  host_interface->barrier_for_sync();
}

__host__ void ROHostContext::barrier_all_on_stream(hipStream_t stream) {
  DPRINTF("Function: ro_net_host_barrier_all_on_stream\n");

  host_interface->barrier_all_on_stream(stream);
}

__host__ void ROHostContext::alltoallmem_on_stream(rocshmem_team_t team,
                                                    void *dest,
                                                    const void *source,
                                                    size_t size,
                                                    hipStream_t stream) {
  DPRINTF("Function: ro_net_host_alltoallmem_on_stream\n");

  host_interface->alltoallmem_on_stream(team, dest, source, size, stream);
}

__host__ void ROHostContext::broadcastmem_on_stream(rocshmem_team_t team,
                                                    void *dest,
                                                    const void *source,
                                                    size_t nelems, int pe_root,
                                                    hipStream_t stream) {
  DPRINTF("Function: ro_net_host_broadcastmem_on_stream\n");

  host_interface->broadcastmem_on_stream(team, dest, source, nelems, pe_root,
                                         stream);
}

__host__ void ROHostContext::getmem_on_stream(void *dest, const void *source,
                                              size_t nelems, int pe,
                                              hipStream_t stream) {
  DPRINTF("Function: ro_net_host_getmem_on_stream\n");

  host_interface->getmem_on_stream(dest, source, nelems, pe, stream);
}

__host__ void ROHostContext::putmem_on_stream(void *dest, const void *source,
                                              size_t nelems, int pe,
                                              hipStream_t stream) {
  DPRINTF("Function: ro_net_host_putmem_on_stream\n");

  host_interface->putmem_on_stream(dest, source, nelems, pe, stream);
}

__host__ void ROHostContext::putmem_signal_on_stream(
    void *dest, const void *source, size_t nelems, uint64_t *sig_addr,
    uint64_t signal, int sig_op, int pe, hipStream_t stream) {
  DPRINTF("Function: ro_net_host_putmem_signal_on_stream\n");

  host_interface->putmem_signal_on_stream(dest, source, nelems, sig_addr,
                                          signal, sig_op, pe, stream);
}

__host__ void ROHostContext::signal_wait_until_on_stream(uint64_t *sig_addr,
                                                         int cmp,
                                                         uint64_t cmp_value,
                                                         hipStream_t stream) {
  DPRINTF("Function: ro_net_host_signal_wait_until_on_stream\n");

  host_interface->signal_wait_until_on_stream(sig_addr, cmp, cmp_value, stream);
}

}  // namespace rocshmem