root/oshmem/mca/atomic/mxm/atomic_mxm_fadd.c

DEFINITIONS

1. mca_atomic_mxm_add
2. mca_atomic_mxm_fadd

   1 /*
   2  * Copyright (c) 2013      Mellanox Technologies, Inc.
   3  *                         All rights reserved.
   4  * Copyright (c) 2016      Research Organization for Information Science
   5  *                         and Technology (RIST). All rights reserved.
   6  * $COPYRIGHT$
   7  *
   8  * Additional copyrights may follow
   9  *
  10  * $HEADER$
  11  */
  12 
  13 #include "oshmem_config.h"
  14 #include <stdio.h>
  15 #include <stdlib.h>
  16 
  17 #include "oshmem/constants.h"
  18 #include "oshmem/op/op.h"
  19 #include "oshmem/mca/spml/spml.h"
  20 #include "oshmem/mca/atomic/atomic.h"
  21 #include "oshmem/mca/atomic/base/base.h"
  22 #include "oshmem/mca/memheap/memheap.h"
  23 #include "oshmem/mca/memheap/base/base.h"
  24 #include "oshmem/runtime/runtime.h"
  25 
  26 #include "atomic_mxm.h"
  27 
  28 int mca_atomic_mxm_add(shmem_ctx_t ctx,
  29                        void *target,
  30                        uint64_t value,
  31                        size_t size,
  32                        int pe)
  33 {
  34     mxm_send_req_t sreq;
  35     static char dummy_buf[8];
  36 
  37     mca_atomic_mxm_req_init(&sreq, pe, target, size);
  38 
  39     sreq.op.atomic.value      = value;
  40     sreq.opcode               = MXM_REQ_OP_ATOMIC_FADD;
  41     sreq.base.data.buffer.ptr = dummy_buf;
  42 
  43     mca_atomic_mxm_post(&sreq);
  44 
  45     return OSHMEM_SUCCESS;
  46 }
  47 
  48 int mca_atomic_mxm_fadd(shmem_ctx_t ctx,
  49                         void *target,
  50                         void *prev,
  51                         uint64_t value,
  52                         size_t size,
  53                         int pe)
  54 {
  55     mxm_send_req_t sreq;
  56 
  57     mca_atomic_mxm_req_init(&sreq, pe, target, size);
  58 
  59     sreq.op.atomic.value      = value;
  60     sreq.opcode               = MXM_REQ_OP_ATOMIC_FADD;
  61     sreq.base.data.buffer.ptr = prev;
  62 
  63     mca_atomic_mxm_post(&sreq);
  64 
  65     return OSHMEM_SUCCESS;
  66 }