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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2011 Mellanox Technologies. All rights reserved.
* Copyright (c) 2015 Los Alamos National Security, LLC. All rights
* reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include <stdio.h>
#include <dlfcn.h>
#include <libgen.h>
#include "scoll_mpi.h"
/*
* Public string showing the oshmem scoll_mpi component version number
*/
const char *mca_scoll_mpi_component_version_string =
"OpenSHMEM MPI collective MCA component version " OSHMEM_VERSION;
static int mpi_open(void);
static int mpi_close(void);
static int mpi_register(void);
int mca_scoll_mpi_output = -1;
mca_scoll_mpi_component_t mca_scoll_mpi_component = {
/* First, the mca_component_t struct containing meta information
about the component itfca */
{
.scoll_version = {
MCA_SCOLL_BASE_VERSION_2_0_0,
/* Component name and version */
.mca_component_name = "mpi",
MCA_BASE_MAKE_VERSION(component, OSHMEM_MAJOR_VERSION, OSHMEM_MINOR_VERSION,
OSHMEM_RELEASE_VERSION),
/* Component open and close functions */
.mca_open_component = mpi_open,
.mca_close_component = mpi_close,
.mca_register_component_params = mpi_register,
},
.scoll_data = {
/* The component is not checkpoint ready */
MCA_BASE_METADATA_PARAM_NONE
},
/* Initialization / querying functions */
.scoll_init = mca_scoll_mpi_init_query,
.scoll_query = mca_scoll_mpi_comm_query,
},
77, /* priority */
0, /* verbose level */
1, /* mpi_enable */
2 /*mpi_np */
};
/*
* * Local flags
* */
enum {
REGINT_NEG_ONE_OK = 0x01,
REGINT_GE_ZERO = 0x02,
REGINT_GE_ONE = 0x04,
REGINT_NONZERO = 0x08,
REGINT_MAX = 0x88
};
enum {
REGSTR_EMPTY_OK = 0x01,
REGSTR_MAX = 0x88
};
/*
* Utility routine for integer parameter registration
*/
static int reg_int(const char* param_name,
const char* deprecated_param_name,
const char* param_desc,
int default_value, int *storage, int flags)
{
int index;
*storage = default_value;
index = mca_base_component_var_register(
&mca_scoll_mpi_component.super.scoll_version,
param_name, param_desc, MCA_BASE_VAR_TYPE_INT,
NULL, 0, 0,OPAL_INFO_LVL_9,
MCA_BASE_VAR_SCOPE_READONLY, storage);
if (NULL != deprecated_param_name) {
(void) mca_base_var_register_synonym(index,
"oshmem", "scoll", "mpi", deprecated_param_name,
MCA_BASE_VAR_SYN_FLAG_DEPRECATED);
}
if (0 != (flags & REGINT_NEG_ONE_OK) && -1 == *storage) {
return OSHMEM_SUCCESS;
}
if ((0 != (flags & REGINT_GE_ZERO) && *storage < 0) ||
(0 != (flags & REGINT_GE_ONE) && *storage < 1) ||
(0 != (flags & REGINT_NONZERO) && 0 == *storage)) {
opal_output(0, "Bad parameter value for parameter \"%s\"",
param_name);
return OSHMEM_ERR_BAD_PARAM;
}
return OSHMEM_SUCCESS;
}
static int mpi_register(void)
{
int ret, tmp;
ret = OSHMEM_SUCCESS;
#define CHECK(expr) do { \
tmp = (expr); \
if (OSHMEM_SUCCESS != tmp) ret = tmp; \
} while (0)
CHECK(reg_int("priority",NULL,
"Priority of the mpi coll component",
mca_scoll_mpi_component.mpi_priority,
&mca_scoll_mpi_component.mpi_priority,
0));
CHECK(reg_int("verbose", NULL,
"Verbose level of the mpi coll component",
mca_scoll_mpi_component.mpi_verbose,
&mca_scoll_mpi_component.mpi_verbose,
0));
CHECK(reg_int("enable",NULL,
"[1|0|] Enable/Disable MPI scoll component",
mca_scoll_mpi_component.mpi_enable,
&mca_scoll_mpi_component.mpi_enable,
0));
CHECK(reg_int("np",NULL,
"Minimal number of processes in the communicator"
" for the corresponding mpi context to be created",
mca_scoll_mpi_component.mpi_np,
&mca_scoll_mpi_component.mpi_np,
0));
return ret;
}
static int mpi_open(void)
{
mca_scoll_mpi_component_t *cm;
cm = &mca_scoll_mpi_component;
mca_scoll_mpi_output = opal_output_open(NULL);
opal_output_set_verbosity(mca_scoll_mpi_output, cm->mpi_verbose);
return OSHMEM_SUCCESS;
}
static int mpi_close(void)
{
return OSHMEM_SUCCESS;
}
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