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/*
* Copyright (c) 2014 Mellanox Technologies, Inc.
* All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "oshmem_config.h"
#include "opal/constants.h"
#include "opal/util/output.h"
#include "oshmem/mca/mca.h"
#include "opal/mca/base/base.h"
#include "opal/mca/base/mca_base_var.h"
#include "oshmem/util/oshmem_util.h"
#include "oshmem/mca/sshmem/sshmem.h"
#include "oshmem/mca/sshmem/base/base.h"
/*
* The following file was created by configure. It contains extern
* statements and the definition of an array of pointers to each
* component's public mca_base_component_t struct.
*/
#include "oshmem/mca/sshmem/base/static-components.h"
/**
* globals
*/
void *mca_sshmem_base_start_address = (void *)UINTPTR_MAX;
char * mca_sshmem_base_backing_file_dir = NULL;
/* ////////////////////////////////////////////////////////////////////////// */
/**
* Register some sshmem-wide MCA params
*/
static int
mca_sshmem_base_register (mca_base_register_flag_t flags)
{
int index;
index = mca_base_var_register("oshmem",
"sshmem",
"base",
"start_address",
"Specify base address for shared memory region",
MCA_BASE_VAR_TYPE_UNSIGNED_LONG,
NULL,
0,
MCA_BASE_VAR_FLAG_SETTABLE,
OPAL_INFO_LVL_9,
MCA_BASE_VAR_SCOPE_READONLY,
&mca_sshmem_base_start_address);
(void) mca_base_var_register_synonym(index, "oshmem", "memheap", "base",
"start_address",
MCA_BASE_VAR_SYN_FLAG_DEPRECATED);
mca_sshmem_base_backing_file_dir = "/dev/shm";
index = mca_base_var_register("oshmem",
"sshmem",
"base",
"backing_file_dir",
"Specifies where backing files will be created when "
"mmap is used and shmem_mmap_anonymous set to 0.",
MCA_BASE_VAR_TYPE_STRING,
NULL,
0,
MCA_BASE_VAR_FLAG_SETTABLE,
OPAL_INFO_LVL_9,
MCA_BASE_VAR_SCOPE_READONLY,
&mca_sshmem_base_backing_file_dir);
return OSHMEM_SUCCESS;
}
static int mca_sshmem_base_open(mca_base_open_flag_t flags)
{
oshmem_framework_open_output(&oshmem_sshmem_base_framework);
/* Open up all available components */
if (OPAL_SUCCESS !=
mca_base_framework_components_open(&oshmem_sshmem_base_framework, flags)) {
return OSHMEM_ERROR;
}
return OSHMEM_SUCCESS;
}
/* Use the default open function */
MCA_BASE_FRAMEWORK_DECLARE(oshmem, sshmem,
"OSHMEM SSHMEM",
mca_sshmem_base_register,
mca_sshmem_base_open,
mca_sshmem_base_close,
mca_sshmem_base_static_components,
MCA_BASE_FRAMEWORK_FLAG_DEFAULT);
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