131 строка
3.6 KiB
C
131 строка
3.6 KiB
C
/*
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* Copyright (C) Mellanox Technologies Ltd. 2001-2011. ALL RIGHTS RESERVED.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#include "ompi_config.h"
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#include "orte/util/show_help.h"
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#include "opal/util/output.h"
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#include "opal/mca/base/mca_base_param.h"
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#include "ompi/proc/proc.h"
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#include "mtl_mxm.h"
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#include "mtl_mxm_types.h"
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#include "mtl_mxm_request.h"
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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static int ompi_mtl_mxm_component_open(void);
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static int ompi_mtl_mxm_component_close(void);
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static int ompi_mtl_mxm_component_register(void);
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int mca_mtl_mxm_output = -1;
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static mca_mtl_base_module_t
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* ompi_mtl_mxm_component_init(bool enable_progress_threads,
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bool enable_mpi_threads);
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mca_mtl_mxm_component_t mca_mtl_mxm_component = {
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{
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/*
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* First, the mca_base_component_t struct containing meta
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* information about the component itself
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*/
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{
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MCA_MTL_BASE_VERSION_2_0_0,
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"mxm", /* MCA component name */
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OMPI_MAJOR_VERSION, /* MCA component major version */
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OMPI_MINOR_VERSION, /* MCA component minor version */
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OMPI_RELEASE_VERSION, /* MCA component release version */
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ompi_mtl_mxm_component_open, /* component open */
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ompi_mtl_mxm_component_close, /* component close */
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NULL,
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ompi_mtl_mxm_component_register
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},
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{
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/* The component is not checkpoint ready */
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MCA_BASE_METADATA_PARAM_NONE
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},
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ompi_mtl_mxm_component_init /* component init */
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}
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};
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static int ompi_mtl_mxm_component_register(void)
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{
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mca_base_component_t*c;
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c = &mca_mtl_mxm_component.super.mtl_version;
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mca_base_param_reg_int(c, "verbose",
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"Verbose level of the MXM component",
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false, false,
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0,
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&ompi_mtl_mxm.verbose);
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mca_base_param_reg_int(c, "np",
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"[integer] Minimal number of MPI processes in a single job "
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"required to activate the MXM transport",
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false, false,
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128,
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&ompi_mtl_mxm.mxm_np);
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return OMPI_SUCCESS;
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}
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static int ompi_mtl_mxm_component_open(void)
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{
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mxm_error_t err;
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mca_mtl_mxm_output = opal_output_open(NULL);
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opal_output_set_verbosity(mca_mtl_mxm_output, ompi_mtl_mxm.verbose);
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mxm_fill_context_opts(&ompi_mtl_mxm.mxm_opts);
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err = mxm_init(&ompi_mtl_mxm.mxm_opts, &ompi_mtl_mxm.mxm_context);
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if (MXM_OK != err) {
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if (MXM_ERR_NO_DEVICE == err) {
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MXM_VERBOSE(1, "No supported device found, disqualifying mxm");
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} else {
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orte_show_help("help-mtl-mxm.txt", "mxm init", true,
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mxm_error_string(err));
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}
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return OPAL_ERR_NOT_AVAILABLE;
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}
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return OMPI_SUCCESS;
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}
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static int ompi_mtl_mxm_component_close(void)
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{
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mxm_cleanup(ompi_mtl_mxm.mxm_context);
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ompi_mtl_mxm.mxm_context = NULL;
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return OMPI_SUCCESS;
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}
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static mca_mtl_base_module_t*
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ompi_mtl_mxm_component_init(bool enable_progress_threads,
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bool enable_mpi_threads)
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{
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int rc;
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rc = ompi_mtl_mxm_module_init();
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if (OMPI_SUCCESS != rc) {
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return NULL;
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}
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/* Calculate MTL constraints according to MXM types */
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ompi_mtl_mxm.super.mtl_max_contextid = 1UL << (sizeof(mxm_ctxid_t) * 8);
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ompi_mtl_mxm.super.mtl_max_tag = 1UL << (sizeof(mxm_tag_t) * 8 - 2);
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ompi_mtl_mxm.super.mtl_request_size =
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sizeof(mca_mtl_mxm_request_t) - sizeof(struct mca_mtl_request_t);
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return &ompi_mtl_mxm.super;
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}
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