276 строки
8.0 KiB
C
276 строки
8.0 KiB
C
/*
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* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2005 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* Copyright (c) 2006-2010 QLogic Corporation. All rights reserved.
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* Copyright (c) 2012 Los Alamos National Security, LLC.
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* 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 "orte/util/proc_info.h"
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#include "opal/mca/event/event.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_psm.h"
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#include "mtl_psm_types.h"
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#include "mtl_psm_request.h"
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#include "psm.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_psm_component_open(void);
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static int ompi_mtl_psm_component_close(void);
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static int ompi_mtl_psm_component_register(void);
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static mca_mtl_base_module_t* ompi_mtl_psm_component_init( bool enable_progress_threads,
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bool enable_mpi_threads );
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mca_mtl_psm_component_t mca_mtl_psm_component = {
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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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MCA_MTL_BASE_VERSION_2_0_0,
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"psm", /* 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_psm_component_open, /* component open */
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ompi_mtl_psm_component_close, /* component close */
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NULL,
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ompi_mtl_psm_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_psm_component_init /* component init */
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}
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};
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static int
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ompi_mtl_psm_component_register(void)
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{
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int value;
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char *service_id = NULL;
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char *path_res = NULL;
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mca_base_param_reg_int(&mca_mtl_psm_component.super.mtl_version,
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"connect_timeout",
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"PSM connection timeout value in seconds",
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false, false, 180, &ompi_mtl_psm.connect_timeout);
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mca_base_param_reg_int(&mca_mtl_psm_component.super.mtl_version,
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"debug",
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"PSM debug level",
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false, false, 1,
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&value);
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ompi_mtl_psm.debug_level = value;
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mca_base_param_reg_int(&mca_mtl_psm_component.super.mtl_version,
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"ib_unit",
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"Truescale unit to use",
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false, false, -1,
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&ompi_mtl_psm.ib_unit);
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mca_base_param_reg_int(&mca_mtl_psm_component.super.mtl_version,
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"ib_port",
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"Truescale port on unit to use",
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false, false, 0,
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&ompi_mtl_psm.ib_port);
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mca_base_param_reg_int(&mca_mtl_psm_component.super.mtl_version,
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"ib_service_level",
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"Infiniband service level"
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"(0 <= SL <= 15)",
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false, false, 0, &ompi_mtl_psm.ib_service_level);
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ompi_mtl_psm.ib_pkey = 0x7fffUL;
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mca_base_param_reg_int(&mca_mtl_psm_component.super.mtl_version,
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"ib_pkey",
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"Infiniband partition key",
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false, false, 0x7fffUL,
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&value);
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ompi_mtl_psm.ib_pkey = value;
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#if PSM_VERNO >= 0x010d
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mca_base_param_reg_string(&mca_mtl_psm_component.super.mtl_version,
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"ib_service_id",
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"Infiniband service ID to use for application (default is 0)",
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false, false, "0x1000117500000000",
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&service_id);
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ompi_mtl_psm.ib_service_id = (uint64_t) strtoull(service_id, NULL, 0);
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mca_base_param_reg_string(&mca_mtl_psm_component.super.mtl_version,
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"path_query",
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"Path record query mechanisms (valid values: opp, none)",
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false, false, NULL, &path_res);
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if ((NULL != path_res) && strcasecmp(path_res, "none")) {
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if (!strcasecmp(path_res, "opp"))
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ompi_mtl_psm.path_res_type = PSM_PATH_RES_OPP;
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else {
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orte_show_help("help-mtl-psm.txt",
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"path query mechanism unknown", true,
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path_res, "OfedPlus (opp) | Static Routes (none)");
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return OMPI_ERR_NOT_FOUND;
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}
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}
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else {
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/* Default is "static/none" path record queries */
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ompi_mtl_psm.path_res_type = PSM_PATH_RES_NONE;
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}
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#endif
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if (ompi_mtl_psm.ib_service_level < 0) {
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ompi_mtl_psm.ib_service_level = 0;
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} else if (ompi_mtl_psm.ib_service_level > 15) {
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ompi_mtl_psm.ib_service_level = 15;
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}
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return OMPI_SUCCESS;
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}
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static int
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ompi_mtl_psm_component_open(void)
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{
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struct stat st;
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/* Component available only if Truescale hardware is present */
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if (0 == stat("/dev/ipath", &st)) {
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return OMPI_SUCCESS;
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}
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else {
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return OPAL_ERR_NOT_AVAILABLE;
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}
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}
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static int
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ompi_mtl_psm_component_close(void)
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{
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return OMPI_SUCCESS;
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}
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static int
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get_num_local_procs(int *out_nlp)
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{
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/* num_local_peers does not include us in
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* its calculation, so adjust for that */
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*out_nlp = (int)(1 + orte_process_info.num_local_peers);
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return OMPI_SUCCESS;
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}
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static int
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get_local_rank(int *out_rank)
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{
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orte_node_rank_t my_node_rank;
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*out_rank = 0;
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if (ORTE_NODE_RANK_INVALID == (my_node_rank =
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orte_process_info.my_node_rank)) {
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return OMPI_ERROR;
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}
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*out_rank = (int)my_node_rank;
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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_psm_component_init(bool enable_progress_threads,
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bool enable_mpi_threads)
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{
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psm_error_t err;
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int verno_major = PSM_VERNO_MAJOR;
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int verno_minor = PSM_VERNO_MINOR;
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int local_rank = -1, num_local_procs = 0;
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/* Compute the total number of processes on this host and our local rank
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* on that node. We need to provide PSM with these values so it can
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* allocate hardware contexts appropriately across processes.
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*/
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if (OMPI_SUCCESS != get_num_local_procs(&num_local_procs)) {
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opal_output(0, "Cannot determine number of local processes. "
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"Cannot continue.\n");
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return NULL;
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}
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if (OMPI_SUCCESS != get_local_rank(&local_rank)) {
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opal_output(0, "Cannot determine local rank. Cannot continue.\n");
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return NULL;
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}
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err = psm_error_register_handler(NULL /* no ep */,
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PSM_ERRHANDLER_NOP);
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if (err) {
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opal_output(0, "Error in psm_error_register_handler (error %s)\n",
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psm_error_get_string(err));
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return NULL;
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}
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#if PSM_VERNO >= 0x010c
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/* Set infinipath debug level */
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err = psm_setopt(PSM_COMPONENT_CORE, 0, PSM_CORE_OPT_DEBUG,
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(const void*) &ompi_mtl_psm.debug_level,
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sizeof(unsigned));
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if (err) {
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/* Non fatal error. Can continue */
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orte_show_help("help-mtl-psm.txt",
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"psm init", false,
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psm_error_get_string(err));
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}
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#endif
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/* Only allow for shm and ipath devices in 2.0 and earlier releases
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* (unless the user overrides the setting).
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*/
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if (PSM_VERNO >= 0x0104) {
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setenv("PSM_DEVICES", "self,shm,ipath", 0);
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}
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else {
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setenv("PSM_DEVICES", "shm,ipath", 0);
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}
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err = psm_init(&verno_major, &verno_minor);
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if (err) {
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orte_show_help("help-mtl-psm.txt",
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"psm init", true,
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psm_error_get_string(err));
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return NULL;
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}
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/* Complete PSM initialization */
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ompi_mtl_psm_module_init(local_rank, num_local_procs);
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ompi_mtl_psm.super.mtl_request_size =
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sizeof(mca_mtl_psm_request_t) -
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sizeof(struct mca_mtl_request_t);
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return &ompi_mtl_psm.super;
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}
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