/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */ /* * Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana * University Research and Technology * Corporation. All rights reserved. * Copyright (c) 2004-2005 The University of Tennessee and The University * of Tennessee Research Foundation. All rights * reserved. * Copyright (c) 2004-2005 High Performance Computing Center Stuttgart, * University of Stuttgart. All rights reserved. * Copyright (c) 2004-2005 The Regents of the University of California. * All rights reserved. * Copyright (c) 2006-2010 QLogic Corporation. All rights reserved. * Copyright (c) 2012-2015 Los Alamos National Security, LLC. * All rights reserved. * Copyright (c) 2013-2015 Intel, Inc. All rights reserved * $COPYRIGHT$ * * Additional copyrights may follow * * $HEADER$ */ #include "ompi_config.h" #include "opal/mca/event/event.h" #include "opal/util/output.h" #include "opal/util/show_help.h" #include "ompi/proc/proc.h" #include "mtl_psm2.h" #include "mtl_psm2_types.h" #include "mtl_psm2_request.h" #include "psm2.h" #include #include #include static int param_priority; static int ompi_mtl_psm2_component_open(void); static int ompi_mtl_psm2_component_close(void); static int ompi_mtl_psm2_component_query(mca_base_module_t **module, int *priority); static int ompi_mtl_psm2_component_register(void); static mca_mtl_base_module_t* ompi_mtl_psm2_component_init( bool enable_progress_threads, bool enable_mpi_threads ); mca_mtl_psm2_component_t mca_mtl_psm2_component = { { /* First, the mca_base_component_t struct containing meta * information about the component itself */ .mtl_version = { MCA_MTL_BASE_VERSION_2_0_0, .mca_component_name = "psm2", MCA_BASE_MAKE_VERSION(component, OMPI_MAJOR_VERSION, OMPI_MINOR_VERSION, OMPI_RELEASE_VERSION), .mca_open_component = ompi_mtl_psm2_component_open, .mca_close_component = ompi_mtl_psm2_component_close, .mca_query_component = ompi_mtl_psm2_component_query, .mca_register_component_params = ompi_mtl_psm2_component_register, }, .mtl_data = { /* The component is not checkpoint ready */ MCA_BASE_METADATA_PARAM_NONE }, .mtl_init = ompi_mtl_psm2_component_init, } }; static int ompi_mtl_psm2_component_register(void) { ompi_mtl_psm2.connect_timeout = 180; (void) mca_base_component_var_register(&mca_mtl_psm2_component.super.mtl_version, "connect_timeout", "PSM2 connection timeout value in seconds", MCA_BASE_VAR_TYPE_INT, NULL, 0, 0, OPAL_INFO_LVL_9, MCA_BASE_VAR_SCOPE_READONLY, &ompi_mtl_psm2.connect_timeout); /* set priority high enough to beat ob1's default (also set higher than psm) */ param_priority = 40; (void) mca_base_component_var_register (&mca_mtl_psm2_component.super.mtl_version, "priority", "Priority of the PSM2 MTL component", MCA_BASE_VAR_TYPE_INT, NULL, 0, 0, OPAL_INFO_LVL_9, MCA_BASE_VAR_SCOPE_READONLY, ¶m_priority); return OMPI_SUCCESS; } static int ompi_mtl_psm2_component_open(void) { struct stat st; /* Component available only if Omni-Path hardware is present */ if (0 == stat("/dev/hfi1", &st)) { return OMPI_SUCCESS; } else { return OPAL_ERR_NOT_AVAILABLE; } } static int ompi_mtl_psm2_component_query(mca_base_module_t **module, int *priority) { /* * if we get here it means that PSM2 is available so give high priority */ *priority = param_priority; *module = (mca_base_module_t *)&ompi_mtl_psm2.super; return OMPI_SUCCESS; } static int ompi_mtl_psm2_component_close(void) { return OMPI_SUCCESS; } static int get_num_total_procs(int *out_ntp) { *out_ntp = (int)ompi_process_info.num_procs; return OMPI_SUCCESS; } static int get_num_local_procs(int *out_nlp) { /* num_local_peers does not include us in * its calculation, so adjust for that */ *out_nlp = (int)(1 + ompi_process_info.num_local_peers); return OMPI_SUCCESS; } static int get_local_rank(int *out_rank) { ompi_node_rank_t my_node_rank; *out_rank = 0; if (OMPI_NODE_RANK_INVALID == (my_node_rank = ompi_process_info.my_node_rank)) { return OMPI_ERROR; } *out_rank = (int)my_node_rank; return OMPI_SUCCESS; } static mca_mtl_base_module_t * ompi_mtl_psm2_component_init(bool enable_progress_threads, bool enable_mpi_threads) { psm2_error_t err; int verno_major = PSM2_VERNO_MAJOR; int verno_minor = PSM2_VERNO_MINOR; int local_rank = -1, num_local_procs = 0; int num_total_procs = 0; /* Compute the total number of processes on this host and our local rank * on that node. We need to provide PSM2 with these values so it can * allocate hardware contexts appropriately across processes. */ if (OMPI_SUCCESS != get_num_local_procs(&num_local_procs)) { opal_output(0, "Cannot determine number of local processes. " "Cannot continue.\n"); return NULL; } if (OMPI_SUCCESS != get_local_rank(&local_rank)) { opal_output(0, "Cannot determine local rank. Cannot continue.\n"); return NULL; } if (OMPI_SUCCESS != get_num_total_procs(&num_total_procs)) { opal_output(0, "Cannot determine total number of processes. " "Cannot continue.\n"); return NULL; } err = psm2_error_register_handler(NULL /* no ep */, PSM2_ERRHANDLER_NOP); if (err) { opal_output(0, "Error in psm2_error_register_handler (error %s)\n", psm2_error_get_string(err)); return NULL; } if (num_local_procs == num_total_procs) { setenv("PSM2_DEVICES", "self,shm", 0); } err = psm2_init(&verno_major, &verno_minor); if (err) { opal_show_help("help-mtl-psm2.txt", "psm2 init", true, psm2_error_get_string(err)); return NULL; } /* Complete PSM2 initialization */ ompi_mtl_psm2_module_init(local_rank, num_local_procs); ompi_mtl_psm2.super.mtl_request_size = sizeof(mca_mtl_psm2_request_t) - sizeof(struct mca_mtl_request_t); return &ompi_mtl_psm2.super; }