482 строки
19 KiB
C
482 строки
19 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
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/*
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* Copyright (c) 2011-2013 Los Alamos National Security, LLC. All rights
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* reserved.
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* Copyright (c) 2011 UT-Battelle, LLC. All rights reserved.
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* Copyright (c) 2014 Intel, Inc. 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 "opal_config.h"
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#include "btl_ugni.h"
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#include "btl_ugni_frag.h"
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#include "btl_ugni_smsg.h"
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#include "opal/include/opal/align.h"
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#include "opal/mca/dstore/dstore.h"
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#define INITIAL_GNI_EPS 10000
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static int
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mca_btl_ugni_setup_mpools (mca_btl_ugni_module_t *ugni_module);
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static void
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mca_btl_ugni_module_set_max_reg (mca_btl_ugni_module_t *ugni_module, int nlocal_procs);
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static int mca_btl_ugni_smsg_setup (int nprocs);
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int mca_btl_ugni_add_procs(struct mca_btl_base_module_t* btl,
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size_t nprocs,
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struct opal_proc_t **procs,
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struct mca_btl_base_endpoint_t **peers,
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opal_bitmap_t *reachable) {
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mca_btl_ugni_module_t *ugni_module = (mca_btl_ugni_module_t *) btl;
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size_t i;
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int rc;
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if (false == ugni_module->initialized) {
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/* TODO: need to think of something more elegant than this max array */
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rc = opal_pointer_array_init (&ugni_module->endpoints, INITIAL_GNI_EPS, 1 << 24, 512);
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if (OPAL_SUCCESS != rc) {
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BTL_ERROR(("error inializing the endpoint array. rc = %d", rc));
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return rc;
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}
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/* NTH: might want to vary this size based off the universe size (if
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* one exists). the table is only used for connection lookup and
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* endpoint removal. */
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rc = opal_hash_table_init (&ugni_module->id_to_endpoint, 512);
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if (OPAL_SUCCESS != rc) {
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BTL_ERROR(("error initializing the endpoint hash. rc = %d", rc));
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return rc;
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}
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}
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for (i = 0 ; i < nprocs ; ++i) {
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struct opal_proc_t *ompi_proc = procs[i];
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uint64_t proc_id = mca_btl_ugni_proc_name_to_id(ompi_proc->proc_name);
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if (OPAL_PROC_ON_LOCAL_NODE(ompi_proc->proc_flags)) {
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ugni_module->nlocal_procs++;
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/* ugni is allowed on local processes to provide support for network
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* atomic operations */
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}
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/* Create and Init endpoints */
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rc = mca_btl_ugni_init_ep (ugni_module, peers + i, (mca_btl_ugni_module_t *) btl, ompi_proc);
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if (OPAL_UNLIKELY(OPAL_SUCCESS != rc)) {
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BTL_ERROR(("btl/ugni error initializing endpoint"));
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return rc;
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}
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/* Add this endpoint to the pointer array. */
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BTL_VERBOSE(("initialized uGNI endpoint for proc id: 0x%" PRIx64 " ptr: %p", proc_id, (void *) peers[i]));
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opal_hash_table_set_value_uint64 (&ugni_module->id_to_endpoint, proc_id, peers[i]);
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/* Set the reachable bit */
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rc = opal_bitmap_set_bit (reachable, i);
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++ugni_module->endpoint_count;
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}
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mca_btl_ugni_module_set_max_reg (ugni_module, ugni_module->nlocal_procs);
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if (false == ugni_module->initialized) {
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OPAL_THREAD_LOCK(&ugni_module->device->dev_lock);
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rc = GNI_CqCreate (ugni_module->device->dev_handle, mca_btl_ugni_component.local_cq_size,
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0, GNI_CQ_NOBLOCK, NULL, NULL, &ugni_module->rdma_local_cq);
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OPAL_THREAD_UNLOCK(&ugni_module->device->dev_lock);
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if (GNI_RC_SUCCESS != rc) {
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BTL_ERROR(("error creating local BTE/FMA CQ"));
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return opal_common_rc_ugni_to_opal (rc);
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}
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OPAL_THREAD_LOCK(&ugni_module->device->dev_lock);
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rc = GNI_CqCreate (ugni_module->device->dev_handle, mca_btl_ugni_component.local_cq_size,
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0, GNI_CQ_NOBLOCK, NULL, NULL, &ugni_module->smsg_local_cq);
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OPAL_THREAD_UNLOCK(&ugni_module->device->dev_lock);
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if (GNI_RC_SUCCESS != rc) {
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BTL_ERROR(("error creating local SMSG CQ"));
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return opal_common_rc_ugni_to_opal (rc);
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}
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OPAL_THREAD_LOCK(&ugni_module->device->dev_lock);
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rc = GNI_CqCreate (ugni_module->device->dev_handle, mca_btl_ugni_component.remote_cq_size,
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0, GNI_CQ_NOBLOCK, NULL, NULL, &ugni_module->smsg_remote_cq);
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OPAL_THREAD_UNLOCK(&ugni_module->device->dev_lock);
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if (GNI_RC_SUCCESS != rc) {
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BTL_ERROR(("error creating remote SMSG CQ"));
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return opal_common_rc_ugni_to_opal (rc);
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}
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rc = mca_btl_ugni_setup_mpools (ugni_module);
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if (OPAL_UNLIKELY(OPAL_SUCCESS != rc)) {
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BTL_ERROR(("btl/ugni error setting up mpools/free lists"));
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return rc;
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}
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rc = mca_btl_ugni_smsg_init (ugni_module);
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if (OPAL_UNLIKELY(OPAL_SUCCESS != rc)) {
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BTL_ERROR(("btl/ugni error initializing SMSG"));
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return rc;
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}
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ugni_module->initialized = true;
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}
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return OPAL_SUCCESS;
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}
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int mca_btl_ugni_del_procs (struct mca_btl_base_module_t *btl,
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size_t nprocs, struct opal_proc_t **procs,
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struct mca_btl_base_endpoint_t **peers) {
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mca_btl_ugni_module_t *ugni_module = (mca_btl_ugni_module_t *) btl;
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size_t i;
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int rc;
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while (ugni_module->active_send_count) {
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/* ensure all sends are complete before removing and procs */
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rc = mca_btl_ugni_progress_local_smsg (ugni_module);
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if (OPAL_SUCCESS != rc) {
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break;
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}
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}
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for (i = 0 ; i < nprocs ; ++i) {
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struct opal_proc_t *ompi_proc = procs[i];
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uint64_t proc_id = mca_btl_ugni_proc_name_to_id(ompi_proc->proc_name);
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mca_btl_base_endpoint_t *ep = NULL;
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/* lookup this proc in the hash table */
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(void) opal_hash_table_get_value_uint64 (&ugni_module->id_to_endpoint, proc_id, (void **) &ep);
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BTL_VERBOSE(("deleting endpoint with proc id 0x%" PRIx64 ", ptr: %p", proc_id, (void *) ep));
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if (NULL != ep) {
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mca_btl_ugni_release_ep (ep);
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--ugni_module->endpoint_count;
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}
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/* remote the endpoint from the hash table */
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opal_hash_table_set_value_uint64 (&ugni_module->id_to_endpoint, proc_id, NULL);
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}
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return OPAL_SUCCESS;
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}
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static int ugni_reg_rdma_mem (void *reg_data, void *base, size_t size,
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mca_mpool_base_registration_t *reg)
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{
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mca_btl_ugni_module_t *ugni_module = (mca_btl_ugni_module_t *) reg_data;
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mca_btl_ugni_reg_t *ugni_reg = (mca_btl_ugni_reg_t *) reg;
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gni_return_t rc;
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if (ugni_module->reg_count >= ugni_module->reg_max) {
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return OPAL_ERR_OUT_OF_RESOURCE;
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}
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OPAL_THREAD_LOCK(&ugni_module->device->dev_lock);
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rc = GNI_MemRegister (ugni_module->device->dev_handle, (uint64_t) base,
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size, NULL, GNI_MEM_READWRITE | GNI_MEM_RELAXED_PI_ORDERING,
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-1, &(ugni_reg->handle.gni_handle));
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OPAL_THREAD_UNLOCK(&ugni_module->device->dev_lock);
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if (OPAL_UNLIKELY(GNI_RC_SUCCESS != rc)) {
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return OPAL_ERR_OUT_OF_RESOURCE;
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}
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opal_atomic_add_32(&ugni_module->reg_count,1);
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return OPAL_SUCCESS;
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}
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static int ugni_reg_smsg_mem (void *reg_data, void *base, size_t size,
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mca_mpool_base_registration_t *reg)
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{
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mca_btl_ugni_module_t *ugni_module = (mca_btl_ugni_module_t *) reg_data;
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mca_btl_ugni_reg_t *ugni_reg = (mca_btl_ugni_reg_t *) reg;
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gni_return_t rc;
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OPAL_THREAD_LOCK(&ugni_module->device->dev_lock);
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rc = GNI_MemRegister (ugni_module->device->dev_handle, (uint64_t) base,
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size, ugni_module->smsg_remote_cq, GNI_MEM_READWRITE, -1,
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&(ugni_reg->handle.gni_handle));
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OPAL_THREAD_UNLOCK(&ugni_module->device->dev_lock);
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return opal_common_rc_ugni_to_opal (rc);
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}
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static int
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ugni_dereg_mem (void *reg_data, mca_mpool_base_registration_t *reg)
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{
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mca_btl_ugni_module_t *ugni_module = (mca_btl_ugni_module_t *) reg_data;
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mca_btl_ugni_reg_t *ugni_reg = (mca_btl_ugni_reg_t *)reg;
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gni_return_t rc;
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OPAL_THREAD_LOCK(&ugni_module->device->dev_lock);
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rc = GNI_MemDeregister (ugni_module->device->dev_handle, &ugni_reg->handle.gni_handle);
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OPAL_THREAD_UNLOCK(&ugni_module->device->dev_lock);
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if (GNI_RC_SUCCESS != rc) {
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return OPAL_ERROR;
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}
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opal_atomic_add_32(&ugni_module->reg_count,-1);
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return OPAL_SUCCESS;
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}
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static int
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mca_btl_ugni_setup_mpools (mca_btl_ugni_module_t *ugni_module)
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{
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struct mca_mpool_base_resources_t mpool_resources;
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unsigned int mbox_increment, nprocs;
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const char *mpool_name;
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int rc;
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opal_list_t vals;
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opal_value_t *kv;
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rc = opal_pointer_array_init (&ugni_module->pending_smsg_frags_bb, 0,
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1 << 30, 32768);
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if (OPAL_SUCCESS != rc) {
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return rc;
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}
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/* determine how many procs are in the job (might want to check universe size here) */
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OBJ_CONSTRUCT(&vals, opal_list_t);
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if (OPAL_SUCCESS == opal_dstore.fetch(opal_dstore_internal, &OPAL_PROC_MY_NAME,
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OPAL_DSTORE_UNIV_SIZE, &vals)) {
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/* the number of procs in the job is in the uint32 field */
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kv = (opal_value_t*)opal_list_get_first(&vals);
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nprocs = kv->data.uint32;
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} else {
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nprocs = 512;
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}
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OPAL_LIST_DESTRUCT(&vals);
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rc = mca_btl_ugni_smsg_setup (nprocs);
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if (OPAL_UNLIKELY(OPAL_SUCCESS != rc)) {
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BTL_ERROR(("error setting up smsg"));
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return rc;
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}
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rc = ompi_free_list_init_ex_new (&ugni_module->smsg_frags,
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sizeof (mca_btl_ugni_smsg_frag_t),
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opal_cache_line_size, OBJ_CLASS(mca_btl_ugni_smsg_frag_t),
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mca_btl_ugni_component.ugni_smsg_limit,
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opal_cache_line_size,
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mca_btl_ugni_component.ugni_free_list_num,
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mca_btl_ugni_component.ugni_free_list_max,
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mca_btl_ugni_component.ugni_free_list_inc,
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NULL, (ompi_free_list_item_init_fn_t) mca_btl_ugni_frag_init,
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(void *) ugni_module);
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if (OPAL_UNLIKELY(OPAL_SUCCESS != rc)) {
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BTL_ERROR(("error creating smsg fragment free list"));
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return rc;
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}
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rc = ompi_free_list_init_ex_new (&ugni_module->rdma_frags,
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sizeof (mca_btl_ugni_rdma_frag_t), 64,
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OBJ_CLASS(mca_btl_ugni_rdma_frag_t),
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0, opal_cache_line_size,
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mca_btl_ugni_component.ugni_free_list_num,
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mca_btl_ugni_component.ugni_free_list_max,
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mca_btl_ugni_component.ugni_free_list_inc,
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NULL, (ompi_free_list_item_init_fn_t) mca_btl_ugni_frag_init,
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(void *) ugni_module);
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if (OPAL_UNLIKELY(OPAL_SUCCESS != rc)) {
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return rc;
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}
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rc = ompi_free_list_init_ex_new (&ugni_module->rdma_int_frags,
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sizeof (mca_btl_ugni_rdma_frag_t), 8,
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OBJ_CLASS(mca_btl_ugni_rdma_frag_t),
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0, opal_cache_line_size, 0, -1, 64,
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NULL, (ompi_free_list_item_init_fn_t) mca_btl_ugni_frag_init,
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(void *) ugni_module);
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if (OPAL_UNLIKELY(OPAL_SUCCESS != rc)) {
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return rc;
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}
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mpool_resources.pool_name = "ompi.ugni";
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mpool_resources.reg_data = (void *) ugni_module;
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mpool_resources.sizeof_reg = sizeof (mca_btl_ugni_reg_t);
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mpool_resources.register_mem = ugni_reg_rdma_mem;
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mpool_resources.deregister_mem = ugni_dereg_mem;
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if (MCA_BTL_UGNI_MPOOL_UDREG == mca_btl_ugni_component.mpool_type) {
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/* additional settings for the udreg mpool */
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/* 4k should be large enough for any Gemini/Ares system */
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mpool_resources.max_entries = 4096;
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mpool_resources.use_kernel_cache = true;
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/* request a specific page size. this request may not be honored if the
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* page size does not exist. */
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mpool_resources.page_size = mca_btl_ugni_component.smsg_page_size;
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mpool_resources.use_evict_w_unreg = false;
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mpool_name = "udreg";
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} else {
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mpool_name = "grdma";
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}
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ugni_module->super.btl_mpool =
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mca_mpool_base_module_create(mpool_name, ugni_module->device, &mpool_resources);
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mpool_resources.register_mem = ugni_reg_smsg_mem;
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ugni_module->smsg_mpool =
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mca_mpool_base_module_create(mpool_name, ugni_module->device, &mpool_resources);
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if (NULL == ugni_module->super.btl_mpool) {
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BTL_ERROR(("error creating rdma mpool"));
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return OPAL_ERROR;
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}
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if (NULL == ugni_module->smsg_mpool) {
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BTL_ERROR(("error creating smsg mpool"));
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return OPAL_ERROR;
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}
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rc = ompi_free_list_init_ex_new (&ugni_module->eager_frags_send,
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sizeof (mca_btl_ugni_eager_frag_t), 8,
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OBJ_CLASS(mca_btl_ugni_eager_frag_t),
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ugni_module->super.btl_eager_limit, 64,
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mca_btl_ugni_component.ugni_eager_num,
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mca_btl_ugni_component.ugni_eager_max,
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mca_btl_ugni_component.ugni_eager_inc,
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ugni_module->super.btl_mpool,
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(ompi_free_list_item_init_fn_t) mca_btl_ugni_frag_init,
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(void *) ugni_module);
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if (OPAL_UNLIKELY(OPAL_SUCCESS != rc)) {
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BTL_ERROR(("error creating eager send fragment free list"));
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return rc;
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}
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rc = ompi_free_list_init_ex_new (&ugni_module->eager_frags_recv,
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sizeof (mca_btl_ugni_eager_frag_t), 8,
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OBJ_CLASS(mca_btl_ugni_eager_frag_t),
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ugni_module->super.btl_eager_limit, 64,
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mca_btl_ugni_component.ugni_eager_num,
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mca_btl_ugni_component.ugni_eager_max,
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mca_btl_ugni_component.ugni_eager_inc,
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ugni_module->super.btl_mpool,
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(ompi_free_list_item_init_fn_t) mca_btl_ugni_frag_init,
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(void *) ugni_module);
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if (OPAL_UNLIKELY(OPAL_SUCCESS != rc)) {
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BTL_ERROR(("error creating eager receive fragment free list"));
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return rc;
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}
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if (0 == mca_btl_ugni_component.mbox_increment) {
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/* limit mailbox allocations to either 12.5% of available registrations
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or 2MiB per allocation */
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mbox_increment = (unsigned int) (2097152.0 / (float)mca_btl_ugni_component.smsg_mbox_size);
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/* we may end up using more */
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if (nprocs/mbox_increment > (unsigned int) ugni_module->reg_max / 8) {
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mbox_increment = nprocs / (ugni_module->reg_max >> 3);
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}
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} else {
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mbox_increment = mca_btl_ugni_component.mbox_increment;
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}
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rc = ompi_free_list_init_new (&ugni_module->smsg_mboxes,
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sizeof (mca_btl_ugni_smsg_mbox_t), 8,
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OBJ_CLASS(mca_btl_ugni_smsg_mbox_t),
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mca_btl_ugni_component.smsg_mbox_size, 128,
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32, -1, mbox_increment,
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ugni_module->smsg_mpool);
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if (OPAL_UNLIKELY(OPAL_SUCCESS != rc)) {
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BTL_ERROR(("error creating smsg mailbox free list"));
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return rc;
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}
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rc = ompi_free_list_init_new (&ugni_module->post_descriptors,
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sizeof (mca_btl_ugni_post_descriptor_t),
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8, OBJ_CLASS(mca_btl_ugni_post_descriptor_t),
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0, 0, 0, -1, 256, NULL);
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if (OPAL_UNLIKELY(OPAL_SUCCESS != rc)) {
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BTL_ERROR(("error creating post descriptor free list"));
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return rc;
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}
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return OPAL_SUCCESS;
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}
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static void
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mca_btl_ugni_module_set_max_reg (mca_btl_ugni_module_t *ugni_module, int nlocal_procs)
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{
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if (0 == mca_btl_ugni_component.max_mem_reg) {
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#if defined(HAVE_GNI_GETJOBRESINFO)
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gni_job_res_desc_t res_des;
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gni_return_t grc;
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int fuzz = 20;
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grc = GNI_GetJobResInfo (ugni_module->device->dev_id, opal_common_ugni_module.ptag,
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GNI_JOB_RES_MDD, &res_des);
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if (GNI_RC_SUCCESS == grc) {
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ugni_module->reg_max = (res_des.limit - fuzz) / nlocal_procs;
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}
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#else
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/* no way to determine the maximum registration count */
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ugni_module->reg_max = 1200 / nlocal_procs;
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#endif
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} else if (-1 == mca_btl_ugni_component.max_mem_reg) {
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ugni_module->reg_max = INT_MAX;
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} else {
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ugni_module->reg_max = mca_btl_ugni_component.max_mem_reg;
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}
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ugni_module->reg_count = 0;
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}
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static int mca_btl_ugni_smsg_setup (int nprocs)
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{
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gni_smsg_attr_t tmp_smsg_attrib;
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unsigned int mbox_size;
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gni_return_t grc;
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if (0 == mca_btl_ugni_component.ugni_smsg_limit) {
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/* auto-set the smsg limit based on the number of ranks */
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if (nprocs <= 512) {
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mca_btl_ugni_component.ugni_smsg_limit = 8192;
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} else if (nprocs <= 1024) {
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mca_btl_ugni_component.ugni_smsg_limit = 2048;
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} else if (nprocs <= 8192) {
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mca_btl_ugni_component.ugni_smsg_limit = 1024;
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} else if (nprocs <= 16384) {
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mca_btl_ugni_component.ugni_smsg_limit = 512;
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} else {
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mca_btl_ugni_component.ugni_smsg_limit = 256;
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}
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}
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mca_btl_ugni_component.smsg_max_data = mca_btl_ugni_component.ugni_smsg_limit -
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sizeof (mca_btl_ugni_send_frag_hdr_t);
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if (mca_btl_ugni_component.ugni_smsg_limit == mca_btl_ugni_module.super.btl_eager_limit) {
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mca_btl_ugni_module.super.btl_eager_limit = mca_btl_ugni_component.smsg_max_data;
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}
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/* calculate mailbox size */
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tmp_smsg_attrib.msg_type = GNI_SMSG_TYPE_MBOX_AUTO_RETRANSMIT;
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tmp_smsg_attrib.msg_maxsize = mca_btl_ugni_component.ugni_smsg_limit;
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tmp_smsg_attrib.mbox_maxcredit = mca_btl_ugni_component.smsg_max_credits;
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grc = GNI_SmsgBufferSizeNeeded (&tmp_smsg_attrib, &mbox_size);
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if (OPAL_UNLIKELY(GNI_RC_SUCCESS != grc)) {
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BTL_ERROR(("error in GNI_SmsgBufferSizeNeeded"));
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return opal_common_rc_ugni_to_opal (grc);
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}
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mca_btl_ugni_component.smsg_mbox_size = OPAL_ALIGN(mbox_size, 64, unsigned int);
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return OPAL_SUCCESS;
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}
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