2007-07-06 03:42:54 +04:00
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/*
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* Copyright (c) 2004-2005 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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2008-02-18 20:39:30 +03:00
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* Copyright (c) 2004-2008 The University of Tennessee and The University
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2007-07-06 03:42:54 +04:00
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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 Sandia National Laboratories. All rights
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* 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 <errno.h>
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#include <string.h>
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#include <infiniband/verbs.h>
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#include "ompi_config.h"
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#include "ompi/constants.h"
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#include "opal/prefetch.h"
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#include "opal/util/output.h"
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#include "ompi/mca/btl/btl.h"
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#include "opal/sys/timer.h"
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#include "opal/mca/base/mca_base_param.h"
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#include "orte/mca/errmgr/errmgr.h"
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#include "ompi/mca/btl/base/base.h"
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#include "ompi/mca/mpool/rdma/mpool_rdma.h"
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2007-07-09 21:16:34 +04:00
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#include "ompi/runtime/ompi_module_exchange.h"
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2007-07-06 03:42:54 +04:00
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2008-02-28 04:57:57 +03:00
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#include "orte/runtime/orte_globals.h"
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2007-07-06 03:42:54 +04:00
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#include "btl_ofud.h"
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#include "btl_ofud_frag.h"
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#include "btl_ofud_endpoint.h"
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mca_btl_ud_component_t mca_btl_ofud_component = {
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{
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/* First, the mca_base_component_t struct containing meta information
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about the component itself */
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{
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/* Indicate that we are a pml v1.0.0 component (which also implies a
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specific MCA version) */
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MCA_BTL_BASE_VERSION_1_0_1,
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"ofud", /* 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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mca_btl_ud_component_open, /* component open */
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mca_btl_ud_component_close /* component close */
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},
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/* Next the MCA v1.0.0 component meta data */
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{
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2007-07-13 18:39:17 +04:00
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/* The component is not checkpoint ready */
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MCA_BASE_METADATA_PARAM_NONE
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2007-07-06 03:42:54 +04:00
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},
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mca_btl_ud_component_init,
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mca_btl_ud_component_progress,
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}
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};
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/*
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* Profiling information
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*/
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#if MCA_BTL_UD_ENABLE_PROFILE
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mca_btl_ud_profile_t mca_btl_ud_profile = {0};
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#endif
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/*
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* utility routines for parameter registration
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*/
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static inline void mca_btl_ud_param_reg_string(const char* param_name,
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const char* param_desc,
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const char* default_value,
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char** out_value)
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{
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mca_base_param_reg_string(&mca_btl_ofud_component.super.btl_version,
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param_name, param_desc, false, false,
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default_value, out_value);
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}
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static inline void mca_btl_ud_param_reg_int(const char* param_name,
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const char* param_desc,
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int default_value,
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int* out_value)
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{
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mca_base_param_reg_int(&mca_btl_ofud_component.super.btl_version,
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param_name, param_desc, false, false,
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default_value, out_value);
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}
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/*
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* Called by MCA framework to open the component, registers
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* component parameters.
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*/
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int mca_btl_ud_component_open(void)
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{
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int val;
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/* initialize state */
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mca_btl_ofud_component.num_btls = 0;
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mca_btl_ofud_component.ud_btls = NULL;
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/* initialize objects */
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OBJ_CONSTRUCT(&mca_btl_ofud_component.ud_lock, opal_mutex_t);
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OBJ_CONSTRUCT(&mca_btl_ofud_component.ud_procs, opal_list_t);
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/* register IB component parameters */
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mca_btl_ud_param_reg_int("max_btls",
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"Maximum number of HCAs/ports to use",
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4, (int*)&mca_btl_ofud_component.max_btls);
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mca_btl_ud_param_reg_string("mpool", "Name of the memory pool to be used",
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"rdma", &mca_btl_ofud_component.ud_mpool_name);
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mca_btl_ud_param_reg_int("ib_pkey_index", "IB pkey index",
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0, (int*)&mca_btl_ofud_component.ib_pkey_ix);
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mca_btl_ud_param_reg_int("ib_qkey", "IB qkey",
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0x01330133, (int*)&mca_btl_ofud_component.ib_qkey);
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mca_btl_ud_param_reg_int("ib_service_level", "IB service level",
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0, (int*)&mca_btl_ofud_component.ib_service_level);
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mca_btl_ud_param_reg_int("ib_src_path_bits", "IB source path bits",
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0, (int*)&mca_btl_ofud_component.ib_src_path_bits);
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mca_btl_ud_param_reg_int("sd_num", "maximum send descriptors to post",
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128, (int*)&mca_btl_ofud_component.sd_num);
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2007-10-30 01:56:30 +03:00
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mca_btl_ud_param_reg_int("rd_num", "number of receive buffers",
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2007-07-06 03:42:54 +04:00
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6000, (int*)&mca_btl_ofud_component.rd_num);
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#if 0
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mca_btl_ud_param_reg_int("rd_num_init", "initial receive buffers",
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3000, (int*)&mca_btl_ofud_component.rd_num_init);
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mca_btl_ud_param_reg_int("rd_num_max", "maximum receive buffers",
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4500, (int*)&mca_btl_ofud_component.rd_num_max);
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mca_btl_ud_param_reg_int("rd_num_inc",
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"number of buffers to post when rate is high",
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25, (int*)&mca_btl_ofud_component.rd_num_inc);
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#endif
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/* TODO - this assumes a 2k UD MTU - query/do something more intelligent */
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/*mca_btl_ud_param_reg_int("eager_limit", "eager send limit",
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2048, &val); */
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mca_btl_ud_param_reg_int("min_send_size", "minimum send size",
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2048, &val);
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2007-12-16 11:35:17 +03:00
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mca_btl_ofud_module.super.btl_rndv_eager_limit = val;
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2007-07-06 03:42:54 +04:00
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mca_btl_ud_param_reg_int("max_send_size", "maximum send size",
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2048, &val);
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mca_btl_ofud_module.super.btl_eager_limit = val;
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mca_btl_ofud_module.super.btl_max_send_size = val;
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mca_btl_ud_param_reg_int("exclusivity", "BTL exclusivity",
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MCA_BTL_EXCLUSIVITY_DEFAULT,
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(int*)&mca_btl_ofud_module.super.btl_exclusivity);
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mca_btl_ud_param_reg_int("bandwidth",
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"Approximate maximum bandwidth of interconnect",
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800, (int*)&mca_btl_ofud_module.super.btl_bandwidth);
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mca_btl_ofud_module.super.btl_eager_limit -= sizeof(mca_btl_ud_header_t);
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mca_btl_ofud_module.super.btl_max_send_size -= sizeof(mca_btl_ud_header_t);
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return OMPI_SUCCESS;
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}
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/*
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* Component cleanup
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*/
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int mca_btl_ud_component_close(void)
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{
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OBJ_DESTRUCT(&mca_btl_ofud_component.ud_lock);
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OBJ_DESTRUCT(&mca_btl_ofud_component.ud_procs);
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/* Calculate and print profiling numbers */
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MCA_BTL_UD_SHOW_TIME(post_send);
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MCA_BTL_UD_SHOW_TIME(ibv_post_send);
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return OMPI_SUCCESS;
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}
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/*
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* Register UD address information. The MCA framework
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* will make this available to all peers.
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*/
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static int mca_btl_ud_modex_send(void)
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{
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int rc;
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size_t i;
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size_t size;
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mca_btl_ud_addr_t* addrs = NULL;
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size = mca_btl_ofud_component.num_btls * sizeof(mca_btl_ud_addr_t);
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if(size != 0) {
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addrs = (mca_btl_ud_addr_t*)malloc(size);
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if(NULL == addrs) {
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return OMPI_ERR_OUT_OF_RESOURCE;
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}
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for(i = 0; i < mca_btl_ofud_component.num_btls; i++) {
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mca_btl_ud_module_t* btl = &mca_btl_ofud_component.ud_btls[i];
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addrs[i] = btl->addr;
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BTL_VERBOSE((0, "modex_send QP num %x, LID = %x",
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addrs[i].qp_num, addrs[i].lid));
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}
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}
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2007-07-09 21:16:34 +04:00
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rc = ompi_modex_send(
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2007-07-06 03:42:54 +04:00
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&mca_btl_ofud_component.super.btl_version, addrs, size);
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if(NULL != addrs) {
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free(addrs);
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}
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return rc;
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}
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/*
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* UD component initialization:
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* (1) read interface list from kernel and compare against component parameters
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* then create a BTL instance for selected interfaces
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* (2) post OOB receive for incoming connection attempts
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* (3) register BTL parameters with the MCA
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*/
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mca_btl_base_module_t** mca_btl_ud_component_init(int* num_btl_modules,
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bool enable_progress_threads,
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bool enable_mpi_threads)
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{
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struct ibv_device **ib_devs;
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struct ibv_device* ib_dev;
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int32_t num_devs;
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mca_btl_base_module_t** btls;
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uint32_t i, j;
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opal_list_t btl_list;
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mca_btl_ud_module_t* ud_btl;
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mca_btl_base_selected_module_t* ib_selected;
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opal_list_item_t* item;
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unsigned short seedv[3];
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char* btl_str;
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char* tok;
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/* First, check if the UD BTL was specifically selected.
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If not, then short out right away. */
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mca_base_param_lookup_string(
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mca_base_param_find("btl", NULL, NULL), &btl_str);
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2007-10-03 00:37:16 +04:00
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if(NULL == btl_str || '^' == btl_str[0]) {
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/* No string at all, or an exclusion string, bail out */
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2007-07-06 03:42:54 +04:00
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return NULL;
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}
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2007-10-03 00:37:16 +04:00
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/* Try to find a 'ofud' token */
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2007-07-06 03:42:54 +04:00
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tok = strtok(btl_str, ",");
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while(tok) {
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if(!strcasecmp("ofud", tok)) {
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break;
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}
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}
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if(NULL == tok) {
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2007-10-03 00:37:16 +04:00
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/* No valid 'ofud' token found; bail out */
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2007-07-06 03:42:54 +04:00
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return NULL;
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}
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/* initialization */
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*num_btl_modules = 0;
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num_devs = 0;
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2008-02-28 04:57:57 +03:00
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seedv[0] = ORTE_PROC_MY_NAME->vpid;
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2007-07-06 03:42:54 +04:00
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seedv[1] = opal_sys_timer_get_cycles();
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seedv[2] = opal_sys_timer_get_cycles();
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seed48(seedv);
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ib_devs = ibv_get_device_list(&num_devs);
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if(0 == num_devs) {
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mca_btl_base_error_no_nics("OpenFabrics UD", "HCA");
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mca_btl_ud_modex_send();
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return NULL;
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}
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/** We must loop through all the hca id's, get their handles and
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for each hca we query the number of ports on the hca and set up
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a distinct btl module for each hca port */
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OBJ_CONSTRUCT(&btl_list, opal_list_t);
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for(i = 0; (int32_t)i < num_devs &&
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mca_btl_ofud_component.num_btls < mca_btl_ofud_component.max_btls;
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i++) {
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struct ibv_device_attr ib_dev_attr;
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struct ibv_context* ib_dev_context;
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ib_dev = ib_devs[i];
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ib_dev_context = ibv_open_device(ib_dev);
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if(!ib_dev_context) {
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BTL_ERROR(("error obtaining device context for %s: %s\n",
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ibv_get_device_name(ib_dev), strerror(errno)));
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return NULL;
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}
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if(ibv_query_device(ib_dev_context, &ib_dev_attr)){
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BTL_ERROR(("error obtaining device attributes for %s: %s\n",
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ibv_get_device_name(ib_dev), strerror(errno)));
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return NULL;
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}
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/* Note ports are 1 based hence j = 1 */
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for(j = 1; j <= ib_dev_attr.phys_port_cnt; j++) {
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struct ibv_port_attr ib_port_attr;
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if(ibv_query_port(ib_dev_context, (uint8_t)j, &ib_port_attr)) {
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BTL_ERROR(("error getting port attributes for device %s port %d: %s",
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ibv_get_device_name(ib_dev), j, strerror(errno)));
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
if(IBV_PORT_ACTIVE == ib_port_attr.state) {
|
|
|
|
ud_btl =
|
|
|
|
(mca_btl_ud_module_t*)malloc(sizeof(mca_btl_ud_module_t));
|
|
|
|
memcpy(ud_btl, &mca_btl_ofud_module, sizeof(mca_btl_ud_module_t));
|
|
|
|
|
|
|
|
ib_selected = OBJ_NEW(mca_btl_base_selected_module_t);
|
|
|
|
ib_selected->btl_module = (mca_btl_base_module_t*)ud_btl;
|
|
|
|
|
|
|
|
ud_btl->ib_dev = ib_dev;
|
|
|
|
ud_btl->ib_dev_context = ib_dev_context;
|
|
|
|
ud_btl->ib_port_num = (uint8_t)j;
|
|
|
|
ud_btl->addr.subnet = ib_port_attr.sm_lid;
|
|
|
|
ud_btl->addr.lid = ib_port_attr.lid;
|
|
|
|
|
|
|
|
opal_list_append(&btl_list, (opal_list_item_t*) ib_selected);
|
|
|
|
if(++mca_btl_ofud_component.num_btls >=
|
|
|
|
mca_btl_ofud_component.max_btls)
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* Allocate space for btl modules */
|
|
|
|
mca_btl_ofud_component.ud_btls = (mca_btl_ud_module_t*)
|
|
|
|
malloc(sizeof(mca_btl_ud_module_t) * mca_btl_ofud_component.num_btls);
|
|
|
|
if(NULL == mca_btl_ofud_component.ud_btls) {
|
|
|
|
ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
btls = (struct mca_btl_base_module_t**)
|
|
|
|
malloc(mca_btl_ofud_component.num_btls * sizeof(mca_btl_ud_module_t*));
|
|
|
|
if(NULL == btls) {
|
|
|
|
ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
for(i = 0; i < mca_btl_ofud_component.num_btls; i++){
|
|
|
|
item = opal_list_remove_first(&btl_list);
|
|
|
|
ib_selected = (mca_btl_base_selected_module_t*)item;
|
|
|
|
ud_btl = (mca_btl_ud_module_t*)ib_selected->btl_module;
|
|
|
|
|
|
|
|
memcpy(&(mca_btl_ofud_component.ud_btls[i]),
|
|
|
|
ud_btl, sizeof(mca_btl_ud_module_t));
|
|
|
|
free(ib_selected);
|
|
|
|
free(ud_btl);
|
|
|
|
|
|
|
|
ud_btl = &mca_btl_ofud_component.ud_btls[i];
|
|
|
|
|
|
|
|
/* Initialize module state */
|
|
|
|
if(mca_btl_ud_module_init(ud_btl) != OMPI_SUCCESS) {
|
|
|
|
mca_btl_ofud_component.num_btls--;
|
|
|
|
i--;
|
|
|
|
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
btls[i] = &ud_btl->super;
|
|
|
|
}
|
|
|
|
|
|
|
|
OBJ_DESTRUCT(&btl_list);
|
|
|
|
mca_btl_ud_modex_send();
|
|
|
|
|
|
|
|
/* Since not all modules may have initialized successfully, realloc
|
|
|
|
to free space from failed modules */
|
|
|
|
mca_btl_ofud_component.ud_btls = (mca_btl_ud_module_t*)
|
|
|
|
realloc(mca_btl_ofud_component.ud_btls,
|
|
|
|
sizeof(mca_btl_ud_module_t) * mca_btl_ofud_component.num_btls);
|
|
|
|
btls = (struct mca_btl_base_module_t**)realloc(btls,
|
|
|
|
mca_btl_ofud_component.num_btls * sizeof(mca_btl_ud_module_t*));
|
|
|
|
|
|
|
|
*num_btl_modules = mca_btl_ofud_component.num_btls;
|
|
|
|
|
|
|
|
ibv_free_device_list(ib_devs);
|
|
|
|
return btls;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
* IB component progress.
|
|
|
|
*/
|
|
|
|
|
|
|
|
#define MCA_BTL_UD_NUM_WC 500
|
|
|
|
|
|
|
|
int mca_btl_ud_component_progress(void)
|
|
|
|
{
|
|
|
|
uint32_t i;
|
2008-02-18 20:39:30 +03:00
|
|
|
int count = 0, ne, j, btl_ownership;
|
2007-07-06 03:42:54 +04:00
|
|
|
mca_btl_ud_frag_t* frag;
|
|
|
|
struct ibv_recv_wr* bad_wr;
|
|
|
|
struct ibv_recv_wr* head_wr;
|
|
|
|
mca_btl_ud_module_t* ud_btl;
|
2008-01-15 08:32:53 +03:00
|
|
|
mca_btl_active_message_callback_t* reg;
|
2007-07-06 03:42:54 +04:00
|
|
|
struct ibv_wc* cwc;
|
|
|
|
struct ibv_wc wc[MCA_BTL_UD_NUM_WC];
|
|
|
|
|
|
|
|
/* Poll for completions */
|
|
|
|
for(i = 0; i < mca_btl_ofud_component.num_btls; i++) {
|
|
|
|
ud_btl = &mca_btl_ofud_component.ud_btls[i];
|
|
|
|
|
|
|
|
ne = ibv_poll_cq(ud_btl->ib_cq, MCA_BTL_UD_NUM_WC, wc);
|
|
|
|
if(OPAL_UNLIKELY(ne < 0)) {
|
|
|
|
BTL_ERROR(("error polling CQ with %d: %s\n",
|
|
|
|
ne, strerror(errno)));
|
|
|
|
return OMPI_ERROR;
|
|
|
|
}
|
|
|
|
|
|
|
|
head_wr = NULL;
|
|
|
|
|
|
|
|
for(j = 0; j < ne; j++) {
|
|
|
|
cwc = &wc[j];
|
|
|
|
if(OPAL_UNLIKELY(cwc->status != IBV_WC_SUCCESS)) {
|
|
|
|
BTL_ERROR(("error polling CQ with status %d for wr_id %llu opcode %d\n",
|
|
|
|
cwc->status, cwc->wr_id, cwc->opcode));
|
|
|
|
return OMPI_ERROR;
|
|
|
|
}
|
|
|
|
|
|
|
|
frag = (mca_btl_ud_frag_t*)(unsigned long)cwc->wr_id;
|
|
|
|
|
|
|
|
/* Handle work completions */
|
|
|
|
switch(frag->type) {
|
|
|
|
case MCA_BTL_UD_FRAG_SEND:
|
|
|
|
case MCA_BTL_UD_FRAG_USER:
|
|
|
|
{
|
|
|
|
assert(cwc->opcode == IBV_WC_SEND);
|
2008-02-18 20:39:30 +03:00
|
|
|
btl_ownership = (frag->base.des_flags & MCA_BTL_DES_FLAGS_BTL_OWNERSHIP);
|
2007-07-06 03:42:54 +04:00
|
|
|
frag->base.des_cbfunc(&ud_btl->super,
|
|
|
|
frag->endpoint, &frag->base, OMPI_SUCCESS);
|
2008-02-18 20:39:30 +03:00
|
|
|
if( btl_ownership ) {
|
|
|
|
mca_btl_ud_free( &ud_btl->super, &frag->base );
|
|
|
|
}
|
2007-07-06 03:42:54 +04:00
|
|
|
|
|
|
|
/* Increment send counter, post if any sends are queued */
|
|
|
|
OPAL_THREAD_ADD32(&ud_btl->sd_wqe, 1);
|
|
|
|
if(OPAL_UNLIKELY(
|
|
|
|
!opal_list_is_empty(&ud_btl->pending_frags))) {
|
|
|
|
OPAL_THREAD_LOCK(&ud_btl->ud_lock);
|
|
|
|
frag = (mca_btl_ud_frag_t*)
|
|
|
|
opal_list_remove_first(&ud_btl->pending_frags);
|
|
|
|
OPAL_THREAD_UNLOCK(&ud_btl->ud_lock);
|
|
|
|
|
|
|
|
if(OPAL_LIKELY(NULL != frag)) {
|
|
|
|
mca_btl_ud_endpoint_post_send(ud_btl, frag);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
case MCA_BTL_UD_FRAG_RECV:
|
|
|
|
assert(cwc->opcode == IBV_WC_RECV);
|
2008-01-15 08:32:53 +03:00
|
|
|
reg = mca_btl_base_active_message_trigger + frag->hdr->tag;
|
2007-07-06 03:42:54 +04:00
|
|
|
|
|
|
|
frag->segment.seg_addr.pval = frag->hdr + 1;
|
|
|
|
frag->segment.seg_len = cwc->byte_len -
|
|
|
|
sizeof(mca_btl_ud_header_t) -
|
|
|
|
sizeof(mca_btl_ud_ib_header_t);
|
|
|
|
|
|
|
|
reg->cbfunc(&ud_btl->super,
|
|
|
|
frag->hdr->tag, &frag->base, reg->cbdata);
|
|
|
|
|
|
|
|
/* Add recv to linked list for reposting */
|
|
|
|
frag->wr_desc.rd_desc.next = head_wr;
|
|
|
|
head_wr = &frag->wr_desc.rd_desc;
|
|
|
|
continue;
|
|
|
|
default:
|
|
|
|
BTL_ERROR(("Unhandled completion opcode %d frag type %d",
|
|
|
|
cwc->opcode, frag->type));
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
count += ne;
|
|
|
|
|
|
|
|
/* Repost any recv buffers all at once */
|
|
|
|
if(OPAL_LIKELY(head_wr)) {
|
|
|
|
if(OPAL_UNLIKELY(ibv_post_recv(
|
|
|
|
ud_btl->ib_qp[0], head_wr, &bad_wr))) {
|
|
|
|
BTL_ERROR(("error posting recv: %s\n", strerror(errno)));
|
|
|
|
return OMPI_ERROR;
|
|
|
|
}
|
|
|
|
|
|
|
|
head_wr = NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return count;
|
|
|
|
}
|
|
|
|
|