1310 строки
47 KiB
C
1310 строки
47 KiB
C
/*
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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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* 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 Cisco Systems, 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 "ompi_config.h"
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#include "ompi/constants.h"
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#include "opal/event/event.h"
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#include "opal/include/opal/align.h"
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#include "opal/util/if.h"
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#include "opal/util/argv.h"
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#include "opal/util/output.h"
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#include "opal/util/show_help.h"
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#include "ompi/proc/proc.h"
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#include "ompi/mca/pml/pml.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/sys/atomic.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 "orte/util/sys_info.h"
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#include "ompi/mca/mpool/base/base.h"
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#include "ompi/mca/mpool/rdma/mpool_rdma.h"
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#include "ompi/mca/btl/base/base.h"
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#include "btl_openib.h"
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#include "btl_openib_frag.h"
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#include "btl_openib_endpoint.h"
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#include "btl_openib_eager_rdma.h"
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#include "btl_openib_proc.h"
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#include "btl_openib_ini.h"
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#include "btl_openib_mca.h"
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#include "ompi/datatype/convertor.h"
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#include "ompi/mca/mpool/mpool.h"
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#include <sysfs/libsysfs.h>
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#include <infiniband/verbs.h>
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#include <errno.h>
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#include <string.h> /* for strerror()*/
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#include "ompi/mca/pml/base/pml_base_module_exchange.h"
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/*
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* Local functions
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*/
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static int btl_openib_component_open(void);
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static int btl_openib_component_close(void);
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static int btl_openib_modex_send(void);
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static void btl_openib_control(struct mca_btl_base_module_t* btl,
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mca_btl_base_tag_t tag,
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mca_btl_base_descriptor_t* descriptor,
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void* cbdata);
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static int init_one_port(opal_list_t *btl_list, mca_btl_openib_hca_t *hca,
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uint8_t port_num, struct ibv_port_attr *ib_port_attr);
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static int init_one_hca(opal_list_t *btl_list, struct ibv_device* ib_dev);
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static mca_btl_base_module_t **btl_openib_component_init(
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int *num_btl_modules, bool enable_progress_threads,
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bool enable_mpi_threads);
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static void merge_values(ompi_btl_openib_ini_values_t *target,
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ompi_btl_openib_ini_values_t *src);
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static int btl_openib_handle_incoming(mca_btl_openib_module_t *openib_btl,
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mca_btl_openib_endpoint_t *endpoint,
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mca_btl_openib_frag_t *frag,
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size_t byte_len, const int prio);
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static char* btl_openib_component_status_to_string(enum ibv_wc_status status);
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static int btl_openib_component_progress(void);
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static int btl_openib_module_progress(mca_btl_openib_module_t *openib_btl);
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static void btl_openib_frag_progress_pending(
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mca_btl_openib_module_t* openib_btl, mca_btl_base_endpoint_t *endpoint,
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const int prio);
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static int openib_reg_mr(void *reg_data, void *base, size_t size,
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mca_mpool_base_registration_t *reg);
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static int openib_dereg_mr(void *reg_data, mca_mpool_base_registration_t *reg);
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mca_btl_openib_component_t mca_btl_openib_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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"openib", /* 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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btl_openib_component_open, /* component open */
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btl_openib_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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/* Whether the component is checkpointable or not */
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false
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},
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btl_openib_component_init,
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btl_openib_component_progress,
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}
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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 btl_openib_component_open(void)
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{
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int ret;
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/* initialize state */
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mca_btl_openib_component.ib_num_btls = 0;
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mca_btl_openib_component.openib_btls = NULL;
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/* initialize objects */
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OBJ_CONSTRUCT(&mca_btl_openib_component.ib_procs, opal_list_t);
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/* register IB component parameters */
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ret = btl_openib_register_mca_params();
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mca_btl_openib_component.max_send_size =
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mca_btl_openib_module.super.btl_max_send_size;
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mca_btl_openib_component.eager_limit =
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mca_btl_openib_module.super.btl_eager_limit;
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return ret;
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}
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/*
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* component cleanup - sanity checking of queue lengths
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*/
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static int btl_openib_component_close(void)
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{
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ompi_btl_openib_ini_finalize();
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return OMPI_SUCCESS;
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}
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/*
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* Register OPENIB port 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 btl_openib_modex_send(void)
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{
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int rc, i;
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size_t size;
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mca_btl_openib_port_info_t *ports = NULL;
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size = mca_btl_openib_component.ib_num_btls * sizeof (mca_btl_openib_port_info_t);
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if (size != 0) {
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ports = (mca_btl_openib_port_info_t *)malloc (size);
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if (NULL == ports) {
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BTL_ERROR(("Failed malloc: %s:%d\n", __FILE__, __LINE__));
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return OMPI_ERR_OUT_OF_RESOURCE;
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}
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for (i = 0; i < mca_btl_openib_component.ib_num_btls; i++) {
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mca_btl_openib_module_t *btl = &mca_btl_openib_component.openib_btls[i];
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ports[i] = btl->port_info;
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#if !defined(WORDS_BIGENDIAN) && OMPI_ENABLE_HETEROGENEOUS_SUPPORT
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MCA_BTL_OPENIB_PORT_INFO_HTON(ports[i]);
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#endif
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}
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}
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rc = mca_pml_base_modex_send (&mca_btl_openib_component.super.btl_version, ports, size);
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if (NULL != ports) {
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free (ports);
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}
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return rc;
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}
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/*
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* Callback function on control message.
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*/
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static void btl_openib_control(struct mca_btl_base_module_t* btl,
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mca_btl_base_tag_t tag,
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mca_btl_base_descriptor_t* descriptor,
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void* cbdata)
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{
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/* dont return credits used for control messages */
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mca_btl_openib_frag_t* frag = (mca_btl_openib_frag_t*)descriptor;
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mca_btl_openib_endpoint_t* endpoint = frag->endpoint;
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mca_btl_openib_control_header_t *ctl_hdr = frag->segment.seg_addr.pval;
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mca_btl_openib_eager_rdma_header_t *rdma_hdr;
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mca_btl_openib_rdma_credits_header_t *credits_hdr;
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if(frag->size == mca_btl_openib_component.eager_limit) {
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/* if not sent via rdma */
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if(!MCA_BTL_OPENIB_RDMA_FRAG(frag) &&
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ctl_hdr->type == MCA_BTL_OPENIB_CONTROL_CREDITS) {
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OPAL_THREAD_ADD32(&endpoint->rd_credits[BTL_OPENIB_HP_QP], -1);
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}
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} else {
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OPAL_THREAD_ADD32(&endpoint->rd_credits[BTL_OPENIB_LP_QP], -1);
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}
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switch (ctl_hdr->type) {
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case MCA_BTL_OPENIB_CONTROL_CREDITS:
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credits_hdr = (mca_btl_openib_rdma_credits_header_t*)ctl_hdr;
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if(endpoint->nbo) {
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BTL_OPENIB_RDMA_CREDITS_HEADER_NTOH((*credits_hdr));
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}
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if(credits_hdr->rdma_credits)
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OPAL_THREAD_ADD32(&endpoint->eager_rdma_remote.tokens,
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credits_hdr->rdma_credits);
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break;
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case MCA_BTL_OPENIB_CONTROL_RDMA:
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rdma_hdr = (mca_btl_openib_eager_rdma_header_t*)ctl_hdr;
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BTL_VERBOSE(("prior to NTOH received rkey %lu, rdma_start.lval %llu, pval %p, ival %u, frag_t_len %llu\n",
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rdma_hdr->rkey,
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(unsigned long) rdma_hdr->rdma_start.lval,
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rdma_hdr->rdma_start.pval,
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rdma_hdr->rdma_start.ival,
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(unsigned long) rdma_hdr->frag_t_len
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));
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if(endpoint->nbo) {
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BTL_OPENIB_EAGER_RDMA_CONTROL_HEADER_NTOH((*rdma_hdr));
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BTL_VERBOSE(("received rkey %lu, rdma_start.lval %llu, pval %p, ival %u, frag_t_len %llu\n",
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rdma_hdr->rkey,
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(unsigned long) rdma_hdr->rdma_start.lval,
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rdma_hdr->rdma_start.pval,
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rdma_hdr->rdma_start.ival,
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(unsigned long) rdma_hdr->frag_t_len
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));
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}
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if (endpoint->eager_rdma_remote.base.pval) {
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BTL_ERROR(("Got RDMA connect twice!"));
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return;
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}
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endpoint->eager_rdma_remote.rkey = rdma_hdr->rkey;
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endpoint->eager_rdma_remote.base.lval = rdma_hdr->rdma_start.lval;
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endpoint->eager_rdma_remote.frag_t_len = rdma_hdr->frag_t_len;
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endpoint->eager_rdma_remote.tokens =
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mca_btl_openib_component.eager_rdma_num - 1;
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break;
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default:
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BTL_ERROR(("Unknown message type received by BTL"));
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break;
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}
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}
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static int openib_reg_mr(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_openib_hca_t *hca = (mca_btl_openib_hca_t*)reg_data;
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mca_btl_openib_reg_t *openib_reg = (mca_btl_openib_reg_t*)reg;
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openib_reg->mr = ibv_reg_mr(hca->ib_pd, base, size, IBV_ACCESS_LOCAL_WRITE |
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IBV_ACCESS_REMOTE_WRITE | IBV_ACCESS_REMOTE_READ);
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if(NULL == openib_reg->mr)
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return OMPI_ERR_OUT_OF_RESOURCE;
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return OMPI_SUCCESS;
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}
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static int openib_dereg_mr(void *reg_data, mca_mpool_base_registration_t *reg)
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{
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mca_btl_openib_reg_t *openib_reg = (mca_btl_openib_reg_t*)reg;
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if(openib_reg->mr != NULL) {
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if(ibv_dereg_mr(openib_reg->mr)) {
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opal_output(0, "%s: error unpinning openib memory errno says %s\n",
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__func__, strerror(errno));
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return OMPI_ERROR;
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}
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}
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openib_reg->mr = NULL;
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return OMPI_SUCCESS;
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}
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static int init_one_port(opal_list_t *btl_list, mca_btl_openib_hca_t *hca,
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uint8_t port_num, struct ibv_port_attr *ib_port_attr)
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{
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uint16_t lid, i, lmc;
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mca_btl_openib_module_t *openib_btl;
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mca_btl_base_selected_module_t *ib_selected;
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union ibv_gid gid;
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uint64_t subnet_id;
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ibv_query_gid(hca->ib_dev_context, port_num, 0, &gid);
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subnet_id = ntoh64(gid.global.subnet_prefix);
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BTL_VERBOSE(("my subnet_id is %016x\n", subnet_id));
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if(mca_btl_openib_component.ib_num_btls > 0 &&
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IB_DEFAULT_GID_PREFIX == subnet_id &&
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mca_btl_openib_component.warn_default_gid_prefix) {
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opal_show_help("help-mpi-btl-openib.txt", "default subnet prefix",
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true, orte_system_info.nodename);
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}
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lmc = (1 << ib_port_attr->lmc);
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if (0 != mca_btl_openib_component.max_lmc &&
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mca_btl_openib_component.max_lmc < lmc) {
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lmc = mca_btl_openib_component.max_lmc;
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}
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for(lid = ib_port_attr->lid;
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lid < ib_port_attr->lid + lmc; lid++){
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for(i = 0; i < mca_btl_openib_component.btls_per_lid; i++){
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openib_btl = malloc(sizeof(mca_btl_openib_module_t));
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if(NULL == openib_btl) {
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BTL_ERROR(("Failed malloc: %s:%d\n", __FILE__, __LINE__));
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return OMPI_ERR_OUT_OF_RESOURCE;
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}
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memcpy(openib_btl, &mca_btl_openib_module,
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sizeof(mca_btl_openib_module));
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memcpy(&openib_btl->ib_port_attr, ib_port_attr,
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sizeof(struct ibv_port_attr));
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ib_selected = OBJ_NEW(mca_btl_base_selected_module_t);
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ib_selected->btl_module = (mca_btl_base_module_t*) openib_btl;
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openib_btl->hca = hca;
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openib_btl->port_num = (uint8_t) port_num;
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openib_btl->lid = lid;
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openib_btl->src_path_bits = lid - ib_port_attr->lid;
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/* store the subnet for multi-nic support */
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openib_btl->port_info.subnet_id = subnet_id;
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openib_btl->port_info.mtu = hca->mtu;
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openib_btl->ib_reg[MCA_BTL_TAG_BTL].cbfunc = btl_openib_control;
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openib_btl->ib_reg[MCA_BTL_TAG_BTL].cbdata = NULL;
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opal_list_append(btl_list, (opal_list_item_t*) ib_selected);
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hca->btls++;
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++mca_btl_openib_component.ib_num_btls;
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if (-1 != mca_btl_openib_component.ib_max_btls &&
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mca_btl_openib_component.ib_num_btls >=
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mca_btl_openib_component.ib_max_btls) {
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return OMPI_ERR_VALUE_OUT_OF_BOUNDS;
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}
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}
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}
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return OMPI_SUCCESS;
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}
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static int init_one_hca(opal_list_t *btl_list, struct ibv_device* ib_dev)
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{
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struct mca_mpool_base_resources_t mpool_resources;
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mca_btl_openib_hca_t *hca;
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uint8_t i;
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int ret = -1;
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ompi_btl_openib_ini_values_t values, default_values;
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hca = malloc(sizeof(mca_btl_openib_hca_t));
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if(NULL == hca){
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BTL_ERROR(("Failed malloc: %s:%d\n", __FILE__, __LINE__));
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return OMPI_ERR_OUT_OF_RESOURCE;
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}
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hca->ib_dev = ib_dev;
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hca->ib_dev_context = ibv_open_device(ib_dev);
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hca->btls = 0;
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OBJ_CONSTRUCT(&hca->hca_lock, opal_mutex_t);
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if(NULL == hca->ib_dev_context){
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BTL_ERROR(("error obtaining device context for %s errno says %s\n",
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ibv_get_device_name(ib_dev), strerror(errno)));
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goto free_hca;
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}
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if(ibv_query_device(hca->ib_dev_context, &hca->ib_dev_attr)){
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BTL_ERROR(("error obtaining device attributes for %s errno says %s\n",
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ibv_get_device_name(ib_dev), strerror(errno)));
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goto close_hca;
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}
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/* Load in vendor/part-specific HCA parameters. Note that even if
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we don't find values for this vendor/part, "values" will be set
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indicating that it does not have good values */
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ret = ompi_btl_openib_ini_query(hca->ib_dev_attr.vendor_id,
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hca->ib_dev_attr.vendor_part_id,
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&values);
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if (OMPI_SUCCESS != ret && OMPI_ERR_NOT_FOUND != ret) {
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/* If we get a serious error, propagate it upwards */
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goto close_hca;
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}
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if (OMPI_ERR_NOT_FOUND == ret) {
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/* If we didn't find a matching HCA in the INI files, output a
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warning that we're using default values (unless overridden
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that we don't want to see these warnings) */
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if (mca_btl_openib_component.warn_no_hca_params_found) {
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opal_show_help("help-mpi-btl-openib.txt",
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"no hca params found", true,
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orte_system_info.nodename,
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hca->ib_dev_attr.vendor_id,
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hca->ib_dev_attr.vendor_part_id);
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}
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}
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/* Note that even if we don't find default values, "values" will
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be set indicating that it does not have good values */
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ret = ompi_btl_openib_ini_query(0, 0, &default_values);
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if (OMPI_SUCCESS != ret && OMPI_ERR_NOT_FOUND != ret) {
|
|
/* If we get a serious error, propagate it upwards */
|
|
goto close_hca;
|
|
}
|
|
|
|
/* If we did find values for this HCA (or in the defaults
|
|
section), handle them */
|
|
merge_values(&values, &default_values);
|
|
if (values.mtu_set) {
|
|
switch (values.mtu) {
|
|
case 256:
|
|
hca->mtu = IBV_MTU_256;
|
|
break;
|
|
case 512:
|
|
hca->mtu = IBV_MTU_512;
|
|
break;
|
|
case 1024:
|
|
hca->mtu = IBV_MTU_1024;
|
|
break;
|
|
case 2048:
|
|
hca->mtu = IBV_MTU_2048;
|
|
break;
|
|
case 4096:
|
|
hca->mtu = IBV_MTU_4096;
|
|
break;
|
|
default:
|
|
BTL_ERROR(("invalid MTU value specified in INI file (%d); ignored\n", values.mtu));
|
|
hca->mtu = mca_btl_openib_component.ib_mtu;
|
|
break;
|
|
}
|
|
} else {
|
|
hca->mtu = mca_btl_openib_component.ib_mtu;
|
|
}
|
|
|
|
/* If "use eager rdma" was set, then enable it on this HCA */
|
|
if (values.use_eager_rdma_set) {
|
|
hca->use_eager_rdma = values.use_eager_rdma;
|
|
}
|
|
|
|
hca->ib_pd = ibv_alloc_pd(hca->ib_dev_context);
|
|
if(NULL == hca->ib_pd){
|
|
BTL_ERROR(("error allocating pd for %s errno says %s\n",
|
|
ibv_get_device_name(ib_dev), strerror(errno)));
|
|
goto close_hca;
|
|
}
|
|
|
|
mpool_resources.reg_data = (void*)hca;
|
|
mpool_resources.sizeof_reg = sizeof(mca_btl_openib_reg_t);
|
|
mpool_resources.register_mem = openib_reg_mr;
|
|
mpool_resources.deregister_mem = openib_dereg_mr;
|
|
hca->mpool =
|
|
mca_mpool_base_module_create(mca_btl_openib_component.ib_mpool_name,
|
|
hca, &mpool_resources);
|
|
if(NULL == hca->mpool){
|
|
BTL_ERROR(("error creating IB memory pool for %s errno says %s\n",
|
|
ibv_get_device_name(ib_dev), strerror(errno)));
|
|
goto dealloc_pd;
|
|
}
|
|
|
|
#if OMPI_ENABLE_PROGRESS_THREADS == 1
|
|
hca->ib_channel = ibv_create_comp_channel(hca->ib_dev_context);
|
|
if (NULL == hca->ib_channel) {
|
|
BTL_ERROR(("error creating channel for %s errno says %s\n",
|
|
ibv_get_device_name(hca->ib_dev),
|
|
strerror(errno)));
|
|
goto mpool_destroy;
|
|
}
|
|
#endif
|
|
|
|
ret = OMPI_SUCCESS;
|
|
|
|
/* Note ports are 1 based hence j = 1 */
|
|
for(i = 1; i <= hca->ib_dev_attr.phys_port_cnt; i++){
|
|
struct ibv_port_attr ib_port_attr;
|
|
|
|
if(ibv_query_port(hca->ib_dev_context, i, &ib_port_attr)){
|
|
BTL_ERROR(("error getting port attributes for device %s "
|
|
"port number %d errno says %s",
|
|
ibv_get_device_name(ib_dev), i, strerror(errno)));
|
|
break;
|
|
}
|
|
|
|
if(IBV_PORT_ACTIVE == ib_port_attr.state){
|
|
ret = init_one_port(btl_list, hca, i, &ib_port_attr);
|
|
|
|
if (OMPI_SUCCESS != ret) {
|
|
/* Out of bounds error indicates that we hit max btl number
|
|
* don't propagate the error to the caller */
|
|
if(OMPI_ERR_VALUE_OUT_OF_BOUNDS == ret)
|
|
ret = OMPI_SUCCESS;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (hca->btls != 0){
|
|
#if OMPI_ENABLE_PROGRESS_THREADS == 1
|
|
/* Prepare data for thread, but not starting it */
|
|
OBJ_CONSTRUCT(&hca->thread, opal_thread_t);
|
|
hca->thread.t_run = mca_btl_openib_progress_thread;
|
|
hca->thread.t_arg = hca;
|
|
hca->progress = false;
|
|
#endif
|
|
return ret;
|
|
}
|
|
|
|
#if OMPI_ENABLE_PROGRESS_THREADS == 1
|
|
ibv_destroy_comp_channel(hca->ib_channel);
|
|
mpool_destroy:
|
|
#endif
|
|
mca_mpool_base_module_destroy(hca->mpool);
|
|
dealloc_pd:
|
|
ibv_dealloc_pd(hca->ib_pd);
|
|
close_hca:
|
|
ibv_close_device(hca->ib_dev_context);
|
|
free_hca:
|
|
free(hca);
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* IB component initialization:
|
|
* (1) read interface list from kernel and compare against component parameters
|
|
* then create a BTL instance for selected interfaces
|
|
* (2) setup IB listen socket for incoming connection attempts
|
|
* (3) register BTL parameters with the MCA
|
|
*/
|
|
|
|
static mca_btl_base_module_t**
|
|
btl_openib_component_init(int *num_btl_modules,
|
|
bool enable_progress_threads,
|
|
bool enable_mpi_threads)
|
|
{
|
|
struct ibv_device **ib_devs;
|
|
mca_btl_base_module_t** btls;
|
|
int i, ret, length, num_devs;
|
|
opal_list_t btl_list;
|
|
mca_btl_openib_module_t * openib_btl;
|
|
mca_btl_base_selected_module_t* ib_selected;
|
|
opal_list_item_t* item;
|
|
#if OMPI_MCA_BTL_OPENIB_HAVE_DEVICE_LIST == 0
|
|
struct dlist *dev_list;
|
|
struct ibv_device* ib_dev;
|
|
#endif
|
|
unsigned short seedv[3];
|
|
|
|
/* initialization */
|
|
*num_btl_modules = 0;
|
|
num_devs = 0;
|
|
|
|
seedv[0] = orte_process_info.my_name->vpid;
|
|
seedv[1] = opal_sys_timer_get_cycles();
|
|
seedv[2] = opal_sys_timer_get_cycles();
|
|
seed48(seedv);
|
|
|
|
/* Read in INI files with HCA-specific parameters */
|
|
if (OMPI_SUCCESS != (ret = ompi_btl_openib_ini_init())) {
|
|
return NULL;
|
|
}
|
|
|
|
#if OMPI_MCA_BTL_OPENIB_HAVE_DEVICE_LIST
|
|
ib_devs = ibv_get_device_list(&num_devs);
|
|
#else
|
|
/* Determine the number of hca's available on the host */
|
|
dev_list = ibv_get_devices();
|
|
if (NULL == dev_list) {
|
|
mca_btl_base_error_no_nics("OpenIB", "HCA");
|
|
mca_btl_openib_component.ib_num_btls = 0;
|
|
btl_openib_modex_send();
|
|
return NULL;
|
|
}
|
|
dlist_start(dev_list);
|
|
|
|
dlist_for_each_data(dev_list, ib_dev, struct ibv_device)
|
|
num_devs++;
|
|
#endif
|
|
|
|
if(0 == num_devs) {
|
|
mca_btl_base_error_no_nics("OpenIB", "HCA");
|
|
btl_openib_modex_send();
|
|
return NULL;
|
|
}
|
|
|
|
#if OMPI_MCA_BTL_OPENIB_HAVE_DEVICE_LIST == 0
|
|
/* Allocate space for the ib devices */
|
|
ib_devs = (struct ibv_device**) malloc(num_devs * sizeof(struct ibv_dev*));
|
|
if(NULL == ib_devs) {
|
|
BTL_ERROR(("Failed malloc: %s:%d\n", __FILE__, __LINE__));
|
|
return NULL;
|
|
}
|
|
|
|
dlist_start(dev_list);
|
|
|
|
i = 0;
|
|
dlist_for_each_data(dev_list, ib_dev, struct ibv_device)
|
|
ib_devs[i++] = ib_dev;
|
|
#endif
|
|
|
|
/* We must loop through all the hca id's, get their handles and
|
|
for each hca we query the number of ports on the hca and set up
|
|
a distinct btl module for each hca port */
|
|
|
|
OBJ_CONSTRUCT(&btl_list, opal_list_t);
|
|
OBJ_CONSTRUCT(&mca_btl_openib_component.ib_lock, opal_mutex_t);
|
|
|
|
for (i = 0; i < num_devs &&
|
|
(-1 == mca_btl_openib_component.ib_max_btls ||
|
|
mca_btl_openib_component.ib_num_btls <
|
|
mca_btl_openib_component.ib_max_btls); i++){
|
|
if (OMPI_SUCCESS != (ret = init_one_hca(&btl_list, ib_devs[i]))) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if(ret != OMPI_SUCCESS) {
|
|
opal_show_help("help-mpi-btl-openib.txt",
|
|
"error in hca init", true, orte_system_info.nodename);
|
|
}
|
|
|
|
if(0 == mca_btl_openib_component.ib_num_btls) {
|
|
opal_show_help("help-mpi-btl-openib.txt",
|
|
"no active ports found", true, orte_system_info.nodename);
|
|
return NULL;
|
|
}
|
|
|
|
/* Allocate space for btl modules */
|
|
mca_btl_openib_component.openib_btls =
|
|
malloc(sizeof(mca_btl_openib_module_t) *
|
|
mca_btl_openib_component.ib_num_btls);
|
|
|
|
if(NULL == mca_btl_openib_component.openib_btls) {
|
|
BTL_ERROR(("Failed malloc: %s:%d\n", __FILE__, __LINE__));
|
|
return NULL;
|
|
}
|
|
btls = malloc(mca_btl_openib_component.ib_num_btls *
|
|
sizeof(struct mca_btl_openib_module_t*));
|
|
if(NULL == btls) {
|
|
BTL_ERROR(("Failed malloc: %s:%d\n", __FILE__, __LINE__));
|
|
return NULL;
|
|
}
|
|
|
|
/* Copy the btl module structs into a contiguous array and fully
|
|
initialize them */
|
|
for(i = 0; i < mca_btl_openib_component.ib_num_btls; i++){
|
|
item = opal_list_remove_first(&btl_list);
|
|
ib_selected = (mca_btl_base_selected_module_t*)item;
|
|
openib_btl = (mca_btl_openib_module_t*) ib_selected->btl_module;
|
|
memcpy(&(mca_btl_openib_component.openib_btls[i]), openib_btl,
|
|
sizeof(mca_btl_openib_module_t));
|
|
free(openib_btl);
|
|
OBJ_RELEASE(ib_selected);
|
|
openib_btl = &mca_btl_openib_component.openib_btls[i];
|
|
|
|
openib_btl->rd_num = mca_btl_openib_component.rd_num +
|
|
mca_btl_openib_component.rd_rsv;
|
|
openib_btl->rd_low = mca_btl_openib_component.rd_low;
|
|
openib_btl->num_peers = 0;
|
|
openib_btl->sd_tokens[BTL_OPENIB_HP_QP] =
|
|
openib_btl->sd_tokens[BTL_OPENIB_LP_QP] = mca_btl_openib_component.srq_sd_max;
|
|
|
|
/* Initialize module state */
|
|
|
|
OBJ_CONSTRUCT(&openib_btl->pending_frags[BTL_OPENIB_HP_QP], opal_list_t);
|
|
OBJ_CONSTRUCT(&openib_btl->pending_frags[BTL_OPENIB_LP_QP], opal_list_t);
|
|
|
|
OBJ_CONSTRUCT(&openib_btl->ib_lock, opal_mutex_t);
|
|
OBJ_CONSTRUCT(&openib_btl->send_free_eager, ompi_free_list_t);
|
|
OBJ_CONSTRUCT(&openib_btl->send_free_max, ompi_free_list_t);
|
|
OBJ_CONSTRUCT(&openib_btl->send_free_frag, ompi_free_list_t);
|
|
OBJ_CONSTRUCT(&openib_btl->send_free_control, ompi_free_list_t);
|
|
|
|
OBJ_CONSTRUCT(&openib_btl->recv_free_eager, ompi_free_list_t);
|
|
OBJ_CONSTRUCT(&openib_btl->recv_free_max, ompi_free_list_t);
|
|
|
|
/* initialize the memory pool using the hca */
|
|
openib_btl->super.btl_mpool = openib_btl->hca->mpool;
|
|
|
|
/* Initialize pool of send fragments */
|
|
length = sizeof(mca_btl_openib_frag_t) +
|
|
sizeof(mca_btl_openib_header_t) +
|
|
sizeof(mca_btl_openib_footer_t) +
|
|
openib_btl->super.btl_eager_limit;
|
|
|
|
openib_btl->eager_rdma_frag_size = OPAL_ALIGN(length,
|
|
mca_btl_openib_component.buffer_alignment, int);
|
|
|
|
ompi_free_list_init_ex(&openib_btl->send_free_eager,
|
|
length,
|
|
sizeof(mca_btl_openib_frag_t),
|
|
mca_btl_openib_component.buffer_alignment,
|
|
OBJ_CLASS(mca_btl_openib_send_frag_eager_t),
|
|
mca_btl_openib_component.ib_free_list_num,
|
|
mca_btl_openib_component.ib_free_list_max,
|
|
mca_btl_openib_component.ib_free_list_inc,
|
|
openib_btl->super.btl_mpool);
|
|
|
|
ompi_free_list_init_ex(&openib_btl->recv_free_eager,
|
|
length,
|
|
sizeof(mca_btl_openib_frag_t),
|
|
mca_btl_openib_component.buffer_alignment,
|
|
OBJ_CLASS(mca_btl_openib_recv_frag_eager_t),
|
|
mca_btl_openib_component.ib_free_list_num,
|
|
mca_btl_openib_component.ib_free_list_max,
|
|
mca_btl_openib_component.ib_free_list_inc,
|
|
openib_btl->super.btl_mpool);
|
|
|
|
length = sizeof(mca_btl_openib_frag_t) +
|
|
sizeof(mca_btl_openib_header_t) +
|
|
openib_btl->super.btl_max_send_size;
|
|
|
|
ompi_free_list_init_ex(&openib_btl->send_free_max,
|
|
length,
|
|
sizeof(mca_btl_openib_frag_t),
|
|
mca_btl_openib_component.buffer_alignment,
|
|
OBJ_CLASS(mca_btl_openib_send_frag_max_t),
|
|
mca_btl_openib_component.ib_free_list_num,
|
|
mca_btl_openib_component.ib_free_list_max,
|
|
mca_btl_openib_component.ib_free_list_inc,
|
|
openib_btl->super.btl_mpool);
|
|
|
|
/* Initialize pool of receive fragments */
|
|
ompi_free_list_init_ex(&openib_btl->recv_free_max,
|
|
length,
|
|
sizeof(mca_btl_openib_frag_t),
|
|
mca_btl_openib_component.buffer_alignment,
|
|
OBJ_CLASS (mca_btl_openib_recv_frag_max_t),
|
|
mca_btl_openib_component.ib_free_list_num,
|
|
mca_btl_openib_component.ib_free_list_max,
|
|
mca_btl_openib_component.ib_free_list_inc,
|
|
openib_btl->super.btl_mpool);
|
|
|
|
length = sizeof(mca_btl_openib_frag_t) +
|
|
sizeof(mca_btl_openib_header_t) +
|
|
sizeof(mca_btl_openib_footer_t) +
|
|
sizeof(mca_btl_openib_eager_rdma_header_t);
|
|
|
|
ompi_free_list_init_ex(&openib_btl->send_free_control,
|
|
length,
|
|
sizeof(mca_btl_openib_frag_t),
|
|
mca_btl_openib_component.buffer_alignment,
|
|
OBJ_CLASS(mca_btl_openib_send_frag_control_t),
|
|
mca_btl_openib_component.ib_free_list_num,
|
|
-1,
|
|
mca_btl_openib_component.ib_free_list_inc,
|
|
openib_btl->super.btl_mpool);
|
|
|
|
length = sizeof(mca_btl_openib_frag_t);
|
|
|
|
ompi_free_list_init(&openib_btl->send_free_frag,
|
|
length,
|
|
OBJ_CLASS(mca_btl_openib_send_frag_frag_t),
|
|
mca_btl_openib_component.ib_free_list_num,
|
|
mca_btl_openib_component.ib_free_list_max,
|
|
mca_btl_openib_component.ib_free_list_inc,
|
|
NULL);
|
|
|
|
orte_pointer_array_init(&openib_btl->eager_rdma_buffers,
|
|
mca_btl_openib_component.max_eager_rdma,
|
|
mca_btl_openib_component.max_eager_rdma,
|
|
0);
|
|
openib_btl->eager_rdma_buffers_count = 0;
|
|
|
|
orte_pointer_array_init(&openib_btl->endpoints, 10, INT_MAX, 100);
|
|
btls[i] = &openib_btl->super;
|
|
}
|
|
|
|
/* Post OOB receive to support dynamic connection setup */
|
|
mca_btl_openib_post_recv();
|
|
btl_openib_modex_send();
|
|
|
|
*num_btl_modules = mca_btl_openib_component.ib_num_btls;
|
|
#if OMPI_MCA_BTL_OPENIB_HAVE_DEVICE_LIST
|
|
ibv_free_device_list(ib_devs);
|
|
#else
|
|
free(ib_devs);
|
|
#endif
|
|
return btls;
|
|
}
|
|
|
|
|
|
static void merge_values(ompi_btl_openib_ini_values_t *target,
|
|
ompi_btl_openib_ini_values_t *src)
|
|
{
|
|
if (!target->mtu_set && src->mtu_set) {
|
|
target->mtu = src->mtu;
|
|
target->mtu_set = true;
|
|
}
|
|
|
|
if (!target->use_eager_rdma_set && src->use_eager_rdma_set) {
|
|
target->use_eager_rdma = src->use_eager_rdma;
|
|
target->use_eager_rdma_set = true;
|
|
}
|
|
}
|
|
|
|
|
|
static int btl_openib_handle_incoming(mca_btl_openib_module_t *openib_btl,
|
|
mca_btl_openib_endpoint_t *endpoint,
|
|
mca_btl_openib_frag_t *frag,
|
|
size_t byte_len, const int prio)
|
|
{
|
|
ompi_free_list_t *free_list;
|
|
if(endpoint->nbo) {
|
|
BTL_OPENIB_HEADER_NTOH((*(frag->hdr)));
|
|
}
|
|
if(BTL_OPENIB_HP_QP == prio)
|
|
free_list = &openib_btl->recv_free_eager;
|
|
else
|
|
free_list = &openib_btl->recv_free_max;
|
|
|
|
/* advance the segment address past the header and subtract from the
|
|
* length..*/
|
|
frag->segment.seg_len = byte_len - sizeof(mca_btl_openib_header_t);
|
|
|
|
/* call registered callback */
|
|
openib_btl->ib_reg[frag->hdr->tag].cbfunc(&openib_btl->super,
|
|
frag->hdr->tag, &frag->base,
|
|
openib_btl->ib_reg[frag->hdr->tag].cbdata);
|
|
|
|
if(BTL_OPENIB_IS_RDMA_CREDITS(frag->hdr->credits) &&
|
|
BTL_OPENIB_CREDITS(frag->hdr->credits) > 0)
|
|
OPAL_THREAD_ADD32(&endpoint->eager_rdma_remote.tokens,
|
|
BTL_OPENIB_CREDITS(frag->hdr->credits));
|
|
else
|
|
if(!mca_btl_openib_component.use_srq && frag->hdr->credits > 0)
|
|
OPAL_THREAD_ADD32(&endpoint->sd_tokens[prio],
|
|
frag->hdr->credits);
|
|
|
|
if (!MCA_BTL_OPENIB_RDMA_FRAG(frag)) {
|
|
OMPI_FREE_LIST_RETURN(free_list, (ompi_free_list_item_t*) frag);
|
|
} else {
|
|
mca_btl_openib_frag_t *tf;
|
|
OPAL_THREAD_LOCK(&endpoint->eager_rdma_local.lock);
|
|
MCA_BTL_OPENIB_RDMA_MAKE_REMOTE(frag->ftr);
|
|
while (endpoint->eager_rdma_local.tail !=
|
|
endpoint->eager_rdma_local.head) {
|
|
tf = MCA_BTL_OPENIB_GET_LOCAL_RDMA_FRAG(endpoint,
|
|
endpoint->eager_rdma_local.tail);
|
|
if (MCA_BTL_OPENIB_RDMA_FRAG_LOCAL (tf))
|
|
break;
|
|
OPAL_THREAD_ADD32(&endpoint->eager_rdma_local.credits, 1);
|
|
MCA_BTL_OPENIB_RDMA_NEXT_INDEX(endpoint->eager_rdma_local.tail);
|
|
}
|
|
OPAL_THREAD_UNLOCK(&endpoint->eager_rdma_local.lock);
|
|
}
|
|
|
|
if (!endpoint->eager_rdma_local.base.pval &&
|
|
endpoint->use_eager_rdma &&
|
|
BTL_OPENIB_HP_QP == prio &&
|
|
openib_btl->eager_rdma_buffers_count <
|
|
mca_btl_openib_component.max_eager_rdma &&
|
|
OPAL_THREAD_ADD32(&endpoint->eager_recv_count, 1) ==
|
|
mca_btl_openib_component.eager_rdma_threshold) {
|
|
mca_btl_openib_endpoint_connect_eager_rdma(endpoint);
|
|
}
|
|
|
|
/* repost receive descriptors if receive not by RDMA */
|
|
if(!MCA_BTL_OPENIB_RDMA_FRAG(frag)) {
|
|
if(mca_btl_openib_component.use_srq) {
|
|
OPAL_THREAD_ADD32((int32_t*)&openib_btl->srd_posted[prio], -1);
|
|
mca_btl_openib_post_srr(openib_btl, 0, prio);
|
|
} else {
|
|
OPAL_THREAD_ADD32((int32_t*)&endpoint->rd_posted[prio], -1);
|
|
btl_openib_endpoint_post_rr(endpoint, 0, prio);
|
|
}
|
|
}
|
|
|
|
/* nothing to progress for SRQ case */
|
|
if(!mca_btl_openib_component.use_srq) {
|
|
btl_openib_frag_progress_pending(openib_btl, endpoint, prio);
|
|
}
|
|
|
|
/* check to see if we need to return credits */
|
|
if(btl_openib_check_send_credits(endpoint, prio)) {
|
|
mca_btl_openib_endpoint_send_credits(endpoint, prio);
|
|
}
|
|
|
|
return OMPI_SUCCESS;
|
|
}
|
|
|
|
static char* btl_openib_component_status_to_string(enum ibv_wc_status status)
|
|
{
|
|
switch(status) {
|
|
case IBV_WC_SUCCESS:
|
|
return "SUCCESS";
|
|
break;
|
|
case IBV_WC_LOC_LEN_ERR:
|
|
return "LOCAL LENGTH ERROR";
|
|
break;
|
|
case IBV_WC_LOC_QP_OP_ERR:
|
|
return "LOCAL QP OPERATION ERROR";
|
|
break;
|
|
case IBV_WC_LOC_EEC_OP_ERR:
|
|
return "LOCAL EEC OPERATION ERROR";
|
|
break;
|
|
case IBV_WC_LOC_PROT_ERR:
|
|
return "LOCAL PROTOCOL ERROR";
|
|
break;
|
|
case IBV_WC_WR_FLUSH_ERR:
|
|
return "WORK REQUEST FLUSHED ERROR";
|
|
break;
|
|
case IBV_WC_MW_BIND_ERR:
|
|
return "MEMORY WINDOW BIND ERROR";
|
|
break;
|
|
case IBV_WC_BAD_RESP_ERR:
|
|
return "BAD RESPONSE ERROR";
|
|
break;
|
|
case IBV_WC_LOC_ACCESS_ERR:
|
|
return "LOCAL ACCESS ERROR";
|
|
break;
|
|
case IBV_WC_REM_INV_REQ_ERR:
|
|
return "INVALID REQUEST ERROR";
|
|
break;
|
|
case IBV_WC_REM_ACCESS_ERR:
|
|
return "REMOTE ACCESS ERROR";
|
|
break;
|
|
case IBV_WC_REM_OP_ERR:
|
|
return "REMOTE OPERATION ERROR";
|
|
break;
|
|
case IBV_WC_RETRY_EXC_ERR:
|
|
return "RETRY EXCEEDED ERROR";
|
|
break;
|
|
case IBV_WC_RNR_RETRY_EXC_ERR:
|
|
return "RECEIVER NOT READY RETRY EXCEEEDED ERROR";
|
|
break;
|
|
case IBV_WC_LOC_RDD_VIOL_ERR:
|
|
return "LOCAL RDD VIOLATION ERROR";
|
|
break;
|
|
case IBV_WC_REM_INV_RD_REQ_ERR:
|
|
return "INVALID READ REQUEST ERROR";
|
|
break;
|
|
case IBV_WC_REM_ABORT_ERR:
|
|
return "REMOTE ABORT ERROR";
|
|
break;
|
|
case IBV_WC_INV_EECN_ERR:
|
|
return "INVALID EECN ERROR";
|
|
break;
|
|
case IBV_WC_INV_EEC_STATE_ERR:
|
|
return "INVALID EEC STATE ERROR";
|
|
break;
|
|
case IBV_WC_FATAL_ERR:
|
|
return "FATAL ERROR";
|
|
break;
|
|
case IBV_WC_RESP_TIMEOUT_ERR:
|
|
return "RESPONSE TIMEOUT ERROR";
|
|
break;
|
|
case IBV_WC_GENERAL_ERR:
|
|
return "GENERAL ERROR";
|
|
break;
|
|
default:
|
|
return "STATUS UNDEFINED";
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
static inline int btl_openib_frag_progress_one(
|
|
mca_btl_openib_module_t* openib_btl,
|
|
mca_btl_openib_frag_t* frag)
|
|
{
|
|
int res;
|
|
|
|
switch(frag->wr_desc.sr_desc.opcode) {
|
|
case IBV_WR_SEND:
|
|
res = mca_btl_openib_endpoint_send(frag->endpoint, frag);
|
|
break;
|
|
case IBV_WR_RDMA_WRITE:
|
|
res = mca_btl_openib_put((mca_btl_base_module_t*) openib_btl,
|
|
frag->endpoint,
|
|
(mca_btl_base_descriptor_t*) frag);
|
|
break;
|
|
case IBV_WR_RDMA_READ:
|
|
res = mca_btl_openib_get((mca_btl_base_module_t *) openib_btl,
|
|
frag->endpoint,
|
|
(mca_btl_base_descriptor_t*) frag);
|
|
break;
|
|
default:
|
|
res = OMPI_ERROR;
|
|
BTL_ERROR(("error in posting pending operation, "
|
|
"invalide opcode %d\n", frag->wr_desc.sr_desc.opcode));
|
|
break;
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
#define BTL_OPENIB_TOKENS(E, P) ((E)->sd_tokens[(P)] + \
|
|
(((P) == BTL_OPENIB_HP_QP)?(E)->eager_rdma_remote.tokens:0))
|
|
static void btl_openib_frag_progress_pending(
|
|
mca_btl_openib_module_t* openib_btl, mca_btl_base_endpoint_t *endpoint,
|
|
const int prio)
|
|
{
|
|
|
|
opal_list_item_t *frag_item;
|
|
mca_btl_openib_frag_t* frag;
|
|
size_t i, len = opal_list_get_size(&endpoint->pending_frags[prio]);
|
|
|
|
/* check to see if we need to progress any pending descriptors */
|
|
for(i = 0; i < len && endpoint->sd_wqe[prio] > 0 &&
|
|
BTL_OPENIB_TOKENS(endpoint, prio) > 0; i++) {
|
|
OPAL_THREAD_LOCK(&endpoint->endpoint_lock);
|
|
frag_item = opal_list_remove_first(&(endpoint->pending_frags[prio]));
|
|
OPAL_THREAD_UNLOCK(&endpoint->endpoint_lock);
|
|
if(NULL == (frag = (mca_btl_openib_frag_t *) frag_item))
|
|
break;
|
|
if(btl_openib_frag_progress_one(openib_btl, frag) ==
|
|
OMPI_ERR_OUT_OF_RESOURCE)
|
|
break;
|
|
}
|
|
|
|
if(BTL_OPENIB_LP_QP == prio) {
|
|
len = opal_list_get_size(&endpoint->pending_get_frags);
|
|
for(i = 0; i < len && endpoint->sd_wqe[BTL_OPENIB_LP_QP] > 0 &&
|
|
endpoint->get_tokens > 0; i++) {
|
|
OPAL_THREAD_LOCK(&endpoint->endpoint_lock);
|
|
frag_item = opal_list_remove_first(&(endpoint->pending_get_frags));
|
|
OPAL_THREAD_UNLOCK(&endpoint->endpoint_lock);
|
|
if(NULL == (frag = (mca_btl_openib_frag_t *) frag_item))
|
|
break;
|
|
if(btl_openib_frag_progress_one(openib_btl, frag) ==
|
|
OMPI_ERR_OUT_OF_RESOURCE)
|
|
break;
|
|
}
|
|
|
|
len = opal_list_get_size(&endpoint->pending_put_frags);
|
|
for(i = 0; i < len && endpoint->sd_wqe[BTL_OPENIB_LP_QP] > 0; i++) {
|
|
OPAL_THREAD_LOCK(&endpoint->endpoint_lock);
|
|
frag_item = opal_list_remove_first(&(endpoint->pending_put_frags));
|
|
OPAL_THREAD_UNLOCK(&endpoint->endpoint_lock);
|
|
if(NULL == (frag = (mca_btl_openib_frag_t *) frag_item))
|
|
break;
|
|
if(btl_openib_frag_progress_one(openib_btl, frag) ==
|
|
OMPI_ERR_OUT_OF_RESOURCE)
|
|
break;
|
|
}
|
|
}
|
|
|
|
if(!mca_btl_openib_component.use_srq)
|
|
return;
|
|
|
|
len = opal_list_get_size(&openib_btl->pending_frags[prio]);
|
|
for(i = 0; i < len && openib_btl->sd_tokens[prio] > 0; i++) {
|
|
/* dequeue resources due to global flow control */
|
|
OPAL_THREAD_LOCK(&openib_btl->ib_lock);
|
|
frag_item = opal_list_remove_first(&openib_btl->pending_frags[prio]);
|
|
OPAL_THREAD_UNLOCK(&openib_btl->ib_lock);
|
|
if(NULL == (frag = (mca_btl_openib_frag_t *) frag_item))
|
|
break;
|
|
if(btl_openib_frag_progress_one(openib_btl, frag) ==
|
|
OMPI_ERR_OUT_OF_RESOURCE)
|
|
break;
|
|
}
|
|
}
|
|
|
|
#if OMPI_ENABLE_PROGRESS_THREADS == 1
|
|
void* mca_btl_openib_progress_thread(opal_object_t* arg)
|
|
{
|
|
mca_btl_openib_module_t* openib_btl;
|
|
opal_thread_t* thread = (opal_thread_t*)arg;
|
|
mca_btl_openib_hca_t* hca = thread->t_arg;
|
|
struct ibv_cq *ev_cq;
|
|
void *ev_ctx;
|
|
|
|
/* This thread enter in a cancel enabled state */
|
|
pthread_setcancelstate( PTHREAD_CANCEL_ENABLE, NULL );
|
|
pthread_setcanceltype( PTHREAD_CANCEL_ASYNCHRONOUS, NULL );
|
|
|
|
while (hca->progress) {
|
|
while(opal_progress_threads()) {
|
|
while(opal_progress_threads())
|
|
sched_yield();
|
|
usleep(100); /* give app a chance to re-enter library */
|
|
}
|
|
|
|
if(ibv_get_cq_event(hca->ib_channel, &ev_cq, &ev_ctx))
|
|
BTL_ERROR(("Failed to get CQ event with error %s",
|
|
strerror(errno)));
|
|
if(ibv_req_notify_cq(ev_cq, 0)) {
|
|
BTL_ERROR(("Couldn't request CQ notification with error %s",
|
|
strerror(errno)));
|
|
}
|
|
openib_btl=(mca_btl_openib_module_t*)ev_ctx;
|
|
|
|
if (ev_cq == openib_btl->ib_cq[BTL_OPENIB_LP_QP])
|
|
ibv_ack_cq_events (openib_btl->ib_cq[BTL_OPENIB_LP_QP], 1);
|
|
else
|
|
ibv_ack_cq_events (openib_btl->ib_cq[BTL_OPENIB_HP_QP], 1);
|
|
|
|
while(btl_openib_module_progress(openib_btl));
|
|
}
|
|
|
|
return PTHREAD_CANCELED;
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* IB component progress.
|
|
*/
|
|
static int btl_openib_component_progress(void)
|
|
{
|
|
int i, j, c;
|
|
int count = 0, ret;
|
|
mca_btl_openib_frag_t* frag;
|
|
mca_btl_openib_endpoint_t* endpoint;
|
|
|
|
/* Poll for RDMA completions - if any succeed, we don't process the slower
|
|
* queues.
|
|
*/
|
|
for(i = 0; i < mca_btl_openib_component.ib_num_btls; i++) {
|
|
mca_btl_openib_module_t* openib_btl = &mca_btl_openib_component.openib_btls[i];
|
|
|
|
c = openib_btl->eager_rdma_buffers_count;
|
|
|
|
for(j = 0; j < c; j++) {
|
|
endpoint =
|
|
orte_pointer_array_get_item(openib_btl->eager_rdma_buffers, j);
|
|
|
|
if(!endpoint) /* shouldn't happen */
|
|
continue;
|
|
|
|
OPAL_THREAD_LOCK(&endpoint->eager_rdma_local.lock);
|
|
frag = MCA_BTL_OPENIB_GET_LOCAL_RDMA_FRAG (endpoint,
|
|
endpoint->eager_rdma_local.head);
|
|
|
|
if(MCA_BTL_OPENIB_RDMA_FRAG_LOCAL(frag)) {
|
|
uint32_t size;
|
|
opal_atomic_rmb();
|
|
if(endpoint->nbo) {
|
|
BTL_OPENIB_FOOTER_NTOH((*frag->ftr));
|
|
}
|
|
size = MCA_BTL_OPENIB_RDMA_FRAG_GET_SIZE(frag->ftr);
|
|
#if OMPI_ENABLE_DEBUG
|
|
if (frag->ftr->seq != endpoint->eager_rdma_local.seq)
|
|
BTL_ERROR(("Eager RDMA wrong SEQ: received %d expected %d",
|
|
frag->ftr->seq,
|
|
endpoint->eager_rdma_local.seq));
|
|
endpoint->eager_rdma_local.seq++;
|
|
#endif
|
|
MCA_BTL_OPENIB_RDMA_NEXT_INDEX(endpoint->eager_rdma_local.head);
|
|
|
|
OPAL_THREAD_UNLOCK(&endpoint->eager_rdma_local.lock);
|
|
frag->hdr = (mca_btl_openib_header_t*)(((char*)frag->ftr) -
|
|
size + sizeof(mca_btl_openib_footer_t));
|
|
frag->segment.seg_addr.pval = ((unsigned char* )frag->hdr) +
|
|
sizeof(mca_btl_openib_header_t);
|
|
|
|
ret = btl_openib_handle_incoming(openib_btl,
|
|
frag->endpoint, frag,
|
|
size - sizeof(mca_btl_openib_footer_t),
|
|
BTL_OPENIB_HP_QP);
|
|
if (ret != MPI_SUCCESS) {
|
|
openib_btl->error_cb(&openib_btl->super,
|
|
MCA_BTL_ERROR_FLAGS_FATAL);
|
|
return 0;
|
|
}
|
|
count++;
|
|
} else
|
|
OPAL_THREAD_UNLOCK(&endpoint->eager_rdma_local.lock);
|
|
}
|
|
}
|
|
if(count) return count;
|
|
|
|
for(i = 0; i < mca_btl_openib_component.ib_num_btls; i++) {
|
|
count += btl_openib_module_progress(&mca_btl_openib_component.openib_btls[i]);
|
|
}
|
|
|
|
return count;
|
|
}
|
|
|
|
static int btl_openib_module_progress(mca_btl_openib_module_t* openib_btl)
|
|
{
|
|
static char *qp_name[] = {"HP", "LP"};
|
|
int qp;
|
|
int count = 0,ne = 0, ret;
|
|
mca_btl_openib_frag_t* frag;
|
|
mca_btl_openib_endpoint_t* endpoint;
|
|
struct ibv_wc wc;
|
|
|
|
for(qp = 0; qp < 2; qp++) {
|
|
ne = ibv_poll_cq(openib_btl->ib_cq[qp], 1, &wc);
|
|
|
|
if(0 == ne)
|
|
continue;
|
|
|
|
if(ne < 0 || wc.status != IBV_WC_SUCCESS)
|
|
goto error;
|
|
|
|
frag = (mca_btl_openib_frag_t*) (unsigned long) wc.wr_id;
|
|
endpoint = frag->endpoint;
|
|
/* Handle work completions */
|
|
switch(wc.opcode) {
|
|
case IBV_WC_RDMA_READ:
|
|
assert(BTL_OPENIB_LP_QP == qp);
|
|
OPAL_THREAD_ADD32(&endpoint->get_tokens, 1);
|
|
/* fall through */
|
|
|
|
case IBV_WC_RDMA_WRITE:
|
|
if(BTL_OPENIB_LP_QP == qp) {
|
|
/* process a completed write */
|
|
frag->base.des_cbfunc(&openib_btl->super, endpoint,
|
|
&frag->base, OMPI_SUCCESS);
|
|
|
|
/* return send wqe */
|
|
OPAL_THREAD_ADD32(&endpoint->sd_wqe[qp], 1);
|
|
|
|
/* check for pending frags */
|
|
btl_openib_frag_progress_pending(openib_btl, endpoint, qp);
|
|
|
|
count++;
|
|
break;
|
|
}
|
|
/* fall through for high prio QP */
|
|
case IBV_WC_SEND:
|
|
/* Process a completed send */
|
|
frag->base.des_cbfunc(&openib_btl->super, endpoint, &frag->base,
|
|
OMPI_SUCCESS);
|
|
|
|
/* return send wqe */
|
|
OPAL_THREAD_ADD32(&endpoint->sd_wqe[qp], 1);
|
|
if(mca_btl_openib_component.use_srq)
|
|
OPAL_THREAD_ADD32(&openib_btl->sd_tokens[qp], 1);
|
|
/* check to see if we need to progress any pending descriptors */
|
|
btl_openib_frag_progress_pending(openib_btl, endpoint, qp);
|
|
|
|
/* check to see if we need to return credits */
|
|
if(btl_openib_check_send_credits(endpoint, qp)) {
|
|
mca_btl_openib_endpoint_send_credits(endpoint, qp);
|
|
}
|
|
|
|
count++;
|
|
break;
|
|
|
|
case IBV_WC_RECV:
|
|
if(wc.wc_flags & IBV_WC_WITH_IMM) {
|
|
endpoint = (mca_btl_openib_endpoint_t*)
|
|
orte_pointer_array_get_item(openib_btl->endpoints,
|
|
wc.imm_data);
|
|
frag->endpoint = endpoint;
|
|
}
|
|
/* Process a RECV */
|
|
ret = btl_openib_handle_incoming(openib_btl, endpoint, frag,
|
|
wc.byte_len, qp);
|
|
if (ret != OMPI_SUCCESS) {
|
|
openib_btl->error_cb(&openib_btl->super,
|
|
MCA_BTL_ERROR_FLAGS_FATAL);
|
|
return 0;
|
|
}
|
|
count++;
|
|
break;
|
|
|
|
default:
|
|
BTL_ERROR(("Unhandled work completion opcode is %d",
|
|
wc.opcode));
|
|
openib_btl->error_cb(&openib_btl->super,
|
|
MCA_BTL_ERROR_FLAGS_FATAL);
|
|
break;
|
|
}
|
|
}
|
|
return count;
|
|
error:
|
|
if(ne < 0){
|
|
BTL_ERROR(("error polling %s CQ with %d errno says %s\n",
|
|
qp_name[qp], ne, strerror(errno)));
|
|
} else {
|
|
static int flush_err_printed[] = {0, 0};
|
|
ompi_proc_t* remote_proc = NULL;
|
|
frag = (mca_btl_openib_frag_t*) (unsigned long) wc.wr_id;
|
|
if(frag) {
|
|
endpoint = (mca_btl_openib_endpoint_t*) frag->endpoint;
|
|
if(endpoint &&
|
|
endpoint->endpoint_proc &&
|
|
endpoint->endpoint_proc->proc_ompi) {
|
|
remote_proc = endpoint->endpoint_proc->proc_ompi;
|
|
}
|
|
}
|
|
if(wc.status != IBV_WC_WR_FLUSH_ERR || !flush_err_printed[qp]++)
|
|
BTL_PEER_ERROR(remote_proc, ("error polling %s CQ with status %s "
|
|
"status number %d for wr_id %llu opcode %d",
|
|
qp_name[qp],
|
|
btl_openib_component_status_to_string(wc.status),
|
|
wc.status, wc.wr_id, wc.opcode));
|
|
if(wc.status == IBV_WC_RETRY_EXC_ERR) {
|
|
opal_show_help("help-mpi-btl-openib.txt",
|
|
"btl_openib:retry-exceeded", true);
|
|
}
|
|
}
|
|
openib_btl->error_cb(&openib_btl->super, MCA_BTL_ERROR_FLAGS_FATAL);
|
|
return count;
|
|
}
|