1691 строка
63 KiB
C
1691 строка
63 KiB
C
/*
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* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2005 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* Copyright (c) 2006-2007 Cisco Systems, Inc. All rights reserved.
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* Copyright (c) 2006-2007 Mellanox Technologies. 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/util/argv.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 <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, uint16_t pkey_index,
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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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static int get_port_list(mca_btl_openib_hca_t *hca, int *allowed_ports);
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#if OMPI_HAVE_POSIX_THREADS
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void* btl_openib_async_thread(void *one_hca);
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#endif
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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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/* The component is not checkpoint ready */
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MCA_BASE_METADATA_PARAM_NONE
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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\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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));
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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\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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));
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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.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 inline int param_register_int(const char* param_name, int default_value)
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{
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int param_value = default_value;
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int id = mca_base_param_register_int("btl", "openib", param_name, NULL,
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default_value);
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mca_base_param_lookup_int(id, ¶m_value);
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return param_value;
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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, uint16_t pkey_index,
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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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char param[40];
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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->pkey_index = pkey_index;
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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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/* Check bandwidth configured for this HCA */
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sprintf(param, "bandwidth_%s", ibv_get_device_name(hca->ib_dev));
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openib_btl->super.btl_bandwidth =
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param_register_int(param, openib_btl->super.btl_bandwidth);
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/* Check bandwidth configured for this HCA/port */
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sprintf(param, "bandwidth_%s:%d", ibv_get_device_name(hca->ib_dev),
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port_num);
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openib_btl->super.btl_bandwidth =
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param_register_int(param, openib_btl->super.btl_bandwidth);
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/* Check bandwidth configured for this HCA/port/LID */
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sprintf(param, "bandwidth_%s:%d:%d",
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ibv_get_device_name(hca->ib_dev), port_num, lid);
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openib_btl->super.btl_bandwidth =
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param_register_int(param, openib_btl->super.btl_bandwidth);
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/* Check latency configured for this HCA */
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sprintf(param, "latency_%s", ibv_get_device_name(hca->ib_dev));
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openib_btl->super.btl_latency =
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param_register_int(param, openib_btl->super.btl_latency);
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/* Check latency configured for this HCA/port */
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sprintf(param, "latency_%s:%d", ibv_get_device_name(hca->ib_dev),
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port_num);
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openib_btl->super.btl_latency =
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param_register_int(param, openib_btl->super.btl_latency);
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/* Check latency configured for this HCA/port/LID */
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sprintf(param, "latency_%s:%d:%d", ibv_get_device_name(hca->ib_dev),
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port_num, lid);
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openib_btl->super.btl_latency =
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param_register_int(param, openib_btl->super.btl_latency);
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/* Auto-detect the port bandwidth */
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if (0 == openib_btl->super.btl_bandwidth) {
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/* To calculate the bandwidth available on this port,
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we have to look up the values corresponding to
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port->active_speed and port->active_width. These
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are enums corresponding to the IB spec. Overall
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forumula is 80% of the reported speed (to get the
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true link speed) times the number of links. */
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switch (ib_port_attr->active_speed) {
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case 1:
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/* 2.5Gbps * 0.8, in megabits */
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openib_btl->super.btl_bandwidth = 2000;
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break;
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case 2:
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/* 5.0Gbps * 0.8, in megabits */
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openib_btl->super.btl_bandwidth = 4000;
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break;
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case 4:
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/* 10.0Gbps * 0.8, in megabits */
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openib_btl->super.btl_bandwidth = 8000;
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break;
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default:
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|
/* Who knows? */
|
|
return OMPI_ERR_VALUE_OUT_OF_BOUNDS;
|
|
}
|
|
switch (ib_port_attr->active_width) {
|
|
case 1:
|
|
/* 1x */
|
|
/* unity */
|
|
break;
|
|
case 2:
|
|
/* 4x */
|
|
openib_btl->super.btl_bandwidth *= 4;
|
|
break;
|
|
case 4:
|
|
/* 8x */
|
|
openib_btl->super.btl_bandwidth *= 8;
|
|
break;
|
|
case 8:
|
|
/* 12x */
|
|
openib_btl->super.btl_bandwidth *= 12;
|
|
break;
|
|
default:
|
|
/* Who knows? */
|
|
return OMPI_ERR_VALUE_OUT_OF_BOUNDS;
|
|
}
|
|
}
|
|
opal_list_append(btl_list, (opal_list_item_t*) ib_selected);
|
|
hca->btls++;
|
|
++mca_btl_openib_component.ib_num_btls;
|
|
if (-1 != mca_btl_openib_component.ib_max_btls &&
|
|
mca_btl_openib_component.ib_num_btls >=
|
|
mca_btl_openib_component.ib_max_btls) {
|
|
return OMPI_ERR_VALUE_OUT_OF_BOUNDS;
|
|
}
|
|
}
|
|
}
|
|
|
|
return OMPI_SUCCESS;
|
|
}
|
|
|
|
static int init_one_hca(opal_list_t *btl_list, struct ibv_device* ib_dev)
|
|
{
|
|
struct mca_mpool_base_resources_t mpool_resources;
|
|
mca_btl_openib_hca_t *hca;
|
|
uint8_t i, k = 0;
|
|
int ret = -1, port_cnt;
|
|
ompi_btl_openib_ini_values_t values, default_values;
|
|
int *allowed_ports = NULL;
|
|
|
|
hca = malloc(sizeof(mca_btl_openib_hca_t));
|
|
if(NULL == hca){
|
|
BTL_ERROR(("Failed malloc: %s:%d\n", __FILE__, __LINE__));
|
|
return OMPI_ERR_OUT_OF_RESOURCE;
|
|
}
|
|
|
|
hca->ib_dev = ib_dev;
|
|
hca->ib_dev_context = ibv_open_device(ib_dev);
|
|
hca->btls = 0;
|
|
OBJ_CONSTRUCT(&hca->hca_lock, opal_mutex_t);
|
|
if(NULL == hca->ib_dev_context){
|
|
BTL_ERROR(("error obtaining device context for %s errno says %s\n",
|
|
ibv_get_device_name(ib_dev), strerror(errno)));
|
|
goto free_hca;
|
|
}
|
|
|
|
if(ibv_query_device(hca->ib_dev_context, &hca->ib_dev_attr)){
|
|
BTL_ERROR(("error obtaining device attributes for %s errno says %s\n",
|
|
ibv_get_device_name(ib_dev), strerror(errno)));
|
|
goto close_hca;
|
|
}
|
|
/* If mca_btl_if_include/exclude were specified, get usable ports */
|
|
allowed_ports = (int*) malloc(hca->ib_dev_attr.phys_port_cnt * sizeof(int));
|
|
port_cnt = get_port_list(hca, allowed_ports);
|
|
if(0 == port_cnt) {
|
|
ret = OMPI_SUCCESS;
|
|
goto close_hca;
|
|
}
|
|
/* Load in vendor/part-specific HCA parameters. Note that even if
|
|
we don't find values for this vendor/part, "values" will be set
|
|
indicating that it does not have good values */
|
|
ret = ompi_btl_openib_ini_query(hca->ib_dev_attr.vendor_id,
|
|
hca->ib_dev_attr.vendor_part_id,
|
|
&values);
|
|
if (OMPI_SUCCESS != ret && OMPI_ERR_NOT_FOUND != ret) {
|
|
/* If we get a serious error, propagate it upwards */
|
|
goto close_hca;
|
|
}
|
|
if (OMPI_ERR_NOT_FOUND == ret) {
|
|
/* If we didn't find a matching HCA in the INI files, output a
|
|
warning that we're using default values (unless overridden
|
|
that we don't want to see these warnings) */
|
|
if (mca_btl_openib_component.warn_no_hca_params_found) {
|
|
opal_show_help("help-mpi-btl-openib.txt",
|
|
"no hca params found", true,
|
|
orte_system_info.nodename,
|
|
hca->ib_dev_attr.vendor_id,
|
|
hca->ib_dev_attr.vendor_part_id);
|
|
}
|
|
}
|
|
/* Note that even if we don't find default values, "values" will
|
|
be set indicating that it does not have good values */
|
|
ret = ompi_btl_openib_ini_query(0, 0, &default_values);
|
|
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 (i >= 1) */
|
|
for(k = 0; k < port_cnt; k++){
|
|
struct ibv_port_attr ib_port_attr;
|
|
i = allowed_ports[k];
|
|
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){
|
|
|
|
if (0 == mca_btl_openib_component.ib_pkey_val) {
|
|
ret = init_one_port(btl_list, hca, i, mca_btl_openib_component.ib_pkey_ix,
|
|
&ib_port_attr);
|
|
}
|
|
else {
|
|
uint16_t pkey,j;
|
|
for (j=0; j < hca->ib_dev_attr.max_pkeys; j++) {
|
|
ibv_query_pkey(hca->ib_dev_context, i, j, &pkey);
|
|
pkey=ntohs(pkey);
|
|
if(pkey == mca_btl_openib_component.ib_pkey_val){
|
|
ret = init_one_port(btl_list, hca, i, j, &ib_port_attr);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
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
|
|
hca->got_fatal_event=false;
|
|
#if OMPI_HAVE_POSIX_THREADS
|
|
/* Starting async event thread */
|
|
ret = pthread_create(&hca->async_thread,NULL,
|
|
(void*(*)(void*))btl_openib_async_thread,hca);
|
|
if (ret != 0) {
|
|
#if OMPI_ENABLE_PROGRESS_THREADS == 1
|
|
/* Failed to create async thread. Cancel the progress
|
|
* and exit
|
|
*/
|
|
if (pthread_cancel(hca->thread.t_handle)) {
|
|
BTL_ERROR(("Failed to cancel OpenIB progress thread"));
|
|
}
|
|
opal_thread_join(&hca->thread, NULL);
|
|
#endif
|
|
BTL_ERROR(("Failed to create asyn thread for openib"));
|
|
ret = OMPI_ERROR;
|
|
} else {
|
|
return OMPI_SUCCESS;
|
|
}
|
|
#else
|
|
return OMPI_SUCCESS;
|
|
#endif
|
|
}
|
|
|
|
#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);
|
|
if(NULL != allowed_ports) {
|
|
free(allowed_ports);
|
|
}
|
|
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 !defined(HAVE_IBV_GET_DEVICE_LIST)
|
|
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())) {
|
|
goto no_btls;
|
|
}
|
|
#if OMPI_HAVE_POSIX_THREADS
|
|
/* Set the fatal counter to zero */
|
|
mca_btl_openib_component.fatal_counter = 0;
|
|
#endif
|
|
|
|
/* If we want fork support, try to enable it */
|
|
#ifdef HAVE_IBV_FORK_INIT
|
|
if (0 != mca_btl_openib_component.want_fork_support) {
|
|
if (0 != ibv_fork_init()) {
|
|
/* If the want_fork_support MCA parameter is >0, then the
|
|
user was specifically asking for fork support and we
|
|
couldn't provide it. So print an error and deactivate
|
|
this BTL. */
|
|
if (mca_btl_openib_component.want_fork_support > 0) {
|
|
opal_show_help("help-mpi-btl-openib.txt",
|
|
"ibv_fork_init fail", true,
|
|
orte_system_info.nodename);
|
|
goto no_btls;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/* Parse the include and exclude lists, checking for errors */
|
|
|
|
mca_btl_openib_component.if_include_list =
|
|
mca_btl_openib_component.if_exclude_list =
|
|
mca_btl_openib_component.if_list = NULL;
|
|
if (NULL != mca_btl_openib_component.if_include &&
|
|
NULL != mca_btl_openib_component.if_exclude) {
|
|
opal_show_help("help-mpi-btl-openib.txt",
|
|
"specified include and exclude", true,
|
|
mca_btl_openib_component.if_include,
|
|
mca_btl_openib_component.if_exclude, NULL);
|
|
goto no_btls;
|
|
} else if (NULL != mca_btl_openib_component.if_include) {
|
|
mca_btl_openib_component.if_include_list =
|
|
opal_argv_split(mca_btl_openib_component.if_include, ',');
|
|
mca_btl_openib_component.if_list =
|
|
opal_argv_copy(mca_btl_openib_component.if_include_list);
|
|
} else if (NULL != mca_btl_openib_component.if_exclude) {
|
|
mca_btl_openib_component.if_exclude_list =
|
|
opal_argv_split(mca_btl_openib_component.if_exclude, ',');
|
|
mca_btl_openib_component.if_list =
|
|
opal_argv_copy(mca_btl_openib_component.if_exclude_list);
|
|
}
|
|
|
|
#ifdef HAVE_IBV_GET_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 !defined(HAVE_IBV_GET_DEVICE_LIST)
|
|
/* 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 we got back from checking all the HCAs and find that there
|
|
are still items in the component.if_list, that means that they
|
|
didn't exist. Show an appropriate warning if the warning was
|
|
not disabled. */
|
|
|
|
if (0 != opal_argv_count(mca_btl_openib_component.if_list) &&
|
|
mca_btl_openib_component.warn_nonexistent_if) {
|
|
char *str = opal_argv_join(mca_btl_openib_component.if_list, ',');
|
|
opal_show_help("help-mpi-btl-openib.txt", "nonexistent port",
|
|
true, orte_system_info.nodename,
|
|
((NULL != mca_btl_openib_component.if_include) ?
|
|
"in" : "ex"), str);
|
|
free(str);
|
|
}
|
|
|
|
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 = (struct mca_btl_base_module_t **)malloc(mca_btl_openib_component.ib_num_btls *
|
|
sizeof(struct mca_btl_base_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;
|
|
mca_btl_openib_component.openib_btls[i] = (mca_btl_openib_module_t*)ib_selected->btl_module;
|
|
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;
|
|
if(mca_btl_openib_component.use_srq) {
|
|
openib_btl->sd_credits[BTL_OPENIB_HP_QP] =
|
|
openib_btl->sd_credits[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[BTL_OPENIB_HP_QP], ompi_free_list_t);
|
|
OBJ_CONSTRUCT(&openib_btl->send_free[BTL_OPENIB_LP_QP], 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[BTL_OPENIB_HP_QP], ompi_free_list_t);
|
|
OBJ_CONSTRUCT(&openib_btl->recv_free[BTL_OPENIB_LP_QP], ompi_free_list_t);
|
|
OBJ_CONSTRUCT(&openib_btl->recv_free_frag, 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_send_frag_eager_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(
|
|
sizeof(mca_btl_openib_header_t) +
|
|
sizeof(mca_btl_openib_footer_t) +
|
|
openib_btl->super.btl_eager_limit,
|
|
mca_btl_openib_component.buffer_alignment, size_t);
|
|
|
|
ompi_free_list_init_ex(&openib_btl->send_free[BTL_OPENIB_HP_QP],
|
|
length,
|
|
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);
|
|
|
|
length = sizeof(mca_btl_openib_recv_frag_eager_t) +
|
|
sizeof(mca_btl_openib_header_t) +
|
|
sizeof(mca_btl_openib_footer_t) +
|
|
openib_btl->super.btl_eager_limit;
|
|
|
|
ompi_free_list_init_ex(&openib_btl->recv_free[BTL_OPENIB_HP_QP],
|
|
length,
|
|
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_send_frag_max_t) +
|
|
sizeof(mca_btl_openib_header_t) +
|
|
openib_btl->super.btl_max_send_size;
|
|
|
|
ompi_free_list_init_ex(&openib_btl->send_free[BTL_OPENIB_LP_QP],
|
|
length,
|
|
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);
|
|
|
|
length = sizeof(mca_btl_openib_recv_frag_max_t) +
|
|
sizeof(mca_btl_openib_header_t) +
|
|
openib_btl->super.btl_max_send_size;
|
|
|
|
/* Initialize pool of receive fragments */
|
|
ompi_free_list_init_ex(&openib_btl->recv_free[BTL_OPENIB_LP_QP],
|
|
length,
|
|
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_send_frag_control_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,
|
|
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);
|
|
|
|
ompi_free_list_init(&openib_btl->recv_free_frag,
|
|
length,
|
|
OBJ_CLASS(mca_btl_openib_recv_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;
|
|
#ifdef HAVE_IBV_GET_DEVICE_LIST
|
|
ibv_free_device_list(ib_devs);
|
|
#else
|
|
free(ib_devs);
|
|
#endif
|
|
if (NULL != mca_btl_openib_component.if_include_list) {
|
|
opal_argv_free(mca_btl_openib_component.if_include_list);
|
|
mca_btl_openib_component.if_include_list = NULL;
|
|
}
|
|
if (NULL != mca_btl_openib_component.if_exclude_list) {
|
|
opal_argv_free(mca_btl_openib_component.if_exclude_list);
|
|
mca_btl_openib_component.if_exclude_list = NULL;
|
|
}
|
|
return btls;
|
|
|
|
no_btls:
|
|
/* If we fail early enough in the setup, we just modex around that
|
|
there are no openib BTL's in this process and return NULL. */
|
|
|
|
mca_btl_openib_component.ib_num_btls = 0;
|
|
btl_openib_modex_send();
|
|
return NULL;
|
|
}
|
|
|
|
|
|
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)));
|
|
}
|
|
|
|
free_list = &openib_btl->recv_free[prio];
|
|
|
|
/* 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_credits[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 EXCEEDED 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;
|
|
}
|
|
}
|
|
|
|
#define BTL_OPENIB_TOKENS(E, P) ((E)->sd_credits[(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(mca_btl_openib_endpoint_send(frag->endpoint, 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(mca_btl_openib_get((mca_btl_base_module_t *)openib_btl,
|
|
frag->endpoint, (mca_btl_base_descriptor_t*)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(mca_btl_openib_put((mca_btl_base_module_t*)openib_btl,
|
|
frag->endpoint, (mca_btl_base_descriptor_t*)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_credits[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(mca_btl_openib_endpoint_send(frag->endpoint, frag) ==
|
|
OMPI_ERR_OUT_OF_RESOURCE)
|
|
break;
|
|
}
|
|
}
|
|
|
|
#if OMPI_HAVE_POSIX_THREADS
|
|
void* btl_openib_async_thread(void *one_hca)
|
|
{
|
|
struct ibv_async_event event;
|
|
struct mca_btl_openib_hca_t *hca = (struct mca_btl_openib_hca_t *)one_hca;
|
|
/* This thread enter in a cancel enabled state */
|
|
pthread_setcancelstate(PTHREAD_CANCEL_ENABLE,NULL);
|
|
pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS,NULL);
|
|
while (1) {
|
|
if (ibv_get_async_event((struct ibv_context *)hca->ib_dev_context,
|
|
&event)) {
|
|
BTL_ERROR(("Failed to get async event"));
|
|
}
|
|
switch(event.event_type) {
|
|
/* Fatal */
|
|
case IBV_EVENT_CQ_ERR:
|
|
case IBV_EVENT_QP_FATAL:
|
|
case IBV_EVENT_QP_REQ_ERR:
|
|
case IBV_EVENT_QP_ACCESS_ERR:
|
|
case IBV_EVENT_PATH_MIG:
|
|
case IBV_EVENT_PATH_MIG_ERR:
|
|
case IBV_EVENT_DEVICE_FATAL:
|
|
case IBV_EVENT_SRQ_ERR:
|
|
BTL_ERROR(( "Openib got FATAL event %d",event.event_type));
|
|
/* Set the flag to fatal */
|
|
hca->got_fatal_event=true;
|
|
/* It is not critical to protect the counter */
|
|
OPAL_THREAD_ADD32(&mca_btl_openib_component.fatal_counter, 1);
|
|
break;
|
|
case IBV_EVENT_PORT_ERR:
|
|
BTL_ERROR(( "Openib got port ERROR event %d",event.event_type));
|
|
break;
|
|
case IBV_EVENT_COMM_EST:
|
|
case IBV_EVENT_PORT_ACTIVE:
|
|
case IBV_EVENT_SQ_DRAINED:
|
|
case IBV_EVENT_LID_CHANGE:
|
|
case IBV_EVENT_PKEY_CHANGE:
|
|
case IBV_EVENT_SM_CHANGE:
|
|
case IBV_EVENT_QP_LAST_WQE_REACHED:
|
|
#if HAVE_DECL_IBV_EVENT_CLIENT_REREGISTER
|
|
case IBV_EVENT_CLIENT_REREGISTER:
|
|
#endif
|
|
break;
|
|
case IBV_EVENT_SRQ_LIMIT_REACHED:
|
|
BTL_ERROR(("Got SRQ limit event %d",event.event_type));
|
|
break;
|
|
default:
|
|
BTL_ERROR(("Got unknown event %d.Continuing...",event.event_type));
|
|
|
|
}
|
|
ibv_ack_async_event(&event);
|
|
}
|
|
return PTHREAD_CANCELED;
|
|
}
|
|
#endif
|
|
|
|
#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;
|
|
|
|
#if OMPI_HAVE_POSIX_THREADS
|
|
if(mca_btl_openib_component.fatal_counter) {
|
|
goto error;
|
|
}
|
|
#endif
|
|
|
|
/* 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;
|
|
|
|
#if OMPI_HAVE_POSIX_THREADS
|
|
error:
|
|
/* Set the fatal counter to zero */
|
|
mca_btl_openib_component.fatal_counter = 0;
|
|
/* Lets found all fatal events */
|
|
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];
|
|
if(openib_btl->hca->got_fatal_event) {
|
|
openib_btl->error_cb(&openib_btl->super, MCA_BTL_ERROR_FLAGS_FATAL);
|
|
}
|
|
}
|
|
return count;
|
|
#endif
|
|
}
|
|
|
|
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_credits[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;
|
|
}
|
|
|
|
static int
|
|
get_port_list(mca_btl_openib_hca_t *hca, int *allowed_ports)
|
|
{
|
|
int i, j, k, num_ports = 0;
|
|
const char *dev_name;
|
|
char *name;
|
|
|
|
dev_name = ibv_get_device_name(hca->ib_dev);
|
|
name = (char*) malloc(strlen(dev_name) + 4);
|
|
if (NULL == name) {
|
|
return 0;
|
|
}
|
|
|
|
/* Assume that all ports are allowed. num_ports will be adjusted
|
|
below to reflect whether this is true or not. */
|
|
for (i = 1; i <= hca->ib_dev_attr.phys_port_cnt; ++i) {
|
|
allowed_ports[num_ports++] = i;
|
|
}
|
|
num_ports = 0;
|
|
if (NULL != mca_btl_openib_component.if_include_list) {
|
|
/* If only the HCA name is given (eg. mthca0,mthca1) use all
|
|
ports */
|
|
i = 0;
|
|
while (mca_btl_openib_component.if_include_list[i]) {
|
|
if (0 == strcmp(dev_name,
|
|
mca_btl_openib_component.if_include_list[i])) {
|
|
num_ports = hca->ib_dev_attr.phys_port_cnt;
|
|
goto done;
|
|
}
|
|
++i;
|
|
}
|
|
/* Include only requested ports on the HCA */
|
|
for (i = 1; i <= hca->ib_dev_attr.phys_port_cnt; ++i) {
|
|
sprintf(name,"%s:%d",dev_name,i);
|
|
for (j = 0;
|
|
NULL != mca_btl_openib_component.if_include_list[j]; ++j) {
|
|
if (0 == strcmp(name,
|
|
mca_btl_openib_component.if_include_list[j])) {
|
|
allowed_ports[num_ports++] = i;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
} else if (NULL != mca_btl_openib_component.if_exclude_list) {
|
|
/* If only the HCA name is given (eg. mthca0,mthca1) exclude
|
|
all ports */
|
|
i = 0;
|
|
while (mca_btl_openib_component.if_exclude_list[i]) {
|
|
if (0 == strcmp(dev_name,
|
|
mca_btl_openib_component.if_exclude_list[i])) {
|
|
num_ports = 0;
|
|
goto done;
|
|
}
|
|
++i;
|
|
}
|
|
/* Exclude the specified ports on this HCA */
|
|
for (i = 1; i <= hca->ib_dev_attr.phys_port_cnt; ++i) {
|
|
sprintf(name,"%s:%d",dev_name,i);
|
|
for (j = 0;
|
|
NULL != mca_btl_openib_component.if_exclude_list[j]; ++j) {
|
|
if (0 == strcmp(name,
|
|
mca_btl_openib_component.if_exclude_list[j])) {
|
|
/* If found, set a sentinel value */
|
|
j = -1;
|
|
break;
|
|
}
|
|
}
|
|
/* If we didn't find it, it's ok to include in the list */
|
|
if (-1 != j) {
|
|
allowed_ports[num_ports++] = i;
|
|
}
|
|
}
|
|
} else {
|
|
num_ports = hca->ib_dev_attr.phys_port_cnt;
|
|
}
|
|
|
|
done:
|
|
|
|
/* Remove the following from the error-checking if_list:
|
|
- bare device name
|
|
- device name suffixed with port number */
|
|
if (NULL != mca_btl_openib_component.if_list) {
|
|
for (i = 0; NULL != mca_btl_openib_component.if_list[i]; ++i) {
|
|
|
|
/* Look for raw device name */
|
|
if (0 == strcmp(mca_btl_openib_component.if_list[i], dev_name)) {
|
|
j = opal_argv_count(mca_btl_openib_component.if_list);
|
|
opal_argv_delete(&j, &(mca_btl_openib_component.if_list),
|
|
i, 1);
|
|
--i;
|
|
}
|
|
}
|
|
for (i = 1; i <= hca->ib_dev_attr.phys_port_cnt; ++i) {
|
|
sprintf(name, "%s:%d", dev_name, i);
|
|
for (j = 0; NULL != mca_btl_openib_component.if_list[j]; ++j) {
|
|
if (0 == strcmp(mca_btl_openib_component.if_list[j], name)) {
|
|
k = opal_argv_count(mca_btl_openib_component.if_list);
|
|
opal_argv_delete(&k, &(mca_btl_openib_component.if_list),
|
|
j, 1);
|
|
--j;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
free(name);
|
|
|
|
return num_ports;
|
|
}
|