799 строки
34 KiB
C
799 строки
34 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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* $COPYRIGHT$
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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 <unistd.h>
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#include "ompi/include/constants.h"
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#include "opal/event/event.h"
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#include "opal/include/sys/timer.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 "mca/pml/pml.h"
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#include "mca/btl/btl.h"
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#include "mca/base/mca_base_param.h"
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#include "mca/errmgr/errmgr.h"
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#include "mca/mpool/base/base.h"
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#include "btl_mvapi.h"
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#include "btl_mvapi_frag.h"
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#include "btl_mvapi_endpoint.h"
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#include "mca/btl/base/base.h"
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#include <vapi.h>
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#include <vapi_common.h>
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#include "datatype/convertor.h"
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#include "mca/mpool/mvapi/mpool_mvapi.h"
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#include "btl_mvapi_endpoint.h"
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#include "mca/pml/base/pml_base_module_exchange.h"
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#include <malloc.h>
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mca_btl_mvapi_component_t mca_btl_mvapi_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_0,
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"mvapi", /* MCA component name */
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OMPI_MAJOR_VERSION, /* MCA component major version */
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OMPI_MINOR_VERSION, /* MCA component minor version */
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OMPI_RELEASE_VERSION, /* MCA component release version */
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mca_btl_mvapi_component_open, /* component open */
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mca_btl_mvapi_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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mca_btl_mvapi_component_init,
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mca_btl_mvapi_component_progress,
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}
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};
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/*
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* utility routines for parameter registration
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*/
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static inline void mca_btl_mvapi_param_register_string(
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const char* param_name,
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const char* param_desc,
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const char* default_value,
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char** out_value)
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{
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mca_base_param_reg_string(&mca_btl_mvapi_component.super.btl_version,
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param_name,
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param_desc,
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false,
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false,
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default_value,
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out_value);
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}
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static inline void mca_btl_mvapi_param_register_int(
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const char* param_name,
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const char* param_desc,
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int default_value,
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int* out_value)
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{
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mca_base_param_reg_int(&mca_btl_mvapi_component.super.btl_version,
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param_name,
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param_desc,
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false,
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false,
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default_value,
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out_value);
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}
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/*
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* Called by MCA framework to open the component, registers
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* component parameters.
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*/
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int mca_btl_mvapi_component_open(void)
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{
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int param, value;
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/* initialize state */
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mca_btl_mvapi_component.ib_num_btls=0;
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mca_btl_mvapi_component.mvapi_btls=NULL;
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/* initialize objects */
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OBJ_CONSTRUCT(&mca_btl_mvapi_component.ib_procs, opal_list_t);
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/* register IB component parameters */
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mca_btl_mvapi_param_register_int ("free_list_num", "intial size of free lists",
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8, &mca_btl_mvapi_component.ib_free_list_num);
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mca_btl_mvapi_param_register_int ("free_list_max", "maximum size of free lists",
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-1, &mca_btl_mvapi_component.ib_free_list_max);
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mca_btl_mvapi_param_register_int ("free_list_inc", "increment size of free lists",
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32, &mca_btl_mvapi_component.ib_free_list_inc);
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mca_btl_mvapi_param_register_string("mpool", "name of the memory pool to be used",
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"mvapi", &mca_btl_mvapi_component.ib_mpool_name);
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mca_btl_mvapi_param_register_int("reg_mru_len", "length of the registration cache most recently used list",
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16, (int*) &mca_btl_mvapi_component.reg_mru_len);
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mca_btl_mvapi_param_register_int("use_srq", "if 1 use the IB shared receive queue to post receive descriptors",
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0, (int*) &mca_btl_mvapi_component.use_srq);
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mca_btl_mvapi_param_register_int("ib_cq_size", "size of the IB completion queue",
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10000, (int*) &mca_btl_mvapi_component.ib_cq_size);
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mca_btl_mvapi_param_register_int("ib_wq_size", "size of the IB work queue",
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10000, (int*) &mca_btl_mvapi_component.ib_wq_size);
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mca_btl_mvapi_param_register_int("ib_sg_list_size", "size of IB segment list",
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1, (int*) &mca_btl_mvapi_component.ib_sg_list_size);
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mca_btl_mvapi_param_register_int("ib_pkey_ix", "IB pkey index",
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0, (int*) &mca_btl_mvapi_component.ib_pkey_ix);
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mca_btl_mvapi_param_register_int("ib_psn", "IB Packet sequence starting number",
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0, (int*) &mca_btl_mvapi_component.ib_psn);
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mca_btl_mvapi_param_register_int("ib_qp_ous_rd_atom", "IB outstanding atomic reads",
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4, (int*) &mca_btl_mvapi_component.ib_qp_ous_rd_atom);
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mca_btl_mvapi_param_register_int("ib_mtu", "IB MTU",
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MTU1024, (int*) &mca_btl_mvapi_component.ib_mtu);
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mca_btl_mvapi_param_register_int("ib_min_rnr_timer", "IB min rnr timer",
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5, (int*) &mca_btl_mvapi_component.ib_min_rnr_timer);
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mca_btl_mvapi_param_register_int("ib_timeout", "IB transmit timeout",
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10, (int*) &mca_btl_mvapi_component.ib_timeout);
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mca_btl_mvapi_param_register_int("ib_retry_count", "IB transmit retry count",
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7, (int*) &mca_btl_mvapi_component.ib_retry_count);
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mca_btl_mvapi_param_register_int("ib_rnr_retry", "IB rnr retry",
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7, (int*) &mca_btl_mvapi_component.ib_rnr_retry);
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mca_btl_mvapi_param_register_int("ib_max_rdma_dst_ops", "IB max rdma destination operations",
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16, (int*) &mca_btl_mvapi_component.ib_max_rdma_dst_ops);
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mca_btl_mvapi_param_register_int("ib_service_level", "IB service level",
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0, (int*) &mca_btl_mvapi_component.ib_service_level);
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mca_btl_mvapi_param_register_int("ib_static_rate", "IB static rate",
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0, (int*) &mca_btl_mvapi_component.ib_static_rate);
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mca_btl_mvapi_param_register_int("ib_src_path_bits", "IB source path bits",
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0, (int*) &mca_btl_mvapi_component.ib_src_path_bits);
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mca_btl_mvapi_param_register_int("rd_num", "number of receive descriptors to post to a QP",
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16, (int*) &mca_btl_mvapi_component.rd_num);
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mca_btl_mvapi_param_register_int("rd_low", "low water mark before reposting occurs",
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12, (int*) &mca_btl_mvapi_component.rd_low);
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mca_btl_mvapi_param_register_int("rd_win", "window size at which generate explicity credit message",
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8, (int*) &mca_btl_mvapi_component.rd_win);
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mca_btl_mvapi_component.rd_rsv = ((mca_btl_mvapi_component.rd_num<<1)-1) / mca_btl_mvapi_component.rd_win;
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mca_btl_mvapi_param_register_int("rd_per_peer", "receive descriptors posted per peer, SRQ mode only",
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16, (int*) &mca_btl_mvapi_component.rd_per_peer);
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mca_btl_mvapi_param_register_int ("exclusivity", "BTL exclusivity",
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MCA_BTL_EXCLUSIVITY_DEFAULT, (int*) &mca_btl_mvapi_module.super.btl_exclusivity);
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mca_btl_mvapi_param_register_int ("eager_limit", "eager send limit",
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(32*1024),(int*) &mca_btl_mvapi_module.super.btl_eager_limit);
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mca_btl_mvapi_module.super.btl_eager_limit -= sizeof(mca_btl_mvapi_header_t);
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mca_btl_mvapi_param_register_int ("min_send_size", "minimum send size",
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(32*1024),(int*) &mca_btl_mvapi_module.super.btl_min_send_size);
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mca_btl_mvapi_module.super.btl_min_send_size -= sizeof(mca_btl_mvapi_header_t);
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mca_btl_mvapi_param_register_int ("max_send_size", "maximum send size",
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(64*1024), (int*) &mca_btl_mvapi_module.super.btl_max_send_size);
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mca_btl_mvapi_module.super.btl_max_send_size -= sizeof(mca_btl_mvapi_header_t);
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mca_btl_mvapi_param_register_int("min_rdma_size", "minimum rdma size",
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1024*1024, (int*) &mca_btl_mvapi_module.super.btl_min_rdma_size);
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mca_btl_mvapi_param_register_int("max_rdma_size", "maximium rdma size",
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1024*1024, (int*) &mca_btl_mvapi_module.super.btl_max_rdma_size);
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mca_btl_mvapi_param_register_int("flags", "BTL flags, SEND=0, PUT=1, GET=2",
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MCA_BTL_FLAGS_PUT | MCA_BTL_FLAGS_GET, (int*) &mca_btl_mvapi_module.super.btl_flags);
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mca_btl_mvapi_param_register_int("bandwidth", "Approximate maximum bandwidth of interconnect",
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800, (int*) &mca_btl_mvapi_module.super.btl_bandwidth);
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mca_btl_mvapi_param_register_int("max_wr_sq_tokens", "Maximum number of send/rdma work request tokens",
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16, &mca_btl_mvapi_component.max_wr_sq_tokens);
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mca_btl_mvapi_param_register_int("max_total_wr_sq_tokens", "Maximum number of send/rdma work request tokens peer btl",
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32, &mca_btl_mvapi_component.max_total_wr_sq_tokens);
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param = mca_base_param_find("mpi", NULL, "leave_pinned");
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mca_base_param_lookup_int(param, &value);
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mca_btl_mvapi_component.leave_pinned = value;
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mca_btl_mvapi_component.max_send_size = mca_btl_mvapi_module.super.btl_max_send_size;
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mca_btl_mvapi_component.eager_limit = mca_btl_mvapi_module.super.btl_eager_limit;
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return OMPI_SUCCESS;
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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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int mca_btl_mvapi_component_close(void)
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{
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return OMPI_SUCCESS;
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}
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/*
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* Register MVAPI 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
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mca_btl_mvapi_modex_send(void)
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{
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int rc;
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size_t i;
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size_t size;
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mca_btl_mvapi_port_info_t *ports = NULL;
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size = mca_btl_mvapi_component.ib_num_btls * sizeof (mca_btl_mvapi_port_info_t);
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if (size != 0) {
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ports = (mca_btl_mvapi_port_info_t *)malloc (size);
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if (NULL == ports) {
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return OMPI_ERR_OUT_OF_RESOURCE;
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}
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for (i = 0; i < mca_btl_mvapi_component.ib_num_btls; i++) {
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mca_btl_mvapi_module_t *btl = &mca_btl_mvapi_component.mvapi_btls[i];
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ports[i] = btl->port_info;
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}
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}
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rc = mca_pml_base_modex_send (&mca_btl_mvapi_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 mca_btl_mvapi_control(
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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_mvapi_frag_t* frag = (mca_btl_mvapi_frag_t*)descriptor;
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mca_btl_mvapi_endpoint_t* endpoint = frag->endpoint;
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if(frag->size == mca_btl_mvapi_component.eager_limit) {
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OPAL_THREAD_ADD32(&endpoint->rd_credits_hp, -1);
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} else {
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OPAL_THREAD_ADD32(&endpoint->rd_credits_lp, -1);
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}
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}
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/*
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* IB component initialization:
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* (1) read interface list from kernel and compare against component parameters
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* then create a BTL instance for selected interfaces
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* (2) setup IB listen socket for incoming connection attempts
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* (3) register BTL parameters with the MCA
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*/
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mca_btl_base_module_t** mca_btl_mvapi_component_init(int *num_btl_modules,
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bool enable_progress_threads,
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bool enable_mpi_threads)
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{
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VAPI_ret_t vapi_ret;
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VAPI_hca_id_t* hca_ids;
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VAPI_hca_hndl_t hca_hndl;
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VAPI_hca_vendor_t hca_vendor;
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VAPI_hca_cap_t hca_cap;
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VAPI_hca_port_t hca_port;
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uint32_t num_hcas;
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mca_btl_base_module_t** btls;
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uint32_t i,j, length;
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struct mca_mpool_base_resources_t hca_pd;
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opal_list_t btl_list;
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mca_btl_mvapi_module_t * mvapi_btl;
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mca_btl_base_selected_module_t* ib_selected;
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opal_list_item_t* item;
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#if 0
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/* ugly HACK!! */
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mallopt(M_TRIM_THRESHOLD, -1);
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mallopt(M_MMAP_MAX, 0);
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#endif
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/* initialization */
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*num_btl_modules = 0;
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/* Determine the number of hca's available on the host */
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vapi_ret=EVAPI_list_hcas(0, &num_hcas, NULL);
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if( VAPI_EAGAIN != vapi_ret || 0 == num_hcas ) {
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mca_btl_base_error_no_nics("MVAPI", "HCA");
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mca_btl_mvapi_component.ib_num_btls = 0;
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mca_btl_mvapi_modex_send();
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return NULL;
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}
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/* Allocate space for the hca's */
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hca_ids = (VAPI_hca_id_t*) malloc(num_hcas * sizeof(VAPI_hca_id_t));
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if(NULL == hca_ids) {
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ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
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return NULL;
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}
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/* obtain a list of the hca's on this host */
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vapi_ret=EVAPI_list_hcas(num_hcas, &num_hcas, hca_ids);
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if( VAPI_OK != vapi_ret ) {
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ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
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return NULL;
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}
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/** We must loop through all the hca id's, get there handles and
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for each hca we query the number of ports on the hca and set up
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a distinct btl module for each hca port */
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OBJ_CONSTRUCT(&btl_list, opal_list_t);
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OBJ_CONSTRUCT(&mca_btl_mvapi_component.ib_lock, opal_mutex_t);
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for(i = 0; i < num_hcas; i++){
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vapi_ret = EVAPI_get_hca_hndl(hca_ids[i], &hca_hndl);
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if(VAPI_OK != vapi_ret) {
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BTL_ERROR(("error getting hca handle: %s", VAPI_strerror(vapi_ret)));
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return NULL;
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}
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vapi_ret = VAPI_query_hca_cap(hca_hndl, &hca_vendor, &hca_cap);
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if(VAPI_OK != vapi_ret) {
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BTL_ERROR(("error getting hca properties %s", VAPI_strerror(vapi_ret)));
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return NULL;
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}
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/* Note ports are 1 based hence j = 1 */
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for(j = 1; j <= hca_cap.phys_port_num; j++){
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vapi_ret = VAPI_query_hca_port_prop(hca_hndl, (IB_port_t) j, &hca_port);
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if(VAPI_OK != vapi_ret) {
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BTL_ERROR(("error getting hca port properties %s", VAPI_strerror(vapi_ret)));
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return NULL;
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}
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if( PORT_ACTIVE == hca_port.state ){
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mvapi_btl = (mca_btl_mvapi_module_t*) malloc(sizeof(mca_btl_mvapi_module_t));
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memcpy(mvapi_btl, &mca_btl_mvapi_module, sizeof(mca_btl_mvapi_module));
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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*) mvapi_btl;
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memcpy(mvapi_btl->hca_id, hca_ids[i], sizeof(VAPI_hca_id_t));
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mvapi_btl->nic = hca_hndl;
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mvapi_btl->port_id = (IB_port_t) j;
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mvapi_btl->port = hca_port;
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mvapi_btl->port_info.subnet = hca_port.sm_lid;
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mvapi_btl->ib_reg[MCA_BTL_TAG_BTL].cbfunc = mca_btl_mvapi_control;
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mvapi_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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mca_btl_mvapi_component.ib_num_btls ++;
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}
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}
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}
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if(0 == mca_btl_mvapi_component.ib_num_btls){
|
|
mca_btl_base_error_no_nics("MVAPI", "HCA");
|
|
mca_btl_mvapi_modex_send();
|
|
return NULL;
|
|
}
|
|
/* Allocate space for btl modules */
|
|
mca_btl_mvapi_component.mvapi_btls = (mca_btl_mvapi_module_t*) malloc(sizeof(mca_btl_mvapi_module_t) *
|
|
mca_btl_mvapi_component.ib_num_btls);
|
|
|
|
if(NULL == mca_btl_mvapi_component.mvapi_btls) {
|
|
ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
|
|
return NULL;
|
|
}
|
|
btls = (struct mca_btl_base_module_t**)
|
|
malloc(mca_btl_mvapi_component.ib_num_btls * sizeof(struct mca_btl_mvapi_module_t*));
|
|
if(NULL == btls) {
|
|
ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
|
|
return NULL;
|
|
}
|
|
|
|
|
|
|
|
for(i = 0; i < mca_btl_mvapi_component.ib_num_btls; i++){
|
|
|
|
|
|
item = opal_list_remove_first(&btl_list);
|
|
ib_selected = (mca_btl_base_selected_module_t*)item;
|
|
mvapi_btl = (mca_btl_mvapi_module_t*) ib_selected->btl_module;
|
|
memcpy(&(mca_btl_mvapi_component.mvapi_btls[i]), mvapi_btl , sizeof(mca_btl_mvapi_module_t));
|
|
free(ib_selected);
|
|
free(mvapi_btl);
|
|
|
|
mvapi_btl = &mca_btl_mvapi_component.mvapi_btls[i];
|
|
mvapi_btl->rd_num = mca_btl_mvapi_component.rd_num + mca_btl_mvapi_component.rd_rsv;
|
|
mvapi_btl->rd_low = mca_btl_mvapi_component.rd_low;
|
|
mvapi_btl->num_peers = 0;
|
|
mvapi_btl->sd_tokens_hp = mvapi_btl->sd_tokens_lp = mca_btl_mvapi_component.max_wr_sq_tokens;
|
|
|
|
/* Initialize module state */
|
|
|
|
OBJ_CONSTRUCT(&mvapi_btl->pending_frags_hp, opal_list_t);
|
|
OBJ_CONSTRUCT(&mvapi_btl->pending_frags_lp, opal_list_t);
|
|
|
|
|
|
OBJ_CONSTRUCT(&mvapi_btl->ib_lock, opal_mutex_t);
|
|
OBJ_CONSTRUCT(&mvapi_btl->send_free_eager, ompi_free_list_t);
|
|
OBJ_CONSTRUCT(&mvapi_btl->send_free_max, ompi_free_list_t);
|
|
OBJ_CONSTRUCT(&mvapi_btl->send_free_frag, ompi_free_list_t);
|
|
|
|
OBJ_CONSTRUCT(&mvapi_btl->recv_free_eager, ompi_free_list_t);
|
|
OBJ_CONSTRUCT(&mvapi_btl->recv_free_max, ompi_free_list_t);
|
|
|
|
|
|
OBJ_CONSTRUCT(&mvapi_btl->repost, opal_list_t);
|
|
OBJ_CONSTRUCT(&mvapi_btl->reg_mru_list, opal_list_t);
|
|
|
|
|
|
if(mca_btl_mvapi_module_init(mvapi_btl) != OMPI_SUCCESS) {
|
|
free(hca_ids);
|
|
return NULL;
|
|
}
|
|
|
|
hca_pd.hca = mvapi_btl->nic;
|
|
hca_pd.pd_tag = mvapi_btl->ptag;
|
|
|
|
/* initialize the memory pool using the hca */
|
|
mvapi_btl->super.btl_mpool =
|
|
mca_mpool_base_module_create(mca_btl_mvapi_component.ib_mpool_name,
|
|
&mvapi_btl->super,
|
|
&hca_pd);
|
|
|
|
if(NULL == mvapi_btl->super.btl_mpool) {
|
|
BTL_ERROR(("error creating vapi memory pool! aborting mvapi btl initialization"));
|
|
return NULL;
|
|
}
|
|
/* Initialize pool of send fragments */
|
|
|
|
length = sizeof(mca_btl_mvapi_frag_t) +
|
|
sizeof(mca_btl_mvapi_header_t) +
|
|
mvapi_btl->super.btl_eager_limit+
|
|
2*MCA_BTL_IB_FRAG_ALIGN;
|
|
|
|
ompi_free_list_init(&mvapi_btl->send_free_eager,
|
|
length,
|
|
OBJ_CLASS(mca_btl_mvapi_send_frag_eager_t),
|
|
2*mvapi_btl->rd_num,
|
|
mca_btl_mvapi_component.ib_free_list_max,
|
|
mca_btl_mvapi_component.ib_free_list_inc,
|
|
mvapi_btl->super.btl_mpool);
|
|
|
|
ompi_free_list_init(&mvapi_btl->recv_free_eager,
|
|
length,
|
|
OBJ_CLASS(mca_btl_mvapi_recv_frag_eager_t),
|
|
2*mvapi_btl->rd_num,
|
|
mca_btl_mvapi_component.ib_free_list_max,
|
|
mca_btl_mvapi_component.ib_free_list_inc,
|
|
mvapi_btl->super.btl_mpool);
|
|
|
|
|
|
|
|
length = sizeof(mca_btl_mvapi_frag_t) +
|
|
sizeof(mca_btl_mvapi_header_t) +
|
|
mvapi_btl->super.btl_max_send_size+
|
|
2*MCA_BTL_IB_FRAG_ALIGN;
|
|
|
|
|
|
ompi_free_list_init(&mvapi_btl->send_free_max,
|
|
length,
|
|
OBJ_CLASS(mca_btl_mvapi_send_frag_max_t),
|
|
2*mvapi_btl->rd_num,
|
|
mca_btl_mvapi_component.ib_free_list_max,
|
|
mca_btl_mvapi_component.ib_free_list_inc,
|
|
mvapi_btl->super.btl_mpool);
|
|
|
|
|
|
|
|
/* Initialize pool of receive fragments */
|
|
ompi_free_list_init (&mvapi_btl->recv_free_max,
|
|
length,
|
|
OBJ_CLASS (mca_btl_mvapi_recv_frag_max_t),
|
|
2*mvapi_btl->rd_num,
|
|
mca_btl_mvapi_component.ib_free_list_max,
|
|
mca_btl_mvapi_component.ib_free_list_inc,
|
|
mvapi_btl->super.btl_mpool);
|
|
|
|
|
|
|
|
length = sizeof(mca_btl_mvapi_frag_t) +
|
|
sizeof(mca_btl_mvapi_header_t)+
|
|
2*MCA_BTL_IB_FRAG_ALIGN;
|
|
|
|
|
|
|
|
|
|
ompi_free_list_init(&mvapi_btl->send_free_frag,
|
|
length,
|
|
OBJ_CLASS(mca_btl_mvapi_send_frag_frag_t),
|
|
mca_btl_mvapi_component.ib_free_list_num,
|
|
mca_btl_mvapi_component.ib_free_list_max,
|
|
mca_btl_mvapi_component.ib_free_list_inc,
|
|
mvapi_btl->super.btl_mpool);
|
|
|
|
|
|
/* Initialize the rr_desc_post array for posting of rr*/
|
|
mvapi_btl->rr_desc_post = (VAPI_rr_desc_t*) malloc((mvapi_btl->rd_num * sizeof(VAPI_rr_desc_t)));
|
|
btls[i] = &mvapi_btl->super;
|
|
|
|
}
|
|
|
|
/* Post OOB receive to support dynamic connection setup */
|
|
mca_btl_mvapi_post_recv();
|
|
|
|
mca_btl_mvapi_modex_send();
|
|
*num_btl_modules = mca_btl_mvapi_component.ib_num_btls;
|
|
free(hca_ids);
|
|
return btls;
|
|
}
|
|
|
|
/*
|
|
* IB component progress.
|
|
*/
|
|
|
|
|
|
int mca_btl_mvapi_component_progress()
|
|
{
|
|
uint32_t i;
|
|
int count = 0;
|
|
int32_t credits;
|
|
|
|
mca_btl_mvapi_frag_t* frag;
|
|
mca_btl_mvapi_endpoint_t* endpoint;
|
|
/* Poll for completions */
|
|
for(i = 0; i < mca_btl_mvapi_component.ib_num_btls; i++) {
|
|
VAPI_ret_t ret;
|
|
VAPI_wc_desc_t comp;
|
|
mca_btl_mvapi_module_t* mvapi_btl = &mca_btl_mvapi_component.mvapi_btls[i];
|
|
|
|
|
|
/* we have two completion queues, one for "high" priority and one for "low".
|
|
* we will check the high priority and process them until there are none left.
|
|
* note that low priority messages are only processed one per progress call.
|
|
*/
|
|
ret = VAPI_poll_cq(mvapi_btl->nic, mvapi_btl->cq_hndl_hp, &comp);
|
|
if(VAPI_OK == ret) {
|
|
if(comp.status != VAPI_SUCCESS) {
|
|
BTL_ERROR(("Got error : %s, Vendor code : %d Frag : %p",
|
|
VAPI_wc_status_sym(comp.status),
|
|
comp.vendor_err_syndrome, comp.id));
|
|
return OMPI_ERROR;
|
|
}
|
|
|
|
/* Handle work completions */
|
|
switch(comp.opcode) {
|
|
case VAPI_CQE_RQ_RDMA_WITH_IMM:
|
|
BTL_ERROR(("Got an RDMA with Immediate data!, not supported!"));
|
|
return OMPI_ERROR;
|
|
|
|
case VAPI_CQE_SQ_SEND_DATA :
|
|
|
|
/* Process a completed send */
|
|
frag = (mca_btl_mvapi_frag_t*) (unsigned long) comp.id;
|
|
endpoint = (mca_btl_mvapi_endpoint_t*) frag->endpoint;
|
|
|
|
frag->rc = OMPI_SUCCESS;
|
|
frag->base.des_cbfunc(&mvapi_btl->super, endpoint, &frag->base, frag->rc);
|
|
count++;
|
|
|
|
/* check and see if we need to progress pending sends */
|
|
if( mca_btl_mvapi_component.use_srq &&
|
|
OPAL_THREAD_ADD32(&mvapi_btl->sd_tokens_hp, 1) > 0
|
|
&& !opal_list_is_empty(&mvapi_btl->pending_frags_hp)) {
|
|
opal_list_item_t *frag_item;
|
|
frag_item = opal_list_remove_first(&mvapi_btl->pending_frags_hp);
|
|
frag = (mca_btl_mvapi_frag_t *) frag_item;
|
|
if(OMPI_SUCCESS != mca_btl_mvapi_endpoint_send(endpoint, frag)) {
|
|
BTL_ERROR(("error in posting pending send\n"));
|
|
}
|
|
}
|
|
break;
|
|
|
|
case VAPI_CQE_RQ_SEND_DATA:
|
|
|
|
/* process a RECV */
|
|
frag = (mca_btl_mvapi_frag_t*) (unsigned long) comp.id;
|
|
endpoint = (mca_btl_mvapi_endpoint_t*) frag->endpoint;
|
|
credits = frag->hdr->credits;
|
|
|
|
/* repost receive descriptors */
|
|
if(mca_btl_mvapi_component.use_srq) {
|
|
OPAL_THREAD_ADD32(&mvapi_btl->srd_posted_hp, -1);
|
|
MCA_BTL_MVAPI_POST_SRR_HIGH(mvapi_btl, 0);
|
|
} else {
|
|
OPAL_THREAD_ADD32(&endpoint->rd_posted_hp, -1);
|
|
MCA_BTL_MVAPI_ENDPOINT_POST_RR_HIGH(endpoint, 0);
|
|
}
|
|
|
|
/* advance the segment address past the header and subtract from the length..*/
|
|
frag->rc=OMPI_SUCCESS;
|
|
frag->segment.seg_len = comp.byte_len-((unsigned char*) frag->segment.seg_addr.pval - (unsigned char*) frag->hdr);
|
|
/* call registered callback */
|
|
mvapi_btl->ib_reg[frag->hdr->tag].cbfunc(&mvapi_btl->super, frag->hdr->tag, &frag->base, mvapi_btl->ib_reg[frag->hdr->tag].cbdata);
|
|
OMPI_FREE_LIST_RETURN(&(mvapi_btl->recv_free_eager), (opal_list_item_t*) frag);
|
|
|
|
/* check to see if we need to progress any pending desciptors */
|
|
if( !mca_btl_mvapi_component.use_srq &&
|
|
OPAL_THREAD_ADD32(&endpoint->sd_tokens_hp, credits) > 0
|
|
&& !opal_list_is_empty(&(endpoint->pending_frags_hp))) {
|
|
|
|
do {
|
|
opal_list_item_t *frag_item;
|
|
OPAL_THREAD_LOCK(&endpoint->endpoint_lock);
|
|
frag_item = opal_list_remove_first(&(endpoint->pending_frags_hp));
|
|
OPAL_THREAD_UNLOCK(&endpoint->endpoint_lock);
|
|
if(NULL == (frag = (mca_btl_mvapi_frag_t *) frag_item))
|
|
break;
|
|
if(OMPI_SUCCESS != mca_btl_mvapi_endpoint_send(frag->endpoint, frag)) {
|
|
BTL_ERROR(("error in posting pending send\n"));
|
|
break;
|
|
}
|
|
} while(endpoint->sd_tokens_hp > 0);
|
|
}
|
|
|
|
/* check to see if we need to return credits */
|
|
if( !mca_btl_mvapi_component.use_srq &&
|
|
endpoint->rd_credits_hp >= mca_btl_mvapi_component.rd_win) {
|
|
mca_btl_mvapi_endpoint_send_credits(endpoint, endpoint->lcl_qp_hndl_hp, endpoint->rem_info.rem_qp_num_hp, &endpoint->rd_credits_hp);
|
|
}
|
|
count++;
|
|
break;
|
|
|
|
case VAPI_CQE_SQ_RDMA_READ:
|
|
case VAPI_CQE_SQ_RDMA_WRITE:
|
|
default:
|
|
BTL_ERROR(("Unhandled work completion opcode is %d", comp.opcode));
|
|
break;
|
|
}
|
|
}
|
|
|
|
ret = VAPI_poll_cq(mvapi_btl->nic, mvapi_btl->cq_hndl_lp, &comp);
|
|
if(VAPI_OK == ret) {
|
|
if(comp.status != VAPI_SUCCESS) {
|
|
BTL_ERROR(("Got error : %s, Vendor code : %d Frag : %p",
|
|
VAPI_wc_status_sym(comp.status),
|
|
comp.vendor_err_syndrome, comp.id));
|
|
return OMPI_ERROR;
|
|
}
|
|
|
|
/* Handle n/w completions */
|
|
switch(comp.opcode) {
|
|
case VAPI_CQE_RQ_RDMA_WITH_IMM:
|
|
BTL_ERROR(("Got an RDMA with Immediate data!, not supported!"));
|
|
return OMPI_ERROR;
|
|
|
|
case VAPI_CQE_SQ_SEND_DATA :
|
|
|
|
/* Process a completed send - receiver must return tokens */
|
|
frag = (mca_btl_mvapi_frag_t*) (unsigned long) comp.id;
|
|
frag->rc = OMPI_SUCCESS;
|
|
frag->base.des_cbfunc(&mvapi_btl->super, frag->endpoint, &frag->base, frag->rc);
|
|
count++;
|
|
|
|
/* if we have tokens, process pending sends */
|
|
if(mca_btl_mvapi_component.use_srq &&
|
|
OPAL_THREAD_ADD32(&mvapi_btl->sd_tokens_lp, 1) > 0
|
|
&& !opal_list_is_empty(&mvapi_btl->pending_frags_lp)) {
|
|
opal_list_item_t *frag_item;
|
|
frag_item = opal_list_remove_first(&mvapi_btl->pending_frags_lp);
|
|
frag = (mca_btl_mvapi_frag_t *) frag_item;
|
|
MCA_BTL_IB_FRAG_PROGRESS(frag);
|
|
}
|
|
break;
|
|
|
|
case VAPI_CQE_SQ_RDMA_READ:
|
|
|
|
frag = (mca_btl_mvapi_frag_t*) (unsigned long) comp.id;
|
|
OPAL_THREAD_ADD32(&frag->endpoint->get_tokens, 1);
|
|
/* fall through */
|
|
|
|
case VAPI_CQE_SQ_RDMA_WRITE:
|
|
|
|
/* Process a completed write - returns send tokens immediately */
|
|
frag = (mca_btl_mvapi_frag_t*) (unsigned long) comp.id;
|
|
endpoint = frag->endpoint;
|
|
frag->rc = OMPI_SUCCESS;
|
|
frag->base.des_cbfunc(&mvapi_btl->super, frag->endpoint, &frag->base, frag->rc);
|
|
count++;
|
|
|
|
if(mca_btl_mvapi_component.use_srq &&
|
|
OPAL_THREAD_ADD32(&mvapi_btl->sd_tokens_lp, 1) > 0
|
|
&& !opal_list_is_empty(&mvapi_btl->pending_frags_lp)) {
|
|
opal_list_item_t *frag_item;
|
|
frag_item = opal_list_remove_first(&mvapi_btl->pending_frags_lp);
|
|
frag = (mca_btl_mvapi_frag_t *) frag_item;
|
|
MCA_BTL_IB_FRAG_PROGRESS(frag);
|
|
}
|
|
if(!mca_btl_mvapi_component.use_srq &&
|
|
OPAL_THREAD_ADD32(&endpoint->sd_tokens_lp, 1) > 0 &&
|
|
!opal_list_is_empty(&(endpoint->pending_frags_lp))) {
|
|
opal_list_item_t *frag_item;
|
|
OPAL_THREAD_LOCK(&frag->endpoint->endpoint_lock);
|
|
frag_item = opal_list_remove_first(&(frag->endpoint->pending_frags_lp));
|
|
OPAL_THREAD_UNLOCK(&frag->endpoint->endpoint_lock);
|
|
frag = (mca_btl_mvapi_frag_t *) frag_item;
|
|
MCA_BTL_IB_FRAG_PROGRESS(frag);
|
|
}
|
|
break;
|
|
|
|
case VAPI_CQE_RQ_SEND_DATA:
|
|
|
|
frag = (mca_btl_mvapi_frag_t*) (unsigned long) comp.id;
|
|
endpoint = (mca_btl_mvapi_endpoint_t*) frag->endpoint;
|
|
credits = frag->hdr->credits;
|
|
|
|
/* post descriptors before processing receive */
|
|
if(mca_btl_mvapi_component.use_srq) {
|
|
OPAL_THREAD_ADD32(&mvapi_btl->srd_posted_lp, -1);
|
|
MCA_BTL_MVAPI_POST_SRR_LOW(mvapi_btl, 0);
|
|
} else {
|
|
OPAL_THREAD_ADD32(&endpoint->rd_posted_lp, -1);
|
|
MCA_BTL_MVAPI_ENDPOINT_POST_RR_LOW(endpoint, 0);
|
|
}
|
|
|
|
/* process received frag */
|
|
frag->rc=OMPI_SUCCESS;
|
|
frag->segment.seg_len = comp.byte_len-((unsigned char*) frag->segment.seg_addr.pval - (unsigned char*) frag->hdr);
|
|
/* advance the segment address past the header and subtract from the length..*/
|
|
mvapi_btl->ib_reg[frag->hdr->tag].cbfunc(&mvapi_btl->super, frag->hdr->tag, &frag->base, mvapi_btl->ib_reg[frag->hdr->tag].cbdata);
|
|
OMPI_FREE_LIST_RETURN(&(mvapi_btl->recv_free_max), (opal_list_item_t*) frag);
|
|
|
|
/* check to see if we need to progress pending descriptors */
|
|
if(!mca_btl_mvapi_component.use_srq &&
|
|
OPAL_THREAD_ADD32(&endpoint->sd_tokens_lp, credits) > 0 &&
|
|
!opal_list_is_empty(&(endpoint->pending_frags_lp))) {
|
|
do {
|
|
opal_list_item_t *frag_item;
|
|
OPAL_THREAD_LOCK(&endpoint->endpoint_lock);
|
|
frag_item = opal_list_remove_first(&(endpoint->pending_frags_lp));
|
|
OPAL_THREAD_UNLOCK(&endpoint->endpoint_lock);
|
|
if(NULL == (frag = (mca_btl_mvapi_frag_t *) frag_item))
|
|
break;
|
|
MCA_BTL_IB_FRAG_PROGRESS(frag);
|
|
} while(endpoint->sd_tokens_lp > 0);
|
|
}
|
|
|
|
/* check to see if we need to return credits */
|
|
if( !mca_btl_mvapi_component.use_srq &&
|
|
endpoint->rd_credits_lp >= mca_btl_mvapi_component.rd_win) {
|
|
mca_btl_mvapi_endpoint_send_credits(endpoint, endpoint->lcl_qp_hndl_lp, endpoint->rem_info.rem_qp_num_lp, &endpoint->rd_credits_lp);
|
|
}
|
|
count++;
|
|
break;
|
|
|
|
default:
|
|
BTL_ERROR(("Errorneous network completion"));
|
|
break;
|
|
}
|
|
}
|
|
|
|
}
|
|
return count;
|
|
}
|