635 строки
24 KiB
C
635 строки
24 KiB
C
/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University.
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* All rights reserved.
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* Copyright (c) 2004-2005 The Trustees of the University of Tennessee.
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* All rights 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 "include/constants.h"
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#include "opal/event/event.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_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 "mca/btl/base/base.h"
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#include "mca/btl/base/btl_base_error.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 <sysfs/libsysfs.h>
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#include <infiniband/verbs.h>
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#include <errno.h>
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#include <string.h> /* for strerror()*/
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extern int errno;
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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_0,
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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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mca_btl_openib_component_open, /* component open */
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mca_btl_openib_component_close /* component close */
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},
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/* Next the MCA v1.0.0 component meta data */
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{
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/* Whether the component is checkpointable or not */
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false
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},
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mca_btl_openib_component_init,
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mca_btl_openib_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 char* mca_btl_openib_param_register_string(
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const char* param_name,
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const char* default_value)
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{
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char *param_value;
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int id = mca_base_param_register_string("btl","openib",param_name,NULL,default_value);
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mca_base_param_lookup_string(id, ¶m_value);
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return param_value;
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}
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static inline int mca_btl_openib_param_register_int(
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const char* param_name,
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int default_value)
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{
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int id = mca_base_param_register_int("btl","openib",param_name,NULL,default_value);
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int param_value = 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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/*
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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_openib_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_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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mca_btl_openib_component.ib_free_list_num =
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mca_btl_openib_param_register_int ("free_list_num", 8);
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mca_btl_openib_component.ib_free_list_max =
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mca_btl_openib_param_register_int ("free_list_max", 1024);
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mca_btl_openib_component.ib_free_list_inc =
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mca_btl_openib_param_register_int ("free_list_inc", 32);
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mca_btl_openib_component.ib_mem_registry_hints_log_size =
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mca_btl_openib_param_register_int ("hints_log_size", 8);
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mca_btl_openib_component.ib_mpool_name =
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mca_btl_openib_param_register_string("mpool", "openib");
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mca_btl_openib_component.ib_rr_buf_max =
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mca_btl_openib_param_register_int("rr_buf_max", 16);
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mca_btl_openib_component.ib_rr_buf_min =
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mca_btl_openib_param_register_int("rr_buf_min", 8);
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mca_btl_openib_component.reg_mru_len =
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mca_btl_openib_param_register_int("reg_mru_len", 16);
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mca_btl_openib_component.ib_cq_size =
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mca_btl_openib_param_register_int("ib_cq_size",
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500);
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mca_btl_openib_component.ib_wq_size =
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mca_btl_openib_param_register_int("ib_wq_size",
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500);
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mca_btl_openib_component.ib_sg_list_size =
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mca_btl_openib_param_register_int("ib_sg_list_size",
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1);
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mca_btl_openib_component.ib_pkey_ix =
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mca_btl_openib_param_register_int("ib_pkey_ix",
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0);
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mca_btl_openib_component.ib_psn =
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mca_btl_openib_param_register_int("ib_psn",
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0);
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mca_btl_openib_component.ib_qp_ous_rd_atom =
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mca_btl_openib_param_register_int("ib_qp_ous_rd_atom",
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1);
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mca_btl_openib_component.ib_mtu =
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mca_btl_openib_param_register_int("ib_mtu",
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IBV_MTU_1024);
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mca_btl_openib_component.ib_min_rnr_timer =
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mca_btl_openib_param_register_int("ib_min_rnr_timer",
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5);
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mca_btl_openib_component.ib_timeout =
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mca_btl_openib_param_register_int("ib_timeout",
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10);
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mca_btl_openib_component.ib_retry_count =
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mca_btl_openib_param_register_int("ib_retry_count",
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7);
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mca_btl_openib_component.ib_rnr_retry =
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mca_btl_openib_param_register_int("ib_rnr_retry",
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7);
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mca_btl_openib_component.ib_max_rdma_dst_ops =
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mca_btl_openib_param_register_int("ib_max_rdma_dst_ops",
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16);
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mca_btl_openib_component.ib_service_level =
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mca_btl_openib_param_register_int("ib_service_level",
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0);
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mca_btl_openib_component.ib_static_rate =
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mca_btl_openib_param_register_int("ib_static_rate",
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0);
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mca_btl_openib_component.ib_src_path_bits =
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mca_btl_openib_param_register_int("ib_src_path_bits",
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0);
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mca_btl_openib_module.super.btl_exclusivity =
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mca_btl_openib_param_register_int ("exclusivity", 0);
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mca_btl_openib_module.super.btl_eager_limit =
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mca_btl_openib_param_register_int ("eager_limit", (64*1024))
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- sizeof(mca_btl_openib_header_t);
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mca_btl_openib_module.super.btl_min_send_size =
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mca_btl_openib_param_register_int ("min_send_size", (64*1024))
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- sizeof(mca_btl_openib_header_t);
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mca_btl_openib_module.super.btl_max_send_size =
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mca_btl_openib_param_register_int ("max_send_size", (128*1024))
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- sizeof(mca_btl_openib_header_t);
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mca_btl_openib_module.super.btl_min_rdma_size =
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mca_btl_openib_param_register_int("min_rdma_size",
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1024*1024);
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mca_btl_openib_module.super.btl_max_rdma_size =
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mca_btl_openib_param_register_int("max_rdma_size",
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1024*1024);
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mca_btl_openib_module.super.btl_flags =
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mca_btl_openib_param_register_int("flags",
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MCA_BTL_FLAGS_RDMA);
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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_openib_component.leave_pinned = value;
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mca_btl_openib_component.max_send_size = mca_btl_openib_module.super.btl_max_send_size;
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mca_btl_openib_component.eager_limit = mca_btl_openib_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_openib_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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* 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_openib_component_init(int *num_btl_modules,
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bool enable_progress_threads,
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bool enable_mpi_threads)
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{
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struct ibv_device **ib_devs;
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uint32_t num_devs;
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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 mpool_resources;
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opal_list_t btl_list;
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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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opal_list_item_t* item;
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struct dlist *dev_list;
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struct ibv_device* ib_dev;
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/* initialization */
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*num_btl_modules = 0;
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num_devs = 0;
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/* Determine the number of hca's available on the host */
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dev_list = ibv_get_devices();
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dlist_start(dev_list);
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dlist_for_each_data(dev_list, ib_dev, struct ibv_device)
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num_devs++;
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if(0 == num_devs) {
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BTL_ERROR(("No hca's found on this host!"));
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return NULL;
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}
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/* Allocate space for the ib devices */
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ib_devs = (struct ibv_device**) malloc(num_devs * sizeof(struct ibv_dev*));
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if(NULL == ib_devs) {
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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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dlist_start(dev_list);
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i = 0;
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dlist_for_each_data(dev_list, ib_dev, struct ibv_device)
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ib_devs[i++] = ib_dev;
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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_openib_component.ib_lock, opal_mutex_t);
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for(i = 0; i < num_devs; i++){
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struct ibv_device_attr ib_dev_attr;
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struct ibv_context* ib_dev_context;
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ib_dev = ib_devs[i];
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ib_dev_context = ibv_open_device(ib_dev);
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if(!ib_dev_context) {
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BTL_ERROR((" error obtaining device context for %s errno says %s\n", ibv_get_device_name(ib_dev), strerror(errno)));
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return NULL;
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}
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if(ibv_query_device(ib_dev_context, &ib_dev_attr)){
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BTL_ERROR(("error obtaining device attributes for %s errno says %s\n", ibv_get_device_name(ib_dev), strerror(errno)));
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return NULL;
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}
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/* Note ports are 1 based hence j = 1 */
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for(j = 1; j <= ib_dev_attr.phys_port_cnt; j++){
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struct ibv_port_attr* ib_port_attr;
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ib_port_attr = (struct ibv_port_attr*) malloc(sizeof(struct ibv_port_attr));
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if(ibv_query_port(ib_dev_context, (uint8_t) j, ib_port_attr)){
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BTL_ERROR(("error getting port attributes for device %s port number %d errno says %s",
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ibv_get_device_name(ib_dev), j, strerror(errno)));
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return NULL;
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}
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if( IBV_PORT_ACTIVE == ib_port_attr->state ){
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openib_btl = (mca_btl_openib_module_t*) malloc(sizeof(mca_btl_openib_module_t));
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memcpy(openib_btl, &mca_btl_openib_module, sizeof(mca_btl_openib_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*) openib_btl;
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openib_btl->ib_dev = ib_dev;
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openib_btl->ib_dev_context = ib_dev_context;
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openib_btl->port_num = (uint8_t) j;
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openib_btl->ib_port_attr = ib_port_attr;
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opal_list_append(&btl_list, (opal_list_item_t*) ib_selected);
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mca_btl_openib_component.ib_num_btls ++;
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}
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else{
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free(ib_port_attr);
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}
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}
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}
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/* Allocate space for btl modules */
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mca_btl_openib_component.openib_btls = (mca_btl_openib_module_t*) malloc(sizeof(mca_btl_openib_module_t) *
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mca_btl_openib_component.ib_num_btls);
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if(NULL == mca_btl_openib_component.openib_btls) {
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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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btls = (struct mca_btl_base_module_t**)
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malloc(mca_btl_openib_component.ib_num_btls * sizeof(struct mca_btl_openib_module_t*));
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if(NULL == btls) {
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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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for(i = 0; i < mca_btl_openib_component.ib_num_btls; i++){
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item = opal_list_remove_first(&btl_list);
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ib_selected = (mca_btl_base_selected_module_t*)item;
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openib_btl = (mca_btl_openib_module_t*) ib_selected->btl_module;
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memcpy(&(mca_btl_openib_component.openib_btls[i]), openib_btl , sizeof(mca_btl_openib_module_t));
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free(ib_selected);
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free(openib_btl);
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openib_btl = &mca_btl_openib_component.openib_btls[i];
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/* Initialize module state */
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OBJ_CONSTRUCT(&openib_btl->ib_lock, opal_mutex_t);
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OBJ_CONSTRUCT(&openib_btl->send_free_eager, ompi_free_list_t);
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OBJ_CONSTRUCT(&openib_btl->send_free_max, ompi_free_list_t);
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OBJ_CONSTRUCT(&openib_btl->send_free_frag, ompi_free_list_t);
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OBJ_CONSTRUCT(&openib_btl->recv_free_eager, ompi_free_list_t);
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OBJ_CONSTRUCT(&openib_btl->recv_free_max, ompi_free_list_t);
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OBJ_CONSTRUCT(&openib_btl->repost, opal_list_t);
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OBJ_CONSTRUCT(&openib_btl->reg_mru_list, opal_list_t);
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if(mca_btl_openib_module_init(openib_btl) != OMPI_SUCCESS) {
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free(ib_devs);
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return NULL;
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}
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mpool_resources.ib_pd = openib_btl->ib_pd;
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/* initialize the memory pool using the hca */
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openib_btl->ib_pool =
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mca_mpool_base_module_create(mca_btl_openib_component.ib_mpool_name,
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&openib_btl->super,
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&mpool_resources);
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if(NULL == openib_btl->ib_pool) {
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BTL_ERROR(("error creating vapi memory pool! aborting openib btl initialization"));
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return NULL;
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}
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/* Initialize pool of send fragments */
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length = sizeof(mca_btl_openib_frag_t) +
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sizeof(mca_btl_openib_header_t) +
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openib_btl->super.btl_eager_limit+
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2*MCA_BTL_IB_FRAG_ALIGN;
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ompi_free_list_init(&openib_btl->send_free_eager,
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length,
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OBJ_CLASS(mca_btl_openib_send_frag_eager_t),
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mca_btl_openib_component.ib_free_list_num,
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mca_btl_openib_component.ib_free_list_max,
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mca_btl_openib_component.ib_free_list_inc,
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openib_btl->ib_pool);
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ompi_free_list_init(&openib_btl->recv_free_eager,
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length,
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OBJ_CLASS(mca_btl_openib_recv_frag_eager_t),
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mca_btl_openib_component.ib_free_list_num,
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mca_btl_openib_component.ib_free_list_max,
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mca_btl_openib_component.ib_free_list_inc,
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openib_btl->ib_pool);
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length = sizeof(mca_btl_openib_frag_t) +
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sizeof(mca_btl_openib_header_t) +
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openib_btl->super.btl_max_send_size +
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2*MCA_BTL_IB_FRAG_ALIGN;
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ompi_free_list_init(&openib_btl->send_free_max,
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length,
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OBJ_CLASS(mca_btl_openib_send_frag_max_t),
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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->ib_pool);
|
|
|
|
/* Initialize pool of receive fragments */
|
|
ompi_free_list_init (&openib_btl->recv_free_max,
|
|
length,
|
|
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->ib_pool);
|
|
|
|
|
|
|
|
length = sizeof(mca_btl_openib_frag_t) +
|
|
sizeof(mca_btl_openib_header_t)+
|
|
2*MCA_BTL_IB_FRAG_ALIGN;
|
|
|
|
|
|
|
|
|
|
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,
|
|
openib_btl->ib_pool);
|
|
|
|
|
|
/* Initialize the rr_desc_post array for posting of rr*/
|
|
openib_btl->rr_desc_post = (struct ibv_recv_wr *)
|
|
malloc((mca_btl_openib_component.ib_rr_buf_max * sizeof(struct ibv_recv_wr)));
|
|
|
|
btls[i] = &openib_btl->super;
|
|
}
|
|
|
|
/* Post OOB receive to support dynamic connection setup */
|
|
mca_btl_openib_post_recv();
|
|
|
|
*num_btl_modules = mca_btl_openib_component.ib_num_btls;
|
|
free(ib_devs);
|
|
return btls;
|
|
}
|
|
|
|
/*
|
|
* IB component progress.
|
|
*/
|
|
|
|
|
|
int mca_btl_openib_component_progress()
|
|
{
|
|
uint32_t i, ne;
|
|
int count = 0;
|
|
mca_btl_openib_frag_t* frag;
|
|
mca_btl_openib_endpoint_t* endpoint;
|
|
/* Poll for completions */
|
|
for(i = 0; i < mca_btl_openib_component.ib_num_btls; i++) {
|
|
|
|
struct ibv_wc wc;
|
|
mca_btl_openib_module_t* openib_btl = &mca_btl_openib_component.openib_btls[i];
|
|
memset(&wc, 0, sizeof(struct ibv_wc));
|
|
|
|
/* 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.
|
|
*/
|
|
do{
|
|
ne=ibv_poll_cq(openib_btl->ib_cq_high, 1, &wc );
|
|
if(ne < 0 ){
|
|
BTL_ERROR(("error polling CQ with %d errno says %s\n", ne, strerror(errno)));
|
|
return OMPI_ERROR;
|
|
}
|
|
else if(wc.status != IBV_WC_SUCCESS) {
|
|
BTL_ERROR(("error polling CQ with status %d for wr_id %llu\n",
|
|
wc.status, wc.wr_id));
|
|
return OMPI_ERROR;
|
|
}
|
|
else if(1 == ne) {
|
|
BTL_DEBUG(("completion queue event says opcode is %d\n", wc.opcode));
|
|
|
|
/* Handle work completions */
|
|
switch(wc.opcode) {
|
|
case IBV_WC_RECV_RDMA_WITH_IMM:
|
|
BTL_ERROR(("Got an RDMA with Immediate data Not supported!"));
|
|
return OMPI_ERROR;
|
|
|
|
case IBV_WC_RECV:
|
|
/* Process a RECV */
|
|
|
|
BTL_DEBUG(("Got an recv on the completion queue"));
|
|
frag = (mca_btl_openib_frag_t*) wc.wr_id;
|
|
endpoint = (mca_btl_openib_endpoint_t*) frag->endpoint;
|
|
frag->rc=OMPI_SUCCESS;
|
|
frag->segment.seg_len =
|
|
wc.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..*/
|
|
openib_btl->ib_reg[frag->hdr->tag].cbfunc(&openib_btl->super,
|
|
frag->hdr->tag,
|
|
&frag->base,
|
|
openib_btl->ib_reg[frag->hdr->tag].cbdata);
|
|
|
|
OPAL_THREAD_ADD32(&endpoint->rr_posted_high, -1);
|
|
MCA_BTL_OPENIB_ENDPOINT_POST_RR_HIGH(((mca_btl_openib_frag_t*)wc.wr_id)->endpoint, 0);
|
|
OMPI_FREE_LIST_RETURN(&(openib_btl->recv_free_eager), (opal_list_item_t*) frag);
|
|
count++;
|
|
break;
|
|
|
|
case IBV_WC_RDMA_WRITE:
|
|
case IBV_WC_SEND :
|
|
|
|
/* Process a completed send or rdma write*/
|
|
frag = (mca_btl_openib_frag_t*) wc.wr_id;
|
|
frag->rc = OMPI_SUCCESS;
|
|
frag->base.des_cbfunc(&openib_btl->super, frag->endpoint, &frag->base, frag->rc);
|
|
count++;
|
|
break;
|
|
|
|
|
|
break;
|
|
|
|
default:
|
|
BTL_ERROR(("Unhandled work completion opcode is %d", wc.opcode));
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
while(ne > 0);
|
|
|
|
ne=ibv_poll_cq(openib_btl->ib_cq_low, 1, &wc );
|
|
if(ne < 0){
|
|
BTL_ERROR(("error polling CQ with %d errno says %s", ne, strerror(errno)));
|
|
return OMPI_ERROR;
|
|
}
|
|
else if(wc.status != IBV_WC_SUCCESS) {
|
|
BTL_ERROR(("error polling CQ with status %d for wr_id %llu",
|
|
wc.status, wc.wr_id));
|
|
return OMPI_ERROR;
|
|
}
|
|
else if(1 == ne) {
|
|
/* Handle n/w completions */
|
|
switch(wc.opcode) {
|
|
case IBV_WC_RECV_RDMA_WITH_IMM:
|
|
BTL_ERROR(("Got an RDMA with Immediate data Not supported!"));
|
|
return OMPI_ERROR;
|
|
|
|
case IBV_WC_RECV:
|
|
/* process a recv completion (this should only occur for a send not an rdma) */
|
|
BTL_DEBUG(( "Got a recv completion"));
|
|
frag = (mca_btl_openib_frag_t*) wc.wr_id;
|
|
endpoint = (mca_btl_openib_endpoint_t*) frag->endpoint;
|
|
frag->rc=OMPI_SUCCESS;
|
|
|
|
/* advance the segment address past the header and subtract from the length..*/
|
|
frag->segment.seg_len =
|
|
wc.byte_len-
|
|
((unsigned char*) frag->segment.seg_addr.pval - (unsigned char*) frag->hdr);
|
|
|
|
|
|
openib_btl->ib_reg[frag->hdr->tag].cbfunc(&openib_btl->super,
|
|
frag->hdr->tag,
|
|
&frag->base,
|
|
openib_btl->ib_reg[frag->hdr->tag].cbdata);
|
|
|
|
OPAL_THREAD_ADD32(&endpoint->rr_posted_low, -1);
|
|
MCA_BTL_OPENIB_ENDPOINT_POST_RR_LOW(((mca_btl_openib_frag_t*)wc.wr_id)->endpoint, 0);
|
|
OMPI_FREE_LIST_RETURN(&(openib_btl->recv_free_max), (opal_list_item_t*) frag);
|
|
count++;
|
|
break;
|
|
|
|
case IBV_WC_RDMA_WRITE:
|
|
case IBV_WC_SEND :
|
|
/* Process a completed send */
|
|
frag = (mca_btl_openib_frag_t*) wc.wr_id;
|
|
frag->rc = OMPI_SUCCESS;
|
|
frag->base.des_cbfunc(&openib_btl->super, frag->endpoint, &frag->base, frag->rc);
|
|
count++;
|
|
break;
|
|
|
|
default:
|
|
BTL_ERROR(("Unhandled work completion opcode is %d", wc.opcode));
|
|
break;
|
|
}
|
|
}
|
|
|
|
}
|
|
return count;
|
|
}
|