514 строки
16 KiB
C
514 строки
16 KiB
C
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/*
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* Copyright (c) 2004-2007 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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* $COPYRIGHT$
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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 "opal/util/output.h"
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#include "opal/util/if.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 "btl_elan.h"
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#include "btl_elan_frag.h"
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#include "btl_elan_proc.h"
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#include "btl_elan_endpoint.h"
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#include "ompi/datatype/convertor.h"
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#include "ompi/mca/mpool/base/base.h"
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#include "ompi/mca/mpool/mpool.h"
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#include "opal/util/os_path.h"
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#include "opal/util/opal_environ.h"
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mca_btl_elan_module_t mca_btl_elan_module = {
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{
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&mca_btl_elan_component.super,
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0, /* max size of first fragment */
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0, /* min send fragment size */
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0, /* max send fragment size */
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0, /* btl_rdma_pipeline_offset */
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0, /* btl_rdma_pipeline_frag_size */
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0, /* btl_min_rdma_pipeline_size */
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0, /* exclusivity */
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0, /* latency */
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0, /* bandwidth */
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0, /* flags */
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mca_btl_elan_add_procs,
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mca_btl_elan_del_procs,
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mca_btl_elan_register,
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mca_btl_elan_finalize,
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mca_btl_elan_alloc,
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mca_btl_elan_free,
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mca_btl_elan_prepare_src,
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mca_btl_elan_prepare_dst,
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mca_btl_elan_send,
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mca_btl_elan_put,
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NULL, /*mca_btl_elan_get,*/
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NULL, /*mca_btl_elan_dump,*/
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NULL, /* mpool */
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NULL, /* register error cb */
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mca_btl_elan_ft_event /* mca_btl_elan_ft_event*/
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}
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};
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/**
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*
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*/
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extern char** environ;
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int mca_btl_elan_add_procs( struct mca_btl_base_module_t* btl,
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size_t nprocs,
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struct ompi_proc_t **ompi_procs,
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struct mca_btl_base_endpoint_t** peers,
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ompi_bitmap_t* reachable )
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{
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mca_btl_elan_module_t* elan_btl = (mca_btl_elan_module_t*)btl;
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int i, rc;
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for(i = 0; i < (int) nprocs; i++) {
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struct ompi_proc_t* ompi_proc = ompi_procs[i];
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mca_btl_elan_proc_t* elan_proc;
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mca_btl_base_endpoint_t* elan_endpoint;
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if(NULL == (elan_proc = mca_btl_elan_proc_create(ompi_proc))) {
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return OMPI_ERR_OUT_OF_RESOURCE;
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}
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OPAL_THREAD_LOCK(&elan_proc->proc_lock);
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elan_endpoint = OBJ_NEW(mca_btl_elan_endpoint_t);
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if(NULL == elan_endpoint) {
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OPAL_THREAD_UNLOCK(&elan_proc->proc_lock);
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return OMPI_ERR_OUT_OF_RESOURCE;
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}
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elan_endpoint->endpoint_btl = elan_btl;
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rc = mca_btl_elan_proc_insert(elan_proc, elan_endpoint);
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if(rc != OMPI_SUCCESS) {
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OBJ_RELEASE(elan_endpoint);
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OBJ_RELEASE(elan_proc);
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OPAL_THREAD_UNLOCK(&elan_proc->proc_lock);
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continue;
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}
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ompi_bitmap_set_bit(reachable, i);
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OPAL_THREAD_UNLOCK(&elan_proc->proc_lock);
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peers[i] = elan_endpoint;
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}
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return OMPI_SUCCESS;
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}
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int mca_btl_elan_del_procs( struct mca_btl_base_module_t* btl,
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size_t nprocs,
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struct ompi_proc_t **procs,
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struct mca_btl_base_endpoint_t ** endpoints )
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{
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return OMPI_SUCCESS;
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}
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/**
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* Register callback function to support send/recv semantics
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*/
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int mca_btl_elan_register( struct mca_btl_base_module_t* btl,
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mca_btl_base_tag_t tag,
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mca_btl_base_module_recv_cb_fn_t cbfunc,
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void* cbdata )
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{
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mca_btl_elan_module_t* elan_btl = (mca_btl_elan_module_t*) btl;
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void * tbuf = NULL;
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int rc;
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bufdesc_t *desc;
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mca_btl_elan_frag_t* frag;
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elan_btl->elan_reg[tag].cbfunc = cbfunc;
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elan_btl->elan_reg[tag].cbdata = cbdata;
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if (NULL != cbfunc) {
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/* Post the receives if there is no unexpected handler */
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MCA_BTL_TEMPLATE_FRAG_ALLOC_EAGER(frag, rc );
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if( NULL == frag ) {
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return OMPI_ERROR;
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}
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frag->base.des_dst = &(frag->segment);
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frag->base.des_dst_cnt = 1;
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frag->base.des_src = NULL;
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frag->base.des_src_cnt = 0;
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frag->tag = tag;
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frag->type = MCA_BTL_ELAN_HDR_TYPE_RECV;
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tbuf = (void*)(frag+1);
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desc = (bufdesc_t * )malloc (sizeof(struct bufdesc_t));
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desc->eve = elan_tportRxStart( elan_btl->tport, 0, 0, 0, BTL_ELAN_RECV_MASK,
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frag->tag, tbuf, elan_btl->super.btl_eager_limit );
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desc->frag = frag;
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desc->next = NULL;
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BTL_ELAN_ADD_TO_FIFO( elan_btl, desc );
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}
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return OMPI_SUCCESS;
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}
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/**
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* Allocate a segment.
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*
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* @param btl (IN) BTL module
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* @param size (IN) Request segment size.
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*/
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mca_btl_base_descriptor_t* mca_btl_elan_alloc(struct mca_btl_base_module_t* btl,
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uint8_t order,
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size_t size )
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{
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mca_btl_elan_frag_t* frag;
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int rc;
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if(size <= btl->btl_eager_limit){
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MCA_BTL_TEMPLATE_FRAG_ALLOC_EAGER(frag, rc);
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if( OPAL_UNLIKELY(NULL == frag) ) {
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return NULL;
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}
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frag->segment.seg_len = size;
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} else if (size <= btl->btl_max_send_size){
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MCA_BTL_TEMPLATE_FRAG_ALLOC_MAX(frag, rc);
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if( OPAL_UNLIKELY(NULL == frag) ) {
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return NULL;
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}
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frag->segment.seg_len = size;
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} else {
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return NULL;
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}
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frag->segment.seg_addr.pval = (void*)(frag+1);
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frag->base.des_src = &(frag->segment);
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frag->base.des_src_cnt = 1;
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frag->base.des_dst = NULL;
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frag->base.des_dst_cnt = 0;
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frag->base.des_flags = 0;
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frag->btl = (mca_btl_elan_module_t*)btl;
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frag->base.order = MCA_BTL_NO_ORDER;
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return (mca_btl_base_descriptor_t*)frag;
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}
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/**
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* Return a segment
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*/
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int mca_btl_elan_free( struct mca_btl_base_module_t* btl,
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mca_btl_base_descriptor_t* des )
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{
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mca_btl_elan_frag_t* frag = (mca_btl_elan_frag_t*)des;
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MCA_BTL_TEMPLATE_FRAG_RETURN(frag);
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return OMPI_SUCCESS;
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}
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/**
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* Pack data and return a descriptor that can be
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* used for send/put.
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*
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* @param btl (IN) BTL module
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* @param peer (IN) BTL peer addressing
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*/
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mca_btl_base_descriptor_t* mca_btl_elan_prepare_src( struct mca_btl_base_module_t* btl,
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struct mca_btl_base_endpoint_t* endpoint,
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struct mca_mpool_base_registration_t* registration,
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struct ompi_convertor_t* convertor,
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uint8_t order,
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size_t reserve,
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size_t* size )
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{
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mca_btl_elan_frag_t* frag;
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struct iovec iov;
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uint32_t iov_count = 1;
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size_t max_data = *size;
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int rc;
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if( OPAL_UNLIKELY(max_data > UINT32_MAX) ) {
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max_data = (size_t)UINT32_MAX;
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}
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if (max_data+reserve <= btl->btl_eager_limit) {
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MCA_BTL_TEMPLATE_FRAG_ALLOC_EAGER(frag, rc);
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if(NULL == frag) {
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return NULL;
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}
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iov.iov_len = max_data;
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iov.iov_base = (void*)((unsigned char*) frag->segment.seg_addr.pval + reserve);
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rc = ompi_convertor_pack(convertor, &iov, &iov_count, &max_data );
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*size = max_data;
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if( rc < 0 ) {
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MCA_BTL_TEMPLATE_FRAG_RETURN(frag);
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return NULL;
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}
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frag->segment.seg_len = max_data + reserve;
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}
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else {
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MCA_BTL_TEMPLATE_FRAG_ALLOC_MAX(frag, rc);
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if(NULL == frag) {
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return NULL;
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}
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if(max_data + reserve > btl->btl_max_send_size){
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max_data = btl->btl_max_send_size - reserve;
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}
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iov.iov_len = max_data;
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iov.iov_base = (unsigned char*) frag->segment.seg_addr.pval + reserve;
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rc = ompi_convertor_pack(convertor, &iov, &iov_count, &max_data );
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if( rc < 0 ) {
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MCA_BTL_TEMPLATE_FRAG_RETURN(frag);
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return NULL;
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}
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*size = max_data;
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}
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frag->segment.seg_len = max_data + reserve;
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frag->base.des_src = &(frag->segment);
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frag->base.des_src_cnt = 1;
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frag->base.order = MCA_BTL_NO_ORDER;
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frag->base.des_dst = NULL;
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frag->base.des_dst_cnt = 0;
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frag->base.des_flags = 0;
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return &frag->base;
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}
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/**
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* Prepare a descriptor for send/rdma using the supplied
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* convertor. If the convertor references data that is contigous,
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* the descriptor may simply point to the user buffer. Otherwise,
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* this routine is responsible for allocating buffer space and
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* packing if required.
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*
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* @param btl (IN) BTL module
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* @param endpoint (IN) BTL peer addressing
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* @param convertor (IN) Data type convertor
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* @param reserve (IN) Additional bytes requested by upper layer to precede user data
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* @param size (IN/OUT) Number of bytes to prepare (IN), number of bytes actually prepared (OUT)
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*/
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mca_btl_base_descriptor_t* mca_btl_elan_prepare_dst( struct mca_btl_base_module_t* btl,
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struct mca_btl_base_endpoint_t* endpoint,
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struct mca_mpool_base_registration_t* registration,
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struct ompi_convertor_t* convertor,
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uint8_t order,
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size_t reserve,
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size_t* size )
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{
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mca_btl_elan_frag_t* frag;
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int rc;
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if( OPAL_UNLIKELY((*size) > UINT32_MAX) ) {
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*size = (size_t)UINT32_MAX;
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}
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MCA_BTL_TEMPLATE_FRAG_ALLOC_USER(frag, rc);
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if(NULL == frag) {
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return NULL;
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}
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frag->segment.seg_len = *size;
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ompi_convertor_get_current_pointer( convertor, (void**)&(frag->segment.seg_addr.pval) );
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/*frag->segment.seg_addr.pval = convertor->pBaseBuf + convertor->bConverted;*/
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frag->type = MCA_BTL_ELAN_HDR_TYPE_PUT;
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frag->base.des_src = NULL;
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frag->base.des_src_cnt = 0;
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frag->base.des_flags = 0;
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frag->base.des_dst = &(frag->segment);
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frag->base.des_dst_cnt = 1;
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frag->base.order = MCA_BTL_NO_ORDER;
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return &frag->base;
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}
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/**
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* Initiate an asynchronous send.
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*
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* @param btl (IN) BTL module
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* @param endpoint (IN) BTL addressing information
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* @param descriptor (IN) Description of the data to be transfered
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* @param tag (IN) The tag value used to notify the peer.
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*/
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int mca_btl_elan_send( struct mca_btl_base_module_t* btl,
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struct mca_btl_base_endpoint_t* endpoint,
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struct mca_btl_base_descriptor_t* descriptor,
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mca_btl_base_tag_t tag )
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{
|
||
|
|
mca_btl_elan_module_t* elan_btl = (mca_btl_elan_module_t*) btl;
|
||
|
|
mca_btl_elan_frag_t* frag = (mca_btl_elan_frag_t*)descriptor;
|
||
|
|
int peer, proc, send_len;
|
||
|
|
void *sbuf = NULL;
|
||
|
|
bufdesc_t * desc;
|
||
|
|
|
||
|
|
/* TODO */
|
||
|
|
/*opal_output(0, "I am send,tag is %d\n", tag);*/
|
||
|
|
frag->btl = elan_btl;
|
||
|
|
frag->endpoint = endpoint;
|
||
|
|
frag->tag = tag;
|
||
|
|
frag->type = MCA_BTL_ELAN_HDR_TYPE_SEND;
|
||
|
|
|
||
|
|
peer = endpoint->elan_vp;
|
||
|
|
proc = elan_btl->elan_vp;
|
||
|
|
|
||
|
|
sbuf = (void *)frag->base.des_src->seg_addr.pval;
|
||
|
|
send_len = frag->base.des_src->seg_len;
|
||
|
|
desc = (bufdesc_t * )malloc (sizeof(struct bufdesc_t));
|
||
|
|
desc->eve = elan_tportTxStart (elan_btl->tport, 0, peer, proc,frag->tag, sbuf, send_len) ;
|
||
|
|
/*opal_output( 0, "send message startoing from %p with ;length %d\n", sbuf, send_len );*/
|
||
|
|
|
||
|
|
desc->frag = frag;
|
||
|
|
desc->next = NULL;
|
||
|
|
BTL_ELAN_ADD_TO_FIFO( elan_btl, desc );
|
||
|
|
return OMPI_SUCCESS;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Initiate an asynchronous put.
|
||
|
|
*
|
||
|
|
* @param btl (IN) BTL module
|
||
|
|
* @param endpoint (IN) BTL addressing information
|
||
|
|
* @param descriptor (IN) Description of the data to be transferred
|
||
|
|
*/
|
||
|
|
|
||
|
|
int mca_btl_elan_put( mca_btl_base_module_t* btl,
|
||
|
|
mca_btl_base_endpoint_t* endpoint,
|
||
|
|
mca_btl_base_descriptor_t* des )
|
||
|
|
{
|
||
|
|
mca_btl_elan_module_t* elan_btl = (mca_btl_elan_module_t*) btl;
|
||
|
|
mca_btl_elan_frag_t* frag = (mca_btl_elan_frag_t*) des;
|
||
|
|
int peer = endpoint->elan_vp;
|
||
|
|
mca_btl_base_segment_t* src = des->des_src;
|
||
|
|
mca_btl_base_segment_t* dst = des->des_dst;
|
||
|
|
unsigned char* src_addr = (unsigned char*)src->seg_addr.pval;
|
||
|
|
size_t src_len = src->seg_len;
|
||
|
|
unsigned char* dst_addr = (unsigned char*)ompi_ptr_ltop(dst->seg_addr.lval);
|
||
|
|
/*size_t dst_len = dst->seg_len;*/
|
||
|
|
bufdesc_t * desc = (bufdesc_t * )malloc (sizeof(struct bufdesc_t));
|
||
|
|
frag->endpoint = endpoint;
|
||
|
|
frag->btl = elan_btl;
|
||
|
|
frag->type = MCA_BTL_ELAN_HDR_TYPE_PUT;
|
||
|
|
desc->eve = elan_put(elan_btl->state, src_addr, dst_addr, src_len, peer);
|
||
|
|
desc->frag = frag;
|
||
|
|
desc->next = NULL;
|
||
|
|
|
||
|
|
BTL_ELAN_ADD_TO_FIFO( elan_btl, desc );
|
||
|
|
|
||
|
|
return OMPI_SUCCESS;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Initiate an asynchronous get.
|
||
|
|
*
|
||
|
|
* @param btl (IN) BTL module
|
||
|
|
* @param endpoint (IN) BTL addressing information
|
||
|
|
* @param descriptor (IN) Description of the data to be transferred
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
int mca_btl_elan_get( mca_btl_base_module_t* btl,
|
||
|
|
mca_btl_base_endpoint_t* endpoint,
|
||
|
|
mca_btl_base_descriptor_t* descriptor )
|
||
|
|
{
|
||
|
|
/* mca_btl_elan_module_t* elan_btl = (mca_btl_elan_module_t*) btl; */
|
||
|
|
mca_btl_elan_frag_t* frag = (mca_btl_elan_frag_t*) descriptor;
|
||
|
|
frag->endpoint = endpoint;
|
||
|
|
/* TODO */
|
||
|
|
return OMPI_ERR_NOT_IMPLEMENTED;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Cleanup/release module resources.
|
||
|
|
*/
|
||
|
|
|
||
|
|
void cancel_elanRx(mca_btl_elan_module_t* elan_btl)
|
||
|
|
{
|
||
|
|
bufdesc_t * index = elan_btl->tportFIFOHead;
|
||
|
|
int i=0;
|
||
|
|
while(index!= NULL)
|
||
|
|
{
|
||
|
|
if(index->frag->type == MCA_BTL_ELAN_HDR_TYPE_RECV)
|
||
|
|
{
|
||
|
|
if(elan_tportRxCancel(index->eve))
|
||
|
|
{
|
||
|
|
i++;
|
||
|
|
MCA_BTL_TEMPLATE_FRAG_RETURN(index->frag);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
index = index->next;
|
||
|
|
}
|
||
|
|
opal_output(0, "cancel no. is %d\n", i);
|
||
|
|
}
|
||
|
|
|
||
|
|
int mca_btl_elan_finalize( struct mca_btl_base_module_t* btl )
|
||
|
|
{
|
||
|
|
mca_btl_elan_module_t* elan_btl = (mca_btl_elan_module_t*) btl;
|
||
|
|
OBJ_DESTRUCT(&elan_btl->elan_lock);
|
||
|
|
cancel_elanRx(elan_btl);
|
||
|
|
free(elan_btl);
|
||
|
|
return OMPI_SUCCESS;
|
||
|
|
}
|
||
|
|
|
||
|
|
int mca_btl_elan_ft_event(int state) {
|
||
|
|
if(OPAL_CRS_CHECKPOINT == state) {
|
||
|
|
;
|
||
|
|
}
|
||
|
|
else if(OPAL_CRS_CONTINUE == state) {
|
||
|
|
;
|
||
|
|
}
|
||
|
|
else if(OPAL_CRS_RESTART == state) {
|
||
|
|
;
|
||
|
|
}
|
||
|
|
else if(OPAL_CRS_TERM == state ) {
|
||
|
|
;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
;
|
||
|
|
}
|
||
|
|
|
||
|
|
return OMPI_SUCCESS;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
bufdesc_t * elan_ipeek(mca_btl_elan_module_t* elan_btl)
|
||
|
|
{
|
||
|
|
bufdesc_t * desc = elan_btl->tportFIFOHead;
|
||
|
|
|
||
|
|
if( NULL == desc )
|
||
|
|
return NULL;
|
||
|
|
if( MCA_BTL_ELAN_HDR_TYPE_RECV == desc->frag->type ) {
|
||
|
|
if( !elan_tportRxDone(desc->eve) )
|
||
|
|
return NULL;
|
||
|
|
} else if( MCA_BTL_ELAN_HDR_TYPE_SEND == desc->frag->type ) {
|
||
|
|
if( !elan_tportTxDone(desc->eve) )
|
||
|
|
return NULL;
|
||
|
|
} else {
|
||
|
|
if( !elan_done(desc->eve,0) )
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
elan_btl->tportFIFOHead = elan_btl->tportFIFOHead->next;
|
||
|
|
if( NULL == elan_btl->tportFIFOHead )
|
||
|
|
elan_btl->tportFIFOTail = NULL;
|
||
|
|
return desc;
|
||
|
|
}
|