428 строки
14 KiB
C
428 строки
14 KiB
C
/*
|
|
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
|
|
* University Research and Technology
|
|
* Corporation. All rights reserved.
|
|
* Copyright (c) 2004-2005 The University of Tennessee and The University
|
|
* of Tennessee Research Foundation. All rights
|
|
* reserved.
|
|
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
|
|
* University of Stuttgart. All rights reserved.
|
|
* Copyright (c) 2004-2005 The Regents of the University of California.
|
|
* All rights reserved.
|
|
* $COPYRIGHT$
|
|
*
|
|
* Additional copyrights may follow
|
|
*
|
|
* $HEADER$
|
|
*/
|
|
|
|
#include "ompi_config.h"
|
|
#include <string.h>
|
|
#include "opal/util/output.h"
|
|
#include "opal/util/if.h"
|
|
#include "mca/pml/pml.h"
|
|
#include "mca/btl/btl.h"
|
|
|
|
#include "btl_template.h"
|
|
#include "btl_template_frag.h"
|
|
#include "btl_template_proc.h"
|
|
#include "btl_template_endpoint.h"
|
|
#include "datatype/convertor.h"
|
|
#include "mca/mpool/base/base.h"
|
|
#include "mca/mpool/mpool.h"
|
|
|
|
|
|
mca_btl_template_module_t mca_btl_template_module = {
|
|
{
|
|
&mca_btl_template_component.super,
|
|
0, /* max size of first fragment */
|
|
0, /* min send fragment size */
|
|
0, /* max send fragment size */
|
|
0, /* min rdma fragment size */
|
|
0, /* max rdma fragment size */
|
|
0, /* exclusivity */
|
|
0, /* latency */
|
|
0, /* bandwidth */
|
|
0, /* flags */
|
|
mca_btl_template_add_procs,
|
|
mca_btl_template_del_procs,
|
|
mca_btl_template_register,
|
|
mca_btl_template_finalize,
|
|
mca_btl_template_alloc,
|
|
mca_btl_template_free,
|
|
mca_btl_template_prepare_src,
|
|
mca_btl_template_prepare_dst,
|
|
mca_btl_template_send,
|
|
mca_btl_template_put,
|
|
NULL /* get */
|
|
}
|
|
};
|
|
|
|
/**
|
|
*
|
|
*/
|
|
|
|
int mca_btl_template_add_procs(
|
|
struct mca_btl_base_module_t* btl,
|
|
size_t nprocs,
|
|
struct ompi_proc_t **ompi_procs,
|
|
struct mca_btl_base_endpoint_t** peers,
|
|
ompi_bitmap_t* reachable)
|
|
{
|
|
mca_btl_template_module_t* template_btl = (mca_btl_template_module_t*)btl;
|
|
int i, rc;
|
|
|
|
for(i = 0; i < (int) nprocs; i++) {
|
|
|
|
struct ompi_proc_t* ompi_proc = ompi_procs[i];
|
|
mca_btl_template_proc_t* template_proc;
|
|
mca_btl_base_endpoint_t* template_endpoint;
|
|
|
|
if(NULL == (template_proc = mca_btl_template_proc_create(ompi_proc))) {
|
|
return OMPI_ERR_OUT_OF_RESOURCE;
|
|
}
|
|
|
|
/*
|
|
* Check to make sure that the peer has at least as many interface
|
|
* addresses exported as we are trying to use. If not, then
|
|
* don't bind this PTL instance to the proc.
|
|
*/
|
|
|
|
OPAL_THREAD_LOCK(&template_proc->proc_lock);
|
|
|
|
/* The btl_proc datastructure is shared by all TEMPLATE PTL
|
|
* instances that are trying to reach this destination.
|
|
* Cache the peer instance on the btl_proc.
|
|
*/
|
|
template_endpoint = OBJ_NEW(mca_btl_template_endpoint_t);
|
|
if(NULL == template_endpoint) {
|
|
OPAL_THREAD_UNLOCK(&template_proc->proc_lock);
|
|
return OMPI_ERR_OUT_OF_RESOURCE;
|
|
}
|
|
|
|
template_endpoint->endpoint_btl = template_btl;
|
|
rc = mca_btl_template_proc_insert(template_proc, template_endpoint);
|
|
if(rc != OMPI_SUCCESS) {
|
|
OBJ_RELEASE(template_endpoint);
|
|
OPAL_THREAD_UNLOCK(&template_proc->proc_lock);
|
|
continue;
|
|
}
|
|
|
|
ompi_bitmap_set_bit(reachable, i);
|
|
OPAL_THREAD_UNLOCK(&template_proc->proc_lock);
|
|
peers[i] = template_endpoint;
|
|
}
|
|
|
|
return OMPI_SUCCESS;
|
|
}
|
|
|
|
int mca_btl_template_del_procs(struct mca_btl_base_module_t* btl,
|
|
size_t nprocs,
|
|
struct ompi_proc_t **procs,
|
|
struct mca_btl_base_endpoint_t ** peers)
|
|
{
|
|
/* TODO */
|
|
return OMPI_SUCCESS;
|
|
}
|
|
|
|
|
|
/**
|
|
* Register callback function to support send/recv semantics
|
|
*/
|
|
|
|
int mca_btl_template_register(
|
|
struct mca_btl_base_module_t* btl,
|
|
mca_btl_base_tag_t tag,
|
|
mca_btl_base_module_recv_cb_fn_t cbfunc,
|
|
void* cbdata)
|
|
{
|
|
mca_btl_template_module_t* template_btl = (mca_btl_template_module_t*) btl;
|
|
template_btl->template_reg[tag].cbfunc = cbfunc;
|
|
template_btl->template_reg[tag].cbdata = cbdata;
|
|
return OMPI_SUCCESS;
|
|
}
|
|
|
|
|
|
/**
|
|
* Allocate a segment.
|
|
*
|
|
* @param btl (IN) BTL module
|
|
* @param size (IN) Request segment size.
|
|
*/
|
|
|
|
mca_btl_base_descriptor_t* mca_btl_template_alloc(
|
|
struct mca_btl_base_module_t* btl,
|
|
size_t size)
|
|
{
|
|
mca_btl_template_module_t* template_btl = (mca_btl_template_module_t*) btl;
|
|
mca_btl_template_frag_t* frag;
|
|
int rc;
|
|
|
|
if(size <= btl->btl_eager_limit){
|
|
MCA_BTL_TEMPLATE_FRAG_ALLOC_EAGER(template_btl, frag, rc);
|
|
frag->segment.seg_len =
|
|
size <= btl->btl_eager_limit ?
|
|
size : btl->btl_eager_limit ;
|
|
} else {
|
|
MCA_BTL_TEMPLATE_FRAG_ALLOC_MAX(template_btl, frag, rc);
|
|
frag->segment.seg_len =
|
|
size <= btl->btl_max_send_size ?
|
|
size : btl->btl_max_send_size ;
|
|
}
|
|
|
|
frag->base.des_flags = 0;
|
|
return (mca_btl_base_descriptor_t*)frag;
|
|
}
|
|
|
|
|
|
/**
|
|
* Return a segment
|
|
*/
|
|
|
|
int mca_btl_template_free(
|
|
struct mca_btl_base_module_t* btl,
|
|
mca_btl_base_descriptor_t* des)
|
|
{
|
|
mca_btl_template_frag_t* frag = (mca_btl_template_frag_t*)des;
|
|
if(frag->size == 0) {
|
|
#if MCA_BTL_HAS_MPOOL
|
|
OBJ_RELEASE(frag->registration);
|
|
#endif
|
|
MCA_BTL_TEMPLATE_FRAG_RETURN_USER(btl, frag);
|
|
} else if(frag->size == btl->btl_eager_limit){
|
|
MCA_BTL_TEMPLATE_FRAG_RETURN_EAGER(btl, frag);
|
|
} else if(frag->size == btl->btl_max_send_size) {
|
|
MCA_BTL_TEMPLATE_FRAG_RETURN_EAGER(btl, frag);
|
|
} else {
|
|
return OMPI_ERR_BAD_PARAM;
|
|
}
|
|
return OMPI_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
* Pack data and return a descriptor that can be
|
|
* used for send/put.
|
|
*
|
|
* @param btl (IN) BTL module
|
|
* @param peer (IN) BTL peer addressing
|
|
*/
|
|
mca_btl_base_descriptor_t* mca_btl_template_prepare_src(
|
|
struct mca_btl_base_module_t* btl,
|
|
struct mca_btl_base_endpoint_t* endpoint,
|
|
struct mca_mpool_base_registration_t* registration,
|
|
struct ompi_convertor_t* convertor,
|
|
size_t reserve,
|
|
size_t* size
|
|
)
|
|
{
|
|
mca_btl_template_frag_t* frag;
|
|
struct iovec iov;
|
|
uint32_t iov_count = 1;
|
|
size_t max_data = *size;
|
|
int32_t free_after;
|
|
int rc;
|
|
|
|
|
|
/*
|
|
* if we aren't pinning the data and the requested size is less
|
|
* than the eager limit pack into a fragment from the eager pool
|
|
*/
|
|
if (max_data+reserve <= btl->btl_eager_limit) {
|
|
|
|
MCA_BTL_TEMPLATE_FRAG_ALLOC_EAGER(btl, frag, rc);
|
|
if(NULL == frag) {
|
|
return NULL;
|
|
}
|
|
|
|
iov.iov_len = max_data;
|
|
iov.iov_base = (unsigned char*) frag->segment.seg_addr.pval + reserve;
|
|
|
|
rc = ompi_convertor_pack(convertor, &iov, &iov_count, &max_data, &free_after);
|
|
*size = max_data;
|
|
if( rc < 0 ) {
|
|
MCA_BTL_TEMPLATE_FRAG_RETURN_EAGER(btl, frag);
|
|
return NULL;
|
|
}
|
|
frag->segment.seg_len = max_data + reserve;
|
|
}
|
|
|
|
/*
|
|
* otherwise pack as much data as we can into a fragment
|
|
* that is the max send size.
|
|
*/
|
|
else {
|
|
|
|
MCA_BTL_TEMPLATE_FRAG_ALLOC_MAX(btl, frag, rc);
|
|
if(NULL == frag) {
|
|
return NULL;
|
|
}
|
|
if(max_data + reserve > frag->size){
|
|
max_data = frag->size - reserve;
|
|
}
|
|
iov.iov_len = max_data;
|
|
iov.iov_base = (unsigned char*) frag->segment.seg_addr.pval + reserve;
|
|
|
|
rc = ompi_convertor_pack(convertor, &iov, &iov_count, &max_data, &free_after);
|
|
*size = max_data;
|
|
|
|
if( rc < 0 ) {
|
|
MCA_BTL_TEMPLATE_FRAG_RETURN_MAX(btl, frag);
|
|
return NULL;
|
|
}
|
|
frag->segment.seg_len = max_data + reserve;
|
|
}
|
|
|
|
frag->base.des_src = &frag->segment;
|
|
frag->base.des_src_cnt = 1;
|
|
frag->base.des_dst = NULL;
|
|
frag->base.des_dst_cnt = 0;
|
|
frag->base.des_flags = 0;
|
|
return &frag->base;
|
|
}
|
|
|
|
|
|
/**
|
|
* Prepare a descriptor for send/rdma using the supplied
|
|
* convertor. If the convertor references data that is contigous,
|
|
* the descriptor may simply point to the user buffer. Otherwise,
|
|
* this routine is responsible for allocating buffer space and
|
|
* packing if required.
|
|
*
|
|
* @param btl (IN) BTL module
|
|
* @param endpoint (IN) BTL peer addressing
|
|
* @param convertor (IN) Data type convertor
|
|
* @param reserve (IN) Additional bytes requested by upper layer to precede user data
|
|
* @param size (IN/OUT) Number of bytes to prepare (IN), number of bytes actually prepared (OUT)
|
|
*/
|
|
|
|
mca_btl_base_descriptor_t* mca_btl_template_prepare_dst(
|
|
struct mca_btl_base_module_t* btl,
|
|
struct mca_btl_base_endpoint_t* endpoint,
|
|
struct mca_mpool_base_registration_t* registration,
|
|
struct ompi_convertor_t* convertor,
|
|
size_t reserve,
|
|
size_t* size)
|
|
{
|
|
mca_btl_template_frag_t* frag;
|
|
int rc;
|
|
|
|
MCA_BTL_TEMPLATE_FRAG_ALLOC_USER(btl, frag, rc);
|
|
if(NULL == frag) {
|
|
return NULL;
|
|
}
|
|
|
|
frag->segment.seg_len = *size;
|
|
frag->segment.seg_addr.pval = convertor->pBaseBuf + convertor->bConverted;
|
|
|
|
frag->base.des_src = NULL;
|
|
frag->base.des_src_cnt = 0;
|
|
frag->base.des_dst = &frag->segment;
|
|
frag->base.des_dst_cnt = 1;
|
|
frag->base.des_flags = 0;
|
|
return &frag->base;
|
|
}
|
|
|
|
|
|
/**
|
|
* Initiate an asynchronous send.
|
|
*
|
|
* @param btl (IN) BTL module
|
|
* @param endpoint (IN) BTL addressing information
|
|
* @param descriptor (IN) Description of the data to be transfered
|
|
* @param tag (IN) The tag value used to notify the peer.
|
|
*/
|
|
|
|
int mca_btl_template_send(
|
|
struct mca_btl_base_module_t* btl,
|
|
struct mca_btl_base_endpoint_t* endpoint,
|
|
struct mca_btl_base_descriptor_t* descriptor,
|
|
mca_btl_base_tag_t tag)
|
|
|
|
{
|
|
/* mca_btl_template_module_t* template_btl = (mca_btl_template_module_t*) btl; */
|
|
mca_btl_template_frag_t* frag = (mca_btl_template_frag_t*)descriptor;
|
|
frag->endpoint = endpoint;
|
|
/* TODO */
|
|
return OMPI_ERR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
|
|
/**
|
|
* 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_template_put(
|
|
mca_btl_base_module_t* btl,
|
|
mca_btl_base_endpoint_t* endpoint,
|
|
mca_btl_base_descriptor_t* descriptor)
|
|
{
|
|
/* mca_btl_template_module_t* template_btl = (mca_btl_template_module_t*) btl; */
|
|
mca_btl_template_frag_t* frag = (mca_btl_template_frag_t*) descriptor;
|
|
frag->endpoint = endpoint;
|
|
/* TODO */
|
|
return OMPI_ERR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
|
|
/**
|
|
* 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_template_get(
|
|
mca_btl_base_module_t* btl,
|
|
mca_btl_base_endpoint_t* endpoint,
|
|
mca_btl_base_descriptor_t* descriptor)
|
|
{
|
|
/* mca_btl_template_module_t* template_btl = (mca_btl_template_module_t*) btl; */
|
|
mca_btl_template_frag_t* frag = (mca_btl_template_frag_t*) descriptor;
|
|
frag->endpoint = endpoint;
|
|
/* TODO */
|
|
return OMPI_ERR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
|
|
/*
|
|
* Cleanup/release module resources.
|
|
*/
|
|
|
|
int mca_btl_template_finalize(struct mca_btl_base_module_t* btl)
|
|
{
|
|
mca_btl_template_module_t* template_btl = (mca_btl_template_module_t*) btl;
|
|
|
|
if(template_btl->template_frag_eager.fl_num_allocated !=
|
|
template_btl->template_frag_eager.super.opal_list_length){
|
|
opal_output(0, "btl template_frag_eager: %d allocated %d returned \n",
|
|
template_btl->template_frag_eager.fl_num_allocated,
|
|
template_btl->template_frag_eager.super.opal_list_length);
|
|
}
|
|
if(template_btl->template_frag_max.fl_num_allocated !=
|
|
template_btl->template_frag_max.super.opal_list_length) {
|
|
opal_output(0, "btl template_frag_max: %d allocated %d returned \n",
|
|
template_btl->template_frag_max.fl_num_allocated,
|
|
template_btl->template_frag_max.super.opal_list_length);
|
|
}
|
|
if(template_btl->template_frag_user.fl_num_allocated !=
|
|
template_btl->template_frag_user.super.opal_list_length){
|
|
opal_output(0, "btl template_frag_user: %d allocated %d returned \n",
|
|
template_btl->template_frag_user.fl_num_allocated,
|
|
template_btl->template_frag_user.super.opal_list_length);
|
|
}
|
|
|
|
OBJ_DESTRUCT(&template_btl->template_lock);
|
|
OBJ_DESTRUCT(&template_btl->template_frag_eager);
|
|
OBJ_DESTRUCT(&template_btl->template_frag_max);
|
|
OBJ_DESTRUCT(&template_btl->template_frag_user);
|
|
free(template_btl);
|
|
return OMPI_SUCCESS;
|
|
}
|
|
|