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/*
* 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 "opal/class/opal_hash_table.h"
#include "ompi/runtime/ompi_module_exchange.h"
#ifdef HAVE_INTTYPES_H
#include <inttypes.h>
#endif
#include "orte/util/name_fns.h"
#include "orte/runtime/orte_globals.h"
#include "btl_gm.h"
#include "btl_gm_proc.h"
static void mca_btl_gm_proc_construct(mca_btl_gm_proc_t* proc);
static void mca_btl_gm_proc_destruct(mca_btl_gm_proc_t* proc);
OBJ_CLASS_INSTANCE(mca_btl_gm_proc_t,
opal_list_item_t, mca_btl_gm_proc_construct,
mca_btl_gm_proc_destruct);
void mca_btl_gm_proc_construct(mca_btl_gm_proc_t* proc)
{
proc->proc_ompi = 0;
proc->proc_addr_count = 0;
proc->proc_endpoints = 0;
proc->proc_endpoint_count = 0;
OBJ_CONSTRUCT(&proc->proc_lock, opal_mutex_t);
/* add to list of all proc instance */
OPAL_THREAD_LOCK(&mca_btl_gm_component.gm_lock);
opal_list_append(&mca_btl_gm_component.gm_procs, &proc->super);
OPAL_THREAD_UNLOCK(&mca_btl_gm_component.gm_lock);
}
/*
* Cleanup ib proc instance
*/
void mca_btl_gm_proc_destruct(mca_btl_gm_proc_t* proc)
{
/* remove from list of all proc instances */
OPAL_THREAD_LOCK(&mca_btl_gm_component.gm_lock);
opal_list_remove_item(&mca_btl_gm_component.gm_procs, &proc->super);
OPAL_THREAD_UNLOCK(&mca_btl_gm_component.gm_lock);
/* release resources */
if(NULL != proc->proc_endpoints) {
free(proc->proc_endpoints);
}
}
/*
* Look for an existing GM process instances based on the associated
* ompi_proc_t instance.
*/
static mca_btl_gm_proc_t* mca_btl_gm_proc_lookup_ompi(ompi_proc_t* ompi_proc)
{
mca_btl_gm_proc_t* gm_proc;
OPAL_THREAD_LOCK(&mca_btl_gm_component.gm_lock);
for(gm_proc = (mca_btl_gm_proc_t*)
opal_list_get_first(&mca_btl_gm_component.gm_procs);
gm_proc != (mca_btl_gm_proc_t*)
opal_list_get_end(&mca_btl_gm_component.gm_procs);
gm_proc = (mca_btl_gm_proc_t*)opal_list_get_next(gm_proc)) {
if(gm_proc->proc_ompi == ompi_proc) {
OPAL_THREAD_UNLOCK(&mca_btl_gm_component.gm_lock);
return gm_proc;
}
}
OPAL_THREAD_UNLOCK(&mca_btl_gm_component.gm_lock);
return NULL;
}
/*
* Create a GM process structure. There is a one-to-one correspondence
* between a ompi_proc_t and a mca_btl_gm_proc_t instance. We cache
* additional data (specifically the list of mca_btl_gm_endpoint_t instances,
* and published addresses) associated w/ a given destination on this
* datastructure.
*/
mca_btl_gm_proc_t* mca_btl_gm_proc_create(ompi_proc_t* ompi_proc)
{
mca_btl_gm_proc_t* gm_proc = NULL;
size_t i, size;
int rc;
/* Check if we have already created a GM proc
* structure for this ompi process */
gm_proc = mca_btl_gm_proc_lookup_ompi(ompi_proc);
if(gm_proc != NULL) {
return gm_proc;
}
/* create a new gm proc out of the ompi_proc ... */
gm_proc = OBJ_NEW(mca_btl_gm_proc_t);
gm_proc->proc_endpoint_count = 0;
gm_proc->proc_ompi = ompi_proc;
gm_proc->proc_guid = ompi_proc->proc_name;
/* query for the peer address info */
rc = ompi_modex_recv(
&mca_btl_gm_component.super.btl_version,
ompi_proc,
(void*)&gm_proc->proc_addrs,
&size);
if(OMPI_SUCCESS != rc) {
opal_output(0, "[%s:%d] ompi_modex_recv failed for peer %s",
__FILE__,__LINE__,ORTE_NAME_PRINT(&ompi_proc->proc_name));
OBJ_RELEASE(gm_proc);
return NULL;
}
if((size % sizeof(mca_btl_gm_addr_t)) != 0) {
opal_output(0, "[%s:%d] invalid gm address for peer %s",
__FILE__,__LINE__,ORTE_NAME_PRINT(&ompi_proc->proc_name));
OBJ_RELEASE(gm_proc);
return NULL;
}
gm_proc->proc_addr_count = size/sizeof(mca_btl_gm_addr_t);
if (0 == gm_proc->proc_addr_count) {
gm_proc->proc_endpoints = NULL;
} else {
gm_proc->proc_endpoints = (mca_btl_base_endpoint_t**)
malloc(gm_proc->proc_addr_count * sizeof(mca_btl_base_endpoint_t*));
}
if(NULL == gm_proc->proc_endpoints) {
OBJ_RELEASE(gm_proc);
return NULL;
}
for (i = 0 ; i < gm_proc->proc_addr_count; ++i) {
MCA_BTL_GM_ADDR_NTOH(gm_proc->proc_addrs[i]);
}
return gm_proc;
}
/*
* Note that this routine must be called with the lock on the process
* already held. Insert a btl instance into the proc array and assign
* it an address.
*/
int mca_btl_gm_proc_insert(
mca_btl_gm_proc_t* gm_proc,
mca_btl_base_endpoint_t* gm_endpoint)
{
mca_btl_gm_module_t* gm_btl = gm_endpoint->endpoint_btl;
/* insert into endpoint array */
if(gm_proc->proc_addr_count <= gm_proc->proc_endpoint_count)
return OMPI_ERR_OUT_OF_RESOURCE;
gm_endpoint->endpoint_proc = gm_proc;
gm_endpoint->endpoint_addr = gm_proc->proc_addrs[gm_proc->proc_endpoint_count];
OPAL_THREAD_LOCK(&mca_btl_gm_component.gm_lock);
#if GM_API_VERSION > 0x200
if (GM_SUCCESS != gm_global_id_to_node_id(
gm_btl->port,
gm_endpoint->endpoint_addr.global_id,
&gm_endpoint->endpoint_addr.node_id)) {
opal_output( 0, "[%s:%d] error in converting global to local id \n",
__FILE__, __LINE__ );
return OMPI_ERROR;
}
if(mca_btl_gm_component.gm_debug > 0) {
opal_output(0, "%s mapped global id %" PRIu32
" to node id %" PRIu32 "\n",
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
gm_endpoint->endpoint_addr.global_id,
gm_endpoint->endpoint_addr.node_id);
}
#else
gm_endpoint->endpoint_addr.node_id = gm_host_name_to_node_id( gm_btl->port,
gm_endpoint->endpoint_addr.global_id);
if( GM_NO_SUCH_NODE_ID == gm_endpoint->endpoint_addr.node_id ) {
opal_output( 0, "[%s:%d] unable to convert the remote host name (%s) to a host id",
__FILE__, __LINE__, gm_endpoint->endpoint_addr.global_id);
return OMPI_ERROR;
}
#endif /* GM_API_VERSION > 0x200 */
OPAL_THREAD_UNLOCK(&mca_btl_gm_component.gm_lock);
gm_proc->proc_endpoints[gm_proc->proc_endpoint_count] = gm_endpoint;
gm_proc->proc_endpoint_count++;
return OMPI_SUCCESS;
}
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