247 строки
9.0 KiB
C
247 строки
9.0 KiB
C
/*
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* Copyright (c) 2004-2008 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) 2004-2006 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 (c) 2014 Los Alamos National Security, LLC. 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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* These symbols are in a file by themselves to provide nice linker
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* semantics. Since linkers generally pull in symbols by object
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* files, keeping these symbols as the only symbols in this file
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* prevents utility programs such as "ompi_info" from having to import
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* entire components just to query their version and parameters.
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*/
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#include "orte_config.h"
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#include "orte/constants.h"
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#include <stdlib.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <ctype.h>
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#include <sys/syscall.h>
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#include "opal/mca/mca.h"
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#include "opal/mca/base/base.h"
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#include "opal/util/opal_environ.h"
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#include "orte/mca/odls/odls.h"
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#include "orte/mca/odls/base/base.h"
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#include "orte/mca/odls/base/odls_private.h"
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#include "orte/mca/odls/alps/odls_alps.h"
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int orte_odls_alps_get_rdma_creds(void)
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{
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int alps_status = 0, num_creds, i, len;
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uint64_t apid;
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size_t alps_count;
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int ret = ORTE_SUCCESS;
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alpsAppLLIGni_t *rdmacred_rsp=NULL;
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alpsAppGni_t *rdmacred_buf;
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char *ptr;
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char env_buffer[1024];
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/*
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* get the Cray HSN RDMA credentials here and stuff them in to the
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* PMI env variable format expected by uGNI consumers like the uGNI
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* BTL, etc. Stuff into the orte_launch_environ to make sure the
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* application processes can actually use the HSN API (uGNI).
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*/
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if (ORTE_PROC_IS_DAEMON) {
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ret = alps_app_lli_lock();
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/*
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* First get our apid
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*/
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ret = alps_app_lli_put_request(ALPS_APP_LLI_ALPS_REQ_APID, NULL, 0);
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if (ALPS_APP_LLI_ALPS_STAT_OK != ret) {
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OPAL_OUTPUT_VERBOSE((20, orte_odls_base_framework.framework_output,
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"%s odls:alps: alps_app_lli_put_request returned %d",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), ret));
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ret = ORTE_ERR_FILE_WRITE_FAILURE;
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goto fn_exit;
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}
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ret = alps_app_lli_get_response (&alps_status, &alps_count);
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if (ALPS_APP_LLI_ALPS_STAT_OK != alps_status) {
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OPAL_OUTPUT_VERBOSE((20, orte_odls_base_framework.framework_output,
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"%s odls:alps: alps_app_lli_get_response returned %d",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), alps_status));
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ret = ORTE_ERR_FILE_READ_FAILURE;
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goto fn_exit;
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}
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ret = alps_app_lli_get_response_bytes (&apid, sizeof(apid));
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if (ALPS_APP_LLI_ALPS_STAT_OK != ret) {
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OPAL_OUTPUT_VERBOSE((20, orte_odls_base_framework.framework_output,
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"%s odls:alps: alps_app_lli_get_response_bytes returned %d",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), ret));
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ret = ORTE_ERR_FILE_READ_FAILURE;
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goto fn_exit;
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}
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/*
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* now get the GNI rdma credentials info
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*/
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ret = alps_app_lli_put_request(ALPS_APP_LLI_ALPS_REQ_GNI, NULL, 0);
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if (ALPS_APP_LLI_ALPS_STAT_OK != ret) {
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OPAL_OUTPUT_VERBOSE((20, orte_odls_base_framework.framework_output,
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"%s odls:alps: alps_app_lli_put_request returned %d",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), ret));
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ret = ORTE_ERR_FILE_WRITE_FAILURE;
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goto fn_exit;
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}
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ret = alps_app_lli_get_response(&alps_status, &alps_count);
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if (ALPS_APP_LLI_ALPS_STAT_OK != alps_status) {
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OPAL_OUTPUT_VERBOSE((20, orte_odls_base_framework.framework_output,
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"%s odls:alps: alps_app_lli_get_response returned %d",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), alps_status));
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ret = ORTE_ERR_FILE_READ_FAILURE;
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goto fn_exit;
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}
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rdmacred_rsp = (alpsAppLLIGni_t *)malloc(alps_count);
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if (NULL == rdmacred_rsp) {
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ret = ORTE_ERR_OUT_OF_RESOURCE;
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goto fn_exit;
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}
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memset(rdmacred_rsp,0,alps_count);
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ret = alps_app_lli_get_response_bytes(rdmacred_rsp, alps_count);
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if (ALPS_APP_LLI_ALPS_STAT_OK != ret) {
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OPAL_OUTPUT_VERBOSE((20, orte_odls_base_framework.framework_output,
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"%s odls:alps: alps_app_lli_get_response_bytes returned %d",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), ret));
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free(rdmacred_rsp);
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ret = ORTE_ERR_FILE_READ_FAILURE;
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goto fn_exit;
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}
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ret = alps_app_lli_unlock();
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rdmacred_buf = (alpsAppGni_t *)(rdmacred_rsp->u.buf);
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/*
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* now set up the env. variables -
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* The cray pmi sets up 4 environment variables:
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* PMI_GNI_DEV_ID - format (id0:id1....idX)
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* PMI_GNI_LOC_ADDR - format (locaddr0:locaddr1:....locaddrX)
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* PMI_GNI_COOKIE - format (cookie0:cookie1:...cookieX)
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* PMI_GNI_PTAG - format (ptag0:ptag1:....ptagX)
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*
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* where X == num_creds - 1
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*
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* TODO: need in theory to check for possible overrun of env_buffer
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*/
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num_creds = rdmacred_rsp->count;
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/*
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* first build ptag env
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*/
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memset(env_buffer,0,sizeof(env_buffer));
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ptr = env_buffer;
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for (i=0; i<num_creds-1; i++) {
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len = sprintf(ptr,"%d:",rdmacred_buf[i].ptag);
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ptr += len;
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}
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sprintf(ptr,"%d",rdmacred_buf[num_creds-1].ptag);
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ret = opal_setenv("PMI_GNI_PTAG", env_buffer, false, &orte_launch_environ);
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if (ret != ORTE_SUCCESS) {
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OPAL_OUTPUT_VERBOSE((20, orte_odls_base_framework.framework_output,
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"%s odls:alps: opal_setenv for PMI_GNI_TAG returned %d",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), ret));
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goto fn_exit;
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}
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/*
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* the cookie env
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*/
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memset(env_buffer,0,sizeof(env_buffer));
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ptr = env_buffer;
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for (i=0; i<num_creds-1; i++) {
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len = sprintf(ptr,"%d:",rdmacred_buf[i].cookie);
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ptr += len;
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}
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sprintf(ptr,"%d",rdmacred_buf[num_creds-1].cookie);
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ret = opal_setenv("PMI_GNI_COOKIE", env_buffer, false, &orte_launch_environ);
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if (ret != ORTE_SUCCESS) {
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OPAL_OUTPUT_VERBOSE((20, orte_odls_base_framework.framework_output,
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"%s odls:alps: opal_setenv for PMI_GNI_COOKIE returned %d",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), ret));
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goto fn_exit;
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}
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/*
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* nic loc addrs
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*/
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memset(env_buffer,0,sizeof(env_buffer));
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ptr = env_buffer;
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for (i=0; i<num_creds-1; i++) {
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len = sprintf(ptr,"%d:",rdmacred_buf[i].local_addr);
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ptr += len;
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}
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sprintf(ptr,"%d",rdmacred_buf[num_creds-1].local_addr);
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ret = opal_setenv("PMI_GNI_LOC_ADDR", env_buffer, false, &orte_launch_environ);
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if (ret != ORTE_SUCCESS) {
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OPAL_OUTPUT_VERBOSE((20, orte_odls_base_framework.framework_output,
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"%s odls:alps: opal_setenv for PMI_GNI_LOC_ADDR returned %d",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), ret));
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goto fn_exit;
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}
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/*
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* finally device ids
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*/
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memset(env_buffer,0,sizeof(env_buffer));
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ptr = env_buffer;
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for (i=0; i<num_creds-1; i++) {
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len = sprintf(ptr,"%d:",rdmacred_buf[i].device_id);
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ptr += len;
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}
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sprintf(ptr,"%d",rdmacred_buf[num_creds-1].device_id);
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ret = opal_setenv("PMI_GNI_DEV_ID", env_buffer, false, &orte_launch_environ);
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if (ret != ORTE_SUCCESS) {
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OPAL_OUTPUT_VERBOSE((20, orte_odls_base_framework.framework_output,
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"%s odls:alps: opal_setenv for PMI_GNI_DEV_ID returned %d",
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ORTE_NAME_PRINT(ORTE_PROC_MY_NAME), ret));
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goto fn_exit;
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}
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#if 0
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fprintf(stderr,"apid = 0x%lx ptag0 %d cookie0 0x%x(%d) ptag1 %d cookie1 0x%x(%d)\n",apid,
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rdmacred_buf[0].ptag,rdmacred_buf[0].cookie,rdmacred_buf[0].cookie,
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rdmacred_buf[1].ptag,rdmacred_buf[1].cookie,rdmacred_buf[1].cookie);
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#endif
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}
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fn_exit:
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return ret;
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}
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