blob: e9142a8f10f57317a20ed033ae4f4c74a2564250 [file] [log] [blame]
/*****************************************************************************\
* port_mgr.h - manage the reservation of I/O ports on the nodes.
* Design for use with OpenMPI.
*****************************************************************************
* Copyright (C) 2009 Lawrence Livermore National Security.
* Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
* Written by Morris Jette <jette1@llnl.gov>
* CODE-OCEC-09-009. All rights reserved.
*
* This file is part of Slurm, a resource management program.
* For details, see <https://slurm.schedmd.com/>.
* Please also read the included file: DISCLAIMER.
*
* Slurm is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* In addition, as a special exception, the copyright holders give permission
* to link the code of portions of this program with the OpenSSL library under
* certain conditions as described in each individual source file, and
* distribute linked combinations including the two. You must obey the GNU
* General Public License in all respects for all of the code used other than
* OpenSSL. If you modify file(s) with this exception, you may extend this
* exception to your version of the file(s), but you are not obligated to do
* so. If you do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source files in
* the program, then also delete it here.
*
* Slurm is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along
* with Slurm; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
\*****************************************************************************/
#ifndef _HAVE_PORT_MGR_H
#define _HAVE_PORT_MGR_H
/* Configure reserved ports.
* Call with mpi_params==NULL to free memory */
extern int reserve_port_config(char *mpi_params, list_t *job_list);
/*
* Configure reserved ports passed on job's resv_ports and resv_port_cnt
* Call with job_ptr->resv_ports == NULL to free memory.
* This should only be called by the slurmstepd when acting as step manager.
*/
extern int reserve_port_stepmgr_init(job_record_t *job_ptr);
/* Reserve ports for a job step
* RET SLURM_SUCCESS or an error code */
extern int resv_port_step_alloc(step_record_t *step_ptr);
/*
* Reserve ports for a job
* Used when the step manager is enabled
* RET SLURM_SUCCESS or an error code
*/
extern int resv_port_job_alloc(job_record_t *job_ptr);
/*
* Verify that the requested resv_port_cnt is valid.
*/
extern int resv_port_check_job_request_cnt(job_record_t *job_ptr);
/* Returns the total reserved ports configured */
extern int resv_port_get_resv_port_cnt();
/* Release reserved ports for a job step
* RET SLURM_SUCCESS or an error code */
extern void resv_port_step_free(step_record_t *step_ptr);
/*
* Release reserved ports for a job
* Used when the step manager is enabled
* RET SLURM_SUCCESS or an error code
*/
extern void resv_port_job_free(job_record_t *job_ptr);
#endif /* !_HAVE_PORT_MGR_H */