/*****************************************************************************\
 *  select_linear.h
 *****************************************************************************
 *  Copyright (C) 2006-2007 Hewlett-Packard Development Company, L.P.
 *  Written by Susanne M. Balle, <susanne.balle@hp.com>
 *  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.
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 *  Slurm is free software; you can redistribute it and/or modify it under
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 *  any later version.
 *
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\*****************************************************************************/

#ifndef _SELECT_LINEAR_H
#define _SELECT_LINEAR_H

#include "src/common/slurm_topology.h"
#include "src/slurmctld/slurmctld.h"

/*
 * part_cr_record keeps track of the number of running jobs on
 * this node in this partition. Slurm allows a node to be
 * assigned to more than one partition. One or more partitions
 * may be configured to share the cores with more than one job.
 */

struct part_cr_record {
	part_record_t *part_ptr;	/* pointer to partition in slurmctld */
	uint16_t run_job_cnt;		/* number of running jobs on this node
					 * for this partition */
	uint16_t tot_job_cnt;		/* number of jobs allocated to this
					 * node for this partition 
					 * (RUNNING & SUSPENDED) */
	struct part_cr_record *next;	/* ptr to next part_cr_record */
};

/*
 * node_cr_record keeps track of the resources within a node which
 * have been reserved by already scheduled jobs.
 */
struct node_cr_record {
	struct part_cr_record *parts;	/* ptr to singly-linked part_cr_record
					 * list that contains alloc_core info */
	uint64_t alloc_memory;		/* real memory reserved by already
					 * scheduled jobs */
	uint16_t exclusive_cnt;		/* count of jobs exclusively allocated
					 * this node (from different
					 * partitions) */
	List gres_list;			/* list of gres state info managed by 
					 * plugins */
};

struct cr_record {
	struct node_cr_record *nodes;	/* ptr to array of node records */
	uint32_t *run_job_ids;		/* job IDs for running jobs */
	uint16_t run_job_len;		/* length of run_job_ids array */
	uint32_t *tot_job_ids;		/* job IDs for allocated jobs 
					 * (RUNNING & SUSPENDED)*/
	uint16_t tot_job_len;		/* length of tot_job_ids array */
};

#endif /* !_SELECT_LINEAR_H */