/* StarPU --- Runtime system for heterogeneous multicore architectures.
 *
 * Copyright (C) 2015  Université de Bordeaux
 * Copyright (C) 2015  CNRS
 * Copyright (C) 2015  INRIA
 *
 * StarPU is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or (at
 * your option) any later version.
 *
 * StarPU 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 Lesser General Public License in COPYING.LGPL for more details.
 */

#ifndef __STARPU_CLUSTERS_UTIL_H__
#define __STARPU_CLUSTERS_UTIL_H__

#ifdef STARPU_HAVE_HWLOC

#include <hwloc.h>

#ifdef __cplusplus
extern "C"
{
#endif

#define STARPU_CLUSTER_MIN_NB			(1<<STARPU_MODE_SHIFT)
#define STARPU_CLUSTER_MAX_NB			(2<<STARPU_MODE_SHIFT)
#define STARPU_CLUSTER_NB				(3<<STARPU_MODE_SHIFT)
#define STARPU_CLUSTER_POLICY_NAME		(4<<STARPU_MODE_SHIFT)
#define STARPU_CLUSTER_POLICY_STRUCT	(5<<STARPU_MODE_SHIFT)
#define STARPU_CLUSTER_KEEP_HOMOGENEOUS	(6<<STARPU_MODE_SHIFT)
#define STARPU_CLUSTER_PREFERE_MIN		(7<<STARPU_MODE_SHIFT)
#define STARPU_CLUSTER_CREATE_FUNC		(8<<STARPU_MODE_SHIFT)
#define STARPU_CLUSTER_CREATE_FUNC_ARG	(9<<STARPU_MODE_SHIFT)
#define STARPU_CLUSTER_TYPE				(10<<STARPU_MODE_SHIFT)
#define STARPU_CLUSTER_AWAKE_WORKERS	(11<<STARPU_MODE_SHIFT)
#define STARPU_CLUSTER_PARTITION_ONE	(12<<STARPU_MODE_SHIFT)
#define STARPU_CLUSTER_NEW				(13<<STARPU_MODE_SHIFT)
#define STARPU_CLUSTER_NCORES			(14<<STARPU_MODE_SHIFT)

/* These represent the default available functions to enforce cluster
 * use by the sub-runtime */
typedef enum
{
		OPENMP,
		INTEL_OPENMP_MKL,
#ifdef STARPU_MKL
		GNU_OPENMP_MKL,
#endif
} starpu_cluster_types;


typedef struct _starpu_cluster_group_list starpu_cluster_group_list_t;
struct _starpu_cluster_parameters;
typedef struct starpu_cluster_machine
{
		unsigned id;
		hwloc_topology_t topology;
		unsigned nclusters;
		unsigned ngroups;
		starpu_cluster_group_list_t* groups;
		struct _starpu_cluster_parameters* params;
}starpu_clusters;

struct starpu_cluster_machine* starpu_cluster_machine(hwloc_obj_type_t cluster_level, ...);
int starpu_uncluster_machine(struct starpu_cluster_machine* clusters);
int starpu_cluster_print(struct starpu_cluster_machine* clusters);

/* Prologue functions */
void starpu_openmp_prologue(void*);
#define starpu_intel_openmp_mkl_prologue starpu_openmp_prologue
#ifdef STARPU_MKL
void starpu_gnu_openmp_mkl_prologue(void*);
#endif /* STARPU_MKL */

#ifdef __cplusplus
}
#endif

#endif
#endif /* __STARPU_CLUSTERS_UTIL_H__ */