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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2011-2012 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2013-2018 Intel, Inc. All rights reserved.
* Copyright (c) 2015 Los Alamos National Security, LLC. All rights
* reserved.
*
* $COPYRIGHT$
*
* Additional copyrights may follow
*/
#ifndef OPAL_MCA_HWLOC_H
#define OPAL_MCA_HWLOC_H
#include "opal_config.h"
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#include <stdint.h>
#include <stdarg.h>
#include "opal/class/opal_list.h"
#include "opal/class/opal_value_array.h"
#include "opal/mca/mca.h"
#include "opal/mca/base/base.h"
BEGIN_C_DECLS
#ifdef WIN32
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#undef WIN32_LEAN_AND_MEAN
typedef unsigned char u_char;
typedef unsigned short u_short;
#endif
/**
* Structure for hwloc components.
*/
struct opal_hwloc_base_component_2_0_0_t {
/** MCA base component */
mca_base_component_t base_version;
/** MCA base data */
mca_base_component_data_t base_data;
};
/**
* Convenience typedef
*/
typedef struct opal_hwloc_base_component_2_0_0_t opal_hwloc_base_component_2_0_0_t;
typedef struct opal_hwloc_base_component_2_0_0_t opal_hwloc_component_t;
/**
* Macro for use in components that are of type hwloc
*/
#define OPAL_HWLOC_BASE_VERSION_2_0_0 \
OPAL_MCA_BASE_VERSION_2_1_0("hwloc", 2, 0, 0)
/* ******************************************************************** */
/* Although we cannot bind if --without-hwloc is set,
* we do still need to know some basic locality data
* like on_node and not_on_node. So ensure that we
* always have access to that much info by including
* the definitions here, outside the if-have-hwloc test
*/
typedef uint16_t opal_hwloc_locality_t;
#define OPAL_HWLOC_LOCALITY_T OPAL_UINT16
/** Process locality definitions */
enum {
OPAL_PROC_LOCALITY_UNKNOWN = 0x0000,
OPAL_PROC_NON_LOCAL = 0x8000,
OPAL_PROC_ON_CLUSTER = 0x0001,
OPAL_PROC_ON_CU = 0x0002,
OPAL_PROC_ON_HOST = 0x0004,
OPAL_PROC_ON_BOARD = 0x0008,
OPAL_PROC_ON_NODE = 0x000c, // same host and board
OPAL_PROC_ON_NUMA = 0x0010,
OPAL_PROC_ON_SOCKET = 0x0020,
OPAL_PROC_ON_L3CACHE = 0x0040,
OPAL_PROC_ON_L2CACHE = 0x0080,
OPAL_PROC_ON_L1CACHE = 0x0100,
OPAL_PROC_ON_CORE = 0x0200,
OPAL_PROC_ON_HWTHREAD = 0x0400,
OPAL_PROC_ALL_LOCAL = 0x0fff,
};
/** Process locality macros */
#define OPAL_PROC_ON_LOCAL_CLUSTER(n) (!!((n) & OPAL_PROC_ON_CLUSTER))
#define OPAL_PROC_ON_LOCAL_CU(n) (!!((n) & OPAL_PROC_ON_CU))
#define OPAL_PROC_ON_LOCAL_HOST(n) (!!((n) & OPAL_PROC_ON_HOST))
#define OPAL_PROC_ON_LOCAL_BOARD(n) (!!((n) & OPAL_PROC_ON_BOARD))
#define OPAL_PROC_ON_LOCAL_NODE(n) (OPAL_PROC_ON_LOCAL_HOST(n) && OPAL_PROC_ON_LOCAL_BOARD(n))
#define OPAL_PROC_ON_LOCAL_NUMA(n) (!!((n) & OPAL_PROC_ON_NUMA))
#define OPAL_PROC_ON_LOCAL_SOCKET(n) (!!((n) & OPAL_PROC_ON_SOCKET))
#define OPAL_PROC_ON_LOCAL_L3CACHE(n) (!!((n) & OPAL_PROC_ON_L3CACHE))
#define OPAL_PROC_ON_LOCAL_L2CACHE(n) (!!((n) & OPAL_PROC_ON_L2CACHE))
#define OPAL_PROC_ON_LOCAL_L1CACHE(n) (!!((n) & OPAL_PROC_ON_L1CACHE))
#define OPAL_PROC_ON_LOCAL_CORE(n) (!!((n) & OPAL_PROC_ON_CORE))
#define OPAL_PROC_ON_LOCAL_HWTHREAD(n) (!!((n) & OPAL_PROC_ON_HWTHREAD))
/* ******************************************************************** */
/**
* Struct used to describe a section of memory (starting address
* and length). This is really the same thing as an iovec, but
* we include a separate type for it for at least 2 reasons:
*
* 1. Some OS's iovec definitions are exceedingly lame (e.g.,
* Solaris 9 has the length argument as an int, instead of a
* size_t).
*
* 2. We reserve the right to expand/change this struct in the
* future.
*/
typedef struct {
/** Starting address of segment */
void *mbs_start_addr;
/** Length of segment */
size_t mbs_len;
} opal_hwloc_base_memory_segment_t;
/* include implementation to call */
#include MCA_hwloc_IMPLEMENTATION_HEADER
/* define type of processor info requested */
typedef uint8_t opal_hwloc_resource_type_t;
#define OPAL_HWLOC_PHYSICAL 1
#define OPAL_HWLOC_LOGICAL 2
#define OPAL_HWLOC_AVAILABLE 3
/* structs for storing info on objects */
typedef struct {
opal_object_t super;
bool npus_calculated;
unsigned int npus;
unsigned int idx;
unsigned int num_bound;
} opal_hwloc_obj_data_t;
OBJ_CLASS_DECLARATION(opal_hwloc_obj_data_t);
typedef struct {
opal_list_item_t super;
hwloc_obj_type_t type;
unsigned cache_level;
unsigned int num_objs;
opal_hwloc_resource_type_t rtype;
opal_list_t sorted_by_dist_list;
} opal_hwloc_summary_t;
OBJ_CLASS_DECLARATION(opal_hwloc_summary_t);
typedef struct {
opal_object_t super;
hwloc_cpuset_t available;
opal_list_t summaries;
/** \brief Additional space for custom data */
void *userdata;
} opal_hwloc_topo_data_t;
OPAL_DECLSPEC OBJ_CLASS_DECLARATION(opal_hwloc_topo_data_t);
/* define binding policies */
typedef uint16_t opal_binding_policy_t;
#define OPAL_BINDING_POLICY OPAL_UINT16
/* binding directives */
#define OPAL_BIND_IF_SUPPORTED 0x1000
/* allow assignment of multiple procs to
* same cpu */
#define OPAL_BIND_ALLOW_OVERLOAD 0x2000
/* the binding policy was specified by the user */
#define OPAL_BIND_GIVEN 0x4000
/* bind each rank to the cpu in the given
* cpu list based on its node-local-rank */
#define OPAL_BIND_ORDERED 0x8000
/* binding policies - any changes in these
* values must be reflected in orte/mca/rmaps/rmaps.h
*/
#define OPAL_BIND_TO_NONE 1
#define OPAL_BIND_TO_BOARD 2
#define OPAL_BIND_TO_NUMA 3
#define OPAL_BIND_TO_SOCKET 4
#define OPAL_BIND_TO_L3CACHE 5
#define OPAL_BIND_TO_L2CACHE 6
#define OPAL_BIND_TO_L1CACHE 7
#define OPAL_BIND_TO_CORE 8
#define OPAL_BIND_TO_HWTHREAD 9
#define OPAL_BIND_TO_CPUSET 10
#define OPAL_GET_BINDING_POLICY(pol) \
((pol) & 0x0fff)
#define OPAL_SET_BINDING_POLICY(target, pol) \
(target) = (pol) | (((target) & 0xf000) | OPAL_BIND_GIVEN)
#define OPAL_SET_DEFAULT_BINDING_POLICY(target, pol) \
do { \
if (!OPAL_BINDING_POLICY_IS_SET((target))) { \
(target) = (pol) | (((target) & 0xf000) | \
OPAL_BIND_IF_SUPPORTED); \
} \
} while(0);
/* check if policy is set */
#define OPAL_BINDING_POLICY_IS_SET(pol) \
((pol) & 0x4000)
/* macro to detect if binding was qualified */
#define OPAL_BINDING_REQUIRED(n) \
(!(OPAL_BIND_IF_SUPPORTED & (n)))
/* macro to detect if binding is forced */
#define OPAL_BIND_OVERLOAD_ALLOWED(n) \
(OPAL_BIND_ALLOW_OVERLOAD & (n))
#define OPAL_BIND_ORDERED_REQUESTED(n) \
(OPAL_BIND_ORDERED & (n))
/* some global values */
OPAL_DECLSPEC extern hwloc_topology_t opal_hwloc_topology;
OPAL_DECLSPEC extern opal_binding_policy_t opal_hwloc_binding_policy;
OPAL_DECLSPEC extern hwloc_cpuset_t opal_hwloc_my_cpuset;
OPAL_DECLSPEC extern bool opal_hwloc_report_bindings;
OPAL_DECLSPEC extern hwloc_obj_type_t opal_hwloc_levels[];
OPAL_DECLSPEC extern bool opal_hwloc_use_hwthreads_as_cpus;
END_C_DECLS
#endif /* OPAL_HWLOC_H_ */
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