165 строки
4.2 KiB
C
165 строки
4.2 KiB
C
/*
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* Copyright (c) 2011 Cisco Systems, Inc. All rights reserved.
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*
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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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#ifndef OPAL_MCA_HWLOC_H
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#define OPAL_MCA_HWLOC_H
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#include "opal_config.h"
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#ifdef HAVE_SYS_TIME_H
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#include <sys/time.h>
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#endif
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#ifdef HAVE_STDINT_H
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#include <stdint.h>
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#endif
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#ifdef HAVE_STDARG_H
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#include <stdarg.h>
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#endif
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#include "opal/class/opal_list.h"
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#include "opal/class/opal_value_array.h"
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#include "opal/mca/mca.h"
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#include "opal/mca/base/base.h"
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BEGIN_C_DECLS
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#ifdef WIN32
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#undef WIN32_LEAN_AND_MEAN
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typedef unsigned char u_char;
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typedef unsigned short u_short;
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#endif
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/**
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* Structure for hwloc components.
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*/
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struct opal_hwloc_base_component_2_0_0_t {
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/** MCA base component */
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mca_base_component_t base_version;
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/** MCA base data */
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mca_base_component_data_t base_data;
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};
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/**
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* Convenience typedef
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*/
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typedef struct opal_hwloc_base_component_2_0_0_t opal_hwloc_base_component_2_0_0_t;
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typedef struct opal_hwloc_base_component_2_0_0_t opal_hwloc_component_t;
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/**
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* Macro for use in components that are of type hwloc
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*/
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#define OPAL_HWLOC_BASE_VERSION_2_0_0 \
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MCA_BASE_VERSION_2_0_0, \
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"hwloc", 2, 0, 0
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END_C_DECLS
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/* Define a hierarchical level value that
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* helps resolve the hwloc behavior of
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* treating caches as a single type of
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* entity - must always be available
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*/
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typedef enum {
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OPAL_HWLOC_NODE_LEVEL=0,
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OPAL_HWLOC_NUMA_LEVEL,
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OPAL_HWLOC_SOCKET_LEVEL,
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OPAL_HWLOC_L3CACHE_LEVEL,
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OPAL_HWLOC_L2CACHE_LEVEL,
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OPAL_HWLOC_L1CACHE_LEVEL,
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OPAL_HWLOC_CORE_LEVEL,
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OPAL_HWLOC_HWTHREAD_LEVEL
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} opal_hwloc_level_t;
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#define OPAL_HWLOC_LEVEL_T OPAL_INT
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/* include implementation to call */
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#if OPAL_HAVE_HWLOC
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#include MCA_hwloc_IMPLEMENTATION_HEADER
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/* define type of processor info requested */
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typedef uint8_t opal_hwloc_resource_type_t;
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#define OPAL_HWLOC_PHYSICAL 1
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#define OPAL_HWLOC_LOGICAL 2
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#define OPAL_HWLOC_AVAILABLE 3
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/* structs for storing info on objects */
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typedef struct {
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opal_object_t super;
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hwloc_cpuset_t available;
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unsigned int npus;
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unsigned int idx;
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} opal_hwloc_obj_data_t;
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OBJ_CLASS_DECLARATION(opal_hwloc_obj_data_t);
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typedef struct {
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opal_list_item_t super;
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hwloc_obj_type_t type;
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unsigned cache_level;
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unsigned int num_objs;
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opal_hwloc_resource_type_t rtype;
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} opal_hwloc_summary_t;
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OBJ_CLASS_DECLARATION(opal_hwloc_summary_t);
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typedef struct {
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opal_object_t super;
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hwloc_cpuset_t available;
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opal_list_t summaries;
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} opal_hwloc_topo_data_t;
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OBJ_CLASS_DECLARATION(opal_hwloc_topo_data_t);
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/* define binding policies */
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typedef uint16_t opal_binding_policy_t;
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#define OPAL_BINDING_POLICY OPAL_UINT16
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/* binding directives */
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#define OPAL_BIND_IF_SUPPORTED 0x1000
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#define OPAL_BIND_ALLOW_OVERLOAD 0x2000
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#define OPAL_BIND_GIVEN 0x4000
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/* binding policies */
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#define OPAL_BIND_TO_NONE 1
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#define OPAL_BIND_TO_BOARD 2
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#define OPAL_BIND_TO_NUMA 3
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#define OPAL_BIND_TO_SOCKET 4
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#define OPAL_BIND_TO_L3CACHE 5
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#define OPAL_BIND_TO_L2CACHE 6
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#define OPAL_BIND_TO_L1CACHE 7
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#define OPAL_BIND_TO_CORE 8
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#define OPAL_BIND_TO_HWTHREAD 9
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#define OPAL_BIND_TO_CPUSET 10
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#define OPAL_GET_BINDING_POLICY(pol) \
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((pol) & 0x0fff)
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#define OPAL_SET_BINDING_POLICY(target, pol) \
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(target) = (pol) | ((target) & 0xf000)
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/* check if policy is set */
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#define OPAL_BINDING_POLICY_IS_SET(pol) \
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((pol) & 0x4000)
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/* macro to detect if binding was qualified */
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#define OPAL_BINDING_REQUIRED(n) \
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(!(OPAL_BIND_IF_SUPPORTED & (n)))
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/* macro to detect if binding is forced */
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#define OPAL_BIND_OVERLOAD_ALLOWED(n) \
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(OPAL_BIND_ALLOW_OVERLOAD & (n))
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/* some global values */
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OPAL_DECLSPEC extern hwloc_topology_t opal_hwloc_topology;
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OPAL_DECLSPEC extern opal_binding_policy_t opal_hwloc_binding_policy;
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OPAL_DECLSPEC extern hwloc_cpuset_t opal_hwloc_my_cpuset;
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OPAL_DECLSPEC extern bool opal_hwloc_report_bindings;
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OPAL_DECLSPEC extern hwloc_obj_type_t opal_hwloc_levels[];
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OPAL_DECLSPEC extern bool opal_hwloc_use_hwthreads_as_cpus;
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#endif
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#endif /* OPAL_HWLOC_H_ */
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