forked from openkylin/openmpi
84 lines
2.4 KiB
C
84 lines
2.4 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
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/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2013 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* Copyright (c) 2006 Voltaire. All rights reserved.
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* Copyright (c) 2011-2016 Los Alamos National Security, LLC. All rights
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* 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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* $HEADER$
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*/
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/**
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* @file
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*/
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#ifndef MCA_RCACHE_UDREG_H
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#define MCA_RCACHE_UDREG_H
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#include "opal_config.h"
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#include "opal/class/opal_list.h"
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#include "opal/class/opal_free_list.h"
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#include "opal/mca/event/event.h"
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#include "opal/mca/rcache/rcache.h"
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#include "opal/util/proc.h"
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#if HAVE_SYS_MMAN_H
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#include <sys/mman.h>
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#endif
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BEGIN_C_DECLS
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struct mca_rcache_udreg_component_t {
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mca_rcache_base_component_t super;
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bool print_stats;
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int leave_pinned;
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};
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typedef struct mca_rcache_udreg_component_t mca_rcache_udreg_component_t;
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OPAL_DECLSPEC extern mca_rcache_udreg_component_t mca_rcache_udreg_component;
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struct mca_rcache_udreg_resources_t {
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mca_rcache_base_resources_t base;
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/* udreg specific resources */
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bool use_kernel_cache;
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bool use_evict_w_unreg;
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int max_entries;
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size_t page_size;
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};
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typedef struct mca_rcache_udreg_resources_t mca_rcache_udreg_resources_t;
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struct mca_rcache_udreg_module_t;
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struct mca_rcache_udreg_module_t {
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mca_rcache_base_module_t super;
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mca_rcache_udreg_resources_t resources;
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opal_free_list_t reg_list;
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opal_mutex_t lock;
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void *udreg_handle;
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/** used to communicate the access flags to the underlying registration
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* function */
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int requested_access_flags;
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int requested_flags;
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};
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typedef struct mca_rcache_udreg_module_t mca_rcache_udreg_module_t;
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/*
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* Initializes the rcache module.
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*/
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int mca_rcache_udreg_module_init(mca_rcache_udreg_module_t *rcache);
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END_C_DECLS
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#endif
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