38d9b10db8
This commit replaces the current VMA tree implementation with one that uses the new opal_interval_tree_t class. Since the VMA tree lock is no longer used this commit also updates rcache/grdma and btl/vader to take better care when searching for existing registrations. Signed-off-by: Nathan Hjelm <hjelmn@lanl.gov>
99 строки
3.4 KiB
C
99 строки
3.4 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) 2004-2007 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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*
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* Copyright (c) 2006 Voltaire. All rights reserved.
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* Copyright (c) 2009 IBM Corporation. All rights reserved.
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*
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* Copyright (c) 2013 Cisco Systems, Inc. All rights reserved.
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* Copyright (c) 2015-2018 Los Alamos National Security, LLC. All rights
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* reserved.
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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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* Registation cache VMA tree implementation
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*/
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#ifndef MCA_RCACHE_BASE_VMA_TREE_H
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#define MCA_RCACHE_BASE_VMA_TREE_H
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#include "opal_config.h"
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#include "opal/mca/rcache/rcache.h"
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#include "rcache_base_vma.h"
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/*
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* initialize the vma tree
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*/
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int mca_rcache_base_vma_tree_init (mca_rcache_base_vma_module_t *vma_module);
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/*
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* clean up the vma tree
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*/
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void mca_rcache_base_vma_tree_finalize(mca_rcache_base_vma_module_t *vma_module);
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/**
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* Returns the item in the vma tree
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*/
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mca_rcache_base_registration_t *mca_rcache_base_vma_tree_find (mca_rcache_base_vma_module_t *vma_module,
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unsigned char *base,
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unsigned char *bound);
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/**
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* Returns all registration that overlaps given memory region
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*/
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int mca_rcache_base_vma_tree_find_all (
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mca_rcache_base_vma_module_t *vma_module, unsigned char *base,
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unsigned char *bound, mca_rcache_base_registration_t **regs,
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int reg_cnt);
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/*
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* insert an item in the vma tree
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*/
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int mca_rcache_base_vma_tree_insert (mca_rcache_base_vma_module_t *vma_module,
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mca_rcache_base_registration_t* reg, size_t limit);
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/*
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* remove an item from the vma tree
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*/
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int mca_rcache_base_vma_tree_delete (mca_rcache_base_vma_module_t *vma_module,
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mca_rcache_base_registration_t *reg);
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/*
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* Dump out the contents of the rcache for debugging.
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*/
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void mca_rcache_base_vma_tree_dump_range (mca_rcache_base_vma_module_t *vma_module,
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unsigned char *base, size_t size, char *msg);
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/*
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* Iterate over matching registration handles in the tree.
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*/
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int mca_rcache_base_vma_tree_iterate (mca_rcache_base_vma_module_t *vma_module,
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unsigned char *base, size_t size, bool partial_ok,
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int (*callback_fn) (struct mca_rcache_base_registration_t *, void *),
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void *ctx);
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/**
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* @brief Get the current size of the vma tree
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*
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* @param[in] vma_module rcache vma tree module
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*
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* @returns the current number of vma regions in the tree
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*/
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size_t mca_rcache_base_vma_tree_size (mca_rcache_base_vma_module_t *vma_module);
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#endif /* MCA_RCACHE_BASE_VMA_TREE_H */
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