78f362d0d6
mca_mpool_base_page_size_log. They are exported by the mpool/base/base.h, if some other code need them, then it should include this file instead of having it's own redefinition of these externals. This commit was SVN r14156.
107 строки
3.4 KiB
C
107 строки
3.4 KiB
C
/*
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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) 2004-2005 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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*
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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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#include "ompi_config.h"
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#include "ompi/mca/rcache/rcache.h"
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#include "rcache_vma.h"
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#include "rcache_vma_tree.h"
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#include "opal/util/output.h"
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#include "ompi/mca/mpool/base/base.h"
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/**
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* Initialize the rcache
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*/
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void mca_rcache_vma_module_init( mca_rcache_vma_module_t* rcache ) {
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rcache->base.rcache_find = mca_rcache_vma_find;
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rcache->base.rcache_find_all = mca_rcache_vma_find_all;
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rcache->base.rcache_insert = mca_rcache_vma_insert;
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rcache->base.rcache_delete = mca_rcache_vma_delete;
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rcache->base.rcache_finalize = mca_rcache_vma_finalize;
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OBJ_CONSTRUCT(&rcache->base.lock, opal_mutex_t);
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mca_rcache_vma_tree_init(rcache);
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}
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int mca_rcache_vma_find(struct mca_rcache_base_module_t* rcache,
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void* addr, size_t size, mca_mpool_base_registration_t **reg)
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{
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void* base_addr;
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void* bound_addr;
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if(size == 0) {
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return OMPI_ERROR;
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}
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base_addr = down_align_addr(addr, mca_mpool_base_page_size_log);
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bound_addr = up_align_addr((void*) ((unsigned long) addr + size - 1), mca_mpool_base_page_size_log);
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*reg = mca_rcache_vma_tree_find((mca_rcache_vma_module_t*)rcache, (unsigned char*)base_addr,
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(unsigned char*)bound_addr);
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return OMPI_SUCCESS;
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}
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int mca_rcache_vma_find_all(struct mca_rcache_base_module_t* rcache,
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void* addr, size_t size, ompi_pointer_array_t *regs)
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{
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void *base_addr, *bound_addr;
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if(size == 0) {
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return OMPI_ERROR;
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}
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base_addr = down_align_addr(addr, mca_mpool_base_page_size_log);
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bound_addr = up_align_addr((void*) ((unsigned long) addr + size - 1), mca_mpool_base_page_size_log);
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return mca_rcache_vma_tree_find_all((mca_rcache_vma_module_t*)rcache,
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(unsigned char*)base_addr, (unsigned char*)bound_addr, regs);
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}
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int mca_rcache_vma_insert(struct mca_rcache_base_module_t* rcache,
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mca_mpool_base_registration_t* reg, size_t limit)
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{
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size_t reg_size = reg->bound - reg->base + 1;
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mca_rcache_vma_module_t *vma_rcache = (mca_rcache_vma_module_t*)rcache;
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if(limit != 0 && reg_size > limit) {
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/* return out of resources if request is bigger than cache size
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* return temp out of resources otherwise */
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return OMPI_ERR_OUT_OF_RESOURCE;
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}
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return mca_rcache_vma_tree_insert(vma_rcache, reg, limit);
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}
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int mca_rcache_vma_delete(struct mca_rcache_base_module_t* rcache,
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mca_mpool_base_registration_t* reg)
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{
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mca_rcache_vma_module_t *vma_rcache = (mca_rcache_vma_module_t*)rcache;
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return mca_rcache_vma_tree_delete(vma_rcache, reg);
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}
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/**
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* finalize
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*/
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void mca_rcache_vma_finalize(struct mca_rcache_base_module_t* rcache)
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{
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}
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