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/*
* Copyright (c) 2004-2011 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2020 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2009-2012 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2011-2012 Los Alamos National Security, LLC.
* All rights reserved.
* Copyright (c) 2011-2014 NVIDIA Corporation. All rights reserved.
* Copyright (c) 2015-2020 Intel, Inc. All rights reserved.
* Copyright (c) 2018-2022 Amazon.com, Inc. or its affiliates. All Rights reserved.
* Copyright (c) 2022 IBM Corporation. All rights reserved
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "opal_config.h"
#include "common_sm_mpool.h"
#include "opal/mca/allocator/base/base.h"
#include "opal/mca/common/sm/common_sm.h"
#include "opal/util/printf.h"
#include <string.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include "opal/mca/hwloc/base/base.h"
static void sm_module_finalize(mca_mpool_base_module_t *module);
/*
* Returns base address of shared memory mapping.
*/
static void *mca_common_sm_mpool_base(mca_mpool_base_module_t *mpool);
/**
* Allocate block of shared memory.
*/
static void *mca_common_sm_mpool_alloc(mca_mpool_base_module_t *mpool, size_t size, size_t align,
uint32_t flags);
/**
* free function typedef
*/
static void mca_common_sm_mpool_free(mca_mpool_base_module_t *mpool, void *addr);
/*
* Initializes the mpool module.
*/
static void mca_common_sm_mpool_module_init(mca_common_sm_mpool_module_t *mpool)
{
mpool->super.mpool_base = mca_common_sm_mpool_base;
mpool->super.mpool_alloc = mca_common_sm_mpool_alloc;
mpool->super.mpool_free = mca_common_sm_mpool_free;
mpool->super.mpool_finalize = sm_module_finalize;
mpool->super.flags = 0;
mpool->sm_size = 0;
mpool->sm_allocator = NULL;
mpool->sm_mmap = NULL;
mpool->sm_common_module = NULL;
mpool->mem_node = -1;
}
mca_mpool_base_module_t *opal_btl_smcuda_common_sm_mpool_create(mca_common_sm_mpool_resources_t *resources)
{
mca_common_sm_mpool_module_t *mpool_module;
mca_allocator_base_component_t *allocator_component;
/* Make a new mpool module */
mpool_module = (mca_common_sm_mpool_module_t *) malloc(sizeof(*mpool_module));
mca_common_sm_mpool_module_init(mpool_module);
/* set sm_size */
mpool_module->sm_size = resources->size;
allocator_component = mca_allocator_component_lookup(resources->allocator);
/* if specified allocator cannot be loaded - look for an alternative */
if (NULL == allocator_component) {
if (opal_list_get_size(&opal_allocator_base_framework.framework_components) == 0) {
mca_base_component_list_item_t *item = (mca_base_component_list_item_t *)
opal_list_get_first(&opal_allocator_base_framework.framework_components);
allocator_component = (mca_allocator_base_component_t *) item->cli_component;
opal_output(0,
"mca_common_sm_mpool_init: "
"unable to locate allocator: %s - using %s\n",
resources->allocator,
allocator_component->allocator_version.mca_component_name);
} else {
opal_output(0,
"mca_common_sm_mpool_init: "
"unable to locate allocator: %s\n",
resources->allocator);
free(mpool_module);
return NULL;
}
}
mpool_module->mem_node = resources->mem_node;
if (NULL
== (mpool_module->sm_common_module = mca_common_sm_module_attach(
&resources->bs_meta_buf, sizeof(mca_common_sm_module_t), 8))) {
opal_output(0,
"mca_common_sm_mpool_init: "
"unable to create shared memory mapping (%s)",
resources->bs_meta_buf.seg_name);
free(mpool_module);
return NULL;
}
/* setup allocator */
mpool_module->sm_allocator = allocator_component
->allocator_init(true, mca_common_sm_seg_alloc, NULL,
mpool_module->sm_common_module);
if (NULL == mpool_module->sm_allocator) {
opal_output(0, "mca_common_sm_mpool_init: unable to initialize allocator");
free(mpool_module);
return NULL;
}
return &mpool_module->super;
}
/*
* base address of shared memory mapping
*/
static void *mca_common_sm_mpool_base(mca_mpool_base_module_t *mpool)
{
mca_common_sm_mpool_module_t *sm_mpool = (mca_common_sm_mpool_module_t *) mpool;
return (NULL != sm_mpool->sm_common_module) ? sm_mpool->sm_common_module->module_seg_addr
: NULL;
}
/**
* allocate function
*/
static void *mca_common_sm_mpool_alloc(mca_mpool_base_module_t *mpool, size_t size, size_t align,
uint32_t flags)
{
mca_common_sm_mpool_module_t *mpool_sm = (mca_common_sm_mpool_module_t *) mpool;
opal_hwloc_base_memory_segment_t mseg;
mseg.mbs_start_addr = mpool_sm->sm_allocator->alc_alloc(mpool_sm->sm_allocator, size, align);
if (mpool_sm->mem_node >= 0) {
mseg.mbs_len = size;
opal_hwloc_base_membind(&mseg, 1, mpool_sm->mem_node);
}
return mseg.mbs_start_addr;
}
/**
* free function
*/
void mca_common_sm_mpool_free(mca_mpool_base_module_t *mpool, void *addr)
{
mca_common_sm_mpool_module_t *mpool_sm = (mca_common_sm_mpool_module_t *) mpool;
mpool_sm->sm_allocator->alc_free(mpool_sm->sm_allocator, addr);
}
static void sm_module_finalize(mca_mpool_base_module_t *module)
{
mca_common_sm_mpool_module_t *sm_module = (mca_common_sm_mpool_module_t *) module;
if (NULL != sm_module->sm_common_module) {
if (OPAL_SUCCESS == mca_common_sm_fini(sm_module->sm_common_module)) {
unlink(sm_module->sm_common_module->shmem_ds.seg_name);
}
OBJ_RELEASE(sm_module->sm_common_module);
sm_module->sm_common_module = NULL;
}
}
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