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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2007 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) 2006 Voltaire. All rights reserved.
* Copyright (c) 2009-2013 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2009 IBM Corporation. All rights reserved.
* Copyright (c) 2013 NVIDIA Corporation. All rights reserved.
* Copyright (c) 2015-2018 Los Alamos National Security, LLC. All rights
* reserved.
*
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "opal_config.h"
#include MCA_memory_IMPLEMENTATION_HEADER
#include "opal/mca/memory/memory.h"
#include "opal/mca/rcache/base/base.h"
#include "opal/mca/rcache/rcache.h"
#include "rcache_base_vma.h"
#include "rcache_base_vma_tree.h"
/**
* Initialize the rcache
*/
static void mca_rcache_base_vma_module_construct(mca_rcache_base_vma_module_t *vma_module)
{
OBJ_CONSTRUCT(&vma_module->vma_lock, opal_recursive_mutex_t);
(void) mca_rcache_base_vma_tree_init(vma_module);
}
static void mca_rcache_base_vma_module_destruct(mca_rcache_base_vma_module_t *vma_module)
{
OBJ_DESTRUCT(&vma_module->vma_lock);
mca_rcache_base_vma_tree_finalize(vma_module);
}
OBJ_CLASS_INSTANCE(mca_rcache_base_vma_module_t, opal_object_t,
mca_rcache_base_vma_module_construct, mca_rcache_base_vma_module_destruct);
mca_rcache_base_vma_module_t *mca_rcache_base_vma_module_alloc(void)
{
return OBJ_NEW(mca_rcache_base_vma_module_t);
}
int mca_rcache_base_vma_find(mca_rcache_base_vma_module_t *vma_module, void *addr, size_t size,
mca_rcache_base_registration_t **reg)
{
int rc;
unsigned char *bound_addr;
if (size == 0) {
return OPAL_ERROR;
}
bound_addr = (unsigned char *) ((intptr_t) addr + size - 1);
/* Check to ensure that the cache is valid */
if (OPAL_UNLIKELY(opal_memory_changed() && NULL != opal_memory->memoryc_process
&& OPAL_SUCCESS != (rc = opal_memory->memoryc_process()))) {
return rc;
}
*reg = mca_rcache_base_vma_tree_find(vma_module, (unsigned char *) addr, bound_addr);
return OPAL_SUCCESS;
}
int mca_rcache_base_vma_find_all(mca_rcache_base_vma_module_t *vma_module, void *addr, size_t size,
mca_rcache_base_registration_t **regs, int reg_cnt)
{
int rc;
unsigned char *bound_addr;
if (size == 0) {
return OPAL_ERROR;
}
bound_addr = (unsigned char *) ((intptr_t) addr + size - 1);
/* Check to ensure that the cache is valid */
if (OPAL_UNLIKELY(opal_memory_changed() && NULL != opal_memory->memoryc_process
&& OPAL_SUCCESS != (rc = opal_memory->memoryc_process()))) {
return rc;
}
return mca_rcache_base_vma_tree_find_all(vma_module, (unsigned char *) addr, bound_addr, regs,
reg_cnt);
}
int mca_rcache_base_vma_insert(mca_rcache_base_vma_module_t *vma_module,
mca_rcache_base_registration_t *reg, size_t limit)
{
size_t reg_size = reg->bound - reg->base + 1;
int rc;
if (limit != 0 && reg_size > limit) {
/* return out of resources if request is bigger than cache size
* return temp out of resources otherwise */
return OPAL_ERR_OUT_OF_RESOURCE;
}
/* Check to ensure that the cache is valid */
if (OPAL_UNLIKELY(opal_memory_changed() && NULL != opal_memory->memoryc_process
&& OPAL_SUCCESS != (rc = opal_memory->memoryc_process()))) {
return rc;
}
rc = mca_rcache_base_vma_tree_insert(vma_module, reg, limit);
if (OPAL_LIKELY(OPAL_SUCCESS == rc)) {
/* If we successfully registered, then tell the memory manager
to start monitoring this region */
opal_memory->memoryc_register(reg->base, (uint64_t) reg_size, (uint64_t)(uintptr_t) reg);
}
return rc;
}
int mca_rcache_base_vma_delete(mca_rcache_base_vma_module_t *vma_module,
mca_rcache_base_registration_t *reg)
{
/* Tell the memory manager that we no longer care about this
region */
opal_memory->memoryc_deregister(reg->base, (uint64_t)(reg->bound - reg->base),
(uint64_t)(uintptr_t) reg);
return mca_rcache_base_vma_tree_delete(vma_module, reg);
}
int mca_rcache_base_vma_iterate(mca_rcache_base_vma_module_t *vma_module, unsigned char *base,
size_t size, bool partial_ok,
int (*callback_fn)(struct mca_rcache_base_registration_t *, void *),
void *ctx)
{
return mca_rcache_base_vma_tree_iterate(vma_module, base, size, partial_ok, callback_fn, ctx);
}
void mca_rcache_base_vma_dump_range(mca_rcache_base_vma_module_t *vma_module, unsigned char *base,
size_t size, char *msg)
{
mca_rcache_base_vma_tree_dump_range(vma_module, base, size, msg);
}
size_t mca_rcache_base_vma_size(mca_rcache_base_vma_module_t *vma_module)
{
return mca_rcache_base_vma_tree_size(vma_module);
}
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