openmpi/opal/mca/btl/portals4/btl_portals4_recv.c

103 lines
2.8 KiB
C

/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2005 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) 2014 Bull SAS. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "opal_config.h"
#include "opal/constants.h"
#include "btl_portals4.h"
#include "btl_portals4_recv.h"
#include "btl_portals4_frag.h"
OBJ_CLASS_INSTANCE(mca_btl_portals4_recv_block_t,
opal_list_item_t,
NULL, NULL);
int
mca_btl_portals4_recv_enable(mca_btl_portals4_module_t *btl)
{
int i;
/* create the recv blocks */
for (i = 0 ; i < mca_btl_portals4_component.portals_recv_mds_num ; ++i) {
mca_btl_portals4_recv_block_t *block =
mca_btl_portals4_recv_block_init(btl);
if (NULL == block) {
mca_btl_portals4_recv_disable(btl);
return OPAL_ERROR;
}
opal_list_append(&(btl->portals_recv_blocks),
(opal_list_item_t*) block);
mca_btl_portals4_activate_block(block);
}
return OPAL_SUCCESS;
}
int
mca_btl_portals4_recv_disable(mca_btl_portals4_module_t *btl)
{
opal_list_item_t *item;
if (opal_list_get_size(&btl->portals_recv_blocks) > 0) {
while (NULL !=
(item = opal_list_remove_first(&btl->portals_recv_blocks))) {
mca_btl_portals4_recv_block_t *block =
(mca_btl_portals4_recv_block_t*) item;
mca_btl_portals4_recv_block_free(block);
}
}
return OPAL_SUCCESS;
}
mca_btl_portals4_recv_block_t*
mca_btl_portals4_recv_block_init(mca_btl_portals4_module_t *btl)
{
mca_btl_portals4_recv_block_t *block;
block = OBJ_NEW(mca_btl_portals4_recv_block_t);
block->btl = btl;
block->length = mca_btl_portals4_component.portals_recv_mds_size;
block->start = malloc(block->length);
if (block->start == NULL) return NULL;
block->me_h = PTL_INVALID_HANDLE;
block->full = false;
block->pending = 0;
return block;
}
int
mca_btl_portals4_recv_block_free(mca_btl_portals4_recv_block_t *block)
{
if (NULL != block->start) {
free(block->start);
block->start = NULL;
}
block->length = 0;
block->full = false;
return OPAL_SUCCESS;
}