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/*
* 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.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "ompi/constants.h"
#include "mtl_portals.h"
#include "mtl_portals_recv_short.h"
OBJ_CLASS_INSTANCE(ompi_mtl_portals_recv_short_block_t,
opal_list_item_t,
NULL, NULL);
int
ompi_mtl_portals_recv_short_enable(mca_mtl_portals_module_t *mtl)
{
int i;
/* create the recv blocks */
for (i = 0 ; i < mtl->ptl_recv_short_mds_num ; ++i) {
ompi_mtl_portals_recv_short_block_t *block =
ompi_mtl_portals_recv_short_block_init(mtl);
if (NULL == block) {
ompi_mtl_portals_recv_short_disable(mtl);
return OMPI_ERROR;
}
opal_list_append(&(mtl->ptl_recv_short_blocks),
(opal_list_item_t*) block);
ompi_mtl_portals_activate_block(block);
}
return OMPI_SUCCESS;
}
int
ompi_mtl_portals_recv_short_disable(mca_mtl_portals_module_t *mtl)
{
opal_list_item_t *item;
if (opal_list_get_size(&mtl->ptl_recv_short_blocks) > 0) {
while (NULL !=
(item = opal_list_remove_first(&mtl->ptl_recv_short_blocks))) {
ompi_mtl_portals_recv_short_block_t *block =
(ompi_mtl_portals_recv_short_block_t*) item;
ompi_mtl_portals_recv_short_block_free(block);
}
}
return OMPI_SUCCESS;
}
ompi_mtl_portals_recv_short_block_t*
ompi_mtl_portals_recv_short_block_init(mca_mtl_portals_module_t *mtl)
{
ompi_mtl_portals_recv_short_block_t *block;
block = OBJ_NEW(ompi_mtl_portals_recv_short_block_t);
block->mtl = mtl;
block->length = mtl->ptl_recv_short_mds_size;
block->start = malloc(block->length);
if (block->start == NULL) return NULL;
block->me_h = PTL_INVALID_HANDLE;
block->md_h = PTL_INVALID_HANDLE;
block->full = false;
block->pending = 0;
return block;
}
int
ompi_mtl_portals_recv_short_block_free(ompi_mtl_portals_recv_short_block_t *block)
{
/* need to clear out the md */
while (block->pending != 0) {
ompi_mtl_portals_progress();
}
if (PTL_INVALID_HANDLE != block->md_h) {
PtlMDUnlink(block->md_h);
block->md_h = PTL_INVALID_HANDLE;
}
if (NULL != block->start) {
free(block->start);
block->start = NULL;
}
block->length = 0;
block->full = false;
return OMPI_SUCCESS;
}
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