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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 "btl_portals.h"
#include "btl_portals_recv.h"
#include "btl_portals_frag.h"
OBJ_CLASS_INSTANCE(mca_btl_portals_recv_block_t,
opal_list_item_t,
NULL, NULL);
int
mca_btl_portals_recv_enable(mca_btl_portals_module_t *btl)
{
ptl_md_t md;
ptl_handle_md_t md_h;
ptl_process_id_t any_proc = {PTL_NID_ANY, PTL_PID_ANY};
int ret;
int i;
uint64_t ignore_bits = ~((uint64_t) 0);
/* create the reject entry */
md.start = NULL;
md.length = 0;
md.threshold = PTL_MD_THRESH_INF;
md.max_size = 0;
md.options = PTL_MD_TRUNCATE | PTL_MD_OP_PUT;
md.user_ptr = NULL;
md.eq_handle = PTL_EQ_NONE;
opal_output_verbose(90, mca_btl_portals_component.portals_output,
"About to create reject entry");
ret = PtlMEAttach(btl->portals_ni_h,
OMPI_BTL_PORTALS_SEND_TABLE_ID,
any_proc,
0, /* match */
ignore_bits, /* ignore */
PTL_RETAIN,
PTL_INS_BEFORE,
&(btl->portals_recv_reject_me_h));
if (PTL_OK != ret) {
opal_output(mca_btl_portals_component.portals_output,
"Error creating recv reject ME: %d", ret);
return OMPI_ERROR;
}
ret = PtlMDAttach(btl->portals_recv_reject_me_h,
md,
PTL_RETAIN,
&md_h);
if (PTL_OK != ret) {
opal_output(mca_btl_portals_component.portals_output,
"Error attaching recv reject MD: %d", ret);
mca_btl_portals_recv_disable(btl);
return OMPI_ERROR;
}
/* create the recv blocks */
for (i = 0 ; i < btl->portals_recv_mds_num ; ++i) {
mca_btl_portals_recv_block_t *block =
mca_btl_portals_recv_block_init(btl);
if (NULL == block) {
mca_btl_portals_recv_disable(btl);
return OMPI_ERROR;
}
opal_list_append(&(btl->portals_recv_blocks),
(opal_list_item_t*) block);
mca_btl_portals_activate_block(block);
}
return OMPI_SUCCESS;
}
int
mca_btl_portals_recv_disable(mca_btl_portals_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_portals_recv_block_t *block =
(mca_btl_portals_recv_block_t*) item;
mca_btl_portals_recv_block_free(block);
}
}
if (PTL_INVALID_HANDLE != btl->portals_recv_reject_me_h) {
/* destroy the reject entry */
PtlMEUnlink(btl->portals_recv_reject_me_h);
btl->portals_recv_reject_me_h = PTL_INVALID_HANDLE;
}
return OMPI_SUCCESS;
}
mca_btl_portals_recv_block_t*
mca_btl_portals_recv_block_init(mca_btl_portals_module_t *btl)
{
mca_btl_portals_recv_block_t *block;
block = OBJ_NEW(mca_btl_portals_recv_block_t);
block->btl = btl;
block->length = btl->portals_recv_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
mca_btl_portals_recv_block_free(mca_btl_portals_recv_block_t *block)
{
/* need to clear out the md */
while (block->pending != 0) {
mca_btl_portals_component_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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