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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 <assert.h>
#include "ompi/constants.h"
#include "opal/util/output.h"
#include "btl_portals.h"
#include "btl_portals_send.h"
int
mca_btl_portals_send(struct mca_btl_base_module_t* btl_base,
struct mca_btl_base_endpoint_t* endpoint,
struct mca_btl_base_descriptor_t* descriptor,
mca_btl_base_tag_t tag)
{
mca_btl_portals_frag_t *frag = (mca_btl_portals_frag_t*) descriptor;
int ret;
assert(&mca_btl_portals_module == (mca_btl_portals_module_t*) btl_base);
frag->endpoint = endpoint;
frag->hdr.tag = tag;
OPAL_OUTPUT_VERBOSE((90, mca_btl_portals_component.portals_output,
"PtlPut (send) fragment %x", frag));
if (OPAL_THREAD_ADD32(&mca_btl_portals_module.portals_outstanding_ops, 1) >
mca_btl_portals_module.portals_max_outstanding_ops) {
/* no space - queue and continute */
opal_output_verbose(50, mca_btl_portals_component.portals_output,
"no space for message 0x%x. Adding to back of queue",
frag);
OPAL_THREAD_ADD32(&mca_btl_portals_module.portals_outstanding_ops, -1);
opal_list_append(&(mca_btl_portals_module.portals_queued_sends),
(opal_list_item_t*) frag);
}
if (frag->md_h == PTL_INVALID_HANDLE) {
/* setup the send - always describe entire fragment */
mca_btl_portals_module.md_send.start = frag->segments[0].seg_addr.pval;
mca_btl_portals_module.md_send.length =
0 == frag->size ? frag->segments[0].seg_len : frag->size;
mca_btl_portals_module.md_send.options =
PTL_MD_EVENT_START_DISABLE;
mca_btl_portals_module.md_send.user_ptr = frag; /* keep a pointer to ourselves */
/* make a free-floater */
ret = PtlMDBind(mca_btl_portals_module.portals_ni_h,
mca_btl_portals_module.md_send,
PTL_UNLINK,
&frag->md_h);
if (ret != PTL_OK) {
opal_output(mca_btl_portals_component.portals_output,
"PtlMDBind failed with error %d", ret);
return OMPI_ERROR;
}
}
OPAL_OUTPUT_VERBOSE((90, mca_btl_portals_component.portals_output,
"fragment info:\n"
"\tstart: 0x%x\n"
"\tlen: %d",
frag->segments[0].seg_addr.pval,
frag->segments[0].seg_len));
ret = PtlPutRegion(frag->md_h, /* memory descriptor */
0, /* fragment offset */
frag->segments[0].seg_len, /* fragment length */
PTL_ACK_REQ,
*((mca_btl_base_endpoint_t*) endpoint),
OMPI_BTL_PORTALS_SEND_TABLE_ID,
0, /* ac_index - not used */
0, /* match bits */
0, /* remote offset - not used */
frag->hdr.tag); /* hdr_data: tag */
if (ret != PTL_OK) {
opal_output(mca_btl_portals_component.portals_output,
"send: PtlPut failed with error %d", ret);
return OMPI_ERROR;
}
return OMPI_SUCCESS;
}
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