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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 (c) 2008 UT-Battelle, LLC. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include <assert.h>
#include "ompi/constants.h"
#include "ompi/datatype/convertor.h"
#include "ompi/datatype/datatype.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;
unsigned char hdr_data[8];
assert(&mca_btl_portals_module == (mca_btl_portals_module_t*) btl_base);
frag->endpoint = endpoint;
hdr_data[7] = frag->hdr.tag = tag;
OPAL_OUTPUT_VERBOSE((90, mca_btl_portals_component.portals_output,
"PtlPut (send) fragment %lx",
(unsigned long) 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%lx. Adding to back of queue",
(unsigned long) 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;
#if OMPI_ENABLE_DEBUG
mca_btl_portals_module.md_send.options =
PTL_MD_EVENT_START_DISABLE;
#else
/* optimized build, we can get rid of the END event */
/* if we are using portals ACK's for completion */
mca_btl_portals_module.md_send.options =
(PTL_MD_EVENT_START_DISABLE |
(mca_btl_portals_component.portals_need_ack ? PTL_MD_EVENT_END_DISABLE : 0));
#endif
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%lx\n"
"\tlen: %d",
(unsigned long) 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 */
(mca_btl_portals_component.portals_need_ack ? PTL_ACK_REQ : PTL_NO_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 */
*((ptl_hdr_data_t*) hdr_data)); /* 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;
}
int mca_btl_portals_sendi(struct mca_btl_base_module_t* btl_base,
struct mca_btl_base_endpoint_t* endpoint,
struct ompi_convertor_t* convertor,
void* header,
size_t header_size,
size_t payload_size,
uint8_t order,
uint32_t flags,
mca_btl_base_tag_t tag,
mca_btl_base_descriptor_t** des)
{
mca_btl_portals_frag_t *frag = NULL;
struct iovec iov;
unsigned int iov_count;
unsigned char match_bits[8];
unsigned char hdr_data[8];
int ret;
size_t max_data;
assert(&mca_btl_portals_module == (mca_btl_portals_module_t*) btl_base);
*des = NULL;
if (OPAL_THREAD_ADD32(&mca_btl_portals_module.portals_outstanding_ops, 1) >
mca_btl_portals_module.portals_max_outstanding_ops) {
/* no space - queue and continue */
opal_output_verbose(50, mca_btl_portals_component.portals_output,
"no resources left for send inline");
OPAL_THREAD_ADD32(&mca_btl_portals_module.portals_outstanding_ops, -1);
*des = mca_btl_portals_alloc(btl_base, endpoint, order,
payload_size + header_size, flags);
return OMPI_ERR_RESOURCE_BUSY;
} else if(14 < header_size) {
/* header is too big */
*des = mca_btl_portals_alloc(btl_base, endpoint, order,
payload_size + header_size, flags);
OPAL_THREAD_ADD32(&mca_btl_portals_module.portals_outstanding_ops, -1);
return OMPI_ERR_RESOURCE_BUSY;
}
assert (payload_size <= mca_btl_portals_module.super.btl_eager_limit);
OMPI_BTL_PORTALS_FRAG_ALLOC_EAGER(&mca_btl_portals_module, frag, ret);
if (OMPI_SUCCESS != ret) {
OPAL_THREAD_ADD32(&mca_btl_portals_module.portals_outstanding_ops, -1);
return OMPI_ERR_RESOURCE_BUSY;
}
frag->segments[0].seg_len = payload_size;
frag->base.des_src_cnt = 1;
frag->base.des_flags = flags;
frag->base.order = MCA_BTL_NO_ORDER;
frag->endpoint = endpoint;
if(payload_size) {
/* pack the data into the supplied buffer */
iov.iov_base = (IOVBASE_TYPE*)((unsigned char*)frag->segments[0].seg_addr.pval);
iov.iov_len = max_data = payload_size;
iov_count = 1;
(void)ompi_convertor_pack( convertor,
&iov, &iov_count, &max_data);
assert(max_data == payload_size);
}
if(header_size) {
memcpy(match_bits, header, header_size > 8 ? 8 : header_size);
}
if(header_size > 8 ) {
memcpy(hdr_data, ((unsigned char*) header) + 8, header_size - 8);
}
hdr_data[6] = header_size;
hdr_data[7] = frag->hdr.tag = tag;
OPAL_OUTPUT_VERBOSE((90, mca_btl_portals_component.portals_output,
"PtlPut (send) fragment %lx",
(unsigned long) 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;
#if OMPI_ENABLE_DEBUG
mca_btl_portals_module.md_send.options =
PTL_MD_EVENT_START_DISABLE;
#else
/* optimized build, we can get rid of the END event */
/* if we are using portals ACK's for completion */
mca_btl_portals_module.md_send.options =
(PTL_MD_EVENT_START_DISABLE |
(mca_btl_portals_component.portals_need_ack ? PTL_MD_EVENT_END_DISABLE : 0));
#endif
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%lx\n"
"\tlen: %d",
(unsigned long) 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 */
(mca_btl_portals_component.portals_need_ack ? PTL_ACK_REQ : PTL_NO_ACK_REQ),
*((mca_btl_base_endpoint_t*) endpoint),
OMPI_BTL_PORTALS_SEND_TABLE_ID,
0, /* ac_index - not used */
*((ptl_match_bits_t*) match_bits), /* match bits */
0, /* remote offset - not used */
*((ptl_hdr_data_t*) hdr_data)); /* 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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