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openmpi/ompi/mca/btl/openib/btl_openib_endpoint.c
Jeff Squyres 4ab17f019b Rename src -> ompi
This commit was SVN r6269.
2005-07-02 13:43:57 +00:00

801 строка
26 KiB
C

/*
* Copyright (c) 2004-2005 The Trustees of Indiana University.
* All rights reserved.
* Copyright (c) 2004-2005 The Trustees of the University of Tennessee.
* 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 <sys/time.h>
#include <time.h>
#include "include/types.h"
#include "mca/pml/base/pml_base_sendreq.h"
#include "mca/ns/base/base.h"
#include "mca/oob/base/base.h"
#include "mca/rml/rml.h"
#include "mca/errmgr/errmgr.h"
#include "dps/dps.h"
#include "btl_openib.h"
#include "btl_openib_endpoint.h"
#include "btl_openib_proc.h"
#include "btl_openib_frag.h"
#include "class/ompi_free_list.h"
static void mca_btl_openib_endpoint_construct(mca_btl_base_endpoint_t* endpoint);
static void mca_btl_openib_endpoint_destruct(mca_btl_base_endpoint_t* endpoint);
int mca_btl_openib_endpoint_create_qp(
mca_btl_openib_module_t* mvapi_btl,
VAPI_hca_hndl_t nic,
VAPI_pd_hndl_t ptag,
VAPI_cq_hndl_t cq_hndl,
VAPI_qp_hndl_t* qp_hndl,
VAPI_qp_prop_t* qp_prop,
int transport_type);
int mca_btl_openib_endpoint_qp_init_query(
mca_btl_openib_module_t* mvapi_btl,
VAPI_hca_hndl_t nic,
VAPI_qp_hndl_t qp_hndl,
VAPI_qp_num_t remote_qp_num,
IB_lid_t remote_lid,
IB_port_t port_id
);
static inline int mca_btl_openib_endpoint_post_send(mca_btl_openib_module_t* mvapi_btl, mca_btl_openib_endpoint_t * endpoint, mca_btl_openib_frag_t * frag)
{
frag->sr_desc.remote_qkey = 0;
frag->sg_entry.addr = (VAPI_virt_addr_t) (MT_virt_addr_t) frag->hdr;
VAPI_qp_hndl_t qp_hndl;
if(frag->base.des_flags && MCA_BTL_DES_FLAGS_PRIORITY && frag->size <= mvapi_btl->super.btl_eager_limit){
frag->sr_desc.remote_qp = endpoint->rem_qp_num_high;
qp_hndl = endpoint->lcl_qp_hndl_high;
} else {
frag->sr_desc.remote_qp = endpoint->rem_qp_num_low;
qp_hndl = endpoint->lcl_qp_hndl_low;
}
frag->sr_desc.opcode = VAPI_SEND;
frag->sg_entry.len = frag->segment.seg_len + ((unsigned char*) frag->segment.seg_addr.pval - (unsigned char*) frag->hdr); /* sizeof(mca_btl_openib_header_t); */
if(frag->sg_entry.len <= mvapi_btl->ib_inline_max) {
frag->ret = EVAPI_post_inline_sr(mvapi_btl->nic,
qp_hndl,
&frag->sr_desc);
}else {
frag->ret = VAPI_post_sr(mvapi_btl->nic,
qp_hndl,
&frag->sr_desc);
}
if(VAPI_OK != frag->ret)
return OMPI_ERROR;
mca_btl_openib_endpoint_post_rr(endpoint, 1);
return OMPI_SUCCESS;
}
OBJ_CLASS_INSTANCE(mca_btl_openib_endpoint_t,
ompi_list_item_t, mca_btl_openib_endpoint_construct,
mca_btl_openib_endpoint_destruct);
/*
* Initialize state of the endpoint instance.
*
*/
static void mca_btl_openib_endpoint_construct(mca_btl_base_endpoint_t* endpoint)
{
endpoint->endpoint_btl = 0;
endpoint->endpoint_proc = 0;
endpoint->endpoint_tstamp = 0.0;
endpoint->endpoint_state = MCA_BTL_IB_CLOSED;
endpoint->endpoint_retries = 0;
OBJ_CONSTRUCT(&endpoint->endpoint_send_lock, ompi_mutex_t);
OBJ_CONSTRUCT(&endpoint->endpoint_recv_lock, ompi_mutex_t);
OBJ_CONSTRUCT(&endpoint->pending_send_frags, ompi_list_t);
}
/*
* Destroy a endpoint
*
*/
static void mca_btl_openib_endpoint_destruct(mca_btl_base_endpoint_t* endpoint)
{
}
/*
* Send connection information to remote endpoint using OOB
*
*/
static void mca_btl_openib_endpoint_send_cb(
int status,
orte_process_name_t* endpoint,
orte_buffer_t* buffer,
orte_rml_tag_t tag,
void* cbdata)
{
OBJ_RELEASE(buffer);
}
static int mca_btl_openib_endpoint_send_connect_req(mca_btl_base_endpoint_t* endpoint)
{
orte_buffer_t* buffer = OBJ_NEW(orte_buffer_t);
int rc;
if(NULL == buffer) {
ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
return ORTE_ERR_OUT_OF_RESOURCE;
}
/* pack the info in the send buffer */
rc = orte_dps.pack(buffer, &endpoint->lcl_qp_prop_high.qp_num, 1, ORTE_UINT32);
if(rc != ORTE_SUCCESS) {
ORTE_ERROR_LOG(rc);
return rc;
}
rc = orte_dps.pack(buffer, &endpoint->lcl_qp_prop_low.qp_num, 1, ORTE_UINT32);
if(rc != ORTE_SUCCESS) {
ORTE_ERROR_LOG(rc);
return rc;
}
rc = orte_dps.pack(buffer, &endpoint->endpoint_btl->port.lid, 1, ORTE_UINT32);
if(rc != ORTE_SUCCESS) {
ORTE_ERROR_LOG(rc);
return rc;
}
/* send to endpoint */
rc = orte_rml.send_buffer_nb(&endpoint->endpoint_proc->proc_guid, buffer, ORTE_RML_TAG_DYNAMIC-1, 0,
mca_btl_openib_endpoint_send_cb, NULL);
DEBUG_OUT("Sending High Priority QP num = %d, Low Priority QP num = %d, LID = %d",
endpoint->lcl_qp_prop_high.qp_num,
endpoint->lcl_qp_prop_low.qp_num,
endpoint->endpoint_btl->port.lid);
if(rc < 0) {
ORTE_ERROR_LOG(rc);
return rc;
}
return OMPI_SUCCESS;
}
/*
* Send connect ACK to remote endpoint
*
*/
static int mca_btl_openib_endpoint_send_connect_ack(mca_btl_base_endpoint_t* endpoint)
{
orte_buffer_t* buffer = OBJ_NEW(orte_buffer_t);
int rc;
uint32_t zero = 0;
/* pack the info in the send buffer */
if(ORTE_SUCCESS != (rc = orte_dps.pack(buffer, &zero, 1, ORTE_UINT32))) {
ORTE_ERROR_LOG(rc);
return rc;
}
if(ORTE_SUCCESS != (rc = orte_dps.pack(buffer, &zero, 1, ORTE_UINT32))) {
ORTE_ERROR_LOG(rc);
return rc;
}
if(ORTE_SUCCESS != (rc = orte_dps.pack(buffer, &zero, 1, ORTE_UINT32))) {
ORTE_ERROR_LOG(rc);
return rc;
}
/* send to endpoint */
rc = orte_rml.send_buffer_nb(&endpoint->endpoint_proc->proc_guid, buffer, ORTE_RML_TAG_DYNAMIC-1, 0,
mca_btl_openib_endpoint_send_cb, NULL);
if(rc < 0) {
ORTE_ERROR_LOG(rc);
}
return rc;
}
/*
* Set remote connection info
*
* XXX: Currently size is unutilized, this shall change
* as soon as we add more info to be exchanged at connection
* setup.
*
*/
static int mca_btl_openib_endpoint_set_remote_info(mca_btl_base_endpoint_t* endpoint, orte_buffer_t* buffer)
{
int rc;
size_t cnt = 1;
rc = orte_dps.unpack(buffer, &endpoint->rem_qp_num_high, &cnt, ORTE_UINT32);
if(ORTE_SUCCESS != rc) {
ORTE_ERROR_LOG(rc);
return rc;
}
rc = orte_dps.unpack(buffer, &endpoint->rem_qp_num_low, &cnt, ORTE_UINT32);
if(ORTE_SUCCESS != rc) {
ORTE_ERROR_LOG(rc);
return rc;
}
rc = orte_dps.unpack(buffer, &endpoint->rem_lid, &cnt, ORTE_UINT32);
if(ORTE_SUCCESS != rc) {
ORTE_ERROR_LOG(rc);
return rc;
}
DEBUG_OUT("Received High Priority QP num = %d, Low Priority QP num %d, LID = %d",
endpoint->rem_qp_num_high,
endpoint->rem_qp_num_low,
endpoint->rem_lid);
return ORTE_SUCCESS;
}
/*
* Start to connect to the endpoint. We send our Queue Pair
* information over the TCP OOB communication mechanism.
* On completion of our send, a send completion handler
* is called.
*
*/
static int mca_btl_openib_endpoint_start_connect(mca_btl_base_endpoint_t* endpoint)
{
int rc;
/* Create the High Priority Queue Pair */
if(OMPI_SUCCESS != (rc = mca_btl_openib_endpoint_create_qp(endpoint->endpoint_btl,
endpoint->endpoint_btl->nic,
endpoint->endpoint_btl->ptag,
endpoint->endpoint_btl->cq_hndl_high,
&endpoint->lcl_qp_hndl_high,
&endpoint->lcl_qp_prop_high,
VAPI_TS_RC))) {
ompi_output(0, "[%lu,%lu,%lu] %s:%d errcode %d\n",
ORTE_NAME_ARGS(orte_process_info.my_name), __FILE__,__LINE__,rc);
return rc;
}
/* Create the Low Priority Queue Pair */
if(OMPI_SUCCESS != (rc = mca_btl_openib_endpoint_create_qp(endpoint->endpoint_btl,
endpoint->endpoint_btl->nic,
endpoint->endpoint_btl->ptag,
endpoint->endpoint_btl->cq_hndl_low,
&endpoint->lcl_qp_hndl_low,
&endpoint->lcl_qp_prop_low,
VAPI_TS_RC))) {
ompi_output(0, "[%lu,%lu,%lu] %s:%d errcode %d\n",
ORTE_NAME_ARGS(orte_process_info.my_name), __FILE__,__LINE__,rc);
return rc;
}
DEBUG_OUT("Initialized High Priority QP num = %d, Low Priority QP num = %d, LID = %d",
endpoint->lcl_qp_prop_high.qp_num,
endpoint->lcl_qp_prop_low.qp_num,
mvapi_btl->port.lid);
/* Send connection info over to remote endpoint */
endpoint->endpoint_state = MCA_BTL_IB_CONNECTING;
if(OMPI_SUCCESS != (rc = mca_btl_openib_endpoint_send_connect_req(endpoint))) {
ompi_output(0, "[%lu,%lu,%lu] %s:%d errcode %d\n",
ORTE_NAME_ARGS(orte_process_info.my_name), __FILE__,__LINE__,rc);
return rc;
}
return OMPI_SUCCESS;
}
/*
* Reply to a `start - connect' message
*
*/
static int mca_btl_openib_endpoint_reply_start_connect(mca_btl_openib_endpoint_t *endpoint, orte_buffer_t* buffer)
{
int rc;
/* Create the High Priority Queue Pair */
if(OMPI_SUCCESS != (rc = mca_btl_openib_endpoint_create_qp(endpoint->endpoint_btl,
endpoint->endpoint_btl->nic,
endpoint->endpoint_btl->ptag,
endpoint->endpoint_btl->cq_hndl_high,
&endpoint->lcl_qp_hndl_high,
&endpoint->lcl_qp_prop_high,
VAPI_TS_RC))) {
ompi_output(0, "[%lu,%lu,%lu] %s:%d errcode %d\n",
ORTE_NAME_ARGS(orte_process_info.my_name), __FILE__,__LINE__,rc);
return rc;
}
/* Create the Low Priority Queue Pair */
if(OMPI_SUCCESS != (rc = mca_btl_openib_endpoint_create_qp(endpoint->endpoint_btl,
endpoint->endpoint_btl->nic,
endpoint->endpoint_btl->ptag,
endpoint->endpoint_btl->cq_hndl_low,
&endpoint->lcl_qp_hndl_low,
&endpoint->lcl_qp_prop_low,
VAPI_TS_RC))) {
ompi_output(0, "[%lu,%lu,%lu] %s:%d errcode %d\n",
ORTE_NAME_ARGS(orte_process_info.my_name), __FILE__,__LINE__,rc);
return rc;
}
DEBUG_OUT("Initialized High Priority QP num = %d, Low Priority QP num = %d, LID = %d",
endpoint->lcl_qp_prop_high.qp_num,
endpoint->lcl_qp_prop_low.qp_num,
mvapi_btl->port.lid);
/* Set the remote side info */
mca_btl_openib_endpoint_set_remote_info(endpoint, buffer);
/* Connect to endpoint */
rc = mca_btl_openib_endpoint_connect(endpoint);
if(rc != OMPI_SUCCESS) {
ompi_output(0, "[%lu,%lu,%lu] %s:%d errcode %d\n",
ORTE_NAME_ARGS(orte_process_info.my_name), __FILE__,__LINE__,rc);
return rc;
}
/* Send connection info over to remote endpoint */
if(OMPI_SUCCESS != (rc = mca_btl_openib_endpoint_send_connect_req(endpoint))) {
ompi_output(0, "[%lu,%lu,%lu] %s:%d errcode %d\n",
ORTE_NAME_ARGS(orte_process_info.my_name), __FILE__,__LINE__,rc);
return rc;
}
return OMPI_SUCCESS;
}
/*
*
*/
static void mca_btl_openib_endpoint_connected(mca_btl_openib_endpoint_t *endpoint)
{
endpoint->endpoint_state = MCA_BTL_IB_CONNECTED;
mca_btl_openib_progress_send_frags(endpoint);
}
/*
* Non blocking OOB recv callback.
* Read incoming QP and other info, and if this endpoint
* is trying to connect, reply with our QP info,
* otherwise try to modify QP's and establish
* reliable connection
*
*/
static void mca_btl_openib_endpoint_recv(
int status,
orte_process_name_t* endpoint,
orte_buffer_t* buffer,
orte_rml_tag_t tag,
void* cbdata)
{
mca_btl_openib_proc_t *ib_proc;
mca_btl_openib_endpoint_t *ib_endpoint;
int endpoint_state;
int rc;
for(ib_proc = (mca_btl_openib_proc_t*)
ompi_list_get_first(&mca_btl_openib_component.ib_procs);
ib_proc != (mca_btl_openib_proc_t*)
ompi_list_get_end(&mca_btl_openib_component.ib_procs);
ib_proc = (mca_btl_openib_proc_t*)ompi_list_get_next(ib_proc)) {
if(ib_proc->proc_guid.vpid == endpoint->vpid) {
/* Try to get the endpoint instance of this proc */
/* Limitation: Right now, we have only 1 endpoint
* for every process. Need several changes, some
* in PML/BTL interface to set this right */
ib_endpoint = ib_proc->proc_endpoints[0];
endpoint_state = ib_endpoint->endpoint_state;
/* Update status */
switch(endpoint_state) {
case MCA_BTL_IB_CLOSED :
/* We had this connection closed before.
* The endpoint is trying to connect. Move the
* status of this connection to CONNECTING,
* and then reply with our QP information */
if(OMPI_SUCCESS != (rc = mca_btl_openib_endpoint_reply_start_connect(ib_endpoint, buffer))) {
ompi_output(0, "[%lu,%lu,%lu] %s:%d errcode %d\n",
ORTE_NAME_ARGS(orte_process_info.my_name), __FILE__,__LINE__,rc);
break;
}
/* Setup state as connected */
ib_endpoint->endpoint_state = MCA_BTL_IB_CONNECT_ACK;
break;
case MCA_BTL_IB_CONNECTING :
mca_btl_openib_endpoint_set_remote_info(ib_endpoint, buffer);
if(OMPI_SUCCESS != (rc = mca_btl_openib_endpoint_connect(ib_endpoint))) {
ompi_output(0, "[%lu,%lu,%lu] %s:%d errcode %d\n",
ORTE_NAME_ARGS(orte_process_info.my_name), __FILE__,__LINE__,rc);
break;
}
/* Setup state as connected */
mca_btl_openib_endpoint_connected(ib_endpoint);
/* Send him an ack */
mca_btl_openib_endpoint_send_connect_ack(ib_endpoint);
break;
case MCA_BTL_IB_CONNECT_ACK:
mca_btl_openib_endpoint_connected(ib_endpoint);
break;
case MCA_BTL_IB_CONNECTED :
break;
default :
ompi_output(0, "Connected -> Connecting not possible.\n");
}
break;
}
}
/* Okay, now that we are done receiving,
* re-post the buffer */
mca_btl_openib_post_recv();
}
void mca_btl_openib_post_recv()
{
DEBUG_OUT("");
orte_rml.recv_buffer_nb(
ORTE_RML_NAME_ANY,
ORTE_RML_TAG_DYNAMIC-1,
0,
mca_btl_openib_endpoint_recv,
NULL);
}
/*
* Attempt to send a fragment using a given endpoint. If the endpoint is not
* connected, queue the fragment and start the connection as required.
*/
int mca_btl_openib_endpoint_send(
mca_btl_base_endpoint_t* endpoint,
mca_btl_openib_frag_t* frag
)
{
int rc;
mca_btl_openib_module_t *mvapi_btl;
OMPI_THREAD_LOCK(&endpoint->endpoint_send_lock);
switch(endpoint->endpoint_state) {
case MCA_BTL_IB_CONNECTING:
DEBUG_OUT("Queing because state is connecting");
ompi_list_append(&endpoint->pending_send_frags,
(ompi_list_item_t *)frag);
rc = OMPI_SUCCESS;
break;
case MCA_BTL_IB_CONNECT_ACK:
DEBUG_OUT("Queuing because waiting for ack");
ompi_list_append(&endpoint->pending_send_frags,
(ompi_list_item_t *)frag);
rc = OMPI_SUCCESS;
break;
case MCA_BTL_IB_CLOSED:
DEBUG_OUT("Connection to endpoint closed ... connecting ...");
ompi_list_append(&endpoint->pending_send_frags,
(ompi_list_item_t *)frag);
rc = mca_btl_openib_endpoint_start_connect(endpoint);
break;
case MCA_BTL_IB_FAILED:
rc = OMPI_ERR_UNREACH;
break;
case MCA_BTL_IB_CONNECTED:
{
mvapi_btl = endpoint->endpoint_btl;
DEBUG_OUT("Send to : %d, len : %d, frag : %p",
endpoint->endpoint_proc->proc_guid.vpid,
frag->ib_buf.desc.sg_entry.len,
frag);
rc = mca_btl_openib_endpoint_post_send(mvapi_btl, endpoint, frag);
break;
}
default:
rc = OMPI_ERR_UNREACH;
}
OMPI_THREAD_UNLOCK(&endpoint->endpoint_send_lock);
return rc;
}
void mca_btl_openib_progress_send_frags(mca_btl_openib_endpoint_t* endpoint)
{
ompi_list_item_t *frag_item;
mca_btl_openib_frag_t *frag;
mca_btl_openib_module_t* mvapi_btl;
/*Check if endpoint is connected */
if(endpoint->endpoint_state != MCA_BTL_IB_CONNECTED) {
return;
}
/* While there are frags in the list,
* process them */
while(!ompi_list_is_empty(&(endpoint->pending_send_frags))) {
frag_item = ompi_list_remove_first(&(endpoint->pending_send_frags));
frag = (mca_btl_openib_frag_t *) frag_item;
mvapi_btl = endpoint->endpoint_btl;
/* We need to post this one */
if(OMPI_SUCCESS != mca_btl_openib_endpoint_post_send(mvapi_btl, endpoint, frag))
ompi_output(0, "error in mca_btl_openib_endpoint_send");
}
}
/*
* Complete connection to endpoint.
*/
int mca_btl_openib_endpoint_connect(
mca_btl_openib_endpoint_t *endpoint)
{
int rc;
/* Connection establishment RC */
rc = mca_btl_openib_endpoint_qp_init_query(endpoint->endpoint_btl,
endpoint->endpoint_btl->nic,
endpoint->lcl_qp_hndl_high,
endpoint->rem_qp_num_high,
endpoint->rem_lid,
endpoint->endpoint_btl->port_id);
rc = mca_btl_openib_endpoint_qp_init_query(endpoint->endpoint_btl,
endpoint->endpoint_btl->nic,
endpoint->lcl_qp_hndl_low,
endpoint->rem_qp_num_low,
endpoint->rem_lid,
endpoint->endpoint_btl->port_id);
if(rc != OMPI_SUCCESS) {
return rc;
}
mca_btl_openib_endpoint_post_rr(endpoint, 0);
return OMPI_SUCCESS;
}
int mca_btl_openib_endpoint_create_qp(
mca_btl_openib_module_t* mvapi_btl,
VAPI_hca_hndl_t nic,
VAPI_pd_hndl_t ptag,
VAPI_cq_hndl_t cq_hndl,
VAPI_qp_hndl_t* qp_hndl,
VAPI_qp_prop_t* qp_prop,
int transport_type)
{
VAPI_ret_t ret;
VAPI_qp_init_attr_t qp_init_attr;
switch(transport_type) {
case VAPI_TS_RC: /* Set up RC qp parameters */
qp_init_attr.cap.max_oust_wr_rq = mvapi_btl->ib_wq_size;
qp_init_attr.cap.max_oust_wr_sq = mvapi_btl->ib_wq_size;
qp_init_attr.cap.max_sg_size_rq = mvapi_btl->ib_sg_list_size;
qp_init_attr.cap.max_sg_size_sq = mvapi_btl->ib_sg_list_size;
qp_init_attr.pd_hndl = ptag;
/* We don't have Reliable Datagram Handle right now */
qp_init_attr.rdd_hndl = 0;
/* Signal all work requests on this queue pair */
qp_init_attr.rq_sig_type = VAPI_SIGNAL_REQ_WR;
qp_init_attr.sq_sig_type = VAPI_SIGNAL_REQ_WR;
/* Use Reliable Connected transport service */
qp_init_attr.ts_type = VAPI_TS_RC;
/* Set Send and Recv completion queues */
qp_init_attr.rq_cq_hndl = cq_hndl;
qp_init_attr.sq_cq_hndl = cq_hndl;
break;
case VAPI_TS_UD: /* Set up UD qp parameters */
default:
return OMPI_ERR_NOT_IMPLEMENTED;
}
ret = VAPI_create_qp(nic, &qp_init_attr,
qp_hndl, qp_prop);
if(VAPI_OK != ret) {
MCA_BTL_IB_VAPI_ERROR(ret, "VAPI_create_qp");
return OMPI_ERROR;
}
return OMPI_SUCCESS;
}
int mca_btl_openib_endpoint_qp_init_query(
mca_btl_openib_module_t* mvapi_btl,
VAPI_hca_hndl_t nic,
VAPI_qp_hndl_t qp_hndl,
VAPI_qp_num_t remote_qp_num,
IB_lid_t remote_lid,
IB_port_t port_id
)
{
VAPI_ret_t ret;
VAPI_qp_attr_t qp_attr;
VAPI_qp_attr_mask_t qp_attr_mask;
VAPI_qp_init_attr_t qp_init_attr;
VAPI_qp_cap_t qp_cap;
/* Modifying QP to INIT */
QP_ATTR_MASK_CLR_ALL(qp_attr_mask);
qp_attr.qp_state = VAPI_INIT;
QP_ATTR_MASK_SET(qp_attr_mask, QP_ATTR_QP_STATE);
qp_attr.pkey_ix = mvapi_btl->ib_pkey_ix;
QP_ATTR_MASK_SET(qp_attr_mask, QP_ATTR_PKEY_IX);
qp_attr.port = port_id;
QP_ATTR_MASK_SET(qp_attr_mask, QP_ATTR_PORT);
qp_attr.remote_atomic_flags = VAPI_EN_REM_WRITE | VAPI_EN_REM_READ;
QP_ATTR_MASK_SET(qp_attr_mask, QP_ATTR_REMOTE_ATOMIC_FLAGS);
ret = VAPI_modify_qp(nic, qp_hndl,
&qp_attr, &qp_attr_mask, &qp_cap);
if(VAPI_OK != ret) {
MCA_BTL_IB_VAPI_ERROR(ret, "VAPI_modify_qp");
return OMPI_ERROR;
}
DEBUG_OUT("Modified to init..Qp %d", qp_hndl);
/********************** INIT --> RTR ************************/
QP_ATTR_MASK_CLR_ALL(qp_attr_mask);
qp_attr.qp_state = VAPI_RTR;
QP_ATTR_MASK_SET(qp_attr_mask, QP_ATTR_QP_STATE);
qp_attr.qp_ous_rd_atom = mvapi_btl->ib_qp_ous_rd_atom;
QP_ATTR_MASK_SET(qp_attr_mask, QP_ATTR_QP_OUS_RD_ATOM);
qp_attr.path_mtu = mvapi_btl->ib_mtu;
QP_ATTR_MASK_SET(qp_attr_mask, QP_ATTR_PATH_MTU);
qp_attr.rq_psn = mvapi_btl->ib_psn;
QP_ATTR_MASK_SET(qp_attr_mask, QP_ATTR_RQ_PSN);
qp_attr.pkey_ix = mvapi_btl->ib_pkey_ix;
QP_ATTR_MASK_SET(qp_attr_mask, QP_ATTR_PKEY_IX);
qp_attr.min_rnr_timer = mvapi_btl->ib_min_rnr_timer;
QP_ATTR_MASK_SET(qp_attr_mask, QP_ATTR_MIN_RNR_TIMER);
qp_attr.av.sl = mvapi_btl->ib_service_level;
qp_attr.av.grh_flag = FALSE;
qp_attr.av.static_rate = mvapi_btl->ib_static_rate;
qp_attr.av.src_path_bits = mvapi_btl->ib_src_path_bits;
qp_attr.dest_qp_num = remote_qp_num;
QP_ATTR_MASK_SET(qp_attr_mask, QP_ATTR_DEST_QP_NUM);
qp_attr.av.dlid = remote_lid;
QP_ATTR_MASK_SET(qp_attr_mask, QP_ATTR_AV);
ret = VAPI_modify_qp(nic, qp_hndl,
&qp_attr, &qp_attr_mask, &qp_cap);
if(VAPI_OK != ret) {
MCA_BTL_IB_VAPI_ERROR(ret, "VAPI_modify_qp");
return OMPI_ERROR;
}
DEBUG_OUT("Modified to RTR..Qp %d", qp_hndl);
/************** RTS *******************/
QP_ATTR_MASK_CLR_ALL(qp_attr_mask);
qp_attr.qp_state = VAPI_RTS;
QP_ATTR_MASK_SET(qp_attr_mask, QP_ATTR_QP_STATE);
qp_attr.sq_psn = mvapi_btl->ib_psn;
QP_ATTR_MASK_SET(qp_attr_mask, QP_ATTR_SQ_PSN);
qp_attr.timeout = mvapi_btl->ib_timeout;
QP_ATTR_MASK_SET(qp_attr_mask, QP_ATTR_TIMEOUT);
qp_attr.retry_count = mvapi_btl->ib_retry_count;
QP_ATTR_MASK_SET(qp_attr_mask, QP_ATTR_RETRY_COUNT);
qp_attr.rnr_retry = mvapi_btl->ib_rnr_retry;
QP_ATTR_MASK_SET(qp_attr_mask, QP_ATTR_RNR_RETRY);
qp_attr.ous_dst_rd_atom = mvapi_btl->ib_max_rdma_dst_ops;
QP_ATTR_MASK_SET(qp_attr_mask, QP_ATTR_OUS_DST_RD_ATOM);
ret = VAPI_modify_qp(nic, qp_hndl,
&qp_attr, &qp_attr_mask, &qp_cap);
if(VAPI_OK != ret) {
MCA_BTL_IB_VAPI_ERROR(ret, "VAPI_modify_qp");
return OMPI_ERROR;
}
DEBUG_OUT("Modified to RTS..Qp %d", qp_hndl);
ret = VAPI_query_qp(nic, qp_hndl, &qp_attr, &qp_attr_mask, &qp_init_attr );
if (ret != VAPI_OK) {
ompi_output(0, "error querying the queue pair");
return OMPI_ERROR;
}
mvapi_btl->ib_inline_max = qp_init_attr.cap.max_inline_data_sq;
return OMPI_SUCCESS;
}