1
1
openmpi/ompi/mca/btl/udapl/btl_udapl_component.c
2007-03-08 18:39:40 +00:00

1019 строки
36 KiB
C

/*
* Copyright (c) 2004-2006 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) 2006 Sandia National Laboratories. All rights
* reserved.
* Copyright (c) 2006 Sun Microsystems, Inc. All rights reserved.
* Copyright (c) 2007 Cisco Systems, Inc. All rights reserved.
*
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "ompi/constants.h"
#include "opal/event/event.h"
#include "opal/util/if.h"
#include "opal/util/argv.h"
#include "opal/util/output.h"
#include "ompi/mca/pml/pml.h"
#include "ompi/mca/btl/btl.h"
#include "ompi/runtime/params.h"
#include "opal/mca/base/mca_base_param.h"
#include "orte/mca/errmgr/errmgr.h"
#include "ompi/mca/mpool/base/base.h"
#include "ompi/mca/mpool/rdma/mpool_rdma.h"
#include "btl_udapl.h"
#include "btl_udapl_frag.h"
#include "btl_udapl_endpoint.h"
#include "btl_udapl_proc.h"
#include "ompi/mca/btl/base/base.h"
#include "ompi/mca/btl/base/btl_base_error.h"
#include "ompi/datatype/convertor.h"
#include "btl_udapl_endpoint.h"
#include "orte/util/proc_info.h"
#include "ompi/mca/pml/base/pml_base_module_exchange.h"
/*
* Local Functions
*/
static inline int mca_btl_udapl_frag_progress_one(mca_btl_udapl_module_t* udapl_btl,
mca_btl_udapl_frag_t* frag);
void mca_btl_udapl_frag_progress_pending(mca_btl_udapl_module_t* udapl_btl,
mca_btl_base_endpoint_t* endpoint,
const int connection);
mca_btl_udapl_component_t mca_btl_udapl_component = {
{
/* First, the mca_base_component_t struct containing meta information
about the component itself */
{
/* Indicate that we are a pml v1.0.0 component (which also implies a
specific MCA version) */
MCA_BTL_BASE_VERSION_1_0_0,
"udapl", /* MCA component name */
OMPI_MAJOR_VERSION, /* MCA component major version */
OMPI_MINOR_VERSION, /* MCA component minor version */
OMPI_RELEASE_VERSION, /* MCA component release version */
mca_btl_udapl_component_open, /* component open */
mca_btl_udapl_component_close /* component close */
},
/* Next the MCA v1.0.0 component meta data */
{
/* Whether the component is checkpointable or not */
false
},
mca_btl_udapl_component_init,
mca_btl_udapl_component_progress,
}
};
/**
* Report a uDAPL error - for debugging
*/
#if OMPI_ENABLE_DEBUG
void
mca_btl_udapl_error(DAT_RETURN ret, char* str)
{
char* major;
char* minor;
if(DAT_SUCCESS != dat_strerror(ret,
(const char**)&major, (const char**)&minor))
{
printf("dat_strerror failed! ret is %d\n", ret);
exit(-1);
}
OPAL_OUTPUT((0, "ERROR: %s %s %s\n", str, major, minor));
}
#endif
/*
* Utility routines for parameter registration
*/
static inline char* mca_btl_udapl_param_register_string(
const char* param_name,
const char* default_value)
{
char *param_value;
int id = mca_base_param_register_string("btl","udapl",param_name,NULL,default_value);
mca_base_param_lookup_string(id, &param_value);
return param_value;
}
static inline int mca_btl_udapl_param_register_int(
const char* param_name,
int default_value)
{
int id = mca_base_param_register_int("btl","udapl",param_name,NULL,default_value);
int param_value = default_value;
mca_base_param_lookup_int(id,&param_value);
return param_value;
}
/*
* Called by MCA framework to open the component, registers
* component parameters.
*/
int mca_btl_udapl_component_open(void)
{
/* initialize state */
mca_btl_udapl_component.udapl_num_btls=0;
mca_btl_udapl_component.udapl_btls=NULL;
/* initialize objects */
OBJ_CONSTRUCT(&mca_btl_udapl_component.udapl_procs, opal_list_t);
OBJ_CONSTRUCT(&mca_btl_udapl_component.udapl_lock, opal_mutex_t);
/* register uDAPL component parameters */
mca_btl_udapl_component.udapl_free_list_num =
mca_btl_udapl_param_register_int("free_list_num", 8);
mca_btl_udapl_component.udapl_free_list_max =
mca_btl_udapl_param_register_int("free_list_max", -1);
mca_btl_udapl_component.udapl_free_list_inc =
mca_btl_udapl_param_register_int("free_list_inc", 8);
mca_btl_udapl_component.udapl_mpool_name =
mca_btl_udapl_param_register_string("mpool", "rdma");
mca_btl_udapl_component.udapl_max_btls =
mca_btl_udapl_param_register_int("max_modules", 8);
mca_btl_udapl_component.udapl_evd_qlen =
mca_btl_udapl_param_register_int("evd_qlen", 32);
mca_btl_udapl_component.udapl_max_request_dtos =
mca_btl_udapl_param_register_int("max_request_dtos", 18);
mca_btl_udapl_component.udapl_max_recv_dtos =
mca_btl_udapl_param_register_int("max_recv_dtos", 18);
mca_btl_udapl_component.udapl_num_recvs =
mca_btl_udapl_param_register_int("num_recvs", 8);
mca_btl_udapl_component.udapl_num_sends =
mca_btl_udapl_param_register_int("num_sends", 7);
mca_btl_udapl_component.udapl_sr_win =
mca_btl_udapl_param_register_int("sr_win", 4);
mca_btl_udapl_component.udapl_eager_rdma_num =
mca_btl_udapl_param_register_int("eager_rdma_num", 8);
mca_btl_udapl_component.udapl_max_eager_rdma_peers =
mca_btl_udapl_param_register_int("max_eager_rdma_peers", 16);
mca_btl_udapl_component.udapl_eager_rdma_win =
mca_btl_udapl_param_register_int("eager_rdma_win", 4);
mca_btl_udapl_component.udapl_timeout =
mca_btl_udapl_param_register_int("timeout", 10000000);
mca_btl_udapl_component.udapl_eager_rdma_guarantee =
mca_btl_udapl_param_register_int("eager_rdma_guarantee", 0);
/* register uDAPL module parameters */
mca_btl_udapl_module.super.btl_exclusivity =
mca_btl_udapl_param_register_int ("exclusivity",
MCA_BTL_EXCLUSIVITY_DEFAULT - 10);
mca_btl_udapl_module.super.btl_eager_limit =
mca_btl_udapl_param_register_int ("eager_limit", 32*1024);
mca_btl_udapl_module.super.btl_min_send_size =
mca_btl_udapl_param_register_int ("min_send_size", 16*1024);
mca_btl_udapl_module.super.btl_max_send_size =
mca_btl_udapl_param_register_int ("max_send_size", 64*1024);
mca_btl_udapl_module.super.btl_min_rdma_size =
mca_btl_udapl_param_register_int("min_rdma_size", 512*1024);
mca_btl_udapl_module.super.btl_max_rdma_size =
mca_btl_udapl_param_register_int("max_rdma_size", 128*1024);
mca_btl_udapl_module.super.btl_flags =
mca_btl_udapl_param_register_int("flags", MCA_BTL_FLAGS_PUT);
mca_btl_udapl_module.super.btl_bandwidth =
mca_btl_udapl_param_register_int("bandwidth", 225);
/* compute udapl_eager_frag_size and udapl_max_frag_size */
mca_btl_udapl_component.udapl_eager_frag_size =
mca_btl_udapl_module.super.btl_eager_limit;
mca_btl_udapl_module.super.btl_eager_limit -=
(sizeof(mca_btl_udapl_footer_t) + sizeof(mca_btl_udapl_rdma_footer_t));
mca_btl_udapl_component.udapl_max_frag_size =
mca_btl_udapl_module.super.btl_max_send_size;
mca_btl_udapl_module.super.btl_max_send_size -=
(sizeof(mca_btl_udapl_footer_t) + sizeof(mca_btl_udapl_rdma_footer_t));
/* compute udapl_eager_rdma_frag_size */
mca_btl_udapl_component.udapl_eager_rdma_frag_size =
sizeof(mca_btl_udapl_frag_eager_rdma_t) +
mca_btl_udapl_component.udapl_eager_frag_size;
return OMPI_SUCCESS;
}
/*
* component cleanup - sanity checking of queue lengths
*/
int mca_btl_udapl_component_close(void)
{
/* TODO - what needs to be done here? */
return OMPI_SUCCESS;
}
/*
* Register uDAPL component addressing information. The MCA framework
* will make this available to all peers.
*/
static int
mca_btl_udapl_modex_send(void)
{
int rc;
size_t i;
size_t size;
mca_btl_udapl_addr_t *addrs = NULL;
size = sizeof(mca_btl_udapl_addr_t) *
mca_btl_udapl_component.udapl_num_btls;
if (0 != size) {
addrs = (mca_btl_udapl_addr_t*)malloc(size);
if (NULL == addrs) {
return OMPI_ERR_OUT_OF_RESOURCE;
}
for (i = 0; i < mca_btl_udapl_component.udapl_num_btls; i++) {
mca_btl_udapl_module_t* btl = mca_btl_udapl_component.udapl_btls[i];
addrs[i] = btl->udapl_addr;
}
}
rc = mca_pml_base_modex_send(
&mca_btl_udapl_component.super.btl_version, addrs, size);
if (NULL != addrs) {
free (addrs);
}
return rc;
}
/*
* Callback function used for udapl btl internal control messages.
*
* @param btl (IN) BTL module
* @param tag (IN) Not used but part of callback interface
* @param descriptor (IN) Description of the data that was just transferred
* @param cbdata (IN) Data used by call back function. Not used.
*
*/
static void mca_btl_udapl_receive_control(struct mca_btl_base_module_t* btl,
mca_btl_base_tag_t tag,
mca_btl_base_descriptor_t* descriptor,
void* cbdata)
{
mca_btl_udapl_frag_t* frag = (mca_btl_udapl_frag_t*)descriptor;
mca_btl_udapl_endpoint_t* endpoint = frag->endpoint;
mca_btl_udapl_control_header_t* ctl_hdr =
frag->segment.seg_addr.pval;
switch (ctl_hdr->type) {
case MCA_BTL_UDAPL_CONTROL_RDMA_CONNECT:
{
mca_btl_udapl_eager_rdma_connect_t* rdma_connect =
frag->segment.seg_addr.pval;
if (endpoint->endpoint_eager_rdma_remote.base.pval) {
BTL_ERROR(("ERROR: Received RDMA connect twice!"));
return;
}
endpoint->endpoint_eager_rdma_remote.rkey = rdma_connect->rkey;
endpoint->endpoint_eager_rdma_remote.base.pval =
rdma_connect->rdma_start.pval;
OPAL_THREAD_ADD32(&(endpoint->endpoint_eager_rdma_remote.tokens),
mca_btl_udapl_component.udapl_eager_rdma_num);
break;
}
case MCA_BTL_UDAPL_CONTROL_RDMA_CREDIT:
{
mca_btl_udapl_eager_rdma_credit_t* rdma_credit =
frag->segment.seg_addr.pval;
/* don't return credits used for rdma credit control message */
OPAL_THREAD_ADD32(
&(endpoint->endpoint_sr_credits[BTL_UDAPL_EAGER_CONNECTION]),
-1);
OPAL_THREAD_ADD32(&(endpoint->endpoint_eager_rdma_remote.tokens),
rdma_credit->credits);
break;
}
case MCA_BTL_UDAPL_CONTROL_SR_CREDIT:
{
mca_btl_udapl_sr_credit_t* sr_credit =
frag->segment.seg_addr.pval;
/* don't return credits used for sr credit control message */
OPAL_THREAD_ADD32(
&(endpoint->endpoint_sr_credits[sr_credit->connection]), -1);
OPAL_THREAD_ADD32(
&(endpoint->endpoint_sr_tokens[sr_credit->connection]),
sr_credit->credits);
break;
}
default:
BTL_ERROR(("ERROR: Unknown contrl message type received by BTL"));
break;
}
}
/*
* Initialize the uDAPL component,
* check how many interfaces are available and create a btl module for each.
*/
mca_btl_base_module_t **
mca_btl_udapl_component_init (int *num_btl_modules,
bool enable_progress_threads,
bool enable_mpi_threads)
{
DAT_PROVIDER_INFO* datinfo;
DAT_PROVIDER_INFO** datinfoptr;
mca_btl_base_module_t **btls;
mca_btl_udapl_module_t *btl;
DAT_COUNT num_ias;
int32_t i;
/* enumerate uDAPL interfaces */
/* Have to do weird pointer stuff to make uDAPL happy -
just an array of DAT_PROVIDER_INFO isn't good enough. */
datinfo = malloc(sizeof(DAT_PROVIDER_INFO) *
mca_btl_udapl_component.udapl_max_btls);
datinfoptr = malloc(sizeof(DAT_PROVIDER_INFO*) *
mca_btl_udapl_component.udapl_max_btls);
if(NULL == datinfo || NULL == datinfoptr) {
return NULL;
}
for(i = 0; i < (int32_t)mca_btl_udapl_component.udapl_max_btls; i++) {
datinfoptr[i] = &datinfo[i];
}
if(DAT_SUCCESS != dat_registry_list_providers(
mca_btl_udapl_component.udapl_max_btls,
(DAT_COUNT*)&num_ias, datinfoptr)) {
free(datinfo);
free(datinfoptr);
return NULL;
}
free(datinfoptr);
/* allocate space for the each possible BTL */
mca_btl_udapl_component.udapl_btls = (mca_btl_udapl_module_t **)
malloc(num_ias * sizeof(mca_btl_udapl_module_t *));
if(NULL == mca_btl_udapl_component.udapl_btls) {
free(datinfo);
return NULL;
}
/* create a BTL module for each interface */
for(mca_btl_udapl_component.udapl_num_btls = i = 0; i < num_ias; i++) {
btl = malloc(sizeof(mca_btl_udapl_module_t));
if(NULL == btl) {
free(datinfo);
free(mca_btl_udapl_component.udapl_btls);
return NULL;
}
/* copy default values into the new BTL */
memcpy(btl, &mca_btl_udapl_module, sizeof(mca_btl_udapl_module_t));
/* initialize this BTL */
/* TODO - make use of the thread-safety info in datinfo also */
if(OMPI_SUCCESS != mca_btl_udapl_init(datinfo[i].ia_name, btl)) {
free(btl);
continue;
}
/* register internal control message callback */
btl->udapl_reg[MCA_BTL_TAG_BTL].cbfunc = mca_btl_udapl_receive_control;
btl->udapl_reg[MCA_BTL_TAG_BTL].cbdata = NULL;
/* successful btl creation */
mca_btl_udapl_component.udapl_btls[mca_btl_udapl_component.udapl_num_btls] = btl;
if(++mca_btl_udapl_component.udapl_num_btls >=
mca_btl_udapl_component.udapl_max_btls) {
break;
}
}
/* finished with datinfo */
free(datinfo);
/* Make sure we have some interfaces */
if(0 == mca_btl_udapl_component.udapl_num_btls) {
mca_btl_base_error_no_nics("uDAPL", "NIC");
free(mca_btl_udapl_component.udapl_btls);
return NULL;
}
/* publish uDAPL parameters with the MCA framework */
if (OMPI_SUCCESS != mca_btl_udapl_modex_send()) {
free(mca_btl_udapl_component.udapl_btls);
return NULL;
}
/* Post OOB receive */
mca_btl_udapl_endpoint_post_oob_recv();
/* return array of BTLs */
btls = (mca_btl_base_module_t**) malloc(sizeof(mca_btl_base_module_t *) *
mca_btl_udapl_component.udapl_num_btls);
if (NULL == btls) {
free(mca_btl_udapl_component.udapl_btls);
return NULL;
}
memcpy(btls, mca_btl_udapl_component.udapl_btls,
mca_btl_udapl_component.udapl_num_btls *
sizeof(mca_btl_udapl_module_t *));
*num_btl_modules = mca_btl_udapl_component.udapl_num_btls;
return btls;
}
static int mca_btl_udapl_accept_connect(mca_btl_udapl_module_t* btl,
DAT_CR_HANDLE cr_handle)
{
DAT_EP_HANDLE endpoint;
int rc;
rc = mca_btl_udapl_endpoint_create(btl, &endpoint);
if(OMPI_SUCCESS != rc) {
BTL_ERROR(("ERROR: mca_btl_udapl_endpoint_create"));
return OMPI_ERROR;
}
rc = dat_cr_accept(cr_handle, endpoint, 0, NULL);
if(DAT_SUCCESS != rc) {
char* major;
char* minor;
dat_strerror(rc, (const char**)&major,
(const char**)&minor);
BTL_ERROR(("ERROR: %s %s %s\n", "dat_cr_accept",
major, minor));
return OMPI_ERROR;
}
return OMPI_SUCCESS;
}
static inline int mca_btl_udapl_sendrecv(mca_btl_udapl_module_t* btl,
DAT_EP_HANDLE* endpoint)
{
mca_btl_udapl_frag_t* frag;
DAT_DTO_COOKIE cookie;
static int32_t connection_seq = 1;
int rc;
/* Post a receive to get the peer's address data */
frag = (mca_btl_udapl_frag_t*)mca_btl_udapl_alloc(
(mca_btl_base_module_t*)btl, sizeof(mca_btl_udapl_addr_t) +
sizeof(int32_t));
cookie.as_ptr = frag;
frag->type = MCA_BTL_UDAPL_CONN_RECV;
rc = dat_ep_post_recv(endpoint, 1,
&frag->triplet, cookie, DAT_COMPLETION_DEFAULT_FLAG);
if(DAT_SUCCESS != rc) {
char* major;
char* minor;
dat_strerror(rc, (const char**)&major,
(const char**)&minor);
BTL_ERROR(("ERROR: %s %s %s\n", "dat_ep_post_recv",
major, minor));
return OMPI_ERROR;
}
/* Send our local address data over this EP */
frag = (mca_btl_udapl_frag_t*)mca_btl_udapl_alloc(
(mca_btl_base_module_t*)btl, sizeof(mca_btl_udapl_addr_t) +
sizeof(int32_t));
cookie.as_ptr = frag;
memcpy(frag->segment.seg_addr.pval,
&btl->udapl_addr, sizeof(mca_btl_udapl_addr_t));
memcpy((char *)frag->segment.seg_addr.pval + sizeof(mca_btl_udapl_addr_t),
&connection_seq, sizeof(int32_t));
connection_seq++;
frag->type = MCA_BTL_UDAPL_CONN_SEND;
rc = dat_ep_post_send(endpoint, 1,
&frag->triplet, cookie, DAT_COMPLETION_DEFAULT_FLAG);
if(DAT_SUCCESS != rc) {
char* major;
char* minor;
dat_strerror(rc, (const char**)&major,
(const char**)&minor);
BTL_ERROR(("ERROR: %s %s %s\n", "dat_ep_post_send",
major, minor));
return OMPI_ERROR;
}
return OMPI_SUCCESS;
}
static inline int mca_btl_udapl_frag_progress_one(
mca_btl_udapl_module_t* udapl_btl,
mca_btl_udapl_frag_t* frag)
{
int rc;
switch(frag->type) {
case MCA_BTL_UDAPL_SEND:
rc = mca_btl_udapl_endpoint_send(frag->endpoint, frag);
break;
case MCA_BTL_UDAPL_PUT:
rc = mca_btl_udapl_put((mca_btl_base_module_t*)udapl_btl,
frag->endpoint,
(mca_btl_base_descriptor_t*)frag);
break;
default:
rc = OMPI_ERROR;
BTL_ERROR(("Error : Progressing pending operation, invalid type %d\n",
frag->type));
break;
}
return rc;
}
void mca_btl_udapl_frag_progress_pending(mca_btl_udapl_module_t* udapl_btl,
mca_btl_base_endpoint_t* endpoint,
const int connection)
{
int len;
int i;
mca_btl_udapl_frag_t* frag;
if (BTL_UDAPL_EAGER_CONNECTION == connection) {
len = opal_list_get_size(&endpoint->endpoint_eager_frags);
/* progress eager frag queue as needed */
for(i = 0; i < len &&
BTL_UDAPL_TOKENS(endpoint, connection) > 0; i++) {
OPAL_THREAD_LOCK(&endpoint->endpoint_lock);
frag = (mca_btl_udapl_frag_t*)opal_list_remove_first(&(endpoint->endpoint_eager_frags));
OPAL_THREAD_UNLOCK(&endpoint->endpoint_lock);
if(NULL == frag) {
return;
}
if(mca_btl_udapl_frag_progress_one(udapl_btl, frag) !=
OMPI_SUCCESS) {
BTL_ERROR(("ERROR: Not able to progress on connection(%d)\n",
BTL_UDAPL_EAGER_CONNECTION));
return;
}
}
} else if (BTL_UDAPL_MAX_CONNECTION == connection) {
len = opal_list_get_size(&endpoint->endpoint_max_frags);
/* progress max frag queue as needed */
for(i = 0; i < len &&
BTL_UDAPL_TOKENS(endpoint, connection) > 0; i++) {
OPAL_THREAD_LOCK(&endpoint->endpoint_lock);
frag = (mca_btl_udapl_frag_t*)opal_list_remove_first(&(endpoint->endpoint_max_frags));
OPAL_THREAD_UNLOCK(&endpoint->endpoint_lock);
if(NULL == frag) {
return;
}
if(mca_btl_udapl_frag_progress_one(udapl_btl, frag) !=
OMPI_SUCCESS) {
BTL_ERROR(("ERROR: Not able to progress on connection(%d)\n",
BTL_UDAPL_MAX_CONNECTION));
return;
}
}
} else {
BTL_ERROR(("ERROR: Can not progress pending fragment on unknown connection\n"));
}
return;
}
/*
* uDAPL component progress.
*/
int mca_btl_udapl_component_progress()
{
mca_btl_udapl_module_t* btl;
static int32_t inprogress = 0;
DAT_EVENT event;
#if defined(__SVR4) && defined(__sun)
DAT_COUNT nmore; /* used by dat_evd_wait, see comment below */
#endif
size_t i;
int32_t j, rdma_ep_count;
int count = 0;
/* prevent deadlock - only one thread should be 'progressing' at a time */
if(OPAL_THREAD_ADD32(&inprogress, 1) > 1) {
OPAL_THREAD_ADD32(&inprogress, -1);
return OMPI_SUCCESS;
}
/* check for work to do on each uDAPL btl */
OPAL_THREAD_LOCK(&mca_btl_udapl_component.udapl_lock);
for(i = 0; i < mca_btl_udapl_component.udapl_num_btls; i++) {
btl = mca_btl_udapl_component.udapl_btls[i];
/* Check DTO EVD */
while(DAT_SUCCESS ==
dat_evd_dequeue(btl->udapl_evd_dto, &event)) {
DAT_DTO_COMPLETION_EVENT_DATA* dto;
mca_btl_udapl_frag_t* frag;
switch(event.event_number) {
case DAT_DTO_COMPLETION_EVENT:
dto = &event.event_data.dto_completion_event_data;
frag = dto->user_cookie.as_ptr;
/* if we are using the "guarantee" rdma code path
* the extra write sets cookie to NULL, when this
* happens we ignore it because the completion
* write event is coming
*/
if (frag == NULL) break;
/* Was the DTO successful? */
if(DAT_DTO_SUCCESS != dto->status) {
OPAL_OUTPUT((0,
"btl_udapl ***** DTO error %d %d %u %p*****\n",
dto->status, frag->type, frag->size, dto->ep_handle));
break;
}
switch(frag->type) {
case MCA_BTL_UDAPL_RDMA_WRITE:
{
assert(frag->base.des_src == &frag->segment);
assert(frag->base.des_src_cnt == 1);
assert(frag->base.des_dst == NULL);
assert(frag->base.des_dst_cnt == 0);
assert(frag->type == MCA_BTL_UDAPL_RDMA_WRITE);
frag->base.des_cbfunc(&btl->super, frag->endpoint,
&frag->base, OMPI_SUCCESS);
mca_btl_udapl_frag_progress_pending(btl,
frag->endpoint,
BTL_UDAPL_EAGER_CONNECTION);
break;
}
case MCA_BTL_UDAPL_SEND:
{
assert(frag->base.des_src == &frag->segment);
assert(frag->base.des_src_cnt == 1);
assert(frag->base.des_dst == NULL);
assert(frag->base.des_dst_cnt == 0);
assert(frag->type == MCA_BTL_UDAPL_SEND);
frag->base.des_cbfunc(&btl->super, frag->endpoint,
&frag->base, OMPI_SUCCESS);
if(frag->size ==
mca_btl_udapl_component.udapl_eager_frag_size) {
mca_btl_udapl_frag_progress_pending(btl,
frag->endpoint,
BTL_UDAPL_EAGER_CONNECTION);
} else {
assert(frag->size ==
mca_btl_udapl_component.udapl_max_frag_size);
mca_btl_udapl_frag_progress_pending(btl,
frag->endpoint,
BTL_UDAPL_MAX_CONNECTION);
}
break;
}
case MCA_BTL_UDAPL_RECV:
{
mca_btl_base_recv_reg_t* reg;
int cntrl_msg = -1;
assert(frag->base.des_dst == &frag->segment);
assert(frag->base.des_dst_cnt == 1);
assert(frag->base.des_src == NULL);
assert(frag->base.des_src_cnt == 0);
assert(frag->type == MCA_BTL_UDAPL_RECV);
assert(frag->triplet.virtual_address ==
(DAT_VADDR)frag->segment.seg_addr.pval);
assert(frag->triplet.segment_length == frag->size);
assert(frag->btl == btl);
/* setup frag ftr location and do callback */
frag->segment.seg_len = dto->transfered_length -
sizeof(mca_btl_udapl_footer_t);
frag->ftr = (mca_btl_udapl_footer_t *)
((char *)frag->segment.seg_addr.pval +
frag->segment.seg_len);
cntrl_msg = frag->ftr->tag;
reg = &btl->udapl_reg[frag->ftr->tag];
OPAL_THREAD_UNLOCK(&mca_btl_udapl_component.udapl_lock);
reg->cbfunc(&btl->super,
frag->ftr->tag, &frag->base, reg->cbdata);
OPAL_THREAD_LOCK(&mca_btl_udapl_component.udapl_lock);
/* Repost the frag */
frag->ftr = frag->segment.seg_addr.pval;
frag->segment.seg_len =
(frag->size - sizeof(mca_btl_udapl_footer_t) -
sizeof(mca_btl_udapl_rdma_footer_t));
frag->base.des_flags = 0;
if(frag->size ==
mca_btl_udapl_component.udapl_eager_frag_size) {
OPAL_THREAD_ADD32(&(frag->endpoint->endpoint_sr_credits[BTL_UDAPL_EAGER_CONNECTION]), 1);
dat_ep_post_recv(frag->endpoint->endpoint_eager,
1, &frag->triplet, dto->user_cookie,
DAT_COMPLETION_DEFAULT_FLAG);
if (frag->endpoint->endpoint_sr_credits[BTL_UDAPL_EAGER_CONNECTION] >=
mca_btl_udapl_component.udapl_sr_win) {
mca_btl_udapl_endpoint_send_sr_credits(frag->endpoint,
BTL_UDAPL_EAGER_CONNECTION);
}
if (MCA_BTL_TAG_BTL == cntrl_msg) {
mca_btl_udapl_frag_progress_pending(btl,
frag->endpoint,
BTL_UDAPL_EAGER_CONNECTION);
}
} else {
assert(frag->size ==
mca_btl_udapl_component.udapl_max_frag_size);
OPAL_THREAD_ADD32(&(frag->endpoint->endpoint_sr_credits[BTL_UDAPL_MAX_CONNECTION]), 1);
dat_ep_post_recv(frag->endpoint->endpoint_max,
1, &frag->triplet, dto->user_cookie,
DAT_COMPLETION_DEFAULT_FLAG);
if (frag->endpoint->endpoint_sr_credits[BTL_UDAPL_MAX_CONNECTION] >=
mca_btl_udapl_component.udapl_sr_win) {
mca_btl_udapl_endpoint_send_sr_credits(frag->endpoint,
BTL_UDAPL_MAX_CONNECTION);
}
if (MCA_BTL_TAG_BTL == cntrl_msg) {
mca_btl_udapl_frag_progress_pending(btl,
frag->endpoint,
BTL_UDAPL_MAX_CONNECTION);
}
}
break;
}
case MCA_BTL_UDAPL_PUT:
{
assert(frag->base.des_src == &frag->segment);
assert(frag->base.des_src_cnt == 1);
assert(frag->base.des_dst_cnt == 1);
assert(frag->type == MCA_BTL_UDAPL_PUT);
frag->base.des_cbfunc(&btl->super, frag->endpoint,
&frag->base, OMPI_SUCCESS);
OPAL_THREAD_ADD32(&(frag->endpoint->endpoint_sr_tokens[BTL_UDAPL_MAX_CONNECTION]), 1);
mca_btl_udapl_frag_progress_pending(btl,
frag->endpoint,
BTL_UDAPL_MAX_CONNECTION);
break;
}
case MCA_BTL_UDAPL_CONN_RECV:
mca_btl_udapl_endpoint_finish_connect(btl,
frag->segment.seg_addr.pval,
(int32_t *)((char *)frag->segment.seg_addr.pval +
sizeof(mca_btl_udapl_addr_t)),
event.event_data.connect_event_data.ep_handle);
/* No break - fall through to free */
case MCA_BTL_UDAPL_CONN_SEND:
frag->segment.seg_len =
mca_btl_udapl_module.super.btl_eager_limit;
mca_btl_udapl_free((mca_btl_base_module_t*)btl,
(mca_btl_base_descriptor_t*)frag);
break;
default:
OPAL_OUTPUT((0, "WARNING unknown frag type: %d\n",
frag->type));
}
count++;
break;
default:
OPAL_OUTPUT((0, "WARNING unknown dto event: %d\n",
event.event_number));
}
}
/* Check connection EVD */
while(DAT_SUCCESS ==
#if defined(__SVR4) && defined(__sun)
/* There is a bug is Solaris udapl implementation
* such that dat_evd_dequeue does not dequeue
* DAT_CONNECTION_REQUEST_EVENT. Workaround is to use
* wait. This should be removed when fix available.
*/
dat_evd_wait(btl->udapl_evd_conn, 0, 1, &event, &nmore)) {
#else
dat_evd_dequeue(btl->udapl_evd_conn, &event)) {
#endif
switch(event.event_number) {
case DAT_CONNECTION_REQUEST_EVENT:
/* Accept a new connection */
mca_btl_udapl_accept_connect(btl,
event.event_data.cr_arrival_event_data.cr_handle);
count++;
break;
case DAT_CONNECTION_EVENT_ESTABLISHED:
/* Both the client and server side of a connection generate
this event */
mca_btl_udapl_sendrecv(btl,
event.event_data.connect_event_data.ep_handle);
count++;
break;
case DAT_CONNECTION_EVENT_PEER_REJECTED:
case DAT_CONNECTION_EVENT_NON_PEER_REJECTED:
case DAT_CONNECTION_EVENT_ACCEPT_COMPLETION_ERROR:
case DAT_CONNECTION_EVENT_DISCONNECTED:
case DAT_CONNECTION_EVENT_BROKEN:
case DAT_CONNECTION_EVENT_TIMED_OUT:
/* handle this case specially? if we have finite timeout,
we might want to try connecting again here. */
case DAT_CONNECTION_EVENT_UNREACHABLE:
/* Need to set the BTL endpoint to MCA_BTL_UDAPL_FAILED
See dat_ep_connect documentation pdf pg 198 */
BTL_OUTPUT(("WARNING : Connection event not handled : %d\n",
event.event_number));
break;
default:
BTL_ERROR(("ERROR: unknown connection event : %d",
event.event_number));
}
}
/* Check async EVD */
while(DAT_SUCCESS ==
dat_evd_dequeue(btl->udapl_evd_async, &event)) {
switch(event.event_number) {
case DAT_ASYNC_ERROR_EVD_OVERFLOW:
case DAT_ASYNC_ERROR_IA_CATASTROPHIC:
case DAT_ASYNC_ERROR_EP_BROKEN:
case DAT_ASYNC_ERROR_TIMED_OUT:
case DAT_ASYNC_ERROR_PROVIDER_INTERNAL_ERROR:
BTL_OUTPUT(("WARNING: async event ignored : %d",
event.event_number));
break;
default:
BTL_OUTPUT(("WARNING unknown async event: %d\n",
event.event_number));
}
}
/*
* Check eager rdma segments
*/
/* find the number of endpoints with rdma buffers */
rdma_ep_count = btl->udapl_eager_rdma_endpoint_count;
for (j = 0; j < rdma_ep_count; j++) {
mca_btl_udapl_endpoint_t* endpoint;
mca_btl_udapl_frag_t *local_rdma_frag;
DAT_LMR_TRIPLET local_rdma_segment;
endpoint =
orte_pointer_array_get_item(btl->udapl_eager_rdma_endpoints, j);
OPAL_THREAD_LOCK(&endpoint->endpoint_eager_rdma_local.lock);
local_rdma_frag =
MCA_BTL_UDAPL_GET_LOCAL_RDMA_FRAG(endpoint,
endpoint->endpoint_eager_rdma_local.head);
/* sync local memory before checking if active
* Question, will narrowing sync area to just the active byte
* one, work and two, improve performance
*/
local_rdma_segment.lmr_context =
local_rdma_frag->triplet.lmr_context;
local_rdma_segment.virtual_address =
(DAT_VADDR)local_rdma_frag->segment.seg_addr.pval;
local_rdma_segment.segment_length = local_rdma_frag->size;
dat_lmr_sync_rdma_write(endpoint->endpoint_btl->udapl_ia,
&local_rdma_segment, 1);
if (local_rdma_frag->rdma_ftr->active == 1) {
int pad = 0;
mca_btl_base_recv_reg_t* reg;
MCA_BTL_UDAPL_RDMA_NEXT_INDEX(endpoint->endpoint_eager_rdma_local.head);
OPAL_THREAD_UNLOCK(&endpoint->endpoint_eager_rdma_local.lock);
/* compute pad as needed */
MCA_BTL_UDAPL_FRAG_CALC_ALIGNMENT_PAD(pad,
(local_rdma_frag->rdma_ftr->size +
sizeof(mca_btl_udapl_footer_t)));
/* set fragment information */
local_rdma_frag->ftr = (mca_btl_udapl_footer_t *)
((char *)local_rdma_frag->rdma_ftr -
pad -
sizeof(mca_btl_udapl_footer_t));
local_rdma_frag->segment.seg_len =
local_rdma_frag->rdma_ftr->size;
local_rdma_frag->segment.seg_addr.pval = (unsigned char *)
((char *)local_rdma_frag->ftr -
local_rdma_frag->segment.seg_len);
/* retrieve callback and callback */
reg = &btl->udapl_reg[local_rdma_frag->ftr->tag];
reg->cbfunc(&btl->super,
local_rdma_frag->ftr->tag, &local_rdma_frag->base, reg->cbdata);
/* repost */
local_rdma_frag->rdma_ftr->active = 0;
local_rdma_frag->segment.seg_addr.pval =
(unsigned char*)(local_rdma_frag + 1);
local_rdma_frag->segment.seg_len =
mca_btl_udapl_module.super.btl_eager_limit;
local_rdma_frag->base.des_flags = 0;
/* increment local rdma credits */
OPAL_THREAD_ADD32(&(endpoint->endpoint_eager_rdma_local.credits),
1);
if (endpoint->endpoint_eager_rdma_local.credits >=
mca_btl_udapl_component.udapl_eager_rdma_win) {
mca_btl_udapl_endpoint_send_eager_rdma_credits(endpoint);
}
count++;
} else {
OPAL_THREAD_UNLOCK(&endpoint->endpoint_eager_rdma_local.lock);
}
} /* end of rdma_count loop */
}
/* unlock and return */
OPAL_THREAD_UNLOCK(&mca_btl_udapl_component.udapl_lock);
OPAL_THREAD_ADD32(&inprogress, -1);
return count;
}