void uct_ugni_proccess_datagram_pipe(int event_id, void *arg) {
uct_ugni_udt_iface_t *iface = (uct_ugni_udt_iface_t *)arg;
uct_ugni_udt_ep_t *ep;
uct_ugni_udt_desc_t *datagram;
ucs_status_t status;
void *user_desc;
gni_return_t ugni_rc;
uint64_t id;
ucs_trace_func("");
uct_ugni_device_lock(&iface->super.cdm);
ugni_rc = GNI_PostDataProbeById(uct_ugni_udt_iface_nic_handle(iface), &id);
uct_ugni_device_unlock(&iface->super.cdm);
while (GNI_RC_SUCCESS == ugni_rc) {
status = recieve_datagram(iface, id, &ep);
if (UCS_INPROGRESS == status) {
if (ep != NULL){
ucs_trace_data("Processing reply");
datagram = ep->posted_desc;
status = processs_datagram(iface, datagram);
if (UCS_OK != status) {
user_desc = uct_ugni_udt_get_user_desc(datagram, iface);
uct_recv_desc(user_desc) = &iface->release_desc;
} else {
ucs_mpool_put(datagram);
}
ep->posted_desc = NULL;
uct_ugni_check_flush(ep->desc_flush_group);
} else {
ucs_trace_data("Processing wildcard");
datagram = iface->desc_any;
status = processs_datagram(iface, datagram);
if (UCS_OK != status) {
UCT_TL_IFACE_GET_TX_DESC(&iface->super.super, &iface->free_desc,
iface->desc_any, iface->desc_any=NULL);
user_desc = uct_ugni_udt_get_user_desc(datagram, iface);
uct_recv_desc(user_desc) = &iface->release_desc;
}
status = uct_ugni_udt_ep_any_post(iface);
if (UCS_OK != status) {
/* We can't continue if we can't post the first receive */
ucs_error("Failed to post wildcard request");
return;
}
}
}
uct_ugni_device_lock(&iface->super.cdm);
ugni_rc = GNI_PostDataProbeById(uct_ugni_udt_iface_nic_handle(iface), &id);
uct_ugni_device_unlock(&iface->super.cdm);
}
ucs_async_pipe_drain(&iface->event_pipe);
pthread_mutex_lock(&iface->device_lock);
iface->events_ready = 0;
pthread_mutex_unlock(&iface->device_lock);
ucs_trace("Signaling device thread to resume monitoring");
pthread_cond_signal(&iface->device_condition);
}
static void uct_ugni_udt_progress(void *arg)
{
uint32_t rem_addr,
rem_id;
uint64_t id;
void *payload;
void *user_desc;
ucs_status_t status;
uct_ugni_udt_desc_t *desc;
uct_ugni_udt_header_t *header;
uct_ugni_udt_iface_t * iface = (uct_ugni_udt_iface_t *)arg;
uct_ugni_udt_ep_t *ep;
gni_ep_handle_t ugni_ep;
gni_post_state_t post_state;
gni_return_t ugni_rc;
pthread_mutex_lock(&uct_ugni_global_lock);
ugni_rc = GNI_PostDataProbeById(iface->super.nic_handle, &id);
if (ucs_unlikely(GNI_RC_SUCCESS != ugni_rc)) {
if (GNI_RC_NO_MATCH != ugni_rc) {
ucs_error("GNI_PostDataProbeById , Error status: %s %d",
gni_err_str[ugni_rc], ugni_rc);
}
goto exit;
}
if (UCT_UGNI_UDT_ANY == id) {
/* New incomming message */
ep = NULL;
ugni_ep = iface->ep_any;
desc = iface->desc_any;
} else {
/* Ack message */
ep = ucs_derived_of(uct_ugni_iface_lookup_ep(&iface->super, id),
uct_ugni_udt_ep_t);
if (ucs_unlikely(NULL == ep)) {
ucs_error("Can not lookup ep with id %"PRIx64,id);
goto exit;
}
ugni_ep = ep->super.ep;
desc = ep->posted_desc;
}
ugni_rc = GNI_EpPostDataWaitById(ugni_ep, id, -1, &post_state, &rem_addr, &rem_id);
if (ucs_unlikely(GNI_RC_SUCCESS != ugni_rc)) {
ucs_error("GNI_EpPostDataWaitById, Error status: %s %d",
gni_err_str[ugni_rc], ugni_rc);
goto exit;
}
header = uct_ugni_udt_get_rheader(desc, iface);
payload = uct_ugni_udt_get_rpayload(desc, iface);
user_desc = uct_ugni_udt_get_user_desc(desc, iface);
if (UCT_UGNI_UDT_ANY == id) {
/* New incomming message */
ucs_assert_always(header->type == UCT_UGNI_UDT_PAYLOAD);
uct_iface_trace_am(&iface->super.super, UCT_AM_TRACE_TYPE_RECV,
header->am_id, payload, header->length, "RX: AM");
status = uct_iface_invoke_am(&iface->super.super, header->am_id, payload,
header->length, user_desc);
if (UCS_OK != status) {
uct_ugni_udt_desc_t *new_desc;
/* set iface for a later release call */
uct_recv_desc_iface(user_desc) = &iface->super.super.super;
/* Allocate a new element */
UCT_TL_IFACE_GET_TX_DESC(&iface->super.super, &iface->free_desc,
new_desc, goto exit);
/* set the new desc */
iface->desc_any = new_desc;
}
