static int ucp_tag_rndv_is_get_op_possible(ucp_ep_h ep, uct_rkey_t rkey)
{
uint64_t md_flags;
ucs_assert(!ucp_ep_is_stub(ep));
if (ucp_ep_is_rndv_lane_present(ep)) {
md_flags = ucp_ep_rndv_md_flags(ep);
return (((rkey != UCT_INVALID_RKEY) && (md_flags & UCT_MD_FLAG_REG)) ||
!(md_flags & UCT_MD_FLAG_NEED_RKEY));
} else {
return 0;
}
}
ucs_status_t ucp_wireup_send_request(ucp_ep_h ep)
{
ucp_worker_h worker = ep->worker;
ucp_rsc_index_t rsc_tli[UCP_MAX_LANES];
ucp_rsc_index_t rsc_index;
uint64_t tl_bitmap = 0;
ucp_lane_index_t lane;
ucs_status_t status;
if (ep->flags & UCP_EP_FLAG_CONNECT_REQ_SENT) {
return UCS_OK;
}
ucs_assert_always(!ucp_ep_is_stub(ep));
for (lane = 0; lane < UCP_MAX_LANES; ++lane) {
if (lane < ucp_ep_num_lanes(ep)) {
rsc_index = ucp_ep_get_rsc_index(ep, lane);
rsc_tli[lane] = ucp_worker_is_tl_p2p(worker, rsc_index) ? rsc_index :
UCP_NULL_RESOURCE;
tl_bitmap |= UCS_BIT(rsc_index);
} else {
rsc_tli[lane] = UCP_NULL_RESOURCE;
}
}
/* TODO make sure such lane would exist */
rsc_index = ucp_stub_ep_get_aux_rsc_index(
ep->uct_eps[ucp_ep_get_wireup_msg_lane(ep)]);
if (rsc_index != UCP_NULL_RESOURCE) {
tl_bitmap |= UCS_BIT(rsc_index);
}
ucs_debug("ep %p: send wireup request (flags=0x%x)", ep, ep->flags);
status = ucp_wireup_msg_send(ep, UCP_WIREUP_MSG_REQUEST, tl_bitmap, rsc_tli);
ep->flags |= UCP_EP_FLAG_CONNECT_REQ_SENT;
return status;
}
ucs_status_t ucp_wireup_init_lanes(ucp_ep_h ep, unsigned address_count,
const ucp_address_entry_t *address_list,
uint8_t *addr_indices)
{
ucp_worker_h worker = ep->worker;
ucp_ep_config_key_t key;
uint16_t new_cfg_index;
ucp_lane_index_t lane;
ucs_status_t status;
uint8_t conn_flag;
char str[32];
ucs_trace("ep %p: initialize lanes", ep);
status = ucp_wireup_select_lanes(ep, address_count, address_list,
addr_indices, &key);
if (status != UCS_OK) {
goto err;
}
key.reachable_md_map |= ucp_ep_config(ep)->key.reachable_md_map;
new_cfg_index = ucp_worker_get_ep_config(worker, &key);
if ((ep->cfg_index == new_cfg_index)) {
return UCS_OK; /* No change */
}
if ((ep->cfg_index != 0) && !ucp_ep_is_stub(ep)) {
/*
* TODO handle a case where we have to change lanes and reconfigure the ep:
*
* - if we already have uct ep connected to an address - move it to the new lane index
* - if we don't yet have connection to an address - create it
* - if an existing lane is not connected anymore - delete it (possibly)
* - if the configuration has changed - replay all pending operations on all lanes -
* need that every pending callback would return, in case of failure, the number
* of lane it wants to be queued on.
*/
ucs_debug("cannot reconfigure ep %p from [%d] to [%d]", ep, ep->cfg_index,
new_cfg_index);
ucp_wireup_print_config(worker->context, &ucp_ep_config(ep)->key, "old", NULL);
ucp_wireup_print_config(worker->context, &key, "new", NULL);
ucs_fatal("endpoint reconfiguration not supported yet");
}
ep->cfg_index = new_cfg_index;
ep->am_lane = key.am_lane;
snprintf(str, sizeof(str), "ep %p", ep);
ucp_wireup_print_config(worker->context, &ucp_ep_config(ep)->key, str,
addr_indices);
ucs_trace("ep %p: connect lanes", ep);
/* establish connections on all underlying endpoints */
conn_flag = UCP_EP_FLAG_LOCAL_CONNECTED;
for (lane = 0; lane < ucp_ep_num_lanes(ep); ++lane) {
status = ucp_wireup_connect_lane(ep, lane, address_count, address_list,
addr_indices[lane]);
if (status != UCS_OK) {
goto err;
}
if (ucp_worker_is_tl_p2p(worker, ucp_ep_get_rsc_index(ep, lane))) {
conn_flag = 0; /* If we have a p2p transport, we're not connected */
}
}
ep->flags |= conn_flag;
return UCS_OK;
err:
for (lane = 0; lane < ucp_ep_num_lanes(ep); ++lane) {
if (ep->uct_eps[lane] != NULL) {
uct_ep_destroy(ep->uct_eps[lane]);
ep->uct_eps[lane] = NULL;
}
}
return status;
}
