int fi_ibv_getinfo(uint32_t version, const char *node, const char *service,
		   uint64_t flags, struct fi_info *hints, struct fi_info **info)
{
	struct rdma_cm_id *id = NULL;
	struct rdma_addrinfo *rai;
	int ret;

	ret = fi_ibv_init_info();
	if (ret)
		goto out;

	ret = fi_ibv_create_ep(node, service, flags, hints, &rai, &id);
	if (ret)
		goto out;

	if (id->verbs) {
		ret = fi_ibv_get_matching_info(ibv_get_device_name(id->verbs->device),
					       hints, rai, info);
	} else {
		ret = fi_ibv_get_matching_info(NULL, hints, rai, info);
		if (!ret && !(flags & FI_SOURCE) && !node 
		&& (!hints || (!hints->src_addr && !hints->dest_addr))) {
			ret = fi_ibv_getifaddrs(service, flags, *info);
			if (ret) {
				fi_freeinfo(*info);
				fi_ibv_destroy_ep(rai, &id);
				goto out;
			}
		}
	}

	if (!ret) {
		ret = fi_ibv_rdm_remove_nonaddr_info(info);
	}

	ofi_alter_info(*info, hints);

	fi_ibv_destroy_ep(rai, &id);

out:
	if (!ret || ret == -FI_ENOMEM || ret == -FI_ENODEV)
		return ret;
	else
		return -FI_ENODATA;
}
示例#2
0
static int fi_ibv_get_srcaddr_devs(struct fi_info **info)
{
	struct fi_info *fi, *add_info;
	struct fi_info *fi_unconf = NULL, *fi_prev = NULL;
	struct verbs_dev_info *dev;
	struct verbs_addr *addr;
	int ret = 0;

	DEFINE_LIST(verbs_devs);

	ret = fi_ibv_getifaddrs(&verbs_devs);
	if (ret)
		return ret;

	if (dlist_empty(&verbs_devs)) {
		VERBS_WARN(FI_LOG_CORE, "No interface address found\n");
		return 0;
	}

	for (fi = *info; fi; fi = fi->next) {
		dlist_foreach_container(&verbs_devs, struct verbs_dev_info, dev, entry)
			if (!strncmp(fi->domain_attr->name, dev->name, strlen(dev->name))) {
				dlist_foreach_container(&dev->addrs, struct verbs_addr, addr, entry) {
					/* When a device has multiple interfaces/addresses configured
					 * duplicate fi_info and add the address info. fi->src_addr
					 * would have been set in the previous iteration */
					if (fi->src_addr) {
						if (!(add_info = fi_dupinfo(fi))) {
							ret = -FI_ENOMEM;
							goto out;
						}

						add_info->next = fi->next;
						fi->next = add_info;
						fi = add_info;
					}

					ret = fi_ibv_rai_to_fi(addr->rai, fi);
					if (ret)
						goto out;
				}
				break;
			}
	}