int ofi_check_tx_attr(const struct fi_provider *prov,
const struct fi_tx_attr *prov_attr,
const struct fi_tx_attr *user_attr)
{
if (user_attr->caps & ~(prov_attr->caps)) {
FI_INFO(prov, FI_LOG_CORE, "caps not supported\n");
FI_INFO_CAPS(prov, prov_attr, user_attr, caps, FI_TYPE_CAPS);
return -FI_ENODATA;
}
if ((user_attr->mode & prov_attr->mode) != prov_attr->mode) {
FI_INFO(prov, FI_LOG_CORE, "needed mode not set\n");
FI_INFO_MODE(prov, prov_attr, user_attr);
return -FI_ENODATA;
}
if (prov_attr->op_flags & ~(prov_attr->op_flags)) {
FI_INFO(prov, FI_LOG_CORE, "op_flags not supported\n");
FI_INFO_CAPS(prov, prov_attr, user_attr, op_flags, FI_TYPE_OP_FLAGS);
return -FI_ENODATA;
}
if (user_attr->msg_order & ~(prov_attr->msg_order)) {
FI_INFO(prov, FI_LOG_CORE, "msg_order not supported\n");
FI_INFO_CAPS(prov, prov_attr, user_attr, msg_order, FI_TYPE_MSG_ORDER);
return -FI_ENODATA;
}
if (user_attr->comp_order & ~(prov_attr->comp_order)) {
FI_INFO(prov, FI_LOG_CORE, "comp_order not supported\n");
FI_INFO_CAPS(prov, prov_attr, user_attr, comp_order, FI_TYPE_MSG_ORDER);
return -FI_ENODATA;
}
if (user_attr->inject_size > prov_attr->inject_size) {
FI_INFO(prov, FI_LOG_CORE, "inject_size too large\n");
return -FI_ENODATA;
}
if (user_attr->size > prov_attr->size) {
FI_INFO(prov, FI_LOG_CORE, "size is greater than supported\n");
return -FI_ENODATA;
}
if (user_attr->iov_limit > prov_attr->iov_limit) {
FI_INFO(prov, FI_LOG_CORE, "iov_limit too large\n");
return -FI_ENODATA;
}
if (user_attr->rma_iov_limit > prov_attr->rma_iov_limit) {
FI_INFO(prov, FI_LOG_CORE, "rma_iov_limit too large\n");
return -FI_ENODATA;
}
return 0;
}
int fi_ibv_check_tx_attr(const struct fi_tx_attr *attr,
const struct fi_info *hints, const struct fi_info *info)
{
if (attr->caps & ~(info->tx_attr->caps)) {
VERBS_INFO(FI_LOG_CORE,
"Given tx_attr->caps not supported\n");
FI_INFO_CHECK(&fi_ibv_prov, (info->tx_attr), attr, caps, FI_TYPE_CAPS);
return -FI_ENODATA;
}
if (((attr->mode ? attr->mode : hints->mode) &
info->tx_attr->mode) != info->tx_attr->mode) {
size_t user_mode = (attr->mode ? attr->mode : hints->mode);
VERBS_INFO(FI_LOG_CORE,
"Given tx_attr->mode not supported\n");
FI_INFO_MODE(&fi_ibv_prov, info->tx_attr->mode, user_mode);
return -FI_ENODATA;
}
if (attr->op_flags & ~(info->tx_attr->op_flags)) {
VERBS_INFO(FI_LOG_CORE,
"Given tx_attr->op_flags not supported\n");
return -FI_ENODATA;
}
if (attr->msg_order & ~(info->tx_attr->msg_order)) {
VERBS_INFO(FI_LOG_CORE,
"Given tx_attr->msg_order not supported\n");
return -FI_ENODATA;
}
if (attr->size > info->tx_attr->size) {
VERBS_INFO(FI_LOG_CORE,
"Given tx_attr->size is greater than supported\n");
FI_INFO_CHECK_VAL(&fi_ibv_prov, (info->tx_attr), attr, size);
return -FI_ENODATA;
}
if (attr->iov_limit > info->tx_attr->iov_limit) {
VERBS_INFO(FI_LOG_CORE,
"Given tx_attr->iov_limit greater than supported\n");
FI_INFO_CHECK_VAL(&fi_ibv_prov, (info->tx_attr), attr,
iov_limit);
return -FI_ENODATA;
}
if (attr->rma_iov_limit > info->tx_attr->rma_iov_limit) {
VERBS_INFO(FI_LOG_CORE,
"Given tx_attr->rma_iov_limit greater than supported\n");
FI_INFO_CHECK_VAL(&fi_ibv_prov, (info->tx_attr), attr,
rma_iov_limit);
return -FI_ENODATA;
}
return 0;
}
static int fi_ibv_check_hints(uint32_t version, const struct fi_info *hints,
const struct fi_info *info)
{
int ret;
uint64_t prov_mode;
if (hints->caps & ~(info->caps)) {
VERBS_INFO(FI_LOG_CORE, "Unsupported capabilities\n");
FI_INFO_CHECK(&fi_ibv_prov, info, hints, caps, FI_TYPE_CAPS);
return -FI_ENODATA;
}
prov_mode = ofi_mr_get_prov_mode(version, hints, info);
if ((hints->mode & prov_mode) != prov_mode) {
VERBS_INFO(FI_LOG_CORE, "needed mode not set\n");
FI_INFO_MODE(&fi_ibv_prov, prov_mode, hints->mode);
return -FI_ENODATA;
}
if (hints->fabric_attr) {
ret = ofi_check_fabric_attr(&fi_ibv_prov, info->fabric_attr,
hints->fabric_attr);
if (ret)
return ret;
}
if (hints->domain_attr) {
ret = ofi_check_domain_attr(&fi_ibv_prov, version, info->domain_attr,
hints->domain_attr);
if (ret)
return ret;
}
if (hints->ep_attr) {
ret = fi_ibv_check_ep_attr(hints->ep_attr, info);
if (ret)
return ret;
}
if (hints->rx_attr) {
ret = fi_ibv_check_rx_attr(hints->rx_attr, hints, info);
if (ret)
return ret;
}
if (hints->tx_attr) {
ret = fi_ibv_check_tx_attr(hints->tx_attr, hints, info);
if (ret)
return ret;
}
return 0;
}
static int efa_check_hints(uint32_t version, const struct fi_info *hints,
const struct fi_info *info)
{
uint64_t prov_mode;
size_t size;
int ret;
if (hints->caps & ~(info->caps)) {
EFA_INFO(FI_LOG_CORE, "Unsupported capabilities\n");
FI_INFO_CHECK(&efa_prov, info, hints, caps, FI_TYPE_CAPS);
return -FI_ENODATA;
}
prov_mode = ofi_mr_get_prov_mode(version, hints, info);
if ((hints->mode & prov_mode) != prov_mode) {
EFA_INFO(FI_LOG_CORE, "Required hints mode bits not set\n");
FI_INFO_MODE(&efa_prov, prov_mode, hints->mode);
return -FI_ENODATA;
}
if (hints->fabric_attr) {
ret = ofi_check_fabric_attr(&efa_prov, info->fabric_attr,
hints->fabric_attr);
if (ret)
return ret;
}
switch (hints->addr_format) {
case FI_FORMAT_UNSPEC:
case FI_ADDR_EFA:
size = EFA_EP_ADDR_LEN;
break;
default:
EFA_INFO(FI_LOG_CORE,
"Address format not supported: hints[%u], supported[%u,%u]\n",
hints->addr_format, FI_FORMAT_UNSPEC, FI_ADDR_EFA);
return -FI_ENODATA;
}
if (hints->src_addr && hints->src_addrlen < size)
return -FI_ENODATA;
if (hints->dest_addr && hints->dest_addrlen < size)
return -FI_ENODATA;
if (hints->domain_attr) {
ret = ofi_check_domain_attr(&efa_prov, version, info->domain_attr, hints);
if (ret)
return ret;
}
if (hints->ep_attr) {
ret = ofi_check_ep_attr(&efa_util_prov, info->fabric_attr->api_version, info, hints);
if (ret)
return ret;
}
if (hints->rx_attr) {
ret = ofi_check_rx_attr(&efa_prov, info, hints->rx_attr, hints->mode);
if (ret)
return ret;
}
if (hints->tx_attr) {
ret = ofi_check_tx_attr(&efa_prov, info->tx_attr, hints->tx_attr, hints->mode);
if (ret)
return ret;
}
return 0;
}
int ofi_check_info(const struct util_prov *util_prov,
const struct fi_info *user_info,
enum fi_match_type type)
{
const struct fi_info *prov_info = util_prov->info;
const struct fi_provider *prov = util_prov->prov;
int ret;
if (!user_info)
return 0;
if (user_info->caps & ~(prov_info->caps)) {
FI_INFO(prov, FI_LOG_CORE, "Unsupported capabilities\n");
FI_INFO_CAPS(prov, prov_info, user_info, caps, FI_TYPE_CAPS);
return -FI_ENODATA;
}
if ((user_info->mode & prov_info->mode) != prov_info->mode) {
FI_INFO(prov, FI_LOG_CORE, "needed mode not set\n");
FI_INFO_MODE(prov, prov_info, user_info);
return -FI_ENODATA;
}
if (!fi_valid_addr_format(prov_info->addr_format,
user_info->addr_format)) {
FI_INFO(prov, FI_LOG_CORE, "address format not supported\n");
return -FI_ENODATA;
}
if (user_info->fabric_attr) {
ret = ofi_check_fabric_attr(prov, prov_info->fabric_attr,
user_info->fabric_attr,
type);
if (ret)
return ret;
}
if (user_info->domain_attr) {
ret = ofi_check_domain_attr(prov, prov_info->domain_attr,
user_info->domain_attr,
type);
if (ret)
return ret;
}
if (user_info->ep_attr) {
ret = ofi_check_ep_attr(util_prov, user_info->ep_attr);
if (ret)
return ret;
}
if (user_info->rx_attr) {
ret = ofi_check_rx_attr(prov, prov_info->rx_attr,
user_info->rx_attr);
if (ret)
return ret;
}
if (user_info->tx_attr) {
ret = ofi_check_tx_attr(prov, prov_info->tx_attr,
user_info->tx_attr);
if (ret)
return ret;
}
return 0;
}
int ofi_check_domain_attr(const struct fi_provider *prov,
const struct fi_domain_attr *prov_attr,
const struct fi_domain_attr *user_attr,
enum fi_match_type type)
{
if (user_attr->name && fi_check_name(user_attr->name, prov_attr->name, type)) {
FI_INFO(prov, FI_LOG_CORE, "Unknown domain name\n");
return -FI_ENODATA;
}
if (fi_thread_level(user_attr->threading) <
fi_thread_level(prov_attr->threading)) {
FI_INFO(prov, FI_LOG_CORE, "Invalid threading model\n");
return -FI_ENODATA;
}
if (fi_progress_level(user_attr->control_progress) <
fi_progress_level(prov_attr->control_progress)) {
FI_INFO(prov, FI_LOG_CORE, "Invalid control progress model\n");
return -FI_ENODATA;
}
if (fi_progress_level(user_attr->data_progress) <
fi_progress_level(prov_attr->data_progress)) {
FI_INFO(prov, FI_LOG_CORE, "Invalid data progress model\n");
return -FI_ENODATA;
}
if (fi_resource_mgmt_level(user_attr->resource_mgmt) <
fi_resource_mgmt_level(prov_attr->resource_mgmt)) {
FI_INFO(prov, FI_LOG_CORE, "Invalid resource mgmt model\n");
return -FI_ENODATA;
}
if ((prov_attr->av_type != FI_AV_UNSPEC) &&
(user_attr->av_type != FI_AV_UNSPEC) &&
(prov_attr->av_type != user_attr->av_type)) {
FI_INFO(prov, FI_LOG_CORE, "Invalid AV type\n");
return -FI_ENODATA;
}
if (user_attr->mr_mode && (user_attr->mr_mode != prov_attr->mr_mode)) {
FI_INFO(prov, FI_LOG_CORE, "Invalid memory registration mode\n");
return -FI_ENODATA;
}
if (user_attr->cq_data_size > prov_attr->cq_data_size) {
FI_INFO(prov, FI_LOG_CORE, "CQ data size too large\n");
return -FI_ENODATA;
}
if (user_attr->caps & ~(prov_attr->caps)) {
FI_INFO(prov, FI_LOG_CORE, "Requested domain caps not supported\n");
FI_INFO_CAPS(prov, prov_attr, user_attr, caps, FI_TYPE_CAPS);
return -FI_ENODATA;
}
if ((user_attr->mode & prov_attr->mode) != prov_attr->mode) {
FI_INFO(prov, FI_LOG_CORE, "Required domain mode missing\n");
FI_INFO_MODE(prov, prov_attr, user_attr);
return -FI_ENODATA;
}
return 0;
}
/* if there is only single fi_info in the provider */
int ofi_check_info(const struct util_prov *util_prov,
const struct fi_info *prov_info, uint32_t api_version,
const struct fi_info *user_info)
{
const struct fi_provider *prov = util_prov->prov;
uint64_t prov_mode;
int ret;
if (!user_info)
return 0;
/* Check oft-used endpoint type attribute first to avoid any other
* unnecessary check */
if (user_info->ep_attr) {
ret = ofi_check_ep_type(prov, prov_info->ep_attr,
user_info->ep_attr);
if (ret)
return ret;
}
if (user_info->caps & ~(prov_info->caps)) {
FI_INFO(prov, FI_LOG_CORE, "Unsupported capabilities\n");
FI_INFO_CHECK(prov, prov_info, user_info, caps, FI_TYPE_CAPS);
return -FI_ENODATA;
}
prov_mode = ofi_mr_get_prov_mode(api_version, user_info, prov_info);
if ((user_info->mode & prov_mode) != prov_mode) {
FI_INFO(prov, FI_LOG_CORE, "needed mode not set\n");
FI_INFO_MODE(prov, prov_mode, user_info->mode);
return -FI_ENODATA;
}
if (!fi_valid_addr_format(prov_info->addr_format,
user_info->addr_format)) {
FI_INFO(prov, FI_LOG_CORE, "address format not supported\n");
FI_INFO_CHECK(prov, prov_info, user_info, addr_format,
FI_TYPE_ADDR_FORMAT);
return -FI_ENODATA;
}
if (user_info->fabric_attr) {
ret = ofi_check_fabric_attr(prov, prov_info->fabric_attr,
user_info->fabric_attr);
if (ret)
return ret;
}
if (user_info->domain_attr) {
ret = ofi_check_domain_attr(prov, api_version,
prov_info->domain_attr,
user_info);
if (ret)
return ret;
}
if (user_info->ep_attr) {
ret = ofi_check_ep_attr(util_prov, api_version,
prov_info, user_info);
if (ret)
return ret;
}
if (user_info->rx_attr) {
ret = ofi_check_rx_attr(prov, prov_info,
user_info->rx_attr, user_info->mode);
if (ret)
return ret;
}
if (user_info->tx_attr) {
ret = ofi_check_tx_attr(prov, prov_info->tx_attr,
user_info->tx_attr, user_info->mode);
if (ret)
return ret;
}
return 0;
}
int ofi_check_rx_attr(const struct fi_provider *prov,
const struct fi_info *prov_info,
const struct fi_rx_attr *user_attr, uint64_t info_mode)
{
const struct fi_rx_attr *prov_attr = prov_info->rx_attr;
int rm_enabled = (prov_info->domain_attr->resource_mgmt == FI_RM_ENABLED);
if (user_attr->caps & ~(prov_attr->caps)) {
FI_INFO(prov, FI_LOG_CORE, "caps not supported\n");
FI_INFO_CHECK(prov, prov_attr, user_attr, caps, FI_TYPE_CAPS);
return -FI_ENODATA;
}
info_mode = user_attr->mode ? user_attr->mode : info_mode;
if ((info_mode & prov_attr->mode) != prov_attr->mode) {
FI_INFO(prov, FI_LOG_CORE, "needed mode not set\n");
FI_INFO_MODE(prov, prov_attr->mode, user_attr->mode);
return -FI_ENODATA;
}
if (prov_attr->op_flags & ~(prov_attr->op_flags)) {
FI_INFO(prov, FI_LOG_CORE, "op_flags not supported\n");
FI_INFO_CHECK(prov, prov_attr, user_attr, op_flags,
FI_TYPE_OP_FLAGS);
return -FI_ENODATA;
}
if (user_attr->msg_order & ~(prov_attr->msg_order)) {
FI_INFO(prov, FI_LOG_CORE, "msg_order not supported\n");
FI_INFO_CHECK(prov, prov_attr, user_attr, msg_order,
FI_TYPE_MSG_ORDER);
return -FI_ENODATA;
}
if (user_attr->comp_order & ~(prov_attr->comp_order)) {
FI_INFO(prov, FI_LOG_CORE, "comp_order not supported\n");
FI_INFO_CHECK(prov, prov_attr, user_attr, comp_order,
FI_TYPE_MSG_ORDER);
return -FI_ENODATA;
}
if (user_attr->total_buffered_recv > prov_attr->total_buffered_recv) {
FI_INFO(prov, FI_LOG_CORE, "total_buffered_recv too large\n");
FI_INFO_CHECK_VAL(prov, prov_attr, user_attr,
total_buffered_recv);
return -FI_ENODATA;
}
if (user_attr->size > prov_attr->size) {
FI_INFO(prov, FI_LOG_CORE, "size is greater than supported\n");
FI_INFO_CHECK_VAL(prov, prov_attr, user_attr, size);
return -FI_ENODATA;
}
if (user_attr->iov_limit > prov_attr->iov_limit) {
FI_INFO(prov, FI_LOG_CORE, "iov_limit too large\n");
FI_INFO_CHECK_VAL(prov, prov_attr, user_attr, iov_limit);
return -FI_ENODATA;
}
if (!rm_enabled &&
user_attr->total_buffered_recv > prov_attr->total_buffered_recv) {
/* Just log a notification, but ignore the value */
FI_INFO(prov, FI_LOG_CORE,
"Total buffered recv size exceeds supported size\n");
FI_INFO_CHECK_VAL(prov, prov_attr, user_attr,
total_buffered_recv);
}
return 0;
}
int ofi_check_domain_attr(const struct fi_provider *prov, uint32_t api_version,
const struct fi_domain_attr *prov_attr,
const struct fi_info *user_info)
{
const struct fi_domain_attr *user_attr = user_info->domain_attr;
if (prov_attr->name && user_attr->name &&
strcasecmp(user_attr->name, prov_attr->name)) {
FI_INFO(prov, FI_LOG_CORE, "Unknown domain name\n");
FI_INFO_NAME(prov, prov_attr, user_attr);
return -FI_ENODATA;
}
if (fi_thread_level(user_attr->threading) <
fi_thread_level(prov_attr->threading)) {
FI_INFO(prov, FI_LOG_CORE, "Invalid threading model\n");
return -FI_ENODATA;
}
if (fi_progress_level(user_attr->control_progress) <
fi_progress_level(prov_attr->control_progress)) {
FI_INFO(prov, FI_LOG_CORE, "Invalid control progress model\n");
return -FI_ENODATA;
}
if (fi_progress_level(user_attr->data_progress) <
fi_progress_level(prov_attr->data_progress)) {
FI_INFO(prov, FI_LOG_CORE, "Invalid data progress model\n");
return -FI_ENODATA;
}
if (fi_resource_mgmt_level(user_attr->resource_mgmt) <
fi_resource_mgmt_level(prov_attr->resource_mgmt)) {
FI_INFO(prov, FI_LOG_CORE, "Invalid resource mgmt model\n");
return -FI_ENODATA;
}
if ((prov_attr->av_type != FI_AV_UNSPEC) &&
(user_attr->av_type != FI_AV_UNSPEC) &&
(prov_attr->av_type != user_attr->av_type)) {
FI_INFO(prov, FI_LOG_CORE, "Invalid AV type\n");
return -FI_ENODATA;
}
if (user_attr->cq_data_size > prov_attr->cq_data_size) {
FI_INFO(prov, FI_LOG_CORE, "CQ data size too large\n");
FI_INFO_CHECK_VAL(prov, prov_attr, user_attr, cq_data_size);
return -FI_ENODATA;
}
if (ofi_check_mr_mode(prov, api_version, prov_attr->mr_mode, user_info))
return -FI_ENODATA;
if (user_attr->max_ep_stx_ctx > prov_attr->max_ep_stx_ctx) {
FI_INFO(prov, FI_LOG_CORE, "max_ep_stx_ctx greater than supported\n");
FI_INFO_CHECK_VAL(prov, prov_attr, user_attr, max_ep_stx_ctx);
}
if (user_attr->max_ep_srx_ctx > prov_attr->max_ep_srx_ctx) {
FI_INFO(prov, FI_LOG_CORE, "max_ep_srx_ctx greater than supported\n");
FI_INFO_CHECK_VAL(prov, prov_attr, user_attr, max_ep_srx_ctx);
}
/* following checks only apply to api 1.5 and beyond */
if (FI_VERSION_LT(api_version, FI_VERSION(1, 5)))
return 0;
if (user_attr->cntr_cnt > prov_attr->cntr_cnt) {
FI_INFO(prov, FI_LOG_CORE, "Cntr count too large\n");
return -FI_ENODATA;
}
if (user_attr->mr_iov_limit > prov_attr->mr_iov_limit) {
FI_INFO(prov, FI_LOG_CORE, "MR iov limit too large\n");
FI_INFO_CHECK_VAL(prov, prov_attr, user_attr, mr_iov_limit);
return -FI_ENODATA;
}
if (user_attr->caps & ~(prov_attr->caps)) {
FI_INFO(prov, FI_LOG_CORE, "Requested domain caps not supported\n");
FI_INFO_CHECK(prov, prov_attr, user_attr, caps, FI_TYPE_CAPS);
return -FI_ENODATA;
}
if ((user_attr->mode & prov_attr->mode) != prov_attr->mode) {
FI_INFO(prov, FI_LOG_CORE, "Required domain mode missing\n");
FI_INFO_MODE(prov, prov_attr->mode, user_attr->mode);
return -FI_ENODATA;
}
if (user_attr->max_err_data > prov_attr->max_err_data) {
FI_INFO(prov, FI_LOG_CORE, "Max err data too large\n");
FI_INFO_CHECK_VAL(prov, prov_attr, user_attr, max_err_data);
return -FI_ENODATA;
}
if (user_attr->mr_cnt > prov_attr->mr_cnt) {
FI_INFO(prov, FI_LOG_CORE, "MR count too large\n");
FI_INFO_CHECK_VAL(prov, prov_attr, user_attr, mr_cnt);
return -FI_ENODATA;
}
return 0;
}
int fi_ibv_check_rx_attr(const struct fi_rx_attr *attr,
const struct fi_info *hints, const struct fi_info *info)
{
uint64_t compare_mode, check_mode;
int rm_enabled;
if (attr->caps & ~(info->rx_attr->caps)) {
VERBS_INFO(FI_LOG_CORE,
"Given rx_attr->caps not supported\n");
return -FI_ENODATA;
}
compare_mode = attr->mode ? attr->mode : hints->mode;
check_mode = (hints->caps & FI_RMA) ? info->rx_attr->mode :
(info->rx_attr->mode & ~FI_RX_CQ_DATA);
if ((compare_mode & check_mode) != check_mode) {
VERBS_INFO(FI_LOG_CORE,
"Given rx_attr->mode not supported\n");
FI_INFO_MODE(&fi_ibv_prov, check_mode, compare_mode);
return -FI_ENODATA;
}
if (attr->op_flags & ~(info->rx_attr->op_flags)) {
VERBS_INFO(FI_LOG_CORE,
"Given rx_attr->op_flags not supported\n");
return -FI_ENODATA;
}
if (attr->msg_order & ~(info->rx_attr->msg_order)) {
VERBS_INFO(FI_LOG_CORE,
"Given rx_attr->msg_order not supported\n");
return -FI_ENODATA;
}
if (attr->size > info->rx_attr->size) {
VERBS_INFO(FI_LOG_CORE,
"Given rx_attr->size is greater than supported\n");
FI_INFO_CHECK_VAL(&fi_ibv_prov, info->rx_attr, attr, size);
return -FI_ENODATA;
}
rm_enabled =(info->domain_attr &&
info->domain_attr->resource_mgmt == FI_RM_ENABLED);
if (!rm_enabled &&
(attr->total_buffered_recv > info->rx_attr->total_buffered_recv))
{
VERBS_INFO(FI_LOG_CORE,
"Given rx_attr->total_buffered_recv "
"exceeds supported size\n");
FI_INFO_CHECK_VAL(&fi_ibv_prov, info->rx_attr, attr,
total_buffered_recv);
return -FI_ENODATA;
}
if (attr->iov_limit > info->rx_attr->iov_limit) {
VERBS_INFO(FI_LOG_CORE,
"Given rx_attr->iov_limit greater than supported\n");
FI_INFO_CHECK_VAL(&fi_ibv_prov, info->rx_attr, attr,
iov_limit);
return -FI_ENODATA;
}
return 0;
}