static ucs_status_t uct_rc_verbs_ep_tag_qp_create(uct_rc_verbs_iface_t *iface,
uct_rc_verbs_ep_t *ep)
{
#if HAVE_IBV_EX_HW_TM
struct ibv_qp_cap cap;
ucs_status_t status;
int ret;
if (UCT_RC_VERBS_TM_ENABLED(iface)) {
/* Send queue of this QP will be used by FW for HW RNDV. Driver requires
* such a QP to be initialized with zero send queue length. */
status = uct_rc_iface_qp_create(&iface->super, IBV_QPT_RC, &ep->tm_qp,
&cap, iface->tm.xrq.srq, 0);
if (status != UCS_OK) {
return status;
}
status = uct_rc_iface_qp_init(&iface->super, ep->tm_qp);
if (status != UCS_OK) {
ret = ibv_destroy_qp(ep->tm_qp);
if (ret) {
ucs_warn("ibv_destroy_qp() returned %d: %m", ret);
}
return status;
}
uct_rc_iface_add_ep(&iface->super, &ep->super, ep->tm_qp->qp_num);
}
#endif
return UCS_OK;
}
[UCT_RC_TXQP_STAT_SIGNAL] = "signal"
}
};
#endif
ucs_status_t uct_rc_txqp_init(uct_rc_txqp_t *txqp, uct_rc_iface_t *iface,
int qp_type, struct ibv_qp_cap *cap
UCS_STATS_ARG(ucs_stats_node_t* stats_parent))
{
ucs_status_t status;
txqp->unsignaled = 0;
txqp->available = 0;
ucs_queue_head_init(&txqp->outstanding);
status = uct_rc_iface_qp_create(iface, qp_type, &txqp->qp, cap);
if (status != UCS_OK) {
goto err;
}
status = UCS_STATS_NODE_ALLOC(&txqp->stats, &uct_rc_txqp_stats_class,
stats_parent, "-0x%x", txqp->qp->qp_num);
if (status != UCS_OK) {
goto err_destroy_qp;
}
return UCS_OK;
err_destroy_qp:
ibv_destroy_qp(txqp->qp);
err:
};
#endif
ucs_status_t uct_rc_txqp_init(uct_rc_txqp_t *txqp, uct_rc_iface_t *iface,
int qp_type, struct ibv_qp_cap *cap
UCS_STATS_ARG(ucs_stats_node_t* stats_parent))
{
ucs_status_t status;
txqp->unsignaled = 0;
txqp->unsignaled_store = 0;
txqp->unsignaled_store_count = 0;
txqp->available = 0;
ucs_queue_head_init(&txqp->outstanding);
status = uct_rc_iface_qp_create(iface, qp_type, &txqp->qp, cap,
iface->config.tx_qp_len);
if (status != UCS_OK) {
goto err;
}
status = UCS_STATS_NODE_ALLOC(&txqp->stats, &uct_rc_txqp_stats_class,
stats_parent, "-0x%x", txqp->qp->qp_num);
if (status != UCS_OK) {
goto err_destroy_qp;
}
return UCS_OK;
err_destroy_qp:
ibv_destroy_qp(txqp->qp);
err:
static UCS_CLASS_INIT_FUNC(uct_rc_verbs_iface_t, uct_pd_h pd, uct_worker_h worker,
const char *dev_name, size_t rx_headroom,
const uct_iface_config_t *tl_config)
{
uct_rc_verbs_iface_config_t *config =
ucs_derived_of(tl_config, uct_rc_verbs_iface_config_t);
struct ibv_exp_device_attr *dev_attr;
size_t am_hdr_size;
ucs_status_t status;
struct ibv_qp_cap cap;
struct ibv_qp *qp;
extern uct_iface_ops_t uct_rc_verbs_iface_ops;
UCS_CLASS_CALL_SUPER_INIT(uct_rc_iface_t, &uct_rc_verbs_iface_ops, pd,
worker, dev_name, rx_headroom, 0, &config->super);
/* Initialize inline work request */
memset(&self->inl_am_wr, 0, sizeof(self->inl_am_wr));
self->inl_am_wr.sg_list = self->inl_sge;
self->inl_am_wr.num_sge = 2;
self->inl_am_wr.opcode = IBV_WR_SEND;
self->inl_am_wr.send_flags = IBV_SEND_INLINE;
memset(&self->inl_rwrite_wr, 0, sizeof(self->inl_rwrite_wr));
self->inl_rwrite_wr.sg_list = self->inl_sge;
self->inl_rwrite_wr.num_sge = 1;
self->inl_rwrite_wr.opcode = IBV_WR_RDMA_WRITE;
self->inl_rwrite_wr.send_flags = IBV_SEND_SIGNALED | IBV_SEND_INLINE;
memset(self->inl_sge, 0, sizeof(self->inl_sge));
/* Configuration */
am_hdr_size = ucs_max(config->max_am_hdr, sizeof(uct_rc_hdr_t));
self->config.short_desc_size = ucs_max(UCT_RC_MAX_ATOMIC_SIZE, am_hdr_size);
dev_attr = &uct_ib_iface_device(&self->super.super)->dev_attr;
if (IBV_EXP_HAVE_ATOMIC_HCA(dev_attr) || IBV_EXP_HAVE_ATOMIC_GLOB(dev_attr)) {
self->config.atomic32_handler = uct_rc_ep_atomic_handler_32_be0;
self->config.atomic64_handler = uct_rc_ep_atomic_handler_64_be0;
} else if (IBV_EXP_HAVE_ATOMIC_HCA_REPLY_BE(dev_attr)) {
self->config.atomic32_handler = uct_rc_ep_atomic_handler_32_be1;
self->config.atomic64_handler = uct_rc_ep_atomic_handler_64_be1;
}
/* Create a dummy QP in order to find out max_inline */
status = uct_rc_iface_qp_create(&self->super, &qp, &cap);
if (status != UCS_OK) {
goto err;
}
ibv_destroy_qp(qp);
self->config.max_inline = cap.max_inline_data;
/* Create AH headers and Atomic mempool */
status = uct_iface_mpool_create(&self->super.super.super.super,
sizeof(uct_rc_iface_send_desc_t) +
self->config.short_desc_size,
sizeof(uct_rc_iface_send_desc_t),
UCS_SYS_CACHE_LINE_SIZE,
&config->super.super.tx.mp,
self->super.config.tx_qp_len,
uct_rc_iface_send_desc_init,
"rc_verbs_short_desc", &self->short_desc_mp);
if (status != UCS_OK) {
goto err;
}
while (self->super.rx.available > 0) {
if (uct_rc_verbs_iface_post_recv(self, 1) == 0) {
ucs_error("failed to post receives");
status = UCS_ERR_NO_MEMORY;
goto err_destroy_short_desc_mp;
}
}
ucs_notifier_chain_add(&worker->progress_chain, uct_rc_verbs_iface_progress,
self);
return UCS_OK;
err_destroy_short_desc_mp:
ucs_mpool_destroy(self->short_desc_mp);
err:
return status;
}
