@@ -271,6 +271,34 @@ mlx5_mr_btree_dump(struct mlx5_mr_btree *bt __rte_unused)
#endif
}
+/**
+ * Initialize per-queue MR control descriptor.
+ *
+ * @param mr_ctrl
+ * Pointer to MR control structure.
+ * @param dev_gen_ptr
+ * Pointer to generation number of global cache.
+ * @param socket
+ * NUMA socket on which memory must be allocated.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+int
+mlx5_mr_ctrl_init(struct mlx5_mr_ctrl *mr_ctrl, uint32_t *dev_gen_ptr,
+ int socket)
+{
+ if (mr_ctrl == NULL) {
+ rte_errno = EINVAL;
+ return -rte_errno;
+ }
+ /* Save pointer of global generation number to check memory event. */
+ mr_ctrl->dev_gen_ptr = dev_gen_ptr;
+ /* Initialize B-tree and allocate memory for bottom-half cache table. */
+ return mlx5_mr_btree_init(&mr_ctrl->cache_bh, MLX5_MR_BTREE_CACHE_N,
+ socket);
+}
+
/**
* Find virtually contiguous memory chunk in a given MR.
*
@@ -124,6 +124,9 @@ mlx5_mr_lookup_lkey(struct mr_cache_entry *lkp_tbl, uint16_t *cached_idx,
return UINT32_MAX;
}
+__rte_internal
+int mlx5_mr_ctrl_init(struct mlx5_mr_ctrl *mr_ctrl, uint32_t *dev_gen_ptr,
+ int socket);
__rte_internal
int mlx5_mr_btree_init(struct mlx5_mr_btree *bt, int n, int socket);
__rte_internal
@@ -111,6 +111,7 @@ INTERNAL {
mlx5_mr_btree_free;
mlx5_mr_btree_init;
mlx5_mr_create_primary;
+ mlx5_mr_ctrl_init;
mlx5_mr_dump_cache;
mlx5_mr_flush_local_cache;
mlx5_mr_free;
@@ -206,8 +206,8 @@ mlx5_compress_qp_setup(struct rte_compressdev *dev, uint16_t qp_id,
return -rte_errno;
}
dev->data->queue_pairs[qp_id] = qp;
- if (mlx5_mr_btree_init(&qp->mr_ctrl.cache_bh, MLX5_MR_BTREE_CACHE_N,
- priv->dev_config.socket_id)) {
+ if (mlx5_mr_ctrl_init(&qp->mr_ctrl, &priv->mr_scache.dev_gen,
+ priv->dev_config.socket_id)) {
DRV_LOG(ERR, "Cannot allocate MR Btree for qp %u.",
(uint32_t)qp_id);
rte_errno = ENOMEM;
@@ -258,8 +258,6 @@ mlx5_compress_qp_setup(struct rte_compressdev *dev, uint16_t qp_id,
ret = mlx5_devx_qp2rts(&qp->qp, 0);
if (ret)
goto err;
- /* Save pointer of global generation number to check memory event. */
- qp->mr_ctrl.dev_gen_ptr = &priv->mr_scache.dev_gen;
DRV_LOG(INFO, "QP %u: SQN=0x%X CQN=0x%X entries num = %u",
(uint32_t)qp_id, qp->qp.qp->id, qp->cq.cq->id, qp->entries_n);
return 0;
@@ -677,14 +677,13 @@ mlx5_crypto_queue_pair_setup(struct rte_cryptodev *dev, uint16_t qp_id,
DRV_LOG(ERR, "Failed to create QP.");
goto error;
}
- if (mlx5_mr_btree_init(&qp->mr_ctrl.cache_bh, MLX5_MR_BTREE_CACHE_N,
- priv->dev_config.socket_id) != 0) {
+ if (mlx5_mr_ctrl_init(&qp->mr_ctrl, &priv->mr_scache.dev_gen,
+ priv->dev_config.socket_id) != 0) {
DRV_LOG(ERR, "Cannot allocate MR Btree for qp %u.",
(uint32_t)qp_id);
rte_errno = ENOMEM;
goto error;
}
- qp->mr_ctrl.dev_gen_ptr = &priv->mr_scache.dev_gen;
/*
* In Order to configure self loopback, when calling devx qp2rts the
* remote QP id that is used is the id of the same QP.
@@ -1449,13 +1449,11 @@ mlx5_rxq_new(struct rte_eth_dev *dev, uint16_t idx, uint16_t desc,
goto error;
}
tmpl->type = MLX5_RXQ_TYPE_STANDARD;
- if (mlx5_mr_btree_init(&tmpl->rxq.mr_ctrl.cache_bh,
- MLX5_MR_BTREE_CACHE_N, socket)) {
+ if (mlx5_mr_ctrl_init(&tmpl->rxq.mr_ctrl,
+ &priv->sh->share_cache.dev_gen, socket)) {
/* rte_errno is already set. */
goto error;
}
- /* Rx queues don't use this pointer, but we want a valid structure. */
- tmpl->rxq.mr_ctrl.dev_gen_ptr = &priv->sh->share_cache.dev_gen;
tmpl->socket = socket;
if (dev->data->dev_conf.intr_conf.rxq)
tmpl->irq = 1;
@@ -1117,13 +1117,11 @@ mlx5_txq_new(struct rte_eth_dev *dev, uint16_t idx, uint16_t desc,
rte_errno = ENOMEM;
return NULL;
}
- if (mlx5_mr_btree_init(&tmpl->txq.mr_ctrl.cache_bh,
- MLX5_MR_BTREE_CACHE_N, socket)) {
+ if (mlx5_mr_ctrl_init(&tmpl->txq.mr_ctrl,
+ &priv->sh->share_cache.dev_gen, socket)) {
/* rte_errno is already set. */
goto error;
}
- /* Save pointer of global generation number to check memory event. */
- tmpl->txq.mr_ctrl.dev_gen_ptr = &priv->sh->share_cache.dev_gen;
MLX5_ASSERT(desc > MLX5_TX_COMP_THRESH);
tmpl->txq.offloads = conf->offloads |
dev->data->dev_conf.txmode.offloads;
@@ -242,10 +242,8 @@ mlx5_regex_qp_setup(struct rte_regexdev *dev, uint16_t qp_ind,
nb_sq_config++;
}
- /* Save pointer of global generation number to check memory event. */
- qp->mr_ctrl.dev_gen_ptr = &priv->mr_scache.dev_gen;
- ret = mlx5_mr_btree_init(&qp->mr_ctrl.cache_bh, MLX5_MR_BTREE_CACHE_N,
- rte_socket_id());
+ ret = mlx5_mr_ctrl_init(&qp->mr_ctrl, &priv->mr_scache.dev_gen,
+ rte_socket_id());
if (ret) {
DRV_LOG(ERR, "Error setting up mr btree");
goto err_btree;