diff --git a/drivers/crypto/mlx5/mlx5_crypto.c b/drivers/crypto/mlx5/mlx5_crypto.c index 9ad64f7244..ad1d7b65aa 100644 --- a/drivers/crypto/mlx5/mlx5_crypto.c +++ b/drivers/crypto/mlx5/mlx5_crypto.c @@ -6,6 +6,7 @@ #include #include #include +#include #include #include @@ -18,6 +19,7 @@ #define MLX5_CRYPTO_DRIVER_NAME crypto_mlx5 #define MLX5_CRYPTO_LOG_NAME pmd.crypto.mlx5 +#define MLX5_CRYPTO_MAX_QPS 1024 #define MLX5_CRYPTO_FEATURE_FLAGS \ RTE_CRYPTODEV_FF_HW_ACCELERATED @@ -74,7 +76,7 @@ mlx5_crypto_dev_infos_get(struct rte_cryptodev *dev, dev_info->driver_id = mlx5_crypto_driver_id; dev_info->feature_flags = MLX5_CRYPTO_FEATURE_FLAGS; dev_info->capabilities = mlx5_crypto_caps; - dev_info->max_nb_queue_pairs = 0; + dev_info->max_nb_queue_pairs = MLX5_CRYPTO_MAX_QPS; dev_info->min_mbuf_headroom_req = 0; dev_info->min_mbuf_tailroom_req = 0; dev_info->sym.max_nb_sessions = 0; @@ -132,6 +134,127 @@ mlx5_crypto_dev_close(struct rte_cryptodev *dev) return 0; } +static int +mlx5_crypto_queue_pair_release(struct rte_cryptodev *dev, uint16_t qp_id) +{ + struct mlx5_crypto_qp *qp = dev->data->queue_pairs[qp_id]; + + if (qp->qp_obj != NULL) + claim_zero(mlx5_devx_cmd_destroy(qp->qp_obj)); + if (qp->umem_obj != NULL) + claim_zero(mlx5_glue->devx_umem_dereg(qp->umem_obj)); + if (qp->umem_buf != NULL) + rte_free(qp->umem_buf); + mlx5_devx_cq_destroy(&qp->cq_obj); + rte_free(qp); + dev->data->queue_pairs[qp_id] = NULL; + return 0; +} + +static int +mlx5_crypto_qp2rts(struct mlx5_crypto_qp *qp) +{ + /* + * In Order to configure self loopback, when calling these functions the + * remote QP id that is used is the id of the same QP. + */ + if (mlx5_devx_cmd_modify_qp_state(qp->qp_obj, MLX5_CMD_OP_RST2INIT_QP, + qp->qp_obj->id)) { + DRV_LOG(ERR, "Failed to modify QP to INIT state(%u).", + rte_errno); + return -1; + } + if (mlx5_devx_cmd_modify_qp_state(qp->qp_obj, MLX5_CMD_OP_INIT2RTR_QP, + qp->qp_obj->id)) { + DRV_LOG(ERR, "Failed to modify QP to RTR state(%u).", + rte_errno); + return -1; + } + if (mlx5_devx_cmd_modify_qp_state(qp->qp_obj, MLX5_CMD_OP_RTR2RTS_QP, + qp->qp_obj->id)) { + DRV_LOG(ERR, "Failed to modify QP to RTS state(%u).", + rte_errno); + return -1; + } + return 0; +} + +static int +mlx5_crypto_queue_pair_setup(struct rte_cryptodev *dev, uint16_t qp_id, + const struct rte_cryptodev_qp_conf *qp_conf, + int socket_id) +{ + struct mlx5_crypto_priv *priv = dev->data->dev_private; + struct mlx5_devx_qp_attr attr = {0}; + struct mlx5_crypto_qp *qp; + uint16_t log_nb_desc = rte_log2_u32(qp_conf->nb_descriptors); + uint32_t umem_size = RTE_BIT32(log_nb_desc) * + MLX5_CRYPTO_WQE_SET_SIZE + + sizeof(*qp->db_rec) * 2; + uint32_t alloc_size = sizeof(*qp); + struct mlx5_devx_cq_attr cq_attr = { + .uar_page_id = mlx5_os_get_devx_uar_page_id(priv->uar), + }; + + if (dev->data->queue_pairs[qp_id] != NULL) + mlx5_crypto_queue_pair_release(dev, qp_id); + alloc_size = RTE_ALIGN(alloc_size, RTE_CACHE_LINE_SIZE); + alloc_size += sizeof(struct rte_crypto_op *) * RTE_BIT32(log_nb_desc); + qp = rte_zmalloc_socket(__func__, alloc_size, RTE_CACHE_LINE_SIZE, + socket_id); + if (qp == NULL) { + DRV_LOG(ERR, "Failed to allocate QP memory."); + rte_errno = ENOMEM; + return -rte_errno; + } + if (mlx5_devx_cq_create(priv->ctx, &qp->cq_obj, log_nb_desc, + &cq_attr, socket_id) != 0) { + DRV_LOG(ERR, "Failed to create CQ."); + goto error; + } + qp->umem_buf = rte_zmalloc_socket(__func__, umem_size, 4096, socket_id); + if (qp->umem_buf == NULL) { + DRV_LOG(ERR, "Failed to allocate QP umem."); + rte_errno = ENOMEM; + goto error; + } + qp->umem_obj = mlx5_glue->devx_umem_reg(priv->ctx, + (void *)(uintptr_t)qp->umem_buf, + umem_size, + IBV_ACCESS_LOCAL_WRITE); + if (qp->umem_obj == NULL) { + DRV_LOG(ERR, "Failed to register QP umem."); + goto error; + } + attr.pd = priv->pdn; + attr.uar_index = mlx5_os_get_devx_uar_page_id(priv->uar); + attr.cqn = qp->cq_obj.cq->id; + attr.log_page_size = rte_log2_u32(sysconf(_SC_PAGESIZE)); + attr.rq_size = 0; + attr.sq_size = RTE_BIT32(log_nb_desc); + attr.dbr_umem_valid = 1; + attr.wq_umem_id = qp->umem_obj->umem_id; + attr.wq_umem_offset = 0; + attr.dbr_umem_id = qp->umem_obj->umem_id; + attr.dbr_address = RTE_BIT64(log_nb_desc) * + MLX5_CRYPTO_WQE_SET_SIZE; + qp->qp_obj = mlx5_devx_cmd_create_qp(priv->ctx, &attr); + if (qp->qp_obj == NULL) { + DRV_LOG(ERR, "Failed to create QP(%u).", rte_errno); + goto error; + } + qp->db_rec = RTE_PTR_ADD(qp->umem_buf, (uintptr_t)attr.dbr_address); + if (mlx5_crypto_qp2rts(qp)) + goto error; + qp->ops = (struct rte_crypto_op **)RTE_ALIGN((uintptr_t)(qp + 1), + RTE_CACHE_LINE_SIZE); + dev->data->queue_pairs[qp_id] = qp; + return 0; +error: + mlx5_crypto_queue_pair_release(dev, qp_id); + return -1; +} + static struct rte_cryptodev_ops mlx5_crypto_ops = { .dev_configure = mlx5_crypto_dev_configure, .dev_start = mlx5_crypto_dev_start, @@ -140,8 +263,8 @@ static struct rte_cryptodev_ops mlx5_crypto_ops = { .dev_infos_get = mlx5_crypto_dev_infos_get, .stats_get = NULL, .stats_reset = NULL, - .queue_pair_setup = NULL, - .queue_pair_release = NULL, + .queue_pair_setup = mlx5_crypto_queue_pair_setup, + .queue_pair_release = mlx5_crypto_queue_pair_release, .sym_session_get_size = NULL, .sym_session_configure = NULL, .sym_session_clear = NULL, diff --git a/drivers/crypto/mlx5/mlx5_crypto.h b/drivers/crypto/mlx5/mlx5_crypto.h index 11772bb846..949092cd37 100644 --- a/drivers/crypto/mlx5/mlx5_crypto.h +++ b/drivers/crypto/mlx5/mlx5_crypto.h @@ -11,9 +11,11 @@ #include #include +#include #define MLX5_CRYPTO_DEK_HTABLE_SZ (1 << 11) #define MLX5_CRYPTO_KEY_LENGTH 80 +#define MLX5_CRYPTO_WQE_SET_SIZE 1024 struct mlx5_crypto_priv { TAILQ_ENTRY(mlx5_crypto_priv) next; @@ -27,6 +29,15 @@ struct mlx5_crypto_priv { struct rte_cryptodev_config dev_config; }; +struct mlx5_crypto_qp { + struct mlx5_devx_cq cq_obj; + struct mlx5_devx_obj *qp_obj; + struct mlx5dv_devx_umem *umem_obj; + void *umem_buf; + volatile uint32_t *db_rec; + struct rte_crypto_op **ops; +}; + struct mlx5_crypto_dek { struct mlx5_list_entry entry; /* Pointer to DEK hash list entry. */ struct mlx5_devx_obj *obj; /* Pointer to DEK DevX object. */