[dpdk-dev] [RFC 17/21] regex/mlx5: use HCA attributes from context device

[Michael Baum <michaelba@nvidia.com>]

Use HCA attributes from context device structure, instead of query it
for itself.

Signed-off-by: Michael Baum <michaelba@nvidia.com>
---
 drivers/regex/mlx5/mlx5_regex.c | 18 +++---------------
 1 file changed, 3 insertions(+), 15 deletions(-)

diff --git a/drivers/regex/mlx5/mlx5_regex.c b/drivers/regex/mlx5/mlx5_regex.c
index 3772007d24..ed3cd8972e 100644
--- a/drivers/regex/mlx5/mlx5_regex.c
+++ b/drivers/regex/mlx5/mlx5_regex.c
@@ -126,24 +126,12 @@ mlx5_regex_dev_probe(struct mlx5_common_device *mlx5_dev)
 {
 	struct mlx5_regex_priv *priv = NULL;
 	struct mlx5_dev_ctx *dev_ctx = &mlx5_dev->ctx;
-	struct mlx5_hca_attr attr;
 	char name[RTE_REGEXDEV_NAME_MAX_LEN];
 	const char *ibdev_name = mlx5_os_get_ctx_device_name(dev_ctx->ctx);
 	int ret;
 	uint32_t val;
 
 	DRV_LOG(INFO, "Probe device \"%s\".", ibdev_name);
-	ret = mlx5_devx_cmd_query_hca_attr(dev_ctx->ctx, &attr);
-	if (ret) {
-		DRV_LOG(ERR, "Unable to read HCA capabilities.");
-		rte_errno = ENOTSUP;
-		return -rte_errno;
-	} else if (!attr.regex || attr.regexp_num_of_engines == 0) {
-		DRV_LOG(ERR, "Not enough capabilities to support RegEx, maybe "
-			"old FW/OFED version?");
-		rte_errno = ENOTSUP;
-		return -rte_errno;
-	}
 	if (mlx5_regex_engines_status(dev_ctx->ctx, 2)) {
 		DRV_LOG(ERR, "RegEx engine error.");
 		rte_errno = ENOMEM;
@@ -156,7 +144,7 @@ mlx5_regex_dev_probe(struct mlx5_common_device *mlx5_dev)
 		rte_errno = ENOMEM;
 		return -rte_errno;
 	}
-	priv->sq_ts_format = attr.sq_ts_format;
+	priv->sq_ts_format = dev_ctx->hca_attr.sq_ts_format;
 	priv->dev_ctx = dev_ctx;
 	priv->nb_engines = 2; /* attr.regexp_num_of_engines */
 	ret = mlx5_devx_regex_register_read(priv->dev_ctx->ctx, 0,
@@ -190,8 +178,8 @@ mlx5_regex_dev_probe(struct mlx5_common_device *mlx5_dev)
 	priv->regexdev->dev_ops = &mlx5_regexdev_ops;
 	priv->regexdev->enqueue = mlx5_regexdev_enqueue;
 #ifdef HAVE_MLX5_UMR_IMKEY
-	if (!attr.umr_indirect_mkey_disabled &&
-	    !attr.umr_modify_entity_size_disabled)
+	if (!dev_ctx->hca_attr.umr_indirect_mkey_disabled &&
+	    !dev_ctx->hca_attr.umr_modify_entity_size_disabled)
 		priv->has_umr = 1;
 	if (priv->has_umr)
 		priv->regexdev->enqueue = mlx5_regexdev_enqueue_gga;
-- 
2.25.1