Commit c77aec65 authored by Yishai Hadas's avatar Yishai Hadas Committed by Leon Romanovsky
Browse files

RDMA/mlx5: Consider the query_vuid cap for data_direct 



Consider also the query_vuid cap before enabling the data_direct
functionality.

This may prevent a syndrome from the FW in case the query_vuid command
is not supported. (e.g. migratable VF)

Signed-off-by: default avatarYishai Hadas <yishaih@nvidia.com>
Reviewed-by: default avatarGal Shalom <galshalom@nvidia.com>
Link: https://patch.msgid.link/274c4f6f1ac0b1078243dd296695a49dbe58e7d1.1725907637.git.leonro@nvidia.com


Signed-off-by: default avatarLeon Romanovsky <leon@kernel.org>
parent 907936b6

drivers/infiniband/hw/mlx5/main.c

+4 −2
Original line number Diff line number Diff line
@@ -3479,7 +3479,8 @@ static int mlx5_ib_data_direct_init(struct mlx5_ib_dev *dev) 
	char vuid[MLX5_ST_SZ_BYTES(array1024_auto) + 1] = {};

	int ret;



	if (!MLX5_CAP_GEN(dev->mdev, data_direct))

	if (!MLX5_CAP_GEN(dev->mdev, data_direct) ||

	    !MLX5_CAP_GEN_2(dev->mdev, query_vuid))

		return 0;



	ret = mlx5_cmd_query_vuid(dev->mdev, true, vuid);
@@ -3500,7 +3501,8 @@ static int mlx5_ib_data_direct_init(struct mlx5_ib_dev *dev) 


static void mlx5_ib_data_direct_cleanup(struct mlx5_ib_dev *dev)

{

	if (!MLX5_CAP_GEN(dev->mdev, data_direct))

	if (!MLX5_CAP_GEN(dev->mdev, data_direct) ||

	    !MLX5_CAP_GEN_2(dev->mdev, query_vuid))

		return;



	mlx5_data_direct_ib_unreg(dev);