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RDMA/mlx5: Consider the query_vuid cap for data_direct

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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: Yishai Hadas <yishaih@nvidia.com>
Reviewed-by: Gal Shalom <galshalom@nvidia.com>
Link: https://patch.msgid.link/274c4f6f1ac0b1078243dd296695a49dbe58e7d1.1725907637.git.leonro@nvidia.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
This commit is contained in:
Yishai Hadas 2024-09-09 21:47:33 +03:00 committed by Leon Romanovsky
parent 907936b6f4
commit c77aec65e8
1 changed files with 4 additions and 2 deletions
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6
drivers/infiniband/hw/mlx5/main.c
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@ -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);