diff options
Diffstat (limited to 'drivers/infiniband/hw/mlx5/main.c')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/main.c | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index b9e195d154b1..675144a20f95 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -436,11 +436,11 @@ static int mlx5_get_vport_access_method(struct ib_device *ibdev) } static void get_atomic_caps(struct mlx5_ib_dev *dev, + u8 atomic_size_qp, struct ib_device_attr *props) { u8 tmp; u8 atomic_operations = MLX5_CAP_ATOMIC(dev->mdev, atomic_operations); - u8 atomic_size_qp = MLX5_CAP_ATOMIC(dev->mdev, atomic_size_qp); u8 atomic_req_8B_endianness_mode = MLX5_CAP_ATOMIC(dev->mdev, atomic_req_8B_endianness_mode); @@ -457,6 +457,29 @@ static void get_atomic_caps(struct mlx5_ib_dev *dev, } } +static void get_atomic_caps_qp(struct mlx5_ib_dev *dev, + struct ib_device_attr *props) +{ + u8 atomic_size_qp = MLX5_CAP_ATOMIC(dev->mdev, atomic_size_qp); + + get_atomic_caps(dev, atomic_size_qp, props); +} + +static void get_atomic_caps_dc(struct mlx5_ib_dev *dev, + struct ib_device_attr *props) +{ + u8 atomic_size_qp = MLX5_CAP_ATOMIC(dev->mdev, atomic_size_dc); + + get_atomic_caps(dev, atomic_size_qp, props); +} + +bool mlx5_ib_dc_atomic_is_supported(struct mlx5_ib_dev *dev) +{ + struct ib_device_attr props = {}; + + get_atomic_caps_dc(dev, &props); + return (props.atomic_cap == IB_ATOMIC_HCA) ? true : false; +} static int mlx5_query_system_image_guid(struct ib_device *ibdev, __be64 *sys_image_guid) { @@ -745,7 +768,7 @@ static int mlx5_ib_query_device(struct ib_device *ibdev, props->max_srq_sge = max_rq_sg - 1; props->max_fast_reg_page_list_len = 1 << MLX5_CAP_GEN(mdev, log_max_klm_list_size); - get_atomic_caps(dev, props); + get_atomic_caps_qp(dev, props); props->masked_atomic_cap = IB_ATOMIC_NONE; props->max_mcast_grp = 1 << MLX5_CAP_GEN(mdev, log_max_mcg); props->max_mcast_qp_attach = MLX5_CAP_GEN(mdev, max_qp_mcg); |