IB/mlx5: Check BlueFlame HCA support

BlueFlame support is reported only for PFs when the HCA capability is
on.

Fixes: 938fe83c8dcbb ('net/mlx5_core: New device capabilities...')
Signed-off-by: Majd Dibbiny <majd@mellanox.com>
Signed-off-by: Noa Osherovich <noaos@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Doug Ledford <dledford@redhat.com>

diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 05036db..b48ad85 100644 (file)
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -918,7 +918,8 @@ static struct ib_ucontext *mlx5_ib_alloc_ucontext(struct ib_device *ibdev,
        num_uars = req.total_num_uuars / MLX5_NON_FP_BF_REGS_PER_PAGE;
        gross_uuars = num_uars * MLX5_BF_REGS_PER_PAGE;
        resp.qp_tab_size = 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp);
-       resp.bf_reg_size = 1 << MLX5_CAP_GEN(dev->mdev, log_bf_reg_size);
+       if (mlx5_core_is_pf(dev->mdev) && MLX5_CAP_GEN(dev->mdev, bf))
+               resp.bf_reg_size = 1 << MLX5_CAP_GEN(dev->mdev, log_bf_reg_size);
        resp.cache_line_size = L1_CACHE_BYTES;
        resp.max_sq_desc_sz = MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq);
        resp.max_rq_desc_sz = MLX5_CAP_GEN(dev->mdev, max_wqe_sz_rq);