diff options
| author | Sagi Grimberg <sagig@mellanox.com> | 2016-03-03 13:37:51 +0200 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2016-03-04 11:59:34 -0500 |
| commit | 911f4331bc87f4589b9096f4fb24b335d4c2967d (patch) | |
| tree | 09d2f965f09b50e842eeb9b52fe41bb8290e2bea /drivers/infiniband | |
| parent | 0025b0bdeae7c13b8ab1dce64b0108ed9c071e2e (diff) | |
IB/mlx5: Expose correct max_fast_reg_page_list_len
While documentation indicates that the number of translation
entries per memory key is unlimited, in practice, we can
only fit a finite amount of translation entries in a single
registration wqe (which is log_max_klm_list_size).
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/main.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 63c3d21dd471..55fa5889d3b2 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -539,7 +539,8 @@ static int mlx5_ib_query_device(struct ib_device *ibdev, props->local_ca_ack_delay = MLX5_CAP_GEN(mdev, local_ca_ack_delay); props->max_res_rd_atom = props->max_qp_rd_atom * props->max_qp; props->max_srq_sge = max_rq_sg - 1; - props->max_fast_reg_page_list_len = (unsigned int)-1; + props->max_fast_reg_page_list_len = + 1 << MLX5_CAP_GEN(mdev, log_max_klm_list_size); get_atomic_caps(dev, props); props->masked_atomic_cap = IB_ATOMIC_NONE; props->max_mcast_grp = 1 << MLX5_CAP_GEN(mdev, log_max_mcg); |