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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>
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1 changed files with 2 additions and 1 deletions
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@ -539,7 +539,8 @@ static int mlx5_ib_query_device(struct ib_device *ibdev,
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props->local_ca_ack_delay = MLX5_CAP_GEN(mdev, local_ca_ack_delay);
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props->max_res_rd_atom = props->max_qp_rd_atom * props->max_qp;
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props->max_srq_sge = max_rq_sg - 1;
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props->max_fast_reg_page_list_len = (unsigned int)-1;
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props->max_fast_reg_page_list_len =
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1 << MLX5_CAP_GEN(mdev, log_max_klm_list_size);
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get_atomic_caps(dev, props);
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props->masked_atomic_cap = IB_ATOMIC_NONE;
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props->max_mcast_grp = 1 << MLX5_CAP_GEN(mdev, log_max_mcg);
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