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IB/mlx5: Add create_cq extended command
In order to create a CQ that supports timestamp, mlx5 needs to support the extended create CQ command with the timestamp flag. Signed-off-by: Matan Barak <matanb@mellanox.com> Reviewed-by: Eli Cohen <eli@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
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@ -757,6 +757,10 @@ static void destroy_cq_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_cq *cq)
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mlx5_db_free(dev->mdev, &cq->db);
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}
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enum {
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CQ_CREATE_FLAGS_SUPPORTED = IB_CQ_FLAGS_TIMESTAMP_COMPLETION
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};
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struct ib_cq *mlx5_ib_create_cq(struct ib_device *ibdev,
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const struct ib_cq_init_attr *attr,
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struct ib_ucontext *context,
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@ -780,6 +784,9 @@ struct ib_cq *mlx5_ib_create_cq(struct ib_device *ibdev,
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if (entries < 0)
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return ERR_PTR(-EINVAL);
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if (attr->flags & ~CQ_CREATE_FLAGS_SUPPORTED)
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return ERR_PTR(-EOPNOTSUPP);
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entries = roundup_pow_of_two(entries + 1);
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if (entries > (1 << MLX5_CAP_GEN(dev->mdev, log_max_cq_sz)))
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return ERR_PTR(-EINVAL);
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