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IB/mlx5: Add support for big MRs

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Make use of extended UMR translation offset.

Signed-off-by: Artemy Kovalyov <artemyko@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Artemy Kovalyov
2017-01-02 11:37:43 +02:00
committed by David S. Miller
parent 3161625589
commit c438fde1c2
3 changed files with 11 additions and 3 deletions
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5
drivers/infiniband/hw/mlx5/odp.c
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@@ -121,6 +121,11 @@ void mlx5_ib_internal_fill_odp_caps(struct mlx5_ib_dev *dev)
caps->general_caps = IB_ODP_SUPPORT;
if (MLX5_CAP_GEN(dev->mdev, umr_extended_translation_offset))
dev->odp_max_size = U64_MAX;
else
dev->odp_max_size = BIT_ULL(MLX5_MAX_UMR_SHIFT + PAGE_SHIFT);
if (MLX5_CAP_ODP(dev->mdev, ud_odp_caps.send))
caps->per_transport_caps.ud_odp_caps |= IB_ODP_SUPPORT_SEND;