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| author | Artemy Kovalyov <artemyko@mellanox.com> | 2017-01-02 11:37:43 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-01-02 15:51:20 -0500 |
| commit | c438fde1c288a754aa5d22e3668f03a1dde18335 (patch) | |
| tree | 50a2a9c5595098f5315068505e1e25312f60d345 /drivers/infiniband/hw/mlx5/odp.c | |
| parent | 3161625589c1d7c54e949d462f4d0c327664881a (diff) | |
| download | op-kernel-dev-c438fde1c288a754aa5d22e3668f03a1dde18335.zip op-kernel-dev-c438fde1c288a754aa5d22e3668f03a1dde18335.tar.gz | |
IB/mlx5: Add support for big MRs
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>
Diffstat (limited to 'drivers/infiniband/hw/mlx5/odp.c')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/odp.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/odp.c b/drivers/infiniband/hw/mlx5/odp.c index 67651ec..1e73c12 100644 --- a/drivers/infiniband/hw/mlx5/odp.c +++ b/drivers/infiniband/hw/mlx5/odp.c @@ -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; |
