diff options
| author | Max Gurtovoy <maxg@mellanox.com> | 2017-05-28 10:53:11 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2017-06-01 17:19:57 -0400 |
| commit | 6e8484c5cf07c7ee632587e98c1a12d319dacb7c (patch) | |
| tree | a8637da3ff6e73f3610ee7b346f1ccfc0740e89b /drivers/infiniband/hw/mlx5/main.c | |
| parent | 1410a90ae449061b7e1ae19d275148f36948801b (diff) | |
RDMA/mlx5: set UMR wqe fence according to HCA cap
Cache the needed umr_fence and set the wqe ctrl segmennt
accordingly.
Signed-off-by: Max Gurtovoy <maxg@mellanox.com>
Acked-by: Leon Romanovsky <leon@kernel.org>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/mlx5/main.c')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/main.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index d45772da0963..0c79983c8b1a 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -2979,6 +2979,18 @@ error_0: return ret; } +static u8 mlx5_get_umr_fence(u8 umr_fence_cap) +{ + switch (umr_fence_cap) { + case MLX5_CAP_UMR_FENCE_NONE: + return MLX5_FENCE_MODE_NONE; + case MLX5_CAP_UMR_FENCE_SMALL: + return MLX5_FENCE_MODE_INITIATOR_SMALL; + default: + return MLX5_FENCE_MODE_STRONG_ORDERING; + } +} + static int create_dev_resources(struct mlx5_ib_resources *devr) { struct ib_srq_init_attr attr; @@ -3693,6 +3705,8 @@ static void *mlx5_ib_add(struct mlx5_core_dev *mdev) mlx5_ib_internal_fill_odp_caps(dev); + dev->umr_fence = mlx5_get_umr_fence(MLX5_CAP_GEN(mdev, umr_fence)); + if (MLX5_CAP_GEN(mdev, imaicl)) { dev->ib_dev.alloc_mw = mlx5_ib_alloc_mw; dev->ib_dev.dealloc_mw = mlx5_ib_dealloc_mw; |