diff options
| author |   Jason Gunthorpe <jgg@nvidia.com> | 2020-11-30 09:58:38 +0200 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2020-12-07 14:06:23 -0400 |
| commit | 38f8ff5b4438876a7d5b2f8b54eb46c7d5154457 (patch) | |
| tree | 755c66fcf271fe19f560cb809c2ca3bf19056872 /drivers/infiniband/hw/mlx5/odp.c | |
| parent | RDMA/uverbs: Allow drivers to create a new HW object during rereg_mr (diff) | |
| download | linux-38f8ff5b4438876a7d5b2f8b54eb46c7d5154457.tar.xz linux-38f8ff5b4438876a7d5b2f8b54eb46c7d5154457.zip | |
RDMA/mlx5: Reorganize mlx5_ib_reg_user_mr()
This function handles an ODP and regular MR flow all mushed together, even
though the two flows are quite different. Split them into two dedicated
functions.
Link: https://lore.kernel.org/r/20201130075839.278575-5-leon@kernel.org
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/hw/mlx5/odp.c')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/odp.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/infiniband/hw/mlx5/odp.c b/drivers/infiniband/hw/mlx5/odp.c index 5c853ec1b0d8..f4a28a012187 100644 --- a/drivers/infiniband/hw/mlx5/odp.c +++ b/drivers/infiniband/hw/mlx5/odp.c @@ -536,6 +536,10 @@ struct mlx5_ib_mr *mlx5_ib_alloc_implicit_mr(struct mlx5_ib_pd *pd, struct mlx5_ib_mr *imr; int err; + if (!mlx5_ib_can_load_pas_with_umr(dev, + MLX5_IMR_MTT_ENTRIES * PAGE_SIZE)) + return ERR_PTR(-EOPNOTSUPP); + umem_odp = ib_umem_odp_alloc_implicit(&dev->ib_dev, access_flags); if (IS_ERR(umem_odp)) return ERR_CAST(umem_odp); @@ -831,17 +835,13 @@ static int pagefault_mr(struct mlx5_ib_mr *mr, u64 io_virt, size_t bcnt, flags); } -int mlx5_ib_init_odp_mr(struct mlx5_ib_mr *mr, bool enable) +int mlx5_ib_init_odp_mr(struct mlx5_ib_mr *mr) { - u32 flags = MLX5_PF_FLAGS_SNAPSHOT; int ret; - if (enable) - flags |= MLX5_PF_FLAGS_ENABLE; - - ret = pagefault_real_mr(mr, to_ib_umem_odp(mr->umem), - mr->umem->address, mr->umem->length, NULL, - flags); + ret = pagefault_real_mr(mr, to_ib_umem_odp(mr->umem), mr->umem->address, + mr->umem->length, NULL, + MLX5_PF_FLAGS_SNAPSHOT | MLX5_PF_FLAGS_ENABLE); return ret >= 0 ? 0 : ret; } |