diff options
| author | Jason Gunthorpe <jgg@nvidia.com> | 2020-10-26 16:19:35 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2020-11-02 21:52:26 +0300 |
| commit | 7db0eea916dcc050811f7a498b4e268d764c6d24 (patch) | |
| tree | df6e01407a6a42c43a47e4cb8b71f78d01060511 /drivers/infiniband/hw/mlx5/devx.c | |
| parent | 95741ee3f0f1f437720626131d866ac8dc66ab14 (diff) | |
| download | linux-7db0eea916dcc050811f7a498b4e268d764c6d24.tar.xz | |
RDMA/mlx5: Remove ncont from mlx5_ib_cont_pages()
This is the same as ib_umem_num_dma_blocks(umem, 1UL << page_shift), have
the callers compute it directly.
Link: https://lore.kernel.org/r/20201026131936.1335664-7-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/devx.c')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/devx.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/infiniband/hw/mlx5/devx.c b/drivers/infiniband/hw/mlx5/devx.c index ebd6e6c4127e..7d99b5b298da 100644 --- a/drivers/infiniband/hw/mlx5/devx.c +++ b/drivers/infiniband/hw/mlx5/devx.c @@ -95,7 +95,6 @@ struct devx_umem { struct ib_umem *umem; u32 page_offset; int page_shift; - int ncont; u32 dinlen; u32 dinbox[MLX5_ST_SZ_DW(general_obj_in_cmd_hdr)]; }; @@ -2083,7 +2082,7 @@ static int devx_umem_get(struct mlx5_ib_dev *dev, struct ib_ucontext *ucontext, mlx5_ib_cont_pages(obj->umem, obj->umem->address, MLX5_MKEY_PAGE_SHIFT_MASK, &npages, - &obj->page_shift, &obj->ncont); + &obj->page_shift); if (!npages) { ib_umem_release(obj->umem); @@ -2100,8 +2099,10 @@ static int devx_umem_reg_cmd_alloc(struct uverbs_attr_bundle *attrs, struct devx_umem *obj, struct devx_umem_reg_cmd *cmd) { - cmd->inlen = MLX5_ST_SZ_BYTES(create_umem_in) + - (MLX5_ST_SZ_BYTES(mtt) * obj->ncont); + cmd->inlen = + MLX5_ST_SZ_BYTES(create_umem_in) + + (MLX5_ST_SZ_BYTES(mtt) * + ib_umem_num_dma_blocks(obj->umem, 1UL << obj->page_shift)); cmd->in = uverbs_zalloc(attrs, cmd->inlen); return PTR_ERR_OR_ZERO(cmd->in); } @@ -2117,7 +2118,8 @@ static void devx_umem_reg_cmd_build(struct mlx5_ib_dev *dev, mtt = (__be64 *)MLX5_ADDR_OF(umem, umem, mtt); MLX5_SET(create_umem_in, cmd->in, opcode, MLX5_CMD_OP_CREATE_UMEM); - MLX5_SET64(umem, umem, num_of_mtt, obj->ncont); + MLX5_SET64(umem, umem, num_of_mtt, + ib_umem_num_dma_blocks(obj->umem, 1UL << obj->page_shift)); MLX5_SET(umem, umem, log_page_size, obj->page_shift - MLX5_ADAPTER_PAGE_SHIFT); MLX5_SET(umem, umem, page_offset, obj->page_offset); |