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authorSagi Grimberg <sagig@mellanox.com>2015-07-30 10:32:42 +0300
committerDoug Ledford <dledford@redhat.com>2015-08-31 01:08:46 +0300
commit679e34d1d050fc67f2ab157ebf8553dddc216c55 (patch)
tree6282150ea086be0942c45bf403a8b1a9e189b1f8 /drivers/infiniband/hw/mlx4/mr.c
parentb3778ba8ded0aafbd820b68be0686ff0c6026eff (diff)
downloadlinux-679e34d1d050fc67f2ab157ebf8553dddc216c55.tar.xz
mlx4: Support ib_alloc_mr verb
Signed-off-by: Sagi Grimberg <sagig@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/mlx4/mr.c')
-rw-r--r--drivers/infiniband/hw/mlx4/mr.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/infiniband/hw/mlx4/mr.c b/drivers/infiniband/hw/mlx4/mr.c
index e0d271782d0a..2542fd3c1a49 100644
--- a/drivers/infiniband/hw/mlx4/mr.c
+++ b/drivers/infiniband/hw/mlx4/mr.c
@@ -350,19 +350,24 @@ int mlx4_ib_dealloc_mw(struct ib_mw *ibmw)
return 0;
}
-struct ib_mr *mlx4_ib_alloc_fast_reg_mr(struct ib_pd *pd,
- int max_page_list_len)
+struct ib_mr *mlx4_ib_alloc_mr(struct ib_pd *pd,
+ enum ib_mr_type mr_type,
+ u32 max_num_sg)
{
struct mlx4_ib_dev *dev = to_mdev(pd->device);
struct mlx4_ib_mr *mr;
int err;
+ if (mr_type != IB_MR_TYPE_MEM_REG ||
+ max_num_sg > MLX4_MAX_FAST_REG_PAGES)
+ return ERR_PTR(-EINVAL);
+
mr = kmalloc(sizeof *mr, GFP_KERNEL);
if (!mr)
return ERR_PTR(-ENOMEM);
err = mlx4_mr_alloc(dev->dev, to_mpd(pd)->pdn, 0, 0, 0,
- max_page_list_len, 0, &mr->mmr);
+ max_num_sg, 0, &mr->mmr);
if (err)
goto err_free;