mlx4: Support ib_alloc_mr verb
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index 05166b7..9ab73a4 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -2294,7 +2294,7 @@
ibdev->ib_dev.reg_user_mr = mlx4_ib_reg_user_mr;
ibdev->ib_dev.rereg_user_mr = mlx4_ib_rereg_user_mr;
ibdev->ib_dev.dereg_mr = mlx4_ib_dereg_mr;
- ibdev->ib_dev.alloc_fast_reg_mr = mlx4_ib_alloc_fast_reg_mr;
+ ibdev->ib_dev.alloc_mr = mlx4_ib_alloc_mr;
ibdev->ib_dev.alloc_fast_reg_page_list = mlx4_ib_alloc_fast_reg_page_list;
ibdev->ib_dev.free_fast_reg_page_list = mlx4_ib_free_fast_reg_page_list;
ibdev->ib_dev.attach_mcast = mlx4_ib_mcg_attach;
diff --git a/drivers/infiniband/hw/mlx4/mlx4_ib.h b/drivers/infiniband/hw/mlx4/mlx4_ib.h
index 334387f..3b85f04 100644
--- a/drivers/infiniband/hw/mlx4/mlx4_ib.h
+++ b/drivers/infiniband/hw/mlx4/mlx4_ib.h
@@ -680,8 +680,9 @@
int mlx4_ib_bind_mw(struct ib_qp *qp, struct ib_mw *mw,
struct ib_mw_bind *mw_bind);
int mlx4_ib_dealloc_mw(struct ib_mw *mw);
-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 ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device *ibdev,
int page_list_len);
void mlx4_ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list);
diff --git a/drivers/infiniband/hw/mlx4/mr.c b/drivers/infiniband/hw/mlx4/mr.c
index e0d2717..2542fd3 100644
--- a/drivers/infiniband/hw/mlx4/mr.c
+++ b/drivers/infiniband/hw/mlx4/mr.c
@@ -350,19 +350,24 @@
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;