mlx5_core: Store MR attributes in mlx5_mr_core during creation and after UMR

The patch stores iova, pd and size during mr creation and after UMRs
that modify them.  It removes the unused access flags field.

Signed-off-by: Haggai Eran <haggaie@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index 9d932a2aa9f4..f472ab246d94 100644
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -794,6 +794,10 @@ static struct mlx5_ib_mr *reg_umr(struct ib_pd *pd, struct ib_umem *umem,
                 err = -EFAULT;
         }
 
+        mr->mmr.iova = virt_addr;
+        mr->mmr.size = len;
+        mr->mmr.pd = to_mpd(pd)->pdn;
+
 unmap_dma:
         up(&umrc->sem);
         dma_unmap_single(ddev, mr->dma, size, DMA_TO_DEVICE);