[PATCH v4 rdma-next 07/10] mlx4_ib: set user mr attributes in struct ib_mr

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Setting iova, length, and page_size allows this information to be
seen via NLDEV netlink queries, which can aid in user rdma debugging.

Signed-off-by: Steve Wise <swise@xxxxxxxxxxxxxxxxxxxxx>
---
 drivers/infiniband/hw/mlx4/mr.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/infiniband/hw/mlx4/mr.c b/drivers/infiniband/hw/mlx4/mr.c
index 4975f3e..17f4f15 100644
--- a/drivers/infiniband/hw/mlx4/mr.c
+++ b/drivers/infiniband/hw/mlx4/mr.c
@@ -407,6 +407,9 @@ struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
 		goto err_mr;
 
 	mr->ibmr.rkey = mr->ibmr.lkey = mr->mmr.key;
+	mr->ibmr.length = length;
+	mr->ibmr.iova = virt_addr;
+	mr->ibmr.page_size = 1U << shift;
 
 	return &mr->ibmr;
 
-- 
1.8.3.1

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