RDMA/mlx5: Add support to get MR resource in RAW format

Add support to get MR (mkey) resource dump in RAW format.

Link: https://lore.kernel.org/r/20200623113043.1228482-12-leon@kernel.orgSigned-off-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

drivers/infiniband/hw/mlx5/main.c

@@ -6600,6 +6600,7 @@ static const struct ib_device_ops mlx5_ib_dev_ops = {
 	.enable_driver = mlx5_ib_enable_driver,
 	.fill_res_cq_entry_raw = mlx5_ib_fill_res_cq_entry_raw,
 	.fill_res_mr_entry = mlx5_ib_fill_res_mr_entry,
+	.fill_res_mr_entry_raw = mlx5_ib_fill_res_mr_entry_raw,
 	.fill_res_qp_entry_raw = mlx5_ib_fill_res_qp_entry_raw,
 	.fill_stat_mr_entry = mlx5_ib_fill_stat_mr_entry,
 	.get_dev_fw_str = get_dev_fw_str,

drivers/infiniband/hw/mlx5/mlx5_ib.h

@@ -1376,6 +1376,7 @@ struct mlx5_core_dev *mlx5_ib_get_native_port_mdev(struct mlx5_ib_dev *dev,
 void mlx5_ib_put_native_port_mdev(struct mlx5_ib_dev *dev,
 				  u8 port_num);
 int mlx5_ib_fill_res_mr_entry(struct sk_buff *msg, struct ib_mr *ib_mr);
+int mlx5_ib_fill_res_mr_entry_raw(struct sk_buff *msg, struct ib_mr *ib_mr);
 int mlx5_ib_fill_res_qp_entry_raw(struct sk_buff *msg, struct ib_qp *ibqp);
 int mlx5_ib_fill_res_cq_entry_raw(struct sk_buff *msg, struct ib_cq *ibcq);
 int mlx5_ib_fill_stat_mr_entry(struct sk_buff *msg, struct ib_mr *ib_mr);

drivers/infiniband/hw/mlx5/restrack.c

@@ -109,6 +109,14 @@ int mlx5_ib_fill_stat_mr_entry(struct sk_buff *msg,
 	return -EMSGSIZE;
 }
 
+int mlx5_ib_fill_res_mr_entry_raw(struct sk_buff *msg, struct ib_mr *ibmr)
+{
+	struct mlx5_ib_mr *mr = to_mmr(ibmr);
+
+	return fill_res_raw(msg, mr->dev, MLX5_SGMT_TYPE_PRM_QUERY_MKEY,
+			    mlx5_mkey_to_idx(mr->mmkey.key));
+}
+
 int mlx5_ib_fill_res_mr_entry(struct sk_buff *msg,
 			      struct ib_mr *ibmr)
 {