hinic3_alloc_db_addr
err = hinic3_alloc_db_addr(hwdev, &db_base, NULL);
int hinic3_alloc_db_addr(struct hinic3_hwdev *hwdev, void __iomem **db_base,
err = hinic3_alloc_db_addr(hwdev, &db_base, NULL);
err = hinic3_alloc_db_addr(hwdev, &db_base, NULL);