rtw_debugfs_add_core
rtw_debugfs_add_core(name, S_IFREG | 0222, common_write, debugfs_topdir)
rtw_debugfs_add_core(name, S_IFREG | 0666, single_rw, debugfs_topdir)
rtw_debugfs_add_core(name, S_IFREG | 0444, single_r, debugfs_topdir)