CUDBG_VPD_VER_LEN
char vpd_str[CUDBG_VPD_VER_LEN + 1];
rc = cudbg_read_vpd_reg(padap, CUDBG_VPD_VER_ADDR, CUDBG_VPD_VER_LEN,
vpd_str[CUDBG_VPD_VER_LEN] = '\0';