myrb_exec_type3
status = myrb_exec_type3(cb, MYRB_CMD_FLUSH, 0);
myrb_exec_type3(cb, MYRB_CMD_FLUSH, 0);
status = myrb_exec_type3(cb, MYRB_CMD_GET_LDEV_INFO,
status = myrb_exec_type3(cb, MYRB_CMD_ENQUIRY, cb->enquiry_addr);
status = myrb_exec_type3(cb, MYRB_CMD_ENQUIRY2, enquiry2_addr);
status = myrb_exec_type3(cb, MYRB_CMD_READ_CONFIG2, config2_addr);