SCBPointer
outl(virt_to_bus(&txfd), ioaddr + SCBPointer);
outl(virt_to_bus(&(ACCESS(rxfd)status)), ioaddr + SCBPointer);
outl(0, ioaddr + SCBPointer);
outl(virt_to_bus(&lstats), ioaddr + SCBPointer);
outl(virt_to_bus(&(ACCESS(rxfd)status)), ioaddr + SCBPointer);
outl(virt_to_bus(&(ACCESS(rxfd)status)), ioaddr + SCBPointer);
outl(0, ioaddr + SCBPointer);
outl(virt_to_bus(&txfd), ioaddr + SCBPointer);