PCI_BASE_ADDRESS_1
addr = pci_bar_start(pci, PCI_BASE_ADDRESS_1);
sz = pci_bar_size(pci, PCI_BASE_ADDRESS_1);
PCI_BASE_ADDRESS_1, &membase);
rtreg_base = pci_bar_start(pdev, PCI_BASE_ADDRESS_1);
rtreg_len = pci_bar_size(pdev, PCI_BASE_ADDRESS_1);