PCI_BIST
ret = pci_read_config_byte(dev, PCI_BIST, &bist);
pci_write_config_byte(dev, PCI_BIST, PCI_BIST_START);
pci_read_config_byte(dev, PCI_BIST, &bist);
rc = pci_write_config_byte(ioa_cfg->pdev, PCI_BIST, PCI_BIST_START);
p_setb(perm, PCI_BIST, NO_VIRT, (u8)ALL_WRITE);
.offset = PCI_BIST,