PCI_SRIOV_CTRL
pos += PCI_SRIOV_CTRL;
pci_read_config_word(pdev, pos + PCI_SRIOV_CTRL, &sriov_ctrl);
pci_write_config_word(pdev, pos + PCI_SRIOV_CTRL, sriov_ctrl);
pci_read_config_word(pdev, pos + PCI_SRIOV_CTRL, &sriov_ctrl);
pci_read_config_word(dev, pos + PCI_SRIOV_CTRL, &iov->ctrl);
pci_read_config_word(cdev->pdev, pos + PCI_SRIOV_CTRL, &iov->ctrl);
pci_read_config_word(dev, iov->pos + PCI_SRIOV_CTRL, &cmd);
pci_read_config_word(dev, dev->sriov->pos + PCI_SRIOV_CTRL, &cmd);
pci_write_config_word(dev, iov->pos + PCI_SRIOV_CTRL, iov->ctrl);
pci_write_config_word(dev, iov->pos + PCI_SRIOV_CTRL, iov->ctrl);
pci_write_config_word(dev, iov->pos + PCI_SRIOV_CTRL, iov->ctrl);
pci_read_config_word(dev, pos + PCI_SRIOV_CTRL, &ctrl);
pci_write_config_word(dev, pos + PCI_SRIOV_CTRL, 0);
pci_write_config_word(dev, pos + PCI_SRIOV_CTRL, ctrl);
pci_read_config_word(dev, iov->pos + PCI_SRIOV_CTRL, &ctrl);
pci_write_config_word(dev, iov->pos + PCI_SRIOV_CTRL, ctrl);
pci_write_config_word(dev, iov->pos + PCI_SRIOV_CTRL, iov->ctrl);