PCIR_MSIX_CTRL
pci_write_config(dev, msix->msix_location + PCIR_MSIX_CTRL,
pci_write_config(dev, msix->msix_location + PCIR_MSIX_CTRL,
pci_write_config(dev, msix->msix_location + PCIR_MSIX_CTRL,
msix->msix_ctrl = REG(ptr + PCIR_MSIX_CTRL, 2);
ctrl = read_config(fd, &p->pc_sel, ptr + PCIR_MSIX_CTRL, 2);