Lines Matching defs:nr_virtfn
41 static inline void pci_iov_set_numvfs(struct pci_dev *dev, int nr_virtfn)
45 pci_write_config_word(dev, iov->pos + PCI_SRIOV_NUM_VF, nr_virtfn);
60 int nr_virtfn, busnr, rc = 0;
62 for (nr_virtfn = iov->total_VFs; nr_virtfn; nr_virtfn--) {
63 pci_iov_set_numvfs(dev, nr_virtfn);
64 if (!iov->offset || (nr_virtfn > 1 && !iov->stride)) {
69 busnr = pci_iov_virtfn_bus(dev, nr_virtfn - 1);
460 static int sriov_enable(struct pci_dev *dev, int nr_virtfn)
472 if (!nr_virtfn)
483 if (nr_virtfn < 0 || nr_virtfn > iov->total_VFs ||
484 (!(iov->cap & PCI_SRIOV_CAP_VFM) && (nr_virtfn > initial)))
499 bus = pci_iov_virtfn_bus(dev, nr_virtfn - 1);
502 nr_virtfn, bus, &dev->bus->busn_res);
529 if (nr_virtfn < initial)
530 initial = nr_virtfn;
538 pci_iov_set_numvfs(dev, nr_virtfn);
550 iov->num_VFs = nr_virtfn;
924 * @nr_virtfn: number of virtual functions to enable
928 int pci_enable_sriov(struct pci_dev *dev, int nr_virtfn)
935 return sriov_enable(dev, nr_virtfn);
1060 * @nr_virtfn: number of virtual functions to enable, 0 to disable
1066 int pci_sriov_configure_simple(struct pci_dev *dev, int nr_virtfn)
1080 if (nr_virtfn == 0) {
1085 rc = sriov_enable(dev, nr_virtfn);
1089 return nr_virtfn;