static void ixgbe_get_vfs(struct ixgbe_adapter *adapter)
{
	struct pci_dev *pdev = adapter->pdev;
	u16 vendor = pdev->vendor;
	struct pci_dev *vfdev;
	int vf = 0;
	u16 vf_id;
	int pos;

	pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_SRIOV);
	if (!pos)
		return;
	pci_read_config_word(pdev, pos + PCI_SRIOV_VF_DID, &vf_id);

	vfdev = pci_get_device(vendor, vf_id, NULL);
	for (; vfdev; vfdev = pci_get_device(vendor, vf_id, vfdev)) {
		if (!vfdev->is_virtfn)
			continue;
		if (vfdev->physfn != pdev)
			continue;
		if (vf >= adapter->num_vfs)
			continue;
		pci_dev_get(vfdev);
		adapter->vfinfo[vf].vfdev = vfdev;
		++vf;
	}
}
static void ixgbe_get_vfs(struct ixgbe_adapter *adapter)
{
	struct pci_dev *pdev = adapter->pdev;
	u16 vendor = pdev->vendor;
	struct pci_dev *vfdev;
	int vf = 0;
	u16 vf_id;
	int pos;

	pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_SRIOV);
	if (!pos)
		return;
	pci_read_config_word(pdev, pos + PCI_SRIOV_VF_DID, &vf_id);

	vfdev = pci_get_device(vendor, vf_id, NULL);
	for (; vfdev; vfdev = pci_get_device(vendor, vf_id, vfdev)) {
		if (!vfdev->is_virtfn)
			continue;
		if (vfdev->physfn != pdev)
			continue;
		if (vf >= adapter->num_vfs)
			continue;
		pci_dev_get(vfdev);
		adapter->vfinfo[vf].vfdev = vfdev;
		++vf;
	}
}