pci_find_vsec_capability
vsec = pci_find_vsec_capability(pdev, PCI_VENDOR_ID_SYNOPSYS,
vsec = pci_find_vsec_capability(pdev, PCI_VENDOR_ID_XILINX,
vsec = pci_find_vsec_capability(pdev, PCI_VENDOR_ID_XILINX,
offset = pci_find_vsec_capability(pdev, PCI_VENDOR_ID_ALTERA, 0x1172);
voff = pci_find_vsec_capability(pcidev, PCI_VENDOR_ID_INTEL,
EXPORT_SYMBOL_GPL(pci_find_vsec_capability);
vsec = pci_find_vsec_capability(dev, PCI_VENDOR_ID_INTEL, PCI_VSEC_ID_INTEL_TBT);
vsec = pci_find_vsec_capability(pdev, vid->vendor_id,
u16 pci_find_vsec_capability(struct pci_dev *dev, u16 vendor, int cap);