Method has_capabilities

pci/src/vfio.rs:915–918

Returns true, if the device claims to have a PCI capability list.

(&self)

    /// Returns true, if the device claims to have a PCI capability list.
    fn has_capabilities(&self) -> bool {
        let status = self.vfio_wrapper.read_config_word(PCI_CONFIG_STATUS_OFFSET);
        status & PCI_CONFIG_STATUS_CAPABILITIES_LIST != 0
    }

    fn get_msix_cap_idx(&self) -> Option<usize> {
        if !self.has_capabilities() {