PCI_MSIX_MSGNUM
KASSERT(PCI_MSIX_MSGNUM(msix->msix_ctrl) > index, ("bogus index"));
KASSERT(PCI_MSIX_MSGNUM(msix->msix_ctrl) > index, ("bogus index"));
msgnum = PCI_MSIX_MSGNUM(msix->msix_ctrl);
msgnum = PCI_MSIX_MSGNUM(ctrl);
if (count < 1 || count > PCI_MSIX_MSGNUM(msix->msix_ctrl))
return (PCI_MSIX_MSGNUM(ctrl));
msgnum = PCI_MSIX_MSGNUM(cfg->msix.msix_ctrl);