PCI_MSI_CTL_PERVEC_MASK
if (msictl & PCI_MSI_CTL_PERVEC_MASK) {
pvmask = pcs->msi_ctl & PCI_MSI_CTL_PERVEC_MASK;
pvmask = pcs->msi_ctl & PCI_MSI_CTL_PERVEC_MASK;
onoff("Per-Vector Masking Capable", ctl, PCI_MSI_CTL_PERVEC_MASK);
if (ctl & PCI_MSI_CTL_PERVEC_MASK) {