PCIM_MSIXCTRL_MSIX_ENABLE
#define PCI_MSIX_FLAGS_ENABLE PCIM_MSIXCTRL_MSIX_ENABLE
msix_ctrl |= PCIM_MSIXCTRL_MSIX_ENABLE;
msix->msix_ctrl & ~PCIM_MSIXCTRL_MSIX_ENABLE, 2);
ctrl |= PCIM_MSIXCTRL_MSIX_ENABLE;
msix->msix_ctrl &= ~PCIM_MSIXCTRL_MSIX_ENABLE;
rwmask = PCIM_MSIXCTRL_MSIX_ENABLE | PCIM_MSIXCTRL_FUNCTION_MASK;
pi->pi_msix.enabled = val & PCIM_MSIXCTRL_MSIX_ENABLE;
(ctrl & PCIM_MSIXCTRL_MSIX_ENABLE) ? ", enabled" : "");