STIC_INT_P_EN
sr->sr_ipdvint = STIC_INT_P_WE | STIC_INT_P_EN;
if ((si->si_hwflags & PXF_QUEUE) != 0 && (state & STIC_INT_P_EN) == 0)
sr->sr_ipdvint = STIC_INT_P_WE | STIC_INT_P_EN;
#define STIC_INT_P_MASK (STIC_INT_P_EN | STIC_INT_P | STIC_INT_P_WE)
#define STIC_INT_CLR (STIC_INT_E_EN | STIC_INT_V_EN | STIC_INT_P_EN)