iperiod
void qman_portal_get_iperiod(struct qman_portal *portal, u32 *iperiod)
if (portal && iperiod)
*iperiod = qm_in(&portal->p, QM_REG_ITPR);
int qman_portal_set_iperiod(struct qman_portal *portal, u32 iperiod)
if (!portal || iperiod > QMAN_ITP_MAX)
qm_out(&portal->p, QM_REG_ITPR, iperiod);