MVS_IRQ_SAS_B
tmp |= (MVS_IRQ_SAS_A | MVS_IRQ_SAS_B);
tmp &= ~(MVS_IRQ_SAS_A | MVS_IRQ_SAS_B);
if (!(stat & (MVS_IRQ_SAS_A | MVS_IRQ_SAS_B)))
((stat & MVS_IRQ_SAS_B) && mvi->id == 1)) {