HSP_INT_EMPTY_SHIFT
mask = (status >> HSP_INT_EMPTY_SHIFT) & HSP_INT_EMPTY_MASK;
hsp->mask &= ~BIT(HSP_INT_EMPTY_SHIFT + mb->index);
hsp->mask |= BIT(HSP_INT_EMPTY_SHIFT + mb->index);
hsp->mask &= ~BIT(HSP_INT_EMPTY_SHIFT + mb->index);
hsp->mask &= ~BIT(HSP_INT_EMPTY_SHIFT + mb->index);