SIS_BASE_STRUCT_ALIGNMENT
PQI_ERROR_BUFFER_ELEMENT_LENGTH) + SIS_BASE_STRUCT_ALIGNMENT);
o = pqi_alloc_single(s, sizeof (*base) + SIS_BASE_STRUCT_ALIGNMENT);
base = PQIALIGN_TYPED(o->alloc_memory, SIS_BASE_STRUCT_ALIGNMENT,
dma_addr = PQIALIGN_TYPED(o->dma_addr, SIS_BASE_STRUCT_ALIGNMENT,