PVSCSI_MAX_SG_ENTRIES_PER_SEGMENT
KASSERT(nseg <= PVSCSI_MAX_SG_ENTRIES_PER_SEGMENT,
cpi->maxio = (PVSCSI_MAX_SG_ENTRIES_PER_SEGMENT / 2) * PAGE_SIZE;
struct pvscsi_sg_element sge[PVSCSI_MAX_SG_ENTRIES_PER_SEGMENT];
PVSCSI_MAX_SG_ENTRIES_PER_SEGMENT * PAGE_SIZE,
PVSCSI_MAX_SG_ENTRIES_PER_SEGMENT, PAGE_SIZE, BUS_DMA_ALLOCNOW,