B_DMA_BOUNDARY
if (pnp->get_attr_uint32(node, B_DMA_BOUNDARY,
{ B_DMA_BOUNDARY, B_UINT32_TYPE, { .ui32 = 0xffff }},
{ B_DMA_BOUNDARY, B_UINT32_TYPE, { .ui32 = 0xffff }},
{ B_DMA_BOUNDARY, B_UINT32_TYPE, { .ui32 = (1 << 19) - 1 }},
{ B_DMA_BOUNDARY, B_UINT32_TYPE, { .ui32 = (1 << 19) - 1 }},
{ B_DMA_BOUNDARY, B_UINT32_TYPE, { .ui32 = 0xffff }},
{ B_DMA_BOUNDARY, B_UINT32_TYPE, { .ui32 = dma_boundary/*0xffff*/ }},
B_DMA_BOUNDARY, &value, true) == B_OK)