IOAT_CHUNK_SIZE
chunks = (total_descs * IOAT_DESC_SZ) / IOAT_CHUNK_SIZE;
IOAT_CHUNK_SIZE, &descs->hw, flags);
IOAT_CHUNK_SIZE,
IOAT_CHUNK_SIZE,
#define IOAT_DESCS_PER_CHUNK (IOAT_CHUNK_SIZE / IOAT_DESC_SZ)
dma_free_coherent(to_dev(ioat_chan), IOAT_CHUNK_SIZE,