hisi_dma_sqe
struct hisi_dma_sqe sqe;
struct hisi_dma_sqe *sq;
memset(chan->sq, 0, sizeof(struct hisi_dma_sqe) * hdma_dev->chan_depth);
struct hisi_dma_sqe *sqe = chan->sq + chan->sq_tail;
memcpy(sqe, &desc->sqe, sizeof(struct hisi_dma_sqe));
size_t sq_size = sizeof(struct hisi_dma_sqe) * hdma_dev->chan_depth;