130 	void *xfer, *resp, *ibi_status, *ibi_data;  member
167 		if (rh->xfer)  in hci_dma_cleanup()
170 					  rh->xfer, rh->xfer_dma);  in hci_dma_cleanup()
242 		rh->xfer = dma_alloc_coherent(&hci->master.dev, xfers_sz,  in hci_dma_init()
250 		if (!rh->xfer || !rh->resp || !rh->src_xfers)  in hci_dma_init()
345 	struct hci_xfer *xfer;  in hci_dma_unmap_xfer()  local
349 		xfer = xfer_list + i;  in hci_dma_unmap_xfer()
350 		if (!xfer->data)  in hci_dma_unmap_xfer()
353 				 xfer->data_dma, xfer->data_len,  in hci_dma_unmap_xfer()
354 				 xfer->rnw ? DMA_FROM_DEVICE : DMA_TO_DEVICE);  in hci_dma_unmap_xfer()
374 		struct hci_xfer *xfer = xfer_list + i;  in hci_dma_queue_xfer()  local
375 		u32 *ring_data = rh->xfer + rh->xfer_struct_sz * enqueue_ptr;  in hci_dma_queue_xfer()
378 		*ring_data++ = xfer->cmd_desc[0];  in hci_dma_queue_xfer()
379 		*ring_data++ = xfer->cmd_desc[1];  in hci_dma_queue_xfer()
381 			*ring_data++ = xfer->cmd_desc[2];  in hci_dma_queue_xfer()
382 			*ring_data++ = xfer->cmd_desc[3];  in hci_dma_queue_xfer()
386 		if (!xfer->data)  in hci_dma_queue_xfer()
387 			xfer->data_len = 0;  in hci_dma_queue_xfer()
389 			FIELD_PREP(DATA_BUF_BLOCK_SIZE, xfer->data_len) |  in hci_dma_queue_xfer()
393 		if (xfer->data) {  in hci_dma_queue_xfer()
394 			buf = xfer->bounce_buf ? xfer->bounce_buf : xfer->data;  in hci_dma_queue_xfer()
395 			xfer->data_dma =  in hci_dma_queue_xfer()
398 					       xfer->data_len,  in hci_dma_queue_xfer()
399 					       xfer->rnw ?  in hci_dma_queue_xfer()
403 					      xfer->data_dma)) {  in hci_dma_queue_xfer()
407 			*ring_data++ = lower_32_bits(xfer->data_dma);  in hci_dma_queue_xfer()
408 			*ring_data++ = upper_32_bits(xfer->data_dma);  in hci_dma_queue_xfer()
415 		rh->src_xfers[enqueue_ptr] = xfer;  in hci_dma_queue_xfer()
417 		xfer->ring_number = ring;  in hci_dma_queue_xfer()
418 		xfer->ring_entry = enqueue_ptr;  in hci_dma_queue_xfer()
465 		struct hci_xfer *xfer = xfer_list + i;  in hci_dma_dequeue_xfer()  local
466 		int idx = xfer->ring_entry;  in hci_dma_dequeue_xfer()
474 			u32 *ring_data = rh->xfer + rh->xfer_struct_sz * idx;  in hci_dma_dequeue_xfer()
488 			hci_dma_unmap_xfer(hci, xfer, 1);  in hci_dma_dequeue_xfer()
504 	struct hci_xfer *xfer;  in hci_dma_xfer_done()  local
516 		xfer = rh->src_xfers[done_ptr];  in hci_dma_xfer_done()
517 		if (!xfer) {  in hci_dma_xfer_done()
520 			hci_dma_unmap_xfer(hci, xfer, 1);  in hci_dma_xfer_done()
521 			xfer->ring_entry = -1;  in hci_dma_xfer_done()
522 			xfer->response = resp;  in hci_dma_xfer_done()
523 			if (tid != xfer->cmd_tid) {  in hci_dma_xfer_done()
526 					tid, xfer->cmd_tid);  in hci_dma_xfer_done()
529 			if (xfer->completion)  in hci_dma_xfer_done()
530 				complete(xfer->completion);  in hci_dma_xfer_done()