linux/drivers/crypto/qce/dma.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (c) 2012-2014, The Linux Foundation. All rights reserved.
 */

#include <linux/dmaengine.h>
#include <crypto/scatterwalk.h>

#include "dma.h"

int qce_dma_request(struct device *dev, struct qce_dma_data *dma)
{ … }

void qce_dma_release(struct qce_dma_data *dma)
{ … }

struct scatterlist *
qce_sgtable_add(struct sg_table *sgt, struct scatterlist *new_sgl,
		unsigned int max_len)
{ … }

static int qce_dma_prep_sg(struct dma_chan *chan, struct scatterlist *sg,
			   int nents, unsigned long flags,
			   enum dma_transfer_direction dir,
			   dma_async_tx_callback cb, void *cb_param)
{ … }

int qce_dma_prep_sgs(struct qce_dma_data *dma, struct scatterlist *rx_sg,
		     int rx_nents, struct scatterlist *tx_sg, int tx_nents,
		     dma_async_tx_callback cb, void *cb_param)
{ … }

void qce_dma_issue_pending(struct qce_dma_data *dma)
{ … }

int qce_dma_terminate_all(struct qce_dma_data *dma)
{ … }