linux/drivers/crypto/intel/qat/qat_common/qat_bl.c

// SPDX-License-Identifier: GPL-2.0-only
/* Copyright(c) 2014 - 2022 Intel Corporation */
#include <linux/device.h>
#include <linux/dma-mapping.h>
#include <linux/pci.h>
#include <linux/scatterlist.h>
#include <linux/slab.h>
#include <linux/types.h>
#include "adf_accel_devices.h"
#include "qat_bl.h"
#include "qat_crypto.h"

void qat_bl_free_bufl(struct adf_accel_dev *accel_dev,
		      struct qat_request_buffs *buf)
{ … }

static int __qat_bl_sgl_to_bufl(struct adf_accel_dev *accel_dev,
				struct scatterlist *sgl,
				struct scatterlist *sglout,
				struct qat_request_buffs *buf,
				dma_addr_t extra_dst_buff,
				size_t sz_extra_dst_buff,
				unsigned int sskip,
				unsigned int dskip,
				gfp_t flags)
{ … }

int qat_bl_sgl_to_bufl(struct adf_accel_dev *accel_dev,
		       struct scatterlist *sgl,
		       struct scatterlist *sglout,
		       struct qat_request_buffs *buf,
		       struct qat_sgl_to_bufl_params *params,
		       gfp_t flags)
{ … }

static void qat_bl_sgl_unmap(struct adf_accel_dev *accel_dev,
			     struct qat_alg_buf_list *bl)
{ … }

static int qat_bl_sgl_map(struct adf_accel_dev *accel_dev,
			  struct scatterlist *sgl,
			  struct qat_alg_buf_list **bl)
{ … }

static void qat_bl_sgl_free_unmap(struct adf_accel_dev *accel_dev,
				  struct scatterlist *sgl,
				  struct qat_alg_buf_list *bl,
				  bool free_bl)
{ … }

static int qat_bl_sgl_alloc_map(struct adf_accel_dev *accel_dev,
				struct scatterlist **sgl,
				struct qat_alg_buf_list **bl,
				unsigned int dlen,
				gfp_t gfp)
{ … }

int qat_bl_realloc_map_new_dst(struct adf_accel_dev *accel_dev,
			       struct scatterlist **sg,
			       unsigned int dlen,
			       struct qat_request_buffs *qat_bufs,
			       gfp_t gfp)
{ … }