/* SPDX-License-Identifier: GPL-2.0 *//* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */ /* \file cc_buffer_mgr.h * Buffer Manager */ #ifndef __CC_BUFFER_MGR_H__#define __CC_BUFFER_MGR_H__ #include <crypto/algapi.h> #include "cc_driver.h" enum cc_req_dma_buf_type {	CC_DMA_BUF_NULL = 0,	CC_DMA_BUF_DLLI,	CC_DMA_BUF_MLLI}; enum cc_sg_cpy_direct {	CC_SG_TO_BUF = 0,	CC_SG_FROM_BUF = 1}; struct cc_mlli {	u32 sram_addr;	unsigned int mapped_nents;	unsigned int nents; //sg nents	unsigned int mlli_nents; //mlli nents might be different than the above}; struct mlli_params {	struct dma_pool *curr_pool;	void *mlli_virt_addr;	dma_addr_t mlli_dma_addr;	u32 mlli_len;}; int cc_buffer_mgr_init(struct cc_drvdata *drvdata); int cc_buffer_mgr_fini(struct cc_drvdata *drvdata); int cc_map_cipher_request(struct cc_drvdata *drvdata, void *ctx,			  unsigned int ivsize, unsigned int nbytes,			  void *info, struct scatterlist *src,			  struct scatterlist *dst, gfp_t flags); void cc_unmap_cipher_request(struct device *dev, void *ctx, unsigned int ivsize,			     struct scatterlist *src, struct scatterlist *dst); int cc_map_aead_request(struct cc_drvdata *drvdata, struct aead_request *req); void cc_unmap_aead_request(struct device *dev, struct aead_request *req); int cc_map_hash_request_final(struct cc_drvdata *drvdata, void *ctx,			      struct scatterlist *src, unsigned int nbytes,			      bool do_update, gfp_t flags); int cc_map_hash_request_update(struct cc_drvdata *drvdata, void *ctx,			       struct scatterlist *src, unsigned int nbytes,			       unsigned int block_size, gfp_t flags); void cc_unmap_hash_request(struct device *dev, void *ctx,			   struct scatterlist *src, bool do_revert); void cc_copy_sg_portion(struct device *dev, u8 *dest, struct scatterlist *sg,			u32 to_skip, u32 end, enum cc_sg_cpy_direct direct); #endif /*__BUFFER_MGR_H__*/