/* 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__*/