03963caeb0
This sacrificial copyright header update is offered to the legal department as atonement for any changes made in this driver files in the course of the current year which have not been duly recorded as such. Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
72 lines
1.9 KiB
C
72 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */
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/* \file cc_buffer_mgr.h
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* Buffer Manager
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*/
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#ifndef __CC_BUFFER_MGR_H__
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#define __CC_BUFFER_MGR_H__
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#include <crypto/algapi.h>
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#include "cc_driver.h"
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enum cc_req_dma_buf_type {
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CC_DMA_BUF_NULL = 0,
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CC_DMA_BUF_DLLI,
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CC_DMA_BUF_MLLI
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};
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enum cc_sg_cpy_direct {
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CC_SG_TO_BUF = 0,
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CC_SG_FROM_BUF = 1
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};
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struct cc_mlli {
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cc_sram_addr_t sram_addr;
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unsigned int nents; //sg nents
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unsigned int mlli_nents; //mlli nents might be different than the above
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};
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struct mlli_params {
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struct dma_pool *curr_pool;
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u8 *mlli_virt_addr;
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dma_addr_t mlli_dma_addr;
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u32 mlli_len;
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};
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int cc_buffer_mgr_init(struct cc_drvdata *drvdata);
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int cc_buffer_mgr_fini(struct cc_drvdata *drvdata);
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int cc_map_cipher_request(struct cc_drvdata *drvdata, void *ctx,
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unsigned int ivsize, unsigned int nbytes,
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void *info, struct scatterlist *src,
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struct scatterlist *dst, gfp_t flags);
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void cc_unmap_cipher_request(struct device *dev, void *ctx, unsigned int ivsize,
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struct scatterlist *src, struct scatterlist *dst);
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int cc_map_aead_request(struct cc_drvdata *drvdata, struct aead_request *req);
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void cc_unmap_aead_request(struct device *dev, struct aead_request *req);
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int cc_map_hash_request_final(struct cc_drvdata *drvdata, void *ctx,
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struct scatterlist *src, unsigned int nbytes,
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bool do_update, gfp_t flags);
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int cc_map_hash_request_update(struct cc_drvdata *drvdata, void *ctx,
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struct scatterlist *src, unsigned int nbytes,
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unsigned int block_size, gfp_t flags);
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void cc_unmap_hash_request(struct device *dev, void *ctx,
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struct scatterlist *src, bool do_revert);
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void cc_copy_sg_portion(struct device *dev, u8 *dest, struct scatterlist *sg,
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u32 to_skip, u32 end, enum cc_sg_cpy_direct direct);
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void cc_zero_sgl(struct scatterlist *sgl, u32 data_len);
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#endif /*__BUFFER_MGR_H__*/
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