https://github.com/torvalds/linux
- HEAD
- refs/heads/arm64-uaccess
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/certifi-2024.7.4
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/idna-3.7
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/requests-2.32.2
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/setuptools-70.0.0
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/urllib3-2.2.2
- refs/heads/master
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Tip revision: d45331b00ddb179e291766617259261c112db872 authored by Linus Torvalds on 11 August 2019, 20:26:41 UTC
Linux 5.3-rc4
Linux 5.3-rc4
Tip revision: d45331b
cc_buffer_mgr.h
/* 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 {
cc_sram_addr_t sram_addr;
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;
u8 *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);
void cc_zero_sgl(struct scatterlist *sgl, u32 data_len);
#endif /*__BUFFER_MGR_H__*/