projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 4c3f9727 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 03963cae | 2 | /* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */ |
| 4c3f9727 GBY |
3 | |
| 4 | /* \file cc_buffer_mgr.h | |
| 5 | * Buffer Manager | |
| 6 | */ | |
| 7 | ||
| 8 | #ifndef __CC_BUFFER_MGR_H__ | |
| 9 | #define __CC_BUFFER_MGR_H__ | |
| 10 | ||
| 11 | #include <crypto/algapi.h> | |
| 12 | ||
| 13 | #include "cc_driver.h" | |
| 14 | ||
| 15 | enum cc_req_dma_buf_type { | |
| 16 | CC_DMA_BUF_NULL = 0, | |
| 17 | CC_DMA_BUF_DLLI, | |
| 18 | CC_DMA_BUF_MLLI | |
| 19 | }; | |
| 20 | ||
| 21 | enum cc_sg_cpy_direct { | |
| 22 | CC_SG_TO_BUF = 0, | |
| 23 | CC_SG_FROM_BUF = 1 | |
| 24 | }; | |
| 25 | ||
| 26 | struct cc_mlli { | |
| 27 | cc_sram_addr_t sram_addr; | |
| 28 | unsigned int nents; //sg nents | |
| 29 | unsigned int mlli_nents; //mlli nents might be different than the above | |
| 30 | }; | |
| 31 | ||
| 32 | struct mlli_params { | |
| 33 | struct dma_pool *curr_pool; | |
| 34 | u8 *mlli_virt_addr; | |
| 35 | dma_addr_t mlli_dma_addr; | |
| 36 | u32 mlli_len; | |
| 37 | }; | |
| 38 | ||
| 39 | int cc_buffer_mgr_init(struct cc_drvdata *drvdata); | |
| 40 | ||
| 41 | int cc_buffer_mgr_fini(struct cc_drvdata *drvdata); | |
| 42 | ||
| 63ee04c8 GBY |
43 | int cc_map_cipher_request(struct cc_drvdata *drvdata, void *ctx, |
| 44 | unsigned int ivsize, unsigned int nbytes, | |
| 45 | void *info, struct scatterlist *src, | |
| 46 | struct scatterlist *dst, gfp_t flags); | |
| 47 | ||
| 48 | void cc_unmap_cipher_request(struct device *dev, void *ctx, unsigned int ivsize, | |
| 49 | struct scatterlist *src, struct scatterlist *dst); | |
| 50 | ||
| ff27e85a GBY |
51 | int cc_map_aead_request(struct cc_drvdata *drvdata, struct aead_request *req); |
| 52 | ||
| 53 | void cc_unmap_aead_request(struct device *dev, struct aead_request *req); | |
| 54 | ||
| 4c3f9727 GBY |
55 | int cc_map_hash_request_final(struct cc_drvdata *drvdata, void *ctx, |
| 56 | struct scatterlist *src, unsigned int nbytes, | |
| 57 | bool do_update, gfp_t flags); | |
| 58 | ||
| 59 | int cc_map_hash_request_update(struct cc_drvdata *drvdata, void *ctx, | |
| 60 | struct scatterlist *src, unsigned int nbytes, | |
| 61 | unsigned int block_size, gfp_t flags); | |
| 62 | ||
| 63 | void cc_unmap_hash_request(struct device *dev, void *ctx, | |
| 64 | struct scatterlist *src, bool do_revert); | |
| 65 | ||
| 66 | void cc_copy_sg_portion(struct device *dev, u8 *dest, struct scatterlist *sg, | |
| 67 | u32 to_skip, u32 end, enum cc_sg_cpy_direct direct); | |
| 68 | ||
| 69 | void cc_zero_sgl(struct scatterlist *sgl, u32 data_len); | |
| 70 | ||
| 71 | #endif /*__BUFFER_MGR_H__*/ |