Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | /* Copyright (C) 2012-2018 ARM Limited or its affiliates. */ |
| 3 | |
| 4 | /* \file cc_cipher.h |
| 5 | * ARM CryptoCell Cipher Crypto API |
| 6 | */ |
| 7 | |
| 8 | #ifndef __CC_CIPHER_H__ |
| 9 | #define __CC_CIPHER_H__ |
| 10 | |
| 11 | #include <linux/kernel.h> |
| 12 | #include <crypto/algapi.h> |
| 13 | #include "cc_driver.h" |
| 14 | #include "cc_buffer_mgr.h" |
| 15 | |
| 16 | struct cipher_req_ctx { |
| 17 | struct async_gen_req_ctx gen_ctx; |
| 18 | enum cc_req_dma_buf_type dma_buf_type; |
| 19 | u32 in_nents; |
| 20 | u32 in_mlli_nents; |
| 21 | u32 out_nents; |
| 22 | u32 out_mlli_nents; |
| 23 | u8 *backup_info; /*store iv for generated IV flow*/ |
| 24 | u8 *iv; |
| 25 | struct mlli_params mlli_params; |
| 26 | }; |
| 27 | |
| 28 | int cc_cipher_alloc(struct cc_drvdata *drvdata); |
| 29 | |
| 30 | int cc_cipher_free(struct cc_drvdata *drvdata); |
| 31 | |
| 32 | struct cc_hkey_info { |
| 33 | u16 keylen; |
| 34 | u8 hw_key1; |
| 35 | u8 hw_key2; |
| 36 | } __packed; |
| 37 | |
| 38 | #define CC_HW_KEY_SIZE sizeof(struct cc_hkey_info) |
| 39 | |
| 40 | #endif /*__CC_CIPHER_H__*/ |