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 bool is_giv; 26 struct mlli_params mlli_params; 27 }; 28 29 int cc_cipher_alloc(struct cc_drvdata *drvdata); 30 31 int cc_cipher_free(struct cc_drvdata *drvdata); 32 33 struct cc_hkey_info { 34 u16 keylen; 35 u8 hw_key1; 36 u8 hw_key2; 37 } __packed; 38 39 #define CC_HW_KEY_SIZE sizeof(struct cc_hkey_info) 40 41 #endif /*__CC_CIPHER_H__*/ 42