xref: /openbmc/linux/drivers/crypto/ccree/cc_cipher.h (revision 93f5715e)
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__*/
41