1/* SPDX-License-Identifier: GPL-2.0 */
 2/* Copyright (C) 2012-2019 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
 
 
 
 
 
 
 
 
 
 
 
 
16struct 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 *iv;
 
24	struct mlli_params mlli_params;
25};
26
27int cc_cipher_alloc(struct cc_drvdata *drvdata);
28
29int cc_cipher_free(struct cc_drvdata *drvdata);
30
31struct cc_hkey_info {
32	u16 keylen;
33	u8 hw_key1;
34	u8 hw_key2;
35} __packed;
36
37#define CC_HW_KEY_SIZE sizeof(struct cc_hkey_info)
 
 
 
 
 
 
 
38
39#endif /*__CC_CIPHER_H__*/

 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/* Crypto cipher flags */
17#define CC_CRYPTO_CIPHER_KEY_KFDE0	BIT(0)
18#define CC_CRYPTO_CIPHER_KEY_KFDE1	BIT(1)
19#define CC_CRYPTO_CIPHER_KEY_KFDE2	BIT(2)
20#define CC_CRYPTO_CIPHER_KEY_KFDE3	BIT(3)
21#define CC_CRYPTO_CIPHER_DU_SIZE_512B	BIT(4)
22
23#define CC_CRYPTO_CIPHER_KEY_KFDE_MASK (CC_CRYPTO_CIPHER_KEY_KFDE0 | \
24					CC_CRYPTO_CIPHER_KEY_KFDE1 | \
25					CC_CRYPTO_CIPHER_KEY_KFDE2 | \
26					CC_CRYPTO_CIPHER_KEY_KFDE3)
27
28struct cipher_req_ctx {
29	struct async_gen_req_ctx gen_ctx;
30	enum cc_req_dma_buf_type dma_buf_type;
31	u32 in_nents;
32	u32 in_mlli_nents;
33	u32 out_nents;
34	u32 out_mlli_nents;
35	u8 *backup_info; /*store iv for generated IV flow*/
36	u8 *iv;
37	bool is_giv;
38	struct mlli_params mlli_params;
39};
40
41int cc_cipher_alloc(struct cc_drvdata *drvdata);
42
43int cc_cipher_free(struct cc_drvdata *drvdata);
44
45struct arm_hw_key_info {
46	int hw_key1;
47	int hw_key2;
48};
 
49
50/*
51 * This is a stub function that will replaced when we
52 * implement secure keys
53 */
54static inline bool cc_is_hw_key(struct crypto_tfm *tfm)
55{
56	return false;
57}
58
59#endif /*__CC_CIPHER_H__*/