| /* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */ |
| /* |
| * Copyright (c) 2019 Amlogic, Inc. All rights reserved. |
| */ |
| |
| #ifndef _AML_CRYPTO_H_ |
| #define _AML_CRYPTO_H_ |
| |
| #include <linux/types.h> |
| |
| #ifndef __KERNEL__ |
| #define __user |
| #endif |
| |
| #define CRYPTO_OP_ENCRYPT 0 |
| #define CRYPTO_OP_DECRYPT 1 |
| |
| #define MAX_CRYPTO_BUFFERS (32) |
| |
| struct session_op { |
| __u32 cipher; /* aml_crypto_op_t */ |
| __u16 keylen; |
| __u16 kte; /* key table entry */ |
| __u32 ses; /* session identifier */ |
| }; |
| |
| struct crypt_mem { |
| __u32 length; |
| __u8 __user *addr; |
| }; |
| |
| struct crypt_op { |
| __u32 ses; /* session identifier */ |
| __u8 op; /* OP_ENCRYPT or OP_DECRYPT */ |
| __u8 src_phys; /* set if src is in physical addr */ |
| __u8 dst_phys; /* set if dst is in physical addr */ |
| __u8 ivlen; /* length of IV */ |
| __u8 __user *iv; /* Notice: iv returned from physical is invalid */ |
| __u8 __user *param; /* extra parameters for algorithm */ |
| __u16 param_len; |
| __u8 num_src_bufs; |
| __u8 num_dst_bufs; |
| __u32 reserved; |
| struct crypt_mem src[MAX_CRYPTO_BUFFERS]; /* source data */ |
| struct crypt_mem dst[MAX_CRYPTO_BUFFERS]; /* output data */ |
| }; |
| |
| enum aml_crypto_op_t { |
| CRYPTO_OP_INVALID = 0, |
| CRYPTO_OP_DES_ECB = 1, |
| CRYPTO_OP_DES_CBC = 2, |
| CRYPTO_OP_TDES_ECB = 3, |
| CRYPTO_OP_TDES_CBC = 4, |
| CRYPTO_OP_AES_ECB = 5, |
| CRYPTO_OP_AES_CBC = 6, |
| CRYPTO_OP_AES_CTR = 7, |
| CRYPTO_OP_S17_ECB = 8, |
| CRYPTO_OP_S17_CBC = 9, |
| CRYPTO_OP_S17_CTR = 10, |
| CRYPTO_OP_MAX |
| }; |
| |
| #define CREATE_SESSION _IOWR('a', 0, struct session_op) |
| #define CLOSE_SESSION _IOW('a', 1, __u32) |
| #define DO_CRYPTO _IOWR('a', 2, struct crypt_op) |
| |
| #endif |