Merge tag 'f2fs-for-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeu...
[platform/kernel/linux-starfive.git] / crypto / aegis128-neon.c
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * Copyright (C) 2019 Linaro Ltd <ard.biesheuvel@linaro.org>
4  */
5
6 #include <asm/cpufeature.h>
7 #include <asm/neon.h>
8
9 #include "aegis.h"
10
11 void crypto_aegis128_init_neon(void *state, const void *key, const void *iv);
12 void crypto_aegis128_update_neon(void *state, const void *msg);
13 void crypto_aegis128_encrypt_chunk_neon(void *state, void *dst, const void *src,
14                                         unsigned int size);
15 void crypto_aegis128_decrypt_chunk_neon(void *state, void *dst, const void *src,
16                                         unsigned int size);
17 int crypto_aegis128_final_neon(void *state, void *tag_xor,
18                                unsigned int assoclen,
19                                unsigned int cryptlen,
20                                unsigned int authsize);
21
22 int aegis128_have_aes_insn __ro_after_init;
23
24 bool crypto_aegis128_have_simd(void)
25 {
26         if (cpu_have_feature(cpu_feature(AES))) {
27                 aegis128_have_aes_insn = 1;
28                 return true;
29         }
30         return IS_ENABLED(CONFIG_ARM64);
31 }
32
33 void crypto_aegis128_init_simd(struct aegis_state *state,
34                                const union aegis_block *key,
35                                const u8 *iv)
36 {
37         kernel_neon_begin();
38         crypto_aegis128_init_neon(state, key, iv);
39         kernel_neon_end();
40 }
41
42 void crypto_aegis128_update_simd(struct aegis_state *state, const void *msg)
43 {
44         kernel_neon_begin();
45         crypto_aegis128_update_neon(state, msg);
46         kernel_neon_end();
47 }
48
49 void crypto_aegis128_encrypt_chunk_simd(struct aegis_state *state, u8 *dst,
50                                         const u8 *src, unsigned int size)
51 {
52         kernel_neon_begin();
53         crypto_aegis128_encrypt_chunk_neon(state, dst, src, size);
54         kernel_neon_end();
55 }
56
57 void crypto_aegis128_decrypt_chunk_simd(struct aegis_state *state, u8 *dst,
58                                         const u8 *src, unsigned int size)
59 {
60         kernel_neon_begin();
61         crypto_aegis128_decrypt_chunk_neon(state, dst, src, size);
62         kernel_neon_end();
63 }
64
65 int crypto_aegis128_final_simd(struct aegis_state *state,
66                                union aegis_block *tag_xor,
67                                unsigned int assoclen,
68                                unsigned int cryptlen,
69                                unsigned int authsize)
70 {
71         int ret;
72
73         kernel_neon_begin();
74         ret = crypto_aegis128_final_neon(state, tag_xor, assoclen, cryptlen,
75                                          authsize);
76         kernel_neon_end();
77
78         return ret;
79 }