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a4397635 AB |
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_update_neon(void *state, const void *msg); | |
12 | void crypto_aegis128_encrypt_chunk_neon(void *state, void *dst, const void *src, | |
13 | unsigned int size); | |
14 | void crypto_aegis128_decrypt_chunk_neon(void *state, void *dst, const void *src, | |
15 | unsigned int size); | |
16 | ||
19842963 AB |
17 | int aegis128_have_aes_insn __ro_after_init; |
18 | ||
a4397635 AB |
19 | bool crypto_aegis128_have_simd(void) |
20 | { | |
19842963 AB |
21 | if (cpu_have_feature(cpu_feature(AES))) { |
22 | aegis128_have_aes_insn = 1; | |
23 | return true; | |
24 | } | |
25 | return IS_ENABLED(CONFIG_ARM64); | |
a4397635 AB |
26 | } |
27 | ||
28 | void crypto_aegis128_update_simd(union aegis_block *state, const void *msg) | |
29 | { | |
30 | kernel_neon_begin(); | |
31 | crypto_aegis128_update_neon(state, msg); | |
32 | kernel_neon_end(); | |
33 | } | |
34 | ||
35 | void crypto_aegis128_encrypt_chunk_simd(union aegis_block *state, u8 *dst, | |
36 | const u8 *src, unsigned int size) | |
37 | { | |
38 | kernel_neon_begin(); | |
39 | crypto_aegis128_encrypt_chunk_neon(state, dst, src, size); | |
40 | kernel_neon_end(); | |
41 | } | |
42 | ||
43 | void crypto_aegis128_decrypt_chunk_simd(union aegis_block *state, u8 *dst, | |
44 | const u8 *src, unsigned int size) | |
45 | { | |
46 | kernel_neon_begin(); | |
47 | crypto_aegis128_decrypt_chunk_neon(state, dst, src, size); | |
48 | kernel_neon_end(); | |
49 | } |