Merge tag 'hyperv-fixes-signed-20230804' of git://git.kernel.org/pub/scm/linux/kernel...
[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 #include "aegis-neon.h"
11
12 int aegis128_have_aes_insn __ro_after_init;
13
14 bool crypto_aegis128_have_simd(void)
15 {
16         if (cpu_have_feature(cpu_feature(AES))) {
17                 aegis128_have_aes_insn = 1;
18                 return true;
19         }
20         return IS_ENABLED(CONFIG_ARM64);
21 }
22
23 void crypto_aegis128_init_simd(struct aegis_state *state,
24                                const union aegis_block *key,
25                                const u8 *iv)
26 {
27         kernel_neon_begin();
28         crypto_aegis128_init_neon(state, key, iv);
29         kernel_neon_end();
30 }
31
32 void crypto_aegis128_update_simd(struct aegis_state *state, const void *msg)
33 {
34         kernel_neon_begin();
35         crypto_aegis128_update_neon(state, msg);
36         kernel_neon_end();
37 }
38
39 void crypto_aegis128_encrypt_chunk_simd(struct aegis_state *state, u8 *dst,
40                                         const u8 *src, unsigned int size)
41 {
42         kernel_neon_begin();
43         crypto_aegis128_encrypt_chunk_neon(state, dst, src, size);
44         kernel_neon_end();
45 }
46
47 void crypto_aegis128_decrypt_chunk_simd(struct aegis_state *state, u8 *dst,
48                                         const u8 *src, unsigned int size)
49 {
50         kernel_neon_begin();
51         crypto_aegis128_decrypt_chunk_neon(state, dst, src, size);
52         kernel_neon_end();
53 }
54
55 int crypto_aegis128_final_simd(struct aegis_state *state,
56                                union aegis_block *tag_xor,
57                                unsigned int assoclen,
58                                unsigned int cryptlen,
59                                unsigned int authsize)
60 {
61         int ret;
62
63         kernel_neon_begin();
64         ret = crypto_aegis128_final_neon(state, tag_xor, assoclen, cryptlen,
65                                          authsize);
66         kernel_neon_end();
67
68         return ret;
69 }