swh:1:snp:3c665ee4f67729f27f2e40193ab88e7298cf0fef
Tip revision: 64222515138e43da1fcf288f0289ef1020427b87 authored by Linus Torvalds on 22 October 2021, 05:06:08 UTC
Merge tag 'drm-fixes-2021-10-22' of git://anongit.freedesktop.org/drm/drm
Merge tag 'drm-fixes-2021-10-22' of git://anongit.freedesktop.org/drm/drm
Tip revision: 6422251
aegis128-neon.c
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2019 Linaro Ltd <ard.biesheuvel@linaro.org>
*/
#include <asm/cpufeature.h>
#include <asm/neon.h>
#include "aegis.h"
void crypto_aegis128_init_neon(void *state, const void *key, const void *iv);
void crypto_aegis128_update_neon(void *state, const void *msg);
void crypto_aegis128_encrypt_chunk_neon(void *state, void *dst, const void *src,
unsigned int size);
void crypto_aegis128_decrypt_chunk_neon(void *state, void *dst, const void *src,
unsigned int size);
int crypto_aegis128_final_neon(void *state, void *tag_xor,
unsigned int assoclen,
unsigned int cryptlen,
unsigned int authsize);
int aegis128_have_aes_insn __ro_after_init;
bool crypto_aegis128_have_simd(void)
{
if (cpu_have_feature(cpu_feature(AES))) {
aegis128_have_aes_insn = 1;
return true;
}
return IS_ENABLED(CONFIG_ARM64);
}
void crypto_aegis128_init_simd(struct aegis_state *state,
const union aegis_block *key,
const u8 *iv)
{
kernel_neon_begin();
crypto_aegis128_init_neon(state, key, iv);
kernel_neon_end();
}
void crypto_aegis128_update_simd(struct aegis_state *state, const void *msg)
{
kernel_neon_begin();
crypto_aegis128_update_neon(state, msg);
kernel_neon_end();
}
void crypto_aegis128_encrypt_chunk_simd(struct aegis_state *state, u8 *dst,
const u8 *src, unsigned int size)
{
kernel_neon_begin();
crypto_aegis128_encrypt_chunk_neon(state, dst, src, size);
kernel_neon_end();
}
void crypto_aegis128_decrypt_chunk_simd(struct aegis_state *state, u8 *dst,
const u8 *src, unsigned int size)
{
kernel_neon_begin();
crypto_aegis128_decrypt_chunk_neon(state, dst, src, size);
kernel_neon_end();
}
int crypto_aegis128_final_simd(struct aegis_state *state,
union aegis_block *tag_xor,
unsigned int assoclen,
unsigned int cryptlen,
unsigned int authsize)
{
int ret;
kernel_neon_begin();
ret = crypto_aegis128_final_neon(state, tag_xor, assoclen, cryptlen,
authsize);
kernel_neon_end();
return ret;
}