LXR linux/arch/x86/crypto/morus1280-avx2-glue.c

   1/*
   2 * The MORUS-1280 Authenticated-Encryption Algorithm
   3 *   Glue for AVX2 implementation
   4 *
   5 * Copyright (c) 2016-2018 Ondrej Mosnacek <omosnacek@gmail.com>
   6 * Copyright (C) 2017-2018 Red Hat, Inc. All rights reserved.
   7 *
   8 * This program is free software; you can redistribute it and/or modify it
   9 * under the terms of the GNU General Public License as published by the Free
  10 * Software Foundation; either version 2 of the License, or (at your option)
  11 * any later version.
  12 */
  13
  14#include <crypto/internal/aead.h>
  15#include <crypto/morus1280_glue.h>
  16#include <linux/module.h>
  17#include <asm/fpu/api.h>
  18#include <asm/cpu_device_id.h>
  19
  20asmlinkage void crypto_morus1280_avx2_init(void *state, const void *key,
  21                                           const void *iv);
  22asmlinkage void crypto_morus1280_avx2_ad(void *state, const void *data,
  23                                         unsigned int length);
  24
  25asmlinkage void crypto_morus1280_avx2_enc(void *state, const void *src,
  26                                          void *dst, unsigned int length);
  27asmlinkage void crypto_morus1280_avx2_dec(void *state, const void *src,
  28                                          void *dst, unsigned int length);
  29
  30asmlinkage void crypto_morus1280_avx2_enc_tail(void *state, const void *src,
  31                                               void *dst, unsigned int length);
  32asmlinkage void crypto_morus1280_avx2_dec_tail(void *state, const void *src,
  33                                               void *dst, unsigned int length);
  34
  35asmlinkage void crypto_morus1280_avx2_final(void *state, void *tag_xor,
  36                                            u64 assoclen, u64 cryptlen);
  37
  38MORUS1280_DECLARE_ALGS(avx2, "morus1280-avx2", 400);
  39
  40static int __init crypto_morus1280_avx2_module_init(void)
  41{
  42        if (!boot_cpu_has(X86_FEATURE_AVX2) ||
  43            !boot_cpu_has(X86_FEATURE_OSXSAVE) ||
  44            !cpu_has_xfeatures(XFEATURE_MASK_SSE | XFEATURE_MASK_YMM, NULL))
  45                return -ENODEV;
  46
  47        return crypto_register_aeads(crypto_morus1280_avx2_algs,
  48                                     ARRAY_SIZE(crypto_morus1280_avx2_algs));
  49}
  50
  51static void __exit crypto_morus1280_avx2_module_exit(void)
  52{
  53        crypto_unregister_aeads(crypto_morus1280_avx2_algs,
  54                                ARRAY_SIZE(crypto_morus1280_avx2_algs));
  55}
  56
  57module_init(crypto_morus1280_avx2_module_init);
  58module_exit(crypto_morus1280_avx2_module_exit);
  59
  60MODULE_LICENSE("GPL");
  61MODULE_AUTHOR("Ondrej Mosnacek <omosnacek@gmail.com>");
  62MODULE_DESCRIPTION("MORUS-1280 AEAD algorithm -- AVX2 implementation");
  63MODULE_ALIAS_CRYPTO("morus1280");
  64MODULE_ALIAS_CRYPTO("morus1280-avx2");
  65