drivers/crypto/aesni_gcm/aesni_gcm_ops.h

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2016-2017 Intel Corporation. All rights reserved.
   5  *
   6  *   Redistribution and use in source and binary forms, with or without
   7  *   modification, are permitted provided that the following conditions
   8  *   are met:
   9  *
  10  *     * Redistributions of source code must retain the above copyright
  11  *       notice, this list of conditions and the following disclaimer.
  12  *     * Redistributions in binary form must reproduce the above copyright
  13  *       notice, this list of conditions and the following disclaimer in
  14  *       the documentation and/or other materials provided with the
  15  *       distribution.
  16  *     * Neither the name of Intel Corporation nor the names of its
  17  *       contributors may be used to endorse or promote products derived
  18  *       from this software without specific prior written permission.
  19  *
  20  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  21  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  22  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  23  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  24  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  25  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  26  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  30  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 #ifndef _AESNI_GCM_OPS_H_
  34 #define _AESNI_GCM_OPS_H_
  35
  36 #ifndef LINUX
  37 #define LINUX
  38 #endif
  39
  40 #include <gcm_defines.h>
  41 #include <aux_funcs.h>
  42
  43 /** Supported vector modes */
  44 enum aesni_gcm_vector_mode {
  45         RTE_AESNI_GCM_NOT_SUPPORTED = 0,
  46         RTE_AESNI_GCM_SSE,
  47         RTE_AESNI_GCM_AVX,
  48         RTE_AESNI_GCM_AVX2,
  49         RTE_AESNI_GCM_VECTOR_NUM
  50 };
  51
  52 enum aesni_gcm_key {
  53         AESNI_GCM_KEY_128,
  54         AESNI_GCM_KEY_192,
  55         AESNI_GCM_KEY_256,
  56         AESNI_GCM_KEY_NUM
  57 };
  58
  59
  60 typedef void (*aesni_gcm_t)(const struct gcm_key_data *gcm_key_data,
  61                 struct gcm_context_data *gcm_ctx_data, uint8_t *out,
  62                 const uint8_t *in, uint64_t plaintext_len, const uint8_t *iv,
  63                 const uint8_t *aad, uint64_t aad_len,
  64                 uint8_t *auth_tag, uint64_t auth_tag_len);
  65
  66 typedef void (*aesni_gcm_precomp_t)(const void *key, struct gcm_key_data *gcm_data);
  67
  68 typedef void (*aesni_gcm_init_t)(const struct gcm_key_data *gcm_key_data,
  69                 struct gcm_context_data *gcm_ctx_data,
  70                 const uint8_t *iv,
  71                 uint8_t const *aad,
  72                 uint64_t aad_len);
  73
  74 typedef void (*aesni_gcm_update_t)(const struct gcm_key_data *gcm_key_data,
  75                 struct gcm_context_data *gcm_ctx_data,
  76                 uint8_t *out,
  77                 const uint8_t *in,
  78                 uint64_t plaintext_len);
  79
  80 typedef void (*aesni_gcm_finalize_t)(const struct gcm_key_data *gcm_key_data,
  81                 struct gcm_context_data *gcm_ctx_data,
  82                 uint8_t *auth_tag,
  83                 uint64_t auth_tag_len);
  84
  85 /** GCM library function pointer table */
  86 struct aesni_gcm_ops {
  87         aesni_gcm_t enc;        /**< GCM encode function pointer */
  88         aesni_gcm_t dec;        /**< GCM decode function pointer */
  89         aesni_gcm_precomp_t precomp;    /**< GCM pre-compute */
  90         aesni_gcm_init_t init;
  91         aesni_gcm_update_t update_enc;
  92         aesni_gcm_update_t update_dec;
  93         aesni_gcm_finalize_t finalize;
  94 };
  95
  96 #define AES_GCM_FN(keylen, arch) \
  97 aes_gcm_enc_##keylen##_##arch,\
  98 aes_gcm_dec_##keylen##_##arch,\
  99 aes_gcm_pre_##keylen##_##arch,\
 100 aes_gcm_init_##keylen##_##arch,\
 101 aes_gcm_enc_##keylen##_update_##arch,\
 102 aes_gcm_dec_##keylen##_update_##arch,\
 103 aes_gcm_enc_##keylen##_finalize_##arch,
 104
 105 static const struct aesni_gcm_ops gcm_ops[RTE_AESNI_GCM_VECTOR_NUM][AESNI_GCM_KEY_NUM] = {
 106         [RTE_AESNI_GCM_NOT_SUPPORTED] = {
 107                 [AESNI_GCM_KEY_128] = {NULL},
 108                 [AESNI_GCM_KEY_192] = {NULL},
 109                 [AESNI_GCM_KEY_256] = {NULL}
 110         },
 111         [RTE_AESNI_GCM_SSE] = {
 112                 [AESNI_GCM_KEY_128] = {
 113                         AES_GCM_FN(128, sse)
 114                 },
 115                 [AESNI_GCM_KEY_192] = {
 116                         AES_GCM_FN(192, sse)
 117                 },
 118                 [AESNI_GCM_KEY_256] = {
 119                         AES_GCM_FN(256, sse)
 120                 }
 121         },
 122         [RTE_AESNI_GCM_AVX] = {
 123                 [AESNI_GCM_KEY_128] = {
 124                         AES_GCM_FN(128, avx_gen2)
 125                 },
 126                 [AESNI_GCM_KEY_192] = {
 127                         AES_GCM_FN(192, avx_gen2)
 128                 },
 129                 [AESNI_GCM_KEY_256] = {
 130                         AES_GCM_FN(256, avx_gen2)
 131                 }
 132         },
 133         [RTE_AESNI_GCM_AVX2] = {
 134                 [AESNI_GCM_KEY_128] = {
 135                         AES_GCM_FN(128, avx_gen4)
 136                 },
 137                 [AESNI_GCM_KEY_192] = {
 138                         AES_GCM_FN(192, avx_gen4)
 139                 },
 140                 [AESNI_GCM_KEY_256] = {
 141                         AES_GCM_FN(256, avx_gen4)
 142                 }
 143         }
 144 };
 145 #endif /* _AESNI_GCM_OPS_H_ */