ceph/src/spdk/intel-ipsec-mb/constants.asm

   1 ;;
   2 ;; Copyright (c) 2012-2018, Intel Corporation
   3 ;;
   4 ;; Redistribution and use in source and binary forms, with or without
   5 ;; modification, are permitted provided that the following conditions are met:
   6 ;;
   7 ;;     * Redistributions of source code must retain the above copyright notice,
   8 ;;       this list of conditions and the following disclaimer.
   9 ;;     * Redistributions in binary form must reproduce the above copyright
  10 ;;       notice, this list of conditions and the following disclaimer in the
  11 ;;       documentation and/or other materials provided with the distribution.
  12 ;;     * Neither the name of Intel Corporation nor the names of its contributors
  13 ;;       may be used to endorse or promote products derived from this software
  14 ;;       without specific prior written permission.
  15 ;;
  16 ;; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  17 ;; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18 ;; IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  19 ;; DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
  20 ;; FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21 ;; DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  22 ;; SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  23 ;; CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  24 ;; OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  25 ;; OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26 ;;
  27
  28 ;;;  Generic constants
  29 %define PTR_SZ                  8
  30
  31 ;;; hash constants
  32
  33 %define MD5_DIGEST_WORD_SIZE    4
  34 %define SHA1_DIGEST_WORD_SIZE   4
  35 %define SHA256_DIGEST_WORD_SIZE 4
  36 %define SHA512_DIGEST_WORD_SIZE 8
  37 ;; AVX512 constants
  38 %define MAX_MD5_LANES           32
  39 %define MAX_SHA1_LANES          16
  40 %define MAX_SHA256_LANES        16
  41 %define MAX_SHA512_LANES        8
  42
  43 %define NUM_MD5_DIGEST_WORDS    4
  44 %define NUM_SHA1_DIGEST_WORDS   5
  45 %define NUM_SHA256_DIGEST_WORDS 8
  46 %define NUM_SHA512_DIGEST_WORDS 8
  47
  48 %define MD5_DIGEST_ROW_SIZE     (MAX_MD5_LANES    * MD5_DIGEST_WORD_SIZE)
  49 %define SHA1_DIGEST_ROW_SIZE    (MAX_SHA1_LANES   * SHA1_DIGEST_WORD_SIZE)
  50 %define SHA256_DIGEST_ROW_SIZE  (MAX_SHA256_LANES * SHA256_DIGEST_WORD_SIZE)
  51 %define SHA512_DIGEST_ROW_SIZE  (MAX_SHA512_LANES * SHA512_DIGEST_WORD_SIZE)
  52
  53 %define MD5_DIGEST_SIZE         (MD5_DIGEST_ROW_SIZE    * NUM_MD5_DIGEST_WORDS)
  54 %define SHA1_DIGEST_SIZE        (SHA1_DIGEST_ROW_SIZE   * NUM_SHA1_DIGEST_WORDS)
  55 %define SHA256_DIGEST_SIZE      (SHA256_DIGEST_ROW_SIZE * NUM_SHA256_DIGEST_WORDS)
  56 %define SHA512_DIGEST_SIZE      (SHA512_DIGEST_ROW_SIZE * NUM_SHA512_DIGEST_WORDS)
  57
  58 ;; Used only by SHA-NI implementations
  59 ;; Sanity checks to fail build if not satisfied
  60 %define SHA1NI_DIGEST_ROW_SIZE   (NUM_SHA1_DIGEST_WORDS * SHA1_DIGEST_WORD_SIZE)
  61 %define SHA256NI_DIGEST_ROW_SIZE (NUM_SHA256_DIGEST_WORDS * SHA256_DIGEST_WORD_SIZE)
  62
  63 %define MD5_BLK_SZ              128  ; in bytes
  64 %define SHA1_BLK_SZ             64   ; in bytes
  65 %define SHA256_BLK_SZ           64   ; in bytes
  66 %define SHA512_BLK_SZ           128  ; in bytes