LXR linux/arch/x86/crypto/sha1-mb/sha1_mb_mgr_init

   1/*
   2 * Initialization code for multi buffer SHA1 algorithm for AVX2
   3 *
   4 * This file is provided under a dual BSD/GPLv2 license.  When using or
   5 * redistributing this file, you may do so under either license.
   6 *
   7 * GPL LICENSE SUMMARY
   8 *
   9 *  Copyright(c) 2014 Intel Corporation.
  10 *
  11 *  This program is free software; you can redistribute it and/or modify
  12 *  it under the terms of version 2 of the GNU General Public License as
  13 *  published by the Free Software Foundation.
  14 *
  15 *  This program is distributed in the hope that it will be useful, but
  16 *  WITHOUT ANY WARRANTY; without even the implied warranty of
  17 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18 *  General Public License for more details.
  19 *
  20 *  Contact Information:
  21 *      Tim Chen <tim.c.chen@linux.intel.com>
  22 *
  23 *  BSD LICENSE
  24 *
  25 *  Copyright(c) 2014 Intel Corporation.
  26 *
  27 *  Redistribution and use in source and binary forms, with or without
  28 *  modification, are permitted provided that the following conditions
  29 *  are met:
  30 *
  31 *    * Redistributions of source code must retain the above copyright
  32 *      notice, this list of conditions and the following disclaimer.
  33 *    * Redistributions in binary form must reproduce the above copyright
  34 *      notice, this list of conditions and the following disclaimer in
  35 *      the documentation and/or other materials provided with the
  36 *      distribution.
  37 *    * Neither the name of Intel Corporation nor the names of its
  38 *      contributors may be used to endorse or promote products derived
  39 *      from this software without specific prior written permission.
  40 *
  41 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  42 *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  43 *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  44 *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  45 *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  46 *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  47 *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  48 *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  49 *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  50 *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  51 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  52 */
  53
  54#include "sha1_mb_mgr.h"
  55
  56void sha1_mb_mgr_init_avx2(struct sha1_mb_mgr *state)
  57{
  58        unsigned int j;
  59        state->unused_lanes = 0xF76543210ULL;
  60        for (j = 0; j < 8; j++) {
  61                state->lens[j] = 0xFFFFFFFF;
  62                state->ldata[j].job_in_lane = NULL;
  63        }
  64}
  65