ceph/src/compressor/QatAccel.h

   1 /*
   2  * Ceph - scalable distributed file system
   3  *
   4  * Copyright (C) 2018 Intel Corporation
   5  *
   6  * Author: Qiaowei Ren <qiaowei.ren@intel.com>
   7  *
   8  * This is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License version 2.1, as published by the Free Software
  11  * Foundation.  See file COPYING.
  12  *
  13  */
  14
  15 #ifndef CEPH_QATACCEL_H
  16 #define CEPH_QATACCEL_H
  17
  18 #include <qatzip.h>
  19 #include <boost/optional.hpp>
  20 #include "include/buffer.h"
  21
  22 class QatAccel {
  23   QzSession_T session;
  24
  25  public:
  26   QatAccel() : session({0}) {}
  27   ~QatAccel();
  28
  29   bool init(const std::string &alg);
  30
  31   int compress(const bufferlist &in, bufferlist &out, boost::optional<int32_t> &compressor_message);
  32   int decompress(const bufferlist &in, bufferlist &out, boost::optional<int32_t> compressor_message);
  33   int decompress(bufferlist::const_iterator &p, size_t compressed_len, bufferlist &dst, boost::optional<int32_t> compressor_message);
  34 };
  35
  36 #endif