ceph/src/crypto/qat/qat_crypto_plugin.h

   1 /*
   2  * Ceph - scalable distributed file system
   3  *
   4  * Copyright (C) 2017 Intel Corporation
   5  *
   6  * Author: Qiaowei Ren <qiaowei.ren@intel.com>
   7  * Author: Ganesh Mahalingam <ganesh.mahalingam@intel.com>
   8  *
   9  *  This library is free software; you can redistribute it and/or
  10  *  modify it under the terms of the GNU Lesser General Public
  11  *  License as published by the Free Software Foundation; either
  12  *  version 2.1 of the License, or (at your option) any later version.
  13  *
  14  */
  15
  16 #ifndef QAT_CRYPTO_PLUGIN_H
  17 #define QAT_CRYPTO_PLUGIN_H
  18
  19 #include "crypto/crypto_plugin.h"
  20 #include "crypto/qat/qat_crypto_accel.h"
  21
  22
  23 class QccCryptoPlugin : public CryptoPlugin {
  24   static std::mutex qat_init;
  25
  26 public:
  27
  28   explicit QccCryptoPlugin(CephContext* cct) : CryptoPlugin(cct)
  29   {}
  30   ~QccCryptoPlugin()
  31   {}
  32   virtual int factory(CryptoAccelRef *cs,
  33       ostream *ss)
  34   {
  35     std::lock_guard<std::mutex> l(qat_init);
  36     if (cryptoaccel == nullptr)
  37       cryptoaccel = CryptoAccelRef(new QccCryptoAccel);
  38
  39     *cs = cryptoaccel;
  40     return 0;
  41   }
  42 };
  43 #endif