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qat_fork.h
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qat_fork.h
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/* ====================================================================
*
*
* BSD LICENSE
*
* Copyright(c) 2016-2020 Intel Corporation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*
* ====================================================================
*/
/*****************************************************************************
* @file qat_fork.h
*
* This file provides an interface for forking in engine
*
*****************************************************************************/
#ifndef QAT_FORK_H
# define QAT_FORK_H
# ifndef OPENSSL_MULTIBUFF_OFFLOAD
# include "qat_init.h"
# else
# include "multibuff_init.h"
# endif
/******************************************************************************
* function:
* void engine_init_child_at_fork_handler(void)
*
* description:
* This function is registered, by the call to pthread_atfork(), as
* a function to be invoked in the child process prior to fork() returning.
******************************************************************************/
void engine_init_child_at_fork_handler(void);
/******************************************************************************
* function:
* void engine_finish_before_fork_handler(void)
*
* description:
* This function is registered, by the call to pthread_atfork(), as
* a function to be run (by the parent process) before a fork() function.
******************************************************************************/
void engine_finish_before_fork_handler(void);
/******************************************************************************
* function:
* int qat_set_instance_for_thread(long instanceNum)
*
* @param instanceNum [IN] - logical instance number
*
* description:
* Bind the current thread to a particular logical Cy instance. Note that if
* instanceNum is greater than the number of configured instances, the
* modulus operation is used.
*
******************************************************************************/
int qat_set_instance_for_thread(long instanceNum);
#endif /* QAT_FORK_H */