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qat_events.h
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qat_events.h
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/* ====================================================================
*
*
* BSD LICENSE
*
* Copyright(c) 2016-2019 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_events.h
*
* This file provides an interface for async events in engine
*
*****************************************************************************/
#ifndef QAT_EVENTS_H
# define QAT_EVENTS_H
# include <sys/types.h>
# include <unistd.h>
# if OPENSSL_VERSION_NUMBER >= 0x10100000L
# include <openssl/async.h>
# endif
/* This value is defined as one possible return value
* of qat_pause_job() which means paused async job is
* not resumed by async event but some other events
* such as socket events.
* NOTE THAT the unexpected event will be thrown away
* effectively and quietly. The application should be
* aware of this case.
*/
#define QAT_JOB_RESUMED_UNEXPECTEDLY -1
#define QAT_CHK_JOB_RESUMED_UNEXPECTEDLY(x) \
(x == QAT_JOB_RESUMED_UNEXPECTEDLY)
/*
* These #defines ensure backward compatibility with OpenSSL versions 1.1.0
* and 1.1.1 which do not have asynchronous callback mode.
*/
#ifndef SSL_QAT_USE_ASYNC_CALLBACK
# define ASYNC_STATUS_UNSUPPORTED 0
# define ASYNC_STATUS_ERR 1
# define ASYNC_STATUS_OK 2
# define ASYNC_STATUS_EAGAIN 3
#endif
int qat_is_event_driven();
int qat_setup_async_event_notification(int jobStatus);
int qat_clear_async_event_notification();
int qat_pause_job(volatile ASYNC_JOB *job, int jobStatus);
int qat_wake_job(volatile ASYNC_JOB *job, int jobStatus);
#endif /* QAT_EVENTS_H */