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63 lines
2.6 KiB
C
63 lines
2.6 KiB
C
/*
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* Copyright (c) 2015, Intel Corporation
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Intel Corporation nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/** \file
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* \brief Hamster Wheel Literal Matcher: data structures.
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*/
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#ifndef HWLM_INTERNAL_H
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#define HWLM_INTERNAL_H
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#include "hwlm.h"
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#include "ue2common.h"
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#include "nfa/accel.h"
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/** \brief Underlying engine is FDR. */
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#define HWLM_ENGINE_FDR 12
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/** \brief Underlying engine is Noodle. */
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#define HWLM_ENGINE_NOOD 16
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/** \brief Main Hamster Wheel Literal Matcher header. Followed by
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* engine-specific structure. */
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struct HWLM {
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u8 type; /**< HWLM_ENGINE_NOOD or HWLM_ENGINE_FDR */
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hwlm_group_t accel1_groups; /**< accelerable groups. */
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union AccelAux accel1; /**< used if group mask is subset of accel1_groups */
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union AccelAux accel0; /**< fallback accel scheme */
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};
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/** \brief Fetch a const pointer to the underlying engine. */
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#define HWLM_C_DATA(p) ((const void *)((const char *)(p) \
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+ ROUNDUP_CL(sizeof(struct HWLM))))
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/** \brief Fetch a pointer to the underlying engine. */
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#define HWLM_DATA(p) ((void *)((char *)(p) + ROUNDUP_CL(sizeof(struct HWLM))))
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#endif
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