1/*
2 * Copyright (c) 2015, Intel Corporation
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *
7 * * Redistributions of source code must retain the above copyright notice,
8 * this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of Intel Corporation nor the names of its contributors
13 * may be used to endorse or promote products derived from this software
14 * without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#ifndef SMALLWRITE_INTERNAL_H
30#define SMALLWRITE_INTERNAL_H
31
32#include "ue2common.h"
33
34// Runtime structure header for SmallWrite.
35struct ALIGN_CL_DIRECTIVE SmallWriteEngine {
36 u32 largestBuffer; /**< largest buffer that can be considered small write */
37 u32 start_offset; /**< where to start scanning in the buffer. */
38 u32 size; /**< size of the small write engine in bytes (including the nfa) */
39};
40
41struct NFA;
42
43static really_inline
44const struct NFA *getSmwrNfa(const struct SmallWriteEngine *smwr) {
45 assert(smwr);
46 const struct NFA *n
47 = (const struct NFA *)((const char *)smwr + sizeof(*smwr));
48 assert(ISALIGNED_CL(n));
49 return n;
50}
51
52#endif // SMALLWRITE_INTERNAL_H
53
54