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diff --git a/src/util-mpm-hs.h b/src/util-mpm-hs.h
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+/* Copyright (C) 2007-2016 Open Information Security Foundation
+ *
+ * You can copy, redistribute or modify this Program under the terms of
+ * the GNU General Public License version 2 as published by the Free
+ * Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+/**
+ * \file
+ *
+ * \author Jim Xu <jim.xu@windriver.com>
+ * \author Justin Viiret <justin.viiret@intel.com>
+ *
+ * MPM pattern matcher that calls the Hyperscan regex matcher.
+ */
+
+#ifndef __UTIL_MPM_HS__H__
+#define __UTIL_MPM_HS__H__
+
+typedef struct SCHSPattern_ {
+    /* length of the pattern */
+    uint16_t len;
+    /* flags describing the pattern */
+    uint8_t flags;
+    /* holds the original pattern that was added */
+    uint8_t *original_pat;
+    /* pattern id */
+    uint32_t id;
+
+    uint16_t offset;
+    uint16_t depth;
+
+    /* sid(s) for this pattern */
+    uint32_t sids_size;
+    SigIntId *sids;
+
+    /* only used at ctx init time, when this structure is part of a hash
+     * table. */
+    struct SCHSPattern_ *next;
+} SCHSPattern;
+
+typedef struct SCHSCtx_ {
+    /* hash used during ctx initialization */
+    SCHSPattern **init_hash;
+
+    /* pattern database and pattern arrays. */
+    void *pattern_db;
+
+    /* size of database, for accounting. */
+    size_t hs_db_size;
+} SCHSCtx;
+
+typedef struct SCHSThreadCtx_ {
+    /* Hyperscan scratch space region for this thread, capable of handling any
+     * database that has been compiled. */
+    void *scratch;
+
+    /* size of scratch space, for accounting. */
+    size_t scratch_size;
+} SCHSThreadCtx;
+
+void MpmHSRegister(void);
+
+void MpmHSGlobalCleanup(void);
+
+#endif /* __UTIL_MPM_HS__H__ */