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-rw-r--r--kernel/hpec/hpec_user.h40
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diff --git a/kernel/hpec/hpec_user.h b/kernel/hpec/hpec_user.h
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+/*
+ * Zapata Telephony Interface to Digium High-Performance Echo Canceller
+ *
+ * Copyright (C) 2006 Digium, Inc.
+ *
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#if !defined(_HPEC_USER_H)
+#define _HPEC_USER_H
+
+struct hpec_challenge {
+ __u8 challenge[16];
+};
+
+struct hpec_license {
+ __u32 numchannels;
+ __u8 userinfo[256];
+ __u8 response[16];
+};
+
+#define ZT_EC_LICENSE_CHALLENGE _IOR(ZT_CODE, 60, struct hpec_challenge)
+#define ZT_EC_LICENSE_RESPONSE _IOW(ZT_CODE, 61, struct hpec_license)
+
+#endif /* !defined(_HPEC_USER_H) */
+