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+/*
+ * Freescale hypervisor ioctl and kernel interface
+ *
+ * Copyright (C) 2008-2011 Freescale Semiconductor, Inc.
+ * Author: Timur Tabi <timur@freescale.com>
+ *
+ * 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 Freescale Semiconductor nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * This software is provided by Freescale Semiconductor "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 Freescale Semiconductor 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.
+ *
+ * This file is used by the Freescale hypervisor management driver. It can
+ * also be included by applications that need to communicate with the driver
+ * via the ioctl interface.
+ */
+#ifndef FSL_HYPERVISOR_H
+#define FSL_HYPERVISOR_H
+
+#include <uapi/linux/fsl_hypervisor.h>
+
+
+/**
+ * fsl_hv_event_register() - register a callback for failover events
+ * @nb: pointer to caller-supplied notifier_block structure
+ *
+ * This function is called by device drivers to register their callback
+ * functions for fail-over events.
+ *
+ * The caller should allocate a notifier_block object and initialize the
+ * 'priority' and 'notifier_call' fields.
+ */
+int fsl_hv_failover_register(struct notifier_block *nb);
+
+/**
+ * fsl_hv_event_unregister() - unregister a callback for failover events
+ * @nb: the same 'nb' used in previous fsl_hv_failover_register call
+ */
+int fsl_hv_failover_unregister(struct notifier_block *nb);
+
+#endif