fsl_hypervisor.h 2.76 KB
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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

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#include <uapi/linux/fsl_hypervisor.h>
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/**
 * 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