1 /*
2 * Freescale hypervisor ioctl and kernel interface
3 *
4 * Copyright (C) 2008-2011 Freescale Semiconductor, Inc.
5 * Author: Timur Tabi <timur@freescale.com>
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are met:
9 * * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * * Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * * Neither the name of Freescale Semiconductor nor the
15 * names of its contributors may be used to endorse or promote products
16 * derived from this software without specific prior written permission.
17 *
18 *
19 * ALTERNATIVELY, this software may be distributed under the terms of the
20 * GNU General Public License ("GPL") as published by the Free Software
21 * Foundation, either version 2 of that License or (at your option) any
22 * later version.
23 *
24 * This software is provided by Freescale Semiconductor "as is" and any
25 * express or implied warranties, including, but not limited to, the implied
26 * warranties of merchantability and fitness for a particular purpose are
27 * disclaimed. In no event shall Freescale Semiconductor be liable for any
28 * direct, indirect, incidental, special, exemplary, or consequential damages
29 * (including, but not limited to, procurement of substitute goods or services;
30 * loss of use, data, or profits; or business interruption) however caused and
31 * on any theory of liability, whether in contract, strict liability, or tort
32 * (including negligence or otherwise) arising in any way out of the use of this
33 * software, even if advised of the possibility of such damage.
34 *
35 * This file is used by the Freescale hypervisor management driver. It can
36 * also be included by applications that need to communicate with the driver
37 * via the ioctl interface.
38 */
39 #ifndef FSL_HYPERVISOR_H
40 #define FSL_HYPERVISOR_H
41
42 #include <uapi/linux/fsl_hypervisor.h>
43
44
45 /**
46 * fsl_hv_event_register() - register a callback for failover events
47 * @nb: pointer to caller-supplied notifier_block structure
48 *
49 * This function is called by device drivers to register their callback
50 * functions for fail-over events.
51 *
52 * The caller should allocate a notifier_block object and initialize the
53 * 'priority' and 'notifier_call' fields.
54 */
55 int fsl_hv_failover_register(struct notifier_block *nb);
56
57 /**
58 * fsl_hv_event_unregister() - unregister a callback for failover events
59 * @nb: the same 'nb' used in previous fsl_hv_failover_register call
60 */
61 int fsl_hv_failover_unregister(struct notifier_block *nb);
62
63 #endif