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1/******************************************************************************
2 * acpi.h
3 * acpi file for domain 0 kernel
4 *
5 * Copyright (c) 2011 Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
6 * Copyright (c) 2011 Yu Ke <ke.yu@intel.com>
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License version 2
10 * as published by the Free Software Foundation; or, when distributed
11 * separately from the Linux kernel or incorporated into other
12 * software packages, subject to the following license:
13 *
14 * Permission is hereby granted, free of charge, to any person obtaining a copy
15 * of this source file (the "Software"), to deal in the Software without
16 * restriction, including without limitation the rights to use, copy, modify,
17 * merge, publish, distribute, sublicense, and/or sell copies of the Software,
18 * and to permit persons to whom the Software is furnished to do so, subject to
19 * the following conditions:
20 *
21 * The above copyright notice and this permission notice shall be included in
22 * all copies or substantial portions of the Software.
23 *
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
25 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
26 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
27 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
28 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
29 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
30 * IN THE SOFTWARE.
31 */
32
33#ifndef _XEN_ACPI_H
34#define _XEN_ACPI_H
35
36#include <linux/types.h>
37
38#ifdef CONFIG_XEN_DOM0
39#include <asm/xen/hypervisor.h>
40#include <xen/xen.h>
41#include <linux/acpi.h>
42
43int xen_acpi_notify_hypervisor_state(u8 sleep_state,
44 u32 pm1a_cnt, u32 pm1b_cnd);
45
46static inline void xen_acpi_sleep_register(void)
47{
48 if (xen_initial_domain())
49 acpi_os_set_prepare_sleep(
50 &xen_acpi_notify_hypervisor_state);
51}
52#else
53static inline void xen_acpi_sleep_register(void)
54{
55}
56#endif
57
58#endif /* _XEN_ACPI_H */