x86: sanitize pathes arch/x86/kernel/cpu/Makefile
[linux-2.6-block.git] / include / asm-x86_64 / acpi.h
CommitLineData
1da177e4
LT
1/*
2 * asm-x86_64/acpi.h
3 *
4 * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
5 * Copyright (C) 2001 Patrick Mochel <mochel@osdl.org>
6 *
7 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 *
23 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
24 */
25
26#ifndef _ASM_ACPI_H
27#define _ASM_ACPI_H
28
29#ifdef __KERNEL__
30
02df8b93 31#include <acpi/pdc_intel.h>
3484d798 32#include <asm/numa.h>
02df8b93 33
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34#define COMPILER_DEPENDENT_INT64 long long
35#define COMPILER_DEPENDENT_UINT64 unsigned long long
36
37/*
38 * Calling conventions:
39 *
40 * ACPI_SYSTEM_XFACE - Interfaces to host OS (handlers, threads)
f18c5a08 41 * ACPI_EXTERNAL_XFACE - External ACPI interfaces
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42 * ACPI_INTERNAL_XFACE - Internal ACPI interfaces
43 * ACPI_INTERNAL_VAR_XFACE - Internal variable-parameter list interfaces
44 */
45#define ACPI_SYSTEM_XFACE
46#define ACPI_EXTERNAL_XFACE
47#define ACPI_INTERNAL_XFACE
48#define ACPI_INTERNAL_VAR_XFACE
49
50/* Asm macros */
51
52#define ACPI_ASM_MACROS
53#define BREAKPOINT3
54#define ACPI_DISABLE_IRQS() local_irq_disable()
55#define ACPI_ENABLE_IRQS() local_irq_enable()
56#define ACPI_FLUSH_CPU_CACHE() wbinvd()
57
d0a9081b
AM
58int __acpi_acquire_global_lock(unsigned int *lock);
59int __acpi_release_global_lock(unsigned int *lock);
1da177e4 60
ad71860a
AS
61#define ACPI_ACQUIRE_GLOBAL_LOCK(facs, Acq) \
62 ((Acq) = __acpi_acquire_global_lock(&facs->global_lock))
1da177e4 63
ad71860a
AS
64#define ACPI_RELEASE_GLOBAL_LOCK(facs, Acq) \
65 ((Acq) = __acpi_release_global_lock(&facs->global_lock))
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66
67/*
68 * Math helper asm macros
69 */
70#define ACPI_DIV_64_BY_32(n_hi, n_lo, d32, q32, r32) \
71 asm("divl %2;" \
72 :"=a"(q32), "=d"(r32) \
73 :"r"(d32), \
74 "0"(n_lo), "1"(n_hi))
75
76
77#define ACPI_SHIFT_RIGHT_64(n_hi, n_lo) \
78 asm("shrl $1,%2;" \
79 "rcrl $1,%3;" \
80 :"=r"(n_hi), "=r"(n_lo) \
81 :"0"(n_hi), "1"(n_lo))
82
888ba6c6 83#ifdef CONFIG_ACPI
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84extern int acpi_lapic;
85extern int acpi_ioapic;
86extern int acpi_noirq;
87extern int acpi_strict;
88extern int acpi_disabled;
89extern int acpi_pci_disabled;
90extern int acpi_ht;
f18c5a08
AS
91static inline void disable_acpi(void)
92{
93 acpi_disabled = 1;
94 acpi_ht = 0;
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LT
95 acpi_pci_disabled = 1;
96 acpi_noirq = 1;
97}
98
99/* Fixmap pages to reserve for ACPI boot-time tables (see fixmap.h) */
100#define FIX_ACPI_PAGES 4
101
102extern int acpi_gsi_to_irq(u32 gsi, unsigned int *irq);
1da177e4 103static inline void acpi_noirq_set(void) { acpi_noirq = 1; }
f18c5a08 104static inline void acpi_disable_pci(void)
1da177e4 105{
f18c5a08 106 acpi_pci_disabled = 1;
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107 acpi_noirq_set();
108}
109extern int acpi_irq_balance_set(char *str);
6153df7b 110
e8b2fd01
LB
111/* routines for saving/restoring kernel state */
112extern int acpi_save_state_mem(void);
113extern void acpi_restore_state_mem(void);
114
115extern unsigned long acpi_wakeup_address;
116
117/* early initialization routine */
118extern void acpi_reserve_bootmem(void);
119
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LB
120#else /* !CONFIG_ACPI */
121
122#define acpi_lapic 0
123#define acpi_ioapic 0
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124static inline void acpi_noirq_set(void) { }
125static inline void acpi_disable_pci(void) { }
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126
127#endif /* !CONFIG_ACPI */
128
129extern int acpi_numa;
130extern int acpi_scan_nodes(unsigned long start, unsigned long end);
131#define NR_NODE_MEMBLKS (MAX_NUMNODES*2)
1da177e4 132
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133extern int acpi_disabled;
134extern int acpi_pci_disabled;
135
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DSL
136#define ARCH_HAS_POWER_INIT 1
137
1da177e4 138extern int acpi_skip_timer_override;
fa18f477 139extern int acpi_use_timer_override;
1da177e4 140
3484d798
DR
141#ifdef CONFIG_ACPI_NUMA
142extern void __init acpi_fake_nodes(const struct bootnode *fake_nodes,
143 int num_nodes);
144#else
145static inline void acpi_fake_nodes(const struct bootnode *fake_nodes,
146 int num_nodes)
147{
148}
149#endif
150
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151#endif /*__KERNEL__*/
152
153#endif /*_ASM_ACPI_H*/