diff options
author | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 18:20:36 -0400 |
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committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 18:20:36 -0400 |
commit | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch) | |
tree | 0bba044c4ce775e45a88a51686b5d9f90697ea9d /include/asm-x86_64/acpi.h |
Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
Diffstat (limited to 'include/asm-x86_64/acpi.h')
-rw-r--r-- | include/asm-x86_64/acpi.h | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/include/asm-x86_64/acpi.h b/include/asm-x86_64/acpi.h new file mode 100644 index 000000000000..a6b41b892062 --- /dev/null +++ b/include/asm-x86_64/acpi.h | |||
@@ -0,0 +1,176 @@ | |||
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 | |||
31 | #define COMPILER_DEPENDENT_INT64 long long | ||
32 | #define COMPILER_DEPENDENT_UINT64 unsigned long long | ||
33 | |||
34 | /* | ||
35 | * Calling conventions: | ||
36 | * | ||
37 | * ACPI_SYSTEM_XFACE - Interfaces to host OS (handlers, threads) | ||
38 | * ACPI_EXTERNAL_XFACE - External ACPI interfaces | ||
39 | * ACPI_INTERNAL_XFACE - Internal ACPI interfaces | ||
40 | * ACPI_INTERNAL_VAR_XFACE - Internal variable-parameter list interfaces | ||
41 | */ | ||
42 | #define ACPI_SYSTEM_XFACE | ||
43 | #define ACPI_EXTERNAL_XFACE | ||
44 | #define ACPI_INTERNAL_XFACE | ||
45 | #define ACPI_INTERNAL_VAR_XFACE | ||
46 | |||
47 | /* Asm macros */ | ||
48 | |||
49 | #define ACPI_ASM_MACROS | ||
50 | #define BREAKPOINT3 | ||
51 | #define ACPI_DISABLE_IRQS() local_irq_disable() | ||
52 | #define ACPI_ENABLE_IRQS() local_irq_enable() | ||
53 | #define ACPI_FLUSH_CPU_CACHE() wbinvd() | ||
54 | |||
55 | |||
56 | static inline int | ||
57 | __acpi_acquire_global_lock (unsigned int *lock) | ||
58 | { | ||
59 | unsigned int old, new, val; | ||
60 | do { | ||
61 | old = *lock; | ||
62 | new = (((old & ~0x3) + 2) + ((old >> 1) & 0x1)); | ||
63 | val = cmpxchg(lock, old, new); | ||
64 | } while (unlikely (val != old)); | ||
65 | return (new < 3) ? -1 : 0; | ||
66 | } | ||
67 | |||
68 | static inline int | ||
69 | __acpi_release_global_lock (unsigned int *lock) | ||
70 | { | ||
71 | unsigned int old, new, val; | ||
72 | do { | ||
73 | old = *lock; | ||
74 | new = old & ~0x3; | ||
75 | val = cmpxchg(lock, old, new); | ||
76 | } while (unlikely (val != old)); | ||
77 | return old & 0x1; | ||
78 | } | ||
79 | |||
80 | #define ACPI_ACQUIRE_GLOBAL_LOCK(GLptr, Acq) \ | ||
81 | ((Acq) = __acpi_acquire_global_lock((unsigned int *) GLptr)) | ||
82 | |||
83 | #define ACPI_RELEASE_GLOBAL_LOCK(GLptr, Acq) \ | ||
84 | ((Acq) = __acpi_release_global_lock((unsigned int *) GLptr)) | ||
85 | |||
86 | /* | ||
87 | * Math helper asm macros | ||
88 | */ | ||
89 | #define ACPI_DIV_64_BY_32(n_hi, n_lo, d32, q32, r32) \ | ||
90 | asm("divl %2;" \ | ||
91 | :"=a"(q32), "=d"(r32) \ | ||
92 | :"r"(d32), \ | ||
93 | "0"(n_lo), "1"(n_hi)) | ||
94 | |||
95 | |||
96 | #define ACPI_SHIFT_RIGHT_64(n_hi, n_lo) \ | ||
97 | asm("shrl $1,%2;" \ | ||
98 | "rcrl $1,%3;" \ | ||
99 | :"=r"(n_hi), "=r"(n_lo) \ | ||
100 | :"0"(n_hi), "1"(n_lo)) | ||
101 | |||
102 | /* | ||
103 | * Refer Intel ACPI _PDC support document for bit definitions | ||
104 | */ | ||
105 | #define ACPI_PDC_EST_CAPABILITY_SMP 0xa | ||
106 | #define ACPI_PDC_EST_CAPABILITY_MSR 0x1 | ||
107 | |||
108 | #ifdef CONFIG_ACPI_BOOT | ||
109 | extern int acpi_lapic; | ||
110 | extern int acpi_ioapic; | ||
111 | extern int acpi_noirq; | ||
112 | extern int acpi_strict; | ||
113 | extern int acpi_disabled; | ||
114 | extern int acpi_pci_disabled; | ||
115 | extern int acpi_ht; | ||
116 | static inline void disable_acpi(void) | ||
117 | { | ||
118 | acpi_disabled = 1; | ||
119 | acpi_ht = 0; | ||
120 | acpi_pci_disabled = 1; | ||
121 | acpi_noirq = 1; | ||
122 | } | ||
123 | |||
124 | /* Fixmap pages to reserve for ACPI boot-time tables (see fixmap.h) */ | ||
125 | #define FIX_ACPI_PAGES 4 | ||
126 | |||
127 | extern int acpi_gsi_to_irq(u32 gsi, unsigned int *irq); | ||
128 | |||
129 | #else /* !CONFIG_ACPI_BOOT */ | ||
130 | #define acpi_lapic 0 | ||
131 | #define acpi_ioapic 0 | ||
132 | #endif /* !CONFIG_ACPI_BOOT */ | ||
133 | |||
134 | extern int acpi_numa; | ||
135 | extern int acpi_scan_nodes(unsigned long start, unsigned long end); | ||
136 | #define NR_NODE_MEMBLKS (MAX_NUMNODES*2) | ||
137 | |||
138 | #ifdef CONFIG_ACPI_PCI | ||
139 | static inline void acpi_noirq_set(void) { acpi_noirq = 1; } | ||
140 | static inline void acpi_disable_pci(void) | ||
141 | { | ||
142 | acpi_pci_disabled = 1; | ||
143 | acpi_noirq_set(); | ||
144 | } | ||
145 | extern int acpi_irq_balance_set(char *str); | ||
146 | #else | ||
147 | static inline void acpi_noirq_set(void) { } | ||
148 | static inline void acpi_disable_pci(void) { } | ||
149 | static inline int acpi_irq_balance_set(char *str) { return 0; } | ||
150 | #endif | ||
151 | |||
152 | #ifdef CONFIG_ACPI_SLEEP | ||
153 | |||
154 | /* routines for saving/restoring kernel state */ | ||
155 | extern int acpi_save_state_mem(void); | ||
156 | extern void acpi_restore_state_mem(void); | ||
157 | |||
158 | extern unsigned long acpi_wakeup_address; | ||
159 | |||
160 | /* early initialization routine */ | ||
161 | extern void acpi_reserve_bootmem(void); | ||
162 | |||
163 | #endif /*CONFIG_ACPI_SLEEP*/ | ||
164 | |||
165 | #define boot_cpu_physical_apicid boot_cpu_id | ||
166 | |||
167 | extern int acpi_disabled; | ||
168 | extern int acpi_pci_disabled; | ||
169 | |||
170 | extern u8 x86_acpiid_to_apicid[]; | ||
171 | |||
172 | extern int acpi_skip_timer_override; | ||
173 | |||
174 | #endif /*__KERNEL__*/ | ||
175 | |||
176 | #endif /*_ASM_ACPI_H*/ | ||