Commit | Line | Data |
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1da177e4 | 1 | /* |
1da177e4 LT |
2 | * Copyright (C) 1999 VA Linux Systems |
3 | * Copyright (C) 1999 Walt Drummond <drummond@valinux.com> | |
4 | * Copyright (C) 2000,2001 J.I. Lee <jung-ik.lee@intel.com> | |
5 | * Copyright (C) 2001,2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> | |
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 | ||
35729449 VP |
31 | #include <acpi/pdc_intel.h> |
32 | ||
1da177e4 LT |
33 | #include <linux/init.h> |
34 | #include <linux/numa.h> | |
35 | #include <asm/system.h> | |
2c6e6db4 | 36 | #include <asm/numa.h> |
1da177e4 LT |
37 | |
38 | #define COMPILER_DEPENDENT_INT64 long | |
39 | #define COMPILER_DEPENDENT_UINT64 unsigned long | |
40 | ||
41 | /* | |
42 | * Calling conventions: | |
43 | * | |
44 | * ACPI_SYSTEM_XFACE - Interfaces to host OS (handlers, threads) | |
45 | * ACPI_EXTERNAL_XFACE - External ACPI interfaces | |
46 | * ACPI_INTERNAL_XFACE - Internal ACPI interfaces | |
47 | * ACPI_INTERNAL_VAR_XFACE - Internal variable-parameter list interfaces | |
48 | */ | |
49 | #define ACPI_SYSTEM_XFACE | |
50 | #define ACPI_EXTERNAL_XFACE | |
51 | #define ACPI_INTERNAL_XFACE | |
52 | #define ACPI_INTERNAL_VAR_XFACE | |
53 | ||
54 | /* Asm macros */ | |
55 | ||
56 | #define ACPI_ASM_MACROS | |
57 | #define BREAKPOINT3 | |
58 | #define ACPI_DISABLE_IRQS() local_irq_disable() | |
59 | #define ACPI_ENABLE_IRQS() local_irq_enable() | |
60 | #define ACPI_FLUSH_CPU_CACHE() | |
61 | ||
62 | static inline int | |
63 | ia64_acpi_acquire_global_lock (unsigned int *lock) | |
64 | { | |
65 | unsigned int old, new, val; | |
66 | do { | |
67 | old = *lock; | |
68 | new = (((old & ~0x3) + 2) + ((old >> 1) & 0x1)); | |
69 | val = ia64_cmpxchg4_acq(lock, new, old); | |
70 | } while (unlikely (val != old)); | |
71 | return (new < 3) ? -1 : 0; | |
72 | } | |
73 | ||
74 | static inline int | |
75 | ia64_acpi_release_global_lock (unsigned int *lock) | |
76 | { | |
77 | unsigned int old, new, val; | |
78 | do { | |
79 | old = *lock; | |
80 | new = old & ~0x3; | |
81 | val = ia64_cmpxchg4_acq(lock, new, old); | |
82 | } while (unlikely (val != old)); | |
83 | return old & 0x1; | |
84 | } | |
85 | ||
ad71860a AS |
86 | #define ACPI_ACQUIRE_GLOBAL_LOCK(facs, Acq) \ |
87 | ((Acq) = ia64_acpi_acquire_global_lock(&facs->global_lock)) | |
1da177e4 | 88 | |
ad71860a AS |
89 | #define ACPI_RELEASE_GLOBAL_LOCK(facs, Acq) \ |
90 | ((Acq) = ia64_acpi_release_global_lock(&facs->global_lock)) | |
1da177e4 | 91 | |
e56d953d | 92 | #ifdef CONFIG_ACPI |
1da177e4 LT |
93 | #define acpi_disabled 0 /* ACPI always enabled on IA64 */ |
94 | #define acpi_noirq 0 /* ACPI always enabled on IA64 */ | |
95 | #define acpi_pci_disabled 0 /* ACPI PCI always enabled on IA64 */ | |
96 | #define acpi_strict 1 /* no ACPI spec workarounds on IA64 */ | |
e56d953d | 97 | #endif |
c1c30634 | 98 | #define acpi_processor_cstate_check(x) (x) /* no idle limits on IA64 :) */ |
1da177e4 LT |
99 | static inline void disable_acpi(void) { } |
100 | ||
101 | const char *acpi_get_sysname (void); | |
102 | int acpi_request_vector (u32 int_type); | |
103 | int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); | |
104 | ||
e8b2fd01 LB |
105 | /* routines for saving/restoring kernel state */ |
106 | extern int acpi_save_state_mem(void); | |
107 | extern void acpi_restore_state_mem(void); | |
108 | extern unsigned long acpi_wakeup_address; | |
109 | ||
55e59c51 AR |
110 | /* |
111 | * Record the cpei override flag and current logical cpu. This is | |
112 | * useful for CPU removal. | |
113 | */ | |
114 | extern unsigned int can_cpei_retarget(void); | |
115 | extern unsigned int is_cpu_cpei_target(unsigned int cpu); | |
116 | extern void set_cpei_target_cpu(unsigned int cpu); | |
117 | extern unsigned int get_cpei_target_cpu(void); | |
a6b14fa6 | 118 | extern void prefill_possible_map(void); |
2c6e6db4 | 119 | #ifdef CONFIG_ACPI_HOTPLUG_CPU |
a6b14fa6 | 120 | extern int additional_cpus; |
2c6e6db4 | 121 | #else |
122 | #define additional_cpus 0 | |
123 | #endif | |
55e59c51 | 124 | |
1da177e4 | 125 | #ifdef CONFIG_ACPI_NUMA |
0d9adec5 JS |
126 | #if MAX_NUMNODES > 256 |
127 | #define MAX_PXM_DOMAINS MAX_NUMNODES | |
3ad5ef8b | 128 | #else |
1da177e4 | 129 | #define MAX_PXM_DOMAINS (256) |
3ad5ef8b | 130 | #endif |
1da177e4 LT |
131 | extern int __devinitdata pxm_to_nid_map[MAX_PXM_DOMAINS]; |
132 | extern int __initdata nid_to_pxm_map[MAX_NUMNODES]; | |
133 | #endif | |
134 | ||
bde6f5f5 VP |
135 | #define acpi_unlazy_tlb(x) |
136 | ||
2c6e6db4 | 137 | #ifdef CONFIG_ACPI_NUMA |
138 | extern cpumask_t early_cpu_possible_map; | |
139 | #define for_each_possible_early_cpu(cpu) \ | |
140 | for_each_cpu_mask((cpu), early_cpu_possible_map) | |
141 | ||
142 | static inline void per_cpu_scan_finalize(int min_cpus, int reserve_cpus) | |
143 | { | |
144 | int low_cpu, high_cpu; | |
145 | int cpu; | |
146 | int next_nid = 0; | |
147 | ||
148 | low_cpu = cpus_weight(early_cpu_possible_map); | |
149 | ||
150 | high_cpu = max(low_cpu, min_cpus); | |
151 | high_cpu = min(high_cpu + reserve_cpus, NR_CPUS); | |
152 | ||
153 | for (cpu = low_cpu; cpu < high_cpu; cpu++) { | |
154 | cpu_set(cpu, early_cpu_possible_map); | |
155 | if (node_cpuid[cpu].nid == NUMA_NO_NODE) { | |
156 | node_cpuid[cpu].nid = next_nid; | |
157 | next_nid++; | |
158 | if (next_nid >= num_online_nodes()) | |
159 | next_nid = 0; | |
160 | } | |
161 | } | |
162 | } | |
163 | #endif /* CONFIG_ACPI_NUMA */ | |
164 | ||
1da177e4 LT |
165 | #endif /*__KERNEL__*/ |
166 | ||
167 | #endif /*_ASM_ACPI_H*/ |