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26#ifndef _ASM_ACPI_H
27#define _ASM_ACPI_H
28
29#ifdef __KERNEL__
30
31#include <acpi/pdc_intel.h>
32
33#include <linux/init.h>
34#include <linux/numa.h>
35#include <asm/numa.h>
36
37#define COMPILER_DEPENDENT_INT64 long
38#define COMPILER_DEPENDENT_UINT64 unsigned long
39
40
41
42
43
44
45
46
47
48#define ACPI_SYSTEM_XFACE
49#define ACPI_EXTERNAL_XFACE
50#define ACPI_INTERNAL_XFACE
51#define ACPI_INTERNAL_VAR_XFACE
52
53
54
55#define ACPI_FLUSH_CPU_CACHE()
56
57static inline int
58ia64_acpi_acquire_global_lock (unsigned int *lock)
59{
60 unsigned int old, new, val;
61 do {
62 old = *lock;
63 new = (((old & ~0x3) + 2) + ((old >> 1) & 0x1));
64 val = ia64_cmpxchg4_acq(lock, new, old);
65 } while (unlikely (val != old));
66 return (new < 3) ? -1 : 0;
67}
68
69static inline int
70ia64_acpi_release_global_lock (unsigned int *lock)
71{
72 unsigned int old, new, val;
73 do {
74 old = *lock;
75 new = old & ~0x3;
76 val = ia64_cmpxchg4_acq(lock, new, old);
77 } while (unlikely (val != old));
78 return old & 0x1;
79}
80
81#define ACPI_ACQUIRE_GLOBAL_LOCK(facs, Acq) \
82 ((Acq) = ia64_acpi_acquire_global_lock(&facs->global_lock))
83
84#define ACPI_RELEASE_GLOBAL_LOCK(facs, Acq) \
85 ((Acq) = ia64_acpi_release_global_lock(&facs->global_lock))
86
87#ifdef CONFIG_ACPI
88#define acpi_disabled 0
89#define acpi_noirq 0
90#define acpi_pci_disabled 0
91#define acpi_strict 1
92#endif
93#define acpi_processor_cstate_check(x) (x)
94static inline void disable_acpi(void) { }
95static inline void pci_acpi_crs_quirks(void) { }
96
97#ifdef CONFIG_IA64_GENERIC
98const char *acpi_get_sysname (void);
99#else
100static inline const char *acpi_get_sysname (void)
101{
102# if defined (CONFIG_IA64_HP_SIM)
103 return "hpsim";
104# elif defined (CONFIG_IA64_HP_ZX1)
105 return "hpzx1";
106# elif defined (CONFIG_IA64_HP_ZX1_SWIOTLB)
107 return "hpzx1_swiotlb";
108# elif defined (CONFIG_IA64_SGI_SN2)
109 return "sn2";
110# elif defined (CONFIG_IA64_SGI_UV)
111 return "uv";
112# elif defined (CONFIG_IA64_DIG)
113 return "dig";
114# elif defined (CONFIG_IA64_XEN_GUEST)
115 return "xen";
116# elif defined(CONFIG_IA64_DIG_VTD)
117 return "dig_vtd";
118# else
119# error Unknown platform. Fix acpi.c.
120# endif
121}
122#endif
123int acpi_request_vector (u32 int_type);
124int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
125
126
127extern int acpi_suspend_lowlevel(void);
128
129extern unsigned long acpi_wakeup_address;
130
131
132
133
134
135extern unsigned int can_cpei_retarget(void);
136extern unsigned int is_cpu_cpei_target(unsigned int cpu);
137extern void set_cpei_target_cpu(unsigned int cpu);
138extern unsigned int get_cpei_target_cpu(void);
139extern void prefill_possible_map(void);
140#ifdef CONFIG_ACPI_HOTPLUG_CPU
141extern int additional_cpus;
142#else
143#define additional_cpus 0
144#endif
145
146#ifdef CONFIG_ACPI_NUMA
147#if MAX_NUMNODES > 256
148#define MAX_PXM_DOMAINS MAX_NUMNODES
149#else
150#define MAX_PXM_DOMAINS (256)
151#endif
152extern int pxm_to_nid_map[MAX_PXM_DOMAINS];
153extern int __initdata nid_to_pxm_map[MAX_NUMNODES];
154#endif
155
156static inline bool arch_has_acpi_pdc(void) { return true; }
157static inline void arch_acpi_set_pdc_bits(u32 *buf)
158{
159 buf[2] |= ACPI_PDC_EST_CAPABILITY_SMP;
160}
161
162#define acpi_unlazy_tlb(x)
163
164#ifdef CONFIG_ACPI_NUMA
165extern cpumask_t early_cpu_possible_map;
166#define for_each_possible_early_cpu(cpu) \
167 for_each_cpu_mask((cpu), early_cpu_possible_map)
168
169static inline void per_cpu_scan_finalize(int min_cpus, int reserve_cpus)
170{
171 int low_cpu, high_cpu;
172 int cpu;
173 int next_nid = 0;
174
175 low_cpu = cpus_weight(early_cpu_possible_map);
176
177 high_cpu = max(low_cpu, min_cpus);
178 high_cpu = min(high_cpu + reserve_cpus, NR_CPUS);
179
180 for (cpu = low_cpu; cpu < high_cpu; cpu++) {
181 cpu_set(cpu, early_cpu_possible_map);
182 if (node_cpuid[cpu].nid == NUMA_NO_NODE) {
183 node_cpuid[cpu].nid = next_nid;
184 next_nid++;
185 if (next_nid >= num_online_nodes())
186 next_nid = 0;
187 }
188 }
189}
190#endif
191
192#endif
193
194#endif
195