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Commit | Line | Data |
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1a59d1b8 | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
1da177e4 | 2 | /* |
1da177e4 LT |
3 | * Copyright (C) 1999 VA Linux Systems |
4 | * Copyright (C) 1999 Walt Drummond <drummond@valinux.com> | |
5 | * Copyright (C) 2000,2001 J.I. Lee <jung-ik.lee@intel.com> | |
6 | * Copyright (C) 2001,2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> | |
1da177e4 LT |
7 | */ |
8 | ||
9 | #ifndef _ASM_ACPI_H | |
10 | #define _ASM_ACPI_H | |
11 | ||
12 | #ifdef __KERNEL__ | |
13 | ||
35729449 VP |
14 | #include <acpi/pdc_intel.h> |
15 | ||
1da177e4 LT |
16 | #include <linux/init.h> |
17 | #include <linux/numa.h> | |
2c6e6db4 | 18 | #include <asm/numa.h> |
1da177e4 | 19 | |
e56d953d | 20 | #ifdef CONFIG_ACPI |
247dba58 | 21 | extern int acpi_lapic; |
1da177e4 LT |
22 | #define acpi_disabled 0 /* ACPI always enabled on IA64 */ |
23 | #define acpi_noirq 0 /* ACPI always enabled on IA64 */ | |
24 | #define acpi_pci_disabled 0 /* ACPI PCI always enabled on IA64 */ | |
25 | #define acpi_strict 1 /* no ACPI spec workarounds on IA64 */ | |
b50154d5 GG |
26 | |
27 | static inline bool acpi_has_cpu_in_madt(void) | |
28 | { | |
29 | return !!acpi_lapic; | |
30 | } | |
e56d953d | 31 | #endif |
c1c30634 | 32 | #define acpi_processor_cstate_check(x) (x) /* no idle limits on IA64 :) */ |
1da177e4 LT |
33 | static inline void disable_acpi(void) { } |
34 | ||
d868080d | 35 | #ifdef CONFIG_IA64_GENERIC |
1da177e4 | 36 | const char *acpi_get_sysname (void); |
d868080d AC |
37 | #else |
38 | static inline const char *acpi_get_sysname (void) | |
39 | { | |
40 | # if defined (CONFIG_IA64_HP_SIM) | |
41 | return "hpsim"; | |
42 | # elif defined (CONFIG_IA64_HP_ZX1) | |
43 | return "hpzx1"; | |
44 | # elif defined (CONFIG_IA64_HP_ZX1_SWIOTLB) | |
45 | return "hpzx1_swiotlb"; | |
46 | # elif defined (CONFIG_IA64_SGI_SN2) | |
47 | return "sn2"; | |
48 | # elif defined (CONFIG_IA64_SGI_UV) | |
49 | return "uv"; | |
50 | # elif defined (CONFIG_IA64_DIG) | |
51 | return "dig"; | |
d868080d AC |
52 | # elif defined(CONFIG_IA64_DIG_VTD) |
53 | return "dig_vtd"; | |
54 | # else | |
55 | # error Unknown platform. Fix acpi.c. | |
56 | # endif | |
57 | } | |
58 | #endif | |
1da177e4 LT |
59 | int acpi_request_vector (u32 int_type); |
60 | int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); | |
61 | ||
f1a2003e RW |
62 | /* Low-level suspend routine. */ |
63 | extern int acpi_suspend_lowlevel(void); | |
c41b93fb | 64 | |
e8b2fd01 LB |
65 | extern unsigned long acpi_wakeup_address; |
66 | ||
55e59c51 AR |
67 | /* |
68 | * Record the cpei override flag and current logical cpu. This is | |
69 | * useful for CPU removal. | |
70 | */ | |
71 | extern unsigned int can_cpei_retarget(void); | |
72 | extern unsigned int is_cpu_cpei_target(unsigned int cpu); | |
73 | extern void set_cpei_target_cpu(unsigned int cpu); | |
74 | extern unsigned int get_cpei_target_cpu(void); | |
a6b14fa6 | 75 | extern void prefill_possible_map(void); |
2c6e6db4 | 76 | #ifdef CONFIG_ACPI_HOTPLUG_CPU |
a6b14fa6 | 77 | extern int additional_cpus; |
2c6e6db4 | 78 | #else |
79 | #define additional_cpus 0 | |
80 | #endif | |
55e59c51 | 81 | |
1da177e4 | 82 | #ifdef CONFIG_ACPI_NUMA |
0d9adec5 JS |
83 | #if MAX_NUMNODES > 256 |
84 | #define MAX_PXM_DOMAINS MAX_NUMNODES | |
3ad5ef8b | 85 | #else |
1da177e4 | 86 | #define MAX_PXM_DOMAINS (256) |
3ad5ef8b | 87 | #endif |
5b5e76e9 | 88 | extern int pxm_to_nid_map[MAX_PXM_DOMAINS]; |
1da177e4 LT |
89 | extern int __initdata nid_to_pxm_map[MAX_NUMNODES]; |
90 | #endif | |
91 | ||
1d9cb470 | 92 | static inline bool arch_has_acpi_pdc(void) { return true; } |
6c5807d7 AC |
93 | static inline void arch_acpi_set_pdc_bits(u32 *buf) |
94 | { | |
95 | buf[2] |= ACPI_PDC_EST_CAPABILITY_SMP; | |
96 | } | |
1d9cb470 | 97 | |
67535736 AL |
98 | #define acpi_unlazy_tlb(x) |
99 | ||
2c6e6db4 | 100 | #ifdef CONFIG_ACPI_NUMA |
101 | extern cpumask_t early_cpu_possible_map; | |
102 | #define for_each_possible_early_cpu(cpu) \ | |
5d2068da | 103 | for_each_cpu((cpu), &early_cpu_possible_map) |
2c6e6db4 | 104 | |
105 | static inline void per_cpu_scan_finalize(int min_cpus, int reserve_cpus) | |
106 | { | |
107 | int low_cpu, high_cpu; | |
108 | int cpu; | |
109 | int next_nid = 0; | |
110 | ||
5d2068da | 111 | low_cpu = cpumask_weight(&early_cpu_possible_map); |
2c6e6db4 | 112 | |
113 | high_cpu = max(low_cpu, min_cpus); | |
114 | high_cpu = min(high_cpu + reserve_cpus, NR_CPUS); | |
115 | ||
116 | for (cpu = low_cpu; cpu < high_cpu; cpu++) { | |
5d2068da | 117 | cpumask_set_cpu(cpu, &early_cpu_possible_map); |
2c6e6db4 | 118 | if (node_cpuid[cpu].nid == NUMA_NO_NODE) { |
119 | node_cpuid[cpu].nid = next_nid; | |
120 | next_nid++; | |
121 | if (next_nid >= num_online_nodes()) | |
122 | next_nid = 0; | |
123 | } | |
124 | } | |
125 | } | |
312521d0 RR |
126 | |
127 | extern void acpi_numa_fixup(void); | |
128 | ||
2c6e6db4 | 129 | #endif /* CONFIG_ACPI_NUMA */ |
130 | ||
1da177e4 LT |
131 | #endif /*__KERNEL__*/ |
132 | ||
133 | #endif /*_ASM_ACPI_H*/ |