1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Copyright (C) 1999 VA Linux Systems
4*4882a593Smuzhiyun * Copyright (C) 1999 Walt Drummond <drummond@valinux.com>
5*4882a593Smuzhiyun * Copyright (C) 2000,2001 J.I. Lee <jung-ik.lee@intel.com>
6*4882a593Smuzhiyun * Copyright (C) 2001,2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
7*4882a593Smuzhiyun */
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun #ifndef _ASM_ACPI_H
10*4882a593Smuzhiyun #define _ASM_ACPI_H
11*4882a593Smuzhiyun
12*4882a593Smuzhiyun #ifdef __KERNEL__
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun #include <acpi/pdc_intel.h>
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun #include <linux/init.h>
17*4882a593Smuzhiyun #include <linux/numa.h>
18*4882a593Smuzhiyun #include <asm/numa.h>
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun extern int acpi_lapic;
22*4882a593Smuzhiyun #define acpi_disabled 0 /* ACPI always enabled on IA64 */
23*4882a593Smuzhiyun #define acpi_noirq 0 /* ACPI always enabled on IA64 */
24*4882a593Smuzhiyun #define acpi_pci_disabled 0 /* ACPI PCI always enabled on IA64 */
25*4882a593Smuzhiyun #define acpi_strict 1 /* no ACPI spec workarounds on IA64 */
26*4882a593Smuzhiyun
acpi_has_cpu_in_madt(void)27*4882a593Smuzhiyun static inline bool acpi_has_cpu_in_madt(void)
28*4882a593Smuzhiyun {
29*4882a593Smuzhiyun return !!acpi_lapic;
30*4882a593Smuzhiyun }
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun #define acpi_processor_cstate_check(x) (x) /* no idle limits on IA64 :) */
disable_acpi(void)33*4882a593Smuzhiyun static inline void disable_acpi(void) { }
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun int acpi_request_vector (u32 int_type);
36*4882a593Smuzhiyun int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
37*4882a593Smuzhiyun
38*4882a593Smuzhiyun /* Low-level suspend routine. */
39*4882a593Smuzhiyun extern int acpi_suspend_lowlevel(void);
40*4882a593Smuzhiyun
acpi_get_wakeup_address(void)41*4882a593Smuzhiyun static inline unsigned long acpi_get_wakeup_address(void)
42*4882a593Smuzhiyun {
43*4882a593Smuzhiyun return 0;
44*4882a593Smuzhiyun }
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun /*
47*4882a593Smuzhiyun * Record the cpei override flag and current logical cpu. This is
48*4882a593Smuzhiyun * useful for CPU removal.
49*4882a593Smuzhiyun */
50*4882a593Smuzhiyun extern unsigned int can_cpei_retarget(void);
51*4882a593Smuzhiyun extern unsigned int is_cpu_cpei_target(unsigned int cpu);
52*4882a593Smuzhiyun extern void set_cpei_target_cpu(unsigned int cpu);
53*4882a593Smuzhiyun extern unsigned int get_cpei_target_cpu(void);
54*4882a593Smuzhiyun extern void prefill_possible_map(void);
55*4882a593Smuzhiyun #ifdef CONFIG_ACPI_HOTPLUG_CPU
56*4882a593Smuzhiyun extern int additional_cpus;
57*4882a593Smuzhiyun #else
58*4882a593Smuzhiyun #define additional_cpus 0
59*4882a593Smuzhiyun #endif
60*4882a593Smuzhiyun
61*4882a593Smuzhiyun #ifdef CONFIG_ACPI_NUMA
62*4882a593Smuzhiyun #if MAX_NUMNODES > 256
63*4882a593Smuzhiyun #define MAX_PXM_DOMAINS MAX_NUMNODES
64*4882a593Smuzhiyun #else
65*4882a593Smuzhiyun #define MAX_PXM_DOMAINS (256)
66*4882a593Smuzhiyun #endif
67*4882a593Smuzhiyun extern int pxm_to_nid_map[MAX_PXM_DOMAINS];
68*4882a593Smuzhiyun extern int __initdata nid_to_pxm_map[MAX_NUMNODES];
69*4882a593Smuzhiyun #endif
70*4882a593Smuzhiyun
arch_has_acpi_pdc(void)71*4882a593Smuzhiyun static inline bool arch_has_acpi_pdc(void) { return true; }
arch_acpi_set_pdc_bits(u32 * buf)72*4882a593Smuzhiyun static inline void arch_acpi_set_pdc_bits(u32 *buf)
73*4882a593Smuzhiyun {
74*4882a593Smuzhiyun buf[2] |= ACPI_PDC_EST_CAPABILITY_SMP;
75*4882a593Smuzhiyun }
76*4882a593Smuzhiyun
77*4882a593Smuzhiyun #ifdef CONFIG_ACPI_NUMA
78*4882a593Smuzhiyun extern cpumask_t early_cpu_possible_map;
79*4882a593Smuzhiyun #define for_each_possible_early_cpu(cpu) \
80*4882a593Smuzhiyun for_each_cpu((cpu), &early_cpu_possible_map)
81*4882a593Smuzhiyun
per_cpu_scan_finalize(int min_cpus,int reserve_cpus)82*4882a593Smuzhiyun static inline void per_cpu_scan_finalize(int min_cpus, int reserve_cpus)
83*4882a593Smuzhiyun {
84*4882a593Smuzhiyun int low_cpu, high_cpu;
85*4882a593Smuzhiyun int cpu;
86*4882a593Smuzhiyun int next_nid = 0;
87*4882a593Smuzhiyun
88*4882a593Smuzhiyun low_cpu = cpumask_weight(&early_cpu_possible_map);
89*4882a593Smuzhiyun
90*4882a593Smuzhiyun high_cpu = max(low_cpu, min_cpus);
91*4882a593Smuzhiyun high_cpu = min(high_cpu + reserve_cpus, NR_CPUS);
92*4882a593Smuzhiyun
93*4882a593Smuzhiyun for (cpu = low_cpu; cpu < high_cpu; cpu++) {
94*4882a593Smuzhiyun cpumask_set_cpu(cpu, &early_cpu_possible_map);
95*4882a593Smuzhiyun if (node_cpuid[cpu].nid == NUMA_NO_NODE) {
96*4882a593Smuzhiyun node_cpuid[cpu].nid = next_nid;
97*4882a593Smuzhiyun next_nid++;
98*4882a593Smuzhiyun if (next_nid >= num_online_nodes())
99*4882a593Smuzhiyun next_nid = 0;
100*4882a593Smuzhiyun }
101*4882a593Smuzhiyun }
102*4882a593Smuzhiyun }
103*4882a593Smuzhiyun
104*4882a593Smuzhiyun extern void acpi_numa_fixup(void);
105*4882a593Smuzhiyun
106*4882a593Smuzhiyun #endif /* CONFIG_ACPI_NUMA */
107*4882a593Smuzhiyun
108*4882a593Smuzhiyun #endif /*__KERNEL__*/
109*4882a593Smuzhiyun
110*4882a593Smuzhiyun #endif /*_ASM_ACPI_H*/
111