1 /* SPDX-License-Identifier: GPL-2.0-or-later */
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>
14 #include <acpi/pdc_intel.h>
16 #include <linux/init.h>
17 #include <linux/numa.h>
21 extern int acpi_lapic;
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 */
27 static inline bool acpi_has_cpu_in_madt(void)
32 #define acpi_processor_cstate_check(x) (x) /* no idle limits on IA64 :) */
33 static inline void disable_acpi(void) { }
35 #ifdef CONFIG_IA64_GENERIC
36 const char *acpi_get_sysname (void);
38 static inline const char *acpi_get_sysname (void)
40 # if defined (CONFIG_IA64_HP_SIM)
42 # elif defined (CONFIG_IA64_HP_ZX1)
44 # elif defined (CONFIG_IA64_HP_ZX1_SWIOTLB)
45 return "hpzx1_swiotlb";
46 # elif defined (CONFIG_IA64_SGI_SN2)
48 # elif defined (CONFIG_IA64_SGI_UV)
50 # elif defined (CONFIG_IA64_DIG)
52 # elif defined(CONFIG_IA64_DIG_VTD)
55 # error Unknown platform. Fix acpi.c.
59 int acpi_request_vector (u32 int_type);
60 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
62 /* Low-level suspend routine. */
63 extern int acpi_suspend_lowlevel(void);
65 extern unsigned long acpi_wakeup_address;
68 * Record the cpei override flag and current logical cpu. This is
69 * useful for CPU removal.
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);
75 extern void prefill_possible_map(void);
76 #ifdef CONFIG_ACPI_HOTPLUG_CPU
77 extern int additional_cpus;
79 #define additional_cpus 0
82 #ifdef CONFIG_ACPI_NUMA
83 #if MAX_NUMNODES > 256
84 #define MAX_PXM_DOMAINS MAX_NUMNODES
86 #define MAX_PXM_DOMAINS (256)
88 extern int pxm_to_nid_map[MAX_PXM_DOMAINS];
89 extern int __initdata nid_to_pxm_map[MAX_NUMNODES];
92 static inline bool arch_has_acpi_pdc(void) { return true; }
93 static inline void arch_acpi_set_pdc_bits(u32 *buf)
95 buf[2] |= ACPI_PDC_EST_CAPABILITY_SMP;
98 #define acpi_unlazy_tlb(x)
100 #ifdef CONFIG_ACPI_NUMA
101 extern cpumask_t early_cpu_possible_map;
102 #define for_each_possible_early_cpu(cpu) \
103 for_each_cpu((cpu), &early_cpu_possible_map)
105 static inline void per_cpu_scan_finalize(int min_cpus, int reserve_cpus)
107 int low_cpu, high_cpu;
111 low_cpu = cpumask_weight(&early_cpu_possible_map);
113 high_cpu = max(low_cpu, min_cpus);
114 high_cpu = min(high_cpu + reserve_cpus, NR_CPUS);
116 for (cpu = low_cpu; cpu < high_cpu; cpu++) {
117 cpumask_set_cpu(cpu, &early_cpu_possible_map);
118 if (node_cpuid[cpu].nid == NUMA_NO_NODE) {
119 node_cpuid[cpu].nid = next_nid;
121 if (next_nid >= num_online_nodes())
127 extern void acpi_numa_fixup(void);
129 #endif /* CONFIG_ACPI_NUMA */
131 #endif /*__KERNEL__*/
133 #endif /*_ASM_ACPI_H*/