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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 1999 VA Linux Systems
* Copyright (C) 1999 Walt Drummond <drummond@valinux.com>
* Copyright (C) 2000,2001 J.I. Lee <jung-ik.lee@intel.com>
* Copyright (C) 2001,2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
*/
#ifndef _ASM_ACPI_H
#define _ASM_ACPI_H
#ifdef __KERNEL__
#include <acpi/pdc_intel.h>
#include <linux/init.h>
#include <linux/numa.h>
#include <asm/numa.h>
extern int acpi_lapic;
#define acpi_disabled 0 /* ACPI always enabled on IA64 */
#define acpi_noirq 0 /* ACPI always enabled on IA64 */
#define acpi_pci_disabled 0 /* ACPI PCI always enabled on IA64 */
#define acpi_strict 1 /* no ACPI spec workarounds on IA64 */
static inline bool acpi_has_cpu_in_madt(void)
{
return !!acpi_lapic;
}
#define acpi_processor_cstate_check(x) (x) /* no idle limits on IA64 :) */
static inline void disable_acpi(void) { }
int acpi_request_vector (u32 int_type);
int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
/* Low-level suspend routine. */
extern int acpi_suspend_lowlevel(void);
extern unsigned long acpi_wakeup_address;
/*
* Record the cpei override flag and current logical cpu. This is
* useful for CPU removal.
*/
extern unsigned int can_cpei_retarget(void);
extern unsigned int is_cpu_cpei_target(unsigned int cpu);
extern void set_cpei_target_cpu(unsigned int cpu);
extern unsigned int get_cpei_target_cpu(void);
extern void prefill_possible_map(void);
#ifdef CONFIG_ACPI_HOTPLUG_CPU
extern int additional_cpus;
#else
#define additional_cpus 0
#endif
#ifdef CONFIG_ACPI_NUMA
#if MAX_NUMNODES > 256
#define MAX_PXM_DOMAINS MAX_NUMNODES
#else
#define MAX_PXM_DOMAINS (256)
#endif
extern int pxm_to_nid_map[MAX_PXM_DOMAINS];
extern int __initdata nid_to_pxm_map[MAX_NUMNODES];
#endif
static inline bool arch_has_acpi_pdc(void) { return true; }
static inline void arch_acpi_set_pdc_bits(u32 *buf)
{
buf[2] |= ACPI_PDC_EST_CAPABILITY_SMP;
}
#define acpi_unlazy_tlb(x)
#ifdef CONFIG_ACPI_NUMA
extern cpumask_t early_cpu_possible_map;
#define for_each_possible_early_cpu(cpu) \
for_each_cpu((cpu), &early_cpu_possible_map)
static inline void per_cpu_scan_finalize(int min_cpus, int reserve_cpus)
{
int low_cpu, high_cpu;
int cpu;
int next_nid = 0;
low_cpu = cpumask_weight(&early_cpu_possible_map);
high_cpu = max(low_cpu, min_cpus);
high_cpu = min(high_cpu + reserve_cpus, NR_CPUS);
for (cpu = low_cpu; cpu < high_cpu; cpu++) {
cpumask_set_cpu(cpu, &early_cpu_possible_map);
if (node_cpuid[cpu].nid == NUMA_NO_NODE) {
node_cpuid[cpu].nid = next_nid;
next_nid++;
if (next_nid >= num_online_nodes())
next_nid = 0;
}
}
}
extern void acpi_numa_fixup(void);
#endif /* CONFIG_ACPI_NUMA */
#endif /*__KERNEL__*/
#endif /*_ASM_ACPI_H*/