44 lines
975 B
C
Executable file
44 lines
975 B
C
Executable file
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef _ASM_X86_CPU_H
|
|
#define _ASM_X86_CPU_H
|
|
|
|
#include <linux/device.h>
|
|
#include <linux/cpu.h>
|
|
#include <linux/topology.h>
|
|
#include <linux/nodemask.h>
|
|
#include <linux/percpu.h>
|
|
|
|
#ifdef CONFIG_SMP
|
|
|
|
extern void prefill_possible_map(void);
|
|
|
|
#else /* CONFIG_SMP */
|
|
|
|
static inline void prefill_possible_map(void) {}
|
|
|
|
#define cpu_physical_id(cpu) boot_cpu_physical_apicid
|
|
#define cpu_acpi_id(cpu) 0
|
|
#define safe_smp_processor_id() 0
|
|
|
|
#endif /* CONFIG_SMP */
|
|
|
|
struct x86_cpu {
|
|
struct cpu cpu;
|
|
};
|
|
|
|
#ifdef CONFIG_HOTPLUG_CPU
|
|
extern int arch_register_cpu(int num);
|
|
extern void arch_unregister_cpu(int);
|
|
extern void start_cpu0(void);
|
|
#ifdef CONFIG_DEBUG_HOTPLUG_CPU0
|
|
extern int _debug_hotplug_cpu(int cpu, int action);
|
|
#endif
|
|
#endif
|
|
|
|
int mwait_usable(const struct cpuinfo_x86 *);
|
|
|
|
unsigned int x86_family(unsigned int sig);
|
|
unsigned int x86_model(unsigned int sig);
|
|
unsigned int x86_stepping(unsigned int sig);
|
|
#endif /* _ASM_X86_CPU_H */
|