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#ifndef __ASM_SMP_H
#define __ASM_SMP_H
/*
* We need the APIC definitions automatically as part of 'smp.h'
*/
#ifndef __ASSEMBLY__
#include <xen/bitops.h>
#include <xen/kernel.h>
#include <xen/cpumask.h>
#include <asm/current.h>
#include <asm/mpspec.h>
#endif
#define BAD_APICID (-1U)
#define INVALID_CUID (~0U) /* AMD Compute Unit ID */
#ifndef __ASSEMBLY__
/*
* Private routines/data
*/
DECLARE_PER_CPU(cpumask_var_t, cpu_sibling_mask);
DECLARE_PER_CPU(cpumask_var_t, cpu_core_mask);
DECLARE_PER_CPU(cpumask_var_t, scratch_cpumask);
DECLARE_PER_CPU(cpumask_var_t, send_ipi_cpumask);
/*
* Do we, for platform reasons, need to actually keep CPUs online when we
* would otherwise prefer them to be off?
*/
extern bool park_offline_cpus;
void smp_send_nmi_allbutself(void);
void send_IPI_mask(const cpumask_t *, int vector);
void send_IPI_self(int vector);
extern void (*mtrr_hook) (void);
extern void zap_low_mappings(void);
extern u32 x86_cpu_to_apicid[];
#define cpu_physical_id(cpu) x86_cpu_to_apicid[cpu]
#define cpu_is_offline(cpu) unlikely(!cpu_online(cpu))
extern void cpu_exit_clear(unsigned int cpu);
extern void cpu_uninit(unsigned int cpu);
int cpu_add(uint32_t apic_id, uint32_t acpi_id, uint32_t pxm);
/*
* This function is needed by all SMP systems. It must _always_ be valid
* from the initial startup. We map APIC_BASE very early in page_setup(),
* so this is correct in the x86 case.
*/
#define smp_processor_id() get_processor_id()
void __stop_this_cpu(void);
long cpu_up_helper(void *data);
long cpu_down_helper(void *data);
long core_parking_helper(void *data);
bool core_parking_remove(unsigned int cpu);
uint32_t get_cur_idle_nums(void);
/*
* The value may be greater than the actual socket number in the system and
* is required not to change from the initial startup.
*/
extern unsigned int nr_sockets;
void set_nr_sockets(void);
/* Representing HT and core siblings in each socket. */
extern cpumask_t **socket_cpumask;
/*
* To be used only while no context switch can occur on the cpu, i.e.
* by certain scheduling code only.
*/
#define get_cpu_current(cpu) \
(get_cpu_info_from_stack((unsigned long)stack_base[cpu])->current_vcpu)
extern unsigned int disabled_cpus;
extern bool unaccounted_cpus;
#endif /* !__ASSEMBLY__ */
#endif
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