freebsd-dev/sys/x86/include/x86_smp.h

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/*-
* ----------------------------------------------------------------------------
* "THE BEER-WARE LICENSE" (Revision 42):
* <phk@FreeBSD.org> wrote this file. As long as you retain this notice you
* can do whatever you want with this stuff. If we meet some day, and you think
* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
* ----------------------------------------------------------------------------
*
* $FreeBSD$
*
*/
#ifndef _X86_X86_SMP_H_
#define _X86_X86_SMP_H_
#include <sys/bus.h>
#include <machine/frame.h>
#include <machine/intr_machdep.h>
#include <x86/apicvar.h>
#include <machine/pcb.h>
struct pmap;
/* global data in mp_x86.c */
extern int mp_naps;
extern int boot_cpu_id;
extern struct pcb stoppcbs[];
extern int cpu_apic_ids[];
extern int bootAP;
extern void *dpcpu;
extern char *bootSTK;
extern void *bootstacks[];
extern volatile u_int cpu_ipi_pending[];
extern volatile int aps_ready;
extern struct mtx ap_boot_mtx;
extern int cpu_logical;
extern int cpu_cores;
extern volatile int smp_tlb_wait;
extern struct pmap *smp_tlb_pmap;
extern u_int xhits_gbl[];
extern u_int xhits_pg[];
extern u_int xhits_rng[];
extern u_int ipi_global;
extern u_int ipi_page;
extern u_int ipi_range;
extern u_int ipi_range_size;
struct cpu_info {
int cpu_present:1;
int cpu_bsp:1;
int cpu_disabled:1;
int cpu_hyperthread:1;
};
extern struct cpu_info cpu_info[];
#ifdef COUNT_IPIS
extern u_long *ipi_invltlb_counts[MAXCPU];
extern u_long *ipi_invlrng_counts[MAXCPU];
extern u_long *ipi_invlpg_counts[MAXCPU];
extern u_long *ipi_invlcache_counts[MAXCPU];
extern u_long *ipi_rendezvous_counts[MAXCPU];
#endif
/* IPI handlers */
inthand_t
IDTVEC(invltlb), /* TLB shootdowns - global */
IDTVEC(invlpg), /* TLB shootdowns - 1 page */
IDTVEC(invlrng), /* TLB shootdowns - page range */
IDTVEC(invlcache), /* Write back and invalidate cache */
IDTVEC(ipi_intr_bitmap_handler), /* Bitmap based IPIs */
IDTVEC(cpustop), /* CPU stops & waits to be restarted */
IDTVEC(cpususpend), /* CPU suspends & waits to be resumed */
IDTVEC(rendezvous); /* handle CPU rendezvous */
/* functions in x86_mp.c */
void assign_cpu_ids(void);
void cpu_add(u_int apic_id, char boot_cpu);
void cpustop_handler(void);
void cpususpend_handler(void);
void init_secondary_tail(void);
void invltlb_handler(void);
void invlpg_handler(void);
void invlrng_handler(void);
void invlcache_handler(void);
void init_secondary(void);
void ipi_startup(int apic_id, int vector);
void ipi_all_but_self(u_int ipi);
void ipi_bitmap_handler(struct trapframe frame);
void ipi_cpu(int cpu, u_int ipi);
int ipi_nmi_handler(void);
void ipi_selected(cpuset_t cpus, u_int ipi);
u_int mp_bootaddress(u_int);
void set_interrupt_apic_ids(void);
void smp_cache_flush(void);
void smp_masked_invlpg(cpuset_t mask, vm_offset_t addr);
void smp_masked_invlpg_range(cpuset_t mask, vm_offset_t startva,
vm_offset_t endva);
void smp_masked_invltlb(cpuset_t mask, struct pmap *pmap);
void mem_range_AP_init(void);
void topo_probe(void);
void ipi_send_cpu(int cpu, u_int ipi);
#endif