freebsd-skq/sys/amd64/include/smp.h
kib cbdd03ad96 Move common code from sys/i386/i386/mp_machdep.c and
sys/amd64/amd64/mp_machdep.c, to the new common x86 source
sys/x86/x86/mp_x86.c.

Proposed and reviewed by:	jhb
Review:	https://reviews.freebsd.org/D2347
Sponsored by:	The FreeBSD Foundation
2015-04-24 16:20:56 +00:00

135 lines
3.9 KiB
C

/*-
* ----------------------------------------------------------------------------
* "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 _MACHINE_SMP_H_
#define _MACHINE_SMP_H_
#ifdef _KERNEL
#ifdef SMP
#ifndef LOCORE
#include <sys/bus.h>
#include <machine/frame.h>
#include <machine/intr_machdep.h>
#include <x86/apicvar.h>
#include <machine/pcb.h>
/* global symbols in mpboot.S */
extern char mptramp_start[];
extern char mptramp_end[];
extern u_int32_t mptramp_pagetables;
/* global data in mp_machdep.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 int bootAP;
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 int pmap_pcid_enabled;
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;
extern u_int ipi_masked_global;
extern u_int ipi_masked_page;
extern u_int ipi_masked_range;
extern u_int ipi_masked_range_size;
extern volatile int smp_tlb_wait;
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_pcid), /* TLB shootdowns - global, pcid enabled */
IDTVEC(invltlb), /* TLB shootdowns - global */
IDTVEC(invlpg_pcid), /* TLB shootdowns - 1 page, pcid enabled */
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(justreturn), /* interrupt CPU with minimum overhead */
IDTVEC(rendezvous); /* handle CPU rendezvous */
struct pmap;
/* functions in mp_machdep.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 invltlb_pcid_handler(void);
void invlpg_handler(void);
void invlpg_pcid_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_invlpg(struct pmap *pmap, vm_offset_t addr);
void smp_masked_invlpg(cpuset_t mask, struct pmap *pmap, vm_offset_t addr);
void smp_invlpg_range(struct pmap *pmap, vm_offset_t startva,
vm_offset_t endva);
void smp_masked_invlpg_range(cpuset_t mask, struct pmap *pmap,
vm_offset_t startva, vm_offset_t endva);
void smp_invltlb(struct pmap *pmap);
void smp_masked_invltlb(cpuset_t mask, struct pmap *pmap);
int native_start_all_aps(void);
void mem_range_AP_init(void);
void topo_probe(void);
void ipi_send_cpu(int cpu, u_int ipi);
#endif /* !LOCORE */
#endif /* SMP */
#endif /* _KERNEL */
#endif /* _MACHINE_SMP_H_ */