/*-
* SPDX-License-Identifier: Beerware
*
* ----------------------------------------------------------------------------
* "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
* ----------------------------------------------------------------------------
*
*/
#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;
#ifdef __i386__
extern unsigned int boot_address;
#endif
/* global data in mp_x86.c */
extern int mp_naps;
extern int boot_cpu_id;
extern int cpu_apic_ids[];
extern int bootAP;
extern void *dpcpu;
extern char *bootSTK;
extern void *bootstacks[];
extern unsigned int bootMP_size;
extern volatile int aps_ready;
extern struct mtx ap_boot_mtx;
extern int cpu_logical;
extern int cpu_cores;
extern volatile uint32_t smp_tlb_generation;
extern struct pmap *smp_tlb_pmap;
extern vm_offset_t smp_tlb_addr1, smp_tlb_addr2;
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 int nmi_kdb_lock;
extern int nmi_is_broadcast;
struct cpu_info {
bool cpu_present:1;
bool cpu_bsp:1;
bool cpu_disabled:1;
bool cpu_hyperthread:1;
};
extern struct cpu_info *cpu_info;
/*
* Set if MWAIT does not reliably wake when the MONITORed address is written.
*/
extern bool mwait_cpustop_broken;
#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(ipi_intr_bitmap_handler), /* Bitmap based IPIs */
IDTVEC(ipi_swi), /* Runs delayed SWI */
IDTVEC(cpustop), /* CPU stops & waits to be restarted */
IDTVEC(cpususpend), /* CPU suspends & waits to be resumed */
IDTVEC(rendezvous); /* handle CPU rendezvous */
typedef void (*smp_invl_cb_t)(struct pmap *, vm_offset_t addr1,
vm_offset_t addr2);
#ifdef __i386__
void alloc_ap_trampoline(vm_paddr_t *physmap, unsigned int *physmap_idx);
#endif
/* 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 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_swi_handler(struct trapframe frame);
void ipi_selected(cpuset_t cpus, u_int ipi);
void ipi_self_from_nmi(u_int vector);
void set_interrupt_apic_ids(void);
void mem_range_AP_init(void);
void topo_probe(void);
/* functions in mp_machdep.c */
void smp_cache_flush(smp_invl_cb_t curcpu_cb);
#ifdef __i386__
void smp_masked_invlpg(cpuset_t mask, vm_offset_t addr, struct pmap *pmap,
smp_invl_cb_t curcpu_cb);
void smp_masked_invlpg_range(cpuset_t mask, vm_offset_t startva,
vm_offset_t endva, struct pmap *pmap, smp_invl_cb_t curcpu_cb);
void smp_masked_invltlb(cpuset_t mask, struct pmap *pmap,
smp_invl_cb_t curcpu_cb);
#else
void smp_masked_invlpg(vm_offset_t addr, struct pmap *pmap,
smp_invl_cb_t curcpu_cb);
void smp_masked_invlpg_range(vm_offset_t startva, vm_offset_t endva,
struct pmap *pmap, smp_invl_cb_t curcpu_cb);
void smp_masked_invltlb(struct pmap *pmap, smp_invl_cb_t curcpu_cb);
#endif
#endif
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