1
0
mirror of https://git.FreeBSD.org/src.git synced 2024-12-25 11:37:56 +00:00
freebsd/sys/amd64/include/smp.h

131 lines
3.5 KiB
C
Raw Normal View History

/*
* ----------------------------------------------------------------------------
* "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
* ----------------------------------------------------------------------------
*
* $Id: smp.h,v 1.12 1997/06/25 20:59:15 fsmp Exp $
*
*/
#ifndef _MACHINE_SMP_H_
#define _MACHINE_SMP_H_
#ifdef KERNEL
#if defined(SMP) && !defined(APIC_IO)
# error APIC_IO required for SMP, add "options APIC_IO" to your config file.
#endif /* SMP && !APIC_IO */
#if defined(SMP) && !defined(NCPU)
# define NCPU 2
#endif /* SMP && NCPU */
#if defined(SMP) || defined(APIC_IO)
/*
* For sending values to POST displays.
*/
#define POSTCODE(X) outb(0x80, (X))
#include <machine/apic.h>
/* global data in mpboot.s */
extern int bootMP_size;
/* functions in mpboot.s */
void bootMP __P((void));
/* global data in mplock.s */
extern u_int mp_lock;
/* functions in mplock.s */
void get_mplock __P((void));
void rel_mplock __P((void));
void try_mplock __P((void));
/* global data in apic_vector.s */
extern volatile u_int stopped_cpus;
extern volatile u_int started_cpus;
/* global data in mp_machdep.c */
extern int mp_ncpus;
extern int mp_naps;
extern int mp_nbusses;
extern int mp_napics;
extern int mp_picmode;
extern int boot_cpu_id;
extern vm_offset_t cpu_apic_address;
extern vm_offset_t io_apic_address[];
extern u_int32_t cpu_apic_versions[];
extern u_int32_t io_apic_versions[];
extern int cpu_num_to_apic_id[];
extern int io_num_to_apic_id[];
extern int apic_id_to_logical[];
extern u_int all_cpus;
extern u_int SMP_prvpt[];
extern u_char SMP_ioapic[];
/* functions in mp_machdep.c */
u_int mp_bootaddress __P((u_int));
int mp_probe __P((void));
void mp_start __P((void));
void mp_announce __P((void));
u_int isa_apic_mask __P((u_int));
int isa_apic_pin __P((int));
int pci_apic_pin __P((int, int, int));
int undirect_isa_irq __P((int));
int undirect_pci_irq __P((int));
int apic_bus_type __P((int));
int apic_src_bus_id __P((int, int));
int apic_src_bus_irq __P((int, int));
int apic_int_type __P((int, int));
int apic_trigger __P((int, int));
int apic_polarity __P((int, int));
void configure_local_apic __P((void));
void init_secondary __P((void));
void smp_invltlb __P((void));
int stop_cpus __P((u_int));
int restart_cpus __P((u_int));
/* global data in mpapic.c */
extern volatile lapic_t lapic;
#if defined(MULTIPLE_IOAPICS)
#error MULTIPLE_IOAPICSXXX
#else
extern volatile ioapic_t *ioapic[];
#endif /* MULTIPLE_IOAPICS */
/* functions in mpapic.c */
void apic_initialize __P((int));
int apic_ipi __P((int, int, int));
int selected_apic_ipi __P((u_int, int, int));
int io_apic_setup __P((int));
int ext_int_setup __P((int, int));
void write_io_apic_mask24 __P((int, u_int32_t));
#if defined(READY)
void clr_io_apic_mask24 __P((int, u_int32_t));
void set_io_apic_mask24 __P((int, u_int32_t));
#endif /* READY */
void set_apic_timer __P((int));
int read_apic_timer __P((void));
void u_sleep __P((int));
/* global data in init_smp.c */
extern int smp_active;
extern int invltlb_ok;
/* 'private' global data in locore.s */
extern volatile u_int cpuid;
extern volatile u_int cpu_lockid;
extern volatile u_int other_cpus;
#endif /* SMP || APIC_IO */
#endif /* KERNEL */
#endif /* _MACHINE_SMP_H_ */