208 lines
5.4 KiB
C
208 lines
5.4 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
|
|
|
|
#if defined(SMP) && !defined(APIC_IO)
|
|
# error APIC_IO required for SMP, add "options APIC_IO" to your config file.
|
|
#endif /* SMP && !APIC_IO */
|
|
|
|
/* Number of CPUs. */
|
|
#if defined(SMP) && !defined(NCPU)
|
|
# define NCPU 2
|
|
#endif /* SMP && NCPU */
|
|
|
|
/* Number of IO APICs. */
|
|
#if defined(APIC_IO) && !defined(NAPIC)
|
|
# define NAPIC 2
|
|
#endif /* SMP && NAPIC */
|
|
|
|
|
|
#if defined(SMP) || defined(APIC_IO)
|
|
|
|
#ifndef LOCORE
|
|
|
|
/*
|
|
* For sending values to POST displays.
|
|
* XXX FIXME: where does this really belong, isa.h/isa.c perhaps?
|
|
*/
|
|
extern int current_postcode; /** XXX currently in mp_machdep.c */
|
|
#define POSTCODE(X) current_postcode = (X), \
|
|
outb(0x80, current_postcode)
|
|
#define POSTCODE_LO(X) current_postcode &= 0xf0, \
|
|
current_postcode |= ((X) & 0x0f), \
|
|
outb(0x80, current_postcode)
|
|
#define POSTCODE_HI(X) current_postcode &= 0x0f, \
|
|
current_postcode |= (((X) << 4) & 0xf0), \
|
|
outb(0x80, current_postcode)
|
|
|
|
|
|
#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;
|
|
extern u_int isr_lock;
|
|
#ifdef RECURSIVE_MPINTRLOCK
|
|
extern u_int mpintr_lock;
|
|
#endif /* RECURSIVE_MPINTRLOCK */
|
|
|
|
/* functions in mplock.s */
|
|
void get_mplock __P((void));
|
|
void rel_mplock __P((void));
|
|
int try_mplock __P((void));
|
|
#ifdef RECURSIVE_MPINTRLOCK
|
|
void get_mpintrlock __P((void));
|
|
void rel_mpintrlock __P((void));
|
|
int try_mpintrlock __P((void));
|
|
#endif /* RECURSIVE_MPINTRLOCK */
|
|
|
|
/* global data in apic_vector.s */
|
|
extern volatile u_int stopped_cpus;
|
|
extern volatile u_int started_cpus;
|
|
|
|
extern volatile u_int checkstate_probed_cpus;
|
|
extern volatile u_int checkstate_need_ast;
|
|
extern volatile u_int resched_cpus;
|
|
extern void (*cpustop_restartfunc) __P((void));
|
|
|
|
/* functions in apic_ipl.s */
|
|
void apic_eoi __P((void));
|
|
u_int io_apic_read __P((int, int));
|
|
void io_apic_write __P((int, int, u_int));
|
|
|
|
/* global data in mp_machdep.c */
|
|
extern int bsp_apic_ready;
|
|
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[];
|
|
#define APIC_INTMAPSIZE 24
|
|
struct apic_intmapinfo {
|
|
int ioapic;
|
|
int int_pin;
|
|
volatile void *apic_address;
|
|
int redirindex;
|
|
};
|
|
extern struct apic_intmapinfo int_to_apicintpin[];
|
|
extern u_int all_cpus;
|
|
extern struct pcb stoppcbs[];
|
|
|
|
/* 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_irq __P((int));
|
|
int pci_apic_irq __P((int, int, int));
|
|
int apic_irq __P((int, int));
|
|
int next_apic_irq __P((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 assign_apic_irq __P((int apic, int intpin, int irq));
|
|
void revoke_apic_irq __P((int irq));
|
|
void bsp_apic_configure __P((void));
|
|
void init_secondary __P((void));
|
|
void smp_invltlb __P((void));
|
|
int stop_cpus __P((u_int));
|
|
int restart_cpus __P((u_int));
|
|
#ifdef BETTER_CLOCK
|
|
void forward_statclock __P((int pscnt));
|
|
void forward_hardclock __P((int pscnt));
|
|
#endif /* BETTER_CLOCK */
|
|
void forward_signal __P((struct proc *));
|
|
void forward_roundrobin __P((void));
|
|
#ifdef APIC_INTR_REORDER
|
|
void set_lapic_isrloc __P((int, int));
|
|
#endif /* APIC_INTR_REORDER */
|
|
void smp_rendezvous_action __P((void));
|
|
void smp_rendezvous __P((void (*)(void *),
|
|
void (*)(void *),
|
|
void (*)(void *),
|
|
void *arg));
|
|
|
|
/* global data in mpapic.c */
|
|
extern volatile lapic_t lapic;
|
|
extern volatile ioapic_t *ioapic[];
|
|
|
|
/* functions in mpapic.c */
|
|
void apic_dump __P((char*));
|
|
void apic_initialize __P((void));
|
|
void imen_dump __P((void));
|
|
int apic_ipi __P((int, int, int));
|
|
int selected_apic_ipi __P((u_int, int, int));
|
|
int io_apic_setup __P((int));
|
|
void io_apic_set_id __P((int, int));
|
|
int io_apic_get_id __P((int));
|
|
int ext_int_setup __P((int, int));
|
|
|
|
#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 invltlb_ok;
|
|
extern int smp_active;
|
|
extern int smp_started;
|
|
extern volatile int smp_idle_loops;
|
|
|
|
#endif /* !LOCORE */
|
|
#else /* !SMP && !APIC_IO */
|
|
|
|
/*
|
|
* Create dummy MP lock empties
|
|
*/
|
|
|
|
static __inline void
|
|
get_mplock(void)
|
|
{
|
|
}
|
|
|
|
static __inline void
|
|
rel_mplock(void)
|
|
{
|
|
}
|
|
|
|
#endif
|
|
|
|
#endif /* _KERNEL */
|
|
#endif /* _MACHINE_SMP_H_ */
|