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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 _MACHINE_SMP_H_
#define _MACHINE_SMP_H_
#ifdef _KERNEL
#if defined(SMP) && defined(I386_CPU) && !defined(COMPILING_LINT)
#error SMP not supported with I386_CPU
#endif
#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(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 <sys/bus.h> /* XXX */
#include <machine/apic.h>
#include <machine/frame.h>
#include <i386/isa/icu.h>
#include <i386/isa/intr_machdep.h>
/*
* Interprocessor interrupts for SMP.
*/
#define IPI_INVLTLB XINVLTLB_OFFSET
#define IPI_RENDEZVOUS XRENDEZVOUS_OFFSET
#define IPI_AST XCPUAST_OFFSET
#define IPI_STOP XCPUSTOP_OFFSET
#define IPI_HARDCLOCK XHARDCLOCK_OFFSET
#define IPI_STATCLOCK XSTATCLOCK_OFFSET
/* global data in mpboot.s */
extern int bootMP_size;
/* functions in mpboot.s */
void bootMP __P((void));
/* global data in mp_machdep.c */
extern int bsp_apic_ready;
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 32
struct apic_intmapinfo {
int ioapic;
int int_pin;
volatile void *apic_address;
int redirindex;
};
extern struct apic_intmapinfo int_to_apicintpin[];
extern struct pcb stoppcbs[];
/* functions in mp_machdep.c */
void i386_mp_probe __P((void));
u_int mp_bootaddress __P((u_int));
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));
void forward_statclock __P((void));
void forwarded_statclock __P((struct trapframe frame));
void forward_hardclock __P((void));
void forwarded_hardclock __P((struct trapframe frame));
void ipi_selected __P((u_int cpus, u_int ipi));
void ipi_all __P((u_int ipi));
void ipi_all_but_self __P((u_int ipi));
void ipi_self __P((u_int ipi));
#ifdef APIC_INTR_REORDER
void set_lapic_isrloc __P((int, int));
#endif /* APIC_INTR_REORDER */
/* 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_setup_intpin __P((int, int));
void io_apic_set_id __P((int, int));
int io_apic_get_id __P((int));
int ext_int_setup __P((int, int));
void set_apic_timer __P((int));
int read_apic_timer __P((void));
void u_sleep __P((int));
u_int io_apic_read __P((int, int));
void io_apic_write __P((int, int, u_int));
/* global data in init_smp.c */
extern int invltlb_ok;
extern volatile int smp_idle_loops;
#endif /* !LOCORE */
#endif /* SMP && !APIC_IO */
#endif /* _KERNEL */
#endif /* _MACHINE_SMP_H_ */
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