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Commit	Line	Data
	1	/*
	2	* ----------------------------------------------------------------------------
	3	* "THE BEER-WARE LICENSE" (Revision 42):
	4	* <phk@FreeBSD.org> wrote this file. As long as you retain this notice you
	5	* can do whatever you want with this stuff. If we meet some day, and you think
	6	* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
	7	* ----------------------------------------------------------------------------
	8	*
	9	* $FreeBSD: src/sys/i386/include/smp.h,v 1.50.2.5 2001/02/13 22:32:45 tegge Exp $
	10	* $DragonFly: src/sys/i386/include/Attic/smp.h,v 1.12 2005/06/27 18:37:55 dillon Exp $
	11	*
	12	*/
	13
	14	#ifndef _MACHINE_SMP_H_
	15	#define _MACHINE_SMP_H_
	16
	17	#ifdef _KERNEL
	18
	19	#if defined(SMP) && !defined(APIC_IO)
	20	# error APIC_IO required for SMP, add "options APIC_IO" to your config file.
	21	#endif /* SMP && !APIC_IO */
	22
	23	#if defined(SMP) \|\| defined(APIC_IO)
	24
	25	#ifndef LOCORE
	26
	27	/*
	28	* For sending values to POST displays.
	29	* XXX FIXME: where does this really belong, isa.h/isa.c perhaps?
	30	*/
	31	extern int current_postcode; /** XXX currently in mp_machdep.c */
	32	#define POSTCODE(X) current_postcode = (X), \
	33	outb(0x80, current_postcode)
	34	#define POSTCODE_LO(X) current_postcode &= 0xf0, \
	35	current_postcode \|= ((X) & 0x0f), \
	36	outb(0x80, current_postcode)
	37	#define POSTCODE_HI(X) current_postcode &= 0x0f, \
	38	current_postcode \|= (((X) << 4) & 0xf0), \
	39	outb(0x80, current_postcode)
	40
	41
	42	#include "apicreg.h"
	43
	44	/* global data in mpboot.s */
	45	extern int bootMP_size;
	46
	47	/* functions in mpboot.s */
	48	void bootMP (void);
	49
	50	/* global data in apic_vector.s */
	51	extern volatile u_int stopped_cpus;
	52	extern volatile u_int started_cpus;
	53
	54	extern volatile u_int checkstate_probed_cpus;
	55	extern void (*cpustop_restartfunc) (void);
	56
	57	/* functions in apic_ipl.s */
	58	void apic_eoi (void);
	59	u_int io_apic_read (int, int);
	60	void io_apic_write (int, int, u_int);
	61
	62	/* global data in mp_machdep.c */
	63	extern int bsp_apic_ready;
	64	extern int mp_naps;
	65	extern int mp_nbusses;
	66	extern int mp_napics;
	67	extern int mp_picmode;
	68	extern int boot_cpu_id;
	69	extern vm_offset_t cpu_apic_address;
	70	extern vm_offset_t io_apic_address[];
	71	extern u_int32_t cpu_apic_versions[];
	72	extern u_int32_t *io_apic_versions;
	73	extern int cpu_num_to_apic_id[];
	74	extern int io_num_to_apic_id[];
	75	extern int apic_id_to_logical[];
	76	#define APIC_INTMAPSIZE 24
	77	struct apic_intmapinfo {
	78	int ioapic;
	79	int int_pin;
	80	volatile void *apic_address;
	81	int redirindex;
	82	};
	83	extern struct apic_intmapinfo int_to_apicintpin[];
	84	extern struct pcb stoppcbs[];
	85
	86	/* functions in mp_machdep.c */
	87	u_int mp_bootaddress (u_int);
	88	int mp_probe (void);
	89	void mp_start (void);
	90	void mp_announce (void);
	91	u_int isa_apic_mask (u_int);
	92	int isa_apic_irq (int);
	93	int pci_apic_irq (int, int, int);
	94	int apic_irq (int, int);
	95	int next_apic_irq (int);
	96	int undirect_isa_irq (int);
	97	int undirect_pci_irq (int);
	98	int apic_bus_type (int);
	99	int apic_src_bus_id (int, int);
	100	int apic_src_bus_irq (int, int);
	101	int apic_int_type (int, int);
	102	int apic_trigger (int, int);
	103	int apic_polarity (int, int);
	104	void assign_apic_irq (int apic, int intpin, int irq);
	105	void revoke_apic_irq (int irq);
	106	void bsp_apic_configure (void);
	107	void init_secondary (void);
	108	int stop_cpus (u_int);
	109	void ap_init (void);
	110	int restart_cpus (u_int);
	111	void forward_signal (struct proc *);
	112	#ifdef APIC_INTR_REORDER
	113	void set_lapic_isrloc (int, int);
	114	#endif /* APIC_INTR_REORDER */
	115	void smp_rendezvous_action (void);
	116	void smp_rendezvous (void ()(void ),
	117	void ()(void ),
	118	void ()(void ),
	119	void *arg);
	120
	121	/* global data in mpapic.c */
	122	extern volatile lapic_t lapic;
	123	extern volatile ioapic_t **ioapic;
	124
	125	/* functions in mpapic.c */
	126	void apic_dump (char*);
	127	void apic_initialize (void);
	128	void imen_dump (void);
	129	int apic_ipi (int, int, int);
	130	void selected_apic_ipi (u_int, int, int);
	131	void single_apic_ipi(int cpu, int vector, int delivery_mode);
	132	int single_apic_ipi_passive(int cpu, int vector, int delivery_mode);
	133	int io_apic_setup (int);
	134	void io_apic_setup_intpin (int, int);
	135	void io_apic_set_id (int, int);
	136	int io_apic_get_id (int);
	137	int ext_int_setup (int, int);
	138
	139	#if defined(READY)
	140	void clr_io_apic_mask24 (int, u_int32_t);
	141	void set_io_apic_mask24 (int, u_int32_t);
	142	#endif /* READY */
	143
	144	void set_apic_timer (int);
	145	int read_apic_timer (void);
	146	void u_sleep (int);
	147	void cpu_send_ipiq (int);
	148	int cpu_send_ipiq_passive (int);
	149
	150	/* global data in init_smp.c */
	151	extern cpumask_t smp_active_mask;
	152
	153	#endif /* !LOCORE */
	154	#else /* !SMP && !APIC_IO */
	155
	156	#define smp_active_mask 1 /* smp_active_mask always 1 on UP machines */
	157
	158	#endif
	159
	160	#endif /* _KERNEL */
	161	#endif /* _MACHINE_SMP_H_ */