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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/platform/vkernel/include/smp.h,v 1.2 2007/06/18 18:57:13 josepht Exp $
	11	*
	12	*/
	13
	14	#ifndef _MACHINE_SMP_H_
	15	#define _MACHINE_SMP_H_
	16
	17	#ifdef _KERNEL
	18
	19	#if defined(SMP)
	20
	21	#ifndef LOCORE
	22
	23	#if 0
	24
	25	/*
	26	* For sending values to POST displays.
	27	* XXX FIXME: where does this really belong, isa.h/isa.c perhaps?
	28	*/
	29	extern int current_postcode; /** XXX currently in mp_machdep.c */
	30	#define POSTCODE(X) current_postcode = (X), \
	31	outb(0x80, current_postcode)
	32	#define POSTCODE_LO(X) current_postcode &= 0xf0, \
	33	current_postcode \|= ((X) & 0x0f), \
	34	outb(0x80, current_postcode)
	35	#define POSTCODE_HI(X) current_postcode &= 0x0f, \
	36	current_postcode \|= (((X) << 4) & 0xf0), \
	37	outb(0x80, current_postcode)
	38
	39
	40	#include <machine_base/apic/apicreg.h>
	41	#include <machine/pcb.h>
	42
	43	/* global data in mpboot.s */
	44	extern int bootMP_size;
	45
	46	/* functions in mpboot.s */
	47	void bootMP (void);
	48
	49	#endif
	50
	51	/* global data in apic_vector.s */
	52	extern volatile u_int stopped_cpus;
	53	#if 0
	54	extern volatile u_int started_cpus;
	55
	56	extern volatile u_int checkstate_probed_cpus;
	57	extern void (*cpustop_restartfunc) (void);
	58
	59	/* functions in apic_ipl.s */
	60	void apic_eoi (void);
	61	u_int io_apic_read (int, int);
	62	void io_apic_write (int, int, u_int);
	63
	64	#endif
	65
	66	#if 0
	67	/* global data in mp_machdep.c */
	68	extern int bsp_apic_ready;
	69	extern int mp_naps;
	70	extern int mp_nbusses;
	71	extern int mp_napics;
	72	extern int boot_cpu_id;
	73	extern vm_offset_t cpu_apic_address;
	74	extern vm_offset_t io_apic_address[];
	75	extern u_int32_t cpu_apic_versions[];
	76	extern u_int32_t *io_apic_versions;
	77	extern int cpu_num_to_apic_id[];
	78	extern int io_num_to_apic_id[];
	79	extern int apic_id_to_logical[];
	80	#endif
	81
	82	#if 0
	83	#define APIC_INTMAPSIZE 24
	84	struct apic_intmapinfo {
	85	int ioapic;
	86	int int_pin;
	87	volatile void *apic_address;
	88	int redirindex;
	89	};
	90	extern struct apic_intmapinfo int_to_apicintpin[];
	91	extern struct pcb stoppcbs[];
	92
	93	#endif
	94
	95	#if 0
	96	/* functions in mp_machdep.c */
	97	void *permanent_io_mapping(vm_paddr_t);
	98	u_int mp_bootaddress (u_int);
	99	int mp_probe (void);
	100	#endif
	101	void mp_start (void);
	102	void mp_announce (void);
	103	#if 0
	104	u_int isa_apic_mask (u_int);
	105	int isa_apic_irq (int);
	106	int pci_apic_irq (int, int, int);
	107	int apic_irq (int, int);
	108	int next_apic_irq (int);
	109	int undirect_isa_irq (int);
	110	int undirect_pci_irq (int);
	111	int apic_bus_type (int);
	112	int apic_src_bus_id (int, int);
	113	int apic_src_bus_irq (int, int);
	114	int apic_int_type (int, int);
	115	int apic_trigger (int, int);
	116	int apic_polarity (int, int);
	117	void assign_apic_irq (int apic, int intpin, int irq);
	118	void revoke_apic_irq (int irq);
	119	void init_secondary (void);
	120	#endif
	121	int stop_cpus (u_int);
	122	void ap_init (void);
	123	int restart_cpus (u_int);
	124	#if 0
	125	void forward_signal (struct proc *);
	126
	127	#endif
	128
	129	#if 0
	130	/* global data in mpapic.c */
	131	extern volatile lapic_t lapic;
	132	extern volatile ioapic_t **ioapic;
	133	#endif
	134
	135	/* functions in mpapic.c */
	136	#if 0
	137	void apic_dump (char*);
	138	void apic_initialize (void);
	139	void imen_dump (void);
	140	int apic_ipi (int, int, int);
	141	void selected_apic_ipi (u_int, int, int);
	142	void single_apic_ipi(int cpu, int vector, int delivery_mode);
	143	int single_apic_ipi_passive(int cpu, int vector, int delivery_mode);
	144	int io_apic_setup (int);
	145	void io_apic_setup_intpin (int, int);
	146	void io_apic_set_id (int, int);
	147	int io_apic_get_id (int);
	148	int ext_int_setup (int, int);
	149	#endif
	150
	151	#if 0
	152	void clr_io_apic_mask24 (int, u_int32_t);
	153	void set_io_apic_mask24 (int, u_int32_t);
	154	#endif
	155
	156	#if 0
	157	void set_apic_timer (int);
	158	int read_apic_timer (void);
	159	void u_sleep (int);
	160	#endif
	161	void cpu_send_ipiq (int);
	162	int cpu_send_ipiq_passive (int);
	163
	164	/* global data in init_smp.c */
	165	extern cpumask_t smp_active_mask;
	166
	167	#endif /* !LOCORE */
	168	#else /* !SMP */
	169
	170	#define smp_active_mask 1 /* smp_active_mask always 1 on UP machines */
	171
	172	#endif
	173
	174	#endif /* _KERNEL */
	175	#endif /* _MACHINE_SMP_H_ */