[dragonfly.git] / sys / platform / pc32 / include / smp.h

/*
 * ----------------------------------------------------------------------------
 * "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: src/sys/i386/include/smp.h,v 1.50.2.5 2001/02/13 22:32:45 tegge Exp $
 * $DragonFly: src/sys/platform/pc32/include/smp.h,v 1.20 2006/11/07 06:43:24 dillon Exp $
 *
 */

#ifndef _MACHINE_SMP_H_
#define _MACHINE_SMP_H_

#ifdef _KERNEL

#if defined(SMP)

#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_base/apic/apicreg.h>
#include <machine/pcb.h>

/* global data in mpboot.s */
extern int			bootMP_size;

/* functions in mpboot.s */
void	bootMP			(void);

/* 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 void (*cpustop_restartfunc) (void);

/* functions in apic_ipl.s */
void	apic_eoi		(void);
u_int	io_apic_read		(int, int);
void	io_apic_write		(int, int, u_int);

/* global data in mp_machdep.c */
extern int			mp_naps;
extern int			mp_napics;
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 struct pcb		stoppcbs[];

/* functions in mp_machdep.c */
void	*permanent_io_mapping(vm_paddr_t);
u_int	mp_bootaddress		(u_int);
void	mp_start		(void);
void	mp_announce		(void);
void	mp_set_cpuids		(int, int);
u_int	isa_apic_mask		(u_int);
int	isa_apic_irq		(int);
int	pci_apic_irq		(int, int, int);
int	apic_irq		(int, int);
int	next_apic_irq		(int);
int	undirect_isa_irq	(int);
int	undirect_pci_irq	(int);
int	apic_bus_type		(int);
int	apic_src_bus_id		(int, int);
int	apic_src_bus_irq	(int, int);
int	apic_int_type		(int, int);
int	apic_trigger		(int, int);
int	apic_polarity		(int, int);
void	assign_apic_irq		(int apic, int intpin, int irq);
void	revoke_apic_irq		(int irq);
void	init_secondary		(void);
int	stop_cpus		(u_int);
void	ap_init			(void);
int	restart_cpus		(u_int);
void	forward_signal		(struct proc *);

/* global data in mpapic.c */
extern volatile lapic_t		lapic;
extern volatile ioapic_t	**ioapic;

/* functions in mpapic.c */
void	apic_dump		(char*);
void	apic_initialize		(boolean_t);
void	imen_dump		(void);
int	apic_ipi		(int, int, int);
void	selected_apic_ipi	(u_int, int, int);
void	single_apic_ipi(int cpu, int vector, int delivery_mode);
int	single_apic_ipi_passive(int cpu, int vector, int delivery_mode);
int	io_apic_setup		(int);
void	io_apic_setup_intpin	(int, int);
void	io_apic_set_id		(int, int);
int	io_apic_get_id		(int);
int	ext_int_setup		(int, int);

/* functions in mp_madt.c */
vm_paddr_t	madt_probe(void);
vm_offset_t	madt_pass1(vm_paddr_t);
int		madt_pass2(vm_paddr_t, int);

#if defined(READY)
void	clr_io_apic_mask24	(int, u_int32_t);
void	set_io_apic_mask24	(int, u_int32_t);
#endif /* READY */

void	set_apic_timer		(int);
int	read_apic_timer		(void);
void	u_sleep			(int);
void	cpu_send_ipiq		(int);
int	cpu_send_ipiq_passive	(int);

/* global data in init_smp.c */
extern cpumask_t		smp_active_mask;

#endif /* !LOCORE */
#else	/* !SMP */

#define	smp_active_mask	1	/* smp_active_mask always 1 on UP machines */

#endif

#endif /* _KERNEL */
#endif /* _MACHINE_SMP_H_ */
Commit	Line	Data
984263bc MD	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 $
a9295349	10	* $DragonFly: src/sys/platform/pc32/include/smp.h,v 1.20 2006/11/07 06:43:24 dillon Exp $
984263bc MD	11	*
	12	*/
	13
	14	#ifndef _MACHINE_SMP_H_
	15	#define _MACHINE_SMP_H_
	16
	17	#ifdef _KERNEL
	18
97359a5b	19	#if defined(SMP)
984263bc MD	20
	21	#ifndef LOCORE
	22
	23	/*
	24	* For sending values to POST displays.
	25	* XXX FIXME: where does this really belong, isa.h/isa.c perhaps?
	26	*/
	27	extern int current_postcode; /** XXX currently in mp_machdep.c */
	28	#define POSTCODE(X) current_postcode = (X), \
	29	outb(0x80, current_postcode)
	30	#define POSTCODE_LO(X) current_postcode &= 0xf0, \
	31	current_postcode \|= ((X) & 0x0f), \
	32	outb(0x80, current_postcode)
	33	#define POSTCODE_HI(X) current_postcode &= 0x0f, \
	34	current_postcode \|= (((X) << 4) & 0xf0), \
	35	outb(0x80, current_postcode)
	36
	37
a9295349	38	#include <machine_base/apic/apicreg.h>
7949232e	39	#include <machine/pcb.h>
984263bc MD	40
	41	/* global data in mpboot.s */
	42	extern int bootMP_size;
	43
	44	/* functions in mpboot.s */
3ae0cd58	45	void bootMP (void);
984263bc	46
984263bc MD	47	/* global data in apic_vector.s */
	48	extern volatile u_int stopped_cpus;
	49	extern volatile u_int started_cpus;
	50
	51	extern volatile u_int checkstate_probed_cpus;
3ae0cd58	52	extern void (*cpustop_restartfunc) (void);
984263bc MD	53
984263bc MD	54	/* functions in apic_ipl.s */
3ae0cd58 RG	55	void apic_eoi (void);
	56	u_int io_apic_read (int, int);
	57	void io_apic_write (int, int, u_int);
984263bc MD	58
984263bc MD	59	/* global data in mp_machdep.c */
984263bc	60	extern int mp_naps;
984263bc	61	extern int mp_napics;
984263bc MD	62	extern vm_offset_t cpu_apic_address;
	63	extern vm_offset_t io_apic_address[];
	64	extern u_int32_t cpu_apic_versions[];
	65	extern u_int32_t *io_apic_versions;
	66	extern int cpu_num_to_apic_id[];
	67	extern int io_num_to_apic_id[];
	68	extern int apic_id_to_logical[];
	69	#define APIC_INTMAPSIZE 24
	70	struct apic_intmapinfo {
	71	int ioapic;
	72	int int_pin;
	73	volatile void *apic_address;
	74	int redirindex;
	75	};
	76	extern struct apic_intmapinfo int_to_apicintpin[];
984263bc MD	77	extern struct pcb stoppcbs[];
	78
	79	/* functions in mp_machdep.c */
f13b5eec	80	void *permanent_io_mapping(vm_paddr_t);
3ae0cd58	81	u_int mp_bootaddress (u_int);
3ae0cd58 RG	82	void mp_start (void);
3ae0cd58 RG	83	void mp_announce (void);
a9112655	84	void mp_set_cpuids (int, int);
3ae0cd58 RG	85	u_int isa_apic_mask (u_int);
	86	int isa_apic_irq (int);
	87	int pci_apic_irq (int, int, int);
	88	int apic_irq (int, int);
	89	int next_apic_irq (int);
	90	int undirect_isa_irq (int);
	91	int undirect_pci_irq (int);
	92	int apic_bus_type (int);
	93	int apic_src_bus_id (int, int);
	94	int apic_src_bus_irq (int, int);
	95	int apic_int_type (int, int);
	96	int apic_trigger (int, int);
	97	int apic_polarity (int, int);
	98	void assign_apic_irq (int apic, int intpin, int irq);
	99	void revoke_apic_irq (int irq);
3ae0cd58 RG	100	void init_secondary (void);
	101	int stop_cpus (u_int);
	102	void ap_init (void);
	103	int restart_cpus (u_int);
3ae0cd58	104	void forward_signal (struct proc *);
984263bc MD	105
	106	/* global data in mpapic.c */
	107	extern volatile lapic_t lapic;
	108	extern volatile ioapic_t **ioapic;
	109
	110	/* functions in mpapic.c */
3ae0cd58	111	void apic_dump (char*);
b52c8db0	112	void apic_initialize (boolean_t);
3ae0cd58 RG	113	void imen_dump (void);
3ae0cd58 RG	114	int apic_ipi (int, int, int);
41a01a4d MD	115	void selected_apic_ipi (u_int, int, int);
	116	void single_apic_ipi(int cpu, int vector, int delivery_mode);
	117	int single_apic_ipi_passive(int cpu, int vector, int delivery_mode);
3ae0cd58 RG	118	int io_apic_setup (int);
	119	void io_apic_setup_intpin (int, int);
	120	void io_apic_set_id (int, int);
	121	int io_apic_get_id (int);
	122	int ext_int_setup (int, int);
984263bc	123
85fd9f87	124	/* functions in mp_madt.c */
223bf214 SZ	125	vm_paddr_t madt_probe(void);
	126	vm_offset_t madt_pass1(vm_paddr_t);
	127	int madt_pass2(vm_paddr_t, int);
85fd9f87	128
984263bc	129	#if defined(READY)
3ae0cd58 RG	130	void clr_io_apic_mask24 (int, u_int32_t);
3ae0cd58 RG	131	void set_io_apic_mask24 (int, u_int32_t);
984263bc MD	132	#endif /* READY */
984263bc MD	133
3ae0cd58 RG	134	void set_apic_timer (int);
	135	int read_apic_timer (void);
	136	void u_sleep (int);
	137	void cpu_send_ipiq (int);
41a01a4d	138	int cpu_send_ipiq_passive (int);
984263bc MD	139
984263bc MD	140	/* global data in init_smp.c */
0f7a3396	141	extern cpumask_t smp_active_mask;
984263bc MD	142
984263bc MD	143	#endif /* !LOCORE */
97359a5b	144	#else /* !SMP */
984263bc	145
0f7a3396	146	#define smp_active_mask 1 /* smp_active_mask always 1 on UP machines */
75cdbe6c	147
984263bc MD	148	#endif
	149
	150	#endif /* _KERNEL */
	151	#endif /* _MACHINE_SMP_H_ */