[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		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
/*
 * NOTE:
 * - Keep size of apic_intmapinfo power of 2
 * - Update IOAPIC_IM_SZSHIFT after changing apic_intmapinfo size
 */
struct apic_intmapinfo {
  	int ioapic;
	int int_pin;
	volatile void *apic_address;
	int redirindex;
	uint32_t flags;		/* IOAPIC_IM_FLAG_ */
	uint32_t pad[3];
};
#define IOAPIC_IM_SZSHIFT	5

#define IOAPIC_IM_FLAG_LEVEL	0x1	/* default to edge trigger */
#define IOAPIC_IM_FLAG_MASKED	0x2

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 *);

#ifndef _SYS_QUEUE_H_
#include <sys/queue.h>
#endif

struct lapic_enumerator {
	int	lapic_prio;
	TAILQ_ENTRY(lapic_enumerator) lapic_link;
	int	(*lapic_probe)(struct lapic_enumerator *);
	void	(*lapic_enumerate)(struct lapic_enumerator *);
};

#define LAPIC_ENUM_PRIO_MPTABLE	20
#define LAPIC_ENUM_PRIO_MADT	40

/* 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);
void	lapic_config(void);
void	lapic_enumerator_register(struct lapic_enumerator *);

#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	get_apic_timer_frequency(void);
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 io_apic_address[];
	63	extern u_int32_t cpu_apic_versions[];
	64	extern u_int32_t *io_apic_versions;
	65	extern int cpu_num_to_apic_id[];
	66	extern int io_num_to_apic_id[];
	67	extern int apic_id_to_logical[];
fe5f755a	68	#define APIC_INTMAPSIZE 32
3d911e0a SZ	69	/*
	70	* NOTE:
	71	* - Keep size of apic_intmapinfo power of 2
	72	* - Update IOAPIC_IM_SZSHIFT after changing apic_intmapinfo size
	73	*/
984263bc MD	74	struct apic_intmapinfo {
	75	int ioapic;
	76	int int_pin;
	77	volatile void *apic_address;
	78	int redirindex;
0f546930 SZ	79	uint32_t flags; /* IOAPIC_IM_FLAG_ */
0f546930 SZ	80	uint32_t pad[3];
984263bc	81	};
0f546930 SZ	82	#define IOAPIC_IM_SZSHIFT 5
	83
	84	#define IOAPIC_IM_FLAG_LEVEL 0x1 /* default to edge trigger */
ea689d1c	85	#define IOAPIC_IM_FLAG_MASKED 0x2
0f546930	86
984263bc	87	extern struct apic_intmapinfo int_to_apicintpin[];
984263bc MD	88	extern struct pcb stoppcbs[];
	89
	90	/* functions in mp_machdep.c */
f13b5eec	91	void *permanent_io_mapping(vm_paddr_t);
3ae0cd58	92	u_int mp_bootaddress (u_int);
3ae0cd58 RG	93	void mp_start (void);
3ae0cd58 RG	94	void mp_announce (void);
a9112655	95	void mp_set_cpuids (int, int);
3ae0cd58 RG	96	u_int isa_apic_mask (u_int);
	97	int isa_apic_irq (int);
	98	int pci_apic_irq (int, int, int);
	99	int apic_irq (int, int);
	100	int next_apic_irq (int);
	101	int undirect_isa_irq (int);
	102	int undirect_pci_irq (int);
	103	int apic_bus_type (int);
	104	int apic_src_bus_id (int, int);
	105	int apic_src_bus_irq (int, int);
	106	int apic_int_type (int, int);
	107	int apic_trigger (int, int);
	108	int apic_polarity (int, int);
	109	void assign_apic_irq (int apic, int intpin, int irq);
	110	void revoke_apic_irq (int irq);
3ae0cd58 RG	111	void init_secondary (void);
	112	int stop_cpus (u_int);
	113	void ap_init (void);
	114	int restart_cpus (u_int);
3ae0cd58	115	void forward_signal (struct proc *);
984263bc	116
281d9482 SZ	117	#ifndef _SYS_QUEUE_H_
	118	#include <sys/queue.h>
	119	#endif
	120
	121	struct lapic_enumerator {
	122	int lapic_prio;
	123	TAILQ_ENTRY(lapic_enumerator) lapic_link;
	124	int (lapic_probe)(struct lapic_enumerator );
	125	void (lapic_enumerate)(struct lapic_enumerator );
	126	};
	127
	128	#define LAPIC_ENUM_PRIO_MPTABLE 20
	129	#define LAPIC_ENUM_PRIO_MADT 40
	130
984263bc MD	131	/* global data in mpapic.c */
	132	extern volatile lapic_t lapic;
	133	extern volatile ioapic_t **ioapic;
	134
	135	/* functions in mpapic.c */
3ae0cd58	136	void apic_dump (char*);
b52c8db0	137	void apic_initialize (boolean_t);
3ae0cd58 RG	138	void imen_dump (void);
3ae0cd58 RG	139	int apic_ipi (int, int, int);
41a01a4d MD	140	void selected_apic_ipi (u_int, int, int);
	141	void single_apic_ipi(int cpu, int vector, int delivery_mode);
	142	int single_apic_ipi_passive(int cpu, int vector, int delivery_mode);
3ae0cd58 RG	143	int io_apic_setup (int);
	144	void io_apic_setup_intpin (int, int);
	145	void io_apic_set_id (int, int);
	146	int io_apic_get_id (int);
	147	int ext_int_setup (int, int);
281d9482 SZ	148	void lapic_config(void);
281d9482 SZ	149	void lapic_enumerator_register(struct lapic_enumerator *);
85fd9f87	150
984263bc	151	#if defined(READY)
3ae0cd58 RG	152	void clr_io_apic_mask24 (int, u_int32_t);
3ae0cd58 RG	153	void set_io_apic_mask24 (int, u_int32_t);
984263bc MD	154	#endif /* READY */
984263bc MD	155
3ae0cd58	156	void set_apic_timer (int);
bb467734	157	int get_apic_timer_frequency(void);
3ae0cd58 RG	158	int read_apic_timer (void);
	159	void u_sleep (int);
	160	void cpu_send_ipiq (int);
41a01a4d	161	int cpu_send_ipiq_passive (int);
984263bc MD	162
984263bc MD	163	/* global data in init_smp.c */
0f7a3396	164	extern cpumask_t smp_active_mask;
984263bc MD	165
984263bc MD	166	#endif /* !LOCORE */
97359a5b	167	#else /* !SMP */
984263bc	168
0f7a3396	169	#define smp_active_mask 1 /* smp_active_mask always 1 on UP machines */
75cdbe6c	170
984263bc MD	171	#endif
	172
	173	#endif /* _KERNEL */
	174	#endif /* _MACHINE_SMP_H_ */