[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 cpumask_t	stopped_cpus;
extern volatile cpumask_t	started_cpus;

extern volatile u_int		checkstate_probed_cpus;
extern void (*cpustop_restartfunc) (void);

/* functions in apic_ipl.s */
u_int	ioapic_read		(volatile void *, int);
void	ioapic_write		(volatile void *, int, u_int);

/* global data in mp_machdep.c */
extern int			imcr_present;
extern int			mp_naps;
extern u_int32_t		cpu_apic_versions[];
extern int			cpu_num_to_apic_id[];
extern int			apic_id_to_logical[];

#define APIC_INTMAPSIZE 192
/*
 * 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	*ioapic_map(vm_paddr_t);
u_int	mp_bootaddress		(u_int);
void	mp_start		(void);
void	mp_announce		(void);
void	mp_set_cpuids		(int, int);
void	init_secondary		(void);
int	stop_cpus		(cpumask_t);
void	ap_init			(void);
int	restart_cpus		(cpumask_t);
void	forward_signal		(struct proc *);
int	mptable_pci_int_route(int, int, int, int);
void	mptable_pci_int_dump(void);

#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

struct ioapic_enumerator {
	int	ioapic_prio;
	TAILQ_ENTRY(ioapic_enumerator) ioapic_link;
	int	(*ioapic_probe)(struct ioapic_enumerator *);
	void	(*ioapic_enumerate)(struct ioapic_enumerator *);
};

#define IOAPIC_ENUM_PRIO_MPTABLE	20
#define IOAPIC_ENUM_PRIO_MADT		40

/* global data in mpapic.c */
extern volatile lapic_t		lapic;
extern int			lapic_id_max;

#ifndef _SYS_BUS_H_
#include <sys/bus.h>
#endif

/* functions in mpapic.c */
void	apic_dump		(char*);
void	lapic_init		(boolean_t);
int	apic_ipi		(int, int, int);
void	selected_apic_ipi	(cpumask_t, 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);
void	lapic_config(void);
void	lapic_enumerator_register(struct lapic_enumerator *);
void	ioapic_config(void);
void	ioapic_enumerator_register(struct ioapic_enumerator *);
void	ioapic_add(void *, int, int);
void	ioapic_intsrc(int, int, enum intr_trigger, enum intr_polarity);
void	*ioapic_gsi_ioaddr(int);
int	ioapic_gsi_pin(int);
void	ioapic_pin_setup(void *, int, int,
	    enum intr_trigger, enum intr_polarity);
void	ioapic_extpin_setup(void *, int, int);
int	ioapic_extpin_gsi(void);
int	ioapic_gsi(int, int);

extern int apic_io_enable;

#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	47	/* global data in apic_vector.s */
da23a592 MD	48	extern volatile cpumask_t stopped_cpus;
da23a592 MD	49	extern volatile cpumask_t started_cpus;
984263bc MD	50
984263bc MD	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 */
e17120aa SZ	55	u_int ioapic_read (volatile void *, int);
e17120aa SZ	56	void ioapic_write (volatile void *, int, u_int);
984263bc MD	57
984263bc MD	58	/* global data in mp_machdep.c */
9d758cc4	59	extern int imcr_present;
984263bc	60	extern int mp_naps;
984263bc	61	extern u_int32_t cpu_apic_versions[];
984263bc	62	extern int cpu_num_to_apic_id[];
984263bc	63	extern int apic_id_to_logical[];
3d28c65a	64
c571da4a	65	#define APIC_INTMAPSIZE 192
3d911e0a SZ	66	/*
	67	* NOTE:
	68	* - Keep size of apic_intmapinfo power of 2
	69	* - Update IOAPIC_IM_SZSHIFT after changing apic_intmapinfo size
	70	*/
984263bc MD	71	struct apic_intmapinfo {
	72	int ioapic;
	73	int int_pin;
	74	volatile void *apic_address;
	75	int redirindex;
0f546930 SZ	76	uint32_t flags; /* IOAPIC_IM_FLAG_ */
0f546930 SZ	77	uint32_t pad[3];
984263bc	78	};
0f546930 SZ	79	#define IOAPIC_IM_SZSHIFT 5
	80
	81	#define IOAPIC_IM_FLAG_LEVEL 0x1 /* default to edge trigger */
ea689d1c	82	#define IOAPIC_IM_FLAG_MASKED 0x2
0f546930	83
984263bc	84	extern struct apic_intmapinfo int_to_apicintpin[];
984263bc MD	85	extern struct pcb stoppcbs[];
	86
	87	/* functions in mp_machdep.c */
01616f8b	88	void *ioapic_map(vm_paddr_t);
3ae0cd58	89	u_int mp_bootaddress (u_int);
3ae0cd58 RG	90	void mp_start (void);
3ae0cd58 RG	91	void mp_announce (void);
a9112655	92	void mp_set_cpuids (int, int);
3ae0cd58	93	void init_secondary (void);
da23a592	94	int stop_cpus (cpumask_t);
3ae0cd58	95	void ap_init (void);
da23a592	96	int restart_cpus (cpumask_t);
3ae0cd58	97	void forward_signal (struct proc *);
e90e7ac4 SZ	98	int mptable_pci_int_route(int, int, int, int);
e90e7ac4 SZ	99	void mptable_pci_int_dump(void);
984263bc	100
281d9482 SZ	101	#ifndef _SYS_QUEUE_H_
	102	#include <sys/queue.h>
	103	#endif
	104
	105	struct lapic_enumerator {
	106	int lapic_prio;
	107	TAILQ_ENTRY(lapic_enumerator) lapic_link;
	108	int (lapic_probe)(struct lapic_enumerator );
	109	void (lapic_enumerate)(struct lapic_enumerator );
	110	};
	111
65b2387f SZ	112	#define LAPIC_ENUM_PRIO_MPTABLE 20
	113	#define LAPIC_ENUM_PRIO_MADT 40
	114
	115	struct ioapic_enumerator {
	116	int ioapic_prio;
	117	TAILQ_ENTRY(ioapic_enumerator) ioapic_link;
	118	int (ioapic_probe)(struct ioapic_enumerator );
	119	void (ioapic_enumerate)(struct ioapic_enumerator );
	120	};
	121
	122	#define IOAPIC_ENUM_PRIO_MPTABLE 20
8589df2b	123	#define IOAPIC_ENUM_PRIO_MADT 40
281d9482	124
984263bc MD	125	/* global data in mpapic.c */
984263bc MD	126	extern volatile lapic_t lapic;
c5c405ff	127	extern int lapic_id_max;
984263bc	128
ecec8ddc SZ	129	#ifndef _SYS_BUS_H_
	130	#include <sys/bus.h>
	131	#endif
	132
984263bc	133	/* functions in mpapic.c */
3ae0cd58	134	void apic_dump (char*);
5ddeabb9	135	void lapic_init (boolean_t);
3ae0cd58	136	int apic_ipi (int, int, int);
da23a592	137	void selected_apic_ipi (cpumask_t, int, int);
41a01a4d MD	138	void single_apic_ipi(int cpu, int vector, int delivery_mode);
41a01a4d MD	139	int single_apic_ipi_passive(int cpu, int vector, int delivery_mode);
281d9482 SZ	140	void lapic_config(void);
281d9482 SZ	141	void lapic_enumerator_register(struct lapic_enumerator *);
65b2387f SZ	142	void ioapic_config(void);
65b2387f SZ	143	void ioapic_enumerator_register(struct ioapic_enumerator *);
ebf4f417	144	void ioapic_add(void *, int, int);
ae80be10	145	void ioapic_intsrc(int, int, enum intr_trigger, enum intr_polarity);
23b08e03 SZ	146	void *ioapic_gsi_ioaddr(int);
23b08e03 SZ	147	int ioapic_gsi_pin(int);
ecec8ddc SZ	148	void ioapic_pin_setup(void *, int, int,
	149	enum intr_trigger, enum intr_polarity);
	150	void ioapic_extpin_setup(void *, int, int);
6b809ec7	151	int ioapic_extpin_gsi(void);
e90e7ac4	152	int ioapic_gsi(int, int);
23b08e03	153
30c5f287	154	extern int apic_io_enable;
85fd9f87	155
984263bc	156	#if defined(READY)
3ae0cd58 RG	157	void clr_io_apic_mask24 (int, u_int32_t);
3ae0cd58 RG	158	void set_io_apic_mask24 (int, u_int32_t);
984263bc MD	159	#endif /* READY */
984263bc MD	160
3ae0cd58	161	void set_apic_timer (int);
bb467734	162	int get_apic_timer_frequency(void);
3ae0cd58 RG	163	int read_apic_timer (void);
	164	void u_sleep (int);
	165	void cpu_send_ipiq (int);
41a01a4d	166	int cpu_send_ipiq_passive (int);
984263bc MD	167
984263bc MD	168	/* global data in init_smp.c */
0f7a3396	169	extern cpumask_t smp_active_mask;
984263bc MD	170
984263bc MD	171	#endif /* !LOCORE */
97359a5b	172	#else /* !SMP */
984263bc	173
0f7a3396	174	#define smp_active_mask 1 /* smp_active_mask always 1 on UP machines */
75cdbe6c	175
984263bc MD	176	#endif
	177
	178	#endif /* _KERNEL */
	179	#endif /* _MACHINE_SMP_H_ */