[dragonfly.git] / sys / platform / vkernel / 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/vkernel/include/smp.h,v 1.3 2007/07/02 02:37:04 dillon Exp $
 *
 */

#ifndef _MACHINE_SMP_H_
#define _MACHINE_SMP_H_

#ifdef _KERNEL

#if defined(SMP)

#ifndef LOCORE

#if 0

/*
 * 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);

#endif

/* global data in apic_vector.s */
extern volatile cpumask_t	stopped_cpus;
extern int			optcpus;	/* from main() */

#if 0
extern volatile cpumask_t	started_cpus;

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

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

#endif

#if 0
/* global data in mp_machdep.c */
extern int			bsp_apic_ready;
extern int			mp_naps;
extern int			mp_nbusses;
extern int			mp_napics;
extern int			boot_cpu_id;
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[];
#endif

#if 0
#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[];

#endif

#if 0
/* functions in mp_machdep.c */
void	*permanent_io_mapping(vm_paddr_t);
u_int	mp_bootaddress		(u_int);
int	mp_probe		(void);
#endif
void	mp_start		(void);
void	mp_announce		(void);
#if 0
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);
#endif
int	stop_cpus		(cpumask_t);
void	ap_init			(void);
int	restart_cpus		(cpumask_t);
#if 0
void	forward_signal		(struct proc *);

#endif

#if 0
/* global data in mpapic.c */
extern volatile lapic_t		lapic;
extern volatile ioapic_t	**ioapic;
#endif

/* functions in mpapic.c */
#if 0
void	apic_dump		(char*);
void	apic_initialize		(void);
void	imen_dump		(void);
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);
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);
#endif

#if 0
void	clr_io_apic_mask24	(int, u_int32_t);
void	set_io_apic_mask24	(int, u_int32_t);
#endif

#if 0
void	set_apic_timer		(int);
int	read_apic_timer		(void);
void	u_sleep			(int);
#endif
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
4e497a4d 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 $
c5b0b0ba	10	* $DragonFly: src/sys/platform/vkernel/include/smp.h,v 1.3 2007/07/02 02:37:04 dillon Exp $
4e497a4d MD	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
4e497a4d	51	/* global data in apic_vector.s */
da23a592	52	extern volatile cpumask_t stopped_cpus;
c5b0b0ba MD	53	extern int optcpus; /* from main() */
c5b0b0ba MD	54
6a8aa90e	55	#if 0
da23a592	56	extern volatile cpumask_t started_cpus;
4e497a4d	57
da23a592	58	extern volatile cpumask_t checkstate_probed_cpus;
4e497a4d MD	59	extern void (*cpustop_restartfunc) (void);
	60
	61	/* functions in apic_ipl.s */
4e497a4d MD	62	u_int io_apic_read (int, int);
	63	void io_apic_write (int, int, u_int);
	64
	65	#endif
	66
	67	#if 0
	68	/* global data in mp_machdep.c */
	69	extern int bsp_apic_ready;
	70	extern int mp_naps;
	71	extern int mp_nbusses;
	72	extern int mp_napics;
	73	extern int boot_cpu_id;
	74	extern vm_offset_t cpu_apic_address;
	75	extern vm_offset_t io_apic_address[];
	76	extern u_int32_t cpu_apic_versions[];
	77	extern u_int32_t *io_apic_versions;
	78	extern int cpu_num_to_apic_id[];
	79	extern int io_num_to_apic_id[];
	80	extern int apic_id_to_logical[];
	81	#endif
	82
	83	#if 0
	84	#define APIC_INTMAPSIZE 24
	85	struct apic_intmapinfo {
	86	int ioapic;
	87	int int_pin;
	88	volatile void *apic_address;
	89	int redirindex;
	90	};
	91	extern struct apic_intmapinfo int_to_apicintpin[];
	92	extern struct pcb stoppcbs[];
	93
	94	#endif
	95
	96	#if 0
	97	/* functions in mp_machdep.c */
	98	void *permanent_io_mapping(vm_paddr_t);
	99	u_int mp_bootaddress (u_int);
	100	int mp_probe (void);
6a8aa90e	101	#endif
4e497a4d MD	102	void mp_start (void);
4e497a4d MD	103	void mp_announce (void);
6a8aa90e	104	#if 0
4e497a4d MD	105	u_int isa_apic_mask (u_int);
	106	int isa_apic_irq (int);
	107	int pci_apic_irq (int, int, int);
	108	int apic_irq (int, int);
	109	int next_apic_irq (int);
	110	int undirect_isa_irq (int);
	111	int undirect_pci_irq (int);
	112	int apic_bus_type (int);
	113	int apic_src_bus_id (int, int);
	114	int apic_src_bus_irq (int, int);
	115	int apic_int_type (int, int);
	116	int apic_trigger (int, int);
	117	int apic_polarity (int, int);
	118	void assign_apic_irq (int apic, int intpin, int irq);
	119	void revoke_apic_irq (int irq);
	120	void init_secondary (void);
6a8aa90e	121	#endif
da23a592	122	int stop_cpus (cpumask_t);
4e497a4d	123	void ap_init (void);
da23a592	124	int restart_cpus (cpumask_t);
6a8aa90e	125	#if 0
4e497a4d MD	126	void forward_signal (struct proc *);
	127
	128	#endif
	129
	130	#if 0
	131	/* global data in mpapic.c */
	132	extern volatile lapic_t lapic;
	133	extern volatile ioapic_t **ioapic;
	134	#endif
	135
	136	/* functions in mpapic.c */
	137	#if 0
	138	void apic_dump (char*);
	139	void apic_initialize (void);
	140	void imen_dump (void);
	141	int apic_ipi (int, int, int);
da23a592	142	void selected_apic_ipi (cpumask_t, int, int);
4e497a4d MD	143	void single_apic_ipi(int cpu, int vector, int delivery_mode);
	144	int single_apic_ipi_passive(int cpu, int vector, int delivery_mode);
	145	int io_apic_setup (int);
	146	void io_apic_setup_intpin (int, int);
	147	void io_apic_set_id (int, int);
	148	int io_apic_get_id (int);
	149	int ext_int_setup (int, int);
	150	#endif
	151
	152	#if 0
	153	void clr_io_apic_mask24 (int, u_int32_t);
	154	void set_io_apic_mask24 (int, u_int32_t);
	155	#endif
	156
	157	#if 0
	158	void set_apic_timer (int);
	159	int read_apic_timer (void);
	160	void u_sleep (int);
	161	#endif
	162	void cpu_send_ipiq (int);
	163	int cpu_send_ipiq_passive (int);
	164
	165	/* global data in init_smp.c */
	166	extern cpumask_t smp_active_mask;
	167
	168	#endif /* !LOCORE */
	169	#else /* !SMP */
	170
	171	#define smp_active_mask 1 /* smp_active_mask always 1 on UP machines */
	172
	173	#endif
	174
	175	#endif /* _KERNEL */
	176	#endif /* _MACHINE_SMP_H_ */