[dragonfly.git] / sys / platform / pc32 / apic / lapic.h

/*
 * Copyright (c) 1996, by Steve Passe
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. The name of the developer may NOT be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * $FreeBSD: src/sys/i386/include/mpapic.h,v 1.14.2.2 2000/09/30 02:49:34 ps Exp $
 * $DragonFly: src/sys/platform/pc32/apic/mpapic.h,v 1.12 2008/06/07 11:37:23 mneumann Exp $
 */

#ifndef _ARCH_APIC_LAPIC_H_
#define _ARCH_APIC_LAPIC_H_

#include <machine_base/apic/apicreg.h>

/*
 * APIC ID <-> CPU ID mapping macros
 */
#define CPUID_TO_APICID(cpu_id)		(cpu_id_to_apic_id[(cpu_id)])
#define APICID_TO_CPUID(apic_id)	(apic_id_to_cpu_id[(apic_id)])

#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

#ifdef SMP

extern volatile lapic_t		*lapic;
extern int			cpu_id_to_apic_id[];
extern int			apic_id_to_cpu_id[];
extern int			lapic_enable;

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, int, int);
int	single_apic_ipi_passive(int, int, int);
void	lapic_set_cpuid(int, int);
int	lapic_config(void);
void	lapic_enumerator_register(struct lapic_enumerator *);
void	set_apic_timer(int);
int	get_apic_timer_frequency(void);
int	read_apic_timer(void);
void	u_sleep(int);

/*
 * Send an IPI INTerrupt containing 'vector' to all CPUs EXCEPT myself
 */
static __inline int
all_but_self_ipi(int vector)
{
	if (smp_active_mask == 1)
		return 0;
	return apic_ipi(APIC_DEST_ALLESELF, vector, APIC_DELMODE_FIXED);
}

#endif

void	lapic_map(vm_offset_t /* XXX should be vm_paddr_t */);
int	lapic_unused_apic_id(int);
void	lapic_fixup_noioapic(void);

#endif /* _ARCH_APIC_LAPIC_H_ */
Commit	Line	Data
984263bc MD	1	/*
	2	* Copyright (c) 1996, by Steve Passe
	3	* All rights reserved.
	4	*
	5	* Redistribution and use in source and binary forms, with or without
	6	* modification, are permitted provided that the following conditions
	7	* are met:
	8	* 1. Redistributions of source code must retain the above copyright
	9	* notice, this list of conditions and the following disclaimer.
	10	* 2. The name of the developer may NOT be used to endorse or promote products
	11	* derived from this software without specific prior written permission.
	12	*
	13	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
	14	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	15	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	16	* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
	17	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	18	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	19	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	20	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	21	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	22	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	23	* SUCH DAMAGE.
	24	*
	25	* $FreeBSD: src/sys/i386/include/mpapic.h,v 1.14.2.2 2000/09/30 02:49:34 ps Exp $
7bd34050	26	* $DragonFly: src/sys/platform/pc32/apic/mpapic.h,v 1.12 2008/06/07 11:37:23 mneumann Exp $
984263bc MD	27	*/
984263bc MD	28
3340ac41 SZ	29	#ifndef _ARCH_APIC_LAPIC_H_
3340ac41 SZ	30	#define _ARCH_APIC_LAPIC_H_
984263bc	31
3274eb88	32	#include <machine_base/apic/apicreg.h>
984263bc	33
984263bc	34	/*
2d901d56	35	* APIC ID <-> CPU ID mapping macros
984263bc	36	*/
2d901d56 SZ	37	#define CPUID_TO_APICID(cpu_id) (cpu_id_to_apic_id[(cpu_id)])
2d901d56 SZ	38	#define APICID_TO_CPUID(apic_id) (apic_id_to_cpu_id[(apic_id)])
984263bc	39
3274eb88 SZ	40	#ifndef _SYS_QUEUE_H_
	41	#include <sys/queue.h>
	42	#endif
	43
	44	struct lapic_enumerator {
	45	int lapic_prio;
	46	TAILQ_ENTRY(lapic_enumerator) lapic_link;
	47	int (lapic_probe)(struct lapic_enumerator );
	48	void (lapic_enumerate)(struct lapic_enumerator );
	49	};
	50
	51	#define LAPIC_ENUM_PRIO_MPTABLE 20
	52	#define LAPIC_ENUM_PRIO_MADT 40
	53
e126caf1	54	#ifdef SMP
984263bc	55
cb7d6921	56	extern volatile lapic_t *lapic;
2d901d56 SZ	57	extern int cpu_id_to_apic_id[];
2d901d56 SZ	58	extern int apic_id_to_cpu_id[];
1d6d7089	59	extern int lapic_enable;
3274eb88 SZ	60
	61	void apic_dump(char*);
	62	void lapic_init(boolean_t);
	63	int apic_ipi(int, int, int);
	64	void selected_apic_ipi(cpumask_t, int, int);
	65	void single_apic_ipi(int, int, int);
	66	int single_apic_ipi_passive(int, int, int);
41e2c7e0	67	void lapic_set_cpuid(int, int);
ac032dad	68	int lapic_config(void);
3274eb88 SZ	69	void lapic_enumerator_register(struct lapic_enumerator *);
	70	void set_apic_timer(int);
	71	int get_apic_timer_frequency(void);
	72	int read_apic_timer(void);
	73	void u_sleep(int);
	74
984263bc	75	/*
3340ac41	76	* Send an IPI INTerrupt containing 'vector' to all CPUs EXCEPT myself
984263bc MD	77	*/
	78	static __inline int
	79	all_but_self_ipi(int vector)
	80	{
0f7a3396	81	if (smp_active_mask == 1)
984263bc MD	82	return 0;
	83	return apic_ipi(APIC_DEST_ALLESELF, vector, APIC_DELMODE_FIXED);
	84	}
	85
e126caf1 MD	86	#endif
e126caf1 MD	87
84cc808b	88	void lapic_map(vm_offset_t /* XXX should be vm_paddr_t */);
11bae9b8	89	int lapic_unused_apic_id(int);
0bccf4f5	90	void lapic_fixup_noioapic(void);
ad52b37b	91
3340ac41	92	#endif /* _ARCH_APIC_LAPIC_H_ */