[dragonfly.git] / sys / platform / pc32 / apic / mpapic.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 _MACHINE_MPAPIC_H_
#define _MACHINE_MPAPIC_H_

#include "apicreg.h"

#include <machine_base/icu/icu.h>

/*
 * Size of APIC ID list.
 * Also used a MAX size of various other arrays.
 */
#define NAPICID		256

/* these don't really belong in here... */
enum busTypes {
    CBUS = 1,
    CBUSII = 2,
    EISA = 3,
    MCA = 4,
    ISA = 6,
    PCI = 13,
    XPRESS = 18,
    MAX_BUSTYPE = 18,
    UNKNOWN_BUSTYPE = 0xff
};


/*
 * the physical/logical APIC ID management macros
 */
#define CPU_TO_ID(CPU)	(cpu_num_to_apic_id[CPU])
#define ID_TO_CPU(ID)	(apic_id_to_logical[ID])

#ifdef SMP

/*
 * 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);

#endif /* _MACHINE_MPAPIC_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	*/
	28
	29	#ifndef _MACHINE_MPAPIC_H_
	30	#define _MACHINE_MPAPIC_H_
	31
e126caf1	32	#include "apicreg.h"
984263bc	33
a9295349	34	#include <machine_base/icu/icu.h>
984263bc MD	35
	36	/*
	37	* Size of APIC ID list.
	38	* Also used a MAX size of various other arrays.
	39	*/
c163176b	40	#define NAPICID 256
984263bc MD	41
	42	/* these don't really belong in here... */
	43	enum busTypes {
	44	CBUS = 1,
	45	CBUSII = 2,
	46	EISA = 3,
	47	MCA = 4,
	48	ISA = 6,
	49	PCI = 13,
	50	XPRESS = 18,
	51	MAX_BUSTYPE = 18,
	52	UNKNOWN_BUSTYPE = 0xff
	53	};
	54
	55
	56	/*
7bd34050	57	* the physical/logical APIC ID management macros
984263bc MD	58	*/
	59	#define CPU_TO_ID(CPU) (cpu_num_to_apic_id[CPU])
	60	#define ID_TO_CPU(ID) (apic_id_to_logical[ID])
984263bc	61
e126caf1	62	#ifdef SMP
984263bc MD	63
984263bc MD	64	/*
984263bc MD	65	* send an IPI INTerrupt containing 'vector' to all CPUs EXCEPT myself
	66	*/
	67	static __inline int
	68	all_but_self_ipi(int vector)
	69	{
0f7a3396	70	if (smp_active_mask == 1)
984263bc MD	71	return 0;
	72	return apic_ipi(APIC_DEST_ALLESELF, vector, APIC_DELMODE_FIXED);
	73	}
	74
e126caf1 MD	75	#endif
e126caf1 MD	76
84cc808b	77	void lapic_map(vm_offset_t /* XXX should be vm_paddr_t */);
11bae9b8	78	int lapic_unused_apic_id(int);
ad52b37b	79
984263bc	80	#endif /* _MACHINE_MPAPIC_H */