/*-
* Copyright (c) 2001 Doug Rabson
* 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. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
*
* 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/ia64/include/sapicvar.h,v 1.5 2007/07/30 22:29:33 marcel Exp $
*/

#ifndef _MACHINE_SAPICVAR_H_
#define _MACHINE_SAPICVAR_H_

#include <sys/types.h>

#include <sys/mutex.h>

struct sapic {
       kmutex_t        sa_mtx;
       vaddr_t         sa_registers;   /* virtual address of sapic */
       u_int           sa_id;          /* I/O SAPIC Id */
       u_int           sa_base;        /* ACPI vector base */
       u_int           sa_limit;       /* last ACPI vector handled here */
};

#define SAPIC_TRIGGER_EDGE      0
#define SAPIC_TRIGGER_LEVEL     1

#define SAPIC_POLARITY_HIGH     0
#define SAPIC_POLARITY_LOW      1

#define SAPIC_DELMODE_FIXED     0
#define SAPIC_DELMODE_LOWPRI    1
#define SAPIC_DELMODE_PMI       2
#define SAPIC_DELMODE_NMI       4
#define SAPIC_DELMODE_INIT      5
#define SAPIC_DELMODE_EXTINT    7

int     sapic_config_intr(u_int, int);
struct  sapic *sapic_create(u_int, u_int, uint64_t);
int     sapic_enable(struct sapic *, u_int, u_int);
void    sapic_eoi(struct sapic *, u_int);
struct  sapic *sapic_lookup(u_int);
void    sapic_mask(struct sapic *, u_int);
void    sapic_unmask(struct sapic *, u_int);

#ifdef DDB
void    sapic_print(struct sapic *, u_int);
#endif

#endif /* ! _MACHINE_SAPICVAR_H_ */