LCOM1920-T02G10

/*        $NetBSD: intr.h,v 1.19 2015/08/17 06:16:03 knakahara Exp $        */

/*-

 * Copyright (c) 2007 The NetBSD Foundation, Inc.

 * All rights reserved.

 *

 * This code is derived from software contributed to The NetBSD Foundation

 * by Andrew Doran.

 *

 * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.

 */

#ifndef _SYS_INTR_H_

#define        _SYS_INTR_H_

#define INTRIDBUF 64

#define INTRDEVNAMEBUF 256

#ifdef _KERNEL

#include <sys/types.h>

struct cpu_info;

/* Public interface. */

void        *softint_establish(u_int, void (*)(void *), void *);

void        softint_disestablish(void *);

void        softint_schedule(void *);

void        softint_schedule_cpu(void *, struct cpu_info *);

/* MI hooks. */

void        softint_init(struct cpu_info *);

lwp_t        *softint_picklwp(void);

void        softint_overlay(void);

void        softint_block(lwp_t *);

/* MD-MI interface. */

void        softint_init_md(lwp_t *, u_int, uintptr_t *);

#ifndef __HAVE_MD_SOFTINT_TRIGGER

void        softint_trigger(uintptr_t);

#endif

void        softint_dispatch(lwp_t *, int);

/* Flags for softint_establish(). */

#define        SOFTINT_BIO        0x0000

#define        SOFTINT_CLOCK        0x0001

#define        SOFTINT_SERIAL        0x0002

#define        SOFTINT_NET        0x0003

#define        SOFTINT_MPSAFE        0x0100

#define        SOFTINT_RCPU        0x0200

/* Implementation private flags. */

#define        SOFTINT_PENDING        0x1000

#define        SOFTINT_ACTIVE        0x2000

#define        SOFTINT_COUNT        0x0004

#define        SOFTINT_LVLMASK        0x00ff

#define        SOFTINT_IMPMASK        0xf000

extern u_int        softint_timing;

/*

 * Historical aliases.

 */

#define        IPL_BIO                IPL_VM

#define        IPL_NET                IPL_VM

#define        IPL_TTY                IPL_VM

#define        IPL_AUDIO        IPL_SCHED

#define        IPL_CLOCK        IPL_SCHED

#define        IPL_SERIAL        IPL_HIGH

#define        splbio()        splvm()

#define        splnet()        splvm()

#define        spltty()        splvm()

#define        splaudio()        splsched()

#define        splclock()        splsched()

#define        splserial()        splhigh()

#include <machine/intr.h>

#elif defined(_KMEMUSER)

#define        SOFTINT_COUNT        0x0004

#endif        /* _KERNEL */

#endif        /* _SYS_INTR_H_ */