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/* $NetBSD: intr.h,v 1.21 2020/05/17 14:11:30 ad Exp $ */
/*-
* Copyright (c) 2007, 2020 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_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_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_ */
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