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/* $OpenBSD: intr.h,v 1.13 2018/05/30 13:54:09 mpi Exp $ */
/* $NetBSD: intr.h,v 1.1 2006/09/01 21:26:18 uwe Exp $ */
/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
* 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 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 _MACHINE_INTR_H_
#define _MACHINE_INTR_H_
#include <sh/intr.h>
/* Number of interrupt source */
#define _INTR_N 16
/* Interrupt priority levels */
#define IPL_BIO 10 /* block I/O */
#define IPL_AUDIO IPL_BIO
#define IPL_NET 11 /* network */
#define IPL_TTY 12 /* terminal */
#define IPL_VM 12
#define IPL_CLOCK 14 /* clock */
#define IPL_SCHED 14 /* scheduling */
#define IPL_HIGH 15 /* everything */
#define IPL_MPSAFE 0 /* no "mpsafe" interrupts */
#define IPL_MPFLOOR IPL_NONE /* no MP on landisk */
#define splraise(_ipl) _cpu_intr_raise((_ipl) << 4)
#define splsoftclock() splraise(IPL_SOFTCLOCK)
#define splsoftnet() splraise(IPL_SOFTNET)
#define splsoftserial() splraise(IPL_SOFTSERIAL)
#define splbio() splraise(IPL_BIO)
#define splnet() splraise(IPL_NET)
#define spltty() splraise(IPL_TTY)
#define splvm() splraise(IPL_VM)
#define splaudio() splraise(IPL_AUDIO)
#define splclock() splraise(IPL_CLOCK)
#define splstatclock() splclock()
#define splsched() splraise(IPL_SCHED)
#define splhigh() _cpu_intr_suspend()
#define spllock() splhigh()
#define spl0() _cpu_intr_resume(IPL_NONE << 4)
#define splx(x) _cpu_intr_resume(x)
#ifdef DIAGNOSTIC
/*
* Although this function is implemented in MI code, it must be in this MD
* header because we don't want this header to include MI includes.
*/
void splassert_fail(int, int, const char *);
extern int splassert_ctl;
void splassert_check(int, const char *);
#define splassert(__wantipl) \
do { \
if (splassert_ctl > 0) { \
splassert_check(__wantipl, __func__); \
} \
} while (0)
#define splsoftassert(__wantipl) splassert(__wantipl)
#else
#define splassert(wantipl) do { /* nothing yet */ } while (0)
#define splsoftassert(wantipl) do { /* nothing yet */ } while (0)
#endif
void intr_init(void);
void *extintr_establish(int, int, int (*)(void *), void *, const char *);
void extintr_disestablish(void *ih);
void extintr_enable(void *ih);
void extintr_disable(void *ih);
void extintr_disable_by_num(int irq);
#endif /* !_MACHINE_INTR_H_ */
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