1644c2b297
- rename ipl2spl_table[] to ipl2psl_table[] and make it uint16_t - rename _spl member in ipl_cookie_t to _psl - sort some splbio entries
90 lines
2.5 KiB
C
90 lines
2.5 KiB
C
/* $NetBSD: intr.h,v 1.13 2008/07/10 16:14:16 tsutsui Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 2000 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Tohru Nishimura.
|
|
*
|
|
* 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
|
|
|
|
#ifdef _KERNEL
|
|
|
|
/*
|
|
* spl functions; all but spl0 are done in-line
|
|
*/
|
|
#include <machine/psl.h>
|
|
|
|
#define splnone() spl0()
|
|
#define splsoftclock() splraise1()
|
|
#define splsoftbio() splraise1()
|
|
#define splsoftnet() splraise1()
|
|
#define splsoftserial() splraise1()
|
|
#define splvm() spl7()
|
|
#define splsched() spl7()
|
|
#define splhigh() spl7()
|
|
|
|
/* watch out for side effects */
|
|
#define splx(s) ((s) & PSL_IPL ? _spl(s) : spl0())
|
|
|
|
int spl0(void);
|
|
|
|
#define IPL_NONE 0
|
|
#define IPL_SOFTCLOCK 1
|
|
#define IPL_SOFTBIO 2
|
|
#define IPL_SOFTNET 3
|
|
#define IPL_SOFTSERIAL 4
|
|
#define IPL_VM 5
|
|
#define IPL_SCHED 6
|
|
#define IPL_HIGH 7
|
|
#define NIPL 8
|
|
|
|
extern const uint16_t ipl2psl_table[NIPL];
|
|
|
|
typedef int ipl_t;
|
|
typedef struct {
|
|
uint16_t _psl;
|
|
} ipl_cookie_t;
|
|
|
|
static inline ipl_cookie_t
|
|
makeiplcookie(ipl_t ipl)
|
|
{
|
|
|
|
return (ipl_cookie_t){._psl = ipl2psl_table[ipl]};
|
|
}
|
|
|
|
static inline int
|
|
splraiseipl(ipl_cookie_t icookie)
|
|
{
|
|
|
|
return _splraise(icookie._psl);
|
|
}
|
|
|
|
#endif /* _KERNEL */
|
|
|
|
#endif /* _MACHINE_INTR_H */
|