158 lines
4.8 KiB
C
158 lines
4.8 KiB
C
/* $NetBSD: intr.h,v 1.14 2006/12/21 15:55:23 yamt Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 2000 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Jason R. Thorpe and Steve C. Woodford.
|
|
*
|
|
* 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.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the NetBSD
|
|
* Foundation, Inc. and its contributors.
|
|
* 4. Neither the name of The NetBSD Foundation nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* 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 _MVME68K_INTR_H
|
|
#define _MVME68K_INTR_H
|
|
|
|
#include <sys/device.h>
|
|
#include <sys/queue.h>
|
|
#include <machine/psl.h>
|
|
|
|
#define IPL_NONE 0 /* disable only this interrupt */
|
|
#define IPL_SOFT 1 /* other software interrupts */
|
|
#define IPL_SOFTCLOCK 2 /* clock software interrupts */
|
|
#define IPL_SOFTNET 3 /* network software interrupts */
|
|
#define IPL_SOFTSERIAL 4 /* serial software interrupts */
|
|
#define IPL_BIO 5 /* disable block I/O interrupts */
|
|
#define IPL_NET 6 /* disable network interrupts */
|
|
#define IPL_TTY 7 /* disable terminal interrupts */
|
|
#define IPL_LPT IPL_TTY
|
|
#define IPL_TTYNOBUF 8 /* IPL_TTY + higher ISR priority */
|
|
#define IPL_VM 9
|
|
#define IPL_SERIAL 10 /* disable serial interrupts */
|
|
#define IPL_CLOCK 11 /* disable clock interrupts */
|
|
#define IPL_STATCLOCK IPL_CLOCK
|
|
#define IPL_HIGH 12 /* disable all interrupts */
|
|
#define IPL_SCHED IPL_HIGH
|
|
#define IPL_LOCK IPL_HIGH
|
|
|
|
#define SI_SOFTSERIAL 0
|
|
#define SI_SOFTNET 1
|
|
#define SI_SOFTCLOCK 2
|
|
#define SI_SOFT 3
|
|
|
|
#define SI_NQUEUES 4
|
|
|
|
#define SI_QUEUENAMES { \
|
|
"serial", \
|
|
"net", \
|
|
"clock", \
|
|
"misc", \
|
|
}
|
|
|
|
#ifdef _KERNEL
|
|
#define spl0() _spl0()
|
|
#define spllowersoftclock() spl1()
|
|
#define splsoft() splraise1()
|
|
#define splsoftclock() splsoft()
|
|
#define splsoftnet() splsoft()
|
|
#define splsoftserial() splsoft()
|
|
#define splbio() splraise2()
|
|
#define splnet() splraise3()
|
|
#define spltty() splraise3()
|
|
#define splvm() splraise3()
|
|
#define splserial() splraise4()
|
|
#define splclock() splraise5()
|
|
#define splstatclock() splraise5()
|
|
#define splhigh() spl7()
|
|
#define splsched() spl7()
|
|
#define spllock() spl7()
|
|
|
|
#ifndef _LOCORE
|
|
|
|
typedef int ipl_t;
|
|
typedef struct {
|
|
int _psl;
|
|
} ipl_cookie_t;
|
|
|
|
ipl_cookie_t makeiplcookie(ipl_t);
|
|
|
|
static inline int
|
|
splraiseipl(ipl_cookie_t icookie)
|
|
{
|
|
|
|
return _splraise(icookie._psl);
|
|
}
|
|
|
|
static __inline void
|
|
splx(int sr)
|
|
{
|
|
|
|
__asm volatile("movw %0,%%sr" : : "di" (sr));
|
|
}
|
|
|
|
#define setsoft(x) x = 0
|
|
|
|
struct mvme68k_soft_intrhand {
|
|
LIST_ENTRY(mvme68k_soft_intrhand) sih_q;
|
|
struct mvme68k_soft_intr *sih_intrhead;
|
|
void (*sih_fn)(void *);
|
|
void *sih_arg;
|
|
volatile int sih_pending;
|
|
};
|
|
|
|
struct mvme68k_soft_intr {
|
|
LIST_HEAD(, mvme68k_soft_intrhand) msi_q;
|
|
struct evcnt msi_evcnt;
|
|
volatile unsigned char msi_ssir;
|
|
};
|
|
|
|
void *softintr_establish(int, void (*)(void *), void *);
|
|
void softintr_disestablish(void *);
|
|
void softintr_init(void);
|
|
void softintr_dispatch(void);
|
|
extern void (*_softintr_chipset_assert)(void);
|
|
|
|
#define softintr_schedule(arg) \
|
|
do { \
|
|
struct mvme68k_soft_intrhand *__sih = (arg); \
|
|
__sih->sih_pending = 1; \
|
|
setsoft(__sih->sih_intrhead->msi_ssir); \
|
|
_softintr_chipset_assert(); \
|
|
} while (0)
|
|
|
|
/* XXX For legacy software interrupts */
|
|
extern struct mvme68k_soft_intrhand *softnet_intrhand;
|
|
|
|
#define setsoftnet() softintr_schedule(softnet_intrhand)
|
|
|
|
#endif /* !_LOCORE */
|
|
#endif /* _KERNEL */
|
|
|
|
#endif /* _MVME68K_INTR_H */
|