176 lines
5.7 KiB
C
176 lines
5.7 KiB
C
/* $NetBSD: intr.h,v 1.9 2002/01/14 19:08:35 soren Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1998 Jonathan Stone. 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.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by Jonathan Stone for
|
|
* the NetBSD Project.
|
|
* 4. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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_
|
|
|
|
#define IPL_NONE 0 /* disable only this interrupt */
|
|
#define IPL_BIO 1 /* disable block I/O interrupts */
|
|
#define IPL_NET 2 /* disable network interrupts */
|
|
#define IPL_TTY 3 /* disable terminal interrupts */
|
|
#define IPL_CLOCK 4 /* disable clock interrupts */
|
|
#define IPL_STATCLOCK 5 /* disable profiling interrupts */
|
|
#define IPL_SERIAL 6 /* disable serial hardware interrupts */
|
|
#define IPL_HIGH 7 /* disable all interrupts */
|
|
#define NIPL 8
|
|
|
|
/* Interrupt sharing types. */
|
|
#define IST_NONE 0 /* none */
|
|
#define IST_PULSE 1 /* pulsed */
|
|
#define IST_EDGE 2 /* edge-triggered */
|
|
#define IST_LEVEL 3 /* level-triggered */
|
|
|
|
#define IPL_SOFTSERIAL 0 /* serial software interrupts */
|
|
#define IPL_SOFTNET 1 /* network software interrupts */
|
|
#define IPL_SOFTCLOCK 2 /* clock software interrupts */
|
|
#define IPL_NSOFT 3
|
|
|
|
#define IPL_SOFTNAMES { \
|
|
"serial", \
|
|
"net", \
|
|
"clock", \
|
|
}
|
|
|
|
#ifdef _KERNEL
|
|
#ifndef _LOCORE
|
|
#include <sys/types.h>
|
|
#include <sys/device.h>
|
|
#include <sys/queue.h>
|
|
|
|
extern int _splraise __P((int));
|
|
extern int _spllower __P((int));
|
|
extern int _splset __P((int));
|
|
extern int _splget __P((void));
|
|
extern void _splnone __P((void));
|
|
extern void _setsoftintr __P((int));
|
|
extern void _clrsoftintr __P((int));
|
|
|
|
/*
|
|
* software simulated interrupt
|
|
*/
|
|
#define setsoft(x) do { \
|
|
extern u_int ssir; \
|
|
int s; \
|
|
\
|
|
s = splhigh(); \
|
|
ssir |= 1 << (x); \
|
|
_setsoftintr(MIPS_SOFT_INT_MASK_1); \
|
|
splx(s); \
|
|
} while (0)
|
|
|
|
#define softintr_schedule(arg) \
|
|
do { \
|
|
struct mipsco_intrhand *__ih = (arg); \
|
|
__ih->ih_pending = 1; \
|
|
setsoft(__ih->ih_intrhead->intr_ipl); \
|
|
} while (0)
|
|
|
|
extern struct mipsco_intrhand *softnet_intrhand;
|
|
|
|
#define setsoftnet() softintr_schedule(softnet_intrhand)
|
|
|
|
/*
|
|
* nesting interrupt masks.
|
|
*/
|
|
#define MIPS_INT_MASK_SPL_SOFT0 MIPS_SOFT_INT_MASK_0
|
|
#define MIPS_INT_MASK_SPL_SOFT1 (MIPS_SOFT_INT_MASK_1|MIPS_INT_MASK_SPL_SOFT0)
|
|
#define MIPS_INT_MASK_SPL0 (MIPS_INT_MASK_0|MIPS_INT_MASK_SPL_SOFT1)
|
|
#define MIPS_INT_MASK_SPL1 (MIPS_INT_MASK_1|MIPS_INT_MASK_SPL0)
|
|
#define MIPS_INT_MASK_SPL2 (MIPS_INT_MASK_2|MIPS_INT_MASK_SPL1)
|
|
#define MIPS_INT_MASK_SPL3 (MIPS_INT_MASK_3|MIPS_INT_MASK_SPL2)
|
|
#define MIPS_INT_MASK_SPL4 (MIPS_INT_MASK_4|MIPS_INT_MASK_SPL3)
|
|
#define MIPS_INT_MASK_SPL5 (MIPS_INT_MASK_5|MIPS_INT_MASK_SPL4)
|
|
|
|
#define spl0() (void)_spllower(0)
|
|
#define splx(s) (void)_splset(s)
|
|
#define splbio() _splraise(MIPS_INT_MASK_SPL1)
|
|
#define splnet() _splraise(MIPS_INT_MASK_SPL0)
|
|
#define spltty() _splraise(MIPS_INT_MASK_SPL0)
|
|
#define splvm() _splraise(MIPS_INT_MASK_SPL2)
|
|
#define splclock() _splraise(MIPS_INT_MASK_SPL2)
|
|
#define splstatclock() _splraise(MIPS_INT_MASK_SPL2)
|
|
#define splhigh() _splraise(MIPS_INT_MASK_SPL2)
|
|
#define splsched() splhigh()
|
|
#define spllock() splhigh()
|
|
#define splserial() spltty()
|
|
#define spllpt() spltty()
|
|
|
|
#define splsoftclock() _splraise(MIPS_INT_MASK_SPL_SOFT0)
|
|
#define splsoft() _splraise(MIPS_INT_MASK_SPL_SOFT1)
|
|
#define spllowersoftclock() _spllower(MIPS_INT_MASK_SPL_SOFT0)
|
|
#define splsoftnet() splsoft()
|
|
|
|
struct mipsco_intrhand {
|
|
LIST_ENTRY(mipsco_intrhand)
|
|
ih_q;
|
|
int (*ih_fun) __P((void *));
|
|
void *ih_arg;
|
|
struct mipsco_intr *ih_intrhead;
|
|
int ih_pending;
|
|
};
|
|
|
|
struct mipsco_intr {
|
|
LIST_HEAD(,mipsco_intrhand)
|
|
intr_q;
|
|
struct evcnt ih_evcnt;
|
|
unsigned long intr_ipl;
|
|
};
|
|
|
|
|
|
extern struct mipsco_intrhand intrtab[];
|
|
|
|
#define SYS_INTR_LEVEL0 0
|
|
#define SYS_INTR_LEVEL1 1
|
|
#define SYS_INTR_LEVEL2 2
|
|
#define SYS_INTR_LEVEL3 3
|
|
#define SYS_INTR_LEVEL4 4
|
|
#define SYS_INTR_LEVEL5 5
|
|
#define SYS_INTR_SCSI 6
|
|
#define SYS_INTR_TIMER 7
|
|
#define SYS_INTR_ETHER 8
|
|
#define SYS_INTR_SCC0 9
|
|
#define SYS_INTR_FDC 10
|
|
#define SYS_INTR_ATBUS 11
|
|
|
|
#define MAX_INTR_COOKIES 16
|
|
|
|
#define CALL_INTR(lev) ((*intrtab[lev].ih_fun)(intrtab[lev].ih_arg))
|
|
|
|
void *softintr_establish(int, void (*)(void *), void *);
|
|
void softintr_disestablish(void *);
|
|
void softintr_init(void);
|
|
void softintr_dispatch(void);
|
|
|
|
#endif /* !_LOCORE */
|
|
#endif /* _KERNEL */
|
|
#endif /* _MACHINE_INTR_H_ */
|