220 lines
6.5 KiB
C
220 lines
6.5 KiB
C
/* $NetBSD: intr.h,v 1.23 2001/08/27 02:00:16 nisimura 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 _PMAX_INTR_H_
|
|
#define _PMAX_INTR_H_
|
|
|
|
#include <sys/device.h>
|
|
#include <sys/lock.h>
|
|
#include <sys/queue.h>
|
|
|
|
#define IPL_NONE 0 /* disable only this interrupt */
|
|
|
|
#define IPL_SOFT 1 /* generic software interrupts (SI 0) */
|
|
#define IPL_SOFTCLOCK 2 /* clock software interrupts (SI 0) */
|
|
#define IPL_SOFTNET 3 /* network software interrupts (SI 1) */
|
|
#define IPL_SOFTSERIAL 4 /* serial software interrupts (SI 1) */
|
|
|
|
#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_SERIAL 7 /* disable serial interrupts */
|
|
#define IPL_CLOCK 8 /* disable clock interrupts */
|
|
#define IPL_HIGH 8 /* disable all interrupts */
|
|
|
|
#define _IPL_NSOFT 4
|
|
#define _IPL_N 9
|
|
|
|
#define _IPL_SI0_FIRST IPL_SOFT
|
|
#define _IPL_SI0_LAST IPL_SOFTCLOCK
|
|
|
|
#define _IPL_SI1_FIRST IPL_SOFTNET
|
|
#define _IPL_SI1_LAST IPL_SOFTSERIAL
|
|
|
|
#define IPL_SOFTNAMES { \
|
|
"misc", \
|
|
"clock", \
|
|
"net", \
|
|
"serial", \
|
|
}
|
|
|
|
#ifdef _KERNEL
|
|
#ifndef _LOCORE
|
|
|
|
extern const u_int32_t ipl_si_to_sr[_IPL_NSOFT];
|
|
|
|
#include <mips/cpuregs.h>
|
|
|
|
int _splraise __P((int));
|
|
int _spllower __P((int));
|
|
int _splset __P((int));
|
|
int _splget __P((void));
|
|
void _splnone __P((void));
|
|
void _setsoftintr __P((int));
|
|
void _clrsoftintr __P((int));
|
|
|
|
#define splhigh() _splraise(MIPS_INT_MASK)
|
|
#define spl0() (void)_spllower(0)
|
|
#define splx(s) (void)_splset(s)
|
|
#define splbio() (_splraise(splvec.splbio))
|
|
#define splnet() (_splraise(splvec.splnet))
|
|
#define spltty() (_splraise(splvec.spltty))
|
|
#define splvm() (_splraise(splvec.splvm))
|
|
#define splclock() (_splraise(splvec.splclock))
|
|
#define splstatclock() (_splraise(splvec.splstatclock))
|
|
#define spllowersoftclock() _spllower(MIPS_SOFT_INT_MASK_0)
|
|
#define splsoftclock() _splraise(MIPS_SOFT_INT_MASK_0)
|
|
#define splsoftnet() _splraise(MIPS_SOFT_INT_MASK_0|MIPS_SOFT_INT_MASK_1)
|
|
|
|
#define splsched() splhigh()
|
|
#define spllock() splhigh()
|
|
|
|
struct splvec {
|
|
int splbio;
|
|
int splnet;
|
|
int spltty;
|
|
int splvm;
|
|
int splclock;
|
|
int splstatclock;
|
|
};
|
|
extern struct splvec splvec;
|
|
|
|
/* Conventionals ... */
|
|
|
|
#define MIPS_SPLHIGH (MIPS_INT_MASK)
|
|
#define MIPS_SPL0 (MIPS_INT_MASK_0|MIPS_SOFT_INT_MASK_0|MIPS_SOFT_INT_MASK_1)
|
|
#define MIPS_SPL1 (MIPS_INT_MASK_1|MIPS_SOFT_INT_MASK_0|MIPS_SOFT_INT_MASK_1)
|
|
#define MIPS_SPL3 (MIPS_INT_MASK_3|MIPS_SOFT_INT_MASK_0|MIPS_SOFT_INT_MASK_1)
|
|
#define MIPS_SPL_0_1 (MIPS_INT_MASK_1|MIPS_SPL0)
|
|
#define MIPS_SPL_0_1_2 (MIPS_INT_MASK_2|MIPS_SPL_0_1)
|
|
#define MIPS_SPL_0_1_3 (MIPS_INT_MASK_3|MIPS_SPL_0_1)
|
|
#define MIPS_SPL_0_1_2_3 (MIPS_INT_MASK_3|MIPS_SPL_0_1_2)
|
|
|
|
/*
|
|
* Index into intrcnt[], which is defined in locore
|
|
*/
|
|
extern u_long intrcnt[];
|
|
|
|
#define SERIAL0_INTR 0
|
|
#define SERIAL1_INTR 1
|
|
#define LANCE_INTR 2
|
|
#define SCSI_INTR 3
|
|
#define SLOT0_INTR 4
|
|
#define SLOT1_INTR 5
|
|
#define SLOT2_INTR 6
|
|
#define DTOP_INTR 7
|
|
#define ISDN_INTR 8
|
|
#define FLOPPY_INTR 9
|
|
|
|
struct intrhand {
|
|
int (*ih_func) __P((void *));
|
|
void *ih_arg;
|
|
};
|
|
extern struct intrhand intrtab[];
|
|
|
|
#define SYS_DEV_SCSI SCSI_INTR
|
|
#define SYS_DEV_LANCE LANCE_INTR
|
|
#define SYS_DEV_SCC0 SERIAL0_INTR
|
|
#define SYS_DEV_SCC1 SERIAL1_INTR
|
|
#define SYS_DEV_DTOP DTOP_INTR
|
|
#define SYS_DEV_FDC FLOPPY_INTR
|
|
#define SYS_DEV_ISDN ISDN_INTR
|
|
#define SYS_DEV_OPT0 SLOT0_INTR
|
|
#define SYS_DEV_OPT1 SLOT1_INTR
|
|
#define SYS_DEV_OPT2 SLOT2_INTR
|
|
#define SYS_DEV_BOGUS -1
|
|
#define MAX_DEV_NCOOKIES 10
|
|
|
|
|
|
struct pmax_intrhand {
|
|
LIST_ENTRY(pmax_intrhand) ih_q;
|
|
int (*ih_func)(void *);
|
|
void *ih_arg;
|
|
};
|
|
|
|
#define setsoft(x) \
|
|
do { \
|
|
_setsoftintr(ipl_si_to_sr[(x) - IPL_SOFT]); \
|
|
} while (0)
|
|
|
|
struct pmax_soft_intrhand {
|
|
TAILQ_ENTRY(pmax_soft_intrhand)
|
|
sih_q;
|
|
struct pmax_soft_intr *sih_intrhead;
|
|
void (*sih_fn)(void *);
|
|
void *sih_arg;
|
|
int sih_pending;
|
|
};
|
|
|
|
struct pmax_soft_intr {
|
|
TAILQ_HEAD(, pmax_soft_intrhand)
|
|
softintr_q;
|
|
struct evcnt softintr_evcnt;
|
|
struct simplelock softintr_slock;
|
|
unsigned long softintr_ipl;
|
|
};
|
|
|
|
void *softintr_establish(int, void (*)(void *), void *);
|
|
void softintr_disestablish(void *);
|
|
void softintr_init(void);
|
|
void softintr_dispatch(void);
|
|
|
|
#define softintr_schedule(arg) \
|
|
do { \
|
|
struct pmax_soft_intrhand *__sih = (arg); \
|
|
struct pmax_soft_intr *__si = __sih->sih_intrhead; \
|
|
int __s; \
|
|
\
|
|
__s = splhigh(); \
|
|
simple_lock(&__si->softintr_slock); \
|
|
if (__sih->sih_pending == 0) { \
|
|
TAILQ_INSERT_TAIL(&__si->softintr_q, __sih, sih_q); \
|
|
__sih->sih_pending = 1; \
|
|
setsoft(__si->softintr_ipl); \
|
|
} \
|
|
simple_unlock(&__si->softintr_slock); \
|
|
splx(__s); \
|
|
} while (0)
|
|
|
|
extern struct pmax_soft_intrhand *softnet_intrhand;
|
|
|
|
#define setsoftnet() softintr_schedule(softnet_intrhand)
|
|
|
|
extern struct evcnt pmax_clock_evcnt;
|
|
extern struct evcnt pmax_fpu_evcnt;
|
|
extern struct evcnt pmax_memerr_evcnt;
|
|
|
|
#endif /* !_LOCORE */
|
|
#endif /* _KERNEL */
|
|
|
|
#endif /* !_PMAX_INTR_H_ */
|