intr.h revision 1.24 1 /* $NetBSD: intr.h,v 1.24 2003/05/25 14:04:45 tsutsui Exp $ */
2
3 /*
4 * Copyright (c) 1998 Jonathan Stone. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by Jonathan Stone for
17 * the NetBSD Project.
18 * 4. The name of the author may not be used to endorse or promote products
19 * derived from this software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #ifndef _PMAX_INTR_H_
34 #define _PMAX_INTR_H_
35
36 #include <sys/device.h>
37 #include <sys/lock.h>
38 #include <sys/queue.h>
39
40 #define IPL_NONE 0 /* disable only this interrupt */
41
42 #define IPL_SOFT 1 /* generic software interrupts (SI 0) */
43 #define IPL_SOFTCLOCK 2 /* clock software interrupts (SI 0) */
44 #define IPL_SOFTNET 3 /* network software interrupts (SI 1) */
45 #define IPL_SOFTSERIAL 4 /* serial software interrupts (SI 1) */
46
47 #define IPL_BIO 5 /* disable block I/O interrupts */
48 #define IPL_NET 6 /* disable network interrupts */
49 #define IPL_TTY 7 /* disable terminal interrupts */
50 #define IPL_SERIAL 7 /* disable serial interrupts */
51 #define IPL_CLOCK 8 /* disable clock interrupts */
52 #define IPL_HIGH 8 /* disable all interrupts */
53
54 #define _IPL_NSOFT 4
55 #define _IPL_N 9
56
57 #define _IPL_SI0_FIRST IPL_SOFT
58 #define _IPL_SI0_LAST IPL_SOFTCLOCK
59
60 #define _IPL_SI1_FIRST IPL_SOFTNET
61 #define _IPL_SI1_LAST IPL_SOFTSERIAL
62
63 #define IPL_SOFTNAMES { \
64 "misc", \
65 "clock", \
66 "net", \
67 "serial", \
68 }
69
70 #ifdef _KERNEL
71 #ifndef _LOCORE
72
73 #include <mips/cpuregs.h>
74
75 int _splraise __P((int));
76 int _spllower __P((int));
77 int _splset __P((int));
78 int _splget __P((void));
79 void _splnone __P((void));
80 void _setsoftintr __P((int));
81 void _clrsoftintr __P((int));
82
83 #define splhigh() _splraise(MIPS_INT_MASK)
84 #define spl0() (void)_spllower(0)
85 #define splx(s) (void)_splset(s)
86 #define splbio() (_splraise(splvec.splbio))
87 #define splnet() (_splraise(splvec.splnet))
88 #define spltty() (_splraise(splvec.spltty))
89 #define splvm() (_splraise(splvec.splvm))
90 #define splclock() (_splraise(splvec.splclock))
91 #define splstatclock() (_splraise(splvec.splstatclock))
92 #define spllowersoftclock() _spllower(MIPS_SOFT_INT_MASK_0)
93
94 #define splsched() splhigh()
95 #define spllock() splhigh()
96
97 #define splsoft() _splraise(MIPS_SOFT_INT_MASK_0)
98 #define splsoftclock() _splraise(MIPS_SOFT_INT_MASK_0)
99 #define splsoftnet() _splraise(MIPS_SOFT_INT_MASK_0|MIPS_SOFT_INT_MASK_1)
100 #define splsoftserial() _splraise(MIPS_SOFT_INT_MASK_0|MIPS_SOFT_INT_MASK_1)
101
102 struct splvec {
103 int splbio;
104 int splnet;
105 int spltty;
106 int splvm;
107 int splclock;
108 int splstatclock;
109 };
110 extern struct splvec splvec;
111
112 /* Conventionals ... */
113
114 #define MIPS_SPLHIGH (MIPS_INT_MASK)
115 #define MIPS_SPL0 (MIPS_INT_MASK_0|MIPS_SOFT_INT_MASK_0|MIPS_SOFT_INT_MASK_1)
116 #define MIPS_SPL1 (MIPS_INT_MASK_1|MIPS_SOFT_INT_MASK_0|MIPS_SOFT_INT_MASK_1)
117 #define MIPS_SPL3 (MIPS_INT_MASK_3|MIPS_SOFT_INT_MASK_0|MIPS_SOFT_INT_MASK_1)
118 #define MIPS_SPL_0_1 (MIPS_INT_MASK_1|MIPS_SPL0)
119 #define MIPS_SPL_0_1_2 (MIPS_INT_MASK_2|MIPS_SPL_0_1)
120 #define MIPS_SPL_0_1_3 (MIPS_INT_MASK_3|MIPS_SPL_0_1)
121 #define MIPS_SPL_0_1_2_3 (MIPS_INT_MASK_3|MIPS_SPL_0_1_2)
122
123 /*
124 * Index into intrcnt[], which is defined in locore
125 */
126 extern u_long intrcnt[];
127
128 #define SERIAL0_INTR 0
129 #define SERIAL1_INTR 1
130 #define LANCE_INTR 2
131 #define SCSI_INTR 3
132 #define SLOT0_INTR 4
133 #define SLOT1_INTR 5
134 #define SLOT2_INTR 6
135 #define DTOP_INTR 7
136 #define ISDN_INTR 8
137 #define FLOPPY_INTR 9
138
139 struct intrhand {
140 int (*ih_func) __P((void *));
141 void *ih_arg;
142 };
143 extern struct intrhand intrtab[];
144
145 #define SYS_DEV_SCSI SCSI_INTR
146 #define SYS_DEV_LANCE LANCE_INTR
147 #define SYS_DEV_SCC0 SERIAL0_INTR
148 #define SYS_DEV_SCC1 SERIAL1_INTR
149 #define SYS_DEV_DTOP DTOP_INTR
150 #define SYS_DEV_FDC FLOPPY_INTR
151 #define SYS_DEV_ISDN ISDN_INTR
152 #define SYS_DEV_OPT0 SLOT0_INTR
153 #define SYS_DEV_OPT1 SLOT1_INTR
154 #define SYS_DEV_OPT2 SLOT2_INTR
155 #define SYS_DEV_BOGUS -1
156 #define MAX_DEV_NCOOKIES 10
157
158
159 struct pmax_intrhand {
160 LIST_ENTRY(pmax_intrhand) ih_q;
161 int (*ih_func)(void *);
162 void *ih_arg;
163 };
164
165 #include <mips/softintr.h>
166
167 extern struct evcnt pmax_clock_evcnt;
168 extern struct evcnt pmax_fpu_evcnt;
169 extern struct evcnt pmax_memerr_evcnt;
170
171 #endif /* !_LOCORE */
172 #endif /* _KERNEL */
173
174 #endif /* !_PMAX_INTR_H_ */
175