intr.h revision 1.1.2.2 1 1.1.2.2 garbled /* $NetBSD: intr.h,v 1.1.2.2 2007/05/08 18:24:57 garbled Exp $ */
2 1.1.2.1 macallan
3 1.1.2.1 macallan /*-
4 1.1.2.1 macallan * Copyright (c) 2007 Michael Lorenz
5 1.1.2.1 macallan * All rights reserved.
6 1.1.2.1 macallan *
7 1.1.2.1 macallan * Redistribution and use in source and binary forms, with or without
8 1.1.2.1 macallan * modification, are permitted provided that the following conditions
9 1.1.2.1 macallan * are met:
10 1.1.2.1 macallan * 1. Redistributions of source code must retain the above copyright
11 1.1.2.1 macallan * notice, this list of conditions and the following disclaimer.
12 1.1.2.1 macallan * 2. Redistributions in binary form must reproduce the above copyright
13 1.1.2.1 macallan * notice, this list of conditions and the following disclaimer in the
14 1.1.2.1 macallan * documentation and/or other materials provided with the distribution.
15 1.1.2.1 macallan * 3. Neither the name of The NetBSD Foundation nor the names of its
16 1.1.2.1 macallan * contributors may be used to endorse or promote products derived
17 1.1.2.1 macallan * from this software without specific prior written permission.
18 1.1.2.1 macallan *
19 1.1.2.1 macallan * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 1.1.2.1 macallan * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 1.1.2.1 macallan * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 1.1.2.1 macallan * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 1.1.2.1 macallan * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 1.1.2.1 macallan * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 1.1.2.1 macallan * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 1.1.2.1 macallan * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 1.1.2.1 macallan * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 1.1.2.1 macallan * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 1.1.2.1 macallan * POSSIBILITY OF SUCH DAMAGE.
30 1.1.2.1 macallan */
31 1.1.2.1 macallan
32 1.1.2.1 macallan #include <sys/cdefs.h>
33 1.1.2.2 garbled __KERNEL_RCSID(0, "$NetBSD: intr.h,v 1.1.2.2 2007/05/08 18:24:57 garbled Exp $");
34 1.1.2.1 macallan
35 1.1.2.1 macallan #ifndef POWERPC_INTR_MACHDEP_H
36 1.1.2.1 macallan #define POWERPC_INTR_MACHDEP_H
37 1.1.2.1 macallan
38 1.1.2.1 macallan void *intr_establish(int, int, int, int (*)(void *), void *);
39 1.1.2.1 macallan void intr_disestablish(void *);
40 1.1.2.1 macallan const char *intr_typename(int);
41 1.1.2.1 macallan
42 1.1.2.1 macallan /* Interrupt priority `levels'. */
43 1.1.2.1 macallan #define IPL_NONE 0 /* nothing */
44 1.1.2.1 macallan #define IPL_SOFTCLOCK 1 /* timeouts */
45 1.1.2.1 macallan #define IPL_SOFTNET 2 /* protocol stacks */
46 1.1.2.1 macallan #define IPL_BIO 3 /* block I/O */
47 1.1.2.1 macallan #define IPL_NET 4 /* network */
48 1.1.2.1 macallan #define IPL_SOFTSERIAL 5 /* serial */
49 1.1.2.1 macallan #define IPL_AUDIO 6 /* audio */
50 1.1.2.1 macallan #define IPL_TTY 7 /* terminal */
51 1.1.2.1 macallan #define IPL_LPT IPL_TTY
52 1.1.2.1 macallan #define IPL_VM 8 /* memory allocation */
53 1.1.2.1 macallan #define IPL_CLOCK 9
54 1.1.2.1 macallan #define IPL_STATCLOCK 10 /* clock */
55 1.1.2.1 macallan #define IPL_SCHED 11
56 1.1.2.1 macallan #define IPL_SERIAL 12 /* serial */
57 1.1.2.1 macallan #define IPL_LOCK 13
58 1.1.2.1 macallan #define IPL_HIGH 14 /* everything */
59 1.1.2.1 macallan #define NIPL 15
60 1.1.2.1 macallan
61 1.1.2.1 macallan /* Interrupt sharing types. */
62 1.1.2.1 macallan #define IST_NONE 0 /* none */
63 1.1.2.1 macallan #define IST_PULSE 1 /* pulsed */
64 1.1.2.1 macallan #define IST_EDGE 2 /* edge-triggered */
65 1.1.2.1 macallan #define IST_LEVEL 3 /* level-triggered */
66 1.1.2.1 macallan
67 1.1.2.2 garbled #ifndef _LOCORE
68 1.1.2.2 garbled #include <powerpc/softintr.h>
69 1.1.2.2 garbled
70 1.1.2.2 garbled /*
71 1.1.2.2 garbled * Interrupt handler chains. intr_establish() inserts a handler into
72 1.1.2.2 garbled * the list. The handler is called with its (single) argument.
73 1.1.2.2 garbled */
74 1.1.2.2 garbled struct intrhand {
75 1.1.2.2 garbled int (*ih_fun)(void *);
76 1.1.2.2 garbled void *ih_arg;
77 1.1.2.2 garbled struct intrhand *ih_next;
78 1.1.2.2 garbled int ih_level;
79 1.1.2.2 garbled int ih_irq;
80 1.1.2.2 garbled };
81 1.1.2.2 garbled
82 1.1.2.2 garbled void softnet(int);
83 1.1.2.2 garbled void softserial(void);
84 1.1.2.2 garbled int splraise(int);
85 1.1.2.2 garbled int spllower(int);
86 1.1.2.2 garbled void splx(int);
87 1.1.2.2 garbled void softintr(int);
88 1.1.2.2 garbled
89 1.1.2.2 garbled extern volatile int astpending, tickspending;
90 1.1.2.2 garbled extern int imask[];
91 1.1.2.2 garbled
92 1.1.2.2 garbled /* Soft interrupt masks. */
93 1.1.2.2 garbled #define SIR_CLOCK 28
94 1.1.2.2 garbled #define SIR_NET 29
95 1.1.2.2 garbled #define SIR_SERIAL 30
96 1.1.2.2 garbled #define SPL_CLOCK 31
97 1.1.2.2 garbled
98 1.1.2.2 garbled #define setsoftclock() softintr(SIR_CLOCK)
99 1.1.2.2 garbled #define setsoftnet() softintr(SIR_NET)
100 1.1.2.2 garbled #define setsoftserial() softintr(SIR_SERIAL)
101 1.1.2.2 garbled
102 1.1.2.2 garbled #define spl0() spllower(0)
103 1.1.2.2 garbled
104 1.1.2.2 garbled typedef int ipl_t;
105 1.1.2.2 garbled typedef struct {
106 1.1.2.2 garbled ipl_t _ipl;
107 1.1.2.2 garbled } ipl_cookie_t;
108 1.1.2.2 garbled
109 1.1.2.2 garbled static inline ipl_cookie_t
110 1.1.2.2 garbled makeiplcookie(ipl_t ipl)
111 1.1.2.2 garbled {
112 1.1.2.2 garbled
113 1.1.2.2 garbled return (ipl_cookie_t){._ipl = ipl};
114 1.1.2.2 garbled }
115 1.1.2.2 garbled
116 1.1.2.2 garbled static inline int
117 1.1.2.2 garbled splraiseipl(ipl_cookie_t icookie)
118 1.1.2.2 garbled {
119 1.1.2.2 garbled
120 1.1.2.2 garbled return splraise(imask[icookie._ipl]);
121 1.1.2.2 garbled }
122 1.1.2.2 garbled
123 1.1.2.2 garbled #include <sys/spl.h>
124 1.1.2.2 garbled
125 1.1.2.2 garbled #endif /* _LOCORE */
126 1.1.2.1 macallan
127 1.1.2.1 macallan #endif /* POWERPC_INTR_MACHDEP_H */
128