1 | /* $NetBSD: intr.h,v 1.19 2015/08/17 06:16:03 knakahara Exp $ */ |
2 | |
3 | /*- |
4 | * Copyright (c) 2007 The NetBSD Foundation, Inc. |
5 | * All rights reserved. |
6 | * |
7 | * This code is derived from software contributed to The NetBSD Foundation |
8 | * by Andrew Doran. |
9 | * |
10 | * Redistribution and use in source and binary forms, with or without |
11 | * modification, are permitted provided that the following conditions |
12 | * are met: |
13 | * 1. Redistributions of source code must retain the above copyright |
14 | * notice, this list of conditions and the following disclaimer. |
15 | * 2. Redistributions in binary form must reproduce the above copyright |
16 | * notice, this list of conditions and the following disclaimer in the |
17 | * documentation and/or other materials provided with the distribution. |
18 | * |
19 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
20 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
21 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
23 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
29 | * POSSIBILITY OF SUCH DAMAGE. |
30 | */ |
31 | |
32 | #ifndef _SYS_INTR_H_ |
33 | #define _SYS_INTR_H_ |
34 | |
35 | #define INTRIDBUF 64 |
36 | #define INTRDEVNAMEBUF 256 |
37 | |
38 | #ifdef _KERNEL |
39 | |
40 | #include <sys/types.h> |
41 | |
42 | struct cpu_info; |
43 | |
44 | /* Public interface. */ |
45 | void *softint_establish(u_int, void (*)(void *), void *); |
46 | void softint_disestablish(void *); |
47 | void softint_schedule(void *); |
48 | void softint_schedule_cpu(void *, struct cpu_info *); |
49 | |
50 | /* MI hooks. */ |
51 | void softint_init(struct cpu_info *); |
52 | lwp_t *softint_picklwp(void); |
53 | void softint_overlay(void); |
54 | void softint_block(lwp_t *); |
55 | |
56 | /* MD-MI interface. */ |
57 | void softint_init_md(lwp_t *, u_int, uintptr_t *); |
58 | #ifndef __HAVE_MD_SOFTINT_TRIGGER |
59 | void softint_trigger(uintptr_t); |
60 | #endif |
61 | void softint_dispatch(lwp_t *, int); |
62 | |
63 | /* Flags for softint_establish(). */ |
64 | #define SOFTINT_BIO 0x0000 |
65 | #define SOFTINT_CLOCK 0x0001 |
66 | #define SOFTINT_SERIAL 0x0002 |
67 | #define SOFTINT_NET 0x0003 |
68 | #define SOFTINT_MPSAFE 0x0100 |
69 | #define SOFTINT_RCPU 0x0200 |
70 | |
71 | /* Implementation private flags. */ |
72 | #define SOFTINT_PENDING 0x1000 |
73 | #define SOFTINT_ACTIVE 0x2000 |
74 | |
75 | #define SOFTINT_COUNT 0x0004 |
76 | #define SOFTINT_LVLMASK 0x00ff |
77 | #define SOFTINT_IMPMASK 0xf000 |
78 | |
79 | extern u_int softint_timing; |
80 | |
81 | /* |
82 | * Historical aliases. |
83 | */ |
84 | #define IPL_BIO IPL_VM |
85 | #define IPL_NET IPL_VM |
86 | #define IPL_TTY IPL_VM |
87 | #define IPL_AUDIO IPL_SCHED |
88 | #define IPL_CLOCK IPL_SCHED |
89 | #define IPL_SERIAL IPL_HIGH |
90 | |
91 | #define splbio() splvm() |
92 | #define splnet() splvm() |
93 | #define spltty() splvm() |
94 | #define splaudio() splsched() |
95 | #define splclock() splsched() |
96 | #define splserial() splhigh() |
97 | |
98 | #include <machine/intr.h> |
99 | |
100 | #elif defined(_KMEMUSER) |
101 | #define SOFTINT_COUNT 0x0004 |
102 | #endif /* _KERNEL */ |
103 | |
104 | #endif /* _SYS_INTR_H_ */ |
105 | |