intr.h revision 1.1.18.6 1 1.1.18.6 yamt /* $NetBSD: intr.h,v 1.1.18.6 2007/12/07 17:24:40 yamt Exp $ */
2 1.1.18.2 yamt
3 1.1.18.2 yamt /*-
4 1.1.18.2 yamt * Copyright (c) 2000, 2001, 2004 The NetBSD Foundation, Inc.
5 1.1.18.2 yamt * All rights reserved.
6 1.1.18.2 yamt *
7 1.1.18.2 yamt * This code is derived from software contributed to The NetBSD Foundation
8 1.1.18.2 yamt * by Jason R. Thorpe.
9 1.1.18.2 yamt *
10 1.1.18.2 yamt * Redistribution and use in source and binary forms, with or without
11 1.1.18.2 yamt * modification, are permitted provided that the following conditions
12 1.1.18.2 yamt * are met:
13 1.1.18.2 yamt * 1. Redistributions of source code must retain the above copyright
14 1.1.18.2 yamt * notice, this list of conditions and the following disclaimer.
15 1.1.18.2 yamt * 2. Redistributions in binary form must reproduce the above copyright
16 1.1.18.2 yamt * notice, this list of conditions and the following disclaimer in the
17 1.1.18.2 yamt * documentation and/or other materials provided with the distribution.
18 1.1.18.2 yamt * 3. All advertising materials mentioning features or use of this software
19 1.1.18.2 yamt * must display the following acknowledgement:
20 1.1.18.2 yamt * This product includes software developed by the NetBSD
21 1.1.18.2 yamt * Foundation, Inc. and its contributors.
22 1.1.18.2 yamt * 4. Neither the name of The NetBSD Foundation nor the names of its
23 1.1.18.2 yamt * contributors may be used to endorse or promote products derived
24 1.1.18.2 yamt * from this software without specific prior written permission.
25 1.1.18.2 yamt *
26 1.1.18.2 yamt * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 1.1.18.2 yamt * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 1.1.18.2 yamt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 1.1.18.2 yamt * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 1.1.18.2 yamt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 1.1.18.2 yamt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 1.1.18.2 yamt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 1.1.18.2 yamt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 1.1.18.2 yamt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 1.1.18.2 yamt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 1.1.18.2 yamt * POSSIBILITY OF SUCH DAMAGE.
37 1.1.18.2 yamt */
38 1.1.18.2 yamt
39 1.1.18.2 yamt #ifndef _EWS4800MIPS_INTR_H_
40 1.1.18.2 yamt #define _EWS4800MIPS_INTR_H_
41 1.1.18.2 yamt
42 1.1.18.2 yamt #include <sys/device.h>
43 1.1.18.2 yamt #include <sys/lock.h>
44 1.1.18.2 yamt #include <sys/queue.h>
45 1.1.18.2 yamt
46 1.1.18.2 yamt #define IPL_NONE 0 /* disable only this interrupt */
47 1.1.18.6 yamt #define IPL_SOFTCLOCK 1 /* clock software interrupts (SI 0) */
48 1.1.18.6 yamt #define IPL_SOFTBIO 1 /* bio software interrupts (SI 0) */
49 1.1.18.6 yamt #define IPL_SOFTNET 2 /* network software interrupts (SI 1) */
50 1.1.18.6 yamt #define IPL_SOFTSERIAL 2 /* serial software interrupts (SI 1) */
51 1.1.18.6 yamt #define IPL_VM 3
52 1.1.18.6 yamt #define IPL_SCHED 4 /* disable clock interrupts */
53 1.1.18.6 yamt #define IPL_HIGH 4 /* disable all interrupts */
54 1.1.18.2 yamt
55 1.1.18.6 yamt #define _IPL_N 5
56 1.1.18.2 yamt
57 1.1.18.6 yamt #define _IPL_SI0_FIRST IPL_SOFTCLOCK
58 1.1.18.6 yamt #define _IPL_SI0_LAST IPL_SOFTBIO
59 1.1.18.2 yamt
60 1.1.18.2 yamt #define _IPL_SI1_FIRST IPL_SOFTNET
61 1.1.18.2 yamt #define _IPL_SI1_LAST IPL_SOFTSERIAL
62 1.1.18.2 yamt
63 1.1.18.2 yamt #define IST_UNUSABLE -1 /* interrupt cannot be used */
64 1.1.18.2 yamt #define IST_NONE 0 /* none (dummy) */
65 1.1.18.2 yamt #define IST_PULSE 1 /* pulsed */
66 1.1.18.2 yamt #define IST_EDGE 2 /* edge-triggered */
67 1.1.18.2 yamt #define IST_LEVEL 3 /* level-triggered */
68 1.1.18.2 yamt
69 1.1.18.5 yamt #include <mips/locore.h>
70 1.1.18.2 yamt
71 1.1.18.2 yamt extern const uint32_t *ipl_sr_bits;
72 1.1.18.2 yamt
73 1.1.18.2 yamt #define spl0() (void) _spllower(0)
74 1.1.18.2 yamt #define splx(s) (void) _splset(s)
75 1.1.18.2 yamt
76 1.1.18.3 yamt typedef int ipl_t;
77 1.1.18.3 yamt typedef struct {
78 1.1.18.3 yamt ipl_t _sr;
79 1.1.18.3 yamt } ipl_cookie_t;
80 1.1.18.3 yamt
81 1.1.18.3 yamt static inline ipl_cookie_t
82 1.1.18.3 yamt makeiplcookie(ipl_t ipl)
83 1.1.18.3 yamt {
84 1.1.18.3 yamt
85 1.1.18.3 yamt return (ipl_cookie_t){._sr = ipl_sr_bits[ipl]};
86 1.1.18.3 yamt }
87 1.1.18.3 yamt
88 1.1.18.3 yamt static inline int
89 1.1.18.3 yamt splraiseipl(ipl_cookie_t icookie)
90 1.1.18.3 yamt {
91 1.1.18.3 yamt
92 1.1.18.3 yamt return _splraise(icookie._sr);
93 1.1.18.3 yamt }
94 1.1.18.3 yamt
95 1.1.18.3 yamt #include <sys/spl.h>
96 1.1.18.3 yamt
97 1.1.18.2 yamt void intr_init(void);
98 1.1.18.2 yamt void intr_establish(int, int (*)(void *), void *);
99 1.1.18.2 yamt void intr_disestablish(void *);
100 1.1.18.2 yamt
101 1.1.18.2 yamt #endif /* !_EWS4800MIPS_INTR_H_ */
102