xref: /netbsd-src/sys/rump/include/machine/intr.h (revision 82d56013d7b633d116a93943de88e08335357a7c)
1 /*	$NetBSD: intr.h,v 1.22 2018/04/19 21:50:10 christos Exp $	*/
2 
3 /*
4  * Copyright (c) 2009, 2010 Antti Kantee.  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  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
16  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18  * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  */
27 
28 #ifndef _SYS_RUMP_INTR_H_
29 #define _SYS_RUMP_INTR_H_
30 
31 #ifndef _LOCORE
32 
33 typedef uint8_t ipl_t;
34 typedef struct {
35         ipl_t _ipl;
36 } ipl_cookie_t;
37 
38 static __inline ipl_cookie_t
39 makeiplcookie(ipl_t ipl)
40 {
41 	ipl_cookie_t c;
42 	c._ipl = ipl;
43 	return c;
44 }
45 
46 #endif /* !_LOCORE */
47 
48 #define spllower(x) ((void)x)
49 #define splraise(x) 0
50 #define splsoftserial() 0
51 #define splsoftnet() 0
52 #define splsoftclock() 0
53 #define splhigh() 0
54 #define splsched() 0
55 #define splvm() 0
56 #define splx(x) ((void)x)
57 #define spl0() ((void)0)
58 
59 /*
60  * IPL_* does not mean anything to a run-to-completition rump kernel,
61  * but we sometimes assert a "not higher than" condition, so we assign
62  * different values (following spl(9)).
63  */
64 #define IPL_NONE 0
65 #define	IPL_SOFTCLOCK 1
66 #define	IPL_SOFTBIO 2
67 #define	IPL_SOFTNET 3
68 #define IPL_SOFTSERIAL 4
69 #define IPL_VM 5
70 #define IPL_SCHED 6
71 #define IPL_HIGH 7
72 
73 #define	splraiseipl(COOKIE)	0
74 
75 #endif /* _SYS_RUMP_INTR_H_ */
76