xref: /netbsd-src/sys/arch/powerpc/include/softint.h (revision 1b9578b8c2c1f848eeb16dabbfd7d1f0d9fdefbd)
1 /*	$NetBSD: softint.h,v 1.1 2011/06/14 22:36:12 matt Exp $	*/
2 /*-
3  * Copyright (c) 2010, 2011 The NetBSD Foundation, Inc.
4  * All rights reserved.
5  *
6  * This code is derived from software contributed to The NetBSD Foundation
7  * by Raytheon BBN Technologies Corp and Defense Advanced Research Projects
8  * Agency and which was developed by Matt Thomas of 3am Software Foundry.
9  *
10  * This material is based upon work supported by the Defense Advanced Research
11  * Projects Agency and Space and Naval Warfare Systems Center, Pacific, under
12  * Contract No. N66001-09-C-2073.
13  * Approved for Public Release, Distribution Unlimited
14  *
15  * Redistribution and use in source and binary forms, with or without
16  * modification, are permitted provided that the following conditions
17  * are met:
18  * 1. Redistributions of source code must retain the above copyright
19  *    notice, this list of conditions and the following disclaimer.
20  * 2. Redistributions in binary form must reproduce the above copyright
21  *    notice, this list of conditions and the following disclaimer in the
22  *    documentation and/or other materials provided with the distribution.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
25  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
26  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
27  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
28  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
29  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
30  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
31  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
32  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
33  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
34  * POSSIBILITY OF SUCH DAMAGE.
35  */
36 
37 #ifdef __INTR_PRIVATE
38 #ifndef _POWERPC_SOFTINT_H_
39 #define _POWERPC_SOFTINT_H_
40 
41 #include <sys/intr.h>
42 
43 #ifdef __HAVE_FAST_SOFTINTS
44 
45 #ifdef __HAVE_PREEMPTION
46 #define	IPL_PREEMPT_SOFTMASK	(1 << IPL_NONE)
47 #else
48 #define	IPL_PREEMPT_SOFTMASK	0
49 #endif
50 
51 #define	IPL_SOFTMASK \
52 	    ((1 << IPL_SOFTSERIAL) | (1 << IPL_SOFTNET   )	\
53 	    |(1 << IPL_SOFTBIO   ) | (1 << IPL_SOFTCLOCK )	\
54 	    |IPL_PREEMPT_SOFTMASK)
55 
56 #define SOFTINT2IPL_MAP \
57 	    ((IPL_SOFTSERIAL << (4*SOFTINT_SERIAL))	\
58 	    |(IPL_SOFTNET    << (4*SOFTINT_NET   ))	\
59 	    |(IPL_SOFTBIO    << (4*SOFTINT_BIO   ))	\
60 	    |(IPL_SOFTCLOCK  << (4*SOFTINT_CLOCK )))
61 #define	SOFTINT2IPL(si_level)	((SOFTINT2IPL_MAP >> (4 * (si_level))) & 0x0f)
62 #define IPL2SOFTINT_MAP \
63 	    ((SOFTINT_SERIAL << (4*IPL_SOFTSERIAL))	\
64 	    |(SOFTINT_NET    << (4*IPL_SOFTNET   ))	\
65 	    |(SOFTINT_BIO    << (4*IPL_SOFTBIO   ))	\
66 	    |(SOFTINT_CLOCK  << (4*IPL_SOFTCLOCK )))
67 #define	IPL2SOFTINT(ipl)	((IPL2SOFTINT_MAP >> (4 * (ipl))) & 0x0f)
68 
69 #ifdef _KERNEL
70 void	powerpc_softint(struct cpu_info *, int, vaddr_t);
71 void	powerpc_softint_init_md(lwp_t *, u_int, uintptr_t *);
72 void	powerpc_softint_trigger(uintptr_t);
73 #endif
74 
75 #endif /* __HAVE_FAST_SOFTINTS */
76 #endif /* !_POWERPC_SOFTINT_H_ */
77 #endif /* __INTR_PRIVATE */
78