1/*	$NetBSD: softint.h,v 1.2 2013/08/23 06:18:14 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#ifndef _POWERPC_SOFTINT_H_
38#define _POWERPC_SOFTINT_H_
39
40#ifdef __HAVE_FAST_SOFTINTS
41
42#ifdef __INTR_PRIVATE
43#ifdef __HAVE_PREEMPTION
44#define	IPL_PREEMPT_SOFTMASK	(1 << IPL_NONE)
45#else
46#define	IPL_PREEMPT_SOFTMASK	0
47#endif
48
49#define	IPL_SOFTMASK \
50	    ((1 << IPL_SOFTSERIAL) | (1 << IPL_SOFTNET   )	\
51	    |(1 << IPL_SOFTBIO   ) | (1 << IPL_SOFTCLOCK )	\
52	    |IPL_PREEMPT_SOFTMASK)
53
54#define SOFTINT2IPL_MAP \
55	    ((IPL_SOFTSERIAL << (4*SOFTINT_SERIAL))	\
56	    |(IPL_SOFTNET    << (4*SOFTINT_NET   ))	\
57	    |(IPL_SOFTBIO    << (4*SOFTINT_BIO   ))	\
58	    |(IPL_SOFTCLOCK  << (4*SOFTINT_CLOCK )))
59#define	SOFTINT2IPL(si_level)	((SOFTINT2IPL_MAP >> (4 * (si_level))) & 0x0f)
60#define IPL2SOFTINT_MAP \
61	    ((SOFTINT_SERIAL << (4*IPL_SOFTSERIAL))	\
62	    |(SOFTINT_NET    << (4*IPL_SOFTNET   ))	\
63	    |(SOFTINT_BIO    << (4*IPL_SOFTBIO   ))	\
64	    |(SOFTINT_CLOCK  << (4*IPL_SOFTCLOCK )))
65#define	IPL2SOFTINT(ipl)	((IPL2SOFTINT_MAP >> (4 * (ipl))) & 0x0f)
66
67#endif /* __INTR_PRIVATE */
68
69#ifdef _KERNEL
70struct cpu_info;
71void	powerpc_softint(struct cpu_info *, int, vaddr_t);
72void	powerpc_softint_init_md(lwp_t *, u_int, uintptr_t *);
73void	powerpc_softint_trigger(uintptr_t);
74#endif
75
76#endif /* __HAVE_FAST_SOFTINTS */
77#endif /* !_POWERPC_SOFTINT_H_ */
78