xref: /netbsd-src/sys/arch/sparc64/include/intr.h (revision aaf4ece63a859a04e37cf3a7229b5fab0157cc06)
1 /*	$NetBSD: intr.h,v 1.12 2005/12/11 12:19:10 christos Exp $ */
2 
3 /*-
4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Paul Kranenburg.
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  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *        This product includes software developed by the NetBSD
21  *        Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 #ifndef _SPARC64_INTR_H_
40 #define _SPARC64_INTR_H_
41 
42 #include <machine/cpuset.h>
43 
44 /* XXX - arbitrary numbers; no interpretation is defined yet */
45 #define	IPL_NONE	0		/* nothing */
46 #define	IPL_SOFTINT	1		/* softint */
47 #define	IPL_SOFTCLOCK	1		/* timeouts */
48 #define	IPL_SOFTNET	1		/* protocol stack */
49 #define	IPL_BIO		PIL_BIO		/* block I/O */
50 #define	IPL_NET		PIL_NET		/* network */
51 #define	IPL_SOFTSERIAL	4		/* serial */
52 #define	IPL_TTY		PIL_TTY		/* terminal */
53 #define	IPL_VM		PIL_IMP		/* memory allocation */
54 #define	IPL_AUDIO	PIL_AUD		/* audio */
55 #define	IPL_CLOCK	PIL_CLOCK	/* clock */
56 #define	IPL_SERIAL	PIL_SER		/* serial */
57 #define	IPL_SCHED	PIL_SCHED	/* scheduler */
58 #define	IPL_LOCK	PIL_LOCK	/* locks */
59 #define	IPL_HIGH	PIL_HIGH	/* everything */
60 #define	IPL_HALT	5		/* cpu stop-self */
61 #define	IPL_PAUSE	13		/* pause cpu */
62 
63 /*
64  * Interprocessor interrupts. In order how we want them processed.
65  */
66 #define	SPARC64_IPI_HALT	(1UL << 0)
67 #define	SPARC64_IPI_PAUSE	(1UL << 1)
68 #define	SPARC64_IPI_FLUSH_PTE	(1UL << 2)
69 #define	SPARC64_IPI_FLUSH_CTX	(1UL << 3)
70 #define	SPARC64_IPI_FLUSH_ALL	(1UL << 4)
71 #define	SPARC64_IPI_SAVE_FP	(1UL << 5)
72 
73 #define SPARC64_NIPIS		6
74 
75 #if defined(MULTIPROCESSOR)
76 void	sparc64_ipi_init (void);
77 void	sparc64_multicast_ipi (cpuset_t, u_long);
78 void	sparc64_broadcast_ipi (u_long);
79 void	sparc64_send_ipi (int, u_long);
80 void	sparc64_ipi_halt_cpus (void);
81 void	sparc64_ipi_pause_cpus (void);
82 void	sparc64_ipi_resume_cpus (void);
83 #endif
84 
85 void *softintr_establish (int level, void (*fun)(void *), void *arg);
86 void  softintr_disestablish (void *cookie);
87 void  softintr_schedule (void *cookie);
88 
89 #endif /* _SPARC64_INTR_H_ */
90