Annotation of sys/arch/sparc64/include/intr.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: intr.h,v 1.8 2004/06/28 01:47:41 aaron Exp $ */
2: /* $NetBSD: intr.h,v 1.8 2001/01/14 23:50:30 thorpej Exp $ */
3:
4: /*-
5: * Copyright (c) 1998 The NetBSD Foundation, Inc.
6: * All rights reserved.
7: *
8: * This code is derived from software contributed to The NetBSD Foundation
9: * by Paul Kranenburg.
10: *
11: * Redistribution and use in source and binary forms, with or without
12: * modification, are permitted provided that the following conditions
13: * are met:
14: * 1. Redistributions of source code must retain the above copyright
15: * notice, this list of conditions and the following disclaimer.
16: * 2. Redistributions in binary form must reproduce the above copyright
17: * notice, this list of conditions and the following disclaimer in the
18: * documentation and/or other materials provided with the distribution.
19: * 3. All advertising materials mentioning features or use of this software
20: * must display the following acknowledgement:
21: * This product includes software developed by the NetBSD
22: * Foundation, Inc. and its contributors.
23: * 4. Neither the name of The NetBSD Foundation nor the names of its
24: * contributors may be used to endorse or promote products derived
25: * from this software without specific prior written permission.
26: *
27: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37: * POSSIBILITY OF SUCH DAMAGE.
38: */
39:
40: #ifndef _SPARC64_INTR_H_
41: #define _SPARC64_INTR_H_
42:
43: #ifndef _SPARC64_INTREG_H_
44: #include <sparc64/sparc64/intreg.h>
45: #endif
46:
47: #include <sys/evcount.h>
48:
49: /*
50: * Interrupt handler chains. Interrupt handlers should return 0 for
51: * ``not me'' or 1 (``I took care of it''). intr_establish() inserts a
52: * handler into the list. The handler is called with its (single)
53: * argument, or with a pointer to a clockframe if ih_arg is NULL.
54: */
55: struct intrhand {
56: int (*ih_fun)(void *);
57: void *ih_arg;
58: short ih_number; /* interrupt number */
59: /* the H/W provides */
60: char ih_pil; /* interrupt priority */
61: volatile char ih_busy; /* handler is on list */
62: struct intrhand *ih_next; /* global list */
63: struct intrhand *ih_pending; /* pending list */
64: volatile u_int64_t *ih_map; /* interrupt map reg */
65: volatile u_int64_t *ih_clr; /* clear interrupt reg */
66: struct evcount ih_count; /* # of interrupts */
67: const void *ih_bus; /* parent bus */
68: char ih_name[32]; /* device name */
69: };
70:
71: extern struct intrhand *intrlev[MAXINTNUM];
72:
73: void intr_establish(int, struct intrhand *);
74:
75: /* XXX - arbitrary numbers; no interpretation is defined yet */
76: #define IPL_NONE 0 /* nothing */
77: #define IPL_SOFTINT 1 /* softint */
78: #define IPL_SOFTCLOCK 1 /* timeouts */
79: #define IPL_SOFTNET 1 /* protocol stack */
80: #define IPL_BIO PIL_BIO /* block I/O */
81: #define IPL_NET PIL_NET /* network */
82: #define IPL_SOFTSERIAL 4 /* serial */
83: #define IPL_TTY PIL_TTY /* terminal */
84: #define IPL_VM PIL_VM /* memory allocation */
85: #define IPL_AUDIO PIL_AUD /* audio */
86: #define IPL_CLOCK PIL_CLOCK /* clock */
87: #define IPL_SERIAL PIL_SER /* serial */
88: #define IPL_SCHED PIL_SCHED /* scheduler */
89: #define IPL_LOCK PIL_LOCK /* locks */
90: #define IPL_STATCLOCK PIL_STATCLOCK /* statclock */
91: #define IPL_HIGH PIL_HIGH /* everything */
92:
93: void *
94: softintr_establish(int level, void (*fun)(void *), void *arg);
95:
96: void
97: softintr_disestablish(void *cookie);
98:
99: void
100: softintr_schedule(void *cookie);
101:
102: #endif /* _SPARC64_INTR_H_ */
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