evtchn.h revision 1.2 1 1.2 bouyer /* $NetBSD: evtchn.h,v 1.2 2005/03/09 22:39:20 bouyer Exp $ */
2 1.2 bouyer
3 1.2 bouyer /*
4 1.2 bouyer *
5 1.2 bouyer * Copyright (c) 2004 Christian Limpach.
6 1.2 bouyer * All rights reserved.
7 1.2 bouyer *
8 1.2 bouyer * Redistribution and use in source and binary forms, with or without
9 1.2 bouyer * modification, are permitted provided that the following conditions
10 1.2 bouyer * are met:
11 1.2 bouyer * 1. Redistributions of source code must retain the above copyright
12 1.2 bouyer * notice, this list of conditions and the following disclaimer.
13 1.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright
14 1.2 bouyer * notice, this list of conditions and the following disclaimer in the
15 1.2 bouyer * documentation and/or other materials provided with the distribution.
16 1.2 bouyer * 3. All advertising materials mentioning features or use of this software
17 1.2 bouyer * must display the following acknowledgement:
18 1.2 bouyer * This product includes software developed by Christian Limpach.
19 1.2 bouyer * 4. The name of the author may not be used to endorse or promote products
20 1.2 bouyer * derived from this software without specific prior written permission.
21 1.2 bouyer *
22 1.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 1.2 bouyer * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 1.2 bouyer * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 1.2 bouyer * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26 1.2 bouyer * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 1.2 bouyer * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 1.2 bouyer * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 1.2 bouyer * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 1.2 bouyer * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 1.2 bouyer * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 1.2 bouyer */
33 1.2 bouyer
34 1.2 bouyer #ifndef _XEN_EVENTS_H_
35 1.2 bouyer #define _XEN_EVENTS_H_
36 1.2 bouyer
37 1.2 bouyer #define NR_IRQS 32
38 1.2 bouyer #define NR_PIRQS 32 /* XXX is this enouth ? */
39 1.2 bouyer
40 1.2 bouyer extern int evtchn_to_irq[];
41 1.2 bouyer
42 1.2 bouyer /* typedef unsigned int (*ev_handler_t)(int, struct pt_regs *); */
43 1.2 bouyer typedef int (*ev_handler_t)(void *);
44 1.2 bouyer
45 1.2 bouyer void events_default_setup(void);
46 1.2 bouyer void init_events(void);
47 1.2 bouyer unsigned int do_event(int, struct intrframe *);
48 1.2 bouyer int event_set_handler(int, ev_handler_t, void *, int);
49 1.2 bouyer int event_remove_handler(int, ev_handler_t, void *);
50 1.2 bouyer
51 1.2 bouyer int bind_virq_to_irq(int);
52 1.2 bouyer int bind_pirq_to_irq(int);
53 1.2 bouyer void unbind_pirq_from_irq(int);
54 1.2 bouyer void unbind_virq_from_irq(int);
55 1.2 bouyer int bind_evtchn_to_irq(int);
56 1.2 bouyer int unbind_evtchn_to_irq(int);
57 1.2 bouyer
58 1.2 bouyer struct pintrhand {
59 1.2 bouyer int pirq;
60 1.2 bouyer int irq;
61 1.2 bouyer int (*func)(void *);
62 1.2 bouyer void *arg;
63 1.2 bouyer };
64 1.2 bouyer
65 1.2 bouyer struct pintrhand *pirq_establish(int, int, int (*)(void *), void *, int);
66 1.2 bouyer
67 1.2 bouyer #endif /* _XEN_EVENTS_H_ */
68