1 | /* $NetBSD: wseventvar.h,v 1.16 2015/09/06 06:01:01 dholland Exp $ */ |
2 | |
3 | /* |
4 | * Copyright (c) 1996, 1997 Christopher G. Demetriou. All rights reserved. |
5 | * |
6 | * Redistribution and use in source and binary forms, with or without |
7 | * modification, are permitted provided that the following conditions |
8 | * are met: |
9 | * 1. Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * 2. Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
14 | * 3. All advertising materials mentioning features or use of this software |
15 | * must display the following acknowledgement: |
16 | * This product includes software developed by Christopher G. Demetriou |
17 | * for the NetBSD Project. |
18 | * 4. The name of the author may not be used to endorse or promote products |
19 | * derived from this software without specific prior written permission |
20 | * |
21 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
22 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
23 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
24 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
25 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
26 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
27 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
28 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
29 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
30 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
31 | */ |
32 | |
33 | /* |
34 | * Copyright (c) 1992, 1993 |
35 | * The Regents of the University of California. All rights reserved. |
36 | * |
37 | * This software was developed by the Computer Systems Engineering group |
38 | * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and |
39 | * contributed to Berkeley. |
40 | * |
41 | * All advertising materials mentioning features or use of this software |
42 | * must display the following acknowledgement: |
43 | * This product includes software developed by the University of |
44 | * California, Lawrence Berkeley Laboratory. |
45 | * |
46 | * Redistribution and use in source and binary forms, with or without |
47 | * modification, are permitted provided that the following conditions |
48 | * are met: |
49 | * 1. Redistributions of source code must retain the above copyright |
50 | * notice, this list of conditions and the following disclaimer. |
51 | * 2. Redistributions in binary form must reproduce the above copyright |
52 | * notice, this list of conditions and the following disclaimer in the |
53 | * documentation and/or other materials provided with the distribution. |
54 | * 3. Neither the name of the University nor the names of its contributors |
55 | * may be used to endorse or promote products derived from this software |
56 | * without specific prior written permission. |
57 | * |
58 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
59 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
60 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
61 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
62 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
63 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
64 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
65 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
66 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
67 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
68 | * SUCH DAMAGE. |
69 | * |
70 | * @(#)event_var.h 8.1 (Berkeley) 6/11/93 |
71 | */ |
72 | |
73 | #include <sys/ioccom.h> |
74 | |
75 | /* |
76 | * Internal "wscons_event" queue interface for the keyboard and mouse drivers. |
77 | * The drivers are expected not to place events in the queue above spltty(), |
78 | * i.e., are expected to run off serial ports or similar devices. |
79 | */ |
80 | |
81 | struct wseventvar { |
82 | u_int get; /* get (read) index (modified synchronously) */ |
83 | volatile u_int put; /* put (write) index (modified by interrupt) */ |
84 | struct selinfo sel; /* process selecting */ |
85 | struct proc *io; /* process that opened queue (can get SIGIO) */ |
86 | void *sih; /* soft interrupt handle for signals */ |
87 | int wanted; /* wake up on input ready */ |
88 | int async; /* send SIGIO on input ready */ |
89 | struct wscons_event *q; /* circular buffer (queue) of events */ |
90 | int version; /* event version */ |
91 | }; |
92 | |
93 | void wsevent_init(struct wseventvar *, struct proc *); |
94 | void wsevent_fini(struct wseventvar *); |
95 | int wsevent_read(struct wseventvar *, struct uio *, int); |
96 | int wsevent_poll(struct wseventvar *, int, struct lwp *); |
97 | int wsevent_kqfilter(struct wseventvar *, struct knote *); |
98 | void wsevent_wakeup(struct wseventvar *); |
99 | int wsevent_inject(struct wseventvar *, struct wscons_event *, size_t); |
100 | int wsevent_setversion(struct wseventvar *, int); |
101 | |
102 | /* |
103 | * COMPAT_50 |
104 | */ |
105 | #include <compat/sys/time.h> |
106 | |
107 | struct owscons_event { |
108 | u_int type; |
109 | int value; |
110 | struct timespec50 time; |
111 | }; |
112 | |
113 | #define WSMUXIO_OINJECTEVENT _IOW('W', 96, struct owscons_event) |
114 | |
115 | |