| 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 | |