1/*-
2 * Copyright (c) 2010-2012 Hans Petter Selasky. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23 * SUCH DAMAGE.
24 */
25
26#ifndef _CUSE_DEFS_H_
27#define _CUSE_DEFS_H_
28
29#define CUSE_VERSION 0x000125
30
31#define CUSE_ERR_NONE 0
32#define CUSE_ERR_BUSY -1
33#define CUSE_ERR_WOULDBLOCK -2
34#define CUSE_ERR_INVALID -3
35#define CUSE_ERR_NO_MEMORY -4
36#define CUSE_ERR_FAULT -5
37#define CUSE_ERR_SIGNAL -6
38#define CUSE_ERR_OTHER -7
39#define CUSE_ERR_NOT_LOADED -8
40#define CUSE_ERR_NO_DEVICE -9
41
42#define CUSE_POLL_NONE 0
43#define CUSE_POLL_READ 1
44#define CUSE_POLL_WRITE 2
45#define CUSE_POLL_ERROR 4
46
47#define CUSE_FFLAG_NONE 0
48#define CUSE_FFLAG_READ 1
49#define CUSE_FFLAG_WRITE 2
50#define CUSE_FFLAG_NONBLOCK 4
51#define CUSE_FFLAG_COMPAT32 8 /* peer is running in 32-bit compat mode */
52
53#define CUSE_DBG_NONE 0
54#define CUSE_DBG_FULL 1
55
56/* maximum data transfer length */
57#define CUSE_LENGTH_MAX 0x7FFFFFFFU
58
59enum {
60 CUSE_CMD_NONE,
61 CUSE_CMD_OPEN,
62 CUSE_CMD_CLOSE,
63 CUSE_CMD_READ,
64 CUSE_CMD_WRITE,
65 CUSE_CMD_IOCTL,
66 CUSE_CMD_POLL,
67 CUSE_CMD_SIGNAL,
68 CUSE_CMD_SYNC,
69 CUSE_CMD_MAX,
70};
71
72#define CUSE_MAKE_ID(a,b,c,u) ((((a) & 0x7F) << 24)| \
73 (((b) & 0xFF) << 16)|(((c) & 0xFF) << 8)|((u) & 0xFF))
74
75#define CUSE_ID_MASK 0x7FFFFF00U
76
77/*
78 * The following ID's are defined:
79 * ===============================
80 */
81#define CUSE_ID_DEFAULT(what) CUSE_MAKE_ID(0,0,what,0)
82#define CUSE_ID_WEBCAMD(what) CUSE_MAKE_ID('W','C',what,0) /* Used by Webcamd. */
83#define CUSE_ID_SUNDTEK(what) CUSE_MAKE_ID('S','K',what,0) /* Used by Sundtek. */
84#define CUSE_ID_CX88(what) CUSE_MAKE_ID('C','X',what,0) /* Used by cx88 driver. */
85#define CUSE_ID_UHIDD(what) CUSE_MAKE_ID('U','D',what,0) /* Used by uhidd. */
86
87#endif /* _CUSE_DEFS_H_ */