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_ */