1 /* $FreeBSD: releng/11.0/sys/fs/cuse/cuse_defs.h 266581 2014-05-23 08:46:28Z hselasky $ */
2 /*-
3 * Copyright (c) 2010-2012 Hans Petter Selasky. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27 #ifndef _CUSE_DEFS_H_
28 #define _CUSE_DEFS_H_
29
30 #define CUSE_VERSION 0x000122
31
32 #define CUSE_ERR_NONE 0
33 #define CUSE_ERR_BUSY -1
34 #define CUSE_ERR_WOULDBLOCK -2
35 #define CUSE_ERR_INVALID -3
36 #define CUSE_ERR_NO_MEMORY -4
37 #define CUSE_ERR_FAULT -5
38 #define CUSE_ERR_SIGNAL -6
39 #define CUSE_ERR_OTHER -7
40 #define CUSE_ERR_NOT_LOADED -8
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
52 #define CUSE_DBG_NONE 0
53 #define CUSE_DBG_FULL 1
54
55 /* maximum data transfer length */
56 #define CUSE_LENGTH_MAX 0x7FFFFFFFU
57
58 enum {
59 CUSE_CMD_NONE,
60 CUSE_CMD_OPEN,
61 CUSE_CMD_CLOSE,
62 CUSE_CMD_READ,
63 CUSE_CMD_WRITE,
64 CUSE_CMD_IOCTL,
65 CUSE_CMD_POLL,
66 CUSE_CMD_SIGNAL,
67 CUSE_CMD_SYNC,
68 CUSE_CMD_MAX,
69 };
70
71 #define CUSE_MAKE_ID(a,b,c,u) ((((a) & 0x7F) << 24)| \
72 (((b) & 0xFF) << 16)|(((c) & 0xFF) << 8)|((u) & 0xFF))
73
74 #define CUSE_ID_MASK 0x7FFFFF00U
75
76 /*
77 * The following ID's are defined:
78 * ===============================
79 */
80 #define CUSE_ID_DEFAULT(what) CUSE_MAKE_ID(0,0,what,0)
81 #define CUSE_ID_WEBCAMD(what) CUSE_MAKE_ID('W','C',what,0) /* Used by Webcamd. */
82 #define CUSE_ID_SUNDTEK(what) CUSE_MAKE_ID('S','K',what,0) /* Used by Sundtek. */
83 #define CUSE_ID_CX88(what) CUSE_MAKE_ID('C','X',what,0) /* Used by cx88 driver. */
84 #define CUSE_ID_UHIDD(what) CUSE_MAKE_ID('U','D',what,0) /* Used by uhidd. */
85
86 #endif /* _CUSE_DEFS_H_ */
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