1239310Sdim/*-
2239310Sdim * Copyright (c) 1998 Nicolas Souchu
3239310Sdim * All rights reserved.
4239310Sdim *
5239310Sdim * Redistribution and use in source and binary forms, with or without
6239310Sdim * modification, are permitted provided that the following conditions
7239310Sdim * are met:
8239310Sdim * 1. Redistributions of source code must retain the above copyright
9239310Sdim *    notice, this list of conditions and the following disclaimer.
10239310Sdim * 2. Redistributions in binary form must reproduce the above copyright
11239310Sdim *    notice, this list of conditions and the following disclaimer in the
12239310Sdim *    documentation and/or other materials provided with the distribution.
13239310Sdim *
14239310Sdim * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15239310Sdim * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16239310Sdim * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17239310Sdim * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18239310Sdim * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19239310Sdim * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20239310Sdim * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21239310Sdim * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22239310Sdim * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23239310Sdim * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24239310Sdim * SUCH DAMAGE.
25239310Sdim *
26243830Sdim * $FreeBSD$
27243830Sdim *
28239310Sdim */
29239310Sdim#ifndef __SMB_H
30239310Sdim#define __SMB_H
31239310Sdim
32239310Sdim#include <sys/ioccom.h>
33239310Sdim
34239310Sdimstruct smbcmd {
35239310Sdim	char cmd;
36239310Sdim	int count;
37239310Sdim	u_char slave;
38239310Sdim	union {
39239310Sdim		char byte;
40239310Sdim		short word;
41239310Sdim
42239310Sdim		char *byte_ptr;
43239310Sdim		short *word_ptr;
44239310Sdim
45239310Sdim		struct {
46239310Sdim			short sdata;
47239310Sdim			short *rdata;
48239310Sdim		} process;
49239310Sdim	} data;
50239310Sdim};
51243830Sdim
52243830Sdim/*
53239310Sdim * SMBus spec 2.0 says block transfers may be at most 32 bytes.
54239310Sdim */
55239310Sdim#define SMB_MAXBLOCKSIZE	32
56243830Sdim
57243830Sdim#define SMB_QUICK_WRITE	_IOW('i', 1, struct smbcmd)
58239310Sdim#define SMB_QUICK_READ	_IOW('i', 2, struct smbcmd)
59239310Sdim#define SMB_SENDB	_IOW('i', 3, struct smbcmd)
60239310Sdim#define SMB_RECVB	_IOWR('i', 4, struct smbcmd)
61239310Sdim#define SMB_WRITEB	_IOW('i', 5, struct smbcmd)
62239310Sdim#define SMB_WRITEW	_IOW('i', 6, struct smbcmd)
63239310Sdim#define SMB_READB	_IOW('i', 7, struct smbcmd)
64239310Sdim#define SMB_READW	_IOW('i', 8, struct smbcmd)
65239310Sdim#define SMB_PCALL	_IOW('i', 9, struct smbcmd)
66239310Sdim#define SMB_BWRITE	_IOW('i', 10, struct smbcmd)
67239310Sdim#define SMB_OLD_BREAD	_IOW('i', 11, struct smbcmd)
68239310Sdim#define SMB_BREAD	_IOWR('i', 11, struct smbcmd)
69239310Sdim
70239310Sdim#endif
71239310Sdim